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Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6
[deliverable/linux.git] / drivers / net / ucc_geth_ethtool.c
CommitLineData
ac421852
LY		 1/*
2 * Copyright (c) 2007 Freescale Semiconductor, Inc. All rights reserved.
3 *
4 * Description: QE UCC Gigabit Ethernet Ethtool API Set
5 *
6 * Author: Li Yang <leoli@freescale.com>
7 *
7d2e3cb7 8 * Limitation:
ac421852
LY		 9 * Can only get/set setttings of the first queue.
10 * Need to re-open the interface manually after changing some paramters.
11 *
12 * This program is free software; you can redistribute it and/or modify it
13 * under the terms of the GNU General Public License as published by the
14 * Free Software Foundation; either version 2 of the License, or (at your
15 * option) any later version.
16 */
17
18#include <linux/kernel.h>
19#include <linux/init.h>
20#include <linux/errno.h>
21#include <linux/slab.h>
22#include <linux/stddef.h>
23#include <linux/interrupt.h>
24#include <linux/netdevice.h>
25#include <linux/etherdevice.h>
26#include <linux/skbuff.h>
27#include <linux/spinlock.h>
28#include <linux/mm.h>
29#include <linux/delay.h>
30#include <linux/dma-mapping.h>
31#include <linux/fsl_devices.h>
32#include <linux/ethtool.h>
33#include <linux/mii.h>
34#include <linux/phy.h>
35
36#include <asm/io.h>
37#include <asm/irq.h>
38#include <asm/uaccess.h>
39#include <asm/types.h>
ac421852
LY		 40
41#include "ucc_geth.h"
ac421852
LY		 42
43static char hw_stat_gstrings[][ETH_GSTRING_LEN] = {
44 "tx-64-frames",
45 "tx-65-127-frames",
46 "tx-128-255-frames",
47 "rx-64-frames",
48 "rx-65-127-frames",
49 "rx-128-255-frames",
50 "tx-bytes-ok",
51 "tx-pause-frames",
52 "tx-multicast-frames",
53 "tx-broadcast-frames",
54 "rx-frames",
55 "rx-bytes-ok",
56 "rx-bytes-all",
57 "rx-multicast-frames",
58 "rx-broadcast-frames",
59 "stats-counter-carry",
60 "stats-counter-mask",
61 "rx-dropped-frames",
62};
63
64static char tx_fw_stat_gstrings[][ETH_GSTRING_LEN] = {
65 "tx-single-collision",
66 "tx-multiple-collision",
67 "tx-late-collsion",
68 "tx-aborted-frames",
69 "tx-lost-frames",
70 "tx-carrier-sense-errors",
71 "tx-frames-ok",
72 "tx-excessive-differ-frames",
73 "tx-256-511-frames",
08722bc4 74 "tx-512-1023-frames",
ac421852
LY		 75 "tx-1024-1518-frames",
76 "tx-jumbo-frames",
77};
78
79static char rx_fw_stat_gstrings[][ETH_GSTRING_LEN] = {
80 "rx-crc-errors",
81 "rx-alignment-errors",
82 "rx-in-range-length-errors",
83 "rx-out-of-range-length-errors",
84 "rx-too-long-frames",
85 "rx-runt",
86 "rx-very-long-event",
87 "rx-symbol-errors",
88 "rx-busy-drop-frames",
89 "reserved",
90 "reserved",
91 "rx-mismatch-drop-frames",
92 "rx-small-than-64",
93 "rx-256-511-frames",
94 "rx-512-1023-frames",
95 "rx-1024-1518-frames",
96 "rx-jumbo-frames",
97 "rx-mac-error-loss",
98 "rx-pause-frames",
99 "reserved",
100 "rx-vlan-removed",
101 "rx-vlan-replaced",
102 "rx-vlan-inserted",
103 "rx-ip-checksum-errors",
104};
105
106#define UEC_HW_STATS_LEN ARRAY_SIZE(hw_stat_gstrings)
107#define UEC_TX_FW_STATS_LEN ARRAY_SIZE(tx_fw_stat_gstrings)
108#define UEC_RX_FW_STATS_LEN ARRAY_SIZE(rx_fw_stat_gstrings)
109
ac421852
LY		 110static int
111uec_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
112{
113 struct ucc_geth_private *ugeth = netdev_priv(netdev);
114 struct phy_device *phydev = ugeth->phydev;
115 struct ucc_geth_info *ug_info = ugeth->ug_info;
116
117 if (!phydev)
118 return -ENODEV;
119
120 ecmd->maxtxpkt = 1;
121 ecmd->maxrxpkt = ug_info->interruptcoalescingmaxvalue[0];
122
123 return phy_ethtool_gset(phydev, ecmd);
124}
125
126static int
127uec_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
128{
129 struct ucc_geth_private *ugeth = netdev_priv(netdev);
130 struct phy_device *phydev = ugeth->phydev;
131
132 if (!phydev)
133 return -ENODEV;
134
135 return phy_ethtool_sset(phydev, ecmd);
136}
137
138static void
139uec_get_pauseparam(struct net_device *netdev,
140 struct ethtool_pauseparam *pause)
141{
142 struct ucc_geth_private *ugeth = netdev_priv(netdev);
143
144 pause->autoneg = ugeth->phydev->autoneg;
145
146 if (ugeth->ug_info->receiveFlowControl)
147 pause->rx_pause = 1;
148 if (ugeth->ug_info->transmitFlowControl)
149 pause->tx_pause = 1;
150}
151
152static int
153uec_set_pauseparam(struct net_device *netdev,
154 struct ethtool_pauseparam *pause)
155{
156 struct ucc_geth_private *ugeth = netdev_priv(netdev);
157 int ret = 0;
158
159 ugeth->ug_info->receiveFlowControl = pause->rx_pause;
160 ugeth->ug_info->transmitFlowControl = pause->tx_pause;
7d2e3cb7 161
ac421852
LY		 162 if (ugeth->phydev->autoneg) {
163 if (netif_running(netdev)) {
164 /* FIXME: automatically restart */
165 printk(KERN_INFO
166 "Please re-open the interface.\n");
167 }
168 } else {
169 struct ucc_geth_info *ug_info = ugeth->ug_info;
170
171 ret = init_flow_control_params(ug_info->aufc,
172 ug_info->receiveFlowControl,
173 ug_info->transmitFlowControl,
174 ug_info->pausePeriod,
175 ug_info->extensionField,
176 &ugeth->uccf->uf_regs->upsmr,
177 &ugeth->ug_regs->uempr,
178 &ugeth->ug_regs->maccfg1);
179 }
180
181 return ret;
182}
183
184static uint32_t
185uec_get_msglevel(struct net_device *netdev)
186{
187 struct ucc_geth_private *ugeth = netdev_priv(netdev);
188 return ugeth->msg_enable;
189}
190
191static void
192uec_set_msglevel(struct net_device *netdev, uint32_t data)
193{
194 struct ucc_geth_private *ugeth = netdev_priv(netdev);
195 ugeth->msg_enable = data;
196}
197
198static int
199uec_get_regs_len(struct net_device *netdev)
200{
201 return sizeof(struct ucc_geth);
202}
203
204static void
205uec_get_regs(struct net_device *netdev,
206 struct ethtool_regs *regs, void *p)
207{
208 int i;
209 struct ucc_geth_private *ugeth = netdev_priv(netdev);
210 u32 __iomem *ug_regs = (u32 __iomem *)ugeth->ug_regs;
211 u32 *buff = p;
212
213 for (i = 0; i < sizeof(struct ucc_geth) / sizeof(u32); i++)
214 buff[i] = in_be32(&ug_regs[i]);
215}
216
217static void
218uec_get_ringparam(struct net_device *netdev,
219 struct ethtool_ringparam *ring)
220{
221 struct ucc_geth_private *ugeth = netdev_priv(netdev);
222 struct ucc_geth_info *ug_info = ugeth->ug_info;
223 int queue = 0;
224
225 ring->rx_max_pending = UCC_GETH_BD_RING_SIZE_MAX;
226 ring->rx_mini_max_pending = UCC_GETH_BD_RING_SIZE_MAX;
227 ring->rx_jumbo_max_pending = UCC_GETH_BD_RING_SIZE_MAX;
228 ring->tx_max_pending = UCC_GETH_BD_RING_SIZE_MAX;
229
230 ring->rx_pending = ug_info->bdRingLenRx[queue];
231 ring->rx_mini_pending = ug_info->bdRingLenRx[queue];
232 ring->rx_jumbo_pending = ug_info->bdRingLenRx[queue];
233 ring->tx_pending = ug_info->bdRingLenTx[queue];
234}
235
236static int
237uec_set_ringparam(struct net_device *netdev,
238 struct ethtool_ringparam *ring)
239{
240 struct ucc_geth_private *ugeth = netdev_priv(netdev);
241 struct ucc_geth_info *ug_info = ugeth->ug_info;
242 int queue = 0, ret = 0;
243
244 if (ring->rx_pending < UCC_GETH_RX_BD_RING_SIZE_MIN) {
245 printk("%s: RxBD ring size must be no smaller than %d.\n",
246 netdev->name, UCC_GETH_RX_BD_RING_SIZE_MIN);
247 return -EINVAL;
248 }
249 if (ring->rx_pending % UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT) {
250 printk("%s: RxBD ring size must be multiple of %d.\n",
251 netdev->name, UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT);
252 return -EINVAL;
253 }
254 if (ring->tx_pending < UCC_GETH_TX_BD_RING_SIZE_MIN) {
255 printk("%s: TxBD ring size must be no smaller than %d.\n",
256 netdev->name, UCC_GETH_TX_BD_RING_SIZE_MIN);
257 return -EINVAL;
258 }
259
260 ug_info->bdRingLenRx[queue] = ring->rx_pending;
261 ug_info->bdRingLenTx[queue] = ring->tx_pending;
262
263 if (netif_running(netdev)) {
264 /* FIXME: restart automatically */
265 printk(KERN_INFO
266 "Please re-open the interface.\n");
267 }
268
269 return ret;
270}
271
b9f2c044 272static int uec_get_sset_count(struct net_device *netdev, int sset)
ac421852
LY		 273{
274 struct ucc_geth_private *ugeth = netdev_priv(netdev);
275 u32 stats_mode = ugeth->ug_info->statisticsMode;
276 int len = 0;
277
b9f2c044
JG		 278 switch (sset) {
279 case ETH_SS_STATS:
280 if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE)
281 len += UEC_HW_STATS_LEN;
282 if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX)
283 len += UEC_TX_FW_STATS_LEN;
284 if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX)
285 len += UEC_RX_FW_STATS_LEN;
286
287 return len;
ac421852 288
b9f2c044
JG		 289 default:
290 return -EOPNOTSUPP;
291 }
ac421852
LY		 292}
293
294static void uec_get_strings(struct net_device *netdev, u32 stringset, u8 *buf)
295{
296 struct ucc_geth_private *ugeth = netdev_priv(netdev);
297 u32 stats_mode = ugeth->ug_info->statisticsMode;
298
299 if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE) {
300 memcpy(buf, hw_stat_gstrings, UEC_HW_STATS_LEN *
301 ETH_GSTRING_LEN);
302 buf += UEC_HW_STATS_LEN * ETH_GSTRING_LEN;
303 }
304 if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX) {
305 memcpy(buf, tx_fw_stat_gstrings, UEC_TX_FW_STATS_LEN *
306 ETH_GSTRING_LEN);
307 buf += UEC_TX_FW_STATS_LEN * ETH_GSTRING_LEN;
308 }
309 if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX)
25f03dcf 310 memcpy(buf, rx_fw_stat_gstrings, UEC_RX_FW_STATS_LEN *
ac421852
LY		 311 ETH_GSTRING_LEN);
312}
313
314static void uec_get_ethtool_stats(struct net_device *netdev,
315 struct ethtool_stats *stats, uint64_t *data)
316{
317 struct ucc_geth_private *ugeth = netdev_priv(netdev);
318 u32 stats_mode = ugeth->ug_info->statisticsMode;
319 u32 __iomem *base;
320 int i, j = 0;
321
322 if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE) {
323 base = (u32 __iomem *)&ugeth->ug_regs->tx64;
324 for (i = 0; i < UEC_HW_STATS_LEN; i++)
18acfa25 325 data[j++] = in_be32(&base[i]);
ac421852
LY		 326 }
327 if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX) {
328 base = (u32 __iomem *)ugeth->p_tx_fw_statistics_pram;
329 for (i = 0; i < UEC_TX_FW_STATS_LEN; i++)
18acfa25 330 data[j++] = base ? in_be32(&base[i]) : 0;
ac421852
LY		 331 }
332 if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX) {
333 base = (u32 __iomem *)ugeth->p_rx_fw_statistics_pram;
334 for (i = 0; i < UEC_RX_FW_STATS_LEN; i++)
18acfa25 335 data[j++] = base ? in_be32(&base[i]) : 0;
ac421852
LY		 336 }
337}
338
339static int uec_nway_reset(struct net_device *netdev)
340{
341 struct ucc_geth_private *ugeth = netdev_priv(netdev);
342
343 return phy_start_aneg(ugeth->phydev);
344}
345
346/* Report driver information */
347static void
348uec_get_drvinfo(struct net_device *netdev,
349 struct ethtool_drvinfo *drvinfo)
350{
351 strncpy(drvinfo->driver, DRV_NAME, 32);
352 strncpy(drvinfo->version, DRV_VERSION, 32);
353 strncpy(drvinfo->fw_version, "N/A", 32);
354 strncpy(drvinfo->bus_info, "QUICC ENGINE", 32);
ac421852
LY		 355 drvinfo->eedump_len = 0;
356 drvinfo->regdump_len = uec_get_regs_len(netdev);
357}
358
359static const struct ethtool_ops uec_ethtool_ops = {
360 .get_settings = uec_get_settings,
361 .set_settings = uec_set_settings,
362 .get_drvinfo = uec_get_drvinfo,
363 .get_regs_len = uec_get_regs_len,
364 .get_regs = uec_get_regs,
365 .get_msglevel = uec_get_msglevel,
366 .set_msglevel = uec_set_msglevel,
367 .nway_reset = uec_nway_reset,
368 .get_link = ethtool_op_get_link,
369 .get_ringparam = uec_get_ringparam,
370 .set_ringparam = uec_set_ringparam,
371 .get_pauseparam = uec_get_pauseparam,
372 .set_pauseparam = uec_set_pauseparam,
ac421852 373 .set_sg = ethtool_op_set_sg,
b9f2c044 374 .get_sset_count = uec_get_sset_count,
ac421852
LY		 375 .get_strings = uec_get_strings,
376 .get_ethtool_stats = uec_get_ethtool_stats,
ac421852
LY		 377};
378
379void uec_set_ethtool_ops(struct net_device *netdev)
380{
381 SET_ETHTOOL_OPS(netdev, &uec_ethtool_ops);
382}
Linux kernel - Deliverables
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