mirror of
				https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux
				synced 2025-11-04 16:52:06 +10:00 
			
		
		
		
	The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.
As I don't have the hardware, I'd be very pleased if
someone may test this patch.
Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
		
	
			
		
			
				
	
	
		
			314 lines
		
	
	
		
			8.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			314 lines
		
	
	
		
			8.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 *  FUJITSU Extended Socket Network Device driver
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 *  Copyright (c) 2015 FUJITSU LIMITED
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 *
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 * This program is free software; you can redistribute it and/or modify it
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 * under the terms and conditions of the GNU General Public License,
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 * version 2, as published by the Free Software Foundation.
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 *
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 * This program is distributed in the hope it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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 * more details.
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 *
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 * You should have received a copy of the GNU General Public License along with
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 * this program; if not, see <http://www.gnu.org/licenses/>.
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 *
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 * The full GNU General Public License is included in this distribution in
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 * the file called "COPYING".
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 *
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 */
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/* ethtool support for fjes */
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#include <linux/vmalloc.h>
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#include <linux/netdevice.h>
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#include <linux/ethtool.h>
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#include <linux/platform_device.h>
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#include "fjes.h"
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struct fjes_stats {
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	char stat_string[ETH_GSTRING_LEN];
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	int sizeof_stat;
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	int stat_offset;
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};
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#define FJES_STAT(name, stat) { \
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	.stat_string = name, \
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	.sizeof_stat = FIELD_SIZEOF(struct fjes_adapter, stat), \
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	.stat_offset = offsetof(struct fjes_adapter, stat) \
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}
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static const struct fjes_stats fjes_gstrings_stats[] = {
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	FJES_STAT("rx_packets", stats64.rx_packets),
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	FJES_STAT("tx_packets", stats64.tx_packets),
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	FJES_STAT("rx_bytes", stats64.rx_bytes),
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	FJES_STAT("tx_bytes", stats64.rx_bytes),
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	FJES_STAT("rx_dropped", stats64.rx_dropped),
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	FJES_STAT("tx_dropped", stats64.tx_dropped),
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};
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#define FJES_EP_STATS_LEN 14
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#define FJES_STATS_LEN \
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	(ARRAY_SIZE(fjes_gstrings_stats) + \
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	 ((&((struct fjes_adapter *)netdev_priv(netdev))->hw)->max_epid - 1) * \
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	 FJES_EP_STATS_LEN)
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static void fjes_get_ethtool_stats(struct net_device *netdev,
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				   struct ethtool_stats *stats, u64 *data)
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{
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	struct fjes_adapter *adapter = netdev_priv(netdev);
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	struct fjes_hw *hw = &adapter->hw;
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	int epidx;
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	char *p;
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	int i;
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	for (i = 0; i < ARRAY_SIZE(fjes_gstrings_stats); i++) {
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		p = (char *)adapter + fjes_gstrings_stats[i].stat_offset;
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		data[i] = (fjes_gstrings_stats[i].sizeof_stat == sizeof(u64))
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			? *(u64 *)p : *(u32 *)p;
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	}
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	for (epidx = 0; epidx < hw->max_epid; epidx++) {
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		if (epidx == hw->my_epid)
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			continue;
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		data[i++] = hw->ep_shm_info[epidx].ep_stats
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				.com_regist_buf_exec;
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		data[i++] = hw->ep_shm_info[epidx].ep_stats
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				.com_unregist_buf_exec;
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		data[i++] = hw->ep_shm_info[epidx].ep_stats.send_intr_rx;
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		data[i++] = hw->ep_shm_info[epidx].ep_stats.send_intr_unshare;
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		data[i++] = hw->ep_shm_info[epidx].ep_stats
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				.send_intr_zoneupdate;
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		data[i++] = hw->ep_shm_info[epidx].ep_stats.recv_intr_rx;
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		data[i++] = hw->ep_shm_info[epidx].ep_stats.recv_intr_unshare;
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		data[i++] = hw->ep_shm_info[epidx].ep_stats.recv_intr_stop;
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		data[i++] = hw->ep_shm_info[epidx].ep_stats
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				.recv_intr_zoneupdate;
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		data[i++] = hw->ep_shm_info[epidx].ep_stats.tx_buffer_full;
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		data[i++] = hw->ep_shm_info[epidx].ep_stats
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				.tx_dropped_not_shared;
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		data[i++] = hw->ep_shm_info[epidx].ep_stats
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				.tx_dropped_ver_mismatch;
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		data[i++] = hw->ep_shm_info[epidx].ep_stats
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				.tx_dropped_buf_size_mismatch;
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		data[i++] = hw->ep_shm_info[epidx].ep_stats
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				.tx_dropped_vlanid_mismatch;
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	}
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}
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static void fjes_get_strings(struct net_device *netdev,
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			     u32 stringset, u8 *data)
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{
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	struct fjes_adapter *adapter = netdev_priv(netdev);
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	struct fjes_hw *hw = &adapter->hw;
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	u8 *p = data;
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	int i;
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	switch (stringset) {
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	case ETH_SS_STATS:
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		for (i = 0; i < ARRAY_SIZE(fjes_gstrings_stats); i++) {
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			memcpy(p, fjes_gstrings_stats[i].stat_string,
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			       ETH_GSTRING_LEN);
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			p += ETH_GSTRING_LEN;
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		}
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		for (i = 0; i < hw->max_epid; i++) {
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			if (i == hw->my_epid)
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				continue;
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			sprintf(p, "ep%u_com_regist_buf_exec", i);
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			p += ETH_GSTRING_LEN;
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			sprintf(p, "ep%u_com_unregist_buf_exec", i);
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			p += ETH_GSTRING_LEN;
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			sprintf(p, "ep%u_send_intr_rx", i);
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			p += ETH_GSTRING_LEN;
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			sprintf(p, "ep%u_send_intr_unshare", i);
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			p += ETH_GSTRING_LEN;
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			sprintf(p, "ep%u_send_intr_zoneupdate", i);
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			p += ETH_GSTRING_LEN;
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			sprintf(p, "ep%u_recv_intr_rx", i);
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			p += ETH_GSTRING_LEN;
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			sprintf(p, "ep%u_recv_intr_unshare", i);
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			p += ETH_GSTRING_LEN;
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			sprintf(p, "ep%u_recv_intr_stop", i);
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			p += ETH_GSTRING_LEN;
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			sprintf(p, "ep%u_recv_intr_zoneupdate", i);
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			p += ETH_GSTRING_LEN;
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			sprintf(p, "ep%u_tx_buffer_full", i);
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			p += ETH_GSTRING_LEN;
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			sprintf(p, "ep%u_tx_dropped_not_shared", i);
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			p += ETH_GSTRING_LEN;
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			sprintf(p, "ep%u_tx_dropped_ver_mismatch", i);
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			p += ETH_GSTRING_LEN;
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			sprintf(p, "ep%u_tx_dropped_buf_size_mismatch", i);
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			p += ETH_GSTRING_LEN;
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			sprintf(p, "ep%u_tx_dropped_vlanid_mismatch", i);
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			p += ETH_GSTRING_LEN;
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		}
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		break;
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	}
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}
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static int fjes_get_sset_count(struct net_device *netdev, int sset)
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{
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	switch (sset) {
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	case ETH_SS_STATS:
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		return FJES_STATS_LEN;
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	default:
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		return -EOPNOTSUPP;
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	}
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}
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static void fjes_get_drvinfo(struct net_device *netdev,
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			     struct ethtool_drvinfo *drvinfo)
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{
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	struct fjes_adapter *adapter = netdev_priv(netdev);
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	struct platform_device *plat_dev;
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	plat_dev = adapter->plat_dev;
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	strlcpy(drvinfo->driver, fjes_driver_name, sizeof(drvinfo->driver));
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	strlcpy(drvinfo->version, fjes_driver_version,
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		sizeof(drvinfo->version));
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	strlcpy(drvinfo->fw_version, "none", sizeof(drvinfo->fw_version));
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	snprintf(drvinfo->bus_info, sizeof(drvinfo->bus_info),
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		 "platform:%s", plat_dev->name);
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}
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static int fjes_get_link_ksettings(struct net_device *netdev,
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				   struct ethtool_link_ksettings *ecmd)
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{
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	ethtool_link_ksettings_zero_link_mode(ecmd, supported);
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	ethtool_link_ksettings_zero_link_mode(ecmd, advertising);
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	ecmd->base.duplex = DUPLEX_FULL;
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	ecmd->base.autoneg = AUTONEG_DISABLE;
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	ecmd->base.port = PORT_NONE;
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	ecmd->base.speed = 20000;	/* 20Gb/s */
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	return 0;
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}
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static int fjes_get_regs_len(struct net_device *netdev)
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{
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#define FJES_REGS_LEN	37
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	return FJES_REGS_LEN * sizeof(u32);
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}
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static void fjes_get_regs(struct net_device *netdev,
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			  struct ethtool_regs *regs, void *p)
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{
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	struct fjes_adapter *adapter = netdev_priv(netdev);
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	struct fjes_hw *hw = &adapter->hw;
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	u32 *regs_buff = p;
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	memset(p, 0, FJES_REGS_LEN * sizeof(u32));
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	regs->version = 1;
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	/* Information registers */
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	regs_buff[0] = rd32(XSCT_OWNER_EPID);
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	regs_buff[1] = rd32(XSCT_MAX_EP);
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	/* Device Control registers */
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	regs_buff[4] = rd32(XSCT_DCTL);
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	/* Command Control registers */
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	regs_buff[8] = rd32(XSCT_CR);
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	regs_buff[9] = rd32(XSCT_CS);
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	regs_buff[10] = rd32(XSCT_SHSTSAL);
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	regs_buff[11] = rd32(XSCT_SHSTSAH);
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	regs_buff[13] = rd32(XSCT_REQBL);
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	regs_buff[14] = rd32(XSCT_REQBAL);
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	regs_buff[15] = rd32(XSCT_REQBAH);
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	regs_buff[17] = rd32(XSCT_RESPBL);
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	regs_buff[18] = rd32(XSCT_RESPBAL);
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	regs_buff[19] = rd32(XSCT_RESPBAH);
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	/* Interrupt Control registers */
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	regs_buff[32] = rd32(XSCT_IS);
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	regs_buff[33] = rd32(XSCT_IMS);
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	regs_buff[34] = rd32(XSCT_IMC);
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	regs_buff[35] = rd32(XSCT_IG);
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	regs_buff[36] = rd32(XSCT_ICTL);
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}
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static int fjes_set_dump(struct net_device *netdev, struct ethtool_dump *dump)
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{
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	struct fjes_adapter *adapter = netdev_priv(netdev);
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	struct fjes_hw *hw = &adapter->hw;
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	int ret = 0;
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	if (dump->flag) {
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		if (hw->debug_mode)
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			return -EPERM;
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		hw->debug_mode = dump->flag;
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		/* enable debug mode */
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		mutex_lock(&hw->hw_info.lock);
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		ret = fjes_hw_start_debug(hw);
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		mutex_unlock(&hw->hw_info.lock);
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		if (ret)
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			hw->debug_mode = 0;
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	} else {
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		if (!hw->debug_mode)
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			return -EPERM;
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		/* disable debug mode */
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		mutex_lock(&hw->hw_info.lock);
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		ret = fjes_hw_stop_debug(hw);
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		mutex_unlock(&hw->hw_info.lock);
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	}
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	return ret;
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}
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static int fjes_get_dump_flag(struct net_device *netdev,
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			      struct ethtool_dump *dump)
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{
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	struct fjes_adapter *adapter = netdev_priv(netdev);
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	struct fjes_hw *hw = &adapter->hw;
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	dump->len = hw->hw_info.trace_size;
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	dump->version = 1;
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	dump->flag = hw->debug_mode;
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	return 0;
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}
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static int fjes_get_dump_data(struct net_device *netdev,
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			      struct ethtool_dump *dump, void *buf)
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{
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	struct fjes_adapter *adapter = netdev_priv(netdev);
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	struct fjes_hw *hw = &adapter->hw;
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	int ret = 0;
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	if (hw->hw_info.trace)
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		memcpy(buf, hw->hw_info.trace, hw->hw_info.trace_size);
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	else
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		ret = -EPERM;
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	return ret;
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}
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static const struct ethtool_ops fjes_ethtool_ops = {
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		.get_drvinfo		= fjes_get_drvinfo,
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		.get_ethtool_stats = fjes_get_ethtool_stats,
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		.get_strings      = fjes_get_strings,
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		.get_sset_count   = fjes_get_sset_count,
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		.get_regs		= fjes_get_regs,
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		.get_regs_len		= fjes_get_regs_len,
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		.set_dump		= fjes_set_dump,
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		.get_dump_flag		= fjes_get_dump_flag,
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		.get_dump_data		= fjes_get_dump_data,
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		.get_link_ksettings	= fjes_get_link_ksettings,
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};
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void fjes_set_ethtool_ops(struct net_device *netdev)
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{
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	netdev->ethtool_ops = &fjes_ethtool_ops;
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}
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