1 files changed, 51 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..a012522b5
--- /dev/null
+++ b/drivers/infiniband/sw/rxe/rxe_hw_counters.c
@@ -0,0 +1,51 @@
+// 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 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,
+			struct rdma_hw_stats *stats,
+			u32 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_descs); cnt++)
+		stats->value[cnt] = atomic64_read(&dev->stats_counters[cnt]);
+
+	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_descs) != RXE_NUM_OF_COUNTERS);
+
+	return rdma_alloc_hw_stats_struct(rxe_counter_descs,
+					  ARRAY_SIZE(rxe_counter_descs),
+					  RDMA_HW_STATS_DEFAULT_LIFESPAN);
+}