From: Selvin Xavier <selvin.xavier@broadcom.com>
Date: Mon, 8 Oct 2018 03:27:59 -0700
Subject: RDMA/bnxt_re: Expose rx discards and drop counters
Patch-mainline: v4.20-rc1
Git-commit: 5c80c9138e28f600e185d0f23fca5ea7fe45bd95
References: bsc#1104742 FATE#325917

Expose the RoCE discard and drop counters from the HW statistics context

Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/infiniband/hw/bnxt_re/hw_counters.c |    6 ++++++
 drivers/infiniband/hw/bnxt_re/hw_counters.h |    2 ++
 2 files changed, 8 insertions(+)

--- a/drivers/infiniband/hw/bnxt_re/hw_counters.c
+++ b/drivers/infiniband/hw/bnxt_re/hw_counters.c
@@ -68,6 +68,8 @@ static const char * const bnxt_re_stat_n
 	[BNXT_RE_TX_PKTS]		=  "tx_pkts",
 	[BNXT_RE_TX_BYTES]		=  "tx_bytes",
 	[BNXT_RE_RECOVERABLE_ERRORS]	=  "recoverable_errors",
+	[BNXT_RE_RX_DROPS]		=  "rx_roce_drops",
+	[BNXT_RE_RX_DISCARDS]		=  "rx_roce_discards",
 	[BNXT_RE_TO_RETRANSMITS]        = "to_retransmits",
 	[BNXT_RE_SEQ_ERR_NAKS_RCVD]     = "seq_err_naks_rcvd",
 	[BNXT_RE_MAX_RETRY_EXCEEDED]    = "max_retry_exceeded",
@@ -128,6 +130,10 @@ int bnxt_re_ib_get_hw_stats(struct ib_de
 	if (bnxt_re_stats) {
 		stats->value[BNXT_RE_RECOVERABLE_ERRORS] =
 			le64_to_cpu(bnxt_re_stats->tx_bcast_pkts);
+		stats->value[BNXT_RE_RX_DROPS] =
+			le64_to_cpu(bnxt_re_stats->rx_drop_pkts);
+		stats->value[BNXT_RE_RX_DISCARDS] =
+			le64_to_cpu(bnxt_re_stats->rx_discard_pkts);
 		stats->value[BNXT_RE_RX_PKTS] =
 			le64_to_cpu(bnxt_re_stats->rx_ucast_pkts);
 		stats->value[BNXT_RE_RX_BYTES] =
--- a/drivers/infiniband/hw/bnxt_re/hw_counters.h
+++ b/drivers/infiniband/hw/bnxt_re/hw_counters.h
@@ -51,6 +51,8 @@ enum bnxt_re_hw_stats {
 	BNXT_RE_TX_PKTS,
 	BNXT_RE_TX_BYTES,
 	BNXT_RE_RECOVERABLE_ERRORS,
+	BNXT_RE_RX_DROPS,
+	BNXT_RE_RX_DISCARDS,
 	BNXT_RE_TO_RETRANSMITS,
 	BNXT_RE_SEQ_ERR_NAKS_RCVD,
 	BNXT_RE_MAX_RETRY_EXCEEDED,