remove 2.6.23 support, as the last target using that has been nuked, too

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@16275 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 0 insertions, 299 deletions

diff --git a/target/linux/generic-2.6/patches-2.6.23/201-multiple_default_gateways.patch b/target/linux/generic-2.6/patches-2.6.23/201-multiple_default_gateways.patch
deleted file mode 100644
index 3b8eeedef..000000000
--- a/target/linux/generic-2.6/patches-2.6.23/201-multiple_default_gateways.patch
+++ /dev/null
@@ -1,299 +0,0 @@
---- a/include/linux/rtnetlink.h
-+++ b/include/linux/rtnetlink.h
-@@ -293,6 +293,8 @@ struct rtnexthop
- #define RTNH_F_DEAD		1	/* Nexthop is dead (used by multipath)	*/
- #define RTNH_F_PERVASIVE	2	/* Do recursive gateway lookup	*/
- #define RTNH_F_ONLINK		4	/* Gateway is forced on link	*/
-+#define RTNH_F_SUSPECT		8	/* We don't know the real state	*/
-+#define RTNH_F_BADSTATE		(RTNH_F_DEAD | RTNH_F_SUSPECT)
- 
- /* Macros to handle hexthops */
- 
---- a/include/net/flow.h
-+++ b/include/net/flow.h
-@@ -19,6 +19,8 @@ struct flowi {
- 		struct {
- 			__be32			daddr;
- 			__be32			saddr;
-+			__u32			lsrc;
-+			__u32			gw;
- 			__u8			tos;
- 			__u8			scope;
- 		} ip4_u;
-@@ -43,6 +45,8 @@ struct flowi {
- #define fl6_flowlabel	nl_u.ip6_u.flowlabel
- #define fl4_dst		nl_u.ip4_u.daddr
- #define fl4_src		nl_u.ip4_u.saddr
-+#define fl4_lsrc        nl_u.ip4_u.lsrc
-+#define fl4_gw		nl_u.ip4_u.gw
- #define fl4_tos		nl_u.ip4_u.tos
- #define fl4_scope	nl_u.ip4_u.scope
- 
---- a/net/ipv4/route.c
-+++ b/net/ipv4/route.c
-@@ -1116,6 +1116,7 @@ void ip_rt_redirect(__be32 old_gw, __be3
- 
- 				/* Gateway is different ... */
- 				rt->rt_gateway		= new_gw;
-+				if (rt->fl.fl4_gw) rt->fl.fl4_gw = new_gw;
- 
- 				/* Redirect received -> path was valid */
- 				dst_confirm(&rth->u.dst);
-@@ -1551,6 +1552,7 @@ static int ip_route_input_mc(struct sk_b
- 	rth->fl.fl4_tos	= tos;
- 	rth->fl.mark    = skb->mark;
- 	rth->fl.fl4_src	= saddr;
-+	rth->fl.fl4_lsrc = 0;
- 	rth->rt_src	= saddr;
- #ifdef CONFIG_NET_CLS_ROUTE
- 	rth->u.dst.tclassid = itag;
-@@ -1561,6 +1563,7 @@ static int ip_route_input_mc(struct sk_b
- 	dev_hold(rth->u.dst.dev);
- 	rth->idev	= in_dev_get(rth->u.dst.dev);
- 	rth->fl.oif	= 0;
-+	rth->fl.fl4_gw	= 0;
- 	rth->rt_gateway	= daddr;
- 	rth->rt_spec_dst= spec_dst;
- 	rth->rt_type	= RTN_MULTICAST;
-@@ -1624,7 +1627,7 @@ static void ip_handle_martian_source(str
- static inline int __mkroute_input(struct sk_buff *skb,
- 				  struct fib_result* res,
- 				  struct in_device *in_dev,
--				  __be32 daddr, __be32 saddr, u32 tos,
-+				  __be32 daddr, __be32 saddr, u32 tos, u32 lsrc,
- 				  struct rtable **result)
- {
- 
-@@ -1659,6 +1662,7 @@ static inline int __mkroute_input(struct
- 		flags |= RTCF_DIRECTSRC;
- 
- 	if (out_dev == in_dev && err && !(flags & (RTCF_NAT | RTCF_MASQ)) &&
-+	    !lsrc &&
- 	    (IN_DEV_SHARED_MEDIA(out_dev) ||
- 	     inet_addr_onlink(out_dev, saddr, FIB_RES_GW(*res))))
- 		flags |= RTCF_DOREDIRECT;
-@@ -1692,6 +1696,7 @@ static inline int __mkroute_input(struct
- 	rth->fl.mark    = skb->mark;
- 	rth->fl.fl4_src	= saddr;
- 	rth->rt_src	= saddr;
-+	rth->fl.fl4_lsrc	= lsrc;
- 	rth->rt_gateway	= daddr;
- 	rth->rt_iif 	=
- 		rth->fl.iif	= in_dev->dev->ifindex;
-@@ -1699,6 +1704,7 @@ static inline int __mkroute_input(struct
- 	dev_hold(rth->u.dst.dev);
- 	rth->idev	= in_dev_get(rth->u.dst.dev);
- 	rth->fl.oif 	= 0;
-+	rth->fl.fl4_gw	= 0;
- 	rth->rt_spec_dst= spec_dst;
- 
- 	rth->u.dst.input = ip_forward;
-@@ -1720,19 +1726,21 @@ static inline int ip_mkroute_input(struc
- 				   struct fib_result* res,
- 				   const struct flowi *fl,
- 				   struct in_device *in_dev,
--				   __be32 daddr, __be32 saddr, u32 tos)
-+				   __be32 daddr, __be32 saddr, u32 tos, 
-+				   u32 lsrc)
- {
- 	struct rtable* rth = NULL;
- 	int err;
- 	unsigned hash;
- 
-+	fib_select_default(fl, res);
- #ifdef CONFIG_IP_ROUTE_MULTIPATH
--	if (res->fi && res->fi->fib_nhs > 1 && fl->oif == 0)
-+	if (res->fi && res->fi->fib_nhs > 1)
- 		fib_select_multipath(fl, res);
- #endif
- 
- 	/* create a routing cache entry */
--	err = __mkroute_input(skb, res, in_dev, daddr, saddr, tos, &rth);
-+	err = __mkroute_input(skb, res, in_dev, daddr, saddr, tos, lsrc, &rth);
- 	if (err)
- 		return err;
- 
-@@ -1752,18 +1760,18 @@ static inline int ip_mkroute_input(struc
-  */
- 
- static int ip_route_input_slow(struct sk_buff *skb, __be32 daddr, __be32 saddr,
--			       u8 tos, struct net_device *dev)
-+			       u8 tos, struct net_device *dev, u32 lsrc)
- {
- 	struct fib_result res;
- 	struct in_device *in_dev = in_dev_get(dev);
- 	struct flowi fl = { .nl_u = { .ip4_u =
- 				      { .daddr = daddr,
--					.saddr = saddr,
-+					.saddr = lsrc ? : saddr,
- 					.tos = tos,
- 					.scope = RT_SCOPE_UNIVERSE,
- 				      } },
- 			    .mark = skb->mark,
--			    .iif = dev->ifindex };
-+			    .iif = lsrc? loopback_dev.ifindex : dev->ifindex };
- 	unsigned	flags = 0;
- 	u32		itag = 0;
- 	struct rtable * rth;
-@@ -1796,6 +1804,12 @@ static int ip_route_input_slow(struct sk
- 	if (BADCLASS(daddr) || ZERONET(daddr) || LOOPBACK(daddr))
- 		goto martian_destination;
- 
-+	if (lsrc) {
-+		if (MULTICAST(lsrc) || BADCLASS(lsrc) ||
-+		    ZERONET(lsrc) || LOOPBACK(lsrc))
-+			goto e_inval;
-+	}
-+
- 	/*
- 	 *	Now we are ready to route packet.
- 	 */
-@@ -1805,6 +1819,10 @@ static int ip_route_input_slow(struct sk
- 		goto no_route;
- 	}
- 	free_res = 1;
-+	if (lsrc && res.type != RTN_UNICAST && res.type != RTN_NAT)
-+		goto e_inval;
-+	fl.iif = dev->ifindex;
-+	fl.fl4_src = saddr;
- 
- 	RT_CACHE_STAT_INC(in_slow_tot);
- 
-@@ -1829,7 +1847,7 @@ static int ip_route_input_slow(struct sk
- 	if (res.type != RTN_UNICAST)
- 		goto martian_destination;
- 
--	err = ip_mkroute_input(skb, &res, &fl, in_dev, daddr, saddr, tos);
-+	err = ip_mkroute_input(skb, &res, &fl, in_dev, daddr, saddr, tos, lsrc);
- 	if (err == -ENOBUFS)
- 		goto e_nobufs;
- 	if (err == -EINVAL)
-@@ -1844,6 +1862,8 @@ out:	return err;
- brd_input:
- 	if (skb->protocol != htons(ETH_P_IP))
- 		goto e_inval;
-+	if (lsrc)
-+		goto e_inval;
- 
- 	if (ZERONET(saddr))
- 		spec_dst = inet_select_addr(dev, 0, RT_SCOPE_LINK);
-@@ -1884,6 +1904,7 @@ local_input:
- 	rth->u.dst.dev	= &loopback_dev;
- 	dev_hold(rth->u.dst.dev);
- 	rth->idev	= in_dev_get(rth->u.dst.dev);
-+	rth->fl.fl4_gw	= 0;
- 	rth->rt_gateway	= daddr;
- 	rth->rt_spec_dst= spec_dst;
- 	rth->u.dst.input= ip_local_deliver;
-@@ -1933,8 +1954,9 @@ martian_source:
- 	goto e_inval;
- }
- 
--int ip_route_input(struct sk_buff *skb, __be32 daddr, __be32 saddr,
--		   u8 tos, struct net_device *dev)
-+static inline int
-+ip_route_input_cached(struct sk_buff *skb, __be32 daddr, __be32 saddr,
-+		   u8 tos, struct net_device *dev, u32 lsrc)
- {
- 	struct rtable * rth;
- 	unsigned	hash;
-@@ -1949,6 +1971,7 @@ int ip_route_input(struct sk_buff *skb, 
- 		if (rth->fl.fl4_dst == daddr &&
- 		    rth->fl.fl4_src == saddr &&
- 		    rth->fl.iif == iif &&
-+		    rth->fl.fl4_lsrc == lsrc &&
- 		    rth->fl.oif == 0 &&
- 		    rth->fl.mark == skb->mark &&
- 		    rth->fl.fl4_tos == tos) {
-@@ -1995,7 +2018,19 @@ int ip_route_input(struct sk_buff *skb, 
- 		rcu_read_unlock();
- 		return -EINVAL;
- 	}
--	return ip_route_input_slow(skb, daddr, saddr, tos, dev);
-+	return ip_route_input_slow(skb, daddr, saddr, tos, dev, lsrc);
-+}
-+
-+int ip_route_input(struct sk_buff *skb, u32 daddr, u32 saddr,
-+		   u8 tos, struct net_device *dev)
-+{
-+	return ip_route_input_cached(skb, daddr, saddr, tos, dev, 0);
-+}
-+
-+int ip_route_input_lookup(struct sk_buff *skb, u32 daddr, u32 saddr,
-+			  u8 tos, struct net_device *dev, u32 lsrc)
-+{
-+	return ip_route_input_cached(skb, daddr, saddr, tos, dev, lsrc);
- }
- 
- static inline int __mkroute_output(struct rtable **result,
-@@ -2067,6 +2102,7 @@ static inline int __mkroute_output(struc
- 	rth->fl.fl4_tos	= tos;
- 	rth->fl.fl4_src	= oldflp->fl4_src;
- 	rth->fl.oif	= oldflp->oif;
-+	rth->fl.fl4_gw  = oldflp->fl4_gw;
- 	rth->fl.mark    = oldflp->mark;
- 	rth->rt_dst	= fl->fl4_dst;
- 	rth->rt_src	= fl->fl4_src;
-@@ -2145,6 +2181,7 @@ static int ip_route_output_slow(struct r
- 	struct flowi fl = { .nl_u = { .ip4_u =
- 				      { .daddr = oldflp->fl4_dst,
- 					.saddr = oldflp->fl4_src,
-+					.gw = oldflp->fl4_gw,
- 					.tos = tos & IPTOS_RT_MASK,
- 					.scope = ((tos & RTO_ONLINK) ?
- 						  RT_SCOPE_LINK :
-@@ -2248,6 +2285,7 @@ static int ip_route_output_slow(struct r
- 		dev_out = &loopback_dev;
- 		dev_hold(dev_out);
- 		fl.oif = loopback_dev.ifindex;
-+		fl.fl4_gw = 0;
- 		res.type = RTN_LOCAL;
- 		flags |= RTCF_LOCAL;
- 		goto make_route;
-@@ -2255,7 +2293,7 @@ static int ip_route_output_slow(struct r
- 
- 	if (fib_lookup(&fl, &res)) {
- 		res.fi = NULL;
--		if (oldflp->oif) {
-+		if (oldflp->oif && dev_out->flags & IFF_UP) {
- 			/* Apparently, routing tables are wrong. Assume,
- 			   that the destination is on link.
- 
-@@ -2295,6 +2333,7 @@ static int ip_route_output_slow(struct r
- 		dev_out = &loopback_dev;
- 		dev_hold(dev_out);
- 		fl.oif = dev_out->ifindex;
-+		fl.fl4_gw = 0;
- 		if (res.fi)
- 			fib_info_put(res.fi);
- 		res.fi = NULL;
-@@ -2302,13 +2341,12 @@ static int ip_route_output_slow(struct r
- 		goto make_route;
- 	}
- 
-+	if (res.type == RTN_UNICAST)
-+		fib_select_default(&fl, &res);
- #ifdef CONFIG_IP_ROUTE_MULTIPATH
--	if (res.fi->fib_nhs > 1 && fl.oif == 0)
-+	if (res.fi->fib_nhs > 1)
- 		fib_select_multipath(&fl, &res);
--	else
- #endif
--	if (!res.prefixlen && res.type == RTN_UNICAST && !fl.oif)
--		fib_select_default(&fl, &res);
- 
- 	if (!fl.fl4_src)
- 		fl.fl4_src = FIB_RES_PREFSRC(res);
-@@ -2345,6 +2383,7 @@ int __ip_route_output_key(struct rtable 
- 		    rth->fl.fl4_src == flp->fl4_src &&
- 		    rth->fl.iif == 0 &&
- 		    rth->fl.oif == flp->oif &&
-+		    rth->fl.fl4_gw == flp->fl4_gw &&
- 		    rth->fl.mark == flp->mark &&
- 		    !((rth->fl.fl4_tos ^ flp->fl4_tos) &
- 			    (IPTOS_RT_MASK | RTO_ONLINK))) {
-@@ -3030,3 +3069,4 @@ int __init ip_rt_init(void)
- EXPORT_SYMBOL(__ip_select_ident);
- EXPORT_SYMBOL(ip_route_input);
- EXPORT_SYMBOL(ip_route_output_key);
-+EXPORT_SYMBOL(ip_route_input_lookup);