diff options
| author | Jan Engelhardt <jengelh@medozas.de> | 2008-10-08 13:35:16 +0400 |
|---|---|---|
| committer | Patrick McHardy <kaber@trash.net> | 2008-10-08 13:35:16 +0400 |
| commit | 5365f8022e04310f0276c95e82548da917d514db (patch) | |
| tree | 6a6bb253d83ffe235da2afbe4676d8aa38d57fd1 /net/bridge | |
| parent | f2ff525c8dae57b3cda51d76443f60f764f34202 (diff) | |
| download | linux-5365f8022e04310f0276c95e82548da917d514db.tar.xz | |
netfilter: implement hotdrop for Ebtables
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'net/bridge')
| -rw-r--r-- | net/bridge/netfilter/ebtables.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c index c4f7a2e8ed39..7964d3f03886 100644 --- a/net/bridge/netfilter/ebtables.c +++ b/net/bridge/netfilter/ebtables.c @@ -78,9 +78,10 @@ static inline int ebt_do_watcher (struct ebt_entry_watcher *w, static inline int ebt_do_match (struct ebt_entry_match *m, const struct sk_buff *skb, const struct net_device *in, - const struct net_device *out) + const struct net_device *out, bool *hotdrop) { - return m->u.match->match(skb, in, out, m->u.match, m->data, 0, 0, NULL); + return m->u.match->match(skb, in, out, m->u.match, + m->data, 0, 0, hotdrop); } static inline int ebt_dev_check(char *entry, const struct net_device *device) @@ -156,6 +157,7 @@ unsigned int ebt_do_table (unsigned int hook, struct sk_buff *skb, struct ebt_entries *chaininfo; char *base; struct ebt_table_info *private; + bool hotdrop = false; read_lock_bh(&table->lock); private = table->private; @@ -176,8 +178,13 @@ unsigned int ebt_do_table (unsigned int hook, struct sk_buff *skb, if (ebt_basic_match(point, eth_hdr(skb), in, out)) goto letscontinue; - if (EBT_MATCH_ITERATE(point, ebt_do_match, skb, in, out) != 0) + if (EBT_MATCH_ITERATE(point, ebt_do_match, skb, + in, out, &hotdrop) != 0) goto letscontinue; + if (hotdrop) { + read_unlock_bh(&table->lock); + return NF_DROP; + } /* increase counter */ (*(counter_base + i)).pcnt++; |