kernel: Copy patches from kernel 4.14 to 4.19

This just copies the files from the kernel 4.14 specific folders into
the kernel 4.19 specific folder, no changes are done to the files in
this commit.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

1 files changed, 232 insertions, 0 deletions

diff --git a/target/linux/generic/backport-4.19/306-v4.16-netfilter-remove-saveroute-indirection-in-struct-nf_.patch b/target/linux/generic/backport-4.19/306-v4.16-netfilter-remove-saveroute-indirection-in-struct-nf_.patch
new file mode 100644
index 0000000000..75de3c84fe
--- /dev/null
+++ b/target/linux/generic/backport-4.19/306-v4.16-netfilter-remove-saveroute-indirection-in-struct-nf_.patch
@@ -0,0 +1,232 @@
+From: Pablo Neira Ayuso <pablo@netfilter.org>
+Date: Wed, 20 Dec 2017 16:12:55 +0100
+Subject: [PATCH] netfilter: remove saveroute indirection in struct nf_afinfo
+
+This is only used by nf_queue.c and this function comes with no symbol
+dependencies with IPv6, it just refers to structure layouts. Therefore,
+we can replace it by a direct function call from where it belongs.
+
+Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
+---
+
+--- a/include/linux/netfilter.h
++++ b/include/linux/netfilter.h
+@@ -313,8 +313,6 @@ struct nf_afinfo {
+ 	unsigned short	family;
+ 	int		(*route)(struct net *net, struct dst_entry **dst,
+ 				 struct flowi *fl, bool strict);
+-	void		(*saveroute)(const struct sk_buff *skb,
+-				     struct nf_queue_entry *entry);
+ 	int		(*reroute)(struct net *net, struct sk_buff *skb,
+ 				   const struct nf_queue_entry *entry);
+ 	int		route_key_size;
+--- a/include/linux/netfilter_ipv4.h
++++ b/include/linux/netfilter_ipv4.h
+@@ -6,6 +6,16 @@
+ 
+ #include <uapi/linux/netfilter_ipv4.h>
+ 
++/* Extra routing may needed on local out, as the QUEUE target never returns
++ * control to the table.
++ */
++struct ip_rt_info {
++	__be32 daddr;
++	__be32 saddr;
++	u_int8_t tos;
++	u_int32_t mark;
++};
++
+ int ip_route_me_harder(struct net *net, struct sk_buff *skb, unsigned addr_type);
+ 
+ #ifdef CONFIG_INET
+--- a/include/linux/netfilter_ipv6.h
++++ b/include/linux/netfilter_ipv6.h
+@@ -9,6 +9,15 @@
+ 
+ #include <uapi/linux/netfilter_ipv6.h>
+ 
++/* Extra routing may needed on local out, as the QUEUE target never returns
++ * control to the table.
++ */
++struct ip6_rt_info {
++	struct in6_addr daddr;
++	struct in6_addr saddr;
++	u_int32_t mark;
++};
++
+ /*
+  * Hook functions for ipv6 to allow xt_* modules to be built-in even
+  * if IPv6 is a module.
+--- a/net/bridge/netfilter/nf_tables_bridge.c
++++ b/net/bridge/netfilter/nf_tables_bridge.c
+@@ -95,11 +95,6 @@ static const struct nf_chain_type filter
+ 			  (1 << NF_BR_POST_ROUTING),
+ };
+ 
+-static void nf_br_saveroute(const struct sk_buff *skb,
+-			    struct nf_queue_entry *entry)
+-{
+-}
+-
+ static int nf_br_reroute(struct net *net, struct sk_buff *skb,
+ 			 const struct nf_queue_entry *entry)
+ {
+@@ -115,7 +110,6 @@ static int nf_br_route(struct net *net,
+ static const struct nf_afinfo nf_br_afinfo = {
+ 	.family                 = AF_BRIDGE,
+ 	.route                  = nf_br_route,
+-	.saveroute              = nf_br_saveroute,
+ 	.reroute                = nf_br_reroute,
+ 	.route_key_size         = 0,
+ };
+--- a/net/ipv4/netfilter.c
++++ b/net/ipv4/netfilter.c
+@@ -80,33 +80,6 @@ int ip_route_me_harder(struct net *net,
+ }
+ EXPORT_SYMBOL(ip_route_me_harder);
+ 
+-/*
+- * Extra routing may needed on local out, as the QUEUE target never
+- * returns control to the table.
+- */
+-
+-struct ip_rt_info {
+-	__be32 daddr;
+-	__be32 saddr;
+-	u_int8_t tos;
+-	u_int32_t mark;
+-};
+-
+-static void nf_ip_saveroute(const struct sk_buff *skb,
+-			    struct nf_queue_entry *entry)
+-{
+-	struct ip_rt_info *rt_info = nf_queue_entry_reroute(entry);
+-
+-	if (entry->state.hook == NF_INET_LOCAL_OUT) {
+-		const struct iphdr *iph = ip_hdr(skb);
+-
+-		rt_info->tos = iph->tos;
+-		rt_info->daddr = iph->daddr;
+-		rt_info->saddr = iph->saddr;
+-		rt_info->mark = skb->mark;
+-	}
+-}
+-
+ static int nf_ip_reroute(struct net *net, struct sk_buff *skb,
+ 			 const struct nf_queue_entry *entry)
+ {
+@@ -190,7 +163,6 @@ static int nf_ip_route(struct net *net,
+ static const struct nf_afinfo nf_ip_afinfo = {
+ 	.family			= AF_INET,
+ 	.route			= nf_ip_route,
+-	.saveroute		= nf_ip_saveroute,
+ 	.reroute		= nf_ip_reroute,
+ 	.route_key_size		= sizeof(struct ip_rt_info),
+ };
+--- a/net/ipv6/netfilter.c
++++ b/net/ipv6/netfilter.c
+@@ -69,31 +69,6 @@ int ip6_route_me_harder(struct net *net,
+ }
+ EXPORT_SYMBOL(ip6_route_me_harder);
+ 
+-/*
+- * Extra routing may needed on local out, as the QUEUE target never
+- * returns control to the table.
+- */
+-
+-struct ip6_rt_info {
+-	struct in6_addr daddr;
+-	struct in6_addr saddr;
+-	u_int32_t mark;
+-};
+-
+-static void nf_ip6_saveroute(const struct sk_buff *skb,
+-			     struct nf_queue_entry *entry)
+-{
+-	struct ip6_rt_info *rt_info = nf_queue_entry_reroute(entry);
+-
+-	if (entry->state.hook == NF_INET_LOCAL_OUT) {
+-		const struct ipv6hdr *iph = ipv6_hdr(skb);
+-
+-		rt_info->daddr = iph->daddr;
+-		rt_info->saddr = iph->saddr;
+-		rt_info->mark = skb->mark;
+-	}
+-}
+-
+ static int nf_ip6_reroute(struct net *net, struct sk_buff *skb,
+ 			  const struct nf_queue_entry *entry)
+ {
+@@ -201,7 +176,6 @@ static const struct nf_ipv6_ops ipv6ops
+ static const struct nf_afinfo nf_ip6_afinfo = {
+ 	.family			= AF_INET6,
+ 	.route			= nf_ip6_route,
+-	.saveroute		= nf_ip6_saveroute,
+ 	.reroute		= nf_ip6_reroute,
+ 	.route_key_size		= sizeof(struct ip6_rt_info),
+ };
+--- a/net/netfilter/nf_queue.c
++++ b/net/netfilter/nf_queue.c
+@@ -10,6 +10,8 @@
+ #include <linux/proc_fs.h>
+ #include <linux/skbuff.h>
+ #include <linux/netfilter.h>
++#include <linux/netfilter_ipv4.h>
++#include <linux/netfilter_ipv6.h>
+ #include <linux/netfilter_bridge.h>
+ #include <linux/seq_file.h>
+ #include <linux/rcupdate.h>
+@@ -108,6 +110,35 @@ void nf_queue_nf_hook_drop(struct net *n
+ }
+ EXPORT_SYMBOL_GPL(nf_queue_nf_hook_drop);
+ 
++static void nf_ip_saveroute(const struct sk_buff *skb,
++			    struct nf_queue_entry *entry)
++{
++	struct ip_rt_info *rt_info = nf_queue_entry_reroute(entry);
++
++	if (entry->state.hook == NF_INET_LOCAL_OUT) {
++		const struct iphdr *iph = ip_hdr(skb);
++
++		rt_info->tos = iph->tos;
++		rt_info->daddr = iph->daddr;
++		rt_info->saddr = iph->saddr;
++		rt_info->mark = skb->mark;
++	}
++}
++
++static void nf_ip6_saveroute(const struct sk_buff *skb,
++			     struct nf_queue_entry *entry)
++{
++	struct ip6_rt_info *rt_info = nf_queue_entry_reroute(entry);
++
++	if (entry->state.hook == NF_INET_LOCAL_OUT) {
++		const struct ipv6hdr *iph = ipv6_hdr(skb);
++
++		rt_info->daddr = iph->daddr;
++		rt_info->saddr = iph->saddr;
++		rt_info->mark = skb->mark;
++	}
++}
++
+ static int __nf_queue(struct sk_buff *skb, const struct nf_hook_state *state,
+ 		      const struct nf_hook_entries *entries,
+ 		      unsigned int index, unsigned int queuenum)
+@@ -144,7 +175,16 @@ static int __nf_queue(struct sk_buff *sk
+ 
+ 	nf_queue_entry_get_refs(entry);
+ 	skb_dst_force(skb);
+-	afinfo->saveroute(skb, entry);
++
++	switch (entry->state.pf) {
++	case AF_INET:
++		nf_ip_saveroute(skb, entry);
++		break;
++	case AF_INET6:
++		nf_ip6_saveroute(skb, entry);
++		break;
++	}
++
+ 	status = qh->outfn(entry, queuenum);
+ 
+ 	if (status < 0) {