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Diffstat (limited to 'sys-freebsd/freebsd-sources/files/freebsd-sources-9.1-tcp.patch')
-rw-r--r--sys-freebsd/freebsd-sources/files/freebsd-sources-9.1-tcp.patch32
1 files changed, 32 insertions, 0 deletions
diff --git a/sys-freebsd/freebsd-sources/files/freebsd-sources-9.1-tcp.patch b/sys-freebsd/freebsd-sources/files/freebsd-sources-9.1-tcp.patch
new file mode 100644
index 000000000000..2f82a5f98a58
--- /dev/null
+++ b/sys-freebsd/freebsd-sources/files/freebsd-sources-9.1-tcp.patch
@@ -0,0 +1,32 @@
+Index: sys/netinet/tcp_reass.c
+===================================================================
+--- sys/netinet/tcp_reass.c (revision 264836)
++++ sys/netinet/tcp_reass.c (working copy)
+@@ -211,7 +211,7 @@ tcp_reass(struct tcpcb *tp, struct tcphdr *th, int
+ * Investigate why and re-evaluate the below limit after the behaviour
+ * is understood.
+ */
+- if (th->th_seq != tp->rcv_nxt &&
++ if ((th->th_seq != tp->rcv_nxt || !TCPS_HAVEESTABLISHED(tp->t_state)) &&
+ tp->t_segqlen >= (so->so_rcv.sb_hiwat / tp->t_maxseg) + 1) {
+ V_tcp_reass_overflows++;
+ TCPSTAT_INC(tcps_rcvmemdrop);
+@@ -234,7 +234,7 @@ tcp_reass(struct tcpcb *tp, struct tcphdr *th, int
+ */
+ te = uma_zalloc(V_tcp_reass_zone, M_NOWAIT);
+ if (te == NULL) {
+- if (th->th_seq != tp->rcv_nxt) {
++ if (th->th_seq != tp->rcv_nxt || !TCPS_HAVEESTABLISHED(tp->t_state)) {
+ TCPSTAT_INC(tcps_rcvmemdrop);
+ m_freem(m);
+ *tlenp = 0;
+@@ -282,7 +282,8 @@ tcp_reass(struct tcpcb *tp, struct tcphdr *th, int
+ TCPSTAT_INC(tcps_rcvduppack);
+ TCPSTAT_ADD(tcps_rcvdupbyte, *tlenp);
+ m_freem(m);
+- uma_zfree(V_tcp_reass_zone, te);
++ if (te != &tqs)
++ uma_zfree(V_tcp_reass_zone, te);
+ tp->t_segqlen--;
+ /*
+ * Try to present any queued data