[DCCP] ackvec: Split long ack vectors across multiple options

[linux-2.6-omap-h63xx.git] / net / ipv4 / route.c

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index c41ddba02e9d3553dac0f4aca6d7c5c8b9975584..ee00b6506ab41cb2d8cdc962322892d4426fd6c7 100644 (file)
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -566,9 +566,13 @@ static inline u32 rt_score(struct rtable *rt)
 
 static inline int compare_keys(struct flowi *fl1, struct flowi *fl2)
 {
-       return memcmp(&fl1->nl_u.ip4_u, &fl2->nl_u.ip4_u, sizeof(fl1->nl_u.ip4_u)) == 0 &&
-              fl1->oif     == fl2->oif &&
-              fl1->iif     == fl2->iif;
+       return ((__force u32)((fl1->nl_u.ip4_u.daddr ^ fl2->nl_u.ip4_u.daddr) |
+               (fl1->nl_u.ip4_u.saddr ^ fl2->nl_u.ip4_u.saddr)) |
+               (fl1->mark ^ fl2->mark) |
+               (*(u16 *)&fl1->nl_u.ip4_u.tos ^
+                *(u16 *)&fl2->nl_u.ip4_u.tos) |
+               (fl1->oif ^ fl2->oif) |
+               (fl1->iif ^ fl2->iif)) == 0;
 }
 
 #ifdef CONFIG_IP_ROUTE_MULTIPATH_CACHED
@@ -1637,9 +1641,7 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr,
        rth->fl.fl4_dst = daddr;
        rth->rt_dst     = daddr;
        rth->fl.fl4_tos = tos;
-#ifdef CONFIG_IP_ROUTE_FWMARK
-       rth->fl.fl4_fwmark= skb->nfmark;
-#endif
+       rth->fl.mark    = skb->mark;
        rth->fl.fl4_src = saddr;
        rth->rt_src     = saddr;
 #ifdef CONFIG_NET_CLS_ROUTE
@@ -1783,9 +1785,7 @@ static inline int __mkroute_input(struct sk_buff *skb,
        rth->fl.fl4_dst = daddr;
        rth->rt_dst     = daddr;
        rth->fl.fl4_tos = tos;
-#ifdef CONFIG_IP_ROUTE_FWMARK
-       rth->fl.fl4_fwmark= skb->nfmark;
-#endif
+       rth->fl.mark    = skb->mark;
        rth->fl.fl4_src = saddr;
        rth->rt_src     = saddr;
        rth->rt_gateway = daddr;
@@ -1914,10 +1914,8 @@ static int ip_route_input_slow(struct sk_buff *skb, __be32 daddr, __be32 saddr,
                                        .saddr = saddr,
                                        .tos = tos,
                                        .scope = RT_SCOPE_UNIVERSE,
-#ifdef CONFIG_IP_ROUTE_FWMARK
-                                       .fwmark = skb->nfmark
-#endif
                                      } },
+                           .mark = skb->mark,
                            .iif = dev->ifindex };
        unsigned        flags = 0;
        u32             itag = 0;
@@ -2028,9 +2026,7 @@ local_input:
        rth->fl.fl4_dst = daddr;
        rth->rt_dst     = daddr;
        rth->fl.fl4_tos = tos;
-#ifdef CONFIG_IP_ROUTE_FWMARK
-       rth->fl.fl4_fwmark= skb->nfmark;
-#endif
+       rth->fl.mark    = skb->mark;
        rth->fl.fl4_src = saddr;
        rth->rt_src     = saddr;
 #ifdef CONFIG_NET_CLS_ROUTE
@@ -2107,9 +2103,7 @@ int ip_route_input(struct sk_buff *skb, __be32 daddr, __be32 saddr,
                    rth->fl.fl4_src == saddr &&
                    rth->fl.iif == iif &&
                    rth->fl.oif == 0 &&
-#ifdef CONFIG_IP_ROUTE_FWMARK
-                   rth->fl.fl4_fwmark == skb->nfmark &&
-#endif
+                   rth->fl.mark == skb->mark &&
                    rth->fl.fl4_tos == tos) {
                        rth->u.dst.lastuse = jiffies;
                        dst_hold(&rth->u.dst);
@@ -2233,9 +2227,7 @@ static inline int __mkroute_output(struct rtable **result,
        rth->fl.fl4_tos = tos;
        rth->fl.fl4_src = oldflp->fl4_src;
        rth->fl.oif     = oldflp->oif;
-#ifdef CONFIG_IP_ROUTE_FWMARK
-       rth->fl.fl4_fwmark= oldflp->fl4_fwmark;
-#endif
+       rth->fl.mark    = oldflp->mark;
        rth->rt_dst     = fl->fl4_dst;
        rth->rt_src     = fl->fl4_src;
        rth->rt_iif     = oldflp->oif ? : dev_out->ifindex;
@@ -2379,10 +2371,8 @@ static int ip_route_output_slow(struct rtable **rp, const struct flowi *oldflp)
                                        .scope = ((tos & RTO_ONLINK) ?
                                                  RT_SCOPE_LINK :
                                                  RT_SCOPE_UNIVERSE),
-#ifdef CONFIG_IP_ROUTE_FWMARK
-                                       .fwmark = oldflp->fl4_fwmark
-#endif
                                      } },
+                           .mark = oldflp->mark,
                            .iif = loopback_dev.ifindex,
                            .oif = oldflp->oif };
        struct fib_result res;
@@ -2577,9 +2567,7 @@ int __ip_route_output_key(struct rtable **rp, const struct flowi *flp)
                    rth->fl.fl4_src == flp->fl4_src &&
                    rth->fl.iif == 0 &&
                    rth->fl.oif == flp->oif &&
-#ifdef CONFIG_IP_ROUTE_FWMARK
-                   rth->fl.fl4_fwmark == flp->fl4_fwmark &&
-#endif
+                   rth->fl.mark == flp->mark &&
                    !((rth->fl.fl4_tos ^ flp->fl4_tos) &
                            (IPTOS_RT_MASK | RTO_ONLINK))) {