diff options
| author |   Klement Sekera <ksekera@cisco.com> | 2020-03-10 12:32:54 +0100 |
|---|---|---|
| committer |   Ole Trøan <otroan@employees.org> | 2020-03-26 14:56:09 +0000 |
| commit | 1c2ac860ed9a80dac539af6408d70f7dfd2c238e (patch) | |
| tree | 5f418adb4fe3f43d104379179fc2885fc5b64f6a /src/plugins/nat/nat.c | |
| parent | 65c30ceb92dd79c7b00e8c31119db98d473dbfbb (diff) | |
nat: transitory timeout for TCP CLOSED state
Wait transitory timeout seconds before moving internal state of TCP
session to CLOSED state per RFC 7857. This patch implements this
functionality for endpoint-dependent NAT.
Type: improvement
Signed-off-by: Klement Sekera <ksekera@cisco.com>
Change-Id: I4491d831cd9edf63fae520a516cdbe590bac85db
Diffstat (limited to 'src/plugins/nat/nat.c')
| -rwxr-xr-x | src/plugins/nat/nat.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/plugins/nat/nat.c b/src/plugins/nat/nat.c index 1f63237fb45..ffa94a1fd94 100755 --- a/src/plugins/nat/nat.c +++ b/src/plugins/nat/nat.c @@ -619,7 +619,8 @@ nat_ed_session_alloc (snat_main_t * sm, snat_user_t * u, u32 thread_index, s = pool_elt_at_index (tsm->sessions, oldest_elt->value); sess_timeout_time = s->last_heard + (f64) nat44_session_get_timeout (sm, s); - if (now >= sess_timeout_time) + if (now >= sess_timeout_time || + (s->tcp_close_timestamp && now >= s->tcp_close_timestamp)) { // reuse old session clib_dlist_addtail (tsm->list_pool, |