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* [PATCH net-next 0/2] net: stmmac: EST interrupts and ethtool
@ 2021-03-18  0:50 mohammad.athari.ismail
  2021-03-18  0:50 ` [PATCH net-next v2 1/2] net: stmmac: EST interrupts handling and error reporting mohammad.athari.ismail
                   ` (2 more replies)
  0 siblings, 3 replies; 4+ messages in thread
From: mohammad.athari.ismail @ 2021-03-18  0:50 UTC (permalink / raw)
  To: Giuseppe Cavallaro, Alexandre Torgue, Jose Abreu,
	David S . Miller, Jakub Kicinski, Maxime Coquelin
  Cc: Ong Boon Leong, Voon Weifeng, vee.khee.wong, netdev, linux-stm32,
	linux-arm-kernel, linux-kernel, mohammad.athari.ismail

From: Mohammad Athari Bin Ismail <mohammad.athari.ismail@intel.com>

This patchset adds support for handling EST interrupts and reporting EST
errors. Additionally, the errors are added into ethtool statistic.

Ong Boon Leong (1):
  net: stmmac: Add EST errors into ethtool statistic

Voon Weifeng (1):
  net: stmmac: EST interrupts handling and error reporting

 drivers/net/ethernet/stmicro/stmmac/common.h  |  6 ++
 drivers/net/ethernet/stmicro/stmmac/dwmac5.c  | 86 +++++++++++++++++++
 drivers/net/ethernet/stmicro/stmmac/dwmac5.h  | 32 +++++++
 drivers/net/ethernet/stmicro/stmmac/hwif.h    |  4 +
 .../ethernet/stmicro/stmmac/stmmac_ethtool.c  |  6 ++
 .../net/ethernet/stmicro/stmmac/stmmac_main.c |  4 +
 6 files changed, 138 insertions(+)

-- 
2.17.1


^ permalink raw reply	[flat|nested] 4+ messages in thread

* [PATCH net-next v2 1/2] net: stmmac: EST interrupts handling and error reporting
  2021-03-18  0:50 [PATCH net-next 0/2] net: stmmac: EST interrupts and ethtool mohammad.athari.ismail
@ 2021-03-18  0:50 ` mohammad.athari.ismail
  2021-03-18  0:50 ` [PATCH net-next 2/2] net: stmmac: Add EST errors into ethtool statistic mohammad.athari.ismail
  2021-03-18 21:40 ` [PATCH net-next 0/2] net: stmmac: EST interrupts and ethtool patchwork-bot+netdevbpf
  2 siblings, 0 replies; 4+ messages in thread
From: mohammad.athari.ismail @ 2021-03-18  0:50 UTC (permalink / raw)
  To: Giuseppe Cavallaro, Alexandre Torgue, Jose Abreu,
	David S . Miller, Jakub Kicinski, Maxime Coquelin
  Cc: Ong Boon Leong, Voon Weifeng, vee.khee.wong, netdev, linux-stm32,
	linux-arm-kernel, linux-kernel, mohammad.athari.ismail

From: Voon Weifeng <weifeng.voon@intel.com>

Enabled EST related interrupts as below:
1) Constant Gate Control Error (CGCE)
2) Head-of-Line Blocking due to Scheduling (HLBS)
3) Head-of-Line Blocking due to Frame Size (HLBF).
4) Base Time Register error (BTRE)
5) Switch to S/W owned list Complete (SWLC)

For HLBS, the user will get the info of all the queues that shows this
error. For HLBF, the user will get the info of all the queue with the
latest frame size which causes the error. Frame size 0 indicates no
error.

The ISR handling takes place when EST feature is enabled by user.

Signed-off-by: Voon Weifeng <weifeng.voon@intel.com>
Signed-off-by: Ong Boon Leong <boon.leong.ong@intel.com>
Co-developed-by: Mohammad Athari Bin Ismail <mohammad.athari.ismail@intel.com>
Signed-off-by: Mohammad Athari Bin Ismail <mohammad.athari.ismail@intel.com>
---
v2 changelog:
- Changed dwmac5_est_irq_status() function declaration to void.
- Changed queue value display for HLB(sched) error to hex.

---
 drivers/net/ethernet/stmicro/stmmac/dwmac5.c  | 75 +++++++++++++++++++
 drivers/net/ethernet/stmicro/stmmac/dwmac5.h  | 32 ++++++++
 drivers/net/ethernet/stmicro/stmmac/hwif.h    |  4 +
 .../net/ethernet/stmicro/stmmac/stmmac_main.c |  3 +
 4 files changed, 114 insertions(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac5.c b/drivers/net/ethernet/stmicro/stmmac/dwmac5.c
index 8f7ac24545ef..809015f59ee2 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac5.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac5.c
@@ -595,9 +595,84 @@ int dwmac5_est_configure(void __iomem *ioaddr, struct stmmac_est *cfg,
 		ctrl &= ~EEST;
 
 	writel(ctrl, ioaddr + MTL_EST_CONTROL);
+
+	/* Configure EST interrupt */
+	if (cfg->enable)
+		ctrl = (IECGCE | IEHS | IEHF | IEBE | IECC);
+	else
+		ctrl = 0;
+
+	writel(ctrl, ioaddr + MTL_EST_INT_EN);
+
 	return 0;
 }
 
+void dwmac5_est_irq_status(void __iomem *ioaddr, struct net_device *dev,
+			  u32 txqcnt)
+{
+	u32 status, value, feqn, hbfq, hbfs, btrl;
+	u32 txqcnt_mask = (1 << txqcnt) - 1;
+
+	status = readl(ioaddr + MTL_EST_STATUS);
+
+	value = (CGCE | HLBS | HLBF | BTRE | SWLC);
+
+	/* Return if there is no error */
+	if (!(status & value))
+		return;
+
+	if (status & CGCE) {
+		/* Clear Interrupt */
+		writel(CGCE, ioaddr + MTL_EST_STATUS);
+	}
+
+	if (status & HLBS) {
+		value = readl(ioaddr + MTL_EST_SCH_ERR);
+		value &= txqcnt_mask;
+
+		/* Clear Interrupt */
+		writel(value, ioaddr + MTL_EST_SCH_ERR);
+
+		/* Collecting info to shows all the queues that has HLBS
+		 * issue. The only way to clear this is to clear the
+		 * statistic
+		 */
+		if (net_ratelimit())
+			netdev_err(dev, "EST: HLB(sched) Queue 0x%x\n", value);
+	}
+
+	if (status & HLBF) {
+		value = readl(ioaddr + MTL_EST_FRM_SZ_ERR);
+		feqn = value & txqcnt_mask;
+
+		value = readl(ioaddr + MTL_EST_FRM_SZ_CAP);
+		hbfq = (value & SZ_CAP_HBFQ_MASK(txqcnt)) >> SZ_CAP_HBFQ_SHIFT;
+		hbfs = value & SZ_CAP_HBFS_MASK;
+
+		/* Clear Interrupt */
+		writel(feqn, ioaddr + MTL_EST_FRM_SZ_ERR);
+
+		if (net_ratelimit())
+			netdev_err(dev, "EST: HLB(size) Queue %u Size %u\n",
+				   hbfq, hbfs);
+	}
+
+	if (status & BTRE) {
+		btrl = (status & BTRL) >> BTRL_SHIFT;
+
+		if (net_ratelimit())
+			netdev_info(dev, "EST: BTR Error Loop Count %u\n",
+				    btrl);
+
+		writel(BTRE, ioaddr + MTL_EST_STATUS);
+	}
+
+	if (status & SWLC) {
+		writel(SWLC, ioaddr + MTL_EST_STATUS);
+		netdev_info(dev, "EST: SWOL has been switched\n");
+	}
+}
+
 void dwmac5_fpe_configure(void __iomem *ioaddr, u32 num_txq, u32 num_rxq,
 			  bool enable)
 {
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac5.h b/drivers/net/ethernet/stmicro/stmmac/dwmac5.h
index 56b0762c1276..7174f5e1501b 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac5.h
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac5.h
@@ -38,6 +38,36 @@
 #define PTOV_SHIFT			24
 #define SSWL				BIT(1)
 #define EEST				BIT(0)
+
+#define MTL_EST_STATUS			0x00000c58
+#define BTRL				GENMASK(11, 8)
+#define BTRL_SHIFT			8
+#define BTRL_MAX			(0xF << BTRL_SHIFT)
+#define SWOL				BIT(7)
+#define SWOL_SHIFT			7
+#define CGCE				BIT(4)
+#define HLBS				BIT(3)
+#define HLBF				BIT(2)
+#define BTRE				BIT(1)
+#define SWLC				BIT(0)
+
+#define MTL_EST_SCH_ERR			0x00000c60
+#define MTL_EST_FRM_SZ_ERR		0x00000c64
+#define MTL_EST_FRM_SZ_CAP		0x00000c68
+#define SZ_CAP_HBFS_MASK		GENMASK(14, 0)
+#define SZ_CAP_HBFQ_SHIFT		16
+#define SZ_CAP_HBFQ_MASK(_val)		({ typeof(_val) (val) = (_val);	\
+					((val) > 4 ? GENMASK(18, 16) :	\
+					 (val) > 2 ? GENMASK(17, 16) :	\
+					 BIT(16)); })
+
+#define MTL_EST_INT_EN			0x00000c70
+#define IECGCE				CGCE
+#define IEHS				HLBS
+#define IEHF				HLBF
+#define IEBE				BTRE
+#define IECC				SWLC
+
 #define MTL_EST_GCL_CONTROL		0x00000c80
 #define BTR_LOW				0x0
 #define BTR_HIGH			0x1
@@ -111,6 +141,8 @@ int dwmac5_flex_pps_config(void __iomem *ioaddr, int index,
 			   u32 sub_second_inc, u32 systime_flags);
 int dwmac5_est_configure(void __iomem *ioaddr, struct stmmac_est *cfg,
 			 unsigned int ptp_rate);
+void dwmac5_est_irq_status(void __iomem *ioaddr, struct net_device *dev,
+			   u32 txqcnt);
 void dwmac5_fpe_configure(void __iomem *ioaddr, u32 num_txq, u32 num_rxq,
 			  bool enable);
 
diff --git a/drivers/net/ethernet/stmicro/stmmac/hwif.h b/drivers/net/ethernet/stmicro/stmmac/hwif.h
index 979ac9fca23c..2a53c9ca4f84 100644
--- a/drivers/net/ethernet/stmicro/stmmac/hwif.h
+++ b/drivers/net/ethernet/stmicro/stmmac/hwif.h
@@ -393,6 +393,8 @@ struct stmmac_ops {
 	void (*set_arp_offload)(struct mac_device_info *hw, bool en, u32 addr);
 	int (*est_configure)(void __iomem *ioaddr, struct stmmac_est *cfg,
 			     unsigned int ptp_rate);
+	void (*est_irq_status)(void __iomem *ioaddr, struct net_device *dev,
+			       u32 txqcnt);
 	void (*fpe_configure)(void __iomem *ioaddr, u32 num_txq, u32 num_rxq,
 			      bool enable);
 };
@@ -491,6 +493,8 @@ struct stmmac_ops {
 	stmmac_do_void_callback(__priv, mac, set_arp_offload, __args)
 #define stmmac_est_configure(__priv, __args...) \
 	stmmac_do_callback(__priv, mac, est_configure, __args)
+#define stmmac_est_irq_status(__priv, __args...) \
+	stmmac_do_void_callback(__priv, mac, est_irq_status, __args)
 #define stmmac_fpe_configure(__priv, __args...) \
 	stmmac_do_void_callback(__priv, mac, fpe_configure, __args)
 
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index a10704d8e3c6..d92b799e3ec4 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -4286,6 +4286,9 @@ static irqreturn_t stmmac_interrupt(int irq, void *dev_id)
 	if (stmmac_safety_feat_interrupt(priv))
 		return IRQ_HANDLED;
 
+	if (priv->dma_cap.estsel)
+		stmmac_est_irq_status(priv, priv->ioaddr, priv->dev, tx_cnt);
+
 	/* To handle GMAC own interrupts */
 	if ((priv->plat->has_gmac) || xmac) {
 		int status = stmmac_host_irq_status(priv, priv->hw, &priv->xstats);
-- 
2.17.1


^ permalink raw reply related	[flat|nested] 4+ messages in thread

* [PATCH net-next 2/2] net: stmmac: Add EST errors into ethtool statistic
  2021-03-18  0:50 [PATCH net-next 0/2] net: stmmac: EST interrupts and ethtool mohammad.athari.ismail
  2021-03-18  0:50 ` [PATCH net-next v2 1/2] net: stmmac: EST interrupts handling and error reporting mohammad.athari.ismail
@ 2021-03-18  0:50 ` mohammad.athari.ismail
  2021-03-18 21:40 ` [PATCH net-next 0/2] net: stmmac: EST interrupts and ethtool patchwork-bot+netdevbpf
  2 siblings, 0 replies; 4+ messages in thread
From: mohammad.athari.ismail @ 2021-03-18  0:50 UTC (permalink / raw)
  To: Giuseppe Cavallaro, Alexandre Torgue, Jose Abreu,
	David S . Miller, Jakub Kicinski, Maxime Coquelin
  Cc: Ong Boon Leong, Voon Weifeng, vee.khee.wong, netdev, linux-stm32,
	linux-arm-kernel, linux-kernel, mohammad.athari.ismail

From: Ong Boon Leong <boon.leong.ong@intel.com>

Below EST errors are added into ethtool statistic:
1) Constant Gate Control Error (CGCE):
   The counter "mtl_est_cgce" increases everytime CGCE interrupt is
   triggered.

2) Head-of-Line Blocking due to Scheduling (HLBS):
   The counter "mtl_est_hlbs" increases everytime HLBS interrupt is
   triggered.

3) Head-of-Line Blocking due to Frame Size (HLBF):
   The counter "mtl_est_hlbf" increases everytime HLBF interrupt is
   triggered.

4) Base Time Register error (BTRE):
   The counter "mtl_est_btre" increases everytime BTRE interrupt is
   triggered but BTRL not reaches maximum value of 15.

5) Base Time Register Error Loop Count (BTRL) reaches maximum value:
   The counter "mtl_est_btrlm" increases everytime BTRE interrupt is
   triggered and BTRL value reaches maximum value of 15.

Please refer to MTL_EST_STATUS register in DesignWare Cores Ethernet
Quality-of-Service Databook for more detail explanation.

Signed-off-by: Ong Boon Leong <boon.leong.ong@intel.com>
Signed-off-by: Voon Weifeng <weifeng.voon@intel.com>
Co-developed-by: Mohammad Athari Bin Ismail <mohammad.athari.ismail@intel.com>
Signed-off-by: Mohammad Athari Bin Ismail <mohammad.athari.ismail@intel.com>
---
 drivers/net/ethernet/stmicro/stmmac/common.h        |  6 ++++++
 drivers/net/ethernet/stmicro/stmmac/dwmac5.c        | 13 ++++++++++++-
 drivers/net/ethernet/stmicro/stmmac/dwmac5.h        |  2 +-
 drivers/net/ethernet/stmicro/stmmac/hwif.h          |  2 +-
 .../net/ethernet/stmicro/stmmac/stmmac_ethtool.c    |  6 ++++++
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c   |  3 ++-
 6 files changed, 28 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h
index 6f271c46368d..1c0c60bdf854 100644
--- a/drivers/net/ethernet/stmicro/stmmac/common.h
+++ b/drivers/net/ethernet/stmicro/stmmac/common.h
@@ -182,6 +182,12 @@ struct stmmac_extra_stats {
 	/* TSO */
 	unsigned long tx_tso_frames;
 	unsigned long tx_tso_nfrags;
+	/* EST */
+	unsigned long mtl_est_cgce;
+	unsigned long mtl_est_hlbs;
+	unsigned long mtl_est_hlbf;
+	unsigned long mtl_est_btre;
+	unsigned long mtl_est_btrlm;
 };
 
 /* Safety Feature statistics exposed by ethtool */
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac5.c b/drivers/net/ethernet/stmicro/stmmac/dwmac5.c
index 809015f59ee2..0ae85f8adf67 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac5.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac5.c
@@ -608,7 +608,7 @@ int dwmac5_est_configure(void __iomem *ioaddr, struct stmmac_est *cfg,
 }
 
 void dwmac5_est_irq_status(void __iomem *ioaddr, struct net_device *dev,
-			  u32 txqcnt)
+			  struct stmmac_extra_stats *x, u32 txqcnt)
 {
 	u32 status, value, feqn, hbfq, hbfs, btrl;
 	u32 txqcnt_mask = (1 << txqcnt) - 1;
@@ -624,12 +624,16 @@ void dwmac5_est_irq_status(void __iomem *ioaddr, struct net_device *dev,
 	if (status & CGCE) {
 		/* Clear Interrupt */
 		writel(CGCE, ioaddr + MTL_EST_STATUS);
+
+		x->mtl_est_cgce++;
 	}
 
 	if (status & HLBS) {
 		value = readl(ioaddr + MTL_EST_SCH_ERR);
 		value &= txqcnt_mask;
 
+		x->mtl_est_hlbs++;
+
 		/* Clear Interrupt */
 		writel(value, ioaddr + MTL_EST_SCH_ERR);
 
@@ -649,6 +653,8 @@ void dwmac5_est_irq_status(void __iomem *ioaddr, struct net_device *dev,
 		hbfq = (value & SZ_CAP_HBFQ_MASK(txqcnt)) >> SZ_CAP_HBFQ_SHIFT;
 		hbfs = value & SZ_CAP_HBFS_MASK;
 
+		x->mtl_est_hlbf++;
+
 		/* Clear Interrupt */
 		writel(feqn, ioaddr + MTL_EST_FRM_SZ_ERR);
 
@@ -658,6 +664,11 @@ void dwmac5_est_irq_status(void __iomem *ioaddr, struct net_device *dev,
 	}
 
 	if (status & BTRE) {
+		if ((status & BTRL) == BTRL_MAX)
+			x->mtl_est_btrlm++;
+		else
+			x->mtl_est_btre++;
+
 		btrl = (status & BTRL) >> BTRL_SHIFT;
 
 		if (net_ratelimit())
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac5.h b/drivers/net/ethernet/stmicro/stmmac/dwmac5.h
index 7174f5e1501b..709bbfc9ae61 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac5.h
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac5.h
@@ -142,7 +142,7 @@ int dwmac5_flex_pps_config(void __iomem *ioaddr, int index,
 int dwmac5_est_configure(void __iomem *ioaddr, struct stmmac_est *cfg,
 			 unsigned int ptp_rate);
 void dwmac5_est_irq_status(void __iomem *ioaddr, struct net_device *dev,
-			   u32 txqcnt);
+			   struct stmmac_extra_stats *x, u32 txqcnt);
 void dwmac5_fpe_configure(void __iomem *ioaddr, u32 num_txq, u32 num_rxq,
 			  bool enable);
 
diff --git a/drivers/net/ethernet/stmicro/stmmac/hwif.h b/drivers/net/ethernet/stmicro/stmmac/hwif.h
index 2a53c9ca4f84..7ebe76c02474 100644
--- a/drivers/net/ethernet/stmicro/stmmac/hwif.h
+++ b/drivers/net/ethernet/stmicro/stmmac/hwif.h
@@ -394,7 +394,7 @@ struct stmmac_ops {
 	int (*est_configure)(void __iomem *ioaddr, struct stmmac_est *cfg,
 			     unsigned int ptp_rate);
 	void (*est_irq_status)(void __iomem *ioaddr, struct net_device *dev,
-			       u32 txqcnt);
+			       struct stmmac_extra_stats *x, u32 txqcnt);
 	void (*fpe_configure)(void __iomem *ioaddr, u32 num_txq, u32 num_rxq,
 			      bool enable);
 };
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
index c5642985ef95..00595b7552bc 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
@@ -158,6 +158,12 @@ static const struct stmmac_stats stmmac_gstrings_stats[] = {
 	/* TSO */
 	STMMAC_STAT(tx_tso_frames),
 	STMMAC_STAT(tx_tso_nfrags),
+	/* EST */
+	STMMAC_STAT(mtl_est_cgce),
+	STMMAC_STAT(mtl_est_hlbs),
+	STMMAC_STAT(mtl_est_hlbf),
+	STMMAC_STAT(mtl_est_btre),
+	STMMAC_STAT(mtl_est_btrlm),
 };
 #define STMMAC_STATS_LEN ARRAY_SIZE(stmmac_gstrings_stats)
 
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index d92b799e3ec4..6e238318e2ec 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -4287,7 +4287,8 @@ static irqreturn_t stmmac_interrupt(int irq, void *dev_id)
 		return IRQ_HANDLED;
 
 	if (priv->dma_cap.estsel)
-		stmmac_est_irq_status(priv, priv->ioaddr, priv->dev, tx_cnt);
+		stmmac_est_irq_status(priv, priv->ioaddr, priv->dev,
+				      &priv->xstats, tx_cnt);
 
 	/* To handle GMAC own interrupts */
 	if ((priv->plat->has_gmac) || xmac) {
-- 
2.17.1


^ permalink raw reply related	[flat|nested] 4+ messages in thread

* Re: [PATCH net-next 0/2] net: stmmac: EST interrupts and ethtool
  2021-03-18  0:50 [PATCH net-next 0/2] net: stmmac: EST interrupts and ethtool mohammad.athari.ismail
  2021-03-18  0:50 ` [PATCH net-next v2 1/2] net: stmmac: EST interrupts handling and error reporting mohammad.athari.ismail
  2021-03-18  0:50 ` [PATCH net-next 2/2] net: stmmac: Add EST errors into ethtool statistic mohammad.athari.ismail
@ 2021-03-18 21:40 ` patchwork-bot+netdevbpf
  2 siblings, 0 replies; 4+ messages in thread
From: patchwork-bot+netdevbpf @ 2021-03-18 21:40 UTC (permalink / raw)
  To: Ismail, Mohammad Athari
  Cc: peppe.cavallaro, alexandre.torgue, joabreu, davem, kuba,
	mcoquelin.stm32, boon.leong.ong, weifeng.voon, vee.khee.wong,
	netdev, linux-stm32, linux-arm-kernel, linux-kernel

Hello:

This series was applied to netdev/net-next.git (refs/heads/master):

On Thu, 18 Mar 2021 08:50:51 +0800 you wrote:
> From: Mohammad Athari Bin Ismail <mohammad.athari.ismail@intel.com>
> 
> This patchset adds support for handling EST interrupts and reporting EST
> errors. Additionally, the errors are added into ethtool statistic.
> 
> Ong Boon Leong (1):
>   net: stmmac: Add EST errors into ethtool statistic
> 
> [...]

Here is the summary with links:
  - [net-next,v2,1/2] net: stmmac: EST interrupts handling and error reporting
    https://git.kernel.org/netdev/net-next/c/e49aa315cb01
  - [net-next,2/2] net: stmmac: Add EST errors into ethtool statistic
    https://git.kernel.org/netdev/net-next/c/9f298959191b

You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



^ permalink raw reply	[flat|nested] 4+ messages in thread

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