diff options
| author | Pablo Neira Ayuso <pablo@netfilter.org> | 2006-09-20 23:00:45 +0400 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-09-23 02:19:52 +0400 |
| commit | 01f348484dd8509254d045e3ad49029716eca6a1 (patch) | |
| tree | 7a3f6d3bc775298bdc4b29749c34f18ffd379ee9 /net/ipv4 | |
| parent | 90d47db4a06f93f7339618b2a4f0cb032ef8d6d5 (diff) | |
| download | linux-01f348484dd8509254d045e3ad49029716eca6a1.tar.xz | |
[NETFILTER]: ctnetlink: simplify the code to dump the conntrack table
Merge the bits to dump the conntrack table and the ones to dump and
zero counters in a single piece of code. This patch does not change
the default behaviour if accounting is not enabled.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
| -rw-r--r-- | net/ipv4/netfilter/ip_conntrack_netlink.c | 63 |
1 files changed, 10 insertions, 53 deletions
diff --git a/net/ipv4/netfilter/ip_conntrack_netlink.c b/net/ipv4/netfilter/ip_conntrack_netlink.c index a20b0e385f1b..52eddea27e93 100644 --- a/net/ipv4/netfilter/ip_conntrack_netlink.c +++ b/net/ipv4/netfilter/ip_conntrack_netlink.c @@ -436,6 +436,11 @@ restart: cb->args[1] = (unsigned long)ct; goto out; } +#ifdef CONFIG_NF_CT_ACCT + if (NFNL_MSG_TYPE(cb->nlh->nlmsg_type) == + IPCTNL_MSG_CT_GET_CTRZERO) + memset(&ct->counters, 0, sizeof(ct->counters)); +#endif } if (cb->args[1]) { cb->args[1] = 0; @@ -451,46 +456,6 @@ out: return skb->len; } -#ifdef CONFIG_IP_NF_CT_ACCT -static int -ctnetlink_dump_table_w(struct sk_buff *skb, struct netlink_callback *cb) -{ - struct ip_conntrack *ct = NULL; - struct ip_conntrack_tuple_hash *h; - struct list_head *i; - u_int32_t *id = (u_int32_t *) &cb->args[1]; - - DEBUGP("entered %s, last bucket=%u id=%u\n", __FUNCTION__, - cb->args[0], *id); - - write_lock_bh(&ip_conntrack_lock); - for (; cb->args[0] < ip_conntrack_htable_size; cb->args[0]++, *id = 0) { - list_for_each_prev(i, &ip_conntrack_hash[cb->args[0]]) { - h = (struct ip_conntrack_tuple_hash *) i; - if (DIRECTION(h) != IP_CT_DIR_ORIGINAL) - continue; - ct = tuplehash_to_ctrack(h); - if (ct->id <= *id) - continue; - if (ctnetlink_fill_info(skb, NETLINK_CB(cb->skb).pid, - cb->nlh->nlmsg_seq, - IPCTNL_MSG_CT_NEW, - 1, ct) < 0) - goto out; - *id = ct->id; - - memset(&ct->counters, 0, sizeof(ct->counters)); - } - } -out: - write_unlock_bh(&ip_conntrack_lock); - - DEBUGP("leaving, last bucket=%lu id=%u\n", cb->args[0], *id); - - return skb->len; -} -#endif - static const size_t cta_min_ip[CTA_IP_MAX] = { [CTA_IP_V4_SRC-1] = sizeof(u_int32_t), [CTA_IP_V4_DST-1] = sizeof(u_int32_t), @@ -775,22 +740,14 @@ ctnetlink_get_conntrack(struct sock *ctnl, struct sk_buff *skb, if (msg->nfgen_family != AF_INET) return -EAFNOSUPPORT; - if (NFNL_MSG_TYPE(nlh->nlmsg_type) == - IPCTNL_MSG_CT_GET_CTRZERO) { -#ifdef CONFIG_IP_NF_CT_ACCT - if ((*errp = netlink_dump_start(ctnl, skb, nlh, - ctnetlink_dump_table_w, - ctnetlink_done)) != 0) - return -EINVAL; -#else +#ifndef CONFIG_IP_NF_CT_ACCT + if (NFNL_MSG_TYPE(nlh->nlmsg_type) == IPCTNL_MSG_CT_GET_CTRZERO) return -ENOTSUPP; #endif - } else { - if ((*errp = netlink_dump_start(ctnl, skb, nlh, - ctnetlink_dump_table, - ctnetlink_done)) != 0) + if ((*errp = netlink_dump_start(ctnl, skb, nlh, + ctnetlink_dump_table, + ctnetlink_done)) != 0) return -EINVAL; - } rlen = NLMSG_ALIGN(nlh->nlmsg_len); if (rlen > skb->len) |