diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/dccp.h | 40 |
1 files changed, 29 insertions, 11 deletions
diff --git a/include/linux/dccp.h b/include/linux/dccp.h index 8bf4bacb505..0e72708677e 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) { |