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-rw-r--r--include/net/sctp/sm.h205
1 files changed, 100 insertions, 105 deletions
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);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.