diff options
Diffstat (limited to 'net/bridge')
-rw-r--r-- | net/bridge/br_device.c | 4 | ||||
-rw-r--r-- | net/bridge/br_input.c | 6 | ||||
-rw-r--r-- | net/bridge/br_multicast.c | 5 | ||||
-rw-r--r-- | net/bridge/br_netfilter.c | 16 | ||||
-rw-r--r-- | net/bridge/br_netlink.c | 15 |
5 files changed, 33 insertions, 13 deletions
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c index c188c803c09..32b8f9f7f79 100644 --- a/net/bridge/br_device.c +++ b/net/bridge/br_device.c @@ -49,7 +49,9 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev) skb_pull(skb, ETH_HLEN); rcu_read_lock(); - if (is_multicast_ether_addr(dest)) { + if (is_broadcast_ether_addr(dest)) + br_flood_deliver(br, skb); + else if (is_multicast_ether_addr(dest)) { if (unlikely(netpoll_tx_running(dev))) { br_flood_deliver(br, skb); goto out; diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c index f3ac1e858ee..f06ee39c73f 100644 --- a/net/bridge/br_input.c +++ b/net/bridge/br_input.c @@ -60,7 +60,7 @@ int br_handle_frame_finish(struct sk_buff *skb) br = p->br; br_fdb_update(br, p, eth_hdr(skb)->h_source); - if (is_multicast_ether_addr(dest) && + if (!is_broadcast_ether_addr(dest) && is_multicast_ether_addr(dest) && br_multicast_rcv(br, p, skb)) goto drop; @@ -77,7 +77,9 @@ int br_handle_frame_finish(struct sk_buff *skb) dst = NULL; - if (is_multicast_ether_addr(dest)) { + if (is_broadcast_ether_addr(dest)) + skb2 = skb; + else if (is_multicast_ether_addr(dest)) { mdst = br_mdb_get(br, skb); if (mdst || BR_INPUT_SKB_CB_MROUTERS_ONLY(skb)) { if ((mdst && mdst->mglist) || diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c index 29b9812c8da..2d85ca7111d 100644 --- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@ -1379,8 +1379,11 @@ static int br_multicast_ipv4_rcv(struct net_bridge *br, if (unlikely(ip_fast_csum((u8 *)iph, iph->ihl))) return -EINVAL; - if (iph->protocol != IPPROTO_IGMP) + if (iph->protocol != IPPROTO_IGMP) { + if ((iph->daddr & IGMP_LOCAL_GROUP_MASK) != IGMP_LOCAL_GROUP) + BR_INPUT_SKB_CB(skb)->mrouters_only = 1; return 0; + } len = ntohs(iph->tot_len); if (skb->len < len || len < ip_hdrlen(skb)) diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c index 56149ec36d7..d6ec3720c77 100644 --- a/net/bridge/br_netfilter.c +++ b/net/bridge/br_netfilter.c @@ -109,11 +109,17 @@ static u32 *fake_cow_metrics(struct dst_entry *dst, unsigned long old) return NULL; } +static struct neighbour *fake_neigh_lookup(const struct dst_entry *dst, const void *daddr) +{ + return NULL; +} + static struct dst_ops fake_dst_ops = { .family = AF_INET, .protocol = cpu_to_be16(ETH_P_IP), .update_pmtu = fake_update_pmtu, .cow_metrics = fake_cow_metrics, + .neigh_lookup = fake_neigh_lookup, }; /* @@ -343,24 +349,26 @@ static int br_nf_pre_routing_finish_ipv6(struct sk_buff *skb) static int br_nf_pre_routing_finish_bridge(struct sk_buff *skb) { struct nf_bridge_info *nf_bridge = skb->nf_bridge; + struct neighbour *neigh; struct dst_entry *dst; skb->dev = bridge_parent(skb->dev); if (!skb->dev) goto free_skb; dst = skb_dst(skb); - if (dst->hh) { - neigh_hh_bridge(dst->hh, skb); + neigh = dst_get_neighbour(dst); + if (neigh->hh.hh_len) { + neigh_hh_bridge(&neigh->hh, skb); skb->dev = nf_bridge->physindev; return br_handle_frame_finish(skb); - } else if (dst->neighbour) { + } else { /* the neighbour function below overwrites the complete * MAC header, so we save the Ethernet source address and * protocol number. */ skb_copy_from_linear_data_offset(skb, -(ETH_HLEN-ETH_ALEN), skb->nf_bridge->data, ETH_HLEN-ETH_ALEN); /* tell br_dev_xmit to continue with forwarding */ nf_bridge->mask |= BRNF_BRIDGED_DNAT; - return dst->neighbour->output(skb); + return neigh->output(neigh, skb); } free_skb: kfree_skb(skb); diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c index ffb0dc4cc0e..6814083a92f 100644 --- a/net/bridge/br_netlink.c +++ b/net/bridge/br_netlink.c @@ -218,19 +218,24 @@ int __init br_netlink_init(void) if (err < 0) goto err1; - err = __rtnl_register(PF_BRIDGE, RTM_GETLINK, NULL, br_dump_ifinfo); + err = __rtnl_register(PF_BRIDGE, RTM_GETLINK, NULL, + br_dump_ifinfo, NULL); if (err) goto err2; - err = __rtnl_register(PF_BRIDGE, RTM_SETLINK, br_rtm_setlink, NULL); + err = __rtnl_register(PF_BRIDGE, RTM_SETLINK, + br_rtm_setlink, NULL, NULL); if (err) goto err3; - err = __rtnl_register(PF_BRIDGE, RTM_NEWNEIGH, br_fdb_add, NULL); + err = __rtnl_register(PF_BRIDGE, RTM_NEWNEIGH, + br_fdb_add, NULL, NULL); if (err) goto err3; - err = __rtnl_register(PF_BRIDGE, RTM_DELNEIGH, br_fdb_delete, NULL); + err = __rtnl_register(PF_BRIDGE, RTM_DELNEIGH, + br_fdb_delete, NULL, NULL); if (err) goto err3; - err = __rtnl_register(PF_BRIDGE, RTM_GETNEIGH, NULL, br_fdb_dump); + err = __rtnl_register(PF_BRIDGE, RTM_GETNEIGH, + NULL, br_fdb_dump, NULL); if (err) goto err3; |