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
14struct ice_stats {
15 char stat_string[ETH_GSTRING_LEN];
16 int sizeof_stat;
17 int stat_offset;
18};
19
20#define ICE_STAT(_type, _name, _stat) { \
21 .stat_string = _name, \
22 .sizeof_stat = sizeof_field(_type, _stat), \
23 .stat_offset = offsetof(_type, _stat) \
24}
25
26#define ICE_VSI_STAT(_name, _stat) \
27 ICE_STAT(struct ice_vsi, _name, _stat)
28#define ICE_PF_STAT(_name, _stat) \
29 ICE_STAT(struct ice_pf, _name, _stat)
30
31static int ice_q_stats_len(struct net_device *netdev)
32{
33 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
34
35 return ((np->vsi->alloc_txq + np->vsi->alloc_rxq) *
36 (sizeof(struct ice_q_stats) / sizeof(u64)));
37}
38
39#define ICE_PF_STATS_LEN ARRAY_SIZE(ice_gstrings_pf_stats)
40#define ICE_VSI_STATS_LEN ARRAY_SIZE(ice_gstrings_vsi_stats)
41
42#define ICE_PFC_STATS_LEN ( \
43 (sizeof_field(struct ice_pf, stats.priority_xoff_rx) + \
44 sizeof_field(struct ice_pf, stats.priority_xon_rx) + \
45 sizeof_field(struct ice_pf, stats.priority_xoff_tx) + \
46 sizeof_field(struct ice_pf, stats.priority_xon_tx)) \
47 / sizeof(u64))
48#define ICE_ALL_STATS_LEN(n) (ICE_PF_STATS_LEN + ICE_PFC_STATS_LEN + \
49 ICE_VSI_STATS_LEN + ice_q_stats_len(n))
50
51static const struct ice_stats ice_gstrings_vsi_stats[] = {
52 ICE_VSI_STAT("rx_unicast", eth_stats.rx_unicast),
53 ICE_VSI_STAT("tx_unicast", eth_stats.tx_unicast),
54 ICE_VSI_STAT("rx_multicast", eth_stats.rx_multicast),
55 ICE_VSI_STAT("tx_multicast", eth_stats.tx_multicast),
56 ICE_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast),
57 ICE_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast),
58 ICE_VSI_STAT("rx_bytes", eth_stats.rx_bytes),
59 ICE_VSI_STAT("tx_bytes", eth_stats.tx_bytes),
60 ICE_VSI_STAT("rx_dropped", eth_stats.rx_discards),
61 ICE_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol),
62 ICE_VSI_STAT("rx_alloc_fail", rx_buf_failed),
63 ICE_VSI_STAT("rx_pg_alloc_fail", rx_page_failed),
64 ICE_VSI_STAT("tx_errors", eth_stats.tx_errors),
65 ICE_VSI_STAT("tx_linearize", tx_linearize),
66 ICE_VSI_STAT("tx_busy", tx_busy),
67 ICE_VSI_STAT("tx_restart", tx_restart),
68};
69
70enum ice_ethtool_test_id {
71 ICE_ETH_TEST_REG = 0,
72 ICE_ETH_TEST_EEPROM,
73 ICE_ETH_TEST_INTR,
74 ICE_ETH_TEST_LOOP,
75 ICE_ETH_TEST_LINK,
76};
77
78static const char ice_gstrings_test[][ETH_GSTRING_LEN] = {
79 "Register test (offline)",
80 "EEPROM test (offline)",
81 "Interrupt test (offline)",
82 "Loopback test (offline)",
83 "Link test (on/offline)",
84};
85
86#define ICE_TEST_LEN (sizeof(ice_gstrings_test) / ETH_GSTRING_LEN)
87
88/* These PF_STATs might look like duplicates of some NETDEV_STATs,
89 * but they aren't. This device is capable of supporting multiple
90 * VSIs/netdevs on a single PF. The NETDEV_STATs are for individual
91 * netdevs whereas the PF_STATs are for the physical function that's
92 * hosting these netdevs.
93 *
94 * The PF_STATs are appended to the netdev stats only when ethtool -S
95 * is queried on the base PF netdev.
96 */
97static const struct ice_stats ice_gstrings_pf_stats[] = {
98 ICE_PF_STAT("rx_bytes.nic", stats.eth.rx_bytes),
99 ICE_PF_STAT("tx_bytes.nic", stats.eth.tx_bytes),
100 ICE_PF_STAT("rx_unicast.nic", stats.eth.rx_unicast),
101 ICE_PF_STAT("tx_unicast.nic", stats.eth.tx_unicast),
102 ICE_PF_STAT("rx_multicast.nic", stats.eth.rx_multicast),
103 ICE_PF_STAT("tx_multicast.nic", stats.eth.tx_multicast),
104 ICE_PF_STAT("rx_broadcast.nic", stats.eth.rx_broadcast),
105 ICE_PF_STAT("tx_broadcast.nic", stats.eth.tx_broadcast),
106 ICE_PF_STAT("tx_errors.nic", stats.eth.tx_errors),
107 ICE_PF_STAT("tx_timeout.nic", tx_timeout_count),
108 ICE_PF_STAT("rx_size_64.nic", stats.rx_size_64),
109 ICE_PF_STAT("tx_size_64.nic", stats.tx_size_64),
110 ICE_PF_STAT("rx_size_127.nic", stats.rx_size_127),
111 ICE_PF_STAT("tx_size_127.nic", stats.tx_size_127),
112 ICE_PF_STAT("rx_size_255.nic", stats.rx_size_255),
113 ICE_PF_STAT("tx_size_255.nic", stats.tx_size_255),
114 ICE_PF_STAT("rx_size_511.nic", stats.rx_size_511),
115 ICE_PF_STAT("tx_size_511.nic", stats.tx_size_511),
116 ICE_PF_STAT("rx_size_1023.nic", stats.rx_size_1023),
117 ICE_PF_STAT("tx_size_1023.nic", stats.tx_size_1023),
118 ICE_PF_STAT("rx_size_1522.nic", stats.rx_size_1522),
119 ICE_PF_STAT("tx_size_1522.nic", stats.tx_size_1522),
120 ICE_PF_STAT("rx_size_big.nic", stats.rx_size_big),
121 ICE_PF_STAT("tx_size_big.nic", stats.tx_size_big),
122 ICE_PF_STAT("link_xon_rx.nic", stats.link_xon_rx),
123 ICE_PF_STAT("link_xon_tx.nic", stats.link_xon_tx),
124 ICE_PF_STAT("link_xoff_rx.nic", stats.link_xoff_rx),
125 ICE_PF_STAT("link_xoff_tx.nic", stats.link_xoff_tx),
126 ICE_PF_STAT("tx_dropped_link_down.nic", stats.tx_dropped_link_down),
127 ICE_PF_STAT("rx_undersize.nic", stats.rx_undersize),
128 ICE_PF_STAT("rx_fragments.nic", stats.rx_fragments),
129 ICE_PF_STAT("rx_oversize.nic", stats.rx_oversize),
130 ICE_PF_STAT("rx_jabber.nic", stats.rx_jabber),
131 ICE_PF_STAT("rx_csum_bad.nic", hw_csum_rx_error),
132 ICE_PF_STAT("rx_length_errors.nic", stats.rx_len_errors),
133 ICE_PF_STAT("rx_dropped.nic", stats.eth.rx_discards),
134 ICE_PF_STAT("rx_crc_errors.nic", stats.crc_errors),
135 ICE_PF_STAT("illegal_bytes.nic", stats.illegal_bytes),
136 ICE_PF_STAT("mac_local_faults.nic", stats.mac_local_faults),
137 ICE_PF_STAT("mac_remote_faults.nic", stats.mac_remote_faults),
138 ICE_PF_STAT("fdir_sb_match.nic", stats.fd_sb_match),
139 ICE_PF_STAT("fdir_sb_status.nic", stats.fd_sb_status),
140 ICE_PF_STAT("tx_hwtstamp_skipped", ptp.tx_hwtstamp_skipped),
141 ICE_PF_STAT("tx_hwtstamp_timeouts", ptp.tx_hwtstamp_timeouts),
142 ICE_PF_STAT("tx_hwtstamp_flushed", ptp.tx_hwtstamp_flushed),
143 ICE_PF_STAT("tx_hwtstamp_discarded", ptp.tx_hwtstamp_discarded),
144 ICE_PF_STAT("late_cached_phc_updates", ptp.late_cached_phc_updates),
145};
146
147static const u32 ice_regs_dump_list[] = {
148 PFGEN_STATE,
149 PRTGEN_STATUS,
150 QRX_CTRL(0),
151 QINT_TQCTL(0),
152 QINT_RQCTL(0),
153 PFINT_OICR_ENA,
154 QRX_ITR(0),
155#define GLDCB_TLPM_PCI_DM 0x000A0180
156 GLDCB_TLPM_PCI_DM,
157#define GLDCB_TLPM_TC2PFC 0x000A0194
158 GLDCB_TLPM_TC2PFC,
159#define TCDCB_TLPM_WAIT_DM(_i) (0x000A0080 + ((_i) * 4))
160 TCDCB_TLPM_WAIT_DM(0),
161 TCDCB_TLPM_WAIT_DM(1),
162 TCDCB_TLPM_WAIT_DM(2),
163 TCDCB_TLPM_WAIT_DM(3),
164 TCDCB_TLPM_WAIT_DM(4),
165 TCDCB_TLPM_WAIT_DM(5),
166 TCDCB_TLPM_WAIT_DM(6),
167 TCDCB_TLPM_WAIT_DM(7),
168 TCDCB_TLPM_WAIT_DM(8),
169 TCDCB_TLPM_WAIT_DM(9),
170 TCDCB_TLPM_WAIT_DM(10),
171 TCDCB_TLPM_WAIT_DM(11),
172 TCDCB_TLPM_WAIT_DM(12),
173 TCDCB_TLPM_WAIT_DM(13),
174 TCDCB_TLPM_WAIT_DM(14),
175 TCDCB_TLPM_WAIT_DM(15),
176 TCDCB_TLPM_WAIT_DM(16),
177 TCDCB_TLPM_WAIT_DM(17),
178 TCDCB_TLPM_WAIT_DM(18),
179 TCDCB_TLPM_WAIT_DM(19),
180 TCDCB_TLPM_WAIT_DM(20),
181 TCDCB_TLPM_WAIT_DM(21),
182 TCDCB_TLPM_WAIT_DM(22),
183 TCDCB_TLPM_WAIT_DM(23),
184 TCDCB_TLPM_WAIT_DM(24),
185 TCDCB_TLPM_WAIT_DM(25),
186 TCDCB_TLPM_WAIT_DM(26),
187 TCDCB_TLPM_WAIT_DM(27),
188 TCDCB_TLPM_WAIT_DM(28),
189 TCDCB_TLPM_WAIT_DM(29),
190 TCDCB_TLPM_WAIT_DM(30),
191 TCDCB_TLPM_WAIT_DM(31),
192#define GLPCI_WATMK_CLNT_PIPEMON 0x000BFD90
193 GLPCI_WATMK_CLNT_PIPEMON,
194#define GLPCI_CUR_CLNT_COMMON 0x000BFD84
195 GLPCI_CUR_CLNT_COMMON,
196#define GLPCI_CUR_CLNT_PIPEMON 0x000BFD88
197 GLPCI_CUR_CLNT_PIPEMON,
198#define GLPCI_PCIERR 0x0009DEB0
199 GLPCI_PCIERR,
200#define GLPSM_DEBUG_CTL_STATUS 0x000B0600
201 GLPSM_DEBUG_CTL_STATUS,
202#define GLPSM0_DEBUG_FIFO_OVERFLOW_DETECT 0x000B0680
203 GLPSM0_DEBUG_FIFO_OVERFLOW_DETECT,
204#define GLPSM0_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B0684
205 GLPSM0_DEBUG_FIFO_UNDERFLOW_DETECT,
206#define GLPSM0_DEBUG_DT_OUT_OF_WINDOW 0x000B0688
207 GLPSM0_DEBUG_DT_OUT_OF_WINDOW,
208#define GLPSM0_DEBUG_INTF_HW_ERROR_DETECT 0x000B069C
209 GLPSM0_DEBUG_INTF_HW_ERROR_DETECT,
210#define GLPSM0_DEBUG_MISC_HW_ERROR_DETECT 0x000B06A0
211 GLPSM0_DEBUG_MISC_HW_ERROR_DETECT,
212#define GLPSM1_DEBUG_FIFO_OVERFLOW_DETECT 0x000B0E80
213 GLPSM1_DEBUG_FIFO_OVERFLOW_DETECT,
214#define GLPSM1_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B0E84
215 GLPSM1_DEBUG_FIFO_UNDERFLOW_DETECT,
216#define GLPSM1_DEBUG_SRL_FIFO_OVERFLOW_DETECT 0x000B0E88
217 GLPSM1_DEBUG_SRL_FIFO_OVERFLOW_DETECT,
218#define GLPSM1_DEBUG_SRL_FIFO_UNDERFLOW_DETECT 0x000B0E8C
219 GLPSM1_DEBUG_SRL_FIFO_UNDERFLOW_DETECT,
220#define GLPSM1_DEBUG_MISC_HW_ERROR_DETECT 0x000B0E90
221 GLPSM1_DEBUG_MISC_HW_ERROR_DETECT,
222#define GLPSM2_DEBUG_FIFO_OVERFLOW_DETECT 0x000B1680
223 GLPSM2_DEBUG_FIFO_OVERFLOW_DETECT,
224#define GLPSM2_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B1684
225 GLPSM2_DEBUG_FIFO_UNDERFLOW_DETECT,
226#define GLPSM2_DEBUG_MISC_HW_ERROR_DETECT 0x000B1688
227 GLPSM2_DEBUG_MISC_HW_ERROR_DETECT,
228#define GLTDPU_TCLAN_COMP_BOB(_i) (0x00049ADC + ((_i) * 4))
229 GLTDPU_TCLAN_COMP_BOB(1),
230 GLTDPU_TCLAN_COMP_BOB(2),
231 GLTDPU_TCLAN_COMP_BOB(3),
232 GLTDPU_TCLAN_COMP_BOB(4),
233 GLTDPU_TCLAN_COMP_BOB(5),
234 GLTDPU_TCLAN_COMP_BOB(6),
235 GLTDPU_TCLAN_COMP_BOB(7),
236 GLTDPU_TCLAN_COMP_BOB(8),
237#define GLTDPU_TCB_CMD_BOB(_i) (0x0004975C + ((_i) * 4))
238 GLTDPU_TCB_CMD_BOB(1),
239 GLTDPU_TCB_CMD_BOB(2),
240 GLTDPU_TCB_CMD_BOB(3),
241 GLTDPU_TCB_CMD_BOB(4),
242 GLTDPU_TCB_CMD_BOB(5),
243 GLTDPU_TCB_CMD_BOB(6),
244 GLTDPU_TCB_CMD_BOB(7),
245 GLTDPU_TCB_CMD_BOB(8),
246#define GLTDPU_PSM_UPDATE_BOB(_i) (0x00049B5C + ((_i) * 4))
247 GLTDPU_PSM_UPDATE_BOB(1),
248 GLTDPU_PSM_UPDATE_BOB(2),
249 GLTDPU_PSM_UPDATE_BOB(3),
250 GLTDPU_PSM_UPDATE_BOB(4),
251 GLTDPU_PSM_UPDATE_BOB(5),
252 GLTDPU_PSM_UPDATE_BOB(6),
253 GLTDPU_PSM_UPDATE_BOB(7),
254 GLTDPU_PSM_UPDATE_BOB(8),
255#define GLTCB_CMD_IN_BOB(_i) (0x000AE288 + ((_i) * 4))
256 GLTCB_CMD_IN_BOB(1),
257 GLTCB_CMD_IN_BOB(2),
258 GLTCB_CMD_IN_BOB(3),
259 GLTCB_CMD_IN_BOB(4),
260 GLTCB_CMD_IN_BOB(5),
261 GLTCB_CMD_IN_BOB(6),
262 GLTCB_CMD_IN_BOB(7),
263 GLTCB_CMD_IN_BOB(8),
264#define GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(_i) (0x000FC148 + ((_i) * 4))
265 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(1),
266 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(2),
267 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(3),
268 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(4),
269 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(5),
270 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(6),
271 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(7),
272 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(8),
273#define GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(_i) (0x000FC248 + ((_i) * 4))
274 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(1),
275 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(2),
276 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(3),
277 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(4),
278 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(5),
279 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(6),
280 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(7),
281 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(8),
282#define GLLAN_TCLAN_CACHE_CTL_BOB_CTL(_i) (0x000FC1C8 + ((_i) * 4))
283 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(1),
284 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(2),
285 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(3),
286 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(4),
287 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(5),
288 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(6),
289 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(7),
290 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(8),
291#define GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(_i) (0x000FC188 + ((_i) * 4))
292 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(1),
293 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(2),
294 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(3),
295 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(4),
296 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(5),
297 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(6),
298 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(7),
299 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(8),
300#define GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(_i) (0x000FC288 + ((_i) * 4))
301 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(1),
302 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(2),
303 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(3),
304 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(4),
305 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(5),
306 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(6),
307 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(7),
308 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(8),
309#define PRTDCB_TCUPM_REG_CM(_i) (0x000BC360 + ((_i) * 4))
310 PRTDCB_TCUPM_REG_CM(0),
311 PRTDCB_TCUPM_REG_CM(1),
312 PRTDCB_TCUPM_REG_CM(2),
313 PRTDCB_TCUPM_REG_CM(3),
314#define PRTDCB_TCUPM_REG_DM(_i) (0x000BC3A0 + ((_i) * 4))
315 PRTDCB_TCUPM_REG_DM(0),
316 PRTDCB_TCUPM_REG_DM(1),
317 PRTDCB_TCUPM_REG_DM(2),
318 PRTDCB_TCUPM_REG_DM(3),
319#define PRTDCB_TLPM_REG_DM(_i) (0x000A0000 + ((_i) * 4))
320 PRTDCB_TLPM_REG_DM(0),
321 PRTDCB_TLPM_REG_DM(1),
322 PRTDCB_TLPM_REG_DM(2),
323 PRTDCB_TLPM_REG_DM(3),
324};
325
326struct ice_priv_flag {
327 char name[ETH_GSTRING_LEN];
328 u32 bitno; /* bit position in pf->flags */
329};
330
331#define ICE_PRIV_FLAG(_name, _bitno) { \
332 .name = _name, \
333 .bitno = _bitno, \
334}
335
336static const struct ice_priv_flag ice_gstrings_priv_flags[] = {
337 ICE_PRIV_FLAG("link-down-on-close", ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA),
338 ICE_PRIV_FLAG("fw-lldp-agent", ICE_FLAG_FW_LLDP_AGENT),
339 ICE_PRIV_FLAG("vf-true-promisc-support",
340 ICE_FLAG_VF_TRUE_PROMISC_ENA),
341 ICE_PRIV_FLAG("mdd-auto-reset-vf", ICE_FLAG_MDD_AUTO_RESET_VF),
342 ICE_PRIV_FLAG("vf-vlan-pruning", ICE_FLAG_VF_VLAN_PRUNING),
343 ICE_PRIV_FLAG("legacy-rx", ICE_FLAG_LEGACY_RX),
344};
345
346#define ICE_PRIV_FLAG_ARRAY_SIZE ARRAY_SIZE(ice_gstrings_priv_flags)
347
348static const u32 ice_adv_lnk_speed_100[] __initconst = {
349 ETHTOOL_LINK_MODE_100baseT_Full_BIT,
350};
351
352static 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
358static const u32 ice_adv_lnk_speed_2500[] __initconst = {
359 ETHTOOL_LINK_MODE_2500baseT_Full_BIT,
360 ETHTOOL_LINK_MODE_2500baseX_Full_BIT,
361};
362
363static const u32 ice_adv_lnk_speed_5000[] __initconst = {
364 ETHTOOL_LINK_MODE_5000baseT_Full_BIT,
365};
366
367static 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
374static 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
380static 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
387static 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
393static 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
403static 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
411static 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
424void __init ice_adv_lnk_speed_maps_init(void)
425{
426 ethtool_forced_speed_maps_init(maps: ice_adv_lnk_speed_maps,
427 ARRAY_SIZE(ice_adv_lnk_speed_maps));
428}
429
430static void
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(p: drvinfo->driver, KBUILD_MODNAME, size: 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(buf: drvinfo->fw_version, size: sizeof(drvinfo->fw_version),
448 fmt: "%x.%02x 0x%x %d.%d.%d", nvm->major, nvm->minor,
449 nvm->eetrack, orom->major, orom->build, orom->patch);
450
451 strscpy(p: drvinfo->bus_info, q: pci_name(pdev: pf->pdev),
452 size: sizeof(drvinfo->bus_info));
453}
454
455static void
456ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
457{
458 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
459
460 __ice_get_drvinfo(netdev, drvinfo, vsi: np->vsi);
461 drvinfo->n_priv_flags = ICE_PRIV_FLAG_ARRAY_SIZE;
462}
463
464static int ice_get_regs_len(struct net_device __always_unused *netdev)
465{
466 return sizeof(ice_regs_dump_list);
467}
468
469static void
470ice_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p)
471{
472 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
473 struct ice_pf *pf = np->vsi->back;
474 struct ice_hw *hw = &pf->hw;
475 u32 *regs_buf = (u32 *)p;
476 unsigned int i;
477
478 regs->version = 1;
479
480 for (i = 0; i < ARRAY_SIZE(ice_regs_dump_list); ++i)
481 regs_buf[i] = rd32(hw, ice_regs_dump_list[i]);
482}
483
484static u32 ice_get_msglevel(struct net_device *netdev)
485{
486 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
487 struct ice_pf *pf = np->vsi->back;
488
489#ifndef CONFIG_DYNAMIC_DEBUG
490 if (pf->hw.debug_mask)
491 netdev_info(netdev, "hw debug_mask: 0x%llX\n",
492 pf->hw.debug_mask);
493#endif /* !CONFIG_DYNAMIC_DEBUG */
494
495 return pf->msg_enable;
496}
497
498static void ice_set_msglevel(struct net_device *netdev, u32 data)
499{
500 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
501 struct ice_pf *pf = np->vsi->back;
502
503#ifndef CONFIG_DYNAMIC_DEBUG
504 if (ICE_DBG_USER & data)
505 pf->hw.debug_mask = data;
506 else
507 pf->msg_enable = data;
508#else
509 pf->msg_enable = data;
510#endif /* !CONFIG_DYNAMIC_DEBUG */
511}
512
513static int ice_get_eeprom_len(struct net_device *netdev)
514{
515 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
516 struct ice_pf *pf = np->vsi->back;
517
518 return (int)pf->hw.flash.flash_size;
519}
520
521static int
522ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
523 u8 *bytes)
524{
525 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
526 struct ice_vsi *vsi = np->vsi;
527 struct ice_pf *pf = vsi->back;
528 struct ice_hw *hw = &pf->hw;
529 struct device *dev;
530 int ret;
531 u8 *buf;
532
533 dev = ice_pf_to_dev(pf);
534
535 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
536 netdev_dbg(netdev, "GEEPROM cmd 0x%08x, offset 0x%08x, len 0x%08x\n",
537 eeprom->cmd, eeprom->offset, eeprom->len);
538
539 buf = kzalloc(size: eeprom->len, GFP_KERNEL);
540 if (!buf)
541 return -ENOMEM;
542
543 ret = ice_acquire_nvm(hw, access: ICE_RES_READ);
544 if (ret) {
545 dev_err(dev, "ice_acquire_nvm failed, err %d aq_err %s\n",
546 ret, ice_aq_str(hw->adminq.sq_last_status));
547 goto out;
548 }
549
550 ret = ice_read_flat_nvm(hw, offset: eeprom->offset, length: &eeprom->len, data: buf,
551 read_shadow_ram: false);
552 if (ret) {
553 dev_err(dev, "ice_read_flat_nvm failed, err %d aq_err %s\n",
554 ret, ice_aq_str(hw->adminq.sq_last_status));
555 goto release;
556 }
557
558 memcpy(bytes, buf, eeprom->len);
559release:
560 ice_release_nvm(hw);
561out:
562 kfree(objp: buf);
563 return ret;
564}
565
566/**
567 * ice_active_vfs - check if there are any active VFs
568 * @pf: board private structure
569 *
570 * Returns true if an active VF is found, otherwise returns false
571 */
572static bool ice_active_vfs(struct ice_pf *pf)
573{
574 bool active = false;
575 struct ice_vf *vf;
576 unsigned int bkt;
577
578 rcu_read_lock();
579 ice_for_each_vf_rcu(pf, bkt, vf) {
580 if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
581 active = true;
582 break;
583 }
584 }
585 rcu_read_unlock();
586
587 return active;
588}
589
590/**
591 * ice_link_test - perform a link test on a given net_device
592 * @netdev: network interface device structure
593 *
594 * This function performs one of the self-tests required by ethtool.
595 * Returns 0 on success, non-zero on failure.
596 */
597static u64 ice_link_test(struct net_device *netdev)
598{
599 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
600 bool link_up = false;
601 int status;
602
603 netdev_info(dev: netdev, format: "link test\n");
604 status = ice_get_link_status(pi: np->vsi->port_info, link_up: &link_up);
605 if (status) {
606 netdev_err(dev: netdev, format: "link query error, status = %d\n",
607 status);
608 return 1;
609 }
610
611 if (!link_up)
612 return 2;
613
614 return 0;
615}
616
617/**
618 * ice_eeprom_test - perform an EEPROM test on a given net_device
619 * @netdev: network interface device structure
620 *
621 * This function performs one of the self-tests required by ethtool.
622 * Returns 0 on success, non-zero on failure.
623 */
624static u64 ice_eeprom_test(struct net_device *netdev)
625{
626 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
627 struct ice_pf *pf = np->vsi->back;
628
629 netdev_info(dev: netdev, format: "EEPROM test\n");
630 return !!(ice_nvm_validate_checksum(hw: &pf->hw));
631}
632
633/**
634 * ice_reg_pattern_test
635 * @hw: pointer to the HW struct
636 * @reg: reg to be tested
637 * @mask: bits to be touched
638 */
639static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask)
640{
641 struct ice_pf *pf = (struct ice_pf *)hw->back;
642 struct device *dev = ice_pf_to_dev(pf);
643 static const u32 patterns[] = {
644 0x5A5A5A5A, 0xA5A5A5A5,
645 0x00000000, 0xFFFFFFFF
646 };
647 u32 val, orig_val;
648 unsigned int i;
649
650 orig_val = rd32(hw, reg);
651 for (i = 0; i < ARRAY_SIZE(patterns); ++i) {
652 u32 pattern = patterns[i] & mask;
653
654 wr32(hw, reg, pattern);
655 val = rd32(hw, reg);
656 if (val == pattern)
657 continue;
658 dev_err(dev, "%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n"
659 , __func__, reg, pattern, val);
660 return 1;
661 }
662
663 wr32(hw, reg, orig_val);
664 val = rd32(hw, reg);
665 if (val != orig_val) {
666 dev_err(dev, "%s: reg restore test failed - reg 0x%08x orig 0x%08x val 0x%08x\n"
667 , __func__, reg, orig_val, val);
668 return 1;
669 }
670
671 return 0;
672}
673
674/**
675 * ice_reg_test - perform a register test on a given net_device
676 * @netdev: network interface device structure
677 *
678 * This function performs one of the self-tests required by ethtool.
679 * Returns 0 on success, non-zero on failure.
680 */
681static u64 ice_reg_test(struct net_device *netdev)
682{
683 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
684 struct ice_hw *hw = np->vsi->port_info->hw;
685 u32 int_elements = hw->func_caps.common_cap.num_msix_vectors ?
686 hw->func_caps.common_cap.num_msix_vectors - 1 : 1;
687 struct ice_diag_reg_test_info {
688 u32 address;
689 u32 mask;
690 u32 elem_num;
691 u32 elem_size;
692 } ice_reg_list[] = {
693 {GLINT_ITR(0, 0), 0x00000fff, int_elements,
694 GLINT_ITR(0, 1) - GLINT_ITR(0, 0)},
695 {GLINT_ITR(1, 0), 0x00000fff, int_elements,
696 GLINT_ITR(1, 1) - GLINT_ITR(1, 0)},
697 {GLINT_ITR(0, 0), 0x00000fff, int_elements,
698 GLINT_ITR(2, 1) - GLINT_ITR(2, 0)},
699 {GLINT_CTL, 0xffff0001, 1, 0}
700 };
701 unsigned int i;
702
703 netdev_dbg(netdev, "Register test\n");
704 for (i = 0; i < ARRAY_SIZE(ice_reg_list); ++i) {
705 u32 j;
706
707 for (j = 0; j < ice_reg_list[i].elem_num; ++j) {
708 u32 mask = ice_reg_list[i].mask;
709 u32 reg = ice_reg_list[i].address +
710 (j * ice_reg_list[i].elem_size);
711
712 /* bail on failure (non-zero return) */
713 if (ice_reg_pattern_test(hw, reg, mask))
714 return 1;
715 }
716 }
717
718 return 0;
719}
720
721/**
722 * ice_lbtest_prepare_rings - configure Tx/Rx test rings
723 * @vsi: pointer to the VSI structure
724 *
725 * Function configures rings of a VSI for loopback test without
726 * enabling interrupts or informing the kernel about new queues.
727 *
728 * Returns 0 on success, negative on failure.
729 */
730static int ice_lbtest_prepare_rings(struct ice_vsi *vsi)
731{
732 int status;
733
734 status = ice_vsi_setup_tx_rings(vsi);
735 if (status)
736 goto err_setup_tx_ring;
737
738 status = ice_vsi_setup_rx_rings(vsi);
739 if (status)
740 goto err_setup_rx_ring;
741
742 status = ice_vsi_cfg_lan(vsi);
743 if (status)
744 goto err_setup_rx_ring;
745
746 status = ice_vsi_start_all_rx_rings(vsi);
747 if (status)
748 goto err_start_rx_ring;
749
750 return 0;
751
752err_start_rx_ring:
753 ice_vsi_free_rx_rings(vsi);
754err_setup_rx_ring:
755 ice_vsi_stop_lan_tx_rings(vsi, rst_src: ICE_NO_RESET, rel_vmvf_num: 0);
756err_setup_tx_ring:
757 ice_vsi_free_tx_rings(vsi);
758
759 return status;
760}
761
762/**
763 * ice_lbtest_disable_rings - disable Tx/Rx test rings after loopback test
764 * @vsi: pointer to the VSI structure
765 *
766 * Function stops and frees VSI rings after a loopback test.
767 * Returns 0 on success, negative on failure.
768 */
769static int ice_lbtest_disable_rings(struct ice_vsi *vsi)
770{
771 int status;
772
773 status = ice_vsi_stop_lan_tx_rings(vsi, rst_src: ICE_NO_RESET, rel_vmvf_num: 0);
774 if (status)
775 netdev_err(dev: vsi->netdev, format: "Failed to stop Tx rings, VSI %d error %d\n",
776 vsi->vsi_num, status);
777
778 status = ice_vsi_stop_all_rx_rings(vsi);
779 if (status)
780 netdev_err(dev: vsi->netdev, format: "Failed to stop Rx rings, VSI %d error %d\n",
781 vsi->vsi_num, status);
782
783 ice_vsi_free_tx_rings(vsi);
784 ice_vsi_free_rx_rings(vsi);
785
786 return status;
787}
788
789/**
790 * ice_lbtest_create_frame - create test packet
791 * @pf: pointer to the PF structure
792 * @ret_data: allocated frame buffer
793 * @size: size of the packet data
794 *
795 * Function allocates a frame with a test pattern on specific offsets.
796 * Returns 0 on success, non-zero on failure.
797 */
798static int ice_lbtest_create_frame(struct ice_pf *pf, u8 **ret_data, u16 size)
799{
800 u8 *data;
801
802 if (!pf)
803 return -EINVAL;
804
805 data = devm_kzalloc(ice_pf_to_dev(pf), size, GFP_KERNEL);
806 if (!data)
807 return -ENOMEM;
808
809 /* Since the ethernet test frame should always be at least
810 * 64 bytes long, fill some octets in the payload with test data.
811 */
812 memset(data, 0xFF, size);
813 data[32] = 0xDE;
814 data[42] = 0xAD;
815 data[44] = 0xBE;
816 data[46] = 0xEF;
817
818 *ret_data = data;
819
820 return 0;
821}
822
823/**
824 * ice_lbtest_check_frame - verify received loopback frame
825 * @frame: pointer to the raw packet data
826 *
827 * Function verifies received test frame with a pattern.
828 * Returns true if frame matches the pattern, false otherwise.
829 */
830static bool ice_lbtest_check_frame(u8 *frame)
831{
832 /* Validate bytes of a frame under offsets chosen earlier */
833 if (frame[32] == 0xDE &&
834 frame[42] == 0xAD &&
835 frame[44] == 0xBE &&
836 frame[46] == 0xEF &&
837 frame[48] == 0xFF)
838 return true;
839
840 return false;
841}
842
843/**
844 * ice_diag_send - send test frames to the test ring
845 * @tx_ring: pointer to the transmit ring
846 * @data: pointer to the raw packet data
847 * @size: size of the packet to send
848 *
849 * Function sends loopback packets on a test Tx ring.
850 */
851static int ice_diag_send(struct ice_tx_ring *tx_ring, u8 *data, u16 size)
852{
853 struct ice_tx_desc *tx_desc;
854 struct ice_tx_buf *tx_buf;
855 dma_addr_t dma;
856 u64 td_cmd;
857
858 tx_desc = ICE_TX_DESC(tx_ring, tx_ring->next_to_use);
859 tx_buf = &tx_ring->tx_buf[tx_ring->next_to_use];
860
861 dma = dma_map_single(tx_ring->dev, data, size, DMA_TO_DEVICE);
862 if (dma_mapping_error(dev: tx_ring->dev, dma_addr: dma))
863 return -EINVAL;
864
865 tx_desc->buf_addr = cpu_to_le64(dma);
866
867 /* These flags are required for a descriptor to be pushed out */
868 td_cmd = (u64)(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS);
869 tx_desc->cmd_type_offset_bsz =
870 cpu_to_le64(ICE_TX_DESC_DTYPE_DATA |
871 (td_cmd << ICE_TXD_QW1_CMD_S) |
872 ((u64)0 << ICE_TXD_QW1_OFFSET_S) |
873 ((u64)size << ICE_TXD_QW1_TX_BUF_SZ_S) |
874 ((u64)0 << ICE_TXD_QW1_L2TAG1_S));
875
876 tx_buf->next_to_watch = tx_desc;
877
878 /* Force memory write to complete before letting h/w know
879 * there are new descriptors to fetch.
880 */
881 wmb();
882
883 tx_ring->next_to_use++;
884 if (tx_ring->next_to_use >= tx_ring->count)
885 tx_ring->next_to_use = 0;
886
887 writel_relaxed(tx_ring->next_to_use, tx_ring->tail);
888
889 /* Wait until the packets get transmitted to the receive queue. */
890 usleep_range(min: 1000, max: 2000);
891 dma_unmap_single(tx_ring->dev, dma, size, DMA_TO_DEVICE);
892
893 return 0;
894}
895
896#define ICE_LB_FRAME_SIZE 64
897/**
898 * ice_lbtest_receive_frames - receive and verify test frames
899 * @rx_ring: pointer to the receive ring
900 *
901 * Function receives loopback packets and verify their correctness.
902 * Returns number of received valid frames.
903 */
904static int ice_lbtest_receive_frames(struct ice_rx_ring *rx_ring)
905{
906 struct ice_rx_buf *rx_buf;
907 int valid_frames, i;
908 u8 *received_buf;
909
910 valid_frames = 0;
911
912 for (i = 0; i < rx_ring->count; i++) {
913 union ice_32b_rx_flex_desc *rx_desc;
914
915 rx_desc = ICE_RX_DESC(rx_ring, i);
916
917 if (!(rx_desc->wb.status_error0 &
918 (cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_DD_S)) |
919 cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_EOF_S)))))
920 continue;
921
922 rx_buf = &rx_ring->rx_buf[i];
923 received_buf = page_address(rx_buf->page) + rx_buf->page_offset;
924
925 if (ice_lbtest_check_frame(frame: received_buf))
926 valid_frames++;
927 }
928
929 return valid_frames;
930}
931
932/**
933 * ice_loopback_test - perform a loopback test on a given net_device
934 * @netdev: network interface device structure
935 *
936 * This function performs one of the self-tests required by ethtool.
937 * Returns 0 on success, non-zero on failure.
938 */
939static u64 ice_loopback_test(struct net_device *netdev)
940{
941 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
942 struct ice_vsi *orig_vsi = np->vsi, *test_vsi;
943 struct ice_pf *pf = orig_vsi->back;
944 u8 broadcast[ETH_ALEN], ret = 0;
945 int num_frames, valid_frames;
946 struct ice_tx_ring *tx_ring;
947 struct ice_rx_ring *rx_ring;
948 struct device *dev;
949 u8 *tx_frame;
950 int i;
951
952 dev = ice_pf_to_dev(pf);
953 netdev_info(dev: netdev, format: "loopback test\n");
954
955 test_vsi = ice_lb_vsi_setup(pf, pi: pf->hw.port_info);
956 if (!test_vsi) {
957 netdev_err(dev: netdev, format: "Failed to create a VSI for the loopback test\n");
958 return 1;
959 }
960
961 test_vsi->netdev = netdev;
962 tx_ring = test_vsi->tx_rings[0];
963 rx_ring = test_vsi->rx_rings[0];
964
965 if (ice_lbtest_prepare_rings(vsi: test_vsi)) {
966 ret = 2;
967 goto lbtest_vsi_close;
968 }
969
970 if (ice_alloc_rx_bufs(rxr: rx_ring, cleaned_count: rx_ring->count)) {
971 ret = 3;
972 goto lbtest_rings_dis;
973 }
974
975 /* Enable MAC loopback in firmware */
976 if (ice_aq_set_mac_loopback(hw: &pf->hw, ena_lpbk: true, NULL)) {
977 ret = 4;
978 goto lbtest_mac_dis;
979 }
980
981 /* Test VSI needs to receive broadcast packets */
982 eth_broadcast_addr(addr: broadcast);
983 if (ice_fltr_add_mac(vsi: test_vsi, mac: broadcast, action: ICE_FWD_TO_VSI)) {
984 ret = 5;
985 goto lbtest_mac_dis;
986 }
987
988 if (ice_lbtest_create_frame(pf, ret_data: &tx_frame, ICE_LB_FRAME_SIZE)) {
989 ret = 7;
990 goto remove_mac_filters;
991 }
992
993 num_frames = min_t(int, tx_ring->count, 32);
994 for (i = 0; i < num_frames; i++) {
995 if (ice_diag_send(tx_ring, data: tx_frame, ICE_LB_FRAME_SIZE)) {
996 ret = 8;
997 goto lbtest_free_frame;
998 }
999 }
1000
1001 valid_frames = ice_lbtest_receive_frames(rx_ring);
1002 if (!valid_frames)
1003 ret = 9;
1004 else if (valid_frames != num_frames)
1005 ret = 10;
1006
1007lbtest_free_frame:
1008 devm_kfree(dev, p: tx_frame);
1009remove_mac_filters:
1010 if (ice_fltr_remove_mac(vsi: test_vsi, mac: broadcast, action: ICE_FWD_TO_VSI))
1011 netdev_err(dev: netdev, format: "Could not remove MAC filter for the test VSI\n");
1012lbtest_mac_dis:
1013 /* Disable MAC loopback after the test is completed. */
1014 if (ice_aq_set_mac_loopback(hw: &pf->hw, ena_lpbk: false, NULL))
1015 netdev_err(dev: netdev, format: "Could not disable MAC loopback\n");
1016lbtest_rings_dis:
1017 if (ice_lbtest_disable_rings(vsi: test_vsi))
1018 netdev_err(dev: netdev, format: "Could not disable test rings\n");
1019lbtest_vsi_close:
1020 test_vsi->netdev = NULL;
1021 if (ice_vsi_release(vsi: test_vsi))
1022 netdev_err(dev: netdev, format: "Failed to remove the test VSI\n");
1023
1024 return ret;
1025}
1026
1027/**
1028 * ice_intr_test - perform an interrupt test on a given net_device
1029 * @netdev: network interface device structure
1030 *
1031 * This function performs one of the self-tests required by ethtool.
1032 * Returns 0 on success, non-zero on failure.
1033 */
1034static u64 ice_intr_test(struct net_device *netdev)
1035{
1036 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
1037 struct ice_pf *pf = np->vsi->back;
1038 u16 swic_old = pf->sw_int_count;
1039
1040 netdev_info(dev: netdev, format: "interrupt test\n");
1041
1042 wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_irq.index),
1043 GLINT_DYN_CTL_SW_ITR_INDX_M |
1044 GLINT_DYN_CTL_INTENA_MSK_M |
1045 GLINT_DYN_CTL_SWINT_TRIG_M);
1046
1047 usleep_range(min: 1000, max: 2000);
1048 return (swic_old == pf->sw_int_count);
1049}
1050
1051/**
1052 * ice_self_test - handler function for performing a self-test by ethtool
1053 * @netdev: network interface device structure
1054 * @eth_test: ethtool_test structure
1055 * @data: required by ethtool.self_test
1056 *
1057 * This function is called after invoking 'ethtool -t devname' command where
1058 * devname is the name of the network device on which ethtool should operate.
1059 * It performs a set of self-tests to check if a device works properly.
1060 */
1061static void
1062ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test,
1063 u64 *data)
1064{
1065 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
1066 bool if_running = netif_running(dev: netdev);
1067 struct ice_pf *pf = np->vsi->back;
1068 struct device *dev;
1069
1070 dev = ice_pf_to_dev(pf);
1071
1072 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1073 netdev_info(dev: netdev, format: "offline testing starting\n");
1074
1075 set_bit(nr: ICE_TESTING, addr: pf->state);
1076
1077 if (ice_active_vfs(pf)) {
1078 dev_warn(dev, "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n");
1079 data[ICE_ETH_TEST_REG] = 1;
1080 data[ICE_ETH_TEST_EEPROM] = 1;
1081 data[ICE_ETH_TEST_INTR] = 1;
1082 data[ICE_ETH_TEST_LOOP] = 1;
1083 data[ICE_ETH_TEST_LINK] = 1;
1084 eth_test->flags |= ETH_TEST_FL_FAILED;
1085 clear_bit(nr: ICE_TESTING, addr: pf->state);
1086 goto skip_ol_tests;
1087 }
1088 /* If the device is online then take it offline */
1089 if (if_running)
1090 /* indicate we're in test mode */
1091 ice_stop(netdev);
1092
1093 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev);
1094 data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev);
1095 data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev);
1096 data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev);
1097 data[ICE_ETH_TEST_REG] = ice_reg_test(netdev);
1098
1099 if (data[ICE_ETH_TEST_LINK] ||
1100 data[ICE_ETH_TEST_EEPROM] ||
1101 data[ICE_ETH_TEST_LOOP] ||
1102 data[ICE_ETH_TEST_INTR] ||
1103 data[ICE_ETH_TEST_REG])
1104 eth_test->flags |= ETH_TEST_FL_FAILED;
1105
1106 clear_bit(nr: ICE_TESTING, addr: pf->state);
1107
1108 if (if_running) {
1109 int status = ice_open(netdev);
1110
1111 if (status) {
1112 dev_err(dev, "Could not open device %s, err %d\n",
1113 pf->int_name, status);
1114 }
1115 }
1116 } else {
1117 /* Online tests */
1118 netdev_info(dev: netdev, format: "online testing starting\n");
1119
1120 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev);
1121 if (data[ICE_ETH_TEST_LINK])
1122 eth_test->flags |= ETH_TEST_FL_FAILED;
1123
1124 /* Offline only tests, not run in online; pass by default */
1125 data[ICE_ETH_TEST_REG] = 0;
1126 data[ICE_ETH_TEST_EEPROM] = 0;
1127 data[ICE_ETH_TEST_INTR] = 0;
1128 data[ICE_ETH_TEST_LOOP] = 0;
1129 }
1130
1131skip_ol_tests:
1132 netdev_info(dev: netdev, format: "testing finished\n");
1133}
1134
1135static void
1136__ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data,
1137 struct ice_vsi *vsi)
1138{
1139 unsigned int i;
1140 u8 *p = data;
1141
1142 switch (stringset) {
1143 case ETH_SS_STATS:
1144 for (i = 0; i < ICE_VSI_STATS_LEN; i++)
1145 ethtool_sprintf(data: &p, fmt: "%s",
1146 ice_gstrings_vsi_stats[i].stat_string);
1147
1148 if (ice_is_port_repr_netdev(netdev))
1149 return;
1150
1151 ice_for_each_alloc_txq(vsi, i) {
1152 ethtool_sprintf(data: &p, fmt: "tx_queue_%u_packets", i);
1153 ethtool_sprintf(data: &p, fmt: "tx_queue_%u_bytes", i);
1154 }
1155
1156 ice_for_each_alloc_rxq(vsi, i) {
1157 ethtool_sprintf(data: &p, fmt: "rx_queue_%u_packets", i);
1158 ethtool_sprintf(data: &p, fmt: "rx_queue_%u_bytes", i);
1159 }
1160
1161 if (vsi->type != ICE_VSI_PF)
1162 return;
1163
1164 for (i = 0; i < ICE_PF_STATS_LEN; i++)
1165 ethtool_sprintf(data: &p, fmt: "%s",
1166 ice_gstrings_pf_stats[i].stat_string);
1167
1168 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
1169 ethtool_sprintf(data: &p, fmt: "tx_priority_%u_xon.nic", i);
1170 ethtool_sprintf(data: &p, fmt: "tx_priority_%u_xoff.nic", i);
1171 }
1172 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
1173 ethtool_sprintf(data: &p, fmt: "rx_priority_%u_xon.nic", i);
1174 ethtool_sprintf(data: &p, fmt: "rx_priority_%u_xoff.nic", i);
1175 }
1176 break;
1177 case ETH_SS_TEST:
1178 memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN);
1179 break;
1180 case ETH_SS_PRIV_FLAGS:
1181 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++)
1182 ethtool_sprintf(data: &p, fmt: "%s",
1183 ice_gstrings_priv_flags[i].name);
1184 break;
1185 default:
1186 break;
1187 }
1188}
1189
1190static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
1191{
1192 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
1193
1194 __ice_get_strings(netdev, stringset, data, vsi: np->vsi);
1195}
1196
1197static int
1198ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state)
1199{
1200 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
1201 bool led_active;
1202
1203 switch (state) {
1204 case ETHTOOL_ID_ACTIVE:
1205 led_active = true;
1206 break;
1207 case ETHTOOL_ID_INACTIVE:
1208 led_active = false;
1209 break;
1210 default:
1211 return -EINVAL;
1212 }
1213
1214 if (ice_aq_set_port_id_led(pi: np->vsi->port_info, is_orig_mode: !led_active, NULL))
1215 return -EIO;
1216
1217 return 0;
1218}
1219
1220/**
1221 * ice_set_fec_cfg - Set link FEC options
1222 * @netdev: network interface device structure
1223 * @req_fec: FEC mode to configure
1224 */
1225static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec)
1226{
1227 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
1228 struct ice_aqc_set_phy_cfg_data config = { 0 };
1229 struct ice_vsi *vsi = np->vsi;
1230 struct ice_port_info *pi;
1231
1232 pi = vsi->port_info;
1233 if (!pi)
1234 return -EOPNOTSUPP;
1235
1236 /* Changing the FEC parameters is not supported if not the PF VSI */
1237 if (vsi->type != ICE_VSI_PF) {
1238 netdev_info(dev: netdev, format: "Changing FEC parameters only supported for PF VSI\n");
1239 return -EOPNOTSUPP;
1240 }
1241
1242 /* Proceed only if requesting different FEC mode */
1243 if (pi->phy.curr_user_fec_req == req_fec)
1244 return 0;
1245
1246 /* Copy the current user PHY configuration. The current user PHY
1247 * configuration is initialized during probe from PHY capabilities
1248 * software mode, and updated on set PHY configuration.
1249 */
1250 memcpy(&config, &pi->phy.curr_user_phy_cfg, sizeof(config));
1251
1252 ice_cfg_phy_fec(pi, cfg: &config, fec: req_fec);
1253 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
1254
1255 if (ice_aq_set_phy_cfg(hw: pi->hw, pi, cfg: &config, NULL))
1256 return -EAGAIN;
1257
1258 /* Save requested FEC config */
1259 pi->phy.curr_user_fec_req = req_fec;
1260
1261 return 0;
1262}
1263
1264/**
1265 * ice_set_fecparam - Set FEC link options
1266 * @netdev: network interface device structure
1267 * @fecparam: Ethtool structure to retrieve FEC parameters
1268 */
1269static int
1270ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam)
1271{
1272 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
1273 struct ice_vsi *vsi = np->vsi;
1274 enum ice_fec_mode fec;
1275
1276 switch (fecparam->fec) {
1277 case ETHTOOL_FEC_AUTO:
1278 fec = ICE_FEC_AUTO;
1279 break;
1280 case ETHTOOL_FEC_RS:
1281 fec = ICE_FEC_RS;
1282 break;
1283 case ETHTOOL_FEC_BASER:
1284 fec = ICE_FEC_BASER;
1285 break;
1286 case ETHTOOL_FEC_OFF:
1287 case ETHTOOL_FEC_NONE:
1288 fec = ICE_FEC_NONE;
1289 break;
1290 default:
1291 dev_warn(ice_pf_to_dev(vsi->back), "Unsupported FEC mode: %d\n",
1292 fecparam->fec);
1293 return -EINVAL;
1294 }
1295
1296 return ice_set_fec_cfg(netdev, req_fec: fec);
1297}
1298
1299/**
1300 * ice_get_fecparam - Get link FEC options
1301 * @netdev: network interface device structure
1302 * @fecparam: Ethtool structure to retrieve FEC parameters
1303 */
1304static int
1305ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam)
1306{
1307 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
1308 struct ice_aqc_get_phy_caps_data *caps;
1309 struct ice_link_status *link_info;
1310 struct ice_vsi *vsi = np->vsi;
1311 struct ice_port_info *pi;
1312 int err;
1313
1314 pi = vsi->port_info;
1315
1316 if (!pi)
1317 return -EOPNOTSUPP;
1318 link_info = &pi->phy.link_info;
1319
1320 /* Set FEC mode based on negotiated link info */
1321 switch (link_info->fec_info) {
1322 case ICE_AQ_LINK_25G_KR_FEC_EN:
1323 fecparam->active_fec = ETHTOOL_FEC_BASER;
1324 break;
1325 case ICE_AQ_LINK_25G_RS_528_FEC_EN:
1326 case ICE_AQ_LINK_25G_RS_544_FEC_EN:
1327 fecparam->active_fec = ETHTOOL_FEC_RS;
1328 break;
1329 default:
1330 fecparam->active_fec = ETHTOOL_FEC_OFF;
1331 break;
1332 }
1333
1334 caps = kzalloc(size: sizeof(*caps), GFP_KERNEL);
1335 if (!caps)
1336 return -ENOMEM;
1337
1338 err = ice_aq_get_phy_caps(pi, qual_mods: false, ICE_AQC_REPORT_TOPO_CAP_MEDIA,
1339 caps, NULL);
1340 if (err)
1341 goto done;
1342
1343 /* Set supported/configured FEC modes based on PHY capability */
1344 if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC)
1345 fecparam->fec |= ETHTOOL_FEC_AUTO;
1346 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN ||
1347 caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ ||
1348 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN ||
1349 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ)
1350 fecparam->fec |= ETHTOOL_FEC_BASER;
1351 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ ||
1352 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ ||
1353 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN)
1354 fecparam->fec |= ETHTOOL_FEC_RS;
1355 if (caps->link_fec_options == 0)
1356 fecparam->fec |= ETHTOOL_FEC_OFF;
1357
1358done:
1359 kfree(objp: caps);
1360 return err;
1361}
1362
1363/**
1364 * ice_nway_reset - restart autonegotiation
1365 * @netdev: network interface device structure
1366 */
1367static int ice_nway_reset(struct net_device *netdev)
1368{
1369 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
1370 struct ice_vsi *vsi = np->vsi;
1371 int err;
1372
1373 /* If VSI state is up, then restart autoneg with link up */
1374 if (!test_bit(ICE_DOWN, vsi->back->state))
1375 err = ice_set_link(vsi, ena: true);
1376 else
1377 err = ice_set_link(vsi, ena: false);
1378
1379 return err;
1380}
1381
1382/**
1383 * ice_get_priv_flags - report device private flags
1384 * @netdev: network interface device structure
1385 *
1386 * The get string set count and the string set should be matched for each
1387 * flag returned. Add new strings for each flag to the ice_gstrings_priv_flags
1388 * array.
1389 *
1390 * Returns a u32 bitmap of flags.
1391 */
1392static u32 ice_get_priv_flags(struct net_device *netdev)
1393{
1394 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
1395 struct ice_vsi *vsi = np->vsi;
1396 struct ice_pf *pf = vsi->back;
1397 u32 i, ret_flags = 0;
1398
1399 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {
1400 const struct ice_priv_flag *priv_flag;
1401
1402 priv_flag = &ice_gstrings_priv_flags[i];
1403
1404 if (test_bit(priv_flag->bitno, pf->flags))
1405 ret_flags |= BIT(i);
1406 }
1407
1408 return ret_flags;
1409}
1410
1411/**
1412 * ice_set_priv_flags - set private flags
1413 * @netdev: network interface device structure
1414 * @flags: bit flags to be set
1415 */
1416static int ice_set_priv_flags(struct net_device *netdev, u32 flags)
1417{
1418 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
1419 DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS);
1420 DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS);
1421 struct ice_vsi *vsi = np->vsi;
1422 struct ice_pf *pf = vsi->back;
1423 struct device *dev;
1424 int ret = 0;
1425 u32 i;
1426
1427 if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE))
1428 return -EINVAL;
1429
1430 dev = ice_pf_to_dev(pf);
1431 set_bit(nr: ICE_FLAG_ETHTOOL_CTXT, addr: pf->flags);
1432
1433 bitmap_copy(dst: orig_flags, src: pf->flags, nbits: ICE_PF_FLAGS_NBITS);
1434 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {
1435 const struct ice_priv_flag *priv_flag;
1436
1437 priv_flag = &ice_gstrings_priv_flags[i];
1438
1439 if (flags & BIT(i))
1440 set_bit(nr: priv_flag->bitno, addr: pf->flags);
1441 else
1442 clear_bit(nr: priv_flag->bitno, addr: pf->flags);
1443 }
1444
1445 bitmap_xor(dst: change_flags, src1: pf->flags, src2: orig_flags, nbits: ICE_PF_FLAGS_NBITS);
1446
1447 /* Do not allow change to link-down-on-close when Total Port Shutdown
1448 * is enabled.
1449 */
1450 if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, change_flags) &&
1451 test_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags)) {
1452 dev_err(dev, "Setting link-down-on-close not supported on this port\n");
1453 set_bit(nr: ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, addr: pf->flags);
1454 ret = -EINVAL;
1455 goto ethtool_exit;
1456 }
1457
1458 if (test_bit(ICE_FLAG_FW_LLDP_AGENT, change_flags)) {
1459 if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) {
1460 int status;
1461
1462 /* Disable FW LLDP engine */
1463 status = ice_cfg_lldp_mib_change(hw: &pf->hw, ena_mib: false);
1464
1465 /* If unregistering for LLDP events fails, this is
1466 * not an error state, as there shouldn't be any
1467 * events to respond to.
1468 */
1469 if (status)
1470 dev_info(dev, "Failed to unreg for LLDP events\n");
1471
1472 /* The AQ call to stop the FW LLDP agent will generate
1473 * an error if the agent is already stopped.
1474 */
1475 status = ice_aq_stop_lldp(hw: &pf->hw, shutdown_lldp_agent: true, persist: true, NULL);
1476 if (status)
1477 dev_warn(dev, "Fail to stop LLDP agent\n");
1478 /* Use case for having the FW LLDP agent stopped
1479 * will likely not need DCB, so failure to init is
1480 * not a concern of ethtool
1481 */
1482 status = ice_init_pf_dcb(pf, locked: true);
1483 if (status)
1484 dev_warn(dev, "Fail to init DCB\n");
1485
1486 pf->dcbx_cap &= ~DCB_CAP_DCBX_LLD_MANAGED;
1487 pf->dcbx_cap |= DCB_CAP_DCBX_HOST;
1488 } else {
1489 bool dcbx_agent_status;
1490 int status;
1491
1492 if (ice_get_pfc_mode(pf) == ICE_QOS_MODE_DSCP) {
1493 clear_bit(nr: ICE_FLAG_FW_LLDP_AGENT, addr: pf->flags);
1494 dev_err(dev, "QoS in L3 DSCP mode, FW Agent not allowed to start\n");
1495 ret = -EOPNOTSUPP;
1496 goto ethtool_exit;
1497 }
1498
1499 /* Remove rule to direct LLDP packets to default VSI.
1500 * The FW LLDP engine will now be consuming them.
1501 */
1502 ice_cfg_sw_lldp(vsi, tx: false, create: false);
1503
1504 /* AQ command to start FW LLDP agent will return an
1505 * error if the agent is already started
1506 */
1507 status = ice_aq_start_lldp(hw: &pf->hw, persist: true, NULL);
1508 if (status)
1509 dev_warn(dev, "Fail to start LLDP Agent\n");
1510
1511 /* AQ command to start FW DCBX agent will fail if
1512 * the agent is already started
1513 */
1514 status = ice_aq_start_stop_dcbx(hw: &pf->hw, start_dcbx_agent: true,
1515 dcbx_agent_status: &dcbx_agent_status,
1516 NULL);
1517 if (status)
1518 dev_dbg(dev, "Failed to start FW DCBX\n");
1519
1520 dev_info(dev, "FW DCBX agent is %s\n",
1521 dcbx_agent_status ? "ACTIVE" : "DISABLED");
1522
1523 /* Failure to configure MIB change or init DCB is not
1524 * relevant to ethtool. Print notification that
1525 * registration/init failed but do not return error
1526 * state to ethtool
1527 */
1528 status = ice_init_pf_dcb(pf, locked: true);
1529 if (status)
1530 dev_dbg(dev, "Fail to init DCB\n");
1531
1532 /* Register for MIB change events */
1533 status = ice_cfg_lldp_mib_change(hw: &pf->hw, ena_mib: true);
1534 if (status)
1535 dev_dbg(dev, "Fail to enable MIB change events\n");
1536
1537 pf->dcbx_cap &= ~DCB_CAP_DCBX_HOST;
1538 pf->dcbx_cap |= DCB_CAP_DCBX_LLD_MANAGED;
1539
1540 ice_nway_reset(netdev);
1541 }
1542 }
1543 if (test_bit(ICE_FLAG_LEGACY_RX, change_flags)) {
1544 /* down and up VSI so that changes of Rx cfg are reflected. */
1545 ice_down_up(vsi);
1546 }
1547 /* don't allow modification of this flag when a single VF is in
1548 * promiscuous mode because it's not supported
1549 */
1550 if (test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, change_flags) &&
1551 ice_is_any_vf_in_unicast_promisc(pf)) {
1552 dev_err(dev, "Changing vf-true-promisc-support flag while VF(s) are in promiscuous mode not supported\n");
1553 /* toggle bit back to previous state */
1554 change_bit(nr: ICE_FLAG_VF_TRUE_PROMISC_ENA, addr: pf->flags);
1555 ret = -EAGAIN;
1556 }
1557
1558 if (test_bit(ICE_FLAG_VF_VLAN_PRUNING, change_flags) &&
1559 ice_has_vfs(pf)) {
1560 dev_err(dev, "vf-vlan-pruning: VLAN pruning cannot be changed while VFs are active.\n");
1561 /* toggle bit back to previous state */
1562 change_bit(nr: ICE_FLAG_VF_VLAN_PRUNING, addr: pf->flags);
1563 ret = -EOPNOTSUPP;
1564 }
1565ethtool_exit:
1566 clear_bit(nr: ICE_FLAG_ETHTOOL_CTXT, addr: pf->flags);
1567 return ret;
1568}
1569
1570static int ice_get_sset_count(struct net_device *netdev, int sset)
1571{
1572 switch (sset) {
1573 case ETH_SS_STATS:
1574 /* The number (and order) of strings reported *must* remain
1575 * constant for a given netdevice. This function must not
1576 * report a different number based on run time parameters
1577 * (such as the number of queues in use, or the setting of
1578 * a private ethtool flag). This is due to the nature of the
1579 * ethtool stats API.
1580 *
1581 * Userspace programs such as ethtool must make 3 separate
1582 * ioctl requests, one for size, one for the strings, and
1583 * finally one for the stats. Since these cross into
1584 * userspace, changes to the number or size could result in
1585 * undefined memory access or incorrect string<->value
1586 * correlations for statistics.
1587 *
1588 * Even if it appears to be safe, changes to the size or
1589 * order of strings will suffer from race conditions and are
1590 * not safe.
1591 */
1592 return ICE_ALL_STATS_LEN(netdev);
1593 case ETH_SS_TEST:
1594 return ICE_TEST_LEN;
1595 case ETH_SS_PRIV_FLAGS:
1596 return ICE_PRIV_FLAG_ARRAY_SIZE;
1597 default:
1598 return -EOPNOTSUPP;
1599 }
1600}
1601
1602static void
1603__ice_get_ethtool_stats(struct net_device *netdev,
1604 struct ethtool_stats __always_unused *stats, u64 *data,
1605 struct ice_vsi *vsi)
1606{
1607 struct ice_pf *pf = vsi->back;
1608 struct ice_tx_ring *tx_ring;
1609 struct ice_rx_ring *rx_ring;
1610 unsigned int j;
1611 int i = 0;
1612 char *p;
1613
1614 ice_update_pf_stats(pf);
1615 ice_update_vsi_stats(vsi);
1616
1617 for (j = 0; j < ICE_VSI_STATS_LEN; j++) {
1618 p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset;
1619 data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat ==
1620 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1621 }
1622
1623 if (ice_is_port_repr_netdev(netdev))
1624 return;
1625
1626 /* populate per queue stats */
1627 rcu_read_lock();
1628
1629 ice_for_each_alloc_txq(vsi, j) {
1630 tx_ring = READ_ONCE(vsi->tx_rings[j]);
1631 if (tx_ring && tx_ring->ring_stats) {
1632 data[i++] = tx_ring->ring_stats->stats.pkts;
1633 data[i++] = tx_ring->ring_stats->stats.bytes;
1634 } else {
1635 data[i++] = 0;
1636 data[i++] = 0;
1637 }
1638 }
1639
1640 ice_for_each_alloc_rxq(vsi, j) {
1641 rx_ring = READ_ONCE(vsi->rx_rings[j]);
1642 if (rx_ring && rx_ring->ring_stats) {
1643 data[i++] = rx_ring->ring_stats->stats.pkts;
1644 data[i++] = rx_ring->ring_stats->stats.bytes;
1645 } else {
1646 data[i++] = 0;
1647 data[i++] = 0;
1648 }
1649 }
1650
1651 rcu_read_unlock();
1652
1653 if (vsi->type != ICE_VSI_PF)
1654 return;
1655
1656 for (j = 0; j < ICE_PF_STATS_LEN; j++) {
1657 p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset;
1658 data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat ==
1659 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1660 }
1661
1662 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) {
1663 data[i++] = pf->stats.priority_xon_tx[j];
1664 data[i++] = pf->stats.priority_xoff_tx[j];
1665 }
1666
1667 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) {
1668 data[i++] = pf->stats.priority_xon_rx[j];
1669 data[i++] = pf->stats.priority_xoff_rx[j];
1670 }
1671}
1672
1673static void
1674ice_get_ethtool_stats(struct net_device *netdev,
1675 struct ethtool_stats __always_unused *stats, u64 *data)
1676{
1677 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
1678
1679 __ice_get_ethtool_stats(netdev, stats, data, vsi: np->vsi);
1680}
1681
1682#define ICE_PHY_TYPE_LOW_MASK_MIN_1G (ICE_PHY_TYPE_LOW_100BASE_TX | \
1683 ICE_PHY_TYPE_LOW_100M_SGMII)
1684
1685#define ICE_PHY_TYPE_LOW_MASK_MIN_25G (ICE_PHY_TYPE_LOW_MASK_MIN_1G | \
1686 ICE_PHY_TYPE_LOW_1000BASE_T | \
1687 ICE_PHY_TYPE_LOW_1000BASE_SX | \
1688 ICE_PHY_TYPE_LOW_1000BASE_LX | \
1689 ICE_PHY_TYPE_LOW_1000BASE_KX | \
1690 ICE_PHY_TYPE_LOW_1G_SGMII | \
1691 ICE_PHY_TYPE_LOW_2500BASE_T | \
1692 ICE_PHY_TYPE_LOW_2500BASE_X | \
1693 ICE_PHY_TYPE_LOW_2500BASE_KX | \
1694 ICE_PHY_TYPE_LOW_5GBASE_T | \
1695 ICE_PHY_TYPE_LOW_5GBASE_KR | \
1696 ICE_PHY_TYPE_LOW_10GBASE_T | \
1697 ICE_PHY_TYPE_LOW_10G_SFI_DA | \
1698 ICE_PHY_TYPE_LOW_10GBASE_SR | \
1699 ICE_PHY_TYPE_LOW_10GBASE_LR | \
1700 ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 | \
1701 ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | \
1702 ICE_PHY_TYPE_LOW_10G_SFI_C2C)
1703
1704#define ICE_PHY_TYPE_LOW_MASK_100G (ICE_PHY_TYPE_LOW_100GBASE_CR4 | \
1705 ICE_PHY_TYPE_LOW_100GBASE_SR4 | \
1706 ICE_PHY_TYPE_LOW_100GBASE_LR4 | \
1707 ICE_PHY_TYPE_LOW_100GBASE_KR4 | \
1708 ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | \
1709 ICE_PHY_TYPE_LOW_100G_CAUI4 | \
1710 ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | \
1711 ICE_PHY_TYPE_LOW_100G_AUI4 | \
1712 ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | \
1713 ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 | \
1714 ICE_PHY_TYPE_LOW_100GBASE_CP2 | \
1715 ICE_PHY_TYPE_LOW_100GBASE_SR2 | \
1716 ICE_PHY_TYPE_LOW_100GBASE_DR)
1717
1718#define ICE_PHY_TYPE_HIGH_MASK_100G (ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4 | \
1719 ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |\
1720 ICE_PHY_TYPE_HIGH_100G_CAUI2 | \
1721 ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | \
1722 ICE_PHY_TYPE_HIGH_100G_AUI2)
1723
1724#define ICE_PHY_TYPE_HIGH_MASK_200G (ICE_PHY_TYPE_HIGH_200G_CR4_PAM4 | \
1725 ICE_PHY_TYPE_HIGH_200G_SR4 | \
1726 ICE_PHY_TYPE_HIGH_200G_FR4 | \
1727 ICE_PHY_TYPE_HIGH_200G_LR4 | \
1728 ICE_PHY_TYPE_HIGH_200G_DR4 | \
1729 ICE_PHY_TYPE_HIGH_200G_KR4_PAM4 | \
1730 ICE_PHY_TYPE_HIGH_200G_AUI4_AOC_ACC | \
1731 ICE_PHY_TYPE_HIGH_200G_AUI4)
1732
1733/**
1734 * ice_mask_min_supported_speeds
1735 * @hw: pointer to the HW structure
1736 * @phy_types_high: PHY type high
1737 * @phy_types_low: PHY type low to apply minimum supported speeds mask
1738 *
1739 * Apply minimum supported speeds mask to PHY type low. These are the speeds
1740 * for ethtool supported link mode.
1741 */
1742static void
1743ice_mask_min_supported_speeds(struct ice_hw *hw,
1744 u64 phy_types_high, u64 *phy_types_low)
1745{
1746 /* if QSFP connection with 100G speed, minimum supported speed is 25G */
1747 if ((*phy_types_low & ICE_PHY_TYPE_LOW_MASK_100G) ||
1748 (phy_types_high & ICE_PHY_TYPE_HIGH_MASK_100G) ||
1749 (phy_types_high & ICE_PHY_TYPE_HIGH_MASK_200G))
1750 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_25G;
1751 else if (!ice_is_100m_speed_supported(hw))
1752 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_1G;
1753}
1754
1755/**
1756 * ice_linkmode_set_bit - set link mode bit
1757 * @phy_to_ethtool: PHY type to ethtool link mode struct to set
1758 * @ks: ethtool link ksettings struct to fill out
1759 * @req_speeds: speed requested by user
1760 * @advert_phy_type: advertised PHY type
1761 * @phy_type: PHY type
1762 */
1763static void
1764ice_linkmode_set_bit(const struct ice_phy_type_to_ethtool *phy_to_ethtool,
1765 struct ethtool_link_ksettings *ks, u32 req_speeds,
1766 u64 advert_phy_type, u32 phy_type)
1767{
1768 linkmode_set_bit(nr: phy_to_ethtool->link_mode, addr: ks->link_modes.supported);
1769
1770 if (req_speeds & phy_to_ethtool->aq_link_speed ||
1771 (!req_speeds && advert_phy_type & BIT(phy_type)))
1772 linkmode_set_bit(nr: phy_to_ethtool->link_mode,
1773 addr: ks->link_modes.advertising);
1774}
1775
1776/**
1777 * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes
1778 * @netdev: network interface device structure
1779 * @ks: ethtool link ksettings struct to fill out
1780 */
1781static void
1782ice_phy_type_to_ethtool(struct net_device *netdev,
1783 struct ethtool_link_ksettings *ks)
1784{
1785 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
1786 struct ice_vsi *vsi = np->vsi;
1787 struct ice_pf *pf = vsi->back;
1788 u64 advert_phy_type_lo = 0;
1789 u64 advert_phy_type_hi = 0;
1790 u64 phy_types_high = 0;
1791 u64 phy_types_low = 0;
1792 u32 req_speeds;
1793 u32 i;
1794
1795 req_speeds = vsi->port_info->phy.link_info.req_speeds;
1796
1797 /* Check if lenient mode is supported and enabled, or in strict mode.
1798 *
1799 * In lenient mode the Supported link modes are the PHY types without
1800 * media. The Advertising link mode is either 1. the user requested
1801 * speed, 2. the override PHY mask, or 3. the PHY types with media.
1802 *
1803 * In strict mode Supported link mode are the PHY type with media,
1804 * and Advertising link modes are the media PHY type or the speed
1805 * requested by user.
1806 */
1807 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) {
1808 phy_types_low = le64_to_cpu(pf->nvm_phy_type_lo);
1809 phy_types_high = le64_to_cpu(pf->nvm_phy_type_hi);
1810
1811 ice_mask_min_supported_speeds(hw: &pf->hw, phy_types_high,
1812 phy_types_low: &phy_types_low);
1813 /* determine advertised modes based on link override only
1814 * if it's supported and if the FW doesn't abstract the
1815 * driver from having to account for link overrides
1816 */
1817 if (ice_fw_supports_link_override(hw: &pf->hw) &&
1818 !ice_fw_supports_report_dflt_cfg(hw: &pf->hw)) {
1819 struct ice_link_default_override_tlv *ldo;
1820
1821 ldo = &pf->link_dflt_override;
1822 /* If override enabled and PHY mask set, then
1823 * Advertising link mode is the intersection of the PHY
1824 * types without media and the override PHY mask.
1825 */
1826 if (ldo->options & ICE_LINK_OVERRIDE_EN &&
1827 (ldo->phy_type_low || ldo->phy_type_high)) {
1828 advert_phy_type_lo =
1829 le64_to_cpu(pf->nvm_phy_type_lo) &
1830 ldo->phy_type_low;
1831 advert_phy_type_hi =
1832 le64_to_cpu(pf->nvm_phy_type_hi) &
1833 ldo->phy_type_high;
1834 }
1835 }
1836 } else {
1837 /* strict mode */
1838 phy_types_low = vsi->port_info->phy.phy_type_low;
1839 phy_types_high = vsi->port_info->phy.phy_type_high;
1840 }
1841
1842 /* If Advertising link mode PHY type is not using override PHY type,
1843 * then use PHY type with media.
1844 */
1845 if (!advert_phy_type_lo && !advert_phy_type_hi) {
1846 advert_phy_type_lo = vsi->port_info->phy.phy_type_low;
1847 advert_phy_type_hi = vsi->port_info->phy.phy_type_high;
1848 }
1849
1850 linkmode_zero(dst: ks->link_modes.supported);
1851 linkmode_zero(dst: ks->link_modes.advertising);
1852
1853 for (i = 0; i < BITS_PER_TYPE(u64); i++) {
1854 if (phy_types_low & BIT_ULL(i))
1855 ice_linkmode_set_bit(phy_to_ethtool: &phy_type_low_lkup[i], ks,
1856 req_speeds, advert_phy_type: advert_phy_type_lo,
1857 phy_type: i);
1858 }
1859
1860 for (i = 0; i < BITS_PER_TYPE(u64); i++) {
1861 if (phy_types_high & BIT_ULL(i))
1862 ice_linkmode_set_bit(phy_to_ethtool: &phy_type_high_lkup[i], ks,
1863 req_speeds, advert_phy_type: advert_phy_type_hi,
1864 phy_type: i);
1865 }
1866}
1867
1868#define TEST_SET_BITS_TIMEOUT 50
1869#define TEST_SET_BITS_SLEEP_MAX 2000
1870#define TEST_SET_BITS_SLEEP_MIN 1000
1871
1872/**
1873 * ice_get_settings_link_up - Get Link settings for when link is up
1874 * @ks: ethtool ksettings to fill in
1875 * @netdev: network interface device structure
1876 */
1877static void
1878ice_get_settings_link_up(struct ethtool_link_ksettings *ks,
1879 struct net_device *netdev)
1880{
1881 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
1882 struct ice_port_info *pi = np->vsi->port_info;
1883 struct ice_link_status *link_info;
1884 struct ice_vsi *vsi = np->vsi;
1885
1886 link_info = &vsi->port_info->phy.link_info;
1887
1888 /* Get supported and advertised settings from PHY ability with media */
1889 ice_phy_type_to_ethtool(netdev, ks);
1890
1891 switch (link_info->link_speed) {
1892 case ICE_AQ_LINK_SPEED_200GB:
1893 ks->base.speed = SPEED_200000;
1894 break;
1895 case ICE_AQ_LINK_SPEED_100GB:
1896 ks->base.speed = SPEED_100000;
1897 break;
1898 case ICE_AQ_LINK_SPEED_50GB:
1899 ks->base.speed = SPEED_50000;
1900 break;
1901 case ICE_AQ_LINK_SPEED_40GB:
1902 ks->base.speed = SPEED_40000;
1903 break;
1904 case ICE_AQ_LINK_SPEED_25GB:
1905 ks->base.speed = SPEED_25000;
1906 break;
1907 case ICE_AQ_LINK_SPEED_20GB:
1908 ks->base.speed = SPEED_20000;
1909 break;
1910 case ICE_AQ_LINK_SPEED_10GB:
1911 ks->base.speed = SPEED_10000;
1912 break;
1913 case ICE_AQ_LINK_SPEED_5GB:
1914 ks->base.speed = SPEED_5000;
1915 break;
1916 case ICE_AQ_LINK_SPEED_2500MB:
1917 ks->base.speed = SPEED_2500;
1918 break;
1919 case ICE_AQ_LINK_SPEED_1000MB:
1920 ks->base.speed = SPEED_1000;
1921 break;
1922 case ICE_AQ_LINK_SPEED_100MB:
1923 ks->base.speed = SPEED_100;
1924 break;
1925 default:
1926 netdev_info(dev: netdev, format: "WARNING: Unrecognized link_speed (0x%x).\n",
1927 link_info->link_speed);
1928 break;
1929 }
1930 ks->base.duplex = DUPLEX_FULL;
1931
1932 if (link_info->an_info & ICE_AQ_AN_COMPLETED)
1933 ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
1934 Autoneg);
1935
1936 /* Set flow control negotiated Rx/Tx pause */
1937 switch (pi->fc.current_mode) {
1938 case ICE_FC_FULL:
1939 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause);
1940 break;
1941 case ICE_FC_TX_PAUSE:
1942 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause);
1943 ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
1944 Asym_Pause);
1945 break;
1946 case ICE_FC_RX_PAUSE:
1947 ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
1948 Asym_Pause);
1949 break;
1950 case ICE_FC_PFC:
1951 default:
1952 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause);
1953 ethtool_link_ksettings_del_link_mode(ks, lp_advertising,
1954 Asym_Pause);
1955 break;
1956 }
1957}
1958
1959/**
1960 * ice_get_settings_link_down - Get the Link settings when link is down
1961 * @ks: ethtool ksettings to fill in
1962 * @netdev: network interface device structure
1963 *
1964 * Reports link settings that can be determined when link is down
1965 */
1966static void
1967ice_get_settings_link_down(struct ethtool_link_ksettings *ks,
1968 struct net_device *netdev)
1969{
1970 /* link is down and the driver needs to fall back on
1971 * supported PHY types to figure out what info to display
1972 */
1973 ice_phy_type_to_ethtool(netdev, ks);
1974
1975 /* With no link, speed and duplex are unknown */
1976 ks->base.speed = SPEED_UNKNOWN;
1977 ks->base.duplex = DUPLEX_UNKNOWN;
1978}
1979
1980/**
1981 * ice_get_link_ksettings - Get Link Speed and Duplex settings
1982 * @netdev: network interface device structure
1983 * @ks: ethtool ksettings
1984 *
1985 * Reports speed/duplex settings based on media_type
1986 */
1987static int
1988ice_get_link_ksettings(struct net_device *netdev,
1989 struct ethtool_link_ksettings *ks)
1990{
1991 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
1992 struct ice_aqc_get_phy_caps_data *caps;
1993 struct ice_link_status *hw_link_info;
1994 struct ice_vsi *vsi = np->vsi;
1995 int err;
1996
1997 ethtool_link_ksettings_zero_link_mode(ks, supported);
1998 ethtool_link_ksettings_zero_link_mode(ks, advertising);
1999 ethtool_link_ksettings_zero_link_mode(ks, lp_advertising);
2000 hw_link_info = &vsi->port_info->phy.link_info;
2001
2002 /* set speed and duplex */
2003 if (hw_link_info->link_info & ICE_AQ_LINK_UP)
2004 ice_get_settings_link_up(ks, netdev);
2005 else
2006 ice_get_settings_link_down(ks, netdev);
2007
2008 /* set autoneg settings */
2009 ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ?
2010 AUTONEG_ENABLE : AUTONEG_DISABLE;
2011
2012 /* set media type settings */
2013 switch (vsi->port_info->phy.media_type) {
2014 case ICE_MEDIA_FIBER:
2015 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE);
2016 ks->base.port = PORT_FIBRE;
2017 break;
2018 case ICE_MEDIA_BASET:
2019 ethtool_link_ksettings_add_link_mode(ks, supported, TP);
2020 ethtool_link_ksettings_add_link_mode(ks, advertising, TP);
2021 ks->base.port = PORT_TP;
2022 break;
2023 case ICE_MEDIA_BACKPLANE:
2024 ethtool_link_ksettings_add_link_mode(ks, supported, Backplane);
2025 ethtool_link_ksettings_add_link_mode(ks, advertising,
2026 Backplane);
2027 ks->base.port = PORT_NONE;
2028 break;
2029 case ICE_MEDIA_DA:
2030 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE);
2031 ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE);
2032 ks->base.port = PORT_DA;
2033 break;
2034 default:
2035 ks->base.port = PORT_OTHER;
2036 break;
2037 }
2038
2039 /* flow control is symmetric and always supported */
2040 ethtool_link_ksettings_add_link_mode(ks, supported, Pause);
2041
2042 caps = kzalloc(size: sizeof(*caps), GFP_KERNEL);
2043 if (!caps)
2044 return -ENOMEM;
2045
2046 err = ice_aq_get_phy_caps(pi: vsi->port_info, qual_mods: false,
2047 ICE_AQC_REPORT_ACTIVE_CFG, caps, NULL);
2048 if (err)
2049 goto done;
2050
2051 /* Set the advertised flow control based on the PHY capability */
2052 if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) &&
2053 (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) {
2054 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause);
2055 ethtool_link_ksettings_add_link_mode(ks, advertising,
2056 Asym_Pause);
2057 } else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) {
2058 ethtool_link_ksettings_add_link_mode(ks, advertising,
2059 Asym_Pause);
2060 } else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) {
2061 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause);
2062 ethtool_link_ksettings_add_link_mode(ks, advertising,
2063 Asym_Pause);
2064 } else {
2065 ethtool_link_ksettings_del_link_mode(ks, advertising, Pause);
2066 ethtool_link_ksettings_del_link_mode(ks, advertising,
2067 Asym_Pause);
2068 }
2069
2070 /* Set advertised FEC modes based on PHY capability */
2071 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE);
2072
2073 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ ||
2074 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ)
2075 ethtool_link_ksettings_add_link_mode(ks, advertising,
2076 FEC_BASER);
2077 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ ||
2078 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ)
2079 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS);
2080
2081 err = ice_aq_get_phy_caps(pi: vsi->port_info, qual_mods: false,
2082 ICE_AQC_REPORT_TOPO_CAP_MEDIA, caps, NULL);
2083 if (err)
2084 goto done;
2085
2086 /* Set supported FEC modes based on PHY capability */
2087 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE);
2088
2089 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN ||
2090 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN)
2091 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER);
2092 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN)
2093 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS);
2094
2095 /* Set supported and advertised autoneg */
2096 if (ice_is_phy_caps_an_enabled(caps)) {
2097 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
2098 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
2099 }
2100
2101done:
2102 kfree(objp: caps);
2103 return err;
2104}
2105
2106/**
2107 * ice_speed_to_aq_link - Get AQ link speed by Ethtool forced speed
2108 * @speed: ethtool forced speed
2109 */
2110static u16 ice_speed_to_aq_link(int speed)
2111{
2112 int aq_speed;
2113
2114 switch (speed) {
2115 case SPEED_10:
2116 aq_speed = ICE_AQ_LINK_SPEED_10MB;
2117 break;
2118 case SPEED_100:
2119 aq_speed = ICE_AQ_LINK_SPEED_100MB;
2120 break;
2121 case SPEED_1000:
2122 aq_speed = ICE_AQ_LINK_SPEED_1000MB;
2123 break;
2124 case SPEED_2500:
2125 aq_speed = ICE_AQ_LINK_SPEED_2500MB;
2126 break;
2127 case SPEED_5000:
2128 aq_speed = ICE_AQ_LINK_SPEED_5GB;
2129 break;
2130 case SPEED_10000:
2131 aq_speed = ICE_AQ_LINK_SPEED_10GB;
2132 break;
2133 case SPEED_20000:
2134 aq_speed = ICE_AQ_LINK_SPEED_20GB;
2135 break;
2136 case SPEED_25000:
2137 aq_speed = ICE_AQ_LINK_SPEED_25GB;
2138 break;
2139 case SPEED_40000:
2140 aq_speed = ICE_AQ_LINK_SPEED_40GB;
2141 break;
2142 case SPEED_50000:
2143 aq_speed = ICE_AQ_LINK_SPEED_50GB;
2144 break;
2145 case SPEED_100000:
2146 aq_speed = ICE_AQ_LINK_SPEED_100GB;
2147 break;
2148 default:
2149 aq_speed = ICE_AQ_LINK_SPEED_UNKNOWN;
2150 break;
2151 }
2152 return aq_speed;
2153}
2154
2155/**
2156 * ice_ksettings_find_adv_link_speed - Find advertising link speed
2157 * @ks: ethtool ksettings
2158 */
2159static u16
2160ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks)
2161{
2162 const struct ethtool_forced_speed_map *map;
2163 u16 adv_link_speed = 0;
2164
2165 for (u32 i = 0; i < ARRAY_SIZE(ice_adv_lnk_speed_maps); i++) {
2166 map = ice_adv_lnk_speed_maps + i;
2167 if (linkmode_intersects(src1: ks->link_modes.advertising, src2: map->caps))
2168 adv_link_speed |= ice_speed_to_aq_link(speed: map->speed);
2169 }
2170
2171 return adv_link_speed;
2172}
2173
2174/**
2175 * ice_setup_autoneg
2176 * @p: port info
2177 * @ks: ethtool_link_ksettings
2178 * @config: configuration that will be sent down to FW
2179 * @autoneg_enabled: autonegotiation is enabled or not
2180 * @autoneg_changed: will there a change in autonegotiation
2181 * @netdev: network interface device structure
2182 *
2183 * Setup PHY autonegotiation feature
2184 */
2185static int
2186ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks,
2187 struct ice_aqc_set_phy_cfg_data *config,
2188 u8 autoneg_enabled, u8 *autoneg_changed,
2189 struct net_device *netdev)
2190{
2191 int err = 0;
2192
2193 *autoneg_changed = 0;
2194
2195 /* Check autoneg */
2196 if (autoneg_enabled == AUTONEG_ENABLE) {
2197 /* If autoneg was not already enabled */
2198 if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) {
2199 /* If autoneg is not supported, return error */
2200 if (!ethtool_link_ksettings_test_link_mode(ks,
2201 supported,
2202 Autoneg)) {
2203 netdev_info(dev: netdev, format: "Autoneg not supported on this phy.\n");
2204 err = -EINVAL;
2205 } else {
2206 /* Autoneg is allowed to change */
2207 config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2208 *autoneg_changed = 1;
2209 }
2210 }
2211 } else {
2212 /* If autoneg is currently enabled */
2213 if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) {
2214 /* If autoneg is supported 10GBASE_T is the only PHY
2215 * that can disable it, so otherwise return error
2216 */
2217 if (ethtool_link_ksettings_test_link_mode(ks,
2218 supported,
2219 Autoneg)) {
2220 netdev_info(dev: netdev, format: "Autoneg cannot be disabled on this phy\n");
2221 err = -EINVAL;
2222 } else {
2223 /* Autoneg is allowed to change */
2224 config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2225 *autoneg_changed = 1;
2226 }
2227 }
2228 }
2229
2230 return err;
2231}
2232
2233/**
2234 * ice_set_phy_type_from_speed - set phy_types based on speeds
2235 * and advertised modes
2236 * @ks: ethtool link ksettings struct
2237 * @phy_type_low: pointer to the lower part of phy_type
2238 * @phy_type_high: pointer to the higher part of phy_type
2239 * @adv_link_speed: targeted link speeds bitmap
2240 */
2241static void
2242ice_set_phy_type_from_speed(const struct ethtool_link_ksettings *ks,
2243 u64 *phy_type_low, u64 *phy_type_high,
2244 u16 adv_link_speed)
2245{
2246 /* Handle 1000M speed in a special way because ice_update_phy_type
2247 * enables all link modes, but having mixed copper and optical
2248 * standards is not supported.
2249 */
2250 adv_link_speed &= ~ICE_AQ_LINK_SPEED_1000MB;
2251
2252 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2253 1000baseT_Full))
2254 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_T |
2255 ICE_PHY_TYPE_LOW_1G_SGMII;
2256
2257 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2258 1000baseKX_Full))
2259 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_KX;
2260
2261 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2262 1000baseX_Full))
2263 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_SX |
2264 ICE_PHY_TYPE_LOW_1000BASE_LX;
2265
2266 ice_update_phy_type(phy_type_low, phy_type_high, link_speeds_bitmap: adv_link_speed);
2267}
2268
2269/**
2270 * ice_set_link_ksettings - Set Speed and Duplex
2271 * @netdev: network interface device structure
2272 * @ks: ethtool ksettings
2273 *
2274 * Set speed/duplex per media_types advertised/forced
2275 */
2276static int
2277ice_set_link_ksettings(struct net_device *netdev,
2278 const struct ethtool_link_ksettings *ks)
2279{
2280 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
2281 u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT;
2282 struct ethtool_link_ksettings copy_ks = *ks;
2283 struct ethtool_link_ksettings safe_ks = {};
2284 struct ice_aqc_get_phy_caps_data *phy_caps;
2285 struct ice_aqc_set_phy_cfg_data config;
2286 u16 adv_link_speed, curr_link_speed;
2287 struct ice_pf *pf = np->vsi->back;
2288 struct ice_port_info *pi;
2289 u8 autoneg_changed = 0;
2290 u64 phy_type_high = 0;
2291 u64 phy_type_low = 0;
2292 bool linkup;
2293 int err;
2294
2295 pi = np->vsi->port_info;
2296
2297 if (!pi)
2298 return -EIO;
2299
2300 if (pi->phy.media_type != ICE_MEDIA_BASET &&
2301 pi->phy.media_type != ICE_MEDIA_FIBER &&
2302 pi->phy.media_type != ICE_MEDIA_BACKPLANE &&
2303 pi->phy.media_type != ICE_MEDIA_DA &&
2304 pi->phy.link_info.link_info & ICE_AQ_LINK_UP)
2305 return -EOPNOTSUPP;
2306
2307 phy_caps = kzalloc(size: sizeof(*phy_caps), GFP_KERNEL);
2308 if (!phy_caps)
2309 return -ENOMEM;
2310
2311 /* Get the PHY capabilities based on media */
2312 if (ice_fw_supports_report_dflt_cfg(hw: pi->hw))
2313 err = ice_aq_get_phy_caps(pi, qual_mods: false, ICE_AQC_REPORT_DFLT_CFG,
2314 caps: phy_caps, NULL);
2315 else
2316 err = ice_aq_get_phy_caps(pi, qual_mods: false, ICE_AQC_REPORT_TOPO_CAP_MEDIA,
2317 caps: phy_caps, NULL);
2318 if (err)
2319 goto done;
2320
2321 /* save autoneg out of ksettings */
2322 autoneg = copy_ks.base.autoneg;
2323
2324 /* Get link modes supported by hardware.*/
2325 ice_phy_type_to_ethtool(netdev, ks: &safe_ks);
2326
2327 /* and check against modes requested by user.
2328 * Return an error if unsupported mode was set.
2329 */
2330 if (!bitmap_subset(src1: copy_ks.link_modes.advertising,
2331 src2: safe_ks.link_modes.supported,
2332 nbits: __ETHTOOL_LINK_MODE_MASK_NBITS)) {
2333 if (!test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags))
2334 netdev_info(dev: netdev, format: "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n");
2335 err = -EOPNOTSUPP;
2336 goto done;
2337 }
2338
2339 /* get our own copy of the bits to check against */
2340 memset(&safe_ks, 0, sizeof(safe_ks));
2341 safe_ks.base.cmd = copy_ks.base.cmd;
2342 safe_ks.base.link_mode_masks_nwords =
2343 copy_ks.base.link_mode_masks_nwords;
2344 ice_get_link_ksettings(netdev, ks: &safe_ks);
2345
2346 /* set autoneg back to what it currently is */
2347 copy_ks.base.autoneg = safe_ks.base.autoneg;
2348 /* we don't compare the speed */
2349 copy_ks.base.speed = safe_ks.base.speed;
2350
2351 /* If copy_ks.base and safe_ks.base are not the same now, then they are
2352 * trying to set something that we do not support.
2353 */
2354 if (memcmp(p: &copy_ks.base, q: &safe_ks.base, size: sizeof(copy_ks.base))) {
2355 err = -EOPNOTSUPP;
2356 goto done;
2357 }
2358
2359 while (test_and_set_bit(nr: ICE_CFG_BUSY, addr: pf->state)) {
2360 timeout--;
2361 if (!timeout) {
2362 err = -EBUSY;
2363 goto done;
2364 }
2365 usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX);
2366 }
2367
2368 /* Copy the current user PHY configuration. The current user PHY
2369 * configuration is initialized during probe from PHY capabilities
2370 * software mode, and updated on set PHY configuration.
2371 */
2372 config = pi->phy.curr_user_phy_cfg;
2373
2374 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2375
2376 /* Check autoneg */
2377 err = ice_setup_autoneg(p: pi, ks: &safe_ks, config: &config, autoneg_enabled: autoneg, autoneg_changed: &autoneg_changed,
2378 netdev);
2379
2380 if (err)
2381 goto done;
2382
2383 /* Call to get the current link speed */
2384 pi->phy.get_link_info = true;
2385 err = ice_get_link_status(pi, link_up: &linkup);
2386 if (err)
2387 goto done;
2388
2389 curr_link_speed = pi->phy.curr_user_speed_req;
2390 adv_link_speed = ice_ksettings_find_adv_link_speed(ks);
2391
2392 /* If speed didn't get set, set it to what it currently is.
2393 * This is needed because if advertise is 0 (as it is when autoneg
2394 * is disabled) then speed won't get set.
2395 */
2396 if (!adv_link_speed)
2397 adv_link_speed = curr_link_speed;
2398
2399 /* Convert the advertise link speeds to their corresponded PHY_TYPE */
2400 ice_set_phy_type_from_speed(ks, phy_type_low: &phy_type_low, phy_type_high: &phy_type_high,
2401 adv_link_speed);
2402
2403 if (!autoneg_changed && adv_link_speed == curr_link_speed) {
2404 netdev_info(dev: netdev, format: "Nothing changed, exiting without setting anything.\n");
2405 goto done;
2406 }
2407
2408 /* save the requested speeds */
2409 pi->phy.link_info.req_speeds = adv_link_speed;
2410
2411 /* set link and auto negotiation so changes take effect */
2412 config.caps |= ICE_AQ_PHY_ENA_LINK;
2413
2414 /* check if there is a PHY type for the requested advertised speed */
2415 if (!(phy_type_low || phy_type_high)) {
2416 netdev_info(dev: netdev, format: "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n");
2417 err = -EOPNOTSUPP;
2418 goto done;
2419 }
2420
2421 /* intersect requested advertised speed PHY types with media PHY types
2422 * for set PHY configuration
2423 */
2424 config.phy_type_high = cpu_to_le64(phy_type_high) &
2425 phy_caps->phy_type_high;
2426 config.phy_type_low = cpu_to_le64(phy_type_low) &
2427 phy_caps->phy_type_low;
2428
2429 if (!(config.phy_type_high || config.phy_type_low)) {
2430 /* If there is no intersection and lenient mode is enabled, then
2431 * intersect the requested advertised speed with NVM media type
2432 * PHY types.
2433 */
2434 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) {
2435 config.phy_type_high = cpu_to_le64(phy_type_high) &
2436 pf->nvm_phy_type_hi;
2437 config.phy_type_low = cpu_to_le64(phy_type_low) &
2438 pf->nvm_phy_type_lo;
2439 } else {
2440 netdev_info(dev: netdev, format: "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n");
2441 err = -EOPNOTSUPP;
2442 goto done;
2443 }
2444 }
2445
2446 /* If link is up put link down */
2447 if (pi->phy.link_info.link_info & ICE_AQ_LINK_UP) {
2448 /* Tell the OS link is going down, the link will go
2449 * back up when fw says it is ready asynchronously
2450 */
2451 ice_print_link_msg(vsi: np->vsi, isup: false);
2452 netif_carrier_off(dev: netdev);
2453 netif_tx_stop_all_queues(dev: netdev);
2454 }
2455
2456 /* make the aq call */
2457 err = ice_aq_set_phy_cfg(hw: &pf->hw, pi, cfg: &config, NULL);
2458 if (err) {
2459 netdev_info(dev: netdev, format: "Set phy config failed,\n");
2460 goto done;
2461 }
2462
2463 /* Save speed request */
2464 pi->phy.curr_user_speed_req = adv_link_speed;
2465done:
2466 kfree(objp: phy_caps);
2467 clear_bit(nr: ICE_CFG_BUSY, addr: pf->state);
2468
2469 return err;
2470}
2471
2472/**
2473 * ice_parse_hdrs - parses headers from RSS hash input
2474 * @nfc: ethtool rxnfc command
2475 *
2476 * This function parses the rxnfc command and returns intended
2477 * header types for RSS configuration
2478 */
2479static u32 ice_parse_hdrs(struct ethtool_rxnfc *nfc)
2480{
2481 u32 hdrs = ICE_FLOW_SEG_HDR_NONE;
2482
2483 switch (nfc->flow_type) {
2484 case TCP_V4_FLOW:
2485 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4;
2486 break;
2487 case UDP_V4_FLOW:
2488 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4;
2489 break;
2490 case SCTP_V4_FLOW:
2491 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4;
2492 break;
2493 case TCP_V6_FLOW:
2494 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6;
2495 break;
2496 case UDP_V6_FLOW:
2497 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6;
2498 break;
2499 case SCTP_V6_FLOW:
2500 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6;
2501 break;
2502 default:
2503 break;
2504 }
2505 return hdrs;
2506}
2507
2508#define ICE_FLOW_HASH_FLD_IPV4_SA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA)
2509#define ICE_FLOW_HASH_FLD_IPV6_SA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA)
2510#define ICE_FLOW_HASH_FLD_IPV4_DA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)
2511#define ICE_FLOW_HASH_FLD_IPV6_DA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)
2512#define ICE_FLOW_HASH_FLD_TCP_SRC_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT)
2513#define ICE_FLOW_HASH_FLD_TCP_DST_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT)
2514#define ICE_FLOW_HASH_FLD_UDP_SRC_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT)
2515#define ICE_FLOW_HASH_FLD_UDP_DST_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT)
2516#define ICE_FLOW_HASH_FLD_SCTP_SRC_PORT \
2517 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT)
2518#define ICE_FLOW_HASH_FLD_SCTP_DST_PORT \
2519 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT)
2520
2521/**
2522 * ice_parse_hash_flds - parses hash fields from RSS hash input
2523 * @nfc: ethtool rxnfc command
2524 *
2525 * This function parses the rxnfc command and returns intended
2526 * hash fields for RSS configuration
2527 */
2528static u64 ice_parse_hash_flds(struct ethtool_rxnfc *nfc)
2529{
2530 u64 hfld = ICE_HASH_INVALID;
2531
2532 if (nfc->data & RXH_IP_SRC || nfc->data & RXH_IP_DST) {
2533 switch (nfc->flow_type) {
2534 case TCP_V4_FLOW:
2535 case UDP_V4_FLOW:
2536 case SCTP_V4_FLOW:
2537 if (nfc->data & RXH_IP_SRC)
2538 hfld |= ICE_FLOW_HASH_FLD_IPV4_SA;
2539 if (nfc->data & RXH_IP_DST)
2540 hfld |= ICE_FLOW_HASH_FLD_IPV4_DA;
2541 break;
2542 case TCP_V6_FLOW:
2543 case UDP_V6_FLOW:
2544 case SCTP_V6_FLOW:
2545 if (nfc->data & RXH_IP_SRC)
2546 hfld |= ICE_FLOW_HASH_FLD_IPV6_SA;
2547 if (nfc->data & RXH_IP_DST)
2548 hfld |= ICE_FLOW_HASH_FLD_IPV6_DA;
2549 break;
2550 default:
2551 break;
2552 }
2553 }
2554
2555 if (nfc->data & RXH_L4_B_0_1 || nfc->data & RXH_L4_B_2_3) {
2556 switch (nfc->flow_type) {
2557 case TCP_V4_FLOW:
2558 case TCP_V6_FLOW:
2559 if (nfc->data & RXH_L4_B_0_1)
2560 hfld |= ICE_FLOW_HASH_FLD_TCP_SRC_PORT;
2561 if (nfc->data & RXH_L4_B_2_3)
2562 hfld |= ICE_FLOW_HASH_FLD_TCP_DST_PORT;
2563 break;
2564 case UDP_V4_FLOW:
2565 case UDP_V6_FLOW:
2566 if (nfc->data & RXH_L4_B_0_1)
2567 hfld |= ICE_FLOW_HASH_FLD_UDP_SRC_PORT;
2568 if (nfc->data & RXH_L4_B_2_3)
2569 hfld |= ICE_FLOW_HASH_FLD_UDP_DST_PORT;
2570 break;
2571 case SCTP_V4_FLOW:
2572 case SCTP_V6_FLOW:
2573 if (nfc->data & RXH_L4_B_0_1)
2574 hfld |= ICE_FLOW_HASH_FLD_SCTP_SRC_PORT;
2575 if (nfc->data & RXH_L4_B_2_3)
2576 hfld |= ICE_FLOW_HASH_FLD_SCTP_DST_PORT;
2577 break;
2578 default:
2579 break;
2580 }
2581 }
2582
2583 return hfld;
2584}
2585
2586/**
2587 * ice_set_rss_hash_opt - Enable/Disable flow types for RSS hash
2588 * @vsi: the VSI being configured
2589 * @nfc: ethtool rxnfc command
2590 *
2591 * Returns Success if the flow input set is supported.
2592 */
2593static int
2594ice_set_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc)
2595{
2596 struct ice_pf *pf = vsi->back;
2597 struct device *dev;
2598 u64 hashed_flds;
2599 int status;
2600 u32 hdrs;
2601
2602 dev = ice_pf_to_dev(pf);
2603 if (ice_is_safe_mode(pf)) {
2604 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n",
2605 vsi->vsi_num);
2606 return -EINVAL;
2607 }
2608
2609 hashed_flds = ice_parse_hash_flds(nfc);
2610 if (hashed_flds == ICE_HASH_INVALID) {
2611 dev_dbg(dev, "Invalid hash fields, vsi num = %d\n",
2612 vsi->vsi_num);
2613 return -EINVAL;
2614 }
2615
2616 hdrs = ice_parse_hdrs(nfc);
2617 if (hdrs == ICE_FLOW_SEG_HDR_NONE) {
2618 dev_dbg(dev, "Header type is not valid, vsi num = %d\n",
2619 vsi->vsi_num);
2620 return -EINVAL;
2621 }
2622
2623 status = ice_add_rss_cfg(hw: &pf->hw, vsi_handle: vsi->idx, hashed_flds, addl_hdrs: hdrs);
2624 if (status) {
2625 dev_dbg(dev, "ice_add_rss_cfg failed, vsi num = %d, error = %d\n",
2626 vsi->vsi_num, status);
2627 return status;
2628 }
2629
2630 return 0;
2631}
2632
2633/**
2634 * ice_get_rss_hash_opt - Retrieve hash fields for a given flow-type
2635 * @vsi: the VSI being configured
2636 * @nfc: ethtool rxnfc command
2637 */
2638static void
2639ice_get_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc)
2640{
2641 struct ice_pf *pf = vsi->back;
2642 struct device *dev;
2643 u64 hash_flds;
2644 u32 hdrs;
2645
2646 dev = ice_pf_to_dev(pf);
2647
2648 nfc->data = 0;
2649 if (ice_is_safe_mode(pf)) {
2650 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n",
2651 vsi->vsi_num);
2652 return;
2653 }
2654
2655 hdrs = ice_parse_hdrs(nfc);
2656 if (hdrs == ICE_FLOW_SEG_HDR_NONE) {
2657 dev_dbg(dev, "Header type is not valid, vsi num = %d\n",
2658 vsi->vsi_num);
2659 return;
2660 }
2661
2662 hash_flds = ice_get_rss_cfg(hw: &pf->hw, vsi_handle: vsi->idx, hdrs);
2663 if (hash_flds == ICE_HASH_INVALID) {
2664 dev_dbg(dev, "No hash fields found for the given header type, vsi num = %d\n",
2665 vsi->vsi_num);
2666 return;
2667 }
2668
2669 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_SA ||
2670 hash_flds & ICE_FLOW_HASH_FLD_IPV6_SA)
2671 nfc->data |= (u64)RXH_IP_SRC;
2672
2673 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_DA ||
2674 hash_flds & ICE_FLOW_HASH_FLD_IPV6_DA)
2675 nfc->data |= (u64)RXH_IP_DST;
2676
2677 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_SRC_PORT ||
2678 hash_flds & ICE_FLOW_HASH_FLD_UDP_SRC_PORT ||
2679 hash_flds & ICE_FLOW_HASH_FLD_SCTP_SRC_PORT)
2680 nfc->data |= (u64)RXH_L4_B_0_1;
2681
2682 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_DST_PORT ||
2683 hash_flds & ICE_FLOW_HASH_FLD_UDP_DST_PORT ||
2684 hash_flds & ICE_FLOW_HASH_FLD_SCTP_DST_PORT)
2685 nfc->data |= (u64)RXH_L4_B_2_3;
2686}
2687
2688/**
2689 * ice_set_rxnfc - command to set Rx flow rules.
2690 * @netdev: network interface device structure
2691 * @cmd: ethtool rxnfc command
2692 *
2693 * Returns 0 for success and negative values for errors
2694 */
2695static int ice_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
2696{
2697 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
2698 struct ice_vsi *vsi = np->vsi;
2699
2700 switch (cmd->cmd) {
2701 case ETHTOOL_SRXCLSRLINS:
2702 return ice_add_fdir_ethtool(vsi, cmd);
2703 case ETHTOOL_SRXCLSRLDEL:
2704 return ice_del_fdir_ethtool(vsi, cmd);
2705 case ETHTOOL_SRXFH:
2706 return ice_set_rss_hash_opt(vsi, nfc: cmd);
2707 default:
2708 break;
2709 }
2710 return -EOPNOTSUPP;
2711}
2712
2713/**
2714 * ice_get_rxnfc - command to get Rx flow classification rules
2715 * @netdev: network interface device structure
2716 * @cmd: ethtool rxnfc command
2717 * @rule_locs: buffer to rturn Rx flow classification rules
2718 *
2719 * Returns Success if the command is supported.
2720 */
2721static int
2722ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
2723 u32 __always_unused *rule_locs)
2724{
2725 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
2726 struct ice_vsi *vsi = np->vsi;
2727 int ret = -EOPNOTSUPP;
2728 struct ice_hw *hw;
2729
2730 hw = &vsi->back->hw;
2731
2732 switch (cmd->cmd) {
2733 case ETHTOOL_GRXRINGS:
2734 cmd->data = vsi->rss_size;
2735 ret = 0;
2736 break;
2737 case ETHTOOL_GRXCLSRLCNT:
2738 cmd->rule_cnt = hw->fdir_active_fltr;
2739 /* report total rule count */
2740 cmd->data = ice_get_fdir_cnt_all(hw);
2741 ret = 0;
2742 break;
2743 case ETHTOOL_GRXCLSRULE:
2744 ret = ice_get_ethtool_fdir_entry(hw, cmd);
2745 break;
2746 case ETHTOOL_GRXCLSRLALL:
2747 ret = ice_get_fdir_fltr_ids(hw, cmd, rule_locs: (u32 *)rule_locs);
2748 break;
2749 case ETHTOOL_GRXFH:
2750 ice_get_rss_hash_opt(vsi, nfc: cmd);
2751 ret = 0;
2752 break;
2753 default:
2754 break;
2755 }
2756
2757 return ret;
2758}
2759
2760static void
2761ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring,
2762 struct kernel_ethtool_ringparam *kernel_ring,
2763 struct netlink_ext_ack *extack)
2764{
2765 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
2766 struct ice_vsi *vsi = np->vsi;
2767
2768 ring->rx_max_pending = ICE_MAX_NUM_DESC;
2769 ring->tx_max_pending = ICE_MAX_NUM_DESC;
2770 if (vsi->tx_rings && vsi->rx_rings) {
2771 ring->rx_pending = vsi->rx_rings[0]->count;
2772 ring->tx_pending = vsi->tx_rings[0]->count;
2773 } else {
2774 ring->rx_pending = 0;
2775 ring->tx_pending = 0;
2776 }
2777
2778 /* Rx mini and jumbo rings are not supported */
2779 ring->rx_mini_max_pending = 0;
2780 ring->rx_jumbo_max_pending = 0;
2781 ring->rx_mini_pending = 0;
2782 ring->rx_jumbo_pending = 0;
2783}
2784
2785static int
2786ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring,
2787 struct kernel_ethtool_ringparam *kernel_ring,
2788 struct netlink_ext_ack *extack)
2789{
2790 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
2791 struct ice_tx_ring *xdp_rings = NULL;
2792 struct ice_tx_ring *tx_rings = NULL;
2793 struct ice_rx_ring *rx_rings = NULL;
2794 struct ice_vsi *vsi = np->vsi;
2795 struct ice_pf *pf = vsi->back;
2796 int i, timeout = 50, err = 0;
2797 u16 new_rx_cnt, new_tx_cnt;
2798
2799 if (ring->tx_pending > ICE_MAX_NUM_DESC ||
2800 ring->tx_pending < ICE_MIN_NUM_DESC ||
2801 ring->rx_pending > ICE_MAX_NUM_DESC ||
2802 ring->rx_pending < ICE_MIN_NUM_DESC) {
2803 netdev_err(dev: netdev, format: "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n",
2804 ring->tx_pending, ring->rx_pending,
2805 ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC,
2806 ICE_REQ_DESC_MULTIPLE);
2807 return -EINVAL;
2808 }
2809
2810 /* Return if there is no rings (device is reloading) */
2811 if (!vsi->tx_rings || !vsi->rx_rings)
2812 return -EBUSY;
2813
2814 new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE);
2815 if (new_tx_cnt != ring->tx_pending)
2816 netdev_info(dev: netdev, format: "Requested Tx descriptor count rounded up to %d\n",
2817 new_tx_cnt);
2818 new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE);
2819 if (new_rx_cnt != ring->rx_pending)
2820 netdev_info(dev: netdev, format: "Requested Rx descriptor count rounded up to %d\n",
2821 new_rx_cnt);
2822
2823 /* if nothing to do return success */
2824 if (new_tx_cnt == vsi->tx_rings[0]->count &&
2825 new_rx_cnt == vsi->rx_rings[0]->count) {
2826 netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n");
2827 return 0;
2828 }
2829
2830 /* If there is a AF_XDP UMEM attached to any of Rx rings,
2831 * disallow changing the number of descriptors -- regardless
2832 * if the netdev is running or not.
2833 */
2834 if (ice_xsk_any_rx_ring_ena(vsi))
2835 return -EBUSY;
2836
2837 while (test_and_set_bit(nr: ICE_CFG_BUSY, addr: pf->state)) {
2838 timeout--;
2839 if (!timeout)
2840 return -EBUSY;
2841 usleep_range(min: 1000, max: 2000);
2842 }
2843
2844 /* set for the next time the netdev is started */
2845 if (!netif_running(dev: vsi->netdev)) {
2846 ice_for_each_alloc_txq(vsi, i)
2847 vsi->tx_rings[i]->count = new_tx_cnt;
2848 ice_for_each_alloc_rxq(vsi, i)
2849 vsi->rx_rings[i]->count = new_rx_cnt;
2850 if (ice_is_xdp_ena_vsi(vsi))
2851 ice_for_each_xdp_txq(vsi, i)
2852 vsi->xdp_rings[i]->count = new_tx_cnt;
2853 vsi->num_tx_desc = (u16)new_tx_cnt;
2854 vsi->num_rx_desc = (u16)new_rx_cnt;
2855 netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n");
2856 goto done;
2857 }
2858
2859 if (new_tx_cnt == vsi->tx_rings[0]->count)
2860 goto process_rx;
2861
2862 /* alloc updated Tx resources */
2863 netdev_info(dev: netdev, format: "Changing Tx descriptor count from %d to %d\n",
2864 vsi->tx_rings[0]->count, new_tx_cnt);
2865
2866 tx_rings = kcalloc(n: vsi->num_txq, size: sizeof(*tx_rings), GFP_KERNEL);
2867 if (!tx_rings) {
2868 err = -ENOMEM;
2869 goto done;
2870 }
2871
2872 ice_for_each_txq(vsi, i) {
2873 /* clone ring and setup updated count */
2874 tx_rings[i] = *vsi->tx_rings[i];
2875 tx_rings[i].count = new_tx_cnt;
2876 tx_rings[i].desc = NULL;
2877 tx_rings[i].tx_buf = NULL;
2878 tx_rings[i].tx_tstamps = &pf->ptp.port.tx;
2879 err = ice_setup_tx_ring(tx_ring: &tx_rings[i]);
2880 if (err) {
2881 while (i--)
2882 ice_clean_tx_ring(tx_ring: &tx_rings[i]);
2883 kfree(objp: tx_rings);
2884 goto done;
2885 }
2886 }
2887
2888 if (!ice_is_xdp_ena_vsi(vsi))
2889 goto process_rx;
2890
2891 /* alloc updated XDP resources */
2892 netdev_info(dev: netdev, format: "Changing XDP descriptor count from %d to %d\n",
2893 vsi->xdp_rings[0]->count, new_tx_cnt);
2894
2895 xdp_rings = kcalloc(n: vsi->num_xdp_txq, size: sizeof(*xdp_rings), GFP_KERNEL);
2896 if (!xdp_rings) {
2897 err = -ENOMEM;
2898 goto free_tx;
2899 }
2900
2901 ice_for_each_xdp_txq(vsi, i) {
2902 /* clone ring and setup updated count */
2903 xdp_rings[i] = *vsi->xdp_rings[i];
2904 xdp_rings[i].count = new_tx_cnt;
2905 xdp_rings[i].desc = NULL;
2906 xdp_rings[i].tx_buf = NULL;
2907 err = ice_setup_tx_ring(tx_ring: &xdp_rings[i]);
2908 if (err) {
2909 while (i--)
2910 ice_clean_tx_ring(tx_ring: &xdp_rings[i]);
2911 kfree(objp: xdp_rings);
2912 goto free_tx;
2913 }
2914 ice_set_ring_xdp(ring: &xdp_rings[i]);
2915 }
2916
2917process_rx:
2918 if (new_rx_cnt == vsi->rx_rings[0]->count)
2919 goto process_link;
2920
2921 /* alloc updated Rx resources */
2922 netdev_info(dev: netdev, format: "Changing Rx descriptor count from %d to %d\n",
2923 vsi->rx_rings[0]->count, new_rx_cnt);
2924
2925 rx_rings = kcalloc(n: vsi->num_rxq, size: sizeof(*rx_rings), GFP_KERNEL);
2926 if (!rx_rings) {
2927 err = -ENOMEM;
2928 goto done;
2929 }
2930
2931 ice_for_each_rxq(vsi, i) {
2932 /* clone ring and setup updated count */
2933 rx_rings[i] = *vsi->rx_rings[i];
2934 rx_rings[i].count = new_rx_cnt;
2935 rx_rings[i].cached_phctime = pf->ptp.cached_phc_time;
2936 rx_rings[i].desc = NULL;
2937 rx_rings[i].rx_buf = NULL;
2938 /* this is to allow wr32 to have something to write to
2939 * during early allocation of Rx buffers
2940 */
2941 rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS;
2942
2943 err = ice_setup_rx_ring(rx_ring: &rx_rings[i]);
2944 if (err)
2945 goto rx_unwind;
2946
2947 /* allocate Rx buffers */
2948 err = ice_alloc_rx_bufs(rxr: &rx_rings[i],
2949 ICE_RX_DESC_UNUSED(&rx_rings[i]));
2950rx_unwind:
2951 if (err) {
2952 while (i) {
2953 i--;
2954 ice_free_rx_ring(rx_ring: &rx_rings[i]);
2955 }
2956 kfree(objp: rx_rings);
2957 err = -ENOMEM;
2958 goto free_tx;
2959 }
2960 }
2961
2962process_link:
2963 /* Bring interface down, copy in the new ring info, then restore the
2964 * interface. if VSI is up, bring it down and then back up
2965 */
2966 if (!test_and_set_bit(nr: ICE_VSI_DOWN, addr: vsi->state)) {
2967 ice_down(vsi);
2968
2969 if (tx_rings) {
2970 ice_for_each_txq(vsi, i) {
2971 ice_free_tx_ring(tx_ring: vsi->tx_rings[i]);
2972 *vsi->tx_rings[i] = tx_rings[i];
2973 }
2974 kfree(objp: tx_rings);
2975 }
2976
2977 if (rx_rings) {
2978 ice_for_each_rxq(vsi, i) {
2979 ice_free_rx_ring(rx_ring: vsi->rx_rings[i]);
2980 /* copy the real tail offset */
2981 rx_rings[i].tail = vsi->rx_rings[i]->tail;
2982 /* this is to fake out the allocation routine
2983 * into thinking it has to realloc everything
2984 * but the recycling logic will let us re-use
2985 * the buffers allocated above
2986 */
2987 rx_rings[i].next_to_use = 0;
2988 rx_rings[i].next_to_clean = 0;
2989 rx_rings[i].next_to_alloc = 0;
2990 *vsi->rx_rings[i] = rx_rings[i];
2991 }
2992 kfree(objp: rx_rings);
2993 }
2994
2995 if (xdp_rings) {
2996 ice_for_each_xdp_txq(vsi, i) {
2997 ice_free_tx_ring(tx_ring: vsi->xdp_rings[i]);
2998 *vsi->xdp_rings[i] = xdp_rings[i];
2999 }
3000 kfree(objp: xdp_rings);
3001 }
3002
3003 vsi->num_tx_desc = new_tx_cnt;
3004 vsi->num_rx_desc = new_rx_cnt;
3005 ice_up(vsi);
3006 }
3007 goto done;
3008
3009free_tx:
3010 /* error cleanup if the Rx allocations failed after getting Tx */
3011 if (tx_rings) {
3012 ice_for_each_txq(vsi, i)
3013 ice_free_tx_ring(tx_ring: &tx_rings[i]);
3014 kfree(objp: tx_rings);
3015 }
3016
3017done:
3018 clear_bit(nr: ICE_CFG_BUSY, addr: pf->state);
3019 return err;
3020}
3021
3022/**
3023 * ice_get_pauseparam - Get Flow Control status
3024 * @netdev: network interface device structure
3025 * @pause: ethernet pause (flow control) parameters
3026 *
3027 * Get requested flow control status from PHY capability.
3028 * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which
3029 * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report
3030 * the negotiated Rx/Tx pause via lp_advertising.
3031 */
3032static void
3033ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
3034{
3035 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
3036 struct ice_port_info *pi = np->vsi->port_info;
3037 struct ice_aqc_get_phy_caps_data *pcaps;
3038 struct ice_dcbx_cfg *dcbx_cfg;
3039 int status;
3040
3041 /* Initialize pause params */
3042 pause->rx_pause = 0;
3043 pause->tx_pause = 0;
3044
3045 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg;
3046
3047 pcaps = kzalloc(size: sizeof(*pcaps), GFP_KERNEL);
3048 if (!pcaps)
3049 return;
3050
3051 /* Get current PHY config */
3052 status = ice_aq_get_phy_caps(pi, qual_mods: false, ICE_AQC_REPORT_ACTIVE_CFG, caps: pcaps,
3053 NULL);
3054 if (status)
3055 goto out;
3056
3057 pause->autoneg = ice_is_phy_caps_an_enabled(caps: pcaps) ? AUTONEG_ENABLE :
3058 AUTONEG_DISABLE;
3059
3060 if (dcbx_cfg->pfc.pfcena)
3061 /* PFC enabled so report LFC as off */
3062 goto out;
3063
3064 if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE)
3065 pause->tx_pause = 1;
3066 if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)
3067 pause->rx_pause = 1;
3068
3069out:
3070 kfree(objp: pcaps);
3071}
3072
3073/**
3074 * ice_set_pauseparam - Set Flow Control parameter
3075 * @netdev: network interface device structure
3076 * @pause: return Tx/Rx flow control status
3077 */
3078static int
3079ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
3080{
3081 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
3082 struct ice_aqc_get_phy_caps_data *pcaps;
3083 struct ice_link_status *hw_link_info;
3084 struct ice_pf *pf = np->vsi->back;
3085 struct ice_dcbx_cfg *dcbx_cfg;
3086 struct ice_vsi *vsi = np->vsi;
3087 struct ice_hw *hw = &pf->hw;
3088 struct ice_port_info *pi;
3089 u8 aq_failures;
3090 bool link_up;
3091 u32 is_an;
3092 int err;
3093
3094 pi = vsi->port_info;
3095 hw_link_info = &pi->phy.link_info;
3096 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg;
3097 link_up = hw_link_info->link_info & ICE_AQ_LINK_UP;
3098
3099 /* Changing the port's flow control is not supported if this isn't the
3100 * PF VSI
3101 */
3102 if (vsi->type != ICE_VSI_PF) {
3103 netdev_info(dev: netdev, format: "Changing flow control parameters only supported for PF VSI\n");
3104 return -EOPNOTSUPP;
3105 }
3106
3107 /* Get pause param reports configured and negotiated flow control pause
3108 * when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is
3109 * defined get pause param pause->autoneg reports SW configured setting,
3110 * so compare pause->autoneg with SW configured to prevent the user from
3111 * using set pause param to chance autoneg.
3112 */
3113 pcaps = kzalloc(size: sizeof(*pcaps), GFP_KERNEL);
3114 if (!pcaps)
3115 return -ENOMEM;
3116
3117 /* Get current PHY config */
3118 err = ice_aq_get_phy_caps(pi, qual_mods: false, ICE_AQC_REPORT_ACTIVE_CFG, caps: pcaps,
3119 NULL);
3120 if (err) {
3121 kfree(objp: pcaps);
3122 return err;
3123 }
3124
3125 is_an = ice_is_phy_caps_an_enabled(caps: pcaps) ? AUTONEG_ENABLE :
3126 AUTONEG_DISABLE;
3127
3128 kfree(objp: pcaps);
3129
3130 if (pause->autoneg != is_an) {
3131 netdev_info(dev: netdev, format: "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");
3132 return -EOPNOTSUPP;
3133 }
3134
3135 /* If we have link and don't have autoneg */
3136 if (!test_bit(ICE_DOWN, pf->state) &&
3137 !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) {
3138 /* Send message that it might not necessarily work*/
3139 netdev_info(dev: netdev, format: "Autoneg did not complete so changing settings may not result in an actual change.\n");
3140 }
3141
3142 if (dcbx_cfg->pfc.pfcena) {
3143 netdev_info(dev: netdev, format: "Priority flow control enabled. Cannot set link flow control.\n");
3144 return -EOPNOTSUPP;
3145 }
3146 if (pause->rx_pause && pause->tx_pause)
3147 pi->fc.req_mode = ICE_FC_FULL;
3148 else if (pause->rx_pause && !pause->tx_pause)
3149 pi->fc.req_mode = ICE_FC_RX_PAUSE;
3150 else if (!pause->rx_pause && pause->tx_pause)
3151 pi->fc.req_mode = ICE_FC_TX_PAUSE;
3152 else if (!pause->rx_pause && !pause->tx_pause)
3153 pi->fc.req_mode = ICE_FC_NONE;
3154 else
3155 return -EINVAL;
3156
3157 /* Set the FC mode and only restart AN if link is up */
3158 err = ice_set_fc(pi, aq_failures: &aq_failures, ena_auto_link_update: link_up);
3159
3160 if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) {
3161 netdev_info(dev: netdev, format: "Set fc failed on the get_phy_capabilities call with err %d aq_err %s\n",
3162 err, ice_aq_str(aq_err: hw->adminq.sq_last_status));
3163 err = -EAGAIN;
3164 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) {
3165 netdev_info(dev: netdev, format: "Set fc failed on the set_phy_config call with err %d aq_err %s\n",
3166 err, ice_aq_str(aq_err: hw->adminq.sq_last_status));
3167 err = -EAGAIN;
3168 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) {
3169 netdev_info(dev: netdev, format: "Set fc failed on the get_link_info call with err %d aq_err %s\n",
3170 err, ice_aq_str(aq_err: hw->adminq.sq_last_status));
3171 err = -EAGAIN;
3172 }
3173
3174 return err;
3175}
3176
3177/**
3178 * ice_get_rxfh_key_size - get the RSS hash key size
3179 * @netdev: network interface device structure
3180 *
3181 * Returns the table size.
3182 */
3183static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev)
3184{
3185 return ICE_VSIQF_HKEY_ARRAY_SIZE;
3186}
3187
3188/**
3189 * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size
3190 * @netdev: network interface device structure
3191 *
3192 * Returns the table size.
3193 */
3194static u32 ice_get_rxfh_indir_size(struct net_device *netdev)
3195{
3196 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
3197
3198 return np->vsi->rss_table_size;
3199}
3200
3201static int
3202ice_get_rxfh_context(struct net_device *netdev, u32 *indir,
3203 u8 *key, u8 *hfunc, u32 rss_context)
3204{
3205 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
3206 struct ice_vsi *vsi = np->vsi;
3207 struct ice_pf *pf = vsi->back;
3208 u16 qcount, offset;
3209 int err, num_tc, i;
3210 u8 *lut;
3211
3212 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
3213 netdev_warn(dev: netdev, format: "RSS is not supported on this VSI!\n");
3214 return -EOPNOTSUPP;
3215 }
3216
3217 if (rss_context && !ice_is_adq_active(pf)) {
3218 netdev_err(dev: netdev, format: "RSS context cannot be non-zero when ADQ is not configured.\n");
3219 return -EINVAL;
3220 }
3221
3222 qcount = vsi->mqprio_qopt.qopt.count[rss_context];
3223 offset = vsi->mqprio_qopt.qopt.offset[rss_context];
3224
3225 if (rss_context && ice_is_adq_active(pf)) {
3226 num_tc = vsi->mqprio_qopt.qopt.num_tc;
3227 if (rss_context >= num_tc) {
3228 netdev_err(dev: netdev, format: "RSS context:%d > num_tc:%d\n",
3229 rss_context, num_tc);
3230 return -EINVAL;
3231 }
3232 /* Use channel VSI of given TC */
3233 vsi = vsi->tc_map_vsi[rss_context];
3234 }
3235
3236 if (hfunc)
3237 *hfunc = ETH_RSS_HASH_TOP;
3238
3239 if (!indir)
3240 return 0;
3241
3242 lut = kzalloc(size: vsi->rss_table_size, GFP_KERNEL);
3243 if (!lut)
3244 return -ENOMEM;
3245
3246 err = ice_get_rss_key(vsi, seed: key);
3247 if (err)
3248 goto out;
3249
3250 err = ice_get_rss_lut(vsi, lut, lut_size: vsi->rss_table_size);
3251 if (err)
3252 goto out;
3253
3254 if (ice_is_adq_active(pf)) {
3255 for (i = 0; i < vsi->rss_table_size; i++)
3256 indir[i] = offset + lut[i] % qcount;
3257 goto out;
3258 }
3259
3260 for (i = 0; i < vsi->rss_table_size; i++)
3261 indir[i] = lut[i];
3262
3263out:
3264 kfree(objp: lut);
3265 return err;
3266}
3267
3268/**
3269 * ice_get_rxfh - get the Rx flow hash indirection table
3270 * @netdev: network interface device structure
3271 * @indir: indirection table
3272 * @key: hash key
3273 * @hfunc: hash function
3274 *
3275 * Reads the indirection table directly from the hardware.
3276 */
3277static int
3278ice_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc)
3279{
3280 return ice_get_rxfh_context(netdev, indir, key, hfunc, rss_context: 0);
3281}
3282
3283/**
3284 * ice_set_rxfh - set the Rx flow hash indirection table
3285 * @netdev: network interface device structure
3286 * @indir: indirection table
3287 * @key: hash key
3288 * @hfunc: hash function
3289 *
3290 * Returns -EINVAL if the table specifies an invalid queue ID, otherwise
3291 * returns 0 after programming the table.
3292 */
3293static int
3294ice_set_rxfh(struct net_device *netdev, const u32 *indir, const u8 *key,
3295 const u8 hfunc)
3296{
3297 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
3298 struct ice_vsi *vsi = np->vsi;
3299 struct ice_pf *pf = vsi->back;
3300 struct device *dev;
3301 int err;
3302
3303 dev = ice_pf_to_dev(pf);
3304 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
3305 return -EOPNOTSUPP;
3306
3307 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
3308 /* RSS not supported return error here */
3309 netdev_warn(dev: netdev, format: "RSS is not configured on this VSI!\n");
3310 return -EIO;
3311 }
3312
3313 if (ice_is_adq_active(pf)) {
3314 netdev_err(dev: netdev, format: "Cannot change RSS params with ADQ configured.\n");
3315 return -EOPNOTSUPP;
3316 }
3317
3318 if (key) {
3319 if (!vsi->rss_hkey_user) {
3320 vsi->rss_hkey_user =
3321 devm_kzalloc(dev, ICE_VSIQF_HKEY_ARRAY_SIZE,
3322 GFP_KERNEL);
3323 if (!vsi->rss_hkey_user)
3324 return -ENOMEM;
3325 }
3326 memcpy(vsi->rss_hkey_user, key, ICE_VSIQF_HKEY_ARRAY_SIZE);
3327
3328 err = ice_set_rss_key(vsi, seed: vsi->rss_hkey_user);
3329 if (err)
3330 return err;
3331 }
3332
3333 if (!vsi->rss_lut_user) {
3334 vsi->rss_lut_user = devm_kzalloc(dev, size: vsi->rss_table_size,
3335 GFP_KERNEL);
3336 if (!vsi->rss_lut_user)
3337 return -ENOMEM;
3338 }
3339
3340 /* Each 32 bits pointed by 'indir' is stored with a lut entry */
3341 if (indir) {
3342 int i;
3343
3344 for (i = 0; i < vsi->rss_table_size; i++)
3345 vsi->rss_lut_user[i] = (u8)(indir[i]);
3346 } else {
3347 ice_fill_rss_lut(lut: vsi->rss_lut_user, rss_table_size: vsi->rss_table_size,
3348 rss_size: vsi->rss_size);
3349 }
3350
3351 err = ice_set_rss_lut(vsi, lut: vsi->rss_lut_user, lut_size: vsi->rss_table_size);
3352 if (err)
3353 return err;
3354
3355 return 0;
3356}
3357
3358static int
3359ice_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info)
3360{
3361 struct ice_pf *pf = ice_netdev_to_pf(netdev: dev);
3362
3363 /* only report timestamping if PTP is enabled */
3364 if (!test_bit(ICE_FLAG_PTP, pf->flags))
3365 return ethtool_op_get_ts_info(dev, eti: info);
3366
3367 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
3368 SOF_TIMESTAMPING_RX_SOFTWARE |
3369 SOF_TIMESTAMPING_SOFTWARE |
3370 SOF_TIMESTAMPING_TX_HARDWARE |
3371 SOF_TIMESTAMPING_RX_HARDWARE |
3372 SOF_TIMESTAMPING_RAW_HARDWARE;
3373
3374 info->phc_index = ice_ptp_clock_index(pf);
3375
3376 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
3377
3378 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | BIT(HWTSTAMP_FILTER_ALL);
3379
3380 return 0;
3381}
3382
3383/**
3384 * ice_get_max_txq - return the maximum number of Tx queues for in a PF
3385 * @pf: PF structure
3386 */
3387static int ice_get_max_txq(struct ice_pf *pf)
3388{
3389 return min3(pf->num_lan_msix, (u16)num_online_cpus(),
3390 (u16)pf->hw.func_caps.common_cap.num_txq);
3391}
3392
3393/**
3394 * ice_get_max_rxq - return the maximum number of Rx queues for in a PF
3395 * @pf: PF structure
3396 */
3397static int ice_get_max_rxq(struct ice_pf *pf)
3398{
3399 return min3(pf->num_lan_msix, (u16)num_online_cpus(),
3400 (u16)pf->hw.func_caps.common_cap.num_rxq);
3401}
3402
3403/**
3404 * ice_get_combined_cnt - return the current number of combined channels
3405 * @vsi: PF VSI pointer
3406 *
3407 * Go through all queue vectors and count ones that have both Rx and Tx ring
3408 * attached
3409 */
3410static u32 ice_get_combined_cnt(struct ice_vsi *vsi)
3411{
3412 u32 combined = 0;
3413 int q_idx;
3414
3415 ice_for_each_q_vector(vsi, q_idx) {
3416 struct ice_q_vector *q_vector = vsi->q_vectors[q_idx];
3417
3418 if (q_vector->rx.rx_ring && q_vector->tx.tx_ring)
3419 combined++;
3420 }
3421
3422 return combined;
3423}
3424
3425/**
3426 * ice_get_channels - get the current and max supported channels
3427 * @dev: network interface device structure
3428 * @ch: ethtool channel data structure
3429 */
3430static void
3431ice_get_channels(struct net_device *dev, struct ethtool_channels *ch)
3432{
3433 struct ice_netdev_priv *np = netdev_priv(dev);
3434 struct ice_vsi *vsi = np->vsi;
3435 struct ice_pf *pf = vsi->back;
3436
3437 /* report maximum channels */
3438 ch->max_rx = ice_get_max_rxq(pf);
3439 ch->max_tx = ice_get_max_txq(pf);
3440 ch->max_combined = min_t(int, ch->max_rx, ch->max_tx);
3441
3442 /* report current channels */
3443 ch->combined_count = ice_get_combined_cnt(vsi);
3444 ch->rx_count = vsi->num_rxq - ch->combined_count;
3445 ch->tx_count = vsi->num_txq - ch->combined_count;
3446
3447 /* report other queues */
3448 ch->other_count = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0;
3449 ch->max_other = ch->other_count;
3450}
3451
3452/**
3453 * ice_get_valid_rss_size - return valid number of RSS queues
3454 * @hw: pointer to the HW structure
3455 * @new_size: requested RSS queues
3456 */
3457static int ice_get_valid_rss_size(struct ice_hw *hw, int new_size)
3458{
3459 struct ice_hw_common_caps *caps = &hw->func_caps.common_cap;
3460
3461 return min_t(int, new_size, BIT(caps->rss_table_entry_width));
3462}
3463
3464/**
3465 * ice_vsi_set_dflt_rss_lut - set default RSS LUT with requested RSS size
3466 * @vsi: VSI to reconfigure RSS LUT on
3467 * @req_rss_size: requested range of queue numbers for hashing
3468 *
3469 * Set the VSI's RSS parameters, configure the RSS LUT based on these.
3470 */
3471static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size)
3472{
3473 struct ice_pf *pf = vsi->back;
3474 struct device *dev;
3475 struct ice_hw *hw;
3476 int err;
3477 u8 *lut;
3478
3479 dev = ice_pf_to_dev(pf);
3480 hw = &pf->hw;
3481
3482 if (!req_rss_size)
3483 return -EINVAL;
3484
3485 lut = kzalloc(size: vsi->rss_table_size, GFP_KERNEL);
3486 if (!lut)
3487 return -ENOMEM;
3488
3489 /* set RSS LUT parameters */
3490 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags))
3491 vsi->rss_size = 1;
3492 else
3493 vsi->rss_size = ice_get_valid_rss_size(hw, new_size: req_rss_size);
3494
3495 /* create/set RSS LUT */
3496 ice_fill_rss_lut(lut, rss_table_size: vsi->rss_table_size, rss_size: vsi->rss_size);
3497 err = ice_set_rss_lut(vsi, lut, lut_size: vsi->rss_table_size);
3498 if (err)
3499 dev_err(dev, "Cannot set RSS lut, err %d aq_err %s\n", err,
3500 ice_aq_str(hw->adminq.sq_last_status));
3501
3502 kfree(objp: lut);
3503 return err;
3504}
3505
3506/**
3507 * ice_set_channels - set the number channels
3508 * @dev: network interface device structure
3509 * @ch: ethtool channel data structure
3510 */
3511static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch)
3512{
3513 struct ice_netdev_priv *np = netdev_priv(dev);
3514 struct ice_vsi *vsi = np->vsi;
3515 struct ice_pf *pf = vsi->back;
3516 int new_rx = 0, new_tx = 0;
3517 bool locked = false;
3518 u32 curr_combined;
3519 int ret = 0;
3520
3521 /* do not support changing channels in Safe Mode */
3522 if (ice_is_safe_mode(pf)) {
3523 netdev_err(dev, format: "Changing channel in Safe Mode is not supported\n");
3524 return -EOPNOTSUPP;
3525 }
3526 /* do not support changing other_count */
3527 if (ch->other_count != (test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1U : 0U))
3528 return -EINVAL;
3529
3530 if (ice_is_adq_active(pf)) {
3531 netdev_err(dev, format: "Cannot set channels with ADQ configured.\n");
3532 return -EOPNOTSUPP;
3533 }
3534
3535 if (test_bit(ICE_FLAG_FD_ENA, pf->flags) && pf->hw.fdir_active_fltr) {
3536 netdev_err(dev, format: "Cannot set channels when Flow Director filters are active\n");
3537 return -EOPNOTSUPP;
3538 }
3539
3540 curr_combined = ice_get_combined_cnt(vsi);
3541
3542 /* these checks are for cases where user didn't specify a particular
3543 * value on cmd line but we get non-zero value anyway via
3544 * get_channels(); look at ethtool.c in ethtool repository (the user
3545 * space part), particularly, do_schannels() routine
3546 */
3547 if (ch->rx_count == vsi->num_rxq - curr_combined)
3548 ch->rx_count = 0;
3549 if (ch->tx_count == vsi->num_txq - curr_combined)
3550 ch->tx_count = 0;
3551 if (ch->combined_count == curr_combined)
3552 ch->combined_count = 0;
3553
3554 if (!(ch->combined_count || (ch->rx_count && ch->tx_count))) {
3555 netdev_err(dev, format: "Please specify at least 1 Rx and 1 Tx channel\n");
3556 return -EINVAL;
3557 }
3558
3559 new_rx = ch->combined_count + ch->rx_count;
3560 new_tx = ch->combined_count + ch->tx_count;
3561
3562 if (new_rx < vsi->tc_cfg.numtc) {
3563 netdev_err(dev, format: "Cannot set less Rx channels, than Traffic Classes you have (%u)\n",
3564 vsi->tc_cfg.numtc);
3565 return -EINVAL;
3566 }
3567 if (new_tx < vsi->tc_cfg.numtc) {
3568 netdev_err(dev, format: "Cannot set less Tx channels, than Traffic Classes you have (%u)\n",
3569 vsi->tc_cfg.numtc);
3570 return -EINVAL;
3571 }
3572 if (new_rx > ice_get_max_rxq(pf)) {
3573 netdev_err(dev, format: "Maximum allowed Rx channels is %d\n",
3574 ice_get_max_rxq(pf));
3575 return -EINVAL;
3576 }
3577 if (new_tx > ice_get_max_txq(pf)) {
3578 netdev_err(dev, format: "Maximum allowed Tx channels is %d\n",
3579 ice_get_max_txq(pf));
3580 return -EINVAL;
3581 }
3582
3583 if (pf->adev) {
3584 mutex_lock(&pf->adev_mutex);
3585 device_lock(dev: &pf->adev->dev);
3586 locked = true;
3587 if (pf->adev->dev.driver) {
3588 netdev_err(dev, format: "Cannot change channels when RDMA is active\n");
3589 ret = -EBUSY;
3590 goto adev_unlock;
3591 }
3592 }
3593
3594 ice_vsi_recfg_qs(vsi, new_rx, new_tx, locked);
3595
3596 if (!netif_is_rxfh_configured(dev)) {
3597 ret = ice_vsi_set_dflt_rss_lut(vsi, req_rss_size: new_rx);
3598 goto adev_unlock;
3599 }
3600
3601 /* Update rss_size due to change in Rx queues */
3602 vsi->rss_size = ice_get_valid_rss_size(hw: &pf->hw, new_size: new_rx);
3603
3604adev_unlock:
3605 if (locked) {
3606 device_unlock(dev: &pf->adev->dev);
3607 mutex_unlock(lock: &pf->adev_mutex);
3608 }
3609 return ret;
3610}
3611
3612/**
3613 * ice_get_wol - get current Wake on LAN configuration
3614 * @netdev: network interface device structure
3615 * @wol: Ethtool structure to retrieve WoL settings
3616 */
3617static void ice_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
3618{
3619 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
3620 struct ice_pf *pf = np->vsi->back;
3621
3622 if (np->vsi->type != ICE_VSI_PF)
3623 netdev_warn(dev: netdev, format: "Wake on LAN is not supported on this interface!\n");
3624
3625 /* Get WoL settings based on the HW capability */
3626 if (ice_is_wol_supported(hw: &pf->hw)) {
3627 wol->supported = WAKE_MAGIC;
3628 wol->wolopts = pf->wol_ena ? WAKE_MAGIC : 0;
3629 } else {
3630 wol->supported = 0;
3631 wol->wolopts = 0;
3632 }
3633}
3634
3635/**
3636 * ice_set_wol - set Wake on LAN on supported device
3637 * @netdev: network interface device structure
3638 * @wol: Ethtool structure to set WoL
3639 */
3640static int ice_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
3641{
3642 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
3643 struct ice_vsi *vsi = np->vsi;
3644 struct ice_pf *pf = vsi->back;
3645
3646 if (vsi->type != ICE_VSI_PF || !ice_is_wol_supported(hw: &pf->hw))
3647 return -EOPNOTSUPP;
3648
3649 /* only magic packet is supported */
3650 if (wol->wolopts && wol->wolopts != WAKE_MAGIC)
3651 return -EOPNOTSUPP;
3652
3653 /* Set WoL only if there is a new value */
3654 if (pf->wol_ena != !!wol->wolopts) {
3655 pf->wol_ena = !!wol->wolopts;
3656 device_set_wakeup_enable(ice_pf_to_dev(pf), enable: pf->wol_ena);
3657 netdev_dbg(netdev, "WoL magic packet %sabled\n",
3658 pf->wol_ena ? "en" : "dis");
3659 }
3660
3661 return 0;
3662}
3663
3664/**
3665 * ice_get_rc_coalesce - get ITR values for specific ring container
3666 * @ec: ethtool structure to fill with driver's coalesce settings
3667 * @rc: ring container that the ITR values will come from
3668 *
3669 * Query the device for ice_ring_container specific ITR values. This is
3670 * done per ice_ring_container because each q_vector can have 1 or more rings
3671 * and all of said ring(s) will have the same ITR values.
3672 *
3673 * Returns 0 on success, negative otherwise.
3674 */
3675static int
3676ice_get_rc_coalesce(struct ethtool_coalesce *ec, struct ice_ring_container *rc)
3677{
3678 if (!rc->rx_ring)
3679 return -EINVAL;
3680
3681 switch (rc->type) {
3682 case ICE_RX_CONTAINER:
3683 ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc);
3684 ec->rx_coalesce_usecs = rc->itr_setting;
3685 ec->rx_coalesce_usecs_high = rc->rx_ring->q_vector->intrl;
3686 break;
3687 case ICE_TX_CONTAINER:
3688 ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc);
3689 ec->tx_coalesce_usecs = rc->itr_setting;
3690 break;
3691 default:
3692 dev_dbg(ice_pf_to_dev(rc->rx_ring->vsi->back), "Invalid c_type %d\n", rc->type);
3693 return -EINVAL;
3694 }
3695
3696 return 0;
3697}
3698
3699/**
3700 * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings
3701 * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings
3702 * @ec: coalesce settings to program the device with
3703 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index
3704 *
3705 * Return 0 on success, and negative under the following conditions:
3706 * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed.
3707 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings.
3708 */
3709static int
3710ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num)
3711{
3712 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) {
3713 if (ice_get_rc_coalesce(ec,
3714 rc: &vsi->rx_rings[q_num]->q_vector->rx))
3715 return -EINVAL;
3716 if (ice_get_rc_coalesce(ec,
3717 rc: &vsi->tx_rings[q_num]->q_vector->tx))
3718 return -EINVAL;
3719 } else if (q_num < vsi->num_rxq) {
3720 if (ice_get_rc_coalesce(ec,
3721 rc: &vsi->rx_rings[q_num]->q_vector->rx))
3722 return -EINVAL;
3723 } else if (q_num < vsi->num_txq) {
3724 if (ice_get_rc_coalesce(ec,
3725 rc: &vsi->tx_rings[q_num]->q_vector->tx))
3726 return -EINVAL;
3727 } else {
3728 return -EINVAL;
3729 }
3730
3731 return 0;
3732}
3733
3734/**
3735 * __ice_get_coalesce - get ITR/INTRL values for the device
3736 * @netdev: pointer to the netdev associated with this query
3737 * @ec: ethtool structure to fill with driver's coalesce settings
3738 * @q_num: queue number to get the coalesce settings for
3739 *
3740 * If the caller passes in a negative q_num then we return coalesce settings
3741 * based on queue number 0, else use the actual q_num passed in.
3742 */
3743static int
3744__ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec,
3745 int q_num)
3746{
3747 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
3748 struct ice_vsi *vsi = np->vsi;
3749
3750 if (q_num < 0)
3751 q_num = 0;
3752
3753 if (ice_get_q_coalesce(vsi, ec, q_num))
3754 return -EINVAL;
3755
3756 return 0;
3757}
3758
3759static int ice_get_coalesce(struct net_device *netdev,
3760 struct ethtool_coalesce *ec,
3761 struct kernel_ethtool_coalesce *kernel_coal,
3762 struct netlink_ext_ack *extack)
3763{
3764 return __ice_get_coalesce(netdev, ec, q_num: -1);
3765}
3766
3767static int
3768ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num,
3769 struct ethtool_coalesce *ec)
3770{
3771 return __ice_get_coalesce(netdev, ec, q_num);
3772}
3773
3774/**
3775 * ice_set_rc_coalesce - set ITR values for specific ring container
3776 * @ec: ethtool structure from user to update ITR settings
3777 * @rc: ring container that the ITR values will come from
3778 * @vsi: VSI associated to the ring container
3779 *
3780 * Set specific ITR values. This is done per ice_ring_container because each
3781 * q_vector can have 1 or more rings and all of said ring(s) will have the same
3782 * ITR values.
3783 *
3784 * Returns 0 on success, negative otherwise.
3785 */
3786static int
3787ice_set_rc_coalesce(struct ethtool_coalesce *ec,
3788 struct ice_ring_container *rc, struct ice_vsi *vsi)
3789{
3790 const char *c_type_str = (rc->type == ICE_RX_CONTAINER) ? "rx" : "tx";
3791 u32 use_adaptive_coalesce, coalesce_usecs;
3792 struct ice_pf *pf = vsi->back;
3793 u16 itr_setting;
3794
3795 if (!rc->rx_ring)
3796 return -EINVAL;
3797
3798 switch (rc->type) {
3799 case ICE_RX_CONTAINER:
3800 {
3801 struct ice_q_vector *q_vector = rc->rx_ring->q_vector;
3802
3803 if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL ||
3804 (ec->rx_coalesce_usecs_high &&
3805 ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) {
3806 netdev_info(dev: vsi->netdev, format: "Invalid value, %s-usecs-high valid values are 0 (disabled), %d-%d\n",
3807 c_type_str, pf->hw.intrl_gran,
3808 ICE_MAX_INTRL);
3809 return -EINVAL;
3810 }
3811 if (ec->rx_coalesce_usecs_high != q_vector->intrl &&
3812 (ec->use_adaptive_rx_coalesce || ec->use_adaptive_tx_coalesce)) {
3813 netdev_info(dev: vsi->netdev, format: "Invalid value, %s-usecs-high cannot be changed if adaptive-tx or adaptive-rx is enabled\n",
3814 c_type_str);
3815 return -EINVAL;
3816 }
3817 if (ec->rx_coalesce_usecs_high != q_vector->intrl)
3818 q_vector->intrl = ec->rx_coalesce_usecs_high;
3819
3820 use_adaptive_coalesce = ec->use_adaptive_rx_coalesce;
3821 coalesce_usecs = ec->rx_coalesce_usecs;
3822
3823 break;
3824 }
3825 case ICE_TX_CONTAINER:
3826 use_adaptive_coalesce = ec->use_adaptive_tx_coalesce;
3827 coalesce_usecs = ec->tx_coalesce_usecs;
3828
3829 break;
3830 default:
3831 dev_dbg(ice_pf_to_dev(pf), "Invalid container type %d\n",
3832 rc->type);
3833 return -EINVAL;
3834 }
3835
3836 itr_setting = rc->itr_setting;
3837 if (coalesce_usecs != itr_setting && use_adaptive_coalesce) {
3838 netdev_info(dev: vsi->netdev, format: "%s interrupt throttling cannot be changed if adaptive-%s is enabled\n",
3839 c_type_str, c_type_str);
3840 return -EINVAL;
3841 }
3842
3843 if (coalesce_usecs > ICE_ITR_MAX) {
3844 netdev_info(dev: vsi->netdev, format: "Invalid value, %s-usecs range is 0-%d\n",
3845 c_type_str, ICE_ITR_MAX);
3846 return -EINVAL;
3847 }
3848
3849 if (use_adaptive_coalesce) {
3850 rc->itr_mode = ITR_DYNAMIC;
3851 } else {
3852 rc->itr_mode = ITR_STATIC;
3853 /* store user facing value how it was set */
3854 rc->itr_setting = coalesce_usecs;
3855 /* write the change to the register */
3856 ice_write_itr(rc, itr: coalesce_usecs);
3857 /* force writes to take effect immediately, the flush shouldn't
3858 * be done in the functions above because the intent is for
3859 * them to do lazy writes.
3860 */
3861 ice_flush(&pf->hw);
3862 }
3863
3864 return 0;
3865}
3866
3867/**
3868 * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings
3869 * @vsi: VSI associated to the queue that need updating
3870 * @ec: coalesce settings to program the device with
3871 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index
3872 *
3873 * Return 0 on success, and negative under the following conditions:
3874 * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed.
3875 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings.
3876 */
3877static int
3878ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num)
3879{
3880 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) {
3881 if (ice_set_rc_coalesce(ec,
3882 rc: &vsi->rx_rings[q_num]->q_vector->rx,
3883 vsi))
3884 return -EINVAL;
3885
3886 if (ice_set_rc_coalesce(ec,
3887 rc: &vsi->tx_rings[q_num]->q_vector->tx,
3888 vsi))
3889 return -EINVAL;
3890 } else if (q_num < vsi->num_rxq) {
3891 if (ice_set_rc_coalesce(ec,
3892 rc: &vsi->rx_rings[q_num]->q_vector->rx,
3893 vsi))
3894 return -EINVAL;
3895 } else if (q_num < vsi->num_txq) {
3896 if (ice_set_rc_coalesce(ec,
3897 rc: &vsi->tx_rings[q_num]->q_vector->tx,
3898 vsi))
3899 return -EINVAL;
3900 } else {
3901 return -EINVAL;
3902 }
3903
3904 return 0;
3905}
3906
3907/**
3908 * ice_print_if_odd_usecs - print message if user tries to set odd [tx|rx]-usecs
3909 * @netdev: netdev used for print
3910 * @itr_setting: previous user setting
3911 * @use_adaptive_coalesce: if adaptive coalesce is enabled or being enabled
3912 * @coalesce_usecs: requested value of [tx|rx]-usecs
3913 * @c_type_str: either "rx" or "tx" to match user set field of [tx|rx]-usecs
3914 */
3915static void
3916ice_print_if_odd_usecs(struct net_device *netdev, u16 itr_setting,
3917 u32 use_adaptive_coalesce, u32 coalesce_usecs,
3918 const char *c_type_str)
3919{
3920 if (use_adaptive_coalesce)
3921 return;
3922
3923 if (itr_setting != coalesce_usecs && (coalesce_usecs % 2))
3924 netdev_info(dev: netdev, format: "User set %s-usecs to %d, device only supports even values. Rounding down and attempting to set %s-usecs to %d\n",
3925 c_type_str, coalesce_usecs, c_type_str,
3926 ITR_REG_ALIGN(coalesce_usecs));
3927}
3928
3929/**
3930 * __ice_set_coalesce - set ITR/INTRL values for the device
3931 * @netdev: pointer to the netdev associated with this query
3932 * @ec: ethtool structure to fill with driver's coalesce settings
3933 * @q_num: queue number to get the coalesce settings for
3934 *
3935 * If the caller passes in a negative q_num then we set the coalesce settings
3936 * for all Tx/Rx queues, else use the actual q_num passed in.
3937 */
3938static int
3939__ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec,
3940 int q_num)
3941{
3942 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
3943 struct ice_vsi *vsi = np->vsi;
3944
3945 if (q_num < 0) {
3946 struct ice_q_vector *q_vector = vsi->q_vectors[0];
3947 int v_idx;
3948
3949 if (q_vector) {
3950 ice_print_if_odd_usecs(netdev, itr_setting: q_vector->rx.itr_setting,
3951 use_adaptive_coalesce: ec->use_adaptive_rx_coalesce,
3952 coalesce_usecs: ec->rx_coalesce_usecs, c_type_str: "rx");
3953
3954 ice_print_if_odd_usecs(netdev, itr_setting: q_vector->tx.itr_setting,
3955 use_adaptive_coalesce: ec->use_adaptive_tx_coalesce,
3956 coalesce_usecs: ec->tx_coalesce_usecs, c_type_str: "tx");
3957 }
3958
3959 ice_for_each_q_vector(vsi, v_idx) {
3960 /* In some cases if DCB is configured the num_[rx|tx]q
3961 * can be less than vsi->num_q_vectors. This check
3962 * accounts for that so we don't report a false failure
3963 */
3964 if (v_idx >= vsi->num_rxq && v_idx >= vsi->num_txq)
3965 goto set_complete;
3966
3967 if (ice_set_q_coalesce(vsi, ec, q_num: v_idx))
3968 return -EINVAL;
3969
3970 ice_set_q_vector_intrl(q_vector: vsi->q_vectors[v_idx]);
3971 }
3972 goto set_complete;
3973 }
3974
3975 if (ice_set_q_coalesce(vsi, ec, q_num))
3976 return -EINVAL;
3977
3978 ice_set_q_vector_intrl(q_vector: vsi->q_vectors[q_num]);
3979
3980set_complete:
3981 return 0;
3982}
3983
3984static int ice_set_coalesce(struct net_device *netdev,
3985 struct ethtool_coalesce *ec,
3986 struct kernel_ethtool_coalesce *kernel_coal,
3987 struct netlink_ext_ack *extack)
3988{
3989 return __ice_set_coalesce(netdev, ec, q_num: -1);
3990}
3991
3992static int
3993ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num,
3994 struct ethtool_coalesce *ec)
3995{
3996 return __ice_set_coalesce(netdev, ec, q_num);
3997}
3998
3999static void
4000ice_repr_get_drvinfo(struct net_device *netdev,
4001 struct ethtool_drvinfo *drvinfo)
4002{
4003 struct ice_repr *repr = ice_netdev_to_repr(netdev);
4004
4005 if (ice_check_vf_ready_for_cfg(vf: repr->vf))
4006 return;
4007
4008 __ice_get_drvinfo(netdev, drvinfo, vsi: repr->src_vsi);
4009}
4010
4011static void
4012ice_repr_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
4013{
4014 struct ice_repr *repr = ice_netdev_to_repr(netdev);
4015
4016 /* for port representors only ETH_SS_STATS is supported */
4017 if (ice_check_vf_ready_for_cfg(vf: repr->vf) ||
4018 stringset != ETH_SS_STATS)
4019 return;
4020
4021 __ice_get_strings(netdev, stringset, data, vsi: repr->src_vsi);
4022}
4023
4024static void
4025ice_repr_get_ethtool_stats(struct net_device *netdev,
4026 struct ethtool_stats __always_unused *stats,
4027 u64 *data)
4028{
4029 struct ice_repr *repr = ice_netdev_to_repr(netdev);
4030
4031 if (ice_check_vf_ready_for_cfg(vf: repr->vf))
4032 return;
4033
4034 __ice_get_ethtool_stats(netdev, stats, data, vsi: repr->src_vsi);
4035}
4036
4037static int ice_repr_get_sset_count(struct net_device *netdev, int sset)
4038{
4039 switch (sset) {
4040 case ETH_SS_STATS:
4041 return ICE_VSI_STATS_LEN;
4042 default:
4043 return -EOPNOTSUPP;
4044 }
4045}
4046
4047#define ICE_I2C_EEPROM_DEV_ADDR 0xA0
4048#define ICE_I2C_EEPROM_DEV_ADDR2 0xA2
4049#define ICE_MODULE_TYPE_SFP 0x03
4050#define ICE_MODULE_TYPE_QSFP_PLUS 0x0D
4051#define ICE_MODULE_TYPE_QSFP28 0x11
4052#define ICE_MODULE_SFF_ADDR_MODE 0x04
4053#define ICE_MODULE_SFF_DIAG_CAPAB 0x40
4054#define ICE_MODULE_REVISION_ADDR 0x01
4055#define ICE_MODULE_SFF_8472_COMP 0x5E
4056#define ICE_MODULE_SFF_8472_SWAP 0x5C
4057#define ICE_MODULE_QSFP_MAX_LEN 640
4058
4059/**
4060 * ice_get_module_info - get SFF module type and revision information
4061 * @netdev: network interface device structure
4062 * @modinfo: module EEPROM size and layout information structure
4063 */
4064static int
4065ice_get_module_info(struct net_device *netdev,
4066 struct ethtool_modinfo *modinfo)
4067{
4068 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
4069 struct ice_vsi *vsi = np->vsi;
4070 struct ice_pf *pf = vsi->back;
4071 struct ice_hw *hw = &pf->hw;
4072 u8 sff8472_comp = 0;
4073 u8 sff8472_swap = 0;
4074 u8 sff8636_rev = 0;
4075 u8 value = 0;
4076 int status;
4077
4078 status = ice_aq_sff_eeprom(hw, lport: 0, ICE_I2C_EEPROM_DEV_ADDR, mem_addr: 0x00, page: 0x00,
4079 set_page: 0, data: &value, length: 1, write: 0, NULL);
4080 if (status)
4081 return status;
4082
4083 switch (value) {
4084 case ICE_MODULE_TYPE_SFP:
4085 status = ice_aq_sff_eeprom(hw, lport: 0, ICE_I2C_EEPROM_DEV_ADDR,
4086 ICE_MODULE_SFF_8472_COMP, page: 0x00, set_page: 0,
4087 data: &sff8472_comp, length: 1, write: 0, NULL);
4088 if (status)
4089 return status;
4090 status = ice_aq_sff_eeprom(hw, lport: 0, ICE_I2C_EEPROM_DEV_ADDR,
4091 ICE_MODULE_SFF_8472_SWAP, page: 0x00, set_page: 0,
4092 data: &sff8472_swap, length: 1, write: 0, NULL);
4093 if (status)
4094 return status;
4095
4096 if (sff8472_swap & ICE_MODULE_SFF_ADDR_MODE) {
4097 modinfo->type = ETH_MODULE_SFF_8079;
4098 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
4099 } else if (sff8472_comp &&
4100 (sff8472_swap & ICE_MODULE_SFF_DIAG_CAPAB)) {
4101 modinfo->type = ETH_MODULE_SFF_8472;
4102 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
4103 } else {
4104 modinfo->type = ETH_MODULE_SFF_8079;
4105 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
4106 }
4107 break;
4108 case ICE_MODULE_TYPE_QSFP_PLUS:
4109 case ICE_MODULE_TYPE_QSFP28:
4110 status = ice_aq_sff_eeprom(hw, lport: 0, ICE_I2C_EEPROM_DEV_ADDR,
4111 ICE_MODULE_REVISION_ADDR, page: 0x00, set_page: 0,
4112 data: &sff8636_rev, length: 1, write: 0, NULL);
4113 if (status)
4114 return status;
4115 /* Check revision compliance */
4116 if (sff8636_rev > 0x02) {
4117 /* Module is SFF-8636 compliant */
4118 modinfo->type = ETH_MODULE_SFF_8636;
4119 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN;
4120 } else {
4121 modinfo->type = ETH_MODULE_SFF_8436;
4122 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN;
4123 }
4124 break;
4125 default:
4126 netdev_warn(dev: netdev, format: "SFF Module Type not recognized.\n");
4127 return -EINVAL;
4128 }
4129 return 0;
4130}
4131
4132/**
4133 * ice_get_module_eeprom - fill buffer with SFF EEPROM contents
4134 * @netdev: network interface device structure
4135 * @ee: EEPROM dump request structure
4136 * @data: buffer to be filled with EEPROM contents
4137 */
4138static int
4139ice_get_module_eeprom(struct net_device *netdev,
4140 struct ethtool_eeprom *ee, u8 *data)
4141{
4142 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
4143#define SFF_READ_BLOCK_SIZE 8
4144 u8 value[SFF_READ_BLOCK_SIZE] = { 0 };
4145 u8 addr = ICE_I2C_EEPROM_DEV_ADDR;
4146 struct ice_vsi *vsi = np->vsi;
4147 struct ice_pf *pf = vsi->back;
4148 struct ice_hw *hw = &pf->hw;
4149 bool is_sfp = false;
4150 unsigned int i, j;
4151 u16 offset = 0;
4152 u8 page = 0;
4153 int status;
4154
4155 if (!ee || !ee->len || !data)
4156 return -EINVAL;
4157
4158 status = ice_aq_sff_eeprom(hw, lport: 0, bus_addr: addr, mem_addr: offset, page, set_page: 0, data: value, length: 1, write: 0,
4159 NULL);
4160 if (status)
4161 return status;
4162
4163 if (value[0] == ICE_MODULE_TYPE_SFP)
4164 is_sfp = true;
4165
4166 memset(data, 0, ee->len);
4167 for (i = 0; i < ee->len; i += SFF_READ_BLOCK_SIZE) {
4168 offset = i + ee->offset;
4169 page = 0;
4170
4171 /* Check if we need to access the other memory page */
4172 if (is_sfp) {
4173 if (offset >= ETH_MODULE_SFF_8079_LEN) {
4174 offset -= ETH_MODULE_SFF_8079_LEN;
4175 addr = ICE_I2C_EEPROM_DEV_ADDR2;
4176 }
4177 } else {
4178 while (offset >= ETH_MODULE_SFF_8436_LEN) {
4179 /* Compute memory page number and offset. */
4180 offset -= ETH_MODULE_SFF_8436_LEN / 2;
4181 page++;
4182 }
4183 }
4184
4185 /* Bit 2 of EEPROM address 0x02 declares upper
4186 * pages are disabled on QSFP modules.
4187 * SFP modules only ever use page 0.
4188 */
4189 if (page == 0 || !(data[0x2] & 0x4)) {
4190 u32 copy_len;
4191
4192 /* If i2c bus is busy due to slow page change or
4193 * link management access, call can fail. This is normal.
4194 * So we retry this a few times.
4195 */
4196 for (j = 0; j < 4; j++) {
4197 status = ice_aq_sff_eeprom(hw, lport: 0, bus_addr: addr, mem_addr: offset, page,
4198 set_page: !is_sfp, data: value,
4199 SFF_READ_BLOCK_SIZE,
4200 write: 0, NULL);
4201 netdev_dbg(netdev, "SFF %02X %02X %02X %X = %02X%02X%02X%02X.%02X%02X%02X%02X (%X)\n",
4202 addr, offset, page, is_sfp,
4203 value[0], value[1], value[2], value[3],
4204 value[4], value[5], value[6], value[7],
4205 status);
4206 if (status) {
4207 usleep_range(min: 1500, max: 2500);
4208 memset(value, 0, SFF_READ_BLOCK_SIZE);
4209 continue;
4210 }
4211 break;
4212 }
4213
4214 /* Make sure we have enough room for the new block */
4215 copy_len = min_t(u32, SFF_READ_BLOCK_SIZE, ee->len - i);
4216 memcpy(data + i, value, copy_len);
4217 }
4218 }
4219 return 0;
4220}
4221
4222static const struct ethtool_ops ice_ethtool_ops = {
4223 .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
4224 ETHTOOL_COALESCE_USE_ADAPTIVE |
4225 ETHTOOL_COALESCE_RX_USECS_HIGH,
4226 .get_link_ksettings = ice_get_link_ksettings,
4227 .set_link_ksettings = ice_set_link_ksettings,
4228 .get_drvinfo = ice_get_drvinfo,
4229 .get_regs_len = ice_get_regs_len,
4230 .get_regs = ice_get_regs,
4231 .get_wol = ice_get_wol,
4232 .set_wol = ice_set_wol,
4233 .get_msglevel = ice_get_msglevel,
4234 .set_msglevel = ice_set_msglevel,
4235 .self_test = ice_self_test,
4236 .get_link = ethtool_op_get_link,
4237 .get_eeprom_len = ice_get_eeprom_len,
4238 .get_eeprom = ice_get_eeprom,
4239 .get_coalesce = ice_get_coalesce,
4240 .set_coalesce = ice_set_coalesce,
4241 .get_strings = ice_get_strings,
4242 .set_phys_id = ice_set_phys_id,
4243 .get_ethtool_stats = ice_get_ethtool_stats,
4244 .get_priv_flags = ice_get_priv_flags,
4245 .set_priv_flags = ice_set_priv_flags,
4246 .get_sset_count = ice_get_sset_count,
4247 .get_rxnfc = ice_get_rxnfc,
4248 .set_rxnfc = ice_set_rxnfc,
4249 .get_ringparam = ice_get_ringparam,
4250 .set_ringparam = ice_set_ringparam,
4251 .nway_reset = ice_nway_reset,
4252 .get_pauseparam = ice_get_pauseparam,
4253 .set_pauseparam = ice_set_pauseparam,
4254 .get_rxfh_key_size = ice_get_rxfh_key_size,
4255 .get_rxfh_indir_size = ice_get_rxfh_indir_size,
4256 .get_rxfh_context = ice_get_rxfh_context,
4257 .get_rxfh = ice_get_rxfh,
4258 .set_rxfh = ice_set_rxfh,
4259 .get_channels = ice_get_channels,
4260 .set_channels = ice_set_channels,
4261 .get_ts_info = ice_get_ts_info,
4262 .get_per_queue_coalesce = ice_get_per_q_coalesce,
4263 .set_per_queue_coalesce = ice_set_per_q_coalesce,
4264 .get_fecparam = ice_get_fecparam,
4265 .set_fecparam = ice_set_fecparam,
4266 .get_module_info = ice_get_module_info,
4267 .get_module_eeprom = ice_get_module_eeprom,
4268};
4269
4270static const struct ethtool_ops ice_ethtool_safe_mode_ops = {
4271 .get_link_ksettings = ice_get_link_ksettings,
4272 .set_link_ksettings = ice_set_link_ksettings,
4273 .get_drvinfo = ice_get_drvinfo,
4274 .get_regs_len = ice_get_regs_len,
4275 .get_regs = ice_get_regs,
4276 .get_wol = ice_get_wol,
4277 .set_wol = ice_set_wol,
4278 .get_msglevel = ice_get_msglevel,
4279 .set_msglevel = ice_set_msglevel,
4280 .get_link = ethtool_op_get_link,
4281 .get_eeprom_len = ice_get_eeprom_len,
4282 .get_eeprom = ice_get_eeprom,
4283 .get_strings = ice_get_strings,
4284 .get_ethtool_stats = ice_get_ethtool_stats,
4285 .get_sset_count = ice_get_sset_count,
4286 .get_ringparam = ice_get_ringparam,
4287 .set_ringparam = ice_set_ringparam,
4288 .nway_reset = ice_nway_reset,
4289 .get_channels = ice_get_channels,
4290};
4291
4292/**
4293 * ice_set_ethtool_safe_mode_ops - setup safe mode ethtool ops
4294 * @netdev: network interface device structure
4295 */
4296void ice_set_ethtool_safe_mode_ops(struct net_device *netdev)
4297{
4298 netdev->ethtool_ops = &ice_ethtool_safe_mode_ops;
4299}
4300
4301static const struct ethtool_ops ice_ethtool_repr_ops = {
4302 .get_drvinfo = ice_repr_get_drvinfo,
4303 .get_link = ethtool_op_get_link,
4304 .get_strings = ice_repr_get_strings,
4305 .get_ethtool_stats = ice_repr_get_ethtool_stats,
4306 .get_sset_count = ice_repr_get_sset_count,
4307};
4308
4309/**
4310 * ice_set_ethtool_repr_ops - setup VF's port representor ethtool ops
4311 * @netdev: network interface device structure
4312 */
4313void ice_set_ethtool_repr_ops(struct net_device *netdev)
4314{
4315 netdev->ethtool_ops = &ice_ethtool_repr_ops;
4316}
4317
4318/**
4319 * ice_set_ethtool_ops - setup netdev ethtool ops
4320 * @netdev: network interface device structure
4321 *
4322 * setup netdev ethtool ops with ice specific ops
4323 */
4324void ice_set_ethtool_ops(struct net_device *netdev)
4325{
4326 netdev->ethtool_ops = &ice_ethtool_ops;
4327}
4328

source code of linux/drivers/net/ethernet/intel/ice/ice_ethtool.c