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bfdd: socket should be bound to vrf interface by default

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When running in vrf-lite mode, the socket used in a vrf environment
should be bound to an interface belonging to the vrf. If no one is
selected, then the vrf interface itself should be bound to that socket,
so that outgoing packets are being applied routing rules for that vrf.

Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
This commit is contained in:
Philippe Guibert 2021-01-08 07:51:33 +00:00
parent e11922f0e9
commit 031705c9fc
1 changed files with 6 additions and 4 deletions
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10
bfdd/bfd_packet.c
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@ -951,8 +951,9 @@ int bp_peer_socket(const struct bfd_session *bs)
if (bs->key.ifname[0])
device_to_bind = (const char *)bs->key.ifname;
else if (CHECK_FLAG(bs->flags, BFD_SESS_FLAG_MH)
&& bs->key.vrfname[0])
else if ((!vrf_is_backend_netns() && bs->vrf->vrf_id != VRF_DEFAULT)
|| ((CHECK_FLAG(bs->flags, BFD_SESS_FLAG_MH)
&& bs->key.vrfname[0])))
device_to_bind = (const char *)bs->key.vrfname;
frr_with_privs(&bglobal.bfdd_privs) {
@ -1018,8 +1019,9 @@ int bp_peer_socketv6(const struct bfd_session *bs)
if (bs->key.ifname[0])
device_to_bind = (const char *)bs->key.ifname;
else if (CHECK_FLAG(bs->flags, BFD_SESS_FLAG_MH)
&& bs->key.vrfname[0])
else if ((!vrf_is_backend_netns() && bs->vrf->vrf_id != VRF_DEFAULT)
|| ((CHECK_FLAG(bs->flags, BFD_SESS_FLAG_MH)
&& bs->key.vrfname[0])))
device_to_bind = (const char *)bs->key.vrfname;
frr_with_privs(&bglobal.bfdd_privs) {