netdev - [bpf-next v2 1/9] net/ipv6: Rename fib6_lookup to fib6_node

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Message-Id: <20180504025432.23451-2-dsahern@gmail.com>
Date:   Thu,  3 May 2018 19:54:24 -0700
From:   David Ahern <dsahern@...il.com>
To:     netdev@...r.kernel.org, borkmann@...earbox.net, ast@...nel.org
Cc:     davem@...emloft.net, shm@...ulusnetworks.com,
        roopa@...ulusnetworks.com, brouer@...hat.com, toke@...e.dk,
        john.fastabend@...il.com, David Ahern <dsahern@...il.com>
Subject: [bpf-next v2 1/9] net/ipv6: Rename fib6_lookup to fib6_node_lookup

Rename fib6_lookup to fib6_node_lookup to better reflect what it
returns. The fib6_lookup name will be used in a later patch for
an IPv6 equivalent to IPv4's fib_lookup.

Signed-off-by: David Ahern <dsahern@...il.com>
---
 include/net/ip6_fib.h |  6 +++---
 net/ipv6/ip6_fib.c    | 14 ++++++++------
 net/ipv6/route.c      |  8 ++++----
 3 files changed, 15 insertions(+), 13 deletions(-)

diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h
index 1af450d4e923..5a16630179cb 100644
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -376,9 +376,9 @@ struct dst_entry *fib6_rule_lookup(struct net *net, struct flowi6 *fl6,
 				   const struct sk_buff *skb,
 				   int flags, pol_lookup_t lookup);
 
-struct fib6_node *fib6_lookup(struct fib6_node *root,
-			      const struct in6_addr *daddr,
-			      const struct in6_addr *saddr);
+struct fib6_node *fib6_node_lookup(struct fib6_node *root,
+				   const struct in6_addr *daddr,
+				   const struct in6_addr *saddr);
 
 struct fib6_node *fib6_locate(struct fib6_node *root,
 			      const struct in6_addr *daddr, int dst_len,
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 6421c893466e..4cfffa0f676e 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -1354,8 +1354,8 @@ struct lookup_args {
 	const struct in6_addr	*addr;		/* search key			*/
 };
 
-static struct fib6_node *fib6_lookup_1(struct fib6_node *root,
-				       struct lookup_args *args)
+static struct fib6_node *fib6_node_lookup_1(struct fib6_node *root,
+					    struct lookup_args *args)
 {
 	struct fib6_node *fn;
 	__be32 dir;
@@ -1400,7 +1400,8 @@ static struct fib6_node *fib6_lookup_1(struct fib6_node *root,
 #ifdef CONFIG_IPV6_SUBTREES
 				if (subtree) {
 					struct fib6_node *sfn;
-					sfn = fib6_lookup_1(subtree, args + 1);
+					sfn = fib6_node_lookup_1(subtree,
+								 args + 1);
 					if (!sfn)
 						goto backtrack;
 					fn = sfn;
@@ -1422,8 +1423,9 @@ static struct fib6_node *fib6_lookup_1(struct fib6_node *root,
 
 /* called with rcu_read_lock() held
  */
-struct fib6_node *fib6_lookup(struct fib6_node *root, const struct in6_addr *daddr,
-			      const struct in6_addr *saddr)
+struct fib6_node *fib6_node_lookup(struct fib6_node *root,
+				   const struct in6_addr *daddr,
+				   const struct in6_addr *saddr)
 {
 	struct fib6_node *fn;
 	struct lookup_args args[] = {
@@ -1442,7 +1444,7 @@ struct fib6_node *fib6_lookup(struct fib6_node *root, const struct in6_addr *dad
 		}
 	};
 
-	fn = fib6_lookup_1(root, daddr ? args : args + 1);
+	fn = fib6_node_lookup_1(root, daddr ? args : args + 1);
 	if (!fn || fn->fn_flags & RTN_TL_ROOT)
 		fn = root;
 
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 7ee0a34fba46..d903db30dfff 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -1006,7 +1006,7 @@ static struct fib6_node* fib6_backtrack(struct fib6_node *fn,
 		pn = rcu_dereference(fn->parent);
 		sn = FIB6_SUBTREE(pn);
 		if (sn && sn != fn)
-			fn = fib6_lookup(sn, NULL, saddr);
+			fn = fib6_node_lookup(sn, NULL, saddr);
 		else
 			fn = pn;
 		if (fn->fn_flags & RTN_RTINFO)
@@ -1059,7 +1059,7 @@ static struct rt6_info *ip6_pol_route_lookup(struct net *net,
 		flags &= ~RT6_LOOKUP_F_IFACE;
 
 	rcu_read_lock();
-	fn = fib6_lookup(&table->tb6_root, &fl6->daddr, &fl6->saddr);
+	fn = fib6_node_lookup(&table->tb6_root, &fl6->daddr, &fl6->saddr);
 restart:
 	f6i = rcu_dereference(fn->leaf);
 	if (!f6i) {
@@ -1815,7 +1815,7 @@ struct rt6_info *ip6_pol_route(struct net *net, struct fib6_table *table,
 
 	rcu_read_lock();
 
-	fn = fib6_lookup(&table->tb6_root, &fl6->daddr, &fl6->saddr);
+	fn = fib6_node_lookup(&table->tb6_root, &fl6->daddr, &fl6->saddr);
 	saved_fn = fn;
 
 	if (fl6->flowi6_flags & FLOWI_FLAG_SKIP_NH_OIF)
@@ -2420,7 +2420,7 @@ static struct rt6_info *__ip6_route_redirect(struct net *net,
 	 */
 
 	rcu_read_lock();
-	fn = fib6_lookup(&table->tb6_root, &fl6->daddr, &fl6->saddr);
+	fn = fib6_node_lookup(&table->tb6_root, &fl6->daddr, &fl6->saddr);
 restart:
 	for_each_fib6_node_rt_rcu(fn) {
 		if (rt->fib6_nh.nh_flags & RTNH_F_DEAD)
-- 
2.11.0