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bfdd: disable echo on neighbor request

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Don't send echo packets when the neighbor configures echo-interval of 0
(e.g. disabled).

Signed-off-by: Rafael Zalamena <rzalamena@opensourcerouting.org>
This commit is contained in:
Rafael Zalamena 2018-09-13 10:09:03 -03:00
parent d236e76b37
commit 451eb5a2f8
2 changed files with 6 additions and 3 deletions
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6
bfdd/bfd.c
View File

@ -157,7 +157,8 @@ void ptm_bfd_echo_stop(struct bfd_session *bfd, int polling)
void ptm_bfd_echo_start(struct bfd_session *bfd) void ptm_bfd_echo_start(struct bfd_session *bfd)
{ {
bfd->echo_detect_TO = (bfd->remote_detect_mult * bfd->echo_xmt_TO); bfd->echo_detect_TO = (bfd->remote_detect_mult * bfd->echo_xmt_TO);
ptm_bfd_echo_xmt_TO(bfd); if (bfd->echo_detect_TO > 0)
ptm_bfd_echo_xmt_TO(bfd);
bfd->polling = 1; bfd->polling = 1;
bfd->new_timers.desired_min_tx = bfd->up_min_tx; bfd->new_timers.desired_min_tx = bfd->up_min_tx;
@ -324,7 +325,8 @@ int bfd_echo_xmt_cb(struct thread *t)
{ {
struct bfd_session *bs = THREAD_ARG(t); struct bfd_session *bs = THREAD_ARG(t);
ptm_bfd_echo_xmt_TO(bs); if (bs->echo_xmt_TO > 0)
ptm_bfd_echo_xmt_TO(bs);
return 0; return 0;
} }

3
bfdd/bfd_packet.c
View File

@ -197,7 +197,8 @@ static int ptm_bfd_process_echo_pkt(int s)
bfd->echo_detect_TO = bfd->remote_detect_mult * bfd->echo_xmt_TO; bfd->echo_detect_TO = bfd->remote_detect_mult * bfd->echo_xmt_TO;
/* Update echo receive timeout. */ /* Update echo receive timeout. */
bfd_echo_recvtimer_update(bfd); if (bfd->echo_detect_TO > 0)
bfd_echo_recvtimer_update(bfd);
return 0; return 0;
} }