diff options
| author |   John Hurley <john.hurley@netronome.com> | 2017-09-25 12:23:41 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-09-26 21:27:36 -0700 |
| commit | 856f5b135758ad80053a49f7ce9d1dc0166e3006 (patch) | |
| tree | e56682c4bb463d6588e85263b5867865289a0230 /drivers/net/ethernet/netronome/nfp/flower/cmsg.c | |
| parent | nfp: flower vxlan neighbour offload (diff) | |
| download | linux-856f5b135758ad80053a49f7ce9d1dc0166e3006.tar.xz linux-856f5b135758ad80053a49f7ce9d1dc0166e3006.zip | |
nfp: flower vxlan neighbour keep-alive
Periodically receive messages containing the destination IPs of tunnels
that have recently forwarded traffic. Update the neighbour entries 'used'
value for these IPs next hop.
This prevents the neighbour entry from expiring on timeout but rather
signals an ARP to verify the connection. From an NFP perspective, packets
will not fall back mid-flow unless the link is verified to be down.
Signed-off-by: John Hurley <john.hurley@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/flower/cmsg.c')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/flower/cmsg.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/flower/cmsg.c b/drivers/net/ethernet/netronome/nfp/flower/cmsg.c index 862787daaa68..6b71c719deba 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/cmsg.c +++ b/drivers/net/ethernet/netronome/nfp/flower/cmsg.c @@ -184,6 +184,9 @@ nfp_flower_cmsg_process_one_rx(struct nfp_app *app, struct sk_buff *skb) case NFP_FLOWER_CMSG_TYPE_NO_NEIGH: nfp_tunnel_request_route(app, skb); break; + case NFP_FLOWER_CMSG_TYPE_ACTIVE_TUNS: + nfp_tunnel_keep_alive(app, skb); + break; case NFP_FLOWER_CMSG_TYPE_TUN_NEIGH: /* Acks from the NFP that the route is added - ignore. */ break; |