netdev - [PATCH 5/5] alx: add stats to ethtool

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Date:	Thu,  2 Jan 2014 00:40:28 +0100
From:	Sabrina Dubroca <sd@...asysnail.net>
To:	davem@...emloft.net
Cc:	johannes@...solutions.net, netdev@...r.kernel.org,
	Sabrina Dubroca <sd@...asysnail.net>
Subject: [PATCH 5/5] alx: add stats to ethtool

Signed-off-by: Sabrina Dubroca <sd@...asysnail.net>
---
 drivers/net/ethernet/atheros/alx/ethtool.c | 95 ++++++++++++++++++++++++++++++
 1 file changed, 95 insertions(+)

diff --git a/drivers/net/ethernet/atheros/alx/ethtool.c b/drivers/net/ethernet/atheros/alx/ethtool.c
index 45b3650..259056f 100644
--- a/drivers/net/ethernet/atheros/alx/ethtool.c
+++ b/drivers/net/ethernet/atheros/alx/ethtool.c
@@ -46,6 +46,62 @@
 #include "reg.h"
 #include "hw.h"
 
+static const char alx_gstrings_stats[][ETH_GSTRING_LEN] = {
+	"rx_packets",
+	"rx_bcast_packets",
+	"rx_mcast_packets",
+	"rx_pause_packets",
+	"rx_ctrl_packets",
+	"rx_fcs_errors",
+	"rx_length_errors",
+	"rx_bytes",
+	"rx_runt_packets",
+	"rx_fragments",
+	"rx_64B_or_less_packets",
+	"rx_65B_to_127B_packets",
+	"rx_128B_to_255B_packets",
+	"rx_256B_to_511B_packets",
+	"rx_512B_to_1023B_packets",
+	"rx_1024B_to_1518B_packets",
+	"rx_1519B_to_mtu_packets",
+	"rx_oversize_packets",
+	"rx_rxf_ov_drop_packets",
+	"rx_rrd_ov_drop_packets",
+	"rx_align_errors",
+	"rx_bcast_bytes",
+	"rx_mcast_bytes",
+	"rx_address_errors",
+	"tx_packets",
+	"tx_bcast_packets",
+	"tx_mcast_packets",
+	"tx_pause_packets",
+	"tx_exc_defer_packets",
+	"tx_ctrl_packets",
+	"tx_defer_packets",
+	"tx_bytes",
+	"tx_64B_or_less_packets",
+	"tx_65B_to_127B_packets",
+	"tx_128B_to_255B_packets",
+	"tx_256B_to_511B_packets",
+	"tx_512B_to_1023B_packets",
+	"tx_1024B_to_1518B_packets",
+	"tx_1519B_to_mtu_packets",
+	"tx_single_collision",
+	"tx_multiple_collisions",
+	"tx_late_collision",
+	"tx_abort_collision",
+	"tx_underrun",
+	"tx_trd_eop",
+	"tx_length_errors",
+	"tx_trunc_packets",
+	"tx_bcast_bytes",
+	"tx_mcast_bytes",
+	"tx_update",
+};
+
+#define ALX_NUM_STATS ARRAY_SIZE(alx_gstrings_stats)
+
+
 static u32 alx_get_supported_speeds(struct alx_hw *hw)
 {
 	u32 supported = SUPPORTED_10baseT_Half |
@@ -201,6 +257,42 @@ static void alx_set_msglevel(struct net_device *netdev, u32 data)
 	alx->msg_enable = data;
 }
 
+static void alx_get_ethtool_stats(struct net_device *netdev,
+				  struct ethtool_stats *estats, u64 *data)
+{
+	struct alx_priv *alx = netdev_priv(netdev);
+	struct alx_hw *hw = &alx->hw;
+
+	spin_lock(&alx->stats_lock);
+
+	__alx_update_hw_stats(hw);
+	memcpy(data, &hw->stats, sizeof(hw->stats));
+
+	spin_unlock(&alx->stats_lock);
+}
+
+static void alx_get_strings(struct net_device *netdev, u32 stringset, u8 *buf)
+{
+	switch (stringset) {
+	case ETH_SS_STATS:
+		memcpy(buf, &alx_gstrings_stats, sizeof(alx_gstrings_stats));
+		break;
+	default:
+		WARN_ON(1);
+		break;
+	}
+}
+
+static int alx_get_sset_count(struct net_device *netdev, int sset)
+{
+	switch (sset) {
+	case ETH_SS_STATS:
+		return ALX_NUM_STATS;
+	default:
+		return -ENOTSUPP;
+	}
+}
+
 const struct ethtool_ops alx_ethtool_ops = {
 	.get_settings	= alx_get_settings,
 	.set_settings	= alx_set_settings,
@@ -209,4 +301,7 @@ const struct ethtool_ops alx_ethtool_ops = {
 	.get_msglevel	= alx_get_msglevel,
 	.set_msglevel	= alx_set_msglevel,
 	.get_link	= ethtool_op_get_link,
+	.get_strings	= alx_get_strings,
+	.get_sset_count	= alx_get_sset_count,
+	.get_ethtool_stats	= alx_get_ethtool_stats,
 };
-- 
1.8.5.2

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