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Merge pull request #15697 from zmw12306/bfd_check_Mflag

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bfdd: Add check for flag Multipoint (M)
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Igor Ryzhov 2024-04-12 16:09:43 +03:00 committed by GitHub
parent 692f916b88 665ec41339
commit b6e6656a2e
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2 changed files with 8 additions and 0 deletions
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2
bfdd/bfd.h
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@ -105,6 +105,8 @@ struct bfd_echo_pkt {
#define BFD_CBIT 0x08
#define BFD_ABIT 0x04
#define BFD_DEMANDBIT 0x02
#define BFD_MBIT 0x01
#define BFD_GETMBIT(flags) (flags & BFD_MBIT)
#define BFD_SETDEMANDBIT(flags, val) \
{ \
if ((val)) \

6
bfdd/bfd_packet.c
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@ -898,6 +898,12 @@ void bfd_recv_cb(struct event *t)
return;
}
if (BFD_GETMBIT(cp->flags)) {
cp_debug(is_mhop, &peer, &local, ifindex, vrfid,
"detect non-zero Multipoint (M) flag");
return;
}
if (cp->discrs.my_discr == 0) {
cp_debug(is_mhop, &peer, &local, ifindex, vrfid,
"'my discriminator' is zero");