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hinic3: Nic_io initialization

Browse Source 
Add nic_io initialization to enable NIC service, configure the
function table, initialize hwdev dev_id and negotiate activation
of NIC features.

Co-developed-by: Zhu Yikai <zhuyikai1@h-partners.com>
Signed-off-by: Zhu Yikai <zhuyikai1@h-partners.com>
Signed-off-by: Fan Gong <gongfan1@huawei.com>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/fab9c4235c0fc0f65c9ac1add20dba5ac2160328.1757653621.git.zhuyikai1@h-partners.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Fan Gong
2025-09-12 14:28:23 +08:00
committed by Paolo Abeni
parent b92e6c734d
commit 8133788d02
4 changed files with 88 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
drivers/net/ethernet/huawei/hinic3/hinic3_hwdev.c
View File

@@ -436,6 +436,18 @@ static void hinic3_uninit_comm_ch(struct hinic3_hwdev *hwdev)
free_base_mgmt_channel(hwdev);
}
static DEFINE_IDA(hinic3_adev_ida);
static int hinic3_adev_idx_alloc(void)
{
return ida_alloc(&hinic3_adev_ida, GFP_KERNEL);
}
static void hinic3_adev_idx_free(int id)
{
ida_free(&hinic3_adev_ida, id);
}
int hinic3_init_hwdev(struct pci_dev *pdev)
{
struct hinic3_pcidev *pci_adapter = pci_get_drvdata(pdev);
@@ -451,6 +463,7 @@ int hinic3_init_hwdev(struct pci_dev *pdev)
hwdev->pdev = pci_adapter->pdev;
hwdev->dev = &pci_adapter->pdev->dev;
hwdev->func_state = 0;
hwdev->dev_id = hinic3_adev_idx_alloc();
spin_lock_init(&hwdev->channel_lock);
err = hinic3_init_hwif(hwdev);
@@ -504,6 +517,7 @@ int hinic3_init_hwdev(struct pci_dev *pdev)
hinic3_free_hwif(hwdev);
err_free_hwdev:
pci_adapter->hwdev = NULL;
hinic3_adev_idx_free(hwdev->dev_id);
kfree(hwdev);
return err;
@@ -519,6 +533,7 @@ void hinic3_free_hwdev(struct hinic3_hwdev *hwdev)
hinic3_free_cfg_mgmt(hwdev);
destroy_workqueue(hwdev->workq);
hinic3_free_hwif(hwdev);
hinic3_adev_idx_free(hwdev->dev_id);
kfree(hwdev);
}

23
drivers/net/ethernet/huawei/hinic3/hinic3_nic_cfg.c
View File

@@ -39,6 +39,12 @@ static int hinic3_feature_nego(struct hinic3_hwdev *hwdev, u8 opcode,
return 0;
}
int hinic3_get_nic_feature_from_hw(struct hinic3_nic_dev *nic_dev)
{
return hinic3_feature_nego(nic_dev->hwdev, MGMT_MSG_CMD_OP_GET,
&nic_dev->nic_io->feature_cap, 1);
}
int hinic3_set_nic_feature_to_hw(struct hinic3_nic_dev *nic_dev)
{
return hinic3_feature_nego(nic_dev->hwdev, MGMT_MSG_CMD_OP_SET,
@@ -82,6 +88,23 @@ static int hinic3_set_function_table(struct hinic3_hwdev *hwdev, u32 cfg_bitmap,
return 0;
}
int hinic3_init_function_table(struct hinic3_nic_dev *nic_dev)
{
struct hinic3_nic_io *nic_io = nic_dev->nic_io;
struct l2nic_func_tbl_cfg func_tbl_cfg = {};
u32 cfg_bitmap;
func_tbl_cfg.mtu = 0x3FFF; /* default, max mtu */
func_tbl_cfg.rx_wqe_buf_size = nic_io->rx_buf_len;
cfg_bitmap = BIT(L2NIC_FUNC_TBL_CFG_INIT) |
BIT(L2NIC_FUNC_TBL_CFG_MTU) |
BIT(L2NIC_FUNC_TBL_CFG_RX_BUF_SIZE);
return hinic3_set_function_table(nic_dev->hwdev, cfg_bitmap,
&func_tbl_cfg);
}
int hinic3_set_port_mtu(struct net_device *netdev, u16 new_mtu)
{
struct hinic3_nic_dev *nic_dev = netdev_priv(netdev);

2
drivers/net/ethernet/huawei/hinic3/hinic3_nic_cfg.h
View File

@@ -22,11 +22,13 @@ enum hinic3_nic_event_type {
HINIC3_NIC_EVENT_LINK_UP = 1,
};
int hinic3_get_nic_feature_from_hw(struct hinic3_nic_dev *nic_dev);
int hinic3_set_nic_feature_to_hw(struct hinic3_nic_dev *nic_dev);
bool hinic3_test_support(struct hinic3_nic_dev *nic_dev,
enum hinic3_nic_feature_cap feature_bits);
void hinic3_update_nic_feature(struct hinic3_nic_dev *nic_dev, u64 feature_cap);
int hinic3_init_function_table(struct hinic3_nic_dev *nic_dev);
int hinic3_set_port_mtu(struct net_device *netdev, u16 new_mtu);
int hinic3_set_mac(struct hinic3_hwdev *hwdev, const u8 *mac_addr, u16 vlan_id,

51
drivers/net/ethernet/huawei/hinic3/hinic3_nic_io.c
View File

@@ -11,11 +11,56 @@
int hinic3_init_nic_io(struct hinic3_nic_dev *nic_dev)
{
/* Completed by later submission due to LoC limit. */
return -EFAULT;
struct hinic3_hwdev *hwdev = nic_dev->hwdev;
struct hinic3_nic_io *nic_io;
int err;
nic_io = kzalloc(sizeof(*nic_io), GFP_KERNEL);
if (!nic_io)
return -ENOMEM;
nic_dev->nic_io = nic_io;
err = hinic3_set_func_svc_used_state(hwdev, COMM_FUNC_SVC_T_NIC, 1);
if (err) {
dev_err(hwdev->dev, "Failed to set function svc used state\n");
goto err_free_nicio;
}
err = hinic3_init_function_table(nic_dev);
if (err) {
dev_err(hwdev->dev, "Failed to init function table\n");
goto err_clear_func_svc_used_state;
}
nic_io->rx_buf_len = nic_dev->rx_buf_len;
err = hinic3_get_nic_feature_from_hw(nic_dev);
if (err) {
dev_err(hwdev->dev, "Failed to get nic features\n");
goto err_clear_func_svc_used_state;
}
nic_io->feature_cap &= HINIC3_NIC_F_ALL_MASK;
nic_io->feature_cap &= HINIC3_NIC_DRV_DEFAULT_FEATURE;
dev_dbg(hwdev->dev, "nic features: 0x%llx\n\n", nic_io->feature_cap);
return 0;
err_clear_func_svc_used_state:
hinic3_set_func_svc_used_state(hwdev, COMM_FUNC_SVC_T_NIC, 0);
err_free_nicio:
nic_dev->nic_io = NULL;
kfree(nic_io);
return err;
}
void hinic3_free_nic_io(struct hinic3_nic_dev *nic_dev)
{
/* Completed by later submission due to LoC limit. */
struct hinic3_nic_io *nic_io = nic_dev->nic_io;
hinic3_set_func_svc_used_state(nic_dev->hwdev, COMM_FUNC_SVC_T_NIC, 0);
nic_dev->nic_io = NULL;
kfree(nic_io);
}