Lines Matching full:server
59 /* Drop the connection to not overload the server */
62 static int ip_connect(struct TCP_Server_Info *server);
63 static int generic_ip_connect(struct TCP_Server_Info *server);
71 * This should be called with server->srv_mutex held.
73 static int reconn_set_ipaddr_from_hostname(struct TCP_Server_Info *server) in reconn_set_ipaddr_from_hostname() argument
78 if (!server->hostname) in reconn_set_ipaddr_from_hostname()
81 /* if server hostname isn't populated, there's nothing to do here */ in reconn_set_ipaddr_from_hostname()
82 if (server->hostname[0] == '\0') in reconn_set_ipaddr_from_hostname()
85 spin_lock(&server->srv_lock); in reconn_set_ipaddr_from_hostname()
86 ss = server->dstaddr; in reconn_set_ipaddr_from_hostname()
87 spin_unlock(&server->srv_lock); in reconn_set_ipaddr_from_hostname()
89 rc = dns_resolve_name(server->dns_dom, server->hostname, in reconn_set_ipaddr_from_hostname()
90 strlen(server->hostname), in reconn_set_ipaddr_from_hostname()
93 spin_lock(&server->srv_lock); in reconn_set_ipaddr_from_hostname()
94 memcpy(&server->dstaddr, &ss, sizeof(server->dstaddr)); in reconn_set_ipaddr_from_hostname()
95 spin_unlock(&server->srv_lock); in reconn_set_ipaddr_from_hostname()
107 struct TCP_Server_Info *server = tcon->ses->server; in smb2_query_server_interfaces() local
110 * query server network interfaces, in case they change in smb2_query_server_interfaces()
112 if (!server->ops->query_server_interfaces) in smb2_query_server_interfaces()
116 rc = server->ops->query_server_interfaces(xid, tcon, false); in smb2_query_server_interfaces()
123 cifs_dbg(FYI, "%s: failed to query server interfaces: %d\n", in smb2_query_server_interfaces()
132 * Update the tcpStatus for the server.
137 * @server: the tcp ses for which reconnect is needed
141 cifs_signal_cifsd_for_reconnect(struct TCP_Server_Info *server, in cifs_signal_cifsd_for_reconnect() argument
148 /* If server is a channel, select the primary channel */ in cifs_signal_cifsd_for_reconnect()
149 pserver = SERVER_IS_CHAN(server) ? server->primary_server : server; in cifs_signal_cifsd_for_reconnect()
153 spin_lock(&server->srv_lock); in cifs_signal_cifsd_for_reconnect()
154 if (server->tcpStatus != CifsExiting) in cifs_signal_cifsd_for_reconnect()
155 server->tcpStatus = CifsNeedReconnect; in cifs_signal_cifsd_for_reconnect()
156 spin_unlock(&server->srv_lock); in cifs_signal_cifsd_for_reconnect()
166 if (!ses->chans[i].server) in cifs_signal_cifsd_for_reconnect()
169 spin_lock(&ses->chans[i].server->srv_lock); in cifs_signal_cifsd_for_reconnect()
170 if (ses->chans[i].server->tcpStatus != CifsExiting) in cifs_signal_cifsd_for_reconnect()
171 ses->chans[i].server->tcpStatus = CifsNeedReconnect; in cifs_signal_cifsd_for_reconnect()
172 spin_unlock(&ses->chans[i].server->srv_lock); in cifs_signal_cifsd_for_reconnect()
185 * @server: the tcp ses for which reconnect is needed
186 * @server needs to be previously set to CifsNeedReconnect.
190 cifs_mark_tcp_ses_conns_for_reconnect(struct TCP_Server_Info *server, in cifs_mark_tcp_ses_conns_for_reconnect() argument
203 /* If server is a channel, select the primary channel */ in cifs_mark_tcp_ses_conns_for_reconnect()
204 pserver = SERVER_IS_CHAN(server) ? server->primary_server : server; in cifs_mark_tcp_ses_conns_for_reconnect()
207 * if the server has been marked for termination, there is a in cifs_mark_tcp_ses_conns_for_reconnect()
214 if (server->terminate) { in cifs_mark_tcp_ses_conns_for_reconnect()
216 server = pserver; in cifs_mark_tcp_ses_conns_for_reconnect()
229 if (cifs_ses_get_chan_index(ses, server) == in cifs_mark_tcp_ses_conns_for_reconnect()
235 if (!cifs_chan_is_iface_active(ses, server)) { in cifs_mark_tcp_ses_conns_for_reconnect()
237 cifs_chan_update_iface(ses, server); in cifs_mark_tcp_ses_conns_for_reconnect()
241 if (!mark_smb_session && cifs_chan_needs_reconnect(ses, server)) { in cifs_mark_tcp_ses_conns_for_reconnect()
249 cifs_chan_set_need_reconnect(ses, server); in cifs_mark_tcp_ses_conns_for_reconnect()
284 cifs_abort_connection(struct TCP_Server_Info *server) in cifs_abort_connection() argument
289 server->maxBuf = 0; in cifs_abort_connection()
290 server->max_read = 0; in cifs_abort_connection()
294 cifs_server_lock(server); in cifs_abort_connection()
295 if (server->ssocket) { in cifs_abort_connection()
296 cifs_dbg(FYI, "State: 0x%x Flags: 0x%lx\n", server->ssocket->state, in cifs_abort_connection()
297 server->ssocket->flags); in cifs_abort_connection()
298 kernel_sock_shutdown(server->ssocket, SHUT_WR); in cifs_abort_connection()
299 cifs_dbg(FYI, "Post shutdown state: 0x%x Flags: 0x%lx\n", server->ssocket->state, in cifs_abort_connection()
300 server->ssocket->flags); in cifs_abort_connection()
301 sock_release(server->ssocket); in cifs_abort_connection()
302 server->ssocket = NULL; in cifs_abort_connection()
304 server->sequence_number = 0; in cifs_abort_connection()
305 server->session_estab = false; in cifs_abort_connection()
306 kfree_sensitive(server->session_key.response); in cifs_abort_connection()
307 server->session_key.response = NULL; in cifs_abort_connection()
308 server->session_key.len = 0; in cifs_abort_connection()
309 server->lstrp = jiffies; in cifs_abort_connection()
314 spin_lock(&server->mid_lock); in cifs_abort_connection()
315 list_for_each_entry_safe(mid, nmid, &server->pending_mid_q, qhead) { in cifs_abort_connection()
322 spin_unlock(&server->mid_lock); in cifs_abort_connection()
323 cifs_server_unlock(server); in cifs_abort_connection()
332 if (cifs_rdma_enabled(server)) { in cifs_abort_connection()
333 cifs_server_lock(server); in cifs_abort_connection()
334 smbd_destroy(server); in cifs_abort_connection()
335 cifs_server_unlock(server); in cifs_abort_connection()
339 static bool cifs_tcp_ses_needs_reconnect(struct TCP_Server_Info *server, int num_targets) in cifs_tcp_ses_needs_reconnect() argument
341 spin_lock(&server->srv_lock); in cifs_tcp_ses_needs_reconnect()
342 server->nr_targets = num_targets; in cifs_tcp_ses_needs_reconnect()
343 if (server->tcpStatus == CifsExiting) { in cifs_tcp_ses_needs_reconnect()
345 spin_unlock(&server->srv_lock); in cifs_tcp_ses_needs_reconnect()
346 wake_up(&server->response_q); in cifs_tcp_ses_needs_reconnect()
351 trace_smb3_reconnect(server->CurrentMid, server->conn_id, in cifs_tcp_ses_needs_reconnect()
352 server->hostname); in cifs_tcp_ses_needs_reconnect()
353 server->tcpStatus = CifsNeedReconnect; in cifs_tcp_ses_needs_reconnect()
355 spin_unlock(&server->srv_lock); in cifs_tcp_ses_needs_reconnect()
372 static int __cifs_reconnect(struct TCP_Server_Info *server, in __cifs_reconnect() argument
377 if (!cifs_tcp_ses_needs_reconnect(server, 1)) in __cifs_reconnect()
380 cifs_mark_tcp_ses_conns_for_reconnect(server, mark_smb_session); in __cifs_reconnect()
382 cifs_abort_connection(server); in __cifs_reconnect()
386 cifs_server_lock(server); in __cifs_reconnect()
388 if (!cifs_swn_set_server_dstaddr(server)) { in __cifs_reconnect()
390 rc = reconn_set_ipaddr_from_hostname(server); in __cifs_reconnect()
394 if (cifs_rdma_enabled(server)) in __cifs_reconnect()
395 rc = smbd_reconnect(server); in __cifs_reconnect()
397 rc = generic_ip_connect(server); in __cifs_reconnect()
399 cifs_server_unlock(server); in __cifs_reconnect()
404 set_credits(server, 1); in __cifs_reconnect()
405 spin_lock(&server->srv_lock); in __cifs_reconnect()
406 if (server->tcpStatus != CifsExiting) in __cifs_reconnect()
407 server->tcpStatus = CifsNeedNegotiate; in __cifs_reconnect()
408 spin_unlock(&server->srv_lock); in __cifs_reconnect()
409 cifs_swn_reset_server_dstaddr(server); in __cifs_reconnect()
410 cifs_server_unlock(server); in __cifs_reconnect()
411 mod_delayed_work(cifsiod_wq, &server->reconnect, 0); in __cifs_reconnect()
413 } while (server->tcpStatus == CifsNeedReconnect); in __cifs_reconnect()
415 spin_lock(&server->srv_lock); in __cifs_reconnect()
416 if (server->tcpStatus == CifsNeedNegotiate) in __cifs_reconnect()
417 mod_delayed_work(cifsiod_wq, &server->echo, 0); in __cifs_reconnect()
418 spin_unlock(&server->srv_lock); in __cifs_reconnect()
420 wake_up(&server->response_q); in __cifs_reconnect()
425 static int __reconnect_target_locked(struct TCP_Server_Info *server, in __reconnect_target_locked() argument
431 if (!cifs_swn_set_server_dstaddr(server)) { in __reconnect_target_locked()
432 if (server->hostname != target) { in __reconnect_target_locked()
435 spin_lock(&server->srv_lock); in __reconnect_target_locked()
436 kfree(server->hostname); in __reconnect_target_locked()
437 server->hostname = hostname; in __reconnect_target_locked()
438 spin_unlock(&server->srv_lock); in __reconnect_target_locked()
442 cifs_dbg(FYI, "%s: default to last target server: %s\n", __func__, in __reconnect_target_locked()
443 server->hostname); in __reconnect_target_locked()
447 rc = reconn_set_ipaddr_from_hostname(server); in __reconnect_target_locked()
451 if (cifs_rdma_enabled(server)) in __reconnect_target_locked()
452 rc = smbd_reconnect(server); in __reconnect_target_locked()
454 rc = generic_ip_connect(server); in __reconnect_target_locked()
459 static int reconnect_target_locked(struct TCP_Server_Info *server, in reconnect_target_locked() argument
468 /* If dfs target list is empty, then reconnect to last server */ in reconnect_target_locked()
471 return __reconnect_target_locked(server, server->hostname); in reconnect_target_locked()
477 spin_lock(&server->srv_lock); in reconnect_target_locked()
478 if (server->tcpStatus != CifsNeedReconnect) { in reconnect_target_locked()
479 spin_unlock(&server->srv_lock); in reconnect_target_locked()
482 spin_unlock(&server->srv_lock); in reconnect_target_locked()
483 rc = __reconnect_target_locked(server, target); in reconnect_target_locked()
492 static int reconnect_dfs_server(struct TCP_Server_Info *server) in reconnect_dfs_server() argument
495 const char *ref_path = server->leaf_fullpath + 1; in reconnect_dfs_server()
504 * targets (server->nr_targets). It's also possible that the cached referral was cleared in reconnect_dfs_server()
505 * through /proc/fs/cifs/dfscache or the target list is empty due to server settings after in reconnect_dfs_server()
513 if (!cifs_tcp_ses_needs_reconnect(server, num_targets)) in reconnect_dfs_server()
518 * different server or share during failover. It could be improved by adding some logic to in reconnect_dfs_server()
519 * only do that in case it connects to a different server or share, though. in reconnect_dfs_server()
521 cifs_mark_tcp_ses_conns_for_reconnect(server, true); in reconnect_dfs_server()
523 cifs_abort_connection(server); in reconnect_dfs_server()
527 cifs_server_lock(server); in reconnect_dfs_server()
529 rc = reconnect_target_locked(server, &tl, &target_hint); in reconnect_dfs_server()
532 cifs_server_unlock(server); in reconnect_dfs_server()
540 * through the reconnected target server. in reconnect_dfs_server()
543 set_credits(server, 1); in reconnect_dfs_server()
544 spin_lock(&server->srv_lock); in reconnect_dfs_server()
545 if (server->tcpStatus != CifsExiting) in reconnect_dfs_server()
546 server->tcpStatus = CifsNeedNegotiate; in reconnect_dfs_server()
547 spin_unlock(&server->srv_lock); in reconnect_dfs_server()
548 cifs_swn_reset_server_dstaddr(server); in reconnect_dfs_server()
549 cifs_server_unlock(server); in reconnect_dfs_server()
550 mod_delayed_work(cifsiod_wq, &server->reconnect, 0); in reconnect_dfs_server()
551 } while (server->tcpStatus == CifsNeedReconnect); in reconnect_dfs_server()
557 spin_lock(&server->srv_lock); in reconnect_dfs_server()
558 if (server->tcpStatus == CifsNeedNegotiate) in reconnect_dfs_server()
559 mod_delayed_work(cifsiod_wq, &server->echo, 0); in reconnect_dfs_server()
560 spin_unlock(&server->srv_lock); in reconnect_dfs_server()
562 wake_up(&server->response_q); in reconnect_dfs_server()
566 int cifs_reconnect(struct TCP_Server_Info *server, bool mark_smb_session) in cifs_reconnect() argument
568 if (!server->leaf_fullpath) in cifs_reconnect()
569 return __cifs_reconnect(server, mark_smb_session); in cifs_reconnect()
570 return reconnect_dfs_server(server); in cifs_reconnect()
573 int cifs_reconnect(struct TCP_Server_Info *server, bool mark_smb_session) in cifs_reconnect() argument
575 return __cifs_reconnect(server, mark_smb_session); in cifs_reconnect()
583 struct TCP_Server_Info *server = container_of(work, in cifs_echo_request() local
591 if (server->tcpStatus == CifsNeedReconnect || in cifs_echo_request()
592 server->tcpStatus == CifsExiting || in cifs_echo_request()
593 server->tcpStatus == CifsNew || in cifs_echo_request()
594 (server->ops->can_echo && !server->ops->can_echo(server)) || in cifs_echo_request()
595 time_before(jiffies, server->lstrp + server->echo_interval - HZ)) in cifs_echo_request()
598 rc = server->ops->echo ? server->ops->echo(server) : -ENOSYS; in cifs_echo_request()
605 queue_delayed_work(cifsiod_wq, &server->echo, server->echo_interval); in cifs_echo_request()
609 allocate_buffers(struct TCP_Server_Info *server) in allocate_buffers() argument
611 if (!server->bigbuf) { in allocate_buffers()
612 server->bigbuf = (char *)cifs_buf_get(); in allocate_buffers()
613 if (!server->bigbuf) { in allocate_buffers()
619 } else if (server->large_buf) { in allocate_buffers()
621 memset(server->bigbuf, 0, HEADER_SIZE(server)); in allocate_buffers()
624 if (!server->smallbuf) { in allocate_buffers()
625 server->smallbuf = (char *)cifs_small_buf_get(); in allocate_buffers()
626 if (!server->smallbuf) { in allocate_buffers()
635 memset(server->smallbuf, 0, HEADER_SIZE(server)); in allocate_buffers()
642 server_unresponsive(struct TCP_Server_Info *server) in server_unresponsive() argument
646 * and the server abruptly shut down (e.g. socket wasn't closed, packet in server_unresponsive()
650 spin_lock(&server->srv_lock); in server_unresponsive()
651 if (server->tcpStatus == CifsInNegotiate && in server_unresponsive()
652 time_after(jiffies, server->lstrp + 20 * HZ)) { in server_unresponsive()
653 spin_unlock(&server->srv_lock); in server_unresponsive()
654 cifs_reconnect(server, false); in server_unresponsive()
668 if ((server->tcpStatus == CifsGood || in server_unresponsive()
669 server->tcpStatus == CifsNeedNegotiate) && in server_unresponsive()
670 (!server->ops->can_echo || server->ops->can_echo(server)) && in server_unresponsive()
671 time_after(jiffies, server->lstrp + 3 * server->echo_interval)) { in server_unresponsive()
672 spin_unlock(&server->srv_lock); in server_unresponsive()
674 (3 * server->echo_interval) / HZ); in server_unresponsive()
675 cifs_reconnect(server, false); in server_unresponsive()
678 spin_unlock(&server->srv_lock); in server_unresponsive()
684 zero_credits(struct TCP_Server_Info *server) in zero_credits() argument
688 spin_lock(&server->req_lock); in zero_credits()
689 val = server->credits + server->echo_credits + server->oplock_credits; in zero_credits()
690 if (server->in_flight == 0 && val == 0) { in zero_credits()
691 spin_unlock(&server->req_lock); in zero_credits()
694 spin_unlock(&server->req_lock); in zero_credits()
699 cifs_readv_from_socket(struct TCP_Server_Info *server, struct msghdr *smb_msg) in cifs_readv_from_socket() argument
708 if (zero_credits(server)) { in cifs_readv_from_socket()
709 cifs_reconnect(server, false); in cifs_readv_from_socket()
713 if (server_unresponsive(server)) in cifs_readv_from_socket()
715 if (cifs_rdma_enabled(server) && server->smbd_conn) in cifs_readv_from_socket()
716 length = smbd_recv(server->smbd_conn, smb_msg); in cifs_readv_from_socket()
718 length = sock_recvmsg(server->ssocket, smb_msg, 0); in cifs_readv_from_socket()
720 spin_lock(&server->srv_lock); in cifs_readv_from_socket()
721 if (server->tcpStatus == CifsExiting) { in cifs_readv_from_socket()
722 spin_unlock(&server->srv_lock); in cifs_readv_from_socket()
726 if (server->tcpStatus == CifsNeedReconnect) { in cifs_readv_from_socket()
727 spin_unlock(&server->srv_lock); in cifs_readv_from_socket()
728 cifs_reconnect(server, false); in cifs_readv_from_socket()
731 spin_unlock(&server->srv_lock); in cifs_readv_from_socket()
739 * CifsNeedReconnect if server hung. in cifs_readv_from_socket()
748 cifs_reconnect(server, false); in cifs_readv_from_socket()
756 cifs_read_from_socket(struct TCP_Server_Info *server, char *buf, in cifs_read_from_socket() argument
764 return cifs_readv_from_socket(server, &smb_msg); in cifs_read_from_socket()
768 cifs_discard_from_socket(struct TCP_Server_Info *server, size_t to_read) in cifs_discard_from_socket() argument
779 return cifs_readv_from_socket(server, &smb_msg); in cifs_discard_from_socket()
783 cifs_read_iter_from_socket(struct TCP_Server_Info *server, struct iov_iter *iter, in cifs_read_iter_from_socket() argument
789 return cifs_readv_from_socket(server, &smb_msg); in cifs_read_iter_from_socket()
793 is_smb_response(struct TCP_Server_Info *server, unsigned char type) in is_smb_response() argument
816 /* give server a second to clean up */ in is_smb_response()
824 cifs_set_port((struct sockaddr *)&server->dstaddr, CIFS_PORT); in is_smb_response()
825 cifs_reconnect(server, true); in is_smb_response()
829 cifs_reconnect(server, true); in is_smb_response()
841 spin_lock(&mid->server->mid_lock); in dequeue_mid()
851 spin_unlock(&mid->server->mid_lock); in dequeue_mid()
856 spin_unlock(&mid->server->mid_lock); in dequeue_mid()
861 smb2_get_credits_from_hdr(char *buffer, struct TCP_Server_Info *server) in smb2_get_credits_from_hdr() argument
868 if (is_smb1(server)) in smb2_get_credits_from_hdr()
875 handle_mid(struct mid_q_entry *mid, struct TCP_Server_Info *server, in handle_mid() argument
878 if (server->ops->check_trans2 && in handle_mid()
879 server->ops->check_trans2(mid, server, buf, malformed)) in handle_mid()
881 mid->credits_received = smb2_get_credits_from_hdr(buf, server); in handle_mid()
883 mid->large_buf = server->large_buf; in handle_mid()
887 if (server->large_buf) in handle_mid()
888 server->bigbuf = NULL; in handle_mid()
890 server->smallbuf = NULL; in handle_mid()
896 cifs_enable_signing(struct TCP_Server_Info *server, bool mnt_sign_required) in cifs_enable_signing() argument
898 bool srv_sign_required = server->sec_mode & server->vals->signing_required; in cifs_enable_signing()
899 bool srv_sign_enabled = server->sec_mode & server->vals->signing_enabled; in cifs_enable_signing()
917 /* If server requires signing, does client allow it? */ in cifs_enable_signing()
920 cifs_dbg(VFS, "Server requires signing, but it's disabled in SecurityFlags!\n"); in cifs_enable_signing()
923 server->sign = true; in cifs_enable_signing()
926 /* If client requires signing, does server allow it? */ in cifs_enable_signing()
929 cifs_dbg(VFS, "Server does not support signing!\n"); in cifs_enable_signing()
932 server->sign = true; in cifs_enable_signing()
935 if (cifs_rdma_enabled(server) && server->sign) in cifs_enable_signing()
942 clean_demultiplex_info(struct TCP_Server_Info *server) in clean_demultiplex_info() argument
947 spin_lock(&server->srv_lock); in clean_demultiplex_info()
948 list_del_init(&server->tcp_ses_list); in clean_demultiplex_info()
949 spin_unlock(&server->srv_lock); in clean_demultiplex_info()
951 cancel_delayed_work_sync(&server->echo); in clean_demultiplex_info()
953 spin_lock(&server->srv_lock); in clean_demultiplex_info()
954 server->tcpStatus = CifsExiting; in clean_demultiplex_info()
955 spin_unlock(&server->srv_lock); in clean_demultiplex_info()
956 wake_up_all(&server->response_q); in clean_demultiplex_info()
959 spin_lock(&server->req_lock); in clean_demultiplex_info()
960 if (server->credits <= 0) in clean_demultiplex_info()
961 server->credits = 1; in clean_demultiplex_info()
962 spin_unlock(&server->req_lock); in clean_demultiplex_info()
967 * same server - they now will see the session is in exit state and get in clean_demultiplex_info()
970 wake_up_all(&server->request_q); in clean_demultiplex_info()
973 if (cifs_rdma_enabled(server)) in clean_demultiplex_info()
974 smbd_destroy(server); in clean_demultiplex_info()
975 if (server->ssocket) { in clean_demultiplex_info()
976 sock_release(server->ssocket); in clean_demultiplex_info()
977 server->ssocket = NULL; in clean_demultiplex_info()
980 if (!list_empty(&server->pending_mid_q)) { in clean_demultiplex_info()
985 spin_lock(&server->mid_lock); in clean_demultiplex_info()
986 list_for_each_safe(tmp, tmp2, &server->pending_mid_q) { in clean_demultiplex_info()
994 spin_unlock(&server->mid_lock); in clean_demultiplex_info()
1008 if (!list_empty(&server->pending_mid_q)) { in clean_demultiplex_info()
1025 put_net(cifs_net_ns(server)); in clean_demultiplex_info()
1026 kfree(server->leaf_fullpath); in clean_demultiplex_info()
1027 kfree(server->hostname); in clean_demultiplex_info()
1028 kfree(server); in clean_demultiplex_info()
1036 standard_receive3(struct TCP_Server_Info *server, struct mid_q_entry *mid) in standard_receive3() argument
1039 char *buf = server->smallbuf; in standard_receive3()
1040 unsigned int pdu_length = server->pdu_size; in standard_receive3()
1043 if (pdu_length > CIFSMaxBufSize + MAX_HEADER_SIZE(server) - in standard_receive3()
1044 HEADER_PREAMBLE_SIZE(server)) { in standard_receive3()
1046 cifs_reconnect(server, true); in standard_receive3()
1052 server->large_buf = true; in standard_receive3()
1053 memcpy(server->bigbuf, buf, server->total_read); in standard_receive3()
1054 buf = server->bigbuf; in standard_receive3()
1058 length = cifs_read_from_socket(server, buf + HEADER_SIZE(server) - 1, in standard_receive3()
1059 pdu_length - MID_HEADER_SIZE(server)); in standard_receive3()
1063 server->total_read += length; in standard_receive3()
1065 dump_smb(buf, server->total_read); in standard_receive3()
1067 return cifs_handle_standard(server, mid); in standard_receive3()
1071 cifs_handle_standard(struct TCP_Server_Info *server, struct mid_q_entry *mid) in cifs_handle_standard() argument
1073 char *buf = server->large_buf ? server->bigbuf : server->smallbuf; in cifs_handle_standard()
1084 rc = server->ops->check_message(buf, server->total_read, server); in cifs_handle_standard()
1087 min_t(unsigned int, server->total_read, 48)); in cifs_handle_standard()
1089 if (server->ops->is_session_expired && in cifs_handle_standard()
1090 server->ops->is_session_expired(buf)) { in cifs_handle_standard()
1091 cifs_reconnect(server, true); in cifs_handle_standard()
1095 if (server->ops->is_status_pending && in cifs_handle_standard()
1096 server->ops->is_status_pending(buf, server)) in cifs_handle_standard()
1102 handle_mid(mid, server, buf, rc); in cifs_handle_standard()
1107 smb2_add_credits_from_hdr(char *buffer, struct TCP_Server_Info *server) in smb2_add_credits_from_hdr() argument
1115 if (is_smb1(server)) in smb2_add_credits_from_hdr()
1119 spin_lock(&server->req_lock); in smb2_add_credits_from_hdr()
1120 server->credits += le16_to_cpu(shdr->CreditRequest); in smb2_add_credits_from_hdr()
1121 scredits = server->credits; in smb2_add_credits_from_hdr()
1122 in_flight = server->in_flight; in smb2_add_credits_from_hdr()
1123 spin_unlock(&server->req_lock); in smb2_add_credits_from_hdr()
1124 wake_up(&server->request_q); in smb2_add_credits_from_hdr()
1126 trace_smb3_hdr_credits(server->CurrentMid, in smb2_add_credits_from_hdr()
1127 server->conn_id, server->hostname, scredits, in smb2_add_credits_from_hdr()
1140 struct TCP_Server_Info *server = p; in cifs_demultiplex_thread() local
1159 while (server->tcpStatus != CifsExiting) { in cifs_demultiplex_thread()
1163 if (!allocate_buffers(server)) in cifs_demultiplex_thread()
1166 server->large_buf = false; in cifs_demultiplex_thread()
1167 buf = server->smallbuf; in cifs_demultiplex_thread()
1170 length = cifs_read_from_socket(server, buf, pdu_length); in cifs_demultiplex_thread()
1174 if (is_smb1(server)) in cifs_demultiplex_thread()
1175 server->total_read = length; in cifs_demultiplex_thread()
1177 server->total_read = 0; in cifs_demultiplex_thread()
1186 if (!is_smb_response(server, buf[0])) in cifs_demultiplex_thread()
1191 server->pdu_size = pdu_length; in cifs_demultiplex_thread()
1194 if (server->pdu_size < MID_HEADER_SIZE(server)) { in cifs_demultiplex_thread()
1196 server->pdu_size); in cifs_demultiplex_thread()
1197 cifs_reconnect(server, true); in cifs_demultiplex_thread()
1202 length = cifs_read_from_socket(server, in cifs_demultiplex_thread()
1203 buf + HEADER_PREAMBLE_SIZE(server), in cifs_demultiplex_thread()
1204 MID_HEADER_SIZE(server)); in cifs_demultiplex_thread()
1207 server->total_read += length; in cifs_demultiplex_thread()
1209 if (server->ops->next_header) { in cifs_demultiplex_thread()
1210 if (server->ops->next_header(server, buf, &next_offset)) { in cifs_demultiplex_thread()
1213 cifs_reconnect(server, true); in cifs_demultiplex_thread()
1217 server->pdu_size = next_offset; in cifs_demultiplex_thread()
1224 if (server->ops->is_transform_hdr && in cifs_demultiplex_thread()
1225 server->ops->receive_transform && in cifs_demultiplex_thread()
1226 server->ops->is_transform_hdr(buf)) { in cifs_demultiplex_thread()
1227 length = server->ops->receive_transform(server, in cifs_demultiplex_thread()
1232 mids[0] = server->ops->find_mid(server, buf); in cifs_demultiplex_thread()
1237 length = standard_receive3(server, mids[0]); in cifs_demultiplex_thread()
1239 length = mids[0]->receive(server, mids[0]); in cifs_demultiplex_thread()
1249 if (server->ops->is_status_io_timeout && in cifs_demultiplex_thread()
1250 server->ops->is_status_io_timeout(buf)) { in cifs_demultiplex_thread()
1262 server->lstrp = jiffies; in cifs_demultiplex_thread()
1266 mids[i]->resp_buf_size = server->pdu_size; in cifs_demultiplex_thread()
1269 if (server->ops->is_network_name_deleted && in cifs_demultiplex_thread()
1270 server->ops->is_network_name_deleted(bufs[i], in cifs_demultiplex_thread()
1271 server)) { in cifs_demultiplex_thread()
1281 } else if (server->ops->is_oplock_break && in cifs_demultiplex_thread()
1282 server->ops->is_oplock_break(bufs[i], in cifs_demultiplex_thread()
1283 server)) { in cifs_demultiplex_thread()
1284 smb2_add_credits_from_hdr(bufs[i], server); in cifs_demultiplex_thread()
1290 HEADER_SIZE(server)); in cifs_demultiplex_thread()
1291 smb2_add_credits_from_hdr(bufs[i], server); in cifs_demultiplex_thread()
1293 if (server->ops->dump_detail) in cifs_demultiplex_thread()
1294 server->ops->dump_detail(bufs[i], in cifs_demultiplex_thread()
1295 server); in cifs_demultiplex_thread()
1296 cifs_dump_mids(server); in cifs_demultiplex_thread()
1301 if (pdu_length > server->pdu_size) { in cifs_demultiplex_thread()
1302 if (!allocate_buffers(server)) in cifs_demultiplex_thread()
1304 pdu_length -= server->pdu_size; in cifs_demultiplex_thread()
1305 server->total_read = 0; in cifs_demultiplex_thread()
1306 server->large_buf = false; in cifs_demultiplex_thread()
1307 buf = server->smallbuf; in cifs_demultiplex_thread()
1313 cifs_reconnect(server, true); in cifs_demultiplex_thread()
1318 cifs_buf_release(server->bigbuf); in cifs_demultiplex_thread()
1319 if (server->smallbuf) /* no sense logging a debug message if NULL */ in cifs_demultiplex_thread()
1320 cifs_small_buf_release(server->smallbuf); in cifs_demultiplex_thread()
1322 task_to_wake = xchg(&server->tsk, NULL); in cifs_demultiplex_thread()
1323 clean_demultiplex_info(server); in cifs_demultiplex_thread()
1325 /* if server->tsk was NULL then wait for a signal before exiting */ in cifs_demultiplex_thread()
1421 * families of server and addr are equal.
1424 match_port(struct TCP_Server_Info *server, struct sockaddr *addr) in match_port() argument
1429 if (server->rdma) in match_port()
1434 sport = &((struct sockaddr_in *) &server->dstaddr)->sin_port; in match_port()
1438 sport = &((struct sockaddr_in6 *) &server->dstaddr)->sin6_port; in match_port()
1457 static bool match_server_address(struct TCP_Server_Info *server, struct sockaddr *addr) in match_server_address() argument
1459 if (!cifs_match_ipaddr(addr, (struct sockaddr *)&server->dstaddr)) in match_server_address()
1466 match_security(struct TCP_Server_Info *server, struct smb3_fs_context *ctx) in match_security() argument
1473 if (server->ops->select_sectype(server, ctx->sectype) in match_security()
1480 * the server->sign had better be too. in match_security()
1482 if (ctx->sign && !server->sign) in match_security()
1489 static int match_server(struct TCP_Server_Info *server, in match_server() argument
1495 lockdep_assert_held(&server->srv_lock); in match_server()
1500 /* this server does not share socket */ in match_server()
1501 if (server->nosharesock) in match_server()
1504 if (!match_super && (ctx->dfs_conn || server->dfs_conn)) in match_server()
1509 if (server->vals->protocol_id < SMB30_PROT_ID) in match_server()
1513 if (server->vals->protocol_id < SMB21_PROT_ID) in match_server()
1515 } else if ((server->vals != ctx->vals) || (server->ops != ctx->ops)) in match_server()
1518 if (!net_eq(cifs_net_ns(server), current->nsproxy->net_ns)) in match_server()
1522 (struct sockaddr *)&server->srcaddr)) in match_server()
1525 if (strcasecmp(server->hostname, ctx->server_hostname) || in match_server()
1526 !match_server_address(server, addr) || in match_server()
1527 !match_port(server, addr)) in match_server()
1530 if (!match_security(server, ctx)) in match_server()
1533 if (server->echo_interval != ctx->echo_interval * HZ) in match_server()
1536 if (server->rdma != ctx->rdma) in match_server()
1539 if (server->ignore_signature != ctx->ignore_signature) in match_server()
1542 if (server->min_offload != ctx->min_offload) in match_server()
1545 if (server->retrans != ctx->retrans) in match_server()
1554 struct TCP_Server_Info *server; in cifs_find_tcp_session() local
1557 list_for_each_entry(server, &cifs_tcp_ses_list, tcp_ses_list) { in cifs_find_tcp_session()
1558 spin_lock(&server->srv_lock); in cifs_find_tcp_session()
1563 if (SERVER_IS_CHAN(server) || in cifs_find_tcp_session()
1564 !match_server(server, ctx, false)) { in cifs_find_tcp_session()
1565 spin_unlock(&server->srv_lock); in cifs_find_tcp_session()
1568 spin_unlock(&server->srv_lock); in cifs_find_tcp_session()
1570 ++server->srv_count; in cifs_find_tcp_session()
1572 cifs_dbg(FYI, "Existing tcp session with server found\n"); in cifs_find_tcp_session()
1573 return server; in cifs_find_tcp_session()
1580 cifs_put_tcp_session(struct TCP_Server_Info *server, int from_reconnect) in cifs_put_tcp_session() argument
1585 if (--server->srv_count > 0) { in cifs_put_tcp_session()
1591 WARN_ON(server->srv_count < 0); in cifs_put_tcp_session()
1593 list_del_init(&server->tcp_ses_list); in cifs_put_tcp_session()
1596 cancel_delayed_work_sync(&server->echo); in cifs_put_tcp_session()
1602 * that reconnect work does nothing with server pointer after in cifs_put_tcp_session()
1605 cancel_delayed_work(&server->reconnect); in cifs_put_tcp_session()
1607 cancel_delayed_work_sync(&server->reconnect); in cifs_put_tcp_session()
1609 /* For secondary channels, we pick up ref-count on the primary server */ in cifs_put_tcp_session()
1610 if (SERVER_IS_CHAN(server)) in cifs_put_tcp_session()
1611 cifs_put_tcp_session(server->primary_server, from_reconnect); in cifs_put_tcp_session()
1613 spin_lock(&server->srv_lock); in cifs_put_tcp_session()
1614 server->tcpStatus = CifsExiting; in cifs_put_tcp_session()
1615 spin_unlock(&server->srv_lock); in cifs_put_tcp_session()
1617 cifs_crypto_secmech_release(server); in cifs_put_tcp_session()
1619 kfree_sensitive(server->session_key.response); in cifs_put_tcp_session()
1620 server->session_key.response = NULL; in cifs_put_tcp_session()
1621 server->session_key.len = 0; in cifs_put_tcp_session()
1623 task = xchg(&server->tsk, NULL); in cifs_put_tcp_session()
1819 struct TCP_Server_Info *server = ses->server; in match_session() local
1832 ctx_sec = server->ops->select_sectype(server, ctx->sectype); in match_session()
1833 ses_sec = server->ops->select_sectype(server, ses->sectype); in match_session()
1913 struct TCP_Server_Info *server = ses->server; in cifs_setup_ipc() local
1920 if (server->capabilities & SMB2_GLOBAL_CAP_ENCRYPTION) in cifs_setup_ipc()
1924 "IPC: server doesn't support encryption\n"); in cifs_setup_ipc()
1934 spin_lock(&server->srv_lock); in cifs_setup_ipc()
1935 scnprintf(unc, sizeof(unc), "\\\\%s\\IPC$", server->hostname); in cifs_setup_ipc()
1936 spin_unlock(&server->srv_lock); in cifs_setup_ipc()
1942 rc = server->ops->tree_connect(xid, ses, unc, tcon, ctx->local_nls); in cifs_setup_ipc()
1962 cifs_find_smb_ses(struct TCP_Server_Info *server, struct smb3_fs_context *ctx) in cifs_find_smb_ses() argument
1967 list_for_each_entry(ses, &server->smb_ses_list, smb_ses_list) { in cifs_find_smb_ses()
1991 struct TCP_Server_Info *server = ses->server; in __cifs_put_smb_ses() local
2012 cifs_chan_clear_need_reconnect(ses, server); in __cifs_put_smb_ses()
2015 do_logoff = ses->ses_status == SES_GOOD && server->ops->logoff; in __cifs_put_smb_ses()
2023 * On session close, the IPC is closed and the server must release all in __cifs_put_smb_ses()
2026 * Besides, it will make the server to not close durable and resilient in __cifs_put_smb_ses()
2033 rc = server->ops->logoff(xid, ses); in __cifs_put_smb_ses()
2049 cifs_put_tcp_session(ses->chans[i].server, 0); in __cifs_put_smb_ses()
2050 ses->chans[i].server = NULL; in __cifs_put_smb_ses()
2056 ses->chans[0].server = NULL; in __cifs_put_smb_ses()
2060 cifs_put_tcp_session(server, 0); in __cifs_put_smb_ses()
2078 struct TCP_Server_Info *server = ses->server; in cifs_set_cifscreds() local
2088 switch (server->dstaddr.ss_family) { in cifs_set_cifscreds()
2090 sa = (struct sockaddr_in *)&server->dstaddr; in cifs_set_cifscreds()
2094 sa6 = (struct sockaddr_in6 *)&server->dstaddr; in cifs_set_cifscreds()
2099 server->dstaddr.ss_family); in cifs_set_cifscreds()
2219 * cifs_get_smb_ses - get a session matching @ctx data from @server
2220 * @server: server to setup the session to
2224 * already got a server reference (server refcount +1). See
2228 cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb3_fs_context *ctx) in cifs_get_smb_ses() argument
2230 struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)&server->dstaddr; in cifs_get_smb_ses()
2231 struct sockaddr_in *addr = (struct sockaddr_in *)&server->dstaddr; in cifs_get_smb_ses()
2240 ses = cifs_find_smb_ses(server, ctx); in cifs_get_smb_ses()
2246 if (cifs_chan_needs_reconnect(ses, server)) { in cifs_get_smb_ses()
2253 rc = cifs_negotiate_protocol(xid, ses, server); in cifs_get_smb_ses()
2262 rc = cifs_setup_session(xid, ses, server, in cifs_get_smb_ses()
2284 /* existing SMB ses has a server reference already */ in cifs_get_smb_ses()
2285 cifs_put_tcp_session(server, 0); in cifs_get_smb_ses()
2297 /* new SMB session uses our server ref */ in cifs_get_smb_ses()
2298 ses->server = server; in cifs_get_smb_ses()
2299 if (server->dstaddr.ss_family == AF_INET6) in cifs_get_smb_ses()
2367 /* add server as first channel */ in cifs_get_smb_ses()
2369 ses->chans[0].server = server; in cifs_get_smb_ses()
2377 rc = cifs_negotiate_protocol(xid, ses, server); in cifs_get_smb_ses()
2379 rc = cifs_setup_session(xid, ses, server, ctx->local_nls); in cifs_get_smb_ses()
2406 list_add(&ses->smb_ses_list, &server->smb_ses_list); in cifs_get_smb_ses()
2424 struct TCP_Server_Info *server = tcon->ses->server; in match_tcon() local
2434 } else if (!server->leaf_fullpath && in match_tcon()
2527 if (ses->server->ops->tree_disconnect) in cifs_put_tcon()
2528 ses->server->ops->tree_disconnect(xid, tcon); in cifs_put_tcon()
2579 if (!ses->server->ops->tree_connect) { in cifs_get_tcon()
2584 if (ses->server->dialect >= SMB20_PROT_ID && in cifs_get_tcon()
2585 (ses->server->capabilities & SMB2_GLOBAL_CAP_DIRECTORY_LEASING)) in cifs_get_tcon()
2597 if (ses->server->vals->protocol_id == 0) { in cifs_get_tcon()
2607 if (ses->server->vals->protocol_id == 0) { in cifs_get_tcon()
2626 if (ses->server->vals->protocol_id == 0) { in cifs_get_tcon()
2631 } else if (tcon->ses->server->capabilities & in cifs_get_tcon()
2642 if (ses->server->posix_ext_supported) { in cifs_get_tcon()
2645 } else if ((ses->server->vals->protocol_id == SMB311_PROT_ID) || in cifs_get_tcon()
2646 (strcmp(ses->server->vals->version_string, in cifs_get_tcon()
2648 (strcmp(ses->server->vals->version_string, in cifs_get_tcon()
2650 cifs_dbg(VFS, "Server does not support mounting with posix SMB3.11 extensions\n"); in cifs_get_tcon()
2653 } else if (ses->server->vals->protocol_id == SMB10_PROT_ID) in cifs_get_tcon()
2657 cifs_dbg(VFS, "SMB1 Unix Extensions not supported by server\n"); in cifs_get_tcon()
2669 rc = ses->server->ops->tree_connect(xid, ses, ctx->UNC, tcon, in cifs_get_tcon()
2679 if (ses->server->vals->protocol_id == 0) { in cifs_get_tcon()
2684 } else if (ses->server->capabilities & in cifs_get_tcon()
2694 && (ses->server->capabilities & SMB2_GLOBAL_CAP_PERSISTENT_HANDLES) in cifs_get_tcon()
2699 if (ses->server->vals->protocol_id == 0) { in cifs_get_tcon()
2710 if (ses->server->vals->protocol_id >= SMB30_PROT_ID) { in cifs_get_tcon()
2745 if (ses->server->vals->protocol_id == 0) { in cifs_get_tcon()
2756 * resources mounted more than once to the same server share the last in cifs_get_tcon()
2770 if (ses->server->dialect >= SMB30_PROT_ID && in cifs_get_tcon()
2771 (ses->server->capabilities & SMB2_GLOBAL_CAP_MULTI_CHANNEL)) { in cifs_get_tcon()
2915 tcp_srv = ses->server; in cifs_match_super()
2993 bind_socket(struct TCP_Server_Info *server) in bind_socket() argument
2997 if (server->srcaddr.ss_family != AF_UNSPEC) { in bind_socket()
2999 struct socket *socket = server->ssocket; in bind_socket()
3002 (struct sockaddr *) &server->srcaddr, in bind_socket()
3003 sizeof(server->srcaddr)); in bind_socket()
3008 saddr4 = (struct sockaddr_in *)&server->srcaddr; in bind_socket()
3009 saddr6 = (struct sockaddr_in6 *)&server->srcaddr; in bind_socket()
3022 ip_rfc1001_connect(struct TCP_Server_Info *server) in ip_rfc1001_connect() argument
3036 if (server->server_RFC1001_name[0] != 0) in ip_rfc1001_connect()
3038 server->server_RFC1001_name, in ip_rfc1001_connect()
3048 if (server->workstation_RFC1001_name[0] != 0) in ip_rfc1001_connect()
3050 server->workstation_RFC1001_name, in ip_rfc1001_connect()
3064 rc = smb_send(server, smb_buf, len); in ip_rfc1001_connect()
3066 * RFC1001 layer in at least one server requires very short break before in ip_rfc1001_connect()
3077 generic_ip_connect(struct TCP_Server_Info *server) in generic_ip_connect() argument
3085 saddr = (struct sockaddr *) &server->dstaddr; in generic_ip_connect()
3087 if (server->dstaddr.ss_family == AF_INET6) { in generic_ip_connect()
3088 struct sockaddr_in6 *ipv6 = (struct sockaddr_in6 *)&server->dstaddr; in generic_ip_connect()
3096 struct sockaddr_in *ipv4 = (struct sockaddr_in *)&server->dstaddr; in generic_ip_connect()
3105 if (server->ssocket) { in generic_ip_connect()
3106 socket = server->ssocket; in generic_ip_connect()
3108 struct net *net = cifs_net_ns(server); in generic_ip_connect()
3112 IPPROTO_TCP, &server->ssocket, 1); in generic_ip_connect()
3118 sk = server->ssocket->sk; in generic_ip_connect()
3126 socket = server->ssocket; in generic_ip_connect()
3135 rc = bind_socket(server); in generic_ip_connect()
3148 if (server->noautotune) { in generic_ip_connect()
3155 if (server->tcp_nodelay) in generic_ip_connect()
3163 server->noblockcnt ? O_NONBLOCK : 0); in generic_ip_connect()
3169 if (server->noblockcnt && rc == -EINPROGRESS) in generic_ip_connect()
3172 cifs_dbg(FYI, "Error %d connecting to server\n", rc); in generic_ip_connect()
3173 trace_smb3_connect_err(server->hostname, server->conn_id, &server->dstaddr, rc); in generic_ip_connect()
3175 server->ssocket = NULL; in generic_ip_connect()
3178 trace_smb3_connect_done(server->hostname, server->conn_id, &server->dstaddr); in generic_ip_connect()
3180 rc = ip_rfc1001_connect(server); in generic_ip_connect()
3186 ip_connect(struct TCP_Server_Info *server) in ip_connect() argument
3189 struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)&server->dstaddr; in ip_connect()
3190 struct sockaddr_in *addr = (struct sockaddr_in *)&server->dstaddr; in ip_connect()
3192 if (server->dstaddr.ss_family == AF_INET6) in ip_connect()
3203 rc = generic_ip_connect(server); in ip_connect()
3211 return generic_ip_connect(server); in ip_connect()
3226 * What if we wanted to mount the server share twice once with in reset_cifs_unix_caps()
3247 cifs_dbg(FYI, "unix caps which server supports %lld\n", cap); in reset_cifs_unix_caps()
3265 cifs_dbg(VFS, "server disabled POSIX path support\n"); in reset_cifs_unix_caps()
3316 …cifs_dbg(VFS, "Negotiating Unix capabilities with the server failed. Consider mounting with the Un… in reset_cifs_unix_caps()
3384 else if (mnt_ctx->server) in cifs_mount_put_conns()
3385 cifs_put_tcp_session(mnt_ctx->server, 0); in cifs_mount_put_conns()
3388 mnt_ctx->server = NULL; in cifs_mount_put_conns()
3395 struct TCP_Server_Info *server = NULL; in cifs_mount_get_session() local
3410 server = cifs_get_tcp_session(ctx, NULL); in cifs_mount_get_session()
3411 if (IS_ERR(server)) { in cifs_mount_get_session()
3412 rc = PTR_ERR(server); in cifs_mount_get_session()
3413 server = NULL; in cifs_mount_get_session()
3418 ses = cifs_get_smb_ses(server, ctx); in cifs_mount_get_session()
3425 if ((ctx->persistent == true) && (!(ses->server->capabilities & in cifs_mount_get_session()
3427 cifs_server_dbg(VFS, "persistent handles not supported by server\n"); in cifs_mount_get_session()
3433 mnt_ctx->server = server; in cifs_mount_get_session()
3442 struct TCP_Server_Info *server; in cifs_mount_get_tcon() local
3448 if (WARN_ON_ONCE(!mnt_ctx || !mnt_ctx->server || !mnt_ctx->ses || !mnt_ctx->fs_ctx || in cifs_mount_get_tcon()
3453 server = mnt_ctx->server; in cifs_mount_get_tcon()
3457 /* search for existing tcon to this server share */ in cifs_mount_get_tcon()
3470 /* tell server which Unix caps we support */ in cifs_mount_get_tcon()
3477 spin_lock(&tcon->ses->server->srv_lock); in cifs_mount_get_tcon()
3478 if ((tcon->ses->server->tcpStatus == CifsNeedReconnect) && in cifs_mount_get_tcon()
3481 spin_unlock(&tcon->ses->server->srv_lock); in cifs_mount_get_tcon()
3485 spin_unlock(&tcon->ses->server->srv_lock); in cifs_mount_get_tcon()
3488 tcon->unix_ext = 0; /* server does not support them */ in cifs_mount_get_tcon()
3491 if (!tcon->pipe && server->ops->qfs_tcon) { in cifs_mount_get_tcon()
3492 server->ops->qfs_tcon(mnt_ctx->xid, tcon, cifs_sb); in cifs_mount_get_tcon()
3505 * Clamp the rsize/wsize mount arguments if they are too big for the server in cifs_mount_get_tcon()
3510 (cifs_sb->ctx->wsize > server->ops->negotiate_wsize(tcon, ctx))) { in cifs_mount_get_tcon()
3512 round_down(server->ops->negotiate_wsize(tcon, ctx), PAGE_SIZE); in cifs_mount_get_tcon()
3514 * in the very unlikely event that the server sent a max write size under PAGE_SIZE, in cifs_mount_get_tcon()
3523 (cifs_sb->ctx->rsize > server->ops->negotiate_rsize(tcon, ctx))) in cifs_mount_get_tcon()
3524 cifs_sb->ctx->rsize = server->ops->negotiate_rsize(tcon, ctx); in cifs_mount_get_tcon()
3566 cifs_are_all_path_components_accessible(struct TCP_Server_Info *server, in cifs_are_all_path_components_accessible() argument
3581 rc = server->ops->is_path_accessible(xid, tcon, cifs_sb, ""); in cifs_are_all_path_components_accessible()
3605 rc = server->ops->is_path_accessible(xid, tcon, cifs_sb, in cifs_are_all_path_components_accessible()
3621 struct TCP_Server_Info *server = mnt_ctx->server; in cifs_is_path_remote() local
3627 if (!server->ops->is_path_accessible) in cifs_is_path_remote()
3640 rc = server->ops->is_path_accessible(xid, tcon, cifs_sb, in cifs_is_path_remote()
3646 rc = cifs_are_all_path_components_accessible(server, xid, tcon, in cifs_is_path_remote()
3673 * After reconnecting to a different server, unique ids won't match anymore, so we disable in cifs_mount()
3715 if (WARN_ON(!mnt_ctx.server)) in cifs_mount()
3774 smb_buffer->Mid = get_next_mid(ses->server); in CIFSTCon()
3788 if (ses->server->sign) in CIFSTCon()
3802 (/* server len*/ + 256 /* share len */), nls_codepage); in CIFSTCon()
3923 struct TCP_Server_Info *server) in cifs_negotiate_protocol() argument
3927 if (!server->ops->need_neg || !server->ops->negotiate) in cifs_negotiate_protocol()
3931 spin_lock(&server->srv_lock); in cifs_negotiate_protocol()
3932 if (server->tcpStatus != CifsGood && in cifs_negotiate_protocol()
3933 server->tcpStatus != CifsNew && in cifs_negotiate_protocol()
3934 server->tcpStatus != CifsNeedNegotiate) { in cifs_negotiate_protocol()
3935 spin_unlock(&server->srv_lock); in cifs_negotiate_protocol()
3939 if (!server->ops->need_neg(server) && in cifs_negotiate_protocol()
3940 server->tcpStatus == CifsGood) { in cifs_negotiate_protocol()
3941 spin_unlock(&server->srv_lock); in cifs_negotiate_protocol()
3945 server->tcpStatus = CifsInNegotiate; in cifs_negotiate_protocol()
3946 spin_unlock(&server->srv_lock); in cifs_negotiate_protocol()
3948 rc = server->ops->negotiate(xid, ses, server); in cifs_negotiate_protocol()
3950 spin_lock(&server->srv_lock); in cifs_negotiate_protocol()
3951 if (server->tcpStatus == CifsInNegotiate) in cifs_negotiate_protocol()
3952 server->tcpStatus = CifsGood; in cifs_negotiate_protocol()
3955 spin_unlock(&server->srv_lock); in cifs_negotiate_protocol()
3957 spin_lock(&server->srv_lock); in cifs_negotiate_protocol()
3958 if (server->tcpStatus == CifsInNegotiate) in cifs_negotiate_protocol()
3959 server->tcpStatus = CifsNeedNegotiate; in cifs_negotiate_protocol()
3960 spin_unlock(&server->srv_lock); in cifs_negotiate_protocol()
3968 struct TCP_Server_Info *server, in cifs_setup_session() argument
3972 struct TCP_Server_Info *pserver = SERVER_IS_CHAN(server) ? server->primary_server : server; in cifs_setup_session()
3998 cifs_chan_set_in_reconnect(ses, server); in cifs_setup_session()
4011 if (server == pserver) { in cifs_setup_session()
4012 if (server->dstaddr.ss_family == AF_INET6) in cifs_setup_session()
4019 ses->capabilities = server->capabilities; in cifs_setup_session()
4021 ses->capabilities &= (~server->vals->cap_unix); in cifs_setup_session()
4033 server->sec_mode, server->capabilities, server->timeAdj); in cifs_setup_session()
4035 if (server->ops->sess_setup) in cifs_setup_session()
4036 rc = server->ops->sess_setup(xid, ses, server, nls_info); in cifs_setup_session()
4044 cifs_chan_clear_in_reconnect(ses, server); in cifs_setup_session()
4052 cifs_chan_clear_in_reconnect(ses, server); in cifs_setup_session()
4053 cifs_chan_clear_need_reconnect(ses, server); in cifs_setup_session()
4115 ++master_tcon->ses->server->srv_count; in cifs_construct_tcon()
4118 ses = cifs_get_smb_ses(master_tcon->ses->server, ctx); in cifs_construct_tcon()
4121 cifs_put_tcp_session(master_tcon->ses->server, 0); in cifs_construct_tcon()
4365 const struct smb_version_operations *ops = tcon->ses->server->ops; in cifs_tree_connect()