Re: Re: [Ebtables-user] bridge/ebtables interaction...
Stephen Hemminger <[email protected]>
| Newsgroups | gmane.linux.network.bridge.ebtables.devel |
|---|---|
| Message-ID | <[email protected]> |
Wouldn't something like this work:
Index: bridge-2.6/net/bridge/br_input.c
===================================================================
--- bridge-2.6.orig/net/bridge/br_input.c
+++ bridge-2.6/net/bridge/br_input.c
@@ -53,6 +53,11 @@ int br_handle_frame_finish(struct sk_buf
/* insert into forwarding database after filtering to avoid spoofing */
br_fdb_update(p->br, p, eth_hdr(skb)->h_source);
+ if (p->state == BR_STATE_LEARNING) {
+ kfree_skb(skb);
+ goto out;
+ }
+
if (br->dev->flags & IFF_PROMISC) {
struct sk_buff *skb2;
@@ -107,9 +112,6 @@ int br_handle_frame(struct net_bridge_po
if (!is_valid_ether_addr(eth_hdr(skb)->h_source))
goto err;
- if (p->state == BR_STATE_LEARNING)
- br_fdb_update(p->br, p, eth_hdr(skb)->h_source);
-
if (p->br->stp_enabled &&
!memcmp(dest, bridge_ula, 5) &&
!(dest[5] & 0xF0)) {
@@ -118,9 +120,10 @@ int br_handle_frame(struct net_bridge_po
NULL, br_stp_handle_bpdu);
return 1;
}
+ goto err;
}
- else if (p->state == BR_STATE_FORWARDING) {
+ if (p->state == BR_STATE_FORWARDING || p->state == BR_STATE_LEARNING) {
if (br_should_route_hook) {
if (br_should_route_hook(pskb))
return 0;
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