netdev.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Allen Pais <allen.lkml@gmail.com>
To: netdev@vger.kernel.org
Cc: Allen Pais <allen.lkml@gmail.com>
Subject: [PATCH 02/15] net: xgbe: Convert tasklet API to new bottom half workqueue mechanism
Date: Fri, 21 Jun 2024 11:39:34 -0700	[thread overview]
Message-ID: <20240621183947.4105278-3-allen.lkml@gmail.com> (raw)
In-Reply-To: <20240621183947.4105278-1-allen.lkml@gmail.com>

Migrate tasklet APIs to the new bottom half workqueue mechanism. It
replaces all occurrences of tasklet usage with the appropriate workqueue
APIs throughout the xgbe driver. This transition ensures compatibility
with the latest design and enhances performance.

Signed-off-by: Allen Pais <allen.lkml@gmail.com>
---
 drivers/net/ethernet/amd/xgbe/xgbe-drv.c  | 30 +++++++++++------------
 drivers/net/ethernet/amd/xgbe/xgbe-i2c.c  | 16 ++++++------
 drivers/net/ethernet/amd/xgbe/xgbe-mdio.c | 16 ++++++------
 drivers/net/ethernet/amd/xgbe/xgbe-pci.c  |  4 +--
 drivers/net/ethernet/amd/xgbe/xgbe.h      | 10 ++++----
 5 files changed, 38 insertions(+), 38 deletions(-)

diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
index c4a4e316683f..5475867708f4 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
@@ -403,9 +403,9 @@ static bool xgbe_ecc_ded(struct xgbe_prv_data *pdata, unsigned long *period,
 	return false;
 }
 
-static void xgbe_ecc_isr_task(struct tasklet_struct *t)
+static void xgbe_ecc_isr_bh_work(struct work_struct *work)
 {
-	struct xgbe_prv_data *pdata = from_tasklet(pdata, t, tasklet_ecc);
+	struct xgbe_prv_data *pdata = from_work(pdata, work, ecc_bh_work);
 	unsigned int ecc_isr;
 	bool stop = false;
 
@@ -465,17 +465,17 @@ static irqreturn_t xgbe_ecc_isr(int irq, void *data)
 {
 	struct xgbe_prv_data *pdata = data;
 
-	if (pdata->isr_as_tasklet)
-		tasklet_schedule(&pdata->tasklet_ecc);
+	if (pdata->isr_as_bh_work)
+		queue_work(system_bh_wq, &pdata->ecc_bh_work);
 	else
-		xgbe_ecc_isr_task(&pdata->tasklet_ecc);
+		xgbe_ecc_isr_bh_work(&pdata->ecc_bh_work);
 
 	return IRQ_HANDLED;
 }
 
-static void xgbe_isr_task(struct tasklet_struct *t)
+static void xgbe_isr_bh_work(struct work_struct *work)
 {
-	struct xgbe_prv_data *pdata = from_tasklet(pdata, t, tasklet_dev);
+	struct xgbe_prv_data *pdata = from_work(pdata, work, dev_bh_work);
 	struct xgbe_hw_if *hw_if = &pdata->hw_if;
 	struct xgbe_channel *channel;
 	unsigned int dma_isr, dma_ch_isr;
@@ -582,7 +582,7 @@ static void xgbe_isr_task(struct tasklet_struct *t)
 
 	/* If there is not a separate ECC irq, handle it here */
 	if (pdata->vdata->ecc_support && (pdata->dev_irq == pdata->ecc_irq))
-		xgbe_ecc_isr_task(&pdata->tasklet_ecc);
+		xgbe_ecc_isr_bh_work(&pdata->ecc_bh_work);
 
 	/* If there is not a separate I2C irq, handle it here */
 	if (pdata->vdata->i2c_support && (pdata->dev_irq == pdata->i2c_irq))
@@ -604,10 +604,10 @@ static irqreturn_t xgbe_isr(int irq, void *data)
 {
 	struct xgbe_prv_data *pdata = data;
 
-	if (pdata->isr_as_tasklet)
-		tasklet_schedule(&pdata->tasklet_dev);
+	if (pdata->isr_as_bh_work)
+		queue_work(system_bh_wq, &pdata->dev_bh_work);
 	else
-		xgbe_isr_task(&pdata->tasklet_dev);
+		xgbe_isr_bh_work(&pdata->dev_bh_work);
 
 	return IRQ_HANDLED;
 }
@@ -1007,8 +1007,8 @@ static int xgbe_request_irqs(struct xgbe_prv_data *pdata)
 	unsigned int i;
 	int ret;
 
-	tasklet_setup(&pdata->tasklet_dev, xgbe_isr_task);
-	tasklet_setup(&pdata->tasklet_ecc, xgbe_ecc_isr_task);
+	INIT_WORK(&pdata->dev_bh_work, xgbe_isr_bh_work);
+	INIT_WORK(&pdata->ecc_bh_work, xgbe_ecc_isr_bh_work);
 
 	ret = devm_request_irq(pdata->dev, pdata->dev_irq, xgbe_isr, 0,
 			       netdev_name(netdev), pdata);
@@ -1078,8 +1078,8 @@ static void xgbe_free_irqs(struct xgbe_prv_data *pdata)
 
 	devm_free_irq(pdata->dev, pdata->dev_irq, pdata);
 
-	tasklet_kill(&pdata->tasklet_dev);
-	tasklet_kill(&pdata->tasklet_ecc);
+	cancel_work_sync(&pdata->dev_bh_work);
+	cancel_work_sync(&pdata->ecc_bh_work);
 
 	if (pdata->vdata->ecc_support && (pdata->dev_irq != pdata->ecc_irq))
 		devm_free_irq(pdata->dev, pdata->ecc_irq, pdata);
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-i2c.c b/drivers/net/ethernet/amd/xgbe/xgbe-i2c.c
index a9ccc4258ee5..7a833894f52a 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-i2c.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-i2c.c
@@ -274,9 +274,9 @@ static void xgbe_i2c_clear_isr_interrupts(struct xgbe_prv_data *pdata,
 		XI2C_IOREAD(pdata, IC_CLR_STOP_DET);
 }
 
-static void xgbe_i2c_isr_task(struct tasklet_struct *t)
+static void xgbe_i2c_isr_bh_work(struct work_struct *work)
 {
-	struct xgbe_prv_data *pdata = from_tasklet(pdata, t, tasklet_i2c);
+	struct xgbe_prv_data *pdata = from_work(pdata, work, i2c_bh_work);
 	struct xgbe_i2c_op_state *state = &pdata->i2c.op_state;
 	unsigned int isr;
 
@@ -321,10 +321,10 @@ static irqreturn_t xgbe_i2c_isr(int irq, void *data)
 {
 	struct xgbe_prv_data *pdata = (struct xgbe_prv_data *)data;
 
-	if (pdata->isr_as_tasklet)
-		tasklet_schedule(&pdata->tasklet_i2c);
+	if (pdata->isr_as_bh_work)
+		queue_work(system_bh_wq, &pdata->i2c_bh_work);
 	else
-		xgbe_i2c_isr_task(&pdata->tasklet_i2c);
+		xgbe_i2c_isr_bh_work(&pdata->i2c_bh_work);
 
 	return IRQ_HANDLED;
 }
@@ -369,7 +369,7 @@ static void xgbe_i2c_set_target(struct xgbe_prv_data *pdata, unsigned int addr)
 
 static irqreturn_t xgbe_i2c_combined_isr(struct xgbe_prv_data *pdata)
 {
-	xgbe_i2c_isr_task(&pdata->tasklet_i2c);
+	xgbe_i2c_isr_bh_work(&pdata->i2c_bh_work);
 
 	return IRQ_HANDLED;
 }
@@ -449,7 +449,7 @@ static void xgbe_i2c_stop(struct xgbe_prv_data *pdata)
 
 	if (pdata->dev_irq != pdata->i2c_irq) {
 		devm_free_irq(pdata->dev, pdata->i2c_irq, pdata);
-		tasklet_kill(&pdata->tasklet_i2c);
+		cancel_work_sync(&pdata->i2c_bh_work);
 	}
 }
 
@@ -464,7 +464,7 @@ static int xgbe_i2c_start(struct xgbe_prv_data *pdata)
 
 	/* If we have a separate I2C irq, enable it */
 	if (pdata->dev_irq != pdata->i2c_irq) {
-		tasklet_setup(&pdata->tasklet_i2c, xgbe_i2c_isr_task);
+		INIT_WORK(&pdata->i2c_bh_work, xgbe_i2c_isr_bh_work);
 
 		ret = devm_request_irq(pdata->dev, pdata->i2c_irq,
 				       xgbe_i2c_isr, 0, pdata->i2c_name,
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c b/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c
index 4a2dc705b528..07f4f3418d01 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c
@@ -703,9 +703,9 @@ static void xgbe_an73_isr(struct xgbe_prv_data *pdata)
 	}
 }
 
-static void xgbe_an_isr_task(struct tasklet_struct *t)
+static void xgbe_an_isr_bh_work(struct work_struct *work)
 {
-	struct xgbe_prv_data *pdata = from_tasklet(pdata, t, tasklet_an);
+	struct xgbe_prv_data *pdata = from_work(pdata, work, an_bh_work);
 
 	netif_dbg(pdata, intr, pdata->netdev, "AN interrupt received\n");
 
@@ -727,17 +727,17 @@ static irqreturn_t xgbe_an_isr(int irq, void *data)
 {
 	struct xgbe_prv_data *pdata = (struct xgbe_prv_data *)data;
 
-	if (pdata->isr_as_tasklet)
-		tasklet_schedule(&pdata->tasklet_an);
+	if (pdata->isr_as_bh_work)
+		queue_work(system_bh_wq, &pdata->an_bh_work);
 	else
-		xgbe_an_isr_task(&pdata->tasklet_an);
+		xgbe_an_isr_bh_work(&pdata->an_bh_work);
 
 	return IRQ_HANDLED;
 }
 
 static irqreturn_t xgbe_an_combined_isr(struct xgbe_prv_data *pdata)
 {
-	xgbe_an_isr_task(&pdata->tasklet_an);
+	xgbe_an_isr_bh_work(&pdata->an_bh_work);
 
 	return IRQ_HANDLED;
 }
@@ -1454,7 +1454,7 @@ static void xgbe_phy_stop(struct xgbe_prv_data *pdata)
 
 	if (pdata->dev_irq != pdata->an_irq) {
 		devm_free_irq(pdata->dev, pdata->an_irq, pdata);
-		tasklet_kill(&pdata->tasklet_an);
+		cancel_work_sync(&pdata->an_bh_work);
 	}
 
 	pdata->phy_if.phy_impl.stop(pdata);
@@ -1477,7 +1477,7 @@ static int xgbe_phy_start(struct xgbe_prv_data *pdata)
 
 	/* If we have a separate AN irq, enable it */
 	if (pdata->dev_irq != pdata->an_irq) {
-		tasklet_setup(&pdata->tasklet_an, xgbe_an_isr_task);
+		INIT_WORK(&pdata->an_bh_work, xgbe_an_isr_bh_work);
 
 		ret = devm_request_irq(pdata->dev, pdata->an_irq,
 				       xgbe_an_isr, 0, pdata->an_name,
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-pci.c b/drivers/net/ethernet/amd/xgbe/xgbe-pci.c
index c5e5fac49779..c636999a6a84 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-pci.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-pci.c
@@ -139,7 +139,7 @@ static int xgbe_config_multi_msi(struct xgbe_prv_data *pdata)
 		return ret;
 	}
 
-	pdata->isr_as_tasklet = 1;
+	pdata->isr_as_bh_work = 1;
 	pdata->irq_count = ret;
 
 	pdata->dev_irq = pci_irq_vector(pdata->pcidev, 0);
@@ -176,7 +176,7 @@ static int xgbe_config_irqs(struct xgbe_prv_data *pdata)
 		return ret;
 	}
 
-	pdata->isr_as_tasklet = pdata->pcidev->msi_enabled ? 1 : 0;
+	pdata->isr_as_bh_work = pdata->pcidev->msi_enabled ? 1 : 0;
 	pdata->irq_count = 1;
 	pdata->channel_irq_count = 1;
 
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe.h b/drivers/net/ethernet/amd/xgbe/xgbe.h
index f01a1e566da6..d85386cac8d1 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe.h
+++ b/drivers/net/ethernet/amd/xgbe/xgbe.h
@@ -1298,11 +1298,11 @@ struct xgbe_prv_data {
 
 	unsigned int lpm_ctrl;		/* CTRL1 for resume */
 
-	unsigned int isr_as_tasklet;
-	struct tasklet_struct tasklet_dev;
-	struct tasklet_struct tasklet_ecc;
-	struct tasklet_struct tasklet_i2c;
-	struct tasklet_struct tasklet_an;
+	unsigned int isr_as_bh_work;
+	struct work_struct dev_bh_work;
+	struct work_struct ecc_bh_work;
+	struct work_struct i2c_bh_work;
+	struct work_struct an_bh_work;
 
 	struct dentry *xgbe_debugfs;
 
-- 
2.34.1


  parent reply	other threads:[~2024-06-21 18:40 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-06-21 18:39 [PATCH 00/15] ethernet: Convert from tasklet to BH workqueue Allen Pais
2024-06-21 18:39 ` [PATCH 01/15] net: alteon: Convert tasklet API to new bottom half workqueue mechanism Allen Pais
2024-06-21 18:39 ` Allen Pais [this message]
2024-06-21 18:39 ` [PATCH 03/15] net: cnic: " Allen Pais
2024-06-21 18:39 ` [PATCH 04/15] net: macb: " Allen Pais
2024-06-21 18:39 ` [PATCH 05/15] net: cavium/liquidio: " Allen Pais
2024-06-21 18:39 ` [PATCH 06/15] net: octeon: " Allen Pais
2024-06-21 18:39 ` [PATCH 07/15] net: thunderx: " Allen Pais
2024-06-21 18:39 ` [PATCH 08/15] net: chelsio: " Allen Pais
2024-06-21 18:39 ` [PATCH 09/15] net: sundance: " Allen Pais
2024-06-21 18:39 ` [PATCH 10/15] net: hinic: " Allen Pais
2024-06-21 18:39 ` [PATCH 11/15] net: ehea: " Allen Pais
2024-06-21 18:39 ` [PATCH 12/15] net: ibmvnic: " Allen Pais
2024-06-21 18:39 ` [PATCH 13/15] net: jme: " Allen Pais
2024-06-21 18:39 ` [PATCH 14/15] net: marvell: " Allen Pais
2024-06-21 20:19   ` Andrew Lunn
2024-06-21 18:39 ` [PATCH 15/15] net: mtk-wed: " Allen Pais
     [not found] <20240621050525.3720069-1-allen.lkml@gmail.com>
2024-06-21  5:05 ` [PATCH 02/15] net: xgbe: " Allen Pais

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20240621183947.4105278-3-allen.lkml@gmail.com \
    --to=allen.lkml@gmail.com \
    --cc=netdev@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).