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authorDr. David Alan Gilbert2019-02-27 14:24:09 +0100
committerJason Wang2019-03-05 04:27:41 +0100
commit44b416ad62bf1068a9653fe066bd500fb9b0d88f (patch)
treea6da008533ee609514d1e9af03077d2f7cbe38ff
parentmigration: Switch to using announce timer (diff)
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net: Add a network device specific self-announcement ability
Some network devices have a capability to do self announcements (ex: virtio-net). Add infrastructure that would allow devices to expose this ability. Signed-off-by: Vladislav Yasevich <vyasevic@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
-rw-r--r--include/net/net.h2
-rw-r--r--net/announce.c5
2 files changed, 7 insertions, 0 deletions
diff --git a/include/net/net.h b/include/net/net.h
index 075cc01267..acf0451fc4 100644
--- a/include/net/net.h
+++ b/include/net/net.h
@@ -60,6 +60,7 @@ typedef int (SetVnetLE)(NetClientState *, bool);
typedef int (SetVnetBE)(NetClientState *, bool);
typedef struct SocketReadState SocketReadState;
typedef void (SocketReadStateFinalize)(SocketReadState *rs);
+typedef void (NetAnnounce)(NetClientState *);
typedef struct NetClientInfo {
NetClientDriver type;
@@ -80,6 +81,7 @@ typedef struct NetClientInfo {
SetVnetHdrLen *set_vnet_hdr_len;
SetVnetLE *set_vnet_le;
SetVnetBE *set_vnet_be;
+ NetAnnounce *announce;
} NetClientInfo;
struct NetClientState {
diff --git a/net/announce.c b/net/announce.c
index 13ad9c2ba8..070f37a7fa 100644
--- a/net/announce.c
+++ b/net/announce.c
@@ -102,6 +102,11 @@ static void qemu_announce_self_iter(NICState *nic, void *opaque)
len = announce_self_create(buf, nic->conf->macaddr.a);
qemu_send_packet_raw(qemu_get_queue(nic), buf, len);
+
+ /* if the NIC provides it's own announcement support, use it as well */
+ if (nic->ncs->info->announce) {
+ nic->ncs->info->announce(nic->ncs);
+ }
}
static void qemu_announce_self_once(void *opaque)
{