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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 <leoli@freescale.com> | |
7 | * | |
7d2e3cb7 | 8 | * Limitation: |
70f23fd6 | 9 | * Can only get/set settings 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> | |
ac421852 | 19 | #include <linux/errno.h> |
ac421852 LY |
20 | #include <linux/stddef.h> |
21 | #include <linux/interrupt.h> | |
22 | #include <linux/netdevice.h> | |
23 | #include <linux/etherdevice.h> | |
24 | #include <linux/skbuff.h> | |
25 | #include <linux/spinlock.h> | |
26 | #include <linux/mm.h> | |
27 | #include <linux/delay.h> | |
28 | #include <linux/dma-mapping.h> | |
ac421852 LY |
29 | #include <linux/ethtool.h> |
30 | #include <linux/mii.h> | |
31 | #include <linux/phy.h> | |
32 | ||
33 | #include <asm/io.h> | |
34 | #include <asm/irq.h> | |
35 | #include <asm/uaccess.h> | |
36 | #include <asm/types.h> | |
ac421852 LY |
37 | |
38 | #include "ucc_geth.h" | |
ac421852 | 39 | |
c84d8055 | 40 | static const char hw_stat_gstrings[][ETH_GSTRING_LEN] = { |
ac421852 LY |
41 | "tx-64-frames", |
42 | "tx-65-127-frames", | |
43 | "tx-128-255-frames", | |
44 | "rx-64-frames", | |
45 | "rx-65-127-frames", | |
46 | "rx-128-255-frames", | |
47 | "tx-bytes-ok", | |
48 | "tx-pause-frames", | |
49 | "tx-multicast-frames", | |
50 | "tx-broadcast-frames", | |
51 | "rx-frames", | |
52 | "rx-bytes-ok", | |
53 | "rx-bytes-all", | |
54 | "rx-multicast-frames", | |
55 | "rx-broadcast-frames", | |
56 | "stats-counter-carry", | |
57 | "stats-counter-mask", | |
58 | "rx-dropped-frames", | |
59 | }; | |
60 | ||
c84d8055 | 61 | static const char tx_fw_stat_gstrings[][ETH_GSTRING_LEN] = { |
ac421852 LY |
62 | "tx-single-collision", |
63 | "tx-multiple-collision", | |
64 | "tx-late-collsion", | |
65 | "tx-aborted-frames", | |
66 | "tx-lost-frames", | |
67 | "tx-carrier-sense-errors", | |
68 | "tx-frames-ok", | |
69 | "tx-excessive-differ-frames", | |
70 | "tx-256-511-frames", | |
08722bc4 | 71 | "tx-512-1023-frames", |
ac421852 LY |
72 | "tx-1024-1518-frames", |
73 | "tx-jumbo-frames", | |
74 | }; | |
75 | ||
c84d8055 | 76 | static const char rx_fw_stat_gstrings[][ETH_GSTRING_LEN] = { |
ac421852 LY |
77 | "rx-crc-errors", |
78 | "rx-alignment-errors", | |
79 | "rx-in-range-length-errors", | |
80 | "rx-out-of-range-length-errors", | |
81 | "rx-too-long-frames", | |
82 | "rx-runt", | |
83 | "rx-very-long-event", | |
84 | "rx-symbol-errors", | |
85 | "rx-busy-drop-frames", | |
86 | "reserved", | |
87 | "reserved", | |
88 | "rx-mismatch-drop-frames", | |
89 | "rx-small-than-64", | |
90 | "rx-256-511-frames", | |
91 | "rx-512-1023-frames", | |
92 | "rx-1024-1518-frames", | |
93 | "rx-jumbo-frames", | |
94 | "rx-mac-error-loss", | |
95 | "rx-pause-frames", | |
96 | "reserved", | |
97 | "rx-vlan-removed", | |
98 | "rx-vlan-replaced", | |
99 | "rx-vlan-inserted", | |
100 | "rx-ip-checksum-errors", | |
101 | }; | |
102 | ||
103 | #define UEC_HW_STATS_LEN ARRAY_SIZE(hw_stat_gstrings) | |
104 | #define UEC_TX_FW_STATS_LEN ARRAY_SIZE(tx_fw_stat_gstrings) | |
105 | #define UEC_RX_FW_STATS_LEN ARRAY_SIZE(rx_fw_stat_gstrings) | |
106 | ||
ac421852 LY |
107 | static int |
108 | uec_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) | |
109 | { | |
110 | struct ucc_geth_private *ugeth = netdev_priv(netdev); | |
111 | struct phy_device *phydev = ugeth->phydev; | |
112 | struct ucc_geth_info *ug_info = ugeth->ug_info; | |
113 | ||
114 | if (!phydev) | |
115 | return -ENODEV; | |
116 | ||
117 | ecmd->maxtxpkt = 1; | |
118 | ecmd->maxrxpkt = ug_info->interruptcoalescingmaxvalue[0]; | |
119 | ||
120 | return phy_ethtool_gset(phydev, ecmd); | |
121 | } | |
122 | ||
123 | static int | |
124 | uec_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) | |
125 | { | |
126 | struct ucc_geth_private *ugeth = netdev_priv(netdev); | |
127 | struct phy_device *phydev = ugeth->phydev; | |
128 | ||
129 | if (!phydev) | |
130 | return -ENODEV; | |
131 | ||
132 | return phy_ethtool_sset(phydev, ecmd); | |
133 | } | |
134 | ||
135 | static void | |
136 | uec_get_pauseparam(struct net_device *netdev, | |
137 | struct ethtool_pauseparam *pause) | |
138 | { | |
139 | struct ucc_geth_private *ugeth = netdev_priv(netdev); | |
140 | ||
141 | pause->autoneg = ugeth->phydev->autoneg; | |
142 | ||
143 | if (ugeth->ug_info->receiveFlowControl) | |
144 | pause->rx_pause = 1; | |
145 | if (ugeth->ug_info->transmitFlowControl) | |
146 | pause->tx_pause = 1; | |
147 | } | |
148 | ||
149 | static int | |
150 | uec_set_pauseparam(struct net_device *netdev, | |
151 | struct ethtool_pauseparam *pause) | |
152 | { | |
153 | struct ucc_geth_private *ugeth = netdev_priv(netdev); | |
154 | int ret = 0; | |
155 | ||
156 | ugeth->ug_info->receiveFlowControl = pause->rx_pause; | |
157 | ugeth->ug_info->transmitFlowControl = pause->tx_pause; | |
7d2e3cb7 | 158 | |
ac421852 LY |
159 | if (ugeth->phydev->autoneg) { |
160 | if (netif_running(netdev)) { | |
161 | /* FIXME: automatically restart */ | |
c84d8055 | 162 | netdev_info(netdev, "Please re-open the interface\n"); |
ac421852 LY |
163 | } |
164 | } else { | |
165 | struct ucc_geth_info *ug_info = ugeth->ug_info; | |
166 | ||
167 | ret = init_flow_control_params(ug_info->aufc, | |
168 | ug_info->receiveFlowControl, | |
169 | ug_info->transmitFlowControl, | |
170 | ug_info->pausePeriod, | |
171 | ug_info->extensionField, | |
172 | &ugeth->uccf->uf_regs->upsmr, | |
173 | &ugeth->ug_regs->uempr, | |
174 | &ugeth->ug_regs->maccfg1); | |
175 | } | |
176 | ||
177 | return ret; | |
178 | } | |
179 | ||
180 | static uint32_t | |
181 | uec_get_msglevel(struct net_device *netdev) | |
182 | { | |
183 | struct ucc_geth_private *ugeth = netdev_priv(netdev); | |
184 | return ugeth->msg_enable; | |
185 | } | |
186 | ||
187 | static void | |
188 | uec_set_msglevel(struct net_device *netdev, uint32_t data) | |
189 | { | |
190 | struct ucc_geth_private *ugeth = netdev_priv(netdev); | |
191 | ugeth->msg_enable = data; | |
192 | } | |
193 | ||
194 | static int | |
195 | uec_get_regs_len(struct net_device *netdev) | |
196 | { | |
197 | return sizeof(struct ucc_geth); | |
198 | } | |
199 | ||
200 | static void | |
201 | uec_get_regs(struct net_device *netdev, | |
202 | struct ethtool_regs *regs, void *p) | |
203 | { | |
204 | int i; | |
205 | struct ucc_geth_private *ugeth = netdev_priv(netdev); | |
206 | u32 __iomem *ug_regs = (u32 __iomem *)ugeth->ug_regs; | |
207 | u32 *buff = p; | |
208 | ||
209 | for (i = 0; i < sizeof(struct ucc_geth) / sizeof(u32); i++) | |
210 | buff[i] = in_be32(&ug_regs[i]); | |
211 | } | |
212 | ||
213 | static void | |
214 | uec_get_ringparam(struct net_device *netdev, | |
215 | struct ethtool_ringparam *ring) | |
216 | { | |
217 | struct ucc_geth_private *ugeth = netdev_priv(netdev); | |
218 | struct ucc_geth_info *ug_info = ugeth->ug_info; | |
219 | int queue = 0; | |
220 | ||
221 | ring->rx_max_pending = UCC_GETH_BD_RING_SIZE_MAX; | |
222 | ring->rx_mini_max_pending = UCC_GETH_BD_RING_SIZE_MAX; | |
223 | ring->rx_jumbo_max_pending = UCC_GETH_BD_RING_SIZE_MAX; | |
224 | ring->tx_max_pending = UCC_GETH_BD_RING_SIZE_MAX; | |
225 | ||
226 | ring->rx_pending = ug_info->bdRingLenRx[queue]; | |
227 | ring->rx_mini_pending = ug_info->bdRingLenRx[queue]; | |
228 | ring->rx_jumbo_pending = ug_info->bdRingLenRx[queue]; | |
229 | ring->tx_pending = ug_info->bdRingLenTx[queue]; | |
230 | } | |
231 | ||
232 | static int | |
233 | uec_set_ringparam(struct net_device *netdev, | |
234 | struct ethtool_ringparam *ring) | |
235 | { | |
236 | struct ucc_geth_private *ugeth = netdev_priv(netdev); | |
237 | struct ucc_geth_info *ug_info = ugeth->ug_info; | |
238 | int queue = 0, ret = 0; | |
239 | ||
240 | if (ring->rx_pending < UCC_GETH_RX_BD_RING_SIZE_MIN) { | |
c84d8055 JP |
241 | netdev_info(netdev, "RxBD ring size must be no smaller than %d\n", |
242 | UCC_GETH_RX_BD_RING_SIZE_MIN); | |
ac421852 LY |
243 | return -EINVAL; |
244 | } | |
245 | if (ring->rx_pending % UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT) { | |
c84d8055 JP |
246 | netdev_info(netdev, "RxBD ring size must be multiple of %d\n", |
247 | UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT); | |
ac421852 LY |
248 | return -EINVAL; |
249 | } | |
250 | if (ring->tx_pending < UCC_GETH_TX_BD_RING_SIZE_MIN) { | |
c84d8055 JP |
251 | netdev_info(netdev, "TxBD ring size must be no smaller than %d\n", |
252 | UCC_GETH_TX_BD_RING_SIZE_MIN); | |
ac421852 LY |
253 | return -EINVAL; |
254 | } | |
255 | ||
256 | ug_info->bdRingLenRx[queue] = ring->rx_pending; | |
257 | ug_info->bdRingLenTx[queue] = ring->tx_pending; | |
258 | ||
259 | if (netif_running(netdev)) { | |
260 | /* FIXME: restart automatically */ | |
c84d8055 | 261 | netdev_info(netdev, "Please re-open the interface\n"); |
ac421852 LY |
262 | } |
263 | ||
264 | return ret; | |
265 | } | |
266 | ||
b9f2c044 | 267 | static int uec_get_sset_count(struct net_device *netdev, int sset) |
ac421852 LY |
268 | { |
269 | struct ucc_geth_private *ugeth = netdev_priv(netdev); | |
270 | u32 stats_mode = ugeth->ug_info->statisticsMode; | |
271 | int len = 0; | |
272 | ||
b9f2c044 JG |
273 | switch (sset) { |
274 | case ETH_SS_STATS: | |
275 | if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE) | |
276 | len += UEC_HW_STATS_LEN; | |
277 | if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX) | |
278 | len += UEC_TX_FW_STATS_LEN; | |
279 | if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX) | |
280 | len += UEC_RX_FW_STATS_LEN; | |
281 | ||
282 | return len; | |
ac421852 | 283 | |
b9f2c044 JG |
284 | default: |
285 | return -EOPNOTSUPP; | |
286 | } | |
ac421852 LY |
287 | } |
288 | ||
289 | static void uec_get_strings(struct net_device *netdev, u32 stringset, u8 *buf) | |
290 | { | |
291 | struct ucc_geth_private *ugeth = netdev_priv(netdev); | |
292 | u32 stats_mode = ugeth->ug_info->statisticsMode; | |
293 | ||
294 | if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE) { | |
295 | memcpy(buf, hw_stat_gstrings, UEC_HW_STATS_LEN * | |
296 | ETH_GSTRING_LEN); | |
297 | buf += UEC_HW_STATS_LEN * ETH_GSTRING_LEN; | |
298 | } | |
299 | if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX) { | |
300 | memcpy(buf, tx_fw_stat_gstrings, UEC_TX_FW_STATS_LEN * | |
301 | ETH_GSTRING_LEN); | |
302 | buf += UEC_TX_FW_STATS_LEN * ETH_GSTRING_LEN; | |
303 | } | |
304 | if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX) | |
25f03dcf | 305 | memcpy(buf, rx_fw_stat_gstrings, UEC_RX_FW_STATS_LEN * |
ac421852 LY |
306 | ETH_GSTRING_LEN); |
307 | } | |
308 | ||
309 | static void uec_get_ethtool_stats(struct net_device *netdev, | |
310 | struct ethtool_stats *stats, uint64_t *data) | |
311 | { | |
312 | struct ucc_geth_private *ugeth = netdev_priv(netdev); | |
313 | u32 stats_mode = ugeth->ug_info->statisticsMode; | |
314 | u32 __iomem *base; | |
315 | int i, j = 0; | |
316 | ||
317 | if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE) { | |
e0ad2cd8 AV |
318 | if (ugeth->ug_regs) |
319 | base = (u32 __iomem *)&ugeth->ug_regs->tx64; | |
320 | else | |
321 | base = NULL; | |
322 | ||
ac421852 | 323 | for (i = 0; i < UEC_HW_STATS_LEN; i++) |
e0ad2cd8 | 324 | data[j++] = base ? in_be32(&base[i]) : 0; |
ac421852 LY |
325 | } |
326 | if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX) { | |
327 | base = (u32 __iomem *)ugeth->p_tx_fw_statistics_pram; | |
328 | for (i = 0; i < UEC_TX_FW_STATS_LEN; i++) | |
18acfa25 | 329 | data[j++] = base ? in_be32(&base[i]) : 0; |
ac421852 LY |
330 | } |
331 | if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX) { | |
332 | base = (u32 __iomem *)ugeth->p_rx_fw_statistics_pram; | |
333 | for (i = 0; i < UEC_RX_FW_STATS_LEN; i++) | |
18acfa25 | 334 | data[j++] = base ? in_be32(&base[i]) : 0; |
ac421852 LY |
335 | } |
336 | } | |
337 | ||
338 | static int uec_nway_reset(struct net_device *netdev) | |
339 | { | |
340 | struct ucc_geth_private *ugeth = netdev_priv(netdev); | |
341 | ||
342 | return phy_start_aneg(ugeth->phydev); | |
343 | } | |
344 | ||
345 | /* Report driver information */ | |
346 | static void | |
347 | uec_get_drvinfo(struct net_device *netdev, | |
348 | struct ethtool_drvinfo *drvinfo) | |
349 | { | |
7826d43f JP |
350 | strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver)); |
351 | strlcpy(drvinfo->version, DRV_VERSION, sizeof(drvinfo->version)); | |
352 | strlcpy(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version)); | |
353 | strlcpy(drvinfo->bus_info, "QUICC ENGINE", sizeof(drvinfo->bus_info)); | |
ac421852 LY |
354 | drvinfo->eedump_len = 0; |
355 | drvinfo->regdump_len = uec_get_regs_len(netdev); | |
356 | } | |
357 | ||
2394905f AV |
358 | #ifdef CONFIG_PM |
359 | ||
360 | static void uec_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) | |
361 | { | |
362 | struct ucc_geth_private *ugeth = netdev_priv(netdev); | |
363 | struct phy_device *phydev = ugeth->phydev; | |
364 | ||
365 | if (phydev && phydev->irq) | |
366 | wol->supported |= WAKE_PHY; | |
367 | if (qe_alive_during_sleep()) | |
368 | wol->supported |= WAKE_MAGIC; | |
369 | ||
370 | wol->wolopts = ugeth->wol_en; | |
371 | } | |
372 | ||
373 | static int uec_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) | |
374 | { | |
375 | struct ucc_geth_private *ugeth = netdev_priv(netdev); | |
376 | struct phy_device *phydev = ugeth->phydev; | |
377 | ||
378 | if (wol->wolopts & ~(WAKE_PHY | WAKE_MAGIC)) | |
379 | return -EINVAL; | |
380 | else if (wol->wolopts & WAKE_PHY && (!phydev || !phydev->irq)) | |
381 | return -EINVAL; | |
382 | else if (wol->wolopts & WAKE_MAGIC && !qe_alive_during_sleep()) | |
383 | return -EINVAL; | |
384 | ||
385 | ugeth->wol_en = wol->wolopts; | |
386 | device_set_wakeup_enable(&netdev->dev, ugeth->wol_en); | |
387 | ||
388 | return 0; | |
389 | } | |
390 | ||
391 | #else | |
392 | #define uec_get_wol NULL | |
393 | #define uec_set_wol NULL | |
394 | #endif /* CONFIG_PM */ | |
395 | ||
ac421852 LY |
396 | static const struct ethtool_ops uec_ethtool_ops = { |
397 | .get_settings = uec_get_settings, | |
398 | .set_settings = uec_set_settings, | |
399 | .get_drvinfo = uec_get_drvinfo, | |
400 | .get_regs_len = uec_get_regs_len, | |
401 | .get_regs = uec_get_regs, | |
402 | .get_msglevel = uec_get_msglevel, | |
403 | .set_msglevel = uec_set_msglevel, | |
404 | .nway_reset = uec_nway_reset, | |
405 | .get_link = ethtool_op_get_link, | |
406 | .get_ringparam = uec_get_ringparam, | |
407 | .set_ringparam = uec_set_ringparam, | |
408 | .get_pauseparam = uec_get_pauseparam, | |
409 | .set_pauseparam = uec_set_pauseparam, | |
b9f2c044 | 410 | .get_sset_count = uec_get_sset_count, |
ac421852 LY |
411 | .get_strings = uec_get_strings, |
412 | .get_ethtool_stats = uec_get_ethtool_stats, | |
2394905f AV |
413 | .get_wol = uec_get_wol, |
414 | .set_wol = uec_set_wol, | |
e117d6dd | 415 | .get_ts_info = ethtool_op_get_ts_info, |
ac421852 LY |
416 | }; |
417 | ||
418 | void uec_set_ethtool_ops(struct net_device *netdev) | |
419 | { | |
7ad24ea4 | 420 | netdev->ethtool_ops = &uec_ethtool_ops; |
ac421852 | 421 | } |