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net/ipv6: Update fib6 tracepoint to take fib6_info

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Similar to IPv4, IPv6 should use the FIB lookup result in the
tracepoint.

Signed-off-by: David Ahern <dsahern@gmail.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
David Ahern
2018-05-09 20:34:24 -07:00
committed by Daniel Borkmann
parent 138118ec96
commit d4bea421f7
2 changed files with 13 additions and 15 deletions
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14
net/ipv6/route.c
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@@ -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;
};