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_ethtool.h"
8 #include "ice_flow.h"
9 #include "ice_fltr.h"
10 #include "ice_lib.h"
11 #include "ice_dcb_lib.h"
12 #include <net/dcbnl.h>
13
14 struct ice_stats {
15 char stat_string[ETH_GSTRING_LEN];
16 int sizeof_stat;
17 int stat_offset;
18 };
19
20 #define ICE_STAT(_type, _name, _stat) { \
21 .stat_string = _name, \
22 .sizeof_stat = sizeof_field(_type, _stat), \
23 .stat_offset = offsetof(_type, _stat) \
24 }
25
26 #define ICE_VSI_STAT(_name, _stat) \
27 ICE_STAT(struct ice_vsi, _name, _stat)
28 #define ICE_PF_STAT(_name, _stat) \
29 ICE_STAT(struct ice_pf, _name, _stat)
30
ice_q_stats_len(struct net_device * netdev)31 static int ice_q_stats_len(struct net_device *netdev)
32 {
33 struct ice_netdev_priv *np = netdev_priv(netdev);
34
35 return ((np->vsi->alloc_txq + np->vsi->alloc_rxq) *
36 (sizeof(struct ice_q_stats) / sizeof(u64)));
37 }
38
39 #define ICE_PF_STATS_LEN ARRAY_SIZE(ice_gstrings_pf_stats)
40 #define ICE_VSI_STATS_LEN ARRAY_SIZE(ice_gstrings_vsi_stats)
41
42 #define ICE_PFC_STATS_LEN ( \
43 (sizeof_field(struct ice_pf, stats.priority_xoff_rx) + \
44 sizeof_field(struct ice_pf, stats.priority_xon_rx) + \
45 sizeof_field(struct ice_pf, stats.priority_xoff_tx) + \
46 sizeof_field(struct ice_pf, stats.priority_xon_tx)) \
47 / sizeof(u64))
48 #define ICE_ALL_STATS_LEN(n) (ICE_PF_STATS_LEN + ICE_PFC_STATS_LEN + \
49 ICE_VSI_STATS_LEN + ice_q_stats_len(n))
50
51 static const struct ice_stats ice_gstrings_vsi_stats[] = {
52 ICE_VSI_STAT("rx_unicast", eth_stats.rx_unicast),
53 ICE_VSI_STAT("tx_unicast", eth_stats.tx_unicast),
54 ICE_VSI_STAT("rx_multicast", eth_stats.rx_multicast),
55 ICE_VSI_STAT("tx_multicast", eth_stats.tx_multicast),
56 ICE_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast),
57 ICE_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast),
58 ICE_VSI_STAT("rx_bytes", eth_stats.rx_bytes),
59 ICE_VSI_STAT("tx_bytes", eth_stats.tx_bytes),
60 ICE_VSI_STAT("rx_dropped", eth_stats.rx_discards),
61 ICE_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol),
62 ICE_VSI_STAT("rx_alloc_fail", rx_buf_failed),
63 ICE_VSI_STAT("rx_pg_alloc_fail", rx_page_failed),
64 ICE_VSI_STAT("tx_errors", eth_stats.tx_errors),
65 ICE_VSI_STAT("tx_linearize", tx_linearize),
66 ICE_VSI_STAT("tx_busy", tx_busy),
67 ICE_VSI_STAT("tx_restart", tx_restart),
68 };
69
70 enum ice_ethtool_test_id {
71 ICE_ETH_TEST_REG = 0,
72 ICE_ETH_TEST_EEPROM,
73 ICE_ETH_TEST_INTR,
74 ICE_ETH_TEST_LOOP,
75 ICE_ETH_TEST_LINK,
76 };
77
78 static const char ice_gstrings_test[][ETH_GSTRING_LEN] = {
79 "Register test (offline)",
80 "EEPROM test (offline)",
81 "Interrupt test (offline)",
82 "Loopback test (offline)",
83 "Link test (on/offline)",
84 };
85
86 #define ICE_TEST_LEN (sizeof(ice_gstrings_test) / ETH_GSTRING_LEN)
87
88 /* These PF_STATs might look like duplicates of some NETDEV_STATs,
89 * but they aren't. This device is capable of supporting multiple
90 * VSIs/netdevs on a single PF. The NETDEV_STATs are for individual
91 * netdevs whereas the PF_STATs are for the physical function that's
92 * hosting these netdevs.
93 *
94 * The PF_STATs are appended to the netdev stats only when ethtool -S
95 * is queried on the base PF netdev.
96 */
97 static const struct ice_stats ice_gstrings_pf_stats[] = {
98 ICE_PF_STAT("rx_bytes.nic", stats.eth.rx_bytes),
99 ICE_PF_STAT("tx_bytes.nic", stats.eth.tx_bytes),
100 ICE_PF_STAT("rx_unicast.nic", stats.eth.rx_unicast),
101 ICE_PF_STAT("tx_unicast.nic", stats.eth.tx_unicast),
102 ICE_PF_STAT("rx_multicast.nic", stats.eth.rx_multicast),
103 ICE_PF_STAT("tx_multicast.nic", stats.eth.tx_multicast),
104 ICE_PF_STAT("rx_broadcast.nic", stats.eth.rx_broadcast),
105 ICE_PF_STAT("tx_broadcast.nic", stats.eth.tx_broadcast),
106 ICE_PF_STAT("tx_errors.nic", stats.eth.tx_errors),
107 ICE_PF_STAT("tx_timeout.nic", tx_timeout_count),
108 ICE_PF_STAT("rx_size_64.nic", stats.rx_size_64),
109 ICE_PF_STAT("tx_size_64.nic", stats.tx_size_64),
110 ICE_PF_STAT("rx_size_127.nic", stats.rx_size_127),
111 ICE_PF_STAT("tx_size_127.nic", stats.tx_size_127),
112 ICE_PF_STAT("rx_size_255.nic", stats.rx_size_255),
113 ICE_PF_STAT("tx_size_255.nic", stats.tx_size_255),
114 ICE_PF_STAT("rx_size_511.nic", stats.rx_size_511),
115 ICE_PF_STAT("tx_size_511.nic", stats.tx_size_511),
116 ICE_PF_STAT("rx_size_1023.nic", stats.rx_size_1023),
117 ICE_PF_STAT("tx_size_1023.nic", stats.tx_size_1023),
118 ICE_PF_STAT("rx_size_1522.nic", stats.rx_size_1522),
119 ICE_PF_STAT("tx_size_1522.nic", stats.tx_size_1522),
120 ICE_PF_STAT("rx_size_big.nic", stats.rx_size_big),
121 ICE_PF_STAT("tx_size_big.nic", stats.tx_size_big),
122 ICE_PF_STAT("link_xon_rx.nic", stats.link_xon_rx),
123 ICE_PF_STAT("link_xon_tx.nic", stats.link_xon_tx),
124 ICE_PF_STAT("link_xoff_rx.nic", stats.link_xoff_rx),
125 ICE_PF_STAT("link_xoff_tx.nic", stats.link_xoff_tx),
126 ICE_PF_STAT("tx_dropped_link_down.nic", stats.tx_dropped_link_down),
127 ICE_PF_STAT("rx_undersize.nic", stats.rx_undersize),
128 ICE_PF_STAT("rx_fragments.nic", stats.rx_fragments),
129 ICE_PF_STAT("rx_oversize.nic", stats.rx_oversize),
130 ICE_PF_STAT("rx_jabber.nic", stats.rx_jabber),
131 ICE_PF_STAT("rx_csum_bad.nic", hw_csum_rx_error),
132 ICE_PF_STAT("rx_eipe_error.nic", hw_rx_eipe_error),
133 ICE_PF_STAT("rx_dropped.nic", stats.eth.rx_discards),
134 ICE_PF_STAT("rx_crc_errors.nic", stats.crc_errors),
135 ICE_PF_STAT("illegal_bytes.nic", stats.illegal_bytes),
136 ICE_PF_STAT("mac_local_faults.nic", stats.mac_local_faults),
137 ICE_PF_STAT("mac_remote_faults.nic", stats.mac_remote_faults),
138 ICE_PF_STAT("fdir_sb_match.nic", stats.fd_sb_match),
139 ICE_PF_STAT("fdir_sb_status.nic", stats.fd_sb_status),
140 ICE_PF_STAT("tx_hwtstamp_skipped", ptp.tx_hwtstamp_skipped),
141 ICE_PF_STAT("tx_hwtstamp_timeouts", ptp.tx_hwtstamp_timeouts),
142 ICE_PF_STAT("tx_hwtstamp_flushed", ptp.tx_hwtstamp_flushed),
143 ICE_PF_STAT("tx_hwtstamp_discarded", ptp.tx_hwtstamp_discarded),
144 ICE_PF_STAT("late_cached_phc_updates", ptp.late_cached_phc_updates),
145 };
146
147 static const u32 ice_regs_dump_list[] = {
148 PFGEN_STATE,
149 PRTGEN_STATUS,
150 QRX_CTRL(0),
151 QINT_TQCTL(0),
152 QINT_RQCTL(0),
153 PFINT_OICR_ENA,
154 QRX_ITR(0),
155 #define GLDCB_TLPM_PCI_DM 0x000A0180
156 GLDCB_TLPM_PCI_DM,
157 #define GLDCB_TLPM_TC2PFC 0x000A0194
158 GLDCB_TLPM_TC2PFC,
159 #define TCDCB_TLPM_WAIT_DM(_i) (0x000A0080 + ((_i) * 4))
160 TCDCB_TLPM_WAIT_DM(0),
161 TCDCB_TLPM_WAIT_DM(1),
162 TCDCB_TLPM_WAIT_DM(2),
163 TCDCB_TLPM_WAIT_DM(3),
164 TCDCB_TLPM_WAIT_DM(4),
165 TCDCB_TLPM_WAIT_DM(5),
166 TCDCB_TLPM_WAIT_DM(6),
167 TCDCB_TLPM_WAIT_DM(7),
168 TCDCB_TLPM_WAIT_DM(8),
169 TCDCB_TLPM_WAIT_DM(9),
170 TCDCB_TLPM_WAIT_DM(10),
171 TCDCB_TLPM_WAIT_DM(11),
172 TCDCB_TLPM_WAIT_DM(12),
173 TCDCB_TLPM_WAIT_DM(13),
174 TCDCB_TLPM_WAIT_DM(14),
175 TCDCB_TLPM_WAIT_DM(15),
176 TCDCB_TLPM_WAIT_DM(16),
177 TCDCB_TLPM_WAIT_DM(17),
178 TCDCB_TLPM_WAIT_DM(18),
179 TCDCB_TLPM_WAIT_DM(19),
180 TCDCB_TLPM_WAIT_DM(20),
181 TCDCB_TLPM_WAIT_DM(21),
182 TCDCB_TLPM_WAIT_DM(22),
183 TCDCB_TLPM_WAIT_DM(23),
184 TCDCB_TLPM_WAIT_DM(24),
185 TCDCB_TLPM_WAIT_DM(25),
186 TCDCB_TLPM_WAIT_DM(26),
187 TCDCB_TLPM_WAIT_DM(27),
188 TCDCB_TLPM_WAIT_DM(28),
189 TCDCB_TLPM_WAIT_DM(29),
190 TCDCB_TLPM_WAIT_DM(30),
191 TCDCB_TLPM_WAIT_DM(31),
192 #define GLPCI_WATMK_CLNT_PIPEMON 0x000BFD90
193 GLPCI_WATMK_CLNT_PIPEMON,
194 #define GLPCI_CUR_CLNT_COMMON 0x000BFD84
195 GLPCI_CUR_CLNT_COMMON,
196 #define GLPCI_CUR_CLNT_PIPEMON 0x000BFD88
197 GLPCI_CUR_CLNT_PIPEMON,
198 #define GLPCI_PCIERR 0x0009DEB0
199 GLPCI_PCIERR,
200 #define GLPSM_DEBUG_CTL_STATUS 0x000B0600
201 GLPSM_DEBUG_CTL_STATUS,
202 #define GLPSM0_DEBUG_FIFO_OVERFLOW_DETECT 0x000B0680
203 GLPSM0_DEBUG_FIFO_OVERFLOW_DETECT,
204 #define GLPSM0_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B0684
205 GLPSM0_DEBUG_FIFO_UNDERFLOW_DETECT,
206 #define GLPSM0_DEBUG_DT_OUT_OF_WINDOW 0x000B0688
207 GLPSM0_DEBUG_DT_OUT_OF_WINDOW,
208 #define GLPSM0_DEBUG_INTF_HW_ERROR_DETECT 0x000B069C
209 GLPSM0_DEBUG_INTF_HW_ERROR_DETECT,
210 #define GLPSM0_DEBUG_MISC_HW_ERROR_DETECT 0x000B06A0
211 GLPSM0_DEBUG_MISC_HW_ERROR_DETECT,
212 #define GLPSM1_DEBUG_FIFO_OVERFLOW_DETECT 0x000B0E80
213 GLPSM1_DEBUG_FIFO_OVERFLOW_DETECT,
214 #define GLPSM1_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B0E84
215 GLPSM1_DEBUG_FIFO_UNDERFLOW_DETECT,
216 #define GLPSM1_DEBUG_SRL_FIFO_OVERFLOW_DETECT 0x000B0E88
217 GLPSM1_DEBUG_SRL_FIFO_OVERFLOW_DETECT,
218 #define GLPSM1_DEBUG_SRL_FIFO_UNDERFLOW_DETECT 0x000B0E8C
219 GLPSM1_DEBUG_SRL_FIFO_UNDERFLOW_DETECT,
220 #define GLPSM1_DEBUG_MISC_HW_ERROR_DETECT 0x000B0E90
221 GLPSM1_DEBUG_MISC_HW_ERROR_DETECT,
222 #define GLPSM2_DEBUG_FIFO_OVERFLOW_DETECT 0x000B1680
223 GLPSM2_DEBUG_FIFO_OVERFLOW_DETECT,
224 #define GLPSM2_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B1684
225 GLPSM2_DEBUG_FIFO_UNDERFLOW_DETECT,
226 #define GLPSM2_DEBUG_MISC_HW_ERROR_DETECT 0x000B1688
227 GLPSM2_DEBUG_MISC_HW_ERROR_DETECT,
228 #define GLTDPU_TCLAN_COMP_BOB(_i) (0x00049ADC + ((_i) * 4))
229 GLTDPU_TCLAN_COMP_BOB(1),
230 GLTDPU_TCLAN_COMP_BOB(2),
231 GLTDPU_TCLAN_COMP_BOB(3),
232 GLTDPU_TCLAN_COMP_BOB(4),
233 GLTDPU_TCLAN_COMP_BOB(5),
234 GLTDPU_TCLAN_COMP_BOB(6),
235 GLTDPU_TCLAN_COMP_BOB(7),
236 GLTDPU_TCLAN_COMP_BOB(8),
237 #define GLTDPU_TCB_CMD_BOB(_i) (0x0004975C + ((_i) * 4))
238 GLTDPU_TCB_CMD_BOB(1),
239 GLTDPU_TCB_CMD_BOB(2),
240 GLTDPU_TCB_CMD_BOB(3),
241 GLTDPU_TCB_CMD_BOB(4),
242 GLTDPU_TCB_CMD_BOB(5),
243 GLTDPU_TCB_CMD_BOB(6),
244 GLTDPU_TCB_CMD_BOB(7),
245 GLTDPU_TCB_CMD_BOB(8),
246 #define GLTDPU_PSM_UPDATE_BOB(_i) (0x00049B5C + ((_i) * 4))
247 GLTDPU_PSM_UPDATE_BOB(1),
248 GLTDPU_PSM_UPDATE_BOB(2),
249 GLTDPU_PSM_UPDATE_BOB(3),
250 GLTDPU_PSM_UPDATE_BOB(4),
251 GLTDPU_PSM_UPDATE_BOB(5),
252 GLTDPU_PSM_UPDATE_BOB(6),
253 GLTDPU_PSM_UPDATE_BOB(7),
254 GLTDPU_PSM_UPDATE_BOB(8),
255 #define GLTCB_CMD_IN_BOB(_i) (0x000AE288 + ((_i) * 4))
256 GLTCB_CMD_IN_BOB(1),
257 GLTCB_CMD_IN_BOB(2),
258 GLTCB_CMD_IN_BOB(3),
259 GLTCB_CMD_IN_BOB(4),
260 GLTCB_CMD_IN_BOB(5),
261 GLTCB_CMD_IN_BOB(6),
262 GLTCB_CMD_IN_BOB(7),
263 GLTCB_CMD_IN_BOB(8),
264 #define GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(_i) (0x000FC148 + ((_i) * 4))
265 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(1),
266 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(2),
267 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(3),
268 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(4),
269 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(5),
270 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(6),
271 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(7),
272 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(8),
273 #define GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(_i) (0x000FC248 + ((_i) * 4))
274 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(1),
275 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(2),
276 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(3),
277 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(4),
278 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(5),
279 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(6),
280 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(7),
281 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(8),
282 #define GLLAN_TCLAN_CACHE_CTL_BOB_CTL(_i) (0x000FC1C8 + ((_i) * 4))
283 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(1),
284 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(2),
285 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(3),
286 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(4),
287 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(5),
288 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(6),
289 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(7),
290 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(8),
291 #define GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(_i) (0x000FC188 + ((_i) * 4))
292 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(1),
293 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(2),
294 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(3),
295 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(4),
296 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(5),
297 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(6),
298 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(7),
299 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(8),
300 #define GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(_i) (0x000FC288 + ((_i) * 4))
301 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(1),
302 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(2),
303 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(3),
304 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(4),
305 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(5),
306 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(6),
307 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(7),
308 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(8),
309 #define PRTDCB_TCUPM_REG_CM(_i) (0x000BC360 + ((_i) * 4))
310 PRTDCB_TCUPM_REG_CM(0),
311 PRTDCB_TCUPM_REG_CM(1),
312 PRTDCB_TCUPM_REG_CM(2),
313 PRTDCB_TCUPM_REG_CM(3),
314 #define PRTDCB_TCUPM_REG_DM(_i) (0x000BC3A0 + ((_i) * 4))
315 PRTDCB_TCUPM_REG_DM(0),
316 PRTDCB_TCUPM_REG_DM(1),
317 PRTDCB_TCUPM_REG_DM(2),
318 PRTDCB_TCUPM_REG_DM(3),
319 #define PRTDCB_TLPM_REG_DM(_i) (0x000A0000 + ((_i) * 4))
320 PRTDCB_TLPM_REG_DM(0),
321 PRTDCB_TLPM_REG_DM(1),
322 PRTDCB_TLPM_REG_DM(2),
323 PRTDCB_TLPM_REG_DM(3),
324 };
325
326 struct ice_priv_flag {
327 char name[ETH_GSTRING_LEN];
328 u32 bitno; /* bit position in pf->flags */
329 };
330
331 #define ICE_PRIV_FLAG(_name, _bitno) { \
332 .name = _name, \
333 .bitno = _bitno, \
334 }
335
336 static const struct ice_priv_flag ice_gstrings_priv_flags[] = {
337 ICE_PRIV_FLAG("link-down-on-close", ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA),
338 ICE_PRIV_FLAG("fw-lldp-agent", ICE_FLAG_FW_LLDP_AGENT),
339 ICE_PRIV_FLAG("vf-true-promisc-support",
340 ICE_FLAG_VF_TRUE_PROMISC_ENA),
341 ICE_PRIV_FLAG("mdd-auto-reset-vf", ICE_FLAG_MDD_AUTO_RESET_VF),
342 ICE_PRIV_FLAG("vf-vlan-pruning", ICE_FLAG_VF_VLAN_PRUNING),
343 ICE_PRIV_FLAG("legacy-rx", ICE_FLAG_LEGACY_RX),
344 };
345
346 #define ICE_PRIV_FLAG_ARRAY_SIZE ARRAY_SIZE(ice_gstrings_priv_flags)
347
348 static const u32 ice_adv_lnk_speed_100[] __initconst = {
349 ETHTOOL_LINK_MODE_100baseT_Full_BIT,
350 };
351
352 static const u32 ice_adv_lnk_speed_1000[] __initconst = {
353 ETHTOOL_LINK_MODE_1000baseX_Full_BIT,
354 ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
355 ETHTOOL_LINK_MODE_1000baseKX_Full_BIT,
356 };
357
358 static const u32 ice_adv_lnk_speed_2500[] __initconst = {
359 ETHTOOL_LINK_MODE_2500baseT_Full_BIT,
360 ETHTOOL_LINK_MODE_2500baseX_Full_BIT,
361 };
362
363 static const u32 ice_adv_lnk_speed_5000[] __initconst = {
364 ETHTOOL_LINK_MODE_5000baseT_Full_BIT,
365 };
366
367 static const u32 ice_adv_lnk_speed_10000[] __initconst = {
368 ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
369 ETHTOOL_LINK_MODE_10000baseKR_Full_BIT,
370 ETHTOOL_LINK_MODE_10000baseSR_Full_BIT,
371 ETHTOOL_LINK_MODE_10000baseLR_Full_BIT,
372 };
373
374 static const u32 ice_adv_lnk_speed_25000[] __initconst = {
375 ETHTOOL_LINK_MODE_25000baseCR_Full_BIT,
376 ETHTOOL_LINK_MODE_25000baseSR_Full_BIT,
377 ETHTOOL_LINK_MODE_25000baseKR_Full_BIT,
378 };
379
380 static const u32 ice_adv_lnk_speed_40000[] __initconst = {
381 ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT,
382 ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT,
383 ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT,
384 ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT,
385 };
386
387 static const u32 ice_adv_lnk_speed_50000[] __initconst = {
388 ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT,
389 ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT,
390 ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT,
391 };
392
393 static const u32 ice_adv_lnk_speed_100000[] __initconst = {
394 ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT,
395 ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT,
396 ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT,
397 ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT,
398 ETHTOOL_LINK_MODE_100000baseCR2_Full_BIT,
399 ETHTOOL_LINK_MODE_100000baseSR2_Full_BIT,
400 ETHTOOL_LINK_MODE_100000baseKR2_Full_BIT,
401 };
402
403 static const u32 ice_adv_lnk_speed_200000[] __initconst = {
404 ETHTOOL_LINK_MODE_200000baseKR4_Full_BIT,
405 ETHTOOL_LINK_MODE_200000baseSR4_Full_BIT,
406 ETHTOOL_LINK_MODE_200000baseLR4_ER4_FR4_Full_BIT,
407 ETHTOOL_LINK_MODE_200000baseDR4_Full_BIT,
408 ETHTOOL_LINK_MODE_200000baseCR4_Full_BIT,
409 };
410
411 static struct ethtool_forced_speed_map ice_adv_lnk_speed_maps[] __ro_after_init = {
412 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 100),
413 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 1000),
414 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 2500),
415 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 5000),
416 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 10000),
417 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 25000),
418 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 40000),
419 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 50000),
420 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 100000),
421 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 200000),
422 };
423
ice_adv_lnk_speed_maps_init(void)424 void __init ice_adv_lnk_speed_maps_init(void)
425 {
426 ethtool_forced_speed_maps_init(ice_adv_lnk_speed_maps,
427 ARRAY_SIZE(ice_adv_lnk_speed_maps));
428 }
429
430 static void
__ice_get_drvinfo(struct net_device * netdev,struct ethtool_drvinfo * drvinfo,struct ice_vsi * vsi)431 __ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo,
432 struct ice_vsi *vsi)
433 {
434 struct ice_pf *pf = vsi->back;
435 struct ice_hw *hw = &pf->hw;
436 struct ice_orom_info *orom;
437 struct ice_nvm_info *nvm;
438
439 nvm = &hw->flash.nvm;
440 orom = &hw->flash.orom;
441
442 strscpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver));
443
444 /* Display NVM version (from which the firmware version can be
445 * determined) which contains more pertinent information.
446 */
447 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
448 "%x.%02x 0x%x %d.%d.%d", nvm->major, nvm->minor,
449 nvm->eetrack, orom->major, orom->build, orom->patch);
450
451 strscpy(drvinfo->bus_info, pci_name(pf->pdev),
452 sizeof(drvinfo->bus_info));
453 }
454
455 static void
ice_get_drvinfo(struct net_device * netdev,struct ethtool_drvinfo * drvinfo)456 ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
457 {
458 struct ice_netdev_priv *np = netdev_priv(netdev);
459
460 __ice_get_drvinfo(netdev, drvinfo, np->vsi);
461 drvinfo->n_priv_flags = ICE_PRIV_FLAG_ARRAY_SIZE;
462 }
463
ice_get_regs_len(struct net_device __always_unused * netdev)464 static int ice_get_regs_len(struct net_device __always_unused *netdev)
465 {
466 return (sizeof(ice_regs_dump_list) +
467 sizeof(struct ice_regdump_to_ethtool));
468 }
469
470 /**
471 * ice_ethtool_get_maxspeed - Get the max speed for given lport
472 * @hw: pointer to the HW struct
473 * @lport: logical port for which max speed is requested
474 * @max_speed: return max speed for input lport
475 *
476 * Return: 0 on success, negative on failure.
477 */
ice_ethtool_get_maxspeed(struct ice_hw * hw,u8 lport,u8 * max_speed)478 static int ice_ethtool_get_maxspeed(struct ice_hw *hw, u8 lport, u8 *max_speed)
479 {
480 struct ice_aqc_get_port_options_elem options[ICE_AQC_PORT_OPT_MAX] = {};
481 bool active_valid = false, pending_valid = true;
482 u8 option_count = ICE_AQC_PORT_OPT_MAX;
483 u8 active_idx = 0, pending_idx = 0;
484 int status;
485
486 status = ice_aq_get_port_options(hw, options, &option_count, lport,
487 true, &active_idx, &active_valid,
488 &pending_idx, &pending_valid);
489 if (status)
490 return -EIO;
491 if (!active_valid)
492 return -EINVAL;
493
494 *max_speed = options[active_idx].max_lane_speed & ICE_AQC_PORT_OPT_MAX_LANE_M;
495 return 0;
496 }
497
498 /**
499 * ice_is_serdes_muxed - returns whether serdes is muxed in hardware
500 * @hw: pointer to the HW struct
501 *
502 * Return: true when serdes is muxed, false when serdes is not muxed.
503 */
ice_is_serdes_muxed(struct ice_hw * hw)504 static bool ice_is_serdes_muxed(struct ice_hw *hw)
505 {
506 u32 reg_value = rd32(hw, GLGEN_SWITCH_MODE_CONFIG);
507
508 return FIELD_GET(GLGEN_SWITCH_MODE_CONFIG_25X4_QUAD_M, reg_value);
509 }
510
ice_map_port_topology_for_sfp(struct ice_port_topology * port_topology,u8 lport,bool is_muxed)511 static int ice_map_port_topology_for_sfp(struct ice_port_topology *port_topology,
512 u8 lport, bool is_muxed)
513 {
514 switch (lport) {
515 case 0:
516 port_topology->pcs_quad_select = 0;
517 port_topology->pcs_port = 0;
518 port_topology->primary_serdes_lane = 0;
519 break;
520 case 1:
521 port_topology->pcs_quad_select = 1;
522 port_topology->pcs_port = 0;
523 if (is_muxed)
524 port_topology->primary_serdes_lane = 2;
525 else
526 port_topology->primary_serdes_lane = 4;
527 break;
528 case 2:
529 port_topology->pcs_quad_select = 0;
530 port_topology->pcs_port = 1;
531 port_topology->primary_serdes_lane = 1;
532 break;
533 case 3:
534 port_topology->pcs_quad_select = 1;
535 port_topology->pcs_port = 1;
536 if (is_muxed)
537 port_topology->primary_serdes_lane = 3;
538 else
539 port_topology->primary_serdes_lane = 5;
540 break;
541 case 4:
542 port_topology->pcs_quad_select = 0;
543 port_topology->pcs_port = 2;
544 port_topology->primary_serdes_lane = 2;
545 break;
546 case 5:
547 port_topology->pcs_quad_select = 1;
548 port_topology->pcs_port = 2;
549 port_topology->primary_serdes_lane = 6;
550 break;
551 case 6:
552 port_topology->pcs_quad_select = 0;
553 port_topology->pcs_port = 3;
554 port_topology->primary_serdes_lane = 3;
555 break;
556 case 7:
557 port_topology->pcs_quad_select = 1;
558 port_topology->pcs_port = 3;
559 port_topology->primary_serdes_lane = 7;
560 break;
561 default:
562 return -EINVAL;
563 }
564
565 return 0;
566 }
567
ice_map_port_topology_for_qsfp(struct ice_port_topology * port_topology,u8 lport,bool is_muxed)568 static int ice_map_port_topology_for_qsfp(struct ice_port_topology *port_topology,
569 u8 lport, bool is_muxed)
570 {
571 switch (lport) {
572 case 0:
573 port_topology->pcs_quad_select = 0;
574 port_topology->pcs_port = 0;
575 port_topology->primary_serdes_lane = 0;
576 break;
577 case 1:
578 port_topology->pcs_quad_select = 1;
579 port_topology->pcs_port = 0;
580 if (is_muxed)
581 port_topology->primary_serdes_lane = 2;
582 else
583 port_topology->primary_serdes_lane = 4;
584 break;
585 case 2:
586 port_topology->pcs_quad_select = 0;
587 port_topology->pcs_port = 1;
588 port_topology->primary_serdes_lane = 1;
589 break;
590 case 3:
591 port_topology->pcs_quad_select = 1;
592 port_topology->pcs_port = 1;
593 if (is_muxed)
594 port_topology->primary_serdes_lane = 3;
595 else
596 port_topology->primary_serdes_lane = 5;
597 break;
598 case 4:
599 port_topology->pcs_quad_select = 0;
600 port_topology->pcs_port = 2;
601 port_topology->primary_serdes_lane = 2;
602 break;
603 case 5:
604 port_topology->pcs_quad_select = 1;
605 port_topology->pcs_port = 2;
606 port_topology->primary_serdes_lane = 6;
607 break;
608 case 6:
609 port_topology->pcs_quad_select = 0;
610 port_topology->pcs_port = 3;
611 port_topology->primary_serdes_lane = 3;
612 break;
613 case 7:
614 port_topology->pcs_quad_select = 1;
615 port_topology->pcs_port = 3;
616 port_topology->primary_serdes_lane = 7;
617 break;
618 default:
619 return -EINVAL;
620 }
621
622 return 0;
623 }
624
625 /**
626 * ice_get_port_topology - returns physical topology like pcsquad, pcsport,
627 * serdes number
628 * @hw: pointer to the HW struct
629 * @lport: logical port for which physical info requested
630 * @port_topology: buffer to hold port topology
631 *
632 * Return: 0 on success, negative on failure.
633 */
ice_get_port_topology(struct ice_hw * hw,u8 lport,struct ice_port_topology * port_topology)634 static int ice_get_port_topology(struct ice_hw *hw, u8 lport,
635 struct ice_port_topology *port_topology)
636 {
637 struct ice_aqc_get_link_topo cmd = {};
638 u16 node_handle = 0;
639 u8 cage_type = 0;
640 bool is_muxed;
641 int err;
642 u8 ctx;
643
644 ctx = ICE_AQC_LINK_TOPO_NODE_TYPE_CAGE << ICE_AQC_LINK_TOPO_NODE_TYPE_S;
645 ctx |= ICE_AQC_LINK_TOPO_NODE_CTX_PORT << ICE_AQC_LINK_TOPO_NODE_CTX_S;
646 cmd.addr.topo_params.node_type_ctx = ctx;
647
648 err = ice_aq_get_netlist_node(hw, &cmd, &cage_type, &node_handle);
649 if (err)
650 return -EINVAL;
651
652 is_muxed = ice_is_serdes_muxed(hw);
653
654 if (cage_type == 0x11 || /* SFP+ */
655 cage_type == 0x12) { /* SFP28 */
656 port_topology->serdes_lane_count = 1;
657 err = ice_map_port_topology_for_sfp(port_topology, lport, is_muxed);
658 if (err)
659 return err;
660 } else if (cage_type == 0x13 || /* QSFP */
661 cage_type == 0x14) { /* QSFP28 */
662 u8 max_speed = 0;
663
664 err = ice_ethtool_get_maxspeed(hw, lport, &max_speed);
665 if (err)
666 return err;
667
668 if (max_speed == ICE_AQC_PORT_OPT_MAX_LANE_100G)
669 port_topology->serdes_lane_count = 4;
670 else if (max_speed == ICE_AQC_PORT_OPT_MAX_LANE_50G ||
671 max_speed == ICE_AQC_PORT_OPT_MAX_LANE_40G)
672 port_topology->serdes_lane_count = 2;
673 else
674 port_topology->serdes_lane_count = 1;
675
676 err = ice_map_port_topology_for_qsfp(port_topology, lport, is_muxed);
677 if (err)
678 return err;
679 } else {
680 return -EINVAL;
681 }
682
683 return 0;
684 }
685
686 /**
687 * ice_get_tx_rx_equa - read serdes tx rx equaliser param
688 * @hw: pointer to the HW struct
689 * @serdes_num: represents the serdes number
690 * @ptr: structure to read all serdes parameter for given serdes
691 *
692 * Return: all serdes equalization parameter supported per serdes number
693 */
ice_get_tx_rx_equa(struct ice_hw * hw,u8 serdes_num,struct ice_serdes_equalization_to_ethtool * ptr)694 static int ice_get_tx_rx_equa(struct ice_hw *hw, u8 serdes_num,
695 struct ice_serdes_equalization_to_ethtool *ptr)
696 {
697 static const int tx = ICE_AQC_OP_CODE_TX_EQU;
698 static const int rx = ICE_AQC_OP_CODE_RX_EQU;
699 struct {
700 int data_in;
701 int opcode;
702 int *out;
703 } aq_params[] = {
704 { ICE_AQC_TX_EQU_PRE1, tx, &ptr->tx_equ_pre1 },
705 { ICE_AQC_TX_EQU_PRE3, tx, &ptr->tx_equ_pre3 },
706 { ICE_AQC_TX_EQU_ATTEN, tx, &ptr->tx_equ_atten },
707 { ICE_AQC_TX_EQU_POST1, tx, &ptr->tx_equ_post1 },
708 { ICE_AQC_TX_EQU_PRE2, tx, &ptr->tx_equ_pre2 },
709 { ICE_AQC_RX_EQU_PRE2, rx, &ptr->rx_equ_pre2 },
710 { ICE_AQC_RX_EQU_PRE1, rx, &ptr->rx_equ_pre1 },
711 { ICE_AQC_RX_EQU_POST1, rx, &ptr->rx_equ_post1 },
712 { ICE_AQC_RX_EQU_BFLF, rx, &ptr->rx_equ_bflf },
713 { ICE_AQC_RX_EQU_BFHF, rx, &ptr->rx_equ_bfhf },
714 { ICE_AQC_RX_EQU_CTLE_GAINHF, rx, &ptr->rx_equ_ctle_gainhf },
715 { ICE_AQC_RX_EQU_CTLE_GAINLF, rx, &ptr->rx_equ_ctle_gainlf },
716 { ICE_AQC_RX_EQU_CTLE_GAINDC, rx, &ptr->rx_equ_ctle_gaindc },
717 { ICE_AQC_RX_EQU_CTLE_BW, rx, &ptr->rx_equ_ctle_bw },
718 { ICE_AQC_RX_EQU_DFE_GAIN, rx, &ptr->rx_equ_dfe_gain },
719 { ICE_AQC_RX_EQU_DFE_GAIN2, rx, &ptr->rx_equ_dfe_gain_2 },
720 { ICE_AQC_RX_EQU_DFE_2, rx, &ptr->rx_equ_dfe_2 },
721 { ICE_AQC_RX_EQU_DFE_3, rx, &ptr->rx_equ_dfe_3 },
722 { ICE_AQC_RX_EQU_DFE_4, rx, &ptr->rx_equ_dfe_4 },
723 { ICE_AQC_RX_EQU_DFE_5, rx, &ptr->rx_equ_dfe_5 },
724 { ICE_AQC_RX_EQU_DFE_6, rx, &ptr->rx_equ_dfe_6 },
725 { ICE_AQC_RX_EQU_DFE_7, rx, &ptr->rx_equ_dfe_7 },
726 { ICE_AQC_RX_EQU_DFE_8, rx, &ptr->rx_equ_dfe_8 },
727 { ICE_AQC_RX_EQU_DFE_9, rx, &ptr->rx_equ_dfe_9 },
728 { ICE_AQC_RX_EQU_DFE_10, rx, &ptr->rx_equ_dfe_10 },
729 { ICE_AQC_RX_EQU_DFE_11, rx, &ptr->rx_equ_dfe_11 },
730 { ICE_AQC_RX_EQU_DFE_12, rx, &ptr->rx_equ_dfe_12 },
731 };
732 int err;
733
734 for (int i = 0; i < ARRAY_SIZE(aq_params); i++) {
735 err = ice_aq_get_phy_equalization(hw, aq_params[i].data_in,
736 aq_params[i].opcode,
737 serdes_num, aq_params[i].out);
738 if (err)
739 break;
740 }
741
742 return err;
743 }
744
745 /**
746 * ice_get_extended_regs - returns FEC correctable, uncorrectable stats per
747 * pcsquad, pcsport
748 * @netdev: pointer to net device structure
749 * @p: output buffer to fill requested register dump
750 *
751 * Return: 0 on success, negative on failure.
752 */
ice_get_extended_regs(struct net_device * netdev,void * p)753 static int ice_get_extended_regs(struct net_device *netdev, void *p)
754 {
755 struct ice_netdev_priv *np = netdev_priv(netdev);
756 struct ice_regdump_to_ethtool *ice_prv_regs_buf;
757 struct ice_port_topology port_topology = {};
758 struct ice_port_info *pi;
759 struct ice_pf *pf;
760 struct ice_hw *hw;
761 unsigned int i;
762 int err;
763
764 pf = np->vsi->back;
765 hw = &pf->hw;
766 pi = np->vsi->port_info;
767
768 /* Serdes parameters are not supported if not the PF VSI */
769 if (np->vsi->type != ICE_VSI_PF || !pi)
770 return -EINVAL;
771
772 err = ice_get_port_topology(hw, pi->lport, &port_topology);
773 if (err)
774 return -EINVAL;
775 if (port_topology.serdes_lane_count > 4)
776 return -EINVAL;
777
778 ice_prv_regs_buf = p;
779
780 /* Get serdes equalization parameter for available serdes */
781 for (i = 0; i < port_topology.serdes_lane_count; i++) {
782 u8 serdes_num = 0;
783
784 serdes_num = port_topology.primary_serdes_lane + i;
785 err = ice_get_tx_rx_equa(hw, serdes_num,
786 &ice_prv_regs_buf->equalization[i]);
787 if (err)
788 return -EINVAL;
789 }
790
791 return 0;
792 }
793
794 static void
ice_get_regs(struct net_device * netdev,struct ethtool_regs * regs,void * p)795 ice_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p)
796 {
797 struct ice_netdev_priv *np = netdev_priv(netdev);
798 struct ice_pf *pf = np->vsi->back;
799 struct ice_hw *hw = &pf->hw;
800 u32 *regs_buf = (u32 *)p;
801 unsigned int i;
802
803 regs->version = 2;
804
805 for (i = 0; i < ARRAY_SIZE(ice_regs_dump_list); ++i)
806 regs_buf[i] = rd32(hw, ice_regs_dump_list[i]);
807
808 ice_get_extended_regs(netdev, (void *)®s_buf[i]);
809 }
810
ice_get_msglevel(struct net_device * netdev)811 static u32 ice_get_msglevel(struct net_device *netdev)
812 {
813 struct ice_netdev_priv *np = netdev_priv(netdev);
814 struct ice_pf *pf = np->vsi->back;
815
816 #ifndef CONFIG_DYNAMIC_DEBUG
817 if (pf->hw.debug_mask)
818 netdev_info(netdev, "hw debug_mask: 0x%llX\n",
819 pf->hw.debug_mask);
820 #endif /* !CONFIG_DYNAMIC_DEBUG */
821
822 return pf->msg_enable;
823 }
824
ice_set_msglevel(struct net_device * netdev,u32 data)825 static void ice_set_msglevel(struct net_device *netdev, u32 data)
826 {
827 struct ice_netdev_priv *np = netdev_priv(netdev);
828 struct ice_pf *pf = np->vsi->back;
829
830 #ifndef CONFIG_DYNAMIC_DEBUG
831 if (ICE_DBG_USER & data)
832 pf->hw.debug_mask = data;
833 else
834 pf->msg_enable = data;
835 #else
836 pf->msg_enable = data;
837 #endif /* !CONFIG_DYNAMIC_DEBUG */
838 }
839
ice_get_link_ext_stats(struct net_device * netdev,struct ethtool_link_ext_stats * stats)840 static void ice_get_link_ext_stats(struct net_device *netdev,
841 struct ethtool_link_ext_stats *stats)
842 {
843 struct ice_netdev_priv *np = netdev_priv(netdev);
844 struct ice_pf *pf = np->vsi->back;
845
846 stats->link_down_events = pf->link_down_events;
847 }
848
ice_get_eeprom_len(struct net_device * netdev)849 static int ice_get_eeprom_len(struct net_device *netdev)
850 {
851 struct ice_netdev_priv *np = netdev_priv(netdev);
852 struct ice_pf *pf = np->vsi->back;
853
854 return (int)pf->hw.flash.flash_size;
855 }
856
857 static int
ice_get_eeprom(struct net_device * netdev,struct ethtool_eeprom * eeprom,u8 * bytes)858 ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
859 u8 *bytes)
860 {
861 struct ice_netdev_priv *np = netdev_priv(netdev);
862 struct ice_vsi *vsi = np->vsi;
863 struct ice_pf *pf = vsi->back;
864 struct ice_hw *hw = &pf->hw;
865 struct device *dev;
866 int ret;
867 u8 *buf;
868
869 dev = ice_pf_to_dev(pf);
870
871 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
872 netdev_dbg(netdev, "GEEPROM cmd 0x%08x, offset 0x%08x, len 0x%08x\n",
873 eeprom->cmd, eeprom->offset, eeprom->len);
874
875 buf = kzalloc(eeprom->len, GFP_KERNEL);
876 if (!buf)
877 return -ENOMEM;
878
879 ret = ice_acquire_nvm(hw, ICE_RES_READ);
880 if (ret) {
881 dev_err(dev, "ice_acquire_nvm failed, err %d aq_err %s\n",
882 ret, libie_aq_str(hw->adminq.sq_last_status));
883 goto out;
884 }
885
886 ret = ice_read_flat_nvm(hw, eeprom->offset, &eeprom->len, buf,
887 false);
888 if (ret) {
889 dev_err(dev, "ice_read_flat_nvm failed, err %d aq_err %s\n",
890 ret, libie_aq_str(hw->adminq.sq_last_status));
891 goto release;
892 }
893
894 memcpy(bytes, buf, eeprom->len);
895 release:
896 ice_release_nvm(hw);
897 out:
898 kfree(buf);
899 return ret;
900 }
901
902 /**
903 * ice_active_vfs - check if there are any active VFs
904 * @pf: board private structure
905 *
906 * Returns true if an active VF is found, otherwise returns false
907 */
ice_active_vfs(struct ice_pf * pf)908 static bool ice_active_vfs(struct ice_pf *pf)
909 {
910 bool active = false;
911 struct ice_vf *vf;
912 unsigned int bkt;
913
914 rcu_read_lock();
915 ice_for_each_vf_rcu(pf, bkt, vf) {
916 if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
917 active = true;
918 break;
919 }
920 }
921 rcu_read_unlock();
922
923 return active;
924 }
925
926 /**
927 * ice_link_test - perform a link test on a given net_device
928 * @netdev: network interface device structure
929 *
930 * This function performs one of the self-tests required by ethtool.
931 * Returns 0 on success, non-zero on failure.
932 */
ice_link_test(struct net_device * netdev)933 static u64 ice_link_test(struct net_device *netdev)
934 {
935 struct ice_netdev_priv *np = netdev_priv(netdev);
936 bool link_up = false;
937 int status;
938
939 netdev_info(netdev, "link test\n");
940 status = ice_get_link_status(np->vsi->port_info, &link_up);
941 if (status) {
942 netdev_err(netdev, "link query error, status = %d\n",
943 status);
944 return 1;
945 }
946
947 if (!link_up)
948 return 2;
949
950 return 0;
951 }
952
953 /**
954 * ice_eeprom_test - perform an EEPROM test on a given net_device
955 * @netdev: network interface device structure
956 *
957 * This function performs one of the self-tests required by ethtool.
958 * Returns 0 on success, non-zero on failure.
959 */
ice_eeprom_test(struct net_device * netdev)960 static u64 ice_eeprom_test(struct net_device *netdev)
961 {
962 struct ice_netdev_priv *np = netdev_priv(netdev);
963 struct ice_pf *pf = np->vsi->back;
964
965 netdev_info(netdev, "EEPROM test\n");
966 return !!(ice_nvm_validate_checksum(&pf->hw));
967 }
968
969 /**
970 * ice_reg_pattern_test
971 * @hw: pointer to the HW struct
972 * @reg: reg to be tested
973 * @mask: bits to be touched
974 */
ice_reg_pattern_test(struct ice_hw * hw,u32 reg,u32 mask)975 static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask)
976 {
977 struct ice_pf *pf = (struct ice_pf *)hw->back;
978 struct device *dev = ice_pf_to_dev(pf);
979 static const u32 patterns[] = {
980 0x5A5A5A5A, 0xA5A5A5A5,
981 0x00000000, 0xFFFFFFFF
982 };
983 u32 val, orig_val;
984 unsigned int i;
985
986 orig_val = rd32(hw, reg);
987 for (i = 0; i < ARRAY_SIZE(patterns); ++i) {
988 u32 pattern = patterns[i] & mask;
989
990 wr32(hw, reg, pattern);
991 val = rd32(hw, reg);
992 if (val == pattern)
993 continue;
994 dev_err(dev, "%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n"
995 , __func__, reg, pattern, val);
996 return 1;
997 }
998
999 wr32(hw, reg, orig_val);
1000 val = rd32(hw, reg);
1001 if (val != orig_val) {
1002 dev_err(dev, "%s: reg restore test failed - reg 0x%08x orig 0x%08x val 0x%08x\n"
1003 , __func__, reg, orig_val, val);
1004 return 1;
1005 }
1006
1007 return 0;
1008 }
1009
1010 /**
1011 * ice_reg_test - perform a register test on a given net_device
1012 * @netdev: network interface device structure
1013 *
1014 * This function performs one of the self-tests required by ethtool.
1015 * Returns 0 on success, non-zero on failure.
1016 */
ice_reg_test(struct net_device * netdev)1017 static u64 ice_reg_test(struct net_device *netdev)
1018 {
1019 struct ice_netdev_priv *np = netdev_priv(netdev);
1020 struct ice_hw *hw = np->vsi->port_info->hw;
1021 u32 int_elements = hw->func_caps.common_cap.num_msix_vectors ?
1022 hw->func_caps.common_cap.num_msix_vectors - 1 : 1;
1023 struct ice_diag_reg_test_info {
1024 u32 address;
1025 u32 mask;
1026 u32 elem_num;
1027 u32 elem_size;
1028 } ice_reg_list[] = {
1029 {GLINT_ITR(0, 0), 0x00000fff, int_elements,
1030 GLINT_ITR(0, 1) - GLINT_ITR(0, 0)},
1031 {GLINT_ITR(1, 0), 0x00000fff, int_elements,
1032 GLINT_ITR(1, 1) - GLINT_ITR(1, 0)},
1033 {GLINT_ITR(0, 0), 0x00000fff, int_elements,
1034 GLINT_ITR(2, 1) - GLINT_ITR(2, 0)},
1035 {GLINT_CTL, 0xffff0001, 1, 0}
1036 };
1037 unsigned int i;
1038
1039 netdev_dbg(netdev, "Register test\n");
1040 for (i = 0; i < ARRAY_SIZE(ice_reg_list); ++i) {
1041 u32 j;
1042
1043 for (j = 0; j < ice_reg_list[i].elem_num; ++j) {
1044 u32 mask = ice_reg_list[i].mask;
1045 u32 reg = ice_reg_list[i].address +
1046 (j * ice_reg_list[i].elem_size);
1047
1048 /* bail on failure (non-zero return) */
1049 if (ice_reg_pattern_test(hw, reg, mask))
1050 return 1;
1051 }
1052 }
1053
1054 return 0;
1055 }
1056
1057 /**
1058 * ice_lbtest_prepare_rings - configure Tx/Rx test rings
1059 * @vsi: pointer to the VSI structure
1060 *
1061 * Function configures rings of a VSI for loopback test without
1062 * enabling interrupts or informing the kernel about new queues.
1063 *
1064 * Returns 0 on success, negative on failure.
1065 */
ice_lbtest_prepare_rings(struct ice_vsi * vsi)1066 static int ice_lbtest_prepare_rings(struct ice_vsi *vsi)
1067 {
1068 int status;
1069
1070 status = ice_vsi_setup_tx_rings(vsi);
1071 if (status)
1072 goto err_setup_tx_ring;
1073
1074 status = ice_vsi_setup_rx_rings(vsi);
1075 if (status)
1076 goto err_setup_rx_ring;
1077
1078 status = ice_vsi_cfg_lan(vsi);
1079 if (status)
1080 goto err_setup_rx_ring;
1081
1082 status = ice_vsi_start_all_rx_rings(vsi);
1083 if (status)
1084 goto err_start_rx_ring;
1085
1086 return 0;
1087
1088 err_start_rx_ring:
1089 ice_vsi_free_rx_rings(vsi);
1090 err_setup_rx_ring:
1091 ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0);
1092 err_setup_tx_ring:
1093 ice_vsi_free_tx_rings(vsi);
1094
1095 return status;
1096 }
1097
1098 /**
1099 * ice_lbtest_disable_rings - disable Tx/Rx test rings after loopback test
1100 * @vsi: pointer to the VSI structure
1101 *
1102 * Function stops and frees VSI rings after a loopback test.
1103 * Returns 0 on success, negative on failure.
1104 */
ice_lbtest_disable_rings(struct ice_vsi * vsi)1105 static int ice_lbtest_disable_rings(struct ice_vsi *vsi)
1106 {
1107 int status;
1108
1109 status = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0);
1110 if (status)
1111 netdev_err(vsi->netdev, "Failed to stop Tx rings, VSI %d error %d\n",
1112 vsi->vsi_num, status);
1113
1114 status = ice_vsi_stop_all_rx_rings(vsi);
1115 if (status)
1116 netdev_err(vsi->netdev, "Failed to stop Rx rings, VSI %d error %d\n",
1117 vsi->vsi_num, status);
1118
1119 ice_vsi_free_tx_rings(vsi);
1120 ice_vsi_free_rx_rings(vsi);
1121
1122 return status;
1123 }
1124
1125 /**
1126 * ice_lbtest_create_frame - create test packet
1127 * @pf: pointer to the PF structure
1128 * @ret_data: allocated frame buffer
1129 * @size: size of the packet data
1130 *
1131 * Function allocates a frame with a test pattern on specific offsets.
1132 * Returns 0 on success, non-zero on failure.
1133 */
ice_lbtest_create_frame(struct ice_pf * pf,u8 ** ret_data,u16 size)1134 static int ice_lbtest_create_frame(struct ice_pf *pf, u8 **ret_data, u16 size)
1135 {
1136 u8 *data;
1137
1138 if (!pf)
1139 return -EINVAL;
1140
1141 data = kzalloc(size, GFP_KERNEL);
1142 if (!data)
1143 return -ENOMEM;
1144
1145 /* Since the ethernet test frame should always be at least
1146 * 64 bytes long, fill some octets in the payload with test data.
1147 */
1148 memset(data, 0xFF, size);
1149 data[32] = 0xDE;
1150 data[42] = 0xAD;
1151 data[44] = 0xBE;
1152 data[46] = 0xEF;
1153
1154 *ret_data = data;
1155
1156 return 0;
1157 }
1158
1159 /**
1160 * ice_lbtest_check_frame - verify received loopback frame
1161 * @frame: pointer to the raw packet data
1162 *
1163 * Function verifies received test frame with a pattern.
1164 * Returns true if frame matches the pattern, false otherwise.
1165 */
ice_lbtest_check_frame(u8 * frame)1166 static bool ice_lbtest_check_frame(u8 *frame)
1167 {
1168 /* Validate bytes of a frame under offsets chosen earlier */
1169 if (frame[32] == 0xDE &&
1170 frame[42] == 0xAD &&
1171 frame[44] == 0xBE &&
1172 frame[46] == 0xEF &&
1173 frame[48] == 0xFF)
1174 return true;
1175
1176 return false;
1177 }
1178
1179 /**
1180 * ice_diag_send - send test frames to the test ring
1181 * @tx_ring: pointer to the transmit ring
1182 * @data: pointer to the raw packet data
1183 * @size: size of the packet to send
1184 *
1185 * Function sends loopback packets on a test Tx ring.
1186 */
ice_diag_send(struct ice_tx_ring * tx_ring,u8 * data,u16 size)1187 static int ice_diag_send(struct ice_tx_ring *tx_ring, u8 *data, u16 size)
1188 {
1189 struct ice_tx_desc *tx_desc;
1190 struct ice_tx_buf *tx_buf;
1191 dma_addr_t dma;
1192 u64 td_cmd;
1193
1194 tx_desc = ICE_TX_DESC(tx_ring, tx_ring->next_to_use);
1195 tx_buf = &tx_ring->tx_buf[tx_ring->next_to_use];
1196
1197 dma = dma_map_single(tx_ring->dev, data, size, DMA_TO_DEVICE);
1198 if (dma_mapping_error(tx_ring->dev, dma))
1199 return -EINVAL;
1200
1201 tx_desc->buf_addr = cpu_to_le64(dma);
1202
1203 /* These flags are required for a descriptor to be pushed out */
1204 td_cmd = (u64)(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS);
1205 tx_desc->cmd_type_offset_bsz =
1206 cpu_to_le64(ICE_TX_DESC_DTYPE_DATA |
1207 (td_cmd << ICE_TXD_QW1_CMD_S) |
1208 ((u64)0 << ICE_TXD_QW1_OFFSET_S) |
1209 ((u64)size << ICE_TXD_QW1_TX_BUF_SZ_S) |
1210 ((u64)0 << ICE_TXD_QW1_L2TAG1_S));
1211
1212 tx_buf->next_to_watch = tx_desc;
1213
1214 /* Force memory write to complete before letting h/w know
1215 * there are new descriptors to fetch.
1216 */
1217 wmb();
1218
1219 tx_ring->next_to_use++;
1220 if (tx_ring->next_to_use >= tx_ring->count)
1221 tx_ring->next_to_use = 0;
1222
1223 writel_relaxed(tx_ring->next_to_use, tx_ring->tail);
1224
1225 /* Wait until the packets get transmitted to the receive queue. */
1226 usleep_range(1000, 2000);
1227 dma_unmap_single(tx_ring->dev, dma, size, DMA_TO_DEVICE);
1228
1229 return 0;
1230 }
1231
1232 #define ICE_LB_FRAME_SIZE 64
1233 /**
1234 * ice_lbtest_receive_frames - receive and verify test frames
1235 * @rx_ring: pointer to the receive ring
1236 *
1237 * Function receives loopback packets and verify their correctness.
1238 * Returns number of received valid frames.
1239 */
ice_lbtest_receive_frames(struct ice_rx_ring * rx_ring)1240 static int ice_lbtest_receive_frames(struct ice_rx_ring *rx_ring)
1241 {
1242 struct ice_rx_buf *rx_buf;
1243 int valid_frames, i;
1244 u8 *received_buf;
1245
1246 valid_frames = 0;
1247
1248 for (i = 0; i < rx_ring->count; i++) {
1249 union ice_32b_rx_flex_desc *rx_desc;
1250
1251 rx_desc = ICE_RX_DESC(rx_ring, i);
1252
1253 if (!(rx_desc->wb.status_error0 &
1254 (cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_DD_S)) |
1255 cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_EOF_S)))))
1256 continue;
1257
1258 rx_buf = &rx_ring->rx_buf[i];
1259 received_buf = page_address(rx_buf->page) + rx_buf->page_offset;
1260
1261 if (ice_lbtest_check_frame(received_buf))
1262 valid_frames++;
1263 }
1264
1265 return valid_frames;
1266 }
1267
1268 /**
1269 * ice_loopback_test - perform a loopback test on a given net_device
1270 * @netdev: network interface device structure
1271 *
1272 * This function performs one of the self-tests required by ethtool.
1273 * Returns 0 on success, non-zero on failure.
1274 */
ice_loopback_test(struct net_device * netdev)1275 static u64 ice_loopback_test(struct net_device *netdev)
1276 {
1277 struct ice_netdev_priv *np = netdev_priv(netdev);
1278 struct ice_vsi *orig_vsi = np->vsi, *test_vsi;
1279 struct ice_pf *pf = orig_vsi->back;
1280 u8 *tx_frame __free(kfree) = NULL;
1281 u8 broadcast[ETH_ALEN], ret = 0;
1282 int num_frames, valid_frames;
1283 struct ice_tx_ring *tx_ring;
1284 struct ice_rx_ring *rx_ring;
1285 int i;
1286
1287 netdev_info(netdev, "loopback test\n");
1288
1289 test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info);
1290 if (!test_vsi) {
1291 netdev_err(netdev, "Failed to create a VSI for the loopback test\n");
1292 return 1;
1293 }
1294
1295 test_vsi->netdev = netdev;
1296 tx_ring = test_vsi->tx_rings[0];
1297 rx_ring = test_vsi->rx_rings[0];
1298
1299 if (ice_lbtest_prepare_rings(test_vsi)) {
1300 ret = 2;
1301 goto lbtest_vsi_close;
1302 }
1303
1304 if (ice_alloc_rx_bufs(rx_ring, rx_ring->count)) {
1305 ret = 3;
1306 goto lbtest_rings_dis;
1307 }
1308
1309 /* Enable MAC loopback in firmware */
1310 if (ice_aq_set_mac_loopback(&pf->hw, true, NULL)) {
1311 ret = 4;
1312 goto lbtest_mac_dis;
1313 }
1314
1315 /* Test VSI needs to receive broadcast packets */
1316 eth_broadcast_addr(broadcast);
1317 if (ice_fltr_add_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) {
1318 ret = 5;
1319 goto lbtest_mac_dis;
1320 }
1321
1322 if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) {
1323 ret = 7;
1324 goto remove_mac_filters;
1325 }
1326
1327 num_frames = min_t(int, tx_ring->count, 32);
1328 for (i = 0; i < num_frames; i++) {
1329 if (ice_diag_send(tx_ring, tx_frame, ICE_LB_FRAME_SIZE)) {
1330 ret = 8;
1331 goto remove_mac_filters;
1332 }
1333 }
1334
1335 valid_frames = ice_lbtest_receive_frames(rx_ring);
1336 if (!valid_frames)
1337 ret = 9;
1338 else if (valid_frames != num_frames)
1339 ret = 10;
1340
1341 remove_mac_filters:
1342 if (ice_fltr_remove_mac(test_vsi, broadcast, ICE_FWD_TO_VSI))
1343 netdev_err(netdev, "Could not remove MAC filter for the test VSI\n");
1344 lbtest_mac_dis:
1345 /* Disable MAC loopback after the test is completed. */
1346 if (ice_aq_set_mac_loopback(&pf->hw, false, NULL))
1347 netdev_err(netdev, "Could not disable MAC loopback\n");
1348 lbtest_rings_dis:
1349 if (ice_lbtest_disable_rings(test_vsi))
1350 netdev_err(netdev, "Could not disable test rings\n");
1351 lbtest_vsi_close:
1352 test_vsi->netdev = NULL;
1353 if (ice_vsi_release(test_vsi))
1354 netdev_err(netdev, "Failed to remove the test VSI\n");
1355
1356 return ret;
1357 }
1358
1359 /**
1360 * ice_intr_test - perform an interrupt test on a given net_device
1361 * @netdev: network interface device structure
1362 *
1363 * This function performs one of the self-tests required by ethtool.
1364 * Returns 0 on success, non-zero on failure.
1365 */
ice_intr_test(struct net_device * netdev)1366 static u64 ice_intr_test(struct net_device *netdev)
1367 {
1368 struct ice_netdev_priv *np = netdev_priv(netdev);
1369 struct ice_pf *pf = np->vsi->back;
1370 u16 swic_old = pf->sw_int_count;
1371
1372 netdev_info(netdev, "interrupt test\n");
1373
1374 wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_irq.index),
1375 GLINT_DYN_CTL_SW_ITR_INDX_M |
1376 GLINT_DYN_CTL_INTENA_MSK_M |
1377 GLINT_DYN_CTL_SWINT_TRIG_M);
1378
1379 usleep_range(1000, 2000);
1380 return (swic_old == pf->sw_int_count);
1381 }
1382
1383 /**
1384 * ice_self_test - handler function for performing a self-test by ethtool
1385 * @netdev: network interface device structure
1386 * @eth_test: ethtool_test structure
1387 * @data: required by ethtool.self_test
1388 *
1389 * This function is called after invoking 'ethtool -t devname' command where
1390 * devname is the name of the network device on which ethtool should operate.
1391 * It performs a set of self-tests to check if a device works properly.
1392 */
1393 static void
ice_self_test(struct net_device * netdev,struct ethtool_test * eth_test,u64 * data)1394 ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test,
1395 u64 *data)
1396 {
1397 struct ice_netdev_priv *np = netdev_priv(netdev);
1398 bool if_running = netif_running(netdev);
1399 struct ice_pf *pf = np->vsi->back;
1400 struct device *dev;
1401
1402 dev = ice_pf_to_dev(pf);
1403
1404 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1405 netdev_info(netdev, "offline testing starting\n");
1406
1407 set_bit(ICE_TESTING, pf->state);
1408
1409 if (ice_active_vfs(pf)) {
1410 dev_warn(dev, "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n");
1411 data[ICE_ETH_TEST_REG] = 1;
1412 data[ICE_ETH_TEST_EEPROM] = 1;
1413 data[ICE_ETH_TEST_INTR] = 1;
1414 data[ICE_ETH_TEST_LOOP] = 1;
1415 data[ICE_ETH_TEST_LINK] = 1;
1416 eth_test->flags |= ETH_TEST_FL_FAILED;
1417 clear_bit(ICE_TESTING, pf->state);
1418 goto skip_ol_tests;
1419 }
1420 /* If the device is online then take it offline */
1421 if (if_running)
1422 /* indicate we're in test mode */
1423 ice_stop(netdev);
1424
1425 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev);
1426 data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev);
1427 data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev);
1428 data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev);
1429 data[ICE_ETH_TEST_REG] = ice_reg_test(netdev);
1430
1431 if (data[ICE_ETH_TEST_LINK] ||
1432 data[ICE_ETH_TEST_EEPROM] ||
1433 data[ICE_ETH_TEST_LOOP] ||
1434 data[ICE_ETH_TEST_INTR] ||
1435 data[ICE_ETH_TEST_REG])
1436 eth_test->flags |= ETH_TEST_FL_FAILED;
1437
1438 clear_bit(ICE_TESTING, pf->state);
1439
1440 if (if_running) {
1441 int status = ice_open(netdev);
1442
1443 if (status) {
1444 dev_err(dev, "Could not open device %s, err %d\n",
1445 pf->int_name, status);
1446 }
1447 }
1448 } else {
1449 /* Online tests */
1450 netdev_info(netdev, "online testing starting\n");
1451
1452 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev);
1453 if (data[ICE_ETH_TEST_LINK])
1454 eth_test->flags |= ETH_TEST_FL_FAILED;
1455
1456 /* Offline only tests, not run in online; pass by default */
1457 data[ICE_ETH_TEST_REG] = 0;
1458 data[ICE_ETH_TEST_EEPROM] = 0;
1459 data[ICE_ETH_TEST_INTR] = 0;
1460 data[ICE_ETH_TEST_LOOP] = 0;
1461 }
1462
1463 skip_ol_tests:
1464 netdev_info(netdev, "testing finished\n");
1465 }
1466
1467 static void
__ice_get_strings(struct net_device * netdev,u32 stringset,u8 * data,struct ice_vsi * vsi)1468 __ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data,
1469 struct ice_vsi *vsi)
1470 {
1471 unsigned int i;
1472 u8 *p = data;
1473
1474 switch (stringset) {
1475 case ETH_SS_STATS:
1476 for (i = 0; i < ICE_VSI_STATS_LEN; i++)
1477 ethtool_puts(&p, ice_gstrings_vsi_stats[i].stat_string);
1478
1479 if (ice_is_port_repr_netdev(netdev))
1480 return;
1481
1482 ice_for_each_alloc_txq(vsi, i) {
1483 ethtool_sprintf(&p, "tx_queue_%u_packets", i);
1484 ethtool_sprintf(&p, "tx_queue_%u_bytes", i);
1485 }
1486
1487 ice_for_each_alloc_rxq(vsi, i) {
1488 ethtool_sprintf(&p, "rx_queue_%u_packets", i);
1489 ethtool_sprintf(&p, "rx_queue_%u_bytes", i);
1490 }
1491
1492 if (vsi->type != ICE_VSI_PF)
1493 return;
1494
1495 for (i = 0; i < ICE_PF_STATS_LEN; i++)
1496 ethtool_puts(&p, ice_gstrings_pf_stats[i].stat_string);
1497
1498 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
1499 ethtool_sprintf(&p, "tx_priority_%u_xon.nic", i);
1500 ethtool_sprintf(&p, "tx_priority_%u_xoff.nic", i);
1501 }
1502 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
1503 ethtool_sprintf(&p, "rx_priority_%u_xon.nic", i);
1504 ethtool_sprintf(&p, "rx_priority_%u_xoff.nic", i);
1505 }
1506 break;
1507 case ETH_SS_TEST:
1508 memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN);
1509 break;
1510 case ETH_SS_PRIV_FLAGS:
1511 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++)
1512 ethtool_puts(&p, ice_gstrings_priv_flags[i].name);
1513 break;
1514 default:
1515 break;
1516 }
1517 }
1518
ice_get_strings(struct net_device * netdev,u32 stringset,u8 * data)1519 static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
1520 {
1521 struct ice_netdev_priv *np = netdev_priv(netdev);
1522
1523 __ice_get_strings(netdev, stringset, data, np->vsi);
1524 }
1525
1526 static int
ice_set_phys_id(struct net_device * netdev,enum ethtool_phys_id_state state)1527 ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state)
1528 {
1529 struct ice_netdev_priv *np = netdev_priv(netdev);
1530 bool led_active;
1531
1532 switch (state) {
1533 case ETHTOOL_ID_ACTIVE:
1534 led_active = true;
1535 break;
1536 case ETHTOOL_ID_INACTIVE:
1537 led_active = false;
1538 break;
1539 default:
1540 return -EINVAL;
1541 }
1542
1543 if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL))
1544 return -EIO;
1545
1546 return 0;
1547 }
1548
1549 /**
1550 * ice_set_fec_cfg - Set link FEC options
1551 * @netdev: network interface device structure
1552 * @req_fec: FEC mode to configure
1553 */
ice_set_fec_cfg(struct net_device * netdev,enum ice_fec_mode req_fec)1554 static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec)
1555 {
1556 struct ice_netdev_priv *np = netdev_priv(netdev);
1557 struct ice_aqc_set_phy_cfg_data config = { 0 };
1558 struct ice_vsi *vsi = np->vsi;
1559 struct ice_port_info *pi;
1560
1561 pi = vsi->port_info;
1562 if (!pi)
1563 return -EOPNOTSUPP;
1564
1565 /* Changing the FEC parameters is not supported if not the PF VSI */
1566 if (vsi->type != ICE_VSI_PF) {
1567 netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n");
1568 return -EOPNOTSUPP;
1569 }
1570
1571 /* Proceed only if requesting different FEC mode */
1572 if (pi->phy.curr_user_fec_req == req_fec)
1573 return 0;
1574
1575 /* Copy the current user PHY configuration. The current user PHY
1576 * configuration is initialized during probe from PHY capabilities
1577 * software mode, and updated on set PHY configuration.
1578 */
1579 memcpy(&config, &pi->phy.curr_user_phy_cfg, sizeof(config));
1580
1581 ice_cfg_phy_fec(pi, &config, req_fec);
1582 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
1583
1584 if (ice_aq_set_phy_cfg(pi->hw, pi, &config, NULL))
1585 return -EAGAIN;
1586
1587 /* Save requested FEC config */
1588 pi->phy.curr_user_fec_req = req_fec;
1589
1590 return 0;
1591 }
1592
1593 /**
1594 * ice_set_fecparam - Set FEC link options
1595 * @netdev: network interface device structure
1596 * @fecparam: Ethtool structure to retrieve FEC parameters
1597 */
1598 static int
ice_set_fecparam(struct net_device * netdev,struct ethtool_fecparam * fecparam)1599 ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam)
1600 {
1601 struct ice_netdev_priv *np = netdev_priv(netdev);
1602 struct ice_vsi *vsi = np->vsi;
1603 enum ice_fec_mode fec;
1604
1605 switch (fecparam->fec) {
1606 case ETHTOOL_FEC_AUTO:
1607 fec = ICE_FEC_AUTO;
1608 break;
1609 case ETHTOOL_FEC_RS:
1610 fec = ICE_FEC_RS;
1611 break;
1612 case ETHTOOL_FEC_BASER:
1613 fec = ICE_FEC_BASER;
1614 break;
1615 case ETHTOOL_FEC_OFF:
1616 case ETHTOOL_FEC_NONE:
1617 fec = ICE_FEC_NONE;
1618 break;
1619 default:
1620 dev_warn(ice_pf_to_dev(vsi->back), "Unsupported FEC mode: %d\n",
1621 fecparam->fec);
1622 return -EINVAL;
1623 }
1624
1625 return ice_set_fec_cfg(netdev, fec);
1626 }
1627
1628 /**
1629 * ice_get_fecparam - Get link FEC options
1630 * @netdev: network interface device structure
1631 * @fecparam: Ethtool structure to retrieve FEC parameters
1632 */
1633 static int
ice_get_fecparam(struct net_device * netdev,struct ethtool_fecparam * fecparam)1634 ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam)
1635 {
1636 struct ice_netdev_priv *np = netdev_priv(netdev);
1637 struct ice_aqc_get_phy_caps_data *caps;
1638 struct ice_link_status *link_info;
1639 struct ice_vsi *vsi = np->vsi;
1640 struct ice_port_info *pi;
1641 int err;
1642
1643 pi = vsi->port_info;
1644
1645 if (!pi)
1646 return -EOPNOTSUPP;
1647 link_info = &pi->phy.link_info;
1648
1649 /* Set FEC mode based on negotiated link info */
1650 switch (link_info->fec_info) {
1651 case ICE_AQ_LINK_25G_KR_FEC_EN:
1652 fecparam->active_fec = ETHTOOL_FEC_BASER;
1653 break;
1654 case ICE_AQ_LINK_25G_RS_528_FEC_EN:
1655 case ICE_AQ_LINK_25G_RS_544_FEC_EN:
1656 fecparam->active_fec = ETHTOOL_FEC_RS;
1657 break;
1658 default:
1659 fecparam->active_fec = ETHTOOL_FEC_OFF;
1660 break;
1661 }
1662
1663 caps = kzalloc(sizeof(*caps), GFP_KERNEL);
1664 if (!caps)
1665 return -ENOMEM;
1666
1667 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA,
1668 caps, NULL);
1669 if (err)
1670 goto done;
1671
1672 /* Set supported/configured FEC modes based on PHY capability */
1673 if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC)
1674 fecparam->fec |= ETHTOOL_FEC_AUTO;
1675 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN ||
1676 caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ ||
1677 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN ||
1678 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ)
1679 fecparam->fec |= ETHTOOL_FEC_BASER;
1680 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ ||
1681 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ ||
1682 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN)
1683 fecparam->fec |= ETHTOOL_FEC_RS;
1684 if (caps->link_fec_options == 0)
1685 fecparam->fec |= ETHTOOL_FEC_OFF;
1686
1687 done:
1688 kfree(caps);
1689 return err;
1690 }
1691
1692 /**
1693 * ice_nway_reset - restart autonegotiation
1694 * @netdev: network interface device structure
1695 */
ice_nway_reset(struct net_device * netdev)1696 static int ice_nway_reset(struct net_device *netdev)
1697 {
1698 struct ice_netdev_priv *np = netdev_priv(netdev);
1699 struct ice_vsi *vsi = np->vsi;
1700 int err;
1701
1702 /* If VSI state is up, then restart autoneg with link up */
1703 if (!test_bit(ICE_DOWN, vsi->back->state))
1704 err = ice_set_link(vsi, true);
1705 else
1706 err = ice_set_link(vsi, false);
1707
1708 return err;
1709 }
1710
1711 /**
1712 * ice_get_priv_flags - report device private flags
1713 * @netdev: network interface device structure
1714 *
1715 * The get string set count and the string set should be matched for each
1716 * flag returned. Add new strings for each flag to the ice_gstrings_priv_flags
1717 * array.
1718 *
1719 * Returns a u32 bitmap of flags.
1720 */
ice_get_priv_flags(struct net_device * netdev)1721 static u32 ice_get_priv_flags(struct net_device *netdev)
1722 {
1723 struct ice_netdev_priv *np = netdev_priv(netdev);
1724 struct ice_vsi *vsi = np->vsi;
1725 struct ice_pf *pf = vsi->back;
1726 u32 i, ret_flags = 0;
1727
1728 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {
1729 const struct ice_priv_flag *priv_flag;
1730
1731 priv_flag = &ice_gstrings_priv_flags[i];
1732
1733 if (test_bit(priv_flag->bitno, pf->flags))
1734 ret_flags |= BIT(i);
1735 }
1736
1737 return ret_flags;
1738 }
1739
1740 /**
1741 * ice_set_priv_flags - set private flags
1742 * @netdev: network interface device structure
1743 * @flags: bit flags to be set
1744 */
ice_set_priv_flags(struct net_device * netdev,u32 flags)1745 static int ice_set_priv_flags(struct net_device *netdev, u32 flags)
1746 {
1747 struct ice_netdev_priv *np = netdev_priv(netdev);
1748 DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS);
1749 DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS);
1750 struct ice_vsi *vsi = np->vsi;
1751 struct ice_pf *pf = vsi->back;
1752 struct device *dev;
1753 int ret = 0;
1754 u32 i;
1755
1756 if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE))
1757 return -EINVAL;
1758
1759 dev = ice_pf_to_dev(pf);
1760 set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags);
1761
1762 bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS);
1763 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {
1764 const struct ice_priv_flag *priv_flag;
1765
1766 priv_flag = &ice_gstrings_priv_flags[i];
1767
1768 if (flags & BIT(i))
1769 set_bit(priv_flag->bitno, pf->flags);
1770 else
1771 clear_bit(priv_flag->bitno, pf->flags);
1772 }
1773
1774 bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS);
1775
1776 /* Do not allow change to link-down-on-close when Total Port Shutdown
1777 * is enabled.
1778 */
1779 if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, change_flags) &&
1780 test_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags)) {
1781 dev_err(dev, "Setting link-down-on-close not supported on this port\n");
1782 set_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags);
1783 ret = -EINVAL;
1784 goto ethtool_exit;
1785 }
1786
1787 if (test_bit(ICE_FLAG_FW_LLDP_AGENT, change_flags)) {
1788 if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) {
1789 int status;
1790
1791 /* Disable FW LLDP engine */
1792 status = ice_cfg_lldp_mib_change(&pf->hw, false);
1793
1794 /* If unregistering for LLDP events fails, this is
1795 * not an error state, as there shouldn't be any
1796 * events to respond to.
1797 */
1798 if (status)
1799 dev_info(dev, "Failed to unreg for LLDP events\n");
1800
1801 /* The AQ call to stop the FW LLDP agent will generate
1802 * an error if the agent is already stopped.
1803 */
1804 status = ice_aq_stop_lldp(&pf->hw, true, true, NULL);
1805 if (status)
1806 dev_warn(dev, "Fail to stop LLDP agent\n");
1807 /* Use case for having the FW LLDP agent stopped
1808 * will likely not need DCB, so failure to init is
1809 * not a concern of ethtool
1810 */
1811 status = ice_init_pf_dcb(pf, true);
1812 if (status)
1813 dev_warn(dev, "Fail to init DCB\n");
1814
1815 pf->dcbx_cap &= ~DCB_CAP_DCBX_LLD_MANAGED;
1816 pf->dcbx_cap |= DCB_CAP_DCBX_HOST;
1817 } else {
1818 bool dcbx_agent_status;
1819 int status;
1820
1821 if (ice_get_pfc_mode(pf) == ICE_QOS_MODE_DSCP) {
1822 clear_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags);
1823 dev_err(dev, "QoS in L3 DSCP mode, FW Agent not allowed to start\n");
1824 ret = -EOPNOTSUPP;
1825 goto ethtool_exit;
1826 }
1827
1828 /* Remove rule to direct LLDP packets to default VSI.
1829 * The FW LLDP engine will now be consuming them.
1830 */
1831 ice_cfg_sw_rx_lldp(vsi->back, false);
1832
1833 /* AQ command to start FW LLDP agent will return an
1834 * error if the agent is already started
1835 */
1836 status = ice_aq_start_lldp(&pf->hw, true, NULL);
1837 if (status)
1838 dev_warn(dev, "Fail to start LLDP Agent\n");
1839
1840 /* AQ command to start FW DCBX agent will fail if
1841 * the agent is already started
1842 */
1843 status = ice_aq_start_stop_dcbx(&pf->hw, true,
1844 &dcbx_agent_status,
1845 NULL);
1846 if (status)
1847 dev_dbg(dev, "Failed to start FW DCBX\n");
1848
1849 dev_info(dev, "FW DCBX agent is %s\n",
1850 dcbx_agent_status ? "ACTIVE" : "DISABLED");
1851
1852 /* Failure to configure MIB change or init DCB is not
1853 * relevant to ethtool. Print notification that
1854 * registration/init failed but do not return error
1855 * state to ethtool
1856 */
1857 status = ice_init_pf_dcb(pf, true);
1858 if (status)
1859 dev_dbg(dev, "Fail to init DCB\n");
1860
1861 /* Register for MIB change events */
1862 status = ice_cfg_lldp_mib_change(&pf->hw, true);
1863 if (status)
1864 dev_dbg(dev, "Fail to enable MIB change events\n");
1865
1866 pf->dcbx_cap &= ~DCB_CAP_DCBX_HOST;
1867 pf->dcbx_cap |= DCB_CAP_DCBX_LLD_MANAGED;
1868
1869 ice_nway_reset(netdev);
1870 }
1871 }
1872 if (test_bit(ICE_FLAG_LEGACY_RX, change_flags)) {
1873 /* down and up VSI so that changes of Rx cfg are reflected. */
1874 ice_down_up(vsi);
1875 }
1876 /* don't allow modification of this flag when a single VF is in
1877 * promiscuous mode because it's not supported
1878 */
1879 if (test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, change_flags) &&
1880 ice_is_any_vf_in_unicast_promisc(pf)) {
1881 dev_err(dev, "Changing vf-true-promisc-support flag while VF(s) are in promiscuous mode not supported\n");
1882 /* toggle bit back to previous state */
1883 change_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags);
1884 ret = -EAGAIN;
1885 }
1886
1887 if (test_bit(ICE_FLAG_VF_VLAN_PRUNING, change_flags) &&
1888 ice_has_vfs(pf)) {
1889 dev_err(dev, "vf-vlan-pruning: VLAN pruning cannot be changed while VFs are active.\n");
1890 /* toggle bit back to previous state */
1891 change_bit(ICE_FLAG_VF_VLAN_PRUNING, pf->flags);
1892 ret = -EOPNOTSUPP;
1893 }
1894 ethtool_exit:
1895 clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags);
1896 return ret;
1897 }
1898
ice_get_sset_count(struct net_device * netdev,int sset)1899 static int ice_get_sset_count(struct net_device *netdev, int sset)
1900 {
1901 switch (sset) {
1902 case ETH_SS_STATS:
1903 /* The number (and order) of strings reported *must* remain
1904 * constant for a given netdevice. This function must not
1905 * report a different number based on run time parameters
1906 * (such as the number of queues in use, or the setting of
1907 * a private ethtool flag). This is due to the nature of the
1908 * ethtool stats API.
1909 *
1910 * Userspace programs such as ethtool must make 3 separate
1911 * ioctl requests, one for size, one for the strings, and
1912 * finally one for the stats. Since these cross into
1913 * userspace, changes to the number or size could result in
1914 * undefined memory access or incorrect string<->value
1915 * correlations for statistics.
1916 *
1917 * Even if it appears to be safe, changes to the size or
1918 * order of strings will suffer from race conditions and are
1919 * not safe.
1920 */
1921 return ICE_ALL_STATS_LEN(netdev);
1922 case ETH_SS_TEST:
1923 return ICE_TEST_LEN;
1924 case ETH_SS_PRIV_FLAGS:
1925 return ICE_PRIV_FLAG_ARRAY_SIZE;
1926 default:
1927 return -EOPNOTSUPP;
1928 }
1929 }
1930
1931 static void
__ice_get_ethtool_stats(struct net_device * netdev,struct ethtool_stats __always_unused * stats,u64 * data,struct ice_vsi * vsi)1932 __ice_get_ethtool_stats(struct net_device *netdev,
1933 struct ethtool_stats __always_unused *stats, u64 *data,
1934 struct ice_vsi *vsi)
1935 {
1936 struct ice_pf *pf = vsi->back;
1937 struct ice_tx_ring *tx_ring;
1938 struct ice_rx_ring *rx_ring;
1939 unsigned int j;
1940 int i = 0;
1941 char *p;
1942
1943 ice_update_pf_stats(pf);
1944 ice_update_vsi_stats(vsi);
1945
1946 for (j = 0; j < ICE_VSI_STATS_LEN; j++) {
1947 p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset;
1948 data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat ==
1949 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1950 }
1951
1952 if (ice_is_port_repr_netdev(netdev))
1953 return;
1954
1955 /* populate per queue stats */
1956 rcu_read_lock();
1957
1958 ice_for_each_alloc_txq(vsi, j) {
1959 tx_ring = READ_ONCE(vsi->tx_rings[j]);
1960 if (tx_ring && tx_ring->ring_stats) {
1961 data[i++] = tx_ring->ring_stats->stats.pkts;
1962 data[i++] = tx_ring->ring_stats->stats.bytes;
1963 } else {
1964 data[i++] = 0;
1965 data[i++] = 0;
1966 }
1967 }
1968
1969 ice_for_each_alloc_rxq(vsi, j) {
1970 rx_ring = READ_ONCE(vsi->rx_rings[j]);
1971 if (rx_ring && rx_ring->ring_stats) {
1972 data[i++] = rx_ring->ring_stats->stats.pkts;
1973 data[i++] = rx_ring->ring_stats->stats.bytes;
1974 } else {
1975 data[i++] = 0;
1976 data[i++] = 0;
1977 }
1978 }
1979
1980 rcu_read_unlock();
1981
1982 if (vsi->type != ICE_VSI_PF)
1983 return;
1984
1985 for (j = 0; j < ICE_PF_STATS_LEN; j++) {
1986 p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset;
1987 data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat ==
1988 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1989 }
1990
1991 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) {
1992 data[i++] = pf->stats.priority_xon_tx[j];
1993 data[i++] = pf->stats.priority_xoff_tx[j];
1994 }
1995
1996 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) {
1997 data[i++] = pf->stats.priority_xon_rx[j];
1998 data[i++] = pf->stats.priority_xoff_rx[j];
1999 }
2000 }
2001
2002 static void
ice_get_ethtool_stats(struct net_device * netdev,struct ethtool_stats __always_unused * stats,u64 * data)2003 ice_get_ethtool_stats(struct net_device *netdev,
2004 struct ethtool_stats __always_unused *stats, u64 *data)
2005 {
2006 struct ice_netdev_priv *np = netdev_priv(netdev);
2007
2008 __ice_get_ethtool_stats(netdev, stats, data, np->vsi);
2009 }
2010
2011 #define ICE_PHY_TYPE_LOW_MASK_MIN_1G (ICE_PHY_TYPE_LOW_100BASE_TX | \
2012 ICE_PHY_TYPE_LOW_100M_SGMII)
2013
2014 #define ICE_PHY_TYPE_LOW_MASK_MIN_25G (ICE_PHY_TYPE_LOW_MASK_MIN_1G | \
2015 ICE_PHY_TYPE_LOW_1000BASE_T | \
2016 ICE_PHY_TYPE_LOW_1000BASE_SX | \
2017 ICE_PHY_TYPE_LOW_1000BASE_LX | \
2018 ICE_PHY_TYPE_LOW_1000BASE_KX | \
2019 ICE_PHY_TYPE_LOW_1G_SGMII | \
2020 ICE_PHY_TYPE_LOW_2500BASE_T | \
2021 ICE_PHY_TYPE_LOW_2500BASE_X | \
2022 ICE_PHY_TYPE_LOW_2500BASE_KX | \
2023 ICE_PHY_TYPE_LOW_5GBASE_T | \
2024 ICE_PHY_TYPE_LOW_5GBASE_KR | \
2025 ICE_PHY_TYPE_LOW_10GBASE_T | \
2026 ICE_PHY_TYPE_LOW_10G_SFI_DA | \
2027 ICE_PHY_TYPE_LOW_10GBASE_SR | \
2028 ICE_PHY_TYPE_LOW_10GBASE_LR | \
2029 ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 | \
2030 ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | \
2031 ICE_PHY_TYPE_LOW_10G_SFI_C2C)
2032
2033 #define ICE_PHY_TYPE_LOW_MASK_100G (ICE_PHY_TYPE_LOW_100GBASE_CR4 | \
2034 ICE_PHY_TYPE_LOW_100GBASE_SR4 | \
2035 ICE_PHY_TYPE_LOW_100GBASE_LR4 | \
2036 ICE_PHY_TYPE_LOW_100GBASE_KR4 | \
2037 ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | \
2038 ICE_PHY_TYPE_LOW_100G_CAUI4 | \
2039 ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | \
2040 ICE_PHY_TYPE_LOW_100G_AUI4 | \
2041 ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | \
2042 ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 | \
2043 ICE_PHY_TYPE_LOW_100GBASE_CP2 | \
2044 ICE_PHY_TYPE_LOW_100GBASE_SR2 | \
2045 ICE_PHY_TYPE_LOW_100GBASE_DR)
2046
2047 #define ICE_PHY_TYPE_HIGH_MASK_100G (ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4 | \
2048 ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |\
2049 ICE_PHY_TYPE_HIGH_100G_CAUI2 | \
2050 ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | \
2051 ICE_PHY_TYPE_HIGH_100G_AUI2)
2052
2053 #define ICE_PHY_TYPE_HIGH_MASK_200G (ICE_PHY_TYPE_HIGH_200G_CR4_PAM4 | \
2054 ICE_PHY_TYPE_HIGH_200G_SR4 | \
2055 ICE_PHY_TYPE_HIGH_200G_FR4 | \
2056 ICE_PHY_TYPE_HIGH_200G_LR4 | \
2057 ICE_PHY_TYPE_HIGH_200G_DR4 | \
2058 ICE_PHY_TYPE_HIGH_200G_KR4_PAM4 | \
2059 ICE_PHY_TYPE_HIGH_200G_AUI4_AOC_ACC | \
2060 ICE_PHY_TYPE_HIGH_200G_AUI4)
2061
2062 /**
2063 * ice_mask_min_supported_speeds
2064 * @hw: pointer to the HW structure
2065 * @phy_types_high: PHY type high
2066 * @phy_types_low: PHY type low to apply minimum supported speeds mask
2067 *
2068 * Apply minimum supported speeds mask to PHY type low. These are the speeds
2069 * for ethtool supported link mode.
2070 */
2071 static void
ice_mask_min_supported_speeds(struct ice_hw * hw,u64 phy_types_high,u64 * phy_types_low)2072 ice_mask_min_supported_speeds(struct ice_hw *hw,
2073 u64 phy_types_high, u64 *phy_types_low)
2074 {
2075 /* if QSFP connection with 100G speed, minimum supported speed is 25G */
2076 if ((*phy_types_low & ICE_PHY_TYPE_LOW_MASK_100G) ||
2077 (phy_types_high & ICE_PHY_TYPE_HIGH_MASK_100G) ||
2078 (phy_types_high & ICE_PHY_TYPE_HIGH_MASK_200G))
2079 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_25G;
2080 else if (!ice_is_100m_speed_supported(hw))
2081 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_1G;
2082 }
2083
2084 /**
2085 * ice_linkmode_set_bit - set link mode bit
2086 * @phy_to_ethtool: PHY type to ethtool link mode struct to set
2087 * @ks: ethtool link ksettings struct to fill out
2088 * @req_speeds: speed requested by user
2089 * @advert_phy_type: advertised PHY type
2090 * @phy_type: PHY type
2091 */
2092 static void
ice_linkmode_set_bit(const struct ice_phy_type_to_ethtool * phy_to_ethtool,struct ethtool_link_ksettings * ks,u32 req_speeds,u64 advert_phy_type,u32 phy_type)2093 ice_linkmode_set_bit(const struct ice_phy_type_to_ethtool *phy_to_ethtool,
2094 struct ethtool_link_ksettings *ks, u32 req_speeds,
2095 u64 advert_phy_type, u32 phy_type)
2096 {
2097 linkmode_set_bit(phy_to_ethtool->link_mode, ks->link_modes.supported);
2098
2099 if (req_speeds & phy_to_ethtool->aq_link_speed ||
2100 (!req_speeds && advert_phy_type & BIT(phy_type)))
2101 linkmode_set_bit(phy_to_ethtool->link_mode,
2102 ks->link_modes.advertising);
2103 }
2104
2105 /**
2106 * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes
2107 * @netdev: network interface device structure
2108 * @ks: ethtool link ksettings struct to fill out
2109 */
2110 static void
ice_phy_type_to_ethtool(struct net_device * netdev,struct ethtool_link_ksettings * ks)2111 ice_phy_type_to_ethtool(struct net_device *netdev,
2112 struct ethtool_link_ksettings *ks)
2113 {
2114 struct ice_netdev_priv *np = netdev_priv(netdev);
2115 struct ice_vsi *vsi = np->vsi;
2116 struct ice_pf *pf = vsi->back;
2117 u64 advert_phy_type_lo = 0;
2118 u64 advert_phy_type_hi = 0;
2119 u64 phy_types_high = 0;
2120 u64 phy_types_low = 0;
2121 u32 req_speeds;
2122 u32 i;
2123
2124 req_speeds = vsi->port_info->phy.link_info.req_speeds;
2125
2126 /* Check if lenient mode is supported and enabled, or in strict mode.
2127 *
2128 * In lenient mode the Supported link modes are the PHY types without
2129 * media. The Advertising link mode is either 1. the user requested
2130 * speed, 2. the override PHY mask, or 3. the PHY types with media.
2131 *
2132 * In strict mode Supported link mode are the PHY type with media,
2133 * and Advertising link modes are the media PHY type or the speed
2134 * requested by user.
2135 */
2136 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) {
2137 phy_types_low = le64_to_cpu(pf->nvm_phy_type_lo);
2138 phy_types_high = le64_to_cpu(pf->nvm_phy_type_hi);
2139
2140 ice_mask_min_supported_speeds(&pf->hw, phy_types_high,
2141 &phy_types_low);
2142 /* determine advertised modes based on link override only
2143 * if it's supported and if the FW doesn't abstract the
2144 * driver from having to account for link overrides
2145 */
2146 if (ice_fw_supports_link_override(&pf->hw) &&
2147 !ice_fw_supports_report_dflt_cfg(&pf->hw)) {
2148 struct ice_link_default_override_tlv *ldo;
2149
2150 ldo = &pf->link_dflt_override;
2151 /* If override enabled and PHY mask set, then
2152 * Advertising link mode is the intersection of the PHY
2153 * types without media and the override PHY mask.
2154 */
2155 if (ldo->options & ICE_LINK_OVERRIDE_EN &&
2156 (ldo->phy_type_low || ldo->phy_type_high)) {
2157 advert_phy_type_lo =
2158 le64_to_cpu(pf->nvm_phy_type_lo) &
2159 ldo->phy_type_low;
2160 advert_phy_type_hi =
2161 le64_to_cpu(pf->nvm_phy_type_hi) &
2162 ldo->phy_type_high;
2163 }
2164 }
2165 } else {
2166 /* strict mode */
2167 phy_types_low = vsi->port_info->phy.phy_type_low;
2168 phy_types_high = vsi->port_info->phy.phy_type_high;
2169 }
2170
2171 /* If Advertising link mode PHY type is not using override PHY type,
2172 * then use PHY type with media.
2173 */
2174 if (!advert_phy_type_lo && !advert_phy_type_hi) {
2175 advert_phy_type_lo = vsi->port_info->phy.phy_type_low;
2176 advert_phy_type_hi = vsi->port_info->phy.phy_type_high;
2177 }
2178
2179 linkmode_zero(ks->link_modes.supported);
2180 linkmode_zero(ks->link_modes.advertising);
2181
2182 for (i = 0; i < ARRAY_SIZE(phy_type_low_lkup); i++) {
2183 if (phy_types_low & BIT_ULL(i))
2184 ice_linkmode_set_bit(&phy_type_low_lkup[i], ks,
2185 req_speeds, advert_phy_type_lo,
2186 i);
2187 }
2188
2189 for (i = 0; i < ARRAY_SIZE(phy_type_high_lkup); i++) {
2190 if (phy_types_high & BIT_ULL(i))
2191 ice_linkmode_set_bit(&phy_type_high_lkup[i], ks,
2192 req_speeds, advert_phy_type_hi,
2193 i);
2194 }
2195 }
2196
2197 #define TEST_SET_BITS_TIMEOUT 50
2198 #define TEST_SET_BITS_SLEEP_MAX 2000
2199 #define TEST_SET_BITS_SLEEP_MIN 1000
2200
2201 /**
2202 * ice_get_settings_link_up - Get Link settings for when link is up
2203 * @ks: ethtool ksettings to fill in
2204 * @netdev: network interface device structure
2205 */
2206 static void
ice_get_settings_link_up(struct ethtool_link_ksettings * ks,struct net_device * netdev)2207 ice_get_settings_link_up(struct ethtool_link_ksettings *ks,
2208 struct net_device *netdev)
2209 {
2210 struct ice_netdev_priv *np = netdev_priv(netdev);
2211 struct ice_port_info *pi = np->vsi->port_info;
2212 struct ice_link_status *link_info;
2213 struct ice_vsi *vsi = np->vsi;
2214
2215 link_info = &vsi->port_info->phy.link_info;
2216
2217 /* Get supported and advertised settings from PHY ability with media */
2218 ice_phy_type_to_ethtool(netdev, ks);
2219
2220 switch (link_info->link_speed) {
2221 case ICE_AQ_LINK_SPEED_200GB:
2222 ks->base.speed = SPEED_200000;
2223 break;
2224 case ICE_AQ_LINK_SPEED_100GB:
2225 ks->base.speed = SPEED_100000;
2226 break;
2227 case ICE_AQ_LINK_SPEED_50GB:
2228 ks->base.speed = SPEED_50000;
2229 break;
2230 case ICE_AQ_LINK_SPEED_40GB:
2231 ks->base.speed = SPEED_40000;
2232 break;
2233 case ICE_AQ_LINK_SPEED_25GB:
2234 ks->base.speed = SPEED_25000;
2235 break;
2236 case ICE_AQ_LINK_SPEED_20GB:
2237 ks->base.speed = SPEED_20000;
2238 break;
2239 case ICE_AQ_LINK_SPEED_10GB:
2240 ks->base.speed = SPEED_10000;
2241 break;
2242 case ICE_AQ_LINK_SPEED_5GB:
2243 ks->base.speed = SPEED_5000;
2244 break;
2245 case ICE_AQ_LINK_SPEED_2500MB:
2246 ks->base.speed = SPEED_2500;
2247 break;
2248 case ICE_AQ_LINK_SPEED_1000MB:
2249 ks->base.speed = SPEED_1000;
2250 break;
2251 case ICE_AQ_LINK_SPEED_100MB:
2252 ks->base.speed = SPEED_100;
2253 break;
2254 default:
2255 netdev_info(netdev, "WARNING: Unrecognized link_speed (0x%x).\n",
2256 link_info->link_speed);
2257 break;
2258 }
2259 ks->base.duplex = DUPLEX_FULL;
2260
2261 if (link_info->an_info & ICE_AQ_AN_COMPLETED)
2262 ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
2263 Autoneg);
2264
2265 /* Set flow control negotiated Rx/Tx pause */
2266 switch (pi->fc.current_mode) {
2267 case ICE_FC_FULL:
2268 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause);
2269 break;
2270 case ICE_FC_TX_PAUSE:
2271 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause);
2272 ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
2273 Asym_Pause);
2274 break;
2275 case ICE_FC_RX_PAUSE:
2276 ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
2277 Asym_Pause);
2278 break;
2279 case ICE_FC_PFC:
2280 default:
2281 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause);
2282 ethtool_link_ksettings_del_link_mode(ks, lp_advertising,
2283 Asym_Pause);
2284 break;
2285 }
2286 }
2287
2288 /**
2289 * ice_get_settings_link_down - Get the Link settings when link is down
2290 * @ks: ethtool ksettings to fill in
2291 * @netdev: network interface device structure
2292 *
2293 * Reports link settings that can be determined when link is down
2294 */
2295 static void
ice_get_settings_link_down(struct ethtool_link_ksettings * ks,struct net_device * netdev)2296 ice_get_settings_link_down(struct ethtool_link_ksettings *ks,
2297 struct net_device *netdev)
2298 {
2299 /* link is down and the driver needs to fall back on
2300 * supported PHY types to figure out what info to display
2301 */
2302 ice_phy_type_to_ethtool(netdev, ks);
2303
2304 /* With no link, speed and duplex are unknown */
2305 ks->base.speed = SPEED_UNKNOWN;
2306 ks->base.duplex = DUPLEX_UNKNOWN;
2307 }
2308
2309 /**
2310 * ice_get_link_ksettings - Get Link Speed and Duplex settings
2311 * @netdev: network interface device structure
2312 * @ks: ethtool ksettings
2313 *
2314 * Reports speed/duplex settings based on media_type
2315 */
2316 static int
ice_get_link_ksettings(struct net_device * netdev,struct ethtool_link_ksettings * ks)2317 ice_get_link_ksettings(struct net_device *netdev,
2318 struct ethtool_link_ksettings *ks)
2319 {
2320 struct ice_netdev_priv *np = netdev_priv(netdev);
2321 struct ice_aqc_get_phy_caps_data *caps;
2322 struct ice_link_status *hw_link_info;
2323 struct ice_vsi *vsi = np->vsi;
2324 int err;
2325
2326 ethtool_link_ksettings_zero_link_mode(ks, supported);
2327 ethtool_link_ksettings_zero_link_mode(ks, advertising);
2328 ethtool_link_ksettings_zero_link_mode(ks, lp_advertising);
2329 hw_link_info = &vsi->port_info->phy.link_info;
2330
2331 /* set speed and duplex */
2332 if (hw_link_info->link_info & ICE_AQ_LINK_UP)
2333 ice_get_settings_link_up(ks, netdev);
2334 else
2335 ice_get_settings_link_down(ks, netdev);
2336
2337 /* set autoneg settings */
2338 ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ?
2339 AUTONEG_ENABLE : AUTONEG_DISABLE;
2340
2341 /* set media type settings */
2342 switch (vsi->port_info->phy.media_type) {
2343 case ICE_MEDIA_FIBER:
2344 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE);
2345 ks->base.port = PORT_FIBRE;
2346 break;
2347 case ICE_MEDIA_BASET:
2348 ethtool_link_ksettings_add_link_mode(ks, supported, TP);
2349 ethtool_link_ksettings_add_link_mode(ks, advertising, TP);
2350 ks->base.port = PORT_TP;
2351 break;
2352 case ICE_MEDIA_BACKPLANE:
2353 ethtool_link_ksettings_add_link_mode(ks, supported, Backplane);
2354 ethtool_link_ksettings_add_link_mode(ks, advertising,
2355 Backplane);
2356 ks->base.port = PORT_NONE;
2357 break;
2358 case ICE_MEDIA_DA:
2359 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE);
2360 ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE);
2361 ks->base.port = PORT_DA;
2362 break;
2363 default:
2364 ks->base.port = PORT_OTHER;
2365 break;
2366 }
2367
2368 /* flow control is symmetric and always supported */
2369 ethtool_link_ksettings_add_link_mode(ks, supported, Pause);
2370
2371 caps = kzalloc(sizeof(*caps), GFP_KERNEL);
2372 if (!caps)
2373 return -ENOMEM;
2374
2375 err = ice_aq_get_phy_caps(vsi->port_info, false,
2376 ICE_AQC_REPORT_ACTIVE_CFG, caps, NULL);
2377 if (err)
2378 goto done;
2379
2380 /* Set the advertised flow control based on the PHY capability */
2381 if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) &&
2382 (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) {
2383 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause);
2384 ethtool_link_ksettings_add_link_mode(ks, advertising,
2385 Asym_Pause);
2386 } else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) {
2387 ethtool_link_ksettings_add_link_mode(ks, advertising,
2388 Asym_Pause);
2389 } else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) {
2390 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause);
2391 ethtool_link_ksettings_add_link_mode(ks, advertising,
2392 Asym_Pause);
2393 } else {
2394 ethtool_link_ksettings_del_link_mode(ks, advertising, Pause);
2395 ethtool_link_ksettings_del_link_mode(ks, advertising,
2396 Asym_Pause);
2397 }
2398
2399 /* Set advertised FEC modes based on PHY capability */
2400 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE);
2401
2402 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ ||
2403 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ)
2404 ethtool_link_ksettings_add_link_mode(ks, advertising,
2405 FEC_BASER);
2406 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ ||
2407 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ)
2408 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS);
2409
2410 err = ice_aq_get_phy_caps(vsi->port_info, false,
2411 ICE_AQC_REPORT_TOPO_CAP_MEDIA, caps, NULL);
2412 if (err)
2413 goto done;
2414
2415 /* Set supported FEC modes based on PHY capability */
2416 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE);
2417
2418 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN ||
2419 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN)
2420 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER);
2421 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN)
2422 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS);
2423
2424 /* Set supported and advertised autoneg */
2425 if (ice_is_phy_caps_an_enabled(caps)) {
2426 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
2427 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
2428 }
2429
2430 done:
2431 kfree(caps);
2432 return err;
2433 }
2434
2435 /**
2436 * ice_speed_to_aq_link - Get AQ link speed by Ethtool forced speed
2437 * @speed: ethtool forced speed
2438 */
ice_speed_to_aq_link(int speed)2439 static u16 ice_speed_to_aq_link(int speed)
2440 {
2441 int aq_speed;
2442
2443 switch (speed) {
2444 case SPEED_10:
2445 aq_speed = ICE_AQ_LINK_SPEED_10MB;
2446 break;
2447 case SPEED_100:
2448 aq_speed = ICE_AQ_LINK_SPEED_100MB;
2449 break;
2450 case SPEED_1000:
2451 aq_speed = ICE_AQ_LINK_SPEED_1000MB;
2452 break;
2453 case SPEED_2500:
2454 aq_speed = ICE_AQ_LINK_SPEED_2500MB;
2455 break;
2456 case SPEED_5000:
2457 aq_speed = ICE_AQ_LINK_SPEED_5GB;
2458 break;
2459 case SPEED_10000:
2460 aq_speed = ICE_AQ_LINK_SPEED_10GB;
2461 break;
2462 case SPEED_20000:
2463 aq_speed = ICE_AQ_LINK_SPEED_20GB;
2464 break;
2465 case SPEED_25000:
2466 aq_speed = ICE_AQ_LINK_SPEED_25GB;
2467 break;
2468 case SPEED_40000:
2469 aq_speed = ICE_AQ_LINK_SPEED_40GB;
2470 break;
2471 case SPEED_50000:
2472 aq_speed = ICE_AQ_LINK_SPEED_50GB;
2473 break;
2474 case SPEED_100000:
2475 aq_speed = ICE_AQ_LINK_SPEED_100GB;
2476 break;
2477 default:
2478 aq_speed = ICE_AQ_LINK_SPEED_UNKNOWN;
2479 break;
2480 }
2481 return aq_speed;
2482 }
2483
2484 /**
2485 * ice_ksettings_find_adv_link_speed - Find advertising link speed
2486 * @ks: ethtool ksettings
2487 */
2488 static u16
ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings * ks)2489 ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks)
2490 {
2491 const struct ethtool_forced_speed_map *map;
2492 u16 adv_link_speed = 0;
2493
2494 for (u32 i = 0; i < ARRAY_SIZE(ice_adv_lnk_speed_maps); i++) {
2495 map = ice_adv_lnk_speed_maps + i;
2496 if (linkmode_intersects(ks->link_modes.advertising, map->caps))
2497 adv_link_speed |= ice_speed_to_aq_link(map->speed);
2498 }
2499
2500 return adv_link_speed;
2501 }
2502
2503 /**
2504 * ice_setup_autoneg
2505 * @p: port info
2506 * @ks: ethtool_link_ksettings
2507 * @config: configuration that will be sent down to FW
2508 * @autoneg_enabled: autonegotiation is enabled or not
2509 * @autoneg_changed: will there a change in autonegotiation
2510 * @netdev: network interface device structure
2511 *
2512 * Setup PHY autonegotiation feature
2513 */
2514 static int
ice_setup_autoneg(struct ice_port_info * p,struct ethtool_link_ksettings * ks,struct ice_aqc_set_phy_cfg_data * config,u8 autoneg_enabled,u8 * autoneg_changed,struct net_device * netdev)2515 ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks,
2516 struct ice_aqc_set_phy_cfg_data *config,
2517 u8 autoneg_enabled, u8 *autoneg_changed,
2518 struct net_device *netdev)
2519 {
2520 int err = 0;
2521
2522 *autoneg_changed = 0;
2523
2524 /* Check autoneg */
2525 if (autoneg_enabled == AUTONEG_ENABLE) {
2526 /* If autoneg was not already enabled */
2527 if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) {
2528 /* If autoneg is not supported, return error */
2529 if (!ethtool_link_ksettings_test_link_mode(ks,
2530 supported,
2531 Autoneg)) {
2532 netdev_info(netdev, "Autoneg not supported on this phy.\n");
2533 err = -EINVAL;
2534 } else {
2535 /* Autoneg is allowed to change */
2536 config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2537 *autoneg_changed = 1;
2538 }
2539 }
2540 } else {
2541 /* If autoneg is currently enabled */
2542 if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) {
2543 /* If autoneg is supported 10GBASE_T is the only PHY
2544 * that can disable it, so otherwise return error
2545 */
2546 if (ethtool_link_ksettings_test_link_mode(ks,
2547 supported,
2548 Autoneg)) {
2549 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n");
2550 err = -EINVAL;
2551 } else {
2552 /* Autoneg is allowed to change */
2553 config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2554 *autoneg_changed = 1;
2555 }
2556 }
2557 }
2558
2559 return err;
2560 }
2561
2562 /**
2563 * ice_set_phy_type_from_speed - set phy_types based on speeds
2564 * and advertised modes
2565 * @ks: ethtool link ksettings struct
2566 * @phy_type_low: pointer to the lower part of phy_type
2567 * @phy_type_high: pointer to the higher part of phy_type
2568 * @adv_link_speed: targeted link speeds bitmap
2569 */
2570 static void
ice_set_phy_type_from_speed(const struct ethtool_link_ksettings * ks,u64 * phy_type_low,u64 * phy_type_high,u16 adv_link_speed)2571 ice_set_phy_type_from_speed(const struct ethtool_link_ksettings *ks,
2572 u64 *phy_type_low, u64 *phy_type_high,
2573 u16 adv_link_speed)
2574 {
2575 /* Handle 1000M speed in a special way because ice_update_phy_type
2576 * enables all link modes, but having mixed copper and optical
2577 * standards is not supported.
2578 */
2579 adv_link_speed &= ~ICE_AQ_LINK_SPEED_1000MB;
2580
2581 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2582 1000baseT_Full))
2583 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_T |
2584 ICE_PHY_TYPE_LOW_1G_SGMII;
2585
2586 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2587 1000baseKX_Full))
2588 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_KX;
2589
2590 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2591 1000baseX_Full))
2592 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_SX |
2593 ICE_PHY_TYPE_LOW_1000BASE_LX;
2594
2595 ice_update_phy_type(phy_type_low, phy_type_high, adv_link_speed);
2596 }
2597
2598 /**
2599 * ice_set_link_ksettings - Set Speed and Duplex
2600 * @netdev: network interface device structure
2601 * @ks: ethtool ksettings
2602 *
2603 * Set speed/duplex per media_types advertised/forced
2604 */
2605 static int
ice_set_link_ksettings(struct net_device * netdev,const struct ethtool_link_ksettings * ks)2606 ice_set_link_ksettings(struct net_device *netdev,
2607 const struct ethtool_link_ksettings *ks)
2608 {
2609 struct ice_netdev_priv *np = netdev_priv(netdev);
2610 u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT;
2611 struct ethtool_link_ksettings copy_ks = *ks;
2612 struct ethtool_link_ksettings safe_ks = {};
2613 struct ice_aqc_get_phy_caps_data *phy_caps;
2614 struct ice_aqc_set_phy_cfg_data config;
2615 u16 adv_link_speed, curr_link_speed;
2616 struct ice_pf *pf = np->vsi->back;
2617 struct ice_port_info *pi;
2618 u8 autoneg_changed = 0;
2619 u64 phy_type_high = 0;
2620 u64 phy_type_low = 0;
2621 bool linkup;
2622 int err;
2623
2624 pi = np->vsi->port_info;
2625
2626 if (!pi)
2627 return -EIO;
2628
2629 if (pi->phy.media_type != ICE_MEDIA_BASET &&
2630 pi->phy.media_type != ICE_MEDIA_FIBER &&
2631 pi->phy.media_type != ICE_MEDIA_BACKPLANE &&
2632 pi->phy.media_type != ICE_MEDIA_DA &&
2633 pi->phy.link_info.link_info & ICE_AQ_LINK_UP)
2634 return -EOPNOTSUPP;
2635
2636 phy_caps = kzalloc(sizeof(*phy_caps), GFP_KERNEL);
2637 if (!phy_caps)
2638 return -ENOMEM;
2639
2640 /* Get the PHY capabilities based on media */
2641 if (ice_fw_supports_report_dflt_cfg(pi->hw))
2642 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_DFLT_CFG,
2643 phy_caps, NULL);
2644 else
2645 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA,
2646 phy_caps, NULL);
2647 if (err)
2648 goto done;
2649
2650 /* save autoneg out of ksettings */
2651 autoneg = copy_ks.base.autoneg;
2652
2653 /* Get link modes supported by hardware.*/
2654 ice_phy_type_to_ethtool(netdev, &safe_ks);
2655
2656 /* and check against modes requested by user.
2657 * Return an error if unsupported mode was set.
2658 */
2659 if (!bitmap_subset(copy_ks.link_modes.advertising,
2660 safe_ks.link_modes.supported,
2661 __ETHTOOL_LINK_MODE_MASK_NBITS)) {
2662 if (!test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags))
2663 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");
2664 err = -EOPNOTSUPP;
2665 goto done;
2666 }
2667
2668 /* get our own copy of the bits to check against */
2669 memset(&safe_ks, 0, sizeof(safe_ks));
2670 safe_ks.base.cmd = copy_ks.base.cmd;
2671 safe_ks.base.link_mode_masks_nwords =
2672 copy_ks.base.link_mode_masks_nwords;
2673 ice_get_link_ksettings(netdev, &safe_ks);
2674
2675 /* set autoneg back to what it currently is */
2676 copy_ks.base.autoneg = safe_ks.base.autoneg;
2677 /* we don't compare the speed */
2678 copy_ks.base.speed = safe_ks.base.speed;
2679
2680 /* If copy_ks.base and safe_ks.base are not the same now, then they are
2681 * trying to set something that we do not support.
2682 */
2683 if (memcmp(©_ks.base, &safe_ks.base, sizeof(copy_ks.base))) {
2684 err = -EOPNOTSUPP;
2685 goto done;
2686 }
2687
2688 while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) {
2689 timeout--;
2690 if (!timeout) {
2691 err = -EBUSY;
2692 goto done;
2693 }
2694 usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX);
2695 }
2696
2697 /* Copy the current user PHY configuration. The current user PHY
2698 * configuration is initialized during probe from PHY capabilities
2699 * software mode, and updated on set PHY configuration.
2700 */
2701 config = pi->phy.curr_user_phy_cfg;
2702
2703 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2704
2705 /* Check autoneg */
2706 err = ice_setup_autoneg(pi, &safe_ks, &config, autoneg, &autoneg_changed,
2707 netdev);
2708
2709 if (err)
2710 goto done;
2711
2712 /* Call to get the current link speed */
2713 pi->phy.get_link_info = true;
2714 err = ice_get_link_status(pi, &linkup);
2715 if (err)
2716 goto done;
2717
2718 curr_link_speed = pi->phy.curr_user_speed_req;
2719 adv_link_speed = ice_ksettings_find_adv_link_speed(ks);
2720
2721 /* If speed didn't get set, set it to what it currently is.
2722 * This is needed because if advertise is 0 (as it is when autoneg
2723 * is disabled) then speed won't get set.
2724 */
2725 if (!adv_link_speed)
2726 adv_link_speed = curr_link_speed;
2727
2728 /* Convert the advertise link speeds to their corresponded PHY_TYPE */
2729 ice_set_phy_type_from_speed(ks, &phy_type_low, &phy_type_high,
2730 adv_link_speed);
2731
2732 if (!autoneg_changed && adv_link_speed == curr_link_speed) {
2733 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n");
2734 goto done;
2735 }
2736
2737 /* save the requested speeds */
2738 pi->phy.link_info.req_speeds = adv_link_speed;
2739
2740 /* set link and auto negotiation so changes take effect */
2741 config.caps |= ICE_AQ_PHY_ENA_LINK;
2742
2743 /* check if there is a PHY type for the requested advertised speed */
2744 if (!(phy_type_low || phy_type_high)) {
2745 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");
2746 err = -EOPNOTSUPP;
2747 goto done;
2748 }
2749
2750 /* intersect requested advertised speed PHY types with media PHY types
2751 * for set PHY configuration
2752 */
2753 config.phy_type_high = cpu_to_le64(phy_type_high) &
2754 phy_caps->phy_type_high;
2755 config.phy_type_low = cpu_to_le64(phy_type_low) &
2756 phy_caps->phy_type_low;
2757
2758 if (!(config.phy_type_high || config.phy_type_low)) {
2759 /* If there is no intersection and lenient mode is enabled, then
2760 * intersect the requested advertised speed with NVM media type
2761 * PHY types.
2762 */
2763 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) {
2764 config.phy_type_high = cpu_to_le64(phy_type_high) &
2765 pf->nvm_phy_type_hi;
2766 config.phy_type_low = cpu_to_le64(phy_type_low) &
2767 pf->nvm_phy_type_lo;
2768 } else {
2769 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");
2770 err = -EOPNOTSUPP;
2771 goto done;
2772 }
2773 }
2774
2775 /* If link is up put link down */
2776 if (pi->phy.link_info.link_info & ICE_AQ_LINK_UP) {
2777 /* Tell the OS link is going down, the link will go
2778 * back up when fw says it is ready asynchronously
2779 */
2780 ice_print_link_msg(np->vsi, false);
2781 netif_carrier_off(netdev);
2782 netif_tx_stop_all_queues(netdev);
2783 }
2784
2785 /* make the aq call */
2786 err = ice_aq_set_phy_cfg(&pf->hw, pi, &config, NULL);
2787 if (err) {
2788 netdev_info(netdev, "Set phy config failed,\n");
2789 goto done;
2790 }
2791
2792 /* Save speed request */
2793 pi->phy.curr_user_speed_req = adv_link_speed;
2794 done:
2795 kfree(phy_caps);
2796 clear_bit(ICE_CFG_BUSY, pf->state);
2797
2798 return err;
2799 }
2800
ice_parse_hdrs(const struct ethtool_rxfh_fields * nfc)2801 static u32 ice_parse_hdrs(const struct ethtool_rxfh_fields *nfc)
2802 {
2803 u32 hdrs = ICE_FLOW_SEG_HDR_NONE;
2804
2805 switch (nfc->flow_type) {
2806 case TCP_V4_FLOW:
2807 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4;
2808 break;
2809 case UDP_V4_FLOW:
2810 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4;
2811 break;
2812 case SCTP_V4_FLOW:
2813 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4;
2814 break;
2815 case GTPU_V4_FLOW:
2816 hdrs |= ICE_FLOW_SEG_HDR_GTPU_IP | ICE_FLOW_SEG_HDR_IPV4;
2817 break;
2818 case GTPC_V4_FLOW:
2819 hdrs |= ICE_FLOW_SEG_HDR_GTPC | ICE_FLOW_SEG_HDR_IPV4;
2820 break;
2821 case GTPC_TEID_V4_FLOW:
2822 hdrs |= ICE_FLOW_SEG_HDR_GTPC_TEID | ICE_FLOW_SEG_HDR_IPV4;
2823 break;
2824 case GTPU_EH_V4_FLOW:
2825 hdrs |= ICE_FLOW_SEG_HDR_GTPU_EH | ICE_FLOW_SEG_HDR_IPV4;
2826 break;
2827 case GTPU_UL_V4_FLOW:
2828 hdrs |= ICE_FLOW_SEG_HDR_GTPU_UP | ICE_FLOW_SEG_HDR_IPV4;
2829 break;
2830 case GTPU_DL_V4_FLOW:
2831 hdrs |= ICE_FLOW_SEG_HDR_GTPU_DWN | ICE_FLOW_SEG_HDR_IPV4;
2832 break;
2833 case TCP_V6_FLOW:
2834 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6;
2835 break;
2836 case UDP_V6_FLOW:
2837 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6;
2838 break;
2839 case SCTP_V6_FLOW:
2840 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6;
2841 break;
2842 case GTPU_V6_FLOW:
2843 hdrs |= ICE_FLOW_SEG_HDR_GTPU_IP | ICE_FLOW_SEG_HDR_IPV6;
2844 break;
2845 case GTPC_V6_FLOW:
2846 hdrs |= ICE_FLOW_SEG_HDR_GTPC | ICE_FLOW_SEG_HDR_IPV6;
2847 break;
2848 case GTPC_TEID_V6_FLOW:
2849 hdrs |= ICE_FLOW_SEG_HDR_GTPC_TEID | ICE_FLOW_SEG_HDR_IPV6;
2850 break;
2851 case GTPU_EH_V6_FLOW:
2852 hdrs |= ICE_FLOW_SEG_HDR_GTPU_EH | ICE_FLOW_SEG_HDR_IPV6;
2853 break;
2854 case GTPU_UL_V6_FLOW:
2855 hdrs |= ICE_FLOW_SEG_HDR_GTPU_UP | ICE_FLOW_SEG_HDR_IPV6;
2856 break;
2857 case GTPU_DL_V6_FLOW:
2858 hdrs |= ICE_FLOW_SEG_HDR_GTPU_DWN | ICE_FLOW_SEG_HDR_IPV6;
2859 break;
2860 default:
2861 break;
2862 }
2863 return hdrs;
2864 }
2865
ice_parse_hash_flds(const struct ethtool_rxfh_fields * nfc,bool symm)2866 static u64 ice_parse_hash_flds(const struct ethtool_rxfh_fields *nfc, bool symm)
2867 {
2868 u64 hfld = ICE_HASH_INVALID;
2869
2870 if (nfc->data & RXH_IP_SRC || nfc->data & RXH_IP_DST) {
2871 switch (nfc->flow_type) {
2872 case TCP_V4_FLOW:
2873 case UDP_V4_FLOW:
2874 case SCTP_V4_FLOW:
2875 case GTPU_V4_FLOW:
2876 case GTPC_V4_FLOW:
2877 case GTPC_TEID_V4_FLOW:
2878 case GTPU_EH_V4_FLOW:
2879 case GTPU_UL_V4_FLOW:
2880 case GTPU_DL_V4_FLOW:
2881 if (nfc->data & RXH_IP_SRC)
2882 hfld |= ICE_FLOW_HASH_FLD_IPV4_SA;
2883 if (nfc->data & RXH_IP_DST)
2884 hfld |= ICE_FLOW_HASH_FLD_IPV4_DA;
2885 break;
2886 case TCP_V6_FLOW:
2887 case UDP_V6_FLOW:
2888 case SCTP_V6_FLOW:
2889 case GTPU_V6_FLOW:
2890 case GTPC_V6_FLOW:
2891 case GTPC_TEID_V6_FLOW:
2892 case GTPU_EH_V6_FLOW:
2893 case GTPU_UL_V6_FLOW:
2894 case GTPU_DL_V6_FLOW:
2895 if (nfc->data & RXH_IP_SRC)
2896 hfld |= ICE_FLOW_HASH_FLD_IPV6_SA;
2897 if (nfc->data & RXH_IP_DST)
2898 hfld |= ICE_FLOW_HASH_FLD_IPV6_DA;
2899 break;
2900 default:
2901 break;
2902 }
2903 }
2904
2905 if (nfc->data & RXH_L4_B_0_1 || nfc->data & RXH_L4_B_2_3) {
2906 switch (nfc->flow_type) {
2907 case TCP_V4_FLOW:
2908 case TCP_V6_FLOW:
2909 if (nfc->data & RXH_L4_B_0_1)
2910 hfld |= ICE_FLOW_HASH_FLD_TCP_SRC_PORT;
2911 if (nfc->data & RXH_L4_B_2_3)
2912 hfld |= ICE_FLOW_HASH_FLD_TCP_DST_PORT;
2913 break;
2914 case UDP_V4_FLOW:
2915 case UDP_V6_FLOW:
2916 if (nfc->data & RXH_L4_B_0_1)
2917 hfld |= ICE_FLOW_HASH_FLD_UDP_SRC_PORT;
2918 if (nfc->data & RXH_L4_B_2_3)
2919 hfld |= ICE_FLOW_HASH_FLD_UDP_DST_PORT;
2920 break;
2921 case SCTP_V4_FLOW:
2922 case SCTP_V6_FLOW:
2923 if (nfc->data & RXH_L4_B_0_1)
2924 hfld |= ICE_FLOW_HASH_FLD_SCTP_SRC_PORT;
2925 if (nfc->data & RXH_L4_B_2_3)
2926 hfld |= ICE_FLOW_HASH_FLD_SCTP_DST_PORT;
2927 break;
2928 default:
2929 break;
2930 }
2931 }
2932
2933 if (nfc->data & RXH_GTP_TEID) {
2934 switch (nfc->flow_type) {
2935 case GTPC_TEID_V4_FLOW:
2936 case GTPC_TEID_V6_FLOW:
2937 hfld |= ICE_FLOW_HASH_FLD_GTPC_TEID;
2938 break;
2939 case GTPU_V4_FLOW:
2940 case GTPU_V6_FLOW:
2941 hfld |= ICE_FLOW_HASH_FLD_GTPU_IP_TEID;
2942 break;
2943 case GTPU_EH_V4_FLOW:
2944 case GTPU_EH_V6_FLOW:
2945 hfld |= ICE_FLOW_HASH_FLD_GTPU_EH_TEID;
2946 break;
2947 case GTPU_UL_V4_FLOW:
2948 case GTPU_UL_V6_FLOW:
2949 hfld |= ICE_FLOW_HASH_FLD_GTPU_UP_TEID;
2950 break;
2951 case GTPU_DL_V4_FLOW:
2952 case GTPU_DL_V6_FLOW:
2953 hfld |= ICE_FLOW_HASH_FLD_GTPU_DWN_TEID;
2954 break;
2955 default:
2956 break;
2957 }
2958 }
2959
2960 return hfld;
2961 }
2962
2963 static int
ice_set_rxfh_fields(struct net_device * netdev,const struct ethtool_rxfh_fields * nfc,struct netlink_ext_ack * extack)2964 ice_set_rxfh_fields(struct net_device *netdev,
2965 const struct ethtool_rxfh_fields *nfc,
2966 struct netlink_ext_ack *extack)
2967 {
2968 struct ice_netdev_priv *np = netdev_priv(netdev);
2969 struct ice_vsi *vsi = np->vsi;
2970 struct ice_pf *pf = vsi->back;
2971 struct ice_rss_hash_cfg cfg;
2972 struct device *dev;
2973 u64 hashed_flds;
2974 int status;
2975 bool symm;
2976 u32 hdrs;
2977
2978 dev = ice_pf_to_dev(pf);
2979 if (ice_is_safe_mode(pf)) {
2980 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n",
2981 vsi->vsi_num);
2982 return -EINVAL;
2983 }
2984
2985 symm = !!(vsi->rss_hfunc == ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ);
2986 hashed_flds = ice_parse_hash_flds(nfc, symm);
2987 if (hashed_flds == ICE_HASH_INVALID) {
2988 dev_dbg(dev, "Invalid hash fields, vsi num = %d\n",
2989 vsi->vsi_num);
2990 return -EINVAL;
2991 }
2992
2993 hdrs = ice_parse_hdrs(nfc);
2994 if (hdrs == ICE_FLOW_SEG_HDR_NONE) {
2995 dev_dbg(dev, "Header type is not valid, vsi num = %d\n",
2996 vsi->vsi_num);
2997 return -EINVAL;
2998 }
2999
3000 cfg.hash_flds = hashed_flds;
3001 cfg.addl_hdrs = hdrs;
3002 cfg.hdr_type = ICE_RSS_ANY_HEADERS;
3003 cfg.symm = symm;
3004
3005 status = ice_add_rss_cfg(&pf->hw, vsi, &cfg);
3006 if (status) {
3007 dev_dbg(dev, "ice_add_rss_cfg failed, vsi num = %d, error = %d\n",
3008 vsi->vsi_num, status);
3009 return status;
3010 }
3011
3012 return 0;
3013 }
3014
3015 static int
ice_get_rxfh_fields(struct net_device * netdev,struct ethtool_rxfh_fields * nfc)3016 ice_get_rxfh_fields(struct net_device *netdev, struct ethtool_rxfh_fields *nfc)
3017 {
3018 struct ice_netdev_priv *np = netdev_priv(netdev);
3019 struct ice_vsi *vsi = np->vsi;
3020 struct ice_pf *pf = vsi->back;
3021 struct device *dev;
3022 u64 hash_flds;
3023 bool symm;
3024 u32 hdrs;
3025
3026 dev = ice_pf_to_dev(pf);
3027
3028 nfc->data = 0;
3029 if (ice_is_safe_mode(pf)) {
3030 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n",
3031 vsi->vsi_num);
3032 return 0;
3033 }
3034
3035 hdrs = ice_parse_hdrs(nfc);
3036 if (hdrs == ICE_FLOW_SEG_HDR_NONE) {
3037 dev_dbg(dev, "Header type is not valid, vsi num = %d\n",
3038 vsi->vsi_num);
3039 return 0;
3040 }
3041
3042 hash_flds = ice_get_rss_cfg(&pf->hw, vsi->idx, hdrs, &symm);
3043 if (hash_flds == ICE_HASH_INVALID) {
3044 dev_dbg(dev, "No hash fields found for the given header type, vsi num = %d\n",
3045 vsi->vsi_num);
3046 return 0;
3047 }
3048
3049 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_SA ||
3050 hash_flds & ICE_FLOW_HASH_FLD_IPV6_SA)
3051 nfc->data |= (u64)RXH_IP_SRC;
3052
3053 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_DA ||
3054 hash_flds & ICE_FLOW_HASH_FLD_IPV6_DA)
3055 nfc->data |= (u64)RXH_IP_DST;
3056
3057 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_SRC_PORT ||
3058 hash_flds & ICE_FLOW_HASH_FLD_UDP_SRC_PORT ||
3059 hash_flds & ICE_FLOW_HASH_FLD_SCTP_SRC_PORT)
3060 nfc->data |= (u64)RXH_L4_B_0_1;
3061
3062 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_DST_PORT ||
3063 hash_flds & ICE_FLOW_HASH_FLD_UDP_DST_PORT ||
3064 hash_flds & ICE_FLOW_HASH_FLD_SCTP_DST_PORT)
3065 nfc->data |= (u64)RXH_L4_B_2_3;
3066
3067 if (hash_flds & ICE_FLOW_HASH_FLD_GTPC_TEID ||
3068 hash_flds & ICE_FLOW_HASH_FLD_GTPU_IP_TEID ||
3069 hash_flds & ICE_FLOW_HASH_FLD_GTPU_EH_TEID ||
3070 hash_flds & ICE_FLOW_HASH_FLD_GTPU_UP_TEID ||
3071 hash_flds & ICE_FLOW_HASH_FLD_GTPU_DWN_TEID)
3072 nfc->data |= (u64)RXH_GTP_TEID;
3073
3074 return 0;
3075 }
3076
3077 /**
3078 * ice_set_rxnfc - command to set Rx flow rules.
3079 * @netdev: network interface device structure
3080 * @cmd: ethtool rxnfc command
3081 *
3082 * Returns 0 for success and negative values for errors
3083 */
ice_set_rxnfc(struct net_device * netdev,struct ethtool_rxnfc * cmd)3084 static int ice_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
3085 {
3086 struct ice_netdev_priv *np = netdev_priv(netdev);
3087 struct ice_vsi *vsi = np->vsi;
3088
3089 switch (cmd->cmd) {
3090 case ETHTOOL_SRXCLSRLINS:
3091 return ice_add_fdir_ethtool(vsi, cmd);
3092 case ETHTOOL_SRXCLSRLDEL:
3093 return ice_del_fdir_ethtool(vsi, cmd);
3094 default:
3095 break;
3096 }
3097 return -EOPNOTSUPP;
3098 }
3099
3100 /**
3101 * ice_get_rxnfc - command to get Rx flow classification rules
3102 * @netdev: network interface device structure
3103 * @cmd: ethtool rxnfc command
3104 * @rule_locs: buffer to rturn Rx flow classification rules
3105 *
3106 * Returns Success if the command is supported.
3107 */
3108 static int
ice_get_rxnfc(struct net_device * netdev,struct ethtool_rxnfc * cmd,u32 __always_unused * rule_locs)3109 ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
3110 u32 __always_unused *rule_locs)
3111 {
3112 struct ice_netdev_priv *np = netdev_priv(netdev);
3113 struct ice_vsi *vsi = np->vsi;
3114 int ret = -EOPNOTSUPP;
3115 struct ice_hw *hw;
3116
3117 hw = &vsi->back->hw;
3118
3119 switch (cmd->cmd) {
3120 case ETHTOOL_GRXRINGS:
3121 cmd->data = vsi->rss_size;
3122 ret = 0;
3123 break;
3124 case ETHTOOL_GRXCLSRLCNT:
3125 cmd->rule_cnt = hw->fdir_active_fltr;
3126 /* report total rule count */
3127 cmd->data = ice_get_fdir_cnt_all(hw);
3128 ret = 0;
3129 break;
3130 case ETHTOOL_GRXCLSRULE:
3131 ret = ice_get_ethtool_fdir_entry(hw, cmd);
3132 break;
3133 case ETHTOOL_GRXCLSRLALL:
3134 ret = ice_get_fdir_fltr_ids(hw, cmd, (u32 *)rule_locs);
3135 break;
3136 default:
3137 break;
3138 }
3139
3140 return ret;
3141 }
3142
3143 static void
ice_get_ringparam(struct net_device * netdev,struct ethtool_ringparam * ring,struct kernel_ethtool_ringparam * kernel_ring,struct netlink_ext_ack * extack)3144 ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring,
3145 struct kernel_ethtool_ringparam *kernel_ring,
3146 struct netlink_ext_ack *extack)
3147 {
3148 struct ice_netdev_priv *np = netdev_priv(netdev);
3149 struct ice_vsi *vsi = np->vsi;
3150
3151 ring->rx_max_pending = ICE_MAX_NUM_DESC;
3152 ring->tx_max_pending = ICE_MAX_NUM_DESC;
3153 if (vsi->tx_rings && vsi->rx_rings) {
3154 ring->rx_pending = vsi->rx_rings[0]->count;
3155 ring->tx_pending = vsi->tx_rings[0]->count;
3156 } else {
3157 ring->rx_pending = 0;
3158 ring->tx_pending = 0;
3159 }
3160
3161 /* Rx mini and jumbo rings are not supported */
3162 ring->rx_mini_max_pending = 0;
3163 ring->rx_jumbo_max_pending = 0;
3164 ring->rx_mini_pending = 0;
3165 ring->rx_jumbo_pending = 0;
3166 }
3167
3168 static int
ice_set_ringparam(struct net_device * netdev,struct ethtool_ringparam * ring,struct kernel_ethtool_ringparam * kernel_ring,struct netlink_ext_ack * extack)3169 ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring,
3170 struct kernel_ethtool_ringparam *kernel_ring,
3171 struct netlink_ext_ack *extack)
3172 {
3173 struct ice_netdev_priv *np = netdev_priv(netdev);
3174 struct ice_tx_ring *xdp_rings = NULL;
3175 struct ice_tx_ring *tx_rings = NULL;
3176 struct ice_rx_ring *rx_rings = NULL;
3177 struct ice_vsi *vsi = np->vsi;
3178 struct ice_pf *pf = vsi->back;
3179 int i, timeout = 50, err = 0;
3180 u16 new_rx_cnt, new_tx_cnt;
3181
3182 if (ring->tx_pending > ICE_MAX_NUM_DESC ||
3183 ring->tx_pending < ICE_MIN_NUM_DESC ||
3184 ring->rx_pending > ICE_MAX_NUM_DESC ||
3185 ring->rx_pending < ICE_MIN_NUM_DESC) {
3186 netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n",
3187 ring->tx_pending, ring->rx_pending,
3188 ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC,
3189 ICE_REQ_DESC_MULTIPLE);
3190 return -EINVAL;
3191 }
3192
3193 /* Return if there is no rings (device is reloading) */
3194 if (!vsi->tx_rings || !vsi->rx_rings)
3195 return -EBUSY;
3196
3197 new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE);
3198 if (new_tx_cnt != ring->tx_pending)
3199 netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n",
3200 new_tx_cnt);
3201 new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE);
3202 if (new_rx_cnt != ring->rx_pending)
3203 netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n",
3204 new_rx_cnt);
3205
3206 /* if nothing to do return success */
3207 if (new_tx_cnt == vsi->tx_rings[0]->count &&
3208 new_rx_cnt == vsi->rx_rings[0]->count) {
3209 netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n");
3210 return 0;
3211 }
3212
3213 /* If there is a AF_XDP UMEM attached to any of Rx rings,
3214 * disallow changing the number of descriptors -- regardless
3215 * if the netdev is running or not.
3216 */
3217 if (ice_xsk_any_rx_ring_ena(vsi))
3218 return -EBUSY;
3219
3220 while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) {
3221 timeout--;
3222 if (!timeout)
3223 return -EBUSY;
3224 usleep_range(1000, 2000);
3225 }
3226
3227 /* set for the next time the netdev is started */
3228 if (!netif_running(vsi->netdev)) {
3229 ice_for_each_alloc_txq(vsi, i)
3230 vsi->tx_rings[i]->count = new_tx_cnt;
3231 ice_for_each_alloc_rxq(vsi, i)
3232 vsi->rx_rings[i]->count = new_rx_cnt;
3233 if (ice_is_xdp_ena_vsi(vsi))
3234 ice_for_each_xdp_txq(vsi, i)
3235 vsi->xdp_rings[i]->count = new_tx_cnt;
3236 vsi->num_tx_desc = (u16)new_tx_cnt;
3237 vsi->num_rx_desc = (u16)new_rx_cnt;
3238 netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n");
3239 goto done;
3240 }
3241
3242 if (new_tx_cnt == vsi->tx_rings[0]->count)
3243 goto process_rx;
3244
3245 /* alloc updated Tx resources */
3246 netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n",
3247 vsi->tx_rings[0]->count, new_tx_cnt);
3248
3249 tx_rings = kcalloc(vsi->num_txq, sizeof(*tx_rings), GFP_KERNEL);
3250 if (!tx_rings) {
3251 err = -ENOMEM;
3252 goto done;
3253 }
3254
3255 ice_for_each_txq(vsi, i) {
3256 /* clone ring and setup updated count */
3257 tx_rings[i] = *vsi->tx_rings[i];
3258 tx_rings[i].count = new_tx_cnt;
3259 tx_rings[i].desc = NULL;
3260 tx_rings[i].tx_buf = NULL;
3261 tx_rings[i].tx_tstamps = &pf->ptp.port.tx;
3262 err = ice_setup_tx_ring(&tx_rings[i]);
3263 if (err) {
3264 while (i--)
3265 ice_clean_tx_ring(&tx_rings[i]);
3266 kfree(tx_rings);
3267 goto done;
3268 }
3269 }
3270
3271 if (!ice_is_xdp_ena_vsi(vsi))
3272 goto process_rx;
3273
3274 /* alloc updated XDP resources */
3275 netdev_info(netdev, "Changing XDP descriptor count from %d to %d\n",
3276 vsi->xdp_rings[0]->count, new_tx_cnt);
3277
3278 xdp_rings = kcalloc(vsi->num_xdp_txq, sizeof(*xdp_rings), GFP_KERNEL);
3279 if (!xdp_rings) {
3280 err = -ENOMEM;
3281 goto free_tx;
3282 }
3283
3284 ice_for_each_xdp_txq(vsi, i) {
3285 /* clone ring and setup updated count */
3286 xdp_rings[i] = *vsi->xdp_rings[i];
3287 xdp_rings[i].count = new_tx_cnt;
3288 xdp_rings[i].desc = NULL;
3289 xdp_rings[i].tx_buf = NULL;
3290 err = ice_setup_tx_ring(&xdp_rings[i]);
3291 if (err) {
3292 while (i--)
3293 ice_clean_tx_ring(&xdp_rings[i]);
3294 kfree(xdp_rings);
3295 goto free_tx;
3296 }
3297 ice_set_ring_xdp(&xdp_rings[i]);
3298 }
3299
3300 process_rx:
3301 if (new_rx_cnt == vsi->rx_rings[0]->count)
3302 goto process_link;
3303
3304 /* alloc updated Rx resources */
3305 netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n",
3306 vsi->rx_rings[0]->count, new_rx_cnt);
3307
3308 rx_rings = kcalloc(vsi->num_rxq, sizeof(*rx_rings), GFP_KERNEL);
3309 if (!rx_rings) {
3310 err = -ENOMEM;
3311 goto done;
3312 }
3313
3314 ice_for_each_rxq(vsi, i) {
3315 /* clone ring and setup updated count */
3316 rx_rings[i] = *vsi->rx_rings[i];
3317 rx_rings[i].count = new_rx_cnt;
3318 rx_rings[i].cached_phctime = pf->ptp.cached_phc_time;
3319 rx_rings[i].desc = NULL;
3320 rx_rings[i].rx_buf = NULL;
3321 /* this is to allow wr32 to have something to write to
3322 * during early allocation of Rx buffers
3323 */
3324 rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS;
3325
3326 err = ice_setup_rx_ring(&rx_rings[i]);
3327 if (err)
3328 goto rx_unwind;
3329
3330 /* allocate Rx buffers */
3331 err = ice_alloc_rx_bufs(&rx_rings[i],
3332 ICE_RX_DESC_UNUSED(&rx_rings[i]));
3333 rx_unwind:
3334 if (err) {
3335 while (i) {
3336 i--;
3337 ice_free_rx_ring(&rx_rings[i]);
3338 }
3339 kfree(rx_rings);
3340 err = -ENOMEM;
3341 goto free_tx;
3342 }
3343 }
3344
3345 process_link:
3346 /* Bring interface down, copy in the new ring info, then restore the
3347 * interface. if VSI is up, bring it down and then back up
3348 */
3349 if (!test_and_set_bit(ICE_VSI_DOWN, vsi->state)) {
3350 ice_down(vsi);
3351
3352 if (tx_rings) {
3353 ice_for_each_txq(vsi, i) {
3354 ice_free_tx_ring(vsi->tx_rings[i]);
3355 *vsi->tx_rings[i] = tx_rings[i];
3356 }
3357 kfree(tx_rings);
3358 }
3359
3360 if (rx_rings) {
3361 ice_for_each_rxq(vsi, i) {
3362 ice_free_rx_ring(vsi->rx_rings[i]);
3363 /* copy the real tail offset */
3364 rx_rings[i].tail = vsi->rx_rings[i]->tail;
3365 /* this is to fake out the allocation routine
3366 * into thinking it has to realloc everything
3367 * but the recycling logic will let us re-use
3368 * the buffers allocated above
3369 */
3370 rx_rings[i].next_to_use = 0;
3371 rx_rings[i].next_to_clean = 0;
3372 rx_rings[i].next_to_alloc = 0;
3373 *vsi->rx_rings[i] = rx_rings[i];
3374 }
3375 kfree(rx_rings);
3376 }
3377
3378 if (xdp_rings) {
3379 ice_for_each_xdp_txq(vsi, i) {
3380 ice_free_tx_ring(vsi->xdp_rings[i]);
3381 *vsi->xdp_rings[i] = xdp_rings[i];
3382 }
3383 kfree(xdp_rings);
3384 }
3385
3386 vsi->num_tx_desc = new_tx_cnt;
3387 vsi->num_rx_desc = new_rx_cnt;
3388 ice_up(vsi);
3389 }
3390 goto done;
3391
3392 free_tx:
3393 /* error cleanup if the Rx allocations failed after getting Tx */
3394 if (tx_rings) {
3395 ice_for_each_txq(vsi, i)
3396 ice_free_tx_ring(&tx_rings[i]);
3397 kfree(tx_rings);
3398 }
3399
3400 done:
3401 clear_bit(ICE_CFG_BUSY, pf->state);
3402 return err;
3403 }
3404
3405 /**
3406 * ice_get_pauseparam - Get Flow Control status
3407 * @netdev: network interface device structure
3408 * @pause: ethernet pause (flow control) parameters
3409 *
3410 * Get requested flow control status from PHY capability.
3411 * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which
3412 * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report
3413 * the negotiated Rx/Tx pause via lp_advertising.
3414 */
3415 static void
ice_get_pauseparam(struct net_device * netdev,struct ethtool_pauseparam * pause)3416 ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
3417 {
3418 struct ice_netdev_priv *np = netdev_priv(netdev);
3419 struct ice_port_info *pi = np->vsi->port_info;
3420 struct ice_aqc_get_phy_caps_data *pcaps;
3421 struct ice_dcbx_cfg *dcbx_cfg;
3422 int status;
3423
3424 /* Initialize pause params */
3425 pause->rx_pause = 0;
3426 pause->tx_pause = 0;
3427
3428 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg;
3429
3430 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);
3431 if (!pcaps)
3432 return;
3433
3434 /* Get current PHY config */
3435 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps,
3436 NULL);
3437 if (status)
3438 goto out;
3439
3440 pause->autoneg = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE :
3441 AUTONEG_DISABLE;
3442
3443 if (dcbx_cfg->pfc.pfcena)
3444 /* PFC enabled so report LFC as off */
3445 goto out;
3446
3447 if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE)
3448 pause->tx_pause = 1;
3449 if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)
3450 pause->rx_pause = 1;
3451
3452 out:
3453 kfree(pcaps);
3454 }
3455
3456 /**
3457 * ice_set_pauseparam - Set Flow Control parameter
3458 * @netdev: network interface device structure
3459 * @pause: return Tx/Rx flow control status
3460 */
3461 static int
ice_set_pauseparam(struct net_device * netdev,struct ethtool_pauseparam * pause)3462 ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
3463 {
3464 struct ice_netdev_priv *np = netdev_priv(netdev);
3465 struct ice_aqc_get_phy_caps_data *pcaps;
3466 struct ice_link_status *hw_link_info;
3467 struct ice_pf *pf = np->vsi->back;
3468 struct ice_dcbx_cfg *dcbx_cfg;
3469 struct ice_vsi *vsi = np->vsi;
3470 struct ice_hw *hw = &pf->hw;
3471 struct ice_port_info *pi;
3472 u8 aq_failures;
3473 bool link_up;
3474 u32 is_an;
3475 int err;
3476
3477 pi = vsi->port_info;
3478 hw_link_info = &pi->phy.link_info;
3479 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg;
3480 link_up = hw_link_info->link_info & ICE_AQ_LINK_UP;
3481
3482 /* Changing the port's flow control is not supported if this isn't the
3483 * PF VSI
3484 */
3485 if (vsi->type != ICE_VSI_PF) {
3486 netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n");
3487 return -EOPNOTSUPP;
3488 }
3489
3490 /* Get pause param reports configured and negotiated flow control pause
3491 * when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is
3492 * defined get pause param pause->autoneg reports SW configured setting,
3493 * so compare pause->autoneg with SW configured to prevent the user from
3494 * using set pause param to chance autoneg.
3495 */
3496 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);
3497 if (!pcaps)
3498 return -ENOMEM;
3499
3500 /* Get current PHY config */
3501 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps,
3502 NULL);
3503 if (err) {
3504 kfree(pcaps);
3505 return err;
3506 }
3507
3508 is_an = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE :
3509 AUTONEG_DISABLE;
3510
3511 kfree(pcaps);
3512
3513 if (pause->autoneg != is_an) {
3514 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");
3515 return -EOPNOTSUPP;
3516 }
3517
3518 /* If we have link and don't have autoneg */
3519 if (!test_bit(ICE_DOWN, pf->state) &&
3520 !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) {
3521 /* Send message that it might not necessarily work*/
3522 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n");
3523 }
3524
3525 if (dcbx_cfg->pfc.pfcena) {
3526 netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n");
3527 return -EOPNOTSUPP;
3528 }
3529 if (pause->rx_pause && pause->tx_pause)
3530 pi->fc.req_mode = ICE_FC_FULL;
3531 else if (pause->rx_pause && !pause->tx_pause)
3532 pi->fc.req_mode = ICE_FC_RX_PAUSE;
3533 else if (!pause->rx_pause && pause->tx_pause)
3534 pi->fc.req_mode = ICE_FC_TX_PAUSE;
3535 else if (!pause->rx_pause && !pause->tx_pause)
3536 pi->fc.req_mode = ICE_FC_NONE;
3537 else
3538 return -EINVAL;
3539
3540 /* Set the FC mode and only restart AN if link is up */
3541 err = ice_set_fc(pi, &aq_failures, link_up);
3542
3543 if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) {
3544 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %d aq_err %s\n",
3545 err, libie_aq_str(hw->adminq.sq_last_status));
3546 err = -EAGAIN;
3547 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) {
3548 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %d aq_err %s\n",
3549 err, libie_aq_str(hw->adminq.sq_last_status));
3550 err = -EAGAIN;
3551 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) {
3552 netdev_info(netdev, "Set fc failed on the get_link_info call with err %d aq_err %s\n",
3553 err, libie_aq_str(hw->adminq.sq_last_status));
3554 err = -EAGAIN;
3555 }
3556
3557 return err;
3558 }
3559
3560 /**
3561 * ice_get_rxfh_key_size - get the RSS hash key size
3562 * @netdev: network interface device structure
3563 *
3564 * Returns the table size.
3565 */
ice_get_rxfh_key_size(struct net_device __always_unused * netdev)3566 static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev)
3567 {
3568 return ICE_VSIQF_HKEY_ARRAY_SIZE;
3569 }
3570
3571 /**
3572 * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size
3573 * @netdev: network interface device structure
3574 *
3575 * Returns the table size.
3576 */
ice_get_rxfh_indir_size(struct net_device * netdev)3577 static u32 ice_get_rxfh_indir_size(struct net_device *netdev)
3578 {
3579 struct ice_netdev_priv *np = netdev_priv(netdev);
3580
3581 return np->vsi->rss_table_size;
3582 }
3583
3584 /**
3585 * ice_get_rxfh - get the Rx flow hash indirection table
3586 * @netdev: network interface device structure
3587 * @rxfh: pointer to param struct (indir, key, hfunc)
3588 *
3589 * Reads the indirection table directly from the hardware.
3590 */
3591 static int
ice_get_rxfh(struct net_device * netdev,struct ethtool_rxfh_param * rxfh)3592 ice_get_rxfh(struct net_device *netdev, struct ethtool_rxfh_param *rxfh)
3593 {
3594 struct ice_netdev_priv *np = netdev_priv(netdev);
3595 struct ice_vsi *vsi = np->vsi;
3596 struct ice_pf *pf = vsi->back;
3597 u16 qcount, offset;
3598 int err, i;
3599 u8 *lut;
3600
3601 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
3602 netdev_warn(netdev, "RSS is not supported on this VSI!\n");
3603 return -EOPNOTSUPP;
3604 }
3605
3606 qcount = vsi->mqprio_qopt.qopt.count[0];
3607 offset = vsi->mqprio_qopt.qopt.offset[0];
3608
3609 rxfh->hfunc = ETH_RSS_HASH_TOP;
3610 if (vsi->rss_hfunc == ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ)
3611 rxfh->input_xfrm |= RXH_XFRM_SYM_XOR;
3612
3613 if (!rxfh->indir)
3614 return 0;
3615
3616 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL);
3617 if (!lut)
3618 return -ENOMEM;
3619
3620 err = ice_get_rss_key(vsi, rxfh->key);
3621 if (err)
3622 goto out;
3623
3624 err = ice_get_rss_lut(vsi, lut, vsi->rss_table_size);
3625 if (err)
3626 goto out;
3627
3628 if (ice_is_adq_active(pf)) {
3629 for (i = 0; i < vsi->rss_table_size; i++)
3630 rxfh->indir[i] = offset + lut[i] % qcount;
3631 goto out;
3632 }
3633
3634 for (i = 0; i < vsi->rss_table_size; i++)
3635 rxfh->indir[i] = lut[i];
3636
3637 out:
3638 kfree(lut);
3639 return err;
3640 }
3641
3642 /**
3643 * ice_set_rxfh - set the Rx flow hash indirection table
3644 * @netdev: network interface device structure
3645 * @rxfh: pointer to param struct (indir, key, hfunc)
3646 * @extack: extended ACK from the Netlink message
3647 *
3648 * Returns -EINVAL if the table specifies an invalid queue ID, otherwise
3649 * returns 0 after programming the table.
3650 */
3651 static int
ice_set_rxfh(struct net_device * netdev,struct ethtool_rxfh_param * rxfh,struct netlink_ext_ack * extack)3652 ice_set_rxfh(struct net_device *netdev, struct ethtool_rxfh_param *rxfh,
3653 struct netlink_ext_ack *extack)
3654 {
3655 struct ice_netdev_priv *np = netdev_priv(netdev);
3656 u8 hfunc = ICE_AQ_VSI_Q_OPT_RSS_HASH_TPLZ;
3657 struct ice_vsi *vsi = np->vsi;
3658 struct ice_pf *pf = vsi->back;
3659 struct device *dev;
3660 int err;
3661
3662 dev = ice_pf_to_dev(pf);
3663 if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE &&
3664 rxfh->hfunc != ETH_RSS_HASH_TOP)
3665 return -EOPNOTSUPP;
3666
3667 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
3668 /* RSS not supported return error here */
3669 netdev_warn(netdev, "RSS is not configured on this VSI!\n");
3670 return -EIO;
3671 }
3672
3673 if (ice_is_adq_active(pf)) {
3674 netdev_err(netdev, "Cannot change RSS params with ADQ configured.\n");
3675 return -EOPNOTSUPP;
3676 }
3677
3678 /* Update the VSI's hash function */
3679 if (rxfh->input_xfrm & RXH_XFRM_SYM_XOR)
3680 hfunc = ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ;
3681
3682 err = ice_set_rss_hfunc(vsi, hfunc);
3683 if (err)
3684 return err;
3685
3686 if (rxfh->key) {
3687 if (!vsi->rss_hkey_user) {
3688 vsi->rss_hkey_user =
3689 devm_kzalloc(dev, ICE_VSIQF_HKEY_ARRAY_SIZE,
3690 GFP_KERNEL);
3691 if (!vsi->rss_hkey_user)
3692 return -ENOMEM;
3693 }
3694 memcpy(vsi->rss_hkey_user, rxfh->key,
3695 ICE_VSIQF_HKEY_ARRAY_SIZE);
3696
3697 err = ice_set_rss_key(vsi, vsi->rss_hkey_user);
3698 if (err)
3699 return err;
3700 }
3701
3702 if (!vsi->rss_lut_user) {
3703 vsi->rss_lut_user = devm_kzalloc(dev, vsi->rss_table_size,
3704 GFP_KERNEL);
3705 if (!vsi->rss_lut_user)
3706 return -ENOMEM;
3707 }
3708
3709 /* Each 32 bits pointed by 'indir' is stored with a lut entry */
3710 if (rxfh->indir) {
3711 int i;
3712
3713 for (i = 0; i < vsi->rss_table_size; i++)
3714 vsi->rss_lut_user[i] = (u8)(rxfh->indir[i]);
3715 } else {
3716 ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size,
3717 vsi->rss_size);
3718 }
3719
3720 err = ice_set_rss_lut(vsi, vsi->rss_lut_user, vsi->rss_table_size);
3721 if (err)
3722 return err;
3723
3724 return 0;
3725 }
3726
3727 static int
ice_get_ts_info(struct net_device * dev,struct kernel_ethtool_ts_info * info)3728 ice_get_ts_info(struct net_device *dev, struct kernel_ethtool_ts_info *info)
3729 {
3730 struct ice_pf *pf = ice_netdev_to_pf(dev);
3731
3732 /* only report timestamping if PTP is enabled */
3733 if (pf->ptp.state != ICE_PTP_READY)
3734 return ethtool_op_get_ts_info(dev, info);
3735
3736 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
3737 SOF_TIMESTAMPING_TX_HARDWARE |
3738 SOF_TIMESTAMPING_RX_HARDWARE |
3739 SOF_TIMESTAMPING_RAW_HARDWARE;
3740
3741 info->phc_index = ice_ptp_clock_index(pf);
3742
3743 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
3744
3745 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | BIT(HWTSTAMP_FILTER_ALL);
3746
3747 return 0;
3748 }
3749
3750 /**
3751 * ice_get_max_txq - return the maximum number of Tx queues for in a PF
3752 * @pf: PF structure
3753 */
ice_get_max_txq(struct ice_pf * pf)3754 static int ice_get_max_txq(struct ice_pf *pf)
3755 {
3756 return min(num_online_cpus(), pf->hw.func_caps.common_cap.num_txq);
3757 }
3758
3759 /**
3760 * ice_get_max_rxq - return the maximum number of Rx queues for in a PF
3761 * @pf: PF structure
3762 */
ice_get_max_rxq(struct ice_pf * pf)3763 static int ice_get_max_rxq(struct ice_pf *pf)
3764 {
3765 return min(num_online_cpus(), pf->hw.func_caps.common_cap.num_rxq);
3766 }
3767
3768 /**
3769 * ice_get_combined_cnt - return the current number of combined channels
3770 * @vsi: PF VSI pointer
3771 *
3772 * Go through all queue vectors and count ones that have both Rx and Tx ring
3773 * attached
3774 */
ice_get_combined_cnt(struct ice_vsi * vsi)3775 static u32 ice_get_combined_cnt(struct ice_vsi *vsi)
3776 {
3777 u32 combined = 0;
3778 int q_idx;
3779
3780 ice_for_each_q_vector(vsi, q_idx) {
3781 struct ice_q_vector *q_vector = vsi->q_vectors[q_idx];
3782
3783 combined += min(q_vector->num_ring_tx, q_vector->num_ring_rx);
3784 }
3785
3786 return combined;
3787 }
3788
3789 /**
3790 * ice_get_channels - get the current and max supported channels
3791 * @dev: network interface device structure
3792 * @ch: ethtool channel data structure
3793 */
3794 static void
ice_get_channels(struct net_device * dev,struct ethtool_channels * ch)3795 ice_get_channels(struct net_device *dev, struct ethtool_channels *ch)
3796 {
3797 struct ice_netdev_priv *np = netdev_priv(dev);
3798 struct ice_vsi *vsi = np->vsi;
3799 struct ice_pf *pf = vsi->back;
3800
3801 /* report maximum channels */
3802 ch->max_rx = ice_get_max_rxq(pf);
3803 ch->max_tx = ice_get_max_txq(pf);
3804 ch->max_combined = min_t(int, ch->max_rx, ch->max_tx);
3805
3806 /* report current channels */
3807 ch->combined_count = ice_get_combined_cnt(vsi);
3808 ch->rx_count = vsi->num_rxq - ch->combined_count;
3809 ch->tx_count = vsi->num_txq - ch->combined_count;
3810
3811 /* report other queues */
3812 ch->other_count = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0;
3813 ch->max_other = ch->other_count;
3814 }
3815
3816 /**
3817 * ice_get_valid_rss_size - return valid number of RSS queues
3818 * @hw: pointer to the HW structure
3819 * @new_size: requested RSS queues
3820 */
ice_get_valid_rss_size(struct ice_hw * hw,int new_size)3821 static int ice_get_valid_rss_size(struct ice_hw *hw, int new_size)
3822 {
3823 struct ice_hw_common_caps *caps = &hw->func_caps.common_cap;
3824
3825 return min_t(int, new_size, BIT(caps->rss_table_entry_width));
3826 }
3827
3828 /**
3829 * ice_vsi_set_dflt_rss_lut - set default RSS LUT with requested RSS size
3830 * @vsi: VSI to reconfigure RSS LUT on
3831 * @req_rss_size: requested range of queue numbers for hashing
3832 *
3833 * Set the VSI's RSS parameters, configure the RSS LUT based on these.
3834 */
ice_vsi_set_dflt_rss_lut(struct ice_vsi * vsi,int req_rss_size)3835 static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size)
3836 {
3837 struct ice_pf *pf = vsi->back;
3838 struct device *dev;
3839 struct ice_hw *hw;
3840 int err;
3841 u8 *lut;
3842
3843 dev = ice_pf_to_dev(pf);
3844 hw = &pf->hw;
3845
3846 if (!req_rss_size)
3847 return -EINVAL;
3848
3849 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL);
3850 if (!lut)
3851 return -ENOMEM;
3852
3853 /* set RSS LUT parameters */
3854 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags))
3855 vsi->rss_size = 1;
3856 else
3857 vsi->rss_size = ice_get_valid_rss_size(hw, req_rss_size);
3858
3859 /* create/set RSS LUT */
3860 ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size);
3861 err = ice_set_rss_lut(vsi, lut, vsi->rss_table_size);
3862 if (err)
3863 dev_err(dev, "Cannot set RSS lut, err %d aq_err %s\n", err,
3864 libie_aq_str(hw->adminq.sq_last_status));
3865
3866 kfree(lut);
3867 return err;
3868 }
3869
3870 /**
3871 * ice_set_channels - set the number channels
3872 * @dev: network interface device structure
3873 * @ch: ethtool channel data structure
3874 */
ice_set_channels(struct net_device * dev,struct ethtool_channels * ch)3875 static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch)
3876 {
3877 struct ice_netdev_priv *np = netdev_priv(dev);
3878 struct ice_vsi *vsi = np->vsi;
3879 struct ice_pf *pf = vsi->back;
3880 int new_rx = 0, new_tx = 0;
3881 bool locked = false;
3882 int ret = 0;
3883
3884 /* do not support changing channels in Safe Mode */
3885 if (ice_is_safe_mode(pf)) {
3886 netdev_err(dev, "Changing channel in Safe Mode is not supported\n");
3887 return -EOPNOTSUPP;
3888 }
3889 /* do not support changing other_count */
3890 if (ch->other_count != (test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1U : 0U))
3891 return -EINVAL;
3892
3893 if (ice_is_adq_active(pf)) {
3894 netdev_err(dev, "Cannot set channels with ADQ configured.\n");
3895 return -EOPNOTSUPP;
3896 }
3897
3898 if (test_bit(ICE_FLAG_FD_ENA, pf->flags) && pf->hw.fdir_active_fltr) {
3899 netdev_err(dev, "Cannot set channels when Flow Director filters are active\n");
3900 return -EOPNOTSUPP;
3901 }
3902
3903 if (ch->rx_count && ch->tx_count) {
3904 netdev_err(dev, "Dedicated RX or TX channels cannot be used simultaneously\n");
3905 return -EINVAL;
3906 }
3907
3908 new_rx = ch->combined_count + ch->rx_count;
3909 new_tx = ch->combined_count + ch->tx_count;
3910
3911 if (new_rx < vsi->tc_cfg.numtc) {
3912 netdev_err(dev, "Cannot set less Rx channels, than Traffic Classes you have (%u)\n",
3913 vsi->tc_cfg.numtc);
3914 return -EINVAL;
3915 }
3916 if (new_tx < vsi->tc_cfg.numtc) {
3917 netdev_err(dev, "Cannot set less Tx channels, than Traffic Classes you have (%u)\n",
3918 vsi->tc_cfg.numtc);
3919 return -EINVAL;
3920 }
3921 if (new_rx > ice_get_max_rxq(pf)) {
3922 netdev_err(dev, "Maximum allowed Rx channels is %d\n",
3923 ice_get_max_rxq(pf));
3924 return -EINVAL;
3925 }
3926 if (new_tx > ice_get_max_txq(pf)) {
3927 netdev_err(dev, "Maximum allowed Tx channels is %d\n",
3928 ice_get_max_txq(pf));
3929 return -EINVAL;
3930 }
3931
3932 if (pf->cdev_info && pf->cdev_info->adev) {
3933 mutex_lock(&pf->adev_mutex);
3934 device_lock(&pf->cdev_info->adev->dev);
3935 locked = true;
3936 if (pf->cdev_info->adev->dev.driver) {
3937 netdev_err(dev, "Cannot change channels when RDMA is active\n");
3938 ret = -EBUSY;
3939 goto adev_unlock;
3940 }
3941 }
3942
3943 ice_vsi_recfg_qs(vsi, new_rx, new_tx, locked);
3944
3945 if (!netif_is_rxfh_configured(dev)) {
3946 ret = ice_vsi_set_dflt_rss_lut(vsi, new_rx);
3947 goto adev_unlock;
3948 }
3949
3950 /* Update rss_size due to change in Rx queues */
3951 vsi->rss_size = ice_get_valid_rss_size(&pf->hw, new_rx);
3952
3953 adev_unlock:
3954 if (locked) {
3955 device_unlock(&pf->cdev_info->adev->dev);
3956 mutex_unlock(&pf->adev_mutex);
3957 }
3958 return ret;
3959 }
3960
3961 /**
3962 * ice_get_wol - get current Wake on LAN configuration
3963 * @netdev: network interface device structure
3964 * @wol: Ethtool structure to retrieve WoL settings
3965 */
ice_get_wol(struct net_device * netdev,struct ethtool_wolinfo * wol)3966 static void ice_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
3967 {
3968 struct ice_netdev_priv *np = netdev_priv(netdev);
3969 struct ice_pf *pf = np->vsi->back;
3970
3971 if (np->vsi->type != ICE_VSI_PF)
3972 netdev_warn(netdev, "Wake on LAN is not supported on this interface!\n");
3973
3974 /* Get WoL settings based on the HW capability */
3975 if (ice_is_wol_supported(&pf->hw)) {
3976 wol->supported = WAKE_MAGIC;
3977 wol->wolopts = pf->wol_ena ? WAKE_MAGIC : 0;
3978 } else {
3979 wol->supported = 0;
3980 wol->wolopts = 0;
3981 }
3982 }
3983
3984 /**
3985 * ice_set_wol - set Wake on LAN on supported device
3986 * @netdev: network interface device structure
3987 * @wol: Ethtool structure to set WoL
3988 */
ice_set_wol(struct net_device * netdev,struct ethtool_wolinfo * wol)3989 static int ice_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
3990 {
3991 struct ice_netdev_priv *np = netdev_priv(netdev);
3992 struct ice_vsi *vsi = np->vsi;
3993 struct ice_pf *pf = vsi->back;
3994
3995 if (vsi->type != ICE_VSI_PF || !ice_is_wol_supported(&pf->hw))
3996 return -EOPNOTSUPP;
3997
3998 /* only magic packet is supported */
3999 if (wol->wolopts && wol->wolopts != WAKE_MAGIC)
4000 return -EOPNOTSUPP;
4001
4002 /* Set WoL only if there is a new value */
4003 if (pf->wol_ena != !!wol->wolopts) {
4004 pf->wol_ena = !!wol->wolopts;
4005 device_set_wakeup_enable(ice_pf_to_dev(pf), pf->wol_ena);
4006 netdev_dbg(netdev, "WoL magic packet %sabled\n",
4007 pf->wol_ena ? "en" : "dis");
4008 }
4009
4010 return 0;
4011 }
4012
4013 /**
4014 * ice_get_rc_coalesce - get ITR values for specific ring container
4015 * @ec: ethtool structure to fill with driver's coalesce settings
4016 * @rc: ring container that the ITR values will come from
4017 *
4018 * Query the device for ice_ring_container specific ITR values. This is
4019 * done per ice_ring_container because each q_vector can have 1 or more rings
4020 * and all of said ring(s) will have the same ITR values.
4021 *
4022 * Returns 0 on success, negative otherwise.
4023 */
4024 static int
ice_get_rc_coalesce(struct ethtool_coalesce * ec,struct ice_ring_container * rc)4025 ice_get_rc_coalesce(struct ethtool_coalesce *ec, struct ice_ring_container *rc)
4026 {
4027 if (!rc->rx_ring)
4028 return -EINVAL;
4029
4030 switch (rc->type) {
4031 case ICE_RX_CONTAINER:
4032 ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc);
4033 ec->rx_coalesce_usecs = rc->itr_setting;
4034 ec->rx_coalesce_usecs_high = rc->rx_ring->q_vector->intrl;
4035 break;
4036 case ICE_TX_CONTAINER:
4037 ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc);
4038 ec->tx_coalesce_usecs = rc->itr_setting;
4039 break;
4040 default:
4041 dev_dbg(ice_pf_to_dev(rc->rx_ring->vsi->back), "Invalid c_type %d\n", rc->type);
4042 return -EINVAL;
4043 }
4044
4045 return 0;
4046 }
4047
4048 /**
4049 * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings
4050 * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings
4051 * @ec: coalesce settings to program the device with
4052 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index
4053 *
4054 * Return 0 on success, and negative under the following conditions:
4055 * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed.
4056 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings.
4057 */
4058 static int
ice_get_q_coalesce(struct ice_vsi * vsi,struct ethtool_coalesce * ec,int q_num)4059 ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num)
4060 {
4061 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) {
4062 if (ice_get_rc_coalesce(ec,
4063 &vsi->rx_rings[q_num]->q_vector->rx))
4064 return -EINVAL;
4065 if (ice_get_rc_coalesce(ec,
4066 &vsi->tx_rings[q_num]->q_vector->tx))
4067 return -EINVAL;
4068 } else if (q_num < vsi->num_rxq) {
4069 if (ice_get_rc_coalesce(ec,
4070 &vsi->rx_rings[q_num]->q_vector->rx))
4071 return -EINVAL;
4072 } else if (q_num < vsi->num_txq) {
4073 if (ice_get_rc_coalesce(ec,
4074 &vsi->tx_rings[q_num]->q_vector->tx))
4075 return -EINVAL;
4076 } else {
4077 return -EINVAL;
4078 }
4079
4080 return 0;
4081 }
4082
4083 /**
4084 * __ice_get_coalesce - get ITR/INTRL values for the device
4085 * @netdev: pointer to the netdev associated with this query
4086 * @ec: ethtool structure to fill with driver's coalesce settings
4087 * @q_num: queue number to get the coalesce settings for
4088 *
4089 * If the caller passes in a negative q_num then we return coalesce settings
4090 * based on queue number 0, else use the actual q_num passed in.
4091 */
4092 static int
__ice_get_coalesce(struct net_device * netdev,struct ethtool_coalesce * ec,int q_num)4093 __ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec,
4094 int q_num)
4095 {
4096 struct ice_netdev_priv *np = netdev_priv(netdev);
4097 struct ice_vsi *vsi = np->vsi;
4098
4099 if (q_num < 0)
4100 q_num = 0;
4101
4102 if (ice_get_q_coalesce(vsi, ec, q_num))
4103 return -EINVAL;
4104
4105 return 0;
4106 }
4107
ice_get_coalesce(struct net_device * netdev,struct ethtool_coalesce * ec,struct kernel_ethtool_coalesce * kernel_coal,struct netlink_ext_ack * extack)4108 static int ice_get_coalesce(struct net_device *netdev,
4109 struct ethtool_coalesce *ec,
4110 struct kernel_ethtool_coalesce *kernel_coal,
4111 struct netlink_ext_ack *extack)
4112 {
4113 return __ice_get_coalesce(netdev, ec, -1);
4114 }
4115
4116 static int
ice_get_per_q_coalesce(struct net_device * netdev,u32 q_num,struct ethtool_coalesce * ec)4117 ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num,
4118 struct ethtool_coalesce *ec)
4119 {
4120 return __ice_get_coalesce(netdev, ec, q_num);
4121 }
4122
4123 /**
4124 * ice_set_rc_coalesce - set ITR values for specific ring container
4125 * @ec: ethtool structure from user to update ITR settings
4126 * @rc: ring container that the ITR values will come from
4127 * @vsi: VSI associated to the ring container
4128 *
4129 * Set specific ITR values. This is done per ice_ring_container because each
4130 * q_vector can have 1 or more rings and all of said ring(s) will have the same
4131 * ITR values.
4132 *
4133 * Returns 0 on success, negative otherwise.
4134 */
4135 static int
ice_set_rc_coalesce(struct ethtool_coalesce * ec,struct ice_ring_container * rc,struct ice_vsi * vsi)4136 ice_set_rc_coalesce(struct ethtool_coalesce *ec,
4137 struct ice_ring_container *rc, struct ice_vsi *vsi)
4138 {
4139 const char *c_type_str = (rc->type == ICE_RX_CONTAINER) ? "rx" : "tx";
4140 u32 use_adaptive_coalesce, coalesce_usecs;
4141 struct ice_pf *pf = vsi->back;
4142 u16 itr_setting;
4143
4144 if (!rc->rx_ring)
4145 return -EINVAL;
4146
4147 switch (rc->type) {
4148 case ICE_RX_CONTAINER:
4149 {
4150 struct ice_q_vector *q_vector = rc->rx_ring->q_vector;
4151
4152 if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL ||
4153 (ec->rx_coalesce_usecs_high &&
4154 ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) {
4155 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high valid values are 0 (disabled), %d-%d\n",
4156 c_type_str, pf->hw.intrl_gran,
4157 ICE_MAX_INTRL);
4158 return -EINVAL;
4159 }
4160 if (ec->rx_coalesce_usecs_high != q_vector->intrl &&
4161 (ec->use_adaptive_rx_coalesce || ec->use_adaptive_tx_coalesce)) {
4162 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high cannot be changed if adaptive-tx or adaptive-rx is enabled\n",
4163 c_type_str);
4164 return -EINVAL;
4165 }
4166 if (ec->rx_coalesce_usecs_high != q_vector->intrl)
4167 q_vector->intrl = ec->rx_coalesce_usecs_high;
4168
4169 use_adaptive_coalesce = ec->use_adaptive_rx_coalesce;
4170 coalesce_usecs = ec->rx_coalesce_usecs;
4171
4172 break;
4173 }
4174 case ICE_TX_CONTAINER:
4175 use_adaptive_coalesce = ec->use_adaptive_tx_coalesce;
4176 coalesce_usecs = ec->tx_coalesce_usecs;
4177
4178 break;
4179 default:
4180 dev_dbg(ice_pf_to_dev(pf), "Invalid container type %d\n",
4181 rc->type);
4182 return -EINVAL;
4183 }
4184
4185 itr_setting = rc->itr_setting;
4186 if (coalesce_usecs != itr_setting && use_adaptive_coalesce) {
4187 netdev_info(vsi->netdev, "%s interrupt throttling cannot be changed if adaptive-%s is enabled\n",
4188 c_type_str, c_type_str);
4189 return -EINVAL;
4190 }
4191
4192 if (coalesce_usecs > ICE_ITR_MAX) {
4193 netdev_info(vsi->netdev, "Invalid value, %s-usecs range is 0-%d\n",
4194 c_type_str, ICE_ITR_MAX);
4195 return -EINVAL;
4196 }
4197
4198 if (use_adaptive_coalesce) {
4199 rc->itr_mode = ITR_DYNAMIC;
4200 } else {
4201 rc->itr_mode = ITR_STATIC;
4202 /* store user facing value how it was set */
4203 rc->itr_setting = coalesce_usecs;
4204 /* write the change to the register */
4205 ice_write_itr(rc, coalesce_usecs);
4206 /* force writes to take effect immediately, the flush shouldn't
4207 * be done in the functions above because the intent is for
4208 * them to do lazy writes.
4209 */
4210 ice_flush(&pf->hw);
4211 }
4212
4213 return 0;
4214 }
4215
4216 /**
4217 * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings
4218 * @vsi: VSI associated to the queue that need updating
4219 * @ec: coalesce settings to program the device with
4220 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index
4221 *
4222 * Return 0 on success, and negative under the following conditions:
4223 * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed.
4224 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings.
4225 */
4226 static int
ice_set_q_coalesce(struct ice_vsi * vsi,struct ethtool_coalesce * ec,int q_num)4227 ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num)
4228 {
4229 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) {
4230 if (ice_set_rc_coalesce(ec,
4231 &vsi->rx_rings[q_num]->q_vector->rx,
4232 vsi))
4233 return -EINVAL;
4234
4235 if (ice_set_rc_coalesce(ec,
4236 &vsi->tx_rings[q_num]->q_vector->tx,
4237 vsi))
4238 return -EINVAL;
4239 } else if (q_num < vsi->num_rxq) {
4240 if (ice_set_rc_coalesce(ec,
4241 &vsi->rx_rings[q_num]->q_vector->rx,
4242 vsi))
4243 return -EINVAL;
4244 } else if (q_num < vsi->num_txq) {
4245 if (ice_set_rc_coalesce(ec,
4246 &vsi->tx_rings[q_num]->q_vector->tx,
4247 vsi))
4248 return -EINVAL;
4249 } else {
4250 return -EINVAL;
4251 }
4252
4253 return 0;
4254 }
4255
4256 /**
4257 * ice_print_if_odd_usecs - print message if user tries to set odd [tx|rx]-usecs
4258 * @netdev: netdev used for print
4259 * @itr_setting: previous user setting
4260 * @use_adaptive_coalesce: if adaptive coalesce is enabled or being enabled
4261 * @coalesce_usecs: requested value of [tx|rx]-usecs
4262 * @c_type_str: either "rx" or "tx" to match user set field of [tx|rx]-usecs
4263 */
4264 static void
ice_print_if_odd_usecs(struct net_device * netdev,u16 itr_setting,u32 use_adaptive_coalesce,u32 coalesce_usecs,const char * c_type_str)4265 ice_print_if_odd_usecs(struct net_device *netdev, u16 itr_setting,
4266 u32 use_adaptive_coalesce, u32 coalesce_usecs,
4267 const char *c_type_str)
4268 {
4269 if (use_adaptive_coalesce)
4270 return;
4271
4272 if (itr_setting != coalesce_usecs && (coalesce_usecs % 2))
4273 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",
4274 c_type_str, coalesce_usecs, c_type_str,
4275 ITR_REG_ALIGN(coalesce_usecs));
4276 }
4277
4278 /**
4279 * __ice_set_coalesce - set ITR/INTRL values for the device
4280 * @netdev: pointer to the netdev associated with this query
4281 * @ec: ethtool structure to fill with driver's coalesce settings
4282 * @q_num: queue number to get the coalesce settings for
4283 *
4284 * If the caller passes in a negative q_num then we set the coalesce settings
4285 * for all Tx/Rx queues, else use the actual q_num passed in.
4286 */
4287 static int
__ice_set_coalesce(struct net_device * netdev,struct ethtool_coalesce * ec,int q_num)4288 __ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec,
4289 int q_num)
4290 {
4291 struct ice_netdev_priv *np = netdev_priv(netdev);
4292 struct ice_vsi *vsi = np->vsi;
4293
4294 if (q_num < 0) {
4295 struct ice_q_vector *q_vector = vsi->q_vectors[0];
4296 int v_idx;
4297
4298 if (q_vector) {
4299 ice_print_if_odd_usecs(netdev, q_vector->rx.itr_setting,
4300 ec->use_adaptive_rx_coalesce,
4301 ec->rx_coalesce_usecs, "rx");
4302
4303 ice_print_if_odd_usecs(netdev, q_vector->tx.itr_setting,
4304 ec->use_adaptive_tx_coalesce,
4305 ec->tx_coalesce_usecs, "tx");
4306 }
4307
4308 ice_for_each_q_vector(vsi, v_idx) {
4309 /* In some cases if DCB is configured the num_[rx|tx]q
4310 * can be less than vsi->num_q_vectors. This check
4311 * accounts for that so we don't report a false failure
4312 */
4313 if (v_idx >= vsi->num_rxq && v_idx >= vsi->num_txq)
4314 goto set_complete;
4315
4316 if (ice_set_q_coalesce(vsi, ec, v_idx))
4317 return -EINVAL;
4318
4319 ice_set_q_vector_intrl(vsi->q_vectors[v_idx]);
4320 }
4321 goto set_complete;
4322 }
4323
4324 if (ice_set_q_coalesce(vsi, ec, q_num))
4325 return -EINVAL;
4326
4327 ice_set_q_vector_intrl(vsi->q_vectors[q_num]);
4328
4329 set_complete:
4330 return 0;
4331 }
4332
ice_set_coalesce(struct net_device * netdev,struct ethtool_coalesce * ec,struct kernel_ethtool_coalesce * kernel_coal,struct netlink_ext_ack * extack)4333 static int ice_set_coalesce(struct net_device *netdev,
4334 struct ethtool_coalesce *ec,
4335 struct kernel_ethtool_coalesce *kernel_coal,
4336 struct netlink_ext_ack *extack)
4337 {
4338 return __ice_set_coalesce(netdev, ec, -1);
4339 }
4340
4341 static int
ice_set_per_q_coalesce(struct net_device * netdev,u32 q_num,struct ethtool_coalesce * ec)4342 ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num,
4343 struct ethtool_coalesce *ec)
4344 {
4345 return __ice_set_coalesce(netdev, ec, q_num);
4346 }
4347
4348 static void
ice_repr_get_drvinfo(struct net_device * netdev,struct ethtool_drvinfo * drvinfo)4349 ice_repr_get_drvinfo(struct net_device *netdev,
4350 struct ethtool_drvinfo *drvinfo)
4351 {
4352 struct ice_repr *repr = ice_netdev_to_repr(netdev);
4353
4354 if (repr->ops.ready(repr))
4355 return;
4356
4357 __ice_get_drvinfo(netdev, drvinfo, repr->src_vsi);
4358 }
4359
4360 static void
ice_repr_get_strings(struct net_device * netdev,u32 stringset,u8 * data)4361 ice_repr_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
4362 {
4363 struct ice_repr *repr = ice_netdev_to_repr(netdev);
4364
4365 /* for port representors only ETH_SS_STATS is supported */
4366 if (repr->ops.ready(repr) || stringset != ETH_SS_STATS)
4367 return;
4368
4369 __ice_get_strings(netdev, stringset, data, repr->src_vsi);
4370 }
4371
4372 static void
ice_repr_get_ethtool_stats(struct net_device * netdev,struct ethtool_stats __always_unused * stats,u64 * data)4373 ice_repr_get_ethtool_stats(struct net_device *netdev,
4374 struct ethtool_stats __always_unused *stats,
4375 u64 *data)
4376 {
4377 struct ice_repr *repr = ice_netdev_to_repr(netdev);
4378
4379 if (repr->ops.ready(repr))
4380 return;
4381
4382 __ice_get_ethtool_stats(netdev, stats, data, repr->src_vsi);
4383 }
4384
ice_repr_get_sset_count(struct net_device * netdev,int sset)4385 static int ice_repr_get_sset_count(struct net_device *netdev, int sset)
4386 {
4387 switch (sset) {
4388 case ETH_SS_STATS:
4389 return ICE_VSI_STATS_LEN;
4390 default:
4391 return -EOPNOTSUPP;
4392 }
4393 }
4394
4395 #define ICE_I2C_EEPROM_DEV_ADDR 0xA0
4396 #define ICE_I2C_EEPROM_DEV_ADDR2 0xA2
4397 #define ICE_MODULE_TYPE_SFP 0x03
4398 #define ICE_MODULE_TYPE_QSFP_PLUS 0x0D
4399 #define ICE_MODULE_TYPE_QSFP28 0x11
4400 #define ICE_MODULE_SFF_ADDR_MODE 0x04
4401 #define ICE_MODULE_SFF_DIAG_CAPAB 0x40
4402 #define ICE_MODULE_REVISION_ADDR 0x01
4403 #define ICE_MODULE_SFF_8472_COMP 0x5E
4404 #define ICE_MODULE_SFF_8472_SWAP 0x5C
4405 #define ICE_MODULE_QSFP_MAX_LEN 640
4406
4407 /**
4408 * ice_get_module_info - get SFF module type and revision information
4409 * @netdev: network interface device structure
4410 * @modinfo: module EEPROM size and layout information structure
4411 */
4412 static int
ice_get_module_info(struct net_device * netdev,struct ethtool_modinfo * modinfo)4413 ice_get_module_info(struct net_device *netdev,
4414 struct ethtool_modinfo *modinfo)
4415 {
4416 struct ice_netdev_priv *np = netdev_priv(netdev);
4417 struct ice_vsi *vsi = np->vsi;
4418 struct ice_pf *pf = vsi->back;
4419 struct ice_hw *hw = &pf->hw;
4420 u8 sff8472_comp = 0;
4421 u8 sff8472_swap = 0;
4422 u8 sff8636_rev = 0;
4423 u8 value = 0;
4424 int status;
4425
4426 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 0x00, 0x00,
4427 0, &value, 1, 0, NULL);
4428 if (status)
4429 return status;
4430
4431 switch (value) {
4432 case ICE_MODULE_TYPE_SFP:
4433 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
4434 ICE_MODULE_SFF_8472_COMP, 0x00, 0,
4435 &sff8472_comp, 1, 0, NULL);
4436 if (status)
4437 return status;
4438 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
4439 ICE_MODULE_SFF_8472_SWAP, 0x00, 0,
4440 &sff8472_swap, 1, 0, NULL);
4441 if (status)
4442 return status;
4443
4444 if (sff8472_swap & ICE_MODULE_SFF_ADDR_MODE) {
4445 modinfo->type = ETH_MODULE_SFF_8079;
4446 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
4447 } else if (sff8472_comp &&
4448 (sff8472_swap & ICE_MODULE_SFF_DIAG_CAPAB)) {
4449 modinfo->type = ETH_MODULE_SFF_8472;
4450 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
4451 } else {
4452 modinfo->type = ETH_MODULE_SFF_8079;
4453 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
4454 }
4455 break;
4456 case ICE_MODULE_TYPE_QSFP_PLUS:
4457 case ICE_MODULE_TYPE_QSFP28:
4458 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
4459 ICE_MODULE_REVISION_ADDR, 0x00, 0,
4460 &sff8636_rev, 1, 0, NULL);
4461 if (status)
4462 return status;
4463 /* Check revision compliance */
4464 if (sff8636_rev > 0x02) {
4465 /* Module is SFF-8636 compliant */
4466 modinfo->type = ETH_MODULE_SFF_8636;
4467 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN;
4468 } else {
4469 modinfo->type = ETH_MODULE_SFF_8436;
4470 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN;
4471 }
4472 break;
4473 default:
4474 netdev_warn(netdev, "SFF Module Type not recognized.\n");
4475 return -EINVAL;
4476 }
4477 return 0;
4478 }
4479
4480 /**
4481 * ice_get_module_eeprom - fill buffer with SFF EEPROM contents
4482 * @netdev: network interface device structure
4483 * @ee: EEPROM dump request structure
4484 * @data: buffer to be filled with EEPROM contents
4485 */
4486 static int
ice_get_module_eeprom(struct net_device * netdev,struct ethtool_eeprom * ee,u8 * data)4487 ice_get_module_eeprom(struct net_device *netdev,
4488 struct ethtool_eeprom *ee, u8 *data)
4489 {
4490 struct ice_netdev_priv *np = netdev_priv(netdev);
4491 #define SFF_READ_BLOCK_SIZE 8
4492 u8 value[SFF_READ_BLOCK_SIZE] = { 0 };
4493 u8 addr = ICE_I2C_EEPROM_DEV_ADDR;
4494 struct ice_vsi *vsi = np->vsi;
4495 struct ice_pf *pf = vsi->back;
4496 struct ice_hw *hw = &pf->hw;
4497 bool is_sfp = false;
4498 unsigned int i, j;
4499 u16 offset = 0;
4500 u8 page = 0;
4501 int status;
4502
4503 if (!ee || !ee->len || !data)
4504 return -EINVAL;
4505
4506 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 0, value, 1, 0,
4507 NULL);
4508 if (status)
4509 return status;
4510
4511 if (value[0] == ICE_MODULE_TYPE_SFP)
4512 is_sfp = true;
4513
4514 memset(data, 0, ee->len);
4515 for (i = 0; i < ee->len; i += SFF_READ_BLOCK_SIZE) {
4516 offset = i + ee->offset;
4517 page = 0;
4518
4519 /* Check if we need to access the other memory page */
4520 if (is_sfp) {
4521 if (offset >= ETH_MODULE_SFF_8079_LEN) {
4522 offset -= ETH_MODULE_SFF_8079_LEN;
4523 addr = ICE_I2C_EEPROM_DEV_ADDR2;
4524 }
4525 } else {
4526 while (offset >= ETH_MODULE_SFF_8436_LEN) {
4527 /* Compute memory page number and offset. */
4528 offset -= ETH_MODULE_SFF_8436_LEN / 2;
4529 page++;
4530 }
4531 }
4532
4533 /* Bit 2 of EEPROM address 0x02 declares upper
4534 * pages are disabled on QSFP modules.
4535 * SFP modules only ever use page 0.
4536 */
4537 if (page == 0 || !(data[0x2] & 0x4)) {
4538 u32 copy_len;
4539
4540 /* If i2c bus is busy due to slow page change or
4541 * link management access, call can fail. This is normal.
4542 * So we retry this a few times.
4543 */
4544 for (j = 0; j < 4; j++) {
4545 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page,
4546 !is_sfp, value,
4547 SFF_READ_BLOCK_SIZE,
4548 0, NULL);
4549 netdev_dbg(netdev, "SFF %02X %02X %02X %X = %02X%02X%02X%02X.%02X%02X%02X%02X (%X)\n",
4550 addr, offset, page, is_sfp,
4551 value[0], value[1], value[2], value[3],
4552 value[4], value[5], value[6], value[7],
4553 status);
4554 if (status) {
4555 usleep_range(1500, 2500);
4556 memset(value, 0, SFF_READ_BLOCK_SIZE);
4557 continue;
4558 }
4559 break;
4560 }
4561
4562 /* Make sure we have enough room for the new block */
4563 copy_len = min_t(u32, SFF_READ_BLOCK_SIZE, ee->len - i);
4564 memcpy(data + i, value, copy_len);
4565 }
4566 }
4567 return 0;
4568 }
4569
4570 /**
4571 * ice_get_port_fec_stats - returns FEC correctable, uncorrectable stats per
4572 * pcsquad, pcsport
4573 * @hw: pointer to the HW struct
4574 * @pcs_quad: pcsquad for input port
4575 * @pcs_port: pcsport for input port
4576 * @fec_stats: buffer to hold FEC statistics for given port
4577 *
4578 * Return: 0 on success, negative on failure.
4579 */
ice_get_port_fec_stats(struct ice_hw * hw,u16 pcs_quad,u16 pcs_port,struct ethtool_fec_stats * fec_stats)4580 static int ice_get_port_fec_stats(struct ice_hw *hw, u16 pcs_quad, u16 pcs_port,
4581 struct ethtool_fec_stats *fec_stats)
4582 {
4583 u32 fec_uncorr_low_val = 0, fec_uncorr_high_val = 0;
4584 u32 fec_corr_low_val = 0, fec_corr_high_val = 0;
4585 int err;
4586
4587 if (pcs_quad > 1 || pcs_port > 3)
4588 return -EINVAL;
4589
4590 err = ice_aq_get_fec_stats(hw, pcs_quad, pcs_port, ICE_FEC_CORR_LOW,
4591 &fec_corr_low_val);
4592 if (err)
4593 return err;
4594
4595 err = ice_aq_get_fec_stats(hw, pcs_quad, pcs_port, ICE_FEC_CORR_HIGH,
4596 &fec_corr_high_val);
4597 if (err)
4598 return err;
4599
4600 err = ice_aq_get_fec_stats(hw, pcs_quad, pcs_port,
4601 ICE_FEC_UNCORR_LOW,
4602 &fec_uncorr_low_val);
4603 if (err)
4604 return err;
4605
4606 err = ice_aq_get_fec_stats(hw, pcs_quad, pcs_port,
4607 ICE_FEC_UNCORR_HIGH,
4608 &fec_uncorr_high_val);
4609 if (err)
4610 return err;
4611
4612 fec_stats->corrected_blocks.total = (fec_corr_high_val << 16) +
4613 fec_corr_low_val;
4614 fec_stats->uncorrectable_blocks.total = (fec_uncorr_high_val << 16) +
4615 fec_uncorr_low_val;
4616 return 0;
4617 }
4618
4619 /**
4620 * ice_get_fec_stats - returns FEC correctable, uncorrectable stats per netdev
4621 * @netdev: network interface device structure
4622 * @fec_stats: buffer to hold FEC statistics for given port
4623 *
4624 */
ice_get_fec_stats(struct net_device * netdev,struct ethtool_fec_stats * fec_stats)4625 static void ice_get_fec_stats(struct net_device *netdev,
4626 struct ethtool_fec_stats *fec_stats)
4627 {
4628 struct ice_netdev_priv *np = netdev_priv(netdev);
4629 struct ice_port_topology port_topology;
4630 struct ice_port_info *pi;
4631 struct ice_pf *pf;
4632 struct ice_hw *hw;
4633 int err;
4634
4635 pf = np->vsi->back;
4636 hw = &pf->hw;
4637 pi = np->vsi->port_info;
4638
4639 /* Serdes parameters are not supported if not the PF VSI */
4640 if (np->vsi->type != ICE_VSI_PF || !pi)
4641 return;
4642
4643 err = ice_get_port_topology(hw, pi->lport, &port_topology);
4644 if (err) {
4645 netdev_info(netdev, "Extended register dump failed Lport %d\n",
4646 pi->lport);
4647 return;
4648 }
4649
4650 /* Get FEC correctable, uncorrectable counter */
4651 err = ice_get_port_fec_stats(hw, port_topology.pcs_quad_select,
4652 port_topology.pcs_port, fec_stats);
4653 if (err)
4654 netdev_info(netdev, "FEC stats get failed Lport %d Err %d\n",
4655 pi->lport, err);
4656 }
4657
4658 #define ICE_ETHTOOL_PFR (ETH_RESET_IRQ | ETH_RESET_DMA | \
4659 ETH_RESET_FILTER | ETH_RESET_OFFLOAD)
4660
4661 #define ICE_ETHTOOL_CORER ((ICE_ETHTOOL_PFR | ETH_RESET_RAM) << \
4662 ETH_RESET_SHARED_SHIFT)
4663
4664 #define ICE_ETHTOOL_GLOBR (ICE_ETHTOOL_CORER | \
4665 (ETH_RESET_MAC << ETH_RESET_SHARED_SHIFT) | \
4666 (ETH_RESET_PHY << ETH_RESET_SHARED_SHIFT))
4667
4668 #define ICE_ETHTOOL_VFR ICE_ETHTOOL_PFR
4669
4670 /**
4671 * ice_ethtool_reset - triggers a given type of reset
4672 * @dev: network interface device structure
4673 * @flags: set of reset flags
4674 *
4675 * Return: 0 on success, -EOPNOTSUPP when using unsupported set of flags.
4676 */
ice_ethtool_reset(struct net_device * dev,u32 * flags)4677 static int ice_ethtool_reset(struct net_device *dev, u32 *flags)
4678 {
4679 struct ice_netdev_priv *np = netdev_priv(dev);
4680 struct ice_pf *pf = np->vsi->back;
4681 enum ice_reset_req reset;
4682
4683 switch (*flags) {
4684 case ICE_ETHTOOL_CORER:
4685 reset = ICE_RESET_CORER;
4686 break;
4687 case ICE_ETHTOOL_GLOBR:
4688 reset = ICE_RESET_GLOBR;
4689 break;
4690 case ICE_ETHTOOL_PFR:
4691 reset = ICE_RESET_PFR;
4692 break;
4693 default:
4694 netdev_info(dev, "Unsupported set of ethtool flags");
4695 return -EOPNOTSUPP;
4696 }
4697
4698 ice_schedule_reset(pf, reset);
4699
4700 *flags = 0;
4701
4702 return 0;
4703 }
4704
4705 /**
4706 * ice_repr_ethtool_reset - triggers a VF reset
4707 * @dev: network interface device structure
4708 * @flags: set of reset flags
4709 *
4710 * Return: 0 on success,
4711 * -EOPNOTSUPP when using unsupported set of flags
4712 * -EBUSY when VF is not ready for reset.
4713 */
ice_repr_ethtool_reset(struct net_device * dev,u32 * flags)4714 static int ice_repr_ethtool_reset(struct net_device *dev, u32 *flags)
4715 {
4716 struct ice_repr *repr = ice_netdev_to_repr(dev);
4717 struct ice_vf *vf;
4718
4719 if (repr->type != ICE_REPR_TYPE_VF ||
4720 *flags != ICE_ETHTOOL_VFR)
4721 return -EOPNOTSUPP;
4722
4723 vf = repr->vf;
4724
4725 if (ice_check_vf_ready_for_cfg(vf))
4726 return -EBUSY;
4727
4728 *flags = 0;
4729
4730 return ice_reset_vf(vf, ICE_VF_RESET_VFLR | ICE_VF_RESET_LOCK);
4731 }
4732
4733 static const struct ethtool_ops ice_ethtool_ops = {
4734 .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
4735 ETHTOOL_COALESCE_USE_ADAPTIVE |
4736 ETHTOOL_COALESCE_RX_USECS_HIGH,
4737 .supported_input_xfrm = RXH_XFRM_SYM_XOR,
4738 .get_link_ksettings = ice_get_link_ksettings,
4739 .set_link_ksettings = ice_set_link_ksettings,
4740 .get_fec_stats = ice_get_fec_stats,
4741 .get_drvinfo = ice_get_drvinfo,
4742 .get_regs_len = ice_get_regs_len,
4743 .get_regs = ice_get_regs,
4744 .get_wol = ice_get_wol,
4745 .set_wol = ice_set_wol,
4746 .get_msglevel = ice_get_msglevel,
4747 .set_msglevel = ice_set_msglevel,
4748 .self_test = ice_self_test,
4749 .get_link = ethtool_op_get_link,
4750 .get_link_ext_stats = ice_get_link_ext_stats,
4751 .get_eeprom_len = ice_get_eeprom_len,
4752 .get_eeprom = ice_get_eeprom,
4753 .get_coalesce = ice_get_coalesce,
4754 .set_coalesce = ice_set_coalesce,
4755 .get_strings = ice_get_strings,
4756 .set_phys_id = ice_set_phys_id,
4757 .get_ethtool_stats = ice_get_ethtool_stats,
4758 .get_priv_flags = ice_get_priv_flags,
4759 .set_priv_flags = ice_set_priv_flags,
4760 .get_sset_count = ice_get_sset_count,
4761 .get_rxnfc = ice_get_rxnfc,
4762 .set_rxnfc = ice_set_rxnfc,
4763 .get_ringparam = ice_get_ringparam,
4764 .set_ringparam = ice_set_ringparam,
4765 .nway_reset = ice_nway_reset,
4766 .get_pauseparam = ice_get_pauseparam,
4767 .set_pauseparam = ice_set_pauseparam,
4768 .reset = ice_ethtool_reset,
4769 .get_rxfh_key_size = ice_get_rxfh_key_size,
4770 .get_rxfh_indir_size = ice_get_rxfh_indir_size,
4771 .get_rxfh = ice_get_rxfh,
4772 .set_rxfh = ice_set_rxfh,
4773 .get_rxfh_fields = ice_get_rxfh_fields,
4774 .set_rxfh_fields = ice_set_rxfh_fields,
4775 .get_channels = ice_get_channels,
4776 .set_channels = ice_set_channels,
4777 .get_ts_info = ice_get_ts_info,
4778 .get_per_queue_coalesce = ice_get_per_q_coalesce,
4779 .set_per_queue_coalesce = ice_set_per_q_coalesce,
4780 .get_fecparam = ice_get_fecparam,
4781 .set_fecparam = ice_set_fecparam,
4782 .get_module_info = ice_get_module_info,
4783 .get_module_eeprom = ice_get_module_eeprom,
4784 };
4785
4786 static const struct ethtool_ops ice_ethtool_safe_mode_ops = {
4787 .get_link_ksettings = ice_get_link_ksettings,
4788 .set_link_ksettings = ice_set_link_ksettings,
4789 .get_drvinfo = ice_get_drvinfo,
4790 .get_regs_len = ice_get_regs_len,
4791 .get_regs = ice_get_regs,
4792 .get_wol = ice_get_wol,
4793 .set_wol = ice_set_wol,
4794 .get_msglevel = ice_get_msglevel,
4795 .set_msglevel = ice_set_msglevel,
4796 .get_link = ethtool_op_get_link,
4797 .get_eeprom_len = ice_get_eeprom_len,
4798 .get_eeprom = ice_get_eeprom,
4799 .get_strings = ice_get_strings,
4800 .get_ethtool_stats = ice_get_ethtool_stats,
4801 .get_sset_count = ice_get_sset_count,
4802 .get_ringparam = ice_get_ringparam,
4803 .set_ringparam = ice_set_ringparam,
4804 .nway_reset = ice_nway_reset,
4805 .get_channels = ice_get_channels,
4806 };
4807
4808 /**
4809 * ice_set_ethtool_safe_mode_ops - setup safe mode ethtool ops
4810 * @netdev: network interface device structure
4811 */
ice_set_ethtool_safe_mode_ops(struct net_device * netdev)4812 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev)
4813 {
4814 netdev->ethtool_ops = &ice_ethtool_safe_mode_ops;
4815 }
4816
4817 static const struct ethtool_ops ice_ethtool_repr_ops = {
4818 .get_drvinfo = ice_repr_get_drvinfo,
4819 .get_link = ethtool_op_get_link,
4820 .get_strings = ice_repr_get_strings,
4821 .get_ethtool_stats = ice_repr_get_ethtool_stats,
4822 .get_sset_count = ice_repr_get_sset_count,
4823 .reset = ice_repr_ethtool_reset,
4824 };
4825
4826 /**
4827 * ice_set_ethtool_repr_ops - setup VF's port representor ethtool ops
4828 * @netdev: network interface device structure
4829 */
ice_set_ethtool_repr_ops(struct net_device * netdev)4830 void ice_set_ethtool_repr_ops(struct net_device *netdev)
4831 {
4832 netdev->ethtool_ops = &ice_ethtool_repr_ops;
4833 }
4834
4835 /**
4836 * ice_set_ethtool_ops - setup netdev ethtool ops
4837 * @netdev: network interface device structure
4838 *
4839 * setup netdev ethtool ops with ice specific ops
4840 */
ice_set_ethtool_ops(struct net_device * netdev)4841 void ice_set_ethtool_ops(struct net_device *netdev)
4842 {
4843 netdev->ethtool_ops = &ice_ethtool_ops;
4844 }
4845