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author | Imre Kaloz <kaloz@openwrt.org> | 2015-03-26 09:42:59 +0000 |
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committer | Imre Kaloz <kaloz@openwrt.org> | 2015-03-26 09:42:59 +0000 |
commit | af69bf56b6810419879f1aecad8160697877a8c6 (patch) | |
tree | 3904731ce5bfb9f3c9f44ef4aa3350114ee4a46e /target/linux/generic/patches-3.19/645-bridge_multicast_to_unicast.patch | |
parent | 6c0d6a3cb32b0b366b6c28aa7735f00a44226edd (diff) | |
download | upstream-af69bf56b6810419879f1aecad8160697877a8c6.tar.gz upstream-af69bf56b6810419879f1aecad8160697877a8c6.tar.bz2 upstream-af69bf56b6810419879f1aecad8160697877a8c6.zip |
drop 3.19 support
Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
SVN-Revision: 45002
Diffstat (limited to 'target/linux/generic/patches-3.19/645-bridge_multicast_to_unicast.patch')
-rw-r--r-- | target/linux/generic/patches-3.19/645-bridge_multicast_to_unicast.patch | 378 |
1 files changed, 0 insertions, 378 deletions
diff --git a/target/linux/generic/patches-3.19/645-bridge_multicast_to_unicast.patch b/target/linux/generic/patches-3.19/645-bridge_multicast_to_unicast.patch deleted file mode 100644 index fb5c389ea1..0000000000 --- a/target/linux/generic/patches-3.19/645-bridge_multicast_to_unicast.patch +++ /dev/null @@ -1,378 +0,0 @@ ---- a/include/linux/if_bridge.h -+++ b/include/linux/if_bridge.h -@@ -45,6 +45,7 @@ struct br_ip_list { - #define BR_PROXYARP BIT(8) - #define BR_LEARNING_SYNC BIT(9) - #define BR_ISOLATE_MODE BIT(10) -+#define BR_MULTICAST_TO_UCAST BIT(11) - - extern void brioctl_set(int (*ioctl_hook)(struct net *, unsigned int, void __user *)); - ---- a/net/bridge/br_multicast.c -+++ b/net/bridge/br_multicast.c -@@ -635,7 +635,8 @@ struct net_bridge_port_group *br_multica - struct net_bridge_port *port, - struct br_ip *group, - struct net_bridge_port_group __rcu *next, -- unsigned char state) -+ unsigned char state, -+ const unsigned char *src) - { - struct net_bridge_port_group *p; - -@@ -650,12 +651,33 @@ struct net_bridge_port_group *br_multica - hlist_add_head(&p->mglist, &port->mglist); - setup_timer(&p->timer, br_multicast_port_group_expired, - (unsigned long)p); -+ if ((port->flags & BR_MULTICAST_TO_UCAST) && src) { -+ memcpy(p->eth_addr, src, ETH_ALEN); -+ p->unicast = true; -+ } - return p; - } - -+static bool br_port_group_equal(struct net_bridge_port_group *p, -+ struct net_bridge_port *port, -+ const unsigned char *src) -+{ -+ if (p->port != port) -+ return false; -+ -+ if (!p->unicast) -+ return true; -+ -+ if (!src) -+ return false; -+ -+ return ether_addr_equal(src, p->eth_addr); -+} -+ - static int br_multicast_add_group(struct net_bridge *br, - struct net_bridge_port *port, -- struct br_ip *group) -+ struct br_ip *group, -+ const unsigned char *src) - { - struct net_bridge_mdb_entry *mp; - struct net_bridge_port_group *p; -@@ -682,13 +704,13 @@ static int br_multicast_add_group(struct - for (pp = &mp->ports; - (p = mlock_dereference(*pp, br)) != NULL; - pp = &p->next) { -- if (p->port == port) -+ if (br_port_group_equal(p, port, src)) - goto found; - if ((unsigned long)p->port < (unsigned long)port) - break; - } - -- p = br_multicast_new_port_group(port, group, *pp, MDB_TEMPORARY); -+ p = br_multicast_new_port_group(port, group, *pp, MDB_TEMPORARY, src); - if (unlikely(!p)) - goto err; - rcu_assign_pointer(*pp, p); -@@ -707,7 +729,7 @@ err: - static int br_ip4_multicast_add_group(struct net_bridge *br, - struct net_bridge_port *port, - __be32 group, -- __u16 vid) -+ __u16 vid, const unsigned char *src) - { - struct br_ip br_group; - -@@ -718,14 +740,14 @@ static int br_ip4_multicast_add_group(st - br_group.proto = htons(ETH_P_IP); - br_group.vid = vid; - -- return br_multicast_add_group(br, port, &br_group); -+ return br_multicast_add_group(br, port, &br_group, src); - } - - #if IS_ENABLED(CONFIG_IPV6) - static int br_ip6_multicast_add_group(struct net_bridge *br, - struct net_bridge_port *port, - const struct in6_addr *group, -- __u16 vid) -+ __u16 vid, const unsigned char *src) - { - struct br_ip br_group; - -@@ -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 +990,7 @@ static int br_ip4_multicast_igmp3_report - struct sk_buff *skb, - u16 vid) - { -+ const unsigned char *src = eth_hdr(skb)->h_source; - struct igmpv3_report *ih; - struct igmpv3_grec *grec; - int i; -@@ -1008,7 +1034,7 @@ static int br_ip4_multicast_igmp3_report - continue; - } - -- err = br_ip4_multicast_add_group(br, port, group, vid); -+ err = br_ip4_multicast_add_group(br, port, group, vid, src); - if (err) - break; - } -@@ -1022,6 +1048,7 @@ static int br_ip6_multicast_mld2_report( - struct sk_buff *skb, - u16 vid) - { -+ const unsigned char *src = eth_hdr(skb)->h_source; - struct icmp6hdr *icmp6h; - struct mld2_grec *grec; - int i; -@@ -1070,7 +1097,7 @@ static int br_ip6_multicast_mld2_report( - } - - err = br_ip6_multicast_add_group(br, port, &grec->grec_mca, -- vid); -+ vid, src); - if (!err) - break; - } -@@ -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, -- struct bridge_mcast_own_query *own_query) -+ struct bridge_mcast_own_query *own_query, -+ const unsigned char *src) - { - struct net_bridge_mdb_htable *mdb; - struct net_bridge_mdb_entry *mp; -@@ -1457,7 +1485,7 @@ br_multicast_leave_group(struct net_brid - for (pp = &mp->ports; - (p = mlock_dereference(*pp, br)) != NULL; - pp = &p->next) { -- if (p->port != port) -+ if (!br_port_group_equal(p, port, src)) - continue; - - rcu_assign_pointer(*pp, p->next); -@@ -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)) { -- if (p->port != port) -+ if (!br_port_group_equal(p, port, src)) - continue; - - if (!hlist_unhashed(&p->mglist) && -@@ -1509,8 +1537,8 @@ out: - - static void br_ip4_multicast_leave_group(struct net_bridge *br, - struct net_bridge_port *port, -- __be32 group, -- __u16 vid) -+ __be32 group, __u16 vid, -+ const unsigned char *src) - { - struct br_ip br_group; - struct bridge_mcast_own_query *own_query; -@@ -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, -- own_query); -+ own_query, src); - } - - #if IS_ENABLED(CONFIG_IPV6) - static void br_ip6_multicast_leave_group(struct net_bridge *br, - struct net_bridge_port *port, - const struct in6_addr *group, -- __u16 vid) -+ __u16 vid, const unsigned char *src) - { - struct br_ip br_group; - struct bridge_mcast_own_query *own_query; -@@ -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, -- own_query); -+ own_query, src); - } - #endif - -@@ -1556,6 +1584,7 @@ static int br_multicast_ipv4_rcv(struct - struct sk_buff *skb, - u16 vid) - { -+ const unsigned char *src = eth_hdr(skb)->h_source; - struct sk_buff *skb2 = skb; - const struct iphdr *iph; - struct igmphdr *ih; -@@ -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; -- err = br_ip4_multicast_add_group(br, port, ih->group, vid); -+ err = br_ip4_multicast_add_group(br, port, ih->group, vid, src); - break; - case IGMPV3_HOST_MEMBERSHIP_REPORT: - err = br_ip4_multicast_igmp3_report(br, port, skb2, vid); -@@ -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: -- br_ip4_multicast_leave_group(br, port, ih->group, vid); -+ br_ip4_multicast_leave_group(br, port, ih->group, vid, src); - break; - } - -@@ -1656,6 +1685,7 @@ static int br_multicast_ipv6_rcv(struct - struct sk_buff *skb, - u16 vid) - { -+ const unsigned char *src = eth_hdr(skb)->h_source; - struct sk_buff *skb2; - const struct ipv6hdr *ip6h; - u8 icmp6_type; -@@ -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; -- err = br_ip6_multicast_add_group(br, port, &mld->mld_mca, vid); -+ err = br_ip6_multicast_add_group(br, port, &mld->mld_mca, vid, -+ src); - break; - } - case ICMPV6_MLD2_REPORT: -@@ -1782,7 +1813,7 @@ static int br_multicast_ipv6_rcv(struct - goto out; - } - mld = (struct mld_msg *)skb_transport_header(skb2); -- br_ip6_multicast_leave_group(br, port, &mld->mld_mca, vid); -+ br_ip6_multicast_leave_group(br, port, &mld->mld_mca, vid, src); - } - } - ---- a/net/bridge/br_private.h -+++ b/net/bridge/br_private.h -@@ -113,6 +113,9 @@ struct net_bridge_port_group { - struct timer_list timer; - struct br_ip addr; - unsigned char state; -+ -+ unsigned char eth_addr[ETH_ALEN]; -+ bool unicast; - }; - - struct net_bridge_mdb_entry -@@ -476,7 +479,8 @@ void br_multicast_free_pg(struct rcu_hea - struct net_bridge_port_group * - br_multicast_new_port_group(struct net_bridge_port *port, struct br_ip *group, - struct net_bridge_port_group __rcu *next, -- unsigned char state); -+ unsigned char state, -+ const unsigned char *src); - void br_mdb_init(void); - void br_mdb_uninit(void); - void br_mdb_notify(struct net_device *dev, struct net_bridge_port *port, ---- a/net/bridge/br_mdb.c -+++ b/net/bridge/br_mdb.c -@@ -342,7 +342,7 @@ static int br_mdb_add_group(struct net_b - break; - } - -- p = br_multicast_new_port_group(port, group, *pp, state); -+ p = br_multicast_new_port_group(port, group, *pp, state, NULL); - if (unlikely(!p)) - return -ENOMEM; - rcu_assign_pointer(*pp, p); ---- a/net/bridge/br_forward.c -+++ b/net/bridge/br_forward.c -@@ -168,6 +168,29 @@ out: - return p; - } - -+static struct net_bridge_port *maybe_deliver_addr( -+ struct net_bridge_port *prev, struct net_bridge_port *p, -+ struct sk_buff *skb, const unsigned char *addr, -+ void (*__packet_hook)(const struct net_bridge_port *p, -+ struct sk_buff *skb)) -+{ -+ struct net_device *dev = BR_INPUT_SKB_CB(skb)->brdev; -+ -+ if (!should_deliver(p, skb)) -+ return prev; -+ -+ skb = skb_copy(skb, GFP_ATOMIC); -+ if (!skb) { -+ dev->stats.tx_dropped++; -+ return prev; -+ } -+ -+ memcpy(eth_hdr(skb)->h_dest, addr, ETH_ALEN); -+ __packet_hook(p, skb); -+ -+ return prev; -+} -+ - /* called under bridge lock */ - static void br_flood(struct net_bridge *br, struct sk_buff *skb, - struct sk_buff *skb0, -@@ -237,6 +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; -+ const unsigned char *addr; - - rp = rcu_dereference(hlist_first_rcu(&br->router_list)); - p = mdst ? rcu_dereference(mdst->ports) : NULL; -@@ -247,10 +271,19 @@ static void br_multicast_flood(struct ne - rport = rp ? hlist_entry(rp, struct net_bridge_port, rlist) : - NULL; - -- port = (unsigned long)lport > (unsigned long)rport ? -- lport : rport; -- -- prev = maybe_deliver(prev, port, skb, __packet_hook); -+ if ((unsigned long)lport > (unsigned long)rport) { -+ port = lport; -+ addr = p->unicast ? p->eth_addr : NULL; -+ } else { -+ port = rport; -+ addr = NULL; -+ } -+ -+ if (addr) -+ prev = maybe_deliver_addr(prev, port, skb, addr, -+ __packet_hook); -+ else -+ prev = maybe_deliver(prev, port, skb, __packet_hook); - if (IS_ERR(prev)) - goto out; - ---- a/net/bridge/br_sysfs_if.c -+++ b/net/bridge/br_sysfs_if.c -@@ -203,6 +203,7 @@ static BRPORT_ATTR(multicast_router, S_I - store_multicast_router); - - BRPORT_ATTR_FLAG(multicast_fast_leave, BR_MULTICAST_FAST_LEAVE); -+BRPORT_ATTR_FLAG(multicast_to_unicast, BR_MULTICAST_TO_UCAST); - #endif - - static const struct brport_attribute *brport_attrs[] = { -@@ -229,6 +230,7 @@ static const struct brport_attribute *br - #ifdef CONFIG_BRIDGE_IGMP_SNOOPING - &brport_attr_multicast_router, - &brport_attr_multicast_fast_leave, -+ &brport_attr_multicast_to_unicast, - #endif - &brport_attr_proxyarp, - &brport_attr_isolate_mode, |