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-rw-r--r--include/linux/dccp.h40
1 files changed, 29 insertions, 11 deletions
diff --git a/include/linux/dccp.h b/include/linux/dccp.h
index 8bf4bac..0e72708 100644
--- a/include/linux/dccp.h
+++ b/include/linux/dccp.h
@@ -4,16 +4,6 @@
#include <linux/types.h>
#include <asm/byteorder.h>
-/* Structure describing an Internet (DCCP) socket address. */
-struct sockaddr_dccp {
- __u16 sdccp_family; /* Address family */
- __u16 sdccp_port; /* Port number */
- __u32 sdccp_addr; /* Internet address */
- __u32 sdccp_service; /* Service */
- /* Pad to size of `struct sockaddr': 16 bytes . */
- __u32 sdccp_pad;
-};
-
/**
* struct dccp_hdr - generic part of DCCP packet header
*
@@ -188,6 +178,9 @@ enum {
/* DCCP socket options */
#define DCCP_SOCKOPT_PACKET_SIZE 1
+#define DCCP_SOCKOPT_SERVICE 2
+
+#define DCCP_SERVICE_LIST_MAX_LEN 32
#ifdef __KERNEL__
@@ -382,6 +375,25 @@ enum dccp_role {
DCCP_ROLE_SERVER,
};
+struct dccp_service_list {
+ __u32 dccpsl_nr;
+ __u32 dccpsl_list[0];
+};
+
+#define DCCP_SERVICE_INVALID_VALUE htonl((__u32)-1)
+
+static inline int dccp_list_has_service(const struct dccp_service_list *sl,
+ const u32 service)
+{
+ if (likely(sl != NULL)) {
+ u32 i = sl->dccpsl_nr;
+ while (i--)
+ if (sl->dccpsl_list[i] == service)
+ return 1;
+ }
+ return 0;
+}
+
/**
* struct dccp_sock - DCCP socket state
*
@@ -417,7 +429,8 @@ struct dccp_sock {
__u64 dccps_gss;
__u64 dccps_gsr;
__u64 dccps_gar;
- unsigned long dccps_service;
+ __u32 dccps_service;
+ struct dccp_service_list *dccps_service_list;
struct timeval dccps_timestamp_time;
__u32 dccps_timestamp_echo;
__u32 dccps_packet_size;
@@ -443,6 +456,11 @@ static inline struct dccp_sock *dccp_sk(const struct sock *sk)
return (struct dccp_sock *)sk;
}
+static inline int dccp_service_not_initialized(const struct sock *sk)
+{
+ return dccp_sk(sk)->dccps_service == DCCP_SERVICE_INVALID_VALUE;
+}
+
static inline const char *dccp_role(const struct sock *sk)
{
switch (dccp_sk(sk)->dccps_role) {
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