From 89d061a4ba07dff5b2dae55114fe15d40f8baa2d Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Wed, 17 Dec 2014 12:27:14 +0000 Subject: [PATCH] kernel: disable multicast-to-unicast translation for ipv6 neighbor solicitation (#17625) Signed-off-by: Felix Fietkau git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43736 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../645-bridge_multicast_to_unicast.patch | 37 ++++++++++--------- .../645-bridge_multicast_to_unicast.patch | 37 ++++++++++--------- .../645-bridge_multicast_to_unicast.patch | 37 ++++++++++--------- 3 files changed, 60 insertions(+), 51 deletions(-) diff --git a/target/linux/generic/patches-3.10/645-bridge_multicast_to_unicast.patch b/target/linux/generic/patches-3.10/645-bridge_multicast_to_unicast.patch index 9ee6b01df0..283157ac97 100644 --- a/target/linux/generic/patches-3.10/645-bridge_multicast_to_unicast.patch +++ b/target/linux/generic/patches-3.10/645-bridge_multicast_to_unicast.patch @@ -87,16 +87,19 @@ { struct br_ip br_group; -@@ -735,7 +757,7 @@ static int br_ip6_multicast_add_group(st +@@ -735,7 +757,10 @@ static int br_ip6_multicast_add_group(st br_group.proto = htons(ETH_P_IPV6); br_group.vid = vid; - return br_multicast_add_group(br, port, &br_group); ++ if (ipv6_addr_is_solict_mult(group)) ++ src = NULL; ++ + return br_multicast_add_group(br, port, &br_group, src); } #endif -@@ -949,6 +971,7 @@ static int br_ip4_multicast_igmp3_report +@@ -949,6 +974,7 @@ static int br_ip4_multicast_igmp3_report struct net_bridge_port *port, struct sk_buff *skb) { @@ -104,7 +107,7 @@ struct igmpv3_report *ih; struct igmpv3_grec *grec; int i; -@@ -994,7 +1017,7 @@ static int br_ip4_multicast_igmp3_report +@@ -994,7 +1020,7 @@ static int br_ip4_multicast_igmp3_report continue; } @@ -113,7 +116,7 @@ if (err) break; } -@@ -1007,6 +1030,7 @@ static int br_ip6_multicast_mld2_report( +@@ -1007,6 +1033,7 @@ static int br_ip6_multicast_mld2_report( struct net_bridge_port *port, struct sk_buff *skb) { @@ -121,7 +124,7 @@ struct icmp6hdr *icmp6h; struct mld2_grec *grec; int i; -@@ -1057,7 +1081,7 @@ static int br_ip6_multicast_mld2_report( +@@ -1057,7 +1084,7 @@ static int br_ip6_multicast_mld2_report( } err = br_ip6_multicast_add_group(br, port, &grec->grec_mca, @@ -130,7 +133,7 @@ if (!err) break; } -@@ -1302,7 +1326,8 @@ static void br_multicast_leave_group(str +@@ -1302,7 +1329,8 @@ static void br_multicast_leave_group(str struct net_bridge_port *port, struct br_ip *group, struct bridge_mcast_querier *querier, @@ -140,7 +143,7 @@ { struct net_bridge_mdb_htable *mdb; struct net_bridge_mdb_entry *mp; -@@ -1352,7 +1377,7 @@ static void br_multicast_leave_group(str +@@ -1352,7 +1380,7 @@ static void br_multicast_leave_group(str for (pp = &mp->ports; (p = mlock_dereference(*pp, br)) != NULL; pp = &p->next) { @@ -149,7 +152,7 @@ continue; rcu_assign_pointer(*pp, p->next); -@@ -1386,7 +1411,7 @@ static void br_multicast_leave_group(str +@@ -1386,7 +1414,7 @@ static void br_multicast_leave_group(str for (p = mlock_dereference(mp->ports, br); p != NULL; p = mlock_dereference(p->next, br)) { @@ -158,7 +161,7 @@ continue; if (!hlist_unhashed(&p->mglist) && -@@ -1404,8 +1429,8 @@ out: +@@ -1404,8 +1432,8 @@ out: static void br_ip4_multicast_leave_group(struct net_bridge *br, struct net_bridge_port *port, @@ -169,7 +172,7 @@ { struct br_ip br_group; struct bridge_mcast_query *query = port ? &port->ip4_query : -@@ -1418,14 +1443,15 @@ static void br_ip4_multicast_leave_group +@@ -1418,14 +1446,15 @@ static void br_ip4_multicast_leave_group br_group.proto = htons(ETH_P_IP); br_group.vid = vid; @@ -187,7 +190,7 @@ { struct br_ip br_group; struct bridge_mcast_query *query = port ? &port->ip6_query : -@@ -1439,7 +1465,8 @@ static void br_ip6_multicast_leave_group +@@ -1439,7 +1468,8 @@ static void br_ip6_multicast_leave_group br_group.proto = htons(ETH_P_IPV6); br_group.vid = vid; @@ -197,7 +200,7 @@ } #endif -@@ -1447,6 +1474,7 @@ static int br_multicast_ipv4_rcv(struct +@@ -1447,6 +1477,7 @@ static int br_multicast_ipv4_rcv(struct struct net_bridge_port *port, struct sk_buff *skb) { @@ -205,7 +208,7 @@ struct sk_buff *skb2 = skb; const struct iphdr *iph; struct igmphdr *ih; -@@ -1522,7 +1550,7 @@ static int br_multicast_ipv4_rcv(struct +@@ -1522,7 +1553,7 @@ 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; @@ -214,7 +217,7 @@ break; case IGMPV3_HOST_MEMBERSHIP_REPORT: err = br_ip4_multicast_igmp3_report(br, port, skb2); -@@ -1531,7 +1559,7 @@ static int br_multicast_ipv4_rcv(struct +@@ -1531,7 +1562,7 @@ static int br_multicast_ipv4_rcv(struct err = br_ip4_multicast_query(br, port, skb2); break; case IGMP_HOST_LEAVE_MESSAGE: @@ -223,7 +226,7 @@ break; } -@@ -1548,6 +1576,7 @@ static int br_multicast_ipv6_rcv(struct +@@ -1548,6 +1579,7 @@ static int br_multicast_ipv6_rcv(struct struct net_bridge_port *port, struct sk_buff *skb) { @@ -231,7 +234,7 @@ struct sk_buff *skb2; const struct ipv6hdr *ip6h; u8 icmp6_type; -@@ -1659,7 +1688,8 @@ static int br_multicast_ipv6_rcv(struct +@@ -1659,7 +1691,8 @@ static int br_multicast_ipv6_rcv(struct } mld = (struct mld_msg *)skb_transport_header(skb2); BR_INPUT_SKB_CB(skb)->mrouters_only = 1; @@ -241,7 +244,7 @@ break; } case ICMPV6_MLD2_REPORT: -@@ -1676,7 +1706,7 @@ static int br_multicast_ipv6_rcv(struct +@@ -1676,7 +1709,7 @@ static int br_multicast_ipv6_rcv(struct goto out; } mld = (struct mld_msg *)skb_transport_header(skb2); diff --git a/target/linux/generic/patches-3.14/645-bridge_multicast_to_unicast.patch b/target/linux/generic/patches-3.14/645-bridge_multicast_to_unicast.patch index 27cfe4e14c..a9cd86170a 100644 --- a/target/linux/generic/patches-3.14/645-bridge_multicast_to_unicast.patch +++ b/target/linux/generic/patches-3.14/645-bridge_multicast_to_unicast.patch @@ -87,16 +87,19 @@ { struct br_ip br_group; -@@ -735,7 +757,7 @@ static int br_ip6_multicast_add_group(st +@@ -735,7 +757,10 @@ static int br_ip6_multicast_add_group(st br_group.proto = htons(ETH_P_IPV6); br_group.vid = vid; - return br_multicast_add_group(br, port, &br_group); ++ if (ipv6_addr_is_solict_mult(group)) ++ src = NULL; ++ + return br_multicast_add_group(br, port, &br_group, src); } #endif -@@ -950,6 +972,7 @@ static int br_ip4_multicast_igmp3_report +@@ -950,6 +975,7 @@ static int br_ip4_multicast_igmp3_report struct sk_buff *skb, u16 vid) { @@ -104,7 +107,7 @@ struct igmpv3_report *ih; struct igmpv3_grec *grec; int i; -@@ -993,7 +1016,7 @@ static int br_ip4_multicast_igmp3_report +@@ -993,7 +1019,7 @@ static int br_ip4_multicast_igmp3_report continue; } @@ -113,7 +116,7 @@ if (err) break; } -@@ -1007,6 +1030,7 @@ static int br_ip6_multicast_mld2_report( +@@ -1007,6 +1033,7 @@ static int br_ip6_multicast_mld2_report( struct sk_buff *skb, u16 vid) { @@ -121,7 +124,7 @@ struct icmp6hdr *icmp6h; struct mld2_grec *grec; int i; -@@ -1055,7 +1079,7 @@ static int br_ip6_multicast_mld2_report( +@@ -1055,7 +1082,7 @@ static int br_ip6_multicast_mld2_report( } err = br_ip6_multicast_add_group(br, port, &grec->grec_mca, @@ -130,7 +133,7 @@ if (!err) break; } -@@ -1319,7 +1343,8 @@ static void br_multicast_leave_group(str +@@ -1319,7 +1346,8 @@ static void br_multicast_leave_group(str struct net_bridge_port *port, struct br_ip *group, struct bridge_mcast_querier *querier, @@ -140,7 +143,7 @@ { struct net_bridge_mdb_htable *mdb; struct net_bridge_mdb_entry *mp; -@@ -1369,7 +1394,7 @@ static void br_multicast_leave_group(str +@@ -1369,7 +1397,7 @@ static void br_multicast_leave_group(str for (pp = &mp->ports; (p = mlock_dereference(*pp, br)) != NULL; pp = &p->next) { @@ -149,7 +152,7 @@ continue; rcu_assign_pointer(*pp, p->next); -@@ -1403,7 +1428,7 @@ static void br_multicast_leave_group(str +@@ -1403,7 +1431,7 @@ static void br_multicast_leave_group(str for (p = mlock_dereference(mp->ports, br); p != NULL; p = mlock_dereference(p->next, br)) { @@ -158,7 +161,7 @@ continue; if (!hlist_unhashed(&p->mglist) && -@@ -1421,8 +1446,8 @@ out: +@@ -1421,8 +1449,8 @@ out: static void br_ip4_multicast_leave_group(struct net_bridge *br, struct net_bridge_port *port, @@ -169,7 +172,7 @@ { struct br_ip br_group; struct bridge_mcast_query *query = port ? &port->ip4_query : -@@ -1435,14 +1460,15 @@ static void br_ip4_multicast_leave_group +@@ -1435,14 +1463,15 @@ static void br_ip4_multicast_leave_group br_group.proto = htons(ETH_P_IP); br_group.vid = vid; @@ -187,7 +190,7 @@ { struct br_ip br_group; struct bridge_mcast_query *query = port ? &port->ip6_query : -@@ -1456,7 +1482,8 @@ static void br_ip6_multicast_leave_group +@@ -1456,7 +1485,8 @@ static void br_ip6_multicast_leave_group br_group.proto = htons(ETH_P_IPV6); br_group.vid = vid; @@ -197,7 +200,7 @@ } #endif -@@ -1465,6 +1492,7 @@ static int br_multicast_ipv4_rcv(struct +@@ -1465,6 +1495,7 @@ static int br_multicast_ipv4_rcv(struct struct sk_buff *skb, u16 vid) { @@ -205,7 +208,7 @@ struct sk_buff *skb2 = skb; const struct iphdr *iph; struct igmphdr *ih; -@@ -1538,7 +1566,7 @@ static int br_multicast_ipv4_rcv(struct +@@ -1538,7 +1569,7 @@ 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; @@ -214,7 +217,7 @@ break; case IGMPV3_HOST_MEMBERSHIP_REPORT: err = br_ip4_multicast_igmp3_report(br, port, skb2, vid); -@@ -1547,7 +1575,7 @@ static int br_multicast_ipv4_rcv(struct +@@ -1547,7 +1578,7 @@ static int br_multicast_ipv4_rcv(struct err = br_ip4_multicast_query(br, port, skb2, vid); break; case IGMP_HOST_LEAVE_MESSAGE: @@ -223,7 +226,7 @@ break; } -@@ -1565,6 +1593,7 @@ static int br_multicast_ipv6_rcv(struct +@@ -1565,6 +1596,7 @@ static int br_multicast_ipv6_rcv(struct struct sk_buff *skb, u16 vid) { @@ -231,7 +234,7 @@ struct sk_buff *skb2; const struct ipv6hdr *ip6h; u8 icmp6_type; -@@ -1674,7 +1703,8 @@ static int br_multicast_ipv6_rcv(struct +@@ -1674,7 +1706,8 @@ static int br_multicast_ipv6_rcv(struct } mld = (struct mld_msg *)skb_transport_header(skb2); BR_INPUT_SKB_CB(skb)->mrouters_only = 1; @@ -241,7 +244,7 @@ break; } case ICMPV6_MLD2_REPORT: -@@ -1691,7 +1721,7 @@ static int br_multicast_ipv6_rcv(struct +@@ -1691,7 +1724,7 @@ static int br_multicast_ipv6_rcv(struct goto out; } mld = (struct mld_msg *)skb_transport_header(skb2); 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 8d0da3c6e5..d870dc5d5f 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 @@ -87,16 +87,19 @@ { struct br_ip br_group; -@@ -736,7 +758,7 @@ static int br_ip6_multicast_add_group(st +@@ -736,7 +758,10 @@ static int br_ip6_multicast_add_group(st br_group.proto = htons(ETH_P_IPV6); br_group.vid = vid; - return br_multicast_add_group(br, port, &br_group); ++ if (ipv6_addr_is_solict_mult(group)) ++ src = NULL; ++ + return br_multicast_add_group(br, port, &br_group, src); } #endif -@@ -965,6 +987,7 @@ static int br_ip4_multicast_igmp3_report +@@ -965,6 +990,7 @@ static int br_ip4_multicast_igmp3_report struct sk_buff *skb, u16 vid) { @@ -104,7 +107,7 @@ struct igmpv3_report *ih; struct igmpv3_grec *grec; int i; -@@ -1008,7 +1031,7 @@ static int br_ip4_multicast_igmp3_report +@@ -1008,7 +1034,7 @@ static int br_ip4_multicast_igmp3_report continue; } @@ -113,7 +116,7 @@ if (err) break; } -@@ -1022,6 +1045,7 @@ static int br_ip6_multicast_mld2_report( +@@ -1022,6 +1048,7 @@ static int br_ip6_multicast_mld2_report( struct sk_buff *skb, u16 vid) { @@ -121,7 +124,7 @@ struct icmp6hdr *icmp6h; struct mld2_grec *grec; int i; -@@ -1070,7 +1094,7 @@ static int br_ip6_multicast_mld2_report( +@@ -1070,7 +1097,7 @@ static int br_ip6_multicast_mld2_report( } err = br_ip6_multicast_add_group(br, port, &grec->grec_mca, @@ -130,7 +133,7 @@ if (!err) break; } -@@ -1407,7 +1431,8 @@ br_multicast_leave_group(struct net_brid +@@ -1407,7 +1434,8 @@ br_multicast_leave_group(struct net_brid struct net_bridge_port *port, struct br_ip *group, struct bridge_mcast_other_query *other_query, @@ -140,7 +143,7 @@ { struct net_bridge_mdb_htable *mdb; struct net_bridge_mdb_entry *mp; -@@ -1457,7 +1482,7 @@ br_multicast_leave_group(struct net_brid +@@ -1457,7 +1485,7 @@ br_multicast_leave_group(struct net_brid for (pp = &mp->ports; (p = mlock_dereference(*pp, br)) != NULL; pp = &p->next) { @@ -149,7 +152,7 @@ continue; rcu_assign_pointer(*pp, p->next); -@@ -1491,7 +1516,7 @@ br_multicast_leave_group(struct net_brid +@@ -1491,7 +1519,7 @@ br_multicast_leave_group(struct net_brid for (p = mlock_dereference(mp->ports, br); p != NULL; p = mlock_dereference(p->next, br)) { @@ -158,7 +161,7 @@ continue; if (!hlist_unhashed(&p->mglist) && -@@ -1509,8 +1534,8 @@ out: +@@ -1509,8 +1537,8 @@ out: static void br_ip4_multicast_leave_group(struct net_bridge *br, struct net_bridge_port *port, @@ -169,7 +172,7 @@ { struct br_ip br_group; struct bridge_mcast_own_query *own_query; -@@ -1525,14 +1550,14 @@ static void br_ip4_multicast_leave_group +@@ -1525,14 +1553,14 @@ static void br_ip4_multicast_leave_group br_group.vid = vid; br_multicast_leave_group(br, port, &br_group, &br->ip4_other_query, @@ -186,7 +189,7 @@ { struct br_ip br_group; struct bridge_mcast_own_query *own_query; -@@ -1547,7 +1572,7 @@ static void br_ip6_multicast_leave_group +@@ -1547,7 +1575,7 @@ static void br_ip6_multicast_leave_group br_group.vid = vid; br_multicast_leave_group(br, port, &br_group, &br->ip6_other_query, @@ -195,7 +198,7 @@ } #endif -@@ -1556,6 +1581,7 @@ static int br_multicast_ipv4_rcv(struct +@@ -1556,6 +1584,7 @@ static int br_multicast_ipv4_rcv(struct struct sk_buff *skb, u16 vid) { @@ -203,7 +206,7 @@ struct sk_buff *skb2 = skb; const struct iphdr *iph; struct igmphdr *ih; -@@ -1629,7 +1655,7 @@ static int br_multicast_ipv4_rcv(struct +@@ -1629,7 +1658,7 @@ 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; @@ -212,7 +215,7 @@ break; case IGMPV3_HOST_MEMBERSHIP_REPORT: err = br_ip4_multicast_igmp3_report(br, port, skb2, vid); -@@ -1638,7 +1664,7 @@ static int br_multicast_ipv4_rcv(struct +@@ -1638,7 +1667,7 @@ static int br_multicast_ipv4_rcv(struct err = br_ip4_multicast_query(br, port, skb2, vid); break; case IGMP_HOST_LEAVE_MESSAGE: @@ -221,7 +224,7 @@ break; } -@@ -1656,6 +1682,7 @@ static int br_multicast_ipv6_rcv(struct +@@ -1656,6 +1685,7 @@ static int br_multicast_ipv6_rcv(struct struct sk_buff *skb, u16 vid) { @@ -229,7 +232,7 @@ struct sk_buff *skb2; const struct ipv6hdr *ip6h; u8 icmp6_type; -@@ -1765,7 +1792,8 @@ static int br_multicast_ipv6_rcv(struct +@@ -1765,7 +1795,8 @@ static int br_multicast_ipv6_rcv(struct } mld = (struct mld_msg *)skb_transport_header(skb2); BR_INPUT_SKB_CB(skb)->mrouters_only = 1; @@ -239,7 +242,7 @@ break; } case ICMPV6_MLD2_REPORT: -@@ -1782,7 +1810,7 @@ static int br_multicast_ipv6_rcv(struct +@@ -1782,7 +1813,7 @@ static int br_multicast_ipv6_rcv(struct goto out; } mld = (struct mld_msg *)skb_transport_header(skb2);