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] = { |
76f31e8b CM |
64 | /* extra stats */ |
65 | "rx-allocation-errors", | |
1da177e4 LT |
66 | "rx-large-frame-errors", |
67 | "rx-short-frame-errors", | |
68 | "rx-non-octet-errors", | |
69 | "rx-crc-errors", | |
70 | "rx-overrun-errors", | |
71 | "rx-busy-errors", | |
72 | "rx-babbling-errors", | |
73 | "rx-truncated-frames", | |
74 | "ethernet-bus-error", | |
75 | "tx-babbling-errors", | |
76 | "tx-underrun-errors", | |
1da177e4 | 77 | "tx-timeout-errors", |
76f31e8b | 78 | /* rmon stats */ |
1da177e4 LT |
79 | "tx-rx-64-frames", |
80 | "tx-rx-65-127-frames", | |
81 | "tx-rx-128-255-frames", | |
82 | "tx-rx-256-511-frames", | |
83 | "tx-rx-512-1023-frames", | |
84 | "tx-rx-1024-1518-frames", | |
85 | "tx-rx-1519-1522-good-vlan", | |
86 | "rx-bytes", | |
87 | "rx-packets", | |
88 | "rx-fcs-errors", | |
89 | "receive-multicast-packet", | |
90 | "receive-broadcast-packet", | |
91 | "rx-control-frame-packets", | |
92 | "rx-pause-frame-packets", | |
93 | "rx-unknown-op-code", | |
94 | "rx-alignment-error", | |
95 | "rx-frame-length-error", | |
96 | "rx-code-error", | |
97 | "rx-carrier-sense-error", | |
98 | "rx-undersize-packets", | |
99 | "rx-oversize-packets", | |
100 | "rx-fragmented-frames", | |
101 | "rx-jabber-frames", | |
102 | "rx-dropped-frames", | |
103 | "tx-byte-counter", | |
104 | "tx-packets", | |
105 | "tx-multicast-packets", | |
106 | "tx-broadcast-packets", | |
107 | "tx-pause-control-frames", | |
108 | "tx-deferral-packets", | |
109 | "tx-excessive-deferral-packets", | |
110 | "tx-single-collision-packets", | |
111 | "tx-multiple-collision-packets", | |
112 | "tx-late-collision-packets", | |
113 | "tx-excessive-collision-packets", | |
114 | "tx-total-collision", | |
115 | "reserved", | |
116 | "tx-dropped-frames", | |
117 | "tx-jabber-frames", | |
118 | "tx-fcs-errors", | |
119 | "tx-control-frames", | |
120 | "tx-oversize-frames", | |
121 | "tx-undersize-frames", | |
122 | "tx-fragmented-frames", | |
123 | }; | |
124 | ||
0bbaf069 KG |
125 | /* Fill in a buffer with the strings which correspond to the |
126 | * stats */ | |
127 | static void gfar_gstrings(struct net_device *dev, u32 stringset, u8 * buf) | |
128 | { | |
129 | struct gfar_private *priv = netdev_priv(dev); | |
7f7f5316 | 130 | |
b31a1d8b | 131 | if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON) |
0bbaf069 KG |
132 | memcpy(buf, stat_gstrings, GFAR_STATS_LEN * ETH_GSTRING_LEN); |
133 | else | |
134 | memcpy(buf, stat_gstrings, | |
cbfc6071 | 135 | GFAR_EXTRA_STATS_LEN * ETH_GSTRING_LEN); |
0bbaf069 KG |
136 | } |
137 | ||
1da177e4 LT |
138 | /* Fill in an array of 64-bit statistics from various sources. |
139 | * This array will be appended to the end of the ethtool_stats | |
140 | * structure, and returned to user space | |
141 | */ | |
cbfc6071 JC |
142 | static void gfar_fill_stats(struct net_device *dev, struct ethtool_stats *dummy, |
143 | u64 *buf) | |
1da177e4 LT |
144 | { |
145 | int i; | |
146 | struct gfar_private *priv = netdev_priv(dev); | |
46ceb60c | 147 | struct gfar __iomem *regs = priv->gfargrp[0].regs; |
212079df | 148 | atomic64_t *extra = (atomic64_t *)&priv->extra_stats; |
1da177e4 | 149 | |
68719786 | 150 | for (i = 0; i < GFAR_EXTRA_STATS_LEN; i++) |
212079df | 151 | buf[i] = atomic64_read(&extra[i]); |
68719786 | 152 | |
b31a1d8b | 153 | if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON) { |
f4983704 | 154 | u32 __iomem *rmon = (u32 __iomem *) ®s->rmon; |
1da177e4 | 155 | |
68719786 PG |
156 | for (; i < GFAR_STATS_LEN; i++, rmon++) |
157 | buf[i] = (u64) gfar_read(rmon); | |
158 | } | |
1da177e4 LT |
159 | } |
160 | ||
b9f2c044 | 161 | static int gfar_sset_count(struct net_device *dev, int sset) |
1da177e4 | 162 | { |
1da177e4 | 163 | struct gfar_private *priv = netdev_priv(dev); |
1da177e4 | 164 | |
b9f2c044 JG |
165 | switch (sset) { |
166 | case ETH_SS_STATS: | |
b31a1d8b | 167 | if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON) |
b9f2c044 JG |
168 | return GFAR_STATS_LEN; |
169 | else | |
170 | return GFAR_EXTRA_STATS_LEN; | |
171 | default: | |
172 | return -EOPNOTSUPP; | |
173 | } | |
1da177e4 LT |
174 | } |
175 | ||
1da177e4 | 176 | /* Fills in the drvinfo structure with some basic info */ |
cbfc6071 JC |
177 | static void gfar_gdrvinfo(struct net_device *dev, |
178 | struct ethtool_drvinfo *drvinfo) | |
1da177e4 | 179 | { |
7826d43f JP |
180 | strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver)); |
181 | strlcpy(drvinfo->version, gfar_driver_version, | |
182 | sizeof(drvinfo->version)); | |
183 | strlcpy(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version)); | |
184 | strlcpy(drvinfo->bus_info, "N/A", sizeof(drvinfo->bus_info)); | |
1da177e4 LT |
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 | ||
98a46d46 CM |
536 | if (!phydev) |
537 | return -ENODEV; | |
538 | ||
23402bdd CM |
539 | if (!(phydev->supported & SUPPORTED_Pause) || |
540 | (!(phydev->supported & SUPPORTED_Asym_Pause) && | |
541 | (epause->rx_pause != epause->tx_pause))) | |
542 | return -EINVAL; | |
543 | ||
544 | priv->rx_pause_en = priv->tx_pause_en = 0; | |
545 | if (epause->rx_pause) { | |
546 | priv->rx_pause_en = 1; | |
547 | ||
548 | if (epause->tx_pause) { | |
549 | priv->tx_pause_en = 1; | |
550 | /* FLOW_CTRL_RX & TX */ | |
551 | newadv = ADVERTISED_Pause; | |
552 | } else /* FLOW_CTLR_RX */ | |
553 | newadv = ADVERTISED_Pause | ADVERTISED_Asym_Pause; | |
554 | } else if (epause->tx_pause) { | |
555 | priv->tx_pause_en = 1; | |
556 | /* FLOW_CTLR_TX */ | |
557 | newadv = ADVERTISED_Asym_Pause; | |
558 | } else | |
559 | newadv = 0; | |
560 | ||
561 | if (epause->autoneg) | |
562 | priv->pause_aneg_en = 1; | |
563 | else | |
564 | priv->pause_aneg_en = 0; | |
565 | ||
566 | oldadv = phydev->advertising & | |
567 | (ADVERTISED_Pause | ADVERTISED_Asym_Pause); | |
568 | if (oldadv != newadv) { | |
569 | phydev->advertising &= | |
570 | ~(ADVERTISED_Pause | ADVERTISED_Asym_Pause); | |
571 | phydev->advertising |= newadv; | |
572 | if (phydev->autoneg) | |
573 | /* inform link partner of our | |
574 | * new flow ctrl settings | |
575 | */ | |
576 | return phy_start_aneg(phydev); | |
577 | ||
578 | if (!epause->autoneg) { | |
579 | u32 tempval; | |
580 | tempval = gfar_read(®s->maccfg1); | |
581 | tempval &= ~(MACCFG1_TX_FLOW | MACCFG1_RX_FLOW); | |
45b679c9 MP |
582 | |
583 | priv->tx_actual_en = 0; | |
584 | if (priv->tx_pause_en) { | |
585 | priv->tx_actual_en = 1; | |
23402bdd | 586 | tempval |= MACCFG1_TX_FLOW; |
45b679c9 MP |
587 | } |
588 | ||
23402bdd CM |
589 | if (priv->rx_pause_en) |
590 | tempval |= MACCFG1_RX_FLOW; | |
591 | gfar_write(®s->maccfg1, tempval); | |
592 | } | |
593 | } | |
594 | ||
595 | return 0; | |
596 | } | |
597 | ||
c8f44aff | 598 | int gfar_set_features(struct net_device *dev, netdev_features_t features) |
0bbaf069 | 599 | { |
c8f44aff | 600 | netdev_features_t changed = dev->features ^ features; |
0851133b | 601 | struct gfar_private *priv = netdev_priv(dev); |
7cca336a | 602 | int err = 0; |
1da177e4 | 603 | |
88302648 CM |
604 | if (!(changed & (NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX | |
605 | NETIF_F_RXCSUM))) | |
8b3afe95 | 606 | return 0; |
a12f801d | 607 | |
0851133b CM |
608 | while (test_and_set_bit_lock(GFAR_RESETTING, &priv->state)) |
609 | cpu_relax(); | |
610 | ||
88302648 CM |
611 | dev->features = features; |
612 | ||
0bbaf069 | 613 | if (dev->flags & IFF_UP) { |
0bbaf069 | 614 | /* Now we take down the rings to rebuild them */ |
1da177e4 | 615 | stop_gfar(dev); |
1da177e4 | 616 | err = startup_gfar(dev); |
0851133b CM |
617 | } else { |
618 | gfar_mac_reset(priv); | |
12dea57b | 619 | } |
0851133b CM |
620 | |
621 | clear_bit_unlock(GFAR_RESETTING, &priv->state); | |
622 | ||
1da177e4 LT |
623 | return err; |
624 | } | |
625 | ||
0bbaf069 | 626 | static uint32_t gfar_get_msglevel(struct net_device *dev) |
6aa20a22 | 627 | { |
0bbaf069 | 628 | struct gfar_private *priv = netdev_priv(dev); |
cbfc6071 | 629 | |
0bbaf069 | 630 | return priv->msg_enable; |
6aa20a22 JG |
631 | } |
632 | ||
0bbaf069 | 633 | static void gfar_set_msglevel(struct net_device *dev, uint32_t data) |
6aa20a22 | 634 | { |
0bbaf069 | 635 | struct gfar_private *priv = netdev_priv(dev); |
cbfc6071 | 636 | |
0bbaf069 KG |
637 | priv->msg_enable = data; |
638 | } | |
639 | ||
d87eb127 SW |
640 | #ifdef CONFIG_PM |
641 | static void gfar_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) | |
642 | { | |
643 | struct gfar_private *priv = netdev_priv(dev); | |
644 | ||
3e905b80 CM |
645 | wol->supported = 0; |
646 | wol->wolopts = 0; | |
647 | ||
648 | if (priv->wol_supported & GFAR_WOL_MAGIC) | |
649 | wol->supported |= WAKE_MAGIC; | |
650 | ||
651 | if (priv->wol_supported & GFAR_WOL_FILER_UCAST) | |
652 | wol->supported |= WAKE_UCAST; | |
653 | ||
654 | if (priv->wol_opts & GFAR_WOL_MAGIC) | |
655 | wol->wolopts |= WAKE_MAGIC; | |
656 | ||
657 | if (priv->wol_opts & GFAR_WOL_FILER_UCAST) | |
658 | wol->wolopts |= WAKE_UCAST; | |
d87eb127 SW |
659 | } |
660 | ||
661 | static int gfar_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) | |
662 | { | |
663 | struct gfar_private *priv = netdev_priv(dev); | |
3e905b80 CM |
664 | u16 wol_opts = 0; |
665 | int err; | |
d87eb127 | 666 | |
3e905b80 | 667 | if (!priv->wol_supported && wol->wolopts) |
d87eb127 SW |
668 | return -EINVAL; |
669 | ||
3e905b80 | 670 | if (wol->wolopts & ~(WAKE_MAGIC | WAKE_UCAST)) |
d87eb127 SW |
671 | return -EINVAL; |
672 | ||
3e905b80 CM |
673 | if (wol->wolopts & WAKE_MAGIC) { |
674 | wol_opts |= GFAR_WOL_MAGIC; | |
675 | } else { | |
676 | if (wol->wolopts & WAKE_UCAST) | |
677 | wol_opts |= GFAR_WOL_FILER_UCAST; | |
678 | } | |
679 | ||
680 | wol_opts &= priv->wol_supported; | |
681 | priv->wol_opts = 0; | |
682 | ||
683 | err = device_set_wakeup_enable(priv->dev, wol_opts); | |
684 | if (err) | |
685 | return err; | |
6c4f1994 | 686 | |
3e905b80 | 687 | priv->wol_opts = wol_opts; |
d87eb127 SW |
688 | |
689 | return 0; | |
690 | } | |
691 | #endif | |
0bbaf069 | 692 | |
7a8b3372 SG |
693 | static void ethflow_to_filer_rules (struct gfar_private *priv, u64 ethflow) |
694 | { | |
695 | u32 fcr = 0x0, fpr = FPR_FILER_MASK; | |
696 | ||
697 | if (ethflow & RXH_L2DA) { | |
5188f7e5 | 698 | fcr = RQFCR_PID_DAH | RQFCR_CMP_NOMATCH | |
cbfc6071 | 699 | RQFCR_HASH | RQFCR_AND | RQFCR_HASHTBL_0; |
6c43e046 WJB |
700 | priv->ftp_rqfpr[priv->cur_filer_idx] = fpr; |
701 | priv->ftp_rqfcr[priv->cur_filer_idx] = fcr; | |
7a8b3372 SG |
702 | gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr); |
703 | priv->cur_filer_idx = priv->cur_filer_idx - 1; | |
704 | ||
5188f7e5 | 705 | fcr = RQFCR_PID_DAL | RQFCR_CMP_NOMATCH | |
cbfc6071 | 706 | RQFCR_HASH | RQFCR_AND | RQFCR_HASHTBL_0; |
6c43e046 WJB |
707 | priv->ftp_rqfpr[priv->cur_filer_idx] = fpr; |
708 | priv->ftp_rqfcr[priv->cur_filer_idx] = fcr; | |
7a8b3372 SG |
709 | gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr); |
710 | priv->cur_filer_idx = priv->cur_filer_idx - 1; | |
711 | } | |
712 | ||
713 | if (ethflow & RXH_VLAN) { | |
714 | fcr = RQFCR_PID_VID | RQFCR_CMP_NOMATCH | RQFCR_HASH | | |
cbfc6071 | 715 | RQFCR_AND | RQFCR_HASHTBL_0; |
7a8b3372 | 716 | gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr); |
6c43e046 WJB |
717 | priv->ftp_rqfpr[priv->cur_filer_idx] = fpr; |
718 | priv->ftp_rqfcr[priv->cur_filer_idx] = fcr; | |
7a8b3372 SG |
719 | priv->cur_filer_idx = priv->cur_filer_idx - 1; |
720 | } | |
721 | ||
722 | if (ethflow & RXH_IP_SRC) { | |
723 | fcr = RQFCR_PID_SIA | RQFCR_CMP_NOMATCH | RQFCR_HASH | | |
cbfc6071 | 724 | RQFCR_AND | RQFCR_HASHTBL_0; |
6c43e046 WJB |
725 | priv->ftp_rqfpr[priv->cur_filer_idx] = fpr; |
726 | priv->ftp_rqfcr[priv->cur_filer_idx] = fcr; | |
7a8b3372 SG |
727 | gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr); |
728 | priv->cur_filer_idx = priv->cur_filer_idx - 1; | |
729 | } | |
730 | ||
731 | if (ethflow & (RXH_IP_DST)) { | |
732 | fcr = RQFCR_PID_DIA | RQFCR_CMP_NOMATCH | RQFCR_HASH | | |
cbfc6071 | 733 | RQFCR_AND | RQFCR_HASHTBL_0; |
6c43e046 WJB |
734 | priv->ftp_rqfpr[priv->cur_filer_idx] = fpr; |
735 | priv->ftp_rqfcr[priv->cur_filer_idx] = fcr; | |
7a8b3372 SG |
736 | gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr); |
737 | priv->cur_filer_idx = priv->cur_filer_idx - 1; | |
738 | } | |
739 | ||
740 | if (ethflow & RXH_L3_PROTO) { | |
741 | fcr = RQFCR_PID_L4P | RQFCR_CMP_NOMATCH | RQFCR_HASH | | |
cbfc6071 | 742 | RQFCR_AND | RQFCR_HASHTBL_0; |
6c43e046 WJB |
743 | priv->ftp_rqfpr[priv->cur_filer_idx] = fpr; |
744 | priv->ftp_rqfcr[priv->cur_filer_idx] = fcr; | |
7a8b3372 SG |
745 | gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr); |
746 | priv->cur_filer_idx = priv->cur_filer_idx - 1; | |
747 | } | |
748 | ||
749 | if (ethflow & RXH_L4_B_0_1) { | |
750 | fcr = RQFCR_PID_SPT | RQFCR_CMP_NOMATCH | RQFCR_HASH | | |
cbfc6071 | 751 | RQFCR_AND | RQFCR_HASHTBL_0; |
6c43e046 WJB |
752 | priv->ftp_rqfpr[priv->cur_filer_idx] = fpr; |
753 | priv->ftp_rqfcr[priv->cur_filer_idx] = fcr; | |
7a8b3372 SG |
754 | gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr); |
755 | priv->cur_filer_idx = priv->cur_filer_idx - 1; | |
756 | } | |
757 | ||
758 | if (ethflow & RXH_L4_B_2_3) { | |
759 | fcr = RQFCR_PID_DPT | RQFCR_CMP_NOMATCH | RQFCR_HASH | | |
cbfc6071 | 760 | RQFCR_AND | RQFCR_HASHTBL_0; |
6c43e046 WJB |
761 | priv->ftp_rqfpr[priv->cur_filer_idx] = fpr; |
762 | priv->ftp_rqfcr[priv->cur_filer_idx] = fcr; | |
7a8b3372 SG |
763 | gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr); |
764 | priv->cur_filer_idx = priv->cur_filer_idx - 1; | |
765 | } | |
766 | } | |
767 | ||
cbfc6071 JC |
768 | static int gfar_ethflow_to_filer_table(struct gfar_private *priv, u64 ethflow, |
769 | u64 class) | |
7a8b3372 SG |
770 | { |
771 | unsigned int last_rule_idx = priv->cur_filer_idx; | |
772 | unsigned int cmp_rqfpr; | |
588dc911 WS |
773 | unsigned int *local_rqfpr; |
774 | unsigned int *local_rqfcr; | |
7a8b3372 SG |
775 | int i = 0x0, k = 0x0; |
776 | int j = MAX_FILER_IDX, l = 0x0; | |
588dc911 WS |
777 | int ret = 1; |
778 | ||
b2adaca9 JP |
779 | local_rqfpr = kmalloc_array(MAX_FILER_IDX + 1, sizeof(unsigned int), |
780 | GFP_KERNEL); | |
781 | local_rqfcr = kmalloc_array(MAX_FILER_IDX + 1, sizeof(unsigned int), | |
782 | GFP_KERNEL); | |
588dc911 | 783 | if (!local_rqfpr || !local_rqfcr) { |
588dc911 WS |
784 | ret = 0; |
785 | goto err; | |
786 | } | |
7a8b3372 SG |
787 | |
788 | switch (class) { | |
789 | case TCP_V4_FLOW: | |
790 | cmp_rqfpr = RQFPR_IPV4 |RQFPR_TCP; | |
791 | break; | |
792 | case UDP_V4_FLOW: | |
793 | cmp_rqfpr = RQFPR_IPV4 |RQFPR_UDP; | |
794 | break; | |
795 | case TCP_V6_FLOW: | |
796 | cmp_rqfpr = RQFPR_IPV6 |RQFPR_TCP; | |
797 | break; | |
798 | case UDP_V6_FLOW: | |
799 | cmp_rqfpr = RQFPR_IPV6 |RQFPR_UDP; | |
800 | break; | |
7a8b3372 | 801 | default: |
375d6a1b JP |
802 | netdev_err(priv->ndev, |
803 | "Right now this class is not supported\n"); | |
588dc911 WS |
804 | ret = 0; |
805 | goto err; | |
7a8b3372 SG |
806 | } |
807 | ||
808 | for (i = 0; i < MAX_FILER_IDX + 1; i++) { | |
6c43e046 WJB |
809 | local_rqfpr[j] = priv->ftp_rqfpr[i]; |
810 | local_rqfcr[j] = priv->ftp_rqfcr[i]; | |
7a8b3372 | 811 | j--; |
cbfc6071 JC |
812 | if ((priv->ftp_rqfcr[i] == |
813 | (RQFCR_PID_PARSE | RQFCR_CLE | RQFCR_AND)) && | |
814 | (priv->ftp_rqfpr[i] == cmp_rqfpr)) | |
7a8b3372 SG |
815 | break; |
816 | } | |
817 | ||
818 | if (i == MAX_FILER_IDX + 1) { | |
375d6a1b JP |
819 | netdev_err(priv->ndev, |
820 | "No parse rule found, can't create hash rules\n"); | |
588dc911 WS |
821 | ret = 0; |
822 | goto err; | |
7a8b3372 SG |
823 | } |
824 | ||
825 | /* If a match was found, then it begins the starting of a cluster rule | |
826 | * if it was already programmed, we need to overwrite these rules | |
827 | */ | |
828 | for (l = i+1; l < MAX_FILER_IDX; l++) { | |
6c43e046 | 829 | if ((priv->ftp_rqfcr[l] & RQFCR_CLE) && |
cbfc6071 | 830 | !(priv->ftp_rqfcr[l] & RQFCR_AND)) { |
6c43e046 | 831 | priv->ftp_rqfcr[l] = RQFCR_CLE | RQFCR_CMP_EXACT | |
cbfc6071 | 832 | RQFCR_HASHTBL_0 | RQFCR_PID_MASK; |
6c43e046 WJB |
833 | priv->ftp_rqfpr[l] = FPR_FILER_MASK; |
834 | gfar_write_filer(priv, l, priv->ftp_rqfcr[l], | |
cbfc6071 | 835 | priv->ftp_rqfpr[l]); |
7a8b3372 SG |
836 | break; |
837 | } | |
838 | ||
6c43e046 WJB |
839 | if (!(priv->ftp_rqfcr[l] & RQFCR_CLE) && |
840 | (priv->ftp_rqfcr[l] & RQFCR_AND)) | |
7a8b3372 SG |
841 | continue; |
842 | else { | |
6c43e046 WJB |
843 | local_rqfpr[j] = priv->ftp_rqfpr[l]; |
844 | local_rqfcr[j] = priv->ftp_rqfcr[l]; | |
7a8b3372 SG |
845 | j--; |
846 | } | |
847 | } | |
848 | ||
849 | priv->cur_filer_idx = l - 1; | |
850 | last_rule_idx = l; | |
851 | ||
852 | /* hash rules */ | |
853 | ethflow_to_filer_rules(priv, ethflow); | |
854 | ||
855 | /* Write back the popped out rules again */ | |
856 | for (k = j+1; k < MAX_FILER_IDX; k++) { | |
6c43e046 WJB |
857 | priv->ftp_rqfpr[priv->cur_filer_idx] = local_rqfpr[k]; |
858 | priv->ftp_rqfcr[priv->cur_filer_idx] = local_rqfcr[k]; | |
7a8b3372 | 859 | gfar_write_filer(priv, priv->cur_filer_idx, |
cbfc6071 | 860 | local_rqfcr[k], local_rqfpr[k]); |
7a8b3372 SG |
861 | if (!priv->cur_filer_idx) |
862 | break; | |
863 | priv->cur_filer_idx = priv->cur_filer_idx - 1; | |
864 | } | |
865 | ||
588dc911 WS |
866 | err: |
867 | kfree(local_rqfcr); | |
868 | kfree(local_rqfpr); | |
869 | return ret; | |
7a8b3372 SG |
870 | } |
871 | ||
cbfc6071 JC |
872 | static int gfar_set_hash_opts(struct gfar_private *priv, |
873 | struct ethtool_rxnfc *cmd) | |
7a8b3372 | 874 | { |
7a8b3372 SG |
875 | /* write the filer rules here */ |
876 | if (!gfar_ethflow_to_filer_table(priv, cmd->data, cmd->flow_type)) | |
bde3528f | 877 | return -EINVAL; |
7a8b3372 SG |
878 | |
879 | return 0; | |
880 | } | |
881 | ||
4aa3a715 SP |
882 | static int gfar_check_filer_hardware(struct gfar_private *priv) |
883 | { | |
42851e88 | 884 | struct gfar __iomem *regs = priv->gfargrp[0].regs; |
4aa3a715 SP |
885 | u32 i; |
886 | ||
4aa3a715 SP |
887 | /* Check if we are in FIFO mode */ |
888 | i = gfar_read(®s->ecntrl); | |
889 | i &= ECNTRL_FIFM; | |
890 | if (i == ECNTRL_FIFM) { | |
891 | netdev_notice(priv->ndev, "Interface in FIFO mode\n"); | |
892 | i = gfar_read(®s->rctrl); | |
893 | i &= RCTRL_PRSDEP_MASK | RCTRL_PRSFM; | |
894 | if (i == (RCTRL_PRSDEP_MASK | RCTRL_PRSFM)) { | |
895 | netdev_info(priv->ndev, | |
cbfc6071 | 896 | "Receive Queue Filtering enabled\n"); |
4aa3a715 SP |
897 | } else { |
898 | netdev_warn(priv->ndev, | |
cbfc6071 | 899 | "Receive Queue Filtering disabled\n"); |
4aa3a715 SP |
900 | return -EOPNOTSUPP; |
901 | } | |
902 | } | |
903 | /* Or in standard mode */ | |
904 | else { | |
905 | i = gfar_read(®s->rctrl); | |
906 | i &= RCTRL_PRSDEP_MASK; | |
907 | if (i == RCTRL_PRSDEP_MASK) { | |
908 | netdev_info(priv->ndev, | |
cbfc6071 | 909 | "Receive Queue Filtering enabled\n"); |
4aa3a715 SP |
910 | } else { |
911 | netdev_warn(priv->ndev, | |
cbfc6071 | 912 | "Receive Queue Filtering disabled\n"); |
4aa3a715 SP |
913 | return -EOPNOTSUPP; |
914 | } | |
915 | } | |
916 | ||
917 | /* Sets the properties for arbitrary filer rule | |
cbfc6071 JC |
918 | * to the first 4 Layer 4 Bytes |
919 | */ | |
42851e88 | 920 | gfar_write(®s->rbifx, 0xC0C1C2C3); |
4aa3a715 SP |
921 | return 0; |
922 | } | |
923 | ||
4aa3a715 SP |
924 | /* Write a mask to filer cache */ |
925 | static void gfar_set_mask(u32 mask, struct filer_table *tab) | |
926 | { | |
927 | tab->fe[tab->index].ctrl = RQFCR_AND | RQFCR_PID_MASK | RQFCR_CMP_EXACT; | |
928 | tab->fe[tab->index].prop = mask; | |
929 | tab->index++; | |
930 | } | |
931 | ||
932 | /* Sets parse bits (e.g. IP or TCP) */ | |
933 | static void gfar_set_parse_bits(u32 value, u32 mask, struct filer_table *tab) | |
934 | { | |
935 | gfar_set_mask(mask, tab); | |
cbfc6071 JC |
936 | tab->fe[tab->index].ctrl = RQFCR_CMP_EXACT | RQFCR_PID_PARSE | |
937 | RQFCR_AND; | |
4aa3a715 SP |
938 | tab->fe[tab->index].prop = value; |
939 | tab->index++; | |
940 | } | |
941 | ||
942 | static void gfar_set_general_attribute(u32 value, u32 mask, u32 flag, | |
cbfc6071 | 943 | struct filer_table *tab) |
4aa3a715 SP |
944 | { |
945 | gfar_set_mask(mask, tab); | |
946 | tab->fe[tab->index].ctrl = RQFCR_CMP_EXACT | RQFCR_AND | flag; | |
947 | tab->fe[tab->index].prop = value; | |
948 | tab->index++; | |
949 | } | |
950 | ||
cbfc6071 | 951 | /* For setting a tuple of value and mask of type flag |
4aa3a715 SP |
952 | * Example: |
953 | * IP-Src = 10.0.0.0/255.0.0.0 | |
954 | * value: 0x0A000000 mask: FF000000 flag: RQFPR_IPV4 | |
955 | * | |
956 | * Ethtool gives us a value=0 and mask=~0 for don't care a tuple | |
957 | * For a don't care mask it gives us a 0 | |
958 | * | |
959 | * The check if don't care and the mask adjustment if mask=0 is done for VLAN | |
960 | * and MAC stuff on an upper level (due to missing information on this level). | |
961 | * For these guys we can discard them if they are value=0 and mask=0. | |
962 | * | |
963 | * Further the all masks are one-padded for better hardware efficiency. | |
964 | */ | |
965 | static void gfar_set_attribute(u32 value, u32 mask, u32 flag, | |
cbfc6071 | 966 | struct filer_table *tab) |
4aa3a715 SP |
967 | { |
968 | switch (flag) { | |
380b153c | 969 | /* 3bit */ |
4aa3a715 SP |
970 | case RQFCR_PID_PRI: |
971 | if (!(value | mask)) | |
972 | return; | |
973 | mask |= RQFCR_PID_PRI_MASK; | |
974 | break; | |
975 | /* 8bit */ | |
976 | case RQFCR_PID_L4P: | |
977 | case RQFCR_PID_TOS: | |
978 | if (!~(mask | RQFCR_PID_L4P_MASK)) | |
979 | return; | |
980 | if (!mask) | |
981 | mask = ~0; | |
982 | else | |
983 | mask |= RQFCR_PID_L4P_MASK; | |
984 | break; | |
985 | /* 12bit */ | |
986 | case RQFCR_PID_VID: | |
987 | if (!(value | mask)) | |
988 | return; | |
989 | mask |= RQFCR_PID_VID_MASK; | |
990 | break; | |
991 | /* 16bit */ | |
992 | case RQFCR_PID_DPT: | |
993 | case RQFCR_PID_SPT: | |
994 | case RQFCR_PID_ETY: | |
995 | if (!~(mask | RQFCR_PID_PORT_MASK)) | |
996 | return; | |
997 | if (!mask) | |
998 | mask = ~0; | |
999 | else | |
1000 | mask |= RQFCR_PID_PORT_MASK; | |
1001 | break; | |
1002 | /* 24bit */ | |
1003 | case RQFCR_PID_DAH: | |
1004 | case RQFCR_PID_DAL: | |
1005 | case RQFCR_PID_SAH: | |
1006 | case RQFCR_PID_SAL: | |
1007 | if (!(value | mask)) | |
1008 | return; | |
1009 | mask |= RQFCR_PID_MAC_MASK; | |
1010 | break; | |
1011 | /* for all real 32bit masks */ | |
1012 | default: | |
1013 | if (!~mask) | |
1014 | return; | |
1015 | if (!mask) | |
1016 | mask = ~0; | |
1017 | break; | |
1018 | } | |
1019 | gfar_set_general_attribute(value, mask, flag, tab); | |
1020 | } | |
1021 | ||
1022 | /* Translates value and mask for UDP, TCP or SCTP */ | |
1023 | static void gfar_set_basic_ip(struct ethtool_tcpip4_spec *value, | |
cbfc6071 JC |
1024 | struct ethtool_tcpip4_spec *mask, |
1025 | struct filer_table *tab) | |
4aa3a715 | 1026 | { |
42851e88 CM |
1027 | gfar_set_attribute(be32_to_cpu(value->ip4src), |
1028 | be32_to_cpu(mask->ip4src), | |
1029 | RQFCR_PID_SIA, tab); | |
1030 | gfar_set_attribute(be32_to_cpu(value->ip4dst), | |
1031 | be32_to_cpu(mask->ip4dst), | |
1032 | RQFCR_PID_DIA, tab); | |
1033 | gfar_set_attribute(be16_to_cpu(value->pdst), | |
1034 | be16_to_cpu(mask->pdst), | |
1035 | RQFCR_PID_DPT, tab); | |
1036 | gfar_set_attribute(be16_to_cpu(value->psrc), | |
1037 | be16_to_cpu(mask->psrc), | |
1038 | RQFCR_PID_SPT, tab); | |
4aa3a715 SP |
1039 | gfar_set_attribute(value->tos, mask->tos, RQFCR_PID_TOS, tab); |
1040 | } | |
1041 | ||
1042 | /* Translates value and mask for RAW-IP4 */ | |
1043 | static void gfar_set_user_ip(struct ethtool_usrip4_spec *value, | |
cbfc6071 JC |
1044 | struct ethtool_usrip4_spec *mask, |
1045 | struct filer_table *tab) | |
4aa3a715 | 1046 | { |
42851e88 CM |
1047 | gfar_set_attribute(be32_to_cpu(value->ip4src), |
1048 | be32_to_cpu(mask->ip4src), | |
1049 | RQFCR_PID_SIA, tab); | |
1050 | gfar_set_attribute(be32_to_cpu(value->ip4dst), | |
1051 | be32_to_cpu(mask->ip4dst), | |
1052 | RQFCR_PID_DIA, tab); | |
4aa3a715 SP |
1053 | gfar_set_attribute(value->tos, mask->tos, RQFCR_PID_TOS, tab); |
1054 | gfar_set_attribute(value->proto, mask->proto, RQFCR_PID_L4P, tab); | |
42851e88 CM |
1055 | gfar_set_attribute(be32_to_cpu(value->l4_4_bytes), |
1056 | be32_to_cpu(mask->l4_4_bytes), | |
1057 | RQFCR_PID_ARB, tab); | |
4aa3a715 SP |
1058 | |
1059 | } | |
1060 | ||
1061 | /* Translates value and mask for ETHER spec */ | |
1062 | static void gfar_set_ether(struct ethhdr *value, struct ethhdr *mask, | |
cbfc6071 | 1063 | struct filer_table *tab) |
4aa3a715 SP |
1064 | { |
1065 | u32 upper_temp_mask = 0; | |
1066 | u32 lower_temp_mask = 0; | |
cbfc6071 | 1067 | |
4aa3a715 SP |
1068 | /* Source address */ |
1069 | if (!is_broadcast_ether_addr(mask->h_source)) { | |
4aa3a715 SP |
1070 | if (is_zero_ether_addr(mask->h_source)) { |
1071 | upper_temp_mask = 0xFFFFFFFF; | |
1072 | lower_temp_mask = 0xFFFFFFFF; | |
1073 | } else { | |
cbfc6071 JC |
1074 | upper_temp_mask = mask->h_source[0] << 16 | |
1075 | mask->h_source[1] << 8 | | |
1076 | mask->h_source[2]; | |
1077 | lower_temp_mask = mask->h_source[3] << 16 | | |
1078 | mask->h_source[4] << 8 | | |
1079 | mask->h_source[5]; | |
4aa3a715 SP |
1080 | } |
1081 | /* Upper 24bit */ | |
cbfc6071 JC |
1082 | gfar_set_attribute(value->h_source[0] << 16 | |
1083 | value->h_source[1] << 8 | | |
1084 | value->h_source[2], | |
1085 | upper_temp_mask, RQFCR_PID_SAH, tab); | |
4aa3a715 | 1086 | /* And the same for the lower part */ |
cbfc6071 JC |
1087 | gfar_set_attribute(value->h_source[3] << 16 | |
1088 | value->h_source[4] << 8 | | |
1089 | value->h_source[5], | |
1090 | lower_temp_mask, RQFCR_PID_SAL, tab); | |
4aa3a715 SP |
1091 | } |
1092 | /* Destination address */ | |
1093 | if (!is_broadcast_ether_addr(mask->h_dest)) { | |
4aa3a715 | 1094 | /* Special for destination is limited broadcast */ |
cbfc6071 JC |
1095 | if ((is_broadcast_ether_addr(value->h_dest) && |
1096 | is_zero_ether_addr(mask->h_dest))) { | |
4aa3a715 SP |
1097 | gfar_set_parse_bits(RQFPR_EBC, RQFPR_EBC, tab); |
1098 | } else { | |
4aa3a715 SP |
1099 | if (is_zero_ether_addr(mask->h_dest)) { |
1100 | upper_temp_mask = 0xFFFFFFFF; | |
1101 | lower_temp_mask = 0xFFFFFFFF; | |
1102 | } else { | |
cbfc6071 JC |
1103 | upper_temp_mask = mask->h_dest[0] << 16 | |
1104 | mask->h_dest[1] << 8 | | |
1105 | mask->h_dest[2]; | |
1106 | lower_temp_mask = mask->h_dest[3] << 16 | | |
1107 | mask->h_dest[4] << 8 | | |
1108 | mask->h_dest[5]; | |
4aa3a715 SP |
1109 | } |
1110 | ||
1111 | /* Upper 24bit */ | |
cbfc6071 JC |
1112 | gfar_set_attribute(value->h_dest[0] << 16 | |
1113 | value->h_dest[1] << 8 | | |
1114 | value->h_dest[2], | |
1115 | upper_temp_mask, RQFCR_PID_DAH, tab); | |
4aa3a715 | 1116 | /* And the same for the lower part */ |
cbfc6071 JC |
1117 | gfar_set_attribute(value->h_dest[3] << 16 | |
1118 | value->h_dest[4] << 8 | | |
1119 | value->h_dest[5], | |
1120 | lower_temp_mask, RQFCR_PID_DAL, tab); | |
4aa3a715 SP |
1121 | } |
1122 | } | |
1123 | ||
42851e88 CM |
1124 | gfar_set_attribute(be16_to_cpu(value->h_proto), |
1125 | be16_to_cpu(mask->h_proto), | |
1126 | RQFCR_PID_ETY, tab); | |
1127 | } | |
1128 | ||
1129 | static inline u32 vlan_tci_vid(struct ethtool_rx_flow_spec *rule) | |
1130 | { | |
1131 | return be16_to_cpu(rule->h_ext.vlan_tci) & VLAN_VID_MASK; | |
1132 | } | |
1133 | ||
1134 | static inline u32 vlan_tci_vidm(struct ethtool_rx_flow_spec *rule) | |
1135 | { | |
1136 | return be16_to_cpu(rule->m_ext.vlan_tci) & VLAN_VID_MASK; | |
1137 | } | |
1138 | ||
1139 | static inline u32 vlan_tci_cfi(struct ethtool_rx_flow_spec *rule) | |
1140 | { | |
1141 | return be16_to_cpu(rule->h_ext.vlan_tci) & VLAN_CFI_MASK; | |
1142 | } | |
1143 | ||
1144 | static inline u32 vlan_tci_cfim(struct ethtool_rx_flow_spec *rule) | |
1145 | { | |
1146 | return be16_to_cpu(rule->m_ext.vlan_tci) & VLAN_CFI_MASK; | |
1147 | } | |
1148 | ||
1149 | static inline u32 vlan_tci_prio(struct ethtool_rx_flow_spec *rule) | |
1150 | { | |
1151 | return (be16_to_cpu(rule->h_ext.vlan_tci) & VLAN_PRIO_MASK) >> | |
1152 | VLAN_PRIO_SHIFT; | |
1153 | } | |
1154 | ||
1155 | static inline u32 vlan_tci_priom(struct ethtool_rx_flow_spec *rule) | |
1156 | { | |
1157 | return (be16_to_cpu(rule->m_ext.vlan_tci) & VLAN_PRIO_MASK) >> | |
1158 | VLAN_PRIO_SHIFT; | |
4aa3a715 SP |
1159 | } |
1160 | ||
1161 | /* Convert a rule to binary filter format of gianfar */ | |
1162 | static int gfar_convert_to_filer(struct ethtool_rx_flow_spec *rule, | |
cbfc6071 | 1163 | struct filer_table *tab) |
4aa3a715 SP |
1164 | { |
1165 | u32 vlan = 0, vlan_mask = 0; | |
1166 | u32 id = 0, id_mask = 0; | |
1167 | u32 cfi = 0, cfi_mask = 0; | |
1168 | u32 prio = 0, prio_mask = 0; | |
4aa3a715 SP |
1169 | u32 old_index = tab->index; |
1170 | ||
1171 | /* Check if vlan is wanted */ | |
42851e88 CM |
1172 | if ((rule->flow_type & FLOW_EXT) && |
1173 | (rule->m_ext.vlan_tci != cpu_to_be16(0xFFFF))) { | |
4aa3a715 | 1174 | if (!rule->m_ext.vlan_tci) |
42851e88 | 1175 | rule->m_ext.vlan_tci = cpu_to_be16(0xFFFF); |
4aa3a715 SP |
1176 | |
1177 | vlan = RQFPR_VLN; | |
1178 | vlan_mask = RQFPR_VLN; | |
1179 | ||
1180 | /* Separate the fields */ | |
42851e88 CM |
1181 | id = vlan_tci_vid(rule); |
1182 | id_mask = vlan_tci_vidm(rule); | |
1183 | cfi = vlan_tci_cfi(rule); | |
1184 | cfi_mask = vlan_tci_cfim(rule); | |
1185 | prio = vlan_tci_prio(rule); | |
1186 | prio_mask = vlan_tci_priom(rule); | |
380b153c SP |
1187 | |
1188 | if (cfi == VLAN_TAG_PRESENT && cfi_mask == VLAN_TAG_PRESENT) { | |
4aa3a715 SP |
1189 | vlan |= RQFPR_CFI; |
1190 | vlan_mask |= RQFPR_CFI; | |
cbfc6071 JC |
1191 | } else if (cfi != VLAN_TAG_PRESENT && |
1192 | cfi_mask == VLAN_TAG_PRESENT) { | |
4aa3a715 SP |
1193 | vlan_mask |= RQFPR_CFI; |
1194 | } | |
1195 | } | |
1196 | ||
1197 | switch (rule->flow_type & ~FLOW_EXT) { | |
1198 | case TCP_V4_FLOW: | |
1199 | gfar_set_parse_bits(RQFPR_IPV4 | RQFPR_TCP | vlan, | |
cbfc6071 | 1200 | RQFPR_IPV4 | RQFPR_TCP | vlan_mask, tab); |
4aa3a715 | 1201 | gfar_set_basic_ip(&rule->h_u.tcp_ip4_spec, |
cbfc6071 | 1202 | &rule->m_u.tcp_ip4_spec, tab); |
4aa3a715 SP |
1203 | break; |
1204 | case UDP_V4_FLOW: | |
1205 | gfar_set_parse_bits(RQFPR_IPV4 | RQFPR_UDP | vlan, | |
cbfc6071 | 1206 | RQFPR_IPV4 | RQFPR_UDP | vlan_mask, tab); |
4aa3a715 | 1207 | gfar_set_basic_ip(&rule->h_u.udp_ip4_spec, |
cbfc6071 | 1208 | &rule->m_u.udp_ip4_spec, tab); |
4aa3a715 SP |
1209 | break; |
1210 | case SCTP_V4_FLOW: | |
1211 | gfar_set_parse_bits(RQFPR_IPV4 | vlan, RQFPR_IPV4 | vlan_mask, | |
cbfc6071 | 1212 | tab); |
4aa3a715 | 1213 | gfar_set_attribute(132, 0, RQFCR_PID_L4P, tab); |
cbfc6071 JC |
1214 | gfar_set_basic_ip((struct ethtool_tcpip4_spec *)&rule->h_u, |
1215 | (struct ethtool_tcpip4_spec *)&rule->m_u, | |
1216 | tab); | |
4aa3a715 SP |
1217 | break; |
1218 | case IP_USER_FLOW: | |
1219 | gfar_set_parse_bits(RQFPR_IPV4 | vlan, RQFPR_IPV4 | vlan_mask, | |
cbfc6071 | 1220 | tab); |
4aa3a715 | 1221 | gfar_set_user_ip((struct ethtool_usrip4_spec *) &rule->h_u, |
cbfc6071 JC |
1222 | (struct ethtool_usrip4_spec *) &rule->m_u, |
1223 | tab); | |
4aa3a715 SP |
1224 | break; |
1225 | case ETHER_FLOW: | |
1226 | if (vlan) | |
1227 | gfar_set_parse_bits(vlan, vlan_mask, tab); | |
1228 | gfar_set_ether((struct ethhdr *) &rule->h_u, | |
cbfc6071 | 1229 | (struct ethhdr *) &rule->m_u, tab); |
4aa3a715 SP |
1230 | break; |
1231 | default: | |
1232 | return -1; | |
1233 | } | |
1234 | ||
1235 | /* Set the vlan attributes in the end */ | |
1236 | if (vlan) { | |
1237 | gfar_set_attribute(id, id_mask, RQFCR_PID_VID, tab); | |
1238 | gfar_set_attribute(prio, prio_mask, RQFCR_PID_PRI, tab); | |
1239 | } | |
1240 | ||
1241 | /* If there has been nothing written till now, it must be a default */ | |
1242 | if (tab->index == old_index) { | |
1243 | gfar_set_mask(0xFFFFFFFF, tab); | |
1244 | tab->fe[tab->index].ctrl = 0x20; | |
1245 | tab->fe[tab->index].prop = 0x0; | |
1246 | tab->index++; | |
1247 | } | |
1248 | ||
1249 | /* Remove last AND */ | |
1250 | tab->fe[tab->index - 1].ctrl &= (~RQFCR_AND); | |
1251 | ||
1252 | /* Specify which queue to use or to drop */ | |
1253 | if (rule->ring_cookie == RX_CLS_FLOW_DISC) | |
1254 | tab->fe[tab->index - 1].ctrl |= RQFCR_RJE; | |
1255 | else | |
1256 | tab->fe[tab->index - 1].ctrl |= (rule->ring_cookie << 10); | |
1257 | ||
1258 | /* Only big enough entries can be clustered */ | |
1259 | if (tab->index > (old_index + 2)) { | |
1260 | tab->fe[old_index + 1].ctrl |= RQFCR_CLE; | |
1261 | tab->fe[tab->index - 1].ctrl |= RQFCR_CLE; | |
1262 | } | |
1263 | ||
cbfc6071 JC |
1264 | /* In rare cases the cache can be full while there is |
1265 | * free space in hw | |
1266 | */ | |
4aa3a715 SP |
1267 | if (tab->index > MAX_FILER_CACHE_IDX - 1) |
1268 | return -EBUSY; | |
1269 | ||
1270 | return 0; | |
1271 | } | |
1272 | ||
4aa3a715 SP |
1273 | /* Write the bit-pattern from software's buffer to hardware registers */ |
1274 | static int gfar_write_filer_table(struct gfar_private *priv, | |
cbfc6071 | 1275 | struct filer_table *tab) |
4aa3a715 SP |
1276 | { |
1277 | u32 i = 0; | |
1278 | if (tab->index > MAX_FILER_IDX - 1) | |
1279 | return -EBUSY; | |
1280 | ||
4aa3a715 | 1281 | /* Fill regular entries */ |
a898fe04 | 1282 | for (; i < MAX_FILER_IDX && (tab->fe[i].ctrl | tab->fe[i].prop); i++) |
4aa3a715 SP |
1283 | gfar_write_filer(priv, i, tab->fe[i].ctrl, tab->fe[i].prop); |
1284 | /* Fill the rest with fall-troughs */ | |
a898fe04 | 1285 | for (; i < MAX_FILER_IDX; i++) |
4aa3a715 SP |
1286 | gfar_write_filer(priv, i, 0x60, 0xFFFFFFFF); |
1287 | /* Last entry must be default accept | |
cbfc6071 JC |
1288 | * because that's what people expect |
1289 | */ | |
4aa3a715 SP |
1290 | gfar_write_filer(priv, i, 0x20, 0x0); |
1291 | ||
4aa3a715 SP |
1292 | return 0; |
1293 | } | |
1294 | ||
1295 | static int gfar_check_capability(struct ethtool_rx_flow_spec *flow, | |
cbfc6071 | 1296 | struct gfar_private *priv) |
4aa3a715 SP |
1297 | { |
1298 | ||
1299 | if (flow->flow_type & FLOW_EXT) { | |
1300 | if (~flow->m_ext.data[0] || ~flow->m_ext.data[1]) | |
1301 | netdev_warn(priv->ndev, | |
cbfc6071 | 1302 | "User-specific data not supported!\n"); |
4aa3a715 SP |
1303 | if (~flow->m_ext.vlan_etype) |
1304 | netdev_warn(priv->ndev, | |
cbfc6071 | 1305 | "VLAN-etype not supported!\n"); |
4aa3a715 SP |
1306 | } |
1307 | if (flow->flow_type == IP_USER_FLOW) | |
1308 | if (flow->h_u.usr_ip4_spec.ip_ver != ETH_RX_NFC_IP4) | |
1309 | netdev_warn(priv->ndev, | |
cbfc6071 | 1310 | "IP-Version differing from IPv4 not supported!\n"); |
4aa3a715 SP |
1311 | |
1312 | return 0; | |
1313 | } | |
1314 | ||
1315 | static int gfar_process_filer_changes(struct gfar_private *priv) | |
1316 | { | |
1317 | struct ethtool_flow_spec_container *j; | |
1318 | struct filer_table *tab; | |
4aa3a715 SP |
1319 | s32 ret = 0; |
1320 | ||
1321 | /* So index is set to zero, too! */ | |
1322 | tab = kzalloc(sizeof(*tab), GFP_KERNEL); | |
1323 | if (tab == NULL) | |
1324 | return -ENOMEM; | |
1325 | ||
1326 | /* Now convert the existing filer data from flow_spec into | |
cbfc6071 JC |
1327 | * filer tables binary format |
1328 | */ | |
4aa3a715 SP |
1329 | list_for_each_entry(j, &priv->rx_list.list, list) { |
1330 | ret = gfar_convert_to_filer(&j->fs, tab); | |
1331 | if (ret == -EBUSY) { | |
cbfc6071 JC |
1332 | netdev_err(priv->ndev, |
1333 | "Rule not added: No free space!\n"); | |
4aa3a715 SP |
1334 | goto end; |
1335 | } | |
1336 | if (ret == -1) { | |
cbfc6071 JC |
1337 | netdev_err(priv->ndev, |
1338 | "Rule not added: Unsupported Flow-type!\n"); | |
4aa3a715 SP |
1339 | goto end; |
1340 | } | |
1341 | } | |
1342 | ||
4aa3a715 SP |
1343 | /* Write everything to hardware */ |
1344 | ret = gfar_write_filer_table(priv, tab); | |
1345 | if (ret == -EBUSY) { | |
1346 | netdev_err(priv->ndev, "Rule not added: No free space!\n"); | |
1347 | goto end; | |
1348 | } | |
1349 | ||
cbfc6071 JC |
1350 | end: |
1351 | kfree(tab); | |
4aa3a715 SP |
1352 | return ret; |
1353 | } | |
1354 | ||
1355 | static void gfar_invert_masks(struct ethtool_rx_flow_spec *flow) | |
1356 | { | |
1357 | u32 i = 0; | |
1358 | ||
1359 | for (i = 0; i < sizeof(flow->m_u); i++) | |
1360 | flow->m_u.hdata[i] ^= 0xFF; | |
1361 | ||
42851e88 CM |
1362 | flow->m_ext.vlan_etype ^= cpu_to_be16(0xFFFF); |
1363 | flow->m_ext.vlan_tci ^= cpu_to_be16(0xFFFF); | |
1364 | flow->m_ext.data[0] ^= cpu_to_be32(~0); | |
1365 | flow->m_ext.data[1] ^= cpu_to_be32(~0); | |
4aa3a715 SP |
1366 | } |
1367 | ||
1368 | static int gfar_add_cls(struct gfar_private *priv, | |
cbfc6071 | 1369 | struct ethtool_rx_flow_spec *flow) |
4aa3a715 SP |
1370 | { |
1371 | struct ethtool_flow_spec_container *temp, *comp; | |
1372 | int ret = 0; | |
1373 | ||
1374 | temp = kmalloc(sizeof(*temp), GFP_KERNEL); | |
1375 | if (temp == NULL) | |
1376 | return -ENOMEM; | |
1377 | memcpy(&temp->fs, flow, sizeof(temp->fs)); | |
1378 | ||
1379 | gfar_invert_masks(&temp->fs); | |
1380 | ret = gfar_check_capability(&temp->fs, priv); | |
1381 | if (ret) | |
1382 | goto clean_mem; | |
1383 | /* Link in the new element at the right @location */ | |
1384 | if (list_empty(&priv->rx_list.list)) { | |
1385 | ret = gfar_check_filer_hardware(priv); | |
1386 | if (ret != 0) | |
1387 | goto clean_mem; | |
1388 | list_add(&temp->list, &priv->rx_list.list); | |
1389 | goto process; | |
1390 | } else { | |
4aa3a715 SP |
1391 | list_for_each_entry(comp, &priv->rx_list.list, list) { |
1392 | if (comp->fs.location > flow->location) { | |
1393 | list_add_tail(&temp->list, &comp->list); | |
1394 | goto process; | |
1395 | } | |
1396 | if (comp->fs.location == flow->location) { | |
1397 | netdev_err(priv->ndev, | |
cbfc6071 JC |
1398 | "Rule not added: ID %d not free!\n", |
1399 | flow->location); | |
4aa3a715 SP |
1400 | ret = -EBUSY; |
1401 | goto clean_mem; | |
1402 | } | |
1403 | } | |
1404 | list_add_tail(&temp->list, &priv->rx_list.list); | |
1405 | } | |
1406 | ||
1407 | process: | |
b5c8c890 | 1408 | priv->rx_list.count++; |
4aa3a715 SP |
1409 | ret = gfar_process_filer_changes(priv); |
1410 | if (ret) | |
1411 | goto clean_list; | |
4aa3a715 SP |
1412 | return ret; |
1413 | ||
1414 | clean_list: | |
b5c8c890 | 1415 | priv->rx_list.count--; |
4aa3a715 SP |
1416 | list_del(&temp->list); |
1417 | clean_mem: | |
1418 | kfree(temp); | |
1419 | return ret; | |
1420 | } | |
1421 | ||
1422 | static int gfar_del_cls(struct gfar_private *priv, u32 loc) | |
1423 | { | |
1424 | struct ethtool_flow_spec_container *comp; | |
1425 | u32 ret = -EINVAL; | |
1426 | ||
1427 | if (list_empty(&priv->rx_list.list)) | |
1428 | return ret; | |
1429 | ||
1430 | list_for_each_entry(comp, &priv->rx_list.list, list) { | |
1431 | if (comp->fs.location == loc) { | |
1432 | list_del(&comp->list); | |
1433 | kfree(comp); | |
1434 | priv->rx_list.count--; | |
1435 | gfar_process_filer_changes(priv); | |
1436 | ret = 0; | |
1437 | break; | |
1438 | } | |
1439 | } | |
1440 | ||
1441 | return ret; | |
4aa3a715 SP |
1442 | } |
1443 | ||
1444 | static int gfar_get_cls(struct gfar_private *priv, struct ethtool_rxnfc *cmd) | |
1445 | { | |
1446 | struct ethtool_flow_spec_container *comp; | |
1447 | u32 ret = -EINVAL; | |
1448 | ||
1449 | list_for_each_entry(comp, &priv->rx_list.list, list) { | |
1450 | if (comp->fs.location == cmd->fs.location) { | |
1451 | memcpy(&cmd->fs, &comp->fs, sizeof(cmd->fs)); | |
1452 | gfar_invert_masks(&cmd->fs); | |
1453 | ret = 0; | |
1454 | break; | |
1455 | } | |
1456 | } | |
1457 | ||
1458 | return ret; | |
1459 | } | |
1460 | ||
1461 | static int gfar_get_cls_all(struct gfar_private *priv, | |
cbfc6071 | 1462 | struct ethtool_rxnfc *cmd, u32 *rule_locs) |
4aa3a715 SP |
1463 | { |
1464 | struct ethtool_flow_spec_container *comp; | |
1465 | u32 i = 0; | |
1466 | ||
1467 | list_for_each_entry(comp, &priv->rx_list.list, list) { | |
710778ff BH |
1468 | if (i == cmd->rule_cnt) |
1469 | return -EMSGSIZE; | |
1470 | rule_locs[i] = comp->fs.location; | |
1471 | i++; | |
4aa3a715 SP |
1472 | } |
1473 | ||
1474 | cmd->data = MAX_FILER_IDX; | |
473e64ee | 1475 | cmd->rule_cnt = i; |
4aa3a715 SP |
1476 | |
1477 | return 0; | |
1478 | } | |
1479 | ||
7a8b3372 SG |
1480 | static int gfar_set_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd) |
1481 | { | |
1482 | struct gfar_private *priv = netdev_priv(dev); | |
1483 | int ret = 0; | |
1484 | ||
0851133b CM |
1485 | if (test_bit(GFAR_RESETTING, &priv->state)) |
1486 | return -EBUSY; | |
1487 | ||
4aa3a715 SP |
1488 | mutex_lock(&priv->rx_queue_access); |
1489 | ||
1490 | switch (cmd->cmd) { | |
7a8b3372 SG |
1491 | case ETHTOOL_SRXFH: |
1492 | ret = gfar_set_hash_opts(priv, cmd); | |
1493 | break; | |
4aa3a715 | 1494 | case ETHTOOL_SRXCLSRLINS: |
3a73e49c BH |
1495 | if ((cmd->fs.ring_cookie != RX_CLS_FLOW_DISC && |
1496 | cmd->fs.ring_cookie >= priv->num_rx_queues) || | |
1497 | cmd->fs.location >= MAX_FILER_IDX) { | |
4aa3a715 SP |
1498 | ret = -EINVAL; |
1499 | break; | |
1500 | } | |
1501 | ret = gfar_add_cls(priv, &cmd->fs); | |
1502 | break; | |
1503 | case ETHTOOL_SRXCLSRLDEL: | |
1504 | ret = gfar_del_cls(priv, cmd->fs.location); | |
1505 | break; | |
7a8b3372 SG |
1506 | default: |
1507 | ret = -EINVAL; | |
1508 | } | |
1509 | ||
4aa3a715 SP |
1510 | mutex_unlock(&priv->rx_queue_access); |
1511 | ||
1512 | return ret; | |
1513 | } | |
1514 | ||
1515 | static int gfar_get_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd, | |
cbfc6071 | 1516 | u32 *rule_locs) |
4aa3a715 SP |
1517 | { |
1518 | struct gfar_private *priv = netdev_priv(dev); | |
1519 | int ret = 0; | |
1520 | ||
1521 | switch (cmd->cmd) { | |
1522 | case ETHTOOL_GRXRINGS: | |
1523 | cmd->data = priv->num_rx_queues; | |
1524 | break; | |
1525 | case ETHTOOL_GRXCLSRLCNT: | |
1526 | cmd->rule_cnt = priv->rx_list.count; | |
1527 | break; | |
1528 | case ETHTOOL_GRXCLSRULE: | |
1529 | ret = gfar_get_cls(priv, cmd); | |
1530 | break; | |
1531 | case ETHTOOL_GRXCLSRLALL: | |
815c7db5 | 1532 | ret = gfar_get_cls_all(priv, cmd, rule_locs); |
4aa3a715 SP |
1533 | break; |
1534 | default: | |
1535 | ret = -EINVAL; | |
1536 | break; | |
1537 | } | |
1538 | ||
7a8b3372 SG |
1539 | return ret; |
1540 | } | |
1541 | ||
66636287 | 1542 | int gfar_phc_index = -1; |
28889b7e | 1543 | EXPORT_SYMBOL(gfar_phc_index); |
66636287 RC |
1544 | |
1545 | static int gfar_get_ts_info(struct net_device *dev, | |
1546 | struct ethtool_ts_info *info) | |
1547 | { | |
1548 | struct gfar_private *priv = netdev_priv(dev); | |
1549 | ||
1550 | if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_TIMER)) { | |
cbfc6071 JC |
1551 | info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE | |
1552 | SOF_TIMESTAMPING_SOFTWARE; | |
66636287 RC |
1553 | info->phc_index = -1; |
1554 | return 0; | |
1555 | } | |
cbfc6071 JC |
1556 | info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE | |
1557 | SOF_TIMESTAMPING_RX_HARDWARE | | |
1558 | SOF_TIMESTAMPING_RAW_HARDWARE; | |
66636287 | 1559 | info->phc_index = gfar_phc_index; |
cbfc6071 JC |
1560 | info->tx_types = (1 << HWTSTAMP_TX_OFF) | |
1561 | (1 << HWTSTAMP_TX_ON); | |
1562 | info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) | | |
1563 | (1 << HWTSTAMP_FILTER_ALL); | |
66636287 RC |
1564 | return 0; |
1565 | } | |
1566 | ||
7282d491 | 1567 | const struct ethtool_ops gfar_ethtool_ops = { |
1da177e4 | 1568 | .get_settings = gfar_gsettings, |
bb40dcbb | 1569 | .set_settings = gfar_ssettings, |
1da177e4 LT |
1570 | .get_drvinfo = gfar_gdrvinfo, |
1571 | .get_regs_len = gfar_reglen, | |
1572 | .get_regs = gfar_get_regs, | |
1573 | .get_link = ethtool_op_get_link, | |
1574 | .get_coalesce = gfar_gcoalesce, | |
1575 | .set_coalesce = gfar_scoalesce, | |
1576 | .get_ringparam = gfar_gringparam, | |
1577 | .set_ringparam = gfar_sringparam, | |
23402bdd CM |
1578 | .get_pauseparam = gfar_gpauseparam, |
1579 | .set_pauseparam = gfar_spauseparam, | |
1da177e4 | 1580 | .get_strings = gfar_gstrings, |
b9f2c044 | 1581 | .get_sset_count = gfar_sset_count, |
1da177e4 | 1582 | .get_ethtool_stats = gfar_fill_stats, |
0bbaf069 KG |
1583 | .get_msglevel = gfar_get_msglevel, |
1584 | .set_msglevel = gfar_set_msglevel, | |
d87eb127 SW |
1585 | #ifdef CONFIG_PM |
1586 | .get_wol = gfar_get_wol, | |
1587 | .set_wol = gfar_set_wol, | |
1588 | #endif | |
7a8b3372 | 1589 | .set_rxnfc = gfar_set_nfc, |
4aa3a715 | 1590 | .get_rxnfc = gfar_get_nfc, |
66636287 | 1591 | .get_ts_info = gfar_get_ts_info, |
1da177e4 | 1592 | }; |