diff options
| author | Michael Tuexen <tuexen@FreeBSD.org> | 2024-05-10 18:58:01 +0000 |
|---|---|---|
| committer | Michael Tuexen <tuexen@FreeBSD.org> | 2024-05-10 19:02:56 +0000 |
| commit | 5120ea0d8871fd5d56a8fb70117b727b9d8a4e62 (patch) | |
| tree | 458427b63633d2c46d1168f1b26dc91a59301701 | |
| parent | 88cbbbb6070ce3c5aea7b8d511039d44fc1f1c47 (diff) | |
| download | src-5120ea0d8871fd5d56a8fb70117b727b9d8a4e62.tar.gz src-5120ea0d8871fd5d56a8fb70117b727b9d8a4e62.zip | |
sctp: improve heartbeat timer computation
PR: 278666
Reviewed by: Albin Hellqvist
MFC after: 3 days
Pull Request: https://reviews.freebsd.org/D45107
| -rw-r--r-- | sys/netinet/sctputil.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/sys/netinet/sctputil.c b/sys/netinet/sctputil.c index 22d45d150544..17e49b413464 100644 --- a/sys/netinet/sctputil.c +++ b/sys/netinet/sctputil.c @@ -2289,19 +2289,19 @@ sctp_timer_start(int t_type, struct sctp_inpcb *inp, struct sctp_tcb *stcb, } else { to_ticks = net->RTO; } - rndval = sctp_select_initial_TSN(&inp->sctp_ep); - jitter = rndval % to_ticks; - if (to_ticks > 1) { - to_ticks >>= 1; - } - if (jitter < (UINT32_MAX - to_ticks)) { - to_ticks += jitter; - } else { - to_ticks = UINT32_MAX; - } if (!((net->dest_state & SCTP_ADDR_UNCONFIRMED) && (net->dest_state & SCTP_ADDR_REACHABLE)) && ((net->dest_state & SCTP_ADDR_PF) == 0)) { + if (to_ticks > 1) { + rndval = sctp_select_initial_TSN(&inp->sctp_ep); + jitter = rndval % to_ticks; + to_ticks >>= 1; + if (jitter < (UINT32_MAX - to_ticks)) { + to_ticks += jitter; + } else { + to_ticks = UINT32_MAX; + } + } if (net->heart_beat_delay < (UINT32_MAX - to_ticks)) { to_ticks += net->heart_beat_delay; } else { |