From: Changli Gao <xiaosuo@gmail.com>
To: shemminger@vyatta.com
Cc: netdev@vger.kernel.org, kuznet@ms2.inr.ac.ru,
Changli Gao <xiaosuo@gmail.com>
Subject: [PATCH] iproute2: use IFLA_TXQLEN when it is available
Date: Thu, 12 May 2011 10:47:31 +0800 [thread overview]
Message-ID: <1305168451-14491-1-git-send-email-xiaosuo@gmail.com> (raw)
Use IFLA_TXQLEN when it is available, to avoid additional system calls.
Signed-off-by: Changli Gao <xiaosuo@gmail.com>
---
ip/ipaddress.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/ip/ipaddress.c b/ip/ipaddress.c
index a1f78b9..59afafd 100644
--- a/ip/ipaddress.c
+++ b/ip/ipaddress.c
@@ -285,8 +285,16 @@ int print_linkinfo(const struct sockaddr_nl *who,
if (tb[IFLA_OPERSTATE])
print_operstate(fp, *(__u8 *)RTA_DATA(tb[IFLA_OPERSTATE]));
- if (filter.showqueue)
- print_queuelen(fp, (char*)RTA_DATA(tb[IFLA_IFNAME]));
+ if (filter.showqueue) {
+ if (tb[IFLA_TXQLEN]) {
+ __u32 txqlen = *(__u32 *)RTA_DATA(tb[IFLA_TXQLEN]);
+
+ if (txqlen)
+ fprintf(fp, "qlen %u", txqlen);
+ } else {
+ print_queuelen(fp, (char*)RTA_DATA(tb[IFLA_IFNAME]));
+ }
+ }
if (!filter.family || filter.family == AF_PACKET) {
SPRINT_BUF(b1);
next reply other threads:[~2011-05-12 2:48 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-12 2:47 Changli Gao [this message]
2011-05-12 3:28 ` [PATCH] iproute2: use IFLA_TXQLEN when it is available Eric Dumazet
2011-05-12 4:40 ` Eric Dumazet
2011-05-12 15:57 ` Stephen Hemminger
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