Lines Matching refs:chunk
54 struct sctp_chunk *chunk,
57 struct sctp_chunk *chunk,
62 const struct sctp_chunk *chunk);
66 const struct sctp_chunk *chunk,
90 static struct sctp_sackhdr *sctp_sm_pull_sack(struct sctp_chunk *chunk);
142 struct sctp_chunk *chunk);
159 static inline bool sctp_chunk_length_valid(struct sctp_chunk *chunk, in sctp_chunk_length_valid() argument
162 __u16 chunk_length = ntohs(chunk->chunk_hdr->length); in sctp_chunk_length_valid()
165 if (unlikely(chunk->pdiscard)) in sctp_chunk_length_valid()
174 static inline bool sctp_err_chunk_valid(struct sctp_chunk *chunk) in sctp_err_chunk_valid() argument
178 sctp_walk_errors(err, chunk->chunk_hdr); in sctp_err_chunk_valid()
180 return (void *)err == (void *)chunk->chunk_end; in sctp_err_chunk_valid()
224 struct sctp_chunk *chunk = arg; in sctp_sf_do_4_C() local
227 if (!sctp_vtag_verify_either(chunk, asoc)) in sctp_sf_do_4_C()
235 if (!chunk->singleton) in sctp_sf_do_4_C()
239 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_chunkhdr))) in sctp_sf_do_4_C()
310 struct sctp_chunk *chunk = arg, *repl, *err_chunk; in sctp_sf_do_5_1B_init() local
318 chunk->skb)) in sctp_sf_do_5_1B_init()
330 if (!chunk->singleton) in sctp_sf_do_5_1B_init()
344 if (chunk->sctp_hdr->vtag != 0) in sctp_sf_do_5_1B_init()
352 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_init_chunk))) in sctp_sf_do_5_1B_init()
366 if (!sctp_verify_init(net, ep, asoc, chunk->chunk_hdr->type, in sctp_sf_do_5_1B_init()
367 (struct sctp_init_chunk *)chunk->chunk_hdr, chunk, in sctp_sf_do_5_1B_init()
396 chunk->subh.init_hdr = (struct sctp_inithdr *)chunk->skb->data; in sctp_sf_do_5_1B_init()
399 chunk->param_hdr.v = skb_pull(chunk->skb, sizeof(struct sctp_inithdr)); in sctp_sf_do_5_1B_init()
401 new_asoc = sctp_make_temp_asoc(ep, chunk, GFP_ATOMIC); in sctp_sf_do_5_1B_init()
406 sctp_scope(sctp_source(chunk)), in sctp_sf_do_5_1B_init()
411 if (!sctp_process_init(new_asoc, chunk, sctp_source(chunk), in sctp_sf_do_5_1B_init()
412 (struct sctp_init_chunk *)chunk->chunk_hdr, in sctp_sf_do_5_1B_init()
426 repl = sctp_make_init_ack(new_asoc, chunk, GFP_ATOMIC, len); in sctp_sf_do_5_1B_init()
510 struct sctp_chunk *chunk = arg; in sctp_sf_do_5_1C_ack() local
514 if (!sctp_vtag_verify(chunk, asoc)) in sctp_sf_do_5_1C_ack()
521 if (!chunk->singleton) in sctp_sf_do_5_1C_ack()
525 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_initack_chunk))) in sctp_sf_do_5_1C_ack()
529 chunk->subh.init_hdr = (struct sctp_inithdr *)chunk->skb->data; in sctp_sf_do_5_1C_ack()
533 if (!sctp_verify_init(net, ep, asoc, chunk->chunk_hdr->type, in sctp_sf_do_5_1C_ack()
534 (struct sctp_init_chunk *)chunk->chunk_hdr, chunk, in sctp_sf_do_5_1C_ack()
577 asoc, chunk->transport); in sctp_sf_do_5_1C_ack()
583 chunk->param_hdr.v = skb_pull(chunk->skb, sizeof(struct sctp_inithdr)); in sctp_sf_do_5_1C_ack()
585 initchunk = (struct sctp_init_chunk *)chunk->chunk_hdr; in sctp_sf_do_5_1C_ack()
621 static bool sctp_auth_chunk_verify(struct net *net, struct sctp_chunk *chunk, in sctp_auth_chunk_verify() argument
626 if (!chunk->auth_chunk) in sctp_auth_chunk_verify()
641 auth.skb = chunk->auth_chunk; in sctp_auth_chunk_verify()
642 auth.asoc = chunk->asoc; in sctp_auth_chunk_verify()
643 auth.sctp_hdr = chunk->sctp_hdr; in sctp_auth_chunk_verify()
645 skb_push(chunk->auth_chunk, in sctp_auth_chunk_verify()
647 skb_pull(chunk->auth_chunk, sizeof(struct sctp_chunkhdr)); in sctp_auth_chunk_verify()
648 auth.transport = chunk->transport; in sctp_auth_chunk_verify()
694 struct sctp_chunk *chunk = arg; in sctp_sf_do_5_1D_ce() local
713 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_chunkhdr))) in sctp_sf_do_5_1D_ce()
728 chunk->subh.cookie_hdr = in sctp_sf_do_5_1D_ce()
729 (struct sctp_signed_cookie *)chunk->skb->data; in sctp_sf_do_5_1D_ce()
730 if (!pskb_pull(chunk->skb, ntohs(chunk->chunk_hdr->length) - in sctp_sf_do_5_1D_ce()
738 new_asoc = sctp_unpack_cookie(ep, asoc, chunk, GFP_ATOMIC, &error, in sctp_sf_do_5_1D_ce()
756 sctp_send_stale_cookie_err(net, ep, asoc, chunk, commands, in sctp_sf_do_5_1D_ce()
775 peer_init = &chunk->subh.cookie_hdr->c.peer_init[0]; in sctp_sf_do_5_1D_ce()
777 if (!sctp_process_init(new_asoc, chunk, in sctp_sf_do_5_1D_ce()
778 &chunk->subh.cookie_hdr->c.peer_addr, in sctp_sf_do_5_1D_ce()
790 if (!sctp_auth_chunk_verify(net, chunk, new_asoc)) { in sctp_sf_do_5_1D_ce()
795 repl = sctp_make_cookie_ack(new_asoc, chunk); in sctp_sf_do_5_1D_ce()
905 struct sctp_chunk *chunk = arg; in sctp_sf_do_5_1E_ca() local
908 if (!sctp_vtag_verify(chunk, asoc)) in sctp_sf_do_5_1E_ca()
914 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_chunkhdr))) in sctp_sf_do_5_1E_ca()
927 security_inet_conn_established(ep->base.sk, chunk->skb); in sctp_sf_do_5_1E_ca()
1122 struct sctp_chunk *chunk = arg; in sctp_sf_beat_8_3() local
1126 if (!sctp_vtag_verify(chunk, asoc)) in sctp_sf_beat_8_3()
1130 if (!sctp_chunk_length_valid(chunk, in sctp_sf_beat_8_3()
1139 chunk->subh.hb_hdr = (struct sctp_heartbeathdr *)chunk->skb->data; in sctp_sf_beat_8_3()
1140 param_hdr = (struct sctp_paramhdr *)chunk->subh.hb_hdr; in sctp_sf_beat_8_3()
1141 paylen = ntohs(chunk->chunk_hdr->length) - sizeof(struct sctp_chunkhdr); in sctp_sf_beat_8_3()
1147 if (!pskb_pull(chunk->skb, paylen)) in sctp_sf_beat_8_3()
1150 reply = sctp_make_heartbeat_ack(asoc, chunk, param_hdr, paylen); in sctp_sf_beat_8_3()
1197 struct sctp_chunk *chunk = arg; in sctp_sf_backbeat_8_3() local
1202 if (!sctp_vtag_verify(chunk, asoc)) in sctp_sf_backbeat_8_3()
1206 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_chunkhdr) + in sctp_sf_backbeat_8_3()
1211 hbinfo = (struct sctp_sender_hb_info *)chunk->skb->data; in sctp_sf_backbeat_8_3()
1459 struct sctp_chunk *chunk = arg, *repl, *err_chunk; in sctp_sf_do_unexpected_init() local
1468 chunk->skb)) in sctp_sf_do_unexpected_init()
1480 if (!chunk->singleton) in sctp_sf_do_unexpected_init()
1486 if (chunk->sctp_hdr->vtag != 0) in sctp_sf_do_unexpected_init()
1493 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_init_chunk))) in sctp_sf_do_unexpected_init()
1497 chunk->subh.init_hdr = (struct sctp_inithdr *)chunk->skb->data; in sctp_sf_do_unexpected_init()
1500 chunk->param_hdr.v = skb_pull(chunk->skb, sizeof(struct sctp_inithdr)); in sctp_sf_do_unexpected_init()
1504 if (!sctp_verify_init(net, ep, asoc, chunk->chunk_hdr->type, in sctp_sf_do_unexpected_init()
1505 (struct sctp_init_chunk *)chunk->chunk_hdr, chunk, in sctp_sf_do_unexpected_init()
1539 new_asoc = sctp_make_temp_asoc(ep, chunk, GFP_ATOMIC); in sctp_sf_do_unexpected_init()
1544 sctp_scope(sctp_source(chunk)), GFP_ATOMIC) < 0) in sctp_sf_do_unexpected_init()
1551 if (!sctp_process_init(new_asoc, chunk, sctp_source(chunk), in sctp_sf_do_unexpected_init()
1552 (struct sctp_init_chunk *)chunk->chunk_hdr, in sctp_sf_do_unexpected_init()
1562 if (!sctp_sf_check_restart_addrs(new_asoc, asoc, chunk, in sctp_sf_do_unexpected_init()
1582 repl = sctp_make_init_ack(new_asoc, chunk, GFP_ATOMIC, len); in sctp_sf_do_unexpected_init()
1774 struct sctp_chunk *chunk, in sctp_sf_do_dupcook_a() argument
1787 peer_init = &chunk->subh.cookie_hdr->c.peer_init[0]; in sctp_sf_do_dupcook_a()
1789 if (!sctp_process_init(new_asoc, chunk, sctp_source(chunk), peer_init, in sctp_sf_do_dupcook_a()
1796 if (!sctp_auth_chunk_verify(net, chunk, new_asoc)) in sctp_sf_do_dupcook_a()
1803 if (!sctp_sf_check_restart_addrs(new_asoc, asoc, chunk, commands)) in sctp_sf_do_dupcook_a()
1814 SCTP_ST_CHUNK(chunk->chunk_hdr->type), in sctp_sf_do_dupcook_a()
1815 chunk, commands); in sctp_sf_do_dupcook_a()
1819 err = sctp_make_op_error(asoc, chunk, in sctp_sf_do_dupcook_a()
1844 repl = sctp_make_cookie_ack(new_asoc, chunk); in sctp_sf_do_dupcook_a()
1896 struct sctp_chunk *chunk, in sctp_sf_do_dupcook_b() argument
1906 peer_init = &chunk->subh.cookie_hdr->c.peer_init[0]; in sctp_sf_do_dupcook_b()
1907 if (!sctp_process_init(new_asoc, chunk, sctp_source(chunk), peer_init, in sctp_sf_do_dupcook_b()
1914 if (!sctp_auth_chunk_verify(net, chunk, new_asoc)) in sctp_sf_do_dupcook_b()
1924 repl = sctp_make_cookie_ack(new_asoc, chunk); in sctp_sf_do_dupcook_b()
1977 struct sctp_chunk *chunk, in sctp_sf_do_dupcook_c() argument
2000 struct sctp_chunk *chunk, in sctp_sf_do_dupcook_d() argument
2014 if (!sctp_auth_chunk_verify(net, chunk, asoc)) in sctp_sf_do_dupcook_d()
2064 repl = sctp_make_cookie_ack(asoc, chunk); in sctp_sf_do_dupcook_d()
2117 struct sctp_chunk *chunk = arg; in sctp_sf_do_5_2_4_dupcook() local
2128 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_chunkhdr))) in sctp_sf_do_5_2_4_dupcook()
2135 chunk->subh.cookie_hdr = (struct sctp_signed_cookie *)chunk->skb->data; in sctp_sf_do_5_2_4_dupcook()
2136 if (!pskb_pull(chunk->skb, ntohs(chunk->chunk_hdr->length) - in sctp_sf_do_5_2_4_dupcook()
2145 new_asoc = sctp_unpack_cookie(ep, asoc, chunk, GFP_ATOMIC, &error, in sctp_sf_do_5_2_4_dupcook()
2163 sctp_send_stale_cookie_err(net, ep, asoc, chunk, commands, in sctp_sf_do_5_2_4_dupcook()
2174 chunk->skb)) { in sctp_sf_do_5_2_4_dupcook()
2189 retval = sctp_sf_do_dupcook_a(net, ep, asoc, chunk, commands, in sctp_sf_do_5_2_4_dupcook()
2194 retval = sctp_sf_do_dupcook_b(net, ep, asoc, chunk, commands, in sctp_sf_do_5_2_4_dupcook()
2199 retval = sctp_sf_do_dupcook_c(net, ep, asoc, chunk, commands, in sctp_sf_do_5_2_4_dupcook()
2204 retval = sctp_sf_do_dupcook_d(net, ep, asoc, chunk, commands, in sctp_sf_do_5_2_4_dupcook()
2242 struct sctp_chunk *chunk = arg; in sctp_sf_shutdown_pending_abort() local
2244 if (!sctp_vtag_verify_either(chunk, asoc)) in sctp_sf_shutdown_pending_abort()
2257 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_abort_chunk))) in sctp_sf_shutdown_pending_abort()
2266 sctp_bind_addr_state(&asoc->base.bind_addr, &chunk->dest)) in sctp_sf_shutdown_pending_abort()
2269 if (!sctp_err_chunk_valid(chunk)) in sctp_sf_shutdown_pending_abort()
2288 struct sctp_chunk *chunk = arg; in sctp_sf_shutdown_sent_abort() local
2290 if (!sctp_vtag_verify_either(chunk, asoc)) in sctp_sf_shutdown_sent_abort()
2303 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_abort_chunk))) in sctp_sf_shutdown_sent_abort()
2312 sctp_bind_addr_state(&asoc->base.bind_addr, &chunk->dest)) in sctp_sf_shutdown_sent_abort()
2315 if (!sctp_err_chunk_valid(chunk)) in sctp_sf_shutdown_sent_abort()
2370 struct sctp_chunk *chunk = arg; in sctp_sf_cookie_echoed_err() local
2373 if (!sctp_vtag_verify(chunk, asoc)) in sctp_sf_cookie_echoed_err()
2379 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_operr_chunk))) in sctp_sf_cookie_echoed_err()
2388 sctp_walk_errors(err, chunk->chunk_hdr) { in sctp_sf_cookie_echoed_err()
2436 struct sctp_chunk *chunk = arg, *reply; in sctp_sf_do_5_2_6_stale() local
2450 err = (struct sctp_errhdr *)(chunk->skb->data); in sctp_sf_do_5_2_6_stale()
2558 struct sctp_chunk *chunk = arg; in sctp_sf_do_9_1_abort() local
2560 if (!sctp_vtag_verify_either(chunk, asoc)) in sctp_sf_do_9_1_abort()
2573 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_abort_chunk))) in sctp_sf_do_9_1_abort()
2582 sctp_bind_addr_state(&asoc->base.bind_addr, &chunk->dest)) in sctp_sf_do_9_1_abort()
2585 if (!sctp_err_chunk_valid(chunk)) in sctp_sf_do_9_1_abort()
2600 struct sctp_chunk *chunk = arg; in __sctp_sf_do_9_1_abort() local
2604 len = ntohs(chunk->chunk_hdr->length); in __sctp_sf_do_9_1_abort()
2606 error = ((struct sctp_errhdr *)chunk->skb->data)->cause; in __sctp_sf_do_9_1_abort()
2631 struct sctp_chunk *chunk = arg; in sctp_sf_cookie_wait_abort() local
2634 if (!sctp_vtag_verify_either(chunk, asoc)) in sctp_sf_cookie_wait_abort()
2647 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_abort_chunk))) in sctp_sf_cookie_wait_abort()
2651 len = ntohs(chunk->chunk_hdr->length); in sctp_sf_cookie_wait_abort()
2653 error = ((struct sctp_errhdr *)chunk->skb->data)->cause; in sctp_sf_cookie_wait_abort()
2656 chunk->transport); in sctp_sf_cookie_wait_abort()
2761 struct sctp_chunk *chunk = arg; in sctp_sf_do_9_2_shutdown() local
2766 if (!sctp_vtag_verify(chunk, asoc)) in sctp_sf_do_9_2_shutdown()
2770 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_shutdown_chunk))) in sctp_sf_do_9_2_shutdown()
2775 sdh = (struct sctp_shutdownhdr *)chunk->skb->data; in sctp_sf_do_9_2_shutdown()
2776 skb_pull(chunk->skb, sizeof(*sdh)); in sctp_sf_do_9_2_shutdown()
2777 chunk->subh.shutdown_hdr = sdh; in sctp_sf_do_9_2_shutdown()
2828 SCTP_BE32(chunk->subh.shutdown_hdr->cum_tsn_ack)); in sctp_sf_do_9_2_shutdown()
2850 struct sctp_chunk *chunk = arg; in sctp_sf_do_9_2_shut_ctsn() local
2854 if (!sctp_vtag_verify(chunk, asoc)) in sctp_sf_do_9_2_shut_ctsn()
2858 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_shutdown_chunk))) in sctp_sf_do_9_2_shut_ctsn()
2862 sdh = (struct sctp_shutdownhdr *)chunk->skb->data; in sctp_sf_do_9_2_shut_ctsn()
2904 struct sctp_chunk *chunk = arg; in sctp_sf_do_9_2_reshutack() local
2908 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_chunkhdr))) in sctp_sf_do_9_2_reshutack()
2916 reply = sctp_make_shutdown_ack(asoc, chunk); in sctp_sf_do_9_2_reshutack()
2968 struct sctp_chunk *chunk = arg; in sctp_sf_do_ecn_cwr() local
2972 if (!sctp_vtag_verify(chunk, asoc)) in sctp_sf_do_ecn_cwr()
2975 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_ecne_chunk))) in sctp_sf_do_ecn_cwr()
2979 cwr = (struct sctp_cwrhdr *)chunk->skb->data; in sctp_sf_do_ecn_cwr()
2980 skb_pull(chunk->skb, sizeof(*cwr)); in sctp_sf_do_ecn_cwr()
3023 struct sctp_chunk *chunk = arg; in sctp_sf_do_ecne() local
3026 if (!sctp_vtag_verify(chunk, asoc)) in sctp_sf_do_ecne()
3029 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_ecne_chunk))) in sctp_sf_do_ecne()
3033 ecne = (struct sctp_ecnehdr *)chunk->skb->data; in sctp_sf_do_ecne()
3034 skb_pull(chunk->skb, sizeof(*ecne)); in sctp_sf_do_ecne()
3081 struct sctp_chunk *chunk = arg; in sctp_sf_eat_data_6_2() local
3084 if (!sctp_vtag_verify(chunk, asoc)) { in sctp_sf_eat_data_6_2()
3090 if (!sctp_chunk_length_valid(chunk, sctp_datachk_len(&asoc->stream))) in sctp_sf_eat_data_6_2()
3094 error = sctp_eat_data(asoc, chunk, commands); in sctp_sf_eat_data_6_2()
3109 return sctp_sf_abort_violation(net, ep, asoc, chunk, commands, in sctp_sf_eat_data_6_2()
3110 (u8 *)chunk->subh.data_hdr, in sctp_sf_eat_data_6_2()
3116 if (chunk->chunk_hdr->flags & SCTP_DATA_SACK_IMM) in sctp_sf_eat_data_6_2()
3146 if (chunk->end_of_packet) in sctp_sf_eat_data_6_2()
3166 if (chunk->end_of_packet) in sctp_sf_eat_data_6_2()
3171 if (chunk->end_of_packet) in sctp_sf_eat_data_6_2()
3201 struct sctp_chunk *chunk = arg; in sctp_sf_eat_data_fast_4_4() local
3204 if (!sctp_vtag_verify(chunk, asoc)) { in sctp_sf_eat_data_fast_4_4()
3210 if (!sctp_chunk_length_valid(chunk, sctp_datachk_len(&asoc->stream))) in sctp_sf_eat_data_fast_4_4()
3214 error = sctp_eat_data(asoc, chunk, commands); in sctp_sf_eat_data_fast_4_4()
3225 return sctp_sf_abort_violation(net, ep, asoc, chunk, commands, in sctp_sf_eat_data_fast_4_4()
3226 (u8 *)chunk->subh.data_hdr, in sctp_sf_eat_data_fast_4_4()
3240 if (chunk->end_of_packet) { in sctp_sf_eat_data_fast_4_4()
3292 struct sctp_chunk *chunk = arg; in sctp_sf_eat_sack_6_2() local
3296 if (!sctp_vtag_verify(chunk, asoc)) in sctp_sf_eat_sack_6_2()
3300 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_sack_chunk))) in sctp_sf_eat_sack_6_2()
3305 sackh = sctp_sm_pull_sack(chunk); in sctp_sf_eat_sack_6_2()
3309 chunk->subh.sack_hdr = sackh; in sctp_sf_eat_sack_6_2()
3319 trace_sctp_probe(ep, asoc, chunk); in sctp_sf_eat_sack_6_2()
3335 sctp_add_cmd_sf(commands, SCTP_CMD_PROCESS_SACK, SCTP_CHUNK(chunk)); in sctp_sf_eat_sack_6_2()
3370 struct sctp_chunk *chunk = arg; in sctp_sf_tabort_8_4_8() local
3373 packet = sctp_ootb_pkt_new(net, asoc, chunk); in sctp_sf_tabort_8_4_8()
3380 abort = sctp_make_abort(asoc, chunk, 0); in sctp_sf_tabort_8_4_8()
3388 packet->vtag = ntohl(chunk->sctp_hdr->vtag); in sctp_sf_tabort_8_4_8()
3419 struct sctp_chunk *chunk = arg; in sctp_sf_operr_notify() local
3422 if (!sctp_vtag_verify(chunk, asoc)) in sctp_sf_operr_notify()
3426 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_operr_chunk))) in sctp_sf_operr_notify()
3429 sctp_walk_errors(err, chunk->chunk_hdr); in sctp_sf_operr_notify()
3430 if ((void *)err != (void *)chunk->chunk_end) in sctp_sf_operr_notify()
3435 SCTP_CHUNK(chunk)); in sctp_sf_operr_notify()
3457 struct sctp_chunk *chunk = arg; in sctp_sf_do_9_2_final() local
3461 if (!sctp_vtag_verify(chunk, asoc)) in sctp_sf_do_9_2_final()
3465 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_chunkhdr))) in sctp_sf_do_9_2_final()
3479 reply = sctp_make_shutdown_complete(asoc, chunk); in sctp_sf_do_9_2_final()
3539 struct sctp_chunk *chunk = arg; in sctp_sf_ootb() local
3540 struct sk_buff *skb = chunk->skb; in sctp_sf_ootb()
3549 ch = (struct sctp_chunkhdr *)chunk->chunk_hdr; in sctp_sf_ootb()
3634 struct sctp_chunk *chunk = arg; in sctp_sf_shut_8_4_5() local
3637 packet = sctp_ootb_pkt_new(net, asoc, chunk); in sctp_sf_shut_8_4_5()
3644 shut = sctp_make_shutdown_complete(asoc, chunk); in sctp_sf_shut_8_4_5()
3652 packet->vtag = ntohl(chunk->sctp_hdr->vtag); in sctp_sf_shut_8_4_5()
3667 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_chunkhdr))) in sctp_sf_shut_8_4_5()
3695 struct sctp_chunk *chunk = arg; in sctp_sf_do_8_5_1_E_sa() local
3698 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_chunkhdr))) in sctp_sf_do_8_5_1_E_sa()
3722 struct sctp_chunk *chunk = arg; in sctp_sf_do_asconf() local
3726 if (!sctp_vtag_verify(chunk, asoc)) { in sctp_sf_do_asconf()
3739 (!net->sctp.addip_noauth && !chunk->auth)) in sctp_sf_do_asconf()
3744 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_addip_chunk))) in sctp_sf_do_asconf()
3748 hdr = (struct sctp_addiphdr *)chunk->skb->data; in sctp_sf_do_asconf()
3752 if (!sctp_verify_asconf(asoc, chunk, true, &err_param)) in sctp_sf_do_asconf()
3764 if (!chunk->has_asconf) in sctp_sf_do_asconf()
3776 asoc, chunk); in sctp_sf_do_asconf()
3817 asconf_ack->dest = chunk->source; in sctp_sf_do_asconf()
3979 struct sctp_chunk *chunk = arg; in sctp_sf_do_reconf() local
3983 if (!sctp_vtag_verify(chunk, asoc)) { in sctp_sf_do_reconf()
3990 if (!sctp_chunk_length_valid(chunk, sizeof(*hdr))) in sctp_sf_do_reconf()
3994 if (!sctp_verify_reconf(asoc, chunk, &err_param)) in sctp_sf_do_reconf()
3998 hdr = (struct sctp_reconf_chunk *)chunk->chunk_hdr; in sctp_sf_do_reconf()
4056 struct sctp_chunk *chunk = arg; in sctp_sf_eat_fwd_tsn() local
4060 if (!sctp_vtag_verify(chunk, asoc)) { in sctp_sf_eat_fwd_tsn()
4070 if (!sctp_chunk_length_valid(chunk, sctp_ftsnchk_len(&asoc->stream))) in sctp_sf_eat_fwd_tsn()
4074 fwdtsn_hdr = (struct sctp_fwdtsn_hdr *)chunk->skb->data; in sctp_sf_eat_fwd_tsn()
4075 chunk->subh.fwdtsn_hdr = fwdtsn_hdr; in sctp_sf_eat_fwd_tsn()
4076 len = ntohs(chunk->chunk_hdr->length); in sctp_sf_eat_fwd_tsn()
4078 skb_pull(chunk->skb, len); in sctp_sf_eat_fwd_tsn()
4089 if (!asoc->stream.si->validate_ftsn(chunk)) in sctp_sf_eat_fwd_tsn()
4095 SCTP_CHUNK(chunk)); in sctp_sf_eat_fwd_tsn()
4123 struct sctp_chunk *chunk = arg; in sctp_sf_eat_fwd_tsn_fast() local
4127 if (!sctp_vtag_verify(chunk, asoc)) { in sctp_sf_eat_fwd_tsn_fast()
4137 if (!sctp_chunk_length_valid(chunk, sctp_ftsnchk_len(&asoc->stream))) in sctp_sf_eat_fwd_tsn_fast()
4141 fwdtsn_hdr = (struct sctp_fwdtsn_hdr *)chunk->skb->data; in sctp_sf_eat_fwd_tsn_fast()
4142 chunk->subh.fwdtsn_hdr = fwdtsn_hdr; in sctp_sf_eat_fwd_tsn_fast()
4143 len = ntohs(chunk->chunk_hdr->length); in sctp_sf_eat_fwd_tsn_fast()
4145 skb_pull(chunk->skb, len); in sctp_sf_eat_fwd_tsn_fast()
4156 if (!asoc->stream.si->validate_ftsn(chunk)) in sctp_sf_eat_fwd_tsn_fast()
4162 SCTP_CHUNK(chunk)); in sctp_sf_eat_fwd_tsn_fast()
4204 struct sctp_chunk *chunk) in sctp_sf_authenticate() argument
4214 auth_hdr = (struct sctp_authhdr *)chunk->skb->data; in sctp_sf_authenticate()
4215 chunk->subh.auth_hdr = auth_hdr; in sctp_sf_authenticate()
4216 skb_pull(chunk->skb, sizeof(*auth_hdr)); in sctp_sf_authenticate()
4237 sig_len = ntohs(chunk->chunk_hdr->length) - in sctp_sf_authenticate()
4251 skb_pull(chunk->skb, sig_len); in sctp_sf_authenticate()
4259 sctp_auth_calculate_hmac(asoc, chunk->skb, in sctp_sf_authenticate()
4260 (struct sctp_auth_chunk *)chunk->chunk_hdr, in sctp_sf_authenticate()
4270 chunk->auth = 1; in sctp_sf_authenticate()
4283 struct sctp_chunk *chunk = arg; in sctp_sf_eat_auth() local
4292 if (!sctp_vtag_verify(chunk, asoc)) { in sctp_sf_eat_auth()
4299 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_auth_chunk))) in sctp_sf_eat_auth()
4303 auth_hdr = (struct sctp_authhdr *)chunk->skb->data; in sctp_sf_eat_auth()
4304 error = sctp_sf_authenticate(asoc, chunk); in sctp_sf_eat_auth()
4310 err_chunk = sctp_make_op_error(asoc, chunk, in sctp_sf_eat_auth()
4384 pr_debug("%s: processing unknown chunk id:%d\n", __func__, type.chunk); in sctp_sf_unk_chunk()
4397 switch (type.chunk & SCTP_CID_ACTION_MASK) { in sctp_sf_unk_chunk()
4460 struct sctp_chunk *chunk = arg; in sctp_sf_discard_chunk() local
4466 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_chunkhdr))) in sctp_sf_discard_chunk()
4470 pr_debug("%s: chunk:%d is discarded\n", __func__, type.chunk); in sctp_sf_discard_chunk()
4527 struct sctp_chunk *chunk = arg; in sctp_sf_violation() local
4530 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_chunkhdr))) in sctp_sf_violation()
4550 struct sctp_chunk *chunk = arg; in sctp_sf_abort_violation() local
4568 abort = sctp_make_abort_violation(asoc, chunk, payload, paylen); in sctp_sf_abort_violation()
4574 if (chunk->chunk_hdr->type == SCTP_CID_INIT_ACK && in sctp_sf_abort_violation()
4578 initack = (struct sctp_initack_chunk *)chunk->chunk_hdr; in sctp_sf_abort_violation()
4579 if (!sctp_chunk_length_valid(chunk, sizeof(*initack))) in sctp_sf_abort_violation()
4608 packet = sctp_ootb_pkt_new(net, asoc, chunk); in sctp_sf_abort_violation()
4614 packet->vtag = ntohl(chunk->sctp_hdr->vtag); in sctp_sf_abort_violation()
4687 struct sctp_chunk *chunk = arg; in sctp_sf_violation_paramlen() local
4693 abort = sctp_make_violation_paramlen(asoc, chunk, param); in sctp_sf_violation_paramlen()
5375 struct sctp_chunk *chunk = arg; in sctp_sf_do_prm_asconf() local
5377 sctp_add_cmd_sf(commands, SCTP_CMD_SETUP_T4, SCTP_CHUNK(chunk)); in sctp_sf_do_prm_asconf()
5380 sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(chunk)); in sctp_sf_do_prm_asconf()
5392 struct sctp_chunk *chunk = arg; in sctp_sf_do_prm_reconf() local
5394 sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(chunk)); in sctp_sf_do_prm_reconf()
5537 struct sctp_chunk *chunk = arg; in sctp_sf_do_9_2_shutdown_ack() local
5547 if (chunk) { in sctp_sf_do_9_2_shutdown_ack()
5548 if (!sctp_vtag_verify(chunk, asoc)) in sctp_sf_do_9_2_shutdown_ack()
5554 chunk, sizeof(struct sctp_shutdown_chunk))) in sctp_sf_do_9_2_shutdown_ack()
5562 reply = sctp_make_shutdown_ack(asoc, chunk); in sctp_sf_do_9_2_shutdown_ack()
5945 struct sctp_chunk *chunk = asoc->addip_last_asconf; in sctp_sf_t4_timer_expire() local
5946 struct sctp_transport *transport = chunk->transport; in sctp_sf_t4_timer_expire()
5959 sctp_add_cmd_sf(commands, SCTP_CMD_SETUP_T4, SCTP_CHUNK(chunk)); in sctp_sf_t4_timer_expire()
6134 pr_debug("%s: timer %d ignored\n", __func__, type.chunk); in sctp_sf_timer_ignore()
6144 static struct sctp_sackhdr *sctp_sm_pull_sack(struct sctp_chunk *chunk) in sctp_sm_pull_sack() argument
6154 sack = (struct sctp_sackhdr *) chunk->skb->data; in sctp_sm_pull_sack()
6160 if (len > chunk->skb->len) in sctp_sm_pull_sack()
6163 skb_pull(chunk->skb, len); in sctp_sm_pull_sack()
6175 struct sctp_chunk *chunk, in sctp_abort_pkt_new() argument
6181 packet = sctp_ootb_pkt_new(net, asoc, chunk); in sctp_abort_pkt_new()
6187 abort = sctp_make_abort(asoc, chunk, paylen); in sctp_abort_pkt_new()
6195 packet->vtag = ntohl(chunk->sctp_hdr->vtag); in sctp_abort_pkt_new()
6216 const struct sctp_chunk *chunk) in sctp_ootb_pkt_new() argument
6224 sport = ntohs(chunk->sctp_hdr->dest); in sctp_ootb_pkt_new()
6225 dport = ntohs(chunk->sctp_hdr->source); in sctp_ootb_pkt_new()
6234 switch (chunk->chunk_hdr->type) { in sctp_ootb_pkt_new()
6239 initack = (struct sctp_initack_chunk *)chunk->chunk_hdr; in sctp_ootb_pkt_new()
6251 switch (chunk->chunk_hdr->type) { in sctp_ootb_pkt_new()
6256 init = (struct sctp_init_chunk *)chunk->chunk_hdr; in sctp_ootb_pkt_new()
6261 vtag = ntohl(chunk->sctp_hdr->vtag); in sctp_ootb_pkt_new()
6267 transport = sctp_transport_new(net, sctp_source(chunk), GFP_ATOMIC); in sctp_ootb_pkt_new()
6274 sctp_transport_route(transport, (union sctp_addr *)&chunk->dest, in sctp_ootb_pkt_new()
6297 const struct sctp_chunk *chunk, in sctp_send_stale_cookie_err() argument
6304 packet = sctp_ootb_pkt_new(net, asoc, chunk); in sctp_send_stale_cookie_err()
6309 cookie = chunk->subh.cookie_hdr; in sctp_send_stale_cookie_err()
6326 struct sctp_chunk *chunk, in sctp_eat_data() argument
6339 data_hdr = (struct sctp_datahdr *)chunk->skb->data; in sctp_eat_data()
6340 chunk->subh.data_hdr = data_hdr; in sctp_eat_data()
6341 skb_pull(chunk->skb, sctp_datahdr_len(&asoc->stream)); in sctp_eat_data()
6358 if (asoc->peer.ecn_capable && !chunk->ecn_ce_done) { in sctp_eat_data()
6359 struct sctp_af *af = SCTP_INPUT_CB(chunk->skb)->af; in sctp_eat_data()
6360 chunk->ecn_ce_done = 1; in sctp_eat_data()
6362 if (af->is_ce(sctp_gso_headskb(chunk->skb))) { in sctp_eat_data()
6374 if (chunk->asoc) in sctp_eat_data()
6375 chunk->asoc->stats.outofseqtsns++; in sctp_eat_data()
6388 datalen = ntohs(chunk->chunk_hdr->length); in sctp_eat_data()
6407 if ((!chunk->data_accepted) && (!asoc->rwnd || asoc->rwnd_over || in sctp_eat_data()
6455 err = sctp_make_abort_no_data(asoc, chunk, tsn); in sctp_eat_data()
6473 chunk->data_accepted = 1; in sctp_eat_data()
6478 if (chunk->chunk_hdr->flags & SCTP_DATA_UNORDERED) { in sctp_eat_data()
6480 if (chunk->asoc) in sctp_eat_data()
6481 chunk->asoc->stats.iuodchunks++; in sctp_eat_data()
6484 if (chunk->asoc) in sctp_eat_data()
6485 chunk->asoc->stats.iodchunks++; in sctp_eat_data()
6500 err = sctp_make_op_error(asoc, chunk, SCTP_ERROR_INV_STRM, in sctp_eat_data()
6517 if (!asoc->stream.si->validate_data(chunk)) in sctp_eat_data()
6524 sctp_add_cmd_sf(commands, deliver, SCTP_CHUNK(chunk)); in sctp_eat_data()