Commit | Line | Data |
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754460a4 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
1da177e4 | 2 | /* |
3396c782 | 3 | * drivers/net/ethernet/freescale/gianfar_ethtool.c |
1da177e4 LT |
4 | * |
5 | * Gianfar Ethernet Driver | |
6 | * Ethtool support for Gianfar Enet | |
7 | * Based on e1000 ethtool support | |
8 | * | |
9 | * Author: Andy Fleming | |
4c8d3d99 | 10 | * Maintainer: Kumar Gala |
a12f801d | 11 | * Modifier: Sandeep Gopalpet <sandeep.kumar@freescale.com> |
1da177e4 | 12 | * |
6c43e046 | 13 | * Copyright 2003-2006, 2008-2009, 2011 Freescale Semiconductor, Inc. |
1da177e4 LT |
14 | */ |
15 | ||
59deab26 JP |
16 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
17 | ||
1da177e4 | 18 | #include <linux/kernel.h> |
1da177e4 LT |
19 | #include <linux/string.h> |
20 | #include <linux/errno.h> | |
1da177e4 | 21 | #include <linux/interrupt.h> |
1da177e4 LT |
22 | #include <linux/delay.h> |
23 | #include <linux/netdevice.h> | |
24 | #include <linux/etherdevice.h> | |
65a85a8d | 25 | #include <linux/net_tstamp.h> |
1da177e4 LT |
26 | #include <linux/skbuff.h> |
27 | #include <linux/spinlock.h> | |
28 | #include <linux/mm.h> | |
29 | ||
30 | #include <asm/io.h> | |
31 | #include <asm/irq.h> | |
7c0f6ba6 | 32 | #include <linux/uaccess.h> |
1da177e4 | 33 | #include <linux/module.h> |
1da177e4 LT |
34 | #include <linux/crc32.h> |
35 | #include <asm/types.h> | |
1da177e4 | 36 | #include <linux/ethtool.h> |
bb40dcbb AF |
37 | #include <linux/mii.h> |
38 | #include <linux/phy.h> | |
4aa3a715 | 39 | #include <linux/sort.h> |
380b153c | 40 | #include <linux/if_vlan.h> |
7349a74e YL |
41 | #include <linux/of_platform.h> |
42 | #include <linux/fsl/ptp_qoriq.h> | |
1da177e4 LT |
43 | |
44 | #include "gianfar.h" | |
45 | ||
bb40dcbb AF |
46 | #define GFAR_MAX_COAL_USECS 0xffff |
47 | #define GFAR_MAX_COAL_FRAMES 0xff | |
1da177e4 | 48 | |
30f7e310 | 49 | static const char stat_gstrings[][ETH_GSTRING_LEN] = { |
76f31e8b CM |
50 | /* extra stats */ |
51 | "rx-allocation-errors", | |
1da177e4 LT |
52 | "rx-large-frame-errors", |
53 | "rx-short-frame-errors", | |
54 | "rx-non-octet-errors", | |
55 | "rx-crc-errors", | |
56 | "rx-overrun-errors", | |
57 | "rx-busy-errors", | |
58 | "rx-babbling-errors", | |
59 | "rx-truncated-frames", | |
60 | "ethernet-bus-error", | |
61 | "tx-babbling-errors", | |
62 | "tx-underrun-errors", | |
1da177e4 | 63 | "tx-timeout-errors", |
76f31e8b | 64 | /* rmon stats */ |
1da177e4 LT |
65 | "tx-rx-64-frames", |
66 | "tx-rx-65-127-frames", | |
67 | "tx-rx-128-255-frames", | |
68 | "tx-rx-256-511-frames", | |
69 | "tx-rx-512-1023-frames", | |
70 | "tx-rx-1024-1518-frames", | |
71 | "tx-rx-1519-1522-good-vlan", | |
72 | "rx-bytes", | |
73 | "rx-packets", | |
74 | "rx-fcs-errors", | |
75 | "receive-multicast-packet", | |
76 | "receive-broadcast-packet", | |
77 | "rx-control-frame-packets", | |
78 | "rx-pause-frame-packets", | |
79 | "rx-unknown-op-code", | |
80 | "rx-alignment-error", | |
81 | "rx-frame-length-error", | |
82 | "rx-code-error", | |
83 | "rx-carrier-sense-error", | |
84 | "rx-undersize-packets", | |
85 | "rx-oversize-packets", | |
86 | "rx-fragmented-frames", | |
87 | "rx-jabber-frames", | |
88 | "rx-dropped-frames", | |
89 | "tx-byte-counter", | |
90 | "tx-packets", | |
91 | "tx-multicast-packets", | |
92 | "tx-broadcast-packets", | |
93 | "tx-pause-control-frames", | |
94 | "tx-deferral-packets", | |
95 | "tx-excessive-deferral-packets", | |
96 | "tx-single-collision-packets", | |
97 | "tx-multiple-collision-packets", | |
98 | "tx-late-collision-packets", | |
99 | "tx-excessive-collision-packets", | |
100 | "tx-total-collision", | |
101 | "reserved", | |
102 | "tx-dropped-frames", | |
103 | "tx-jabber-frames", | |
104 | "tx-fcs-errors", | |
105 | "tx-control-frames", | |
106 | "tx-oversize-frames", | |
107 | "tx-undersize-frames", | |
108 | "tx-fragmented-frames", | |
109 | }; | |
110 | ||
0bbaf069 KG |
111 | /* Fill in a buffer with the strings which correspond to the |
112 | * stats */ | |
113 | static void gfar_gstrings(struct net_device *dev, u32 stringset, u8 * buf) | |
114 | { | |
115 | struct gfar_private *priv = netdev_priv(dev); | |
7f7f5316 | 116 | |
b31a1d8b | 117 | if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON) |
0bbaf069 KG |
118 | memcpy(buf, stat_gstrings, GFAR_STATS_LEN * ETH_GSTRING_LEN); |
119 | else | |
120 | memcpy(buf, stat_gstrings, | |
cbfc6071 | 121 | GFAR_EXTRA_STATS_LEN * ETH_GSTRING_LEN); |
0bbaf069 KG |
122 | } |
123 | ||
1da177e4 LT |
124 | /* Fill in an array of 64-bit statistics from various sources. |
125 | * This array will be appended to the end of the ethtool_stats | |
126 | * structure, and returned to user space | |
127 | */ | |
cbfc6071 JC |
128 | static void gfar_fill_stats(struct net_device *dev, struct ethtool_stats *dummy, |
129 | u64 *buf) | |
1da177e4 LT |
130 | { |
131 | int i; | |
132 | struct gfar_private *priv = netdev_priv(dev); | |
46ceb60c | 133 | struct gfar __iomem *regs = priv->gfargrp[0].regs; |
212079df | 134 | atomic64_t *extra = (atomic64_t *)&priv->extra_stats; |
1da177e4 | 135 | |
68719786 | 136 | for (i = 0; i < GFAR_EXTRA_STATS_LEN; i++) |
212079df | 137 | buf[i] = atomic64_read(&extra[i]); |
68719786 | 138 | |
b31a1d8b | 139 | if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON) { |
f4983704 | 140 | u32 __iomem *rmon = (u32 __iomem *) ®s->rmon; |
1da177e4 | 141 | |
68719786 PG |
142 | for (; i < GFAR_STATS_LEN; i++, rmon++) |
143 | buf[i] = (u64) gfar_read(rmon); | |
144 | } | |
1da177e4 LT |
145 | } |
146 | ||
b9f2c044 | 147 | static int gfar_sset_count(struct net_device *dev, int sset) |
1da177e4 | 148 | { |
1da177e4 | 149 | struct gfar_private *priv = netdev_priv(dev); |
1da177e4 | 150 | |
b9f2c044 JG |
151 | switch (sset) { |
152 | case ETH_SS_STATS: | |
b31a1d8b | 153 | if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON) |
b9f2c044 JG |
154 | return GFAR_STATS_LEN; |
155 | else | |
156 | return GFAR_EXTRA_STATS_LEN; | |
157 | default: | |
158 | return -EOPNOTSUPP; | |
159 | } | |
1da177e4 LT |
160 | } |
161 | ||
1da177e4 | 162 | /* Fills in the drvinfo structure with some basic info */ |
cbfc6071 JC |
163 | static void gfar_gdrvinfo(struct net_device *dev, |
164 | struct ethtool_drvinfo *drvinfo) | |
1da177e4 | 165 | { |
f029c781 | 166 | strscpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver)); |
1da177e4 LT |
167 | } |
168 | ||
1da177e4 | 169 | /* Return the length of the register structure */ |
0bbaf069 | 170 | static int gfar_reglen(struct net_device *dev) |
1da177e4 LT |
171 | { |
172 | return sizeof (struct gfar); | |
173 | } | |
174 | ||
175 | /* Return a dump of the GFAR register space */ | |
cbfc6071 JC |
176 | static void gfar_get_regs(struct net_device *dev, struct ethtool_regs *regs, |
177 | void *regbuf) | |
1da177e4 LT |
178 | { |
179 | int i; | |
180 | struct gfar_private *priv = netdev_priv(dev); | |
46ceb60c | 181 | u32 __iomem *theregs = (u32 __iomem *) priv->gfargrp[0].regs; |
1da177e4 LT |
182 | u32 *buf = (u32 *) regbuf; |
183 | ||
184 | for (i = 0; i < sizeof (struct gfar) / sizeof (u32); i++) | |
cc8c6e37 | 185 | buf[i] = gfar_read(&theregs[i]); |
1da177e4 LT |
186 | } |
187 | ||
1da177e4 LT |
188 | /* Convert microseconds to ethernet clock ticks, which changes |
189 | * depending on what speed the controller is running at */ | |
cbfc6071 JC |
190 | static unsigned int gfar_usecs2ticks(struct gfar_private *priv, |
191 | unsigned int usecs) | |
1da177e4 | 192 | { |
4c4a6b0e PR |
193 | struct net_device *ndev = priv->ndev; |
194 | struct phy_device *phydev = ndev->phydev; | |
1da177e4 LT |
195 | unsigned int count; |
196 | ||
197 | /* The timer is different, depending on the interface speed */ | |
4c4a6b0e | 198 | switch (phydev->speed) { |
bb40dcbb | 199 | case SPEED_1000: |
1da177e4 LT |
200 | count = GFAR_GBIT_TIME; |
201 | break; | |
bb40dcbb | 202 | case SPEED_100: |
1da177e4 LT |
203 | count = GFAR_100_TIME; |
204 | break; | |
bb40dcbb | 205 | case SPEED_10: |
1da177e4 LT |
206 | default: |
207 | count = GFAR_10_TIME; | |
208 | break; | |
209 | } | |
210 | ||
211 | /* Make sure we return a number greater than 0 | |
212 | * if usecs > 0 */ | |
f8a1988f | 213 | return DIV_ROUND_UP(usecs * 1000, count); |
1da177e4 LT |
214 | } |
215 | ||
216 | /* Convert ethernet clock ticks to microseconds */ | |
cbfc6071 JC |
217 | static unsigned int gfar_ticks2usecs(struct gfar_private *priv, |
218 | unsigned int ticks) | |
1da177e4 | 219 | { |
4c4a6b0e PR |
220 | struct net_device *ndev = priv->ndev; |
221 | struct phy_device *phydev = ndev->phydev; | |
1da177e4 LT |
222 | unsigned int count; |
223 | ||
224 | /* The timer is different, depending on the interface speed */ | |
4c4a6b0e | 225 | switch (phydev->speed) { |
bb40dcbb | 226 | case SPEED_1000: |
1da177e4 LT |
227 | count = GFAR_GBIT_TIME; |
228 | break; | |
bb40dcbb | 229 | case SPEED_100: |
1da177e4 LT |
230 | count = GFAR_100_TIME; |
231 | break; | |
bb40dcbb | 232 | case SPEED_10: |
1da177e4 LT |
233 | default: |
234 | count = GFAR_10_TIME; | |
235 | break; | |
236 | } | |
237 | ||
238 | /* Make sure we return a number greater than 0 */ | |
239 | /* if ticks is > 0 */ | |
807540ba | 240 | return (ticks * count) / 1000; |
1da177e4 LT |
241 | } |
242 | ||
243 | /* Get the coalescing parameters, and put them in the cvals | |
244 | * structure. */ | |
cbfc6071 | 245 | static int gfar_gcoalesce(struct net_device *dev, |
f3ccfda1 YM |
246 | struct ethtool_coalesce *cvals, |
247 | struct kernel_ethtool_coalesce *kernel_coal, | |
248 | struct netlink_ext_ack *extack) | |
1da177e4 LT |
249 | { |
250 | struct gfar_private *priv = netdev_priv(dev); | |
a12f801d SG |
251 | struct gfar_priv_rx_q *rx_queue = NULL; |
252 | struct gfar_priv_tx_q *tx_queue = NULL; | |
b46a8454 DH |
253 | unsigned long rxtime; |
254 | unsigned long rxcount; | |
255 | unsigned long txtime; | |
256 | unsigned long txcount; | |
6aa20a22 | 257 | |
b31a1d8b | 258 | if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_COALESCE)) |
0bbaf069 | 259 | return -EOPNOTSUPP; |
1da177e4 | 260 | |
4c4a6b0e | 261 | if (!dev->phydev) |
bb40dcbb AF |
262 | return -ENODEV; |
263 | ||
fba4ed03 SG |
264 | rx_queue = priv->rx_queue[0]; |
265 | tx_queue = priv->tx_queue[0]; | |
a12f801d SG |
266 | |
267 | rxtime = get_ictt_value(rx_queue->rxic); | |
268 | rxcount = get_icft_value(rx_queue->rxic); | |
269 | txtime = get_ictt_value(tx_queue->txic); | |
270 | txcount = get_icft_value(tx_queue->txic); | |
b46a8454 DH |
271 | cvals->rx_coalesce_usecs = gfar_ticks2usecs(priv, rxtime); |
272 | cvals->rx_max_coalesced_frames = rxcount; | |
1da177e4 | 273 | |
b46a8454 DH |
274 | cvals->tx_coalesce_usecs = gfar_ticks2usecs(priv, txtime); |
275 | cvals->tx_max_coalesced_frames = txcount; | |
1da177e4 | 276 | |
1da177e4 LT |
277 | return 0; |
278 | } | |
279 | ||
280 | /* Change the coalescing values. | |
281 | * Both cvals->*_usecs and cvals->*_frames have to be > 0 | |
282 | * in order for coalescing to be active | |
283 | */ | |
cbfc6071 | 284 | static int gfar_scoalesce(struct net_device *dev, |
f3ccfda1 YM |
285 | struct ethtool_coalesce *cvals, |
286 | struct kernel_ethtool_coalesce *kernel_coal, | |
287 | struct netlink_ext_ack *extack) | |
1da177e4 LT |
288 | { |
289 | struct gfar_private *priv = netdev_priv(dev); | |
f19015ba | 290 | int i, err = 0; |
1da177e4 | 291 | |
b31a1d8b | 292 | if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_COALESCE)) |
0bbaf069 KG |
293 | return -EOPNOTSUPP; |
294 | ||
4c4a6b0e | 295 | if (!dev->phydev) |
bb40dcbb AF |
296 | return -ENODEV; |
297 | ||
298 | /* Check the bounds of the values */ | |
299 | if (cvals->rx_coalesce_usecs > GFAR_MAX_COAL_USECS) { | |
375d6a1b JP |
300 | netdev_info(dev, "Coalescing is limited to %d microseconds\n", |
301 | GFAR_MAX_COAL_USECS); | |
bb40dcbb AF |
302 | return -EINVAL; |
303 | } | |
304 | ||
305 | if (cvals->rx_max_coalesced_frames > GFAR_MAX_COAL_FRAMES) { | |
375d6a1b JP |
306 | netdev_info(dev, "Coalescing is limited to %d frames\n", |
307 | GFAR_MAX_COAL_FRAMES); | |
bb40dcbb AF |
308 | return -EINVAL; |
309 | } | |
310 | ||
f19015ba CM |
311 | /* Check the bounds of the values */ |
312 | if (cvals->tx_coalesce_usecs > GFAR_MAX_COAL_USECS) { | |
313 | netdev_info(dev, "Coalescing is limited to %d microseconds\n", | |
314 | GFAR_MAX_COAL_USECS); | |
315 | return -EINVAL; | |
316 | } | |
317 | ||
318 | if (cvals->tx_max_coalesced_frames > GFAR_MAX_COAL_FRAMES) { | |
319 | netdev_info(dev, "Coalescing is limited to %d frames\n", | |
320 | GFAR_MAX_COAL_FRAMES); | |
321 | return -EINVAL; | |
322 | } | |
323 | ||
324 | while (test_and_set_bit_lock(GFAR_RESETTING, &priv->state)) | |
325 | cpu_relax(); | |
326 | ||
327 | /* Set up rx coalescing */ | |
328 | if ((cvals->rx_coalesce_usecs == 0) || | |
329 | (cvals->rx_max_coalesced_frames == 0)) { | |
330 | for (i = 0; i < priv->num_rx_queues; i++) | |
331 | priv->rx_queue[i]->rxcoalescing = 0; | |
332 | } else { | |
333 | for (i = 0; i < priv->num_rx_queues; i++) | |
334 | priv->rx_queue[i]->rxcoalescing = 1; | |
335 | } | |
336 | ||
46ceb60c SG |
337 | for (i = 0; i < priv->num_rx_queues; i++) { |
338 | priv->rx_queue[i]->rxic = mk_ic_value( | |
339 | cvals->rx_max_coalesced_frames, | |
340 | gfar_usecs2ticks(priv, cvals->rx_coalesce_usecs)); | |
341 | } | |
1da177e4 LT |
342 | |
343 | /* Set up tx coalescing */ | |
344 | if ((cvals->tx_coalesce_usecs == 0) || | |
46ceb60c SG |
345 | (cvals->tx_max_coalesced_frames == 0)) { |
346 | for (i = 0; i < priv->num_tx_queues; i++) | |
347 | priv->tx_queue[i]->txcoalescing = 0; | |
348 | } else { | |
349 | for (i = 0; i < priv->num_tx_queues; i++) | |
350 | priv->tx_queue[i]->txcoalescing = 1; | |
351 | } | |
1da177e4 | 352 | |
46ceb60c SG |
353 | for (i = 0; i < priv->num_tx_queues; i++) { |
354 | priv->tx_queue[i]->txic = mk_ic_value( | |
355 | cvals->tx_max_coalesced_frames, | |
356 | gfar_usecs2ticks(priv, cvals->tx_coalesce_usecs)); | |
357 | } | |
1da177e4 | 358 | |
f19015ba CM |
359 | if (dev->flags & IFF_UP) { |
360 | stop_gfar(dev); | |
361 | err = startup_gfar(dev); | |
362 | } else { | |
363 | gfar_mac_reset(priv); | |
364 | } | |
365 | ||
366 | clear_bit_unlock(GFAR_RESETTING, &priv->state); | |
1da177e4 | 367 | |
f19015ba | 368 | return err; |
1da177e4 LT |
369 | } |
370 | ||
371 | /* Fills in rvals with the current ring parameters. Currently, | |
372 | * rx, rx_mini, and rx_jumbo rings are the same size, as mini and | |
373 | * jumbo are ignored by the driver */ | |
cbfc6071 | 374 | static void gfar_gringparam(struct net_device *dev, |
74624944 HC |
375 | struct ethtool_ringparam *rvals, |
376 | struct kernel_ethtool_ringparam *kernel_rvals, | |
377 | struct netlink_ext_ack *extack) | |
1da177e4 LT |
378 | { |
379 | struct gfar_private *priv = netdev_priv(dev); | |
a12f801d SG |
380 | struct gfar_priv_tx_q *tx_queue = NULL; |
381 | struct gfar_priv_rx_q *rx_queue = NULL; | |
382 | ||
fba4ed03 SG |
383 | tx_queue = priv->tx_queue[0]; |
384 | rx_queue = priv->rx_queue[0]; | |
1da177e4 LT |
385 | |
386 | rvals->rx_max_pending = GFAR_RX_MAX_RING_SIZE; | |
387 | rvals->rx_mini_max_pending = GFAR_RX_MAX_RING_SIZE; | |
388 | rvals->rx_jumbo_max_pending = GFAR_RX_MAX_RING_SIZE; | |
389 | rvals->tx_max_pending = GFAR_TX_MAX_RING_SIZE; | |
390 | ||
391 | /* Values changeable by the user. The valid values are | |
392 | * in the range 1 to the "*_max_pending" counterpart above. | |
393 | */ | |
a12f801d SG |
394 | rvals->rx_pending = rx_queue->rx_ring_size; |
395 | rvals->rx_mini_pending = rx_queue->rx_ring_size; | |
396 | rvals->rx_jumbo_pending = rx_queue->rx_ring_size; | |
397 | rvals->tx_pending = tx_queue->tx_ring_size; | |
1da177e4 LT |
398 | } |
399 | ||
400 | /* Change the current ring parameters, stopping the controller if | |
7cca336a | 401 | * necessary so that we don't mess things up while we're in motion. |
cbfc6071 JC |
402 | */ |
403 | static int gfar_sringparam(struct net_device *dev, | |
74624944 HC |
404 | struct ethtool_ringparam *rvals, |
405 | struct kernel_ethtool_ringparam *kernel_rvals, | |
406 | struct netlink_ext_ack *extack) | |
1da177e4 | 407 | { |
1da177e4 | 408 | struct gfar_private *priv = netdev_priv(dev); |
7cca336a | 409 | int err = 0, i; |
1da177e4 LT |
410 | |
411 | if (rvals->rx_pending > GFAR_RX_MAX_RING_SIZE) | |
412 | return -EINVAL; | |
413 | ||
414 | if (!is_power_of_2(rvals->rx_pending)) { | |
59deab26 | 415 | netdev_err(dev, "Ring sizes must be a power of 2\n"); |
1da177e4 LT |
416 | return -EINVAL; |
417 | } | |
418 | ||
419 | if (rvals->tx_pending > GFAR_TX_MAX_RING_SIZE) | |
420 | return -EINVAL; | |
421 | ||
422 | if (!is_power_of_2(rvals->tx_pending)) { | |
59deab26 | 423 | netdev_err(dev, "Ring sizes must be a power of 2\n"); |
1da177e4 LT |
424 | return -EINVAL; |
425 | } | |
426 | ||
0851133b CM |
427 | while (test_and_set_bit_lock(GFAR_RESETTING, &priv->state)) |
428 | cpu_relax(); | |
429 | ||
7cca336a | 430 | if (dev->flags & IFF_UP) |
0bbaf069 | 431 | stop_gfar(dev); |
1da177e4 | 432 | |
7cca336a CM |
433 | /* Change the sizes */ |
434 | for (i = 0; i < priv->num_rx_queues; i++) | |
fba4ed03 | 435 | priv->rx_queue[i]->rx_ring_size = rvals->rx_pending; |
7cca336a CM |
436 | |
437 | for (i = 0; i < priv->num_tx_queues; i++) | |
fba4ed03 | 438 | priv->tx_queue[i]->tx_ring_size = rvals->tx_pending; |
1da177e4 | 439 | |
0bbaf069 | 440 | /* Rebuild the rings with the new size */ |
0851133b | 441 | if (dev->flags & IFF_UP) |
0bbaf069 | 442 | err = startup_gfar(dev); |
0851133b CM |
443 | |
444 | clear_bit_unlock(GFAR_RESETTING, &priv->state); | |
445 | ||
0bbaf069 KG |
446 | return err; |
447 | } | |
1da177e4 | 448 | |
23402bdd CM |
449 | static void gfar_gpauseparam(struct net_device *dev, |
450 | struct ethtool_pauseparam *epause) | |
451 | { | |
452 | struct gfar_private *priv = netdev_priv(dev); | |
453 | ||
454 | epause->autoneg = !!priv->pause_aneg_en; | |
455 | epause->rx_pause = !!priv->rx_pause_en; | |
456 | epause->tx_pause = !!priv->tx_pause_en; | |
457 | } | |
458 | ||
459 | static int gfar_spauseparam(struct net_device *dev, | |
460 | struct ethtool_pauseparam *epause) | |
461 | { | |
462 | struct gfar_private *priv = netdev_priv(dev); | |
4c4a6b0e | 463 | struct phy_device *phydev = dev->phydev; |
23402bdd | 464 | struct gfar __iomem *regs = priv->gfargrp[0].regs; |
23402bdd | 465 | |
98a46d46 CM |
466 | if (!phydev) |
467 | return -ENODEV; | |
468 | ||
22b7d299 | 469 | if (!phy_validate_pause(phydev, epause)) |
23402bdd CM |
470 | return -EINVAL; |
471 | ||
472 | priv->rx_pause_en = priv->tx_pause_en = 0; | |
70814e81 | 473 | phy_set_asym_pause(phydev, epause->rx_pause, epause->tx_pause); |
23402bdd CM |
474 | if (epause->rx_pause) { |
475 | priv->rx_pause_en = 1; | |
476 | ||
477 | if (epause->tx_pause) { | |
478 | priv->tx_pause_en = 1; | |
70814e81 | 479 | } |
23402bdd CM |
480 | } else if (epause->tx_pause) { |
481 | priv->tx_pause_en = 1; | |
70814e81 | 482 | } |
23402bdd CM |
483 | |
484 | if (epause->autoneg) | |
485 | priv->pause_aneg_en = 1; | |
486 | else | |
487 | priv->pause_aneg_en = 0; | |
488 | ||
70814e81 AL |
489 | if (!epause->autoneg) { |
490 | u32 tempval = gfar_read(®s->maccfg1); | |
491 | ||
492 | tempval &= ~(MACCFG1_TX_FLOW | MACCFG1_RX_FLOW); | |
493 | ||
494 | priv->tx_actual_en = 0; | |
495 | if (priv->tx_pause_en) { | |
496 | priv->tx_actual_en = 1; | |
497 | tempval |= MACCFG1_TX_FLOW; | |
23402bdd | 498 | } |
70814e81 AL |
499 | |
500 | if (priv->rx_pause_en) | |
501 | tempval |= MACCFG1_RX_FLOW; | |
502 | gfar_write(®s->maccfg1, tempval); | |
23402bdd CM |
503 | } |
504 | ||
505 | return 0; | |
506 | } | |
507 | ||
c8f44aff | 508 | int gfar_set_features(struct net_device *dev, netdev_features_t features) |
0bbaf069 | 509 | { |
c8f44aff | 510 | netdev_features_t changed = dev->features ^ features; |
0851133b | 511 | struct gfar_private *priv = netdev_priv(dev); |
7cca336a | 512 | int err = 0; |
1da177e4 | 513 | |
88302648 CM |
514 | if (!(changed & (NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX | |
515 | NETIF_F_RXCSUM))) | |
8b3afe95 | 516 | return 0; |
a12f801d | 517 | |
0851133b CM |
518 | while (test_and_set_bit_lock(GFAR_RESETTING, &priv->state)) |
519 | cpu_relax(); | |
520 | ||
88302648 CM |
521 | dev->features = features; |
522 | ||
0bbaf069 | 523 | if (dev->flags & IFF_UP) { |
0bbaf069 | 524 | /* Now we take down the rings to rebuild them */ |
1da177e4 | 525 | stop_gfar(dev); |
1da177e4 | 526 | err = startup_gfar(dev); |
0851133b CM |
527 | } else { |
528 | gfar_mac_reset(priv); | |
12dea57b | 529 | } |
0851133b CM |
530 | |
531 | clear_bit_unlock(GFAR_RESETTING, &priv->state); | |
532 | ||
1da177e4 LT |
533 | return err; |
534 | } | |
535 | ||
0bbaf069 | 536 | static uint32_t gfar_get_msglevel(struct net_device *dev) |
6aa20a22 | 537 | { |
0bbaf069 | 538 | struct gfar_private *priv = netdev_priv(dev); |
cbfc6071 | 539 | |
0bbaf069 | 540 | return priv->msg_enable; |
6aa20a22 JG |
541 | } |
542 | ||
0bbaf069 | 543 | static void gfar_set_msglevel(struct net_device *dev, uint32_t data) |
6aa20a22 | 544 | { |
0bbaf069 | 545 | struct gfar_private *priv = netdev_priv(dev); |
cbfc6071 | 546 | |
0bbaf069 KG |
547 | priv->msg_enable = data; |
548 | } | |
549 | ||
d87eb127 SW |
550 | #ifdef CONFIG_PM |
551 | static void gfar_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) | |
552 | { | |
553 | struct gfar_private *priv = netdev_priv(dev); | |
554 | ||
3e905b80 CM |
555 | wol->supported = 0; |
556 | wol->wolopts = 0; | |
557 | ||
558 | if (priv->wol_supported & GFAR_WOL_MAGIC) | |
559 | wol->supported |= WAKE_MAGIC; | |
560 | ||
561 | if (priv->wol_supported & GFAR_WOL_FILER_UCAST) | |
562 | wol->supported |= WAKE_UCAST; | |
563 | ||
564 | if (priv->wol_opts & GFAR_WOL_MAGIC) | |
565 | wol->wolopts |= WAKE_MAGIC; | |
566 | ||
567 | if (priv->wol_opts & GFAR_WOL_FILER_UCAST) | |
568 | wol->wolopts |= WAKE_UCAST; | |
d87eb127 SW |
569 | } |
570 | ||
571 | static int gfar_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) | |
572 | { | |
573 | struct gfar_private *priv = netdev_priv(dev); | |
3e905b80 CM |
574 | u16 wol_opts = 0; |
575 | int err; | |
d87eb127 | 576 | |
3e905b80 | 577 | if (!priv->wol_supported && wol->wolopts) |
d87eb127 SW |
578 | return -EINVAL; |
579 | ||
3e905b80 | 580 | if (wol->wolopts & ~(WAKE_MAGIC | WAKE_UCAST)) |
d87eb127 SW |
581 | return -EINVAL; |
582 | ||
3e905b80 CM |
583 | if (wol->wolopts & WAKE_MAGIC) { |
584 | wol_opts |= GFAR_WOL_MAGIC; | |
585 | } else { | |
586 | if (wol->wolopts & WAKE_UCAST) | |
587 | wol_opts |= GFAR_WOL_FILER_UCAST; | |
588 | } | |
589 | ||
590 | wol_opts &= priv->wol_supported; | |
591 | priv->wol_opts = 0; | |
592 | ||
593 | err = device_set_wakeup_enable(priv->dev, wol_opts); | |
594 | if (err) | |
595 | return err; | |
6c4f1994 | 596 | |
3e905b80 | 597 | priv->wol_opts = wol_opts; |
d87eb127 SW |
598 | |
599 | return 0; | |
600 | } | |
601 | #endif | |
0bbaf069 | 602 | |
7a8b3372 SG |
603 | static void ethflow_to_filer_rules (struct gfar_private *priv, u64 ethflow) |
604 | { | |
605 | u32 fcr = 0x0, fpr = FPR_FILER_MASK; | |
606 | ||
607 | if (ethflow & RXH_L2DA) { | |
5188f7e5 | 608 | fcr = RQFCR_PID_DAH | RQFCR_CMP_NOMATCH | |
cbfc6071 | 609 | RQFCR_HASH | RQFCR_AND | RQFCR_HASHTBL_0; |
6c43e046 WJB |
610 | priv->ftp_rqfpr[priv->cur_filer_idx] = fpr; |
611 | priv->ftp_rqfcr[priv->cur_filer_idx] = fcr; | |
7a8b3372 SG |
612 | gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr); |
613 | priv->cur_filer_idx = priv->cur_filer_idx - 1; | |
614 | ||
5188f7e5 | 615 | fcr = RQFCR_PID_DAL | RQFCR_CMP_NOMATCH | |
cbfc6071 | 616 | RQFCR_HASH | RQFCR_AND | RQFCR_HASHTBL_0; |
6c43e046 WJB |
617 | priv->ftp_rqfpr[priv->cur_filer_idx] = fpr; |
618 | priv->ftp_rqfcr[priv->cur_filer_idx] = fcr; | |
7a8b3372 SG |
619 | gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr); |
620 | priv->cur_filer_idx = priv->cur_filer_idx - 1; | |
621 | } | |
622 | ||
623 | if (ethflow & RXH_VLAN) { | |
624 | fcr = RQFCR_PID_VID | RQFCR_CMP_NOMATCH | RQFCR_HASH | | |
cbfc6071 | 625 | RQFCR_AND | RQFCR_HASHTBL_0; |
7a8b3372 | 626 | gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr); |
6c43e046 WJB |
627 | priv->ftp_rqfpr[priv->cur_filer_idx] = fpr; |
628 | priv->ftp_rqfcr[priv->cur_filer_idx] = fcr; | |
7a8b3372 SG |
629 | priv->cur_filer_idx = priv->cur_filer_idx - 1; |
630 | } | |
631 | ||
632 | if (ethflow & RXH_IP_SRC) { | |
633 | fcr = RQFCR_PID_SIA | RQFCR_CMP_NOMATCH | RQFCR_HASH | | |
cbfc6071 | 634 | RQFCR_AND | RQFCR_HASHTBL_0; |
6c43e046 WJB |
635 | priv->ftp_rqfpr[priv->cur_filer_idx] = fpr; |
636 | priv->ftp_rqfcr[priv->cur_filer_idx] = fcr; | |
7a8b3372 SG |
637 | gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr); |
638 | priv->cur_filer_idx = priv->cur_filer_idx - 1; | |
639 | } | |
640 | ||
641 | if (ethflow & (RXH_IP_DST)) { | |
642 | fcr = RQFCR_PID_DIA | RQFCR_CMP_NOMATCH | RQFCR_HASH | | |
cbfc6071 | 643 | RQFCR_AND | RQFCR_HASHTBL_0; |
6c43e046 WJB |
644 | priv->ftp_rqfpr[priv->cur_filer_idx] = fpr; |
645 | priv->ftp_rqfcr[priv->cur_filer_idx] = fcr; | |
7a8b3372 SG |
646 | gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr); |
647 | priv->cur_filer_idx = priv->cur_filer_idx - 1; | |
648 | } | |
649 | ||
650 | if (ethflow & RXH_L3_PROTO) { | |
651 | fcr = RQFCR_PID_L4P | RQFCR_CMP_NOMATCH | RQFCR_HASH | | |
cbfc6071 | 652 | RQFCR_AND | RQFCR_HASHTBL_0; |
6c43e046 WJB |
653 | priv->ftp_rqfpr[priv->cur_filer_idx] = fpr; |
654 | priv->ftp_rqfcr[priv->cur_filer_idx] = fcr; | |
7a8b3372 SG |
655 | gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr); |
656 | priv->cur_filer_idx = priv->cur_filer_idx - 1; | |
657 | } | |
658 | ||
659 | if (ethflow & RXH_L4_B_0_1) { | |
660 | fcr = RQFCR_PID_SPT | RQFCR_CMP_NOMATCH | RQFCR_HASH | | |
cbfc6071 | 661 | RQFCR_AND | RQFCR_HASHTBL_0; |
6c43e046 WJB |
662 | priv->ftp_rqfpr[priv->cur_filer_idx] = fpr; |
663 | priv->ftp_rqfcr[priv->cur_filer_idx] = fcr; | |
7a8b3372 SG |
664 | gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr); |
665 | priv->cur_filer_idx = priv->cur_filer_idx - 1; | |
666 | } | |
667 | ||
668 | if (ethflow & RXH_L4_B_2_3) { | |
669 | fcr = RQFCR_PID_DPT | RQFCR_CMP_NOMATCH | RQFCR_HASH | | |
cbfc6071 | 670 | RQFCR_AND | RQFCR_HASHTBL_0; |
6c43e046 WJB |
671 | priv->ftp_rqfpr[priv->cur_filer_idx] = fpr; |
672 | priv->ftp_rqfcr[priv->cur_filer_idx] = fcr; | |
7a8b3372 SG |
673 | gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr); |
674 | priv->cur_filer_idx = priv->cur_filer_idx - 1; | |
675 | } | |
676 | } | |
677 | ||
cbfc6071 JC |
678 | static int gfar_ethflow_to_filer_table(struct gfar_private *priv, u64 ethflow, |
679 | u64 class) | |
7a8b3372 | 680 | { |
7a8b3372 | 681 | unsigned int cmp_rqfpr; |
588dc911 WS |
682 | unsigned int *local_rqfpr; |
683 | unsigned int *local_rqfcr; | |
7a8b3372 SG |
684 | int i = 0x0, k = 0x0; |
685 | int j = MAX_FILER_IDX, l = 0x0; | |
588dc911 WS |
686 | int ret = 1; |
687 | ||
b2adaca9 JP |
688 | local_rqfpr = kmalloc_array(MAX_FILER_IDX + 1, sizeof(unsigned int), |
689 | GFP_KERNEL); | |
690 | local_rqfcr = kmalloc_array(MAX_FILER_IDX + 1, sizeof(unsigned int), | |
691 | GFP_KERNEL); | |
588dc911 | 692 | if (!local_rqfpr || !local_rqfcr) { |
588dc911 WS |
693 | ret = 0; |
694 | goto err; | |
695 | } | |
7a8b3372 SG |
696 | |
697 | switch (class) { | |
698 | case TCP_V4_FLOW: | |
699 | cmp_rqfpr = RQFPR_IPV4 |RQFPR_TCP; | |
700 | break; | |
701 | case UDP_V4_FLOW: | |
702 | cmp_rqfpr = RQFPR_IPV4 |RQFPR_UDP; | |
703 | break; | |
704 | case TCP_V6_FLOW: | |
705 | cmp_rqfpr = RQFPR_IPV6 |RQFPR_TCP; | |
706 | break; | |
707 | case UDP_V6_FLOW: | |
708 | cmp_rqfpr = RQFPR_IPV6 |RQFPR_UDP; | |
709 | break; | |
7a8b3372 | 710 | default: |
375d6a1b JP |
711 | netdev_err(priv->ndev, |
712 | "Right now this class is not supported\n"); | |
588dc911 WS |
713 | ret = 0; |
714 | goto err; | |
7a8b3372 SG |
715 | } |
716 | ||
717 | for (i = 0; i < MAX_FILER_IDX + 1; i++) { | |
6c43e046 WJB |
718 | local_rqfpr[j] = priv->ftp_rqfpr[i]; |
719 | local_rqfcr[j] = priv->ftp_rqfcr[i]; | |
7a8b3372 | 720 | j--; |
cbfc6071 JC |
721 | if ((priv->ftp_rqfcr[i] == |
722 | (RQFCR_PID_PARSE | RQFCR_CLE | RQFCR_AND)) && | |
723 | (priv->ftp_rqfpr[i] == cmp_rqfpr)) | |
7a8b3372 SG |
724 | break; |
725 | } | |
726 | ||
727 | if (i == MAX_FILER_IDX + 1) { | |
375d6a1b JP |
728 | netdev_err(priv->ndev, |
729 | "No parse rule found, can't create hash rules\n"); | |
588dc911 WS |
730 | ret = 0; |
731 | goto err; | |
7a8b3372 SG |
732 | } |
733 | ||
734 | /* If a match was found, then it begins the starting of a cluster rule | |
735 | * if it was already programmed, we need to overwrite these rules | |
736 | */ | |
737 | for (l = i+1; l < MAX_FILER_IDX; l++) { | |
6c43e046 | 738 | if ((priv->ftp_rqfcr[l] & RQFCR_CLE) && |
cbfc6071 | 739 | !(priv->ftp_rqfcr[l] & RQFCR_AND)) { |
6c43e046 | 740 | priv->ftp_rqfcr[l] = RQFCR_CLE | RQFCR_CMP_EXACT | |
cbfc6071 | 741 | RQFCR_HASHTBL_0 | RQFCR_PID_MASK; |
6c43e046 WJB |
742 | priv->ftp_rqfpr[l] = FPR_FILER_MASK; |
743 | gfar_write_filer(priv, l, priv->ftp_rqfcr[l], | |
cbfc6071 | 744 | priv->ftp_rqfpr[l]); |
7a8b3372 SG |
745 | break; |
746 | } | |
747 | ||
6c43e046 WJB |
748 | if (!(priv->ftp_rqfcr[l] & RQFCR_CLE) && |
749 | (priv->ftp_rqfcr[l] & RQFCR_AND)) | |
7a8b3372 SG |
750 | continue; |
751 | else { | |
6c43e046 WJB |
752 | local_rqfpr[j] = priv->ftp_rqfpr[l]; |
753 | local_rqfcr[j] = priv->ftp_rqfcr[l]; | |
7a8b3372 SG |
754 | j--; |
755 | } | |
756 | } | |
757 | ||
758 | priv->cur_filer_idx = l - 1; | |
7a8b3372 SG |
759 | |
760 | /* hash rules */ | |
761 | ethflow_to_filer_rules(priv, ethflow); | |
762 | ||
763 | /* Write back the popped out rules again */ | |
764 | for (k = j+1; k < MAX_FILER_IDX; k++) { | |
6c43e046 WJB |
765 | priv->ftp_rqfpr[priv->cur_filer_idx] = local_rqfpr[k]; |
766 | priv->ftp_rqfcr[priv->cur_filer_idx] = local_rqfcr[k]; | |
7a8b3372 | 767 | gfar_write_filer(priv, priv->cur_filer_idx, |
cbfc6071 | 768 | local_rqfcr[k], local_rqfpr[k]); |
7a8b3372 SG |
769 | if (!priv->cur_filer_idx) |
770 | break; | |
771 | priv->cur_filer_idx = priv->cur_filer_idx - 1; | |
772 | } | |
773 | ||
588dc911 WS |
774 | err: |
775 | kfree(local_rqfcr); | |
776 | kfree(local_rqfpr); | |
777 | return ret; | |
7a8b3372 SG |
778 | } |
779 | ||
cbfc6071 JC |
780 | static int gfar_set_hash_opts(struct gfar_private *priv, |
781 | struct ethtool_rxnfc *cmd) | |
7a8b3372 | 782 | { |
7a8b3372 SG |
783 | /* write the filer rules here */ |
784 | if (!gfar_ethflow_to_filer_table(priv, cmd->data, cmd->flow_type)) | |
bde3528f | 785 | return -EINVAL; |
7a8b3372 SG |
786 | |
787 | return 0; | |
788 | } | |
789 | ||
4aa3a715 SP |
790 | static int gfar_check_filer_hardware(struct gfar_private *priv) |
791 | { | |
42851e88 | 792 | struct gfar __iomem *regs = priv->gfargrp[0].regs; |
4aa3a715 SP |
793 | u32 i; |
794 | ||
4aa3a715 SP |
795 | /* Check if we are in FIFO mode */ |
796 | i = gfar_read(®s->ecntrl); | |
797 | i &= ECNTRL_FIFM; | |
798 | if (i == ECNTRL_FIFM) { | |
799 | netdev_notice(priv->ndev, "Interface in FIFO mode\n"); | |
800 | i = gfar_read(®s->rctrl); | |
801 | i &= RCTRL_PRSDEP_MASK | RCTRL_PRSFM; | |
802 | if (i == (RCTRL_PRSDEP_MASK | RCTRL_PRSFM)) { | |
803 | netdev_info(priv->ndev, | |
cbfc6071 | 804 | "Receive Queue Filtering enabled\n"); |
4aa3a715 SP |
805 | } else { |
806 | netdev_warn(priv->ndev, | |
cbfc6071 | 807 | "Receive Queue Filtering disabled\n"); |
4aa3a715 SP |
808 | return -EOPNOTSUPP; |
809 | } | |
810 | } | |
811 | /* Or in standard mode */ | |
812 | else { | |
813 | i = gfar_read(®s->rctrl); | |
814 | i &= RCTRL_PRSDEP_MASK; | |
815 | if (i == RCTRL_PRSDEP_MASK) { | |
816 | netdev_info(priv->ndev, | |
cbfc6071 | 817 | "Receive Queue Filtering enabled\n"); |
4aa3a715 SP |
818 | } else { |
819 | netdev_warn(priv->ndev, | |
cbfc6071 | 820 | "Receive Queue Filtering disabled\n"); |
4aa3a715 SP |
821 | return -EOPNOTSUPP; |
822 | } | |
823 | } | |
824 | ||
825 | /* Sets the properties for arbitrary filer rule | |
cbfc6071 JC |
826 | * to the first 4 Layer 4 Bytes |
827 | */ | |
42851e88 | 828 | gfar_write(®s->rbifx, 0xC0C1C2C3); |
4aa3a715 SP |
829 | return 0; |
830 | } | |
831 | ||
4aa3a715 SP |
832 | /* Write a mask to filer cache */ |
833 | static void gfar_set_mask(u32 mask, struct filer_table *tab) | |
834 | { | |
835 | tab->fe[tab->index].ctrl = RQFCR_AND | RQFCR_PID_MASK | RQFCR_CMP_EXACT; | |
836 | tab->fe[tab->index].prop = mask; | |
837 | tab->index++; | |
838 | } | |
839 | ||
840 | /* Sets parse bits (e.g. IP or TCP) */ | |
841 | static void gfar_set_parse_bits(u32 value, u32 mask, struct filer_table *tab) | |
842 | { | |
843 | gfar_set_mask(mask, tab); | |
cbfc6071 JC |
844 | tab->fe[tab->index].ctrl = RQFCR_CMP_EXACT | RQFCR_PID_PARSE | |
845 | RQFCR_AND; | |
4aa3a715 SP |
846 | tab->fe[tab->index].prop = value; |
847 | tab->index++; | |
848 | } | |
849 | ||
850 | static void gfar_set_general_attribute(u32 value, u32 mask, u32 flag, | |
cbfc6071 | 851 | struct filer_table *tab) |
4aa3a715 SP |
852 | { |
853 | gfar_set_mask(mask, tab); | |
854 | tab->fe[tab->index].ctrl = RQFCR_CMP_EXACT | RQFCR_AND | flag; | |
855 | tab->fe[tab->index].prop = value; | |
856 | tab->index++; | |
857 | } | |
858 | ||
cbfc6071 | 859 | /* For setting a tuple of value and mask of type flag |
4aa3a715 SP |
860 | * Example: |
861 | * IP-Src = 10.0.0.0/255.0.0.0 | |
862 | * value: 0x0A000000 mask: FF000000 flag: RQFPR_IPV4 | |
863 | * | |
864 | * Ethtool gives us a value=0 and mask=~0 for don't care a tuple | |
865 | * For a don't care mask it gives us a 0 | |
866 | * | |
867 | * The check if don't care and the mask adjustment if mask=0 is done for VLAN | |
868 | * and MAC stuff on an upper level (due to missing information on this level). | |
869 | * For these guys we can discard them if they are value=0 and mask=0. | |
870 | * | |
871 | * Further the all masks are one-padded for better hardware efficiency. | |
872 | */ | |
873 | static void gfar_set_attribute(u32 value, u32 mask, u32 flag, | |
cbfc6071 | 874 | struct filer_table *tab) |
4aa3a715 SP |
875 | { |
876 | switch (flag) { | |
380b153c | 877 | /* 3bit */ |
4aa3a715 SP |
878 | case RQFCR_PID_PRI: |
879 | if (!(value | mask)) | |
880 | return; | |
881 | mask |= RQFCR_PID_PRI_MASK; | |
882 | break; | |
883 | /* 8bit */ | |
884 | case RQFCR_PID_L4P: | |
885 | case RQFCR_PID_TOS: | |
886 | if (!~(mask | RQFCR_PID_L4P_MASK)) | |
887 | return; | |
888 | if (!mask) | |
889 | mask = ~0; | |
890 | else | |
891 | mask |= RQFCR_PID_L4P_MASK; | |
892 | break; | |
893 | /* 12bit */ | |
894 | case RQFCR_PID_VID: | |
895 | if (!(value | mask)) | |
896 | return; | |
897 | mask |= RQFCR_PID_VID_MASK; | |
898 | break; | |
899 | /* 16bit */ | |
900 | case RQFCR_PID_DPT: | |
901 | case RQFCR_PID_SPT: | |
902 | case RQFCR_PID_ETY: | |
903 | if (!~(mask | RQFCR_PID_PORT_MASK)) | |
904 | return; | |
905 | if (!mask) | |
906 | mask = ~0; | |
907 | else | |
908 | mask |= RQFCR_PID_PORT_MASK; | |
909 | break; | |
910 | /* 24bit */ | |
911 | case RQFCR_PID_DAH: | |
912 | case RQFCR_PID_DAL: | |
913 | case RQFCR_PID_SAH: | |
914 | case RQFCR_PID_SAL: | |
915 | if (!(value | mask)) | |
916 | return; | |
917 | mask |= RQFCR_PID_MAC_MASK; | |
918 | break; | |
919 | /* for all real 32bit masks */ | |
920 | default: | |
921 | if (!~mask) | |
922 | return; | |
923 | if (!mask) | |
924 | mask = ~0; | |
925 | break; | |
926 | } | |
927 | gfar_set_general_attribute(value, mask, flag, tab); | |
928 | } | |
929 | ||
930 | /* Translates value and mask for UDP, TCP or SCTP */ | |
931 | static void gfar_set_basic_ip(struct ethtool_tcpip4_spec *value, | |
cbfc6071 JC |
932 | struct ethtool_tcpip4_spec *mask, |
933 | struct filer_table *tab) | |
4aa3a715 | 934 | { |
42851e88 CM |
935 | gfar_set_attribute(be32_to_cpu(value->ip4src), |
936 | be32_to_cpu(mask->ip4src), | |
937 | RQFCR_PID_SIA, tab); | |
938 | gfar_set_attribute(be32_to_cpu(value->ip4dst), | |
939 | be32_to_cpu(mask->ip4dst), | |
940 | RQFCR_PID_DIA, tab); | |
941 | gfar_set_attribute(be16_to_cpu(value->pdst), | |
942 | be16_to_cpu(mask->pdst), | |
943 | RQFCR_PID_DPT, tab); | |
944 | gfar_set_attribute(be16_to_cpu(value->psrc), | |
945 | be16_to_cpu(mask->psrc), | |
946 | RQFCR_PID_SPT, tab); | |
4aa3a715 SP |
947 | gfar_set_attribute(value->tos, mask->tos, RQFCR_PID_TOS, tab); |
948 | } | |
949 | ||
950 | /* Translates value and mask for RAW-IP4 */ | |
951 | static void gfar_set_user_ip(struct ethtool_usrip4_spec *value, | |
cbfc6071 JC |
952 | struct ethtool_usrip4_spec *mask, |
953 | struct filer_table *tab) | |
4aa3a715 | 954 | { |
42851e88 CM |
955 | gfar_set_attribute(be32_to_cpu(value->ip4src), |
956 | be32_to_cpu(mask->ip4src), | |
957 | RQFCR_PID_SIA, tab); | |
958 | gfar_set_attribute(be32_to_cpu(value->ip4dst), | |
959 | be32_to_cpu(mask->ip4dst), | |
960 | RQFCR_PID_DIA, tab); | |
4aa3a715 SP |
961 | gfar_set_attribute(value->tos, mask->tos, RQFCR_PID_TOS, tab); |
962 | gfar_set_attribute(value->proto, mask->proto, RQFCR_PID_L4P, tab); | |
42851e88 CM |
963 | gfar_set_attribute(be32_to_cpu(value->l4_4_bytes), |
964 | be32_to_cpu(mask->l4_4_bytes), | |
965 | RQFCR_PID_ARB, tab); | |
4aa3a715 SP |
966 | |
967 | } | |
968 | ||
969 | /* Translates value and mask for ETHER spec */ | |
970 | static void gfar_set_ether(struct ethhdr *value, struct ethhdr *mask, | |
cbfc6071 | 971 | struct filer_table *tab) |
4aa3a715 SP |
972 | { |
973 | u32 upper_temp_mask = 0; | |
974 | u32 lower_temp_mask = 0; | |
cbfc6071 | 975 | |
4aa3a715 SP |
976 | /* Source address */ |
977 | if (!is_broadcast_ether_addr(mask->h_source)) { | |
4aa3a715 SP |
978 | if (is_zero_ether_addr(mask->h_source)) { |
979 | upper_temp_mask = 0xFFFFFFFF; | |
980 | lower_temp_mask = 0xFFFFFFFF; | |
981 | } else { | |
cbfc6071 JC |
982 | upper_temp_mask = mask->h_source[0] << 16 | |
983 | mask->h_source[1] << 8 | | |
984 | mask->h_source[2]; | |
985 | lower_temp_mask = mask->h_source[3] << 16 | | |
986 | mask->h_source[4] << 8 | | |
987 | mask->h_source[5]; | |
4aa3a715 SP |
988 | } |
989 | /* Upper 24bit */ | |
cbfc6071 JC |
990 | gfar_set_attribute(value->h_source[0] << 16 | |
991 | value->h_source[1] << 8 | | |
992 | value->h_source[2], | |
993 | upper_temp_mask, RQFCR_PID_SAH, tab); | |
4aa3a715 | 994 | /* And the same for the lower part */ |
cbfc6071 JC |
995 | gfar_set_attribute(value->h_source[3] << 16 | |
996 | value->h_source[4] << 8 | | |
997 | value->h_source[5], | |
998 | lower_temp_mask, RQFCR_PID_SAL, tab); | |
4aa3a715 SP |
999 | } |
1000 | /* Destination address */ | |
1001 | if (!is_broadcast_ether_addr(mask->h_dest)) { | |
4aa3a715 | 1002 | /* Special for destination is limited broadcast */ |
cbfc6071 JC |
1003 | if ((is_broadcast_ether_addr(value->h_dest) && |
1004 | is_zero_ether_addr(mask->h_dest))) { | |
4aa3a715 SP |
1005 | gfar_set_parse_bits(RQFPR_EBC, RQFPR_EBC, tab); |
1006 | } else { | |
4aa3a715 SP |
1007 | if (is_zero_ether_addr(mask->h_dest)) { |
1008 | upper_temp_mask = 0xFFFFFFFF; | |
1009 | lower_temp_mask = 0xFFFFFFFF; | |
1010 | } else { | |
cbfc6071 JC |
1011 | upper_temp_mask = mask->h_dest[0] << 16 | |
1012 | mask->h_dest[1] << 8 | | |
1013 | mask->h_dest[2]; | |
1014 | lower_temp_mask = mask->h_dest[3] << 16 | | |
1015 | mask->h_dest[4] << 8 | | |
1016 | mask->h_dest[5]; | |
4aa3a715 SP |
1017 | } |
1018 | ||
1019 | /* Upper 24bit */ | |
cbfc6071 JC |
1020 | gfar_set_attribute(value->h_dest[0] << 16 | |
1021 | value->h_dest[1] << 8 | | |
1022 | value->h_dest[2], | |
1023 | upper_temp_mask, RQFCR_PID_DAH, tab); | |
4aa3a715 | 1024 | /* And the same for the lower part */ |
cbfc6071 JC |
1025 | gfar_set_attribute(value->h_dest[3] << 16 | |
1026 | value->h_dest[4] << 8 | | |
1027 | value->h_dest[5], | |
1028 | lower_temp_mask, RQFCR_PID_DAL, tab); | |
4aa3a715 SP |
1029 | } |
1030 | } | |
1031 | ||
42851e88 CM |
1032 | gfar_set_attribute(be16_to_cpu(value->h_proto), |
1033 | be16_to_cpu(mask->h_proto), | |
1034 | RQFCR_PID_ETY, tab); | |
1035 | } | |
1036 | ||
1037 | static inline u32 vlan_tci_vid(struct ethtool_rx_flow_spec *rule) | |
1038 | { | |
1039 | return be16_to_cpu(rule->h_ext.vlan_tci) & VLAN_VID_MASK; | |
1040 | } | |
1041 | ||
1042 | static inline u32 vlan_tci_vidm(struct ethtool_rx_flow_spec *rule) | |
1043 | { | |
1044 | return be16_to_cpu(rule->m_ext.vlan_tci) & VLAN_VID_MASK; | |
1045 | } | |
1046 | ||
1047 | static inline u32 vlan_tci_cfi(struct ethtool_rx_flow_spec *rule) | |
1048 | { | |
1049 | return be16_to_cpu(rule->h_ext.vlan_tci) & VLAN_CFI_MASK; | |
1050 | } | |
1051 | ||
1052 | static inline u32 vlan_tci_cfim(struct ethtool_rx_flow_spec *rule) | |
1053 | { | |
1054 | return be16_to_cpu(rule->m_ext.vlan_tci) & VLAN_CFI_MASK; | |
1055 | } | |
1056 | ||
1057 | static inline u32 vlan_tci_prio(struct ethtool_rx_flow_spec *rule) | |
1058 | { | |
1059 | return (be16_to_cpu(rule->h_ext.vlan_tci) & VLAN_PRIO_MASK) >> | |
1060 | VLAN_PRIO_SHIFT; | |
1061 | } | |
1062 | ||
1063 | static inline u32 vlan_tci_priom(struct ethtool_rx_flow_spec *rule) | |
1064 | { | |
1065 | return (be16_to_cpu(rule->m_ext.vlan_tci) & VLAN_PRIO_MASK) >> | |
1066 | VLAN_PRIO_SHIFT; | |
4aa3a715 SP |
1067 | } |
1068 | ||
1069 | /* Convert a rule to binary filter format of gianfar */ | |
1070 | static int gfar_convert_to_filer(struct ethtool_rx_flow_spec *rule, | |
cbfc6071 | 1071 | struct filer_table *tab) |
4aa3a715 SP |
1072 | { |
1073 | u32 vlan = 0, vlan_mask = 0; | |
1074 | u32 id = 0, id_mask = 0; | |
1075 | u32 cfi = 0, cfi_mask = 0; | |
1076 | u32 prio = 0, prio_mask = 0; | |
4aa3a715 SP |
1077 | u32 old_index = tab->index; |
1078 | ||
1079 | /* Check if vlan is wanted */ | |
42851e88 CM |
1080 | if ((rule->flow_type & FLOW_EXT) && |
1081 | (rule->m_ext.vlan_tci != cpu_to_be16(0xFFFF))) { | |
4aa3a715 | 1082 | if (!rule->m_ext.vlan_tci) |
42851e88 | 1083 | rule->m_ext.vlan_tci = cpu_to_be16(0xFFFF); |
4aa3a715 SP |
1084 | |
1085 | vlan = RQFPR_VLN; | |
1086 | vlan_mask = RQFPR_VLN; | |
1087 | ||
1088 | /* Separate the fields */ | |
42851e88 CM |
1089 | id = vlan_tci_vid(rule); |
1090 | id_mask = vlan_tci_vidm(rule); | |
1091 | cfi = vlan_tci_cfi(rule); | |
1092 | cfi_mask = vlan_tci_cfim(rule); | |
1093 | prio = vlan_tci_prio(rule); | |
1094 | prio_mask = vlan_tci_priom(rule); | |
380b153c | 1095 | |
f4f9a5e6 MM |
1096 | if (cfi_mask) { |
1097 | if (cfi) | |
1098 | vlan |= RQFPR_CFI; | |
4aa3a715 SP |
1099 | vlan_mask |= RQFPR_CFI; |
1100 | } | |
1101 | } | |
1102 | ||
1103 | switch (rule->flow_type & ~FLOW_EXT) { | |
1104 | case TCP_V4_FLOW: | |
1105 | gfar_set_parse_bits(RQFPR_IPV4 | RQFPR_TCP | vlan, | |
cbfc6071 | 1106 | RQFPR_IPV4 | RQFPR_TCP | vlan_mask, tab); |
4aa3a715 | 1107 | gfar_set_basic_ip(&rule->h_u.tcp_ip4_spec, |
cbfc6071 | 1108 | &rule->m_u.tcp_ip4_spec, tab); |
4aa3a715 SP |
1109 | break; |
1110 | case UDP_V4_FLOW: | |
1111 | gfar_set_parse_bits(RQFPR_IPV4 | RQFPR_UDP | vlan, | |
cbfc6071 | 1112 | RQFPR_IPV4 | RQFPR_UDP | vlan_mask, tab); |
4aa3a715 | 1113 | gfar_set_basic_ip(&rule->h_u.udp_ip4_spec, |
cbfc6071 | 1114 | &rule->m_u.udp_ip4_spec, tab); |
4aa3a715 SP |
1115 | break; |
1116 | case SCTP_V4_FLOW: | |
1117 | gfar_set_parse_bits(RQFPR_IPV4 | vlan, RQFPR_IPV4 | vlan_mask, | |
cbfc6071 | 1118 | tab); |
4aa3a715 | 1119 | gfar_set_attribute(132, 0, RQFCR_PID_L4P, tab); |
cbfc6071 JC |
1120 | gfar_set_basic_ip((struct ethtool_tcpip4_spec *)&rule->h_u, |
1121 | (struct ethtool_tcpip4_spec *)&rule->m_u, | |
1122 | tab); | |
4aa3a715 SP |
1123 | break; |
1124 | case IP_USER_FLOW: | |
1125 | gfar_set_parse_bits(RQFPR_IPV4 | vlan, RQFPR_IPV4 | vlan_mask, | |
cbfc6071 | 1126 | tab); |
4aa3a715 | 1127 | gfar_set_user_ip((struct ethtool_usrip4_spec *) &rule->h_u, |
cbfc6071 JC |
1128 | (struct ethtool_usrip4_spec *) &rule->m_u, |
1129 | tab); | |
4aa3a715 SP |
1130 | break; |
1131 | case ETHER_FLOW: | |
1132 | if (vlan) | |
1133 | gfar_set_parse_bits(vlan, vlan_mask, tab); | |
1134 | gfar_set_ether((struct ethhdr *) &rule->h_u, | |
cbfc6071 | 1135 | (struct ethhdr *) &rule->m_u, tab); |
4aa3a715 SP |
1136 | break; |
1137 | default: | |
1138 | return -1; | |
1139 | } | |
1140 | ||
1141 | /* Set the vlan attributes in the end */ | |
1142 | if (vlan) { | |
1143 | gfar_set_attribute(id, id_mask, RQFCR_PID_VID, tab); | |
1144 | gfar_set_attribute(prio, prio_mask, RQFCR_PID_PRI, tab); | |
1145 | } | |
1146 | ||
1147 | /* If there has been nothing written till now, it must be a default */ | |
1148 | if (tab->index == old_index) { | |
1149 | gfar_set_mask(0xFFFFFFFF, tab); | |
1150 | tab->fe[tab->index].ctrl = 0x20; | |
1151 | tab->fe[tab->index].prop = 0x0; | |
1152 | tab->index++; | |
1153 | } | |
1154 | ||
1155 | /* Remove last AND */ | |
1156 | tab->fe[tab->index - 1].ctrl &= (~RQFCR_AND); | |
1157 | ||
1158 | /* Specify which queue to use or to drop */ | |
1159 | if (rule->ring_cookie == RX_CLS_FLOW_DISC) | |
1160 | tab->fe[tab->index - 1].ctrl |= RQFCR_RJE; | |
1161 | else | |
1162 | tab->fe[tab->index - 1].ctrl |= (rule->ring_cookie << 10); | |
1163 | ||
1164 | /* Only big enough entries can be clustered */ | |
1165 | if (tab->index > (old_index + 2)) { | |
1166 | tab->fe[old_index + 1].ctrl |= RQFCR_CLE; | |
1167 | tab->fe[tab->index - 1].ctrl |= RQFCR_CLE; | |
1168 | } | |
1169 | ||
cbfc6071 JC |
1170 | /* In rare cases the cache can be full while there is |
1171 | * free space in hw | |
1172 | */ | |
4aa3a715 SP |
1173 | if (tab->index > MAX_FILER_CACHE_IDX - 1) |
1174 | return -EBUSY; | |
1175 | ||
1176 | return 0; | |
1177 | } | |
1178 | ||
4aa3a715 SP |
1179 | /* Write the bit-pattern from software's buffer to hardware registers */ |
1180 | static int gfar_write_filer_table(struct gfar_private *priv, | |
cbfc6071 | 1181 | struct filer_table *tab) |
4aa3a715 SP |
1182 | { |
1183 | u32 i = 0; | |
1184 | if (tab->index > MAX_FILER_IDX - 1) | |
1185 | return -EBUSY; | |
1186 | ||
4aa3a715 | 1187 | /* Fill regular entries */ |
a898fe04 | 1188 | for (; i < MAX_FILER_IDX && (tab->fe[i].ctrl | tab->fe[i].prop); i++) |
4aa3a715 SP |
1189 | gfar_write_filer(priv, i, tab->fe[i].ctrl, tab->fe[i].prop); |
1190 | /* Fill the rest with fall-troughs */ | |
a898fe04 | 1191 | for (; i < MAX_FILER_IDX; i++) |
4aa3a715 SP |
1192 | gfar_write_filer(priv, i, 0x60, 0xFFFFFFFF); |
1193 | /* Last entry must be default accept | |
cbfc6071 JC |
1194 | * because that's what people expect |
1195 | */ | |
4aa3a715 SP |
1196 | gfar_write_filer(priv, i, 0x20, 0x0); |
1197 | ||
4aa3a715 SP |
1198 | return 0; |
1199 | } | |
1200 | ||
1201 | static int gfar_check_capability(struct ethtool_rx_flow_spec *flow, | |
cbfc6071 | 1202 | struct gfar_private *priv) |
4aa3a715 SP |
1203 | { |
1204 | ||
1205 | if (flow->flow_type & FLOW_EXT) { | |
1206 | if (~flow->m_ext.data[0] || ~flow->m_ext.data[1]) | |
1207 | netdev_warn(priv->ndev, | |
cbfc6071 | 1208 | "User-specific data not supported!\n"); |
4aa3a715 SP |
1209 | if (~flow->m_ext.vlan_etype) |
1210 | netdev_warn(priv->ndev, | |
cbfc6071 | 1211 | "VLAN-etype not supported!\n"); |
4aa3a715 SP |
1212 | } |
1213 | if (flow->flow_type == IP_USER_FLOW) | |
1214 | if (flow->h_u.usr_ip4_spec.ip_ver != ETH_RX_NFC_IP4) | |
1215 | netdev_warn(priv->ndev, | |
cbfc6071 | 1216 | "IP-Version differing from IPv4 not supported!\n"); |
4aa3a715 SP |
1217 | |
1218 | return 0; | |
1219 | } | |
1220 | ||
1221 | static int gfar_process_filer_changes(struct gfar_private *priv) | |
1222 | { | |
1223 | struct ethtool_flow_spec_container *j; | |
1224 | struct filer_table *tab; | |
4aa3a715 SP |
1225 | s32 ret = 0; |
1226 | ||
1227 | /* So index is set to zero, too! */ | |
1228 | tab = kzalloc(sizeof(*tab), GFP_KERNEL); | |
1229 | if (tab == NULL) | |
1230 | return -ENOMEM; | |
1231 | ||
1232 | /* Now convert the existing filer data from flow_spec into | |
cbfc6071 JC |
1233 | * filer tables binary format |
1234 | */ | |
4aa3a715 SP |
1235 | list_for_each_entry(j, &priv->rx_list.list, list) { |
1236 | ret = gfar_convert_to_filer(&j->fs, tab); | |
1237 | if (ret == -EBUSY) { | |
cbfc6071 JC |
1238 | netdev_err(priv->ndev, |
1239 | "Rule not added: No free space!\n"); | |
4aa3a715 SP |
1240 | goto end; |
1241 | } | |
1242 | if (ret == -1) { | |
cbfc6071 JC |
1243 | netdev_err(priv->ndev, |
1244 | "Rule not added: Unsupported Flow-type!\n"); | |
4aa3a715 SP |
1245 | goto end; |
1246 | } | |
1247 | } | |
1248 | ||
4aa3a715 SP |
1249 | /* Write everything to hardware */ |
1250 | ret = gfar_write_filer_table(priv, tab); | |
1251 | if (ret == -EBUSY) { | |
1252 | netdev_err(priv->ndev, "Rule not added: No free space!\n"); | |
1253 | goto end; | |
1254 | } | |
1255 | ||
cbfc6071 JC |
1256 | end: |
1257 | kfree(tab); | |
4aa3a715 SP |
1258 | return ret; |
1259 | } | |
1260 | ||
1261 | static void gfar_invert_masks(struct ethtool_rx_flow_spec *flow) | |
1262 | { | |
1263 | u32 i = 0; | |
1264 | ||
1265 | for (i = 0; i < sizeof(flow->m_u); i++) | |
1266 | flow->m_u.hdata[i] ^= 0xFF; | |
1267 | ||
42851e88 CM |
1268 | flow->m_ext.vlan_etype ^= cpu_to_be16(0xFFFF); |
1269 | flow->m_ext.vlan_tci ^= cpu_to_be16(0xFFFF); | |
1270 | flow->m_ext.data[0] ^= cpu_to_be32(~0); | |
1271 | flow->m_ext.data[1] ^= cpu_to_be32(~0); | |
4aa3a715 SP |
1272 | } |
1273 | ||
1274 | static int gfar_add_cls(struct gfar_private *priv, | |
cbfc6071 | 1275 | struct ethtool_rx_flow_spec *flow) |
4aa3a715 SP |
1276 | { |
1277 | struct ethtool_flow_spec_container *temp, *comp; | |
1278 | int ret = 0; | |
1279 | ||
1280 | temp = kmalloc(sizeof(*temp), GFP_KERNEL); | |
1281 | if (temp == NULL) | |
1282 | return -ENOMEM; | |
1283 | memcpy(&temp->fs, flow, sizeof(temp->fs)); | |
1284 | ||
1285 | gfar_invert_masks(&temp->fs); | |
1286 | ret = gfar_check_capability(&temp->fs, priv); | |
1287 | if (ret) | |
1288 | goto clean_mem; | |
1289 | /* Link in the new element at the right @location */ | |
1290 | if (list_empty(&priv->rx_list.list)) { | |
1291 | ret = gfar_check_filer_hardware(priv); | |
1292 | if (ret != 0) | |
1293 | goto clean_mem; | |
1294 | list_add(&temp->list, &priv->rx_list.list); | |
1295 | goto process; | |
1296 | } else { | |
4aa3a715 SP |
1297 | list_for_each_entry(comp, &priv->rx_list.list, list) { |
1298 | if (comp->fs.location > flow->location) { | |
1299 | list_add_tail(&temp->list, &comp->list); | |
1300 | goto process; | |
1301 | } | |
1302 | if (comp->fs.location == flow->location) { | |
1303 | netdev_err(priv->ndev, | |
cbfc6071 JC |
1304 | "Rule not added: ID %d not free!\n", |
1305 | flow->location); | |
4aa3a715 SP |
1306 | ret = -EBUSY; |
1307 | goto clean_mem; | |
1308 | } | |
1309 | } | |
1310 | list_add_tail(&temp->list, &priv->rx_list.list); | |
1311 | } | |
1312 | ||
1313 | process: | |
b5c8c890 | 1314 | priv->rx_list.count++; |
4aa3a715 SP |
1315 | ret = gfar_process_filer_changes(priv); |
1316 | if (ret) | |
1317 | goto clean_list; | |
4aa3a715 SP |
1318 | return ret; |
1319 | ||
1320 | clean_list: | |
b5c8c890 | 1321 | priv->rx_list.count--; |
4aa3a715 SP |
1322 | list_del(&temp->list); |
1323 | clean_mem: | |
1324 | kfree(temp); | |
1325 | return ret; | |
1326 | } | |
1327 | ||
1328 | static int gfar_del_cls(struct gfar_private *priv, u32 loc) | |
1329 | { | |
1330 | struct ethtool_flow_spec_container *comp; | |
1331 | u32 ret = -EINVAL; | |
1332 | ||
1333 | if (list_empty(&priv->rx_list.list)) | |
1334 | return ret; | |
1335 | ||
1336 | list_for_each_entry(comp, &priv->rx_list.list, list) { | |
1337 | if (comp->fs.location == loc) { | |
1338 | list_del(&comp->list); | |
1339 | kfree(comp); | |
1340 | priv->rx_list.count--; | |
1341 | gfar_process_filer_changes(priv); | |
1342 | ret = 0; | |
1343 | break; | |
1344 | } | |
1345 | } | |
1346 | ||
1347 | return ret; | |
4aa3a715 SP |
1348 | } |
1349 | ||
1350 | static int gfar_get_cls(struct gfar_private *priv, struct ethtool_rxnfc *cmd) | |
1351 | { | |
1352 | struct ethtool_flow_spec_container *comp; | |
1353 | u32 ret = -EINVAL; | |
1354 | ||
1355 | list_for_each_entry(comp, &priv->rx_list.list, list) { | |
1356 | if (comp->fs.location == cmd->fs.location) { | |
1357 | memcpy(&cmd->fs, &comp->fs, sizeof(cmd->fs)); | |
1358 | gfar_invert_masks(&cmd->fs); | |
1359 | ret = 0; | |
1360 | break; | |
1361 | } | |
1362 | } | |
1363 | ||
1364 | return ret; | |
1365 | } | |
1366 | ||
1367 | static int gfar_get_cls_all(struct gfar_private *priv, | |
cbfc6071 | 1368 | struct ethtool_rxnfc *cmd, u32 *rule_locs) |
4aa3a715 SP |
1369 | { |
1370 | struct ethtool_flow_spec_container *comp; | |
1371 | u32 i = 0; | |
1372 | ||
1373 | list_for_each_entry(comp, &priv->rx_list.list, list) { | |
710778ff BH |
1374 | if (i == cmd->rule_cnt) |
1375 | return -EMSGSIZE; | |
1376 | rule_locs[i] = comp->fs.location; | |
1377 | i++; | |
4aa3a715 SP |
1378 | } |
1379 | ||
1380 | cmd->data = MAX_FILER_IDX; | |
473e64ee | 1381 | cmd->rule_cnt = i; |
4aa3a715 SP |
1382 | |
1383 | return 0; | |
1384 | } | |
1385 | ||
7a8b3372 SG |
1386 | static int gfar_set_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd) |
1387 | { | |
1388 | struct gfar_private *priv = netdev_priv(dev); | |
1389 | int ret = 0; | |
1390 | ||
0851133b CM |
1391 | if (test_bit(GFAR_RESETTING, &priv->state)) |
1392 | return -EBUSY; | |
1393 | ||
4aa3a715 SP |
1394 | mutex_lock(&priv->rx_queue_access); |
1395 | ||
1396 | switch (cmd->cmd) { | |
7a8b3372 SG |
1397 | case ETHTOOL_SRXFH: |
1398 | ret = gfar_set_hash_opts(priv, cmd); | |
1399 | break; | |
4aa3a715 | 1400 | case ETHTOOL_SRXCLSRLINS: |
3a73e49c BH |
1401 | if ((cmd->fs.ring_cookie != RX_CLS_FLOW_DISC && |
1402 | cmd->fs.ring_cookie >= priv->num_rx_queues) || | |
1403 | cmd->fs.location >= MAX_FILER_IDX) { | |
4aa3a715 SP |
1404 | ret = -EINVAL; |
1405 | break; | |
1406 | } | |
1407 | ret = gfar_add_cls(priv, &cmd->fs); | |
1408 | break; | |
1409 | case ETHTOOL_SRXCLSRLDEL: | |
1410 | ret = gfar_del_cls(priv, cmd->fs.location); | |
1411 | break; | |
7a8b3372 SG |
1412 | default: |
1413 | ret = -EINVAL; | |
1414 | } | |
1415 | ||
4aa3a715 SP |
1416 | mutex_unlock(&priv->rx_queue_access); |
1417 | ||
1418 | return ret; | |
1419 | } | |
1420 | ||
1421 | static int gfar_get_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd, | |
cbfc6071 | 1422 | u32 *rule_locs) |
4aa3a715 SP |
1423 | { |
1424 | struct gfar_private *priv = netdev_priv(dev); | |
1425 | int ret = 0; | |
1426 | ||
1427 | switch (cmd->cmd) { | |
1428 | case ETHTOOL_GRXRINGS: | |
1429 | cmd->data = priv->num_rx_queues; | |
1430 | break; | |
1431 | case ETHTOOL_GRXCLSRLCNT: | |
1432 | cmd->rule_cnt = priv->rx_list.count; | |
1433 | break; | |
1434 | case ETHTOOL_GRXCLSRULE: | |
1435 | ret = gfar_get_cls(priv, cmd); | |
1436 | break; | |
1437 | case ETHTOOL_GRXCLSRLALL: | |
815c7db5 | 1438 | ret = gfar_get_cls_all(priv, cmd, rule_locs); |
4aa3a715 SP |
1439 | break; |
1440 | default: | |
1441 | ret = -EINVAL; | |
1442 | break; | |
1443 | } | |
1444 | ||
7a8b3372 SG |
1445 | return ret; |
1446 | } | |
1447 | ||
66636287 RC |
1448 | static int gfar_get_ts_info(struct net_device *dev, |
1449 | struct ethtool_ts_info *info) | |
1450 | { | |
1451 | struct gfar_private *priv = netdev_priv(dev); | |
7349a74e YL |
1452 | struct platform_device *ptp_dev; |
1453 | struct device_node *ptp_node; | |
1e562c81 | 1454 | struct ptp_qoriq *ptp = NULL; |
7349a74e YL |
1455 | |
1456 | info->phc_index = -1; | |
66636287 RC |
1457 | |
1458 | if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_TIMER)) { | |
cbfc6071 | 1459 | info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE | |
c7e5c423 | 1460 | SOF_TIMESTAMPING_TX_SOFTWARE | |
cbfc6071 | 1461 | SOF_TIMESTAMPING_SOFTWARE; |
66636287 RC |
1462 | return 0; |
1463 | } | |
7349a74e YL |
1464 | |
1465 | ptp_node = of_find_compatible_node(NULL, NULL, "fsl,etsec-ptp"); | |
1466 | if (ptp_node) { | |
1467 | ptp_dev = of_find_device_by_node(ptp_node); | |
2ac5b58e | 1468 | of_node_put(ptp_node); |
7349a74e YL |
1469 | if (ptp_dev) |
1470 | ptp = platform_get_drvdata(ptp_dev); | |
1471 | } | |
1472 | ||
1473 | if (ptp) | |
1474 | info->phc_index = ptp->phc_index; | |
1475 | ||
cbfc6071 JC |
1476 | info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE | |
1477 | SOF_TIMESTAMPING_RX_HARDWARE | | |
c7e5c423 VO |
1478 | SOF_TIMESTAMPING_RAW_HARDWARE | |
1479 | SOF_TIMESTAMPING_RX_SOFTWARE | | |
1480 | SOF_TIMESTAMPING_TX_SOFTWARE | | |
1481 | SOF_TIMESTAMPING_SOFTWARE; | |
cbfc6071 JC |
1482 | info->tx_types = (1 << HWTSTAMP_TX_OFF) | |
1483 | (1 << HWTSTAMP_TX_ON); | |
1484 | info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) | | |
1485 | (1 << HWTSTAMP_FILTER_ALL); | |
66636287 RC |
1486 | return 0; |
1487 | } | |
1488 | ||
7282d491 | 1489 | const struct ethtool_ops gfar_ethtool_ops = { |
4db08693 JK |
1490 | .supported_coalesce_params = ETHTOOL_COALESCE_USECS | |
1491 | ETHTOOL_COALESCE_MAX_FRAMES, | |
1da177e4 LT |
1492 | .get_drvinfo = gfar_gdrvinfo, |
1493 | .get_regs_len = gfar_reglen, | |
1494 | .get_regs = gfar_get_regs, | |
1495 | .get_link = ethtool_op_get_link, | |
1496 | .get_coalesce = gfar_gcoalesce, | |
1497 | .set_coalesce = gfar_scoalesce, | |
1498 | .get_ringparam = gfar_gringparam, | |
1499 | .set_ringparam = gfar_sringparam, | |
23402bdd CM |
1500 | .get_pauseparam = gfar_gpauseparam, |
1501 | .set_pauseparam = gfar_spauseparam, | |
1da177e4 | 1502 | .get_strings = gfar_gstrings, |
b9f2c044 | 1503 | .get_sset_count = gfar_sset_count, |
1da177e4 | 1504 | .get_ethtool_stats = gfar_fill_stats, |
0bbaf069 KG |
1505 | .get_msglevel = gfar_get_msglevel, |
1506 | .set_msglevel = gfar_set_msglevel, | |
d87eb127 SW |
1507 | #ifdef CONFIG_PM |
1508 | .get_wol = gfar_get_wol, | |
1509 | .set_wol = gfar_set_wol, | |
1510 | #endif | |
7a8b3372 | 1511 | .set_rxnfc = gfar_set_nfc, |
4aa3a715 | 1512 | .get_rxnfc = gfar_get_nfc, |
66636287 | 1513 | .get_ts_info = gfar_get_ts_info, |
cd5f9bb4 PR |
1514 | .get_link_ksettings = phy_ethtool_get_link_ksettings, |
1515 | .set_link_ksettings = phy_ethtool_set_link_ksettings, | |
1da177e4 | 1516 | }; |