Lines Matching full:server
62 /* Drop the connection to not overload the server */
65 static int ip_connect(struct TCP_Server_Info *server);
66 static int generic_ip_connect(struct TCP_Server_Info *server);
74 * This should be called with server->srv_mutex held.
76 static int reconn_set_ipaddr_from_hostname(struct TCP_Server_Info *server) in reconn_set_ipaddr_from_hostname() argument
83 if (!server->hostname) in reconn_set_ipaddr_from_hostname()
86 /* if server hostname isn't populated, there's nothing to do here */ in reconn_set_ipaddr_from_hostname()
87 if (server->hostname[0] == '\0') in reconn_set_ipaddr_from_hostname()
90 len = strlen(server->hostname) + 3; in reconn_set_ipaddr_from_hostname()
97 scnprintf(unc, len, "\\\\%s", server->hostname); in reconn_set_ipaddr_from_hostname()
99 spin_lock(&server->srv_lock); in reconn_set_ipaddr_from_hostname()
100 ss = server->dstaddr; in reconn_set_ipaddr_from_hostname()
101 spin_unlock(&server->srv_lock); in reconn_set_ipaddr_from_hostname()
107 cifs_dbg(FYI, "%s: failed to resolve server part of %s to IP: %d\n", in reconn_set_ipaddr_from_hostname()
108 __func__, server->hostname, rc); in reconn_set_ipaddr_from_hostname()
110 spin_lock(&server->srv_lock); in reconn_set_ipaddr_from_hostname()
111 memcpy(&server->dstaddr, &ss, sizeof(server->dstaddr)); in reconn_set_ipaddr_from_hostname()
112 spin_unlock(&server->srv_lock); in reconn_set_ipaddr_from_hostname()
127 * query server network interfaces, in case they change in smb2_query_server_interfaces()
134 cifs_dbg(FYI, "%s: failed to query server interfaces: %d\n", in smb2_query_server_interfaces()
143 * Update the tcpStatus for the server.
148 * @server: the tcp ses for which reconnect is needed
152 cifs_signal_cifsd_for_reconnect(struct TCP_Server_Info *server, in cifs_signal_cifsd_for_reconnect() argument
159 /* If server is a channel, select the primary channel */ in cifs_signal_cifsd_for_reconnect()
160 pserver = SERVER_IS_CHAN(server) ? server->primary_server : server; in cifs_signal_cifsd_for_reconnect()
164 spin_lock(&server->srv_lock); in cifs_signal_cifsd_for_reconnect()
165 if (server->tcpStatus != CifsExiting) in cifs_signal_cifsd_for_reconnect()
166 server->tcpStatus = CifsNeedReconnect; in cifs_signal_cifsd_for_reconnect()
167 spin_unlock(&server->srv_lock); in cifs_signal_cifsd_for_reconnect()
175 if (!ses->chans[i].server) in cifs_signal_cifsd_for_reconnect()
178 spin_lock(&ses->chans[i].server->srv_lock); in cifs_signal_cifsd_for_reconnect()
179 if (ses->chans[i].server->tcpStatus != CifsExiting) in cifs_signal_cifsd_for_reconnect()
180 ses->chans[i].server->tcpStatus = CifsNeedReconnect; in cifs_signal_cifsd_for_reconnect()
181 spin_unlock(&ses->chans[i].server->srv_lock); in cifs_signal_cifsd_for_reconnect()
194 * @server: the tcp ses for which reconnect is needed
195 * @server needs to be previously set to CifsNeedReconnect.
199 cifs_mark_tcp_ses_conns_for_reconnect(struct TCP_Server_Info *server, in cifs_mark_tcp_ses_conns_for_reconnect() argument
212 /* If server is a channel, select the primary channel */ in cifs_mark_tcp_ses_conns_for_reconnect()
213 pserver = SERVER_IS_CHAN(server) ? server->primary_server : server; in cifs_mark_tcp_ses_conns_for_reconnect()
216 * if the server has been marked for termination, there is a in cifs_mark_tcp_ses_conns_for_reconnect()
223 if (server->terminate) { in cifs_mark_tcp_ses_conns_for_reconnect()
225 server = pserver; in cifs_mark_tcp_ses_conns_for_reconnect()
232 if (cifs_ses_get_chan_index(ses, server) == in cifs_mark_tcp_ses_conns_for_reconnect()
238 if (!cifs_chan_is_iface_active(ses, server)) { in cifs_mark_tcp_ses_conns_for_reconnect()
240 cifs_chan_update_iface(ses, server); in cifs_mark_tcp_ses_conns_for_reconnect()
244 if (!mark_smb_session && cifs_chan_needs_reconnect(ses, server)) { in cifs_mark_tcp_ses_conns_for_reconnect()
252 cifs_chan_set_need_reconnect(ses, server); in cifs_mark_tcp_ses_conns_for_reconnect()
287 cifs_abort_connection(struct TCP_Server_Info *server) in cifs_abort_connection() argument
292 server->maxBuf = 0; in cifs_abort_connection()
293 server->max_read = 0; in cifs_abort_connection()
297 cifs_server_lock(server); in cifs_abort_connection()
298 if (server->ssocket) { in cifs_abort_connection()
299 cifs_dbg(FYI, "State: 0x%x Flags: 0x%lx\n", server->ssocket->state, in cifs_abort_connection()
300 server->ssocket->flags); in cifs_abort_connection()
301 kernel_sock_shutdown(server->ssocket, SHUT_WR); in cifs_abort_connection()
302 cifs_dbg(FYI, "Post shutdown state: 0x%x Flags: 0x%lx\n", server->ssocket->state, in cifs_abort_connection()
303 server->ssocket->flags); in cifs_abort_connection()
304 sock_release(server->ssocket); in cifs_abort_connection()
305 server->ssocket = NULL; in cifs_abort_connection()
307 server->sequence_number = 0; in cifs_abort_connection()
308 server->session_estab = false; in cifs_abort_connection()
309 kfree_sensitive(server->session_key.response); in cifs_abort_connection()
310 server->session_key.response = NULL; in cifs_abort_connection()
311 server->session_key.len = 0; in cifs_abort_connection()
312 server->lstrp = jiffies; in cifs_abort_connection()
317 spin_lock(&server->mid_lock); in cifs_abort_connection()
318 list_for_each_entry_safe(mid, nmid, &server->pending_mid_q, qhead) { in cifs_abort_connection()
325 spin_unlock(&server->mid_lock); in cifs_abort_connection()
326 cifs_server_unlock(server); in cifs_abort_connection()
335 if (cifs_rdma_enabled(server)) { in cifs_abort_connection()
336 cifs_server_lock(server); in cifs_abort_connection()
337 smbd_destroy(server); in cifs_abort_connection()
338 cifs_server_unlock(server); in cifs_abort_connection()
342 static bool cifs_tcp_ses_needs_reconnect(struct TCP_Server_Info *server, int num_targets) in cifs_tcp_ses_needs_reconnect() argument
344 spin_lock(&server->srv_lock); in cifs_tcp_ses_needs_reconnect()
345 server->nr_targets = num_targets; in cifs_tcp_ses_needs_reconnect()
346 if (server->tcpStatus == CifsExiting) { in cifs_tcp_ses_needs_reconnect()
348 spin_unlock(&server->srv_lock); in cifs_tcp_ses_needs_reconnect()
349 wake_up(&server->response_q); in cifs_tcp_ses_needs_reconnect()
354 trace_smb3_reconnect(server->CurrentMid, server->conn_id, in cifs_tcp_ses_needs_reconnect()
355 server->hostname); in cifs_tcp_ses_needs_reconnect()
356 server->tcpStatus = CifsNeedReconnect; in cifs_tcp_ses_needs_reconnect()
358 spin_unlock(&server->srv_lock); in cifs_tcp_ses_needs_reconnect()
375 static int __cifs_reconnect(struct TCP_Server_Info *server, in __cifs_reconnect() argument
380 if (!cifs_tcp_ses_needs_reconnect(server, 1)) in __cifs_reconnect()
383 cifs_mark_tcp_ses_conns_for_reconnect(server, mark_smb_session); in __cifs_reconnect()
385 cifs_abort_connection(server); in __cifs_reconnect()
389 cifs_server_lock(server); in __cifs_reconnect()
391 if (!cifs_swn_set_server_dstaddr(server)) { in __cifs_reconnect()
393 rc = reconn_set_ipaddr_from_hostname(server); in __cifs_reconnect()
397 if (cifs_rdma_enabled(server)) in __cifs_reconnect()
398 rc = smbd_reconnect(server); in __cifs_reconnect()
400 rc = generic_ip_connect(server); in __cifs_reconnect()
402 cifs_server_unlock(server); in __cifs_reconnect()
407 set_credits(server, 1); in __cifs_reconnect()
408 spin_lock(&server->srv_lock); in __cifs_reconnect()
409 if (server->tcpStatus != CifsExiting) in __cifs_reconnect()
410 server->tcpStatus = CifsNeedNegotiate; in __cifs_reconnect()
411 spin_unlock(&server->srv_lock); in __cifs_reconnect()
412 cifs_swn_reset_server_dstaddr(server); in __cifs_reconnect()
413 cifs_server_unlock(server); in __cifs_reconnect()
414 mod_delayed_work(cifsiod_wq, &server->reconnect, 0); in __cifs_reconnect()
416 } while (server->tcpStatus == CifsNeedReconnect); in __cifs_reconnect()
418 spin_lock(&server->srv_lock); in __cifs_reconnect()
419 if (server->tcpStatus == CifsNeedNegotiate) in __cifs_reconnect()
420 mod_delayed_work(cifsiod_wq, &server->echo, 0); in __cifs_reconnect()
421 spin_unlock(&server->srv_lock); in __cifs_reconnect()
423 wake_up(&server->response_q); in __cifs_reconnect()
428 static int __reconnect_target_unlocked(struct TCP_Server_Info *server, const char *target) in __reconnect_target_unlocked() argument
433 if (!cifs_swn_set_server_dstaddr(server)) { in __reconnect_target_unlocked()
434 if (server->hostname != target) { in __reconnect_target_unlocked()
437 spin_lock(&server->srv_lock); in __reconnect_target_unlocked()
438 kfree(server->hostname); in __reconnect_target_unlocked()
439 server->hostname = hostname; in __reconnect_target_unlocked()
440 spin_unlock(&server->srv_lock); in __reconnect_target_unlocked()
444 cifs_dbg(FYI, "%s: default to last target server: %s\n", __func__, in __reconnect_target_unlocked()
445 server->hostname); in __reconnect_target_unlocked()
449 rc = reconn_set_ipaddr_from_hostname(server); in __reconnect_target_unlocked()
453 if (cifs_rdma_enabled(server)) in __reconnect_target_unlocked()
454 rc = smbd_reconnect(server); in __reconnect_target_unlocked()
456 rc = generic_ip_connect(server); in __reconnect_target_unlocked()
461 static int reconnect_target_unlocked(struct TCP_Server_Info *server, struct dfs_cache_tgt_list *tl, in reconnect_target_unlocked() argument
469 /* If dfs target list is empty, then reconnect to last server */ in reconnect_target_unlocked()
472 return __reconnect_target_unlocked(server, server->hostname); in reconnect_target_unlocked()
476 rc = __reconnect_target_unlocked(server, dfs_cache_get_tgt_name(tit)); in reconnect_target_unlocked()
485 static int reconnect_dfs_server(struct TCP_Server_Info *server) in reconnect_dfs_server() argument
496 * targets (server->nr_targets). It's also possible that the cached referral was cleared in reconnect_dfs_server()
497 * through /proc/fs/cifs/dfscache or the target list is empty due to server settings after in reconnect_dfs_server()
500 mutex_lock(&server->refpath_lock); in reconnect_dfs_server()
501 if (!dfs_cache_noreq_find(server->leaf_fullpath + 1, NULL, &tl)) in reconnect_dfs_server()
503 mutex_unlock(&server->refpath_lock); in reconnect_dfs_server()
507 if (!cifs_tcp_ses_needs_reconnect(server, num_targets)) in reconnect_dfs_server()
512 * different server or share during failover. It could be improved by adding some logic to in reconnect_dfs_server()
513 * only do that in case it connects to a different server or share, though. in reconnect_dfs_server()
515 cifs_mark_tcp_ses_conns_for_reconnect(server, true); in reconnect_dfs_server()
517 cifs_abort_connection(server); in reconnect_dfs_server()
521 cifs_server_lock(server); in reconnect_dfs_server()
523 rc = reconnect_target_unlocked(server, &tl, &target_hint); in reconnect_dfs_server()
526 cifs_server_unlock(server); in reconnect_dfs_server()
534 * through the reconnected target server. in reconnect_dfs_server()
537 set_credits(server, 1); in reconnect_dfs_server()
538 spin_lock(&server->srv_lock); in reconnect_dfs_server()
539 if (server->tcpStatus != CifsExiting) in reconnect_dfs_server()
540 server->tcpStatus = CifsNeedNegotiate; in reconnect_dfs_server()
541 spin_unlock(&server->srv_lock); in reconnect_dfs_server()
542 cifs_swn_reset_server_dstaddr(server); in reconnect_dfs_server()
543 cifs_server_unlock(server); in reconnect_dfs_server()
544 mod_delayed_work(cifsiod_wq, &server->reconnect, 0); in reconnect_dfs_server()
545 } while (server->tcpStatus == CifsNeedReconnect); in reconnect_dfs_server()
547 mutex_lock(&server->refpath_lock); in reconnect_dfs_server()
548 dfs_cache_noreq_update_tgthint(server->leaf_fullpath + 1, target_hint); in reconnect_dfs_server()
549 mutex_unlock(&server->refpath_lock); in reconnect_dfs_server()
553 spin_lock(&server->srv_lock); in reconnect_dfs_server()
554 if (server->tcpStatus == CifsNeedNegotiate) in reconnect_dfs_server()
555 mod_delayed_work(cifsiod_wq, &server->echo, 0); in reconnect_dfs_server()
556 spin_unlock(&server->srv_lock); in reconnect_dfs_server()
558 wake_up(&server->response_q); in reconnect_dfs_server()
562 int cifs_reconnect(struct TCP_Server_Info *server, bool mark_smb_session) in cifs_reconnect() argument
564 mutex_lock(&server->refpath_lock); in cifs_reconnect()
565 if (!server->leaf_fullpath) { in cifs_reconnect()
566 mutex_unlock(&server->refpath_lock); in cifs_reconnect()
567 return __cifs_reconnect(server, mark_smb_session); in cifs_reconnect()
569 mutex_unlock(&server->refpath_lock); in cifs_reconnect()
571 return reconnect_dfs_server(server); in cifs_reconnect()
574 int cifs_reconnect(struct TCP_Server_Info *server, bool mark_smb_session) in cifs_reconnect() argument
576 return __cifs_reconnect(server, mark_smb_session); in cifs_reconnect()
584 struct TCP_Server_Info *server = container_of(work, in cifs_echo_request() local
592 if (server->tcpStatus == CifsNeedReconnect || in cifs_echo_request()
593 server->tcpStatus == CifsExiting || in cifs_echo_request()
594 server->tcpStatus == CifsNew || in cifs_echo_request()
595 (server->ops->can_echo && !server->ops->can_echo(server)) || in cifs_echo_request()
596 time_before(jiffies, server->lstrp + server->echo_interval - HZ)) in cifs_echo_request()
599 rc = server->ops->echo ? server->ops->echo(server) : -ENOSYS; in cifs_echo_request()
606 queue_delayed_work(cifsiod_wq, &server->echo, server->echo_interval); in cifs_echo_request()
610 allocate_buffers(struct TCP_Server_Info *server) in allocate_buffers() argument
612 if (!server->bigbuf) { in allocate_buffers()
613 server->bigbuf = (char *)cifs_buf_get(); in allocate_buffers()
614 if (!server->bigbuf) { in allocate_buffers()
620 } else if (server->large_buf) { in allocate_buffers()
622 memset(server->bigbuf, 0, HEADER_SIZE(server)); in allocate_buffers()
625 if (!server->smallbuf) { in allocate_buffers()
626 server->smallbuf = (char *)cifs_small_buf_get(); in allocate_buffers()
627 if (!server->smallbuf) { in allocate_buffers()
636 memset(server->smallbuf, 0, HEADER_SIZE(server)); in allocate_buffers()
643 server_unresponsive(struct TCP_Server_Info *server) in server_unresponsive() argument
656 spin_lock(&server->srv_lock); in server_unresponsive()
657 if ((server->tcpStatus == CifsGood || in server_unresponsive()
658 server->tcpStatus == CifsNeedNegotiate) && in server_unresponsive()
659 (!server->ops->can_echo || server->ops->can_echo(server)) && in server_unresponsive()
660 time_after(jiffies, server->lstrp + 3 * server->echo_interval)) { in server_unresponsive()
661 spin_unlock(&server->srv_lock); in server_unresponsive()
663 (3 * server->echo_interval) / HZ); in server_unresponsive()
664 cifs_reconnect(server, false); in server_unresponsive()
667 spin_unlock(&server->srv_lock); in server_unresponsive()
673 zero_credits(struct TCP_Server_Info *server) in zero_credits() argument
677 spin_lock(&server->req_lock); in zero_credits()
678 val = server->credits + server->echo_credits + server->oplock_credits; in zero_credits()
679 if (server->in_flight == 0 && val == 0) { in zero_credits()
680 spin_unlock(&server->req_lock); in zero_credits()
683 spin_unlock(&server->req_lock); in zero_credits()
688 cifs_readv_from_socket(struct TCP_Server_Info *server, struct msghdr *smb_msg) in cifs_readv_from_socket() argument
697 if (zero_credits(server)) { in cifs_readv_from_socket()
698 cifs_reconnect(server, false); in cifs_readv_from_socket()
702 if (server_unresponsive(server)) in cifs_readv_from_socket()
704 if (cifs_rdma_enabled(server) && server->smbd_conn) in cifs_readv_from_socket()
705 length = smbd_recv(server->smbd_conn, smb_msg); in cifs_readv_from_socket()
707 length = sock_recvmsg(server->ssocket, smb_msg, 0); in cifs_readv_from_socket()
709 spin_lock(&server->srv_lock); in cifs_readv_from_socket()
710 if (server->tcpStatus == CifsExiting) { in cifs_readv_from_socket()
711 spin_unlock(&server->srv_lock); in cifs_readv_from_socket()
715 if (server->tcpStatus == CifsNeedReconnect) { in cifs_readv_from_socket()
716 spin_unlock(&server->srv_lock); in cifs_readv_from_socket()
717 cifs_reconnect(server, false); in cifs_readv_from_socket()
720 spin_unlock(&server->srv_lock); in cifs_readv_from_socket()
728 * CifsNeedReconnect if server hung. in cifs_readv_from_socket()
737 cifs_reconnect(server, false); in cifs_readv_from_socket()
745 cifs_read_from_socket(struct TCP_Server_Info *server, char *buf, in cifs_read_from_socket() argument
752 return cifs_readv_from_socket(server, &smb_msg); in cifs_read_from_socket()
756 cifs_discard_from_socket(struct TCP_Server_Info *server, size_t to_read) in cifs_discard_from_socket() argument
767 return cifs_readv_from_socket(server, &smb_msg); in cifs_discard_from_socket()
771 cifs_read_page_from_socket(struct TCP_Server_Info *server, struct page *page, in cifs_read_page_from_socket() argument
779 return cifs_readv_from_socket(server, &smb_msg); in cifs_read_page_from_socket()
783 cifs_read_iter_from_socket(struct TCP_Server_Info *server, struct iov_iter *iter, in cifs_read_iter_from_socket() argument
790 ret = cifs_readv_from_socket(server, &smb_msg); in cifs_read_iter_from_socket()
797 is_smb_response(struct TCP_Server_Info *server, unsigned char type) in is_smb_response() argument
820 /* give server a second to clean up */ in is_smb_response()
828 cifs_set_port((struct sockaddr *)&server->dstaddr, CIFS_PORT); in is_smb_response()
829 cifs_reconnect(server, true); in is_smb_response()
833 cifs_reconnect(server, true); in is_smb_response()
845 spin_lock(&mid->server->mid_lock); in dequeue_mid()
855 spin_unlock(&mid->server->mid_lock); in dequeue_mid()
860 spin_unlock(&mid->server->mid_lock); in dequeue_mid()
865 smb2_get_credits_from_hdr(char *buffer, struct TCP_Server_Info *server) in smb2_get_credits_from_hdr() argument
872 if (is_smb1(server)) in smb2_get_credits_from_hdr()
879 handle_mid(struct mid_q_entry *mid, struct TCP_Server_Info *server, in handle_mid() argument
882 if (server->ops->check_trans2 && in handle_mid()
883 server->ops->check_trans2(mid, server, buf, malformed)) in handle_mid()
885 mid->credits_received = smb2_get_credits_from_hdr(buf, server); in handle_mid()
887 mid->large_buf = server->large_buf; in handle_mid()
891 if (server->large_buf) in handle_mid()
892 server->bigbuf = NULL; in handle_mid()
894 server->smallbuf = NULL; in handle_mid()
900 cifs_enable_signing(struct TCP_Server_Info *server, bool mnt_sign_required) in cifs_enable_signing() argument
902 bool srv_sign_required = server->sec_mode & server->vals->signing_required; in cifs_enable_signing()
903 bool srv_sign_enabled = server->sec_mode & server->vals->signing_enabled; in cifs_enable_signing()
921 /* If server requires signing, does client allow it? */ in cifs_enable_signing()
924 cifs_dbg(VFS, "Server requires signing, but it's disabled in SecurityFlags!\n"); in cifs_enable_signing()
927 server->sign = true; in cifs_enable_signing()
930 /* If client requires signing, does server allow it? */ in cifs_enable_signing()
933 cifs_dbg(VFS, "Server does not support signing!\n"); in cifs_enable_signing()
936 server->sign = true; in cifs_enable_signing()
939 if (cifs_rdma_enabled(server) && server->sign) in cifs_enable_signing()
946 clean_demultiplex_info(struct TCP_Server_Info *server) in clean_demultiplex_info() argument
951 spin_lock(&server->srv_lock); in clean_demultiplex_info()
952 list_del_init(&server->tcp_ses_list); in clean_demultiplex_info()
953 spin_unlock(&server->srv_lock); in clean_demultiplex_info()
955 cancel_delayed_work_sync(&server->echo); in clean_demultiplex_info()
957 spin_lock(&server->srv_lock); in clean_demultiplex_info()
958 server->tcpStatus = CifsExiting; in clean_demultiplex_info()
959 spin_unlock(&server->srv_lock); in clean_demultiplex_info()
960 wake_up_all(&server->response_q); in clean_demultiplex_info()
963 spin_lock(&server->req_lock); in clean_demultiplex_info()
964 if (server->credits <= 0) in clean_demultiplex_info()
965 server->credits = 1; in clean_demultiplex_info()
966 spin_unlock(&server->req_lock); in clean_demultiplex_info()
971 * same server - they now will see the session is in exit state and get in clean_demultiplex_info()
974 wake_up_all(&server->request_q); in clean_demultiplex_info()
977 if (cifs_rdma_enabled(server)) in clean_demultiplex_info()
978 smbd_destroy(server); in clean_demultiplex_info()
979 if (server->ssocket) { in clean_demultiplex_info()
980 sock_release(server->ssocket); in clean_demultiplex_info()
981 server->ssocket = NULL; in clean_demultiplex_info()
984 if (!list_empty(&server->pending_mid_q)) { in clean_demultiplex_info()
990 spin_lock(&server->mid_lock); in clean_demultiplex_info()
991 list_for_each_safe(tmp, tmp2, &server->pending_mid_q) { in clean_demultiplex_info()
999 spin_unlock(&server->mid_lock); in clean_demultiplex_info()
1013 if (!list_empty(&server->pending_mid_q)) { in clean_demultiplex_info()
1030 kfree(server->leaf_fullpath); in clean_demultiplex_info()
1031 kfree(server); in clean_demultiplex_info()
1039 standard_receive3(struct TCP_Server_Info *server, struct mid_q_entry *mid) in standard_receive3() argument
1042 char *buf = server->smallbuf; in standard_receive3()
1043 unsigned int pdu_length = server->pdu_size; in standard_receive3()
1046 if (pdu_length > CIFSMaxBufSize + MAX_HEADER_SIZE(server) - in standard_receive3()
1047 HEADER_PREAMBLE_SIZE(server)) { in standard_receive3()
1049 cifs_reconnect(server, true); in standard_receive3()
1055 server->large_buf = true; in standard_receive3()
1056 memcpy(server->bigbuf, buf, server->total_read); in standard_receive3()
1057 buf = server->bigbuf; in standard_receive3()
1061 length = cifs_read_from_socket(server, buf + HEADER_SIZE(server) - 1, in standard_receive3()
1062 pdu_length - MID_HEADER_SIZE(server)); in standard_receive3()
1066 server->total_read += length; in standard_receive3()
1068 dump_smb(buf, server->total_read); in standard_receive3()
1070 return cifs_handle_standard(server, mid); in standard_receive3()
1074 cifs_handle_standard(struct TCP_Server_Info *server, struct mid_q_entry *mid) in cifs_handle_standard() argument
1076 char *buf = server->large_buf ? server->bigbuf : server->smallbuf; in cifs_handle_standard()
1087 rc = server->ops->check_message(buf, server->total_read, server); in cifs_handle_standard()
1090 min_t(unsigned int, server->total_read, 48)); in cifs_handle_standard()
1092 if (server->ops->is_session_expired && in cifs_handle_standard()
1093 server->ops->is_session_expired(buf)) { in cifs_handle_standard()
1094 cifs_reconnect(server, true); in cifs_handle_standard()
1098 if (server->ops->is_status_pending && in cifs_handle_standard()
1099 server->ops->is_status_pending(buf, server)) in cifs_handle_standard()
1105 handle_mid(mid, server, buf, rc); in cifs_handle_standard()
1110 smb2_add_credits_from_hdr(char *buffer, struct TCP_Server_Info *server) in smb2_add_credits_from_hdr() argument
1118 if (is_smb1(server)) in smb2_add_credits_from_hdr()
1122 spin_lock(&server->req_lock); in smb2_add_credits_from_hdr()
1123 server->credits += le16_to_cpu(shdr->CreditRequest); in smb2_add_credits_from_hdr()
1124 scredits = server->credits; in smb2_add_credits_from_hdr()
1125 in_flight = server->in_flight; in smb2_add_credits_from_hdr()
1126 spin_unlock(&server->req_lock); in smb2_add_credits_from_hdr()
1127 wake_up(&server->request_q); in smb2_add_credits_from_hdr()
1129 trace_smb3_hdr_credits(server->CurrentMid, in smb2_add_credits_from_hdr()
1130 server->conn_id, server->hostname, scredits, in smb2_add_credits_from_hdr()
1143 struct TCP_Server_Info *server = p; in cifs_demultiplex_thread() local
1162 while (server->tcpStatus != CifsExiting) { in cifs_demultiplex_thread()
1166 if (!allocate_buffers(server)) in cifs_demultiplex_thread()
1169 server->large_buf = false; in cifs_demultiplex_thread()
1170 buf = server->smallbuf; in cifs_demultiplex_thread()
1173 length = cifs_read_from_socket(server, buf, pdu_length); in cifs_demultiplex_thread()
1177 if (is_smb1(server)) in cifs_demultiplex_thread()
1178 server->total_read = length; in cifs_demultiplex_thread()
1180 server->total_read = 0; in cifs_demultiplex_thread()
1189 if (!is_smb_response(server, buf[0])) in cifs_demultiplex_thread()
1194 server->pdu_size = pdu_length; in cifs_demultiplex_thread()
1197 if (server->pdu_size < MID_HEADER_SIZE(server)) { in cifs_demultiplex_thread()
1199 server->pdu_size); in cifs_demultiplex_thread()
1200 cifs_reconnect(server, true); in cifs_demultiplex_thread()
1205 length = cifs_read_from_socket(server, in cifs_demultiplex_thread()
1206 buf + HEADER_PREAMBLE_SIZE(server), in cifs_demultiplex_thread()
1207 MID_HEADER_SIZE(server)); in cifs_demultiplex_thread()
1210 server->total_read += length; in cifs_demultiplex_thread()
1212 if (server->ops->next_header) { in cifs_demultiplex_thread()
1213 if (server->ops->next_header(server, buf, &next_offset)) { in cifs_demultiplex_thread()
1216 cifs_reconnect(server, true); in cifs_demultiplex_thread()
1220 server->pdu_size = next_offset; in cifs_demultiplex_thread()
1227 if (server->ops->is_transform_hdr && in cifs_demultiplex_thread()
1228 server->ops->receive_transform && in cifs_demultiplex_thread()
1229 server->ops->is_transform_hdr(buf)) { in cifs_demultiplex_thread()
1230 length = server->ops->receive_transform(server, in cifs_demultiplex_thread()
1235 mids[0] = server->ops->find_mid(server, buf); in cifs_demultiplex_thread()
1240 length = standard_receive3(server, mids[0]); in cifs_demultiplex_thread()
1242 length = mids[0]->receive(server, mids[0]); in cifs_demultiplex_thread()
1252 if (server->ops->is_status_io_timeout && in cifs_demultiplex_thread()
1253 server->ops->is_status_io_timeout(buf)) { in cifs_demultiplex_thread()
1265 server->lstrp = jiffies; in cifs_demultiplex_thread()
1269 mids[i]->resp_buf_size = server->pdu_size; in cifs_demultiplex_thread()
1272 if (server->ops->is_network_name_deleted && in cifs_demultiplex_thread()
1273 server->ops->is_network_name_deleted(bufs[i], in cifs_demultiplex_thread()
1274 server)) { in cifs_demultiplex_thread()
1284 } else if (server->ops->is_oplock_break && in cifs_demultiplex_thread()
1285 server->ops->is_oplock_break(bufs[i], in cifs_demultiplex_thread()
1286 server)) { in cifs_demultiplex_thread()
1287 smb2_add_credits_from_hdr(bufs[i], server); in cifs_demultiplex_thread()
1293 HEADER_SIZE(server)); in cifs_demultiplex_thread()
1294 smb2_add_credits_from_hdr(bufs[i], server); in cifs_demultiplex_thread()
1296 if (server->ops->dump_detail) in cifs_demultiplex_thread()
1297 server->ops->dump_detail(bufs[i], in cifs_demultiplex_thread()
1298 server); in cifs_demultiplex_thread()
1299 cifs_dump_mids(server); in cifs_demultiplex_thread()
1304 if (pdu_length > server->pdu_size) { in cifs_demultiplex_thread()
1305 if (!allocate_buffers(server)) in cifs_demultiplex_thread()
1307 pdu_length -= server->pdu_size; in cifs_demultiplex_thread()
1308 server->total_read = 0; in cifs_demultiplex_thread()
1309 server->large_buf = false; in cifs_demultiplex_thread()
1310 buf = server->smallbuf; in cifs_demultiplex_thread()
1316 cifs_reconnect(server, true); in cifs_demultiplex_thread()
1321 cifs_buf_release(server->bigbuf); in cifs_demultiplex_thread()
1322 if (server->smallbuf) /* no sense logging a debug message if NULL */ in cifs_demultiplex_thread()
1323 cifs_small_buf_release(server->smallbuf); in cifs_demultiplex_thread()
1325 task_to_wake = xchg(&server->tsk, NULL); in cifs_demultiplex_thread()
1326 clean_demultiplex_info(server); in cifs_demultiplex_thread()
1328 /* if server->tsk was NULL then wait for a signal before exiting */ in cifs_demultiplex_thread()
1422 * families of server and addr are equal.
1425 match_port(struct TCP_Server_Info *server, struct sockaddr *addr) in match_port() argument
1430 if (server->rdma) in match_port()
1435 sport = &((struct sockaddr_in *) &server->dstaddr)->sin_port; in match_port()
1439 sport = &((struct sockaddr_in6 *) &server->dstaddr)->sin6_port; in match_port()
1458 static bool match_server_address(struct TCP_Server_Info *server, struct sockaddr *addr) in match_server_address() argument
1460 if (!cifs_match_ipaddr(addr, (struct sockaddr *)&server->dstaddr)) in match_server_address()
1467 match_security(struct TCP_Server_Info *server, struct smb3_fs_context *ctx) in match_security() argument
1474 if (server->ops->select_sectype(server, ctx->sectype) in match_security()
1481 * the server->sign had better be too. in match_security()
1483 if (ctx->sign && !server->sign) in match_security()
1490 static int match_server(struct TCP_Server_Info *server, in match_server() argument
1496 lockdep_assert_held(&server->srv_lock); in match_server()
1501 /* this server does not share socket */ in match_server()
1502 if (server->nosharesock) in match_server()
1507 if (server->vals->protocol_id < SMB30_PROT_ID) in match_server()
1511 if (server->vals->protocol_id < SMB21_PROT_ID) in match_server()
1513 } else if ((server->vals != ctx->vals) || (server->ops != ctx->ops)) in match_server()
1516 if (!net_eq(cifs_net_ns(server), current->nsproxy->net_ns)) in match_server()
1520 (struct sockaddr *)&server->srcaddr)) in match_server()
1524 * really match either @server->leaf_fullpath or @server->dstaddr in match_server()
1525 * directly since this @server might belong to a completely different in match_server()
1526 * server -- in case of domain-based DFS referrals or DFS links -- as in match_server()
1529 * Otherwise, match the DFS referral in @server->leaf_fullpath or the in match_server()
1530 * destination address in @server->dstaddr. in match_server()
1537 if (server->leaf_fullpath) { in match_server()
1539 strcasecmp(server->leaf_fullpath, in match_server()
1545 } else if (server->leaf_fullpath) { in match_server()
1554 if (!server->leaf_fullpath && in match_server()
1555 (strcasecmp(server->hostname, ctx->server_hostname) || in match_server()
1556 !match_server_address(server, addr) || in match_server()
1557 !match_port(server, addr))) in match_server()
1560 if (!match_security(server, ctx)) in match_server()
1563 if (server->echo_interval != ctx->echo_interval * HZ) in match_server()
1566 if (server->rdma != ctx->rdma) in match_server()
1569 if (server->ignore_signature != ctx->ignore_signature) in match_server()
1572 if (server->min_offload != ctx->min_offload) in match_server()
1581 struct TCP_Server_Info *server; in cifs_find_tcp_session() local
1584 list_for_each_entry(server, &cifs_tcp_ses_list, tcp_ses_list) { in cifs_find_tcp_session()
1585 spin_lock(&server->srv_lock); in cifs_find_tcp_session()
1590 if (SERVER_IS_CHAN(server) || in cifs_find_tcp_session()
1591 !match_server(server, ctx, false)) { in cifs_find_tcp_session()
1592 spin_unlock(&server->srv_lock); in cifs_find_tcp_session()
1595 spin_unlock(&server->srv_lock); in cifs_find_tcp_session()
1597 ++server->srv_count; in cifs_find_tcp_session()
1599 cifs_dbg(FYI, "Existing tcp session with server found\n"); in cifs_find_tcp_session()
1600 return server; in cifs_find_tcp_session()
1607 cifs_put_tcp_session(struct TCP_Server_Info *server, int from_reconnect) in cifs_put_tcp_session() argument
1612 if (--server->srv_count > 0) { in cifs_put_tcp_session()
1618 WARN_ON(server->srv_count < 0); in cifs_put_tcp_session()
1620 put_net(cifs_net_ns(server)); in cifs_put_tcp_session()
1622 list_del_init(&server->tcp_ses_list); in cifs_put_tcp_session()
1625 cancel_delayed_work_sync(&server->echo); in cifs_put_tcp_session()
1631 * that reconnect work does nothing with server pointer after in cifs_put_tcp_session()
1634 cancel_delayed_work(&server->reconnect); in cifs_put_tcp_session()
1636 cancel_delayed_work_sync(&server->reconnect); in cifs_put_tcp_session()
1638 /* For secondary channels, we pick up ref-count on the primary server */ in cifs_put_tcp_session()
1639 if (SERVER_IS_CHAN(server)) in cifs_put_tcp_session()
1640 cifs_put_tcp_session(server->primary_server, from_reconnect); in cifs_put_tcp_session()
1642 spin_lock(&server->srv_lock); in cifs_put_tcp_session()
1643 server->tcpStatus = CifsExiting; in cifs_put_tcp_session()
1644 spin_unlock(&server->srv_lock); in cifs_put_tcp_session()
1646 cifs_crypto_secmech_release(server); in cifs_put_tcp_session()
1648 kfree_sensitive(server->session_key.response); in cifs_put_tcp_session()
1649 server->session_key.response = NULL; in cifs_put_tcp_session()
1650 server->session_key.len = 0; in cifs_put_tcp_session()
1651 kfree(server->hostname); in cifs_put_tcp_session()
1652 server->hostname = NULL; in cifs_put_tcp_session()
1654 task = xchg(&server->tsk, NULL); in cifs_put_tcp_session()
1905 struct TCP_Server_Info *server = ses->server; in cifs_setup_ipc() local
1912 if (server->capabilities & SMB2_GLOBAL_CAP_ENCRYPTION) in cifs_setup_ipc()
1916 "IPC: server doesn't support encryption\n"); in cifs_setup_ipc()
1926 spin_lock(&server->srv_lock); in cifs_setup_ipc()
1927 scnprintf(unc, sizeof(unc), "\\\\%s\\IPC$", server->hostname); in cifs_setup_ipc()
1928 spin_unlock(&server->srv_lock); in cifs_setup_ipc()
1934 rc = server->ops->tree_connect(xid, ses, unc, tcon, ctx->local_nls); in cifs_setup_ipc()
1959 * On session close, the IPC is closed and the server must release all tcons of the session.
1962 * Besides, it will make the server to not close durable and resilient files on session close, as
1979 cifs_find_smb_ses(struct TCP_Server_Info *server, struct smb3_fs_context *ctx) in cifs_find_smb_ses() argument
1984 list_for_each_entry(ses, &server->smb_ses_list, smb_ses_list) { in cifs_find_smb_ses()
2010 struct TCP_Server_Info *server = ses->server; in __cifs_put_smb_ses() local
2038 if (ses->ses_status == SES_EXITING && server->ops->logoff) { in __cifs_put_smb_ses()
2042 rc = server->ops->logoff(xid, ses); in __cifs_put_smb_ses()
2067 cifs_put_tcp_session(ses->chans[i].server, 0); in __cifs_put_smb_ses()
2068 ses->chans[i].server = NULL; in __cifs_put_smb_ses()
2075 ses->chans[0].server = NULL; in __cifs_put_smb_ses()
2079 cifs_put_tcp_session(server, 0); in __cifs_put_smb_ses()
2097 struct TCP_Server_Info *server = ses->server; in cifs_set_cifscreds() local
2107 switch (server->dstaddr.ss_family) { in cifs_set_cifscreds()
2109 sa = (struct sockaddr_in *)&server->dstaddr; in cifs_set_cifscreds()
2113 sa6 = (struct sockaddr_in6 *)&server->dstaddr; in cifs_set_cifscreds()
2118 server->dstaddr.ss_family); in cifs_set_cifscreds()
2236 * cifs_get_smb_ses - get a session matching @ctx data from @server
2237 * @server: server to setup the session to
2241 * already got a server reference (server refcount +1). See
2245 cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb3_fs_context *ctx) in cifs_get_smb_ses() argument
2250 struct sockaddr_in *addr = (struct sockaddr_in *)&server->dstaddr; in cifs_get_smb_ses()
2251 struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)&server->dstaddr; in cifs_get_smb_ses()
2255 ses = cifs_find_smb_ses(server, ctx); in cifs_get_smb_ses()
2261 if (cifs_chan_needs_reconnect(ses, server)) { in cifs_get_smb_ses()
2266 rc = cifs_negotiate_protocol(xid, ses, server); in cifs_get_smb_ses()
2275 rc = cifs_setup_session(xid, ses, server, in cifs_get_smb_ses()
2290 /* existing SMB ses has a server reference already */ in cifs_get_smb_ses()
2291 cifs_put_tcp_session(server, 0); in cifs_get_smb_ses()
2303 /* new SMB session uses our server ref */ in cifs_get_smb_ses()
2304 ses->server = server; in cifs_get_smb_ses()
2305 if (server->dstaddr.ss_family == AF_INET6) in cifs_get_smb_ses()
2339 /* add server as first channel */ in cifs_get_smb_ses()
2341 ses->chans[0].server = server; in cifs_get_smb_ses()
2348 rc = cifs_negotiate_protocol(xid, ses, server); in cifs_get_smb_ses()
2350 rc = cifs_setup_session(xid, ses, server, ctx->local_nls); in cifs_get_smb_ses()
2371 list_add(&ses->smb_ses_list, &server->smb_ses_list); in cifs_get_smb_ses()
2389 struct TCP_Server_Info *server = tcon->ses->server; in match_tcon() local
2399 } else if (!server->leaf_fullpath && in match_tcon()
2485 if (ses->server->ops->tree_disconnect) in cifs_put_tcon()
2486 ses->server->ops->tree_disconnect(xid, tcon); in cifs_put_tcon()
2534 if (!ses->server->ops->tree_connect) { in cifs_get_tcon()
2539 if (ses->server->dialect >= SMB20_PROT_ID && in cifs_get_tcon()
2540 (ses->server->capabilities & SMB2_GLOBAL_CAP_DIRECTORY_LEASING)) in cifs_get_tcon()
2552 if (ses->server->vals->protocol_id == 0) { in cifs_get_tcon()
2562 if (ses->server->vals->protocol_id == 0) { in cifs_get_tcon()
2581 if (ses->server->vals->protocol_id == 0) { in cifs_get_tcon()
2586 } else if (tcon->ses->server->capabilities & in cifs_get_tcon()
2597 if (ses->server->posix_ext_supported) { in cifs_get_tcon()
2600 } else if ((ses->server->vals->protocol_id == SMB311_PROT_ID) || in cifs_get_tcon()
2601 (strcmp(ses->server->vals->version_string, in cifs_get_tcon()
2603 (strcmp(ses->server->vals->version_string, in cifs_get_tcon()
2605 cifs_dbg(VFS, "Server does not support mounting with posix SMB3.11 extensions\n"); in cifs_get_tcon()
2617 rc = ses->server->ops->tree_connect(xid, ses, ctx->UNC, tcon, in cifs_get_tcon()
2627 if (ses->server->vals->protocol_id == 0) { in cifs_get_tcon()
2632 } else if (ses->server->capabilities & in cifs_get_tcon()
2642 && (ses->server->capabilities & SMB2_GLOBAL_CAP_PERSISTENT_HANDLES) in cifs_get_tcon()
2647 if (ses->server->vals->protocol_id == 0) { in cifs_get_tcon()
2658 if (ses->server->vals->protocol_id >= SMB30_PROT_ID) { in cifs_get_tcon()
2693 if (ses->server->vals->protocol_id == 0) { in cifs_get_tcon()
2704 * resources mounted more than once to the same server share the last in cifs_get_tcon()
2718 if (ses->server->dialect >= SMB30_PROT_ID && in cifs_get_tcon()
2719 (ses->server->capabilities & SMB2_GLOBAL_CAP_MULTI_CHANNEL)) { in cifs_get_tcon()
2858 tcp_srv = ses->server; in cifs_match_super()
2934 bind_socket(struct TCP_Server_Info *server) in bind_socket() argument
2937 if (server->srcaddr.ss_family != AF_UNSPEC) { in bind_socket()
2939 struct socket *socket = server->ssocket; in bind_socket()
2941 (struct sockaddr *) &server->srcaddr, in bind_socket()
2942 sizeof(server->srcaddr)); in bind_socket()
2946 saddr4 = (struct sockaddr_in *)&server->srcaddr; in bind_socket()
2947 saddr6 = (struct sockaddr_in6 *)&server->srcaddr; in bind_socket()
2960 ip_rfc1001_connect(struct TCP_Server_Info *server) in ip_rfc1001_connect() argument
2974 if (server->server_RFC1001_name[0] != 0) in ip_rfc1001_connect()
2976 server->server_RFC1001_name, in ip_rfc1001_connect()
2986 if (server->workstation_RFC1001_name[0] != 0) in ip_rfc1001_connect()
2988 server->workstation_RFC1001_name, in ip_rfc1001_connect()
3002 rc = smb_send(server, smb_buf, len); in ip_rfc1001_connect()
3004 * RFC1001 layer in at least one server requires very short break before in ip_rfc1001_connect()
3015 generic_ip_connect(struct TCP_Server_Info *server) in generic_ip_connect() argument
3023 saddr = (struct sockaddr *) &server->dstaddr; in generic_ip_connect()
3025 if (server->dstaddr.ss_family == AF_INET6) { in generic_ip_connect()
3026 struct sockaddr_in6 *ipv6 = (struct sockaddr_in6 *)&server->dstaddr; in generic_ip_connect()
3034 struct sockaddr_in *ipv4 = (struct sockaddr_in *)&server->dstaddr; in generic_ip_connect()
3043 if (server->ssocket) { in generic_ip_connect()
3044 socket = server->ssocket; in generic_ip_connect()
3046 rc = __sock_create(cifs_net_ns(server), sfamily, SOCK_STREAM, in generic_ip_connect()
3047 IPPROTO_TCP, &server->ssocket, 1); in generic_ip_connect()
3055 socket = server->ssocket; in generic_ip_connect()
3064 rc = bind_socket(server); in generic_ip_connect()
3077 if (server->noautotune) { in generic_ip_connect()
3084 if (server->tcp_nodelay) in generic_ip_connect()
3092 server->noblockcnt ? O_NONBLOCK : 0); in generic_ip_connect()
3098 if (server->noblockcnt && rc == -EINPROGRESS) in generic_ip_connect()
3101 cifs_dbg(FYI, "Error %d connecting to server\n", rc); in generic_ip_connect()
3102 trace_smb3_connect_err(server->hostname, server->conn_id, &server->dstaddr, rc); in generic_ip_connect()
3104 server->ssocket = NULL; in generic_ip_connect()
3107 trace_smb3_connect_done(server->hostname, server->conn_id, &server->dstaddr); in generic_ip_connect()
3109 rc = ip_rfc1001_connect(server); in generic_ip_connect()
3115 ip_connect(struct TCP_Server_Info *server) in ip_connect() argument
3118 struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)&server->dstaddr; in ip_connect()
3119 struct sockaddr_in *addr = (struct sockaddr_in *)&server->dstaddr; in ip_connect()
3121 if (server->dstaddr.ss_family == AF_INET6) in ip_connect()
3132 rc = generic_ip_connect(server); in ip_connect()
3140 return generic_ip_connect(server); in ip_connect()
3155 * What if we wanted to mount the server share twice once with in reset_cifs_unix_caps()
3175 cifs_dbg(FYI, "unix caps which server supports %lld\n", cap); in reset_cifs_unix_caps()
3193 cifs_dbg(VFS, "server disabled POSIX path support\n"); in reset_cifs_unix_caps()
3244 …cifs_dbg(VFS, "Negotiating Unix capabilities with the server failed. Consider mounting with the Un… in reset_cifs_unix_caps()
3312 else if (mnt_ctx->server) in cifs_mount_put_conns()
3313 cifs_put_tcp_session(mnt_ctx->server, 0); in cifs_mount_put_conns()
3320 struct TCP_Server_Info *server = NULL; in cifs_mount_get_session() local
3335 server = cifs_get_tcp_session(ctx, NULL); in cifs_mount_get_session()
3336 if (IS_ERR(server)) { in cifs_mount_get_session()
3337 rc = PTR_ERR(server); in cifs_mount_get_session()
3338 server = NULL; in cifs_mount_get_session()
3343 ses = cifs_get_smb_ses(server, ctx); in cifs_mount_get_session()
3350 if ((ctx->persistent == true) && (!(ses->server->capabilities & in cifs_mount_get_session()
3352 cifs_server_dbg(VFS, "persistent handles not supported by server\n"); in cifs_mount_get_session()
3358 mnt_ctx->server = server; in cifs_mount_get_session()
3367 struct TCP_Server_Info *server; in cifs_mount_get_tcon() local
3373 if (WARN_ON_ONCE(!mnt_ctx || !mnt_ctx->server || !mnt_ctx->ses || !mnt_ctx->fs_ctx || in cifs_mount_get_tcon()
3378 server = mnt_ctx->server; in cifs_mount_get_tcon()
3382 /* search for existing tcon to this server share */ in cifs_mount_get_tcon()
3395 /* tell server which Unix caps we support */ in cifs_mount_get_tcon()
3402 spin_lock(&tcon->ses->server->srv_lock); in cifs_mount_get_tcon()
3403 if ((tcon->ses->server->tcpStatus == CifsNeedReconnect) && in cifs_mount_get_tcon()
3406 spin_unlock(&tcon->ses->server->srv_lock); in cifs_mount_get_tcon()
3410 spin_unlock(&tcon->ses->server->srv_lock); in cifs_mount_get_tcon()
3413 tcon->unix_ext = 0; /* server does not support them */ in cifs_mount_get_tcon()
3416 if (!tcon->pipe && server->ops->qfs_tcon) { in cifs_mount_get_tcon()
3417 server->ops->qfs_tcon(mnt_ctx->xid, tcon, cifs_sb); in cifs_mount_get_tcon()
3430 * Clamp the rsize/wsize mount arguments if they are too big for the server in cifs_mount_get_tcon()
3435 (cifs_sb->ctx->wsize > server->ops->negotiate_wsize(tcon, ctx))) { in cifs_mount_get_tcon()
3437 round_down(server->ops->negotiate_wsize(tcon, ctx), PAGE_SIZE); in cifs_mount_get_tcon()
3439 * in the very unlikely event that the server sent a max write size under PAGE_SIZE, in cifs_mount_get_tcon()
3448 (cifs_sb->ctx->rsize > server->ops->negotiate_rsize(tcon, ctx))) in cifs_mount_get_tcon()
3449 cifs_sb->ctx->rsize = server->ops->negotiate_rsize(tcon, ctx); in cifs_mount_get_tcon()
3491 cifs_are_all_path_components_accessible(struct TCP_Server_Info *server, in cifs_are_all_path_components_accessible() argument
3506 rc = server->ops->is_path_accessible(xid, tcon, cifs_sb, ""); in cifs_are_all_path_components_accessible()
3530 rc = server->ops->is_path_accessible(xid, tcon, cifs_sb, in cifs_are_all_path_components_accessible()
3546 struct TCP_Server_Info *server = mnt_ctx->server; in cifs_is_path_remote() local
3552 if (!server->ops->is_path_accessible) in cifs_is_path_remote()
3565 rc = server->ops->is_path_accessible(xid, tcon, cifs_sb, in cifs_is_path_remote()
3571 rc = cifs_are_all_path_components_accessible(server, xid, tcon, in cifs_is_path_remote()
3601 * After reconnecting to a different server, unique ids won't match anymore, so we disable in cifs_mount()
3690 smb_buffer->Mid = get_next_mid(ses->server); in CIFSTCon()
3704 if (ses->server->sign) in CIFSTCon()
3718 (/* server len*/ + 256 /* share len */), nls_codepage); in CIFSTCon()
3825 struct TCP_Server_Info *server) in cifs_negotiate_protocol() argument
3829 if (!server->ops->need_neg || !server->ops->negotiate) in cifs_negotiate_protocol()
3833 spin_lock(&server->srv_lock); in cifs_negotiate_protocol()
3834 if (server->tcpStatus != CifsGood && in cifs_negotiate_protocol()
3835 server->tcpStatus != CifsNew && in cifs_negotiate_protocol()
3836 server->tcpStatus != CifsNeedNegotiate) { in cifs_negotiate_protocol()
3837 spin_unlock(&server->srv_lock); in cifs_negotiate_protocol()
3841 if (!server->ops->need_neg(server) && in cifs_negotiate_protocol()
3842 server->tcpStatus == CifsGood) { in cifs_negotiate_protocol()
3843 spin_unlock(&server->srv_lock); in cifs_negotiate_protocol()
3847 server->tcpStatus = CifsInNegotiate; in cifs_negotiate_protocol()
3848 spin_unlock(&server->srv_lock); in cifs_negotiate_protocol()
3850 rc = server->ops->negotiate(xid, ses, server); in cifs_negotiate_protocol()
3852 spin_lock(&server->srv_lock); in cifs_negotiate_protocol()
3853 if (server->tcpStatus == CifsInNegotiate) in cifs_negotiate_protocol()
3854 server->tcpStatus = CifsGood; in cifs_negotiate_protocol()
3857 spin_unlock(&server->srv_lock); in cifs_negotiate_protocol()
3859 spin_lock(&server->srv_lock); in cifs_negotiate_protocol()
3860 if (server->tcpStatus == CifsInNegotiate) in cifs_negotiate_protocol()
3861 server->tcpStatus = CifsNeedNegotiate; in cifs_negotiate_protocol()
3862 spin_unlock(&server->srv_lock); in cifs_negotiate_protocol()
3870 struct TCP_Server_Info *server, in cifs_setup_session() argument
3874 struct TCP_Server_Info *pserver = SERVER_IS_CHAN(server) ? server->primary_server : server; in cifs_setup_session()
3900 cifs_chan_set_in_reconnect(ses, server); in cifs_setup_session()
3913 if (server == pserver) { in cifs_setup_session()
3914 if (server->dstaddr.ss_family == AF_INET6) in cifs_setup_session()
3921 ses->capabilities = server->capabilities; in cifs_setup_session()
3923 ses->capabilities &= (~server->vals->cap_unix); in cifs_setup_session()
3935 server->sec_mode, server->capabilities, server->timeAdj); in cifs_setup_session()
3937 if (server->ops->sess_setup) in cifs_setup_session()
3938 rc = server->ops->sess_setup(xid, ses, server, nls_info); in cifs_setup_session()
3946 cifs_chan_clear_in_reconnect(ses, server); in cifs_setup_session()
3954 cifs_chan_clear_in_reconnect(ses, server); in cifs_setup_session()
3955 cifs_chan_clear_need_reconnect(ses, server); in cifs_setup_session()
4015 ++master_tcon->ses->server->srv_count; in cifs_construct_tcon()
4018 ses = cifs_get_smb_ses(master_tcon->ses->server, ctx); in cifs_construct_tcon()
4021 cifs_put_tcp_session(master_tcon->ses->server, 0); in cifs_construct_tcon()
4231 const struct smb_version_operations *ops = tcon->ses->server->ops; in cifs_tree_connect()