Lines Matching refs:server
68 struct TCP_Server_Info *server; member
78 static int ip_connect(struct TCP_Server_Info *server);
79 static int generic_ip_connect(struct TCP_Server_Info *server);
89 static int reconn_set_ipaddr_from_hostname(struct TCP_Server_Info *server) in reconn_set_ipaddr_from_hostname() argument
97 if (!server->hostname) in reconn_set_ipaddr_from_hostname()
100 len = strlen(server->hostname) + 3; in reconn_set_ipaddr_from_hostname()
107 scnprintf(unc, len, "\\\\%s", server->hostname); in reconn_set_ipaddr_from_hostname()
114 __func__, server->hostname, rc); in reconn_set_ipaddr_from_hostname()
119 rc = cifs_convert_address((struct sockaddr *)&server->dstaddr, ipaddr, in reconn_set_ipaddr_from_hostname()
139 mod_delayed_work(cifsiod_wq, &server->resolve, (ttl * HZ)); in reconn_set_ipaddr_from_hostname()
148 struct TCP_Server_Info *server = container_of(work, in cifs_resolve_server() local
151 mutex_lock(&server->srv_mutex); in cifs_resolve_server()
156 rc = reconn_set_ipaddr_from_hostname(server); in cifs_resolve_server()
162 mutex_unlock(&server->srv_mutex); in cifs_resolve_server()
170 static void cifs_mark_tcp_ses_conns_for_reconnect(struct TCP_Server_Info *server) in cifs_mark_tcp_ses_conns_for_reconnect() argument
178 server->maxBuf = 0; in cifs_mark_tcp_ses_conns_for_reconnect()
179 server->max_read = 0; in cifs_mark_tcp_ses_conns_for_reconnect()
182 trace_smb3_reconnect(server->CurrentMid, server->conn_id, server->hostname); in cifs_mark_tcp_ses_conns_for_reconnect()
190 pserver = CIFS_SERVER_IS_CHAN(server) ? server->primary_server : server; in cifs_mark_tcp_ses_conns_for_reconnect()
204 mutex_lock(&server->srv_mutex); in cifs_mark_tcp_ses_conns_for_reconnect()
205 if (server->ssocket) { in cifs_mark_tcp_ses_conns_for_reconnect()
206 cifs_dbg(FYI, "State: 0x%x Flags: 0x%lx\n", server->ssocket->state, in cifs_mark_tcp_ses_conns_for_reconnect()
207 server->ssocket->flags); in cifs_mark_tcp_ses_conns_for_reconnect()
208 kernel_sock_shutdown(server->ssocket, SHUT_WR); in cifs_mark_tcp_ses_conns_for_reconnect()
209 cifs_dbg(FYI, "Post shutdown state: 0x%x Flags: 0x%lx\n", server->ssocket->state, in cifs_mark_tcp_ses_conns_for_reconnect()
210 server->ssocket->flags); in cifs_mark_tcp_ses_conns_for_reconnect()
211 sock_release(server->ssocket); in cifs_mark_tcp_ses_conns_for_reconnect()
212 server->ssocket = NULL; in cifs_mark_tcp_ses_conns_for_reconnect()
214 server->sequence_number = 0; in cifs_mark_tcp_ses_conns_for_reconnect()
215 server->session_estab = false; in cifs_mark_tcp_ses_conns_for_reconnect()
216 kfree(server->session_key.response); in cifs_mark_tcp_ses_conns_for_reconnect()
217 server->session_key.response = NULL; in cifs_mark_tcp_ses_conns_for_reconnect()
218 server->session_key.len = 0; in cifs_mark_tcp_ses_conns_for_reconnect()
219 server->lstrp = jiffies; in cifs_mark_tcp_ses_conns_for_reconnect()
225 list_for_each_entry_safe(mid, nmid, &server->pending_mid_q, qhead) { in cifs_mark_tcp_ses_conns_for_reconnect()
233 mutex_unlock(&server->srv_mutex); in cifs_mark_tcp_ses_conns_for_reconnect()
242 if (cifs_rdma_enabled(server)) { in cifs_mark_tcp_ses_conns_for_reconnect()
243 mutex_lock(&server->srv_mutex); in cifs_mark_tcp_ses_conns_for_reconnect()
244 smbd_destroy(server); in cifs_mark_tcp_ses_conns_for_reconnect()
245 mutex_unlock(&server->srv_mutex); in cifs_mark_tcp_ses_conns_for_reconnect()
249 static bool cifs_tcp_ses_needs_reconnect(struct TCP_Server_Info *server, int num_targets) in cifs_tcp_ses_needs_reconnect() argument
252 server->nr_targets = num_targets; in cifs_tcp_ses_needs_reconnect()
253 if (server->tcpStatus == CifsExiting) { in cifs_tcp_ses_needs_reconnect()
256 wake_up(&server->response_q); in cifs_tcp_ses_needs_reconnect()
259 server->tcpStatus = CifsNeedReconnect; in cifs_tcp_ses_needs_reconnect()
272 static int __cifs_reconnect(struct TCP_Server_Info *server) in __cifs_reconnect() argument
276 if (!cifs_tcp_ses_needs_reconnect(server, 1)) in __cifs_reconnect()
279 cifs_mark_tcp_ses_conns_for_reconnect(server); in __cifs_reconnect()
283 mutex_lock(&server->srv_mutex); in __cifs_reconnect()
285 if (!cifs_swn_set_server_dstaddr(server)) { in __cifs_reconnect()
287 rc = reconn_set_ipaddr_from_hostname(server); in __cifs_reconnect()
291 if (cifs_rdma_enabled(server)) in __cifs_reconnect()
292 rc = smbd_reconnect(server); in __cifs_reconnect()
294 rc = generic_ip_connect(server); in __cifs_reconnect()
296 mutex_unlock(&server->srv_mutex); in __cifs_reconnect()
301 set_credits(server, 1); in __cifs_reconnect()
303 if (server->tcpStatus != CifsExiting) in __cifs_reconnect()
304 server->tcpStatus = CifsNeedNegotiate; in __cifs_reconnect()
306 cifs_swn_reset_server_dstaddr(server); in __cifs_reconnect()
307 mutex_unlock(&server->srv_mutex); in __cifs_reconnect()
309 } while (server->tcpStatus == CifsNeedReconnect); in __cifs_reconnect()
311 if (server->tcpStatus == CifsNeedNegotiate) in __cifs_reconnect()
312 mod_delayed_work(cifsiod_wq, &server->echo, 0); in __cifs_reconnect()
314 wake_up(&server->response_q); in __cifs_reconnect()
319 static int __reconnect_target_unlocked(struct TCP_Server_Info *server, const char *target) in __reconnect_target_unlocked() argument
324 if (!cifs_swn_set_server_dstaddr(server)) { in __reconnect_target_unlocked()
325 if (server->hostname != target) { in __reconnect_target_unlocked()
328 kfree(server->hostname); in __reconnect_target_unlocked()
329 server->hostname = hostname; in __reconnect_target_unlocked()
334 server->hostname); in __reconnect_target_unlocked()
338 rc = reconn_set_ipaddr_from_hostname(server); in __reconnect_target_unlocked()
342 if (cifs_rdma_enabled(server)) in __reconnect_target_unlocked()
343 rc = smbd_reconnect(server); in __reconnect_target_unlocked()
345 rc = generic_ip_connect(server); in __reconnect_target_unlocked()
350 static int reconnect_target_unlocked(struct TCP_Server_Info *server, struct dfs_cache_tgt_list *tl, in reconnect_target_unlocked() argument
361 return __reconnect_target_unlocked(server, server->hostname); in reconnect_target_unlocked()
365 rc = __reconnect_target_unlocked(server, dfs_cache_get_tgt_name(tit)); in reconnect_target_unlocked()
374 static int reconnect_dfs_server(struct TCP_Server_Info *server) in reconnect_dfs_server() argument
377 const char *refpath = server->current_fullpath + 1; in reconnect_dfs_server()
395 if (!cifs_tcp_ses_needs_reconnect(server, num_targets)) in reconnect_dfs_server()
398 cifs_mark_tcp_ses_conns_for_reconnect(server); in reconnect_dfs_server()
402 mutex_lock(&server->srv_mutex); in reconnect_dfs_server()
404 rc = reconnect_target_unlocked(server, &tl, &target_hint); in reconnect_dfs_server()
407 mutex_unlock(&server->srv_mutex); in reconnect_dfs_server()
418 set_credits(server, 1); in reconnect_dfs_server()
420 if (server->tcpStatus != CifsExiting) in reconnect_dfs_server()
421 server->tcpStatus = CifsNeedNegotiate; in reconnect_dfs_server()
423 cifs_swn_reset_server_dstaddr(server); in reconnect_dfs_server()
424 mutex_unlock(&server->srv_mutex); in reconnect_dfs_server()
425 } while (server->tcpStatus == CifsNeedReconnect); in reconnect_dfs_server()
433 if (server->tcpStatus == CifsNeedNegotiate) in reconnect_dfs_server()
434 mod_delayed_work(cifsiod_wq, &server->echo, 0); in reconnect_dfs_server()
436 wake_up(&server->response_q); in reconnect_dfs_server()
440 int cifs_reconnect(struct TCP_Server_Info *server) in cifs_reconnect() argument
444 if (!server->is_dfs_conn || !server->origin_fullpath || !server->leaf_fullpath) { in cifs_reconnect()
446 return __cifs_reconnect(server); in cifs_reconnect()
450 return reconnect_dfs_server(server); in cifs_reconnect()
453 int cifs_reconnect(struct TCP_Server_Info *server) in cifs_reconnect() argument
455 return __cifs_reconnect(server); in cifs_reconnect()
463 struct TCP_Server_Info *server = container_of(work, in cifs_echo_request() local
471 if (server->tcpStatus == CifsNeedReconnect || in cifs_echo_request()
472 server->tcpStatus == CifsExiting || in cifs_echo_request()
473 server->tcpStatus == CifsNew || in cifs_echo_request()
474 (server->ops->can_echo && !server->ops->can_echo(server)) || in cifs_echo_request()
475 time_before(jiffies, server->lstrp + server->echo_interval - HZ)) in cifs_echo_request()
478 rc = server->ops->echo ? server->ops->echo(server) : -ENOSYS; in cifs_echo_request()
481 server->hostname); in cifs_echo_request()
487 queue_delayed_work(cifsiod_wq, &server->echo, server->echo_interval); in cifs_echo_request()
491 allocate_buffers(struct TCP_Server_Info *server) in allocate_buffers() argument
493 if (!server->bigbuf) { in allocate_buffers()
494 server->bigbuf = (char *)cifs_buf_get(); in allocate_buffers()
495 if (!server->bigbuf) { in allocate_buffers()
501 } else if (server->large_buf) { in allocate_buffers()
503 memset(server->bigbuf, 0, HEADER_SIZE(server)); in allocate_buffers()
506 if (!server->smallbuf) { in allocate_buffers()
507 server->smallbuf = (char *)cifs_small_buf_get(); in allocate_buffers()
508 if (!server->smallbuf) { in allocate_buffers()
517 memset(server->smallbuf, 0, HEADER_SIZE(server)); in allocate_buffers()
524 server_unresponsive(struct TCP_Server_Info *server) in server_unresponsive() argument
537 if ((server->tcpStatus == CifsGood || in server_unresponsive()
538 server->tcpStatus == CifsNeedNegotiate) && in server_unresponsive()
539 (!server->ops->can_echo || server->ops->can_echo(server)) && in server_unresponsive()
540 time_after(jiffies, server->lstrp + 3 * server->echo_interval)) { in server_unresponsive()
542 (3 * server->echo_interval) / HZ); in server_unresponsive()
543 cifs_reconnect(server); in server_unresponsive()
551 zero_credits(struct TCP_Server_Info *server) in zero_credits() argument
555 spin_lock(&server->req_lock); in zero_credits()
556 val = server->credits + server->echo_credits + server->oplock_credits; in zero_credits()
557 if (server->in_flight == 0 && val == 0) { in zero_credits()
558 spin_unlock(&server->req_lock); in zero_credits()
561 spin_unlock(&server->req_lock); in zero_credits()
566 cifs_readv_from_socket(struct TCP_Server_Info *server, struct msghdr *smb_msg) in cifs_readv_from_socket() argument
578 if (zero_credits(server)) { in cifs_readv_from_socket()
579 cifs_reconnect(server); in cifs_readv_from_socket()
583 if (server_unresponsive(server)) in cifs_readv_from_socket()
585 if (cifs_rdma_enabled(server) && server->smbd_conn) in cifs_readv_from_socket()
586 length = smbd_recv(server->smbd_conn, smb_msg); in cifs_readv_from_socket()
588 length = sock_recvmsg(server->ssocket, smb_msg, 0); in cifs_readv_from_socket()
590 if (server->tcpStatus == CifsExiting) in cifs_readv_from_socket()
593 if (server->tcpStatus == CifsNeedReconnect) { in cifs_readv_from_socket()
594 cifs_reconnect(server); in cifs_readv_from_socket()
613 cifs_reconnect(server); in cifs_readv_from_socket()
621 cifs_read_from_socket(struct TCP_Server_Info *server, char *buf, in cifs_read_from_socket() argument
628 return cifs_readv_from_socket(server, &smb_msg); in cifs_read_from_socket()
632 cifs_discard_from_socket(struct TCP_Server_Info *server, size_t to_read) in cifs_discard_from_socket() argument
645 return cifs_readv_from_socket(server, &smb_msg); in cifs_discard_from_socket()
649 cifs_read_page_from_socket(struct TCP_Server_Info *server, struct page *page, in cifs_read_page_from_socket() argument
656 return cifs_readv_from_socket(server, &smb_msg); in cifs_read_page_from_socket()
660 is_smb_response(struct TCP_Server_Info *server, unsigned char type) in is_smb_response() argument
691 cifs_set_port((struct sockaddr *)&server->dstaddr, CIFS_PORT); in is_smb_response()
692 cifs_reconnect(server); in is_smb_response()
696 cifs_reconnect(server); in is_smb_response()
728 smb2_get_credits_from_hdr(char *buffer, struct TCP_Server_Info *server) in smb2_get_credits_from_hdr() argument
735 if (server->vals->header_preamble_size) in smb2_get_credits_from_hdr()
742 handle_mid(struct mid_q_entry *mid, struct TCP_Server_Info *server, in handle_mid() argument
745 if (server->ops->check_trans2 && in handle_mid()
746 server->ops->check_trans2(mid, server, buf, malformed)) in handle_mid()
748 mid->credits_received = smb2_get_credits_from_hdr(buf, server); in handle_mid()
750 mid->large_buf = server->large_buf; in handle_mid()
754 if (server->large_buf) in handle_mid()
755 server->bigbuf = NULL; in handle_mid()
757 server->smallbuf = NULL; in handle_mid()
762 static void clean_demultiplex_info(struct TCP_Server_Info *server) in clean_demultiplex_info() argument
768 list_del_init(&server->tcp_ses_list); in clean_demultiplex_info()
771 cancel_delayed_work_sync(&server->echo); in clean_demultiplex_info()
772 cancel_delayed_work_sync(&server->resolve); in clean_demultiplex_info()
775 server->tcpStatus = CifsExiting; in clean_demultiplex_info()
777 wake_up_all(&server->response_q); in clean_demultiplex_info()
780 spin_lock(&server->req_lock); in clean_demultiplex_info()
781 if (server->credits <= 0) in clean_demultiplex_info()
782 server->credits = 1; in clean_demultiplex_info()
783 spin_unlock(&server->req_lock); in clean_demultiplex_info()
791 wake_up_all(&server->request_q); in clean_demultiplex_info()
794 if (cifs_rdma_enabled(server)) in clean_demultiplex_info()
795 smbd_destroy(server); in clean_demultiplex_info()
796 if (server->ssocket) { in clean_demultiplex_info()
797 sock_release(server->ssocket); in clean_demultiplex_info()
798 server->ssocket = NULL; in clean_demultiplex_info()
801 if (!list_empty(&server->pending_mid_q)) { in clean_demultiplex_info()
808 list_for_each_safe(tmp, tmp2, &server->pending_mid_q) { in clean_demultiplex_info()
830 if (!list_empty(&server->pending_mid_q)) { in clean_demultiplex_info()
848 kfree(server->origin_fullpath); in clean_demultiplex_info()
849 kfree(server->leaf_fullpath); in clean_demultiplex_info()
851 kfree(server); in clean_demultiplex_info()
859 standard_receive3(struct TCP_Server_Info *server, struct mid_q_entry *mid) in standard_receive3() argument
862 char *buf = server->smallbuf; in standard_receive3()
863 unsigned int pdu_length = server->pdu_size; in standard_receive3()
866 if (pdu_length > CIFSMaxBufSize + MAX_HEADER_SIZE(server) - in standard_receive3()
867 server->vals->header_preamble_size) { in standard_receive3()
869 cifs_reconnect(server); in standard_receive3()
875 server->large_buf = true; in standard_receive3()
876 memcpy(server->bigbuf, buf, server->total_read); in standard_receive3()
877 buf = server->bigbuf; in standard_receive3()
881 length = cifs_read_from_socket(server, buf + HEADER_SIZE(server) - 1, in standard_receive3()
882 pdu_length - HEADER_SIZE(server) + 1 in standard_receive3()
883 + server->vals->header_preamble_size); in standard_receive3()
887 server->total_read += length; in standard_receive3()
889 dump_smb(buf, server->total_read); in standard_receive3()
891 return cifs_handle_standard(server, mid); in standard_receive3()
895 cifs_handle_standard(struct TCP_Server_Info *server, struct mid_q_entry *mid) in cifs_handle_standard() argument
897 char *buf = server->large_buf ? server->bigbuf : server->smallbuf; in cifs_handle_standard()
909 length = server->ops->check_message(buf, server->total_read, server); in cifs_handle_standard()
912 min_t(unsigned int, server->total_read, 48)); in cifs_handle_standard()
914 if (server->ops->is_session_expired && in cifs_handle_standard()
915 server->ops->is_session_expired(buf)) { in cifs_handle_standard()
916 cifs_reconnect(server); in cifs_handle_standard()
920 if (server->ops->is_status_pending && in cifs_handle_standard()
921 server->ops->is_status_pending(buf, server)) in cifs_handle_standard()
927 handle_mid(mid, server, buf, length); in cifs_handle_standard()
932 smb2_add_credits_from_hdr(char *buffer, struct TCP_Server_Info *server) in smb2_add_credits_from_hdr() argument
940 if (server->vals->header_preamble_size) in smb2_add_credits_from_hdr()
944 spin_lock(&server->req_lock); in smb2_add_credits_from_hdr()
945 server->credits += le16_to_cpu(shdr->CreditRequest); in smb2_add_credits_from_hdr()
946 scredits = server->credits; in smb2_add_credits_from_hdr()
947 in_flight = server->in_flight; in smb2_add_credits_from_hdr()
948 spin_unlock(&server->req_lock); in smb2_add_credits_from_hdr()
949 wake_up(&server->request_q); in smb2_add_credits_from_hdr()
951 trace_smb3_add_credits(server->CurrentMid, in smb2_add_credits_from_hdr()
952 server->conn_id, server->hostname, scredits, in smb2_add_credits_from_hdr()
965 struct TCP_Server_Info *server = p; in cifs_demultiplex_thread() local
983 while (server->tcpStatus != CifsExiting) { in cifs_demultiplex_thread()
987 if (!allocate_buffers(server)) in cifs_demultiplex_thread()
990 server->large_buf = false; in cifs_demultiplex_thread()
991 buf = server->smallbuf; in cifs_demultiplex_thread()
994 length = cifs_read_from_socket(server, buf, pdu_length); in cifs_demultiplex_thread()
998 if (server->vals->header_preamble_size == 0) in cifs_demultiplex_thread()
999 server->total_read = 0; in cifs_demultiplex_thread()
1001 server->total_read = length; in cifs_demultiplex_thread()
1010 if (!is_smb_response(server, buf[0])) in cifs_demultiplex_thread()
1013 server->pdu_size = pdu_length; in cifs_demultiplex_thread()
1016 if (server->pdu_size < HEADER_SIZE(server) - 1 - in cifs_demultiplex_thread()
1017 server->vals->header_preamble_size) { in cifs_demultiplex_thread()
1019 server->pdu_size); in cifs_demultiplex_thread()
1020 cifs_reconnect(server); in cifs_demultiplex_thread()
1025 length = cifs_read_from_socket(server, in cifs_demultiplex_thread()
1026 buf + server->vals->header_preamble_size, in cifs_demultiplex_thread()
1027 HEADER_SIZE(server) - 1 in cifs_demultiplex_thread()
1028 - server->vals->header_preamble_size); in cifs_demultiplex_thread()
1031 server->total_read += length; in cifs_demultiplex_thread()
1033 if (server->ops->next_header) { in cifs_demultiplex_thread()
1034 next_offset = server->ops->next_header(buf); in cifs_demultiplex_thread()
1036 server->pdu_size = next_offset; in cifs_demultiplex_thread()
1043 if (server->ops->is_transform_hdr && in cifs_demultiplex_thread()
1044 server->ops->receive_transform && in cifs_demultiplex_thread()
1045 server->ops->is_transform_hdr(buf)) { in cifs_demultiplex_thread()
1046 length = server->ops->receive_transform(server, in cifs_demultiplex_thread()
1051 mids[0] = server->ops->find_mid(server, buf); in cifs_demultiplex_thread()
1056 length = standard_receive3(server, mids[0]); in cifs_demultiplex_thread()
1058 length = mids[0]->receive(server, mids[0]); in cifs_demultiplex_thread()
1068 if (server->ops->is_status_io_timeout && in cifs_demultiplex_thread()
1069 server->ops->is_status_io_timeout(buf)) { in cifs_demultiplex_thread()
1072 cifs_reconnect(server); in cifs_demultiplex_thread()
1078 server->lstrp = jiffies; in cifs_demultiplex_thread()
1082 mids[i]->resp_buf_size = server->pdu_size; in cifs_demultiplex_thread()
1084 if (bufs[i] && server->ops->is_network_name_deleted) in cifs_demultiplex_thread()
1085 server->ops->is_network_name_deleted(bufs[i], in cifs_demultiplex_thread()
1086 server); in cifs_demultiplex_thread()
1092 } else if (server->ops->is_oplock_break && in cifs_demultiplex_thread()
1093 server->ops->is_oplock_break(bufs[i], in cifs_demultiplex_thread()
1094 server)) { in cifs_demultiplex_thread()
1095 smb2_add_credits_from_hdr(bufs[i], server); in cifs_demultiplex_thread()
1101 HEADER_SIZE(server)); in cifs_demultiplex_thread()
1102 smb2_add_credits_from_hdr(bufs[i], server); in cifs_demultiplex_thread()
1104 if (server->ops->dump_detail) in cifs_demultiplex_thread()
1105 server->ops->dump_detail(bufs[i], in cifs_demultiplex_thread()
1106 server); in cifs_demultiplex_thread()
1107 cifs_dump_mids(server); in cifs_demultiplex_thread()
1112 if (pdu_length > server->pdu_size) { in cifs_demultiplex_thread()
1113 if (!allocate_buffers(server)) in cifs_demultiplex_thread()
1115 pdu_length -= server->pdu_size; in cifs_demultiplex_thread()
1116 server->total_read = 0; in cifs_demultiplex_thread()
1117 server->large_buf = false; in cifs_demultiplex_thread()
1118 buf = server->smallbuf; in cifs_demultiplex_thread()
1124 cifs_buf_release(server->bigbuf); in cifs_demultiplex_thread()
1125 if (server->smallbuf) /* no sense logging a debug message if NULL */ in cifs_demultiplex_thread()
1126 cifs_small_buf_release(server->smallbuf); in cifs_demultiplex_thread()
1128 task_to_wake = xchg(&server->tsk, NULL); in cifs_demultiplex_thread()
1129 clean_demultiplex_info(server); in cifs_demultiplex_thread()
1177 match_port(struct TCP_Server_Info *server, struct sockaddr *addr) in match_port() argument
1182 if (server->rdma) in match_port()
1187 sport = &((struct sockaddr_in *) &server->dstaddr)->sin_port; in match_port()
1191 sport = &((struct sockaddr_in6 *) &server->dstaddr)->sin6_port; in match_port()
1211 match_address(struct TCP_Server_Info *server, struct sockaddr *addr, in match_address() argument
1218 (struct sockaddr_in *)&server->dstaddr; in match_address()
1227 (struct sockaddr_in6 *)&server->dstaddr; in match_address()
1241 if (!cifs_match_ipaddr(srcaddr, (struct sockaddr *)&server->srcaddr)) in match_address()
1248 match_security(struct TCP_Server_Info *server, struct smb3_fs_context *ctx) in match_security() argument
1255 if (server->ops->select_sectype(server, ctx->sectype) in match_security()
1264 if (ctx->sign && !server->sign) in match_security()
1270 static int match_server(struct TCP_Server_Info *server, struct smb3_fs_context *ctx) in match_server() argument
1278 if (server->nosharesock) in match_server()
1283 if (server->vals->protocol_id < SMB30_PROT_ID) in match_server()
1287 if (server->vals->protocol_id < SMB21_PROT_ID) in match_server()
1289 } else if ((server->vals != ctx->vals) || (server->ops != ctx->ops)) in match_server()
1292 if (!net_eq(cifs_net_ns(server), current->nsproxy->net_ns)) in match_server()
1295 if (strcasecmp(server->hostname, ctx->server_hostname)) in match_server()
1298 if (!match_address(server, addr, in match_server()
1302 if (!match_port(server, addr)) in match_server()
1305 if (!match_security(server, ctx)) in match_server()
1308 if (server->echo_interval != ctx->echo_interval * HZ) in match_server()
1311 if (server->rdma != ctx->rdma) in match_server()
1314 if (server->ignore_signature != ctx->ignore_signature) in match_server()
1317 if (server->min_offload != ctx->min_offload) in match_server()
1326 struct TCP_Server_Info *server; in cifs_find_tcp_session() local
1329 list_for_each_entry(server, &cifs_tcp_ses_list, tcp_ses_list) { in cifs_find_tcp_session()
1337 if (server->is_dfs_conn) in cifs_find_tcp_session()
1344 if (CIFS_SERVER_IS_CHAN(server) || !match_server(server, ctx)) in cifs_find_tcp_session()
1347 ++server->srv_count; in cifs_find_tcp_session()
1350 return server; in cifs_find_tcp_session()
1357 cifs_put_tcp_session(struct TCP_Server_Info *server, int from_reconnect) in cifs_put_tcp_session() argument
1362 if (--server->srv_count > 0) { in cifs_put_tcp_session()
1368 WARN_ON(server->srv_count < 0); in cifs_put_tcp_session()
1370 put_net(cifs_net_ns(server)); in cifs_put_tcp_session()
1372 list_del_init(&server->tcp_ses_list); in cifs_put_tcp_session()
1376 if (CIFS_SERVER_IS_CHAN(server)) in cifs_put_tcp_session()
1377 cifs_put_tcp_session(server->primary_server, from_reconnect); in cifs_put_tcp_session()
1379 cancel_delayed_work_sync(&server->echo); in cifs_put_tcp_session()
1380 cancel_delayed_work_sync(&server->resolve); in cifs_put_tcp_session()
1389 cancel_delayed_work(&server->reconnect); in cifs_put_tcp_session()
1391 cancel_delayed_work_sync(&server->reconnect); in cifs_put_tcp_session()
1394 server->tcpStatus = CifsExiting; in cifs_put_tcp_session()
1397 cifs_crypto_secmech_release(server); in cifs_put_tcp_session()
1400 if (!CIFS_SERVER_IS_CHAN(server)) in cifs_put_tcp_session()
1401 cifs_fscache_release_client_cookie(server); in cifs_put_tcp_session()
1403 kfree(server->session_key.response); in cifs_put_tcp_session()
1404 server->session_key.response = NULL; in cifs_put_tcp_session()
1405 server->session_key.len = 0; in cifs_put_tcp_session()
1406 kfree(server->hostname); in cifs_put_tcp_session()
1408 task = xchg(&server->tsk, NULL); in cifs_put_tcp_session()
1659 struct TCP_Server_Info *server = ses->server; in cifs_setup_ipc() local
1666 if (server->capabilities & SMB2_GLOBAL_CAP_ENCRYPTION) in cifs_setup_ipc()
1679 scnprintf(unc, sizeof(unc), "\\\\%s\\IPC$", server->hostname); in cifs_setup_ipc()
1685 rc = server->ops->tree_connect(xid, ses, unc, tcon, ctx->local_nls); in cifs_setup_ipc()
1727 cifs_find_smb_ses(struct TCP_Server_Info *server, struct smb3_fs_context *ctx) in cifs_find_smb_ses() argument
1732 list_for_each_entry(ses, &server->smb_ses_list, smb_ses_list) { in cifs_find_smb_ses()
1749 struct TCP_Server_Info *server = ses->server; in cifs_put_smb_ses() local
1777 if (ses->status == CifsExiting && server->ops->logoff) { in cifs_put_smb_ses()
1779 rc = server->ops->logoff(xid, ses); in cifs_put_smb_ses()
1805 cifs_put_tcp_session(ses->chans[i].server, 0); in cifs_put_smb_ses()
1806 ses->chans[i].server = NULL; in cifs_put_smb_ses()
1811 cifs_put_tcp_session(server, 0); in cifs_put_smb_ses()
1829 struct TCP_Server_Info *server = ses->server; in cifs_set_cifscreds() local
1839 switch (server->dstaddr.ss_family) { in cifs_set_cifscreds()
1841 sa = (struct sockaddr_in *)&server->dstaddr; in cifs_set_cifscreds()
1845 sa6 = (struct sockaddr_in6 *)&server->dstaddr; in cifs_set_cifscreds()
1850 server->dstaddr.ss_family); in cifs_set_cifscreds()
1975 cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb3_fs_context *ctx) in cifs_get_smb_ses() argument
1980 struct sockaddr_in *addr = (struct sockaddr_in *)&server->dstaddr; in cifs_get_smb_ses()
1981 struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)&server->dstaddr; in cifs_get_smb_ses()
1985 ses = cifs_find_smb_ses(server, ctx); in cifs_get_smb_ses()
2016 cifs_put_tcp_session(server, 0); in cifs_get_smb_ses()
2027 ses->server = server; in cifs_get_smb_ses()
2028 if (server->dstaddr.ss_family == AF_INET6) in cifs_get_smb_ses()
2067 ses->chans[0].server = server; in cifs_get_smb_ses()
2086 list_add(&ses->smb_ses_list, &server->smb_ses_list); in cifs_get_smb_ses()
2178 if (ses->server->ops->tree_disconnect) in cifs_put_tcon()
2179 ses->server->ops->tree_disconnect(xid, tcon); in cifs_put_tcon()
2226 if (!ses->server->ops->tree_connect) { in cifs_get_tcon()
2238 if (ses->server->vals->protocol_id == 0) { in cifs_get_tcon()
2248 if (ses->server->vals->protocol_id == 0) { in cifs_get_tcon()
2267 if (ses->server->vals->protocol_id == 0) { in cifs_get_tcon()
2272 } else if (tcon->ses->server->capabilities & in cifs_get_tcon()
2283 if (ses->server->posix_ext_supported) { in cifs_get_tcon()
2298 rc = ses->server->ops->tree_connect(xid, ses, ctx->UNC, tcon, in cifs_get_tcon()
2308 if (ses->server->vals->protocol_id == 0) { in cifs_get_tcon()
2313 } else if (ses->server->capabilities & in cifs_get_tcon()
2323 && (ses->server->capabilities & SMB2_GLOBAL_CAP_PERSISTENT_HANDLES) in cifs_get_tcon()
2328 if (ses->server->vals->protocol_id == 0) { in cifs_get_tcon()
2339 if (ses->server->vals->protocol_id >= SMB30_PROT_ID) { in cifs_get_tcon()
2374 if (ses->server->vals->protocol_id == 0) { in cifs_get_tcon()
2390 if (ses->server->capabilities & SMB2_GLOBAL_CAP_DIRECTORY_LEASING) in cifs_get_tcon()
2513 tcp_srv = ses->server; in cifs_match_super()
2580 bind_socket(struct TCP_Server_Info *server) in bind_socket() argument
2583 if (server->srcaddr.ss_family != AF_UNSPEC) { in bind_socket()
2585 struct socket *socket = server->ssocket; in bind_socket()
2587 (struct sockaddr *) &server->srcaddr, in bind_socket()
2588 sizeof(server->srcaddr)); in bind_socket()
2592 saddr4 = (struct sockaddr_in *)&server->srcaddr; in bind_socket()
2593 saddr6 = (struct sockaddr_in6 *)&server->srcaddr; in bind_socket()
2606 ip_rfc1001_connect(struct TCP_Server_Info *server) in ip_rfc1001_connect() argument
2621 if (server->server_RFC1001_name[0] != 0) in ip_rfc1001_connect()
2624 server->server_RFC1001_name, in ip_rfc1001_connect()
2638 if (server->workstation_RFC1001_name[0] != 0) in ip_rfc1001_connect()
2641 server->workstation_RFC1001_name, in ip_rfc1001_connect()
2655 rc = smb_send(server, smb_buf, 0x44); in ip_rfc1001_connect()
2678 generic_ip_connect(struct TCP_Server_Info *server) in generic_ip_connect() argument
2683 struct socket *socket = server->ssocket; in generic_ip_connect()
2686 saddr = (struct sockaddr *) &server->dstaddr; in generic_ip_connect()
2688 if (server->dstaddr.ss_family == AF_INET6) { in generic_ip_connect()
2689 struct sockaddr_in6 *ipv6 = (struct sockaddr_in6 *)&server->dstaddr; in generic_ip_connect()
2697 struct sockaddr_in *ipv4 = (struct sockaddr_in *)&server->dstaddr; in generic_ip_connect()
2707 rc = __sock_create(cifs_net_ns(server), sfamily, SOCK_STREAM, in generic_ip_connect()
2711 server->ssocket = NULL; in generic_ip_connect()
2717 server->ssocket = socket; in generic_ip_connect()
2725 rc = bind_socket(server); in generic_ip_connect()
2738 if (server->noautotune) { in generic_ip_connect()
2745 if (server->tcp_nodelay) in generic_ip_connect()
2753 server->noblockcnt ? O_NONBLOCK : 0); in generic_ip_connect()
2759 if (server->noblockcnt && rc == -EINPROGRESS) in generic_ip_connect()
2763 trace_smb3_connect_err(server->hostname, server->conn_id, &server->dstaddr, rc); in generic_ip_connect()
2765 server->ssocket = NULL; in generic_ip_connect()
2768 trace_smb3_connect_done(server->hostname, server->conn_id, &server->dstaddr); in generic_ip_connect()
2770 rc = ip_rfc1001_connect(server); in generic_ip_connect()
2776 ip_connect(struct TCP_Server_Info *server) in ip_connect() argument
2779 struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)&server->dstaddr; in ip_connect()
2780 struct sockaddr_in *addr = (struct sockaddr_in *)&server->dstaddr; in ip_connect()
2782 if (server->dstaddr.ss_family == AF_INET6) in ip_connect()
2793 rc = generic_ip_connect(server); in ip_connect()
2801 return generic_ip_connect(server); in ip_connect()
2971 else if (mnt_ctx->server) in mount_put_conns()
2972 cifs_put_tcp_session(mnt_ctx->server, 0); in mount_put_conns()
2981 struct TCP_Server_Info *server = NULL; in mount_get_conns() local
2991 server = cifs_get_tcp_session(ctx, NULL); in mount_get_conns()
2992 if (IS_ERR(server)) { in mount_get_conns()
2993 rc = PTR_ERR(server); in mount_get_conns()
2994 server = NULL; in mount_get_conns()
2999 ses = cifs_get_smb_ses(server, ctx); in mount_get_conns()
3006 if ((ctx->persistent == true) && (!(ses->server->capabilities & in mount_get_conns()
3032 if ((tcon->ses->server->tcpStatus == CifsNeedReconnect) && in mount_get_conns()
3042 if (!tcon->pipe && server->ops->qfs_tcon) { in mount_get_conns()
3043 server->ops->qfs_tcon(xid, tcon, cifs_sb); in mount_get_conns()
3061 (cifs_sb->ctx->wsize > server->ops->negotiate_wsize(tcon, ctx))) in mount_get_conns()
3062 cifs_sb->ctx->wsize = server->ops->negotiate_wsize(tcon, ctx); in mount_get_conns()
3064 (cifs_sb->ctx->rsize > server->ops->negotiate_rsize(tcon, ctx))) in mount_get_conns()
3065 cifs_sb->ctx->rsize = server->ops->negotiate_rsize(tcon, ctx); in mount_get_conns()
3075 mnt_ctx->server = server; in mount_get_conns()
3117 if (mnt_ctx->server) { in mount_get_dfs_conns()
3120 mnt_ctx->server->is_dfs_conn = true; in mount_get_dfs_conns()
3250 cifs_are_all_path_components_accessible(struct TCP_Server_Info *server, in cifs_are_all_path_components_accessible() argument
3265 rc = server->ops->is_path_accessible(xid, tcon, cifs_sb, ""); in cifs_are_all_path_components_accessible()
3289 rc = server->ops->is_path_accessible(xid, tcon, cifs_sb, in cifs_are_all_path_components_accessible()
3304 struct TCP_Server_Info *server = mnt_ctx->server; in is_path_remote() local
3310 if (!server->ops->is_path_accessible) in is_path_remote()
3323 rc = server->ops->is_path_accessible(xid, tcon, cifs_sb, in is_path_remote()
3331 rc = cifs_are_all_path_components_accessible(server, xid, tcon, in is_path_remote()
3544 struct TCP_Server_Info *server = mnt_ctx->server; in setup_server_referral_paths() local
3546 server->origin_fullpath = mnt_ctx->origin_fullpath; in setup_server_referral_paths()
3547 server->leaf_fullpath = mnt_ctx->leaf_fullpath; in setup_server_referral_paths()
3548 server->current_fullpath = mnt_ctx->leaf_fullpath; in setup_server_referral_paths()
3662 smb_buffer->Mid = get_next_mid(ses->server); in CIFSTCon()
3670 if (tcon->pipe || (ses->server->sec_mode & SECMODE_USER)) { in CIFSTCon()
3677 if (ses->server->sign) in CIFSTCon()
3805 struct TCP_Server_Info *server = cifs_ses_server(ses); in cifs_negotiate_protocol() local
3807 if (!server->ops->need_neg || !server->ops->negotiate) in cifs_negotiate_protocol()
3811 if (!server->ops->need_neg(server)) in cifs_negotiate_protocol()
3814 rc = server->ops->negotiate(xid, ses); in cifs_negotiate_protocol()
3817 if (server->tcpStatus == CifsNeedNegotiate) in cifs_negotiate_protocol()
3818 server->tcpStatus = CifsGood; in cifs_negotiate_protocol()
3832 struct TCP_Server_Info *server = cifs_ses_server(ses); in cifs_setup_session() local
3835 ses->capabilities = server->capabilities; in cifs_setup_session()
3837 ses->capabilities &= (~server->vals->cap_unix); in cifs_setup_session()
3849 server->sec_mode, server->capabilities, server->timeAdj); in cifs_setup_session()
3851 if (server->ops->sess_setup) in cifs_setup_session()
3852 rc = server->ops->sess_setup(xid, ses, nls_info); in cifs_setup_session()
3912 ++master_tcon->ses->server->srv_count; in cifs_construct_tcon()
3915 ses = cifs_get_smb_ses(master_tcon->ses->server, ctx); in cifs_construct_tcon()
3918 cifs_put_tcp_session(master_tcon->ses->server, 0); in cifs_construct_tcon()
4124 static int update_server_fullpath(struct TCP_Server_Info *server, struct cifs_sb_info *cifs_sb, in update_server_fullpath() argument
4156 mutex_lock(&server->refpath_lock); in update_server_fullpath()
4157 kfree(server->leaf_fullpath); in update_server_fullpath()
4158 server->leaf_fullpath = npath; in update_server_fullpath()
4159 mutex_unlock(&server->refpath_lock); in update_server_fullpath()
4160 server->current_fullpath = server->leaf_fullpath; in update_server_fullpath()
4165 static int target_share_matches_server(struct TCP_Server_Info *server, const char *tcp_host, in target_share_matches_server() argument
4179 rc = match_target_ip(server, dfs_host, dfs_host_len, target_match); in target_share_matches_server()
4191 struct TCP_Server_Info *server = tcon->ses->server; in __tree_connect_dfs_target() local
4192 const struct smb_version_operations *ops = server->ops; in __tree_connect_dfs_target()
4200 extract_unc_hostname(server->hostname, &tcp_host, &tcp_host_len); in __tree_connect_dfs_target()
4218 rc = dfs_cache_get_tgt_share(server->current_fullpath + 1, tit, &share, &prefix); in __tree_connect_dfs_target()
4224 rc = target_share_matches_server(server, tcp_host, tcp_host_len, share, in __tree_connect_dfs_target()
4234 scnprintf(tree, MAX_TREE_SIZE, "\\\\%s\\IPC$", server->hostname); in __tree_connect_dfs_target()
4256 rc = dfs_cache_noreq_update_tgthint(server->current_fullpath + 1, tit); in __tree_connect_dfs_target()
4261 rc = update_server_fullpath(server, cifs_sb, target); in __tree_connect_dfs_target()
4286 struct TCP_Server_Info *server = tcon->ses->server; in tree_connect_dfs_target() local
4297 if (rc && server->current_fullpath != server->origin_fullpath) { in tree_connect_dfs_target()
4298 server->current_fullpath = server->origin_fullpath; in tree_connect_dfs_target()
4309 struct TCP_Server_Info *server = tcon->ses->server; in cifs_tree_connect() local
4310 const struct smb_version_operations *ops = server->ops; in cifs_tree_connect()
4322 scnprintf(tree, MAX_TREE_SIZE, "\\\\%s\\IPC$", server->hostname); in cifs_tree_connect()
4327 sb = cifs_get_tcp_super(server); in cifs_tree_connect()
4337 if (!server->current_fullpath || in cifs_tree_connect()
4338 dfs_cache_noreq_find(server->current_fullpath + 1, &ref, &tl)) { in cifs_tree_connect()
4356 const struct smb_version_operations *ops = tcon->ses->server->ops; in cifs_tree_connect()