net: Require exact match for TCP socket lookups if dif is l3mdev

[karo-tx-linux.git] / include / net / ip.h

diff --git a/include/net/ip.h b/include/net/ip.h
index bc43c0fcae122daea994a17843abcd84f6e6adb1..c9d07988911ea302465aafa71e38bf10495ce23d 100644 (file)
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -38,7 +38,7 @@ struct sock;
 struct inet_skb_parm {
        int                     iif;
        struct ip_options       opt;            /* Compiled IP options          */
-       unsigned char           flags;
+       u16                     flags;
 
 #define IPSKB_FORWARDED                BIT(0)
 #define IPSKB_XFRM_TUNNEL_SIZE BIT(1)
@@ -48,10 +48,16 @@ struct inet_skb_parm {
 #define IPSKB_DOREDIRECT       BIT(5)
 #define IPSKB_FRAG_PMTU                BIT(6)
 #define IPSKB_FRAG_SEGS                BIT(7)
+#define IPSKB_L3SLAVE          BIT(8)
 
        u16                     frag_max_size;
 };
 
+static inline bool ipv4_l3mdev_skb(u16 flags)
+{
+       return !!(flags & IPSKB_L3SLAVE);
+}
+
 static inline unsigned int ip_hdrlen(const struct sk_buff *skb)
 {
        return ip_hdr(skb)->ihl * 4;