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 #include <net/libeth/rx.h>
14
15 struct ice_stats {
16 char stat_string[ETH_GSTRING_LEN];
17 int sizeof_stat;
18 int stat_offset;
19 };
20
21 #define ICE_STAT(_type, _name, _stat) { \
22 .stat_string = _name, \
23 .sizeof_stat = sizeof_field(_type, _stat), \
24 .stat_offset = offsetof(_type, _stat) \
25 }
26
27 #define ICE_VSI_STAT(_name, _stat) \
28 ICE_STAT(struct ice_vsi, _name, _stat)
29 #define ICE_PF_STAT(_name, _stat) \
30 ICE_STAT(struct ice_pf, _name, _stat)
31
ice_q_stats_len(struct net_device * netdev)32 static int ice_q_stats_len(struct net_device *netdev)
33 {
34 struct ice_netdev_priv *np = netdev_priv(netdev);
35
36 /* One packets and one bytes count per queue */
37 return ((np->vsi->alloc_txq + np->vsi->alloc_rxq) * 2);
38 }
39
40 #define ICE_PF_STATS_LEN ARRAY_SIZE(ice_gstrings_pf_stats)
41 #define ICE_VSI_STATS_LEN ARRAY_SIZE(ice_gstrings_vsi_stats)
42
43 #define ICE_PFC_STATS_LEN ( \
44 (sizeof_field(struct ice_pf, stats.priority_xoff_rx) + \
45 sizeof_field(struct ice_pf, stats.priority_xon_rx) + \
46 sizeof_field(struct ice_pf, stats.priority_xoff_tx) + \
47 sizeof_field(struct ice_pf, stats.priority_xon_tx)) \
48 / sizeof(u64))
49 #define ICE_ALL_STATS_LEN(n) (ICE_PF_STATS_LEN + ICE_PFC_STATS_LEN + \
50 ICE_VSI_STATS_LEN + ice_q_stats_len(n))
51
52 static const struct ice_stats ice_gstrings_vsi_stats[] = {
53 ICE_VSI_STAT("rx_unicast", eth_stats.rx_unicast),
54 ICE_VSI_STAT("tx_unicast", eth_stats.tx_unicast),
55 ICE_VSI_STAT("rx_multicast", eth_stats.rx_multicast),
56 ICE_VSI_STAT("tx_multicast", eth_stats.tx_multicast),
57 ICE_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast),
58 ICE_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast),
59 ICE_VSI_STAT("rx_bytes", eth_stats.rx_bytes),
60 ICE_VSI_STAT("tx_bytes", eth_stats.tx_bytes),
61 ICE_VSI_STAT("rx_dropped", eth_stats.rx_discards),
62 ICE_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol),
63 ICE_VSI_STAT("rx_alloc_fail", rx_buf_failed),
64 ICE_VSI_STAT("rx_pg_alloc_fail", rx_page_failed),
65 ICE_VSI_STAT("tx_errors", eth_stats.tx_errors),
66 ICE_VSI_STAT("tx_linearize", tx_linearize),
67 ICE_VSI_STAT("tx_busy", tx_busy),
68 ICE_VSI_STAT("tx_restart", tx_restart),
69 };
70
71 enum ice_ethtool_test_id {
72 ICE_ETH_TEST_REG = 0,
73 ICE_ETH_TEST_EEPROM,
74 ICE_ETH_TEST_INTR,
75 ICE_ETH_TEST_LOOP,
76 ICE_ETH_TEST_LINK,
77 };
78
79 static const char ice_gstrings_test[][ETH_GSTRING_LEN] = {
80 "Register test (offline)",
81 "EEPROM test (offline)",
82 "Interrupt test (offline)",
83 "Loopback test (offline)",
84 "Link test (on/offline)",
85 };
86
87 #define ICE_TEST_LEN (sizeof(ice_gstrings_test) / ETH_GSTRING_LEN)
88
89 /* These PF_STATs might look like duplicates of some NETDEV_STATs,
90 * but they aren't. This device is capable of supporting multiple
91 * VSIs/netdevs on a single PF. The NETDEV_STATs are for individual
92 * netdevs whereas the PF_STATs are for the physical function that's
93 * hosting these netdevs.
94 *
95 * The PF_STATs are appended to the netdev stats only when ethtool -S
96 * is queried on the base PF netdev.
97 */
98 static const struct ice_stats ice_gstrings_pf_stats[] = {
99 ICE_PF_STAT("rx_bytes.nic", stats.eth.rx_bytes),
100 ICE_PF_STAT("tx_bytes.nic", stats.eth.tx_bytes),
101 ICE_PF_STAT("rx_unicast.nic", stats.eth.rx_unicast),
102 ICE_PF_STAT("tx_unicast.nic", stats.eth.tx_unicast),
103 ICE_PF_STAT("rx_multicast.nic", stats.eth.rx_multicast),
104 ICE_PF_STAT("tx_multicast.nic", stats.eth.tx_multicast),
105 ICE_PF_STAT("rx_broadcast.nic", stats.eth.rx_broadcast),
106 ICE_PF_STAT("tx_broadcast.nic", stats.eth.tx_broadcast),
107 ICE_PF_STAT("tx_errors.nic", stats.eth.tx_errors),
108 ICE_PF_STAT("tx_timeout.nic", tx_timeout_count),
109 ICE_PF_STAT("rx_size_64.nic", stats.rx_size_64),
110 ICE_PF_STAT("tx_size_64.nic", stats.tx_size_64),
111 ICE_PF_STAT("rx_size_127.nic", stats.rx_size_127),
112 ICE_PF_STAT("tx_size_127.nic", stats.tx_size_127),
113 ICE_PF_STAT("rx_size_255.nic", stats.rx_size_255),
114 ICE_PF_STAT("tx_size_255.nic", stats.tx_size_255),
115 ICE_PF_STAT("rx_size_511.nic", stats.rx_size_511),
116 ICE_PF_STAT("tx_size_511.nic", stats.tx_size_511),
117 ICE_PF_STAT("rx_size_1023.nic", stats.rx_size_1023),
118 ICE_PF_STAT("tx_size_1023.nic", stats.tx_size_1023),
119 ICE_PF_STAT("rx_size_1522.nic", stats.rx_size_1522),
120 ICE_PF_STAT("tx_size_1522.nic", stats.tx_size_1522),
121 ICE_PF_STAT("rx_size_big.nic", stats.rx_size_big),
122 ICE_PF_STAT("tx_size_big.nic", stats.tx_size_big),
123 ICE_PF_STAT("link_xon_rx.nic", stats.link_xon_rx),
124 ICE_PF_STAT("link_xon_tx.nic", stats.link_xon_tx),
125 ICE_PF_STAT("link_xoff_rx.nic", stats.link_xoff_rx),
126 ICE_PF_STAT("link_xoff_tx.nic", stats.link_xoff_tx),
127 ICE_PF_STAT("tx_dropped_link_down.nic", stats.tx_dropped_link_down),
128 ICE_PF_STAT("rx_undersize.nic", stats.rx_undersize),
129 ICE_PF_STAT("rx_fragments.nic", stats.rx_fragments),
130 ICE_PF_STAT("rx_oversize.nic", stats.rx_oversize),
131 ICE_PF_STAT("rx_jabber.nic", stats.rx_jabber),
132 ICE_PF_STAT("rx_csum_bad.nic", hw_csum_rx_error),
133 ICE_PF_STAT("rx_eipe_error.nic", hw_rx_eipe_error),
134 ICE_PF_STAT("rx_dropped.nic", stats.eth.rx_discards),
135 ICE_PF_STAT("rx_crc_errors.nic", stats.crc_errors),
136 ICE_PF_STAT("illegal_bytes.nic", stats.illegal_bytes),
137 ICE_PF_STAT("mac_local_faults.nic", stats.mac_local_faults),
138 ICE_PF_STAT("mac_remote_faults.nic", stats.mac_remote_faults),
139 ICE_PF_STAT("fdir_sb_match.nic", stats.fd_sb_match),
140 ICE_PF_STAT("fdir_sb_status.nic", stats.fd_sb_status),
141 ICE_PF_STAT("tx_hwtstamp_skipped", ptp.tx_hwtstamp_skipped),
142 ICE_PF_STAT("tx_hwtstamp_timeouts", ptp.tx_hwtstamp_timeouts),
143 ICE_PF_STAT("tx_hwtstamp_flushed", ptp.tx_hwtstamp_flushed),
144 ICE_PF_STAT("tx_hwtstamp_discarded", ptp.tx_hwtstamp_discarded),
145 ICE_PF_STAT("late_cached_phc_updates", ptp.late_cached_phc_updates),
146 };
147
148 static const u32 ice_regs_dump_list[] = {
149 PFGEN_STATE,
150 PRTGEN_STATUS,
151 QRX_CTRL(0),
152 QINT_TQCTL(0),
153 QINT_RQCTL(0),
154 PFINT_OICR_ENA,
155 QRX_ITR(0),
156 #define GLDCB_TLPM_PCI_DM 0x000A0180
157 GLDCB_TLPM_PCI_DM,
158 #define GLDCB_TLPM_TC2PFC 0x000A0194
159 GLDCB_TLPM_TC2PFC,
160 #define TCDCB_TLPM_WAIT_DM(_i) (0x000A0080 + ((_i) * 4))
161 TCDCB_TLPM_WAIT_DM(0),
162 TCDCB_TLPM_WAIT_DM(1),
163 TCDCB_TLPM_WAIT_DM(2),
164 TCDCB_TLPM_WAIT_DM(3),
165 TCDCB_TLPM_WAIT_DM(4),
166 TCDCB_TLPM_WAIT_DM(5),
167 TCDCB_TLPM_WAIT_DM(6),
168 TCDCB_TLPM_WAIT_DM(7),
169 TCDCB_TLPM_WAIT_DM(8),
170 TCDCB_TLPM_WAIT_DM(9),
171 TCDCB_TLPM_WAIT_DM(10),
172 TCDCB_TLPM_WAIT_DM(11),
173 TCDCB_TLPM_WAIT_DM(12),
174 TCDCB_TLPM_WAIT_DM(13),
175 TCDCB_TLPM_WAIT_DM(14),
176 TCDCB_TLPM_WAIT_DM(15),
177 TCDCB_TLPM_WAIT_DM(16),
178 TCDCB_TLPM_WAIT_DM(17),
179 TCDCB_TLPM_WAIT_DM(18),
180 TCDCB_TLPM_WAIT_DM(19),
181 TCDCB_TLPM_WAIT_DM(20),
182 TCDCB_TLPM_WAIT_DM(21),
183 TCDCB_TLPM_WAIT_DM(22),
184 TCDCB_TLPM_WAIT_DM(23),
185 TCDCB_TLPM_WAIT_DM(24),
186 TCDCB_TLPM_WAIT_DM(25),
187 TCDCB_TLPM_WAIT_DM(26),
188 TCDCB_TLPM_WAIT_DM(27),
189 TCDCB_TLPM_WAIT_DM(28),
190 TCDCB_TLPM_WAIT_DM(29),
191 TCDCB_TLPM_WAIT_DM(30),
192 TCDCB_TLPM_WAIT_DM(31),
193 #define GLPCI_WATMK_CLNT_PIPEMON 0x000BFD90
194 GLPCI_WATMK_CLNT_PIPEMON,
195 #define GLPCI_CUR_CLNT_COMMON 0x000BFD84
196 GLPCI_CUR_CLNT_COMMON,
197 #define GLPCI_CUR_CLNT_PIPEMON 0x000BFD88
198 GLPCI_CUR_CLNT_PIPEMON,
199 #define GLPCI_PCIERR 0x0009DEB0
200 GLPCI_PCIERR,
201 #define GLPSM_DEBUG_CTL_STATUS 0x000B0600
202 GLPSM_DEBUG_CTL_STATUS,
203 #define GLPSM0_DEBUG_FIFO_OVERFLOW_DETECT 0x000B0680
204 GLPSM0_DEBUG_FIFO_OVERFLOW_DETECT,
205 #define GLPSM0_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B0684
206 GLPSM0_DEBUG_FIFO_UNDERFLOW_DETECT,
207 #define GLPSM0_DEBUG_DT_OUT_OF_WINDOW 0x000B0688
208 GLPSM0_DEBUG_DT_OUT_OF_WINDOW,
209 #define GLPSM0_DEBUG_INTF_HW_ERROR_DETECT 0x000B069C
210 GLPSM0_DEBUG_INTF_HW_ERROR_DETECT,
211 #define GLPSM0_DEBUG_MISC_HW_ERROR_DETECT 0x000B06A0
212 GLPSM0_DEBUG_MISC_HW_ERROR_DETECT,
213 #define GLPSM1_DEBUG_FIFO_OVERFLOW_DETECT 0x000B0E80
214 GLPSM1_DEBUG_FIFO_OVERFLOW_DETECT,
215 #define GLPSM1_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B0E84
216 GLPSM1_DEBUG_FIFO_UNDERFLOW_DETECT,
217 #define GLPSM1_DEBUG_SRL_FIFO_OVERFLOW_DETECT 0x000B0E88
218 GLPSM1_DEBUG_SRL_FIFO_OVERFLOW_DETECT,
219 #define GLPSM1_DEBUG_SRL_FIFO_UNDERFLOW_DETECT 0x000B0E8C
220 GLPSM1_DEBUG_SRL_FIFO_UNDERFLOW_DETECT,
221 #define GLPSM1_DEBUG_MISC_HW_ERROR_DETECT 0x000B0E90
222 GLPSM1_DEBUG_MISC_HW_ERROR_DETECT,
223 #define GLPSM2_DEBUG_FIFO_OVERFLOW_DETECT 0x000B1680
224 GLPSM2_DEBUG_FIFO_OVERFLOW_DETECT,
225 #define GLPSM2_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B1684
226 GLPSM2_DEBUG_FIFO_UNDERFLOW_DETECT,
227 #define GLPSM2_DEBUG_MISC_HW_ERROR_DETECT 0x000B1688
228 GLPSM2_DEBUG_MISC_HW_ERROR_DETECT,
229 #define GLTDPU_TCLAN_COMP_BOB(_i) (0x00049ADC + ((_i) * 4))
230 GLTDPU_TCLAN_COMP_BOB(1),
231 GLTDPU_TCLAN_COMP_BOB(2),
232 GLTDPU_TCLAN_COMP_BOB(3),
233 GLTDPU_TCLAN_COMP_BOB(4),
234 GLTDPU_TCLAN_COMP_BOB(5),
235 GLTDPU_TCLAN_COMP_BOB(6),
236 GLTDPU_TCLAN_COMP_BOB(7),
237 GLTDPU_TCLAN_COMP_BOB(8),
238 #define GLTDPU_TCB_CMD_BOB(_i) (0x0004975C + ((_i) * 4))
239 GLTDPU_TCB_CMD_BOB(1),
240 GLTDPU_TCB_CMD_BOB(2),
241 GLTDPU_TCB_CMD_BOB(3),
242 GLTDPU_TCB_CMD_BOB(4),
243 GLTDPU_TCB_CMD_BOB(5),
244 GLTDPU_TCB_CMD_BOB(6),
245 GLTDPU_TCB_CMD_BOB(7),
246 GLTDPU_TCB_CMD_BOB(8),
247 #define GLTDPU_PSM_UPDATE_BOB(_i) (0x00049B5C + ((_i) * 4))
248 GLTDPU_PSM_UPDATE_BOB(1),
249 GLTDPU_PSM_UPDATE_BOB(2),
250 GLTDPU_PSM_UPDATE_BOB(3),
251 GLTDPU_PSM_UPDATE_BOB(4),
252 GLTDPU_PSM_UPDATE_BOB(5),
253 GLTDPU_PSM_UPDATE_BOB(6),
254 GLTDPU_PSM_UPDATE_BOB(7),
255 GLTDPU_PSM_UPDATE_BOB(8),
256 #define GLTCB_CMD_IN_BOB(_i) (0x000AE288 + ((_i) * 4))
257 GLTCB_CMD_IN_BOB(1),
258 GLTCB_CMD_IN_BOB(2),
259 GLTCB_CMD_IN_BOB(3),
260 GLTCB_CMD_IN_BOB(4),
261 GLTCB_CMD_IN_BOB(5),
262 GLTCB_CMD_IN_BOB(6),
263 GLTCB_CMD_IN_BOB(7),
264 GLTCB_CMD_IN_BOB(8),
265 #define GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(_i) (0x000FC148 + ((_i) * 4))
266 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(1),
267 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(2),
268 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(3),
269 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(4),
270 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(5),
271 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(6),
272 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(7),
273 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(8),
274 #define GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(_i) (0x000FC248 + ((_i) * 4))
275 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(1),
276 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(2),
277 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(3),
278 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(4),
279 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(5),
280 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(6),
281 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(7),
282 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(8),
283 #define GLLAN_TCLAN_CACHE_CTL_BOB_CTL(_i) (0x000FC1C8 + ((_i) * 4))
284 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(1),
285 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(2),
286 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(3),
287 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(4),
288 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(5),
289 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(6),
290 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(7),
291 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(8),
292 #define GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(_i) (0x000FC188 + ((_i) * 4))
293 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(1),
294 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(2),
295 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(3),
296 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(4),
297 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(5),
298 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(6),
299 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(7),
300 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(8),
301 #define GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(_i) (0x000FC288 + ((_i) * 4))
302 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(1),
303 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(2),
304 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(3),
305 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(4),
306 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(5),
307 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(6),
308 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(7),
309 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(8),
310 #define PRTDCB_TCUPM_REG_CM(_i) (0x000BC360 + ((_i) * 4))
311 PRTDCB_TCUPM_REG_CM(0),
312 PRTDCB_TCUPM_REG_CM(1),
313 PRTDCB_TCUPM_REG_CM(2),
314 PRTDCB_TCUPM_REG_CM(3),
315 #define PRTDCB_TCUPM_REG_DM(_i) (0x000BC3A0 + ((_i) * 4))
316 PRTDCB_TCUPM_REG_DM(0),
317 PRTDCB_TCUPM_REG_DM(1),
318 PRTDCB_TCUPM_REG_DM(2),
319 PRTDCB_TCUPM_REG_DM(3),
320 #define PRTDCB_TLPM_REG_DM(_i) (0x000A0000 + ((_i) * 4))
321 PRTDCB_TLPM_REG_DM(0),
322 PRTDCB_TLPM_REG_DM(1),
323 PRTDCB_TLPM_REG_DM(2),
324 PRTDCB_TLPM_REG_DM(3),
325 };
326
327 struct ice_priv_flag {
328 char name[ETH_GSTRING_LEN];
329 u32 bitno; /* bit position in pf->flags */
330 };
331
332 #define ICE_PRIV_FLAG(_name, _bitno) { \
333 .name = _name, \
334 .bitno = _bitno, \
335 }
336
337 static const struct ice_priv_flag ice_gstrings_priv_flags[] = {
338 ICE_PRIV_FLAG("link-down-on-close", ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA),
339 ICE_PRIV_FLAG("fw-lldp-agent", ICE_FLAG_FW_LLDP_AGENT),
340 ICE_PRIV_FLAG("vf-true-promisc-support",
341 ICE_FLAG_VF_TRUE_PROMISC_ENA),
342 ICE_PRIV_FLAG("mdd-auto-reset-vf", ICE_FLAG_MDD_AUTO_RESET_VF),
343 ICE_PRIV_FLAG("vf-vlan-pruning", ICE_FLAG_VF_VLAN_PRUNING),
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_pf *pf = ice_netdev_to_pf(netdev);
798 struct ice_hw *hw = &pf->hw;
799 u32 *regs_buf = (u32 *)p;
800 unsigned int i;
801
802 regs->version = 2;
803
804 for (i = 0; i < ARRAY_SIZE(ice_regs_dump_list); ++i)
805 regs_buf[i] = rd32(hw, ice_regs_dump_list[i]);
806
807 ice_get_extended_regs(netdev, (void *)®s_buf[i]);
808 }
809
ice_get_msglevel(struct net_device * netdev)810 static u32 ice_get_msglevel(struct net_device *netdev)
811 {
812 struct ice_pf *pf = ice_netdev_to_pf(netdev);
813
814 #ifndef CONFIG_DYNAMIC_DEBUG
815 if (pf->hw.debug_mask)
816 netdev_info(netdev, "hw debug_mask: 0x%llX\n",
817 pf->hw.debug_mask);
818 #endif /* !CONFIG_DYNAMIC_DEBUG */
819
820 return pf->msg_enable;
821 }
822
ice_set_msglevel(struct net_device * netdev,u32 data)823 static void ice_set_msglevel(struct net_device *netdev, u32 data)
824 {
825 struct ice_pf *pf = ice_netdev_to_pf(netdev);
826
827 #ifndef CONFIG_DYNAMIC_DEBUG
828 if (ICE_DBG_USER & data)
829 pf->hw.debug_mask = data;
830 else
831 pf->msg_enable = data;
832 #else
833 pf->msg_enable = data;
834 #endif /* !CONFIG_DYNAMIC_DEBUG */
835 }
836
ice_get_link_ext_stats(struct net_device * netdev,struct ethtool_link_ext_stats * stats)837 static void ice_get_link_ext_stats(struct net_device *netdev,
838 struct ethtool_link_ext_stats *stats)
839 {
840 struct ice_pf *pf = ice_netdev_to_pf(netdev);
841
842 stats->link_down_events = pf->link_down_events;
843 }
844
ice_get_eeprom_len(struct net_device * netdev)845 static int ice_get_eeprom_len(struct net_device *netdev)
846 {
847 struct ice_pf *pf = ice_netdev_to_pf(netdev);
848
849 return (int)pf->hw.flash.flash_size;
850 }
851
852 static int
ice_get_eeprom(struct net_device * netdev,struct ethtool_eeprom * eeprom,u8 * bytes)853 ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
854 u8 *bytes)
855 {
856 enum libie_aq_err read_aq_err = LIBIE_AQ_RC_OK;
857 struct ice_pf *pf = ice_netdev_to_pf(netdev);
858 struct ice_hw *hw = &pf->hw;
859 struct device *dev;
860 int ret;
861 u8 *buf;
862
863 dev = ice_pf_to_dev(pf);
864
865 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
866 netdev_dbg(netdev, "GEEPROM cmd 0x%08x, offset 0x%08x, len 0x%08x\n",
867 eeprom->cmd, eeprom->offset, eeprom->len);
868
869 buf = kzalloc(eeprom->len, GFP_KERNEL);
870 if (!buf)
871 return -ENOMEM;
872
873 ret = ice_read_flat_nvm(hw, eeprom->offset, &eeprom->len, buf,
874 false, &read_aq_err);
875 if (ret) {
876 dev_err(dev, "ice_read_flat_nvm failed, err %d aq_err %s\n",
877 ret, libie_aq_str(read_aq_err));
878 goto out;
879 }
880
881 memcpy(bytes, buf, eeprom->len);
882 out:
883 kfree(buf);
884 return ret;
885 }
886
887 /**
888 * ice_active_vfs - check if there are any active VFs
889 * @pf: board private structure
890 *
891 * Returns true if an active VF is found, otherwise returns false
892 */
ice_active_vfs(struct ice_pf * pf)893 static bool ice_active_vfs(struct ice_pf *pf)
894 {
895 bool active = false;
896 struct ice_vf *vf;
897 unsigned int bkt;
898
899 rcu_read_lock();
900 ice_for_each_vf_rcu(pf, bkt, vf) {
901 if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
902 active = true;
903 break;
904 }
905 }
906 rcu_read_unlock();
907
908 return active;
909 }
910
911 /**
912 * ice_link_test - perform a link test on a given net_device
913 * @netdev: network interface device structure
914 *
915 * This function performs one of the self-tests required by ethtool.
916 * Returns 0 on success, non-zero on failure.
917 */
ice_link_test(struct net_device * netdev)918 static u64 ice_link_test(struct net_device *netdev)
919 {
920 struct ice_netdev_priv *np = netdev_priv(netdev);
921 bool link_up = false;
922 int status;
923
924 netdev_info(netdev, "link test\n");
925 status = ice_get_link_status(np->vsi->port_info, &link_up);
926 if (status) {
927 netdev_err(netdev, "link query error, status = %d\n",
928 status);
929 return 1;
930 }
931
932 if (!link_up)
933 return 2;
934
935 return 0;
936 }
937
938 /**
939 * ice_eeprom_test - perform an EEPROM test on a given net_device
940 * @netdev: network interface device structure
941 *
942 * This function performs one of the self-tests required by ethtool.
943 * Returns 0 on success, non-zero on failure.
944 */
ice_eeprom_test(struct net_device * netdev)945 static u64 ice_eeprom_test(struct net_device *netdev)
946 {
947 struct ice_pf *pf = ice_netdev_to_pf(netdev);
948
949 netdev_info(netdev, "EEPROM test\n");
950 return !!(ice_nvm_validate_checksum(&pf->hw));
951 }
952
953 /**
954 * ice_reg_pattern_test
955 * @hw: pointer to the HW struct
956 * @reg: reg to be tested
957 * @mask: bits to be touched
958 */
ice_reg_pattern_test(struct ice_hw * hw,u32 reg,u32 mask)959 static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask)
960 {
961 struct ice_pf *pf = (struct ice_pf *)hw->back;
962 struct device *dev = ice_pf_to_dev(pf);
963 static const u32 patterns[] = {
964 0x5A5A5A5A, 0xA5A5A5A5,
965 0x00000000, 0xFFFFFFFF
966 };
967 u32 val, orig_val;
968 unsigned int i;
969
970 orig_val = rd32(hw, reg);
971 for (i = 0; i < ARRAY_SIZE(patterns); ++i) {
972 u32 pattern = patterns[i] & mask;
973
974 wr32(hw, reg, pattern);
975 val = rd32(hw, reg);
976 if (val == pattern)
977 continue;
978 dev_err(dev, "%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n"
979 , __func__, reg, pattern, val);
980 return 1;
981 }
982
983 wr32(hw, reg, orig_val);
984 val = rd32(hw, reg);
985 if (val != orig_val) {
986 dev_err(dev, "%s: reg restore test failed - reg 0x%08x orig 0x%08x val 0x%08x\n"
987 , __func__, reg, orig_val, val);
988 return 1;
989 }
990
991 return 0;
992 }
993
994 /**
995 * ice_reg_test - perform a register test on a given net_device
996 * @netdev: network interface device structure
997 *
998 * This function performs one of the self-tests required by ethtool.
999 * Returns 0 on success, non-zero on failure.
1000 */
ice_reg_test(struct net_device * netdev)1001 static u64 ice_reg_test(struct net_device *netdev)
1002 {
1003 struct ice_netdev_priv *np = netdev_priv(netdev);
1004 struct ice_hw *hw = np->vsi->port_info->hw;
1005 u32 int_elements = hw->func_caps.common_cap.num_msix_vectors ?
1006 hw->func_caps.common_cap.num_msix_vectors - 1 : 1;
1007 struct ice_diag_reg_test_info {
1008 u32 address;
1009 u32 mask;
1010 u32 elem_num;
1011 u32 elem_size;
1012 } ice_reg_list[] = {
1013 {GLINT_ITR(0, 0), 0x00000fff, int_elements,
1014 GLINT_ITR(0, 1) - GLINT_ITR(0, 0)},
1015 {GLINT_ITR(1, 0), 0x00000fff, int_elements,
1016 GLINT_ITR(1, 1) - GLINT_ITR(1, 0)},
1017 {GLINT_ITR(0, 0), 0x00000fff, int_elements,
1018 GLINT_ITR(2, 1) - GLINT_ITR(2, 0)},
1019 {GLINT_CTL, 0xffff0001, 1, 0}
1020 };
1021 unsigned int i;
1022
1023 netdev_dbg(netdev, "Register test\n");
1024 for (i = 0; i < ARRAY_SIZE(ice_reg_list); ++i) {
1025 u32 j;
1026
1027 for (j = 0; j < ice_reg_list[i].elem_num; ++j) {
1028 u32 mask = ice_reg_list[i].mask;
1029 u32 reg = ice_reg_list[i].address +
1030 (j * ice_reg_list[i].elem_size);
1031
1032 /* bail on failure (non-zero return) */
1033 if (ice_reg_pattern_test(hw, reg, mask))
1034 return 1;
1035 }
1036 }
1037
1038 return 0;
1039 }
1040
1041 /**
1042 * ice_lbtest_prepare_rings - configure Tx/Rx test rings
1043 * @vsi: pointer to the VSI structure
1044 *
1045 * Function configures rings of a VSI for loopback test without
1046 * enabling interrupts or informing the kernel about new queues.
1047 *
1048 * Returns 0 on success, negative on failure.
1049 */
ice_lbtest_prepare_rings(struct ice_vsi * vsi)1050 static int ice_lbtest_prepare_rings(struct ice_vsi *vsi)
1051 {
1052 int status;
1053
1054 status = ice_vsi_setup_tx_rings(vsi);
1055 if (status)
1056 goto err_setup_tx_ring;
1057
1058 status = ice_vsi_setup_rx_rings(vsi);
1059 if (status)
1060 goto err_setup_rx_ring;
1061
1062 status = ice_vsi_cfg_lan(vsi);
1063 if (status)
1064 goto err_cfg_lan;
1065
1066 status = ice_vsi_start_all_rx_rings(vsi);
1067 if (status)
1068 goto err_cfg_lan;
1069
1070 return 0;
1071
1072 err_cfg_lan:
1073 ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0);
1074 err_setup_rx_ring:
1075 ice_vsi_free_rx_rings(vsi);
1076 err_setup_tx_ring:
1077 ice_vsi_free_tx_rings(vsi);
1078
1079 return status;
1080 }
1081
1082 /**
1083 * ice_lbtest_disable_rings - disable Tx/Rx test rings after loopback test
1084 * @vsi: pointer to the VSI structure
1085 *
1086 * Function stops and frees VSI rings after a loopback test.
1087 * Returns 0 on success, negative on failure.
1088 */
ice_lbtest_disable_rings(struct ice_vsi * vsi)1089 static int ice_lbtest_disable_rings(struct ice_vsi *vsi)
1090 {
1091 int status;
1092
1093 status = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0);
1094 if (status)
1095 netdev_err(vsi->netdev, "Failed to stop Tx rings, VSI %d error %d\n",
1096 vsi->vsi_num, status);
1097
1098 status = ice_vsi_stop_all_rx_rings(vsi);
1099 if (status)
1100 netdev_err(vsi->netdev, "Failed to stop Rx rings, VSI %d error %d\n",
1101 vsi->vsi_num, status);
1102
1103 ice_vsi_free_tx_rings(vsi);
1104 ice_vsi_free_rx_rings(vsi);
1105
1106 return status;
1107 }
1108
1109 /**
1110 * ice_lbtest_create_frame - create test packet
1111 * @pf: pointer to the PF structure
1112 * @ret_data: allocated frame buffer
1113 * @size: size of the packet data
1114 *
1115 * Function allocates a frame with a test pattern on specific offsets.
1116 * Returns 0 on success, non-zero on failure.
1117 */
ice_lbtest_create_frame(struct ice_pf * pf,u8 ** ret_data,u16 size)1118 static int ice_lbtest_create_frame(struct ice_pf *pf, u8 **ret_data, u16 size)
1119 {
1120 u8 *data;
1121
1122 if (!pf)
1123 return -EINVAL;
1124
1125 data = kzalloc(size, GFP_KERNEL);
1126 if (!data)
1127 return -ENOMEM;
1128
1129 /* Since the ethernet test frame should always be at least
1130 * 64 bytes long, fill some octets in the payload with test data.
1131 */
1132 memset(data, 0xFF, size);
1133 data[32] = 0xDE;
1134 data[42] = 0xAD;
1135 data[44] = 0xBE;
1136 data[46] = 0xEF;
1137
1138 *ret_data = data;
1139
1140 return 0;
1141 }
1142
1143 /**
1144 * ice_lbtest_check_frame - verify received loopback frame
1145 * @frame: pointer to the raw packet data
1146 *
1147 * Function verifies received test frame with a pattern.
1148 * Returns true if frame matches the pattern, false otherwise.
1149 */
ice_lbtest_check_frame(u8 * frame)1150 static bool ice_lbtest_check_frame(u8 *frame)
1151 {
1152 /* Validate bytes of a frame under offsets chosen earlier */
1153 if (frame[32] == 0xDE &&
1154 frame[42] == 0xAD &&
1155 frame[44] == 0xBE &&
1156 frame[46] == 0xEF &&
1157 frame[48] == 0xFF)
1158 return true;
1159
1160 return false;
1161 }
1162
1163 /**
1164 * ice_diag_send - send test frames to the test ring
1165 * @tx_ring: pointer to the transmit ring
1166 * @data: pointer to the raw packet data
1167 * @size: size of the packet to send
1168 *
1169 * Function sends loopback packets on a test Tx ring.
1170 */
ice_diag_send(struct ice_tx_ring * tx_ring,u8 * data,u16 size)1171 static int ice_diag_send(struct ice_tx_ring *tx_ring, u8 *data, u16 size)
1172 {
1173 struct ice_tx_desc *tx_desc;
1174 struct ice_tx_buf *tx_buf;
1175 dma_addr_t dma;
1176 u64 td_cmd;
1177
1178 tx_desc = ICE_TX_DESC(tx_ring, tx_ring->next_to_use);
1179 tx_buf = &tx_ring->tx_buf[tx_ring->next_to_use];
1180
1181 dma = dma_map_single(tx_ring->dev, data, size, DMA_TO_DEVICE);
1182 if (dma_mapping_error(tx_ring->dev, dma))
1183 return -EINVAL;
1184
1185 tx_desc->buf_addr = cpu_to_le64(dma);
1186
1187 /* These flags are required for a descriptor to be pushed out */
1188 td_cmd = (u64)(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS);
1189 tx_desc->cmd_type_offset_bsz =
1190 cpu_to_le64(ICE_TX_DESC_DTYPE_DATA |
1191 (td_cmd << ICE_TXD_QW1_CMD_S) |
1192 ((u64)0 << ICE_TXD_QW1_OFFSET_S) |
1193 ((u64)size << ICE_TXD_QW1_TX_BUF_SZ_S) |
1194 ((u64)0 << ICE_TXD_QW1_L2TAG1_S));
1195
1196 tx_buf->next_to_watch = tx_desc;
1197
1198 /* Force memory write to complete before letting h/w know
1199 * there are new descriptors to fetch.
1200 */
1201 wmb();
1202
1203 tx_ring->next_to_use++;
1204 if (tx_ring->next_to_use >= tx_ring->count)
1205 tx_ring->next_to_use = 0;
1206
1207 writel_relaxed(tx_ring->next_to_use, tx_ring->tail);
1208
1209 /* Wait until the packets get transmitted to the receive queue. */
1210 usleep_range(1000, 2000);
1211 dma_unmap_single(tx_ring->dev, dma, size, DMA_TO_DEVICE);
1212
1213 return 0;
1214 }
1215
1216 #define ICE_LB_FRAME_SIZE 64
1217 /**
1218 * ice_lbtest_receive_frames - receive and verify test frames
1219 * @rx_ring: pointer to the receive ring
1220 *
1221 * Function receives loopback packets and verify their correctness.
1222 * Returns number of received valid frames.
1223 */
ice_lbtest_receive_frames(struct ice_rx_ring * rx_ring)1224 static int ice_lbtest_receive_frames(struct ice_rx_ring *rx_ring)
1225 {
1226 struct libeth_fqe *rx_buf;
1227 int valid_frames, i;
1228 struct page *page;
1229 u8 *received_buf;
1230
1231 valid_frames = 0;
1232
1233 for (i = 0; i < rx_ring->count; i++) {
1234 union ice_32b_rx_flex_desc *rx_desc;
1235
1236 rx_desc = ICE_RX_DESC(rx_ring, i);
1237
1238 if (!(rx_desc->wb.status_error0 &
1239 (cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_DD_S)) |
1240 cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_EOF_S)))))
1241 continue;
1242
1243 rx_buf = &rx_ring->rx_fqes[i];
1244 page = __netmem_to_page(rx_buf->netmem);
1245 received_buf = page_address(page) + rx_buf->offset +
1246 pp_page_to_nmdesc(page)->pp->p.offset;
1247
1248 if (ice_lbtest_check_frame(received_buf))
1249 valid_frames++;
1250 }
1251
1252 return valid_frames;
1253 }
1254
1255 /**
1256 * ice_loopback_test - perform a loopback test on a given net_device
1257 * @netdev: network interface device structure
1258 *
1259 * This function performs one of the self-tests required by ethtool.
1260 * Returns 0 on success, non-zero on failure.
1261 */
ice_loopback_test(struct net_device * netdev)1262 static u64 ice_loopback_test(struct net_device *netdev)
1263 {
1264 struct ice_pf *pf = ice_netdev_to_pf(netdev);
1265 struct ice_vsi *test_vsi;
1266 u8 *tx_frame __free(kfree) = NULL;
1267 u8 broadcast[ETH_ALEN], ret = 0;
1268 int num_frames, valid_frames;
1269 struct ice_tx_ring *tx_ring;
1270 struct ice_rx_ring *rx_ring;
1271 int i;
1272
1273 netdev_info(netdev, "loopback test\n");
1274
1275 test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info);
1276 if (!test_vsi) {
1277 netdev_err(netdev, "Failed to create a VSI for the loopback test\n");
1278 return 1;
1279 }
1280
1281 test_vsi->netdev = netdev;
1282 tx_ring = test_vsi->tx_rings[0];
1283 rx_ring = test_vsi->rx_rings[0];
1284 /* Dummy q_vector and napi. Fill the minimum required for
1285 * ice_rxq_pp_create().
1286 */
1287 rx_ring->q_vector->napi.dev = netdev;
1288
1289 if (ice_lbtest_prepare_rings(test_vsi)) {
1290 ret = 2;
1291 goto lbtest_vsi_close;
1292 }
1293
1294 if (ice_alloc_rx_bufs(rx_ring, rx_ring->count)) {
1295 ret = 3;
1296 goto lbtest_rings_dis;
1297 }
1298
1299 /* Enable MAC loopback in firmware */
1300 if (ice_aq_set_mac_loopback(&pf->hw, true, NULL)) {
1301 ret = 4;
1302 goto lbtest_mac_dis;
1303 }
1304
1305 /* Test VSI needs to receive broadcast packets */
1306 eth_broadcast_addr(broadcast);
1307 if (ice_fltr_add_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) {
1308 ret = 5;
1309 goto lbtest_mac_dis;
1310 }
1311
1312 if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) {
1313 ret = 7;
1314 goto remove_mac_filters;
1315 }
1316
1317 num_frames = min_t(int, tx_ring->count, 32);
1318 for (i = 0; i < num_frames; i++) {
1319 if (ice_diag_send(tx_ring, tx_frame, ICE_LB_FRAME_SIZE)) {
1320 ret = 8;
1321 goto remove_mac_filters;
1322 }
1323 }
1324
1325 valid_frames = ice_lbtest_receive_frames(rx_ring);
1326 if (!valid_frames)
1327 ret = 9;
1328 else if (valid_frames != num_frames)
1329 ret = 10;
1330
1331 remove_mac_filters:
1332 if (ice_fltr_remove_mac(test_vsi, broadcast, ICE_FWD_TO_VSI))
1333 netdev_err(netdev, "Could not remove MAC filter for the test VSI\n");
1334 lbtest_mac_dis:
1335 /* Disable MAC loopback after the test is completed. */
1336 if (ice_aq_set_mac_loopback(&pf->hw, false, NULL))
1337 netdev_err(netdev, "Could not disable MAC loopback\n");
1338 lbtest_rings_dis:
1339 if (ice_lbtest_disable_rings(test_vsi))
1340 netdev_err(netdev, "Could not disable test rings\n");
1341 lbtest_vsi_close:
1342 test_vsi->netdev = NULL;
1343 if (ice_vsi_release(test_vsi))
1344 netdev_err(netdev, "Failed to remove the test VSI\n");
1345
1346 return ret;
1347 }
1348
1349 /**
1350 * ice_intr_test - perform an interrupt test on a given net_device
1351 * @netdev: network interface device structure
1352 *
1353 * This function performs one of the self-tests required by ethtool.
1354 * Returns 0 on success, non-zero on failure.
1355 */
ice_intr_test(struct net_device * netdev)1356 static u64 ice_intr_test(struct net_device *netdev)
1357 {
1358 struct ice_pf *pf = ice_netdev_to_pf(netdev);
1359 u16 swic_old = pf->sw_int_count;
1360
1361 netdev_info(netdev, "interrupt test\n");
1362
1363 wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_irq.index),
1364 GLINT_DYN_CTL_SW_ITR_INDX_M |
1365 GLINT_DYN_CTL_INTENA_MSK_M |
1366 GLINT_DYN_CTL_SWINT_TRIG_M);
1367
1368 usleep_range(1000, 2000);
1369 return (swic_old == pf->sw_int_count);
1370 }
1371
1372 /**
1373 * ice_self_test - handler function for performing a self-test by ethtool
1374 * @netdev: network interface device structure
1375 * @eth_test: ethtool_test structure
1376 * @data: required by ethtool.self_test
1377 *
1378 * This function is called after invoking 'ethtool -t devname' command where
1379 * devname is the name of the network device on which ethtool should operate.
1380 * It performs a set of self-tests to check if a device works properly.
1381 */
1382 static void
ice_self_test(struct net_device * netdev,struct ethtool_test * eth_test,u64 * data)1383 ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test,
1384 u64 *data)
1385 {
1386 struct ice_pf *pf = ice_netdev_to_pf(netdev);
1387 bool if_running = netif_running(netdev);
1388 struct device *dev;
1389
1390 dev = ice_pf_to_dev(pf);
1391
1392 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1393 netdev_info(netdev, "offline testing starting\n");
1394
1395 set_bit(ICE_TESTING, pf->state);
1396
1397 if (ice_active_vfs(pf)) {
1398 dev_warn(dev, "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n");
1399 data[ICE_ETH_TEST_REG] = 1;
1400 data[ICE_ETH_TEST_EEPROM] = 1;
1401 data[ICE_ETH_TEST_INTR] = 1;
1402 data[ICE_ETH_TEST_LOOP] = 1;
1403 data[ICE_ETH_TEST_LINK] = 1;
1404 eth_test->flags |= ETH_TEST_FL_FAILED;
1405 clear_bit(ICE_TESTING, pf->state);
1406 goto skip_ol_tests;
1407 }
1408 /* If the device is online then take it offline */
1409 if (if_running)
1410 /* indicate we're in test mode */
1411 ice_stop(netdev);
1412
1413 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev);
1414 data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev);
1415 data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev);
1416 data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev);
1417 data[ICE_ETH_TEST_REG] = ice_reg_test(netdev);
1418
1419 if (data[ICE_ETH_TEST_LINK] ||
1420 data[ICE_ETH_TEST_EEPROM] ||
1421 data[ICE_ETH_TEST_LOOP] ||
1422 data[ICE_ETH_TEST_INTR] ||
1423 data[ICE_ETH_TEST_REG])
1424 eth_test->flags |= ETH_TEST_FL_FAILED;
1425
1426 clear_bit(ICE_TESTING, pf->state);
1427
1428 if (if_running) {
1429 int status = ice_open(netdev);
1430
1431 if (status) {
1432 dev_err(dev, "Could not open device %s, err %d\n",
1433 pf->int_name, status);
1434 }
1435 }
1436 } else {
1437 /* Online tests */
1438 netdev_info(netdev, "online testing starting\n");
1439
1440 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev);
1441 if (data[ICE_ETH_TEST_LINK])
1442 eth_test->flags |= ETH_TEST_FL_FAILED;
1443
1444 /* Offline only tests, not run in online; pass by default */
1445 data[ICE_ETH_TEST_REG] = 0;
1446 data[ICE_ETH_TEST_EEPROM] = 0;
1447 data[ICE_ETH_TEST_INTR] = 0;
1448 data[ICE_ETH_TEST_LOOP] = 0;
1449 }
1450
1451 skip_ol_tests:
1452 netdev_info(netdev, "testing finished\n");
1453 }
1454
1455 static void
__ice_get_strings(struct net_device * netdev,u32 stringset,u8 * data,struct ice_vsi * vsi)1456 __ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data,
1457 struct ice_vsi *vsi)
1458 {
1459 unsigned int i;
1460 u8 *p = data;
1461
1462 switch (stringset) {
1463 case ETH_SS_STATS:
1464 for (i = 0; i < ICE_VSI_STATS_LEN; i++)
1465 ethtool_puts(&p, ice_gstrings_vsi_stats[i].stat_string);
1466
1467 if (ice_is_port_repr_netdev(netdev))
1468 return;
1469
1470 ice_for_each_alloc_txq(vsi, i) {
1471 ethtool_sprintf(&p, "tx_queue_%u_packets", i);
1472 ethtool_sprintf(&p, "tx_queue_%u_bytes", i);
1473 }
1474
1475 ice_for_each_alloc_rxq(vsi, i) {
1476 ethtool_sprintf(&p, "rx_queue_%u_packets", i);
1477 ethtool_sprintf(&p, "rx_queue_%u_bytes", i);
1478 }
1479
1480 if (vsi->type != ICE_VSI_PF)
1481 return;
1482
1483 for (i = 0; i < ICE_PF_STATS_LEN; i++)
1484 ethtool_puts(&p, ice_gstrings_pf_stats[i].stat_string);
1485
1486 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
1487 ethtool_sprintf(&p, "tx_priority_%u_xon.nic", i);
1488 ethtool_sprintf(&p, "tx_priority_%u_xoff.nic", i);
1489 }
1490 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
1491 ethtool_sprintf(&p, "rx_priority_%u_xon.nic", i);
1492 ethtool_sprintf(&p, "rx_priority_%u_xoff.nic", i);
1493 }
1494 break;
1495 case ETH_SS_TEST:
1496 memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN);
1497 break;
1498 case ETH_SS_PRIV_FLAGS:
1499 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++)
1500 ethtool_puts(&p, ice_gstrings_priv_flags[i].name);
1501 break;
1502 default:
1503 break;
1504 }
1505 }
1506
ice_get_strings(struct net_device * netdev,u32 stringset,u8 * data)1507 static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
1508 {
1509 struct ice_netdev_priv *np = netdev_priv(netdev);
1510
1511 __ice_get_strings(netdev, stringset, data, np->vsi);
1512 }
1513
1514 static int
ice_set_phys_id(struct net_device * netdev,enum ethtool_phys_id_state state)1515 ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state)
1516 {
1517 struct ice_netdev_priv *np = netdev_priv(netdev);
1518 bool led_active;
1519
1520 switch (state) {
1521 case ETHTOOL_ID_ACTIVE:
1522 led_active = true;
1523 break;
1524 case ETHTOOL_ID_INACTIVE:
1525 led_active = false;
1526 break;
1527 default:
1528 return -EINVAL;
1529 }
1530
1531 if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL))
1532 return -EIO;
1533
1534 return 0;
1535 }
1536
1537 /**
1538 * ice_set_fec_cfg - Set link FEC options
1539 * @netdev: network interface device structure
1540 * @req_fec: FEC mode to configure
1541 */
ice_set_fec_cfg(struct net_device * netdev,enum ice_fec_mode req_fec)1542 static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec)
1543 {
1544 struct ice_netdev_priv *np = netdev_priv(netdev);
1545 struct ice_aqc_set_phy_cfg_data config = { 0 };
1546 struct ice_vsi *vsi = np->vsi;
1547 struct ice_port_info *pi;
1548
1549 pi = vsi->port_info;
1550 if (!pi)
1551 return -EOPNOTSUPP;
1552
1553 /* Changing the FEC parameters is not supported if not the PF VSI */
1554 if (vsi->type != ICE_VSI_PF) {
1555 netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n");
1556 return -EOPNOTSUPP;
1557 }
1558
1559 /* Proceed only if requesting different FEC mode */
1560 if (pi->phy.curr_user_fec_req == req_fec)
1561 return 0;
1562
1563 /* Copy the current user PHY configuration. The current user PHY
1564 * configuration is initialized during probe from PHY capabilities
1565 * software mode, and updated on set PHY configuration.
1566 */
1567 memcpy(&config, &pi->phy.curr_user_phy_cfg, sizeof(config));
1568
1569 ice_cfg_phy_fec(pi, &config, req_fec);
1570 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
1571
1572 if (ice_aq_set_phy_cfg(pi->hw, pi, &config, NULL))
1573 return -EAGAIN;
1574
1575 /* Save requested FEC config */
1576 pi->phy.curr_user_fec_req = req_fec;
1577
1578 return 0;
1579 }
1580
1581 /**
1582 * ice_set_fecparam - Set FEC link options
1583 * @netdev: network interface device structure
1584 * @fecparam: Ethtool structure to retrieve FEC parameters
1585 */
1586 static int
ice_set_fecparam(struct net_device * netdev,struct ethtool_fecparam * fecparam)1587 ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam)
1588 {
1589 struct ice_netdev_priv *np = netdev_priv(netdev);
1590 struct ice_vsi *vsi = np->vsi;
1591 enum ice_fec_mode fec;
1592
1593 switch (fecparam->fec) {
1594 case ETHTOOL_FEC_AUTO:
1595 fec = ICE_FEC_AUTO;
1596 break;
1597 case ETHTOOL_FEC_RS:
1598 fec = ICE_FEC_RS;
1599 break;
1600 case ETHTOOL_FEC_BASER:
1601 fec = ICE_FEC_BASER;
1602 break;
1603 case ETHTOOL_FEC_OFF:
1604 case ETHTOOL_FEC_NONE:
1605 fec = ICE_FEC_NONE;
1606 break;
1607 default:
1608 dev_warn(ice_pf_to_dev(vsi->back), "Unsupported FEC mode: %d\n",
1609 fecparam->fec);
1610 return -EINVAL;
1611 }
1612
1613 return ice_set_fec_cfg(netdev, fec);
1614 }
1615
1616 /**
1617 * ice_get_fecparam - Get link FEC options
1618 * @netdev: network interface device structure
1619 * @fecparam: Ethtool structure to retrieve FEC parameters
1620 */
1621 static int
ice_get_fecparam(struct net_device * netdev,struct ethtool_fecparam * fecparam)1622 ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam)
1623 {
1624 struct ice_netdev_priv *np = netdev_priv(netdev);
1625 struct ice_aqc_get_phy_caps_data *caps;
1626 struct ice_link_status *link_info;
1627 struct ice_vsi *vsi = np->vsi;
1628 struct ice_port_info *pi;
1629 int err;
1630
1631 pi = vsi->port_info;
1632
1633 if (!pi)
1634 return -EOPNOTSUPP;
1635 link_info = &pi->phy.link_info;
1636
1637 /* Set FEC mode based on negotiated link info */
1638 switch (link_info->fec_info) {
1639 case ICE_AQ_LINK_25G_KR_FEC_EN:
1640 fecparam->active_fec = ETHTOOL_FEC_BASER;
1641 break;
1642 case ICE_AQ_LINK_25G_RS_528_FEC_EN:
1643 case ICE_AQ_LINK_25G_RS_544_FEC_EN:
1644 fecparam->active_fec = ETHTOOL_FEC_RS;
1645 break;
1646 default:
1647 fecparam->active_fec = ETHTOOL_FEC_OFF;
1648 break;
1649 }
1650
1651 caps = kzalloc_obj(*caps);
1652 if (!caps)
1653 return -ENOMEM;
1654
1655 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA,
1656 caps, NULL);
1657 if (err)
1658 goto done;
1659
1660 /* Set supported/configured FEC modes based on PHY capability */
1661 if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC)
1662 fecparam->fec |= ETHTOOL_FEC_AUTO;
1663 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN ||
1664 caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ ||
1665 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN ||
1666 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ)
1667 fecparam->fec |= ETHTOOL_FEC_BASER;
1668 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ ||
1669 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ ||
1670 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN)
1671 fecparam->fec |= ETHTOOL_FEC_RS;
1672 if (caps->link_fec_options == 0)
1673 fecparam->fec |= ETHTOOL_FEC_OFF;
1674
1675 done:
1676 kfree(caps);
1677 return err;
1678 }
1679
1680 /**
1681 * ice_nway_reset - restart autonegotiation
1682 * @netdev: network interface device structure
1683 */
ice_nway_reset(struct net_device * netdev)1684 static int ice_nway_reset(struct net_device *netdev)
1685 {
1686 struct ice_netdev_priv *np = netdev_priv(netdev);
1687 struct ice_vsi *vsi = np->vsi;
1688 int err;
1689
1690 /* If VSI state is up, then restart autoneg with link up */
1691 if (!test_bit(ICE_DOWN, vsi->back->state))
1692 err = ice_set_link(vsi, true);
1693 else
1694 err = ice_set_link(vsi, false);
1695
1696 return err;
1697 }
1698
1699 /**
1700 * ice_get_priv_flags - report device private flags
1701 * @netdev: network interface device structure
1702 *
1703 * The get string set count and the string set should be matched for each
1704 * flag returned. Add new strings for each flag to the ice_gstrings_priv_flags
1705 * array.
1706 *
1707 * Returns a u32 bitmap of flags.
1708 */
ice_get_priv_flags(struct net_device * netdev)1709 static u32 ice_get_priv_flags(struct net_device *netdev)
1710 {
1711 struct ice_pf *pf = ice_netdev_to_pf(netdev);
1712 u32 i, ret_flags = 0;
1713
1714 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {
1715 const struct ice_priv_flag *priv_flag;
1716
1717 priv_flag = &ice_gstrings_priv_flags[i];
1718
1719 if (test_bit(priv_flag->bitno, pf->flags))
1720 ret_flags |= BIT(i);
1721 }
1722
1723 return ret_flags;
1724 }
1725
1726 /**
1727 * ice_set_priv_flags - set private flags
1728 * @netdev: network interface device structure
1729 * @flags: bit flags to be set
1730 */
ice_set_priv_flags(struct net_device * netdev,u32 flags)1731 static int ice_set_priv_flags(struct net_device *netdev, u32 flags)
1732 {
1733 struct ice_netdev_priv *np = netdev_priv(netdev);
1734 DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS);
1735 DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS);
1736 struct ice_vsi *vsi = np->vsi;
1737 struct ice_pf *pf = vsi->back;
1738 struct device *dev;
1739 int ret = 0;
1740 u32 i;
1741
1742 if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE))
1743 return -EINVAL;
1744
1745 dev = ice_pf_to_dev(pf);
1746 set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags);
1747
1748 bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS);
1749 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {
1750 const struct ice_priv_flag *priv_flag;
1751
1752 priv_flag = &ice_gstrings_priv_flags[i];
1753
1754 if (flags & BIT(i))
1755 set_bit(priv_flag->bitno, pf->flags);
1756 else
1757 clear_bit(priv_flag->bitno, pf->flags);
1758 }
1759
1760 bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS);
1761
1762 /* Do not allow change to link-down-on-close when Total Port Shutdown
1763 * is enabled.
1764 */
1765 if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, change_flags) &&
1766 test_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags)) {
1767 dev_err(dev, "Setting link-down-on-close not supported on this port\n");
1768 set_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags);
1769 ret = -EINVAL;
1770 goto ethtool_exit;
1771 }
1772
1773 if (test_bit(ICE_FLAG_FW_LLDP_AGENT, change_flags)) {
1774 if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) {
1775 int status;
1776
1777 /* Disable FW LLDP engine */
1778 status = ice_cfg_lldp_mib_change(&pf->hw, false);
1779
1780 /* If unregistering for LLDP events fails, this is
1781 * not an error state, as there shouldn't be any
1782 * events to respond to.
1783 */
1784 if (status)
1785 dev_info(dev, "Failed to unreg for LLDP events\n");
1786
1787 /* The AQ call to stop the FW LLDP agent will generate
1788 * an error if the agent is already stopped.
1789 */
1790 status = ice_aq_stop_lldp(&pf->hw, true, true, NULL);
1791 if (status)
1792 dev_warn(dev, "Fail to stop LLDP agent\n");
1793 /* Use case for having the FW LLDP agent stopped
1794 * will likely not need DCB, so failure to init is
1795 * not a concern of ethtool
1796 */
1797 status = ice_init_pf_dcb(pf, true);
1798 if (status)
1799 dev_warn(dev, "Fail to init DCB\n");
1800
1801 pf->dcbx_cap &= ~DCB_CAP_DCBX_LLD_MANAGED;
1802 pf->dcbx_cap |= DCB_CAP_DCBX_HOST;
1803 } else {
1804 bool dcbx_agent_status;
1805 int status;
1806
1807 if (ice_get_pfc_mode(pf) == ICE_QOS_MODE_DSCP) {
1808 clear_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags);
1809 dev_err(dev, "QoS in L3 DSCP mode, FW Agent not allowed to start\n");
1810 ret = -EOPNOTSUPP;
1811 goto ethtool_exit;
1812 }
1813
1814 /* Remove rule to direct LLDP packets to default VSI.
1815 * The FW LLDP engine will now be consuming them.
1816 */
1817 ice_cfg_sw_rx_lldp(vsi->back, false);
1818
1819 /* AQ command to start FW LLDP agent will return an
1820 * error if the agent is already started
1821 */
1822 status = ice_aq_start_lldp(&pf->hw, true, NULL);
1823 if (status)
1824 dev_warn(dev, "Fail to start LLDP Agent\n");
1825
1826 /* AQ command to start FW DCBX agent will fail if
1827 * the agent is already started
1828 */
1829 status = ice_aq_start_stop_dcbx(&pf->hw, true,
1830 &dcbx_agent_status,
1831 NULL);
1832 if (status)
1833 dev_dbg(dev, "Failed to start FW DCBX\n");
1834
1835 dev_info(dev, "FW DCBX agent is %s\n",
1836 dcbx_agent_status ? "ACTIVE" : "DISABLED");
1837
1838 /* Failure to configure MIB change or init DCB is not
1839 * relevant to ethtool. Print notification that
1840 * registration/init failed but do not return error
1841 * state to ethtool
1842 */
1843 status = ice_init_pf_dcb(pf, true);
1844 if (status)
1845 dev_dbg(dev, "Fail to init DCB\n");
1846
1847 /* Register for MIB change events */
1848 status = ice_cfg_lldp_mib_change(&pf->hw, true);
1849 if (status)
1850 dev_dbg(dev, "Fail to enable MIB change events\n");
1851
1852 pf->dcbx_cap &= ~DCB_CAP_DCBX_HOST;
1853 pf->dcbx_cap |= DCB_CAP_DCBX_LLD_MANAGED;
1854
1855 ice_nway_reset(netdev);
1856 }
1857 }
1858 /* don't allow modification of this flag when a single VF is in
1859 * promiscuous mode because it's not supported
1860 */
1861 if (test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, change_flags) &&
1862 ice_is_any_vf_in_unicast_promisc(pf)) {
1863 dev_err(dev, "Changing vf-true-promisc-support flag while VF(s) are in promiscuous mode not supported\n");
1864 /* toggle bit back to previous state */
1865 change_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags);
1866 ret = -EAGAIN;
1867 }
1868
1869 if (test_bit(ICE_FLAG_VF_VLAN_PRUNING, change_flags) &&
1870 ice_has_vfs(pf)) {
1871 dev_err(dev, "vf-vlan-pruning: VLAN pruning cannot be changed while VFs are active.\n");
1872 /* toggle bit back to previous state */
1873 change_bit(ICE_FLAG_VF_VLAN_PRUNING, pf->flags);
1874 ret = -EOPNOTSUPP;
1875 }
1876 ethtool_exit:
1877 clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags);
1878 return ret;
1879 }
1880
ice_get_sset_count(struct net_device * netdev,int sset)1881 static int ice_get_sset_count(struct net_device *netdev, int sset)
1882 {
1883 switch (sset) {
1884 case ETH_SS_STATS:
1885 /* The number (and order) of strings reported *must* remain
1886 * constant for a given netdevice. This function must not
1887 * report a different number based on run time parameters
1888 * (such as the number of queues in use, or the setting of
1889 * a private ethtool flag). This is due to the nature of the
1890 * ethtool stats API.
1891 *
1892 * Userspace programs such as ethtool must make 3 separate
1893 * ioctl requests, one for size, one for the strings, and
1894 * finally one for the stats. Since these cross into
1895 * userspace, changes to the number or size could result in
1896 * undefined memory access or incorrect string<->value
1897 * correlations for statistics.
1898 *
1899 * Even if it appears to be safe, changes to the size or
1900 * order of strings will suffer from race conditions and are
1901 * not safe.
1902 */
1903 return ICE_ALL_STATS_LEN(netdev);
1904 case ETH_SS_TEST:
1905 return ICE_TEST_LEN;
1906 case ETH_SS_PRIV_FLAGS:
1907 return ICE_PRIV_FLAG_ARRAY_SIZE;
1908 default:
1909 return -EOPNOTSUPP;
1910 }
1911 }
1912
1913 static void
__ice_get_ethtool_stats(struct net_device * netdev,struct ethtool_stats __always_unused * stats,u64 * data,struct ice_vsi * vsi)1914 __ice_get_ethtool_stats(struct net_device *netdev,
1915 struct ethtool_stats __always_unused *stats, u64 *data,
1916 struct ice_vsi *vsi)
1917 {
1918 struct ice_pf *pf = vsi->back;
1919 struct ice_tx_ring *tx_ring;
1920 struct ice_rx_ring *rx_ring;
1921 unsigned int j;
1922 int i = 0;
1923 char *p;
1924
1925 if (ice_is_port_repr_netdev(netdev)) {
1926 ice_update_eth_stats(vsi);
1927
1928 for (j = 0; j < ICE_VSI_STATS_LEN; j++) {
1929 p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset;
1930 data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat ==
1931 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1932 }
1933 return;
1934 }
1935
1936 ice_update_pf_stats(pf);
1937 ice_update_vsi_stats(vsi);
1938
1939 for (j = 0; j < ICE_VSI_STATS_LEN; j++) {
1940 p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset;
1941 data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat ==
1942 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1943 }
1944
1945 /* populate per queue stats */
1946 rcu_read_lock();
1947
1948 ice_for_each_alloc_txq(vsi, j) {
1949 u64 pkts, bytes;
1950
1951 tx_ring = READ_ONCE(vsi->tx_rings[j]);
1952 if (!tx_ring || !tx_ring->ring_stats) {
1953 data[i++] = 0;
1954 data[i++] = 0;
1955 continue;
1956 }
1957
1958 ice_fetch_tx_ring_stats(tx_ring, &pkts, &bytes);
1959
1960 data[i++] = pkts;
1961 data[i++] = bytes;
1962 }
1963
1964 ice_for_each_alloc_rxq(vsi, j) {
1965 u64 pkts, bytes;
1966
1967 rx_ring = READ_ONCE(vsi->rx_rings[j]);
1968 if (!rx_ring || !rx_ring->ring_stats) {
1969 data[i++] = 0;
1970 data[i++] = 0;
1971 continue;
1972 }
1973
1974 ice_fetch_rx_ring_stats(rx_ring, &pkts, &bytes);
1975
1976 data[i++] = pkts;
1977 data[i++] = bytes;
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_obj(*caps);
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_obj(*phy_caps);
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_rx_ring_count - get RX ring count
3102 * @netdev: network interface device structure
3103 *
3104 * Return: number of RX rings.
3105 */
ice_get_rx_ring_count(struct net_device * netdev)3106 static u32 ice_get_rx_ring_count(struct net_device *netdev)
3107 {
3108 struct ice_netdev_priv *np = netdev_priv(netdev);
3109 struct ice_vsi *vsi = np->vsi;
3110
3111 return vsi->rss_size;
3112 }
3113
3114 /**
3115 * ice_get_rxnfc - command to get Rx flow classification rules
3116 * @netdev: network interface device structure
3117 * @cmd: ethtool rxnfc command
3118 * @rule_locs: buffer to rturn Rx flow classification rules
3119 *
3120 * Returns Success if the command is supported.
3121 */
3122 static int
ice_get_rxnfc(struct net_device * netdev,struct ethtool_rxnfc * cmd,u32 __always_unused * rule_locs)3123 ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
3124 u32 __always_unused *rule_locs)
3125 {
3126 struct ice_netdev_priv *np = netdev_priv(netdev);
3127 struct ice_vsi *vsi = np->vsi;
3128 int ret = -EOPNOTSUPP;
3129 struct ice_hw *hw;
3130
3131 hw = &vsi->back->hw;
3132
3133 switch (cmd->cmd) {
3134 case ETHTOOL_GRXCLSRLCNT:
3135 cmd->rule_cnt = hw->fdir_active_fltr;
3136 /* report total rule count */
3137 cmd->data = ice_get_fdir_cnt_all(hw);
3138 ret = 0;
3139 break;
3140 case ETHTOOL_GRXCLSRULE:
3141 ret = ice_get_ethtool_fdir_entry(hw, cmd);
3142 break;
3143 case ETHTOOL_GRXCLSRLALL:
3144 ret = ice_get_fdir_fltr_ids(hw, cmd, (u32 *)rule_locs);
3145 break;
3146 default:
3147 break;
3148 }
3149
3150 return ret;
3151 }
3152
3153 static void
ice_get_ringparam(struct net_device * netdev,struct ethtool_ringparam * ring,struct kernel_ethtool_ringparam * kernel_ring,struct netlink_ext_ack * extack)3154 ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring,
3155 struct kernel_ethtool_ringparam *kernel_ring,
3156 struct netlink_ext_ack *extack)
3157 {
3158 struct ice_netdev_priv *np = netdev_priv(netdev);
3159 struct ice_vsi *vsi = np->vsi;
3160 struct ice_hw *hw;
3161
3162 hw = &vsi->back->hw;
3163 ring->rx_max_pending = ICE_MAX_NUM_DESC_BY_MAC(hw);
3164 ring->tx_max_pending = ICE_MAX_NUM_DESC_BY_MAC(hw);
3165 if (vsi->tx_rings && vsi->rx_rings) {
3166 ring->rx_pending = vsi->rx_rings[0]->count;
3167 ring->tx_pending = vsi->tx_rings[0]->count;
3168 } else {
3169 ring->rx_pending = 0;
3170 ring->tx_pending = 0;
3171 }
3172
3173 /* Rx mini and jumbo rings are not supported */
3174 ring->rx_mini_max_pending = 0;
3175 ring->rx_jumbo_max_pending = 0;
3176 ring->rx_mini_pending = 0;
3177 ring->rx_jumbo_pending = 0;
3178
3179 kernel_ring->tcp_data_split = vsi->hsplit ?
3180 ETHTOOL_TCP_DATA_SPLIT_ENABLED :
3181 ETHTOOL_TCP_DATA_SPLIT_DISABLED;
3182 }
3183
3184 static int
ice_set_ringparam(struct net_device * netdev,struct ethtool_ringparam * ring,struct kernel_ethtool_ringparam * kernel_ring,struct netlink_ext_ack * extack)3185 ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring,
3186 struct kernel_ethtool_ringparam *kernel_ring,
3187 struct netlink_ext_ack *extack)
3188 {
3189 struct ice_netdev_priv *np = netdev_priv(netdev);
3190 struct ice_tx_ring *xdp_rings = NULL;
3191 struct ice_tx_ring *tx_rings = NULL;
3192 struct ice_rx_ring *rx_rings = NULL;
3193 struct ice_vsi *vsi = np->vsi;
3194 struct ice_pf *pf = vsi->back;
3195 int i, timeout = 50, err = 0;
3196 struct ice_hw *hw = &pf->hw;
3197 u16 new_rx_cnt, new_tx_cnt;
3198 bool hsplit;
3199
3200 if (ring->tx_pending > ICE_MAX_NUM_DESC_BY_MAC(hw) ||
3201 ring->tx_pending < ICE_MIN_NUM_DESC ||
3202 ring->rx_pending > ICE_MAX_NUM_DESC_BY_MAC(hw) ||
3203 ring->rx_pending < ICE_MIN_NUM_DESC) {
3204 netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n",
3205 ring->tx_pending, ring->rx_pending,
3206 ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC_BY_MAC(hw),
3207 ICE_REQ_DESC_MULTIPLE);
3208 return -EINVAL;
3209 }
3210
3211 /* Return if there is no rings (device is reloading) */
3212 if (!vsi->tx_rings || !vsi->rx_rings)
3213 return -EBUSY;
3214
3215 new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE);
3216 if (new_tx_cnt != ring->tx_pending)
3217 netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n",
3218 new_tx_cnt);
3219 new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE);
3220 if (new_rx_cnt != ring->rx_pending)
3221 netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n",
3222 new_rx_cnt);
3223
3224 hsplit = kernel_ring->tcp_data_split == ETHTOOL_TCP_DATA_SPLIT_ENABLED;
3225
3226 /* if nothing to do return success */
3227 if (new_tx_cnt == vsi->tx_rings[0]->count &&
3228 new_rx_cnt == vsi->rx_rings[0]->count &&
3229 hsplit == vsi->hsplit) {
3230 netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n");
3231 return 0;
3232 }
3233
3234 /* If there is a AF_XDP UMEM attached to any of Rx rings,
3235 * disallow changing the number of descriptors -- regardless
3236 * if the netdev is running or not.
3237 */
3238 if (ice_xsk_any_rx_ring_ena(vsi))
3239 return -EBUSY;
3240
3241 while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) {
3242 timeout--;
3243 if (!timeout)
3244 return -EBUSY;
3245 usleep_range(1000, 2000);
3246 }
3247
3248 /* set for the next time the netdev is started */
3249 if (!netif_running(vsi->netdev)) {
3250 ice_for_each_alloc_txq(vsi, i)
3251 vsi->tx_rings[i]->count = new_tx_cnt;
3252 ice_for_each_alloc_rxq(vsi, i)
3253 vsi->rx_rings[i]->count = new_rx_cnt;
3254 if (ice_is_xdp_ena_vsi(vsi))
3255 ice_for_each_xdp_txq(vsi, i)
3256 vsi->xdp_rings[i]->count = new_tx_cnt;
3257 vsi->num_tx_desc = (u16)new_tx_cnt;
3258 vsi->num_rx_desc = (u16)new_rx_cnt;
3259 vsi->hsplit = hsplit;
3260
3261 netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n");
3262 goto done;
3263 }
3264
3265 if (new_tx_cnt == vsi->tx_rings[0]->count)
3266 goto process_rx;
3267
3268 /* alloc updated Tx resources */
3269 netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n",
3270 vsi->tx_rings[0]->count, new_tx_cnt);
3271
3272 tx_rings = kzalloc_objs(*tx_rings, vsi->num_txq);
3273 if (!tx_rings) {
3274 err = -ENOMEM;
3275 goto done;
3276 }
3277
3278 ice_for_each_txq(vsi, i) {
3279 /* clone ring and setup updated count */
3280 tx_rings[i] = *vsi->tx_rings[i];
3281 tx_rings[i].count = new_tx_cnt;
3282 tx_rings[i].desc = NULL;
3283 tx_rings[i].tx_buf = NULL;
3284 tx_rings[i].tstamp_ring = NULL;
3285 clear_bit(ICE_TX_RING_FLAGS_TXTIME, tx_rings[i].flags);
3286 tx_rings[i].tx_tstamps = &pf->ptp.port.tx;
3287 err = ice_setup_tx_ring(&tx_rings[i]);
3288 if (err) {
3289 while (i--)
3290 ice_clean_tx_ring(&tx_rings[i]);
3291 kfree(tx_rings);
3292 goto done;
3293 }
3294 }
3295
3296 if (!ice_is_xdp_ena_vsi(vsi))
3297 goto process_rx;
3298
3299 /* alloc updated XDP resources */
3300 netdev_info(netdev, "Changing XDP descriptor count from %d to %d\n",
3301 vsi->xdp_rings[0]->count, new_tx_cnt);
3302
3303 xdp_rings = kzalloc_objs(*xdp_rings, vsi->num_xdp_txq);
3304 if (!xdp_rings) {
3305 err = -ENOMEM;
3306 goto free_tx;
3307 }
3308
3309 ice_for_each_xdp_txq(vsi, i) {
3310 /* clone ring and setup updated count */
3311 xdp_rings[i] = *vsi->xdp_rings[i];
3312 xdp_rings[i].count = new_tx_cnt;
3313 xdp_rings[i].desc = NULL;
3314 xdp_rings[i].tx_buf = NULL;
3315 err = ice_setup_tx_ring(&xdp_rings[i]);
3316 if (err) {
3317 while (i--)
3318 ice_clean_tx_ring(&xdp_rings[i]);
3319 kfree(xdp_rings);
3320 goto free_tx;
3321 }
3322 ice_set_ring_xdp(&xdp_rings[i]);
3323 }
3324
3325 process_rx:
3326 if (new_rx_cnt == vsi->rx_rings[0]->count)
3327 goto process_link;
3328
3329 /* alloc updated Rx resources */
3330 netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n",
3331 vsi->rx_rings[0]->count, new_rx_cnt);
3332
3333 rx_rings = kzalloc_objs(*rx_rings, vsi->num_rxq);
3334 if (!rx_rings) {
3335 err = -ENOMEM;
3336 goto free_xdp;
3337 }
3338
3339 ice_for_each_rxq(vsi, i) {
3340 /* clone ring and setup updated count */
3341 rx_rings[i] = *vsi->rx_rings[i];
3342 rx_rings[i].count = new_rx_cnt;
3343 rx_rings[i].cached_phctime = pf->ptp.cached_phc_time;
3344 rx_rings[i].desc = NULL;
3345 rx_rings[i].xdp_buf = NULL;
3346 rx_rings[i].xdp_rxq = (struct xdp_rxq_info){ };
3347
3348 /* this is to allow wr32 to have something to write to
3349 * during early allocation of Rx buffers
3350 */
3351 rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS;
3352
3353 err = ice_setup_rx_ring(&rx_rings[i]);
3354 if (err)
3355 goto rx_unwind;
3356 rx_unwind:
3357 if (err) {
3358 while (i) {
3359 i--;
3360 ice_free_rx_ring(&rx_rings[i]);
3361 }
3362 kfree(rx_rings);
3363 err = -ENOMEM;
3364 goto free_xdp;
3365 }
3366 }
3367
3368 process_link:
3369 vsi->hsplit = hsplit;
3370
3371 /* Bring interface down, copy in the new ring info, then restore the
3372 * interface. if VSI is up, bring it down and then back up
3373 */
3374 if (!test_and_set_bit(ICE_VSI_DOWN, vsi->state)) {
3375 ice_down(vsi);
3376
3377 if (tx_rings) {
3378 ice_for_each_txq(vsi, i) {
3379 ice_free_tx_ring(vsi->tx_rings[i]);
3380 *vsi->tx_rings[i] = tx_rings[i];
3381 }
3382 kfree(tx_rings);
3383 }
3384
3385 if (rx_rings) {
3386 ice_for_each_rxq(vsi, i) {
3387 ice_free_rx_ring(vsi->rx_rings[i]);
3388 /* copy the real tail offset */
3389 rx_rings[i].tail = vsi->rx_rings[i]->tail;
3390 /* this is to fake out the allocation routine
3391 * into thinking it has to realloc everything
3392 * but the recycling logic will let us re-use
3393 * the buffers allocated above
3394 */
3395 rx_rings[i].next_to_use = 0;
3396 rx_rings[i].next_to_clean = 0;
3397 *vsi->rx_rings[i] = rx_rings[i];
3398 }
3399 kfree(rx_rings);
3400 }
3401
3402 if (xdp_rings) {
3403 ice_for_each_xdp_txq(vsi, i) {
3404 ice_free_tx_ring(vsi->xdp_rings[i]);
3405 *vsi->xdp_rings[i] = xdp_rings[i];
3406 }
3407 kfree(xdp_rings);
3408 }
3409
3410 vsi->num_tx_desc = new_tx_cnt;
3411 vsi->num_rx_desc = new_rx_cnt;
3412 ice_up(vsi);
3413 }
3414 goto done;
3415
3416 free_xdp:
3417 if (xdp_rings) {
3418 ice_for_each_xdp_txq(vsi, i)
3419 ice_free_tx_ring(&xdp_rings[i]);
3420 kfree(xdp_rings);
3421 }
3422
3423 free_tx:
3424 /* error cleanup if the Rx allocations failed after getting Tx */
3425 if (tx_rings) {
3426 ice_for_each_txq(vsi, i)
3427 ice_free_tx_ring(&tx_rings[i]);
3428 kfree(tx_rings);
3429 }
3430
3431 done:
3432 clear_bit(ICE_CFG_BUSY, pf->state);
3433 return err;
3434 }
3435
3436 /**
3437 * ice_get_pauseparam - Get Flow Control status
3438 * @netdev: network interface device structure
3439 * @pause: ethernet pause (flow control) parameters
3440 *
3441 * Get requested flow control status from PHY capability.
3442 * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which
3443 * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report
3444 * the negotiated Rx/Tx pause via lp_advertising.
3445 */
3446 static void
ice_get_pauseparam(struct net_device * netdev,struct ethtool_pauseparam * pause)3447 ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
3448 {
3449 struct ice_netdev_priv *np = netdev_priv(netdev);
3450 struct ice_port_info *pi = np->vsi->port_info;
3451 struct ice_aqc_get_phy_caps_data *pcaps;
3452 struct ice_dcbx_cfg *dcbx_cfg;
3453 int status;
3454
3455 /* Initialize pause params */
3456 pause->rx_pause = 0;
3457 pause->tx_pause = 0;
3458
3459 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg;
3460
3461 pcaps = kzalloc_obj(*pcaps);
3462 if (!pcaps)
3463 return;
3464
3465 /* Get current PHY config */
3466 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps,
3467 NULL);
3468 if (status)
3469 goto out;
3470
3471 pause->autoneg = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE :
3472 AUTONEG_DISABLE;
3473
3474 if (dcbx_cfg->pfc.pfcena)
3475 /* PFC enabled so report LFC as off */
3476 goto out;
3477
3478 if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE)
3479 pause->tx_pause = 1;
3480 if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)
3481 pause->rx_pause = 1;
3482
3483 out:
3484 kfree(pcaps);
3485 }
3486
3487 /**
3488 * ice_set_pauseparam - Set Flow Control parameter
3489 * @netdev: network interface device structure
3490 * @pause: return Tx/Rx flow control status
3491 */
3492 static int
ice_set_pauseparam(struct net_device * netdev,struct ethtool_pauseparam * pause)3493 ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
3494 {
3495 struct ice_netdev_priv *np = netdev_priv(netdev);
3496 struct ice_aqc_get_phy_caps_data *pcaps;
3497 struct ice_link_status *hw_link_info;
3498 struct ice_pf *pf = np->vsi->back;
3499 struct ice_dcbx_cfg *dcbx_cfg;
3500 struct ice_vsi *vsi = np->vsi;
3501 struct ice_hw *hw = &pf->hw;
3502 struct ice_port_info *pi;
3503 u8 aq_failures = 0;
3504 bool link_up;
3505 u32 is_an;
3506 int err;
3507
3508 pi = vsi->port_info;
3509 hw_link_info = &pi->phy.link_info;
3510 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg;
3511 link_up = hw_link_info->link_info & ICE_AQ_LINK_UP;
3512
3513 /* Changing the port's flow control is not supported if this isn't the
3514 * PF VSI
3515 */
3516 if (vsi->type != ICE_VSI_PF) {
3517 netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n");
3518 return -EOPNOTSUPP;
3519 }
3520
3521 /* Get pause param reports configured and negotiated flow control pause
3522 * when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is
3523 * defined get pause param pause->autoneg reports SW configured setting,
3524 * so compare pause->autoneg with SW configured to prevent the user from
3525 * using set pause param to chance autoneg.
3526 */
3527 pcaps = kzalloc_obj(*pcaps);
3528 if (!pcaps)
3529 return -ENOMEM;
3530
3531 /* Get current PHY config */
3532 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps,
3533 NULL);
3534 if (err) {
3535 kfree(pcaps);
3536 return err;
3537 }
3538
3539 is_an = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE :
3540 AUTONEG_DISABLE;
3541
3542 kfree(pcaps);
3543
3544 if (pause->autoneg != is_an) {
3545 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");
3546 return -EOPNOTSUPP;
3547 }
3548
3549 /* If we have link and don't have autoneg */
3550 if (!test_bit(ICE_DOWN, pf->state) &&
3551 !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) {
3552 /* Send message that it might not necessarily work*/
3553 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n");
3554 }
3555
3556 if (dcbx_cfg->pfc.pfcena) {
3557 netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n");
3558 return -EOPNOTSUPP;
3559 }
3560 if (pause->rx_pause && pause->tx_pause)
3561 pi->fc.req_mode = ICE_FC_FULL;
3562 else if (pause->rx_pause && !pause->tx_pause)
3563 pi->fc.req_mode = ICE_FC_RX_PAUSE;
3564 else if (!pause->rx_pause && pause->tx_pause)
3565 pi->fc.req_mode = ICE_FC_TX_PAUSE;
3566 else if (!pause->rx_pause && !pause->tx_pause)
3567 pi->fc.req_mode = ICE_FC_NONE;
3568 else
3569 return -EINVAL;
3570
3571 /* Set the FC mode and only restart AN if link is up */
3572 err = ice_set_fc(pi, &aq_failures, link_up);
3573
3574 switch (aq_failures) {
3575 case ICE_SET_FC_AQ_FAIL_GET:
3576 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %d aq_err %s\n",
3577 err, libie_aq_str(hw->adminq.sq_last_status));
3578 err = -EAGAIN;
3579 break;
3580 case ICE_SET_FC_AQ_FAIL_SET:
3581 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %d aq_err %s\n",
3582 err, libie_aq_str(hw->adminq.sq_last_status));
3583 err = -EAGAIN;
3584 break;
3585 case ICE_SET_FC_AQ_FAIL_UPDATE:
3586 netdev_info(netdev, "Set fc failed on the get_link_info call with err %d aq_err %s\n",
3587 err, libie_aq_str(hw->adminq.sq_last_status));
3588 err = -EAGAIN;
3589 break;
3590 }
3591
3592 return err;
3593 }
3594
3595 /**
3596 * ice_get_rxfh_key_size - get the RSS hash key size
3597 * @netdev: network interface device structure
3598 *
3599 * Returns the table size.
3600 */
ice_get_rxfh_key_size(struct net_device __always_unused * netdev)3601 static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev)
3602 {
3603 return ICE_VSIQF_HKEY_ARRAY_SIZE;
3604 }
3605
3606 /**
3607 * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size
3608 * @netdev: network interface device structure
3609 *
3610 * Returns the table size.
3611 */
ice_get_rxfh_indir_size(struct net_device * netdev)3612 static u32 ice_get_rxfh_indir_size(struct net_device *netdev)
3613 {
3614 struct ice_netdev_priv *np = netdev_priv(netdev);
3615
3616 return np->vsi->rss_table_size;
3617 }
3618
3619 /**
3620 * ice_get_rxfh - get the Rx flow hash indirection table
3621 * @netdev: network interface device structure
3622 * @rxfh: pointer to param struct (indir, key, hfunc)
3623 *
3624 * Reads the indirection table directly from the hardware.
3625 */
3626 static int
ice_get_rxfh(struct net_device * netdev,struct ethtool_rxfh_param * rxfh)3627 ice_get_rxfh(struct net_device *netdev, struct ethtool_rxfh_param *rxfh)
3628 {
3629 struct ice_netdev_priv *np = netdev_priv(netdev);
3630 struct ice_vsi *vsi = np->vsi;
3631 struct ice_pf *pf = vsi->back;
3632 u16 qcount, offset;
3633 int err, i;
3634 u8 *lut;
3635
3636 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
3637 netdev_warn(netdev, "RSS is not supported on this VSI!\n");
3638 return -EOPNOTSUPP;
3639 }
3640
3641 qcount = vsi->mqprio_qopt.qopt.count[0];
3642 offset = vsi->mqprio_qopt.qopt.offset[0];
3643
3644 rxfh->hfunc = ETH_RSS_HASH_TOP;
3645 if (vsi->rss_hfunc == ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ)
3646 rxfh->input_xfrm |= RXH_XFRM_SYM_XOR;
3647
3648 if (!rxfh->indir)
3649 return 0;
3650
3651 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL);
3652 if (!lut)
3653 return -ENOMEM;
3654
3655 err = ice_get_rss(vsi, rxfh->key, lut, vsi->rss_table_size);
3656 if (err)
3657 goto out;
3658
3659 if (ice_is_adq_active(pf)) {
3660 for (i = 0; i < vsi->rss_table_size; i++)
3661 rxfh->indir[i] = offset + lut[i] % qcount;
3662 goto out;
3663 }
3664
3665 for (i = 0; i < vsi->rss_table_size; i++)
3666 rxfh->indir[i] = lut[i];
3667
3668 out:
3669 kfree(lut);
3670 return err;
3671 }
3672
3673 /**
3674 * ice_set_rxfh - set the Rx flow hash indirection table
3675 * @netdev: network interface device structure
3676 * @rxfh: pointer to param struct (indir, key, hfunc)
3677 * @extack: extended ACK from the Netlink message
3678 *
3679 * Returns -EINVAL if the table specifies an invalid queue ID, otherwise
3680 * returns 0 after programming the table.
3681 */
3682 static int
ice_set_rxfh(struct net_device * netdev,struct ethtool_rxfh_param * rxfh,struct netlink_ext_ack * extack)3683 ice_set_rxfh(struct net_device *netdev, struct ethtool_rxfh_param *rxfh,
3684 struct netlink_ext_ack *extack)
3685 {
3686 struct ice_netdev_priv *np = netdev_priv(netdev);
3687 u8 hfunc = ICE_AQ_VSI_Q_OPT_RSS_HASH_TPLZ;
3688 struct ice_vsi *vsi = np->vsi;
3689 struct ice_pf *pf = vsi->back;
3690 struct device *dev;
3691 int err;
3692
3693 dev = ice_pf_to_dev(pf);
3694 if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE &&
3695 rxfh->hfunc != ETH_RSS_HASH_TOP)
3696 return -EOPNOTSUPP;
3697
3698 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
3699 /* RSS not supported return error here */
3700 netdev_warn(netdev, "RSS is not configured on this VSI!\n");
3701 return -EIO;
3702 }
3703
3704 if (ice_is_adq_active(pf)) {
3705 netdev_err(netdev, "Cannot change RSS params with ADQ configured.\n");
3706 return -EOPNOTSUPP;
3707 }
3708
3709 /* Update the VSI's hash function */
3710 if (rxfh->input_xfrm & RXH_XFRM_SYM_XOR)
3711 hfunc = ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ;
3712
3713 err = ice_set_rss_hfunc(vsi, hfunc);
3714 if (err)
3715 return err;
3716
3717 if (rxfh->key) {
3718 if (!vsi->rss_hkey_user) {
3719 vsi->rss_hkey_user =
3720 devm_kzalloc(dev, ICE_VSIQF_HKEY_ARRAY_SIZE,
3721 GFP_KERNEL);
3722 if (!vsi->rss_hkey_user)
3723 return -ENOMEM;
3724 }
3725 memcpy(vsi->rss_hkey_user, rxfh->key,
3726 ICE_VSIQF_HKEY_ARRAY_SIZE);
3727
3728 err = ice_set_rss_key(vsi, vsi->rss_hkey_user);
3729 if (err)
3730 return err;
3731 }
3732
3733 if (!vsi->rss_lut_user) {
3734 vsi->rss_lut_user = devm_kzalloc(dev, vsi->rss_table_size,
3735 GFP_KERNEL);
3736 if (!vsi->rss_lut_user)
3737 return -ENOMEM;
3738 }
3739
3740 /* Each 32 bits pointed by 'indir' is stored with a lut entry */
3741 if (rxfh->indir) {
3742 int i;
3743
3744 for (i = 0; i < vsi->rss_table_size; i++)
3745 vsi->rss_lut_user[i] = (u8)(rxfh->indir[i]);
3746 } else {
3747 ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size,
3748 vsi->rss_size);
3749 }
3750
3751 err = ice_set_rss_lut(vsi, vsi->rss_lut_user, vsi->rss_table_size);
3752 if (err)
3753 return err;
3754
3755 return 0;
3756 }
3757
3758 static int
ice_get_ts_info(struct net_device * dev,struct kernel_ethtool_ts_info * info)3759 ice_get_ts_info(struct net_device *dev, struct kernel_ethtool_ts_info *info)
3760 {
3761 struct ice_pf *pf = ice_netdev_to_pf(dev);
3762
3763 /* only report timestamping if PTP is enabled */
3764 if (pf->ptp.state != ICE_PTP_READY)
3765 return ethtool_op_get_ts_info(dev, info);
3766
3767 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
3768 SOF_TIMESTAMPING_TX_HARDWARE |
3769 SOF_TIMESTAMPING_RX_HARDWARE |
3770 SOF_TIMESTAMPING_RAW_HARDWARE;
3771
3772 info->phc_index = ice_ptp_clock_index(pf);
3773
3774 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
3775
3776 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | BIT(HWTSTAMP_FILTER_ALL);
3777
3778 return 0;
3779 }
3780
3781 /**
3782 * ice_get_combined_cnt - return the current number of combined channels
3783 * @vsi: PF VSI pointer
3784 *
3785 * Go through all queue vectors and count ones that have both Rx and Tx ring
3786 * attached
3787 */
ice_get_combined_cnt(struct ice_vsi * vsi)3788 static u32 ice_get_combined_cnt(struct ice_vsi *vsi)
3789 {
3790 u32 combined = 0;
3791 int q_idx;
3792
3793 ice_for_each_q_vector(vsi, q_idx) {
3794 struct ice_q_vector *q_vector = vsi->q_vectors[q_idx];
3795
3796 combined += min(q_vector->num_ring_tx, q_vector->num_ring_rx);
3797 }
3798
3799 return combined;
3800 }
3801
3802 /**
3803 * ice_get_channels - get the current and max supported channels
3804 * @dev: network interface device structure
3805 * @ch: ethtool channel data structure
3806 */
3807 static void
ice_get_channels(struct net_device * dev,struct ethtool_channels * ch)3808 ice_get_channels(struct net_device *dev, struct ethtool_channels *ch)
3809 {
3810 struct ice_netdev_priv *np = netdev_priv(dev);
3811 struct ice_vsi *vsi = np->vsi;
3812 struct ice_pf *pf = vsi->back;
3813
3814 /* report maximum channels */
3815 ch->max_rx = ice_get_max_rxq(pf);
3816 ch->max_tx = ice_get_max_txq(pf);
3817 ch->max_combined = min_t(int, ch->max_rx, ch->max_tx);
3818
3819 /* report current channels */
3820 ch->combined_count = ice_get_combined_cnt(vsi);
3821 ch->rx_count = vsi->num_rxq - ch->combined_count;
3822 ch->tx_count = vsi->num_txq - ch->combined_count;
3823
3824 /* report other queues */
3825 ch->other_count = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0;
3826 ch->max_other = ch->other_count;
3827 }
3828
3829 /**
3830 * ice_get_valid_rss_size - return valid number of RSS queues
3831 * @hw: pointer to the HW structure
3832 * @new_size: requested RSS queues
3833 */
ice_get_valid_rss_size(struct ice_hw * hw,int new_size)3834 static int ice_get_valid_rss_size(struct ice_hw *hw, int new_size)
3835 {
3836 struct ice_hw_common_caps *caps = &hw->func_caps.common_cap;
3837
3838 return min_t(int, new_size, BIT(caps->rss_table_entry_width));
3839 }
3840
3841 /**
3842 * ice_vsi_set_dflt_rss_lut - set default RSS LUT with requested RSS size
3843 * @vsi: VSI to reconfigure RSS LUT on
3844 * @req_rss_size: requested range of queue numbers for hashing
3845 *
3846 * Set the VSI's RSS parameters, configure the RSS LUT based on these.
3847 */
ice_vsi_set_dflt_rss_lut(struct ice_vsi * vsi,int req_rss_size)3848 static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size)
3849 {
3850 struct ice_pf *pf = vsi->back;
3851 struct device *dev;
3852 struct ice_hw *hw;
3853 int err;
3854 u8 *lut;
3855
3856 dev = ice_pf_to_dev(pf);
3857 hw = &pf->hw;
3858
3859 if (!req_rss_size)
3860 return -EINVAL;
3861
3862 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL);
3863 if (!lut)
3864 return -ENOMEM;
3865
3866 /* set RSS LUT parameters */
3867 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags))
3868 vsi->rss_size = 1;
3869 else
3870 vsi->rss_size = ice_get_valid_rss_size(hw, req_rss_size);
3871
3872 /* create/set RSS LUT */
3873 ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size);
3874 err = ice_set_rss_lut(vsi, lut, vsi->rss_table_size);
3875 if (err)
3876 dev_err(dev, "Cannot set RSS lut, err %d aq_err %s\n", err,
3877 libie_aq_str(hw->adminq.sq_last_status));
3878
3879 kfree(lut);
3880 return err;
3881 }
3882
3883 /**
3884 * ice_set_channels - set the number channels
3885 * @dev: network interface device structure
3886 * @ch: ethtool channel data structure
3887 */
ice_set_channels(struct net_device * dev,struct ethtool_channels * ch)3888 static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch)
3889 {
3890 struct ice_netdev_priv *np = netdev_priv(dev);
3891 struct ice_vsi *vsi = np->vsi;
3892 struct ice_pf *pf = vsi->back;
3893 int new_rx = 0, new_tx = 0;
3894 bool locked = false;
3895 int ret = 0;
3896
3897 /* do not support changing channels in Safe Mode */
3898 if (ice_is_safe_mode(pf)) {
3899 netdev_err(dev, "Changing channel in Safe Mode is not supported\n");
3900 return -EOPNOTSUPP;
3901 }
3902 /* do not support changing other_count */
3903 if (ch->other_count != (test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1U : 0U))
3904 return -EINVAL;
3905
3906 if (ice_is_adq_active(pf)) {
3907 netdev_err(dev, "Cannot set channels with ADQ configured.\n");
3908 return -EOPNOTSUPP;
3909 }
3910
3911 if (test_bit(ICE_FLAG_FD_ENA, pf->flags) && pf->hw.fdir_active_fltr) {
3912 netdev_err(dev, "Cannot set channels when Flow Director filters are active\n");
3913 return -EOPNOTSUPP;
3914 }
3915
3916 if (ch->rx_count && ch->tx_count) {
3917 netdev_err(dev, "Dedicated RX or TX channels cannot be used simultaneously\n");
3918 return -EINVAL;
3919 }
3920
3921 new_rx = ch->combined_count + ch->rx_count;
3922 new_tx = ch->combined_count + ch->tx_count;
3923
3924 if (new_rx < vsi->tc_cfg.numtc) {
3925 netdev_err(dev, "Cannot set less Rx channels, than Traffic Classes you have (%u)\n",
3926 vsi->tc_cfg.numtc);
3927 return -EINVAL;
3928 }
3929 if (new_tx < vsi->tc_cfg.numtc) {
3930 netdev_err(dev, "Cannot set less Tx channels, than Traffic Classes you have (%u)\n",
3931 vsi->tc_cfg.numtc);
3932 return -EINVAL;
3933 }
3934 if (new_rx > ice_get_max_rxq(pf)) {
3935 netdev_err(dev, "Maximum allowed Rx channels is %d\n",
3936 ice_get_max_rxq(pf));
3937 return -EINVAL;
3938 }
3939 if (new_tx > ice_get_max_txq(pf)) {
3940 netdev_err(dev, "Maximum allowed Tx channels is %d\n",
3941 ice_get_max_txq(pf));
3942 return -EINVAL;
3943 }
3944
3945 if (pf->cdev_info && pf->cdev_info->adev) {
3946 mutex_lock(&pf->adev_mutex);
3947 device_lock(&pf->cdev_info->adev->dev);
3948 locked = true;
3949 if (pf->cdev_info->adev->dev.driver) {
3950 netdev_err(dev, "Cannot change channels when RDMA is active\n");
3951 ret = -EBUSY;
3952 goto adev_unlock;
3953 }
3954 }
3955
3956 ice_vsi_recfg_qs(vsi, new_rx, new_tx, locked);
3957
3958 if (!netif_is_rxfh_configured(dev)) {
3959 ret = ice_vsi_set_dflt_rss_lut(vsi, new_rx);
3960 goto adev_unlock;
3961 }
3962
3963 /* Update rss_size due to change in Rx queues */
3964 vsi->rss_size = ice_get_valid_rss_size(&pf->hw, new_rx);
3965
3966 adev_unlock:
3967 if (locked) {
3968 device_unlock(&pf->cdev_info->adev->dev);
3969 mutex_unlock(&pf->adev_mutex);
3970 }
3971 return ret;
3972 }
3973
3974 /**
3975 * ice_get_wol - get current Wake on LAN configuration
3976 * @netdev: network interface device structure
3977 * @wol: Ethtool structure to retrieve WoL settings
3978 */
ice_get_wol(struct net_device * netdev,struct ethtool_wolinfo * wol)3979 static void ice_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
3980 {
3981 struct ice_netdev_priv *np = netdev_priv(netdev);
3982 struct ice_pf *pf = np->vsi->back;
3983
3984 if (np->vsi->type != ICE_VSI_PF)
3985 netdev_warn(netdev, "Wake on LAN is not supported on this interface!\n");
3986
3987 /* Get WoL settings based on the HW capability */
3988 if (ice_is_wol_supported(&pf->hw)) {
3989 wol->supported = WAKE_MAGIC;
3990 wol->wolopts = pf->wol_ena ? WAKE_MAGIC : 0;
3991 } else {
3992 wol->supported = 0;
3993 wol->wolopts = 0;
3994 }
3995 }
3996
3997 /**
3998 * ice_set_wol - set Wake on LAN on supported device
3999 * @netdev: network interface device structure
4000 * @wol: Ethtool structure to set WoL
4001 */
ice_set_wol(struct net_device * netdev,struct ethtool_wolinfo * wol)4002 static int ice_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
4003 {
4004 struct ice_netdev_priv *np = netdev_priv(netdev);
4005 struct ice_vsi *vsi = np->vsi;
4006 struct ice_pf *pf = vsi->back;
4007
4008 if (vsi->type != ICE_VSI_PF || !ice_is_wol_supported(&pf->hw))
4009 return -EOPNOTSUPP;
4010
4011 /* only magic packet is supported */
4012 if (wol->wolopts && wol->wolopts != WAKE_MAGIC)
4013 return -EOPNOTSUPP;
4014
4015 /* Set WoL only if there is a new value */
4016 if (pf->wol_ena != !!wol->wolopts) {
4017 pf->wol_ena = !!wol->wolopts;
4018 device_set_wakeup_enable(ice_pf_to_dev(pf), pf->wol_ena);
4019 netdev_dbg(netdev, "WoL magic packet %sabled\n",
4020 pf->wol_ena ? "en" : "dis");
4021 }
4022
4023 return 0;
4024 }
4025
4026 /**
4027 * ice_get_rc_coalesce - get ITR values for specific ring container
4028 * @ec: ethtool structure to fill with driver's coalesce settings
4029 * @rc: ring container that the ITR values will come from
4030 *
4031 * Query the device for ice_ring_container specific ITR values. This is
4032 * done per ice_ring_container because each q_vector can have 1 or more rings
4033 * and all of said ring(s) will have the same ITR values.
4034 *
4035 * Returns 0 on success, negative otherwise.
4036 */
4037 static int
ice_get_rc_coalesce(struct ethtool_coalesce * ec,struct ice_ring_container * rc)4038 ice_get_rc_coalesce(struct ethtool_coalesce *ec, struct ice_ring_container *rc)
4039 {
4040 if (!rc->rx_ring)
4041 return -EINVAL;
4042
4043 switch (rc->type) {
4044 case ICE_RX_CONTAINER:
4045 ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc);
4046 ec->rx_coalesce_usecs = rc->itr_setting;
4047 ec->rx_coalesce_usecs_high = rc->rx_ring->q_vector->intrl;
4048 break;
4049 case ICE_TX_CONTAINER:
4050 ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc);
4051 ec->tx_coalesce_usecs = rc->itr_setting;
4052 break;
4053 default:
4054 dev_dbg(ice_pf_to_dev(rc->rx_ring->vsi->back), "Invalid c_type %d\n", rc->type);
4055 return -EINVAL;
4056 }
4057
4058 return 0;
4059 }
4060
4061 /**
4062 * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings
4063 * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings
4064 * @ec: coalesce settings to program the device with
4065 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index
4066 *
4067 * Return 0 on success, and negative under the following conditions:
4068 * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed.
4069 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings.
4070 */
4071 static int
ice_get_q_coalesce(struct ice_vsi * vsi,struct ethtool_coalesce * ec,int q_num)4072 ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num)
4073 {
4074 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) {
4075 if (ice_get_rc_coalesce(ec,
4076 &vsi->rx_rings[q_num]->q_vector->rx))
4077 return -EINVAL;
4078 if (ice_get_rc_coalesce(ec,
4079 &vsi->tx_rings[q_num]->q_vector->tx))
4080 return -EINVAL;
4081 } else if (q_num < vsi->num_rxq) {
4082 if (ice_get_rc_coalesce(ec,
4083 &vsi->rx_rings[q_num]->q_vector->rx))
4084 return -EINVAL;
4085 } else if (q_num < vsi->num_txq) {
4086 if (ice_get_rc_coalesce(ec,
4087 &vsi->tx_rings[q_num]->q_vector->tx))
4088 return -EINVAL;
4089 } else {
4090 return -EINVAL;
4091 }
4092
4093 return 0;
4094 }
4095
4096 /**
4097 * __ice_get_coalesce - get ITR/INTRL values for the device
4098 * @netdev: pointer to the netdev associated with this query
4099 * @ec: ethtool structure to fill with driver's coalesce settings
4100 * @q_num: queue number to get the coalesce settings for
4101 *
4102 * If the caller passes in a negative q_num then we return coalesce settings
4103 * based on queue number 0, else use the actual q_num passed in.
4104 */
4105 static int
__ice_get_coalesce(struct net_device * netdev,struct ethtool_coalesce * ec,int q_num)4106 __ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec,
4107 int q_num)
4108 {
4109 struct ice_netdev_priv *np = netdev_priv(netdev);
4110 struct ice_vsi *vsi = np->vsi;
4111
4112 if (q_num < 0)
4113 q_num = 0;
4114
4115 if (ice_get_q_coalesce(vsi, ec, q_num))
4116 return -EINVAL;
4117
4118 return 0;
4119 }
4120
ice_get_coalesce(struct net_device * netdev,struct ethtool_coalesce * ec,struct kernel_ethtool_coalesce * kernel_coal,struct netlink_ext_ack * extack)4121 static int ice_get_coalesce(struct net_device *netdev,
4122 struct ethtool_coalesce *ec,
4123 struct kernel_ethtool_coalesce *kernel_coal,
4124 struct netlink_ext_ack *extack)
4125 {
4126 return __ice_get_coalesce(netdev, ec, -1);
4127 }
4128
4129 static int
ice_get_per_q_coalesce(struct net_device * netdev,u32 q_num,struct ethtool_coalesce * ec)4130 ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num,
4131 struct ethtool_coalesce *ec)
4132 {
4133 return __ice_get_coalesce(netdev, ec, q_num);
4134 }
4135
4136 /**
4137 * ice_set_rc_coalesce - set ITR values for specific ring container
4138 * @ec: ethtool structure from user to update ITR settings
4139 * @rc: ring container that the ITR values will come from
4140 * @vsi: VSI associated to the ring container
4141 *
4142 * Set specific ITR values. This is done per ice_ring_container because each
4143 * q_vector can have 1 or more rings and all of said ring(s) will have the same
4144 * ITR values.
4145 *
4146 * Returns 0 on success, negative otherwise.
4147 */
4148 static int
ice_set_rc_coalesce(struct ethtool_coalesce * ec,struct ice_ring_container * rc,struct ice_vsi * vsi)4149 ice_set_rc_coalesce(struct ethtool_coalesce *ec,
4150 struct ice_ring_container *rc, struct ice_vsi *vsi)
4151 {
4152 const char *c_type_str = (rc->type == ICE_RX_CONTAINER) ? "rx" : "tx";
4153 u32 use_adaptive_coalesce, coalesce_usecs;
4154 struct ice_pf *pf = vsi->back;
4155 u16 itr_setting;
4156
4157 if (!rc->rx_ring)
4158 return -EINVAL;
4159
4160 switch (rc->type) {
4161 case ICE_RX_CONTAINER:
4162 {
4163 struct ice_q_vector *q_vector = rc->rx_ring->q_vector;
4164
4165 if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL ||
4166 (ec->rx_coalesce_usecs_high &&
4167 ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) {
4168 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high valid values are 0 (disabled), %d-%d\n",
4169 c_type_str, pf->hw.intrl_gran,
4170 ICE_MAX_INTRL);
4171 return -EINVAL;
4172 }
4173 if (ec->rx_coalesce_usecs_high != q_vector->intrl &&
4174 (ec->use_adaptive_rx_coalesce || ec->use_adaptive_tx_coalesce)) {
4175 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high cannot be changed if adaptive-tx or adaptive-rx is enabled\n",
4176 c_type_str);
4177 return -EINVAL;
4178 }
4179 if (ec->rx_coalesce_usecs_high != q_vector->intrl)
4180 q_vector->intrl = ec->rx_coalesce_usecs_high;
4181
4182 use_adaptive_coalesce = ec->use_adaptive_rx_coalesce;
4183 coalesce_usecs = ec->rx_coalesce_usecs;
4184
4185 break;
4186 }
4187 case ICE_TX_CONTAINER:
4188 use_adaptive_coalesce = ec->use_adaptive_tx_coalesce;
4189 coalesce_usecs = ec->tx_coalesce_usecs;
4190
4191 break;
4192 default:
4193 dev_dbg(ice_pf_to_dev(pf), "Invalid container type %d\n",
4194 rc->type);
4195 return -EINVAL;
4196 }
4197
4198 itr_setting = rc->itr_setting;
4199 if (coalesce_usecs != itr_setting && use_adaptive_coalesce) {
4200 netdev_info(vsi->netdev, "%s interrupt throttling cannot be changed if adaptive-%s is enabled\n",
4201 c_type_str, c_type_str);
4202 return -EINVAL;
4203 }
4204
4205 if (coalesce_usecs > ICE_ITR_MAX) {
4206 netdev_info(vsi->netdev, "Invalid value, %s-usecs range is 0-%d\n",
4207 c_type_str, ICE_ITR_MAX);
4208 return -EINVAL;
4209 }
4210
4211 if (use_adaptive_coalesce) {
4212 rc->itr_mode = ITR_DYNAMIC;
4213 } else {
4214 rc->itr_mode = ITR_STATIC;
4215 /* store user facing value how it was set */
4216 rc->itr_setting = coalesce_usecs;
4217 /* write the change to the register */
4218 ice_write_itr(rc, coalesce_usecs);
4219 /* force writes to take effect immediately, the flush shouldn't
4220 * be done in the functions above because the intent is for
4221 * them to do lazy writes.
4222 */
4223 ice_flush(&pf->hw);
4224 }
4225
4226 return 0;
4227 }
4228
4229 /**
4230 * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings
4231 * @vsi: VSI associated to the queue that need updating
4232 * @ec: coalesce settings to program the device with
4233 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index
4234 *
4235 * Return 0 on success, and negative under the following conditions:
4236 * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed.
4237 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings.
4238 */
4239 static int
ice_set_q_coalesce(struct ice_vsi * vsi,struct ethtool_coalesce * ec,int q_num)4240 ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num)
4241 {
4242 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) {
4243 if (ice_set_rc_coalesce(ec,
4244 &vsi->rx_rings[q_num]->q_vector->rx,
4245 vsi))
4246 return -EINVAL;
4247
4248 if (ice_set_rc_coalesce(ec,
4249 &vsi->tx_rings[q_num]->q_vector->tx,
4250 vsi))
4251 return -EINVAL;
4252 } else if (q_num < vsi->num_rxq) {
4253 if (ice_set_rc_coalesce(ec,
4254 &vsi->rx_rings[q_num]->q_vector->rx,
4255 vsi))
4256 return -EINVAL;
4257 } else if (q_num < vsi->num_txq) {
4258 if (ice_set_rc_coalesce(ec,
4259 &vsi->tx_rings[q_num]->q_vector->tx,
4260 vsi))
4261 return -EINVAL;
4262 } else {
4263 return -EINVAL;
4264 }
4265
4266 return 0;
4267 }
4268
4269 /**
4270 * ice_print_if_odd_usecs - print message if user tries to set odd [tx|rx]-usecs
4271 * @netdev: netdev used for print
4272 * @itr_setting: previous user setting
4273 * @use_adaptive_coalesce: if adaptive coalesce is enabled or being enabled
4274 * @coalesce_usecs: requested value of [tx|rx]-usecs
4275 * @c_type_str: either "rx" or "tx" to match user set field of [tx|rx]-usecs
4276 */
4277 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)4278 ice_print_if_odd_usecs(struct net_device *netdev, u16 itr_setting,
4279 u32 use_adaptive_coalesce, u32 coalesce_usecs,
4280 const char *c_type_str)
4281 {
4282 if (use_adaptive_coalesce)
4283 return;
4284
4285 if (itr_setting != coalesce_usecs && (coalesce_usecs % 2))
4286 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",
4287 c_type_str, coalesce_usecs, c_type_str,
4288 ITR_REG_ALIGN(coalesce_usecs));
4289 }
4290
4291 /**
4292 * __ice_set_coalesce - set ITR/INTRL values for the device
4293 * @netdev: pointer to the netdev associated with this query
4294 * @ec: ethtool structure to fill with driver's coalesce settings
4295 * @q_num: queue number to get the coalesce settings for
4296 *
4297 * If the caller passes in a negative q_num then we set the coalesce settings
4298 * for all Tx/Rx queues, else use the actual q_num passed in.
4299 */
4300 static int
__ice_set_coalesce(struct net_device * netdev,struct ethtool_coalesce * ec,int q_num)4301 __ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec,
4302 int q_num)
4303 {
4304 struct ice_netdev_priv *np = netdev_priv(netdev);
4305 struct ice_vsi *vsi = np->vsi;
4306
4307 if (q_num < 0) {
4308 struct ice_q_vector *q_vector = vsi->q_vectors[0];
4309 int v_idx;
4310
4311 if (q_vector) {
4312 ice_print_if_odd_usecs(netdev, q_vector->rx.itr_setting,
4313 ec->use_adaptive_rx_coalesce,
4314 ec->rx_coalesce_usecs, "rx");
4315
4316 ice_print_if_odd_usecs(netdev, q_vector->tx.itr_setting,
4317 ec->use_adaptive_tx_coalesce,
4318 ec->tx_coalesce_usecs, "tx");
4319 }
4320
4321 ice_for_each_q_vector(vsi, v_idx) {
4322 /* In some cases if DCB is configured the num_[rx|tx]q
4323 * can be less than vsi->num_q_vectors. This check
4324 * accounts for that so we don't report a false failure
4325 */
4326 if (v_idx >= vsi->num_rxq && v_idx >= vsi->num_txq)
4327 goto set_complete;
4328
4329 if (ice_set_q_coalesce(vsi, ec, v_idx))
4330 return -EINVAL;
4331
4332 ice_set_q_vector_intrl(vsi->q_vectors[v_idx]);
4333 }
4334 goto set_complete;
4335 }
4336
4337 if (ice_set_q_coalesce(vsi, ec, q_num))
4338 return -EINVAL;
4339
4340 ice_set_q_vector_intrl(vsi->q_vectors[q_num]);
4341
4342 set_complete:
4343 return 0;
4344 }
4345
ice_set_coalesce(struct net_device * netdev,struct ethtool_coalesce * ec,struct kernel_ethtool_coalesce * kernel_coal,struct netlink_ext_ack * extack)4346 static int ice_set_coalesce(struct net_device *netdev,
4347 struct ethtool_coalesce *ec,
4348 struct kernel_ethtool_coalesce *kernel_coal,
4349 struct netlink_ext_ack *extack)
4350 {
4351 return __ice_set_coalesce(netdev, ec, -1);
4352 }
4353
4354 static int
ice_set_per_q_coalesce(struct net_device * netdev,u32 q_num,struct ethtool_coalesce * ec)4355 ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num,
4356 struct ethtool_coalesce *ec)
4357 {
4358 return __ice_set_coalesce(netdev, ec, q_num);
4359 }
4360
4361 static void
ice_repr_get_drvinfo(struct net_device * netdev,struct ethtool_drvinfo * drvinfo)4362 ice_repr_get_drvinfo(struct net_device *netdev,
4363 struct ethtool_drvinfo *drvinfo)
4364 {
4365 struct ice_repr *repr = ice_netdev_to_repr(netdev);
4366
4367 if (repr->ops.ready(repr))
4368 return;
4369
4370 __ice_get_drvinfo(netdev, drvinfo, repr->src_vsi);
4371 }
4372
4373 static void
ice_repr_get_strings(struct net_device * netdev,u32 stringset,u8 * data)4374 ice_repr_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
4375 {
4376 struct ice_repr *repr = ice_netdev_to_repr(netdev);
4377
4378 /* for port representors only ETH_SS_STATS is supported */
4379 if (repr->ops.ready(repr) || stringset != ETH_SS_STATS)
4380 return;
4381
4382 __ice_get_strings(netdev, stringset, data, repr->src_vsi);
4383 }
4384
4385 static void
ice_repr_get_ethtool_stats(struct net_device * netdev,struct ethtool_stats __always_unused * stats,u64 * data)4386 ice_repr_get_ethtool_stats(struct net_device *netdev,
4387 struct ethtool_stats __always_unused *stats,
4388 u64 *data)
4389 {
4390 struct ice_repr *repr = ice_netdev_to_repr(netdev);
4391
4392 if (repr->ops.ready(repr))
4393 return;
4394
4395 __ice_get_ethtool_stats(netdev, stats, data, repr->src_vsi);
4396 }
4397
ice_repr_get_sset_count(struct net_device * netdev,int sset)4398 static int ice_repr_get_sset_count(struct net_device *netdev, int sset)
4399 {
4400 switch (sset) {
4401 case ETH_SS_STATS:
4402 return ICE_VSI_STATS_LEN;
4403 default:
4404 return -EOPNOTSUPP;
4405 }
4406 }
4407
4408 #define ICE_I2C_EEPROM_DEV_ADDR 0xA0
4409 #define ICE_I2C_EEPROM_DEV_ADDR2 0xA2
4410 #define ICE_MODULE_TYPE_SFP 0x03
4411 #define ICE_MODULE_TYPE_QSFP_PLUS 0x0D
4412 #define ICE_MODULE_TYPE_QSFP28 0x11
4413 #define ICE_MODULE_SFF_ADDR_MODE 0x04
4414 #define ICE_MODULE_SFF_DIAG_CAPAB 0x40
4415 #define ICE_MODULE_REVISION_ADDR 0x01
4416 #define ICE_MODULE_SFF_8472_COMP 0x5E
4417 #define ICE_MODULE_SFF_8472_SWAP 0x5C
4418 #define ICE_MODULE_QSFP_MAX_LEN 640
4419
4420 /**
4421 * ice_get_module_info - get SFF module type and revision information
4422 * @netdev: network interface device structure
4423 * @modinfo: module EEPROM size and layout information structure
4424 */
4425 static int
ice_get_module_info(struct net_device * netdev,struct ethtool_modinfo * modinfo)4426 ice_get_module_info(struct net_device *netdev,
4427 struct ethtool_modinfo *modinfo)
4428 {
4429 struct ice_pf *pf = ice_netdev_to_pf(netdev);
4430 struct ice_hw *hw = &pf->hw;
4431 u8 sff8472_comp = 0;
4432 u8 sff8472_swap = 0;
4433 u8 sff8636_rev = 0;
4434 u8 value = 0;
4435 int status;
4436
4437 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 0x00, 0x00,
4438 0, &value, 1, 0, NULL);
4439 if (status)
4440 return status;
4441
4442 switch (value) {
4443 case ICE_MODULE_TYPE_SFP:
4444 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
4445 ICE_MODULE_SFF_8472_COMP, 0x00, 0,
4446 &sff8472_comp, 1, 0, NULL);
4447 if (status)
4448 return status;
4449 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
4450 ICE_MODULE_SFF_8472_SWAP, 0x00, 0,
4451 &sff8472_swap, 1, 0, NULL);
4452 if (status)
4453 return status;
4454
4455 if (sff8472_swap & ICE_MODULE_SFF_ADDR_MODE) {
4456 modinfo->type = ETH_MODULE_SFF_8079;
4457 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
4458 } else if (sff8472_comp &&
4459 (sff8472_swap & ICE_MODULE_SFF_DIAG_CAPAB)) {
4460 modinfo->type = ETH_MODULE_SFF_8472;
4461 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
4462 } else {
4463 modinfo->type = ETH_MODULE_SFF_8079;
4464 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
4465 }
4466 break;
4467 case ICE_MODULE_TYPE_QSFP_PLUS:
4468 case ICE_MODULE_TYPE_QSFP28:
4469 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
4470 ICE_MODULE_REVISION_ADDR, 0x00, 0,
4471 &sff8636_rev, 1, 0, NULL);
4472 if (status)
4473 return status;
4474 /* Check revision compliance */
4475 if (sff8636_rev > 0x02) {
4476 /* Module is SFF-8636 compliant */
4477 modinfo->type = ETH_MODULE_SFF_8636;
4478 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN;
4479 } else {
4480 modinfo->type = ETH_MODULE_SFF_8436;
4481 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN;
4482 }
4483 break;
4484 default:
4485 netdev_warn(netdev, "SFF Module Type not recognized.\n");
4486 return -EINVAL;
4487 }
4488 return 0;
4489 }
4490
4491 /**
4492 * ice_get_module_eeprom - fill buffer with SFF EEPROM contents
4493 * @netdev: network interface device structure
4494 * @ee: EEPROM dump request structure
4495 * @data: buffer to be filled with EEPROM contents
4496 */
4497 static int
ice_get_module_eeprom(struct net_device * netdev,struct ethtool_eeprom * ee,u8 * data)4498 ice_get_module_eeprom(struct net_device *netdev,
4499 struct ethtool_eeprom *ee, u8 *data)
4500 {
4501 struct ice_pf *pf = ice_netdev_to_pf(netdev);
4502 #define SFF_READ_BLOCK_SIZE 8
4503 u8 value[SFF_READ_BLOCK_SIZE] = { 0 };
4504 u8 addr = ICE_I2C_EEPROM_DEV_ADDR;
4505 struct ice_hw *hw = &pf->hw;
4506 bool is_sfp = false;
4507 unsigned int i;
4508 u16 offset = 0;
4509 u8 page = 0;
4510 int status;
4511
4512 if (!ee || !ee->len || !data)
4513 return -EINVAL;
4514
4515 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 0, value, 1, 0,
4516 NULL);
4517 if (status)
4518 return status;
4519
4520 if (value[0] == ICE_MODULE_TYPE_SFP)
4521 is_sfp = true;
4522
4523 memset(data, 0, ee->len);
4524 for (i = 0; i < ee->len; i += SFF_READ_BLOCK_SIZE) {
4525 offset = i + ee->offset;
4526 page = 0;
4527
4528 /* Check if we need to access the other memory page */
4529 if (is_sfp) {
4530 if (offset >= ETH_MODULE_SFF_8079_LEN) {
4531 offset -= ETH_MODULE_SFF_8079_LEN;
4532 addr = ICE_I2C_EEPROM_DEV_ADDR2;
4533 }
4534 } else {
4535 while (offset >= ETH_MODULE_SFF_8436_LEN) {
4536 /* Compute memory page number and offset. */
4537 offset -= ETH_MODULE_SFF_8436_LEN / 2;
4538 page++;
4539 }
4540 }
4541
4542 /* Bit 2 of EEPROM address 0x02 declares upper
4543 * pages are disabled on QSFP modules.
4544 * SFP modules only ever use page 0.
4545 */
4546 if (page == 0 || !(data[0x2] & 0x4)) {
4547 u32 copy_len;
4548
4549 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page,
4550 !is_sfp, value,
4551 SFF_READ_BLOCK_SIZE,
4552 0, NULL);
4553 netdev_dbg(netdev, "SFF %02X %02X %02X %X = %02X%02X%02X%02X.%02X%02X%02X%02X (%pe)\n",
4554 addr, offset, page, is_sfp,
4555 value[0], value[1], value[2], value[3],
4556 value[4], value[5], value[6], value[7],
4557 ERR_PTR(status));
4558 if (status) {
4559 netdev_err(netdev, "%s: error reading module EEPROM: status %pe\n",
4560 __func__, ERR_PTR(status));
4561 return status;
4562 }
4563
4564 /* Make sure we have enough room for the new block */
4565 copy_len = min_t(u32, SFF_READ_BLOCK_SIZE, ee->len - i);
4566 memcpy(data + i, value, copy_len);
4567 }
4568 }
4569 return 0;
4570 }
4571
4572 /**
4573 * ice_get_port_fec_stats - returns FEC correctable, uncorrectable stats per
4574 * pcsquad, pcsport
4575 * @hw: pointer to the HW struct
4576 * @pcs_quad: pcsquad for input port
4577 * @pcs_port: pcsport for input port
4578 * @fec_stats: buffer to hold FEC statistics for given port
4579 *
4580 * Return: 0 on success, negative on failure.
4581 */
ice_get_port_fec_stats(struct ice_hw * hw,u16 pcs_quad,u16 pcs_port,struct ethtool_fec_stats * fec_stats)4582 static int ice_get_port_fec_stats(struct ice_hw *hw, u16 pcs_quad, u16 pcs_port,
4583 struct ethtool_fec_stats *fec_stats)
4584 {
4585 u32 fec_uncorr_low_val = 0, fec_uncorr_high_val = 0;
4586 u32 fec_corr_low_val = 0, fec_corr_high_val = 0;
4587 int err;
4588
4589 if (pcs_quad > 1 || pcs_port > 3)
4590 return -EINVAL;
4591
4592 err = ice_aq_get_fec_stats(hw, pcs_quad, pcs_port, ICE_FEC_CORR_LOW,
4593 &fec_corr_low_val);
4594 if (err)
4595 return err;
4596
4597 err = ice_aq_get_fec_stats(hw, pcs_quad, pcs_port, ICE_FEC_CORR_HIGH,
4598 &fec_corr_high_val);
4599 if (err)
4600 return err;
4601
4602 err = ice_aq_get_fec_stats(hw, pcs_quad, pcs_port,
4603 ICE_FEC_UNCORR_LOW,
4604 &fec_uncorr_low_val);
4605 if (err)
4606 return err;
4607
4608 err = ice_aq_get_fec_stats(hw, pcs_quad, pcs_port,
4609 ICE_FEC_UNCORR_HIGH,
4610 &fec_uncorr_high_val);
4611 if (err)
4612 return err;
4613
4614 fec_stats->corrected_blocks.total = (fec_corr_high_val << 16) +
4615 fec_corr_low_val;
4616 fec_stats->uncorrectable_blocks.total = (fec_uncorr_high_val << 16) +
4617 fec_uncorr_low_val;
4618 return 0;
4619 }
4620
4621 /**
4622 * ice_get_fec_stats - returns FEC correctable, uncorrectable stats per netdev
4623 * @netdev: network interface device structure
4624 * @fec_stats: buffer to hold FEC statistics for given port
4625 * @hist: buffer to put FEC histogram statistics for given port
4626 *
4627 */
ice_get_fec_stats(struct net_device * netdev,struct ethtool_fec_stats * fec_stats,struct ethtool_fec_hist * hist)4628 static void ice_get_fec_stats(struct net_device *netdev,
4629 struct ethtool_fec_stats *fec_stats,
4630 struct ethtool_fec_hist *hist)
4631 {
4632 struct ice_netdev_priv *np = netdev_priv(netdev);
4633 struct ice_port_topology port_topology;
4634 struct ice_port_info *pi;
4635 struct ice_pf *pf;
4636 struct ice_hw *hw;
4637 int err;
4638
4639 pf = np->vsi->back;
4640 hw = &pf->hw;
4641 pi = np->vsi->port_info;
4642
4643 /* Serdes parameters are not supported if not the PF VSI */
4644 if (np->vsi->type != ICE_VSI_PF || !pi)
4645 return;
4646
4647 err = ice_get_port_topology(hw, pi->lport, &port_topology);
4648 if (err) {
4649 netdev_info(netdev, "Extended register dump failed Lport %d\n",
4650 pi->lport);
4651 return;
4652 }
4653
4654 /* Get FEC correctable, uncorrectable counter */
4655 err = ice_get_port_fec_stats(hw, port_topology.pcs_quad_select,
4656 port_topology.pcs_port, fec_stats);
4657 if (err)
4658 netdev_info(netdev, "FEC stats get failed Lport %d Err %d\n",
4659 pi->lport, err);
4660 }
4661
ice_get_eth_mac_stats(struct net_device * netdev,struct ethtool_eth_mac_stats * mac_stats)4662 static void ice_get_eth_mac_stats(struct net_device *netdev,
4663 struct ethtool_eth_mac_stats *mac_stats)
4664 {
4665 struct ice_pf *pf = ice_netdev_to_pf(netdev);
4666 struct ice_hw_port_stats *ps = &pf->stats;
4667
4668 mac_stats->FramesTransmittedOK = ps->eth.tx_unicast +
4669 ps->eth.tx_multicast +
4670 ps->eth.tx_broadcast;
4671 mac_stats->FramesReceivedOK = ps->eth.rx_unicast +
4672 ps->eth.rx_multicast +
4673 ps->eth.rx_broadcast;
4674 mac_stats->FrameCheckSequenceErrors = ps->crc_errors;
4675 mac_stats->OctetsTransmittedOK = ps->eth.tx_bytes;
4676 mac_stats->OctetsReceivedOK = ps->eth.rx_bytes;
4677 mac_stats->MulticastFramesXmittedOK = ps->eth.tx_multicast;
4678 mac_stats->BroadcastFramesXmittedOK = ps->eth.tx_broadcast;
4679 mac_stats->MulticastFramesReceivedOK = ps->eth.rx_multicast;
4680 mac_stats->BroadcastFramesReceivedOK = ps->eth.rx_broadcast;
4681 mac_stats->InRangeLengthErrors = ps->rx_len_errors;
4682 mac_stats->FrameTooLongErrors = ps->rx_oversize;
4683 }
4684
ice_get_pause_stats(struct net_device * netdev,struct ethtool_pause_stats * pause_stats)4685 static void ice_get_pause_stats(struct net_device *netdev,
4686 struct ethtool_pause_stats *pause_stats)
4687 {
4688 struct ice_pf *pf = ice_netdev_to_pf(netdev);
4689 struct ice_hw_port_stats *ps = &pf->stats;
4690
4691 pause_stats->tx_pause_frames = ps->link_xon_tx + ps->link_xoff_tx;
4692 pause_stats->rx_pause_frames = ps->link_xon_rx + ps->link_xoff_rx;
4693 }
4694
4695 static const struct ethtool_rmon_hist_range ice_rmon_ranges[] = {
4696 { 0, 64 },
4697 { 65, 127 },
4698 { 128, 255 },
4699 { 256, 511 },
4700 { 512, 1023 },
4701 { 1024, 1522 },
4702 { 1523, 9522 },
4703 {}
4704 };
4705
ice_get_rmon_stats(struct net_device * netdev,struct ethtool_rmon_stats * rmon,const struct ethtool_rmon_hist_range ** ranges)4706 static void ice_get_rmon_stats(struct net_device *netdev,
4707 struct ethtool_rmon_stats *rmon,
4708 const struct ethtool_rmon_hist_range **ranges)
4709 {
4710 struct ice_pf *pf = ice_netdev_to_pf(netdev);
4711 struct ice_hw_port_stats *ps = &pf->stats;
4712
4713 rmon->undersize_pkts = ps->rx_undersize;
4714 rmon->oversize_pkts = ps->rx_oversize;
4715 rmon->fragments = ps->rx_fragments;
4716 rmon->jabbers = ps->rx_jabber;
4717
4718 rmon->hist[0] = ps->rx_size_64;
4719 rmon->hist[1] = ps->rx_size_127;
4720 rmon->hist[2] = ps->rx_size_255;
4721 rmon->hist[3] = ps->rx_size_511;
4722 rmon->hist[4] = ps->rx_size_1023;
4723 rmon->hist[5] = ps->rx_size_1522;
4724 rmon->hist[6] = ps->rx_size_big;
4725
4726 rmon->hist_tx[0] = ps->tx_size_64;
4727 rmon->hist_tx[1] = ps->tx_size_127;
4728 rmon->hist_tx[2] = ps->tx_size_255;
4729 rmon->hist_tx[3] = ps->tx_size_511;
4730 rmon->hist_tx[4] = ps->tx_size_1023;
4731 rmon->hist_tx[5] = ps->tx_size_1522;
4732 rmon->hist_tx[6] = ps->tx_size_big;
4733
4734 *ranges = ice_rmon_ranges;
4735 }
4736
4737 /* ice_get_ts_stats - provide timestamping stats
4738 * @netdev: the netdevice pointer from ethtool
4739 * @ts_stats: the ethtool data structure to fill in
4740 */
ice_get_ts_stats(struct net_device * netdev,struct ethtool_ts_stats * ts_stats)4741 static void ice_get_ts_stats(struct net_device *netdev,
4742 struct ethtool_ts_stats *ts_stats)
4743 {
4744 struct ice_pf *pf = ice_netdev_to_pf(netdev);
4745 struct ice_ptp *ptp = &pf->ptp;
4746
4747 ts_stats->pkts = ptp->tx_hwtstamp_good;
4748 ts_stats->err = ptp->tx_hwtstamp_skipped +
4749 ptp->tx_hwtstamp_flushed +
4750 ptp->tx_hwtstamp_discarded;
4751 ts_stats->lost = ptp->tx_hwtstamp_timeouts;
4752 }
4753
4754 #define ICE_ETHTOOL_PFR (ETH_RESET_IRQ | ETH_RESET_DMA | \
4755 ETH_RESET_FILTER | ETH_RESET_OFFLOAD)
4756
4757 #define ICE_ETHTOOL_CORER ((ICE_ETHTOOL_PFR | ETH_RESET_RAM) << \
4758 ETH_RESET_SHARED_SHIFT)
4759
4760 #define ICE_ETHTOOL_GLOBR (ICE_ETHTOOL_CORER | \
4761 (ETH_RESET_MAC << ETH_RESET_SHARED_SHIFT) | \
4762 (ETH_RESET_PHY << ETH_RESET_SHARED_SHIFT))
4763
4764 #define ICE_ETHTOOL_VFR ICE_ETHTOOL_PFR
4765
4766 /**
4767 * ice_ethtool_reset - triggers a given type of reset
4768 * @dev: network interface device structure
4769 * @flags: set of reset flags
4770 *
4771 * Return: 0 on success, -EOPNOTSUPP when using unsupported set of flags.
4772 */
ice_ethtool_reset(struct net_device * dev,u32 * flags)4773 static int ice_ethtool_reset(struct net_device *dev, u32 *flags)
4774 {
4775 struct ice_pf *pf = ice_netdev_to_pf(dev);
4776 enum ice_reset_req reset;
4777
4778 switch (*flags) {
4779 case ICE_ETHTOOL_CORER:
4780 reset = ICE_RESET_CORER;
4781 break;
4782 case ICE_ETHTOOL_GLOBR:
4783 reset = ICE_RESET_GLOBR;
4784 break;
4785 case ICE_ETHTOOL_PFR:
4786 reset = ICE_RESET_PFR;
4787 break;
4788 default:
4789 netdev_info(dev, "Unsupported set of ethtool flags");
4790 return -EOPNOTSUPP;
4791 }
4792
4793 ice_schedule_reset(pf, reset);
4794
4795 *flags = 0;
4796
4797 return 0;
4798 }
4799
4800 /**
4801 * ice_repr_ethtool_reset - triggers a VF reset
4802 * @dev: network interface device structure
4803 * @flags: set of reset flags
4804 *
4805 * Return: 0 on success,
4806 * -EOPNOTSUPP when using unsupported set of flags
4807 * -EBUSY when VF is not ready for reset.
4808 */
ice_repr_ethtool_reset(struct net_device * dev,u32 * flags)4809 static int ice_repr_ethtool_reset(struct net_device *dev, u32 *flags)
4810 {
4811 struct ice_repr *repr = ice_netdev_to_repr(dev);
4812 struct ice_vf *vf;
4813
4814 if (repr->type != ICE_REPR_TYPE_VF ||
4815 *flags != ICE_ETHTOOL_VFR)
4816 return -EOPNOTSUPP;
4817
4818 vf = repr->vf;
4819
4820 if (ice_check_vf_ready_for_cfg(vf))
4821 return -EBUSY;
4822
4823 *flags = 0;
4824
4825 return ice_reset_vf(vf, ICE_VF_RESET_VFLR | ICE_VF_RESET_LOCK);
4826 }
4827
4828 static const struct ethtool_ops ice_ethtool_ops = {
4829 .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
4830 ETHTOOL_COALESCE_USE_ADAPTIVE |
4831 ETHTOOL_COALESCE_RX_USECS_HIGH,
4832 .supported_input_xfrm = RXH_XFRM_SYM_XOR,
4833 .supported_ring_params = ETHTOOL_RING_USE_TCP_DATA_SPLIT,
4834 .get_link_ksettings = ice_get_link_ksettings,
4835 .set_link_ksettings = ice_set_link_ksettings,
4836 .get_fec_stats = ice_get_fec_stats,
4837 .get_eth_mac_stats = ice_get_eth_mac_stats,
4838 .get_pause_stats = ice_get_pause_stats,
4839 .get_rmon_stats = ice_get_rmon_stats,
4840 .get_ts_stats = ice_get_ts_stats,
4841 .get_drvinfo = ice_get_drvinfo,
4842 .get_regs_len = ice_get_regs_len,
4843 .get_regs = ice_get_regs,
4844 .get_wol = ice_get_wol,
4845 .set_wol = ice_set_wol,
4846 .get_msglevel = ice_get_msglevel,
4847 .set_msglevel = ice_set_msglevel,
4848 .self_test = ice_self_test,
4849 .get_link = ethtool_op_get_link,
4850 .get_link_ext_stats = ice_get_link_ext_stats,
4851 .get_eeprom_len = ice_get_eeprom_len,
4852 .get_eeprom = ice_get_eeprom,
4853 .get_coalesce = ice_get_coalesce,
4854 .set_coalesce = ice_set_coalesce,
4855 .get_strings = ice_get_strings,
4856 .set_phys_id = ice_set_phys_id,
4857 .get_ethtool_stats = ice_get_ethtool_stats,
4858 .get_priv_flags = ice_get_priv_flags,
4859 .set_priv_flags = ice_set_priv_flags,
4860 .get_sset_count = ice_get_sset_count,
4861 .get_rxnfc = ice_get_rxnfc,
4862 .set_rxnfc = ice_set_rxnfc,
4863 .get_rx_ring_count = ice_get_rx_ring_count,
4864 .get_ringparam = ice_get_ringparam,
4865 .set_ringparam = ice_set_ringparam,
4866 .nway_reset = ice_nway_reset,
4867 .get_pauseparam = ice_get_pauseparam,
4868 .set_pauseparam = ice_set_pauseparam,
4869 .reset = ice_ethtool_reset,
4870 .get_rxfh_key_size = ice_get_rxfh_key_size,
4871 .get_rxfh_indir_size = ice_get_rxfh_indir_size,
4872 .get_rxfh = ice_get_rxfh,
4873 .set_rxfh = ice_set_rxfh,
4874 .get_rxfh_fields = ice_get_rxfh_fields,
4875 .set_rxfh_fields = ice_set_rxfh_fields,
4876 .get_channels = ice_get_channels,
4877 .set_channels = ice_set_channels,
4878 .get_ts_info = ice_get_ts_info,
4879 .get_per_queue_coalesce = ice_get_per_q_coalesce,
4880 .set_per_queue_coalesce = ice_set_per_q_coalesce,
4881 .get_fecparam = ice_get_fecparam,
4882 .set_fecparam = ice_set_fecparam,
4883 .get_module_info = ice_get_module_info,
4884 .get_module_eeprom = ice_get_module_eeprom,
4885 };
4886
4887 static const struct ethtool_ops ice_ethtool_safe_mode_ops = {
4888 .get_link_ksettings = ice_get_link_ksettings,
4889 .set_link_ksettings = ice_set_link_ksettings,
4890 .get_drvinfo = ice_get_drvinfo,
4891 .get_regs_len = ice_get_regs_len,
4892 .get_regs = ice_get_regs,
4893 .get_wol = ice_get_wol,
4894 .set_wol = ice_set_wol,
4895 .get_msglevel = ice_get_msglevel,
4896 .set_msglevel = ice_set_msglevel,
4897 .get_link = ethtool_op_get_link,
4898 .get_eeprom_len = ice_get_eeprom_len,
4899 .get_eeprom = ice_get_eeprom,
4900 .get_strings = ice_get_strings,
4901 .get_ethtool_stats = ice_get_ethtool_stats,
4902 .get_sset_count = ice_get_sset_count,
4903 .get_ringparam = ice_get_ringparam,
4904 .set_ringparam = ice_set_ringparam,
4905 .nway_reset = ice_nway_reset,
4906 .get_channels = ice_get_channels,
4907 };
4908
4909 /**
4910 * ice_set_ethtool_safe_mode_ops - setup safe mode ethtool ops
4911 * @netdev: network interface device structure
4912 */
ice_set_ethtool_safe_mode_ops(struct net_device * netdev)4913 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev)
4914 {
4915 netdev->ethtool_ops = &ice_ethtool_safe_mode_ops;
4916 }
4917
4918 static const struct ethtool_ops ice_ethtool_repr_ops = {
4919 .get_drvinfo = ice_repr_get_drvinfo,
4920 .get_link = ethtool_op_get_link,
4921 .get_strings = ice_repr_get_strings,
4922 .get_ethtool_stats = ice_repr_get_ethtool_stats,
4923 .get_sset_count = ice_repr_get_sset_count,
4924 .reset = ice_repr_ethtool_reset,
4925 };
4926
4927 /**
4928 * ice_set_ethtool_repr_ops - setup VF's port representor ethtool ops
4929 * @netdev: network interface device structure
4930 */
ice_set_ethtool_repr_ops(struct net_device * netdev)4931 void ice_set_ethtool_repr_ops(struct net_device *netdev)
4932 {
4933 netdev->ethtool_ops = &ice_ethtool_repr_ops;
4934 }
4935
4936 /**
4937 * ice_set_ethtool_ops - setup netdev ethtool ops
4938 * @netdev: network interface device structure
4939 *
4940 * setup netdev ethtool ops with ice specific ops
4941 */
ice_set_ethtool_ops(struct net_device * netdev)4942 void ice_set_ethtool_ops(struct net_device *netdev)
4943 {
4944 netdev->ethtool_ops = &ice_ethtool_ops;
4945 }
4946