diff options
author | Jason Wang <jasowang@redhat.com> | 2021-10-20 12:55:55 +0800 |
---|---|---|
committer | Michael S. Tsirkin <mst@redhat.com> | 2021-10-20 04:44:05 -0400 |
commit | 2f849dbdb2ab2c70715520a8129524f197b9a8ba (patch) | |
tree | 442dc7b43b2e65a732a4cd5d29b2fa0cb6fb14a2 | |
parent | 654790b65b8435a7d409b1873b566e8db9e91b9b (diff) | |
download | qemu-2f849dbdb2ab2c70715520a8129524f197b9a8ba.zip qemu-2f849dbdb2ab2c70715520a8129524f197b9a8ba.tar.gz qemu-2f849dbdb2ab2c70715520a8129524f197b9a8ba.tar.bz2 |
net: introduce control client
This patch introduces a boolean for the device has control queue which
can accepts control command via network queue.
The first user would be the control virtqueue support for vhost.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20211020045600.16082-6-jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
-rw-r--r-- | include/net/net.h | 5 | ||||
-rw-r--r-- | net/net.c | 24 |
2 files changed, 26 insertions, 3 deletions
diff --git a/include/net/net.h b/include/net/net.h index 986288e..523136c 100644 --- a/include/net/net.h +++ b/include/net/net.h @@ -105,6 +105,7 @@ struct NetClientState { int vnet_hdr_len; bool is_netdev; bool do_not_pad; /* do not pad to the minimum ethernet frame length */ + bool is_datapath; QTAILQ_HEAD(, NetFilterState) filters; }; @@ -136,6 +137,10 @@ NetClientState *qemu_new_net_client(NetClientInfo *info, NetClientState *peer, const char *model, const char *name); +NetClientState *qemu_new_net_control_client(NetClientInfo *info, + NetClientState *peer, + const char *model, + const char *name); NICState *qemu_new_nic(NetClientInfo *info, NICConf *conf, const char *model, @@ -239,7 +239,8 @@ static void qemu_net_client_setup(NetClientState *nc, NetClientState *peer, const char *model, const char *name, - NetClientDestructor *destructor) + NetClientDestructor *destructor, + bool is_datapath) { nc->info = info; nc->model = g_strdup(model); @@ -258,6 +259,7 @@ static void qemu_net_client_setup(NetClientState *nc, nc->incoming_queue = qemu_new_net_queue(qemu_deliver_packet_iov, nc); nc->destructor = destructor; + nc->is_datapath = is_datapath; QTAILQ_INIT(&nc->filters); } @@ -272,7 +274,23 @@ NetClientState *qemu_new_net_client(NetClientInfo *info, nc = g_malloc0(info->size); qemu_net_client_setup(nc, info, peer, model, name, - qemu_net_client_destructor); + qemu_net_client_destructor, true); + + return nc; +} + +NetClientState *qemu_new_net_control_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, false); return nc; } @@ -297,7 +315,7 @@ NICState *qemu_new_nic(NetClientInfo *info, for (i = 0; i < queues; i++) { qemu_net_client_setup(&nic->ncs[i], info, peers[i], model, name, - NULL); + NULL, true); nic->ncs[i].queue_index = i; } |