diff options
author | RajithaY <rajithax.yerrumsetty@intel.com> | 2017-04-25 03:31:15 -0700 |
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committer | Rajitha Yerrumchetty <rajithax.yerrumsetty@intel.com> | 2017-05-22 06:48:08 +0000 |
commit | bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch) | |
tree | ca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/net/dump.c | |
parent | a14b48d18a9ed03ec191cf16b162206998a895ce (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/dump.c')
-rw-r--r-- | qemu/net/dump.c | 364 |
1 files changed, 0 insertions, 364 deletions
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); |