Merge pull request #10120 from idryzhov/bfd-detect-to

bfdd: fix detection timeout update
This commit is contained in:
Russ White 2021-12-07 06:38:15 -05:00 committed by GitHub
commit 46565af731
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2 changed files with 18 additions and 24 deletions

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@ -1226,27 +1226,6 @@ void bs_final_handler(struct bfd_session *bs)
/* Apply new transmission timer immediately. */
ptm_bfd_start_xmt_timer(bs, false);
/*
* Detection timeout calculation:
* The minimum detection timeout is the remote detection
* multipler (number of packets to be missed) times the agreed
* transmission interval.
*
* RFC 5880, Section 6.8.4.
*
* TODO: support sending/counting more packets inside detection
* timeout.
*/
if (bs->timers.required_min_rx > bs->remote_timers.desired_min_tx)
bs->detect_TO = bs->remote_detect_mult
* bs->timers.required_min_rx;
else
bs->detect_TO = bs->remote_detect_mult
* bs->remote_timers.desired_min_tx;
/* Apply new receive timer immediately. */
bfd_recvtimer_update(bs);
/* Notify watchers about changed timers. */
control_notify_config(BCM_NOTIFY_CONFIG_UPDATE, bs);
}

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@ -697,11 +697,26 @@ int bfd_recv_cb(struct thread *t)
/* Handle poll finalization. */
bs_final_handler(bfd);
} else {
/* Received a packet, lets update the receive timer. */
bfd_recvtimer_update(bfd);
}
/*
* Detection timeout calculation:
* The minimum detection timeout is the remote detection
* multipler (number of packets to be missed) times the agreed
* transmission interval.
*
* RFC 5880, Section 6.8.4.
*/
if (bfd->cur_timers.required_min_rx > bfd->remote_timers.desired_min_tx)
bfd->detect_TO = bfd->remote_detect_mult
* bfd->cur_timers.required_min_rx;
else
bfd->detect_TO = bfd->remote_detect_mult
* bfd->remote_timers.desired_min_tx;
/* Apply new receive timer immediately. */
bfd_recvtimer_update(bfd);
/* Handle echo timers changes. */
bs_echo_timer_handler(bfd);