From d37e8522233419d629d611c836794cb320d97388 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Mon, 7 Mar 2016 17:56:58 +0000 Subject: kernel: remove linux 4.3 support Signed-off-by: Felix Fietkau git-svn-id: svn://svn.openwrt.org/openwrt/trunk@48955 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- ...jecting-with-source-address-failed-policy.patch | 249 --------------------- 1 file changed, 249 deletions(-) delete mode 100644 target/linux/generic/patches-4.3/670-ipv6-allow-rejecting-with-source-address-failed-policy.patch (limited to 'target/linux/generic/patches-4.3/670-ipv6-allow-rejecting-with-source-address-failed-policy.patch') diff --git a/target/linux/generic/patches-4.3/670-ipv6-allow-rejecting-with-source-address-failed-policy.patch b/target/linux/generic/patches-4.3/670-ipv6-allow-rejecting-with-source-address-failed-policy.patch deleted file mode 100644 index e325e5d020..0000000000 --- a/target/linux/generic/patches-4.3/670-ipv6-allow-rejecting-with-source-address-failed-policy.patch +++ /dev/null @@ -1,249 +0,0 @@ -From 1b5aaa4b16f6e6471ab1c07b38068197a1b4c395 Mon Sep 17 00:00:00 2001 -From: Jonas Gorski -Date: Fri, 24 May 2013 14:40:54 +0200 -Subject: [PATCH 1/2] ipv6: allow rejecting with "source address failed policy" - -RFC6204 L-14 requires rejecting traffic from invalid addresses with -ICMPv6 Destination Unreachable, Code 5 (Source address failed ingress/ -egress policy) on the LAN side, so add an appropriate rule for that. - -Signed-off-by: Jonas Gorski ---- - include/net/netns/ipv6.h | 1 + - include/uapi/linux/fib_rules.h | 4 +++ - include/uapi/linux/rtnetlink.h | 1 + - net/ipv4/fib_semantics.c | 4 +++ - net/ipv4/fib_trie.c | 1 + - net/ipv4/ipmr.c | 1 + - net/ipv6/fib6_rules.c | 4 +++ - net/ipv6/ip6mr.c | 2 ++ - net/ipv6/route.c | 58 +++++++++++++++++++++++++++++++++++++++++- - 9 files changed, 75 insertions(+), 1 deletion(-) - ---- a/include/net/netns/ipv6.h -+++ b/include/net/netns/ipv6.h -@@ -63,6 +63,7 @@ struct netns_ipv6 { - unsigned long ip6_rt_last_gc; - #ifdef CONFIG_IPV6_MULTIPLE_TABLES - struct rt6_info *ip6_prohibit_entry; -+ struct rt6_info *ip6_policy_failed_entry; - struct rt6_info *ip6_blk_hole_entry; - struct fib6_table *fib6_local_tbl; - struct fib_rules_ops *fib6_rules_ops; ---- a/include/uapi/linux/fib_rules.h -+++ b/include/uapi/linux/fib_rules.h -@@ -64,6 +64,10 @@ enum { - FR_ACT_BLACKHOLE, /* Drop without notification */ - FR_ACT_UNREACHABLE, /* Drop with ENETUNREACH */ - FR_ACT_PROHIBIT, /* Drop with EACCES */ -+ FR_ACT_RES9, -+ FR_ACT_RES10, -+ FR_ACT_RES11, -+ FR_ACT_POLICY_FAILED, /* Drop with EACCES */ - __FR_ACT_MAX, - }; - ---- a/include/uapi/linux/rtnetlink.h -+++ b/include/uapi/linux/rtnetlink.h -@@ -210,6 +210,7 @@ enum { - RTN_THROW, /* Not in this table */ - RTN_NAT, /* Translate this address */ - RTN_XRESOLVE, /* Use external resolver */ -+ RTN_POLICY_FAILED, /* Failed ingress/egress policy */ - __RTN_MAX - }; - ---- a/net/ipv4/fib_semantics.c -+++ b/net/ipv4/fib_semantics.c -@@ -139,6 +139,10 @@ const struct fib_prop fib_props[RTN_MAX - .error = -EINVAL, - .scope = RT_SCOPE_NOWHERE, - }, -+ [RTN_POLICY_FAILED] = { -+ .error = -EACCES, -+ .scope = RT_SCOPE_UNIVERSE, -+ }, - }; - - static void rt_fibinfo_free(struct rtable __rcu **rtp) ---- a/net/ipv4/fib_trie.c -+++ b/net/ipv4/fib_trie.c -@@ -2368,6 +2368,7 @@ static const char *const rtn_type_names[ - [RTN_THROW] = "THROW", - [RTN_NAT] = "NAT", - [RTN_XRESOLVE] = "XRESOLVE", -+ [RTN_POLICY_FAILED] = "POLICY_FAILED", - }; - - static inline const char *rtn_type(char *buf, size_t len, unsigned int t) ---- a/net/ipv4/ipmr.c -+++ b/net/ipv4/ipmr.c -@@ -182,6 +182,7 @@ static int ipmr_rule_action(struct fib_r - case FR_ACT_UNREACHABLE: - return -ENETUNREACH; - case FR_ACT_PROHIBIT: -+ case FR_ACT_POLICY_FAILED: - return -EACCES; - case FR_ACT_BLACKHOLE: - default: ---- a/net/ipv6/fib6_rules.c -+++ b/net/ipv6/fib6_rules.c -@@ -84,6 +84,10 @@ static int fib6_rule_action(struct fib_r - err = -EACCES; - rt = net->ipv6.ip6_prohibit_entry; - goto discard_pkt; -+ case FR_ACT_POLICY_FAILED: -+ err = -EACCES; -+ rt = net->ipv6.ip6_policy_failed_entry; -+ goto discard_pkt; - } - - table = fib6_get_table(net, rule->table); ---- a/net/ipv6/ip6mr.c -+++ b/net/ipv6/ip6mr.c -@@ -167,6 +167,8 @@ static int ip6mr_rule_action(struct fib_ - return -ENETUNREACH; - case FR_ACT_PROHIBIT: - return -EACCES; -+ case FR_ACT_POLICY_FAILED: -+ return -EACCES; - case FR_ACT_BLACKHOLE: - default: - return -EINVAL; ---- a/net/ipv6/route.c -+++ b/net/ipv6/route.c -@@ -89,6 +89,8 @@ static int ip6_pkt_discard(struct sk_bu - static int ip6_pkt_discard_out(struct sock *sk, struct sk_buff *skb); - static int ip6_pkt_prohibit(struct sk_buff *skb); - static int ip6_pkt_prohibit_out(struct sock *sk, struct sk_buff *skb); -+static int ip6_pkt_policy_failed(struct sk_buff *skb); -+static int ip6_pkt_policy_failed_out(struct sock *sk, struct sk_buff *skb); - static void ip6_link_failure(struct sk_buff *skb); - static void ip6_rt_update_pmtu(struct dst_entry *dst, struct sock *sk, - struct sk_buff *skb, u32 mtu); -@@ -296,6 +298,21 @@ static const struct rt6_info ip6_prohibi - .rt6i_ref = ATOMIC_INIT(1), - }; - -+static const struct rt6_info ip6_policy_failed_entry_template = { -+ .dst = { -+ .__refcnt = ATOMIC_INIT(1), -+ .__use = 1, -+ .obsolete = DST_OBSOLETE_FORCE_CHK, -+ .error = -EACCES, -+ .input = ip6_pkt_policy_failed, -+ .output = ip6_pkt_policy_failed_out, -+ }, -+ .rt6i_flags = (RTF_REJECT | RTF_NONEXTHOP), -+ .rt6i_protocol = RTPROT_KERNEL, -+ .rt6i_metric = ~(u32) 0, -+ .rt6i_ref = ATOMIC_INIT(1), -+}; -+ - static const struct rt6_info ip6_blk_hole_entry_template = { - .dst = { - .__refcnt = ATOMIC_INIT(1), -@@ -1902,6 +1919,11 @@ int ip6_route_info_create(struct fib6_co - rt->dst.output = ip6_pkt_prohibit_out; - rt->dst.input = ip6_pkt_prohibit; - break; -+ case RTN_POLICY_FAILED: -+ rt->dst.error = -EACCES; -+ rt->dst.output = ip6_pkt_policy_failed_out; -+ rt->dst.input = ip6_pkt_policy_failed; -+ break; - case RTN_THROW: - case RTN_UNREACHABLE: - default: -@@ -2504,6 +2526,17 @@ static int ip6_pkt_prohibit_out(struct s - return ip6_pkt_drop(skb, ICMPV6_ADM_PROHIBITED, IPSTATS_MIB_OUTNOROUTES); - } - -+static int ip6_pkt_policy_failed(struct sk_buff *skb) -+{ -+ return ip6_pkt_drop(skb, ICMPV6_POLICY_FAIL, IPSTATS_MIB_INNOROUTES); -+} -+ -+static int ip6_pkt_policy_failed_out(struct sock *sk, struct sk_buff *skb) -+{ -+ skb->dev = skb_dst(skb)->dev; -+ return ip6_pkt_drop(skb, ICMPV6_POLICY_FAIL, IPSTATS_MIB_OUTNOROUTES); -+} -+ - /* - * Allocate a dst for local (unicast / anycast) address. - */ -@@ -2744,7 +2777,8 @@ static int rtm_to_fib6_config(struct sk_ - if (rtm->rtm_type == RTN_UNREACHABLE || - rtm->rtm_type == RTN_BLACKHOLE || - rtm->rtm_type == RTN_PROHIBIT || -- rtm->rtm_type == RTN_THROW) -+ rtm->rtm_type == RTN_THROW || -+ rtm->rtm_type == RTN_POLICY_FAILED) - cfg->fc_flags |= RTF_REJECT; - - if (rtm->rtm_type == RTN_LOCAL) -@@ -3100,6 +3134,9 @@ static int rt6_fill_node(struct net *net - case -EACCES: - rtm->rtm_type = RTN_PROHIBIT; - break; -+ case -EPERM: -+ rtm->rtm_type = RTN_POLICY_FAILED; -+ break; - case -EAGAIN: - rtm->rtm_type = RTN_THROW; - break; -@@ -3368,6 +3405,8 @@ static int ip6_route_dev_notify(struct n - #ifdef CONFIG_IPV6_MULTIPLE_TABLES - net->ipv6.ip6_prohibit_entry->dst.dev = dev; - net->ipv6.ip6_prohibit_entry->rt6i_idev = in6_dev_get(dev); -+ net->ipv6.ip6_policy_failed_entry->dst.dev = dev; -+ net->ipv6.ip6_policy_failed_entry->rt6i_idev = in6_dev_get(dev); - net->ipv6.ip6_blk_hole_entry->dst.dev = dev; - net->ipv6.ip6_blk_hole_entry->rt6i_idev = in6_dev_get(dev); - #endif -@@ -3584,6 +3623,17 @@ static int __net_init ip6_route_net_init - net->ipv6.ip6_blk_hole_entry->dst.ops = &net->ipv6.ip6_dst_ops; - dst_init_metrics(&net->ipv6.ip6_blk_hole_entry->dst, - ip6_template_metrics, true); -+ -+ net->ipv6.ip6_policy_failed_entry = -+ kmemdup(&ip6_policy_failed_entry_template, -+ sizeof(*net->ipv6.ip6_policy_failed_entry), GFP_KERNEL); -+ if (!net->ipv6.ip6_policy_failed_entry) -+ goto out_ip6_blk_hole_entry; -+ net->ipv6.ip6_policy_failed_entry->dst.path = -+ (struct dst_entry *)net->ipv6.ip6_policy_failed_entry; -+ net->ipv6.ip6_policy_failed_entry->dst.ops = &net->ipv6.ip6_dst_ops; -+ dst_init_metrics(&net->ipv6.ip6_policy_failed_entry->dst, -+ ip6_template_metrics, true); - #endif - - net->ipv6.sysctl.flush_delay = 0; -@@ -3602,6 +3652,8 @@ out: - return ret; - - #ifdef CONFIG_IPV6_MULTIPLE_TABLES -+out_ip6_blk_hole_entry: -+ kfree(net->ipv6.ip6_blk_hole_entry); - out_ip6_prohibit_entry: - kfree(net->ipv6.ip6_prohibit_entry); - out_ip6_null_entry: -@@ -3619,6 +3671,7 @@ static void __net_exit ip6_route_net_exi - #ifdef CONFIG_IPV6_MULTIPLE_TABLES - kfree(net->ipv6.ip6_prohibit_entry); - kfree(net->ipv6.ip6_blk_hole_entry); -+ kfree(net->ipv6.ip6_policy_failed_entry); - #endif - dst_entries_destroy(&net->ipv6.ip6_dst_ops); - } -@@ -3716,6 +3769,9 @@ int __init ip6_route_init(void) - init_net.ipv6.ip6_prohibit_entry->rt6i_idev = in6_dev_get(init_net.loopback_dev); - init_net.ipv6.ip6_blk_hole_entry->dst.dev = init_net.loopback_dev; - init_net.ipv6.ip6_blk_hole_entry->rt6i_idev = in6_dev_get(init_net.loopback_dev); -+ init_net.ipv6.ip6_policy_failed_entry->dst.dev = init_net.loopback_dev; -+ init_net.ipv6.ip6_policy_failed_entry->rt6i_idev = -+ in6_dev_get(init_net.loopback_dev); - #endif - ret = fib6_init(); - if (ret) -- cgit v1.2.3