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-rw-r--r--include/linux/in.h1
-rw-r--r--include/linux/socket.h1
-rw-r--r--include/linux/udp.h12
3 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/in.h b/include/linux/in.h
index 2619859f6e1..1912e7c0bc2 100644
--- a/include/linux/in.h
+++ b/include/linux/in.h
@@ -45,6 +45,7 @@ enum {
IPPROTO_COMP = 108, /* Compression Header protocol */
IPPROTO_SCTP = 132, /* Stream Control Transport Protocol */
+ IPPROTO_UDPLITE = 136, /* UDP-Lite (RFC 3828) */
IPPROTO_RAW = 255, /* Raw IP packets */
IPPROTO_MAX
diff --git a/include/linux/socket.h b/include/linux/socket.h
index 36140909464..592b6667982 100644
--- a/include/linux/socket.h
+++ b/include/linux/socket.h
@@ -264,6 +264,7 @@ struct ucred {
#define SOL_IPV6 41
#define SOL_ICMPV6 58
#define SOL_SCTP 132
+#define SOL_UDPLITE 136 /* UDP-Lite (RFC 3828) */
#define SOL_RAW 255
#define SOL_IPX 256
#define SOL_AX25 257
diff --git a/include/linux/udp.h b/include/linux/udp.h
index 014b41d1e30..564f3b05010 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