From d4bea421f7322400d804c2284739e42e61f78349 Mon Sep 17 00:00:00 2001 From: David Ahern Date: Wed, 9 May 2018 20:34:24 -0700 Subject: net/ipv6: Update fib6 tracepoint to take fib6_info Similar to IPv4, IPv6 should use the FIB lookup result in the tracepoint. Signed-off-by: David Ahern Acked-by: David S. Miller Signed-off-by: Daniel Borkmann --- net/ipv6/route.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) (limited to 'net/ipv6') diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 019d8ba9021e..73f9c29a5878 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -1078,6 +1078,8 @@ restart: goto restart; } + trace_fib6_table_lookup(net, f6i, table, fl6); + /* Search through exception table */ rt = rt6_find_cached_rt(f6i, &fl6->daddr, &fl6->saddr); if (rt) { @@ -1096,8 +1098,6 @@ restart: rcu_read_unlock(); - trace_fib6_table_lookup(net, rt, table, fl6); - return rt; } @@ -1827,6 +1827,8 @@ redo_rt6_select: } } + trace_fib6_table_lookup(net, f6i, table, fl6); + return f6i; } @@ -1853,7 +1855,6 @@ struct rt6_info *ip6_pol_route(struct net *net, struct fib6_table *table, rt = net->ipv6.ip6_null_entry; rcu_read_unlock(); dst_hold(&rt->dst); - trace_fib6_table_lookup(net, rt, table, fl6); return rt; } @@ -1864,7 +1865,6 @@ struct rt6_info *ip6_pol_route(struct net *net, struct fib6_table *table, dst_use_noref(&rt->dst, jiffies); rcu_read_unlock(); - trace_fib6_table_lookup(net, rt, table, fl6); return rt; } else if (unlikely((fl6->flowi6_flags & FLOWI_FLAG_KNOWN_NH) && !(f6i->fib6_flags & RTF_GATEWAY))) { @@ -1890,9 +1890,7 @@ struct rt6_info *ip6_pol_route(struct net *net, struct fib6_table *table, dst_hold(&uncached_rt->dst); } - trace_fib6_table_lookup(net, uncached_rt, table, fl6); return uncached_rt; - } else { /* Get a percpu copy */ @@ -1906,7 +1904,7 @@ struct rt6_info *ip6_pol_route(struct net *net, struct fib6_table *table, local_bh_enable(); rcu_read_unlock(); - trace_fib6_table_lookup(net, pcpu_rt, table, fl6); + return pcpu_rt; } } @@ -2491,7 +2489,7 @@ out: rcu_read_unlock(); - trace_fib6_table_lookup(net, ret, table, fl6); + trace_fib6_table_lookup(net, rt, table, fl6); return ret; }; -- cgit v1.2.3