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authorDavid S. Miller <davem@davemloft.net>2011-03-24 18:06:47 -0700
committerDavid S. Miller <davem@davemloft.net>2011-03-24 18:06:47 -0700
commit37e826c513883099c298317bad1b3b677b2905fb (patch)
treea032cfe69e0cde179d86eba157cf9dc85d67df86 /net/ipv4/fib_trie.c
parent436c3b66ec9824a633724ae42de1c416af4f2063 (diff)
downloadblackbird-op-linux-37e826c513883099c298317bad1b3b677b2905fb.tar.gz
blackbird-op-linux-37e826c513883099c298317bad1b3b677b2905fb.zip
ipv4: Fix nexthop caching wrt. scoping.
Move the scope value out of the fib alias entries and into fib_info, so that we always use the correct scope when recomputing the nexthop cached source address. Reported-by: Julian Anastasov <ja@ssi.bg> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/fib_trie.c')
-rw-r--r--net/ipv4/fib_trie.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index ac87a49ad50b..90a3ff605591 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -1245,7 +1245,6 @@ int fib_table_insert(struct fib_table *tb, struct fib_config *cfg)
if (fa->fa_info->fib_priority != fi->fib_priority)
break;
if (fa->fa_type == cfg->fc_type &&
- fa->fa_scope == cfg->fc_scope &&
fa->fa_info == fi) {
fa_match = fa;
break;
@@ -1271,7 +1270,6 @@ int fib_table_insert(struct fib_table *tb, struct fib_config *cfg)
new_fa->fa_tos = fa->fa_tos;
new_fa->fa_info = fi;
new_fa->fa_type = cfg->fc_type;
- new_fa->fa_scope = cfg->fc_scope;
state = fa->fa_state;
new_fa->fa_state = state & ~FA_S_ACCESSED;
@@ -1308,7 +1306,6 @@ int fib_table_insert(struct fib_table *tb, struct fib_config *cfg)
new_fa->fa_info = fi;
new_fa->fa_tos = tos;
new_fa->fa_type = cfg->fc_type;
- new_fa->fa_scope = cfg->fc_scope;
new_fa->fa_state = 0;
/*
* Insert new entry to the list.
@@ -1362,7 +1359,7 @@ static int check_leaf(struct fib_table *tb, struct trie *t, struct leaf *l,
if (fa->fa_tos && fa->fa_tos != flp->flowi4_tos)
continue;
- if (fa->fa_scope < flp->flowi4_scope)
+ if (fa->fa_info->fib_scope < flp->flowi4_scope)
continue;
fib_alias_accessed(fa);
err = fib_props[fa->fa_type].error;
@@ -1388,7 +1385,7 @@ static int check_leaf(struct fib_table *tb, struct trie *t, struct leaf *l,
res->prefixlen = plen;
res->nh_sel = nhsel;
res->type = fa->fa_type;
- res->scope = fa->fa_scope;
+ res->scope = fa->fa_info->fib_scope;
res->fi = fi;
res->table = tb;
res->fa_head = &li->falh;
@@ -1664,7 +1661,7 @@ int fib_table_delete(struct fib_table *tb, struct fib_config *cfg)
if ((!cfg->fc_type || fa->fa_type == cfg->fc_type) &&
(cfg->fc_scope == RT_SCOPE_NOWHERE ||
- fa->fa_scope == cfg->fc_scope) &&
+ fa->fa_info->fib_scope == cfg->fc_scope) &&
(!cfg->fc_prefsrc ||
fi->fib_prefsrc == cfg->fc_prefsrc) &&
(!cfg->fc_protocol ||
@@ -1863,7 +1860,6 @@ static int fn_trie_dump_fa(t_key key, int plen, struct list_head *fah,
RTM_NEWROUTE,
tb->tb_id,
fa->fa_type,
- fa->fa_scope,
xkey,
plen,
fa->fa_tos,
@@ -2384,7 +2380,7 @@ static int fib_trie_seq_show(struct seq_file *seq, void *v)
seq_indent(seq, iter->depth+1);
seq_printf(seq, " /%d %s %s", li->plen,
rtn_scope(buf1, sizeof(buf1),
- fa->fa_scope),
+ fa->fa_info->fib_scope),
rtn_type(buf2, sizeof(buf2),
fa->fa_type));
if (fa->fa_tos)
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