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Commit 1328042e authored by Stephen Hemminger's avatar Stephen Hemminger Committed by David S. Miller
Browse files

[IPV4] fib_trie: use hash list 



The code to dump can use the existing hash chain rather than doing
repeated lookup.

Signed-off-by: default avatarStephen Hemminger <stephen.hemminger@vyatta.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 93672292

net/ipv4/fib_trie.c

+24 −25
Original line number Diff line number Diff line
@@ -2399,22 +2399,22 @@ 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) {

		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", i,

				seq_printf(seq, "  /%d %s %s", li->plen,

					   rtn_scope(buf1, sizeof(buf1),

						     fa->fa_scope),

					   rtn_type(buf2, sizeof(buf2),
@@ -2426,7 +2426,6 @@ static int fib_trie_seq_show(struct seq_file *seq, void *v) 
			}

		}

	}

	}



	return 0;

}
@@ -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)