From: Cong Wang <amwang@redhat.com>
To: netdev@vger.kernel.org
Cc: Stephen Hemminger <stephen@networkplumber.org>,
"David S. Miller" <davem@davemloft.net>,
Thomas Graf <tgraf@suug.ch>, Cong Wang <amwang@redhat.com>
Subject: [Patch iproute2] add quickack option to ip route
Date: Wed, 12 Jun 2013 17:55:55 +0800 [thread overview]
Message-ID: <1371030955-6740-2-git-send-email-amwang@redhat.com> (raw)
In-Reply-To: <1371030955-6740-1-git-send-email-amwang@redhat.com>
From: Cong Wang <amwang@redhat.com>
Cc: Stephen Hemminger <stephen@networkplumber.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Thomas Graf <tgraf@suug.ch>
Signed-off-by: Cong Wang <amwang@redhat.com>
---
diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h
index 93370bd..248fdd3 100644
--- a/include/linux/rtnetlink.h
+++ b/include/linux/rtnetlink.h
@@ -386,6 +386,8 @@ enum {
#define RTAX_RTO_MIN RTAX_RTO_MIN
RTAX_INITRWND,
#define RTAX_INITRWND RTAX_INITRWND
+ RTAX_QUICKACK,
+#define RTAX_QUICKACK RTAX_QUICKACK
__RTAX_MAX
};
diff --git a/ip/iproute.c b/ip/iproute.c
index adef774..46710b2 100644
--- a/ip/iproute.c
+++ b/ip/iproute.c
@@ -52,6 +52,7 @@ static const char *mx_names[RTAX_MAX+1] = {
[RTAX_FEATURES] = "features",
[RTAX_RTO_MIN] = "rto_min",
[RTAX_INITRWND] = "initrwnd",
+ [RTAX_QUICKACK] = "quickack",
};
static void usage(void) __attribute__((noreturn));
@@ -79,6 +80,7 @@ static void usage(void)
fprintf(stderr, " [ window NUMBER] [ cwnd NUMBER ] [ initcwnd NUMBER ]\n");
fprintf(stderr, " [ ssthresh NUMBER ] [ realms REALM ] [ src ADDRESS ]\n");
fprintf(stderr, " [ rto_min TIME ] [ hoplimit NUMBER ] [ initrwnd NUMBER ]\n");
+ fprintf(stderr, " [ quickack BOOL ]\n");
fprintf(stderr, "TYPE := [ unicast | local | broadcast | multicast | throw |\n");
fprintf(stderr, " unreachable | prohibit | blackhole | nat ]\n");
fprintf(stderr, "TABLE_ID := [ local | main | default | all | NUMBER ]\n");
@@ -86,6 +88,7 @@ static void usage(void)
fprintf(stderr, "NHFLAGS := [ onlink | pervasive ]\n");
fprintf(stderr, "RTPROTO := [ kernel | boot | static | NUMBER ]\n");
fprintf(stderr, "TIME := NUMBER[s|ms]\n");
+ fprintf(stderr, "BOOL := [1|0]\n");
exit(-1);
}
@@ -885,6 +888,14 @@ static int iproute_modify(int cmd, unsigned flags, int argc, char **argv)
if (get_unsigned(&win, *argv, 0))
invarg("\"initrwnd\" value is invalid\n", *argv);
rta_addattr32(mxrta, sizeof(mxbuf), RTAX_INITRWND, win);
+ } else if (matches(*argv, "quickack") == 0) {
+ unsigned quickack;
+ NEXT_ARG();
+ if (get_unsigned(&quickack, *argv, 0))
+ invarg("\"quickack\" value is invalid\n", *argv);
+ if (quickack != 1 && quickack != 0)
+ invarg("\"quickack\" value should be 0 or 1\n", *argv);
+ rta_addattr32(mxrta, sizeof(mxbuf), RTAX_QUICKACK, quickack);
} else if (matches(*argv, "rttvar") == 0) {
unsigned win;
NEXT_ARG();
diff --git a/man/man8/ip-route.8.in b/man/man8/ip-route.8.in
index 2c35a97..01997fa 100644
--- a/man/man8/ip-route.8.in
+++ b/man/man8/ip-route.8.in
@@ -111,6 +111,8 @@ replace " } "
.IR NUMBER " ] [ "
.B initrwnd
.IR NUMBER " ]"
+.B quickack
+.IR BOOL " ]"
.ti -8
.IR TYPE " := [ "
@@ -401,6 +403,10 @@ Actual window size is this value multiplied by the MSS of the connection.
The default value is zero, meaning to use Slow Start value.
.TP
+.BI quickack " BOOL " "(3.11+ only)"
+Enable or disable quick ack for connections to this destination.
+
+.TP
.BI advmss " NUMBER " "(2.3.15+ only)"
the MSS ('Maximal Segment Size') to advertise to these
destinations when establishing TCP connections. If it is not given,
next prev parent reply other threads:[~2013-06-12 9:56 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-12 9:55 [Patch net-next] tcp: introduce a per-route knob for quick ack Cong Wang
2013-06-12 9:55 ` Cong Wang [this message]
2013-06-12 10:02 ` David Miller
2013-06-13 1:56 ` Cong Wang
2013-06-13 6:24 [Patch net-next v2] " Cong Wang
2013-06-13 6:24 ` [Patch iproute2] add quickack option to ip route Cong Wang
2013-06-15 1:39 [Patch net-next v3] tcp: introduce a per-route knob for quick ack Cong Wang
2013-06-15 1:39 ` [Patch iproute2] add quickack option to ip route Cong Wang
2013-06-20 1:17 ` Stephen Hemminger
2013-07-16 2:29 ` Cong Wang
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