[SCTP]: Annotate SCTP headers.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/sctp.h b/include/linux/sctp.h
index 6ec66de..35108fe 100644
--- a/include/linux/sctp.h
+++ b/include/linux/sctp.h
@@ -57,17 +57,17 @@
/* Section 3.1. SCTP Common Header Format */
typedef struct sctphdr {
- __u16 source;
- __u16 dest;
- __u32 vtag;
- __u32 checksum;
+ __be16 source;
+ __be16 dest;
+ __be32 vtag;
+ __be32 checksum;
} __attribute__((packed)) sctp_sctphdr_t;
/* Section 3.2. Chunk Field Descriptions. */
typedef struct sctp_chunkhdr {
__u8 type;
__u8 flags;
- __u16 length;
+ __be16 length;
} __attribute__((packed)) sctp_chunkhdr_t;
@@ -153,8 +153,8 @@
*/
typedef struct sctp_paramhdr {
- __u16 type;
- __u16 length;
+ __be16 type;
+ __be16 length;
} __attribute__((packed)) sctp_paramhdr_t;
typedef enum {
@@ -203,10 +203,10 @@
/* RFC 2960 Section 3.3.1 Payload Data (DATA) (0) */
typedef struct sctp_datahdr {
- __u32 tsn;
- __u16 stream;
- __u16 ssn;
- __u32 ppid;
+ __be32 tsn;
+ __be16 stream;
+ __be16 ssn;
+ __be32 ppid;
__u8 payload[0];
} __attribute__((packed)) sctp_datahdr_t;
@@ -232,11 +232,11 @@
* endpoints.
*/
typedef struct sctp_inithdr {
- __u32 init_tag;
- __u32 a_rwnd;
- __u16 num_outbound_streams;
- __u16 num_inbound_streams;
- __u32 initial_tsn;
+ __be32 init_tag;
+ __be32 a_rwnd;
+ __be16 num_outbound_streams;
+ __be16 num_inbound_streams;
+ __be32 initial_tsn;
__u8 params[0];
} __attribute__((packed)) sctp_inithdr_t;
@@ -261,7 +261,7 @@
/* Section 3.3.2.1 Cookie Preservative (9) */
typedef struct sctp_cookie_preserve_param {
sctp_paramhdr_t param_hdr;
- uint32_t lifespan_increment;
+ __be32 lifespan_increment;
} __attribute__((packed)) sctp_cookie_preserve_param_t;
/* Section 3.3.2.1 Host Name Address (11) */
@@ -273,7 +273,7 @@
/* Section 3.3.2.1 Supported Address Types (12) */
typedef struct sctp_supported_addrs_param {
sctp_paramhdr_t param_hdr;
- uint16_t types[0];
+ __be16 types[0];
} __attribute__((packed)) sctp_supported_addrs_param_t;
/* Appendix A. ECN Capable (32768) */
@@ -284,7 +284,7 @@
/* ADDIP Section 3.2.6 Adaption Layer Indication */
typedef struct sctp_adaption_ind_param {
struct sctp_paramhdr param_hdr;
- __u32 adaption_ind;
+ __be32 adaption_ind;
} __attribute__((packed)) sctp_adaption_ind_param_t;
/* RFC 2960. Section 3.3.3 Initiation Acknowledgement (INIT ACK) (2):
@@ -316,11 +316,11 @@
*/
typedef struct sctp_gap_ack_block {
- __u16 start;
- __u16 end;
+ __be16 start;
+ __be16 end;
} __attribute__((packed)) sctp_gap_ack_block_t;
-typedef uint32_t sctp_dup_tsn_t;
+typedef __be32 sctp_dup_tsn_t;
typedef union {
sctp_gap_ack_block_t gab;
@@ -328,10 +328,10 @@
} sctp_sack_variable_t;
typedef struct sctp_sackhdr {
- __u32 cum_tsn_ack;
- __u32 a_rwnd;
- __u16 num_gap_ack_blocks;
- __u16 num_dup_tsns;
+ __be32 cum_tsn_ack;
+ __be32 a_rwnd;
+ __be16 num_gap_ack_blocks;
+ __be16 num_dup_tsns;
sctp_sack_variable_t variable[0];
} __attribute__((packed)) sctp_sackhdr_t;
@@ -371,7 +371,7 @@
* and the highest consecutive acking value.
*/
typedef struct sctp_shutdownhdr {
- __u32 cum_tsn_ack;
+ __be32 cum_tsn_ack;
} __attribute__((packed)) sctp_shutdownhdr_t;
struct sctp_shutdown_chunk_t {
@@ -382,8 +382,8 @@
/* RFC 2960. Section 3.3.10 Operation Error (ERROR) (9) */
typedef struct sctp_errhdr {
- __u16 cause;
- __u16 length;
+ __be16 cause;
+ __be16 length;
__u8 variable[0];
} __attribute__((packed)) sctp_errhdr_t;
@@ -462,7 +462,7 @@
* Explicit Congestion Notification Echo (ECNE) (12)
*/
typedef struct sctp_ecnehdr {
- __u32 lowest_tsn;
+ __be32 lowest_tsn;
} sctp_ecnehdr_t;
typedef struct sctp_ecne_chunk {
@@ -474,7 +474,7 @@
* Congestion Window Reduced (CWR) (13)
*/
typedef struct sctp_cwrhdr {
- __u32 lowest_tsn;
+ __be32 lowest_tsn;
} sctp_cwrhdr_t;
typedef struct sctp_cwr_chunk {
@@ -529,12 +529,12 @@
* chunks this field MUST be filled in.
*/
struct sctp_fwdtsn_skip {
- __u16 stream;
- __u16 ssn;
+ __be16 stream;
+ __be16 ssn;
} __attribute__((packed));
struct sctp_fwdtsn_hdr {
- __u32 new_cum_tsn;
+ __be32 new_cum_tsn;
struct sctp_fwdtsn_skip skip[0];
} __attribute((packed));
@@ -578,11 +578,11 @@
*/
typedef struct sctp_addip_param {
sctp_paramhdr_t param_hdr;
- __u32 crr_id;
+ __be32 crr_id;
} __attribute__((packed)) sctp_addip_param_t;
typedef struct sctp_addiphdr {
- __u32 serial;
+ __be32 serial;
__u8 params[0];
} __attribute__((packed)) sctp_addiphdr_t;