drivers/net/ethernet/samsung/sxgbe/sxgbe_ethtool.c

Source file repositories/reference/linux-study-clean/drivers/net/ethernet/samsung/sxgbe/sxgbe_ethtool.c

File Facts

System
Linux kernel
Corpus path
drivers/net/ethernet/samsung/sxgbe/sxgbe_ethtool.c
Extension
.c
Size
11739 bytes
Lines
475
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 sxgbe_stats {
	char stat_string[ETH_GSTRING_LEN];
	int sizeof_stat;
	int stat_offset;
};

#define SXGBE_STAT(m)						\
{								\
	#m,							\
	sizeof_field(struct sxgbe_extra_stats, m),		\
	offsetof(struct sxgbe_priv_data, xstats.m)		\
}

static const struct sxgbe_stats sxgbe_gstrings_stats[] = {
	/* TX/RX IRQ events */
	SXGBE_STAT(tx_process_stopped_irq),
	SXGBE_STAT(tx_ctxt_desc_err),
	SXGBE_STAT(tx_threshold),
	SXGBE_STAT(rx_threshold),
	SXGBE_STAT(tx_pkt_n),
	SXGBE_STAT(rx_pkt_n),
	SXGBE_STAT(normal_irq_n),
	SXGBE_STAT(tx_normal_irq_n),
	SXGBE_STAT(rx_normal_irq_n),
	SXGBE_STAT(napi_poll),
	SXGBE_STAT(tx_clean),
	SXGBE_STAT(tx_reset_ic_bit),
	SXGBE_STAT(rx_process_stopped_irq),
	SXGBE_STAT(rx_underflow_irq),

	/* Bus access errors */
	SXGBE_STAT(fatal_bus_error_irq),
	SXGBE_STAT(tx_read_transfer_err),
	SXGBE_STAT(tx_write_transfer_err),
	SXGBE_STAT(tx_desc_access_err),
	SXGBE_STAT(tx_buffer_access_err),
	SXGBE_STAT(tx_data_transfer_err),
	SXGBE_STAT(rx_read_transfer_err),
	SXGBE_STAT(rx_write_transfer_err),
	SXGBE_STAT(rx_desc_access_err),
	SXGBE_STAT(rx_buffer_access_err),
	SXGBE_STAT(rx_data_transfer_err),

	/* EEE-LPI stats */
	SXGBE_STAT(tx_lpi_entry_n),
	SXGBE_STAT(tx_lpi_exit_n),
	SXGBE_STAT(rx_lpi_entry_n),
	SXGBE_STAT(rx_lpi_exit_n),
	SXGBE_STAT(eee_wakeup_error_n),

	/* RX specific */
	/* L2 error */
	SXGBE_STAT(rx_code_gmii_err),
	SXGBE_STAT(rx_watchdog_err),
	SXGBE_STAT(rx_crc_err),
	SXGBE_STAT(rx_gaint_pkt_err),
	SXGBE_STAT(ip_hdr_err),
	SXGBE_STAT(ip_payload_err),
	SXGBE_STAT(overflow_error),

	/* L2 Pkt type */
	SXGBE_STAT(len_pkt),
	SXGBE_STAT(mac_ctl_pkt),
	SXGBE_STAT(dcb_ctl_pkt),
	SXGBE_STAT(arp_pkt),
	SXGBE_STAT(oam_pkt),
	SXGBE_STAT(untag_okt),
	SXGBE_STAT(other_pkt),
	SXGBE_STAT(svlan_tag_pkt),
	SXGBE_STAT(cvlan_tag_pkt),
	SXGBE_STAT(dvlan_ocvlan_icvlan_pkt),
	SXGBE_STAT(dvlan_osvlan_isvlan_pkt),
	SXGBE_STAT(dvlan_osvlan_icvlan_pkt),
	SXGBE_STAT(dvan_ocvlan_icvlan_pkt),

	/* L3/L4 Pkt type */
	SXGBE_STAT(not_ip_pkt),
	SXGBE_STAT(ip4_tcp_pkt),
	SXGBE_STAT(ip4_udp_pkt),
	SXGBE_STAT(ip4_icmp_pkt),
	SXGBE_STAT(ip4_unknown_pkt),
	SXGBE_STAT(ip6_tcp_pkt),
	SXGBE_STAT(ip6_udp_pkt),
	SXGBE_STAT(ip6_icmp_pkt),
	SXGBE_STAT(ip6_unknown_pkt),

	/* Filter specific */
	SXGBE_STAT(vlan_filter_match),
	SXGBE_STAT(sa_filter_fail),
	SXGBE_STAT(da_filter_fail),

Annotation

Implementation Notes