From: Mengyuan Lou <mengyuanlou@net-swift.com>
Date: Fri, 4 Jul 2025 09:49:18 +0000 (+0800)
Subject: net: txgbevf: Support Rx and Tx process path
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ce12ba254655a2dbffc103d184046213025191aa;p=thirdparty%2Fkernel%2Flinux.git

net: txgbevf: Support Rx and Tx process path

Improve the configuration of Rx and Tx ring.
Setup and alloc resources.
Configure Rx and Tx unit on hardware.
Add .ndo_start_xmit support and start all queues.

Signed-off-by: Mengyuan Lou <mengyuanlou@net-swift.com>
Link: https://patch.msgid.link/20250704094923.652-8-mengyuanlou@net-swift.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---

diff --git a/drivers/net/ethernet/wangxun/libwx/wx_vf_common.c b/drivers/net/ethernet/wangxun/libwx/wx_vf_common.c
index 7442b195425f3..dc3ed0808e15d 100644
--- a/drivers/net/ethernet/wangxun/libwx/wx_vf_common.c
+++ b/drivers/net/ethernet/wangxun/libwx/wx_vf_common.c
@@ -251,10 +251,14 @@ static void wxvf_irq_enable(struct wx *wx)
 static void wxvf_up_complete(struct wx *wx)
 {
 	wx_configure_msix_vf(wx);
+	smp_mb__before_atomic();
+	wx_napi_enable_all(wx);
 
 	/* clear any pending interrupts, may auto mask */
 	wr32(wx, WX_VXICR, U32_MAX);
 	wxvf_irq_enable(wx);
+	/* enable transmits */
+	netif_tx_start_all_queues(wx->netdev);
 }
 
 int wxvf_open(struct net_device *netdev)
@@ -262,13 +266,31 @@ int wxvf_open(struct net_device *netdev)
 	struct wx *wx = netdev_priv(netdev);
 	int err;
 
-	err = wx_request_msix_irqs_vf(wx);
+	err = wx_setup_resources(wx);
 	if (err)
 		goto err_reset;
+	wx_configure_vf(wx);
+
+	err = wx_request_msix_irqs_vf(wx);
+	if (err)
+		goto err_free_resources;
+
+	/* Notify the stack of the actual queue counts. */
+	err = netif_set_real_num_tx_queues(netdev, wx->num_tx_queues);
+	if (err)
+		goto err_free_irq;
+
+	err = netif_set_real_num_rx_queues(netdev, wx->num_rx_queues);
+	if (err)
+		goto err_free_irq;
 
 	wxvf_up_complete(wx);
 
 	return 0;
+err_free_irq:
+	wx_free_irq(wx);
+err_free_resources:
+	wx_free_resources(wx);
 err_reset:
 	wx_reset_vf(wx);
 	return err;
@@ -294,6 +316,7 @@ int wxvf_close(struct net_device *netdev)
 
 	wxvf_down(wx);
 	wx_free_irq(wx);
+	wx_free_resources(wx);
 
 	return 0;
 }
diff --git a/drivers/net/ethernet/wangxun/txgbevf/txgbevf_main.c b/drivers/net/ethernet/wangxun/txgbevf/txgbevf_main.c
index a61e4a0781cff..57e67804b8b77 100644
--- a/drivers/net/ethernet/wangxun/txgbevf/txgbevf_main.c
+++ b/drivers/net/ethernet/wangxun/txgbevf/txgbevf_main.c
@@ -40,6 +40,7 @@ static const struct pci_device_id txgbevf_pci_tbl[] = {
 static const struct net_device_ops txgbevf_netdev_ops = {
 	.ndo_open               = wxvf_open,
 	.ndo_stop               = wxvf_close,
+	.ndo_start_xmit         = wx_xmit_frame,
 	.ndo_validate_addr      = eth_validate_addr,
 	.ndo_set_mac_address    = wx_set_mac_vf,
 };
@@ -258,6 +259,7 @@ static int txgbevf_probe(struct pci_dev *pdev,
 		goto err_register;
 
 	pci_set_drvdata(pdev, wx);
+	netif_tx_stop_all_queues(netdev);
 
 	return 0;