187 /* Check for format error in an ABORT chunk */
343 	 * Normally, this would cause an ABORT with a Protocol Violation  in sctp_sf_do_5_1B_init()
351 	 * control endpoint, respond with an ABORT.  in sctp_sf_do_5_1B_init()
365 	 * and ABORT.  Essentially, this catches the race of INIT being  in sctp_sf_do_5_1B_init()
379 		 * Send an ABORT, with causes if there is any.  in sctp_sf_do_5_1B_init()
507  *   association by transmitting an ABORT.
555 		 * Send an ABORT, with causes.  If there are no causes,  in sctp_sf_do_5_1C_ack()
582 		 * This means that if we only want to abort associations  in sctp_sf_do_5_1C_ack()
583 		 * in an authenticated way (i.e AUTH+ABORT), then we  in sctp_sf_do_5_1C_ack()
719 	 * control endpoint, respond with an ABORT.  in sctp_sf_do_5_1D_ce()
737 	 * ABORT.  in sctp_sf_do_5_1D_ce()
764 	 * [We should abort the association. --piggy]  in sctp_sf_do_5_1D_ce()
1321 /* Helper function to send out an abort for the restart
1402 	 * with an ABORT..  in sctp_sf_check_restart_addrs()
1563 		 * Send an ABORT, with causes if there is any.  in sctp_sf_do_unexpected_init()
1620 	 * Upon return an ABORT will have been sent if needed.  in sctp_sf_do_unexpected_init()
1831 	struct sctp_chunk *abort;  in sctp_sf_do_assoc_update()  local
1836 	abort = sctp_make_abort(asoc, NULL, sizeof(struct sctp_errhdr));  in sctp_sf_do_assoc_update()
1837 	if (abort) {  in sctp_sf_do_assoc_update()
1838 		sctp_init_cause(abort, SCTP_ERROR_RSRC_LOW, 0);  in sctp_sf_do_assoc_update()
1839 		sctp_add_cmd_sf(cmds, SCTP_CMD_REPLY, SCTP_CHUNK(abort));  in sctp_sf_do_assoc_update()
2243 	 * [We should abort the association. --piggy]  in sctp_sf_do_5_2_4_dupcook()
2330  * Process an ABORT.  (SHUTDOWN-PENDING state)
2347 	/* Make sure that the ABORT chunk has a valid length.  in sctp_sf_shutdown_pending_abort()
2348 	 * Since this is an ABORT chunk, we have to discard it  in sctp_sf_shutdown_pending_abort()
2351 	 *    If an endpoint receives an ABORT with a format error or for an  in sctp_sf_shutdown_pending_abort()
2360 	/* ADD-IP: Special case for ABORT chunks  in sctp_sf_shutdown_pending_abort()
2361 	 * F4)  One special consideration is that ABORT Chunks arriving  in sctp_sf_shutdown_pending_abort()
2376  * Process an ABORT.  (SHUTDOWN-SENT state)
2393 	/* Make sure that the ABORT chunk has a valid length.  in sctp_sf_shutdown_sent_abort()
2394 	 * Since this is an ABORT chunk, we have to discard it  in sctp_sf_shutdown_sent_abort()
2397 	 *    If an endpoint receives an ABORT with a format error or for an  in sctp_sf_shutdown_sent_abort()
2406 	/* ADD-IP: Special case for ABORT chunks  in sctp_sf_shutdown_sent_abort()
2407 	 * F4)  One special consideration is that ABORT Chunks arriving  in sctp_sf_shutdown_sent_abort()
2430  * Process an ABORT.  (SHUTDOWN-ACK-SENT state)
2620  * Process an ABORT.
2628  * B) Rules for packet carrying ABORT:
2634  *  - If the ABORT is sent in response to an OOTB packet, the endpoint
2663 	/* Make sure that the ABORT chunk has a valid length.  in sctp_sf_do_9_1_abort()
2664 	 * Since this is an ABORT chunk, we have to discard it  in sctp_sf_do_9_1_abort()
2667 	 *    If an endpoint receives an ABORT with a format error or for an  in sctp_sf_do_9_1_abort()
2676 	/* ADD-IP: Special case for ABORT chunks  in sctp_sf_do_9_1_abort()
2677 	 * F4)  One special consideration is that ABORT Chunks arriving  in sctp_sf_do_9_1_abort()
2718  * Process an ABORT.  (COOKIE-WAIT state)
2737 	/* Make sure that the ABORT chunk has a valid length.  in sctp_sf_cookie_wait_abort()
2738 	 * Since this is an ABORT chunk, we have to discard it  in sctp_sf_cookie_wait_abort()
2741 	 *    If an endpoint receives an ABORT with a format error or for an  in sctp_sf_cookie_wait_abort()
2760  * Process an incoming ICMP as an ABORT.  (COOKIE-WAIT state)
2776  * Process an ABORT.  (COOKIE-ECHOED state)
2793  * Stop T1 timer and abort association with "INIT failed".
2804 	pr_debug("%s: ABORT received (INIT)\n", __func__);  in sctp_stop_t1_and_abort()
2889 	 * sender with an ABORT.  in sctp_sf_do_9_2_shutdown()
2974 	 * sender with an ABORT.  in sctp_sf_do_9_2_shut_ctsn()
3432 	 * sender with an ABORT.  in sctp_sf_eat_sack_6_2()
3462  * Generate an ABORT in response to a packet.
3467  *    an ABORT.  When sending the ABORT, the receiver of the OOTB packet
3471  *    Verification Tag is reflected.  After sending this ABORT, the
3489 	struct sctp_chunk *abort;  in sctp_sf_tabort_8_4_8()  local
3495 	/* Make an ABORT. The T bit will be set if the asoc  in sctp_sf_tabort_8_4_8()
3498 	abort = sctp_make_abort(asoc, chunk, 0);  in sctp_sf_tabort_8_4_8()
3499 	if (!abort) {  in sctp_sf_tabort_8_4_8()
3505 	if (sctp_test_T_bit(abort))  in sctp_sf_tabort_8_4_8()
3509 	abort->skb->sk = ep->base.sk;  in sctp_sf_tabort_8_4_8()
3511 	sctp_packet_append_chunk(packet, abort);  in sctp_sf_tabort_8_4_8()
3536 	struct sctp_chunk *abort;  in sctp_sf_new_encap_port()  local
3542 	abort = sctp_make_new_encap_port(asoc, chunk);  in sctp_sf_new_encap_port()
3543 	if (!abort) {  in sctp_sf_new_encap_port()
3548 	abort->skb->sk = ep->base.sk;  in sctp_sf_new_encap_port()
3550 	sctp_packet_append_chunk(packet, abort);  in sctp_sf_new_encap_port()
3682  *    an ABORT.  When sending the ABORT, the receiver of the OOTB packet
3686  *    Verification Tag is reflected.  After sending this ABORT, the
3730 		 *   receives an ABORT  MUST NOT respond to that ABORT by  in sctp_sf_ootb()
3731 		 *   sending an ABORT of its own.  in sctp_sf_ootb()
4023 	struct sctp_chunk *abort;  in sctp_sf_do_asconf_ack()  local
4064 	 * outstanding the endpoint MUST ABORT the association. Note that a  in sctp_sf_do_asconf_ack()
4070 		abort = sctp_make_abort(asoc, asconf_ack,  in sctp_sf_do_asconf_ack()
4072 		if (abort) {  in sctp_sf_do_asconf_ack()
4073 			sctp_init_cause(abort, SCTP_ERROR_ASCONF_ACK, 0);  in sctp_sf_do_asconf_ack()
4075 					SCTP_CHUNK(abort));  in sctp_sf_do_asconf_ack()
4077 		/* We are going to ABORT, so we might as well stop  in sctp_sf_do_asconf_ack()
4102 		abort = sctp_make_abort(asoc, asconf_ack,  in sctp_sf_do_asconf_ack()
4104 		if (abort) {  in sctp_sf_do_asconf_ack()
4105 			sctp_init_cause(abort, SCTP_ERROR_RSRC_LOW, 0);  in sctp_sf_do_asconf_ack()
4107 					SCTP_CHUNK(abort));  in sctp_sf_do_asconf_ack()
4109 		/* We are going to ABORT, so we might as well stop  in sctp_sf_do_asconf_ack()
4638  * 2) If the OOTB packet contains an ABORT chunk, the receiver MUST
4712 	struct sctp_chunk *abort = NULL;  in sctp_sf_abort_violation()  local
4720 	 * This means that if we only want to abort associations  in sctp_sf_abort_violation()
4721 	 * in an authenticated way (i.e AUTH+ABORT), then we  in sctp_sf_abort_violation()
4728 	/* Make the abort chunk. */  in sctp_sf_abort_violation()
4729 	abort = sctp_make_abort_violation(asoc, chunk, payload, paylen);  in sctp_sf_abort_violation()
4730 	if (!abort)  in sctp_sf_abort_violation()
4741 				abort->chunk_hdr->flags |= SCTP_CHUNK_FLAG_T;  in sctp_sf_abort_violation()
4751 		sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort));  in sctp_sf_abort_violation()
4774 		if (sctp_test_T_bit(abort))  in sctp_sf_abort_violation()
4777 		abort->skb->sk = ep->base.sk;  in sctp_sf_abort_violation()
4779 		sctp_packet_append_chunk(packet, abort);  in sctp_sf_abort_violation()
4794 	sctp_chunk_free(abort);  in sctp_sf_abort_violation()
4805  * We inform the other end by sending an ABORT with a Protocol Violation
4816  * Generate an  ABORT chunk and terminate the association.
4847 	struct sctp_chunk *abort = NULL;  in sctp_sf_violation_paramlen()  local
4853 	/* Make the abort chunk. */  in sctp_sf_violation_paramlen()
4854 	abort = sctp_make_violation_paramlen(asoc, chunk, param);  in sctp_sf_violation_paramlen()
4855 	if (!abort)  in sctp_sf_violation_paramlen()
4858 	sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort));  in sctp_sf_violation_paramlen()
4878  * We inform the other end by sending an ABORT with a Protocol Violation
5156  * Process the ABORT primitive.
5159  * C) Abort
5161  * Format: Abort(association id [, cause code])
5165  * will be discarded and an ABORT chunk is sent to the peer.  A success code
5167  * attempting to abort the association results in a failure, an error
5176  *  o cause code - reason of the abort to be passed to the peer
5190 	/* From 9.1 Abort of an Association  in sctp_sf_do_9_1_prm_abort()
5191 	 * Upon receipt of the ABORT primitive from its upper  in sctp_sf_do_9_1_prm_abort()
5198 	struct sctp_chunk *abort = arg;  in sctp_sf_do_9_1_prm_abort()  local
5200 	if (abort)  in sctp_sf_do_9_1_prm_abort()
5201 		sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort));  in sctp_sf_do_9_1_prm_abort()
5203 	/* Even if we can't send the ABORT due to low memory delete the  in sctp_sf_do_9_1_prm_abort()
5319  * state table when someone issues an abort while in COOKIE_WAIT state.
5332 	struct sctp_chunk *abort = arg;  in sctp_sf_cookie_wait_prm_abort()  local
5338 	if (abort)  in sctp_sf_cookie_wait_prm_abort()
5339 		sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort));  in sctp_sf_cookie_wait_prm_abort()
5346 	/* Even if we can't send the ABORT due to low memory delete the  in sctp_sf_cookie_wait_prm_abort()
5368  * state table when someone issues an abort while in COOKIE_ECHOED state.
5394  * state table when someone issues an abort while in SHUTDOWN-PENDING state.
5421  * state table when someone issues an abort while in SHUTDOWN-SENT state.
5452  * state table when someone issues an abort while in COOKIE_ECHOED state.
5901  *     endpoint MUST abort the initialization process and report the
5966  *     After that, the endpoint MUST abort the initialization process and
6164  * At the expiration of this timer the sender SHOULD abort the association
6165  * by sending an ABORT chunk.
6326 /* Create an ABORT packet to be sent as a response, with the specified
6337 	struct sctp_chunk *abort;  in sctp_abort_pkt_new()  local
6342 		/* Make an ABORT.  in sctp_abort_pkt_new()
6345 		abort = sctp_make_abort(asoc, chunk, paylen);  in sctp_abort_pkt_new()
6346 		if (!abort) {  in sctp_abort_pkt_new()
6352 		if (sctp_test_T_bit(abort))  in sctp_abort_pkt_new()
6358 		sctp_addto_chunk(abort, paylen, payload);  in sctp_abort_pkt_new()
6361 		abort->skb->sk = ep->base.sk;  in sctp_abort_pkt_new()
6363 		sctp_packet_append_chunk(packet, abort);  in sctp_abort_pkt_new()
6619 		/* We are going to ABORT, so we might as well stop  in sctp_eat_data()