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-rw-r--r--include/net/sctp/command.h8
-rw-r--r--include/net/sctp/constants.h89
-rw-r--r--include/net/sctp/sctp.h9
-rw-r--r--include/net/sctp/sm.h21
-rw-r--r--include/net/sctp/structs.h42
5 files changed, 86 insertions, 83 deletions
diff --git a/include/net/sctp/command.h b/include/net/sctp/command.h
index 1d5f6ff3f440..376cb78b6247 100644
--- a/include/net/sctp/command.h
+++ b/include/net/sctp/command.h
@@ -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;
@@ -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)
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 84650fed1e6a..24ff7931d38c 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);
@@ -558,14 +558,15 @@ 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..1e7651c3b158 100644
--- a/include/net/sctp/sm.h
+++ b/include/net/sctp/sm.h
@@ -73,7 +73,7 @@ typedef struct {
typedef sctp_disposition_t (sctp_state_fn_t) (struct net *,
const struct sctp_endpoint *,
const struct sctp_association *,
- const sctp_subtype_t type,
+ const union sctp_subtype type,
void *arg,
sctp_cmd_seq_t *);
typedef void (sctp_timer_event_t) (unsigned long);
@@ -175,10 +175,11 @@ 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 sctp_sm_table_entry_t *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 *,
@@ -312,12 +313,10 @@ 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);
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 66cd7639b912..fbe6e81b889b 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -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 *,
@@ -697,10 +697,11 @@ 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 +951,8 @@ 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 +1055,8 @@ 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 +1112,7 @@ 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,
@@ -1134,8 +1136,9 @@ 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);
@@ -1574,7 +1577,7 @@ 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 +1927,8 @@ 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 +1948,10 @@ 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 +1970,8 @@ 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);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.