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,
91 					struct net *net,
100 					struct net *net,
107 					struct net *net,
116 					struct net *net,
124 					struct net *net,
132 					struct net *net,
140 					struct net *net,
152 					struct net *net,
160 __sctp_sf_do_9_2_reshutack(struct net *net, const struct sctp_endpoint *ep,
231 enum sctp_disposition sctp_sf_do_4_C(struct net *net,  in sctp_sf_do_4_C()  argument
241 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_4_C()
249 		return sctp_sf_violation_chunk(net, ep, asoc, type, arg, commands);  in sctp_sf_do_4_C()
253 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_do_4_C()
286 	SCTP_INC_STATS(net, SCTP_MIB_SHUTDOWNS);  in sctp_sf_do_4_C()
287 	SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);  in sctp_sf_do_4_C()
316 enum sctp_disposition sctp_sf_do_5_1B_init(struct net *net,  in sctp_sf_do_5_1B_init()  argument
339 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_1B_init()
347 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_1B_init()
352 	if (ep == sctp_sk(net->sctp.ctl_sock)->ep) {  in sctp_sf_do_5_1B_init()
353 		SCTP_INC_STATS(net, SCTP_MIB_OUTOFBLUES);  in sctp_sf_do_5_1B_init()
354 		return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_1B_init()
361 		return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_1B_init()
370 		return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_1B_init()
374 	if (!sctp_verify_init(net, ep, asoc, chunk->chunk_hdr->type,  in sctp_sf_do_5_1B_init()
381 			packet = sctp_abort_pkt_new(net, ep, asoc, arg,  in sctp_sf_do_5_1B_init()
392 				SCTP_INC_STATS(net, SCTP_MIB_OUTCTRLCHUNKS);  in sctp_sf_do_5_1B_init()
398 			return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg,  in sctp_sf_do_5_1B_init()
416 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_1B_init()
516 enum sctp_disposition sctp_sf_do_5_1C_ack(struct net *net,  in sctp_sf_do_5_1C_ack()  argument
529 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_1C_ack()
536 		return sctp_sf_violation_chunk(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_1C_ack()
540 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_do_5_1C_ack()
547 	if (!sctp_verify_init(net, ep, asoc, chunk->chunk_hdr->type,  in sctp_sf_do_5_1C_ack()
559 			packet = sctp_abort_pkt_new(net, ep, asoc, arg,  in sctp_sf_do_5_1C_ack()
570 				SCTP_INC_STATS(net, SCTP_MIB_OUTCTRLCHUNKS);  in sctp_sf_do_5_1C_ack()
587 			return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_1C_ack()
589 		SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);  in sctp_sf_do_5_1C_ack()
590 		return sctp_stop_t1_and_abort(net, commands, error, ECONNREFUSED,  in sctp_sf_do_5_1C_ack()
635 static bool sctp_auth_chunk_verify(struct net *net, struct sctp_chunk *chunk,  in sctp_auth_chunk_verify()  argument
651 	if (!net->sctp.auth_enable || !asoc->peer.auth_capable)  in sctp_auth_chunk_verify()
698 enum sctp_disposition sctp_sf_do_5_1D_ce(struct net *net,  in sctp_sf_do_5_1D_ce()  argument
715 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_1D_ce()
720 	if (ep == sctp_sk(net->sctp.ctl_sock)->ep) {  in sctp_sf_do_5_1D_ce()
721 		SCTP_INC_STATS(net, SCTP_MIB_OUTOFBLUES);  in sctp_sf_do_5_1D_ce()
722 		return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_1D_ce()
731 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_do_5_1D_ce()
741 		return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_1D_ce()
774 			sctp_send_stale_cookie_err(net, ep, asoc, chunk, commands,  in sctp_sf_do_5_1D_ce()
776 			return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_1D_ce()
780 			return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_1D_ce()
786 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_1D_ce()
811 	if (!sctp_auth_chunk_verify(net, chunk, new_asoc)) {  in sctp_sf_do_5_1D_ce()
813 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_1D_ce()
861 	SCTP_INC_STATS(net, SCTP_MIB_CURRESTAB);  in sctp_sf_do_5_1D_ce()
862 	SCTP_INC_STATS(net, SCTP_MIB_PASSIVEESTABS);  in sctp_sf_do_5_1D_ce()
919 enum sctp_disposition sctp_sf_do_5_1E_ca(struct net *net,  in sctp_sf_do_5_1E_ca()  argument
930 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_1E_ca()
935 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_1E_ca()
941 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_do_5_1E_ca()
962 	SCTP_INC_STATS(net, SCTP_MIB_CURRESTAB);  in sctp_sf_do_5_1E_ca()
963 	SCTP_INC_STATS(net, SCTP_MIB_ACTIVEESTABS);  in sctp_sf_do_5_1E_ca()
1038 enum sctp_disposition sctp_sf_sendbeat_8_3(struct net *net,  in sctp_sf_sendbeat_8_3()  argument
1053 		SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);  in sctp_sf_sendbeat_8_3()
1054 		SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);  in sctp_sf_sendbeat_8_3()
1086 enum sctp_disposition sctp_sf_send_reconf(struct net *net,  in sctp_sf_send_reconf()  argument
1101 		SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);  in sctp_sf_send_reconf()
1102 		SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);  in sctp_sf_send_reconf()
1115 enum sctp_disposition sctp_sf_send_probe(struct net *net,  in sctp_sf_send_probe()  argument
1163 enum sctp_disposition sctp_sf_beat_8_3(struct net *net,  in sctp_sf_beat_8_3()  argument
1175 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_beat_8_3()
1180 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_beat_8_3()
1192 		return sctp_sf_violation_paramlen(net, ep, asoc, type, arg,  in sctp_sf_beat_8_3()
1237 enum sctp_disposition sctp_sf_backbeat_8_3(struct net *net,  in sctp_sf_backbeat_8_3()  argument
1251 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_backbeat_8_3()
1256 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_backbeat_8_3()
1295 		return sctp_sf_send_probe(net, ep, asoc, type, link, commands);  in sctp_sf_backbeat_8_3()
1323 static int sctp_sf_send_restart_abort(struct net *net, union sctp_addr *ssa,  in sctp_sf_send_restart_abort()  argument
1349 	ep = sctp_sk(net->sctp.ctl_sock)->ep;  in sctp_sf_send_restart_abort()
1354 	pkt = sctp_abort_pkt_new(net, ep, NULL, init, errhdr, len);  in sctp_sf_send_restart_abort()
1360 	SCTP_INC_STATS(net, SCTP_MIB_OUTCTRLCHUNKS);  in sctp_sf_send_restart_abort()
1392 	struct net *net = new_asoc->base.net;  in sctp_sf_check_restart_addrs()  local
1411 			sctp_sf_send_restart_abort(net, &new_addr->ipaddr, init,  in sctp_sf_check_restart_addrs()
1511 					struct net *net,  in sctp_sf_do_unexpected_init()  argument
1535 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_unexpected_init()
1539 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_unexpected_init()
1545 		return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg, commands);  in sctp_sf_do_unexpected_init()
1548 		return sctp_sf_new_encap_port(net, ep, asoc, type, arg, commands);  in sctp_sf_do_unexpected_init()
1558 	if (!sctp_verify_init(net, ep, asoc, chunk->chunk_hdr->type,  in sctp_sf_do_unexpected_init()
1565 			packet = sctp_abort_pkt_new(net, ep, asoc, arg,  in sctp_sf_do_unexpected_init()
1574 				SCTP_INC_STATS(net, SCTP_MIB_OUTCTRLCHUNKS);  in sctp_sf_do_unexpected_init()
1581 			return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg,  in sctp_sf_do_unexpected_init()
1600 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_unexpected_init()
1730 					struct net *net,  in sctp_sf_do_5_2_1_siminit()  argument
1740 	return sctp_sf_do_unexpected_init(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_2_1_siminit()
1785 					struct net *net,  in sctp_sf_do_5_2_2_dupinit()  argument
1795 	return sctp_sf_do_unexpected_init(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_2_2_dupinit()
1809 					struct net *net,  in sctp_sf_do_5_2_3_initack()  argument
1819 	if (ep == sctp_sk(net->sctp.ctl_sock)->ep)  in sctp_sf_do_5_2_3_initack()
1820 		return sctp_sf_ootb(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_2_3_initack()
1822 		return sctp_sf_discard_chunk(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_2_3_initack()
1829 	struct net *net = asoc->base.net;  in sctp_sf_do_assoc_update()  local
1843 	SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);  in sctp_sf_do_assoc_update()
1844 	SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);  in sctp_sf_do_assoc_update()
1855 					struct net *net,  in sctp_sf_do_dupcook_a()  argument
1879 	if (!sctp_auth_chunk_verify(net, chunk, new_asoc))  in sctp_sf_do_dupcook_a()
1896 		disposition = __sctp_sf_do_9_2_reshutack(net, ep, asoc,  in sctp_sf_do_dupcook_a()
1953 		return sctp_sf_do_9_2_start_shutdown(net, ep, asoc,  in sctp_sf_do_dupcook_a()
1978 					struct net *net,  in sctp_sf_do_dupcook_b()  argument
1999 	if (!sctp_auth_chunk_verify(net, chunk, new_asoc))  in sctp_sf_do_dupcook_b()
2005 		SCTP_INC_STATS(net, SCTP_MIB_CURRESTAB);  in sctp_sf_do_dupcook_b()
2062 					struct net *net,  in sctp_sf_do_dupcook_c()  argument
2085 					struct net *net,  in sctp_sf_do_dupcook_d()  argument
2102 	if (!sctp_auth_chunk_verify(net, chunk, asoc))  in sctp_sf_do_dupcook_d()
2111 		SCTP_INC_STATS(net, SCTP_MIB_CURRESTAB);  in sctp_sf_do_dupcook_d()
2197 					struct net *net,  in sctp_sf_do_5_2_4_dupcook()  argument
2219 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_2_4_dupcook()
2253 			sctp_send_stale_cookie_err(net, ep, asoc, chunk, commands,  in sctp_sf_do_5_2_4_dupcook()
2255 			return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_2_4_dupcook()
2258 			return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_2_4_dupcook()
2265 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_2_4_dupcook()
2278 		retval = sctp_sf_do_dupcook_a(net, ep, asoc, chunk, commands,  in sctp_sf_do_5_2_4_dupcook()
2283 		retval = sctp_sf_do_dupcook_b(net, ep, asoc, chunk, commands,  in sctp_sf_do_5_2_4_dupcook()
2288 		retval = sctp_sf_do_dupcook_c(net, ep, asoc, chunk, commands,  in sctp_sf_do_5_2_4_dupcook()
2293 		retval = sctp_sf_do_dupcook_d(net, ep, asoc, chunk, commands,  in sctp_sf_do_5_2_4_dupcook()
2298 		retval = sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_5_2_4_dupcook()
2324 					struct net *net,  in sctp_sf_shutdown_pending_abort()  argument
2334 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_shutdown_pending_abort()
2347 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_shutdown_pending_abort()
2356 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_shutdown_pending_abort()
2359 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_shutdown_pending_abort()
2361 	return __sctp_sf_do_9_1_abort(net, ep, asoc, type, arg, commands);  in sctp_sf_shutdown_pending_abort()
2370 					struct net *net,  in sctp_sf_shutdown_sent_abort()  argument
2380 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_shutdown_sent_abort()
2393 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_shutdown_sent_abort()
2402 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_shutdown_sent_abort()
2405 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_shutdown_sent_abort()
2415 	return __sctp_sf_do_9_1_abort(net, ep, asoc, type, arg, commands);  in sctp_sf_shutdown_sent_abort()
2424 					struct net *net,  in sctp_sf_shutdown_ack_sent_abort()  argument
2434 	return sctp_sf_shutdown_sent_abort(net, ep, asoc, type, arg, commands);  in sctp_sf_shutdown_ack_sent_abort()
2452 					struct net *net,  in sctp_sf_cookie_echoed_err()  argument
2463 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_cookie_echoed_err()
2469 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_cookie_echoed_err()
2479 			return sctp_sf_do_5_2_6_stale(net, ep, asoc, type,  in sctp_sf_cookie_echoed_err()
2488 	return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_cookie_echoed_err()
2517 					struct net *net,  in sctp_sf_do_5_2_6_stale()  argument
2640 					struct net *net,  in sctp_sf_do_9_1_abort()  argument
2650 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_9_1_abort()
2663 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_9_1_abort()
2672 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_9_1_abort()
2675 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_9_1_abort()
2677 	return __sctp_sf_do_9_1_abort(net, ep, asoc, type, arg, commands);  in sctp_sf_do_9_1_abort()
2681 					struct net *net,  in __sctp_sf_do_9_1_abort()  argument
2700 	SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);  in __sctp_sf_do_9_1_abort()
2701 	SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);  in __sctp_sf_do_9_1_abort()
2712 					struct net *net,  in sctp_sf_cookie_wait_abort()  argument
2724 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_cookie_wait_abort()
2737 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_cookie_wait_abort()
2744 	return sctp_stop_t1_and_abort(net, commands, error, ECONNREFUSED, asoc,  in sctp_sf_cookie_wait_abort()
2752 					struct net *net,  in sctp_sf_cookie_wait_icmp_abort()  argument
2759 	return sctp_stop_t1_and_abort(net, commands, SCTP_ERROR_NO_ERROR,  in sctp_sf_cookie_wait_icmp_abort()
2768 					struct net *net,  in sctp_sf_cookie_echoed_abort()  argument
2778 	return sctp_sf_cookie_wait_abort(net, ep, asoc, type, arg, commands);  in sctp_sf_cookie_echoed_abort()
2787 					struct net *net,  in sctp_stop_t1_and_abort()  argument
2797 	SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);  in sctp_stop_t1_and_abort()
2842 					struct net *net,  in sctp_sf_do_9_2_shutdown()  argument
2856 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_9_2_shutdown()
2860 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_do_9_2_shutdown()
2881 		return sctp_sf_violation_ctsn(net, ep, asoc, type, arg, commands);  in sctp_sf_do_9_2_shutdown()
2905 		disposition = sctp_sf_do_9_2_shutdown_ack(net, ep, asoc, type,  in sctp_sf_do_9_2_shutdown()
2932 					struct net *net,  in sctp_sf_do_9_2_shut_ctsn()  argument
2944 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_9_2_shut_ctsn()
2948 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_do_9_2_shut_ctsn()
2966 		return sctp_sf_violation_ctsn(net, ep, asoc, type, arg, commands);  in sctp_sf_do_9_2_shut_ctsn()
2986 __sctp_sf_do_9_2_reshutack(struct net *net, const struct sctp_endpoint *ep,  in __sctp_sf_do_9_2_reshutack()  argument
2996 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in __sctp_sf_do_9_2_reshutack()
3024 sctp_sf_do_9_2_reshutack(struct net *net, const struct sctp_endpoint *ep,  in sctp_sf_do_9_2_reshutack()  argument
3032 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_9_2_reshutack()
3035 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_9_2_reshutack()
3038 		return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg, commands);  in sctp_sf_do_9_2_reshutack()
3040 	return __sctp_sf_do_9_2_reshutack(net, ep, asoc, type, arg, commands);  in sctp_sf_do_9_2_reshutack()
3068 enum sctp_disposition sctp_sf_do_ecn_cwr(struct net *net,  in sctp_sf_do_ecn_cwr()  argument
3080 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_ecn_cwr()
3083 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_do_ecn_cwr()
3124 enum sctp_disposition sctp_sf_do_ecne(struct net *net,  in sctp_sf_do_ecne()  argument
3134 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_ecne()
3137 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_do_ecne()
3180 enum sctp_disposition sctp_sf_eat_data_6_2(struct net *net,  in sctp_sf_eat_data_6_2()  argument
3194 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_eat_data_6_2()
3198 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_eat_data_6_2()
3207 		SCTP_INC_STATS(net, SCTP_MIB_IN_DATA_CHUNK_DISCARDS);  in sctp_sf_eat_data_6_2()
3211 		SCTP_INC_STATS(net, SCTP_MIB_IN_DATA_CHUNK_DISCARDS);  in sctp_sf_eat_data_6_2()
3216 		return sctp_sf_abort_violation(net, ep, asoc, chunk, commands,  in sctp_sf_eat_data_6_2()
3301 					struct net *net,  in sctp_sf_eat_data_fast_4_4()  argument
3314 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_eat_data_fast_4_4()
3318 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_eat_data_fast_4_4()
3332 		return sctp_sf_abort_violation(net, ep, asoc, chunk, commands,  in sctp_sf_eat_data_fast_4_4()
3392 enum sctp_disposition sctp_sf_eat_sack_6_2(struct net *net,  in sctp_sf_eat_sack_6_2()  argument
3404 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_eat_sack_6_2()
3408 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_eat_sack_6_2()
3415 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_eat_sack_6_2()
3424 		return sctp_sf_violation_ctsn(net, ep, asoc, type, arg, commands);  in sctp_sf_eat_sack_6_2()
3469 					struct net *net,  in sctp_sf_tabort_8_4_8()  argument
3480 	packet = sctp_ootb_pkt_new(net, asoc, chunk);  in sctp_sf_tabort_8_4_8()
3504 	SCTP_INC_STATS(net, SCTP_MIB_OUTCTRLCHUNKS);  in sctp_sf_tabort_8_4_8()
3506 	sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_tabort_8_4_8()
3516 					struct net *net,  in sctp_sf_new_encap_port()  argument
3527 	packet = sctp_ootb_pkt_new(net, asoc, chunk);  in sctp_sf_new_encap_port()
3544 	SCTP_INC_STATS(net, SCTP_MIB_OUTCTRLCHUNKS);  in sctp_sf_new_encap_port()
3546 	sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_new_encap_port()
3558 enum sctp_disposition sctp_sf_operr_notify(struct net *net,  in sctp_sf_operr_notify()  argument
3569 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_operr_notify()
3573 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_operr_notify()
3577 		return sctp_sf_violation_paramlen(net, ep, asoc, type, arg,  in sctp_sf_operr_notify()
3596 enum sctp_disposition sctp_sf_do_9_2_final(struct net *net,  in sctp_sf_do_9_2_final()  argument
3608 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_9_2_final()
3612 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_do_9_2_final()
3645 	SCTP_INC_STATS(net, SCTP_MIB_SHUTDOWNS);  in sctp_sf_do_9_2_final()
3646 	SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);  in sctp_sf_do_9_2_final()
3679 enum sctp_disposition sctp_sf_ootb(struct net *net,  in sctp_sf_ootb()  argument
3693 	SCTP_INC_STATS(net, SCTP_MIB_OUTOFBLUES);  in sctp_sf_ootb()
3702 			return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_ootb()
3708 			return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_ootb()
3723 			return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_ootb()
3746 		return sctp_sf_shut_8_4_5(net, ep, asoc, type, arg, commands);  in sctp_sf_ootb()
3748 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_ootb()
3750 		return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg, commands);  in sctp_sf_ootb()
3775 					struct net *net,  in sctp_sf_shut_8_4_5()  argument
3786 	packet = sctp_ootb_pkt_new(net, asoc, chunk);  in sctp_sf_shut_8_4_5()
3811 	SCTP_INC_STATS(net, SCTP_MIB_OUTCTRLCHUNKS);  in sctp_sf_shut_8_4_5()
3817 	return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_shut_8_4_5()
3831 enum sctp_disposition sctp_sf_do_8_5_1_E_sa(struct net *net,  in sctp_sf_do_8_5_1_E_sa()  argument
3845 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_do_8_5_1_E_sa()
3853 	SCTP_INC_STATS(net, SCTP_MIB_OUTOFBLUES);  in sctp_sf_do_8_5_1_E_sa()
3855 	return sctp_sf_shut_8_4_5(net, ep, NULL, type, arg, commands);  in sctp_sf_do_8_5_1_E_sa()
3859 enum sctp_disposition sctp_sf_do_asconf(struct net *net,  in sctp_sf_do_asconf()  argument
3875 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_asconf()
3880 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_do_asconf()
3890 	    (!net->sctp.addip_noauth && !chunk->auth))  in sctp_sf_do_asconf()
3891 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_asconf()
3898 		return sctp_sf_violation_paramlen(net, ep, asoc, type, arg,  in sctp_sf_do_asconf()
3973 					struct net *net,  in sctp_send_next_asconf()  argument
3992 	return sctp_sf_do_prm_asconf(net, ep, asoc, type, asconf, commands);  in sctp_send_next_asconf()
4000 enum sctp_disposition sctp_sf_do_asconf_ack(struct net *net,  in sctp_sf_do_asconf_ack()  argument
4017 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_asconf_ack()
4023 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_do_asconf_ack()
4033 	    (!net->sctp.addip_noauth && !asconf_ack->auth))  in sctp_sf_do_asconf_ack()
4034 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_asconf_ack()
4041 		return sctp_sf_violation_paramlen(net, ep, asoc, type, arg,  in sctp_sf_do_asconf_ack()
4076 		SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);  in sctp_sf_do_asconf_ack()
4077 		SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);  in sctp_sf_do_asconf_ack()
4087 			return sctp_send_next_asconf(net, ep,  in sctp_sf_do_asconf_ack()
4106 		SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);  in sctp_sf_do_asconf_ack()
4107 		SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);  in sctp_sf_do_asconf_ack()
4115 enum sctp_disposition sctp_sf_do_reconf(struct net *net,  in sctp_sf_do_reconf()  argument
4130 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_do_reconf()
4135 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_do_reconf()
4139 		return sctp_sf_violation_paramlen(net, ep, asoc, type, arg,  in sctp_sf_do_reconf()
4192 enum sctp_disposition sctp_sf_eat_fwd_tsn(struct net *net,  in sctp_sf_eat_fwd_tsn()  argument
4207 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_eat_fwd_tsn()
4211 		return sctp_sf_unk_chunk(net, ep, asoc, type, arg, commands);  in sctp_sf_eat_fwd_tsn()
4215 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_eat_fwd_tsn()
4259 					struct net *net,  in sctp_sf_eat_fwd_tsn_fast()  argument
4274 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_eat_fwd_tsn_fast()
4278 		return sctp_sf_unk_chunk(net, ep, asoc, type, arg, commands);  in sctp_sf_eat_fwd_tsn_fast()
4282 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_eat_fwd_tsn_fast()
4421 enum sctp_disposition sctp_sf_eat_auth(struct net *net,  in sctp_sf_eat_auth()  argument
4434 		return sctp_sf_unk_chunk(net, ep, asoc, type, arg, commands);  in sctp_sf_eat_auth()
4439 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_eat_auth()
4444 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_eat_auth()
4465 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_eat_auth()
4468 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_eat_auth()
4517 enum sctp_disposition sctp_sf_unk_chunk(struct net *net,  in sctp_sf_unk_chunk()  argument
4531 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_unk_chunk()
4538 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_unk_chunk()
4544 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_unk_chunk()
4558 		sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_unk_chunk()
4597 enum sctp_disposition sctp_sf_discard_chunk(struct net *net,  in sctp_sf_discard_chunk()  argument
4607 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_discard_chunk()
4614 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_discard_chunk()
4640 enum sctp_disposition sctp_sf_pdiscard(struct net *net,  in sctp_sf_pdiscard()  argument
4646 	SCTP_INC_STATS(net, SCTP_MIB_IN_PKT_DISCARDS);  in sctp_sf_pdiscard()
4667 enum sctp_disposition sctp_sf_violation(struct net *net,  in sctp_sf_violation()  argument
4677 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);  in sctp_sf_violation()
4681 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,  in sctp_sf_violation()
4691 					struct net *net,  in sctp_sf_abort_violation()  argument
4741 		SCTP_INC_STATS(net, SCTP_MIB_OUTCTRLCHUNKS);  in sctp_sf_abort_violation()
4755 			SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);  in sctp_sf_abort_violation()
4758 		packet = sctp_ootb_pkt_new(net, asoc, chunk);  in sctp_sf_abort_violation()
4773 		SCTP_INC_STATS(net, SCTP_MIB_OUTCTRLCHUNKS);  in sctp_sf_abort_violation()
4776 	SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);  in sctp_sf_abort_violation()
4779 	sctp_sf_pdiscard(net, ep, asoc, SCTP_ST_CHUNK(0), arg, commands);  in sctp_sf_abort_violation()
4808 					struct net *net,  in sctp_sf_violation_chunklen()  argument
4817 	return sctp_sf_abort_violation(net, ep, asoc, arg, commands, err_str,  in sctp_sf_violation_chunklen()
4828 					struct net *net,  in sctp_sf_violation_paramlen()  argument
4848 	SCTP_INC_STATS(net, SCTP_MIB_OUTCTRLCHUNKS);  in sctp_sf_violation_paramlen()
4854 	SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);  in sctp_sf_violation_paramlen()
4855 	SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);  in sctp_sf_violation_paramlen()
4858 	sctp_sf_pdiscard(net, ep, asoc, SCTP_ST_CHUNK(0), arg, commands);  in sctp_sf_violation_paramlen()
4871 					struct net *net,  in sctp_sf_violation_ctsn()  argument
4880 	return sctp_sf_abort_violation(net, ep, asoc, arg, commands, err_str,  in sctp_sf_violation_ctsn()
4891 					struct net *net,  in sctp_sf_violation_chunk()  argument
4900 	return sctp_sf_abort_violation(net, ep, asoc, arg, commands, err_str,  in sctp_sf_violation_chunk()
4963 enum sctp_disposition sctp_sf_do_prm_asoc(struct net *net,  in sctp_sf_do_prm_asoc()  argument
5075 enum sctp_disposition sctp_sf_do_prm_send(struct net *net,  in sctp_sf_do_prm_send()  argument
5115 					struct net *net,  in sctp_sf_do_9_2_prm_shutdown()  argument
5137 		disposition = sctp_sf_do_9_2_start_shutdown(net, ep, asoc, type,  in sctp_sf_do_9_2_prm_shutdown()
5172 					struct net *net,  in sctp_sf_do_9_1_prm_abort()  argument
5202 	SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);  in sctp_sf_do_9_1_prm_abort()
5203 	SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);  in sctp_sf_do_9_1_prm_abort()
5209 enum sctp_disposition sctp_sf_error_closed(struct net *net,  in sctp_sf_error_closed()  argument
5224 					struct net *net,  in sctp_sf_error_shutdown()  argument
5251 					struct net *net,  in sctp_sf_cookie_wait_prm_shutdown()  argument
5264 	SCTP_INC_STATS(net, SCTP_MIB_SHUTDOWNS);  in sctp_sf_cookie_wait_prm_shutdown()
5286 					struct net *net,  in sctp_sf_cookie_echoed_prm_shutdown()  argument
5296 	return sctp_sf_cookie_wait_prm_shutdown(net, ep, asoc, type, arg, commands);  in sctp_sf_cookie_echoed_prm_shutdown()
5314 					struct net *net,  in sctp_sf_cookie_wait_prm_abort()  argument
5333 	SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);  in sctp_sf_cookie_wait_prm_abort()
5363 					struct net *net,  in sctp_sf_cookie_echoed_prm_abort()  argument
5373 	return sctp_sf_cookie_wait_prm_abort(net, ep, asoc, type, arg, commands);  in sctp_sf_cookie_echoed_prm_abort()
5389 					struct net *net,  in sctp_sf_shutdown_pending_prm_abort()  argument
5400 	return sctp_sf_do_9_1_prm_abort(net, ep, asoc, type, arg, commands);  in sctp_sf_shutdown_pending_prm_abort()
5416 					struct net *net,  in sctp_sf_shutdown_sent_prm_abort()  argument
5431 	return sctp_sf_do_9_1_prm_abort(net, ep, asoc, type, arg, commands);  in sctp_sf_shutdown_sent_prm_abort()
5447 					struct net *net,  in sctp_sf_shutdown_ack_sent_prm_abort()  argument
5457 	return sctp_sf_shutdown_sent_prm_abort(net, ep, asoc, type, arg, commands);  in sctp_sf_shutdown_ack_sent_prm_abort()
5483 					struct net *net,  in sctp_sf_do_prm_requestheartbeat()  argument
5515 enum sctp_disposition sctp_sf_do_prm_asconf(struct net *net,  in sctp_sf_do_prm_asconf()  argument
5532 enum sctp_disposition sctp_sf_do_prm_reconf(struct net *net,  in sctp_sf_do_prm_reconf()  argument
5551 					struct net *net,  in sctp_sf_ignore_primitive()  argument
5575 					struct net *net,  in sctp_sf_do_no_pending_tsn()  argument
5607 					struct net *net,  in sctp_sf_do_9_2_start_shutdown()  argument
5677 					struct net *net,  in sctp_sf_do_9_2_shutdown_ack()  argument
5696 			return sctp_sf_pdiscard(net, ep, asoc, type, arg,  in sctp_sf_do_9_2_shutdown_ack()
5702 			return sctp_sf_violation_chunklen(net, ep, asoc, type,  in sctp_sf_do_9_2_shutdown_ack()
5750 enum sctp_disposition sctp_sf_ignore_other(struct net *net,  in sctp_sf_ignore_other()  argument
5778 enum sctp_disposition sctp_sf_do_6_3_3_rtx(struct net *net,  in sctp_sf_do_6_3_3_rtx()  argument
5787 	SCTP_INC_STATS(net, SCTP_MIB_T3_RTX_EXPIREDS);  in sctp_sf_do_6_3_3_rtx()
5809 			SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);  in sctp_sf_do_6_3_3_rtx()
5810 			SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);  in sctp_sf_do_6_3_3_rtx()
5866 enum sctp_disposition sctp_sf_do_6_2_sack(struct net *net,  in sctp_sf_do_6_2_sack()  argument
5873 	SCTP_INC_STATS(net, SCTP_MIB_DELAY_SACK_EXPIREDS);  in sctp_sf_do_6_2_sack()
5898 					struct net *net,  in sctp_sf_t1_init_timer_expire()  argument
5911 	SCTP_INC_STATS(net, SCTP_MIB_T1_INIT_EXPIREDS);  in sctp_sf_t1_init_timer_expire()
5963 					struct net *net,  in sctp_sf_t1_cookie_timer_expire()  argument
5975 	SCTP_INC_STATS(net, SCTP_MIB_T1_COOKIE_EXPIREDS);  in sctp_sf_t1_cookie_timer_expire()
6014 					struct net *net,  in sctp_sf_t2_timer_expire()  argument
6025 	SCTP_INC_STATS(net, SCTP_MIB_T2_SHUTDOWN_EXPIREDS);  in sctp_sf_t2_timer_expire()
6035 		SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);  in sctp_sf_t2_timer_expire()
6036 		SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);  in sctp_sf_t2_timer_expire()
6085 					struct net *net,  in sctp_sf_t4_timer_expire()  argument
6095 	SCTP_INC_STATS(net, SCTP_MIB_T4_RTO_EXPIREDS);  in sctp_sf_t4_timer_expire()
6120 		SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);  in sctp_sf_t4_timer_expire()
6121 		SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);  in sctp_sf_t4_timer_expire()
6157 					struct net *net,  in sctp_sf_t5_timer_expire()  argument
6168 	SCTP_INC_STATS(net, SCTP_MIB_T5_SHUTDOWN_GUARD_EXPIREDS);  in sctp_sf_t5_timer_expire()
6180 	SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);  in sctp_sf_t5_timer_expire()
6181 	SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);  in sctp_sf_t5_timer_expire()
6194 					struct net *net,  in sctp_sf_autoclose_timer_expire()  argument
6203 	SCTP_INC_STATS(net, SCTP_MIB_AUTOCLOSE_EXPIREDS);  in sctp_sf_autoclose_timer_expire()
6218 		disposition = sctp_sf_do_9_2_start_shutdown(net, ep, asoc, type,  in sctp_sf_autoclose_timer_expire()
6237 enum sctp_disposition sctp_sf_not_impl(struct net *net,  in sctp_sf_not_impl()  argument
6254 enum sctp_disposition sctp_sf_bug(struct net *net,  in sctp_sf_bug()  argument
6274 enum sctp_disposition sctp_sf_timer_ignore(struct net *net,  in sctp_sf_timer_ignore()  argument
6319 					struct net *net,  in sctp_abort_pkt_new()  argument
6328 	packet = sctp_ootb_pkt_new(net, asoc, chunk);  in sctp_abort_pkt_new()
6361 					struct net *net,  in sctp_ootb_pkt_new()  argument
6415 	transport = sctp_transport_new(net, sctp_source(chunk), GFP_ATOMIC);  in sctp_ootb_pkt_new()
6425 			     sctp_sk(net->sctp.ctl_sock));  in sctp_ootb_pkt_new()
6444 static void sctp_send_stale_cookie_err(struct net *net,  in sctp_send_stale_cookie_err()  argument
6454 		packet = sctp_ootb_pkt_new(net, asoc, chunk);  in sctp_send_stale_cookie_err()
6467 			SCTP_INC_STATS(net, SCTP_MIB_OUTCTRLCHUNKS);  in sctp_send_stale_cookie_err()
6481 	struct net *net = sock_net(sk);  in sctp_eat_data()  local
6616 		SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);  in sctp_eat_data()
6617 		SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);  in sctp_eat_data()
6627 		SCTP_INC_STATS(net, SCTP_MIB_INUNORDERCHUNKS);  in sctp_eat_data()
6631 		SCTP_INC_STATS(net, SCTP_MIB_INORDERCHUNKS);  in sctp_eat_data()