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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*******************************************************************************
Krzysztof Majzerowicz-Jaszcz887a79f2014-08-27 07:10:58 +00002 * Intel PRO/1000 Linux driver
3 * Copyright(c) 1999 - 2006 Intel Corporation.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms and conditions of the GNU General Public License,
7 * version 2, as published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 * The full GNU General Public License is included in this distribution in
15 * the file called "COPYING".
16 *
17 * Contact Information:
18 * Linux NICS <linux.nics@intel.com>
19 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
20 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
21 *
22 ******************************************************************************/
Linus Torvalds1da177e2005-04-16 15:20:36 -070023
24/* ethtool support for e1000 */
25
26#include "e1000.h"
Asaf Vertzd5c7d7f2015-01-08 06:01:00 +000027#include <linux/jiffies.h>
Krzysztof Majzerowicz-Jaszcz887a79f2014-08-27 07:10:58 +000028#include <linux/uaccess.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070029
Ajit Khaparde8328c382009-10-13 01:45:48 +000030enum {NETDEV_STATS, E1000_STATS};
31
Linus Torvalds1da177e2005-04-16 15:20:36 -070032struct e1000_stats {
33 char stat_string[ETH_GSTRING_LEN];
Ajit Khaparde8328c382009-10-13 01:45:48 +000034 int type;
Linus Torvalds1da177e2005-04-16 15:20:36 -070035 int sizeof_stat;
36 int stat_offset;
37};
38
Ajit Khaparde8328c382009-10-13 01:45:48 +000039#define E1000_STAT(m) E1000_STATS, \
40 sizeof(((struct e1000_adapter *)0)->m), \
Krzysztof Majzerowicz-Jaszcz887a79f2014-08-27 07:10:58 +000041 offsetof(struct e1000_adapter, m)
Ajit Khaparde8328c382009-10-13 01:45:48 +000042#define E1000_NETDEV_STAT(m) NETDEV_STATS, \
43 sizeof(((struct net_device *)0)->m), \
44 offsetof(struct net_device, m)
45
Linus Torvalds1da177e2005-04-16 15:20:36 -070046static const struct e1000_stats e1000_gstrings_stats[] = {
Mitch Williams49559852006-09-27 12:53:37 -070047 { "rx_packets", E1000_STAT(stats.gprc) },
48 { "tx_packets", E1000_STAT(stats.gptc) },
49 { "rx_bytes", E1000_STAT(stats.gorcl) },
50 { "tx_bytes", E1000_STAT(stats.gotcl) },
51 { "rx_broadcast", E1000_STAT(stats.bprc) },
52 { "tx_broadcast", E1000_STAT(stats.bptc) },
53 { "rx_multicast", E1000_STAT(stats.mprc) },
54 { "tx_multicast", E1000_STAT(stats.mptc) },
55 { "rx_errors", E1000_STAT(stats.rxerrc) },
56 { "tx_errors", E1000_STAT(stats.txerrc) },
Ajit Khaparde5fe31de2009-10-07 02:42:23 +000057 { "tx_dropped", E1000_NETDEV_STAT(stats.tx_dropped) },
Mitch Williams49559852006-09-27 12:53:37 -070058 { "multicast", E1000_STAT(stats.mprc) },
59 { "collisions", E1000_STAT(stats.colc) },
60 { "rx_length_errors", E1000_STAT(stats.rlerrc) },
Ajit Khaparde5fe31de2009-10-07 02:42:23 +000061 { "rx_over_errors", E1000_NETDEV_STAT(stats.rx_over_errors) },
Mitch Williams49559852006-09-27 12:53:37 -070062 { "rx_crc_errors", E1000_STAT(stats.crcerrs) },
Ajit Khaparde5fe31de2009-10-07 02:42:23 +000063 { "rx_frame_errors", E1000_NETDEV_STAT(stats.rx_frame_errors) },
Malli Chilakala26483452005-04-28 19:44:46 -070064 { "rx_no_buffer_count", E1000_STAT(stats.rnbc) },
Mitch Williams49559852006-09-27 12:53:37 -070065 { "rx_missed_errors", E1000_STAT(stats.mpc) },
66 { "tx_aborted_errors", E1000_STAT(stats.ecol) },
67 { "tx_carrier_errors", E1000_STAT(stats.tncrs) },
Ajit Khaparde5fe31de2009-10-07 02:42:23 +000068 { "tx_fifo_errors", E1000_NETDEV_STAT(stats.tx_fifo_errors) },
69 { "tx_heartbeat_errors", E1000_NETDEV_STAT(stats.tx_heartbeat_errors) },
Mitch Williams49559852006-09-27 12:53:37 -070070 { "tx_window_errors", E1000_STAT(stats.latecol) },
Linus Torvalds1da177e2005-04-16 15:20:36 -070071 { "tx_abort_late_coll", E1000_STAT(stats.latecol) },
72 { "tx_deferred_ok", E1000_STAT(stats.dc) },
73 { "tx_single_coll_ok", E1000_STAT(stats.scc) },
74 { "tx_multi_coll_ok", E1000_STAT(stats.mcc) },
Jeff Kirsher6b7660c2006-01-12 16:50:35 -080075 { "tx_timeout_count", E1000_STAT(tx_timeout_count) },
Jesse Brandeburgfcfb1222006-11-01 08:47:59 -080076 { "tx_restart_queue", E1000_STAT(restart_queue) },
Linus Torvalds1da177e2005-04-16 15:20:36 -070077 { "rx_long_length_errors", E1000_STAT(stats.roc) },
78 { "rx_short_length_errors", E1000_STAT(stats.ruc) },
79 { "rx_align_errors", E1000_STAT(stats.algnerrc) },
80 { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) },
81 { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) },
82 { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) },
83 { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) },
84 { "tx_flow_control_xon", E1000_STAT(stats.xontxc) },
85 { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) },
86 { "rx_long_byte_count", E1000_STAT(stats.gorcl) },
87 { "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
Mallikarjuna R Chilakalae4c811c2005-10-04 07:05:44 -040088 { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },
Jeff Kirsher6b7660c2006-01-12 16:50:35 -080089 { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) },
Jeff Garzik15e376b2006-12-15 11:16:33 -050090 { "tx_smbus", E1000_STAT(stats.mgptc) },
91 { "rx_smbus", E1000_STAT(stats.mgprc) },
92 { "dropped_smbus", E1000_STAT(stats.mgpdc) },
Linus Torvalds1da177e2005-04-16 15:20:36 -070093};
Jeff Kirsher7bfa4812006-01-12 16:50:41 -080094
Jeff Kirsher7bfa4812006-01-12 16:50:41 -080095#define E1000_QUEUE_STATS_LEN 0
Denis Chengff8ac602007-09-02 18:30:18 +080096#define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats)
Jeff Kirsher7bfa4812006-01-12 16:50:41 -080097#define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN + E1000_QUEUE_STATS_LEN)
Linus Torvalds1da177e2005-04-16 15:20:36 -070098static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
99 "Register test (offline)", "Eeprom test (offline)",
100 "Interrupt test (offline)", "Loopback test (offline)",
101 "Link test (on/offline)"
102};
Krzysztof Majzerowicz-Jaszcz887a79f2014-08-27 07:10:58 +0000103
Alejandro Martinez Ruiz4c3616c2007-10-18 10:00:15 +0200104#define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700105
Joe Perches64798842008-07-11 15:17:02 -0700106static int e1000_get_settings(struct net_device *netdev,
107 struct ethtool_cmd *ecmd)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700108{
Malli Chilakala60490fe2005-06-17 17:41:45 -0700109 struct e1000_adapter *adapter = netdev_priv(netdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700110 struct e1000_hw *hw = &adapter->hw;
111
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800112 if (hw->media_type == e1000_media_type_copper) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700113 ecmd->supported = (SUPPORTED_10baseT_Half |
Jeff Kirsher6cfbd972013-02-09 12:49:21 +0000114 SUPPORTED_10baseT_Full |
115 SUPPORTED_100baseT_Half |
116 SUPPORTED_100baseT_Full |
117 SUPPORTED_1000baseT_Full|
118 SUPPORTED_Autoneg |
119 SUPPORTED_TP);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700120 ecmd->advertising = ADVERTISED_TP;
121
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800122 if (hw->autoneg == 1) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700123 ecmd->advertising |= ADVERTISED_Autoneg;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700124 /* the e1000 autoneg seems to match ethtool nicely */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700125 ecmd->advertising |= hw->autoneg_advertised;
126 }
127
128 ecmd->port = PORT_TP;
129 ecmd->phy_address = hw->phy_addr;
130
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800131 if (hw->mac_type == e1000_82543)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700132 ecmd->transceiver = XCVR_EXTERNAL;
133 else
134 ecmd->transceiver = XCVR_INTERNAL;
135
136 } else {
137 ecmd->supported = (SUPPORTED_1000baseT_Full |
138 SUPPORTED_FIBRE |
139 SUPPORTED_Autoneg);
140
Malli Chilakala012609a2005-06-17 17:43:06 -0700141 ecmd->advertising = (ADVERTISED_1000baseT_Full |
142 ADVERTISED_FIBRE |
143 ADVERTISED_Autoneg);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700144
145 ecmd->port = PORT_FIBRE;
146
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800147 if (hw->mac_type >= e1000_82545)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700148 ecmd->transceiver = XCVR_INTERNAL;
149 else
150 ecmd->transceiver = XCVR_EXTERNAL;
151 }
152
Joe Perches1dc32912008-07-11 15:17:08 -0700153 if (er32(STATUS) & E1000_STATUS_LU) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700154 e1000_get_speed_and_duplex(hw, &adapter->link_speed,
Krzysztof Majzerowicz-Jaszcz887a79f2014-08-27 07:10:58 +0000155 &adapter->link_duplex);
David Decotigny70739492011-04-27 18:32:40 +0000156 ethtool_cmd_speed_set(ecmd, adapter->link_speed);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700157
Lucas De Marchi25985ed2011-03-30 22:57:33 -0300158 /* unfortunately FULL_DUPLEX != DUPLEX_FULL
Jeff Kirsher6cfbd972013-02-09 12:49:21 +0000159 * and HALF_DUPLEX != DUPLEX_HALF
160 */
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800161 if (adapter->link_duplex == FULL_DUPLEX)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700162 ecmd->duplex = DUPLEX_FULL;
163 else
164 ecmd->duplex = DUPLEX_HALF;
165 } else {
Jiri Pirko537fae02014-06-06 14:17:00 +0200166 ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN);
167 ecmd->duplex = DUPLEX_UNKNOWN;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700168 }
169
170 ecmd->autoneg = ((hw->media_type == e1000_media_type_fiber) ||
171 hw->autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
Jesse Brandeburgc819bbd52012-07-26 02:31:09 +0000172
173 /* MDI-X => 1; MDI => 0 */
174 if ((hw->media_type == e1000_media_type_copper) &&
175 netif_carrier_ok(netdev))
176 ecmd->eth_tp_mdix = (!!adapter->phy_info.mdix_mode ?
Jeff Kirsher6cfbd972013-02-09 12:49:21 +0000177 ETH_TP_MDI_X : ETH_TP_MDI);
Jesse Brandeburgc819bbd52012-07-26 02:31:09 +0000178 else
179 ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID;
180
181 if (hw->mdix == AUTO_ALL_MODES)
182 ecmd->eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
183 else
184 ecmd->eth_tp_mdix_ctrl = hw->mdix;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700185 return 0;
186}
187
Joe Perches64798842008-07-11 15:17:02 -0700188static int e1000_set_settings(struct net_device *netdev,
189 struct ethtool_cmd *ecmd)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700190{
Malli Chilakala60490fe2005-06-17 17:41:45 -0700191 struct e1000_adapter *adapter = netdev_priv(netdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700192 struct e1000_hw *hw = &adapter->hw;
193
Jeff Kirsher6cfbd972013-02-09 12:49:21 +0000194 /* MDI setting is only allowed when autoneg enabled because
Jesse Brandeburgc819bbd52012-07-26 02:31:09 +0000195 * some hardware doesn't allow MDI setting when speed or
196 * duplex is forced.
197 */
198 if (ecmd->eth_tp_mdix_ctrl) {
199 if (hw->media_type != e1000_media_type_copper)
200 return -EOPNOTSUPP;
201
202 if ((ecmd->eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO) &&
203 (ecmd->autoneg != AUTONEG_ENABLE)) {
204 e_err(drv, "forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n");
205 return -EINVAL;
206 }
207 }
208
Jesse Brandeburg1a821ca2006-08-16 13:38:46 -0700209 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
210 msleep(1);
211
Jeff Kirsher57128192006-01-12 16:50:28 -0800212 if (ecmd->autoneg == AUTONEG_ENABLE) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700213 hw->autoneg = 1;
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800214 if (hw->media_type == e1000_media_type_fiber)
Malli Chilakala012609a2005-06-17 17:43:06 -0700215 hw->autoneg_advertised = ADVERTISED_1000baseT_Full |
216 ADVERTISED_FIBRE |
217 ADVERTISED_Autoneg;
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800218 else
Jeff Kirsher2f2ca262006-09-27 12:53:40 -0700219 hw->autoneg_advertised = ecmd->advertising |
Jeff Kirsher6cfbd972013-02-09 12:49:21 +0000220 ADVERTISED_TP |
221 ADVERTISED_Autoneg;
Malli Chilakala012609a2005-06-17 17:43:06 -0700222 ecmd->advertising = hw->autoneg_advertised;
David Decotigny25db0332011-04-27 18:32:39 +0000223 } else {
224 u32 speed = ethtool_cmd_speed(ecmd);
Jesse Brandeburgc819bbd52012-07-26 02:31:09 +0000225 /* calling this overrides forced MDI setting */
David Decotigny14ad2512011-04-27 18:32:43 +0000226 if (e1000_set_spd_dplx(adapter, speed, ecmd->duplex)) {
Jesse Brandeburg1a821ca2006-08-16 13:38:46 -0700227 clear_bit(__E1000_RESETTING, &adapter->flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700228 return -EINVAL;
Jesse Brandeburg1a821ca2006-08-16 13:38:46 -0700229 }
David Decotigny25db0332011-04-27 18:32:39 +0000230 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700231
Jesse Brandeburgc819bbd52012-07-26 02:31:09 +0000232 /* MDI-X => 2; MDI => 1; Auto => 3 */
233 if (ecmd->eth_tp_mdix_ctrl) {
234 if (ecmd->eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO)
235 hw->mdix = AUTO_ALL_MODES;
236 else
237 hw->mdix = ecmd->eth_tp_mdix_ctrl;
238 }
239
Linus Torvalds1da177e2005-04-16 15:20:36 -0700240 /* reset the link */
241
Jesse Brandeburg1a821ca2006-08-16 13:38:46 -0700242 if (netif_running(adapter->netdev)) {
243 e1000_down(adapter);
244 e1000_up(adapter);
Krzysztof Majzerowicz-Jaszcz887a79f2014-08-27 07:10:58 +0000245 } else {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700246 e1000_reset(adapter);
Krzysztof Majzerowicz-Jaszcz887a79f2014-08-27 07:10:58 +0000247 }
Jesse Brandeburg1a821ca2006-08-16 13:38:46 -0700248 clear_bit(__E1000_RESETTING, &adapter->flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700249 return 0;
250}
251
Nick Nunleyb5481922010-02-03 14:49:28 +0000252static u32 e1000_get_link(struct net_device *netdev)
253{
254 struct e1000_adapter *adapter = netdev_priv(netdev);
255
Jeff Kirsher6cfbd972013-02-09 12:49:21 +0000256 /* If the link is not reported up to netdev, interrupts are disabled,
Nick Nunleyb5481922010-02-03 14:49:28 +0000257 * and so the physical link state may have changed since we last
258 * looked. Set get_link_status to make sure that the true link
259 * state is interrogated, rather than pulling a cached and possibly
260 * stale link state from the driver.
261 */
262 if (!netif_carrier_ok(netdev))
263 adapter->hw.get_link_status = 1;
264
265 return e1000_has_link(adapter);
266}
267
Joe Perches64798842008-07-11 15:17:02 -0700268static void e1000_get_pauseparam(struct net_device *netdev,
269 struct ethtool_pauseparam *pause)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700270{
Malli Chilakala60490fe2005-06-17 17:41:45 -0700271 struct e1000_adapter *adapter = netdev_priv(netdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700272 struct e1000_hw *hw = &adapter->hw;
273
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800274 pause->autoneg =
Linus Torvalds1da177e2005-04-16 15:20:36 -0700275 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800276
Krzysztof Majzerowicz-Jaszcz887a79f2014-08-27 07:10:58 +0000277 if (hw->fc == E1000_FC_RX_PAUSE) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700278 pause->rx_pause = 1;
Krzysztof Majzerowicz-Jaszcz887a79f2014-08-27 07:10:58 +0000279 } else if (hw->fc == E1000_FC_TX_PAUSE) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700280 pause->tx_pause = 1;
Krzysztof Majzerowicz-Jaszcz887a79f2014-08-27 07:10:58 +0000281 } else if (hw->fc == E1000_FC_FULL) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700282 pause->rx_pause = 1;
283 pause->tx_pause = 1;
284 }
285}
286
Joe Perches64798842008-07-11 15:17:02 -0700287static int e1000_set_pauseparam(struct net_device *netdev,
288 struct ethtool_pauseparam *pause)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700289{
Malli Chilakala60490fe2005-06-17 17:41:45 -0700290 struct e1000_adapter *adapter = netdev_priv(netdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700291 struct e1000_hw *hw = &adapter->hw;
Jesse Brandeburg1a821ca2006-08-16 13:38:46 -0700292 int retval = 0;
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800293
Linus Torvalds1da177e2005-04-16 15:20:36 -0700294 adapter->fc_autoneg = pause->autoneg;
295
Jesse Brandeburg1a821ca2006-08-16 13:38:46 -0700296 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
297 msleep(1);
298
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800299 if (pause->rx_pause && pause->tx_pause)
Jeff Kirsher11241b12006-09-27 12:53:28 -0700300 hw->fc = E1000_FC_FULL;
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800301 else if (pause->rx_pause && !pause->tx_pause)
Jeff Kirsher11241b12006-09-27 12:53:28 -0700302 hw->fc = E1000_FC_RX_PAUSE;
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800303 else if (!pause->rx_pause && pause->tx_pause)
Jeff Kirsher11241b12006-09-27 12:53:28 -0700304 hw->fc = E1000_FC_TX_PAUSE;
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800305 else if (!pause->rx_pause && !pause->tx_pause)
Jeff Kirsher11241b12006-09-27 12:53:28 -0700306 hw->fc = E1000_FC_NONE;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700307
308 hw->original_fc = hw->fc;
309
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800310 if (adapter->fc_autoneg == AUTONEG_ENABLE) {
Jesse Brandeburg1a821ca2006-08-16 13:38:46 -0700311 if (netif_running(adapter->netdev)) {
312 e1000_down(adapter);
313 e1000_up(adapter);
Krzysztof Majzerowicz-Jaszcz887a79f2014-08-27 07:10:58 +0000314 } else {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700315 e1000_reset(adapter);
Krzysztof Majzerowicz-Jaszcz887a79f2014-08-27 07:10:58 +0000316 }
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800317 } else
Jesse Brandeburg1a821ca2006-08-16 13:38:46 -0700318 retval = ((hw->media_type == e1000_media_type_fiber) ?
Auke Kok90fb5132006-11-01 08:47:30 -0800319 e1000_setup_link(hw) : e1000_force_mac_fc(hw));
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800320
Jesse Brandeburg1a821ca2006-08-16 13:38:46 -0700321 clear_bit(__E1000_RESETTING, &adapter->flags);
322 return retval;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700323}
324
Joe Perches64798842008-07-11 15:17:02 -0700325static u32 e1000_get_msglevel(struct net_device *netdev)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700326{
Malli Chilakala60490fe2005-06-17 17:41:45 -0700327 struct e1000_adapter *adapter = netdev_priv(netdev);
Krzysztof Majzerowicz-Jaszcz887a79f2014-08-27 07:10:58 +0000328
Linus Torvalds1da177e2005-04-16 15:20:36 -0700329 return adapter->msg_enable;
330}
331
Joe Perches64798842008-07-11 15:17:02 -0700332static void e1000_set_msglevel(struct net_device *netdev, u32 data)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700333{
Malli Chilakala60490fe2005-06-17 17:41:45 -0700334 struct e1000_adapter *adapter = netdev_priv(netdev);
Krzysztof Majzerowicz-Jaszcz887a79f2014-08-27 07:10:58 +0000335
Linus Torvalds1da177e2005-04-16 15:20:36 -0700336 adapter->msg_enable = data;
337}
338
Joe Perches64798842008-07-11 15:17:02 -0700339static int e1000_get_regs_len(struct net_device *netdev)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700340{
341#define E1000_REGS_LEN 32
Joe Perches406874a2008-04-03 10:06:32 -0700342 return E1000_REGS_LEN * sizeof(u32);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700343}
344
Joe Perches64798842008-07-11 15:17:02 -0700345static void e1000_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
346 void *p)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700347{
Malli Chilakala60490fe2005-06-17 17:41:45 -0700348 struct e1000_adapter *adapter = netdev_priv(netdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700349 struct e1000_hw *hw = &adapter->hw;
Joe Perches406874a2008-04-03 10:06:32 -0700350 u32 *regs_buff = p;
351 u16 phy_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700352
Joe Perches406874a2008-04-03 10:06:32 -0700353 memset(p, 0, E1000_REGS_LEN * sizeof(u32));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700354
355 regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
356
Joe Perches1dc32912008-07-11 15:17:08 -0700357 regs_buff[0] = er32(CTRL);
358 regs_buff[1] = er32(STATUS);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700359
Joe Perches1dc32912008-07-11 15:17:08 -0700360 regs_buff[2] = er32(RCTL);
361 regs_buff[3] = er32(RDLEN);
362 regs_buff[4] = er32(RDH);
363 regs_buff[5] = er32(RDT);
364 regs_buff[6] = er32(RDTR);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700365
Joe Perches1dc32912008-07-11 15:17:08 -0700366 regs_buff[7] = er32(TCTL);
367 regs_buff[8] = er32(TDLEN);
368 regs_buff[9] = er32(TDH);
369 regs_buff[10] = er32(TDT);
370 regs_buff[11] = er32(TIDV);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700371
Joe Perches1dc32912008-07-11 15:17:08 -0700372 regs_buff[12] = hw->phy_type; /* PHY type (IGP=1, M88=0) */
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800373 if (hw->phy_type == e1000_phy_igp) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700374 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
375 IGP01E1000_PHY_AGC_A);
376 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_A &
377 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
Joe Perches406874a2008-04-03 10:06:32 -0700378 regs_buff[13] = (u32)phy_data; /* cable length */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700379 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
380 IGP01E1000_PHY_AGC_B);
381 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_B &
382 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
Joe Perches406874a2008-04-03 10:06:32 -0700383 regs_buff[14] = (u32)phy_data; /* cable length */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700384 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
385 IGP01E1000_PHY_AGC_C);
386 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_C &
387 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
Joe Perches406874a2008-04-03 10:06:32 -0700388 regs_buff[15] = (u32)phy_data; /* cable length */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700389 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
390 IGP01E1000_PHY_AGC_D);
391 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_D &
392 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
Joe Perches406874a2008-04-03 10:06:32 -0700393 regs_buff[16] = (u32)phy_data; /* cable length */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700394 regs_buff[17] = 0; /* extended 10bt distance (not needed) */
395 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
396 e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS &
397 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
Joe Perches406874a2008-04-03 10:06:32 -0700398 regs_buff[18] = (u32)phy_data; /* cable polarity */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700399 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
400 IGP01E1000_PHY_PCS_INIT_REG);
401 e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG &
402 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
Joe Perches406874a2008-04-03 10:06:32 -0700403 regs_buff[19] = (u32)phy_data; /* cable polarity */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700404 regs_buff[20] = 0; /* polarity correction enabled (always) */
405 regs_buff[22] = 0; /* phy receive errors (unavailable) */
406 regs_buff[23] = regs_buff[18]; /* mdix mode */
407 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
408 } else {
Auke Kok8fc897b2006-08-28 14:56:16 -0700409 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
Joe Perches406874a2008-04-03 10:06:32 -0700410 regs_buff[13] = (u32)phy_data; /* cable length */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700411 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */
412 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */
413 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */
Auke Kok8fc897b2006-08-28 14:56:16 -0700414 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
Joe Perches406874a2008-04-03 10:06:32 -0700415 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700416 regs_buff[18] = regs_buff[13]; /* cable polarity */
417 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */
418 regs_buff[20] = regs_buff[17]; /* polarity correction */
419 /* phy receive errors */
420 regs_buff[22] = adapter->phy_stats.receive_errors;
421 regs_buff[23] = regs_buff[13]; /* mdix mode */
422 }
423 regs_buff[21] = adapter->phy_stats.idle_errors; /* phy idle errors */
424 e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
Joe Perches406874a2008-04-03 10:06:32 -0700425 regs_buff[24] = (u32)phy_data; /* phy local receiver status */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700426 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800427 if (hw->mac_type >= e1000_82540 &&
Jesse Brandeburg4ccc12a2006-10-24 14:45:53 -0700428 hw->media_type == e1000_media_type_copper) {
Joe Perches1dc32912008-07-11 15:17:08 -0700429 regs_buff[26] = er32(MANC);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700430 }
431}
432
Joe Perches64798842008-07-11 15:17:02 -0700433static int e1000_get_eeprom_len(struct net_device *netdev)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700434{
Malli Chilakala60490fe2005-06-17 17:41:45 -0700435 struct e1000_adapter *adapter = netdev_priv(netdev);
Joe Perches1dc32912008-07-11 15:17:08 -0700436 struct e1000_hw *hw = &adapter->hw;
437
438 return hw->eeprom.word_size * 2;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700439}
440
Joe Perches64798842008-07-11 15:17:02 -0700441static int e1000_get_eeprom(struct net_device *netdev,
442 struct ethtool_eeprom *eeprom, u8 *bytes)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700443{
Malli Chilakala60490fe2005-06-17 17:41:45 -0700444 struct e1000_adapter *adapter = netdev_priv(netdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700445 struct e1000_hw *hw = &adapter->hw;
Joe Perches406874a2008-04-03 10:06:32 -0700446 u16 *eeprom_buff;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700447 int first_word, last_word;
448 int ret_val = 0;
Joe Perches406874a2008-04-03 10:06:32 -0700449 u16 i;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700450
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800451 if (eeprom->len == 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700452 return -EINVAL;
453
454 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
455
456 first_word = eeprom->offset >> 1;
457 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
458
Joe Perches406874a2008-04-03 10:06:32 -0700459 eeprom_buff = kmalloc(sizeof(u16) *
Linus Torvalds1da177e2005-04-16 15:20:36 -0700460 (last_word - first_word + 1), GFP_KERNEL);
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800461 if (!eeprom_buff)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700462 return -ENOMEM;
463
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800464 if (hw->eeprom.type == e1000_eeprom_spi)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700465 ret_val = e1000_read_eeprom(hw, first_word,
466 last_word - first_word + 1,
467 eeprom_buff);
468 else {
Joe Perchesc7be73b2008-07-11 15:17:28 -0700469 for (i = 0; i < last_word - first_word + 1; i++) {
470 ret_val = e1000_read_eeprom(hw, first_word + i, 1,
471 &eeprom_buff[i]);
472 if (ret_val)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700473 break;
Joe Perchesc7be73b2008-07-11 15:17:28 -0700474 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700475 }
476
477 /* Device's eeprom is always little-endian, word addressable */
478 for (i = 0; i < last_word - first_word + 1; i++)
479 le16_to_cpus(&eeprom_buff[i]);
480
Joe Perches406874a2008-04-03 10:06:32 -0700481 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1),
Jeff Kirsher6cfbd972013-02-09 12:49:21 +0000482 eeprom->len);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700483 kfree(eeprom_buff);
484
485 return ret_val;
486}
487
Joe Perches64798842008-07-11 15:17:02 -0700488static int e1000_set_eeprom(struct net_device *netdev,
489 struct ethtool_eeprom *eeprom, u8 *bytes)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700490{
Malli Chilakala60490fe2005-06-17 17:41:45 -0700491 struct e1000_adapter *adapter = netdev_priv(netdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700492 struct e1000_hw *hw = &adapter->hw;
Joe Perches406874a2008-04-03 10:06:32 -0700493 u16 *eeprom_buff;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700494 void *ptr;
495 int max_len, first_word, last_word, ret_val = 0;
Joe Perches406874a2008-04-03 10:06:32 -0700496 u16 i;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700497
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800498 if (eeprom->len == 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700499 return -EOPNOTSUPP;
500
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800501 if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700502 return -EFAULT;
503
504 max_len = hw->eeprom.word_size * 2;
505
506 first_word = eeprom->offset >> 1;
507 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
508 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800509 if (!eeprom_buff)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700510 return -ENOMEM;
511
512 ptr = (void *)eeprom_buff;
513
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800514 if (eeprom->offset & 1) {
Jeff Kirsher6cfbd972013-02-09 12:49:21 +0000515 /* need read/modify/write of first changed EEPROM word
516 * only the second byte of the word is being modified
517 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700518 ret_val = e1000_read_eeprom(hw, first_word, 1,
519 &eeprom_buff[0]);
520 ptr++;
521 }
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800522 if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) {
Jeff Kirsher6cfbd972013-02-09 12:49:21 +0000523 /* need read/modify/write of last changed EEPROM word
524 * only the first byte of the word is being modified
525 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700526 ret_val = e1000_read_eeprom(hw, last_word, 1,
Krzysztof Majzerowicz-Jaszcz887a79f2014-08-27 07:10:58 +0000527 &eeprom_buff[last_word - first_word]);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700528 }
529
530 /* Device's eeprom is always little-endian, word addressable */
531 for (i = 0; i < last_word - first_word + 1; i++)
532 le16_to_cpus(&eeprom_buff[i]);
533
534 memcpy(ptr, bytes, eeprom->len);
535
536 for (i = 0; i < last_word - first_word + 1; i++)
537 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
538
539 ret_val = e1000_write_eeprom(hw, first_word,
540 last_word - first_word + 1, eeprom_buff);
541
Jesse Brandeburg1532ece2009-09-25 12:16:14 +0000542 /* Update the checksum over the first part of the EEPROM if needed */
543 if ((ret_val == 0) && (first_word <= EEPROM_CHECKSUM_REG))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700544 e1000_update_eeprom_checksum(hw);
545
546 kfree(eeprom_buff);
547 return ret_val;
548}
549
Joe Perches64798842008-07-11 15:17:02 -0700550static void e1000_get_drvinfo(struct net_device *netdev,
551 struct ethtool_drvinfo *drvinfo)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700552{
Malli Chilakala60490fe2005-06-17 17:41:45 -0700553 struct e1000_adapter *adapter = netdev_priv(netdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700554
Rick Jones612a94d2011-11-14 08:13:25 +0000555 strlcpy(drvinfo->driver, e1000_driver_name,
556 sizeof(drvinfo->driver));
557 strlcpy(drvinfo->version, e1000_driver_version,
558 sizeof(drvinfo->version));
Jeff Kirshera2917e22006-01-12 16:51:23 -0800559
Rick Jones612a94d2011-11-14 08:13:25 +0000560 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
561 sizeof(drvinfo->bus_info));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700562 drvinfo->regdump_len = e1000_get_regs_len(netdev);
563 drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
564}
565
Joe Perches64798842008-07-11 15:17:02 -0700566static void e1000_get_ringparam(struct net_device *netdev,
567 struct ethtool_ringparam *ring)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700568{
Malli Chilakala60490fe2005-06-17 17:41:45 -0700569 struct e1000_adapter *adapter = netdev_priv(netdev);
Joe Perches1dc32912008-07-11 15:17:08 -0700570 struct e1000_hw *hw = &adapter->hw;
571 e1000_mac_type mac_type = hw->mac_type;
Mallikarjuna R Chilakala581d7082005-10-04 07:01:55 -0400572 struct e1000_tx_ring *txdr = adapter->tx_ring;
573 struct e1000_rx_ring *rxdr = adapter->rx_ring;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700574
575 ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD :
576 E1000_MAX_82544_RXD;
577 ring->tx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_TXD :
578 E1000_MAX_82544_TXD;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700579 ring->rx_pending = rxdr->count;
580 ring->tx_pending = txdr->count;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700581}
582
Joe Perches64798842008-07-11 15:17:02 -0700583static int e1000_set_ringparam(struct net_device *netdev,
584 struct ethtool_ringparam *ring)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700585{
Malli Chilakala60490fe2005-06-17 17:41:45 -0700586 struct e1000_adapter *adapter = netdev_priv(netdev);
Joe Perches1dc32912008-07-11 15:17:08 -0700587 struct e1000_hw *hw = &adapter->hw;
588 e1000_mac_type mac_type = hw->mac_type;
Vasily Averin793fab722006-09-27 12:54:14 -0700589 struct e1000_tx_ring *txdr, *tx_old;
590 struct e1000_rx_ring *rxdr, *rx_old;
Yan Burman1c7e5b12007-03-06 08:58:04 -0800591 int i, err;
Mallikarjuna R Chilakala581d7082005-10-04 07:01:55 -0400592
Jeff Kirsher0989aa42006-03-02 18:17:16 -0800593 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
594 return -EINVAL;
595
Auke Kok2db10a02006-06-27 09:06:28 -0700596 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
597 msleep(1);
598
Mallikarjuna R Chilakala581d7082005-10-04 07:01:55 -0400599 if (netif_running(adapter->netdev))
600 e1000_down(adapter);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700601
602 tx_old = adapter->tx_ring;
603 rx_old = adapter->rx_ring;
604
Vasily Averin793fab722006-09-27 12:54:14 -0700605 err = -ENOMEM;
Jeff Kirsher6cfbd972013-02-09 12:49:21 +0000606 txdr = kcalloc(adapter->num_tx_queues, sizeof(struct e1000_tx_ring),
607 GFP_KERNEL);
Vasily Averin793fab722006-09-27 12:54:14 -0700608 if (!txdr)
609 goto err_alloc_tx;
Mallikarjuna R Chilakala581d7082005-10-04 07:01:55 -0400610
Jeff Kirsher6cfbd972013-02-09 12:49:21 +0000611 rxdr = kcalloc(adapter->num_rx_queues, sizeof(struct e1000_rx_ring),
612 GFP_KERNEL);
Vasily Averin793fab722006-09-27 12:54:14 -0700613 if (!rxdr)
614 goto err_alloc_rx;
Mallikarjuna R Chilakala581d7082005-10-04 07:01:55 -0400615
Vasily Averin793fab722006-09-27 12:54:14 -0700616 adapter->tx_ring = txdr;
617 adapter->rx_ring = rxdr;
Mallikarjuna R Chilakala581d7082005-10-04 07:01:55 -0400618
Krzysztof Majzerowicz-Jaszcz887a79f2014-08-27 07:10:58 +0000619 rxdr->count = max(ring->rx_pending, (u32)E1000_MIN_RXD);
620 rxdr->count = min(rxdr->count, (u32)(mac_type < e1000_82544 ?
Jeff Kirsher6cfbd972013-02-09 12:49:21 +0000621 E1000_MAX_RXD : E1000_MAX_82544_RXD));
Milind Arun Choudhary9099cfb2007-04-27 13:55:29 -0700622 rxdr->count = ALIGN(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE);
Krzysztof Majzerowicz-Jaszcz887a79f2014-08-27 07:10:58 +0000623 txdr->count = max(ring->tx_pending, (u32)E1000_MIN_TXD);
624 txdr->count = min(txdr->count, (u32)(mac_type < e1000_82544 ?
Jeff Kirsher6cfbd972013-02-09 12:49:21 +0000625 E1000_MAX_TXD : E1000_MAX_82544_TXD));
Milind Arun Choudhary9099cfb2007-04-27 13:55:29 -0700626 txdr->count = ALIGN(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700627
Jeff Kirsherf56799e2006-01-12 16:50:39 -0800628 for (i = 0; i < adapter->num_tx_queues; i++)
Mallikarjuna R Chilakala581d7082005-10-04 07:01:55 -0400629 txdr[i].count = txdr->count;
Jeff Kirsherf56799e2006-01-12 16:50:39 -0800630 for (i = 0; i < adapter->num_rx_queues; i++)
Mallikarjuna R Chilakala581d7082005-10-04 07:01:55 -0400631 rxdr[i].count = rxdr->count;
Mallikarjuna R Chilakala581d7082005-10-04 07:01:55 -0400632
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800633 if (netif_running(adapter->netdev)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700634 /* Try to get new resources before deleting old */
Joe Perchesc7be73b2008-07-11 15:17:28 -0700635 err = e1000_setup_all_rx_resources(adapter);
636 if (err)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700637 goto err_setup_rx;
Joe Perchesc7be73b2008-07-11 15:17:28 -0700638 err = e1000_setup_all_tx_resources(adapter);
639 if (err)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700640 goto err_setup_tx;
641
642 /* save the new, restore the old in order to free it,
Jeff Kirsher6cfbd972013-02-09 12:49:21 +0000643 * then restore the new back again
644 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700645
Linus Torvalds1da177e2005-04-16 15:20:36 -0700646 adapter->rx_ring = rx_old;
647 adapter->tx_ring = tx_old;
Mallikarjuna R Chilakala581d7082005-10-04 07:01:55 -0400648 e1000_free_all_rx_resources(adapter);
649 e1000_free_all_tx_resources(adapter);
650 kfree(tx_old);
651 kfree(rx_old);
Vasily Averin793fab722006-09-27 12:54:14 -0700652 adapter->rx_ring = rxdr;
653 adapter->tx_ring = txdr;
Joe Perchesc7be73b2008-07-11 15:17:28 -0700654 err = e1000_up(adapter);
655 if (err)
Auke Kok2db10a02006-06-27 09:06:28 -0700656 goto err_setup;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700657 }
658
Auke Kok2db10a02006-06-27 09:06:28 -0700659 clear_bit(__E1000_RESETTING, &adapter->flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700660 return 0;
661err_setup_tx:
Mallikarjuna R Chilakala581d7082005-10-04 07:01:55 -0400662 e1000_free_all_rx_resources(adapter);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700663err_setup_rx:
664 adapter->rx_ring = rx_old;
665 adapter->tx_ring = tx_old;
Vasily Averin793fab722006-09-27 12:54:14 -0700666 kfree(rxdr);
667err_alloc_rx:
668 kfree(txdr);
669err_alloc_tx:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700670 e1000_up(adapter);
Auke Kok2db10a02006-06-27 09:06:28 -0700671err_setup:
672 clear_bit(__E1000_RESETTING, &adapter->flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700673 return err;
674}
675
Joe Perches64798842008-07-11 15:17:02 -0700676static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data, int reg,
677 u32 mask, u32 write)
Joe Perches7e643002007-11-13 20:52:05 -0800678{
Joe Perches1dc32912008-07-11 15:17:08 -0700679 struct e1000_hw *hw = &adapter->hw;
Krzysztof Majzerowicz-Jaszcz887a79f2014-08-27 07:10:58 +0000680 static const u32 test[] = {
681 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF
682 };
Joe Perches1dc32912008-07-11 15:17:08 -0700683 u8 __iomem *address = hw->hw_addr + reg;
Joe Perches406874a2008-04-03 10:06:32 -0700684 u32 read;
Joe Perches7e643002007-11-13 20:52:05 -0800685 int i;
686
687 for (i = 0; i < ARRAY_SIZE(test); i++) {
688 writel(write & test[i], address);
689 read = readl(address);
690 if (read != (write & test[i] & mask)) {
Emil Tantilovfeb8f472010-07-26 23:37:21 -0700691 e_err(drv, "pattern test reg %04X failed: "
692 "got 0x%08X expected 0x%08X\n",
693 reg, read, (write & test[i] & mask));
Joe Perches7e643002007-11-13 20:52:05 -0800694 *data = reg;
695 return true;
696 }
697 }
698 return false;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700699}
700
Joe Perches64798842008-07-11 15:17:02 -0700701static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data, int reg,
702 u32 mask, u32 write)
Joe Perches7e643002007-11-13 20:52:05 -0800703{
Joe Perches1dc32912008-07-11 15:17:08 -0700704 struct e1000_hw *hw = &adapter->hw;
705 u8 __iomem *address = hw->hw_addr + reg;
Joe Perches406874a2008-04-03 10:06:32 -0700706 u32 read;
Joe Perches7e643002007-11-13 20:52:05 -0800707
708 writel(write & mask, address);
709 read = readl(address);
710 if ((read & mask) != (write & mask)) {
Emil Tantilovfeb8f472010-07-26 23:37:21 -0700711 e_err(drv, "set/check reg %04X test failed: "
Emil Tantilov675ad472010-04-27 14:02:58 +0000712 "got 0x%08X expected 0x%08X\n",
713 reg, (read & mask), (write & mask));
Joe Perches7e643002007-11-13 20:52:05 -0800714 *data = reg;
715 return true;
716 }
717 return false;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700718}
719
Joe Perches7e643002007-11-13 20:52:05 -0800720#define REG_PATTERN_TEST(reg, mask, write) \
721 do { \
722 if (reg_pattern_test(adapter, data, \
Joe Perches1dc32912008-07-11 15:17:08 -0700723 (hw->mac_type >= e1000_82543) \
Joe Perches7e643002007-11-13 20:52:05 -0800724 ? E1000_##reg : E1000_82542_##reg, \
725 mask, write)) \
726 return 1; \
727 } while (0)
728
729#define REG_SET_AND_CHECK(reg, mask, write) \
730 do { \
731 if (reg_set_and_check(adapter, data, \
Joe Perches1dc32912008-07-11 15:17:08 -0700732 (hw->mac_type >= e1000_82543) \
Joe Perches7e643002007-11-13 20:52:05 -0800733 ? E1000_##reg : E1000_82542_##reg, \
734 mask, write)) \
735 return 1; \
736 } while (0)
737
Joe Perches64798842008-07-11 15:17:02 -0700738static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700739{
Joe Perches406874a2008-04-03 10:06:32 -0700740 u32 value, before, after;
741 u32 i, toggle;
Joe Perches1dc32912008-07-11 15:17:08 -0700742 struct e1000_hw *hw = &adapter->hw;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700743
744 /* The status register is Read Only, so a write should fail.
745 * Some bits that get toggled are ignored.
746 */
Jesse Brandeburg1532ece2009-09-25 12:16:14 +0000747
Mallikarjuna R Chilakala868d5302005-10-04 06:58:59 -0400748 /* there are several bits on newer hardware that are r/w */
Jesse Brandeburg1532ece2009-09-25 12:16:14 +0000749 toggle = 0xFFFFF833;
Malli Chilakalab01f6692005-06-17 17:42:29 -0700750
Joe Perches1dc32912008-07-11 15:17:08 -0700751 before = er32(STATUS);
752 value = (er32(STATUS) & toggle);
753 ew32(STATUS, toggle);
754 after = er32(STATUS) & toggle;
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800755 if (value != after) {
Emil Tantilovfeb8f472010-07-26 23:37:21 -0700756 e_err(drv, "failed STATUS register test got: "
Emil Tantilov675ad472010-04-27 14:02:58 +0000757 "0x%08X expected: 0x%08X\n", after, value);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700758 *data = 1;
759 return 1;
760 }
Malli Chilakalab01f6692005-06-17 17:42:29 -0700761 /* restore previous status */
Joe Perches1dc32912008-07-11 15:17:08 -0700762 ew32(STATUS, before);
Auke Kok90fb5132006-11-01 08:47:30 -0800763
Jesse Brandeburg1532ece2009-09-25 12:16:14 +0000764 REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
765 REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF);
766 REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF);
767 REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF);
Auke Kok90fb5132006-11-01 08:47:30 -0800768
Linus Torvalds1da177e2005-04-16 15:20:36 -0700769 REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF);
770 REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
771 REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF);
772 REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF);
773 REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF);
774 REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8);
775 REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF);
776 REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
777 REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
778 REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF);
779
780 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000);
Auke Kok90fb5132006-11-01 08:47:30 -0800781
Jesse Brandeburg1532ece2009-09-25 12:16:14 +0000782 before = 0x06DFB3FE;
Auke Kokcd94dd02006-06-27 09:08:22 -0700783 REG_SET_AND_CHECK(RCTL, before, 0x003FFFFB);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700784 REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000);
785
Joe Perches1dc32912008-07-11 15:17:08 -0700786 if (hw->mac_type >= e1000_82543) {
Auke Kokcd94dd02006-06-27 09:08:22 -0700787 REG_SET_AND_CHECK(RCTL, before, 0xFFFFFFFF);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700788 REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
Jesse Brandeburg1532ece2009-09-25 12:16:14 +0000789 REG_PATTERN_TEST(TXCW, 0xC000FFFF, 0x0000FFFF);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700790 REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
791 REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF);
Jesse Brandeburg1532ece2009-09-25 12:16:14 +0000792 value = E1000_RAR_ENTRIES;
Auke Kokcd94dd02006-06-27 09:08:22 -0700793 for (i = 0; i < value; i++) {
Krzysztof Majzerowicz-Jaszcz887a79f2014-08-27 07:10:58 +0000794 REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2),
795 0x8003FFFF, 0xFFFFFFFF);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700796 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700797 } else {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700798 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF);
799 REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF);
800 REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF);
801 REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700802 }
803
Jesse Brandeburg1532ece2009-09-25 12:16:14 +0000804 value = E1000_MC_TBL_SIZE;
Auke Kokcd94dd02006-06-27 09:08:22 -0700805 for (i = 0; i < value; i++)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700806 REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF);
807
808 *data = 0;
809 return 0;
810}
811
Joe Perches64798842008-07-11 15:17:02 -0700812static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700813{
Joe Perches1dc32912008-07-11 15:17:08 -0700814 struct e1000_hw *hw = &adapter->hw;
Joe Perches406874a2008-04-03 10:06:32 -0700815 u16 temp;
816 u16 checksum = 0;
817 u16 i;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700818
819 *data = 0;
820 /* Read and add up the contents of the EEPROM */
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800821 for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
Joe Perches1dc32912008-07-11 15:17:08 -0700822 if ((e1000_read_eeprom(hw, i, 1, &temp)) < 0) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700823 *data = 1;
824 break;
825 }
826 checksum += temp;
827 }
828
829 /* If Checksum is not Correct return error else test passed */
Joe Perchese982f172008-07-11 15:17:18 -0700830 if ((checksum != (u16)EEPROM_SUM) && !(*data))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700831 *data = 2;
832
833 return *data;
834}
835
Joe Perches64798842008-07-11 15:17:02 -0700836static irqreturn_t e1000_test_intr(int irq, void *data)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700837{
Joe Perchese982f172008-07-11 15:17:18 -0700838 struct net_device *netdev = (struct net_device *)data;
Malli Chilakala60490fe2005-06-17 17:41:45 -0700839 struct e1000_adapter *adapter = netdev_priv(netdev);
Joe Perches1dc32912008-07-11 15:17:08 -0700840 struct e1000_hw *hw = &adapter->hw;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700841
Joe Perches1dc32912008-07-11 15:17:08 -0700842 adapter->test_icr |= er32(ICR);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700843
844 return IRQ_HANDLED;
845}
846
Joe Perches64798842008-07-11 15:17:02 -0700847static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700848{
849 struct net_device *netdev = adapter->netdev;
Joe Perches406874a2008-04-03 10:06:32 -0700850 u32 mask, i = 0;
Joe Perchesc3033b02008-03-21 11:06:25 -0700851 bool shared_int = true;
Joe Perches406874a2008-04-03 10:06:32 -0700852 u32 irq = adapter->pdev->irq;
Joe Perches1dc32912008-07-11 15:17:08 -0700853 struct e1000_hw *hw = &adapter->hw;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700854
855 *data = 0;
856
Jeff Kirsher6cfbd972013-02-09 12:49:21 +0000857 /* NOTE: we don't test MSI interrupts here, yet
858 * Hook up test interrupt handler just for this test
859 */
Joe Perchesa0607fd2009-11-18 23:29:17 -0800860 if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
Jeff Kirsher6cfbd972013-02-09 12:49:21 +0000861 netdev))
Joe Perchesc3033b02008-03-21 11:06:25 -0700862 shared_int = false;
Joe Perchesa0607fd2009-11-18 23:29:17 -0800863 else if (request_irq(irq, e1000_test_intr, IRQF_SHARED,
Jeff Kirsher6cfbd972013-02-09 12:49:21 +0000864 netdev->name, netdev)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700865 *data = 1;
866 return -1;
867 }
Emil Tantilovfeb8f472010-07-26 23:37:21 -0700868 e_info(hw, "testing %s interrupt\n", (shared_int ?
869 "shared" : "unshared"));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700870
871 /* Disable all the interrupts */
Joe Perches1dc32912008-07-11 15:17:08 -0700872 ew32(IMC, 0xFFFFFFFF);
Jesse Brandeburg945a5152011-07-20 00:56:21 +0000873 E1000_WRITE_FLUSH();
Jeff Garzikf8ec4732006-09-19 15:27:07 -0400874 msleep(10);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700875
876 /* Test each interrupt */
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800877 for (; i < 10; i++) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700878 /* Interrupt to test */
879 mask = 1 << i;
880
Auke Kok76c224b2006-05-23 13:36:06 -0700881 if (!shared_int) {
882 /* Disable the interrupt to be reported in
883 * the cause register and then force the same
884 * interrupt and see if one gets posted. If
885 * an interrupt was posted to the bus, the
886 * test failed.
887 */
888 adapter->test_icr = 0;
Joe Perches1dc32912008-07-11 15:17:08 -0700889 ew32(IMC, mask);
890 ew32(ICS, mask);
Jesse Brandeburg945a5152011-07-20 00:56:21 +0000891 E1000_WRITE_FLUSH();
Jeff Garzikf8ec4732006-09-19 15:27:07 -0400892 msleep(10);
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800893
Auke Kok76c224b2006-05-23 13:36:06 -0700894 if (adapter->test_icr & mask) {
895 *data = 3;
896 break;
897 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700898 }
899
900 /* Enable the interrupt to be reported in
901 * the cause register and then force the same
902 * interrupt and see if one gets posted. If
903 * an interrupt was not posted to the bus, the
904 * test failed.
905 */
906 adapter->test_icr = 0;
Joe Perches1dc32912008-07-11 15:17:08 -0700907 ew32(IMS, mask);
908 ew32(ICS, mask);
Jesse Brandeburg945a5152011-07-20 00:56:21 +0000909 E1000_WRITE_FLUSH();
Jeff Garzikf8ec4732006-09-19 15:27:07 -0400910 msleep(10);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700911
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800912 if (!(adapter->test_icr & mask)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700913 *data = 4;
914 break;
915 }
916
Auke Kok76c224b2006-05-23 13:36:06 -0700917 if (!shared_int) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700918 /* Disable the other interrupts to be reported in
919 * the cause register and then force the other
920 * interrupts and see if any get posted. If
921 * an interrupt was posted to the bus, the
922 * test failed.
923 */
924 adapter->test_icr = 0;
Joe Perches1dc32912008-07-11 15:17:08 -0700925 ew32(IMC, ~mask & 0x00007FFF);
926 ew32(ICS, ~mask & 0x00007FFF);
Jesse Brandeburg945a5152011-07-20 00:56:21 +0000927 E1000_WRITE_FLUSH();
Jeff Garzikf8ec4732006-09-19 15:27:07 -0400928 msleep(10);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700929
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800930 if (adapter->test_icr) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700931 *data = 5;
932 break;
933 }
934 }
935 }
936
937 /* Disable all the interrupts */
Joe Perches1dc32912008-07-11 15:17:08 -0700938 ew32(IMC, 0xFFFFFFFF);
Jesse Brandeburg945a5152011-07-20 00:56:21 +0000939 E1000_WRITE_FLUSH();
Jeff Garzikf8ec4732006-09-19 15:27:07 -0400940 msleep(10);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700941
942 /* Unhook test interrupt handler */
943 free_irq(irq, netdev);
944
945 return *data;
946}
947
Joe Perches64798842008-07-11 15:17:02 -0700948static void e1000_free_desc_rings(struct e1000_adapter *adapter)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700949{
Mallikarjuna R Chilakala581d7082005-10-04 07:01:55 -0400950 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
951 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700952 struct pci_dev *pdev = adapter->pdev;
953 int i;
954
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800955 if (txdr->desc && txdr->buffer_info) {
956 for (i = 0; i < txdr->count; i++) {
957 if (txdr->buffer_info[i].dma)
Nick Nunleyb16f53b2010-04-27 13:08:45 +0000958 dma_unmap_single(&pdev->dev,
959 txdr->buffer_info[i].dma,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700960 txdr->buffer_info[i].length,
Nick Nunleyb16f53b2010-04-27 13:08:45 +0000961 DMA_TO_DEVICE);
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800962 if (txdr->buffer_info[i].skb)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700963 dev_kfree_skb(txdr->buffer_info[i].skb);
964 }
965 }
966
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800967 if (rxdr->desc && rxdr->buffer_info) {
968 for (i = 0; i < rxdr->count; i++) {
969 if (rxdr->buffer_info[i].dma)
Nick Nunleyb16f53b2010-04-27 13:08:45 +0000970 dma_unmap_single(&pdev->dev,
971 rxdr->buffer_info[i].dma,
Florian Westphal93f0afe2014-09-03 13:34:26 +0000972 E1000_RXBUFFER_2048,
Nick Nunleyb16f53b2010-04-27 13:08:45 +0000973 DMA_FROM_DEVICE);
Florian Westphal13809602014-09-03 13:34:36 +0000974 kfree(rxdr->buffer_info[i].rxbuf.data);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700975 }
976 }
977
Jeff Kirsherf5645112006-01-12 16:51:01 -0800978 if (txdr->desc) {
Nick Nunleyb16f53b2010-04-27 13:08:45 +0000979 dma_free_coherent(&pdev->dev, txdr->size, txdr->desc,
980 txdr->dma);
John W. Linville6b27adb2005-11-08 15:59:30 -0500981 txdr->desc = NULL;
982 }
Jeff Kirsherf5645112006-01-12 16:51:01 -0800983 if (rxdr->desc) {
Nick Nunleyb16f53b2010-04-27 13:08:45 +0000984 dma_free_coherent(&pdev->dev, rxdr->size, rxdr->desc,
985 rxdr->dma);
John W. Linville6b27adb2005-11-08 15:59:30 -0500986 rxdr->desc = NULL;
987 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700988
Jesper Juhlb4558ea2005-10-28 16:53:13 -0400989 kfree(txdr->buffer_info);
John W. Linville6b27adb2005-11-08 15:59:30 -0500990 txdr->buffer_info = NULL;
Jesper Juhlb4558ea2005-10-28 16:53:13 -0400991 kfree(rxdr->buffer_info);
John W. Linville6b27adb2005-11-08 15:59:30 -0500992 rxdr->buffer_info = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700993}
994
Joe Perches64798842008-07-11 15:17:02 -0700995static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700996{
Joe Perches1dc32912008-07-11 15:17:08 -0700997 struct e1000_hw *hw = &adapter->hw;
Mallikarjuna R Chilakala581d7082005-10-04 07:01:55 -0400998 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
999 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001000 struct pci_dev *pdev = adapter->pdev;
Joe Perches406874a2008-04-03 10:06:32 -07001001 u32 rctl;
Yan Burman1c7e5b12007-03-06 08:58:04 -08001002 int i, ret_val;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001003
1004 /* Setup Tx descriptor ring and Tx buffers */
1005
Jesse Brandeburg96838a42006-01-18 13:01:39 -08001006 if (!txdr->count)
1007 txdr->count = E1000_DEFAULT_TXD;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001008
Florian Westphal580f3212014-09-03 13:34:31 +00001009 txdr->buffer_info = kcalloc(txdr->count, sizeof(struct e1000_tx_buffer),
Joe Perchesc7be73b2008-07-11 15:17:28 -07001010 GFP_KERNEL);
1011 if (!txdr->buffer_info) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001012 ret_val = 1;
1013 goto err_nomem;
1014 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001015
1016 txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
Milind Arun Choudhary9099cfb2007-04-27 13:55:29 -07001017 txdr->size = ALIGN(txdr->size, 4096);
Joe Perchesede23fa2013-08-26 22:45:23 -07001018 txdr->desc = dma_zalloc_coherent(&pdev->dev, txdr->size, &txdr->dma,
1019 GFP_KERNEL);
Joe Perchesc7be73b2008-07-11 15:17:28 -07001020 if (!txdr->desc) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001021 ret_val = 2;
1022 goto err_nomem;
1023 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001024 txdr->next_to_use = txdr->next_to_clean = 0;
1025
Joe Perchese982f172008-07-11 15:17:18 -07001026 ew32(TDBAL, ((u64)txdr->dma & 0x00000000FFFFFFFF));
1027 ew32(TDBAH, ((u64)txdr->dma >> 32));
Joe Perches1dc32912008-07-11 15:17:08 -07001028 ew32(TDLEN, txdr->count * sizeof(struct e1000_tx_desc));
1029 ew32(TDH, 0);
1030 ew32(TDT, 0);
1031 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN |
1032 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1033 E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001034
Jesse Brandeburg96838a42006-01-18 13:01:39 -08001035 for (i = 0; i < txdr->count; i++) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001036 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i);
1037 struct sk_buff *skb;
1038 unsigned int size = 1024;
1039
Joe Perchesc7be73b2008-07-11 15:17:28 -07001040 skb = alloc_skb(size, GFP_KERNEL);
1041 if (!skb) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001042 ret_val = 3;
1043 goto err_nomem;
1044 }
1045 skb_put(skb, size);
1046 txdr->buffer_info[i].skb = skb;
1047 txdr->buffer_info[i].length = skb->len;
1048 txdr->buffer_info[i].dma =
Nick Nunleyb16f53b2010-04-27 13:08:45 +00001049 dma_map_single(&pdev->dev, skb->data, skb->len,
1050 DMA_TO_DEVICE);
Christoph Paaschd6b057b2013-03-20 08:59:35 +00001051 if (dma_mapping_error(&pdev->dev, txdr->buffer_info[i].dma)) {
1052 ret_val = 4;
1053 goto err_nomem;
1054 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001055 tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma);
1056 tx_desc->lower.data = cpu_to_le32(skb->len);
1057 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1058 E1000_TXD_CMD_IFCS |
1059 E1000_TXD_CMD_RPS);
1060 tx_desc->upper.data = 0;
1061 }
1062
1063 /* Setup Rx descriptor ring and Rx buffers */
1064
Jesse Brandeburg96838a42006-01-18 13:01:39 -08001065 if (!rxdr->count)
1066 rxdr->count = E1000_DEFAULT_RXD;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001067
Florian Westphal93f0afe2014-09-03 13:34:26 +00001068 rxdr->buffer_info = kcalloc(rxdr->count, sizeof(struct e1000_rx_buffer),
Joe Perchesc7be73b2008-07-11 15:17:28 -07001069 GFP_KERNEL);
1070 if (!rxdr->buffer_info) {
Christoph Paaschd6b057b2013-03-20 08:59:35 +00001071 ret_val = 5;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001072 goto err_nomem;
1073 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001074
1075 rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc);
Joe Perchesede23fa2013-08-26 22:45:23 -07001076 rxdr->desc = dma_zalloc_coherent(&pdev->dev, rxdr->size, &rxdr->dma,
1077 GFP_KERNEL);
Joe Perchesc7be73b2008-07-11 15:17:28 -07001078 if (!rxdr->desc) {
Christoph Paaschd6b057b2013-03-20 08:59:35 +00001079 ret_val = 6;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001080 goto err_nomem;
1081 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001082 rxdr->next_to_use = rxdr->next_to_clean = 0;
1083
Joe Perches1dc32912008-07-11 15:17:08 -07001084 rctl = er32(RCTL);
1085 ew32(RCTL, rctl & ~E1000_RCTL_EN);
Joe Perchese982f172008-07-11 15:17:18 -07001086 ew32(RDBAL, ((u64)rxdr->dma & 0xFFFFFFFF));
1087 ew32(RDBAH, ((u64)rxdr->dma >> 32));
Joe Perches1dc32912008-07-11 15:17:08 -07001088 ew32(RDLEN, rxdr->size);
1089 ew32(RDH, 0);
1090 ew32(RDT, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001091 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1092 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
Joe Perches1dc32912008-07-11 15:17:08 -07001093 (hw->mc_filter_type << E1000_RCTL_MO_SHIFT);
1094 ew32(RCTL, rctl);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001095
Jesse Brandeburg96838a42006-01-18 13:01:39 -08001096 for (i = 0; i < rxdr->count; i++) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001097 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i);
Florian Westphal13809602014-09-03 13:34:36 +00001098 u8 *buf;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001099
Florian Westphal13809602014-09-03 13:34:36 +00001100 buf = kzalloc(E1000_RXBUFFER_2048 + NET_SKB_PAD + NET_IP_ALIGN,
1101 GFP_KERNEL);
1102 if (!buf) {
Christoph Paaschd6b057b2013-03-20 08:59:35 +00001103 ret_val = 7;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001104 goto err_nomem;
1105 }
Florian Westphal13809602014-09-03 13:34:36 +00001106 rxdr->buffer_info[i].rxbuf.data = buf;
1107
Linus Torvalds1da177e2005-04-16 15:20:36 -07001108 rxdr->buffer_info[i].dma =
Florian Westphal13809602014-09-03 13:34:36 +00001109 dma_map_single(&pdev->dev,
1110 buf + NET_SKB_PAD + NET_IP_ALIGN,
Nick Nunleyb16f53b2010-04-27 13:08:45 +00001111 E1000_RXBUFFER_2048, DMA_FROM_DEVICE);
Christoph Paaschd6b057b2013-03-20 08:59:35 +00001112 if (dma_mapping_error(&pdev->dev, rxdr->buffer_info[i].dma)) {
1113 ret_val = 8;
1114 goto err_nomem;
1115 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001116 rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001117 }
1118
1119 return 0;
1120
1121err_nomem:
1122 e1000_free_desc_rings(adapter);
1123 return ret_val;
1124}
1125
Joe Perches64798842008-07-11 15:17:02 -07001126static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001127{
Joe Perches1dc32912008-07-11 15:17:08 -07001128 struct e1000_hw *hw = &adapter->hw;
1129
Linus Torvalds1da177e2005-04-16 15:20:36 -07001130 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
Joe Perches1dc32912008-07-11 15:17:08 -07001131 e1000_write_phy_reg(hw, 29, 0x001F);
1132 e1000_write_phy_reg(hw, 30, 0x8FFC);
1133 e1000_write_phy_reg(hw, 29, 0x001A);
1134 e1000_write_phy_reg(hw, 30, 0x8FF0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001135}
1136
Joe Perches64798842008-07-11 15:17:02 -07001137static void e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001138{
Joe Perches1dc32912008-07-11 15:17:08 -07001139 struct e1000_hw *hw = &adapter->hw;
Joe Perches406874a2008-04-03 10:06:32 -07001140 u16 phy_reg;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001141
1142 /* Because we reset the PHY above, we need to re-force TX_CLK in the
1143 * Extended PHY Specific Control Register to 25MHz clock. This
1144 * value defaults back to a 2.5MHz clock when the PHY is reset.
1145 */
Joe Perches1dc32912008-07-11 15:17:08 -07001146 e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001147 phy_reg |= M88E1000_EPSCR_TX_CLK_25;
Krzysztof Majzerowicz-Jaszcz887a79f2014-08-27 07:10:58 +00001148 e1000_write_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, phy_reg);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001149
1150 /* In addition, because of the s/w reset above, we need to enable
1151 * CRS on TX. This must be set for both full and half duplex
1152 * operation.
1153 */
Joe Perches1dc32912008-07-11 15:17:08 -07001154 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001155 phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
Krzysztof Majzerowicz-Jaszcz887a79f2014-08-27 07:10:58 +00001156 e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001157}
1158
Joe Perches64798842008-07-11 15:17:02 -07001159static int e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001160{
Joe Perches1dc32912008-07-11 15:17:08 -07001161 struct e1000_hw *hw = &adapter->hw;
Joe Perches406874a2008-04-03 10:06:32 -07001162 u32 ctrl_reg;
1163 u16 phy_reg;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001164
1165 /* Setup the Device Control Register for PHY loopback test. */
1166
Joe Perches1dc32912008-07-11 15:17:08 -07001167 ctrl_reg = er32(CTRL);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001168 ctrl_reg |= (E1000_CTRL_ILOS | /* Invert Loss-Of-Signal */
1169 E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1170 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1171 E1000_CTRL_SPD_1000 | /* Force Speed to 1000 */
1172 E1000_CTRL_FD); /* Force Duplex to FULL */
1173
Joe Perches1dc32912008-07-11 15:17:08 -07001174 ew32(CTRL, ctrl_reg);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001175
1176 /* Read the PHY Specific Control Register (0x10) */
Joe Perches1dc32912008-07-11 15:17:08 -07001177 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001178
1179 /* Clear Auto-Crossover bits in PHY Specific Control Register
1180 * (bits 6:5).
1181 */
1182 phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE;
Joe Perches1dc32912008-07-11 15:17:08 -07001183 e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001184
1185 /* Perform software reset on the PHY */
Joe Perches1dc32912008-07-11 15:17:08 -07001186 e1000_phy_reset(hw);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001187
1188 /* Have to setup TX_CLK and TX_CRS after software reset */
1189 e1000_phy_reset_clk_and_crs(adapter);
1190
Joe Perches1dc32912008-07-11 15:17:08 -07001191 e1000_write_phy_reg(hw, PHY_CTRL, 0x8100);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001192
1193 /* Wait for reset to complete. */
1194 udelay(500);
1195
1196 /* Have to setup TX_CLK and TX_CRS after software reset */
1197 e1000_phy_reset_clk_and_crs(adapter);
1198
1199 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1200 e1000_phy_disable_receiver(adapter);
1201
1202 /* Set the loopback bit in the PHY control register. */
Joe Perches1dc32912008-07-11 15:17:08 -07001203 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001204 phy_reg |= MII_CR_LOOPBACK;
Joe Perches1dc32912008-07-11 15:17:08 -07001205 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001206
1207 /* Setup TX_CLK and TX_CRS one more time. */
1208 e1000_phy_reset_clk_and_crs(adapter);
1209
1210 /* Check Phy Configuration */
Joe Perches1dc32912008-07-11 15:17:08 -07001211 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
Jesse Brandeburg96838a42006-01-18 13:01:39 -08001212 if (phy_reg != 0x4100)
Krzysztof Majzerowicz-Jaszcz887a79f2014-08-27 07:10:58 +00001213 return 9;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001214
Joe Perches1dc32912008-07-11 15:17:08 -07001215 e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
Jesse Brandeburg96838a42006-01-18 13:01:39 -08001216 if (phy_reg != 0x0070)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001217 return 10;
1218
Joe Perches1dc32912008-07-11 15:17:08 -07001219 e1000_read_phy_reg(hw, 29, &phy_reg);
Jesse Brandeburg96838a42006-01-18 13:01:39 -08001220 if (phy_reg != 0x001A)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001221 return 11;
1222
1223 return 0;
1224}
1225
Joe Perches64798842008-07-11 15:17:02 -07001226static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001227{
Joe Perches1dc32912008-07-11 15:17:08 -07001228 struct e1000_hw *hw = &adapter->hw;
Joe Perches406874a2008-04-03 10:06:32 -07001229 u32 ctrl_reg = 0;
1230 u32 stat_reg = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001231
Joe Perches1dc32912008-07-11 15:17:08 -07001232 hw->autoneg = false;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001233
Joe Perches1dc32912008-07-11 15:17:08 -07001234 if (hw->phy_type == e1000_phy_m88) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001235 /* Auto-MDI/MDIX Off */
Joe Perches1dc32912008-07-11 15:17:08 -07001236 e1000_write_phy_reg(hw,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001237 M88E1000_PHY_SPEC_CTRL, 0x0808);
1238 /* reset to update Auto-MDI/MDIX */
Joe Perches1dc32912008-07-11 15:17:08 -07001239 e1000_write_phy_reg(hw, PHY_CTRL, 0x9140);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001240 /* autoneg off */
Joe Perches1dc32912008-07-11 15:17:08 -07001241 e1000_write_phy_reg(hw, PHY_CTRL, 0x8140);
Jesse Brandeburg1532ece2009-09-25 12:16:14 +00001242 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001243
Joe Perches1dc32912008-07-11 15:17:08 -07001244 ctrl_reg = er32(CTRL);
Auke Kokcd94dd02006-06-27 09:08:22 -07001245
Jesse Brandeburg1532ece2009-09-25 12:16:14 +00001246 /* force 1000, set loopback */
1247 e1000_write_phy_reg(hw, PHY_CTRL, 0x4140);
Auke Kokcd94dd02006-06-27 09:08:22 -07001248
Jesse Brandeburg1532ece2009-09-25 12:16:14 +00001249 /* Now set up the MAC to the same speed/duplex as the PHY. */
1250 ctrl_reg = er32(CTRL);
1251 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1252 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1253 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1254 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
Jeff Kirsher6cfbd972013-02-09 12:49:21 +00001255 E1000_CTRL_FD); /* Force Duplex to FULL */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001256
Joe Perches1dc32912008-07-11 15:17:08 -07001257 if (hw->media_type == e1000_media_type_copper &&
Krzysztof Majzerowicz-Jaszcz887a79f2014-08-27 07:10:58 +00001258 hw->phy_type == e1000_phy_m88)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001259 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
Auke Kok8fc897b2006-08-28 14:56:16 -07001260 else {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001261 /* Set the ILOS bit on the fiber Nic is half
Jeff Kirsher6cfbd972013-02-09 12:49:21 +00001262 * duplex link is detected.
1263 */
Joe Perches1dc32912008-07-11 15:17:08 -07001264 stat_reg = er32(STATUS);
Jesse Brandeburg96838a42006-01-18 13:01:39 -08001265 if ((stat_reg & E1000_STATUS_FD) == 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001266 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1267 }
1268
Joe Perches1dc32912008-07-11 15:17:08 -07001269 ew32(CTRL, ctrl_reg);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001270
1271 /* Disable the receiver on the PHY so when a cable is plugged in, the
1272 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1273 */
Joe Perches1dc32912008-07-11 15:17:08 -07001274 if (hw->phy_type == e1000_phy_m88)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001275 e1000_phy_disable_receiver(adapter);
1276
1277 udelay(500);
1278
1279 return 0;
1280}
1281
Joe Perches64798842008-07-11 15:17:02 -07001282static int e1000_set_phy_loopback(struct e1000_adapter *adapter)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001283{
Joe Perches1dc32912008-07-11 15:17:08 -07001284 struct e1000_hw *hw = &adapter->hw;
Joe Perches406874a2008-04-03 10:06:32 -07001285 u16 phy_reg = 0;
1286 u16 count = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001287
Joe Perches1dc32912008-07-11 15:17:08 -07001288 switch (hw->mac_type) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001289 case e1000_82543:
Joe Perches1dc32912008-07-11 15:17:08 -07001290 if (hw->media_type == e1000_media_type_copper) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001291 /* Attempt to setup Loopback mode on Non-integrated PHY.
1292 * Some PHY registers get corrupted at random, so
1293 * attempt this 10 times.
1294 */
Jesse Brandeburg96838a42006-01-18 13:01:39 -08001295 while (e1000_nonintegrated_phy_loopback(adapter) &&
Krzysztof Majzerowicz-Jaszcz887a79f2014-08-27 07:10:58 +00001296 count++ < 10);
Jesse Brandeburg96838a42006-01-18 13:01:39 -08001297 if (count < 11)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001298 return 0;
1299 }
1300 break;
1301
1302 case e1000_82544:
1303 case e1000_82540:
1304 case e1000_82545:
1305 case e1000_82545_rev_3:
1306 case e1000_82546:
1307 case e1000_82546_rev_3:
1308 case e1000_82541:
1309 case e1000_82541_rev_2:
1310 case e1000_82547:
1311 case e1000_82547_rev_2:
1312 return e1000_integrated_phy_loopback(adapter);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001313 default:
1314 /* Default PHY loopback work is to read the MII
1315 * control register and assert bit 14 (loopback mode).
1316 */
Joe Perches1dc32912008-07-11 15:17:08 -07001317 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001318 phy_reg |= MII_CR_LOOPBACK;
Joe Perches1dc32912008-07-11 15:17:08 -07001319 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001320 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001321 }
1322
1323 return 8;
1324}
1325
Joe Perches64798842008-07-11 15:17:02 -07001326static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001327{
Jeff Kirsher49273162006-01-12 16:50:44 -08001328 struct e1000_hw *hw = &adapter->hw;
Joe Perches406874a2008-04-03 10:06:32 -07001329 u32 rctl;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001330
Jeff Kirsher49273162006-01-12 16:50:44 -08001331 if (hw->media_type == e1000_media_type_fiber ||
1332 hw->media_type == e1000_media_type_internal_serdes) {
1333 switch (hw->mac_type) {
1334 case e1000_82545:
1335 case e1000_82546:
1336 case e1000_82545_rev_3:
1337 case e1000_82546_rev_3:
Linus Torvalds1da177e2005-04-16 15:20:36 -07001338 return e1000_set_phy_loopback(adapter);
Jeff Kirsher49273162006-01-12 16:50:44 -08001339 default:
Joe Perches1dc32912008-07-11 15:17:08 -07001340 rctl = er32(RCTL);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001341 rctl |= E1000_RCTL_LBM_TCVR;
Joe Perches1dc32912008-07-11 15:17:08 -07001342 ew32(RCTL, rctl);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001343 return 0;
1344 }
Krzysztof Majzerowicz-Jaszcz887a79f2014-08-27 07:10:58 +00001345 } else if (hw->media_type == e1000_media_type_copper) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001346 return e1000_set_phy_loopback(adapter);
Krzysztof Majzerowicz-Jaszcz887a79f2014-08-27 07:10:58 +00001347 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001348
1349 return 7;
1350}
1351
Joe Perches64798842008-07-11 15:17:02 -07001352static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001353{
Jeff Kirsher49273162006-01-12 16:50:44 -08001354 struct e1000_hw *hw = &adapter->hw;
Joe Perches406874a2008-04-03 10:06:32 -07001355 u32 rctl;
1356 u16 phy_reg;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001357
Joe Perches1dc32912008-07-11 15:17:08 -07001358 rctl = er32(RCTL);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001359 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
Joe Perches1dc32912008-07-11 15:17:08 -07001360 ew32(RCTL, rctl);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001361
Jeff Kirsher49273162006-01-12 16:50:44 -08001362 switch (hw->mac_type) {
Jeff Kirsher49273162006-01-12 16:50:44 -08001363 case e1000_82545:
1364 case e1000_82546:
1365 case e1000_82545_rev_3:
1366 case e1000_82546_rev_3:
1367 default:
Joe Perchesc3033b02008-03-21 11:06:25 -07001368 hw->autoneg = true;
Jeff Kirsher49273162006-01-12 16:50:44 -08001369 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1370 if (phy_reg & MII_CR_LOOPBACK) {
1371 phy_reg &= ~MII_CR_LOOPBACK;
1372 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1373 e1000_phy_reset(hw);
1374 }
1375 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001376 }
1377}
1378
Joe Perches64798842008-07-11 15:17:02 -07001379static void e1000_create_lbtest_frame(struct sk_buff *skb,
1380 unsigned int frame_size)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001381{
1382 memset(skb->data, 0xFF, frame_size);
Jeff Kirsherce7393b2006-01-12 16:51:12 -08001383 frame_size &= ~1;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001384 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1385 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1386 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1387}
1388
Florian Westphal13809602014-09-03 13:34:36 +00001389static int e1000_check_lbtest_frame(const unsigned char *data,
Joe Perches64798842008-07-11 15:17:02 -07001390 unsigned int frame_size)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001391{
Jeff Kirsherce7393b2006-01-12 16:51:12 -08001392 frame_size &= ~1;
Florian Westphal13809602014-09-03 13:34:36 +00001393 if (*(data + 3) == 0xFF) {
1394 if ((*(data + frame_size / 2 + 10) == 0xBE) &&
1395 (*(data + frame_size / 2 + 12) == 0xAF)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001396 return 0;
1397 }
1398 }
1399 return 13;
1400}
1401
Joe Perches64798842008-07-11 15:17:02 -07001402static int e1000_run_loopback_test(struct e1000_adapter *adapter)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001403{
Joe Perches1dc32912008-07-11 15:17:08 -07001404 struct e1000_hw *hw = &adapter->hw;
Mallikarjuna R Chilakala581d7082005-10-04 07:01:55 -04001405 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1406 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001407 struct pci_dev *pdev = adapter->pdev;
Krzysztof Majzerowicz-Jaszcz887a79f2014-08-27 07:10:58 +00001408 int i, j, k, l, lc, good_cnt, ret_val = 0;
Malli Chilakalae4eff722005-04-28 19:38:30 -07001409 unsigned long time;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001410
Joe Perches1dc32912008-07-11 15:17:08 -07001411 ew32(RDT, rxdr->count - 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001412
Jesse Brandeburg96838a42006-01-18 13:01:39 -08001413 /* Calculate the loop count based on the largest descriptor ring
Malli Chilakalae4eff722005-04-28 19:38:30 -07001414 * The idea is to wrap the largest ring a number of times using 64
1415 * send/receive pairs during each loop
1416 */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001417
Jesse Brandeburg96838a42006-01-18 13:01:39 -08001418 if (rxdr->count <= txdr->count)
Malli Chilakalae4eff722005-04-28 19:38:30 -07001419 lc = ((txdr->count / 64) * 2) + 1;
1420 else
1421 lc = ((rxdr->count / 64) * 2) + 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001422
Malli Chilakalae4eff722005-04-28 19:38:30 -07001423 k = l = 0;
Jesse Brandeburg96838a42006-01-18 13:01:39 -08001424 for (j = 0; j <= lc; j++) { /* loop count loop */
1425 for (i = 0; i < 64; i++) { /* send the packets */
1426 e1000_create_lbtest_frame(txdr->buffer_info[i].skb,
Krzysztof Majzerowicz-Jaszcz887a79f2014-08-27 07:10:58 +00001427 1024);
Nick Nunleyb16f53b2010-04-27 13:08:45 +00001428 dma_sync_single_for_device(&pdev->dev,
1429 txdr->buffer_info[k].dma,
1430 txdr->buffer_info[k].length,
1431 DMA_TO_DEVICE);
Krzysztof Majzerowicz-Jaszcz887a79f2014-08-27 07:10:58 +00001432 if (unlikely(++k == txdr->count))
1433 k = 0;
Malli Chilakalae4eff722005-04-28 19:38:30 -07001434 }
Joe Perches1dc32912008-07-11 15:17:08 -07001435 ew32(TDT, k);
Jesse Brandeburg945a5152011-07-20 00:56:21 +00001436 E1000_WRITE_FLUSH();
Jeff Garzikf8ec4732006-09-19 15:27:07 -04001437 msleep(200);
Malli Chilakalae4eff722005-04-28 19:38:30 -07001438 time = jiffies; /* set the start time for the receive */
1439 good_cnt = 0;
1440 do { /* receive the sent packets */
Nick Nunleyb16f53b2010-04-27 13:08:45 +00001441 dma_sync_single_for_cpu(&pdev->dev,
1442 rxdr->buffer_info[l].dma,
Florian Westphal93f0afe2014-09-03 13:34:26 +00001443 E1000_RXBUFFER_2048,
Nick Nunleyb16f53b2010-04-27 13:08:45 +00001444 DMA_FROM_DEVICE);
Jesse Brandeburg96838a42006-01-18 13:01:39 -08001445
Malli Chilakalae4eff722005-04-28 19:38:30 -07001446 ret_val = e1000_check_lbtest_frame(
Florian Westphal13809602014-09-03 13:34:36 +00001447 rxdr->buffer_info[l].rxbuf.data +
1448 NET_SKB_PAD + NET_IP_ALIGN,
Jeff Kirsher6cfbd972013-02-09 12:49:21 +00001449 1024);
Jesse Brandeburg96838a42006-01-18 13:01:39 -08001450 if (!ret_val)
Malli Chilakalae4eff722005-04-28 19:38:30 -07001451 good_cnt++;
Krzysztof Majzerowicz-Jaszcz887a79f2014-08-27 07:10:58 +00001452 if (unlikely(++l == rxdr->count))
1453 l = 0;
Jesse Brandeburg96838a42006-01-18 13:01:39 -08001454 /* time + 20 msecs (200 msecs on 2.4) is more than
1455 * enough time to complete the receives, if it's
Malli Chilakalae4eff722005-04-28 19:38:30 -07001456 * exceeded, break and error off
1457 */
Manuel Schölling1aa65f42014-05-23 18:04:17 +00001458 } while (good_cnt < 64 && time_after(time + 20, jiffies));
1459
Jesse Brandeburg96838a42006-01-18 13:01:39 -08001460 if (good_cnt != 64) {
Malli Chilakalae4eff722005-04-28 19:38:30 -07001461 ret_val = 13; /* ret_val is the same as mis-compare */
Jesse Brandeburg96838a42006-01-18 13:01:39 -08001462 break;
Malli Chilakalae4eff722005-04-28 19:38:30 -07001463 }
Asaf Vertzd5c7d7f2015-01-08 06:01:00 +00001464 if (time_after_eq(jiffies, time + 2)) {
Malli Chilakalae4eff722005-04-28 19:38:30 -07001465 ret_val = 14; /* error code for time out error */
1466 break;
1467 }
1468 } /* end loop count loop */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001469 return ret_val;
1470}
1471
Joe Perches64798842008-07-11 15:17:02 -07001472static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001473{
Joe Perchesc7be73b2008-07-11 15:17:28 -07001474 *data = e1000_setup_desc_rings(adapter);
1475 if (*data)
Jeff Kirsher57128192006-01-12 16:50:28 -08001476 goto out;
Joe Perchesc7be73b2008-07-11 15:17:28 -07001477 *data = e1000_setup_loopback_test(adapter);
1478 if (*data)
Jeff Kirsher57128192006-01-12 16:50:28 -08001479 goto err_loopback;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001480 *data = e1000_run_loopback_test(adapter);
1481 e1000_loopback_cleanup(adapter);
Jeff Kirsher57128192006-01-12 16:50:28 -08001482
Linus Torvalds1da177e2005-04-16 15:20:36 -07001483err_loopback:
Jeff Kirsher57128192006-01-12 16:50:28 -08001484 e1000_free_desc_rings(adapter);
1485out:
Linus Torvalds1da177e2005-04-16 15:20:36 -07001486 return *data;
1487}
1488
Joe Perches64798842008-07-11 15:17:02 -07001489static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001490{
Joe Perches1dc32912008-07-11 15:17:08 -07001491 struct e1000_hw *hw = &adapter->hw;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001492 *data = 0;
Joe Perches1dc32912008-07-11 15:17:08 -07001493 if (hw->media_type == e1000_media_type_internal_serdes) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001494 int i = 0;
Krzysztof Majzerowicz-Jaszcz887a79f2014-08-27 07:10:58 +00001495
Jesse Brandeburgbe0f0712009-09-25 12:17:44 +00001496 hw->serdes_has_link = false;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001497
Malli Chilakala26483452005-04-28 19:44:46 -07001498 /* On some blade server designs, link establishment
Jeff Kirsher6cfbd972013-02-09 12:49:21 +00001499 * could take as long as 2-3 minutes
1500 */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001501 do {
Joe Perches1dc32912008-07-11 15:17:08 -07001502 e1000_check_for_link(hw);
Jesse Brandeburgbe0f0712009-09-25 12:17:44 +00001503 if (hw->serdes_has_link)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001504 return *data;
Jeff Garzikf8ec4732006-09-19 15:27:07 -04001505 msleep(20);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001506 } while (i++ < 3750);
1507
Malli Chilakala26483452005-04-28 19:44:46 -07001508 *data = 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001509 } else {
Joe Perches1dc32912008-07-11 15:17:08 -07001510 e1000_check_for_link(hw);
1511 if (hw->autoneg) /* if auto_neg is set wait for it */
Jeff Garzikf8ec4732006-09-19 15:27:07 -04001512 msleep(4000);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001513
Krzysztof Majzerowicz-Jaszcz887a79f2014-08-27 07:10:58 +00001514 if (!(er32(STATUS) & E1000_STATUS_LU))
Linus Torvalds1da177e2005-04-16 15:20:36 -07001515 *data = 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001516 }
1517 return *data;
1518}
1519
Joe Perches64798842008-07-11 15:17:02 -07001520static int e1000_get_sset_count(struct net_device *netdev, int sset)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001521{
Jeff Garzikb9f2c042007-10-03 18:07:32 -07001522 switch (sset) {
1523 case ETH_SS_TEST:
1524 return E1000_TEST_LEN;
1525 case ETH_SS_STATS:
1526 return E1000_STATS_LEN;
1527 default:
1528 return -EOPNOTSUPP;
1529 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001530}
1531
Joe Perches64798842008-07-11 15:17:02 -07001532static void e1000_diag_test(struct net_device *netdev,
1533 struct ethtool_test *eth_test, u64 *data)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001534{
Malli Chilakala60490fe2005-06-17 17:41:45 -07001535 struct e1000_adapter *adapter = netdev_priv(netdev);
Joe Perches1dc32912008-07-11 15:17:08 -07001536 struct e1000_hw *hw = &adapter->hw;
Joe Perchesc3033b02008-03-21 11:06:25 -07001537 bool if_running = netif_running(netdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001538
Auke Kok1314bbf2006-09-27 12:54:02 -07001539 set_bit(__E1000_TESTING, &adapter->flags);
Jesse Brandeburg96838a42006-01-18 13:01:39 -08001540 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001541 /* Offline tests */
1542
1543 /* save speed, duplex, autoneg settings */
Joe Perches1dc32912008-07-11 15:17:08 -07001544 u16 autoneg_advertised = hw->autoneg_advertised;
1545 u8 forced_speed_duplex = hw->forced_speed_duplex;
1546 u8 autoneg = hw->autoneg;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001547
Emil Tantilovfeb8f472010-07-26 23:37:21 -07001548 e_info(hw, "offline testing starting\n");
Jesse Brandeburgd6582662006-08-16 13:31:33 -07001549
Linus Torvalds1da177e2005-04-16 15:20:36 -07001550 /* Link test performed before hardware reset so autoneg doesn't
Jeff Kirsher6cfbd972013-02-09 12:49:21 +00001551 * interfere with test result
1552 */
Jesse Brandeburg96838a42006-01-18 13:01:39 -08001553 if (e1000_link_test(adapter, &data[4]))
Linus Torvalds1da177e2005-04-16 15:20:36 -07001554 eth_test->flags |= ETH_TEST_FL_FAILED;
1555
Jesse Brandeburg96838a42006-01-18 13:01:39 -08001556 if (if_running)
Auke Kok2db10a02006-06-27 09:06:28 -07001557 /* indicate we're in test mode */
1558 dev_close(netdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001559 else
1560 e1000_reset(adapter);
1561
Jesse Brandeburg96838a42006-01-18 13:01:39 -08001562 if (e1000_reg_test(adapter, &data[0]))
Linus Torvalds1da177e2005-04-16 15:20:36 -07001563 eth_test->flags |= ETH_TEST_FL_FAILED;
1564
1565 e1000_reset(adapter);
Jesse Brandeburg96838a42006-01-18 13:01:39 -08001566 if (e1000_eeprom_test(adapter, &data[1]))
Linus Torvalds1da177e2005-04-16 15:20:36 -07001567 eth_test->flags |= ETH_TEST_FL_FAILED;
1568
1569 e1000_reset(adapter);
Jesse Brandeburg96838a42006-01-18 13:01:39 -08001570 if (e1000_intr_test(adapter, &data[2]))
Linus Torvalds1da177e2005-04-16 15:20:36 -07001571 eth_test->flags |= ETH_TEST_FL_FAILED;
1572
1573 e1000_reset(adapter);
Jesse Brandeburgd6582662006-08-16 13:31:33 -07001574 /* make sure the phy is powered up */
1575 e1000_power_up_phy(adapter);
Jesse Brandeburg96838a42006-01-18 13:01:39 -08001576 if (e1000_loopback_test(adapter, &data[3]))
Linus Torvalds1da177e2005-04-16 15:20:36 -07001577 eth_test->flags |= ETH_TEST_FL_FAILED;
1578
1579 /* restore speed, duplex, autoneg settings */
Joe Perches1dc32912008-07-11 15:17:08 -07001580 hw->autoneg_advertised = autoneg_advertised;
1581 hw->forced_speed_duplex = forced_speed_duplex;
1582 hw->autoneg = autoneg;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001583
1584 e1000_reset(adapter);
Auke Kok1314bbf2006-09-27 12:54:02 -07001585 clear_bit(__E1000_TESTING, &adapter->flags);
Jesse Brandeburg96838a42006-01-18 13:01:39 -08001586 if (if_running)
Auke Kok2db10a02006-06-27 09:06:28 -07001587 dev_open(netdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001588 } else {
Emil Tantilovfeb8f472010-07-26 23:37:21 -07001589 e_info(hw, "online testing starting\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -07001590 /* Online tests */
Jesse Brandeburg96838a42006-01-18 13:01:39 -08001591 if (e1000_link_test(adapter, &data[4]))
Linus Torvalds1da177e2005-04-16 15:20:36 -07001592 eth_test->flags |= ETH_TEST_FL_FAILED;
1593
Auke Kok90fb5132006-11-01 08:47:30 -08001594 /* Online tests aren't run; pass by default */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001595 data[0] = 0;
1596 data[1] = 0;
1597 data[2] = 0;
1598 data[3] = 0;
Auke Kok2db10a02006-06-27 09:06:28 -07001599
Auke Kok1314bbf2006-09-27 12:54:02 -07001600 clear_bit(__E1000_TESTING, &adapter->flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001601 }
Mallikarjuna R Chilakala352c9f82005-10-04 07:07:24 -04001602 msleep_interruptible(4 * 1000);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001603}
1604
Joe Perches64798842008-07-11 15:17:02 -07001605static int e1000_wol_exclusion(struct e1000_adapter *adapter,
1606 struct ethtool_wolinfo *wol)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001607{
Linus Torvalds1da177e2005-04-16 15:20:36 -07001608 struct e1000_hw *hw = &adapter->hw;
Jesse Brandeburg120cd572006-08-31 14:27:46 -07001609 int retval = 1; /* fail by default */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001610
Jesse Brandeburg120cd572006-08-31 14:27:46 -07001611 switch (hw->device_id) {
Auke Kokdc1f71f2006-10-24 14:45:55 -07001612 case E1000_DEV_ID_82542:
Linus Torvalds1da177e2005-04-16 15:20:36 -07001613 case E1000_DEV_ID_82543GC_FIBER:
1614 case E1000_DEV_ID_82543GC_COPPER:
1615 case E1000_DEV_ID_82544EI_FIBER:
1616 case E1000_DEV_ID_82546EB_QUAD_COPPER:
1617 case E1000_DEV_ID_82545EM_FIBER:
1618 case E1000_DEV_ID_82545EM_COPPER:
Jeff Kirsher84916822006-03-02 18:18:48 -08001619 case E1000_DEV_ID_82546GB_QUAD_COPPER:
Jesse Brandeburg120cd572006-08-31 14:27:46 -07001620 case E1000_DEV_ID_82546GB_PCIE:
1621 /* these don't support WoL at all */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001622 wol->supported = 0;
Jesse Brandeburg120cd572006-08-31 14:27:46 -07001623 break;
1624 case E1000_DEV_ID_82546EB_FIBER:
1625 case E1000_DEV_ID_82546GB_FIBER:
Jesse Brandeburg120cd572006-08-31 14:27:46 -07001626 /* Wake events not supported on port B */
Joe Perches1dc32912008-07-11 15:17:08 -07001627 if (er32(STATUS) & E1000_STATUS_FUNC_1) {
Jesse Brandeburg120cd572006-08-31 14:27:46 -07001628 wol->supported = 0;
1629 break;
1630 }
1631 /* return success for non excluded adapter ports */
1632 retval = 0;
1633 break;
1634 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1635 /* quad port adapters only support WoL on port A */
1636 if (!adapter->quad_port_a) {
1637 wol->supported = 0;
1638 break;
1639 }
1640 /* return success for non excluded adapter ports */
1641 retval = 0;
1642 break;
1643 default:
1644 /* dual port cards only support WoL on port A from now on
1645 * unless it was enabled in the eeprom for port B
Jeff Kirsher6cfbd972013-02-09 12:49:21 +00001646 * so exclude FUNC_1 ports from having WoL enabled
1647 */
Joe Perches1dc32912008-07-11 15:17:08 -07001648 if (er32(STATUS) & E1000_STATUS_FUNC_1 &&
Jesse Brandeburg120cd572006-08-31 14:27:46 -07001649 !adapter->eeprom_wol) {
1650 wol->supported = 0;
1651 break;
1652 }
1653
1654 retval = 0;
1655 }
1656
1657 return retval;
1658}
1659
Joe Perches64798842008-07-11 15:17:02 -07001660static void e1000_get_wol(struct net_device *netdev,
1661 struct ethtool_wolinfo *wol)
Jesse Brandeburg120cd572006-08-31 14:27:46 -07001662{
1663 struct e1000_adapter *adapter = netdev_priv(netdev);
Joe Perches1dc32912008-07-11 15:17:08 -07001664 struct e1000_hw *hw = &adapter->hw;
Jesse Brandeburg120cd572006-08-31 14:27:46 -07001665
Krzysztof Majzerowicz-Jaszcz887a79f2014-08-27 07:10:58 +00001666 wol->supported = WAKE_UCAST | WAKE_MCAST | WAKE_BCAST | WAKE_MAGIC;
Jesse Brandeburg120cd572006-08-31 14:27:46 -07001667 wol->wolopts = 0;
1668
1669 /* this function will set ->supported = 0 and return 1 if wol is not
Jeff Kirsher6cfbd972013-02-09 12:49:21 +00001670 * supported by this hardware
1671 */
\"Rafael J. Wysocki\de126482008-11-07 20:30:19 +00001672 if (e1000_wol_exclusion(adapter, wol) ||
1673 !device_can_wakeup(&adapter->pdev->dev))
Linus Torvalds1da177e2005-04-16 15:20:36 -07001674 return;
1675
Jesse Brandeburg120cd572006-08-31 14:27:46 -07001676 /* apply any specific unsupported masks here */
Joe Perches1dc32912008-07-11 15:17:08 -07001677 switch (hw->device_id) {
Jeff Kirsher84916822006-03-02 18:18:48 -08001678 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
Masanari Iidad7558142012-08-22 18:40:21 +09001679 /* KSP3 does not support UCAST wake-ups */
Jesse Brandeburg120cd572006-08-31 14:27:46 -07001680 wol->supported &= ~WAKE_UCAST;
Jeff Kirsher84916822006-03-02 18:18:48 -08001681
1682 if (adapter->wol & E1000_WUFC_EX)
Emil Tantilovfeb8f472010-07-26 23:37:21 -07001683 e_err(drv, "Interface does not support directed "
1684 "(unicast) frame wake-up packets\n");
Jesse Brandeburg120cd572006-08-31 14:27:46 -07001685 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001686 default:
Jesse Brandeburg120cd572006-08-31 14:27:46 -07001687 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001688 }
Jesse Brandeburg120cd572006-08-31 14:27:46 -07001689
1690 if (adapter->wol & E1000_WUFC_EX)
1691 wol->wolopts |= WAKE_UCAST;
1692 if (adapter->wol & E1000_WUFC_MC)
1693 wol->wolopts |= WAKE_MCAST;
1694 if (adapter->wol & E1000_WUFC_BC)
1695 wol->wolopts |= WAKE_BCAST;
1696 if (adapter->wol & E1000_WUFC_MAG)
1697 wol->wolopts |= WAKE_MAGIC;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001698}
1699
Joe Perches64798842008-07-11 15:17:02 -07001700static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001701{
Malli Chilakala60490fe2005-06-17 17:41:45 -07001702 struct e1000_adapter *adapter = netdev_priv(netdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001703 struct e1000_hw *hw = &adapter->hw;
1704
Jesse Brandeburg120cd572006-08-31 14:27:46 -07001705 if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1706 return -EOPNOTSUPP;
1707
\"Rafael J. Wysocki\de126482008-11-07 20:30:19 +00001708 if (e1000_wol_exclusion(adapter, wol) ||
1709 !device_can_wakeup(&adapter->pdev->dev))
Linus Torvalds1da177e2005-04-16 15:20:36 -07001710 return wol->wolopts ? -EOPNOTSUPP : 0;
1711
Jesse Brandeburg120cd572006-08-31 14:27:46 -07001712 switch (hw->device_id) {
Jeff Kirsher84916822006-03-02 18:18:48 -08001713 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
Jeff Kirsher84916822006-03-02 18:18:48 -08001714 if (wol->wolopts & WAKE_UCAST) {
Emil Tantilovfeb8f472010-07-26 23:37:21 -07001715 e_err(drv, "Interface does not support directed "
1716 "(unicast) frame wake-up packets\n");
Jeff Kirsher84916822006-03-02 18:18:48 -08001717 return -EOPNOTSUPP;
1718 }
Jesse Brandeburg120cd572006-08-31 14:27:46 -07001719 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001720 default:
Jesse Brandeburg120cd572006-08-31 14:27:46 -07001721 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001722 }
1723
Jesse Brandeburg120cd572006-08-31 14:27:46 -07001724 /* these settings will always override what we currently have */
1725 adapter->wol = 0;
1726
1727 if (wol->wolopts & WAKE_UCAST)
1728 adapter->wol |= E1000_WUFC_EX;
1729 if (wol->wolopts & WAKE_MCAST)
1730 adapter->wol |= E1000_WUFC_MC;
1731 if (wol->wolopts & WAKE_BCAST)
1732 adapter->wol |= E1000_WUFC_BC;
1733 if (wol->wolopts & WAKE_MAGIC)
1734 adapter->wol |= E1000_WUFC_MAG;
1735
\"Rafael J. Wysocki\de126482008-11-07 20:30:19 +00001736 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1737
Linus Torvalds1da177e2005-04-16 15:20:36 -07001738 return 0;
1739}
1740
Jeff Kirsher64359092011-05-03 05:26:13 +00001741static int e1000_set_phys_id(struct net_device *netdev,
1742 enum ethtool_phys_id_state state)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001743{
Malli Chilakala60490fe2005-06-17 17:41:45 -07001744 struct e1000_adapter *adapter = netdev_priv(netdev);
Joe Perches1dc32912008-07-11 15:17:08 -07001745 struct e1000_hw *hw = &adapter->hw;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001746
Jeff Kirsher64359092011-05-03 05:26:13 +00001747 switch (state) {
1748 case ETHTOOL_ID_ACTIVE:
1749 e1000_setup_led(hw);
1750 return 2;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001751
Jeff Kirsher64359092011-05-03 05:26:13 +00001752 case ETHTOOL_ID_ON:
1753 e1000_led_on(hw);
1754 break;
1755
1756 case ETHTOOL_ID_OFF:
1757 e1000_led_off(hw);
1758 break;
1759
1760 case ETHTOOL_ID_INACTIVE:
1761 e1000_cleanup_led(hw);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001762 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001763
1764 return 0;
1765}
1766
Jesse Brandeburg94c9e5a2009-07-06 10:44:20 +00001767static int e1000_get_coalesce(struct net_device *netdev,
1768 struct ethtool_coalesce *ec)
1769{
1770 struct e1000_adapter *adapter = netdev_priv(netdev);
1771
1772 if (adapter->hw.mac_type < e1000_82545)
1773 return -EOPNOTSUPP;
1774
Jesse Brandeburgeab2abf2010-05-04 22:26:03 +00001775 if (adapter->itr_setting <= 4)
Jesse Brandeburg94c9e5a2009-07-06 10:44:20 +00001776 ec->rx_coalesce_usecs = adapter->itr_setting;
1777 else
1778 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1779
1780 return 0;
1781}
1782
1783static int e1000_set_coalesce(struct net_device *netdev,
1784 struct ethtool_coalesce *ec)
1785{
1786 struct e1000_adapter *adapter = netdev_priv(netdev);
1787 struct e1000_hw *hw = &adapter->hw;
1788
1789 if (hw->mac_type < e1000_82545)
1790 return -EOPNOTSUPP;
1791
1792 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
Jesse Brandeburgeab2abf2010-05-04 22:26:03 +00001793 ((ec->rx_coalesce_usecs > 4) &&
Jesse Brandeburg94c9e5a2009-07-06 10:44:20 +00001794 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1795 (ec->rx_coalesce_usecs == 2))
1796 return -EINVAL;
1797
Jesse Brandeburgeab2abf2010-05-04 22:26:03 +00001798 if (ec->rx_coalesce_usecs == 4) {
1799 adapter->itr = adapter->itr_setting = 4;
1800 } else if (ec->rx_coalesce_usecs <= 3) {
Jesse Brandeburg94c9e5a2009-07-06 10:44:20 +00001801 adapter->itr = 20000;
1802 adapter->itr_setting = ec->rx_coalesce_usecs;
1803 } else {
1804 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1805 adapter->itr_setting = adapter->itr & ~3;
1806 }
1807
1808 if (adapter->itr_setting != 0)
1809 ew32(ITR, 1000000000 / (adapter->itr * 256));
1810 else
1811 ew32(ITR, 0);
1812
1813 return 0;
1814}
1815
Joe Perches64798842008-07-11 15:17:02 -07001816static int e1000_nway_reset(struct net_device *netdev)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001817{
Malli Chilakala60490fe2005-06-17 17:41:45 -07001818 struct e1000_adapter *adapter = netdev_priv(netdev);
Krzysztof Majzerowicz-Jaszcz887a79f2014-08-27 07:10:58 +00001819
Auke Kok2db10a02006-06-27 09:06:28 -07001820 if (netif_running(netdev))
1821 e1000_reinit_locked(adapter);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001822 return 0;
1823}
1824
Joe Perches64798842008-07-11 15:17:02 -07001825static void e1000_get_ethtool_stats(struct net_device *netdev,
1826 struct ethtool_stats *stats, u64 *data)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001827{
Malli Chilakala60490fe2005-06-17 17:41:45 -07001828 struct e1000_adapter *adapter = netdev_priv(netdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001829 int i;
Ajit Khaparde8328c382009-10-13 01:45:48 +00001830 char *p = NULL;
Krzysztof Majzerowicz-Jaszcz887a79f2014-08-27 07:10:58 +00001831 const struct e1000_stats *stat = e1000_gstrings_stats;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001832
1833 e1000_update_stats(adapter);
Jeff Kirsher7bfa4812006-01-12 16:50:41 -08001834 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
Krzysztof Majzerowicz-Jaszcz887a79f2014-08-27 07:10:58 +00001835 switch (stat->type) {
Ajit Khaparde8328c382009-10-13 01:45:48 +00001836 case NETDEV_STATS:
Krzysztof Majzerowicz-Jaszcz887a79f2014-08-27 07:10:58 +00001837 p = (char *)netdev + stat->stat_offset;
Ajit Khaparde8328c382009-10-13 01:45:48 +00001838 break;
1839 case E1000_STATS:
Krzysztof Majzerowicz-Jaszcz887a79f2014-08-27 07:10:58 +00001840 p = (char *)adapter + stat->stat_offset;
1841 break;
1842 default:
1843 WARN_ONCE(1, "Invalid E1000 stat type: %u index %d\n",
1844 stat->type, i);
Ajit Khaparde8328c382009-10-13 01:45:48 +00001845 break;
1846 }
1847
Krzysztof Majzerowicz-Jaszcz887a79f2014-08-27 07:10:58 +00001848 if (stat->sizeof_stat == sizeof(u64))
1849 data[i] = *(u64 *)p;
1850 else
1851 data[i] = *(u32 *)p;
1852
1853 stat++;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001854 }
Jeff Kirsher6cfbd972013-02-09 12:49:21 +00001855/* BUG_ON(i != E1000_STATS_LEN); */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001856}
1857
Joe Perches64798842008-07-11 15:17:02 -07001858static void e1000_get_strings(struct net_device *netdev, u32 stringset,
1859 u8 *data)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001860{
Joe Perches406874a2008-04-03 10:06:32 -07001861 u8 *p = data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001862 int i;
1863
Jesse Brandeburg96838a42006-01-18 13:01:39 -08001864 switch (stringset) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001865 case ETH_SS_TEST:
Krzysztof Majzerowicz-Jaszcz887a79f2014-08-27 07:10:58 +00001866 memcpy(data, e1000_gstrings_test, sizeof(e1000_gstrings_test));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001867 break;
1868 case ETH_SS_STATS:
Jeff Kirsher7bfa4812006-01-12 16:50:41 -08001869 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1870 memcpy(p, e1000_gstrings_stats[i].stat_string,
1871 ETH_GSTRING_LEN);
1872 p += ETH_GSTRING_LEN;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001873 }
Jeff Kirsher6cfbd972013-02-09 12:49:21 +00001874 /* BUG_ON(p - data != E1000_STATS_LEN * ETH_GSTRING_LEN); */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001875 break;
1876 }
1877}
1878
Jeff Garzik7282d492006-09-13 14:30:00 -04001879static const struct ethtool_ops e1000_ethtool_ops = {
Jeff Kirsher6cfbd972013-02-09 12:49:21 +00001880 .get_settings = e1000_get_settings,
1881 .set_settings = e1000_set_settings,
1882 .get_drvinfo = e1000_get_drvinfo,
1883 .get_regs_len = e1000_get_regs_len,
1884 .get_regs = e1000_get_regs,
1885 .get_wol = e1000_get_wol,
1886 .set_wol = e1000_set_wol,
1887 .get_msglevel = e1000_get_msglevel,
1888 .set_msglevel = e1000_set_msglevel,
1889 .nway_reset = e1000_nway_reset,
1890 .get_link = e1000_get_link,
1891 .get_eeprom_len = e1000_get_eeprom_len,
1892 .get_eeprom = e1000_get_eeprom,
1893 .set_eeprom = e1000_set_eeprom,
1894 .get_ringparam = e1000_get_ringparam,
1895 .set_ringparam = e1000_set_ringparam,
1896 .get_pauseparam = e1000_get_pauseparam,
1897 .set_pauseparam = e1000_set_pauseparam,
1898 .self_test = e1000_diag_test,
1899 .get_strings = e1000_get_strings,
1900 .set_phys_id = e1000_set_phys_id,
1901 .get_ethtool_stats = e1000_get_ethtool_stats,
1902 .get_sset_count = e1000_get_sset_count,
1903 .get_coalesce = e1000_get_coalesce,
1904 .set_coalesce = e1000_set_coalesce,
Richard Cochrane10df2c2012-07-22 07:15:40 +00001905 .get_ts_info = ethtool_op_get_ts_info,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001906};
1907
1908void e1000_set_ethtool_ops(struct net_device *netdev)
1909{
Wilfried Klaebe7ad24ea2014-05-11 00:12:32 +00001910 netdev->ethtool_ops = &e1000_ethtool_ops;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001911}