]> bbs.cooldavid.org Git - net-next-2.6.git/blame - drivers/net/ixgbe/ixgbe_82598.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
[net-next-2.6.git] / drivers / net / ixgbe / ixgbe_82598.c
CommitLineData
9a799d71
AK
1/*******************************************************************************
2
3 Intel 10 Gigabit PCI Express Linux driver
8c47eaa7 4 Copyright(c) 1999 - 2010 Intel Corporation.
9a799d71
AK
5
6 This program is free software; you can redistribute it and/or modify it
7 under the terms and conditions of the GNU General Public License,
8 version 2, as published by the Free Software Foundation.
9
10 This program is distributed in the hope it will be useful, but WITHOUT
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 more details.
14
15 You should have received a copy of the GNU General Public License along with
16 this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
18
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
21
22 Contact Information:
9a799d71
AK
23 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
24 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
25
26*******************************************************************************/
27
28#include <linux/pci.h>
29#include <linux/delay.h>
30#include <linux/sched.h>
31
9c8eb720 32#include "ixgbe.h"
9a799d71
AK
33#include "ixgbe_phy.h"
34
35#define IXGBE_82598_MAX_TX_QUEUES 32
36#define IXGBE_82598_MAX_RX_QUEUES 64
37#define IXGBE_82598_RAR_ENTRIES 16
2c5645cf
CL
38#define IXGBE_82598_MC_TBL_SIZE 128
39#define IXGBE_82598_VFT_TBL_SIZE 128
9a799d71 40
c44ade9e
JB
41static s32 ixgbe_get_copper_link_capabilities_82598(struct ixgbe_hw *hw,
42 ixgbe_link_speed *speed,
43 bool *autoneg);
8620a103 44static s32 ixgbe_setup_copper_link_82598(struct ixgbe_hw *hw,
21ce849b
MC
45 ixgbe_link_speed speed,
46 bool autoneg,
47 bool autoneg_wait_to_complete);
c4900be0
DS
48static s32 ixgbe_read_i2c_eeprom_82598(struct ixgbe_hw *hw, u8 byte_offset,
49 u8 *eeprom_data);
9a799d71 50
202ff1ec
MC
51/**
52 * ixgbe_set_pcie_completion_timeout - set pci-e completion timeout
53 * @hw: pointer to the HW structure
54 *
55 * The defaults for 82598 should be in the range of 50us to 50ms,
56 * however the hardware default for these parts is 500us to 1ms which is less
57 * than the 10ms recommended by the pci-e spec. To address this we need to
58 * increase the value to either 10ms to 250ms for capability version 1 config,
59 * or 16ms to 55ms for version 2.
60 **/
7b25cdba 61static void ixgbe_set_pcie_completion_timeout(struct ixgbe_hw *hw)
202ff1ec
MC
62{
63 struct ixgbe_adapter *adapter = hw->back;
64 u32 gcr = IXGBE_READ_REG(hw, IXGBE_GCR);
65 u16 pcie_devctl2;
66
67 /* only take action if timeout value is defaulted to 0 */
68 if (gcr & IXGBE_GCR_CMPL_TMOUT_MASK)
69 goto out;
70
71 /*
72 * if capababilities version is type 1 we can write the
73 * timeout of 10ms to 250ms through the GCR register
74 */
75 if (!(gcr & IXGBE_GCR_CAP_VER2)) {
76 gcr |= IXGBE_GCR_CMPL_TMOUT_10ms;
77 goto out;
78 }
79
80 /*
81 * for version 2 capabilities we need to write the config space
82 * directly in order to set the completion timeout value for
83 * 16ms to 55ms
84 */
85 pci_read_config_word(adapter->pdev,
86 IXGBE_PCI_DEVICE_CONTROL2, &pcie_devctl2);
87 pcie_devctl2 |= IXGBE_PCI_DEVICE_CONTROL2_16ms;
88 pci_write_config_word(adapter->pdev,
89 IXGBE_PCI_DEVICE_CONTROL2, pcie_devctl2);
90out:
91 /* disable completion timeout resend */
92 gcr &= ~IXGBE_GCR_CMPL_TMOUT_RESEND;
93 IXGBE_WRITE_REG(hw, IXGBE_GCR, gcr);
94}
95
eb7f139c
PWJ
96/**
97 * ixgbe_get_pcie_msix_count_82598 - Gets MSI-X vector count
98 * @hw: pointer to hardware structure
99 *
100 * Read PCIe configuration space, and get the MSI-X vector count from
101 * the capabilities table.
102 **/
1aef47c4 103static u16 ixgbe_get_pcie_msix_count_82598(struct ixgbe_hw *hw)
eb7f139c
PWJ
104{
105 struct ixgbe_adapter *adapter = hw->back;
106 u16 msix_count;
107 pci_read_config_word(adapter->pdev, IXGBE_PCIE_MSIX_82598_CAPS,
108 &msix_count);
109 msix_count &= IXGBE_PCIE_MSIX_TBL_SZ_MASK;
110
111 /* MSI-X count is zero-based in HW, so increment to give proper value */
112 msix_count++;
113
114 return msix_count;
115}
116
c44ade9e
JB
117/**
118 */
9a799d71 119static s32 ixgbe_get_invariants_82598(struct ixgbe_hw *hw)
04f165ef
PW
120{
121 struct ixgbe_mac_info *mac = &hw->mac;
122
123 /* Call PHY identify routine to get the phy type */
124 ixgbe_identify_phy_generic(hw);
125
126 mac->mcft_size = IXGBE_82598_MC_TBL_SIZE;
127 mac->vft_size = IXGBE_82598_VFT_TBL_SIZE;
128 mac->num_rar_entries = IXGBE_82598_RAR_ENTRIES;
129 mac->max_rx_queues = IXGBE_82598_MAX_RX_QUEUES;
130 mac->max_tx_queues = IXGBE_82598_MAX_TX_QUEUES;
131 mac->max_msix_vectors = ixgbe_get_pcie_msix_count_82598(hw);
132
133 return 0;
134}
135
136/**
137 * ixgbe_init_phy_ops_82598 - PHY/SFP specific init
138 * @hw: pointer to hardware structure
139 *
140 * Initialize any function pointers that were not able to be
141 * set during get_invariants because the PHY/SFP type was
142 * not known. Perform the SFP init if necessary.
143 *
144 **/
7b25cdba 145static s32 ixgbe_init_phy_ops_82598(struct ixgbe_hw *hw)
9a799d71 146{
c44ade9e
JB
147 struct ixgbe_mac_info *mac = &hw->mac;
148 struct ixgbe_phy_info *phy = &hw->phy;
c4900be0
DS
149 s32 ret_val = 0;
150 u16 list_offset, data_offset;
c44ade9e 151
04f165ef
PW
152 /* Identify the PHY */
153 phy->ops.identify(hw);
03cfa205 154
04f165ef
PW
155 /* Overwrite the link function pointers if copper PHY */
156 if (mac->ops.get_media_type(hw) == ixgbe_media_type_copper) {
157 mac->ops.setup_link = &ixgbe_setup_copper_link_82598;
04f165ef
PW
158 mac->ops.get_link_capabilities =
159 &ixgbe_get_copper_link_capabilities_82598;
160 }
c44ade9e 161
04f165ef 162 switch (hw->phy.type) {
0befdb3e
JB
163 case ixgbe_phy_tn:
164 phy->ops.check_link = &ixgbe_check_phy_link_tnx;
165 phy->ops.get_firmware_version =
166 &ixgbe_get_phy_firmware_version_tnx;
167 break;
c4900be0
DS
168 case ixgbe_phy_nl:
169 phy->ops.reset = &ixgbe_reset_phy_nl;
170
171 /* Call SFP+ identify routine to get the SFP+ module type */
172 ret_val = phy->ops.identify_sfp(hw);
173 if (ret_val != 0)
174 goto out;
175 else if (hw->phy.sfp_type == ixgbe_sfp_type_unknown) {
176 ret_val = IXGBE_ERR_SFP_NOT_SUPPORTED;
177 goto out;
178 }
179
180 /* Check to see if SFP+ module is supported */
181 ret_val = ixgbe_get_sfp_init_sequence_offsets(hw,
04f165ef
PW
182 &list_offset,
183 &data_offset);
c4900be0
DS
184 if (ret_val != 0) {
185 ret_val = IXGBE_ERR_SFP_NOT_SUPPORTED;
186 goto out;
187 }
188 break;
c44ade9e
JB
189 default:
190 break;
191 }
192
c4900be0
DS
193out:
194 return ret_val;
9a799d71
AK
195}
196
202ff1ec
MC
197/**
198 * ixgbe_start_hw_82598 - Prepare hardware for Tx/Rx
199 * @hw: pointer to hardware structure
200 *
201 * Starts the hardware using the generic start_hw function.
202 * Then set pcie completion timeout
203 **/
7b25cdba 204static s32 ixgbe_start_hw_82598(struct ixgbe_hw *hw)
202ff1ec
MC
205{
206 s32 ret_val = 0;
207
208 ret_val = ixgbe_start_hw_generic(hw);
209
210 /* set the completion timeout for interface */
211 if (ret_val == 0)
212 ixgbe_set_pcie_completion_timeout(hw);
213
214 return ret_val;
215}
216
9a799d71 217/**
c44ade9e 218 * ixgbe_get_link_capabilities_82598 - Determines link capabilities
9a799d71
AK
219 * @hw: pointer to hardware structure
220 * @speed: pointer to link speed
221 * @autoneg: boolean auto-negotiation value
222 *
c44ade9e 223 * Determines the link capabilities by reading the AUTOC register.
9a799d71 224 **/
c44ade9e 225static s32 ixgbe_get_link_capabilities_82598(struct ixgbe_hw *hw,
b4617240
PW
226 ixgbe_link_speed *speed,
227 bool *autoneg)
9a799d71
AK
228{
229 s32 status = 0;
1eb99d5a 230 u32 autoc = 0;
9a799d71 231
3201d313
PWJ
232 /*
233 * Determine link capabilities based on the stored value of AUTOC,
1eb99d5a
PW
234 * which represents EEPROM defaults. If AUTOC value has not been
235 * stored, use the current register value.
3201d313 236 */
1eb99d5a
PW
237 if (hw->mac.orig_link_settings_stored)
238 autoc = hw->mac.orig_autoc;
239 else
240 autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
241
242 switch (autoc & IXGBE_AUTOC_LMS_MASK) {
9a799d71
AK
243 case IXGBE_AUTOC_LMS_1G_LINK_NO_AN:
244 *speed = IXGBE_LINK_SPEED_1GB_FULL;
245 *autoneg = false;
246 break;
247
248 case IXGBE_AUTOC_LMS_10G_LINK_NO_AN:
249 *speed = IXGBE_LINK_SPEED_10GB_FULL;
250 *autoneg = false;
251 break;
252
253 case IXGBE_AUTOC_LMS_1G_AN:
254 *speed = IXGBE_LINK_SPEED_1GB_FULL;
255 *autoneg = true;
256 break;
257
258 case IXGBE_AUTOC_LMS_KX4_AN:
259 case IXGBE_AUTOC_LMS_KX4_AN_1G_AN:
260 *speed = IXGBE_LINK_SPEED_UNKNOWN;
1eb99d5a 261 if (autoc & IXGBE_AUTOC_KX4_SUPP)
9a799d71 262 *speed |= IXGBE_LINK_SPEED_10GB_FULL;
1eb99d5a 263 if (autoc & IXGBE_AUTOC_KX_SUPP)
9a799d71
AK
264 *speed |= IXGBE_LINK_SPEED_1GB_FULL;
265 *autoneg = true;
266 break;
267
268 default:
269 status = IXGBE_ERR_LINK_SETUP;
270 break;
271 }
272
273 return status;
274}
275
276/**
c44ade9e 277 * ixgbe_get_copper_link_capabilities_82598 - Determines link capabilities
9a799d71
AK
278 * @hw: pointer to hardware structure
279 * @speed: pointer to link speed
280 * @autoneg: boolean auto-negotiation value
281 *
c44ade9e 282 * Determines the link capabilities by reading the AUTOC register.
9a799d71 283 **/
e855aac8
HE
284static s32 ixgbe_get_copper_link_capabilities_82598(struct ixgbe_hw *hw,
285 ixgbe_link_speed *speed,
286 bool *autoneg)
9a799d71
AK
287{
288 s32 status = IXGBE_ERR_LINK_SETUP;
289 u16 speed_ability;
290
291 *speed = 0;
292 *autoneg = true;
293
6b73e10d 294 status = hw->phy.ops.read_reg(hw, MDIO_SPEED, MDIO_MMD_PMAPMD,
b4617240 295 &speed_ability);
9a799d71
AK
296
297 if (status == 0) {
6b73e10d 298 if (speed_ability & MDIO_SPEED_10G)
9a799d71 299 *speed |= IXGBE_LINK_SPEED_10GB_FULL;
6b73e10d 300 if (speed_ability & MDIO_PMA_SPEED_1000)
9a799d71
AK
301 *speed |= IXGBE_LINK_SPEED_1GB_FULL;
302 }
303
304 return status;
305}
306
307/**
308 * ixgbe_get_media_type_82598 - Determines media type
309 * @hw: pointer to hardware structure
310 *
311 * Returns the media type (fiber, copper, backplane)
312 **/
313static enum ixgbe_media_type ixgbe_get_media_type_82598(struct ixgbe_hw *hw)
314{
315 enum ixgbe_media_type media_type;
316
317 /* Media type for I82598 is based on device ID */
318 switch (hw->device_id) {
1e336d0f 319 case IXGBE_DEV_ID_82598:
2f21bdd3 320 case IXGBE_DEV_ID_82598_BX:
1e336d0f
DS
321 media_type = ixgbe_media_type_backplane;
322 break;
9a799d71
AK
323 case IXGBE_DEV_ID_82598AF_DUAL_PORT:
324 case IXGBE_DEV_ID_82598AF_SINGLE_PORT:
c4900be0
DS
325 case IXGBE_DEV_ID_82598_DA_DUAL_PORT:
326 case IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM:
b95f5fcb 327 case IXGBE_DEV_ID_82598EB_XF_LR:
c4900be0 328 case IXGBE_DEV_ID_82598EB_SFP_LOM:
9a799d71
AK
329 media_type = ixgbe_media_type_fiber;
330 break;
6b1be199
PWJ
331 case IXGBE_DEV_ID_82598EB_CX4:
332 case IXGBE_DEV_ID_82598_CX4_DUAL_PORT:
333 media_type = ixgbe_media_type_cx4;
334 break;
0befdb3e 335 case IXGBE_DEV_ID_82598AT:
3845bec0 336 case IXGBE_DEV_ID_82598AT2:
0befdb3e
JB
337 media_type = ixgbe_media_type_copper;
338 break;
9a799d71
AK
339 default:
340 media_type = ixgbe_media_type_unknown;
341 break;
342 }
343
344 return media_type;
345}
346
c44ade9e 347/**
0ecc061d 348 * ixgbe_fc_enable_82598 - Enable flow control
c44ade9e
JB
349 * @hw: pointer to hardware structure
350 * @packetbuf_num: packet buffer number (0-7)
351 *
0ecc061d 352 * Enable flow control according to the current settings.
c44ade9e 353 **/
0ecc061d 354static s32 ixgbe_fc_enable_82598(struct ixgbe_hw *hw, s32 packetbuf_num)
c44ade9e 355{
0ecc061d
PWJ
356 s32 ret_val = 0;
357 u32 fctrl_reg;
c44ade9e 358 u32 rmcs_reg;
0ecc061d 359 u32 reg;
a626e847
DS
360 u32 link_speed = 0;
361 bool link_up;
c44ade9e 362
620fa036
MC
363#ifdef CONFIG_DCB
364 if (hw->fc.requested_mode == ixgbe_fc_pfc)
365 goto out;
366
367#endif /* CONFIG_DCB */
a626e847
DS
368 /*
369 * On 82598 having Rx FC on causes resets while doing 1G
370 * so if it's on turn it off once we know link_speed. For
371 * more details see 82598 Specification update.
372 */
373 hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
374 if (link_up && link_speed == IXGBE_LINK_SPEED_1GB_FULL) {
375 switch (hw->fc.requested_mode) {
376 case ixgbe_fc_full:
377 hw->fc.requested_mode = ixgbe_fc_tx_pause;
378 break;
379 case ixgbe_fc_rx_pause:
380 hw->fc.requested_mode = ixgbe_fc_none;
381 break;
382 default:
383 /* no change */
384 break;
385 }
386 }
387
620fa036
MC
388 /* Negotiate the fc mode to use */
389 ret_val = ixgbe_fc_autoneg(hw);
390 if (ret_val)
391 goto out;
392
393 /* Disable any previous flow control settings */
0ecc061d
PWJ
394 fctrl_reg = IXGBE_READ_REG(hw, IXGBE_FCTRL);
395 fctrl_reg &= ~(IXGBE_FCTRL_RFCE | IXGBE_FCTRL_RPFCE);
c44ade9e
JB
396
397 rmcs_reg = IXGBE_READ_REG(hw, IXGBE_RMCS);
398 rmcs_reg &= ~(IXGBE_RMCS_TFCE_PRIORITY | IXGBE_RMCS_TFCE_802_3X);
399
400 /*
0ecc061d 401 * The possible values of fc.current_mode are:
c44ade9e 402 * 0: Flow control is completely disabled
0ecc061d
PWJ
403 * 1: Rx flow control is enabled (we can receive pause frames,
404 * but not send pause frames).
620fa036 405 * 2: Tx flow control is enabled (we can send pause frames but
0ecc061d 406 * we do not support receiving pause frames).
c44ade9e
JB
407 * 3: Both Rx and Tx flow control (symmetric) are enabled.
408 * other: Invalid.
620fa036
MC
409#ifdef CONFIG_DCB
410 * 4: Priority Flow Control is enabled.
411#endif
c44ade9e 412 */
0ecc061d 413 switch (hw->fc.current_mode) {
c44ade9e 414 case ixgbe_fc_none:
620fa036
MC
415 /*
416 * Flow control is disabled by software override or autoneg.
417 * The code below will actually disable it in the HW.
418 */
c44ade9e
JB
419 break;
420 case ixgbe_fc_rx_pause:
421 /*
0ecc061d
PWJ
422 * Rx Flow control is enabled and Tx Flow control is
423 * disabled by software override. Since there really
424 * isn't a way to advertise that we are capable of RX
425 * Pause ONLY, we will advertise that we support both
426 * symmetric and asymmetric Rx PAUSE. Later, we will
427 * disable the adapter's ability to send PAUSE frames.
c44ade9e 428 */
0ecc061d 429 fctrl_reg |= IXGBE_FCTRL_RFCE;
c44ade9e
JB
430 break;
431 case ixgbe_fc_tx_pause:
432 /*
0ecc061d
PWJ
433 * Tx Flow control is enabled, and Rx Flow control is
434 * disabled by software override.
c44ade9e
JB
435 */
436 rmcs_reg |= IXGBE_RMCS_TFCE_802_3X;
437 break;
438 case ixgbe_fc_full:
0ecc061d
PWJ
439 /* Flow control (both Rx and Tx) is enabled by SW override. */
440 fctrl_reg |= IXGBE_FCTRL_RFCE;
c44ade9e
JB
441 rmcs_reg |= IXGBE_RMCS_TFCE_802_3X;
442 break;
620fa036
MC
443#ifdef CONFIG_DCB
444 case ixgbe_fc_pfc:
445 goto out;
446 break;
447#endif /* CONFIG_DCB */
c44ade9e 448 default:
c44ade9e 449 hw_dbg(hw, "Flow control param set incorrectly\n");
539e5f02 450 ret_val = IXGBE_ERR_CONFIG;
0ecc061d 451 goto out;
c44ade9e
JB
452 break;
453 }
454
620fa036 455 /* Set 802.3x based flow control settings. */
2132d381 456 fctrl_reg |= IXGBE_FCTRL_DPF;
0ecc061d 457 IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl_reg);
c44ade9e
JB
458 IXGBE_WRITE_REG(hw, IXGBE_RMCS, rmcs_reg);
459
0ecc061d
PWJ
460 /* Set up and enable Rx high/low water mark thresholds, enable XON. */
461 if (hw->fc.current_mode & ixgbe_fc_tx_pause) {
c44ade9e
JB
462 if (hw->fc.send_xon) {
463 IXGBE_WRITE_REG(hw, IXGBE_FCRTL(packetbuf_num),
464 (hw->fc.low_water | IXGBE_FCRTL_XONE));
465 } else {
466 IXGBE_WRITE_REG(hw, IXGBE_FCRTL(packetbuf_num),
467 hw->fc.low_water);
468 }
0ecc061d 469
c44ade9e 470 IXGBE_WRITE_REG(hw, IXGBE_FCRTH(packetbuf_num),
0ecc061d 471 (hw->fc.high_water | IXGBE_FCRTH_FCEN));
c44ade9e
JB
472 }
473
0ecc061d 474 /* Configure pause time (2 TCs per register) */
264857b8 475 reg = IXGBE_READ_REG(hw, IXGBE_FCTTV(packetbuf_num / 2));
0ecc061d
PWJ
476 if ((packetbuf_num & 1) == 0)
477 reg = (reg & 0xFFFF0000) | hw->fc.pause_time;
478 else
479 reg = (reg & 0x0000FFFF) | (hw->fc.pause_time << 16);
480 IXGBE_WRITE_REG(hw, IXGBE_FCTTV(packetbuf_num / 2), reg);
481
c44ade9e
JB
482 IXGBE_WRITE_REG(hw, IXGBE_FCRTV, (hw->fc.pause_time >> 1));
483
0ecc061d
PWJ
484out:
485 return ret_val;
486}
487
9a799d71 488/**
8620a103 489 * ixgbe_start_mac_link_82598 - Configures MAC link settings
9a799d71
AK
490 * @hw: pointer to hardware structure
491 *
492 * Configures link settings based on values in the ixgbe_hw struct.
493 * Restarts the link. Performs autonegotiation if needed.
494 **/
8620a103
MC
495static s32 ixgbe_start_mac_link_82598(struct ixgbe_hw *hw,
496 bool autoneg_wait_to_complete)
9a799d71
AK
497{
498 u32 autoc_reg;
499 u32 links_reg;
500 u32 i;
501 s32 status = 0;
502
9a799d71 503 /* Restart link */
3201d313 504 autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC);
9a799d71
AK
505 autoc_reg |= IXGBE_AUTOC_AN_RESTART;
506 IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc_reg);
507
508 /* Only poll for autoneg to complete if specified to do so */
8620a103 509 if (autoneg_wait_to_complete) {
3201d313
PWJ
510 if ((autoc_reg & IXGBE_AUTOC_LMS_MASK) ==
511 IXGBE_AUTOC_LMS_KX4_AN ||
512 (autoc_reg & IXGBE_AUTOC_LMS_MASK) ==
513 IXGBE_AUTOC_LMS_KX4_AN_1G_AN) {
9a799d71
AK
514 links_reg = 0; /* Just in case Autoneg time = 0 */
515 for (i = 0; i < IXGBE_AUTO_NEG_TIME; i++) {
516 links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
517 if (links_reg & IXGBE_LINKS_KX_AN_COMP)
518 break;
519 msleep(100);
520 }
521 if (!(links_reg & IXGBE_LINKS_KX_AN_COMP)) {
522 status = IXGBE_ERR_AUTONEG_NOT_COMPLETE;
c44ade9e 523 hw_dbg(hw, "Autonegotiation did not complete.\n");
9a799d71
AK
524 }
525 }
526 }
527
9a799d71
AK
528 /* Add delay to filter out noises during initial link setup */
529 msleep(50);
530
531 return status;
532}
533
734e979f
MC
534/**
535 * ixgbe_validate_link_ready - Function looks for phy link
536 * @hw: pointer to hardware structure
537 *
538 * Function indicates success when phy link is available. If phy is not ready
539 * within 5 seconds of MAC indicating link, the function returns error.
540 **/
541static s32 ixgbe_validate_link_ready(struct ixgbe_hw *hw)
542{
543 u32 timeout;
544 u16 an_reg;
545
546 if (hw->device_id != IXGBE_DEV_ID_82598AT2)
547 return 0;
548
549 for (timeout = 0;
550 timeout < IXGBE_VALIDATE_LINK_READY_TIMEOUT; timeout++) {
551 hw->phy.ops.read_reg(hw, MDIO_STAT1, MDIO_MMD_AN, &an_reg);
552
553 if ((an_reg & MDIO_AN_STAT1_COMPLETE) &&
554 (an_reg & MDIO_STAT1_LSTATUS))
555 break;
556
557 msleep(100);
558 }
559
560 if (timeout == IXGBE_VALIDATE_LINK_READY_TIMEOUT) {
561 hw_dbg(hw, "Link was indicated but link is down\n");
562 return IXGBE_ERR_LINK_SETUP;
563 }
564
565 return 0;
566}
567
9a799d71
AK
568/**
569 * ixgbe_check_mac_link_82598 - Get link/speed status
570 * @hw: pointer to hardware structure
571 * @speed: pointer to link speed
572 * @link_up: true is link is up, false otherwise
cf8280ee 573 * @link_up_wait_to_complete: bool used to wait for link up or not
9a799d71
AK
574 *
575 * Reads the links register to determine if link is up and the current speed
576 **/
b4617240
PW
577static s32 ixgbe_check_mac_link_82598(struct ixgbe_hw *hw,
578 ixgbe_link_speed *speed, bool *link_up,
579 bool link_up_wait_to_complete)
9a799d71
AK
580{
581 u32 links_reg;
cf8280ee 582 u32 i;
c4900be0
DS
583 u16 link_reg, adapt_comp_reg;
584
585 /*
586 * SERDES PHY requires us to read link status from register 0xC79F.
587 * Bit 0 set indicates link is up/ready; clear indicates link down.
588 * 0xC00C is read to check that the XAUI lanes are active. Bit 0
589 * clear indicates active; set indicates inactive.
590 */
591 if (hw->phy.type == ixgbe_phy_nl) {
6b73e10d
BH
592 hw->phy.ops.read_reg(hw, 0xC79F, MDIO_MMD_PMAPMD, &link_reg);
593 hw->phy.ops.read_reg(hw, 0xC79F, MDIO_MMD_PMAPMD, &link_reg);
594 hw->phy.ops.read_reg(hw, 0xC00C, MDIO_MMD_PMAPMD,
c4900be0
DS
595 &adapt_comp_reg);
596 if (link_up_wait_to_complete) {
597 for (i = 0; i < IXGBE_LINK_UP_TIME; i++) {
598 if ((link_reg & 1) &&
599 ((adapt_comp_reg & 1) == 0)) {
600 *link_up = true;
601 break;
602 } else {
603 *link_up = false;
604 }
605 msleep(100);
606 hw->phy.ops.read_reg(hw, 0xC79F,
6b73e10d 607 MDIO_MMD_PMAPMD,
c4900be0
DS
608 &link_reg);
609 hw->phy.ops.read_reg(hw, 0xC00C,
6b73e10d 610 MDIO_MMD_PMAPMD,
c4900be0
DS
611 &adapt_comp_reg);
612 }
613 } else {
614 if ((link_reg & 1) && ((adapt_comp_reg & 1) == 0))
615 *link_up = true;
616 else
617 *link_up = false;
618 }
619
620 if (*link_up == false)
621 goto out;
622 }
9a799d71
AK
623
624 links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
cf8280ee
JB
625 if (link_up_wait_to_complete) {
626 for (i = 0; i < IXGBE_LINK_UP_TIME; i++) {
627 if (links_reg & IXGBE_LINKS_UP) {
628 *link_up = true;
629 break;
630 } else {
631 *link_up = false;
632 }
633 msleep(100);
634 links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
635 }
636 } else {
637 if (links_reg & IXGBE_LINKS_UP)
638 *link_up = true;
639 else
640 *link_up = false;
641 }
9a799d71
AK
642
643 if (links_reg & IXGBE_LINKS_SPEED)
644 *speed = IXGBE_LINK_SPEED_10GB_FULL;
645 else
646 *speed = IXGBE_LINK_SPEED_1GB_FULL;
647
734e979f
MC
648 if ((hw->device_id == IXGBE_DEV_ID_82598AT2) && (*link_up == true) &&
649 (ixgbe_validate_link_ready(hw) != 0))
650 *link_up = false;
651
620fa036
MC
652 /* if link is down, zero out the current_mode */
653 if (*link_up == false) {
654 hw->fc.current_mode = ixgbe_fc_none;
655 hw->fc.fc_was_autonegged = false;
656 }
c4900be0 657out:
9a799d71
AK
658 return 0;
659}
660
c44ade9e 661
9a799d71 662/**
8620a103 663 * ixgbe_setup_mac_link_82598 - Set MAC link speed
9a799d71
AK
664 * @hw: pointer to hardware structure
665 * @speed: new link speed
666 * @autoneg: true if auto-negotiation enabled
667 * @autoneg_wait_to_complete: true if waiting is needed to complete
668 *
669 * Set the link speed in the AUTOC register and restarts link.
670 **/
8620a103 671static s32 ixgbe_setup_mac_link_82598(struct ixgbe_hw *hw,
3201d313
PWJ
672 ixgbe_link_speed speed, bool autoneg,
673 bool autoneg_wait_to_complete)
9a799d71 674{
3201d313
PWJ
675 s32 status = 0;
676 ixgbe_link_speed link_capabilities = IXGBE_LINK_SPEED_UNKNOWN;
677 u32 curr_autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
678 u32 autoc = curr_autoc;
679 u32 link_mode = autoc & IXGBE_AUTOC_LMS_MASK;
9a799d71 680
3201d313
PWJ
681 /* Check to see if speed passed in is supported. */
682 ixgbe_get_link_capabilities_82598(hw, &link_capabilities, &autoneg);
683 speed &= link_capabilities;
684
685 if (speed == IXGBE_LINK_SPEED_UNKNOWN)
9a799d71 686 status = IXGBE_ERR_LINK_SETUP;
3201d313
PWJ
687
688 /* Set KX4/KX support according to speed requested */
689 else if (link_mode == IXGBE_AUTOC_LMS_KX4_AN ||
690 link_mode == IXGBE_AUTOC_LMS_KX4_AN_1G_AN) {
691 autoc &= ~IXGBE_AUTOC_KX4_KX_SUPP_MASK;
692 if (speed & IXGBE_LINK_SPEED_10GB_FULL)
693 autoc |= IXGBE_AUTOC_KX4_SUPP;
694 if (speed & IXGBE_LINK_SPEED_1GB_FULL)
695 autoc |= IXGBE_AUTOC_KX_SUPP;
696 if (autoc != curr_autoc)
697 IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc);
9a799d71
AK
698 }
699
700 if (status == 0) {
9a799d71
AK
701 /*
702 * Setup and restart the link based on the new values in
703 * ixgbe_hw This will write the AUTOC register based on the new
704 * stored values
705 */
8620a103 706 status = ixgbe_start_mac_link_82598(hw, autoneg_wait_to_complete);
9a799d71
AK
707 }
708
709 return status;
710}
711
712
713/**
8620a103 714 * ixgbe_setup_copper_link_82598 - Set the PHY autoneg advertised field
9a799d71
AK
715 * @hw: pointer to hardware structure
716 * @speed: new link speed
717 * @autoneg: true if autonegotiation enabled
718 * @autoneg_wait_to_complete: true if waiting is needed to complete
719 *
720 * Sets the link speed in the AUTOC register in the MAC and restarts link.
721 **/
8620a103 722static s32 ixgbe_setup_copper_link_82598(struct ixgbe_hw *hw,
b4617240
PW
723 ixgbe_link_speed speed,
724 bool autoneg,
725 bool autoneg_wait_to_complete)
9a799d71 726{
c44ade9e 727 s32 status;
9a799d71
AK
728
729 /* Setup the PHY according to input speed */
b4617240
PW
730 status = hw->phy.ops.setup_link_speed(hw, speed, autoneg,
731 autoneg_wait_to_complete);
3957d63d 732
3957d63d 733 /* Set up MAC */
8620a103 734 ixgbe_start_mac_link_82598(hw, autoneg_wait_to_complete);
9a799d71
AK
735
736 return status;
737}
738
739/**
740 * ixgbe_reset_hw_82598 - Performs hardware reset
741 * @hw: pointer to hardware structure
742 *
c44ade9e 743 * Resets the hardware by resetting the transmit and receive units, masks and
9a799d71
AK
744 * clears all interrupts, performing a PHY reset, and performing a link (MAC)
745 * reset.
746 **/
747static s32 ixgbe_reset_hw_82598(struct ixgbe_hw *hw)
748{
749 s32 status = 0;
8ca783ab 750 s32 phy_status = 0;
9a799d71
AK
751 u32 ctrl;
752 u32 gheccr;
753 u32 i;
754 u32 autoc;
755 u8 analog_val;
756
757 /* Call adapter stop to disable tx/rx and clear interrupts */
c44ade9e 758 hw->mac.ops.stop_adapter(hw);
9a799d71
AK
759
760 /*
c44ade9e
JB
761 * Power up the Atlas Tx lanes if they are currently powered down.
762 * Atlas Tx lanes are powered down for MAC loopback tests, but
9a799d71
AK
763 * they are not automatically restored on reset.
764 */
c44ade9e 765 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, &analog_val);
9a799d71 766 if (analog_val & IXGBE_ATLAS_PDN_TX_REG_EN) {
c44ade9e
JB
767 /* Enable Tx Atlas so packets can be transmitted again */
768 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK,
769 &analog_val);
9a799d71 770 analog_val &= ~IXGBE_ATLAS_PDN_TX_REG_EN;
c44ade9e
JB
771 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK,
772 analog_val);
9a799d71 773
c44ade9e
JB
774 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_10G,
775 &analog_val);
9a799d71 776 analog_val &= ~IXGBE_ATLAS_PDN_TX_10G_QL_ALL;
c44ade9e
JB
777 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_10G,
778 analog_val);
9a799d71 779
c44ade9e
JB
780 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_1G,
781 &analog_val);
9a799d71 782 analog_val &= ~IXGBE_ATLAS_PDN_TX_1G_QL_ALL;
c44ade9e
JB
783 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_1G,
784 analog_val);
9a799d71 785
c44ade9e
JB
786 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_AN,
787 &analog_val);
9a799d71 788 analog_val &= ~IXGBE_ATLAS_PDN_TX_AN_QL_ALL;
c44ade9e
JB
789 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_AN,
790 analog_val);
9a799d71
AK
791 }
792
793 /* Reset PHY */
04f165ef
PW
794 if (hw->phy.reset_disable == false) {
795 /* PHY ops must be identified and initialized prior to reset */
796
797 /* Init PHY and function pointers, perform SFP setup */
8ca783ab
DS
798 phy_status = hw->phy.ops.init(hw);
799 if (phy_status == IXGBE_ERR_SFP_NOT_SUPPORTED)
04f165ef 800 goto reset_hw_out;
8ca783ab
DS
801 else if (phy_status == IXGBE_ERR_SFP_NOT_PRESENT)
802 goto no_phy_reset;
803
04f165ef 804
c44ade9e 805 hw->phy.ops.reset(hw);
04f165ef 806 }
9a799d71 807
8ca783ab 808no_phy_reset:
9a799d71
AK
809 /*
810 * Prevent the PCI-E bus from from hanging by disabling PCI-E master
811 * access and verify no pending requests before reset
812 */
04f165ef
PW
813 status = ixgbe_disable_pcie_master(hw);
814 if (status != 0) {
9a799d71
AK
815 status = IXGBE_ERR_MASTER_REQUESTS_PENDING;
816 hw_dbg(hw, "PCI-E Master disable polling has failed.\n");
817 }
818
819 /*
820 * Issue global reset to the MAC. This needs to be a SW reset.
821 * If link reset is used, it might reset the MAC when mng is using it
822 */
823 ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL);
824 IXGBE_WRITE_REG(hw, IXGBE_CTRL, (ctrl | IXGBE_CTRL_RST));
825 IXGBE_WRITE_FLUSH(hw);
826
827 /* Poll for reset bit to self-clear indicating reset is complete */
828 for (i = 0; i < 10; i++) {
829 udelay(1);
830 ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL);
831 if (!(ctrl & IXGBE_CTRL_RST))
832 break;
833 }
834 if (ctrl & IXGBE_CTRL_RST) {
835 status = IXGBE_ERR_RESET_FAILED;
836 hw_dbg(hw, "Reset polling failed to complete.\n");
837 }
838
839 msleep(50);
840
841 gheccr = IXGBE_READ_REG(hw, IXGBE_GHECCR);
842 gheccr &= ~((1 << 21) | (1 << 18) | (1 << 9) | (1 << 6));
843 IXGBE_WRITE_REG(hw, IXGBE_GHECCR, gheccr);
844
845 /*
3201d313
PWJ
846 * Store the original AUTOC value if it has not been
847 * stored off yet. Otherwise restore the stored original
848 * AUTOC value since the reset operation sets back to deaults.
9a799d71
AK
849 */
850 autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
3201d313
PWJ
851 if (hw->mac.orig_link_settings_stored == false) {
852 hw->mac.orig_autoc = autoc;
853 hw->mac.orig_link_settings_stored = true;
854 } else if (autoc != hw->mac.orig_autoc) {
855 IXGBE_WRITE_REG(hw, IXGBE_AUTOC, hw->mac.orig_autoc);
9a799d71
AK
856 }
857
aca6bee7
WJP
858 /*
859 * Store MAC address from RAR0, clear receive address registers, and
860 * clear the multicast table
861 */
862 hw->mac.ops.init_rx_addrs(hw);
863
9a799d71 864 /* Store the permanent mac address */
c44ade9e 865 hw->mac.ops.get_mac_addr(hw, hw->mac.perm_addr);
9a799d71 866
04f165ef 867reset_hw_out:
8ca783ab
DS
868 if (phy_status)
869 status = phy_status;
870
9a799d71
AK
871 return status;
872}
873
c44ade9e
JB
874/**
875 * ixgbe_set_vmdq_82598 - Associate a VMDq set index with a rx address
876 * @hw: pointer to hardware struct
877 * @rar: receive address register index to associate with a VMDq index
878 * @vmdq: VMDq set index
879 **/
e855aac8 880static s32 ixgbe_set_vmdq_82598(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
c44ade9e
JB
881{
882 u32 rar_high;
883
884 rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(rar));
885 rar_high &= ~IXGBE_RAH_VIND_MASK;
886 rar_high |= ((vmdq << IXGBE_RAH_VIND_SHIFT) & IXGBE_RAH_VIND_MASK);
887 IXGBE_WRITE_REG(hw, IXGBE_RAH(rar), rar_high);
888 return 0;
889}
890
891/**
892 * ixgbe_clear_vmdq_82598 - Disassociate a VMDq set index from an rx address
893 * @hw: pointer to hardware struct
894 * @rar: receive address register index to associate with a VMDq index
895 * @vmdq: VMDq clear index (not used in 82598, but elsewhere)
896 **/
897static s32 ixgbe_clear_vmdq_82598(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
898{
899 u32 rar_high;
900 u32 rar_entries = hw->mac.num_rar_entries;
901
902 if (rar < rar_entries) {
903 rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(rar));
904 if (rar_high & IXGBE_RAH_VIND_MASK) {
905 rar_high &= ~IXGBE_RAH_VIND_MASK;
906 IXGBE_WRITE_REG(hw, IXGBE_RAH(rar), rar_high);
907 }
908 } else {
909 hw_dbg(hw, "RAR index %d is out of range.\n", rar);
910 }
911
912 return 0;
913}
914
915/**
916 * ixgbe_set_vfta_82598 - Set VLAN filter table
917 * @hw: pointer to hardware structure
918 * @vlan: VLAN id to write to VLAN filter
919 * @vind: VMDq output index that maps queue to VLAN id in VFTA
920 * @vlan_on: boolean flag to turn on/off VLAN in VFTA
921 *
922 * Turn on/off specified VLAN in the VLAN filter table.
923 **/
e855aac8
HE
924static s32 ixgbe_set_vfta_82598(struct ixgbe_hw *hw, u32 vlan, u32 vind,
925 bool vlan_on)
c44ade9e
JB
926{
927 u32 regindex;
928 u32 bitindex;
929 u32 bits;
930 u32 vftabyte;
931
932 if (vlan > 4095)
933 return IXGBE_ERR_PARAM;
934
935 /* Determine 32-bit word position in array */
936 regindex = (vlan >> 5) & 0x7F; /* upper seven bits */
937
938 /* Determine the location of the (VMD) queue index */
939 vftabyte = ((vlan >> 3) & 0x03); /* bits (4:3) indicating byte array */
940 bitindex = (vlan & 0x7) << 2; /* lower 3 bits indicate nibble */
941
942 /* Set the nibble for VMD queue index */
943 bits = IXGBE_READ_REG(hw, IXGBE_VFTAVIND(vftabyte, regindex));
944 bits &= (~(0x0F << bitindex));
945 bits |= (vind << bitindex);
946 IXGBE_WRITE_REG(hw, IXGBE_VFTAVIND(vftabyte, regindex), bits);
947
948 /* Determine the location of the bit for this VLAN id */
949 bitindex = vlan & 0x1F; /* lower five bits */
950
951 bits = IXGBE_READ_REG(hw, IXGBE_VFTA(regindex));
952 if (vlan_on)
953 /* Turn on this VLAN id */
954 bits |= (1 << bitindex);
955 else
956 /* Turn off this VLAN id */
957 bits &= ~(1 << bitindex);
958 IXGBE_WRITE_REG(hw, IXGBE_VFTA(regindex), bits);
959
960 return 0;
961}
962
963/**
964 * ixgbe_clear_vfta_82598 - Clear VLAN filter table
965 * @hw: pointer to hardware structure
966 *
967 * Clears the VLAN filer table, and the VMDq index associated with the filter
968 **/
969static s32 ixgbe_clear_vfta_82598(struct ixgbe_hw *hw)
970{
971 u32 offset;
972 u32 vlanbyte;
973
974 for (offset = 0; offset < hw->mac.vft_size; offset++)
975 IXGBE_WRITE_REG(hw, IXGBE_VFTA(offset), 0);
976
977 for (vlanbyte = 0; vlanbyte < 4; vlanbyte++)
978 for (offset = 0; offset < hw->mac.vft_size; offset++)
979 IXGBE_WRITE_REG(hw, IXGBE_VFTAVIND(vlanbyte, offset),
b4617240 980 0);
c44ade9e
JB
981
982 return 0;
983}
984
c44ade9e
JB
985/**
986 * ixgbe_read_analog_reg8_82598 - Reads 8 bit Atlas analog register
987 * @hw: pointer to hardware structure
988 * @reg: analog register to read
989 * @val: read value
990 *
991 * Performs read operation to Atlas analog register specified.
992 **/
e855aac8 993static s32 ixgbe_read_analog_reg8_82598(struct ixgbe_hw *hw, u32 reg, u8 *val)
c44ade9e
JB
994{
995 u32 atlas_ctl;
996
997 IXGBE_WRITE_REG(hw, IXGBE_ATLASCTL,
998 IXGBE_ATLASCTL_WRITE_CMD | (reg << 8));
999 IXGBE_WRITE_FLUSH(hw);
1000 udelay(10);
1001 atlas_ctl = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
1002 *val = (u8)atlas_ctl;
1003
1004 return 0;
1005}
1006
1007/**
1008 * ixgbe_write_analog_reg8_82598 - Writes 8 bit Atlas analog register
1009 * @hw: pointer to hardware structure
1010 * @reg: atlas register to write
1011 * @val: value to write
1012 *
1013 * Performs write operation to Atlas analog register specified.
1014 **/
e855aac8 1015static s32 ixgbe_write_analog_reg8_82598(struct ixgbe_hw *hw, u32 reg, u8 val)
c44ade9e
JB
1016{
1017 u32 atlas_ctl;
1018
1019 atlas_ctl = (reg << 8) | val;
1020 IXGBE_WRITE_REG(hw, IXGBE_ATLASCTL, atlas_ctl);
1021 IXGBE_WRITE_FLUSH(hw);
1022 udelay(10);
1023
1024 return 0;
1025}
1026
c4900be0
DS
1027/**
1028 * ixgbe_read_i2c_eeprom_82598 - Read 8 bit EEPROM word of an SFP+ module
1029 * over I2C interface through an intermediate phy.
1030 * @hw: pointer to hardware structure
1031 * @byte_offset: EEPROM byte offset to read
1032 * @eeprom_data: value read
1033 *
1034 * Performs byte read operation to SFP module's EEPROM over I2C interface.
1035 **/
e855aac8
HE
1036static s32 ixgbe_read_i2c_eeprom_82598(struct ixgbe_hw *hw, u8 byte_offset,
1037 u8 *eeprom_data)
c4900be0
DS
1038{
1039 s32 status = 0;
1040 u16 sfp_addr = 0;
1041 u16 sfp_data = 0;
1042 u16 sfp_stat = 0;
1043 u32 i;
1044
1045 if (hw->phy.type == ixgbe_phy_nl) {
1046 /*
1047 * phy SDA/SCL registers are at addresses 0xC30A to
1048 * 0xC30D. These registers are used to talk to the SFP+
1049 * module's EEPROM through the SDA/SCL (I2C) interface.
1050 */
1051 sfp_addr = (IXGBE_I2C_EEPROM_DEV_ADDR << 8) + byte_offset;
1052 sfp_addr = (sfp_addr | IXGBE_I2C_EEPROM_READ_MASK);
1053 hw->phy.ops.write_reg(hw,
1054 IXGBE_MDIO_PMA_PMD_SDA_SCL_ADDR,
6b73e10d 1055 MDIO_MMD_PMAPMD,
c4900be0
DS
1056 sfp_addr);
1057
1058 /* Poll status */
1059 for (i = 0; i < 100; i++) {
1060 hw->phy.ops.read_reg(hw,
1061 IXGBE_MDIO_PMA_PMD_SDA_SCL_STAT,
6b73e10d 1062 MDIO_MMD_PMAPMD,
c4900be0
DS
1063 &sfp_stat);
1064 sfp_stat = sfp_stat & IXGBE_I2C_EEPROM_STATUS_MASK;
1065 if (sfp_stat != IXGBE_I2C_EEPROM_STATUS_IN_PROGRESS)
1066 break;
1067 msleep(10);
1068 }
1069
1070 if (sfp_stat != IXGBE_I2C_EEPROM_STATUS_PASS) {
1071 hw_dbg(hw, "EEPROM read did not pass.\n");
1072 status = IXGBE_ERR_SFP_NOT_PRESENT;
1073 goto out;
1074 }
1075
1076 /* Read data */
1077 hw->phy.ops.read_reg(hw, IXGBE_MDIO_PMA_PMD_SDA_SCL_DATA,
6b73e10d 1078 MDIO_MMD_PMAPMD, &sfp_data);
c4900be0
DS
1079
1080 *eeprom_data = (u8)(sfp_data >> 8);
1081 } else {
1082 status = IXGBE_ERR_PHY;
1083 goto out;
1084 }
1085
1086out:
1087 return status;
1088}
1089
c44ade9e
JB
1090/**
1091 * ixgbe_get_supported_physical_layer_82598 - Returns physical layer type
1092 * @hw: pointer to hardware structure
1093 *
1094 * Determines physical layer capabilities of the current configuration.
1095 **/
11afc1b1 1096static u32 ixgbe_get_supported_physical_layer_82598(struct ixgbe_hw *hw)
c44ade9e 1097{
11afc1b1 1098 u32 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
04193058
PWJ
1099 u32 autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
1100 u32 pma_pmd_10g = autoc & IXGBE_AUTOC_10G_PMA_PMD_MASK;
1101 u32 pma_pmd_1g = autoc & IXGBE_AUTOC_1G_PMA_PMD_MASK;
1102 u16 ext_ability = 0;
1103
1104 hw->phy.ops.identify(hw);
1105
1106 /* Copper PHY must be checked before AUTOC LMS to determine correct
1107 * physical layer because 10GBase-T PHYs use LMS = KX4/KX */
1108 if (hw->phy.type == ixgbe_phy_tn ||
1109 hw->phy.type == ixgbe_phy_cu_unknown) {
6b73e10d
BH
1110 hw->phy.ops.read_reg(hw, MDIO_PMA_EXTABLE, MDIO_MMD_PMAPMD,
1111 &ext_ability);
1112 if (ext_ability & MDIO_PMA_EXTABLE_10GBT)
04193058 1113 physical_layer |= IXGBE_PHYSICAL_LAYER_10GBASE_T;
6b73e10d 1114 if (ext_ability & MDIO_PMA_EXTABLE_1000BT)
04193058 1115 physical_layer |= IXGBE_PHYSICAL_LAYER_1000BASE_T;
6b73e10d 1116 if (ext_ability & MDIO_PMA_EXTABLE_100BTX)
04193058
PWJ
1117 physical_layer |= IXGBE_PHYSICAL_LAYER_100BASE_TX;
1118 goto out;
1119 }
c44ade9e 1120
04193058
PWJ
1121 switch (autoc & IXGBE_AUTOC_LMS_MASK) {
1122 case IXGBE_AUTOC_LMS_1G_AN:
1123 case IXGBE_AUTOC_LMS_1G_LINK_NO_AN:
1124 if (pma_pmd_1g == IXGBE_AUTOC_1G_KX)
1125 physical_layer = IXGBE_PHYSICAL_LAYER_1000BASE_KX;
1126 else
1127 physical_layer = IXGBE_PHYSICAL_LAYER_1000BASE_BX;
c4900be0 1128 break;
04193058
PWJ
1129 case IXGBE_AUTOC_LMS_10G_LINK_NO_AN:
1130 if (pma_pmd_10g == IXGBE_AUTOC_10G_CX4)
1131 physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_CX4;
1132 else if (pma_pmd_10g == IXGBE_AUTOC_10G_KX4)
1133 physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_KX4;
1134 else /* XAUI */
1135 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
c44ade9e 1136 break;
04193058
PWJ
1137 case IXGBE_AUTOC_LMS_KX4_AN:
1138 case IXGBE_AUTOC_LMS_KX4_AN_1G_AN:
1139 if (autoc & IXGBE_AUTOC_KX_SUPP)
1140 physical_layer |= IXGBE_PHYSICAL_LAYER_1000BASE_KX;
1141 if (autoc & IXGBE_AUTOC_KX4_SUPP)
1142 physical_layer |= IXGBE_PHYSICAL_LAYER_10GBASE_KX4;
c44ade9e 1143 break;
04193058 1144 default:
0befdb3e 1145 break;
04193058
PWJ
1146 }
1147
1148 if (hw->phy.type == ixgbe_phy_nl) {
c4900be0
DS
1149 hw->phy.ops.identify_sfp(hw);
1150
1151 switch (hw->phy.sfp_type) {
1152 case ixgbe_sfp_type_da_cu:
1153 physical_layer = IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU;
1154 break;
1155 case ixgbe_sfp_type_sr:
1156 physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_SR;
1157 break;
1158 case ixgbe_sfp_type_lr:
1159 physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_LR;
1160 break;
1161 default:
1162 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
1163 break;
1164 }
04193058 1165 }
c44ade9e 1166
04193058
PWJ
1167 switch (hw->device_id) {
1168 case IXGBE_DEV_ID_82598_DA_DUAL_PORT:
1169 physical_layer = IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU;
1170 break;
1171 case IXGBE_DEV_ID_82598AF_DUAL_PORT:
1172 case IXGBE_DEV_ID_82598AF_SINGLE_PORT:
1173 case IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM:
1174 physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_SR;
1175 break;
1176 case IXGBE_DEV_ID_82598EB_XF_LR:
1177 physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_LR;
1178 break;
c44ade9e 1179 default:
c44ade9e
JB
1180 break;
1181 }
1182
04193058 1183out:
c44ade9e
JB
1184 return physical_layer;
1185}
1186
9a799d71 1187static struct ixgbe_mac_operations mac_ops_82598 = {
c44ade9e
JB
1188 .init_hw = &ixgbe_init_hw_generic,
1189 .reset_hw = &ixgbe_reset_hw_82598,
202ff1ec 1190 .start_hw = &ixgbe_start_hw_82598,
c44ade9e 1191 .clear_hw_cntrs = &ixgbe_clear_hw_cntrs_generic,
9a799d71 1192 .get_media_type = &ixgbe_get_media_type_82598,
c44ade9e 1193 .get_supported_physical_layer = &ixgbe_get_supported_physical_layer_82598,
11afc1b1 1194 .enable_rx_dma = &ixgbe_enable_rx_dma_generic,
c44ade9e
JB
1195 .get_mac_addr = &ixgbe_get_mac_addr_generic,
1196 .stop_adapter = &ixgbe_stop_adapter_generic,
11afc1b1
PW
1197 .get_bus_info = &ixgbe_get_bus_info_generic,
1198 .set_lan_id = &ixgbe_set_lan_id_multi_port_pcie,
c44ade9e
JB
1199 .read_analog_reg8 = &ixgbe_read_analog_reg8_82598,
1200 .write_analog_reg8 = &ixgbe_write_analog_reg8_82598,
3957d63d 1201 .setup_link = &ixgbe_setup_mac_link_82598,
c44ade9e
JB
1202 .check_link = &ixgbe_check_mac_link_82598,
1203 .get_link_capabilities = &ixgbe_get_link_capabilities_82598,
1204 .led_on = &ixgbe_led_on_generic,
1205 .led_off = &ixgbe_led_off_generic,
87c12017
PW
1206 .blink_led_start = &ixgbe_blink_led_start_generic,
1207 .blink_led_stop = &ixgbe_blink_led_stop_generic,
c44ade9e
JB
1208 .set_rar = &ixgbe_set_rar_generic,
1209 .clear_rar = &ixgbe_clear_rar_generic,
1210 .set_vmdq = &ixgbe_set_vmdq_82598,
1211 .clear_vmdq = &ixgbe_clear_vmdq_82598,
1212 .init_rx_addrs = &ixgbe_init_rx_addrs_generic,
1213 .update_uc_addr_list = &ixgbe_update_uc_addr_list_generic,
1214 .update_mc_addr_list = &ixgbe_update_mc_addr_list_generic,
1215 .enable_mc = &ixgbe_enable_mc_generic,
1216 .disable_mc = &ixgbe_disable_mc_generic,
1217 .clear_vfta = &ixgbe_clear_vfta_82598,
1218 .set_vfta = &ixgbe_set_vfta_82598,
620fa036 1219 .fc_enable = &ixgbe_fc_enable_82598,
c44ade9e
JB
1220};
1221
1222static struct ixgbe_eeprom_operations eeprom_ops_82598 = {
1223 .init_params = &ixgbe_init_eeprom_params_generic,
21ce849b 1224 .read = &ixgbe_read_eerd_generic,
c44ade9e
JB
1225 .validate_checksum = &ixgbe_validate_eeprom_checksum_generic,
1226 .update_checksum = &ixgbe_update_eeprom_checksum_generic,
1227};
1228
1229static struct ixgbe_phy_operations phy_ops_82598 = {
1230 .identify = &ixgbe_identify_phy_generic,
c4900be0 1231 .identify_sfp = &ixgbe_identify_sfp_module_generic,
04f165ef 1232 .init = &ixgbe_init_phy_ops_82598,
c44ade9e
JB
1233 .reset = &ixgbe_reset_phy_generic,
1234 .read_reg = &ixgbe_read_phy_reg_generic,
1235 .write_reg = &ixgbe_write_phy_reg_generic,
1236 .setup_link = &ixgbe_setup_phy_link_generic,
1237 .setup_link_speed = &ixgbe_setup_phy_link_speed_generic,
c4900be0 1238 .read_i2c_eeprom = &ixgbe_read_i2c_eeprom_82598,
119fc60a 1239 .check_overtemp = &ixgbe_tn_check_overtemp,
9a799d71
AK
1240};
1241
3957d63d 1242struct ixgbe_info ixgbe_82598_info = {
9a799d71
AK
1243 .mac = ixgbe_mac_82598EB,
1244 .get_invariants = &ixgbe_get_invariants_82598,
1245 .mac_ops = &mac_ops_82598,
c44ade9e
JB
1246 .eeprom_ops = &eeprom_ops_82598,
1247 .phy_ops = &phy_ops_82598,
9a799d71
AK
1248};
1249