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Commit c4042a33 authored by Pablo Neira Ayuso's avatar Pablo Neira Ayuso
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netfilter: ctnetlink: support individual atomic-get-and-reset of counters 



This allows to use the get operation to atomically get-and-reset
counters.

Signed-off-by: default avatarPablo Neira Ayuso <pablo@netfilter.org>
parent 35dba1d7

net/netfilter/nf_conntrack_netlink.c

+11 −0
Original line number Diff line number Diff line
@@ -1015,6 +1015,17 @@ 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: