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Diffstat (limited to 'include/linux/sctp.h')
-rw-r--r--include/linux/sctp.h277
1 files changed, 134 insertions, 143 deletions
diff --git a/include/linux/sctp.h b/include/linux/sctp.h
index 7a4804c4a593..82b171e1aa0b 100644
--- a/include/linux/sctp.h
+++ b/include/linux/sctp.h
@@ -57,12 +57,12 @@
#include <uapi/linux/sctp.h>
/* Section 3.1. SCTP Common Header Format */
-typedef struct sctphdr {
+struct sctphdr {
__be16 source;
__be16 dest;
__be32 vtag;
__le32 checksum;
-} sctp_sctphdr_t;
+};
static inline struct sctphdr *sctp_hdr(const struct sk_buff *skb)
{
@@ -70,11 +70,11 @@ static inline struct sctphdr *sctp_hdr(const struct sk_buff *skb)
}
/* Section 3.2. Chunk Field Descriptions. */
-typedef struct sctp_chunkhdr {
+struct sctp_chunkhdr {
__u8 type;
__u8 flags;
__be16 length;
-} sctp_chunkhdr_t;
+};
/* Section 3.2. Chunk Type Values.
@@ -82,7 +82,7 @@ typedef struct sctp_chunkhdr {
* Value field. It takes a value from 0 to 254. The value of 255 is
* reserved for future use as an extension field.
*/
-typedef enum {
+enum sctp_cid {
SCTP_CID_DATA = 0,
SCTP_CID_INIT = 1,
SCTP_CID_INIT_ACK = 2,
@@ -109,7 +109,7 @@ typedef enum {
SCTP_CID_ASCONF = 0xC1,
SCTP_CID_ASCONF_ACK = 0x80,
SCTP_CID_RECONF = 0x82,
-} sctp_cid_t; /* enum */
+}; /* enum */
/* Section 3.2
@@ -117,12 +117,12 @@ typedef enum {
* the action that must be taken if the processing endpoint does not
* recognize the Chunk Type.
*/
-typedef enum {
+enum {
SCTP_CID_ACTION_DISCARD = 0x00,
SCTP_CID_ACTION_DISCARD_ERR = 0x40,
SCTP_CID_ACTION_SKIP = 0x80,
SCTP_CID_ACTION_SKIP_ERR = 0xc0,
-} sctp_cid_action_t;
+};
enum { SCTP_CID_ACTION_MASK = 0xc0, };
@@ -162,12 +162,12 @@ enum { SCTP_CHUNK_FLAG_T = 0x01 };
* Section 3.2.1 Optional/Variable-length Parmaeter Format.
*/
-typedef struct sctp_paramhdr {
+struct sctp_paramhdr {
__be16 type;
__be16 length;
-} sctp_paramhdr_t;
+};
-typedef enum {
+enum sctp_param {
/* RFC 2960 Section 3.3.5 */
SCTP_PARAM_HEARTBEAT_INFO = cpu_to_be16(1),
@@ -207,7 +207,7 @@ typedef enum {
SCTP_PARAM_RESET_RESPONSE = cpu_to_be16(0x0010),
SCTP_PARAM_RESET_ADD_OUT_STREAMS = cpu_to_be16(0x0011),
SCTP_PARAM_RESET_ADD_IN_STREAMS = cpu_to_be16(0x0012),
-} sctp_param_t; /* enum */
+}; /* enum */
/* RFC 2960 Section 3.2.1
@@ -216,29 +216,29 @@ typedef enum {
* not recognize the Parameter Type.
*
*/
-typedef enum {
+enum {
SCTP_PARAM_ACTION_DISCARD = cpu_to_be16(0x0000),
SCTP_PARAM_ACTION_DISCARD_ERR = cpu_to_be16(0x4000),
SCTP_PARAM_ACTION_SKIP = cpu_to_be16(0x8000),
SCTP_PARAM_ACTION_SKIP_ERR = cpu_to_be16(0xc000),
-} sctp_param_action_t;
+};
enum { SCTP_PARAM_ACTION_MASK = cpu_to_be16(0xc000), };
/* RFC 2960 Section 3.3.1 Payload Data (DATA) (0) */
-typedef struct sctp_datahdr {
+struct sctp_datahdr {
__be32 tsn;
__be16 stream;
__be16 ssn;
__be32 ppid;
__u8 payload[0];
-} sctp_datahdr_t;
+};
-typedef struct sctp_data_chunk {
- sctp_chunkhdr_t chunk_hdr;
- sctp_datahdr_t data_hdr;
-} sctp_data_chunk_t;
+struct sctp_data_chunk {
+ struct sctp_chunkhdr chunk_hdr;
+ struct sctp_datahdr data_hdr;
+};
/* DATA Chuck Specific Flags */
enum {
@@ -257,103 +257,101 @@ enum { SCTP_DATA_FRAG_MASK = 0x03, };
* This chunk is used to initiate a SCTP association between two
* endpoints.
*/
-typedef struct sctp_inithdr {
+struct sctp_inithdr {
__be32 init_tag;
__be32 a_rwnd;
__be16 num_outbound_streams;
__be16 num_inbound_streams;
__be32 initial_tsn;
__u8 params[0];
-} sctp_inithdr_t;
+};
-typedef struct sctp_init_chunk {
- sctp_chunkhdr_t chunk_hdr;
- sctp_inithdr_t init_hdr;
-} sctp_init_chunk_t;
+struct sctp_init_chunk {
+ struct sctp_chunkhdr chunk_hdr;
+ struct sctp_inithdr init_hdr;
+};
/* Section 3.3.2.1. IPv4 Address Parameter (5) */
-typedef struct sctp_ipv4addr_param {
- sctp_paramhdr_t param_hdr;
- struct in_addr addr;
-} sctp_ipv4addr_param_t;
+struct sctp_ipv4addr_param {
+ struct sctp_paramhdr param_hdr;
+ struct in_addr addr;
+};
/* Section 3.3.2.1. IPv6 Address Parameter (6) */
-typedef struct sctp_ipv6addr_param {
- sctp_paramhdr_t param_hdr;
+struct sctp_ipv6addr_param {
+ struct sctp_paramhdr param_hdr;
struct in6_addr addr;
-} sctp_ipv6addr_param_t;
+};
/* Section 3.3.2.1 Cookie Preservative (9) */
-typedef struct sctp_cookie_preserve_param {
- sctp_paramhdr_t param_hdr;
- __be32 lifespan_increment;
-} sctp_cookie_preserve_param_t;
+struct sctp_cookie_preserve_param {
+ struct sctp_paramhdr param_hdr;
+ __be32 lifespan_increment;
+};
/* Section 3.3.2.1 Host Name Address (11) */
-typedef struct sctp_hostname_param {
- sctp_paramhdr_t param_hdr;
+struct sctp_hostname_param {
+ struct sctp_paramhdr param_hdr;
uint8_t hostname[0];
-} sctp_hostname_param_t;
+};
/* Section 3.3.2.1 Supported Address Types (12) */
-typedef struct sctp_supported_addrs_param {
- sctp_paramhdr_t param_hdr;
+struct sctp_supported_addrs_param {
+ struct sctp_paramhdr param_hdr;
__be16 types[0];
-} sctp_supported_addrs_param_t;
-
-/* Appendix A. ECN Capable (32768) */
-typedef struct sctp_ecn_capable_param {
- sctp_paramhdr_t param_hdr;
-} sctp_ecn_capable_param_t;
+};
/* ADDIP Section 3.2.6 Adaptation Layer Indication */
-typedef struct sctp_adaptation_ind_param {
+struct sctp_adaptation_ind_param {
struct sctp_paramhdr param_hdr;
__be32 adaptation_ind;
-} sctp_adaptation_ind_param_t;
+};
/* ADDIP Section 4.2.7 Supported Extensions Parameter */
-typedef struct sctp_supported_ext_param {
+struct sctp_supported_ext_param {
struct sctp_paramhdr param_hdr;
__u8 chunks[0];
-} sctp_supported_ext_param_t;
+};
/* AUTH Section 3.1 Random */
-typedef struct sctp_random_param {
- sctp_paramhdr_t param_hdr;
+struct sctp_random_param {
+ struct sctp_paramhdr param_hdr;
__u8 random_val[0];
-} sctp_random_param_t;
+};
/* AUTH Section 3.2 Chunk List */
-typedef struct sctp_chunks_param {
- sctp_paramhdr_t param_hdr;
+struct sctp_chunks_param {
+ struct sctp_paramhdr param_hdr;
__u8 chunks[0];
-} sctp_chunks_param_t;
+};
/* AUTH Section 3.3 HMAC Algorithm */
-typedef struct sctp_hmac_algo_param {
- sctp_paramhdr_t param_hdr;
+struct sctp_hmac_algo_param {
+ struct sctp_paramhdr param_hdr;
__be16 hmac_ids[0];
-} sctp_hmac_algo_param_t;
+};
/* RFC 2960. Section 3.3.3 Initiation Acknowledgement (INIT ACK) (2):
* The INIT ACK chunk is used to acknowledge the initiation of an SCTP
* association.
*/
-typedef sctp_init_chunk_t sctp_initack_chunk_t;
+struct sctp_initack_chunk {
+ struct sctp_chunkhdr chunk_hdr;
+ struct sctp_inithdr init_hdr;
+};
/* Section 3.3.3.1 State Cookie (7) */
-typedef struct sctp_cookie_param {
- sctp_paramhdr_t p;
+struct sctp_cookie_param {
+ struct sctp_paramhdr p;
__u8 body[0];
-} sctp_cookie_param_t;
+};
/* Section 3.3.3.1 Unrecognized Parameters (8) */
-typedef struct sctp_unrecognized_param {
- sctp_paramhdr_t param_hdr;
- sctp_paramhdr_t unrecognized;
-} sctp_unrecognized_param_t;
+struct sctp_unrecognized_param {
+ struct sctp_paramhdr param_hdr;
+ struct sctp_paramhdr unrecognized;
+};
@@ -365,30 +363,28 @@ typedef struct sctp_unrecognized_param {
* subsequences of DATA chunks as represented by their TSNs.
*/
-typedef struct sctp_gap_ack_block {
+struct sctp_gap_ack_block {
__be16 start;
__be16 end;
-} sctp_gap_ack_block_t;
-
-typedef __be32 sctp_dup_tsn_t;
+};
-typedef union {
- sctp_gap_ack_block_t gab;
- sctp_dup_tsn_t dup;
-} sctp_sack_variable_t;
+union sctp_sack_variable {
+ struct sctp_gap_ack_block gab;
+ __be32 dup;
+};
-typedef struct sctp_sackhdr {
+struct sctp_sackhdr {
__be32 cum_tsn_ack;
__be32 a_rwnd;
__be16 num_gap_ack_blocks;
__be16 num_dup_tsns;
- sctp_sack_variable_t variable[0];
-} sctp_sackhdr_t;
+ union sctp_sack_variable variable[0];
+};
-typedef struct sctp_sack_chunk {
- sctp_chunkhdr_t chunk_hdr;
- sctp_sackhdr_t sack_hdr;
-} sctp_sack_chunk_t;
+struct sctp_sack_chunk {
+ struct sctp_chunkhdr chunk_hdr;
+ struct sctp_sackhdr sack_hdr;
+};
/* RFC 2960. Section 3.3.5 Heartbeat Request (HEARTBEAT) (4):
@@ -398,49 +394,49 @@ typedef struct sctp_sack_chunk {
* the present association.
*/
-typedef struct sctp_heartbeathdr {
- sctp_paramhdr_t info;
-} sctp_heartbeathdr_t;
+struct sctp_heartbeathdr {
+ struct sctp_paramhdr info;
+};
-typedef struct sctp_heartbeat_chunk {
- sctp_chunkhdr_t chunk_hdr;
- sctp_heartbeathdr_t hb_hdr;
-} sctp_heartbeat_chunk_t;
+struct sctp_heartbeat_chunk {
+ struct sctp_chunkhdr chunk_hdr;
+ struct sctp_heartbeathdr hb_hdr;
+};
/* For the abort and shutdown ACK we must carry the init tag in the
* common header. Just the common header is all that is needed with a
* chunk descriptor.
*/
-typedef struct sctp_abort_chunk {
- sctp_chunkhdr_t uh;
-} sctp_abort_chunk_t;
+struct sctp_abort_chunk {
+ struct sctp_chunkhdr uh;
+};
/* For the graceful shutdown we must carry the tag (in common header)
* and the highest consecutive acking value.
*/
-typedef struct sctp_shutdownhdr {
+struct sctp_shutdownhdr {
__be32 cum_tsn_ack;
-} sctp_shutdownhdr_t;
+};
-struct sctp_shutdown_chunk_t {
- sctp_chunkhdr_t chunk_hdr;
- sctp_shutdownhdr_t shutdown_hdr;
+struct sctp_shutdown_chunk {
+ struct sctp_chunkhdr chunk_hdr;
+ struct sctp_shutdownhdr shutdown_hdr;
};
/* RFC 2960. Section 3.3.10 Operation Error (ERROR) (9) */
-typedef struct sctp_errhdr {
+struct sctp_errhdr {
__be16 cause;
__be16 length;
__u8 variable[0];
-} sctp_errhdr_t;
+};
-typedef struct sctp_operr_chunk {
- sctp_chunkhdr_t chunk_hdr;
- sctp_errhdr_t err_hdr;
-} sctp_operr_chunk_t;
+struct sctp_operr_chunk {
+ struct sctp_chunkhdr chunk_hdr;
+ struct sctp_errhdr err_hdr;
+};
/* RFC 2960 3.3.10 - Operation Error
*
@@ -461,7 +457,7 @@ typedef struct sctp_operr_chunk {
* 9 No User Data
* 10 Cookie Received While Shutting Down
*/
-typedef enum {
+enum sctp_error {
SCTP_ERROR_NO_ERROR = cpu_to_be16(0x00),
SCTP_ERROR_INV_STRM = cpu_to_be16(0x01),
@@ -516,33 +512,28 @@ typedef enum {
* 0x0105 Unsupported HMAC Identifier
*/
SCTP_ERROR_UNSUP_HMAC = cpu_to_be16(0x0105)
-} sctp_error_t;
+};
/* RFC 2960. Appendix A. Explicit Congestion Notification.
* Explicit Congestion Notification Echo (ECNE) (12)
*/
-typedef struct sctp_ecnehdr {
+struct sctp_ecnehdr {
__be32 lowest_tsn;
-} sctp_ecnehdr_t;
+};
-typedef struct sctp_ecne_chunk {
- sctp_chunkhdr_t chunk_hdr;
- sctp_ecnehdr_t ence_hdr;
-} sctp_ecne_chunk_t;
+struct sctp_ecne_chunk {
+ struct sctp_chunkhdr chunk_hdr;
+ struct sctp_ecnehdr ence_hdr;
+};
/* RFC 2960. Appendix A. Explicit Congestion Notification.
* Congestion Window Reduced (CWR) (13)
*/
-typedef struct sctp_cwrhdr {
+struct sctp_cwrhdr {
__be32 lowest_tsn;
-} sctp_cwrhdr_t;
-
-typedef struct sctp_cwr_chunk {
- sctp_chunkhdr_t chunk_hdr;
- sctp_cwrhdr_t cwr_hdr;
-} sctp_cwr_chunk_t;
+};
/* PR-SCTP
* 3.2 Forward Cumulative TSN Chunk Definition (FORWARD TSN)
@@ -638,20 +629,20 @@ struct sctp_fwdtsn_chunk {
* The ASCONF Parameter Response is used in the ASCONF-ACK to
* report status of ASCONF processing.
*/
-typedef struct sctp_addip_param {
- sctp_paramhdr_t param_hdr;
- __be32 crr_id;
-} sctp_addip_param_t;
+struct sctp_addip_param {
+ struct sctp_paramhdr param_hdr;
+ __be32 crr_id;
+};
-typedef struct sctp_addiphdr {
+struct sctp_addiphdr {
__be32 serial;
__u8 params[0];
-} sctp_addiphdr_t;
+};
-typedef struct sctp_addip_chunk {
- sctp_chunkhdr_t chunk_hdr;
- sctp_addiphdr_t addip_hdr;
-} sctp_addip_chunk_t;
+struct sctp_addip_chunk {
+ struct sctp_chunkhdr chunk_hdr;
+ struct sctp_addiphdr addip_hdr;
+};
/* AUTH
* Section 4.1 Authentication Chunk (AUTH)
@@ -702,16 +693,16 @@ typedef struct sctp_addip_chunk {
* HMAC: n bytes (unsigned integer) This hold the result of the HMAC
* calculation.
*/
-typedef struct sctp_authhdr {
+struct sctp_authhdr {
__be16 shkey_id;
__be16 hmac_id;
__u8 hmac[0];
-} sctp_authhdr_t;
+};
-typedef struct sctp_auth_chunk {
- sctp_chunkhdr_t chunk_hdr;
- sctp_authhdr_t auth_hdr;
-} sctp_auth_chunk_t;
+struct sctp_auth_chunk {
+ struct sctp_chunkhdr chunk_hdr;
+ struct sctp_authhdr auth_hdr;
+};
struct sctp_infox {
struct sctp_info *sctpinfo;
@@ -719,12 +710,12 @@ struct sctp_infox {
};
struct sctp_reconf_chunk {
- sctp_chunkhdr_t chunk_hdr;
+ struct sctp_chunkhdr chunk_hdr;
__u8 params[0];
};
struct sctp_strreset_outreq {
- sctp_paramhdr_t param_hdr;
+ struct sctp_paramhdr param_hdr;
__u32 request_seq;
__u32 response_seq;
__u32 send_reset_at_tsn;
@@ -732,18 +723,18 @@ struct sctp_strreset_outreq {
};
struct sctp_strreset_inreq {
- sctp_paramhdr_t param_hdr;
+ struct sctp_paramhdr param_hdr;
__u32 request_seq;
__u16 list_of_streams[0];
};
struct sctp_strreset_tsnreq {
- sctp_paramhdr_t param_hdr;
+ struct sctp_paramhdr param_hdr;
__u32 request_seq;
};
struct sctp_strreset_addstrm {
- sctp_paramhdr_t param_hdr;
+ struct sctp_paramhdr param_hdr;
__u32 request_seq;
__u16 number_of_streams;
__u16 reserved;
@@ -760,13 +751,13 @@ enum {
};
struct sctp_strreset_resp {
- sctp_paramhdr_t param_hdr;
+ struct sctp_paramhdr param_hdr;
__u32 response_seq;
__u32 result;
};
struct sctp_strreset_resptsn {
- sctp_paramhdr_t param_hdr;
+ struct sctp_paramhdr param_hdr;
__u32 response_seq;
__u32 result;
__u32 senders_next_tsn;
generated by cgit v1.2.3 (git 2.46.0) at 2025-09-07 13:23:56 +0000