From 8ef4a2cfb30d2f980cfd330853b1963ce03892cb Mon Sep 17 00:00:00 2001 From: Michael Tuexen Date: Tue, 31 Dec 2024 22:03:13 +0100 Subject: [PATCH] TCP BBR: fix condition when sending a tail loss probe Reviewed by: rrs CID: 1523793 Sponsored by: Netflix, Inc. Differential Revision: https://reviews.freebsd.org/D48274 (cherry picked from commit 5ec914e06c96ff40bf0e6567359c0de039b59ed2) --- sys/netinet/tcp_stacks/bbr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/netinet/tcp_stacks/bbr.c b/sys/netinet/tcp_stacks/bbr.c index 47b4a1bddc6..b9cfdf312c8 100644 --- a/sys/netinet/tcp_stacks/bbr.c +++ b/sys/netinet/tcp_stacks/bbr.c @@ -4613,7 +4613,7 @@ need_retran: */ if (collapsed_win == 0) { rsm = TAILQ_LAST_FAST(&bbr->r_ctl.rc_map, bbr_sendmap, r_next); - if (rsm && (BBR_ACKED | BBR_HAS_FIN)) { + if (rsm && (rsm->r_flags & (BBR_ACKED | BBR_HAS_FIN))) { rsm = bbr_find_high_nonack(bbr, rsm); } if (rsm == NULL) {