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4863dea3 SG |
1 | /* |
2 | * Copyright (C) 2015 Cavium, Inc. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify it | |
5 | * under the terms of version 2 of the GNU General Public License | |
6 | * as published by the Free Software Foundation. | |
7 | */ | |
8 | ||
9 | /* ETHTOOL Support for VNIC_VF Device*/ | |
10 | ||
11 | #include <linux/pci.h> | |
12 | ||
13 | #include "nic_reg.h" | |
14 | #include "nic.h" | |
15 | #include "nicvf_queues.h" | |
16 | #include "q_struct.h" | |
17 | #include "thunder_bgx.h" | |
18 | ||
19 | #define DRV_NAME "thunder-nicvf" | |
20 | #define DRV_VERSION "1.0" | |
21 | ||
22 | struct nicvf_stat { | |
23 | char name[ETH_GSTRING_LEN]; | |
24 | unsigned int index; | |
25 | }; | |
26 | ||
27 | #define NICVF_HW_STAT(stat) { \ | |
28 | .name = #stat, \ | |
29 | .index = offsetof(struct nicvf_hw_stats, stat) / sizeof(u64), \ | |
30 | } | |
31 | ||
32 | #define NICVF_DRV_STAT(stat) { \ | |
33 | .name = #stat, \ | |
34 | .index = offsetof(struct nicvf_drv_stats, stat) / sizeof(u64), \ | |
35 | } | |
36 | ||
37 | static const struct nicvf_stat nicvf_hw_stats[] = { | |
a2dc5ded SG |
38 | NICVF_HW_STAT(rx_bytes), |
39 | NICVF_HW_STAT(rx_ucast_frames), | |
40 | NICVF_HW_STAT(rx_bcast_frames), | |
41 | NICVF_HW_STAT(rx_mcast_frames), | |
4863dea3 SG |
42 | NICVF_HW_STAT(rx_fcs_errors), |
43 | NICVF_HW_STAT(rx_l2_errors), | |
44 | NICVF_HW_STAT(rx_drop_red), | |
45 | NICVF_HW_STAT(rx_drop_red_bytes), | |
46 | NICVF_HW_STAT(rx_drop_overrun), | |
47 | NICVF_HW_STAT(rx_drop_overrun_bytes), | |
48 | NICVF_HW_STAT(rx_drop_bcast), | |
49 | NICVF_HW_STAT(rx_drop_mcast), | |
50 | NICVF_HW_STAT(rx_drop_l3_bcast), | |
51 | NICVF_HW_STAT(rx_drop_l3_mcast), | |
a2dc5ded SG |
52 | NICVF_HW_STAT(rx_bgx_truncated_pkts), |
53 | NICVF_HW_STAT(rx_jabber_errs), | |
54 | NICVF_HW_STAT(rx_fcs_errs), | |
55 | NICVF_HW_STAT(rx_bgx_errs), | |
56 | NICVF_HW_STAT(rx_prel2_errs), | |
57 | NICVF_HW_STAT(rx_l2_hdr_malformed), | |
58 | NICVF_HW_STAT(rx_oversize), | |
59 | NICVF_HW_STAT(rx_undersize), | |
60 | NICVF_HW_STAT(rx_l2_len_mismatch), | |
61 | NICVF_HW_STAT(rx_l2_pclp), | |
62 | NICVF_HW_STAT(rx_ip_ver_errs), | |
63 | NICVF_HW_STAT(rx_ip_csum_errs), | |
64 | NICVF_HW_STAT(rx_ip_hdr_malformed), | |
65 | NICVF_HW_STAT(rx_ip_payload_malformed), | |
66 | NICVF_HW_STAT(rx_ip_ttl_errs), | |
67 | NICVF_HW_STAT(rx_l3_pclp), | |
68 | NICVF_HW_STAT(rx_l4_malformed), | |
69 | NICVF_HW_STAT(rx_l4_csum_errs), | |
70 | NICVF_HW_STAT(rx_udp_len_errs), | |
71 | NICVF_HW_STAT(rx_l4_port_errs), | |
72 | NICVF_HW_STAT(rx_tcp_flag_errs), | |
73 | NICVF_HW_STAT(rx_tcp_offset_errs), | |
74 | NICVF_HW_STAT(rx_l4_pclp), | |
75 | NICVF_HW_STAT(rx_truncated_pkts), | |
4863dea3 SG |
76 | NICVF_HW_STAT(tx_bytes_ok), |
77 | NICVF_HW_STAT(tx_ucast_frames_ok), | |
78 | NICVF_HW_STAT(tx_bcast_frames_ok), | |
79 | NICVF_HW_STAT(tx_mcast_frames_ok), | |
80 | }; | |
81 | ||
82 | static const struct nicvf_stat nicvf_drv_stats[] = { | |
83 | NICVF_DRV_STAT(rx_frames_ok), | |
84 | NICVF_DRV_STAT(rx_frames_64), | |
85 | NICVF_DRV_STAT(rx_frames_127), | |
86 | NICVF_DRV_STAT(rx_frames_255), | |
87 | NICVF_DRV_STAT(rx_frames_511), | |
88 | NICVF_DRV_STAT(rx_frames_1023), | |
89 | NICVF_DRV_STAT(rx_frames_1518), | |
90 | NICVF_DRV_STAT(rx_frames_jumbo), | |
91 | NICVF_DRV_STAT(rx_drops), | |
a05d4845 | 92 | NICVF_DRV_STAT(rcv_buffer_alloc_failures), |
4863dea3 | 93 | NICVF_DRV_STAT(tx_frames_ok), |
4863dea3 SG |
94 | NICVF_DRV_STAT(tx_tso), |
95 | NICVF_DRV_STAT(tx_drops), | |
a05d4845 | 96 | NICVF_DRV_STAT(tx_timeout), |
74840b83 SG |
97 | NICVF_DRV_STAT(txq_stop), |
98 | NICVF_DRV_STAT(txq_wake), | |
4863dea3 SG |
99 | }; |
100 | ||
101 | static const struct nicvf_stat nicvf_queue_stats[] = { | |
102 | { "bytes", 0 }, | |
103 | { "frames", 1 }, | |
104 | }; | |
105 | ||
106 | static const unsigned int nicvf_n_hw_stats = ARRAY_SIZE(nicvf_hw_stats); | |
107 | static const unsigned int nicvf_n_drv_stats = ARRAY_SIZE(nicvf_drv_stats); | |
108 | static const unsigned int nicvf_n_queue_stats = ARRAY_SIZE(nicvf_queue_stats); | |
109 | ||
110 | static int nicvf_get_settings(struct net_device *netdev, | |
111 | struct ethtool_cmd *cmd) | |
112 | { | |
113 | struct nicvf *nic = netdev_priv(netdev); | |
114 | ||
115 | cmd->supported = 0; | |
116 | cmd->transceiver = XCVR_EXTERNAL; | |
0b72a9a1 SG |
117 | |
118 | if (!nic->link_up) { | |
119 | cmd->duplex = DUPLEX_UNKNOWN; | |
120 | ethtool_cmd_speed_set(cmd, SPEED_UNKNOWN); | |
121 | return 0; | |
122 | } | |
123 | ||
4863dea3 SG |
124 | if (nic->speed <= 1000) { |
125 | cmd->port = PORT_MII; | |
126 | cmd->autoneg = AUTONEG_ENABLE; | |
127 | } else { | |
128 | cmd->port = PORT_FIBRE; | |
129 | cmd->autoneg = AUTONEG_DISABLE; | |
130 | } | |
131 | cmd->duplex = nic->duplex; | |
132 | ethtool_cmd_speed_set(cmd, nic->speed); | |
133 | ||
134 | return 0; | |
135 | } | |
136 | ||
0b72a9a1 SG |
137 | static u32 nicvf_get_link(struct net_device *netdev) |
138 | { | |
139 | struct nicvf *nic = netdev_priv(netdev); | |
140 | ||
141 | return nic->link_up; | |
142 | } | |
143 | ||
4863dea3 SG |
144 | static void nicvf_get_drvinfo(struct net_device *netdev, |
145 | struct ethtool_drvinfo *info) | |
146 | { | |
147 | struct nicvf *nic = netdev_priv(netdev); | |
148 | ||
149 | strlcpy(info->driver, DRV_NAME, sizeof(info->driver)); | |
150 | strlcpy(info->version, DRV_VERSION, sizeof(info->version)); | |
151 | strlcpy(info->bus_info, pci_name(nic->pdev), sizeof(info->bus_info)); | |
152 | } | |
153 | ||
154 | static u32 nicvf_get_msglevel(struct net_device *netdev) | |
155 | { | |
156 | struct nicvf *nic = netdev_priv(netdev); | |
157 | ||
158 | return nic->msg_enable; | |
159 | } | |
160 | ||
161 | static void nicvf_set_msglevel(struct net_device *netdev, u32 lvl) | |
162 | { | |
163 | struct nicvf *nic = netdev_priv(netdev); | |
164 | ||
165 | nic->msg_enable = lvl; | |
166 | } | |
167 | ||
92dc8769 SG |
168 | static void nicvf_get_qset_strings(struct nicvf *nic, u8 **data, int qset) |
169 | { | |
170 | int stats, qidx; | |
171 | int start_qidx = qset * MAX_RCV_QUEUES_PER_QS; | |
172 | ||
173 | for (qidx = 0; qidx < nic->qs->rq_cnt; qidx++) { | |
174 | for (stats = 0; stats < nicvf_n_queue_stats; stats++) { | |
175 | sprintf(*data, "rxq%d: %s", qidx + start_qidx, | |
176 | nicvf_queue_stats[stats].name); | |
177 | *data += ETH_GSTRING_LEN; | |
178 | } | |
179 | } | |
180 | ||
181 | for (qidx = 0; qidx < nic->qs->sq_cnt; qidx++) { | |
182 | for (stats = 0; stats < nicvf_n_queue_stats; stats++) { | |
183 | sprintf(*data, "txq%d: %s", qidx + start_qidx, | |
184 | nicvf_queue_stats[stats].name); | |
185 | *data += ETH_GSTRING_LEN; | |
186 | } | |
187 | } | |
188 | } | |
189 | ||
4863dea3 SG |
190 | static void nicvf_get_strings(struct net_device *netdev, u32 sset, u8 *data) |
191 | { | |
c62cd3c4 | 192 | struct nicvf *nic = netdev_priv(netdev); |
92dc8769 SG |
193 | int stats; |
194 | int sqs; | |
4863dea3 SG |
195 | |
196 | if (sset != ETH_SS_STATS) | |
197 | return; | |
198 | ||
199 | for (stats = 0; stats < nicvf_n_hw_stats; stats++) { | |
200 | memcpy(data, nicvf_hw_stats[stats].name, ETH_GSTRING_LEN); | |
201 | data += ETH_GSTRING_LEN; | |
202 | } | |
203 | ||
204 | for (stats = 0; stats < nicvf_n_drv_stats; stats++) { | |
205 | memcpy(data, nicvf_drv_stats[stats].name, ETH_GSTRING_LEN); | |
206 | data += ETH_GSTRING_LEN; | |
207 | } | |
208 | ||
92dc8769 | 209 | nicvf_get_qset_strings(nic, &data, 0); |
4863dea3 | 210 | |
92dc8769 SG |
211 | for (sqs = 0; sqs < nic->sqs_count; sqs++) { |
212 | if (!nic->snicvf[sqs]) | |
213 | continue; | |
214 | nicvf_get_qset_strings(nic->snicvf[sqs], &data, sqs + 1); | |
4863dea3 SG |
215 | } |
216 | ||
217 | for (stats = 0; stats < BGX_RX_STATS_COUNT; stats++) { | |
218 | sprintf(data, "bgx_rxstat%d: ", stats); | |
219 | data += ETH_GSTRING_LEN; | |
220 | } | |
221 | ||
222 | for (stats = 0; stats < BGX_TX_STATS_COUNT; stats++) { | |
223 | sprintf(data, "bgx_txstat%d: ", stats); | |
224 | data += ETH_GSTRING_LEN; | |
225 | } | |
226 | } | |
227 | ||
228 | static int nicvf_get_sset_count(struct net_device *netdev, int sset) | |
229 | { | |
c62cd3c4 | 230 | struct nicvf *nic = netdev_priv(netdev); |
92dc8769 SG |
231 | int qstats_count; |
232 | int sqs; | |
c62cd3c4 | 233 | |
4863dea3 SG |
234 | if (sset != ETH_SS_STATS) |
235 | return -EINVAL; | |
236 | ||
92dc8769 SG |
237 | qstats_count = nicvf_n_queue_stats * |
238 | (nic->qs->rq_cnt + nic->qs->sq_cnt); | |
239 | for (sqs = 0; sqs < nic->sqs_count; sqs++) { | |
240 | struct nicvf *snic; | |
241 | ||
242 | snic = nic->snicvf[sqs]; | |
243 | if (!snic) | |
244 | continue; | |
245 | qstats_count += nicvf_n_queue_stats * | |
246 | (snic->qs->rq_cnt + snic->qs->sq_cnt); | |
247 | } | |
248 | ||
4863dea3 | 249 | return nicvf_n_hw_stats + nicvf_n_drv_stats + |
92dc8769 | 250 | qstats_count + |
4863dea3 SG |
251 | BGX_RX_STATS_COUNT + BGX_TX_STATS_COUNT; |
252 | } | |
253 | ||
92dc8769 SG |
254 | static void nicvf_get_qset_stats(struct nicvf *nic, |
255 | struct ethtool_stats *stats, u64 **data) | |
256 | { | |
257 | int stat, qidx; | |
258 | ||
259 | if (!nic) | |
260 | return; | |
261 | ||
262 | for (qidx = 0; qidx < nic->qs->rq_cnt; qidx++) { | |
263 | nicvf_update_rq_stats(nic, qidx); | |
264 | for (stat = 0; stat < nicvf_n_queue_stats; stat++) | |
265 | *((*data)++) = ((u64 *)&nic->qs->rq[qidx].stats) | |
266 | [nicvf_queue_stats[stat].index]; | |
267 | } | |
268 | ||
269 | for (qidx = 0; qidx < nic->qs->sq_cnt; qidx++) { | |
270 | nicvf_update_sq_stats(nic, qidx); | |
271 | for (stat = 0; stat < nicvf_n_queue_stats; stat++) | |
272 | *((*data)++) = ((u64 *)&nic->qs->sq[qidx].stats) | |
273 | [nicvf_queue_stats[stat].index]; | |
274 | } | |
275 | } | |
276 | ||
4863dea3 SG |
277 | static void nicvf_get_ethtool_stats(struct net_device *netdev, |
278 | struct ethtool_stats *stats, u64 *data) | |
279 | { | |
280 | struct nicvf *nic = netdev_priv(netdev); | |
92dc8769 SG |
281 | int stat; |
282 | int sqs; | |
4863dea3 SG |
283 | |
284 | nicvf_update_stats(nic); | |
285 | ||
286 | /* Update LMAC stats */ | |
287 | nicvf_update_lmac_stats(nic); | |
288 | ||
289 | for (stat = 0; stat < nicvf_n_hw_stats; stat++) | |
a2dc5ded | 290 | *(data++) = ((u64 *)&nic->hw_stats) |
4863dea3 SG |
291 | [nicvf_hw_stats[stat].index]; |
292 | for (stat = 0; stat < nicvf_n_drv_stats; stat++) | |
293 | *(data++) = ((u64 *)&nic->drv_stats) | |
294 | [nicvf_drv_stats[stat].index]; | |
295 | ||
92dc8769 | 296 | nicvf_get_qset_stats(nic, stats, &data); |
4863dea3 | 297 | |
92dc8769 SG |
298 | for (sqs = 0; sqs < nic->sqs_count; sqs++) { |
299 | if (!nic->snicvf[sqs]) | |
300 | continue; | |
301 | nicvf_get_qset_stats(nic->snicvf[sqs], stats, &data); | |
4863dea3 SG |
302 | } |
303 | ||
304 | for (stat = 0; stat < BGX_RX_STATS_COUNT; stat++) | |
305 | *(data++) = nic->bgx_stats.rx_stats[stat]; | |
306 | for (stat = 0; stat < BGX_TX_STATS_COUNT; stat++) | |
307 | *(data++) = nic->bgx_stats.tx_stats[stat]; | |
308 | } | |
309 | ||
310 | static int nicvf_get_regs_len(struct net_device *dev) | |
311 | { | |
312 | return sizeof(u64) * NIC_VF_REG_COUNT; | |
313 | } | |
314 | ||
315 | static void nicvf_get_regs(struct net_device *dev, | |
316 | struct ethtool_regs *regs, void *reg) | |
317 | { | |
318 | struct nicvf *nic = netdev_priv(dev); | |
319 | u64 *p = (u64 *)reg; | |
320 | u64 reg_offset; | |
321 | int mbox, key, stat, q; | |
322 | int i = 0; | |
323 | ||
324 | regs->version = 0; | |
325 | memset(p, 0, NIC_VF_REG_COUNT); | |
326 | ||
327 | p[i++] = nicvf_reg_read(nic, NIC_VNIC_CFG); | |
328 | /* Mailbox registers */ | |
329 | for (mbox = 0; mbox < NIC_PF_VF_MAILBOX_SIZE; mbox++) | |
330 | p[i++] = nicvf_reg_read(nic, | |
331 | NIC_VF_PF_MAILBOX_0_1 | (mbox << 3)); | |
332 | ||
333 | p[i++] = nicvf_reg_read(nic, NIC_VF_INT); | |
334 | p[i++] = nicvf_reg_read(nic, NIC_VF_INT_W1S); | |
335 | p[i++] = nicvf_reg_read(nic, NIC_VF_ENA_W1C); | |
336 | p[i++] = nicvf_reg_read(nic, NIC_VF_ENA_W1S); | |
337 | p[i++] = nicvf_reg_read(nic, NIC_VNIC_RSS_CFG); | |
338 | ||
339 | for (key = 0; key < RSS_HASH_KEY_SIZE; key++) | |
340 | p[i++] = nicvf_reg_read(nic, NIC_VNIC_RSS_KEY_0_4 | (key << 3)); | |
341 | ||
342 | /* Tx/Rx statistics */ | |
343 | for (stat = 0; stat < TX_STATS_ENUM_LAST; stat++) | |
344 | p[i++] = nicvf_reg_read(nic, | |
345 | NIC_VNIC_TX_STAT_0_4 | (stat << 3)); | |
346 | ||
347 | for (i = 0; i < RX_STATS_ENUM_LAST; i++) | |
348 | p[i++] = nicvf_reg_read(nic, | |
349 | NIC_VNIC_RX_STAT_0_13 | (stat << 3)); | |
350 | ||
351 | p[i++] = nicvf_reg_read(nic, NIC_QSET_RQ_GEN_CFG); | |
352 | ||
353 | /* All completion queue's registers */ | |
354 | for (q = 0; q < MAX_CMP_QUEUES_PER_QS; q++) { | |
355 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_CFG, q); | |
356 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_CFG2, q); | |
357 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_THRESH, q); | |
358 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_BASE, q); | |
359 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_HEAD, q); | |
360 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_TAIL, q); | |
361 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_DOOR, q); | |
362 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_STATUS, q); | |
363 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_STATUS2, q); | |
364 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_DEBUG, q); | |
365 | } | |
366 | ||
367 | /* All receive queue's registers */ | |
368 | for (q = 0; q < MAX_RCV_QUEUES_PER_QS; q++) { | |
369 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_RQ_0_7_CFG, q); | |
370 | p[i++] = nicvf_queue_reg_read(nic, | |
371 | NIC_QSET_RQ_0_7_STAT_0_1, q); | |
372 | reg_offset = NIC_QSET_RQ_0_7_STAT_0_1 | (1 << 3); | |
373 | p[i++] = nicvf_queue_reg_read(nic, reg_offset, q); | |
374 | } | |
375 | ||
376 | for (q = 0; q < MAX_SND_QUEUES_PER_QS; q++) { | |
377 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_CFG, q); | |
378 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_THRESH, q); | |
379 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_BASE, q); | |
380 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_HEAD, q); | |
381 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_TAIL, q); | |
382 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_DOOR, q); | |
383 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_STATUS, q); | |
384 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_DEBUG, q); | |
1423661f DD |
385 | /* Padding, was NIC_QSET_SQ_0_7_CNM_CHG, which |
386 | * produces bus errors when read | |
387 | */ | |
388 | p[i++] = 0; | |
4863dea3 SG |
389 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_STAT_0_1, q); |
390 | reg_offset = NIC_QSET_SQ_0_7_STAT_0_1 | (1 << 3); | |
391 | p[i++] = nicvf_queue_reg_read(nic, reg_offset, q); | |
392 | } | |
393 | ||
394 | for (q = 0; q < MAX_RCV_BUF_DESC_RINGS_PER_QS; q++) { | |
395 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_RBDR_0_1_CFG, q); | |
396 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_RBDR_0_1_THRESH, q); | |
397 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_RBDR_0_1_BASE, q); | |
398 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_RBDR_0_1_HEAD, q); | |
399 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_RBDR_0_1_TAIL, q); | |
400 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_RBDR_0_1_DOOR, q); | |
401 | p[i++] = nicvf_queue_reg_read(nic, | |
402 | NIC_QSET_RBDR_0_1_STATUS0, q); | |
403 | p[i++] = nicvf_queue_reg_read(nic, | |
404 | NIC_QSET_RBDR_0_1_STATUS1, q); | |
405 | reg_offset = NIC_QSET_RBDR_0_1_PREFETCH_STATUS; | |
406 | p[i++] = nicvf_queue_reg_read(nic, reg_offset, q); | |
407 | } | |
408 | } | |
409 | ||
410 | static int nicvf_get_coalesce(struct net_device *netdev, | |
411 | struct ethtool_coalesce *cmd) | |
412 | { | |
413 | struct nicvf *nic = netdev_priv(netdev); | |
414 | ||
415 | cmd->rx_coalesce_usecs = nic->cq_coalesce_usecs; | |
416 | return 0; | |
417 | } | |
418 | ||
419 | static void nicvf_get_ringparam(struct net_device *netdev, | |
420 | struct ethtool_ringparam *ring) | |
421 | { | |
422 | struct nicvf *nic = netdev_priv(netdev); | |
423 | struct queue_set *qs = nic->qs; | |
424 | ||
425 | ring->rx_max_pending = MAX_RCV_BUF_COUNT; | |
426 | ring->rx_pending = qs->rbdr_len; | |
427 | ring->tx_max_pending = MAX_SND_QUEUE_LEN; | |
428 | ring->tx_pending = qs->sq_len; | |
429 | } | |
430 | ||
431 | static int nicvf_get_rss_hash_opts(struct nicvf *nic, | |
432 | struct ethtool_rxnfc *info) | |
433 | { | |
434 | info->data = 0; | |
435 | ||
436 | switch (info->flow_type) { | |
437 | case TCP_V4_FLOW: | |
438 | case TCP_V6_FLOW: | |
439 | case UDP_V4_FLOW: | |
440 | case UDP_V6_FLOW: | |
441 | case SCTP_V4_FLOW: | |
442 | case SCTP_V6_FLOW: | |
443 | info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; | |
444 | case IPV4_FLOW: | |
445 | case IPV6_FLOW: | |
446 | info->data |= RXH_IP_SRC | RXH_IP_DST; | |
447 | break; | |
448 | default: | |
449 | return -EINVAL; | |
450 | } | |
451 | ||
452 | return 0; | |
453 | } | |
454 | ||
455 | static int nicvf_get_rxnfc(struct net_device *dev, | |
456 | struct ethtool_rxnfc *info, u32 *rules) | |
457 | { | |
458 | struct nicvf *nic = netdev_priv(dev); | |
459 | int ret = -EOPNOTSUPP; | |
460 | ||
461 | switch (info->cmd) { | |
462 | case ETHTOOL_GRXRINGS: | |
92dc8769 | 463 | info->data = nic->rx_queues; |
4863dea3 SG |
464 | ret = 0; |
465 | break; | |
466 | case ETHTOOL_GRXFH: | |
467 | return nicvf_get_rss_hash_opts(nic, info); | |
468 | default: | |
469 | break; | |
470 | } | |
471 | return ret; | |
472 | } | |
473 | ||
474 | static int nicvf_set_rss_hash_opts(struct nicvf *nic, | |
475 | struct ethtool_rxnfc *info) | |
476 | { | |
477 | struct nicvf_rss_info *rss = &nic->rss_info; | |
478 | u64 rss_cfg = nicvf_reg_read(nic, NIC_VNIC_RSS_CFG); | |
479 | ||
480 | if (!rss->enable) | |
481 | netdev_err(nic->netdev, | |
482 | "RSS is disabled, hash cannot be set\n"); | |
483 | ||
484 | netdev_info(nic->netdev, "Set RSS flow type = %d, data = %lld\n", | |
485 | info->flow_type, info->data); | |
486 | ||
487 | if (!(info->data & RXH_IP_SRC) || !(info->data & RXH_IP_DST)) | |
488 | return -EINVAL; | |
489 | ||
490 | switch (info->flow_type) { | |
491 | case TCP_V4_FLOW: | |
492 | case TCP_V6_FLOW: | |
493 | switch (info->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { | |
494 | case 0: | |
495 | rss_cfg &= ~(1ULL << RSS_HASH_TCP); | |
496 | break; | |
497 | case (RXH_L4_B_0_1 | RXH_L4_B_2_3): | |
498 | rss_cfg |= (1ULL << RSS_HASH_TCP); | |
499 | break; | |
500 | default: | |
501 | return -EINVAL; | |
502 | } | |
503 | break; | |
504 | case UDP_V4_FLOW: | |
505 | case UDP_V6_FLOW: | |
506 | switch (info->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { | |
507 | case 0: | |
508 | rss_cfg &= ~(1ULL << RSS_HASH_UDP); | |
509 | break; | |
510 | case (RXH_L4_B_0_1 | RXH_L4_B_2_3): | |
511 | rss_cfg |= (1ULL << RSS_HASH_UDP); | |
512 | break; | |
513 | default: | |
514 | return -EINVAL; | |
515 | } | |
516 | break; | |
517 | case SCTP_V4_FLOW: | |
518 | case SCTP_V6_FLOW: | |
519 | switch (info->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { | |
520 | case 0: | |
521 | rss_cfg &= ~(1ULL << RSS_HASH_L4ETC); | |
522 | break; | |
523 | case (RXH_L4_B_0_1 | RXH_L4_B_2_3): | |
524 | rss_cfg |= (1ULL << RSS_HASH_L4ETC); | |
525 | break; | |
526 | default: | |
527 | return -EINVAL; | |
528 | } | |
529 | break; | |
530 | case IPV4_FLOW: | |
531 | case IPV6_FLOW: | |
532 | rss_cfg = RSS_HASH_IP; | |
533 | break; | |
534 | default: | |
535 | return -EINVAL; | |
536 | } | |
537 | ||
538 | nicvf_reg_write(nic, NIC_VNIC_RSS_CFG, rss_cfg); | |
539 | return 0; | |
540 | } | |
541 | ||
542 | static int nicvf_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info) | |
543 | { | |
544 | struct nicvf *nic = netdev_priv(dev); | |
545 | ||
546 | switch (info->cmd) { | |
547 | case ETHTOOL_SRXFH: | |
548 | return nicvf_set_rss_hash_opts(nic, info); | |
549 | default: | |
550 | break; | |
551 | } | |
552 | return -EOPNOTSUPP; | |
553 | } | |
554 | ||
555 | static u32 nicvf_get_rxfh_key_size(struct net_device *netdev) | |
556 | { | |
557 | return RSS_HASH_KEY_SIZE * sizeof(u64); | |
558 | } | |
559 | ||
560 | static u32 nicvf_get_rxfh_indir_size(struct net_device *dev) | |
561 | { | |
562 | struct nicvf *nic = netdev_priv(dev); | |
563 | ||
564 | return nic->rss_info.rss_size; | |
565 | } | |
566 | ||
567 | static int nicvf_get_rxfh(struct net_device *dev, u32 *indir, u8 *hkey, | |
568 | u8 *hfunc) | |
569 | { | |
570 | struct nicvf *nic = netdev_priv(dev); | |
571 | struct nicvf_rss_info *rss = &nic->rss_info; | |
572 | int idx; | |
573 | ||
574 | if (indir) { | |
575 | for (idx = 0; idx < rss->rss_size; idx++) | |
576 | indir[idx] = rss->ind_tbl[idx]; | |
577 | } | |
578 | ||
579 | if (hkey) | |
580 | memcpy(hkey, rss->key, RSS_HASH_KEY_SIZE * sizeof(u64)); | |
581 | ||
582 | if (hfunc) | |
583 | *hfunc = ETH_RSS_HASH_TOP; | |
584 | ||
585 | return 0; | |
586 | } | |
587 | ||
588 | static int nicvf_set_rxfh(struct net_device *dev, const u32 *indir, | |
589 | const u8 *hkey, u8 hfunc) | |
590 | { | |
591 | struct nicvf *nic = netdev_priv(dev); | |
592 | struct nicvf_rss_info *rss = &nic->rss_info; | |
593 | int idx; | |
594 | ||
89987844 | 595 | if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) |
4863dea3 SG |
596 | return -EOPNOTSUPP; |
597 | ||
38bb5d4f SG |
598 | if (!rss->enable) { |
599 | netdev_err(nic->netdev, | |
600 | "RSS is disabled, cannot change settings\n"); | |
601 | return -EIO; | |
602 | } | |
603 | ||
4863dea3 SG |
604 | if (indir) { |
605 | for (idx = 0; idx < rss->rss_size; idx++) | |
606 | rss->ind_tbl[idx] = indir[idx]; | |
607 | } | |
608 | ||
609 | if (hkey) { | |
610 | memcpy(rss->key, hkey, RSS_HASH_KEY_SIZE * sizeof(u64)); | |
611 | nicvf_set_rss_key(nic); | |
612 | } | |
613 | ||
614 | nicvf_config_rss(nic); | |
615 | return 0; | |
616 | } | |
617 | ||
618 | /* Get no of queues device supports and current queue count */ | |
619 | static void nicvf_get_channels(struct net_device *dev, | |
620 | struct ethtool_channels *channel) | |
621 | { | |
622 | struct nicvf *nic = netdev_priv(dev); | |
623 | ||
624 | memset(channel, 0, sizeof(*channel)); | |
625 | ||
92dc8769 SG |
626 | channel->max_rx = nic->max_queues; |
627 | channel->max_tx = nic->max_queues; | |
4863dea3 | 628 | |
92dc8769 SG |
629 | channel->rx_count = nic->rx_queues; |
630 | channel->tx_count = nic->tx_queues; | |
4863dea3 SG |
631 | } |
632 | ||
633 | /* Set no of Tx, Rx queues to be used */ | |
634 | static int nicvf_set_channels(struct net_device *dev, | |
635 | struct ethtool_channels *channel) | |
636 | { | |
637 | struct nicvf *nic = netdev_priv(dev); | |
638 | int err = 0; | |
c62cd3c4 | 639 | bool if_up = netif_running(dev); |
92dc8769 | 640 | int cqcount; |
4863dea3 SG |
641 | |
642 | if (!channel->rx_count || !channel->tx_count) | |
643 | return -EINVAL; | |
92dc8769 | 644 | if (channel->rx_count > nic->max_queues) |
4863dea3 | 645 | return -EINVAL; |
92dc8769 | 646 | if (channel->tx_count > nic->max_queues) |
4863dea3 SG |
647 | return -EINVAL; |
648 | ||
c62cd3c4 SG |
649 | if (if_up) |
650 | nicvf_stop(dev); | |
651 | ||
92dc8769 SG |
652 | cqcount = max(channel->rx_count, channel->tx_count); |
653 | ||
654 | if (cqcount > MAX_CMP_QUEUES_PER_QS) { | |
655 | nic->sqs_count = roundup(cqcount, MAX_CMP_QUEUES_PER_QS); | |
656 | nic->sqs_count = (nic->sqs_count / MAX_CMP_QUEUES_PER_QS) - 1; | |
657 | } else { | |
658 | nic->sqs_count = 0; | |
659 | } | |
660 | ||
661 | nic->qs->rq_cnt = min_t(u32, channel->rx_count, MAX_RCV_QUEUES_PER_QS); | |
662 | nic->qs->sq_cnt = min_t(u32, channel->tx_count, MAX_SND_QUEUES_PER_QS); | |
4863dea3 SG |
663 | nic->qs->cq_cnt = max(nic->qs->rq_cnt, nic->qs->sq_cnt); |
664 | ||
92dc8769 SG |
665 | nic->rx_queues = channel->rx_count; |
666 | nic->tx_queues = channel->tx_count; | |
667 | err = nicvf_set_real_num_queues(dev, nic->tx_queues, nic->rx_queues); | |
4863dea3 SG |
668 | if (err) |
669 | return err; | |
670 | ||
c62cd3c4 SG |
671 | if (if_up) |
672 | nicvf_open(dev); | |
4863dea3 | 673 | |
4863dea3 | 674 | netdev_info(dev, "Setting num Tx rings to %d, Rx rings to %d success\n", |
92dc8769 | 675 | nic->tx_queues, nic->rx_queues); |
4863dea3 SG |
676 | |
677 | return err; | |
678 | } | |
679 | ||
680 | static const struct ethtool_ops nicvf_ethtool_ops = { | |
681 | .get_settings = nicvf_get_settings, | |
0b72a9a1 | 682 | .get_link = nicvf_get_link, |
4863dea3 SG |
683 | .get_drvinfo = nicvf_get_drvinfo, |
684 | .get_msglevel = nicvf_get_msglevel, | |
685 | .set_msglevel = nicvf_set_msglevel, | |
686 | .get_strings = nicvf_get_strings, | |
687 | .get_sset_count = nicvf_get_sset_count, | |
688 | .get_ethtool_stats = nicvf_get_ethtool_stats, | |
689 | .get_regs_len = nicvf_get_regs_len, | |
690 | .get_regs = nicvf_get_regs, | |
691 | .get_coalesce = nicvf_get_coalesce, | |
692 | .get_ringparam = nicvf_get_ringparam, | |
693 | .get_rxnfc = nicvf_get_rxnfc, | |
694 | .set_rxnfc = nicvf_set_rxnfc, | |
695 | .get_rxfh_key_size = nicvf_get_rxfh_key_size, | |
696 | .get_rxfh_indir_size = nicvf_get_rxfh_indir_size, | |
697 | .get_rxfh = nicvf_get_rxfh, | |
698 | .set_rxfh = nicvf_set_rxfh, | |
699 | .get_channels = nicvf_get_channels, | |
700 | .set_channels = nicvf_set_channels, | |
701 | .get_ts_info = ethtool_op_get_ts_info, | |
702 | }; | |
703 | ||
704 | void nicvf_set_ethtool_ops(struct net_device *netdev) | |
705 | { | |
706 | netdev->ethtool_ops = &nicvf_ethtool_ops; | |
707 | } |