Lines Matching refs:server
42 alloc_mid(const struct smb_hdr *smb_buffer, struct TCP_Server_Info *server) in alloc_mid() argument
46 if (server == NULL) { in alloc_mid()
61 temp->server = server; in alloc_mid()
82 __le16 command = midEntry->server->vals->lock_cmd; in __release_mid()
87 struct TCP_Server_Info *server = midEntry->server; in __release_mid() local
91 server->ops->handle_cancelled_mid) in __release_mid()
92 server->ops->handle_cancelled_mid(midEntry, server); in __release_mid()
107 if (atomic_read(&server->num_cmds[smb_cmd]) == 0) { in __release_mid()
108 server->slowest_cmd[smb_cmd] = roundtrip_time; in __release_mid()
109 server->fastest_cmd[smb_cmd] = roundtrip_time; in __release_mid()
111 if (server->slowest_cmd[smb_cmd] < roundtrip_time) in __release_mid()
112 server->slowest_cmd[smb_cmd] = roundtrip_time; in __release_mid()
113 else if (server->fastest_cmd[smb_cmd] > roundtrip_time) in __release_mid()
114 server->fastest_cmd[smb_cmd] = roundtrip_time; in __release_mid()
116 cifs_stats_inc(&server->num_cmds[smb_cmd]); in __release_mid()
117 server->time_per_cmd[smb_cmd] += roundtrip_time; in __release_mid()
137 cifs_stats_inc(&server->smb2slowcmd[smb_cmd]); in __release_mid()
158 struct TCP_Server_Info *server = mid->server; in release_mid() local
160 spin_lock(&server->mid_lock); in release_mid()
162 spin_unlock(&server->mid_lock); in release_mid()
168 spin_lock(&mid->server->mid_lock); in delete_mid()
173 spin_unlock(&mid->server->mid_lock); in delete_mid()
188 smb_send_kvec(struct TCP_Server_Info *server, struct msghdr *smb_msg, in smb_send_kvec() argument
193 struct socket *ssocket = server->ssocket; in smb_send_kvec()
197 if (server->noblocksnd) in smb_send_kvec()
225 (!server->noblocksnd && (retries > 2))) { in smb_send_kvec()
253 smb_rqst_len(struct TCP_Server_Info *server, struct smb_rqst *rqst) in smb_rqst_len() argument
260 if (!is_smb1(server) && rqst->rq_nvec >= 2 && in smb_rqst_len()
297 __smb_send_rqst(struct TCP_Server_Info *server, int num_rqst, in __smb_send_rqst() argument
307 struct socket *ssocket = server->ssocket; in __smb_send_rqst()
311 if (cifs_rdma_enabled(server)) { in __smb_send_rqst()
314 if (server->smbd_conn) in __smb_send_rqst()
315 rc = smbd_send(server, num_rqst, rqst); in __smb_send_rqst()
331 send_length += smb_rqst_len(server, &rqst[j]); in __smb_send_rqst()
345 if (!is_smb1(server)) { in __smb_send_rqst()
351 rc = smb_send_kvec(server, &smb_msg, &sent); in __smb_send_rqst()
373 rc = smb_send_kvec(server, &smb_msg, &sent); in __smb_send_rqst()
389 rc = smb_send_kvec(server, &smb_msg, &sent); in __smb_send_rqst()
427 cifs_signal_cifsd_for_reconnect(server, false); in __smb_send_rqst()
428 trace_smb3_partial_send_reconnect(server->CurrentMid, in __smb_send_rqst()
429 server->conn_id, server->hostname); in __smb_send_rqst()
442 smb_send_rqst(struct TCP_Server_Info *server, int num_rqst, in smb_send_rqst() argument
451 return __smb_send_rqst(server, num_rqst, rqst); in smb_send_rqst()
456 if (!server->ops->init_transform_rq) { in smb_send_rqst()
473 rc = server->ops->init_transform_rq(server, num_rqst + 1, in smb_send_rqst()
478 rc = __smb_send_rqst(server, num_rqst + 1, &cur_rqst[0]); in smb_send_rqst()
486 smb_send(struct TCP_Server_Info *server, struct smb_hdr *smb_buffer, in smb_send() argument
498 return __smb_send_rqst(server, 1, &rqst); in smb_send()
502 wait_for_free_credits(struct TCP_Server_Info *server, const int num_credits, in wait_for_free_credits() argument
521 credits = server->ops->get_credits_field(server, optype); in wait_for_free_credits()
526 spin_lock(&server->req_lock); in wait_for_free_credits()
529 server->in_flight++; in wait_for_free_credits()
530 if (server->in_flight > server->max_in_flight) in wait_for_free_credits()
531 server->max_in_flight = server->in_flight; in wait_for_free_credits()
533 *instance = server->reconnect_instance; in wait_for_free_credits()
535 in_flight = server->in_flight; in wait_for_free_credits()
536 spin_unlock(&server->req_lock); in wait_for_free_credits()
538 trace_smb3_nblk_credits(server->CurrentMid, in wait_for_free_credits()
539 server->conn_id, server->hostname, scredits, -1, in_flight); in wait_for_free_credits()
549 spin_unlock(&server->req_lock); in wait_for_free_credits()
551 cifs_num_waiters_inc(server); in wait_for_free_credits()
552 rc = wait_event_killable_timeout(server->request_q, in wait_for_free_credits()
553 has_credits(server, credits, num_credits), t); in wait_for_free_credits()
554 cifs_num_waiters_dec(server); in wait_for_free_credits()
556 spin_lock(&server->req_lock); in wait_for_free_credits()
558 in_flight = server->in_flight; in wait_for_free_credits()
559 spin_unlock(&server->req_lock); in wait_for_free_credits()
561 trace_smb3_credit_timeout(server->CurrentMid, in wait_for_free_credits()
562 server->conn_id, server->hostname, scredits, in wait_for_free_credits()
570 spin_lock(&server->req_lock); in wait_for_free_credits()
572 spin_unlock(&server->req_lock); in wait_for_free_credits()
574 spin_lock(&server->srv_lock); in wait_for_free_credits()
575 if (server->tcpStatus == CifsExiting) { in wait_for_free_credits()
576 spin_unlock(&server->srv_lock); in wait_for_free_credits()
579 spin_unlock(&server->srv_lock); in wait_for_free_credits()
594 spin_lock(&server->req_lock); in wait_for_free_credits()
596 server->in_flight > 2 * MAX_COMPOUND && in wait_for_free_credits()
598 spin_unlock(&server->req_lock); in wait_for_free_credits()
600 cifs_num_waiters_inc(server); in wait_for_free_credits()
602 server->request_q, in wait_for_free_credits()
603 has_credits(server, credits, in wait_for_free_credits()
606 cifs_num_waiters_dec(server); in wait_for_free_credits()
608 spin_lock(&server->req_lock); in wait_for_free_credits()
610 in_flight = server->in_flight; in wait_for_free_credits()
611 spin_unlock(&server->req_lock); in wait_for_free_credits()
614 server->CurrentMid, in wait_for_free_credits()
615 server->conn_id, server->hostname, in wait_for_free_credits()
623 spin_lock(&server->req_lock); in wait_for_free_credits()
635 server->in_flight += num_credits; in wait_for_free_credits()
636 if (server->in_flight > server->max_in_flight) in wait_for_free_credits()
637 server->max_in_flight = server->in_flight; in wait_for_free_credits()
638 *instance = server->reconnect_instance; in wait_for_free_credits()
641 in_flight = server->in_flight; in wait_for_free_credits()
642 spin_unlock(&server->req_lock); in wait_for_free_credits()
644 trace_smb3_waitff_credits(server->CurrentMid, in wait_for_free_credits()
645 server->conn_id, server->hostname, scredits, in wait_for_free_credits()
656 wait_for_free_request(struct TCP_Server_Info *server, const int flags, in wait_for_free_request() argument
659 return wait_for_free_credits(server, 1, -1, flags, in wait_for_free_request()
664 wait_for_compound_request(struct TCP_Server_Info *server, int num, in wait_for_compound_request() argument
670 credits = server->ops->get_credits_field(server, flags & CIFS_OP_MASK); in wait_for_compound_request()
672 spin_lock(&server->req_lock); in wait_for_compound_request()
674 in_flight = server->in_flight; in wait_for_compound_request()
693 if (server->in_flight == 0) { in wait_for_compound_request()
694 spin_unlock(&server->req_lock); in wait_for_compound_request()
695 trace_smb3_insufficient_credits(server->CurrentMid, in wait_for_compound_request()
696 server->conn_id, server->hostname, scredits, in wait_for_compound_request()
703 spin_unlock(&server->req_lock); in wait_for_compound_request()
705 return wait_for_free_credits(server, num, 60000, flags, in wait_for_compound_request()
710 cifs_wait_mtu_credits(struct TCP_Server_Info *server, unsigned int size, in cifs_wait_mtu_credits() argument
715 credits->instance = server->reconnect_instance; in cifs_wait_mtu_credits()
742 *ppmidQ = alloc_mid(in_buf, ses->server); in allocate_mid()
745 spin_lock(&ses->server->mid_lock); in allocate_mid()
746 list_add_tail(&(*ppmidQ)->qhead, &ses->server->pending_mid_q); in allocate_mid()
747 spin_unlock(&ses->server->mid_lock); in allocate_mid()
752 wait_for_response(struct TCP_Server_Info *server, struct mid_q_entry *midQ) in wait_for_response() argument
756 error = wait_event_state(server->response_q, in wait_for_response()
766 cifs_setup_async_request(struct TCP_Server_Info *server, struct smb_rqst *rqst) in cifs_setup_async_request() argument
777 if (server->sign) in cifs_setup_async_request()
780 mid = alloc_mid(hdr, server); in cifs_setup_async_request()
784 rc = cifs_sign_rqst(rqst, server, &mid->sequence_number); in cifs_setup_async_request()
798 cifs_call_async(struct TCP_Server_Info *server, struct smb_rqst *rqst, in cifs_call_async() argument
812 rc = wait_for_free_request(server, flags, &instance); in cifs_call_async()
820 cifs_server_lock(server); in cifs_call_async()
827 if (instance != server->reconnect_instance) { in cifs_call_async()
828 cifs_server_unlock(server); in cifs_call_async()
829 add_credits_and_wake_if(server, &credits, optype); in cifs_call_async()
833 mid = server->ops->setup_async_request(server, rqst); in cifs_call_async()
835 cifs_server_unlock(server); in cifs_call_async()
836 add_credits_and_wake_if(server, &credits, optype); in cifs_call_async()
847 spin_lock(&server->mid_lock); in cifs_call_async()
848 list_add_tail(&mid->qhead, &server->pending_mid_q); in cifs_call_async()
849 spin_unlock(&server->mid_lock); in cifs_call_async()
856 cifs_in_send_inc(server); in cifs_call_async()
857 rc = smb_send_rqst(server, 1, rqst, flags); in cifs_call_async()
858 cifs_in_send_dec(server); in cifs_call_async()
861 revert_current_mid(server, mid->credits); in cifs_call_async()
862 server->sequence_number -= 2; in cifs_call_async()
866 cifs_server_unlock(server); in cifs_call_async()
871 add_credits_and_wake_if(server, &credits, optype); in cifs_call_async()
903 cifs_sync_mid_result(struct mid_q_entry *mid, struct TCP_Server_Info *server) in cifs_sync_mid_result() argument
910 spin_lock(&server->mid_lock); in cifs_sync_mid_result()
913 spin_unlock(&server->mid_lock); in cifs_sync_mid_result()
933 spin_unlock(&server->mid_lock); in cifs_sync_mid_result()
940 send_cancel(struct TCP_Server_Info *server, struct smb_rqst *rqst, in send_cancel() argument
943 return server->ops->send_cancel ? in send_cancel()
944 server->ops->send_cancel(server, rqst, mid) : 0; in send_cancel()
948 cifs_check_receive(struct mid_q_entry *mid, struct TCP_Server_Info *server, in cifs_check_receive() argument
956 if (server->sign) { in cifs_check_receive()
967 rc = cifs_verify_signature(&rqst, server, in cifs_check_receive()
993 rc = cifs_sign_rqst(rqst, ses->server, &mid->sequence_number); in cifs_setup_request()
1004 struct TCP_Server_Info *server = mid->server; in cifs_compound_callback() local
1007 credits.value = server->ops->get_credits(mid); in cifs_compound_callback()
1008 credits.instance = server->reconnect_instance; in cifs_compound_callback()
1010 add_credits(server, &credits, mid->optype); in cifs_compound_callback()
1048 return ses->chans[index].server; in cifs_pick_channel()
1053 struct TCP_Server_Info *server, in compound_send_recv() argument
1071 if (!ses || !ses->server || !server) { in compound_send_recv()
1076 spin_lock(&server->srv_lock); in compound_send_recv()
1077 if (server->tcpStatus == CifsExiting) { in compound_send_recv()
1078 spin_unlock(&server->srv_lock); in compound_send_recv()
1081 spin_unlock(&server->srv_lock); in compound_send_recv()
1091 rc = wait_for_compound_request(server, num_rqst, flags, in compound_send_recv()
1107 cifs_server_lock(server); in compound_send_recv()
1116 if (instance != server->reconnect_instance) { in compound_send_recv()
1117 cifs_server_unlock(server); in compound_send_recv()
1119 add_credits(server, &credits[j], optype); in compound_send_recv()
1124 midQ[i] = server->ops->setup_request(ses, server, &rqst[i]); in compound_send_recv()
1126 revert_current_mid(server, i); in compound_send_recv()
1129 cifs_server_unlock(server); in compound_send_recv()
1133 add_credits(server, &credits[j], optype); in compound_send_recv()
1149 cifs_in_send_inc(server); in compound_send_recv()
1150 rc = smb_send_rqst(server, num_rqst, rqst, flags); in compound_send_recv()
1151 cifs_in_send_dec(server); in compound_send_recv()
1157 revert_current_mid(server, num_rqst); in compound_send_recv()
1158 server->sequence_number -= 2; in compound_send_recv()
1161 cifs_server_unlock(server); in compound_send_recv()
1169 add_credits(server, &credits[i], optype); in compound_send_recv()
1188 cifs_server_lock(server); in compound_send_recv()
1189 smb311_update_preauth_hash(ses, server, rqst[0].rq_iov, rqst[0].rq_nvec); in compound_send_recv()
1190 cifs_server_unlock(server); in compound_send_recv()
1197 rc = wait_for_response(server, midQ[i]); in compound_send_recv()
1205 send_cancel(server, &rqst[i], midQ[i]); in compound_send_recv()
1206 spin_lock(&server->mid_lock); in compound_send_recv()
1213 spin_unlock(&server->mid_lock); in compound_send_recv()
1221 rc = cifs_sync_mid_result(midQ[i], server); in compound_send_recv()
1238 HEADER_PREAMBLE_SIZE(server); in compound_send_recv()
1245 rc = server->ops->check_receive(midQ[i], server, in compound_send_recv()
1264 cifs_server_lock(server); in compound_send_recv()
1265 smb311_update_preauth_hash(ses, server, &iov, 1); in compound_send_recv()
1266 cifs_server_unlock(server); in compound_send_recv()
1288 struct TCP_Server_Info *server, in cifs_send_recv() argument
1292 return compound_send_recv(xid, ses, server, flags, 1, in cifs_send_recv()
1328 rc = cifs_send_recv(xid, ses, ses->server, in SendReceive2()
1346 struct TCP_Server_Info *server; in SendReceive() local
1352 server = ses->server; in SendReceive()
1353 if (server == NULL) { in SendReceive()
1358 spin_lock(&server->srv_lock); in SendReceive()
1359 if (server->tcpStatus == CifsExiting) { in SendReceive()
1360 spin_unlock(&server->srv_lock); in SendReceive()
1363 spin_unlock(&server->srv_lock); in SendReceive()
1375 rc = wait_for_free_request(server, flags, &credits.instance); in SendReceive()
1383 cifs_server_lock(server); in SendReceive()
1387 cifs_server_unlock(server); in SendReceive()
1389 add_credits(server, &credits, 0); in SendReceive()
1393 rc = cifs_sign_smb(in_buf, server, &midQ->sequence_number); in SendReceive()
1395 cifs_server_unlock(server); in SendReceive()
1401 cifs_in_send_inc(server); in SendReceive()
1402 rc = smb_send(server, in_buf, len); in SendReceive()
1403 cifs_in_send_dec(server); in SendReceive()
1407 server->sequence_number -= 2; in SendReceive()
1409 cifs_server_unlock(server); in SendReceive()
1414 rc = wait_for_response(server, midQ); in SendReceive()
1416 send_cancel(server, &rqst, midQ); in SendReceive()
1417 spin_lock(&server->mid_lock); in SendReceive()
1421 spin_unlock(&server->mid_lock); in SendReceive()
1422 add_credits(server, &credits, 0); in SendReceive()
1425 spin_unlock(&server->mid_lock); in SendReceive()
1428 rc = cifs_sync_mid_result(midQ, server); in SendReceive()
1430 add_credits(server, &credits, 0); in SendReceive()
1443 rc = cifs_check_receive(midQ, server, 0); in SendReceive()
1446 add_credits(server, &credits, 0); in SendReceive()
1470 pSMB->hdr.Mid = get_next_mid(ses->server); in send_lock_cancel()
1489 struct TCP_Server_Info *server; in SendReceiveBlockingLock() local
1496 server = ses->server; in SendReceiveBlockingLock()
1498 if (server == NULL) { in SendReceiveBlockingLock()
1503 spin_lock(&server->srv_lock); in SendReceiveBlockingLock()
1504 if (server->tcpStatus == CifsExiting) { in SendReceiveBlockingLock()
1505 spin_unlock(&server->srv_lock); in SendReceiveBlockingLock()
1508 spin_unlock(&server->srv_lock); in SendReceiveBlockingLock()
1520 rc = wait_for_free_request(server, CIFS_BLOCKING_OP, &instance); in SendReceiveBlockingLock()
1528 cifs_server_lock(server); in SendReceiveBlockingLock()
1532 cifs_server_unlock(server); in SendReceiveBlockingLock()
1536 rc = cifs_sign_smb(in_buf, server, &midQ->sequence_number); in SendReceiveBlockingLock()
1539 cifs_server_unlock(server); in SendReceiveBlockingLock()
1544 cifs_in_send_inc(server); in SendReceiveBlockingLock()
1545 rc = smb_send(server, in_buf, len); in SendReceiveBlockingLock()
1546 cifs_in_send_dec(server); in SendReceiveBlockingLock()
1550 server->sequence_number -= 2; in SendReceiveBlockingLock()
1552 cifs_server_unlock(server); in SendReceiveBlockingLock()
1560 rc = wait_event_interruptible(server->response_q, in SendReceiveBlockingLock()
1562 ((server->tcpStatus != CifsGood) && in SendReceiveBlockingLock()
1563 (server->tcpStatus != CifsNew))); in SendReceiveBlockingLock()
1566 spin_lock(&server->srv_lock); in SendReceiveBlockingLock()
1569 ((server->tcpStatus == CifsGood) || in SendReceiveBlockingLock()
1570 (server->tcpStatus == CifsNew))) { in SendReceiveBlockingLock()
1571 spin_unlock(&server->srv_lock); in SendReceiveBlockingLock()
1576 rc = send_cancel(server, &rqst, midQ); in SendReceiveBlockingLock()
1595 rc = wait_for_response(server, midQ); in SendReceiveBlockingLock()
1597 send_cancel(server, &rqst, midQ); in SendReceiveBlockingLock()
1598 spin_lock(&server->mid_lock); in SendReceiveBlockingLock()
1602 spin_unlock(&server->mid_lock); in SendReceiveBlockingLock()
1605 spin_unlock(&server->mid_lock); in SendReceiveBlockingLock()
1610 spin_lock(&server->srv_lock); in SendReceiveBlockingLock()
1612 spin_unlock(&server->srv_lock); in SendReceiveBlockingLock()
1614 rc = cifs_sync_mid_result(midQ, server); in SendReceiveBlockingLock()
1627 rc = cifs_check_receive(midQ, server, 0); in SendReceiveBlockingLock()
1640 cifs_discard_remaining_data(struct TCP_Server_Info *server) in cifs_discard_remaining_data() argument
1642 unsigned int rfclen = server->pdu_size; in cifs_discard_remaining_data()
1643 int remaining = rfclen + HEADER_PREAMBLE_SIZE(server) - in cifs_discard_remaining_data()
1644 server->total_read; in cifs_discard_remaining_data()
1649 length = cifs_discard_from_socket(server, in cifs_discard_remaining_data()
1651 CIFSMaxBufSize + MAX_HEADER_SIZE(server))); in cifs_discard_remaining_data()
1654 server->total_read += length; in cifs_discard_remaining_data()
1662 __cifs_readv_discard(struct TCP_Server_Info *server, struct mid_q_entry *mid, in __cifs_readv_discard() argument
1667 length = cifs_discard_remaining_data(server); in __cifs_readv_discard()
1669 mid->resp_buf = server->smallbuf; in __cifs_readv_discard()
1670 server->smallbuf = NULL; in __cifs_readv_discard()
1675 cifs_readv_discard(struct TCP_Server_Info *server, struct mid_q_entry *mid) in cifs_readv_discard() argument
1679 return __cifs_readv_discard(server, mid, rdata->result); in cifs_readv_discard()
1683 cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid) in cifs_readv_receive() argument
1688 char *buf = server->smallbuf; in cifs_readv_receive()
1689 unsigned int buflen = server->pdu_size + HEADER_PREAMBLE_SIZE(server); in cifs_readv_receive()
1700 len = min_t(unsigned int, buflen, server->vals->read_rsp_size) - in cifs_readv_receive()
1701 HEADER_SIZE(server) + 1; in cifs_readv_receive()
1703 length = cifs_read_from_socket(server, in cifs_readv_receive()
1704 buf + HEADER_SIZE(server) - 1, len); in cifs_readv_receive()
1707 server->total_read += length; in cifs_readv_receive()
1709 if (server->ops->is_session_expired && in cifs_readv_receive()
1710 server->ops->is_session_expired(buf)) { in cifs_readv_receive()
1711 cifs_reconnect(server, true); in cifs_readv_receive()
1715 if (server->ops->is_status_pending && in cifs_readv_receive()
1716 server->ops->is_status_pending(buf, server)) { in cifs_readv_receive()
1717 cifs_discard_remaining_data(server); in cifs_readv_receive()
1723 rdata->iov[0].iov_len = HEADER_PREAMBLE_SIZE(server); in cifs_readv_receive()
1724 rdata->iov[1].iov_base = buf + HEADER_PREAMBLE_SIZE(server); in cifs_readv_receive()
1726 server->total_read - HEADER_PREAMBLE_SIZE(server); in cifs_readv_receive()
1733 rdata->result = server->ops->map_error(buf, false); in cifs_readv_receive()
1738 return __cifs_readv_discard(server, mid, false); in cifs_readv_receive()
1742 if (server->total_read < server->vals->read_rsp_size) { in cifs_readv_receive()
1744 __func__, server->total_read, in cifs_readv_receive()
1745 server->vals->read_rsp_size); in cifs_readv_receive()
1747 return cifs_readv_discard(server, mid); in cifs_readv_receive()
1750 data_offset = server->ops->read_data_offset(buf) + in cifs_readv_receive()
1751 HEADER_PREAMBLE_SIZE(server); in cifs_readv_receive()
1752 if (data_offset < server->total_read) { in cifs_readv_receive()
1760 data_offset = server->total_read; in cifs_readv_receive()
1766 return cifs_readv_discard(server, mid); in cifs_readv_receive()
1770 __func__, server->total_read, data_offset); in cifs_readv_receive()
1772 len = data_offset - server->total_read; in cifs_readv_receive()
1775 length = cifs_read_from_socket(server, in cifs_readv_receive()
1776 buf + server->total_read, len); in cifs_readv_receive()
1779 server->total_read += length; in cifs_readv_receive()
1786 data_len = server->ops->read_data_length(buf, use_rdma_mr); in cifs_readv_receive()
1790 return cifs_readv_discard(server, mid); in cifs_readv_receive()
1793 length = rdata->read_into_pages(server, rdata, data_len); in cifs_readv_receive()
1797 server->total_read += length; in cifs_readv_receive()
1800 server->total_read, buflen, data_len); in cifs_readv_receive()
1803 if (server->total_read < buflen) in cifs_readv_receive()
1804 return cifs_readv_discard(server, mid); in cifs_readv_receive()
1807 mid->resp_buf = server->smallbuf; in cifs_readv_receive()
1808 server->smallbuf = NULL; in cifs_readv_receive()