aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorMichael Tuexen <tuexen@FreeBSD.org>2024-12-31 16:29:04 +0000
committerMichael Tuexen <tuexen@FreeBSD.org>2024-12-31 16:29:04 +0000
commitb47dcb4b1ff16e6af2e07798f6fe06580b4eddf0 (patch)
tree8d180504f1d761176f177860b9a3d9c7b90fcdcb
parent4f3a0c719780fdd57c660ceb353bbc71fc555600 (diff)
TCP BBR: fix getsockopt() for TCP_BBR_USEDEL_RATE
Actually implement the IPPROTO_TCP-level socket option TCP_BBR_USEDEL_RATE. Reviewed by: rrs CID: 1523813 CID: 1523814 MFC after: 1 week Sponsored by: Netflix, Inc. Differential Revision: https://reviews.freebsd.org/D48261
-rw-r--r--sys/netinet/tcp_stacks/bbr.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/sys/netinet/tcp_stacks/bbr.c b/sys/netinet/tcp_stacks/bbr.c
index 24c3685f139a..f440573ace30 100644
--- a/sys/netinet/tcp_stacks/bbr.c
+++ b/sys/netinet/tcp_stacks/bbr.c
@@ -14587,6 +14587,7 @@ bbr_get_sockopt(struct tcpcb *tp, struct sockopt *sopt)
{
struct inpcb *inp = tptoinpcb(tp);
struct tcp_bbr *bbr;
+ uint64_t loptval;
int32_t error, optval;
bbr = (struct tcp_bbr *)tp->t_fb_ptr;
@@ -14647,7 +14648,7 @@ bbr_get_sockopt(struct tcpcb *tp, struct sockopt *sopt)
optval = bbr->rc_loss_exit;
break;
case TCP_BBR_USEDEL_RATE:
- error = EINVAL;
+ loptval = get_filter_value(&bbr->r_ctl.rc_delrate);
break;
case TCP_BBR_MIN_RTO:
optval = bbr->r_ctl.rc_min_rto_ms;
@@ -14731,7 +14732,10 @@ bbr_get_sockopt(struct tcpcb *tp, struct sockopt *sopt)
break;
}
INP_WUNLOCK(inp);
- error = sooptcopyout(sopt, &optval, sizeof optval);
+ if (sopt->sopt_name == TCP_BBR_USEDEL_RATE)
+ error = sooptcopyout(sopt, &loptval, sizeof loptval);
+ else
+ error = sooptcopyout(sopt, &optval, sizeof optval);
return (error);
}