From 1855b8e48d95289cc9f0a6e339f2148d64ac705c Mon Sep 17 00:00:00 2001 From: Neale Ranns Date: Wed, 11 Jul 2018 10:31:26 -0700 Subject: 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 --- src/vnet/interface.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'src/vnet/interface.c') 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 */ -- cgit 1.2.3-korg