Lines Matching refs:server
44 alloc_mid(const struct smb_hdr *smb_buffer, struct TCP_Server_Info *server) in alloc_mid() argument
48 if (server == NULL) { in alloc_mid()
63 temp->server = server; in alloc_mid()
84 __le16 command = midEntry->server->vals->lock_cmd; in __release_mid()
89 struct TCP_Server_Info *server = midEntry->server; in __release_mid() local
94 server->ops->handle_cancelled_mid) in __release_mid()
95 server->ops->handle_cancelled_mid(midEntry, server); in __release_mid()
110 if (atomic_read(&server->num_cmds[smb_cmd]) == 0) { in __release_mid()
111 server->slowest_cmd[smb_cmd] = roundtrip_time; in __release_mid()
112 server->fastest_cmd[smb_cmd] = roundtrip_time; in __release_mid()
114 if (server->slowest_cmd[smb_cmd] < roundtrip_time) in __release_mid()
115 server->slowest_cmd[smb_cmd] = roundtrip_time; in __release_mid()
116 else if (server->fastest_cmd[smb_cmd] > roundtrip_time) in __release_mid()
117 server->fastest_cmd[smb_cmd] = roundtrip_time; in __release_mid()
119 cifs_stats_inc(&server->num_cmds[smb_cmd]); in __release_mid()
120 server->time_per_cmd[smb_cmd] += roundtrip_time; in __release_mid()
140 cifs_stats_inc(&server->smb2slowcmd[smb_cmd]); in __release_mid()
161 struct TCP_Server_Info *server = mid->server; in release_mid() local
163 spin_lock(&server->mid_lock); in release_mid()
165 spin_unlock(&server->mid_lock); in release_mid()
171 spin_lock(&mid->server->mid_lock); in delete_mid()
176 spin_unlock(&mid->server->mid_lock); in delete_mid()
191 smb_send_kvec(struct TCP_Server_Info *server, struct msghdr *smb_msg, in smb_send_kvec() argument
196 struct socket *ssocket = server->ssocket; in smb_send_kvec()
200 if (server->noblocksnd) in smb_send_kvec()
228 (!server->noblocksnd && (retries > 2))) { in smb_send_kvec()
256 smb_rqst_len(struct TCP_Server_Info *server, struct smb_rqst *rqst) in smb_rqst_len() argument
263 if (!is_smb1(server) && rqst->rq_nvec >= 2 && in smb_rqst_len()
281 __smb_send_rqst(struct TCP_Server_Info *server, int num_rqst, in __smb_send_rqst() argument
291 struct socket *ssocket = server->ssocket; in __smb_send_rqst()
295 cifs_in_send_inc(server); in __smb_send_rqst()
296 if (cifs_rdma_enabled(server)) { in __smb_send_rqst()
299 if (server->smbd_conn) in __smb_send_rqst()
300 rc = smbd_send(server, num_rqst, rqst); in __smb_send_rqst()
319 send_length += smb_rqst_len(server, &rqst[j]); in __smb_send_rqst()
333 if (!is_smb1(server)) { in __smb_send_rqst()
339 rc = smb_send_kvec(server, &smb_msg, &sent); in __smb_send_rqst()
361 rc = smb_send_kvec(server, &smb_msg, &sent); in __smb_send_rqst()
369 rc = smb_send_kvec(server, &smb_msg, &sent); in __smb_send_rqst()
407 cifs_signal_cifsd_for_reconnect(server, false); in __smb_send_rqst()
408 trace_smb3_partial_send_reconnect(server->CurrentMid, in __smb_send_rqst()
409 server->conn_id, server->hostname); in __smb_send_rqst()
418 cifs_in_send_dec(server); in __smb_send_rqst()
429 smb_send_rqst(struct TCP_Server_Info *server, int num_rqst, in smb_send_rqst() argument
438 return __smb_send_rqst(server, num_rqst, rqst); in smb_send_rqst()
443 if (!server->ops->init_transform_rq) { in smb_send_rqst()
459 rc = server->ops->init_transform_rq(server, num_rqst + 1, in smb_send_rqst()
464 rc = __smb_send_rqst(server, num_rqst + 1, &cur_rqst[0]); in smb_send_rqst()
472 smb_send(struct TCP_Server_Info *server, struct smb_hdr *smb_buffer, in smb_send() argument
484 return __smb_send_rqst(server, 1, &rqst); in smb_send()
488 wait_for_free_credits(struct TCP_Server_Info *server, const int num_credits, in wait_for_free_credits() argument
507 credits = server->ops->get_credits_field(server, optype); in wait_for_free_credits()
512 spin_lock(&server->req_lock); in wait_for_free_credits()
515 server->in_flight++; in wait_for_free_credits()
516 if (server->in_flight > server->max_in_flight) in wait_for_free_credits()
517 server->max_in_flight = server->in_flight; in wait_for_free_credits()
519 *instance = server->reconnect_instance; in wait_for_free_credits()
521 in_flight = server->in_flight; in wait_for_free_credits()
522 spin_unlock(&server->req_lock); in wait_for_free_credits()
524 trace_smb3_nblk_credits(server->CurrentMid, in wait_for_free_credits()
525 server->conn_id, server->hostname, scredits, -1, in_flight); in wait_for_free_credits()
533 spin_unlock(&server->req_lock); in wait_for_free_credits()
535 spin_lock(&server->srv_lock); in wait_for_free_credits()
536 if (server->tcpStatus == CifsExiting) { in wait_for_free_credits()
537 spin_unlock(&server->srv_lock); in wait_for_free_credits()
540 spin_unlock(&server->srv_lock); in wait_for_free_credits()
542 spin_lock(&server->req_lock); in wait_for_free_credits()
545 spin_unlock(&server->req_lock); in wait_for_free_credits()
547 cifs_num_waiters_inc(server); in wait_for_free_credits()
548 rc = wait_event_killable_timeout(server->request_q, in wait_for_free_credits()
549 has_credits(server, credits, num_credits), t); in wait_for_free_credits()
550 cifs_num_waiters_dec(server); in wait_for_free_credits()
552 spin_lock(&server->req_lock); in wait_for_free_credits()
554 in_flight = server->in_flight; in wait_for_free_credits()
555 spin_unlock(&server->req_lock); in wait_for_free_credits()
557 trace_smb3_credit_timeout(server->CurrentMid, in wait_for_free_credits()
558 server->conn_id, server->hostname, scredits, in wait_for_free_credits()
566 spin_lock(&server->req_lock); in wait_for_free_credits()
582 server->in_flight > 2 * MAX_COMPOUND && in wait_for_free_credits()
584 spin_unlock(&server->req_lock); in wait_for_free_credits()
586 cifs_num_waiters_inc(server); in wait_for_free_credits()
588 server->request_q, in wait_for_free_credits()
589 has_credits(server, credits, in wait_for_free_credits()
592 cifs_num_waiters_dec(server); in wait_for_free_credits()
594 spin_lock(&server->req_lock); in wait_for_free_credits()
596 in_flight = server->in_flight; in wait_for_free_credits()
597 spin_unlock(&server->req_lock); in wait_for_free_credits()
600 server->CurrentMid, in wait_for_free_credits()
601 server->conn_id, server->hostname, in wait_for_free_credits()
609 spin_lock(&server->req_lock); in wait_for_free_credits()
621 server->in_flight += num_credits; in wait_for_free_credits()
622 if (server->in_flight > server->max_in_flight) in wait_for_free_credits()
623 server->max_in_flight = server->in_flight; in wait_for_free_credits()
624 *instance = server->reconnect_instance; in wait_for_free_credits()
627 in_flight = server->in_flight; in wait_for_free_credits()
628 spin_unlock(&server->req_lock); in wait_for_free_credits()
630 trace_smb3_waitff_credits(server->CurrentMid, in wait_for_free_credits()
631 server->conn_id, server->hostname, scredits, in wait_for_free_credits()
642 wait_for_free_request(struct TCP_Server_Info *server, const int flags, in wait_for_free_request() argument
645 return wait_for_free_credits(server, 1, -1, flags, in wait_for_free_request()
650 wait_for_compound_request(struct TCP_Server_Info *server, int num, in wait_for_compound_request() argument
656 credits = server->ops->get_credits_field(server, flags & CIFS_OP_MASK); in wait_for_compound_request()
658 spin_lock(&server->req_lock); in wait_for_compound_request()
660 in_flight = server->in_flight; in wait_for_compound_request()
679 if (server->in_flight == 0) { in wait_for_compound_request()
680 spin_unlock(&server->req_lock); in wait_for_compound_request()
681 trace_smb3_insufficient_credits(server->CurrentMid, in wait_for_compound_request()
682 server->conn_id, server->hostname, scredits, in wait_for_compound_request()
689 spin_unlock(&server->req_lock); in wait_for_compound_request()
691 return wait_for_free_credits(server, num, 60000, flags, in wait_for_compound_request()
696 cifs_wait_mtu_credits(struct TCP_Server_Info *server, unsigned int size, in cifs_wait_mtu_credits() argument
701 credits->instance = server->reconnect_instance; in cifs_wait_mtu_credits()
728 *ppmidQ = alloc_mid(in_buf, ses->server); in allocate_mid()
731 spin_lock(&ses->server->mid_lock); in allocate_mid()
732 list_add_tail(&(*ppmidQ)->qhead, &ses->server->pending_mid_q); in allocate_mid()
733 spin_unlock(&ses->server->mid_lock); in allocate_mid()
738 wait_for_response(struct TCP_Server_Info *server, struct mid_q_entry *midQ) in wait_for_response() argument
742 error = wait_event_state(server->response_q, in wait_for_response()
753 cifs_setup_async_request(struct TCP_Server_Info *server, struct smb_rqst *rqst) in cifs_setup_async_request() argument
764 if (server->sign) in cifs_setup_async_request()
767 mid = alloc_mid(hdr, server); in cifs_setup_async_request()
771 rc = cifs_sign_rqst(rqst, server, &mid->sequence_number); in cifs_setup_async_request()
785 cifs_call_async(struct TCP_Server_Info *server, struct smb_rqst *rqst, in cifs_call_async() argument
799 rc = wait_for_free_request(server, flags, &instance); in cifs_call_async()
807 cifs_server_lock(server); in cifs_call_async()
814 if (instance != server->reconnect_instance) { in cifs_call_async()
815 cifs_server_unlock(server); in cifs_call_async()
816 add_credits_and_wake_if(server, &credits, optype); in cifs_call_async()
820 mid = server->ops->setup_async_request(server, rqst); in cifs_call_async()
822 cifs_server_unlock(server); in cifs_call_async()
823 add_credits_and_wake_if(server, &credits, optype); in cifs_call_async()
834 spin_lock(&server->mid_lock); in cifs_call_async()
835 list_add_tail(&mid->qhead, &server->pending_mid_q); in cifs_call_async()
836 spin_unlock(&server->mid_lock); in cifs_call_async()
843 rc = smb_send_rqst(server, 1, rqst, flags); in cifs_call_async()
846 revert_current_mid(server, mid->credits); in cifs_call_async()
847 server->sequence_number -= 2; in cifs_call_async()
851 cifs_server_unlock(server); in cifs_call_async()
856 add_credits_and_wake_if(server, &credits, optype); in cifs_call_async()
888 cifs_sync_mid_result(struct mid_q_entry *mid, struct TCP_Server_Info *server) in cifs_sync_mid_result() argument
895 spin_lock(&server->mid_lock); in cifs_sync_mid_result()
898 spin_unlock(&server->mid_lock); in cifs_sync_mid_result()
918 spin_unlock(&server->mid_lock); in cifs_sync_mid_result()
925 send_cancel(struct TCP_Server_Info *server, struct smb_rqst *rqst, in send_cancel() argument
928 return server->ops->send_cancel ? in send_cancel()
929 server->ops->send_cancel(server, rqst, mid) : 0; in send_cancel()
933 cifs_check_receive(struct mid_q_entry *mid, struct TCP_Server_Info *server, in cifs_check_receive() argument
941 if (server->sign) { in cifs_check_receive()
952 rc = cifs_verify_signature(&rqst, server, in cifs_check_receive()
978 rc = cifs_sign_rqst(rqst, ses->server, &mid->sequence_number); in cifs_setup_request()
989 struct TCP_Server_Info *server = mid->server; in cifs_compound_callback() local
992 credits.value = server->ops->get_credits(mid); in cifs_compound_callback()
993 credits.instance = server->reconnect_instance; in cifs_compound_callback()
995 add_credits(server, &credits, mid->optype); in cifs_compound_callback()
1026 struct TCP_Server_Info *server = NULL; in cifs_pick_channel() local
1034 server = ses->chans[i].server; in cifs_pick_channel()
1035 if (!server) in cifs_pick_channel()
1046 if (server->in_flight < min_in_flight) { in cifs_pick_channel()
1047 min_in_flight = server->in_flight; in cifs_pick_channel()
1050 if (server->in_flight > max_in_flight) in cifs_pick_channel()
1051 max_in_flight = server->in_flight; in cifs_pick_channel()
1061 return ses->chans[index].server; in cifs_pick_channel()
1066 struct TCP_Server_Info *server, in compound_send_recv() argument
1084 if (!ses || !ses->server || !server) { in compound_send_recv()
1089 spin_lock(&server->srv_lock); in compound_send_recv()
1090 if (server->tcpStatus == CifsExiting) { in compound_send_recv()
1091 spin_unlock(&server->srv_lock); in compound_send_recv()
1094 spin_unlock(&server->srv_lock); in compound_send_recv()
1104 rc = wait_for_compound_request(server, num_rqst, flags, in compound_send_recv()
1120 cifs_server_lock(server); in compound_send_recv()
1129 if (instance != server->reconnect_instance) { in compound_send_recv()
1130 cifs_server_unlock(server); in compound_send_recv()
1132 add_credits(server, &credits[j], optype); in compound_send_recv()
1137 midQ[i] = server->ops->setup_request(ses, server, &rqst[i]); in compound_send_recv()
1139 revert_current_mid(server, i); in compound_send_recv()
1142 cifs_server_unlock(server); in compound_send_recv()
1146 add_credits(server, &credits[j], optype); in compound_send_recv()
1162 rc = smb_send_rqst(server, num_rqst, rqst, flags); in compound_send_recv()
1168 revert_current_mid(server, num_rqst); in compound_send_recv()
1169 server->sequence_number -= 2; in compound_send_recv()
1172 cifs_server_unlock(server); in compound_send_recv()
1180 add_credits(server, &credits[i], optype); in compound_send_recv()
1199 cifs_server_lock(server); in compound_send_recv()
1200 smb311_update_preauth_hash(ses, server, rqst[0].rq_iov, rqst[0].rq_nvec); in compound_send_recv()
1201 cifs_server_unlock(server); in compound_send_recv()
1208 rc = wait_for_response(server, midQ[i]); in compound_send_recv()
1216 send_cancel(server, &rqst[i], midQ[i]); in compound_send_recv()
1217 spin_lock(&server->mid_lock); in compound_send_recv()
1225 spin_unlock(&server->mid_lock); in compound_send_recv()
1233 rc = cifs_sync_mid_result(midQ[i], server); in compound_send_recv()
1250 HEADER_PREAMBLE_SIZE(server); in compound_send_recv()
1257 rc = server->ops->check_receive(midQ[i], server, in compound_send_recv()
1276 cifs_server_lock(server); in compound_send_recv()
1277 smb311_update_preauth_hash(ses, server, &iov, 1); in compound_send_recv()
1278 cifs_server_unlock(server); in compound_send_recv()
1300 struct TCP_Server_Info *server, in cifs_send_recv() argument
1304 return compound_send_recv(xid, ses, server, flags, 1, in cifs_send_recv()
1340 rc = cifs_send_recv(xid, ses, ses->server, in SendReceive2()
1358 struct TCP_Server_Info *server; in SendReceive() local
1364 server = ses->server; in SendReceive()
1365 if (server == NULL) { in SendReceive()
1370 spin_lock(&server->srv_lock); in SendReceive()
1371 if (server->tcpStatus == CifsExiting) { in SendReceive()
1372 spin_unlock(&server->srv_lock); in SendReceive()
1375 spin_unlock(&server->srv_lock); in SendReceive()
1387 rc = wait_for_free_request(server, flags, &credits.instance); in SendReceive()
1395 cifs_server_lock(server); in SendReceive()
1399 cifs_server_unlock(server); in SendReceive()
1401 add_credits(server, &credits, 0); in SendReceive()
1405 rc = cifs_sign_smb(in_buf, server, &midQ->sequence_number); in SendReceive()
1407 cifs_server_unlock(server); in SendReceive()
1413 rc = smb_send(server, in_buf, len); in SendReceive()
1417 server->sequence_number -= 2; in SendReceive()
1419 cifs_server_unlock(server); in SendReceive()
1424 rc = wait_for_response(server, midQ); in SendReceive()
1426 send_cancel(server, &rqst, midQ); in SendReceive()
1427 spin_lock(&server->mid_lock); in SendReceive()
1432 spin_unlock(&server->mid_lock); in SendReceive()
1433 add_credits(server, &credits, 0); in SendReceive()
1436 spin_unlock(&server->mid_lock); in SendReceive()
1439 rc = cifs_sync_mid_result(midQ, server); in SendReceive()
1441 add_credits(server, &credits, 0); in SendReceive()
1454 rc = cifs_check_receive(midQ, server, 0); in SendReceive()
1457 add_credits(server, &credits, 0); in SendReceive()
1481 pSMB->hdr.Mid = get_next_mid(ses->server); in send_lock_cancel()
1500 struct TCP_Server_Info *server; in SendReceiveBlockingLock() local
1507 server = ses->server; in SendReceiveBlockingLock()
1509 if (server == NULL) { in SendReceiveBlockingLock()
1514 spin_lock(&server->srv_lock); in SendReceiveBlockingLock()
1515 if (server->tcpStatus == CifsExiting) { in SendReceiveBlockingLock()
1516 spin_unlock(&server->srv_lock); in SendReceiveBlockingLock()
1519 spin_unlock(&server->srv_lock); in SendReceiveBlockingLock()
1531 rc = wait_for_free_request(server, CIFS_BLOCKING_OP, &instance); in SendReceiveBlockingLock()
1539 cifs_server_lock(server); in SendReceiveBlockingLock()
1543 cifs_server_unlock(server); in SendReceiveBlockingLock()
1547 rc = cifs_sign_smb(in_buf, server, &midQ->sequence_number); in SendReceiveBlockingLock()
1550 cifs_server_unlock(server); in SendReceiveBlockingLock()
1555 rc = smb_send(server, in_buf, len); in SendReceiveBlockingLock()
1559 server->sequence_number -= 2; in SendReceiveBlockingLock()
1561 cifs_server_unlock(server); in SendReceiveBlockingLock()
1569 rc = wait_event_interruptible(server->response_q, in SendReceiveBlockingLock()
1572 ((server->tcpStatus != CifsGood) && in SendReceiveBlockingLock()
1573 (server->tcpStatus != CifsNew))); in SendReceiveBlockingLock()
1576 spin_lock(&server->srv_lock); in SendReceiveBlockingLock()
1580 ((server->tcpStatus == CifsGood) || in SendReceiveBlockingLock()
1581 (server->tcpStatus == CifsNew))) { in SendReceiveBlockingLock()
1582 spin_unlock(&server->srv_lock); in SendReceiveBlockingLock()
1587 rc = send_cancel(server, &rqst, midQ); in SendReceiveBlockingLock()
1606 rc = wait_for_response(server, midQ); in SendReceiveBlockingLock()
1608 send_cancel(server, &rqst, midQ); in SendReceiveBlockingLock()
1609 spin_lock(&server->mid_lock); in SendReceiveBlockingLock()
1614 spin_unlock(&server->mid_lock); in SendReceiveBlockingLock()
1617 spin_unlock(&server->mid_lock); in SendReceiveBlockingLock()
1622 spin_lock(&server->srv_lock); in SendReceiveBlockingLock()
1624 spin_unlock(&server->srv_lock); in SendReceiveBlockingLock()
1626 rc = cifs_sync_mid_result(midQ, server); in SendReceiveBlockingLock()
1639 rc = cifs_check_receive(midQ, server, 0); in SendReceiveBlockingLock()
1652 cifs_discard_remaining_data(struct TCP_Server_Info *server) in cifs_discard_remaining_data() argument
1654 unsigned int rfclen = server->pdu_size; in cifs_discard_remaining_data()
1655 size_t remaining = rfclen + HEADER_PREAMBLE_SIZE(server) - in cifs_discard_remaining_data()
1656 server->total_read; in cifs_discard_remaining_data()
1661 length = cifs_discard_from_socket(server, in cifs_discard_remaining_data()
1663 CIFSMaxBufSize + MAX_HEADER_SIZE(server))); in cifs_discard_remaining_data()
1666 server->total_read += length; in cifs_discard_remaining_data()
1674 __cifs_readv_discard(struct TCP_Server_Info *server, struct mid_q_entry *mid, in __cifs_readv_discard() argument
1679 length = cifs_discard_remaining_data(server); in __cifs_readv_discard()
1681 mid->resp_buf = server->smallbuf; in __cifs_readv_discard()
1682 server->smallbuf = NULL; in __cifs_readv_discard()
1687 cifs_readv_discard(struct TCP_Server_Info *server, struct mid_q_entry *mid) in cifs_readv_discard() argument
1691 return __cifs_readv_discard(server, mid, rdata->result); in cifs_readv_discard()
1695 cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid) in cifs_readv_receive() argument
1700 char *buf = server->smallbuf; in cifs_readv_receive()
1701 unsigned int buflen = server->pdu_size + HEADER_PREAMBLE_SIZE(server); in cifs_readv_receive()
1712 len = min_t(unsigned int, buflen, server->vals->read_rsp_size) - in cifs_readv_receive()
1713 HEADER_SIZE(server) + 1; in cifs_readv_receive()
1715 length = cifs_read_from_socket(server, in cifs_readv_receive()
1716 buf + HEADER_SIZE(server) - 1, len); in cifs_readv_receive()
1719 server->total_read += length; in cifs_readv_receive()
1721 if (server->ops->is_session_expired && in cifs_readv_receive()
1722 server->ops->is_session_expired(buf)) { in cifs_readv_receive()
1723 cifs_reconnect(server, true); in cifs_readv_receive()
1727 if (server->ops->is_status_pending && in cifs_readv_receive()
1728 server->ops->is_status_pending(buf, server)) { in cifs_readv_receive()
1729 cifs_discard_remaining_data(server); in cifs_readv_receive()
1735 rdata->iov[0].iov_len = HEADER_PREAMBLE_SIZE(server); in cifs_readv_receive()
1736 rdata->iov[1].iov_base = buf + HEADER_PREAMBLE_SIZE(server); in cifs_readv_receive()
1738 server->total_read - HEADER_PREAMBLE_SIZE(server); in cifs_readv_receive()
1745 rdata->result = server->ops->map_error(buf, false); in cifs_readv_receive()
1750 return __cifs_readv_discard(server, mid, false); in cifs_readv_receive()
1754 if (server->total_read < server->vals->read_rsp_size) { in cifs_readv_receive()
1756 __func__, server->total_read, in cifs_readv_receive()
1757 server->vals->read_rsp_size); in cifs_readv_receive()
1759 return cifs_readv_discard(server, mid); in cifs_readv_receive()
1762 data_offset = server->ops->read_data_offset(buf) + in cifs_readv_receive()
1763 HEADER_PREAMBLE_SIZE(server); in cifs_readv_receive()
1764 if (data_offset < server->total_read) { in cifs_readv_receive()
1772 data_offset = server->total_read; in cifs_readv_receive()
1778 return cifs_readv_discard(server, mid); in cifs_readv_receive()
1782 __func__, server->total_read, data_offset); in cifs_readv_receive()
1784 len = data_offset - server->total_read; in cifs_readv_receive()
1787 length = cifs_read_from_socket(server, in cifs_readv_receive()
1788 buf + server->total_read, len); in cifs_readv_receive()
1791 server->total_read += length; in cifs_readv_receive()
1798 data_len = server->ops->read_data_length(buf, use_rdma_mr); in cifs_readv_receive()
1802 return cifs_readv_discard(server, mid); in cifs_readv_receive()
1810 length = cifs_read_iter_from_socket(server, &rdata->iter, in cifs_readv_receive()
1814 server->total_read += length; in cifs_readv_receive()
1817 server->total_read, buflen, data_len); in cifs_readv_receive()
1820 if (server->total_read < buflen) in cifs_readv_receive()
1821 return cifs_readv_discard(server, mid); in cifs_readv_receive()
1824 mid->resp_buf = server->smallbuf; in cifs_readv_receive()
1825 server->smallbuf = NULL; in cifs_readv_receive()