Add qemu 2.4.0

Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>

1 files changed, 227 insertions, 0 deletions

diff --git a/qemu/include/net/net.h b/qemu/include/net/net.h
new file mode 100644
index 000000000..6a6cbef24
--- /dev/null
+++ b/qemu/include/net/net.h
@@ -0,0 +1,227 @@
+#ifndef QEMU_NET_H
+#define QEMU_NET_H
+
+#include "qemu/queue.h"
+#include "qemu-common.h"
+#include "qapi/qmp/qdict.h"
+#include "qemu/option.h"
+#include "net/queue.h"
+#include "migration/vmstate.h"
+#include "qapi-types.h"
+
+#define MAX_QUEUE_NUM 1024
+
+/* Maximum GSO packet size (64k) plus plenty of room for
+ * the ethernet and virtio_net headers
+ */
+#define NET_BUFSIZE (4096 + 65536)
+
+struct MACAddr {
+    uint8_t a[6];
+};
+
+/* qdev nic properties */
+
+typedef struct NICPeers {
+    NetClientState *ncs[MAX_QUEUE_NUM];
+    int32_t queues;
+} NICPeers;
+
+typedef struct NICConf {
+    MACAddr macaddr;
+    NICPeers peers;
+    int32_t bootindex;
+} NICConf;
+
+#define DEFINE_NIC_PROPERTIES(_state, _conf)                            \
+    DEFINE_PROP_MACADDR("mac",   _state, _conf.macaddr),                \
+    DEFINE_PROP_VLAN("vlan",     _state, _conf.peers),                   \
+    DEFINE_PROP_NETDEV("netdev", _state, _conf.peers)
+
+
+/* Net clients */
+
+typedef void (NetPoll)(NetClientState *, bool enable);
+typedef int (NetCanReceive)(NetClientState *);
+typedef ssize_t (NetReceive)(NetClientState *, const uint8_t *, size_t);
+typedef ssize_t (NetReceiveIOV)(NetClientState *, const struct iovec *, int);
+typedef void (NetCleanup) (NetClientState *);
+typedef void (LinkStatusChanged)(NetClientState *);
+typedef void (NetClientDestructor)(NetClientState *);
+typedef RxFilterInfo *(QueryRxFilter)(NetClientState *);
+typedef bool (HasUfo)(NetClientState *);
+typedef bool (HasVnetHdr)(NetClientState *);
+typedef bool (HasVnetHdrLen)(NetClientState *, int);
+typedef void (UsingVnetHdr)(NetClientState *, bool);
+typedef void (SetOffload)(NetClientState *, int, int, int, int, int);
+typedef void (SetVnetHdrLen)(NetClientState *, int);
+typedef int (SetVnetLE)(NetClientState *, bool);
+typedef int (SetVnetBE)(NetClientState *, bool);
+
+typedef struct NetClientInfo {
+    NetClientOptionsKind type;
+    size_t size;
+    NetReceive *receive;
+    NetReceive *receive_raw;
+    NetReceiveIOV *receive_iov;
+    NetCanReceive *can_receive;
+    NetCleanup *cleanup;
+    LinkStatusChanged *link_status_changed;
+    QueryRxFilter *query_rx_filter;
+    NetPoll *poll;
+    HasUfo *has_ufo;
+    HasVnetHdr *has_vnet_hdr;
+    HasVnetHdrLen *has_vnet_hdr_len;
+    UsingVnetHdr *using_vnet_hdr;
+    SetOffload *set_offload;
+    SetVnetHdrLen *set_vnet_hdr_len;
+    SetVnetLE *set_vnet_le;
+    SetVnetBE *set_vnet_be;
+} NetClientInfo;
+
+struct NetClientState {
+    NetClientInfo *info;
+    int link_down;
+    QTAILQ_ENTRY(NetClientState) next;
+    NetClientState *peer;
+    NetQueue *incoming_queue;
+    char *model;
+    char *name;
+    char info_str[256];
+    unsigned receive_disabled : 1;
+    NetClientDestructor *destructor;
+    unsigned int queue_index;
+    unsigned rxfilter_notify_enabled:1;
+};
+
+typedef struct NICState {
+    NetClientState *ncs;
+    NICConf *conf;
+    void *opaque;
+    bool peer_deleted;
+} NICState;
+
+char *qemu_mac_strdup_printf(const uint8_t *macaddr);
+NetClientState *qemu_find_netdev(const char *id);
+int qemu_find_net_clients_except(const char *id, NetClientState **ncs,
+                                 NetClientOptionsKind type, int max);
+NetClientState *qemu_new_net_client(NetClientInfo *info,
+                                    NetClientState *peer,
+                                    const char *model,
+                                    const char *name);
+NICState *qemu_new_nic(NetClientInfo *info,
+                       NICConf *conf,
+                       const char *model,
+                       const char *name,
+                       void *opaque);
+void qemu_del_nic(NICState *nic);
+NetClientState *qemu_get_subqueue(NICState *nic, int queue_index);
+NetClientState *qemu_get_queue(NICState *nic);
+NICState *qemu_get_nic(NetClientState *nc);
+void *qemu_get_nic_opaque(NetClientState *nc);
+void qemu_del_net_client(NetClientState *nc);
+NetClientState *qemu_find_vlan_client_by_name(Monitor *mon, int vlan_id,
+                                              const char *client_str);
+typedef void (*qemu_nic_foreach)(NICState *nic, void *opaque);
+void qemu_foreach_nic(qemu_nic_foreach func, void *opaque);
+int qemu_can_send_packet(NetClientState *nc);
+ssize_t qemu_sendv_packet(NetClientState *nc, const struct iovec *iov,
+                          int iovcnt);
+ssize_t qemu_sendv_packet_async(NetClientState *nc, const struct iovec *iov,
+                                int iovcnt, NetPacketSent *sent_cb);
+void qemu_send_packet(NetClientState *nc, const uint8_t *buf, int size);
+ssize_t qemu_send_packet_raw(NetClientState *nc, const uint8_t *buf, int size);
+ssize_t qemu_send_packet_async(NetClientState *nc, const uint8_t *buf,
+                               int size, NetPacketSent *sent_cb);
+void qemu_purge_queued_packets(NetClientState *nc);
+void qemu_flush_queued_packets(NetClientState *nc);
+void qemu_format_nic_info_str(NetClientState *nc, uint8_t macaddr[6]);
+bool qemu_has_ufo(NetClientState *nc);
+bool qemu_has_vnet_hdr(NetClientState *nc);
+bool qemu_has_vnet_hdr_len(NetClientState *nc, int len);
+void qemu_using_vnet_hdr(NetClientState *nc, bool enable);
+void qemu_set_offload(NetClientState *nc, int csum, int tso4, int tso6,
+                      int ecn, int ufo);
+void qemu_set_vnet_hdr_len(NetClientState *nc, int len);
+int qemu_set_vnet_le(NetClientState *nc, bool is_le);
+int qemu_set_vnet_be(NetClientState *nc, bool is_be);
+void qemu_macaddr_default_if_unset(MACAddr *macaddr);
+int qemu_show_nic_models(const char *arg, const char *const *models);
+void qemu_check_nic_model(NICInfo *nd, const char *model);
+int qemu_find_nic_model(NICInfo *nd, const char * const *models,
+                        const char *default_model);
+
+ssize_t qemu_deliver_packet(NetClientState *sender,
+                            unsigned flags,
+                            const uint8_t *data,
+                            size_t size,
+                            void *opaque);
+ssize_t qemu_deliver_packet_iov(NetClientState *sender,
+                            unsigned flags,
+                            const struct iovec *iov,
+                            int iovcnt,
+                            void *opaque);
+
+void print_net_client(Monitor *mon, NetClientState *nc);
+void hmp_info_network(Monitor *mon, const QDict *qdict);
+
+/* NIC info */
+
+#define MAX_NICS 8
+
+struct NICInfo {
+    MACAddr macaddr;
+    char *model;
+    char *name;
+    char *devaddr;
+    NetClientState *netdev;
+    int used;         /* is this slot in nd_table[] being used? */
+    int instantiated; /* does this NICInfo correspond to an instantiated NIC? */
+    int nvectors;
+};
+
+extern int nb_nics;
+extern NICInfo nd_table[MAX_NICS];
+extern int default_net;
+extern const char *host_net_devices[];
+
+/* from net.c */
+extern const char *legacy_tftp_prefix;
+extern const char *legacy_bootp_filename;
+
+int net_client_init(QemuOpts *opts, int is_netdev, Error **errp);
+int net_client_parse(QemuOptsList *opts_list, const char *str);
+int net_init_clients(void);
+void net_check_clients(void);
+void net_cleanup(void);
+void hmp_host_net_add(Monitor *mon, const QDict *qdict);
+void hmp_host_net_remove(Monitor *mon, const QDict *qdict);
+void netdev_add(QemuOpts *opts, Error **errp);
+void qmp_netdev_add(QDict *qdict, QObject **ret, Error **errp);
+
+int net_hub_id_for_client(NetClientState *nc, int *id);
+NetClientState *net_hub_port_find(int hub_id);
+
+#define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
+#define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown"
+#define DEFAULT_BRIDGE_HELPER CONFIG_QEMU_HELPERDIR "/qemu-bridge-helper"
+#define DEFAULT_BRIDGE_INTERFACE "br0"
+
+void qdev_set_nic_properties(DeviceState *dev, NICInfo *nd);
+
+#define POLYNOMIAL 0x04c11db6
+unsigned compute_mcast_idx(const uint8_t *ep);
+
+#define vmstate_offset_macaddr(_state, _field)                       \
+    vmstate_offset_array(_state, _field.a, uint8_t,                \
+                         sizeof(typeof_field(_state, _field)))
+
+#define VMSTATE_MACADDR(_field, _state) {                            \
+    .name       = (stringify(_field)),                               \
+    .size       = sizeof(MACAddr),                                   \
+    .info       = &vmstate_info_buffer,                              \
+    .flags      = VMS_BUFFER,                                        \
+    .offset     = vmstate_offset_macaddr(_state, _field),            \
+}
+
+#endif