netdev - [RFC bpf-next 2/9] net/ipv6: Rename rt6_multipath

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Message-Id: <20180425183449.25134-3-dsahern@gmail.com>
Date:   Wed, 25 Apr 2018 11:34:42 -0700
From:   David Ahern <dsahern@...il.com>
To:     netdev@...r.kernel.org, borkmann@...earbox.net, ast@...nel.org
Cc:     shm@...ulusnetworks.com, roopa@...ulusnetworks.com,
        brouer@...hat.com, toke@...e.dk, john.fastabend@...il.com,
        David Ahern <dsahern@...il.com>
Subject: [RFC bpf-next 2/9] net/ipv6: Rename rt6_multipath_select

Rename rt6_multipath_select to fib6_multipath_select and export it.
A later patch wants access to it similar to IPv4's fib_select_path.

Signed-off-by: David Ahern <dsahern@...il.com>
---
 include/net/ip6_fib.h |  5 +++++
 net/ipv6/route.c      | 17 +++++++++--------
 2 files changed, 14 insertions(+), 8 deletions(-)

diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h
index 5a16630179cb..80d76d8dc683 100644
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -376,6 +376,11 @@ 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_info *fib6_multipath_select(const struct net *net,
+					struct fib6_info *match,
+					struct flowi6 *fl6, int oif,
+					const struct sk_buff *skb, int strict);
+
 struct fib6_node *fib6_node_lookup(struct fib6_node *root,
 				   const struct in6_addr *daddr,
 				   const struct in6_addr *saddr);
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index e4082c612fcc..72c784add7a1 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -419,11 +419,11 @@ static bool rt6_check_expired(const struct rt6_info *rt)
 	return false;
 }
 
-static struct fib6_info *rt6_multipath_select(const struct net *net,
-					      struct fib6_info *match,
-					     struct flowi6 *fl6, int oif,
-					     const struct sk_buff *skb,
-					     int strict)
+struct fib6_info *fib6_multipath_select(const struct net *net,
+					struct fib6_info *match,
+					struct flowi6 *fl6, int oif,
+					const struct sk_buff *skb,
+					int strict)
 {
 	struct fib6_info *sibling, *next_sibling;
 
@@ -1068,8 +1068,9 @@ static struct rt6_info *ip6_pol_route_lookup(struct net *net,
 		f6i = rt6_device_match(net, f6i, &fl6->saddr,
 				      fl6->flowi6_oif, flags);
 		if (f6i->fib6_nsiblings && fl6->flowi6_oif == 0)
-			f6i = rt6_multipath_select(net, f6i, fl6,
-						   fl6->flowi6_oif, skb, flags);
+			f6i = fib6_multipath_select(net, f6i, fl6,
+						    fl6->flowi6_oif, skb,
+						    flags);
 	}
 	if (f6i == net->ipv6.fib6_null_entry) {
 		fn = fib6_backtrack(fn, &fl6->saddr);
@@ -1823,7 +1824,7 @@ struct rt6_info *ip6_pol_route(struct net *net, struct fib6_table *table,
 redo_rt6_select:
 	f6i = rt6_select(net, fn, oif, strict);
 	if (f6i->fib6_nsiblings)
-		f6i = rt6_multipath_select(net, f6i, fl6, oif, skb, strict);
+		f6i = fib6_multipath_select(net, f6i, fl6, oif, skb, strict);
 	if (f6i == net->ipv6.fib6_null_entry) {
 		fn = fib6_backtrack(fn, &fl6->saddr);
 		if (fn)
-- 
2.11.0