drivers/net/ethernet/intel/e1000/e1000_ethtool.c

Source file repositories/reference/linux-study-clean/drivers/net/ethernet/intel/e1000/e1000_ethtool.c

File Facts

System
Linux kernel
Corpus path
drivers/net/ethernet/intel/e1000/e1000_ethtool.c
Extension
.c
Size
52651 bytes
Lines
1898
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 e1000_stats {
	char stat_string[ETH_GSTRING_LEN];
	int type;
	int sizeof_stat;
	int stat_offset;
};

#define E1000_STAT(m)		E1000_STATS, \
				sizeof(((struct e1000_adapter *)0)->m), \
				offsetof(struct e1000_adapter, m)
#define E1000_NETDEV_STAT(m)	NETDEV_STATS, \
				sizeof(((struct net_device *)0)->m), \
				offsetof(struct net_device, m)

static const struct e1000_stats e1000_gstrings_stats[] = {
	{ "rx_packets", E1000_STAT(stats.gprc) },
	{ "tx_packets", E1000_STAT(stats.gptc) },
	{ "rx_bytes", E1000_STAT(stats.gorcl) },
	{ "tx_bytes", E1000_STAT(stats.gotcl) },
	{ "rx_broadcast", E1000_STAT(stats.bprc) },
	{ "tx_broadcast", E1000_STAT(stats.bptc) },
	{ "rx_multicast", E1000_STAT(stats.mprc) },
	{ "tx_multicast", E1000_STAT(stats.mptc) },
	{ "rx_errors", E1000_STAT(stats.rxerrc) },
	{ "tx_errors", E1000_STAT(stats.txerrc) },
	{ "tx_dropped", E1000_NETDEV_STAT(stats.tx_dropped) },
	{ "multicast", E1000_STAT(stats.mprc) },
	{ "collisions", E1000_STAT(stats.colc) },
	{ "rx_length_errors", E1000_STAT(stats.rlerrc) },
	{ "rx_over_errors", E1000_NETDEV_STAT(stats.rx_over_errors) },
	{ "rx_crc_errors", E1000_STAT(stats.crcerrs) },
	{ "rx_frame_errors", E1000_NETDEV_STAT(stats.rx_frame_errors) },
	{ "rx_no_buffer_count", E1000_STAT(stats.rnbc) },
	{ "rx_missed_errors", E1000_STAT(stats.mpc) },
	{ "tx_aborted_errors", E1000_STAT(stats.ecol) },
	{ "tx_carrier_errors", E1000_STAT(stats.tncrs) },
	{ "tx_fifo_errors", E1000_NETDEV_STAT(stats.tx_fifo_errors) },
	{ "tx_heartbeat_errors", E1000_NETDEV_STAT(stats.tx_heartbeat_errors) },
	{ "tx_window_errors", E1000_STAT(stats.latecol) },
	{ "tx_abort_late_coll", E1000_STAT(stats.latecol) },
	{ "tx_deferred_ok", E1000_STAT(stats.dc) },
	{ "tx_single_coll_ok", E1000_STAT(stats.scc) },
	{ "tx_multi_coll_ok", E1000_STAT(stats.mcc) },
	{ "tx_timeout_count", E1000_STAT(tx_timeout_count) },
	{ "tx_restart_queue", E1000_STAT(restart_queue) },
	{ "rx_long_length_errors", E1000_STAT(stats.roc) },
	{ "rx_short_length_errors", E1000_STAT(stats.ruc) },
	{ "rx_align_errors", E1000_STAT(stats.algnerrc) },
	{ "tx_tcp_seg_good", E1000_STAT(stats.tsctc) },
	{ "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) },
	{ "rx_flow_control_xon", E1000_STAT(stats.xonrxc) },
	{ "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) },
	{ "tx_flow_control_xon", E1000_STAT(stats.xontxc) },
	{ "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) },
	{ "rx_long_byte_count", E1000_STAT(stats.gorcl) },
	{ "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
	{ "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },
	{ "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) },
	{ "tx_smbus", E1000_STAT(stats.mgptc) },
	{ "rx_smbus", E1000_STAT(stats.mgprc) },
	{ "dropped_smbus", E1000_STAT(stats.mgpdc) },
};

#define E1000_QUEUE_STATS_LEN 0
#define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats)
#define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN + E1000_QUEUE_STATS_LEN)
static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
	"Register test  (offline)", "Eeprom test    (offline)",
	"Interrupt test (offline)", "Loopback test  (offline)",
	"Link test   (on/offline)"
};

#define E1000_TEST_LEN	ARRAY_SIZE(e1000_gstrings_test)

static int e1000_get_link_ksettings(struct net_device *netdev,
				    struct ethtool_link_ksettings *cmd)
{
	struct e1000_adapter *adapter = netdev_priv(netdev);
	struct e1000_hw *hw = &adapter->hw;
	u32 supported, advertising;

	if (hw->media_type == e1000_media_type_copper) {
		supported = (SUPPORTED_10baseT_Half |
			     SUPPORTED_10baseT_Full |
			     SUPPORTED_100baseT_Half |
			     SUPPORTED_100baseT_Full |
			     SUPPORTED_1000baseT_Full|
			     SUPPORTED_Autoneg |
			     SUPPORTED_TP);
		advertising = ADVERTISED_TP;

Annotation

Implementation Notes