diff options
| author |   Neale Ranns <nranns@cisco.com> | 2018-07-11 10:31:26 -0700 |
|---|---|---|
| committer |   Damjan Marion <dmarion@me.com> | 2018-07-20 13:21:03 +0000 |
| commit | 1855b8e48d95289cc9f0a6e339f2148d64ac705c (patch) | |
| tree | 71e888d9aabc16a388c07a5f3c3089ade0fdadab /src/vnet/interface.c | |
| parent | 631de0dffebf2633e32b55c5c9b4663867a50371 (diff) | |
IP directed broadcast
with ip direct broadcast enable a packet to the interface's
subnet broadcast address with be sent L2 broadcast on the
interface. dissabled, it will be dropped. it is disabled by
default, which preserves current behaviour
Change-Id: If154cb92e64834e97a541b32624354348a0eafb3
Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'src/vnet/interface.c')
| -rw-r--r-- | src/vnet/interface.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/vnet/interface.c b/src/vnet/interface.c index a9346a2b072..ca4dc493aac 100644 --- a/src/vnet/interface.c +++ b/src/vnet/interface.c @@ -705,6 +705,22 @@ vnet_sw_interface_set_protocol_mtu (vnet_main_t * vnm, u32 sw_if_index, call_sw_interface_mtu_change_callbacks (vnm, sw_if_index); } +void +vnet_sw_interface_ip_directed_broadcast (vnet_main_t * vnm, + u32 sw_if_index, u8 enable) +{ + vnet_sw_interface_t *si; + + si = vnet_get_sw_interface (vnm, sw_if_index); + + if (enable) + si->flags |= VNET_SW_INTERFACE_FLAG_DIRECTED_BCAST; + else + si->flags &= ~VNET_SW_INTERFACE_FLAG_DIRECTED_BCAST; + + ip4_directed_broadcast (sw_if_index, enable); +} + /* * Reflect a change in hardware MTU on protocol MTUs */ @@ -1609,6 +1625,7 @@ default_update_adjacency (vnet_main_t * vnm, u32 sw_if_index, u32 ai) adj_glean_update_rewrite (ai); break; case IP_LOOKUP_NEXT_ARP: + case IP_LOOKUP_NEXT_BCAST: /* * default rewirte in neighbour adj */ |