From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rick Jones Subject: why does tcp_v[46]_conn_request not inc MIB stats Date: Mon, 10 Sep 2007 11:42:18 -0700 Message-ID: <46E5900A.3010009@hp.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit To: Linux Network Development list Return-path: Received: from palrel11.hp.com ([156.153.255.246]:38033 "EHLO palrel11.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756559AbXIJSmk (ORCPT ); Mon, 10 Sep 2007 14:42:40 -0400 Received: from tardy.cup.hp.com (tardy.cup.hp.com [15.244.56.217]) by palrel11.hp.com (Postfix) with ESMTP id 3801D3572B for ; Mon, 10 Sep 2007 11:42:19 -0700 (PDT) Received: from [127.0.0.1] (localhost [127.0.0.1]) by tardy.cup.hp.com (8.9.3 (PHNE_28810)/8.9.3 SMKit7.02) with ESMTP id LAA00267 for ; Mon, 10 Sep 2007 11:42:18 -0700 (PDT) Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org I've been digging around to see about inducing /proc/net/tcp to show some "interesting" things for listen sockets (eg backlog depth, its max, and dropped connection requests). While there I've noticed that both tcp_v[46]_syn_recv_sock and tcp_v[46]conn_request both check that the listen queue is full, but only tcp_v[46]_syn_recv_sock increments some mib stats for dropped connection requests. Is that deliberate, or is that a hole in the stats? rick jones