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-rw-r--r--sys/netinet/tcp_input.c18
-rw-r--r--sys/netinet/tcp_subr.c11
-rw-r--r--sys/netinet/tcp_timer.c4
-rw-r--r--sys/netinet/tcp_var.h3
4 files changed, 22 insertions, 14 deletions
diff --git a/sys/netinet/tcp_input.c b/sys/netinet/tcp_input.c
index 6e4ee27297d..5c3bb764f76 100644
--- a/sys/netinet/tcp_input.c
+++ b/sys/netinet/tcp_input.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: tcp_input.c,v 1.102 2002/01/14 20:09:42 provos Exp $ */
+/* $OpenBSD: tcp_input.c,v 1.103 2002/01/15 19:18:01 provos Exp $ */
/* $NetBSD: tcp_input.c,v 1.23 1996/02/13 23:43:44 christos Exp $ */
/*
@@ -2424,7 +2424,7 @@ tcp_sack_option(struct tcpcb *tp, struct tcphdr *th, u_char *cp, int optlen)
continue;
if (tp->snd_holes == NULL) { /* first hole */
tp->snd_holes = (struct sackhole *)
- malloc(sizeof(struct sackhole), M_PCB, M_NOWAIT);
+ pool_get(&sackhl_pool, PR_NOWAIT);
if (tp->snd_holes == NULL) {
/* ENOBUFS, so ignore SACKed block for now*/
continue;
@@ -2478,11 +2478,11 @@ tcp_sack_option(struct tcpcb *tp, struct tcphdr *th, u_char *cp, int optlen)
/* Acks entire hole, so delete hole */
if (p != cur) {
p->next = cur->next;
- free(cur, M_PCB);
+ pool_put(&sackhl_pool, cur);
cur = p->next;
} else {
cur = cur->next;
- free(p, M_PCB);
+ pool_put(&sackhl_pool, p);
p = cur;
tp->snd_holes = p;
}
@@ -2520,8 +2520,8 @@ tcp_sack_option(struct tcpcb *tp, struct tcphdr *th, u_char *cp, int optlen)
* ACKs some data in middle of a hole; need to
* split current hole
*/
- temp = (struct sackhole *)malloc(sizeof(*temp),
- M_PCB,M_NOWAIT);
+ temp = (struct sackhole *)
+ pool_get(&sackhl_pool, PR_NOWAIT);
if (temp == NULL)
continue; /* ENOBUFS */
#if defined(TCP_SACK) && defined(TCP_FACK)
@@ -2557,8 +2557,8 @@ tcp_sack_option(struct tcpcb *tp, struct tcphdr *th, u_char *cp, int optlen)
* Need to append new hole at end.
* Last hole is p (and it's not NULL).
*/
- temp = (struct sackhole *) malloc(sizeof(*temp),
- M_PCB, M_NOWAIT);
+ temp = (struct sackhole *)
+ pool_get(&sackhl_pool, PR_NOWAIT);
if (temp == NULL)
continue; /* ENOBUFS */
temp->start = tp->rcv_lastsack;
@@ -2612,7 +2612,7 @@ tcp_del_sackholes(tp, th)
if (SEQ_LEQ(cur->end, lastack)) {
prev = cur;
cur = cur->next;
- free(prev, M_PCB);
+ pool_put(&sackhl_pool, prev);
tp->snd_numholes--;
} else if (SEQ_LT(cur->start, lastack)) {
cur->start = lastack;
diff --git a/sys/netinet/tcp_subr.c b/sys/netinet/tcp_subr.c
index e70f4406909..d32a1252028 100644
--- a/sys/netinet/tcp_subr.c
+++ b/sys/netinet/tcp_subr.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: tcp_subr.c,v 1.54 2002/01/15 16:59:08 provos Exp $ */
+/* $OpenBSD: tcp_subr.c,v 1.55 2002/01/15 19:18:01 provos Exp $ */
/* $NetBSD: tcp_subr.c,v 1.22 1996/02/13 23:44:00 christos Exp $ */
/*
@@ -144,6 +144,9 @@ extern int ip6_defhlim;
#endif /* INET6 */
struct pool tcpcb_pool;
+#ifdef TCP_SACK
+struct pool sackhl_pool;
+#endif
struct tcpstat tcpstat; /* tcp statistics */
@@ -158,6 +161,10 @@ tcp_init()
#endif /* TCP_COMPAT_42 */
pool_init(&tcpcb_pool, sizeof(struct tcpcb), 0, 0, 0, "tcpcbpl",
0, NULL, NULL, M_PCB);
+#ifdef TCP_SACK
+ pool_init(&sackhl_pool, sizeof(struct sackhole), 0, 0, 0, "sackhlpl",
+ 0, NULL, NULL, M_PCB);
+#endif /* TCP_SACK */
in_pcbinit(&tcbtable, tcbhashsize);
tcp_now = arc4random() / 2;
@@ -680,7 +687,7 @@ tcp_close(tp)
q = p = tp->snd_holes;
while (p != 0) {
q = p->next;
- free(p, M_PCB);
+ pool_put(&sackhl_pool, p);
p = q;
}
#endif
diff --git a/sys/netinet/tcp_timer.c b/sys/netinet/tcp_timer.c
index 695547cdbcf..763650405e1 100644
--- a/sys/netinet/tcp_timer.c
+++ b/sys/netinet/tcp_timer.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: tcp_timer.c,v 1.25 2002/01/14 20:13:45 provos Exp $ */
+/* $OpenBSD: tcp_timer.c,v 1.26 2002/01/15 19:18:01 provos Exp $ */
/* $NetBSD: tcp_timer.c,v 1.14 1996/02/13 23:44:09 christos Exp $ */
/*
@@ -181,7 +181,7 @@ tcp_timers(tp, timer)
while (q != NULL) {
p = q;
q = q->next;
- free(p, M_PCB);
+ pool_put(&sackhl_pool, p);
}
tp->snd_holes = 0;
#if defined(TCP_SACK) && defined(TCP_FACK)
diff --git a/sys/netinet/tcp_var.h b/sys/netinet/tcp_var.h
index fd7a7e2c2d6..87d9f95b6a7 100644
--- a/sys/netinet/tcp_var.h
+++ b/sys/netinet/tcp_var.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: tcp_var.h,v 1.37 2001/06/23 06:03:13 angelos Exp $ */
+/* $OpenBSD: tcp_var.h,v 1.38 2002/01/15 19:18:01 provos Exp $ */
/* $NetBSD: tcp_var.h,v 1.17 1996/02/13 23:44:24 christos Exp $ */
/*
@@ -326,6 +326,7 @@ extern int tcp_do_rfc1323; /* enabled/disabled? */
extern int tcp_mssdflt; /* default maximum segment size */
#ifdef TCP_SACK
extern int tcp_do_sack; /* SACK enabled/disabled */
+extern struct pool sackhl_pool;
#endif
int tcp_attach __P((struct socket *));