51 					struct net *net,
60 					struct net *net,
63 static void sctp_send_stale_cookie_err(struct net *net,
70 					struct net *net,
77 					struct net *net,
84 					struct net *net,
93 					struct net *net,
100 					struct net *net,
109 					struct net *net,
117 					struct net *net,
125 					struct net *net,
133 					struct net *net,
145 					struct net *net,
153 __sctp_sf_do_9_2_reshutack(struct net *net, const struct sctp_endpoint *ep,
224 enum sctp_disposition sctp_sf_do_4_C(struct net *net,  in sctp_sf_do_4_C()  argument
234 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_4_C()
242 		return sctp_sf_violation_chunk(net, ep, asoc, type, arg, commands);  in sctp_sf_do_4_C()
246 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_do_4_C()
279 	SCTP_INC_STATS(net, SCTP_MIB_SHUTDOWNS);  in sctp_sf_do_4_C()
280 	SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);  in sctp_sf_do_4_C()
309 enum sctp_disposition sctp_sf_do_5_1B_init(struct net *net,  in sctp_sf_do_5_1B_init()  argument
325 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_1B_init()
337 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_1B_init()
345 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_1B_init()
350 	if (ep == sctp_sk(net->sctp.ctl_sock)->ep) {  in sctp_sf_do_5_1B_init()
351 		SCTP_INC_STATS(net, SCTP_MIB_OUTOFBLUES);  in sctp_sf_do_5_1B_init()
352 		return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_1B_init()
359 		return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_1B_init()
368 		return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_1B_init()
372 	if (!sctp_verify_init(net, ep, asoc, chunk->chunk_hdr->type,  in sctp_sf_do_5_1B_init()
379 			packet = sctp_abort_pkt_new(net, ep, asoc, arg,  in sctp_sf_do_5_1B_init()
390 				SCTP_INC_STATS(net, SCTP_MIB_OUTCTRLCHUNKS);  in sctp_sf_do_5_1B_init()
396 			return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg,  in sctp_sf_do_5_1B_init()
508 enum sctp_disposition sctp_sf_do_5_1C_ack(struct net *net,  in sctp_sf_do_5_1C_ack()  argument
521 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_1C_ack()
528 		return sctp_sf_violation_chunk(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_1C_ack()
532 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_do_5_1C_ack()
539 	if (!sctp_verify_init(net, ep, asoc, chunk->chunk_hdr->type,  in sctp_sf_do_5_1C_ack()
551 			packet = sctp_abort_pkt_new(net, ep, asoc, arg,  in sctp_sf_do_5_1C_ack()
562 				SCTP_INC_STATS(net, SCTP_MIB_OUTCTRLCHUNKS);  in sctp_sf_do_5_1C_ack()
579 			return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_1C_ack()
581 		SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);  in sctp_sf_do_5_1C_ack()
582 		return sctp_stop_t1_and_abort(net, commands, error, ECONNREFUSED,  in sctp_sf_do_5_1C_ack()
627 static bool sctp_auth_chunk_verify(struct net *net, struct sctp_chunk *chunk,  in sctp_auth_chunk_verify()  argument
643 	if (!net->sctp.auth_enable || !asoc->peer.auth_capable)  in sctp_auth_chunk_verify()
690 enum sctp_disposition sctp_sf_do_5_1D_ce(struct net *net,  in sctp_sf_do_5_1D_ce()  argument
707 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_1D_ce()
712 	if (ep == sctp_sk(net->sctp.ctl_sock)->ep) {  in sctp_sf_do_5_1D_ce()
713 		SCTP_INC_STATS(net, SCTP_MIB_OUTOFBLUES);  in sctp_sf_do_5_1D_ce()
714 		return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_1D_ce()
723 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_do_5_1D_ce()
733 		return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_1D_ce()
766 			sctp_send_stale_cookie_err(net, ep, asoc, chunk, commands,  in sctp_sf_do_5_1D_ce()
768 			return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_1D_ce()
772 			return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_1D_ce()
800 	if (!sctp_auth_chunk_verify(net, chunk, new_asoc)) {  in sctp_sf_do_5_1D_ce()
802 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_1D_ce()
850 	SCTP_INC_STATS(net, SCTP_MIB_CURRESTAB);  in sctp_sf_do_5_1D_ce()
851 	SCTP_INC_STATS(net, SCTP_MIB_PASSIVEESTABS);  in sctp_sf_do_5_1D_ce()
908 enum sctp_disposition sctp_sf_do_5_1E_ca(struct net *net,  in sctp_sf_do_5_1E_ca()  argument
919 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_1E_ca()
925 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_do_5_1E_ca()
949 	SCTP_INC_STATS(net, SCTP_MIB_CURRESTAB);  in sctp_sf_do_5_1E_ca()
950 	SCTP_INC_STATS(net, SCTP_MIB_ACTIVEESTABS);  in sctp_sf_do_5_1E_ca()
1025 enum sctp_disposition sctp_sf_sendbeat_8_3(struct net *net,  in sctp_sf_sendbeat_8_3()  argument
1040 		SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);  in sctp_sf_sendbeat_8_3()
1041 		SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);  in sctp_sf_sendbeat_8_3()
1073 enum sctp_disposition sctp_sf_send_reconf(struct net *net,  in sctp_sf_send_reconf()  argument
1088 		SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);  in sctp_sf_send_reconf()
1089 		SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);  in sctp_sf_send_reconf()
1125 enum sctp_disposition sctp_sf_beat_8_3(struct net *net,  in sctp_sf_beat_8_3()  argument
1137 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_beat_8_3()
1142 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_beat_8_3()
1154 		return sctp_sf_violation_paramlen(net, ep, asoc, type, arg,  in sctp_sf_beat_8_3()
1199 enum sctp_disposition sctp_sf_backbeat_8_3(struct net *net,  in sctp_sf_backbeat_8_3()  argument
1213 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_backbeat_8_3()
1218 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_backbeat_8_3()
1274 static int sctp_sf_send_restart_abort(struct net *net, union sctp_addr *ssa,  in sctp_sf_send_restart_abort()  argument
1300 	ep = sctp_sk(net->sctp.ctl_sock)->ep;  in sctp_sf_send_restart_abort()
1305 	pkt = sctp_abort_pkt_new(net, ep, NULL, init, errhdr, len);  in sctp_sf_send_restart_abort()
1311 	SCTP_INC_STATS(net, SCTP_MIB_OUTCTRLCHUNKS);  in sctp_sf_send_restart_abort()
1343 	struct net *net = new_asoc->base.net;  in sctp_sf_check_restart_addrs()  local
1362 			sctp_sf_send_restart_abort(net, &new_addr->ipaddr, init,  in sctp_sf_check_restart_addrs()
1462 					struct net *net,  in sctp_sf_do_unexpected_init()  argument
1479 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_unexpected_init()
1491 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_unexpected_init()
1495 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_unexpected_init()
1501 		return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg, commands);  in sctp_sf_do_unexpected_init()
1511 	if (!sctp_verify_init(net, ep, asoc, chunk->chunk_hdr->type,  in sctp_sf_do_unexpected_init()
1518 			packet = sctp_abort_pkt_new(net, ep, asoc, arg,  in sctp_sf_do_unexpected_init()
1527 				SCTP_INC_STATS(net, SCTP_MIB_OUTCTRLCHUNKS);  in sctp_sf_do_unexpected_init()
1534 			return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg,  in sctp_sf_do_unexpected_init()
1677 					struct net *net,  in sctp_sf_do_5_2_1_siminit()  argument
1687 	return sctp_sf_do_unexpected_init(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_2_1_siminit()
1732 					struct net *net,  in sctp_sf_do_5_2_2_dupinit()  argument
1742 	return sctp_sf_do_unexpected_init(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_2_2_dupinit()
1756 					struct net *net,  in sctp_sf_do_5_2_3_initack()  argument
1766 	if (ep == sctp_sk(net->sctp.ctl_sock)->ep)  in sctp_sf_do_5_2_3_initack()
1767 		return sctp_sf_ootb(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_2_3_initack()
1769 		return sctp_sf_discard_chunk(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_2_3_initack()
1778 					struct net *net,  in sctp_sf_do_dupcook_a()  argument
1803 	if (!sctp_auth_chunk_verify(net, chunk, new_asoc))  in sctp_sf_do_dupcook_a()
1820 		disposition = __sctp_sf_do_9_2_reshutack(net, ep, asoc,  in sctp_sf_do_dupcook_a()
1863 		SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);  in sctp_sf_do_dupcook_a()
1864 		SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);  in sctp_sf_do_dupcook_a()
1890 		return sctp_sf_do_9_2_start_shutdown(net, ep, asoc,  in sctp_sf_do_dupcook_a()
1915 					struct net *net,  in sctp_sf_do_dupcook_b()  argument
1936 	if (!sctp_auth_chunk_verify(net, chunk, new_asoc))  in sctp_sf_do_dupcook_b()
1944 		SCTP_INC_STATS(net, SCTP_MIB_CURRESTAB);  in sctp_sf_do_dupcook_b()
1997 					struct net *net,  in sctp_sf_do_dupcook_c()  argument
2020 					struct net *net,  in sctp_sf_do_dupcook_d()  argument
2037 	if (!sctp_auth_chunk_verify(net, chunk, asoc))  in sctp_sf_do_dupcook_d()
2046 		SCTP_INC_STATS(net, SCTP_MIB_CURRESTAB);  in sctp_sf_do_dupcook_d()
2132 					struct net *net,  in sctp_sf_do_5_2_4_dupcook()  argument
2154 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_2_4_dupcook()
2188 			sctp_send_stale_cookie_err(net, ep, asoc, chunk, commands,  in sctp_sf_do_5_2_4_dupcook()
2190 			return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_2_4_dupcook()
2193 			return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_2_4_dupcook()
2201 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_2_4_dupcook()
2214 		retval = sctp_sf_do_dupcook_a(net, ep, asoc, chunk, commands,  in sctp_sf_do_5_2_4_dupcook()
2219 		retval = sctp_sf_do_dupcook_b(net, ep, asoc, chunk, commands,  in sctp_sf_do_5_2_4_dupcook()
2224 		retval = sctp_sf_do_dupcook_c(net, ep, asoc, chunk, commands,  in sctp_sf_do_5_2_4_dupcook()
2229 		retval = sctp_sf_do_dupcook_d(net, ep, asoc, chunk, commands,  in sctp_sf_do_5_2_4_dupcook()
2234 		retval = sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_2_4_dupcook()
2260 					struct net *net,  in sctp_sf_shutdown_pending_abort()  argument
2270 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_shutdown_pending_abort()
2283 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_shutdown_pending_abort()
2292 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_shutdown_pending_abort()
2295 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_shutdown_pending_abort()
2297 	return __sctp_sf_do_9_1_abort(net, ep, asoc, type, arg, commands);  in sctp_sf_shutdown_pending_abort()
2306 					struct net *net,  in sctp_sf_shutdown_sent_abort()  argument
2316 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_shutdown_sent_abort()
2329 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_shutdown_sent_abort()
2338 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_shutdown_sent_abort()
2341 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_shutdown_sent_abort()
2351 	return __sctp_sf_do_9_1_abort(net, ep, asoc, type, arg, commands);  in sctp_sf_shutdown_sent_abort()
2360 					struct net *net,  in sctp_sf_shutdown_ack_sent_abort()  argument
2370 	return sctp_sf_shutdown_sent_abort(net, ep, asoc, type, arg, commands);  in sctp_sf_shutdown_ack_sent_abort()
2388 					struct net *net,  in sctp_sf_cookie_echoed_err()  argument
2399 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_cookie_echoed_err()
2405 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_cookie_echoed_err()
2415 			return sctp_sf_do_5_2_6_stale(net, ep, asoc, type,  in sctp_sf_cookie_echoed_err()
2424 	return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_cookie_echoed_err()
2453 					struct net *net,  in sctp_sf_do_5_2_6_stale()  argument
2576 					struct net *net,  in sctp_sf_do_9_1_abort()  argument
2586 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_9_1_abort()
2599 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_9_1_abort()
2608 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_9_1_abort()
2611 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_9_1_abort()
2613 	return __sctp_sf_do_9_1_abort(net, ep, asoc, type, arg, commands);  in sctp_sf_do_9_1_abort()
2617 					struct net *net,  in __sctp_sf_do_9_1_abort()  argument
2636 	SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);  in __sctp_sf_do_9_1_abort()
2637 	SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);  in __sctp_sf_do_9_1_abort()
2648 					struct net *net,  in sctp_sf_cookie_wait_abort()  argument
2660 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_cookie_wait_abort()
2673 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_cookie_wait_abort()
2680 	return sctp_stop_t1_and_abort(net, commands, error, ECONNREFUSED, asoc,  in sctp_sf_cookie_wait_abort()
2688 					struct net *net,  in sctp_sf_cookie_wait_icmp_abort()  argument
2695 	return sctp_stop_t1_and_abort(net, commands, SCTP_ERROR_NO_ERROR,  in sctp_sf_cookie_wait_icmp_abort()
2704 					struct net *net,  in sctp_sf_cookie_echoed_abort()  argument
2714 	return sctp_sf_cookie_wait_abort(net, ep, asoc, type, arg, commands);  in sctp_sf_cookie_echoed_abort()
2723 					struct net *net,  in sctp_stop_t1_and_abort()  argument
2733 	SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);  in sctp_stop_t1_and_abort()
2778 					struct net *net,  in sctp_sf_do_9_2_shutdown()  argument
2792 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_9_2_shutdown()
2796 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_do_9_2_shutdown()
2817 		return sctp_sf_violation_ctsn(net, ep, asoc, type, arg, commands);  in sctp_sf_do_9_2_shutdown()
2841 		disposition = sctp_sf_do_9_2_shutdown_ack(net, ep, asoc, type,  in sctp_sf_do_9_2_shutdown()
2868 					struct net *net,  in sctp_sf_do_9_2_shut_ctsn()  argument
2880 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_9_2_shut_ctsn()
2884 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_do_9_2_shut_ctsn()
2902 		return sctp_sf_violation_ctsn(net, ep, asoc, type, arg, commands);  in sctp_sf_do_9_2_shut_ctsn()
2922 __sctp_sf_do_9_2_reshutack(struct net *net, const struct sctp_endpoint *ep,  in __sctp_sf_do_9_2_reshutack()  argument
2932 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in __sctp_sf_do_9_2_reshutack()
2960 sctp_sf_do_9_2_reshutack(struct net *net, const struct sctp_endpoint *ep,  in sctp_sf_do_9_2_reshutack()  argument
2968 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_9_2_reshutack()
2971 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_9_2_reshutack()
2974 		return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg, commands);  in sctp_sf_do_9_2_reshutack()
2976 	return __sctp_sf_do_9_2_reshutack(net, ep, asoc, type, arg, commands);  in sctp_sf_do_9_2_reshutack()
3004 enum sctp_disposition sctp_sf_do_ecn_cwr(struct net *net,  in sctp_sf_do_ecn_cwr()  argument
3016 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_ecn_cwr()
3019 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_do_ecn_cwr()
3060 enum sctp_disposition sctp_sf_do_ecne(struct net *net,  in sctp_sf_do_ecne()  argument
3070 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_ecne()
3073 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_do_ecne()
3116 enum sctp_disposition sctp_sf_eat_data_6_2(struct net *net,  in sctp_sf_eat_data_6_2()  argument
3130 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_eat_data_6_2()
3134 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_eat_data_6_2()
3143 		SCTP_INC_STATS(net, SCTP_MIB_IN_DATA_CHUNK_DISCARDS);  in sctp_sf_eat_data_6_2()
3147 		SCTP_INC_STATS(net, SCTP_MIB_IN_DATA_CHUNK_DISCARDS);  in sctp_sf_eat_data_6_2()
3152 		return sctp_sf_abort_violation(net, ep, asoc, chunk, commands,  in sctp_sf_eat_data_6_2()
3237 					struct net *net,  in sctp_sf_eat_data_fast_4_4()  argument
3250 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_eat_data_fast_4_4()
3254 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_eat_data_fast_4_4()
3268 		return sctp_sf_abort_violation(net, ep, asoc, chunk, commands,  in sctp_sf_eat_data_fast_4_4()
3328 enum sctp_disposition sctp_sf_eat_sack_6_2(struct net *net,  in sctp_sf_eat_sack_6_2()  argument
3340 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_eat_sack_6_2()
3344 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_eat_sack_6_2()
3351 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_eat_sack_6_2()
3360 		return sctp_sf_violation_ctsn(net, ep, asoc, type, arg, commands);  in sctp_sf_eat_sack_6_2()
3405 					struct net *net,  in sctp_sf_tabort_8_4_8()  argument
3416 	packet = sctp_ootb_pkt_new(net, asoc, chunk);  in sctp_sf_tabort_8_4_8()
3441 	SCTP_INC_STATS(net, SCTP_MIB_OUTCTRLCHUNKS);  in sctp_sf_tabort_8_4_8()
3443 	sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_tabort_8_4_8()
3455 enum sctp_disposition sctp_sf_operr_notify(struct net *net,  in sctp_sf_operr_notify()  argument
3466 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_operr_notify()
3470 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_operr_notify()
3474 		return sctp_sf_violation_paramlen(net, ep, asoc, type, arg,  in sctp_sf_operr_notify()
3493 enum sctp_disposition sctp_sf_do_9_2_final(struct net *net,  in sctp_sf_do_9_2_final()  argument
3505 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_9_2_final()
3509 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_do_9_2_final()
3542 	SCTP_INC_STATS(net, SCTP_MIB_SHUTDOWNS);  in sctp_sf_do_9_2_final()
3543 	SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);  in sctp_sf_do_9_2_final()
3576 enum sctp_disposition sctp_sf_ootb(struct net *net,  in sctp_sf_ootb()  argument
3590 	SCTP_INC_STATS(net, SCTP_MIB_OUTOFBLUES);  in sctp_sf_ootb()
3599 			return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_ootb()
3605 			return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_ootb()
3620 			return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_ootb()
3643 		return sctp_sf_shut_8_4_5(net, ep, asoc, type, arg, commands);  in sctp_sf_ootb()
3645 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_ootb()
3647 		return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg, commands);  in sctp_sf_ootb()
3672 					struct net *net,  in sctp_sf_shut_8_4_5()  argument
3683 	packet = sctp_ootb_pkt_new(net, asoc, chunk);  in sctp_sf_shut_8_4_5()
3708 	SCTP_INC_STATS(net, SCTP_MIB_OUTCTRLCHUNKS);  in sctp_sf_shut_8_4_5()
3714 	return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_shut_8_4_5()
3728 enum sctp_disposition sctp_sf_do_8_5_1_E_sa(struct net *net,  in sctp_sf_do_8_5_1_E_sa()  argument
3742 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_do_8_5_1_E_sa()
3750 	SCTP_INC_STATS(net, SCTP_MIB_OUTOFBLUES);  in sctp_sf_do_8_5_1_E_sa()
3752 	return sctp_sf_shut_8_4_5(net, ep, NULL, type, arg, commands);  in sctp_sf_do_8_5_1_E_sa()
3756 enum sctp_disposition sctp_sf_do_asconf(struct net *net,  in sctp_sf_do_asconf()  argument
3772 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_asconf()
3777 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_do_asconf()
3787 	    (!net->sctp.addip_noauth && !chunk->auth))  in sctp_sf_do_asconf()
3788 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_asconf()
3795 		return sctp_sf_violation_paramlen(net, ep, asoc, type, arg,  in sctp_sf_do_asconf()
3870 					struct net *net,  in sctp_send_next_asconf()  argument
3889 	return sctp_sf_do_prm_asconf(net, ep, asoc, type, asconf, commands);  in sctp_send_next_asconf()
3897 enum sctp_disposition sctp_sf_do_asconf_ack(struct net *net,  in sctp_sf_do_asconf_ack()  argument
3914 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_asconf_ack()
3920 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_do_asconf_ack()
3930 	    (!net->sctp.addip_noauth && !asconf_ack->auth))  in sctp_sf_do_asconf_ack()
3931 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_asconf_ack()
3938 		return sctp_sf_violation_paramlen(net, ep, asoc, type, arg,  in sctp_sf_do_asconf_ack()
3973 		SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);  in sctp_sf_do_asconf_ack()
3974 		SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);  in sctp_sf_do_asconf_ack()
3984 			return sctp_send_next_asconf(net, ep,  in sctp_sf_do_asconf_ack()
4003 		SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);  in sctp_sf_do_asconf_ack()
4004 		SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);  in sctp_sf_do_asconf_ack()
4012 enum sctp_disposition sctp_sf_do_reconf(struct net *net,  in sctp_sf_do_reconf()  argument
4027 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_reconf()
4032 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_do_reconf()
4036 		return sctp_sf_violation_paramlen(net, ep, asoc, type, arg,  in sctp_sf_do_reconf()
4089 enum sctp_disposition sctp_sf_eat_fwd_tsn(struct net *net,  in sctp_sf_eat_fwd_tsn()  argument
4104 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_eat_fwd_tsn()
4108 		return sctp_sf_unk_chunk(net, ep, asoc, type, arg, commands);  in sctp_sf_eat_fwd_tsn()
4112 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_eat_fwd_tsn()
4156 					struct net *net,  in sctp_sf_eat_fwd_tsn_fast()  argument
4171 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_eat_fwd_tsn_fast()
4175 		return sctp_sf_unk_chunk(net, ep, asoc, type, arg, commands);  in sctp_sf_eat_fwd_tsn_fast()
4179 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_eat_fwd_tsn_fast()
4318 enum sctp_disposition sctp_sf_eat_auth(struct net *net,  in sctp_sf_eat_auth()  argument
4331 		return sctp_sf_unk_chunk(net, ep, asoc, type, arg, commands);  in sctp_sf_eat_auth()
4336 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_eat_auth()
4341 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_eat_auth()
4362 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_eat_auth()
4365 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_eat_auth()
4414 enum sctp_disposition sctp_sf_unk_chunk(struct net *net,  in sctp_sf_unk_chunk()  argument
4428 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_unk_chunk()
4435 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_unk_chunk()
4441 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_unk_chunk()
4455 		sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_unk_chunk()
4494 enum sctp_disposition sctp_sf_discard_chunk(struct net *net,  in sctp_sf_discard_chunk()  argument
4504 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_discard_chunk()
4511 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_discard_chunk()
4537 enum sctp_disposition sctp_sf_pdiscard(struct net *net,  in sctp_sf_pdiscard()  argument
4543 	SCTP_INC_STATS(net, SCTP_MIB_IN_PKT_DISCARDS);  in sctp_sf_pdiscard()
4564 enum sctp_disposition sctp_sf_violation(struct net *net,  in sctp_sf_violation()  argument
4574 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_violation()
4578 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_violation()
4588 					struct net *net,  in sctp_sf_abort_violation()  argument
4638 		SCTP_INC_STATS(net, SCTP_MIB_OUTCTRLCHUNKS);  in sctp_sf_abort_violation()
4652 			SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);  in sctp_sf_abort_violation()
4655 		packet = sctp_ootb_pkt_new(net, asoc, chunk);  in sctp_sf_abort_violation()
4670 		SCTP_INC_STATS(net, SCTP_MIB_OUTCTRLCHUNKS);  in sctp_sf_abort_violation()
4673 	SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);  in sctp_sf_abort_violation()
4676 	sctp_sf_pdiscard(net, ep, asoc, SCTP_ST_CHUNK(0), arg, commands);  in sctp_sf_abort_violation()
4705 					struct net *net,  in sctp_sf_violation_chunklen()  argument
4714 	return sctp_sf_abort_violation(net, ep, asoc, arg, commands, err_str,  in sctp_sf_violation_chunklen()
4725 					struct net *net,  in sctp_sf_violation_paramlen()  argument
4745 	SCTP_INC_STATS(net, SCTP_MIB_OUTCTRLCHUNKS);  in sctp_sf_violation_paramlen()
4751 	SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);  in sctp_sf_violation_paramlen()
4752 	SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);  in sctp_sf_violation_paramlen()
4755 	sctp_sf_pdiscard(net, ep, asoc, SCTP_ST_CHUNK(0), arg, commands);  in sctp_sf_violation_paramlen()
4768 					struct net *net,  in sctp_sf_violation_ctsn()  argument
4777 	return sctp_sf_abort_violation(net, ep, asoc, arg, commands, err_str,  in sctp_sf_violation_ctsn()
4788 					struct net *net,  in sctp_sf_violation_chunk()  argument
4798 		return sctp_sf_violation(net, ep, asoc, type, arg, commands);  in sctp_sf_violation_chunk()
4800 	return sctp_sf_abort_violation(net, ep, asoc, arg, commands, err_str,  in sctp_sf_violation_chunk()
4863 enum sctp_disposition sctp_sf_do_prm_asoc(struct net *net,  in sctp_sf_do_prm_asoc()  argument
4975 enum sctp_disposition sctp_sf_do_prm_send(struct net *net,  in sctp_sf_do_prm_send()  argument
5015 					struct net *net,  in sctp_sf_do_9_2_prm_shutdown()  argument
5037 		disposition = sctp_sf_do_9_2_start_shutdown(net, ep, asoc, type,  in sctp_sf_do_9_2_prm_shutdown()
5072 					struct net *net,  in sctp_sf_do_9_1_prm_abort()  argument
5102 	SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);  in sctp_sf_do_9_1_prm_abort()
5103 	SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);  in sctp_sf_do_9_1_prm_abort()
5109 enum sctp_disposition sctp_sf_error_closed(struct net *net,  in sctp_sf_error_closed()  argument
5124 					struct net *net,  in sctp_sf_error_shutdown()  argument
5151 					struct net *net,  in sctp_sf_cookie_wait_prm_shutdown()  argument
5164 	SCTP_INC_STATS(net, SCTP_MIB_SHUTDOWNS);  in sctp_sf_cookie_wait_prm_shutdown()
5186 					struct net *net,  in sctp_sf_cookie_echoed_prm_shutdown()  argument
5196 	return sctp_sf_cookie_wait_prm_shutdown(net, ep, asoc, type, arg, commands);  in sctp_sf_cookie_echoed_prm_shutdown()
5214 					struct net *net,  in sctp_sf_cookie_wait_prm_abort()  argument
5233 	SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);  in sctp_sf_cookie_wait_prm_abort()
5263 					struct net *net,  in sctp_sf_cookie_echoed_prm_abort()  argument
5273 	return sctp_sf_cookie_wait_prm_abort(net, ep, asoc, type, arg, commands);  in sctp_sf_cookie_echoed_prm_abort()
5289 					struct net *net,  in sctp_sf_shutdown_pending_prm_abort()  argument
5300 	return sctp_sf_do_9_1_prm_abort(net, ep, asoc, type, arg, commands);  in sctp_sf_shutdown_pending_prm_abort()
5316 					struct net *net,  in sctp_sf_shutdown_sent_prm_abort()  argument
5331 	return sctp_sf_do_9_1_prm_abort(net, ep, asoc, type, arg, commands);  in sctp_sf_shutdown_sent_prm_abort()
5347 					struct net *net,  in sctp_sf_shutdown_ack_sent_prm_abort()  argument
5357 	return sctp_sf_shutdown_sent_prm_abort(net, ep, asoc, type, arg, commands);  in sctp_sf_shutdown_ack_sent_prm_abort()
5383 					struct net *net,  in sctp_sf_do_prm_requestheartbeat()  argument
5415 enum sctp_disposition sctp_sf_do_prm_asconf(struct net *net,  in sctp_sf_do_prm_asconf()  argument
5432 enum sctp_disposition sctp_sf_do_prm_reconf(struct net *net,  in sctp_sf_do_prm_reconf()  argument
5451 					struct net *net,  in sctp_sf_ignore_primitive()  argument
5475 					struct net *net,  in sctp_sf_do_no_pending_tsn()  argument
5507 					struct net *net,  in sctp_sf_do_9_2_start_shutdown()  argument
5577 					struct net *net,  in sctp_sf_do_9_2_shutdown_ack()  argument
5596 			return sctp_sf_pdiscard(net, ep, asoc, type, arg,  in sctp_sf_do_9_2_shutdown_ack()
5602 			return sctp_sf_violation_chunklen(net, ep, asoc, type,  in sctp_sf_do_9_2_shutdown_ack()
5650 enum sctp_disposition sctp_sf_ignore_other(struct net *net,  in sctp_sf_ignore_other()  argument
5678 enum sctp_disposition sctp_sf_do_6_3_3_rtx(struct net *net,  in sctp_sf_do_6_3_3_rtx()  argument
5687 	SCTP_INC_STATS(net, SCTP_MIB_T3_RTX_EXPIREDS);  in sctp_sf_do_6_3_3_rtx()
5709 			SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);  in sctp_sf_do_6_3_3_rtx()
5710 			SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);  in sctp_sf_do_6_3_3_rtx()
5766 enum sctp_disposition sctp_sf_do_6_2_sack(struct net *net,  in sctp_sf_do_6_2_sack()  argument
5773 	SCTP_INC_STATS(net, SCTP_MIB_DELAY_SACK_EXPIREDS);  in sctp_sf_do_6_2_sack()
5798 					struct net *net,  in sctp_sf_t1_init_timer_expire()  argument
5811 	SCTP_INC_STATS(net, SCTP_MIB_T1_INIT_EXPIREDS);  in sctp_sf_t1_init_timer_expire()
5863 					struct net *net,  in sctp_sf_t1_cookie_timer_expire()  argument
5875 	SCTP_INC_STATS(net, SCTP_MIB_T1_COOKIE_EXPIREDS);  in sctp_sf_t1_cookie_timer_expire()
5914 					struct net *net,  in sctp_sf_t2_timer_expire()  argument
5925 	SCTP_INC_STATS(net, SCTP_MIB_T2_SHUTDOWN_EXPIREDS);  in sctp_sf_t2_timer_expire()
5935 		SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);  in sctp_sf_t2_timer_expire()
5936 		SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);  in sctp_sf_t2_timer_expire()
5985 					struct net *net,  in sctp_sf_t4_timer_expire()  argument
5995 	SCTP_INC_STATS(net, SCTP_MIB_T4_RTO_EXPIREDS);  in sctp_sf_t4_timer_expire()
6020 		SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);  in sctp_sf_t4_timer_expire()
6021 		SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);  in sctp_sf_t4_timer_expire()
6057 					struct net *net,  in sctp_sf_t5_timer_expire()  argument
6068 	SCTP_INC_STATS(net, SCTP_MIB_T5_SHUTDOWN_GUARD_EXPIREDS);  in sctp_sf_t5_timer_expire()
6080 	SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);  in sctp_sf_t5_timer_expire()
6081 	SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);  in sctp_sf_t5_timer_expire()
6094 					struct net *net,  in sctp_sf_autoclose_timer_expire()  argument
6103 	SCTP_INC_STATS(net, SCTP_MIB_AUTOCLOSE_EXPIREDS);  in sctp_sf_autoclose_timer_expire()
6118 		disposition = sctp_sf_do_9_2_start_shutdown(net, ep, asoc, type,  in sctp_sf_autoclose_timer_expire()
6137 enum sctp_disposition sctp_sf_not_impl(struct net *net,  in sctp_sf_not_impl()  argument
6154 enum sctp_disposition sctp_sf_bug(struct net *net,  in sctp_sf_bug()  argument
6174 enum sctp_disposition sctp_sf_timer_ignore(struct net *net,  in sctp_sf_timer_ignore()  argument
6219 					struct net *net,  in sctp_abort_pkt_new()  argument
6228 	packet = sctp_ootb_pkt_new(net, asoc, chunk);  in sctp_abort_pkt_new()
6261 					struct net *net,  in sctp_ootb_pkt_new()  argument
6315 	transport = sctp_transport_new(net, sctp_source(chunk), GFP_ATOMIC);  in sctp_ootb_pkt_new()
6323 			     sctp_sk(net->sctp.ctl_sock));  in sctp_ootb_pkt_new()
6342 static void sctp_send_stale_cookie_err(struct net *net,  in sctp_send_stale_cookie_err()  argument
6352 		packet = sctp_ootb_pkt_new(net, asoc, chunk);  in sctp_send_stale_cookie_err()
6365 			SCTP_INC_STATS(net, SCTP_MIB_OUTCTRLCHUNKS);  in sctp_send_stale_cookie_err()
6379 	struct net *net = sock_net(sk);  in sctp_eat_data()  local
6516 		SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);  in sctp_eat_data()
6517 		SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);  in sctp_eat_data()
6527 		SCTP_INC_STATS(net, SCTP_MIB_INUNORDERCHUNKS);  in sctp_eat_data()
6531 		SCTP_INC_STATS(net, SCTP_MIB_INORDERCHUNKS);  in sctp_eat_data()