| Yonatan Cohen | 0b1e5b9 | 2017-03-10 18:23:56 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2017 Mellanox Technologies Ltd. All rights reserved. |
| 3 | * |
| 4 | * This software is available to you under a choice of one of two |
| 5 | * licenses. You may choose to be licensed under the terms of the GNU |
| 6 | * General Public License (GPL) Version 2, available from the file |
| 7 | * COPYING in the main directory of this source tree, or the |
| 8 | * OpenIB.org BSD license below: |
| 9 | * |
| 10 | * Redistribution and use in source and binary forms, with or |
| 11 | * without modification, are permitted provided that the following |
| 12 | * conditions are met: |
| 13 | * |
| 14 | * - Redistributions of source code must retain the above |
| 15 | * copyright notice, this list of conditions and the following |
| 16 | * disclaimer. |
| 17 | * |
| 18 | * - Redistributions in binary form must reproduce the above |
| 19 | * copyright notice, this list of conditions and the following |
| 20 | * disclaimer in the documentation and/or other materials |
| 21 | * provided with the distribution. |
| 22 | * |
| 23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 24 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 25 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 26 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| 27 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| 28 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 29 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 30 | * SOFTWARE. |
| 31 | */ |
| 32 | |
| 33 | #include "rxe.h" |
| 34 | #include "rxe_hw_counters.h" |
| 35 | |
| Kamal Heib | fab773c | 2017-08-17 15:50:52 +0300 | [diff] [blame] | 36 | static const char * const rxe_counter_name[] = { |
| Yonatan Cohen | 0b1e5b9 | 2017-03-10 18:23:56 +0200 | [diff] [blame] | 37 | [RXE_CNT_SENT_PKTS] = "sent_pkts", |
| 38 | [RXE_CNT_RCVD_PKTS] = "rcvd_pkts", |
| 39 | [RXE_CNT_DUP_REQ] = "duplicate_request", |
| 40 | [RXE_CNT_OUT_OF_SEQ_REQ] = "out_of_sequence", |
| 41 | [RXE_CNT_RCV_RNR] = "rcvd_rnr_err", |
| 42 | [RXE_CNT_SND_RNR] = "send_rnr_err", |
| 43 | [RXE_CNT_RCV_SEQ_ERR] = "rcvd_seq_err", |
| 44 | [RXE_CNT_COMPLETER_SCHED] = "ack_deffered", |
| 45 | [RXE_CNT_RETRY_EXCEEDED] = "retry_exceeded_err", |
| 46 | [RXE_CNT_RNR_RETRY_EXCEEDED] = "retry_rnr_exceeded_err", |
| 47 | [RXE_CNT_COMP_RETRY] = "completer_retry_err", |
| 48 | [RXE_CNT_SEND_ERR] = "send_err", |
| 49 | }; |
| 50 | |
| 51 | int rxe_ib_get_hw_stats(struct ib_device *ibdev, |
| 52 | struct rdma_hw_stats *stats, |
| 53 | u8 port, int index) |
| 54 | { |
| 55 | struct rxe_dev *dev = to_rdev(ibdev); |
| 56 | unsigned int cnt; |
| 57 | |
| 58 | if (!port || !stats) |
| 59 | return -EINVAL; |
| 60 | |
| 61 | for (cnt = 0; cnt < ARRAY_SIZE(rxe_counter_name); cnt++) |
| 62 | stats->value[cnt] = dev->stats_counters[cnt]; |
| 63 | |
| 64 | return ARRAY_SIZE(rxe_counter_name); |
| 65 | } |
| 66 | |
| 67 | struct rdma_hw_stats *rxe_ib_alloc_hw_stats(struct ib_device *ibdev, |
| 68 | u8 port_num) |
| 69 | { |
| 70 | BUILD_BUG_ON(ARRAY_SIZE(rxe_counter_name) != RXE_NUM_OF_COUNTERS); |
| 71 | /* We support only per port stats */ |
| 72 | if (!port_num) |
| 73 | return NULL; |
| 74 | |
| 75 | return rdma_alloc_hw_stats_struct(rxe_counter_name, |
| 76 | ARRAY_SIZE(rxe_counter_name), |
| 77 | RDMA_HW_STATS_DEFAULT_LIFESPAN); |
| 78 | } |