Module Name: src
Committed By: yamt
Date: Thu Apr 14 15:54:31 UTC 2011
Modified Files:
src/sys/netinet: tcp_sack.c
Log Message:
- comments
- whitespace
To generate a diff of this commit:
cvs rdiff -u -r1.25 -r1.26 src/sys/netinet/tcp_sack.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/netinet/tcp_sack.c
diff -u src/sys/netinet/tcp_sack.c:1.25 src/sys/netinet/tcp_sack.c:1.26
--- src/sys/netinet/tcp_sack.c:1.25 Wed May 27 17:41:03 2009
+++ src/sys/netinet/tcp_sack.c Thu Apr 14 15:54:31 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: tcp_sack.c,v 1.25 2009/05/27 17:41:03 pooka Exp $ */
+/* $NetBSD: tcp_sack.c,v 1.26 2011/04/14 15:54:31 yamt Exp $ */
/*
* Copyright (c) 2005 The NetBSD Foundation, Inc.
@@ -102,7 +102,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: tcp_sack.c,v 1.25 2009/05/27 17:41:03 pooka Exp $");
+__KERNEL_RCSID(0, "$NetBSD: tcp_sack.c,v 1.26 2011/04/14 15:54:31 yamt Exp $");
#include "opt_inet.h"
#include "opt_ipsec.h"
@@ -226,9 +226,14 @@
return next;
}
+/*
+ * tcp_new_dsack: record the reception of a duplicated segment.
+ */
+
void
tcp_new_dsack(struct tcpcb *tp, tcp_seq seq, u_int32_t len)
{
+
if (TCP_SACK_ENABLED(tp)) {
tp->rcv_dsack_block.left = seq;
tp->rcv_dsack_block.right = seq + len;
@@ -236,6 +241,10 @@
}
}
+/*
+ * tcp_sack_option: parse the given SACK option and update the scoreboard.
+ */
+
void
tcp_sack_option(struct tcpcb *tp, const struct tcphdr *th, const u_char *cp,
int optlen)
@@ -394,6 +403,10 @@
}
}
+/*
+ * tcp_del_sackholes: remove holes covered by a cumulative ACK.
+ */
+
void
tcp_del_sackholes(struct tcpcb *tp, const struct tcphdr *th)
{
@@ -415,6 +428,10 @@
}
}
+/*
+ * tcp_free_sackholes: clear the scoreboard.
+ */
+
void
tcp_free_sackholes(struct tcpcb *tp)
{
@@ -556,6 +573,10 @@
return;
}
+/*
+ * tcp_sack_numblks: return the number of SACK blocks to send.
+ */
+
int
tcp_sack_numblks(const struct tcpcb *tp)
{
