net: ipv4: Save trie prefix to fib lookup result
Prefix is needed for returning matching route spec on get route request.
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
index 42e8b8f..25f5c51 100644
--- a/include/net/ip_fib.h
+++ b/include/net/ip_fib.h
@@ -136,6 +136,7 @@ struct fib_rule;
struct fib_table;
struct fib_result {
+ __be32 prefix;
unsigned char prefixlen;
unsigned char nh_sel;
unsigned char type;
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 6d0f6c79..6e9df7d 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -1452,6 +1452,7 @@ int fib_table_lookup(struct fib_table *tb, const struct flowi4 *flp,
if (!(fib_flags & FIB_LOOKUP_NOREF))
atomic_inc(&fi->fib_clntref);
+ res->prefix = htonl(n->key);
res->prefixlen = KEYLENGTH - fa->fa_slen;
res->nh_sel = nhsel;
res->type = fa->fa_type;
