From 74d00a8c3849c1340efd713eb94b786e304c201f Mon Sep 17 00:00:00 2001 From: John Crispin Date: Sun, 25 Dec 2016 20:11:34 +0100 Subject: kernel: split patches folder up into backport, pending and hack folders * properly format/comment all patches * merge debloat patches * merge Kconfig patches * merge swconfig patches * merge hotplug patches * drop 200-fix_localversion.patch - upstream * drop 222-arm_zimage_none.patch - unused * drop 252-mv_cesa_depends.patch - no longer required * drop 410-mtd-move-forward-declaration-of-struct-mtd_info.patch - unused * drop 661-fq_codel_keep_dropped_stats.patch - outdated * drop 702-phy_add_aneg_done_function.patch - upstream * drop 840-rtc7301.patch - unused * drop 841-rtc_pt7c4338.patch - upstream * drop 921-use_preinit_as_init.patch - unused * drop spio-gpio-old and gpio-mmc - unused Signed-off-by: John Crispin --- .../pending-4.4/642-bridge_port_isolate.patch | 107 +++++++++++++++++++++ 1 file changed, 107 insertions(+) create mode 100644 target/linux/generic/pending-4.4/642-bridge_port_isolate.patch (limited to 'target/linux/generic/pending-4.4/642-bridge_port_isolate.patch') diff --git a/target/linux/generic/pending-4.4/642-bridge_port_isolate.patch b/target/linux/generic/pending-4.4/642-bridge_port_isolate.patch new file mode 100644 index 0000000000..02dfea4659 --- /dev/null +++ b/target/linux/generic/pending-4.4/642-bridge_port_isolate.patch @@ -0,0 +1,107 @@ +From: Felix Fietkau +Subject: [PATCH] bridge: port isolate + +Isolating individual bridge ports +--- +--- 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_PROXYARP_WIFI BIT(10) ++#define BR_ISOLATE_MODE BIT(11) + + #define BR_DEFAULT_AGEING_TIME (300 * HZ) + +--- a/net/bridge/br_sysfs_if.c ++++ b/net/bridge/br_sysfs_if.c +@@ -173,6 +173,22 @@ BRPORT_ATTR_FLAG(unicast_flood, BR_FLOOD + BRPORT_ATTR_FLAG(proxyarp, BR_PROXYARP); + BRPORT_ATTR_FLAG(proxyarp_wifi, BR_PROXYARP_WIFI); + ++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 int 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) + { +@@ -217,6 +233,7 @@ static const struct brport_attribute *br + #endif + &brport_attr_proxyarp, + &brport_attr_proxyarp_wifi, ++ &brport_attr_isolate_mode, + NULL + }; + +--- a/net/bridge/br_input.c ++++ b/net/bridge/br_input.c +@@ -192,8 +192,8 @@ int br_handle_frame_finish(struct net *n + + unicast = false; + br->dev->stats.multicast++; +- } else if ((dst = __br_fdb_get(br, dest, vid)) && +- dst->is_local) { ++ } else if ((p->flags & BR_ISOLATE_MODE) || ++ ((dst = __br_fdb_get(br, dest, vid)) && 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 +@@ -141,7 +141,7 @@ EXPORT_SYMBOL_GPL(br_deliver); + /* called with rcu_read_lock */ + void br_forward(const struct net_bridge_port *to, struct sk_buff *skb, struct sk_buff *skb0) + { +- if (to && should_deliver(to, skb)) { ++ if (to && should_deliver(to, skb) && !(to->flags & BR_ISOLATE_MODE)) { + if (skb0) + deliver_clone(to, skb, __br_forward); + else +@@ -197,7 +197,7 @@ static void br_flood(struct net_bridge * + struct sk_buff *skb0, + void (*__packet_hook)(const struct net_bridge_port *p, + struct sk_buff *skb), +- bool unicast) ++ bool unicast, bool forward) + { + struct net_bridge_port *p; + struct net_bridge_port *prev; +@@ -205,6 +205,8 @@ 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; + /* Do not flood unicast traffic to ports that turn it off */ + if (unicast && !(p->flags & BR_FLOOD)) + continue; +@@ -239,14 +241,14 @@ out: + /* called with rcu_read_lock */ + void br_flood_deliver(struct net_bridge *br, struct sk_buff *skb, bool unicast) + { +- br_flood(br, skb, NULL, __br_deliver, unicast); ++ br_flood(br, skb, NULL, __br_deliver, unicast, false); + } + + /* called under bridge lock */ + void br_flood_forward(struct net_bridge *br, struct sk_buff *skb, + struct sk_buff *skb2, bool unicast) + { +- br_flood(br, skb, skb2, __br_forward, unicast); ++ br_flood(br, skb, skb2, __br_forward, unicast, true); + } + + #ifdef CONFIG_BRIDGE_IGMP_SNOOPING -- cgit v1.2.3