]>
Commit | Line | Data |
---|---|---|
ac421852 LY |
1 | /* |
2 | * Copyright (c) 2007 Freescale Semiconductor, Inc. All rights reserved. | |
3 | * | |
4 | * Description: QE UCC Gigabit Ethernet Ethtool API Set | |
5 | * | |
6 | * Author: Li Yang <[email protected]> | |
7 | * | |
7d2e3cb7 | 8 | * Limitation: |
ac421852 | 9 | * Can only get/set setttings of the first queue. |
98a1708d | 10 | * Need to re-open the interface manually after changing some parameters. |
ac421852 LY |
11 | * |
12 | * This program is free software; you can redistribute it and/or modify it | |
13 | * under the terms of the GNU General Public License as published by the | |
14 | * Free Software Foundation; either version 2 of the License, or (at your | |
15 | * option) any later version. | |
16 | */ | |
17 | ||
18 | #include <linux/kernel.h> | |
19 | #include <linux/init.h> | |
20 | #include <linux/errno.h> | |
ac421852 LY |
21 | #include <linux/stddef.h> |
22 | #include <linux/interrupt.h> | |
23 | #include <linux/netdevice.h> | |
24 | #include <linux/etherdevice.h> | |
25 | #include <linux/skbuff.h> | |
26 | #include <linux/spinlock.h> | |
27 | #include <linux/mm.h> | |
28 | #include <linux/delay.h> | |
29 | #include <linux/dma-mapping.h> | |
ac421852 LY |
30 | #include <linux/ethtool.h> |
31 | #include <linux/mii.h> | |
32 | #include <linux/phy.h> | |
33 | ||
34 | #include <asm/io.h> | |
35 | #include <asm/irq.h> | |
36 | #include <asm/uaccess.h> | |
37 | #include <asm/types.h> | |
ac421852 LY |
38 | |
39 | #include "ucc_geth.h" | |
ac421852 LY |
40 | |
41 | static char hw_stat_gstrings[][ETH_GSTRING_LEN] = { | |
42 | "tx-64-frames", | |
43 | "tx-65-127-frames", | |
44 | "tx-128-255-frames", | |
45 | "rx-64-frames", | |
46 | "rx-65-127-frames", | |
47 | "rx-128-255-frames", | |
48 | "tx-bytes-ok", | |
49 | "tx-pause-frames", | |
50 | "tx-multicast-frames", | |
51 | "tx-broadcast-frames", | |
52 | "rx-frames", | |
53 | "rx-bytes-ok", | |
54 | "rx-bytes-all", | |
55 | "rx-multicast-frames", | |
56 | "rx-broadcast-frames", | |
57 | "stats-counter-carry", | |
58 | "stats-counter-mask", | |
59 | "rx-dropped-frames", | |
60 | }; | |
61 | ||
62 | static char tx_fw_stat_gstrings[][ETH_GSTRING_LEN] = { | |
63 | "tx-single-collision", | |
64 | "tx-multiple-collision", | |
65 | "tx-late-collsion", | |
66 | "tx-aborted-frames", | |
67 | "tx-lost-frames", | |
68 | "tx-carrier-sense-errors", | |
69 | "tx-frames-ok", | |
70 | "tx-excessive-differ-frames", | |
71 | "tx-256-511-frames", | |
08722bc4 | 72 | "tx-512-1023-frames", |
ac421852 LY |
73 | "tx-1024-1518-frames", |
74 | "tx-jumbo-frames", | |
75 | }; | |
76 | ||
77 | static char rx_fw_stat_gstrings[][ETH_GSTRING_LEN] = { | |
78 | "rx-crc-errors", | |
79 | "rx-alignment-errors", | |
80 | "rx-in-range-length-errors", | |
81 | "rx-out-of-range-length-errors", | |
82 | "rx-too-long-frames", | |
83 | "rx-runt", | |
84 | "rx-very-long-event", | |
85 | "rx-symbol-errors", | |
86 | "rx-busy-drop-frames", | |
87 | "reserved", | |
88 | "reserved", | |
89 | "rx-mismatch-drop-frames", | |
90 | "rx-small-than-64", | |
91 | "rx-256-511-frames", | |
92 | "rx-512-1023-frames", | |
93 | "rx-1024-1518-frames", | |
94 | "rx-jumbo-frames", | |
95 | "rx-mac-error-loss", | |
96 | "rx-pause-frames", | |
97 | "reserved", | |
98 | "rx-vlan-removed", | |
99 | "rx-vlan-replaced", | |
100 | "rx-vlan-inserted", | |
101 | "rx-ip-checksum-errors", | |
102 | }; | |
103 | ||
104 | #define UEC_HW_STATS_LEN ARRAY_SIZE(hw_stat_gstrings) | |
105 | #define UEC_TX_FW_STATS_LEN ARRAY_SIZE(tx_fw_stat_gstrings) | |
106 | #define UEC_RX_FW_STATS_LEN ARRAY_SIZE(rx_fw_stat_gstrings) | |
107 | ||
ac421852 LY |
108 | static int |
109 | uec_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) | |
110 | { | |
111 | struct ucc_geth_private *ugeth = netdev_priv(netdev); | |
112 | struct phy_device *phydev = ugeth->phydev; | |
113 | struct ucc_geth_info *ug_info = ugeth->ug_info; | |
114 | ||
115 | if (!phydev) | |
116 | return -ENODEV; | |
117 | ||
118 | ecmd->maxtxpkt = 1; | |
119 | ecmd->maxrxpkt = ug_info->interruptcoalescingmaxvalue[0]; | |
120 | ||
121 | return phy_ethtool_gset(phydev, ecmd); | |
122 | } | |
123 | ||
124 | static int | |
125 | uec_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) | |
126 | { | |
127 | struct ucc_geth_private *ugeth = netdev_priv(netdev); | |
128 | struct phy_device *phydev = ugeth->phydev; | |
129 | ||
130 | if (!phydev) | |
131 | return -ENODEV; | |
132 | ||
133 | return phy_ethtool_sset(phydev, ecmd); | |
134 | } | |
135 | ||
136 | static void | |
137 | uec_get_pauseparam(struct net_device *netdev, | |
138 | struct ethtool_pauseparam *pause) | |
139 | { | |
140 | struct ucc_geth_private *ugeth = netdev_priv(netdev); | |
141 | ||
142 | pause->autoneg = ugeth->phydev->autoneg; | |
143 | ||
144 | if (ugeth->ug_info->receiveFlowControl) | |
145 | pause->rx_pause = 1; | |
146 | if (ugeth->ug_info->transmitFlowControl) | |
147 | pause->tx_pause = 1; | |
148 | } | |
149 | ||
150 | static int | |
151 | uec_set_pauseparam(struct net_device *netdev, | |
152 | struct ethtool_pauseparam *pause) | |
153 | { | |
154 | struct ucc_geth_private *ugeth = netdev_priv(netdev); | |
155 | int ret = 0; | |
156 | ||
157 | ugeth->ug_info->receiveFlowControl = pause->rx_pause; | |
158 | ugeth->ug_info->transmitFlowControl = pause->tx_pause; | |
7d2e3cb7 | 159 | |
ac421852 LY |
160 | if (ugeth->phydev->autoneg) { |
161 | if (netif_running(netdev)) { | |
162 | /* FIXME: automatically restart */ | |
163 | printk(KERN_INFO | |
164 | "Please re-open the interface.\n"); | |
165 | } | |
166 | } else { | |
167 | struct ucc_geth_info *ug_info = ugeth->ug_info; | |
168 | ||
169 | ret = init_flow_control_params(ug_info->aufc, | |
170 | ug_info->receiveFlowControl, | |
171 | ug_info->transmitFlowControl, | |
172 | ug_info->pausePeriod, | |
173 | ug_info->extensionField, | |
174 | &ugeth->uccf->uf_regs->upsmr, | |
175 | &ugeth->ug_regs->uempr, | |
176 | &ugeth->ug_regs->maccfg1); | |
177 | } | |
178 | ||
179 | return ret; | |
180 | } | |
181 | ||
182 | static uint32_t | |
183 | uec_get_msglevel(struct net_device *netdev) | |
184 | { | |
185 | struct ucc_geth_private *ugeth = netdev_priv(netdev); | |
186 | return ugeth->msg_enable; | |
187 | } | |
188 | ||
189 | static void | |
190 | uec_set_msglevel(struct net_device *netdev, uint32_t data) | |
191 | { | |
192 | struct ucc_geth_private *ugeth = netdev_priv(netdev); | |
193 | ugeth->msg_enable = data; | |
194 | } | |
195 | ||
196 | static int | |
197 | uec_get_regs_len(struct net_device *netdev) | |
198 | { | |
199 | return sizeof(struct ucc_geth); | |
200 | } | |
201 | ||
202 | static void | |
203 | uec_get_regs(struct net_device *netdev, | |
204 | struct ethtool_regs *regs, void *p) | |
205 | { | |
206 | int i; | |
207 | struct ucc_geth_private *ugeth = netdev_priv(netdev); | |
208 | u32 __iomem *ug_regs = (u32 __iomem *)ugeth->ug_regs; | |
209 | u32 *buff = p; | |
210 | ||
211 | for (i = 0; i < sizeof(struct ucc_geth) / sizeof(u32); i++) | |
212 | buff[i] = in_be32(&ug_regs[i]); | |
213 | } | |
214 | ||
215 | static void | |
216 | uec_get_ringparam(struct net_device *netdev, | |
217 | struct ethtool_ringparam *ring) | |
218 | { | |
219 | struct ucc_geth_private *ugeth = netdev_priv(netdev); | |
220 | struct ucc_geth_info *ug_info = ugeth->ug_info; | |
221 | int queue = 0; | |
222 | ||
223 | ring->rx_max_pending = UCC_GETH_BD_RING_SIZE_MAX; | |
224 | ring->rx_mini_max_pending = UCC_GETH_BD_RING_SIZE_MAX; | |
225 | ring->rx_jumbo_max_pending = UCC_GETH_BD_RING_SIZE_MAX; | |
226 | ring->tx_max_pending = UCC_GETH_BD_RING_SIZE_MAX; | |
227 | ||
228 | ring->rx_pending = ug_info->bdRingLenRx[queue]; | |
229 | ring->rx_mini_pending = ug_info->bdRingLenRx[queue]; | |
230 | ring->rx_jumbo_pending = ug_info->bdRingLenRx[queue]; | |
231 | ring->tx_pending = ug_info->bdRingLenTx[queue]; | |
232 | } | |
233 | ||
234 | static int | |
235 | uec_set_ringparam(struct net_device *netdev, | |
236 | struct ethtool_ringparam *ring) | |
237 | { | |
238 | struct ucc_geth_private *ugeth = netdev_priv(netdev); | |
239 | struct ucc_geth_info *ug_info = ugeth->ug_info; | |
240 | int queue = 0, ret = 0; | |
241 | ||
242 | if (ring->rx_pending < UCC_GETH_RX_BD_RING_SIZE_MIN) { | |
243 | printk("%s: RxBD ring size must be no smaller than %d.\n", | |
244 | netdev->name, UCC_GETH_RX_BD_RING_SIZE_MIN); | |
245 | return -EINVAL; | |
246 | } | |
247 | if (ring->rx_pending % UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT) { | |
248 | printk("%s: RxBD ring size must be multiple of %d.\n", | |
249 | netdev->name, UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT); | |
250 | return -EINVAL; | |
251 | } | |
252 | if (ring->tx_pending < UCC_GETH_TX_BD_RING_SIZE_MIN) { | |
253 | printk("%s: TxBD ring size must be no smaller than %d.\n", | |
254 | netdev->name, UCC_GETH_TX_BD_RING_SIZE_MIN); | |
255 | return -EINVAL; | |
256 | } | |
257 | ||
258 | ug_info->bdRingLenRx[queue] = ring->rx_pending; | |
259 | ug_info->bdRingLenTx[queue] = ring->tx_pending; | |
260 | ||
261 | if (netif_running(netdev)) { | |
262 | /* FIXME: restart automatically */ | |
263 | printk(KERN_INFO | |
264 | "Please re-open the interface.\n"); | |
265 | } | |
266 | ||
267 | return ret; | |
268 | } | |
269 | ||
b9f2c044 | 270 | static int uec_get_sset_count(struct net_device *netdev, int sset) |
ac421852 LY |
271 | { |
272 | struct ucc_geth_private *ugeth = netdev_priv(netdev); | |
273 | u32 stats_mode = ugeth->ug_info->statisticsMode; | |
274 | int len = 0; | |
275 | ||
b9f2c044 JG |
276 | switch (sset) { |
277 | case ETH_SS_STATS: | |
278 | if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE) | |
279 | len += UEC_HW_STATS_LEN; | |
280 | if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX) | |
281 | len += UEC_TX_FW_STATS_LEN; | |
282 | if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX) | |
283 | len += UEC_RX_FW_STATS_LEN; | |
284 | ||
285 | return len; | |
ac421852 | 286 | |
b9f2c044 JG |
287 | default: |
288 | return -EOPNOTSUPP; | |
289 | } | |
ac421852 LY |
290 | } |
291 | ||
292 | static void uec_get_strings(struct net_device *netdev, u32 stringset, u8 *buf) | |
293 | { | |
294 | struct ucc_geth_private *ugeth = netdev_priv(netdev); | |
295 | u32 stats_mode = ugeth->ug_info->statisticsMode; | |
296 | ||
297 | if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE) { | |
298 | memcpy(buf, hw_stat_gstrings, UEC_HW_STATS_LEN * | |
299 | ETH_GSTRING_LEN); | |
300 | buf += UEC_HW_STATS_LEN * ETH_GSTRING_LEN; | |
301 | } | |
302 | if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX) { | |
303 | memcpy(buf, tx_fw_stat_gstrings, UEC_TX_FW_STATS_LEN * | |
304 | ETH_GSTRING_LEN); | |
305 | buf += UEC_TX_FW_STATS_LEN * ETH_GSTRING_LEN; | |
306 | } | |
307 | if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX) | |
25f03dcf | 308 | memcpy(buf, rx_fw_stat_gstrings, UEC_RX_FW_STATS_LEN * |
ac421852 LY |
309 | ETH_GSTRING_LEN); |
310 | } | |
311 | ||
312 | static void uec_get_ethtool_stats(struct net_device *netdev, | |
313 | struct ethtool_stats *stats, uint64_t *data) | |
314 | { | |
315 | struct ucc_geth_private *ugeth = netdev_priv(netdev); | |
316 | u32 stats_mode = ugeth->ug_info->statisticsMode; | |
317 | u32 __iomem *base; | |
318 | int i, j = 0; | |
319 | ||
320 | if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE) { | |
e0ad2cd8 AV |
321 | if (ugeth->ug_regs) |
322 | base = (u32 __iomem *)&ugeth->ug_regs->tx64; | |
323 | else | |
324 | base = NULL; | |
325 | ||
ac421852 | 326 | for (i = 0; i < UEC_HW_STATS_LEN; i++) |
e0ad2cd8 | 327 | data[j++] = base ? in_be32(&base[i]) : 0; |
ac421852 LY |
328 | } |
329 | if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX) { | |
330 | base = (u32 __iomem *)ugeth->p_tx_fw_statistics_pram; | |
331 | for (i = 0; i < UEC_TX_FW_STATS_LEN; i++) | |
18acfa25 | 332 | data[j++] = base ? in_be32(&base[i]) : 0; |
ac421852 LY |
333 | } |
334 | if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX) { | |
335 | base = (u32 __iomem *)ugeth->p_rx_fw_statistics_pram; | |
336 | for (i = 0; i < UEC_RX_FW_STATS_LEN; i++) | |
18acfa25 | 337 | data[j++] = base ? in_be32(&base[i]) : 0; |
ac421852 LY |
338 | } |
339 | } | |
340 | ||
341 | static int uec_nway_reset(struct net_device *netdev) | |
342 | { | |
343 | struct ucc_geth_private *ugeth = netdev_priv(netdev); | |
344 | ||
345 | return phy_start_aneg(ugeth->phydev); | |
346 | } | |
347 | ||
348 | /* Report driver information */ | |
349 | static void | |
350 | uec_get_drvinfo(struct net_device *netdev, | |
351 | struct ethtool_drvinfo *drvinfo) | |
352 | { | |
353 | strncpy(drvinfo->driver, DRV_NAME, 32); | |
354 | strncpy(drvinfo->version, DRV_VERSION, 32); | |
355 | strncpy(drvinfo->fw_version, "N/A", 32); | |
356 | strncpy(drvinfo->bus_info, "QUICC ENGINE", 32); | |
ac421852 LY |
357 | drvinfo->eedump_len = 0; |
358 | drvinfo->regdump_len = uec_get_regs_len(netdev); | |
359 | } | |
360 | ||
2394905f AV |
361 | #ifdef CONFIG_PM |
362 | ||
363 | static void uec_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) | |
364 | { | |
365 | struct ucc_geth_private *ugeth = netdev_priv(netdev); | |
366 | struct phy_device *phydev = ugeth->phydev; | |
367 | ||
368 | if (phydev && phydev->irq) | |
369 | wol->supported |= WAKE_PHY; | |
370 | if (qe_alive_during_sleep()) | |
371 | wol->supported |= WAKE_MAGIC; | |
372 | ||
373 | wol->wolopts = ugeth->wol_en; | |
374 | } | |
375 | ||
376 | static int uec_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) | |
377 | { | |
378 | struct ucc_geth_private *ugeth = netdev_priv(netdev); | |
379 | struct phy_device *phydev = ugeth->phydev; | |
380 | ||
381 | if (wol->wolopts & ~(WAKE_PHY | WAKE_MAGIC)) | |
382 | return -EINVAL; | |
383 | else if (wol->wolopts & WAKE_PHY && (!phydev || !phydev->irq)) | |
384 | return -EINVAL; | |
385 | else if (wol->wolopts & WAKE_MAGIC && !qe_alive_during_sleep()) | |
386 | return -EINVAL; | |
387 | ||
388 | ugeth->wol_en = wol->wolopts; | |
389 | device_set_wakeup_enable(&netdev->dev, ugeth->wol_en); | |
390 | ||
391 | return 0; | |
392 | } | |
393 | ||
394 | #else | |
395 | #define uec_get_wol NULL | |
396 | #define uec_set_wol NULL | |
397 | #endif /* CONFIG_PM */ | |
398 | ||
ac421852 LY |
399 | static const struct ethtool_ops uec_ethtool_ops = { |
400 | .get_settings = uec_get_settings, | |
401 | .set_settings = uec_set_settings, | |
402 | .get_drvinfo = uec_get_drvinfo, | |
403 | .get_regs_len = uec_get_regs_len, | |
404 | .get_regs = uec_get_regs, | |
405 | .get_msglevel = uec_get_msglevel, | |
406 | .set_msglevel = uec_set_msglevel, | |
407 | .nway_reset = uec_nway_reset, | |
408 | .get_link = ethtool_op_get_link, | |
409 | .get_ringparam = uec_get_ringparam, | |
410 | .set_ringparam = uec_set_ringparam, | |
411 | .get_pauseparam = uec_get_pauseparam, | |
412 | .set_pauseparam = uec_set_pauseparam, | |
b9f2c044 | 413 | .get_sset_count = uec_get_sset_count, |
ac421852 LY |
414 | .get_strings = uec_get_strings, |
415 | .get_ethtool_stats = uec_get_ethtool_stats, | |
2394905f AV |
416 | .get_wol = uec_get_wol, |
417 | .set_wol = uec_set_wol, | |
ac421852 LY |
418 | }; |
419 | ||
420 | void uec_set_ethtool_ops(struct net_device *netdev) | |
421 | { | |
422 | SET_ETHTOOL_OPS(netdev, &uec_ethtool_ops); | |
423 | } |