[PATCH net-next 5/7] net: ipv4: Save trie prefix to fib lookup result

[David Ahern]

Prefix is needed for returning matching route spec on get route request.

Signed-off-by: David Ahern <d...@cumulusnetworks.com>
---
 include/net/ip_fib.h | 1 +
 net/ipv4/fib_trie.c  | 1 +
 2 files changed, 2 insertions(+)

diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
index 57c2a863d0b2..f2cc345852d7 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 2919d1a10cfd..2fc5793cce36 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -1544,6 +1544,7 @@ 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;
-- 
2.1.4