[IPV6] ROUTE: Unify RT6_F_xxx and RT6_SELECT_F_xxx flags
Unify RT6_F_xxx and RT6_SELECT_F_xxx flags into
RT6_LOOKUP_F_xxx flags, and put them into ip6_route.h
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Acked-by: Ville Nuorvala <vnuorval@tcs.hut.fi
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index fd6f2ec..2069128 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -76,9 +76,6 @@
#define CLONE_OFFLINK_ROUTE 0
-#define RT6_SELECT_F_IFACE 0x1
-#define RT6_SELECT_F_REACHABLE 0x2
-
static int ip6_rt_max_size = 4096;
static int ip6_rt_gc_min_interval = HZ / 2;
static int ip6_rt_gc_timeout = 60*HZ;
@@ -340,7 +337,7 @@
int m, n;
m = rt6_check_dev(rt, oif);
- if (!m && (strict & RT6_SELECT_F_IFACE))
+ if (!m && (strict & RT6_LOOKUP_F_IFACE))
return -1;
#ifdef CONFIG_IPV6_ROUTER_PREF
m |= IPV6_DECODE_PREF(IPV6_EXTRACT_PREF(rt->rt6i_flags)) << 2;
@@ -348,7 +345,7 @@
n = rt6_check_neigh(rt);
if (n > 1)
m |= 16;
- else if (!n && strict & RT6_SELECT_F_REACHABLE)
+ else if (!n && strict & RT6_LOOKUP_F_REACHABLE)
return -1;
return m;
}
@@ -388,7 +385,7 @@
}
if (!match &&
- (strict & RT6_SELECT_F_REACHABLE) &&
+ (strict & RT6_LOOKUP_F_REACHABLE) &&
last && last != rt0) {
/* no entries matched; do round-robin */
static DEFINE_SPINLOCK(lock);
@@ -511,7 +508,7 @@
fn = fib6_lookup(&table->tb6_root, &fl->fl6_dst, &fl->fl6_src);
restart:
rt = fn->leaf;
- rt = rt6_device_match(rt, fl->oif, flags & RT6_F_STRICT);
+ rt = rt6_device_match(rt, fl->oif, flags);
BACKTRACK(&fl->fl6_src);
dst_hold(&rt->u.dst);
out:
@@ -537,7 +534,7 @@
},
};
struct dst_entry *dst;
- int flags = strict ? RT6_F_STRICT : 0;
+ int flags = strict ? RT6_LOOKUP_F_IFACE : 0;
dst = fib6_rule_lookup(&fl, flags, ip6_pol_route_lookup);
if (dst->error == 0)
@@ -633,10 +630,9 @@
int strict = 0;
int attempts = 3;
int err;
- int reachable = RT6_SELECT_F_REACHABLE;
+ int reachable = RT6_LOOKUP_F_REACHABLE;
- if (flags & RT6_F_STRICT)
- strict = RT6_SELECT_F_IFACE;
+ strict |= flags & RT6_LOOKUP_F_IFACE;
relookup:
read_lock_bh(&table->tb6_lock);
@@ -712,10 +708,7 @@
},
.proto = iph->nexthdr,
};
- int flags = 0;
-
- if (rt6_need_strict(&iph->daddr))
- flags |= RT6_F_STRICT;
+ int flags = rt6_need_strict(&iph->daddr) ? RT6_LOOKUP_F_IFACE : 0;
skb->dst = fib6_rule_lookup(&fl, flags, ip6_pol_route_input);
}
@@ -728,10 +721,9 @@
int strict = 0;
int attempts = 3;
int err;
- int reachable = RT6_SELECT_F_REACHABLE;
+ int reachable = RT6_LOOKUP_F_REACHABLE;
- if (flags & RT6_F_STRICT)
- strict = RT6_SELECT_F_IFACE;
+ strict |= flags & RT6_LOOKUP_F_IFACE;
relookup:
read_lock_bh(&table->tb6_lock);
@@ -797,7 +789,7 @@
int flags = 0;
if (rt6_need_strict(&fl->fl6_dst))
- flags |= RT6_F_STRICT;
+ flags |= RT6_LOOKUP_F_IFACE;
return fib6_rule_lookup(fl, flags, ip6_pol_route_output);
}
@@ -1362,7 +1354,7 @@
},
.gateway = *gateway,
};
- int flags = rt6_need_strict(dest) ? RT6_F_STRICT : 0;
+ int flags = rt6_need_strict(dest) ? RT6_LOOKUP_F_IFACE : 0;
return (struct rt6_info *)fib6_rule_lookup((struct flowi *)&rdfl, flags, __ip6_route_redirect);
}