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1/*******************************************************************************
2
3 Intel 10 Gigabit PCI Express Linux driver
8c47eaa7 4 Copyright(c) 1999 - 2010 Intel Corporation.
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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:
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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
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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;
16b61beb 360 u32 rx_pba_size;
a626e847
DS
361 u32 link_speed = 0;
362 bool link_up;
c44ade9e 363
620fa036
MC
364#ifdef CONFIG_DCB
365 if (hw->fc.requested_mode == ixgbe_fc_pfc)
366 goto out;
367
368#endif /* CONFIG_DCB */
a626e847
DS
369 /*
370 * On 82598 having Rx FC on causes resets while doing 1G
371 * so if it's on turn it off once we know link_speed. For
372 * more details see 82598 Specification update.
373 */
374 hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
375 if (link_up && link_speed == IXGBE_LINK_SPEED_1GB_FULL) {
376 switch (hw->fc.requested_mode) {
377 case ixgbe_fc_full:
378 hw->fc.requested_mode = ixgbe_fc_tx_pause;
379 break;
380 case ixgbe_fc_rx_pause:
381 hw->fc.requested_mode = ixgbe_fc_none;
382 break;
383 default:
384 /* no change */
385 break;
386 }
387 }
388
620fa036
MC
389 /* Negotiate the fc mode to use */
390 ret_val = ixgbe_fc_autoneg(hw);
391 if (ret_val)
392 goto out;
393
394 /* Disable any previous flow control settings */
0ecc061d
PWJ
395 fctrl_reg = IXGBE_READ_REG(hw, IXGBE_FCTRL);
396 fctrl_reg &= ~(IXGBE_FCTRL_RFCE | IXGBE_FCTRL_RPFCE);
c44ade9e
JB
397
398 rmcs_reg = IXGBE_READ_REG(hw, IXGBE_RMCS);
399 rmcs_reg &= ~(IXGBE_RMCS_TFCE_PRIORITY | IXGBE_RMCS_TFCE_802_3X);
400
401 /*
0ecc061d 402 * The possible values of fc.current_mode are:
c44ade9e 403 * 0: Flow control is completely disabled
0ecc061d
PWJ
404 * 1: Rx flow control is enabled (we can receive pause frames,
405 * but not send pause frames).
620fa036 406 * 2: Tx flow control is enabled (we can send pause frames but
0ecc061d 407 * we do not support receiving pause frames).
c44ade9e
JB
408 * 3: Both Rx and Tx flow control (symmetric) are enabled.
409 * other: Invalid.
620fa036
MC
410#ifdef CONFIG_DCB
411 * 4: Priority Flow Control is enabled.
412#endif
c44ade9e 413 */
0ecc061d 414 switch (hw->fc.current_mode) {
c44ade9e 415 case ixgbe_fc_none:
620fa036
MC
416 /*
417 * Flow control is disabled by software override or autoneg.
418 * The code below will actually disable it in the HW.
419 */
c44ade9e
JB
420 break;
421 case ixgbe_fc_rx_pause:
422 /*
0ecc061d
PWJ
423 * Rx Flow control is enabled and Tx Flow control is
424 * disabled by software override. Since there really
425 * isn't a way to advertise that we are capable of RX
426 * Pause ONLY, we will advertise that we support both
427 * symmetric and asymmetric Rx PAUSE. Later, we will
428 * disable the adapter's ability to send PAUSE frames.
c44ade9e 429 */
0ecc061d 430 fctrl_reg |= IXGBE_FCTRL_RFCE;
c44ade9e
JB
431 break;
432 case ixgbe_fc_tx_pause:
433 /*
0ecc061d
PWJ
434 * Tx Flow control is enabled, and Rx Flow control is
435 * disabled by software override.
c44ade9e
JB
436 */
437 rmcs_reg |= IXGBE_RMCS_TFCE_802_3X;
438 break;
439 case ixgbe_fc_full:
0ecc061d
PWJ
440 /* Flow control (both Rx and Tx) is enabled by SW override. */
441 fctrl_reg |= IXGBE_FCTRL_RFCE;
c44ade9e
JB
442 rmcs_reg |= IXGBE_RMCS_TFCE_802_3X;
443 break;
620fa036
MC
444#ifdef CONFIG_DCB
445 case ixgbe_fc_pfc:
446 goto out;
447 break;
448#endif /* CONFIG_DCB */
c44ade9e 449 default:
c44ade9e 450 hw_dbg(hw, "Flow control param set incorrectly\n");
539e5f02 451 ret_val = IXGBE_ERR_CONFIG;
0ecc061d 452 goto out;
c44ade9e
JB
453 break;
454 }
455
620fa036 456 /* Set 802.3x based flow control settings. */
2132d381 457 fctrl_reg |= IXGBE_FCTRL_DPF;
0ecc061d 458 IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl_reg);
c44ade9e
JB
459 IXGBE_WRITE_REG(hw, IXGBE_RMCS, rmcs_reg);
460
0ecc061d
PWJ
461 /* Set up and enable Rx high/low water mark thresholds, enable XON. */
462 if (hw->fc.current_mode & ixgbe_fc_tx_pause) {
16b61beb
JF
463 rx_pba_size = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(packetbuf_num));
464 rx_pba_size >>= IXGBE_RXPBSIZE_SHIFT;
465
466 reg = (rx_pba_size - hw->fc.low_water) << 6;
467 if (hw->fc.send_xon)
468 reg |= IXGBE_FCRTL_XONE;
469 IXGBE_WRITE_REG(hw, IXGBE_FCRTL(packetbuf_num), reg);
470
471 reg = (rx_pba_size - hw->fc.high_water) << 10;
472 reg |= IXGBE_FCRTH_FCEN;
0ecc061d 473
16b61beb 474 IXGBE_WRITE_REG(hw, IXGBE_FCRTH(packetbuf_num), reg);
c44ade9e
JB
475 }
476
0ecc061d 477 /* Configure pause time (2 TCs per register) */
264857b8 478 reg = IXGBE_READ_REG(hw, IXGBE_FCTTV(packetbuf_num / 2));
0ecc061d
PWJ
479 if ((packetbuf_num & 1) == 0)
480 reg = (reg & 0xFFFF0000) | hw->fc.pause_time;
481 else
482 reg = (reg & 0x0000FFFF) | (hw->fc.pause_time << 16);
483 IXGBE_WRITE_REG(hw, IXGBE_FCTTV(packetbuf_num / 2), reg);
484
c44ade9e
JB
485 IXGBE_WRITE_REG(hw, IXGBE_FCRTV, (hw->fc.pause_time >> 1));
486
0ecc061d
PWJ
487out:
488 return ret_val;
489}
490
9a799d71 491/**
8620a103 492 * ixgbe_start_mac_link_82598 - Configures MAC link settings
9a799d71
AK
493 * @hw: pointer to hardware structure
494 *
495 * Configures link settings based on values in the ixgbe_hw struct.
496 * Restarts the link. Performs autonegotiation if needed.
497 **/
8620a103
MC
498static s32 ixgbe_start_mac_link_82598(struct ixgbe_hw *hw,
499 bool autoneg_wait_to_complete)
9a799d71
AK
500{
501 u32 autoc_reg;
502 u32 links_reg;
503 u32 i;
504 s32 status = 0;
505
9a799d71 506 /* Restart link */
3201d313 507 autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC);
9a799d71
AK
508 autoc_reg |= IXGBE_AUTOC_AN_RESTART;
509 IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc_reg);
510
511 /* Only poll for autoneg to complete if specified to do so */
8620a103 512 if (autoneg_wait_to_complete) {
3201d313
PWJ
513 if ((autoc_reg & IXGBE_AUTOC_LMS_MASK) ==
514 IXGBE_AUTOC_LMS_KX4_AN ||
515 (autoc_reg & IXGBE_AUTOC_LMS_MASK) ==
516 IXGBE_AUTOC_LMS_KX4_AN_1G_AN) {
9a799d71
AK
517 links_reg = 0; /* Just in case Autoneg time = 0 */
518 for (i = 0; i < IXGBE_AUTO_NEG_TIME; i++) {
519 links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
520 if (links_reg & IXGBE_LINKS_KX_AN_COMP)
521 break;
522 msleep(100);
523 }
524 if (!(links_reg & IXGBE_LINKS_KX_AN_COMP)) {
525 status = IXGBE_ERR_AUTONEG_NOT_COMPLETE;
c44ade9e 526 hw_dbg(hw, "Autonegotiation did not complete.\n");
9a799d71
AK
527 }
528 }
529 }
530
9a799d71
AK
531 /* Add delay to filter out noises during initial link setup */
532 msleep(50);
533
534 return status;
535}
536
734e979f
MC
537/**
538 * ixgbe_validate_link_ready - Function looks for phy link
539 * @hw: pointer to hardware structure
540 *
541 * Function indicates success when phy link is available. If phy is not ready
542 * within 5 seconds of MAC indicating link, the function returns error.
543 **/
544static s32 ixgbe_validate_link_ready(struct ixgbe_hw *hw)
545{
546 u32 timeout;
547 u16 an_reg;
548
549 if (hw->device_id != IXGBE_DEV_ID_82598AT2)
550 return 0;
551
552 for (timeout = 0;
553 timeout < IXGBE_VALIDATE_LINK_READY_TIMEOUT; timeout++) {
554 hw->phy.ops.read_reg(hw, MDIO_STAT1, MDIO_MMD_AN, &an_reg);
555
556 if ((an_reg & MDIO_AN_STAT1_COMPLETE) &&
557 (an_reg & MDIO_STAT1_LSTATUS))
558 break;
559
560 msleep(100);
561 }
562
563 if (timeout == IXGBE_VALIDATE_LINK_READY_TIMEOUT) {
564 hw_dbg(hw, "Link was indicated but link is down\n");
565 return IXGBE_ERR_LINK_SETUP;
566 }
567
568 return 0;
569}
570
9a799d71
AK
571/**
572 * ixgbe_check_mac_link_82598 - Get link/speed status
573 * @hw: pointer to hardware structure
574 * @speed: pointer to link speed
575 * @link_up: true is link is up, false otherwise
cf8280ee 576 * @link_up_wait_to_complete: bool used to wait for link up or not
9a799d71
AK
577 *
578 * Reads the links register to determine if link is up and the current speed
579 **/
b4617240
PW
580static s32 ixgbe_check_mac_link_82598(struct ixgbe_hw *hw,
581 ixgbe_link_speed *speed, bool *link_up,
582 bool link_up_wait_to_complete)
9a799d71
AK
583{
584 u32 links_reg;
cf8280ee 585 u32 i;
c4900be0
DS
586 u16 link_reg, adapt_comp_reg;
587
588 /*
589 * SERDES PHY requires us to read link status from register 0xC79F.
590 * Bit 0 set indicates link is up/ready; clear indicates link down.
591 * 0xC00C is read to check that the XAUI lanes are active. Bit 0
592 * clear indicates active; set indicates inactive.
593 */
594 if (hw->phy.type == ixgbe_phy_nl) {
6b73e10d
BH
595 hw->phy.ops.read_reg(hw, 0xC79F, MDIO_MMD_PMAPMD, &link_reg);
596 hw->phy.ops.read_reg(hw, 0xC79F, MDIO_MMD_PMAPMD, &link_reg);
597 hw->phy.ops.read_reg(hw, 0xC00C, MDIO_MMD_PMAPMD,
c4900be0
DS
598 &adapt_comp_reg);
599 if (link_up_wait_to_complete) {
600 for (i = 0; i < IXGBE_LINK_UP_TIME; i++) {
601 if ((link_reg & 1) &&
602 ((adapt_comp_reg & 1) == 0)) {
603 *link_up = true;
604 break;
605 } else {
606 *link_up = false;
607 }
608 msleep(100);
609 hw->phy.ops.read_reg(hw, 0xC79F,
6b73e10d 610 MDIO_MMD_PMAPMD,
c4900be0
DS
611 &link_reg);
612 hw->phy.ops.read_reg(hw, 0xC00C,
6b73e10d 613 MDIO_MMD_PMAPMD,
c4900be0
DS
614 &adapt_comp_reg);
615 }
616 } else {
617 if ((link_reg & 1) && ((adapt_comp_reg & 1) == 0))
618 *link_up = true;
619 else
620 *link_up = false;
621 }
622
623 if (*link_up == false)
624 goto out;
625 }
9a799d71
AK
626
627 links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
cf8280ee
JB
628 if (link_up_wait_to_complete) {
629 for (i = 0; i < IXGBE_LINK_UP_TIME; i++) {
630 if (links_reg & IXGBE_LINKS_UP) {
631 *link_up = true;
632 break;
633 } else {
634 *link_up = false;
635 }
636 msleep(100);
637 links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
638 }
639 } else {
640 if (links_reg & IXGBE_LINKS_UP)
641 *link_up = true;
642 else
643 *link_up = false;
644 }
9a799d71
AK
645
646 if (links_reg & IXGBE_LINKS_SPEED)
647 *speed = IXGBE_LINK_SPEED_10GB_FULL;
648 else
649 *speed = IXGBE_LINK_SPEED_1GB_FULL;
650
734e979f
MC
651 if ((hw->device_id == IXGBE_DEV_ID_82598AT2) && (*link_up == true) &&
652 (ixgbe_validate_link_ready(hw) != 0))
653 *link_up = false;
654
620fa036
MC
655 /* if link is down, zero out the current_mode */
656 if (*link_up == false) {
657 hw->fc.current_mode = ixgbe_fc_none;
658 hw->fc.fc_was_autonegged = false;
659 }
c4900be0 660out:
9a799d71
AK
661 return 0;
662}
663
c44ade9e 664
9a799d71 665/**
8620a103 666 * ixgbe_setup_mac_link_82598 - Set MAC link speed
9a799d71
AK
667 * @hw: pointer to hardware structure
668 * @speed: new link speed
669 * @autoneg: true if auto-negotiation enabled
670 * @autoneg_wait_to_complete: true if waiting is needed to complete
671 *
672 * Set the link speed in the AUTOC register and restarts link.
673 **/
8620a103 674static s32 ixgbe_setup_mac_link_82598(struct ixgbe_hw *hw,
3201d313
PWJ
675 ixgbe_link_speed speed, bool autoneg,
676 bool autoneg_wait_to_complete)
9a799d71 677{
3201d313
PWJ
678 s32 status = 0;
679 ixgbe_link_speed link_capabilities = IXGBE_LINK_SPEED_UNKNOWN;
680 u32 curr_autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
681 u32 autoc = curr_autoc;
682 u32 link_mode = autoc & IXGBE_AUTOC_LMS_MASK;
9a799d71 683
3201d313
PWJ
684 /* Check to see if speed passed in is supported. */
685 ixgbe_get_link_capabilities_82598(hw, &link_capabilities, &autoneg);
686 speed &= link_capabilities;
687
688 if (speed == IXGBE_LINK_SPEED_UNKNOWN)
9a799d71 689 status = IXGBE_ERR_LINK_SETUP;
3201d313
PWJ
690
691 /* Set KX4/KX support according to speed requested */
692 else if (link_mode == IXGBE_AUTOC_LMS_KX4_AN ||
693 link_mode == IXGBE_AUTOC_LMS_KX4_AN_1G_AN) {
694 autoc &= ~IXGBE_AUTOC_KX4_KX_SUPP_MASK;
695 if (speed & IXGBE_LINK_SPEED_10GB_FULL)
696 autoc |= IXGBE_AUTOC_KX4_SUPP;
697 if (speed & IXGBE_LINK_SPEED_1GB_FULL)
698 autoc |= IXGBE_AUTOC_KX_SUPP;
699 if (autoc != curr_autoc)
700 IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc);
9a799d71
AK
701 }
702
703 if (status == 0) {
9a799d71
AK
704 /*
705 * Setup and restart the link based on the new values in
706 * ixgbe_hw This will write the AUTOC register based on the new
707 * stored values
708 */
8620a103 709 status = ixgbe_start_mac_link_82598(hw, autoneg_wait_to_complete);
9a799d71
AK
710 }
711
712 return status;
713}
714
715
716/**
8620a103 717 * ixgbe_setup_copper_link_82598 - Set the PHY autoneg advertised field
9a799d71
AK
718 * @hw: pointer to hardware structure
719 * @speed: new link speed
720 * @autoneg: true if autonegotiation enabled
721 * @autoneg_wait_to_complete: true if waiting is needed to complete
722 *
723 * Sets the link speed in the AUTOC register in the MAC and restarts link.
724 **/
8620a103 725static s32 ixgbe_setup_copper_link_82598(struct ixgbe_hw *hw,
b4617240
PW
726 ixgbe_link_speed speed,
727 bool autoneg,
728 bool autoneg_wait_to_complete)
9a799d71 729{
c44ade9e 730 s32 status;
9a799d71
AK
731
732 /* Setup the PHY according to input speed */
b4617240
PW
733 status = hw->phy.ops.setup_link_speed(hw, speed, autoneg,
734 autoneg_wait_to_complete);
3957d63d 735
3957d63d 736 /* Set up MAC */
8620a103 737 ixgbe_start_mac_link_82598(hw, autoneg_wait_to_complete);
9a799d71
AK
738
739 return status;
740}
741
742/**
743 * ixgbe_reset_hw_82598 - Performs hardware reset
744 * @hw: pointer to hardware structure
745 *
c44ade9e 746 * Resets the hardware by resetting the transmit and receive units, masks and
9a799d71
AK
747 * clears all interrupts, performing a PHY reset, and performing a link (MAC)
748 * reset.
749 **/
750static s32 ixgbe_reset_hw_82598(struct ixgbe_hw *hw)
751{
752 s32 status = 0;
8ca783ab 753 s32 phy_status = 0;
9a799d71
AK
754 u32 ctrl;
755 u32 gheccr;
756 u32 i;
757 u32 autoc;
758 u8 analog_val;
759
760 /* Call adapter stop to disable tx/rx and clear interrupts */
c44ade9e 761 hw->mac.ops.stop_adapter(hw);
9a799d71
AK
762
763 /*
c44ade9e
JB
764 * Power up the Atlas Tx lanes if they are currently powered down.
765 * Atlas Tx lanes are powered down for MAC loopback tests, but
9a799d71
AK
766 * they are not automatically restored on reset.
767 */
c44ade9e 768 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, &analog_val);
9a799d71 769 if (analog_val & IXGBE_ATLAS_PDN_TX_REG_EN) {
c44ade9e
JB
770 /* Enable Tx Atlas so packets can be transmitted again */
771 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK,
772 &analog_val);
9a799d71 773 analog_val &= ~IXGBE_ATLAS_PDN_TX_REG_EN;
c44ade9e
JB
774 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK,
775 analog_val);
9a799d71 776
c44ade9e
JB
777 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_10G,
778 &analog_val);
9a799d71 779 analog_val &= ~IXGBE_ATLAS_PDN_TX_10G_QL_ALL;
c44ade9e
JB
780 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_10G,
781 analog_val);
9a799d71 782
c44ade9e
JB
783 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_1G,
784 &analog_val);
9a799d71 785 analog_val &= ~IXGBE_ATLAS_PDN_TX_1G_QL_ALL;
c44ade9e
JB
786 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_1G,
787 analog_val);
9a799d71 788
c44ade9e
JB
789 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_AN,
790 &analog_val);
9a799d71 791 analog_val &= ~IXGBE_ATLAS_PDN_TX_AN_QL_ALL;
c44ade9e
JB
792 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_AN,
793 analog_val);
9a799d71
AK
794 }
795
796 /* Reset PHY */
04f165ef
PW
797 if (hw->phy.reset_disable == false) {
798 /* PHY ops must be identified and initialized prior to reset */
799
800 /* Init PHY and function pointers, perform SFP setup */
8ca783ab
DS
801 phy_status = hw->phy.ops.init(hw);
802 if (phy_status == IXGBE_ERR_SFP_NOT_SUPPORTED)
04f165ef 803 goto reset_hw_out;
8ca783ab
DS
804 else if (phy_status == IXGBE_ERR_SFP_NOT_PRESENT)
805 goto no_phy_reset;
806
04f165ef 807
c44ade9e 808 hw->phy.ops.reset(hw);
04f165ef 809 }
9a799d71 810
8ca783ab 811no_phy_reset:
9a799d71
AK
812 /*
813 * Prevent the PCI-E bus from from hanging by disabling PCI-E master
814 * access and verify no pending requests before reset
815 */
04f165ef
PW
816 status = ixgbe_disable_pcie_master(hw);
817 if (status != 0) {
9a799d71
AK
818 status = IXGBE_ERR_MASTER_REQUESTS_PENDING;
819 hw_dbg(hw, "PCI-E Master disable polling has failed.\n");
820 }
821
822 /*
823 * Issue global reset to the MAC. This needs to be a SW reset.
824 * If link reset is used, it might reset the MAC when mng is using it
825 */
826 ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL);
827 IXGBE_WRITE_REG(hw, IXGBE_CTRL, (ctrl | IXGBE_CTRL_RST));
828 IXGBE_WRITE_FLUSH(hw);
829
830 /* Poll for reset bit to self-clear indicating reset is complete */
831 for (i = 0; i < 10; i++) {
832 udelay(1);
833 ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL);
834 if (!(ctrl & IXGBE_CTRL_RST))
835 break;
836 }
837 if (ctrl & IXGBE_CTRL_RST) {
838 status = IXGBE_ERR_RESET_FAILED;
839 hw_dbg(hw, "Reset polling failed to complete.\n");
840 }
841
842 msleep(50);
843
844 gheccr = IXGBE_READ_REG(hw, IXGBE_GHECCR);
845 gheccr &= ~((1 << 21) | (1 << 18) | (1 << 9) | (1 << 6));
846 IXGBE_WRITE_REG(hw, IXGBE_GHECCR, gheccr);
847
848 /*
3201d313
PWJ
849 * Store the original AUTOC value if it has not been
850 * stored off yet. Otherwise restore the stored original
851 * AUTOC value since the reset operation sets back to deaults.
9a799d71
AK
852 */
853 autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
3201d313
PWJ
854 if (hw->mac.orig_link_settings_stored == false) {
855 hw->mac.orig_autoc = autoc;
856 hw->mac.orig_link_settings_stored = true;
857 } else if (autoc != hw->mac.orig_autoc) {
858 IXGBE_WRITE_REG(hw, IXGBE_AUTOC, hw->mac.orig_autoc);
9a799d71
AK
859 }
860
aca6bee7
WJP
861 /*
862 * Store MAC address from RAR0, clear receive address registers, and
863 * clear the multicast table
864 */
865 hw->mac.ops.init_rx_addrs(hw);
866
9a799d71 867 /* Store the permanent mac address */
c44ade9e 868 hw->mac.ops.get_mac_addr(hw, hw->mac.perm_addr);
9a799d71 869
04f165ef 870reset_hw_out:
8ca783ab
DS
871 if (phy_status)
872 status = phy_status;
873
9a799d71
AK
874 return status;
875}
876
c44ade9e
JB
877/**
878 * ixgbe_set_vmdq_82598 - Associate a VMDq set index with a rx address
879 * @hw: pointer to hardware struct
880 * @rar: receive address register index to associate with a VMDq index
881 * @vmdq: VMDq set index
882 **/
e855aac8 883static s32 ixgbe_set_vmdq_82598(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
c44ade9e
JB
884{
885 u32 rar_high;
886
887 rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(rar));
888 rar_high &= ~IXGBE_RAH_VIND_MASK;
889 rar_high |= ((vmdq << IXGBE_RAH_VIND_SHIFT) & IXGBE_RAH_VIND_MASK);
890 IXGBE_WRITE_REG(hw, IXGBE_RAH(rar), rar_high);
891 return 0;
892}
893
894/**
895 * ixgbe_clear_vmdq_82598 - Disassociate a VMDq set index from an rx address
896 * @hw: pointer to hardware struct
897 * @rar: receive address register index to associate with a VMDq index
898 * @vmdq: VMDq clear index (not used in 82598, but elsewhere)
899 **/
900static s32 ixgbe_clear_vmdq_82598(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
901{
902 u32 rar_high;
903 u32 rar_entries = hw->mac.num_rar_entries;
904
905 if (rar < rar_entries) {
906 rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(rar));
907 if (rar_high & IXGBE_RAH_VIND_MASK) {
908 rar_high &= ~IXGBE_RAH_VIND_MASK;
909 IXGBE_WRITE_REG(hw, IXGBE_RAH(rar), rar_high);
910 }
911 } else {
912 hw_dbg(hw, "RAR index %d is out of range.\n", rar);
913 }
914
915 return 0;
916}
917
918/**
919 * ixgbe_set_vfta_82598 - Set VLAN filter table
920 * @hw: pointer to hardware structure
921 * @vlan: VLAN id to write to VLAN filter
922 * @vind: VMDq output index that maps queue to VLAN id in VFTA
923 * @vlan_on: boolean flag to turn on/off VLAN in VFTA
924 *
925 * Turn on/off specified VLAN in the VLAN filter table.
926 **/
e855aac8
HE
927static s32 ixgbe_set_vfta_82598(struct ixgbe_hw *hw, u32 vlan, u32 vind,
928 bool vlan_on)
c44ade9e
JB
929{
930 u32 regindex;
931 u32 bitindex;
932 u32 bits;
933 u32 vftabyte;
934
935 if (vlan > 4095)
936 return IXGBE_ERR_PARAM;
937
938 /* Determine 32-bit word position in array */
939 regindex = (vlan >> 5) & 0x7F; /* upper seven bits */
940
941 /* Determine the location of the (VMD) queue index */
942 vftabyte = ((vlan >> 3) & 0x03); /* bits (4:3) indicating byte array */
943 bitindex = (vlan & 0x7) << 2; /* lower 3 bits indicate nibble */
944
945 /* Set the nibble for VMD queue index */
946 bits = IXGBE_READ_REG(hw, IXGBE_VFTAVIND(vftabyte, regindex));
947 bits &= (~(0x0F << bitindex));
948 bits |= (vind << bitindex);
949 IXGBE_WRITE_REG(hw, IXGBE_VFTAVIND(vftabyte, regindex), bits);
950
951 /* Determine the location of the bit for this VLAN id */
952 bitindex = vlan & 0x1F; /* lower five bits */
953
954 bits = IXGBE_READ_REG(hw, IXGBE_VFTA(regindex));
955 if (vlan_on)
956 /* Turn on this VLAN id */
957 bits |= (1 << bitindex);
958 else
959 /* Turn off this VLAN id */
960 bits &= ~(1 << bitindex);
961 IXGBE_WRITE_REG(hw, IXGBE_VFTA(regindex), bits);
962
963 return 0;
964}
965
966/**
967 * ixgbe_clear_vfta_82598 - Clear VLAN filter table
968 * @hw: pointer to hardware structure
969 *
970 * Clears the VLAN filer table, and the VMDq index associated with the filter
971 **/
972static s32 ixgbe_clear_vfta_82598(struct ixgbe_hw *hw)
973{
974 u32 offset;
975 u32 vlanbyte;
976
977 for (offset = 0; offset < hw->mac.vft_size; offset++)
978 IXGBE_WRITE_REG(hw, IXGBE_VFTA(offset), 0);
979
980 for (vlanbyte = 0; vlanbyte < 4; vlanbyte++)
981 for (offset = 0; offset < hw->mac.vft_size; offset++)
982 IXGBE_WRITE_REG(hw, IXGBE_VFTAVIND(vlanbyte, offset),
b4617240 983 0);
c44ade9e
JB
984
985 return 0;
986}
987
c44ade9e
JB
988/**
989 * ixgbe_read_analog_reg8_82598 - Reads 8 bit Atlas analog register
990 * @hw: pointer to hardware structure
991 * @reg: analog register to read
992 * @val: read value
993 *
994 * Performs read operation to Atlas analog register specified.
995 **/
e855aac8 996static s32 ixgbe_read_analog_reg8_82598(struct ixgbe_hw *hw, u32 reg, u8 *val)
c44ade9e
JB
997{
998 u32 atlas_ctl;
999
1000 IXGBE_WRITE_REG(hw, IXGBE_ATLASCTL,
1001 IXGBE_ATLASCTL_WRITE_CMD | (reg << 8));
1002 IXGBE_WRITE_FLUSH(hw);
1003 udelay(10);
1004 atlas_ctl = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
1005 *val = (u8)atlas_ctl;
1006
1007 return 0;
1008}
1009
1010/**
1011 * ixgbe_write_analog_reg8_82598 - Writes 8 bit Atlas analog register
1012 * @hw: pointer to hardware structure
1013 * @reg: atlas register to write
1014 * @val: value to write
1015 *
1016 * Performs write operation to Atlas analog register specified.
1017 **/
e855aac8 1018static s32 ixgbe_write_analog_reg8_82598(struct ixgbe_hw *hw, u32 reg, u8 val)
c44ade9e
JB
1019{
1020 u32 atlas_ctl;
1021
1022 atlas_ctl = (reg << 8) | val;
1023 IXGBE_WRITE_REG(hw, IXGBE_ATLASCTL, atlas_ctl);
1024 IXGBE_WRITE_FLUSH(hw);
1025 udelay(10);
1026
1027 return 0;
1028}
1029
c4900be0
DS
1030/**
1031 * ixgbe_read_i2c_eeprom_82598 - Read 8 bit EEPROM word of an SFP+ module
1032 * over I2C interface through an intermediate phy.
1033 * @hw: pointer to hardware structure
1034 * @byte_offset: EEPROM byte offset to read
1035 * @eeprom_data: value read
1036 *
1037 * Performs byte read operation to SFP module's EEPROM over I2C interface.
1038 **/
e855aac8
HE
1039static s32 ixgbe_read_i2c_eeprom_82598(struct ixgbe_hw *hw, u8 byte_offset,
1040 u8 *eeprom_data)
c4900be0
DS
1041{
1042 s32 status = 0;
1043 u16 sfp_addr = 0;
1044 u16 sfp_data = 0;
1045 u16 sfp_stat = 0;
1046 u32 i;
1047
1048 if (hw->phy.type == ixgbe_phy_nl) {
1049 /*
1050 * phy SDA/SCL registers are at addresses 0xC30A to
1051 * 0xC30D. These registers are used to talk to the SFP+
1052 * module's EEPROM through the SDA/SCL (I2C) interface.
1053 */
1054 sfp_addr = (IXGBE_I2C_EEPROM_DEV_ADDR << 8) + byte_offset;
1055 sfp_addr = (sfp_addr | IXGBE_I2C_EEPROM_READ_MASK);
1056 hw->phy.ops.write_reg(hw,
1057 IXGBE_MDIO_PMA_PMD_SDA_SCL_ADDR,
6b73e10d 1058 MDIO_MMD_PMAPMD,
c4900be0
DS
1059 sfp_addr);
1060
1061 /* Poll status */
1062 for (i = 0; i < 100; i++) {
1063 hw->phy.ops.read_reg(hw,
1064 IXGBE_MDIO_PMA_PMD_SDA_SCL_STAT,
6b73e10d 1065 MDIO_MMD_PMAPMD,
c4900be0
DS
1066 &sfp_stat);
1067 sfp_stat = sfp_stat & IXGBE_I2C_EEPROM_STATUS_MASK;
1068 if (sfp_stat != IXGBE_I2C_EEPROM_STATUS_IN_PROGRESS)
1069 break;
1070 msleep(10);
1071 }
1072
1073 if (sfp_stat != IXGBE_I2C_EEPROM_STATUS_PASS) {
1074 hw_dbg(hw, "EEPROM read did not pass.\n");
1075 status = IXGBE_ERR_SFP_NOT_PRESENT;
1076 goto out;
1077 }
1078
1079 /* Read data */
1080 hw->phy.ops.read_reg(hw, IXGBE_MDIO_PMA_PMD_SDA_SCL_DATA,
6b73e10d 1081 MDIO_MMD_PMAPMD, &sfp_data);
c4900be0
DS
1082
1083 *eeprom_data = (u8)(sfp_data >> 8);
1084 } else {
1085 status = IXGBE_ERR_PHY;
1086 goto out;
1087 }
1088
1089out:
1090 return status;
1091}
1092
c44ade9e
JB
1093/**
1094 * ixgbe_get_supported_physical_layer_82598 - Returns physical layer type
1095 * @hw: pointer to hardware structure
1096 *
1097 * Determines physical layer capabilities of the current configuration.
1098 **/
11afc1b1 1099static u32 ixgbe_get_supported_physical_layer_82598(struct ixgbe_hw *hw)
c44ade9e 1100{
11afc1b1 1101 u32 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
04193058
PWJ
1102 u32 autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
1103 u32 pma_pmd_10g = autoc & IXGBE_AUTOC_10G_PMA_PMD_MASK;
1104 u32 pma_pmd_1g = autoc & IXGBE_AUTOC_1G_PMA_PMD_MASK;
1105 u16 ext_ability = 0;
1106
1107 hw->phy.ops.identify(hw);
1108
1109 /* Copper PHY must be checked before AUTOC LMS to determine correct
1110 * physical layer because 10GBase-T PHYs use LMS = KX4/KX */
1111 if (hw->phy.type == ixgbe_phy_tn ||
1112 hw->phy.type == ixgbe_phy_cu_unknown) {
6b73e10d
BH
1113 hw->phy.ops.read_reg(hw, MDIO_PMA_EXTABLE, MDIO_MMD_PMAPMD,
1114 &ext_ability);
1115 if (ext_ability & MDIO_PMA_EXTABLE_10GBT)
04193058 1116 physical_layer |= IXGBE_PHYSICAL_LAYER_10GBASE_T;
6b73e10d 1117 if (ext_ability & MDIO_PMA_EXTABLE_1000BT)
04193058 1118 physical_layer |= IXGBE_PHYSICAL_LAYER_1000BASE_T;
6b73e10d 1119 if (ext_ability & MDIO_PMA_EXTABLE_100BTX)
04193058
PWJ
1120 physical_layer |= IXGBE_PHYSICAL_LAYER_100BASE_TX;
1121 goto out;
1122 }
c44ade9e 1123
04193058
PWJ
1124 switch (autoc & IXGBE_AUTOC_LMS_MASK) {
1125 case IXGBE_AUTOC_LMS_1G_AN:
1126 case IXGBE_AUTOC_LMS_1G_LINK_NO_AN:
1127 if (pma_pmd_1g == IXGBE_AUTOC_1G_KX)
1128 physical_layer = IXGBE_PHYSICAL_LAYER_1000BASE_KX;
1129 else
1130 physical_layer = IXGBE_PHYSICAL_LAYER_1000BASE_BX;
c4900be0 1131 break;
04193058
PWJ
1132 case IXGBE_AUTOC_LMS_10G_LINK_NO_AN:
1133 if (pma_pmd_10g == IXGBE_AUTOC_10G_CX4)
1134 physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_CX4;
1135 else if (pma_pmd_10g == IXGBE_AUTOC_10G_KX4)
1136 physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_KX4;
1137 else /* XAUI */
1138 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
c44ade9e 1139 break;
04193058
PWJ
1140 case IXGBE_AUTOC_LMS_KX4_AN:
1141 case IXGBE_AUTOC_LMS_KX4_AN_1G_AN:
1142 if (autoc & IXGBE_AUTOC_KX_SUPP)
1143 physical_layer |= IXGBE_PHYSICAL_LAYER_1000BASE_KX;
1144 if (autoc & IXGBE_AUTOC_KX4_SUPP)
1145 physical_layer |= IXGBE_PHYSICAL_LAYER_10GBASE_KX4;
c44ade9e 1146 break;
04193058 1147 default:
0befdb3e 1148 break;
04193058
PWJ
1149 }
1150
1151 if (hw->phy.type == ixgbe_phy_nl) {
c4900be0
DS
1152 hw->phy.ops.identify_sfp(hw);
1153
1154 switch (hw->phy.sfp_type) {
1155 case ixgbe_sfp_type_da_cu:
1156 physical_layer = IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU;
1157 break;
1158 case ixgbe_sfp_type_sr:
1159 physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_SR;
1160 break;
1161 case ixgbe_sfp_type_lr:
1162 physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_LR;
1163 break;
1164 default:
1165 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
1166 break;
1167 }
04193058 1168 }
c44ade9e 1169
04193058
PWJ
1170 switch (hw->device_id) {
1171 case IXGBE_DEV_ID_82598_DA_DUAL_PORT:
1172 physical_layer = IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU;
1173 break;
1174 case IXGBE_DEV_ID_82598AF_DUAL_PORT:
1175 case IXGBE_DEV_ID_82598AF_SINGLE_PORT:
1176 case IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM:
1177 physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_SR;
1178 break;
1179 case IXGBE_DEV_ID_82598EB_XF_LR:
1180 physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_LR;
1181 break;
c44ade9e 1182 default:
c44ade9e
JB
1183 break;
1184 }
1185
04193058 1186out:
c44ade9e
JB
1187 return physical_layer;
1188}
1189
9a799d71 1190static struct ixgbe_mac_operations mac_ops_82598 = {
c44ade9e
JB
1191 .init_hw = &ixgbe_init_hw_generic,
1192 .reset_hw = &ixgbe_reset_hw_82598,
202ff1ec 1193 .start_hw = &ixgbe_start_hw_82598,
c44ade9e 1194 .clear_hw_cntrs = &ixgbe_clear_hw_cntrs_generic,
9a799d71 1195 .get_media_type = &ixgbe_get_media_type_82598,
c44ade9e 1196 .get_supported_physical_layer = &ixgbe_get_supported_physical_layer_82598,
11afc1b1 1197 .enable_rx_dma = &ixgbe_enable_rx_dma_generic,
c44ade9e
JB
1198 .get_mac_addr = &ixgbe_get_mac_addr_generic,
1199 .stop_adapter = &ixgbe_stop_adapter_generic,
11afc1b1
PW
1200 .get_bus_info = &ixgbe_get_bus_info_generic,
1201 .set_lan_id = &ixgbe_set_lan_id_multi_port_pcie,
c44ade9e
JB
1202 .read_analog_reg8 = &ixgbe_read_analog_reg8_82598,
1203 .write_analog_reg8 = &ixgbe_write_analog_reg8_82598,
3957d63d 1204 .setup_link = &ixgbe_setup_mac_link_82598,
c44ade9e
JB
1205 .check_link = &ixgbe_check_mac_link_82598,
1206 .get_link_capabilities = &ixgbe_get_link_capabilities_82598,
1207 .led_on = &ixgbe_led_on_generic,
1208 .led_off = &ixgbe_led_off_generic,
87c12017
PW
1209 .blink_led_start = &ixgbe_blink_led_start_generic,
1210 .blink_led_stop = &ixgbe_blink_led_stop_generic,
c44ade9e
JB
1211 .set_rar = &ixgbe_set_rar_generic,
1212 .clear_rar = &ixgbe_clear_rar_generic,
1213 .set_vmdq = &ixgbe_set_vmdq_82598,
1214 .clear_vmdq = &ixgbe_clear_vmdq_82598,
1215 .init_rx_addrs = &ixgbe_init_rx_addrs_generic,
1216 .update_uc_addr_list = &ixgbe_update_uc_addr_list_generic,
1217 .update_mc_addr_list = &ixgbe_update_mc_addr_list_generic,
1218 .enable_mc = &ixgbe_enable_mc_generic,
1219 .disable_mc = &ixgbe_disable_mc_generic,
1220 .clear_vfta = &ixgbe_clear_vfta_82598,
1221 .set_vfta = &ixgbe_set_vfta_82598,
620fa036 1222 .fc_enable = &ixgbe_fc_enable_82598,
c44ade9e
JB
1223};
1224
1225static struct ixgbe_eeprom_operations eeprom_ops_82598 = {
1226 .init_params = &ixgbe_init_eeprom_params_generic,
21ce849b 1227 .read = &ixgbe_read_eerd_generic,
c44ade9e
JB
1228 .validate_checksum = &ixgbe_validate_eeprom_checksum_generic,
1229 .update_checksum = &ixgbe_update_eeprom_checksum_generic,
1230};
1231
1232static struct ixgbe_phy_operations phy_ops_82598 = {
1233 .identify = &ixgbe_identify_phy_generic,
c4900be0 1234 .identify_sfp = &ixgbe_identify_sfp_module_generic,
04f165ef 1235 .init = &ixgbe_init_phy_ops_82598,
c44ade9e
JB
1236 .reset = &ixgbe_reset_phy_generic,
1237 .read_reg = &ixgbe_read_phy_reg_generic,
1238 .write_reg = &ixgbe_write_phy_reg_generic,
1239 .setup_link = &ixgbe_setup_phy_link_generic,
1240 .setup_link_speed = &ixgbe_setup_phy_link_speed_generic,
c4900be0 1241 .read_i2c_eeprom = &ixgbe_read_i2c_eeprom_82598,
119fc60a 1242 .check_overtemp = &ixgbe_tn_check_overtemp,
9a799d71
AK
1243};
1244
3957d63d 1245struct ixgbe_info ixgbe_82598_info = {
9a799d71
AK
1246 .mac = ixgbe_mac_82598EB,
1247 .get_invariants = &ixgbe_get_invariants_82598,
1248 .mac_ops = &mac_ops_82598,
c44ade9e
JB
1249 .eeprom_ops = &eeprom_ops_82598,
1250 .phy_ops = &phy_ops_82598,
9a799d71
AK
1251};
1252