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| author | Pablo Neira Ayuso <pablo@netfilter.org> | 2011-12-14 13:01:32 +0100 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2011-12-18 01:31:49 +0100 |
| commit | c4042a339f40fe00d85e31055b1c0808dd025539 (patch) | |
| tree | 0a32ceb3fe5399323f314ff17b07166f7a74cac7 /net | |
| parent | 35dba1d7f3ae669128a42c969d599ab8c604d61d (diff) | |
| download | lwn-c4042a339f40fe00d85e31055b1c0808dd025539.tar.gz lwn-c4042a339f40fe00d85e31055b1c0808dd025539.zip | |
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: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net')
| -rw-r--r-- | 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 77d209c235a0..636617ccfe25 100644 --- a/net/netfilter/nf_conntrack_netlink.c +++ b/net/netfilter/nf_conntrack_netlink.c @@ -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: |