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Commit 13f5f8af authored by David S. Miller's avatar David S. Miller
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[SCTP]: Whitespace/codingstyle fixups, plus a bug fix or two.

parent f82c185f
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include/net/sctp/sctp.h
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include/net/sctp/sctp_command.h
View file @ 13f5f8af
......@@ -73,21 +73,21 @@ typedef enum {
SCTP_CMD_SET_BIND_ADDR, /* Set the association bind_addr. */
SCTP_CMD_STRIKE, /* Mark a strike against a transport. */
SCTP_CMD_TRANSMIT, /* Transmit the outqueue. */
SCTP_CMD_HB_TIMERS_START, /* Start the heartbeat timers. */
SCTP_CMD_HB_TIMERS_START, /* Start the heartbeat timers. */
SCTP_CMD_TRANSPORT_RESET, /* Reset the status of a transport. */
SCTP_CMD_TRANSPORT_ON, /* Mark the transport as active. */
SCTP_CMD_TRANSPORT_ON, /* Mark the transport as active. */
SCTP_CMD_REPORT_ERROR, /* Pass this error back out of the sm. */
SCTP_CMD_REPORT_BAD_TAG, /* Verification tags didn't match. */
SCTP_CMD_PROCESS_CTSN, /* Sideeffect from shutdown. */
SCTP_CMD_ASSOC_FAILED, /* Handle association failure. */
SCTP_CMD_ASSOC_FAILED, /* Handle association failure. */
SCTP_CMD_DISCARD_PACKET, /* Discard the whole packet. */
SCTP_CMD_GEN_SHUTDOWN, /* Generate a SHUTDOWN chunk. */
SCTP_CMD_GEN_SHUTDOWN, /* Generate a SHUTDOWN chunk. */
SCTP_CMD_UPDATE_ASSOC, /* Update association information. */
SCTP_CMD_PURGE_OUTQUEUE, /* Purge all data waiting to be sent. */
SCTP_CMD_SETUP_T2, /* Hi-level, setup T2-shutdown parms. */
SCTP_CMD_LAST
} sctp_verb_t; /* enum */
} sctp_verb_t;
#define SCTP_CMD_MAX (SCTP_CMD_LAST - 1)
#define SCTP_CMD_NUM_VERBS (SCTP_CMD_MAX + 1)
......@@ -100,10 +100,10 @@ typedef enum {
#define SCTP_MAX_NUM_COMMANDS 14
typedef union {
int32_t i32;
uint32_t u32;
uint16_t u16;
uint8_t u8;
__s32 i32;
__u32 u32;
__u16 u16;
__u8 u8;
int error;
sctp_state_t state;
sctp_event_timeout_t to;
......@@ -120,41 +120,38 @@ typedef union {
} sctp_arg_t;
/* We are simulating ML type constructors here.
*
*
* SCTP_ARG_CONSTRUCTOR(NAME, TYPE, ELT) builds a function called
* SCTP_NAME() which takes an argument of type TYPE and returns an
* sctp_arg_t. It does this by inserting the sole argument into the
* ELT union element of a local sctp_arg_t.
*
* E.g., SCTP_ARG_CONSTRUCTOR(I32, int32_t, i32) builds SCTP_I32(arg),
* which takes an int32_t and returns a sctp_arg_t containing the
* int32_t. So, after foo = SCTP_I32(arg), foo.i32 == arg.
* E.g., SCTP_ARG_CONSTRUCTOR(I32, __s32, i32) builds SCTP_I32(arg),
* which takes an __s32 and returns a sctp_arg_t containing the
* __s32. So, after foo = SCTP_I32(arg), foo.i32 == arg.
*/
static inline sctp_arg_t
SCTP_NULL(void)
static inline sctp_arg_t SCTP_NULL(void)
{
sctp_arg_t retval; retval.ptr = NULL; return(retval);
sctp_arg_t retval; retval.ptr = NULL; return retval;
}
static inline sctp_arg_t
SCTP_NOFORCE(void)
static inline sctp_arg_t SCTP_NOFORCE(void)
{
sctp_arg_t retval; retval.i32 = 0; return(retval);
sctp_arg_t retval; retval.i32 = 0; return retval;
}
static inline sctp_arg_t
SCTP_FORCE(void)
static inline sctp_arg_t SCTP_FORCE(void)
{
sctp_arg_t retval; retval.i32 = 1; return(retval);
sctp_arg_t retval; retval.i32 = 1; return retval;
}
#define SCTP_ARG_CONSTRUCTOR(name, type, elt) \
static inline sctp_arg_t \
SCTP_## name (type arg) \
{ sctp_arg_t retval; retval.elt = arg; return(retval); }
{ sctp_arg_t retval; retval.elt = arg; return retval; }
SCTP_ARG_CONSTRUCTOR(I32, int32_t, i32)
SCTP_ARG_CONSTRUCTOR(U32, int32_t, u32)
SCTP_ARG_CONSTRUCTOR(U16, int32_t, u16)
SCTP_ARG_CONSTRUCTOR(U8, int32_t, u8)
SCTP_ARG_CONSTRUCTOR(I32, __s32, i32)
SCTP_ARG_CONSTRUCTOR(U32, __u32, u32)
SCTP_ARG_CONSTRUCTOR(U16, __u16, u16)
SCTP_ARG_CONSTRUCTOR(U8, __u8, u8)
SCTP_ARG_CONSTRUCTOR(ERROR, int, error)
SCTP_ARG_CONSTRUCTOR(STATE, sctp_state_t, state)
SCTP_ARG_CONSTRUCTOR(COUNTER, sctp_counter_t, counter)
......@@ -176,12 +173,12 @@ typedef struct {
typedef struct {
sctp_cmd_t cmds[SCTP_MAX_NUM_COMMANDS];
uint8_t next_free_slot;
uint8_t next_cmd;
__u8 next_free_slot;
__u8 next_cmd;
} sctp_cmd_seq_t;
/* Create a new sctp_command_sequence.
/* Create a new sctp_command_sequence.
* Return NULL if creating a new sequence fails.
*/
sctp_cmd_seq_t *sctp_new_cmd_seq(int priority);
......
include/net/sctp/sctp_constants.h
View file @ 13f5f8af
......@@ -62,8 +62,8 @@
/* What a hack! Jiminy Cricket! */
enum { SCTP_MAX_STREAM = 10 };
/* Define the amount of space to reserve for SCTP, IP, LL.
* There is a little bit of waste that we are always allocating
/* Define the amount of space to reserve for SCTP, IP, LL.
* There is a little bit of waste that we are always allocating
* for ipv6 headers, but this seems worth the simplicity.
*/
......@@ -71,8 +71,8 @@ enum { SCTP_MAX_STREAM = 10 };
+ sizeof(struct ipv6hdr)\
+ MAX_HEADER))
/* Define the amount of space to reserve for SCTP, IP, LL.
* There is a little bit of waste that we are always allocating
/* Define the amount of space to reserve for SCTP, IP, LL.
* There is a little bit of waste that we are always allocating
* for ipv6 headers, but this seems worth the simplicity.
*/
......@@ -93,10 +93,10 @@ enum { SCTP_MAX_STREAM = 10 };
/* These are the different flavours of event. */
typedef enum {
SCTP_EVENT_T_CHUNK = 1,
SCTP_EVENT_T_TIMEOUT,
SCTP_EVENT_T_OTHER,
SCTP_EVENT_T_PRIMITIVE
SCTP_EVENT_T_CHUNK = 1,
SCTP_EVENT_T_TIMEOUT,
SCTP_EVENT_T_OTHER,
SCTP_EVENT_T_PRIMITIVE
} sctp_event_t;
......@@ -127,8 +127,8 @@ typedef enum {
typedef enum {
SCTP_EVENT_NO_PENDING_TSN = 0,
SCTP_EVENT_ICMP_UNREACHFRAG,
SCTP_EVENT_NO_PENDING_TSN = 0,
SCTP_EVENT_ICMP_UNREACHFRAG,
} sctp_event_other_t;
......@@ -138,22 +138,22 @@ typedef enum {
/* These are primitive requests from the ULP. */
typedef enum {
SCTP_PRIMITIVE_INITIALIZE = 0,
SCTP_PRIMITIVE_ASSOCIATE,
SCTP_PRIMITIVE_SHUTDOWN,
SCTP_PRIMITIVE_ABORT,
SCTP_PRIMITIVE_SEND,
SCTP_PRIMITIVE_SETPRIMARY,
SCTP_PRIMITIVE_RECEIVE,
SCTP_PRIMITIVE_STATUS,
SCTP_PRIMITIVE_CHANGEHEARTBEAT,
SCTP_PRIMITIVE_REQUESTHEARTBEAT,
SCTP_PRIMITIVE_GETSRTTREPORT,
SCTP_PRIMITIVE_SETFAILURETHRESHOLD,
SCTP_PRIMITIVE_SETPROTOPARAMETERS,
SCTP_PRIMITIVE_RECEIVE_UNSENT,
SCTP_PRIMITIVE_RECEIVE_UNACKED,
SCTP_PRIMITIVE_DESTROY,
SCTP_PRIMITIVE_INITIALIZE = 0,
SCTP_PRIMITIVE_ASSOCIATE,
SCTP_PRIMITIVE_SHUTDOWN,
SCTP_PRIMITIVE_ABORT,
SCTP_PRIMITIVE_SEND,
SCTP_PRIMITIVE_SETPRIMARY,
SCTP_PRIMITIVE_RECEIVE,
SCTP_PRIMITIVE_STATUS,
SCTP_PRIMITIVE_CHANGEHEARTBEAT,
SCTP_PRIMITIVE_REQUESTHEARTBEAT,
SCTP_PRIMITIVE_GETSRTTREPORT,
SCTP_PRIMITIVE_SETFAILURETHRESHOLD,
SCTP_PRIMITIVE_SETPROTOPARAMETERS,
SCTP_PRIMITIVE_RECEIVE_UNSENT,
SCTP_PRIMITIVE_RECEIVE_UNACKED,
SCTP_PRIMITIVE_DESTROY,
} sctp_event_primitive_t;
......@@ -167,7 +167,7 @@ typedef enum {
*/
typedef union {
sctp_cid_t chunk;
sctp_event_timeout_t timeout;
sctp_event_other_t other;
......@@ -178,7 +178,7 @@ typedef union {
#define SCTP_SUBTYPE_CONSTRUCTOR(_name, _type, _elt) \
static inline sctp_subtype_t \
SCTP_ST_## _name (_type _arg) \
{ sctp_subtype_t _retval; _retval._elt = _arg; return(_retval); }
{ sctp_subtype_t _retval; _retval._elt = _arg; return _retval; }
SCTP_SUBTYPE_CONSTRUCTOR(CHUNK, sctp_cid_t, chunk)
SCTP_SUBTYPE_CONSTRUCTOR(TIMEOUT, sctp_event_timeout_t, timeout)
......@@ -204,18 +204,18 @@ extern const char *sctp_param_tbl[];
/* Internal error codes */
typedef enum {
SCTP_IERROR_NO_ERROR = 0,
SCTP_IERROR_BASE = 1000,
SCTP_IERROR_NO_COOKIE,
SCTP_IERROR_BAD_SIG,
SCTP_IERROR_STALE_COOKIE,
SCTP_IERROR_NOMEM,
SCTP_IERROR_MALFORMED,
SCTP_IERROR_BAD_TAG,
SCTP_IERROR_BIG_GAP,
SCTP_IERROR_DUP_TSN,
SCTP_IERROR_NO_ERROR = 0,
SCTP_IERROR_BASE = 1000,
SCTP_IERROR_NO_COOKIE,
SCTP_IERROR_BAD_SIG,
SCTP_IERROR_STALE_COOKIE,
SCTP_IERROR_NOMEM,
SCTP_IERROR_MALFORMED,
SCTP_IERROR_BAD_TAG,
SCTP_IERROR_BIG_GAP,
SCTP_IERROR_DUP_TSN,
} sctp_ierror_t; /* enum */
} sctp_ierror_t;
......@@ -232,7 +232,7 @@ typedef enum {
SCTP_STATE_SHUTDOWN_RECEIVED = 7,
SCTP_STATE_SHUTDOWN_ACK_SENT = 8,
} sctp_state_t; /* enum */
} sctp_state_t;
#define SCTP_STATE_MAX SCTP_STATE_SHUTDOWN_ACK_SENT
#define SCTP_STATE_NUM_STATES (SCTP_STATE_MAX + 1)
......@@ -262,7 +262,7 @@ const char *sctp_oname(const sctp_subtype_t); /* other events */
const char *sctp_tname(const sctp_subtype_t); /* timeouts */
const char *sctp_pname(const sctp_subtype_t); /* primitives */
/* This is a table of printable names of sctp_state_t's. */
/* This is a table of printable names of sctp_state_t's. */
extern const char *sctp_state_tbl[], *sctp_evttype_tbl[], *sctp_status_tbl[];
/* SCTP reachability state for each address */
......@@ -281,7 +281,7 @@ extern const char *sctp_state_tbl[], *sctp_evttype_tbl[], *sctp_status_tbl[];
* NEVER make this more than 32767 (2^15-1). The Gap Ack Blocks in a
* SACK (see section 3.3.4) are only 16 bits, so 2*SCTP_TSN_MAP_SIZE
* must be less than 65535 (2^16 - 1), or we will have overflow
* problems creating SACK's.
* problems creating SACK's.
*/
#define SCTP_TSN_MAP_SIZE 2048
#define SCTP_TSN_MAX_GAP 65535
......@@ -289,20 +289,19 @@ extern const char *sctp_state_tbl[], *sctp_evttype_tbl[], *sctp_status_tbl[];
/* We will not record more than this many duplicate TSNs between two
* SACKs. The minimum PMTU is 576. Remove all the headers and there
* is enough room for 131 duplicate reports. Round down to the
* nearest power of 2.
* nearest power of 2.
*/
#define SCTP_MAX_DUP_TSNS 128
typedef enum {
SCTP_COUNTER_INIT_ERROR,
} sctp_counter_t;
} sctp_counter_t;
/* How many counters does an association need? */
#define SCTP_NUMBER_COUNTERS 5
/* Here we define the default timers.
*/
/* Here we define the default timers. */
/* cookie timer def = ? seconds */
#define SCTP_DEFAULT_TIMEOUT_T1_COOKIE (3 * HZ)
......@@ -355,7 +354,7 @@ typedef enum {
*/
#define SCTP_DEFAULT_MINSEGMENT 512 /* MTU size ... if no mtu disc */
#define SCTP_HOW_MANY_SECRETS 2 /* How many secrets I keep */
#define SCTP_HOW_LONG_COOKIE_LIVE 3600 /* How many seconds the current
#define SCTP_HOW_LONG_COOKIE_LIVE 3600 /* How many seconds the current
* secret will live?
*/
#define SCTP_SECRET_SIZE 32 /* Number of octets in a 256 bits. */
......@@ -370,10 +369,10 @@ typedef enum {
* routines which form the lower interface to SCTP_outqueue.
*/
typedef enum {
SCTP_XMIT_OK,
SCTP_XMIT_PMTU_FULL,
SCTP_XMIT_RWND_FULL,
SCTP_XMIT_MUST_FRAG,
SCTP_XMIT_OK,
SCTP_XMIT_PMTU_FULL,
SCTP_XMIT_RWND_FULL,
SCTP_XMIT_MUST_FRAG,
} sctp_xmit_t;
/* These are the commands for manipulating transports. */
......@@ -383,9 +382,9 @@ typedef enum {
} sctp_transport_cmd_t;
/* These are the address scopes defined mainly for IPv4 addresses
* based on draft of SCTP IPv4 scoping <draft-stewart-tsvwg-sctp-ipv4-00.txt>.
* These scopes are hopefully generic enough to be used on scoping both
* IPv4 and IPv6 addresses in SCTP.
* based on draft of SCTP IPv4 scoping <draft-stewart-tsvwg-sctp-ipv4-00.txt>.
* These scopes are hopefully generic enough to be used on scoping both
* IPv4 and IPv6 addresses in SCTP.
* At this point, the IPv6 scopes will be mapped to these internal scopes
* as much as possible.
*/
......@@ -397,10 +396,10 @@ typedef enum {
SCTP_SCOPE_UNUSABLE, /* IPv4 unusable addresses */
} sctp_scope_t;
/* Based on IPv4 scoping <draft-stewart-tsvwg-sctp-ipv4-00.txt>,
* SCTP IPv4 unusable addresses: 0.0.0.0/8, 224.0.0.0/4, 198.18.0.0/24,
/* Based on IPv4 scoping <draft-stewart-tsvwg-sctp-ipv4-00.txt>,
* SCTP IPv4 unusable addresses: 0.0.0.0/8, 224.0.0.0/4, 198.18.0.0/24,
* 192.88.99.0/24.
* Also, RFC 8.4, non-unicast addresses are not considered valid SCTP
* Also, RFC 8.4, non-unicast addresses are not considered valid SCTP
* addresses.
*/
#define IS_IPV4_UNUSABLE_ADDRESS(a) \
......@@ -436,7 +435,7 @@ typedef enum {
/* Flags used for the bind address copy functions. */
#define SCTP_ADDR6_ALLOWED 0x00000001 /* IPv6 address is allowed by
local sock family */
local sock family */
#define SCTP_ADDR4_PEERSUPP 0x00000002 /* IPv4 address is supported by
peer */
#define SCTP_ADDR6_PEERSUPP 0x00000004 /* IPv6 address is supported by
......
include/net/sctp/sctp_sla1.h
View file @ 13f5f8af
......@@ -31,28 +31,26 @@
#ifndef __SLA1_h__
#define __SLA1_h__
#ifdef __cplusplus
extern "C" {
#endif
struct SLA_1_Context {
unsigned int A;
unsigned int B;
unsigned int C;
unsigned int D;
unsigned int E;
unsigned int H0;
unsigned int H1;
unsigned int H2;
unsigned int H3;
unsigned int H4;
unsigned int words[80];
unsigned int TEMP;
/* block I am collecting to process */
char SLAblock[64];
struct SLA_1_Context{
unsigned int A;
unsigned int B;
unsigned int C;
unsigned int D;
unsigned int E;
unsigned int H0;
unsigned int H1;
unsigned int H2;
unsigned int H3;
unsigned int H4;
unsigned int words[80];
unsigned int TEMP;
/* block I am collecting to process */
char SLAblock[64];
/* collected so far */
int howManyInBlock;
unsigned int runningTotal;
/* collected so far */
int howManyInBlock;
unsigned int runningTotal;
};
......@@ -61,7 +59,7 @@ struct SLA_1_Context{
#define F3(B,C,D) ((B & C) | (B & D) | (C & D)) /* 40 <= t <= 59 */
#define F4(B,C,D) (B ^ C ^ D) /*600 <= t <= 79 */
/* circular shift */
#define CSHIFT(A,B) ((B << A) | (B >> (32-A)))
#define K1 0x5a827999 /* 0 <= t <= 19 */
......@@ -79,9 +77,4 @@ extern void SLA1_Init(struct SLA_1_Context *);
extern void SLA1_Process(struct SLA_1_Context *, const unsigned char *, int);
extern void SLA1_Final(struct SLA_1_Context *, unsigned char *);
#ifdef __cplusplus
}
#endif
#endif
include/net/sctp/sctp_sm.h
View file @ 13f5f8af
......@@ -52,7 +52,6 @@
*/
#include <linux/config.h>
#include <linux/types.h>
#include <linux/compiler.h>
#include <linux/sched.h>
......@@ -91,11 +90,11 @@ typedef sctp_disposition_t (sctp_state_fn_t) (const sctp_endpoint_t *,
sctp_cmd_seq_t *);
typedef void (sctp_timer_event_t) (unsigned long);
typedef struct {
sctp_state_fn_t *fn;
char *name;
sctp_state_fn_t *fn;
char *name;
} sctp_sm_table_entry_t;
/* A naming convention of "sctp_sf_xxx" applies to all the state functions
/* A naming convention of "sctp_sf_xxx" applies to all the state functions
* currently in use.
*/
......@@ -113,7 +112,7 @@ sctp_state_fn_t sctp_sf_cookie_echoed_abort;
sctp_state_fn_t sctp_sf_do_5_1B_init;
sctp_state_fn_t sctp_sf_do_5_1C_ack;
sctp_state_fn_t sctp_sf_do_5_1D_ce;
sctp_state_fn_t sctp_sf_do_5_1E_ca ;
sctp_state_fn_t sctp_sf_do_5_1E_ca;
sctp_state_fn_t sctp_sf_do_4_C;
sctp_state_fn_t sctp_sf_eat_data_6_2;
sctp_state_fn_t sctp_sf_eat_data_fast_4_4;
......@@ -162,10 +161,10 @@ sctp_state_fn_t sctp_sf_do_6_2_sack;
sctp_state_fn_t sctp_sf_autoclose_timer_expire;
/* These are state functions which are either obsolete or not in use yet.
/* These are state functions which are either obsolete or not in use yet.
* If any of these functions needs to be revived, it should be renamed with
* the "sctp_sf_xxx" prefix, and be moved to the above prototype groups.
*/
*/
/* Prototypes for chunk state functions. Not in use. */
sctp_state_fn_t sctp_sf_do_5_2_6_stale;
......@@ -189,7 +188,7 @@ sctp_state_fn_t sctp_addip_do_asconf;
sctp_state_fn_t sctp_addip_do_asconf_ack;
/* Prototypes for utility support functions. */
uint8_t sctp_get_chunk_type(sctp_chunk_t *chunk);
__u8 sctp_get_chunk_type(sctp_chunk_t *chunk);
sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type,
sctp_state_t state,
sctp_subtype_t event_subtype);
......@@ -198,13 +197,11 @@ time_t timeval_sub(struct timeval *, struct timeval *);
sctp_association_t *sctp_make_temp_asoc(const sctp_endpoint_t *,
sctp_chunk_t *,
const int priority);
uint32_t sctp_generate_verification_tag(void);
__u32 sctp_generate_verification_tag(void);
sctpParam_t sctp_get_my_addrs_raw(const sctp_association_t *,
const int priority, int *addrs_len);
void sctp_populate_tie_tags(uint8_t *cookie, uint32_t curTag, uint32_t hisTag);
void sctp_populate_tie_tags(__u8 *cookie, __u32 curTag, __u32 hisTag);
/* Prototypes for chunk-building functions. */
sctp_chunk_t *sctp_make_init(const sctp_association_t *,
......@@ -218,36 +215,36 @@ sctp_chunk_t *sctp_make_cookie_echo(const sctp_association_t *,
sctp_chunk_t *sctp_make_cookie_ack(const sctp_association_t *,
const sctp_chunk_t *);
sctp_chunk_t *sctp_make_cwr(const sctp_association_t *,
const uint32_t lowest_tsn,
const __u32 lowest_tsn,
const sctp_chunk_t *);
sctp_chunk_t *sctp_make_datafrag(sctp_association_t *,
const struct sctp_sndrcvinfo *sinfo,
int len, const uint8_t *data,
uint8_t flags, uint16_t ssn);
int len, const __u8 *data,
__u8 flags, __u16 ssn);
sctp_chunk_t * sctp_make_datafrag_empty(sctp_association_t *,
const struct sctp_sndrcvinfo *sinfo,
int len, const uint8_t flags,
uint16_t ssn);
int len, const __u8 flags,
__u16 ssn);
sctp_chunk_t *sctp_make_data(sctp_association_t *,
const struct sctp_sndrcvinfo *sinfo,
int len, const uint8_t *data);
int len, const __u8 *data);
sctp_chunk_t *sctp_make_data_empty(sctp_association_t *,
const struct sctp_sndrcvinfo *, int len);
sctp_chunk_t *sctp_make_ecne(const sctp_association_t *,
const uint32_t);
const __u32);
sctp_chunk_t *sctp_make_sack(const sctp_association_t *);
sctp_chunk_t *sctp_make_shutdown(const sctp_association_t *asoc);
sctp_chunk_t *sctp_make_shutdown_ack(const sctp_association_t *asoc,
const sctp_chunk_t *);
sctp_chunk_t *sctp_make_shutdown_complete(const sctp_association_t *,
const sctp_chunk_t *);
void sctp_init_cause(sctp_chunk_t *, uint16_t cause, const void *, size_t);
void sctp_init_cause(sctp_chunk_t *, __u16 cause, const void *, size_t);
sctp_chunk_t *sctp_make_abort(const sctp_association_t *,
const sctp_chunk_t *,
const size_t hint);
sctp_chunk_t *sctp_make_abort_no_data(const sctp_association_t *,
const sctp_chunk_t *,
uint32_t tsn);
__u32 tsn);
sctp_chunk_t *sctp_make_heartbeat(const sctp_association_t *,
const sctp_transport_t *,
const void *payload,
......@@ -258,7 +255,7 @@ sctp_chunk_t *sctp_make_heartbeat_ack(const sctp_association_t *,
const size_t paylen);
sctp_chunk_t *sctp_make_op_error(const sctp_association_t *,
const sctp_chunk_t *chunk,
uint16_t cause_code,
__u16 cause_code,
const void *payload,
size_t paylen);
void sctp_chunk_assign_tsn(sctp_chunk_t *);
......@@ -305,20 +302,20 @@ sctp_sackhdr_t *sctp_sm_pull_sack(sctp_chunk_t *);
sctp_cookie_param_t *
sctp_pack_cookie(const sctp_endpoint_t *, const sctp_association_t *,
const sctp_chunk_t *, int *cookie_len,
const uint8_t *, int addrs_len);
sctp_association_t *sctp_unpack_cookie(const sctp_endpoint_t *,
const __u8 *, int addrs_len);
sctp_association_t *sctp_unpack_cookie(const sctp_endpoint_t *,
const sctp_association_t *,
sctp_chunk_t *, int priority, int *err);
int sctp_addip_addr_config(sctp_association_t *, sctp_param_t,
struct sockaddr_storage*, int);
/* 3rd level prototypes */
uint32_t sctp_generate_tag(const sctp_endpoint_t *);
uint32_t sctp_generate_tsn(const sctp_endpoint_t *);
__u32 sctp_generate_tag(const sctp_endpoint_t *);
__u32 sctp_generate_tsn(const sctp_endpoint_t *);
/* 4th level prototypes */
void sctp_param2sockaddr(sockaddr_storage_t *addr, const sctpParam_t param,
uint16_t port);
__u16 port);
int sctp_addr2sockaddr(const sctpParam_t, sockaddr_storage_t *);
int sockaddr2sctp_addr(const sockaddr_storage_t *, sctpParam_t);
......@@ -336,17 +333,15 @@ extern sctp_timer_event_t *sctp_timer_events[SCTP_NUM_TIMEOUT_TYPES];
/* Get the size of a DATA chunk payload. */
static inline uint16_t
sctp_data_size(sctp_chunk_t *chunk)
static inline __u16 sctp_data_size(sctp_chunk_t *chunk)
{
uint16_t size;
__u16 size;
size = ntohs(chunk->chunk_hdr->length);
size -= sizeof(sctp_data_chunk_t);
return(size);
} /* sctp_data_size( ) */
return size;
}
/* Compare two TSNs */
......@@ -366,12 +361,12 @@ sctp_data_size(sctp_chunk_t *chunk)
* s2, and
*
* (i1 < i2 and i2 - i1 > 2^(SERIAL_BITS - 1)) or
* (i1 > i2 and i1 - i2 < 2^(SERIAL_BITS - 1))
* (i1 > i2 and i1 - i2 < 2^(SERIAL_BITS - 1))
*/
/*
* RFC 2960
* 1.6 Serial Number Arithmetic
* 1.6 Serial Number Arithmetic
*
* Comparisons and arithmetic on TSNs in this document SHOULD use Serial
* Number Arithmetic as defined in [RFC1982] where SERIAL_BITS = 32.
......@@ -381,14 +376,12 @@ enum {
TSN_SIGN_BIT = (1<<31)
};
static inline int
TSN_lt(__u32 s, __u32 t)
static inline int TSN_lt(__u32 s, __u32 t)
{
return (((s) - (t)) & TSN_SIGN_BIT);
}
static inline int
TSN_lte(__u32 s, __u32 t)
static inline int TSN_lte(__u32 s, __u32 t)
{
return (((s) == (t)) || (((s) - (t)) & TSN_SIGN_BIT));
}
......@@ -397,37 +390,31 @@ TSN_lte(__u32 s, __u32 t)
/*
* RFC 2960
* 1.6 Serial Number Arithmetic
* 1.6 Serial Number Arithmetic
*
* Comparisons and arithmetic on Stream Sequence Numbers in this document
* SHOULD use Serial Number Arithmetic as defined in [RFC1982] where
* Comparisons and arithmetic on Stream Sequence Numbers in this document
* SHOULD use Serial Number Arithmetic as defined in [RFC1982] where
* SERIAL_BITS = 16.
*/
enum {
SSN_SIGN_BIT = (1<<15)
};
static inline int
SSN_lt(__u16 s, __u16 t)
static inline int SSN_lt(__u16 s, __u16 t)
{
return (((s) - (t)) & SSN_SIGN_BIT);
}
static inline int
SSN_lte(__u16 s, __u16 t)
static inline int SSN_lte(__u16 s, __u16 t)
{
return (((s) == (t)) || (((s) - (t)) & SSN_SIGN_BIT));
}
/* Run sctp_add_cmd() generating a BUG() if there is a failure. */
static inline void
sctp_add_cmd_sf(sctp_cmd_seq_t *seq, sctp_verb_t verb, sctp_arg_t obj)
static inline void sctp_add_cmd_sf(sctp_cmd_seq_t *seq, sctp_verb_t verb, sctp_arg_t obj)
{
if (unlikely(!sctp_add_cmd(seq, verb, obj))) {
if (unlikely(!sctp_add_cmd(seq, verb, obj)))
BUG();
}
} /* sctp_add_cmd_sf() */
}
#endif /* __sctp_sm_h__ */
include/net/sctp/sctp_structs.h
View file @ 13f5f8af
This diff is collapsed.
include/net/sctp/sctp_tsnmap.h
View file @ 13f5f8af
......@@ -52,77 +52,76 @@
*/
typedef struct sctp_tsnmap {
/* This array counts the number of chunks with each TSN.
* It points at one of the two buffers with which we will
* ping-pong between.
* ping-pong between.
*/
uint8_t *tsn_map;
__u8 *tsn_map;
/* This marks the tsn which overflows the tsn_map, when the
* cumulative ack point reaches this point we know we can switch
* maps (tsn_map and overflow_map swap).
*/
uint32_t overflow_tsn;
__u32 overflow_tsn;
/* This is the overflow array for tsn_map.
* It points at one of the other ping-pong buffers.
*/
uint8_t *overflow_map;
__u8 *overflow_map;
/* This is the TSN at tsn_map[0]. */
uint32_t base_tsn;
__u32 base_tsn;
/* Last Rcvd : This is the last TSN received in
/* Last Rcvd : This is the last TSN received in
* TSN : sequence. This value is set initially by
* : taking the peer's Initial TSN, received in
* : the INIT or INIT ACK chunk, and subtracting
* : one from it.
* : one from it.
*
* Throughout most of the specification this is called the
* "Cumulative TSN ACK Point". In this case, we
* ignore the advice in 12.2 in favour of the term
* used in the bulk of the text.
*/
uint32_t cumulative_tsn_ack_point;
*/
__u32 cumulative_tsn_ack_point;
/* This is the minimum number of TSNs we can track. This corresponds
* to the size of tsn_map. Note: the overflow_map allows us to
* potentially track more than this quantity.
* to the size of tsn_map. Note: the overflow_map allows us to
* potentially track more than this quantity.
*/
uint16_t len;
__u16 len;
/* This is the highest TSN we've marked. */
uint32_t max_tsn_seen;
__u32 max_tsn_seen;
/* No. of data chunks pending receipt. used by SCTP_STATUS sockopt */
uint16_t pending_data;
__u16 pending_data;
int malloced;
uint8_t raw_map[0];
__u8 raw_map[0];
} sctp_tsnmap_t;
typedef struct sctp_tsnmap_iter {
uint32_t start;
__u32 start;
} sctp_tsnmap_iter_t;
/* Create a new tsnmap. */
sctp_tsnmap_t *sctp_tsnmap_new(uint16_t len, uint32_t initial_tsn,
sctp_tsnmap_t *sctp_tsnmap_new(__u16 len, __u32 initial_tsn,
int priority);
/* Dispose of a tsnmap. */
void sctp_tsnmap_free(sctp_tsnmap_t *map);
/* This macro assists in creation of external storage for variable length
/* This macro assists in creation of external storage for variable length
* internal buffers. We double allocate so the overflow map works.
*/
#define sctp_tsnmap_storage_size(count) (sizeof(uint8_t) * (count) * 2)
#define sctp_tsnmap_storage_size(count) (sizeof(__u8) * (count) * 2)
/* Initialize a block of memory as a tsnmap. */
sctp_tsnmap_t *sctp_tsnmap_init(sctp_tsnmap_t *map, uint16_t len,
uint32_t initial_tsn);
sctp_tsnmap_t *sctp_tsnmap_init(sctp_tsnmap_t *map, __u16 len, __u32 initial_tsn);
......@@ -132,16 +131,16 @@ sctp_tsnmap_t *sctp_tsnmap_init(sctp_tsnmap_t *map, uint16_t len,
* >0 if the TSN has been seen (duplicate)
* <0 if the TSN is invalid (too large to track)
*/
int sctp_tsnmap_check(const sctp_tsnmap_t *map, uint32_t tsn);
int sctp_tsnmap_check(const sctp_tsnmap_t *map, __u32 tsn);
/* Mark this TSN as seen. */
void sctp_tsnmap_mark(sctp_tsnmap_t *map, uint32_t tsn);
void sctp_tsnmap_mark(sctp_tsnmap_t *map, __u32 tsn);
/* Retrieve the Cumulative TSN ACK Point. */
uint32_t sctp_tsnmap_get_ctsn(const sctp_tsnmap_t *map);
__u32 sctp_tsnmap_get_ctsn(const sctp_tsnmap_t *map);
/* Retrieve the highest TSN we've seen. */
uint32_t sctp_tsnmap_get_max_tsn_seen(const sctp_tsnmap_t *map);
__u32 sctp_tsnmap_get_max_tsn_seen(const sctp_tsnmap_t *map);
/* Is there a gap in the TSN map? */
int sctp_tsnmap_has_gap(const sctp_tsnmap_t *map);
......@@ -152,9 +151,8 @@ void sctp_tsnmap_iter_init(const sctp_tsnmap_t *map, sctp_tsnmap_iter_t *iter);
/* Get the next gap ack blocks. We return 0 if there are no more
* gap ack blocks.
*/
int
sctp_tsnmap_next_gap_ack(const sctp_tsnmap_t *map, sctp_tsnmap_iter_t *iter,
uint16_t *start, uint16_t *end);
int sctp_tsnmap_next_gap_ack(const sctp_tsnmap_t *map, sctp_tsnmap_iter_t *iter,
__u16 *start, __u16 *end);
#endif /* __sctp_tsnmap_h__ */
......
include/net/sctp/sctp_ulpevent.h
View file @ 13f5f8af
......@@ -45,8 +45,8 @@
#define __sctp_ulpevent_h__
/* A structure to carry information to the ULP (e.g. Sockets API) */
/* Warning: This sits inside an skb.cb[] area. Be very careful of
* growing this structure as it is at the maximum limit now.
/* Warning: This sits inside an skb.cb[] area. Be very careful of
* growing this structure as it is at the maximum limit now.
*/
typedef struct sctp_ulpevent {
int malloced;
......@@ -58,83 +58,73 @@ typedef struct sctp_ulpevent {
} sctp_ulpevent_t;
sctp_ulpevent_t *
sctp_ulpevent_new(int size, int msg_flags, int priority);
sctp_ulpevent_t *sctp_ulpevent_new(int size, int msg_flags, int priority);
sctp_ulpevent_t *
sctp_ulpevent_init(sctp_ulpevent_t *event, struct sk_buff *skb, int msg_flags);
sctp_ulpevent_t *sctp_ulpevent_init(sctp_ulpevent_t *event, struct sk_buff *skb, int msg_flags);
void
sctp_ulpevent_free(sctp_ulpevent_t *event);
void sctp_ulpevent_free(sctp_ulpevent_t *event);
int sctp_ulpevent_is_notification(const sctp_ulpevent_t *event);
int
sctp_ulpevent_is_notification(const sctp_ulpevent_t *event);
sctp_ulpevent_t *
sctp_ulpevent_make_assoc_change(const struct SCTP_association *asoc,
uint16_t flags,
uint16_t state,
uint16_t error,
uint16_t outbound,
uint16_t inbound,
sctp_ulpevent_t *sctp_ulpevent_make_assoc_change(
const struct SCTP_association *asoc,
__u16 flags,
__u16 state,
__u16 error,
__u16 outbound,
__u16 inbound,
int priority);
sctp_ulpevent_t *
sctp_ulpevent_make_peer_addr_change(const struct SCTP_association *asoc,
const struct sockaddr_storage *aaddr,
int flags,
int state,
int error,
int priority);
sctp_ulpevent_t *sctp_ulpevent_make_peer_addr_change(
const struct SCTP_association *asoc,
const struct sockaddr_storage *aaddr,
int flags,
int state,
int error,
int priority);
sctp_ulpevent_t *
sctp_ulpevent_make_remote_error(const struct SCTP_association *asoc,
sctp_ulpevent_t *sctp_ulpevent_make_remote_error(
const struct SCTP_association *asoc,
struct SCTP_chunk *chunk,
__u16 flags,
int priority);
sctp_ulpevent_t *sctp_ulpevent_make_send_failed(
const struct SCTP_association *asoc,
struct SCTP_chunk *chunk,
uint16_t flags,
__u16 flags,
__u32 error,
int priority);
sctp_ulpevent_t *
sctp_ulpevent_make_send_failed(const struct SCTP_association *asoc,
struct SCTP_chunk *chunk,
uint16_t flags,
uint32_t error,
int priority);
sctp_ulpevent_t *
sctp_ulpevent_make_shutdown_event(const struct SCTP_association *asoc,
uint16_t flags,
int priority);
sctp_ulpevent_t *sctp_ulpevent_make_shutdown_event(
const struct SCTP_association *asoc,
__u16 flags,
int priority);
sctp_ulpevent_t *
sctp_ulpevent_make_rcvmsg(struct SCTP_association *asoc,
struct SCTP_chunk *chunk,
int priority);
sctp_ulpevent_t *sctp_ulpevent_make_rcvmsg(struct SCTP_association *asoc,
struct SCTP_chunk *chunk,
int priority);
void
sctp_ulpevent_read_sndrcvinfo(const sctp_ulpevent_t *event,
struct msghdr *msghdr);
void sctp_ulpevent_read_sndrcvinfo(const sctp_ulpevent_t *event,
struct msghdr *msghdr);
uint16_t
sctp_ulpevent_get_notification_type(const sctp_ulpevent_t *event);
__u16 sctp_ulpevent_get_notification_type(const sctp_ulpevent_t *event);
/* Given an event subscription, is this event enabled? */
static inline int
sctp_ulpevent_is_enabled(const sctp_ulpevent_t *event,
const struct sctp_event_subscribe *mask)
static inline int sctp_ulpevent_is_enabled(const sctp_ulpevent_t *event,
const struct sctp_event_subscribe *mask)
{
const char *amask = (const char *)mask;
uint16_t sn_type;
const char *amask = (const char *) mask;
__u16 sn_type;
int enabled = 1;
if (sctp_ulpevent_is_notification(event)) {
sn_type = sctp_ulpevent_get_notification_type(event);
enabled = amask[sn_type - SCTP_SN_TYPE_BASE];
}
return(enabled);
} /* sctp_ulpevent_is_enabled() */
return enabled;
}
#endif /* __sctp_ulpevent_h__ */
......
include/net/sctp/sctp_ulpqueue.h
View file @ 13f5f8af
......@@ -50,47 +50,40 @@ typedef struct sctp_ulpqueue {
sctp_association_t *asoc;
struct sk_buff_head reasm;
struct sk_buff_head lobby;
uint16_t ssn[0];
__u16 ssn[0];
} sctp_ulpqueue_t;
/* This macro assists in creation of external storage for variable length
* internal buffers.
/* This macro assists in creation of external storage for variable length
* internal buffers.
*/
#define sctp_ulpqueue_storage_size(inbound) (sizeof(uint16_t) * (inbound))
#define sctp_ulpqueue_storage_size(inbound) (sizeof(__u16) * (inbound))
sctp_ulpqueue_t *
sctp_ulpqueue_new(sctp_association_t *asoc,
uint16_t inbound,
int priority);
sctp_ulpqueue_t *sctp_ulpqueue_new(sctp_association_t *asoc,
__u16 inbound,
int priority);
sctp_ulpqueue_t *
sctp_ulpqueue_init(sctp_ulpqueue_t *ulpq,
sctp_association_t *asoc,
uint16_t inbound);
sctp_ulpqueue_t *sctp_ulpqueue_init(sctp_ulpqueue_t *ulpq,
sctp_association_t *asoc,
__u16 inbound);
void
sctp_ulpqueue_free(sctp_ulpqueue_t *);
void sctp_ulpqueue_free(sctp_ulpqueue_t *);
/* Add a new DATA chunk for processing. */
int
sctp_ulpqueue_tail_data(sctp_ulpqueue_t *,
sctp_chunk_t *chunk,
int priority);
int sctp_ulpqueue_tail_data(sctp_ulpqueue_t *,
sctp_chunk_t *chunk,
int priority);
/* Add a new event for propogation to the ULP. */
int
sctp_ulpqueue_tail_event(sctp_ulpqueue_t *,
sctp_ulpevent_t *event);
int sctp_ulpqueue_tail_event(sctp_ulpqueue_t *,
sctp_ulpevent_t *event);
/* Is the ulpqueue empty. */
int
sctp_ulpqueue_is_empty(sctp_ulpqueue_t *);
int sctp_ulpqueue_is_empty(sctp_ulpqueue_t *);
int
sctp_ulpqueue_is_data_empty(sctp_ulpqueue_t *);
int sctp_ulpqueue_is_data_empty(sctp_ulpqueue_t *);
#endif /* __sctp_ulpqueue_h__ */
......
include/net/sctp/sctp_user.h
View file @ 13f5f8af
This diff is collapsed.
net/sctp/Config.help
View file @ 13f5f8af
......@@ -17,6 +17,11 @@ CONFIG_IP_SCTP
-- network-level fault tolerance through supporting of multi-
homing at either or both ends of an association."
This protocol support is also available as a module ( = code which
can be inserted in and removed from the running kernel whenever you
want). The module will be called sctp.o. If you want to compile it
as a module, say M here and read <file:Documentation/modules.txt>.
If in doubt, say N.
CONFIG_SCTP_ADLER32
......
net/sctp/Makefile
View file @ 13f5f8af
......@@ -4,25 +4,25 @@
obj-$(CONFIG_IP_SCTP) += sctp.o
obj-y := sctp_sm_statetable.o sctp_sm_statefuns.o sctp_sm_sideeffect.o \
sctp_protocol.o sctp_endpointola.o sctp_associola.o \
sctp_transport.o sctp_sm_make_chunk.o sctp_ulpevent.o \
sctp_inqueue.o sctp_outqueue.o sctp_ulpqueue.o sctp_command.o \
sctp_tsnmap.o sctp_bind_addr.o sctp_socket.o sctp_primitive.o \
sctp_output.o sctp_input.o sctp_hashdriver.o sctp_sla1.o \
sctp_debug.o
sctp-y := sctp_sm_statetable.o sctp_sm_statefuns.o sctp_sm_sideeffect.o \
sctp_protocol.o sctp_endpointola.o sctp_associola.o \
sctp_transport.o sctp_sm_make_chunk.o sctp_ulpevent.o \
sctp_inqueue.o sctp_outqueue.o sctp_ulpqueue.o sctp_command.o \
sctp_tsnmap.o sctp_bind_addr.o sctp_socket.o sctp_primitive.o \
sctp_output.o sctp_input.o sctp_hashdriver.o sctp_sla1.o \
sctp_debug.o
ifeq ($(CONFIG_SCTP_ADLER32), y)
obj-y += sctp_adler32.o
sctp-y += sctp_adler32.o
else
obj-y += sctp_crc32c.o
sctp-y += sctp_crc32c.o
endif
obj-$(CONFIG_SCTP_DBG_OBJCNT) += sctp_objcnt.o
obj-$(CONFIG_SYSCTL) += sctp_sysctl.o
sctp-$(CONFIG_SCTP_DBG_OBJCNT) += sctp_objcnt.o
sctp-$(CONFIG_SYSCTL) += sctp_sysctl.o
obj-$(subst m,y,$(CONFIG_IPV6)) += sctp_ipv6.o
sctp-$(subst m,y,$(CONFIG_IPV6)) += sctp_ipv6.o
sctp-objs := $(obj-y)
sctp-objs := $(sctp-y)
include $(TOPDIR)/Rules.make
net/sctp/sctp_adler32.c
View file @ 13f5f8af
......@@ -47,21 +47,21 @@ static char *cvs_id __attribute__ ((unused)) = "$Id: sctp_adler32.c,v 1.5 2002/0
/* This is an entry point for external calls
* Define this function in the header file. This is
* direct from rfc1950, ...
*
* The following C code computes the Adler-32 checksum of a data buffer.
It is written for clarity, not for speed. The sample code is in the
ANSI C programming language. Non C users may find it easier to read
with these hints:
& Bitwise AND operator.
>> Bitwise right shift operator. When applied to an
unsigned quantity, as here, right shift inserts zero bit(s)
at the left.
<< Bitwise left shift operator. Left shift inserts zero
bit(s) at the right.
++ "n++" increments the variable n.
% modulo operator: a % b is the remainder of a divided by b.
* It is written for clarity, not for speed. The sample code is in the
* ANSI C programming language. Non C users may find it easier to read
* with these hints:
*
* & Bitwise AND operator.
* >> Bitwise right shift operator. When applied to an
* unsigned quantity, as here, right shift inserts zero bit(s)
* at the left.
* << Bitwise left shift operator. Left shift inserts zero
* bit(s) at the right.
* ++ "n++" increments the variable n.
* % modulo operator: a % b is the remainder of a divided by b.
*
* Well, the above is a bit of a lie, I have optimized this a small
* tad, but I have commented the original lines below
*/
......@@ -81,71 +81,70 @@ static char *cvs_id __attribute__ ((unused)) = "$Id: sctp_adler32.c,v 1.5 2002/0
* it back and we will incorporate it :-)
*/
unsigned long update_adler32(unsigned long adler,
unsigned char *buf, int len)
{
uint32_t s1 = adler & 0xffff;
uint32_t s2 = (adler >> 16) & 0xffff;
__u32 s1 = adler & 0xffff;
__u32 s2 = (adler >> 16) & 0xffff;
int n;
for (n = 0; n < len; n++,buf++) {
/* s1 = (s1 + buf[n]) % BASE */
/* first we add */
s1 = (s1 + *buf);
/* Now if we need to, we do a mod by
* subtracting. It seems a bit faster
* since I really will only ever do
* one subtract at the MOST, since buf[n]
* is a max of 255.
*/
if(s1 >= BASE){
s1 -= BASE;
}
/* s2 = (s2 + s1) % BASE */
/* first we add */
s2 = (s2 + s1);
/* again, it is more efficent (it seems) to
* subtract since the most s2 will ever be
* is (BASE-1 + BASE-1) in the worse case.
* This would then be (2 * BASE) - 2, which
* will still only do one subtract. On Intel
* this is much better to do this way and
* avoid the divide. Have not -pg'd on
* sparc.
*/
if(s2 >= BASE){
/* s2 %= BASE;*/
s2 -= BASE;
}
}
/* Return the adler32 of the bytes buf[0..len-1] */
return (s2 << 16) + s1;
for (n = 0; n < len; n++,buf++) {
/* s1 = (s1 + buf[n]) % BASE */
/* first we add */
s1 = (s1 + *buf);
/* Now if we need to, we do a mod by
* subtracting. It seems a bit faster
* since I really will only ever do
* one subtract at the MOST, since buf[n]
* is a max of 255.
*/
if(s1 >= BASE)
s1 -= BASE;
/* s2 = (s2 + s1) % BASE */
/* first we add */
s2 = (s2 + s1);
/* again, it is more efficent (it seems) to
* subtract since the most s2 will ever be
* is (BASE-1 + BASE-1) in the worse case.
* This would then be (2 * BASE) - 2, which
* will still only do one subtract. On Intel
* this is much better to do this way and
* avoid the divide. Have not -pg'd on
* sparc.
*/
if (s2 >= BASE) {
/* s2 %= BASE;*/
s2 -= BASE;
}
}
/* Return the adler32 of the bytes buf[0..len-1] */
return (s2 << 16) + s1;
}
uint32_t
count_crc(uint8_t *ptr,
uint16_t count)
__u32 count_crc(__u8 *ptr, __u16 count)
{
/*
* Update a running Adler-32 checksum with the bytes
* buf[0..len-1] and return the updated checksum. The Adler-32
* checksum should be initialized to 1.
*/
uint32_t adler = 1L;
uint32_t zero = 0L;
/*
* Update a running Adler-32 checksum with the bytes
* buf[0..len-1] and return the updated checksum. The Adler-32
* checksum should be initialized to 1.
*/
__u32 adler = 1L;
__u32 zero = 0L;
/* Calculate the CRC up to the checksum field. */
adler = update_adler32(adler, ptr,
sizeof(struct sctphdr) - sizeof(uint32_t));
adler = update_adler32(adler, ptr,
sizeof(struct sctphdr) - sizeof(__u32));
/* Skip over the checksum field. */
adler = update_adler32(adler, &zero, sizeof(uint32_t));
adler = update_adler32(adler, &zero, sizeof(__u32));
ptr += sizeof(struct sctphdr);
count -= sizeof(struct sctphdr);
/* Calculate the rest of the Adler-32. */
adler = update_adler32(adler, ptr, count);
return(adler);
}
return adler;
}
net/sctp/sctp_associola.c
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net/sctp/sctp_bind_addr.c
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net/sctp/sctp_command.c
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......@@ -42,82 +42,67 @@
static char *cvs_id __attribute__ ((unused)) = "$Id: sctp_command.c,v 1.4 2002/04/24 16:33:39 jgrimm Exp $";
#include <linux/config.h>
#include <linux/types.h>
#include <net/sctp/sctp.h>
#include <net/sctp/sctp_sm.h>
/* Create a new sctp_command_sequence. */
sctp_cmd_seq_t *
sctp_new_cmd_seq(int priority)
sctp_cmd_seq_t *sctp_new_cmd_seq(int priority)
{
sctp_cmd_seq_t *retval;
retval = t_new(sctp_cmd_seq_t, priority);
sctp_cmd_seq_t *retval = t_new(sctp_cmd_seq_t, priority);
/* XXX Check for NULL? -DaveM */
sctp_init_cmd_seq(retval);
return retval;
} /* sctp_new_cmd_seq() */
}
/* Initialize a block of memory as a command sequence. */
int
sctp_init_cmd_seq(sctp_cmd_seq_t *seq)
int sctp_init_cmd_seq(sctp_cmd_seq_t *seq)
{
memset(seq, 0, sizeof(sctp_cmd_seq_t));
return 1; /* We always succeed. */
} /* sctp_init_cmd_seq() */
}
/* Add a command to a sctp_cmd_seq_t.
* Return 0 if the command sequence is full.
*/
int
sctp_add_cmd(sctp_cmd_seq_t *seq, sctp_verb_t verb, sctp_arg_t obj)
int sctp_add_cmd(sctp_cmd_seq_t *seq, sctp_verb_t verb, sctp_arg_t obj)
{
if (seq->next_free_slot >= SCTP_MAX_NUM_COMMANDS) {
if (seq->next_free_slot >= SCTP_MAX_NUM_COMMANDS)
goto fail;
}
seq->cmds[seq->next_free_slot].verb = verb;
seq->cmds[seq->next_free_slot++].obj = obj;
return 1;
fail:
return 0;
} /* sctp_add_cmd() */
fail:
return 0;
}
/* Rewind an sctp_cmd_seq_t to iterate from the start. */
int
sctp_rewind_sequence(sctp_cmd_seq_t *seq)
int sctp_rewind_sequence(sctp_cmd_seq_t *seq)
{
seq->next_cmd = 0;
return 1; /* We always succeed. */
} /* sctp_rewind_sequence() */
}
/* Return the next command structure in a sctp_cmd_seq.
* Returns NULL at the end of the sequence.
*/
sctp_cmd_t *
sctp_next_cmd(sctp_cmd_seq_t *seq)
sctp_cmd_t *sctp_next_cmd(sctp_cmd_seq_t *seq)
{
sctp_cmd_t *retval = NULL;
if (seq->next_cmd < seq->next_free_slot) {
if (seq->next_cmd < seq->next_free_slot)
retval = &seq->cmds[seq->next_cmd++];
}
return retval;
} /* sctp_next_cmd() */
}
/* Dispose of a command sequence. */
void
sctp_free_cmd_seq(sctp_cmd_seq_t *seq)
void sctp_free_cmd_seq(sctp_cmd_seq_t *seq)
{
kfree(seq);
} /* sctp_free_cmd_seq() */
}
net/sctp/sctp_crc32c.c
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net/sctp/sctp_primitive.c
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net/sctp/sctp_protocol.c
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net/sctp/sctp_sla1.c
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net/sctp/sctp_sm_make_chunk.c
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net/sctp/sctp_sm_sideeffect.c
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net/sctp/sctp_sm_statefuns.c
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net/sctp/sctp_sm_statetable.c
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net/sctp/sctp_socket.c
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net/sctp/sctp_sysctl.c
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net/sctp/sctp_transport.c
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net/sctp/sctp_tsnmap.c
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net/sctp/sctp_ulpevent.c
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net/sctp/sctp_ulpqueue.c
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