1 files changed, 12 insertions, 0 deletions

diff --git a/include/linux/udp.h b/include/linux/udp.h
index 014b41d1e308..564f3b050105 100644
--- a/include/linux/udp.h
+++ b/include/linux/udp.h
@@ -38,6 +38,7 @@ struct udphdr {
 #include <linux/types.h>
 
 #include <net/inet_sock.h>
+#define UDP_HTABLE_SIZE         128
 
 struct udp_sock {
         /* inet_sock has to be the first member */
@@ -50,12 +51,23 @@ struct udp_sock {
          * when the socket is uncorked.
          */
         __u16            len;           /* total length of pending frames */
+        /*
+         * Fields specific to UDP-Lite.
+         */
+        __u16            pcslen;
+        __u16            pcrlen;
+/* indicator bits used by pcflag: */
+#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        */
+        __u8             pcflag;        /* marks socket as UDP-Lite if > 0    */
 };
 
 static inline struct udp_sock *udp_sk(const struct sock *sk)
 {
         return (struct udp_sock *)sk;
 }
+#define IS_UDPLITE(__sk) (udp_sk(__sk)->pcflag)
 
 #endif