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,
97 static struct sctp_sackhdr *sctp_sm_pull_sack(struct sctp_chunk *chunk);
149 struct sctp_chunk *chunk);
172 static inline bool sctp_chunk_length_valid(struct sctp_chunk *chunk, in sctp_chunk_length_valid() argument
175 __u16 chunk_length = ntohs(chunk->chunk_hdr->length); in sctp_chunk_length_valid()
178 if (unlikely(chunk->pdiscard)) in sctp_chunk_length_valid()
187 static inline bool sctp_err_chunk_valid(struct sctp_chunk *chunk) in sctp_err_chunk_valid() argument
191 sctp_walk_errors(err, chunk->chunk_hdr); in sctp_err_chunk_valid()
193 return (void *)err == (void *)chunk->chunk_end; in sctp_err_chunk_valid()
237 struct sctp_chunk *chunk = arg; in sctp_sf_do_4_C() local
240 if (!sctp_vtag_verify_either(chunk, asoc)) in sctp_sf_do_4_C()
248 if (!chunk->singleton) in sctp_sf_do_4_C()
252 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_chunkhdr))) in sctp_sf_do_4_C()
323 struct sctp_chunk *chunk = arg, *repl, *err_chunk; in sctp_sf_do_5_1B_init() local
338 if (!chunk->singleton) in sctp_sf_do_5_1B_init()
346 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_init_chunk))) in sctp_sf_do_5_1B_init()
360 if (chunk->sctp_hdr->vtag != 0) 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()
375 (struct sctp_init_chunk *)chunk->chunk_hdr, chunk, in sctp_sf_do_5_1B_init()
404 chunk->subh.init_hdr = (struct sctp_inithdr *)chunk->skb->data; in sctp_sf_do_5_1B_init()
407 chunk->param_hdr.v = skb_pull(chunk->skb, sizeof(struct sctp_inithdr)); in sctp_sf_do_5_1B_init()
409 new_asoc = sctp_make_temp_asoc(ep, chunk, GFP_ATOMIC); in sctp_sf_do_5_1B_init()
414 if (security_sctp_assoc_request(new_asoc, chunk->skb)) { in sctp_sf_do_5_1B_init()
420 sctp_scope(sctp_source(chunk)), in sctp_sf_do_5_1B_init()
425 if (!sctp_process_init(new_asoc, chunk, sctp_source(chunk), in sctp_sf_do_5_1B_init()
426 (struct sctp_init_chunk *)chunk->chunk_hdr, in sctp_sf_do_5_1B_init()
440 repl = sctp_make_init_ack(new_asoc, chunk, GFP_ATOMIC, len); in sctp_sf_do_5_1B_init()
524 struct sctp_chunk *chunk = arg; in sctp_sf_do_5_1C_ack() local
528 if (!sctp_vtag_verify(chunk, asoc)) in sctp_sf_do_5_1C_ack()
535 if (!chunk->singleton) in sctp_sf_do_5_1C_ack()
539 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_initack_chunk))) in sctp_sf_do_5_1C_ack()
543 chunk->subh.init_hdr = (struct sctp_inithdr *)chunk->skb->data; 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()
548 (struct sctp_init_chunk *)chunk->chunk_hdr, chunk, in sctp_sf_do_5_1C_ack()
591 asoc, chunk->transport); in sctp_sf_do_5_1C_ack()
597 chunk->param_hdr.v = skb_pull(chunk->skb, sizeof(struct sctp_inithdr)); in sctp_sf_do_5_1C_ack()
599 initchunk = (struct sctp_init_chunk *)chunk->chunk_hdr; 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
640 if (!chunk->auth_chunk) in sctp_auth_chunk_verify()
655 auth.skb = chunk->auth_chunk; in sctp_auth_chunk_verify()
656 auth.asoc = chunk->asoc; in sctp_auth_chunk_verify()
657 auth.sctp_hdr = chunk->sctp_hdr; in sctp_auth_chunk_verify()
659 skb_push(chunk->auth_chunk, in sctp_auth_chunk_verify()
661 skb_pull(chunk->auth_chunk, sizeof(struct sctp_chunkhdr)); in sctp_auth_chunk_verify()
662 auth.transport = chunk->transport; in sctp_auth_chunk_verify()
708 struct sctp_chunk *chunk = arg; in sctp_sf_do_5_1D_ce() local
714 if (asoc && !sctp_vtag_verify(chunk, asoc)) in sctp_sf_do_5_1D_ce()
730 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_chunkhdr))) in sctp_sf_do_5_1D_ce()
746 chunk->subh.cookie_hdr = in sctp_sf_do_5_1D_ce()
747 (struct sctp_signed_cookie *)chunk->skb->data; in sctp_sf_do_5_1D_ce()
748 if (!pskb_pull(chunk->skb, ntohs(chunk->chunk_hdr->length) - in sctp_sf_do_5_1D_ce()
756 new_asoc = sctp_unpack_cookie(ep, asoc, chunk, GFP_ATOMIC, &error, 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()
784 if (security_sctp_assoc_request(new_asoc, chunk->skb)) { in sctp_sf_do_5_1D_ce()
797 peer_init = &chunk->subh.cookie_hdr->c.peer_init[0]; in sctp_sf_do_5_1D_ce()
799 if (!sctp_process_init(new_asoc, chunk, in sctp_sf_do_5_1D_ce()
800 &chunk->subh.cookie_hdr->c.peer_addr, in sctp_sf_do_5_1D_ce()
812 if (!sctp_auth_chunk_verify(net, chunk, new_asoc)) { in sctp_sf_do_5_1D_ce()
817 repl = sctp_make_cookie_ack(new_asoc, chunk); in sctp_sf_do_5_1D_ce()
927 struct sctp_chunk *chunk = arg; in sctp_sf_do_5_1E_ca() local
930 if (!sctp_vtag_verify(chunk, asoc)) in sctp_sf_do_5_1E_ca()
936 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_chunkhdr))) in sctp_sf_do_5_1E_ca()
949 security_inet_conn_established(ep->base.sk, chunk->skb); in sctp_sf_do_5_1E_ca()
1170 struct sctp_chunk *chunk = arg; in sctp_sf_beat_8_3() local
1174 if (!sctp_vtag_verify(chunk, asoc)) in sctp_sf_beat_8_3()
1178 if (!sctp_chunk_length_valid(chunk, in sctp_sf_beat_8_3()
1187 chunk->subh.hb_hdr = (struct sctp_heartbeathdr *)chunk->skb->data; in sctp_sf_beat_8_3()
1188 param_hdr = (struct sctp_paramhdr *)chunk->subh.hb_hdr; in sctp_sf_beat_8_3()
1189 paylen = ntohs(chunk->chunk_hdr->length) - sizeof(struct sctp_chunkhdr); in sctp_sf_beat_8_3()
1195 if (!pskb_pull(chunk->skb, paylen)) in sctp_sf_beat_8_3()
1198 reply = sctp_make_heartbeat_ack(asoc, chunk, param_hdr, paylen); in sctp_sf_beat_8_3()
1245 struct sctp_chunk *chunk = arg; in sctp_sf_backbeat_8_3() local
1250 if (!sctp_vtag_verify(chunk, asoc)) in sctp_sf_backbeat_8_3()
1254 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_chunkhdr) + in sctp_sf_backbeat_8_3()
1259 hbinfo = (struct sctp_sender_hb_info *)chunk->skb->data; in sctp_sf_backbeat_8_3()
1518 struct sctp_chunk *chunk = arg, *repl, *err_chunk; in sctp_sf_do_unexpected_init() local
1534 if (!chunk->singleton) in sctp_sf_do_unexpected_init()
1538 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_init_chunk))) in sctp_sf_do_unexpected_init()
1544 if (chunk->sctp_hdr->vtag != 0) in sctp_sf_do_unexpected_init()
1547 if (SCTP_INPUT_CB(chunk->skb)->encap_port != chunk->transport->encap_port) in sctp_sf_do_unexpected_init()
1551 chunk->subh.init_hdr = (struct sctp_inithdr *)chunk->skb->data; in sctp_sf_do_unexpected_init()
1554 chunk->param_hdr.v = skb_pull(chunk->skb, sizeof(struct sctp_inithdr)); in sctp_sf_do_unexpected_init()
1558 if (!sctp_verify_init(net, ep, asoc, chunk->chunk_hdr->type, in sctp_sf_do_unexpected_init()
1559 (struct sctp_init_chunk *)chunk->chunk_hdr, chunk, in sctp_sf_do_unexpected_init()
1593 new_asoc = sctp_make_temp_asoc(ep, chunk, GFP_ATOMIC); in sctp_sf_do_unexpected_init()
1598 if (security_sctp_assoc_request(new_asoc, chunk->skb)) { in sctp_sf_do_unexpected_init()
1604 sctp_scope(sctp_source(chunk)), GFP_ATOMIC) < 0) in sctp_sf_do_unexpected_init()
1611 if (!sctp_process_init(new_asoc, chunk, sctp_source(chunk), in sctp_sf_do_unexpected_init()
1612 (struct sctp_init_chunk *)chunk->chunk_hdr, in sctp_sf_do_unexpected_init()
1622 if (!sctp_sf_check_restart_addrs(new_asoc, asoc, chunk, in sctp_sf_do_unexpected_init()
1642 repl = sctp_make_init_ack(new_asoc, chunk, GFP_ATOMIC, len); in sctp_sf_do_unexpected_init()
1858 struct sctp_chunk *chunk, in sctp_sf_do_dupcook_a() argument
1871 peer_init = &chunk->subh.cookie_hdr->c.peer_init[0]; in sctp_sf_do_dupcook_a()
1873 if (!sctp_process_init(new_asoc, chunk, sctp_source(chunk), peer_init, in sctp_sf_do_dupcook_a()
1880 if (!sctp_auth_chunk_verify(net, chunk, new_asoc)) in sctp_sf_do_dupcook_a()
1887 if (!sctp_sf_check_restart_addrs(new_asoc, asoc, chunk, commands)) in sctp_sf_do_dupcook_a()
1898 SCTP_ST_CHUNK(chunk->chunk_hdr->type), in sctp_sf_do_dupcook_a()
1899 chunk, commands); in sctp_sf_do_dupcook_a()
1903 err = sctp_make_op_error(asoc, chunk, in sctp_sf_do_dupcook_a()
1932 repl = sctp_make_cookie_ack(asoc, chunk); in sctp_sf_do_dupcook_a()
1982 struct sctp_chunk *chunk, in sctp_sf_do_dupcook_b() argument
1992 peer_init = &chunk->subh.cookie_hdr->c.peer_init[0]; in sctp_sf_do_dupcook_b()
1993 if (!sctp_process_init(new_asoc, chunk, sctp_source(chunk), peer_init, in sctp_sf_do_dupcook_b()
2000 if (!sctp_auth_chunk_verify(net, chunk, new_asoc)) in sctp_sf_do_dupcook_b()
2013 repl = sctp_make_cookie_ack(asoc, chunk); in sctp_sf_do_dupcook_b()
2066 struct sctp_chunk *chunk, in sctp_sf_do_dupcook_c() argument
2089 struct sctp_chunk *chunk, in sctp_sf_do_dupcook_d() argument
2103 if (!sctp_auth_chunk_verify(net, chunk, asoc)) in sctp_sf_do_dupcook_d()
2153 repl = sctp_make_cookie_ack(asoc, chunk); in sctp_sf_do_dupcook_d()
2206 struct sctp_chunk *chunk = arg; in sctp_sf_do_5_2_4_dupcook() local
2217 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_chunkhdr))) { in sctp_sf_do_5_2_4_dupcook()
2218 if (!sctp_vtag_verify(chunk, asoc)) in sctp_sf_do_5_2_4_dupcook()
2226 chunk->subh.cookie_hdr = (struct sctp_signed_cookie *)chunk->skb->data; in sctp_sf_do_5_2_4_dupcook()
2227 if (!pskb_pull(chunk->skb, ntohs(chunk->chunk_hdr->length) - in sctp_sf_do_5_2_4_dupcook()
2236 new_asoc = sctp_unpack_cookie(ep, asoc, chunk, GFP_ATOMIC, &error, in sctp_sf_do_5_2_4_dupcook()
2254 sctp_send_stale_cookie_err(net, ep, asoc, chunk, commands, in sctp_sf_do_5_2_4_dupcook()
2264 if (security_sctp_assoc_request(new_asoc, chunk->skb)) { in sctp_sf_do_5_2_4_dupcook()
2279 retval = sctp_sf_do_dupcook_a(net, ep, asoc, chunk, commands, in sctp_sf_do_5_2_4_dupcook()
2284 retval = sctp_sf_do_dupcook_b(net, ep, asoc, chunk, commands, in sctp_sf_do_5_2_4_dupcook()
2289 retval = sctp_sf_do_dupcook_c(net, ep, asoc, chunk, commands, in sctp_sf_do_5_2_4_dupcook()
2294 retval = sctp_sf_do_dupcook_d(net, ep, asoc, chunk, commands, in sctp_sf_do_5_2_4_dupcook()
2332 struct sctp_chunk *chunk = arg; in sctp_sf_shutdown_pending_abort() local
2334 if (!sctp_vtag_verify_either(chunk, asoc)) in sctp_sf_shutdown_pending_abort()
2347 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_abort_chunk))) in sctp_sf_shutdown_pending_abort()
2356 sctp_bind_addr_state(&asoc->base.bind_addr, &chunk->dest)) in sctp_sf_shutdown_pending_abort()
2359 if (!sctp_err_chunk_valid(chunk)) in sctp_sf_shutdown_pending_abort()
2378 struct sctp_chunk *chunk = arg; in sctp_sf_shutdown_sent_abort() local
2380 if (!sctp_vtag_verify_either(chunk, asoc)) in sctp_sf_shutdown_sent_abort()
2393 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_abort_chunk))) in sctp_sf_shutdown_sent_abort()
2402 sctp_bind_addr_state(&asoc->base.bind_addr, &chunk->dest)) in sctp_sf_shutdown_sent_abort()
2405 if (!sctp_err_chunk_valid(chunk)) in sctp_sf_shutdown_sent_abort()
2460 struct sctp_chunk *chunk = arg; in sctp_sf_cookie_echoed_err() local
2463 if (!sctp_vtag_verify(chunk, asoc)) in sctp_sf_cookie_echoed_err()
2469 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_operr_chunk))) in sctp_sf_cookie_echoed_err()
2478 sctp_walk_errors(err, chunk->chunk_hdr) { in sctp_sf_cookie_echoed_err()
2526 struct sctp_chunk *chunk = arg, *reply; in sctp_sf_do_5_2_6_stale() local
2540 err = (struct sctp_errhdr *)(chunk->skb->data); in sctp_sf_do_5_2_6_stale()
2648 struct sctp_chunk *chunk = arg; in sctp_sf_do_9_1_abort() local
2650 if (!sctp_vtag_verify_either(chunk, asoc)) in sctp_sf_do_9_1_abort()
2663 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_abort_chunk))) in sctp_sf_do_9_1_abort()
2672 sctp_bind_addr_state(&asoc->base.bind_addr, &chunk->dest)) in sctp_sf_do_9_1_abort()
2675 if (!sctp_err_chunk_valid(chunk)) in sctp_sf_do_9_1_abort()
2690 struct sctp_chunk *chunk = arg; in __sctp_sf_do_9_1_abort() local
2694 len = ntohs(chunk->chunk_hdr->length); in __sctp_sf_do_9_1_abort()
2696 error = ((struct sctp_errhdr *)chunk->skb->data)->cause; in __sctp_sf_do_9_1_abort()
2721 struct sctp_chunk *chunk = arg; in sctp_sf_cookie_wait_abort() local
2724 if (!sctp_vtag_verify_either(chunk, asoc)) in sctp_sf_cookie_wait_abort()
2737 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_abort_chunk))) in sctp_sf_cookie_wait_abort()
2741 len = ntohs(chunk->chunk_hdr->length); in sctp_sf_cookie_wait_abort()
2743 error = ((struct sctp_errhdr *)chunk->skb->data)->cause; in sctp_sf_cookie_wait_abort()
2746 chunk->transport); in sctp_sf_cookie_wait_abort()
2851 struct sctp_chunk *chunk = arg; in sctp_sf_do_9_2_shutdown() local
2856 if (!sctp_vtag_verify(chunk, asoc)) in sctp_sf_do_9_2_shutdown()
2860 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_shutdown_chunk))) in sctp_sf_do_9_2_shutdown()
2865 sdh = (struct sctp_shutdownhdr *)chunk->skb->data; in sctp_sf_do_9_2_shutdown()
2866 skb_pull(chunk->skb, sizeof(*sdh)); in sctp_sf_do_9_2_shutdown()
2867 chunk->subh.shutdown_hdr = sdh; in sctp_sf_do_9_2_shutdown()
2918 SCTP_BE32(chunk->subh.shutdown_hdr->cum_tsn_ack)); in sctp_sf_do_9_2_shutdown()
2940 struct sctp_chunk *chunk = arg; in sctp_sf_do_9_2_shut_ctsn() local
2944 if (!sctp_vtag_verify(chunk, asoc)) in sctp_sf_do_9_2_shut_ctsn()
2948 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_shutdown_chunk))) in sctp_sf_do_9_2_shut_ctsn()
2952 sdh = (struct sctp_shutdownhdr *)chunk->skb->data; in sctp_sf_do_9_2_shut_ctsn()
2992 struct sctp_chunk *chunk = arg; in __sctp_sf_do_9_2_reshutack() local
2996 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_chunkhdr))) in __sctp_sf_do_9_2_reshutack()
3004 reply = sctp_make_shutdown_ack(asoc, chunk); in __sctp_sf_do_9_2_reshutack()
3030 struct sctp_chunk *chunk = arg; in sctp_sf_do_9_2_reshutack() local
3032 if (!chunk->singleton) in sctp_sf_do_9_2_reshutack()
3035 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_init_chunk))) in sctp_sf_do_9_2_reshutack()
3038 if (chunk->sctp_hdr->vtag != 0) in sctp_sf_do_9_2_reshutack()
3076 struct sctp_chunk *chunk = arg; in sctp_sf_do_ecn_cwr() local
3080 if (!sctp_vtag_verify(chunk, asoc)) in sctp_sf_do_ecn_cwr()
3083 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_ecne_chunk))) in sctp_sf_do_ecn_cwr()
3087 cwr = (struct sctp_cwrhdr *)chunk->skb->data; in sctp_sf_do_ecn_cwr()
3088 skb_pull(chunk->skb, sizeof(*cwr)); in sctp_sf_do_ecn_cwr()
3131 struct sctp_chunk *chunk = arg; in sctp_sf_do_ecne() local
3134 if (!sctp_vtag_verify(chunk, asoc)) in sctp_sf_do_ecne()
3137 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_ecne_chunk))) in sctp_sf_do_ecne()
3141 ecne = (struct sctp_ecnehdr *)chunk->skb->data; in sctp_sf_do_ecne()
3142 skb_pull(chunk->skb, sizeof(*ecne)); in sctp_sf_do_ecne()
3189 struct sctp_chunk *chunk = arg; in sctp_sf_eat_data_6_2() local
3192 if (!sctp_vtag_verify(chunk, asoc)) { in sctp_sf_eat_data_6_2()
3198 if (!sctp_chunk_length_valid(chunk, sctp_datachk_len(&asoc->stream))) in sctp_sf_eat_data_6_2()
3202 error = sctp_eat_data(asoc, chunk, commands); in sctp_sf_eat_data_6_2()
3217 return sctp_sf_abort_violation(net, ep, asoc, chunk, commands, in sctp_sf_eat_data_6_2()
3218 (u8 *)chunk->subh.data_hdr, in sctp_sf_eat_data_6_2()
3224 if (chunk->chunk_hdr->flags & SCTP_DATA_SACK_IMM) in sctp_sf_eat_data_6_2()
3254 if (chunk->end_of_packet) in sctp_sf_eat_data_6_2()
3274 if (chunk->end_of_packet) in sctp_sf_eat_data_6_2()
3279 if (chunk->end_of_packet) in sctp_sf_eat_data_6_2()
3309 struct sctp_chunk *chunk = arg; in sctp_sf_eat_data_fast_4_4() local
3312 if (!sctp_vtag_verify(chunk, asoc)) { in sctp_sf_eat_data_fast_4_4()
3318 if (!sctp_chunk_length_valid(chunk, sctp_datachk_len(&asoc->stream))) in sctp_sf_eat_data_fast_4_4()
3322 error = sctp_eat_data(asoc, chunk, commands); in sctp_sf_eat_data_fast_4_4()
3333 return sctp_sf_abort_violation(net, ep, asoc, chunk, commands, in sctp_sf_eat_data_fast_4_4()
3334 (u8 *)chunk->subh.data_hdr, in sctp_sf_eat_data_fast_4_4()
3348 if (chunk->end_of_packet) { in sctp_sf_eat_data_fast_4_4()
3400 struct sctp_chunk *chunk = arg; in sctp_sf_eat_sack_6_2() local
3404 if (!sctp_vtag_verify(chunk, asoc)) in sctp_sf_eat_sack_6_2()
3408 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_sack_chunk))) in sctp_sf_eat_sack_6_2()
3413 sackh = sctp_sm_pull_sack(chunk); in sctp_sf_eat_sack_6_2()
3417 chunk->subh.sack_hdr = sackh; in sctp_sf_eat_sack_6_2()
3427 trace_sctp_probe(ep, asoc, chunk); in sctp_sf_eat_sack_6_2()
3443 sctp_add_cmd_sf(commands, SCTP_CMD_PROCESS_SACK, SCTP_CHUNK(chunk)); in sctp_sf_eat_sack_6_2()
3478 struct sctp_chunk *chunk = arg; in sctp_sf_tabort_8_4_8() local
3481 packet = sctp_ootb_pkt_new(net, asoc, chunk); in sctp_sf_tabort_8_4_8()
3488 abort = sctp_make_abort(asoc, chunk, 0); in sctp_sf_tabort_8_4_8()
3496 packet->vtag = ntohl(chunk->sctp_hdr->vtag); in sctp_sf_tabort_8_4_8()
3525 struct sctp_chunk *chunk = arg; in sctp_sf_new_encap_port() local
3528 packet = sctp_ootb_pkt_new(net, asoc, chunk); in sctp_sf_new_encap_port()
3532 abort = sctp_make_new_encap_port(asoc, chunk); in sctp_sf_new_encap_port()
3566 struct sctp_chunk *chunk = arg; in sctp_sf_operr_notify() local
3569 if (!sctp_vtag_verify(chunk, asoc)) in sctp_sf_operr_notify()
3573 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_operr_chunk))) in sctp_sf_operr_notify()
3576 sctp_walk_errors(err, chunk->chunk_hdr); in sctp_sf_operr_notify()
3577 if ((void *)err != (void *)chunk->chunk_end) in sctp_sf_operr_notify()
3582 SCTP_CHUNK(chunk)); in sctp_sf_operr_notify()
3604 struct sctp_chunk *chunk = arg; in sctp_sf_do_9_2_final() local
3608 if (!sctp_vtag_verify(chunk, asoc)) in sctp_sf_do_9_2_final()
3612 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_chunkhdr))) in sctp_sf_do_9_2_final()
3626 reply = sctp_make_shutdown_complete(asoc, chunk); in sctp_sf_do_9_2_final()
3686 struct sctp_chunk *chunk = arg; in sctp_sf_ootb() local
3687 struct sk_buff *skb = chunk->skb; in sctp_sf_ootb()
3696 if (asoc && !sctp_vtag_verify(chunk, asoc)) in sctp_sf_ootb()
3699 ch = (struct sctp_chunkhdr *)chunk->chunk_hdr; in sctp_sf_ootb()
3784 struct sctp_chunk *chunk = arg; in sctp_sf_shut_8_4_5() local
3787 packet = sctp_ootb_pkt_new(net, asoc, chunk); in sctp_sf_shut_8_4_5()
3794 shut = sctp_make_shutdown_complete(asoc, chunk); in sctp_sf_shut_8_4_5()
3802 packet->vtag = ntohl(chunk->sctp_hdr->vtag); in sctp_sf_shut_8_4_5()
3839 struct sctp_chunk *chunk = arg; in sctp_sf_do_8_5_1_E_sa() local
3841 if (!sctp_vtag_verify(chunk, asoc)) in sctp_sf_do_8_5_1_E_sa()
3845 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_chunkhdr))) in sctp_sf_do_8_5_1_E_sa()
3869 struct sctp_chunk *chunk = arg; in sctp_sf_do_asconf() local
3873 if (!sctp_vtag_verify(chunk, asoc)) { in sctp_sf_do_asconf()
3880 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_addip_chunk))) in sctp_sf_do_asconf()
3891 (!net->sctp.addip_noauth && !chunk->auth)) in sctp_sf_do_asconf()
3894 hdr = (struct sctp_addiphdr *)chunk->skb->data; in sctp_sf_do_asconf()
3898 if (!sctp_verify_asconf(asoc, chunk, true, &err_param)) in sctp_sf_do_asconf()
3910 if (!chunk->has_asconf) in sctp_sf_do_asconf()
3922 asoc, chunk); in sctp_sf_do_asconf()
3963 asconf_ack->dest = chunk->source; in sctp_sf_do_asconf()
4124 struct sctp_chunk *chunk = arg; in sctp_sf_do_reconf() local
4128 if (!sctp_vtag_verify(chunk, asoc)) { in sctp_sf_do_reconf()
4135 if (!sctp_chunk_length_valid(chunk, sizeof(*hdr))) in sctp_sf_do_reconf()
4139 if (!sctp_verify_reconf(asoc, chunk, &err_param)) in sctp_sf_do_reconf()
4143 hdr = (struct sctp_reconf_chunk *)chunk->chunk_hdr; in sctp_sf_do_reconf()
4201 struct sctp_chunk *chunk = arg; in sctp_sf_eat_fwd_tsn() local
4205 if (!sctp_vtag_verify(chunk, asoc)) { in sctp_sf_eat_fwd_tsn()
4215 if (!sctp_chunk_length_valid(chunk, sctp_ftsnchk_len(&asoc->stream))) in sctp_sf_eat_fwd_tsn()
4219 fwdtsn_hdr = (struct sctp_fwdtsn_hdr *)chunk->skb->data; in sctp_sf_eat_fwd_tsn()
4220 chunk->subh.fwdtsn_hdr = fwdtsn_hdr; in sctp_sf_eat_fwd_tsn()
4221 len = ntohs(chunk->chunk_hdr->length); in sctp_sf_eat_fwd_tsn()
4223 skb_pull(chunk->skb, len); in sctp_sf_eat_fwd_tsn()
4234 if (!asoc->stream.si->validate_ftsn(chunk)) in sctp_sf_eat_fwd_tsn()
4240 SCTP_CHUNK(chunk)); in sctp_sf_eat_fwd_tsn()
4268 struct sctp_chunk *chunk = arg; in sctp_sf_eat_fwd_tsn_fast() local
4272 if (!sctp_vtag_verify(chunk, asoc)) { in sctp_sf_eat_fwd_tsn_fast()
4282 if (!sctp_chunk_length_valid(chunk, sctp_ftsnchk_len(&asoc->stream))) in sctp_sf_eat_fwd_tsn_fast()
4286 fwdtsn_hdr = (struct sctp_fwdtsn_hdr *)chunk->skb->data; in sctp_sf_eat_fwd_tsn_fast()
4287 chunk->subh.fwdtsn_hdr = fwdtsn_hdr; in sctp_sf_eat_fwd_tsn_fast()
4288 len = ntohs(chunk->chunk_hdr->length); in sctp_sf_eat_fwd_tsn_fast()
4290 skb_pull(chunk->skb, len); in sctp_sf_eat_fwd_tsn_fast()
4301 if (!asoc->stream.si->validate_ftsn(chunk)) in sctp_sf_eat_fwd_tsn_fast()
4307 SCTP_CHUNK(chunk)); in sctp_sf_eat_fwd_tsn_fast()
4349 struct sctp_chunk *chunk) in sctp_sf_authenticate() argument
4359 auth_hdr = (struct sctp_authhdr *)chunk->skb->data; in sctp_sf_authenticate()
4360 chunk->subh.auth_hdr = auth_hdr; in sctp_sf_authenticate()
4361 skb_pull(chunk->skb, sizeof(*auth_hdr)); in sctp_sf_authenticate()
4382 sig_len = ntohs(chunk->chunk_hdr->length) - in sctp_sf_authenticate()
4396 skb_pull(chunk->skb, sig_len); in sctp_sf_authenticate()
4404 sctp_auth_calculate_hmac(asoc, chunk->skb, in sctp_sf_authenticate()
4405 (struct sctp_auth_chunk *)chunk->chunk_hdr, in sctp_sf_authenticate()
4415 chunk->auth = 1; in sctp_sf_authenticate()
4428 struct sctp_chunk *chunk = arg; in sctp_sf_eat_auth() local
4437 if (!sctp_vtag_verify(chunk, asoc)) { in sctp_sf_eat_auth()
4444 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_auth_chunk))) in sctp_sf_eat_auth()
4448 auth_hdr = (struct sctp_authhdr *)chunk->skb->data; in sctp_sf_eat_auth()
4449 error = sctp_sf_authenticate(asoc, chunk); in sctp_sf_eat_auth()
4455 err_chunk = sctp_make_op_error(asoc, chunk, in sctp_sf_eat_auth()
4529 pr_debug("%s: processing unknown chunk id:%d\n", __func__, type.chunk); in sctp_sf_unk_chunk()
4542 switch (type.chunk & SCTP_CID_ACTION_MASK) { in sctp_sf_unk_chunk()
4605 struct sctp_chunk *chunk = arg; in sctp_sf_discard_chunk() local
4607 if (asoc && !sctp_vtag_verify(chunk, asoc)) in sctp_sf_discard_chunk()
4614 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_chunkhdr))) in sctp_sf_discard_chunk()
4618 pr_debug("%s: chunk:%d is discarded\n", __func__, type.chunk); in sctp_sf_discard_chunk()
4675 struct sctp_chunk *chunk = arg; in sctp_sf_violation() local
4677 if (!sctp_vtag_verify(chunk, asoc)) in sctp_sf_violation()
4681 if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_chunkhdr))) in sctp_sf_violation()
4701 struct sctp_chunk *chunk = arg; in sctp_sf_abort_violation() local
4719 abort = sctp_make_abort_violation(asoc, chunk, payload, paylen); in sctp_sf_abort_violation()
4725 if (chunk->chunk_hdr->type == SCTP_CID_INIT_ACK && in sctp_sf_abort_violation()
4729 initack = (struct sctp_initack_chunk *)chunk->chunk_hdr; in sctp_sf_abort_violation()
4730 if (!sctp_chunk_length_valid(chunk, sizeof(*initack))) in sctp_sf_abort_violation()
4759 packet = sctp_ootb_pkt_new(net, asoc, chunk); in sctp_sf_abort_violation()
4765 packet->vtag = ntohl(chunk->sctp_hdr->vtag); in sctp_sf_abort_violation()
4838 struct sctp_chunk *chunk = arg; in sctp_sf_violation_paramlen() local
4844 abort = sctp_make_violation_paramlen(asoc, chunk, param); in sctp_sf_violation_paramlen()
5523 struct sctp_chunk *chunk = arg; in sctp_sf_do_prm_asconf() local
5525 sctp_add_cmd_sf(commands, SCTP_CMD_SETUP_T4, SCTP_CHUNK(chunk)); in sctp_sf_do_prm_asconf()
5528 sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(chunk)); in sctp_sf_do_prm_asconf()
5540 struct sctp_chunk *chunk = arg; in sctp_sf_do_prm_reconf() local
5542 sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(chunk)); in sctp_sf_do_prm_reconf()
5685 struct sctp_chunk *chunk = arg; in sctp_sf_do_9_2_shutdown_ack() local
5695 if (chunk) { in sctp_sf_do_9_2_shutdown_ack()
5696 if (!sctp_vtag_verify(chunk, asoc)) in sctp_sf_do_9_2_shutdown_ack()
5702 chunk, sizeof(struct sctp_shutdown_chunk))) in sctp_sf_do_9_2_shutdown_ack()
5710 reply = sctp_make_shutdown_ack(asoc, chunk); in sctp_sf_do_9_2_shutdown_ack()
6093 struct sctp_chunk *chunk = asoc->addip_last_asconf; in sctp_sf_t4_timer_expire() local
6094 struct sctp_transport *transport = chunk->transport; in sctp_sf_t4_timer_expire()
6107 sctp_add_cmd_sf(commands, SCTP_CMD_SETUP_T4, SCTP_CHUNK(chunk)); in sctp_sf_t4_timer_expire()
6282 pr_debug("%s: timer %d ignored\n", __func__, type.chunk); in sctp_sf_timer_ignore()
6292 static struct sctp_sackhdr *sctp_sm_pull_sack(struct sctp_chunk *chunk) in sctp_sm_pull_sack() argument
6302 sack = (struct sctp_sackhdr *) chunk->skb->data; in sctp_sm_pull_sack()
6308 if (len > chunk->skb->len) in sctp_sm_pull_sack()
6311 skb_pull(chunk->skb, len); in sctp_sm_pull_sack()
6323 struct sctp_chunk *chunk, in sctp_abort_pkt_new() argument
6329 packet = sctp_ootb_pkt_new(net, asoc, chunk); in sctp_abort_pkt_new()
6335 abort = sctp_make_abort(asoc, chunk, paylen); in sctp_abort_pkt_new()
6343 packet->vtag = ntohl(chunk->sctp_hdr->vtag); in sctp_abort_pkt_new()
6364 const struct sctp_chunk *chunk) in sctp_ootb_pkt_new() argument
6372 sport = ntohs(chunk->sctp_hdr->dest); in sctp_ootb_pkt_new()
6373 dport = ntohs(chunk->sctp_hdr->source); in sctp_ootb_pkt_new()
6382 switch (chunk->chunk_hdr->type) { in sctp_ootb_pkt_new()
6388 initack = (struct sctp_initack_chunk *)chunk->chunk_hdr; in sctp_ootb_pkt_new()
6400 switch (chunk->chunk_hdr->type) { in sctp_ootb_pkt_new()
6405 init = (struct sctp_init_chunk *)chunk->chunk_hdr; in sctp_ootb_pkt_new()
6410 vtag = ntohl(chunk->sctp_hdr->vtag); in sctp_ootb_pkt_new()
6416 transport = sctp_transport_new(net, sctp_source(chunk), GFP_ATOMIC); in sctp_ootb_pkt_new()
6420 transport->encap_port = SCTP_INPUT_CB(chunk->skb)->encap_port; in sctp_ootb_pkt_new()
6425 sctp_transport_route(transport, (union sctp_addr *)&chunk->dest, in sctp_ootb_pkt_new()
6448 const struct sctp_chunk *chunk, in sctp_send_stale_cookie_err() argument
6455 packet = sctp_ootb_pkt_new(net, asoc, chunk); in sctp_send_stale_cookie_err()
6460 cookie = chunk->subh.cookie_hdr; in sctp_send_stale_cookie_err()
6477 struct sctp_chunk *chunk, in sctp_eat_data() argument
6490 data_hdr = (struct sctp_datahdr *)chunk->skb->data; in sctp_eat_data()
6491 chunk->subh.data_hdr = data_hdr; in sctp_eat_data()
6492 skb_pull(chunk->skb, sctp_datahdr_len(&asoc->stream)); in sctp_eat_data()
6509 if (asoc->peer.ecn_capable && !chunk->ecn_ce_done) { in sctp_eat_data()
6510 struct sctp_af *af = SCTP_INPUT_CB(chunk->skb)->af; in sctp_eat_data()
6511 chunk->ecn_ce_done = 1; in sctp_eat_data()
6513 if (af->is_ce(sctp_gso_headskb(chunk->skb))) { in sctp_eat_data()
6525 if (chunk->asoc) in sctp_eat_data()
6526 chunk->asoc->stats.outofseqtsns++; in sctp_eat_data()
6539 datalen = ntohs(chunk->chunk_hdr->length); in sctp_eat_data()
6558 if ((!chunk->data_accepted) && (!asoc->rwnd || asoc->rwnd_over || in sctp_eat_data()
6606 err = sctp_make_abort_no_data(asoc, chunk, tsn); in sctp_eat_data()
6624 chunk->data_accepted = 1; in sctp_eat_data()
6629 if (chunk->chunk_hdr->flags & SCTP_DATA_UNORDERED) { in sctp_eat_data()
6631 if (chunk->asoc) in sctp_eat_data()
6632 chunk->asoc->stats.iuodchunks++; in sctp_eat_data()
6635 if (chunk->asoc) in sctp_eat_data()
6636 chunk->asoc->stats.iodchunks++; in sctp_eat_data()
6651 err = sctp_make_op_error(asoc, chunk, SCTP_ERROR_INV_STRM, in sctp_eat_data()
6668 if (!asoc->stream.si->validate_data(chunk)) in sctp_eat_data()
6675 sctp_add_cmd_sf(commands, deliver, SCTP_CHUNK(chunk)); in sctp_eat_data()