diff mbox series

[net-next,1/5] net: lan743x: Add support to display Tx Queue statistics

Message ID 20220315061701.3006-2-Raju.Lakkaraju@microchip.com (mailing list archive)
State Changes Requested
Delegated to: Netdev Maintainers
Headers show
Series net: lan743x: PCI11010 / PCI11414 devices Enhancements | expand

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Context Check Description
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
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netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/cc_maintainers warning 1 maintainers not CCed: bryan.whitehead@microchip.com
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 88 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Raju Lakkaraju - I30499 March 15, 2022, 6:16 a.m. UTC 
Tx 4 queue statistics display through ethtool application

Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@microchip.com>
---
 .../net/ethernet/microchip/lan743x_ethtool.c  | 31 +++++++++++++++++++
 drivers/net/ethernet/microchip/lan743x_main.c |  1 +
 drivers/net/ethernet/microchip/lan743x_main.h |  1 +
 3 files changed, 33 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/microchip/lan743x_ethtool.c b/drivers/net/ethernet/microchip/lan743x_ethtool.c
index 5f1e7b8bad4f..d13d284cdaea 100644
--- a/drivers/net/ethernet/microchip/lan743x_ethtool.c
+++ b/drivers/net/ethernet/microchip/lan743x_ethtool.c
@@ -365,6 +365,14 @@  static const char lan743x_set1_sw_cnt_strings[][ETH_GSTRING_LEN] = {
 	"RX Queue 3 Frames",
 };
 
+static const char lan743x_tx_queue_cnt_strings[][ETH_GSTRING_LEN] = {
+	"TX Queue 0 Frames",
+	"TX Queue 1 Frames",
+	"TX Queue 2 Frames",
+	"TX Queue 3 Frames",
+	"TX Total Queue Frames",
+};
+
 static const char lan743x_set2_hw_cnt_strings[][ETH_GSTRING_LEN] = {
 	"RX Total Frames",
 	"EEE RX LPI Transitions",
@@ -462,6 +470,8 @@  static const char lan743x_priv_flags_strings[][ETH_GSTRING_LEN] = {
 static void lan743x_ethtool_get_strings(struct net_device *netdev,
 					u32 stringset, u8 *data)
 {
+	struct lan743x_adapter *adapter = netdev_priv(netdev);
+
 	switch (stringset) {
 	case ETH_SS_STATS:
 		memcpy(data, lan743x_set0_hw_cnt_strings,
@@ -473,6 +483,13 @@  static void lan743x_ethtool_get_strings(struct net_device *netdev,
 		       sizeof(lan743x_set1_sw_cnt_strings)],
 		       lan743x_set2_hw_cnt_strings,
 		       sizeof(lan743x_set2_hw_cnt_strings));
+		if (adapter->is_pci11x1x) {
+			memcpy(&data[sizeof(lan743x_set0_hw_cnt_strings) +
+			       sizeof(lan743x_set1_sw_cnt_strings) +
+			       sizeof(lan743x_set2_hw_cnt_strings)],
+			       lan743x_tx_queue_cnt_strings,
+			       sizeof(lan743x_tx_queue_cnt_strings));
+		}
 		break;
 	case ETH_SS_PRIV_FLAGS:
 		memcpy(data, lan743x_priv_flags_strings,
@@ -486,7 +503,9 @@  static void lan743x_ethtool_get_ethtool_stats(struct net_device *netdev,
 					      u64 *data)
 {
 	struct lan743x_adapter *adapter = netdev_priv(netdev);
+	u64 total_queue_count = 0;
 	int data_index = 0;
+	u64 pkt_cnt;
 	u32 buf;
 	int i;
 
@@ -500,6 +519,14 @@  static void lan743x_ethtool_get_ethtool_stats(struct net_device *netdev,
 		buf = lan743x_csr_read(adapter, lan743x_set2_hw_cnt_addr[i]);
 		data[data_index++] = (u64)buf;
 	}
+	if (adapter->is_pci11x1x) {
+		for (i = 0; i < ARRAY_SIZE(adapter->tx); i++) {
+			pkt_cnt = (u64)(adapter->tx[i].frame_count);
+			data[data_index++] = pkt_cnt;
+			total_queue_count += pkt_cnt;
+		}
+		data[data_index++] = total_queue_count;
+	}
 }
 
 static u32 lan743x_ethtool_get_priv_flags(struct net_device *netdev)
@@ -520,6 +547,8 @@  static int lan743x_ethtool_set_priv_flags(struct net_device *netdev, u32 flags)
 
 static int lan743x_ethtool_get_sset_count(struct net_device *netdev, int sset)
 {
+	struct lan743x_adapter *adapter = netdev_priv(netdev);
+
 	switch (sset) {
 	case ETH_SS_STATS:
 	{
@@ -528,6 +557,8 @@  static int lan743x_ethtool_get_sset_count(struct net_device *netdev, int sset)
 		ret = ARRAY_SIZE(lan743x_set0_hw_cnt_strings);
 		ret += ARRAY_SIZE(lan743x_set1_sw_cnt_strings);
 		ret += ARRAY_SIZE(lan743x_set2_hw_cnt_strings);
+		if (adapter->is_pci11x1x)
+			ret += ARRAY_SIZE(lan743x_tx_queue_cnt_strings);
 		return ret;
 	}
 	case ETH_SS_PRIV_FLAGS:
diff --git a/drivers/net/ethernet/microchip/lan743x_main.c b/drivers/net/ethernet/microchip/lan743x_main.c
index 5282d25a6f9b..7ace3ed35778 100644
--- a/drivers/net/ethernet/microchip/lan743x_main.c
+++ b/drivers/net/ethernet/microchip/lan743x_main.c
@@ -1776,6 +1776,7 @@  static netdev_tx_t lan743x_tx_xmit_frame(struct lan743x_tx *tx,
 		dev_kfree_skb_irq(skb);
 		goto unlock;
 	}
+	tx->frame_count++;
 
 	if (gso)
 		lan743x_tx_frame_add_lso(tx, frame_length, nr_frags);
diff --git a/drivers/net/ethernet/microchip/lan743x_main.h b/drivers/net/ethernet/microchip/lan743x_main.h
index 2c8e76b4e1f7..bca9f105900c 100644
--- a/drivers/net/ethernet/microchip/lan743x_main.h
+++ b/drivers/net/ethernet/microchip/lan743x_main.h
@@ -715,6 +715,7 @@  struct lan743x_tx {
 	int		last_tail;
 
 	struct napi_struct napi;
+	u32 frame_count;
 
 	struct sk_buff *overflow_skb;
 };