From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Emelyanov Subject: [PATCH 2/5] tcp_diag: Report max ack backlog as separate nla Date: Wed, 28 Dec 2011 17:37:10 +0400 Message-ID: <4EFB1B86.7090905@parallels.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit To: David Miller , Linux Netdev List Return-path: Received: from mailhub.sw.ru ([195.214.232.25]:4032 "EHLO relay.sw.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753770Ab1L1NhQ (ORCPT ); Wed, 28 Dec 2011 08:37:16 -0500 Sender: netdev-owner@vger.kernel.org List-ID: Since it's thrown away from the core message let's nonetheless report it. Signed-off-by: Pavel Emelyanov --- include/linux/inet_diag.h | 1 + net/ipv4/inet_diag.c | 4 ++++ 2 files changed, 5 insertions(+), 0 deletions(-) diff --git a/include/linux/inet_diag.h b/include/linux/inet_diag.h index d274712..4cdbfe9 100644 --- a/include/linux/inet_diag.h +++ b/include/linux/inet_diag.h @@ -108,6 +108,7 @@ enum { INET_DIAG_CONG, INET_DIAG_TOS, INET_DIAG_TCLASS, + INET_DIAG_MAX_ACK_BACKLOG, }; #define INET_DIAG_MAX INET_DIAG_TCLASS diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c index 91f9092..8cef079 100644 --- a/net/ipv4/inet_diag.c +++ b/net/ipv4/inet_diag.c @@ -109,6 +109,10 @@ int inet_sk_diag_fill(struct sock *sk, struct inet_connection_sock *icsk, r->id.idiag_src[0] = inet->inet_rcv_saddr; r->id.idiag_dst[0] = inet->inet_daddr; + if (ext & (1 << (INET_DIAG_MAX_ACK_BACKLOG - 1))) + RTA_PUT_U8(skb, INET_DIAG_MAX_ACK_BACKLOG, + sk->sk_max_ack_backlog); + /* IPv6 dual-stack sockets use inet->tos for IPv4 connections, * hence this needs to be included regardless of socket family. */ -- 1.5.5.6