drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c

Source file repositories/reference/linux-study-clean/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c

File Facts

System
Linux kernel
Corpus path
drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c
Extension
.c
Size
9943 bytes
Lines
344
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 xgene_gstrings_stats {
	char name[ETH_GSTRING_LEN];
	int offset;
	u32 addr;
	u32 mask;
};

#define XGENE_STAT(m) { #m, offsetof(struct rtnl_link_stats64, m) }
#define XGENE_EXTD_STAT(s, a, m)		\
		{			\
		.name = #s,		\
		.addr = a ## _ADDR,	\
		.mask = m		\
		}

static const struct xgene_gstrings_stats gstrings_stats[] = {
	XGENE_STAT(rx_packets),
	XGENE_STAT(tx_packets),
	XGENE_STAT(rx_bytes),
	XGENE_STAT(tx_bytes),
	XGENE_STAT(rx_errors),
	XGENE_STAT(tx_errors),
	XGENE_STAT(rx_length_errors),
	XGENE_STAT(rx_crc_errors),
	XGENE_STAT(rx_frame_errors),
	XGENE_STAT(rx_fifo_errors)
};

static const struct xgene_gstrings_stats gstrings_extd_stats[] = {
	XGENE_EXTD_STAT(tx_rx_64b_frame_cntr, TR64, 31),
	XGENE_EXTD_STAT(tx_rx_127b_frame_cntr, TR127, 31),
	XGENE_EXTD_STAT(tx_rx_255b_frame_cntr, TR255, 31),
	XGENE_EXTD_STAT(tx_rx_511b_frame_cntr, TR511, 31),
	XGENE_EXTD_STAT(tx_rx_1023b_frame_cntr, TR1K, 31),
	XGENE_EXTD_STAT(tx_rx_1518b_frame_cntr, TRMAX, 31),
	XGENE_EXTD_STAT(tx_rx_1522b_frame_cntr, TRMGV, 31),
	XGENE_EXTD_STAT(rx_fcs_error_cntr, RFCS, 16),
	XGENE_EXTD_STAT(rx_multicast_pkt_cntr, RMCA, 31),
	XGENE_EXTD_STAT(rx_broadcast_pkt_cntr, RBCA, 31),
	XGENE_EXTD_STAT(rx_ctrl_frame_pkt_cntr, RXCF, 16),
	XGENE_EXTD_STAT(rx_pause_frame_pkt_cntr, RXPF, 16),
	XGENE_EXTD_STAT(rx_unk_opcode_cntr, RXUO, 16),
	XGENE_EXTD_STAT(rx_align_err_cntr, RALN, 16),
	XGENE_EXTD_STAT(rx_frame_len_err_cntr, RFLR, 16),
	XGENE_EXTD_STAT(rx_frame_len_err_recov_cntr, DUMP, 0),
	XGENE_EXTD_STAT(rx_code_err_cntr, RCDE, 16),
	XGENE_EXTD_STAT(rx_carrier_sense_err_cntr, RCSE, 16),
	XGENE_EXTD_STAT(rx_undersize_pkt_cntr, RUND, 16),
	XGENE_EXTD_STAT(rx_oversize_pkt_cntr, ROVR, 16),
	XGENE_EXTD_STAT(rx_fragments_cntr, RFRG, 16),
	XGENE_EXTD_STAT(rx_jabber_cntr, RJBR, 16),
	XGENE_EXTD_STAT(rx_jabber_recov_cntr, DUMP, 0),
	XGENE_EXTD_STAT(rx_dropped_pkt_cntr, RDRP, 16),
	XGENE_EXTD_STAT(rx_overrun_cntr, DUMP, 0),
	XGENE_EXTD_STAT(tx_multicast_pkt_cntr, TMCA, 31),
	XGENE_EXTD_STAT(tx_broadcast_pkt_cntr, TBCA, 31),
	XGENE_EXTD_STAT(tx_pause_ctrl_frame_cntr, TXPF, 16),
	XGENE_EXTD_STAT(tx_defer_pkt_cntr, TDFR, 31),
	XGENE_EXTD_STAT(tx_excv_defer_pkt_cntr, TEDF, 31),
	XGENE_EXTD_STAT(tx_single_col_pkt_cntr, TSCL, 31),
	XGENE_EXTD_STAT(tx_multi_col_pkt_cntr, TMCL, 31),
	XGENE_EXTD_STAT(tx_late_col_pkt_cntr, TLCL, 31),
	XGENE_EXTD_STAT(tx_excv_col_pkt_cntr, TXCL, 31),
	XGENE_EXTD_STAT(tx_total_col_cntr, TNCL, 31),
	XGENE_EXTD_STAT(tx_pause_frames_hnrd_cntr, TPFH, 16),
	XGENE_EXTD_STAT(tx_drop_frame_cntr, TDRP, 16),
	XGENE_EXTD_STAT(tx_jabber_frame_cntr, TJBR, 12),
	XGENE_EXTD_STAT(tx_fcs_error_cntr, TFCS, 12),
	XGENE_EXTD_STAT(tx_ctrl_frame_cntr, TXCF, 12),
	XGENE_EXTD_STAT(tx_oversize_frame_cntr, TOVR, 12),
	XGENE_EXTD_STAT(tx_undersize_frame_cntr, TUND, 12),
	XGENE_EXTD_STAT(tx_fragments_cntr, TFRG, 12),
	XGENE_EXTD_STAT(tx_underrun_cntr, DUMP, 0)
};

#define XGENE_STATS_LEN		ARRAY_SIZE(gstrings_stats)
#define XGENE_EXTD_STATS_LEN	ARRAY_SIZE(gstrings_extd_stats)
#define RFCS_IDX		7
#define RALN_IDX		13
#define RFLR_IDX		14
#define FALSE_RFLR_IDX		15
#define RUND_IDX		18
#define FALSE_RJBR_IDX		22
#define RX_OVERRUN_IDX		24
#define TFCS_IDX		38
#define TFRG_IDX		42
#define TX_UNDERRUN_IDX		43

static void xgene_get_drvinfo(struct net_device *ndev,
			      struct ethtool_drvinfo *info)

Annotation

Implementation Notes