186 /* Check for format error in an ABORT chunk */
347 	 * Normally, this would cause an ABORT with a Protocol Violation  in sctp_sf_do_5_1B_init()
355 	 * control endpoint, respond with an ABORT.  in sctp_sf_do_5_1B_init()
369 	 * and ABORT.  Essentially, this catches the race of INIT being  in sctp_sf_do_5_1B_init()
383 		 * Send an ABORT, with causes if there is any.  in sctp_sf_do_5_1B_init()
505  *   association by transmitting an ABORT.
553 		 * Send an ABORT, with causes.  If there are no causes,  in sctp_sf_do_5_1C_ack()
580 		 * This means that if we only want to abort associations  in sctp_sf_do_5_1C_ack()
581 		 * in an authenticated way (i.e AUTH+ABORT), then we  in sctp_sf_do_5_1C_ack()
717 	 * control endpoint, respond with an ABORT.  in sctp_sf_do_5_1D_ce()
735 	 * ABORT.  in sctp_sf_do_5_1D_ce()
762 	 * [We should abort the association. --piggy]  in sctp_sf_do_5_1D_ce()
1315 /* Helper function to send out an abort for the restart
1396 	 * with an ABORT..  in sctp_sf_check_restart_addrs()
1562 		 * Send an ABORT, with causes if there is any.  in sctp_sf_do_unexpected_init()
1613 	 * Upon return an ABORT will have been sent if needed.  in sctp_sf_do_unexpected_init()
1824 	struct sctp_chunk *abort;  in sctp_sf_do_assoc_update()  local
1829 	abort = sctp_make_abort(asoc, NULL, sizeof(struct sctp_errhdr));  in sctp_sf_do_assoc_update()
1830 	if (abort) {  in sctp_sf_do_assoc_update()
1831 		sctp_init_cause(abort, SCTP_ERROR_RSRC_LOW, 0);  in sctp_sf_do_assoc_update()
1832 		sctp_add_cmd_sf(cmds, SCTP_CMD_REPLY, SCTP_CHUNK(abort));  in sctp_sf_do_assoc_update()
2237 	 * [We should abort the association. --piggy]  in sctp_sf_do_5_2_4_dupcook()
2315  * Process an ABORT.  (SHUTDOWN-PENDING state)
2332 	/* Make sure that the ABORT chunk has a valid length.  in sctp_sf_shutdown_pending_abort()
2333 	 * Since this is an ABORT chunk, we have to discard it  in sctp_sf_shutdown_pending_abort()
2336 	 *    If an endpoint receives an ABORT with a format error or for an  in sctp_sf_shutdown_pending_abort()
2345 	/* ADD-IP: Special case for ABORT chunks  in sctp_sf_shutdown_pending_abort()
2346 	 * F4)  One special consideration is that ABORT Chunks arriving  in sctp_sf_shutdown_pending_abort()
2361  * Process an ABORT.  (SHUTDOWN-SENT state)
2378 	/* Make sure that the ABORT chunk has a valid length.  in sctp_sf_shutdown_sent_abort()
2379 	 * Since this is an ABORT chunk, we have to discard it  in sctp_sf_shutdown_sent_abort()
2382 	 *    If an endpoint receives an ABORT with a format error or for an  in sctp_sf_shutdown_sent_abort()
2391 	/* ADD-IP: Special case for ABORT chunks  in sctp_sf_shutdown_sent_abort()
2392 	 * F4)  One special consideration is that ABORT Chunks arriving  in sctp_sf_shutdown_sent_abort()
2415  * Process an ABORT.  (SHUTDOWN-ACK-SENT state)
2605  * Process an ABORT.
2613  * B) Rules for packet carrying ABORT:
2619  *  - If the ABORT is sent in response to an OOTB packet, the endpoint
2648 	/* Make sure that the ABORT chunk has a valid length.  in sctp_sf_do_9_1_abort()
2649 	 * Since this is an ABORT chunk, we have to discard it  in sctp_sf_do_9_1_abort()
2652 	 *    If an endpoint receives an ABORT with a format error or for an  in sctp_sf_do_9_1_abort()
2661 	/* ADD-IP: Special case for ABORT chunks  in sctp_sf_do_9_1_abort()
2662 	 * F4)  One special consideration is that ABORT Chunks arriving  in sctp_sf_do_9_1_abort()
2703  * Process an ABORT.  (COOKIE-WAIT state)
2722 	/* Make sure that the ABORT chunk has a valid length.  in sctp_sf_cookie_wait_abort()
2723 	 * Since this is an ABORT chunk, we have to discard it  in sctp_sf_cookie_wait_abort()
2726 	 *    If an endpoint receives an ABORT with a format error or for an  in sctp_sf_cookie_wait_abort()
2745  * Process an incoming ICMP as an ABORT.  (COOKIE-WAIT state)
2761  * Process an ABORT.  (COOKIE-ECHOED state)
2778  * Stop T1 timer and abort association with "INIT failed".
2789 	pr_debug("%s: ABORT received (INIT)\n", __func__);  in sctp_stop_t1_and_abort()
2874 	 * sender with an ABORT.  in sctp_sf_do_9_2_shutdown()
2959 	 * sender with an ABORT.  in sctp_sf_do_9_2_shut_ctsn()
3417 	 * sender with an ABORT.  in sctp_sf_eat_sack_6_2()
3447  * Generate an ABORT in response to a packet.
3452  *    an ABORT.  When sending the ABORT, the receiver of the OOTB packet
3456  *    Verification Tag is reflected.  After sending this ABORT, the
3474 	struct sctp_chunk *abort;  in sctp_sf_tabort_8_4_8()  local
3480 	/* Make an ABORT. The T bit will be set if the asoc  in sctp_sf_tabort_8_4_8()
3483 	abort = sctp_make_abort(asoc, chunk, 0);  in sctp_sf_tabort_8_4_8()
3484 	if (!abort) {  in sctp_sf_tabort_8_4_8()
3490 	if (sctp_test_T_bit(abort))  in sctp_sf_tabort_8_4_8()
3494 	abort->skb->sk = ep->base.sk;  in sctp_sf_tabort_8_4_8()
3496 	sctp_packet_append_chunk(packet, abort);  in sctp_sf_tabort_8_4_8()
3521 	struct sctp_chunk *abort;  in sctp_sf_new_encap_port()  local
3527 	abort = sctp_make_new_encap_port(asoc, chunk);  in sctp_sf_new_encap_port()
3528 	if (!abort) {  in sctp_sf_new_encap_port()
3533 	abort->skb->sk = ep->base.sk;  in sctp_sf_new_encap_port()
3535 	sctp_packet_append_chunk(packet, abort);  in sctp_sf_new_encap_port()
3667  *    an ABORT.  When sending the ABORT, the receiver of the OOTB packet
3671  *    Verification Tag is reflected.  After sending this ABORT, the
3715 		 *   receives an ABORT  MUST NOT respond to that ABORT by  in sctp_sf_ootb()
3716 		 *   sending an ABORT of its own.  in sctp_sf_ootb()
4008 	struct sctp_chunk *abort;  in sctp_sf_do_asconf_ack()  local
4049 	 * outstanding the endpoint MUST ABORT the association. Note that a  in sctp_sf_do_asconf_ack()
4055 		abort = sctp_make_abort(asoc, asconf_ack,  in sctp_sf_do_asconf_ack()
4057 		if (abort) {  in sctp_sf_do_asconf_ack()
4058 			sctp_init_cause(abort, SCTP_ERROR_ASCONF_ACK, 0);  in sctp_sf_do_asconf_ack()
4060 					SCTP_CHUNK(abort));  in sctp_sf_do_asconf_ack()
4062 		/* We are going to ABORT, so we might as well stop  in sctp_sf_do_asconf_ack()
4087 		abort = sctp_make_abort(asoc, asconf_ack,  in sctp_sf_do_asconf_ack()
4089 		if (abort) {  in sctp_sf_do_asconf_ack()
4090 			sctp_init_cause(abort, SCTP_ERROR_RSRC_LOW, 0);  in sctp_sf_do_asconf_ack()
4092 					SCTP_CHUNK(abort));  in sctp_sf_do_asconf_ack()
4094 		/* We are going to ABORT, so we might as well stop  in sctp_sf_do_asconf_ack()
4623  * 2) If the OOTB packet contains an ABORT chunk, the receiver MUST
4697 	struct sctp_chunk *abort = NULL;  in sctp_sf_abort_violation()  local
4705 	 * This means that if we only want to abort associations  in sctp_sf_abort_violation()
4706 	 * in an authenticated way (i.e AUTH+ABORT), then we  in sctp_sf_abort_violation()
4713 	/* Make the abort chunk. */  in sctp_sf_abort_violation()
4714 	abort = sctp_make_abort_violation(asoc, chunk, payload, paylen);  in sctp_sf_abort_violation()
4715 	if (!abort)  in sctp_sf_abort_violation()
4726 				abort->chunk_hdr->flags |= SCTP_CHUNK_FLAG_T;  in sctp_sf_abort_violation()
4736 		sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort));  in sctp_sf_abort_violation()
4759 		if (sctp_test_T_bit(abort))  in sctp_sf_abort_violation()
4762 		abort->skb->sk = ep->base.sk;  in sctp_sf_abort_violation()
4764 		sctp_packet_append_chunk(packet, abort);  in sctp_sf_abort_violation()
4779 	sctp_chunk_free(abort);  in sctp_sf_abort_violation()
4790  * We inform the other end by sending an ABORT with a Protocol Violation
4801  * Generate an  ABORT chunk and terminate the association.
4832 	struct sctp_chunk *abort = NULL;  in sctp_sf_violation_paramlen()  local
4838 	/* Make the abort chunk. */  in sctp_sf_violation_paramlen()
4839 	abort = sctp_make_violation_paramlen(asoc, chunk, param);  in sctp_sf_violation_paramlen()
4840 	if (!abort)  in sctp_sf_violation_paramlen()
4843 	sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort));  in sctp_sf_violation_paramlen()
4863  * We inform the other end by sending an ABORT with a Protocol Violation
5144  * Process the ABORT primitive.
5147  * C) Abort
5149  * Format: Abort(association id [, cause code])
5153  * will be discarded and an ABORT chunk is sent to the peer.  A success code
5155  * attempting to abort the association results in a failure, an error
5164  *  o cause code - reason of the abort to be passed to the peer
5178 	/* From 9.1 Abort of an Association  in sctp_sf_do_9_1_prm_abort()
5179 	 * Upon receipt of the ABORT primitive from its upper  in sctp_sf_do_9_1_prm_abort()
5186 	struct sctp_chunk *abort = arg;  in sctp_sf_do_9_1_prm_abort()  local
5188 	if (abort)  in sctp_sf_do_9_1_prm_abort()
5189 		sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort));  in sctp_sf_do_9_1_prm_abort()
5191 	/* Even if we can't send the ABORT due to low memory delete the  in sctp_sf_do_9_1_prm_abort()
5307  * state table when someone issues an abort while in COOKIE_WAIT state.
5320 	struct sctp_chunk *abort = arg;  in sctp_sf_cookie_wait_prm_abort()  local
5326 	if (abort)  in sctp_sf_cookie_wait_prm_abort()
5327 		sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort));  in sctp_sf_cookie_wait_prm_abort()
5334 	/* Even if we can't send the ABORT due to low memory delete the  in sctp_sf_cookie_wait_prm_abort()
5356  * state table when someone issues an abort while in COOKIE_ECHOED state.
5382  * state table when someone issues an abort while in SHUTDOWN-PENDING state.
5409  * state table when someone issues an abort while in SHUTDOWN-SENT state.
5440  * state table when someone issues an abort while in COOKIE_ECHOED state.
5889  *     endpoint MUST abort the initialization process and report the
5954  *     After that, the endpoint MUST abort the initialization process and
6152  * At the expiration of this timer the sender SHOULD abort the association
6153  * by sending an ABORT chunk.
6314 /* Create an ABORT packet to be sent as a response, with the specified
6325 	struct sctp_chunk *abort;  in sctp_abort_pkt_new()  local
6330 		/* Make an ABORT.  in sctp_abort_pkt_new()
6333 		abort = sctp_make_abort(asoc, chunk, paylen);  in sctp_abort_pkt_new()
6334 		if (!abort) {  in sctp_abort_pkt_new()
6340 		if (sctp_test_T_bit(abort))  in sctp_abort_pkt_new()
6346 		sctp_addto_chunk(abort, paylen, payload);  in sctp_abort_pkt_new()
6349 		abort->skb->sk = ep->base.sk;  in sctp_abort_pkt_new()
6351 		sctp_packet_append_chunk(packet, abort);  in sctp_abort_pkt_new()
6609 		/* We are going to ABORT, so we might as well stop  in sctp_eat_data()