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86641094 | 1 | /* Intel(R) Ethernet Switch Host Interface Driver |
9de6a1a6 | 2 | * Copyright(c) 2013 - 2016 Intel Corporation. |
82dd0f7e AD |
3 | * |
4 | * This program is free software; you can redistribute it and/or modify it | |
5 | * under the terms and conditions of the GNU General Public License, | |
6 | * version 2, as published by the Free Software Foundation. | |
7 | * | |
8 | * This program is distributed in the hope it will be useful, but WITHOUT | |
9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
11 | * more details. | |
12 | * | |
13 | * The full GNU General Public License is included in this distribution in | |
14 | * the file called "COPYING". | |
15 | * | |
16 | * Contact Information: | |
17 | * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> | |
18 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 | |
19 | */ | |
20 | ||
eb51bbaf SR |
21 | #include <linux/vmalloc.h> |
22 | ||
82dd0f7e AD |
23 | #include "fm10k.h" |
24 | ||
25 | struct fm10k_stats { | |
26 | char stat_string[ETH_GSTRING_LEN]; | |
27 | int sizeof_stat; | |
28 | int stat_offset; | |
29 | }; | |
30 | ||
31 | #define FM10K_NETDEV_STAT(_net_stat) { \ | |
32 | .stat_string = #_net_stat, \ | |
33 | .sizeof_stat = FIELD_SIZEOF(struct net_device_stats, _net_stat), \ | |
34 | .stat_offset = offsetof(struct net_device_stats, _net_stat) \ | |
35 | } | |
36 | ||
37 | static const struct fm10k_stats fm10k_gstrings_net_stats[] = { | |
38 | FM10K_NETDEV_STAT(tx_packets), | |
39 | FM10K_NETDEV_STAT(tx_bytes), | |
40 | FM10K_NETDEV_STAT(tx_errors), | |
41 | FM10K_NETDEV_STAT(rx_packets), | |
42 | FM10K_NETDEV_STAT(rx_bytes), | |
43 | FM10K_NETDEV_STAT(rx_errors), | |
44 | FM10K_NETDEV_STAT(rx_dropped), | |
45 | ||
46 | /* detailed Rx errors */ | |
47 | FM10K_NETDEV_STAT(rx_length_errors), | |
48 | FM10K_NETDEV_STAT(rx_crc_errors), | |
49 | FM10K_NETDEV_STAT(rx_fifo_errors), | |
50 | }; | |
51 | ||
52 | #define FM10K_NETDEV_STATS_LEN ARRAY_SIZE(fm10k_gstrings_net_stats) | |
53 | ||
54 | #define FM10K_STAT(_name, _stat) { \ | |
55 | .stat_string = _name, \ | |
56 | .sizeof_stat = FIELD_SIZEOF(struct fm10k_intfc, _stat), \ | |
57 | .stat_offset = offsetof(struct fm10k_intfc, _stat) \ | |
58 | } | |
59 | ||
fbdb159f | 60 | static const struct fm10k_stats fm10k_gstrings_global_stats[] = { |
82dd0f7e AD |
61 | FM10K_STAT("tx_restart_queue", restart_queue), |
62 | FM10K_STAT("tx_busy", tx_busy), | |
63 | FM10K_STAT("tx_csum_errors", tx_csum_errors), | |
64 | FM10K_STAT("rx_alloc_failed", alloc_failed), | |
65 | FM10K_STAT("rx_csum_errors", rx_csum_errors), | |
82dd0f7e AD |
66 | |
67 | FM10K_STAT("tx_packets_nic", tx_packets_nic), | |
68 | FM10K_STAT("tx_bytes_nic", tx_bytes_nic), | |
69 | FM10K_STAT("rx_packets_nic", rx_packets_nic), | |
70 | FM10K_STAT("rx_bytes_nic", rx_bytes_nic), | |
71 | FM10K_STAT("rx_drops_nic", rx_drops_nic), | |
72 | FM10K_STAT("rx_overrun_pf", rx_overrun_pf), | |
73 | FM10K_STAT("rx_overrun_vf", rx_overrun_vf), | |
74 | ||
82dd0f7e AD |
75 | FM10K_STAT("swapi_status", hw.swapi.status), |
76 | FM10K_STAT("mac_rules_used", hw.swapi.mac.used), | |
77 | FM10K_STAT("mac_rules_avail", hw.swapi.mac.avail), | |
78 | ||
ce33624f JK |
79 | FM10K_STAT("reset_while_pending", hw.mac.reset_while_pending), |
80 | ||
e05546ec | 81 | FM10K_STAT("tx_hang_count", tx_timeout_count), |
82dd0f7e AD |
82 | }; |
83 | ||
fbdb159f JK |
84 | static const struct fm10k_stats fm10k_gstrings_pf_stats[] = { |
85 | FM10K_STAT("timeout", stats.timeout.count), | |
86 | FM10K_STAT("ur", stats.ur.count), | |
87 | FM10K_STAT("ca", stats.ca.count), | |
88 | FM10K_STAT("um", stats.um.count), | |
89 | FM10K_STAT("xec", stats.xec.count), | |
90 | FM10K_STAT("vlan_drop", stats.vlan_drop.count), | |
91 | FM10K_STAT("loopback_drop", stats.loopback_drop.count), | |
92 | FM10K_STAT("nodesc_drop", stats.nodesc_drop.count), | |
93 | }; | |
94 | ||
80043f3b JK |
95 | #define FM10K_MBX_STAT(_name, _stat) { \ |
96 | .stat_string = _name, \ | |
97 | .sizeof_stat = FIELD_SIZEOF(struct fm10k_mbx_info, _stat), \ | |
98 | .stat_offset = offsetof(struct fm10k_mbx_info, _stat) \ | |
99 | } | |
100 | ||
101 | static const struct fm10k_stats fm10k_gstrings_mbx_stats[] = { | |
102 | FM10K_MBX_STAT("mbx_tx_busy", tx_busy), | |
5680ea69 | 103 | FM10K_MBX_STAT("mbx_tx_dropped", tx_dropped), |
80043f3b JK |
104 | FM10K_MBX_STAT("mbx_tx_messages", tx_messages), |
105 | FM10K_MBX_STAT("mbx_tx_dwords", tx_dwords), | |
17d39fac | 106 | FM10K_MBX_STAT("mbx_tx_mbmem_pulled", tx_mbmem_pulled), |
80043f3b JK |
107 | FM10K_MBX_STAT("mbx_rx_messages", rx_messages), |
108 | FM10K_MBX_STAT("mbx_rx_dwords", rx_dwords), | |
109 | FM10K_MBX_STAT("mbx_rx_parse_err", rx_parse_err), | |
17d39fac | 110 | FM10K_MBX_STAT("mbx_rx_mbmem_pushed", rx_mbmem_pushed), |
80043f3b JK |
111 | }; |
112 | ||
09401ae2 JK |
113 | #define FM10K_QUEUE_STAT(_name, _stat) { \ |
114 | .stat_string = _name, \ | |
115 | .sizeof_stat = FIELD_SIZEOF(struct fm10k_ring, _stat), \ | |
116 | .stat_offset = offsetof(struct fm10k_ring, _stat) \ | |
117 | } | |
118 | ||
119 | static const struct fm10k_stats fm10k_gstrings_queue_stats[] = { | |
120 | FM10K_QUEUE_STAT("packets", stats.packets), | |
121 | FM10K_QUEUE_STAT("bytes", stats.bytes), | |
122 | }; | |
123 | ||
fbdb159f JK |
124 | #define FM10K_GLOBAL_STATS_LEN ARRAY_SIZE(fm10k_gstrings_global_stats) |
125 | #define FM10K_PF_STATS_LEN ARRAY_SIZE(fm10k_gstrings_pf_stats) | |
80043f3b | 126 | #define FM10K_MBX_STATS_LEN ARRAY_SIZE(fm10k_gstrings_mbx_stats) |
09401ae2 | 127 | #define FM10K_QUEUE_STATS_LEN ARRAY_SIZE(fm10k_gstrings_queue_stats) |
82dd0f7e | 128 | |
c0e61781 | 129 | #define FM10K_STATIC_STATS_LEN (FM10K_GLOBAL_STATS_LEN + \ |
80043f3b JK |
130 | FM10K_NETDEV_STATS_LEN + \ |
131 | FM10K_MBX_STATS_LEN) | |
82dd0f7e | 132 | |
5cb8db4a AD |
133 | static const char fm10k_gstrings_test[][ETH_GSTRING_LEN] = { |
134 | "Mailbox test (on/offline)" | |
135 | }; | |
136 | ||
137 | #define FM10K_TEST_LEN (sizeof(fm10k_gstrings_test) / ETH_GSTRING_LEN) | |
138 | ||
139 | enum fm10k_self_test_types { | |
140 | FM10K_TEST_MBX, | |
141 | FM10K_TEST_MAX = FM10K_TEST_LEN | |
142 | }; | |
143 | ||
80043f3b | 144 | enum { |
80043f3b JK |
145 | FM10K_PRV_FLAG_LEN, |
146 | }; | |
147 | ||
148 | static const char fm10k_prv_flags[FM10K_PRV_FLAG_LEN][ETH_GSTRING_LEN] = { | |
80043f3b JK |
149 | }; |
150 | ||
d2e0721b JK |
151 | static void fm10k_add_stat_strings(char **p, const char *prefix, |
152 | const struct fm10k_stats stats[], | |
153 | const unsigned int size) | |
154 | { | |
155 | unsigned int i; | |
156 | ||
157 | for (i = 0; i < size; i++) { | |
158 | snprintf(*p, ETH_GSTRING_LEN, "%s%s", | |
159 | prefix, stats[i].stat_string); | |
160 | *p += ETH_GSTRING_LEN; | |
161 | } | |
162 | } | |
163 | ||
80043f3b | 164 | static void fm10k_get_stat_strings(struct net_device *dev, u8 *data) |
82dd0f7e | 165 | { |
29a928ee | 166 | struct fm10k_intfc *interface = netdev_priv(dev); |
82dd0f7e | 167 | char *p = (char *)data; |
c0e58e93 | 168 | unsigned int i; |
82dd0f7e | 169 | |
d2e0721b JK |
170 | fm10k_add_stat_strings(&p, "", fm10k_gstrings_net_stats, |
171 | FM10K_NETDEV_STATS_LEN); | |
80043f3b | 172 | |
d2e0721b JK |
173 | fm10k_add_stat_strings(&p, "", fm10k_gstrings_global_stats, |
174 | FM10K_GLOBAL_STATS_LEN); | |
80043f3b | 175 | |
d2e0721b JK |
176 | fm10k_add_stat_strings(&p, "", fm10k_gstrings_mbx_stats, |
177 | FM10K_MBX_STATS_LEN); | |
80043f3b | 178 | |
d2e0721b JK |
179 | if (interface->hw.mac.type != fm10k_mac_vf) |
180 | fm10k_add_stat_strings(&p, "", fm10k_gstrings_pf_stats, | |
181 | FM10K_PF_STATS_LEN); | |
82dd0f7e | 182 | |
80043f3b | 183 | for (i = 0; i < interface->hw.mac.max_queues; i++) { |
09401ae2 JK |
184 | char prefix[ETH_GSTRING_LEN]; |
185 | ||
186 | snprintf(prefix, ETH_GSTRING_LEN, "tx_queue_%u_", i); | |
187 | fm10k_add_stat_strings(&p, prefix, | |
188 | fm10k_gstrings_queue_stats, | |
189 | FM10K_QUEUE_STATS_LEN); | |
190 | ||
191 | snprintf(prefix, ETH_GSTRING_LEN, "rx_queue_%u_", i); | |
192 | fm10k_add_stat_strings(&p, prefix, | |
193 | fm10k_gstrings_queue_stats, | |
194 | FM10K_QUEUE_STATS_LEN); | |
80043f3b JK |
195 | } |
196 | } | |
197 | ||
198 | static void fm10k_get_strings(struct net_device *dev, | |
199 | u32 stringset, u8 *data) | |
200 | { | |
201 | char *p = (char *)data; | |
202 | ||
203 | switch (stringset) { | |
204 | case ETH_SS_TEST: | |
205 | memcpy(data, *fm10k_gstrings_test, | |
206 | FM10K_TEST_LEN * ETH_GSTRING_LEN); | |
207 | break; | |
208 | case ETH_SS_STATS: | |
209 | fm10k_get_stat_strings(dev, data); | |
210 | break; | |
211 | case ETH_SS_PRIV_FLAGS: | |
212 | memcpy(p, fm10k_prv_flags, | |
213 | FM10K_PRV_FLAG_LEN * ETH_GSTRING_LEN); | |
82dd0f7e AD |
214 | break; |
215 | } | |
216 | } | |
217 | ||
218 | static int fm10k_get_sset_count(struct net_device *dev, int sset) | |
219 | { | |
c0e61781 JK |
220 | struct fm10k_intfc *interface = netdev_priv(dev); |
221 | struct fm10k_hw *hw = &interface->hw; | |
222 | int stats_len = FM10K_STATIC_STATS_LEN; | |
223 | ||
82dd0f7e | 224 | switch (sset) { |
5cb8db4a AD |
225 | case ETH_SS_TEST: |
226 | return FM10K_TEST_LEN; | |
82dd0f7e | 227 | case ETH_SS_STATS: |
09401ae2 | 228 | stats_len += hw->mac.max_queues * 2 * FM10K_QUEUE_STATS_LEN; |
fbdb159f JK |
229 | |
230 | if (hw->mac.type != fm10k_mac_vf) | |
231 | stats_len += FM10K_PF_STATS_LEN; | |
232 | ||
c0e61781 | 233 | return stats_len; |
80043f3b JK |
234 | case ETH_SS_PRIV_FLAGS: |
235 | return FM10K_PRV_FLAG_LEN; | |
82dd0f7e AD |
236 | default: |
237 | return -EOPNOTSUPP; | |
238 | } | |
239 | } | |
240 | ||
d2e0721b JK |
241 | static void fm10k_add_ethtool_stats(u64 **data, void *pointer, |
242 | const struct fm10k_stats stats[], | |
243 | const unsigned int size) | |
244 | { | |
245 | unsigned int i; | |
246 | char *p; | |
247 | ||
d2e0721b | 248 | if (!pointer) { |
09401ae2 JK |
249 | /* memory is not zero allocated so we have to clear it */ |
250 | for (i = 0; i < size; i++) | |
251 | *((*data)++) = 0; | |
d2e0721b JK |
252 | return; |
253 | } | |
254 | ||
255 | for (i = 0; i < size; i++) { | |
256 | p = (char *)pointer + stats[i].stat_offset; | |
257 | ||
258 | switch (stats[i].sizeof_stat) { | |
259 | case sizeof(u64): | |
260 | *((*data)++) = *(u64 *)p; | |
261 | break; | |
262 | case sizeof(u32): | |
263 | *((*data)++) = *(u32 *)p; | |
264 | break; | |
265 | case sizeof(u16): | |
266 | *((*data)++) = *(u16 *)p; | |
267 | break; | |
268 | case sizeof(u8): | |
269 | *((*data)++) = *(u8 *)p; | |
270 | break; | |
271 | default: | |
272 | *((*data)++) = 0; | |
273 | } | |
274 | } | |
275 | } | |
276 | ||
82dd0f7e | 277 | static void fm10k_get_ethtool_stats(struct net_device *netdev, |
de445199 JK |
278 | struct ethtool_stats __always_unused *stats, |
279 | u64 *data) | |
82dd0f7e | 280 | { |
82dd0f7e AD |
281 | struct fm10k_intfc *interface = netdev_priv(netdev); |
282 | struct net_device_stats *net_stats = &netdev->stats; | |
09401ae2 | 283 | int i; |
82dd0f7e AD |
284 | |
285 | fm10k_update_stats(interface); | |
286 | ||
d2e0721b JK |
287 | fm10k_add_ethtool_stats(&data, net_stats, fm10k_gstrings_net_stats, |
288 | FM10K_NETDEV_STATS_LEN); | |
82dd0f7e | 289 | |
d2e0721b JK |
290 | fm10k_add_ethtool_stats(&data, interface, fm10k_gstrings_global_stats, |
291 | FM10K_GLOBAL_STATS_LEN); | |
82dd0f7e | 292 | |
d2e0721b JK |
293 | fm10k_add_ethtool_stats(&data, &interface->hw.mbx, |
294 | fm10k_gstrings_mbx_stats, | |
295 | FM10K_MBX_STATS_LEN); | |
80043f3b JK |
296 | |
297 | if (interface->hw.mac.type != fm10k_mac_vf) { | |
d2e0721b JK |
298 | fm10k_add_ethtool_stats(&data, interface, |
299 | fm10k_gstrings_pf_stats, | |
300 | FM10K_PF_STATS_LEN); | |
80043f3b JK |
301 | } |
302 | ||
29a928ee | 303 | for (i = 0; i < interface->hw.mac.max_queues; i++) { |
82dd0f7e | 304 | struct fm10k_ring *ring; |
82dd0f7e AD |
305 | |
306 | ring = interface->tx_ring[i]; | |
09401ae2 JK |
307 | fm10k_add_ethtool_stats(&data, ring, |
308 | fm10k_gstrings_queue_stats, | |
309 | FM10K_QUEUE_STATS_LEN); | |
82dd0f7e AD |
310 | |
311 | ring = interface->rx_ring[i]; | |
09401ae2 JK |
312 | fm10k_add_ethtool_stats(&data, ring, |
313 | fm10k_gstrings_queue_stats, | |
314 | FM10K_QUEUE_STATS_LEN); | |
82dd0f7e AD |
315 | } |
316 | } | |
317 | ||
318 | /* If function below adds more registers this define needs to be updated */ | |
319 | #define FM10K_REGS_LEN_Q 29 | |
320 | ||
321 | static void fm10k_get_reg_q(struct fm10k_hw *hw, u32 *buff, int i) | |
322 | { | |
323 | int idx = 0; | |
324 | ||
325 | buff[idx++] = fm10k_read_reg(hw, FM10K_RDBAL(i)); | |
326 | buff[idx++] = fm10k_read_reg(hw, FM10K_RDBAH(i)); | |
327 | buff[idx++] = fm10k_read_reg(hw, FM10K_RDLEN(i)); | |
328 | buff[idx++] = fm10k_read_reg(hw, FM10K_TPH_RXCTRL(i)); | |
329 | buff[idx++] = fm10k_read_reg(hw, FM10K_RDH(i)); | |
330 | buff[idx++] = fm10k_read_reg(hw, FM10K_RDT(i)); | |
331 | buff[idx++] = fm10k_read_reg(hw, FM10K_RXQCTL(i)); | |
332 | buff[idx++] = fm10k_read_reg(hw, FM10K_RXDCTL(i)); | |
333 | buff[idx++] = fm10k_read_reg(hw, FM10K_RXINT(i)); | |
334 | buff[idx++] = fm10k_read_reg(hw, FM10K_SRRCTL(i)); | |
335 | buff[idx++] = fm10k_read_reg(hw, FM10K_QPRC(i)); | |
336 | buff[idx++] = fm10k_read_reg(hw, FM10K_QPRDC(i)); | |
337 | buff[idx++] = fm10k_read_reg(hw, FM10K_QBRC_L(i)); | |
338 | buff[idx++] = fm10k_read_reg(hw, FM10K_QBRC_H(i)); | |
339 | buff[idx++] = fm10k_read_reg(hw, FM10K_TDBAL(i)); | |
340 | buff[idx++] = fm10k_read_reg(hw, FM10K_TDBAH(i)); | |
341 | buff[idx++] = fm10k_read_reg(hw, FM10K_TDLEN(i)); | |
342 | buff[idx++] = fm10k_read_reg(hw, FM10K_TPH_TXCTRL(i)); | |
343 | buff[idx++] = fm10k_read_reg(hw, FM10K_TDH(i)); | |
344 | buff[idx++] = fm10k_read_reg(hw, FM10K_TDT(i)); | |
345 | buff[idx++] = fm10k_read_reg(hw, FM10K_TXDCTL(i)); | |
346 | buff[idx++] = fm10k_read_reg(hw, FM10K_TXQCTL(i)); | |
347 | buff[idx++] = fm10k_read_reg(hw, FM10K_TXINT(i)); | |
348 | buff[idx++] = fm10k_read_reg(hw, FM10K_QPTC(i)); | |
349 | buff[idx++] = fm10k_read_reg(hw, FM10K_QBTC_L(i)); | |
350 | buff[idx++] = fm10k_read_reg(hw, FM10K_QBTC_H(i)); | |
351 | buff[idx++] = fm10k_read_reg(hw, FM10K_TQDLOC(i)); | |
352 | buff[idx++] = fm10k_read_reg(hw, FM10K_TX_SGLORT(i)); | |
353 | buff[idx++] = fm10k_read_reg(hw, FM10K_PFVTCTL(i)); | |
354 | ||
355 | BUG_ON(idx != FM10K_REGS_LEN_Q); | |
356 | } | |
357 | ||
358 | /* If function above adds more registers this define needs to be updated */ | |
359 | #define FM10K_REGS_LEN_VSI 43 | |
360 | ||
361 | static void fm10k_get_reg_vsi(struct fm10k_hw *hw, u32 *buff, int i) | |
362 | { | |
363 | int idx = 0, j; | |
364 | ||
365 | buff[idx++] = fm10k_read_reg(hw, FM10K_MRQC(i)); | |
366 | for (j = 0; j < 10; j++) | |
367 | buff[idx++] = fm10k_read_reg(hw, FM10K_RSSRK(i, j)); | |
368 | for (j = 0; j < 32; j++) | |
369 | buff[idx++] = fm10k_read_reg(hw, FM10K_RETA(i, j)); | |
370 | ||
371 | BUG_ON(idx != FM10K_REGS_LEN_VSI); | |
372 | } | |
373 | ||
374 | static void fm10k_get_regs(struct net_device *netdev, | |
375 | struct ethtool_regs *regs, void *p) | |
376 | { | |
377 | struct fm10k_intfc *interface = netdev_priv(netdev); | |
378 | struct fm10k_hw *hw = &interface->hw; | |
379 | u32 *buff = p; | |
380 | u16 i; | |
381 | ||
fcdb0a99 | 382 | regs->version = BIT(24) | (hw->revision_id << 16) | hw->device_id; |
82dd0f7e AD |
383 | |
384 | switch (hw->mac.type) { | |
385 | case fm10k_mac_pf: | |
386 | /* General PF Registers */ | |
387 | *(buff++) = fm10k_read_reg(hw, FM10K_CTRL); | |
388 | *(buff++) = fm10k_read_reg(hw, FM10K_CTRL_EXT); | |
389 | *(buff++) = fm10k_read_reg(hw, FM10K_GCR); | |
390 | *(buff++) = fm10k_read_reg(hw, FM10K_GCR_EXT); | |
391 | ||
392 | for (i = 0; i < 8; i++) { | |
393 | *(buff++) = fm10k_read_reg(hw, FM10K_DGLORTMAP(i)); | |
394 | *(buff++) = fm10k_read_reg(hw, FM10K_DGLORTDEC(i)); | |
395 | } | |
396 | ||
397 | for (i = 0; i < 65; i++) { | |
398 | fm10k_get_reg_vsi(hw, buff, i); | |
399 | buff += FM10K_REGS_LEN_VSI; | |
400 | } | |
401 | ||
402 | *(buff++) = fm10k_read_reg(hw, FM10K_DMA_CTRL); | |
403 | *(buff++) = fm10k_read_reg(hw, FM10K_DMA_CTRL2); | |
404 | ||
405 | for (i = 0; i < FM10K_MAX_QUEUES_PF; i++) { | |
406 | fm10k_get_reg_q(hw, buff, i); | |
407 | buff += FM10K_REGS_LEN_Q; | |
408 | } | |
409 | ||
410 | *(buff++) = fm10k_read_reg(hw, FM10K_TPH_CTRL); | |
411 | ||
412 | for (i = 0; i < 8; i++) | |
413 | *(buff++) = fm10k_read_reg(hw, FM10K_INT_MAP(i)); | |
414 | ||
415 | /* Interrupt Throttling Registers */ | |
416 | for (i = 0; i < 130; i++) | |
417 | *(buff++) = fm10k_read_reg(hw, FM10K_ITR(i)); | |
418 | ||
5cb8db4a AD |
419 | break; |
420 | case fm10k_mac_vf: | |
421 | /* General VF registers */ | |
422 | *(buff++) = fm10k_read_reg(hw, FM10K_VFCTRL); | |
423 | *(buff++) = fm10k_read_reg(hw, FM10K_VFINT_MAP); | |
424 | *(buff++) = fm10k_read_reg(hw, FM10K_VFSYSTIME); | |
425 | ||
426 | /* Interrupt Throttling Registers */ | |
427 | for (i = 0; i < 8; i++) | |
428 | *(buff++) = fm10k_read_reg(hw, FM10K_VFITR(i)); | |
429 | ||
430 | fm10k_get_reg_vsi(hw, buff, 0); | |
431 | buff += FM10K_REGS_LEN_VSI; | |
432 | ||
433 | for (i = 0; i < FM10K_MAX_QUEUES_POOL; i++) { | |
434 | if (i < hw->mac.max_queues) | |
435 | fm10k_get_reg_q(hw, buff, i); | |
436 | else | |
437 | memset(buff, 0, sizeof(u32) * FM10K_REGS_LEN_Q); | |
438 | buff += FM10K_REGS_LEN_Q; | |
439 | } | |
440 | ||
82dd0f7e AD |
441 | break; |
442 | default: | |
443 | return; | |
444 | } | |
445 | } | |
446 | ||
447 | /* If function above adds more registers these define need to be updated */ | |
448 | #define FM10K_REGS_LEN_PF \ | |
449 | (162 + (65 * FM10K_REGS_LEN_VSI) + (FM10K_MAX_QUEUES_PF * FM10K_REGS_LEN_Q)) | |
5cb8db4a AD |
450 | #define FM10K_REGS_LEN_VF \ |
451 | (11 + FM10K_REGS_LEN_VSI + (FM10K_MAX_QUEUES_POOL * FM10K_REGS_LEN_Q)) | |
82dd0f7e AD |
452 | |
453 | static int fm10k_get_regs_len(struct net_device *netdev) | |
454 | { | |
455 | struct fm10k_intfc *interface = netdev_priv(netdev); | |
456 | struct fm10k_hw *hw = &interface->hw; | |
457 | ||
458 | switch (hw->mac.type) { | |
459 | case fm10k_mac_pf: | |
460 | return FM10K_REGS_LEN_PF * sizeof(u32); | |
5cb8db4a AD |
461 | case fm10k_mac_vf: |
462 | return FM10K_REGS_LEN_VF * sizeof(u32); | |
82dd0f7e AD |
463 | default: |
464 | return 0; | |
465 | } | |
466 | } | |
467 | ||
468 | static void fm10k_get_drvinfo(struct net_device *dev, | |
469 | struct ethtool_drvinfo *info) | |
470 | { | |
471 | struct fm10k_intfc *interface = netdev_priv(dev); | |
472 | ||
473 | strncpy(info->driver, fm10k_driver_name, | |
474 | sizeof(info->driver) - 1); | |
475 | strncpy(info->version, fm10k_driver_version, | |
476 | sizeof(info->version) - 1); | |
477 | strncpy(info->bus_info, pci_name(interface->pdev), | |
478 | sizeof(info->bus_info) - 1); | |
82dd0f7e AD |
479 | } |
480 | ||
481 | static void fm10k_get_pauseparam(struct net_device *dev, | |
482 | struct ethtool_pauseparam *pause) | |
483 | { | |
484 | struct fm10k_intfc *interface = netdev_priv(dev); | |
485 | ||
486 | /* record fixed values for autoneg and tx pause */ | |
487 | pause->autoneg = 0; | |
488 | pause->tx_pause = 1; | |
489 | ||
490 | pause->rx_pause = interface->rx_pause ? 1 : 0; | |
491 | } | |
492 | ||
493 | static int fm10k_set_pauseparam(struct net_device *dev, | |
494 | struct ethtool_pauseparam *pause) | |
495 | { | |
496 | struct fm10k_intfc *interface = netdev_priv(dev); | |
497 | struct fm10k_hw *hw = &interface->hw; | |
498 | ||
499 | if (pause->autoneg || !pause->tx_pause) | |
500 | return -EINVAL; | |
501 | ||
502 | /* we can only support pause on the PF to avoid head-of-line blocking */ | |
503 | if (hw->mac.type == fm10k_mac_pf) | |
504 | interface->rx_pause = pause->rx_pause ? ~0 : 0; | |
505 | else if (pause->rx_pause) | |
506 | return -EINVAL; | |
507 | ||
508 | if (netif_running(dev)) | |
509 | fm10k_update_rx_drop_en(interface); | |
510 | ||
511 | return 0; | |
512 | } | |
513 | ||
514 | static u32 fm10k_get_msglevel(struct net_device *netdev) | |
515 | { | |
516 | struct fm10k_intfc *interface = netdev_priv(netdev); | |
517 | ||
518 | return interface->msg_enable; | |
519 | } | |
520 | ||
521 | static void fm10k_set_msglevel(struct net_device *netdev, u32 data) | |
522 | { | |
523 | struct fm10k_intfc *interface = netdev_priv(netdev); | |
524 | ||
525 | interface->msg_enable = data; | |
526 | } | |
527 | ||
528 | static void fm10k_get_ringparam(struct net_device *netdev, | |
529 | struct ethtool_ringparam *ring) | |
530 | { | |
531 | struct fm10k_intfc *interface = netdev_priv(netdev); | |
532 | ||
533 | ring->rx_max_pending = FM10K_MAX_RXD; | |
534 | ring->tx_max_pending = FM10K_MAX_TXD; | |
535 | ring->rx_mini_max_pending = 0; | |
536 | ring->rx_jumbo_max_pending = 0; | |
537 | ring->rx_pending = interface->rx_ring_count; | |
538 | ring->tx_pending = interface->tx_ring_count; | |
539 | ring->rx_mini_pending = 0; | |
540 | ring->rx_jumbo_pending = 0; | |
541 | } | |
542 | ||
543 | static int fm10k_set_ringparam(struct net_device *netdev, | |
544 | struct ethtool_ringparam *ring) | |
545 | { | |
546 | struct fm10k_intfc *interface = netdev_priv(netdev); | |
547 | struct fm10k_ring *temp_ring; | |
548 | int i, err = 0; | |
549 | u32 new_rx_count, new_tx_count; | |
550 | ||
551 | if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) | |
552 | return -EINVAL; | |
553 | ||
554 | new_tx_count = clamp_t(u32, ring->tx_pending, | |
555 | FM10K_MIN_TXD, FM10K_MAX_TXD); | |
556 | new_tx_count = ALIGN(new_tx_count, FM10K_REQ_TX_DESCRIPTOR_MULTIPLE); | |
557 | ||
558 | new_rx_count = clamp_t(u32, ring->rx_pending, | |
559 | FM10K_MIN_RXD, FM10K_MAX_RXD); | |
560 | new_rx_count = ALIGN(new_rx_count, FM10K_REQ_RX_DESCRIPTOR_MULTIPLE); | |
561 | ||
562 | if ((new_tx_count == interface->tx_ring_count) && | |
563 | (new_rx_count == interface->rx_ring_count)) { | |
564 | /* nothing to do */ | |
565 | return 0; | |
566 | } | |
567 | ||
568 | while (test_and_set_bit(__FM10K_RESETTING, &interface->state)) | |
569 | usleep_range(1000, 2000); | |
570 | ||
571 | if (!netif_running(interface->netdev)) { | |
572 | for (i = 0; i < interface->num_tx_queues; i++) | |
573 | interface->tx_ring[i]->count = new_tx_count; | |
574 | for (i = 0; i < interface->num_rx_queues; i++) | |
575 | interface->rx_ring[i]->count = new_rx_count; | |
576 | interface->tx_ring_count = new_tx_count; | |
577 | interface->rx_ring_count = new_rx_count; | |
578 | goto clear_reset; | |
579 | } | |
580 | ||
581 | /* allocate temporary buffer to store rings in */ | |
582 | i = max_t(int, interface->num_tx_queues, interface->num_rx_queues); | |
583 | temp_ring = vmalloc(i * sizeof(struct fm10k_ring)); | |
584 | ||
585 | if (!temp_ring) { | |
586 | err = -ENOMEM; | |
587 | goto clear_reset; | |
588 | } | |
589 | ||
590 | fm10k_down(interface); | |
591 | ||
592 | /* Setup new Tx resources and free the old Tx resources in that order. | |
593 | * We can then assign the new resources to the rings via a memcpy. | |
594 | * The advantage to this approach is that we are guaranteed to still | |
595 | * have resources even in the case of an allocation failure. | |
596 | */ | |
597 | if (new_tx_count != interface->tx_ring_count) { | |
598 | for (i = 0; i < interface->num_tx_queues; i++) { | |
599 | memcpy(&temp_ring[i], interface->tx_ring[i], | |
600 | sizeof(struct fm10k_ring)); | |
601 | ||
602 | temp_ring[i].count = new_tx_count; | |
603 | err = fm10k_setup_tx_resources(&temp_ring[i]); | |
604 | if (err) { | |
605 | while (i) { | |
606 | i--; | |
607 | fm10k_free_tx_resources(&temp_ring[i]); | |
608 | } | |
609 | goto err_setup; | |
610 | } | |
611 | } | |
612 | ||
613 | for (i = 0; i < interface->num_tx_queues; i++) { | |
614 | fm10k_free_tx_resources(interface->tx_ring[i]); | |
615 | ||
616 | memcpy(interface->tx_ring[i], &temp_ring[i], | |
617 | sizeof(struct fm10k_ring)); | |
618 | } | |
619 | ||
620 | interface->tx_ring_count = new_tx_count; | |
621 | } | |
622 | ||
623 | /* Repeat the process for the Rx rings if needed */ | |
624 | if (new_rx_count != interface->rx_ring_count) { | |
625 | for (i = 0; i < interface->num_rx_queues; i++) { | |
626 | memcpy(&temp_ring[i], interface->rx_ring[i], | |
627 | sizeof(struct fm10k_ring)); | |
628 | ||
629 | temp_ring[i].count = new_rx_count; | |
630 | err = fm10k_setup_rx_resources(&temp_ring[i]); | |
631 | if (err) { | |
632 | while (i) { | |
633 | i--; | |
634 | fm10k_free_rx_resources(&temp_ring[i]); | |
635 | } | |
636 | goto err_setup; | |
637 | } | |
638 | } | |
639 | ||
640 | for (i = 0; i < interface->num_rx_queues; i++) { | |
641 | fm10k_free_rx_resources(interface->rx_ring[i]); | |
642 | ||
643 | memcpy(interface->rx_ring[i], &temp_ring[i], | |
644 | sizeof(struct fm10k_ring)); | |
645 | } | |
646 | ||
647 | interface->rx_ring_count = new_rx_count; | |
648 | } | |
649 | ||
650 | err_setup: | |
651 | fm10k_up(interface); | |
652 | vfree(temp_ring); | |
653 | clear_reset: | |
654 | clear_bit(__FM10K_RESETTING, &interface->state); | |
655 | return err; | |
656 | } | |
657 | ||
658 | static int fm10k_get_coalesce(struct net_device *dev, | |
659 | struct ethtool_coalesce *ec) | |
660 | { | |
661 | struct fm10k_intfc *interface = netdev_priv(dev); | |
662 | ||
584373f5 | 663 | ec->use_adaptive_tx_coalesce = ITR_IS_ADAPTIVE(interface->tx_itr); |
82dd0f7e AD |
664 | ec->tx_coalesce_usecs = interface->tx_itr & ~FM10K_ITR_ADAPTIVE; |
665 | ||
584373f5 | 666 | ec->use_adaptive_rx_coalesce = ITR_IS_ADAPTIVE(interface->rx_itr); |
82dd0f7e AD |
667 | ec->rx_coalesce_usecs = interface->rx_itr & ~FM10K_ITR_ADAPTIVE; |
668 | ||
669 | return 0; | |
670 | } | |
671 | ||
672 | static int fm10k_set_coalesce(struct net_device *dev, | |
673 | struct ethtool_coalesce *ec) | |
674 | { | |
675 | struct fm10k_intfc *interface = netdev_priv(dev); | |
676 | struct fm10k_q_vector *qv; | |
677 | u16 tx_itr, rx_itr; | |
678 | int i; | |
679 | ||
680 | /* verify limits */ | |
681 | if ((ec->rx_coalesce_usecs > FM10K_ITR_MAX) || | |
682 | (ec->tx_coalesce_usecs > FM10K_ITR_MAX)) | |
683 | return -EINVAL; | |
684 | ||
685 | /* record settings */ | |
686 | tx_itr = ec->tx_coalesce_usecs; | |
687 | rx_itr = ec->rx_coalesce_usecs; | |
688 | ||
689 | /* set initial values for adaptive ITR */ | |
690 | if (ec->use_adaptive_tx_coalesce) | |
436ea956 | 691 | tx_itr = FM10K_ITR_ADAPTIVE | FM10K_TX_ITR_DEFAULT; |
82dd0f7e AD |
692 | |
693 | if (ec->use_adaptive_rx_coalesce) | |
436ea956 | 694 | rx_itr = FM10K_ITR_ADAPTIVE | FM10K_RX_ITR_DEFAULT; |
82dd0f7e AD |
695 | |
696 | /* update interface */ | |
697 | interface->tx_itr = tx_itr; | |
698 | interface->rx_itr = rx_itr; | |
699 | ||
700 | /* update q_vectors */ | |
701 | for (i = 0; i < interface->num_q_vectors; i++) { | |
702 | qv = interface->q_vector[i]; | |
703 | qv->tx.itr = tx_itr; | |
704 | qv->rx.itr = rx_itr; | |
705 | } | |
706 | ||
707 | return 0; | |
708 | } | |
709 | ||
710 | static int fm10k_get_rss_hash_opts(struct fm10k_intfc *interface, | |
711 | struct ethtool_rxnfc *cmd) | |
712 | { | |
713 | cmd->data = 0; | |
714 | ||
715 | /* Report default options for RSS on fm10k */ | |
716 | switch (cmd->flow_type) { | |
717 | case TCP_V4_FLOW: | |
718 | case TCP_V6_FLOW: | |
719 | cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; | |
720 | /* fall through */ | |
721 | case UDP_V4_FLOW: | |
722 | if (interface->flags & FM10K_FLAG_RSS_FIELD_IPV4_UDP) | |
723 | cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; | |
724 | /* fall through */ | |
725 | case SCTP_V4_FLOW: | |
726 | case SCTP_V6_FLOW: | |
727 | case AH_ESP_V4_FLOW: | |
728 | case AH_ESP_V6_FLOW: | |
729 | case AH_V4_FLOW: | |
730 | case AH_V6_FLOW: | |
731 | case ESP_V4_FLOW: | |
732 | case ESP_V6_FLOW: | |
733 | case IPV4_FLOW: | |
734 | case IPV6_FLOW: | |
735 | cmd->data |= RXH_IP_SRC | RXH_IP_DST; | |
736 | break; | |
737 | case UDP_V6_FLOW: | |
738 | if (interface->flags & FM10K_FLAG_RSS_FIELD_IPV6_UDP) | |
739 | cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; | |
740 | cmd->data |= RXH_IP_SRC | RXH_IP_DST; | |
741 | break; | |
742 | default: | |
743 | return -EINVAL; | |
744 | } | |
745 | ||
746 | return 0; | |
747 | } | |
748 | ||
749 | static int fm10k_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd, | |
de445199 | 750 | u32 __always_unused *rule_locs) |
82dd0f7e AD |
751 | { |
752 | struct fm10k_intfc *interface = netdev_priv(dev); | |
753 | int ret = -EOPNOTSUPP; | |
754 | ||
755 | switch (cmd->cmd) { | |
756 | case ETHTOOL_GRXRINGS: | |
757 | cmd->data = interface->num_rx_queues; | |
758 | ret = 0; | |
759 | break; | |
760 | case ETHTOOL_GRXFH: | |
761 | ret = fm10k_get_rss_hash_opts(interface, cmd); | |
762 | break; | |
763 | default: | |
764 | break; | |
765 | } | |
766 | ||
767 | return ret; | |
768 | } | |
769 | ||
770 | #define UDP_RSS_FLAGS (FM10K_FLAG_RSS_FIELD_IPV4_UDP | \ | |
771 | FM10K_FLAG_RSS_FIELD_IPV6_UDP) | |
772 | static int fm10k_set_rss_hash_opt(struct fm10k_intfc *interface, | |
773 | struct ethtool_rxnfc *nfc) | |
774 | { | |
775 | u32 flags = interface->flags; | |
776 | ||
777 | /* RSS does not support anything other than hashing | |
778 | * to queues on src and dst IPs and ports | |
779 | */ | |
780 | if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST | | |
781 | RXH_L4_B_0_1 | RXH_L4_B_2_3)) | |
782 | return -EINVAL; | |
783 | ||
784 | switch (nfc->flow_type) { | |
785 | case TCP_V4_FLOW: | |
786 | case TCP_V6_FLOW: | |
787 | if (!(nfc->data & RXH_IP_SRC) || | |
788 | !(nfc->data & RXH_IP_DST) || | |
789 | !(nfc->data & RXH_L4_B_0_1) || | |
790 | !(nfc->data & RXH_L4_B_2_3)) | |
791 | return -EINVAL; | |
792 | break; | |
793 | case UDP_V4_FLOW: | |
794 | if (!(nfc->data & RXH_IP_SRC) || | |
795 | !(nfc->data & RXH_IP_DST)) | |
796 | return -EINVAL; | |
797 | switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { | |
798 | case 0: | |
799 | flags &= ~FM10K_FLAG_RSS_FIELD_IPV4_UDP; | |
800 | break; | |
801 | case (RXH_L4_B_0_1 | RXH_L4_B_2_3): | |
802 | flags |= FM10K_FLAG_RSS_FIELD_IPV4_UDP; | |
803 | break; | |
804 | default: | |
805 | return -EINVAL; | |
806 | } | |
807 | break; | |
808 | case UDP_V6_FLOW: | |
809 | if (!(nfc->data & RXH_IP_SRC) || | |
810 | !(nfc->data & RXH_IP_DST)) | |
811 | return -EINVAL; | |
812 | switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { | |
813 | case 0: | |
814 | flags &= ~FM10K_FLAG_RSS_FIELD_IPV6_UDP; | |
815 | break; | |
816 | case (RXH_L4_B_0_1 | RXH_L4_B_2_3): | |
817 | flags |= FM10K_FLAG_RSS_FIELD_IPV6_UDP; | |
818 | break; | |
819 | default: | |
820 | return -EINVAL; | |
821 | } | |
822 | break; | |
823 | case AH_ESP_V4_FLOW: | |
824 | case AH_V4_FLOW: | |
825 | case ESP_V4_FLOW: | |
826 | case SCTP_V4_FLOW: | |
827 | case AH_ESP_V6_FLOW: | |
828 | case AH_V6_FLOW: | |
829 | case ESP_V6_FLOW: | |
830 | case SCTP_V6_FLOW: | |
831 | if (!(nfc->data & RXH_IP_SRC) || | |
832 | !(nfc->data & RXH_IP_DST) || | |
833 | (nfc->data & RXH_L4_B_0_1) || | |
834 | (nfc->data & RXH_L4_B_2_3)) | |
835 | return -EINVAL; | |
836 | break; | |
837 | default: | |
838 | return -EINVAL; | |
839 | } | |
840 | ||
841 | /* if we changed something we need to update flags */ | |
842 | if (flags != interface->flags) { | |
843 | struct fm10k_hw *hw = &interface->hw; | |
844 | u32 mrqc; | |
845 | ||
846 | if ((flags & UDP_RSS_FLAGS) && | |
847 | !(interface->flags & UDP_RSS_FLAGS)) | |
848 | netif_warn(interface, drv, interface->netdev, | |
849 | "enabling UDP RSS: fragmented packets may arrive out of order to the stack above\n"); | |
850 | ||
851 | interface->flags = flags; | |
852 | ||
853 | /* Perform hash on these packet types */ | |
854 | mrqc = FM10K_MRQC_IPV4 | | |
855 | FM10K_MRQC_TCP_IPV4 | | |
856 | FM10K_MRQC_IPV6 | | |
857 | FM10K_MRQC_TCP_IPV6; | |
858 | ||
859 | if (flags & FM10K_FLAG_RSS_FIELD_IPV4_UDP) | |
860 | mrqc |= FM10K_MRQC_UDP_IPV4; | |
861 | if (flags & FM10K_FLAG_RSS_FIELD_IPV6_UDP) | |
862 | mrqc |= FM10K_MRQC_UDP_IPV6; | |
863 | ||
864 | fm10k_write_reg(hw, FM10K_MRQC(0), mrqc); | |
865 | } | |
866 | ||
867 | return 0; | |
868 | } | |
869 | ||
870 | static int fm10k_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd) | |
871 | { | |
872 | struct fm10k_intfc *interface = netdev_priv(dev); | |
873 | int ret = -EOPNOTSUPP; | |
874 | ||
875 | switch (cmd->cmd) { | |
876 | case ETHTOOL_SRXFH: | |
877 | ret = fm10k_set_rss_hash_opt(interface, cmd); | |
878 | break; | |
879 | default: | |
880 | break; | |
881 | } | |
882 | ||
883 | return ret; | |
884 | } | |
885 | ||
5cb8db4a AD |
886 | static int fm10k_mbx_test(struct fm10k_intfc *interface, u64 *data) |
887 | { | |
888 | struct fm10k_hw *hw = &interface->hw; | |
889 | struct fm10k_mbx_info *mbx = &hw->mbx; | |
890 | u32 attr_flag, test_msg[6]; | |
891 | unsigned long timeout; | |
c4114e3d | 892 | int err = -EINVAL; |
5cb8db4a AD |
893 | |
894 | /* For now this is a VF only feature */ | |
895 | if (hw->mac.type != fm10k_mac_vf) | |
896 | return 0; | |
897 | ||
898 | /* loop through both nested and unnested attribute types */ | |
fcdb0a99 BA |
899 | for (attr_flag = BIT(FM10K_TEST_MSG_UNSET); |
900 | attr_flag < BIT(2 * FM10K_TEST_MSG_NESTED); | |
5cb8db4a AD |
901 | attr_flag += attr_flag) { |
902 | /* generate message to be tested */ | |
903 | fm10k_tlv_msg_test_create(test_msg, attr_flag); | |
904 | ||
905 | fm10k_mbx_lock(interface); | |
906 | mbx->test_result = FM10K_NOT_IMPLEMENTED; | |
907 | err = mbx->ops.enqueue_tx(hw, mbx, test_msg); | |
908 | fm10k_mbx_unlock(interface); | |
909 | ||
910 | /* wait up to 1 second for response */ | |
911 | timeout = jiffies + HZ; | |
912 | do { | |
913 | if (err < 0) | |
914 | goto err_out; | |
915 | ||
916 | usleep_range(500, 1000); | |
917 | ||
918 | fm10k_mbx_lock(interface); | |
919 | mbx->ops.process(hw, mbx); | |
920 | fm10k_mbx_unlock(interface); | |
921 | ||
922 | err = mbx->test_result; | |
923 | if (!err) | |
924 | break; | |
925 | } while (time_is_after_jiffies(timeout)); | |
926 | ||
927 | /* reporting errors */ | |
928 | if (err) | |
929 | goto err_out; | |
930 | } | |
931 | ||
932 | err_out: | |
933 | *data = err < 0 ? (attr_flag) : (err > 0); | |
934 | return err; | |
935 | } | |
936 | ||
937 | static void fm10k_self_test(struct net_device *dev, | |
938 | struct ethtool_test *eth_test, u64 *data) | |
939 | { | |
940 | struct fm10k_intfc *interface = netdev_priv(dev); | |
941 | struct fm10k_hw *hw = &interface->hw; | |
942 | ||
943 | memset(data, 0, sizeof(*data) * FM10K_TEST_LEN); | |
944 | ||
945 | if (FM10K_REMOVED(hw)) { | |
946 | netif_err(interface, drv, dev, | |
947 | "Interface removed - test blocked\n"); | |
948 | eth_test->flags |= ETH_TEST_FL_FAILED; | |
949 | return; | |
950 | } | |
951 | ||
952 | if (fm10k_mbx_test(interface, &data[FM10K_TEST_MBX])) | |
953 | eth_test->flags |= ETH_TEST_FL_FAILED; | |
954 | } | |
955 | ||
80043f3b JK |
956 | static u32 fm10k_get_priv_flags(struct net_device *netdev) |
957 | { | |
3ef2f563 | 958 | return 0; |
80043f3b JK |
959 | } |
960 | ||
961 | static int fm10k_set_priv_flags(struct net_device *netdev, u32 priv_flags) | |
962 | { | |
fcdb0a99 | 963 | if (priv_flags >= BIT(FM10K_PRV_FLAG_LEN)) |
80043f3b JK |
964 | return -EINVAL; |
965 | ||
80043f3b JK |
966 | return 0; |
967 | } | |
968 | ||
0ea7fae4 | 969 | u32 fm10k_get_reta_size(struct net_device __always_unused *netdev) |
82dd0f7e AD |
970 | { |
971 | return FM10K_RETA_SIZE * FM10K_RETA_ENTRIES_PER_REG; | |
972 | } | |
973 | ||
0ea7fae4 JK |
974 | void fm10k_write_reta(struct fm10k_intfc *interface, const u32 *indir) |
975 | { | |
540a5d85 | 976 | u16 rss_i = interface->ring_feature[RING_F_RSS].indices; |
0ea7fae4 | 977 | struct fm10k_hw *hw = &interface->hw; |
540a5d85 JK |
978 | u32 table[4]; |
979 | int i, j; | |
0ea7fae4 JK |
980 | |
981 | /* record entries to reta table */ | |
540a5d85 JK |
982 | for (i = 0; i < FM10K_RETA_SIZE; i++) { |
983 | u32 reta, n; | |
984 | ||
985 | /* generate a new table if we weren't given one */ | |
986 | for (j = 0; j < 4; j++) { | |
987 | if (indir) | |
34875887 | 988 | n = indir[4 * i + j]; |
540a5d85 | 989 | else |
34875887 JK |
990 | n = ethtool_rxfh_indir_default(4 * i + j, |
991 | rss_i); | |
540a5d85 JK |
992 | |
993 | table[j] = n; | |
994 | } | |
995 | ||
996 | reta = table[0] | | |
997 | (table[1] << 8) | | |
998 | (table[2] << 16) | | |
999 | (table[3] << 24); | |
0ea7fae4 JK |
1000 | |
1001 | if (interface->reta[i] == reta) | |
1002 | continue; | |
1003 | ||
1004 | interface->reta[i] = reta; | |
1005 | fm10k_write_reg(hw, FM10K_RETA(0, i), reta); | |
1006 | } | |
1007 | } | |
1008 | ||
82dd0f7e AD |
1009 | static int fm10k_get_reta(struct net_device *netdev, u32 *indir) |
1010 | { | |
1011 | struct fm10k_intfc *interface = netdev_priv(netdev); | |
1012 | int i; | |
1013 | ||
1014 | if (!indir) | |
1015 | return 0; | |
1016 | ||
1017 | for (i = 0; i < FM10K_RETA_SIZE; i++, indir += 4) { | |
1018 | u32 reta = interface->reta[i]; | |
1019 | ||
1020 | indir[0] = (reta << 24) >> 24; | |
1021 | indir[1] = (reta << 16) >> 24; | |
1022 | indir[2] = (reta << 8) >> 24; | |
1023 | indir[3] = (reta) >> 24; | |
1024 | } | |
1025 | ||
1026 | return 0; | |
1027 | } | |
1028 | ||
1029 | static int fm10k_set_reta(struct net_device *netdev, const u32 *indir) | |
1030 | { | |
1031 | struct fm10k_intfc *interface = netdev_priv(netdev); | |
82dd0f7e AD |
1032 | int i; |
1033 | u16 rss_i; | |
1034 | ||
1035 | if (!indir) | |
1036 | return 0; | |
1037 | ||
1038 | /* Verify user input. */ | |
1039 | rss_i = interface->ring_feature[RING_F_RSS].indices; | |
1040 | for (i = fm10k_get_reta_size(netdev); i--;) { | |
1041 | if (indir[i] < rss_i) | |
1042 | continue; | |
1043 | return -EINVAL; | |
1044 | } | |
1045 | ||
0ea7fae4 | 1046 | fm10k_write_reta(interface, indir); |
82dd0f7e AD |
1047 | |
1048 | return 0; | |
1049 | } | |
1050 | ||
de445199 | 1051 | static u32 fm10k_get_rssrk_size(struct net_device __always_unused *netdev) |
82dd0f7e AD |
1052 | { |
1053 | return FM10K_RSSRK_SIZE * FM10K_RSSRK_ENTRIES_PER_REG; | |
1054 | } | |
1055 | ||
892311f6 EP |
1056 | static int fm10k_get_rssh(struct net_device *netdev, u32 *indir, u8 *key, |
1057 | u8 *hfunc) | |
82dd0f7e AD |
1058 | { |
1059 | struct fm10k_intfc *interface = netdev_priv(netdev); | |
1060 | int i, err; | |
1061 | ||
892311f6 EP |
1062 | if (hfunc) |
1063 | *hfunc = ETH_RSS_HASH_TOP; | |
1064 | ||
82dd0f7e AD |
1065 | err = fm10k_get_reta(netdev, indir); |
1066 | if (err || !key) | |
1067 | return err; | |
1068 | ||
1069 | for (i = 0; i < FM10K_RSSRK_SIZE; i++, key += 4) | |
1070 | *(__le32 *)key = cpu_to_le32(interface->rssrk[i]); | |
1071 | ||
1072 | return 0; | |
1073 | } | |
1074 | ||
1075 | static int fm10k_set_rssh(struct net_device *netdev, const u32 *indir, | |
892311f6 | 1076 | const u8 *key, const u8 hfunc) |
82dd0f7e AD |
1077 | { |
1078 | struct fm10k_intfc *interface = netdev_priv(netdev); | |
1079 | struct fm10k_hw *hw = &interface->hw; | |
1080 | int i, err; | |
1081 | ||
892311f6 EP |
1082 | /* We do not allow change in unsupported parameters */ |
1083 | if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) | |
1084 | return -EOPNOTSUPP; | |
1085 | ||
82dd0f7e AD |
1086 | err = fm10k_set_reta(netdev, indir); |
1087 | if (err || !key) | |
1088 | return err; | |
1089 | ||
1090 | for (i = 0; i < FM10K_RSSRK_SIZE; i++, key += 4) { | |
1091 | u32 rssrk = le32_to_cpu(*(__le32 *)key); | |
1092 | ||
1093 | if (interface->rssrk[i] == rssrk) | |
1094 | continue; | |
1095 | ||
1096 | interface->rssrk[i] = rssrk; | |
1097 | fm10k_write_reg(hw, FM10K_RSSRK(0, i), rssrk); | |
1098 | } | |
1099 | ||
1100 | return 0; | |
1101 | } | |
1102 | ||
aa3ac822 AD |
1103 | static unsigned int fm10k_max_channels(struct net_device *dev) |
1104 | { | |
1105 | struct fm10k_intfc *interface = netdev_priv(dev); | |
1106 | unsigned int max_combined = interface->hw.mac.max_queues; | |
1107 | u8 tcs = netdev_get_num_tc(dev); | |
1108 | ||
1109 | /* For QoS report channels per traffic class */ | |
1110 | if (tcs > 1) | |
fcdb0a99 | 1111 | max_combined = BIT((fls(max_combined / tcs) - 1)); |
aa3ac822 AD |
1112 | |
1113 | return max_combined; | |
1114 | } | |
1115 | ||
1116 | static void fm10k_get_channels(struct net_device *dev, | |
1117 | struct ethtool_channels *ch) | |
1118 | { | |
1119 | struct fm10k_intfc *interface = netdev_priv(dev); | |
1120 | struct fm10k_hw *hw = &interface->hw; | |
1121 | ||
1122 | /* report maximum channels */ | |
1123 | ch->max_combined = fm10k_max_channels(dev); | |
1124 | ||
1125 | /* report info for other vector */ | |
1126 | ch->max_other = NON_Q_VECTORS(hw); | |
1127 | ch->other_count = ch->max_other; | |
1128 | ||
1129 | /* record RSS queues */ | |
1130 | ch->combined_count = interface->ring_feature[RING_F_RSS].indices; | |
1131 | } | |
1132 | ||
1133 | static int fm10k_set_channels(struct net_device *dev, | |
1134 | struct ethtool_channels *ch) | |
1135 | { | |
1136 | struct fm10k_intfc *interface = netdev_priv(dev); | |
1137 | unsigned int count = ch->combined_count; | |
1138 | struct fm10k_hw *hw = &interface->hw; | |
1139 | ||
1140 | /* verify they are not requesting separate vectors */ | |
1141 | if (!count || ch->rx_count || ch->tx_count) | |
1142 | return -EINVAL; | |
1143 | ||
1144 | /* verify other_count has not changed */ | |
1145 | if (ch->other_count != NON_Q_VECTORS(hw)) | |
1146 | return -EINVAL; | |
1147 | ||
1148 | /* verify the number of channels does not exceed hardware limits */ | |
1149 | if (count > fm10k_max_channels(dev)) | |
1150 | return -EINVAL; | |
1151 | ||
1152 | interface->ring_feature[RING_F_RSS].limit = count; | |
1153 | ||
1154 | /* use setup TC to update any traffic class queue mapping */ | |
1155 | return fm10k_setup_tc(dev, netdev_get_num_tc(dev)); | |
1156 | } | |
1157 | ||
82dd0f7e AD |
1158 | static const struct ethtool_ops fm10k_ethtool_ops = { |
1159 | .get_strings = fm10k_get_strings, | |
1160 | .get_sset_count = fm10k_get_sset_count, | |
1161 | .get_ethtool_stats = fm10k_get_ethtool_stats, | |
1162 | .get_drvinfo = fm10k_get_drvinfo, | |
1163 | .get_link = ethtool_op_get_link, | |
1164 | .get_pauseparam = fm10k_get_pauseparam, | |
1165 | .set_pauseparam = fm10k_set_pauseparam, | |
1166 | .get_msglevel = fm10k_get_msglevel, | |
1167 | .set_msglevel = fm10k_set_msglevel, | |
1168 | .get_ringparam = fm10k_get_ringparam, | |
1169 | .set_ringparam = fm10k_set_ringparam, | |
1170 | .get_coalesce = fm10k_get_coalesce, | |
1171 | .set_coalesce = fm10k_set_coalesce, | |
1172 | .get_rxnfc = fm10k_get_rxnfc, | |
1173 | .set_rxnfc = fm10k_set_rxnfc, | |
1174 | .get_regs = fm10k_get_regs, | |
1175 | .get_regs_len = fm10k_get_regs_len, | |
5cb8db4a | 1176 | .self_test = fm10k_self_test, |
80043f3b JK |
1177 | .get_priv_flags = fm10k_get_priv_flags, |
1178 | .set_priv_flags = fm10k_set_priv_flags, | |
82dd0f7e AD |
1179 | .get_rxfh_indir_size = fm10k_get_reta_size, |
1180 | .get_rxfh_key_size = fm10k_get_rssrk_size, | |
1181 | .get_rxfh = fm10k_get_rssh, | |
1182 | .set_rxfh = fm10k_set_rssh, | |
aa3ac822 AD |
1183 | .get_channels = fm10k_get_channels, |
1184 | .set_channels = fm10k_set_channels, | |
82dd0f7e AD |
1185 | }; |
1186 | ||
1187 | void fm10k_set_ethtool_ops(struct net_device *dev) | |
1188 | { | |
1189 | dev->ethtool_ops = &fm10k_ethtool_ops; | |
1190 | } |