netdev - [PATCH] iproute2: use IFLA_TXQLEN when it is available

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <1305168451-14491-1-git-send-email-xiaosuo@gmail.com>
Date:	Thu, 12 May 2011 10:47:31 +0800
From:	Changli Gao <xiaosuo@...il.com>
To:	shemminger@...tta.com
Cc:	netdev@...r.kernel.org, kuznet@....inr.ac.ru,
	Changli Gao <xiaosuo@...il.com>
Subject: [PATCH] iproute2: use IFLA_TXQLEN when it is available

Use IFLA_TXQLEN when it is available, to avoid additional system calls.

Signed-off-by: Changli Gao <xiaosuo@...il.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);
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html