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net: introduce qemu_get_peer 

This is a small function that can get the peer
from given NetClientState and queue_index

Signed-off-by: Cindy Lu <lulu@redhat.com>
Message-Id: <20200701145538.22333-2-lulu@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Cindy Lu 2020-07-01 22:55:25 +08:00 committed by Michael S. Tsirkin
parent 8bc43f39a9
commit 0165daae5c
2 changed files with 8 additions and 0 deletions
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1
include/net/net.h
View File

@ -176,6 +176,7 @@ void hmp_info_network(Monitor *mon, const QDict *qdict);
void net_socket_rs_init(SocketReadState *rs,
SocketReadStateFinalize *finalize,
bool vnet_hdr);
NetClientState *qemu_get_peer(NetClientState *nc, int queue_index);
/* NIC info */

7
net/net.c
View File

@ -325,6 +325,13 @@ void *qemu_get_nic_opaque(NetClientState *nc)
return nic->opaque;
}
NetClientState *qemu_get_peer(NetClientState *nc, int queue_index)
{
assert(nc != NULL);
NetClientState *ncs = nc + queue_index;
return ncs->peer;
}
static void qemu_cleanup_net_client(NetClientState *nc)
{
QTAILQ_REMOVE(&net_clients, nc, next);