The branch stable/13 has been updated by tuexen:
URL:
https://cgit.FreeBSD.org/src/commit/?id=3e8226cb8c8333c4e0a1118fe09d0a7b6e5711cd
commit 3e8226cb8c8333c4e0a1118fe09d0a7b6e5711cd
Author: Michael Tuexen <tue...@freebsd.org>
AuthorDate: 2024-08-30 07:26:41 +0000
Commit: Michael Tuexen <tue...@freebsd.org>
CommitDate: 2024-10-31 16:36:28 +0000
tcp rack, bbr: improve handling of soft errors
Do not report an error, if it is stored as a soft error. This avoids,
for example, the dropping of TCP connections using an interface,
while enabling or disabling LRO on that interface.
Reviewed by: cc
Sponsored by: Netflix, Inc.
Differential Revision: https://reviews.freebsd.org/D46427
(cherry picked from commit b2044c4557443bbce974101f04e2b465d1bbe769)
---
sys/netinet/tcp_stacks/bbr.c | 1 +
sys/netinet/tcp_stacks/rack.c | 1 +
2 files changed, 2 insertions(+)
diff --git a/sys/netinet/tcp_stacks/bbr.c b/sys/netinet/tcp_stacks/bbr.c
index 8fde062c0dc7..5ebf82eb97d9 100644
--- a/sys/netinet/tcp_stacks/bbr.c
+++ b/sys/netinet/tcp_stacks/bbr.c
@@ -13961,6 +13961,7 @@ nomore:
case ENETUNREACH:
if (TCPS_HAVERCVDSYN(tp->t_state)) {
tp->t_softerror = error;
+ error = 0;
}
/* FALLTHROUGH */
default:
diff --git a/sys/netinet/tcp_stacks/rack.c b/sys/netinet/tcp_stacks/rack.c
index 7429dcac5d5b..ce1f2b88cef8 100644
--- a/sys/netinet/tcp_stacks/rack.c
+++ b/sys/netinet/tcp_stacks/rack.c
@@ -18571,6 +18571,7 @@ nomore:
case ENETDOWN:
if (TCPS_HAVERCVDSYN(tp->t_state)) {
tp->t_softerror = error;
+ error = 0;
}
/* FALLTHROUGH */
default:
