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d1a890fa SB |
1 | /* |
2 | * Linux driver for VMware's vmxnet3 ethernet NIC. | |
3 | * | |
4 | * Copyright (C) 2008-2009, VMware, Inc. All Rights Reserved. | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify it | |
7 | * under the terms of the GNU General Public License as published by the | |
8 | * Free Software Foundation; version 2 of the License and no later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, but | |
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or | |
13 | * NON INFRINGEMENT. See the GNU General Public License for more | |
14 | * details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
19 | * | |
20 | * The full GNU General Public License is included in this distribution in | |
21 | * the file called "COPYING". | |
22 | * | |
23 | * Maintained by: Shreyas Bhatewara <pv-drivers@vmware.com> | |
24 | * | |
25 | */ | |
26 | ||
27 | ||
28 | #include "vmxnet3_int.h" | |
29 | ||
30 | struct vmxnet3_stat_desc { | |
31 | char desc[ETH_GSTRING_LEN]; | |
32 | int offset; | |
33 | }; | |
34 | ||
35 | ||
d1a890fa SB |
36 | /* per tq stats maintained by the device */ |
37 | static const struct vmxnet3_stat_desc | |
38 | vmxnet3_tq_dev_stats[] = { | |
39 | /* description, offset */ | |
76d39dae SB |
40 | { "Tx Queue#", 0 }, |
41 | { " TSO pkts tx", offsetof(struct UPT1_TxStats, TSOPktsTxOK) }, | |
42 | { " TSO bytes tx", offsetof(struct UPT1_TxStats, TSOBytesTxOK) }, | |
43 | { " ucast pkts tx", offsetof(struct UPT1_TxStats, ucastPktsTxOK) }, | |
44 | { " ucast bytes tx", offsetof(struct UPT1_TxStats, ucastBytesTxOK) }, | |
45 | { " mcast pkts tx", offsetof(struct UPT1_TxStats, mcastPktsTxOK) }, | |
46 | { " mcast bytes tx", offsetof(struct UPT1_TxStats, mcastBytesTxOK) }, | |
47 | { " bcast pkts tx", offsetof(struct UPT1_TxStats, bcastPktsTxOK) }, | |
48 | { " bcast bytes tx", offsetof(struct UPT1_TxStats, bcastBytesTxOK) }, | |
49 | { " pkts tx err", offsetof(struct UPT1_TxStats, pktsTxError) }, | |
50 | { " pkts tx discard", offsetof(struct UPT1_TxStats, pktsTxDiscard) }, | |
d1a890fa SB |
51 | }; |
52 | ||
53 | /* per tq stats maintained by the driver */ | |
54 | static const struct vmxnet3_stat_desc | |
55 | vmxnet3_tq_driver_stats[] = { | |
56 | /* description, offset */ | |
76d39dae SB |
57 | {" drv dropped tx total", offsetof(struct vmxnet3_tq_driver_stats, |
58 | drop_total) }, | |
59 | { " too many frags", offsetof(struct vmxnet3_tq_driver_stats, | |
60 | drop_too_many_frags) }, | |
61 | { " giant hdr", offsetof(struct vmxnet3_tq_driver_stats, | |
62 | drop_oversized_hdr) }, | |
63 | { " hdr err", offsetof(struct vmxnet3_tq_driver_stats, | |
64 | drop_hdr_inspect_err) }, | |
65 | { " tso", offsetof(struct vmxnet3_tq_driver_stats, | |
66 | drop_tso) }, | |
67 | { " ring full", offsetof(struct vmxnet3_tq_driver_stats, | |
68 | tx_ring_full) }, | |
69 | { " pkts linearized", offsetof(struct vmxnet3_tq_driver_stats, | |
70 | linearized) }, | |
71 | { " hdr cloned", offsetof(struct vmxnet3_tq_driver_stats, | |
72 | copy_skb_header) }, | |
73 | { " giant hdr", offsetof(struct vmxnet3_tq_driver_stats, | |
74 | oversized_hdr) }, | |
d1a890fa SB |
75 | }; |
76 | ||
77 | /* per rq stats maintained by the device */ | |
78 | static const struct vmxnet3_stat_desc | |
79 | vmxnet3_rq_dev_stats[] = { | |
76d39dae SB |
80 | { "Rx Queue#", 0 }, |
81 | { " LRO pkts rx", offsetof(struct UPT1_RxStats, LROPktsRxOK) }, | |
82 | { " LRO byte rx", offsetof(struct UPT1_RxStats, LROBytesRxOK) }, | |
83 | { " ucast pkts rx", offsetof(struct UPT1_RxStats, ucastPktsRxOK) }, | |
84 | { " ucast bytes rx", offsetof(struct UPT1_RxStats, ucastBytesRxOK) }, | |
85 | { " mcast pkts rx", offsetof(struct UPT1_RxStats, mcastPktsRxOK) }, | |
86 | { " mcast bytes rx", offsetof(struct UPT1_RxStats, mcastBytesRxOK) }, | |
87 | { " bcast pkts rx", offsetof(struct UPT1_RxStats, bcastPktsRxOK) }, | |
88 | { " bcast bytes rx", offsetof(struct UPT1_RxStats, bcastBytesRxOK) }, | |
89 | { " pkts rx OOB", offsetof(struct UPT1_RxStats, pktsRxOutOfBuf) }, | |
90 | { " pkts rx err", offsetof(struct UPT1_RxStats, pktsRxError) }, | |
d1a890fa SB |
91 | }; |
92 | ||
93 | /* per rq stats maintained by the driver */ | |
94 | static const struct vmxnet3_stat_desc | |
95 | vmxnet3_rq_driver_stats[] = { | |
96 | /* description, offset */ | |
76d39dae SB |
97 | { " drv dropped rx total", offsetof(struct vmxnet3_rq_driver_stats, |
98 | drop_total) }, | |
99 | { " err", offsetof(struct vmxnet3_rq_driver_stats, | |
100 | drop_err) }, | |
101 | { " fcs", offsetof(struct vmxnet3_rq_driver_stats, | |
102 | drop_fcs) }, | |
103 | { " rx buf alloc fail", offsetof(struct vmxnet3_rq_driver_stats, | |
104 | rx_buf_alloc_failure) }, | |
d1a890fa SB |
105 | }; |
106 | ||
107 | /* gloabl stats maintained by the driver */ | |
108 | static const struct vmxnet3_stat_desc | |
109 | vmxnet3_global_stats[] = { | |
110 | /* description, offset */ | |
76d39dae | 111 | { "tx timeout count", offsetof(struct vmxnet3_adapter, |
d1a890fa SB |
112 | tx_timeout_count) } |
113 | }; | |
114 | ||
115 | ||
95305f6c | 116 | struct rtnl_link_stats64 * |
117 | vmxnet3_get_stats64(struct net_device *netdev, | |
118 | struct rtnl_link_stats64 *stats) | |
d1a890fa SB |
119 | { |
120 | struct vmxnet3_adapter *adapter; | |
121 | struct vmxnet3_tq_driver_stats *drvTxStats; | |
122 | struct vmxnet3_rq_driver_stats *drvRxStats; | |
123 | struct UPT1_TxStats *devTxStats; | |
124 | struct UPT1_RxStats *devRxStats; | |
83d0feff | 125 | unsigned long flags; |
09c5088e | 126 | int i; |
d1a890fa SB |
127 | |
128 | adapter = netdev_priv(netdev); | |
129 | ||
130 | /* Collect the dev stats into the shared area */ | |
83d0feff | 131 | spin_lock_irqsave(&adapter->cmd_lock, flags); |
d1a890fa | 132 | VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, VMXNET3_CMD_GET_STATS); |
83d0feff | 133 | spin_unlock_irqrestore(&adapter->cmd_lock, flags); |
d1a890fa | 134 | |
09c5088e SB |
135 | for (i = 0; i < adapter->num_tx_queues; i++) { |
136 | devTxStats = &adapter->tqd_start[i].stats; | |
137 | drvTxStats = &adapter->tx_queue[i].stats; | |
95305f6c | 138 | stats->tx_packets += devTxStats->ucastPktsTxOK + |
139 | devTxStats->mcastPktsTxOK + | |
140 | devTxStats->bcastPktsTxOK; | |
141 | stats->tx_bytes += devTxStats->ucastBytesTxOK + | |
142 | devTxStats->mcastBytesTxOK + | |
143 | devTxStats->bcastBytesTxOK; | |
144 | stats->tx_errors += devTxStats->pktsTxError; | |
145 | stats->tx_dropped += drvTxStats->drop_total; | |
09c5088e | 146 | } |
d1a890fa | 147 | |
09c5088e SB |
148 | for (i = 0; i < adapter->num_rx_queues; i++) { |
149 | devRxStats = &adapter->rqd_start[i].stats; | |
150 | drvRxStats = &adapter->rx_queue[i].stats; | |
95305f6c | 151 | stats->rx_packets += devRxStats->ucastPktsRxOK + |
152 | devRxStats->mcastPktsRxOK + | |
153 | devRxStats->bcastPktsRxOK; | |
d1a890fa | 154 | |
95305f6c | 155 | stats->rx_bytes += devRxStats->ucastBytesRxOK + |
156 | devRxStats->mcastBytesRxOK + | |
157 | devRxStats->bcastBytesRxOK; | |
d1a890fa | 158 | |
95305f6c | 159 | stats->rx_errors += devRxStats->pktsRxError; |
160 | stats->rx_dropped += drvRxStats->drop_total; | |
161 | stats->multicast += devRxStats->mcastPktsRxOK; | |
09c5088e | 162 | } |
95305f6c | 163 | |
164 | return stats; | |
d1a890fa SB |
165 | } |
166 | ||
167 | static int | |
168 | vmxnet3_get_sset_count(struct net_device *netdev, int sset) | |
169 | { | |
76d39dae | 170 | struct vmxnet3_adapter *adapter = netdev_priv(netdev); |
d1a890fa SB |
171 | switch (sset) { |
172 | case ETH_SS_STATS: | |
76d39dae SB |
173 | return (ARRAY_SIZE(vmxnet3_tq_dev_stats) + |
174 | ARRAY_SIZE(vmxnet3_tq_driver_stats)) * | |
175 | adapter->num_tx_queues + | |
176 | (ARRAY_SIZE(vmxnet3_rq_dev_stats) + | |
177 | ARRAY_SIZE(vmxnet3_rq_driver_stats)) * | |
178 | adapter->num_rx_queues + | |
d1a890fa SB |
179 | ARRAY_SIZE(vmxnet3_global_stats); |
180 | default: | |
181 | return -EOPNOTSUPP; | |
182 | } | |
183 | } | |
184 | ||
185 | ||
76d39dae SB |
186 | /* Should be multiple of 4 */ |
187 | #define NUM_TX_REGS 8 | |
188 | #define NUM_RX_REGS 12 | |
189 | ||
d1a890fa SB |
190 | static int |
191 | vmxnet3_get_regs_len(struct net_device *netdev) | |
192 | { | |
76d39dae SB |
193 | struct vmxnet3_adapter *adapter = netdev_priv(netdev); |
194 | return (adapter->num_tx_queues * NUM_TX_REGS * sizeof(u32) + | |
195 | adapter->num_rx_queues * NUM_RX_REGS * sizeof(u32)); | |
d1a890fa SB |
196 | } |
197 | ||
198 | ||
199 | static void | |
200 | vmxnet3_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) | |
201 | { | |
202 | struct vmxnet3_adapter *adapter = netdev_priv(netdev); | |
203 | ||
204 | strlcpy(drvinfo->driver, vmxnet3_driver_name, sizeof(drvinfo->driver)); | |
d1a890fa SB |
205 | |
206 | strlcpy(drvinfo->version, VMXNET3_DRIVER_VERSION_REPORT, | |
207 | sizeof(drvinfo->version)); | |
d1a890fa SB |
208 | |
209 | strlcpy(drvinfo->bus_info, pci_name(adapter->pdev), | |
7826d43f | 210 | sizeof(drvinfo->bus_info)); |
d1a890fa SB |
211 | drvinfo->n_stats = vmxnet3_get_sset_count(netdev, ETH_SS_STATS); |
212 | drvinfo->testinfo_len = 0; | |
213 | drvinfo->eedump_len = 0; | |
214 | drvinfo->regdump_len = vmxnet3_get_regs_len(netdev); | |
215 | } | |
216 | ||
217 | ||
218 | static void | |
219 | vmxnet3_get_strings(struct net_device *netdev, u32 stringset, u8 *buf) | |
220 | { | |
76d39dae | 221 | struct vmxnet3_adapter *adapter = netdev_priv(netdev); |
d1a890fa | 222 | if (stringset == ETH_SS_STATS) { |
76d39dae SB |
223 | int i, j; |
224 | for (j = 0; j < adapter->num_tx_queues; j++) { | |
225 | for (i = 0; i < ARRAY_SIZE(vmxnet3_tq_dev_stats); i++) { | |
226 | memcpy(buf, vmxnet3_tq_dev_stats[i].desc, | |
227 | ETH_GSTRING_LEN); | |
228 | buf += ETH_GSTRING_LEN; | |
229 | } | |
230 | for (i = 0; i < ARRAY_SIZE(vmxnet3_tq_driver_stats); | |
231 | i++) { | |
232 | memcpy(buf, vmxnet3_tq_driver_stats[i].desc, | |
233 | ETH_GSTRING_LEN); | |
234 | buf += ETH_GSTRING_LEN; | |
235 | } | |
d1a890fa | 236 | } |
76d39dae SB |
237 | |
238 | for (j = 0; j < adapter->num_rx_queues; j++) { | |
239 | for (i = 0; i < ARRAY_SIZE(vmxnet3_rq_dev_stats); i++) { | |
240 | memcpy(buf, vmxnet3_rq_dev_stats[i].desc, | |
241 | ETH_GSTRING_LEN); | |
242 | buf += ETH_GSTRING_LEN; | |
243 | } | |
244 | for (i = 0; i < ARRAY_SIZE(vmxnet3_rq_driver_stats); | |
245 | i++) { | |
246 | memcpy(buf, vmxnet3_rq_driver_stats[i].desc, | |
247 | ETH_GSTRING_LEN); | |
248 | buf += ETH_GSTRING_LEN; | |
249 | } | |
d1a890fa | 250 | } |
76d39dae | 251 | |
d1a890fa SB |
252 | for (i = 0; i < ARRAY_SIZE(vmxnet3_global_stats); i++) { |
253 | memcpy(buf, vmxnet3_global_stats[i].desc, | |
254 | ETH_GSTRING_LEN); | |
255 | buf += ETH_GSTRING_LEN; | |
256 | } | |
257 | } | |
258 | } | |
259 | ||
c8f44aff | 260 | int vmxnet3_set_features(struct net_device *netdev, netdev_features_t features) |
d92be4b1 | 261 | { |
d1a890fa | 262 | struct vmxnet3_adapter *adapter = netdev_priv(netdev); |
83d0feff | 263 | unsigned long flags; |
c8f44aff | 264 | netdev_features_t changed = features ^ netdev->features; |
d1a890fa | 265 | |
f646968f PM |
266 | if (changed & (NETIF_F_RXCSUM | NETIF_F_LRO | |
267 | NETIF_F_HW_VLAN_CTAG_RX)) { | |
a0d2730c MM |
268 | if (features & NETIF_F_RXCSUM) |
269 | adapter->shared->devRead.misc.uptFeatures |= | |
270 | UPT1_F_RXCSUM; | |
271 | else | |
272 | adapter->shared->devRead.misc.uptFeatures &= | |
273 | ~UPT1_F_RXCSUM; | |
d1a890fa SB |
274 | |
275 | /* update harware LRO capability accordingly */ | |
a0d2730c | 276 | if (features & NETIF_F_LRO) |
ca802447 | 277 | adapter->shared->devRead.misc.uptFeatures |= |
3843e515 | 278 | UPT1_F_LRO; |
d1a890fa SB |
279 | else |
280 | adapter->shared->devRead.misc.uptFeatures &= | |
3843e515 | 281 | ~UPT1_F_LRO; |
a0d2730c | 282 | |
f646968f | 283 | if (features & NETIF_F_HW_VLAN_CTAG_RX) |
72e85c45 JG |
284 | adapter->shared->devRead.misc.uptFeatures |= |
285 | UPT1_F_RXVLAN; | |
286 | else | |
287 | adapter->shared->devRead.misc.uptFeatures &= | |
288 | ~UPT1_F_RXVLAN; | |
289 | ||
83d0feff | 290 | spin_lock_irqsave(&adapter->cmd_lock, flags); |
d1a890fa SB |
291 | VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, |
292 | VMXNET3_CMD_UPDATE_FEATURE); | |
83d0feff | 293 | spin_unlock_irqrestore(&adapter->cmd_lock, flags); |
d1a890fa SB |
294 | } |
295 | return 0; | |
296 | } | |
297 | ||
298 | static void | |
299 | vmxnet3_get_ethtool_stats(struct net_device *netdev, | |
300 | struct ethtool_stats *stats, u64 *buf) | |
301 | { | |
302 | struct vmxnet3_adapter *adapter = netdev_priv(netdev); | |
83d0feff | 303 | unsigned long flags; |
d1a890fa SB |
304 | u8 *base; |
305 | int i; | |
09c5088e | 306 | int j = 0; |
d1a890fa | 307 | |
83d0feff | 308 | spin_lock_irqsave(&adapter->cmd_lock, flags); |
d1a890fa | 309 | VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, VMXNET3_CMD_GET_STATS); |
83d0feff | 310 | spin_unlock_irqrestore(&adapter->cmd_lock, flags); |
d1a890fa SB |
311 | |
312 | /* this does assume each counter is 64-bit wide */ | |
76d39dae SB |
313 | for (j = 0; j < adapter->num_tx_queues; j++) { |
314 | base = (u8 *)&adapter->tqd_start[j].stats; | |
315 | *buf++ = (u64)j; | |
316 | for (i = 1; i < ARRAY_SIZE(vmxnet3_tq_dev_stats); i++) | |
317 | *buf++ = *(u64 *)(base + | |
318 | vmxnet3_tq_dev_stats[i].offset); | |
319 | ||
320 | base = (u8 *)&adapter->tx_queue[j].stats; | |
321 | for (i = 0; i < ARRAY_SIZE(vmxnet3_tq_driver_stats); i++) | |
322 | *buf++ = *(u64 *)(base + | |
323 | vmxnet3_tq_driver_stats[i].offset); | |
324 | } | |
d1a890fa | 325 | |
76d39dae SB |
326 | for (j = 0; j < adapter->num_tx_queues; j++) { |
327 | base = (u8 *)&adapter->rqd_start[j].stats; | |
328 | *buf++ = (u64) j; | |
329 | for (i = 1; i < ARRAY_SIZE(vmxnet3_rq_dev_stats); i++) | |
330 | *buf++ = *(u64 *)(base + | |
331 | vmxnet3_rq_dev_stats[i].offset); | |
332 | ||
333 | base = (u8 *)&adapter->rx_queue[j].stats; | |
334 | for (i = 0; i < ARRAY_SIZE(vmxnet3_rq_driver_stats); i++) | |
335 | *buf++ = *(u64 *)(base + | |
336 | vmxnet3_rq_driver_stats[i].offset); | |
337 | } | |
d1a890fa SB |
338 | |
339 | base = (u8 *)adapter; | |
340 | for (i = 0; i < ARRAY_SIZE(vmxnet3_global_stats); i++) | |
341 | *buf++ = *(u64 *)(base + vmxnet3_global_stats[i].offset); | |
342 | } | |
343 | ||
344 | ||
345 | static void | |
346 | vmxnet3_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p) | |
347 | { | |
348 | struct vmxnet3_adapter *adapter = netdev_priv(netdev); | |
349 | u32 *buf = p; | |
76d39dae | 350 | int i = 0, j = 0; |
d1a890fa SB |
351 | |
352 | memset(p, 0, vmxnet3_get_regs_len(netdev)); | |
353 | ||
354 | regs->version = 1; | |
355 | ||
356 | /* Update vmxnet3_get_regs_len if we want to dump more registers */ | |
357 | ||
358 | /* make each ring use multiple of 16 bytes */ | |
76d39dae SB |
359 | for (i = 0; i < adapter->num_tx_queues; i++) { |
360 | buf[j++] = adapter->tx_queue[i].tx_ring.next2fill; | |
361 | buf[j++] = adapter->tx_queue[i].tx_ring.next2comp; | |
362 | buf[j++] = adapter->tx_queue[i].tx_ring.gen; | |
363 | buf[j++] = 0; | |
364 | ||
365 | buf[j++] = adapter->tx_queue[i].comp_ring.next2proc; | |
366 | buf[j++] = adapter->tx_queue[i].comp_ring.gen; | |
367 | buf[j++] = adapter->tx_queue[i].stopped; | |
368 | buf[j++] = 0; | |
369 | } | |
370 | ||
371 | for (i = 0; i < adapter->num_rx_queues; i++) { | |
372 | buf[j++] = adapter->rx_queue[i].rx_ring[0].next2fill; | |
373 | buf[j++] = adapter->rx_queue[i].rx_ring[0].next2comp; | |
374 | buf[j++] = adapter->rx_queue[i].rx_ring[0].gen; | |
375 | buf[j++] = 0; | |
376 | ||
377 | buf[j++] = adapter->rx_queue[i].rx_ring[1].next2fill; | |
378 | buf[j++] = adapter->rx_queue[i].rx_ring[1].next2comp; | |
379 | buf[j++] = adapter->rx_queue[i].rx_ring[1].gen; | |
380 | buf[j++] = 0; | |
381 | ||
382 | buf[j++] = adapter->rx_queue[i].comp_ring.next2proc; | |
383 | buf[j++] = adapter->rx_queue[i].comp_ring.gen; | |
384 | buf[j++] = 0; | |
385 | buf[j++] = 0; | |
386 | } | |
387 | ||
d1a890fa SB |
388 | } |
389 | ||
390 | ||
391 | static void | |
392 | vmxnet3_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) | |
393 | { | |
394 | struct vmxnet3_adapter *adapter = netdev_priv(netdev); | |
395 | ||
396 | wol->supported = WAKE_UCAST | WAKE_ARP | WAKE_MAGIC; | |
397 | wol->wolopts = adapter->wol; | |
398 | } | |
399 | ||
400 | ||
401 | static int | |
402 | vmxnet3_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) | |
403 | { | |
404 | struct vmxnet3_adapter *adapter = netdev_priv(netdev); | |
405 | ||
406 | if (wol->wolopts & (WAKE_PHY | WAKE_MCAST | WAKE_BCAST | | |
407 | WAKE_MAGICSECURE)) { | |
408 | return -EOPNOTSUPP; | |
409 | } | |
410 | ||
411 | adapter->wol = wol->wolopts; | |
412 | ||
413 | device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol); | |
414 | ||
415 | return 0; | |
416 | } | |
417 | ||
418 | ||
419 | static int | |
420 | vmxnet3_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) | |
421 | { | |
422 | struct vmxnet3_adapter *adapter = netdev_priv(netdev); | |
423 | ||
424 | ecmd->supported = SUPPORTED_10000baseT_Full | SUPPORTED_1000baseT_Full | | |
425 | SUPPORTED_TP; | |
426 | ecmd->advertising = ADVERTISED_TP; | |
427 | ecmd->port = PORT_TP; | |
428 | ecmd->transceiver = XCVR_INTERNAL; | |
429 | ||
430 | if (adapter->link_speed) { | |
70739497 | 431 | ethtool_cmd_speed_set(ecmd, adapter->link_speed); |
d1a890fa SB |
432 | ecmd->duplex = DUPLEX_FULL; |
433 | } else { | |
537fae01 JP |
434 | ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN); |
435 | ecmd->duplex = DUPLEX_UNKNOWN; | |
d1a890fa SB |
436 | } |
437 | return 0; | |
438 | } | |
439 | ||
440 | ||
441 | static void | |
442 | vmxnet3_get_ringparam(struct net_device *netdev, | |
443 | struct ethtool_ringparam *param) | |
444 | { | |
445 | struct vmxnet3_adapter *adapter = netdev_priv(netdev); | |
446 | ||
447 | param->rx_max_pending = VMXNET3_RX_RING_MAX_SIZE; | |
448 | param->tx_max_pending = VMXNET3_TX_RING_MAX_SIZE; | |
449 | param->rx_mini_max_pending = 0; | |
450 | param->rx_jumbo_max_pending = 0; | |
451 | ||
f00e2b0a NH |
452 | param->rx_pending = adapter->rx_ring_size; |
453 | param->tx_pending = adapter->tx_ring_size; | |
d1a890fa SB |
454 | param->rx_mini_pending = 0; |
455 | param->rx_jumbo_pending = 0; | |
456 | } | |
457 | ||
458 | ||
459 | static int | |
460 | vmxnet3_set_ringparam(struct net_device *netdev, | |
461 | struct ethtool_ringparam *param) | |
462 | { | |
463 | struct vmxnet3_adapter *adapter = netdev_priv(netdev); | |
464 | u32 new_tx_ring_size, new_rx_ring_size; | |
465 | u32 sz; | |
466 | int err = 0; | |
467 | ||
468 | if (param->tx_pending == 0 || param->tx_pending > | |
469 | VMXNET3_TX_RING_MAX_SIZE) | |
470 | return -EINVAL; | |
471 | ||
472 | if (param->rx_pending == 0 || param->rx_pending > | |
473 | VMXNET3_RX_RING_MAX_SIZE) | |
474 | return -EINVAL; | |
475 | ||
e4fabf2b BD |
476 | /* if adapter not yet initialized, do nothing */ |
477 | if (adapter->rx_buf_per_pkt == 0) { | |
478 | netdev_err(netdev, "adapter not completely initialized, " | |
479 | "ring size cannot be changed yet\n"); | |
480 | return -EOPNOTSUPP; | |
481 | } | |
d1a890fa SB |
482 | |
483 | /* round it up to a multiple of VMXNET3_RING_SIZE_ALIGN */ | |
484 | new_tx_ring_size = (param->tx_pending + VMXNET3_RING_SIZE_MASK) & | |
485 | ~VMXNET3_RING_SIZE_MASK; | |
486 | new_tx_ring_size = min_t(u32, new_tx_ring_size, | |
487 | VMXNET3_TX_RING_MAX_SIZE); | |
488 | if (new_tx_ring_size > VMXNET3_TX_RING_MAX_SIZE || (new_tx_ring_size % | |
489 | VMXNET3_RING_SIZE_ALIGN) != 0) | |
490 | return -EINVAL; | |
491 | ||
492 | /* ring0 has to be a multiple of | |
493 | * rx_buf_per_pkt * VMXNET3_RING_SIZE_ALIGN | |
494 | */ | |
495 | sz = adapter->rx_buf_per_pkt * VMXNET3_RING_SIZE_ALIGN; | |
496 | new_rx_ring_size = (param->rx_pending + sz - 1) / sz * sz; | |
497 | new_rx_ring_size = min_t(u32, new_rx_ring_size, | |
498 | VMXNET3_RX_RING_MAX_SIZE / sz * sz); | |
499 | if (new_rx_ring_size > VMXNET3_RX_RING_MAX_SIZE || (new_rx_ring_size % | |
500 | sz) != 0) | |
501 | return -EINVAL; | |
502 | ||
09c5088e SB |
503 | if (new_tx_ring_size == adapter->tx_queue[0].tx_ring.size && |
504 | new_rx_ring_size == adapter->rx_queue[0].rx_ring[0].size) { | |
d1a890fa SB |
505 | return 0; |
506 | } | |
507 | ||
508 | /* | |
509 | * Reset_work may be in the middle of resetting the device, wait for its | |
510 | * completion. | |
511 | */ | |
512 | while (test_and_set_bit(VMXNET3_STATE_BIT_RESETTING, &adapter->state)) | |
513 | msleep(1); | |
514 | ||
515 | if (netif_running(netdev)) { | |
516 | vmxnet3_quiesce_dev(adapter); | |
517 | vmxnet3_reset_dev(adapter); | |
518 | ||
519 | /* recreate the rx queue and the tx queue based on the | |
520 | * new sizes */ | |
09c5088e SB |
521 | vmxnet3_tq_destroy_all(adapter); |
522 | vmxnet3_rq_destroy_all(adapter); | |
d1a890fa SB |
523 | |
524 | err = vmxnet3_create_queues(adapter, new_tx_ring_size, | |
525 | new_rx_ring_size, VMXNET3_DEF_RX_RING_SIZE); | |
09c5088e | 526 | |
d1a890fa SB |
527 | if (err) { |
528 | /* failed, most likely because of OOM, try default | |
529 | * size */ | |
204a6e65 SH |
530 | netdev_err(netdev, "failed to apply new sizes, " |
531 | "try the default ones\n"); | |
f00e2b0a NH |
532 | new_rx_ring_size = VMXNET3_DEF_RX_RING_SIZE; |
533 | new_tx_ring_size = VMXNET3_DEF_TX_RING_SIZE; | |
d1a890fa | 534 | err = vmxnet3_create_queues(adapter, |
f00e2b0a NH |
535 | new_tx_ring_size, |
536 | new_rx_ring_size, | |
d1a890fa SB |
537 | VMXNET3_DEF_RX_RING_SIZE); |
538 | if (err) { | |
204a6e65 SH |
539 | netdev_err(netdev, "failed to create queues " |
540 | "with default sizes. Closing it\n"); | |
d1a890fa SB |
541 | goto out; |
542 | } | |
543 | } | |
544 | ||
545 | err = vmxnet3_activate_dev(adapter); | |
546 | if (err) | |
204a6e65 SH |
547 | netdev_err(netdev, "failed to re-activate, error %d." |
548 | " Closing it\n", err); | |
d1a890fa | 549 | } |
f00e2b0a NH |
550 | adapter->tx_ring_size = new_tx_ring_size; |
551 | adapter->rx_ring_size = new_rx_ring_size; | |
d1a890fa SB |
552 | |
553 | out: | |
554 | clear_bit(VMXNET3_STATE_BIT_RESETTING, &adapter->state); | |
555 | if (err) | |
556 | vmxnet3_force_close(adapter); | |
557 | ||
558 | return err; | |
559 | } | |
560 | ||
561 | ||
09c5088e SB |
562 | static int |
563 | vmxnet3_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *info, | |
815c7db5 | 564 | u32 *rules) |
09c5088e SB |
565 | { |
566 | struct vmxnet3_adapter *adapter = netdev_priv(netdev); | |
567 | switch (info->cmd) { | |
568 | case ETHTOOL_GRXRINGS: | |
569 | info->data = adapter->num_rx_queues; | |
570 | return 0; | |
571 | } | |
572 | return -EOPNOTSUPP; | |
573 | } | |
574 | ||
e9248fbd | 575 | #ifdef VMXNET3_RSS |
7850f63f BH |
576 | static u32 |
577 | vmxnet3_get_rss_indir_size(struct net_device *netdev) | |
578 | { | |
579 | struct vmxnet3_adapter *adapter = netdev_priv(netdev); | |
580 | struct UPT1_RSSConf *rssConf = adapter->rss_conf; | |
581 | ||
582 | return rssConf->indTableSize; | |
583 | } | |
584 | ||
09c5088e | 585 | static int |
fe62d001 | 586 | vmxnet3_get_rss(struct net_device *netdev, u32 *p, u8 *key) |
09c5088e SB |
587 | { |
588 | struct vmxnet3_adapter *adapter = netdev_priv(netdev); | |
589 | struct UPT1_RSSConf *rssConf = adapter->rss_conf; | |
7850f63f | 590 | unsigned int n = rssConf->indTableSize; |
09c5088e | 591 | |
09c5088e | 592 | while (n--) |
7850f63f | 593 | p[n] = rssConf->indTable[n]; |
09c5088e SB |
594 | return 0; |
595 | ||
596 | } | |
597 | ||
598 | static int | |
fe62d001 | 599 | vmxnet3_set_rss(struct net_device *netdev, const u32 *p, const u8 *key) |
09c5088e SB |
600 | { |
601 | unsigned int i; | |
83d0feff | 602 | unsigned long flags; |
09c5088e SB |
603 | struct vmxnet3_adapter *adapter = netdev_priv(netdev); |
604 | struct UPT1_RSSConf *rssConf = adapter->rss_conf; | |
605 | ||
09c5088e | 606 | for (i = 0; i < rssConf->indTableSize; i++) |
7850f63f | 607 | rssConf->indTable[i] = p[i]; |
09c5088e | 608 | |
83d0feff | 609 | spin_lock_irqsave(&adapter->cmd_lock, flags); |
09c5088e SB |
610 | VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, |
611 | VMXNET3_CMD_UPDATE_RSSIDT); | |
83d0feff | 612 | spin_unlock_irqrestore(&adapter->cmd_lock, flags); |
09c5088e SB |
613 | |
614 | return 0; | |
615 | ||
616 | } | |
e9248fbd | 617 | #endif |
09c5088e | 618 | |
c8b88efc | 619 | static const struct ethtool_ops vmxnet3_ethtool_ops = { |
d1a890fa SB |
620 | .get_settings = vmxnet3_get_settings, |
621 | .get_drvinfo = vmxnet3_get_drvinfo, | |
622 | .get_regs_len = vmxnet3_get_regs_len, | |
623 | .get_regs = vmxnet3_get_regs, | |
624 | .get_wol = vmxnet3_get_wol, | |
625 | .set_wol = vmxnet3_set_wol, | |
626 | .get_link = ethtool_op_get_link, | |
d1a890fa | 627 | .get_strings = vmxnet3_get_strings, |
d1a890fa SB |
628 | .get_sset_count = vmxnet3_get_sset_count, |
629 | .get_ethtool_stats = vmxnet3_get_ethtool_stats, | |
630 | .get_ringparam = vmxnet3_get_ringparam, | |
631 | .set_ringparam = vmxnet3_set_ringparam, | |
09c5088e | 632 | .get_rxnfc = vmxnet3_get_rxnfc, |
e9248fbd | 633 | #ifdef VMXNET3_RSS |
7850f63f | 634 | .get_rxfh_indir_size = vmxnet3_get_rss_indir_size, |
fe62d001 BH |
635 | .get_rxfh = vmxnet3_get_rss, |
636 | .set_rxfh = vmxnet3_set_rss, | |
e9248fbd | 637 | #endif |
d1a890fa SB |
638 | }; |
639 | ||
640 | void vmxnet3_set_ethtool_ops(struct net_device *netdev) | |
641 | { | |
7ad24ea4 | 642 | netdev->ethtool_ops = &vmxnet3_ethtool_ops; |
d1a890fa | 643 | } |