91 	    (tcon->ses->server->capabilities & SMB2_GLOBAL_CAP_ENCRYPTION))  in smb3_encryption_required()
103 	if (tcon && tcon->ses && tcon->ses->server) {  in smb2_hdr_assemble()
104 		struct TCP_Server_Info *server = tcon->ses->server;  in smb2_hdr_assemble()  local
106 		spin_lock(&server->req_lock);  in smb2_hdr_assemble()
108 		if (server->credits >= server->max_credits)  in smb2_hdr_assemble()
112 				min_t(int, server->max_credits -  in smb2_hdr_assemble()
113 						server->credits, 2));  in smb2_hdr_assemble()
114 		spin_unlock(&server->req_lock);  in smb2_hdr_assemble()
125 	if ((tcon->ses) && (tcon->ses->server) &&  in smb2_hdr_assemble()
126 	    (tcon->ses->server->capabilities & SMB2_GLOBAL_CAP_LARGE_MTU))  in smb2_hdr_assemble()
148 	if (tcon->ses && tcon->ses->server && tcon->ses->server->sign &&  in smb2_hdr_assemble()
161 	struct TCP_Server_Info *server;  in smb2_reconnect()  local
189 	    (!tcon->ses->server))  in smb2_reconnect()
193 	server = ses->server;  in smb2_reconnect()
199 	while (server->tcpStatus == CifsNeedReconnect) {  in smb2_reconnect()
215 		rc = wait_event_interruptible_timeout(server->response_q,  in smb2_reconnect()
216 						      (server->tcpStatus != CifsNeedReconnect),  in smb2_reconnect()
225 		if (server->tcpStatus != CifsNeedReconnect)  in smb2_reconnect()
255 	if (server->tcpStatus == CifsNeedReconnect) {  in smb2_reconnect()
285 		queue_delayed_work(cifsiod_wq, &server->reconnect, 0);  in smb2_reconnect()
448 static int decode_encrypt_ctx(struct TCP_Server_Info *server,  in decode_encrypt_ctx()  argument
469 	server->cipher_type = ctxt->Ciphers[0];  in decode_encrypt_ctx()
470 	server->capabilities |= SMB2_GLOBAL_CAP_ENCRYPTION;  in decode_encrypt_ctx()
475 				     struct TCP_Server_Info *server,  in smb311_decode_neg_context()  argument
510 			rc = decode_encrypt_ctx(server,  in smb311_decode_neg_context()
513 			server->posix_ext_supported = true;  in smb311_decode_neg_context()
612 	struct TCP_Server_Info *server = ses->server;  in SMB2_negotiate()  local
620 	if (!server) {  in SMB2_negotiate()
631 	memset(server->preauth_sha_hash, 0, SMB2_PREAUTH_HASH_SIZE);  in SMB2_negotiate()
634 	if (strcmp(ses->server->vals->version_string,  in SMB2_negotiate()
640 	} else if (strcmp(ses->server->vals->version_string,  in SMB2_negotiate()
649 		req->Dialects[0] = cpu_to_le16(ses->server->vals->protocol_id);  in SMB2_negotiate()
662 	req->Capabilities = cpu_to_le32(ses->server->vals->req_capabilities);  in SMB2_negotiate()
665 	if (ses->server->vals->protocol_id == SMB20_PROT_ID)  in SMB2_negotiate()
668 		memcpy(req->ClientGUID, server->client_guid,  in SMB2_negotiate()
670 		if (ses->server->vals->protocol_id == SMB311_PROT_ID)  in SMB2_negotiate()
695 	if (strcmp(ses->server->vals->version_string,  in SMB2_negotiate()
706 	} else if (strcmp(ses->server->vals->version_string,  in SMB2_negotiate()
714 			ses->server->ops = &smb21_operations;  in SMB2_negotiate()
717 				ses->server->vals->protocol_id) {  in SMB2_negotiate()
742 	server->dialect = le16_to_cpu(rsp->DialectRevision);  in SMB2_negotiate()
749 	memcpy(server->preauth_sha_hash, ses->preauth_sha_hash,  in SMB2_negotiate()
753 	server->negflavor = CIFS_NEGFLAVOR_EXTENDED;  in SMB2_negotiate()
755 	server->maxBuf = min_t(unsigned int, le32_to_cpu(rsp->MaxTransactSize),  in SMB2_negotiate()
757 	server->max_read = le32_to_cpu(rsp->MaxReadSize);  in SMB2_negotiate()
758 	server->max_write = le32_to_cpu(rsp->MaxWriteSize);  in SMB2_negotiate()
759 	server->sec_mode = le16_to_cpu(rsp->SecurityMode);  in SMB2_negotiate()
760 	if ((server->sec_mode & SMB2_SEC_MODE_FLAGS_ALL) != server->sec_mode)  in SMB2_negotiate()
762 				server->sec_mode);  in SMB2_negotiate()
763 	server->capabilities = le32_to_cpu(rsp->Capabilities);  in SMB2_negotiate()
765 	server->capabilities |= SMB2_NT_FIND | SMB2_LARGE_FILES;  in SMB2_negotiate()
778 		server->sec_ntlmssp = true;  in SMB2_negotiate()
781 	rc = cifs_enable_signing(server, ses->sign);  in SMB2_negotiate()
785 		rc = decode_negTokenInit(security_blob, blob_length, server);  in SMB2_negotiate()
794 			rc = smb311_decode_neg_context(rsp, server,  in SMB2_negotiate()
815 	if (tcon->ses->server->dialect == SMB311_PROT_ID)  in smb3_validate_negotiate()
841 			cpu_to_le32(tcon->ses->server->vals->req_capabilities);  in smb3_validate_negotiate()
842 	memcpy(pneg_inbuf->Guid, tcon->ses->server->client_guid,  in smb3_validate_negotiate()
855 	if (strcmp(tcon->ses->server->vals->version_string,  in smb3_validate_negotiate()
863 	} else if (strcmp(tcon->ses->server->vals->version_string,  in smb3_validate_negotiate()
874 			cpu_to_le16(tcon->ses->server->vals->protocol_id);  in smb3_validate_negotiate()
902 	if (pneg_rsp->Dialect != cpu_to_le16(tcon->ses->server->dialect))  in smb3_validate_negotiate()
905 	if (pneg_rsp->SecurityMode != cpu_to_le16(tcon->ses->server->sec_mode))  in smb3_validate_negotiate()
911 	      SMB2_LARGE_FILES) != tcon->ses->server->capabilities)  in smb3_validate_negotiate()
929 smb2_select_sectype(struct TCP_Server_Info *server, enum securityEnum requested)  in smb2_select_sectype()  argument
938 		if (server->sec_ntlmssp &&  in smb2_select_sectype()
941 		if ((server->sec_kerberos || server->sec_mskerberos) &&  in smb2_select_sectype()
975 	struct TCP_Server_Info *server = ses->server;  in SMB2_sess_alloc_buffer()  local
995 	if (server->sign)  in SMB2_sess_alloc_buffer()
1058 	mutex_lock(&ses->server->srv_mutex);  in SMB2_sess_establish_session()
1059 	if (ses->server->ops->generate_signingkey) {  in SMB2_sess_establish_session()
1060 		rc = ses->server->ops->generate_signingkey(ses);  in SMB2_sess_establish_session()
1064 			mutex_unlock(&ses->server->srv_mutex);  in SMB2_sess_establish_session()
1068 	if (!ses->server->session_estab) {  in SMB2_sess_establish_session()
1069 		ses->server->sequence_number = 0x2;  in SMB2_sess_establish_session()
1070 		ses->server->session_estab = true;  in SMB2_sess_establish_session()
1072 	mutex_unlock(&ses->server->srv_mutex);  in SMB2_sess_establish_session()
1308 	type = smb2_select_sectype(ses->server, ses->sectype);  in SMB2_select_sec()
1336 	struct TCP_Server_Info *server = ses->server;  in SMB2_sess_setup()  local
1341 	if (!server) {  in SMB2_sess_setup()
1362 	memcpy(ses->preauth_sha_hash, ses->server->preauth_sha_hash,  in SMB2_sess_setup()
1382 	struct TCP_Server_Info *server;  in SMB2_logoff()  local
1391 	if (ses && (ses->server))  in SMB2_logoff()
1392 		server = ses->server;  in SMB2_logoff()
1409 	else if (server->sign)  in SMB2_logoff()
1465 	if (!(ses->server) || !tree)  in SMB2_tcon()
1504 	if ((ses->server->dialect == SMB311_PROT_ID) &&  in SMB2_tcon()
1555 	    !(tcon->ses->server->capabilities & SMB2_GLOBAL_CAP_ENCRYPTION))  in SMB2_tcon()
1559 	if (tcon->ses->server->ops->validate_negotiate)  in SMB2_tcon()
1560 		rc = tcon->ses->server->ops->validate_negotiate(xid, tcon);  in SMB2_tcon()
1588 	if (!ses || !(ses->server))  in SMB2_tdis()
1669 parse_lease_state(struct TCP_Server_Info *server, struct smb2_create_rsp *rsp,  in parse_lease_state()  argument
1685 			return server->ops->parse_lease_buf(cc, epoch,  in parse_lease_state()
1699 add_lease_context(struct TCP_Server_Info *server, struct kvec *iov,  in add_lease_context()  argument
1705 	iov[num].iov_base = server->ops->create_lease_buf(lease_key, *oplock);  in add_lease_context()
1708 	iov[num].iov_len = server->vals->create_lease_size;  in add_lease_context()
1715 		     server->vals->create_lease_size);  in add_lease_context()
1957 	struct TCP_Server_Info *server;  in smb311_posix_mkdir()  local
1980 	if (ses && (ses->server))  in smb311_posix_mkdir()
1981 		server = ses->server;  in smb311_posix_mkdir()
2103 	struct TCP_Server_Info *server = tcon->ses->server;  in SMB2_open_init()  local
2175 	if (!server->oplocks)  in SMB2_open_init()
2178 	if (!(server->capabilities & SMB2_GLOBAL_CAP_LEASING) ||  in SMB2_open_init()
2181 	else if (!(server->capabilities & SMB2_GLOBAL_CAP_DIRECTORY_LEASING) &&  in SMB2_open_init()
2185 		rc = add_lease_context(server, iov, &n_iov,  in SMB2_open_init()
2193 		if (server->capabilities & SMB2_GLOBAL_CAP_LEASING) {  in SMB2_open_init()
2197 				cpu_to_le32(server->vals->create_lease_size);  in SMB2_open_init()
2259 	struct TCP_Server_Info *server;  in SMB2_open()  local
2269 	if (ses && (ses->server))  in SMB2_open()
2270 		server = ses->server;  in SMB2_open()
2319 		*oplock = parse_lease_state(server, rsp, &oparms->fid->epoch,  in SMB2_open()
2364 	if (!ses || !(ses->server))  in SMB2_ioctl()
2555 	if (!ses || !(ses->server))  in SMB2_close_flags()
2708 	if (!ses || !(ses->server))  in query_info()
2815 	struct TCP_Server_Info *server = mid->callback_data;  in smb2_echo_callback()  local
2823 	add_credits(server, credits_received, CIFS_ECHO_OP);  in smb2_echo_callback()
2828 	struct TCP_Server_Info *server = container_of(work,  in smb2_reconnect_server()  local
2839 	mutex_lock(&server->reconnect_mutex);  in smb2_reconnect_server()
2845 	list_for_each_entry(ses, &server->smb_ses_list, smb_ses_list) {  in smb2_reconnect_server()
2863 		server->srv_count++;  in smb2_reconnect_server()
2879 		queue_delayed_work(cifsiod_wq, &server->reconnect, 2 * HZ);  in smb2_reconnect_server()
2880 	mutex_unlock(&server->reconnect_mutex);  in smb2_reconnect_server()
2884 		cifs_put_tcp_session(server, 1);  in smb2_reconnect_server()
2888 SMB2_echo(struct TCP_Server_Info *server)  in SMB2_echo()  argument
2899 	if (server->tcpStatus == CifsNeedNegotiate) {  in SMB2_echo()
2901 		queue_delayed_work(cifsiod_wq, &server->reconnect, 0);  in SMB2_echo()
2914 	rc = cifs_call_async(server, &rqst, NULL, smb2_echo_callback, NULL,  in SMB2_echo()
2915 			     server, CIFS_ECHO_OP);  in SMB2_echo()
2939 	if (!ses || !(ses->server))  in SMB2_flush()
2984 	struct TCP_Server_Info *server;  in smb2_new_read_req()  local
2991 	server = io_parms->tcon->ses->server;  in smb2_new_read_req()
2992 	if (server == NULL)  in smb2_new_read_req()
3011 	if (server->rdma && rdata && !server->sign &&  in smb2_new_read_req()
3012 		rdata->bytes >= server->smbd_conn->rdma_readwrite_threshold) {  in smb2_new_read_req()
3016 			io_parms->tcon->ses->server->dialect == SMB30_PROT_ID;  in smb2_new_read_req()
3019 				server->smbd_conn, rdata->pages,  in smb2_new_read_req()
3073 	struct TCP_Server_Info *server = tcon->ses->server;  in smb2_readv_callback()  local
3093 		if (server->sign && !mid->decrypted) {  in smb2_readv_callback()
3096 			rc = smb2_verify_signature(&rqst, server);  in smb2_readv_callback()
3108 		if (server->sign && rdata->got_bytes)  in smb2_readv_callback()
3135 	add_credits(server, credits_received, 0);  in smb2_readv_callback()
3148 	struct TCP_Server_Info *server;  in smb2_async_readv()  local
3161 	server = io_parms.tcon->ses->server;  in smb2_async_readv()
3170 			spin_lock(&server->req_lock);  in smb2_async_readv()
3171 			server->in_flight--;  in smb2_async_readv()
3172 			spin_unlock(&server->req_lock);  in smb2_async_readv()
3189 		spin_lock(&server->req_lock);  in smb2_async_readv()
3190 		server->credits += rdata->credits -  in smb2_async_readv()
3192 		spin_unlock(&server->req_lock);  in smb2_async_readv()
3193 		wake_up(&server->request_q);  in smb2_async_readv()
3198 	rc = cifs_call_async(io_parms.tcon->ses->server, &rqst,  in smb2_async_readv()
3303 		wdata->result = smb2_check_receive(mid, tcon->ses->server, 0);  in smb2_writev_callback()
3348 	add_credits(tcon->ses->server, credits_received, 0);  in smb2_writev_callback()
3360 	struct TCP_Server_Info *server = tcon->ses->server;  in smb2_async_writev()  local
3371 			spin_lock(&server->req_lock);  in smb2_async_writev()
3372 			server->in_flight--;  in smb2_async_writev()
3373 			spin_unlock(&server->req_lock);  in smb2_async_writev()
3398 	if (server->rdma && !server->sign && wdata->bytes >=  in smb2_async_writev()
3399 		server->smbd_conn->rdma_readwrite_threshold) {  in smb2_async_writev()
3402 		bool need_invalidate = server->dialect == SMB30_PROT_ID;  in smb2_async_writev()
3405 				server->smbd_conn, wdata->pages,  in smb2_async_writev()
3466 		spin_lock(&server->req_lock);  in smb2_async_writev()
3467 		server->credits += wdata->credits -  in smb2_async_writev()
3469 		spin_unlock(&server->req_lock);  in smb2_async_writev()
3470 		wake_up(&server->request_q);  in smb2_async_writev()
3475 	rc = cifs_call_async(server, &rqst, NULL, smb2_writev_callback, NULL,  in smb2_async_writev()
3523 	if (io_parms->tcon->ses->server == NULL)  in SMB2_write()
3636 	struct TCP_Server_Info *server;  in SMB2_query_directory()  local
3645 	if (ses && (ses->server))  in SMB2_query_directory()
3646 		server = ses->server;  in SMB2_query_directory()
3689 	output_size = min_t(unsigned int, output_size, server->maxBuf);  in SMB2_query_directory()
3775 	if (!ses || !(ses->server))  in send_set_info()
4057 	struct TCP_Server_Info *server;  in build_qfs_info_req()  local
4064 	if ((tcon->ses == NULL) || (tcon->ses->server == NULL))  in build_qfs_info_req()
4067 	server = tcon->ses->server;  in build_qfs_info_req()