Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
3396c782 | 2 | * drivers/net/ethernet/freescale/gianfar_ethtool.c |
1da177e4 LT |
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 |
a12f801d | 10 | * Modifier: Sandeep Gopalpet <sandeep.kumar@freescale.com> |
1da177e4 | 11 | * |
6c43e046 | 12 | * Copyright 2003-2006, 2008-2009, 2011 Freescale Semiconductor, Inc. |
1da177e4 | 13 | * |
6aa20a22 JG |
14 | * This software may be used and distributed according to |
15 | * the terms of the GNU Public License, Version 2, incorporated herein | |
1da177e4 LT |
16 | * by reference. |
17 | */ | |
18 | ||
59deab26 JP |
19 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
20 | ||
1da177e4 | 21 | #include <linux/kernel.h> |
1da177e4 LT |
22 | #include <linux/string.h> |
23 | #include <linux/errno.h> | |
1da177e4 | 24 | #include <linux/interrupt.h> |
1da177e4 LT |
25 | #include <linux/delay.h> |
26 | #include <linux/netdevice.h> | |
27 | #include <linux/etherdevice.h> | |
65a85a8d | 28 | #include <linux/net_tstamp.h> |
1da177e4 LT |
29 | #include <linux/skbuff.h> |
30 | #include <linux/spinlock.h> | |
31 | #include <linux/mm.h> | |
32 | ||
33 | #include <asm/io.h> | |
34 | #include <asm/irq.h> | |
35 | #include <asm/uaccess.h> | |
36 | #include <linux/module.h> | |
1da177e4 LT |
37 | #include <linux/crc32.h> |
38 | #include <asm/types.h> | |
1da177e4 | 39 | #include <linux/ethtool.h> |
bb40dcbb AF |
40 | #include <linux/mii.h> |
41 | #include <linux/phy.h> | |
4aa3a715 | 42 | #include <linux/sort.h> |
380b153c | 43 | #include <linux/if_vlan.h> |
1da177e4 LT |
44 | |
45 | #include "gianfar.h" | |
46 | ||
bb40dcbb AF |
47 | #define GFAR_MAX_COAL_USECS 0xffff |
48 | #define GFAR_MAX_COAL_FRAMES 0xff | |
0bbaf069 | 49 | static void gfar_fill_stats(struct net_device *dev, struct ethtool_stats *dummy, |
cbfc6071 | 50 | u64 *buf); |
0bbaf069 | 51 | static void gfar_gstrings(struct net_device *dev, u32 stringset, u8 * buf); |
cbfc6071 JC |
52 | static int gfar_gcoalesce(struct net_device *dev, |
53 | struct ethtool_coalesce *cvals); | |
54 | static int gfar_scoalesce(struct net_device *dev, | |
55 | struct ethtool_coalesce *cvals); | |
56 | static void gfar_gringparam(struct net_device *dev, | |
57 | struct ethtool_ringparam *rvals); | |
58 | static int gfar_sringparam(struct net_device *dev, | |
59 | struct ethtool_ringparam *rvals); | |
60 | static void gfar_gdrvinfo(struct net_device *dev, | |
61 | struct ethtool_drvinfo *drvinfo); | |
1da177e4 | 62 | |
30f7e310 | 63 | static const char stat_gstrings[][ETH_GSTRING_LEN] = { |
1da177e4 LT |
64 | "rx-large-frame-errors", |
65 | "rx-short-frame-errors", | |
66 | "rx-non-octet-errors", | |
67 | "rx-crc-errors", | |
68 | "rx-overrun-errors", | |
69 | "rx-busy-errors", | |
70 | "rx-babbling-errors", | |
71 | "rx-truncated-frames", | |
72 | "ethernet-bus-error", | |
73 | "tx-babbling-errors", | |
74 | "tx-underrun-errors", | |
75 | "rx-skb-missing-errors", | |
76 | "tx-timeout-errors", | |
77 | "tx-rx-64-frames", | |
78 | "tx-rx-65-127-frames", | |
79 | "tx-rx-128-255-frames", | |
80 | "tx-rx-256-511-frames", | |
81 | "tx-rx-512-1023-frames", | |
82 | "tx-rx-1024-1518-frames", | |
83 | "tx-rx-1519-1522-good-vlan", | |
84 | "rx-bytes", | |
85 | "rx-packets", | |
86 | "rx-fcs-errors", | |
87 | "receive-multicast-packet", | |
88 | "receive-broadcast-packet", | |
89 | "rx-control-frame-packets", | |
90 | "rx-pause-frame-packets", | |
91 | "rx-unknown-op-code", | |
92 | "rx-alignment-error", | |
93 | "rx-frame-length-error", | |
94 | "rx-code-error", | |
95 | "rx-carrier-sense-error", | |
96 | "rx-undersize-packets", | |
97 | "rx-oversize-packets", | |
98 | "rx-fragmented-frames", | |
99 | "rx-jabber-frames", | |
100 | "rx-dropped-frames", | |
101 | "tx-byte-counter", | |
102 | "tx-packets", | |
103 | "tx-multicast-packets", | |
104 | "tx-broadcast-packets", | |
105 | "tx-pause-control-frames", | |
106 | "tx-deferral-packets", | |
107 | "tx-excessive-deferral-packets", | |
108 | "tx-single-collision-packets", | |
109 | "tx-multiple-collision-packets", | |
110 | "tx-late-collision-packets", | |
111 | "tx-excessive-collision-packets", | |
112 | "tx-total-collision", | |
113 | "reserved", | |
114 | "tx-dropped-frames", | |
115 | "tx-jabber-frames", | |
116 | "tx-fcs-errors", | |
117 | "tx-control-frames", | |
118 | "tx-oversize-frames", | |
119 | "tx-undersize-frames", | |
120 | "tx-fragmented-frames", | |
121 | }; | |
122 | ||
0bbaf069 KG |
123 | /* Fill in a buffer with the strings which correspond to the |
124 | * stats */ | |
125 | static void gfar_gstrings(struct net_device *dev, u32 stringset, u8 * buf) | |
126 | { | |
127 | struct gfar_private *priv = netdev_priv(dev); | |
7f7f5316 | 128 | |
b31a1d8b | 129 | if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON) |
0bbaf069 KG |
130 | memcpy(buf, stat_gstrings, GFAR_STATS_LEN * ETH_GSTRING_LEN); |
131 | else | |
132 | memcpy(buf, stat_gstrings, | |
cbfc6071 | 133 | GFAR_EXTRA_STATS_LEN * ETH_GSTRING_LEN); |
0bbaf069 KG |
134 | } |
135 | ||
1da177e4 LT |
136 | /* Fill in an array of 64-bit statistics from various sources. |
137 | * This array will be appended to the end of the ethtool_stats | |
138 | * structure, and returned to user space | |
139 | */ | |
cbfc6071 JC |
140 | static void gfar_fill_stats(struct net_device *dev, struct ethtool_stats *dummy, |
141 | u64 *buf) | |
1da177e4 LT |
142 | { |
143 | int i; | |
144 | struct gfar_private *priv = netdev_priv(dev); | |
46ceb60c | 145 | struct gfar __iomem *regs = priv->gfargrp[0].regs; |
212079df | 146 | atomic64_t *extra = (atomic64_t *)&priv->extra_stats; |
1da177e4 | 147 | |
68719786 | 148 | for (i = 0; i < GFAR_EXTRA_STATS_LEN; i++) |
212079df | 149 | buf[i] = atomic64_read(&extra[i]); |
68719786 | 150 | |
b31a1d8b | 151 | if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON) { |
f4983704 | 152 | u32 __iomem *rmon = (u32 __iomem *) ®s->rmon; |
1da177e4 | 153 | |
68719786 PG |
154 | for (; i < GFAR_STATS_LEN; i++, rmon++) |
155 | buf[i] = (u64) gfar_read(rmon); | |
156 | } | |
1da177e4 LT |
157 | } |
158 | ||
b9f2c044 | 159 | static int gfar_sset_count(struct net_device *dev, int sset) |
1da177e4 | 160 | { |
1da177e4 | 161 | struct gfar_private *priv = netdev_priv(dev); |
1da177e4 | 162 | |
b9f2c044 JG |
163 | switch (sset) { |
164 | case ETH_SS_STATS: | |
b31a1d8b | 165 | if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON) |
b9f2c044 JG |
166 | return GFAR_STATS_LEN; |
167 | else | |
168 | return GFAR_EXTRA_STATS_LEN; | |
169 | default: | |
170 | return -EOPNOTSUPP; | |
171 | } | |
1da177e4 LT |
172 | } |
173 | ||
1da177e4 | 174 | /* Fills in the drvinfo structure with some basic info */ |
cbfc6071 JC |
175 | static void gfar_gdrvinfo(struct net_device *dev, |
176 | struct ethtool_drvinfo *drvinfo) | |
1da177e4 | 177 | { |
7826d43f JP |
178 | strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver)); |
179 | strlcpy(drvinfo->version, gfar_driver_version, | |
180 | sizeof(drvinfo->version)); | |
181 | strlcpy(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version)); | |
182 | strlcpy(drvinfo->bus_info, "N/A", sizeof(drvinfo->bus_info)); | |
1da177e4 LT |
183 | drvinfo->regdump_len = 0; |
184 | drvinfo->eedump_len = 0; | |
185 | } | |
186 | ||
bb40dcbb AF |
187 | |
188 | static int gfar_ssettings(struct net_device *dev, struct ethtool_cmd *cmd) | |
189 | { | |
190 | struct gfar_private *priv = netdev_priv(dev); | |
191 | struct phy_device *phydev = priv->phydev; | |
192 | ||
193 | if (NULL == phydev) | |
194 | return -ENODEV; | |
195 | ||
196 | return phy_ethtool_sset(phydev, cmd); | |
197 | } | |
198 | ||
199 | ||
1da177e4 | 200 | /* Return the current settings in the ethtool_cmd structure */ |
0bbaf069 | 201 | static int gfar_gsettings(struct net_device *dev, struct ethtool_cmd *cmd) |
1da177e4 LT |
202 | { |
203 | struct gfar_private *priv = netdev_priv(dev); | |
bb40dcbb | 204 | struct phy_device *phydev = priv->phydev; |
a12f801d SG |
205 | struct gfar_priv_rx_q *rx_queue = NULL; |
206 | struct gfar_priv_tx_q *tx_queue = NULL; | |
bb40dcbb AF |
207 | |
208 | if (NULL == phydev) | |
209 | return -ENODEV; | |
fba4ed03 SG |
210 | tx_queue = priv->tx_queue[0]; |
211 | rx_queue = priv->rx_queue[0]; | |
6aa20a22 | 212 | |
fba4ed03 SG |
213 | /* etsec-1.7 and older versions have only one txic |
214 | * and rxic regs although they support multiple queues */ | |
a12f801d SG |
215 | cmd->maxtxpkt = get_icft_value(tx_queue->txic); |
216 | cmd->maxrxpkt = get_icft_value(rx_queue->rxic); | |
1da177e4 | 217 | |
bb40dcbb | 218 | return phy_ethtool_gset(phydev, cmd); |
1da177e4 LT |
219 | } |
220 | ||
221 | /* Return the length of the register structure */ | |
0bbaf069 | 222 | static int gfar_reglen(struct net_device *dev) |
1da177e4 LT |
223 | { |
224 | return sizeof (struct gfar); | |
225 | } | |
226 | ||
227 | /* Return a dump of the GFAR register space */ | |
cbfc6071 JC |
228 | static void gfar_get_regs(struct net_device *dev, struct ethtool_regs *regs, |
229 | void *regbuf) | |
1da177e4 LT |
230 | { |
231 | int i; | |
232 | struct gfar_private *priv = netdev_priv(dev); | |
46ceb60c | 233 | u32 __iomem *theregs = (u32 __iomem *) priv->gfargrp[0].regs; |
1da177e4 LT |
234 | u32 *buf = (u32 *) regbuf; |
235 | ||
236 | for (i = 0; i < sizeof (struct gfar) / sizeof (u32); i++) | |
cc8c6e37 | 237 | buf[i] = gfar_read(&theregs[i]); |
1da177e4 LT |
238 | } |
239 | ||
1da177e4 LT |
240 | /* Convert microseconds to ethernet clock ticks, which changes |
241 | * depending on what speed the controller is running at */ | |
cbfc6071 JC |
242 | static unsigned int gfar_usecs2ticks(struct gfar_private *priv, |
243 | unsigned int usecs) | |
1da177e4 LT |
244 | { |
245 | unsigned int count; | |
246 | ||
247 | /* The timer is different, depending on the interface speed */ | |
bb40dcbb AF |
248 | switch (priv->phydev->speed) { |
249 | case SPEED_1000: | |
1da177e4 LT |
250 | count = GFAR_GBIT_TIME; |
251 | break; | |
bb40dcbb | 252 | case SPEED_100: |
1da177e4 LT |
253 | count = GFAR_100_TIME; |
254 | break; | |
bb40dcbb | 255 | case SPEED_10: |
1da177e4 LT |
256 | default: |
257 | count = GFAR_10_TIME; | |
258 | break; | |
259 | } | |
260 | ||
261 | /* Make sure we return a number greater than 0 | |
262 | * if usecs > 0 */ | |
807540ba | 263 | return (usecs * 1000 + count - 1) / count; |
1da177e4 LT |
264 | } |
265 | ||
266 | /* Convert ethernet clock ticks to microseconds */ | |
cbfc6071 JC |
267 | static unsigned int gfar_ticks2usecs(struct gfar_private *priv, |
268 | unsigned int ticks) | |
1da177e4 LT |
269 | { |
270 | unsigned int count; | |
271 | ||
272 | /* The timer is different, depending on the interface speed */ | |
bb40dcbb AF |
273 | switch (priv->phydev->speed) { |
274 | case SPEED_1000: | |
1da177e4 LT |
275 | count = GFAR_GBIT_TIME; |
276 | break; | |
bb40dcbb | 277 | case SPEED_100: |
1da177e4 LT |
278 | count = GFAR_100_TIME; |
279 | break; | |
bb40dcbb | 280 | case SPEED_10: |
1da177e4 LT |
281 | default: |
282 | count = GFAR_10_TIME; | |
283 | break; | |
284 | } | |
285 | ||
286 | /* Make sure we return a number greater than 0 */ | |
287 | /* if ticks is > 0 */ | |
807540ba | 288 | return (ticks * count) / 1000; |
1da177e4 LT |
289 | } |
290 | ||
291 | /* Get the coalescing parameters, and put them in the cvals | |
292 | * structure. */ | |
cbfc6071 JC |
293 | static int gfar_gcoalesce(struct net_device *dev, |
294 | struct ethtool_coalesce *cvals) | |
1da177e4 LT |
295 | { |
296 | struct gfar_private *priv = netdev_priv(dev); | |
a12f801d SG |
297 | struct gfar_priv_rx_q *rx_queue = NULL; |
298 | struct gfar_priv_tx_q *tx_queue = NULL; | |
b46a8454 DH |
299 | unsigned long rxtime; |
300 | unsigned long rxcount; | |
301 | unsigned long txtime; | |
302 | unsigned long txcount; | |
6aa20a22 | 303 | |
b31a1d8b | 304 | if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_COALESCE)) |
0bbaf069 | 305 | return -EOPNOTSUPP; |
1da177e4 | 306 | |
bb40dcbb AF |
307 | if (NULL == priv->phydev) |
308 | return -ENODEV; | |
309 | ||
fba4ed03 SG |
310 | rx_queue = priv->rx_queue[0]; |
311 | tx_queue = priv->tx_queue[0]; | |
a12f801d SG |
312 | |
313 | rxtime = get_ictt_value(rx_queue->rxic); | |
314 | rxcount = get_icft_value(rx_queue->rxic); | |
315 | txtime = get_ictt_value(tx_queue->txic); | |
316 | txcount = get_icft_value(tx_queue->txic); | |
b46a8454 DH |
317 | cvals->rx_coalesce_usecs = gfar_ticks2usecs(priv, rxtime); |
318 | cvals->rx_max_coalesced_frames = rxcount; | |
1da177e4 | 319 | |
b46a8454 DH |
320 | cvals->tx_coalesce_usecs = gfar_ticks2usecs(priv, txtime); |
321 | cvals->tx_max_coalesced_frames = txcount; | |
1da177e4 LT |
322 | |
323 | cvals->use_adaptive_rx_coalesce = 0; | |
324 | cvals->use_adaptive_tx_coalesce = 0; | |
325 | ||
326 | cvals->pkt_rate_low = 0; | |
327 | cvals->rx_coalesce_usecs_low = 0; | |
328 | cvals->rx_max_coalesced_frames_low = 0; | |
329 | cvals->tx_coalesce_usecs_low = 0; | |
330 | cvals->tx_max_coalesced_frames_low = 0; | |
331 | ||
332 | /* When the packet rate is below pkt_rate_high but above | |
333 | * pkt_rate_low (both measured in packets per second) the | |
334 | * normal {rx,tx}_* coalescing parameters are used. | |
335 | */ | |
336 | ||
337 | /* When the packet rate is (measured in packets per second) | |
338 | * is above pkt_rate_high, the {rx,tx}_*_high parameters are | |
339 | * used. | |
340 | */ | |
341 | cvals->pkt_rate_high = 0; | |
342 | cvals->rx_coalesce_usecs_high = 0; | |
343 | cvals->rx_max_coalesced_frames_high = 0; | |
344 | cvals->tx_coalesce_usecs_high = 0; | |
345 | cvals->tx_max_coalesced_frames_high = 0; | |
346 | ||
347 | /* How often to do adaptive coalescing packet rate sampling, | |
348 | * measured in seconds. Must not be zero. | |
349 | */ | |
350 | cvals->rate_sample_interval = 0; | |
351 | ||
352 | return 0; | |
353 | } | |
354 | ||
355 | /* Change the coalescing values. | |
356 | * Both cvals->*_usecs and cvals->*_frames have to be > 0 | |
357 | * in order for coalescing to be active | |
358 | */ | |
cbfc6071 JC |
359 | static int gfar_scoalesce(struct net_device *dev, |
360 | struct ethtool_coalesce *cvals) | |
1da177e4 LT |
361 | { |
362 | struct gfar_private *priv = netdev_priv(dev); | |
f19015ba | 363 | int i, err = 0; |
1da177e4 | 364 | |
b31a1d8b | 365 | if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_COALESCE)) |
0bbaf069 KG |
366 | return -EOPNOTSUPP; |
367 | ||
bb40dcbb AF |
368 | if (NULL == priv->phydev) |
369 | return -ENODEV; | |
370 | ||
371 | /* Check the bounds of the values */ | |
372 | if (cvals->rx_coalesce_usecs > GFAR_MAX_COAL_USECS) { | |
375d6a1b JP |
373 | netdev_info(dev, "Coalescing is limited to %d microseconds\n", |
374 | GFAR_MAX_COAL_USECS); | |
bb40dcbb AF |
375 | return -EINVAL; |
376 | } | |
377 | ||
378 | if (cvals->rx_max_coalesced_frames > GFAR_MAX_COAL_FRAMES) { | |
375d6a1b JP |
379 | netdev_info(dev, "Coalescing is limited to %d frames\n", |
380 | GFAR_MAX_COAL_FRAMES); | |
bb40dcbb AF |
381 | return -EINVAL; |
382 | } | |
383 | ||
f19015ba CM |
384 | /* Check the bounds of the values */ |
385 | if (cvals->tx_coalesce_usecs > GFAR_MAX_COAL_USECS) { | |
386 | netdev_info(dev, "Coalescing is limited to %d microseconds\n", | |
387 | GFAR_MAX_COAL_USECS); | |
388 | return -EINVAL; | |
389 | } | |
390 | ||
391 | if (cvals->tx_max_coalesced_frames > GFAR_MAX_COAL_FRAMES) { | |
392 | netdev_info(dev, "Coalescing is limited to %d frames\n", | |
393 | GFAR_MAX_COAL_FRAMES); | |
394 | return -EINVAL; | |
395 | } | |
396 | ||
397 | while (test_and_set_bit_lock(GFAR_RESETTING, &priv->state)) | |
398 | cpu_relax(); | |
399 | ||
400 | /* Set up rx coalescing */ | |
401 | if ((cvals->rx_coalesce_usecs == 0) || | |
402 | (cvals->rx_max_coalesced_frames == 0)) { | |
403 | for (i = 0; i < priv->num_rx_queues; i++) | |
404 | priv->rx_queue[i]->rxcoalescing = 0; | |
405 | } else { | |
406 | for (i = 0; i < priv->num_rx_queues; i++) | |
407 | priv->rx_queue[i]->rxcoalescing = 1; | |
408 | } | |
409 | ||
46ceb60c SG |
410 | for (i = 0; i < priv->num_rx_queues; i++) { |
411 | priv->rx_queue[i]->rxic = mk_ic_value( | |
412 | cvals->rx_max_coalesced_frames, | |
413 | gfar_usecs2ticks(priv, cvals->rx_coalesce_usecs)); | |
414 | } | |
1da177e4 LT |
415 | |
416 | /* Set up tx coalescing */ | |
417 | if ((cvals->tx_coalesce_usecs == 0) || | |
46ceb60c SG |
418 | (cvals->tx_max_coalesced_frames == 0)) { |
419 | for (i = 0; i < priv->num_tx_queues; i++) | |
420 | priv->tx_queue[i]->txcoalescing = 0; | |
421 | } else { | |
422 | for (i = 0; i < priv->num_tx_queues; i++) | |
423 | priv->tx_queue[i]->txcoalescing = 1; | |
424 | } | |
1da177e4 | 425 | |
46ceb60c SG |
426 | for (i = 0; i < priv->num_tx_queues; i++) { |
427 | priv->tx_queue[i]->txic = mk_ic_value( | |
428 | cvals->tx_max_coalesced_frames, | |
429 | gfar_usecs2ticks(priv, cvals->tx_coalesce_usecs)); | |
430 | } | |
1da177e4 | 431 | |
f19015ba CM |
432 | if (dev->flags & IFF_UP) { |
433 | stop_gfar(dev); | |
434 | err = startup_gfar(dev); | |
435 | } else { | |
436 | gfar_mac_reset(priv); | |
437 | } | |
438 | ||
439 | clear_bit_unlock(GFAR_RESETTING, &priv->state); | |
1da177e4 | 440 | |
f19015ba | 441 | return err; |
1da177e4 LT |
442 | } |
443 | ||
444 | /* Fills in rvals with the current ring parameters. Currently, | |
445 | * rx, rx_mini, and rx_jumbo rings are the same size, as mini and | |
446 | * jumbo are ignored by the driver */ | |
cbfc6071 JC |
447 | static void gfar_gringparam(struct net_device *dev, |
448 | struct ethtool_ringparam *rvals) | |
1da177e4 LT |
449 | { |
450 | struct gfar_private *priv = netdev_priv(dev); | |
a12f801d SG |
451 | struct gfar_priv_tx_q *tx_queue = NULL; |
452 | struct gfar_priv_rx_q *rx_queue = NULL; | |
453 | ||
fba4ed03 SG |
454 | tx_queue = priv->tx_queue[0]; |
455 | rx_queue = priv->rx_queue[0]; | |
1da177e4 LT |
456 | |
457 | rvals->rx_max_pending = GFAR_RX_MAX_RING_SIZE; | |
458 | rvals->rx_mini_max_pending = GFAR_RX_MAX_RING_SIZE; | |
459 | rvals->rx_jumbo_max_pending = GFAR_RX_MAX_RING_SIZE; | |
460 | rvals->tx_max_pending = GFAR_TX_MAX_RING_SIZE; | |
461 | ||
462 | /* Values changeable by the user. The valid values are | |
463 | * in the range 1 to the "*_max_pending" counterpart above. | |
464 | */ | |
a12f801d SG |
465 | rvals->rx_pending = rx_queue->rx_ring_size; |
466 | rvals->rx_mini_pending = rx_queue->rx_ring_size; | |
467 | rvals->rx_jumbo_pending = rx_queue->rx_ring_size; | |
468 | rvals->tx_pending = tx_queue->tx_ring_size; | |
1da177e4 LT |
469 | } |
470 | ||
471 | /* Change the current ring parameters, stopping the controller if | |
7cca336a | 472 | * necessary so that we don't mess things up while we're in motion. |
cbfc6071 JC |
473 | */ |
474 | static int gfar_sringparam(struct net_device *dev, | |
475 | struct ethtool_ringparam *rvals) | |
1da177e4 | 476 | { |
1da177e4 | 477 | struct gfar_private *priv = netdev_priv(dev); |
7cca336a | 478 | int err = 0, i; |
1da177e4 LT |
479 | |
480 | if (rvals->rx_pending > GFAR_RX_MAX_RING_SIZE) | |
481 | return -EINVAL; | |
482 | ||
483 | if (!is_power_of_2(rvals->rx_pending)) { | |
59deab26 | 484 | netdev_err(dev, "Ring sizes must be a power of 2\n"); |
1da177e4 LT |
485 | return -EINVAL; |
486 | } | |
487 | ||
488 | if (rvals->tx_pending > GFAR_TX_MAX_RING_SIZE) | |
489 | return -EINVAL; | |
490 | ||
491 | if (!is_power_of_2(rvals->tx_pending)) { | |
59deab26 | 492 | netdev_err(dev, "Ring sizes must be a power of 2\n"); |
1da177e4 LT |
493 | return -EINVAL; |
494 | } | |
495 | ||
0851133b CM |
496 | while (test_and_set_bit_lock(GFAR_RESETTING, &priv->state)) |
497 | cpu_relax(); | |
498 | ||
7cca336a | 499 | if (dev->flags & IFF_UP) |
0bbaf069 | 500 | stop_gfar(dev); |
1da177e4 | 501 | |
7cca336a CM |
502 | /* Change the sizes */ |
503 | for (i = 0; i < priv->num_rx_queues; i++) | |
fba4ed03 | 504 | priv->rx_queue[i]->rx_ring_size = rvals->rx_pending; |
7cca336a CM |
505 | |
506 | for (i = 0; i < priv->num_tx_queues; i++) | |
fba4ed03 | 507 | priv->tx_queue[i]->tx_ring_size = rvals->tx_pending; |
1da177e4 | 508 | |
0bbaf069 | 509 | /* Rebuild the rings with the new size */ |
0851133b | 510 | if (dev->flags & IFF_UP) |
0bbaf069 | 511 | err = startup_gfar(dev); |
0851133b CM |
512 | |
513 | clear_bit_unlock(GFAR_RESETTING, &priv->state); | |
514 | ||
0bbaf069 KG |
515 | return err; |
516 | } | |
1da177e4 | 517 | |
23402bdd CM |
518 | static void gfar_gpauseparam(struct net_device *dev, |
519 | struct ethtool_pauseparam *epause) | |
520 | { | |
521 | struct gfar_private *priv = netdev_priv(dev); | |
522 | ||
523 | epause->autoneg = !!priv->pause_aneg_en; | |
524 | epause->rx_pause = !!priv->rx_pause_en; | |
525 | epause->tx_pause = !!priv->tx_pause_en; | |
526 | } | |
527 | ||
528 | static int gfar_spauseparam(struct net_device *dev, | |
529 | struct ethtool_pauseparam *epause) | |
530 | { | |
531 | struct gfar_private *priv = netdev_priv(dev); | |
532 | struct phy_device *phydev = priv->phydev; | |
533 | struct gfar __iomem *regs = priv->gfargrp[0].regs; | |
534 | u32 oldadv, newadv; | |
535 | ||
536 | if (!(phydev->supported & SUPPORTED_Pause) || | |
537 | (!(phydev->supported & SUPPORTED_Asym_Pause) && | |
538 | (epause->rx_pause != epause->tx_pause))) | |
539 | return -EINVAL; | |
540 | ||
541 | priv->rx_pause_en = priv->tx_pause_en = 0; | |
542 | if (epause->rx_pause) { | |
543 | priv->rx_pause_en = 1; | |
544 | ||
545 | if (epause->tx_pause) { | |
546 | priv->tx_pause_en = 1; | |
547 | /* FLOW_CTRL_RX & TX */ | |
548 | newadv = ADVERTISED_Pause; | |
549 | } else /* FLOW_CTLR_RX */ | |
550 | newadv = ADVERTISED_Pause | ADVERTISED_Asym_Pause; | |
551 | } else if (epause->tx_pause) { | |
552 | priv->tx_pause_en = 1; | |
553 | /* FLOW_CTLR_TX */ | |
554 | newadv = ADVERTISED_Asym_Pause; | |
555 | } else | |
556 | newadv = 0; | |
557 | ||
558 | if (epause->autoneg) | |
559 | priv->pause_aneg_en = 1; | |
560 | else | |
561 | priv->pause_aneg_en = 0; | |
562 | ||
563 | oldadv = phydev->advertising & | |
564 | (ADVERTISED_Pause | ADVERTISED_Asym_Pause); | |
565 | if (oldadv != newadv) { | |
566 | phydev->advertising &= | |
567 | ~(ADVERTISED_Pause | ADVERTISED_Asym_Pause); | |
568 | phydev->advertising |= newadv; | |
569 | if (phydev->autoneg) | |
570 | /* inform link partner of our | |
571 | * new flow ctrl settings | |
572 | */ | |
573 | return phy_start_aneg(phydev); | |
574 | ||
575 | if (!epause->autoneg) { | |
576 | u32 tempval; | |
577 | tempval = gfar_read(®s->maccfg1); | |
578 | tempval &= ~(MACCFG1_TX_FLOW | MACCFG1_RX_FLOW); | |
579 | if (priv->tx_pause_en) | |
580 | tempval |= MACCFG1_TX_FLOW; | |
581 | if (priv->rx_pause_en) | |
582 | tempval |= MACCFG1_RX_FLOW; | |
583 | gfar_write(®s->maccfg1, tempval); | |
584 | } | |
585 | } | |
586 | ||
587 | return 0; | |
588 | } | |
589 | ||
c8f44aff | 590 | int gfar_set_features(struct net_device *dev, netdev_features_t features) |
0bbaf069 | 591 | { |
c8f44aff | 592 | netdev_features_t changed = dev->features ^ features; |
0851133b | 593 | struct gfar_private *priv = netdev_priv(dev); |
7cca336a | 594 | int err = 0; |
1da177e4 | 595 | |
88302648 CM |
596 | if (!(changed & (NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX | |
597 | NETIF_F_RXCSUM))) | |
8b3afe95 | 598 | return 0; |
a12f801d | 599 | |
0851133b CM |
600 | while (test_and_set_bit_lock(GFAR_RESETTING, &priv->state)) |
601 | cpu_relax(); | |
602 | ||
88302648 CM |
603 | dev->features = features; |
604 | ||
0bbaf069 | 605 | if (dev->flags & IFF_UP) { |
0bbaf069 | 606 | /* Now we take down the rings to rebuild them */ |
1da177e4 | 607 | stop_gfar(dev); |
1da177e4 | 608 | err = startup_gfar(dev); |
0851133b CM |
609 | } else { |
610 | gfar_mac_reset(priv); | |
12dea57b | 611 | } |
0851133b CM |
612 | |
613 | clear_bit_unlock(GFAR_RESETTING, &priv->state); | |
614 | ||
1da177e4 LT |
615 | return err; |
616 | } | |
617 | ||
0bbaf069 | 618 | static uint32_t gfar_get_msglevel(struct net_device *dev) |
6aa20a22 | 619 | { |
0bbaf069 | 620 | struct gfar_private *priv = netdev_priv(dev); |
cbfc6071 | 621 | |
0bbaf069 | 622 | return priv->msg_enable; |
6aa20a22 JG |
623 | } |
624 | ||
0bbaf069 | 625 | static void gfar_set_msglevel(struct net_device *dev, uint32_t data) |
6aa20a22 | 626 | { |
0bbaf069 | 627 | struct gfar_private *priv = netdev_priv(dev); |
cbfc6071 | 628 | |
0bbaf069 KG |
629 | priv->msg_enable = data; |
630 | } | |
631 | ||
d87eb127 SW |
632 | #ifdef CONFIG_PM |
633 | static void gfar_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) | |
634 | { | |
635 | struct gfar_private *priv = netdev_priv(dev); | |
636 | ||
b31a1d8b | 637 | if (priv->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET) { |
d87eb127 SW |
638 | wol->supported = WAKE_MAGIC; |
639 | wol->wolopts = priv->wol_en ? WAKE_MAGIC : 0; | |
640 | } else { | |
641 | wol->supported = wol->wolopts = 0; | |
642 | } | |
643 | } | |
644 | ||
645 | static int gfar_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) | |
646 | { | |
647 | struct gfar_private *priv = netdev_priv(dev); | |
648 | unsigned long flags; | |
649 | ||
b31a1d8b | 650 | if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET) && |
d87eb127 SW |
651 | wol->wolopts != 0) |
652 | return -EINVAL; | |
653 | ||
654 | if (wol->wolopts & ~WAKE_MAGIC) | |
655 | return -EINVAL; | |
656 | ||
6c4f1994 RW |
657 | device_set_wakeup_enable(&dev->dev, wol->wolopts & WAKE_MAGIC); |
658 | ||
d87eb127 | 659 | spin_lock_irqsave(&priv->bflock, flags); |
6c4f1994 | 660 | priv->wol_en = !!device_may_wakeup(&dev->dev); |
d87eb127 SW |
661 | spin_unlock_irqrestore(&priv->bflock, flags); |
662 | ||
663 | return 0; | |
664 | } | |
665 | #endif | |
0bbaf069 | 666 | |
7a8b3372 SG |
667 | static void ethflow_to_filer_rules (struct gfar_private *priv, u64 ethflow) |
668 | { | |
669 | u32 fcr = 0x0, fpr = FPR_FILER_MASK; | |
670 | ||
671 | if (ethflow & RXH_L2DA) { | |
672 | fcr = RQFCR_PID_DAH |RQFCR_CMP_NOMATCH | | |
cbfc6071 | 673 | RQFCR_HASH | RQFCR_AND | RQFCR_HASHTBL_0; |
6c43e046 WJB |
674 | priv->ftp_rqfpr[priv->cur_filer_idx] = fpr; |
675 | priv->ftp_rqfcr[priv->cur_filer_idx] = fcr; | |
7a8b3372 SG |
676 | gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr); |
677 | priv->cur_filer_idx = priv->cur_filer_idx - 1; | |
678 | ||
679 | fcr = RQFCR_PID_DAL | RQFCR_AND | RQFCR_CMP_NOMATCH | | |
cbfc6071 | 680 | RQFCR_HASH | RQFCR_AND | RQFCR_HASHTBL_0; |
6c43e046 WJB |
681 | priv->ftp_rqfpr[priv->cur_filer_idx] = fpr; |
682 | priv->ftp_rqfcr[priv->cur_filer_idx] = fcr; | |
7a8b3372 SG |
683 | gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr); |
684 | priv->cur_filer_idx = priv->cur_filer_idx - 1; | |
685 | } | |
686 | ||
687 | if (ethflow & RXH_VLAN) { | |
688 | fcr = RQFCR_PID_VID | RQFCR_CMP_NOMATCH | RQFCR_HASH | | |
cbfc6071 | 689 | RQFCR_AND | RQFCR_HASHTBL_0; |
7a8b3372 | 690 | gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr); |
6c43e046 WJB |
691 | priv->ftp_rqfpr[priv->cur_filer_idx] = fpr; |
692 | priv->ftp_rqfcr[priv->cur_filer_idx] = fcr; | |
7a8b3372 SG |
693 | priv->cur_filer_idx = priv->cur_filer_idx - 1; |
694 | } | |
695 | ||
696 | if (ethflow & RXH_IP_SRC) { | |
697 | fcr = RQFCR_PID_SIA | RQFCR_CMP_NOMATCH | RQFCR_HASH | | |
cbfc6071 | 698 | RQFCR_AND | RQFCR_HASHTBL_0; |
6c43e046 WJB |
699 | priv->ftp_rqfpr[priv->cur_filer_idx] = fpr; |
700 | priv->ftp_rqfcr[priv->cur_filer_idx] = fcr; | |
7a8b3372 SG |
701 | gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr); |
702 | priv->cur_filer_idx = priv->cur_filer_idx - 1; | |
703 | } | |
704 | ||
705 | if (ethflow & (RXH_IP_DST)) { | |
706 | fcr = RQFCR_PID_DIA | RQFCR_CMP_NOMATCH | RQFCR_HASH | | |
cbfc6071 | 707 | RQFCR_AND | RQFCR_HASHTBL_0; |
6c43e046 WJB |
708 | priv->ftp_rqfpr[priv->cur_filer_idx] = fpr; |
709 | priv->ftp_rqfcr[priv->cur_filer_idx] = fcr; | |
7a8b3372 SG |
710 | gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr); |
711 | priv->cur_filer_idx = priv->cur_filer_idx - 1; | |
712 | } | |
713 | ||
714 | if (ethflow & RXH_L3_PROTO) { | |
715 | fcr = RQFCR_PID_L4P | RQFCR_CMP_NOMATCH | RQFCR_HASH | | |
cbfc6071 | 716 | RQFCR_AND | RQFCR_HASHTBL_0; |
6c43e046 WJB |
717 | priv->ftp_rqfpr[priv->cur_filer_idx] = fpr; |
718 | priv->ftp_rqfcr[priv->cur_filer_idx] = fcr; | |
7a8b3372 SG |
719 | gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr); |
720 | priv->cur_filer_idx = priv->cur_filer_idx - 1; | |
721 | } | |
722 | ||
723 | if (ethflow & RXH_L4_B_0_1) { | |
724 | fcr = RQFCR_PID_SPT | RQFCR_CMP_NOMATCH | RQFCR_HASH | | |
cbfc6071 | 725 | RQFCR_AND | RQFCR_HASHTBL_0; |
6c43e046 WJB |
726 | priv->ftp_rqfpr[priv->cur_filer_idx] = fpr; |
727 | priv->ftp_rqfcr[priv->cur_filer_idx] = fcr; | |
7a8b3372 SG |
728 | gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr); |
729 | priv->cur_filer_idx = priv->cur_filer_idx - 1; | |
730 | } | |
731 | ||
732 | if (ethflow & RXH_L4_B_2_3) { | |
733 | fcr = RQFCR_PID_DPT | RQFCR_CMP_NOMATCH | RQFCR_HASH | | |
cbfc6071 | 734 | RQFCR_AND | RQFCR_HASHTBL_0; |
6c43e046 WJB |
735 | priv->ftp_rqfpr[priv->cur_filer_idx] = fpr; |
736 | priv->ftp_rqfcr[priv->cur_filer_idx] = fcr; | |
7a8b3372 SG |
737 | gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr); |
738 | priv->cur_filer_idx = priv->cur_filer_idx - 1; | |
739 | } | |
740 | } | |
741 | ||
cbfc6071 JC |
742 | static int gfar_ethflow_to_filer_table(struct gfar_private *priv, u64 ethflow, |
743 | u64 class) | |
7a8b3372 SG |
744 | { |
745 | unsigned int last_rule_idx = priv->cur_filer_idx; | |
746 | unsigned int cmp_rqfpr; | |
588dc911 WS |
747 | unsigned int *local_rqfpr; |
748 | unsigned int *local_rqfcr; | |
7a8b3372 SG |
749 | int i = 0x0, k = 0x0; |
750 | int j = MAX_FILER_IDX, l = 0x0; | |
588dc911 WS |
751 | int ret = 1; |
752 | ||
b2adaca9 JP |
753 | local_rqfpr = kmalloc_array(MAX_FILER_IDX + 1, sizeof(unsigned int), |
754 | GFP_KERNEL); | |
755 | local_rqfcr = kmalloc_array(MAX_FILER_IDX + 1, sizeof(unsigned int), | |
756 | GFP_KERNEL); | |
588dc911 | 757 | if (!local_rqfpr || !local_rqfcr) { |
588dc911 WS |
758 | ret = 0; |
759 | goto err; | |
760 | } | |
7a8b3372 SG |
761 | |
762 | switch (class) { | |
763 | case TCP_V4_FLOW: | |
764 | cmp_rqfpr = RQFPR_IPV4 |RQFPR_TCP; | |
765 | break; | |
766 | case UDP_V4_FLOW: | |
767 | cmp_rqfpr = RQFPR_IPV4 |RQFPR_UDP; | |
768 | break; | |
769 | case TCP_V6_FLOW: | |
770 | cmp_rqfpr = RQFPR_IPV6 |RQFPR_TCP; | |
771 | break; | |
772 | case UDP_V6_FLOW: | |
773 | cmp_rqfpr = RQFPR_IPV6 |RQFPR_UDP; | |
774 | break; | |
7a8b3372 | 775 | default: |
375d6a1b JP |
776 | netdev_err(priv->ndev, |
777 | "Right now this class is not supported\n"); | |
588dc911 WS |
778 | ret = 0; |
779 | goto err; | |
7a8b3372 SG |
780 | } |
781 | ||
782 | for (i = 0; i < MAX_FILER_IDX + 1; i++) { | |
6c43e046 WJB |
783 | local_rqfpr[j] = priv->ftp_rqfpr[i]; |
784 | local_rqfcr[j] = priv->ftp_rqfcr[i]; | |
7a8b3372 | 785 | j--; |
cbfc6071 JC |
786 | if ((priv->ftp_rqfcr[i] == |
787 | (RQFCR_PID_PARSE | RQFCR_CLE | RQFCR_AND)) && | |
788 | (priv->ftp_rqfpr[i] == cmp_rqfpr)) | |
7a8b3372 SG |
789 | break; |
790 | } | |
791 | ||
792 | if (i == MAX_FILER_IDX + 1) { | |
375d6a1b JP |
793 | netdev_err(priv->ndev, |
794 | "No parse rule found, can't create hash rules\n"); | |
588dc911 WS |
795 | ret = 0; |
796 | goto err; | |
7a8b3372 SG |
797 | } |
798 | ||
799 | /* If a match was found, then it begins the starting of a cluster rule | |
800 | * if it was already programmed, we need to overwrite these rules | |
801 | */ | |
802 | for (l = i+1; l < MAX_FILER_IDX; l++) { | |
6c43e046 | 803 | if ((priv->ftp_rqfcr[l] & RQFCR_CLE) && |
cbfc6071 | 804 | !(priv->ftp_rqfcr[l] & RQFCR_AND)) { |
6c43e046 | 805 | priv->ftp_rqfcr[l] = RQFCR_CLE | RQFCR_CMP_EXACT | |
cbfc6071 | 806 | RQFCR_HASHTBL_0 | RQFCR_PID_MASK; |
6c43e046 WJB |
807 | priv->ftp_rqfpr[l] = FPR_FILER_MASK; |
808 | gfar_write_filer(priv, l, priv->ftp_rqfcr[l], | |
cbfc6071 | 809 | priv->ftp_rqfpr[l]); |
7a8b3372 SG |
810 | break; |
811 | } | |
812 | ||
6c43e046 WJB |
813 | if (!(priv->ftp_rqfcr[l] & RQFCR_CLE) && |
814 | (priv->ftp_rqfcr[l] & RQFCR_AND)) | |
7a8b3372 SG |
815 | continue; |
816 | else { | |
6c43e046 WJB |
817 | local_rqfpr[j] = priv->ftp_rqfpr[l]; |
818 | local_rqfcr[j] = priv->ftp_rqfcr[l]; | |
7a8b3372 SG |
819 | j--; |
820 | } | |
821 | } | |
822 | ||
823 | priv->cur_filer_idx = l - 1; | |
824 | last_rule_idx = l; | |
825 | ||
826 | /* hash rules */ | |
827 | ethflow_to_filer_rules(priv, ethflow); | |
828 | ||
829 | /* Write back the popped out rules again */ | |
830 | for (k = j+1; k < MAX_FILER_IDX; k++) { | |
6c43e046 WJB |
831 | priv->ftp_rqfpr[priv->cur_filer_idx] = local_rqfpr[k]; |
832 | priv->ftp_rqfcr[priv->cur_filer_idx] = local_rqfcr[k]; | |
7a8b3372 | 833 | gfar_write_filer(priv, priv->cur_filer_idx, |
cbfc6071 | 834 | local_rqfcr[k], local_rqfpr[k]); |
7a8b3372 SG |
835 | if (!priv->cur_filer_idx) |
836 | break; | |
837 | priv->cur_filer_idx = priv->cur_filer_idx - 1; | |
838 | } | |
839 | ||
588dc911 WS |
840 | err: |
841 | kfree(local_rqfcr); | |
842 | kfree(local_rqfpr); | |
843 | return ret; | |
7a8b3372 SG |
844 | } |
845 | ||
cbfc6071 JC |
846 | static int gfar_set_hash_opts(struct gfar_private *priv, |
847 | struct ethtool_rxnfc *cmd) | |
7a8b3372 | 848 | { |
7a8b3372 SG |
849 | /* write the filer rules here */ |
850 | if (!gfar_ethflow_to_filer_table(priv, cmd->data, cmd->flow_type)) | |
bde3528f | 851 | return -EINVAL; |
7a8b3372 SG |
852 | |
853 | return 0; | |
854 | } | |
855 | ||
4aa3a715 SP |
856 | static int gfar_check_filer_hardware(struct gfar_private *priv) |
857 | { | |
42851e88 | 858 | struct gfar __iomem *regs = priv->gfargrp[0].regs; |
4aa3a715 SP |
859 | u32 i; |
860 | ||
4aa3a715 SP |
861 | /* Check if we are in FIFO mode */ |
862 | i = gfar_read(®s->ecntrl); | |
863 | i &= ECNTRL_FIFM; | |
864 | if (i == ECNTRL_FIFM) { | |
865 | netdev_notice(priv->ndev, "Interface in FIFO mode\n"); | |
866 | i = gfar_read(®s->rctrl); | |
867 | i &= RCTRL_PRSDEP_MASK | RCTRL_PRSFM; | |
868 | if (i == (RCTRL_PRSDEP_MASK | RCTRL_PRSFM)) { | |
869 | netdev_info(priv->ndev, | |
cbfc6071 | 870 | "Receive Queue Filtering enabled\n"); |
4aa3a715 SP |
871 | } else { |
872 | netdev_warn(priv->ndev, | |
cbfc6071 | 873 | "Receive Queue Filtering disabled\n"); |
4aa3a715 SP |
874 | return -EOPNOTSUPP; |
875 | } | |
876 | } | |
877 | /* Or in standard mode */ | |
878 | else { | |
879 | i = gfar_read(®s->rctrl); | |
880 | i &= RCTRL_PRSDEP_MASK; | |
881 | if (i == RCTRL_PRSDEP_MASK) { | |
882 | netdev_info(priv->ndev, | |
cbfc6071 | 883 | "Receive Queue Filtering enabled\n"); |
4aa3a715 SP |
884 | } else { |
885 | netdev_warn(priv->ndev, | |
cbfc6071 | 886 | "Receive Queue Filtering disabled\n"); |
4aa3a715 SP |
887 | return -EOPNOTSUPP; |
888 | } | |
889 | } | |
890 | ||
891 | /* Sets the properties for arbitrary filer rule | |
cbfc6071 JC |
892 | * to the first 4 Layer 4 Bytes |
893 | */ | |
42851e88 | 894 | gfar_write(®s->rbifx, 0xC0C1C2C3); |
4aa3a715 SP |
895 | return 0; |
896 | } | |
897 | ||
898 | static int gfar_comp_asc(const void *a, const void *b) | |
899 | { | |
900 | return memcmp(a, b, 4); | |
901 | } | |
902 | ||
903 | static int gfar_comp_desc(const void *a, const void *b) | |
904 | { | |
905 | return -memcmp(a, b, 4); | |
906 | } | |
907 | ||
908 | static void gfar_swap(void *a, void *b, int size) | |
909 | { | |
910 | u32 *_a = a; | |
911 | u32 *_b = b; | |
912 | ||
913 | swap(_a[0], _b[0]); | |
914 | swap(_a[1], _b[1]); | |
915 | swap(_a[2], _b[2]); | |
916 | swap(_a[3], _b[3]); | |
917 | } | |
918 | ||
919 | /* Write a mask to filer cache */ | |
920 | static void gfar_set_mask(u32 mask, struct filer_table *tab) | |
921 | { | |
922 | tab->fe[tab->index].ctrl = RQFCR_AND | RQFCR_PID_MASK | RQFCR_CMP_EXACT; | |
923 | tab->fe[tab->index].prop = mask; | |
924 | tab->index++; | |
925 | } | |
926 | ||
927 | /* Sets parse bits (e.g. IP or TCP) */ | |
928 | static void gfar_set_parse_bits(u32 value, u32 mask, struct filer_table *tab) | |
929 | { | |
930 | gfar_set_mask(mask, tab); | |
cbfc6071 JC |
931 | tab->fe[tab->index].ctrl = RQFCR_CMP_EXACT | RQFCR_PID_PARSE | |
932 | RQFCR_AND; | |
4aa3a715 SP |
933 | tab->fe[tab->index].prop = value; |
934 | tab->index++; | |
935 | } | |
936 | ||
937 | static void gfar_set_general_attribute(u32 value, u32 mask, u32 flag, | |
cbfc6071 | 938 | struct filer_table *tab) |
4aa3a715 SP |
939 | { |
940 | gfar_set_mask(mask, tab); | |
941 | tab->fe[tab->index].ctrl = RQFCR_CMP_EXACT | RQFCR_AND | flag; | |
942 | tab->fe[tab->index].prop = value; | |
943 | tab->index++; | |
944 | } | |
945 | ||
cbfc6071 | 946 | /* For setting a tuple of value and mask of type flag |
4aa3a715 SP |
947 | * Example: |
948 | * IP-Src = 10.0.0.0/255.0.0.0 | |
949 | * value: 0x0A000000 mask: FF000000 flag: RQFPR_IPV4 | |
950 | * | |
951 | * Ethtool gives us a value=0 and mask=~0 for don't care a tuple | |
952 | * For a don't care mask it gives us a 0 | |
953 | * | |
954 | * The check if don't care and the mask adjustment if mask=0 is done for VLAN | |
955 | * and MAC stuff on an upper level (due to missing information on this level). | |
956 | * For these guys we can discard them if they are value=0 and mask=0. | |
957 | * | |
958 | * Further the all masks are one-padded for better hardware efficiency. | |
959 | */ | |
960 | static void gfar_set_attribute(u32 value, u32 mask, u32 flag, | |
cbfc6071 | 961 | struct filer_table *tab) |
4aa3a715 SP |
962 | { |
963 | switch (flag) { | |
380b153c | 964 | /* 3bit */ |
4aa3a715 SP |
965 | case RQFCR_PID_PRI: |
966 | if (!(value | mask)) | |
967 | return; | |
968 | mask |= RQFCR_PID_PRI_MASK; | |
969 | break; | |
970 | /* 8bit */ | |
971 | case RQFCR_PID_L4P: | |
972 | case RQFCR_PID_TOS: | |
973 | if (!~(mask | RQFCR_PID_L4P_MASK)) | |
974 | return; | |
975 | if (!mask) | |
976 | mask = ~0; | |
977 | else | |
978 | mask |= RQFCR_PID_L4P_MASK; | |
979 | break; | |
980 | /* 12bit */ | |
981 | case RQFCR_PID_VID: | |
982 | if (!(value | mask)) | |
983 | return; | |
984 | mask |= RQFCR_PID_VID_MASK; | |
985 | break; | |
986 | /* 16bit */ | |
987 | case RQFCR_PID_DPT: | |
988 | case RQFCR_PID_SPT: | |
989 | case RQFCR_PID_ETY: | |
990 | if (!~(mask | RQFCR_PID_PORT_MASK)) | |
991 | return; | |
992 | if (!mask) | |
993 | mask = ~0; | |
994 | else | |
995 | mask |= RQFCR_PID_PORT_MASK; | |
996 | break; | |
997 | /* 24bit */ | |
998 | case RQFCR_PID_DAH: | |
999 | case RQFCR_PID_DAL: | |
1000 | case RQFCR_PID_SAH: | |
1001 | case RQFCR_PID_SAL: | |
1002 | if (!(value | mask)) | |
1003 | return; | |
1004 | mask |= RQFCR_PID_MAC_MASK; | |
1005 | break; | |
1006 | /* for all real 32bit masks */ | |
1007 | default: | |
1008 | if (!~mask) | |
1009 | return; | |
1010 | if (!mask) | |
1011 | mask = ~0; | |
1012 | break; | |
1013 | } | |
1014 | gfar_set_general_attribute(value, mask, flag, tab); | |
1015 | } | |
1016 | ||
1017 | /* Translates value and mask for UDP, TCP or SCTP */ | |
1018 | static void gfar_set_basic_ip(struct ethtool_tcpip4_spec *value, | |
cbfc6071 JC |
1019 | struct ethtool_tcpip4_spec *mask, |
1020 | struct filer_table *tab) | |
4aa3a715 | 1021 | { |
42851e88 CM |
1022 | gfar_set_attribute(be32_to_cpu(value->ip4src), |
1023 | be32_to_cpu(mask->ip4src), | |
1024 | RQFCR_PID_SIA, tab); | |
1025 | gfar_set_attribute(be32_to_cpu(value->ip4dst), | |
1026 | be32_to_cpu(mask->ip4dst), | |
1027 | RQFCR_PID_DIA, tab); | |
1028 | gfar_set_attribute(be16_to_cpu(value->pdst), | |
1029 | be16_to_cpu(mask->pdst), | |
1030 | RQFCR_PID_DPT, tab); | |
1031 | gfar_set_attribute(be16_to_cpu(value->psrc), | |
1032 | be16_to_cpu(mask->psrc), | |
1033 | RQFCR_PID_SPT, tab); | |
4aa3a715 SP |
1034 | gfar_set_attribute(value->tos, mask->tos, RQFCR_PID_TOS, tab); |
1035 | } | |
1036 | ||
1037 | /* Translates value and mask for RAW-IP4 */ | |
1038 | static void gfar_set_user_ip(struct ethtool_usrip4_spec *value, | |
cbfc6071 JC |
1039 | struct ethtool_usrip4_spec *mask, |
1040 | struct filer_table *tab) | |
4aa3a715 | 1041 | { |
42851e88 CM |
1042 | gfar_set_attribute(be32_to_cpu(value->ip4src), |
1043 | be32_to_cpu(mask->ip4src), | |
1044 | RQFCR_PID_SIA, tab); | |
1045 | gfar_set_attribute(be32_to_cpu(value->ip4dst), | |
1046 | be32_to_cpu(mask->ip4dst), | |
1047 | RQFCR_PID_DIA, tab); | |
4aa3a715 SP |
1048 | gfar_set_attribute(value->tos, mask->tos, RQFCR_PID_TOS, tab); |
1049 | gfar_set_attribute(value->proto, mask->proto, RQFCR_PID_L4P, tab); | |
42851e88 CM |
1050 | gfar_set_attribute(be32_to_cpu(value->l4_4_bytes), |
1051 | be32_to_cpu(mask->l4_4_bytes), | |
1052 | RQFCR_PID_ARB, tab); | |
4aa3a715 SP |
1053 | |
1054 | } | |
1055 | ||
1056 | /* Translates value and mask for ETHER spec */ | |
1057 | static void gfar_set_ether(struct ethhdr *value, struct ethhdr *mask, | |
cbfc6071 | 1058 | struct filer_table *tab) |
4aa3a715 SP |
1059 | { |
1060 | u32 upper_temp_mask = 0; | |
1061 | u32 lower_temp_mask = 0; | |
cbfc6071 | 1062 | |
4aa3a715 SP |
1063 | /* Source address */ |
1064 | if (!is_broadcast_ether_addr(mask->h_source)) { | |
4aa3a715 SP |
1065 | if (is_zero_ether_addr(mask->h_source)) { |
1066 | upper_temp_mask = 0xFFFFFFFF; | |
1067 | lower_temp_mask = 0xFFFFFFFF; | |
1068 | } else { | |
cbfc6071 JC |
1069 | upper_temp_mask = mask->h_source[0] << 16 | |
1070 | mask->h_source[1] << 8 | | |
1071 | mask->h_source[2]; | |
1072 | lower_temp_mask = mask->h_source[3] << 16 | | |
1073 | mask->h_source[4] << 8 | | |
1074 | mask->h_source[5]; | |
4aa3a715 SP |
1075 | } |
1076 | /* Upper 24bit */ | |
cbfc6071 JC |
1077 | gfar_set_attribute(value->h_source[0] << 16 | |
1078 | value->h_source[1] << 8 | | |
1079 | value->h_source[2], | |
1080 | upper_temp_mask, RQFCR_PID_SAH, tab); | |
4aa3a715 | 1081 | /* And the same for the lower part */ |
cbfc6071 JC |
1082 | gfar_set_attribute(value->h_source[3] << 16 | |
1083 | value->h_source[4] << 8 | | |
1084 | value->h_source[5], | |
1085 | lower_temp_mask, RQFCR_PID_SAL, tab); | |
4aa3a715 SP |
1086 | } |
1087 | /* Destination address */ | |
1088 | if (!is_broadcast_ether_addr(mask->h_dest)) { | |
4aa3a715 | 1089 | /* Special for destination is limited broadcast */ |
cbfc6071 JC |
1090 | if ((is_broadcast_ether_addr(value->h_dest) && |
1091 | is_zero_ether_addr(mask->h_dest))) { | |
4aa3a715 SP |
1092 | gfar_set_parse_bits(RQFPR_EBC, RQFPR_EBC, tab); |
1093 | } else { | |
4aa3a715 SP |
1094 | if (is_zero_ether_addr(mask->h_dest)) { |
1095 | upper_temp_mask = 0xFFFFFFFF; | |
1096 | lower_temp_mask = 0xFFFFFFFF; | |
1097 | } else { | |
cbfc6071 JC |
1098 | upper_temp_mask = mask->h_dest[0] << 16 | |
1099 | mask->h_dest[1] << 8 | | |
1100 | mask->h_dest[2]; | |
1101 | lower_temp_mask = mask->h_dest[3] << 16 | | |
1102 | mask->h_dest[4] << 8 | | |
1103 | mask->h_dest[5]; | |
4aa3a715 SP |
1104 | } |
1105 | ||
1106 | /* Upper 24bit */ | |
cbfc6071 JC |
1107 | gfar_set_attribute(value->h_dest[0] << 16 | |
1108 | value->h_dest[1] << 8 | | |
1109 | value->h_dest[2], | |
1110 | upper_temp_mask, RQFCR_PID_DAH, tab); | |
4aa3a715 | 1111 | /* And the same for the lower part */ |
cbfc6071 JC |
1112 | gfar_set_attribute(value->h_dest[3] << 16 | |
1113 | value->h_dest[4] << 8 | | |
1114 | value->h_dest[5], | |
1115 | lower_temp_mask, RQFCR_PID_DAL, tab); | |
4aa3a715 SP |
1116 | } |
1117 | } | |
1118 | ||
42851e88 CM |
1119 | gfar_set_attribute(be16_to_cpu(value->h_proto), |
1120 | be16_to_cpu(mask->h_proto), | |
1121 | RQFCR_PID_ETY, tab); | |
1122 | } | |
1123 | ||
1124 | static inline u32 vlan_tci_vid(struct ethtool_rx_flow_spec *rule) | |
1125 | { | |
1126 | return be16_to_cpu(rule->h_ext.vlan_tci) & VLAN_VID_MASK; | |
1127 | } | |
1128 | ||
1129 | static inline u32 vlan_tci_vidm(struct ethtool_rx_flow_spec *rule) | |
1130 | { | |
1131 | return be16_to_cpu(rule->m_ext.vlan_tci) & VLAN_VID_MASK; | |
1132 | } | |
1133 | ||
1134 | static inline u32 vlan_tci_cfi(struct ethtool_rx_flow_spec *rule) | |
1135 | { | |
1136 | return be16_to_cpu(rule->h_ext.vlan_tci) & VLAN_CFI_MASK; | |
1137 | } | |
1138 | ||
1139 | static inline u32 vlan_tci_cfim(struct ethtool_rx_flow_spec *rule) | |
1140 | { | |
1141 | return be16_to_cpu(rule->m_ext.vlan_tci) & VLAN_CFI_MASK; | |
1142 | } | |
1143 | ||
1144 | static inline u32 vlan_tci_prio(struct ethtool_rx_flow_spec *rule) | |
1145 | { | |
1146 | return (be16_to_cpu(rule->h_ext.vlan_tci) & VLAN_PRIO_MASK) >> | |
1147 | VLAN_PRIO_SHIFT; | |
1148 | } | |
1149 | ||
1150 | static inline u32 vlan_tci_priom(struct ethtool_rx_flow_spec *rule) | |
1151 | { | |
1152 | return (be16_to_cpu(rule->m_ext.vlan_tci) & VLAN_PRIO_MASK) >> | |
1153 | VLAN_PRIO_SHIFT; | |
4aa3a715 SP |
1154 | } |
1155 | ||
1156 | /* Convert a rule to binary filter format of gianfar */ | |
1157 | static int gfar_convert_to_filer(struct ethtool_rx_flow_spec *rule, | |
cbfc6071 | 1158 | struct filer_table *tab) |
4aa3a715 SP |
1159 | { |
1160 | u32 vlan = 0, vlan_mask = 0; | |
1161 | u32 id = 0, id_mask = 0; | |
1162 | u32 cfi = 0, cfi_mask = 0; | |
1163 | u32 prio = 0, prio_mask = 0; | |
4aa3a715 SP |
1164 | u32 old_index = tab->index; |
1165 | ||
1166 | /* Check if vlan is wanted */ | |
42851e88 CM |
1167 | if ((rule->flow_type & FLOW_EXT) && |
1168 | (rule->m_ext.vlan_tci != cpu_to_be16(0xFFFF))) { | |
4aa3a715 | 1169 | if (!rule->m_ext.vlan_tci) |
42851e88 | 1170 | rule->m_ext.vlan_tci = cpu_to_be16(0xFFFF); |
4aa3a715 SP |
1171 | |
1172 | vlan = RQFPR_VLN; | |
1173 | vlan_mask = RQFPR_VLN; | |
1174 | ||
1175 | /* Separate the fields */ | |
42851e88 CM |
1176 | id = vlan_tci_vid(rule); |
1177 | id_mask = vlan_tci_vidm(rule); | |
1178 | cfi = vlan_tci_cfi(rule); | |
1179 | cfi_mask = vlan_tci_cfim(rule); | |
1180 | prio = vlan_tci_prio(rule); | |
1181 | prio_mask = vlan_tci_priom(rule); | |
380b153c SP |
1182 | |
1183 | if (cfi == VLAN_TAG_PRESENT && cfi_mask == VLAN_TAG_PRESENT) { | |
4aa3a715 SP |
1184 | vlan |= RQFPR_CFI; |
1185 | vlan_mask |= RQFPR_CFI; | |
cbfc6071 JC |
1186 | } else if (cfi != VLAN_TAG_PRESENT && |
1187 | cfi_mask == VLAN_TAG_PRESENT) { | |
4aa3a715 SP |
1188 | vlan_mask |= RQFPR_CFI; |
1189 | } | |
1190 | } | |
1191 | ||
1192 | switch (rule->flow_type & ~FLOW_EXT) { | |
1193 | case TCP_V4_FLOW: | |
1194 | gfar_set_parse_bits(RQFPR_IPV4 | RQFPR_TCP | vlan, | |
cbfc6071 | 1195 | RQFPR_IPV4 | RQFPR_TCP | vlan_mask, tab); |
4aa3a715 | 1196 | gfar_set_basic_ip(&rule->h_u.tcp_ip4_spec, |
cbfc6071 | 1197 | &rule->m_u.tcp_ip4_spec, tab); |
4aa3a715 SP |
1198 | break; |
1199 | case UDP_V4_FLOW: | |
1200 | gfar_set_parse_bits(RQFPR_IPV4 | RQFPR_UDP | vlan, | |
cbfc6071 | 1201 | RQFPR_IPV4 | RQFPR_UDP | vlan_mask, tab); |
4aa3a715 | 1202 | gfar_set_basic_ip(&rule->h_u.udp_ip4_spec, |
cbfc6071 | 1203 | &rule->m_u.udp_ip4_spec, tab); |
4aa3a715 SP |
1204 | break; |
1205 | case SCTP_V4_FLOW: | |
1206 | gfar_set_parse_bits(RQFPR_IPV4 | vlan, RQFPR_IPV4 | vlan_mask, | |
cbfc6071 | 1207 | tab); |
4aa3a715 | 1208 | gfar_set_attribute(132, 0, RQFCR_PID_L4P, tab); |
cbfc6071 JC |
1209 | gfar_set_basic_ip((struct ethtool_tcpip4_spec *)&rule->h_u, |
1210 | (struct ethtool_tcpip4_spec *)&rule->m_u, | |
1211 | tab); | |
4aa3a715 SP |
1212 | break; |
1213 | case IP_USER_FLOW: | |
1214 | gfar_set_parse_bits(RQFPR_IPV4 | vlan, RQFPR_IPV4 | vlan_mask, | |
cbfc6071 | 1215 | tab); |
4aa3a715 | 1216 | gfar_set_user_ip((struct ethtool_usrip4_spec *) &rule->h_u, |
cbfc6071 JC |
1217 | (struct ethtool_usrip4_spec *) &rule->m_u, |
1218 | tab); | |
4aa3a715 SP |
1219 | break; |
1220 | case ETHER_FLOW: | |
1221 | if (vlan) | |
1222 | gfar_set_parse_bits(vlan, vlan_mask, tab); | |
1223 | gfar_set_ether((struct ethhdr *) &rule->h_u, | |
cbfc6071 | 1224 | (struct ethhdr *) &rule->m_u, tab); |
4aa3a715 SP |
1225 | break; |
1226 | default: | |
1227 | return -1; | |
1228 | } | |
1229 | ||
1230 | /* Set the vlan attributes in the end */ | |
1231 | if (vlan) { | |
1232 | gfar_set_attribute(id, id_mask, RQFCR_PID_VID, tab); | |
1233 | gfar_set_attribute(prio, prio_mask, RQFCR_PID_PRI, tab); | |
1234 | } | |
1235 | ||
1236 | /* If there has been nothing written till now, it must be a default */ | |
1237 | if (tab->index == old_index) { | |
1238 | gfar_set_mask(0xFFFFFFFF, tab); | |
1239 | tab->fe[tab->index].ctrl = 0x20; | |
1240 | tab->fe[tab->index].prop = 0x0; | |
1241 | tab->index++; | |
1242 | } | |
1243 | ||
1244 | /* Remove last AND */ | |
1245 | tab->fe[tab->index - 1].ctrl &= (~RQFCR_AND); | |
1246 | ||
1247 | /* Specify which queue to use or to drop */ | |
1248 | if (rule->ring_cookie == RX_CLS_FLOW_DISC) | |
1249 | tab->fe[tab->index - 1].ctrl |= RQFCR_RJE; | |
1250 | else | |
1251 | tab->fe[tab->index - 1].ctrl |= (rule->ring_cookie << 10); | |
1252 | ||
1253 | /* Only big enough entries can be clustered */ | |
1254 | if (tab->index > (old_index + 2)) { | |
1255 | tab->fe[old_index + 1].ctrl |= RQFCR_CLE; | |
1256 | tab->fe[tab->index - 1].ctrl |= RQFCR_CLE; | |
1257 | } | |
1258 | ||
cbfc6071 JC |
1259 | /* In rare cases the cache can be full while there is |
1260 | * free space in hw | |
1261 | */ | |
4aa3a715 SP |
1262 | if (tab->index > MAX_FILER_CACHE_IDX - 1) |
1263 | return -EBUSY; | |
1264 | ||
1265 | return 0; | |
1266 | } | |
1267 | ||
1268 | /* Copy size filer entries */ | |
1269 | static void gfar_copy_filer_entries(struct gfar_filer_entry dst[0], | |
cbfc6071 | 1270 | struct gfar_filer_entry src[0], s32 size) |
4aa3a715 SP |
1271 | { |
1272 | while (size > 0) { | |
1273 | size--; | |
1274 | dst[size].ctrl = src[size].ctrl; | |
1275 | dst[size].prop = src[size].prop; | |
1276 | } | |
1277 | } | |
1278 | ||
1279 | /* Delete the contents of the filer-table between start and end | |
cbfc6071 JC |
1280 | * and collapse them |
1281 | */ | |
4aa3a715 SP |
1282 | static int gfar_trim_filer_entries(u32 begin, u32 end, struct filer_table *tab) |
1283 | { | |
1284 | int length; | |
cbfc6071 | 1285 | |
4aa3a715 SP |
1286 | if (end > MAX_FILER_CACHE_IDX || end < begin) |
1287 | return -EINVAL; | |
1288 | ||
1289 | end++; | |
1290 | length = end - begin; | |
1291 | ||
1292 | /* Copy */ | |
1293 | while (end < tab->index) { | |
1294 | tab->fe[begin].ctrl = tab->fe[end].ctrl; | |
1295 | tab->fe[begin++].prop = tab->fe[end++].prop; | |
1296 | ||
1297 | } | |
1298 | /* Fill up with don't cares */ | |
1299 | while (begin < tab->index) { | |
1300 | tab->fe[begin].ctrl = 0x60; | |
1301 | tab->fe[begin].prop = 0xFFFFFFFF; | |
1302 | begin++; | |
1303 | } | |
1304 | ||
1305 | tab->index -= length; | |
1306 | return 0; | |
1307 | } | |
1308 | ||
1309 | /* Make space on the wanted location */ | |
1310 | static int gfar_expand_filer_entries(u32 begin, u32 length, | |
cbfc6071 | 1311 | struct filer_table *tab) |
4aa3a715 | 1312 | { |
cbfc6071 JC |
1313 | if (length == 0 || length + tab->index > MAX_FILER_CACHE_IDX || |
1314 | begin > MAX_FILER_CACHE_IDX) | |
4aa3a715 SP |
1315 | return -EINVAL; |
1316 | ||
1317 | gfar_copy_filer_entries(&(tab->fe[begin + length]), &(tab->fe[begin]), | |
cbfc6071 | 1318 | tab->index - length + 1); |
4aa3a715 SP |
1319 | |
1320 | tab->index += length; | |
1321 | return 0; | |
1322 | } | |
1323 | ||
1324 | static int gfar_get_next_cluster_start(int start, struct filer_table *tab) | |
1325 | { | |
cbfc6071 JC |
1326 | for (; (start < tab->index) && (start < MAX_FILER_CACHE_IDX - 1); |
1327 | start++) { | |
1328 | if ((tab->fe[start].ctrl & (RQFCR_AND | RQFCR_CLE)) == | |
1329 | (RQFCR_AND | RQFCR_CLE)) | |
4aa3a715 SP |
1330 | return start; |
1331 | } | |
1332 | return -1; | |
1333 | } | |
1334 | ||
1335 | static int gfar_get_next_cluster_end(int start, struct filer_table *tab) | |
1336 | { | |
cbfc6071 JC |
1337 | for (; (start < tab->index) && (start < MAX_FILER_CACHE_IDX - 1); |
1338 | start++) { | |
1339 | if ((tab->fe[start].ctrl & (RQFCR_AND | RQFCR_CLE)) == | |
1340 | (RQFCR_CLE)) | |
4aa3a715 SP |
1341 | return start; |
1342 | } | |
1343 | return -1; | |
1344 | } | |
1345 | ||
cbfc6071 | 1346 | /* Uses hardwares clustering option to reduce |
4aa3a715 SP |
1347 | * the number of filer table entries |
1348 | */ | |
1349 | static void gfar_cluster_filer(struct filer_table *tab) | |
1350 | { | |
1351 | s32 i = -1, j, iend, jend; | |
1352 | ||
1353 | while ((i = gfar_get_next_cluster_start(++i, tab)) != -1) { | |
1354 | j = i; | |
1355 | while ((j = gfar_get_next_cluster_start(++j, tab)) != -1) { | |
cbfc6071 | 1356 | /* The cluster entries self and the previous one |
4aa3a715 SP |
1357 | * (a mask) must be identical! |
1358 | */ | |
1359 | if (tab->fe[i].ctrl != tab->fe[j].ctrl) | |
1360 | break; | |
1361 | if (tab->fe[i].prop != tab->fe[j].prop) | |
1362 | break; | |
1363 | if (tab->fe[i - 1].ctrl != tab->fe[j - 1].ctrl) | |
1364 | break; | |
1365 | if (tab->fe[i - 1].prop != tab->fe[j - 1].prop) | |
1366 | break; | |
1367 | iend = gfar_get_next_cluster_end(i, tab); | |
1368 | jend = gfar_get_next_cluster_end(j, tab); | |
1369 | if (jend == -1 || iend == -1) | |
1370 | break; | |
cbfc6071 JC |
1371 | |
1372 | /* First we make some free space, where our cluster | |
4aa3a715 SP |
1373 | * element should be. Then we copy it there and finally |
1374 | * delete in from its old location. | |
1375 | */ | |
cbfc6071 JC |
1376 | if (gfar_expand_filer_entries(iend, (jend - j), tab) == |
1377 | -EINVAL) | |
4aa3a715 SP |
1378 | break; |
1379 | ||
1380 | gfar_copy_filer_entries(&(tab->fe[iend + 1]), | |
cbfc6071 | 1381 | &(tab->fe[jend + 1]), jend - j); |
4aa3a715 SP |
1382 | |
1383 | if (gfar_trim_filer_entries(jend - 1, | |
cbfc6071 JC |
1384 | jend + (jend - j), |
1385 | tab) == -EINVAL) | |
4aa3a715 SP |
1386 | return; |
1387 | ||
1388 | /* Mask out cluster bit */ | |
1389 | tab->fe[iend].ctrl &= ~(RQFCR_CLE); | |
1390 | } | |
1391 | } | |
1392 | } | |
1393 | ||
380b153c SP |
1394 | /* Swaps the masked bits of a1<>a2 and b1<>b2 */ |
1395 | static void gfar_swap_bits(struct gfar_filer_entry *a1, | |
cbfc6071 JC |
1396 | struct gfar_filer_entry *a2, |
1397 | struct gfar_filer_entry *b1, | |
1398 | struct gfar_filer_entry *b2, u32 mask) | |
4aa3a715 SP |
1399 | { |
1400 | u32 temp[4]; | |
380b153c SP |
1401 | temp[0] = a1->ctrl & mask; |
1402 | temp[1] = a2->ctrl & mask; | |
1403 | temp[2] = b1->ctrl & mask; | |
1404 | temp[3] = b2->ctrl & mask; | |
4aa3a715 | 1405 | |
380b153c SP |
1406 | a1->ctrl &= ~mask; |
1407 | a2->ctrl &= ~mask; | |
1408 | b1->ctrl &= ~mask; | |
1409 | b2->ctrl &= ~mask; | |
4aa3a715 SP |
1410 | |
1411 | a1->ctrl |= temp[1]; | |
1412 | a2->ctrl |= temp[0]; | |
1413 | b1->ctrl |= temp[3]; | |
1414 | b2->ctrl |= temp[2]; | |
1415 | } | |
1416 | ||
cbfc6071 | 1417 | /* Generate a list consisting of masks values with their start and |
4aa3a715 SP |
1418 | * end of validity and block as indicator for parts belonging |
1419 | * together (glued by ANDs) in mask_table | |
1420 | */ | |
1421 | static u32 gfar_generate_mask_table(struct gfar_mask_entry *mask_table, | |
cbfc6071 | 1422 | struct filer_table *tab) |
4aa3a715 SP |
1423 | { |
1424 | u32 i, and_index = 0, block_index = 1; | |
1425 | ||
1426 | for (i = 0; i < tab->index; i++) { | |
1427 | ||
1428 | /* LSByte of control = 0 sets a mask */ | |
1429 | if (!(tab->fe[i].ctrl & 0xF)) { | |
1430 | mask_table[and_index].mask = tab->fe[i].prop; | |
1431 | mask_table[and_index].start = i; | |
1432 | mask_table[and_index].block = block_index; | |
1433 | if (and_index >= 1) | |
1434 | mask_table[and_index - 1].end = i - 1; | |
1435 | and_index++; | |
1436 | } | |
380b153c | 1437 | /* cluster starts and ends will be separated because they should |
cbfc6071 JC |
1438 | * hold their position |
1439 | */ | |
4aa3a715 SP |
1440 | if (tab->fe[i].ctrl & RQFCR_CLE) |
1441 | block_index++; | |
1442 | /* A not set AND indicates the end of a depended block */ | |
1443 | if (!(tab->fe[i].ctrl & RQFCR_AND)) | |
1444 | block_index++; | |
4aa3a715 SP |
1445 | } |
1446 | ||
1447 | mask_table[and_index - 1].end = i - 1; | |
1448 | ||
1449 | return and_index; | |
1450 | } | |
1451 | ||
cbfc6071 | 1452 | /* Sorts the entries of mask_table by the values of the masks. |
4aa3a715 SP |
1453 | * Important: The 0xFF80 flags of the first and last entry of a |
1454 | * block must hold their position (which queue, CLusterEnable, ReJEct, | |
1455 | * AND) | |
1456 | */ | |
1457 | static void gfar_sort_mask_table(struct gfar_mask_entry *mask_table, | |
cbfc6071 | 1458 | struct filer_table *temp_table, u32 and_index) |
4aa3a715 SP |
1459 | { |
1460 | /* Pointer to compare function (_asc or _desc) */ | |
1461 | int (*gfar_comp)(const void *, const void *); | |
1462 | ||
1463 | u32 i, size = 0, start = 0, prev = 1; | |
1464 | u32 old_first, old_last, new_first, new_last; | |
1465 | ||
1466 | gfar_comp = &gfar_comp_desc; | |
1467 | ||
1468 | for (i = 0; i < and_index; i++) { | |
4aa3a715 SP |
1469 | if (prev != mask_table[i].block) { |
1470 | old_first = mask_table[start].start + 1; | |
1471 | old_last = mask_table[i - 1].end; | |
1472 | sort(mask_table + start, size, | |
cbfc6071 JC |
1473 | sizeof(struct gfar_mask_entry), |
1474 | gfar_comp, &gfar_swap); | |
4aa3a715 SP |
1475 | |
1476 | /* Toggle order for every block. This makes the | |
cbfc6071 JC |
1477 | * thing more efficient! |
1478 | */ | |
4aa3a715 SP |
1479 | if (gfar_comp == gfar_comp_desc) |
1480 | gfar_comp = &gfar_comp_asc; | |
1481 | else | |
1482 | gfar_comp = &gfar_comp_desc; | |
1483 | ||
1484 | new_first = mask_table[start].start + 1; | |
1485 | new_last = mask_table[i - 1].end; | |
1486 | ||
380b153c | 1487 | gfar_swap_bits(&temp_table->fe[new_first], |
cbfc6071 JC |
1488 | &temp_table->fe[old_first], |
1489 | &temp_table->fe[new_last], | |
1490 | &temp_table->fe[old_last], | |
1491 | RQFCR_QUEUE | RQFCR_CLE | | |
1492 | RQFCR_RJE | RQFCR_AND); | |
4aa3a715 SP |
1493 | |
1494 | start = i; | |
1495 | size = 0; | |
1496 | } | |
1497 | size++; | |
1498 | prev = mask_table[i].block; | |
1499 | } | |
4aa3a715 SP |
1500 | } |
1501 | ||
cbfc6071 | 1502 | /* Reduces the number of masks needed in the filer table to save entries |
4aa3a715 SP |
1503 | * This is done by sorting the masks of a depended block. A depended block is |
1504 | * identified by gluing ANDs or CLE. The sorting order toggles after every | |
1505 | * block. Of course entries in scope of a mask must change their location with | |
1506 | * it. | |
1507 | */ | |
1508 | static int gfar_optimize_filer_masks(struct filer_table *tab) | |
1509 | { | |
1510 | struct filer_table *temp_table; | |
1511 | struct gfar_mask_entry *mask_table; | |
1512 | ||
1513 | u32 and_index = 0, previous_mask = 0, i = 0, j = 0, size = 0; | |
1514 | s32 ret = 0; | |
1515 | ||
1516 | /* We need a copy of the filer table because | |
cbfc6071 JC |
1517 | * we want to change its order |
1518 | */ | |
b8ffdbd0 | 1519 | temp_table = kmemdup(tab, sizeof(*temp_table), GFP_KERNEL); |
4aa3a715 SP |
1520 | if (temp_table == NULL) |
1521 | return -ENOMEM; | |
4aa3a715 SP |
1522 | |
1523 | mask_table = kcalloc(MAX_FILER_CACHE_IDX / 2 + 1, | |
cbfc6071 | 1524 | sizeof(struct gfar_mask_entry), GFP_KERNEL); |
4aa3a715 SP |
1525 | |
1526 | if (mask_table == NULL) { | |
1527 | ret = -ENOMEM; | |
1528 | goto end; | |
1529 | } | |
1530 | ||
1531 | and_index = gfar_generate_mask_table(mask_table, tab); | |
1532 | ||
1533 | gfar_sort_mask_table(mask_table, temp_table, and_index); | |
1534 | ||
1535 | /* Now we can copy the data from our duplicated filer table to | |
cbfc6071 JC |
1536 | * the real one in the order the mask table says |
1537 | */ | |
4aa3a715 SP |
1538 | for (i = 0; i < and_index; i++) { |
1539 | size = mask_table[i].end - mask_table[i].start + 1; | |
1540 | gfar_copy_filer_entries(&(tab->fe[j]), | |
1541 | &(temp_table->fe[mask_table[i].start]), size); | |
1542 | j += size; | |
1543 | } | |
1544 | ||
1545 | /* And finally we just have to check for duplicated masks and drop the | |
cbfc6071 JC |
1546 | * second ones |
1547 | */ | |
4aa3a715 SP |
1548 | for (i = 0; i < tab->index && i < MAX_FILER_CACHE_IDX; i++) { |
1549 | if (tab->fe[i].ctrl == 0x80) { | |
1550 | previous_mask = i++; | |
1551 | break; | |
1552 | } | |
1553 | } | |
1554 | for (; i < tab->index && i < MAX_FILER_CACHE_IDX; i++) { | |
1555 | if (tab->fe[i].ctrl == 0x80) { | |
1556 | if (tab->fe[i].prop == tab->fe[previous_mask].prop) { | |
1557 | /* Two identical ones found! | |
cbfc6071 JC |
1558 | * So drop the second one! |
1559 | */ | |
4aa3a715 SP |
1560 | gfar_trim_filer_entries(i, i, tab); |
1561 | } else | |
1562 | /* Not identical! */ | |
1563 | previous_mask = i; | |
1564 | } | |
1565 | } | |
1566 | ||
1567 | kfree(mask_table); | |
1568 | end: kfree(temp_table); | |
1569 | return ret; | |
1570 | } | |
1571 | ||
1572 | /* Write the bit-pattern from software's buffer to hardware registers */ | |
1573 | static int gfar_write_filer_table(struct gfar_private *priv, | |
cbfc6071 | 1574 | struct filer_table *tab) |
4aa3a715 SP |
1575 | { |
1576 | u32 i = 0; | |
1577 | if (tab->index > MAX_FILER_IDX - 1) | |
1578 | return -EBUSY; | |
1579 | ||
4aa3a715 | 1580 | /* Fill regular entries */ |
cbfc6071 JC |
1581 | for (; i < MAX_FILER_IDX - 1 && (tab->fe[i].ctrl | tab->fe[i].ctrl); |
1582 | i++) | |
4aa3a715 SP |
1583 | gfar_write_filer(priv, i, tab->fe[i].ctrl, tab->fe[i].prop); |
1584 | /* Fill the rest with fall-troughs */ | |
1585 | for (; i < MAX_FILER_IDX - 1; i++) | |
1586 | gfar_write_filer(priv, i, 0x60, 0xFFFFFFFF); | |
1587 | /* Last entry must be default accept | |
cbfc6071 JC |
1588 | * because that's what people expect |
1589 | */ | |
4aa3a715 SP |
1590 | gfar_write_filer(priv, i, 0x20, 0x0); |
1591 | ||
4aa3a715 SP |
1592 | return 0; |
1593 | } | |
1594 | ||
1595 | static int gfar_check_capability(struct ethtool_rx_flow_spec *flow, | |
cbfc6071 | 1596 | struct gfar_private *priv) |
4aa3a715 SP |
1597 | { |
1598 | ||
1599 | if (flow->flow_type & FLOW_EXT) { | |
1600 | if (~flow->m_ext.data[0] || ~flow->m_ext.data[1]) | |
1601 | netdev_warn(priv->ndev, | |
cbfc6071 | 1602 | "User-specific data not supported!\n"); |
4aa3a715 SP |
1603 | if (~flow->m_ext.vlan_etype) |
1604 | netdev_warn(priv->ndev, | |
cbfc6071 | 1605 | "VLAN-etype not supported!\n"); |
4aa3a715 SP |
1606 | } |
1607 | if (flow->flow_type == IP_USER_FLOW) | |
1608 | if (flow->h_u.usr_ip4_spec.ip_ver != ETH_RX_NFC_IP4) | |
1609 | netdev_warn(priv->ndev, | |
cbfc6071 | 1610 | "IP-Version differing from IPv4 not supported!\n"); |
4aa3a715 SP |
1611 | |
1612 | return 0; | |
1613 | } | |
1614 | ||
1615 | static int gfar_process_filer_changes(struct gfar_private *priv) | |
1616 | { | |
1617 | struct ethtool_flow_spec_container *j; | |
1618 | struct filer_table *tab; | |
1619 | s32 i = 0; | |
1620 | s32 ret = 0; | |
1621 | ||
1622 | /* So index is set to zero, too! */ | |
1623 | tab = kzalloc(sizeof(*tab), GFP_KERNEL); | |
1624 | if (tab == NULL) | |
1625 | return -ENOMEM; | |
1626 | ||
1627 | /* Now convert the existing filer data from flow_spec into | |
cbfc6071 JC |
1628 | * filer tables binary format |
1629 | */ | |
4aa3a715 SP |
1630 | list_for_each_entry(j, &priv->rx_list.list, list) { |
1631 | ret = gfar_convert_to_filer(&j->fs, tab); | |
1632 | if (ret == -EBUSY) { | |
cbfc6071 JC |
1633 | netdev_err(priv->ndev, |
1634 | "Rule not added: No free space!\n"); | |
4aa3a715 SP |
1635 | goto end; |
1636 | } | |
1637 | if (ret == -1) { | |
cbfc6071 JC |
1638 | netdev_err(priv->ndev, |
1639 | "Rule not added: Unsupported Flow-type!\n"); | |
4aa3a715 SP |
1640 | goto end; |
1641 | } | |
1642 | } | |
1643 | ||
1644 | i = tab->index; | |
1645 | ||
1646 | /* Optimizations to save entries */ | |
1647 | gfar_cluster_filer(tab); | |
1648 | gfar_optimize_filer_masks(tab); | |
1649 | ||
375d6a1b | 1650 | pr_debug("\tSummary:\n" |
cbfc6071 JC |
1651 | "\tData on hardware: %d\n" |
1652 | "\tCompression rate: %d%%\n", | |
1653 | tab->index, 100 - (100 * tab->index) / i); | |
4aa3a715 SP |
1654 | |
1655 | /* Write everything to hardware */ | |
1656 | ret = gfar_write_filer_table(priv, tab); | |
1657 | if (ret == -EBUSY) { | |
1658 | netdev_err(priv->ndev, "Rule not added: No free space!\n"); | |
1659 | goto end; | |
1660 | } | |
1661 | ||
cbfc6071 JC |
1662 | end: |
1663 | kfree(tab); | |
4aa3a715 SP |
1664 | return ret; |
1665 | } | |
1666 | ||
1667 | static void gfar_invert_masks(struct ethtool_rx_flow_spec *flow) | |
1668 | { | |
1669 | u32 i = 0; | |
1670 | ||
1671 | for (i = 0; i < sizeof(flow->m_u); i++) | |
1672 | flow->m_u.hdata[i] ^= 0xFF; | |
1673 | ||
42851e88 CM |
1674 | flow->m_ext.vlan_etype ^= cpu_to_be16(0xFFFF); |
1675 | flow->m_ext.vlan_tci ^= cpu_to_be16(0xFFFF); | |
1676 | flow->m_ext.data[0] ^= cpu_to_be32(~0); | |
1677 | flow->m_ext.data[1] ^= cpu_to_be32(~0); | |
4aa3a715 SP |
1678 | } |
1679 | ||
1680 | static int gfar_add_cls(struct gfar_private *priv, | |
cbfc6071 | 1681 | struct ethtool_rx_flow_spec *flow) |
4aa3a715 SP |
1682 | { |
1683 | struct ethtool_flow_spec_container *temp, *comp; | |
1684 | int ret = 0; | |
1685 | ||
1686 | temp = kmalloc(sizeof(*temp), GFP_KERNEL); | |
1687 | if (temp == NULL) | |
1688 | return -ENOMEM; | |
1689 | memcpy(&temp->fs, flow, sizeof(temp->fs)); | |
1690 | ||
1691 | gfar_invert_masks(&temp->fs); | |
1692 | ret = gfar_check_capability(&temp->fs, priv); | |
1693 | if (ret) | |
1694 | goto clean_mem; | |
1695 | /* Link in the new element at the right @location */ | |
1696 | if (list_empty(&priv->rx_list.list)) { | |
1697 | ret = gfar_check_filer_hardware(priv); | |
1698 | if (ret != 0) | |
1699 | goto clean_mem; | |
1700 | list_add(&temp->list, &priv->rx_list.list); | |
1701 | goto process; | |
1702 | } else { | |
4aa3a715 SP |
1703 | list_for_each_entry(comp, &priv->rx_list.list, list) { |
1704 | if (comp->fs.location > flow->location) { | |
1705 | list_add_tail(&temp->list, &comp->list); | |
1706 | goto process; | |
1707 | } | |
1708 | if (comp->fs.location == flow->location) { | |
1709 | netdev_err(priv->ndev, | |
cbfc6071 JC |
1710 | "Rule not added: ID %d not free!\n", |
1711 | flow->location); | |
4aa3a715 SP |
1712 | ret = -EBUSY; |
1713 | goto clean_mem; | |
1714 | } | |
1715 | } | |
1716 | list_add_tail(&temp->list, &priv->rx_list.list); | |
1717 | } | |
1718 | ||
1719 | process: | |
1720 | ret = gfar_process_filer_changes(priv); | |
1721 | if (ret) | |
1722 | goto clean_list; | |
1723 | priv->rx_list.count++; | |
1724 | return ret; | |
1725 | ||
1726 | clean_list: | |
1727 | list_del(&temp->list); | |
1728 | clean_mem: | |
1729 | kfree(temp); | |
1730 | return ret; | |
1731 | } | |
1732 | ||
1733 | static int gfar_del_cls(struct gfar_private *priv, u32 loc) | |
1734 | { | |
1735 | struct ethtool_flow_spec_container *comp; | |
1736 | u32 ret = -EINVAL; | |
1737 | ||
1738 | if (list_empty(&priv->rx_list.list)) | |
1739 | return ret; | |
1740 | ||
1741 | list_for_each_entry(comp, &priv->rx_list.list, list) { | |
1742 | if (comp->fs.location == loc) { | |
1743 | list_del(&comp->list); | |
1744 | kfree(comp); | |
1745 | priv->rx_list.count--; | |
1746 | gfar_process_filer_changes(priv); | |
1747 | ret = 0; | |
1748 | break; | |
1749 | } | |
1750 | } | |
1751 | ||
1752 | return ret; | |
4aa3a715 SP |
1753 | } |
1754 | ||
1755 | static int gfar_get_cls(struct gfar_private *priv, struct ethtool_rxnfc *cmd) | |
1756 | { | |
1757 | struct ethtool_flow_spec_container *comp; | |
1758 | u32 ret = -EINVAL; | |
1759 | ||
1760 | list_for_each_entry(comp, &priv->rx_list.list, list) { | |
1761 | if (comp->fs.location == cmd->fs.location) { | |
1762 | memcpy(&cmd->fs, &comp->fs, sizeof(cmd->fs)); | |
1763 | gfar_invert_masks(&cmd->fs); | |
1764 | ret = 0; | |
1765 | break; | |
1766 | } | |
1767 | } | |
1768 | ||
1769 | return ret; | |
1770 | } | |
1771 | ||
1772 | static int gfar_get_cls_all(struct gfar_private *priv, | |
cbfc6071 | 1773 | struct ethtool_rxnfc *cmd, u32 *rule_locs) |
4aa3a715 SP |
1774 | { |
1775 | struct ethtool_flow_spec_container *comp; | |
1776 | u32 i = 0; | |
1777 | ||
1778 | list_for_each_entry(comp, &priv->rx_list.list, list) { | |
710778ff BH |
1779 | if (i == cmd->rule_cnt) |
1780 | return -EMSGSIZE; | |
1781 | rule_locs[i] = comp->fs.location; | |
1782 | i++; | |
4aa3a715 SP |
1783 | } |
1784 | ||
1785 | cmd->data = MAX_FILER_IDX; | |
473e64ee | 1786 | cmd->rule_cnt = i; |
4aa3a715 SP |
1787 | |
1788 | return 0; | |
1789 | } | |
1790 | ||
7a8b3372 SG |
1791 | static int gfar_set_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd) |
1792 | { | |
1793 | struct gfar_private *priv = netdev_priv(dev); | |
1794 | int ret = 0; | |
1795 | ||
0851133b CM |
1796 | if (test_bit(GFAR_RESETTING, &priv->state)) |
1797 | return -EBUSY; | |
1798 | ||
4aa3a715 SP |
1799 | mutex_lock(&priv->rx_queue_access); |
1800 | ||
1801 | switch (cmd->cmd) { | |
7a8b3372 SG |
1802 | case ETHTOOL_SRXFH: |
1803 | ret = gfar_set_hash_opts(priv, cmd); | |
1804 | break; | |
4aa3a715 | 1805 | case ETHTOOL_SRXCLSRLINS: |
3a73e49c BH |
1806 | if ((cmd->fs.ring_cookie != RX_CLS_FLOW_DISC && |
1807 | cmd->fs.ring_cookie >= priv->num_rx_queues) || | |
1808 | cmd->fs.location >= MAX_FILER_IDX) { | |
4aa3a715 SP |
1809 | ret = -EINVAL; |
1810 | break; | |
1811 | } | |
1812 | ret = gfar_add_cls(priv, &cmd->fs); | |
1813 | break; | |
1814 | case ETHTOOL_SRXCLSRLDEL: | |
1815 | ret = gfar_del_cls(priv, cmd->fs.location); | |
1816 | break; | |
7a8b3372 SG |
1817 | default: |
1818 | ret = -EINVAL; | |
1819 | } | |
1820 | ||
4aa3a715 SP |
1821 | mutex_unlock(&priv->rx_queue_access); |
1822 | ||
1823 | return ret; | |
1824 | } | |
1825 | ||
1826 | static int gfar_get_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd, | |
cbfc6071 | 1827 | u32 *rule_locs) |
4aa3a715 SP |
1828 | { |
1829 | struct gfar_private *priv = netdev_priv(dev); | |
1830 | int ret = 0; | |
1831 | ||
1832 | switch (cmd->cmd) { | |
1833 | case ETHTOOL_GRXRINGS: | |
1834 | cmd->data = priv->num_rx_queues; | |
1835 | break; | |
1836 | case ETHTOOL_GRXCLSRLCNT: | |
1837 | cmd->rule_cnt = priv->rx_list.count; | |
1838 | break; | |
1839 | case ETHTOOL_GRXCLSRULE: | |
1840 | ret = gfar_get_cls(priv, cmd); | |
1841 | break; | |
1842 | case ETHTOOL_GRXCLSRLALL: | |
815c7db5 | 1843 | ret = gfar_get_cls_all(priv, cmd, rule_locs); |
4aa3a715 SP |
1844 | break; |
1845 | default: | |
1846 | ret = -EINVAL; | |
1847 | break; | |
1848 | } | |
1849 | ||
7a8b3372 SG |
1850 | return ret; |
1851 | } | |
1852 | ||
66636287 | 1853 | int gfar_phc_index = -1; |
28889b7e | 1854 | EXPORT_SYMBOL(gfar_phc_index); |
66636287 RC |
1855 | |
1856 | static int gfar_get_ts_info(struct net_device *dev, | |
1857 | struct ethtool_ts_info *info) | |
1858 | { | |
1859 | struct gfar_private *priv = netdev_priv(dev); | |
1860 | ||
1861 | if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_TIMER)) { | |
cbfc6071 JC |
1862 | info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE | |
1863 | SOF_TIMESTAMPING_SOFTWARE; | |
66636287 RC |
1864 | info->phc_index = -1; |
1865 | return 0; | |
1866 | } | |
cbfc6071 JC |
1867 | info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE | |
1868 | SOF_TIMESTAMPING_RX_HARDWARE | | |
1869 | SOF_TIMESTAMPING_RAW_HARDWARE; | |
66636287 | 1870 | info->phc_index = gfar_phc_index; |
cbfc6071 JC |
1871 | info->tx_types = (1 << HWTSTAMP_TX_OFF) | |
1872 | (1 << HWTSTAMP_TX_ON); | |
1873 | info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) | | |
1874 | (1 << HWTSTAMP_FILTER_ALL); | |
66636287 RC |
1875 | return 0; |
1876 | } | |
1877 | ||
7282d491 | 1878 | const struct ethtool_ops gfar_ethtool_ops = { |
1da177e4 | 1879 | .get_settings = gfar_gsettings, |
bb40dcbb | 1880 | .set_settings = gfar_ssettings, |
1da177e4 LT |
1881 | .get_drvinfo = gfar_gdrvinfo, |
1882 | .get_regs_len = gfar_reglen, | |
1883 | .get_regs = gfar_get_regs, | |
1884 | .get_link = ethtool_op_get_link, | |
1885 | .get_coalesce = gfar_gcoalesce, | |
1886 | .set_coalesce = gfar_scoalesce, | |
1887 | .get_ringparam = gfar_gringparam, | |
1888 | .set_ringparam = gfar_sringparam, | |
23402bdd CM |
1889 | .get_pauseparam = gfar_gpauseparam, |
1890 | .set_pauseparam = gfar_spauseparam, | |
1da177e4 | 1891 | .get_strings = gfar_gstrings, |
b9f2c044 | 1892 | .get_sset_count = gfar_sset_count, |
1da177e4 | 1893 | .get_ethtool_stats = gfar_fill_stats, |
0bbaf069 KG |
1894 | .get_msglevel = gfar_get_msglevel, |
1895 | .set_msglevel = gfar_set_msglevel, | |
d87eb127 SW |
1896 | #ifdef CONFIG_PM |
1897 | .get_wol = gfar_get_wol, | |
1898 | .set_wol = gfar_set_wol, | |
1899 | #endif | |
7a8b3372 | 1900 | .set_rxnfc = gfar_set_nfc, |
4aa3a715 | 1901 | .get_rxnfc = gfar_get_nfc, |
66636287 | 1902 | .get_ts_info = gfar_get_ts_info, |
1da177e4 | 1903 | }; |