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-rw-r--r--include/linux/udp.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/udp.h b/include/linux/udp.h
index 8ec703f462da..4144664d69d9 100644
--- a/include/linux/udp.h
+++ b/include/linux/udp.h
@@ -70,8 +70,10 @@ struct udp_sock {
#define UDPLITE_BIT 0x1 /* set by udplite proto init function */
#define UDPLITE_SEND_CC 0x2 /* set via udplite setsockopt */
#define UDPLITE_RECV_CC 0x4 /* set via udplite setsocktopt */
+#ifdef CONFIG_IP_UDPLITE
__u8 pcflag; /* marks socket as UDP-Lite if > 0 */
__u8 unused[3];
+#endif
/*
* For encapsulation sockets.
*/
@@ -82,7 +84,16 @@ static inline struct udp_sock *udp_sk(const struct sock *sk)
{
return (struct udp_sock *)sk;
}
+
+#ifdef CONFIG_IP_UDPLITE
#define IS_UDPLITE(__sk) (udp_sk(__sk)->pcflag)
+#define IS_PROTO_UDPLITE(__proto) ((__proto) == IPPROTO_UDPLITE)
+#define IS_SOL_UDPFAMILY(level) ((level) == SOL_UDP || (level) == SOL_UDPLITE)
+#else
+#define IS_UDPLITE(__sk) 0
+#define IS_PROTO_UDPLITE(__proto) 0
+#define IS_SOL_UDPFAMILY(level) ((level) == SOL_UDP)
+#endif
#endif
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