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net: ngbevf: add sw init pci info and reset hardware

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Do sw init and reset hw for ngbevf virtual functions, then
register netdev.

Signed-off-by: Mengyuan Lou <mengyuanlou@net-swift.com>
Link: https://patch.msgid.link/20250704094923.652-11-mengyuanlou@net-swift.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Mengyuan Lou
2025-07-04 17:49:21 +08:00
committed by Jakub Kicinski
parent a0008a3658
commit 85494c9bf5
2 changed files with 95 additions and 0 deletions
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91
drivers/net/ethernet/wangxun/ngbevf/ngbevf_main.c
View File

@@ -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));

4
drivers/net/ethernet/wangxun/ngbevf/ngbevf_type.h
View File

@@ -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_ */