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Message-Id: <20250611083559.14175-11-mengyuanlou@net-swift.com>
Date: Wed, 11 Jun 2025 16:35:57 +0800
From: Mengyuan Lou <mengyuanlou@...-swift.com>
To: netdev@...r.kernel.org
Cc: kuba@...nel.org,
pabeni@...hat.com,
horms@...nel.org,
andrew+netdev@...n.ch,
duanqiangwen@...-swift.com,
linglingzhang@...stnetic.com,
jiawenwu@...-swift.com,
Mengyuan Lou <mengyuanlou@...-swift.com>
Subject: [PATCH net-next 10/12] net: ngbevf: add sw init pci info and reset hardware
Do sw init and reset hw for ngbevf virtual functions, then
register netdev.
Signed-off-by: Mengyuan Lou <mengyuanlou@...-swift.com>
---
.../net/ethernet/wangxun/ngbevf/ngbevf_main.c | 91 +++++++++++++++++++
.../net/ethernet/wangxun/ngbevf/ngbevf_type.h | 4 +
2 files changed, 95 insertions(+)
diff --git a/drivers/net/ethernet/wangxun/ngbevf/ngbevf_main.c b/drivers/net/ethernet/wangxun/ngbevf/ngbevf_main.c
index 77025e7deeeb..4eea682f024b 100644
--- a/drivers/net/ethernet/wangxun/ngbevf/ngbevf_main.c
+++ b/drivers/net/ethernet/wangxun/ngbevf/ngbevf_main.c
@@ -9,6 +9,9 @@
#include <linux/etherdevice.h>
#include "../libwx/wx_type.h"
+#include "../libwx/wx_hw.h"
+#include "../libwx/wx_mbx.h"
+#include "../libwx/wx_vf.h"
#include "../libwx/wx_vf_common.h"
#include "ngbevf_type.h"
@@ -37,6 +40,75 @@ static const struct pci_device_id ngbevf_pci_tbl[] = {
{ .device = 0 }
};
+static const struct net_device_ops ngbevf_netdev_ops = {
+ .ndo_open = wxvf_open,
+ .ndo_stop = wxvf_close,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_set_mac_address = wx_set_mac_vf,
+};
+
+static int ngbevf_sw_init(struct wx *wx)
+{
+ struct net_device *netdev = wx->netdev;
+ struct pci_dev *pdev = wx->pdev;
+ int err;
+
+ /* Initialize pcie info and common capability flags */
+ err = wx_sw_init(wx);
+ if (err < 0)
+ goto err_wx_sw_init;
+
+ /* Initialize the mailbox */
+ err = wx_init_mbx_params_vf(wx);
+ if (err)
+ goto err_init_mbx_params;
+
+ /* Initialize the device type */
+ wx->mac.type = wx_mac_em;
+ /* lock to protect mailbox accesses */
+ spin_lock_init(&wx->mbx.mbx_lock);
+
+ err = wx_reset_hw_vf(wx);
+ if (err) {
+ wx_err(wx, "PF still in reset state. Is the PF interface up?\n");
+ goto err_reset_hw;
+ }
+ wx_init_hw_vf(wx);
+ wx_negotiate_api_vf(wx);
+ if (is_zero_ether_addr(wx->mac.addr))
+ dev_info(&pdev->dev,
+ "MAC address not assigned by administrator.\n");
+ eth_hw_addr_set(netdev, wx->mac.addr);
+
+ if (!is_valid_ether_addr(netdev->dev_addr)) {
+ dev_info(&pdev->dev, "Assigning random MAC address\n");
+ eth_hw_addr_random(netdev);
+ ether_addr_copy(wx->mac.addr, netdev->dev_addr);
+ ether_addr_copy(wx->mac.perm_addr, netdev->dev_addr);
+ }
+
+ wx->mac.max_tx_queues = NGBEVF_MAX_TX_QUEUES;
+ wx->mac.max_rx_queues = NGBEVF_MAX_RX_QUEUES;
+ /* Enable dynamic interrupt throttling rates */
+ wx->rx_itr_setting = 1;
+ wx->tx_itr_setting = 1;
+ /* set default ring sizes */
+ wx->tx_ring_count = NGBEVF_DEFAULT_TXD;
+ wx->rx_ring_count = NGBEVF_DEFAULT_RXD;
+ /* set default work limits */
+ wx->tx_work_limit = NGBEVF_DEFAULT_TX_WORK;
+ wx->rx_work_limit = NGBEVF_DEFAULT_RX_WORK;
+
+ return 0;
+err_reset_hw:
+ kfree(wx->vfinfo);
+err_init_mbx_params:
+ kfree(wx->rss_key);
+ kfree(wx->mac_table);
+err_wx_sw_init:
+ return err;
+}
+
/**
* ngbevf_probe - Device Initialization Routine
* @pdev: PCI device information struct
@@ -102,11 +174,30 @@ static int ngbevf_probe(struct pci_dev *pdev,
goto err_pci_release_regions;
}
+ netdev->netdev_ops = &ngbevf_netdev_ops;
+
+ /* setup the private structure */
+ err = ngbevf_sw_init(wx);
+ if (err)
+ goto err_pci_release_regions;
+
netdev->features |= NETIF_F_HIGHDMA;
+
+ eth_hw_addr_set(netdev, wx->mac.perm_addr);
+ ether_addr_copy(netdev->perm_addr, wx->mac.addr);
+
+ err = register_netdev(netdev);
+ if (err)
+ goto err_register;
+
pci_set_drvdata(pdev, wx);
return 0;
+err_register:
+ kfree(wx->vfinfo);
+ kfree(wx->rss_key);
+ kfree(wx->mac_table);
err_pci_release_regions:
pci_release_selected_regions(pdev,
pci_select_bars(pdev, IORESOURCE_MEM));
diff --git a/drivers/net/ethernet/wangxun/ngbevf/ngbevf_type.h b/drivers/net/ethernet/wangxun/ngbevf/ngbevf_type.h
index c71a244ec6b9..dc29349304f1 100644
--- a/drivers/net/ethernet/wangxun/ngbevf/ngbevf_type.h
+++ b/drivers/net/ethernet/wangxun/ngbevf/ngbevf_type.h
@@ -20,5 +20,9 @@
#define NGBEVF_MAX_RX_QUEUES 1
#define NGBEVF_MAX_TX_QUEUES 1
+#define NGBEVF_DEFAULT_TXD 128
+#define NGBEVF_DEFAULT_RXD 128
+#define NGBEVF_DEFAULT_TX_WORK 256
+#define NGBEVF_DEFAULT_RX_WORK 256
#endif /* _NGBEVF_TYPE_H_ */
--
2.30.1
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