1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (c) 2018, Intel Corporation. */
3 
4 /* ethtool support for ice */
5 
6 #include "ice.h"
7 #include "ice_flow.h"
8 #include "ice_fltr.h"
9 #include "ice_lib.h"
10 #include "ice_dcb_lib.h"
11 #include <net/dcbnl.h>
12 
13 struct ice_stats {
14 	char stat_string[ETH_GSTRING_LEN];
15 	int sizeof_stat;
16 	int stat_offset;
17 };
18 
19 #define ICE_STAT(_type, _name, _stat) { \
20 	.stat_string = _name, \
21 	.sizeof_stat = sizeof_field(_type, _stat), \
22 	.stat_offset = offsetof(_type, _stat) \
23 }
24 
25 #define ICE_VSI_STAT(_name, _stat) \
26 		ICE_STAT(struct ice_vsi, _name, _stat)
27 #define ICE_PF_STAT(_name, _stat) \
28 		ICE_STAT(struct ice_pf, _name, _stat)
29 
30 static int ice_q_stats_len(struct net_device *netdev)
31 {
32 	struct ice_netdev_priv *np = netdev_priv(netdev);
33 
34 	return ((np->vsi->alloc_txq + np->vsi->alloc_rxq) *
35 		(sizeof(struct ice_q_stats) / sizeof(u64)));
36 }
37 
38 #define ICE_PF_STATS_LEN	ARRAY_SIZE(ice_gstrings_pf_stats)
39 #define ICE_VSI_STATS_LEN	ARRAY_SIZE(ice_gstrings_vsi_stats)
40 
41 #define ICE_PFC_STATS_LEN ( \
42 		(sizeof_field(struct ice_pf, stats.priority_xoff_rx) + \
43 		 sizeof_field(struct ice_pf, stats.priority_xon_rx) + \
44 		 sizeof_field(struct ice_pf, stats.priority_xoff_tx) + \
45 		 sizeof_field(struct ice_pf, stats.priority_xon_tx)) \
46 		 / sizeof(u64))
47 #define ICE_ALL_STATS_LEN(n)	(ICE_PF_STATS_LEN + ICE_PFC_STATS_LEN + \
48 				 ICE_VSI_STATS_LEN + ice_q_stats_len(n))
49 
50 static const struct ice_stats ice_gstrings_vsi_stats[] = {
51 	ICE_VSI_STAT("rx_unicast", eth_stats.rx_unicast),
52 	ICE_VSI_STAT("tx_unicast", eth_stats.tx_unicast),
53 	ICE_VSI_STAT("rx_multicast", eth_stats.rx_multicast),
54 	ICE_VSI_STAT("tx_multicast", eth_stats.tx_multicast),
55 	ICE_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast),
56 	ICE_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast),
57 	ICE_VSI_STAT("rx_bytes", eth_stats.rx_bytes),
58 	ICE_VSI_STAT("tx_bytes", eth_stats.tx_bytes),
59 	ICE_VSI_STAT("rx_dropped", eth_stats.rx_discards),
60 	ICE_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol),
61 	ICE_VSI_STAT("rx_alloc_fail", rx_buf_failed),
62 	ICE_VSI_STAT("rx_pg_alloc_fail", rx_page_failed),
63 	ICE_VSI_STAT("tx_errors", eth_stats.tx_errors),
64 	ICE_VSI_STAT("tx_linearize", tx_linearize),
65 	ICE_VSI_STAT("tx_busy", tx_busy),
66 	ICE_VSI_STAT("tx_restart", tx_restart),
67 };
68 
69 enum ice_ethtool_test_id {
70 	ICE_ETH_TEST_REG = 0,
71 	ICE_ETH_TEST_EEPROM,
72 	ICE_ETH_TEST_INTR,
73 	ICE_ETH_TEST_LOOP,
74 	ICE_ETH_TEST_LINK,
75 };
76 
77 static const char ice_gstrings_test[][ETH_GSTRING_LEN] = {
78 	"Register test  (offline)",
79 	"EEPROM test    (offline)",
80 	"Interrupt test (offline)",
81 	"Loopback test  (offline)",
82 	"Link test   (on/offline)",
83 };
84 
85 #define ICE_TEST_LEN (sizeof(ice_gstrings_test) / ETH_GSTRING_LEN)
86 
87 /* These PF_STATs might look like duplicates of some NETDEV_STATs,
88  * but they aren't. This device is capable of supporting multiple
89  * VSIs/netdevs on a single PF. The NETDEV_STATs are for individual
90  * netdevs whereas the PF_STATs are for the physical function that's
91  * hosting these netdevs.
92  *
93  * The PF_STATs are appended to the netdev stats only when ethtool -S
94  * is queried on the base PF netdev.
95  */
96 static const struct ice_stats ice_gstrings_pf_stats[] = {
97 	ICE_PF_STAT("rx_bytes.nic", stats.eth.rx_bytes),
98 	ICE_PF_STAT("tx_bytes.nic", stats.eth.tx_bytes),
99 	ICE_PF_STAT("rx_unicast.nic", stats.eth.rx_unicast),
100 	ICE_PF_STAT("tx_unicast.nic", stats.eth.tx_unicast),
101 	ICE_PF_STAT("rx_multicast.nic", stats.eth.rx_multicast),
102 	ICE_PF_STAT("tx_multicast.nic", stats.eth.tx_multicast),
103 	ICE_PF_STAT("rx_broadcast.nic", stats.eth.rx_broadcast),
104 	ICE_PF_STAT("tx_broadcast.nic", stats.eth.tx_broadcast),
105 	ICE_PF_STAT("tx_errors.nic", stats.eth.tx_errors),
106 	ICE_PF_STAT("tx_timeout.nic", tx_timeout_count),
107 	ICE_PF_STAT("rx_size_64.nic", stats.rx_size_64),
108 	ICE_PF_STAT("tx_size_64.nic", stats.tx_size_64),
109 	ICE_PF_STAT("rx_size_127.nic", stats.rx_size_127),
110 	ICE_PF_STAT("tx_size_127.nic", stats.tx_size_127),
111 	ICE_PF_STAT("rx_size_255.nic", stats.rx_size_255),
112 	ICE_PF_STAT("tx_size_255.nic", stats.tx_size_255),
113 	ICE_PF_STAT("rx_size_511.nic", stats.rx_size_511),
114 	ICE_PF_STAT("tx_size_511.nic", stats.tx_size_511),
115 	ICE_PF_STAT("rx_size_1023.nic", stats.rx_size_1023),
116 	ICE_PF_STAT("tx_size_1023.nic", stats.tx_size_1023),
117 	ICE_PF_STAT("rx_size_1522.nic", stats.rx_size_1522),
118 	ICE_PF_STAT("tx_size_1522.nic", stats.tx_size_1522),
119 	ICE_PF_STAT("rx_size_big.nic", stats.rx_size_big),
120 	ICE_PF_STAT("tx_size_big.nic", stats.tx_size_big),
121 	ICE_PF_STAT("link_xon_rx.nic", stats.link_xon_rx),
122 	ICE_PF_STAT("link_xon_tx.nic", stats.link_xon_tx),
123 	ICE_PF_STAT("link_xoff_rx.nic", stats.link_xoff_rx),
124 	ICE_PF_STAT("link_xoff_tx.nic", stats.link_xoff_tx),
125 	ICE_PF_STAT("tx_dropped_link_down.nic", stats.tx_dropped_link_down),
126 	ICE_PF_STAT("rx_undersize.nic", stats.rx_undersize),
127 	ICE_PF_STAT("rx_fragments.nic", stats.rx_fragments),
128 	ICE_PF_STAT("rx_oversize.nic", stats.rx_oversize),
129 	ICE_PF_STAT("rx_jabber.nic", stats.rx_jabber),
130 	ICE_PF_STAT("rx_csum_bad.nic", hw_csum_rx_error),
131 	ICE_PF_STAT("rx_length_errors.nic", stats.rx_len_errors),
132 	ICE_PF_STAT("rx_dropped.nic", stats.eth.rx_discards),
133 	ICE_PF_STAT("rx_crc_errors.nic", stats.crc_errors),
134 	ICE_PF_STAT("illegal_bytes.nic", stats.illegal_bytes),
135 	ICE_PF_STAT("mac_local_faults.nic", stats.mac_local_faults),
136 	ICE_PF_STAT("mac_remote_faults.nic", stats.mac_remote_faults),
137 	ICE_PF_STAT("fdir_sb_match.nic", stats.fd_sb_match),
138 	ICE_PF_STAT("fdir_sb_status.nic", stats.fd_sb_status),
139 };
140 
141 static const u32 ice_regs_dump_list[] = {
142 	PFGEN_STATE,
143 	PRTGEN_STATUS,
144 	QRX_CTRL(0),
145 	QINT_TQCTL(0),
146 	QINT_RQCTL(0),
147 	PFINT_OICR_ENA,
148 	QRX_ITR(0),
149 };
150 
151 struct ice_priv_flag {
152 	char name[ETH_GSTRING_LEN];
153 	u32 bitno;			/* bit position in pf->flags */
154 };
155 
156 #define ICE_PRIV_FLAG(_name, _bitno) { \
157 	.name = _name, \
158 	.bitno = _bitno, \
159 }
160 
161 static const struct ice_priv_flag ice_gstrings_priv_flags[] = {
162 	ICE_PRIV_FLAG("link-down-on-close", ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA),
163 	ICE_PRIV_FLAG("fw-lldp-agent", ICE_FLAG_FW_LLDP_AGENT),
164 	ICE_PRIV_FLAG("vf-true-promisc-support",
165 		      ICE_FLAG_VF_TRUE_PROMISC_ENA),
166 	ICE_PRIV_FLAG("mdd-auto-reset-vf", ICE_FLAG_MDD_AUTO_RESET_VF),
167 	ICE_PRIV_FLAG("legacy-rx", ICE_FLAG_LEGACY_RX),
168 };
169 
170 #define ICE_PRIV_FLAG_ARRAY_SIZE	ARRAY_SIZE(ice_gstrings_priv_flags)
171 
172 static void
173 ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
174 {
175 	struct ice_netdev_priv *np = netdev_priv(netdev);
176 	struct ice_vsi *vsi = np->vsi;
177 	struct ice_pf *pf = vsi->back;
178 	struct ice_hw *hw = &pf->hw;
179 	struct ice_orom_info *orom;
180 	struct ice_nvm_info *nvm;
181 
182 	nvm = &hw->flash.nvm;
183 	orom = &hw->flash.orom;
184 
185 	strscpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver));
186 
187 	/* Display NVM version (from which the firmware version can be
188 	 * determined) which contains more pertinent information.
189 	 */
190 	snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
191 		 "%x.%02x 0x%x %d.%d.%d", nvm->major, nvm->minor,
192 		 nvm->eetrack, orom->major, orom->build, orom->patch);
193 
194 	strscpy(drvinfo->bus_info, pci_name(pf->pdev),
195 		sizeof(drvinfo->bus_info));
196 	drvinfo->n_priv_flags = ICE_PRIV_FLAG_ARRAY_SIZE;
197 }
198 
199 static int ice_get_regs_len(struct net_device __always_unused *netdev)
200 {
201 	return sizeof(ice_regs_dump_list);
202 }
203 
204 static void
205 ice_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p)
206 {
207 	struct ice_netdev_priv *np = netdev_priv(netdev);
208 	struct ice_pf *pf = np->vsi->back;
209 	struct ice_hw *hw = &pf->hw;
210 	u32 *regs_buf = (u32 *)p;
211 	unsigned int i;
212 
213 	regs->version = 1;
214 
215 	for (i = 0; i < ARRAY_SIZE(ice_regs_dump_list); ++i)
216 		regs_buf[i] = rd32(hw, ice_regs_dump_list[i]);
217 }
218 
219 static u32 ice_get_msglevel(struct net_device *netdev)
220 {
221 	struct ice_netdev_priv *np = netdev_priv(netdev);
222 	struct ice_pf *pf = np->vsi->back;
223 
224 #ifndef CONFIG_DYNAMIC_DEBUG
225 	if (pf->hw.debug_mask)
226 		netdev_info(netdev, "hw debug_mask: 0x%llX\n",
227 			    pf->hw.debug_mask);
228 #endif /* !CONFIG_DYNAMIC_DEBUG */
229 
230 	return pf->msg_enable;
231 }
232 
233 static void ice_set_msglevel(struct net_device *netdev, u32 data)
234 {
235 	struct ice_netdev_priv *np = netdev_priv(netdev);
236 	struct ice_pf *pf = np->vsi->back;
237 
238 #ifndef CONFIG_DYNAMIC_DEBUG
239 	if (ICE_DBG_USER & data)
240 		pf->hw.debug_mask = data;
241 	else
242 		pf->msg_enable = data;
243 #else
244 	pf->msg_enable = data;
245 #endif /* !CONFIG_DYNAMIC_DEBUG */
246 }
247 
248 static int ice_get_eeprom_len(struct net_device *netdev)
249 {
250 	struct ice_netdev_priv *np = netdev_priv(netdev);
251 	struct ice_pf *pf = np->vsi->back;
252 
253 	return (int)pf->hw.flash.flash_size;
254 }
255 
256 static int
257 ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
258 	       u8 *bytes)
259 {
260 	struct ice_netdev_priv *np = netdev_priv(netdev);
261 	struct ice_vsi *vsi = np->vsi;
262 	struct ice_pf *pf = vsi->back;
263 	struct ice_hw *hw = &pf->hw;
264 	enum ice_status status;
265 	struct device *dev;
266 	int ret = 0;
267 	u8 *buf;
268 
269 	dev = ice_pf_to_dev(pf);
270 
271 	eeprom->magic = hw->vendor_id | (hw->device_id << 16);
272 	netdev_dbg(netdev, "GEEPROM cmd 0x%08x, offset 0x%08x, len 0x%08x\n",
273 		   eeprom->cmd, eeprom->offset, eeprom->len);
274 
275 	buf = kzalloc(eeprom->len, GFP_KERNEL);
276 	if (!buf)
277 		return -ENOMEM;
278 
279 	status = ice_acquire_nvm(hw, ICE_RES_READ);
280 	if (status) {
281 		dev_err(dev, "ice_acquire_nvm failed, err %s aq_err %s\n",
282 			ice_stat_str(status),
283 			ice_aq_str(hw->adminq.sq_last_status));
284 		ret = -EIO;
285 		goto out;
286 	}
287 
288 	status = ice_read_flat_nvm(hw, eeprom->offset, &eeprom->len, buf,
289 				   false);
290 	if (status) {
291 		dev_err(dev, "ice_read_flat_nvm failed, err %s aq_err %s\n",
292 			ice_stat_str(status),
293 			ice_aq_str(hw->adminq.sq_last_status));
294 		ret = -EIO;
295 		goto release;
296 	}
297 
298 	memcpy(bytes, buf, eeprom->len);
299 release:
300 	ice_release_nvm(hw);
301 out:
302 	kfree(buf);
303 	return ret;
304 }
305 
306 /**
307  * ice_active_vfs - check if there are any active VFs
308  * @pf: board private structure
309  *
310  * Returns true if an active VF is found, otherwise returns false
311  */
312 static bool ice_active_vfs(struct ice_pf *pf)
313 {
314 	unsigned int i;
315 
316 	ice_for_each_vf(pf, i) {
317 		struct ice_vf *vf = &pf->vf[i];
318 
319 		if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states))
320 			return true;
321 	}
322 
323 	return false;
324 }
325 
326 /**
327  * ice_link_test - perform a link test on a given net_device
328  * @netdev: network interface device structure
329  *
330  * This function performs one of the self-tests required by ethtool.
331  * Returns 0 on success, non-zero on failure.
332  */
333 static u64 ice_link_test(struct net_device *netdev)
334 {
335 	struct ice_netdev_priv *np = netdev_priv(netdev);
336 	enum ice_status status;
337 	bool link_up = false;
338 
339 	netdev_info(netdev, "link test\n");
340 	status = ice_get_link_status(np->vsi->port_info, &link_up);
341 	if (status) {
342 		netdev_err(netdev, "link query error, status = %s\n",
343 			   ice_stat_str(status));
344 		return 1;
345 	}
346 
347 	if (!link_up)
348 		return 2;
349 
350 	return 0;
351 }
352 
353 /**
354  * ice_eeprom_test - perform an EEPROM test on a given net_device
355  * @netdev: network interface device structure
356  *
357  * This function performs one of the self-tests required by ethtool.
358  * Returns 0 on success, non-zero on failure.
359  */
360 static u64 ice_eeprom_test(struct net_device *netdev)
361 {
362 	struct ice_netdev_priv *np = netdev_priv(netdev);
363 	struct ice_pf *pf = np->vsi->back;
364 
365 	netdev_info(netdev, "EEPROM test\n");
366 	return !!(ice_nvm_validate_checksum(&pf->hw));
367 }
368 
369 /**
370  * ice_reg_pattern_test
371  * @hw: pointer to the HW struct
372  * @reg: reg to be tested
373  * @mask: bits to be touched
374  */
375 static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask)
376 {
377 	struct ice_pf *pf = (struct ice_pf *)hw->back;
378 	struct device *dev = ice_pf_to_dev(pf);
379 	static const u32 patterns[] = {
380 		0x5A5A5A5A, 0xA5A5A5A5,
381 		0x00000000, 0xFFFFFFFF
382 	};
383 	u32 val, orig_val;
384 	unsigned int i;
385 
386 	orig_val = rd32(hw, reg);
387 	for (i = 0; i < ARRAY_SIZE(patterns); ++i) {
388 		u32 pattern = patterns[i] & mask;
389 
390 		wr32(hw, reg, pattern);
391 		val = rd32(hw, reg);
392 		if (val == pattern)
393 			continue;
394 		dev_err(dev, "%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n"
395 			, __func__, reg, pattern, val);
396 		return 1;
397 	}
398 
399 	wr32(hw, reg, orig_val);
400 	val = rd32(hw, reg);
401 	if (val != orig_val) {
402 		dev_err(dev, "%s: reg restore test failed - reg 0x%08x orig 0x%08x val 0x%08x\n"
403 			, __func__, reg, orig_val, val);
404 		return 1;
405 	}
406 
407 	return 0;
408 }
409 
410 /**
411  * ice_reg_test - perform a register test on a given net_device
412  * @netdev: network interface device structure
413  *
414  * This function performs one of the self-tests required by ethtool.
415  * Returns 0 on success, non-zero on failure.
416  */
417 static u64 ice_reg_test(struct net_device *netdev)
418 {
419 	struct ice_netdev_priv *np = netdev_priv(netdev);
420 	struct ice_hw *hw = np->vsi->port_info->hw;
421 	u32 int_elements = hw->func_caps.common_cap.num_msix_vectors ?
422 		hw->func_caps.common_cap.num_msix_vectors - 1 : 1;
423 	struct ice_diag_reg_test_info {
424 		u32 address;
425 		u32 mask;
426 		u32 elem_num;
427 		u32 elem_size;
428 	} ice_reg_list[] = {
429 		{GLINT_ITR(0, 0), 0x00000fff, int_elements,
430 			GLINT_ITR(0, 1) - GLINT_ITR(0, 0)},
431 		{GLINT_ITR(1, 0), 0x00000fff, int_elements,
432 			GLINT_ITR(1, 1) - GLINT_ITR(1, 0)},
433 		{GLINT_ITR(0, 0), 0x00000fff, int_elements,
434 			GLINT_ITR(2, 1) - GLINT_ITR(2, 0)},
435 		{GLINT_CTL, 0xffff0001, 1, 0}
436 	};
437 	unsigned int i;
438 
439 	netdev_dbg(netdev, "Register test\n");
440 	for (i = 0; i < ARRAY_SIZE(ice_reg_list); ++i) {
441 		u32 j;
442 
443 		for (j = 0; j < ice_reg_list[i].elem_num; ++j) {
444 			u32 mask = ice_reg_list[i].mask;
445 			u32 reg = ice_reg_list[i].address +
446 				(j * ice_reg_list[i].elem_size);
447 
448 			/* bail on failure (non-zero return) */
449 			if (ice_reg_pattern_test(hw, reg, mask))
450 				return 1;
451 		}
452 	}
453 
454 	return 0;
455 }
456 
457 /**
458  * ice_lbtest_prepare_rings - configure Tx/Rx test rings
459  * @vsi: pointer to the VSI structure
460  *
461  * Function configures rings of a VSI for loopback test without
462  * enabling interrupts or informing the kernel about new queues.
463  *
464  * Returns 0 on success, negative on failure.
465  */
466 static int ice_lbtest_prepare_rings(struct ice_vsi *vsi)
467 {
468 	int status;
469 
470 	status = ice_vsi_setup_tx_rings(vsi);
471 	if (status)
472 		goto err_setup_tx_ring;
473 
474 	status = ice_vsi_setup_rx_rings(vsi);
475 	if (status)
476 		goto err_setup_rx_ring;
477 
478 	status = ice_vsi_cfg(vsi);
479 	if (status)
480 		goto err_setup_rx_ring;
481 
482 	status = ice_vsi_start_all_rx_rings(vsi);
483 	if (status)
484 		goto err_start_rx_ring;
485 
486 	return status;
487 
488 err_start_rx_ring:
489 	ice_vsi_free_rx_rings(vsi);
490 err_setup_rx_ring:
491 	ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0);
492 err_setup_tx_ring:
493 	ice_vsi_free_tx_rings(vsi);
494 
495 	return status;
496 }
497 
498 /**
499  * ice_lbtest_disable_rings - disable Tx/Rx test rings after loopback test
500  * @vsi: pointer to the VSI structure
501  *
502  * Function stops and frees VSI rings after a loopback test.
503  * Returns 0 on success, negative on failure.
504  */
505 static int ice_lbtest_disable_rings(struct ice_vsi *vsi)
506 {
507 	int status;
508 
509 	status = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0);
510 	if (status)
511 		netdev_err(vsi->netdev, "Failed to stop Tx rings, VSI %d error %d\n",
512 			   vsi->vsi_num, status);
513 
514 	status = ice_vsi_stop_all_rx_rings(vsi);
515 	if (status)
516 		netdev_err(vsi->netdev, "Failed to stop Rx rings, VSI %d error %d\n",
517 			   vsi->vsi_num, status);
518 
519 	ice_vsi_free_tx_rings(vsi);
520 	ice_vsi_free_rx_rings(vsi);
521 
522 	return status;
523 }
524 
525 /**
526  * ice_lbtest_create_frame - create test packet
527  * @pf: pointer to the PF structure
528  * @ret_data: allocated frame buffer
529  * @size: size of the packet data
530  *
531  * Function allocates a frame with a test pattern on specific offsets.
532  * Returns 0 on success, non-zero on failure.
533  */
534 static int ice_lbtest_create_frame(struct ice_pf *pf, u8 **ret_data, u16 size)
535 {
536 	u8 *data;
537 
538 	if (!pf)
539 		return -EINVAL;
540 
541 	data = devm_kzalloc(ice_pf_to_dev(pf), size, GFP_KERNEL);
542 	if (!data)
543 		return -ENOMEM;
544 
545 	/* Since the ethernet test frame should always be at least
546 	 * 64 bytes long, fill some octets in the payload with test data.
547 	 */
548 	memset(data, 0xFF, size);
549 	data[32] = 0xDE;
550 	data[42] = 0xAD;
551 	data[44] = 0xBE;
552 	data[46] = 0xEF;
553 
554 	*ret_data = data;
555 
556 	return 0;
557 }
558 
559 /**
560  * ice_lbtest_check_frame - verify received loopback frame
561  * @frame: pointer to the raw packet data
562  *
563  * Function verifies received test frame with a pattern.
564  * Returns true if frame matches the pattern, false otherwise.
565  */
566 static bool ice_lbtest_check_frame(u8 *frame)
567 {
568 	/* Validate bytes of a frame under offsets chosen earlier */
569 	if (frame[32] == 0xDE &&
570 	    frame[42] == 0xAD &&
571 	    frame[44] == 0xBE &&
572 	    frame[46] == 0xEF &&
573 	    frame[48] == 0xFF)
574 		return true;
575 
576 	return false;
577 }
578 
579 /**
580  * ice_diag_send - send test frames to the test ring
581  * @tx_ring: pointer to the transmit ring
582  * @data: pointer to the raw packet data
583  * @size: size of the packet to send
584  *
585  * Function sends loopback packets on a test Tx ring.
586  */
587 static int ice_diag_send(struct ice_ring *tx_ring, u8 *data, u16 size)
588 {
589 	struct ice_tx_desc *tx_desc;
590 	struct ice_tx_buf *tx_buf;
591 	dma_addr_t dma;
592 	u64 td_cmd;
593 
594 	tx_desc = ICE_TX_DESC(tx_ring, tx_ring->next_to_use);
595 	tx_buf = &tx_ring->tx_buf[tx_ring->next_to_use];
596 
597 	dma = dma_map_single(tx_ring->dev, data, size, DMA_TO_DEVICE);
598 	if (dma_mapping_error(tx_ring->dev, dma))
599 		return -EINVAL;
600 
601 	tx_desc->buf_addr = cpu_to_le64(dma);
602 
603 	/* These flags are required for a descriptor to be pushed out */
604 	td_cmd = (u64)(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS);
605 	tx_desc->cmd_type_offset_bsz =
606 		cpu_to_le64(ICE_TX_DESC_DTYPE_DATA |
607 			    (td_cmd << ICE_TXD_QW1_CMD_S) |
608 			    ((u64)0 << ICE_TXD_QW1_OFFSET_S) |
609 			    ((u64)size << ICE_TXD_QW1_TX_BUF_SZ_S) |
610 			    ((u64)0 << ICE_TXD_QW1_L2TAG1_S));
611 
612 	tx_buf->next_to_watch = tx_desc;
613 
614 	/* Force memory write to complete before letting h/w know
615 	 * there are new descriptors to fetch.
616 	 */
617 	wmb();
618 
619 	tx_ring->next_to_use++;
620 	if (tx_ring->next_to_use >= tx_ring->count)
621 		tx_ring->next_to_use = 0;
622 
623 	writel_relaxed(tx_ring->next_to_use, tx_ring->tail);
624 
625 	/* Wait until the packets get transmitted to the receive queue. */
626 	usleep_range(1000, 2000);
627 	dma_unmap_single(tx_ring->dev, dma, size, DMA_TO_DEVICE);
628 
629 	return 0;
630 }
631 
632 #define ICE_LB_FRAME_SIZE 64
633 /**
634  * ice_lbtest_receive_frames - receive and verify test frames
635  * @rx_ring: pointer to the receive ring
636  *
637  * Function receives loopback packets and verify their correctness.
638  * Returns number of received valid frames.
639  */
640 static int ice_lbtest_receive_frames(struct ice_ring *rx_ring)
641 {
642 	struct ice_rx_buf *rx_buf;
643 	int valid_frames, i;
644 	u8 *received_buf;
645 
646 	valid_frames = 0;
647 
648 	for (i = 0; i < rx_ring->count; i++) {
649 		union ice_32b_rx_flex_desc *rx_desc;
650 
651 		rx_desc = ICE_RX_DESC(rx_ring, i);
652 
653 		if (!(rx_desc->wb.status_error0 &
654 		    cpu_to_le16(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS)))
655 			continue;
656 
657 		rx_buf = &rx_ring->rx_buf[i];
658 		received_buf = page_address(rx_buf->page) + rx_buf->page_offset;
659 
660 		if (ice_lbtest_check_frame(received_buf))
661 			valid_frames++;
662 	}
663 
664 	return valid_frames;
665 }
666 
667 /**
668  * ice_loopback_test - perform a loopback test on a given net_device
669  * @netdev: network interface device structure
670  *
671  * This function performs one of the self-tests required by ethtool.
672  * Returns 0 on success, non-zero on failure.
673  */
674 static u64 ice_loopback_test(struct net_device *netdev)
675 {
676 	struct ice_netdev_priv *np = netdev_priv(netdev);
677 	struct ice_vsi *orig_vsi = np->vsi, *test_vsi;
678 	struct ice_pf *pf = orig_vsi->back;
679 	struct ice_ring *tx_ring, *rx_ring;
680 	u8 broadcast[ETH_ALEN], ret = 0;
681 	int num_frames, valid_frames;
682 	struct device *dev;
683 	u8 *tx_frame;
684 	int i;
685 
686 	dev = ice_pf_to_dev(pf);
687 	netdev_info(netdev, "loopback test\n");
688 
689 	test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info);
690 	if (!test_vsi) {
691 		netdev_err(netdev, "Failed to create a VSI for the loopback test\n");
692 		return 1;
693 	}
694 
695 	test_vsi->netdev = netdev;
696 	tx_ring = test_vsi->tx_rings[0];
697 	rx_ring = test_vsi->rx_rings[0];
698 
699 	if (ice_lbtest_prepare_rings(test_vsi)) {
700 		ret = 2;
701 		goto lbtest_vsi_close;
702 	}
703 
704 	if (ice_alloc_rx_bufs(rx_ring, rx_ring->count)) {
705 		ret = 3;
706 		goto lbtest_rings_dis;
707 	}
708 
709 	/* Enable MAC loopback in firmware */
710 	if (ice_aq_set_mac_loopback(&pf->hw, true, NULL)) {
711 		ret = 4;
712 		goto lbtest_mac_dis;
713 	}
714 
715 	/* Test VSI needs to receive broadcast packets */
716 	eth_broadcast_addr(broadcast);
717 	if (ice_fltr_add_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) {
718 		ret = 5;
719 		goto lbtest_mac_dis;
720 	}
721 
722 	if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) {
723 		ret = 7;
724 		goto remove_mac_filters;
725 	}
726 
727 	num_frames = min_t(int, tx_ring->count, 32);
728 	for (i = 0; i < num_frames; i++) {
729 		if (ice_diag_send(tx_ring, tx_frame, ICE_LB_FRAME_SIZE)) {
730 			ret = 8;
731 			goto lbtest_free_frame;
732 		}
733 	}
734 
735 	valid_frames = ice_lbtest_receive_frames(rx_ring);
736 	if (!valid_frames)
737 		ret = 9;
738 	else if (valid_frames != num_frames)
739 		ret = 10;
740 
741 lbtest_free_frame:
742 	devm_kfree(dev, tx_frame);
743 remove_mac_filters:
744 	if (ice_fltr_remove_mac(test_vsi, broadcast, ICE_FWD_TO_VSI))
745 		netdev_err(netdev, "Could not remove MAC filter for the test VSI\n");
746 lbtest_mac_dis:
747 	/* Disable MAC loopback after the test is completed. */
748 	if (ice_aq_set_mac_loopback(&pf->hw, false, NULL))
749 		netdev_err(netdev, "Could not disable MAC loopback\n");
750 lbtest_rings_dis:
751 	if (ice_lbtest_disable_rings(test_vsi))
752 		netdev_err(netdev, "Could not disable test rings\n");
753 lbtest_vsi_close:
754 	test_vsi->netdev = NULL;
755 	if (ice_vsi_release(test_vsi))
756 		netdev_err(netdev, "Failed to remove the test VSI\n");
757 
758 	return ret;
759 }
760 
761 /**
762  * ice_intr_test - perform an interrupt test on a given net_device
763  * @netdev: network interface device structure
764  *
765  * This function performs one of the self-tests required by ethtool.
766  * Returns 0 on success, non-zero on failure.
767  */
768 static u64 ice_intr_test(struct net_device *netdev)
769 {
770 	struct ice_netdev_priv *np = netdev_priv(netdev);
771 	struct ice_pf *pf = np->vsi->back;
772 	u16 swic_old = pf->sw_int_count;
773 
774 	netdev_info(netdev, "interrupt test\n");
775 
776 	wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_idx),
777 	     GLINT_DYN_CTL_SW_ITR_INDX_M |
778 	     GLINT_DYN_CTL_INTENA_MSK_M |
779 	     GLINT_DYN_CTL_SWINT_TRIG_M);
780 
781 	usleep_range(1000, 2000);
782 	return (swic_old == pf->sw_int_count);
783 }
784 
785 /**
786  * ice_self_test - handler function for performing a self-test by ethtool
787  * @netdev: network interface device structure
788  * @eth_test: ethtool_test structure
789  * @data: required by ethtool.self_test
790  *
791  * This function is called after invoking 'ethtool -t devname' command where
792  * devname is the name of the network device on which ethtool should operate.
793  * It performs a set of self-tests to check if a device works properly.
794  */
795 static void
796 ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test,
797 	      u64 *data)
798 {
799 	struct ice_netdev_priv *np = netdev_priv(netdev);
800 	bool if_running = netif_running(netdev);
801 	struct ice_pf *pf = np->vsi->back;
802 	struct device *dev;
803 
804 	dev = ice_pf_to_dev(pf);
805 
806 	if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
807 		netdev_info(netdev, "offline testing starting\n");
808 
809 		set_bit(ICE_TESTING, pf->state);
810 
811 		if (ice_active_vfs(pf)) {
812 			dev_warn(dev, "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n");
813 			data[ICE_ETH_TEST_REG] = 1;
814 			data[ICE_ETH_TEST_EEPROM] = 1;
815 			data[ICE_ETH_TEST_INTR] = 1;
816 			data[ICE_ETH_TEST_LOOP] = 1;
817 			data[ICE_ETH_TEST_LINK] = 1;
818 			eth_test->flags |= ETH_TEST_FL_FAILED;
819 			clear_bit(ICE_TESTING, pf->state);
820 			goto skip_ol_tests;
821 		}
822 		/* If the device is online then take it offline */
823 		if (if_running)
824 			/* indicate we're in test mode */
825 			ice_stop(netdev);
826 
827 		data[ICE_ETH_TEST_LINK] = ice_link_test(netdev);
828 		data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev);
829 		data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev);
830 		data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev);
831 		data[ICE_ETH_TEST_REG] = ice_reg_test(netdev);
832 
833 		if (data[ICE_ETH_TEST_LINK] ||
834 		    data[ICE_ETH_TEST_EEPROM] ||
835 		    data[ICE_ETH_TEST_LOOP] ||
836 		    data[ICE_ETH_TEST_INTR] ||
837 		    data[ICE_ETH_TEST_REG])
838 			eth_test->flags |= ETH_TEST_FL_FAILED;
839 
840 		clear_bit(ICE_TESTING, pf->state);
841 
842 		if (if_running) {
843 			int status = ice_open(netdev);
844 
845 			if (status) {
846 				dev_err(dev, "Could not open device %s, err %d\n",
847 					pf->int_name, status);
848 			}
849 		}
850 	} else {
851 		/* Online tests */
852 		netdev_info(netdev, "online testing starting\n");
853 
854 		data[ICE_ETH_TEST_LINK] = ice_link_test(netdev);
855 		if (data[ICE_ETH_TEST_LINK])
856 			eth_test->flags |= ETH_TEST_FL_FAILED;
857 
858 		/* Offline only tests, not run in online; pass by default */
859 		data[ICE_ETH_TEST_REG] = 0;
860 		data[ICE_ETH_TEST_EEPROM] = 0;
861 		data[ICE_ETH_TEST_INTR] = 0;
862 		data[ICE_ETH_TEST_LOOP] = 0;
863 	}
864 
865 skip_ol_tests:
866 	netdev_info(netdev, "testing finished\n");
867 }
868 
869 static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
870 {
871 	struct ice_netdev_priv *np = netdev_priv(netdev);
872 	struct ice_vsi *vsi = np->vsi;
873 	unsigned int i;
874 	u8 *p = data;
875 
876 	switch (stringset) {
877 	case ETH_SS_STATS:
878 		for (i = 0; i < ICE_VSI_STATS_LEN; i++)
879 			ethtool_sprintf(&p,
880 					ice_gstrings_vsi_stats[i].stat_string);
881 
882 		ice_for_each_alloc_txq(vsi, i) {
883 			ethtool_sprintf(&p, "tx_queue_%u_packets", i);
884 			ethtool_sprintf(&p, "tx_queue_%u_bytes", i);
885 		}
886 
887 		ice_for_each_alloc_rxq(vsi, i) {
888 			ethtool_sprintf(&p, "rx_queue_%u_packets", i);
889 			ethtool_sprintf(&p, "rx_queue_%u_bytes", i);
890 		}
891 
892 		if (vsi->type != ICE_VSI_PF)
893 			return;
894 
895 		for (i = 0; i < ICE_PF_STATS_LEN; i++)
896 			ethtool_sprintf(&p,
897 					ice_gstrings_pf_stats[i].stat_string);
898 
899 		for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
900 			ethtool_sprintf(&p, "tx_priority_%u_xon.nic", i);
901 			ethtool_sprintf(&p, "tx_priority_%u_xoff.nic", i);
902 		}
903 		for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
904 			ethtool_sprintf(&p, "rx_priority_%u_xon.nic", i);
905 			ethtool_sprintf(&p, "rx_priority_%u_xoff.nic", i);
906 		}
907 		break;
908 	case ETH_SS_TEST:
909 		memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN);
910 		break;
911 	case ETH_SS_PRIV_FLAGS:
912 		for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++)
913 			ethtool_sprintf(&p, ice_gstrings_priv_flags[i].name);
914 		break;
915 	default:
916 		break;
917 	}
918 }
919 
920 static int
921 ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state)
922 {
923 	struct ice_netdev_priv *np = netdev_priv(netdev);
924 	bool led_active;
925 
926 	switch (state) {
927 	case ETHTOOL_ID_ACTIVE:
928 		led_active = true;
929 		break;
930 	case ETHTOOL_ID_INACTIVE:
931 		led_active = false;
932 		break;
933 	default:
934 		return -EINVAL;
935 	}
936 
937 	if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL))
938 		return -EIO;
939 
940 	return 0;
941 }
942 
943 /**
944  * ice_set_fec_cfg - Set link FEC options
945  * @netdev: network interface device structure
946  * @req_fec: FEC mode to configure
947  */
948 static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec)
949 {
950 	struct ice_netdev_priv *np = netdev_priv(netdev);
951 	struct ice_aqc_set_phy_cfg_data config = { 0 };
952 	struct ice_vsi *vsi = np->vsi;
953 	struct ice_port_info *pi;
954 
955 	pi = vsi->port_info;
956 	if (!pi)
957 		return -EOPNOTSUPP;
958 
959 	/* Changing the FEC parameters is not supported if not the PF VSI */
960 	if (vsi->type != ICE_VSI_PF) {
961 		netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n");
962 		return -EOPNOTSUPP;
963 	}
964 
965 	/* Proceed only if requesting different FEC mode */
966 	if (pi->phy.curr_user_fec_req == req_fec)
967 		return 0;
968 
969 	/* Copy the current user PHY configuration. The current user PHY
970 	 * configuration is initialized during probe from PHY capabilities
971 	 * software mode, and updated on set PHY configuration.
972 	 */
973 	memcpy(&config, &pi->phy.curr_user_phy_cfg, sizeof(config));
974 
975 	ice_cfg_phy_fec(pi, &config, req_fec);
976 	config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
977 
978 	if (ice_aq_set_phy_cfg(pi->hw, pi, &config, NULL))
979 		return -EAGAIN;
980 
981 	/* Save requested FEC config */
982 	pi->phy.curr_user_fec_req = req_fec;
983 
984 	return 0;
985 }
986 
987 /**
988  * ice_set_fecparam - Set FEC link options
989  * @netdev: network interface device structure
990  * @fecparam: Ethtool structure to retrieve FEC parameters
991  */
992 static int
993 ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam)
994 {
995 	struct ice_netdev_priv *np = netdev_priv(netdev);
996 	struct ice_vsi *vsi = np->vsi;
997 	enum ice_fec_mode fec;
998 
999 	switch (fecparam->fec) {
1000 	case ETHTOOL_FEC_AUTO:
1001 		fec = ICE_FEC_AUTO;
1002 		break;
1003 	case ETHTOOL_FEC_RS:
1004 		fec = ICE_FEC_RS;
1005 		break;
1006 	case ETHTOOL_FEC_BASER:
1007 		fec = ICE_FEC_BASER;
1008 		break;
1009 	case ETHTOOL_FEC_OFF:
1010 	case ETHTOOL_FEC_NONE:
1011 		fec = ICE_FEC_NONE;
1012 		break;
1013 	default:
1014 		dev_warn(ice_pf_to_dev(vsi->back), "Unsupported FEC mode: %d\n",
1015 			 fecparam->fec);
1016 		return -EINVAL;
1017 	}
1018 
1019 	return ice_set_fec_cfg(netdev, fec);
1020 }
1021 
1022 /**
1023  * ice_get_fecparam - Get link FEC options
1024  * @netdev: network interface device structure
1025  * @fecparam: Ethtool structure to retrieve FEC parameters
1026  */
1027 static int
1028 ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam)
1029 {
1030 	struct ice_netdev_priv *np = netdev_priv(netdev);
1031 	struct ice_aqc_get_phy_caps_data *caps;
1032 	struct ice_link_status *link_info;
1033 	struct ice_vsi *vsi = np->vsi;
1034 	struct ice_port_info *pi;
1035 	enum ice_status status;
1036 	int err = 0;
1037 
1038 	pi = vsi->port_info;
1039 
1040 	if (!pi)
1041 		return -EOPNOTSUPP;
1042 	link_info = &pi->phy.link_info;
1043 
1044 	/* Set FEC mode based on negotiated link info */
1045 	switch (link_info->fec_info) {
1046 	case ICE_AQ_LINK_25G_KR_FEC_EN:
1047 		fecparam->active_fec = ETHTOOL_FEC_BASER;
1048 		break;
1049 	case ICE_AQ_LINK_25G_RS_528_FEC_EN:
1050 	case ICE_AQ_LINK_25G_RS_544_FEC_EN:
1051 		fecparam->active_fec = ETHTOOL_FEC_RS;
1052 		break;
1053 	default:
1054 		fecparam->active_fec = ETHTOOL_FEC_OFF;
1055 		break;
1056 	}
1057 
1058 	caps = kzalloc(sizeof(*caps), GFP_KERNEL);
1059 	if (!caps)
1060 		return -ENOMEM;
1061 
1062 	status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA,
1063 				     caps, NULL);
1064 	if (status) {
1065 		err = -EAGAIN;
1066 		goto done;
1067 	}
1068 
1069 	/* Set supported/configured FEC modes based on PHY capability */
1070 	if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC)
1071 		fecparam->fec |= ETHTOOL_FEC_AUTO;
1072 	if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN ||
1073 	    caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ ||
1074 	    caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN ||
1075 	    caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ)
1076 		fecparam->fec |= ETHTOOL_FEC_BASER;
1077 	if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ ||
1078 	    caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ ||
1079 	    caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN)
1080 		fecparam->fec |= ETHTOOL_FEC_RS;
1081 	if (caps->link_fec_options == 0)
1082 		fecparam->fec |= ETHTOOL_FEC_OFF;
1083 
1084 done:
1085 	kfree(caps);
1086 	return err;
1087 }
1088 
1089 /**
1090  * ice_nway_reset - restart autonegotiation
1091  * @netdev: network interface device structure
1092  */
1093 static int ice_nway_reset(struct net_device *netdev)
1094 {
1095 	struct ice_netdev_priv *np = netdev_priv(netdev);
1096 	struct ice_vsi *vsi = np->vsi;
1097 	int err;
1098 
1099 	/* If VSI state is up, then restart autoneg with link up */
1100 	if (!test_bit(ICE_DOWN, vsi->back->state))
1101 		err = ice_set_link(vsi, true);
1102 	else
1103 		err = ice_set_link(vsi, false);
1104 
1105 	return err;
1106 }
1107 
1108 /**
1109  * ice_get_priv_flags - report device private flags
1110  * @netdev: network interface device structure
1111  *
1112  * The get string set count and the string set should be matched for each
1113  * flag returned.  Add new strings for each flag to the ice_gstrings_priv_flags
1114  * array.
1115  *
1116  * Returns a u32 bitmap of flags.
1117  */
1118 static u32 ice_get_priv_flags(struct net_device *netdev)
1119 {
1120 	struct ice_netdev_priv *np = netdev_priv(netdev);
1121 	struct ice_vsi *vsi = np->vsi;
1122 	struct ice_pf *pf = vsi->back;
1123 	u32 i, ret_flags = 0;
1124 
1125 	for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {
1126 		const struct ice_priv_flag *priv_flag;
1127 
1128 		priv_flag = &ice_gstrings_priv_flags[i];
1129 
1130 		if (test_bit(priv_flag->bitno, pf->flags))
1131 			ret_flags |= BIT(i);
1132 	}
1133 
1134 	return ret_flags;
1135 }
1136 
1137 /**
1138  * ice_set_priv_flags - set private flags
1139  * @netdev: network interface device structure
1140  * @flags: bit flags to be set
1141  */
1142 static int ice_set_priv_flags(struct net_device *netdev, u32 flags)
1143 {
1144 	struct ice_netdev_priv *np = netdev_priv(netdev);
1145 	DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS);
1146 	DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS);
1147 	struct ice_vsi *vsi = np->vsi;
1148 	struct ice_pf *pf = vsi->back;
1149 	struct device *dev;
1150 	int ret = 0;
1151 	u32 i;
1152 
1153 	if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE))
1154 		return -EINVAL;
1155 
1156 	dev = ice_pf_to_dev(pf);
1157 	set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags);
1158 
1159 	bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS);
1160 	for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {
1161 		const struct ice_priv_flag *priv_flag;
1162 
1163 		priv_flag = &ice_gstrings_priv_flags[i];
1164 
1165 		if (flags & BIT(i))
1166 			set_bit(priv_flag->bitno, pf->flags);
1167 		else
1168 			clear_bit(priv_flag->bitno, pf->flags);
1169 	}
1170 
1171 	bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS);
1172 
1173 	/* Do not allow change to link-down-on-close when Total Port Shutdown
1174 	 * is enabled.
1175 	 */
1176 	if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, change_flags) &&
1177 	    test_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags)) {
1178 		dev_err(dev, "Setting link-down-on-close not supported on this port\n");
1179 		set_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags);
1180 		ret = -EINVAL;
1181 		goto ethtool_exit;
1182 	}
1183 
1184 	if (test_bit(ICE_FLAG_FW_LLDP_AGENT, change_flags)) {
1185 		if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) {
1186 			enum ice_status status;
1187 
1188 			/* Disable FW LLDP engine */
1189 			status = ice_cfg_lldp_mib_change(&pf->hw, false);
1190 
1191 			/* If unregistering for LLDP events fails, this is
1192 			 * not an error state, as there shouldn't be any
1193 			 * events to respond to.
1194 			 */
1195 			if (status)
1196 				dev_info(dev, "Failed to unreg for LLDP events\n");
1197 
1198 			/* The AQ call to stop the FW LLDP agent will generate
1199 			 * an error if the agent is already stopped.
1200 			 */
1201 			status = ice_aq_stop_lldp(&pf->hw, true, true, NULL);
1202 			if (status)
1203 				dev_warn(dev, "Fail to stop LLDP agent\n");
1204 			/* Use case for having the FW LLDP agent stopped
1205 			 * will likely not need DCB, so failure to init is
1206 			 * not a concern of ethtool
1207 			 */
1208 			status = ice_init_pf_dcb(pf, true);
1209 			if (status)
1210 				dev_warn(dev, "Fail to init DCB\n");
1211 
1212 			pf->dcbx_cap &= ~DCB_CAP_DCBX_LLD_MANAGED;
1213 			pf->dcbx_cap |= DCB_CAP_DCBX_HOST;
1214 		} else {
1215 			enum ice_status status;
1216 			bool dcbx_agent_status;
1217 
1218 			/* Remove rule to direct LLDP packets to default VSI.
1219 			 * The FW LLDP engine will now be consuming them.
1220 			 */
1221 			ice_cfg_sw_lldp(vsi, false, false);
1222 
1223 			/* AQ command to start FW LLDP agent will return an
1224 			 * error if the agent is already started
1225 			 */
1226 			status = ice_aq_start_lldp(&pf->hw, true, NULL);
1227 			if (status)
1228 				dev_warn(dev, "Fail to start LLDP Agent\n");
1229 
1230 			/* AQ command to start FW DCBX agent will fail if
1231 			 * the agent is already started
1232 			 */
1233 			status = ice_aq_start_stop_dcbx(&pf->hw, true,
1234 							&dcbx_agent_status,
1235 							NULL);
1236 			if (status)
1237 				dev_dbg(dev, "Failed to start FW DCBX\n");
1238 
1239 			dev_info(dev, "FW DCBX agent is %s\n",
1240 				 dcbx_agent_status ? "ACTIVE" : "DISABLED");
1241 
1242 			/* Failure to configure MIB change or init DCB is not
1243 			 * relevant to ethtool.  Print notification that
1244 			 * registration/init failed but do not return error
1245 			 * state to ethtool
1246 			 */
1247 			status = ice_init_pf_dcb(pf, true);
1248 			if (status)
1249 				dev_dbg(dev, "Fail to init DCB\n");
1250 
1251 			/* Register for MIB change events */
1252 			status = ice_cfg_lldp_mib_change(&pf->hw, true);
1253 			if (status)
1254 				dev_dbg(dev, "Fail to enable MIB change events\n");
1255 
1256 			pf->dcbx_cap &= ~DCB_CAP_DCBX_HOST;
1257 			pf->dcbx_cap |= DCB_CAP_DCBX_LLD_MANAGED;
1258 
1259 			ice_nway_reset(netdev);
1260 		}
1261 	}
1262 	if (test_bit(ICE_FLAG_LEGACY_RX, change_flags)) {
1263 		/* down and up VSI so that changes of Rx cfg are reflected. */
1264 		ice_down(vsi);
1265 		ice_up(vsi);
1266 	}
1267 	/* don't allow modification of this flag when a single VF is in
1268 	 * promiscuous mode because it's not supported
1269 	 */
1270 	if (test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, change_flags) &&
1271 	    ice_is_any_vf_in_promisc(pf)) {
1272 		dev_err(dev, "Changing vf-true-promisc-support flag while VF(s) are in promiscuous mode not supported\n");
1273 		/* toggle bit back to previous state */
1274 		change_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags);
1275 		ret = -EAGAIN;
1276 	}
1277 ethtool_exit:
1278 	clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags);
1279 	return ret;
1280 }
1281 
1282 static int ice_get_sset_count(struct net_device *netdev, int sset)
1283 {
1284 	switch (sset) {
1285 	case ETH_SS_STATS:
1286 		/* The number (and order) of strings reported *must* remain
1287 		 * constant for a given netdevice. This function must not
1288 		 * report a different number based on run time parameters
1289 		 * (such as the number of queues in use, or the setting of
1290 		 * a private ethtool flag). This is due to the nature of the
1291 		 * ethtool stats API.
1292 		 *
1293 		 * Userspace programs such as ethtool must make 3 separate
1294 		 * ioctl requests, one for size, one for the strings, and
1295 		 * finally one for the stats. Since these cross into
1296 		 * userspace, changes to the number or size could result in
1297 		 * undefined memory access or incorrect string<->value
1298 		 * correlations for statistics.
1299 		 *
1300 		 * Even if it appears to be safe, changes to the size or
1301 		 * order of strings will suffer from race conditions and are
1302 		 * not safe.
1303 		 */
1304 		return ICE_ALL_STATS_LEN(netdev);
1305 	case ETH_SS_TEST:
1306 		return ICE_TEST_LEN;
1307 	case ETH_SS_PRIV_FLAGS:
1308 		return ICE_PRIV_FLAG_ARRAY_SIZE;
1309 	default:
1310 		return -EOPNOTSUPP;
1311 	}
1312 }
1313 
1314 static void
1315 ice_get_ethtool_stats(struct net_device *netdev,
1316 		      struct ethtool_stats __always_unused *stats, u64 *data)
1317 {
1318 	struct ice_netdev_priv *np = netdev_priv(netdev);
1319 	struct ice_vsi *vsi = np->vsi;
1320 	struct ice_pf *pf = vsi->back;
1321 	struct ice_ring *ring;
1322 	unsigned int j;
1323 	int i = 0;
1324 	char *p;
1325 
1326 	ice_update_pf_stats(pf);
1327 	ice_update_vsi_stats(vsi);
1328 
1329 	for (j = 0; j < ICE_VSI_STATS_LEN; j++) {
1330 		p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset;
1331 		data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat ==
1332 			     sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1333 	}
1334 
1335 	/* populate per queue stats */
1336 	rcu_read_lock();
1337 
1338 	ice_for_each_alloc_txq(vsi, j) {
1339 		ring = READ_ONCE(vsi->tx_rings[j]);
1340 		if (ring) {
1341 			data[i++] = ring->stats.pkts;
1342 			data[i++] = ring->stats.bytes;
1343 		} else {
1344 			data[i++] = 0;
1345 			data[i++] = 0;
1346 		}
1347 	}
1348 
1349 	ice_for_each_alloc_rxq(vsi, j) {
1350 		ring = READ_ONCE(vsi->rx_rings[j]);
1351 		if (ring) {
1352 			data[i++] = ring->stats.pkts;
1353 			data[i++] = ring->stats.bytes;
1354 		} else {
1355 			data[i++] = 0;
1356 			data[i++] = 0;
1357 		}
1358 	}
1359 
1360 	rcu_read_unlock();
1361 
1362 	if (vsi->type != ICE_VSI_PF)
1363 		return;
1364 
1365 	for (j = 0; j < ICE_PF_STATS_LEN; j++) {
1366 		p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset;
1367 		data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat ==
1368 			     sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1369 	}
1370 
1371 	for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) {
1372 		data[i++] = pf->stats.priority_xon_tx[j];
1373 		data[i++] = pf->stats.priority_xoff_tx[j];
1374 	}
1375 
1376 	for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) {
1377 		data[i++] = pf->stats.priority_xon_rx[j];
1378 		data[i++] = pf->stats.priority_xoff_rx[j];
1379 	}
1380 }
1381 
1382 #define ICE_PHY_TYPE_LOW_MASK_MIN_1G	(ICE_PHY_TYPE_LOW_100BASE_TX | \
1383 					 ICE_PHY_TYPE_LOW_100M_SGMII)
1384 
1385 #define ICE_PHY_TYPE_LOW_MASK_MIN_25G	(ICE_PHY_TYPE_LOW_MASK_MIN_1G | \
1386 					 ICE_PHY_TYPE_LOW_1000BASE_T | \
1387 					 ICE_PHY_TYPE_LOW_1000BASE_SX | \
1388 					 ICE_PHY_TYPE_LOW_1000BASE_LX | \
1389 					 ICE_PHY_TYPE_LOW_1000BASE_KX | \
1390 					 ICE_PHY_TYPE_LOW_1G_SGMII | \
1391 					 ICE_PHY_TYPE_LOW_2500BASE_T | \
1392 					 ICE_PHY_TYPE_LOW_2500BASE_X | \
1393 					 ICE_PHY_TYPE_LOW_2500BASE_KX | \
1394 					 ICE_PHY_TYPE_LOW_5GBASE_T | \
1395 					 ICE_PHY_TYPE_LOW_5GBASE_KR | \
1396 					 ICE_PHY_TYPE_LOW_10GBASE_T | \
1397 					 ICE_PHY_TYPE_LOW_10G_SFI_DA | \
1398 					 ICE_PHY_TYPE_LOW_10GBASE_SR | \
1399 					 ICE_PHY_TYPE_LOW_10GBASE_LR | \
1400 					 ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 | \
1401 					 ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | \
1402 					 ICE_PHY_TYPE_LOW_10G_SFI_C2C)
1403 
1404 #define ICE_PHY_TYPE_LOW_MASK_100G	(ICE_PHY_TYPE_LOW_100GBASE_CR4 | \
1405 					 ICE_PHY_TYPE_LOW_100GBASE_SR4 | \
1406 					 ICE_PHY_TYPE_LOW_100GBASE_LR4 | \
1407 					 ICE_PHY_TYPE_LOW_100GBASE_KR4 | \
1408 					 ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | \
1409 					 ICE_PHY_TYPE_LOW_100G_CAUI4 | \
1410 					 ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | \
1411 					 ICE_PHY_TYPE_LOW_100G_AUI4 | \
1412 					 ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | \
1413 					 ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 | \
1414 					 ICE_PHY_TYPE_LOW_100GBASE_CP2 | \
1415 					 ICE_PHY_TYPE_LOW_100GBASE_SR2 | \
1416 					 ICE_PHY_TYPE_LOW_100GBASE_DR)
1417 
1418 #define ICE_PHY_TYPE_HIGH_MASK_100G	(ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4 | \
1419 					 ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |\
1420 					 ICE_PHY_TYPE_HIGH_100G_CAUI2 | \
1421 					 ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | \
1422 					 ICE_PHY_TYPE_HIGH_100G_AUI2)
1423 
1424 /**
1425  * ice_mask_min_supported_speeds
1426  * @phy_types_high: PHY type high
1427  * @phy_types_low: PHY type low to apply minimum supported speeds mask
1428  *
1429  * Apply minimum supported speeds mask to PHY type low. These are the speeds
1430  * for ethtool supported link mode.
1431  */
1432 static
1433 void ice_mask_min_supported_speeds(u64 phy_types_high, u64 *phy_types_low)
1434 {
1435 	/* if QSFP connection with 100G speed, minimum supported speed is 25G */
1436 	if (*phy_types_low & ICE_PHY_TYPE_LOW_MASK_100G ||
1437 	    phy_types_high & ICE_PHY_TYPE_HIGH_MASK_100G)
1438 		*phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_25G;
1439 	else
1440 		*phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_1G;
1441 }
1442 
1443 #define ice_ethtool_advertise_link_mode(aq_link_speed, ethtool_link_mode)    \
1444 	do {								     \
1445 		if (req_speeds & (aq_link_speed) ||			     \
1446 		    (!req_speeds &&					     \
1447 		     (advert_phy_type_lo & phy_type_mask_lo ||		     \
1448 		      advert_phy_type_hi & phy_type_mask_hi)))		     \
1449 			ethtool_link_ksettings_add_link_mode(ks, advertising,\
1450 							ethtool_link_mode);  \
1451 	} while (0)
1452 
1453 /**
1454  * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes
1455  * @netdev: network interface device structure
1456  * @ks: ethtool link ksettings struct to fill out
1457  */
1458 static void
1459 ice_phy_type_to_ethtool(struct net_device *netdev,
1460 			struct ethtool_link_ksettings *ks)
1461 {
1462 	struct ice_netdev_priv *np = netdev_priv(netdev);
1463 	struct ice_vsi *vsi = np->vsi;
1464 	struct ice_pf *pf = vsi->back;
1465 	u64 advert_phy_type_lo = 0;
1466 	u64 advert_phy_type_hi = 0;
1467 	u64 phy_type_mask_lo = 0;
1468 	u64 phy_type_mask_hi = 0;
1469 	u64 phy_types_high = 0;
1470 	u64 phy_types_low = 0;
1471 	u16 req_speeds;
1472 
1473 	req_speeds = vsi->port_info->phy.link_info.req_speeds;
1474 
1475 	/* Check if lenient mode is supported and enabled, or in strict mode.
1476 	 *
1477 	 * In lenient mode the Supported link modes are the PHY types without
1478 	 * media. The Advertising link mode is either 1. the user requested
1479 	 * speed, 2. the override PHY mask, or 3. the PHY types with media.
1480 	 *
1481 	 * In strict mode Supported link mode are the PHY type with media,
1482 	 * and Advertising link modes are the media PHY type or the speed
1483 	 * requested by user.
1484 	 */
1485 	if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) {
1486 		phy_types_low = le64_to_cpu(pf->nvm_phy_type_lo);
1487 		phy_types_high = le64_to_cpu(pf->nvm_phy_type_hi);
1488 
1489 		ice_mask_min_supported_speeds(phy_types_high, &phy_types_low);
1490 		/* determine advertised modes based on link override only
1491 		 * if it's supported and if the FW doesn't abstract the
1492 		 * driver from having to account for link overrides
1493 		 */
1494 		if (ice_fw_supports_link_override(&pf->hw) &&
1495 		    !ice_fw_supports_report_dflt_cfg(&pf->hw)) {
1496 			struct ice_link_default_override_tlv *ldo;
1497 
1498 			ldo = &pf->link_dflt_override;
1499 			/* If override enabled and PHY mask set, then
1500 			 * Advertising link mode is the intersection of the PHY
1501 			 * types without media and the override PHY mask.
1502 			 */
1503 			if (ldo->options & ICE_LINK_OVERRIDE_EN &&
1504 			    (ldo->phy_type_low || ldo->phy_type_high)) {
1505 				advert_phy_type_lo =
1506 					le64_to_cpu(pf->nvm_phy_type_lo) &
1507 					ldo->phy_type_low;
1508 				advert_phy_type_hi =
1509 					le64_to_cpu(pf->nvm_phy_type_hi) &
1510 					ldo->phy_type_high;
1511 			}
1512 		}
1513 	} else {
1514 		/* strict mode */
1515 		phy_types_low = vsi->port_info->phy.phy_type_low;
1516 		phy_types_high = vsi->port_info->phy.phy_type_high;
1517 	}
1518 
1519 	/* If Advertising link mode PHY type is not using override PHY type,
1520 	 * then use PHY type with media.
1521 	 */
1522 	if (!advert_phy_type_lo && !advert_phy_type_hi) {
1523 		advert_phy_type_lo = vsi->port_info->phy.phy_type_low;
1524 		advert_phy_type_hi = vsi->port_info->phy.phy_type_high;
1525 	}
1526 
1527 	ethtool_link_ksettings_zero_link_mode(ks, supported);
1528 	ethtool_link_ksettings_zero_link_mode(ks, advertising);
1529 
1530 	phy_type_mask_lo = ICE_PHY_TYPE_LOW_100BASE_TX |
1531 			   ICE_PHY_TYPE_LOW_100M_SGMII;
1532 	if (phy_types_low & phy_type_mask_lo) {
1533 		ethtool_link_ksettings_add_link_mode(ks, supported,
1534 						     100baseT_Full);
1535 
1536 		ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100MB,
1537 						100baseT_Full);
1538 	}
1539 
1540 	phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_T |
1541 			   ICE_PHY_TYPE_LOW_1G_SGMII;
1542 	if (phy_types_low & phy_type_mask_lo) {
1543 		ethtool_link_ksettings_add_link_mode(ks, supported,
1544 						     1000baseT_Full);
1545 		ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB,
1546 						1000baseT_Full);
1547 	}
1548 
1549 	phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_KX;
1550 	if (phy_types_low & phy_type_mask_lo) {
1551 		ethtool_link_ksettings_add_link_mode(ks, supported,
1552 						     1000baseKX_Full);
1553 		ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB,
1554 						1000baseKX_Full);
1555 	}
1556 
1557 	phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_SX |
1558 			   ICE_PHY_TYPE_LOW_1000BASE_LX;
1559 	if (phy_types_low & phy_type_mask_lo) {
1560 		ethtool_link_ksettings_add_link_mode(ks, supported,
1561 						     1000baseX_Full);
1562 		ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB,
1563 						1000baseX_Full);
1564 	}
1565 
1566 	phy_type_mask_lo = ICE_PHY_TYPE_LOW_2500BASE_T;
1567 	if (phy_types_low & phy_type_mask_lo) {
1568 		ethtool_link_ksettings_add_link_mode(ks, supported,
1569 						     2500baseT_Full);
1570 		ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_2500MB,
1571 						2500baseT_Full);
1572 	}
1573 
1574 	phy_type_mask_lo = ICE_PHY_TYPE_LOW_2500BASE_X |
1575 			   ICE_PHY_TYPE_LOW_2500BASE_KX;
1576 	if (phy_types_low & phy_type_mask_lo) {
1577 		ethtool_link_ksettings_add_link_mode(ks, supported,
1578 						     2500baseX_Full);
1579 		ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_2500MB,
1580 						2500baseX_Full);
1581 	}
1582 
1583 	phy_type_mask_lo = ICE_PHY_TYPE_LOW_5GBASE_T |
1584 			   ICE_PHY_TYPE_LOW_5GBASE_KR;
1585 	if (phy_types_low & phy_type_mask_lo) {
1586 		ethtool_link_ksettings_add_link_mode(ks, supported,
1587 						     5000baseT_Full);
1588 		ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_5GB,
1589 						5000baseT_Full);
1590 	}
1591 
1592 	phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_T |
1593 			   ICE_PHY_TYPE_LOW_10G_SFI_DA |
1594 			   ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC |
1595 			   ICE_PHY_TYPE_LOW_10G_SFI_C2C;
1596 	if (phy_types_low & phy_type_mask_lo) {
1597 		ethtool_link_ksettings_add_link_mode(ks, supported,
1598 						     10000baseT_Full);
1599 		ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB,
1600 						10000baseT_Full);
1601 	}
1602 
1603 	phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_KR_CR1;
1604 	if (phy_types_low & phy_type_mask_lo) {
1605 		ethtool_link_ksettings_add_link_mode(ks, supported,
1606 						     10000baseKR_Full);
1607 		ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB,
1608 						10000baseKR_Full);
1609 	}
1610 
1611 	phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_SR;
1612 	if (phy_types_low & phy_type_mask_lo) {
1613 		ethtool_link_ksettings_add_link_mode(ks, supported,
1614 						     10000baseSR_Full);
1615 		ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB,
1616 						10000baseSR_Full);
1617 	}
1618 
1619 	phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_LR;
1620 	if (phy_types_low & phy_type_mask_lo) {
1621 		ethtool_link_ksettings_add_link_mode(ks, supported,
1622 						     10000baseLR_Full);
1623 		ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB,
1624 						10000baseLR_Full);
1625 	}
1626 
1627 	phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_T |
1628 			   ICE_PHY_TYPE_LOW_25GBASE_CR |
1629 			   ICE_PHY_TYPE_LOW_25GBASE_CR_S |
1630 			   ICE_PHY_TYPE_LOW_25GBASE_CR1 |
1631 			   ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC |
1632 			   ICE_PHY_TYPE_LOW_25G_AUI_C2C;
1633 	if (phy_types_low & phy_type_mask_lo) {
1634 		ethtool_link_ksettings_add_link_mode(ks, supported,
1635 						     25000baseCR_Full);
1636 		ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB,
1637 						25000baseCR_Full);
1638 	}
1639 
1640 	phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_SR |
1641 			   ICE_PHY_TYPE_LOW_25GBASE_LR;
1642 	if (phy_types_low & phy_type_mask_lo) {
1643 		ethtool_link_ksettings_add_link_mode(ks, supported,
1644 						     25000baseSR_Full);
1645 		ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB,
1646 						25000baseSR_Full);
1647 	}
1648 
1649 	phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_KR |
1650 			   ICE_PHY_TYPE_LOW_25GBASE_KR_S |
1651 			   ICE_PHY_TYPE_LOW_25GBASE_KR1;
1652 	if (phy_types_low & phy_type_mask_lo) {
1653 		ethtool_link_ksettings_add_link_mode(ks, supported,
1654 						     25000baseKR_Full);
1655 		ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB,
1656 						25000baseKR_Full);
1657 	}
1658 
1659 	phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_KR4;
1660 	if (phy_types_low & phy_type_mask_lo) {
1661 		ethtool_link_ksettings_add_link_mode(ks, supported,
1662 						     40000baseKR4_Full);
1663 		ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB,
1664 						40000baseKR4_Full);
1665 	}
1666 
1667 	phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_CR4 |
1668 			   ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC |
1669 			   ICE_PHY_TYPE_LOW_40G_XLAUI;
1670 	if (phy_types_low & phy_type_mask_lo) {
1671 		ethtool_link_ksettings_add_link_mode(ks, supported,
1672 						     40000baseCR4_Full);
1673 		ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB,
1674 						40000baseCR4_Full);
1675 	}
1676 
1677 	phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_SR4;
1678 	if (phy_types_low & phy_type_mask_lo) {
1679 		ethtool_link_ksettings_add_link_mode(ks, supported,
1680 						     40000baseSR4_Full);
1681 		ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB,
1682 						40000baseSR4_Full);
1683 	}
1684 
1685 	phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_LR4;
1686 	if (phy_types_low & phy_type_mask_lo) {
1687 		ethtool_link_ksettings_add_link_mode(ks, supported,
1688 						     40000baseLR4_Full);
1689 		ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB,
1690 						40000baseLR4_Full);
1691 	}
1692 
1693 	phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_CR2 |
1694 			   ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC |
1695 			   ICE_PHY_TYPE_LOW_50G_LAUI2 |
1696 			   ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC |
1697 			   ICE_PHY_TYPE_LOW_50G_AUI2 |
1698 			   ICE_PHY_TYPE_LOW_50GBASE_CP |
1699 			   ICE_PHY_TYPE_LOW_50GBASE_SR |
1700 			   ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC |
1701 			   ICE_PHY_TYPE_LOW_50G_AUI1;
1702 	if (phy_types_low & phy_type_mask_lo) {
1703 		ethtool_link_ksettings_add_link_mode(ks, supported,
1704 						     50000baseCR2_Full);
1705 		ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB,
1706 						50000baseCR2_Full);
1707 	}
1708 
1709 	phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_KR2 |
1710 			   ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4;
1711 	if (phy_types_low & phy_type_mask_lo) {
1712 		ethtool_link_ksettings_add_link_mode(ks, supported,
1713 						     50000baseKR2_Full);
1714 		ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB,
1715 						50000baseKR2_Full);
1716 	}
1717 
1718 	phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_SR2 |
1719 			   ICE_PHY_TYPE_LOW_50GBASE_LR2 |
1720 			   ICE_PHY_TYPE_LOW_50GBASE_FR |
1721 			   ICE_PHY_TYPE_LOW_50GBASE_LR;
1722 	if (phy_types_low & phy_type_mask_lo) {
1723 		ethtool_link_ksettings_add_link_mode(ks, supported,
1724 						     50000baseSR2_Full);
1725 		ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB,
1726 						50000baseSR2_Full);
1727 	}
1728 
1729 	phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_CR4 |
1730 			   ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC |
1731 			   ICE_PHY_TYPE_LOW_100G_CAUI4 |
1732 			   ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC |
1733 			   ICE_PHY_TYPE_LOW_100G_AUI4 |
1734 			   ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 |
1735 			   ICE_PHY_TYPE_LOW_100GBASE_CP2;
1736 	phy_type_mask_hi = ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |
1737 			   ICE_PHY_TYPE_HIGH_100G_CAUI2 |
1738 			   ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC |
1739 			   ICE_PHY_TYPE_HIGH_100G_AUI2;
1740 	if (phy_types_low & phy_type_mask_lo ||
1741 	    phy_types_high & phy_type_mask_hi) {
1742 		ethtool_link_ksettings_add_link_mode(ks, supported,
1743 						     100000baseCR4_Full);
1744 		ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB,
1745 						100000baseCR4_Full);
1746 	}
1747 
1748 	phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_SR4 |
1749 			   ICE_PHY_TYPE_LOW_100GBASE_SR2;
1750 	if (phy_types_low & phy_type_mask_lo) {
1751 		ethtool_link_ksettings_add_link_mode(ks, supported,
1752 						     100000baseSR4_Full);
1753 		ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB,
1754 						100000baseSR4_Full);
1755 	}
1756 
1757 	phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_LR4 |
1758 			   ICE_PHY_TYPE_LOW_100GBASE_DR;
1759 	if (phy_types_low & phy_type_mask_lo) {
1760 		ethtool_link_ksettings_add_link_mode(ks, supported,
1761 						     100000baseLR4_ER4_Full);
1762 		ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB,
1763 						100000baseLR4_ER4_Full);
1764 	}
1765 
1766 	phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_KR4 |
1767 			   ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4;
1768 	phy_type_mask_hi = ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4;
1769 	if (phy_types_low & phy_type_mask_lo ||
1770 	    phy_types_high & phy_type_mask_hi) {
1771 		ethtool_link_ksettings_add_link_mode(ks, supported,
1772 						     100000baseKR4_Full);
1773 		ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB,
1774 						100000baseKR4_Full);
1775 	}
1776 }
1777 
1778 #define TEST_SET_BITS_TIMEOUT	50
1779 #define TEST_SET_BITS_SLEEP_MAX	2000
1780 #define TEST_SET_BITS_SLEEP_MIN	1000
1781 
1782 /**
1783  * ice_get_settings_link_up - Get Link settings for when link is up
1784  * @ks: ethtool ksettings to fill in
1785  * @netdev: network interface device structure
1786  */
1787 static void
1788 ice_get_settings_link_up(struct ethtool_link_ksettings *ks,
1789 			 struct net_device *netdev)
1790 {
1791 	struct ice_netdev_priv *np = netdev_priv(netdev);
1792 	struct ice_port_info *pi = np->vsi->port_info;
1793 	struct ice_link_status *link_info;
1794 	struct ice_vsi *vsi = np->vsi;
1795 
1796 	link_info = &vsi->port_info->phy.link_info;
1797 
1798 	/* Get supported and advertised settings from PHY ability with media */
1799 	ice_phy_type_to_ethtool(netdev, ks);
1800 
1801 	switch (link_info->link_speed) {
1802 	case ICE_AQ_LINK_SPEED_100GB:
1803 		ks->base.speed = SPEED_100000;
1804 		break;
1805 	case ICE_AQ_LINK_SPEED_50GB:
1806 		ks->base.speed = SPEED_50000;
1807 		break;
1808 	case ICE_AQ_LINK_SPEED_40GB:
1809 		ks->base.speed = SPEED_40000;
1810 		break;
1811 	case ICE_AQ_LINK_SPEED_25GB:
1812 		ks->base.speed = SPEED_25000;
1813 		break;
1814 	case ICE_AQ_LINK_SPEED_20GB:
1815 		ks->base.speed = SPEED_20000;
1816 		break;
1817 	case ICE_AQ_LINK_SPEED_10GB:
1818 		ks->base.speed = SPEED_10000;
1819 		break;
1820 	case ICE_AQ_LINK_SPEED_5GB:
1821 		ks->base.speed = SPEED_5000;
1822 		break;
1823 	case ICE_AQ_LINK_SPEED_2500MB:
1824 		ks->base.speed = SPEED_2500;
1825 		break;
1826 	case ICE_AQ_LINK_SPEED_1000MB:
1827 		ks->base.speed = SPEED_1000;
1828 		break;
1829 	case ICE_AQ_LINK_SPEED_100MB:
1830 		ks->base.speed = SPEED_100;
1831 		break;
1832 	default:
1833 		netdev_info(netdev, "WARNING: Unrecognized link_speed (0x%x).\n",
1834 			    link_info->link_speed);
1835 		break;
1836 	}
1837 	ks->base.duplex = DUPLEX_FULL;
1838 
1839 	if (link_info->an_info & ICE_AQ_AN_COMPLETED)
1840 		ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
1841 						     Autoneg);
1842 
1843 	/* Set flow control negotiated Rx/Tx pause */
1844 	switch (pi->fc.current_mode) {
1845 	case ICE_FC_FULL:
1846 		ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause);
1847 		break;
1848 	case ICE_FC_TX_PAUSE:
1849 		ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause);
1850 		ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
1851 						     Asym_Pause);
1852 		break;
1853 	case ICE_FC_RX_PAUSE:
1854 		ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
1855 						     Asym_Pause);
1856 		break;
1857 	case ICE_FC_PFC:
1858 	default:
1859 		ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause);
1860 		ethtool_link_ksettings_del_link_mode(ks, lp_advertising,
1861 						     Asym_Pause);
1862 		break;
1863 	}
1864 }
1865 
1866 /**
1867  * ice_get_settings_link_down - Get the Link settings when link is down
1868  * @ks: ethtool ksettings to fill in
1869  * @netdev: network interface device structure
1870  *
1871  * Reports link settings that can be determined when link is down
1872  */
1873 static void
1874 ice_get_settings_link_down(struct ethtool_link_ksettings *ks,
1875 			   struct net_device *netdev)
1876 {
1877 	/* link is down and the driver needs to fall back on
1878 	 * supported PHY types to figure out what info to display
1879 	 */
1880 	ice_phy_type_to_ethtool(netdev, ks);
1881 
1882 	/* With no link, speed and duplex are unknown */
1883 	ks->base.speed = SPEED_UNKNOWN;
1884 	ks->base.duplex = DUPLEX_UNKNOWN;
1885 }
1886 
1887 /**
1888  * ice_get_link_ksettings - Get Link Speed and Duplex settings
1889  * @netdev: network interface device structure
1890  * @ks: ethtool ksettings
1891  *
1892  * Reports speed/duplex settings based on media_type
1893  */
1894 static int
1895 ice_get_link_ksettings(struct net_device *netdev,
1896 		       struct ethtool_link_ksettings *ks)
1897 {
1898 	struct ice_netdev_priv *np = netdev_priv(netdev);
1899 	struct ice_aqc_get_phy_caps_data *caps;
1900 	struct ice_link_status *hw_link_info;
1901 	struct ice_vsi *vsi = np->vsi;
1902 	enum ice_status status;
1903 	int err = 0;
1904 
1905 	ethtool_link_ksettings_zero_link_mode(ks, supported);
1906 	ethtool_link_ksettings_zero_link_mode(ks, advertising);
1907 	ethtool_link_ksettings_zero_link_mode(ks, lp_advertising);
1908 	hw_link_info = &vsi->port_info->phy.link_info;
1909 
1910 	/* set speed and duplex */
1911 	if (hw_link_info->link_info & ICE_AQ_LINK_UP)
1912 		ice_get_settings_link_up(ks, netdev);
1913 	else
1914 		ice_get_settings_link_down(ks, netdev);
1915 
1916 	/* set autoneg settings */
1917 	ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ?
1918 		AUTONEG_ENABLE : AUTONEG_DISABLE;
1919 
1920 	/* set media type settings */
1921 	switch (vsi->port_info->phy.media_type) {
1922 	case ICE_MEDIA_FIBER:
1923 		ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE);
1924 		ks->base.port = PORT_FIBRE;
1925 		break;
1926 	case ICE_MEDIA_BASET:
1927 		ethtool_link_ksettings_add_link_mode(ks, supported, TP);
1928 		ethtool_link_ksettings_add_link_mode(ks, advertising, TP);
1929 		ks->base.port = PORT_TP;
1930 		break;
1931 	case ICE_MEDIA_BACKPLANE:
1932 		ethtool_link_ksettings_add_link_mode(ks, supported, Backplane);
1933 		ethtool_link_ksettings_add_link_mode(ks, advertising,
1934 						     Backplane);
1935 		ks->base.port = PORT_NONE;
1936 		break;
1937 	case ICE_MEDIA_DA:
1938 		ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE);
1939 		ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE);
1940 		ks->base.port = PORT_DA;
1941 		break;
1942 	default:
1943 		ks->base.port = PORT_OTHER;
1944 		break;
1945 	}
1946 
1947 	/* flow control is symmetric and always supported */
1948 	ethtool_link_ksettings_add_link_mode(ks, supported, Pause);
1949 
1950 	caps = kzalloc(sizeof(*caps), GFP_KERNEL);
1951 	if (!caps)
1952 		return -ENOMEM;
1953 
1954 	status = ice_aq_get_phy_caps(vsi->port_info, false,
1955 				     ICE_AQC_REPORT_ACTIVE_CFG, caps, NULL);
1956 	if (status) {
1957 		err = -EIO;
1958 		goto done;
1959 	}
1960 
1961 	/* Set the advertised flow control based on the PHY capability */
1962 	if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) &&
1963 	    (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) {
1964 		ethtool_link_ksettings_add_link_mode(ks, advertising, Pause);
1965 		ethtool_link_ksettings_add_link_mode(ks, advertising,
1966 						     Asym_Pause);
1967 	} else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) {
1968 		ethtool_link_ksettings_add_link_mode(ks, advertising,
1969 						     Asym_Pause);
1970 	} else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) {
1971 		ethtool_link_ksettings_add_link_mode(ks, advertising, Pause);
1972 		ethtool_link_ksettings_add_link_mode(ks, advertising,
1973 						     Asym_Pause);
1974 	} else {
1975 		ethtool_link_ksettings_del_link_mode(ks, advertising, Pause);
1976 		ethtool_link_ksettings_del_link_mode(ks, advertising,
1977 						     Asym_Pause);
1978 	}
1979 
1980 	/* Set advertised FEC modes based on PHY capability */
1981 	ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE);
1982 
1983 	if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ ||
1984 	    caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ)
1985 		ethtool_link_ksettings_add_link_mode(ks, advertising,
1986 						     FEC_BASER);
1987 	if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ ||
1988 	    caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ)
1989 		ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS);
1990 
1991 	status = ice_aq_get_phy_caps(vsi->port_info, false,
1992 				     ICE_AQC_REPORT_TOPO_CAP_MEDIA, caps, NULL);
1993 	if (status) {
1994 		err = -EIO;
1995 		goto done;
1996 	}
1997 
1998 	/* Set supported FEC modes based on PHY capability */
1999 	ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE);
2000 
2001 	if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN ||
2002 	    caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN)
2003 		ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER);
2004 	if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN)
2005 		ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS);
2006 
2007 	/* Set supported and advertised autoneg */
2008 	if (ice_is_phy_caps_an_enabled(caps)) {
2009 		ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
2010 		ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
2011 	}
2012 
2013 done:
2014 	kfree(caps);
2015 	return err;
2016 }
2017 
2018 /**
2019  * ice_ksettings_find_adv_link_speed - Find advertising link speed
2020  * @ks: ethtool ksettings
2021  */
2022 static u16
2023 ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks)
2024 {
2025 	u16 adv_link_speed = 0;
2026 
2027 	if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2028 						  100baseT_Full))
2029 		adv_link_speed |= ICE_AQ_LINK_SPEED_100MB;
2030 	if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2031 						  1000baseX_Full))
2032 		adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB;
2033 	if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2034 						  1000baseT_Full) ||
2035 	    ethtool_link_ksettings_test_link_mode(ks, advertising,
2036 						  1000baseKX_Full))
2037 		adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB;
2038 	if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2039 						  2500baseT_Full))
2040 		adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB;
2041 	if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2042 						  2500baseX_Full))
2043 		adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB;
2044 	if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2045 						  5000baseT_Full))
2046 		adv_link_speed |= ICE_AQ_LINK_SPEED_5GB;
2047 	if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2048 						  10000baseT_Full) ||
2049 	    ethtool_link_ksettings_test_link_mode(ks, advertising,
2050 						  10000baseKR_Full))
2051 		adv_link_speed |= ICE_AQ_LINK_SPEED_10GB;
2052 	if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2053 						  10000baseSR_Full) ||
2054 	    ethtool_link_ksettings_test_link_mode(ks, advertising,
2055 						  10000baseLR_Full))
2056 		adv_link_speed |= ICE_AQ_LINK_SPEED_10GB;
2057 	if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2058 						  25000baseCR_Full) ||
2059 	    ethtool_link_ksettings_test_link_mode(ks, advertising,
2060 						  25000baseSR_Full) ||
2061 	    ethtool_link_ksettings_test_link_mode(ks, advertising,
2062 						  25000baseKR_Full))
2063 		adv_link_speed |= ICE_AQ_LINK_SPEED_25GB;
2064 	if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2065 						  40000baseCR4_Full) ||
2066 	    ethtool_link_ksettings_test_link_mode(ks, advertising,
2067 						  40000baseSR4_Full) ||
2068 	    ethtool_link_ksettings_test_link_mode(ks, advertising,
2069 						  40000baseLR4_Full) ||
2070 	    ethtool_link_ksettings_test_link_mode(ks, advertising,
2071 						  40000baseKR4_Full))
2072 		adv_link_speed |= ICE_AQ_LINK_SPEED_40GB;
2073 	if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2074 						  50000baseCR2_Full) ||
2075 	    ethtool_link_ksettings_test_link_mode(ks, advertising,
2076 						  50000baseKR2_Full))
2077 		adv_link_speed |= ICE_AQ_LINK_SPEED_50GB;
2078 	if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2079 						  50000baseSR2_Full))
2080 		adv_link_speed |= ICE_AQ_LINK_SPEED_50GB;
2081 	if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2082 						  100000baseCR4_Full) ||
2083 	    ethtool_link_ksettings_test_link_mode(ks, advertising,
2084 						  100000baseSR4_Full) ||
2085 	    ethtool_link_ksettings_test_link_mode(ks, advertising,
2086 						  100000baseLR4_ER4_Full) ||
2087 	    ethtool_link_ksettings_test_link_mode(ks, advertising,
2088 						  100000baseKR4_Full))
2089 		adv_link_speed |= ICE_AQ_LINK_SPEED_100GB;
2090 
2091 	return adv_link_speed;
2092 }
2093 
2094 /**
2095  * ice_setup_autoneg
2096  * @p: port info
2097  * @ks: ethtool_link_ksettings
2098  * @config: configuration that will be sent down to FW
2099  * @autoneg_enabled: autonegotiation is enabled or not
2100  * @autoneg_changed: will there a change in autonegotiation
2101  * @netdev: network interface device structure
2102  *
2103  * Setup PHY autonegotiation feature
2104  */
2105 static int
2106 ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks,
2107 		  struct ice_aqc_set_phy_cfg_data *config,
2108 		  u8 autoneg_enabled, u8 *autoneg_changed,
2109 		  struct net_device *netdev)
2110 {
2111 	int err = 0;
2112 
2113 	*autoneg_changed = 0;
2114 
2115 	/* Check autoneg */
2116 	if (autoneg_enabled == AUTONEG_ENABLE) {
2117 		/* If autoneg was not already enabled */
2118 		if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) {
2119 			/* If autoneg is not supported, return error */
2120 			if (!ethtool_link_ksettings_test_link_mode(ks,
2121 								   supported,
2122 								   Autoneg)) {
2123 				netdev_info(netdev, "Autoneg not supported on this phy.\n");
2124 				err = -EINVAL;
2125 			} else {
2126 				/* Autoneg is allowed to change */
2127 				config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2128 				*autoneg_changed = 1;
2129 			}
2130 		}
2131 	} else {
2132 		/* If autoneg is currently enabled */
2133 		if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) {
2134 			/* If autoneg is supported 10GBASE_T is the only PHY
2135 			 * that can disable it, so otherwise return error
2136 			 */
2137 			if (ethtool_link_ksettings_test_link_mode(ks,
2138 								  supported,
2139 								  Autoneg)) {
2140 				netdev_info(netdev, "Autoneg cannot be disabled on this phy\n");
2141 				err = -EINVAL;
2142 			} else {
2143 				/* Autoneg is allowed to change */
2144 				config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2145 				*autoneg_changed = 1;
2146 			}
2147 		}
2148 	}
2149 
2150 	return err;
2151 }
2152 
2153 /**
2154  * ice_set_link_ksettings - Set Speed and Duplex
2155  * @netdev: network interface device structure
2156  * @ks: ethtool ksettings
2157  *
2158  * Set speed/duplex per media_types advertised/forced
2159  */
2160 static int
2161 ice_set_link_ksettings(struct net_device *netdev,
2162 		       const struct ethtool_link_ksettings *ks)
2163 {
2164 	struct ice_netdev_priv *np = netdev_priv(netdev);
2165 	u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT;
2166 	struct ethtool_link_ksettings copy_ks = *ks;
2167 	struct ethtool_link_ksettings safe_ks = {};
2168 	struct ice_aqc_get_phy_caps_data *phy_caps;
2169 	struct ice_aqc_set_phy_cfg_data config;
2170 	u16 adv_link_speed, curr_link_speed;
2171 	struct ice_pf *pf = np->vsi->back;
2172 	struct ice_port_info *pi;
2173 	u8 autoneg_changed = 0;
2174 	enum ice_status status;
2175 	u64 phy_type_high = 0;
2176 	u64 phy_type_low = 0;
2177 	int err = 0;
2178 	bool linkup;
2179 
2180 	pi = np->vsi->port_info;
2181 
2182 	if (!pi)
2183 		return -EIO;
2184 
2185 	if (pi->phy.media_type != ICE_MEDIA_BASET &&
2186 	    pi->phy.media_type != ICE_MEDIA_FIBER &&
2187 	    pi->phy.media_type != ICE_MEDIA_BACKPLANE &&
2188 	    pi->phy.media_type != ICE_MEDIA_DA &&
2189 	    pi->phy.link_info.link_info & ICE_AQ_LINK_UP)
2190 		return -EOPNOTSUPP;
2191 
2192 	phy_caps = kzalloc(sizeof(*phy_caps), GFP_KERNEL);
2193 	if (!phy_caps)
2194 		return -ENOMEM;
2195 
2196 	/* Get the PHY capabilities based on media */
2197 	if (ice_fw_supports_report_dflt_cfg(pi->hw))
2198 		status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_DFLT_CFG,
2199 					     phy_caps, NULL);
2200 	else
2201 		status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA,
2202 					     phy_caps, NULL);
2203 	if (status) {
2204 		err = -EIO;
2205 		goto done;
2206 	}
2207 
2208 	/* save autoneg out of ksettings */
2209 	autoneg = copy_ks.base.autoneg;
2210 
2211 	/* Get link modes supported by hardware.*/
2212 	ice_phy_type_to_ethtool(netdev, &safe_ks);
2213 
2214 	/* and check against modes requested by user.
2215 	 * Return an error if unsupported mode was set.
2216 	 */
2217 	if (!bitmap_subset(copy_ks.link_modes.advertising,
2218 			   safe_ks.link_modes.supported,
2219 			   __ETHTOOL_LINK_MODE_MASK_NBITS)) {
2220 		if (!test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags))
2221 			netdev_info(netdev, "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n");
2222 		err = -EOPNOTSUPP;
2223 		goto done;
2224 	}
2225 
2226 	/* get our own copy of the bits to check against */
2227 	memset(&safe_ks, 0, sizeof(safe_ks));
2228 	safe_ks.base.cmd = copy_ks.base.cmd;
2229 	safe_ks.base.link_mode_masks_nwords =
2230 		copy_ks.base.link_mode_masks_nwords;
2231 	ice_get_link_ksettings(netdev, &safe_ks);
2232 
2233 	/* set autoneg back to what it currently is */
2234 	copy_ks.base.autoneg = safe_ks.base.autoneg;
2235 	/* we don't compare the speed */
2236 	copy_ks.base.speed = safe_ks.base.speed;
2237 
2238 	/* If copy_ks.base and safe_ks.base are not the same now, then they are
2239 	 * trying to set something that we do not support.
2240 	 */
2241 	if (memcmp(&copy_ks.base, &safe_ks.base, sizeof(copy_ks.base))) {
2242 		err = -EOPNOTSUPP;
2243 		goto done;
2244 	}
2245 
2246 	while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) {
2247 		timeout--;
2248 		if (!timeout) {
2249 			err = -EBUSY;
2250 			goto done;
2251 		}
2252 		usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX);
2253 	}
2254 
2255 	/* Copy the current user PHY configuration. The current user PHY
2256 	 * configuration is initialized during probe from PHY capabilities
2257 	 * software mode, and updated on set PHY configuration.
2258 	 */
2259 	config = pi->phy.curr_user_phy_cfg;
2260 
2261 	config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2262 
2263 	/* Check autoneg */
2264 	err = ice_setup_autoneg(pi, &safe_ks, &config, autoneg, &autoneg_changed,
2265 				netdev);
2266 
2267 	if (err)
2268 		goto done;
2269 
2270 	/* Call to get the current link speed */
2271 	pi->phy.get_link_info = true;
2272 	status = ice_get_link_status(pi, &linkup);
2273 	if (status) {
2274 		err = -EIO;
2275 		goto done;
2276 	}
2277 
2278 	curr_link_speed = pi->phy.link_info.link_speed;
2279 	adv_link_speed = ice_ksettings_find_adv_link_speed(ks);
2280 
2281 	/* If speed didn't get set, set it to what it currently is.
2282 	 * This is needed because if advertise is 0 (as it is when autoneg
2283 	 * is disabled) then speed won't get set.
2284 	 */
2285 	if (!adv_link_speed)
2286 		adv_link_speed = curr_link_speed;
2287 
2288 	/* Convert the advertise link speeds to their corresponded PHY_TYPE */
2289 	ice_update_phy_type(&phy_type_low, &phy_type_high, adv_link_speed);
2290 
2291 	if (!autoneg_changed && adv_link_speed == curr_link_speed) {
2292 		netdev_info(netdev, "Nothing changed, exiting without setting anything.\n");
2293 		goto done;
2294 	}
2295 
2296 	/* save the requested speeds */
2297 	pi->phy.link_info.req_speeds = adv_link_speed;
2298 
2299 	/* set link and auto negotiation so changes take effect */
2300 	config.caps |= ICE_AQ_PHY_ENA_LINK;
2301 
2302 	/* check if there is a PHY type for the requested advertised speed */
2303 	if (!(phy_type_low || phy_type_high)) {
2304 		netdev_info(netdev, "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n");
2305 		err = -EOPNOTSUPP;
2306 		goto done;
2307 	}
2308 
2309 	/* intersect requested advertised speed PHY types with media PHY types
2310 	 * for set PHY configuration
2311 	 */
2312 	config.phy_type_high = cpu_to_le64(phy_type_high) &
2313 			phy_caps->phy_type_high;
2314 	config.phy_type_low = cpu_to_le64(phy_type_low) &
2315 			phy_caps->phy_type_low;
2316 
2317 	if (!(config.phy_type_high || config.phy_type_low)) {
2318 		/* If there is no intersection and lenient mode is enabled, then
2319 		 * intersect the requested advertised speed with NVM media type
2320 		 * PHY types.
2321 		 */
2322 		if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) {
2323 			config.phy_type_high = cpu_to_le64(phy_type_high) &
2324 					       pf->nvm_phy_type_hi;
2325 			config.phy_type_low = cpu_to_le64(phy_type_low) &
2326 					      pf->nvm_phy_type_lo;
2327 		} else {
2328 			netdev_info(netdev, "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n");
2329 			err = -EOPNOTSUPP;
2330 			goto done;
2331 		}
2332 	}
2333 
2334 	/* If link is up put link down */
2335 	if (pi->phy.link_info.link_info & ICE_AQ_LINK_UP) {
2336 		/* Tell the OS link is going down, the link will go
2337 		 * back up when fw says it is ready asynchronously
2338 		 */
2339 		ice_print_link_msg(np->vsi, false);
2340 		netif_carrier_off(netdev);
2341 		netif_tx_stop_all_queues(netdev);
2342 	}
2343 
2344 	/* make the aq call */
2345 	status = ice_aq_set_phy_cfg(&pf->hw, pi, &config, NULL);
2346 	if (status) {
2347 		netdev_info(netdev, "Set phy config failed,\n");
2348 		err = -EIO;
2349 		goto done;
2350 	}
2351 
2352 	/* Save speed request */
2353 	pi->phy.curr_user_speed_req = adv_link_speed;
2354 done:
2355 	kfree(phy_caps);
2356 	clear_bit(ICE_CFG_BUSY, pf->state);
2357 
2358 	return err;
2359 }
2360 
2361 /**
2362  * ice_parse_hdrs - parses headers from RSS hash input
2363  * @nfc: ethtool rxnfc command
2364  *
2365  * This function parses the rxnfc command and returns intended
2366  * header types for RSS configuration
2367  */
2368 static u32 ice_parse_hdrs(struct ethtool_rxnfc *nfc)
2369 {
2370 	u32 hdrs = ICE_FLOW_SEG_HDR_NONE;
2371 
2372 	switch (nfc->flow_type) {
2373 	case TCP_V4_FLOW:
2374 		hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4;
2375 		break;
2376 	case UDP_V4_FLOW:
2377 		hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4;
2378 		break;
2379 	case SCTP_V4_FLOW:
2380 		hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4;
2381 		break;
2382 	case TCP_V6_FLOW:
2383 		hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6;
2384 		break;
2385 	case UDP_V6_FLOW:
2386 		hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6;
2387 		break;
2388 	case SCTP_V6_FLOW:
2389 		hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6;
2390 		break;
2391 	default:
2392 		break;
2393 	}
2394 	return hdrs;
2395 }
2396 
2397 #define ICE_FLOW_HASH_FLD_IPV4_SA	BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA)
2398 #define ICE_FLOW_HASH_FLD_IPV6_SA	BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA)
2399 #define ICE_FLOW_HASH_FLD_IPV4_DA	BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)
2400 #define ICE_FLOW_HASH_FLD_IPV6_DA	BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)
2401 #define ICE_FLOW_HASH_FLD_TCP_SRC_PORT	BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT)
2402 #define ICE_FLOW_HASH_FLD_TCP_DST_PORT	BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT)
2403 #define ICE_FLOW_HASH_FLD_UDP_SRC_PORT	BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT)
2404 #define ICE_FLOW_HASH_FLD_UDP_DST_PORT	BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT)
2405 #define ICE_FLOW_HASH_FLD_SCTP_SRC_PORT	\
2406 	BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT)
2407 #define ICE_FLOW_HASH_FLD_SCTP_DST_PORT	\
2408 	BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT)
2409 
2410 /**
2411  * ice_parse_hash_flds - parses hash fields from RSS hash input
2412  * @nfc: ethtool rxnfc command
2413  *
2414  * This function parses the rxnfc command and returns intended
2415  * hash fields for RSS configuration
2416  */
2417 static u64 ice_parse_hash_flds(struct ethtool_rxnfc *nfc)
2418 {
2419 	u64 hfld = ICE_HASH_INVALID;
2420 
2421 	if (nfc->data & RXH_IP_SRC || nfc->data & RXH_IP_DST) {
2422 		switch (nfc->flow_type) {
2423 		case TCP_V4_FLOW:
2424 		case UDP_V4_FLOW:
2425 		case SCTP_V4_FLOW:
2426 			if (nfc->data & RXH_IP_SRC)
2427 				hfld |= ICE_FLOW_HASH_FLD_IPV4_SA;
2428 			if (nfc->data & RXH_IP_DST)
2429 				hfld |= ICE_FLOW_HASH_FLD_IPV4_DA;
2430 			break;
2431 		case TCP_V6_FLOW:
2432 		case UDP_V6_FLOW:
2433 		case SCTP_V6_FLOW:
2434 			if (nfc->data & RXH_IP_SRC)
2435 				hfld |= ICE_FLOW_HASH_FLD_IPV6_SA;
2436 			if (nfc->data & RXH_IP_DST)
2437 				hfld |= ICE_FLOW_HASH_FLD_IPV6_DA;
2438 			break;
2439 		default:
2440 			break;
2441 		}
2442 	}
2443 
2444 	if (nfc->data & RXH_L4_B_0_1 || nfc->data & RXH_L4_B_2_3) {
2445 		switch (nfc->flow_type) {
2446 		case TCP_V4_FLOW:
2447 		case TCP_V6_FLOW:
2448 			if (nfc->data & RXH_L4_B_0_1)
2449 				hfld |= ICE_FLOW_HASH_FLD_TCP_SRC_PORT;
2450 			if (nfc->data & RXH_L4_B_2_3)
2451 				hfld |= ICE_FLOW_HASH_FLD_TCP_DST_PORT;
2452 			break;
2453 		case UDP_V4_FLOW:
2454 		case UDP_V6_FLOW:
2455 			if (nfc->data & RXH_L4_B_0_1)
2456 				hfld |= ICE_FLOW_HASH_FLD_UDP_SRC_PORT;
2457 			if (nfc->data & RXH_L4_B_2_3)
2458 				hfld |= ICE_FLOW_HASH_FLD_UDP_DST_PORT;
2459 			break;
2460 		case SCTP_V4_FLOW:
2461 		case SCTP_V6_FLOW:
2462 			if (nfc->data & RXH_L4_B_0_1)
2463 				hfld |= ICE_FLOW_HASH_FLD_SCTP_SRC_PORT;
2464 			if (nfc->data & RXH_L4_B_2_3)
2465 				hfld |= ICE_FLOW_HASH_FLD_SCTP_DST_PORT;
2466 			break;
2467 		default:
2468 			break;
2469 		}
2470 	}
2471 
2472 	return hfld;
2473 }
2474 
2475 /**
2476  * ice_set_rss_hash_opt - Enable/Disable flow types for RSS hash
2477  * @vsi: the VSI being configured
2478  * @nfc: ethtool rxnfc command
2479  *
2480  * Returns Success if the flow input set is supported.
2481  */
2482 static int
2483 ice_set_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc)
2484 {
2485 	struct ice_pf *pf = vsi->back;
2486 	enum ice_status status;
2487 	struct device *dev;
2488 	u64 hashed_flds;
2489 	u32 hdrs;
2490 
2491 	dev = ice_pf_to_dev(pf);
2492 	if (ice_is_safe_mode(pf)) {
2493 		dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n",
2494 			vsi->vsi_num);
2495 		return -EINVAL;
2496 	}
2497 
2498 	hashed_flds = ice_parse_hash_flds(nfc);
2499 	if (hashed_flds == ICE_HASH_INVALID) {
2500 		dev_dbg(dev, "Invalid hash fields, vsi num = %d\n",
2501 			vsi->vsi_num);
2502 		return -EINVAL;
2503 	}
2504 
2505 	hdrs = ice_parse_hdrs(nfc);
2506 	if (hdrs == ICE_FLOW_SEG_HDR_NONE) {
2507 		dev_dbg(dev, "Header type is not valid, vsi num = %d\n",
2508 			vsi->vsi_num);
2509 		return -EINVAL;
2510 	}
2511 
2512 	status = ice_add_rss_cfg(&pf->hw, vsi->idx, hashed_flds, hdrs);
2513 	if (status) {
2514 		dev_dbg(dev, "ice_add_rss_cfg failed, vsi num = %d, error = %s\n",
2515 			vsi->vsi_num, ice_stat_str(status));
2516 		return -EINVAL;
2517 	}
2518 
2519 	return 0;
2520 }
2521 
2522 /**
2523  * ice_get_rss_hash_opt - Retrieve hash fields for a given flow-type
2524  * @vsi: the VSI being configured
2525  * @nfc: ethtool rxnfc command
2526  */
2527 static void
2528 ice_get_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc)
2529 {
2530 	struct ice_pf *pf = vsi->back;
2531 	struct device *dev;
2532 	u64 hash_flds;
2533 	u32 hdrs;
2534 
2535 	dev = ice_pf_to_dev(pf);
2536 
2537 	nfc->data = 0;
2538 	if (ice_is_safe_mode(pf)) {
2539 		dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n",
2540 			vsi->vsi_num);
2541 		return;
2542 	}
2543 
2544 	hdrs = ice_parse_hdrs(nfc);
2545 	if (hdrs == ICE_FLOW_SEG_HDR_NONE) {
2546 		dev_dbg(dev, "Header type is not valid, vsi num = %d\n",
2547 			vsi->vsi_num);
2548 		return;
2549 	}
2550 
2551 	hash_flds = ice_get_rss_cfg(&pf->hw, vsi->idx, hdrs);
2552 	if (hash_flds == ICE_HASH_INVALID) {
2553 		dev_dbg(dev, "No hash fields found for the given header type, vsi num = %d\n",
2554 			vsi->vsi_num);
2555 		return;
2556 	}
2557 
2558 	if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_SA ||
2559 	    hash_flds & ICE_FLOW_HASH_FLD_IPV6_SA)
2560 		nfc->data |= (u64)RXH_IP_SRC;
2561 
2562 	if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_DA ||
2563 	    hash_flds & ICE_FLOW_HASH_FLD_IPV6_DA)
2564 		nfc->data |= (u64)RXH_IP_DST;
2565 
2566 	if (hash_flds & ICE_FLOW_HASH_FLD_TCP_SRC_PORT ||
2567 	    hash_flds & ICE_FLOW_HASH_FLD_UDP_SRC_PORT ||
2568 	    hash_flds & ICE_FLOW_HASH_FLD_SCTP_SRC_PORT)
2569 		nfc->data |= (u64)RXH_L4_B_0_1;
2570 
2571 	if (hash_flds & ICE_FLOW_HASH_FLD_TCP_DST_PORT ||
2572 	    hash_flds & ICE_FLOW_HASH_FLD_UDP_DST_PORT ||
2573 	    hash_flds & ICE_FLOW_HASH_FLD_SCTP_DST_PORT)
2574 		nfc->data |= (u64)RXH_L4_B_2_3;
2575 }
2576 
2577 /**
2578  * ice_set_rxnfc - command to set Rx flow rules.
2579  * @netdev: network interface device structure
2580  * @cmd: ethtool rxnfc command
2581  *
2582  * Returns 0 for success and negative values for errors
2583  */
2584 static int ice_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
2585 {
2586 	struct ice_netdev_priv *np = netdev_priv(netdev);
2587 	struct ice_vsi *vsi = np->vsi;
2588 
2589 	switch (cmd->cmd) {
2590 	case ETHTOOL_SRXCLSRLINS:
2591 		return ice_add_fdir_ethtool(vsi, cmd);
2592 	case ETHTOOL_SRXCLSRLDEL:
2593 		return ice_del_fdir_ethtool(vsi, cmd);
2594 	case ETHTOOL_SRXFH:
2595 		return ice_set_rss_hash_opt(vsi, cmd);
2596 	default:
2597 		break;
2598 	}
2599 	return -EOPNOTSUPP;
2600 }
2601 
2602 /**
2603  * ice_get_rxnfc - command to get Rx flow classification rules
2604  * @netdev: network interface device structure
2605  * @cmd: ethtool rxnfc command
2606  * @rule_locs: buffer to rturn Rx flow classification rules
2607  *
2608  * Returns Success if the command is supported.
2609  */
2610 static int
2611 ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
2612 	      u32 __always_unused *rule_locs)
2613 {
2614 	struct ice_netdev_priv *np = netdev_priv(netdev);
2615 	struct ice_vsi *vsi = np->vsi;
2616 	int ret = -EOPNOTSUPP;
2617 	struct ice_hw *hw;
2618 
2619 	hw = &vsi->back->hw;
2620 
2621 	switch (cmd->cmd) {
2622 	case ETHTOOL_GRXRINGS:
2623 		cmd->data = vsi->rss_size;
2624 		ret = 0;
2625 		break;
2626 	case ETHTOOL_GRXCLSRLCNT:
2627 		cmd->rule_cnt = hw->fdir_active_fltr;
2628 		/* report total rule count */
2629 		cmd->data = ice_get_fdir_cnt_all(hw);
2630 		ret = 0;
2631 		break;
2632 	case ETHTOOL_GRXCLSRULE:
2633 		ret = ice_get_ethtool_fdir_entry(hw, cmd);
2634 		break;
2635 	case ETHTOOL_GRXCLSRLALL:
2636 		ret = ice_get_fdir_fltr_ids(hw, cmd, (u32 *)rule_locs);
2637 		break;
2638 	case ETHTOOL_GRXFH:
2639 		ice_get_rss_hash_opt(vsi, cmd);
2640 		ret = 0;
2641 		break;
2642 	default:
2643 		break;
2644 	}
2645 
2646 	return ret;
2647 }
2648 
2649 static void
2650 ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring)
2651 {
2652 	struct ice_netdev_priv *np = netdev_priv(netdev);
2653 	struct ice_vsi *vsi = np->vsi;
2654 
2655 	ring->rx_max_pending = ICE_MAX_NUM_DESC;
2656 	ring->tx_max_pending = ICE_MAX_NUM_DESC;
2657 	ring->rx_pending = vsi->rx_rings[0]->count;
2658 	ring->tx_pending = vsi->tx_rings[0]->count;
2659 
2660 	/* Rx mini and jumbo rings are not supported */
2661 	ring->rx_mini_max_pending = 0;
2662 	ring->rx_jumbo_max_pending = 0;
2663 	ring->rx_mini_pending = 0;
2664 	ring->rx_jumbo_pending = 0;
2665 }
2666 
2667 static int
2668 ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring)
2669 {
2670 	struct ice_ring *tx_rings = NULL, *rx_rings = NULL;
2671 	struct ice_netdev_priv *np = netdev_priv(netdev);
2672 	struct ice_ring *xdp_rings = NULL;
2673 	struct ice_vsi *vsi = np->vsi;
2674 	struct ice_pf *pf = vsi->back;
2675 	int i, timeout = 50, err = 0;
2676 	u16 new_rx_cnt, new_tx_cnt;
2677 
2678 	if (ring->tx_pending > ICE_MAX_NUM_DESC ||
2679 	    ring->tx_pending < ICE_MIN_NUM_DESC ||
2680 	    ring->rx_pending > ICE_MAX_NUM_DESC ||
2681 	    ring->rx_pending < ICE_MIN_NUM_DESC) {
2682 		netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n",
2683 			   ring->tx_pending, ring->rx_pending,
2684 			   ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC,
2685 			   ICE_REQ_DESC_MULTIPLE);
2686 		return -EINVAL;
2687 	}
2688 
2689 	new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE);
2690 	if (new_tx_cnt != ring->tx_pending)
2691 		netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n",
2692 			    new_tx_cnt);
2693 	new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE);
2694 	if (new_rx_cnt != ring->rx_pending)
2695 		netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n",
2696 			    new_rx_cnt);
2697 
2698 	/* if nothing to do return success */
2699 	if (new_tx_cnt == vsi->tx_rings[0]->count &&
2700 	    new_rx_cnt == vsi->rx_rings[0]->count) {
2701 		netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n");
2702 		return 0;
2703 	}
2704 
2705 	/* If there is a AF_XDP UMEM attached to any of Rx rings,
2706 	 * disallow changing the number of descriptors -- regardless
2707 	 * if the netdev is running or not.
2708 	 */
2709 	if (ice_xsk_any_rx_ring_ena(vsi))
2710 		return -EBUSY;
2711 
2712 	while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) {
2713 		timeout--;
2714 		if (!timeout)
2715 			return -EBUSY;
2716 		usleep_range(1000, 2000);
2717 	}
2718 
2719 	/* set for the next time the netdev is started */
2720 	if (!netif_running(vsi->netdev)) {
2721 		for (i = 0; i < vsi->alloc_txq; i++)
2722 			vsi->tx_rings[i]->count = new_tx_cnt;
2723 		for (i = 0; i < vsi->alloc_rxq; i++)
2724 			vsi->rx_rings[i]->count = new_rx_cnt;
2725 		if (ice_is_xdp_ena_vsi(vsi))
2726 			for (i = 0; i < vsi->num_xdp_txq; i++)
2727 				vsi->xdp_rings[i]->count = new_tx_cnt;
2728 		vsi->num_tx_desc = (u16)new_tx_cnt;
2729 		vsi->num_rx_desc = (u16)new_rx_cnt;
2730 		netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n");
2731 		goto done;
2732 	}
2733 
2734 	if (new_tx_cnt == vsi->tx_rings[0]->count)
2735 		goto process_rx;
2736 
2737 	/* alloc updated Tx resources */
2738 	netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n",
2739 		    vsi->tx_rings[0]->count, new_tx_cnt);
2740 
2741 	tx_rings = kcalloc(vsi->num_txq, sizeof(*tx_rings), GFP_KERNEL);
2742 	if (!tx_rings) {
2743 		err = -ENOMEM;
2744 		goto done;
2745 	}
2746 
2747 	ice_for_each_txq(vsi, i) {
2748 		/* clone ring and setup updated count */
2749 		tx_rings[i] = *vsi->tx_rings[i];
2750 		tx_rings[i].count = new_tx_cnt;
2751 		tx_rings[i].desc = NULL;
2752 		tx_rings[i].tx_buf = NULL;
2753 		err = ice_setup_tx_ring(&tx_rings[i]);
2754 		if (err) {
2755 			while (i--)
2756 				ice_clean_tx_ring(&tx_rings[i]);
2757 			kfree(tx_rings);
2758 			goto done;
2759 		}
2760 	}
2761 
2762 	if (!ice_is_xdp_ena_vsi(vsi))
2763 		goto process_rx;
2764 
2765 	/* alloc updated XDP resources */
2766 	netdev_info(netdev, "Changing XDP descriptor count from %d to %d\n",
2767 		    vsi->xdp_rings[0]->count, new_tx_cnt);
2768 
2769 	xdp_rings = kcalloc(vsi->num_xdp_txq, sizeof(*xdp_rings), GFP_KERNEL);
2770 	if (!xdp_rings) {
2771 		err = -ENOMEM;
2772 		goto free_tx;
2773 	}
2774 
2775 	for (i = 0; i < vsi->num_xdp_txq; i++) {
2776 		/* clone ring and setup updated count */
2777 		xdp_rings[i] = *vsi->xdp_rings[i];
2778 		xdp_rings[i].count = new_tx_cnt;
2779 		xdp_rings[i].desc = NULL;
2780 		xdp_rings[i].tx_buf = NULL;
2781 		err = ice_setup_tx_ring(&xdp_rings[i]);
2782 		if (err) {
2783 			while (i--)
2784 				ice_clean_tx_ring(&xdp_rings[i]);
2785 			kfree(xdp_rings);
2786 			goto free_tx;
2787 		}
2788 		ice_set_ring_xdp(&xdp_rings[i]);
2789 	}
2790 
2791 process_rx:
2792 	if (new_rx_cnt == vsi->rx_rings[0]->count)
2793 		goto process_link;
2794 
2795 	/* alloc updated Rx resources */
2796 	netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n",
2797 		    vsi->rx_rings[0]->count, new_rx_cnt);
2798 
2799 	rx_rings = kcalloc(vsi->num_rxq, sizeof(*rx_rings), GFP_KERNEL);
2800 	if (!rx_rings) {
2801 		err = -ENOMEM;
2802 		goto done;
2803 	}
2804 
2805 	ice_for_each_rxq(vsi, i) {
2806 		/* clone ring and setup updated count */
2807 		rx_rings[i] = *vsi->rx_rings[i];
2808 		rx_rings[i].count = new_rx_cnt;
2809 		rx_rings[i].desc = NULL;
2810 		rx_rings[i].rx_buf = NULL;
2811 		/* this is to allow wr32 to have something to write to
2812 		 * during early allocation of Rx buffers
2813 		 */
2814 		rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS;
2815 
2816 		err = ice_setup_rx_ring(&rx_rings[i]);
2817 		if (err)
2818 			goto rx_unwind;
2819 
2820 		/* allocate Rx buffers */
2821 		err = ice_alloc_rx_bufs(&rx_rings[i],
2822 					ICE_DESC_UNUSED(&rx_rings[i]));
2823 rx_unwind:
2824 		if (err) {
2825 			while (i) {
2826 				i--;
2827 				ice_free_rx_ring(&rx_rings[i]);
2828 			}
2829 			kfree(rx_rings);
2830 			err = -ENOMEM;
2831 			goto free_tx;
2832 		}
2833 	}
2834 
2835 process_link:
2836 	/* Bring interface down, copy in the new ring info, then restore the
2837 	 * interface. if VSI is up, bring it down and then back up
2838 	 */
2839 	if (!test_and_set_bit(ICE_VSI_DOWN, vsi->state)) {
2840 		ice_down(vsi);
2841 
2842 		if (tx_rings) {
2843 			ice_for_each_txq(vsi, i) {
2844 				ice_free_tx_ring(vsi->tx_rings[i]);
2845 				*vsi->tx_rings[i] = tx_rings[i];
2846 			}
2847 			kfree(tx_rings);
2848 		}
2849 
2850 		if (rx_rings) {
2851 			ice_for_each_rxq(vsi, i) {
2852 				ice_free_rx_ring(vsi->rx_rings[i]);
2853 				/* copy the real tail offset */
2854 				rx_rings[i].tail = vsi->rx_rings[i]->tail;
2855 				/* this is to fake out the allocation routine
2856 				 * into thinking it has to realloc everything
2857 				 * but the recycling logic will let us re-use
2858 				 * the buffers allocated above
2859 				 */
2860 				rx_rings[i].next_to_use = 0;
2861 				rx_rings[i].next_to_clean = 0;
2862 				rx_rings[i].next_to_alloc = 0;
2863 				*vsi->rx_rings[i] = rx_rings[i];
2864 			}
2865 			kfree(rx_rings);
2866 		}
2867 
2868 		if (xdp_rings) {
2869 			for (i = 0; i < vsi->num_xdp_txq; i++) {
2870 				ice_free_tx_ring(vsi->xdp_rings[i]);
2871 				*vsi->xdp_rings[i] = xdp_rings[i];
2872 			}
2873 			kfree(xdp_rings);
2874 		}
2875 
2876 		vsi->num_tx_desc = new_tx_cnt;
2877 		vsi->num_rx_desc = new_rx_cnt;
2878 		ice_up(vsi);
2879 	}
2880 	goto done;
2881 
2882 free_tx:
2883 	/* error cleanup if the Rx allocations failed after getting Tx */
2884 	if (tx_rings) {
2885 		ice_for_each_txq(vsi, i)
2886 			ice_free_tx_ring(&tx_rings[i]);
2887 		kfree(tx_rings);
2888 	}
2889 
2890 done:
2891 	clear_bit(ICE_CFG_BUSY, pf->state);
2892 	return err;
2893 }
2894 
2895 /**
2896  * ice_get_pauseparam - Get Flow Control status
2897  * @netdev: network interface device structure
2898  * @pause: ethernet pause (flow control) parameters
2899  *
2900  * Get requested flow control status from PHY capability.
2901  * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which
2902  * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report
2903  * the negotiated Rx/Tx pause via lp_advertising.
2904  */
2905 static void
2906 ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
2907 {
2908 	struct ice_netdev_priv *np = netdev_priv(netdev);
2909 	struct ice_port_info *pi = np->vsi->port_info;
2910 	struct ice_aqc_get_phy_caps_data *pcaps;
2911 	struct ice_dcbx_cfg *dcbx_cfg;
2912 	enum ice_status status;
2913 
2914 	/* Initialize pause params */
2915 	pause->rx_pause = 0;
2916 	pause->tx_pause = 0;
2917 
2918 	dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg;
2919 
2920 	pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);
2921 	if (!pcaps)
2922 		return;
2923 
2924 	/* Get current PHY config */
2925 	status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps,
2926 				     NULL);
2927 	if (status)
2928 		goto out;
2929 
2930 	pause->autoneg = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE :
2931 							     AUTONEG_DISABLE;
2932 
2933 	if (dcbx_cfg->pfc.pfcena)
2934 		/* PFC enabled so report LFC as off */
2935 		goto out;
2936 
2937 	if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE)
2938 		pause->tx_pause = 1;
2939 	if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)
2940 		pause->rx_pause = 1;
2941 
2942 out:
2943 	kfree(pcaps);
2944 }
2945 
2946 /**
2947  * ice_set_pauseparam - Set Flow Control parameter
2948  * @netdev: network interface device structure
2949  * @pause: return Tx/Rx flow control status
2950  */
2951 static int
2952 ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
2953 {
2954 	struct ice_netdev_priv *np = netdev_priv(netdev);
2955 	struct ice_aqc_get_phy_caps_data *pcaps;
2956 	struct ice_link_status *hw_link_info;
2957 	struct ice_pf *pf = np->vsi->back;
2958 	struct ice_dcbx_cfg *dcbx_cfg;
2959 	struct ice_vsi *vsi = np->vsi;
2960 	struct ice_hw *hw = &pf->hw;
2961 	struct ice_port_info *pi;
2962 	enum ice_status status;
2963 	u8 aq_failures;
2964 	bool link_up;
2965 	int err = 0;
2966 	u32 is_an;
2967 
2968 	pi = vsi->port_info;
2969 	hw_link_info = &pi->phy.link_info;
2970 	dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg;
2971 	link_up = hw_link_info->link_info & ICE_AQ_LINK_UP;
2972 
2973 	/* Changing the port's flow control is not supported if this isn't the
2974 	 * PF VSI
2975 	 */
2976 	if (vsi->type != ICE_VSI_PF) {
2977 		netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n");
2978 		return -EOPNOTSUPP;
2979 	}
2980 
2981 	/* Get pause param reports configured and negotiated flow control pause
2982 	 * when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is
2983 	 * defined get pause param pause->autoneg reports SW configured setting,
2984 	 * so compare pause->autoneg with SW configured to prevent the user from
2985 	 * using set pause param to chance autoneg.
2986 	 */
2987 	pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);
2988 	if (!pcaps)
2989 		return -ENOMEM;
2990 
2991 	/* Get current PHY config */
2992 	status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps,
2993 				     NULL);
2994 	if (status) {
2995 		kfree(pcaps);
2996 		return -EIO;
2997 	}
2998 
2999 	is_an = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE :
3000 						    AUTONEG_DISABLE;
3001 
3002 	kfree(pcaps);
3003 
3004 	if (pause->autoneg != is_an) {
3005 		netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");
3006 		return -EOPNOTSUPP;
3007 	}
3008 
3009 	/* If we have link and don't have autoneg */
3010 	if (!test_bit(ICE_DOWN, pf->state) &&
3011 	    !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) {
3012 		/* Send message that it might not necessarily work*/
3013 		netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n");
3014 	}
3015 
3016 	if (dcbx_cfg->pfc.pfcena) {
3017 		netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n");
3018 		return -EOPNOTSUPP;
3019 	}
3020 	if (pause->rx_pause && pause->tx_pause)
3021 		pi->fc.req_mode = ICE_FC_FULL;
3022 	else if (pause->rx_pause && !pause->tx_pause)
3023 		pi->fc.req_mode = ICE_FC_RX_PAUSE;
3024 	else if (!pause->rx_pause && pause->tx_pause)
3025 		pi->fc.req_mode = ICE_FC_TX_PAUSE;
3026 	else if (!pause->rx_pause && !pause->tx_pause)
3027 		pi->fc.req_mode = ICE_FC_NONE;
3028 	else
3029 		return -EINVAL;
3030 
3031 	/* Set the FC mode and only restart AN if link is up */
3032 	status = ice_set_fc(pi, &aq_failures, link_up);
3033 
3034 	if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) {
3035 		netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %s aq_err %s\n",
3036 			    ice_stat_str(status),
3037 			    ice_aq_str(hw->adminq.sq_last_status));
3038 		err = -EAGAIN;
3039 	} else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) {
3040 		netdev_info(netdev, "Set fc failed on the set_phy_config call with err %s aq_err %s\n",
3041 			    ice_stat_str(status),
3042 			    ice_aq_str(hw->adminq.sq_last_status));
3043 		err = -EAGAIN;
3044 	} else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) {
3045 		netdev_info(netdev, "Set fc failed on the get_link_info call with err %s aq_err %s\n",
3046 			    ice_stat_str(status),
3047 			    ice_aq_str(hw->adminq.sq_last_status));
3048 		err = -EAGAIN;
3049 	}
3050 
3051 	return err;
3052 }
3053 
3054 /**
3055  * ice_get_rxfh_key_size - get the RSS hash key size
3056  * @netdev: network interface device structure
3057  *
3058  * Returns the table size.
3059  */
3060 static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev)
3061 {
3062 	return ICE_VSIQF_HKEY_ARRAY_SIZE;
3063 }
3064 
3065 /**
3066  * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size
3067  * @netdev: network interface device structure
3068  *
3069  * Returns the table size.
3070  */
3071 static u32 ice_get_rxfh_indir_size(struct net_device *netdev)
3072 {
3073 	struct ice_netdev_priv *np = netdev_priv(netdev);
3074 
3075 	return np->vsi->rss_table_size;
3076 }
3077 
3078 /**
3079  * ice_get_rxfh - get the Rx flow hash indirection table
3080  * @netdev: network interface device structure
3081  * @indir: indirection table
3082  * @key: hash key
3083  * @hfunc: hash function
3084  *
3085  * Reads the indirection table directly from the hardware.
3086  */
3087 static int
3088 ice_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc)
3089 {
3090 	struct ice_netdev_priv *np = netdev_priv(netdev);
3091 	struct ice_vsi *vsi = np->vsi;
3092 	struct ice_pf *pf = vsi->back;
3093 	int err, i;
3094 	u8 *lut;
3095 
3096 	if (hfunc)
3097 		*hfunc = ETH_RSS_HASH_TOP;
3098 
3099 	if (!indir)
3100 		return 0;
3101 
3102 	if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
3103 		/* RSS not supported return error here */
3104 		netdev_warn(netdev, "RSS is not configured on this VSI!\n");
3105 		return -EIO;
3106 	}
3107 
3108 	lut = kzalloc(vsi->rss_table_size, GFP_KERNEL);
3109 	if (!lut)
3110 		return -ENOMEM;
3111 
3112 	err = ice_get_rss_key(vsi, key);
3113 	if (err)
3114 		goto out;
3115 
3116 	err = ice_get_rss_lut(vsi, lut, vsi->rss_table_size);
3117 	if (err)
3118 		goto out;
3119 
3120 	for (i = 0; i < vsi->rss_table_size; i++)
3121 		indir[i] = (u32)(lut[i]);
3122 
3123 out:
3124 	kfree(lut);
3125 	return err;
3126 }
3127 
3128 /**
3129  * ice_set_rxfh - set the Rx flow hash indirection table
3130  * @netdev: network interface device structure
3131  * @indir: indirection table
3132  * @key: hash key
3133  * @hfunc: hash function
3134  *
3135  * Returns -EINVAL if the table specifies an invalid queue ID, otherwise
3136  * returns 0 after programming the table.
3137  */
3138 static int
3139 ice_set_rxfh(struct net_device *netdev, const u32 *indir, const u8 *key,
3140 	     const u8 hfunc)
3141 {
3142 	struct ice_netdev_priv *np = netdev_priv(netdev);
3143 	struct ice_vsi *vsi = np->vsi;
3144 	struct ice_pf *pf = vsi->back;
3145 	struct device *dev;
3146 	int err;
3147 
3148 	dev = ice_pf_to_dev(pf);
3149 	if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
3150 		return -EOPNOTSUPP;
3151 
3152 	if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
3153 		/* RSS not supported return error here */
3154 		netdev_warn(netdev, "RSS is not configured on this VSI!\n");
3155 		return -EIO;
3156 	}
3157 
3158 	if (key) {
3159 		if (!vsi->rss_hkey_user) {
3160 			vsi->rss_hkey_user =
3161 				devm_kzalloc(dev, ICE_VSIQF_HKEY_ARRAY_SIZE,
3162 					     GFP_KERNEL);
3163 			if (!vsi->rss_hkey_user)
3164 				return -ENOMEM;
3165 		}
3166 		memcpy(vsi->rss_hkey_user, key, ICE_VSIQF_HKEY_ARRAY_SIZE);
3167 
3168 		err = ice_set_rss_key(vsi, vsi->rss_hkey_user);
3169 		if (err)
3170 			return err;
3171 	}
3172 
3173 	if (!vsi->rss_lut_user) {
3174 		vsi->rss_lut_user = devm_kzalloc(dev, vsi->rss_table_size,
3175 						 GFP_KERNEL);
3176 		if (!vsi->rss_lut_user)
3177 			return -ENOMEM;
3178 	}
3179 
3180 	/* Each 32 bits pointed by 'indir' is stored with a lut entry */
3181 	if (indir) {
3182 		int i;
3183 
3184 		for (i = 0; i < vsi->rss_table_size; i++)
3185 			vsi->rss_lut_user[i] = (u8)(indir[i]);
3186 	} else {
3187 		ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size,
3188 				 vsi->rss_size);
3189 	}
3190 
3191 	err = ice_set_rss_lut(vsi, vsi->rss_lut_user, vsi->rss_table_size);
3192 	if (err)
3193 		return err;
3194 
3195 	return 0;
3196 }
3197 
3198 static int
3199 ice_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info)
3200 {
3201 	struct ice_pf *pf = ice_netdev_to_pf(dev);
3202 
3203 	/* only report timestamping if PTP is enabled */
3204 	if (!test_bit(ICE_FLAG_PTP, pf->flags))
3205 		return ethtool_op_get_ts_info(dev, info);
3206 
3207 	info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
3208 				SOF_TIMESTAMPING_RX_SOFTWARE |
3209 				SOF_TIMESTAMPING_SOFTWARE |
3210 				SOF_TIMESTAMPING_TX_HARDWARE |
3211 				SOF_TIMESTAMPING_RX_HARDWARE |
3212 				SOF_TIMESTAMPING_RAW_HARDWARE;
3213 
3214 	info->phc_index = ice_get_ptp_clock_index(pf);
3215 
3216 	info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
3217 
3218 	info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | BIT(HWTSTAMP_FILTER_ALL);
3219 
3220 	return 0;
3221 }
3222 
3223 /**
3224  * ice_get_max_txq - return the maximum number of Tx queues for in a PF
3225  * @pf: PF structure
3226  */
3227 static int ice_get_max_txq(struct ice_pf *pf)
3228 {
3229 	return min3(pf->num_lan_msix, (u16)num_online_cpus(),
3230 		    (u16)pf->hw.func_caps.common_cap.num_txq);
3231 }
3232 
3233 /**
3234  * ice_get_max_rxq - return the maximum number of Rx queues for in a PF
3235  * @pf: PF structure
3236  */
3237 static int ice_get_max_rxq(struct ice_pf *pf)
3238 {
3239 	return min3(pf->num_lan_msix, (u16)num_online_cpus(),
3240 		    (u16)pf->hw.func_caps.common_cap.num_rxq);
3241 }
3242 
3243 /**
3244  * ice_get_combined_cnt - return the current number of combined channels
3245  * @vsi: PF VSI pointer
3246  *
3247  * Go through all queue vectors and count ones that have both Rx and Tx ring
3248  * attached
3249  */
3250 static u32 ice_get_combined_cnt(struct ice_vsi *vsi)
3251 {
3252 	u32 combined = 0;
3253 	int q_idx;
3254 
3255 	ice_for_each_q_vector(vsi, q_idx) {
3256 		struct ice_q_vector *q_vector = vsi->q_vectors[q_idx];
3257 
3258 		if (q_vector->rx.ring && q_vector->tx.ring)
3259 			combined++;
3260 	}
3261 
3262 	return combined;
3263 }
3264 
3265 /**
3266  * ice_get_channels - get the current and max supported channels
3267  * @dev: network interface device structure
3268  * @ch: ethtool channel data structure
3269  */
3270 static void
3271 ice_get_channels(struct net_device *dev, struct ethtool_channels *ch)
3272 {
3273 	struct ice_netdev_priv *np = netdev_priv(dev);
3274 	struct ice_vsi *vsi = np->vsi;
3275 	struct ice_pf *pf = vsi->back;
3276 
3277 	/* report maximum channels */
3278 	ch->max_rx = ice_get_max_rxq(pf);
3279 	ch->max_tx = ice_get_max_txq(pf);
3280 	ch->max_combined = min_t(int, ch->max_rx, ch->max_tx);
3281 
3282 	/* report current channels */
3283 	ch->combined_count = ice_get_combined_cnt(vsi);
3284 	ch->rx_count = vsi->num_rxq - ch->combined_count;
3285 	ch->tx_count = vsi->num_txq - ch->combined_count;
3286 
3287 	/* report other queues */
3288 	ch->other_count = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0;
3289 	ch->max_other = ch->other_count;
3290 }
3291 
3292 /**
3293  * ice_get_valid_rss_size - return valid number of RSS queues
3294  * @hw: pointer to the HW structure
3295  * @new_size: requested RSS queues
3296  */
3297 static int ice_get_valid_rss_size(struct ice_hw *hw, int new_size)
3298 {
3299 	struct ice_hw_common_caps *caps = &hw->func_caps.common_cap;
3300 
3301 	return min_t(int, new_size, BIT(caps->rss_table_entry_width));
3302 }
3303 
3304 /**
3305  * ice_vsi_set_dflt_rss_lut - set default RSS LUT with requested RSS size
3306  * @vsi: VSI to reconfigure RSS LUT on
3307  * @req_rss_size: requested range of queue numbers for hashing
3308  *
3309  * Set the VSI's RSS parameters, configure the RSS LUT based on these.
3310  */
3311 static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size)
3312 {
3313 	struct ice_pf *pf = vsi->back;
3314 	struct device *dev;
3315 	struct ice_hw *hw;
3316 	int err;
3317 	u8 *lut;
3318 
3319 	dev = ice_pf_to_dev(pf);
3320 	hw = &pf->hw;
3321 
3322 	if (!req_rss_size)
3323 		return -EINVAL;
3324 
3325 	lut = kzalloc(vsi->rss_table_size, GFP_KERNEL);
3326 	if (!lut)
3327 		return -ENOMEM;
3328 
3329 	/* set RSS LUT parameters */
3330 	if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags))
3331 		vsi->rss_size = 1;
3332 	else
3333 		vsi->rss_size = ice_get_valid_rss_size(hw, req_rss_size);
3334 
3335 	/* create/set RSS LUT */
3336 	ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size);
3337 	err = ice_set_rss_lut(vsi, lut, vsi->rss_table_size);
3338 	if (err)
3339 		dev_err(dev, "Cannot set RSS lut, err %d aq_err %s\n", err,
3340 			ice_aq_str(hw->adminq.sq_last_status));
3341 
3342 	kfree(lut);
3343 	return err;
3344 }
3345 
3346 /**
3347  * ice_set_channels - set the number channels
3348  * @dev: network interface device structure
3349  * @ch: ethtool channel data structure
3350  */
3351 static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch)
3352 {
3353 	struct ice_netdev_priv *np = netdev_priv(dev);
3354 	struct ice_vsi *vsi = np->vsi;
3355 	struct ice_pf *pf = vsi->back;
3356 	int new_rx = 0, new_tx = 0;
3357 	u32 curr_combined;
3358 
3359 	/* do not support changing channels in Safe Mode */
3360 	if (ice_is_safe_mode(pf)) {
3361 		netdev_err(dev, "Changing channel in Safe Mode is not supported\n");
3362 		return -EOPNOTSUPP;
3363 	}
3364 	/* do not support changing other_count */
3365 	if (ch->other_count != (test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1U : 0U))
3366 		return -EINVAL;
3367 
3368 	if (test_bit(ICE_FLAG_FD_ENA, pf->flags) && pf->hw.fdir_active_fltr) {
3369 		netdev_err(dev, "Cannot set channels when Flow Director filters are active\n");
3370 		return -EOPNOTSUPP;
3371 	}
3372 
3373 	curr_combined = ice_get_combined_cnt(vsi);
3374 
3375 	/* these checks are for cases where user didn't specify a particular
3376 	 * value on cmd line but we get non-zero value anyway via
3377 	 * get_channels(); look at ethtool.c in ethtool repository (the user
3378 	 * space part), particularly, do_schannels() routine
3379 	 */
3380 	if (ch->rx_count == vsi->num_rxq - curr_combined)
3381 		ch->rx_count = 0;
3382 	if (ch->tx_count == vsi->num_txq - curr_combined)
3383 		ch->tx_count = 0;
3384 	if (ch->combined_count == curr_combined)
3385 		ch->combined_count = 0;
3386 
3387 	if (!(ch->combined_count || (ch->rx_count && ch->tx_count))) {
3388 		netdev_err(dev, "Please specify at least 1 Rx and 1 Tx channel\n");
3389 		return -EINVAL;
3390 	}
3391 
3392 	new_rx = ch->combined_count + ch->rx_count;
3393 	new_tx = ch->combined_count + ch->tx_count;
3394 
3395 	if (new_rx > ice_get_max_rxq(pf)) {
3396 		netdev_err(dev, "Maximum allowed Rx channels is %d\n",
3397 			   ice_get_max_rxq(pf));
3398 		return -EINVAL;
3399 	}
3400 	if (new_tx > ice_get_max_txq(pf)) {
3401 		netdev_err(dev, "Maximum allowed Tx channels is %d\n",
3402 			   ice_get_max_txq(pf));
3403 		return -EINVAL;
3404 	}
3405 
3406 	ice_vsi_recfg_qs(vsi, new_rx, new_tx);
3407 
3408 	if (!netif_is_rxfh_configured(dev))
3409 		return ice_vsi_set_dflt_rss_lut(vsi, new_rx);
3410 
3411 	/* Update rss_size due to change in Rx queues */
3412 	vsi->rss_size = ice_get_valid_rss_size(&pf->hw, new_rx);
3413 
3414 	return 0;
3415 }
3416 
3417 /**
3418  * ice_get_wol - get current Wake on LAN configuration
3419  * @netdev: network interface device structure
3420  * @wol: Ethtool structure to retrieve WoL settings
3421  */
3422 static void ice_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
3423 {
3424 	struct ice_netdev_priv *np = netdev_priv(netdev);
3425 	struct ice_pf *pf = np->vsi->back;
3426 
3427 	if (np->vsi->type != ICE_VSI_PF)
3428 		netdev_warn(netdev, "Wake on LAN is not supported on this interface!\n");
3429 
3430 	/* Get WoL settings based on the HW capability */
3431 	if (ice_is_wol_supported(&pf->hw)) {
3432 		wol->supported = WAKE_MAGIC;
3433 		wol->wolopts = pf->wol_ena ? WAKE_MAGIC : 0;
3434 	} else {
3435 		wol->supported = 0;
3436 		wol->wolopts = 0;
3437 	}
3438 }
3439 
3440 /**
3441  * ice_set_wol - set Wake on LAN on supported device
3442  * @netdev: network interface device structure
3443  * @wol: Ethtool structure to set WoL
3444  */
3445 static int ice_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
3446 {
3447 	struct ice_netdev_priv *np = netdev_priv(netdev);
3448 	struct ice_vsi *vsi = np->vsi;
3449 	struct ice_pf *pf = vsi->back;
3450 
3451 	if (vsi->type != ICE_VSI_PF || !ice_is_wol_supported(&pf->hw))
3452 		return -EOPNOTSUPP;
3453 
3454 	/* only magic packet is supported */
3455 	if (wol->wolopts && wol->wolopts != WAKE_MAGIC)
3456 		return -EOPNOTSUPP;
3457 
3458 	/* Set WoL only if there is a new value */
3459 	if (pf->wol_ena != !!wol->wolopts) {
3460 		pf->wol_ena = !!wol->wolopts;
3461 		device_set_wakeup_enable(ice_pf_to_dev(pf), pf->wol_ena);
3462 		netdev_dbg(netdev, "WoL magic packet %sabled\n",
3463 			   pf->wol_ena ? "en" : "dis");
3464 	}
3465 
3466 	return 0;
3467 }
3468 
3469 enum ice_container_type {
3470 	ICE_RX_CONTAINER,
3471 	ICE_TX_CONTAINER,
3472 };
3473 
3474 /**
3475  * ice_get_rc_coalesce - get ITR values for specific ring container
3476  * @ec: ethtool structure to fill with driver's coalesce settings
3477  * @c_type: container type, Rx or Tx
3478  * @rc: ring container that the ITR values will come from
3479  *
3480  * Query the device for ice_ring_container specific ITR values. This is
3481  * done per ice_ring_container because each q_vector can have 1 or more rings
3482  * and all of said ring(s) will have the same ITR values.
3483  *
3484  * Returns 0 on success, negative otherwise.
3485  */
3486 static int
3487 ice_get_rc_coalesce(struct ethtool_coalesce *ec, enum ice_container_type c_type,
3488 		    struct ice_ring_container *rc)
3489 {
3490 	if (!rc->ring)
3491 		return -EINVAL;
3492 
3493 	switch (c_type) {
3494 	case ICE_RX_CONTAINER:
3495 		ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc);
3496 		ec->rx_coalesce_usecs = rc->itr_setting;
3497 		ec->rx_coalesce_usecs_high = rc->ring->q_vector->intrl;
3498 		break;
3499 	case ICE_TX_CONTAINER:
3500 		ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc);
3501 		ec->tx_coalesce_usecs = rc->itr_setting;
3502 		break;
3503 	default:
3504 		dev_dbg(ice_pf_to_dev(rc->ring->vsi->back), "Invalid c_type %d\n", c_type);
3505 		return -EINVAL;
3506 	}
3507 
3508 	return 0;
3509 }
3510 
3511 /**
3512  * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings
3513  * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings
3514  * @ec: coalesce settings to program the device with
3515  * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index
3516  *
3517  * Return 0 on success, and negative under the following conditions:
3518  * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed.
3519  * 2. The q_num passed in is not a valid number/index for Tx and Rx rings.
3520  */
3521 static int
3522 ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num)
3523 {
3524 	if (q_num < vsi->num_rxq && q_num < vsi->num_txq) {
3525 		if (ice_get_rc_coalesce(ec, ICE_RX_CONTAINER,
3526 					&vsi->rx_rings[q_num]->q_vector->rx))
3527 			return -EINVAL;
3528 		if (ice_get_rc_coalesce(ec, ICE_TX_CONTAINER,
3529 					&vsi->tx_rings[q_num]->q_vector->tx))
3530 			return -EINVAL;
3531 	} else if (q_num < vsi->num_rxq) {
3532 		if (ice_get_rc_coalesce(ec, ICE_RX_CONTAINER,
3533 					&vsi->rx_rings[q_num]->q_vector->rx))
3534 			return -EINVAL;
3535 	} else if (q_num < vsi->num_txq) {
3536 		if (ice_get_rc_coalesce(ec, ICE_TX_CONTAINER,
3537 					&vsi->tx_rings[q_num]->q_vector->tx))
3538 			return -EINVAL;
3539 	} else {
3540 		return -EINVAL;
3541 	}
3542 
3543 	return 0;
3544 }
3545 
3546 /**
3547  * __ice_get_coalesce - get ITR/INTRL values for the device
3548  * @netdev: pointer to the netdev associated with this query
3549  * @ec: ethtool structure to fill with driver's coalesce settings
3550  * @q_num: queue number to get the coalesce settings for
3551  *
3552  * If the caller passes in a negative q_num then we return coalesce settings
3553  * based on queue number 0, else use the actual q_num passed in.
3554  */
3555 static int
3556 __ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec,
3557 		   int q_num)
3558 {
3559 	struct ice_netdev_priv *np = netdev_priv(netdev);
3560 	struct ice_vsi *vsi = np->vsi;
3561 
3562 	if (q_num < 0)
3563 		q_num = 0;
3564 
3565 	if (ice_get_q_coalesce(vsi, ec, q_num))
3566 		return -EINVAL;
3567 
3568 	return 0;
3569 }
3570 
3571 static int ice_get_coalesce(struct net_device *netdev,
3572 			    struct ethtool_coalesce *ec,
3573 			    struct kernel_ethtool_coalesce *kernel_coal,
3574 			    struct netlink_ext_ack *extack)
3575 {
3576 	return __ice_get_coalesce(netdev, ec, -1);
3577 }
3578 
3579 static int
3580 ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num,
3581 		       struct ethtool_coalesce *ec)
3582 {
3583 	return __ice_get_coalesce(netdev, ec, q_num);
3584 }
3585 
3586 /**
3587  * ice_set_rc_coalesce - set ITR values for specific ring container
3588  * @c_type: container type, Rx or Tx
3589  * @ec: ethtool structure from user to update ITR settings
3590  * @rc: ring container that the ITR values will come from
3591  * @vsi: VSI associated to the ring container
3592  *
3593  * Set specific ITR values. This is done per ice_ring_container because each
3594  * q_vector can have 1 or more rings and all of said ring(s) will have the same
3595  * ITR values.
3596  *
3597  * Returns 0 on success, negative otherwise.
3598  */
3599 static int
3600 ice_set_rc_coalesce(enum ice_container_type c_type, struct ethtool_coalesce *ec,
3601 		    struct ice_ring_container *rc, struct ice_vsi *vsi)
3602 {
3603 	const char *c_type_str = (c_type == ICE_RX_CONTAINER) ? "rx" : "tx";
3604 	u32 use_adaptive_coalesce, coalesce_usecs;
3605 	struct ice_pf *pf = vsi->back;
3606 	u16 itr_setting;
3607 
3608 	if (!rc->ring)
3609 		return -EINVAL;
3610 
3611 	switch (c_type) {
3612 	case ICE_RX_CONTAINER:
3613 		if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL ||
3614 		    (ec->rx_coalesce_usecs_high &&
3615 		     ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) {
3616 			netdev_info(vsi->netdev, "Invalid value, %s-usecs-high valid values are 0 (disabled), %d-%d\n",
3617 				    c_type_str, pf->hw.intrl_gran,
3618 				    ICE_MAX_INTRL);
3619 			return -EINVAL;
3620 		}
3621 		if (ec->rx_coalesce_usecs_high != rc->ring->q_vector->intrl &&
3622 		    (ec->use_adaptive_rx_coalesce || ec->use_adaptive_tx_coalesce)) {
3623 			netdev_info(vsi->netdev, "Invalid value, %s-usecs-high cannot be changed if adaptive-tx or adaptive-rx is enabled\n",
3624 				    c_type_str);
3625 			return -EINVAL;
3626 		}
3627 		if (ec->rx_coalesce_usecs_high != rc->ring->q_vector->intrl) {
3628 			rc->ring->q_vector->intrl = ec->rx_coalesce_usecs_high;
3629 			ice_write_intrl(rc->ring->q_vector,
3630 					ec->rx_coalesce_usecs_high);
3631 		}
3632 
3633 		use_adaptive_coalesce = ec->use_adaptive_rx_coalesce;
3634 		coalesce_usecs = ec->rx_coalesce_usecs;
3635 
3636 		break;
3637 	case ICE_TX_CONTAINER:
3638 		use_adaptive_coalesce = ec->use_adaptive_tx_coalesce;
3639 		coalesce_usecs = ec->tx_coalesce_usecs;
3640 
3641 		break;
3642 	default:
3643 		dev_dbg(ice_pf_to_dev(pf), "Invalid container type %d\n",
3644 			c_type);
3645 		return -EINVAL;
3646 	}
3647 
3648 	itr_setting = rc->itr_setting;
3649 	if (coalesce_usecs != itr_setting && use_adaptive_coalesce) {
3650 		netdev_info(vsi->netdev, "%s interrupt throttling cannot be changed if adaptive-%s is enabled\n",
3651 			    c_type_str, c_type_str);
3652 		return -EINVAL;
3653 	}
3654 
3655 	if (coalesce_usecs > ICE_ITR_MAX) {
3656 		netdev_info(vsi->netdev, "Invalid value, %s-usecs range is 0-%d\n",
3657 			    c_type_str, ICE_ITR_MAX);
3658 		return -EINVAL;
3659 	}
3660 
3661 	if (use_adaptive_coalesce) {
3662 		rc->itr_mode = ITR_DYNAMIC;
3663 	} else {
3664 		rc->itr_mode = ITR_STATIC;
3665 		/* store user facing value how it was set */
3666 		rc->itr_setting = coalesce_usecs;
3667 		/* write the change to the register */
3668 		ice_write_itr(rc, coalesce_usecs);
3669 		/* force writes to take effect immediately, the flush shouldn't
3670 		 * be done in the functions above because the intent is for
3671 		 * them to do lazy writes.
3672 		 */
3673 		ice_flush(&pf->hw);
3674 	}
3675 
3676 	return 0;
3677 }
3678 
3679 /**
3680  * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings
3681  * @vsi: VSI associated to the queue that need updating
3682  * @ec: coalesce settings to program the device with
3683  * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index
3684  *
3685  * Return 0 on success, and negative under the following conditions:
3686  * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed.
3687  * 2. The q_num passed in is not a valid number/index for Tx and Rx rings.
3688  */
3689 static int
3690 ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num)
3691 {
3692 	if (q_num < vsi->num_rxq && q_num < vsi->num_txq) {
3693 		if (ice_set_rc_coalesce(ICE_RX_CONTAINER, ec,
3694 					&vsi->rx_rings[q_num]->q_vector->rx,
3695 					vsi))
3696 			return -EINVAL;
3697 
3698 		if (ice_set_rc_coalesce(ICE_TX_CONTAINER, ec,
3699 					&vsi->tx_rings[q_num]->q_vector->tx,
3700 					vsi))
3701 			return -EINVAL;
3702 	} else if (q_num < vsi->num_rxq) {
3703 		if (ice_set_rc_coalesce(ICE_RX_CONTAINER, ec,
3704 					&vsi->rx_rings[q_num]->q_vector->rx,
3705 					vsi))
3706 			return -EINVAL;
3707 	} else if (q_num < vsi->num_txq) {
3708 		if (ice_set_rc_coalesce(ICE_TX_CONTAINER, ec,
3709 					&vsi->tx_rings[q_num]->q_vector->tx,
3710 					vsi))
3711 			return -EINVAL;
3712 	} else {
3713 		return -EINVAL;
3714 	}
3715 
3716 	return 0;
3717 }
3718 
3719 /**
3720  * ice_print_if_odd_usecs - print message if user tries to set odd [tx|rx]-usecs
3721  * @netdev: netdev used for print
3722  * @itr_setting: previous user setting
3723  * @use_adaptive_coalesce: if adaptive coalesce is enabled or being enabled
3724  * @coalesce_usecs: requested value of [tx|rx]-usecs
3725  * @c_type_str: either "rx" or "tx" to match user set field of [tx|rx]-usecs
3726  */
3727 static void
3728 ice_print_if_odd_usecs(struct net_device *netdev, u16 itr_setting,
3729 		       u32 use_adaptive_coalesce, u32 coalesce_usecs,
3730 		       const char *c_type_str)
3731 {
3732 	if (use_adaptive_coalesce)
3733 		return;
3734 
3735 	if (itr_setting != coalesce_usecs && (coalesce_usecs % 2))
3736 		netdev_info(netdev, "User set %s-usecs to %d, device only supports even values. Rounding down and attempting to set %s-usecs to %d\n",
3737 			    c_type_str, coalesce_usecs, c_type_str,
3738 			    ITR_REG_ALIGN(coalesce_usecs));
3739 }
3740 
3741 /**
3742  * __ice_set_coalesce - set ITR/INTRL values for the device
3743  * @netdev: pointer to the netdev associated with this query
3744  * @ec: ethtool structure to fill with driver's coalesce settings
3745  * @q_num: queue number to get the coalesce settings for
3746  *
3747  * If the caller passes in a negative q_num then we set the coalesce settings
3748  * for all Tx/Rx queues, else use the actual q_num passed in.
3749  */
3750 static int
3751 __ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec,
3752 		   int q_num)
3753 {
3754 	struct ice_netdev_priv *np = netdev_priv(netdev);
3755 	struct ice_vsi *vsi = np->vsi;
3756 
3757 	if (q_num < 0) {
3758 		struct ice_q_vector *q_vector = vsi->q_vectors[0];
3759 		int v_idx;
3760 
3761 		if (q_vector) {
3762 			ice_print_if_odd_usecs(netdev, q_vector->rx.itr_setting,
3763 					       ec->use_adaptive_rx_coalesce,
3764 					       ec->rx_coalesce_usecs, "rx");
3765 
3766 			ice_print_if_odd_usecs(netdev, q_vector->tx.itr_setting,
3767 					       ec->use_adaptive_tx_coalesce,
3768 					       ec->tx_coalesce_usecs, "tx");
3769 		}
3770 
3771 		ice_for_each_q_vector(vsi, v_idx) {
3772 			/* In some cases if DCB is configured the num_[rx|tx]q
3773 			 * can be less than vsi->num_q_vectors. This check
3774 			 * accounts for that so we don't report a false failure
3775 			 */
3776 			if (v_idx >= vsi->num_rxq && v_idx >= vsi->num_txq)
3777 				goto set_complete;
3778 
3779 			if (ice_set_q_coalesce(vsi, ec, v_idx))
3780 				return -EINVAL;
3781 		}
3782 		goto set_complete;
3783 	}
3784 
3785 	if (ice_set_q_coalesce(vsi, ec, q_num))
3786 		return -EINVAL;
3787 
3788 set_complete:
3789 	return 0;
3790 }
3791 
3792 static int ice_set_coalesce(struct net_device *netdev,
3793 			    struct ethtool_coalesce *ec,
3794 			    struct kernel_ethtool_coalesce *kernel_coal,
3795 			    struct netlink_ext_ack *extack)
3796 {
3797 	return __ice_set_coalesce(netdev, ec, -1);
3798 }
3799 
3800 static int
3801 ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num,
3802 		       struct ethtool_coalesce *ec)
3803 {
3804 	return __ice_set_coalesce(netdev, ec, q_num);
3805 }
3806 
3807 #define ICE_I2C_EEPROM_DEV_ADDR		0xA0
3808 #define ICE_I2C_EEPROM_DEV_ADDR2	0xA2
3809 #define ICE_MODULE_TYPE_SFP		0x03
3810 #define ICE_MODULE_TYPE_QSFP_PLUS	0x0D
3811 #define ICE_MODULE_TYPE_QSFP28		0x11
3812 #define ICE_MODULE_SFF_ADDR_MODE	0x04
3813 #define ICE_MODULE_SFF_DIAG_CAPAB	0x40
3814 #define ICE_MODULE_REVISION_ADDR	0x01
3815 #define ICE_MODULE_SFF_8472_COMP	0x5E
3816 #define ICE_MODULE_SFF_8472_SWAP	0x5C
3817 #define ICE_MODULE_QSFP_MAX_LEN		640
3818 
3819 /**
3820  * ice_get_module_info - get SFF module type and revision information
3821  * @netdev: network interface device structure
3822  * @modinfo: module EEPROM size and layout information structure
3823  */
3824 static int
3825 ice_get_module_info(struct net_device *netdev,
3826 		    struct ethtool_modinfo *modinfo)
3827 {
3828 	struct ice_netdev_priv *np = netdev_priv(netdev);
3829 	struct ice_vsi *vsi = np->vsi;
3830 	struct ice_pf *pf = vsi->back;
3831 	struct ice_hw *hw = &pf->hw;
3832 	enum ice_status status;
3833 	u8 sff8472_comp = 0;
3834 	u8 sff8472_swap = 0;
3835 	u8 sff8636_rev = 0;
3836 	u8 value = 0;
3837 
3838 	status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 0x00, 0x00,
3839 				   0, &value, 1, 0, NULL);
3840 	if (status)
3841 		return -EIO;
3842 
3843 	switch (value) {
3844 	case ICE_MODULE_TYPE_SFP:
3845 		status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
3846 					   ICE_MODULE_SFF_8472_COMP, 0x00, 0,
3847 					   &sff8472_comp, 1, 0, NULL);
3848 		if (status)
3849 			return -EIO;
3850 		status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
3851 					   ICE_MODULE_SFF_8472_SWAP, 0x00, 0,
3852 					   &sff8472_swap, 1, 0, NULL);
3853 		if (status)
3854 			return -EIO;
3855 
3856 		if (sff8472_swap & ICE_MODULE_SFF_ADDR_MODE) {
3857 			modinfo->type = ETH_MODULE_SFF_8079;
3858 			modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
3859 		} else if (sff8472_comp &&
3860 			   (sff8472_swap & ICE_MODULE_SFF_DIAG_CAPAB)) {
3861 			modinfo->type = ETH_MODULE_SFF_8472;
3862 			modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
3863 		} else {
3864 			modinfo->type = ETH_MODULE_SFF_8079;
3865 			modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
3866 		}
3867 		break;
3868 	case ICE_MODULE_TYPE_QSFP_PLUS:
3869 	case ICE_MODULE_TYPE_QSFP28:
3870 		status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
3871 					   ICE_MODULE_REVISION_ADDR, 0x00, 0,
3872 					   &sff8636_rev, 1, 0, NULL);
3873 		if (status)
3874 			return -EIO;
3875 		/* Check revision compliance */
3876 		if (sff8636_rev > 0x02) {
3877 			/* Module is SFF-8636 compliant */
3878 			modinfo->type = ETH_MODULE_SFF_8636;
3879 			modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN;
3880 		} else {
3881 			modinfo->type = ETH_MODULE_SFF_8436;
3882 			modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN;
3883 		}
3884 		break;
3885 	default:
3886 		netdev_warn(netdev, "SFF Module Type not recognized.\n");
3887 		return -EINVAL;
3888 	}
3889 	return 0;
3890 }
3891 
3892 /**
3893  * ice_get_module_eeprom - fill buffer with SFF EEPROM contents
3894  * @netdev: network interface device structure
3895  * @ee: EEPROM dump request structure
3896  * @data: buffer to be filled with EEPROM contents
3897  */
3898 static int
3899 ice_get_module_eeprom(struct net_device *netdev,
3900 		      struct ethtool_eeprom *ee, u8 *data)
3901 {
3902 	struct ice_netdev_priv *np = netdev_priv(netdev);
3903 #define SFF_READ_BLOCK_SIZE 8
3904 	u8 value[SFF_READ_BLOCK_SIZE] = { 0 };
3905 	u8 addr = ICE_I2C_EEPROM_DEV_ADDR;
3906 	struct ice_vsi *vsi = np->vsi;
3907 	struct ice_pf *pf = vsi->back;
3908 	struct ice_hw *hw = &pf->hw;
3909 	enum ice_status status;
3910 	bool is_sfp = false;
3911 	unsigned int i, j;
3912 	u16 offset = 0;
3913 	u8 page = 0;
3914 
3915 	if (!ee || !ee->len || !data)
3916 		return -EINVAL;
3917 
3918 	status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 0, value, 1, 0,
3919 				   NULL);
3920 	if (status)
3921 		return -EIO;
3922 
3923 	if (value[0] == ICE_MODULE_TYPE_SFP)
3924 		is_sfp = true;
3925 
3926 	memset(data, 0, ee->len);
3927 	for (i = 0; i < ee->len; i += SFF_READ_BLOCK_SIZE) {
3928 		offset = i + ee->offset;
3929 		page = 0;
3930 
3931 		/* Check if we need to access the other memory page */
3932 		if (is_sfp) {
3933 			if (offset >= ETH_MODULE_SFF_8079_LEN) {
3934 				offset -= ETH_MODULE_SFF_8079_LEN;
3935 				addr = ICE_I2C_EEPROM_DEV_ADDR2;
3936 			}
3937 		} else {
3938 			while (offset >= ETH_MODULE_SFF_8436_LEN) {
3939 				/* Compute memory page number and offset. */
3940 				offset -= ETH_MODULE_SFF_8436_LEN / 2;
3941 				page++;
3942 			}
3943 		}
3944 
3945 		/* Bit 2 of EEPROM address 0x02 declares upper
3946 		 * pages are disabled on QSFP modules.
3947 		 * SFP modules only ever use page 0.
3948 		 */
3949 		if (page == 0 || !(data[0x2] & 0x4)) {
3950 			/* If i2c bus is busy due to slow page change or
3951 			 * link management access, call can fail. This is normal.
3952 			 * So we retry this a few times.
3953 			 */
3954 			for (j = 0; j < 4; j++) {
3955 				status = ice_aq_sff_eeprom(hw, 0, addr, offset, page,
3956 							   !is_sfp, value,
3957 							   SFF_READ_BLOCK_SIZE,
3958 							   0, NULL);
3959 				netdev_dbg(netdev, "SFF %02X %02X %02X %X = %02X%02X%02X%02X.%02X%02X%02X%02X (%X)\n",
3960 					   addr, offset, page, is_sfp,
3961 					   value[0], value[1], value[2], value[3],
3962 					   value[4], value[5], value[6], value[7],
3963 					   status);
3964 				if (status) {
3965 					usleep_range(1500, 2500);
3966 					memset(value, 0, SFF_READ_BLOCK_SIZE);
3967 					continue;
3968 				}
3969 				break;
3970 			}
3971 
3972 			/* Make sure we have enough room for the new block */
3973 			if ((i + SFF_READ_BLOCK_SIZE) < ee->len)
3974 				memcpy(data + i, value, SFF_READ_BLOCK_SIZE);
3975 		}
3976 	}
3977 	return 0;
3978 }
3979 
3980 static const struct ethtool_ops ice_ethtool_ops = {
3981 	.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
3982 				     ETHTOOL_COALESCE_USE_ADAPTIVE |
3983 				     ETHTOOL_COALESCE_RX_USECS_HIGH,
3984 	.get_link_ksettings	= ice_get_link_ksettings,
3985 	.set_link_ksettings	= ice_set_link_ksettings,
3986 	.get_drvinfo		= ice_get_drvinfo,
3987 	.get_regs_len		= ice_get_regs_len,
3988 	.get_regs		= ice_get_regs,
3989 	.get_wol		= ice_get_wol,
3990 	.set_wol		= ice_set_wol,
3991 	.get_msglevel		= ice_get_msglevel,
3992 	.set_msglevel		= ice_set_msglevel,
3993 	.self_test		= ice_self_test,
3994 	.get_link		= ethtool_op_get_link,
3995 	.get_eeprom_len		= ice_get_eeprom_len,
3996 	.get_eeprom		= ice_get_eeprom,
3997 	.get_coalesce		= ice_get_coalesce,
3998 	.set_coalesce		= ice_set_coalesce,
3999 	.get_strings		= ice_get_strings,
4000 	.set_phys_id		= ice_set_phys_id,
4001 	.get_ethtool_stats      = ice_get_ethtool_stats,
4002 	.get_priv_flags		= ice_get_priv_flags,
4003 	.set_priv_flags		= ice_set_priv_flags,
4004 	.get_sset_count		= ice_get_sset_count,
4005 	.get_rxnfc		= ice_get_rxnfc,
4006 	.set_rxnfc		= ice_set_rxnfc,
4007 	.get_ringparam		= ice_get_ringparam,
4008 	.set_ringparam		= ice_set_ringparam,
4009 	.nway_reset		= ice_nway_reset,
4010 	.get_pauseparam		= ice_get_pauseparam,
4011 	.set_pauseparam		= ice_set_pauseparam,
4012 	.get_rxfh_key_size	= ice_get_rxfh_key_size,
4013 	.get_rxfh_indir_size	= ice_get_rxfh_indir_size,
4014 	.get_rxfh		= ice_get_rxfh,
4015 	.set_rxfh		= ice_set_rxfh,
4016 	.get_channels		= ice_get_channels,
4017 	.set_channels		= ice_set_channels,
4018 	.get_ts_info		= ice_get_ts_info,
4019 	.get_per_queue_coalesce	= ice_get_per_q_coalesce,
4020 	.set_per_queue_coalesce	= ice_set_per_q_coalesce,
4021 	.get_fecparam		= ice_get_fecparam,
4022 	.set_fecparam		= ice_set_fecparam,
4023 	.get_module_info	= ice_get_module_info,
4024 	.get_module_eeprom	= ice_get_module_eeprom,
4025 };
4026 
4027 static const struct ethtool_ops ice_ethtool_safe_mode_ops = {
4028 	.get_link_ksettings	= ice_get_link_ksettings,
4029 	.set_link_ksettings	= ice_set_link_ksettings,
4030 	.get_drvinfo		= ice_get_drvinfo,
4031 	.get_regs_len		= ice_get_regs_len,
4032 	.get_regs		= ice_get_regs,
4033 	.get_wol		= ice_get_wol,
4034 	.set_wol		= ice_set_wol,
4035 	.get_msglevel		= ice_get_msglevel,
4036 	.set_msglevel		= ice_set_msglevel,
4037 	.get_link		= ethtool_op_get_link,
4038 	.get_eeprom_len		= ice_get_eeprom_len,
4039 	.get_eeprom		= ice_get_eeprom,
4040 	.get_strings		= ice_get_strings,
4041 	.get_ethtool_stats	= ice_get_ethtool_stats,
4042 	.get_sset_count		= ice_get_sset_count,
4043 	.get_ringparam		= ice_get_ringparam,
4044 	.set_ringparam		= ice_set_ringparam,
4045 	.nway_reset		= ice_nway_reset,
4046 	.get_channels		= ice_get_channels,
4047 };
4048 
4049 /**
4050  * ice_set_ethtool_safe_mode_ops - setup safe mode ethtool ops
4051  * @netdev: network interface device structure
4052  */
4053 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev)
4054 {
4055 	netdev->ethtool_ops = &ice_ethtool_safe_mode_ops;
4056 }
4057 
4058 /**
4059  * ice_set_ethtool_ops - setup netdev ethtool ops
4060  * @netdev: network interface device structure
4061  *
4062  * setup netdev ethtool ops with ice specific ops
4063  */
4064 void ice_set_ethtool_ops(struct net_device *netdev)
4065 {
4066 	netdev->ethtool_ops = &ice_ethtool_ops;
4067 }
4068