drivers/net/ethernet/atheros/atl1c/atl1c_ethtool.c
Source file repositories/reference/linux-study-clean/drivers/net/ethernet/atheros/atl1c/atl1c_ethtool.c
File Facts
- System
- Linux kernel
- Corpus path
drivers/net/ethernet/atheros/atl1c/atl1c_ethtool.c- Extension
.c- Size
- 8280 bytes
- Lines
- 296
- Domain
- Driver Families
- Bucket
- drivers/net
- Inferred role
- Driver Families: implementation source
- Status
- source implementation candidate
Why This File Exists
Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.
- Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.
- Allocates kernel memory; connect allocation flags and lifetime to context constraints.
- Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.
Dependency Surface
linux/netdevice.hlinux/ethtool.hlinux/slab.hatl1c.h
Detected Declarations
function Copyrightfunction atl1c_set_link_ksettingsfunction atl1c_get_msglevelfunction atl1c_set_msglevelfunction atl1c_get_regs_lenfunction atl1c_get_regsfunction atl1c_get_eeprom_lenfunction atl1c_get_eepromfunction atl1c_get_drvinfofunction atl1c_get_wolfunction atl1c_set_wolfunction atl1c_nway_resetfunction atl1c_set_ethtool_ops
Annotated Snippet
if (speed == SPEED_1000) {
if (cmd->base.duplex != DUPLEX_FULL) {
if (netif_msg_link(adapter))
dev_warn(&adapter->pdev->dev,
"1000M half is invalid\n");
clear_bit(__AT_RESETTING, &adapter->flags);
return -EINVAL;
}
autoneg_advertised = ADVERTISED_1000baseT_Full;
} else if (speed == SPEED_100) {
if (cmd->base.duplex == DUPLEX_FULL)
autoneg_advertised = ADVERTISED_100baseT_Full;
else
autoneg_advertised = ADVERTISED_100baseT_Half;
} else {
if (cmd->base.duplex == DUPLEX_FULL)
autoneg_advertised = ADVERTISED_10baseT_Full;
else
autoneg_advertised = ADVERTISED_10baseT_Half;
}
}
if (hw->autoneg_advertised != autoneg_advertised) {
hw->autoneg_advertised = autoneg_advertised;
if (atl1c_restart_autoneg(hw) != 0) {
if (netif_msg_link(adapter))
dev_warn(&adapter->pdev->dev,
"ethtool speed/duplex setting failed\n");
clear_bit(__AT_RESETTING, &adapter->flags);
return -EINVAL;
}
}
clear_bit(__AT_RESETTING, &adapter->flags);
return 0;
}
static u32 atl1c_get_msglevel(struct net_device *netdev)
{
struct atl1c_adapter *adapter = netdev_priv(netdev);
return adapter->msg_enable;
}
static void atl1c_set_msglevel(struct net_device *netdev, u32 data)
{
struct atl1c_adapter *adapter = netdev_priv(netdev);
adapter->msg_enable = data;
}
static int atl1c_get_regs_len(struct net_device *netdev)
{
return AT_REGS_LEN;
}
static void atl1c_get_regs(struct net_device *netdev,
struct ethtool_regs *regs, void *p)
{
struct atl1c_adapter *adapter = netdev_priv(netdev);
struct atl1c_hw *hw = &adapter->hw;
u32 *regs_buff = p;
u16 phy_data;
memset(p, 0, AT_REGS_LEN);
regs->version = 1;
AT_READ_REG(hw, REG_PM_CTRL, p++);
AT_READ_REG(hw, REG_MAC_HALF_DUPLX_CTRL, p++);
AT_READ_REG(hw, REG_TWSI_CTRL, p++);
AT_READ_REG(hw, REG_PCIE_DEV_MISC_CTRL, p++);
AT_READ_REG(hw, REG_MASTER_CTRL, p++);
AT_READ_REG(hw, REG_MANUAL_TIMER_INIT, p++);
AT_READ_REG(hw, REG_IRQ_MODRT_TIMER_INIT, p++);
AT_READ_REG(hw, REG_GPHY_CTRL, p++);
AT_READ_REG(hw, REG_LINK_CTRL, p++);
AT_READ_REG(hw, REG_IDLE_STATUS, p++);
AT_READ_REG(hw, REG_MDIO_CTRL, p++);
AT_READ_REG(hw, REG_SERDES, p++);
AT_READ_REG(hw, REG_MAC_CTRL, p++);
AT_READ_REG(hw, REG_MAC_IPG_IFG, p++);
AT_READ_REG(hw, REG_MAC_STA_ADDR, p++);
AT_READ_REG(hw, REG_MAC_STA_ADDR+4, p++);
AT_READ_REG(hw, REG_RX_HASH_TABLE, p++);
AT_READ_REG(hw, REG_RX_HASH_TABLE+4, p++);
AT_READ_REG(hw, REG_RXQ_CTRL, p++);
AT_READ_REG(hw, REG_TXQ_CTRL, p++);
AT_READ_REG(hw, REG_MTU, p++);
AT_READ_REG(hw, REG_WOL_CTRL, p++);
atl1c_read_phy_reg(hw, MII_BMCR, &phy_data);
regs_buff[AT_REGS_LEN/sizeof(u32) - 2] = (u32) phy_data;
atl1c_read_phy_reg(hw, MII_BMSR, &phy_data);
Annotation
- Immediate include surface: `linux/netdevice.h`, `linux/ethtool.h`, `linux/slab.h`, `atl1c.h`.
- Detected declarations: `function Copyright`, `function atl1c_set_link_ksettings`, `function atl1c_get_msglevel`, `function atl1c_set_msglevel`, `function atl1c_get_regs_len`, `function atl1c_get_regs`, `function atl1c_get_eeprom_len`, `function atl1c_get_eeprom`, `function atl1c_get_drvinfo`, `function atl1c_get_wol`.
- Atlas domain: Driver Families / drivers/net.
- Implementation status: source implementation candidate.
Implementation Notes
- This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
- Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
- Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.