1 /*******************************************************************************
3 Intel 10 Gigabit PCI Express Linux driver
4 Copyright(c) 1999 - 2013 Intel Corporation.
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.
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
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.
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
23 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
24 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
26 *******************************************************************************/
28 #include <linux/pci.h>
29 #include <linux/delay.h>
30 #include <linux/sched.h>
33 #include "ixgbe_phy.h"
34 #include "ixgbe_mbx.h"
36 #define IXGBE_82599_MAX_TX_QUEUES 128
37 #define IXGBE_82599_MAX_RX_QUEUES 128
38 #define IXGBE_82599_RAR_ENTRIES 128
39 #define IXGBE_82599_MC_TBL_SIZE 128
40 #define IXGBE_82599_VFT_TBL_SIZE 128
41 #define IXGBE_82599_RX_PB_SIZE 512
43 static void ixgbe_disable_tx_laser_multispeed_fiber(struct ixgbe_hw *hw);
44 static void ixgbe_enable_tx_laser_multispeed_fiber(struct ixgbe_hw *hw);
45 static void ixgbe_flap_tx_laser_multispeed_fiber(struct ixgbe_hw *hw);
46 static s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw,
47 ixgbe_link_speed speed,
48 bool autoneg_wait_to_complete);
49 static s32 ixgbe_setup_mac_link_smartspeed(struct ixgbe_hw *hw,
50 ixgbe_link_speed speed,
51 bool autoneg_wait_to_complete);
52 static void ixgbe_stop_mac_link_on_d3_82599(struct ixgbe_hw *hw);
53 static s32 ixgbe_start_mac_link_82599(struct ixgbe_hw *hw,
54 bool autoneg_wait_to_complete);
55 static s32 ixgbe_setup_mac_link_82599(struct ixgbe_hw *hw,
56 ixgbe_link_speed speed,
57 bool autoneg_wait_to_complete);
58 static s32 ixgbe_setup_copper_link_82599(struct ixgbe_hw *hw,
59 ixgbe_link_speed speed,
60 bool autoneg_wait_to_complete);
61 static s32 ixgbe_verify_fw_version_82599(struct ixgbe_hw *hw);
62 static s32 ixgbe_read_i2c_byte_82599(struct ixgbe_hw *hw, u8 byte_offset,
63 u8 dev_addr, u8 *data);
64 static s32 ixgbe_write_i2c_byte_82599(struct ixgbe_hw *hw, u8 byte_offset,
65 u8 dev_addr, u8 data);
67 static bool ixgbe_mng_enabled(struct ixgbe_hw *hw)
69 u32 fwsm, manc, factps;
71 fwsm = IXGBE_READ_REG(hw, IXGBE_FWSM);
72 if ((fwsm & IXGBE_FWSM_MODE_MASK) != IXGBE_FWSM_FW_MODE_PT)
75 manc = IXGBE_READ_REG(hw, IXGBE_MANC);
76 if (!(manc & IXGBE_MANC_RCV_TCO_EN))
79 factps = IXGBE_READ_REG(hw, IXGBE_FACTPS);
80 if (factps & IXGBE_FACTPS_MNGCG)
86 static void ixgbe_init_mac_link_ops_82599(struct ixgbe_hw *hw)
88 struct ixgbe_mac_info *mac = &hw->mac;
90 /* enable the laser control functions for SFP+ fiber
93 if ((mac->ops.get_media_type(hw) == ixgbe_media_type_fiber) &&
94 !hw->mng_fw_enabled) {
95 mac->ops.disable_tx_laser =
96 &ixgbe_disable_tx_laser_multispeed_fiber;
97 mac->ops.enable_tx_laser =
98 &ixgbe_enable_tx_laser_multispeed_fiber;
99 mac->ops.flap_tx_laser = &ixgbe_flap_tx_laser_multispeed_fiber;
101 mac->ops.disable_tx_laser = NULL;
102 mac->ops.enable_tx_laser = NULL;
103 mac->ops.flap_tx_laser = NULL;
106 if (hw->phy.multispeed_fiber) {
107 /* Set up dual speed SFP+ support */
108 mac->ops.setup_link = &ixgbe_setup_mac_link_multispeed_fiber;
110 if ((mac->ops.get_media_type(hw) ==
111 ixgbe_media_type_backplane) &&
112 (hw->phy.smart_speed == ixgbe_smart_speed_auto ||
113 hw->phy.smart_speed == ixgbe_smart_speed_on) &&
114 !ixgbe_verify_lesm_fw_enabled_82599(hw))
115 mac->ops.setup_link = &ixgbe_setup_mac_link_smartspeed;
117 mac->ops.setup_link = &ixgbe_setup_mac_link_82599;
121 static s32 ixgbe_setup_sfp_modules_82599(struct ixgbe_hw *hw)
124 u16 list_offset, data_offset, data_value;
125 bool got_lock = false;
127 if (hw->phy.sfp_type != ixgbe_sfp_type_unknown) {
128 ixgbe_init_mac_link_ops_82599(hw);
130 hw->phy.ops.reset = NULL;
132 ret_val = ixgbe_get_sfp_init_sequence_offsets(hw, &list_offset,
137 /* PHY config will finish before releasing the semaphore */
138 ret_val = hw->mac.ops.acquire_swfw_sync(hw,
139 IXGBE_GSSR_MAC_CSR_SM);
141 ret_val = IXGBE_ERR_SWFW_SYNC;
145 if (hw->eeprom.ops.read(hw, ++data_offset, &data_value))
147 while (data_value != 0xffff) {
148 IXGBE_WRITE_REG(hw, IXGBE_CORECTL, data_value);
149 IXGBE_WRITE_FLUSH(hw);
150 if (hw->eeprom.ops.read(hw, ++data_offset, &data_value))
154 /* Release the semaphore */
155 hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_MAC_CSR_SM);
157 * Delay obtaining semaphore again to allow FW access,
158 * semaphore_delay is in ms usleep_range needs us.
160 usleep_range(hw->eeprom.semaphore_delay * 1000,
161 hw->eeprom.semaphore_delay * 2000);
163 /* Need SW/FW semaphore around AUTOC writes if LESM on,
164 * likewise reset_pipeline requires lock as it also writes
167 if (ixgbe_verify_lesm_fw_enabled_82599(hw)) {
168 ret_val = hw->mac.ops.acquire_swfw_sync(hw,
169 IXGBE_GSSR_MAC_CSR_SM);
176 /* Restart DSP and set SFI mode */
177 IXGBE_WRITE_REG(hw, IXGBE_AUTOC, ((hw->mac.orig_autoc) |
178 IXGBE_AUTOC_LMS_10G_SERIAL));
179 hw->mac.cached_autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
180 ret_val = ixgbe_reset_pipeline_82599(hw);
183 hw->mac.ops.release_swfw_sync(hw,
184 IXGBE_GSSR_MAC_CSR_SM);
189 hw_dbg(hw, " sfp module setup not complete\n");
190 ret_val = IXGBE_ERR_SFP_SETUP_NOT_COMPLETE;
199 /* Release the semaphore */
200 hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_MAC_CSR_SM);
201 /* Delay obtaining semaphore again to allow FW access,
202 * semaphore_delay is in ms usleep_range needs us.
204 usleep_range(hw->eeprom.semaphore_delay * 1000,
205 hw->eeprom.semaphore_delay * 2000);
206 hw_err(hw, "eeprom read at offset %d failed\n", data_offset);
207 return IXGBE_ERR_SFP_SETUP_NOT_COMPLETE;
210 static s32 ixgbe_get_invariants_82599(struct ixgbe_hw *hw)
212 struct ixgbe_mac_info *mac = &hw->mac;
214 ixgbe_init_mac_link_ops_82599(hw);
216 mac->mcft_size = IXGBE_82599_MC_TBL_SIZE;
217 mac->vft_size = IXGBE_82599_VFT_TBL_SIZE;
218 mac->num_rar_entries = IXGBE_82599_RAR_ENTRIES;
219 mac->max_rx_queues = IXGBE_82599_MAX_RX_QUEUES;
220 mac->max_tx_queues = IXGBE_82599_MAX_TX_QUEUES;
221 mac->max_msix_vectors = ixgbe_get_pcie_msix_count_generic(hw);
227 * ixgbe_init_phy_ops_82599 - PHY/SFP specific init
228 * @hw: pointer to hardware structure
230 * Initialize any function pointers that were not able to be
231 * set during get_invariants because the PHY/SFP type was
232 * not known. Perform the SFP init if necessary.
235 static s32 ixgbe_init_phy_ops_82599(struct ixgbe_hw *hw)
237 struct ixgbe_mac_info *mac = &hw->mac;
238 struct ixgbe_phy_info *phy = &hw->phy;
242 if (hw->device_id == IXGBE_DEV_ID_82599_QSFP_SF_QP) {
243 /* Store flag indicating I2C bus access control unit. */
244 hw->phy.qsfp_shared_i2c_bus = true;
246 /* Initialize access to QSFP+ I2C bus */
247 esdp = IXGBE_READ_REG(hw, IXGBE_ESDP);
248 esdp |= IXGBE_ESDP_SDP0_DIR;
249 esdp &= ~IXGBE_ESDP_SDP1_DIR;
250 esdp &= ~IXGBE_ESDP_SDP0;
251 esdp &= ~IXGBE_ESDP_SDP0_NATIVE;
252 esdp &= ~IXGBE_ESDP_SDP1_NATIVE;
253 IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp);
254 IXGBE_WRITE_FLUSH(hw);
256 phy->ops.read_i2c_byte = &ixgbe_read_i2c_byte_82599;
257 phy->ops.write_i2c_byte = &ixgbe_write_i2c_byte_82599;
260 /* Identify the PHY or SFP module */
261 ret_val = phy->ops.identify(hw);
263 /* Setup function pointers based on detected SFP module and speeds */
264 ixgbe_init_mac_link_ops_82599(hw);
266 /* If copper media, overwrite with copper function pointers */
267 if (mac->ops.get_media_type(hw) == ixgbe_media_type_copper) {
268 mac->ops.setup_link = &ixgbe_setup_copper_link_82599;
269 mac->ops.get_link_capabilities =
270 &ixgbe_get_copper_link_capabilities_generic;
273 /* Set necessary function pointers based on phy type */
274 switch (hw->phy.type) {
276 phy->ops.check_link = &ixgbe_check_phy_link_tnx;
277 phy->ops.setup_link = &ixgbe_setup_phy_link_tnx;
278 phy->ops.get_firmware_version =
279 &ixgbe_get_phy_firmware_version_tnx;
289 * ixgbe_get_link_capabilities_82599 - Determines link capabilities
290 * @hw: pointer to hardware structure
291 * @speed: pointer to link speed
292 * @autoneg: true when autoneg or autotry is enabled
294 * Determines the link capabilities by reading the AUTOC register.
296 static s32 ixgbe_get_link_capabilities_82599(struct ixgbe_hw *hw,
297 ixgbe_link_speed *speed,
303 /* Determine 1G link capabilities off of SFP+ type */
304 if (hw->phy.sfp_type == ixgbe_sfp_type_1g_cu_core0 ||
305 hw->phy.sfp_type == ixgbe_sfp_type_1g_cu_core1 ||
306 hw->phy.sfp_type == ixgbe_sfp_type_1g_lx_core0 ||
307 hw->phy.sfp_type == ixgbe_sfp_type_1g_lx_core1 ||
308 hw->phy.sfp_type == ixgbe_sfp_type_1g_sx_core0 ||
309 hw->phy.sfp_type == ixgbe_sfp_type_1g_sx_core1) {
310 *speed = IXGBE_LINK_SPEED_1GB_FULL;
316 * Determine link capabilities based on the stored value of AUTOC,
317 * which represents EEPROM defaults. If AUTOC value has not been
318 * stored, use the current register value.
320 if (hw->mac.orig_link_settings_stored)
321 autoc = hw->mac.orig_autoc;
323 autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
325 switch (autoc & IXGBE_AUTOC_LMS_MASK) {
326 case IXGBE_AUTOC_LMS_1G_LINK_NO_AN:
327 *speed = IXGBE_LINK_SPEED_1GB_FULL;
331 case IXGBE_AUTOC_LMS_10G_LINK_NO_AN:
332 *speed = IXGBE_LINK_SPEED_10GB_FULL;
336 case IXGBE_AUTOC_LMS_1G_AN:
337 *speed = IXGBE_LINK_SPEED_1GB_FULL;
341 case IXGBE_AUTOC_LMS_10G_SERIAL:
342 *speed = IXGBE_LINK_SPEED_10GB_FULL;
346 case IXGBE_AUTOC_LMS_KX4_KX_KR:
347 case IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN:
348 *speed = IXGBE_LINK_SPEED_UNKNOWN;
349 if (autoc & IXGBE_AUTOC_KR_SUPP)
350 *speed |= IXGBE_LINK_SPEED_10GB_FULL;
351 if (autoc & IXGBE_AUTOC_KX4_SUPP)
352 *speed |= IXGBE_LINK_SPEED_10GB_FULL;
353 if (autoc & IXGBE_AUTOC_KX_SUPP)
354 *speed |= IXGBE_LINK_SPEED_1GB_FULL;
358 case IXGBE_AUTOC_LMS_KX4_KX_KR_SGMII:
359 *speed = IXGBE_LINK_SPEED_100_FULL;
360 if (autoc & IXGBE_AUTOC_KR_SUPP)
361 *speed |= IXGBE_LINK_SPEED_10GB_FULL;
362 if (autoc & IXGBE_AUTOC_KX4_SUPP)
363 *speed |= IXGBE_LINK_SPEED_10GB_FULL;
364 if (autoc & IXGBE_AUTOC_KX_SUPP)
365 *speed |= IXGBE_LINK_SPEED_1GB_FULL;
369 case IXGBE_AUTOC_LMS_SGMII_1G_100M:
370 *speed = IXGBE_LINK_SPEED_1GB_FULL | IXGBE_LINK_SPEED_100_FULL;
375 status = IXGBE_ERR_LINK_SETUP;
380 if (hw->phy.multispeed_fiber) {
381 *speed |= IXGBE_LINK_SPEED_10GB_FULL |
382 IXGBE_LINK_SPEED_1GB_FULL;
391 * ixgbe_get_media_type_82599 - Get media type
392 * @hw: pointer to hardware structure
394 * Returns the media type (fiber, copper, backplane)
396 static enum ixgbe_media_type ixgbe_get_media_type_82599(struct ixgbe_hw *hw)
398 enum ixgbe_media_type media_type;
400 /* Detect if there is a copper PHY attached. */
401 switch (hw->phy.type) {
402 case ixgbe_phy_cu_unknown:
404 media_type = ixgbe_media_type_copper;
410 switch (hw->device_id) {
411 case IXGBE_DEV_ID_82599_KX4:
412 case IXGBE_DEV_ID_82599_KX4_MEZZ:
413 case IXGBE_DEV_ID_82599_COMBO_BACKPLANE:
414 case IXGBE_DEV_ID_82599_KR:
415 case IXGBE_DEV_ID_82599_BACKPLANE_FCOE:
416 case IXGBE_DEV_ID_82599_XAUI_LOM:
417 /* Default device ID is mezzanine card KX/KX4 */
418 media_type = ixgbe_media_type_backplane;
420 case IXGBE_DEV_ID_82599_SFP:
421 case IXGBE_DEV_ID_82599_SFP_FCOE:
422 case IXGBE_DEV_ID_82599_SFP_EM:
423 case IXGBE_DEV_ID_82599_SFP_SF2:
424 case IXGBE_DEV_ID_82599_SFP_SF_QP:
425 case IXGBE_DEV_ID_82599EN_SFP:
426 media_type = ixgbe_media_type_fiber;
428 case IXGBE_DEV_ID_82599_CX4:
429 media_type = ixgbe_media_type_cx4;
431 case IXGBE_DEV_ID_82599_T3_LOM:
432 media_type = ixgbe_media_type_copper;
434 case IXGBE_DEV_ID_82599_LS:
435 media_type = ixgbe_media_type_fiber_lco;
437 case IXGBE_DEV_ID_82599_QSFP_SF_QP:
438 media_type = ixgbe_media_type_fiber_qsfp;
441 media_type = ixgbe_media_type_unknown;
449 * ixgbe_stop_mac_link_on_d3_82599 - Disables link on D3
450 * @hw: pointer to hardware structure
452 * Disables link, should be called during D3 power down sequence.
455 static void ixgbe_stop_mac_link_on_d3_82599(struct ixgbe_hw *hw)
459 if (!hw->mng_fw_enabled && !hw->wol_enabled) {
460 autoc2_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
461 autoc2_reg |= IXGBE_AUTOC2_LINK_DISABLE_ON_D3_MASK;
462 IXGBE_WRITE_REG(hw, IXGBE_AUTOC2, autoc2_reg);
467 * ixgbe_start_mac_link_82599 - Setup MAC link settings
468 * @hw: pointer to hardware structure
469 * @autoneg_wait_to_complete: true when waiting for completion is needed
471 * Configures link settings based on values in the ixgbe_hw struct.
472 * Restarts the link. Performs autonegotiation if needed.
474 static s32 ixgbe_start_mac_link_82599(struct ixgbe_hw *hw,
475 bool autoneg_wait_to_complete)
481 bool got_lock = false;
483 if (ixgbe_verify_lesm_fw_enabled_82599(hw)) {
484 status = hw->mac.ops.acquire_swfw_sync(hw,
485 IXGBE_GSSR_MAC_CSR_SM);
493 ixgbe_reset_pipeline_82599(hw);
496 hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_MAC_CSR_SM);
498 /* Only poll for autoneg to complete if specified to do so */
499 if (autoneg_wait_to_complete) {
500 autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC);
501 if ((autoc_reg & IXGBE_AUTOC_LMS_MASK) ==
502 IXGBE_AUTOC_LMS_KX4_KX_KR ||
503 (autoc_reg & IXGBE_AUTOC_LMS_MASK) ==
504 IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN ||
505 (autoc_reg & IXGBE_AUTOC_LMS_MASK) ==
506 IXGBE_AUTOC_LMS_KX4_KX_KR_SGMII) {
507 links_reg = 0; /* Just in case Autoneg time = 0 */
508 for (i = 0; i < IXGBE_AUTO_NEG_TIME; i++) {
509 links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
510 if (links_reg & IXGBE_LINKS_KX_AN_COMP)
514 if (!(links_reg & IXGBE_LINKS_KX_AN_COMP)) {
515 status = IXGBE_ERR_AUTONEG_NOT_COMPLETE;
516 hw_dbg(hw, "Autoneg did not complete.\n");
521 /* Add delay to filter out noises during initial link setup */
529 * ixgbe_disable_tx_laser_multispeed_fiber - Disable Tx laser
530 * @hw: pointer to hardware structure
532 * The base drivers may require better control over SFP+ module
533 * PHY states. This includes selectively shutting down the Tx
534 * laser on the PHY, effectively halting physical link.
536 static void ixgbe_disable_tx_laser_multispeed_fiber(struct ixgbe_hw *hw)
538 u32 esdp_reg = IXGBE_READ_REG(hw, IXGBE_ESDP);
540 /* Disable tx laser; allow 100us to go dark per spec */
541 esdp_reg |= IXGBE_ESDP_SDP3;
542 IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
543 IXGBE_WRITE_FLUSH(hw);
548 * ixgbe_enable_tx_laser_multispeed_fiber - Enable Tx laser
549 * @hw: pointer to hardware structure
551 * The base drivers may require better control over SFP+ module
552 * PHY states. This includes selectively turning on the Tx
553 * laser on the PHY, effectively starting physical link.
555 static void ixgbe_enable_tx_laser_multispeed_fiber(struct ixgbe_hw *hw)
557 u32 esdp_reg = IXGBE_READ_REG(hw, IXGBE_ESDP);
559 /* Enable tx laser; allow 100ms to light up */
560 esdp_reg &= ~IXGBE_ESDP_SDP3;
561 IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
562 IXGBE_WRITE_FLUSH(hw);
567 * ixgbe_flap_tx_laser_multispeed_fiber - Flap Tx laser
568 * @hw: pointer to hardware structure
570 * When the driver changes the link speeds that it can support,
571 * it sets autotry_restart to true to indicate that we need to
572 * initiate a new autotry session with the link partner. To do
573 * so, we set the speed then disable and re-enable the tx laser, to
574 * alert the link partner that it also needs to restart autotry on its
575 * end. This is consistent with true clause 37 autoneg, which also
576 * involves a loss of signal.
578 static void ixgbe_flap_tx_laser_multispeed_fiber(struct ixgbe_hw *hw)
580 if (hw->mac.autotry_restart) {
581 ixgbe_disable_tx_laser_multispeed_fiber(hw);
582 ixgbe_enable_tx_laser_multispeed_fiber(hw);
583 hw->mac.autotry_restart = false;
588 * ixgbe_set_fiber_fixed_speed - Set module link speed for fixed fiber
589 * @hw: pointer to hardware structure
590 * @speed: link speed to set
592 * We set the module speed differently for fixed fiber. For other
593 * multi-speed devices we don't have an error value so here if we
594 * detect an error we just log it and exit.
596 static void ixgbe_set_fiber_fixed_speed(struct ixgbe_hw *hw,
597 ixgbe_link_speed speed)
603 case IXGBE_LINK_SPEED_10GB_FULL:
604 /* one bit mask same as setting on */
605 rs = IXGBE_SFF_SOFT_RS_SELECT_10G;
607 case IXGBE_LINK_SPEED_1GB_FULL:
608 rs = IXGBE_SFF_SOFT_RS_SELECT_1G;
611 hw_dbg(hw, "Invalid fixed module speed\n");
616 status = hw->phy.ops.read_i2c_byte(hw, IXGBE_SFF_SFF_8472_OSCB,
617 IXGBE_I2C_EEPROM_DEV_ADDR2,
620 hw_dbg(hw, "Failed to read Rx Rate Select RS0\n");
624 eeprom_data = (eeprom_data & ~IXGBE_SFF_SOFT_RS_SELECT_MASK) & rs;
626 status = hw->phy.ops.write_i2c_byte(hw, IXGBE_SFF_SFF_8472_OSCB,
627 IXGBE_I2C_EEPROM_DEV_ADDR2,
630 hw_dbg(hw, "Failed to write Rx Rate Select RS0\n");
635 status = hw->phy.ops.read_i2c_byte(hw, IXGBE_SFF_SFF_8472_ESCB,
636 IXGBE_I2C_EEPROM_DEV_ADDR2,
639 hw_dbg(hw, "Failed to read Rx Rate Select RS1\n");
643 eeprom_data = (eeprom_data & ~IXGBE_SFF_SOFT_RS_SELECT_MASK) & rs;
645 status = hw->phy.ops.write_i2c_byte(hw, IXGBE_SFF_SFF_8472_ESCB,
646 IXGBE_I2C_EEPROM_DEV_ADDR2,
649 hw_dbg(hw, "Failed to write Rx Rate Select RS1\n");
657 * ixgbe_setup_mac_link_multispeed_fiber - Set MAC link speed
658 * @hw: pointer to hardware structure
659 * @speed: new link speed
660 * @autoneg_wait_to_complete: true when waiting for completion is needed
662 * Set the link speed in the AUTOC register and restarts link.
664 static s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw,
665 ixgbe_link_speed speed,
666 bool autoneg_wait_to_complete)
669 ixgbe_link_speed link_speed = IXGBE_LINK_SPEED_UNKNOWN;
670 ixgbe_link_speed highest_link_speed = IXGBE_LINK_SPEED_UNKNOWN;
672 u32 esdp_reg = IXGBE_READ_REG(hw, IXGBE_ESDP);
674 bool link_up = false;
675 bool autoneg = false;
677 /* Mask off requested but non-supported speeds */
678 status = hw->mac.ops.get_link_capabilities(hw, &link_speed,
686 * Try each speed one by one, highest priority first. We do this in
687 * software because 10gb fiber doesn't support speed autonegotiation.
689 if (speed & IXGBE_LINK_SPEED_10GB_FULL) {
691 highest_link_speed = IXGBE_LINK_SPEED_10GB_FULL;
693 /* If we already have link at this speed, just jump out */
694 status = hw->mac.ops.check_link(hw, &link_speed, &link_up,
699 if ((link_speed == IXGBE_LINK_SPEED_10GB_FULL) && link_up)
702 /* Set the module link speed */
703 if (hw->phy.media_type == ixgbe_media_type_fiber_fixed) {
704 ixgbe_set_fiber_fixed_speed(hw,
705 IXGBE_LINK_SPEED_10GB_FULL);
707 esdp_reg |= (IXGBE_ESDP_SDP5_DIR | IXGBE_ESDP_SDP5);
708 IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
709 IXGBE_WRITE_FLUSH(hw);
712 /* Allow module to change analog characteristics (1G->10G) */
715 status = ixgbe_setup_mac_link_82599(hw,
716 IXGBE_LINK_SPEED_10GB_FULL,
717 autoneg_wait_to_complete);
721 /* Flap the tx laser if it has not already been done */
722 if (hw->mac.ops.flap_tx_laser)
723 hw->mac.ops.flap_tx_laser(hw);
726 * Wait for the controller to acquire link. Per IEEE 802.3ap,
727 * Section 73.10.2, we may have to wait up to 500ms if KR is
728 * attempted. 82599 uses the same timing for 10g SFI.
730 for (i = 0; i < 5; i++) {
731 /* Wait for the link partner to also set speed */
734 /* If we have link, just jump out */
735 status = hw->mac.ops.check_link(hw, &link_speed,
745 if (speed & IXGBE_LINK_SPEED_1GB_FULL) {
747 if (highest_link_speed == IXGBE_LINK_SPEED_UNKNOWN)
748 highest_link_speed = IXGBE_LINK_SPEED_1GB_FULL;
750 /* If we already have link at this speed, just jump out */
751 status = hw->mac.ops.check_link(hw, &link_speed, &link_up,
756 if ((link_speed == IXGBE_LINK_SPEED_1GB_FULL) && link_up)
759 /* Set the module link speed */
760 if (hw->phy.media_type == ixgbe_media_type_fiber_fixed) {
761 ixgbe_set_fiber_fixed_speed(hw,
762 IXGBE_LINK_SPEED_1GB_FULL);
764 esdp_reg &= ~IXGBE_ESDP_SDP5;
765 esdp_reg |= IXGBE_ESDP_SDP5_DIR;
766 IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
767 IXGBE_WRITE_FLUSH(hw);
770 /* Allow module to change analog characteristics (10G->1G) */
773 status = ixgbe_setup_mac_link_82599(hw,
774 IXGBE_LINK_SPEED_1GB_FULL,
775 autoneg_wait_to_complete);
779 /* Flap the tx laser if it has not already been done */
780 if (hw->mac.ops.flap_tx_laser)
781 hw->mac.ops.flap_tx_laser(hw);
783 /* Wait for the link partner to also set speed */
786 /* If we have link, just jump out */
787 status = hw->mac.ops.check_link(hw, &link_speed, &link_up,
797 * We didn't get link. Configure back to the highest speed we tried,
798 * (if there was more than one). We call ourselves back with just the
799 * single highest speed that the user requested.
802 status = ixgbe_setup_mac_link_multispeed_fiber(hw,
804 autoneg_wait_to_complete);
807 /* Set autoneg_advertised value based on input link speed */
808 hw->phy.autoneg_advertised = 0;
810 if (speed & IXGBE_LINK_SPEED_10GB_FULL)
811 hw->phy.autoneg_advertised |= IXGBE_LINK_SPEED_10GB_FULL;
813 if (speed & IXGBE_LINK_SPEED_1GB_FULL)
814 hw->phy.autoneg_advertised |= IXGBE_LINK_SPEED_1GB_FULL;
820 * ixgbe_setup_mac_link_smartspeed - Set MAC link speed using SmartSpeed
821 * @hw: pointer to hardware structure
822 * @speed: new link speed
823 * @autoneg_wait_to_complete: true when waiting for completion is needed
825 * Implements the Intel SmartSpeed algorithm.
827 static s32 ixgbe_setup_mac_link_smartspeed(struct ixgbe_hw *hw,
828 ixgbe_link_speed speed,
829 bool autoneg_wait_to_complete)
832 ixgbe_link_speed link_speed = IXGBE_LINK_SPEED_UNKNOWN;
834 bool link_up = false;
835 u32 autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC);
837 /* Set autoneg_advertised value based on input link speed */
838 hw->phy.autoneg_advertised = 0;
840 if (speed & IXGBE_LINK_SPEED_10GB_FULL)
841 hw->phy.autoneg_advertised |= IXGBE_LINK_SPEED_10GB_FULL;
843 if (speed & IXGBE_LINK_SPEED_1GB_FULL)
844 hw->phy.autoneg_advertised |= IXGBE_LINK_SPEED_1GB_FULL;
846 if (speed & IXGBE_LINK_SPEED_100_FULL)
847 hw->phy.autoneg_advertised |= IXGBE_LINK_SPEED_100_FULL;
850 * Implement Intel SmartSpeed algorithm. SmartSpeed will reduce the
851 * autoneg advertisement if link is unable to be established at the
852 * highest negotiated rate. This can sometimes happen due to integrity
853 * issues with the physical media connection.
856 /* First, try to get link with full advertisement */
857 hw->phy.smart_speed_active = false;
858 for (j = 0; j < IXGBE_SMARTSPEED_MAX_RETRIES; j++) {
859 status = ixgbe_setup_mac_link_82599(hw, speed,
860 autoneg_wait_to_complete);
865 * Wait for the controller to acquire link. Per IEEE 802.3ap,
866 * Section 73.10.2, we may have to wait up to 500ms if KR is
867 * attempted, or 200ms if KX/KX4/BX/BX4 is attempted, per
868 * Table 9 in the AN MAS.
870 for (i = 0; i < 5; i++) {
873 /* If we have link, just jump out */
874 status = hw->mac.ops.check_link(hw, &link_speed,
885 * We didn't get link. If we advertised KR plus one of KX4/KX
886 * (or BX4/BX), then disable KR and try again.
888 if (((autoc_reg & IXGBE_AUTOC_KR_SUPP) == 0) ||
889 ((autoc_reg & IXGBE_AUTOC_KX4_KX_SUPP_MASK) == 0))
892 /* Turn SmartSpeed on to disable KR support */
893 hw->phy.smart_speed_active = true;
894 status = ixgbe_setup_mac_link_82599(hw, speed,
895 autoneg_wait_to_complete);
900 * Wait for the controller to acquire link. 600ms will allow for
901 * the AN link_fail_inhibit_timer as well for multiple cycles of
902 * parallel detect, both 10g and 1g. This allows for the maximum
903 * connect attempts as defined in the AN MAS table 73-7.
905 for (i = 0; i < 6; i++) {
908 /* If we have link, just jump out */
909 status = hw->mac.ops.check_link(hw, &link_speed,
918 /* We didn't get link. Turn SmartSpeed back off. */
919 hw->phy.smart_speed_active = false;
920 status = ixgbe_setup_mac_link_82599(hw, speed,
921 autoneg_wait_to_complete);
924 if (link_up && (link_speed == IXGBE_LINK_SPEED_1GB_FULL))
925 hw_dbg(hw, "Smartspeed has downgraded the link speed from "
926 "the maximum advertised\n");
931 * ixgbe_setup_mac_link_82599 - Set MAC link speed
932 * @hw: pointer to hardware structure
933 * @speed: new link speed
934 * @autoneg_wait_to_complete: true when waiting for completion is needed
936 * Set the link speed in the AUTOC register and restarts link.
938 static s32 ixgbe_setup_mac_link_82599(struct ixgbe_hw *hw,
939 ixgbe_link_speed speed,
940 bool autoneg_wait_to_complete)
943 u32 autoc, pma_pmd_1g, link_mode, start_autoc;
944 u32 autoc2 = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
946 u32 pma_pmd_10g_serial = autoc2 & IXGBE_AUTOC2_10G_SERIAL_PMA_PMD_MASK;
949 ixgbe_link_speed link_capabilities = IXGBE_LINK_SPEED_UNKNOWN;
950 bool got_lock = false;
951 bool autoneg = false;
953 /* Check to see if speed passed in is supported. */
954 status = hw->mac.ops.get_link_capabilities(hw, &link_capabilities,
959 speed &= link_capabilities;
961 if (speed == IXGBE_LINK_SPEED_UNKNOWN) {
962 status = IXGBE_ERR_LINK_SETUP;
966 /* Use stored value (EEPROM defaults) of AUTOC to find KR/KX4 support*/
967 if (hw->mac.orig_link_settings_stored)
968 autoc = hw->mac.orig_autoc;
970 autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
973 start_autoc = hw->mac.cached_autoc;
974 link_mode = autoc & IXGBE_AUTOC_LMS_MASK;
975 pma_pmd_1g = autoc & IXGBE_AUTOC_1G_PMA_PMD_MASK;
977 if (link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR ||
978 link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN ||
979 link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR_SGMII) {
980 /* Set KX4/KX/KR support according to speed requested */
981 autoc &= ~(IXGBE_AUTOC_KX4_KX_SUPP_MASK | IXGBE_AUTOC_KR_SUPP);
982 if (speed & IXGBE_LINK_SPEED_10GB_FULL) {
983 if (orig_autoc & IXGBE_AUTOC_KX4_SUPP)
984 autoc |= IXGBE_AUTOC_KX4_SUPP;
985 if ((orig_autoc & IXGBE_AUTOC_KR_SUPP) &&
986 (hw->phy.smart_speed_active == false))
987 autoc |= IXGBE_AUTOC_KR_SUPP;
989 if (speed & IXGBE_LINK_SPEED_1GB_FULL)
990 autoc |= IXGBE_AUTOC_KX_SUPP;
991 } else if ((pma_pmd_1g == IXGBE_AUTOC_1G_SFI) &&
992 (link_mode == IXGBE_AUTOC_LMS_1G_LINK_NO_AN ||
993 link_mode == IXGBE_AUTOC_LMS_1G_AN)) {
994 /* Switch from 1G SFI to 10G SFI if requested */
995 if ((speed == IXGBE_LINK_SPEED_10GB_FULL) &&
996 (pma_pmd_10g_serial == IXGBE_AUTOC2_10G_SFI)) {
997 autoc &= ~IXGBE_AUTOC_LMS_MASK;
998 autoc |= IXGBE_AUTOC_LMS_10G_SERIAL;
1000 } else if ((pma_pmd_10g_serial == IXGBE_AUTOC2_10G_SFI) &&
1001 (link_mode == IXGBE_AUTOC_LMS_10G_SERIAL)) {
1002 /* Switch from 10G SFI to 1G SFI if requested */
1003 if ((speed == IXGBE_LINK_SPEED_1GB_FULL) &&
1004 (pma_pmd_1g == IXGBE_AUTOC_1G_SFI)) {
1005 autoc &= ~IXGBE_AUTOC_LMS_MASK;
1007 autoc |= IXGBE_AUTOC_LMS_1G_AN;
1009 autoc |= IXGBE_AUTOC_LMS_1G_LINK_NO_AN;
1013 if (autoc != start_autoc) {
1014 /* Need SW/FW semaphore around AUTOC writes if LESM is on,
1015 * likewise reset_pipeline requires us to hold this lock as
1016 * it also writes to AUTOC.
1018 if (ixgbe_verify_lesm_fw_enabled_82599(hw)) {
1019 status = hw->mac.ops.acquire_swfw_sync(hw,
1020 IXGBE_GSSR_MAC_CSR_SM);
1028 IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc);
1029 hw->mac.cached_autoc = autoc;
1030 ixgbe_reset_pipeline_82599(hw);
1033 hw->mac.ops.release_swfw_sync(hw,
1034 IXGBE_GSSR_MAC_CSR_SM);
1036 /* Only poll for autoneg to complete if specified to do so */
1037 if (autoneg_wait_to_complete) {
1038 if (link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR ||
1039 link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN ||
1040 link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR_SGMII) {
1041 links_reg = 0; /*Just in case Autoneg time=0*/
1042 for (i = 0; i < IXGBE_AUTO_NEG_TIME; i++) {
1044 IXGBE_READ_REG(hw, IXGBE_LINKS);
1045 if (links_reg & IXGBE_LINKS_KX_AN_COMP)
1049 if (!(links_reg & IXGBE_LINKS_KX_AN_COMP)) {
1051 IXGBE_ERR_AUTONEG_NOT_COMPLETE;
1052 hw_dbg(hw, "Autoneg did not "
1058 /* Add delay to filter out noises during initial link setup */
1067 * ixgbe_setup_copper_link_82599 - Set the PHY autoneg advertised field
1068 * @hw: pointer to hardware structure
1069 * @speed: new link speed
1070 * @autoneg_wait_to_complete: true if waiting is needed to complete
1072 * Restarts link on PHY and MAC based on settings passed in.
1074 static s32 ixgbe_setup_copper_link_82599(struct ixgbe_hw *hw,
1075 ixgbe_link_speed speed,
1076 bool autoneg_wait_to_complete)
1080 /* Setup the PHY according to input speed */
1081 status = hw->phy.ops.setup_link_speed(hw, speed,
1082 autoneg_wait_to_complete);
1084 ixgbe_start_mac_link_82599(hw, autoneg_wait_to_complete);
1090 * ixgbe_reset_hw_82599 - Perform hardware reset
1091 * @hw: pointer to hardware structure
1093 * Resets the hardware by resetting the transmit and receive units, masks
1094 * and clears all interrupts, perform a PHY reset, and perform a link (MAC)
1097 static s32 ixgbe_reset_hw_82599(struct ixgbe_hw *hw)
1099 ixgbe_link_speed link_speed;
1101 u32 ctrl, i, autoc2;
1103 bool link_up = false;
1105 /* Call adapter stop to disable tx/rx and clear interrupts */
1106 status = hw->mac.ops.stop_adapter(hw);
1110 /* flush pending Tx transactions */
1111 ixgbe_clear_tx_pending(hw);
1113 /* PHY ops must be identified and initialized prior to reset */
1115 /* Identify PHY and related function pointers */
1116 status = hw->phy.ops.init(hw);
1118 if (status == IXGBE_ERR_SFP_NOT_SUPPORTED)
1121 /* Setup SFP module if there is one present. */
1122 if (hw->phy.sfp_setup_needed) {
1123 status = hw->mac.ops.setup_sfp(hw);
1124 hw->phy.sfp_setup_needed = false;
1127 if (status == IXGBE_ERR_SFP_NOT_SUPPORTED)
1131 if (hw->phy.reset_disable == false && hw->phy.ops.reset != NULL)
1132 hw->phy.ops.reset(hw);
1134 /* remember AUTOC from before we reset */
1135 if (hw->mac.cached_autoc)
1136 curr_lms = hw->mac.cached_autoc & IXGBE_AUTOC_LMS_MASK;
1138 curr_lms = IXGBE_READ_REG(hw, IXGBE_AUTOC) &
1139 IXGBE_AUTOC_LMS_MASK;
1143 * Issue global reset to the MAC. Needs to be SW reset if link is up.
1144 * If link reset is used when link is up, it might reset the PHY when
1145 * mng is using it. If link is down or the flag to force full link
1146 * reset is set, then perform link reset.
1148 ctrl = IXGBE_CTRL_LNK_RST;
1149 if (!hw->force_full_reset) {
1150 hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
1152 ctrl = IXGBE_CTRL_RST;
1155 ctrl |= IXGBE_READ_REG(hw, IXGBE_CTRL);
1156 IXGBE_WRITE_REG(hw, IXGBE_CTRL, ctrl);
1157 IXGBE_WRITE_FLUSH(hw);
1159 /* Poll for reset bit to self-clear indicating reset is complete */
1160 for (i = 0; i < 10; i++) {
1162 ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL);
1163 if (!(ctrl & IXGBE_CTRL_RST_MASK))
1167 if (ctrl & IXGBE_CTRL_RST_MASK) {
1168 status = IXGBE_ERR_RESET_FAILED;
1169 hw_dbg(hw, "Reset polling failed to complete.\n");
1175 * Double resets are required for recovery from certain error
1176 * conditions. Between resets, it is necessary to stall to allow time
1177 * for any pending HW events to complete.
1179 if (hw->mac.flags & IXGBE_FLAGS_DOUBLE_RESET_REQUIRED) {
1180 hw->mac.flags &= ~IXGBE_FLAGS_DOUBLE_RESET_REQUIRED;
1185 * Store the original AUTOC/AUTOC2 values if they have not been
1186 * stored off yet. Otherwise restore the stored original
1187 * values since the reset operation sets back to defaults.
1189 hw->mac.cached_autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
1190 autoc2 = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
1192 /* Enable link if disabled in NVM */
1193 if (autoc2 & IXGBE_AUTOC2_LINK_DISABLE_MASK) {
1194 autoc2 &= ~IXGBE_AUTOC2_LINK_DISABLE_MASK;
1195 IXGBE_WRITE_REG(hw, IXGBE_AUTOC2, autoc2);
1196 IXGBE_WRITE_FLUSH(hw);
1199 if (hw->mac.orig_link_settings_stored == false) {
1200 hw->mac.orig_autoc = hw->mac.cached_autoc;
1201 hw->mac.orig_autoc2 = autoc2;
1202 hw->mac.orig_link_settings_stored = true;
1205 /* If MNG FW is running on a multi-speed device that
1206 * doesn't autoneg with out driver support we need to
1207 * leave LMS in the state it was before we MAC reset.
1208 * Likewise if we support WoL we don't want change the
1211 if ((hw->phy.multispeed_fiber && hw->mng_fw_enabled) ||
1213 hw->mac.orig_autoc =
1214 (hw->mac.orig_autoc & ~IXGBE_AUTOC_LMS_MASK) |
1217 if (hw->mac.cached_autoc != hw->mac.orig_autoc) {
1218 /* Need SW/FW semaphore around AUTOC writes if LESM is
1219 * on, likewise reset_pipeline requires us to hold
1220 * this lock as it also writes to AUTOC.
1222 bool got_lock = false;
1223 if (ixgbe_verify_lesm_fw_enabled_82599(hw)) {
1224 status = hw->mac.ops.acquire_swfw_sync(hw,
1225 IXGBE_GSSR_MAC_CSR_SM);
1232 IXGBE_WRITE_REG(hw, IXGBE_AUTOC, hw->mac.orig_autoc);
1233 hw->mac.cached_autoc = hw->mac.orig_autoc;
1234 ixgbe_reset_pipeline_82599(hw);
1237 hw->mac.ops.release_swfw_sync(hw,
1238 IXGBE_GSSR_MAC_CSR_SM);
1241 if ((autoc2 & IXGBE_AUTOC2_UPPER_MASK) !=
1242 (hw->mac.orig_autoc2 & IXGBE_AUTOC2_UPPER_MASK)) {
1243 autoc2 &= ~IXGBE_AUTOC2_UPPER_MASK;
1244 autoc2 |= (hw->mac.orig_autoc2 &
1245 IXGBE_AUTOC2_UPPER_MASK);
1246 IXGBE_WRITE_REG(hw, IXGBE_AUTOC2, autoc2);
1250 /* Store the permanent mac address */
1251 hw->mac.ops.get_mac_addr(hw, hw->mac.perm_addr);
1254 * Store MAC address from RAR0, clear receive address registers, and
1255 * clear the multicast table. Also reset num_rar_entries to 128,
1256 * since we modify this value when programming the SAN MAC address.
1258 hw->mac.num_rar_entries = 128;
1259 hw->mac.ops.init_rx_addrs(hw);
1261 /* Store the permanent SAN mac address */
1262 hw->mac.ops.get_san_mac_addr(hw, hw->mac.san_addr);
1264 /* Add the SAN MAC address to the RAR only if it's a valid address */
1265 if (is_valid_ether_addr(hw->mac.san_addr)) {
1266 hw->mac.ops.set_rar(hw, hw->mac.num_rar_entries - 1,
1267 hw->mac.san_addr, 0, IXGBE_RAH_AV);
1269 /* Save the SAN MAC RAR index */
1270 hw->mac.san_mac_rar_index = hw->mac.num_rar_entries - 1;
1272 /* Reserve the last RAR for the SAN MAC address */
1273 hw->mac.num_rar_entries--;
1276 /* Store the alternative WWNN/WWPN prefix */
1277 hw->mac.ops.get_wwn_prefix(hw, &hw->mac.wwnn_prefix,
1278 &hw->mac.wwpn_prefix);
1285 * ixgbe_reinit_fdir_tables_82599 - Reinitialize Flow Director tables.
1286 * @hw: pointer to hardware structure
1288 s32 ixgbe_reinit_fdir_tables_82599(struct ixgbe_hw *hw)
1291 u32 fdirctrl = IXGBE_READ_REG(hw, IXGBE_FDIRCTRL);
1292 fdirctrl &= ~IXGBE_FDIRCTRL_INIT_DONE;
1295 * Before starting reinitialization process,
1296 * FDIRCMD.CMD must be zero.
1298 for (i = 0; i < IXGBE_FDIRCMD_CMD_POLL; i++) {
1299 if (!(IXGBE_READ_REG(hw, IXGBE_FDIRCMD) &
1300 IXGBE_FDIRCMD_CMD_MASK))
1304 if (i >= IXGBE_FDIRCMD_CMD_POLL) {
1305 hw_dbg(hw, "Flow Director previous command isn't complete, "
1306 "aborting table re-initialization.\n");
1307 return IXGBE_ERR_FDIR_REINIT_FAILED;
1310 IXGBE_WRITE_REG(hw, IXGBE_FDIRFREE, 0);
1311 IXGBE_WRITE_FLUSH(hw);
1313 * 82599 adapters flow director init flow cannot be restarted,
1314 * Workaround 82599 silicon errata by performing the following steps
1315 * before re-writing the FDIRCTRL control register with the same value.
1316 * - write 1 to bit 8 of FDIRCMD register &
1317 * - write 0 to bit 8 of FDIRCMD register
1319 IXGBE_WRITE_REG(hw, IXGBE_FDIRCMD,
1320 (IXGBE_READ_REG(hw, IXGBE_FDIRCMD) |
1321 IXGBE_FDIRCMD_CLEARHT));
1322 IXGBE_WRITE_FLUSH(hw);
1323 IXGBE_WRITE_REG(hw, IXGBE_FDIRCMD,
1324 (IXGBE_READ_REG(hw, IXGBE_FDIRCMD) &
1325 ~IXGBE_FDIRCMD_CLEARHT));
1326 IXGBE_WRITE_FLUSH(hw);
1328 * Clear FDIR Hash register to clear any leftover hashes
1329 * waiting to be programmed.
1331 IXGBE_WRITE_REG(hw, IXGBE_FDIRHASH, 0x00);
1332 IXGBE_WRITE_FLUSH(hw);
1334 IXGBE_WRITE_REG(hw, IXGBE_FDIRCTRL, fdirctrl);
1335 IXGBE_WRITE_FLUSH(hw);
1337 /* Poll init-done after we write FDIRCTRL register */
1338 for (i = 0; i < IXGBE_FDIR_INIT_DONE_POLL; i++) {
1339 if (IXGBE_READ_REG(hw, IXGBE_FDIRCTRL) &
1340 IXGBE_FDIRCTRL_INIT_DONE)
1342 usleep_range(1000, 2000);
1344 if (i >= IXGBE_FDIR_INIT_DONE_POLL) {
1345 hw_dbg(hw, "Flow Director Signature poll time exceeded!\n");
1346 return IXGBE_ERR_FDIR_REINIT_FAILED;
1349 /* Clear FDIR statistics registers (read to clear) */
1350 IXGBE_READ_REG(hw, IXGBE_FDIRUSTAT);
1351 IXGBE_READ_REG(hw, IXGBE_FDIRFSTAT);
1352 IXGBE_READ_REG(hw, IXGBE_FDIRMATCH);
1353 IXGBE_READ_REG(hw, IXGBE_FDIRMISS);
1354 IXGBE_READ_REG(hw, IXGBE_FDIRLEN);
1360 * ixgbe_fdir_enable_82599 - Initialize Flow Director control registers
1361 * @hw: pointer to hardware structure
1362 * @fdirctrl: value to write to flow director control register
1364 static void ixgbe_fdir_enable_82599(struct ixgbe_hw *hw, u32 fdirctrl)
1368 /* Prime the keys for hashing */
1369 IXGBE_WRITE_REG(hw, IXGBE_FDIRHKEY, IXGBE_ATR_BUCKET_HASH_KEY);
1370 IXGBE_WRITE_REG(hw, IXGBE_FDIRSKEY, IXGBE_ATR_SIGNATURE_HASH_KEY);
1373 * Poll init-done after we write the register. Estimated times:
1374 * 10G: PBALLOC = 11b, timing is 60us
1375 * 1G: PBALLOC = 11b, timing is 600us
1376 * 100M: PBALLOC = 11b, timing is 6ms
1378 * Multiple these timings by 4 if under full Rx load
1380 * So we'll poll for IXGBE_FDIR_INIT_DONE_POLL times, sleeping for
1381 * 1 msec per poll time. If we're at line rate and drop to 100M, then
1382 * this might not finish in our poll time, but we can live with that
1385 IXGBE_WRITE_REG(hw, IXGBE_FDIRCTRL, fdirctrl);
1386 IXGBE_WRITE_FLUSH(hw);
1387 for (i = 0; i < IXGBE_FDIR_INIT_DONE_POLL; i++) {
1388 if (IXGBE_READ_REG(hw, IXGBE_FDIRCTRL) &
1389 IXGBE_FDIRCTRL_INIT_DONE)
1391 usleep_range(1000, 2000);
1394 if (i >= IXGBE_FDIR_INIT_DONE_POLL)
1395 hw_dbg(hw, "Flow Director poll time exceeded!\n");
1399 * ixgbe_init_fdir_signature_82599 - Initialize Flow Director signature filters
1400 * @hw: pointer to hardware structure
1401 * @fdirctrl: value to write to flow director control register, initially
1402 * contains just the value of the Rx packet buffer allocation
1404 s32 ixgbe_init_fdir_signature_82599(struct ixgbe_hw *hw, u32 fdirctrl)
1407 * Continue setup of fdirctrl register bits:
1408 * Move the flexible bytes to use the ethertype - shift 6 words
1409 * Set the maximum length per hash bucket to 0xA filters
1410 * Send interrupt when 64 filters are left
1412 fdirctrl |= (0x6 << IXGBE_FDIRCTRL_FLEX_SHIFT) |
1413 (0xA << IXGBE_FDIRCTRL_MAX_LENGTH_SHIFT) |
1414 (4 << IXGBE_FDIRCTRL_FULL_THRESH_SHIFT);
1416 /* write hashes and fdirctrl register, poll for completion */
1417 ixgbe_fdir_enable_82599(hw, fdirctrl);
1423 * ixgbe_init_fdir_perfect_82599 - Initialize Flow Director perfect filters
1424 * @hw: pointer to hardware structure
1425 * @fdirctrl: value to write to flow director control register, initially
1426 * contains just the value of the Rx packet buffer allocation
1428 s32 ixgbe_init_fdir_perfect_82599(struct ixgbe_hw *hw, u32 fdirctrl)
1431 * Continue setup of fdirctrl register bits:
1432 * Turn perfect match filtering on
1433 * Report hash in RSS field of Rx wb descriptor
1434 * Initialize the drop queue
1435 * Move the flexible bytes to use the ethertype - shift 6 words
1436 * Set the maximum length per hash bucket to 0xA filters
1437 * Send interrupt when 64 (0x4 * 16) filters are left
1439 fdirctrl |= IXGBE_FDIRCTRL_PERFECT_MATCH |
1440 IXGBE_FDIRCTRL_REPORT_STATUS |
1441 (IXGBE_FDIR_DROP_QUEUE << IXGBE_FDIRCTRL_DROP_Q_SHIFT) |
1442 (0x6 << IXGBE_FDIRCTRL_FLEX_SHIFT) |
1443 (0xA << IXGBE_FDIRCTRL_MAX_LENGTH_SHIFT) |
1444 (4 << IXGBE_FDIRCTRL_FULL_THRESH_SHIFT);
1446 /* write hashes and fdirctrl register, poll for completion */
1447 ixgbe_fdir_enable_82599(hw, fdirctrl);
1453 * These defines allow us to quickly generate all of the necessary instructions
1454 * in the function below by simply calling out IXGBE_COMPUTE_SIG_HASH_ITERATION
1455 * for values 0 through 15
1457 #define IXGBE_ATR_COMMON_HASH_KEY \
1458 (IXGBE_ATR_BUCKET_HASH_KEY & IXGBE_ATR_SIGNATURE_HASH_KEY)
1459 #define IXGBE_COMPUTE_SIG_HASH_ITERATION(_n) \
1462 if (IXGBE_ATR_COMMON_HASH_KEY & (0x01 << n)) \
1463 common_hash ^= lo_hash_dword >> n; \
1464 else if (IXGBE_ATR_BUCKET_HASH_KEY & (0x01 << n)) \
1465 bucket_hash ^= lo_hash_dword >> n; \
1466 else if (IXGBE_ATR_SIGNATURE_HASH_KEY & (0x01 << n)) \
1467 sig_hash ^= lo_hash_dword << (16 - n); \
1468 if (IXGBE_ATR_COMMON_HASH_KEY & (0x01 << (n + 16))) \
1469 common_hash ^= hi_hash_dword >> n; \
1470 else if (IXGBE_ATR_BUCKET_HASH_KEY & (0x01 << (n + 16))) \
1471 bucket_hash ^= hi_hash_dword >> n; \
1472 else if (IXGBE_ATR_SIGNATURE_HASH_KEY & (0x01 << (n + 16))) \
1473 sig_hash ^= hi_hash_dword << (16 - n); \
1477 * ixgbe_atr_compute_sig_hash_82599 - Compute the signature hash
1478 * @stream: input bitstream to compute the hash on
1480 * This function is almost identical to the function above but contains
1481 * several optomizations such as unwinding all of the loops, letting the
1482 * compiler work out all of the conditional ifs since the keys are static
1483 * defines, and computing two keys at once since the hashed dword stream
1484 * will be the same for both keys.
1486 static u32 ixgbe_atr_compute_sig_hash_82599(union ixgbe_atr_hash_dword input,
1487 union ixgbe_atr_hash_dword common)
1489 u32 hi_hash_dword, lo_hash_dword, flow_vm_vlan;
1490 u32 sig_hash = 0, bucket_hash = 0, common_hash = 0;
1492 /* record the flow_vm_vlan bits as they are a key part to the hash */
1493 flow_vm_vlan = ntohl(input.dword);
1495 /* generate common hash dword */
1496 hi_hash_dword = ntohl(common.dword);
1498 /* low dword is word swapped version of common */
1499 lo_hash_dword = (hi_hash_dword >> 16) | (hi_hash_dword << 16);
1501 /* apply flow ID/VM pool/VLAN ID bits to hash words */
1502 hi_hash_dword ^= flow_vm_vlan ^ (flow_vm_vlan >> 16);
1504 /* Process bits 0 and 16 */
1505 IXGBE_COMPUTE_SIG_HASH_ITERATION(0);
1508 * apply flow ID/VM pool/VLAN ID bits to lo hash dword, we had to
1509 * delay this because bit 0 of the stream should not be processed
1510 * so we do not add the vlan until after bit 0 was processed
1512 lo_hash_dword ^= flow_vm_vlan ^ (flow_vm_vlan << 16);
1514 /* Process remaining 30 bit of the key */
1515 IXGBE_COMPUTE_SIG_HASH_ITERATION(1);
1516 IXGBE_COMPUTE_SIG_HASH_ITERATION(2);
1517 IXGBE_COMPUTE_SIG_HASH_ITERATION(3);
1518 IXGBE_COMPUTE_SIG_HASH_ITERATION(4);
1519 IXGBE_COMPUTE_SIG_HASH_ITERATION(5);
1520 IXGBE_COMPUTE_SIG_HASH_ITERATION(6);
1521 IXGBE_COMPUTE_SIG_HASH_ITERATION(7);
1522 IXGBE_COMPUTE_SIG_HASH_ITERATION(8);
1523 IXGBE_COMPUTE_SIG_HASH_ITERATION(9);
1524 IXGBE_COMPUTE_SIG_HASH_ITERATION(10);
1525 IXGBE_COMPUTE_SIG_HASH_ITERATION(11);
1526 IXGBE_COMPUTE_SIG_HASH_ITERATION(12);
1527 IXGBE_COMPUTE_SIG_HASH_ITERATION(13);
1528 IXGBE_COMPUTE_SIG_HASH_ITERATION(14);
1529 IXGBE_COMPUTE_SIG_HASH_ITERATION(15);
1531 /* combine common_hash result with signature and bucket hashes */
1532 bucket_hash ^= common_hash;
1533 bucket_hash &= IXGBE_ATR_HASH_MASK;
1535 sig_hash ^= common_hash << 16;
1536 sig_hash &= IXGBE_ATR_HASH_MASK << 16;
1538 /* return completed signature hash */
1539 return sig_hash ^ bucket_hash;
1543 * ixgbe_atr_add_signature_filter_82599 - Adds a signature hash filter
1544 * @hw: pointer to hardware structure
1545 * @input: unique input dword
1546 * @common: compressed common input dword
1547 * @queue: queue index to direct traffic to
1549 s32 ixgbe_fdir_add_signature_filter_82599(struct ixgbe_hw *hw,
1550 union ixgbe_atr_hash_dword input,
1551 union ixgbe_atr_hash_dword common,
1558 * Get the flow_type in order to program FDIRCMD properly
1559 * lowest 2 bits are FDIRCMD.L4TYPE, third lowest bit is FDIRCMD.IPV6
1561 switch (input.formatted.flow_type) {
1562 case IXGBE_ATR_FLOW_TYPE_TCPV4:
1563 case IXGBE_ATR_FLOW_TYPE_UDPV4:
1564 case IXGBE_ATR_FLOW_TYPE_SCTPV4:
1565 case IXGBE_ATR_FLOW_TYPE_TCPV6:
1566 case IXGBE_ATR_FLOW_TYPE_UDPV6:
1567 case IXGBE_ATR_FLOW_TYPE_SCTPV6:
1570 hw_dbg(hw, " Error on flow type input\n");
1571 return IXGBE_ERR_CONFIG;
1574 /* configure FDIRCMD register */
1575 fdircmd = IXGBE_FDIRCMD_CMD_ADD_FLOW | IXGBE_FDIRCMD_FILTER_UPDATE |
1576 IXGBE_FDIRCMD_LAST | IXGBE_FDIRCMD_QUEUE_EN;
1577 fdircmd |= input.formatted.flow_type << IXGBE_FDIRCMD_FLOW_TYPE_SHIFT;
1578 fdircmd |= (u32)queue << IXGBE_FDIRCMD_RX_QUEUE_SHIFT;
1581 * The lower 32-bits of fdirhashcmd is for FDIRHASH, the upper 32-bits
1582 * is for FDIRCMD. Then do a 64-bit register write from FDIRHASH.
1584 fdirhashcmd = (u64)fdircmd << 32;
1585 fdirhashcmd |= ixgbe_atr_compute_sig_hash_82599(input, common);
1586 IXGBE_WRITE_REG64(hw, IXGBE_FDIRHASH, fdirhashcmd);
1588 hw_dbg(hw, "Tx Queue=%x hash=%x\n", queue, (u32)fdirhashcmd);
1593 #define IXGBE_COMPUTE_BKT_HASH_ITERATION(_n) \
1596 if (IXGBE_ATR_BUCKET_HASH_KEY & (0x01 << n)) \
1597 bucket_hash ^= lo_hash_dword >> n; \
1598 if (IXGBE_ATR_BUCKET_HASH_KEY & (0x01 << (n + 16))) \
1599 bucket_hash ^= hi_hash_dword >> n; \
1603 * ixgbe_atr_compute_perfect_hash_82599 - Compute the perfect filter hash
1604 * @atr_input: input bitstream to compute the hash on
1605 * @input_mask: mask for the input bitstream
1607 * This function serves two main purposes. First it applys the input_mask
1608 * to the atr_input resulting in a cleaned up atr_input data stream.
1609 * Secondly it computes the hash and stores it in the bkt_hash field at
1610 * the end of the input byte stream. This way it will be available for
1611 * future use without needing to recompute the hash.
1613 void ixgbe_atr_compute_perfect_hash_82599(union ixgbe_atr_input *input,
1614 union ixgbe_atr_input *input_mask)
1617 u32 hi_hash_dword, lo_hash_dword, flow_vm_vlan;
1618 u32 bucket_hash = 0;
1620 /* Apply masks to input data */
1621 input->dword_stream[0] &= input_mask->dword_stream[0];
1622 input->dword_stream[1] &= input_mask->dword_stream[1];
1623 input->dword_stream[2] &= input_mask->dword_stream[2];
1624 input->dword_stream[3] &= input_mask->dword_stream[3];
1625 input->dword_stream[4] &= input_mask->dword_stream[4];
1626 input->dword_stream[5] &= input_mask->dword_stream[5];
1627 input->dword_stream[6] &= input_mask->dword_stream[6];
1628 input->dword_stream[7] &= input_mask->dword_stream[7];
1629 input->dword_stream[8] &= input_mask->dword_stream[8];
1630 input->dword_stream[9] &= input_mask->dword_stream[9];
1631 input->dword_stream[10] &= input_mask->dword_stream[10];
1633 /* record the flow_vm_vlan bits as they are a key part to the hash */
1634 flow_vm_vlan = ntohl(input->dword_stream[0]);
1636 /* generate common hash dword */
1637 hi_hash_dword = ntohl(input->dword_stream[1] ^
1638 input->dword_stream[2] ^
1639 input->dword_stream[3] ^
1640 input->dword_stream[4] ^
1641 input->dword_stream[5] ^
1642 input->dword_stream[6] ^
1643 input->dword_stream[7] ^
1644 input->dword_stream[8] ^
1645 input->dword_stream[9] ^
1646 input->dword_stream[10]);
1648 /* low dword is word swapped version of common */
1649 lo_hash_dword = (hi_hash_dword >> 16) | (hi_hash_dword << 16);
1651 /* apply flow ID/VM pool/VLAN ID bits to hash words */
1652 hi_hash_dword ^= flow_vm_vlan ^ (flow_vm_vlan >> 16);
1654 /* Process bits 0 and 16 */
1655 IXGBE_COMPUTE_BKT_HASH_ITERATION(0);
1658 * apply flow ID/VM pool/VLAN ID bits to lo hash dword, we had to
1659 * delay this because bit 0 of the stream should not be processed
1660 * so we do not add the vlan until after bit 0 was processed
1662 lo_hash_dword ^= flow_vm_vlan ^ (flow_vm_vlan << 16);
1664 /* Process remaining 30 bit of the key */
1665 IXGBE_COMPUTE_BKT_HASH_ITERATION(1);
1666 IXGBE_COMPUTE_BKT_HASH_ITERATION(2);
1667 IXGBE_COMPUTE_BKT_HASH_ITERATION(3);
1668 IXGBE_COMPUTE_BKT_HASH_ITERATION(4);
1669 IXGBE_COMPUTE_BKT_HASH_ITERATION(5);
1670 IXGBE_COMPUTE_BKT_HASH_ITERATION(6);
1671 IXGBE_COMPUTE_BKT_HASH_ITERATION(7);
1672 IXGBE_COMPUTE_BKT_HASH_ITERATION(8);
1673 IXGBE_COMPUTE_BKT_HASH_ITERATION(9);
1674 IXGBE_COMPUTE_BKT_HASH_ITERATION(10);
1675 IXGBE_COMPUTE_BKT_HASH_ITERATION(11);
1676 IXGBE_COMPUTE_BKT_HASH_ITERATION(12);
1677 IXGBE_COMPUTE_BKT_HASH_ITERATION(13);
1678 IXGBE_COMPUTE_BKT_HASH_ITERATION(14);
1679 IXGBE_COMPUTE_BKT_HASH_ITERATION(15);
1682 * Limit hash to 13 bits since max bucket count is 8K.
1683 * Store result at the end of the input stream.
1685 input->formatted.bkt_hash = bucket_hash & 0x1FFF;
1689 * ixgbe_get_fdirtcpm_82599 - generate a tcp port from atr_input_masks
1690 * @input_mask: mask to be bit swapped
1692 * The source and destination port masks for flow director are bit swapped
1693 * in that bit 15 effects bit 0, 14 effects 1, 13, 2 etc. In order to
1694 * generate a correctly swapped value we need to bit swap the mask and that
1695 * is what is accomplished by this function.
1697 static u32 ixgbe_get_fdirtcpm_82599(union ixgbe_atr_input *input_mask)
1699 u32 mask = ntohs(input_mask->formatted.dst_port);
1700 mask <<= IXGBE_FDIRTCPM_DPORTM_SHIFT;
1701 mask |= ntohs(input_mask->formatted.src_port);
1702 mask = ((mask & 0x55555555) << 1) | ((mask & 0xAAAAAAAA) >> 1);
1703 mask = ((mask & 0x33333333) << 2) | ((mask & 0xCCCCCCCC) >> 2);
1704 mask = ((mask & 0x0F0F0F0F) << 4) | ((mask & 0xF0F0F0F0) >> 4);
1705 return ((mask & 0x00FF00FF) << 8) | ((mask & 0xFF00FF00) >> 8);
1709 * These two macros are meant to address the fact that we have registers
1710 * that are either all or in part big-endian. As a result on big-endian
1711 * systems we will end up byte swapping the value to little-endian before
1712 * it is byte swapped again and written to the hardware in the original
1713 * big-endian format.
1715 #define IXGBE_STORE_AS_BE32(_value) \
1716 (((u32)(_value) >> 24) | (((u32)(_value) & 0x00FF0000) >> 8) | \
1717 (((u32)(_value) & 0x0000FF00) << 8) | ((u32)(_value) << 24))
1719 #define IXGBE_WRITE_REG_BE32(a, reg, value) \
1720 IXGBE_WRITE_REG((a), (reg), IXGBE_STORE_AS_BE32(ntohl(value)))
1722 #define IXGBE_STORE_AS_BE16(_value) \
1723 ntohs(((u16)(_value) >> 8) | ((u16)(_value) << 8))
1725 s32 ixgbe_fdir_set_input_mask_82599(struct ixgbe_hw *hw,
1726 union ixgbe_atr_input *input_mask)
1728 /* mask IPv6 since it is currently not supported */
1729 u32 fdirm = IXGBE_FDIRM_DIPv6;
1733 * Program the relevant mask registers. If src/dst_port or src/dst_addr
1734 * are zero, then assume a full mask for that field. Also assume that
1735 * a VLAN of 0 is unspecified, so mask that out as well. L4type
1736 * cannot be masked out in this implementation.
1738 * This also assumes IPv4 only. IPv6 masking isn't supported at this
1742 /* verify bucket hash is cleared on hash generation */
1743 if (input_mask->formatted.bkt_hash)
1744 hw_dbg(hw, " bucket hash should always be 0 in mask\n");
1746 /* Program FDIRM and verify partial masks */
1747 switch (input_mask->formatted.vm_pool & 0x7F) {
1749 fdirm |= IXGBE_FDIRM_POOL;
1753 hw_dbg(hw, " Error on vm pool mask\n");
1754 return IXGBE_ERR_CONFIG;
1757 switch (input_mask->formatted.flow_type & IXGBE_ATR_L4TYPE_MASK) {
1759 fdirm |= IXGBE_FDIRM_L4P;
1760 if (input_mask->formatted.dst_port ||
1761 input_mask->formatted.src_port) {
1762 hw_dbg(hw, " Error on src/dst port mask\n");
1763 return IXGBE_ERR_CONFIG;
1765 case IXGBE_ATR_L4TYPE_MASK:
1768 hw_dbg(hw, " Error on flow type mask\n");
1769 return IXGBE_ERR_CONFIG;
1772 switch (ntohs(input_mask->formatted.vlan_id) & 0xEFFF) {
1774 /* mask VLAN ID, fall through to mask VLAN priority */
1775 fdirm |= IXGBE_FDIRM_VLANID;
1777 /* mask VLAN priority */
1778 fdirm |= IXGBE_FDIRM_VLANP;
1781 /* mask VLAN ID only, fall through */
1782 fdirm |= IXGBE_FDIRM_VLANID;
1784 /* no VLAN fields masked */
1787 hw_dbg(hw, " Error on VLAN mask\n");
1788 return IXGBE_ERR_CONFIG;
1791 switch (input_mask->formatted.flex_bytes & 0xFFFF) {
1793 /* Mask Flex Bytes, fall through */
1794 fdirm |= IXGBE_FDIRM_FLEX;
1798 hw_dbg(hw, " Error on flexible byte mask\n");
1799 return IXGBE_ERR_CONFIG;
1802 /* Now mask VM pool and destination IPv6 - bits 5 and 2 */
1803 IXGBE_WRITE_REG(hw, IXGBE_FDIRM, fdirm);
1805 /* store the TCP/UDP port masks, bit reversed from port layout */
1806 fdirtcpm = ixgbe_get_fdirtcpm_82599(input_mask);
1808 /* write both the same so that UDP and TCP use the same mask */
1809 IXGBE_WRITE_REG(hw, IXGBE_FDIRTCPM, ~fdirtcpm);
1810 IXGBE_WRITE_REG(hw, IXGBE_FDIRUDPM, ~fdirtcpm);
1812 /* store source and destination IP masks (big-enian) */
1813 IXGBE_WRITE_REG_BE32(hw, IXGBE_FDIRSIP4M,
1814 ~input_mask->formatted.src_ip[0]);
1815 IXGBE_WRITE_REG_BE32(hw, IXGBE_FDIRDIP4M,
1816 ~input_mask->formatted.dst_ip[0]);
1821 s32 ixgbe_fdir_write_perfect_filter_82599(struct ixgbe_hw *hw,
1822 union ixgbe_atr_input *input,
1823 u16 soft_id, u8 queue)
1825 u32 fdirport, fdirvlan, fdirhash, fdircmd;
1827 /* currently IPv6 is not supported, must be programmed with 0 */
1828 IXGBE_WRITE_REG_BE32(hw, IXGBE_FDIRSIPv6(0),
1829 input->formatted.src_ip[0]);
1830 IXGBE_WRITE_REG_BE32(hw, IXGBE_FDIRSIPv6(1),
1831 input->formatted.src_ip[1]);
1832 IXGBE_WRITE_REG_BE32(hw, IXGBE_FDIRSIPv6(2),
1833 input->formatted.src_ip[2]);
1835 /* record the source address (big-endian) */
1836 IXGBE_WRITE_REG_BE32(hw, IXGBE_FDIRIPSA, input->formatted.src_ip[0]);
1838 /* record the first 32 bits of the destination address (big-endian) */
1839 IXGBE_WRITE_REG_BE32(hw, IXGBE_FDIRIPDA, input->formatted.dst_ip[0]);
1841 /* record source and destination port (little-endian)*/
1842 fdirport = ntohs(input->formatted.dst_port);
1843 fdirport <<= IXGBE_FDIRPORT_DESTINATION_SHIFT;
1844 fdirport |= ntohs(input->formatted.src_port);
1845 IXGBE_WRITE_REG(hw, IXGBE_FDIRPORT, fdirport);
1847 /* record vlan (little-endian) and flex_bytes(big-endian) */
1848 fdirvlan = IXGBE_STORE_AS_BE16(input->formatted.flex_bytes);
1849 fdirvlan <<= IXGBE_FDIRVLAN_FLEX_SHIFT;
1850 fdirvlan |= ntohs(input->formatted.vlan_id);
1851 IXGBE_WRITE_REG(hw, IXGBE_FDIRVLAN, fdirvlan);
1853 /* configure FDIRHASH register */
1854 fdirhash = input->formatted.bkt_hash;
1855 fdirhash |= soft_id << IXGBE_FDIRHASH_SIG_SW_INDEX_SHIFT;
1856 IXGBE_WRITE_REG(hw, IXGBE_FDIRHASH, fdirhash);
1859 * flush all previous writes to make certain registers are
1860 * programmed prior to issuing the command
1862 IXGBE_WRITE_FLUSH(hw);
1864 /* configure FDIRCMD register */
1865 fdircmd = IXGBE_FDIRCMD_CMD_ADD_FLOW | IXGBE_FDIRCMD_FILTER_UPDATE |
1866 IXGBE_FDIRCMD_LAST | IXGBE_FDIRCMD_QUEUE_EN;
1867 if (queue == IXGBE_FDIR_DROP_QUEUE)
1868 fdircmd |= IXGBE_FDIRCMD_DROP;
1869 fdircmd |= input->formatted.flow_type << IXGBE_FDIRCMD_FLOW_TYPE_SHIFT;
1870 fdircmd |= (u32)queue << IXGBE_FDIRCMD_RX_QUEUE_SHIFT;
1871 fdircmd |= (u32)input->formatted.vm_pool << IXGBE_FDIRCMD_VT_POOL_SHIFT;
1873 IXGBE_WRITE_REG(hw, IXGBE_FDIRCMD, fdircmd);
1878 s32 ixgbe_fdir_erase_perfect_filter_82599(struct ixgbe_hw *hw,
1879 union ixgbe_atr_input *input,
1887 /* configure FDIRHASH register */
1888 fdirhash = input->formatted.bkt_hash;
1889 fdirhash |= soft_id << IXGBE_FDIRHASH_SIG_SW_INDEX_SHIFT;
1890 IXGBE_WRITE_REG(hw, IXGBE_FDIRHASH, fdirhash);
1892 /* flush hash to HW */
1893 IXGBE_WRITE_FLUSH(hw);
1895 /* Query if filter is present */
1896 IXGBE_WRITE_REG(hw, IXGBE_FDIRCMD, IXGBE_FDIRCMD_CMD_QUERY_REM_FILT);
1898 for (retry_count = 10; retry_count; retry_count--) {
1899 /* allow 10us for query to process */
1901 /* verify query completed successfully */
1902 fdircmd = IXGBE_READ_REG(hw, IXGBE_FDIRCMD);
1903 if (!(fdircmd & IXGBE_FDIRCMD_CMD_MASK))
1908 err = IXGBE_ERR_FDIR_REINIT_FAILED;
1910 /* if filter exists in hardware then remove it */
1911 if (fdircmd & IXGBE_FDIRCMD_FILTER_VALID) {
1912 IXGBE_WRITE_REG(hw, IXGBE_FDIRHASH, fdirhash);
1913 IXGBE_WRITE_FLUSH(hw);
1914 IXGBE_WRITE_REG(hw, IXGBE_FDIRCMD,
1915 IXGBE_FDIRCMD_CMD_REMOVE_FLOW);
1922 * ixgbe_read_analog_reg8_82599 - Reads 8 bit Omer analog register
1923 * @hw: pointer to hardware structure
1924 * @reg: analog register to read
1927 * Performs read operation to Omer analog register specified.
1929 static s32 ixgbe_read_analog_reg8_82599(struct ixgbe_hw *hw, u32 reg, u8 *val)
1933 IXGBE_WRITE_REG(hw, IXGBE_CORECTL, IXGBE_CORECTL_WRITE_CMD |
1935 IXGBE_WRITE_FLUSH(hw);
1937 core_ctl = IXGBE_READ_REG(hw, IXGBE_CORECTL);
1938 *val = (u8)core_ctl;
1944 * ixgbe_write_analog_reg8_82599 - Writes 8 bit Omer analog register
1945 * @hw: pointer to hardware structure
1946 * @reg: atlas register to write
1947 * @val: value to write
1949 * Performs write operation to Omer analog register specified.
1951 static s32 ixgbe_write_analog_reg8_82599(struct ixgbe_hw *hw, u32 reg, u8 val)
1955 core_ctl = (reg << 8) | val;
1956 IXGBE_WRITE_REG(hw, IXGBE_CORECTL, core_ctl);
1957 IXGBE_WRITE_FLUSH(hw);
1964 * ixgbe_start_hw_82599 - Prepare hardware for Tx/Rx
1965 * @hw: pointer to hardware structure
1967 * Starts the hardware using the generic start_hw function
1968 * and the generation start_hw function.
1969 * Then performs revision-specific operations, if any.
1971 static s32 ixgbe_start_hw_82599(struct ixgbe_hw *hw)
1975 ret_val = ixgbe_start_hw_generic(hw);
1979 ret_val = ixgbe_start_hw_gen2(hw);
1983 /* We need to run link autotry after the driver loads */
1984 hw->mac.autotry_restart = true;
1985 hw->mac.rx_pb_size = IXGBE_82599_RX_PB_SIZE;
1988 ret_val = ixgbe_verify_fw_version_82599(hw);
1994 * ixgbe_identify_phy_82599 - Get physical layer module
1995 * @hw: pointer to hardware structure
1997 * Determines the physical layer module found on the current adapter.
1998 * If PHY already detected, maintains current PHY type in hw struct,
1999 * otherwise executes the PHY detection routine.
2001 static s32 ixgbe_identify_phy_82599(struct ixgbe_hw *hw)
2003 s32 status = IXGBE_ERR_PHY_ADDR_INVALID;
2005 /* Detect PHY if not unknown - returns success if already detected. */
2006 status = ixgbe_identify_phy_generic(hw);
2008 /* 82599 10GBASE-T requires an external PHY */
2009 if (hw->mac.ops.get_media_type(hw) == ixgbe_media_type_copper)
2012 status = ixgbe_identify_module_generic(hw);
2015 /* Set PHY type none if no PHY detected */
2016 if (hw->phy.type == ixgbe_phy_unknown) {
2017 hw->phy.type = ixgbe_phy_none;
2021 /* Return error if SFP module has been detected but is not supported */
2022 if (hw->phy.type == ixgbe_phy_sfp_unsupported)
2023 status = IXGBE_ERR_SFP_NOT_SUPPORTED;
2030 * ixgbe_get_supported_physical_layer_82599 - Returns physical layer type
2031 * @hw: pointer to hardware structure
2033 * Determines physical layer capabilities of the current configuration.
2035 static u32 ixgbe_get_supported_physical_layer_82599(struct ixgbe_hw *hw)
2037 u32 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
2038 u32 autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
2039 u32 autoc2 = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
2040 u32 pma_pmd_10g_serial = autoc2 & IXGBE_AUTOC2_10G_SERIAL_PMA_PMD_MASK;
2041 u32 pma_pmd_10g_parallel = autoc & IXGBE_AUTOC_10G_PMA_PMD_MASK;
2042 u32 pma_pmd_1g = autoc & IXGBE_AUTOC_1G_PMA_PMD_MASK;
2043 u16 ext_ability = 0;
2044 u8 comp_codes_10g = 0;
2045 u8 comp_codes_1g = 0;
2047 hw->phy.ops.identify(hw);
2049 switch (hw->phy.type) {
2051 case ixgbe_phy_cu_unknown:
2052 hw->phy.ops.read_reg(hw, MDIO_PMA_EXTABLE, MDIO_MMD_PMAPMD,
2054 if (ext_ability & MDIO_PMA_EXTABLE_10GBT)
2055 physical_layer |= IXGBE_PHYSICAL_LAYER_10GBASE_T;
2056 if (ext_ability & MDIO_PMA_EXTABLE_1000BT)
2057 physical_layer |= IXGBE_PHYSICAL_LAYER_1000BASE_T;
2058 if (ext_ability & MDIO_PMA_EXTABLE_100BTX)
2059 physical_layer |= IXGBE_PHYSICAL_LAYER_100BASE_TX;
2065 switch (autoc & IXGBE_AUTOC_LMS_MASK) {
2066 case IXGBE_AUTOC_LMS_1G_AN:
2067 case IXGBE_AUTOC_LMS_1G_LINK_NO_AN:
2068 if (pma_pmd_1g == IXGBE_AUTOC_1G_KX_BX) {
2069 physical_layer = IXGBE_PHYSICAL_LAYER_1000BASE_KX |
2070 IXGBE_PHYSICAL_LAYER_1000BASE_BX;
2073 /* SFI mode so read SFP module */
2076 case IXGBE_AUTOC_LMS_10G_LINK_NO_AN:
2077 if (pma_pmd_10g_parallel == IXGBE_AUTOC_10G_CX4)
2078 physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_CX4;
2079 else if (pma_pmd_10g_parallel == IXGBE_AUTOC_10G_KX4)
2080 physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_KX4;
2081 else if (pma_pmd_10g_parallel == IXGBE_AUTOC_10G_XAUI)
2082 physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_XAUI;
2085 case IXGBE_AUTOC_LMS_10G_SERIAL:
2086 if (pma_pmd_10g_serial == IXGBE_AUTOC2_10G_KR) {
2087 physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_KR;
2089 } else if (pma_pmd_10g_serial == IXGBE_AUTOC2_10G_SFI)
2092 case IXGBE_AUTOC_LMS_KX4_KX_KR:
2093 case IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN:
2094 if (autoc & IXGBE_AUTOC_KX_SUPP)
2095 physical_layer |= IXGBE_PHYSICAL_LAYER_1000BASE_KX;
2096 if (autoc & IXGBE_AUTOC_KX4_SUPP)
2097 physical_layer |= IXGBE_PHYSICAL_LAYER_10GBASE_KX4;
2098 if (autoc & IXGBE_AUTOC_KR_SUPP)
2099 physical_layer |= IXGBE_PHYSICAL_LAYER_10GBASE_KR;
2108 /* SFP check must be done last since DA modules are sometimes used to
2109 * test KR mode - we need to id KR mode correctly before SFP module.
2110 * Call identify_sfp because the pluggable module may have changed */
2111 hw->phy.ops.identify_sfp(hw);
2112 if (hw->phy.sfp_type == ixgbe_sfp_type_not_present)
2115 switch (hw->phy.type) {
2116 case ixgbe_phy_sfp_passive_tyco:
2117 case ixgbe_phy_sfp_passive_unknown:
2118 case ixgbe_phy_qsfp_passive_unknown:
2119 physical_layer = IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU;
2121 case ixgbe_phy_sfp_ftl_active:
2122 case ixgbe_phy_sfp_active_unknown:
2123 case ixgbe_phy_qsfp_active_unknown:
2124 physical_layer = IXGBE_PHYSICAL_LAYER_SFP_ACTIVE_DA;
2126 case ixgbe_phy_sfp_avago:
2127 case ixgbe_phy_sfp_ftl:
2128 case ixgbe_phy_sfp_intel:
2129 case ixgbe_phy_sfp_unknown:
2130 hw->phy.ops.read_i2c_eeprom(hw,
2131 IXGBE_SFF_1GBE_COMP_CODES, &comp_codes_1g);
2132 hw->phy.ops.read_i2c_eeprom(hw,
2133 IXGBE_SFF_10GBE_COMP_CODES, &comp_codes_10g);
2134 if (comp_codes_10g & IXGBE_SFF_10GBASESR_CAPABLE)
2135 physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_SR;
2136 else if (comp_codes_10g & IXGBE_SFF_10GBASELR_CAPABLE)
2137 physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_LR;
2138 else if (comp_codes_1g & IXGBE_SFF_1GBASET_CAPABLE)
2139 physical_layer = IXGBE_PHYSICAL_LAYER_1000BASE_T;
2141 case ixgbe_phy_qsfp_intel:
2142 case ixgbe_phy_qsfp_unknown:
2143 hw->phy.ops.read_i2c_eeprom(hw,
2144 IXGBE_SFF_QSFP_10GBE_COMP, &comp_codes_10g);
2145 if (comp_codes_10g & IXGBE_SFF_10GBASESR_CAPABLE)
2146 physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_SR;
2147 else if (comp_codes_10g & IXGBE_SFF_10GBASELR_CAPABLE)
2148 physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_LR;
2155 return physical_layer;
2159 * ixgbe_enable_rx_dma_82599 - Enable the Rx DMA unit on 82599
2160 * @hw: pointer to hardware structure
2161 * @regval: register value to write to RXCTRL
2163 * Enables the Rx DMA unit for 82599
2165 static s32 ixgbe_enable_rx_dma_82599(struct ixgbe_hw *hw, u32 regval)
2168 * Workaround for 82599 silicon errata when enabling the Rx datapath.
2169 * If traffic is incoming before we enable the Rx unit, it could hang
2170 * the Rx DMA unit. Therefore, make sure the security engine is
2171 * completely disabled prior to enabling the Rx unit.
2173 hw->mac.ops.disable_rx_buff(hw);
2175 IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, regval);
2177 hw->mac.ops.enable_rx_buff(hw);
2183 * ixgbe_verify_fw_version_82599 - verify fw version for 82599
2184 * @hw: pointer to hardware structure
2186 * Verifies that installed the firmware version is 0.6 or higher
2187 * for SFI devices. All 82599 SFI devices should have version 0.6 or higher.
2189 * Returns IXGBE_ERR_EEPROM_VERSION if the FW is not present or
2190 * if the FW version is not supported.
2192 static s32 ixgbe_verify_fw_version_82599(struct ixgbe_hw *hw)
2194 s32 status = IXGBE_ERR_EEPROM_VERSION;
2195 u16 fw_offset, fw_ptp_cfg_offset;
2199 /* firmware check is only necessary for SFI devices */
2200 if (hw->phy.media_type != ixgbe_media_type_fiber) {
2202 goto fw_version_out;
2205 /* get the offset to the Firmware Module block */
2206 offset = IXGBE_FW_PTR;
2207 if (hw->eeprom.ops.read(hw, offset, &fw_offset))
2208 goto fw_version_err;
2210 if ((fw_offset == 0) || (fw_offset == 0xFFFF))
2211 goto fw_version_out;
2213 /* get the offset to the Pass Through Patch Configuration block */
2214 offset = fw_offset + IXGBE_FW_PASSTHROUGH_PATCH_CONFIG_PTR;
2215 if (hw->eeprom.ops.read(hw, offset, &fw_ptp_cfg_offset))
2216 goto fw_version_err;
2218 if ((fw_ptp_cfg_offset == 0) || (fw_ptp_cfg_offset == 0xFFFF))
2219 goto fw_version_out;
2221 /* get the firmware version */
2222 offset = fw_ptp_cfg_offset + IXGBE_FW_PATCH_VERSION_4;
2223 if (hw->eeprom.ops.read(hw, offset, &fw_version))
2224 goto fw_version_err;
2226 if (fw_version > 0x5)
2233 hw_err(hw, "eeprom read at offset %d failed\n", offset);
2234 return IXGBE_ERR_EEPROM_VERSION;
2238 * ixgbe_verify_lesm_fw_enabled_82599 - Checks LESM FW module state.
2239 * @hw: pointer to hardware structure
2241 * Returns true if the LESM FW module is present and enabled. Otherwise
2242 * returns false. Smart Speed must be disabled if LESM FW module is enabled.
2244 bool ixgbe_verify_lesm_fw_enabled_82599(struct ixgbe_hw *hw)
2246 bool lesm_enabled = false;
2247 u16 fw_offset, fw_lesm_param_offset, fw_lesm_state;
2250 /* get the offset to the Firmware Module block */
2251 status = hw->eeprom.ops.read(hw, IXGBE_FW_PTR, &fw_offset);
2253 if ((status != 0) ||
2254 (fw_offset == 0) || (fw_offset == 0xFFFF))
2257 /* get the offset to the LESM Parameters block */
2258 status = hw->eeprom.ops.read(hw, (fw_offset +
2259 IXGBE_FW_LESM_PARAMETERS_PTR),
2260 &fw_lesm_param_offset);
2262 if ((status != 0) ||
2263 (fw_lesm_param_offset == 0) || (fw_lesm_param_offset == 0xFFFF))
2266 /* get the lesm state word */
2267 status = hw->eeprom.ops.read(hw, (fw_lesm_param_offset +
2268 IXGBE_FW_LESM_STATE_1),
2271 if ((status == 0) &&
2272 (fw_lesm_state & IXGBE_FW_LESM_STATE_ENABLED))
2273 lesm_enabled = true;
2276 return lesm_enabled;
2280 * ixgbe_read_eeprom_buffer_82599 - Read EEPROM word(s) using
2281 * fastest available method
2283 * @hw: pointer to hardware structure
2284 * @offset: offset of word in EEPROM to read
2285 * @words: number of words
2286 * @data: word(s) read from the EEPROM
2288 * Retrieves 16 bit word(s) read from EEPROM
2290 static s32 ixgbe_read_eeprom_buffer_82599(struct ixgbe_hw *hw, u16 offset,
2291 u16 words, u16 *data)
2293 struct ixgbe_eeprom_info *eeprom = &hw->eeprom;
2294 s32 ret_val = IXGBE_ERR_CONFIG;
2297 * If EEPROM is detected and can be addressed using 14 bits,
2298 * use EERD otherwise use bit bang
2300 if ((eeprom->type == ixgbe_eeprom_spi) &&
2301 (offset + (words - 1) <= IXGBE_EERD_MAX_ADDR))
2302 ret_val = ixgbe_read_eerd_buffer_generic(hw, offset, words,
2305 ret_val = ixgbe_read_eeprom_buffer_bit_bang_generic(hw, offset,
2313 * ixgbe_read_eeprom_82599 - Read EEPROM word using
2314 * fastest available method
2316 * @hw: pointer to hardware structure
2317 * @offset: offset of word in the EEPROM to read
2318 * @data: word read from the EEPROM
2320 * Reads a 16 bit word from the EEPROM
2322 static s32 ixgbe_read_eeprom_82599(struct ixgbe_hw *hw,
2323 u16 offset, u16 *data)
2325 struct ixgbe_eeprom_info *eeprom = &hw->eeprom;
2326 s32 ret_val = IXGBE_ERR_CONFIG;
2329 * If EEPROM is detected and can be addressed using 14 bits,
2330 * use EERD otherwise use bit bang
2332 if ((eeprom->type == ixgbe_eeprom_spi) &&
2333 (offset <= IXGBE_EERD_MAX_ADDR))
2334 ret_val = ixgbe_read_eerd_generic(hw, offset, data);
2336 ret_val = ixgbe_read_eeprom_bit_bang_generic(hw, offset, data);
2342 * ixgbe_reset_pipeline_82599 - perform pipeline reset
2344 * @hw: pointer to hardware structure
2346 * Reset pipeline by asserting Restart_AN together with LMS change to ensure
2347 * full pipeline reset. Note - We must hold the SW/FW semaphore before writing
2348 * to AUTOC, so this function assumes the semaphore is held.
2350 s32 ixgbe_reset_pipeline_82599(struct ixgbe_hw *hw)
2354 u32 i, autoc_reg, autoc2_reg;
2356 /* Enable link if disabled in NVM */
2357 autoc2_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
2358 if (autoc2_reg & IXGBE_AUTOC2_LINK_DISABLE_MASK) {
2359 autoc2_reg &= ~IXGBE_AUTOC2_LINK_DISABLE_MASK;
2360 IXGBE_WRITE_REG(hw, IXGBE_AUTOC2, autoc2_reg);
2361 IXGBE_WRITE_FLUSH(hw);
2364 autoc_reg = hw->mac.cached_autoc;
2365 autoc_reg |= IXGBE_AUTOC_AN_RESTART;
2367 /* Write AUTOC register with toggled LMS[2] bit and Restart_AN */
2368 IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc_reg ^ IXGBE_AUTOC_LMS_1G_AN);
2370 /* Wait for AN to leave state 0 */
2371 for (i = 0; i < 10; i++) {
2372 usleep_range(4000, 8000);
2373 anlp1_reg = IXGBE_READ_REG(hw, IXGBE_ANLP1);
2374 if (anlp1_reg & IXGBE_ANLP1_AN_STATE_MASK)
2378 if (!(anlp1_reg & IXGBE_ANLP1_AN_STATE_MASK)) {
2379 hw_dbg(hw, "auto negotiation not completed\n");
2380 ret_val = IXGBE_ERR_RESET_FAILED;
2381 goto reset_pipeline_out;
2387 /* Write AUTOC register with original LMS field and Restart_AN */
2388 IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc_reg);
2389 IXGBE_WRITE_FLUSH(hw);
2395 * ixgbe_read_i2c_byte_82599 - Reads 8 bit word over I2C
2396 * @hw: pointer to hardware structure
2397 * @byte_offset: byte offset to read
2400 * Performs byte read operation to SFP module's EEPROM over I2C interface at
2401 * a specified device address.
2403 static s32 ixgbe_read_i2c_byte_82599(struct ixgbe_hw *hw, u8 byte_offset,
2404 u8 dev_addr, u8 *data)
2410 if (hw->phy.qsfp_shared_i2c_bus == true) {
2411 /* Acquire I2C bus ownership. */
2412 esdp = IXGBE_READ_REG(hw, IXGBE_ESDP);
2413 esdp |= IXGBE_ESDP_SDP0;
2414 IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp);
2415 IXGBE_WRITE_FLUSH(hw);
2418 esdp = IXGBE_READ_REG(hw, IXGBE_ESDP);
2419 if (esdp & IXGBE_ESDP_SDP1)
2422 usleep_range(5000, 10000);
2427 hw_dbg(hw, "Driver can't access resource, acquiring I2C bus timeout.\n");
2428 status = IXGBE_ERR_I2C;
2429 goto release_i2c_access;
2433 status = ixgbe_read_i2c_byte_generic(hw, byte_offset, dev_addr, data);
2436 if (hw->phy.qsfp_shared_i2c_bus == true) {
2437 /* Release I2C bus ownership. */
2438 esdp = IXGBE_READ_REG(hw, IXGBE_ESDP);
2439 esdp &= ~IXGBE_ESDP_SDP0;
2440 IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp);
2441 IXGBE_WRITE_FLUSH(hw);
2448 * ixgbe_write_i2c_byte_82599 - Writes 8 bit word over I2C
2449 * @hw: pointer to hardware structure
2450 * @byte_offset: byte offset to write
2451 * @data: value to write
2453 * Performs byte write operation to SFP module's EEPROM over I2C interface at
2454 * a specified device address.
2456 static s32 ixgbe_write_i2c_byte_82599(struct ixgbe_hw *hw, u8 byte_offset,
2457 u8 dev_addr, u8 data)
2463 if (hw->phy.qsfp_shared_i2c_bus == true) {
2464 /* Acquire I2C bus ownership. */
2465 esdp = IXGBE_READ_REG(hw, IXGBE_ESDP);
2466 esdp |= IXGBE_ESDP_SDP0;
2467 IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp);
2468 IXGBE_WRITE_FLUSH(hw);
2471 esdp = IXGBE_READ_REG(hw, IXGBE_ESDP);
2472 if (esdp & IXGBE_ESDP_SDP1)
2475 usleep_range(5000, 10000);
2480 hw_dbg(hw, "Driver can't access resource, acquiring I2C bus timeout.\n");
2481 status = IXGBE_ERR_I2C;
2482 goto release_i2c_access;
2486 status = ixgbe_write_i2c_byte_generic(hw, byte_offset, dev_addr, data);
2489 if (hw->phy.qsfp_shared_i2c_bus == true) {
2490 /* Release I2C bus ownership. */
2491 esdp = IXGBE_READ_REG(hw, IXGBE_ESDP);
2492 esdp &= ~IXGBE_ESDP_SDP0;
2493 IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp);
2494 IXGBE_WRITE_FLUSH(hw);
2500 static struct ixgbe_mac_operations mac_ops_82599 = {
2501 .init_hw = &ixgbe_init_hw_generic,
2502 .reset_hw = &ixgbe_reset_hw_82599,
2503 .start_hw = &ixgbe_start_hw_82599,
2504 .clear_hw_cntrs = &ixgbe_clear_hw_cntrs_generic,
2505 .get_media_type = &ixgbe_get_media_type_82599,
2506 .get_supported_physical_layer = &ixgbe_get_supported_physical_layer_82599,
2507 .enable_rx_dma = &ixgbe_enable_rx_dma_82599,
2508 .disable_rx_buff = &ixgbe_disable_rx_buff_generic,
2509 .enable_rx_buff = &ixgbe_enable_rx_buff_generic,
2510 .get_mac_addr = &ixgbe_get_mac_addr_generic,
2511 .get_san_mac_addr = &ixgbe_get_san_mac_addr_generic,
2512 .get_device_caps = &ixgbe_get_device_caps_generic,
2513 .get_wwn_prefix = &ixgbe_get_wwn_prefix_generic,
2514 .stop_adapter = &ixgbe_stop_adapter_generic,
2515 .get_bus_info = &ixgbe_get_bus_info_generic,
2516 .set_lan_id = &ixgbe_set_lan_id_multi_port_pcie,
2517 .read_analog_reg8 = &ixgbe_read_analog_reg8_82599,
2518 .write_analog_reg8 = &ixgbe_write_analog_reg8_82599,
2519 .stop_link_on_d3 = &ixgbe_stop_mac_link_on_d3_82599,
2520 .setup_link = &ixgbe_setup_mac_link_82599,
2521 .set_rxpba = &ixgbe_set_rxpba_generic,
2522 .check_link = &ixgbe_check_mac_link_generic,
2523 .get_link_capabilities = &ixgbe_get_link_capabilities_82599,
2524 .led_on = &ixgbe_led_on_generic,
2525 .led_off = &ixgbe_led_off_generic,
2526 .blink_led_start = &ixgbe_blink_led_start_generic,
2527 .blink_led_stop = &ixgbe_blink_led_stop_generic,
2528 .set_rar = &ixgbe_set_rar_generic,
2529 .clear_rar = &ixgbe_clear_rar_generic,
2530 .set_vmdq = &ixgbe_set_vmdq_generic,
2531 .set_vmdq_san_mac = &ixgbe_set_vmdq_san_mac_generic,
2532 .clear_vmdq = &ixgbe_clear_vmdq_generic,
2533 .init_rx_addrs = &ixgbe_init_rx_addrs_generic,
2534 .update_mc_addr_list = &ixgbe_update_mc_addr_list_generic,
2535 .enable_mc = &ixgbe_enable_mc_generic,
2536 .disable_mc = &ixgbe_disable_mc_generic,
2537 .clear_vfta = &ixgbe_clear_vfta_generic,
2538 .set_vfta = &ixgbe_set_vfta_generic,
2539 .fc_enable = &ixgbe_fc_enable_generic,
2540 .set_fw_drv_ver = &ixgbe_set_fw_drv_ver_generic,
2541 .init_uta_tables = &ixgbe_init_uta_tables_generic,
2542 .setup_sfp = &ixgbe_setup_sfp_modules_82599,
2543 .set_mac_anti_spoofing = &ixgbe_set_mac_anti_spoofing,
2544 .set_vlan_anti_spoofing = &ixgbe_set_vlan_anti_spoofing,
2545 .acquire_swfw_sync = &ixgbe_acquire_swfw_sync,
2546 .release_swfw_sync = &ixgbe_release_swfw_sync,
2547 .get_thermal_sensor_data = &ixgbe_get_thermal_sensor_data_generic,
2548 .init_thermal_sensor_thresh = &ixgbe_init_thermal_sensor_thresh_generic,
2549 .mng_fw_enabled = &ixgbe_mng_enabled,
2552 static struct ixgbe_eeprom_operations eeprom_ops_82599 = {
2553 .init_params = &ixgbe_init_eeprom_params_generic,
2554 .read = &ixgbe_read_eeprom_82599,
2555 .read_buffer = &ixgbe_read_eeprom_buffer_82599,
2556 .write = &ixgbe_write_eeprom_generic,
2557 .write_buffer = &ixgbe_write_eeprom_buffer_bit_bang_generic,
2558 .calc_checksum = &ixgbe_calc_eeprom_checksum_generic,
2559 .validate_checksum = &ixgbe_validate_eeprom_checksum_generic,
2560 .update_checksum = &ixgbe_update_eeprom_checksum_generic,
2563 static struct ixgbe_phy_operations phy_ops_82599 = {
2564 .identify = &ixgbe_identify_phy_82599,
2565 .identify_sfp = &ixgbe_identify_module_generic,
2566 .init = &ixgbe_init_phy_ops_82599,
2567 .reset = &ixgbe_reset_phy_generic,
2568 .read_reg = &ixgbe_read_phy_reg_generic,
2569 .write_reg = &ixgbe_write_phy_reg_generic,
2570 .setup_link = &ixgbe_setup_phy_link_generic,
2571 .setup_link_speed = &ixgbe_setup_phy_link_speed_generic,
2572 .read_i2c_byte = &ixgbe_read_i2c_byte_generic,
2573 .write_i2c_byte = &ixgbe_write_i2c_byte_generic,
2574 .read_i2c_sff8472 = &ixgbe_read_i2c_sff8472_generic,
2575 .read_i2c_eeprom = &ixgbe_read_i2c_eeprom_generic,
2576 .write_i2c_eeprom = &ixgbe_write_i2c_eeprom_generic,
2577 .check_overtemp = &ixgbe_tn_check_overtemp,
2580 struct ixgbe_info ixgbe_82599_info = {
2581 .mac = ixgbe_mac_82599EB,
2582 .get_invariants = &ixgbe_get_invariants_82599,
2583 .mac_ops = &mac_ops_82599,
2584 .eeprom_ops = &eeprom_ops_82599,
2585 .phy_ops = &phy_ops_82599,
2586 .mbx_ops = &mbx_ops_generic,