b43: Remove unnecessary MMIO accesses in the interrupt hotpath.

[openwrt.git] / target / linux / generic-2.6 / patches-2.6.23 / 201-multiple_default_gateways.patch

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
index b6b3591..3b8eeed 100644 (file)
--- 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
@@ -1,8 +1,6 @@
-Index: linux-2.6.23-rc6/include/linux/rtnetlink.h
-===================================================================
---- linux-2.6.23-rc6.orig/include/linux/rtnetlink.h    2007-09-21 16:23:53.000000000 +0800
-+++ linux-2.6.23-rc6/include/linux/rtnetlink.h 2007-09-21 16:24:04.000000000 +0800
-@@ -293,6 +293,8 @@
+--- 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    */
@@ -11,11 +9,9 @@ Index: linux-2.6.23-rc6/include/linux/rtnetlink.h
  
  /* Macros to handle hexthops */
  
-Index: linux-2.6.23-rc6/include/net/flow.h
-===================================================================
---- linux-2.6.23-rc6.orig/include/net/flow.h   2007-09-21 16:23:53.000000000 +0800
-+++ linux-2.6.23-rc6/include/net/flow.h        2007-09-21 16:24:04.000000000 +0800
-@@ -19,6 +19,8 @@
+--- a/include/net/flow.h
++++ b/include/net/flow.h
+@@ -19,6 +19,8 @@ struct flowi {
                struct {
                        __be32                  daddr;
                        __be32                  saddr;
@@ -24,7 +20,7 @@ Index: linux-2.6.23-rc6/include/net/flow.h
                        __u8                    tos;
                        __u8                    scope;
                } ip4_u;
-@@ -43,6 +45,8 @@
+@@ -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
@@ -33,11 +29,9 @@ Index: linux-2.6.23-rc6/include/net/flow.h
  #define fl4_tos               nl_u.ip4_u.tos
  #define fl4_scope     nl_u.ip4_u.scope
  
-Index: linux-2.6.23-rc6/net/ipv4/route.c
-===================================================================
---- linux-2.6.23-rc6.orig/net/ipv4/route.c     2007-09-21 16:23:53.000000000 +0800
-+++ linux-2.6.23-rc6/net/ipv4/route.c  2007-09-21 16:24:04.000000000 +0800
-@@ -1116,6 +1116,7 @@
+--- 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;
@@ -45,7 +39,7 @@ Index: linux-2.6.23-rc6/net/ipv4/route.c
  
                                /* Redirect received -> path was valid */
                                dst_confirm(&rth->u.dst);
-@@ -1551,6 +1552,7 @@
+@@ -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;
@@ -53,7 +47,7 @@ Index: linux-2.6.23-rc6/net/ipv4/route.c
        rth->rt_src     = saddr;
  #ifdef CONFIG_NET_CLS_ROUTE
        rth->u.dst.tclassid = itag;
-@@ -1561,6 +1563,7 @@
+@@ -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;
@@ -61,7 +55,7 @@ Index: linux-2.6.23-rc6/net/ipv4/route.c
        rth->rt_gateway = daddr;
        rth->rt_spec_dst= spec_dst;
        rth->rt_type    = RTN_MULTICAST;
-@@ -1624,7 +1627,7 @@
+@@ -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,
@@ -70,7 +64,7 @@ Index: linux-2.6.23-rc6/net/ipv4/route.c
                                  struct rtable **result)
  {
  
-@@ -1659,6 +1662,7 @@
+@@ -1659,6 +1662,7 @@ static inline int __mkroute_input(struct
                flags |= RTCF_DIRECTSRC;
  
        if (out_dev == in_dev && err && !(flags & (RTCF_NAT | RTCF_MASQ)) &&
@@ -78,7 +72,7 @@ Index: linux-2.6.23-rc6/net/ipv4/route.c
            (IN_DEV_SHARED_MEDIA(out_dev) ||
             inet_addr_onlink(out_dev, saddr, FIB_RES_GW(*res))))
                flags |= RTCF_DOREDIRECT;
-@@ -1692,6 +1696,7 @@
+@@ -1692,6 +1696,7 @@ static inline int __mkroute_input(struct
        rth->fl.mark    = skb->mark;
        rth->fl.fl4_src = saddr;
        rth->rt_src     = saddr;
@@ -86,7 +80,7 @@ Index: linux-2.6.23-rc6/net/ipv4/route.c
        rth->rt_gateway = daddr;
        rth->rt_iif     =
                rth->fl.iif     = in_dev->dev->ifindex;
-@@ -1699,6 +1704,7 @@
+@@ -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;
@@ -94,7 +88,7 @@ Index: linux-2.6.23-rc6/net/ipv4/route.c
        rth->rt_spec_dst= spec_dst;
  
        rth->u.dst.input = ip_forward;
-@@ -1720,19 +1726,21 @@
+@@ -1720,19 +1726,21 @@ static inline int ip_mkroute_input(struc
                                   struct fib_result* res,
                                   const struct flowi *fl,
                                   struct in_device *in_dev,
@@ -119,7 +113,7 @@ Index: linux-2.6.23-rc6/net/ipv4/route.c
        if (err)
                return err;
  
-@@ -1752,18 +1760,18 @@
+@@ -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,
@@ -141,7 +135,7 @@ Index: linux-2.6.23-rc6/net/ipv4/route.c
        unsigned        flags = 0;
        u32             itag = 0;
        struct rtable * rth;
-@@ -1796,6 +1804,12 @@
+@@ -1796,6 +1804,12 @@ static int ip_route_input_slow(struct sk
        if (BADCLASS(daddr) || ZERONET(daddr) || LOOPBACK(daddr))
                goto martian_destination;
  
@@ -154,7 +148,7 @@ Index: linux-2.6.23-rc6/net/ipv4/route.c
        /*
         *      Now we are ready to route packet.
         */
-@@ -1805,6 +1819,10 @@
+@@ -1805,6 +1819,10 @@ static int ip_route_input_slow(struct sk
                goto no_route;
        }
        free_res = 1;
@@ -165,7 +159,7 @@ Index: linux-2.6.23-rc6/net/ipv4/route.c
  
        RT_CACHE_STAT_INC(in_slow_tot);
  
-@@ -1829,7 +1847,7 @@
+@@ -1829,7 +1847,7 @@ static int ip_route_input_slow(struct sk
        if (res.type != RTN_UNICAST)
                goto martian_destination;
  
@@ -174,7 +168,7 @@ Index: linux-2.6.23-rc6/net/ipv4/route.c
        if (err == -ENOBUFS)
                goto e_nobufs;
        if (err == -EINVAL)
-@@ -1844,6 +1862,8 @@
+@@ -1844,6 +1862,8 @@ out:     return err;
  brd_input:
        if (skb->protocol != htons(ETH_P_IP))
                goto e_inval;
@@ -183,7 +177,7 @@ Index: linux-2.6.23-rc6/net/ipv4/route.c
  
        if (ZERONET(saddr))
                spec_dst = inet_select_addr(dev, 0, RT_SCOPE_LINK);
-@@ -1884,6 +1904,7 @@
+@@ -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);
@@ -191,7 +185,7 @@ Index: linux-2.6.23-rc6/net/ipv4/route.c
        rth->rt_gateway = daddr;
        rth->rt_spec_dst= spec_dst;
        rth->u.dst.input= ip_local_deliver;
-@@ -1933,8 +1954,9 @@
+@@ -1933,8 +1954,9 @@ martian_source:
        goto e_inval;
  }
  
@@ -203,7 +197,7 @@ Index: linux-2.6.23-rc6/net/ipv4/route.c
  {
        struct rtable * rth;
        unsigned        hash;
-@@ -1949,6 +1971,7 @@
+@@ -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 &&
@@ -211,7 +205,7 @@ Index: linux-2.6.23-rc6/net/ipv4/route.c
                    rth->fl.oif == 0 &&
                    rth->fl.mark == skb->mark &&
                    rth->fl.fl4_tos == tos) {
-@@ -1995,7 +2018,19 @@
+@@ -1995,7 +2018,19 @@ int ip_route_input(struct sk_buff *skb, 
                rcu_read_unlock();
                return -EINVAL;
        }
@@ -232,7 +226,7 @@ Index: linux-2.6.23-rc6/net/ipv4/route.c
  }
  
  static inline int __mkroute_output(struct rtable **result,
-@@ -2067,6 +2102,7 @@
+@@ -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;
@@ -240,7 +234,7 @@ Index: linux-2.6.23-rc6/net/ipv4/route.c
        rth->fl.mark    = oldflp->mark;
        rth->rt_dst     = fl->fl4_dst;
        rth->rt_src     = fl->fl4_src;
-@@ -2145,6 +2181,7 @@
+@@ -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,
@@ -248,7 +242,7 @@ Index: linux-2.6.23-rc6/net/ipv4/route.c
                                        .tos = tos & IPTOS_RT_MASK,
                                        .scope = ((tos & RTO_ONLINK) ?
                                                  RT_SCOPE_LINK :
-@@ -2248,6 +2285,7 @@
+@@ -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;
@@ -256,7 +250,7 @@ Index: linux-2.6.23-rc6/net/ipv4/route.c
                res.type = RTN_LOCAL;
                flags |= RTCF_LOCAL;
                goto make_route;
-@@ -2255,7 +2293,7 @@
+@@ -2255,7 +2293,7 @@ static int ip_route_output_slow(struct r
  
        if (fib_lookup(&fl, &res)) {
                res.fi = NULL;
@@ -265,7 +259,7 @@ Index: linux-2.6.23-rc6/net/ipv4/route.c
                        /* Apparently, routing tables are wrong. Assume,
                           that the destination is on link.
  
-@@ -2295,6 +2333,7 @@
+@@ -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;
@@ -273,7 +267,7 @@ Index: linux-2.6.23-rc6/net/ipv4/route.c
                if (res.fi)
                        fib_info_put(res.fi);
                res.fi = NULL;
-@@ -2302,13 +2341,12 @@
+@@ -2302,13 +2341,12 @@ static int ip_route_output_slow(struct r
                goto make_route;
        }
  
@@ -290,7 +284,7 @@ Index: linux-2.6.23-rc6/net/ipv4/route.c
  
        if (!fl.fl4_src)
                fl.fl4_src = FIB_RES_PREFSRC(res);
-@@ -2345,6 +2383,7 @@
+@@ -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 &&
@@ -298,7 +292,7 @@ Index: linux-2.6.23-rc6/net/ipv4/route.c
                    rth->fl.mark == flp->mark &&
                    !((rth->fl.fl4_tos ^ flp->fl4_tos) &
                            (IPTOS_RT_MASK | RTO_ONLINK))) {
-@@ -3034,3 +3073,4 @@
+@@ -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);