drivers/net/ethernet/apm/xgene-v2/ethtool.c

Source file repositories/reference/linux-study-clean/drivers/net/ethernet/apm/xgene-v2/ethtool.c

File Facts

System
Linux kernel
Corpus path
drivers/net/ethernet/apm/xgene-v2/ethtool.c
Extension
.c
Size
4881 bytes
Lines
176
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

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Applied Micro X-Gene SoC Ethernet v2 Driver
 *
 * Copyright (c) 2017, Applied Micro Circuits Corporation
 * Author(s): Iyappan Subramanian <isubramanian@apm.com>
 *	      Keyur Chudgar <kchudgar@apm.com>
 */

#include "main.h"

#define XGE_STAT(m)		{ #m, offsetof(struct xge_pdata, stats.m) }
#define XGE_EXTD_STAT(m, n)					\
	{							\
		#m,						\
		n,						\
		0						\
	}

static const struct xge_gstrings_stats gstrings_stats[] = {
	XGE_STAT(rx_packets),
	XGE_STAT(tx_packets),
	XGE_STAT(rx_bytes),
	XGE_STAT(tx_bytes),
	XGE_STAT(rx_errors)
};

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

#define XGE_STATS_LEN		ARRAY_SIZE(gstrings_stats)
#define XGE_EXTD_STATS_LEN	ARRAY_SIZE(gstrings_extd_stats)

static void xge_mac_get_extd_stats(struct xge_pdata *pdata)
{
	u32 data;
	int i;

	for (i = 0; i < XGE_EXTD_STATS_LEN; i++) {
		data = xge_rd_csr(pdata, gstrings_extd_stats[i].addr);
		gstrings_extd_stats[i].value += data;
	}
}

static void xge_get_drvinfo(struct net_device *ndev,
			    struct ethtool_drvinfo *info)
{
	struct xge_pdata *pdata = netdev_priv(ndev);
	struct platform_device *pdev = pdata->pdev;

Annotation

Implementation Notes