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author | Jonas Gorski <jogo@openwrt.org> | 2012-02-02 08:23:54 +0000 |
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committer | Jonas Gorski <jogo@openwrt.org> | 2012-02-02 08:23:54 +0000 |
commit | eca9950f63ec4491a7bd6138174ac08595184e1b (patch) | |
tree | a21d36b4e93a079ce234258a3a82b97dd82c10bf /target/linux/generic/patches-3.3/642-bridge_port_isolate.patch | |
parent | c336de3d85efb1a1150825870b7cbff4f7a65366 (diff) | |
download | master-31e0f0ae-eca9950f63ec4491a7bd6138174ac08595184e1b.tar.gz master-31e0f0ae-eca9950f63ec4491a7bd6138174ac08595184e1b.tar.bz2 master-31e0f0ae-eca9950f63ec4491a7bd6138174ac08595184e1b.zip |
kernel: add preliminary support for linux 3.3
Based on 3.3-rc2
SVN-Revision: 29986
Diffstat (limited to 'target/linux/generic/patches-3.3/642-bridge_port_isolate.patch')
-rw-r--r-- | target/linux/generic/patches-3.3/642-bridge_port_isolate.patch | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.3/642-bridge_port_isolate.patch b/target/linux/generic/patches-3.3/642-bridge_port_isolate.patch new file mode 100644 index 0000000000..7c467fd62b --- /dev/null +++ b/target/linux/generic/patches-3.3/642-bridge_port_isolate.patch @@ -0,0 +1,103 @@ +--- a/net/bridge/br_private.h ++++ b/net/bridge/br_private.h +@@ -139,6 +139,7 @@ struct net_bridge_port + + unsigned long flags; + #define BR_HAIRPIN_MODE 0x00000001 ++#define BR_ISOLATE_MODE 0x00000002 + + #ifdef CONFIG_BRIDGE_IGMP_SNOOPING + u32 multicast_startup_queries_sent; +--- a/net/bridge/br_sysfs_if.c ++++ b/net/bridge/br_sysfs_if.c +@@ -149,6 +149,22 @@ static int store_hairpin_mode(struct net + static BRPORT_ATTR(hairpin_mode, S_IRUGO | S_IWUSR, + show_hairpin_mode, store_hairpin_mode); + ++static ssize_t show_isolate_mode(struct net_bridge_port *p, char *buf) ++{ ++ int isolate_mode = (p->flags & BR_ISOLATE_MODE) ? 1 : 0; ++ return sprintf(buf, "%d\n", isolate_mode); ++} ++static ssize_t store_isolate_mode(struct net_bridge_port *p, unsigned long v) ++{ ++ if (v) ++ p->flags |= BR_ISOLATE_MODE; ++ else ++ p->flags &= ~BR_ISOLATE_MODE; ++ return 0; ++} ++static BRPORT_ATTR(isolate_mode, S_IRUGO | S_IWUSR, ++ show_isolate_mode, store_isolate_mode); ++ + #ifdef CONFIG_BRIDGE_IGMP_SNOOPING + static ssize_t show_multicast_router(struct net_bridge_port *p, char *buf) + { +@@ -181,6 +197,7 @@ static struct brport_attribute *brport_a + &brport_attr_hold_timer, + &brport_attr_flush, + &brport_attr_hairpin_mode, ++ &brport_attr_isolate_mode, + #ifdef CONFIG_BRIDGE_IGMP_SNOOPING + &brport_attr_multicast_router, + #endif +--- a/net/bridge/br_input.c ++++ b/net/bridge/br_input.c +@@ -98,7 +98,8 @@ int br_handle_frame_finish(struct sk_buf + skb2 = skb; + + br->dev->stats.multicast++; +- } else if ((dst = __br_fdb_get(br, dest)) && dst->is_local) { ++ } else if ((p->flags & BR_ISOLATE_MODE) || ++ ((dst = __br_fdb_get(br, dest)) && dst->is_local)) { + skb2 = skb; + /* Do not forward the packet since it's local. */ + skb = NULL; +--- a/net/bridge/br_forward.c ++++ b/net/bridge/br_forward.c +@@ -109,7 +109,7 @@ void br_deliver(const struct net_bridge_ + /* called with rcu_read_lock */ + void br_forward(const struct net_bridge_port *to, struct sk_buff *skb, struct sk_buff *skb0) + { +- if (should_deliver(to, skb)) { ++ if (should_deliver(to, skb) && !(to->flags & BR_ISOLATE_MODE)) { + if (skb0) + deliver_clone(to, skb, __br_forward); + else +@@ -164,7 +164,8 @@ out: + static void br_flood(struct net_bridge *br, struct sk_buff *skb, + struct sk_buff *skb0, + void (*__packet_hook)(const struct net_bridge_port *p, +- struct sk_buff *skb)) ++ struct sk_buff *skb), ++ bool forward) + { + struct net_bridge_port *p; + struct net_bridge_port *prev; +@@ -172,6 +173,9 @@ static void br_flood(struct net_bridge * + prev = NULL; + + list_for_each_entry_rcu(p, &br->port_list, list) { ++ if (forward && (p->flags & BR_ISOLATE_MODE)) ++ continue; ++ + prev = maybe_deliver(prev, p, skb, __packet_hook); + if (IS_ERR(prev)) + goto out; +@@ -195,14 +199,14 @@ out: + /* called with rcu_read_lock */ + void br_flood_deliver(struct net_bridge *br, struct sk_buff *skb) + { +- br_flood(br, skb, NULL, __br_deliver); ++ br_flood(br, skb, NULL, __br_deliver, false); + } + + /* called under bridge lock */ + void br_flood_forward(struct net_bridge *br, struct sk_buff *skb, + struct sk_buff *skb2) + { +- br_flood(br, skb, skb2, __br_forward); ++ br_flood(br, skb, skb2, __br_forward, true); + } + + #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |