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()
128 * query server network interfaces, in case they change in smb2_query_server_interfaces()
138 cifs_dbg(FYI, "%s: failed to query server interfaces: %d\n", in smb2_query_server_interfaces()
147 * Update the tcpStatus for the server.
152 * @server: the tcp ses for which reconnect is needed
156 cifs_signal_cifsd_for_reconnect(struct TCP_Server_Info *server, in cifs_signal_cifsd_for_reconnect() argument
163 /* If server is a channel, select the primary channel */ in cifs_signal_cifsd_for_reconnect()
164 pserver = SERVER_IS_CHAN(server) ? server->primary_server : server; in cifs_signal_cifsd_for_reconnect()
168 spin_lock(&server->srv_lock); in cifs_signal_cifsd_for_reconnect()
169 if (server->tcpStatus != CifsExiting) in cifs_signal_cifsd_for_reconnect()
170 server->tcpStatus = CifsNeedReconnect; in cifs_signal_cifsd_for_reconnect()
171 spin_unlock(&server->srv_lock); in cifs_signal_cifsd_for_reconnect()
179 if (!ses->chans[i].server) in cifs_signal_cifsd_for_reconnect()
182 spin_lock(&ses->chans[i].server->srv_lock); in cifs_signal_cifsd_for_reconnect()
183 if (ses->chans[i].server->tcpStatus != CifsExiting) in cifs_signal_cifsd_for_reconnect()
184 ses->chans[i].server->tcpStatus = CifsNeedReconnect; in cifs_signal_cifsd_for_reconnect()
185 spin_unlock(&ses->chans[i].server->srv_lock); in cifs_signal_cifsd_for_reconnect()
198 * @server: the tcp ses for which reconnect is needed
199 * @server needs to be previously set to CifsNeedReconnect.
203 cifs_mark_tcp_ses_conns_for_reconnect(struct TCP_Server_Info *server, in cifs_mark_tcp_ses_conns_for_reconnect() argument
216 /* If server is a channel, select the primary channel */ in cifs_mark_tcp_ses_conns_for_reconnect()
217 pserver = SERVER_IS_CHAN(server) ? server->primary_server : server; in cifs_mark_tcp_ses_conns_for_reconnect()
220 * if the server has been marked for termination, there is a in cifs_mark_tcp_ses_conns_for_reconnect()
227 if (server->terminate) { in cifs_mark_tcp_ses_conns_for_reconnect()
229 server = pserver; in cifs_mark_tcp_ses_conns_for_reconnect()
236 if (cifs_ses_get_chan_index(ses, server) == in cifs_mark_tcp_ses_conns_for_reconnect()
242 if (!cifs_chan_is_iface_active(ses, server)) { in cifs_mark_tcp_ses_conns_for_reconnect()
244 cifs_chan_update_iface(ses, server); in cifs_mark_tcp_ses_conns_for_reconnect()
248 if (!mark_smb_session && cifs_chan_needs_reconnect(ses, server)) { in cifs_mark_tcp_ses_conns_for_reconnect()
256 cifs_chan_set_need_reconnect(ses, server); in cifs_mark_tcp_ses_conns_for_reconnect()
291 cifs_abort_connection(struct TCP_Server_Info *server) in cifs_abort_connection() argument
296 server->maxBuf = 0; in cifs_abort_connection()
297 server->max_read = 0; in cifs_abort_connection()
301 cifs_server_lock(server); in cifs_abort_connection()
302 if (server->ssocket) { in cifs_abort_connection()
303 cifs_dbg(FYI, "State: 0x%x Flags: 0x%lx\n", server->ssocket->state, in cifs_abort_connection()
304 server->ssocket->flags); in cifs_abort_connection()
305 kernel_sock_shutdown(server->ssocket, SHUT_WR); in cifs_abort_connection()
306 cifs_dbg(FYI, "Post shutdown state: 0x%x Flags: 0x%lx\n", server->ssocket->state, in cifs_abort_connection()
307 server->ssocket->flags); in cifs_abort_connection()
308 sock_release(server->ssocket); in cifs_abort_connection()
309 server->ssocket = NULL; in cifs_abort_connection()
311 server->sequence_number = 0; in cifs_abort_connection()
312 server->session_estab = false; in cifs_abort_connection()
313 kfree_sensitive(server->session_key.response); in cifs_abort_connection()
314 server->session_key.response = NULL; in cifs_abort_connection()
315 server->session_key.len = 0; in cifs_abort_connection()
316 server->lstrp = jiffies; in cifs_abort_connection()
321 spin_lock(&server->mid_lock); in cifs_abort_connection()
322 list_for_each_entry_safe(mid, nmid, &server->pending_mid_q, qhead) { in cifs_abort_connection()
329 spin_unlock(&server->mid_lock); in cifs_abort_connection()
330 cifs_server_unlock(server); in cifs_abort_connection()
339 if (cifs_rdma_enabled(server)) { in cifs_abort_connection()
340 cifs_server_lock(server); in cifs_abort_connection()
341 smbd_destroy(server); in cifs_abort_connection()
342 cifs_server_unlock(server); in cifs_abort_connection()
346 static bool cifs_tcp_ses_needs_reconnect(struct TCP_Server_Info *server, int num_targets) in cifs_tcp_ses_needs_reconnect() argument
348 spin_lock(&server->srv_lock); in cifs_tcp_ses_needs_reconnect()
349 server->nr_targets = num_targets; in cifs_tcp_ses_needs_reconnect()
350 if (server->tcpStatus == CifsExiting) { in cifs_tcp_ses_needs_reconnect()
352 spin_unlock(&server->srv_lock); in cifs_tcp_ses_needs_reconnect()
353 wake_up(&server->response_q); in cifs_tcp_ses_needs_reconnect()
358 trace_smb3_reconnect(server->CurrentMid, server->conn_id, in cifs_tcp_ses_needs_reconnect()
359 server->hostname); in cifs_tcp_ses_needs_reconnect()
360 server->tcpStatus = CifsNeedReconnect; in cifs_tcp_ses_needs_reconnect()
362 spin_unlock(&server->srv_lock); in cifs_tcp_ses_needs_reconnect()
379 static int __cifs_reconnect(struct TCP_Server_Info *server, in __cifs_reconnect() argument
384 if (!cifs_tcp_ses_needs_reconnect(server, 1)) in __cifs_reconnect()
387 cifs_mark_tcp_ses_conns_for_reconnect(server, mark_smb_session); in __cifs_reconnect()
389 cifs_abort_connection(server); in __cifs_reconnect()
393 cifs_server_lock(server); in __cifs_reconnect()
395 if (!cifs_swn_set_server_dstaddr(server)) { in __cifs_reconnect()
397 rc = reconn_set_ipaddr_from_hostname(server); in __cifs_reconnect()
401 if (cifs_rdma_enabled(server)) in __cifs_reconnect()
402 rc = smbd_reconnect(server); in __cifs_reconnect()
404 rc = generic_ip_connect(server); in __cifs_reconnect()
406 cifs_server_unlock(server); in __cifs_reconnect()
411 set_credits(server, 1); in __cifs_reconnect()
412 spin_lock(&server->srv_lock); in __cifs_reconnect()
413 if (server->tcpStatus != CifsExiting) in __cifs_reconnect()
414 server->tcpStatus = CifsNeedNegotiate; in __cifs_reconnect()
415 spin_unlock(&server->srv_lock); in __cifs_reconnect()
416 cifs_swn_reset_server_dstaddr(server); in __cifs_reconnect()
417 cifs_server_unlock(server); in __cifs_reconnect()
418 mod_delayed_work(cifsiod_wq, &server->reconnect, 0); in __cifs_reconnect()
420 } while (server->tcpStatus == CifsNeedReconnect); in __cifs_reconnect()
422 spin_lock(&server->srv_lock); in __cifs_reconnect()
423 if (server->tcpStatus == CifsNeedNegotiate) in __cifs_reconnect()
424 mod_delayed_work(cifsiod_wq, &server->echo, 0); in __cifs_reconnect()
425 spin_unlock(&server->srv_lock); in __cifs_reconnect()
427 wake_up(&server->response_q); in __cifs_reconnect()
432 static int __reconnect_target_unlocked(struct TCP_Server_Info *server, const char *target) in __reconnect_target_unlocked() argument
437 if (!cifs_swn_set_server_dstaddr(server)) { in __reconnect_target_unlocked()
438 if (server->hostname != target) { in __reconnect_target_unlocked()
441 spin_lock(&server->srv_lock); in __reconnect_target_unlocked()
442 kfree(server->hostname); in __reconnect_target_unlocked()
443 server->hostname = hostname; in __reconnect_target_unlocked()
444 spin_unlock(&server->srv_lock); in __reconnect_target_unlocked()
448 cifs_dbg(FYI, "%s: default to last target server: %s\n", __func__, in __reconnect_target_unlocked()
449 server->hostname); in __reconnect_target_unlocked()
453 rc = reconn_set_ipaddr_from_hostname(server); in __reconnect_target_unlocked()
457 if (cifs_rdma_enabled(server)) in __reconnect_target_unlocked()
458 rc = smbd_reconnect(server); in __reconnect_target_unlocked()
460 rc = generic_ip_connect(server); in __reconnect_target_unlocked()
465 static int reconnect_target_unlocked(struct TCP_Server_Info *server, struct dfs_cache_tgt_list *tl, in reconnect_target_unlocked() argument
473 /* If dfs target list is empty, then reconnect to last server */ in reconnect_target_unlocked()
476 return __reconnect_target_unlocked(server, server->hostname); in reconnect_target_unlocked()
480 rc = __reconnect_target_unlocked(server, dfs_cache_get_tgt_name(tit)); in reconnect_target_unlocked()
489 static int reconnect_dfs_server(struct TCP_Server_Info *server) in reconnect_dfs_server() argument
501 * targets (server->nr_targets). It's also possible that the cached referral was cleared in reconnect_dfs_server()
502 * through /proc/fs/cifs/dfscache or the target list is empty due to server settings after in reconnect_dfs_server()
505 mutex_lock(&server->refpath_lock); in reconnect_dfs_server()
506 if (!dfs_cache_noreq_find(server->leaf_fullpath + 1, NULL, &tl)) in reconnect_dfs_server()
508 mutex_unlock(&server->refpath_lock); in reconnect_dfs_server()
512 if (!cifs_tcp_ses_needs_reconnect(server, num_targets)) in reconnect_dfs_server()
517 * different server or share during failover. It could be improved by adding some logic to in reconnect_dfs_server()
518 * only do that in case it connects to a different server or share, though. in reconnect_dfs_server()
520 cifs_mark_tcp_ses_conns_for_reconnect(server, true); in reconnect_dfs_server()
522 cifs_abort_connection(server); in reconnect_dfs_server()
526 cifs_server_lock(server); in reconnect_dfs_server()
528 rc = reconnect_target_unlocked(server, &tl, &target_hint); in reconnect_dfs_server()
531 cifs_server_unlock(server); in reconnect_dfs_server()
539 * through the reconnected target server. in reconnect_dfs_server()
542 set_credits(server, 1); in reconnect_dfs_server()
543 spin_lock(&server->srv_lock); in reconnect_dfs_server()
544 if (server->tcpStatus != CifsExiting) in reconnect_dfs_server()
545 server->tcpStatus = CifsNeedNegotiate; in reconnect_dfs_server()
546 spin_unlock(&server->srv_lock); in reconnect_dfs_server()
547 cifs_swn_reset_server_dstaddr(server); in reconnect_dfs_server()
548 cifs_server_unlock(server); in reconnect_dfs_server()
549 mod_delayed_work(cifsiod_wq, &server->reconnect, 0); in reconnect_dfs_server()
550 } while (server->tcpStatus == CifsNeedReconnect); in reconnect_dfs_server()
552 mutex_lock(&server->refpath_lock); in reconnect_dfs_server()
553 dfs_cache_noreq_update_tgthint(server->leaf_fullpath + 1, target_hint); in reconnect_dfs_server()
554 mutex_unlock(&server->refpath_lock); in reconnect_dfs_server()
558 spin_lock(&server->srv_lock); in reconnect_dfs_server()
559 if (server->tcpStatus == CifsNeedNegotiate) in reconnect_dfs_server()
560 mod_delayed_work(cifsiod_wq, &server->echo, 0); in reconnect_dfs_server()
561 spin_unlock(&server->srv_lock); in reconnect_dfs_server()
563 wake_up(&server->response_q); in reconnect_dfs_server()
567 int cifs_reconnect(struct TCP_Server_Info *server, bool mark_smb_session) in cifs_reconnect() argument
569 mutex_lock(&server->refpath_lock); in cifs_reconnect()
570 if (!server->leaf_fullpath) { in cifs_reconnect()
571 mutex_unlock(&server->refpath_lock); in cifs_reconnect()
572 return __cifs_reconnect(server, mark_smb_session); in cifs_reconnect()
574 mutex_unlock(&server->refpath_lock); in cifs_reconnect()
576 return reconnect_dfs_server(server); in cifs_reconnect()
579 int cifs_reconnect(struct TCP_Server_Info *server, bool mark_smb_session) in cifs_reconnect() argument
581 return __cifs_reconnect(server, mark_smb_session); in cifs_reconnect()
589 struct TCP_Server_Info *server = container_of(work, in cifs_echo_request() local
597 if (server->tcpStatus == CifsNeedReconnect || in cifs_echo_request()
598 server->tcpStatus == CifsExiting || in cifs_echo_request()
599 server->tcpStatus == CifsNew || in cifs_echo_request()
600 (server->ops->can_echo && !server->ops->can_echo(server)) || in cifs_echo_request()
601 time_before(jiffies, server->lstrp + server->echo_interval - HZ)) in cifs_echo_request()
604 rc = server->ops->echo ? server->ops->echo(server) : -ENOSYS; in cifs_echo_request()
611 queue_delayed_work(cifsiod_wq, &server->echo, server->echo_interval); in cifs_echo_request()
615 allocate_buffers(struct TCP_Server_Info *server) in allocate_buffers() argument
617 if (!server->bigbuf) { in allocate_buffers()
618 server->bigbuf = (char *)cifs_buf_get(); in allocate_buffers()
619 if (!server->bigbuf) { in allocate_buffers()
625 } else if (server->large_buf) { in allocate_buffers()
627 memset(server->bigbuf, 0, HEADER_SIZE(server)); in allocate_buffers()
630 if (!server->smallbuf) { in allocate_buffers()
631 server->smallbuf = (char *)cifs_small_buf_get(); in allocate_buffers()
632 if (!server->smallbuf) { in allocate_buffers()
641 memset(server->smallbuf, 0, HEADER_SIZE(server)); in allocate_buffers()
648 server_unresponsive(struct TCP_Server_Info *server) in server_unresponsive() argument
661 spin_lock(&server->srv_lock); in server_unresponsive()
662 if ((server->tcpStatus == CifsGood || in server_unresponsive()
663 server->tcpStatus == CifsNeedNegotiate) && in server_unresponsive()
664 (!server->ops->can_echo || server->ops->can_echo(server)) && in server_unresponsive()
665 time_after(jiffies, server->lstrp + 3 * server->echo_interval)) { in server_unresponsive()
666 spin_unlock(&server->srv_lock); in server_unresponsive()
668 (3 * server->echo_interval) / HZ); in server_unresponsive()
669 cifs_reconnect(server, false); in server_unresponsive()
672 spin_unlock(&server->srv_lock); in server_unresponsive()
678 zero_credits(struct TCP_Server_Info *server) in zero_credits() argument
682 spin_lock(&server->req_lock); in zero_credits()
683 val = server->credits + server->echo_credits + server->oplock_credits; in zero_credits()
684 if (server->in_flight == 0 && val == 0) { in zero_credits()
685 spin_unlock(&server->req_lock); in zero_credits()
688 spin_unlock(&server->req_lock); in zero_credits()
693 cifs_readv_from_socket(struct TCP_Server_Info *server, struct msghdr *smb_msg) in cifs_readv_from_socket() argument
702 if (zero_credits(server)) { in cifs_readv_from_socket()
703 cifs_reconnect(server, false); in cifs_readv_from_socket()
707 if (server_unresponsive(server)) in cifs_readv_from_socket()
709 if (cifs_rdma_enabled(server) && server->smbd_conn) in cifs_readv_from_socket()
710 length = smbd_recv(server->smbd_conn, smb_msg); in cifs_readv_from_socket()
712 length = sock_recvmsg(server->ssocket, smb_msg, 0); in cifs_readv_from_socket()
714 spin_lock(&server->srv_lock); in cifs_readv_from_socket()
715 if (server->tcpStatus == CifsExiting) { in cifs_readv_from_socket()
716 spin_unlock(&server->srv_lock); in cifs_readv_from_socket()
720 if (server->tcpStatus == CifsNeedReconnect) { in cifs_readv_from_socket()
721 spin_unlock(&server->srv_lock); in cifs_readv_from_socket()
722 cifs_reconnect(server, false); in cifs_readv_from_socket()
725 spin_unlock(&server->srv_lock); in cifs_readv_from_socket()
733 * CifsNeedReconnect if server hung. in cifs_readv_from_socket()
742 cifs_reconnect(server, false); in cifs_readv_from_socket()
750 cifs_read_from_socket(struct TCP_Server_Info *server, char *buf, in cifs_read_from_socket() argument
758 return cifs_readv_from_socket(server, &smb_msg); in cifs_read_from_socket()
762 cifs_discard_from_socket(struct TCP_Server_Info *server, size_t to_read) in cifs_discard_from_socket() argument
773 return cifs_readv_from_socket(server, &smb_msg); in cifs_discard_from_socket()
777 cifs_read_page_from_socket(struct TCP_Server_Info *server, struct page *page, in cifs_read_page_from_socket() argument
785 return cifs_readv_from_socket(server, &smb_msg); in cifs_read_page_from_socket()
789 cifs_read_iter_from_socket(struct TCP_Server_Info *server, struct iov_iter *iter, in cifs_read_iter_from_socket() argument
796 ret = cifs_readv_from_socket(server, &smb_msg); in cifs_read_iter_from_socket()
803 is_smb_response(struct TCP_Server_Info *server, unsigned char type) in is_smb_response() argument
826 /* give server a second to clean up */ in is_smb_response()
834 cifs_set_port((struct sockaddr *)&server->dstaddr, CIFS_PORT); in is_smb_response()
835 cifs_reconnect(server, true); in is_smb_response()
839 cifs_reconnect(server, true); in is_smb_response()
851 spin_lock(&mid->server->mid_lock); in dequeue_mid()
861 spin_unlock(&mid->server->mid_lock); in dequeue_mid()
866 spin_unlock(&mid->server->mid_lock); in dequeue_mid()
871 smb2_get_credits_from_hdr(char *buffer, struct TCP_Server_Info *server) in smb2_get_credits_from_hdr() argument
878 if (is_smb1(server)) in smb2_get_credits_from_hdr()
885 handle_mid(struct mid_q_entry *mid, struct TCP_Server_Info *server, in handle_mid() argument
888 if (server->ops->check_trans2 && in handle_mid()
889 server->ops->check_trans2(mid, server, buf, malformed)) in handle_mid()
891 mid->credits_received = smb2_get_credits_from_hdr(buf, server); in handle_mid()
893 mid->large_buf = server->large_buf; in handle_mid()
897 if (server->large_buf) in handle_mid()
898 server->bigbuf = NULL; in handle_mid()
900 server->smallbuf = NULL; in handle_mid()
906 cifs_enable_signing(struct TCP_Server_Info *server, bool mnt_sign_required) in cifs_enable_signing() argument
908 bool srv_sign_required = server->sec_mode & server->vals->signing_required; in cifs_enable_signing()
909 bool srv_sign_enabled = server->sec_mode & server->vals->signing_enabled; in cifs_enable_signing()
927 /* If server requires signing, does client allow it? */ in cifs_enable_signing()
930 cifs_dbg(VFS, "Server requires signing, but it's disabled in SecurityFlags!\n"); in cifs_enable_signing()
933 server->sign = true; in cifs_enable_signing()
936 /* If client requires signing, does server allow it? */ in cifs_enable_signing()
939 cifs_dbg(VFS, "Server does not support signing!\n"); in cifs_enable_signing()
942 server->sign = true; in cifs_enable_signing()
945 if (cifs_rdma_enabled(server) && server->sign) in cifs_enable_signing()
952 clean_demultiplex_info(struct TCP_Server_Info *server) in clean_demultiplex_info() argument
957 spin_lock(&server->srv_lock); in clean_demultiplex_info()
958 list_del_init(&server->tcp_ses_list); in clean_demultiplex_info()
959 spin_unlock(&server->srv_lock); in clean_demultiplex_info()
961 cancel_delayed_work_sync(&server->echo); in clean_demultiplex_info()
963 spin_lock(&server->srv_lock); in clean_demultiplex_info()
964 server->tcpStatus = CifsExiting; in clean_demultiplex_info()
965 spin_unlock(&server->srv_lock); in clean_demultiplex_info()
966 wake_up_all(&server->response_q); in clean_demultiplex_info()
969 spin_lock(&server->req_lock); in clean_demultiplex_info()
970 if (server->credits <= 0) in clean_demultiplex_info()
971 server->credits = 1; in clean_demultiplex_info()
972 spin_unlock(&server->req_lock); in clean_demultiplex_info()
977 * same server - they now will see the session is in exit state and get in clean_demultiplex_info()
980 wake_up_all(&server->request_q); in clean_demultiplex_info()
983 if (cifs_rdma_enabled(server)) in clean_demultiplex_info()
984 smbd_destroy(server); in clean_demultiplex_info()
985 if (server->ssocket) { in clean_demultiplex_info()
986 sock_release(server->ssocket); in clean_demultiplex_info()
987 server->ssocket = NULL; in clean_demultiplex_info()
990 if (!list_empty(&server->pending_mid_q)) { in clean_demultiplex_info()
996 spin_lock(&server->mid_lock); in clean_demultiplex_info()
997 list_for_each_safe(tmp, tmp2, &server->pending_mid_q) { in clean_demultiplex_info()
1005 spin_unlock(&server->mid_lock); in clean_demultiplex_info()
1019 if (!list_empty(&server->pending_mid_q)) { in clean_demultiplex_info()
1036 kfree(server->leaf_fullpath); in clean_demultiplex_info()
1037 kfree(server); in clean_demultiplex_info()
1045 standard_receive3(struct TCP_Server_Info *server, struct mid_q_entry *mid) in standard_receive3() argument
1048 char *buf = server->smallbuf; in standard_receive3()
1049 unsigned int pdu_length = server->pdu_size; in standard_receive3()
1052 if (pdu_length > CIFSMaxBufSize + MAX_HEADER_SIZE(server) - in standard_receive3()
1053 HEADER_PREAMBLE_SIZE(server)) { in standard_receive3()
1055 cifs_reconnect(server, true); in standard_receive3()
1061 server->large_buf = true; in standard_receive3()
1062 memcpy(server->bigbuf, buf, server->total_read); in standard_receive3()
1063 buf = server->bigbuf; in standard_receive3()
1067 length = cifs_read_from_socket(server, buf + HEADER_SIZE(server) - 1, in standard_receive3()
1068 pdu_length - MID_HEADER_SIZE(server)); in standard_receive3()
1072 server->total_read += length; in standard_receive3()
1074 dump_smb(buf, server->total_read); in standard_receive3()
1076 return cifs_handle_standard(server, mid); in standard_receive3()
1080 cifs_handle_standard(struct TCP_Server_Info *server, struct mid_q_entry *mid) in cifs_handle_standard() argument
1082 char *buf = server->large_buf ? server->bigbuf : server->smallbuf; in cifs_handle_standard()
1093 rc = server->ops->check_message(buf, server->total_read, server); in cifs_handle_standard()
1096 min_t(unsigned int, server->total_read, 48)); in cifs_handle_standard()
1098 if (server->ops->is_session_expired && in cifs_handle_standard()
1099 server->ops->is_session_expired(buf)) { in cifs_handle_standard()
1100 cifs_reconnect(server, true); in cifs_handle_standard()
1104 if (server->ops->is_status_pending && in cifs_handle_standard()
1105 server->ops->is_status_pending(buf, server)) in cifs_handle_standard()
1111 handle_mid(mid, server, buf, rc); in cifs_handle_standard()
1116 smb2_add_credits_from_hdr(char *buffer, struct TCP_Server_Info *server) in smb2_add_credits_from_hdr() argument
1124 if (is_smb1(server)) in smb2_add_credits_from_hdr()
1128 spin_lock(&server->req_lock); in smb2_add_credits_from_hdr()
1129 server->credits += le16_to_cpu(shdr->CreditRequest); in smb2_add_credits_from_hdr()
1130 scredits = server->credits; in smb2_add_credits_from_hdr()
1131 in_flight = server->in_flight; in smb2_add_credits_from_hdr()
1132 spin_unlock(&server->req_lock); in smb2_add_credits_from_hdr()
1133 wake_up(&server->request_q); in smb2_add_credits_from_hdr()
1135 trace_smb3_hdr_credits(server->CurrentMid, in smb2_add_credits_from_hdr()
1136 server->conn_id, server->hostname, scredits, in smb2_add_credits_from_hdr()
1149 struct TCP_Server_Info *server = p; in cifs_demultiplex_thread() local
1168 while (server->tcpStatus != CifsExiting) { in cifs_demultiplex_thread()
1172 if (!allocate_buffers(server)) in cifs_demultiplex_thread()
1175 server->large_buf = false; in cifs_demultiplex_thread()
1176 buf = server->smallbuf; in cifs_demultiplex_thread()
1179 length = cifs_read_from_socket(server, buf, pdu_length); in cifs_demultiplex_thread()
1183 if (is_smb1(server)) in cifs_demultiplex_thread()
1184 server->total_read = length; in cifs_demultiplex_thread()
1186 server->total_read = 0; in cifs_demultiplex_thread()
1195 if (!is_smb_response(server, buf[0])) in cifs_demultiplex_thread()
1200 server->pdu_size = pdu_length; in cifs_demultiplex_thread()
1203 if (server->pdu_size < MID_HEADER_SIZE(server)) { in cifs_demultiplex_thread()
1205 server->pdu_size); in cifs_demultiplex_thread()
1206 cifs_reconnect(server, true); in cifs_demultiplex_thread()
1211 length = cifs_read_from_socket(server, in cifs_demultiplex_thread()
1212 buf + HEADER_PREAMBLE_SIZE(server), in cifs_demultiplex_thread()
1213 MID_HEADER_SIZE(server)); in cifs_demultiplex_thread()
1216 server->total_read += length; in cifs_demultiplex_thread()
1218 if (server->ops->next_header) { in cifs_demultiplex_thread()
1219 if (server->ops->next_header(server, buf, &next_offset)) { in cifs_demultiplex_thread()
1222 cifs_reconnect(server, true); in cifs_demultiplex_thread()
1226 server->pdu_size = next_offset; in cifs_demultiplex_thread()
1233 if (server->ops->is_transform_hdr && in cifs_demultiplex_thread()
1234 server->ops->receive_transform && in cifs_demultiplex_thread()
1235 server->ops->is_transform_hdr(buf)) { in cifs_demultiplex_thread()
1236 length = server->ops->receive_transform(server, in cifs_demultiplex_thread()
1241 mids[0] = server->ops->find_mid(server, buf); in cifs_demultiplex_thread()
1246 length = standard_receive3(server, mids[0]); in cifs_demultiplex_thread()
1248 length = mids[0]->receive(server, mids[0]); in cifs_demultiplex_thread()
1258 if (server->ops->is_status_io_timeout && in cifs_demultiplex_thread()
1259 server->ops->is_status_io_timeout(buf)) { in cifs_demultiplex_thread()
1271 server->lstrp = jiffies; in cifs_demultiplex_thread()
1275 mids[i]->resp_buf_size = server->pdu_size; in cifs_demultiplex_thread()
1278 if (server->ops->is_network_name_deleted && in cifs_demultiplex_thread()
1279 server->ops->is_network_name_deleted(bufs[i], in cifs_demultiplex_thread()
1280 server)) { in cifs_demultiplex_thread()
1290 } else if (server->ops->is_oplock_break && in cifs_demultiplex_thread()
1291 server->ops->is_oplock_break(bufs[i], in cifs_demultiplex_thread()
1292 server)) { in cifs_demultiplex_thread()
1293 smb2_add_credits_from_hdr(bufs[i], server); in cifs_demultiplex_thread()
1299 HEADER_SIZE(server)); in cifs_demultiplex_thread()
1300 smb2_add_credits_from_hdr(bufs[i], server); in cifs_demultiplex_thread()
1302 if (server->ops->dump_detail) in cifs_demultiplex_thread()
1303 server->ops->dump_detail(bufs[i], in cifs_demultiplex_thread()
1304 server); in cifs_demultiplex_thread()
1305 cifs_dump_mids(server); in cifs_demultiplex_thread()
1310 if (pdu_length > server->pdu_size) { in cifs_demultiplex_thread()
1311 if (!allocate_buffers(server)) in cifs_demultiplex_thread()
1313 pdu_length -= server->pdu_size; in cifs_demultiplex_thread()
1314 server->total_read = 0; in cifs_demultiplex_thread()
1315 server->large_buf = false; in cifs_demultiplex_thread()
1316 buf = server->smallbuf; in cifs_demultiplex_thread()
1322 cifs_reconnect(server, true); in cifs_demultiplex_thread()
1327 cifs_buf_release(server->bigbuf); in cifs_demultiplex_thread()
1328 if (server->smallbuf) /* no sense logging a debug message if NULL */ in cifs_demultiplex_thread()
1329 cifs_small_buf_release(server->smallbuf); in cifs_demultiplex_thread()
1331 task_to_wake = xchg(&server->tsk, NULL); in cifs_demultiplex_thread()
1332 clean_demultiplex_info(server); in cifs_demultiplex_thread()
1334 /* if server->tsk was NULL then wait for a signal before exiting */ in cifs_demultiplex_thread()
1430 * families of server and addr are equal.
1433 match_port(struct TCP_Server_Info *server, struct sockaddr *addr) in match_port() argument
1438 if (server->rdma) in match_port()
1443 sport = &((struct sockaddr_in *) &server->dstaddr)->sin_port; in match_port()
1447 sport = &((struct sockaddr_in6 *) &server->dstaddr)->sin6_port; in match_port()
1466 static bool match_server_address(struct TCP_Server_Info *server, struct sockaddr *addr) in match_server_address() argument
1468 if (!cifs_match_ipaddr(addr, (struct sockaddr *)&server->dstaddr)) in match_server_address()
1475 match_security(struct TCP_Server_Info *server, struct smb3_fs_context *ctx) in match_security() argument
1482 if (server->ops->select_sectype(server, ctx->sectype) in match_security()
1489 * the server->sign had better be too. in match_security()
1491 if (ctx->sign && !server->sign) in match_security()
1498 static int match_server(struct TCP_Server_Info *server, in match_server() argument
1504 lockdep_assert_held(&server->srv_lock); in match_server()
1509 /* this server does not share socket */ in match_server()
1510 if (server->nosharesock) in match_server()
1515 if (server->vals->protocol_id < SMB30_PROT_ID) in match_server()
1519 if (server->vals->protocol_id < SMB21_PROT_ID) in match_server()
1521 } else if ((server->vals != ctx->vals) || (server->ops != ctx->ops)) in match_server()
1524 if (!net_eq(cifs_net_ns(server), current->nsproxy->net_ns)) in match_server()
1528 (struct sockaddr *)&server->srcaddr)) in match_server()
1532 * really match either @server->leaf_fullpath or @server->dstaddr in match_server()
1533 * directly since this @server might belong to a completely different in match_server()
1534 * server -- in case of domain-based DFS referrals or DFS links -- as in match_server()
1537 * Otherwise, match the DFS referral in @server->leaf_fullpath or the in match_server()
1538 * destination address in @server->dstaddr. in match_server()
1545 if (server->leaf_fullpath) { in match_server()
1547 strcasecmp(server->leaf_fullpath, in match_server()
1553 } else if (server->leaf_fullpath) { in match_server()
1562 if (!server->leaf_fullpath && in match_server()
1563 (strcasecmp(server->hostname, ctx->server_hostname) || in match_server()
1564 !match_server_address(server, addr) || in match_server()
1565 !match_port(server, addr))) in match_server()
1568 if (!match_security(server, ctx)) in match_server()
1571 if (server->echo_interval != ctx->echo_interval * HZ) in match_server()
1574 if (server->rdma != ctx->rdma) in match_server()
1577 if (server->ignore_signature != ctx->ignore_signature) in match_server()
1580 if (server->min_offload != ctx->min_offload) in match_server()
1583 if (server->retrans != ctx->retrans) in match_server()
1592 struct TCP_Server_Info *server; in cifs_find_tcp_session() local
1595 list_for_each_entry(server, &cifs_tcp_ses_list, tcp_ses_list) { in cifs_find_tcp_session()
1596 spin_lock(&server->srv_lock); in cifs_find_tcp_session()
1601 if (SERVER_IS_CHAN(server) || in cifs_find_tcp_session()
1602 !match_server(server, ctx, false)) { in cifs_find_tcp_session()
1603 spin_unlock(&server->srv_lock); in cifs_find_tcp_session()
1606 spin_unlock(&server->srv_lock); in cifs_find_tcp_session()
1608 ++server->srv_count; in cifs_find_tcp_session()
1610 cifs_dbg(FYI, "Existing tcp session with server found\n"); in cifs_find_tcp_session()
1611 return server; in cifs_find_tcp_session()
1618 cifs_put_tcp_session(struct TCP_Server_Info *server, int from_reconnect) in cifs_put_tcp_session() argument
1623 if (--server->srv_count > 0) { in cifs_put_tcp_session()
1629 WARN_ON(server->srv_count < 0); in cifs_put_tcp_session()
1631 put_net(cifs_net_ns(server)); in cifs_put_tcp_session()
1633 list_del_init(&server->tcp_ses_list); in cifs_put_tcp_session()
1636 cancel_delayed_work_sync(&server->echo); in cifs_put_tcp_session()
1642 * that reconnect work does nothing with server pointer after in cifs_put_tcp_session()
1645 cancel_delayed_work(&server->reconnect); in cifs_put_tcp_session()
1647 cancel_delayed_work_sync(&server->reconnect); in cifs_put_tcp_session()
1649 /* For secondary channels, we pick up ref-count on the primary server */ in cifs_put_tcp_session()
1650 if (SERVER_IS_CHAN(server)) in cifs_put_tcp_session()
1651 cifs_put_tcp_session(server->primary_server, from_reconnect); in cifs_put_tcp_session()
1653 spin_lock(&server->srv_lock); in cifs_put_tcp_session()
1654 server->tcpStatus = CifsExiting; in cifs_put_tcp_session()
1655 spin_unlock(&server->srv_lock); in cifs_put_tcp_session()
1657 cifs_crypto_secmech_release(server); in cifs_put_tcp_session()
1659 kfree_sensitive(server->session_key.response); in cifs_put_tcp_session()
1660 server->session_key.response = NULL; in cifs_put_tcp_session()
1661 server->session_key.len = 0; in cifs_put_tcp_session()
1662 kfree(server->hostname); in cifs_put_tcp_session()
1663 server->hostname = NULL; in cifs_put_tcp_session()
1665 task = xchg(&server->tsk, NULL); in cifs_put_tcp_session()
1917 struct TCP_Server_Info *server = ses->server; in cifs_setup_ipc() local
1924 if (server->capabilities & SMB2_GLOBAL_CAP_ENCRYPTION) in cifs_setup_ipc()
1928 "IPC: server doesn't support encryption\n"); in cifs_setup_ipc()
1938 spin_lock(&server->srv_lock); in cifs_setup_ipc()
1939 scnprintf(unc, sizeof(unc), "\\\\%s\\IPC$", server->hostname); in cifs_setup_ipc()
1940 spin_unlock(&server->srv_lock); in cifs_setup_ipc()
1946 rc = server->ops->tree_connect(xid, ses, unc, tcon, ctx->local_nls); in cifs_setup_ipc()
1971 * On session close, the IPC is closed and the server must release all tcons of the session.
1974 * Besides, it will make the server to not close durable and resilient files on session close, as
1991 cifs_find_smb_ses(struct TCP_Server_Info *server, struct smb3_fs_context *ctx) in cifs_find_smb_ses() argument
1996 list_for_each_entry(ses, &server->smb_ses_list, smb_ses_list) { in cifs_find_smb_ses()
2020 struct TCP_Server_Info *server = ses->server; in __cifs_put_smb_ses() local
2051 if (ses->ses_status == SES_EXITING && server->ops->logoff) { in __cifs_put_smb_ses()
2055 rc = server->ops->logoff(xid, ses); in __cifs_put_smb_ses()
2075 cifs_put_tcp_session(ses->chans[i].server, 0); in __cifs_put_smb_ses()
2076 ses->chans[i].server = NULL; in __cifs_put_smb_ses()
2082 ses->chans[0].server = NULL; in __cifs_put_smb_ses()
2086 cifs_put_tcp_session(server, 0); in __cifs_put_smb_ses()
2104 struct TCP_Server_Info *server = ses->server; in cifs_set_cifscreds() local
2114 switch (server->dstaddr.ss_family) { in cifs_set_cifscreds()
2116 sa = (struct sockaddr_in *)&server->dstaddr; in cifs_set_cifscreds()
2120 sa6 = (struct sockaddr_in6 *)&server->dstaddr; in cifs_set_cifscreds()
2125 server->dstaddr.ss_family); in cifs_set_cifscreds()
2243 * cifs_get_smb_ses - get a session matching @ctx data from @server
2244 * @server: server to setup the session to
2248 * already got a server reference (server refcount +1). See
2252 cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb3_fs_context *ctx) in cifs_get_smb_ses() argument
2257 struct sockaddr_in *addr = (struct sockaddr_in *)&server->dstaddr; in cifs_get_smb_ses()
2258 struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)&server->dstaddr; in cifs_get_smb_ses()
2262 ses = cifs_find_smb_ses(server, ctx); in cifs_get_smb_ses()
2268 if (cifs_chan_needs_reconnect(ses, server)) { in cifs_get_smb_ses()
2273 rc = cifs_negotiate_protocol(xid, ses, server); in cifs_get_smb_ses()
2282 rc = cifs_setup_session(xid, ses, server, in cifs_get_smb_ses()
2297 /* existing SMB ses has a server reference already */ in cifs_get_smb_ses()
2298 cifs_put_tcp_session(server, 0); in cifs_get_smb_ses()
2310 /* new SMB session uses our server ref */ in cifs_get_smb_ses()
2311 ses->server = server; in cifs_get_smb_ses()
2312 if (server->dstaddr.ss_family == AF_INET6) in cifs_get_smb_ses()
2346 /* add server as first channel */ in cifs_get_smb_ses()
2348 ses->chans[0].server = server; in cifs_get_smb_ses()
2355 rc = cifs_negotiate_protocol(xid, ses, server); in cifs_get_smb_ses()
2357 rc = cifs_setup_session(xid, ses, server, ctx->local_nls); in cifs_get_smb_ses()
2378 list_add(&ses->smb_ses_list, &server->smb_ses_list); in cifs_get_smb_ses()
2396 struct TCP_Server_Info *server = tcon->ses->server; in match_tcon() local
2406 } else if (!server->leaf_fullpath && in match_tcon()
2492 if (ses->server->ops->tree_disconnect) in cifs_put_tcon()
2493 ses->server->ops->tree_disconnect(xid, tcon); in cifs_put_tcon()
2541 if (!ses->server->ops->tree_connect) { in cifs_get_tcon()
2546 if (ses->server->dialect >= SMB20_PROT_ID && in cifs_get_tcon()
2547 (ses->server->capabilities & SMB2_GLOBAL_CAP_DIRECTORY_LEASING)) in cifs_get_tcon()
2559 if (ses->server->vals->protocol_id == 0) { in cifs_get_tcon()
2569 if (ses->server->vals->protocol_id == 0) { in cifs_get_tcon()
2588 if (ses->server->vals->protocol_id == 0) { in cifs_get_tcon()
2593 } else if (tcon->ses->server->capabilities & in cifs_get_tcon()
2604 if (ses->server->posix_ext_supported) { in cifs_get_tcon()
2607 } else if ((ses->server->vals->protocol_id == SMB311_PROT_ID) || in cifs_get_tcon()
2608 (strcmp(ses->server->vals->version_string, in cifs_get_tcon()
2610 (strcmp(ses->server->vals->version_string, in cifs_get_tcon()
2612 cifs_dbg(VFS, "Server does not support mounting with posix SMB3.11 extensions\n"); in cifs_get_tcon()
2624 rc = ses->server->ops->tree_connect(xid, ses, ctx->UNC, tcon, in cifs_get_tcon()
2634 if (ses->server->vals->protocol_id == 0) { in cifs_get_tcon()
2639 } else if (ses->server->capabilities & in cifs_get_tcon()
2649 && (ses->server->capabilities & SMB2_GLOBAL_CAP_PERSISTENT_HANDLES) in cifs_get_tcon()
2654 if (ses->server->vals->protocol_id == 0) { in cifs_get_tcon()
2665 if (ses->server->vals->protocol_id >= SMB30_PROT_ID) { in cifs_get_tcon()
2700 if (ses->server->vals->protocol_id == 0) { in cifs_get_tcon()
2711 * resources mounted more than once to the same server share the last in cifs_get_tcon()
2725 if (ses->server->dialect >= SMB30_PROT_ID && in cifs_get_tcon()
2726 (ses->server->capabilities & SMB2_GLOBAL_CAP_MULTI_CHANNEL)) { in cifs_get_tcon()
2864 tcp_srv = ses->server; in cifs_match_super()
2942 bind_socket(struct TCP_Server_Info *server) in bind_socket() argument
2946 if (server->srcaddr.ss_family != AF_UNSPEC) { in bind_socket()
2948 struct socket *socket = server->ssocket; in bind_socket()
2951 (struct sockaddr *) &server->srcaddr, in bind_socket()
2952 sizeof(server->srcaddr)); in bind_socket()
2957 saddr4 = (struct sockaddr_in *)&server->srcaddr; in bind_socket()
2958 saddr6 = (struct sockaddr_in6 *)&server->srcaddr; in bind_socket()
2971 ip_rfc1001_connect(struct TCP_Server_Info *server) in ip_rfc1001_connect() argument
2985 if (server->server_RFC1001_name[0] != 0) in ip_rfc1001_connect()
2987 server->server_RFC1001_name, in ip_rfc1001_connect()
2997 if (server->workstation_RFC1001_name[0] != 0) in ip_rfc1001_connect()
2999 server->workstation_RFC1001_name, in ip_rfc1001_connect()
3013 rc = smb_send(server, smb_buf, len); in ip_rfc1001_connect()
3015 * RFC1001 layer in at least one server requires very short break before in ip_rfc1001_connect()
3026 generic_ip_connect(struct TCP_Server_Info *server) in generic_ip_connect() argument
3034 saddr = (struct sockaddr *) &server->dstaddr; in generic_ip_connect()
3036 if (server->dstaddr.ss_family == AF_INET6) { in generic_ip_connect()
3037 struct sockaddr_in6 *ipv6 = (struct sockaddr_in6 *)&server->dstaddr; in generic_ip_connect()
3045 struct sockaddr_in *ipv4 = (struct sockaddr_in *)&server->dstaddr; in generic_ip_connect()
3054 if (server->ssocket) { in generic_ip_connect()
3055 socket = server->ssocket; in generic_ip_connect()
3057 rc = __sock_create(cifs_net_ns(server), sfamily, SOCK_STREAM, in generic_ip_connect()
3058 IPPROTO_TCP, &server->ssocket, 1); in generic_ip_connect()
3066 socket = server->ssocket; in generic_ip_connect()
3075 rc = bind_socket(server); in generic_ip_connect()
3088 if (server->noautotune) { in generic_ip_connect()
3095 if (server->tcp_nodelay) in generic_ip_connect()
3103 server->noblockcnt ? O_NONBLOCK : 0); in generic_ip_connect()
3109 if (server->noblockcnt && rc == -EINPROGRESS) in generic_ip_connect()
3112 cifs_dbg(FYI, "Error %d connecting to server\n", rc); in generic_ip_connect()
3113 trace_smb3_connect_err(server->hostname, server->conn_id, &server->dstaddr, rc); in generic_ip_connect()
3115 server->ssocket = NULL; in generic_ip_connect()
3118 trace_smb3_connect_done(server->hostname, server->conn_id, &server->dstaddr); in generic_ip_connect()
3120 rc = ip_rfc1001_connect(server); in generic_ip_connect()
3126 ip_connect(struct TCP_Server_Info *server) in ip_connect() argument
3129 struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)&server->dstaddr; in ip_connect()
3130 struct sockaddr_in *addr = (struct sockaddr_in *)&server->dstaddr; in ip_connect()
3132 if (server->dstaddr.ss_family == AF_INET6) in ip_connect()
3143 rc = generic_ip_connect(server); in ip_connect()
3151 return generic_ip_connect(server); in ip_connect()
3166 * What if we wanted to mount the server share twice once with in reset_cifs_unix_caps()
3187 cifs_dbg(FYI, "unix caps which server supports %lld\n", cap); in reset_cifs_unix_caps()
3205 cifs_dbg(VFS, "server disabled POSIX path support\n"); in reset_cifs_unix_caps()
3256 …cifs_dbg(VFS, "Negotiating Unix capabilities with the server failed. Consider mounting with the Un… in reset_cifs_unix_caps()
3324 else if (mnt_ctx->server) in cifs_mount_put_conns()
3325 cifs_put_tcp_session(mnt_ctx->server, 0); in cifs_mount_put_conns()
3332 struct TCP_Server_Info *server = NULL; in cifs_mount_get_session() local
3347 server = cifs_get_tcp_session(ctx, NULL); in cifs_mount_get_session()
3348 if (IS_ERR(server)) { in cifs_mount_get_session()
3349 rc = PTR_ERR(server); in cifs_mount_get_session()
3350 server = NULL; in cifs_mount_get_session()
3355 ses = cifs_get_smb_ses(server, ctx); in cifs_mount_get_session()
3362 if ((ctx->persistent == true) && (!(ses->server->capabilities & in cifs_mount_get_session()
3364 cifs_server_dbg(VFS, "persistent handles not supported by server\n"); in cifs_mount_get_session()
3370 mnt_ctx->server = server; in cifs_mount_get_session()
3379 struct TCP_Server_Info *server; in cifs_mount_get_tcon() local
3385 if (WARN_ON_ONCE(!mnt_ctx || !mnt_ctx->server || !mnt_ctx->ses || !mnt_ctx->fs_ctx || in cifs_mount_get_tcon()
3390 server = mnt_ctx->server; in cifs_mount_get_tcon()
3394 /* search for existing tcon to this server share */ in cifs_mount_get_tcon()
3407 /* tell server which Unix caps we support */ in cifs_mount_get_tcon()
3414 spin_lock(&tcon->ses->server->srv_lock); in cifs_mount_get_tcon()
3415 if ((tcon->ses->server->tcpStatus == CifsNeedReconnect) && in cifs_mount_get_tcon()
3418 spin_unlock(&tcon->ses->server->srv_lock); in cifs_mount_get_tcon()
3422 spin_unlock(&tcon->ses->server->srv_lock); in cifs_mount_get_tcon()
3425 tcon->unix_ext = 0; /* server does not support them */ in cifs_mount_get_tcon()
3428 if (!tcon->pipe && server->ops->qfs_tcon) { in cifs_mount_get_tcon()
3429 server->ops->qfs_tcon(mnt_ctx->xid, tcon, cifs_sb); in cifs_mount_get_tcon()
3442 * Clamp the rsize/wsize mount arguments if they are too big for the server in cifs_mount_get_tcon()
3447 (cifs_sb->ctx->wsize > server->ops->negotiate_wsize(tcon, ctx))) { in cifs_mount_get_tcon()
3449 round_down(server->ops->negotiate_wsize(tcon, ctx), PAGE_SIZE); in cifs_mount_get_tcon()
3451 * in the very unlikely event that the server sent a max write size under PAGE_SIZE, in cifs_mount_get_tcon()
3460 (cifs_sb->ctx->rsize > server->ops->negotiate_rsize(tcon, ctx))) in cifs_mount_get_tcon()
3461 cifs_sb->ctx->rsize = server->ops->negotiate_rsize(tcon, ctx); in cifs_mount_get_tcon()
3503 cifs_are_all_path_components_accessible(struct TCP_Server_Info *server, in cifs_are_all_path_components_accessible() argument
3518 rc = server->ops->is_path_accessible(xid, tcon, cifs_sb, ""); in cifs_are_all_path_components_accessible()
3542 rc = server->ops->is_path_accessible(xid, tcon, cifs_sb, in cifs_are_all_path_components_accessible()
3558 struct TCP_Server_Info *server = mnt_ctx->server; in cifs_is_path_remote() local
3564 if (!server->ops->is_path_accessible) in cifs_is_path_remote()
3577 rc = server->ops->is_path_accessible(xid, tcon, cifs_sb, in cifs_is_path_remote()
3583 rc = cifs_are_all_path_components_accessible(server, xid, tcon, in cifs_is_path_remote()
3613 * After reconnecting to a different server, unique ids won't match anymore, so we disable in cifs_mount()
3702 smb_buffer->Mid = get_next_mid(ses->server); in CIFSTCon()
3716 if (ses->server->sign) in CIFSTCon()
3730 (/* server len*/ + 256 /* share len */), nls_codepage); in CIFSTCon()
3837 struct TCP_Server_Info *server) in cifs_negotiate_protocol() argument
3841 if (!server->ops->need_neg || !server->ops->negotiate) in cifs_negotiate_protocol()
3845 spin_lock(&server->srv_lock); in cifs_negotiate_protocol()
3846 if (server->tcpStatus != CifsGood && in cifs_negotiate_protocol()
3847 server->tcpStatus != CifsNew && in cifs_negotiate_protocol()
3848 server->tcpStatus != CifsNeedNegotiate) { in cifs_negotiate_protocol()
3849 spin_unlock(&server->srv_lock); in cifs_negotiate_protocol()
3853 if (!server->ops->need_neg(server) && in cifs_negotiate_protocol()
3854 server->tcpStatus == CifsGood) { in cifs_negotiate_protocol()
3855 spin_unlock(&server->srv_lock); in cifs_negotiate_protocol()
3859 server->tcpStatus = CifsInNegotiate; in cifs_negotiate_protocol()
3860 spin_unlock(&server->srv_lock); in cifs_negotiate_protocol()
3862 rc = server->ops->negotiate(xid, ses, server); in cifs_negotiate_protocol()
3864 spin_lock(&server->srv_lock); in cifs_negotiate_protocol()
3865 if (server->tcpStatus == CifsInNegotiate) in cifs_negotiate_protocol()
3866 server->tcpStatus = CifsGood; in cifs_negotiate_protocol()
3869 spin_unlock(&server->srv_lock); in cifs_negotiate_protocol()
3871 spin_lock(&server->srv_lock); in cifs_negotiate_protocol()
3872 if (server->tcpStatus == CifsInNegotiate) in cifs_negotiate_protocol()
3873 server->tcpStatus = CifsNeedNegotiate; in cifs_negotiate_protocol()
3874 spin_unlock(&server->srv_lock); in cifs_negotiate_protocol()
3882 struct TCP_Server_Info *server, in cifs_setup_session() argument
3886 struct TCP_Server_Info *pserver = SERVER_IS_CHAN(server) ? server->primary_server : server; in cifs_setup_session()
3912 cifs_chan_set_in_reconnect(ses, server); in cifs_setup_session()
3925 if (server == pserver) { in cifs_setup_session()
3926 if (server->dstaddr.ss_family == AF_INET6) in cifs_setup_session()
3933 ses->capabilities = server->capabilities; in cifs_setup_session()
3935 ses->capabilities &= (~server->vals->cap_unix); in cifs_setup_session()
3947 server->sec_mode, server->capabilities, server->timeAdj); in cifs_setup_session()
3949 if (server->ops->sess_setup) in cifs_setup_session()
3950 rc = server->ops->sess_setup(xid, ses, server, nls_info); in cifs_setup_session()
3958 cifs_chan_clear_in_reconnect(ses, server); in cifs_setup_session()
3966 cifs_chan_clear_in_reconnect(ses, server); in cifs_setup_session()
3967 cifs_chan_clear_need_reconnect(ses, server); in cifs_setup_session()
4027 ++master_tcon->ses->server->srv_count; in cifs_construct_tcon()
4030 ses = cifs_get_smb_ses(master_tcon->ses->server, ctx); in cifs_construct_tcon()
4033 cifs_put_tcp_session(master_tcon->ses->server, 0); in cifs_construct_tcon()
4243 const struct smb_version_operations *ops = tcon->ses->server->ops; in cifs_tree_connect()