summaryrefslogtreecommitdiff
path: root/include/net/sctp
diff options
context:
space:
mode:
Diffstat (limited to 'include/net/sctp')
-rw-r--r--include/net/sctp/command.h70
-rw-r--r--include/net/sctp/constants.h89
-rw-r--r--include/net/sctp/sctp.h23
-rw-r--r--include/net/sctp/sm.h205
-rw-r--r--include/net/sctp/structs.h74
-rw-r--r--include/net/sctp/ulpevent.h6
6 files changed, 235 insertions, 232 deletions
diff --git a/include/net/sctp/command.h b/include/net/sctp/command.h
index d4679e7a5ed5..b55c6a48a206 100644
--- a/include/net/sctp/command.h
+++ b/include/net/sctp/command.h
@@ -40,7 +40,7 @@
#include <net/sctp/structs.h>
-typedef enum {
+enum sctp_verb {
SCTP_CMD_NOP = 0, /* Do nothing. */
SCTP_CMD_NEW_ASOC, /* Register a new association. */
SCTP_CMD_DELETE_TCB, /* Delete the current association. */
@@ -108,16 +108,16 @@ typedef enum {
SCTP_CMD_PURGE_ASCONF_QUEUE, /* Purge all asconf queues.*/
SCTP_CMD_SET_ASOC, /* Restore association context */
SCTP_CMD_LAST
-} sctp_verb_t;
+};
-/* How many commands can you put in an sctp_cmd_seq_t?
+/* How many commands can you put in an struct sctp_cmd_seq?
* This is a rather arbitrary number, ideally derived from a careful
* analysis of the state functions, but in reality just taken from
* thin air in the hopes othat we don't trigger a kernel panic.
*/
#define SCTP_MAX_NUM_COMMANDS 20
-typedef union {
+union sctp_arg {
void *zero_all; /* Set to NULL to clear the entire union */
__s32 i32;
__u32 u32;
@@ -126,8 +126,8 @@ typedef union {
__u8 u8;
int error;
__be16 err;
- sctp_state_t state;
- sctp_event_timeout_t to;
+ enum sctp_state state;
+ enum sctp_event_timeout to;
struct sctp_chunk *chunk;
struct sctp_association *asoc;
struct sctp_transport *transport;
@@ -135,26 +135,26 @@ typedef union {
struct sctp_init_chunk *init;
struct sctp_ulpevent *ulpevent;
struct sctp_packet *packet;
- sctp_sackhdr_t *sackh;
+ struct sctp_sackhdr *sackh;
struct sctp_datamsg *msg;
-} 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.
+ * union sctp_arg. It does this by inserting the sole argument into
+ * the ELT union element of a local union sctp_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
+ * which takes an __s32 and returns a union sctp_arg containing the
* __s32. So, after foo = SCTP_I32(arg), foo.i32 == arg.
*/
#define SCTP_ARG_CONSTRUCTOR(name, type, elt) \
-static inline sctp_arg_t \
+static inline union sctp_arg \
SCTP_## name (type arg) \
-{ sctp_arg_t retval;\
+{ union sctp_arg retval;\
retval.zero_all = NULL;\
retval.elt = arg;\
return retval;\
@@ -167,8 +167,8 @@ SCTP_ARG_CONSTRUCTOR(U16, __u16, u16)
SCTP_ARG_CONSTRUCTOR(U8, __u8, u8)
SCTP_ARG_CONSTRUCTOR(ERROR, int, error)
SCTP_ARG_CONSTRUCTOR(PERR, __be16, err) /* protocol error */
-SCTP_ARG_CONSTRUCTOR(STATE, sctp_state_t, state)
-SCTP_ARG_CONSTRUCTOR(TO, sctp_event_timeout_t, to)
+SCTP_ARG_CONSTRUCTOR(STATE, enum sctp_state, state)
+SCTP_ARG_CONSTRUCTOR(TO, enum sctp_event_timeout, to)
SCTP_ARG_CONSTRUCTOR(CHUNK, struct sctp_chunk *, chunk)
SCTP_ARG_CONSTRUCTOR(ASOC, struct sctp_association *, asoc)
SCTP_ARG_CONSTRUCTOR(TRANSPORT, struct sctp_transport *, transport)
@@ -176,42 +176,42 @@ SCTP_ARG_CONSTRUCTOR(BA, struct sctp_bind_addr *, bp)
SCTP_ARG_CONSTRUCTOR(PEER_INIT, struct sctp_init_chunk *, init)
SCTP_ARG_CONSTRUCTOR(ULPEVENT, struct sctp_ulpevent *, ulpevent)
SCTP_ARG_CONSTRUCTOR(PACKET, struct sctp_packet *, packet)
-SCTP_ARG_CONSTRUCTOR(SACKH, sctp_sackhdr_t *, sackh)
+SCTP_ARG_CONSTRUCTOR(SACKH, struct sctp_sackhdr *, sackh)
SCTP_ARG_CONSTRUCTOR(DATAMSG, struct sctp_datamsg *, msg)
-static inline sctp_arg_t SCTP_FORCE(void)
+static inline union sctp_arg SCTP_FORCE(void)
{
return SCTP_I32(1);
}
-static inline sctp_arg_t SCTP_NOFORCE(void)
+static inline union sctp_arg SCTP_NOFORCE(void)
{
return SCTP_I32(0);
}
-static inline sctp_arg_t SCTP_NULL(void)
+static inline union sctp_arg SCTP_NULL(void)
{
- sctp_arg_t retval;
+ union sctp_arg retval;
retval.zero_all = NULL;
return retval;
}
-typedef struct {
- sctp_arg_t obj;
- sctp_verb_t verb;
-} sctp_cmd_t;
+struct sctp_cmd {
+ union sctp_arg obj;
+ enum sctp_verb verb;
+};
-typedef struct {
- sctp_cmd_t cmds[SCTP_MAX_NUM_COMMANDS];
- sctp_cmd_t *last_used_slot;
- sctp_cmd_t *next_cmd;
-} sctp_cmd_seq_t;
+struct sctp_cmd_seq {
+ struct sctp_cmd cmds[SCTP_MAX_NUM_COMMANDS];
+ struct sctp_cmd *last_used_slot;
+ struct sctp_cmd *next_cmd;
+};
/* Initialize a block of memory as a command sequence.
* Return 0 if the initialization fails.
*/
-static inline int sctp_init_cmd_seq(sctp_cmd_seq_t *seq)
+static inline int sctp_init_cmd_seq(struct sctp_cmd_seq *seq)
{
/* cmds[] is filled backwards to simplify the overflow BUG() check */
seq->last_used_slot = seq->cmds + SCTP_MAX_NUM_COMMANDS;
@@ -220,15 +220,15 @@ static inline int sctp_init_cmd_seq(sctp_cmd_seq_t *seq)
}
-/* Add a command to an sctp_cmd_seq_t.
+/* Add a command to an struct sctp_cmd_seq.
*
* Use the SCTP_* constructors defined by SCTP_ARG_CONSTRUCTOR() above
* to wrap data which goes in the obj argument.
*/
-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(struct sctp_cmd_seq *seq,
+ enum sctp_verb verb, union sctp_arg obj)
{
- sctp_cmd_t *cmd = seq->last_used_slot - 1;
+ struct sctp_cmd *cmd = seq->last_used_slot - 1;
BUG_ON(cmd < seq->cmds);
@@ -240,7 +240,7 @@ static inline void sctp_add_cmd_sf(sctp_cmd_seq_t *seq, sctp_verb_t verb,
/* Return the next command structure in an sctp_cmd_seq.
* Return NULL at the end of the sequence.
*/
-static inline sctp_cmd_t *sctp_next_cmd(sctp_cmd_seq_t *seq)
+static inline struct sctp_cmd *sctp_next_cmd(struct sctp_cmd_seq *seq)
{
if (seq->next_cmd <= seq->last_used_slot)
return NULL;
diff --git a/include/net/sctp/constants.h b/include/net/sctp/constants.h
index 9b18044c551e..deaafa9b09cb 100644
--- a/include/net/sctp/constants.h
+++ b/include/net/sctp/constants.h
@@ -42,7 +42,7 @@
#include <linux/sctp.h>
#include <linux/ipv6.h> /* For ipv6hdr. */
-#include <net/tcp_states.h> /* For TCP states used in sctp_sock_state_t */
+#include <net/tcp_states.h> /* For TCP states used in enum sctp_sock_state */
/* Value used for stream negotiation. */
enum { SCTP_MAX_STREAM = 0xffff };
@@ -71,20 +71,18 @@ enum { SCTP_DEFAULT_INSTREAMS = SCTP_MAX_STREAM };
SCTP_NUM_AUTH_CHUNK_TYPES)
/* These are the different flavours of event. */
-typedef enum {
-
+enum sctp_event {
SCTP_EVENT_T_CHUNK = 1,
SCTP_EVENT_T_TIMEOUT,
SCTP_EVENT_T_OTHER,
SCTP_EVENT_T_PRIMITIVE
-
-} sctp_event_t;
+};
/* As a convenience for the state machine, we append SCTP_EVENT_* and
* SCTP_ULP_* to the list of possible chunks.
*/
-typedef enum {
+enum sctp_event_timeout {
SCTP_EVENT_TIMEOUT_NONE = 0,
SCTP_EVENT_TIMEOUT_T1_COOKIE,
SCTP_EVENT_TIMEOUT_T1_INIT,
@@ -96,21 +94,21 @@ typedef enum {
SCTP_EVENT_TIMEOUT_RECONF,
SCTP_EVENT_TIMEOUT_SACK,
SCTP_EVENT_TIMEOUT_AUTOCLOSE,
-} sctp_event_timeout_t;
+};
#define SCTP_EVENT_TIMEOUT_MAX SCTP_EVENT_TIMEOUT_AUTOCLOSE
#define SCTP_NUM_TIMEOUT_TYPES (SCTP_EVENT_TIMEOUT_MAX + 1)
-typedef enum {
+enum sctp_event_other {
SCTP_EVENT_NO_PENDING_TSN = 0,
SCTP_EVENT_ICMP_PROTO_UNREACH,
-} sctp_event_other_t;
+};
#define SCTP_EVENT_OTHER_MAX SCTP_EVENT_ICMP_PROTO_UNREACH
#define SCTP_NUM_OTHER_TYPES (SCTP_EVENT_OTHER_MAX + 1)
/* These are primitive requests from the ULP. */
-typedef enum {
+enum sctp_event_primitive {
SCTP_PRIMITIVE_ASSOCIATE = 0,
SCTP_PRIMITIVE_SHUTDOWN,
SCTP_PRIMITIVE_ABORT,
@@ -118,7 +116,7 @@ typedef enum {
SCTP_PRIMITIVE_REQUESTHEARTBEAT,
SCTP_PRIMITIVE_ASCONF,
SCTP_PRIMITIVE_RECONF,
-} sctp_event_primitive_t;
+};
#define SCTP_EVENT_PRIMITIVE_MAX SCTP_PRIMITIVE_RECONF
#define SCTP_NUM_PRIMITIVE_TYPES (SCTP_EVENT_PRIMITIVE_MAX + 1)
@@ -126,25 +124,25 @@ typedef enum {
/* We define here a utility type for manipulating subtypes.
* The subtype constructors all work like this:
*
- * sctp_subtype_t foo = SCTP_ST_CHUNK(SCTP_CID_INIT);
+ * union sctp_subtype foo = SCTP_ST_CHUNK(SCTP_CID_INIT);
*/
-typedef union {
+union sctp_subtype {
enum sctp_cid chunk;
- sctp_event_timeout_t timeout;
- sctp_event_other_t other;
- sctp_event_primitive_t primitive;
-} sctp_subtype_t;
+ enum sctp_event_timeout timeout;
+ enum sctp_event_other other;
+ enum sctp_event_primitive primitive;
+};
#define SCTP_SUBTYPE_CONSTRUCTOR(_name, _type, _elt) \
-static inline sctp_subtype_t \
+static inline union sctp_subtype \
SCTP_ST_## _name (_type _arg) \
-{ sctp_subtype_t _retval; _retval._elt = _arg; return _retval; }
+{ union sctp_subtype _retval; _retval._elt = _arg; return _retval; }
SCTP_SUBTYPE_CONSTRUCTOR(CHUNK, enum sctp_cid, chunk)
-SCTP_SUBTYPE_CONSTRUCTOR(TIMEOUT, sctp_event_timeout_t, timeout)
-SCTP_SUBTYPE_CONSTRUCTOR(OTHER, sctp_event_other_t, other)
-SCTP_SUBTYPE_CONSTRUCTOR(PRIMITIVE, sctp_event_primitive_t, primitive)
+SCTP_SUBTYPE_CONSTRUCTOR(TIMEOUT, enum sctp_event_timeout, timeout)
+SCTP_SUBTYPE_CONSTRUCTOR(OTHER, enum sctp_event_other, other)
+SCTP_SUBTYPE_CONSTRUCTOR(PRIMITIVE, enum sctp_event_primitive, primitive)
#define sctp_chunk_is_data(a) (a->chunk_hdr->type == SCTP_CID_DATA)
@@ -155,8 +153,7 @@ SCTP_SUBTYPE_CONSTRUCTOR(PRIMITIVE, sctp_event_primitive_t, primitive)
- sizeof(struct sctp_data_chunk)))
/* Internal error codes */
-typedef enum {
-
+enum sctp_ierror {
SCTP_IERROR_NO_ERROR = 0,
SCTP_IERROR_BASE = 1000,
SCTP_IERROR_NO_COOKIE,
@@ -177,12 +174,12 @@ typedef enum {
SCTP_IERROR_PROTO_VIOLATION,
SCTP_IERROR_ERROR,
SCTP_IERROR_ABORT,
-} sctp_ierror_t;
+};
/* SCTP state defines for internal state machine */
-typedef enum {
+enum sctp_state {
SCTP_STATE_CLOSED = 0,
SCTP_STATE_COOKIE_WAIT = 1,
@@ -193,7 +190,7 @@ typedef enum {
SCTP_STATE_SHUTDOWN_RECEIVED = 6,
SCTP_STATE_SHUTDOWN_ACK_SENT = 7,
-} sctp_state_t;
+};
#define SCTP_STATE_MAX SCTP_STATE_SHUTDOWN_ACK_SENT
#define SCTP_STATE_NUM_STATES (SCTP_STATE_MAX + 1)
@@ -214,19 +211,19 @@ typedef enum {
* - A socket in SCTP_SS_ESTABLISHED state indicates that it has a single
* association.
*/
-typedef enum {
+enum sctp_sock_state {
SCTP_SS_CLOSED = TCP_CLOSE,
SCTP_SS_LISTENING = TCP_LISTEN,
SCTP_SS_ESTABLISHING = TCP_SYN_SENT,
SCTP_SS_ESTABLISHED = TCP_ESTABLISHED,
SCTP_SS_CLOSING = TCP_CLOSE_WAIT,
-} sctp_sock_state_t;
+};
/* These functions map various type to printable names. */
-const char *sctp_cname(const sctp_subtype_t); /* chunk types */
-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 */
+const char *sctp_cname(const union sctp_subtype id); /* chunk types */
+const char *sctp_oname(const union sctp_subtype id); /* other events */
+const char *sctp_tname(const union sctp_subtype id); /* timeouts */
+const char *sctp_pname(const union sctp_subtype id); /* primitives */
/* This is a table of printable names of sctp_state_t's. */
extern const char *const sctp_state_tbl[];
@@ -312,19 +309,19 @@ enum { SCTP_MAX_GABS = 16 };
/* These return values describe the success or failure of a number of
* routines which form the lower interface to SCTP_outqueue.
*/
-typedef enum {
+enum sctp_xmit {
SCTP_XMIT_OK,
SCTP_XMIT_PMTU_FULL,
SCTP_XMIT_RWND_FULL,
SCTP_XMIT_DELAY,
-} sctp_xmit_t;
+};
/* These are the commands for manipulating transports. */
-typedef enum {
+enum sctp_transport_cmd {
SCTP_TRANSPORT_UP,
SCTP_TRANSPORT_DOWN,
SCTP_TRANSPORT_PF,
-} 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>.
@@ -333,20 +330,22 @@ typedef enum {
* At this point, the IPv6 scopes will be mapped to these internal scopes
* as much as possible.
*/
-typedef enum {
+enum sctp_scope {
SCTP_SCOPE_GLOBAL, /* IPv4 global addresses */
SCTP_SCOPE_PRIVATE, /* IPv4 private addresses */
SCTP_SCOPE_LINK, /* IPv4 link local address */
SCTP_SCOPE_LOOPBACK, /* IPv4 loopback address */
SCTP_SCOPE_UNUSABLE, /* IPv4 unusable addresses */
-} sctp_scope_t;
+};
-typedef enum {
+enum {
SCTP_SCOPE_POLICY_DISABLE, /* Disable IPv4 address scoping */
SCTP_SCOPE_POLICY_ENABLE, /* Enable IPv4 address scoping */
SCTP_SCOPE_POLICY_PRIVATE, /* Follow draft but allow IPv4 private addresses */
SCTP_SCOPE_POLICY_LINK, /* Follow draft but allow IPv4 link local addresses */
-} sctp_scope_policy_t;
+};
+
+#define SCTP_SCOPE_POLICY_MAX SCTP_SCOPE_POLICY_LINK
/* 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,
@@ -370,20 +369,20 @@ typedef enum {
peer */
/* Reasons to retransmit. */
-typedef enum {
+enum sctp_retransmit_reason {
SCTP_RTXR_T3_RTX,
SCTP_RTXR_FAST_RTX,
SCTP_RTXR_PMTUD,
SCTP_RTXR_T1_RTX,
-} sctp_retransmit_reason_t;
+};
/* Reasons to lower cwnd. */
-typedef enum {
+enum sctp_lower_cwnd {
SCTP_LOWER_CWND_T3_RTX,
SCTP_LOWER_CWND_FAST_RTX,
SCTP_LOWER_CWND_ECNE,
SCTP_LOWER_CWND_INACTIVE,
-} sctp_lower_cwnd_t;
+};
/* SCTP-AUTH Necessary constants */
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index 45fd4c6056b5..d7d8cba01469 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -94,8 +94,8 @@
/*
* sctp/protocol.c
*/
-int sctp_copy_local_addr_list(struct net *, struct sctp_bind_addr *,
- sctp_scope_t, gfp_t gfp, int flags);
+int sctp_copy_local_addr_list(struct net *net, struct sctp_bind_addr *addr,
+ enum sctp_scope, gfp_t gfp, int flags);
struct sctp_pf *sctp_get_pf_specific(sa_family_t family);
int sctp_register_pf(struct sctp_pf *, sa_family_t);
void sctp_addr_wq_mgmt(struct net *, struct sctp_sockaddr_entry *, int);
@@ -127,7 +127,8 @@ int sctp_transport_lookup_process(int (*cb)(struct sctp_transport *, void *),
const union sctp_addr *laddr,
const union sctp_addr *paddr, void *p);
int sctp_for_each_transport(int (*cb)(struct sctp_transport *, void *),
- struct net *net, int pos, void *p);
+ int (*cb_done)(struct sctp_transport *, void *),
+ struct net *net, int *pos, void *p);
int sctp_for_each_endpoint(int (*cb)(struct sctp_endpoint *, void *), void *p);
int sctp_get_sctp_info(struct sock *sk, struct sctp_association *asoc,
struct sctp_info *info);
@@ -479,13 +480,13 @@ for (pos.v = chunk->member;\
_sctp_walk_errors((err), (chunk_hdr), ntohs((chunk_hdr)->length))
#define _sctp_walk_errors(err, chunk_hdr, end)\
-for (err = (sctp_errhdr_t *)((void *)chunk_hdr + \
+for (err = (struct sctp_errhdr *)((void *)chunk_hdr + \
sizeof(struct sctp_chunkhdr));\
- ((void *)err + offsetof(sctp_errhdr_t, length) + sizeof(err->length) <=\
+ ((void *)err + offsetof(struct sctp_errhdr, length) + sizeof(err->length) <=\
(void *)chunk_hdr + end) &&\
(void *)err <= (void *)chunk_hdr + end - ntohs(err->length) &&\
- ntohs(err->length) >= sizeof(sctp_errhdr_t); \
- err = (sctp_errhdr_t *)((void *)err + SCTP_PAD4(ntohs(err->length))))
+ ntohs(err->length) >= sizeof(struct sctp_errhdr); \
+ err = (struct sctp_errhdr *)((void *)err + SCTP_PAD4(ntohs(err->length))))
#define sctp_walk_fwdtsn(pos, chunk)\
_sctp_walk_fwdtsn((pos), (chunk), ntohs((chunk)->chunk_hdr->length) - sizeof(struct sctp_fwdtsn_chunk))
@@ -550,7 +551,8 @@ static inline int sctp_ep_hashfn(struct net *net, __u16 lport)
/* Is a socket of this style? */
#define sctp_style(sk, style) __sctp_style((sk), (SCTP_SOCKET_##style))
-static inline int __sctp_style(const struct sock *sk, sctp_socket_type_t style)
+static inline int __sctp_style(const struct sock *sk,
+ enum sctp_socket_type style)
{
return sctp_sk(sk)->type == style;
}
@@ -558,14 +560,15 @@ static inline int __sctp_style(const struct sock *sk, sctp_socket_type_t style)
/* Is the association in this state? */
#define sctp_state(asoc, state) __sctp_state((asoc), (SCTP_STATE_##state))
static inline int __sctp_state(const struct sctp_association *asoc,
- sctp_state_t state)
+ enum sctp_state state)
{
return asoc->state == state;
}
/* Is the socket in this state? */
#define sctp_sstate(sk, state) __sctp_sstate((sk), (SCTP_SS_##state))
-static inline int __sctp_sstate(const struct sock *sk, sctp_sock_state_t state)
+static inline int __sctp_sstate(const struct sock *sk,
+ enum sctp_sock_state state)
{
return sk->sk_state == state;
}
diff --git a/include/net/sctp/sm.h b/include/net/sctp/sm.h
index 860f378333b5..2db3d3a9ce1d 100644
--- a/include/net/sctp/sm.h
+++ b/include/net/sctp/sm.h
@@ -53,7 +53,7 @@
/*
* Possible values for the disposition are:
*/
-typedef enum {
+enum sctp_disposition {
SCTP_DISPOSITION_DISCARD, /* No further processing. */
SCTP_DISPOSITION_CONSUME, /* Process return values normally. */
SCTP_DISPOSITION_NOMEM, /* We ran out of memory--recover. */
@@ -63,24 +63,20 @@ typedef enum {
SCTP_DISPOSITION_NOT_IMPL, /* This entry is not implemented. */
SCTP_DISPOSITION_ERROR, /* This is plain old user error. */
SCTP_DISPOSITION_BUG, /* This is a bug. */
-} sctp_disposition_t;
-
-typedef struct {
- int name;
- int action;
-} sctp_sm_command_t;
-
-typedef sctp_disposition_t (sctp_state_fn_t) (struct net *,
- const struct sctp_endpoint *,
- const struct sctp_association *,
- const sctp_subtype_t type,
- void *arg,
- sctp_cmd_seq_t *);
+};
+
+typedef enum sctp_disposition (sctp_state_fn_t) (
+ struct net *net,
+ const struct sctp_endpoint *ep,
+ const struct sctp_association *asoc,
+ const union sctp_subtype type,
+ void *arg,
+ struct sctp_cmd_seq *commands);
typedef void (sctp_timer_event_t) (unsigned long);
-typedef struct {
+struct sctp_sm_table_entry {
sctp_state_fn_t *fn;
const char *name;
-} sctp_sm_table_entry_t;
+};
/* A naming convention of "sctp_sf_xxx" applies to all the state functions
* currently in use.
@@ -175,10 +171,11 @@ sctp_state_fn_t sctp_sf_autoclose_timer_expire;
/* Prototypes for utility support functions. */
__u8 sctp_get_chunk_type(struct sctp_chunk *chunk);
-const sctp_sm_table_entry_t *sctp_sm_lookup_event(struct net *,
- sctp_event_t,
- sctp_state_t,
- sctp_subtype_t);
+const struct sctp_sm_table_entry *sctp_sm_lookup_event(
+ struct net *net,
+ enum sctp_event event_type,
+ enum sctp_state state,
+ union sctp_subtype event_subtype);
int sctp_chunk_iif(const struct sctp_chunk *);
struct sctp_association *sctp_make_temp_asoc(const struct sctp_endpoint *,
struct sctp_chunk *,
@@ -187,68 +184,69 @@ __u32 sctp_generate_verification_tag(void);
void sctp_populate_tie_tags(__u8 *cookie, __u32 curTag, __u32 hisTag);
/* Prototypes for chunk-building functions. */
-struct sctp_chunk *sctp_make_init(const struct sctp_association *,
- const struct sctp_bind_addr *,
- gfp_t gfp, int vparam_len);
-struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *,
- const struct sctp_chunk *,
- const gfp_t gfp,
- const int unkparam_len);
-struct sctp_chunk *sctp_make_cookie_echo(const struct sctp_association *,
- const struct sctp_chunk *);
-struct sctp_chunk *sctp_make_cookie_ack(const struct sctp_association *,
- const struct sctp_chunk *);
-struct sctp_chunk *sctp_make_cwr(const struct sctp_association *,
+struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc,
+ const struct sctp_bind_addr *bp,
+ gfp_t gfp, int vparam_len);
+struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *asoc,
+ const struct sctp_chunk *chunk,
+ const gfp_t gfp, const int unkparam_len);
+struct sctp_chunk *sctp_make_cookie_echo(const struct sctp_association *asoc,
+ const struct sctp_chunk *chunk);
+struct sctp_chunk *sctp_make_cookie_ack(const struct sctp_association *asoc,
+ const struct sctp_chunk *chunk);
+struct sctp_chunk *sctp_make_cwr(const struct sctp_association *asoc,
const __u32 lowest_tsn,
- const struct sctp_chunk *);
-struct sctp_chunk * sctp_make_datafrag_empty(struct sctp_association *,
- const struct sctp_sndrcvinfo *sinfo,
- int len, const __u8 flags,
- __u16 ssn, gfp_t gfp);
-struct sctp_chunk *sctp_make_ecne(const struct sctp_association *,
- const __u32);
-struct sctp_chunk *sctp_make_sack(const struct sctp_association *);
+ const struct sctp_chunk *chunk);
+struct sctp_chunk *sctp_make_datafrag_empty(struct sctp_association *asoc,
+ const struct sctp_sndrcvinfo *sinfo,
+ int len, const __u8 flags,
+ __u16 ssn, gfp_t gfp);
+struct sctp_chunk *sctp_make_ecne(const struct sctp_association *asoc,
+ const __u32 lowest_tsn);
+struct sctp_chunk *sctp_make_sack(const struct sctp_association *asoc);
struct sctp_chunk *sctp_make_shutdown(const struct sctp_association *asoc,
const struct sctp_chunk *chunk);
struct sctp_chunk *sctp_make_shutdown_ack(const struct sctp_association *asoc,
- const struct sctp_chunk *);
-struct sctp_chunk *sctp_make_shutdown_complete(const struct sctp_association *,
- const struct sctp_chunk *);
-void sctp_init_cause(struct sctp_chunk *, __be16 cause, size_t);
-struct sctp_chunk *sctp_make_abort(const struct sctp_association *,
- const struct sctp_chunk *,
- const size_t hint);
-struct sctp_chunk *sctp_make_abort_no_data(const struct sctp_association *,
- const struct sctp_chunk *,
- __u32 tsn);
-struct sctp_chunk *sctp_make_abort_user(const struct sctp_association *,
- struct msghdr *, size_t msg_len);
-struct sctp_chunk *sctp_make_abort_violation(const struct sctp_association *,
- const struct sctp_chunk *,
- const __u8 *,
- const size_t );
-struct sctp_chunk *sctp_make_violation_paramlen(const struct sctp_association *,
- const struct sctp_chunk *,
- struct sctp_paramhdr *);
-struct sctp_chunk *sctp_make_violation_max_retrans(const struct sctp_association *,
- const struct sctp_chunk *);
-struct sctp_chunk *sctp_make_heartbeat(const struct sctp_association *,
- const struct sctp_transport *);
-struct sctp_chunk *sctp_make_heartbeat_ack(const struct sctp_association *,
- const struct sctp_chunk *,
- const void *payload,
- const size_t paylen);
-struct sctp_chunk *sctp_make_op_error(const struct sctp_association *,
- const struct sctp_chunk *chunk,
- __be16 cause_code,
- const void *payload,
- size_t paylen,
- size_t reserve_tail);
-
-struct sctp_chunk *sctp_make_asconf_update_ip(struct sctp_association *,
- union sctp_addr *,
- struct sockaddr *,
- int, __be16);
+ const struct sctp_chunk *chunk);
+struct sctp_chunk *sctp_make_shutdown_complete(
+ const struct sctp_association *asoc,
+ const struct sctp_chunk *chunk);
+void sctp_init_cause(struct sctp_chunk *chunk, __be16 cause, size_t paylen);
+struct sctp_chunk *sctp_make_abort(const struct sctp_association *asoc,
+ const struct sctp_chunk *chunk,
+ const size_t hint);
+struct sctp_chunk *sctp_make_abort_no_data(const struct sctp_association *asoc,
+ const struct sctp_chunk *chunk,
+ __u32 tsn);
+struct sctp_chunk *sctp_make_abort_user(const struct sctp_association *asoc,
+ struct msghdr *msg, size_t msg_len);
+struct sctp_chunk *sctp_make_abort_violation(
+ const struct sctp_association *asoc,
+ const struct sctp_chunk *chunk,
+ const __u8 *payload,
+ const size_t paylen);
+struct sctp_chunk *sctp_make_violation_paramlen(
+ const struct sctp_association *asoc,
+ const struct sctp_chunk *chunk,
+ struct sctp_paramhdr *param);
+struct sctp_chunk *sctp_make_violation_max_retrans(
+ const struct sctp_association *asoc,
+ const struct sctp_chunk *chunk);
+struct sctp_chunk *sctp_make_heartbeat(const struct sctp_association *asoc,
+ const struct sctp_transport *transport);
+struct sctp_chunk *sctp_make_heartbeat_ack(const struct sctp_association *asoc,
+ const struct sctp_chunk *chunk,
+ const void *payload,
+ const size_t paylen);
+struct sctp_chunk *sctp_make_op_error(const struct sctp_association *asoc,
+ const struct sctp_chunk *chunk,
+ __be16 cause_code, const void *payload,
+ size_t paylen, size_t reserve_tail);
+
+struct sctp_chunk *sctp_make_asconf_update_ip(struct sctp_association *asoc,
+ union sctp_addr *laddr,
+ struct sockaddr *addrs,
+ int addrcnt, __be16 flags);
struct sctp_chunk *sctp_make_asconf_set_prim(struct sctp_association *asoc,
union sctp_addr *addr);
bool sctp_verify_asconf(const struct sctp_association *asoc,
@@ -262,27 +260,25 @@ struct sctp_chunk *sctp_make_fwdtsn(const struct sctp_association *asoc,
__u32 new_cum_tsn, size_t nstreams,
struct sctp_fwdtsn_skip *skiplist);
struct sctp_chunk *sctp_make_auth(const struct sctp_association *asoc);
-struct sctp_chunk *sctp_make_strreset_req(
- const struct sctp_association *asoc,
- __u16 stream_num, __u16 *stream_list,
- bool out, bool in);
+struct sctp_chunk *sctp_make_strreset_req(const struct sctp_association *asoc,
+ __u16 stream_num, __u16 *stream_list,
+ bool out, bool in);
struct sctp_chunk *sctp_make_strreset_tsnreq(
- const struct sctp_association *asoc);
+ const struct sctp_association *asoc);
struct sctp_chunk *sctp_make_strreset_addstrm(
- const struct sctp_association *asoc,
- __u16 out, __u16 in);
-struct sctp_chunk *sctp_make_strreset_resp(
- const struct sctp_association *asoc,
- __u32 result, __u32 sn);
-struct sctp_chunk *sctp_make_strreset_tsnresp(
- struct sctp_association *asoc,
- __u32 result, __u32 sn,
- __u32 sender_tsn, __u32 receiver_tsn);
+ const struct sctp_association *asoc,
+ __u16 out, __u16 in);
+struct sctp_chunk *sctp_make_strreset_resp(const struct sctp_association *asoc,
+ __u32 result, __u32 sn);
+struct sctp_chunk *sctp_make_strreset_tsnresp(struct sctp_association *asoc,
+ __u32 result, __u32 sn,
+ __u32 sender_tsn,
+ __u32 receiver_tsn);
bool sctp_verify_reconf(const struct sctp_association *asoc,
struct sctp_chunk *chunk,
struct sctp_paramhdr **errp);
-void sctp_chunk_assign_tsn(struct sctp_chunk *);
-void sctp_chunk_assign_ssn(struct sctp_chunk *);
+void sctp_chunk_assign_tsn(struct sctp_chunk *chunk);
+void sctp_chunk_assign_ssn(struct sctp_chunk *chunk);
/* Prototypes for stream-processing functions. */
struct sctp_chunk *sctp_process_strreset_outreq(
@@ -312,12 +308,10 @@ struct sctp_chunk *sctp_process_strreset_resp(
/* Prototypes for statetable processing. */
-int sctp_do_sm(struct net *net, sctp_event_t event_type, sctp_subtype_t subtype,
- sctp_state_t state,
- struct sctp_endpoint *,
- struct sctp_association *asoc,
- void *event_arg,
- gfp_t gfp);
+int sctp_do_sm(struct net *net, enum sctp_event event_type,
+ union sctp_subtype subtype, enum sctp_state state,
+ struct sctp_endpoint *ep, struct sctp_association *asoc,
+ void *event_arg, gfp_t gfp);
/* 2nd level prototypes */
void sctp_generate_t3_rtx_event(unsigned long peer);
@@ -327,11 +321,12 @@ void sctp_generate_proto_unreach_event(unsigned long peer);
void sctp_ootb_pkt_free(struct sctp_packet *packet);
-struct sctp_association *sctp_unpack_cookie(const struct sctp_endpoint *ep,
- const struct sctp_association *asoc,
- struct sctp_chunk *chunk,
- gfp_t gfp, int *err,
- struct sctp_chunk **err_chk_p);
+struct sctp_association *sctp_unpack_cookie(
+ const struct sctp_endpoint *ep,
+ const struct sctp_association *asoc,
+ struct sctp_chunk *chunk,
+ gfp_t gfp, int *err,
+ struct sctp_chunk **err_chk_p);
/* 3rd level prototypes */
__u32 sctp_generate_tag(const struct sctp_endpoint *ep);
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 5ab29af8ca8a..0477945de1a3 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -150,18 +150,18 @@ extern struct sctp_globals {
#define sctp_checksum_disable (sctp_globals.checksum_disable)
/* SCTP Socket type: UDP or TCP style. */
-typedef enum {
+enum sctp_socket_type {
SCTP_SOCKET_UDP = 0,
SCTP_SOCKET_UDP_HIGH_BANDWIDTH,
SCTP_SOCKET_TCP
-} sctp_socket_type_t;
+};
/* Per socket SCTP information. */
struct sctp_sock {
/* inet_sock has to be the first member of sctp_sock */
struct inet_sock inet;
/* What kind of a socket is this? */
- sctp_socket_type_t type;
+ enum sctp_socket_type type;
/* PF_ family specific functions. */
struct sctp_pf *pf;
@@ -371,12 +371,12 @@ union sctp_params {
* chunk is sent and the destination transport address to which this
* HEARTBEAT is sent (see Section 8.3).
*/
-typedef struct sctp_sender_hb_info {
+struct sctp_sender_hb_info {
struct sctp_paramhdr param_hdr;
union sctp_addr daddr;
unsigned long sent_at;
__u64 hb_nonce;
-} sctp_sender_hb_info_t;
+};
int sctp_stream_init(struct sctp_stream *stream, __u16 outcnt, __u16 incnt,
gfp_t gfp);
@@ -449,7 +449,7 @@ struct sctp_af {
int (*addr_valid) (union sctp_addr *,
struct sctp_sock *,
const struct sk_buff *);
- sctp_scope_t (*scope) (union sctp_addr *);
+ enum sctp_scope (*scope)(union sctp_addr *);
void (*inaddr_any) (union sctp_addr *, __be16);
int (*is_any) (const union sctp_addr *);
int (*available) (union sctp_addr *,
@@ -657,8 +657,6 @@ struct sctp_sockaddr_entry {
#define SCTP_ADDRESS_TICK_DELAY 500
-typedef struct sctp_chunk *(sctp_packet_phandler_t)(struct sctp_association *);
-
/* This structure holds lists of chunks as we are assembling for
* transmission.
*/
@@ -697,10 +695,11 @@ struct sctp_packet {
void sctp_packet_init(struct sctp_packet *, struct sctp_transport *,
__u16 sport, __u16 dport);
void sctp_packet_config(struct sctp_packet *, __u32 vtag, int);
-sctp_xmit_t sctp_packet_transmit_chunk(struct sctp_packet *,
- struct sctp_chunk *, int, gfp_t);
-sctp_xmit_t sctp_packet_append_chunk(struct sctp_packet *,
- struct sctp_chunk *);
+enum sctp_xmit sctp_packet_transmit_chunk(struct sctp_packet *packet,
+ struct sctp_chunk *chunk,
+ int one_packet, gfp_t gfp);
+enum sctp_xmit sctp_packet_append_chunk(struct sctp_packet *packet,
+ struct sctp_chunk *chunk);
int sctp_packet_transmit(struct sctp_packet *, gfp_t);
void sctp_packet_free(struct sctp_packet *);
@@ -950,7 +949,8 @@ int sctp_transport_hold(struct sctp_transport *);
void sctp_transport_put(struct sctp_transport *);
void sctp_transport_update_rto(struct sctp_transport *, __u32);
void sctp_transport_raise_cwnd(struct sctp_transport *, __u32, __u32);
-void sctp_transport_lower_cwnd(struct sctp_transport *, sctp_lower_cwnd_t);
+void sctp_transport_lower_cwnd(struct sctp_transport *t,
+ enum sctp_lower_cwnd reason);
void sctp_transport_burst_limited(struct sctp_transport *);
void sctp_transport_burst_reset(struct sctp_transport *);
unsigned long sctp_transport_timeout(struct sctp_transport *);
@@ -1053,8 +1053,8 @@ int sctp_outq_sack(struct sctp_outq *, struct sctp_chunk *);
int sctp_outq_is_empty(const struct sctp_outq *);
void sctp_outq_restart(struct sctp_outq *);
-void sctp_retransmit(struct sctp_outq *, struct sctp_transport *,
- sctp_retransmit_reason_t);
+void sctp_retransmit(struct sctp_outq *q, struct sctp_transport *transport,
+ enum sctp_retransmit_reason reason);
void sctp_retransmit_mark(struct sctp_outq *, struct sctp_transport *, __u8);
void sctp_outq_uncork(struct sctp_outq *, gfp_t gfp);
void sctp_prsctp_prune(struct sctp_association *asoc,
@@ -1110,7 +1110,7 @@ void sctp_bind_addr_init(struct sctp_bind_addr *, __u16 port);
void sctp_bind_addr_free(struct sctp_bind_addr *);
int sctp_bind_addr_copy(struct net *net, struct sctp_bind_addr *dest,
const struct sctp_bind_addr *src,
- sctp_scope_t scope, gfp_t gfp,
+ enum sctp_scope scope, gfp_t gfp,
int flags);
int sctp_bind_addr_dup(struct sctp_bind_addr *dest,
const struct sctp_bind_addr *src,
@@ -1134,17 +1134,18 @@ union sctp_params sctp_bind_addrs_to_raw(const struct sctp_bind_addr *bp,
int sctp_raw_to_bind_addrs(struct sctp_bind_addr *bp, __u8 *raw, int len,
__u16 port, gfp_t gfp);
-sctp_scope_t sctp_scope(const union sctp_addr *);
-int sctp_in_scope(struct net *net, const union sctp_addr *addr, const sctp_scope_t scope);
+enum sctp_scope sctp_scope(const union sctp_addr *addr);
+int sctp_in_scope(struct net *net, const union sctp_addr *addr,
+ const enum sctp_scope scope);
int sctp_is_any(struct sock *sk, const union sctp_addr *addr);
int sctp_is_ep_boundall(struct sock *sk);
/* What type of endpoint? */
-typedef enum {
+enum sctp_endpoint_type {
SCTP_EP_TYPE_SOCKET,
SCTP_EP_TYPE_ASSOCIATION,
-} sctp_endpoint_type_t;
+};
/*
* A common base class to bridge the implmentation view of a
@@ -1168,7 +1169,7 @@ struct sctp_ep_common {
int hashent;
/* Runtime type information. What kind of endpoint is this? */
- sctp_endpoint_type_t type;
+ enum sctp_endpoint_type type;
/* Some fields to help us manage this object.
* refcnt - Reference count access to this object.
@@ -1556,9 +1557,9 @@ struct sctp_association {
* and authenticated chunk list. All that is part of the
* cookie and these are just pointers to those locations
*/
- sctp_random_param_t *peer_random;
- sctp_chunks_param_t *peer_chunks;
- sctp_hmac_algo_param_t *peer_hmacs;
+ struct sctp_random_param *peer_random;
+ struct sctp_chunks_param *peer_chunks;
+ struct sctp_hmac_algo_param *peer_hmacs;
} peer;
/* State : A state variable indicating what state the
@@ -1574,7 +1575,7 @@ struct sctp_association {
*
* State takes values from SCTP_STATE_*.
*/
- sctp_state_t state;
+ enum sctp_state state;
/* Overall : The overall association error count.
* Error Count : [Clear this any time I get something.]
@@ -1924,8 +1925,8 @@ static inline struct sctp_association *sctp_assoc(struct sctp_ep_common *base)
struct sctp_association *
-sctp_association_new(const struct sctp_endpoint *, const struct sock *,
- sctp_scope_t scope, gfp_t gfp);
+sctp_association_new(const struct sctp_endpoint *ep, const struct sock *sk,
+ enum sctp_scope scope, gfp_t gfp);
void sctp_association_free(struct sctp_association *);
void sctp_association_put(struct sctp_association *);
void sctp_association_hold(struct sctp_association *);
@@ -1945,9 +1946,10 @@ void sctp_assoc_del_peer(struct sctp_association *asoc,
const union sctp_addr *addr);
void sctp_assoc_rm_peer(struct sctp_association *asoc,
struct sctp_transport *peer);
-void sctp_assoc_control_transport(struct sctp_association *,
- struct sctp_transport *,
- sctp_transport_cmd_t, sctp_sn_error_t);
+void sctp_assoc_control_transport(struct sctp_association *asoc,
+ struct sctp_transport *transport,
+ enum sctp_transport_cmd command,
+ sctp_sn_error_t error);
struct sctp_transport *sctp_assoc_lookup_tsn(struct sctp_association *, __u32);
struct sctp_transport *sctp_assoc_is_match(struct sctp_association *,
struct net *,
@@ -1966,8 +1968,8 @@ void sctp_assoc_set_primary(struct sctp_association *,
struct sctp_transport *);
void sctp_assoc_del_nonprimary_peers(struct sctp_association *,
struct sctp_transport *);
-int sctp_assoc_set_bind_addr_from_ep(struct sctp_association *,
- sctp_scope_t, gfp_t);
+int sctp_assoc_set_bind_addr_from_ep(struct sctp_association *asoc,
+ enum sctp_scope scope, gfp_t gfp);
int sctp_assoc_set_bind_addr_from_cookie(struct sctp_association *,
struct sctp_cookie*,
gfp_t gfp);
@@ -1983,16 +1985,16 @@ int sctp_cmp_addr_exact(const union sctp_addr *ss1,
struct sctp_chunk *sctp_get_ecne_prepend(struct sctp_association *asoc);
/* A convenience structure to parse out SCTP specific CMSGs. */
-typedef struct sctp_cmsgs {
+struct sctp_cmsgs {
struct sctp_initmsg *init;
struct sctp_sndrcvinfo *srinfo;
struct sctp_sndinfo *sinfo;
-} sctp_cmsgs_t;
+};
/* Structure for tracking memory objects */
-typedef struct {
+struct sctp_dbg_objcnt_entry {
char *label;
atomic_t *counter;
-} sctp_dbg_objcnt_entry_t;
+};
#endif /* __sctp_structs_h__ */
diff --git a/include/net/sctp/ulpevent.h b/include/net/sctp/ulpevent.h
index 1060494ac230..b8c86ec1a8f5 100644
--- a/include/net/sctp/ulpevent.h
+++ b/include/net/sctp/ulpevent.h
@@ -153,8 +153,12 @@ __u16 sctp_ulpevent_get_notification_type(const struct sctp_ulpevent *event);
static inline int sctp_ulpevent_type_enabled(__u16 sn_type,
struct sctp_event_subscribe *mask)
{
+ int offset = sn_type - SCTP_SN_TYPE_BASE;
char *amask = (char *) mask;
- return amask[sn_type - SCTP_SN_TYPE_BASE];
+
+ if (offset >= sizeof(struct sctp_event_subscribe))
+ return 0;
+ return amask[offset];
}
/* Given an event subscription, is this event enabled? */
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-22 10:52:17 +0000