diff options
Diffstat (limited to 'target/linux/generic/patches-3.18/645-bridge_multicast_to_unicast.patch')
| -rw-r--r-- | target/linux/generic/patches-3.18/645-bridge_multicast_to_unicast.patch | 35 |
1 files changed, 20 insertions, 15 deletions
diff --git a/target/linux/generic/patches-3.18/645-bridge_multicast_to_unicast.patch b/target/linux/generic/patches-3.18/645-bridge_multicast_to_unicast.patch index 1e070d9d9c..a40abb5c68 100644 --- a/target/linux/generic/patches-3.18/645-bridge_multicast_to_unicast.patch +++ b/target/linux/generic/patches-3.18/645-bridge_multicast_to_unicast.patch @@ -133,7 +133,7 @@ if (err) break; } -@@ -1407,7 +1433,8 @@ br_multicast_leave_group(struct net_brid +@@ -1406,7 +1432,8 @@ br_multicast_leave_group(struct net_brid struct net_bridge_port *port, struct br_ip *group, struct bridge_mcast_other_query *other_query, @@ -143,7 +143,7 @@ { struct net_bridge_mdb_htable *mdb; struct net_bridge_mdb_entry *mp; -@@ -1457,7 +1484,7 @@ br_multicast_leave_group(struct net_brid +@@ -1456,7 +1483,7 @@ br_multicast_leave_group(struct net_brid for (pp = &mp->ports; (p = mlock_dereference(*pp, br)) != NULL; pp = &p->next) { @@ -152,7 +152,7 @@ continue; rcu_assign_pointer(*pp, p->next); -@@ -1491,7 +1518,7 @@ br_multicast_leave_group(struct net_brid +@@ -1490,7 +1517,7 @@ br_multicast_leave_group(struct net_brid for (p = mlock_dereference(mp->ports, br); p != NULL; p = mlock_dereference(p->next, br)) { @@ -161,7 +161,7 @@ continue; if (!hlist_unhashed(&p->mglist) && -@@ -1509,8 +1536,8 @@ out: +@@ -1508,8 +1535,8 @@ out: static void br_ip4_multicast_leave_group(struct net_bridge *br, struct net_bridge_port *port, @@ -172,7 +172,7 @@ { struct br_ip br_group; struct bridge_mcast_own_query *own_query; -@@ -1525,14 +1552,14 @@ static void br_ip4_multicast_leave_group +@@ -1524,14 +1551,14 @@ static void br_ip4_multicast_leave_group br_group.vid = vid; br_multicast_leave_group(br, port, &br_group, &br->ip4_other_query, @@ -189,7 +189,7 @@ { struct br_ip br_group; struct bridge_mcast_own_query *own_query; -@@ -1547,7 +1574,7 @@ static void br_ip6_multicast_leave_group +@@ -1546,7 +1573,7 @@ static void br_ip6_multicast_leave_group br_group.vid = vid; br_multicast_leave_group(br, port, &br_group, &br->ip6_other_query, @@ -198,7 +198,7 @@ } #endif -@@ -1556,6 +1583,7 @@ static int br_multicast_ipv4_rcv(struct +@@ -1555,6 +1582,7 @@ static int br_multicast_ipv4_rcv(struct struct sk_buff *skb, u16 vid) { @@ -206,7 +206,7 @@ struct sk_buff *skb2 = skb; const struct iphdr *iph; struct igmphdr *ih; -@@ -1629,7 +1657,8 @@ static int br_multicast_ipv4_rcv(struct +@@ -1628,7 +1656,8 @@ static int br_multicast_ipv4_rcv(struct case IGMP_HOST_MEMBERSHIP_REPORT: case IGMPV2_HOST_MEMBERSHIP_REPORT: BR_INPUT_SKB_CB(skb)->mrouters_only = 1; @@ -216,7 +216,7 @@ break; case IGMPV3_HOST_MEMBERSHIP_REPORT: err = br_ip4_multicast_igmp3_report(br, port, skb2, vid); -@@ -1638,7 +1667,8 @@ static int br_multicast_ipv4_rcv(struct +@@ -1637,7 +1666,8 @@ static int br_multicast_ipv4_rcv(struct err = br_ip4_multicast_query(br, port, skb2, vid); break; case IGMP_HOST_LEAVE_MESSAGE: @@ -226,7 +226,7 @@ break; } -@@ -1656,6 +1686,7 @@ static int br_multicast_ipv6_rcv(struct +@@ -1655,6 +1685,7 @@ static int br_multicast_ipv6_rcv(struct struct sk_buff *skb, u16 vid) { @@ -234,7 +234,7 @@ struct sk_buff *skb2; const struct ipv6hdr *ip6h; u8 icmp6_type; -@@ -1765,7 +1796,9 @@ static int br_multicast_ipv6_rcv(struct +@@ -1764,7 +1795,9 @@ static int br_multicast_ipv6_rcv(struct } mld = (struct mld_msg *)skb_transport_header(skb2); BR_INPUT_SKB_CB(skb)->mrouters_only = 1; @@ -245,7 +245,7 @@ break; } case ICMPV6_MLD2_REPORT: -@@ -1782,7 +1815,8 @@ static int br_multicast_ipv6_rcv(struct +@@ -1781,7 +1814,8 @@ static int br_multicast_ipv6_rcv(struct goto out; } mld = (struct mld_msg *)skb_transport_header(skb2); @@ -298,7 +298,7 @@ rcu_assign_pointer(*pp, p); --- a/net/bridge/br_forward.c +++ b/net/bridge/br_forward.c -@@ -168,6 +168,29 @@ out: +@@ -168,6 +168,34 @@ out: return p; } @@ -309,10 +309,15 @@ + struct sk_buff *skb)) +{ + struct net_device *dev = BR_INPUT_SKB_CB(skb)->brdev; ++ const unsigned char *src = eth_hdr(skb)->h_source; + + if (!should_deliver(p, skb)) + return prev; + ++ /* Even with hairpin, no soliloquies - prevent breaking IPv6 DAD */ ++ if (skb->dev == p->dev && ether_addr_equal(src, addr)) ++ return prev; ++ + skb = skb_copy(skb, GFP_ATOMIC); + if (!skb) { + dev->stats.tx_dropped++; @@ -328,7 +333,7 @@ /* called under bridge lock */ static void br_flood(struct net_bridge *br, struct sk_buff *skb, struct sk_buff *skb0, -@@ -232,6 +255,7 @@ static void br_multicast_flood(struct ne +@@ -232,6 +260,7 @@ static void br_multicast_flood(struct ne struct net_bridge_port *prev = NULL; struct net_bridge_port_group *p; struct hlist_node *rp; @@ -336,7 +341,7 @@ rp = rcu_dereference(hlist_first_rcu(&br->router_list)); p = mdst ? rcu_dereference(mdst->ports) : NULL; -@@ -242,10 +266,19 @@ static void br_multicast_flood(struct ne +@@ -242,10 +271,19 @@ static void br_multicast_flood(struct ne rport = rp ? hlist_entry(rp, struct net_bridge_port, rlist) : NULL; |