From 1328042e268c936189f15eba5bd9a5a4605a8581 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Tue, 22 Jan 2008 21:54:37 -0800 Subject: [PATCH] [IPV4] fib_trie: use hash list The code to dump can use the existing hash chain rather than doing repeated lookup. Signed-off-by: Stephen Hemminger Signed-off-by: David S. Miller --- net/ipv4/fib_trie.c | 49 ++++++++++++++++++++++++------------------------- 1 file changed, 24 insertions(+), 25 deletions(-) diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c index 1a9231f..c19d685 100644 --- a/net/ipv4/fib_trie.c +++ b/net/ipv4/fib_trie.c @@ -2399,31 +2399,30 @@ static int fib_trie_seq_show(struct seq_file *seq, void *v) } else { struct leaf *l = (struct leaf *) n; - int i; + struct leaf_info *li; + struct hlist_node *node; + __be32 val = htonl(l->key); seq_indent(seq, iter->depth); seq_printf(seq, " |-- %d.%d.%d.%d\n", NIPQUAD(val)); - for (i = 32; i >= 0; i--) { - struct leaf_info *li = find_leaf_info(l, i); - - if (li) { - struct fib_alias *fa; - - list_for_each_entry_rcu(fa, &li->falh, fa_list) { - char buf1[32], buf2[32]; - - seq_indent(seq, iter->depth+1); - seq_printf(seq, " /%d %s %s", i, - rtn_scope(buf1, sizeof(buf1), - fa->fa_scope), - rtn_type(buf2, sizeof(buf2), - fa->fa_type)); - if (fa->fa_tos) - seq_printf(seq, "tos =%d\n", - fa->fa_tos); - seq_putc(seq, '\n'); - } + + hlist_for_each_entry_rcu(li, node, &l->list, hlist) { + struct fib_alias *fa; + + list_for_each_entry_rcu(fa, &li->falh, fa_list) { + char buf1[32], buf2[32]; + + seq_indent(seq, iter->depth+1); + seq_printf(seq, " /%d %s %s", li->plen, + rtn_scope(buf1, sizeof(buf1), + fa->fa_scope), + rtn_type(buf2, sizeof(buf2), + fa->fa_type)); + if (fa->fa_tos) + seq_printf(seq, "tos =%d\n", + fa->fa_tos); + seq_putc(seq, '\n'); } } } @@ -2477,8 +2476,8 @@ static int fib_route_seq_show(struct seq_file *seq, void *v) { const struct fib_trie_iter *iter = seq->private; struct leaf *l = v; - int i; - char bf[128]; + struct leaf_info *li; + struct hlist_node *node; if (v == SEQ_START_TOKEN) { seq_printf(seq, "%-127s\n", "Iface\tDestination\tGateway " @@ -2493,8 +2492,7 @@ static int fib_route_seq_show(struct seq_file *seq, void *v) if (IS_TNODE(l)) return 0; - for (i = 32; i >= 0; i--) { - struct leaf_info *li = find_leaf_info(l, i); + hlist_for_each_entry_rcu(li, node, &l->list, hlist) { struct fib_alias *fa; __be32 mask, prefix; @@ -2507,6 +2505,7 @@ static int fib_route_seq_show(struct seq_file *seq, void *v) list_for_each_entry_rcu(fa, &li->falh, fa_list) { const struct fib_info *fi = fa->fa_info; unsigned flags = fib_flag_trans(fa->fa_type, mask, fi); + char bf[128]; if (fa->fa_type == RTN_BROADCAST || fa->fa_type == RTN_MULTICAST) -- 2.7.4