diff options
Diffstat (limited to 'drivers/infiniband/hw/erdma/erdma_verbs.c')
-rw-r--r-- | drivers/infiniband/hw/erdma/erdma_verbs.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/erdma/erdma_verbs.c b/drivers/infiniband/hw/erdma/erdma_verbs.c index c317947563..23dfc01603 100644 --- a/drivers/infiniband/hw/erdma/erdma_verbs.c +++ b/drivers/infiniband/hw/erdma/erdma_verbs.c @@ -1708,3 +1708,93 @@ void erdma_port_event(struct erdma_dev *dev, enum ib_event_type reason) ib_dispatch_event(&event); } + +enum counters { + ERDMA_STATS_TX_REQS_CNT, + ERDMA_STATS_TX_PACKETS_CNT, + ERDMA_STATS_TX_BYTES_CNT, + ERDMA_STATS_TX_DISABLE_DROP_CNT, + ERDMA_STATS_TX_BPS_METER_DROP_CNT, + ERDMA_STATS_TX_PPS_METER_DROP_CNT, + + ERDMA_STATS_RX_PACKETS_CNT, + ERDMA_STATS_RX_BYTES_CNT, + ERDMA_STATS_RX_DISABLE_DROP_CNT, + ERDMA_STATS_RX_BPS_METER_DROP_CNT, + ERDMA_STATS_RX_PPS_METER_DROP_CNT, + + ERDMA_STATS_MAX +}; + +static const struct rdma_stat_desc erdma_descs[] = { + [ERDMA_STATS_TX_REQS_CNT].name = "tx_reqs_cnt", + [ERDMA_STATS_TX_PACKETS_CNT].name = "tx_packets_cnt", + [ERDMA_STATS_TX_BYTES_CNT].name = "tx_bytes_cnt", + [ERDMA_STATS_TX_DISABLE_DROP_CNT].name = "tx_disable_drop_cnt", + [ERDMA_STATS_TX_BPS_METER_DROP_CNT].name = "tx_bps_limit_drop_cnt", + [ERDMA_STATS_TX_PPS_METER_DROP_CNT].name = "tx_pps_limit_drop_cnt", + [ERDMA_STATS_RX_PACKETS_CNT].name = "rx_packets_cnt", + [ERDMA_STATS_RX_BYTES_CNT].name = "rx_bytes_cnt", + [ERDMA_STATS_RX_DISABLE_DROP_CNT].name = "rx_disable_drop_cnt", + [ERDMA_STATS_RX_BPS_METER_DROP_CNT].name = "rx_bps_limit_drop_cnt", + [ERDMA_STATS_RX_PPS_METER_DROP_CNT].name = "rx_pps_limit_drop_cnt", +}; + +struct rdma_hw_stats *erdma_alloc_hw_port_stats(struct ib_device *device, + u32 port_num) +{ + return rdma_alloc_hw_stats_struct(erdma_descs, ERDMA_STATS_MAX, + RDMA_HW_STATS_DEFAULT_LIFESPAN); +} + +static int erdma_query_hw_stats(struct erdma_dev *dev, + struct rdma_hw_stats *stats) +{ + struct erdma_cmdq_query_stats_resp *resp; + struct erdma_cmdq_query_req req; + dma_addr_t dma_addr; + int err; + + erdma_cmdq_build_reqhdr(&req.hdr, CMDQ_SUBMOD_COMMON, + CMDQ_OPCODE_GET_STATS); + + resp = dma_pool_zalloc(dev->resp_pool, GFP_KERNEL, &dma_addr); + if (!resp) + return -ENOMEM; + + req.target_addr = dma_addr; + req.target_length = ERDMA_HW_RESP_SIZE; + + err = erdma_post_cmd_wait(&dev->cmdq, &req, sizeof(req), NULL, NULL); + if (err) + goto out; + + if (resp->hdr.magic != ERDMA_HW_RESP_MAGIC) { + err = -EINVAL; + goto out; + } + + memcpy(&stats->value[0], &resp->tx_req_cnt, + sizeof(u64) * stats->num_counters); + +out: + dma_pool_free(dev->resp_pool, resp, dma_addr); + + return err; +} + +int erdma_get_hw_stats(struct ib_device *ibdev, struct rdma_hw_stats *stats, + u32 port, int index) +{ + struct erdma_dev *dev = to_edev(ibdev); + int ret; + + if (port == 0) + return 0; + + ret = erdma_query_hw_stats(dev, stats); + if (ret) + return ret; + + return stats->num_counters; +} |