173 /* Check for format error in an ABORT chunk */
334 	 * control endpoint, respond with an ABORT.  in sctp_sf_do_5_1B_init()
348 	 * Normally, this would cause an ABORT with a Protocol Violation  in sctp_sf_do_5_1B_init()
356 	 * and ABORT.  Essentially, this catches the race of INIT being  in sctp_sf_do_5_1B_init()
370 		 * Send an ABORT, with causes if there is any.  in sctp_sf_do_5_1B_init()
492  *   association by transmitting an ABORT.
540 		 * Send an ABORT, with causes.  If there are no causes,  in sctp_sf_do_5_1C_ack()
567 		 * This means that if we only want to abort associations  in sctp_sf_do_5_1C_ack()
568 		 * in an authenticated way (i.e AUTH+ABORT), then we  in sctp_sf_do_5_1C_ack()
701 	 * control endpoint, respond with an ABORT.  in sctp_sf_do_5_1D_ce()
718 	 * ABORT.  in sctp_sf_do_5_1D_ce()
745 	 * [We should abort the association. --piggy]  in sctp_sf_do_5_1D_ce()
1261 /* Helper function to send out an abort for the restart
1342 	 * with an ABORT..  in sctp_sf_check_restart_addrs()
1508 		 * Send an ABORT, with causes if there is any.  in sctp_sf_do_unexpected_init()
1559 	 * Upon return an ABORT will have been sent if needed.  in sctp_sf_do_unexpected_init()
2152 	 * [We should abort the association. --piggy]  in sctp_sf_do_5_2_4_dupcook()
2230  * Process an ABORT.  (SHUTDOWN-PENDING state)
2247 	/* Make sure that the ABORT chunk has a valid length.  in sctp_sf_shutdown_pending_abort()
2248 	 * Since this is an ABORT chunk, we have to discard it  in sctp_sf_shutdown_pending_abort()
2251 	 *    If an endpoint receives an ABORT with a format error or for an  in sctp_sf_shutdown_pending_abort()
2260 	/* ADD-IP: Special case for ABORT chunks  in sctp_sf_shutdown_pending_abort()
2261 	 * F4)  One special consideration is that ABORT Chunks arriving  in sctp_sf_shutdown_pending_abort()
2276  * Process an ABORT.  (SHUTDOWN-SENT state)
2293 	/* Make sure that the ABORT chunk has a valid length.  in sctp_sf_shutdown_sent_abort()
2294 	 * Since this is an ABORT chunk, we have to discard it  in sctp_sf_shutdown_sent_abort()
2297 	 *    If an endpoint receives an ABORT with a format error or for an  in sctp_sf_shutdown_sent_abort()
2306 	/* ADD-IP: Special case for ABORT chunks  in sctp_sf_shutdown_sent_abort()
2307 	 * F4)  One special consideration is that ABORT Chunks arriving  in sctp_sf_shutdown_sent_abort()
2330  * Process an ABORT.  (SHUTDOWN-ACK-SENT state)
2520  * Process an ABORT.
2528  * B) Rules for packet carrying ABORT:
2534  *  - If the ABORT is sent in response to an OOTB packet, the endpoint
2563 	/* Make sure that the ABORT chunk has a valid length.  in sctp_sf_do_9_1_abort()
2564 	 * Since this is an ABORT chunk, we have to discard it  in sctp_sf_do_9_1_abort()
2567 	 *    If an endpoint receives an ABORT with a format error or for an  in sctp_sf_do_9_1_abort()
2576 	/* ADD-IP: Special case for ABORT chunks  in sctp_sf_do_9_1_abort()
2577 	 * F4)  One special consideration is that ABORT Chunks arriving  in sctp_sf_do_9_1_abort()
2618  * Process an ABORT.  (COOKIE-WAIT state)
2637 	/* Make sure that the ABORT chunk has a valid length.  in sctp_sf_cookie_wait_abort()
2638 	 * Since this is an ABORT chunk, we have to discard it  in sctp_sf_cookie_wait_abort()
2641 	 *    If an endpoint receives an ABORT with a format error or for an  in sctp_sf_cookie_wait_abort()
2660  * Process an incoming ICMP as an ABORT.  (COOKIE-WAIT state)
2676  * Process an ABORT.  (COOKIE-ECHOED state)
2693  * Stop T1 timer and abort association with "INIT failed".
2704 	pr_debug("%s: ABORT received (INIT)\n", __func__);  in sctp_stop_t1_and_abort()
2789 	 * sender with an ABORT.  in sctp_sf_do_9_2_shutdown()
2874 	 * sender with an ABORT.  in sctp_sf_do_9_2_shut_ctsn()
3314 	 * sender with an ABORT.  in sctp_sf_eat_sack_6_2()
3344  * Generate an ABORT in response to a packet.
3349  *    an ABORT.  When sending the ABORT, the receiver of the OOTB packet
3353  *    Verification Tag is reflected.  After sending this ABORT, the
3371 	struct sctp_chunk *abort;  in sctp_sf_tabort_8_4_8()  local
3377 	/* Make an ABORT. The T bit will be set if the asoc  in sctp_sf_tabort_8_4_8()
3380 	abort = sctp_make_abort(asoc, chunk, 0);  in sctp_sf_tabort_8_4_8()
3381 	if (!abort) {  in sctp_sf_tabort_8_4_8()
3387 	if (sctp_test_T_bit(abort))  in sctp_sf_tabort_8_4_8()
3391 	abort->skb->sk = ep->base.sk;  in sctp_sf_tabort_8_4_8()
3393 	sctp_packet_append_chunk(packet, abort);  in sctp_sf_tabort_8_4_8()
3525  *    an ABORT.  When sending the ABORT, the receiver of the OOTB packet
3529  *    Verification Tag is reflected.  After sending this ABORT, the
3570 		 *   receives an ABORT  MUST NOT respond to that ABORT by  in sctp_sf_ootb()
3571 		 *   sending an ABORT of its own.  in sctp_sf_ootb()
3867 	struct sctp_chunk *abort;  in sctp_sf_do_asconf_ack()  local
3909 	 * outstanding the endpoint MUST ABORT the association. Note that a  in sctp_sf_do_asconf_ack()
3915 		abort = sctp_make_abort(asoc, asconf_ack,  in sctp_sf_do_asconf_ack()
3917 		if (abort) {  in sctp_sf_do_asconf_ack()
3918 			sctp_init_cause(abort, SCTP_ERROR_ASCONF_ACK, 0);  in sctp_sf_do_asconf_ack()
3920 					SCTP_CHUNK(abort));  in sctp_sf_do_asconf_ack()
3922 		/* We are going to ABORT, so we might as well stop  in sctp_sf_do_asconf_ack()
3947 		abort = sctp_make_abort(asoc, asconf_ack,  in sctp_sf_do_asconf_ack()
3949 		if (abort) {  in sctp_sf_do_asconf_ack()
3950 			sctp_init_cause(abort, SCTP_ERROR_RSRC_LOW, 0);  in sctp_sf_do_asconf_ack()
3952 					SCTP_CHUNK(abort));  in sctp_sf_do_asconf_ack()
3954 		/* We are going to ABORT, so we might as well stop  in sctp_sf_do_asconf_ack()
4480  * 2) If the OOTB packet contains an ABORT chunk, the receiver MUST
4551 	struct sctp_chunk *abort = NULL;  in sctp_sf_abort_violation()  local
4559 	 * This means that if we only want to abort associations  in sctp_sf_abort_violation()
4560 	 * in an authenticated way (i.e AUTH+ABORT), then we  in sctp_sf_abort_violation()
4567 	/* Make the abort chunk. */  in sctp_sf_abort_violation()
4568 	abort = sctp_make_abort_violation(asoc, chunk, payload, paylen);  in sctp_sf_abort_violation()
4569 	if (!abort)  in sctp_sf_abort_violation()
4580 				abort->chunk_hdr->flags |= SCTP_CHUNK_FLAG_T;  in sctp_sf_abort_violation()
4590 		sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort));  in sctp_sf_abort_violation()
4613 		if (sctp_test_T_bit(abort))  in sctp_sf_abort_violation()
4616 		abort->skb->sk = ep->base.sk;  in sctp_sf_abort_violation()
4618 		sctp_packet_append_chunk(packet, abort);  in sctp_sf_abort_violation()
4633 	sctp_chunk_free(abort);  in sctp_sf_abort_violation()
4644  * We inform the other end by sending an ABORT with a Protocol Violation
4655  * Generate an  ABORT chunk and terminate the association.
4686 	struct sctp_chunk *abort = NULL;  in sctp_sf_violation_paramlen()  local
4692 	/* Make the abort chunk. */  in sctp_sf_violation_paramlen()
4693 	abort = sctp_make_violation_paramlen(asoc, chunk, param);  in sctp_sf_violation_paramlen()
4694 	if (!abort)  in sctp_sf_violation_paramlen()
4697 	sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort));  in sctp_sf_violation_paramlen()
4717  * We inform the other end by sending an ABORT with a Protocol Violation
4998  * Process the ABORT primitive.
5001  * C) Abort
5003  * Format: Abort(association id [, cause code])
5007  * will be discarded and an ABORT chunk is sent to the peer.  A success code
5009  * attempting to abort the association results in a failure, an error
5018  *  o cause code - reason of the abort to be passed to the peer
5032 	/* From 9.1 Abort of an Association  in sctp_sf_do_9_1_prm_abort()
5033 	 * Upon receipt of the ABORT primitive from its upper  in sctp_sf_do_9_1_prm_abort()
5040 	struct sctp_chunk *abort = arg;  in sctp_sf_do_9_1_prm_abort()  local
5042 	if (abort)  in sctp_sf_do_9_1_prm_abort()
5043 		sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort));  in sctp_sf_do_9_1_prm_abort()
5045 	/* Even if we can't send the ABORT due to low memory delete the  in sctp_sf_do_9_1_prm_abort()
5161  * state table when someone issues an abort while in COOKIE_WAIT state.
5174 	struct sctp_chunk *abort = arg;  in sctp_sf_cookie_wait_prm_abort()  local
5180 	if (abort)  in sctp_sf_cookie_wait_prm_abort()
5181 		sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort));  in sctp_sf_cookie_wait_prm_abort()
5188 	/* Even if we can't send the ABORT due to low memory delete the  in sctp_sf_cookie_wait_prm_abort()
5210  * state table when someone issues an abort while in COOKIE_ECHOED state.
5236  * state table when someone issues an abort while in SHUTDOWN-PENDING state.
5263  * state table when someone issues an abort while in SHUTDOWN-SENT state.
5294  * state table when someone issues an abort while in COOKIE_ECHOED state.
5743  *     endpoint MUST abort the initialization process and report the
5808  *     After that, the endpoint MUST abort the initialization process and
6006  * At the expiration of this timer the sender SHOULD abort the association
6007  * by sending an ABORT chunk.
6168 /* Create an ABORT packet to be sent as a response, with the specified
6179 	struct sctp_chunk *abort;  in sctp_abort_pkt_new()  local
6184 		/* Make an ABORT.  in sctp_abort_pkt_new()
6187 		abort = sctp_make_abort(asoc, chunk, paylen);  in sctp_abort_pkt_new()
6188 		if (!abort) {  in sctp_abort_pkt_new()
6194 		if (sctp_test_T_bit(abort))  in sctp_abort_pkt_new()
6200 		sctp_addto_chunk(abort, paylen, payload);  in sctp_abort_pkt_new()
6203 		abort->skb->sk = ep->base.sk;  in sctp_abort_pkt_new()
6205 		sctp_packet_append_chunk(packet, abort);  in sctp_abort_pkt_new()
6460 		/* We are going to ABORT, so we might as well stop  in sctp_eat_data()