sepherosa_gmail.com updated the summary for this revision.
sepherosa_gmail.com updated this revision to Diff 15642.
CHANGES SINCE LAST UPDATE
https://reviews.freebsd.org/D5872?vs=14968&id=15642
REVISION DETAIL
https://reviews.freebsd.org/D5872
AFFECTED FILES
sys/netinet/tcp_output.c
CHANGE DETAILS
diff --git a/sys/netinet/tcp_output.c b/sys/netinet/tcp_output.c
--- a/sys/netinet/tcp_output.c
+++ b/sys/netinet/tcp_output.c
@@ -1545,9 +1545,10 @@
tp->t_softerror = error;
return (error);
case ENOBUFS:
- if (!tcp_timer_active(tp, TT_REXMT) &&
+ if ((len > 0 || (flags & (TH_SYN | TH_FIN))) &&
+ !tcp_timer_active(tp, TT_REXMT) &&
!tcp_timer_active(tp, TT_PERSIST))
- tcp_timer_activate(tp, TT_REXMT, tp->t_rxtcur);
+ panic("neither rexmt nor persist timer is set");
tp->snd_cwnd = tp->t_maxseg;
return (0);
case EMSGSIZE:
EMAIL PREFERENCES
https://reviews.freebsd.org/settings/panel/emailpreferences/
To: sepherosa_gmail.com, network, glebius, adrian, delphij,
decui_microsoft.com, honzhan_microsoft.com, howard0su_gmail.com,
freebsd-net-list, lstewart, hiren, jtl, transport
Cc: gnn, mike-karels.net, jtl
diff --git a/sys/netinet/tcp_output.c b/sys/netinet/tcp_output.c
--- a/sys/netinet/tcp_output.c
+++ b/sys/netinet/tcp_output.c
@@ -1545,9 +1545,10 @@
tp->t_softerror = error;
return (error);
case ENOBUFS:
- if (!tcp_timer_active(tp, TT_REXMT) &&
+ if ((len > 0 || (flags & (TH_SYN | TH_FIN))) &&
+ !tcp_timer_active(tp, TT_REXMT) &&
!tcp_timer_active(tp, TT_PERSIST))
- tcp_timer_activate(tp, TT_REXMT, tp->t_rxtcur);
+ panic("neither rexmt nor persist timer is set");
tp->snd_cwnd = tp->t_maxseg;
return (0);
case EMSGSIZE:
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