summaryrefslogtreecommitdiffstats
path: root/include/linux/udp.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/udp.h')
-rw-r--r--include/linux/udp.h14
1 files changed, 13 insertions, 1 deletions
diff --git a/include/linux/udp.h b/include/linux/udp.h
index 014b41d1e30..7e08c07efe0 100644
--- a/include/linux/udp.h
+++ b/include/linux/udp.h
@@ -23,7 +23,7 @@ struct udphdr {
__be16 source;
__be16 dest;
__be16 len;
- __be16 check;
+ __sum16 check;
};
/* UDP socket options */
@@ -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