From mboxrd@z Thu Jan 1 00:00:00 1970 From: pablo@netfilter.org Subject: [PATCH 2/2] netfilter: ctnetlink: support individual atomic-get-and-reset of counters Date: Sun, 18 Dec 2011 01:34:29 +0100 Message-ID: <1324168469-11204-2-git-send-email-pablo@netfilter.org> References: <1324168469-11204-1-git-send-email-pablo@netfilter.org> Cc: kaber@trash.net, jengelh@medozas.de, kadlec@blackhole.kfki.hu To: netfilter-devel@vger.kernel.org Return-path: Received: from mail.us.es ([193.147.175.20]:42771 "EHLO mail.us.es" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751085Ab1LRAel (ORCPT ); Sat, 17 Dec 2011 19:34:41 -0500 In-Reply-To: <1324168469-11204-1-git-send-email-pablo@netfilter.org> Sender: netfilter-devel-owner@vger.kernel.org List-ID: From: Pablo Neira Ayuso This allows to use the get operation to atomically get-and-reset counters. Signed-off-by: Pablo Neira Ayuso --- net/netfilter/nf_conntrack_netlink.c | 11 +++++++++++ 1 files changed, 11 insertions(+), 0 deletions(-) diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c index 81a0f11..4b6b570 100644 --- a/net/netfilter/nf_conntrack_netlink.c +++ b/net/netfilter/nf_conntrack_netlink.c @@ -1011,6 +1011,17 @@ ctnetlink_get_conntrack(struct sock *ctnl, struct sk_buff *skb, if (err < 0) goto out; + if (NFNL_MSG_TYPE(nlh->nlmsg_type) == IPCTNL_MSG_CT_GET_CTRZERO) { + struct nf_conn_counter *acct; + + acct = nf_conn_acct_find(ct); + if (acct) { + atomic64_set(&acct[IP_CT_DIR_ORIGINAL].bytes, 0); + atomic64_set(&acct[IP_CT_DIR_ORIGINAL].packets, 0); + atomic64_set(&acct[IP_CT_DIR_REPLY].bytes, 0); + atomic64_set(&acct[IP_CT_DIR_REPLY].packets, 0); + } + } return 0; free: -- 1.7.2.5