sctp_state_fn_t sctp_sf_eat_sack_6_2;
sctp_state_fn_t sctp_sf_tabort_8_4_8;
sctp_state_fn_t sctp_sf_operr_notify;
-sctp_state_fn_t sctp_sf_t1_timer_expire;
+sctp_state_fn_t sctp_sf_t1_init_timer_expire;
+sctp_state_fn_t sctp_sf_t1_cookie_timer_expire;
sctp_state_fn_t sctp_sf_t2_timer_expire;
sctp_state_fn_t sctp_sf_t4_timer_expire;
sctp_state_fn_t sctp_sf_t5_timer_expire;
sctp_state_fn_t sctp_sf_do_ecn_cwr;
sctp_state_fn_t sctp_sf_do_ecne;
sctp_state_fn_t sctp_sf_ootb;
-sctp_state_fn_t sctp_sf_shut_8_4_5;
sctp_state_fn_t sctp_sf_pdiscard;
sctp_state_fn_t sctp_sf_violation;
sctp_state_fn_t sctp_sf_discard_chunk;
sctp_state_fn_t sctp_sf_unk_chunk;
sctp_state_fn_t sctp_sf_do_8_5_1_E_sa;
sctp_state_fn_t sctp_sf_cookie_echoed_err;
-sctp_state_fn_t sctp_sf_do_5_2_6_stale;
sctp_state_fn_t sctp_sf_do_asconf;
sctp_state_fn_t sctp_sf_do_asconf_ack;
sctp_state_fn_t sctp_sf_do_9_2_reshutack;
sctp_state_fn_t sctp_sf_do_9_2_start_shutdown;
sctp_state_fn_t sctp_sf_do_9_2_shutdown_ack;
sctp_state_fn_t sctp_sf_ignore_other;
+sctp_state_fn_t sctp_sf_cookie_wait_icmp_abort;
/* Prototypes for timeout event state functions. */
sctp_state_fn_t sctp_sf_do_6_3_3_rtx;
int sctp_chunk_iif(const struct sctp_chunk *);
struct sctp_association *sctp_make_temp_asoc(const struct sctp_endpoint *,
struct sctp_chunk *,
- int gfp);
+ gfp_t gfp);
__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 *,
- int gfp, int vparam_len);
+ gfp_t gfp, int vparam_len);
struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *,
const struct sctp_chunk *,
- const int gfp,
+ 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_cwr(const struct sctp_association *,
const __u32 lowest_tsn,
const struct sctp_chunk *);
-struct sctp_chunk *sctp_make_datafrag(struct sctp_association *,
- const struct sctp_sndrcvinfo *sinfo,
- int len, const __u8 *data,
- __u8 flags, __u16 ssn);
struct sctp_chunk * sctp_make_datafrag_empty(struct sctp_association *,
const struct sctp_sndrcvinfo *sinfo,
int len, const __u8 flags,
__u16 ssn);
-struct sctp_chunk *sctp_make_data(struct sctp_association *,
- const struct sctp_sndrcvinfo *sinfo,
- int len, const __u8 *data);
-struct sctp_chunk *sctp_make_data_empty(struct sctp_association *,
- const struct sctp_sndrcvinfo *, int len);
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 *,
__u32 tsn);
struct sctp_chunk *sctp_make_abort_user(const struct sctp_association *,
+ const struct msghdr *, size_t msg_len);
+struct sctp_chunk *sctp_make_abort_violation(const struct sctp_association *,
const struct sctp_chunk *,
- const struct msghdr *);
+ const __u8 *,
+ const size_t );
struct sctp_chunk *sctp_make_heartbeat(const struct sctp_association *,
const struct sctp_transport *,
const void *payload,
const void *payload,
size_t paylen);
-struct sctp_chunk *sctp_make_asconf(struct sctp_association *asoc,
- union sctp_addr *addr,
- int vparam_len);
struct sctp_chunk *sctp_make_asconf_update_ip(struct sctp_association *,
union sctp_addr *,
struct sockaddr *,
int, __u16);
struct sctp_chunk *sctp_make_asconf_set_prim(struct sctp_association *asoc,
union sctp_addr *addr);
-struct sctp_chunk *sctp_make_asconf_ack(const struct sctp_association *asoc,
- __u32 serial, int vparam_len);
struct sctp_chunk *sctp_process_asconf(struct sctp_association *asoc,
struct sctp_chunk *asconf);
int sctp_process_asconf_ack(struct sctp_association *asoc,
struct sctp_endpoint *,
struct sctp_association *asoc,
void *event_arg,
- int gfp);
-
-int sctp_side_effects(sctp_event_t event_type, sctp_subtype_t subtype,
- sctp_state_t state,
- struct sctp_endpoint *,
- struct sctp_association *asoc,
- void *event_arg,
- sctp_disposition_t status,
- sctp_cmd_seq_t *commands,
- int gfp);
+ gfp_t gfp);
/* 2nd level prototypes */
-int sctp_cmd_interpreter(sctp_event_t, sctp_subtype_t, sctp_state_t,
- struct sctp_endpoint *, struct sctp_association *,
- void *event_arg, sctp_disposition_t,
- sctp_cmd_seq_t *retval, int gfp);
-
-
-int sctp_gen_sack(struct sctp_association *, int force, sctp_cmd_seq_t *);
void sctp_generate_t3_rtx_event(unsigned long peer);
void sctp_generate_heartbeat_event(unsigned long peer);
-sctp_sackhdr_t *sctp_sm_pull_sack(struct sctp_chunk *);
-struct sctp_packet *sctp_abort_pkt_new(const struct sctp_endpoint *,
- const struct sctp_association *,
- struct sctp_chunk *chunk,
- const void *payload,
- size_t paylen);
-struct sctp_packet *sctp_ootb_pkt_new(const struct sctp_association *,
- const struct sctp_chunk *);
void sctp_ootb_pkt_free(struct sctp_packet *);
-struct sctp_cookie_param *
-sctp_pack_cookie(const struct sctp_endpoint *, const struct sctp_association *,
- const struct sctp_chunk *, int *cookie_len,
- const __u8 *, int addrs_len);
struct sctp_association *sctp_unpack_cookie(const struct sctp_endpoint *,
const struct sctp_association *,
- struct sctp_chunk *, int gfp, int *err,
+ struct sctp_chunk *,
+ gfp_t gfp, int *err,
struct sctp_chunk **err_chk_p);
int sctp_addip_addr_config(struct sctp_association *, sctp_param_t,
struct sockaddr_storage*, int);
-void sctp_send_stale_cookie_err(const struct sctp_endpoint *ep,
- const struct sctp_association *asoc,
- const struct sctp_chunk *chunk,
- sctp_cmd_seq_t *commands,
- struct sctp_chunk *err_chunk);
/* 3rd level prototypes */
__u32 sctp_generate_tag(const struct sctp_endpoint *);
__u32 sctp_generate_tsn(const struct sctp_endpoint *);
/* Extern declarations for major data structures. */
-const sctp_sm_table_entry_t *sctp_chunk_event_lookup(sctp_cid_t, sctp_state_t);
-extern const sctp_sm_table_entry_t
-primitive_event_table[SCTP_NUM_PRIMITIVE_TYPES][SCTP_STATE_NUM_STATES];
-extern const sctp_sm_table_entry_t
-other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_STATE_NUM_STATES];
-extern const sctp_sm_table_entry_t
-timeout_event_table[SCTP_NUM_TIMEOUT_TYPES][SCTP_STATE_NUM_STATES];
extern sctp_timer_event_t *sctp_timer_events[SCTP_NUM_TIMEOUT_TYPES];
-/* These are some handy utility macros... */
-
/* Get the size of a DATA chunk payload. */
static inline __u16 sctp_data_size(struct sctp_chunk *chunk)
return 0;
}
-/* Check VTAG of the packet matches the sender's own tag OR its peer's
- * tag and the T bit is set in the Chunk Flags.
+/* Check VTAG of the packet matches the sender's own tag and the T bit is
+ * not set, OR its peer's tag and the T bit is set in the Chunk Flags.
*/
static inline int
sctp_vtag_verify_either(const struct sctp_chunk *chunk,
const struct sctp_association *asoc)
{
- /* RFC 2960 Section 8.5.1, sctpimpguide-06 Section 2.13.2
- *
- * B) The receiver of a ABORT shall accept the packet if the
- * Verification Tag field of the packet matches its own tag OR it
- * is set to its peer's tag and the T bit is set in the Chunk
- * Flags. Otherwise, the receiver MUST silently discard the packet
- * and take no further action.
+ /* RFC 2960 Section 8.5.1, sctpimpguide Section 2.41
*
- * (C) The receiver of a SHUTDOWN COMPLETE shall accept the
- * packet if the Verification Tag field of the packet
- * matches its own tag OR it is set to its peer's tag and
- * the T bit is set in the Chunk Flags. Otherwise, the
- * receiver MUST silently discard the packet and take no
- * further action....
+ * B) The receiver of a ABORT MUST accept the packet
+ * if the Verification Tag field of the packet matches its own tag
+ * and the T bit is not set
+ * OR
+ * it is set to its peer's tag and the T bit is set in the Chunk
+ * Flags.
+ * Otherwise, the receiver MUST silently discard the packet
+ * and take no further action.
*
+ * C) The receiver of a SHUTDOWN COMPLETE shall accept the packet
+ * if the Verification Tag field of the packet matches its own tag
+ * and the T bit is not set
+ * OR
+ * it is set to its peer's tag and the T bit is set in the Chunk
+ * Flags.
+ * Otherwise, the receiver MUST silently discard the packet
+ * and take no further action. An endpoint MUST ignore the
+ * SHUTDOWN COMPLETE if it is not in the SHUTDOWN-ACK-SENT state.
*/
- if ((ntohl(chunk->sctp_hdr->vtag) == asoc->c.my_vtag) ||
- (sctp_test_T_bit(chunk) && (ntohl(chunk->sctp_hdr->vtag)
- == asoc->c.peer_vtag))) {
+ if ((!sctp_test_T_bit(chunk) &&
+ (ntohl(chunk->sctp_hdr->vtag) == asoc->c.my_vtag)) ||
+ (sctp_test_T_bit(chunk) &&
+ (ntohl(chunk->sctp_hdr->vtag) == asoc->c.peer_vtag))) {
return 1;
}
git://git.onelab.eu / linux-2.6.git / blobdiff