188 /* Check for format error in an ABORT chunk */
344 	 * Normally, this would cause an ABORT with a Protocol Violation  in sctp_sf_do_5_1B_init()
352 	 * control endpoint, respond with an ABORT.  in sctp_sf_do_5_1B_init()
366 	 * and ABORT.  Essentially, this catches the race of INIT being  in sctp_sf_do_5_1B_init()
380 		 * Send an ABORT, with causes if there is any.  in sctp_sf_do_5_1B_init()
508  *   association by transmitting an ABORT.
556 		 * Send an ABORT, with causes.  If there are no causes,  in sctp_sf_do_5_1C_ack()
583 		 * This means that if we only want to abort associations  in sctp_sf_do_5_1C_ack()
584 		 * in an authenticated way (i.e AUTH+ABORT), then we  in sctp_sf_do_5_1C_ack()
720 	 * control endpoint, respond with an ABORT.  in sctp_sf_do_5_1D_ce()
738 	 * ABORT.  in sctp_sf_do_5_1D_ce()
765 	 * [We should abort the association. --piggy]  in sctp_sf_do_5_1D_ce()
1323 /* Helper function to send out an abort for the restart
1404 	 * with an ABORT..  in sctp_sf_check_restart_addrs()
1565 		 * Send an ABORT, with causes if there is any.  in sctp_sf_do_unexpected_init()
1622 	 * Upon return an ABORT will have been sent if needed.  in sctp_sf_do_unexpected_init()
1833 	struct sctp_chunk *abort;  in sctp_sf_do_assoc_update()  local
1838 	abort = sctp_make_abort(asoc, NULL, sizeof(struct sctp_errhdr));  in sctp_sf_do_assoc_update()
1839 	if (abort) {  in sctp_sf_do_assoc_update()
1840 		sctp_init_cause(abort, SCTP_ERROR_RSRC_LOW, 0);  in sctp_sf_do_assoc_update()
1841 		sctp_add_cmd_sf(cmds, SCTP_CMD_REPLY, SCTP_CHUNK(abort));  in sctp_sf_do_assoc_update()
2245 	 * [We should abort the association. --piggy]  in sctp_sf_do_5_2_4_dupcook()
2332  * Process an ABORT.  (SHUTDOWN-PENDING state)
2349 	/* Make sure that the ABORT chunk has a valid length.  in sctp_sf_shutdown_pending_abort()
2350 	 * Since this is an ABORT chunk, we have to discard it  in sctp_sf_shutdown_pending_abort()
2353 	 *    If an endpoint receives an ABORT with a format error or for an  in sctp_sf_shutdown_pending_abort()
2362 	/* ADD-IP: Special case for ABORT chunks  in sctp_sf_shutdown_pending_abort()
2363 	 * F4)  One special consideration is that ABORT Chunks arriving  in sctp_sf_shutdown_pending_abort()
2378  * Process an ABORT.  (SHUTDOWN-SENT state)
2395 	/* Make sure that the ABORT chunk has a valid length.  in sctp_sf_shutdown_sent_abort()
2396 	 * Since this is an ABORT chunk, we have to discard it  in sctp_sf_shutdown_sent_abort()
2399 	 *    If an endpoint receives an ABORT with a format error or for an  in sctp_sf_shutdown_sent_abort()
2408 	/* ADD-IP: Special case for ABORT chunks  in sctp_sf_shutdown_sent_abort()
2409 	 * F4)  One special consideration is that ABORT Chunks arriving  in sctp_sf_shutdown_sent_abort()
2432  * Process an ABORT.  (SHUTDOWN-ACK-SENT state)
2622  * Process an ABORT.
2630  * B) Rules for packet carrying ABORT:
2636  *  - If the ABORT is sent in response to an OOTB packet, the endpoint
2665 	/* Make sure that the ABORT chunk has a valid length.  in sctp_sf_do_9_1_abort()
2666 	 * Since this is an ABORT chunk, we have to discard it  in sctp_sf_do_9_1_abort()
2669 	 *    If an endpoint receives an ABORT with a format error or for an  in sctp_sf_do_9_1_abort()
2678 	/* ADD-IP: Special case for ABORT chunks  in sctp_sf_do_9_1_abort()
2679 	 * F4)  One special consideration is that ABORT Chunks arriving  in sctp_sf_do_9_1_abort()
2720  * Process an ABORT.  (COOKIE-WAIT state)
2739 	/* Make sure that the ABORT chunk has a valid length.  in sctp_sf_cookie_wait_abort()
2740 	 * Since this is an ABORT chunk, we have to discard it  in sctp_sf_cookie_wait_abort()
2743 	 *    If an endpoint receives an ABORT with a format error or for an  in sctp_sf_cookie_wait_abort()
2762  * Process an incoming ICMP as an ABORT.  (COOKIE-WAIT state)
2778  * Process an ABORT.  (COOKIE-ECHOED state)
2795  * Stop T1 timer and abort association with "INIT failed".
2806 	pr_debug("%s: ABORT received (INIT)\n", __func__);  in sctp_stop_t1_and_abort()
2891 	 * sender with an ABORT.  in sctp_sf_do_9_2_shutdown()
2976 	 * sender with an ABORT.  in sctp_sf_do_9_2_shut_ctsn()
3434 	 * sender with an ABORT.  in sctp_sf_eat_sack_6_2()
3464  * Generate an ABORT in response to a packet.
3469  *    an ABORT.  When sending the ABORT, the receiver of the OOTB packet
3473  *    Verification Tag is reflected.  After sending this ABORT, the
3491 	struct sctp_chunk *abort;  in sctp_sf_tabort_8_4_8()  local
3497 	/* Make an ABORT. The T bit will be set if the asoc  in sctp_sf_tabort_8_4_8()
3500 	abort = sctp_make_abort(asoc, chunk, 0);  in sctp_sf_tabort_8_4_8()
3501 	if (!abort) {  in sctp_sf_tabort_8_4_8()
3507 	if (sctp_test_T_bit(abort))  in sctp_sf_tabort_8_4_8()
3511 	abort->skb->sk = ep->base.sk;  in sctp_sf_tabort_8_4_8()
3513 	sctp_packet_append_chunk(packet, abort);  in sctp_sf_tabort_8_4_8()
3538 	struct sctp_chunk *abort;  in sctp_sf_new_encap_port()  local
3544 	abort = sctp_make_new_encap_port(asoc, chunk);  in sctp_sf_new_encap_port()
3545 	if (!abort) {  in sctp_sf_new_encap_port()
3550 	abort->skb->sk = ep->base.sk;  in sctp_sf_new_encap_port()
3552 	sctp_packet_append_chunk(packet, abort);  in sctp_sf_new_encap_port()
3684  *    an ABORT.  When sending the ABORT, the receiver of the OOTB packet
3688  *    Verification Tag is reflected.  After sending this ABORT, the
3732 		 *   receives an ABORT  MUST NOT respond to that ABORT by  in sctp_sf_ootb()
3733 		 *   sending an ABORT of its own.  in sctp_sf_ootb()
4025 	struct sctp_chunk *abort;  in sctp_sf_do_asconf_ack()  local
4066 	 * outstanding the endpoint MUST ABORT the association. Note that a  in sctp_sf_do_asconf_ack()
4072 		abort = sctp_make_abort(asoc, asconf_ack,  in sctp_sf_do_asconf_ack()
4074 		if (abort) {  in sctp_sf_do_asconf_ack()
4075 			sctp_init_cause(abort, SCTP_ERROR_ASCONF_ACK, 0);  in sctp_sf_do_asconf_ack()
4077 					SCTP_CHUNK(abort));  in sctp_sf_do_asconf_ack()
4079 		/* We are going to ABORT, so we might as well stop  in sctp_sf_do_asconf_ack()
4104 		abort = sctp_make_abort(asoc, asconf_ack,  in sctp_sf_do_asconf_ack()
4106 		if (abort) {  in sctp_sf_do_asconf_ack()
4107 			sctp_init_cause(abort, SCTP_ERROR_RSRC_LOW, 0);  in sctp_sf_do_asconf_ack()
4109 					SCTP_CHUNK(abort));  in sctp_sf_do_asconf_ack()
4111 		/* We are going to ABORT, so we might as well stop  in sctp_sf_do_asconf_ack()
4640  * 2) If the OOTB packet contains an ABORT chunk, the receiver MUST
4714 	struct sctp_chunk *abort = NULL;  in sctp_sf_abort_violation()  local
4722 	 * This means that if we only want to abort associations  in sctp_sf_abort_violation()
4723 	 * in an authenticated way (i.e AUTH+ABORT), then we  in sctp_sf_abort_violation()
4730 	/* Make the abort chunk. */  in sctp_sf_abort_violation()
4731 	abort = sctp_make_abort_violation(asoc, chunk, payload, paylen);  in sctp_sf_abort_violation()
4732 	if (!abort)  in sctp_sf_abort_violation()
4743 				abort->chunk_hdr->flags |= SCTP_CHUNK_FLAG_T;  in sctp_sf_abort_violation()
4753 		sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort));  in sctp_sf_abort_violation()
4776 		if (sctp_test_T_bit(abort))  in sctp_sf_abort_violation()
4779 		abort->skb->sk = ep->base.sk;  in sctp_sf_abort_violation()
4781 		sctp_packet_append_chunk(packet, abort);  in sctp_sf_abort_violation()
4796 	sctp_chunk_free(abort);  in sctp_sf_abort_violation()
4807  * We inform the other end by sending an ABORT with a Protocol Violation
4818  * Generate an  ABORT chunk and terminate the association.
4849 	struct sctp_chunk *abort = NULL;  in sctp_sf_violation_paramlen()  local
4855 	/* Make the abort chunk. */  in sctp_sf_violation_paramlen()
4856 	abort = sctp_make_violation_paramlen(asoc, chunk, param);  in sctp_sf_violation_paramlen()
4857 	if (!abort)  in sctp_sf_violation_paramlen()
4860 	sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort));  in sctp_sf_violation_paramlen()
4880  * We inform the other end by sending an ABORT with a Protocol Violation
5158  * Process the ABORT primitive.
5161  * C) Abort
5163  * Format: Abort(association id [, cause code])
5167  * will be discarded and an ABORT chunk is sent to the peer.  A success code
5169  * attempting to abort the association results in a failure, an error
5178  *  o cause code - reason of the abort to be passed to the peer
5192 	/* From 9.1 Abort of an Association  in sctp_sf_do_9_1_prm_abort()
5193 	 * Upon receipt of the ABORT primitive from its upper  in sctp_sf_do_9_1_prm_abort()
5200 	struct sctp_chunk *abort = arg;  in sctp_sf_do_9_1_prm_abort()  local
5202 	if (abort)  in sctp_sf_do_9_1_prm_abort()
5203 		sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort));  in sctp_sf_do_9_1_prm_abort()
5205 	/* Even if we can't send the ABORT due to low memory delete the  in sctp_sf_do_9_1_prm_abort()
5321  * state table when someone issues an abort while in COOKIE_WAIT state.
5334 	struct sctp_chunk *abort = arg;  in sctp_sf_cookie_wait_prm_abort()  local
5340 	if (abort)  in sctp_sf_cookie_wait_prm_abort()
5341 		sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort));  in sctp_sf_cookie_wait_prm_abort()
5348 	/* Even if we can't send the ABORT due to low memory delete the  in sctp_sf_cookie_wait_prm_abort()
5370  * state table when someone issues an abort while in COOKIE_ECHOED state.
5396  * state table when someone issues an abort while in SHUTDOWN-PENDING state.
5423  * state table when someone issues an abort while in SHUTDOWN-SENT state.
5454  * state table when someone issues an abort while in COOKIE_ECHOED state.
5903  *     endpoint MUST abort the initialization process and report the
5968  *     After that, the endpoint MUST abort the initialization process and
6166  * At the expiration of this timer the sender SHOULD abort the association
6167  * by sending an ABORT chunk.
6328 /* Create an ABORT packet to be sent as a response, with the specified
6339 	struct sctp_chunk *abort;  in sctp_abort_pkt_new()  local
6344 		/* Make an ABORT.  in sctp_abort_pkt_new()
6347 		abort = sctp_make_abort(asoc, chunk, paylen);  in sctp_abort_pkt_new()
6348 		if (!abort) {  in sctp_abort_pkt_new()
6354 		if (sctp_test_T_bit(abort))  in sctp_abort_pkt_new()
6360 		sctp_addto_chunk(abort, paylen, payload);  in sctp_abort_pkt_new()
6363 		abort->skb->sk = ep->base.sk;  in sctp_abort_pkt_new()
6365 		sctp_packet_append_chunk(packet, abort);  in sctp_abort_pkt_new()
6621 		/* We are going to ABORT, so we might as well stop  in sctp_eat_data()