diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv4/fib_trie.c | 47 |
1 files changed, 34 insertions, 13 deletions
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c index 1010b469d7d3..13a80aa911d8 100644 --- a/net/ipv4/fib_trie.c +++ b/net/ipv4/fib_trie.c @@ -164,7 +164,6 @@ static struct tnode *halve(struct trie *t, struct tnode *tn); static void tnode_free(struct tnode *tn); static struct kmem_cache *fn_alias_kmem __read_mostly; -static struct trie *trie_local = NULL, *trie_main = NULL; static inline struct tnode *node_parent(struct node *node) { @@ -2003,11 +2002,6 @@ struct fib_table * __init fib_hash_init(u32 id) trie_init(t); if (id == RT_TABLE_LOCAL) - trie_local = t; - else if (id == RT_TABLE_MAIN) - trie_main = t; - - if (id == RT_TABLE_LOCAL) printk(KERN_INFO "IPv4 FIB: Using LC-trie version %s\n", VERSION); return tb; @@ -2016,6 +2010,7 @@ struct fib_table * __init fib_hash_init(u32 id) #ifdef CONFIG_PROC_FS /* Depth first Trie walk iterator */ struct fib_trie_iter { + struct trie *trie_local, *trie_main; struct tnode *tnode; struct trie *trie; unsigned index; @@ -2182,7 +2177,20 @@ static void trie_show_stats(struct seq_file *seq, struct trie_stat *stat) static int fib_triestat_seq_show(struct seq_file *seq, void *v) { + struct trie *trie_local, *trie_main; struct trie_stat *stat; + struct fib_table *tb; + + trie_local = NULL; + tb = fib_get_table(RT_TABLE_LOCAL); + if (tb) + trie_local = (struct trie *) tb->tb_data; + + trie_main = NULL; + tb = fib_get_table(RT_TABLE_MAIN); + if (tb) + trie_main = (struct trie *) tb->tb_data; + stat = kmalloc(sizeof(*stat), GFP_KERNEL); if (!stat) @@ -2226,13 +2234,13 @@ static struct node *fib_trie_get_idx(struct fib_trie_iter *iter, loff_t idx = 0; struct node *n; - for (n = fib_trie_get_first(iter, trie_local); + for (n = fib_trie_get_first(iter, iter->trie_local); n; ++idx, n = fib_trie_get_next(iter)) { if (pos == idx) return n; } - for (n = fib_trie_get_first(iter, trie_main); + for (n = fib_trie_get_first(iter, iter->trie_main); n; ++idx, n = fib_trie_get_next(iter)) { if (pos == idx) return n; @@ -2242,10 +2250,23 @@ static struct node *fib_trie_get_idx(struct fib_trie_iter *iter, static void *fib_trie_seq_start(struct seq_file *seq, loff_t *pos) { + struct fib_trie_iter *iter = seq->private; + struct fib_table *tb; + + if (!iter->trie_local) { + tb = fib_get_table(RT_TABLE_LOCAL); + if (tb) + iter->trie_local = (struct trie *) tb->tb_data; + } + if (!iter->trie_main) { + tb = fib_get_table(RT_TABLE_MAIN); + if (tb) + iter->trie_main = (struct trie *) tb->tb_data; + } rcu_read_lock(); if (*pos == 0) return SEQ_START_TOKEN; - return fib_trie_get_idx(seq->private, *pos - 1); + return fib_trie_get_idx(iter, *pos - 1); } static void *fib_trie_seq_next(struct seq_file *seq, void *v, loff_t *pos) @@ -2263,8 +2284,8 @@ static void *fib_trie_seq_next(struct seq_file *seq, void *v, loff_t *pos) return v; /* continue scan in next trie */ - if (iter->trie == trie_local) - return fib_trie_get_first(iter, trie_main); + if (iter->trie == iter->trie_local) + return fib_trie_get_first(iter, iter->trie_main); return NULL; } @@ -2330,7 +2351,7 @@ static int fib_trie_seq_show(struct seq_file *seq, void *v) return 0; if (!node_parent(n)) { - if (iter->trie == trie_local) + if (iter->trie == iter->trie_local) seq_puts(seq, "<local>:\n"); else seq_puts(seq, "<main>:\n"); @@ -2429,7 +2450,7 @@ static int fib_route_seq_show(struct seq_file *seq, void *v) return 0; } - if (iter->trie == trie_local) + if (iter->trie == iter->trie_local) return 0; if (IS_TNODE(l)) return 0; |