diff options
Diffstat (limited to 'drivers/infiniband/sw/rxe/rxe_hw_counters.c')
| -rw-r--r-- | drivers/infiniband/sw/rxe/rxe_hw_counters.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_hw_counters.c b/drivers/infiniband/sw/rxe/rxe_hw_counters.c new file mode 100644 index 000000000..ac9154f05 --- /dev/null +++ b/drivers/infiniband/sw/rxe/rxe_hw_counters.c @@ -0,0 +1,54 @@ +// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB +/* + * Copyright (c) 2017 Mellanox Technologies Ltd. All rights reserved. + */ + +#include "rxe.h" +#include "rxe_hw_counters.h" + +static const char * const rxe_counter_name[] = { + [RXE_CNT_SENT_PKTS] = "sent_pkts", + [RXE_CNT_RCVD_PKTS] = "rcvd_pkts", + [RXE_CNT_DUP_REQ] = "duplicate_request", + [RXE_CNT_OUT_OF_SEQ_REQ] = "out_of_seq_request", + [RXE_CNT_RCV_RNR] = "rcvd_rnr_err", + [RXE_CNT_SND_RNR] = "send_rnr_err", + [RXE_CNT_RCV_SEQ_ERR] = "rcvd_seq_err", + [RXE_CNT_COMPLETER_SCHED] = "ack_deferred", + [RXE_CNT_RETRY_EXCEEDED] = "retry_exceeded_err", + [RXE_CNT_RNR_RETRY_EXCEEDED] = "retry_rnr_exceeded_err", + [RXE_CNT_COMP_RETRY] = "completer_retry_err", + [RXE_CNT_SEND_ERR] = "send_err", + [RXE_CNT_LINK_DOWNED] = "link_downed", + [RXE_CNT_RDMA_SEND] = "rdma_sends", + [RXE_CNT_RDMA_RECV] = "rdma_recvs", +}; + +int rxe_ib_get_hw_stats(struct ib_device *ibdev, + struct rdma_hw_stats *stats, + u8 port, int index) +{ + struct rxe_dev *dev = to_rdev(ibdev); + unsigned int cnt; + + if (!port || !stats) + return -EINVAL; + + for (cnt = 0; cnt < ARRAY_SIZE(rxe_counter_name); cnt++) + stats->value[cnt] = atomic64_read(&dev->stats_counters[cnt]); + + return ARRAY_SIZE(rxe_counter_name); +} + +struct rdma_hw_stats *rxe_ib_alloc_hw_stats(struct ib_device *ibdev, + u8 port_num) +{ + BUILD_BUG_ON(ARRAY_SIZE(rxe_counter_name) != RXE_NUM_OF_COUNTERS); + /* We support only per port stats */ + if (!port_num) + return NULL; + + return rdma_alloc_hw_stats_struct(rxe_counter_name, + ARRAY_SIZE(rxe_counter_name), + RDMA_HW_STATS_DEFAULT_LIFESPAN); +} |