From 44b416ad62bf1068a9653fe066bd500fb9b0d88f Mon Sep 17 00:00:00 2001 From: "Dr. David Alan Gilbert" Date: Wed, 27 Feb 2019 13:24:09 +0000 Subject: [PATCH] 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 Signed-off-by: Dr. David Alan Gilbert Reviewed-by: Michael S. Tsirkin Signed-off-by: Jason Wang --- include/net/net.h | 2 ++ net/announce.c | 5 +++++ 2 files changed, 7 insertions(+) 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) {