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/*
* Copyright (c) 2017 Mellanox Technologies Ltd. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#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);
}
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