ipv4: Create and use route lookup helpers.

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / net / route.h

diff --git a/include/net/route.h b/include/net/route.h
index 9257f5f17337d1f3f5e208ec21d38dda0500e600..f140f4130fea3a3e160e2e772d64b0c5e2a7d912 100644 (file)
--- a/include/net/route.h
+++ b/include/net/route.h
@@ -132,6 +132,54 @@ static inline struct rtable *ip_route_output_key(struct net *net, struct flowi *
        return ip_route_output_flow(net, flp, NULL);
 }
 
+static inline struct rtable *ip_route_output(struct net *net, __be32 daddr,
+                                            __be32 saddr, u8 tos, int oif)
+{
+       struct flowi fl = {
+               .oif = oif,
+               .fl4_dst = daddr,
+               .fl4_src = saddr,
+               .fl4_tos = tos,
+       };
+       return ip_route_output_key(net, &fl);
+}
+
+static inline struct rtable *ip_route_output_ports(struct net *net, struct sock *sk,
+                                                  __be32 daddr, __be32 saddr,
+                                                  __be16 dport, __be16 sport,
+                                                  __u8 proto, __u8 tos, int oif)
+{
+       struct flowi fl = {
+               .oif = oif,
+               .flags = sk ? inet_sk_flowi_flags(sk) : 0,
+               .mark = sk ? sk->sk_mark : 0,
+               .fl4_dst = daddr,
+               .fl4_src = saddr,
+               .fl4_tos = tos,
+               .proto = proto,
+               .fl_ip_dport = dport,
+               .fl_ip_sport = sport,
+       };
+       if (sk)
+               security_sk_classify_flow(sk, &fl);
+       return ip_route_output_flow(net, &fl, sk);
+}
+
+static inline struct rtable *ip_route_output_gre(struct net *net,
+                                                __be32 daddr, __be32 saddr,
+                                                __be32 gre_key, __u8 tos, int oif)
+{
+       struct flowi fl = {
+               .oif = oif,
+               .fl4_dst = daddr,
+               .fl4_src = saddr,
+               .fl4_tos = tos,
+               .proto = IPPROTO_GRE,
+               .fl_gre_key = gre_key,
+       };
+       return ip_route_output_key(net, &fl);
+}
+
 extern int ip_route_input_common(struct sk_buff *skb, __be32 dst, __be32 src,
                                 u8 tos, struct net_device *devin, bool noref);