netdev - [PATCH next 2/3] be2net: Display RoCE specific counters in ethtool -S

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Message-ID: <20131003211650.GA3460@emulex.com>
Date:	Thu, 3 Oct 2013 16:16:50 -0500
From:	Ajit Khaparde <ajit.khaparde@...lex.com>
To:	<netdev@...r.kernel.org>
Subject: [PATCH next 2/3] be2net: Display RoCE specific counters in ethtool -S

SkyHawk-R can support RoCE. Add code to display RoCE specific
counters maintained in hardware.

Signed-off-by: Ajit Khaparde <ajit.khaparde@...lex.com>
---
 drivers/net/ethernet/emulex/benet/be.h         | 5 +++++
 drivers/net/ethernet/emulex/benet/be_ethtool.c | 7 ++++++-
 drivers/net/ethernet/emulex/benet/be_main.c    | 8 ++++++++
 3 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h
index add6d7a..944e6be 100644
--- a/drivers/net/ethernet/emulex/benet/be.h
+++ b/drivers/net/ethernet/emulex/benet/be.h
@@ -325,6 +325,11 @@ struct be_drv_stats {
 	u32 rx_input_fifo_overflow_drop;
 	u32 pmem_fifo_overflow_drop;
 	u32 jabber_events;
+	u32 rx_roce_bytes_lsd;
+	u32 rx_roce_bytes_msd;
+	u32 rx_roce_frames;
+	u32 roce_drops_payload_len;
+	u32 roce_drops_crc;
 };
 
 struct be_vf_cfg {
diff --git a/drivers/net/ethernet/emulex/benet/be_ethtool.c b/drivers/net/ethernet/emulex/benet/be_ethtool.c
index 3dcf817..0833003 100644
--- a/drivers/net/ethernet/emulex/benet/be_ethtool.c
+++ b/drivers/net/ethernet/emulex/benet/be_ethtool.c
@@ -116,7 +116,12 @@ static const struct be_ethtool_stat et_stats[] = {
 	{DRVSTAT_INFO(rx_drops_mtu)},
 	/* Number of packets dropped due to random early drop function */
 	{DRVSTAT_INFO(eth_red_drops)},
-	{DRVSTAT_INFO(be_on_die_temperature)}
+	{DRVSTAT_INFO(be_on_die_temperature)},
+	{DRVSTAT_INFO(rx_roce_bytes_lsd)},
+	{DRVSTAT_INFO(rx_roce_bytes_msd)},
+	{DRVSTAT_INFO(rx_roce_frames)},
+	{DRVSTAT_INFO(roce_drops_payload_len)},
+	{DRVSTAT_INFO(roce_drops_crc)}
 };
 #define ETHTOOL_STATS_NUM ARRAY_SIZE(et_stats)
 
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index 6e3a141..2d6115c 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -474,6 +474,14 @@ static void populate_be_v2_stats(struct be_adapter *adapter)
 	drvs->rx_drops_no_tpre_descr = rxf_stats->rx_drops_no_tpre_descr;
 	drvs->rx_drops_too_many_frags = rxf_stats->rx_drops_too_many_frags;
 	adapter->drv_stats.eth_red_drops = pmem_sts->eth_red_drops;
+	if (be_roce_supported(adapter))  {
+		drvs->rx_roce_bytes_lsd = port_stats->roce_bytes_received_lsd;
+		drvs->rx_roce_bytes_msd = port_stats->roce_bytes_received_msd;
+		drvs->rx_roce_frames = port_stats->roce_frames_received;
+		drvs->roce_drops_crc = port_stats->roce_drops_crc;
+		drvs->roce_drops_payload_len =
+			port_stats->roce_drops_payload_len;
+	}
 }
 
 static void populate_lancer_stats(struct be_adapter *adapter)
-- 
1.8.1.2

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