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authorRajithaY <rajithax.yerrumsetty@intel.com>2017-04-25 03:31:15 -0700
committerRajitha Yerrumchetty <rajithax.yerrumsetty@intel.com>2017-05-22 06:48:08 +0000
commitbb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch)
treeca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/net
parenta14b48d18a9ed03ec191cf16b162206998a895ce (diff)
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to kvmfornfv repo and make use of the updated latest qemu for the execution of all testcase Change-Id: I1280af507a857675c7f81d30c95255635667bdd7 Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/net')
-rw-r--r--qemu/net/Makefile.objs18
-rw-r--r--qemu/net/checksum.c122
-rw-r--r--qemu/net/clients.h65
-rw-r--r--qemu/net/dump.c364
-rw-r--r--qemu/net/eth.c218
-rw-r--r--qemu/net/filter-buffer.c212
-rw-r--r--qemu/net/filter-mirror.c427
-rw-r--r--qemu/net/filter.c275
-rw-r--r--qemu/net/hub.c355
-rw-r--r--qemu/net/hub.h26
-rw-r--r--qemu/net/l2tpv3.c744
-rw-r--r--qemu/net/net.c1575
-rw-r--r--qemu/net/netmap.c448
-rw-r--r--qemu/net/queue.c279
-rw-r--r--qemu/net/slirp.c902
-rw-r--r--qemu/net/socket.c772
-rw-r--r--qemu/net/tap-aix.c88
-rw-r--r--qemu/net/tap-bsd.c257
-rw-r--r--qemu/net/tap-haiku.c87
-rw-r--r--qemu/net/tap-linux.c316
-rw-r--r--qemu/net/tap-linux.h53
-rw-r--r--qemu/net/tap-solaris.c256
-rw-r--r--qemu/net/tap-win32.c820
-rw-r--r--qemu/net/tap.c931
-rw-r--r--qemu/net/tap_int.h49
-rw-r--r--qemu/net/util.c59
-rw-r--r--qemu/net/util.h31
-rw-r--r--qemu/net/vde.c128
-rw-r--r--qemu/net/vhost-user.c331
29 files changed, 0 insertions, 10208 deletions
diff --git a/qemu/net/Makefile.objs b/qemu/net/Makefile.objs
deleted file mode 100644
index b7c22fddb..000000000
--- a/qemu/net/Makefile.objs
+++ /dev/null
@@ -1,18 +0,0 @@
-common-obj-y = net.o queue.o checksum.o util.o hub.o
-common-obj-y += socket.o
-common-obj-y += dump.o
-common-obj-y += eth.o
-common-obj-$(CONFIG_L2TPV3) += l2tpv3.o
-common-obj-$(CONFIG_POSIX) += tap.o vhost-user.o
-common-obj-$(CONFIG_LINUX) += tap-linux.o
-common-obj-$(CONFIG_WIN32) += tap-win32.o
-common-obj-$(CONFIG_BSD) += tap-bsd.o
-common-obj-$(CONFIG_SOLARIS) += tap-solaris.o
-common-obj-$(CONFIG_AIX) += tap-aix.o
-common-obj-$(CONFIG_HAIKU) += tap-haiku.o
-common-obj-$(CONFIG_SLIRP) += slirp.o
-common-obj-$(CONFIG_VDE) += vde.o
-common-obj-$(CONFIG_NETMAP) += netmap.o
-common-obj-y += filter.o
-common-obj-y += filter-buffer.o
-common-obj-y += filter-mirror.o
diff --git a/qemu/net/checksum.c b/qemu/net/checksum.c
deleted file mode 100644
index d0fa424cc..000000000
--- a/qemu/net/checksum.c
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
- * IP checksumming functions.
- * (c) 2008 Gerd Hoffmann <kraxel@redhat.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; under version 2 or later of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "qemu/osdep.h"
-#include "qemu-common.h"
-#include "net/checksum.h"
-
-#define PROTO_TCP 6
-#define PROTO_UDP 17
-
-uint32_t net_checksum_add_cont(int len, uint8_t *buf, int seq)
-{
- uint32_t sum = 0;
- int i;
-
- for (i = seq; i < seq + len; i++) {
- if (i & 1) {
- sum += (uint32_t)buf[i - seq];
- } else {
- sum += (uint32_t)buf[i - seq] << 8;
- }
- }
- return sum;
-}
-
-uint16_t net_checksum_finish(uint32_t sum)
-{
- while (sum>>16)
- sum = (sum & 0xFFFF)+(sum >> 16);
- return ~sum;
-}
-
-uint16_t net_checksum_tcpudp(uint16_t length, uint16_t proto,
- uint8_t *addrs, uint8_t *buf)
-{
- uint32_t sum = 0;
-
- sum += net_checksum_add(length, buf); // payload
- sum += net_checksum_add(8, addrs); // src + dst address
- sum += proto + length; // protocol & length
- return net_checksum_finish(sum);
-}
-
-void net_checksum_calculate(uint8_t *data, int length)
-{
- int hlen, plen, proto, csum_offset;
- uint16_t csum;
-
- /* Ensure data has complete L2 & L3 headers. */
- if (length < 14 + 20) {
- return;
- }
-
- if ((data[14] & 0xf0) != 0x40)
- return; /* not IPv4 */
- hlen = (data[14] & 0x0f) * 4;
- plen = (data[16] << 8 | data[17]) - hlen;
- proto = data[23];
-
- switch (proto) {
- case PROTO_TCP:
- csum_offset = 16;
- break;
- case PROTO_UDP:
- csum_offset = 6;
- break;
- default:
- return;
- }
-
- if (plen < csum_offset + 2 || 14 + hlen + plen > length) {
- return;
- }
-
- data[14+hlen+csum_offset] = 0;
- data[14+hlen+csum_offset+1] = 0;
- csum = net_checksum_tcpudp(plen, proto, data+14+12, data+14+hlen);
- data[14+hlen+csum_offset] = csum >> 8;
- data[14+hlen+csum_offset+1] = csum & 0xff;
-}
-
-uint32_t
-net_checksum_add_iov(const struct iovec *iov, const unsigned int iov_cnt,
- uint32_t iov_off, uint32_t size)
-{
- size_t iovec_off, buf_off;
- unsigned int i;
- uint32_t res = 0;
- uint32_t seq = 0;
-
- iovec_off = 0;
- buf_off = 0;
- for (i = 0; i < iov_cnt && size; i++) {
- if (iov_off < (iovec_off + iov[i].iov_len)) {
- size_t len = MIN((iovec_off + iov[i].iov_len) - iov_off , size);
- void *chunk_buf = iov[i].iov_base + (iov_off - iovec_off);
-
- res += net_checksum_add_cont(len, chunk_buf, seq);
- seq += len;
-
- buf_off += len;
- iov_off += len;
- size -= len;
- }
- iovec_off += iov[i].iov_len;
- }
- return res;
-}
diff --git a/qemu/net/clients.h b/qemu/net/clients.h
deleted file mode 100644
index d47530e82..000000000
--- a/qemu/net/clients.h
+++ /dev/null
@@ -1,65 +0,0 @@
-/*
- * QEMU System Emulator
- *
- * Copyright (c) 2003-2008 Fabrice Bellard
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-#ifndef QEMU_NET_CLIENTS_H
-#define QEMU_NET_CLIENTS_H
-
-#include "net/net.h"
-#include "qapi-types.h"
-
-int net_init_dump(const NetClientOptions *opts, const char *name,
- NetClientState *peer, Error **errp);
-
-#ifdef CONFIG_SLIRP
-int net_init_slirp(const NetClientOptions *opts, const char *name,
- NetClientState *peer, Error **errp);
-#endif
-
-int net_init_hubport(const NetClientOptions *opts, const char *name,
- NetClientState *peer, Error **errp);
-
-int net_init_socket(const NetClientOptions *opts, const char *name,
- NetClientState *peer, Error **errp);
-
-int net_init_tap(const NetClientOptions *opts, const char *name,
- NetClientState *peer, Error **errp);
-
-int net_init_bridge(const NetClientOptions *opts, const char *name,
- NetClientState *peer, Error **errp);
-
-int net_init_l2tpv3(const NetClientOptions *opts, const char *name,
- NetClientState *peer, Error **errp);
-#ifdef CONFIG_VDE
-int net_init_vde(const NetClientOptions *opts, const char *name,
- NetClientState *peer, Error **errp);
-#endif
-
-#ifdef CONFIG_NETMAP
-int net_init_netmap(const NetClientOptions *opts, const char *name,
- NetClientState *peer, Error **errp);
-#endif
-
-int net_init_vhost_user(const NetClientOptions *opts, const char *name,
- NetClientState *peer, Error **errp);
-
-#endif /* QEMU_NET_CLIENTS_H */
diff --git a/qemu/net/dump.c b/qemu/net/dump.c
deleted file mode 100644
index 41f7673ef..000000000
--- a/qemu/net/dump.c
+++ /dev/null
@@ -1,364 +0,0 @@
-/*
- * QEMU System Emulator
- *
- * Copyright (c) 2003-2008 Fabrice Bellard
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#include "qemu/osdep.h"
-#include "clients.h"
-#include "qapi/error.h"
-#include "qemu-common.h"
-#include "qemu/error-report.h"
-#include "qemu/iov.h"
-#include "qemu/log.h"
-#include "qemu/timer.h"
-#include "qapi/visitor.h"
-#include "net/filter.h"
-
-typedef struct DumpState {
- int64_t start_ts;
- int fd;
- int pcap_caplen;
-} DumpState;
-
-#define PCAP_MAGIC 0xa1b2c3d4
-
-struct pcap_file_hdr {
- uint32_t magic;
- uint16_t version_major;
- uint16_t version_minor;
- int32_t thiszone;
- uint32_t sigfigs;
- uint32_t snaplen;
- uint32_t linktype;
-};
-
-struct pcap_sf_pkthdr {
- struct {
- int32_t tv_sec;
- int32_t tv_usec;
- } ts;
- uint32_t caplen;
- uint32_t len;
-};
-
-static ssize_t dump_receive_iov(DumpState *s, const struct iovec *iov, int cnt)
-{
- struct pcap_sf_pkthdr hdr;
- int64_t ts;
- int caplen;
- size_t size = iov_size(iov, cnt);
- struct iovec dumpiov[cnt + 1];
-
- /* Early return in case of previous error. */
- if (s->fd < 0) {
- return size;
- }
-
- ts = qemu_clock_get_us(QEMU_CLOCK_VIRTUAL);
- caplen = size > s->pcap_caplen ? s->pcap_caplen : size;
-
- hdr.ts.tv_sec = ts / 1000000 + s->start_ts;
- hdr.ts.tv_usec = ts % 1000000;
- hdr.caplen = caplen;
- hdr.len = size;
-
- dumpiov[0].iov_base = &hdr;
- dumpiov[0].iov_len = sizeof(hdr);
- cnt = iov_copy(&dumpiov[1], cnt, iov, cnt, 0, caplen);
-
- if (writev(s->fd, dumpiov, cnt + 1) != sizeof(hdr) + caplen) {
- error_report("network dump write error - stopping dump");
- close(s->fd);
- s->fd = -1;
- }
-
- return size;
-}
-
-static void dump_cleanup(DumpState *s)
-{
- close(s->fd);
- s->fd = -1;
-}
-
-static int net_dump_state_init(DumpState *s, const char *filename,
- int len, Error **errp)
-{
- struct pcap_file_hdr hdr;
- struct tm tm;
- int fd;
-
- fd = open(filename, O_CREAT | O_TRUNC | O_WRONLY | O_BINARY, 0644);
- if (fd < 0) {
- error_setg_errno(errp, errno, "-net dump: can't open %s", filename);
- return -1;
- }
-
- hdr.magic = PCAP_MAGIC;
- hdr.version_major = 2;
- hdr.version_minor = 4;
- hdr.thiszone = 0;
- hdr.sigfigs = 0;
- hdr.snaplen = len;
- hdr.linktype = 1;
-
- if (write(fd, &hdr, sizeof(hdr)) < sizeof(hdr)) {
- error_setg_errno(errp, errno, "-net dump write error");
- close(fd);
- return -1;
- }
-
- s->fd = fd;
- s->pcap_caplen = len;
-
- qemu_get_timedate(&tm, 0);
- s->start_ts = mktime(&tm);
-
- return 0;
-}
-
-/* Dumping via VLAN netclient */
-
-struct DumpNetClient {
- NetClientState nc;
- DumpState ds;
-};
-typedef struct DumpNetClient DumpNetClient;
-
-static ssize_t dumpclient_receive(NetClientState *nc, const uint8_t *buf,
- size_t size)
-{
- DumpNetClient *dc = DO_UPCAST(DumpNetClient, nc, nc);
- struct iovec iov = {
- .iov_base = (void *)buf,
- .iov_len = size
- };
-
- return dump_receive_iov(&dc->ds, &iov, 1);
-}
-
-static ssize_t dumpclient_receive_iov(NetClientState *nc,
- const struct iovec *iov, int cnt)
-{
- DumpNetClient *dc = DO_UPCAST(DumpNetClient, nc, nc);
-
- return dump_receive_iov(&dc->ds, iov, cnt);
-}
-
-static void dumpclient_cleanup(NetClientState *nc)
-{
- DumpNetClient *dc = DO_UPCAST(DumpNetClient, nc, nc);
-
- dump_cleanup(&dc->ds);
-}
-
-static NetClientInfo net_dump_info = {
- .type = NET_CLIENT_OPTIONS_KIND_DUMP,
- .size = sizeof(DumpNetClient),
- .receive = dumpclient_receive,
- .receive_iov = dumpclient_receive_iov,
- .cleanup = dumpclient_cleanup,
-};
-
-int net_init_dump(const NetClientOptions *opts, const char *name,
- NetClientState *peer, Error **errp)
-{
- int len, rc;
- const char *file;
- char def_file[128];
- const NetdevDumpOptions *dump;
- NetClientState *nc;
- DumpNetClient *dnc;
-
- assert(opts->type == NET_CLIENT_OPTIONS_KIND_DUMP);
- dump = opts->u.dump.data;
-
- assert(peer);
-
- if (dump->has_file) {
- file = dump->file;
- } else {
- int id;
- int ret;
-
- ret = net_hub_id_for_client(peer, &id);
- assert(ret == 0); /* peer must be on a hub */
-
- snprintf(def_file, sizeof(def_file), "qemu-vlan%d.pcap", id);
- file = def_file;
- }
-
- if (dump->has_len) {
- if (dump->len > INT_MAX) {
- error_setg(errp, "invalid length: %"PRIu64, dump->len);
- return -1;
- }
- len = dump->len;
- } else {
- len = 65536;
- }
-
- nc = qemu_new_net_client(&net_dump_info, peer, "dump", name);
- snprintf(nc->info_str, sizeof(nc->info_str),
- "dump to %s (len=%d)", file, len);
-
- dnc = DO_UPCAST(DumpNetClient, nc, nc);
- rc = net_dump_state_init(&dnc->ds, file, len, errp);
- if (rc) {
- qemu_del_net_client(nc);
- }
- return rc;
-}
-
-/* Dumping via filter */
-
-#define TYPE_FILTER_DUMP "filter-dump"
-
-#define FILTER_DUMP(obj) \
- OBJECT_CHECK(NetFilterDumpState, (obj), TYPE_FILTER_DUMP)
-
-struct NetFilterDumpState {
- NetFilterState nfs;
- DumpState ds;
- char *filename;
- uint32_t maxlen;
-};
-typedef struct NetFilterDumpState NetFilterDumpState;
-
-static ssize_t filter_dump_receive_iov(NetFilterState *nf, NetClientState *sndr,
- unsigned flags, const struct iovec *iov,
- int iovcnt, NetPacketSent *sent_cb)
-{
- NetFilterDumpState *nfds = FILTER_DUMP(nf);
-
- dump_receive_iov(&nfds->ds, iov, iovcnt);
- return 0;
-}
-
-static void filter_dump_cleanup(NetFilterState *nf)
-{
- NetFilterDumpState *nfds = FILTER_DUMP(nf);
-
- dump_cleanup(&nfds->ds);
-}
-
-static void filter_dump_setup(NetFilterState *nf, Error **errp)
-{
- NetFilterDumpState *nfds = FILTER_DUMP(nf);
-
- if (!nfds->filename) {
- error_setg(errp, "dump filter needs 'file' property set!");
- return;
- }
-
- net_dump_state_init(&nfds->ds, nfds->filename, nfds->maxlen, errp);
-}
-
-static void filter_dump_get_maxlen(Object *obj, Visitor *v, const char *name,
- void *opaque, Error **errp)
-{
- NetFilterDumpState *nfds = FILTER_DUMP(obj);
- uint32_t value = nfds->maxlen;
-
- visit_type_uint32(v, name, &value, errp);
-}
-
-static void filter_dump_set_maxlen(Object *obj, Visitor *v, const char *name,
- void *opaque, Error **errp)
-{
- NetFilterDumpState *nfds = FILTER_DUMP(obj);
- Error *local_err = NULL;
- uint32_t value;
-
- visit_type_uint32(v, name, &value, &local_err);
- if (local_err) {
- goto out;
- }
- if (value == 0) {
- error_setg(&local_err, "Property '%s.%s' doesn't take value '%u'",
- object_get_typename(obj), name, value);
- goto out;
- }
- nfds->maxlen = value;
-
-out:
- error_propagate(errp, local_err);
-}
-
-static char *file_dump_get_filename(Object *obj, Error **errp)
-{
- NetFilterDumpState *nfds = FILTER_DUMP(obj);
-
- return g_strdup(nfds->filename);
-}
-
-static void file_dump_set_filename(Object *obj, const char *value, Error **errp)
-{
- NetFilterDumpState *nfds = FILTER_DUMP(obj);
-
- g_free(nfds->filename);
- nfds->filename = g_strdup(value);
-}
-
-static void filter_dump_instance_init(Object *obj)
-{
- NetFilterDumpState *nfds = FILTER_DUMP(obj);
-
- nfds->maxlen = 65536;
-
- object_property_add(obj, "maxlen", "int", filter_dump_get_maxlen,
- filter_dump_set_maxlen, NULL, NULL, NULL);
- object_property_add_str(obj, "file", file_dump_get_filename,
- file_dump_set_filename, NULL);
-}
-
-static void filter_dump_instance_finalize(Object *obj)
-{
- NetFilterDumpState *nfds = FILTER_DUMP(obj);
-
- g_free(nfds->filename);
-}
-
-static void filter_dump_class_init(ObjectClass *oc, void *data)
-{
- NetFilterClass *nfc = NETFILTER_CLASS(oc);
-
- nfc->setup = filter_dump_setup;
- nfc->cleanup = filter_dump_cleanup;
- nfc->receive_iov = filter_dump_receive_iov;
-}
-
-static const TypeInfo filter_dump_info = {
- .name = TYPE_FILTER_DUMP,
- .parent = TYPE_NETFILTER,
- .class_init = filter_dump_class_init,
- .instance_init = filter_dump_instance_init,
- .instance_finalize = filter_dump_instance_finalize,
- .instance_size = sizeof(NetFilterDumpState),
-};
-
-static void filter_dump_register_types(void)
-{
- type_register_static(&filter_dump_info);
-}
-
-type_init(filter_dump_register_types);
diff --git a/qemu/net/eth.c b/qemu/net/eth.c
deleted file mode 100644
index 7e32d274c..000000000
--- a/qemu/net/eth.c
+++ /dev/null
@@ -1,218 +0,0 @@
-/*
- * QEMU network structures definitions and helper functions
- *
- * Copyright (c) 2012 Ravello Systems LTD (http://ravellosystems.com)
- *
- * Developed by Daynix Computing LTD (http://www.daynix.com)
- *
- * Authors:
- * Dmitry Fleytman <dmitry@daynix.com>
- * Tamir Shomer <tamirs@daynix.com>
- * Yan Vugenfirer <yan@daynix.com>
- *
- * This work is licensed under the terms of the GNU GPL, version 2 or later.
- * See the COPYING file in the top-level directory.
- *
- */
-
-#include "qemu/osdep.h"
-#include "net/eth.h"
-#include "net/checksum.h"
-#include "qemu-common.h"
-#include "net/tap.h"
-
-void eth_setup_vlan_headers(struct eth_header *ehdr, uint16_t vlan_tag,
- bool *is_new)
-{
- struct vlan_header *vhdr = PKT_GET_VLAN_HDR(ehdr);
-
- switch (be16_to_cpu(ehdr->h_proto)) {
- case ETH_P_VLAN:
- case ETH_P_DVLAN:
- /* vlan hdr exists */
- *is_new = false;
- break;
-
- default:
- /* No VLAN header, put a new one */
- vhdr->h_proto = ehdr->h_proto;
- ehdr->h_proto = cpu_to_be16(ETH_P_VLAN);
- *is_new = true;
- break;
- }
- vhdr->h_tci = cpu_to_be16(vlan_tag);
-}
-
-uint8_t
-eth_get_gso_type(uint16_t l3_proto, uint8_t *l3_hdr, uint8_t l4proto)
-{
- uint8_t ecn_state = 0;
-
- if (l3_proto == ETH_P_IP) {
- struct ip_header *iphdr = (struct ip_header *) l3_hdr;
-
- if (IP_HEADER_VERSION(iphdr) == IP_HEADER_VERSION_4) {
- if (IPTOS_ECN(iphdr->ip_tos) == IPTOS_ECN_CE) {
- ecn_state = VIRTIO_NET_HDR_GSO_ECN;
- }
- if (l4proto == IP_PROTO_TCP) {
- return VIRTIO_NET_HDR_GSO_TCPV4 | ecn_state;
- } else if (l4proto == IP_PROTO_UDP) {
- return VIRTIO_NET_HDR_GSO_UDP | ecn_state;
- }
- }
- } else if (l3_proto == ETH_P_IPV6) {
- struct ip6_header *ip6hdr = (struct ip6_header *) l3_hdr;
-
- if (IP6_ECN(ip6hdr->ip6_ecn_acc) == IP6_ECN_CE) {
- ecn_state = VIRTIO_NET_HDR_GSO_ECN;
- }
-
- if (l4proto == IP_PROTO_TCP) {
- return VIRTIO_NET_HDR_GSO_TCPV6 | ecn_state;
- }
- }
-
- /* Unsupported offload */
- g_assert_not_reached();
-
- return VIRTIO_NET_HDR_GSO_NONE | ecn_state;
-}
-
-void eth_get_protocols(const uint8_t *headers,
- uint32_t hdr_length,
- bool *isip4, bool *isip6,
- bool *isudp, bool *istcp)
-{
- int proto;
- size_t l2hdr_len = eth_get_l2_hdr_length(headers);
- assert(hdr_length >= eth_get_l2_hdr_length(headers));
- *isip4 = *isip6 = *isudp = *istcp = false;
-
- proto = eth_get_l3_proto(headers, l2hdr_len);
- if (proto == ETH_P_IP) {
- *isip4 = true;
-
- struct ip_header *iphdr;
-
- assert(hdr_length >=
- eth_get_l2_hdr_length(headers) + sizeof(struct ip_header));
-
- iphdr = PKT_GET_IP_HDR(headers);
-
- if (IP_HEADER_VERSION(iphdr) == IP_HEADER_VERSION_4) {
- if (iphdr->ip_p == IP_PROTO_TCP) {
- *istcp = true;
- } else if (iphdr->ip_p == IP_PROTO_UDP) {
- *isudp = true;
- }
- }
- } else if (proto == ETH_P_IPV6) {
- uint8_t l4proto;
- size_t full_ip6hdr_len;
-
- struct iovec hdr_vec;
- hdr_vec.iov_base = (void *) headers;
- hdr_vec.iov_len = hdr_length;
-
- *isip6 = true;
- if (eth_parse_ipv6_hdr(&hdr_vec, 1, l2hdr_len,
- &l4proto, &full_ip6hdr_len)) {
- if (l4proto == IP_PROTO_TCP) {
- *istcp = true;
- } else if (l4proto == IP_PROTO_UDP) {
- *isudp = true;
- }
- }
- }
-}
-
-void
-eth_setup_ip4_fragmentation(const void *l2hdr, size_t l2hdr_len,
- void *l3hdr, size_t l3hdr_len,
- size_t l3payload_len,
- size_t frag_offset, bool more_frags)
-{
- if (eth_get_l3_proto(l2hdr, l2hdr_len) == ETH_P_IP) {
- uint16_t orig_flags;
- struct ip_header *iphdr = (struct ip_header *) l3hdr;
- uint16_t frag_off_units = frag_offset / IP_FRAG_UNIT_SIZE;
- uint16_t new_ip_off;
-
- assert(frag_offset % IP_FRAG_UNIT_SIZE == 0);
- assert((frag_off_units & ~IP_OFFMASK) == 0);
-
- orig_flags = be16_to_cpu(iphdr->ip_off) & ~(IP_OFFMASK|IP_MF);
- new_ip_off = frag_off_units | orig_flags | (more_frags ? IP_MF : 0);
- iphdr->ip_off = cpu_to_be16(new_ip_off);
- iphdr->ip_len = cpu_to_be16(l3payload_len + l3hdr_len);
- }
-}
-
-void
-eth_fix_ip4_checksum(void *l3hdr, size_t l3hdr_len)
-{
- struct ip_header *iphdr = (struct ip_header *) l3hdr;
- iphdr->ip_sum = 0;
- iphdr->ip_sum = cpu_to_be16(net_raw_checksum(l3hdr, l3hdr_len));
-}
-
-uint32_t
-eth_calc_pseudo_hdr_csum(struct ip_header *iphdr, uint16_t csl)
-{
- struct ip_pseudo_header ipph;
- ipph.ip_src = iphdr->ip_src;
- ipph.ip_dst = iphdr->ip_dst;
- ipph.ip_payload = cpu_to_be16(csl);
- ipph.ip_proto = iphdr->ip_p;
- ipph.zeros = 0;
- return net_checksum_add(sizeof(ipph), (uint8_t *) &ipph);
-}
-
-static bool
-eth_is_ip6_extension_header_type(uint8_t hdr_type)
-{
- switch (hdr_type) {
- case IP6_HOP_BY_HOP:
- case IP6_ROUTING:
- case IP6_FRAGMENT:
- case IP6_ESP:
- case IP6_AUTHENTICATION:
- case IP6_DESTINATON:
- case IP6_MOBILITY:
- return true;
- default:
- return false;
- }
-}
-
-bool eth_parse_ipv6_hdr(struct iovec *pkt, int pkt_frags,
- size_t ip6hdr_off, uint8_t *l4proto,
- size_t *full_hdr_len)
-{
- struct ip6_header ip6_hdr;
- struct ip6_ext_hdr ext_hdr;
- size_t bytes_read;
-
- bytes_read = iov_to_buf(pkt, pkt_frags, ip6hdr_off,
- &ip6_hdr, sizeof(ip6_hdr));
- if (bytes_read < sizeof(ip6_hdr)) {
- return false;
- }
-
- *full_hdr_len = sizeof(struct ip6_header);
-
- if (!eth_is_ip6_extension_header_type(ip6_hdr.ip6_nxt)) {
- *l4proto = ip6_hdr.ip6_nxt;
- return true;
- }
-
- do {
- bytes_read = iov_to_buf(pkt, pkt_frags, ip6hdr_off + *full_hdr_len,
- &ext_hdr, sizeof(ext_hdr));
- *full_hdr_len += (ext_hdr.ip6r_len + 1) * IP6_EXT_GRANULARITY;
- } while (eth_is_ip6_extension_header_type(ext_hdr.ip6r_nxt));
-
- *l4proto = ext_hdr.ip6r_nxt;
- return true;
-}
diff --git a/qemu/net/filter-buffer.c b/qemu/net/filter-buffer.c
deleted file mode 100644
index cc6bd9444..000000000
--- a/qemu/net/filter-buffer.c
+++ /dev/null
@@ -1,212 +0,0 @@
-/*
- * Copyright (c) 2015 FUJITSU LIMITED
- * Author: Yang Hongyang <yanghy@cn.fujitsu.com>
- *
- * This work is licensed under the terms of the GNU GPL, version 2 or
- * later. See the COPYING file in the top-level directory.
- */
-
-#include "qemu/osdep.h"
-#include "net/filter.h"
-#include "net/queue.h"
-#include "qapi/error.h"
-#include "qemu-common.h"
-#include "qemu/timer.h"
-#include "qemu/iov.h"
-#include "qapi/qmp/qerror.h"
-#include "qapi-visit.h"
-#include "qom/object.h"
-
-#define TYPE_FILTER_BUFFER "filter-buffer"
-
-#define FILTER_BUFFER(obj) \
- OBJECT_CHECK(FilterBufferState, (obj), TYPE_FILTER_BUFFER)
-
-typedef struct FilterBufferState {
- NetFilterState parent_obj;
-
- NetQueue *incoming_queue;
- uint32_t interval;
- QEMUTimer release_timer;
-} FilterBufferState;
-
-static void filter_buffer_flush(NetFilterState *nf)
-{
- FilterBufferState *s = FILTER_BUFFER(nf);
-
- if (!qemu_net_queue_flush(s->incoming_queue)) {
- /* Unable to empty the queue, purge remaining packets */
- qemu_net_queue_purge(s->incoming_queue, nf->netdev);
- }
-}
-
-static void filter_buffer_release_timer(void *opaque)
-{
- NetFilterState *nf = opaque;
- FilterBufferState *s = FILTER_BUFFER(nf);
-
- /*
- * Note: filter_buffer_flush() drops packets that can't be sent
- * TODO: We should leave them queued. But currently there's no way
- * for the next filter or receiver to notify us that it can receive
- * more packets.
- */
- filter_buffer_flush(nf);
- /* Timer rearmed to fire again in s->interval microseconds. */
- timer_mod(&s->release_timer,
- qemu_clock_get_us(QEMU_CLOCK_VIRTUAL) + s->interval);
-}
-
-/* filter APIs */
-static ssize_t filter_buffer_receive_iov(NetFilterState *nf,
- NetClientState *sender,
- unsigned flags,
- const struct iovec *iov,
- int iovcnt,
- NetPacketSent *sent_cb)
-{
- FilterBufferState *s = FILTER_BUFFER(nf);
-
- /*
- * We return size when buffer a packet, the sender will take it as
- * a already sent packet, so sent_cb should not be called later.
- *
- * FIXME: Even if the guest can't receive packets for some reasons,
- * the filter can still accept packets until its internal queue is full.
- * For example:
- * For some reason, receiver could not receive more packets
- * (.can_receive() returns zero). Without a filter, at most one packet
- * will be queued in incoming queue and sender's poll will be disabled
- * unit its sent_cb() was called. With a filter, it will keep receiving
- * the packets without caring about the receiver. This is suboptimal.
- * May need more thoughts (e.g keeping sent_cb).
- */
- qemu_net_queue_append_iov(s->incoming_queue, sender, flags,
- iov, iovcnt, NULL);
- return iov_size(iov, iovcnt);
-}
-
-static void filter_buffer_cleanup(NetFilterState *nf)
-{
- FilterBufferState *s = FILTER_BUFFER(nf);
-
- if (s->interval) {
- timer_del(&s->release_timer);
- }
-
- /* flush packets */
- if (s->incoming_queue) {
- filter_buffer_flush(nf);
- g_free(s->incoming_queue);
- }
-}
-
-static void filter_buffer_setup_timer(NetFilterState *nf)
-{
- FilterBufferState *s = FILTER_BUFFER(nf);
-
- if (s->interval) {
- timer_init_us(&s->release_timer, QEMU_CLOCK_VIRTUAL,
- filter_buffer_release_timer, nf);
- /* Timer armed to fire in s->interval microseconds. */
- timer_mod(&s->release_timer,
- qemu_clock_get_us(QEMU_CLOCK_VIRTUAL) + s->interval);
- }
-}
-
-static void filter_buffer_setup(NetFilterState *nf, Error **errp)
-{
- FilterBufferState *s = FILTER_BUFFER(nf);
-
- /*
- * We may want to accept zero interval when VM FT solutions like MC
- * or COLO use this filter to release packets on demand.
- */
- if (!s->interval) {
- error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "interval",
- "a non-zero interval");
- return;
- }
-
- s->incoming_queue = qemu_new_net_queue(qemu_netfilter_pass_to_next, nf);
- filter_buffer_setup_timer(nf);
-}
-
-static void filter_buffer_status_changed(NetFilterState *nf, Error **errp)
-{
- FilterBufferState *s = FILTER_BUFFER(nf);
-
- if (!nf->on) {
- if (s->interval) {
- timer_del(&s->release_timer);
- }
- filter_buffer_flush(nf);
- } else {
- filter_buffer_setup_timer(nf);
- }
-}
-
-static void filter_buffer_class_init(ObjectClass *oc, void *data)
-{
- NetFilterClass *nfc = NETFILTER_CLASS(oc);
-
- nfc->setup = filter_buffer_setup;
- nfc->cleanup = filter_buffer_cleanup;
- nfc->receive_iov = filter_buffer_receive_iov;
- nfc->status_changed = filter_buffer_status_changed;
-}
-
-static void filter_buffer_get_interval(Object *obj, Visitor *v,
- const char *name, void *opaque,
- Error **errp)
-{
- FilterBufferState *s = FILTER_BUFFER(obj);
- uint32_t value = s->interval;
-
- visit_type_uint32(v, name, &value, errp);
-}
-
-static void filter_buffer_set_interval(Object *obj, Visitor *v,
- const char *name, void *opaque,
- Error **errp)
-{
- FilterBufferState *s = FILTER_BUFFER(obj);
- Error *local_err = NULL;
- uint32_t value;
-
- visit_type_uint32(v, name, &value, &local_err);
- if (local_err) {
- goto out;
- }
- if (!value) {
- error_setg(&local_err, "Property '%s.%s' requires a positive value",
- object_get_typename(obj), name);
- goto out;
- }
- s->interval = value;
-
-out:
- error_propagate(errp, local_err);
-}
-
-static void filter_buffer_init(Object *obj)
-{
- object_property_add(obj, "interval", "int",
- filter_buffer_get_interval,
- filter_buffer_set_interval, NULL, NULL, NULL);
-}
-
-static const TypeInfo filter_buffer_info = {
- .name = TYPE_FILTER_BUFFER,
- .parent = TYPE_NETFILTER,
- .class_init = filter_buffer_class_init,
- .instance_init = filter_buffer_init,
- .instance_size = sizeof(FilterBufferState),
-};
-
-static void register_types(void)
-{
- type_register_static(&filter_buffer_info);
-}
-
-type_init(register_types);
diff --git a/qemu/net/filter-mirror.c b/qemu/net/filter-mirror.c
deleted file mode 100644
index c0c4dc60b..000000000
--- a/qemu/net/filter-mirror.c
+++ /dev/null
@@ -1,427 +0,0 @@
-/*
- * Copyright (c) 2016 HUAWEI TECHNOLOGIES CO., LTD.
- * Copyright (c) 2016 FUJITSU LIMITED
- * Copyright (c) 2016 Intel Corporation
- *
- * Author: Zhang Chen <zhangchen.fnst@cn.fujitsu.com>
- *
- * This work is licensed under the terms of the GNU GPL, version 2 or
- * later. See the COPYING file in the top-level directory.
- */
-
-#include "qemu/osdep.h"
-#include "net/filter.h"
-#include "net/net.h"
-#include "qemu-common.h"
-#include "qapi/error.h"
-#include "qapi/qmp/qerror.h"
-#include "qapi-visit.h"
-#include "qom/object.h"
-#include "qemu/main-loop.h"
-#include "qemu/error-report.h"
-#include "trace.h"
-#include "sysemu/char.h"
-#include "qemu/iov.h"
-#include "qemu/sockets.h"
-
-#define FILTER_MIRROR(obj) \
- OBJECT_CHECK(MirrorState, (obj), TYPE_FILTER_MIRROR)
-
-#define FILTER_REDIRECTOR(obj) \
- OBJECT_CHECK(MirrorState, (obj), TYPE_FILTER_REDIRECTOR)
-
-#define TYPE_FILTER_MIRROR "filter-mirror"
-#define TYPE_FILTER_REDIRECTOR "filter-redirector"
-#define REDIRECTOR_MAX_LEN NET_BUFSIZE
-
-typedef struct MirrorState {
- NetFilterState parent_obj;
- char *indev;
- char *outdev;
- CharDriverState *chr_in;
- CharDriverState *chr_out;
- int state; /* 0 = getting length, 1 = getting data */
- unsigned int index;
- unsigned int packet_len;
- uint8_t buf[REDIRECTOR_MAX_LEN];
-} MirrorState;
-
-static int filter_mirror_send(CharDriverState *chr_out,
- const struct iovec *iov,
- int iovcnt)
-{
- int ret = 0;
- ssize_t size = 0;
- uint32_t len = 0;
- char *buf;
-
- size = iov_size(iov, iovcnt);
- if (!size) {
- return 0;
- }
-
- len = htonl(size);
- ret = qemu_chr_fe_write_all(chr_out, (uint8_t *)&len, sizeof(len));
- if (ret != sizeof(len)) {
- goto err;
- }
-
- buf = g_malloc(size);
- iov_to_buf(iov, iovcnt, 0, buf, size);
- ret = qemu_chr_fe_write_all(chr_out, (uint8_t *)buf, size);
- g_free(buf);
- if (ret != size) {
- goto err;
- }
-
- return 0;
-
-err:
- return ret < 0 ? ret : -EIO;
-}
-
-static void
-redirector_to_filter(NetFilterState *nf, const uint8_t *buf, int len)
-{
- struct iovec iov = {
- .iov_base = (void *)buf,
- .iov_len = len,
- };
-
- if (nf->direction == NET_FILTER_DIRECTION_ALL ||
- nf->direction == NET_FILTER_DIRECTION_TX) {
- qemu_netfilter_pass_to_next(nf->netdev, 0, &iov, 1, nf);
- }
-
- if (nf->direction == NET_FILTER_DIRECTION_ALL ||
- nf->direction == NET_FILTER_DIRECTION_RX) {
- qemu_netfilter_pass_to_next(nf->netdev->peer, 0, &iov, 1, nf);
- }
-}
-
-static int redirector_chr_can_read(void *opaque)
-{
- return REDIRECTOR_MAX_LEN;
-}
-
-static void redirector_chr_read(void *opaque, const uint8_t *buf, int size)
-{
- NetFilterState *nf = opaque;
- MirrorState *s = FILTER_REDIRECTOR(nf);
- unsigned int l;
-
- while (size > 0) {
- /* reassemble a packet from the network */
- switch (s->state) { /* 0 = getting length, 1 = getting data */
- case 0:
- l = 4 - s->index;
- if (l > size) {
- l = size;
- }
- memcpy(s->buf + s->index, buf, l);
- buf += l;
- size -= l;
- s->index += l;
- if (s->index == 4) {
- /* got length */
- s->packet_len = ntohl(*(uint32_t *)s->buf);
- s->index = 0;
- s->state = 1;
- }
- break;
- case 1:
- l = s->packet_len - s->index;
- if (l > size) {
- l = size;
- }
- if (s->index + l <= sizeof(s->buf)) {
- memcpy(s->buf + s->index, buf, l);
- } else {
- error_report("serious error: oversized packet received.");
- s->index = s->state = 0;
- qemu_chr_add_handlers(s->chr_in, NULL, NULL, NULL, NULL);
- return;
- }
-
- s->index += l;
- buf += l;
- size -= l;
- if (s->index >= s->packet_len) {
- s->index = 0;
- s->state = 0;
- redirector_to_filter(nf, s->buf, s->packet_len);
- }
- break;
- }
- }
-}
-
-static void redirector_chr_event(void *opaque, int event)
-{
- NetFilterState *nf = opaque;
- MirrorState *s = FILTER_REDIRECTOR(nf);
-
- switch (event) {
- case CHR_EVENT_CLOSED:
- qemu_chr_add_handlers(s->chr_in, NULL, NULL, NULL, NULL);
- break;
- default:
- break;
- }
-}
-
-static ssize_t filter_mirror_receive_iov(NetFilterState *nf,
- NetClientState *sender,
- unsigned flags,
- const struct iovec *iov,
- int iovcnt,
- NetPacketSent *sent_cb)
-{
- MirrorState *s = FILTER_MIRROR(nf);
- int ret;
-
- ret = filter_mirror_send(s->chr_out, iov, iovcnt);
- if (ret) {
- error_report("filter_mirror_send failed(%s)", strerror(-ret));
- }
-
- /*
- * we don't hope this error interrupt the normal
- * path of net packet, so we always return zero.
- */
- return 0;
-}
-
-static ssize_t filter_redirector_receive_iov(NetFilterState *nf,
- NetClientState *sender,
- unsigned flags,
- const struct iovec *iov,
- int iovcnt,
- NetPacketSent *sent_cb)
-{
- MirrorState *s = FILTER_REDIRECTOR(nf);
- int ret;
-
- if (s->chr_out) {
- ret = filter_mirror_send(s->chr_out, iov, iovcnt);
- if (ret) {
- error_report("filter_mirror_send failed(%s)", strerror(-ret));
- }
- return iov_size(iov, iovcnt);
- } else {
- return 0;
- }
-}
-
-static void filter_mirror_cleanup(NetFilterState *nf)
-{
- MirrorState *s = FILTER_MIRROR(nf);
-
- if (s->chr_out) {
- qemu_chr_fe_release(s->chr_out);
- }
-}
-
-static void filter_redirector_cleanup(NetFilterState *nf)
-{
- MirrorState *s = FILTER_REDIRECTOR(nf);
-
- if (s->chr_in) {
- qemu_chr_add_handlers(s->chr_in, NULL, NULL, NULL, NULL);
- qemu_chr_fe_release(s->chr_in);
- }
- if (s->chr_out) {
- qemu_chr_fe_release(s->chr_out);
- }
-}
-
-static void filter_mirror_setup(NetFilterState *nf, Error **errp)
-{
- MirrorState *s = FILTER_MIRROR(nf);
-
- if (!s->outdev) {
- error_setg(errp, "filter filter mirror needs 'outdev' "
- "property set");
- return;
- }
-
- s->chr_out = qemu_chr_find(s->outdev);
- if (s->chr_out == NULL) {
- error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
- "Device '%s' not found", s->outdev);
- return;
- }
-
- if (qemu_chr_fe_claim(s->chr_out) != 0) {
- error_setg(errp, QERR_DEVICE_IN_USE, s->outdev);
- return;
- }
-}
-
-static void filter_redirector_setup(NetFilterState *nf, Error **errp)
-{
- MirrorState *s = FILTER_REDIRECTOR(nf);
-
- if (!s->indev && !s->outdev) {
- error_setg(errp, "filter redirector needs 'indev' or "
- "'outdev' at least one property set");
- return;
- } else if (s->indev && s->outdev) {
- if (!strcmp(s->indev, s->outdev)) {
- error_setg(errp, "'indev' and 'outdev' could not be same "
- "for filter redirector");
- return;
- }
- }
-
- s->state = s->index = 0;
-
- if (s->indev) {
- s->chr_in = qemu_chr_find(s->indev);
- if (s->chr_in == NULL) {
- error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
- "IN Device '%s' not found", s->indev);
- return;
- }
-
- qemu_chr_fe_claim_no_fail(s->chr_in);
- qemu_chr_add_handlers(s->chr_in, redirector_chr_can_read,
- redirector_chr_read, redirector_chr_event, nf);
- }
-
- if (s->outdev) {
- s->chr_out = qemu_chr_find(s->outdev);
- if (s->chr_out == NULL) {
- error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
- "OUT Device '%s' not found", s->outdev);
- return;
- }
- qemu_chr_fe_claim_no_fail(s->chr_out);
- }
-}
-
-static void filter_mirror_class_init(ObjectClass *oc, void *data)
-{
- NetFilterClass *nfc = NETFILTER_CLASS(oc);
-
- nfc->setup = filter_mirror_setup;
- nfc->cleanup = filter_mirror_cleanup;
- nfc->receive_iov = filter_mirror_receive_iov;
-}
-
-static void filter_redirector_class_init(ObjectClass *oc, void *data)
-{
- NetFilterClass *nfc = NETFILTER_CLASS(oc);
-
- nfc->setup = filter_redirector_setup;
- nfc->cleanup = filter_redirector_cleanup;
- nfc->receive_iov = filter_redirector_receive_iov;
-}
-
-static char *filter_redirector_get_indev(Object *obj, Error **errp)
-{
- MirrorState *s = FILTER_REDIRECTOR(obj);
-
- return g_strdup(s->indev);
-}
-
-static void
-filter_redirector_set_indev(Object *obj, const char *value, Error **errp)
-{
- MirrorState *s = FILTER_REDIRECTOR(obj);
-
- g_free(s->indev);
- s->indev = g_strdup(value);
-}
-
-static char *filter_mirror_get_outdev(Object *obj, Error **errp)
-{
- MirrorState *s = FILTER_MIRROR(obj);
-
- return g_strdup(s->outdev);
-}
-
-static void
-filter_mirror_set_outdev(Object *obj, const char *value, Error **errp)
-{
- MirrorState *s = FILTER_MIRROR(obj);
-
- g_free(s->outdev);
- s->outdev = g_strdup(value);
- if (!s->outdev) {
- error_setg(errp, "filter filter mirror needs 'outdev' "
- "property set");
- return;
- }
-}
-
-static char *filter_redirector_get_outdev(Object *obj, Error **errp)
-{
- MirrorState *s = FILTER_REDIRECTOR(obj);
-
- return g_strdup(s->outdev);
-}
-
-static void
-filter_redirector_set_outdev(Object *obj, const char *value, Error **errp)
-{
- MirrorState *s = FILTER_REDIRECTOR(obj);
-
- g_free(s->outdev);
- s->outdev = g_strdup(value);
-}
-
-static void filter_mirror_init(Object *obj)
-{
- object_property_add_str(obj, "outdev", filter_mirror_get_outdev,
- filter_mirror_set_outdev, NULL);
-}
-
-static void filter_redirector_init(Object *obj)
-{
- object_property_add_str(obj, "indev", filter_redirector_get_indev,
- filter_redirector_set_indev, NULL);
- object_property_add_str(obj, "outdev", filter_redirector_get_outdev,
- filter_redirector_set_outdev, NULL);
-}
-
-static void filter_mirror_fini(Object *obj)
-{
- MirrorState *s = FILTER_MIRROR(obj);
-
- g_free(s->outdev);
-}
-
-static void filter_redirector_fini(Object *obj)
-{
- MirrorState *s = FILTER_REDIRECTOR(obj);
-
- g_free(s->indev);
- g_free(s->outdev);
-}
-
-static const TypeInfo filter_redirector_info = {
- .name = TYPE_FILTER_REDIRECTOR,
- .parent = TYPE_NETFILTER,
- .class_init = filter_redirector_class_init,
- .instance_init = filter_redirector_init,
- .instance_finalize = filter_redirector_fini,
- .instance_size = sizeof(MirrorState),
-};
-
-static const TypeInfo filter_mirror_info = {
- .name = TYPE_FILTER_MIRROR,
- .parent = TYPE_NETFILTER,
- .class_init = filter_mirror_class_init,
- .instance_init = filter_mirror_init,
- .instance_finalize = filter_mirror_fini,
- .instance_size = sizeof(MirrorState),
-};
-
-static void register_types(void)
-{
- type_register_static(&filter_mirror_info);
- type_register_static(&filter_redirector_info);
-}
-
-type_init(register_types);
diff --git a/qemu/net/filter.c b/qemu/net/filter.c
deleted file mode 100644
index 8ac79f3b7..000000000
--- a/qemu/net/filter.c
+++ /dev/null
@@ -1,275 +0,0 @@
-/*
- * Copyright (c) 2015 FUJITSU LIMITED
- * Author: Yang Hongyang <yanghy@cn.fujitsu.com>
- *
- * This work is licensed under the terms of the GNU GPL, version 2 or
- * later. See the COPYING file in the top-level directory.
- */
-
-#include "qemu/osdep.h"
-#include "qapi/error.h"
-#include "qemu-common.h"
-#include "qapi/qmp/qerror.h"
-#include "qemu/error-report.h"
-
-#include "net/filter.h"
-#include "net/net.h"
-#include "net/vhost_net.h"
-#include "qom/object_interfaces.h"
-#include "qemu/iov.h"
-
-static inline bool qemu_can_skip_netfilter(NetFilterState *nf)
-{
- return !nf->on;
-}
-
-ssize_t qemu_netfilter_receive(NetFilterState *nf,
- NetFilterDirection direction,
- NetClientState *sender,
- unsigned flags,
- const struct iovec *iov,
- int iovcnt,
- NetPacketSent *sent_cb)
-{
- if (qemu_can_skip_netfilter(nf)) {
- return 0;
- }
- if (nf->direction == direction ||
- nf->direction == NET_FILTER_DIRECTION_ALL) {
- return NETFILTER_GET_CLASS(OBJECT(nf))->receive_iov(
- nf, sender, flags, iov, iovcnt, sent_cb);
- }
-
- return 0;
-}
-
-static NetFilterState *netfilter_next(NetFilterState *nf,
- NetFilterDirection dir)
-{
- NetFilterState *next;
-
- if (dir == NET_FILTER_DIRECTION_TX) {
- /* forward walk through filters */
- next = QTAILQ_NEXT(nf, next);
- } else {
- /* reverse order */
- next = QTAILQ_PREV(nf, NetFilterHead, next);
- }
-
- return next;
-}
-
-ssize_t qemu_netfilter_pass_to_next(NetClientState *sender,
- unsigned flags,
- const struct iovec *iov,
- int iovcnt,
- void *opaque)
-{
- int ret = 0;
- int direction;
- NetFilterState *nf = opaque;
- NetFilterState *next = NULL;
-
- if (!sender || !sender->peer) {
- /* no receiver, or sender been deleted, no need to pass it further */
- goto out;
- }
-
- if (nf->direction == NET_FILTER_DIRECTION_ALL) {
- if (sender == nf->netdev) {
- /* This packet is sent by netdev itself */
- direction = NET_FILTER_DIRECTION_TX;
- } else {
- direction = NET_FILTER_DIRECTION_RX;
- }
- } else {
- direction = nf->direction;
- }
-
- next = netfilter_next(nf, direction);
- while (next) {
- /*
- * if qemu_netfilter_pass_to_next been called, means that
- * the packet has been hold by filter and has already retured size
- * to the sender, so sent_cb shouldn't be called later, just
- * pass NULL to next.
- */
- ret = qemu_netfilter_receive(next, direction, sender, flags, iov,
- iovcnt, NULL);
- if (ret) {
- return ret;
- }
- next = netfilter_next(next, direction);
- }
-
- /*
- * We have gone through all filters, pass it to receiver.
- * Do the valid check again incase sender or receiver been
- * deleted while we go through filters.
- */
- if (sender && sender->peer) {
- qemu_net_queue_send_iov(sender->peer->incoming_queue,
- sender, flags, iov, iovcnt, NULL);
- }
-
-out:
- /* no receiver, or sender been deleted */
- return iov_size(iov, iovcnt);
-}
-
-static char *netfilter_get_netdev_id(Object *obj, Error **errp)
-{
- NetFilterState *nf = NETFILTER(obj);
-
- return g_strdup(nf->netdev_id);
-}
-
-static void netfilter_set_netdev_id(Object *obj, const char *str, Error **errp)
-{
- NetFilterState *nf = NETFILTER(obj);
-
- nf->netdev_id = g_strdup(str);
-}
-
-static int netfilter_get_direction(Object *obj, Error **errp G_GNUC_UNUSED)
-{
- NetFilterState *nf = NETFILTER(obj);
- return nf->direction;
-}
-
-static void netfilter_set_direction(Object *obj, int direction, Error **errp)
-{
- NetFilterState *nf = NETFILTER(obj);
- nf->direction = direction;
-}
-
-static char *netfilter_get_status(Object *obj, Error **errp)
-{
- NetFilterState *nf = NETFILTER(obj);
-
- return nf->on ? g_strdup("on") : g_strdup("off");
-}
-
-static void netfilter_set_status(Object *obj, const char *str, Error **errp)
-{
- NetFilterState *nf = NETFILTER(obj);
- NetFilterClass *nfc = NETFILTER_GET_CLASS(obj);
-
- if (strcmp(str, "on") && strcmp(str, "off")) {
- error_setg(errp, "Invalid value for netfilter status, "
- "should be 'on' or 'off'");
- return;
- }
- if (nf->on == !strcmp(str, "on")) {
- return;
- }
- nf->on = !nf->on;
- if (nf->netdev && nfc->status_changed) {
- nfc->status_changed(nf, errp);
- }
-}
-
-static void netfilter_init(Object *obj)
-{
- NetFilterState *nf = NETFILTER(obj);
-
- nf->on = true;
-
- object_property_add_str(obj, "netdev",
- netfilter_get_netdev_id, netfilter_set_netdev_id,
- NULL);
- object_property_add_enum(obj, "queue", "NetFilterDirection",
- NetFilterDirection_lookup,
- netfilter_get_direction, netfilter_set_direction,
- NULL);
- object_property_add_str(obj, "status",
- netfilter_get_status, netfilter_set_status,
- NULL);
-}
-
-static void netfilter_complete(UserCreatable *uc, Error **errp)
-{
- NetFilterState *nf = NETFILTER(uc);
- NetClientState *ncs[MAX_QUEUE_NUM];
- NetFilterClass *nfc = NETFILTER_GET_CLASS(uc);
- int queues;
- Error *local_err = NULL;
-
- if (!nf->netdev_id) {
- error_setg(errp, "Parameter 'netdev' is required");
- return;
- }
-
- queues = qemu_find_net_clients_except(nf->netdev_id, ncs,
- NET_CLIENT_OPTIONS_KIND_NIC,
- MAX_QUEUE_NUM);
- if (queues < 1) {
- error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "netdev",
- "a network backend id");
- return;
- } else if (queues > 1) {
- error_setg(errp, "multiqueue is not supported");
- return;
- }
-
- if (get_vhost_net(ncs[0])) {
- error_setg(errp, "Vhost is not supported");
- return;
- }
-
- nf->netdev = ncs[0];
-
- if (nfc->setup) {
- nfc->setup(nf, &local_err);
- if (local_err) {
- error_propagate(errp, local_err);
- return;
- }
- }
- QTAILQ_INSERT_TAIL(&nf->netdev->filters, nf, next);
-}
-
-static void netfilter_finalize(Object *obj)
-{
- NetFilterState *nf = NETFILTER(obj);
- NetFilterClass *nfc = NETFILTER_GET_CLASS(obj);
-
- if (nfc->cleanup) {
- nfc->cleanup(nf);
- }
-
- if (nf->netdev && !QTAILQ_EMPTY(&nf->netdev->filters) &&
- nf->next.tqe_prev) {
- QTAILQ_REMOVE(&nf->netdev->filters, nf, next);
- }
- g_free(nf->netdev_id);
-}
-
-static void netfilter_class_init(ObjectClass *oc, void *data)
-{
- UserCreatableClass *ucc = USER_CREATABLE_CLASS(oc);
-
- ucc->complete = netfilter_complete;
-}
-
-static const TypeInfo netfilter_info = {
- .name = TYPE_NETFILTER,
- .parent = TYPE_OBJECT,
- .abstract = true,
- .class_size = sizeof(NetFilterClass),
- .class_init = netfilter_class_init,
- .instance_size = sizeof(NetFilterState),
- .instance_init = netfilter_init,
- .instance_finalize = netfilter_finalize,
- .interfaces = (InterfaceInfo[]) {
- { TYPE_USER_CREATABLE },
- { }
- }
-};
-
-static void register_types(void)
-{
- type_register_static(&netfilter_info);
-}
-
-type_init(register_types);
diff --git a/qemu/net/hub.c b/qemu/net/hub.c
deleted file mode 100644
index 6d90c6ee6..000000000
--- a/qemu/net/hub.c
+++ /dev/null
@@ -1,355 +0,0 @@
-/*
- * Hub net client
- *
- * Copyright IBM, Corp. 2012
- *
- * Authors:
- * Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
- * Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
- *
- * This work is licensed under the terms of the GNU LGPL, version 2 or later.
- * See the COPYING.LIB file in the top-level directory.
- *
- */
-
-#include "qemu/osdep.h"
-#include "monitor/monitor.h"
-#include "net/net.h"
-#include "clients.h"
-#include "hub.h"
-#include "qemu/iov.h"
-
-/*
- * A hub broadcasts incoming packets to all its ports except the source port.
- * Hubs can be used to provide independent network segments, also confusingly
- * named the QEMU 'vlan' feature.
- */
-
-typedef struct NetHub NetHub;
-
-typedef struct NetHubPort {
- NetClientState nc;
- QLIST_ENTRY(NetHubPort) next;
- NetHub *hub;
- int id;
-} NetHubPort;
-
-struct NetHub {
- int id;
- QLIST_ENTRY(NetHub) next;
- int num_ports;
- QLIST_HEAD(, NetHubPort) ports;
-};
-
-static QLIST_HEAD(, NetHub) hubs = QLIST_HEAD_INITIALIZER(&hubs);
-
-static ssize_t net_hub_receive(NetHub *hub, NetHubPort *source_port,
- const uint8_t *buf, size_t len)
-{
- NetHubPort *port;
-
- QLIST_FOREACH(port, &hub->ports, next) {
- if (port == source_port) {
- continue;
- }
-
- qemu_send_packet(&port->nc, buf, len);
- }
- return len;
-}
-
-static ssize_t net_hub_receive_iov(NetHub *hub, NetHubPort *source_port,
- const struct iovec *iov, int iovcnt)
-{
- NetHubPort *port;
- ssize_t len = iov_size(iov, iovcnt);
-
- QLIST_FOREACH(port, &hub->ports, next) {
- if (port == source_port) {
- continue;
- }
-
- qemu_sendv_packet(&port->nc, iov, iovcnt);
- }
- return len;
-}
-
-static NetHub *net_hub_new(int id)
-{
- NetHub *hub;
-
- hub = g_malloc(sizeof(*hub));
- hub->id = id;
- hub->num_ports = 0;
- QLIST_INIT(&hub->ports);
-
- QLIST_INSERT_HEAD(&hubs, hub, next);
-
- return hub;
-}
-
-static int net_hub_port_can_receive(NetClientState *nc)
-{
- NetHubPort *port;
- NetHubPort *src_port = DO_UPCAST(NetHubPort, nc, nc);
- NetHub *hub = src_port->hub;
-
- QLIST_FOREACH(port, &hub->ports, next) {
- if (port == src_port) {
- continue;
- }
-
- if (qemu_can_send_packet(&port->nc)) {
- return 1;
- }
- }
-
- return 0;
-}
-
-static ssize_t net_hub_port_receive(NetClientState *nc,
- const uint8_t *buf, size_t len)
-{
- NetHubPort *port = DO_UPCAST(NetHubPort, nc, nc);
-
- return net_hub_receive(port->hub, port, buf, len);
-}
-
-static ssize_t net_hub_port_receive_iov(NetClientState *nc,
- const struct iovec *iov, int iovcnt)
-{
- NetHubPort *port = DO_UPCAST(NetHubPort, nc, nc);
-
- return net_hub_receive_iov(port->hub, port, iov, iovcnt);
-}
-
-static void net_hub_port_cleanup(NetClientState *nc)
-{
- NetHubPort *port = DO_UPCAST(NetHubPort, nc, nc);
-
- QLIST_REMOVE(port, next);
-}
-
-static NetClientInfo net_hub_port_info = {
- .type = NET_CLIENT_OPTIONS_KIND_HUBPORT,
- .size = sizeof(NetHubPort),
- .can_receive = net_hub_port_can_receive,
- .receive = net_hub_port_receive,
- .receive_iov = net_hub_port_receive_iov,
- .cleanup = net_hub_port_cleanup,
-};
-
-static NetHubPort *net_hub_port_new(NetHub *hub, const char *name)
-{
- NetClientState *nc;
- NetHubPort *port;
- int id = hub->num_ports++;
- char default_name[128];
-
- if (!name) {
- snprintf(default_name, sizeof(default_name),
- "hub%dport%d", hub->id, id);
- name = default_name;
- }
-
- nc = qemu_new_net_client(&net_hub_port_info, NULL, "hub", name);
- port = DO_UPCAST(NetHubPort, nc, nc);
- port->id = id;
- port->hub = hub;
-
- QLIST_INSERT_HEAD(&hub->ports, port, next);
-
- return port;
-}
-
-/**
- * Create a port on a given hub
- * @name: Net client name or NULL for default name.
- *
- * If there is no existing hub with the given id then a new hub is created.
- */
-NetClientState *net_hub_add_port(int hub_id, const char *name)
-{
- NetHub *hub;
- NetHubPort *port;
-
- QLIST_FOREACH(hub, &hubs, next) {
- if (hub->id == hub_id) {
- break;
- }
- }
-
- if (!hub) {
- hub = net_hub_new(hub_id);
- }
-
- port = net_hub_port_new(hub, name);
- return &port->nc;
-}
-
-/**
- * Find a specific client on a hub
- */
-NetClientState *net_hub_find_client_by_name(int hub_id, const char *name)
-{
- NetHub *hub;
- NetHubPort *port;
- NetClientState *peer;
-
- QLIST_FOREACH(hub, &hubs, next) {
- if (hub->id == hub_id) {
- QLIST_FOREACH(port, &hub->ports, next) {
- peer = port->nc.peer;
-
- if (peer && strcmp(peer->name, name) == 0) {
- return peer;
- }
- }
- }
- }
- return NULL;
-}
-
-/**
- * Find a available port on a hub; otherwise create one new port
- */
-NetClientState *net_hub_port_find(int hub_id)
-{
- NetHub *hub;
- NetHubPort *port;
- NetClientState *nc;
-
- QLIST_FOREACH(hub, &hubs, next) {
- if (hub->id == hub_id) {
- QLIST_FOREACH(port, &hub->ports, next) {
- nc = port->nc.peer;
- if (!nc) {
- return &(port->nc);
- }
- }
- break;
- }
- }
-
- nc = net_hub_add_port(hub_id, NULL);
- return nc;
-}
-
-/**
- * Print hub configuration
- */
-void net_hub_info(Monitor *mon)
-{
- NetHub *hub;
- NetHubPort *port;
-
- QLIST_FOREACH(hub, &hubs, next) {
- monitor_printf(mon, "hub %d\n", hub->id);
- QLIST_FOREACH(port, &hub->ports, next) {
- monitor_printf(mon, " \\ %s", port->nc.name);
- if (port->nc.peer) {
- monitor_printf(mon, ": ");
- print_net_client(mon, port->nc.peer);
- } else {
- monitor_printf(mon, "\n");
- }
- }
- }
-}
-
-/**
- * Get the hub id that a client is connected to
- *
- * @id: Pointer for hub id output, may be NULL
- */
-int net_hub_id_for_client(NetClientState *nc, int *id)
-{
- NetHubPort *port;
-
- if (nc->info->type == NET_CLIENT_OPTIONS_KIND_HUBPORT) {
- port = DO_UPCAST(NetHubPort, nc, nc);
- } else if (nc->peer != NULL && nc->peer->info->type ==
- NET_CLIENT_OPTIONS_KIND_HUBPORT) {
- port = DO_UPCAST(NetHubPort, nc, nc->peer);
- } else {
- return -ENOENT;
- }
-
- if (id) {
- *id = port->hub->id;
- }
- return 0;
-}
-
-int net_init_hubport(const NetClientOptions *opts, const char *name,
- NetClientState *peer, Error **errp)
-{
- const NetdevHubPortOptions *hubport;
-
- assert(opts->type == NET_CLIENT_OPTIONS_KIND_HUBPORT);
- assert(!peer);
- hubport = opts->u.hubport.data;
-
- net_hub_add_port(hubport->hubid, name);
- return 0;
-}
-
-/**
- * Warn if hub configurations are likely wrong
- */
-void net_hub_check_clients(void)
-{
- NetHub *hub;
- NetHubPort *port;
- NetClientState *peer;
-
- QLIST_FOREACH(hub, &hubs, next) {
- int has_nic = 0, has_host_dev = 0;
-
- QLIST_FOREACH(port, &hub->ports, next) {
- peer = port->nc.peer;
- if (!peer) {
- fprintf(stderr, "Warning: hub port %s has no peer\n",
- port->nc.name);
- continue;
- }
-
- switch (peer->info->type) {
- case NET_CLIENT_OPTIONS_KIND_NIC:
- has_nic = 1;
- break;
- case NET_CLIENT_OPTIONS_KIND_USER:
- case NET_CLIENT_OPTIONS_KIND_TAP:
- case NET_CLIENT_OPTIONS_KIND_SOCKET:
- case NET_CLIENT_OPTIONS_KIND_VDE:
- case NET_CLIENT_OPTIONS_KIND_VHOST_USER:
- has_host_dev = 1;
- break;
- default:
- break;
- }
- }
- if (has_host_dev && !has_nic) {
- fprintf(stderr, "Warning: vlan %d with no nics\n", hub->id);
- }
- if (has_nic && !has_host_dev) {
- fprintf(stderr,
- "Warning: vlan %d is not connected to host network\n",
- hub->id);
- }
- }
-}
-
-bool net_hub_flush(NetClientState *nc)
-{
- NetHubPort *port;
- NetHubPort *source_port = DO_UPCAST(NetHubPort, nc, nc);
- int ret = 0;
-
- QLIST_FOREACH(port, &source_port->hub->ports, next) {
- if (port != source_port) {
- ret += qemu_net_queue_flush(port->nc.incoming_queue);
- }
- }
- return ret ? true : false;
-}
diff --git a/qemu/net/hub.h b/qemu/net/hub.h
deleted file mode 100644
index a625effe0..000000000
--- a/qemu/net/hub.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * Hub net client
- *
- * Copyright IBM, Corp. 2012
- *
- * Authors:
- * Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
- * Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
- *
- * This work is licensed under the terms of the GNU LGPL, version 2 or later.
- * See the COPYING.LIB file in the top-level directory.
- *
- */
-
-#ifndef NET_HUB_H
-#define NET_HUB_H
-
-#include "qemu-common.h"
-
-NetClientState *net_hub_add_port(int hub_id, const char *name);
-NetClientState *net_hub_find_client_by_name(int hub_id, const char *name);
-void net_hub_info(Monitor *mon);
-void net_hub_check_clients(void);
-bool net_hub_flush(NetClientState *nc);
-
-#endif /* NET_HUB_H */
diff --git a/qemu/net/l2tpv3.c b/qemu/net/l2tpv3.c
deleted file mode 100644
index 5c668f737..000000000
--- a/qemu/net/l2tpv3.c
+++ /dev/null
@@ -1,744 +0,0 @@
-/*
- * QEMU System Emulator
- *
- * Copyright (c) 2003-2008 Fabrice Bellard
- * Copyright (c) 2012-2014 Cisco Systems
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#include "qemu/osdep.h"
-#include <linux/ip.h>
-#include <netdb.h>
-#include "net/net.h"
-#include "clients.h"
-#include "qemu-common.h"
-#include "qemu/error-report.h"
-#include "qemu/option.h"
-#include "qemu/sockets.h"
-#include "qemu/iov.h"
-#include "qemu/main-loop.h"
-
-
-/* The buffer size needs to be investigated for optimum numbers and
- * optimum means of paging in on different systems. This size is
- * chosen to be sufficient to accommodate one packet with some headers
- */
-
-#define BUFFER_ALIGN sysconf(_SC_PAGESIZE)
-#define BUFFER_SIZE 2048
-#define IOVSIZE 2
-#define MAX_L2TPV3_MSGCNT 64
-#define MAX_L2TPV3_IOVCNT (MAX_L2TPV3_MSGCNT * IOVSIZE)
-
-/* Header set to 0x30000 signifies a data packet */
-
-#define L2TPV3_DATA_PACKET 0x30000
-
-/* IANA-assigned IP protocol ID for L2TPv3 */
-
-#ifndef IPPROTO_L2TP
-#define IPPROTO_L2TP 0x73
-#endif
-
-typedef struct NetL2TPV3State {
- NetClientState nc;
- int fd;
-
- /*
- * these are used for xmit - that happens packet a time
- * and for first sign of life packet (easier to parse that once)
- */
-
- uint8_t *header_buf;
- struct iovec *vec;
-
- /*
- * these are used for receive - try to "eat" up to 32 packets at a time
- */
-
- struct mmsghdr *msgvec;
-
- /*
- * peer address
- */
-
- struct sockaddr_storage *dgram_dst;
- uint32_t dst_size;
-
- /*
- * L2TPv3 parameters
- */
-
- uint64_t rx_cookie;
- uint64_t tx_cookie;
- uint32_t rx_session;
- uint32_t tx_session;
- uint32_t header_size;
- uint32_t counter;
-
- /*
- * DOS avoidance in error handling
- */
-
- bool header_mismatch;
-
- /*
- * Ring buffer handling
- */
-
- int queue_head;
- int queue_tail;
- int queue_depth;
-
- /*
- * Precomputed offsets
- */
-
- uint32_t offset;
- uint32_t cookie_offset;
- uint32_t counter_offset;
- uint32_t session_offset;
-
- /* Poll Control */
-
- bool read_poll;
- bool write_poll;
-
- /* Flags */
-
- bool ipv6;
- bool udp;
- bool has_counter;
- bool pin_counter;
- bool cookie;
- bool cookie_is_64;
-
-} NetL2TPV3State;
-
-static void net_l2tpv3_send(void *opaque);
-static void l2tpv3_writable(void *opaque);
-
-static void l2tpv3_update_fd_handler(NetL2TPV3State *s)
-{
- qemu_set_fd_handler(s->fd,
- s->read_poll ? net_l2tpv3_send : NULL,
- s->write_poll ? l2tpv3_writable : NULL,
- s);
-}
-
-static void l2tpv3_read_poll(NetL2TPV3State *s, bool enable)
-{
- if (s->read_poll != enable) {
- s->read_poll = enable;
- l2tpv3_update_fd_handler(s);
- }
-}
-
-static void l2tpv3_write_poll(NetL2TPV3State *s, bool enable)
-{
- if (s->write_poll != enable) {
- s->write_poll = enable;
- l2tpv3_update_fd_handler(s);
- }
-}
-
-static void l2tpv3_writable(void *opaque)
-{
- NetL2TPV3State *s = opaque;
- l2tpv3_write_poll(s, false);
- qemu_flush_queued_packets(&s->nc);
-}
-
-static void l2tpv3_send_completed(NetClientState *nc, ssize_t len)
-{
- NetL2TPV3State *s = DO_UPCAST(NetL2TPV3State, nc, nc);
- l2tpv3_read_poll(s, true);
-}
-
-static void l2tpv3_poll(NetClientState *nc, bool enable)
-{
- NetL2TPV3State *s = DO_UPCAST(NetL2TPV3State, nc, nc);
- l2tpv3_write_poll(s, enable);
- l2tpv3_read_poll(s, enable);
-}
-
-static void l2tpv3_form_header(NetL2TPV3State *s)
-{
- uint32_t *counter;
-
- if (s->udp) {
- stl_be_p((uint32_t *) s->header_buf, L2TPV3_DATA_PACKET);
- }
- stl_be_p(
- (uint32_t *) (s->header_buf + s->session_offset),
- s->tx_session
- );
- if (s->cookie) {
- if (s->cookie_is_64) {
- stq_be_p(
- (uint64_t *)(s->header_buf + s->cookie_offset),
- s->tx_cookie
- );
- } else {
- stl_be_p(
- (uint32_t *) (s->header_buf + s->cookie_offset),
- s->tx_cookie
- );
- }
- }
- if (s->has_counter) {
- counter = (uint32_t *)(s->header_buf + s->counter_offset);
- if (s->pin_counter) {
- *counter = 0;
- } else {
- stl_be_p(counter, ++s->counter);
- }
- }
-}
-
-static ssize_t net_l2tpv3_receive_dgram_iov(NetClientState *nc,
- const struct iovec *iov,
- int iovcnt)
-{
- NetL2TPV3State *s = DO_UPCAST(NetL2TPV3State, nc, nc);
-
- struct msghdr message;
- int ret;
-
- if (iovcnt > MAX_L2TPV3_IOVCNT - 1) {
- error_report(
- "iovec too long %d > %d, change l2tpv3.h",
- iovcnt, MAX_L2TPV3_IOVCNT
- );
- return -1;
- }
- l2tpv3_form_header(s);
- memcpy(s->vec + 1, iov, iovcnt * sizeof(struct iovec));
- s->vec->iov_base = s->header_buf;
- s->vec->iov_len = s->offset;
- message.msg_name = s->dgram_dst;
- message.msg_namelen = s->dst_size;
- message.msg_iov = s->vec;
- message.msg_iovlen = iovcnt + 1;
- message.msg_control = NULL;
- message.msg_controllen = 0;
- message.msg_flags = 0;
- do {
- ret = sendmsg(s->fd, &message, 0);
- } while ((ret == -1) && (errno == EINTR));
- if (ret > 0) {
- ret -= s->offset;
- } else if (ret == 0) {
- /* belt and braces - should not occur on DGRAM
- * we should get an error and never a 0 send
- */
- ret = iov_size(iov, iovcnt);
- } else {
- /* signal upper layer that socket buffer is full */
- ret = -errno;
- if (ret == -EAGAIN || ret == -ENOBUFS) {
- l2tpv3_write_poll(s, true);
- ret = 0;
- }
- }
- return ret;
-}
-
-static ssize_t net_l2tpv3_receive_dgram(NetClientState *nc,
- const uint8_t *buf,
- size_t size)
-{
- NetL2TPV3State *s = DO_UPCAST(NetL2TPV3State, nc, nc);
-
- struct iovec *vec;
- struct msghdr message;
- ssize_t ret = 0;
-
- l2tpv3_form_header(s);
- vec = s->vec;
- vec->iov_base = s->header_buf;
- vec->iov_len = s->offset;
- vec++;
- vec->iov_base = (void *) buf;
- vec->iov_len = size;
- message.msg_name = s->dgram_dst;
- message.msg_namelen = s->dst_size;
- message.msg_iov = s->vec;
- message.msg_iovlen = 2;
- message.msg_control = NULL;
- message.msg_controllen = 0;
- message.msg_flags = 0;
- do {
- ret = sendmsg(s->fd, &message, 0);
- } while ((ret == -1) && (errno == EINTR));
- if (ret > 0) {
- ret -= s->offset;
- } else if (ret == 0) {
- /* belt and braces - should not occur on DGRAM
- * we should get an error and never a 0 send
- */
- ret = size;
- } else {
- ret = -errno;
- if (ret == -EAGAIN || ret == -ENOBUFS) {
- /* signal upper layer that socket buffer is full */
- l2tpv3_write_poll(s, true);
- ret = 0;
- }
- }
- return ret;
-}
-
-static int l2tpv3_verify_header(NetL2TPV3State *s, uint8_t *buf)
-{
-
- uint32_t *session;
- uint64_t cookie;
-
- if ((!s->udp) && (!s->ipv6)) {
- buf += sizeof(struct iphdr) /* fix for ipv4 raw */;
- }
-
- /* we do not do a strict check for "data" packets as per
- * the RFC spec because the pure IP spec does not have
- * that anyway.
- */
-
- if (s->cookie) {
- if (s->cookie_is_64) {
- cookie = ldq_be_p(buf + s->cookie_offset);
- } else {
- cookie = ldl_be_p(buf + s->cookie_offset) & 0xffffffffULL;
- }
- if (cookie != s->rx_cookie) {
- if (!s->header_mismatch) {
- error_report("unknown cookie id");
- }
- return -1;
- }
- }
- session = (uint32_t *) (buf + s->session_offset);
- if (ldl_be_p(session) != s->rx_session) {
- if (!s->header_mismatch) {
- error_report("session mismatch");
- }
- return -1;
- }
- return 0;
-}
-
-static void net_l2tpv3_process_queue(NetL2TPV3State *s)
-{
- int size = 0;
- struct iovec *vec;
- bool bad_read;
- int data_size;
- struct mmsghdr *msgvec;
-
- /* go into ring mode only if there is a "pending" tail */
- if (s->queue_depth > 0) {
- do {
- msgvec = s->msgvec + s->queue_tail;
- if (msgvec->msg_len > 0) {
- data_size = msgvec->msg_len - s->header_size;
- vec = msgvec->msg_hdr.msg_iov;
- if ((data_size > 0) &&
- (l2tpv3_verify_header(s, vec->iov_base) == 0)) {
- vec++;
- /* Use the legacy delivery for now, we will
- * switch to using our own ring as a queueing mechanism
- * at a later date
- */
- size = qemu_send_packet_async(
- &s->nc,
- vec->iov_base,
- data_size,
- l2tpv3_send_completed
- );
- if (size == 0) {
- l2tpv3_read_poll(s, false);
- }
- bad_read = false;
- } else {
- bad_read = true;
- if (!s->header_mismatch) {
- /* report error only once */
- error_report("l2tpv3 header verification failed");
- s->header_mismatch = true;
- }
- }
- } else {
- bad_read = true;
- }
- s->queue_tail = (s->queue_tail + 1) % MAX_L2TPV3_MSGCNT;
- s->queue_depth--;
- } while (
- (s->queue_depth > 0) &&
- qemu_can_send_packet(&s->nc) &&
- ((size > 0) || bad_read)
- );
- }
-}
-
-static void net_l2tpv3_send(void *opaque)
-{
- NetL2TPV3State *s = opaque;
- int target_count, count;
- struct mmsghdr *msgvec;
-
- /* go into ring mode only if there is a "pending" tail */
-
- if (s->queue_depth) {
-
- /* The ring buffer we use has variable intake
- * count of how much we can read varies - adjust accordingly
- */
-
- target_count = MAX_L2TPV3_MSGCNT - s->queue_depth;
-
- /* Ensure we do not overrun the ring when we have
- * a lot of enqueued packets
- */
-
- if (s->queue_head + target_count > MAX_L2TPV3_MSGCNT) {
- target_count = MAX_L2TPV3_MSGCNT - s->queue_head;
- }
- } else {
-
- /* we do not have any pending packets - we can use
- * the whole message vector linearly instead of using
- * it as a ring
- */
-
- s->queue_head = 0;
- s->queue_tail = 0;
- target_count = MAX_L2TPV3_MSGCNT;
- }
-
- msgvec = s->msgvec + s->queue_head;
- if (target_count > 0) {
- do {
- count = recvmmsg(
- s->fd,
- msgvec,
- target_count, MSG_DONTWAIT, NULL);
- } while ((count == -1) && (errno == EINTR));
- if (count < 0) {
- /* Recv error - we still need to flush packets here,
- * (re)set queue head to current position
- */
- count = 0;
- }
- s->queue_head = (s->queue_head + count) % MAX_L2TPV3_MSGCNT;
- s->queue_depth += count;
- }
- net_l2tpv3_process_queue(s);
-}
-
-static void destroy_vector(struct mmsghdr *msgvec, int count, int iovcount)
-{
- int i, j;
- struct iovec *iov;
- struct mmsghdr *cleanup = msgvec;
- if (cleanup) {
- for (i = 0; i < count; i++) {
- if (cleanup->msg_hdr.msg_iov) {
- iov = cleanup->msg_hdr.msg_iov;
- for (j = 0; j < iovcount; j++) {
- g_free(iov->iov_base);
- iov++;
- }
- g_free(cleanup->msg_hdr.msg_iov);
- }
- cleanup++;
- }
- g_free(msgvec);
- }
-}
-
-static struct mmsghdr *build_l2tpv3_vector(NetL2TPV3State *s, int count)
-{
- int i;
- struct iovec *iov;
- struct mmsghdr *msgvec, *result;
-
- msgvec = g_new(struct mmsghdr, count);
- result = msgvec;
- for (i = 0; i < count ; i++) {
- msgvec->msg_hdr.msg_name = NULL;
- msgvec->msg_hdr.msg_namelen = 0;
- iov = g_new(struct iovec, IOVSIZE);
- msgvec->msg_hdr.msg_iov = iov;
- iov->iov_base = g_malloc(s->header_size);
- iov->iov_len = s->header_size;
- iov++ ;
- iov->iov_base = qemu_memalign(BUFFER_ALIGN, BUFFER_SIZE);
- iov->iov_len = BUFFER_SIZE;
- msgvec->msg_hdr.msg_iovlen = 2;
- msgvec->msg_hdr.msg_control = NULL;
- msgvec->msg_hdr.msg_controllen = 0;
- msgvec->msg_hdr.msg_flags = 0;
- msgvec++;
- }
- return result;
-}
-
-static void net_l2tpv3_cleanup(NetClientState *nc)
-{
- NetL2TPV3State *s = DO_UPCAST(NetL2TPV3State, nc, nc);
- qemu_purge_queued_packets(nc);
- l2tpv3_read_poll(s, false);
- l2tpv3_write_poll(s, false);
- if (s->fd >= 0) {
- close(s->fd);
- }
- destroy_vector(s->msgvec, MAX_L2TPV3_MSGCNT, IOVSIZE);
- g_free(s->vec);
- g_free(s->header_buf);
- g_free(s->dgram_dst);
-}
-
-static NetClientInfo net_l2tpv3_info = {
- .type = NET_CLIENT_OPTIONS_KIND_L2TPV3,
- .size = sizeof(NetL2TPV3State),
- .receive = net_l2tpv3_receive_dgram,
- .receive_iov = net_l2tpv3_receive_dgram_iov,
- .poll = l2tpv3_poll,
- .cleanup = net_l2tpv3_cleanup,
-};
-
-int net_init_l2tpv3(const NetClientOptions *opts,
- const char *name,
- NetClientState *peer, Error **errp)
-{
- /* FIXME error_setg(errp, ...) on failure */
- const NetdevL2TPv3Options *l2tpv3;
- NetL2TPV3State *s;
- NetClientState *nc;
- int fd = -1, gairet;
- struct addrinfo hints;
- struct addrinfo *result = NULL;
- char *srcport, *dstport;
-
- nc = qemu_new_net_client(&net_l2tpv3_info, peer, "l2tpv3", name);
-
- s = DO_UPCAST(NetL2TPV3State, nc, nc);
-
- s->queue_head = 0;
- s->queue_tail = 0;
- s->header_mismatch = false;
-
- assert(opts->type == NET_CLIENT_OPTIONS_KIND_L2TPV3);
- l2tpv3 = opts->u.l2tpv3.data;
-
- if (l2tpv3->has_ipv6 && l2tpv3->ipv6) {
- s->ipv6 = l2tpv3->ipv6;
- } else {
- s->ipv6 = false;
- }
-
- if ((l2tpv3->has_offset) && (l2tpv3->offset > 256)) {
- error_report("l2tpv3_open : offset must be less than 256 bytes");
- goto outerr;
- }
-
- if (l2tpv3->has_rxcookie || l2tpv3->has_txcookie) {
- if (l2tpv3->has_rxcookie && l2tpv3->has_txcookie) {
- s->cookie = true;
- } else {
- goto outerr;
- }
- } else {
- s->cookie = false;
- }
-
- if (l2tpv3->has_cookie64 || l2tpv3->cookie64) {
- s->cookie_is_64 = true;
- } else {
- s->cookie_is_64 = false;
- }
-
- if (l2tpv3->has_udp && l2tpv3->udp) {
- s->udp = true;
- if (!(l2tpv3->has_srcport && l2tpv3->has_dstport)) {
- error_report("l2tpv3_open : need both src and dst port for udp");
- goto outerr;
- } else {
- srcport = l2tpv3->srcport;
- dstport = l2tpv3->dstport;
- }
- } else {
- s->udp = false;
- srcport = NULL;
- dstport = NULL;
- }
-
-
- s->offset = 4;
- s->session_offset = 0;
- s->cookie_offset = 4;
- s->counter_offset = 4;
-
- s->tx_session = l2tpv3->txsession;
- if (l2tpv3->has_rxsession) {
- s->rx_session = l2tpv3->rxsession;
- } else {
- s->rx_session = s->tx_session;
- }
-
- if (s->cookie) {
- s->rx_cookie = l2tpv3->rxcookie;
- s->tx_cookie = l2tpv3->txcookie;
- if (s->cookie_is_64 == true) {
- /* 64 bit cookie */
- s->offset += 8;
- s->counter_offset += 8;
- } else {
- /* 32 bit cookie */
- s->offset += 4;
- s->counter_offset += 4;
- }
- }
-
- memset(&hints, 0, sizeof(hints));
-
- if (s->ipv6) {
- hints.ai_family = AF_INET6;
- } else {
- hints.ai_family = AF_INET;
- }
- if (s->udp) {
- hints.ai_socktype = SOCK_DGRAM;
- hints.ai_protocol = 0;
- s->offset += 4;
- s->counter_offset += 4;
- s->session_offset += 4;
- s->cookie_offset += 4;
- } else {
- hints.ai_socktype = SOCK_RAW;
- hints.ai_protocol = IPPROTO_L2TP;
- }
-
- gairet = getaddrinfo(l2tpv3->src, srcport, &hints, &result);
-
- if ((gairet != 0) || (result == NULL)) {
- error_report(
- "l2tpv3_open : could not resolve src, errno = %s",
- gai_strerror(gairet)
- );
- goto outerr;
- }
- fd = socket(result->ai_family, result->ai_socktype, result->ai_protocol);
- if (fd == -1) {
- fd = -errno;
- error_report("l2tpv3_open : socket creation failed, errno = %d", -fd);
- goto outerr;
- }
- if (bind(fd, (struct sockaddr *) result->ai_addr, result->ai_addrlen)) {
- error_report("l2tpv3_open : could not bind socket err=%i", errno);
- goto outerr;
- }
- if (result) {
- freeaddrinfo(result);
- }
-
- memset(&hints, 0, sizeof(hints));
-
- if (s->ipv6) {
- hints.ai_family = AF_INET6;
- } else {
- hints.ai_family = AF_INET;
- }
- if (s->udp) {
- hints.ai_socktype = SOCK_DGRAM;
- hints.ai_protocol = 0;
- } else {
- hints.ai_socktype = SOCK_RAW;
- hints.ai_protocol = IPPROTO_L2TP;
- }
-
- result = NULL;
- gairet = getaddrinfo(l2tpv3->dst, dstport, &hints, &result);
- if ((gairet != 0) || (result == NULL)) {
- error_report(
- "l2tpv3_open : could not resolve dst, error = %s",
- gai_strerror(gairet)
- );
- goto outerr;
- }
-
- s->dgram_dst = g_new0(struct sockaddr_storage, 1);
- memcpy(s->dgram_dst, result->ai_addr, result->ai_addrlen);
- s->dst_size = result->ai_addrlen;
-
- if (result) {
- freeaddrinfo(result);
- }
-
- if (l2tpv3->has_counter && l2tpv3->counter) {
- s->has_counter = true;
- s->offset += 4;
- } else {
- s->has_counter = false;
- }
-
- if (l2tpv3->has_pincounter && l2tpv3->pincounter) {
- s->has_counter = true; /* pin counter implies that there is counter */
- s->pin_counter = true;
- } else {
- s->pin_counter = false;
- }
-
- if (l2tpv3->has_offset) {
- /* extra offset */
- s->offset += l2tpv3->offset;
- }
-
- if ((s->ipv6) || (s->udp)) {
- s->header_size = s->offset;
- } else {
- s->header_size = s->offset + sizeof(struct iphdr);
- }
-
- s->msgvec = build_l2tpv3_vector(s, MAX_L2TPV3_MSGCNT);
- s->vec = g_new(struct iovec, MAX_L2TPV3_IOVCNT);
- s->header_buf = g_malloc(s->header_size);
-
- qemu_set_nonblock(fd);
-
- s->fd = fd;
- s->counter = 0;
-
- l2tpv3_read_poll(s, true);
-
- snprintf(s->nc.info_str, sizeof(s->nc.info_str),
- "l2tpv3: connected");
- return 0;
-outerr:
- qemu_del_net_client(nc);
- if (fd >= 0) {
- close(fd);
- }
- if (result) {
- freeaddrinfo(result);
- }
- return -1;
-}
-
diff --git a/qemu/net/net.c b/qemu/net/net.c
deleted file mode 100644
index 0ad6217cb..000000000
--- a/qemu/net/net.c
+++ /dev/null
@@ -1,1575 +0,0 @@
-/*
- * QEMU System Emulator
- *
- * Copyright (c) 2003-2008 Fabrice Bellard
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-#include "qemu/osdep.h"
-
-#include "net/net.h"
-#include "clients.h"
-#include "hub.h"
-#include "net/slirp.h"
-#include "net/eth.h"
-#include "util.h"
-
-#include "monitor/monitor.h"
-#include "qemu-common.h"
-#include "qemu/help_option.h"
-#include "qapi/qmp/qerror.h"
-#include "qemu/error-report.h"
-#include "qemu/sockets.h"
-#include "qemu/cutils.h"
-#include "qemu/config-file.h"
-#include "qmp-commands.h"
-#include "hw/qdev.h"
-#include "qemu/iov.h"
-#include "qemu/main-loop.h"
-#include "qapi-visit.h"
-#include "qapi/opts-visitor.h"
-#include "sysemu/sysemu.h"
-#include "net/filter.h"
-#include "qapi/string-output-visitor.h"
-
-/* Net bridge is currently not supported for W32. */
-#if !defined(_WIN32)
-# define CONFIG_NET_BRIDGE
-#endif
-
-static VMChangeStateEntry *net_change_state_entry;
-static QTAILQ_HEAD(, NetClientState) net_clients;
-
-const char *host_net_devices[] = {
- "tap",
- "socket",
- "dump",
-#ifdef CONFIG_NET_BRIDGE
- "bridge",
-#endif
-#ifdef CONFIG_NETMAP
- "netmap",
-#endif
-#ifdef CONFIG_SLIRP
- "user",
-#endif
-#ifdef CONFIG_VDE
- "vde",
-#endif
- "vhost-user",
- NULL,
-};
-
-int default_net = 1;
-
-/***********************************************************/
-/* network device redirectors */
-
-static int get_str_sep(char *buf, int buf_size, const char **pp, int sep)
-{
- const char *p, *p1;
- int len;
- p = *pp;
- p1 = strchr(p, sep);
- if (!p1)
- return -1;
- len = p1 - p;
- p1++;
- if (buf_size > 0) {
- if (len > buf_size - 1)
- len = buf_size - 1;
- memcpy(buf, p, len);
- buf[len] = '\0';
- }
- *pp = p1;
- return 0;
-}
-
-int parse_host_port(struct sockaddr_in *saddr, const char *str)
-{
- char buf[512];
- struct hostent *he;
- const char *p, *r;
- int port;
-
- p = str;
- if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
- return -1;
- saddr->sin_family = AF_INET;
- if (buf[0] == '\0') {
- saddr->sin_addr.s_addr = 0;
- } else {
- if (qemu_isdigit(buf[0])) {
- if (!inet_aton(buf, &saddr->sin_addr))
- return -1;
- } else {
- if ((he = gethostbyname(buf)) == NULL)
- return - 1;
- saddr->sin_addr = *(struct in_addr *)he->h_addr;
- }
- }
- port = strtol(p, (char **)&r, 0);
- if (r == p)
- return -1;
- saddr->sin_port = htons(port);
- return 0;
-}
-
-char *qemu_mac_strdup_printf(const uint8_t *macaddr)
-{
- return g_strdup_printf("%.2x:%.2x:%.2x:%.2x:%.2x:%.2x",
- macaddr[0], macaddr[1], macaddr[2],
- macaddr[3], macaddr[4], macaddr[5]);
-}
-
-void qemu_format_nic_info_str(NetClientState *nc, uint8_t macaddr[6])
-{
- snprintf(nc->info_str, sizeof(nc->info_str),
- "model=%s,macaddr=%02x:%02x:%02x:%02x:%02x:%02x",
- nc->model,
- macaddr[0], macaddr[1], macaddr[2],
- macaddr[3], macaddr[4], macaddr[5]);
-}
-
-static int mac_table[256] = {0};
-
-static void qemu_macaddr_set_used(MACAddr *macaddr)
-{
- int index;
-
- for (index = 0x56; index < 0xFF; index++) {
- if (macaddr->a[5] == index) {
- mac_table[index]++;
- }
- }
-}
-
-static void qemu_macaddr_set_free(MACAddr *macaddr)
-{
- int index;
- static const MACAddr base = { .a = { 0x52, 0x54, 0x00, 0x12, 0x34, 0 } };
-
- if (memcmp(macaddr->a, &base.a, (sizeof(base.a) - 1)) != 0) {
- return;
- }
- for (index = 0x56; index < 0xFF; index++) {
- if (macaddr->a[5] == index) {
- mac_table[index]--;
- }
- }
-}
-
-static int qemu_macaddr_get_free(void)
-{
- int index;
-
- for (index = 0x56; index < 0xFF; index++) {
- if (mac_table[index] == 0) {
- return index;
- }
- }
-
- return -1;
-}
-
-void qemu_macaddr_default_if_unset(MACAddr *macaddr)
-{
- static const MACAddr zero = { .a = { 0,0,0,0,0,0 } };
- static const MACAddr base = { .a = { 0x52, 0x54, 0x00, 0x12, 0x34, 0 } };
-
- if (memcmp(macaddr, &zero, sizeof(zero)) != 0) {
- if (memcmp(macaddr->a, &base.a, (sizeof(base.a) - 1)) != 0) {
- return;
- } else {
- qemu_macaddr_set_used(macaddr);
- return;
- }
- }
-
- macaddr->a[0] = 0x52;
- macaddr->a[1] = 0x54;
- macaddr->a[2] = 0x00;
- macaddr->a[3] = 0x12;
- macaddr->a[4] = 0x34;
- macaddr->a[5] = qemu_macaddr_get_free();
- qemu_macaddr_set_used(macaddr);
-}
-
-/**
- * Generate a name for net client
- *
- * Only net clients created with the legacy -net option and NICs need this.
- */
-static char *assign_name(NetClientState *nc1, const char *model)
-{
- NetClientState *nc;
- int id = 0;
-
- QTAILQ_FOREACH(nc, &net_clients, next) {
- if (nc == nc1) {
- continue;
- }
- if (strcmp(nc->model, model) == 0) {
- id++;
- }
- }
-
- return g_strdup_printf("%s.%d", model, id);
-}
-
-static void qemu_net_client_destructor(NetClientState *nc)
-{
- g_free(nc);
-}
-
-static void qemu_net_client_setup(NetClientState *nc,
- NetClientInfo *info,
- NetClientState *peer,
- const char *model,
- const char *name,
- NetClientDestructor *destructor)
-{
- nc->info = info;
- nc->model = g_strdup(model);
- if (name) {
- nc->name = g_strdup(name);
- } else {
- nc->name = assign_name(nc, model);
- }
-
- if (peer) {
- assert(!peer->peer);
- nc->peer = peer;
- peer->peer = nc;
- }
- QTAILQ_INSERT_TAIL(&net_clients, nc, next);
-
- nc->incoming_queue = qemu_new_net_queue(qemu_deliver_packet_iov, nc);
- nc->destructor = destructor;
- QTAILQ_INIT(&nc->filters);
-}
-
-NetClientState *qemu_new_net_client(NetClientInfo *info,
- NetClientState *peer,
- const char *model,
- const char *name)
-{
- NetClientState *nc;
-
- assert(info->size >= sizeof(NetClientState));
-
- nc = g_malloc0(info->size);
- qemu_net_client_setup(nc, info, peer, model, name,
- qemu_net_client_destructor);
-
- return nc;
-}
-
-NICState *qemu_new_nic(NetClientInfo *info,
- NICConf *conf,
- const char *model,
- const char *name,
- void *opaque)
-{
- NetClientState **peers = conf->peers.ncs;
- NICState *nic;
- int i, queues = MAX(1, conf->peers.queues);
-
- assert(info->type == NET_CLIENT_OPTIONS_KIND_NIC);
- assert(info->size >= sizeof(NICState));
-
- nic = g_malloc0(info->size + sizeof(NetClientState) * queues);
- nic->ncs = (void *)nic + info->size;
- nic->conf = conf;
- nic->opaque = opaque;
-
- for (i = 0; i < queues; i++) {
- qemu_net_client_setup(&nic->ncs[i], info, peers[i], model, name,
- NULL);
- nic->ncs[i].queue_index = i;
- }
-
- return nic;
-}
-
-NetClientState *qemu_get_subqueue(NICState *nic, int queue_index)
-{
- return nic->ncs + queue_index;
-}
-
-NetClientState *qemu_get_queue(NICState *nic)
-{
- return qemu_get_subqueue(nic, 0);
-}
-
-NICState *qemu_get_nic(NetClientState *nc)
-{
- NetClientState *nc0 = nc - nc->queue_index;
-
- return (NICState *)((void *)nc0 - nc->info->size);
-}
-
-void *qemu_get_nic_opaque(NetClientState *nc)
-{
- NICState *nic = qemu_get_nic(nc);
-
- return nic->opaque;
-}
-
-static void qemu_cleanup_net_client(NetClientState *nc)
-{
- QTAILQ_REMOVE(&net_clients, nc, next);
-
- if (nc->info->cleanup) {
- nc->info->cleanup(nc);
- }
-}
-
-static void qemu_free_net_client(NetClientState *nc)
-{
- if (nc->incoming_queue) {
- qemu_del_net_queue(nc->incoming_queue);
- }
- if (nc->peer) {
- nc->peer->peer = NULL;
- }
- g_free(nc->name);
- g_free(nc->model);
- if (nc->destructor) {
- nc->destructor(nc);
- }
-}
-
-void qemu_del_net_client(NetClientState *nc)
-{
- NetClientState *ncs[MAX_QUEUE_NUM];
- int queues, i;
- NetFilterState *nf, *next;
-
- assert(nc->info->type != NET_CLIENT_OPTIONS_KIND_NIC);
-
- /* If the NetClientState belongs to a multiqueue backend, we will change all
- * other NetClientStates also.
- */
- queues = qemu_find_net_clients_except(nc->name, ncs,
- NET_CLIENT_OPTIONS_KIND_NIC,
- MAX_QUEUE_NUM);
- assert(queues != 0);
-
- QTAILQ_FOREACH_SAFE(nf, &nc->filters, next, next) {
- object_unparent(OBJECT(nf));
- }
-
- /* If there is a peer NIC, delete and cleanup client, but do not free. */
- if (nc->peer && nc->peer->info->type == NET_CLIENT_OPTIONS_KIND_NIC) {
- NICState *nic = qemu_get_nic(nc->peer);
- if (nic->peer_deleted) {
- return;
- }
- nic->peer_deleted = true;
-
- for (i = 0; i < queues; i++) {
- ncs[i]->peer->link_down = true;
- }
-
- if (nc->peer->info->link_status_changed) {
- nc->peer->info->link_status_changed(nc->peer);
- }
-
- for (i = 0; i < queues; i++) {
- qemu_cleanup_net_client(ncs[i]);
- }
-
- return;
- }
-
- for (i = 0; i < queues; i++) {
- qemu_cleanup_net_client(ncs[i]);
- qemu_free_net_client(ncs[i]);
- }
-}
-
-void qemu_del_nic(NICState *nic)
-{
- int i, queues = MAX(nic->conf->peers.queues, 1);
-
- qemu_macaddr_set_free(&nic->conf->macaddr);
-
- /* If this is a peer NIC and peer has already been deleted, free it now. */
- if (nic->peer_deleted) {
- for (i = 0; i < queues; i++) {
- qemu_free_net_client(qemu_get_subqueue(nic, i)->peer);
- }
- }
-
- for (i = queues - 1; i >= 0; i--) {
- NetClientState *nc = qemu_get_subqueue(nic, i);
-
- qemu_cleanup_net_client(nc);
- qemu_free_net_client(nc);
- }
-
- g_free(nic);
-}
-
-void qemu_foreach_nic(qemu_nic_foreach func, void *opaque)
-{
- NetClientState *nc;
-
- QTAILQ_FOREACH(nc, &net_clients, next) {
- if (nc->info->type == NET_CLIENT_OPTIONS_KIND_NIC) {
- if (nc->queue_index == 0) {
- func(qemu_get_nic(nc), opaque);
- }
- }
- }
-}
-
-bool qemu_has_ufo(NetClientState *nc)
-{
- if (!nc || !nc->info->has_ufo) {
- return false;
- }
-
- return nc->info->has_ufo(nc);
-}
-
-bool qemu_has_vnet_hdr(NetClientState *nc)
-{
- if (!nc || !nc->info->has_vnet_hdr) {
- return false;
- }
-
- return nc->info->has_vnet_hdr(nc);
-}
-
-bool qemu_has_vnet_hdr_len(NetClientState *nc, int len)
-{
- if (!nc || !nc->info->has_vnet_hdr_len) {
- return false;
- }
-
- return nc->info->has_vnet_hdr_len(nc, len);
-}
-
-void qemu_using_vnet_hdr(NetClientState *nc, bool enable)
-{
- if (!nc || !nc->info->using_vnet_hdr) {
- return;
- }
-
- nc->info->using_vnet_hdr(nc, enable);
-}
-
-void qemu_set_offload(NetClientState *nc, int csum, int tso4, int tso6,
- int ecn, int ufo)
-{
- if (!nc || !nc->info->set_offload) {
- return;
- }
-
- nc->info->set_offload(nc, csum, tso4, tso6, ecn, ufo);
-}
-
-void qemu_set_vnet_hdr_len(NetClientState *nc, int len)
-{
- if (!nc || !nc->info->set_vnet_hdr_len) {
- return;
- }
-
- nc->info->set_vnet_hdr_len(nc, len);
-}
-
-int qemu_set_vnet_le(NetClientState *nc, bool is_le)
-{
-#ifdef HOST_WORDS_BIGENDIAN
- if (!nc || !nc->info->set_vnet_le) {
- return -ENOSYS;
- }
-
- return nc->info->set_vnet_le(nc, is_le);
-#else
- return 0;
-#endif
-}
-
-int qemu_set_vnet_be(NetClientState *nc, bool is_be)
-{
-#ifdef HOST_WORDS_BIGENDIAN
- return 0;
-#else
- if (!nc || !nc->info->set_vnet_be) {
- return -ENOSYS;
- }
-
- return nc->info->set_vnet_be(nc, is_be);
-#endif
-}
-
-int qemu_can_send_packet(NetClientState *sender)
-{
- int vm_running = runstate_is_running();
-
- if (!vm_running) {
- return 0;
- }
-
- if (!sender->peer) {
- return 1;
- }
-
- if (sender->peer->receive_disabled) {
- return 0;
- } else if (sender->peer->info->can_receive &&
- !sender->peer->info->can_receive(sender->peer)) {
- return 0;
- }
- return 1;
-}
-
-static ssize_t filter_receive_iov(NetClientState *nc,
- NetFilterDirection direction,
- NetClientState *sender,
- unsigned flags,
- const struct iovec *iov,
- int iovcnt,
- NetPacketSent *sent_cb)
-{
- ssize_t ret = 0;
- NetFilterState *nf = NULL;
-
- if (direction == NET_FILTER_DIRECTION_TX) {
- QTAILQ_FOREACH(nf, &nc->filters, next) {
- ret = qemu_netfilter_receive(nf, direction, sender, flags, iov,
- iovcnt, sent_cb);
- if (ret) {
- return ret;
- }
- }
- } else {
- QTAILQ_FOREACH_REVERSE(nf, &nc->filters, NetFilterHead, next) {
- ret = qemu_netfilter_receive(nf, direction, sender, flags, iov,
- iovcnt, sent_cb);
- if (ret) {
- return ret;
- }
- }
- }
-
- return ret;
-}
-
-static ssize_t filter_receive(NetClientState *nc,
- NetFilterDirection direction,
- NetClientState *sender,
- unsigned flags,
- const uint8_t *data,
- size_t size,
- NetPacketSent *sent_cb)
-{
- struct iovec iov = {
- .iov_base = (void *)data,
- .iov_len = size
- };
-
- return filter_receive_iov(nc, direction, sender, flags, &iov, 1, sent_cb);
-}
-
-void qemu_purge_queued_packets(NetClientState *nc)
-{
- if (!nc->peer) {
- return;
- }
-
- qemu_net_queue_purge(nc->peer->incoming_queue, nc);
-}
-
-static
-void qemu_flush_or_purge_queued_packets(NetClientState *nc, bool purge)
-{
- nc->receive_disabled = 0;
-
- if (nc->peer && nc->peer->info->type == NET_CLIENT_OPTIONS_KIND_HUBPORT) {
- if (net_hub_flush(nc->peer)) {
- qemu_notify_event();
- }
- }
- if (qemu_net_queue_flush(nc->incoming_queue)) {
- /* We emptied the queue successfully, signal to the IO thread to repoll
- * the file descriptor (for tap, for example).
- */
- qemu_notify_event();
- } else if (purge) {
- /* Unable to empty the queue, purge remaining packets */
- qemu_net_queue_purge(nc->incoming_queue, nc);
- }
-}
-
-void qemu_flush_queued_packets(NetClientState *nc)
-{
- qemu_flush_or_purge_queued_packets(nc, false);
-}
-
-static ssize_t qemu_send_packet_async_with_flags(NetClientState *sender,
- unsigned flags,
- const uint8_t *buf, int size,
- NetPacketSent *sent_cb)
-{
- NetQueue *queue;
- int ret;
-
-#ifdef DEBUG_NET
- printf("qemu_send_packet_async:\n");
- qemu_hexdump((const char *)buf, stdout, "net", size);
-#endif
-
- if (sender->link_down || !sender->peer) {
- return size;
- }
-
- /* Let filters handle the packet first */
- ret = filter_receive(sender, NET_FILTER_DIRECTION_TX,
- sender, flags, buf, size, sent_cb);
- if (ret) {
- return ret;
- }
-
- ret = filter_receive(sender->peer, NET_FILTER_DIRECTION_RX,
- sender, flags, buf, size, sent_cb);
- if (ret) {
- return ret;
- }
-
- queue = sender->peer->incoming_queue;
-
- return qemu_net_queue_send(queue, sender, flags, buf, size, sent_cb);
-}
-
-ssize_t qemu_send_packet_async(NetClientState *sender,
- const uint8_t *buf, int size,
- NetPacketSent *sent_cb)
-{
- return qemu_send_packet_async_with_flags(sender, QEMU_NET_PACKET_FLAG_NONE,
- buf, size, sent_cb);
-}
-
-void qemu_send_packet(NetClientState *nc, const uint8_t *buf, int size)
-{
- qemu_send_packet_async(nc, buf, size, NULL);
-}
-
-ssize_t qemu_send_packet_raw(NetClientState *nc, const uint8_t *buf, int size)
-{
- return qemu_send_packet_async_with_flags(nc, QEMU_NET_PACKET_FLAG_RAW,
- buf, size, NULL);
-}
-
-static ssize_t nc_sendv_compat(NetClientState *nc, const struct iovec *iov,
- int iovcnt, unsigned flags)
-{
- uint8_t *buf = NULL;
- uint8_t *buffer;
- size_t offset;
- ssize_t ret;
-
- if (iovcnt == 1) {
- buffer = iov[0].iov_base;
- offset = iov[0].iov_len;
- } else {
- buf = g_new(uint8_t, NET_BUFSIZE);
- buffer = buf;
- offset = iov_to_buf(iov, iovcnt, 0, buf, NET_BUFSIZE);
- }
-
- if (flags & QEMU_NET_PACKET_FLAG_RAW && nc->info->receive_raw) {
- ret = nc->info->receive_raw(nc, buffer, offset);
- } else {
- ret = nc->info->receive(nc, buffer, offset);
- }
-
- g_free(buf);
- return ret;
-}
-
-ssize_t qemu_deliver_packet_iov(NetClientState *sender,
- unsigned flags,
- const struct iovec *iov,
- int iovcnt,
- void *opaque)
-{
- NetClientState *nc = opaque;
- int ret;
-
- if (nc->link_down) {
- return iov_size(iov, iovcnt);
- }
-
- if (nc->receive_disabled) {
- return 0;
- }
-
- if (nc->info->receive_iov) {
- ret = nc->info->receive_iov(nc, iov, iovcnt);
- } else {
- ret = nc_sendv_compat(nc, iov, iovcnt, flags);
- }
-
- if (ret == 0) {
- nc->receive_disabled = 1;
- }
-
- return ret;
-}
-
-ssize_t qemu_sendv_packet_async(NetClientState *sender,
- const struct iovec *iov, int iovcnt,
- NetPacketSent *sent_cb)
-{
- NetQueue *queue;
- int ret;
-
- if (sender->link_down || !sender->peer) {
- return iov_size(iov, iovcnt);
- }
-
- /* Let filters handle the packet first */
- ret = filter_receive_iov(sender, NET_FILTER_DIRECTION_TX, sender,
- QEMU_NET_PACKET_FLAG_NONE, iov, iovcnt, sent_cb);
- if (ret) {
- return ret;
- }
-
- ret = filter_receive_iov(sender->peer, NET_FILTER_DIRECTION_RX, sender,
- QEMU_NET_PACKET_FLAG_NONE, iov, iovcnt, sent_cb);
- if (ret) {
- return ret;
- }
-
- queue = sender->peer->incoming_queue;
-
- return qemu_net_queue_send_iov(queue, sender,
- QEMU_NET_PACKET_FLAG_NONE,
- iov, iovcnt, sent_cb);
-}
-
-ssize_t
-qemu_sendv_packet(NetClientState *nc, const struct iovec *iov, int iovcnt)
-{
- return qemu_sendv_packet_async(nc, iov, iovcnt, NULL);
-}
-
-NetClientState *qemu_find_netdev(const char *id)
-{
- NetClientState *nc;
-
- QTAILQ_FOREACH(nc, &net_clients, next) {
- if (nc->info->type == NET_CLIENT_OPTIONS_KIND_NIC)
- continue;
- if (!strcmp(nc->name, id)) {
- return nc;
- }
- }
-
- return NULL;
-}
-
-int qemu_find_net_clients_except(const char *id, NetClientState **ncs,
- NetClientOptionsKind type, int max)
-{
- NetClientState *nc;
- int ret = 0;
-
- QTAILQ_FOREACH(nc, &net_clients, next) {
- if (nc->info->type == type) {
- continue;
- }
- if (!id || !strcmp(nc->name, id)) {
- if (ret < max) {
- ncs[ret] = nc;
- }
- ret++;
- }
- }
-
- return ret;
-}
-
-static int nic_get_free_idx(void)
-{
- int index;
-
- for (index = 0; index < MAX_NICS; index++)
- if (!nd_table[index].used)
- return index;
- return -1;
-}
-
-int qemu_show_nic_models(const char *arg, const char *const *models)
-{
- int i;
-
- if (!arg || !is_help_option(arg)) {
- return 0;
- }
-
- fprintf(stderr, "qemu: Supported NIC models: ");
- for (i = 0 ; models[i]; i++)
- fprintf(stderr, "%s%c", models[i], models[i+1] ? ',' : '\n');
- return 1;
-}
-
-void qemu_check_nic_model(NICInfo *nd, const char *model)
-{
- const char *models[2];
-
- models[0] = model;
- models[1] = NULL;
-
- if (qemu_show_nic_models(nd->model, models))
- exit(0);
- if (qemu_find_nic_model(nd, models, model) < 0)
- exit(1);
-}
-
-int qemu_find_nic_model(NICInfo *nd, const char * const *models,
- const char *default_model)
-{
- int i;
-
- if (!nd->model)
- nd->model = g_strdup(default_model);
-
- for (i = 0 ; models[i]; i++) {
- if (strcmp(nd->model, models[i]) == 0)
- return i;
- }
-
- error_report("Unsupported NIC model: %s", nd->model);
- return -1;
-}
-
-static int net_init_nic(const NetClientOptions *opts, const char *name,
- NetClientState *peer, Error **errp)
-{
- int idx;
- NICInfo *nd;
- const NetLegacyNicOptions *nic;
-
- assert(opts->type == NET_CLIENT_OPTIONS_KIND_NIC);
- nic = opts->u.nic.data;
-
- idx = nic_get_free_idx();
- if (idx == -1 || nb_nics >= MAX_NICS) {
- error_setg(errp, "too many NICs");
- return -1;
- }
-
- nd = &nd_table[idx];
-
- memset(nd, 0, sizeof(*nd));
-
- if (nic->has_netdev) {
- nd->netdev = qemu_find_netdev(nic->netdev);
- if (!nd->netdev) {
- error_setg(errp, "netdev '%s' not found", nic->netdev);
- return -1;
- }
- } else {
- assert(peer);
- nd->netdev = peer;
- }
- nd->name = g_strdup(name);
- if (nic->has_model) {
- nd->model = g_strdup(nic->model);
- }
- if (nic->has_addr) {
- nd->devaddr = g_strdup(nic->addr);
- }
-
- if (nic->has_macaddr &&
- net_parse_macaddr(nd->macaddr.a, nic->macaddr) < 0) {
- error_setg(errp, "invalid syntax for ethernet address");
- return -1;
- }
- if (nic->has_macaddr &&
- is_multicast_ether_addr(nd->macaddr.a)) {
- error_setg(errp,
- "NIC cannot have multicast MAC address (odd 1st byte)");
- return -1;
- }
- qemu_macaddr_default_if_unset(&nd->macaddr);
-
- if (nic->has_vectors) {
- if (nic->vectors > 0x7ffffff) {
- error_setg(errp, "invalid # of vectors: %"PRIu32, nic->vectors);
- return -1;
- }
- nd->nvectors = nic->vectors;
- } else {
- nd->nvectors = DEV_NVECTORS_UNSPECIFIED;
- }
-
- nd->used = 1;
- nb_nics++;
-
- return idx;
-}
-
-
-static int (* const net_client_init_fun[NET_CLIENT_OPTIONS_KIND__MAX])(
- const NetClientOptions *opts,
- const char *name,
- NetClientState *peer, Error **errp) = {
- [NET_CLIENT_OPTIONS_KIND_NIC] = net_init_nic,
-#ifdef CONFIG_SLIRP
- [NET_CLIENT_OPTIONS_KIND_USER] = net_init_slirp,
-#endif
- [NET_CLIENT_OPTIONS_KIND_TAP] = net_init_tap,
- [NET_CLIENT_OPTIONS_KIND_SOCKET] = net_init_socket,
-#ifdef CONFIG_VDE
- [NET_CLIENT_OPTIONS_KIND_VDE] = net_init_vde,
-#endif
-#ifdef CONFIG_NETMAP
- [NET_CLIENT_OPTIONS_KIND_NETMAP] = net_init_netmap,
-#endif
- [NET_CLIENT_OPTIONS_KIND_DUMP] = net_init_dump,
-#ifdef CONFIG_NET_BRIDGE
- [NET_CLIENT_OPTIONS_KIND_BRIDGE] = net_init_bridge,
-#endif
- [NET_CLIENT_OPTIONS_KIND_HUBPORT] = net_init_hubport,
-#ifdef CONFIG_VHOST_NET_USED
- [NET_CLIENT_OPTIONS_KIND_VHOST_USER] = net_init_vhost_user,
-#endif
-#ifdef CONFIG_L2TPV3
- [NET_CLIENT_OPTIONS_KIND_L2TPV3] = net_init_l2tpv3,
-#endif
-};
-
-
-static int net_client_init1(const void *object, int is_netdev, Error **errp)
-{
- const NetClientOptions *opts;
- const char *name;
- NetClientState *peer = NULL;
-
- if (is_netdev) {
- const Netdev *netdev = object;
- opts = netdev->opts;
- name = netdev->id;
-
- if (opts->type == NET_CLIENT_OPTIONS_KIND_DUMP ||
- opts->type == NET_CLIENT_OPTIONS_KIND_NIC ||
- !net_client_init_fun[opts->type]) {
- error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "type",
- "a netdev backend type");
- return -1;
- }
- } else {
- const NetLegacy *net = object;
- opts = net->opts;
- /* missing optional values have been initialized to "all bits zero" */
- name = net->has_id ? net->id : net->name;
-
- if (opts->type == NET_CLIENT_OPTIONS_KIND_NONE) {
- return 0; /* nothing to do */
- }
- if (opts->type == NET_CLIENT_OPTIONS_KIND_HUBPORT) {
- error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "type",
- "a net type");
- return -1;
- }
-
- if (!net_client_init_fun[opts->type]) {
- error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "type",
- "a net backend type (maybe it is not compiled "
- "into this binary)");
- return -1;
- }
-
- /* Do not add to a vlan if it's a nic with a netdev= parameter. */
- if (opts->type != NET_CLIENT_OPTIONS_KIND_NIC ||
- !opts->u.nic.data->has_netdev) {
- peer = net_hub_add_port(net->has_vlan ? net->vlan : 0, NULL);
- }
- }
-
- if (net_client_init_fun[opts->type](opts, name, peer, errp) < 0) {
- /* FIXME drop when all init functions store an Error */
- if (errp && !*errp) {
- error_setg(errp, QERR_DEVICE_INIT_FAILED,
- NetClientOptionsKind_lookup[opts->type]);
- }
- return -1;
- }
- return 0;
-}
-
-
-int net_client_init(QemuOpts *opts, int is_netdev, Error **errp)
-{
- void *object = NULL;
- Error *err = NULL;
- int ret = -1;
- OptsVisitor *ov = opts_visitor_new(opts);
- Visitor *v = opts_get_visitor(ov);
-
- {
- /* Parse convenience option format ip6-net=fec0::0[/64] */
- const char *ip6_net = qemu_opt_get(opts, "ipv6-net");
-
- if (ip6_net) {
- char buf[strlen(ip6_net) + 1];
-
- if (get_str_sep(buf, sizeof(buf), &ip6_net, '/') < 0) {
- /* Default 64bit prefix length. */
- qemu_opt_set(opts, "ipv6-prefix", ip6_net, &error_abort);
- qemu_opt_set_number(opts, "ipv6-prefixlen", 64, &error_abort);
- } else {
- /* User-specified prefix length. */
- unsigned long len;
- int err;
-
- qemu_opt_set(opts, "ipv6-prefix", buf, &error_abort);
- err = qemu_strtoul(ip6_net, NULL, 10, &len);
-
- if (err) {
- error_setg(errp, QERR_INVALID_PARAMETER_VALUE,
- "ipv6-prefix", "a number");
- } else {
- qemu_opt_set_number(opts, "ipv6-prefixlen", len,
- &error_abort);
- }
- }
- qemu_opt_unset(opts, "ipv6-net");
- }
- }
-
- if (is_netdev) {
- visit_type_Netdev(v, NULL, (Netdev **)&object, &err);
- } else {
- visit_type_NetLegacy(v, NULL, (NetLegacy **)&object, &err);
- }
-
- if (!err) {
- ret = net_client_init1(object, is_netdev, &err);
- }
-
- if (is_netdev) {
- qapi_free_Netdev(object);
- } else {
- qapi_free_NetLegacy(object);
- }
-
- error_propagate(errp, err);
- opts_visitor_cleanup(ov);
- return ret;
-}
-
-
-static int net_host_check_device(const char *device)
-{
- int i;
- for (i = 0; host_net_devices[i]; i++) {
- if (!strncmp(host_net_devices[i], device,
- strlen(host_net_devices[i]))) {
- return 1;
- }
- }
-
- return 0;
-}
-
-void hmp_host_net_add(Monitor *mon, const QDict *qdict)
-{
- const char *device = qdict_get_str(qdict, "device");
- const char *opts_str = qdict_get_try_str(qdict, "opts");
- Error *local_err = NULL;
- QemuOpts *opts;
-
- if (!net_host_check_device(device)) {
- monitor_printf(mon, "invalid host network device %s\n", device);
- return;
- }
-
- opts = qemu_opts_parse_noisily(qemu_find_opts("net"),
- opts_str ? opts_str : "", false);
- if (!opts) {
- return;
- }
-
- qemu_opt_set(opts, "type", device, &error_abort);
-
- net_client_init(opts, 0, &local_err);
- if (local_err) {
- error_report_err(local_err);
- monitor_printf(mon, "adding host network device %s failed\n", device);
- }
-}
-
-void hmp_host_net_remove(Monitor *mon, const QDict *qdict)
-{
- NetClientState *nc;
- int vlan_id = qdict_get_int(qdict, "vlan_id");
- const char *device = qdict_get_str(qdict, "device");
-
- nc = net_hub_find_client_by_name(vlan_id, device);
- if (!nc) {
- error_report("Host network device '%s' on hub '%d' not found",
- device, vlan_id);
- return;
- }
- if (nc->info->type == NET_CLIENT_OPTIONS_KIND_NIC) {
- error_report("invalid host network device '%s'", device);
- return;
- }
-
- qemu_del_net_client(nc->peer);
- qemu_del_net_client(nc);
-}
-
-void netdev_add(QemuOpts *opts, Error **errp)
-{
- net_client_init(opts, 1, errp);
-}
-
-void qmp_netdev_add(QDict *qdict, QObject **ret, Error **errp)
-{
- Error *local_err = NULL;
- QemuOptsList *opts_list;
- QemuOpts *opts;
-
- opts_list = qemu_find_opts_err("netdev", &local_err);
- if (local_err) {
- goto out;
- }
-
- opts = qemu_opts_from_qdict(opts_list, qdict, &local_err);
- if (local_err) {
- goto out;
- }
-
- netdev_add(opts, &local_err);
- if (local_err) {
- qemu_opts_del(opts);
- goto out;
- }
-
-out:
- error_propagate(errp, local_err);
-}
-
-void qmp_netdev_del(const char *id, Error **errp)
-{
- NetClientState *nc;
- QemuOpts *opts;
-
- nc = qemu_find_netdev(id);
- if (!nc) {
- error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
- "Device '%s' not found", id);
- return;
- }
-
- opts = qemu_opts_find(qemu_find_opts_err("netdev", NULL), id);
- if (!opts) {
- error_setg(errp, "Device '%s' is not a netdev", id);
- return;
- }
-
- qemu_del_net_client(nc);
- qemu_opts_del(opts);
-}
-
-static void netfilter_print_info(Monitor *mon, NetFilterState *nf)
-{
- char *str;
- ObjectProperty *prop;
- ObjectPropertyIterator iter;
- StringOutputVisitor *ov;
-
- /* generate info str */
- object_property_iter_init(&iter, OBJECT(nf));
- while ((prop = object_property_iter_next(&iter))) {
- if (!strcmp(prop->name, "type")) {
- continue;
- }
- ov = string_output_visitor_new(false);
- object_property_get(OBJECT(nf), string_output_get_visitor(ov),
- prop->name, NULL);
- str = string_output_get_string(ov);
- string_output_visitor_cleanup(ov);
- monitor_printf(mon, ",%s=%s", prop->name, str);
- g_free(str);
- }
- monitor_printf(mon, "\n");
-}
-
-void print_net_client(Monitor *mon, NetClientState *nc)
-{
- NetFilterState *nf;
-
- monitor_printf(mon, "%s: index=%d,type=%s,%s\n", nc->name,
- nc->queue_index,
- NetClientOptionsKind_lookup[nc->info->type],
- nc->info_str);
- if (!QTAILQ_EMPTY(&nc->filters)) {
- monitor_printf(mon, "filters:\n");
- }
- QTAILQ_FOREACH(nf, &nc->filters, next) {
- char *path = object_get_canonical_path_component(OBJECT(nf));
-
- monitor_printf(mon, " - %s: type=%s", path,
- object_get_typename(OBJECT(nf)));
- netfilter_print_info(mon, nf);
- g_free(path);
- }
-}
-
-RxFilterInfoList *qmp_query_rx_filter(bool has_name, const char *name,
- Error **errp)
-{
- NetClientState *nc;
- RxFilterInfoList *filter_list = NULL, *last_entry = NULL;
-
- QTAILQ_FOREACH(nc, &net_clients, next) {
- RxFilterInfoList *entry;
- RxFilterInfo *info;
-
- if (has_name && strcmp(nc->name, name) != 0) {
- continue;
- }
-
- /* only query rx-filter information of NIC */
- if (nc->info->type != NET_CLIENT_OPTIONS_KIND_NIC) {
- if (has_name) {
- error_setg(errp, "net client(%s) isn't a NIC", name);
- return NULL;
- }
- continue;
- }
-
- /* only query information on queue 0 since the info is per nic,
- * not per queue
- */
- if (nc->queue_index != 0)
- continue;
-
- if (nc->info->query_rx_filter) {
- info = nc->info->query_rx_filter(nc);
- entry = g_malloc0(sizeof(*entry));
- entry->value = info;
-
- if (!filter_list) {
- filter_list = entry;
- } else {
- last_entry->next = entry;
- }
- last_entry = entry;
- } else if (has_name) {
- error_setg(errp, "net client(%s) doesn't support"
- " rx-filter querying", name);
- return NULL;
- }
-
- if (has_name) {
- break;
- }
- }
-
- if (filter_list == NULL && has_name) {
- error_setg(errp, "invalid net client name: %s", name);
- }
-
- return filter_list;
-}
-
-void hmp_info_network(Monitor *mon, const QDict *qdict)
-{
- NetClientState *nc, *peer;
- NetClientOptionsKind type;
-
- net_hub_info(mon);
-
- QTAILQ_FOREACH(nc, &net_clients, next) {
- peer = nc->peer;
- type = nc->info->type;
-
- /* Skip if already printed in hub info */
- if (net_hub_id_for_client(nc, NULL) == 0) {
- continue;
- }
-
- if (!peer || type == NET_CLIENT_OPTIONS_KIND_NIC) {
- print_net_client(mon, nc);
- } /* else it's a netdev connected to a NIC, printed with the NIC */
- if (peer && type == NET_CLIENT_OPTIONS_KIND_NIC) {
- monitor_printf(mon, " \\ ");
- print_net_client(mon, peer);
- }
- }
-}
-
-void qmp_set_link(const char *name, bool up, Error **errp)
-{
- NetClientState *ncs[MAX_QUEUE_NUM];
- NetClientState *nc;
- int queues, i;
-
- queues = qemu_find_net_clients_except(name, ncs,
- NET_CLIENT_OPTIONS_KIND__MAX,
- MAX_QUEUE_NUM);
-
- if (queues == 0) {
- error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
- "Device '%s' not found", name);
- return;
- }
- nc = ncs[0];
-
- for (i = 0; i < queues; i++) {
- ncs[i]->link_down = !up;
- }
-
- if (nc->info->link_status_changed) {
- nc->info->link_status_changed(nc);
- }
-
- if (nc->peer) {
- /* Change peer link only if the peer is NIC and then notify peer.
- * If the peer is a HUBPORT or a backend, we do not change the
- * link status.
- *
- * This behavior is compatible with qemu vlans where there could be
- * multiple clients that can still communicate with each other in
- * disconnected mode. For now maintain this compatibility.
- */
- if (nc->peer->info->type == NET_CLIENT_OPTIONS_KIND_NIC) {
- for (i = 0; i < queues; i++) {
- ncs[i]->peer->link_down = !up;
- }
- }
- if (nc->peer->info->link_status_changed) {
- nc->peer->info->link_status_changed(nc->peer);
- }
- }
-}
-
-static void net_vm_change_state_handler(void *opaque, int running,
- RunState state)
-{
- NetClientState *nc;
- NetClientState *tmp;
-
- QTAILQ_FOREACH_SAFE(nc, &net_clients, next, tmp) {
- if (running) {
- /* Flush queued packets and wake up backends. */
- if (nc->peer && qemu_can_send_packet(nc)) {
- qemu_flush_queued_packets(nc->peer);
- }
- } else {
- /* Complete all queued packets, to guarantee we don't modify
- * state later when VM is not running.
- */
- qemu_flush_or_purge_queued_packets(nc, true);
- }
- }
-}
-
-void net_cleanup(void)
-{
- NetClientState *nc;
-
- /* We may del multiple entries during qemu_del_net_client(),
- * so QTAILQ_FOREACH_SAFE() is also not safe here.
- */
- while (!QTAILQ_EMPTY(&net_clients)) {
- nc = QTAILQ_FIRST(&net_clients);
- if (nc->info->type == NET_CLIENT_OPTIONS_KIND_NIC) {
- qemu_del_nic(qemu_get_nic(nc));
- } else {
- qemu_del_net_client(nc);
- }
- }
-
- qemu_del_vm_change_state_handler(net_change_state_entry);
-}
-
-void net_check_clients(void)
-{
- NetClientState *nc;
- int i;
-
- /* Don't warn about the default network setup that you get if
- * no command line -net or -netdev options are specified. There
- * are two cases that we would otherwise complain about:
- * (1) board doesn't support a NIC but the implicit "-net nic"
- * requested one
- * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
- * sets up a nic that isn't connected to anything.
- */
- if (default_net) {
- return;
- }
-
- net_hub_check_clients();
-
- QTAILQ_FOREACH(nc, &net_clients, next) {
- if (!nc->peer) {
- fprintf(stderr, "Warning: %s %s has no peer\n",
- nc->info->type == NET_CLIENT_OPTIONS_KIND_NIC ?
- "nic" : "netdev", nc->name);
- }
- }
-
- /* Check that all NICs requested via -net nic actually got created.
- * NICs created via -device don't need to be checked here because
- * they are always instantiated.
- */
- for (i = 0; i < MAX_NICS; i++) {
- NICInfo *nd = &nd_table[i];
- if (nd->used && !nd->instantiated) {
- fprintf(stderr, "Warning: requested NIC (%s, model %s) "
- "was not created (not supported by this machine?)\n",
- nd->name ? nd->name : "anonymous",
- nd->model ? nd->model : "unspecified");
- }
- }
-}
-
-static int net_init_client(void *dummy, QemuOpts *opts, Error **errp)
-{
- Error *local_err = NULL;
-
- net_client_init(opts, 0, &local_err);
- if (local_err) {
- error_report_err(local_err);
- return -1;
- }
-
- return 0;
-}
-
-static int net_init_netdev(void *dummy, QemuOpts *opts, Error **errp)
-{
- Error *local_err = NULL;
- int ret;
-
- ret = net_client_init(opts, 1, &local_err);
- if (local_err) {
- error_report_err(local_err);
- return -1;
- }
-
- return ret;
-}
-
-int net_init_clients(void)
-{
- QemuOptsList *net = qemu_find_opts("net");
-
- if (default_net) {
- /* if no clients, we use a default config */
- qemu_opts_set(net, NULL, "type", "nic", &error_abort);
-#ifdef CONFIG_SLIRP
- qemu_opts_set(net, NULL, "type", "user", &error_abort);
-#endif
- }
-
- net_change_state_entry =
- qemu_add_vm_change_state_handler(net_vm_change_state_handler, NULL);
-
- QTAILQ_INIT(&net_clients);
-
- if (qemu_opts_foreach(qemu_find_opts("netdev"),
- net_init_netdev, NULL, NULL)) {
- return -1;
- }
-
- if (qemu_opts_foreach(net, net_init_client, NULL, NULL)) {
- return -1;
- }
-
- return 0;
-}
-
-int net_client_parse(QemuOptsList *opts_list, const char *optarg)
-{
-#if defined(CONFIG_SLIRP)
- int ret;
- if (net_slirp_parse_legacy(opts_list, optarg, &ret)) {
- return ret;
- }
-#endif
-
- if (!qemu_opts_parse_noisily(opts_list, optarg, true)) {
- return -1;
- }
-
- default_net = 0;
- return 0;
-}
-
-/* From FreeBSD */
-/* XXX: optimize */
-unsigned compute_mcast_idx(const uint8_t *ep)
-{
- uint32_t crc;
- int carry, i, j;
- uint8_t b;
-
- crc = 0xffffffff;
- for (i = 0; i < 6; i++) {
- b = *ep++;
- for (j = 0; j < 8; j++) {
- carry = ((crc & 0x80000000L) ? 1 : 0) ^ (b & 0x01);
- crc <<= 1;
- b >>= 1;
- if (carry) {
- crc = ((crc ^ POLYNOMIAL) | carry);
- }
- }
- }
- return crc >> 26;
-}
-
-QemuOptsList qemu_netdev_opts = {
- .name = "netdev",
- .implied_opt_name = "type",
- .head = QTAILQ_HEAD_INITIALIZER(qemu_netdev_opts.head),
- .desc = {
- /*
- * no elements => accept any params
- * validation will happen later
- */
- { /* end of list */ }
- },
-};
-
-QemuOptsList qemu_net_opts = {
- .name = "net",
- .implied_opt_name = "type",
- .head = QTAILQ_HEAD_INITIALIZER(qemu_net_opts.head),
- .desc = {
- /*
- * no elements => accept any params
- * validation will happen later
- */
- { /* end of list */ }
- },
-};
diff --git a/qemu/net/netmap.c b/qemu/net/netmap.c
deleted file mode 100644
index 6cc0db5ee..000000000
--- a/qemu/net/netmap.c
+++ /dev/null
@@ -1,448 +0,0 @@
-/*
- * netmap access for qemu
- *
- * Copyright (c) 2012-2013 Luigi Rizzo
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-
-#include "qemu/osdep.h"
-#include <sys/ioctl.h>
-#include <net/if.h>
-#include <sys/mman.h>
-#define NETMAP_WITH_LIBS
-#include <net/netmap.h>
-#include <net/netmap_user.h>
-
-#include "net/net.h"
-#include "net/tap.h"
-#include "clients.h"
-#include "sysemu/sysemu.h"
-#include "qemu/error-report.h"
-#include "qapi/error.h"
-#include "qemu/iov.h"
-#include "qemu/cutils.h"
-
-typedef struct NetmapState {
- NetClientState nc;
- struct nm_desc *nmd;
- char ifname[IFNAMSIZ];
- struct netmap_ring *tx;
- struct netmap_ring *rx;
- bool read_poll;
- bool write_poll;
- struct iovec iov[IOV_MAX];
- int vnet_hdr_len; /* Current virtio-net header length. */
-} NetmapState;
-
-#ifndef __FreeBSD__
-#define pkt_copy bcopy
-#else
-/* A fast copy routine only for multiples of 64 bytes, non overlapped. */
-static inline void
-pkt_copy(const void *_src, void *_dst, int l)
-{
- const uint64_t *src = _src;
- uint64_t *dst = _dst;
- if (unlikely(l >= 1024)) {
- bcopy(src, dst, l);
- return;
- }
- for (; l > 0; l -= 64) {
- *dst++ = *src++;
- *dst++ = *src++;
- *dst++ = *src++;
- *dst++ = *src++;
- *dst++ = *src++;
- *dst++ = *src++;
- *dst++ = *src++;
- *dst++ = *src++;
- }
-}
-#endif /* __FreeBSD__ */
-
-/*
- * Open a netmap device. We assume there is only one queue
- * (which is the case for the VALE bridge).
- */
-static struct nm_desc *netmap_open(const NetdevNetmapOptions *nm_opts,
- Error **errp)
-{
- struct nm_desc *nmd;
- struct nmreq req;
-
- memset(&req, 0, sizeof(req));
-
- nmd = nm_open(nm_opts->ifname, &req, NETMAP_NO_TX_POLL,
- NULL);
- if (nmd == NULL) {
- error_setg_errno(errp, errno, "Failed to nm_open() %s",
- nm_opts->ifname);
- return NULL;
- }
-
- return nmd;
-}
-
-static void netmap_send(void *opaque);
-static void netmap_writable(void *opaque);
-
-/* Set the event-loop handlers for the netmap backend. */
-static void netmap_update_fd_handler(NetmapState *s)
-{
- qemu_set_fd_handler(s->nmd->fd,
- s->read_poll ? netmap_send : NULL,
- s->write_poll ? netmap_writable : NULL,
- s);
-}
-
-/* Update the read handler. */
-static void netmap_read_poll(NetmapState *s, bool enable)
-{
- if (s->read_poll != enable) { /* Do nothing if not changed. */
- s->read_poll = enable;
- netmap_update_fd_handler(s);
- }
-}
-
-/* Update the write handler. */
-static void netmap_write_poll(NetmapState *s, bool enable)
-{
- if (s->write_poll != enable) {
- s->write_poll = enable;
- netmap_update_fd_handler(s);
- }
-}
-
-static void netmap_poll(NetClientState *nc, bool enable)
-{
- NetmapState *s = DO_UPCAST(NetmapState, nc, nc);
-
- if (s->read_poll != enable || s->write_poll != enable) {
- s->write_poll = enable;
- s->read_poll = enable;
- netmap_update_fd_handler(s);
- }
-}
-
-/*
- * The fd_write() callback, invoked if the fd is marked as
- * writable after a poll. Unregister the handler and flush any
- * buffered packets.
- */
-static void netmap_writable(void *opaque)
-{
- NetmapState *s = opaque;
-
- netmap_write_poll(s, false);
- qemu_flush_queued_packets(&s->nc);
-}
-
-static ssize_t netmap_receive(NetClientState *nc,
- const uint8_t *buf, size_t size)
-{
- NetmapState *s = DO_UPCAST(NetmapState, nc, nc);
- struct netmap_ring *ring = s->tx;
- uint32_t i;
- uint32_t idx;
- uint8_t *dst;
-
- if (unlikely(!ring)) {
- /* Drop. */
- return size;
- }
-
- if (unlikely(size > ring->nr_buf_size)) {
- RD(5, "[netmap_receive] drop packet of size %d > %d\n",
- (int)size, ring->nr_buf_size);
- return size;
- }
-
- if (nm_ring_empty(ring)) {
- /* No available slots in the netmap TX ring. */
- netmap_write_poll(s, true);
- return 0;
- }
-
- i = ring->cur;
- idx = ring->slot[i].buf_idx;
- dst = (uint8_t *)NETMAP_BUF(ring, idx);
-
- ring->slot[i].len = size;
- ring->slot[i].flags = 0;
- pkt_copy(buf, dst, size);
- ring->cur = ring->head = nm_ring_next(ring, i);
- ioctl(s->nmd->fd, NIOCTXSYNC, NULL);
-
- return size;
-}
-
-static ssize_t netmap_receive_iov(NetClientState *nc,
- const struct iovec *iov, int iovcnt)
-{
- NetmapState *s = DO_UPCAST(NetmapState, nc, nc);
- struct netmap_ring *ring = s->tx;
- uint32_t last;
- uint32_t idx;
- uint8_t *dst;
- int j;
- uint32_t i;
-
- if (unlikely(!ring)) {
- /* Drop the packet. */
- return iov_size(iov, iovcnt);
- }
-
- last = i = ring->cur;
-
- if (nm_ring_space(ring) < iovcnt) {
- /* Not enough netmap slots. */
- netmap_write_poll(s, true);
- return 0;
- }
-
- for (j = 0; j < iovcnt; j++) {
- int iov_frag_size = iov[j].iov_len;
- int offset = 0;
- int nm_frag_size;
-
- /* Split each iovec fragment over more netmap slots, if
- necessary. */
- while (iov_frag_size) {
- nm_frag_size = MIN(iov_frag_size, ring->nr_buf_size);
-
- if (unlikely(nm_ring_empty(ring))) {
- /* We run out of netmap slots while splitting the
- iovec fragments. */
- netmap_write_poll(s, true);
- return 0;
- }
-
- idx = ring->slot[i].buf_idx;
- dst = (uint8_t *)NETMAP_BUF(ring, idx);
-
- ring->slot[i].len = nm_frag_size;
- ring->slot[i].flags = NS_MOREFRAG;
- pkt_copy(iov[j].iov_base + offset, dst, nm_frag_size);
-
- last = i;
- i = nm_ring_next(ring, i);
-
- offset += nm_frag_size;
- iov_frag_size -= nm_frag_size;
- }
- }
- /* The last slot must not have NS_MOREFRAG set. */
- ring->slot[last].flags &= ~NS_MOREFRAG;
-
- /* Now update ring->cur and ring->head. */
- ring->cur = ring->head = i;
-
- ioctl(s->nmd->fd, NIOCTXSYNC, NULL);
-
- return iov_size(iov, iovcnt);
-}
-
-/* Complete a previous send (backend --> guest) and enable the
- fd_read callback. */
-static void netmap_send_completed(NetClientState *nc, ssize_t len)
-{
- NetmapState *s = DO_UPCAST(NetmapState, nc, nc);
-
- netmap_read_poll(s, true);
-}
-
-static void netmap_send(void *opaque)
-{
- NetmapState *s = opaque;
- struct netmap_ring *ring = s->rx;
-
- /* Keep sending while there are available packets into the netmap
- RX ring and the forwarding path towards the peer is open. */
- while (!nm_ring_empty(ring)) {
- uint32_t i;
- uint32_t idx;
- bool morefrag;
- int iovcnt = 0;
- int iovsize;
-
- do {
- i = ring->cur;
- idx = ring->slot[i].buf_idx;
- morefrag = (ring->slot[i].flags & NS_MOREFRAG);
- s->iov[iovcnt].iov_base = (u_char *)NETMAP_BUF(ring, idx);
- s->iov[iovcnt].iov_len = ring->slot[i].len;
- iovcnt++;
-
- ring->cur = ring->head = nm_ring_next(ring, i);
- } while (!nm_ring_empty(ring) && morefrag);
-
- if (unlikely(nm_ring_empty(ring) && morefrag)) {
- RD(5, "[netmap_send] ran out of slots, with a pending"
- "incomplete packet\n");
- }
-
- iovsize = qemu_sendv_packet_async(&s->nc, s->iov, iovcnt,
- netmap_send_completed);
-
- if (iovsize == 0) {
- /* The peer does not receive anymore. Packet is queued, stop
- * reading from the backend until netmap_send_completed()
- */
- netmap_read_poll(s, false);
- break;
- }
- }
-}
-
-/* Flush and close. */
-static void netmap_cleanup(NetClientState *nc)
-{
- NetmapState *s = DO_UPCAST(NetmapState, nc, nc);
-
- qemu_purge_queued_packets(nc);
-
- netmap_poll(nc, false);
- nm_close(s->nmd);
- s->nmd = NULL;
-}
-
-/* Offloading manipulation support callbacks. */
-static int netmap_fd_set_vnet_hdr_len(NetmapState *s, int len)
-{
- struct nmreq req;
-
- /* Issue a NETMAP_BDG_VNET_HDR command to change the virtio-net header
- * length for the netmap adapter associated to 's->ifname'.
- */
- memset(&req, 0, sizeof(req));
- pstrcpy(req.nr_name, sizeof(req.nr_name), s->ifname);
- req.nr_version = NETMAP_API;
- req.nr_cmd = NETMAP_BDG_VNET_HDR;
- req.nr_arg1 = len;
-
- return ioctl(s->nmd->fd, NIOCREGIF, &req);
-}
-
-static bool netmap_has_vnet_hdr_len(NetClientState *nc, int len)
-{
- NetmapState *s = DO_UPCAST(NetmapState, nc, nc);
- int prev_len = s->vnet_hdr_len;
-
- /* Check that we can set the new length. */
- if (netmap_fd_set_vnet_hdr_len(s, len)) {
- return false;
- }
-
- /* Restore the previous length. */
- if (netmap_fd_set_vnet_hdr_len(s, prev_len)) {
- error_report("Failed to restore vnet-hdr length %d on %s: %s",
- prev_len, s->ifname, strerror(errno));
- abort();
- }
-
- return true;
-}
-
-/* A netmap interface that supports virtio-net headers always
- * supports UFO, so we use this callback also for the has_ufo hook. */
-static bool netmap_has_vnet_hdr(NetClientState *nc)
-{
- return netmap_has_vnet_hdr_len(nc, sizeof(struct virtio_net_hdr));
-}
-
-static void netmap_using_vnet_hdr(NetClientState *nc, bool enable)
-{
-}
-
-static void netmap_set_vnet_hdr_len(NetClientState *nc, int len)
-{
- NetmapState *s = DO_UPCAST(NetmapState, nc, nc);
- int err;
-
- err = netmap_fd_set_vnet_hdr_len(s, len);
- if (err) {
- error_report("Unable to set vnet-hdr length %d on %s: %s",
- len, s->ifname, strerror(errno));
- } else {
- /* Keep track of the current length. */
- s->vnet_hdr_len = len;
- }
-}
-
-static void netmap_set_offload(NetClientState *nc, int csum, int tso4, int tso6,
- int ecn, int ufo)
-{
- NetmapState *s = DO_UPCAST(NetmapState, nc, nc);
-
- /* Setting a virtio-net header length greater than zero automatically
- * enables the offloadings. */
- if (!s->vnet_hdr_len) {
- netmap_set_vnet_hdr_len(nc, sizeof(struct virtio_net_hdr));
- }
-}
-
-/* NetClientInfo methods */
-static NetClientInfo net_netmap_info = {
- .type = NET_CLIENT_OPTIONS_KIND_NETMAP,
- .size = sizeof(NetmapState),
- .receive = netmap_receive,
- .receive_iov = netmap_receive_iov,
- .poll = netmap_poll,
- .cleanup = netmap_cleanup,
- .has_ufo = netmap_has_vnet_hdr,
- .has_vnet_hdr = netmap_has_vnet_hdr,
- .has_vnet_hdr_len = netmap_has_vnet_hdr_len,
- .using_vnet_hdr = netmap_using_vnet_hdr,
- .set_offload = netmap_set_offload,
- .set_vnet_hdr_len = netmap_set_vnet_hdr_len,
-};
-
-/* The exported init function
- *
- * ... -net netmap,ifname="..."
- */
-int net_init_netmap(const NetClientOptions *opts,
- const char *name, NetClientState *peer, Error **errp)
-{
- const NetdevNetmapOptions *netmap_opts = opts->u.netmap.data;
- struct nm_desc *nmd;
- NetClientState *nc;
- Error *err = NULL;
- NetmapState *s;
-
- nmd = netmap_open(netmap_opts, &err);
- if (err) {
- error_propagate(errp, err);
- return -1;
- }
- /* Create the object. */
- nc = qemu_new_net_client(&net_netmap_info, peer, "netmap", name);
- s = DO_UPCAST(NetmapState, nc, nc);
- s->nmd = nmd;
- s->tx = NETMAP_TXRING(nmd->nifp, 0);
- s->rx = NETMAP_RXRING(nmd->nifp, 0);
- s->vnet_hdr_len = 0;
- pstrcpy(s->ifname, sizeof(s->ifname), netmap_opts->ifname);
- netmap_read_poll(s, true); /* Initially only poll for reads. */
-
- return 0;
-}
-
diff --git a/qemu/net/queue.c b/qemu/net/queue.c
deleted file mode 100644
index 9c32abdb8..000000000
--- a/qemu/net/queue.c
+++ /dev/null
@@ -1,279 +0,0 @@
-/*
- * Copyright (c) 2003-2008 Fabrice Bellard
- * Copyright (c) 2009 Red Hat, Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#include "qemu/osdep.h"
-#include "net/queue.h"
-#include "qemu/queue.h"
-#include "net/net.h"
-
-/* The delivery handler may only return zero if it will call
- * qemu_net_queue_flush() when it determines that it is once again able
- * to deliver packets. It must also call qemu_net_queue_purge() in its
- * cleanup path.
- *
- * If a sent callback is provided to send(), the caller must handle a
- * zero return from the delivery handler by not sending any more packets
- * until we have invoked the callback. Only in that case will we queue
- * the packet.
- *
- * If a sent callback isn't provided, we just drop the packet to avoid
- * unbounded queueing.
- */
-
-struct NetPacket {
- QTAILQ_ENTRY(NetPacket) entry;
- NetClientState *sender;
- unsigned flags;
- int size;
- NetPacketSent *sent_cb;
- uint8_t data[0];
-};
-
-struct NetQueue {
- void *opaque;
- uint32_t nq_maxlen;
- uint32_t nq_count;
- NetQueueDeliverFunc *deliver;
-
- QTAILQ_HEAD(packets, NetPacket) packets;
-
- unsigned delivering : 1;
-};
-
-NetQueue *qemu_new_net_queue(NetQueueDeliverFunc *deliver, void *opaque)
-{
- NetQueue *queue;
-
- queue = g_new0(NetQueue, 1);
-
- queue->opaque = opaque;
- queue->nq_maxlen = 10000;
- queue->nq_count = 0;
- queue->deliver = deliver;
-
- QTAILQ_INIT(&queue->packets);
-
- queue->delivering = 0;
-
- return queue;
-}
-
-void qemu_del_net_queue(NetQueue *queue)
-{
- NetPacket *packet, *next;
-
- QTAILQ_FOREACH_SAFE(packet, &queue->packets, entry, next) {
- QTAILQ_REMOVE(&queue->packets, packet, entry);
- g_free(packet);
- }
-
- g_free(queue);
-}
-
-static void qemu_net_queue_append(NetQueue *queue,
- NetClientState *sender,
- unsigned flags,
- const uint8_t *buf,
- size_t size,
- NetPacketSent *sent_cb)
-{
- NetPacket *packet;
-
- if (queue->nq_count >= queue->nq_maxlen && !sent_cb) {
- return; /* drop if queue full and no callback */
- }
- packet = g_malloc(sizeof(NetPacket) + size);
- packet->sender = sender;
- packet->flags = flags;
- packet->size = size;
- packet->sent_cb = sent_cb;
- memcpy(packet->data, buf, size);
-
- queue->nq_count++;
- QTAILQ_INSERT_TAIL(&queue->packets, packet, entry);
-}
-
-void qemu_net_queue_append_iov(NetQueue *queue,
- NetClientState *sender,
- unsigned flags,
- const struct iovec *iov,
- int iovcnt,
- NetPacketSent *sent_cb)
-{
- NetPacket *packet;
- size_t max_len = 0;
- int i;
-
- if (queue->nq_count >= queue->nq_maxlen && !sent_cb) {
- return; /* drop if queue full and no callback */
- }
- for (i = 0; i < iovcnt; i++) {
- max_len += iov[i].iov_len;
- }
-
- packet = g_malloc(sizeof(NetPacket) + max_len);
- packet->sender = sender;
- packet->sent_cb = sent_cb;
- packet->flags = flags;
- packet->size = 0;
-
- for (i = 0; i < iovcnt; i++) {
- size_t len = iov[i].iov_len;
-
- memcpy(packet->data + packet->size, iov[i].iov_base, len);
- packet->size += len;
- }
-
- queue->nq_count++;
- QTAILQ_INSERT_TAIL(&queue->packets, packet, entry);
-}
-
-static ssize_t qemu_net_queue_deliver(NetQueue *queue,
- NetClientState *sender,
- unsigned flags,
- const uint8_t *data,
- size_t size)
-{
- ssize_t ret = -1;
- struct iovec iov = {
- .iov_base = (void *)data,
- .iov_len = size
- };
-
- queue->delivering = 1;
- ret = queue->deliver(sender, flags, &iov, 1, queue->opaque);
- queue->delivering = 0;
-
- return ret;
-}
-
-static ssize_t qemu_net_queue_deliver_iov(NetQueue *queue,
- NetClientState *sender,
- unsigned flags,
- const struct iovec *iov,
- int iovcnt)
-{
- ssize_t ret = -1;
-
- queue->delivering = 1;
- ret = queue->deliver(sender, flags, iov, iovcnt, queue->opaque);
- queue->delivering = 0;
-
- return ret;
-}
-
-ssize_t qemu_net_queue_send(NetQueue *queue,
- NetClientState *sender,
- unsigned flags,
- const uint8_t *data,
- size_t size,
- NetPacketSent *sent_cb)
-{
- ssize_t ret;
-
- if (queue->delivering || !qemu_can_send_packet(sender)) {
- qemu_net_queue_append(queue, sender, flags, data, size, sent_cb);
- return 0;
- }
-
- ret = qemu_net_queue_deliver(queue, sender, flags, data, size);
- if (ret == 0) {
- qemu_net_queue_append(queue, sender, flags, data, size, sent_cb);
- return 0;
- }
-
- qemu_net_queue_flush(queue);
-
- return ret;
-}
-
-ssize_t qemu_net_queue_send_iov(NetQueue *queue,
- NetClientState *sender,
- unsigned flags,
- const struct iovec *iov,
- int iovcnt,
- NetPacketSent *sent_cb)
-{
- ssize_t ret;
-
- if (queue->delivering || !qemu_can_send_packet(sender)) {
- qemu_net_queue_append_iov(queue, sender, flags, iov, iovcnt, sent_cb);
- return 0;
- }
-
- ret = qemu_net_queue_deliver_iov(queue, sender, flags, iov, iovcnt);
- if (ret == 0) {
- qemu_net_queue_append_iov(queue, sender, flags, iov, iovcnt, sent_cb);
- return 0;
- }
-
- qemu_net_queue_flush(queue);
-
- return ret;
-}
-
-void qemu_net_queue_purge(NetQueue *queue, NetClientState *from)
-{
- NetPacket *packet, *next;
-
- QTAILQ_FOREACH_SAFE(packet, &queue->packets, entry, next) {
- if (packet->sender == from) {
- QTAILQ_REMOVE(&queue->packets, packet, entry);
- queue->nq_count--;
- if (packet->sent_cb) {
- packet->sent_cb(packet->sender, 0);
- }
- g_free(packet);
- }
- }
-}
-
-bool qemu_net_queue_flush(NetQueue *queue)
-{
- while (!QTAILQ_EMPTY(&queue->packets)) {
- NetPacket *packet;
- int ret;
-
- packet = QTAILQ_FIRST(&queue->packets);
- QTAILQ_REMOVE(&queue->packets, packet, entry);
- queue->nq_count--;
-
- ret = qemu_net_queue_deliver(queue,
- packet->sender,
- packet->flags,
- packet->data,
- packet->size);
- if (ret == 0) {
- queue->nq_count++;
- QTAILQ_INSERT_HEAD(&queue->packets, packet, entry);
- return false;
- }
-
- if (packet->sent_cb) {
- packet->sent_cb(packet->sender, ret);
- }
-
- g_free(packet);
- }
- return true;
-}
diff --git a/qemu/net/slirp.c b/qemu/net/slirp.c
deleted file mode 100644
index 31630f005..000000000
--- a/qemu/net/slirp.c
+++ /dev/null
@@ -1,902 +0,0 @@
-/*
- * QEMU System Emulator
- *
- * Copyright (c) 2003-2008 Fabrice Bellard
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-#include "qemu/osdep.h"
-#include "net/slirp.h"
-
-
-#ifndef _WIN32
-#include <pwd.h>
-#include <sys/wait.h>
-#endif
-#include "net/net.h"
-#include "clients.h"
-#include "hub.h"
-#include "monitor/monitor.h"
-#include "qemu/error-report.h"
-#include "qemu/sockets.h"
-#include "slirp/libslirp.h"
-#include "slirp/ip6.h"
-#include "sysemu/char.h"
-#include "qemu/cutils.h"
-
-static int get_str_sep(char *buf, int buf_size, const char **pp, int sep)
-{
- const char *p, *p1;
- int len;
- p = *pp;
- p1 = strchr(p, sep);
- if (!p1)
- return -1;
- len = p1 - p;
- p1++;
- if (buf_size > 0) {
- if (len > buf_size - 1)
- len = buf_size - 1;
- memcpy(buf, p, len);
- buf[len] = '\0';
- }
- *pp = p1;
- return 0;
-}
-
-/* slirp network adapter */
-
-#define SLIRP_CFG_HOSTFWD 1
-#define SLIRP_CFG_LEGACY 2
-
-struct slirp_config_str {
- struct slirp_config_str *next;
- int flags;
- char str[1024];
- int legacy_format;
-};
-
-typedef struct SlirpState {
- NetClientState nc;
- QTAILQ_ENTRY(SlirpState) entry;
- Slirp *slirp;
-#ifndef _WIN32
- char smb_dir[128];
-#endif
-} SlirpState;
-
-static struct slirp_config_str *slirp_configs;
-const char *legacy_tftp_prefix;
-const char *legacy_bootp_filename;
-static QTAILQ_HEAD(slirp_stacks, SlirpState) slirp_stacks =
- QTAILQ_HEAD_INITIALIZER(slirp_stacks);
-
-static int slirp_hostfwd(SlirpState *s, const char *redir_str,
- int legacy_format);
-static int slirp_guestfwd(SlirpState *s, const char *config_str,
- int legacy_format);
-
-#ifndef _WIN32
-static const char *legacy_smb_export;
-
-static int slirp_smb(SlirpState *s, const char *exported_dir,
- struct in_addr vserver_addr);
-static void slirp_smb_cleanup(SlirpState *s);
-#else
-static inline void slirp_smb_cleanup(SlirpState *s) { }
-#endif
-
-void slirp_output(void *opaque, const uint8_t *pkt, int pkt_len)
-{
- SlirpState *s = opaque;
-
- qemu_send_packet(&s->nc, pkt, pkt_len);
-}
-
-static ssize_t net_slirp_receive(NetClientState *nc, const uint8_t *buf, size_t size)
-{
- SlirpState *s = DO_UPCAST(SlirpState, nc, nc);
-
- slirp_input(s->slirp, buf, size);
-
- return size;
-}
-
-static void net_slirp_cleanup(NetClientState *nc)
-{
- SlirpState *s = DO_UPCAST(SlirpState, nc, nc);
-
- slirp_cleanup(s->slirp);
- slirp_smb_cleanup(s);
- QTAILQ_REMOVE(&slirp_stacks, s, entry);
-}
-
-static NetClientInfo net_slirp_info = {
- .type = NET_CLIENT_OPTIONS_KIND_USER,
- .size = sizeof(SlirpState),
- .receive = net_slirp_receive,
- .cleanup = net_slirp_cleanup,
-};
-
-static int net_slirp_init(NetClientState *peer, const char *model,
- const char *name, int restricted,
- bool ipv4, const char *vnetwork, const char *vhost,
- bool ipv6, const char *vprefix6, int vprefix6_len,
- const char *vhost6,
- const char *vhostname, const char *tftp_export,
- const char *bootfile, const char *vdhcp_start,
- const char *vnameserver, const char *vnameserver6,
- const char *smb_export, const char *vsmbserver,
- const char **dnssearch)
-{
- /* default settings according to historic slirp */
- struct in_addr net = { .s_addr = htonl(0x0a000200) }; /* 10.0.2.0 */
- struct in_addr mask = { .s_addr = htonl(0xffffff00) }; /* 255.255.255.0 */
- struct in_addr host = { .s_addr = htonl(0x0a000202) }; /* 10.0.2.2 */
- struct in_addr dhcp = { .s_addr = htonl(0x0a00020f) }; /* 10.0.2.15 */
- struct in_addr dns = { .s_addr = htonl(0x0a000203) }; /* 10.0.2.3 */
- struct in6_addr ip6_prefix;
- struct in6_addr ip6_host;
- struct in6_addr ip6_dns;
-#ifndef _WIN32
- struct in_addr smbsrv = { .s_addr = 0 };
-#endif
- NetClientState *nc;
- SlirpState *s;
- char buf[20];
- uint32_t addr;
- int shift;
- char *end;
- struct slirp_config_str *config;
-
- if (!ipv4 && (vnetwork || vhost || vnameserver)) {
- return -1;
- }
-
- if (!ipv6 && (vprefix6 || vhost6 || vnameserver6)) {
- return -1;
- }
-
- if (!ipv4 && !ipv6) {
- /* It doesn't make sense to disable both */
- return -1;
- }
-
- if (!tftp_export) {
- tftp_export = legacy_tftp_prefix;
- }
- if (!bootfile) {
- bootfile = legacy_bootp_filename;
- }
-
- if (vnetwork) {
- if (get_str_sep(buf, sizeof(buf), &vnetwork, '/') < 0) {
- if (!inet_aton(vnetwork, &net)) {
- return -1;
- }
- addr = ntohl(net.s_addr);
- if (!(addr & 0x80000000)) {
- mask.s_addr = htonl(0xff000000); /* class A */
- } else if ((addr & 0xfff00000) == 0xac100000) {
- mask.s_addr = htonl(0xfff00000); /* priv. 172.16.0.0/12 */
- } else if ((addr & 0xc0000000) == 0x80000000) {
- mask.s_addr = htonl(0xffff0000); /* class B */
- } else if ((addr & 0xffff0000) == 0xc0a80000) {
- mask.s_addr = htonl(0xffff0000); /* priv. 192.168.0.0/16 */
- } else if ((addr & 0xffff0000) == 0xc6120000) {
- mask.s_addr = htonl(0xfffe0000); /* tests 198.18.0.0/15 */
- } else if ((addr & 0xe0000000) == 0xe0000000) {
- mask.s_addr = htonl(0xffffff00); /* class C */
- } else {
- mask.s_addr = htonl(0xfffffff0); /* multicast/reserved */
- }
- } else {
- if (!inet_aton(buf, &net)) {
- return -1;
- }
- shift = strtol(vnetwork, &end, 10);
- if (*end != '\0') {
- if (!inet_aton(vnetwork, &mask)) {
- return -1;
- }
- } else if (shift < 4 || shift > 32) {
- return -1;
- } else {
- mask.s_addr = htonl(0xffffffff << (32 - shift));
- }
- }
- net.s_addr &= mask.s_addr;
- host.s_addr = net.s_addr | (htonl(0x0202) & ~mask.s_addr);
- dhcp.s_addr = net.s_addr | (htonl(0x020f) & ~mask.s_addr);
- dns.s_addr = net.s_addr | (htonl(0x0203) & ~mask.s_addr);
- }
-
- if (vhost && !inet_aton(vhost, &host)) {
- return -1;
- }
- if ((host.s_addr & mask.s_addr) != net.s_addr) {
- return -1;
- }
-
- if (vnameserver && !inet_aton(vnameserver, &dns)) {
- return -1;
- }
- if ((dns.s_addr & mask.s_addr) != net.s_addr ||
- dns.s_addr == host.s_addr) {
- return -1;
- }
-
- if (vdhcp_start && !inet_aton(vdhcp_start, &dhcp)) {
- return -1;
- }
- if ((dhcp.s_addr & mask.s_addr) != net.s_addr ||
- dhcp.s_addr == host.s_addr || dhcp.s_addr == dns.s_addr) {
- return -1;
- }
-
-#ifndef _WIN32
- if (vsmbserver && !inet_aton(vsmbserver, &smbsrv)) {
- return -1;
- }
-#endif
-
-#if defined(_WIN32) && (_WIN32_WINNT < 0x0600)
- /* No inet_pton helper before Vista... */
- if (vprefix6) {
- /* Unsupported */
- return -1;
- }
- memset(&ip6_prefix, 0, sizeof(ip6_prefix));
- ip6_prefix.s6_addr[0] = 0xfe;
- ip6_prefix.s6_addr[1] = 0xc0;
-#else
- if (!vprefix6) {
- vprefix6 = "fec0::";
- }
- if (!inet_pton(AF_INET6, vprefix6, &ip6_prefix)) {
- return -1;
- }
-#endif
-
- if (!vprefix6_len) {
- vprefix6_len = 64;
- }
- if (vprefix6_len < 0 || vprefix6_len > 126) {
- return -1;
- }
-
- if (vhost6) {
-#if defined(_WIN32) && (_WIN32_WINNT < 0x0600)
- return -1;
-#else
- if (!inet_pton(AF_INET6, vhost6, &ip6_host)) {
- return -1;
- }
- if (!in6_equal_net(&ip6_prefix, &ip6_host, vprefix6_len)) {
- return -1;
- }
-#endif
- } else {
- ip6_host = ip6_prefix;
- ip6_host.s6_addr[15] |= 2;
- }
-
- if (vnameserver6) {
-#if defined(_WIN32) && (_WIN32_WINNT < 0x0600)
- return -1;
-#else
- if (!inet_pton(AF_INET6, vnameserver6, &ip6_dns)) {
- return -1;
- }
- if (!in6_equal_net(&ip6_prefix, &ip6_dns, vprefix6_len)) {
- return -1;
- }
-#endif
- } else {
- ip6_dns = ip6_prefix;
- ip6_dns.s6_addr[15] |= 3;
- }
-
-
- nc = qemu_new_net_client(&net_slirp_info, peer, model, name);
-
- snprintf(nc->info_str, sizeof(nc->info_str),
- "net=%s,restrict=%s", inet_ntoa(net),
- restricted ? "on" : "off");
-
- s = DO_UPCAST(SlirpState, nc, nc);
-
- s->slirp = slirp_init(restricted, ipv4, net, mask, host,
- ipv6, ip6_prefix, vprefix6_len, ip6_host,
- vhostname, tftp_export, bootfile, dhcp,
- dns, ip6_dns, dnssearch, s);
- QTAILQ_INSERT_TAIL(&slirp_stacks, s, entry);
-
- for (config = slirp_configs; config; config = config->next) {
- if (config->flags & SLIRP_CFG_HOSTFWD) {
- if (slirp_hostfwd(s, config->str,
- config->flags & SLIRP_CFG_LEGACY) < 0)
- goto error;
- } else {
- if (slirp_guestfwd(s, config->str,
- config->flags & SLIRP_CFG_LEGACY) < 0)
- goto error;
- }
- }
-#ifndef _WIN32
- if (!smb_export) {
- smb_export = legacy_smb_export;
- }
- if (smb_export) {
- if (slirp_smb(s, smb_export, smbsrv) < 0)
- goto error;
- }
-#endif
-
- return 0;
-
-error:
- qemu_del_net_client(nc);
- return -1;
-}
-
-static SlirpState *slirp_lookup(Monitor *mon, const char *vlan,
- const char *stack)
-{
-
- if (vlan) {
- NetClientState *nc;
- nc = net_hub_find_client_by_name(strtol(vlan, NULL, 0), stack);
- if (!nc) {
- monitor_printf(mon, "unrecognized (vlan-id, stackname) pair\n");
- return NULL;
- }
- if (strcmp(nc->model, "user")) {
- monitor_printf(mon, "invalid device specified\n");
- return NULL;
- }
- return DO_UPCAST(SlirpState, nc, nc);
- } else {
- if (QTAILQ_EMPTY(&slirp_stacks)) {
- monitor_printf(mon, "user mode network stack not in use\n");
- return NULL;
- }
- return QTAILQ_FIRST(&slirp_stacks);
- }
-}
-
-void hmp_hostfwd_remove(Monitor *mon, const QDict *qdict)
-{
- struct in_addr host_addr = { .s_addr = INADDR_ANY };
- int host_port;
- char buf[256];
- const char *src_str, *p;
- SlirpState *s;
- int is_udp = 0;
- int err;
- const char *arg1 = qdict_get_str(qdict, "arg1");
- const char *arg2 = qdict_get_try_str(qdict, "arg2");
- const char *arg3 = qdict_get_try_str(qdict, "arg3");
-
- if (arg2) {
- s = slirp_lookup(mon, arg1, arg2);
- src_str = arg3;
- } else {
- s = slirp_lookup(mon, NULL, NULL);
- src_str = arg1;
- }
- if (!s) {
- return;
- }
-
- p = src_str;
- if (!p || get_str_sep(buf, sizeof(buf), &p, ':') < 0) {
- goto fail_syntax;
- }
-
- if (!strcmp(buf, "tcp") || buf[0] == '\0') {
- is_udp = 0;
- } else if (!strcmp(buf, "udp")) {
- is_udp = 1;
- } else {
- goto fail_syntax;
- }
-
- if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) {
- goto fail_syntax;
- }
- if (buf[0] != '\0' && !inet_aton(buf, &host_addr)) {
- goto fail_syntax;
- }
-
- host_port = atoi(p);
-
- err = slirp_remove_hostfwd(s->slirp, is_udp, host_addr, host_port);
-
- monitor_printf(mon, "host forwarding rule for %s %s\n", src_str,
- err ? "not found" : "removed");
- return;
-
- fail_syntax:
- monitor_printf(mon, "invalid format\n");
-}
-
-static int slirp_hostfwd(SlirpState *s, const char *redir_str,
- int legacy_format)
-{
- struct in_addr host_addr = { .s_addr = INADDR_ANY };
- struct in_addr guest_addr = { .s_addr = 0 };
- int host_port, guest_port;
- const char *p;
- char buf[256];
- int is_udp;
- char *end;
-
- p = redir_str;
- if (!p || get_str_sep(buf, sizeof(buf), &p, ':') < 0) {
- goto fail_syntax;
- }
- if (!strcmp(buf, "tcp") || buf[0] == '\0') {
- is_udp = 0;
- } else if (!strcmp(buf, "udp")) {
- is_udp = 1;
- } else {
- goto fail_syntax;
- }
-
- if (!legacy_format) {
- if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) {
- goto fail_syntax;
- }
- if (buf[0] != '\0' && !inet_aton(buf, &host_addr)) {
- goto fail_syntax;
- }
- }
-
- if (get_str_sep(buf, sizeof(buf), &p, legacy_format ? ':' : '-') < 0) {
- goto fail_syntax;
- }
- host_port = strtol(buf, &end, 0);
- if (*end != '\0' || host_port < 1 || host_port > 65535) {
- goto fail_syntax;
- }
-
- if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) {
- goto fail_syntax;
- }
- if (buf[0] != '\0' && !inet_aton(buf, &guest_addr)) {
- goto fail_syntax;
- }
-
- guest_port = strtol(p, &end, 0);
- if (*end != '\0' || guest_port < 1 || guest_port > 65535) {
- goto fail_syntax;
- }
-
- if (slirp_add_hostfwd(s->slirp, is_udp, host_addr, host_port, guest_addr,
- guest_port) < 0) {
- error_report("could not set up host forwarding rule '%s'",
- redir_str);
- return -1;
- }
- return 0;
-
- fail_syntax:
- error_report("invalid host forwarding rule '%s'", redir_str);
- return -1;
-}
-
-void hmp_hostfwd_add(Monitor *mon, const QDict *qdict)
-{
- const char *redir_str;
- SlirpState *s;
- const char *arg1 = qdict_get_str(qdict, "arg1");
- const char *arg2 = qdict_get_try_str(qdict, "arg2");
- const char *arg3 = qdict_get_try_str(qdict, "arg3");
-
- if (arg2) {
- s = slirp_lookup(mon, arg1, arg2);
- redir_str = arg3;
- } else {
- s = slirp_lookup(mon, NULL, NULL);
- redir_str = arg1;
- }
- if (s) {
- slirp_hostfwd(s, redir_str, 0);
- }
-
-}
-
-int net_slirp_redir(const char *redir_str)
-{
- struct slirp_config_str *config;
-
- if (QTAILQ_EMPTY(&slirp_stacks)) {
- config = g_malloc(sizeof(*config));
- pstrcpy(config->str, sizeof(config->str), redir_str);
- config->flags = SLIRP_CFG_HOSTFWD | SLIRP_CFG_LEGACY;
- config->next = slirp_configs;
- slirp_configs = config;
- return 0;
- }
-
- return slirp_hostfwd(QTAILQ_FIRST(&slirp_stacks), redir_str, 1);
-}
-
-#ifndef _WIN32
-
-/* automatic user mode samba server configuration */
-static void slirp_smb_cleanup(SlirpState *s)
-{
- char cmd[128];
- int ret;
-
- if (s->smb_dir[0] != '\0') {
- snprintf(cmd, sizeof(cmd), "rm -rf %s", s->smb_dir);
- ret = system(cmd);
- if (ret == -1 || !WIFEXITED(ret)) {
- error_report("'%s' failed.", cmd);
- } else if (WEXITSTATUS(ret)) {
- error_report("'%s' failed. Error code: %d",
- cmd, WEXITSTATUS(ret));
- }
- s->smb_dir[0] = '\0';
- }
-}
-
-static int slirp_smb(SlirpState* s, const char *exported_dir,
- struct in_addr vserver_addr)
-{
- char smb_conf[128];
- char smb_cmdline[128];
- struct passwd *passwd;
- FILE *f;
-
- passwd = getpwuid(geteuid());
- if (!passwd) {
- error_report("failed to retrieve user name");
- return -1;
- }
-
- if (access(CONFIG_SMBD_COMMAND, F_OK)) {
- error_report("could not find '%s', please install it",
- CONFIG_SMBD_COMMAND);
- return -1;
- }
-
- if (access(exported_dir, R_OK | X_OK)) {
- error_report("error accessing shared directory '%s': %s",
- exported_dir, strerror(errno));
- return -1;
- }
-
- snprintf(s->smb_dir, sizeof(s->smb_dir), "/tmp/qemu-smb.XXXXXX");
- if (!mkdtemp(s->smb_dir)) {
- error_report("could not create samba server dir '%s'", s->smb_dir);
- s->smb_dir[0] = 0;
- return -1;
- }
- snprintf(smb_conf, sizeof(smb_conf), "%s/%s", s->smb_dir, "smb.conf");
-
- f = fopen(smb_conf, "w");
- if (!f) {
- slirp_smb_cleanup(s);
- error_report("could not create samba server configuration file '%s'",
- smb_conf);
- return -1;
- }
- fprintf(f,
- "[global]\n"
- "private dir=%s\n"
- "interfaces=127.0.0.1\n"
- "bind interfaces only=yes\n"
- "pid directory=%s\n"
- "lock directory=%s\n"
- "state directory=%s\n"
- "cache directory=%s\n"
- "ncalrpc dir=%s/ncalrpc\n"
- "log file=%s/log.smbd\n"
- "smb passwd file=%s/smbpasswd\n"
- "security = user\n"
- "map to guest = Bad User\n"
- "load printers = no\n"
- "printing = bsd\n"
- "disable spoolss = yes\n"
- "usershare max shares = 0\n"
- "[qemu]\n"
- "path=%s\n"
- "read only=no\n"
- "guest ok=yes\n"
- "force user=%s\n",
- s->smb_dir,
- s->smb_dir,
- s->smb_dir,
- s->smb_dir,
- s->smb_dir,
- s->smb_dir,
- s->smb_dir,
- s->smb_dir,
- exported_dir,
- passwd->pw_name
- );
- fclose(f);
-
- snprintf(smb_cmdline, sizeof(smb_cmdline), "%s -l %s -s %s",
- CONFIG_SMBD_COMMAND, s->smb_dir, smb_conf);
-
- if (slirp_add_exec(s->slirp, 0, smb_cmdline, &vserver_addr, 139) < 0 ||
- slirp_add_exec(s->slirp, 0, smb_cmdline, &vserver_addr, 445) < 0) {
- slirp_smb_cleanup(s);
- error_report("conflicting/invalid smbserver address");
- return -1;
- }
- return 0;
-}
-
-/* automatic user mode samba server configuration (legacy interface) */
-int net_slirp_smb(const char *exported_dir)
-{
- struct in_addr vserver_addr = { .s_addr = 0 };
-
- if (legacy_smb_export) {
- fprintf(stderr, "-smb given twice\n");
- return -1;
- }
- legacy_smb_export = exported_dir;
- if (!QTAILQ_EMPTY(&slirp_stacks)) {
- return slirp_smb(QTAILQ_FIRST(&slirp_stacks), exported_dir,
- vserver_addr);
- }
- return 0;
-}
-
-#endif /* !defined(_WIN32) */
-
-struct GuestFwd {
- CharDriverState *hd;
- struct in_addr server;
- int port;
- Slirp *slirp;
-};
-
-static int guestfwd_can_read(void *opaque)
-{
- struct GuestFwd *fwd = opaque;
- return slirp_socket_can_recv(fwd->slirp, fwd->server, fwd->port);
-}
-
-static void guestfwd_read(void *opaque, const uint8_t *buf, int size)
-{
- struct GuestFwd *fwd = opaque;
- slirp_socket_recv(fwd->slirp, fwd->server, fwd->port, buf, size);
-}
-
-static int slirp_guestfwd(SlirpState *s, const char *config_str,
- int legacy_format)
-{
- struct in_addr server = { .s_addr = 0 };
- struct GuestFwd *fwd;
- const char *p;
- char buf[128];
- char *end;
- int port;
-
- p = config_str;
- if (legacy_format) {
- if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) {
- goto fail_syntax;
- }
- } else {
- if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) {
- goto fail_syntax;
- }
- if (strcmp(buf, "tcp") && buf[0] != '\0') {
- goto fail_syntax;
- }
- if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) {
- goto fail_syntax;
- }
- if (buf[0] != '\0' && !inet_aton(buf, &server)) {
- goto fail_syntax;
- }
- if (get_str_sep(buf, sizeof(buf), &p, '-') < 0) {
- goto fail_syntax;
- }
- }
- port = strtol(buf, &end, 10);
- if (*end != '\0' || port < 1 || port > 65535) {
- goto fail_syntax;
- }
-
- snprintf(buf, sizeof(buf), "guestfwd.tcp.%d", port);
-
- if ((strlen(p) > 4) && !strncmp(p, "cmd:", 4)) {
- if (slirp_add_exec(s->slirp, 0, &p[4], &server, port) < 0) {
- error_report("conflicting/invalid host:port in guest forwarding "
- "rule '%s'", config_str);
- return -1;
- }
- } else {
- fwd = g_new(struct GuestFwd, 1);
- fwd->hd = qemu_chr_new(buf, p, NULL);
- if (!fwd->hd) {
- error_report("could not open guest forwarding device '%s'", buf);
- g_free(fwd);
- return -1;
- }
-
- if (slirp_add_exec(s->slirp, 3, fwd->hd, &server, port) < 0) {
- error_report("conflicting/invalid host:port in guest forwarding "
- "rule '%s'", config_str);
- g_free(fwd);
- return -1;
- }
- fwd->server = server;
- fwd->port = port;
- fwd->slirp = s->slirp;
-
- qemu_chr_fe_claim_no_fail(fwd->hd);
- qemu_chr_add_handlers(fwd->hd, guestfwd_can_read, guestfwd_read,
- NULL, fwd);
- }
- return 0;
-
- fail_syntax:
- error_report("invalid guest forwarding rule '%s'", config_str);
- return -1;
-}
-
-void hmp_info_usernet(Monitor *mon, const QDict *qdict)
-{
- SlirpState *s;
-
- QTAILQ_FOREACH(s, &slirp_stacks, entry) {
- int id;
- bool got_vlan_id = net_hub_id_for_client(&s->nc, &id) == 0;
- monitor_printf(mon, "VLAN %d (%s):\n",
- got_vlan_id ? id : -1,
- s->nc.name);
- slirp_connection_info(s->slirp, mon);
- }
-}
-
-static void
-net_init_slirp_configs(const StringList *fwd, int flags)
-{
- while (fwd) {
- struct slirp_config_str *config;
-
- config = g_malloc0(sizeof(*config));
- pstrcpy(config->str, sizeof(config->str), fwd->value->str);
- config->flags = flags;
- config->next = slirp_configs;
- slirp_configs = config;
-
- fwd = fwd->next;
- }
-}
-
-static const char **slirp_dnssearch(const StringList *dnsname)
-{
- const StringList *c = dnsname;
- size_t i = 0, num_opts = 0;
- const char **ret;
-
- while (c) {
- num_opts++;
- c = c->next;
- }
-
- if (num_opts == 0) {
- return NULL;
- }
-
- ret = g_malloc((num_opts + 1) * sizeof(*ret));
- c = dnsname;
- while (c) {
- ret[i++] = c->value->str;
- c = c->next;
- }
- ret[i] = NULL;
- return ret;
-}
-
-int net_init_slirp(const NetClientOptions *opts, const char *name,
- NetClientState *peer, Error **errp)
-{
- /* FIXME error_setg(errp, ...) on failure */
- struct slirp_config_str *config;
- char *vnet;
- int ret;
- const NetdevUserOptions *user;
- const char **dnssearch;
- bool ipv4 = true, ipv6 = true;
-
- assert(opts->type == NET_CLIENT_OPTIONS_KIND_USER);
- user = opts->u.user.data;
-
- if ((user->has_ipv6 && user->ipv6 && !user->has_ipv4) ||
- (user->has_ipv4 && !user->ipv4)) {
- ipv4 = 0;
- }
- if ((user->has_ipv4 && user->ipv4 && !user->has_ipv6) ||
- (user->has_ipv6 && !user->ipv6)) {
- ipv6 = 0;
- }
-
- vnet = user->has_net ? g_strdup(user->net) :
- user->has_ip ? g_strdup_printf("%s/24", user->ip) :
- NULL;
-
- dnssearch = slirp_dnssearch(user->dnssearch);
-
- /* all optional fields are initialized to "all bits zero" */
-
- net_init_slirp_configs(user->hostfwd, SLIRP_CFG_HOSTFWD);
- net_init_slirp_configs(user->guestfwd, 0);
-
- ret = net_slirp_init(peer, "user", name, user->q_restrict,
- ipv4, vnet, user->host,
- ipv6, user->ipv6_prefix, user->ipv6_prefixlen,
- user->ipv6_host, user->hostname, user->tftp,
- user->bootfile, user->dhcpstart,
- user->dns, user->ipv6_dns, user->smb,
- user->smbserver, dnssearch);
-
- while (slirp_configs) {
- config = slirp_configs;
- slirp_configs = config->next;
- g_free(config);
- }
-
- g_free(vnet);
- g_free(dnssearch);
-
- return ret;
-}
-
-int net_slirp_parse_legacy(QemuOptsList *opts_list, const char *optarg, int *ret)
-{
- if (strcmp(opts_list->name, "net") != 0 ||
- strncmp(optarg, "channel,", strlen("channel,")) != 0) {
- return 0;
- }
-
- error_report("The '-net channel' option is deprecated. "
- "Please use '-netdev user,guestfwd=...' instead.");
-
- /* handle legacy -net channel,port:chr */
- optarg += strlen("channel,");
-
- if (QTAILQ_EMPTY(&slirp_stacks)) {
- struct slirp_config_str *config;
-
- config = g_malloc(sizeof(*config));
- pstrcpy(config->str, sizeof(config->str), optarg);
- config->flags = SLIRP_CFG_LEGACY;
- config->next = slirp_configs;
- slirp_configs = config;
- *ret = 0;
- } else {
- *ret = slirp_guestfwd(QTAILQ_FIRST(&slirp_stacks), optarg, 1);
- }
-
- return 1;
-}
-
diff --git a/qemu/net/socket.c b/qemu/net/socket.c
deleted file mode 100644
index 9fa2cd8d5..000000000
--- a/qemu/net/socket.c
+++ /dev/null
@@ -1,772 +0,0 @@
-/*
- * QEMU System Emulator
- *
- * Copyright (c) 2003-2008 Fabrice Bellard
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-#include "qemu/osdep.h"
-
-#include "net/net.h"
-#include "clients.h"
-#include "monitor/monitor.h"
-#include "qapi/error.h"
-#include "qemu-common.h"
-#include "qemu/error-report.h"
-#include "qemu/option.h"
-#include "qemu/sockets.h"
-#include "qemu/iov.h"
-#include "qemu/main-loop.h"
-
-typedef struct NetSocketState {
- NetClientState nc;
- int listen_fd;
- int fd;
- int state; /* 0 = getting length, 1 = getting data */
- unsigned int index;
- unsigned int packet_len;
- unsigned int send_index; /* number of bytes sent (only SOCK_STREAM) */
- uint8_t buf[NET_BUFSIZE];
- struct sockaddr_in dgram_dst; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */
- IOHandler *send_fn; /* differs between SOCK_STREAM/SOCK_DGRAM */
- bool read_poll; /* waiting to receive data? */
- bool write_poll; /* waiting to transmit data? */
-} NetSocketState;
-
-static void net_socket_accept(void *opaque);
-static void net_socket_writable(void *opaque);
-
-static void net_socket_update_fd_handler(NetSocketState *s)
-{
- qemu_set_fd_handler(s->fd,
- s->read_poll ? s->send_fn : NULL,
- s->write_poll ? net_socket_writable : NULL,
- s);
-}
-
-static void net_socket_read_poll(NetSocketState *s, bool enable)
-{
- s->read_poll = enable;
- net_socket_update_fd_handler(s);
-}
-
-static void net_socket_write_poll(NetSocketState *s, bool enable)
-{
- s->write_poll = enable;
- net_socket_update_fd_handler(s);
-}
-
-static void net_socket_writable(void *opaque)
-{
- NetSocketState *s = opaque;
-
- net_socket_write_poll(s, false);
-
- qemu_flush_queued_packets(&s->nc);
-}
-
-static ssize_t net_socket_receive(NetClientState *nc, const uint8_t *buf, size_t size)
-{
- NetSocketState *s = DO_UPCAST(NetSocketState, nc, nc);
- uint32_t len = htonl(size);
- struct iovec iov[] = {
- {
- .iov_base = &len,
- .iov_len = sizeof(len),
- }, {
- .iov_base = (void *)buf,
- .iov_len = size,
- },
- };
- size_t remaining;
- ssize_t ret;
-
- remaining = iov_size(iov, 2) - s->send_index;
- ret = iov_send(s->fd, iov, 2, s->send_index, remaining);
-
- if (ret == -1 && errno == EAGAIN) {
- ret = 0; /* handled further down */
- }
- if (ret == -1) {
- s->send_index = 0;
- return -errno;
- }
- if (ret < (ssize_t)remaining) {
- s->send_index += ret;
- net_socket_write_poll(s, true);
- return 0;
- }
- s->send_index = 0;
- return size;
-}
-
-static ssize_t net_socket_receive_dgram(NetClientState *nc, const uint8_t *buf, size_t size)
-{
- NetSocketState *s = DO_UPCAST(NetSocketState, nc, nc);
- ssize_t ret;
-
- do {
- ret = qemu_sendto(s->fd, buf, size, 0,
- (struct sockaddr *)&s->dgram_dst,
- sizeof(s->dgram_dst));
- } while (ret == -1 && errno == EINTR);
-
- if (ret == -1 && errno == EAGAIN) {
- net_socket_write_poll(s, true);
- return 0;
- }
- return ret;
-}
-
-static void net_socket_send_completed(NetClientState *nc, ssize_t len)
-{
- NetSocketState *s = DO_UPCAST(NetSocketState, nc, nc);
-
- if (!s->read_poll) {
- net_socket_read_poll(s, true);
- }
-}
-
-static void net_socket_send(void *opaque)
-{
- NetSocketState *s = opaque;
- int size;
- unsigned l;
- uint8_t buf1[NET_BUFSIZE];
- const uint8_t *buf;
-
- size = qemu_recv(s->fd, buf1, sizeof(buf1), 0);
- if (size < 0) {
- if (errno != EWOULDBLOCK)
- goto eoc;
- } else if (size == 0) {
- /* end of connection */
- eoc:
- net_socket_read_poll(s, false);
- net_socket_write_poll(s, false);
- if (s->listen_fd != -1) {
- qemu_set_fd_handler(s->listen_fd, net_socket_accept, NULL, s);
- }
- closesocket(s->fd);
-
- s->fd = -1;
- s->state = 0;
- s->index = 0;
- s->packet_len = 0;
- s->nc.link_down = true;
- memset(s->buf, 0, sizeof(s->buf));
- memset(s->nc.info_str, 0, sizeof(s->nc.info_str));
-
- return;
- }
- buf = buf1;
- while (size > 0) {
- /* reassemble a packet from the network */
- switch(s->state) {
- case 0:
- l = 4 - s->index;
- if (l > size)
- l = size;
- memcpy(s->buf + s->index, buf, l);
- buf += l;
- size -= l;
- s->index += l;
- if (s->index == 4) {
- /* got length */
- s->packet_len = ntohl(*(uint32_t *)s->buf);
- s->index = 0;
- s->state = 1;
- }
- break;
- case 1:
- l = s->packet_len - s->index;
- if (l > size)
- l = size;
- if (s->index + l <= sizeof(s->buf)) {
- memcpy(s->buf + s->index, buf, l);
- } else {
- fprintf(stderr, "serious error: oversized packet received,"
- "connection terminated.\n");
- s->state = 0;
- goto eoc;
- }
-
- s->index += l;
- buf += l;
- size -= l;
- if (s->index >= s->packet_len) {
- s->index = 0;
- s->state = 0;
- if (qemu_send_packet_async(&s->nc, s->buf, s->packet_len,
- net_socket_send_completed) == 0) {
- net_socket_read_poll(s, false);
- break;
- }
- }
- break;
- }
- }
-}
-
-static void net_socket_send_dgram(void *opaque)
-{
- NetSocketState *s = opaque;
- int size;
-
- size = qemu_recv(s->fd, s->buf, sizeof(s->buf), 0);
- if (size < 0)
- return;
- if (size == 0) {
- /* end of connection */
- net_socket_read_poll(s, false);
- net_socket_write_poll(s, false);
- return;
- }
- if (qemu_send_packet_async(&s->nc, s->buf, size,
- net_socket_send_completed) == 0) {
- net_socket_read_poll(s, false);
- }
-}
-
-static int net_socket_mcast_create(struct sockaddr_in *mcastaddr, struct in_addr *localaddr)
-{
- struct ip_mreq imr;
- int fd;
- int val, ret;
-#ifdef __OpenBSD__
- unsigned char loop;
-#else
- int loop;
-#endif
-
- if (!IN_MULTICAST(ntohl(mcastaddr->sin_addr.s_addr))) {
- fprintf(stderr, "qemu: error: specified mcastaddr \"%s\" (0x%08x) "
- "does not contain a multicast address\n",
- inet_ntoa(mcastaddr->sin_addr),
- (int)ntohl(mcastaddr->sin_addr.s_addr));
- return -1;
-
- }
- fd = qemu_socket(PF_INET, SOCK_DGRAM, 0);
- if (fd < 0) {
- perror("socket(PF_INET, SOCK_DGRAM)");
- return -1;
- }
-
- /* Allow multiple sockets to bind the same multicast ip and port by setting
- * SO_REUSEADDR. This is the only situation where SO_REUSEADDR should be set
- * on windows. Use socket_set_fast_reuse otherwise as it sets SO_REUSEADDR
- * only on posix systems.
- */
- val = 1;
- ret = qemu_setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &val, sizeof(val));
- if (ret < 0) {
- perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)");
- goto fail;
- }
-
- ret = bind(fd, (struct sockaddr *)mcastaddr, sizeof(*mcastaddr));
- if (ret < 0) {
- perror("bind");
- goto fail;
- }
-
- /* Add host to multicast group */
- imr.imr_multiaddr = mcastaddr->sin_addr;
- if (localaddr) {
- imr.imr_interface = *localaddr;
- } else {
- imr.imr_interface.s_addr = htonl(INADDR_ANY);
- }
-
- ret = qemu_setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP,
- &imr, sizeof(struct ip_mreq));
- if (ret < 0) {
- perror("setsockopt(IP_ADD_MEMBERSHIP)");
- goto fail;
- }
-
- /* Force mcast msgs to loopback (eg. several QEMUs in same host */
- loop = 1;
- ret = qemu_setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP,
- &loop, sizeof(loop));
- if (ret < 0) {
- perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)");
- goto fail;
- }
-
- /* If a bind address is given, only send packets from that address */
- if (localaddr != NULL) {
- ret = qemu_setsockopt(fd, IPPROTO_IP, IP_MULTICAST_IF,
- localaddr, sizeof(*localaddr));
- if (ret < 0) {
- perror("setsockopt(IP_MULTICAST_IF)");
- goto fail;
- }
- }
-
- qemu_set_nonblock(fd);
- return fd;
-fail:
- if (fd >= 0)
- closesocket(fd);
- return -1;
-}
-
-static void net_socket_cleanup(NetClientState *nc)
-{
- NetSocketState *s = DO_UPCAST(NetSocketState, nc, nc);
- if (s->fd != -1) {
- net_socket_read_poll(s, false);
- net_socket_write_poll(s, false);
- close(s->fd);
- s->fd = -1;
- }
- if (s->listen_fd != -1) {
- qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL);
- closesocket(s->listen_fd);
- s->listen_fd = -1;
- }
-}
-
-static NetClientInfo net_dgram_socket_info = {
- .type = NET_CLIENT_OPTIONS_KIND_SOCKET,
- .size = sizeof(NetSocketState),
- .receive = net_socket_receive_dgram,
- .cleanup = net_socket_cleanup,
-};
-
-static NetSocketState *net_socket_fd_init_dgram(NetClientState *peer,
- const char *model,
- const char *name,
- int fd, int is_connected)
-{
- struct sockaddr_in saddr;
- int newfd;
- socklen_t saddr_len = sizeof(saddr);
- NetClientState *nc;
- NetSocketState *s;
-
- /* fd passed: multicast: "learn" dgram_dst address from bound address and save it
- * Because this may be "shared" socket from a "master" process, datagrams would be recv()
- * by ONLY ONE process: we must "clone" this dgram socket --jjo
- */
-
- if (is_connected) {
- if (getsockname(fd, (struct sockaddr *) &saddr, &saddr_len) == 0) {
- /* must be bound */
- if (saddr.sin_addr.s_addr == 0) {
- fprintf(stderr, "qemu: error: init_dgram: fd=%d unbound, "
- "cannot setup multicast dst addr\n", fd);
- goto err;
- }
- /* clone dgram socket */
- newfd = net_socket_mcast_create(&saddr, NULL);
- if (newfd < 0) {
- /* error already reported by net_socket_mcast_create() */
- goto err;
- }
- /* clone newfd to fd, close newfd */
- dup2(newfd, fd);
- close(newfd);
-
- } else {
- fprintf(stderr,
- "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n",
- fd, strerror(errno));
- goto err;
- }
- }
-
- nc = qemu_new_net_client(&net_dgram_socket_info, peer, model, name);
-
- s = DO_UPCAST(NetSocketState, nc, nc);
-
- s->fd = fd;
- s->listen_fd = -1;
- s->send_fn = net_socket_send_dgram;
- net_socket_read_poll(s, true);
-
- /* mcast: save bound address as dst */
- if (is_connected) {
- s->dgram_dst = saddr;
- snprintf(nc->info_str, sizeof(nc->info_str),
- "socket: fd=%d (cloned mcast=%s:%d)",
- fd, inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
- } else {
- snprintf(nc->info_str, sizeof(nc->info_str),
- "socket: fd=%d", fd);
- }
-
- return s;
-
-err:
- closesocket(fd);
- return NULL;
-}
-
-static void net_socket_connect(void *opaque)
-{
- NetSocketState *s = opaque;
- s->send_fn = net_socket_send;
- net_socket_read_poll(s, true);
-}
-
-static NetClientInfo net_socket_info = {
- .type = NET_CLIENT_OPTIONS_KIND_SOCKET,
- .size = sizeof(NetSocketState),
- .receive = net_socket_receive,
- .cleanup = net_socket_cleanup,
-};
-
-static NetSocketState *net_socket_fd_init_stream(NetClientState *peer,
- const char *model,
- const char *name,
- int fd, int is_connected)
-{
- NetClientState *nc;
- NetSocketState *s;
-
- nc = qemu_new_net_client(&net_socket_info, peer, model, name);
-
- snprintf(nc->info_str, sizeof(nc->info_str), "socket: fd=%d", fd);
-
- s = DO_UPCAST(NetSocketState, nc, nc);
-
- s->fd = fd;
- s->listen_fd = -1;
-
- /* Disable Nagle algorithm on TCP sockets to reduce latency */
- socket_set_nodelay(fd);
-
- if (is_connected) {
- net_socket_connect(s);
- } else {
- qemu_set_fd_handler(s->fd, NULL, net_socket_connect, s);
- }
- return s;
-}
-
-static NetSocketState *net_socket_fd_init(NetClientState *peer,
- const char *model, const char *name,
- int fd, int is_connected)
-{
- int so_type = -1, optlen=sizeof(so_type);
-
- if(getsockopt(fd, SOL_SOCKET, SO_TYPE, (char *)&so_type,
- (socklen_t *)&optlen)< 0) {
- fprintf(stderr, "qemu: error: getsockopt(SO_TYPE) for fd=%d failed\n",
- fd);
- closesocket(fd);
- return NULL;
- }
- switch(so_type) {
- case SOCK_DGRAM:
- return net_socket_fd_init_dgram(peer, model, name, fd, is_connected);
- case SOCK_STREAM:
- return net_socket_fd_init_stream(peer, model, name, fd, is_connected);
- default:
- /* who knows ... this could be a eg. a pty, do warn and continue as stream */
- fprintf(stderr, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type, fd);
- return net_socket_fd_init_stream(peer, model, name, fd, is_connected);
- }
- return NULL;
-}
-
-static void net_socket_accept(void *opaque)
-{
- NetSocketState *s = opaque;
- struct sockaddr_in saddr;
- socklen_t len;
- int fd;
-
- for(;;) {
- len = sizeof(saddr);
- fd = qemu_accept(s->listen_fd, (struct sockaddr *)&saddr, &len);
- if (fd < 0 && errno != EINTR) {
- return;
- } else if (fd >= 0) {
- qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL);
- break;
- }
- }
-
- s->fd = fd;
- s->nc.link_down = false;
- net_socket_connect(s);
- snprintf(s->nc.info_str, sizeof(s->nc.info_str),
- "socket: connection from %s:%d",
- inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
-}
-
-static int net_socket_listen_init(NetClientState *peer,
- const char *model,
- const char *name,
- const char *host_str)
-{
- NetClientState *nc;
- NetSocketState *s;
- struct sockaddr_in saddr;
- int fd, ret;
-
- if (parse_host_port(&saddr, host_str) < 0)
- return -1;
-
- fd = qemu_socket(PF_INET, SOCK_STREAM, 0);
- if (fd < 0) {
- perror("socket");
- return -1;
- }
- qemu_set_nonblock(fd);
-
- socket_set_fast_reuse(fd);
-
- ret = bind(fd, (struct sockaddr *)&saddr, sizeof(saddr));
- if (ret < 0) {
- perror("bind");
- closesocket(fd);
- return -1;
- }
- ret = listen(fd, 0);
- if (ret < 0) {
- perror("listen");
- closesocket(fd);
- return -1;
- }
-
- nc = qemu_new_net_client(&net_socket_info, peer, model, name);
- s = DO_UPCAST(NetSocketState, nc, nc);
- s->fd = -1;
- s->listen_fd = fd;
- s->nc.link_down = true;
-
- qemu_set_fd_handler(s->listen_fd, net_socket_accept, NULL, s);
- return 0;
-}
-
-static int net_socket_connect_init(NetClientState *peer,
- const char *model,
- const char *name,
- const char *host_str)
-{
- NetSocketState *s;
- int fd, connected, ret;
- struct sockaddr_in saddr;
-
- if (parse_host_port(&saddr, host_str) < 0)
- return -1;
-
- fd = qemu_socket(PF_INET, SOCK_STREAM, 0);
- if (fd < 0) {
- perror("socket");
- return -1;
- }
- qemu_set_nonblock(fd);
-
- connected = 0;
- for(;;) {
- ret = connect(fd, (struct sockaddr *)&saddr, sizeof(saddr));
- if (ret < 0) {
- if (errno == EINTR || errno == EWOULDBLOCK) {
- /* continue */
- } else if (errno == EINPROGRESS ||
- errno == EALREADY ||
- errno == EINVAL) {
- break;
- } else {
- perror("connect");
- closesocket(fd);
- return -1;
- }
- } else {
- connected = 1;
- break;
- }
- }
- s = net_socket_fd_init(peer, model, name, fd, connected);
- if (!s)
- return -1;
- snprintf(s->nc.info_str, sizeof(s->nc.info_str),
- "socket: connect to %s:%d",
- inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
- return 0;
-}
-
-static int net_socket_mcast_init(NetClientState *peer,
- const char *model,
- const char *name,
- const char *host_str,
- const char *localaddr_str)
-{
- NetSocketState *s;
- int fd;
- struct sockaddr_in saddr;
- struct in_addr localaddr, *param_localaddr;
-
- if (parse_host_port(&saddr, host_str) < 0)
- return -1;
-
- if (localaddr_str != NULL) {
- if (inet_aton(localaddr_str, &localaddr) == 0)
- return -1;
- param_localaddr = &localaddr;
- } else {
- param_localaddr = NULL;
- }
-
- fd = net_socket_mcast_create(&saddr, param_localaddr);
- if (fd < 0)
- return -1;
-
- s = net_socket_fd_init(peer, model, name, fd, 0);
- if (!s)
- return -1;
-
- s->dgram_dst = saddr;
-
- snprintf(s->nc.info_str, sizeof(s->nc.info_str),
- "socket: mcast=%s:%d",
- inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
- return 0;
-
-}
-
-static int net_socket_udp_init(NetClientState *peer,
- const char *model,
- const char *name,
- const char *rhost,
- const char *lhost)
-{
- NetSocketState *s;
- int fd, ret;
- struct sockaddr_in laddr, raddr;
-
- if (parse_host_port(&laddr, lhost) < 0) {
- return -1;
- }
-
- if (parse_host_port(&raddr, rhost) < 0) {
- return -1;
- }
-
- fd = qemu_socket(PF_INET, SOCK_DGRAM, 0);
- if (fd < 0) {
- perror("socket(PF_INET, SOCK_DGRAM)");
- return -1;
- }
-
- ret = socket_set_fast_reuse(fd);
- if (ret < 0) {
- closesocket(fd);
- return -1;
- }
- ret = bind(fd, (struct sockaddr *)&laddr, sizeof(laddr));
- if (ret < 0) {
- perror("bind");
- closesocket(fd);
- return -1;
- }
- qemu_set_nonblock(fd);
-
- s = net_socket_fd_init(peer, model, name, fd, 0);
- if (!s) {
- return -1;
- }
-
- s->dgram_dst = raddr;
-
- snprintf(s->nc.info_str, sizeof(s->nc.info_str),
- "socket: udp=%s:%d",
- inet_ntoa(raddr.sin_addr), ntohs(raddr.sin_port));
- return 0;
-}
-
-int net_init_socket(const NetClientOptions *opts, const char *name,
- NetClientState *peer, Error **errp)
-{
- /* FIXME error_setg(errp, ...) on failure */
- Error *err = NULL;
- const NetdevSocketOptions *sock;
-
- assert(opts->type == NET_CLIENT_OPTIONS_KIND_SOCKET);
- sock = opts->u.socket.data;
-
- if (sock->has_fd + sock->has_listen + sock->has_connect + sock->has_mcast +
- sock->has_udp != 1) {
- error_report("exactly one of fd=, listen=, connect=, mcast= or udp="
- " is required");
- return -1;
- }
-
- if (sock->has_localaddr && !sock->has_mcast && !sock->has_udp) {
- error_report("localaddr= is only valid with mcast= or udp=");
- return -1;
- }
-
- if (sock->has_fd) {
- int fd;
-
- fd = monitor_fd_param(cur_mon, sock->fd, &err);
- if (fd == -1) {
- error_report_err(err);
- return -1;
- }
- qemu_set_nonblock(fd);
- if (!net_socket_fd_init(peer, "socket", name, fd, 1)) {
- return -1;
- }
- return 0;
- }
-
- if (sock->has_listen) {
- if (net_socket_listen_init(peer, "socket", name, sock->listen) == -1) {
- return -1;
- }
- return 0;
- }
-
- if (sock->has_connect) {
- if (net_socket_connect_init(peer, "socket", name, sock->connect) ==
- -1) {
- return -1;
- }
- return 0;
- }
-
- if (sock->has_mcast) {
- /* if sock->localaddr is missing, it has been initialized to "all bits
- * zero" */
- if (net_socket_mcast_init(peer, "socket", name, sock->mcast,
- sock->localaddr) == -1) {
- return -1;
- }
- return 0;
- }
-
- assert(sock->has_udp);
- if (!sock->has_localaddr) {
- error_report("localaddr= is mandatory with udp=");
- return -1;
- }
- if (net_socket_udp_init(peer, "socket", name, sock->udp, sock->localaddr) ==
- -1) {
- return -1;
- }
- return 0;
-}
diff --git a/qemu/net/tap-aix.c b/qemu/net/tap-aix.c
deleted file mode 100644
index 0e6da6396..000000000
--- a/qemu/net/tap-aix.c
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
- * QEMU System Emulator
- *
- * Copyright (c) 2003-2008 Fabrice Bellard
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#include "qemu/osdep.h"
-#include "qapi/error.h"
-#include "tap_int.h"
-
-int tap_open(char *ifname, int ifname_size, int *vnet_hdr,
- int vnet_hdr_required, int mq_required, Error **errp)
-{
- error_setg(errp, "no tap on AIX");
- return -1;
-}
-
-void tap_set_sndbuf(int fd, const NetdevTapOptions *tap, Error **errp)
-{
-}
-
-int tap_probe_vnet_hdr(int fd)
-{
- return 0;
-}
-
-int tap_probe_has_ufo(int fd)
-{
- return 0;
-}
-
-int tap_probe_vnet_hdr_len(int fd, int len)
-{
- return 0;
-}
-
-void tap_fd_set_vnet_hdr_len(int fd, int len)
-{
-}
-
-int tap_fd_set_vnet_le(int fd, int is_le)
-{
- return -EINVAL;
-}
-
-int tap_fd_set_vnet_be(int fd, int is_be)
-{
- return -EINVAL;
-}
-
-void tap_fd_set_offload(int fd, int csum, int tso4,
- int tso6, int ecn, int ufo)
-{
-}
-
-int tap_fd_enable(int fd)
-{
- return -1;
-}
-
-int tap_fd_disable(int fd)
-{
- return -1;
-}
-
-int tap_fd_get_ifname(int fd, char *ifname)
-{
- return -1;
-}
-
diff --git a/qemu/net/tap-bsd.c b/qemu/net/tap-bsd.c
deleted file mode 100644
index c506ac31d..000000000
--- a/qemu/net/tap-bsd.c
+++ /dev/null
@@ -1,257 +0,0 @@
-/*
- * QEMU System Emulator
- *
- * Copyright (c) 2003-2008 Fabrice Bellard
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#include "qemu/osdep.h"
-#include "qapi/error.h"
-#include "tap_int.h"
-#include "qemu/cutils.h"
-#include "sysemu/sysemu.h"
-#include "qemu/error-report.h"
-
-#if defined(__NetBSD__) || defined(__FreeBSD__)
-#include <sys/ioctl.h>
-#include <net/if.h>
-#include <net/if_tap.h>
-#endif
-
-#ifndef __FreeBSD__
-int tap_open(char *ifname, int ifname_size, int *vnet_hdr,
- int vnet_hdr_required, int mq_required, Error **errp)
-{
- int fd;
-#ifdef TAPGIFNAME
- struct ifreq ifr;
-#else
- char *dev;
- struct stat s;
-#endif
-
- /* if no ifname is given, always start the search from tap0/tun0. */
- int i;
- char dname[100];
-
- for (i = 0; i < 10; i++) {
- if (*ifname) {
- snprintf(dname, sizeof dname, "/dev/%s", ifname);
- } else {
-#if defined(__OpenBSD__)
- snprintf(dname, sizeof dname, "/dev/tun%d", i);
-#else
- snprintf(dname, sizeof dname, "/dev/tap%d", i);
-#endif
- }
- TFR(fd = open(dname, O_RDWR));
- if (fd >= 0) {
- break;
- }
- else if (errno == ENXIO || errno == ENOENT) {
- break;
- }
- if (*ifname) {
- break;
- }
- }
- if (fd < 0) {
- error_setg_errno(errp, errno, "could not open %s", dname);
- return -1;
- }
-
-#ifdef TAPGIFNAME
- if (ioctl(fd, TAPGIFNAME, (void *)&ifr) < 0) {
- error_setg_errno(errp, errno, "could not get tap name");
- return -1;
- }
- pstrcpy(ifname, ifname_size, ifr.ifr_name);
-#else
- if (fstat(fd, &s) < 0) {
- error_setg_errno(errp, errno, "could not stat %s", dname);
- return -1;
- }
- dev = devname(s.st_rdev, S_IFCHR);
- pstrcpy(ifname, ifname_size, dev);
-#endif
-
- if (*vnet_hdr) {
- /* BSD doesn't have IFF_VNET_HDR */
- *vnet_hdr = 0;
-
- if (vnet_hdr_required && !*vnet_hdr) {
- error_setg(errp, "vnet_hdr=1 requested, but no kernel "
- "support for IFF_VNET_HDR available");
- close(fd);
- return -1;
- }
- }
- fcntl(fd, F_SETFL, O_NONBLOCK);
- return fd;
-}
-
-#else /* __FreeBSD__ */
-
-#define PATH_NET_TAP "/dev/tap"
-
-static int tap_open_clone(char *ifname, int ifname_size, Error **errp)
-{
- int fd, s, ret;
- struct ifreq ifr;
-
- TFR(fd = open(PATH_NET_TAP, O_RDWR));
- if (fd < 0) {
- error_setg_errno(errp, errno, "could not open %s", PATH_NET_TAP);
- return -1;
- }
-
- memset(&ifr, 0, sizeof(ifr));
-
- ret = ioctl(fd, TAPGIFNAME, (void *)&ifr);
- if (ret < 0) {
- error_setg_errno(errp, errno, "could not get tap interface name");
- close(fd);
- return -1;
- }
-
- if (ifname[0] != '\0') {
- /* User requested the interface to have a specific name */
- s = socket(AF_LOCAL, SOCK_DGRAM, 0);
- if (s < 0) {
- error_setg_errno(errp, errno,
- "could not open socket to set interface name");
- close(fd);
- return -1;
- }
- ifr.ifr_data = ifname;
- ret = ioctl(s, SIOCSIFNAME, (void *)&ifr);
- close(s);
- if (ret < 0) {
- error_setg(errp, "could not set tap interface name");
- close(fd);
- return -1;
- }
- } else {
- pstrcpy(ifname, ifname_size, ifr.ifr_name);
- }
-
- return fd;
-}
-
-int tap_open(char *ifname, int ifname_size, int *vnet_hdr,
- int vnet_hdr_required, int mq_required, Error **errp)
-{
- int fd = -1;
-
- /* If the specified tap device already exists just use it. */
- if (ifname[0] != '\0') {
- char dname[100];
- snprintf(dname, sizeof dname, "/dev/%s", ifname);
- TFR(fd = open(dname, O_RDWR));
- if (fd < 0 && errno != ENOENT) {
- error_setg_errno(errp, errno, "could not open %s", dname);
- return -1;
- }
- }
-
- if (fd < 0) {
- /* Tap device not specified or does not exist. */
- if ((fd = tap_open_clone(ifname, ifname_size, errp)) < 0) {
- return -1;
- }
- }
-
- if (*vnet_hdr) {
- /* BSD doesn't have IFF_VNET_HDR */
- *vnet_hdr = 0;
-
- if (vnet_hdr_required && !*vnet_hdr) {
- error_setg(errp, "vnet_hdr=1 requested, but no kernel "
- "support for IFF_VNET_HDR available");
- goto error;
- }
- }
- if (mq_required) {
- error_setg(errp, "mq_required requested, but no kernel support"
- " for IFF_MULTI_QUEUE available");
- goto error;
- }
-
- fcntl(fd, F_SETFL, O_NONBLOCK);
- return fd;
-
-error:
- close(fd);
- return -1;
-}
-#endif /* __FreeBSD__ */
-
-void tap_set_sndbuf(int fd, const NetdevTapOptions *tap, Error **errp)
-{
-}
-
-int tap_probe_vnet_hdr(int fd)
-{
- return 0;
-}
-
-int tap_probe_has_ufo(int fd)
-{
- return 0;
-}
-
-int tap_probe_vnet_hdr_len(int fd, int len)
-{
- return 0;
-}
-
-void tap_fd_set_vnet_hdr_len(int fd, int len)
-{
-}
-
-int tap_fd_set_vnet_le(int fd, int is_le)
-{
- return -EINVAL;
-}
-
-int tap_fd_set_vnet_be(int fd, int is_be)
-{
- return -EINVAL;
-}
-
-void tap_fd_set_offload(int fd, int csum, int tso4,
- int tso6, int ecn, int ufo)
-{
-}
-
-int tap_fd_enable(int fd)
-{
- return -1;
-}
-
-int tap_fd_disable(int fd)
-{
- return -1;
-}
-
-int tap_fd_get_ifname(int fd, char *ifname)
-{
- return -1;
-}
diff --git a/qemu/net/tap-haiku.c b/qemu/net/tap-haiku.c
deleted file mode 100644
index b27e57e95..000000000
--- a/qemu/net/tap-haiku.c
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
- * QEMU System Emulator
- *
- * Copyright (c) 2003-2008 Fabrice Bellard
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#include "qemu/osdep.h"
-#include "qapi/error.h"
-#include "tap_int.h"
-
-int tap_open(char *ifname, int ifname_size, int *vnet_hdr,
- int vnet_hdr_required, int mq_required, Error **errp)
-{
- error_setg(errp, "no tap on Haiku");
- return -1;
-}
-
-void tap_set_sndbuf(int fd, const NetdevTapOptions *tap, Error **errp)
-{
-}
-
-int tap_probe_vnet_hdr(int fd)
-{
- return 0;
-}
-
-int tap_probe_has_ufo(int fd)
-{
- return 0;
-}
-
-int tap_probe_vnet_hdr_len(int fd, int len)
-{
- return 0;
-}
-
-void tap_fd_set_vnet_hdr_len(int fd, int len)
-{
-}
-
-int tap_fd_set_vnet_le(int fd, int is_le)
-{
- return -EINVAL;
-}
-
-int tap_fd_set_vnet_be(int fd, int is_be)
-{
- return -EINVAL;
-}
-
-void tap_fd_set_offload(int fd, int csum, int tso4,
- int tso6, int ecn, int ufo)
-{
-}
-
-int tap_fd_enable(int fd)
-{
- return -1;
-}
-
-int tap_fd_disable(int fd)
-{
- return -1;
-}
-
-int tap_fd_get_ifname(int fd, char *ifname)
-{
- return -1;
-}
diff --git a/qemu/net/tap-linux.c b/qemu/net/tap-linux.c
deleted file mode 100644
index a503fa9c6..000000000
--- a/qemu/net/tap-linux.c
+++ /dev/null
@@ -1,316 +0,0 @@
-/*
- * QEMU System Emulator
- *
- * Copyright (c) 2003-2008 Fabrice Bellard
- * Copyright (c) 2009 Red Hat, Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#include "qemu/osdep.h"
-#include "tap_int.h"
-#include "tap-linux.h"
-#include "net/tap.h"
-
-#include <net/if.h>
-#include <sys/ioctl.h>
-
-#include "sysemu/sysemu.h"
-#include "qapi/error.h"
-#include "qemu/error-report.h"
-#include "qemu/cutils.h"
-
-#define PATH_NET_TUN "/dev/net/tun"
-
-int tap_open(char *ifname, int ifname_size, int *vnet_hdr,
- int vnet_hdr_required, int mq_required, Error **errp)
-{
- struct ifreq ifr;
- int fd, ret;
- int len = sizeof(struct virtio_net_hdr);
- unsigned int features;
-
- TFR(fd = open(PATH_NET_TUN, O_RDWR));
- if (fd < 0) {
- error_setg_errno(errp, errno, "could not open %s", PATH_NET_TUN);
- return -1;
- }
- memset(&ifr, 0, sizeof(ifr));
- ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
-
- if (ioctl(fd, TUNGETFEATURES, &features) == -1) {
- error_report("warning: TUNGETFEATURES failed: %s", strerror(errno));
- features = 0;
- }
-
- if (features & IFF_ONE_QUEUE) {
- ifr.ifr_flags |= IFF_ONE_QUEUE;
- }
-
- if (*vnet_hdr) {
- if (features & IFF_VNET_HDR) {
- *vnet_hdr = 1;
- ifr.ifr_flags |= IFF_VNET_HDR;
- } else {
- *vnet_hdr = 0;
- }
-
- if (vnet_hdr_required && !*vnet_hdr) {
- error_setg(errp, "vnet_hdr=1 requested, but no kernel "
- "support for IFF_VNET_HDR available");
- close(fd);
- return -1;
- }
- /*
- * Make sure vnet header size has the default value: for a persistent
- * tap it might have been modified e.g. by another instance of qemu.
- * Ignore errors since old kernels do not support this ioctl: in this
- * case the header size implicitly has the correct value.
- */
- ioctl(fd, TUNSETVNETHDRSZ, &len);
- }
-
- if (mq_required) {
- if (!(features & IFF_MULTI_QUEUE)) {
- error_setg(errp, "multiqueue required, but no kernel "
- "support for IFF_MULTI_QUEUE available");
- close(fd);
- return -1;
- } else {
- ifr.ifr_flags |= IFF_MULTI_QUEUE;
- }
- }
-
- if (ifname[0] != '\0')
- pstrcpy(ifr.ifr_name, IFNAMSIZ, ifname);
- else
- pstrcpy(ifr.ifr_name, IFNAMSIZ, "tap%d");
- ret = ioctl(fd, TUNSETIFF, (void *) &ifr);
- if (ret != 0) {
- if (ifname[0] != '\0') {
- error_setg_errno(errp, errno, "could not configure %s (%s)",
- PATH_NET_TUN, ifr.ifr_name);
- } else {
- error_setg_errno(errp, errno, "could not configure %s",
- PATH_NET_TUN);
- }
- close(fd);
- return -1;
- }
- pstrcpy(ifname, ifname_size, ifr.ifr_name);
- fcntl(fd, F_SETFL, O_NONBLOCK);
- return fd;
-}
-
-/* sndbuf implements a kind of flow control for tap.
- * Unfortunately when it's enabled, and packets are sent
- * to other guests on the same host, the receiver
- * can lock up the transmitter indefinitely.
- *
- * To avoid packet loss, sndbuf should be set to a value lower than the tx
- * queue capacity of any destination network interface.
- * Ethernet NICs generally have txqueuelen=1000, so 1Mb is
- * a good value, given a 1500 byte MTU.
- */
-#define TAP_DEFAULT_SNDBUF 0
-
-void tap_set_sndbuf(int fd, const NetdevTapOptions *tap, Error **errp)
-{
- int sndbuf;
-
- sndbuf = !tap->has_sndbuf ? TAP_DEFAULT_SNDBUF :
- tap->sndbuf > INT_MAX ? INT_MAX :
- tap->sndbuf;
-
- if (!sndbuf) {
- sndbuf = INT_MAX;
- }
-
- if (ioctl(fd, TUNSETSNDBUF, &sndbuf) == -1 && tap->has_sndbuf) {
- error_setg_errno(errp, errno, "TUNSETSNDBUF ioctl failed");
- }
-}
-
-int tap_probe_vnet_hdr(int fd)
-{
- struct ifreq ifr;
-
- if (ioctl(fd, TUNGETIFF, &ifr) != 0) {
- error_report("TUNGETIFF ioctl() failed: %s", strerror(errno));
- return 0;
- }
-
- return ifr.ifr_flags & IFF_VNET_HDR;
-}
-
-int tap_probe_has_ufo(int fd)
-{
- unsigned offload;
-
- offload = TUN_F_CSUM | TUN_F_UFO;
-
- if (ioctl(fd, TUNSETOFFLOAD, offload) < 0)
- return 0;
-
- return 1;
-}
-
-/* Verify that we can assign given length */
-int tap_probe_vnet_hdr_len(int fd, int len)
-{
- int orig;
- if (ioctl(fd, TUNGETVNETHDRSZ, &orig) == -1) {
- return 0;
- }
- if (ioctl(fd, TUNSETVNETHDRSZ, &len) == -1) {
- return 0;
- }
- /* Restore original length: we can't handle failure. */
- if (ioctl(fd, TUNSETVNETHDRSZ, &orig) == -1) {
- fprintf(stderr, "TUNGETVNETHDRSZ ioctl() failed: %s. Exiting.\n",
- strerror(errno));
- abort();
- return -errno;
- }
- return 1;
-}
-
-void tap_fd_set_vnet_hdr_len(int fd, int len)
-{
- if (ioctl(fd, TUNSETVNETHDRSZ, &len) == -1) {
- fprintf(stderr, "TUNSETVNETHDRSZ ioctl() failed: %s. Exiting.\n",
- strerror(errno));
- abort();
- }
-}
-
-int tap_fd_set_vnet_le(int fd, int is_le)
-{
- int arg = is_le ? 1 : 0;
-
- if (!ioctl(fd, TUNSETVNETLE, &arg)) {
- return 0;
- }
-
- /* Check if our kernel supports TUNSETVNETLE */
- if (errno == EINVAL) {
- return -errno;
- }
-
- error_report("TUNSETVNETLE ioctl() failed: %s.", strerror(errno));
- abort();
-}
-
-int tap_fd_set_vnet_be(int fd, int is_be)
-{
- int arg = is_be ? 1 : 0;
-
- if (!ioctl(fd, TUNSETVNETBE, &arg)) {
- return 0;
- }
-
- /* Check if our kernel supports TUNSETVNETBE */
- if (errno == EINVAL) {
- return -errno;
- }
-
- error_report("TUNSETVNETBE ioctl() failed: %s.", strerror(errno));
- abort();
-}
-
-void tap_fd_set_offload(int fd, int csum, int tso4,
- int tso6, int ecn, int ufo)
-{
- unsigned int offload = 0;
-
- /* Check if our kernel supports TUNSETOFFLOAD */
- if (ioctl(fd, TUNSETOFFLOAD, 0) != 0 && errno == EINVAL) {
- return;
- }
-
- if (csum) {
- offload |= TUN_F_CSUM;
- if (tso4)
- offload |= TUN_F_TSO4;
- if (tso6)
- offload |= TUN_F_TSO6;
- if ((tso4 || tso6) && ecn)
- offload |= TUN_F_TSO_ECN;
- if (ufo)
- offload |= TUN_F_UFO;
- }
-
- if (ioctl(fd, TUNSETOFFLOAD, offload) != 0) {
- offload &= ~TUN_F_UFO;
- if (ioctl(fd, TUNSETOFFLOAD, offload) != 0) {
- fprintf(stderr, "TUNSETOFFLOAD ioctl() failed: %s\n",
- strerror(errno));
- }
- }
-}
-
-/* Enable a specific queue of tap. */
-int tap_fd_enable(int fd)
-{
- struct ifreq ifr;
- int ret;
-
- memset(&ifr, 0, sizeof(ifr));
-
- ifr.ifr_flags = IFF_ATTACH_QUEUE;
- ret = ioctl(fd, TUNSETQUEUE, (void *) &ifr);
-
- if (ret != 0) {
- error_report("could not enable queue");
- }
-
- return ret;
-}
-
-/* Disable a specific queue of tap/ */
-int tap_fd_disable(int fd)
-{
- struct ifreq ifr;
- int ret;
-
- memset(&ifr, 0, sizeof(ifr));
-
- ifr.ifr_flags = IFF_DETACH_QUEUE;
- ret = ioctl(fd, TUNSETQUEUE, (void *) &ifr);
-
- if (ret != 0) {
- error_report("could not disable queue");
- }
-
- return ret;
-}
-
-int tap_fd_get_ifname(int fd, char *ifname)
-{
- struct ifreq ifr;
-
- if (ioctl(fd, TUNGETIFF, &ifr) != 0) {
- error_report("TUNGETIFF ioctl() failed: %s",
- strerror(errno));
- return -1;
- }
-
- pstrcpy(ifname, sizeof(ifr.ifr_name), ifr.ifr_name);
- return 0;
-}
diff --git a/qemu/net/tap-linux.h b/qemu/net/tap-linux.h
deleted file mode 100644
index 1dc3a9f27..000000000
--- a/qemu/net/tap-linux.h
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- * Universal TUN/TAP device driver.
- * Copyright (C) 1999-2000 Maxim Krasnyansky <max_mk@yahoo.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#ifndef QEMU_TAP_LINUX_H
-#define QEMU_TAP_LINUX_H
-
-#ifdef __linux__
-
-#include <linux/ioctl.h>
-
-/* Ioctl defines */
-#define TUNSETIFF _IOW('T', 202, int)
-#define TUNGETFEATURES _IOR('T', 207, unsigned int)
-#define TUNSETOFFLOAD _IOW('T', 208, unsigned int)
-#define TUNGETIFF _IOR('T', 210, unsigned int)
-#define TUNSETSNDBUF _IOW('T', 212, int)
-#define TUNGETVNETHDRSZ _IOR('T', 215, int)
-#define TUNSETVNETHDRSZ _IOW('T', 216, int)
-#define TUNSETQUEUE _IOW('T', 217, int)
-#define TUNSETVNETLE _IOW('T', 220, int)
-#define TUNSETVNETBE _IOW('T', 222, int)
-
-#endif
-
-/* TUNSETIFF ifr flags */
-#define IFF_TAP 0x0002
-#define IFF_NO_PI 0x1000
-#define IFF_ONE_QUEUE 0x2000
-#define IFF_VNET_HDR 0x4000
-#define IFF_MULTI_QUEUE 0x0100
-#define IFF_ATTACH_QUEUE 0x0200
-#define IFF_DETACH_QUEUE 0x0400
-
-/* Features for GSO (TUNSETOFFLOAD). */
-#define TUN_F_CSUM 0x01 /* You can hand me unchecksummed packets. */
-#define TUN_F_TSO4 0x02 /* I can handle TSO for IPv4 packets */
-#define TUN_F_TSO6 0x04 /* I can handle TSO for IPv6 packets */
-#define TUN_F_TSO_ECN 0x08 /* I can handle TSO with ECN bits. */
-#define TUN_F_UFO 0x10 /* I can handle UFO packets */
-
-#endif /* QEMU_TAP_H */
diff --git a/qemu/net/tap-solaris.c b/qemu/net/tap-solaris.c
deleted file mode 100644
index a2a92356c..000000000
--- a/qemu/net/tap-solaris.c
+++ /dev/null
@@ -1,256 +0,0 @@
-/*
- * QEMU System Emulator
- *
- * Copyright (c) 2003-2008 Fabrice Bellard
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#include "qemu/osdep.h"
-#include "qapi/error.h"
-#include "tap_int.h"
-#include "sysemu/sysemu.h"
-#include "qemu/cutils.h"
-
-#include <sys/ethernet.h>
-#include <sys/sockio.h>
-#include <netinet/arp.h>
-#include <netinet/in.h>
-#include <netinet/in_systm.h>
-#include <netinet/ip.h>
-#include <netinet/ip_icmp.h> // must come after ip.h
-#include <netinet/udp.h>
-#include <netinet/tcp.h>
-#include <net/if.h>
-#include <stropts.h>
-#include "qemu/error-report.h"
-
-ssize_t tap_read_packet(int tapfd, uint8_t *buf, int maxlen)
-{
- struct strbuf sbuf;
- int f = 0;
-
- sbuf.maxlen = maxlen;
- sbuf.buf = (char *)buf;
-
- return getmsg(tapfd, NULL, &sbuf, &f) >= 0 ? sbuf.len : -1;
-}
-
-#define TUNNEWPPA (('T'<<16) | 0x0001)
-/*
- * Allocate TAP device, returns opened fd.
- * Stores dev name in the first arg(must be large enough).
- */
-static int tap_alloc(char *dev, size_t dev_size, Error **errp)
-{
- /* FIXME leaks like a sieve on error paths */
- /* FIXME suspicious: many errors are reported, then ignored */
- int tap_fd, if_fd, ppa = -1;
- static int ip_fd = 0;
- char *ptr;
-
- static int arp_fd = 0;
- int ip_muxid, arp_muxid;
- struct strioctl strioc_if, strioc_ppa;
- int link_type = I_PLINK;
- struct lifreq ifr;
- char actual_name[32] = "";
-
- memset(&ifr, 0x0, sizeof(ifr));
-
- if( *dev ){
- ptr = dev;
- while( *ptr && !qemu_isdigit((int)*ptr) ) ptr++;
- ppa = atoi(ptr);
- }
-
- /* Check if IP device was opened */
- if( ip_fd )
- close(ip_fd);
-
- TFR(ip_fd = open("/dev/udp", O_RDWR, 0));
- if (ip_fd < 0) {
- error_setg(errp, "Can't open /dev/ip (actually /dev/udp)");
- return -1;
- }
-
- TFR(tap_fd = open("/dev/tap", O_RDWR, 0));
- if (tap_fd < 0) {
- error_setg(errp, "Can't open /dev/tap");
- return -1;
- }
-
- /* Assign a new PPA and get its unit number. */
- strioc_ppa.ic_cmd = TUNNEWPPA;
- strioc_ppa.ic_timout = 0;
- strioc_ppa.ic_len = sizeof(ppa);
- strioc_ppa.ic_dp = (char *)&ppa;
- if ((ppa = ioctl (tap_fd, I_STR, &strioc_ppa)) < 0)
- error_report("Can't assign new interface");
-
- TFR(if_fd = open("/dev/tap", O_RDWR, 0));
- if (if_fd < 0) {
- error_setg(errp, "Can't open /dev/tap (2)");
- return -1;
- }
- if(ioctl(if_fd, I_PUSH, "ip") < 0){
- error_setg(errp, "Can't push IP module");
- return -1;
- }
-
- if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) < 0)
- error_report("Can't get flags");
-
- snprintf (actual_name, 32, "tap%d", ppa);
- pstrcpy(ifr.lifr_name, sizeof(ifr.lifr_name), actual_name);
-
- ifr.lifr_ppa = ppa;
- /* Assign ppa according to the unit number returned by tun device */
-
- if (ioctl (if_fd, SIOCSLIFNAME, &ifr) < 0)
- error_report("Can't set PPA %d", ppa);
- if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) <0)
- error_report("Can't get flags");
- /* Push arp module to if_fd */
- if (ioctl (if_fd, I_PUSH, "arp") < 0)
- error_report("Can't push ARP module (2)");
-
- /* Push arp module to ip_fd */
- if (ioctl (ip_fd, I_POP, NULL) < 0)
- error_report("I_POP failed");
- if (ioctl (ip_fd, I_PUSH, "arp") < 0)
- error_report("Can't push ARP module (3)");
- /* Open arp_fd */
- TFR(arp_fd = open ("/dev/tap", O_RDWR, 0));
- if (arp_fd < 0)
- error_report("Can't open %s", "/dev/tap");
-
- /* Set ifname to arp */
- strioc_if.ic_cmd = SIOCSLIFNAME;
- strioc_if.ic_timout = 0;
- strioc_if.ic_len = sizeof(ifr);
- strioc_if.ic_dp = (char *)&ifr;
- if (ioctl(arp_fd, I_STR, &strioc_if) < 0){
- error_report("Can't set ifname to arp");
- }
-
- if((ip_muxid = ioctl(ip_fd, I_LINK, if_fd)) < 0){
- error_setg(errp, "Can't link TAP device to IP");
- return -1;
- }
-
- if ((arp_muxid = ioctl (ip_fd, link_type, arp_fd)) < 0)
- error_report("Can't link TAP device to ARP");
-
- close (if_fd);
-
- memset(&ifr, 0x0, sizeof(ifr));
- pstrcpy(ifr.lifr_name, sizeof(ifr.lifr_name), actual_name);
- ifr.lifr_ip_muxid = ip_muxid;
- ifr.lifr_arp_muxid = arp_muxid;
-
- if (ioctl (ip_fd, SIOCSLIFMUXID, &ifr) < 0)
- {
- ioctl (ip_fd, I_PUNLINK , arp_muxid);
- ioctl (ip_fd, I_PUNLINK, ip_muxid);
- error_report("Can't set multiplexor id");
- }
-
- snprintf(dev, dev_size, "tap%d", ppa);
- return tap_fd;
-}
-
-int tap_open(char *ifname, int ifname_size, int *vnet_hdr,
- int vnet_hdr_required, int mq_required, Error **errp)
-{
- char dev[10]="";
- int fd;
-
- fd = tap_alloc(dev, sizeof(dev), errp);
- if (fd < 0) {
- return -1;
- }
- pstrcpy(ifname, ifname_size, dev);
- if (*vnet_hdr) {
- /* Solaris doesn't have IFF_VNET_HDR */
- *vnet_hdr = 0;
-
- if (vnet_hdr_required && !*vnet_hdr) {
- error_setg(errp, "vnet_hdr=1 requested, but no kernel "
- "support for IFF_VNET_HDR available");
- close(fd);
- return -1;
- }
- }
- fcntl(fd, F_SETFL, O_NONBLOCK);
- return fd;
-}
-
-void tap_set_sndbuf(int fd, const NetdevTapOptions *tap, Error **errp)
-{
-}
-
-int tap_probe_vnet_hdr(int fd)
-{
- return 0;
-}
-
-int tap_probe_has_ufo(int fd)
-{
- return 0;
-}
-
-int tap_probe_vnet_hdr_len(int fd, int len)
-{
- return 0;
-}
-
-void tap_fd_set_vnet_hdr_len(int fd, int len)
-{
-}
-
-int tap_fd_set_vnet_le(int fd, int is_le)
-{
- return -EINVAL;
-}
-
-int tap_fd_set_vnet_be(int fd, int is_be)
-{
- return -EINVAL;
-}
-
-void tap_fd_set_offload(int fd, int csum, int tso4,
- int tso6, int ecn, int ufo)
-{
-}
-
-int tap_fd_enable(int fd)
-{
- return -1;
-}
-
-int tap_fd_disable(int fd)
-{
- return -1;
-}
-
-int tap_fd_get_ifname(int fd, char *ifname)
-{
- return -1;
-}
diff --git a/qemu/net/tap-win32.c b/qemu/net/tap-win32.c
deleted file mode 100644
index f1e142ace..000000000
--- a/qemu/net/tap-win32.c
+++ /dev/null
@@ -1,820 +0,0 @@
-/*
- * TAP-Win32 -- A kernel driver to provide virtual tap device functionality
- * on Windows. Originally derived from the CIPE-Win32
- * project by Damion K. Wilson, with extensive modifications by
- * James Yonan.
- *
- * All source code which derives from the CIPE-Win32 project is
- * Copyright (C) Damion K. Wilson, 2003, and is released under the
- * GPL version 2 (see below).
- *
- * All other source code is Copyright (C) James Yonan, 2003-2004,
- * and is released under the GPL version 2 (see below).
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program (see the file COPYING included with this
- * distribution); if not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "qemu/osdep.h"
-#include "tap_int.h"
-
-#include "qemu-common.h"
-#include "clients.h" /* net_init_tap */
-#include "net/net.h"
-#include "net/tap.h" /* tap_has_ufo, ... */
-#include "sysemu/sysemu.h"
-#include "qemu/error-report.h"
-#include <windows.h>
-#include <winioctl.h>
-
-//=============
-// TAP IOCTLs
-//=============
-
-#define TAP_CONTROL_CODE(request,method) \
- CTL_CODE (FILE_DEVICE_UNKNOWN, request, method, FILE_ANY_ACCESS)
-
-#define TAP_IOCTL_GET_MAC TAP_CONTROL_CODE (1, METHOD_BUFFERED)
-#define TAP_IOCTL_GET_VERSION TAP_CONTROL_CODE (2, METHOD_BUFFERED)
-#define TAP_IOCTL_GET_MTU TAP_CONTROL_CODE (3, METHOD_BUFFERED)
-#define TAP_IOCTL_GET_INFO TAP_CONTROL_CODE (4, METHOD_BUFFERED)
-#define TAP_IOCTL_CONFIG_POINT_TO_POINT TAP_CONTROL_CODE (5, METHOD_BUFFERED)
-#define TAP_IOCTL_SET_MEDIA_STATUS TAP_CONTROL_CODE (6, METHOD_BUFFERED)
-#define TAP_IOCTL_CONFIG_DHCP_MASQ TAP_CONTROL_CODE (7, METHOD_BUFFERED)
-#define TAP_IOCTL_GET_LOG_LINE TAP_CONTROL_CODE (8, METHOD_BUFFERED)
-#define TAP_IOCTL_CONFIG_DHCP_SET_OPT TAP_CONTROL_CODE (9, METHOD_BUFFERED)
-
-//=================
-// Registry keys
-//=================
-
-#define ADAPTER_KEY "SYSTEM\\CurrentControlSet\\Control\\Class\\{4D36E972-E325-11CE-BFC1-08002BE10318}"
-
-#define NETWORK_CONNECTIONS_KEY "SYSTEM\\CurrentControlSet\\Control\\Network\\{4D36E972-E325-11CE-BFC1-08002BE10318}"
-
-//======================
-// Filesystem prefixes
-//======================
-
-#define USERMODEDEVICEDIR "\\\\.\\Global\\"
-#define TAPSUFFIX ".tap"
-
-
-//======================
-// Compile time configuration
-//======================
-
-//#define DEBUG_TAP_WIN32
-
-/* FIXME: The asynch write path appears to be broken at
- * present. WriteFile() ignores the lpNumberOfBytesWritten parameter
- * for overlapped writes, with the result we return zero bytes sent,
- * and after handling a single packet, receive is disabled for this
- * interface. */
-/* #define TUN_ASYNCHRONOUS_WRITES 1 */
-
-#define TUN_BUFFER_SIZE 1560
-#define TUN_MAX_BUFFER_COUNT 32
-
-/*
- * The data member "buffer" must be the first element in the tun_buffer
- * structure. See the function, tap_win32_free_buffer.
- */
-typedef struct tun_buffer_s {
- unsigned char buffer [TUN_BUFFER_SIZE];
- unsigned long read_size;
- struct tun_buffer_s* next;
-} tun_buffer_t;
-
-typedef struct tap_win32_overlapped {
- HANDLE handle;
- HANDLE read_event;
- HANDLE write_event;
- HANDLE output_queue_semaphore;
- HANDLE free_list_semaphore;
- HANDLE tap_semaphore;
- CRITICAL_SECTION output_queue_cs;
- CRITICAL_SECTION free_list_cs;
- OVERLAPPED read_overlapped;
- OVERLAPPED write_overlapped;
- tun_buffer_t buffers[TUN_MAX_BUFFER_COUNT];
- tun_buffer_t* free_list;
- tun_buffer_t* output_queue_front;
- tun_buffer_t* output_queue_back;
-} tap_win32_overlapped_t;
-
-static tap_win32_overlapped_t tap_overlapped;
-
-static tun_buffer_t* get_buffer_from_free_list(tap_win32_overlapped_t* const overlapped)
-{
- tun_buffer_t* buffer = NULL;
- WaitForSingleObject(overlapped->free_list_semaphore, INFINITE);
- EnterCriticalSection(&overlapped->free_list_cs);
- buffer = overlapped->free_list;
-// assert(buffer != NULL);
- overlapped->free_list = buffer->next;
- LeaveCriticalSection(&overlapped->free_list_cs);
- buffer->next = NULL;
- return buffer;
-}
-
-static void put_buffer_on_free_list(tap_win32_overlapped_t* const overlapped, tun_buffer_t* const buffer)
-{
- EnterCriticalSection(&overlapped->free_list_cs);
- buffer->next = overlapped->free_list;
- overlapped->free_list = buffer;
- LeaveCriticalSection(&overlapped->free_list_cs);
- ReleaseSemaphore(overlapped->free_list_semaphore, 1, NULL);
-}
-
-static tun_buffer_t* get_buffer_from_output_queue(tap_win32_overlapped_t* const overlapped, const int block)
-{
- tun_buffer_t* buffer = NULL;
- DWORD result, timeout = block ? INFINITE : 0L;
-
- // Non-blocking call
- result = WaitForSingleObject(overlapped->output_queue_semaphore, timeout);
-
- switch (result)
- {
- // The semaphore object was signaled.
- case WAIT_OBJECT_0:
- EnterCriticalSection(&overlapped->output_queue_cs);
-
- buffer = overlapped->output_queue_front;
- overlapped->output_queue_front = buffer->next;
-
- if(overlapped->output_queue_front == NULL) {
- overlapped->output_queue_back = NULL;
- }
-
- LeaveCriticalSection(&overlapped->output_queue_cs);
- break;
-
- // Semaphore was nonsignaled, so a time-out occurred.
- case WAIT_TIMEOUT:
- // Cannot open another window.
- break;
- }
-
- return buffer;
-}
-
-static tun_buffer_t* get_buffer_from_output_queue_immediate (tap_win32_overlapped_t* const overlapped)
-{
- return get_buffer_from_output_queue(overlapped, 0);
-}
-
-static void put_buffer_on_output_queue(tap_win32_overlapped_t* const overlapped, tun_buffer_t* const buffer)
-{
- EnterCriticalSection(&overlapped->output_queue_cs);
-
- if(overlapped->output_queue_front == NULL && overlapped->output_queue_back == NULL) {
- overlapped->output_queue_front = overlapped->output_queue_back = buffer;
- } else {
- buffer->next = NULL;
- overlapped->output_queue_back->next = buffer;
- overlapped->output_queue_back = buffer;
- }
-
- LeaveCriticalSection(&overlapped->output_queue_cs);
-
- ReleaseSemaphore(overlapped->output_queue_semaphore, 1, NULL);
-}
-
-
-static int is_tap_win32_dev(const char *guid)
-{
- HKEY netcard_key;
- LONG status;
- DWORD len;
- int i = 0;
-
- status = RegOpenKeyEx(
- HKEY_LOCAL_MACHINE,
- ADAPTER_KEY,
- 0,
- KEY_READ,
- &netcard_key);
-
- if (status != ERROR_SUCCESS) {
- return FALSE;
- }
-
- for (;;) {
- char enum_name[256];
- char unit_string[256];
- HKEY unit_key;
- char component_id_string[] = "ComponentId";
- char component_id[256];
- char net_cfg_instance_id_string[] = "NetCfgInstanceId";
- char net_cfg_instance_id[256];
- DWORD data_type;
-
- len = sizeof (enum_name);
- status = RegEnumKeyEx(
- netcard_key,
- i,
- enum_name,
- &len,
- NULL,
- NULL,
- NULL,
- NULL);
-
- if (status == ERROR_NO_MORE_ITEMS)
- break;
- else if (status != ERROR_SUCCESS) {
- return FALSE;
- }
-
- snprintf (unit_string, sizeof(unit_string), "%s\\%s",
- ADAPTER_KEY, enum_name);
-
- status = RegOpenKeyEx(
- HKEY_LOCAL_MACHINE,
- unit_string,
- 0,
- KEY_READ,
- &unit_key);
-
- if (status != ERROR_SUCCESS) {
- return FALSE;
- } else {
- len = sizeof (component_id);
- status = RegQueryValueEx(
- unit_key,
- component_id_string,
- NULL,
- &data_type,
- (LPBYTE)component_id,
- &len);
-
- if (!(status != ERROR_SUCCESS || data_type != REG_SZ)) {
- len = sizeof (net_cfg_instance_id);
- status = RegQueryValueEx(
- unit_key,
- net_cfg_instance_id_string,
- NULL,
- &data_type,
- (LPBYTE)net_cfg_instance_id,
- &len);
-
- if (status == ERROR_SUCCESS && data_type == REG_SZ) {
- if (/* !strcmp (component_id, TAP_COMPONENT_ID) &&*/
- !strcmp (net_cfg_instance_id, guid)) {
- RegCloseKey (unit_key);
- RegCloseKey (netcard_key);
- return TRUE;
- }
- }
- }
- RegCloseKey (unit_key);
- }
- ++i;
- }
-
- RegCloseKey (netcard_key);
- return FALSE;
-}
-
-static int get_device_guid(
- char *name,
- int name_size,
- char *actual_name,
- int actual_name_size)
-{
- LONG status;
- HKEY control_net_key;
- DWORD len;
- int i = 0;
- int stop = 0;
-
- status = RegOpenKeyEx(
- HKEY_LOCAL_MACHINE,
- NETWORK_CONNECTIONS_KEY,
- 0,
- KEY_READ,
- &control_net_key);
-
- if (status != ERROR_SUCCESS) {
- return -1;
- }
-
- while (!stop)
- {
- char enum_name[256];
- char connection_string[256];
- HKEY connection_key;
- char name_data[256];
- DWORD name_type;
- const char name_string[] = "Name";
-
- len = sizeof (enum_name);
- status = RegEnumKeyEx(
- control_net_key,
- i,
- enum_name,
- &len,
- NULL,
- NULL,
- NULL,
- NULL);
-
- if (status == ERROR_NO_MORE_ITEMS)
- break;
- else if (status != ERROR_SUCCESS) {
- return -1;
- }
-
- snprintf(connection_string,
- sizeof(connection_string),
- "%s\\%s\\Connection",
- NETWORK_CONNECTIONS_KEY, enum_name);
-
- status = RegOpenKeyEx(
- HKEY_LOCAL_MACHINE,
- connection_string,
- 0,
- KEY_READ,
- &connection_key);
-
- if (status == ERROR_SUCCESS) {
- len = sizeof (name_data);
- status = RegQueryValueEx(
- connection_key,
- name_string,
- NULL,
- &name_type,
- (LPBYTE)name_data,
- &len);
-
- if (status != ERROR_SUCCESS || name_type != REG_SZ) {
- ++i;
- continue;
- }
- else {
- if (is_tap_win32_dev(enum_name)) {
- snprintf(name, name_size, "%s", enum_name);
- if (actual_name) {
- if (strcmp(actual_name, "") != 0) {
- if (strcmp(name_data, actual_name) != 0) {
- RegCloseKey (connection_key);
- ++i;
- continue;
- }
- }
- else {
- snprintf(actual_name, actual_name_size, "%s", name_data);
- }
- }
- stop = 1;
- }
- }
-
- RegCloseKey (connection_key);
- }
- ++i;
- }
-
- RegCloseKey (control_net_key);
-
- if (stop == 0)
- return -1;
-
- return 0;
-}
-
-static int tap_win32_set_status(HANDLE handle, int status)
-{
- unsigned long len = 0;
-
- return DeviceIoControl(handle, TAP_IOCTL_SET_MEDIA_STATUS,
- &status, sizeof (status),
- &status, sizeof (status), &len, NULL);
-}
-
-static void tap_win32_overlapped_init(tap_win32_overlapped_t* const overlapped, const HANDLE handle)
-{
- overlapped->handle = handle;
-
- overlapped->read_event = CreateEvent(NULL, FALSE, FALSE, NULL);
- overlapped->write_event = CreateEvent(NULL, FALSE, FALSE, NULL);
-
- overlapped->read_overlapped.Offset = 0;
- overlapped->read_overlapped.OffsetHigh = 0;
- overlapped->read_overlapped.hEvent = overlapped->read_event;
-
- overlapped->write_overlapped.Offset = 0;
- overlapped->write_overlapped.OffsetHigh = 0;
- overlapped->write_overlapped.hEvent = overlapped->write_event;
-
- InitializeCriticalSection(&overlapped->output_queue_cs);
- InitializeCriticalSection(&overlapped->free_list_cs);
-
- overlapped->output_queue_semaphore = CreateSemaphore(
- NULL, // default security attributes
- 0, // initial count
- TUN_MAX_BUFFER_COUNT, // maximum count
- NULL); // unnamed semaphore
-
- if(!overlapped->output_queue_semaphore) {
- fprintf(stderr, "error creating output queue semaphore!\n");
- }
-
- overlapped->free_list_semaphore = CreateSemaphore(
- NULL, // default security attributes
- TUN_MAX_BUFFER_COUNT, // initial count
- TUN_MAX_BUFFER_COUNT, // maximum count
- NULL); // unnamed semaphore
-
- if(!overlapped->free_list_semaphore) {
- fprintf(stderr, "error creating free list semaphore!\n");
- }
-
- overlapped->free_list = overlapped->output_queue_front = overlapped->output_queue_back = NULL;
-
- {
- unsigned index;
- for(index = 0; index < TUN_MAX_BUFFER_COUNT; index++) {
- tun_buffer_t* element = &overlapped->buffers[index];
- element->next = overlapped->free_list;
- overlapped->free_list = element;
- }
- }
- /* To count buffers, initially no-signal. */
- overlapped->tap_semaphore = CreateSemaphore(NULL, 0, TUN_MAX_BUFFER_COUNT, NULL);
- if(!overlapped->tap_semaphore)
- fprintf(stderr, "error creating tap_semaphore.\n");
-}
-
-static int tap_win32_write(tap_win32_overlapped_t *overlapped,
- const void *buffer, unsigned long size)
-{
- unsigned long write_size;
- BOOL result;
- DWORD error;
-
-#ifdef TUN_ASYNCHRONOUS_WRITES
- result = GetOverlappedResult( overlapped->handle, &overlapped->write_overlapped,
- &write_size, FALSE);
-
- if (!result && GetLastError() == ERROR_IO_INCOMPLETE)
- WaitForSingleObject(overlapped->write_event, INFINITE);
-#endif
-
- result = WriteFile(overlapped->handle, buffer, size,
- &write_size, &overlapped->write_overlapped);
-
-#ifdef TUN_ASYNCHRONOUS_WRITES
- /* FIXME: we can't sensibly set write_size here, without waiting
- * for the IO to complete! Moreover, we can't return zero,
- * because that will disable receive on this interface, and we
- * also can't assume it will succeed and return the full size,
- * because that will result in the buffer being reclaimed while
- * the IO is in progress. */
-#error Async writes are broken. Please disable TUN_ASYNCHRONOUS_WRITES.
-#else /* !TUN_ASYNCHRONOUS_WRITES */
- if (!result) {
- error = GetLastError();
- if (error == ERROR_IO_PENDING) {
- result = GetOverlappedResult(overlapped->handle,
- &overlapped->write_overlapped,
- &write_size, TRUE);
- }
- }
-#endif
-
- if (!result) {
-#ifdef DEBUG_TAP_WIN32
- LPTSTR msgbuf;
- error = GetLastError();
- FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM,
- NULL, error, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
- &msgbuf, 0, NULL);
- fprintf(stderr, "Tap-Win32: Error WriteFile %d - %s\n", error, msgbuf);
- LocalFree(msgbuf);
-#endif
- return 0;
- }
-
- return write_size;
-}
-
-static DWORD WINAPI tap_win32_thread_entry(LPVOID param)
-{
- tap_win32_overlapped_t *overlapped = (tap_win32_overlapped_t*)param;
- unsigned long read_size;
- BOOL result;
- DWORD dwError;
- tun_buffer_t* buffer = get_buffer_from_free_list(overlapped);
-
-
- for (;;) {
- result = ReadFile(overlapped->handle,
- buffer->buffer,
- sizeof(buffer->buffer),
- &read_size,
- &overlapped->read_overlapped);
- if (!result) {
- dwError = GetLastError();
- if (dwError == ERROR_IO_PENDING) {
- WaitForSingleObject(overlapped->read_event, INFINITE);
- result = GetOverlappedResult( overlapped->handle, &overlapped->read_overlapped,
- &read_size, FALSE);
- if (!result) {
-#ifdef DEBUG_TAP_WIN32
- LPVOID lpBuffer;
- dwError = GetLastError();
- FormatMessage( FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
- NULL, dwError, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
- (LPTSTR) & lpBuffer, 0, NULL );
- fprintf(stderr, "Tap-Win32: Error GetOverlappedResult %d - %s\n", dwError, lpBuffer);
- LocalFree( lpBuffer );
-#endif
- }
- } else {
-#ifdef DEBUG_TAP_WIN32
- LPVOID lpBuffer;
- FormatMessage( FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
- NULL, dwError, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
- (LPTSTR) & lpBuffer, 0, NULL );
- fprintf(stderr, "Tap-Win32: Error ReadFile %d - %s\n", dwError, lpBuffer);
- LocalFree( lpBuffer );
-#endif
- }
- }
-
- if(read_size > 0) {
- buffer->read_size = read_size;
- put_buffer_on_output_queue(overlapped, buffer);
- ReleaseSemaphore(overlapped->tap_semaphore, 1, NULL);
- buffer = get_buffer_from_free_list(overlapped);
- }
- }
-
- return 0;
-}
-
-static int tap_win32_read(tap_win32_overlapped_t *overlapped,
- uint8_t **pbuf, int max_size)
-{
- int size = 0;
-
- tun_buffer_t* buffer = get_buffer_from_output_queue_immediate(overlapped);
-
- if(buffer != NULL) {
- *pbuf = buffer->buffer;
- size = (int)buffer->read_size;
- if(size > max_size) {
- size = max_size;
- }
- }
-
- return size;
-}
-
-static void tap_win32_free_buffer(tap_win32_overlapped_t *overlapped,
- uint8_t *pbuf)
-{
- tun_buffer_t* buffer = (tun_buffer_t*)pbuf;
- put_buffer_on_free_list(overlapped, buffer);
-}
-
-static int tap_win32_open(tap_win32_overlapped_t **phandle,
- const char *preferred_name)
-{
- char device_path[256];
- char device_guid[0x100];
- int rc;
- HANDLE handle;
- BOOL bret;
- char name_buffer[0x100] = {0, };
- struct {
- unsigned long major;
- unsigned long minor;
- unsigned long debug;
- } version;
- DWORD version_len;
- DWORD idThread;
-
- if (preferred_name != NULL) {
- snprintf(name_buffer, sizeof(name_buffer), "%s", preferred_name);
- }
-
- rc = get_device_guid(device_guid, sizeof(device_guid), name_buffer, sizeof(name_buffer));
- if (rc)
- return -1;
-
- snprintf (device_path, sizeof(device_path), "%s%s%s",
- USERMODEDEVICEDIR,
- device_guid,
- TAPSUFFIX);
-
- handle = CreateFile (
- device_path,
- GENERIC_READ | GENERIC_WRITE,
- 0,
- 0,
- OPEN_EXISTING,
- FILE_ATTRIBUTE_SYSTEM | FILE_FLAG_OVERLAPPED,
- 0 );
-
- if (handle == INVALID_HANDLE_VALUE) {
- return -1;
- }
-
- bret = DeviceIoControl(handle, TAP_IOCTL_GET_VERSION,
- &version, sizeof (version),
- &version, sizeof (version), &version_len, NULL);
-
- if (bret == FALSE) {
- CloseHandle(handle);
- return -1;
- }
-
- if (!tap_win32_set_status(handle, TRUE)) {
- return -1;
- }
-
- tap_win32_overlapped_init(&tap_overlapped, handle);
-
- *phandle = &tap_overlapped;
-
- CreateThread(NULL, 0, tap_win32_thread_entry,
- (LPVOID)&tap_overlapped, 0, &idThread);
- return 0;
-}
-
-/********************************************/
-
- typedef struct TAPState {
- NetClientState nc;
- tap_win32_overlapped_t *handle;
- } TAPState;
-
-static void tap_cleanup(NetClientState *nc)
-{
- TAPState *s = DO_UPCAST(TAPState, nc, nc);
-
- qemu_del_wait_object(s->handle->tap_semaphore, NULL, NULL);
-
- /* FIXME: need to kill thread and close file handle:
- tap_win32_close(s);
- */
-}
-
-static ssize_t tap_receive(NetClientState *nc, const uint8_t *buf, size_t size)
-{
- TAPState *s = DO_UPCAST(TAPState, nc, nc);
-
- return tap_win32_write(s->handle, buf, size);
-}
-
-static void tap_win32_send(void *opaque)
-{
- TAPState *s = opaque;
- uint8_t *buf;
- int max_size = 4096;
- int size;
-
- size = tap_win32_read(s->handle, &buf, max_size);
- if (size > 0) {
- qemu_send_packet(&s->nc, buf, size);
- tap_win32_free_buffer(s->handle, buf);
- }
-}
-
-static bool tap_has_ufo(NetClientState *nc)
-{
- return false;
-}
-
-static bool tap_has_vnet_hdr(NetClientState *nc)
-{
- return false;
-}
-
-int tap_probe_vnet_hdr_len(int fd, int len)
-{
- return 0;
-}
-
-void tap_fd_set_vnet_hdr_len(int fd, int len)
-{
-}
-
-int tap_fd_set_vnet_le(int fd, int is_le)
-{
- return -EINVAL;
-}
-
-int tap_fd_set_vnet_be(int fd, int is_be)
-{
- return -EINVAL;
-}
-
-static void tap_using_vnet_hdr(NetClientState *nc, bool using_vnet_hdr)
-{
-}
-
-static void tap_set_offload(NetClientState *nc, int csum, int tso4,
- int tso6, int ecn, int ufo)
-{
-}
-
-struct vhost_net *tap_get_vhost_net(NetClientState *nc)
-{
- return NULL;
-}
-
-static bool tap_has_vnet_hdr_len(NetClientState *nc, int len)
-{
- return false;
-}
-
-static void tap_set_vnet_hdr_len(NetClientState *nc, int len)
-{
- abort();
-}
-
-static NetClientInfo net_tap_win32_info = {
- .type = NET_CLIENT_OPTIONS_KIND_TAP,
- .size = sizeof(TAPState),
- .receive = tap_receive,
- .cleanup = tap_cleanup,
- .has_ufo = tap_has_ufo,
- .has_vnet_hdr = tap_has_vnet_hdr,
- .has_vnet_hdr_len = tap_has_vnet_hdr_len,
- .using_vnet_hdr = tap_using_vnet_hdr,
- .set_offload = tap_set_offload,
- .set_vnet_hdr_len = tap_set_vnet_hdr_len,
-};
-
-static int tap_win32_init(NetClientState *peer, const char *model,
- const char *name, const char *ifname)
-{
- NetClientState *nc;
- TAPState *s;
- tap_win32_overlapped_t *handle;
-
- if (tap_win32_open(&handle, ifname) < 0) {
- printf("tap: Could not open '%s'\n", ifname);
- return -1;
- }
-
- nc = qemu_new_net_client(&net_tap_win32_info, peer, model, name);
-
- s = DO_UPCAST(TAPState, nc, nc);
-
- snprintf(s->nc.info_str, sizeof(s->nc.info_str),
- "tap: ifname=%s", ifname);
-
- s->handle = handle;
-
- qemu_add_wait_object(s->handle->tap_semaphore, tap_win32_send, s);
-
- return 0;
-}
-
-int net_init_tap(const NetClientOptions *opts, const char *name,
- NetClientState *peer, Error **errp)
-{
- /* FIXME error_setg(errp, ...) on failure */
- const NetdevTapOptions *tap;
-
- assert(opts->type == NET_CLIENT_OPTIONS_KIND_TAP);
- tap = opts->u.tap.data;
-
- if (!tap->has_ifname) {
- error_report("tap: no interface name");
- return -1;
- }
-
- if (tap_win32_init(peer, "tap", name, tap->ifname) == -1) {
- return -1;
- }
-
- return 0;
-}
-
-int tap_enable(NetClientState *nc)
-{
- abort();
-}
-
-int tap_disable(NetClientState *nc)
-{
- abort();
-}
diff --git a/qemu/net/tap.c b/qemu/net/tap.c
deleted file mode 100644
index 740e8a261..000000000
--- a/qemu/net/tap.c
+++ /dev/null
@@ -1,931 +0,0 @@
-/*
- * QEMU System Emulator
- *
- * Copyright (c) 2003-2008 Fabrice Bellard
- * Copyright (c) 2009 Red Hat, Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#include "qemu/osdep.h"
-#include "tap_int.h"
-
-
-#include <sys/ioctl.h>
-#include <sys/wait.h>
-#include <sys/socket.h>
-#include <net/if.h>
-
-#include "net/net.h"
-#include "clients.h"
-#include "monitor/monitor.h"
-#include "sysemu/sysemu.h"
-#include "qapi/error.h"
-#include "qemu-common.h"
-#include "qemu/cutils.h"
-#include "qemu/error-report.h"
-
-#include "net/tap.h"
-
-#include "net/vhost_net.h"
-
-typedef struct TAPState {
- NetClientState nc;
- int fd;
- char down_script[1024];
- char down_script_arg[128];
- uint8_t buf[NET_BUFSIZE];
- bool read_poll;
- bool write_poll;
- bool using_vnet_hdr;
- bool has_ufo;
- bool enabled;
- VHostNetState *vhost_net;
- unsigned host_vnet_hdr_len;
-} TAPState;
-
-static void launch_script(const char *setup_script, const char *ifname,
- int fd, Error **errp);
-
-static void tap_send(void *opaque);
-static void tap_writable(void *opaque);
-
-static void tap_update_fd_handler(TAPState *s)
-{
- qemu_set_fd_handler(s->fd,
- s->read_poll && s->enabled ? tap_send : NULL,
- s->write_poll && s->enabled ? tap_writable : NULL,
- s);
-}
-
-static void tap_read_poll(TAPState *s, bool enable)
-{
- s->read_poll = enable;
- tap_update_fd_handler(s);
-}
-
-static void tap_write_poll(TAPState *s, bool enable)
-{
- s->write_poll = enable;
- tap_update_fd_handler(s);
-}
-
-static void tap_writable(void *opaque)
-{
- TAPState *s = opaque;
-
- tap_write_poll(s, false);
-
- qemu_flush_queued_packets(&s->nc);
-}
-
-static ssize_t tap_write_packet(TAPState *s, const struct iovec *iov, int iovcnt)
-{
- ssize_t len;
-
- do {
- len = writev(s->fd, iov, iovcnt);
- } while (len == -1 && errno == EINTR);
-
- if (len == -1 && errno == EAGAIN) {
- tap_write_poll(s, true);
- return 0;
- }
-
- return len;
-}
-
-static ssize_t tap_receive_iov(NetClientState *nc, const struct iovec *iov,
- int iovcnt)
-{
- TAPState *s = DO_UPCAST(TAPState, nc, nc);
- const struct iovec *iovp = iov;
- struct iovec iov_copy[iovcnt + 1];
- struct virtio_net_hdr_mrg_rxbuf hdr = { };
-
- if (s->host_vnet_hdr_len && !s->using_vnet_hdr) {
- iov_copy[0].iov_base = &hdr;
- iov_copy[0].iov_len = s->host_vnet_hdr_len;
- memcpy(&iov_copy[1], iov, iovcnt * sizeof(*iov));
- iovp = iov_copy;
- iovcnt++;
- }
-
- return tap_write_packet(s, iovp, iovcnt);
-}
-
-static ssize_t tap_receive_raw(NetClientState *nc, const uint8_t *buf, size_t size)
-{
- TAPState *s = DO_UPCAST(TAPState, nc, nc);
- struct iovec iov[2];
- int iovcnt = 0;
- struct virtio_net_hdr_mrg_rxbuf hdr = { };
-
- if (s->host_vnet_hdr_len) {
- iov[iovcnt].iov_base = &hdr;
- iov[iovcnt].iov_len = s->host_vnet_hdr_len;
- iovcnt++;
- }
-
- iov[iovcnt].iov_base = (char *)buf;
- iov[iovcnt].iov_len = size;
- iovcnt++;
-
- return tap_write_packet(s, iov, iovcnt);
-}
-
-static ssize_t tap_receive(NetClientState *nc, const uint8_t *buf, size_t size)
-{
- TAPState *s = DO_UPCAST(TAPState, nc, nc);
- struct iovec iov[1];
-
- if (s->host_vnet_hdr_len && !s->using_vnet_hdr) {
- return tap_receive_raw(nc, buf, size);
- }
-
- iov[0].iov_base = (char *)buf;
- iov[0].iov_len = size;
-
- return tap_write_packet(s, iov, 1);
-}
-
-#ifndef __sun__
-ssize_t tap_read_packet(int tapfd, uint8_t *buf, int maxlen)
-{
- return read(tapfd, buf, maxlen);
-}
-#endif
-
-static void tap_send_completed(NetClientState *nc, ssize_t len)
-{
- TAPState *s = DO_UPCAST(TAPState, nc, nc);
- tap_read_poll(s, true);
-}
-
-static void tap_send(void *opaque)
-{
- TAPState *s = opaque;
- int size;
- int packets = 0;
-
- while (true) {
- uint8_t *buf = s->buf;
-
- size = tap_read_packet(s->fd, s->buf, sizeof(s->buf));
- if (size <= 0) {
- break;
- }
-
- if (s->host_vnet_hdr_len && !s->using_vnet_hdr) {
- buf += s->host_vnet_hdr_len;
- size -= s->host_vnet_hdr_len;
- }
-
- size = qemu_send_packet_async(&s->nc, buf, size, tap_send_completed);
- if (size == 0) {
- tap_read_poll(s, false);
- break;
- } else if (size < 0) {
- break;
- }
-
- /*
- * When the host keeps receiving more packets while tap_send() is
- * running we can hog the QEMU global mutex. Limit the number of
- * packets that are processed per tap_send() callback to prevent
- * stalling the guest.
- */
- packets++;
- if (packets >= 50) {
- break;
- }
- }
-}
-
-static bool tap_has_ufo(NetClientState *nc)
-{
- TAPState *s = DO_UPCAST(TAPState, nc, nc);
-
- assert(nc->info->type == NET_CLIENT_OPTIONS_KIND_TAP);
-
- return s->has_ufo;
-}
-
-static bool tap_has_vnet_hdr(NetClientState *nc)
-{
- TAPState *s = DO_UPCAST(TAPState, nc, nc);
-
- assert(nc->info->type == NET_CLIENT_OPTIONS_KIND_TAP);
-
- return !!s->host_vnet_hdr_len;
-}
-
-static bool tap_has_vnet_hdr_len(NetClientState *nc, int len)
-{
- TAPState *s = DO_UPCAST(TAPState, nc, nc);
-
- assert(nc->info->type == NET_CLIENT_OPTIONS_KIND_TAP);
-
- return !!tap_probe_vnet_hdr_len(s->fd, len);
-}
-
-static void tap_set_vnet_hdr_len(NetClientState *nc, int len)
-{
- TAPState *s = DO_UPCAST(TAPState, nc, nc);
-
- assert(nc->info->type == NET_CLIENT_OPTIONS_KIND_TAP);
- assert(len == sizeof(struct virtio_net_hdr_mrg_rxbuf) ||
- len == sizeof(struct virtio_net_hdr));
-
- tap_fd_set_vnet_hdr_len(s->fd, len);
- s->host_vnet_hdr_len = len;
-}
-
-static void tap_using_vnet_hdr(NetClientState *nc, bool using_vnet_hdr)
-{
- TAPState *s = DO_UPCAST(TAPState, nc, nc);
-
- assert(nc->info->type == NET_CLIENT_OPTIONS_KIND_TAP);
- assert(!!s->host_vnet_hdr_len == using_vnet_hdr);
-
- s->using_vnet_hdr = using_vnet_hdr;
-}
-
-static int tap_set_vnet_le(NetClientState *nc, bool is_le)
-{
- TAPState *s = DO_UPCAST(TAPState, nc, nc);
-
- return tap_fd_set_vnet_le(s->fd, is_le);
-}
-
-static int tap_set_vnet_be(NetClientState *nc, bool is_be)
-{
- TAPState *s = DO_UPCAST(TAPState, nc, nc);
-
- return tap_fd_set_vnet_be(s->fd, is_be);
-}
-
-static void tap_set_offload(NetClientState *nc, int csum, int tso4,
- int tso6, int ecn, int ufo)
-{
- TAPState *s = DO_UPCAST(TAPState, nc, nc);
- if (s->fd < 0) {
- return;
- }
-
- tap_fd_set_offload(s->fd, csum, tso4, tso6, ecn, ufo);
-}
-
-static void tap_cleanup(NetClientState *nc)
-{
- TAPState *s = DO_UPCAST(TAPState, nc, nc);
- Error *err = NULL;
-
- if (s->vhost_net) {
- vhost_net_cleanup(s->vhost_net);
- s->vhost_net = NULL;
- }
-
- qemu_purge_queued_packets(nc);
-
- if (s->down_script[0]) {
- launch_script(s->down_script, s->down_script_arg, s->fd, &err);
- if (err) {
- error_report_err(err);
- }
- }
-
- tap_read_poll(s, false);
- tap_write_poll(s, false);
- close(s->fd);
- s->fd = -1;
-}
-
-static void tap_poll(NetClientState *nc, bool enable)
-{
- TAPState *s = DO_UPCAST(TAPState, nc, nc);
- tap_read_poll(s, enable);
- tap_write_poll(s, enable);
-}
-
-int tap_get_fd(NetClientState *nc)
-{
- TAPState *s = DO_UPCAST(TAPState, nc, nc);
- assert(nc->info->type == NET_CLIENT_OPTIONS_KIND_TAP);
- return s->fd;
-}
-
-/* fd support */
-
-static NetClientInfo net_tap_info = {
- .type = NET_CLIENT_OPTIONS_KIND_TAP,
- .size = sizeof(TAPState),
- .receive = tap_receive,
- .receive_raw = tap_receive_raw,
- .receive_iov = tap_receive_iov,
- .poll = tap_poll,
- .cleanup = tap_cleanup,
- .has_ufo = tap_has_ufo,
- .has_vnet_hdr = tap_has_vnet_hdr,
- .has_vnet_hdr_len = tap_has_vnet_hdr_len,
- .using_vnet_hdr = tap_using_vnet_hdr,
- .set_offload = tap_set_offload,
- .set_vnet_hdr_len = tap_set_vnet_hdr_len,
- .set_vnet_le = tap_set_vnet_le,
- .set_vnet_be = tap_set_vnet_be,
-};
-
-static TAPState *net_tap_fd_init(NetClientState *peer,
- const char *model,
- const char *name,
- int fd,
- int vnet_hdr)
-{
- NetClientState *nc;
- TAPState *s;
-
- nc = qemu_new_net_client(&net_tap_info, peer, model, name);
-
- s = DO_UPCAST(TAPState, nc, nc);
-
- s->fd = fd;
- s->host_vnet_hdr_len = vnet_hdr ? sizeof(struct virtio_net_hdr) : 0;
- s->using_vnet_hdr = false;
- s->has_ufo = tap_probe_has_ufo(s->fd);
- s->enabled = true;
- tap_set_offload(&s->nc, 0, 0, 0, 0, 0);
- /*
- * Make sure host header length is set correctly in tap:
- * it might have been modified by another instance of qemu.
- */
- if (tap_probe_vnet_hdr_len(s->fd, s->host_vnet_hdr_len)) {
- tap_fd_set_vnet_hdr_len(s->fd, s->host_vnet_hdr_len);
- }
- tap_read_poll(s, true);
- s->vhost_net = NULL;
- return s;
-}
-
-static void launch_script(const char *setup_script, const char *ifname,
- int fd, Error **errp)
-{
- int pid, status;
- char *args[3];
- char **parg;
-
- /* try to launch network script */
- pid = fork();
- if (pid < 0) {
- error_setg_errno(errp, errno, "could not launch network script %s",
- setup_script);
- return;
- }
- if (pid == 0) {
- int open_max = sysconf(_SC_OPEN_MAX), i;
-
- for (i = 3; i < open_max; i++) {
- if (i != fd) {
- close(i);
- }
- }
- parg = args;
- *parg++ = (char *)setup_script;
- *parg++ = (char *)ifname;
- *parg = NULL;
- execv(setup_script, args);
- _exit(1);
- } else {
- while (waitpid(pid, &status, 0) != pid) {
- /* loop */
- }
-
- if (WIFEXITED(status) && WEXITSTATUS(status) == 0) {
- return;
- }
- error_setg(errp, "network script %s failed with status %d",
- setup_script, status);
- }
-}
-
-static int recv_fd(int c)
-{
- int fd;
- uint8_t msgbuf[CMSG_SPACE(sizeof(fd))];
- struct msghdr msg = {
- .msg_control = msgbuf,
- .msg_controllen = sizeof(msgbuf),
- };
- struct cmsghdr *cmsg;
- struct iovec iov;
- uint8_t req[1];
- ssize_t len;
-
- cmsg = CMSG_FIRSTHDR(&msg);
- cmsg->cmsg_level = SOL_SOCKET;
- cmsg->cmsg_type = SCM_RIGHTS;
- cmsg->cmsg_len = CMSG_LEN(sizeof(fd));
- msg.msg_controllen = cmsg->cmsg_len;
-
- iov.iov_base = req;
- iov.iov_len = sizeof(req);
-
- msg.msg_iov = &iov;
- msg.msg_iovlen = 1;
-
- len = recvmsg(c, &msg, 0);
- if (len > 0) {
- memcpy(&fd, CMSG_DATA(cmsg), sizeof(fd));
- return fd;
- }
-
- return len;
-}
-
-static int net_bridge_run_helper(const char *helper, const char *bridge,
- Error **errp)
-{
- sigset_t oldmask, mask;
- int pid, status;
- char *args[5];
- char **parg;
- int sv[2];
-
- sigemptyset(&mask);
- sigaddset(&mask, SIGCHLD);
- sigprocmask(SIG_BLOCK, &mask, &oldmask);
-
- if (socketpair(PF_UNIX, SOCK_STREAM, 0, sv) == -1) {
- error_setg_errno(errp, errno, "socketpair() failed");
- return -1;
- }
-
- /* try to launch bridge helper */
- pid = fork();
- if (pid < 0) {
- error_setg_errno(errp, errno, "Can't fork bridge helper");
- return -1;
- }
- if (pid == 0) {
- int open_max = sysconf(_SC_OPEN_MAX), i;
- char fd_buf[6+10];
- char br_buf[6+IFNAMSIZ] = {0};
- char helper_cmd[PATH_MAX + sizeof(fd_buf) + sizeof(br_buf) + 15];
-
- for (i = 3; i < open_max; i++) {
- if (i != sv[1]) {
- close(i);
- }
- }
-
- snprintf(fd_buf, sizeof(fd_buf), "%s%d", "--fd=", sv[1]);
-
- if (strrchr(helper, ' ') || strrchr(helper, '\t')) {
- /* assume helper is a command */
-
- if (strstr(helper, "--br=") == NULL) {
- snprintf(br_buf, sizeof(br_buf), "%s%s", "--br=", bridge);
- }
-
- snprintf(helper_cmd, sizeof(helper_cmd), "%s %s %s %s",
- helper, "--use-vnet", fd_buf, br_buf);
-
- parg = args;
- *parg++ = (char *)"sh";
- *parg++ = (char *)"-c";
- *parg++ = helper_cmd;
- *parg++ = NULL;
-
- execv("/bin/sh", args);
- } else {
- /* assume helper is just the executable path name */
-
- snprintf(br_buf, sizeof(br_buf), "%s%s", "--br=", bridge);
-
- parg = args;
- *parg++ = (char *)helper;
- *parg++ = (char *)"--use-vnet";
- *parg++ = fd_buf;
- *parg++ = br_buf;
- *parg++ = NULL;
-
- execv(helper, args);
- }
- _exit(1);
-
- } else {
- int fd;
- int saved_errno;
-
- close(sv[1]);
-
- do {
- fd = recv_fd(sv[0]);
- } while (fd == -1 && errno == EINTR);
- saved_errno = errno;
-
- close(sv[0]);
-
- while (waitpid(pid, &status, 0) != pid) {
- /* loop */
- }
- sigprocmask(SIG_SETMASK, &oldmask, NULL);
- if (fd < 0) {
- error_setg_errno(errp, saved_errno,
- "failed to recv file descriptor");
- return -1;
- }
- if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) {
- error_setg(errp, "bridge helper failed");
- return -1;
- }
- return fd;
- }
-}
-
-int net_init_bridge(const NetClientOptions *opts, const char *name,
- NetClientState *peer, Error **errp)
-{
- const NetdevBridgeOptions *bridge;
- const char *helper, *br;
- TAPState *s;
- int fd, vnet_hdr;
-
- assert(opts->type == NET_CLIENT_OPTIONS_KIND_BRIDGE);
- bridge = opts->u.bridge.data;
-
- helper = bridge->has_helper ? bridge->helper : DEFAULT_BRIDGE_HELPER;
- br = bridge->has_br ? bridge->br : DEFAULT_BRIDGE_INTERFACE;
-
- fd = net_bridge_run_helper(helper, br, errp);
- if (fd == -1) {
- return -1;
- }
-
- fcntl(fd, F_SETFL, O_NONBLOCK);
- vnet_hdr = tap_probe_vnet_hdr(fd);
- s = net_tap_fd_init(peer, "bridge", name, fd, vnet_hdr);
-
- snprintf(s->nc.info_str, sizeof(s->nc.info_str), "helper=%s,br=%s", helper,
- br);
-
- return 0;
-}
-
-static int net_tap_init(const NetdevTapOptions *tap, int *vnet_hdr,
- const char *setup_script, char *ifname,
- size_t ifname_sz, int mq_required, Error **errp)
-{
- Error *err = NULL;
- int fd, vnet_hdr_required;
-
- if (tap->has_vnet_hdr) {
- *vnet_hdr = tap->vnet_hdr;
- vnet_hdr_required = *vnet_hdr;
- } else {
- *vnet_hdr = 1;
- vnet_hdr_required = 0;
- }
-
- TFR(fd = tap_open(ifname, ifname_sz, vnet_hdr, vnet_hdr_required,
- mq_required, errp));
- if (fd < 0) {
- return -1;
- }
-
- if (setup_script &&
- setup_script[0] != '\0' &&
- strcmp(setup_script, "no") != 0) {
- launch_script(setup_script, ifname, fd, &err);
- if (err) {
- error_propagate(errp, err);
- close(fd);
- return -1;
- }
- }
-
- return fd;
-}
-
-#define MAX_TAP_QUEUES 1024
-
-static void net_init_tap_one(const NetdevTapOptions *tap, NetClientState *peer,
- const char *model, const char *name,
- const char *ifname, const char *script,
- const char *downscript, const char *vhostfdname,
- int vnet_hdr, int fd, Error **errp)
-{
- Error *err = NULL;
- TAPState *s = net_tap_fd_init(peer, model, name, fd, vnet_hdr);
- int vhostfd;
-
- tap_set_sndbuf(s->fd, tap, &err);
- if (err) {
- error_propagate(errp, err);
- return;
- }
-
- if (tap->has_fd || tap->has_fds) {
- snprintf(s->nc.info_str, sizeof(s->nc.info_str), "fd=%d", fd);
- } else if (tap->has_helper) {
- snprintf(s->nc.info_str, sizeof(s->nc.info_str), "helper=%s",
- tap->helper);
- } else {
- snprintf(s->nc.info_str, sizeof(s->nc.info_str),
- "ifname=%s,script=%s,downscript=%s", ifname, script,
- downscript);
-
- if (strcmp(downscript, "no") != 0) {
- snprintf(s->down_script, sizeof(s->down_script), "%s", downscript);
- snprintf(s->down_script_arg, sizeof(s->down_script_arg),
- "%s", ifname);
- }
- }
-
- if (tap->has_vhost ? tap->vhost :
- vhostfdname || (tap->has_vhostforce && tap->vhostforce)) {
- VhostNetOptions options;
-
- options.backend_type = VHOST_BACKEND_TYPE_KERNEL;
- options.net_backend = &s->nc;
-
- if (vhostfdname) {
- vhostfd = monitor_fd_param(cur_mon, vhostfdname, &err);
- if (vhostfd == -1) {
- error_propagate(errp, err);
- return;
- }
- } else {
- vhostfd = open("/dev/vhost-net", O_RDWR);
- if (vhostfd < 0) {
- error_setg_errno(errp, errno,
- "tap: open vhost char device failed");
- return;
- }
- }
- options.opaque = (void *)(uintptr_t)vhostfd;
-
- s->vhost_net = vhost_net_init(&options);
- if (!s->vhost_net) {
- error_setg(errp,
- "vhost-net requested but could not be initialized");
- return;
- }
- } else if (vhostfdname) {
- error_setg(errp, "vhostfd= is not valid without vhost");
- }
-}
-
-static int get_fds(char *str, char *fds[], int max)
-{
- char *ptr = str, *this;
- size_t len = strlen(str);
- int i = 0;
-
- while (i < max && ptr < str + len) {
- this = strchr(ptr, ':');
-
- if (this == NULL) {
- fds[i] = g_strdup(ptr);
- } else {
- fds[i] = g_strndup(ptr, this - ptr);
- }
-
- i++;
- if (this == NULL) {
- break;
- } else {
- ptr = this + 1;
- }
- }
-
- return i;
-}
-
-int net_init_tap(const NetClientOptions *opts, const char *name,
- NetClientState *peer, Error **errp)
-{
- const NetdevTapOptions *tap;
- int fd, vnet_hdr = 0, i = 0, queues;
- /* for the no-fd, no-helper case */
- const char *script = NULL; /* suppress wrong "uninit'd use" gcc warning */
- const char *downscript = NULL;
- Error *err = NULL;
- const char *vhostfdname;
- char ifname[128];
-
- assert(opts->type == NET_CLIENT_OPTIONS_KIND_TAP);
- tap = opts->u.tap.data;
- queues = tap->has_queues ? tap->queues : 1;
- vhostfdname = tap->has_vhostfd ? tap->vhostfd : NULL;
-
- /* QEMU vlans does not support multiqueue tap, in this case peer is set.
- * For -netdev, peer is always NULL. */
- if (peer && (tap->has_queues || tap->has_fds || tap->has_vhostfds)) {
- error_setg(errp, "Multiqueue tap cannot be used with QEMU vlans");
- return -1;
- }
-
- if (tap->has_fd) {
- if (tap->has_ifname || tap->has_script || tap->has_downscript ||
- tap->has_vnet_hdr || tap->has_helper || tap->has_queues ||
- tap->has_fds || tap->has_vhostfds) {
- error_setg(errp, "ifname=, script=, downscript=, vnet_hdr=, "
- "helper=, queues=, fds=, and vhostfds= "
- "are invalid with fd=");
- return -1;
- }
-
- fd = monitor_fd_param(cur_mon, tap->fd, &err);
- if (fd == -1) {
- error_propagate(errp, err);
- return -1;
- }
-
- fcntl(fd, F_SETFL, O_NONBLOCK);
-
- vnet_hdr = tap_probe_vnet_hdr(fd);
-
- net_init_tap_one(tap, peer, "tap", name, NULL,
- script, downscript,
- vhostfdname, vnet_hdr, fd, &err);
- if (err) {
- error_propagate(errp, err);
- return -1;
- }
- } else if (tap->has_fds) {
- char *fds[MAX_TAP_QUEUES];
- char *vhost_fds[MAX_TAP_QUEUES];
- int nfds, nvhosts;
-
- if (tap->has_ifname || tap->has_script || tap->has_downscript ||
- tap->has_vnet_hdr || tap->has_helper || tap->has_queues ||
- tap->has_vhostfd) {
- error_setg(errp, "ifname=, script=, downscript=, vnet_hdr=, "
- "helper=, queues=, and vhostfd= "
- "are invalid with fds=");
- return -1;
- }
-
- nfds = get_fds(tap->fds, fds, MAX_TAP_QUEUES);
- if (tap->has_vhostfds) {
- nvhosts = get_fds(tap->vhostfds, vhost_fds, MAX_TAP_QUEUES);
- if (nfds != nvhosts) {
- error_setg(errp, "The number of fds passed does not match "
- "the number of vhostfds passed");
- return -1;
- }
- }
-
- for (i = 0; i < nfds; i++) {
- fd = monitor_fd_param(cur_mon, fds[i], &err);
- if (fd == -1) {
- error_propagate(errp, err);
- return -1;
- }
-
- fcntl(fd, F_SETFL, O_NONBLOCK);
-
- if (i == 0) {
- vnet_hdr = tap_probe_vnet_hdr(fd);
- } else if (vnet_hdr != tap_probe_vnet_hdr(fd)) {
- error_setg(errp,
- "vnet_hdr not consistent across given tap fds");
- return -1;
- }
-
- net_init_tap_one(tap, peer, "tap", name, ifname,
- script, downscript,
- tap->has_vhostfds ? vhost_fds[i] : NULL,
- vnet_hdr, fd, &err);
- if (err) {
- error_propagate(errp, err);
- return -1;
- }
- }
- } else if (tap->has_helper) {
- if (tap->has_ifname || tap->has_script || tap->has_downscript ||
- tap->has_vnet_hdr || tap->has_queues || tap->has_vhostfds) {
- error_setg(errp, "ifname=, script=, downscript=, vnet_hdr=, "
- "queues=, and vhostfds= are invalid with helper=");
- return -1;
- }
-
- fd = net_bridge_run_helper(tap->helper, DEFAULT_BRIDGE_INTERFACE,
- errp);
- if (fd == -1) {
- return -1;
- }
-
- fcntl(fd, F_SETFL, O_NONBLOCK);
- vnet_hdr = tap_probe_vnet_hdr(fd);
-
- net_init_tap_one(tap, peer, "bridge", name, ifname,
- script, downscript, vhostfdname,
- vnet_hdr, fd, &err);
- if (err) {
- error_propagate(errp, err);
- close(fd);
- return -1;
- }
- } else {
- if (tap->has_vhostfds) {
- error_setg(errp, "vhostfds= is invalid if fds= wasn't specified");
- return -1;
- }
- script = tap->has_script ? tap->script : DEFAULT_NETWORK_SCRIPT;
- downscript = tap->has_downscript ? tap->downscript :
- DEFAULT_NETWORK_DOWN_SCRIPT;
-
- if (tap->has_ifname) {
- pstrcpy(ifname, sizeof ifname, tap->ifname);
- } else {
- ifname[0] = '\0';
- }
-
- for (i = 0; i < queues; i++) {
- fd = net_tap_init(tap, &vnet_hdr, i >= 1 ? "no" : script,
- ifname, sizeof ifname, queues > 1, errp);
- if (fd == -1) {
- return -1;
- }
-
- if (queues > 1 && i == 0 && !tap->has_ifname) {
- if (tap_fd_get_ifname(fd, ifname)) {
- error_setg(errp, "Fail to get ifname");
- close(fd);
- return -1;
- }
- }
-
- net_init_tap_one(tap, peer, "tap", name, ifname,
- i >= 1 ? "no" : script,
- i >= 1 ? "no" : downscript,
- vhostfdname, vnet_hdr, fd, &err);
- if (err) {
- error_propagate(errp, err);
- close(fd);
- return -1;
- }
- }
- }
-
- return 0;
-}
-
-VHostNetState *tap_get_vhost_net(NetClientState *nc)
-{
- TAPState *s = DO_UPCAST(TAPState, nc, nc);
- assert(nc->info->type == NET_CLIENT_OPTIONS_KIND_TAP);
- return s->vhost_net;
-}
-
-int tap_enable(NetClientState *nc)
-{
- TAPState *s = DO_UPCAST(TAPState, nc, nc);
- int ret;
-
- if (s->enabled) {
- return 0;
- } else {
- ret = tap_fd_enable(s->fd);
- if (ret == 0) {
- s->enabled = true;
- tap_update_fd_handler(s);
- }
- return ret;
- }
-}
-
-int tap_disable(NetClientState *nc)
-{
- TAPState *s = DO_UPCAST(TAPState, nc, nc);
- int ret;
-
- if (s->enabled == 0) {
- return 0;
- } else {
- ret = tap_fd_disable(s->fd);
- if (ret == 0) {
- qemu_purge_queued_packets(nc);
- s->enabled = false;
- tap_update_fd_handler(s);
- }
- return ret;
- }
-}
diff --git a/qemu/net/tap_int.h b/qemu/net/tap_int.h
deleted file mode 100644
index 2378021c4..000000000
--- a/qemu/net/tap_int.h
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * QEMU System Emulator
- *
- * Copyright (c) 2003-2008 Fabrice Bellard
- * Copyright (c) 2009 Red Hat, Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#ifndef QEMU_TAP_H
-#define QEMU_TAP_H
-
-#include "qemu-common.h"
-#include "qapi-types.h"
-
-int tap_open(char *ifname, int ifname_size, int *vnet_hdr,
- int vnet_hdr_required, int mq_required, Error **errp);
-
-ssize_t tap_read_packet(int tapfd, uint8_t *buf, int maxlen);
-
-void tap_set_sndbuf(int fd, const NetdevTapOptions *tap, Error **errp);
-int tap_probe_vnet_hdr(int fd);
-int tap_probe_vnet_hdr_len(int fd, int len);
-int tap_probe_has_ufo(int fd);
-void tap_fd_set_offload(int fd, int csum, int tso4, int tso6, int ecn, int ufo);
-void tap_fd_set_vnet_hdr_len(int fd, int len);
-int tap_fd_set_vnet_le(int fd, int vnet_is_le);
-int tap_fd_set_vnet_be(int fd, int vnet_is_be);
-int tap_fd_enable(int fd);
-int tap_fd_disable(int fd);
-int tap_fd_get_ifname(int fd, char *ifname);
-
-#endif /* QEMU_TAP_H */
diff --git a/qemu/net/util.c b/qemu/net/util.c
deleted file mode 100644
index 0b3dbfe5d..000000000
--- a/qemu/net/util.c
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * QEMU System Emulator
- *
- * Copyright (c) 2003-2008 Fabrice Bellard
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#include "qemu/osdep.h"
-#include "util.h"
-
-int net_parse_macaddr(uint8_t *macaddr, const char *p)
-{
- int i;
- char *last_char;
- long int offset;
-
- errno = 0;
- offset = strtol(p, &last_char, 0);
- if (errno == 0 && *last_char == '\0' &&
- offset >= 0 && offset <= 0xFFFFFF) {
- macaddr[3] = (offset & 0xFF0000) >> 16;
- macaddr[4] = (offset & 0xFF00) >> 8;
- macaddr[5] = offset & 0xFF;
- return 0;
- }
-
- for (i = 0; i < 6; i++) {
- macaddr[i] = strtol(p, (char **)&p, 16);
- if (i == 5) {
- if (*p != '\0') {
- return -1;
- }
- } else {
- if (*p != ':' && *p != '-') {
- return -1;
- }
- p++;
- }
- }
-
- return 0;
-}
diff --git a/qemu/net/util.h b/qemu/net/util.h
deleted file mode 100644
index 60b73d372..000000000
--- a/qemu/net/util.h
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * QEMU System Emulator
- *
- * Copyright (c) 2003-2008 Fabrice Bellard
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#ifndef QEMU_NET_UTIL_H
-#define QEMU_NET_UTIL_H
-
-
-int net_parse_macaddr(uint8_t *macaddr, const char *p);
-
-#endif /* QEMU_NET_UTIL_H */
diff --git a/qemu/net/vde.c b/qemu/net/vde.c
deleted file mode 100644
index 9427eaa16..000000000
--- a/qemu/net/vde.c
+++ /dev/null
@@ -1,128 +0,0 @@
-/*
- * QEMU System Emulator
- *
- * Copyright (c) 2003-2008 Fabrice Bellard
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-#include "qemu/osdep.h"
-
-#include <libvdeplug.h>
-
-#include "net/net.h"
-#include "clients.h"
-#include "qemu-common.h"
-#include "qemu/option.h"
-#include "qemu/main-loop.h"
-
-typedef struct VDEState {
- NetClientState nc;
- VDECONN *vde;
-} VDEState;
-
-static void vde_to_qemu(void *opaque)
-{
- VDEState *s = opaque;
- uint8_t buf[NET_BUFSIZE];
- int size;
-
- size = vde_recv(s->vde, (char *)buf, sizeof(buf), 0);
- if (size > 0) {
- qemu_send_packet(&s->nc, buf, size);
- }
-}
-
-static ssize_t vde_receive(NetClientState *nc, const uint8_t *buf, size_t size)
-{
- VDEState *s = DO_UPCAST(VDEState, nc, nc);
- ssize_t ret;
-
- do {
- ret = vde_send(s->vde, (const char *)buf, size, 0);
- } while (ret < 0 && errno == EINTR);
-
- return ret;
-}
-
-static void vde_cleanup(NetClientState *nc)
-{
- VDEState *s = DO_UPCAST(VDEState, nc, nc);
- qemu_set_fd_handler(vde_datafd(s->vde), NULL, NULL, NULL);
- vde_close(s->vde);
-}
-
-static NetClientInfo net_vde_info = {
- .type = NET_CLIENT_OPTIONS_KIND_VDE,
- .size = sizeof(VDEState),
- .receive = vde_receive,
- .cleanup = vde_cleanup,
-};
-
-static int net_vde_init(NetClientState *peer, const char *model,
- const char *name, const char *sock,
- int port, const char *group, int mode)
-{
- NetClientState *nc;
- VDEState *s;
- VDECONN *vde;
- char *init_group = (char *)group;
- char *init_sock = (char *)sock;
-
- struct vde_open_args args = {
- .port = port,
- .group = init_group,
- .mode = mode,
- };
-
- vde = vde_open(init_sock, (char *)"QEMU", &args);
- if (!vde){
- return -1;
- }
-
- nc = qemu_new_net_client(&net_vde_info, peer, model, name);
-
- snprintf(nc->info_str, sizeof(nc->info_str), "sock=%s,fd=%d",
- sock, vde_datafd(vde));
-
- s = DO_UPCAST(VDEState, nc, nc);
-
- s->vde = vde;
-
- qemu_set_fd_handler(vde_datafd(s->vde), vde_to_qemu, NULL, s);
-
- return 0;
-}
-
-int net_init_vde(const NetClientOptions *opts, const char *name,
- NetClientState *peer, Error **errp)
-{
- /* FIXME error_setg(errp, ...) on failure */
- const NetdevVdeOptions *vde;
-
- assert(opts->type == NET_CLIENT_OPTIONS_KIND_VDE);
- vde = opts->u.vde.data;
-
- /* missing optional values have been initialized to "all bits zero" */
- if (net_vde_init(peer, "vde", name, vde->sock, vde->port, vde->group,
- vde->has_mode ? vde->mode : 0700) == -1) {
- return -1;
- }
-
- return 0;
-}
diff --git a/qemu/net/vhost-user.c b/qemu/net/vhost-user.c
deleted file mode 100644
index 1b9e73a2d..000000000
--- a/qemu/net/vhost-user.c
+++ /dev/null
@@ -1,331 +0,0 @@
-/*
- * vhost-user.c
- *
- * Copyright (c) 2013 Virtual Open Systems Sarl.
- *
- * This work is licensed under the terms of the GNU GPL, version 2 or later.
- * See the COPYING file in the top-level directory.
- *
- */
-
-#include "qemu/osdep.h"
-#include "clients.h"
-#include "net/vhost_net.h"
-#include "net/vhost-user.h"
-#include "sysemu/char.h"
-#include "qemu/config-file.h"
-#include "qemu/error-report.h"
-#include "qmp-commands.h"
-#include "trace.h"
-
-typedef struct VhostUserState {
- NetClientState nc;
- CharDriverState *chr;
- VHostNetState *vhost_net;
-} VhostUserState;
-
-typedef struct VhostUserChardevProps {
- bool is_socket;
- bool is_unix;
-} VhostUserChardevProps;
-
-VHostNetState *vhost_user_get_vhost_net(NetClientState *nc)
-{
- VhostUserState *s = DO_UPCAST(VhostUserState, nc, nc);
- assert(nc->info->type == NET_CLIENT_OPTIONS_KIND_VHOST_USER);
- return s->vhost_net;
-}
-
-static int vhost_user_running(VhostUserState *s)
-{
- return (s->vhost_net) ? 1 : 0;
-}
-
-static void vhost_user_stop(int queues, NetClientState *ncs[])
-{
- VhostUserState *s;
- int i;
-
- for (i = 0; i < queues; i++) {
- assert (ncs[i]->info->type == NET_CLIENT_OPTIONS_KIND_VHOST_USER);
-
- s = DO_UPCAST(VhostUserState, nc, ncs[i]);
- if (!vhost_user_running(s)) {
- continue;
- }
-
- if (s->vhost_net) {
- vhost_net_cleanup(s->vhost_net);
- s->vhost_net = NULL;
- }
- }
-}
-
-static int vhost_user_start(int queues, NetClientState *ncs[])
-{
- VhostNetOptions options;
- VhostUserState *s;
- int max_queues;
- int i;
-
- options.backend_type = VHOST_BACKEND_TYPE_USER;
-
- for (i = 0; i < queues; i++) {
- assert (ncs[i]->info->type == NET_CLIENT_OPTIONS_KIND_VHOST_USER);
-
- s = DO_UPCAST(VhostUserState, nc, ncs[i]);
- if (vhost_user_running(s)) {
- continue;
- }
-
- options.net_backend = ncs[i];
- options.opaque = s->chr;
- s->vhost_net = vhost_net_init(&options);
- if (!s->vhost_net) {
- error_report("failed to init vhost_net for queue %d", i);
- goto err;
- }
-
- if (i == 0) {
- max_queues = vhost_net_get_max_queues(s->vhost_net);
- if (queues > max_queues) {
- error_report("you are asking more queues than supported: %d",
- max_queues);
- goto err;
- }
- }
- }
-
- return 0;
-
-err:
- vhost_user_stop(i + 1, ncs);
- return -1;
-}
-
-static ssize_t vhost_user_receive(NetClientState *nc, const uint8_t *buf,
- size_t size)
-{
- /* In case of RARP (message size is 60) notify backup to send a fake RARP.
- This fake RARP will be sent by backend only for guest
- without GUEST_ANNOUNCE capability.
- */
- if (size == 60) {
- VhostUserState *s = DO_UPCAST(VhostUserState, nc, nc);
- int r;
- static int display_rarp_failure = 1;
- char mac_addr[6];
-
- /* extract guest mac address from the RARP message */
- memcpy(mac_addr, &buf[6], 6);
-
- r = vhost_net_notify_migration_done(s->vhost_net, mac_addr);
-
- if ((r != 0) && (display_rarp_failure)) {
- fprintf(stderr,
- "Vhost user backend fails to broadcast fake RARP\n");
- fflush(stderr);
- display_rarp_failure = 0;
- }
- }
-
- return size;
-}
-
-static void vhost_user_cleanup(NetClientState *nc)
-{
- VhostUserState *s = DO_UPCAST(VhostUserState, nc, nc);
-
- if (s->vhost_net) {
- vhost_net_cleanup(s->vhost_net);
- s->vhost_net = NULL;
- }
-
- qemu_purge_queued_packets(nc);
-}
-
-static bool vhost_user_has_vnet_hdr(NetClientState *nc)
-{
- assert(nc->info->type == NET_CLIENT_OPTIONS_KIND_VHOST_USER);
-
- return true;
-}
-
-static bool vhost_user_has_ufo(NetClientState *nc)
-{
- assert(nc->info->type == NET_CLIENT_OPTIONS_KIND_VHOST_USER);
-
- return true;
-}
-
-static NetClientInfo net_vhost_user_info = {
- .type = NET_CLIENT_OPTIONS_KIND_VHOST_USER,
- .size = sizeof(VhostUserState),
- .receive = vhost_user_receive,
- .cleanup = vhost_user_cleanup,
- .has_vnet_hdr = vhost_user_has_vnet_hdr,
- .has_ufo = vhost_user_has_ufo,
-};
-
-static void net_vhost_user_event(void *opaque, int event)
-{
- const char *name = opaque;
- NetClientState *ncs[MAX_QUEUE_NUM];
- VhostUserState *s;
- Error *err = NULL;
- int queues;
-
- queues = qemu_find_net_clients_except(name, ncs,
- NET_CLIENT_OPTIONS_KIND_NIC,
- MAX_QUEUE_NUM);
- assert(queues < MAX_QUEUE_NUM);
-
- s = DO_UPCAST(VhostUserState, nc, ncs[0]);
- trace_vhost_user_event(s->chr->label, event);
- switch (event) {
- case CHR_EVENT_OPENED:
- if (vhost_user_start(queues, ncs) < 0) {
- exit(1);
- }
- qmp_set_link(name, true, &err);
- break;
- case CHR_EVENT_CLOSED:
- qmp_set_link(name, false, &err);
- vhost_user_stop(queues, ncs);
- break;
- }
-
- if (err) {
- error_report_err(err);
- }
-}
-
-static int net_vhost_user_init(NetClientState *peer, const char *device,
- const char *name, CharDriverState *chr,
- int queues)
-{
- NetClientState *nc;
- VhostUserState *s;
- int i;
-
- assert(name);
- assert(queues > 0);
-
- for (i = 0; i < queues; i++) {
- nc = qemu_new_net_client(&net_vhost_user_info, peer, device, name);
-
- snprintf(nc->info_str, sizeof(nc->info_str), "vhost-user%d to %s",
- i, chr->label);
-
- nc->queue_index = i;
-
- s = DO_UPCAST(VhostUserState, nc, nc);
- s->chr = chr;
- }
-
- qemu_chr_add_handlers(chr, NULL, NULL, net_vhost_user_event, nc[0].name);
-
- return 0;
-}
-
-static int net_vhost_chardev_opts(void *opaque,
- const char *name, const char *value,
- Error **errp)
-{
- VhostUserChardevProps *props = opaque;
-
- if (strcmp(name, "backend") == 0 && strcmp(value, "socket") == 0) {
- props->is_socket = true;
- } else if (strcmp(name, "path") == 0) {
- props->is_unix = true;
- } else if (strcmp(name, "server") == 0) {
- } else {
- error_setg(errp,
- "vhost-user does not support a chardev with option %s=%s",
- name, value);
- return -1;
- }
- return 0;
-}
-
-static CharDriverState *net_vhost_parse_chardev(
- const NetdevVhostUserOptions *opts, Error **errp)
-{
- CharDriverState *chr = qemu_chr_find(opts->chardev);
- VhostUserChardevProps props;
-
- if (chr == NULL) {
- error_setg(errp, "chardev \"%s\" not found", opts->chardev);
- return NULL;
- }
-
- /* inspect chardev opts */
- memset(&props, 0, sizeof(props));
- if (qemu_opt_foreach(chr->opts, net_vhost_chardev_opts, &props, errp)) {
- return NULL;
- }
-
- if (!props.is_socket || !props.is_unix) {
- error_setg(errp, "chardev \"%s\" is not a unix socket",
- opts->chardev);
- return NULL;
- }
-
- qemu_chr_fe_claim_no_fail(chr);
-
- return chr;
-}
-
-static int net_vhost_check_net(void *opaque, QemuOpts *opts, Error **errp)
-{
- const char *name = opaque;
- const char *driver, *netdev;
- const char virtio_name[] = "virtio-net-";
-
- driver = qemu_opt_get(opts, "driver");
- netdev = qemu_opt_get(opts, "netdev");
-
- if (!driver || !netdev) {
- return 0;
- }
-
- if (strcmp(netdev, name) == 0 &&
- strncmp(driver, virtio_name, strlen(virtio_name)) != 0) {
- error_setg(errp, "vhost-user requires frontend driver virtio-net-*");
- return -1;
- }
-
- return 0;
-}
-
-int net_init_vhost_user(const NetClientOptions *opts, const char *name,
- NetClientState *peer, Error **errp)
-{
- int queues;
- const NetdevVhostUserOptions *vhost_user_opts;
- CharDriverState *chr;
-
- assert(opts->type == NET_CLIENT_OPTIONS_KIND_VHOST_USER);
- vhost_user_opts = opts->u.vhost_user.data;
-
- chr = net_vhost_parse_chardev(vhost_user_opts, errp);
- if (!chr) {
- return -1;
- }
-
- /* verify net frontend */
- if (qemu_opts_foreach(qemu_find_opts("device"), net_vhost_check_net,
- (char *)name, errp)) {
- return -1;
- }
-
- queues = vhost_user_opts->has_queues ? vhost_user_opts->queues : 1;
- if (queues < 1 || queues > MAX_QUEUE_NUM) {
- error_setg(errp,
- "vhost-user number of queues must be in range [1, %d]",
- MAX_QUEUE_NUM);
- return -1;
- }
-
- return net_vhost_user_init(peer, "vhost_user", name, chr, queues);
-}