drivers/net/ethernet/qlogic/netxen/netxen_nic_ethtool.c

Source file repositories/reference/linux-study-clean/drivers/net/ethernet/qlogic/netxen/netxen_nic_ethtool.c

File Facts

System
Linux kernel
Corpus path
drivers/net/ethernet/qlogic/netxen/netxen_nic_ethtool.c
Extension
.c
Size
26022 bytes
Lines
946
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.

Dependency Surface

Detected Declarations

Annotated Snippet

struct netxen_nic_stats {
	char stat_string[ETH_GSTRING_LEN];
	int sizeof_stat;
	int stat_offset;
};

#define NETXEN_NIC_STAT(m) sizeof(((struct netxen_adapter *)0)->m), \
			offsetof(struct netxen_adapter, m)

#define NETXEN_NIC_PORT_WINDOW 0x10000
#define NETXEN_NIC_INVALID_DATA 0xDEADBEEF

static const struct netxen_nic_stats netxen_nic_gstrings_stats[] = {
	{"xmit_called", NETXEN_NIC_STAT(stats.xmitcalled)},
	{"xmit_finished", NETXEN_NIC_STAT(stats.xmitfinished)},
	{"rx_dropped", NETXEN_NIC_STAT(stats.rxdropped)},
	{"tx_dropped", NETXEN_NIC_STAT(stats.txdropped)},
	{"csummed", NETXEN_NIC_STAT(stats.csummed)},
	{"rx_pkts", NETXEN_NIC_STAT(stats.rx_pkts)},
	{"lro_pkts", NETXEN_NIC_STAT(stats.lro_pkts)},
	{"rx_bytes", NETXEN_NIC_STAT(stats.rxbytes)},
	{"tx_bytes", NETXEN_NIC_STAT(stats.txbytes)},
};

#define NETXEN_NIC_STATS_LEN	ARRAY_SIZE(netxen_nic_gstrings_stats)

static const char netxen_nic_gstrings_test[][ETH_GSTRING_LEN] = {
	"Register_Test_on_offline",
	"Link_Test_on_offline"
};

#define NETXEN_NIC_TEST_LEN	ARRAY_SIZE(netxen_nic_gstrings_test)

#define NETXEN_NIC_REGS_COUNT 30
#define NETXEN_NIC_REGS_LEN (NETXEN_NIC_REGS_COUNT * sizeof(__le32))
#define NETXEN_MAX_EEPROM_LEN   1024

static int netxen_nic_get_eeprom_len(struct net_device *dev)
{
	return NETXEN_FLASH_TOTAL_SIZE;
}

static void
netxen_nic_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo)
{
	struct netxen_adapter *adapter = netdev_priv(dev);
	u32 fw_major = 0;
	u32 fw_minor = 0;
	u32 fw_build = 0;

	strscpy(drvinfo->driver, netxen_nic_driver_name,
		sizeof(drvinfo->driver));
	strscpy(drvinfo->version, NETXEN_NIC_LINUX_VERSIONID,
		sizeof(drvinfo->version));
	fw_major = NXRD32(adapter, NETXEN_FW_VERSION_MAJOR);
	fw_minor = NXRD32(adapter, NETXEN_FW_VERSION_MINOR);
	fw_build = NXRD32(adapter, NETXEN_FW_VERSION_SUB);
	snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
		"%d.%d.%d", fw_major, fw_minor, fw_build);

	strscpy(drvinfo->bus_info, pci_name(adapter->pdev),
		sizeof(drvinfo->bus_info));
}

static int
netxen_nic_get_link_ksettings(struct net_device *dev,
			      struct ethtool_link_ksettings *cmd)
{
	struct netxen_adapter *adapter = netdev_priv(dev);
	int check_sfp_module = 0;
	u32 supported, advertising;

	/* read which mode */
	if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
		supported = (SUPPORTED_10baseT_Half |
				   SUPPORTED_10baseT_Full |
				   SUPPORTED_100baseT_Half |
				   SUPPORTED_100baseT_Full |
				   SUPPORTED_1000baseT_Half |
				   SUPPORTED_1000baseT_Full);

		advertising = (ADVERTISED_100baseT_Half |
				     ADVERTISED_100baseT_Full |
				     ADVERTISED_1000baseT_Half |
				     ADVERTISED_1000baseT_Full);

		cmd->base.port = PORT_TP;

		cmd->base.speed = adapter->link_speed;
		cmd->base.duplex = adapter->link_duplex;

Annotation

Implementation Notes