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v6.13.7
  1/*
  2 * Copyright (c) 2013 Johannes Berg <johannes@sipsolutions.net>
  3 *
  4 *  This file is free software: you may copy, redistribute and/or modify it
  5 *  under the terms of the GNU General Public License as published by the
  6 *  Free Software Foundation, either version 2 of the License, or (at your
  7 *  option) any later version.
  8 *
  9 *  This file is distributed in the hope that it will be useful, but
 10 *  WITHOUT ANY WARRANTY; without even the implied warranty of
 11 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 12 *  General Public License for more details.
 13 *
 14 *  You should have received a copy of the GNU General Public License
 15 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 16 *
 17 * This file incorporates work covered by the following copyright and
 18 * permission notice:
 19 *
 20 * Copyright (c) 2012 Qualcomm Atheros, Inc.
 21 *
 22 * Permission to use, copy, modify, and/or distribute this software for any
 23 * purpose with or without fee is hereby granted, provided that the above
 24 * copyright notice and this permission notice appear in all copies.
 25 *
 26 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 27 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 28 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 29 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 30 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 31 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 32 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 33 */
 34
 35#include <linux/pci.h>
 36#include <linux/ip.h>
 37#include <linux/tcp.h>
 38#include <linux/netdevice.h>
 39#include <linux/etherdevice.h>
 40#include <linux/ethtool.h>
 41#include <linux/mdio.h>
 42#include <linux/interrupt.h>
 43#include <asm/byteorder.h>
 44
 45#include "alx.h"
 46#include "reg.h"
 47#include "hw.h"
 48
 49/* The order of these strings must match the order of the fields in
 50 * struct alx_hw_stats
 51 * See hw.h
 52 */
 53static const char alx_gstrings_stats[][ETH_GSTRING_LEN] = {
 54	"rx_packets",
 55	"rx_bcast_packets",
 56	"rx_mcast_packets",
 57	"rx_pause_packets",
 58	"rx_ctrl_packets",
 59	"rx_fcs_errors",
 60	"rx_length_errors",
 61	"rx_bytes",
 62	"rx_runt_packets",
 63	"rx_fragments",
 64	"rx_64B_or_less_packets",
 65	"rx_65B_to_127B_packets",
 66	"rx_128B_to_255B_packets",
 67	"rx_256B_to_511B_packets",
 68	"rx_512B_to_1023B_packets",
 69	"rx_1024B_to_1518B_packets",
 70	"rx_1519B_to_mtu_packets",
 71	"rx_oversize_packets",
 72	"rx_rxf_ov_drop_packets",
 73	"rx_rrd_ov_drop_packets",
 74	"rx_align_errors",
 75	"rx_bcast_bytes",
 76	"rx_mcast_bytes",
 77	"rx_address_errors",
 78	"tx_packets",
 79	"tx_bcast_packets",
 80	"tx_mcast_packets",
 81	"tx_pause_packets",
 82	"tx_exc_defer_packets",
 83	"tx_ctrl_packets",
 84	"tx_defer_packets",
 85	"tx_bytes",
 86	"tx_64B_or_less_packets",
 87	"tx_65B_to_127B_packets",
 88	"tx_128B_to_255B_packets",
 89	"tx_256B_to_511B_packets",
 90	"tx_512B_to_1023B_packets",
 91	"tx_1024B_to_1518B_packets",
 92	"tx_1519B_to_mtu_packets",
 93	"tx_single_collision",
 94	"tx_multiple_collisions",
 95	"tx_late_collision",
 96	"tx_abort_collision",
 97	"tx_underrun",
 98	"tx_trd_eop",
 99	"tx_length_errors",
100	"tx_trunc_packets",
101	"tx_bcast_bytes",
102	"tx_mcast_bytes",
103	"tx_update",
104};
105
106#define ALX_NUM_STATS ARRAY_SIZE(alx_gstrings_stats)
107
108
109static u32 alx_get_supported_speeds(struct alx_hw *hw)
110{
111	u32 supported = SUPPORTED_10baseT_Half |
112			SUPPORTED_10baseT_Full |
113			SUPPORTED_100baseT_Half |
114			SUPPORTED_100baseT_Full;
115
116	if (alx_hw_giga(hw))
117		supported |= SUPPORTED_1000baseT_Full;
118
119	BUILD_BUG_ON(SUPPORTED_10baseT_Half != ADVERTISED_10baseT_Half);
120	BUILD_BUG_ON(SUPPORTED_10baseT_Full != ADVERTISED_10baseT_Full);
121	BUILD_BUG_ON(SUPPORTED_100baseT_Half != ADVERTISED_100baseT_Half);
122	BUILD_BUG_ON(SUPPORTED_100baseT_Full != ADVERTISED_100baseT_Full);
123	BUILD_BUG_ON(SUPPORTED_1000baseT_Full != ADVERTISED_1000baseT_Full);
124
125	return supported;
126}
127
128static int alx_get_link_ksettings(struct net_device *netdev,
129				  struct ethtool_link_ksettings *cmd)
130{
131	struct alx_priv *alx = netdev_priv(netdev);
132	struct alx_hw *hw = &alx->hw;
133	u32 supported, advertising;
134
135	supported = SUPPORTED_Autoneg |
136			  SUPPORTED_TP |
137			  SUPPORTED_Pause |
138			  SUPPORTED_Asym_Pause;
139	if (alx_hw_giga(hw))
140		supported |= SUPPORTED_1000baseT_Full;
141	supported |= alx_get_supported_speeds(hw);
142
143	advertising = ADVERTISED_TP;
144	if (hw->adv_cfg & ADVERTISED_Autoneg)
145		advertising |= hw->adv_cfg;
146
147	cmd->base.port = PORT_TP;
148	cmd->base.phy_address = 0;
149
150	if (hw->adv_cfg & ADVERTISED_Autoneg)
151		cmd->base.autoneg = AUTONEG_ENABLE;
152	else
153		cmd->base.autoneg = AUTONEG_DISABLE;
154
155	if (hw->flowctrl & ALX_FC_ANEG && hw->adv_cfg & ADVERTISED_Autoneg) {
156		if (hw->flowctrl & ALX_FC_RX) {
157			advertising |= ADVERTISED_Pause;
158
159			if (!(hw->flowctrl & ALX_FC_TX))
160				advertising |= ADVERTISED_Asym_Pause;
161		} else if (hw->flowctrl & ALX_FC_TX) {
162			advertising |= ADVERTISED_Asym_Pause;
163		}
164	}
165
166	mutex_lock(&alx->mtx);
167	cmd->base.speed = hw->link_speed;
168	cmd->base.duplex = hw->duplex;
169	mutex_unlock(&alx->mtx);
170
171	ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
172						supported);
173	ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
174						advertising);
175
176	return 0;
177}
178
179static int alx_set_link_ksettings(struct net_device *netdev,
180				  const struct ethtool_link_ksettings *cmd)
181{
182	struct alx_priv *alx = netdev_priv(netdev);
183	struct alx_hw *hw = &alx->hw;
184	u32 adv_cfg;
185	u32 advertising;
186	int ret;
 
187
188	ethtool_convert_link_mode_to_legacy_u32(&advertising,
189						cmd->link_modes.advertising);
190
191	if (cmd->base.autoneg == AUTONEG_ENABLE) {
192		if (advertising & ~alx_get_supported_speeds(hw))
193			return -EINVAL;
194		adv_cfg = advertising | ADVERTISED_Autoneg;
195	} else {
196		adv_cfg = alx_speed_to_ethadv(cmd->base.speed,
197					      cmd->base.duplex);
198
199		if (!adv_cfg || adv_cfg == ADVERTISED_1000baseT_Full)
200			return -EINVAL;
201	}
202
203	hw->adv_cfg = adv_cfg;
204
205	mutex_lock(&alx->mtx);
206	ret = alx_setup_speed_duplex(hw, adv_cfg, hw->flowctrl);
207	mutex_unlock(&alx->mtx);
208
209	return ret;
210}
211
212static void alx_get_pauseparam(struct net_device *netdev,
213			       struct ethtool_pauseparam *pause)
214{
215	struct alx_priv *alx = netdev_priv(netdev);
216	struct alx_hw *hw = &alx->hw;
217
218	mutex_lock(&alx->mtx);
219	pause->autoneg = !!(hw->flowctrl & ALX_FC_ANEG &&
220			    hw->adv_cfg & ADVERTISED_Autoneg);
221	pause->tx_pause = !!(hw->flowctrl & ALX_FC_TX);
222	pause->rx_pause = !!(hw->flowctrl & ALX_FC_RX);
223	mutex_unlock(&alx->mtx);
224}
225
226
227static int alx_set_pauseparam(struct net_device *netdev,
228			      struct ethtool_pauseparam *pause)
229{
230	struct alx_priv *alx = netdev_priv(netdev);
231	struct alx_hw *hw = &alx->hw;
232	int err = 0;
233	bool reconfig_phy = false;
234	u8 fc = 0;
235
236	if (pause->tx_pause)
237		fc |= ALX_FC_TX;
238	if (pause->rx_pause)
239		fc |= ALX_FC_RX;
240	if (pause->autoneg)
241		fc |= ALX_FC_ANEG;
242
243	mutex_lock(&alx->mtx);
244
245	/* restart auto-neg for auto-mode */
246	if (hw->adv_cfg & ADVERTISED_Autoneg) {
247		if (!((fc ^ hw->flowctrl) & ALX_FC_ANEG))
248			reconfig_phy = true;
249		if (fc & hw->flowctrl & ALX_FC_ANEG &&
250		    (fc ^ hw->flowctrl) & (ALX_FC_RX | ALX_FC_TX))
251			reconfig_phy = true;
252	}
253
254	if (reconfig_phy) {
255		err = alx_setup_speed_duplex(hw, hw->adv_cfg, fc);
256		if (err) {
257			mutex_unlock(&alx->mtx);
258			return err;
259		}
260	}
261
262	/* flow control on mac */
263	if ((fc ^ hw->flowctrl) & (ALX_FC_RX | ALX_FC_TX))
264		alx_cfg_mac_flowcontrol(hw, fc);
265
266	hw->flowctrl = fc;
267	mutex_unlock(&alx->mtx);
268
269	return 0;
270}
271
272static u32 alx_get_msglevel(struct net_device *netdev)
273{
274	struct alx_priv *alx = netdev_priv(netdev);
275
276	return alx->msg_enable;
277}
278
279static void alx_set_msglevel(struct net_device *netdev, u32 data)
280{
281	struct alx_priv *alx = netdev_priv(netdev);
282
283	alx->msg_enable = data;
284}
285
286static void alx_get_ethtool_stats(struct net_device *netdev,
287				  struct ethtool_stats *estats, u64 *data)
288{
289	struct alx_priv *alx = netdev_priv(netdev);
290	struct alx_hw *hw = &alx->hw;
291
292	spin_lock(&alx->stats_lock);
293
294	alx_update_hw_stats(hw);
295	BUILD_BUG_ON(sizeof(hw->stats) != ALX_NUM_STATS * sizeof(u64));
296	memcpy(data, &hw->stats, sizeof(hw->stats));
 
297
298	spin_unlock(&alx->stats_lock);
299}
300
301static void alx_get_strings(struct net_device *netdev, u32 stringset, u8 *buf)
302{
303	switch (stringset) {
304	case ETH_SS_STATS:
305		memcpy(buf, &alx_gstrings_stats, sizeof(alx_gstrings_stats));
306		break;
307	default:
308		WARN_ON(1);
309		break;
310	}
311}
312
313static int alx_get_sset_count(struct net_device *netdev, int sset)
314{
315	switch (sset) {
316	case ETH_SS_STATS:
317		return ALX_NUM_STATS;
318	default:
319		return -EINVAL;
320	}
321}
322
323const struct ethtool_ops alx_ethtool_ops = {
324	.get_pauseparam	= alx_get_pauseparam,
325	.set_pauseparam	= alx_set_pauseparam,
326	.get_msglevel	= alx_get_msglevel,
327	.set_msglevel	= alx_set_msglevel,
328	.get_link	= ethtool_op_get_link,
329	.get_strings	= alx_get_strings,
330	.get_sset_count	= alx_get_sset_count,
331	.get_ethtool_stats	= alx_get_ethtool_stats,
332	.get_link_ksettings	= alx_get_link_ksettings,
333	.set_link_ksettings	= alx_set_link_ksettings,
334};
v5.4
  1/*
  2 * Copyright (c) 2013 Johannes Berg <johannes@sipsolutions.net>
  3 *
  4 *  This file is free software: you may copy, redistribute and/or modify it
  5 *  under the terms of the GNU General Public License as published by the
  6 *  Free Software Foundation, either version 2 of the License, or (at your
  7 *  option) any later version.
  8 *
  9 *  This file is distributed in the hope that it will be useful, but
 10 *  WITHOUT ANY WARRANTY; without even the implied warranty of
 11 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 12 *  General Public License for more details.
 13 *
 14 *  You should have received a copy of the GNU General Public License
 15 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 16 *
 17 * This file incorporates work covered by the following copyright and
 18 * permission notice:
 19 *
 20 * Copyright (c) 2012 Qualcomm Atheros, Inc.
 21 *
 22 * Permission to use, copy, modify, and/or distribute this software for any
 23 * purpose with or without fee is hereby granted, provided that the above
 24 * copyright notice and this permission notice appear in all copies.
 25 *
 26 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 27 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 28 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 29 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 30 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 31 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 32 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 33 */
 34
 35#include <linux/pci.h>
 36#include <linux/ip.h>
 37#include <linux/tcp.h>
 38#include <linux/netdevice.h>
 39#include <linux/etherdevice.h>
 40#include <linux/ethtool.h>
 41#include <linux/mdio.h>
 42#include <linux/interrupt.h>
 43#include <asm/byteorder.h>
 44
 45#include "alx.h"
 46#include "reg.h"
 47#include "hw.h"
 48
 49/* The order of these strings must match the order of the fields in
 50 * struct alx_hw_stats
 51 * See hw.h
 52 */
 53static const char alx_gstrings_stats[][ETH_GSTRING_LEN] = {
 54	"rx_packets",
 55	"rx_bcast_packets",
 56	"rx_mcast_packets",
 57	"rx_pause_packets",
 58	"rx_ctrl_packets",
 59	"rx_fcs_errors",
 60	"rx_length_errors",
 61	"rx_bytes",
 62	"rx_runt_packets",
 63	"rx_fragments",
 64	"rx_64B_or_less_packets",
 65	"rx_65B_to_127B_packets",
 66	"rx_128B_to_255B_packets",
 67	"rx_256B_to_511B_packets",
 68	"rx_512B_to_1023B_packets",
 69	"rx_1024B_to_1518B_packets",
 70	"rx_1519B_to_mtu_packets",
 71	"rx_oversize_packets",
 72	"rx_rxf_ov_drop_packets",
 73	"rx_rrd_ov_drop_packets",
 74	"rx_align_errors",
 75	"rx_bcast_bytes",
 76	"rx_mcast_bytes",
 77	"rx_address_errors",
 78	"tx_packets",
 79	"tx_bcast_packets",
 80	"tx_mcast_packets",
 81	"tx_pause_packets",
 82	"tx_exc_defer_packets",
 83	"tx_ctrl_packets",
 84	"tx_defer_packets",
 85	"tx_bytes",
 86	"tx_64B_or_less_packets",
 87	"tx_65B_to_127B_packets",
 88	"tx_128B_to_255B_packets",
 89	"tx_256B_to_511B_packets",
 90	"tx_512B_to_1023B_packets",
 91	"tx_1024B_to_1518B_packets",
 92	"tx_1519B_to_mtu_packets",
 93	"tx_single_collision",
 94	"tx_multiple_collisions",
 95	"tx_late_collision",
 96	"tx_abort_collision",
 97	"tx_underrun",
 98	"tx_trd_eop",
 99	"tx_length_errors",
100	"tx_trunc_packets",
101	"tx_bcast_bytes",
102	"tx_mcast_bytes",
103	"tx_update",
104};
105
106#define ALX_NUM_STATS ARRAY_SIZE(alx_gstrings_stats)
107
108
109static u32 alx_get_supported_speeds(struct alx_hw *hw)
110{
111	u32 supported = SUPPORTED_10baseT_Half |
112			SUPPORTED_10baseT_Full |
113			SUPPORTED_100baseT_Half |
114			SUPPORTED_100baseT_Full;
115
116	if (alx_hw_giga(hw))
117		supported |= SUPPORTED_1000baseT_Full;
118
119	BUILD_BUG_ON(SUPPORTED_10baseT_Half != ADVERTISED_10baseT_Half);
120	BUILD_BUG_ON(SUPPORTED_10baseT_Full != ADVERTISED_10baseT_Full);
121	BUILD_BUG_ON(SUPPORTED_100baseT_Half != ADVERTISED_100baseT_Half);
122	BUILD_BUG_ON(SUPPORTED_100baseT_Full != ADVERTISED_100baseT_Full);
123	BUILD_BUG_ON(SUPPORTED_1000baseT_Full != ADVERTISED_1000baseT_Full);
124
125	return supported;
126}
127
128static int alx_get_link_ksettings(struct net_device *netdev,
129				  struct ethtool_link_ksettings *cmd)
130{
131	struct alx_priv *alx = netdev_priv(netdev);
132	struct alx_hw *hw = &alx->hw;
133	u32 supported, advertising;
134
135	supported = SUPPORTED_Autoneg |
136			  SUPPORTED_TP |
137			  SUPPORTED_Pause |
138			  SUPPORTED_Asym_Pause;
139	if (alx_hw_giga(hw))
140		supported |= SUPPORTED_1000baseT_Full;
141	supported |= alx_get_supported_speeds(hw);
142
143	advertising = ADVERTISED_TP;
144	if (hw->adv_cfg & ADVERTISED_Autoneg)
145		advertising |= hw->adv_cfg;
146
147	cmd->base.port = PORT_TP;
148	cmd->base.phy_address = 0;
149
150	if (hw->adv_cfg & ADVERTISED_Autoneg)
151		cmd->base.autoneg = AUTONEG_ENABLE;
152	else
153		cmd->base.autoneg = AUTONEG_DISABLE;
154
155	if (hw->flowctrl & ALX_FC_ANEG && hw->adv_cfg & ADVERTISED_Autoneg) {
156		if (hw->flowctrl & ALX_FC_RX) {
157			advertising |= ADVERTISED_Pause;
158
159			if (!(hw->flowctrl & ALX_FC_TX))
160				advertising |= ADVERTISED_Asym_Pause;
161		} else if (hw->flowctrl & ALX_FC_TX) {
162			advertising |= ADVERTISED_Asym_Pause;
163		}
164	}
165
 
166	cmd->base.speed = hw->link_speed;
167	cmd->base.duplex = hw->duplex;
 
168
169	ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
170						supported);
171	ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
172						advertising);
173
174	return 0;
175}
176
177static int alx_set_link_ksettings(struct net_device *netdev,
178				  const struct ethtool_link_ksettings *cmd)
179{
180	struct alx_priv *alx = netdev_priv(netdev);
181	struct alx_hw *hw = &alx->hw;
182	u32 adv_cfg;
183	u32 advertising;
184
185	ASSERT_RTNL();
186
187	ethtool_convert_link_mode_to_legacy_u32(&advertising,
188						cmd->link_modes.advertising);
189
190	if (cmd->base.autoneg == AUTONEG_ENABLE) {
191		if (advertising & ~alx_get_supported_speeds(hw))
192			return -EINVAL;
193		adv_cfg = advertising | ADVERTISED_Autoneg;
194	} else {
195		adv_cfg = alx_speed_to_ethadv(cmd->base.speed,
196					      cmd->base.duplex);
197
198		if (!adv_cfg || adv_cfg == ADVERTISED_1000baseT_Full)
199			return -EINVAL;
200	}
201
202	hw->adv_cfg = adv_cfg;
203	return alx_setup_speed_duplex(hw, adv_cfg, hw->flowctrl);
 
 
 
 
 
204}
205
206static void alx_get_pauseparam(struct net_device *netdev,
207			       struct ethtool_pauseparam *pause)
208{
209	struct alx_priv *alx = netdev_priv(netdev);
210	struct alx_hw *hw = &alx->hw;
211
 
212	pause->autoneg = !!(hw->flowctrl & ALX_FC_ANEG &&
213			    hw->adv_cfg & ADVERTISED_Autoneg);
214	pause->tx_pause = !!(hw->flowctrl & ALX_FC_TX);
215	pause->rx_pause = !!(hw->flowctrl & ALX_FC_RX);
 
216}
217
218
219static int alx_set_pauseparam(struct net_device *netdev,
220			      struct ethtool_pauseparam *pause)
221{
222	struct alx_priv *alx = netdev_priv(netdev);
223	struct alx_hw *hw = &alx->hw;
224	int err = 0;
225	bool reconfig_phy = false;
226	u8 fc = 0;
227
228	if (pause->tx_pause)
229		fc |= ALX_FC_TX;
230	if (pause->rx_pause)
231		fc |= ALX_FC_RX;
232	if (pause->autoneg)
233		fc |= ALX_FC_ANEG;
234
235	ASSERT_RTNL();
236
237	/* restart auto-neg for auto-mode */
238	if (hw->adv_cfg & ADVERTISED_Autoneg) {
239		if (!((fc ^ hw->flowctrl) & ALX_FC_ANEG))
240			reconfig_phy = true;
241		if (fc & hw->flowctrl & ALX_FC_ANEG &&
242		    (fc ^ hw->flowctrl) & (ALX_FC_RX | ALX_FC_TX))
243			reconfig_phy = true;
244	}
245
246	if (reconfig_phy) {
247		err = alx_setup_speed_duplex(hw, hw->adv_cfg, fc);
248		if (err)
 
249			return err;
 
250	}
251
252	/* flow control on mac */
253	if ((fc ^ hw->flowctrl) & (ALX_FC_RX | ALX_FC_TX))
254		alx_cfg_mac_flowcontrol(hw, fc);
255
256	hw->flowctrl = fc;
 
257
258	return 0;
259}
260
261static u32 alx_get_msglevel(struct net_device *netdev)
262{
263	struct alx_priv *alx = netdev_priv(netdev);
264
265	return alx->msg_enable;
266}
267
268static void alx_set_msglevel(struct net_device *netdev, u32 data)
269{
270	struct alx_priv *alx = netdev_priv(netdev);
271
272	alx->msg_enable = data;
273}
274
275static void alx_get_ethtool_stats(struct net_device *netdev,
276				  struct ethtool_stats *estats, u64 *data)
277{
278	struct alx_priv *alx = netdev_priv(netdev);
279	struct alx_hw *hw = &alx->hw;
280
281	spin_lock(&alx->stats_lock);
282
283	alx_update_hw_stats(hw);
284	BUILD_BUG_ON(sizeof(hw->stats) - offsetof(struct alx_hw_stats, rx_ok) <
285		     ALX_NUM_STATS * sizeof(u64));
286	memcpy(data, &hw->stats.rx_ok, ALX_NUM_STATS * sizeof(u64));
287
288	spin_unlock(&alx->stats_lock);
289}
290
291static void alx_get_strings(struct net_device *netdev, u32 stringset, u8 *buf)
292{
293	switch (stringset) {
294	case ETH_SS_STATS:
295		memcpy(buf, &alx_gstrings_stats, sizeof(alx_gstrings_stats));
296		break;
297	default:
298		WARN_ON(1);
299		break;
300	}
301}
302
303static int alx_get_sset_count(struct net_device *netdev, int sset)
304{
305	switch (sset) {
306	case ETH_SS_STATS:
307		return ALX_NUM_STATS;
308	default:
309		return -EINVAL;
310	}
311}
312
313const struct ethtool_ops alx_ethtool_ops = {
314	.get_pauseparam	= alx_get_pauseparam,
315	.set_pauseparam	= alx_set_pauseparam,
316	.get_msglevel	= alx_get_msglevel,
317	.set_msglevel	= alx_set_msglevel,
318	.get_link	= ethtool_op_get_link,
319	.get_strings	= alx_get_strings,
320	.get_sset_count	= alx_get_sset_count,
321	.get_ethtool_stats	= alx_get_ethtool_stats,
322	.get_link_ksettings	= alx_get_link_ksettings,
323	.set_link_ksettings	= alx_set_link_ksettings,
324};