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* drop 661-fq_codel_keep_dropped_stats.patch - outdated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 <john@phrozen.org>

1 files changed, 84 insertions, 0 deletions

diff --git a/target/linux/generic/hack-4.9/641-bridge_port_isolate.patch b/target/linux/generic/hack-4.9/641-bridge_port_isolate.patch
new file mode 100644
index 0000000000..637550fa28
--- /dev/null
+++ b/target/linux/generic/hack-4.9/641-bridge_port_isolate.patch
@@ -0,0 +1,84 @@
+From e988390850731aa1697ed09d47b0932fac1af175 Mon Sep 17 00:00:00 2001
+From: Felix Fietkau <nbd@nbd.name>
+Date: Fri, 7 Jul 2017 17:20:03 +0200
+Subject: bridge: port isolate
+
+Isolating individual bridge ports
+
+Signed-off-by: Felix Fietkau <nbd@nbd.name>
+---
+ include/linux/if_bridge.h | 1 +
+ net/bridge/br_forward.c   | 5 +++++
+ net/bridge/br_input.c     | 3 +++
+ net/bridge/br_sysfs_if.c  | 2 ++
+ 4 files changed, 11 insertions(+)
+
+Index: linux-4.9.34/include/linux/if_bridge.h
+===================================================================
+--- linux-4.9.34.orig/include/linux/if_bridge.h
++++ linux-4.9.34/include/linux/if_bridge.h
+@@ -47,6 +47,7 @@ struct br_ip_list {
+ #define BR_PROXYARP_WIFI	BIT(10)
+ #define BR_MCAST_FLOOD		BIT(11)
+ #define BR_MULTICAST_TO_UNICAST	BIT(12)
++#define BR_ISOLATE_MODE		BIT(13)
+ 
+ #define BR_DEFAULT_AGEING_TIME	(300 * HZ)
+ 
+Index: linux-4.9.34/net/bridge/br_forward.c
+===================================================================
+--- linux-4.9.34.orig/net/bridge/br_forward.c
++++ linux-4.9.34/net/bridge/br_forward.c
+@@ -141,6 +141,9 @@ static int deliver_clone(const struct ne
+ void br_forward(const struct net_bridge_port *to,
+ 		struct sk_buff *skb, bool local_rcv, bool local_orig)
+ {
++	if (to->flags & BR_ISOLATE_MODE)
++		to = NULL;
++
+ 	if (to && should_deliver(to, skb)) {
+ 		if (local_rcv)
+ 			deliver_clone(to, skb, local_orig);
+@@ -206,6 +209,8 @@ void br_flood(struct net_bridge *br, str
+ 	struct net_bridge_port *p;
+ 
+ 	list_for_each_entry_rcu(p, &br->port_list, list) {
++		if (!local_orig && (p->flags & BR_ISOLATE_MODE))
++			continue;
+ 		/* Do not flood unicast traffic to ports that turn it off */
+ 		if (pkt_type == BR_PKT_UNICAST && !(p->flags & BR_FLOOD))
+ 			continue;
+Index: linux-4.9.34/net/bridge/br_input.c
+===================================================================
+--- linux-4.9.34.orig/net/bridge/br_input.c
++++ linux-4.9.34/net/bridge/br_input.c
+@@ -175,6 +175,9 @@ int br_handle_frame_finish(struct net *n
+ 	if (IS_ENABLED(CONFIG_INET) && skb->protocol == htons(ETH_P_ARP))
+ 		br_do_proxy_arp(skb, br, vid, p);
+ 
++	if (p->flags & BR_ISOLATE_MODE)
++		return br_pass_frame_up(skb);
++
+ 	switch (pkt_type) {
+ 	case BR_PKT_MULTICAST:
+ 		mdst = br_mdb_get(br, skb, vid);
+Index: linux-4.9.34/net/bridge/br_sysfs_if.c
+===================================================================
+--- linux-4.9.34.orig/net/bridge/br_sysfs_if.c
++++ linux-4.9.34/net/bridge/br_sysfs_if.c
+@@ -172,6 +172,7 @@ BRPORT_ATTR_FLAG(unicast_flood, BR_FLOOD
+ BRPORT_ATTR_FLAG(proxyarp, BR_PROXYARP);
+ BRPORT_ATTR_FLAG(proxyarp_wifi, BR_PROXYARP_WIFI);
+ BRPORT_ATTR_FLAG(multicast_flood, BR_MCAST_FLOOD);
++BRPORT_ATTR_FLAG(isolate_mode, BR_ISOLATE_MODE);
+ 
+ #ifdef CONFIG_BRIDGE_IGMP_SNOOPING
+ static ssize_t show_multicast_router(struct net_bridge_port *p, char *buf)
+@@ -220,6 +221,7 @@ static const struct brport_attribute *br
+ 	&brport_attr_proxyarp,
+ 	&brport_attr_proxyarp_wifi,
+ 	&brport_attr_multicast_flood,
++	&brport_attr_isolate_mode,
+ 	NULL
+ };
+