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RDMA/counter: Add a descriptor in struct rdma_hw_stats

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Add a counter statistic descriptor structure in rdma_hw_stats. In addition
to the counter name, more meta-information will be added.  This code
extension is needed for optional-counter support in the following patches.

Link: https://lore.kernel.org/r/20211008122439.166063-4-markzhang@nvidia.com
Signed-off-by: Aharon Landau <aharonl@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Mark Zhang <markzhang@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Aharon Landau
2021-10-08 15:24:29 +03:00
committed by Jason Gunthorpe
parent 3eea40d474
commit 13f30b0fa0
13 changed files with 252 additions and 245 deletions
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42
drivers/infiniband/sw/rxe/rxe_hw_counters.c
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@@ -6,22 +6,22 @@
#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",
static const struct rdma_stat_desc rxe_counter_descs[] = {
[RXE_CNT_SENT_PKTS].name = "sent_pkts",
[RXE_CNT_RCVD_PKTS].name = "rcvd_pkts",
[RXE_CNT_DUP_REQ].name = "duplicate_request",
[RXE_CNT_OUT_OF_SEQ_REQ].name = "out_of_seq_request",
[RXE_CNT_RCV_RNR].name = "rcvd_rnr_err",
[RXE_CNT_SND_RNR].name = "send_rnr_err",
[RXE_CNT_RCV_SEQ_ERR].name = "rcvd_seq_err",
[RXE_CNT_COMPLETER_SCHED].name = "ack_deferred",
[RXE_CNT_RETRY_EXCEEDED].name = "retry_exceeded_err",
[RXE_CNT_RNR_RETRY_EXCEEDED].name = "retry_rnr_exceeded_err",
[RXE_CNT_COMP_RETRY].name = "completer_retry_err",
[RXE_CNT_SEND_ERR].name = "send_err",
[RXE_CNT_LINK_DOWNED].name = "link_downed",
[RXE_CNT_RDMA_SEND].name = "rdma_sends",
[RXE_CNT_RDMA_RECV].name = "rdma_recvs",
};
int rxe_ib_get_hw_stats(struct ib_device *ibdev,
@@ -34,18 +34,18 @@ int rxe_ib_get_hw_stats(struct ib_device *ibdev,
if (!port || !stats)
return -EINVAL;
for (cnt = 0; cnt < ARRAY_SIZE(rxe_counter_name); cnt++)
for (cnt = 0; cnt < ARRAY_SIZE(rxe_counter_descs); cnt++)
stats->value[cnt] = atomic64_read(&dev->stats_counters[cnt]);
return ARRAY_SIZE(rxe_counter_name);
return ARRAY_SIZE(rxe_counter_descs);
}
struct rdma_hw_stats *rxe_ib_alloc_hw_port_stats(struct ib_device *ibdev,
u32 port_num)
{
BUILD_BUG_ON(ARRAY_SIZE(rxe_counter_name) != RXE_NUM_OF_COUNTERS);
BUILD_BUG_ON(ARRAY_SIZE(rxe_counter_descs) != RXE_NUM_OF_COUNTERS);
return rdma_alloc_hw_stats_struct(rxe_counter_name,
ARRAY_SIZE(rxe_counter_name),
return rdma_alloc_hw_stats_struct(rxe_counter_descs,
ARRAY_SIZE(rxe_counter_descs),
RDMA_HW_STATS_DEFAULT_LIFESPAN);
}