Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * drivers/net/gianfar_ethtool.c | |
3 | * | |
4 | * Gianfar Ethernet Driver | |
5 | * Ethtool support for Gianfar Enet | |
6 | * Based on e1000 ethtool support | |
7 | * | |
8 | * Author: Andy Fleming | |
4c8d3d99 | 9 | * Maintainer: Kumar Gala |
1da177e4 LT |
10 | * |
11 | * Copyright (c) 2003,2004 Freescale Semiconductor, Inc. | |
12 | * | |
6aa20a22 JG |
13 | * This software may be used and distributed according to |
14 | * the terms of the GNU Public License, Version 2, incorporated herein | |
1da177e4 LT |
15 | * by reference. |
16 | */ | |
17 | ||
1da177e4 | 18 | #include <linux/kernel.h> |
1da177e4 LT |
19 | #include <linux/string.h> |
20 | #include <linux/errno.h> | |
21 | #include <linux/slab.h> | |
22 | #include <linux/interrupt.h> | |
23 | #include <linux/init.h> | |
24 | #include <linux/delay.h> | |
25 | #include <linux/netdevice.h> | |
26 | #include <linux/etherdevice.h> | |
27 | #include <linux/skbuff.h> | |
28 | #include <linux/spinlock.h> | |
29 | #include <linux/mm.h> | |
30 | ||
31 | #include <asm/io.h> | |
32 | #include <asm/irq.h> | |
33 | #include <asm/uaccess.h> | |
34 | #include <linux/module.h> | |
1da177e4 LT |
35 | #include <linux/crc32.h> |
36 | #include <asm/types.h> | |
1da177e4 | 37 | #include <linux/ethtool.h> |
bb40dcbb AF |
38 | #include <linux/mii.h> |
39 | #include <linux/phy.h> | |
1da177e4 LT |
40 | |
41 | #include "gianfar.h" | |
42 | ||
0bbaf069 KG |
43 | extern void gfar_start(struct net_device *dev); |
44 | extern int gfar_clean_rx_ring(struct net_device *dev, int rx_work_limit); | |
1da177e4 | 45 | |
bb40dcbb AF |
46 | #define GFAR_MAX_COAL_USECS 0xffff |
47 | #define GFAR_MAX_COAL_FRAMES 0xff | |
0bbaf069 | 48 | static void gfar_fill_stats(struct net_device *dev, struct ethtool_stats *dummy, |
1da177e4 | 49 | u64 * buf); |
0bbaf069 KG |
50 | static void gfar_gstrings(struct net_device *dev, u32 stringset, u8 * buf); |
51 | static int gfar_gcoalesce(struct net_device *dev, struct ethtool_coalesce *cvals); | |
52 | static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals); | |
53 | static void gfar_gringparam(struct net_device *dev, struct ethtool_ringparam *rvals); | |
54 | static int gfar_sringparam(struct net_device *dev, struct ethtool_ringparam *rvals); | |
55 | static void gfar_gdrvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo); | |
1da177e4 LT |
56 | |
57 | static char stat_gstrings[][ETH_GSTRING_LEN] = { | |
58 | "rx-dropped-by-kernel", | |
59 | "rx-large-frame-errors", | |
60 | "rx-short-frame-errors", | |
61 | "rx-non-octet-errors", | |
62 | "rx-crc-errors", | |
63 | "rx-overrun-errors", | |
64 | "rx-busy-errors", | |
65 | "rx-babbling-errors", | |
66 | "rx-truncated-frames", | |
67 | "ethernet-bus-error", | |
68 | "tx-babbling-errors", | |
69 | "tx-underrun-errors", | |
70 | "rx-skb-missing-errors", | |
71 | "tx-timeout-errors", | |
72 | "tx-rx-64-frames", | |
73 | "tx-rx-65-127-frames", | |
74 | "tx-rx-128-255-frames", | |
75 | "tx-rx-256-511-frames", | |
76 | "tx-rx-512-1023-frames", | |
77 | "tx-rx-1024-1518-frames", | |
78 | "tx-rx-1519-1522-good-vlan", | |
79 | "rx-bytes", | |
80 | "rx-packets", | |
81 | "rx-fcs-errors", | |
82 | "receive-multicast-packet", | |
83 | "receive-broadcast-packet", | |
84 | "rx-control-frame-packets", | |
85 | "rx-pause-frame-packets", | |
86 | "rx-unknown-op-code", | |
87 | "rx-alignment-error", | |
88 | "rx-frame-length-error", | |
89 | "rx-code-error", | |
90 | "rx-carrier-sense-error", | |
91 | "rx-undersize-packets", | |
92 | "rx-oversize-packets", | |
93 | "rx-fragmented-frames", | |
94 | "rx-jabber-frames", | |
95 | "rx-dropped-frames", | |
96 | "tx-byte-counter", | |
97 | "tx-packets", | |
98 | "tx-multicast-packets", | |
99 | "tx-broadcast-packets", | |
100 | "tx-pause-control-frames", | |
101 | "tx-deferral-packets", | |
102 | "tx-excessive-deferral-packets", | |
103 | "tx-single-collision-packets", | |
104 | "tx-multiple-collision-packets", | |
105 | "tx-late-collision-packets", | |
106 | "tx-excessive-collision-packets", | |
107 | "tx-total-collision", | |
108 | "reserved", | |
109 | "tx-dropped-frames", | |
110 | "tx-jabber-frames", | |
111 | "tx-fcs-errors", | |
112 | "tx-control-frames", | |
113 | "tx-oversize-frames", | |
114 | "tx-undersize-frames", | |
115 | "tx-fragmented-frames", | |
116 | }; | |
117 | ||
0bbaf069 KG |
118 | /* Fill in a buffer with the strings which correspond to the |
119 | * stats */ | |
120 | static void gfar_gstrings(struct net_device *dev, u32 stringset, u8 * buf) | |
121 | { | |
122 | struct gfar_private *priv = netdev_priv(dev); | |
7f7f5316 | 123 | |
b31a1d8b | 124 | if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON) |
0bbaf069 KG |
125 | memcpy(buf, stat_gstrings, GFAR_STATS_LEN * ETH_GSTRING_LEN); |
126 | else | |
127 | memcpy(buf, stat_gstrings, | |
128 | GFAR_EXTRA_STATS_LEN * ETH_GSTRING_LEN); | |
129 | } | |
130 | ||
1da177e4 LT |
131 | /* Fill in an array of 64-bit statistics from various sources. |
132 | * This array will be appended to the end of the ethtool_stats | |
133 | * structure, and returned to user space | |
134 | */ | |
0bbaf069 | 135 | static void gfar_fill_stats(struct net_device *dev, struct ethtool_stats *dummy, u64 * buf) |
1da177e4 LT |
136 | { |
137 | int i; | |
138 | struct gfar_private *priv = netdev_priv(dev); | |
1da177e4 | 139 | u64 *extra = (u64 *) & priv->extra_stats; |
1da177e4 | 140 | |
b31a1d8b | 141 | if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON) { |
cc8c6e37 | 142 | u32 __iomem *rmon = (u32 __iomem *) & priv->regs->rmon; |
0bbaf069 | 143 | struct gfar_stats *stats = (struct gfar_stats *) buf; |
1da177e4 | 144 | |
0bbaf069 | 145 | for (i = 0; i < GFAR_RMON_LEN; i++) |
cc8c6e37 | 146 | stats->rmon[i] = (u64) gfar_read(&rmon[i]); |
1da177e4 | 147 | |
0bbaf069 KG |
148 | for (i = 0; i < GFAR_EXTRA_STATS_LEN; i++) |
149 | stats->extra[i] = extra[i]; | |
150 | } else | |
151 | for (i = 0; i < GFAR_EXTRA_STATS_LEN; i++) | |
152 | buf[i] = extra[i]; | |
1da177e4 LT |
153 | } |
154 | ||
b9f2c044 | 155 | static int gfar_sset_count(struct net_device *dev, int sset) |
1da177e4 | 156 | { |
1da177e4 | 157 | struct gfar_private *priv = netdev_priv(dev); |
1da177e4 | 158 | |
b9f2c044 JG |
159 | switch (sset) { |
160 | case ETH_SS_STATS: | |
b31a1d8b | 161 | if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON) |
b9f2c044 JG |
162 | return GFAR_STATS_LEN; |
163 | else | |
164 | return GFAR_EXTRA_STATS_LEN; | |
165 | default: | |
166 | return -EOPNOTSUPP; | |
167 | } | |
1da177e4 LT |
168 | } |
169 | ||
1da177e4 | 170 | /* Fills in the drvinfo structure with some basic info */ |
0bbaf069 | 171 | static void gfar_gdrvinfo(struct net_device *dev, struct |
1da177e4 LT |
172 | ethtool_drvinfo *drvinfo) |
173 | { | |
174 | strncpy(drvinfo->driver, DRV_NAME, GFAR_INFOSTR_LEN); | |
175 | strncpy(drvinfo->version, gfar_driver_version, GFAR_INFOSTR_LEN); | |
176 | strncpy(drvinfo->fw_version, "N/A", GFAR_INFOSTR_LEN); | |
177 | strncpy(drvinfo->bus_info, "N/A", GFAR_INFOSTR_LEN); | |
1da177e4 LT |
178 | drvinfo->regdump_len = 0; |
179 | drvinfo->eedump_len = 0; | |
180 | } | |
181 | ||
bb40dcbb AF |
182 | |
183 | static int gfar_ssettings(struct net_device *dev, struct ethtool_cmd *cmd) | |
184 | { | |
185 | struct gfar_private *priv = netdev_priv(dev); | |
186 | struct phy_device *phydev = priv->phydev; | |
187 | ||
188 | if (NULL == phydev) | |
189 | return -ENODEV; | |
190 | ||
191 | return phy_ethtool_sset(phydev, cmd); | |
192 | } | |
193 | ||
194 | ||
1da177e4 | 195 | /* Return the current settings in the ethtool_cmd structure */ |
0bbaf069 | 196 | static int gfar_gsettings(struct net_device *dev, struct ethtool_cmd *cmd) |
1da177e4 LT |
197 | { |
198 | struct gfar_private *priv = netdev_priv(dev); | |
bb40dcbb AF |
199 | struct phy_device *phydev = priv->phydev; |
200 | ||
201 | if (NULL == phydev) | |
202 | return -ENODEV; | |
6aa20a22 | 203 | |
b46a8454 DH |
204 | cmd->maxtxpkt = get_icft_value(priv->txic); |
205 | cmd->maxrxpkt = get_icft_value(priv->rxic); | |
1da177e4 | 206 | |
bb40dcbb | 207 | return phy_ethtool_gset(phydev, cmd); |
1da177e4 LT |
208 | } |
209 | ||
210 | /* Return the length of the register structure */ | |
0bbaf069 | 211 | static int gfar_reglen(struct net_device *dev) |
1da177e4 LT |
212 | { |
213 | return sizeof (struct gfar); | |
214 | } | |
215 | ||
216 | /* Return a dump of the GFAR register space */ | |
0bbaf069 | 217 | static void gfar_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *regbuf) |
1da177e4 LT |
218 | { |
219 | int i; | |
220 | struct gfar_private *priv = netdev_priv(dev); | |
cc8c6e37 | 221 | u32 __iomem *theregs = (u32 __iomem *) priv->regs; |
1da177e4 LT |
222 | u32 *buf = (u32 *) regbuf; |
223 | ||
224 | for (i = 0; i < sizeof (struct gfar) / sizeof (u32); i++) | |
cc8c6e37 | 225 | buf[i] = gfar_read(&theregs[i]); |
1da177e4 LT |
226 | } |
227 | ||
1da177e4 LT |
228 | /* Convert microseconds to ethernet clock ticks, which changes |
229 | * depending on what speed the controller is running at */ | |
230 | static unsigned int gfar_usecs2ticks(struct gfar_private *priv, unsigned int usecs) | |
231 | { | |
232 | unsigned int count; | |
233 | ||
234 | /* The timer is different, depending on the interface speed */ | |
bb40dcbb AF |
235 | switch (priv->phydev->speed) { |
236 | case SPEED_1000: | |
1da177e4 LT |
237 | count = GFAR_GBIT_TIME; |
238 | break; | |
bb40dcbb | 239 | case SPEED_100: |
1da177e4 LT |
240 | count = GFAR_100_TIME; |
241 | break; | |
bb40dcbb | 242 | case SPEED_10: |
1da177e4 LT |
243 | default: |
244 | count = GFAR_10_TIME; | |
245 | break; | |
246 | } | |
247 | ||
248 | /* Make sure we return a number greater than 0 | |
249 | * if usecs > 0 */ | |
250 | return ((usecs * 1000 + count - 1) / count); | |
251 | } | |
252 | ||
253 | /* Convert ethernet clock ticks to microseconds */ | |
254 | static unsigned int gfar_ticks2usecs(struct gfar_private *priv, unsigned int ticks) | |
255 | { | |
256 | unsigned int count; | |
257 | ||
258 | /* The timer is different, depending on the interface speed */ | |
bb40dcbb AF |
259 | switch (priv->phydev->speed) { |
260 | case SPEED_1000: | |
1da177e4 LT |
261 | count = GFAR_GBIT_TIME; |
262 | break; | |
bb40dcbb | 263 | case SPEED_100: |
1da177e4 LT |
264 | count = GFAR_100_TIME; |
265 | break; | |
bb40dcbb | 266 | case SPEED_10: |
1da177e4 LT |
267 | default: |
268 | count = GFAR_10_TIME; | |
269 | break; | |
270 | } | |
271 | ||
272 | /* Make sure we return a number greater than 0 */ | |
273 | /* if ticks is > 0 */ | |
274 | return ((ticks * count) / 1000); | |
275 | } | |
276 | ||
277 | /* Get the coalescing parameters, and put them in the cvals | |
278 | * structure. */ | |
0bbaf069 | 279 | static int gfar_gcoalesce(struct net_device *dev, struct ethtool_coalesce *cvals) |
1da177e4 LT |
280 | { |
281 | struct gfar_private *priv = netdev_priv(dev); | |
b46a8454 DH |
282 | unsigned long rxtime; |
283 | unsigned long rxcount; | |
284 | unsigned long txtime; | |
285 | unsigned long txcount; | |
6aa20a22 | 286 | |
b31a1d8b | 287 | if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_COALESCE)) |
0bbaf069 | 288 | return -EOPNOTSUPP; |
1da177e4 | 289 | |
bb40dcbb AF |
290 | if (NULL == priv->phydev) |
291 | return -ENODEV; | |
292 | ||
b46a8454 DH |
293 | rxtime = get_ictt_value(priv->rxic); |
294 | rxcount = get_icft_value(priv->rxic); | |
295 | txtime = get_ictt_value(priv->txic); | |
296 | txcount = get_icft_value(priv->txic);; | |
297 | cvals->rx_coalesce_usecs = gfar_ticks2usecs(priv, rxtime); | |
298 | cvals->rx_max_coalesced_frames = rxcount; | |
1da177e4 | 299 | |
b46a8454 DH |
300 | cvals->tx_coalesce_usecs = gfar_ticks2usecs(priv, txtime); |
301 | cvals->tx_max_coalesced_frames = txcount; | |
1da177e4 LT |
302 | |
303 | cvals->use_adaptive_rx_coalesce = 0; | |
304 | cvals->use_adaptive_tx_coalesce = 0; | |
305 | ||
306 | cvals->pkt_rate_low = 0; | |
307 | cvals->rx_coalesce_usecs_low = 0; | |
308 | cvals->rx_max_coalesced_frames_low = 0; | |
309 | cvals->tx_coalesce_usecs_low = 0; | |
310 | cvals->tx_max_coalesced_frames_low = 0; | |
311 | ||
312 | /* When the packet rate is below pkt_rate_high but above | |
313 | * pkt_rate_low (both measured in packets per second) the | |
314 | * normal {rx,tx}_* coalescing parameters are used. | |
315 | */ | |
316 | ||
317 | /* When the packet rate is (measured in packets per second) | |
318 | * is above pkt_rate_high, the {rx,tx}_*_high parameters are | |
319 | * used. | |
320 | */ | |
321 | cvals->pkt_rate_high = 0; | |
322 | cvals->rx_coalesce_usecs_high = 0; | |
323 | cvals->rx_max_coalesced_frames_high = 0; | |
324 | cvals->tx_coalesce_usecs_high = 0; | |
325 | cvals->tx_max_coalesced_frames_high = 0; | |
326 | ||
327 | /* How often to do adaptive coalescing packet rate sampling, | |
328 | * measured in seconds. Must not be zero. | |
329 | */ | |
330 | cvals->rate_sample_interval = 0; | |
331 | ||
332 | return 0; | |
333 | } | |
334 | ||
335 | /* Change the coalescing values. | |
336 | * Both cvals->*_usecs and cvals->*_frames have to be > 0 | |
337 | * in order for coalescing to be active | |
338 | */ | |
0bbaf069 | 339 | static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals) |
1da177e4 LT |
340 | { |
341 | struct gfar_private *priv = netdev_priv(dev); | |
342 | ||
b31a1d8b | 343 | if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_COALESCE)) |
0bbaf069 KG |
344 | return -EOPNOTSUPP; |
345 | ||
1da177e4 LT |
346 | /* Set up rx coalescing */ |
347 | if ((cvals->rx_coalesce_usecs == 0) || | |
348 | (cvals->rx_max_coalesced_frames == 0)) | |
349 | priv->rxcoalescing = 0; | |
350 | else | |
351 | priv->rxcoalescing = 1; | |
352 | ||
bb40dcbb AF |
353 | if (NULL == priv->phydev) |
354 | return -ENODEV; | |
355 | ||
356 | /* Check the bounds of the values */ | |
357 | if (cvals->rx_coalesce_usecs > GFAR_MAX_COAL_USECS) { | |
358 | pr_info("Coalescing is limited to %d microseconds\n", | |
359 | GFAR_MAX_COAL_USECS); | |
360 | return -EINVAL; | |
361 | } | |
362 | ||
363 | if (cvals->rx_max_coalesced_frames > GFAR_MAX_COAL_FRAMES) { | |
364 | pr_info("Coalescing is limited to %d frames\n", | |
365 | GFAR_MAX_COAL_FRAMES); | |
366 | return -EINVAL; | |
367 | } | |
368 | ||
accff95c JW |
369 | priv->rxic = mk_ic_value(cvals->rx_max_coalesced_frames, |
370 | gfar_usecs2ticks(priv, cvals->rx_coalesce_usecs)); | |
1da177e4 LT |
371 | |
372 | /* Set up tx coalescing */ | |
373 | if ((cvals->tx_coalesce_usecs == 0) || | |
374 | (cvals->tx_max_coalesced_frames == 0)) | |
375 | priv->txcoalescing = 0; | |
376 | else | |
377 | priv->txcoalescing = 1; | |
378 | ||
bb40dcbb AF |
379 | /* Check the bounds of the values */ |
380 | if (cvals->tx_coalesce_usecs > GFAR_MAX_COAL_USECS) { | |
381 | pr_info("Coalescing is limited to %d microseconds\n", | |
382 | GFAR_MAX_COAL_USECS); | |
383 | return -EINVAL; | |
384 | } | |
385 | ||
386 | if (cvals->tx_max_coalesced_frames > GFAR_MAX_COAL_FRAMES) { | |
387 | pr_info("Coalescing is limited to %d frames\n", | |
388 | GFAR_MAX_COAL_FRAMES); | |
389 | return -EINVAL; | |
390 | } | |
391 | ||
accff95c JW |
392 | priv->txic = mk_ic_value(cvals->tx_max_coalesced_frames, |
393 | gfar_usecs2ticks(priv, cvals->tx_coalesce_usecs)); | |
1da177e4 | 394 | |
b46a8454 | 395 | gfar_write(&priv->regs->rxic, 0); |
1da177e4 | 396 | if (priv->rxcoalescing) |
b46a8454 | 397 | gfar_write(&priv->regs->rxic, priv->rxic); |
1da177e4 | 398 | |
b46a8454 | 399 | gfar_write(&priv->regs->txic, 0); |
1da177e4 | 400 | if (priv->txcoalescing) |
b46a8454 | 401 | gfar_write(&priv->regs->txic, priv->txic); |
1da177e4 LT |
402 | |
403 | return 0; | |
404 | } | |
405 | ||
406 | /* Fills in rvals with the current ring parameters. Currently, | |
407 | * rx, rx_mini, and rx_jumbo rings are the same size, as mini and | |
408 | * jumbo are ignored by the driver */ | |
0bbaf069 | 409 | static void gfar_gringparam(struct net_device *dev, struct ethtool_ringparam *rvals) |
1da177e4 LT |
410 | { |
411 | struct gfar_private *priv = netdev_priv(dev); | |
412 | ||
413 | rvals->rx_max_pending = GFAR_RX_MAX_RING_SIZE; | |
414 | rvals->rx_mini_max_pending = GFAR_RX_MAX_RING_SIZE; | |
415 | rvals->rx_jumbo_max_pending = GFAR_RX_MAX_RING_SIZE; | |
416 | rvals->tx_max_pending = GFAR_TX_MAX_RING_SIZE; | |
417 | ||
418 | /* Values changeable by the user. The valid values are | |
419 | * in the range 1 to the "*_max_pending" counterpart above. | |
420 | */ | |
421 | rvals->rx_pending = priv->rx_ring_size; | |
422 | rvals->rx_mini_pending = priv->rx_ring_size; | |
423 | rvals->rx_jumbo_pending = priv->rx_ring_size; | |
424 | rvals->tx_pending = priv->tx_ring_size; | |
425 | } | |
426 | ||
427 | /* Change the current ring parameters, stopping the controller if | |
428 | * necessary so that we don't mess things up while we're in | |
429 | * motion. We wait for the ring to be clean before reallocating | |
430 | * the rings. */ | |
0bbaf069 | 431 | static int gfar_sringparam(struct net_device *dev, struct ethtool_ringparam *rvals) |
1da177e4 | 432 | { |
1da177e4 LT |
433 | struct gfar_private *priv = netdev_priv(dev); |
434 | int err = 0; | |
435 | ||
436 | if (rvals->rx_pending > GFAR_RX_MAX_RING_SIZE) | |
437 | return -EINVAL; | |
438 | ||
439 | if (!is_power_of_2(rvals->rx_pending)) { | |
440 | printk("%s: Ring sizes must be a power of 2\n", | |
441 | dev->name); | |
442 | return -EINVAL; | |
443 | } | |
444 | ||
445 | if (rvals->tx_pending > GFAR_TX_MAX_RING_SIZE) | |
446 | return -EINVAL; | |
447 | ||
448 | if (!is_power_of_2(rvals->tx_pending)) { | |
449 | printk("%s: Ring sizes must be a power of 2\n", | |
450 | dev->name); | |
451 | return -EINVAL; | |
452 | } | |
453 | ||
0bbaf069 KG |
454 | if (dev->flags & IFF_UP) { |
455 | unsigned long flags; | |
1da177e4 | 456 | |
0bbaf069 KG |
457 | /* Halt TX and RX, and process the frames which |
458 | * have already been received */ | |
fef6108d AF |
459 | spin_lock_irqsave(&priv->txlock, flags); |
460 | spin_lock(&priv->rxlock); | |
461 | ||
0bbaf069 | 462 | gfar_halt(dev); |
fef6108d AF |
463 | |
464 | spin_unlock(&priv->rxlock); | |
465 | spin_unlock_irqrestore(&priv->txlock, flags); | |
1da177e4 | 466 | |
12dea57b DH |
467 | gfar_clean_rx_ring(dev, priv->rx_ring_size); |
468 | ||
0bbaf069 KG |
469 | /* Now we take down the rings to rebuild them */ |
470 | stop_gfar(dev); | |
471 | } | |
1da177e4 | 472 | |
0bbaf069 KG |
473 | /* Change the size */ |
474 | priv->rx_ring_size = rvals->rx_pending; | |
475 | priv->tx_ring_size = rvals->tx_pending; | |
4669bc90 | 476 | priv->num_txbdfree = priv->tx_ring_size; |
1da177e4 | 477 | |
0bbaf069 | 478 | /* Rebuild the rings with the new size */ |
12dea57b | 479 | if (dev->flags & IFF_UP) { |
0bbaf069 | 480 | err = startup_gfar(dev); |
12dea57b DH |
481 | netif_wake_queue(dev); |
482 | } | |
0bbaf069 KG |
483 | return err; |
484 | } | |
1da177e4 | 485 | |
0bbaf069 KG |
486 | static int gfar_set_rx_csum(struct net_device *dev, uint32_t data) |
487 | { | |
488 | struct gfar_private *priv = netdev_priv(dev); | |
d87eb127 | 489 | unsigned long flags; |
0bbaf069 | 490 | int err = 0; |
1da177e4 | 491 | |
b31a1d8b | 492 | if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_CSUM)) |
0bbaf069 KG |
493 | return -EOPNOTSUPP; |
494 | ||
495 | if (dev->flags & IFF_UP) { | |
0bbaf069 KG |
496 | /* Halt TX and RX, and process the frames which |
497 | * have already been received */ | |
fef6108d AF |
498 | spin_lock_irqsave(&priv->txlock, flags); |
499 | spin_lock(&priv->rxlock); | |
500 | ||
0bbaf069 | 501 | gfar_halt(dev); |
fef6108d AF |
502 | |
503 | spin_unlock(&priv->rxlock); | |
504 | spin_unlock_irqrestore(&priv->txlock, flags); | |
0bbaf069 | 505 | |
12dea57b DH |
506 | gfar_clean_rx_ring(dev, priv->rx_ring_size); |
507 | ||
0bbaf069 | 508 | /* Now we take down the rings to rebuild them */ |
1da177e4 LT |
509 | stop_gfar(dev); |
510 | } | |
511 | ||
d87eb127 | 512 | spin_lock_irqsave(&priv->bflock, flags); |
0bbaf069 | 513 | priv->rx_csum_enable = data; |
d87eb127 | 514 | spin_unlock_irqrestore(&priv->bflock, flags); |
1da177e4 | 515 | |
12dea57b | 516 | if (dev->flags & IFF_UP) { |
1da177e4 | 517 | err = startup_gfar(dev); |
12dea57b DH |
518 | netif_wake_queue(dev); |
519 | } | |
1da177e4 LT |
520 | return err; |
521 | } | |
522 | ||
0bbaf069 KG |
523 | static uint32_t gfar_get_rx_csum(struct net_device *dev) |
524 | { | |
525 | struct gfar_private *priv = netdev_priv(dev); | |
526 | ||
b31a1d8b | 527 | if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_CSUM)) |
0bbaf069 KG |
528 | return 0; |
529 | ||
530 | return priv->rx_csum_enable; | |
531 | } | |
532 | ||
533 | static int gfar_set_tx_csum(struct net_device *dev, uint32_t data) | |
534 | { | |
0bbaf069 KG |
535 | struct gfar_private *priv = netdev_priv(dev); |
536 | ||
b31a1d8b | 537 | if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_CSUM)) |
0bbaf069 KG |
538 | return -EOPNOTSUPP; |
539 | ||
12dea57b | 540 | netif_tx_lock_bh(dev); |
0bbaf069 KG |
541 | |
542 | if (data) | |
543 | dev->features |= NETIF_F_IP_CSUM; | |
544 | else | |
545 | dev->features &= ~NETIF_F_IP_CSUM; | |
546 | ||
12dea57b | 547 | netif_tx_unlock_bh(dev); |
0bbaf069 KG |
548 | |
549 | return 0; | |
550 | } | |
551 | ||
552 | static uint32_t gfar_get_tx_csum(struct net_device *dev) | |
553 | { | |
554 | struct gfar_private *priv = netdev_priv(dev); | |
555 | ||
b31a1d8b | 556 | if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_CSUM)) |
0bbaf069 KG |
557 | return 0; |
558 | ||
559 | return (dev->features & NETIF_F_IP_CSUM) != 0; | |
560 | } | |
561 | ||
562 | static uint32_t gfar_get_msglevel(struct net_device *dev) | |
6aa20a22 | 563 | { |
0bbaf069 KG |
564 | struct gfar_private *priv = netdev_priv(dev); |
565 | return priv->msg_enable; | |
6aa20a22 JG |
566 | } |
567 | ||
0bbaf069 | 568 | static void gfar_set_msglevel(struct net_device *dev, uint32_t data) |
6aa20a22 | 569 | { |
0bbaf069 KG |
570 | struct gfar_private *priv = netdev_priv(dev); |
571 | priv->msg_enable = data; | |
572 | } | |
573 | ||
d87eb127 SW |
574 | #ifdef CONFIG_PM |
575 | static void gfar_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) | |
576 | { | |
577 | struct gfar_private *priv = netdev_priv(dev); | |
578 | ||
b31a1d8b | 579 | if (priv->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET) { |
d87eb127 SW |
580 | wol->supported = WAKE_MAGIC; |
581 | wol->wolopts = priv->wol_en ? WAKE_MAGIC : 0; | |
582 | } else { | |
583 | wol->supported = wol->wolopts = 0; | |
584 | } | |
585 | } | |
586 | ||
587 | static int gfar_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) | |
588 | { | |
589 | struct gfar_private *priv = netdev_priv(dev); | |
590 | unsigned long flags; | |
591 | ||
b31a1d8b | 592 | if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET) && |
d87eb127 SW |
593 | wol->wolopts != 0) |
594 | return -EINVAL; | |
595 | ||
596 | if (wol->wolopts & ~WAKE_MAGIC) | |
597 | return -EINVAL; | |
598 | ||
599 | spin_lock_irqsave(&priv->bflock, flags); | |
600 | priv->wol_en = wol->wolopts & WAKE_MAGIC ? 1 : 0; | |
2884e5cc | 601 | device_set_wakeup_enable(&dev->dev, priv->wol_en); |
d87eb127 SW |
602 | spin_unlock_irqrestore(&priv->bflock, flags); |
603 | ||
604 | return 0; | |
605 | } | |
606 | #endif | |
0bbaf069 | 607 | |
7282d491 | 608 | const struct ethtool_ops gfar_ethtool_ops = { |
1da177e4 | 609 | .get_settings = gfar_gsettings, |
bb40dcbb | 610 | .set_settings = gfar_ssettings, |
1da177e4 LT |
611 | .get_drvinfo = gfar_gdrvinfo, |
612 | .get_regs_len = gfar_reglen, | |
613 | .get_regs = gfar_get_regs, | |
614 | .get_link = ethtool_op_get_link, | |
615 | .get_coalesce = gfar_gcoalesce, | |
616 | .set_coalesce = gfar_scoalesce, | |
617 | .get_ringparam = gfar_gringparam, | |
618 | .set_ringparam = gfar_sringparam, | |
619 | .get_strings = gfar_gstrings, | |
b9f2c044 | 620 | .get_sset_count = gfar_sset_count, |
1da177e4 | 621 | .get_ethtool_stats = gfar_fill_stats, |
0bbaf069 KG |
622 | .get_rx_csum = gfar_get_rx_csum, |
623 | .get_tx_csum = gfar_get_tx_csum, | |
624 | .set_rx_csum = gfar_set_rx_csum, | |
625 | .set_tx_csum = gfar_set_tx_csum, | |
4669bc90 | 626 | .set_sg = ethtool_op_set_sg, |
0bbaf069 KG |
627 | .get_msglevel = gfar_get_msglevel, |
628 | .set_msglevel = gfar_set_msglevel, | |
d87eb127 SW |
629 | #ifdef CONFIG_PM |
630 | .get_wol = gfar_get_wol, | |
631 | .set_wol = gfar_set_wol, | |
632 | #endif | |
1da177e4 | 633 | }; |