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drivers/net: return operator cleanup
[net-next-2.6.git] / drivers / net / ixgb / ixgb_ethtool.c
CommitLineData
1da177e4
LT		 1/*******************************************************************************
2
0abb6eb1 3 Intel PRO/10GbE Linux driver
f731a9ef 4 Copyright(c) 1999 - 2008 Intel Corporation.
0abb6eb1
AK		 5
6 This program is free software; you can redistribute it and/or modify it
7 under the terms and conditions of the GNU General Public License,
8 version 2, as published by the Free Software Foundation.
9
10 This program is distributed in the hope it will be useful, but WITHOUT
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
1da177e4 13 more details.
0abb6eb1 14
1da177e4 15 You should have received a copy of the GNU General Public License along with
0abb6eb1
AK		 16 this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
18
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
21
1da177e4
LT		 22 Contact Information:
23 Linux NICS <linux.nics@intel.com>
0abb6eb1 24 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
1da177e4
LT		 25 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
26
27*******************************************************************************/
28
29/* ethtool support for ixgb */
30
31#include "ixgb.h"
32
33#include <asm/uaccess.h>
34
c85fd6f0
AK		 35#define IXGB_ALL_RAR_ENTRIES 16
36
d189a7e8
AK		 37enum {NETDEV_STATS, IXGB_STATS};
38
1da177e4
LT		 39struct ixgb_stats {
40 char stat_string[ETH_GSTRING_LEN];
d189a7e8 41 int type;
1da177e4
LT		 42 int sizeof_stat;
43 int stat_offset;
44};
45
d189a7e8
AK		 46#define IXGB_STAT(m) IXGB_STATS, \
47 FIELD_SIZEOF(struct ixgb_adapter, m), \
48 offsetof(struct ixgb_adapter, m)
49#define IXGB_NETDEV_STAT(m) NETDEV_STATS, \
50 FIELD_SIZEOF(struct net_device, m), \
51 offsetof(struct net_device, m)
52
1da177e4 53static struct ixgb_stats ixgb_gstrings_stats[] = {
0cdc0369
AK		 54 {"rx_packets", IXGB_NETDEV_STAT(stats.rx_packets)},
55 {"tx_packets", IXGB_NETDEV_STAT(stats.tx_packets)},
56 {"rx_bytes", IXGB_NETDEV_STAT(stats.rx_bytes)},
57 {"tx_bytes", IXGB_NETDEV_STAT(stats.tx_bytes)},
58 {"rx_errors", IXGB_NETDEV_STAT(stats.rx_errors)},
59 {"tx_errors", IXGB_NETDEV_STAT(stats.tx_errors)},
60 {"rx_dropped", IXGB_NETDEV_STAT(stats.rx_dropped)},
61 {"tx_dropped", IXGB_NETDEV_STAT(stats.tx_dropped)},
62 {"multicast", IXGB_NETDEV_STAT(stats.multicast)},
63 {"collisions", IXGB_NETDEV_STAT(stats.collisions)},
1da177e4 64
0cdc0369
AK		 65/* { "rx_length_errors", IXGB_NETDEV_STAT(stats.rx_length_errors) }, */
66 {"rx_over_errors", IXGB_NETDEV_STAT(stats.rx_over_errors)},
67 {"rx_crc_errors", IXGB_NETDEV_STAT(stats.rx_crc_errors)},
68 {"rx_frame_errors", IXGB_NETDEV_STAT(stats.rx_frame_errors)},
ac0b3509 69 {"rx_no_buffer_count", IXGB_STAT(stats.rnbc)},
0cdc0369
AK		 70 {"rx_fifo_errors", IXGB_NETDEV_STAT(stats.rx_fifo_errors)},
71 {"rx_missed_errors", IXGB_NETDEV_STAT(stats.rx_missed_errors)},
72 {"tx_aborted_errors", IXGB_NETDEV_STAT(stats.tx_aborted_errors)},
73 {"tx_carrier_errors", IXGB_NETDEV_STAT(stats.tx_carrier_errors)},
74 {"tx_fifo_errors", IXGB_NETDEV_STAT(stats.tx_fifo_errors)},
75 {"tx_heartbeat_errors", IXGB_NETDEV_STAT(stats.tx_heartbeat_errors)},
76 {"tx_window_errors", IXGB_NETDEV_STAT(stats.tx_window_errors)},
1da177e4 77 {"tx_deferred_ok", IXGB_STAT(stats.dc)},
9b8118df 78 {"tx_timeout_count", IXGB_STAT(tx_timeout_count) },
dfd341e4 79 {"tx_restart_queue", IXGB_STAT(restart_queue) },
1da177e4
LT		 80 {"rx_long_length_errors", IXGB_STAT(stats.roc)},
81 {"rx_short_length_errors", IXGB_STAT(stats.ruc)},
1da177e4
LT		 82 {"tx_tcp_seg_good", IXGB_STAT(stats.tsctc)},
83 {"tx_tcp_seg_failed", IXGB_STAT(stats.tsctfc)},
1da177e4
LT		 84 {"rx_flow_control_xon", IXGB_STAT(stats.xonrxc)},
85 {"rx_flow_control_xoff", IXGB_STAT(stats.xoffrxc)},
86 {"tx_flow_control_xon", IXGB_STAT(stats.xontxc)},
87 {"tx_flow_control_xoff", IXGB_STAT(stats.xofftxc)},
88 {"rx_csum_offload_good", IXGB_STAT(hw_csum_rx_good)},
89 {"rx_csum_offload_errors", IXGB_STAT(hw_csum_rx_error)},
90 {"tx_csum_offload_good", IXGB_STAT(hw_csum_tx_good)},
91 {"tx_csum_offload_errors", IXGB_STAT(hw_csum_tx_error)}
92};
93
ff8ac609 94#define IXGB_STATS_LEN ARRAY_SIZE(ixgb_gstrings_stats)
1da177e4
LT		 95
96static int
97ixgb_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
98{
8908c6cd 99 struct ixgb_adapter *adapter = netdev_priv(netdev);
1da177e4
LT		 100
101 ecmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE);
db0bacaa 102 ecmd->advertising = (ADVERTISED_10000baseT_Full | ADVERTISED_FIBRE);
1da177e4
LT		 103 ecmd->port = PORT_FIBRE;
104 ecmd->transceiver = XCVR_EXTERNAL;
105
03f83041 106 if (netif_carrier_ok(adapter->netdev)) {
1da177e4
LT		 107 ecmd->speed = SPEED_10000;
108 ecmd->duplex = DUPLEX_FULL;
109 } else {
110 ecmd->speed = -1;
111 ecmd->duplex = -1;
112 }
113
114 ecmd->autoneg = AUTONEG_DISABLE;
115 return 0;
116}
117
4de17c8c
AK		 118static void ixgb_set_speed_duplex(struct net_device *netdev)
119{
120 struct ixgb_adapter *adapter = netdev_priv(netdev);
121 /* be optimistic about our link, since we were up before */
122 adapter->link_speed = 10000;
123 adapter->link_duplex = FULL_DUPLEX;
124 netif_carrier_on(netdev);
125 netif_wake_queue(netdev);
126}
127
1da177e4
LT		 128static int
129ixgb_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
130{
8908c6cd 131 struct ixgb_adapter *adapter = netdev_priv(netdev);
1da177e4 132
03f83041 133 if (ecmd->autoneg == AUTONEG_ENABLE ||
1da177e4
LT		 134 ecmd->speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL)
135 return -EINVAL;
0060c072 136
03f83041 137 if (netif_running(adapter->netdev)) {
446490ca 138 ixgb_down(adapter, true);
1da177e4
LT		 139 ixgb_reset(adapter);
140 ixgb_up(adapter);
4de17c8c 141 ixgb_set_speed_duplex(netdev);
1da177e4
LT		 142 } else
143 ixgb_reset(adapter);
144
145 return 0;
146}
147
148static void
149ixgb_get_pauseparam(struct net_device *netdev,
150 struct ethtool_pauseparam *pause)
151{
8908c6cd 152 struct ixgb_adapter *adapter = netdev_priv(netdev);
1da177e4 153 struct ixgb_hw *hw = &adapter->hw;
0060c072 154
1da177e4 155 pause->autoneg = AUTONEG_DISABLE;
0060c072 156
03f83041 157 if (hw->fc.type == ixgb_fc_rx_pause)
1da177e4 158 pause->rx_pause = 1;
03f83041 159 else if (hw->fc.type == ixgb_fc_tx_pause)
1da177e4 160 pause->tx_pause = 1;
03f83041 161 else if (hw->fc.type == ixgb_fc_full) {
1da177e4
LT		 162 pause->rx_pause = 1;
163 pause->tx_pause = 1;
164 }
165}
166
167static int
168ixgb_set_pauseparam(struct net_device *netdev,
169 struct ethtool_pauseparam *pause)
170{
8908c6cd 171 struct ixgb_adapter *adapter = netdev_priv(netdev);
1da177e4 172 struct ixgb_hw *hw = &adapter->hw;
0060c072 173
03f83041 174 if (pause->autoneg == AUTONEG_ENABLE)
1da177e4
LT		 175 return -EINVAL;
176
03f83041 177 if (pause->rx_pause && pause->tx_pause)
1da177e4 178 hw->fc.type = ixgb_fc_full;
03f83041 179 else if (pause->rx_pause && !pause->tx_pause)
1da177e4 180 hw->fc.type = ixgb_fc_rx_pause;
03f83041 181 else if (!pause->rx_pause && pause->tx_pause)
1da177e4 182 hw->fc.type = ixgb_fc_tx_pause;
03f83041 183 else if (!pause->rx_pause && !pause->tx_pause)
1da177e4
LT		 184 hw->fc.type = ixgb_fc_none;
185
03f83041 186 if (netif_running(adapter->netdev)) {
446490ca 187 ixgb_down(adapter, true);
1da177e4 188 ixgb_up(adapter);
4de17c8c 189 ixgb_set_speed_duplex(netdev);
1da177e4
LT		 190 } else
191 ixgb_reset(adapter);
0060c072 192
1da177e4
LT		 193 return 0;
194}
195
222441a6 196static u32
1da177e4
LT		 197ixgb_get_rx_csum(struct net_device *netdev)
198{
8908c6cd
MC		 199 struct ixgb_adapter *adapter = netdev_priv(netdev);
200
1da177e4
LT		 201 return adapter->rx_csum;
202}
203
204static int
222441a6 205ixgb_set_rx_csum(struct net_device *netdev, u32 data)
1da177e4 206{
8908c6cd
MC		 207 struct ixgb_adapter *adapter = netdev_priv(netdev);
208
1da177e4
LT		 209 adapter->rx_csum = data;
210
03f83041 211 if (netif_running(netdev)) {
446490ca 212 ixgb_down(adapter, true);
1da177e4 213 ixgb_up(adapter);
4de17c8c 214 ixgb_set_speed_duplex(netdev);
1da177e4
LT		 215 } else
216 ixgb_reset(adapter);
217 return 0;
218}
0060c072 219
222441a6 220static u32
1da177e4
LT		 221ixgb_get_tx_csum(struct net_device *netdev)
222{
223 return (netdev->features & NETIF_F_HW_CSUM) != 0;
224}
225
226static int
222441a6 227ixgb_set_tx_csum(struct net_device *netdev, u32 data)
1da177e4
LT		 228{
229 if (data)
230 netdev->features |= NETIF_F_HW_CSUM;
231 else
232 netdev->features &= ~NETIF_F_HW_CSUM;
233
234 return 0;
235}
236
1da177e4 237static int
222441a6 238ixgb_set_tso(struct net_device *netdev, u32 data)
1da177e4 239{
03f83041 240 if (data)
1da177e4
LT		 241 netdev->features |= NETIF_F_TSO;
242 else
243 netdev->features &= ~NETIF_F_TSO;
244 return 0;
0060c072 245}
1da177e4 246
222441a6 247static u32
ec9c3f5d
AK		 248ixgb_get_msglevel(struct net_device *netdev)
249{
25943071 250 struct ixgb_adapter *adapter = netdev_priv(netdev);
ec9c3f5d
AK		 251 return adapter->msg_enable;
252}
253
254static void
222441a6 255ixgb_set_msglevel(struct net_device *netdev, u32 data)
ec9c3f5d 256{
25943071 257 struct ixgb_adapter *adapter = netdev_priv(netdev);
ec9c3f5d
AK		 258 adapter->msg_enable = data;
259}
1da177e4
LT		 260#define IXGB_GET_STAT(_A_, _R_) _A_->stats._R_
261
0060c072 262static int
1da177e4
LT		 263ixgb_get_regs_len(struct net_device *netdev)
264{
222441a6 265#define IXGB_REG_DUMP_LEN 136*sizeof(u32)
1da177e4
LT		 266 return IXGB_REG_DUMP_LEN;
267}
268
269static void
270ixgb_get_regs(struct net_device *netdev,
271 struct ethtool_regs *regs, void *p)
272{
8908c6cd 273 struct ixgb_adapter *adapter = netdev_priv(netdev);
1da177e4 274 struct ixgb_hw *hw = &adapter->hw;
222441a6
JP		 275 u32 *reg = p;
276 u32 *reg_start = reg;
277 u8 i;
1da177e4 278
5e3c30de 279 /* the 1 (one) below indicates an attempt at versioning, if the
ab707da7
MC		 280 * interface in ethtool or the driver changes, this 1 should be
281 * incremented */
5e3c30de 282 regs->version = (1<<24) | hw->revision_id << 16 | hw->device_id;
1da177e4
LT		 283
284 /* General Registers */
285 *reg++ = IXGB_READ_REG(hw, CTRL0); /* 0 */
286 *reg++ = IXGB_READ_REG(hw, CTRL1); /* 1 */
287 *reg++ = IXGB_READ_REG(hw, STATUS); /* 2 */
288 *reg++ = IXGB_READ_REG(hw, EECD); /* 3 */
289 *reg++ = IXGB_READ_REG(hw, MFS); /* 4 */
290
291 /* Interrupt */
292 *reg++ = IXGB_READ_REG(hw, ICR); /* 5 */
293 *reg++ = IXGB_READ_REG(hw, ICS); /* 6 */
294 *reg++ = IXGB_READ_REG(hw, IMS); /* 7 */
295 *reg++ = IXGB_READ_REG(hw, IMC); /* 8 */
296
297 /* Receive */
298 *reg++ = IXGB_READ_REG(hw, RCTL); /* 9 */
299 *reg++ = IXGB_READ_REG(hw, FCRTL); /* 10 */
300 *reg++ = IXGB_READ_REG(hw, FCRTH); /* 11 */
301 *reg++ = IXGB_READ_REG(hw, RDBAL); /* 12 */
302 *reg++ = IXGB_READ_REG(hw, RDBAH); /* 13 */
303 *reg++ = IXGB_READ_REG(hw, RDLEN); /* 14 */
304 *reg++ = IXGB_READ_REG(hw, RDH); /* 15 */
305 *reg++ = IXGB_READ_REG(hw, RDT); /* 16 */
306 *reg++ = IXGB_READ_REG(hw, RDTR); /* 17 */
307 *reg++ = IXGB_READ_REG(hw, RXDCTL); /* 18 */
308 *reg++ = IXGB_READ_REG(hw, RAIDC); /* 19 */
309 *reg++ = IXGB_READ_REG(hw, RXCSUM); /* 20 */
310
9ef2eec3 311 /* there are 16 RAR entries in hardware, we only use 3 */
1459336d 312 for (i = 0; i < IXGB_ALL_RAR_ENTRIES; i++) {
1da177e4
LT		 313 *reg++ = IXGB_READ_REG_ARRAY(hw, RAL, (i << 1)); /*21,...,51 */
314 *reg++ = IXGB_READ_REG_ARRAY(hw, RAH, (i << 1)); /*22,...,52 */
315 }
316
317 /* Transmit */
318 *reg++ = IXGB_READ_REG(hw, TCTL); /* 53 */
319 *reg++ = IXGB_READ_REG(hw, TDBAL); /* 54 */
320 *reg++ = IXGB_READ_REG(hw, TDBAH); /* 55 */
321 *reg++ = IXGB_READ_REG(hw, TDLEN); /* 56 */
322 *reg++ = IXGB_READ_REG(hw, TDH); /* 57 */
323 *reg++ = IXGB_READ_REG(hw, TDT); /* 58 */
324 *reg++ = IXGB_READ_REG(hw, TIDV); /* 59 */
325 *reg++ = IXGB_READ_REG(hw, TXDCTL); /* 60 */
326 *reg++ = IXGB_READ_REG(hw, TSPMT); /* 61 */
327 *reg++ = IXGB_READ_REG(hw, PAP); /* 62 */
328
329 /* Physical */
330 *reg++ = IXGB_READ_REG(hw, PCSC1); /* 63 */
331 *reg++ = IXGB_READ_REG(hw, PCSC2); /* 64 */
332 *reg++ = IXGB_READ_REG(hw, PCSS1); /* 65 */
333 *reg++ = IXGB_READ_REG(hw, PCSS2); /* 66 */
334 *reg++ = IXGB_READ_REG(hw, XPCSS); /* 67 */
335 *reg++ = IXGB_READ_REG(hw, UCCR); /* 68 */
336 *reg++ = IXGB_READ_REG(hw, XPCSTC); /* 69 */
337 *reg++ = IXGB_READ_REG(hw, MACA); /* 70 */
338 *reg++ = IXGB_READ_REG(hw, APAE); /* 71 */
339 *reg++ = IXGB_READ_REG(hw, ARD); /* 72 */
340 *reg++ = IXGB_READ_REG(hw, AIS); /* 73 */
341 *reg++ = IXGB_READ_REG(hw, MSCA); /* 74 */
342 *reg++ = IXGB_READ_REG(hw, MSRWD); /* 75 */
343
344 /* Statistics */
345 *reg++ = IXGB_GET_STAT(adapter, tprl); /* 76 */
346 *reg++ = IXGB_GET_STAT(adapter, tprh); /* 77 */
347 *reg++ = IXGB_GET_STAT(adapter, gprcl); /* 78 */
348 *reg++ = IXGB_GET_STAT(adapter, gprch); /* 79 */
349 *reg++ = IXGB_GET_STAT(adapter, bprcl); /* 80 */
350 *reg++ = IXGB_GET_STAT(adapter, bprch); /* 81 */
351 *reg++ = IXGB_GET_STAT(adapter, mprcl); /* 82 */
352 *reg++ = IXGB_GET_STAT(adapter, mprch); /* 83 */
353 *reg++ = IXGB_GET_STAT(adapter, uprcl); /* 84 */
354 *reg++ = IXGB_GET_STAT(adapter, uprch); /* 85 */
355 *reg++ = IXGB_GET_STAT(adapter, vprcl); /* 86 */
356 *reg++ = IXGB_GET_STAT(adapter, vprch); /* 87 */
357 *reg++ = IXGB_GET_STAT(adapter, jprcl); /* 88 */
358 *reg++ = IXGB_GET_STAT(adapter, jprch); /* 89 */
359 *reg++ = IXGB_GET_STAT(adapter, gorcl); /* 90 */
360 *reg++ = IXGB_GET_STAT(adapter, gorch); /* 91 */
361 *reg++ = IXGB_GET_STAT(adapter, torl); /* 92 */
362 *reg++ = IXGB_GET_STAT(adapter, torh); /* 93 */
363 *reg++ = IXGB_GET_STAT(adapter, rnbc); /* 94 */
364 *reg++ = IXGB_GET_STAT(adapter, ruc); /* 95 */
365 *reg++ = IXGB_GET_STAT(adapter, roc); /* 96 */
366 *reg++ = IXGB_GET_STAT(adapter, rlec); /* 97 */
367 *reg++ = IXGB_GET_STAT(adapter, crcerrs); /* 98 */
368 *reg++ = IXGB_GET_STAT(adapter, icbc); /* 99 */
369 *reg++ = IXGB_GET_STAT(adapter, ecbc); /* 100 */
370 *reg++ = IXGB_GET_STAT(adapter, mpc); /* 101 */
371 *reg++ = IXGB_GET_STAT(adapter, tptl); /* 102 */
372 *reg++ = IXGB_GET_STAT(adapter, tpth); /* 103 */
373 *reg++ = IXGB_GET_STAT(adapter, gptcl); /* 104 */
374 *reg++ = IXGB_GET_STAT(adapter, gptch); /* 105 */
375 *reg++ = IXGB_GET_STAT(adapter, bptcl); /* 106 */
376 *reg++ = IXGB_GET_STAT(adapter, bptch); /* 107 */
377 *reg++ = IXGB_GET_STAT(adapter, mptcl); /* 108 */
378 *reg++ = IXGB_GET_STAT(adapter, mptch); /* 109 */
379 *reg++ = IXGB_GET_STAT(adapter, uptcl); /* 110 */
380 *reg++ = IXGB_GET_STAT(adapter, uptch); /* 111 */
381 *reg++ = IXGB_GET_STAT(adapter, vptcl); /* 112 */
382 *reg++ = IXGB_GET_STAT(adapter, vptch); /* 113 */
383 *reg++ = IXGB_GET_STAT(adapter, jptcl); /* 114 */
384 *reg++ = IXGB_GET_STAT(adapter, jptch); /* 115 */
385 *reg++ = IXGB_GET_STAT(adapter, gotcl); /* 116 */
386 *reg++ = IXGB_GET_STAT(adapter, gotch); /* 117 */
387 *reg++ = IXGB_GET_STAT(adapter, totl); /* 118 */
388 *reg++ = IXGB_GET_STAT(adapter, toth); /* 119 */
389 *reg++ = IXGB_GET_STAT(adapter, dc); /* 120 */
390 *reg++ = IXGB_GET_STAT(adapter, plt64c); /* 121 */
391 *reg++ = IXGB_GET_STAT(adapter, tsctc); /* 122 */
392 *reg++ = IXGB_GET_STAT(adapter, tsctfc); /* 123 */
393 *reg++ = IXGB_GET_STAT(adapter, ibic); /* 124 */
394 *reg++ = IXGB_GET_STAT(adapter, rfc); /* 125 */
395 *reg++ = IXGB_GET_STAT(adapter, lfc); /* 126 */
396 *reg++ = IXGB_GET_STAT(adapter, pfrc); /* 127 */
397 *reg++ = IXGB_GET_STAT(adapter, pftc); /* 128 */
398 *reg++ = IXGB_GET_STAT(adapter, mcfrc); /* 129 */
399 *reg++ = IXGB_GET_STAT(adapter, mcftc); /* 130 */
400 *reg++ = IXGB_GET_STAT(adapter, xonrxc); /* 131 */
401 *reg++ = IXGB_GET_STAT(adapter, xontxc); /* 132 */
402 *reg++ = IXGB_GET_STAT(adapter, xoffrxc); /* 133 */
403 *reg++ = IXGB_GET_STAT(adapter, xofftxc); /* 134 */
404 *reg++ = IXGB_GET_STAT(adapter, rjc); /* 135 */
405
222441a6 406 regs->len = (reg - reg_start) * sizeof(u32);
1da177e4
LT		 407}
408
409static int
410ixgb_get_eeprom_len(struct net_device *netdev)
411{
412 /* return size in bytes */
807540ba 413 return IXGB_EEPROM_SIZE << 1;
1da177e4
LT		 414}
415
416static int
417ixgb_get_eeprom(struct net_device *netdev,
222441a6 418 struct ethtool_eeprom *eeprom, u8 *bytes)
1da177e4 419{
8908c6cd 420 struct ixgb_adapter *adapter = netdev_priv(netdev);
1da177e4 421 struct ixgb_hw *hw = &adapter->hw;
c676504e 422 __le16 *eeprom_buff;
1da177e4
LT		 423 int i, max_len, first_word, last_word;
424 int ret_val = 0;
425
03f83041 426 if (eeprom->len == 0) {
1da177e4
LT		 427 ret_val = -EINVAL;
428 goto geeprom_error;
429 }
430
431 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
432
433 max_len = ixgb_get_eeprom_len(netdev);
434
03f83041 435 if (eeprom->offset > eeprom->offset + eeprom->len) {
1da177e4
LT		 436 ret_val = -EINVAL;
437 goto geeprom_error;
438 }
439
03f83041 440 if ((eeprom->offset + eeprom->len) > max_len)
1da177e4
LT		 441 eeprom->len = (max_len - eeprom->offset);
442
443 first_word = eeprom->offset >> 1;
444 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
445
c676504e 446 eeprom_buff = kmalloc(sizeof(__le16) *
1da177e4 447 (last_word - first_word + 1), GFP_KERNEL);
03f83041 448 if (!eeprom_buff)
1da177e4
LT		 449 return -ENOMEM;
450
451 /* note the eeprom was good because the driver loaded */
1459336d 452 for (i = 0; i <= (last_word - first_word); i++)
1da177e4 453 eeprom_buff[i] = ixgb_get_eeprom_word(hw, (first_word + i));
1da177e4 454
1459336d 455 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
1da177e4
LT		 456 kfree(eeprom_buff);
457
458geeprom_error:
459 return ret_val;
460}
461
462static int
463ixgb_set_eeprom(struct net_device *netdev,
222441a6 464 struct ethtool_eeprom *eeprom, u8 *bytes)
1da177e4 465{
8908c6cd 466 struct ixgb_adapter *adapter = netdev_priv(netdev);
1da177e4 467 struct ixgb_hw *hw = &adapter->hw;
222441a6 468 u16 *eeprom_buff;
1da177e4
LT		 469 void *ptr;
470 int max_len, first_word, last_word;
222441a6 471 u16 i;
1da177e4 472
03f83041 473 if (eeprom->len == 0)
1da177e4
LT		 474 return -EINVAL;
475
03f83041 476 if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
1da177e4
LT		 477 return -EFAULT;
478
479 max_len = ixgb_get_eeprom_len(netdev);
480
03f83041 481 if (eeprom->offset > eeprom->offset + eeprom->len)
1da177e4
LT		 482 return -EINVAL;
483
03f83041 484 if ((eeprom->offset + eeprom->len) > max_len)
1da177e4
LT		 485 eeprom->len = (max_len - eeprom->offset);
486
487 first_word = eeprom->offset >> 1;
488 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
489 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
03f83041 490 if (!eeprom_buff)
1da177e4
LT		 491 return -ENOMEM;
492
493 ptr = (void *)eeprom_buff;
494
03f83041 495 if (eeprom->offset & 1) {
1da177e4
LT		 496 /* need read/modify/write of first changed EEPROM word */
497 /* only the second byte of the word is being modified */
498 eeprom_buff[0] = ixgb_read_eeprom(hw, first_word);
499 ptr++;
500 }
03f83041 501 if ((eeprom->offset + eeprom->len) & 1) {
1da177e4
LT		 502 /* need read/modify/write of last changed EEPROM word */
503 /* only the first byte of the word is being modified */
0060c072 504 eeprom_buff[last_word - first_word]
1da177e4
LT		 505 = ixgb_read_eeprom(hw, last_word);
506 }
507
508 memcpy(ptr, bytes, eeprom->len);
1459336d 509 for (i = 0; i <= (last_word - first_word); i++)
1da177e4
LT		 510 ixgb_write_eeprom(hw, first_word + i, eeprom_buff[i]);
511
512 /* Update the checksum over the first part of the EEPROM if needed */
03f83041 513 if (first_word <= EEPROM_CHECKSUM_REG)
1da177e4
LT		 514 ixgb_update_eeprom_checksum(hw);
515
516 kfree(eeprom_buff);
517 return 0;
518}
519
520static void
521ixgb_get_drvinfo(struct net_device *netdev,
522 struct ethtool_drvinfo *drvinfo)
523{
8908c6cd 524 struct ixgb_adapter *adapter = netdev_priv(netdev);
1da177e4
LT		 525
526 strncpy(drvinfo->driver, ixgb_driver_name, 32);
527 strncpy(drvinfo->version, ixgb_driver_version, 32);
528 strncpy(drvinfo->fw_version, "N/A", 32);
529 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
530 drvinfo->n_stats = IXGB_STATS_LEN;
531 drvinfo->regdump_len = ixgb_get_regs_len(netdev);
532 drvinfo->eedump_len = ixgb_get_eeprom_len(netdev);
533}
534
535static void
536ixgb_get_ringparam(struct net_device *netdev,
537 struct ethtool_ringparam *ring)
538{
8908c6cd 539 struct ixgb_adapter *adapter = netdev_priv(netdev);
1da177e4
LT		 540 struct ixgb_desc_ring *txdr = &adapter->tx_ring;
541 struct ixgb_desc_ring *rxdr = &adapter->rx_ring;
542
0060c072 543 ring->rx_max_pending = MAX_RXD;
1da177e4
LT		 544 ring->tx_max_pending = MAX_TXD;
545 ring->rx_mini_max_pending = 0;
546 ring->rx_jumbo_max_pending = 0;
547 ring->rx_pending = rxdr->count;
548 ring->tx_pending = txdr->count;
549 ring->rx_mini_pending = 0;
550 ring->rx_jumbo_pending = 0;
551}
552
0060c072 553static int
1da177e4
LT		 554ixgb_set_ringparam(struct net_device *netdev,
555 struct ethtool_ringparam *ring)
556{
8908c6cd 557 struct ixgb_adapter *adapter = netdev_priv(netdev);
1da177e4
LT		 558 struct ixgb_desc_ring *txdr = &adapter->tx_ring;
559 struct ixgb_desc_ring *rxdr = &adapter->rx_ring;
560 struct ixgb_desc_ring tx_old, tx_new, rx_old, rx_new;
561 int err;
562
563 tx_old = adapter->tx_ring;
564 rx_old = adapter->rx_ring;
565
03f83041 566 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
1da177e4
LT		 567 return -EINVAL;
568
03f83041 569 if (netif_running(adapter->netdev))
446490ca 570 ixgb_down(adapter, true);
1da177e4 571
222441a6
JP		 572 rxdr->count = max(ring->rx_pending,(u32)MIN_RXD);
573 rxdr->count = min(rxdr->count,(u32)MAX_RXD);
55e924cf 574 rxdr->count = ALIGN(rxdr->count, IXGB_REQ_RX_DESCRIPTOR_MULTIPLE);
1da177e4 575
222441a6
JP		 576 txdr->count = max(ring->tx_pending,(u32)MIN_TXD);
577 txdr->count = min(txdr->count,(u32)MAX_TXD);
55e924cf 578 txdr->count = ALIGN(txdr->count, IXGB_REQ_TX_DESCRIPTOR_MULTIPLE);
1da177e4 579
03f83041 580 if (netif_running(adapter->netdev)) {
1da177e4 581 /* Try to get new resources before deleting old */
03f83041 582 if ((err = ixgb_setup_rx_resources(adapter)))
1da177e4 583 goto err_setup_rx;
03f83041 584 if ((err = ixgb_setup_tx_resources(adapter)))
1da177e4
LT		 585 goto err_setup_tx;
586
587 /* save the new, restore the old in order to free it,
588 * then restore the new back again */
589
590 rx_new = adapter->rx_ring;
591 tx_new = adapter->tx_ring;
592 adapter->rx_ring = rx_old;
593 adapter->tx_ring = tx_old;
594 ixgb_free_rx_resources(adapter);
595 ixgb_free_tx_resources(adapter);
596 adapter->rx_ring = rx_new;
597 adapter->tx_ring = tx_new;
03f83041 598 if ((err = ixgb_up(adapter)))
1da177e4 599 return err;
4de17c8c 600 ixgb_set_speed_duplex(netdev);
1da177e4
LT		 601 }
602
603 return 0;
604err_setup_tx:
605 ixgb_free_rx_resources(adapter);
606err_setup_rx:
607 adapter->rx_ring = rx_old;
608 adapter->tx_ring = tx_old;
609 ixgb_up(adapter);
610 return err;
611}
612
613/* toggle LED 4 times per second = 2 "blinks" per second */
614#define IXGB_ID_INTERVAL (HZ/4)
615
616/* bit defines for adapter->led_status */
617#define IXGB_LED_ON 0
618
619static void
620ixgb_led_blink_callback(unsigned long data)
621{
622 struct ixgb_adapter *adapter = (struct ixgb_adapter *)data;
623
03f83041 624 if (test_and_change_bit(IXGB_LED_ON, &adapter->led_status))
1da177e4
LT		 625 ixgb_led_off(&adapter->hw);
626 else
627 ixgb_led_on(&adapter->hw);
628
629 mod_timer(&adapter->blink_timer, jiffies + IXGB_ID_INTERVAL);
630}
631
632static int
222441a6 633ixgb_phys_id(struct net_device *netdev, u32 data)
1da177e4 634{
8908c6cd 635 struct ixgb_adapter *adapter = netdev_priv(netdev);
1da177e4 636
273dc74e
SH		 637 if (!data)
638 data = INT_MAX;
1da177e4 639
03f83041 640 if (!adapter->blink_timer.function) {
1da177e4
LT		 641 init_timer(&adapter->blink_timer);
642 adapter->blink_timer.function = ixgb_led_blink_callback;
643 adapter->blink_timer.data = (unsigned long)adapter;
644 }
645
646 mod_timer(&adapter->blink_timer, jiffies);
647
a91bb6a8 648 msleep_interruptible(data * 1000);
1da177e4
LT		 649 del_timer_sync(&adapter->blink_timer);
650 ixgb_led_off(&adapter->hw);
651 clear_bit(IXGB_LED_ON, &adapter->led_status);
652
653 return 0;
654}
655
0060c072 656static int
b9f2c044 657ixgb_get_sset_count(struct net_device *netdev, int sset)
1da177e4 658{
b9f2c044
JG		 659 switch (sset) {
660 case ETH_SS_STATS:
661 return IXGB_STATS_LEN;
662 default:
663 return -EOPNOTSUPP;
664 }
1da177e4
LT		 665}
666
0060c072
JB		 667static void
668ixgb_get_ethtool_stats(struct net_device *netdev,
222441a6 669 struct ethtool_stats *stats, u64 *data)
1da177e4 670{
8908c6cd 671 struct ixgb_adapter *adapter = netdev_priv(netdev);
1da177e4 672 int i;
d189a7e8 673 char *p = NULL;
1da177e4
LT		 674
675 ixgb_update_stats(adapter);
1459336d 676 for (i = 0; i < IXGB_STATS_LEN; i++) {
d189a7e8
AK		 677 switch (ixgb_gstrings_stats[i].type) {
678 case NETDEV_STATS:
679 p = (char *) netdev +
680 ixgb_gstrings_stats[i].stat_offset;
681 break;
682 case IXGB_STATS:
683 p = (char *) adapter +
684 ixgb_gstrings_stats[i].stat_offset;
685 break;
686 }
687
0060c072 688 data[i] = (ixgb_gstrings_stats[i].sizeof_stat ==
222441a6 689 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1da177e4
LT		 690 }
691}
692
0060c072 693static void
222441a6 694ixgb_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
1da177e4
LT		 695{
696 int i;
697
698 switch(stringset) {
699 case ETH_SS_STATS:
1459336d 700 for (i = 0; i < IXGB_STATS_LEN; i++) {
0060c072 701 memcpy(data + i * ETH_GSTRING_LEN,
1da177e4
LT		 702 ixgb_gstrings_stats[i].stat_string,
703 ETH_GSTRING_LEN);
704 }
705 break;
706 }
707}
708
7282d491 709static const struct ethtool_ops ixgb_ethtool_ops = {
1da177e4
LT		 710 .get_settings = ixgb_get_settings,
711 .set_settings = ixgb_set_settings,
712 .get_drvinfo = ixgb_get_drvinfo,
713 .get_regs_len = ixgb_get_regs_len,
714 .get_regs = ixgb_get_regs,
715 .get_link = ethtool_op_get_link,
716 .get_eeprom_len = ixgb_get_eeprom_len,
717 .get_eeprom = ixgb_get_eeprom,
718 .set_eeprom = ixgb_set_eeprom,
719 .get_ringparam = ixgb_get_ringparam,
720 .set_ringparam = ixgb_set_ringparam,
721 .get_pauseparam = ixgb_get_pauseparam,
722 .set_pauseparam = ixgb_set_pauseparam,
723 .get_rx_csum = ixgb_get_rx_csum,
724 .set_rx_csum = ixgb_set_rx_csum,
725 .get_tx_csum = ixgb_get_tx_csum,
726 .set_tx_csum = ixgb_set_tx_csum,
1da177e4 727 .set_sg = ethtool_op_set_sg,
ec9c3f5d
AK		 728 .get_msglevel = ixgb_get_msglevel,
729 .set_msglevel = ixgb_set_msglevel,
1da177e4 730 .set_tso = ixgb_set_tso,
1da177e4
LT		 731 .get_strings = ixgb_get_strings,
732 .phys_id = ixgb_phys_id,
b9f2c044 733 .get_sset_count = ixgb_get_sset_count,
1da177e4
LT		 734 .get_ethtool_stats = ixgb_get_ethtool_stats,
735};
736
737void ixgb_set_ethtool_ops(struct net_device *netdev)
738{
739 SET_ETHTOOL_OPS(netdev, &ixgb_ethtool_ops);
740}
Clone of davem's net-next-2.6 tree