1 /*******************************************************************************
3 Copyright (c) 2001-2015, Intel Corporation
6 Redistribution and use in source and binary forms, with or without
7 modification, are permitted provided that the following conditions are met:
9 1. Redistributions of source code must retain the above copyright notice,
10 this list of conditions and the following disclaimer.
12 2. Redistributions in binary form must reproduce the above copyright
13 notice, this list of conditions and the following disclaimer in the
14 documentation and/or other materials provided with the distribution.
16 3. Neither the name of the Intel Corporation nor the names of its
17 contributors may be used to endorse or promote products derived from
18 this software without specific prior written permission.
20 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 POSSIBILITY OF SUCH DAMAGE.
32 ***************************************************************************/
34 #include "ixgbe_type.h"
35 #include "ixgbe_82598.h"
36 #include "ixgbe_api.h"
37 #include "ixgbe_common.h"
38 #include "ixgbe_phy.h"
40 #define IXGBE_82598_MAX_TX_QUEUES 32
41 #define IXGBE_82598_MAX_RX_QUEUES 64
42 #define IXGBE_82598_RAR_ENTRIES 16
43 #define IXGBE_82598_MC_TBL_SIZE 128
44 #define IXGBE_82598_VFT_TBL_SIZE 128
45 #define IXGBE_82598_RX_PB_SIZE 512
47 STATIC s32 ixgbe_get_link_capabilities_82598(struct ixgbe_hw *hw,
48 ixgbe_link_speed *speed,
50 STATIC enum ixgbe_media_type ixgbe_get_media_type_82598(struct ixgbe_hw *hw);
51 STATIC s32 ixgbe_start_mac_link_82598(struct ixgbe_hw *hw,
52 bool autoneg_wait_to_complete);
53 STATIC s32 ixgbe_check_mac_link_82598(struct ixgbe_hw *hw,
54 ixgbe_link_speed *speed, bool *link_up,
55 bool link_up_wait_to_complete);
56 STATIC s32 ixgbe_setup_mac_link_82598(struct ixgbe_hw *hw,
57 ixgbe_link_speed speed,
58 bool autoneg_wait_to_complete);
59 STATIC s32 ixgbe_setup_copper_link_82598(struct ixgbe_hw *hw,
60 ixgbe_link_speed speed,
61 bool autoneg_wait_to_complete);
62 STATIC s32 ixgbe_reset_hw_82598(struct ixgbe_hw *hw);
63 STATIC s32 ixgbe_clear_vmdq_82598(struct ixgbe_hw *hw, u32 rar, u32 vmdq);
64 STATIC s32 ixgbe_clear_vfta_82598(struct ixgbe_hw *hw);
65 STATIC void ixgbe_set_rxpba_82598(struct ixgbe_hw *hw, int num_pb,
66 u32 headroom, int strategy);
67 STATIC s32 ixgbe_read_i2c_sff8472_82598(struct ixgbe_hw *hw, u8 byte_offset,
70 * ixgbe_set_pcie_completion_timeout - set pci-e completion timeout
71 * @hw: pointer to the HW structure
73 * The defaults for 82598 should be in the range of 50us to 50ms,
74 * however the hardware default for these parts is 500us to 1ms which is less
75 * than the 10ms recommended by the pci-e spec. To address this we need to
76 * increase the value to either 10ms to 250ms for capability version 1 config,
77 * or 16ms to 55ms for version 2.
79 void ixgbe_set_pcie_completion_timeout(struct ixgbe_hw *hw)
81 u32 gcr = IXGBE_READ_REG(hw, IXGBE_GCR);
84 /* only take action if timeout value is defaulted to 0 */
85 if (gcr & IXGBE_GCR_CMPL_TMOUT_MASK)
89 * if capababilities version is type 1 we can write the
90 * timeout of 10ms to 250ms through the GCR register
92 if (!(gcr & IXGBE_GCR_CAP_VER2)) {
93 gcr |= IXGBE_GCR_CMPL_TMOUT_10ms;
98 * for version 2 capabilities we need to write the config space
99 * directly in order to set the completion timeout value for
102 pcie_devctl2 = IXGBE_READ_PCIE_WORD(hw, IXGBE_PCI_DEVICE_CONTROL2);
103 pcie_devctl2 |= IXGBE_PCI_DEVICE_CONTROL2_16ms;
104 IXGBE_WRITE_PCIE_WORD(hw, IXGBE_PCI_DEVICE_CONTROL2, pcie_devctl2);
106 /* disable completion timeout resend */
107 gcr &= ~IXGBE_GCR_CMPL_TMOUT_RESEND;
108 IXGBE_WRITE_REG(hw, IXGBE_GCR, gcr);
112 * ixgbe_init_ops_82598 - Inits func ptrs and MAC type
113 * @hw: pointer to hardware structure
115 * Initialize the function pointers and assign the MAC type for 82598.
116 * Does not touch the hardware.
118 s32 ixgbe_init_ops_82598(struct ixgbe_hw *hw)
120 struct ixgbe_mac_info *mac = &hw->mac;
121 struct ixgbe_phy_info *phy = &hw->phy;
124 DEBUGFUNC("ixgbe_init_ops_82598");
126 ret_val = ixgbe_init_phy_ops_generic(hw);
127 ret_val = ixgbe_init_ops_generic(hw);
130 phy->ops.init = ixgbe_init_phy_ops_82598;
133 mac->ops.start_hw = ixgbe_start_hw_82598;
134 mac->ops.enable_relaxed_ordering = ixgbe_enable_relaxed_ordering_82598;
135 mac->ops.reset_hw = ixgbe_reset_hw_82598;
136 mac->ops.get_media_type = ixgbe_get_media_type_82598;
137 mac->ops.get_supported_physical_layer =
138 ixgbe_get_supported_physical_layer_82598;
139 mac->ops.read_analog_reg8 = ixgbe_read_analog_reg8_82598;
140 mac->ops.write_analog_reg8 = ixgbe_write_analog_reg8_82598;
141 mac->ops.set_lan_id = ixgbe_set_lan_id_multi_port_pcie_82598;
142 mac->ops.enable_rx_dma = ixgbe_enable_rx_dma_82598;
144 /* RAR, Multicast, VLAN */
145 mac->ops.set_vmdq = ixgbe_set_vmdq_82598;
146 mac->ops.clear_vmdq = ixgbe_clear_vmdq_82598;
147 mac->ops.set_vfta = ixgbe_set_vfta_82598;
148 mac->ops.set_vlvf = NULL;
149 mac->ops.clear_vfta = ixgbe_clear_vfta_82598;
152 mac->ops.fc_enable = ixgbe_fc_enable_82598;
154 mac->mcft_size = IXGBE_82598_MC_TBL_SIZE;
155 mac->vft_size = IXGBE_82598_VFT_TBL_SIZE;
156 mac->num_rar_entries = IXGBE_82598_RAR_ENTRIES;
157 mac->rx_pb_size = IXGBE_82598_RX_PB_SIZE;
158 mac->max_rx_queues = IXGBE_82598_MAX_RX_QUEUES;
159 mac->max_tx_queues = IXGBE_82598_MAX_TX_QUEUES;
160 mac->max_msix_vectors = ixgbe_get_pcie_msix_count_generic(hw);
163 phy->ops.read_i2c_eeprom = ixgbe_read_i2c_eeprom_82598;
164 phy->ops.read_i2c_sff8472 = ixgbe_read_i2c_sff8472_82598;
167 mac->ops.check_link = ixgbe_check_mac_link_82598;
168 mac->ops.setup_link = ixgbe_setup_mac_link_82598;
169 mac->ops.flap_tx_laser = NULL;
170 mac->ops.get_link_capabilities = ixgbe_get_link_capabilities_82598;
171 mac->ops.setup_rxpba = ixgbe_set_rxpba_82598;
173 /* Manageability interface */
174 mac->ops.set_fw_drv_ver = NULL;
176 mac->ops.get_rtrup2tc = NULL;
182 * ixgbe_init_phy_ops_82598 - PHY/SFP specific init
183 * @hw: pointer to hardware structure
185 * Initialize any function pointers that were not able to be
186 * set during init_shared_code because the PHY/SFP type was
187 * not known. Perform the SFP init if necessary.
190 s32 ixgbe_init_phy_ops_82598(struct ixgbe_hw *hw)
192 struct ixgbe_mac_info *mac = &hw->mac;
193 struct ixgbe_phy_info *phy = &hw->phy;
194 s32 ret_val = IXGBE_SUCCESS;
195 u16 list_offset, data_offset;
197 DEBUGFUNC("ixgbe_init_phy_ops_82598");
199 /* Identify the PHY */
200 phy->ops.identify(hw);
202 /* Overwrite the link function pointers if copper PHY */
203 if (mac->ops.get_media_type(hw) == ixgbe_media_type_copper) {
204 mac->ops.setup_link = ixgbe_setup_copper_link_82598;
205 mac->ops.get_link_capabilities =
206 ixgbe_get_copper_link_capabilities_generic;
209 switch (hw->phy.type) {
211 phy->ops.setup_link = ixgbe_setup_phy_link_tnx;
212 phy->ops.check_link = ixgbe_check_phy_link_tnx;
213 phy->ops.get_firmware_version =
214 ixgbe_get_phy_firmware_version_tnx;
217 phy->ops.reset = ixgbe_reset_phy_nl;
219 /* Call SFP+ identify routine to get the SFP+ module type */
220 ret_val = phy->ops.identify_sfp(hw);
221 if (ret_val != IXGBE_SUCCESS)
223 else if (hw->phy.sfp_type == ixgbe_sfp_type_unknown) {
224 ret_val = IXGBE_ERR_SFP_NOT_SUPPORTED;
228 /* Check to see if SFP+ module is supported */
229 ret_val = ixgbe_get_sfp_init_sequence_offsets(hw,
232 if (ret_val != IXGBE_SUCCESS) {
233 ret_val = IXGBE_ERR_SFP_NOT_SUPPORTED;
246 * ixgbe_start_hw_82598 - Prepare hardware for Tx/Rx
247 * @hw: pointer to hardware structure
249 * Starts the hardware using the generic start_hw function.
250 * Disables relaxed ordering Then set pcie completion timeout
253 s32 ixgbe_start_hw_82598(struct ixgbe_hw *hw)
257 s32 ret_val = IXGBE_SUCCESS;
259 DEBUGFUNC("ixgbe_start_hw_82598");
261 ret_val = ixgbe_start_hw_generic(hw);
265 /* Disable relaxed ordering */
266 for (i = 0; ((i < hw->mac.max_tx_queues) &&
267 (i < IXGBE_DCA_MAX_QUEUES_82598)); i++) {
268 regval = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i));
269 regval &= ~IXGBE_DCA_TXCTRL_DESC_WRO_EN;
270 IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL(i), regval);
273 for (i = 0; ((i < hw->mac.max_rx_queues) &&
274 (i < IXGBE_DCA_MAX_QUEUES_82598)); i++) {
275 regval = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
276 regval &= ~(IXGBE_DCA_RXCTRL_DATA_WRO_EN |
277 IXGBE_DCA_RXCTRL_HEAD_WRO_EN);
278 IXGBE_WRITE_REG(hw, IXGBE_DCA_RXCTRL(i), regval);
281 /* set the completion timeout for interface */
282 ixgbe_set_pcie_completion_timeout(hw);
288 * ixgbe_get_link_capabilities_82598 - Determines link capabilities
289 * @hw: pointer to hardware structure
290 * @speed: pointer to link speed
291 * @autoneg: boolean auto-negotiation value
293 * Determines the link capabilities by reading the AUTOC register.
295 STATIC s32 ixgbe_get_link_capabilities_82598(struct ixgbe_hw *hw,
296 ixgbe_link_speed *speed,
299 s32 status = IXGBE_SUCCESS;
302 DEBUGFUNC("ixgbe_get_link_capabilities_82598");
305 * Determine link capabilities based on the stored value of AUTOC,
306 * which represents EEPROM defaults. If AUTOC value has not been
307 * stored, use the current register value.
309 if (hw->mac.orig_link_settings_stored)
310 autoc = hw->mac.orig_autoc;
312 autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
314 switch (autoc & IXGBE_AUTOC_LMS_MASK) {
315 case IXGBE_AUTOC_LMS_1G_LINK_NO_AN:
316 *speed = IXGBE_LINK_SPEED_1GB_FULL;
320 case IXGBE_AUTOC_LMS_10G_LINK_NO_AN:
321 *speed = IXGBE_LINK_SPEED_10GB_FULL;
325 case IXGBE_AUTOC_LMS_1G_AN:
326 *speed = IXGBE_LINK_SPEED_1GB_FULL;
330 case IXGBE_AUTOC_LMS_KX4_AN:
331 case IXGBE_AUTOC_LMS_KX4_AN_1G_AN:
332 *speed = IXGBE_LINK_SPEED_UNKNOWN;
333 if (autoc & IXGBE_AUTOC_KX4_SUPP)
334 *speed |= IXGBE_LINK_SPEED_10GB_FULL;
335 if (autoc & IXGBE_AUTOC_KX_SUPP)
336 *speed |= IXGBE_LINK_SPEED_1GB_FULL;
341 status = IXGBE_ERR_LINK_SETUP;
349 * ixgbe_get_media_type_82598 - Determines media type
350 * @hw: pointer to hardware structure
352 * Returns the media type (fiber, copper, backplane)
354 STATIC enum ixgbe_media_type ixgbe_get_media_type_82598(struct ixgbe_hw *hw)
356 enum ixgbe_media_type media_type;
358 DEBUGFUNC("ixgbe_get_media_type_82598");
360 /* Detect if there is a copper PHY attached. */
361 switch (hw->phy.type) {
362 case ixgbe_phy_cu_unknown:
364 media_type = ixgbe_media_type_copper;
370 /* Media type for I82598 is based on device ID */
371 switch (hw->device_id) {
372 case IXGBE_DEV_ID_82598:
373 case IXGBE_DEV_ID_82598_BX:
374 /* Default device ID is mezzanine card KX/KX4 */
375 media_type = ixgbe_media_type_backplane;
377 case IXGBE_DEV_ID_82598AF_DUAL_PORT:
378 case IXGBE_DEV_ID_82598AF_SINGLE_PORT:
379 case IXGBE_DEV_ID_82598_DA_DUAL_PORT:
380 case IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM:
381 case IXGBE_DEV_ID_82598EB_XF_LR:
382 case IXGBE_DEV_ID_82598EB_SFP_LOM:
383 media_type = ixgbe_media_type_fiber;
385 case IXGBE_DEV_ID_82598EB_CX4:
386 case IXGBE_DEV_ID_82598_CX4_DUAL_PORT:
387 media_type = ixgbe_media_type_cx4;
389 case IXGBE_DEV_ID_82598AT:
390 case IXGBE_DEV_ID_82598AT2:
391 media_type = ixgbe_media_type_copper;
394 media_type = ixgbe_media_type_unknown;
402 * ixgbe_fc_enable_82598 - Enable flow control
403 * @hw: pointer to hardware structure
405 * Enable flow control according to the current settings.
407 s32 ixgbe_fc_enable_82598(struct ixgbe_hw *hw)
409 s32 ret_val = IXGBE_SUCCESS;
418 DEBUGFUNC("ixgbe_fc_enable_82598");
420 /* Validate the water mark configuration */
421 if (!hw->fc.pause_time) {
422 ret_val = IXGBE_ERR_INVALID_LINK_SETTINGS;
426 /* Low water mark of zero causes XOFF floods */
427 for (i = 0; i < IXGBE_DCB_MAX_TRAFFIC_CLASS; i++) {
428 if ((hw->fc.current_mode & ixgbe_fc_tx_pause) &&
429 hw->fc.high_water[i]) {
430 if (!hw->fc.low_water[i] ||
431 hw->fc.low_water[i] >= hw->fc.high_water[i]) {
432 DEBUGOUT("Invalid water mark configuration\n");
433 ret_val = IXGBE_ERR_INVALID_LINK_SETTINGS;
440 * On 82598 having Rx FC on causes resets while doing 1G
441 * so if it's on turn it off once we know link_speed. For
442 * more details see 82598 Specification update.
444 hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
445 if (link_up && link_speed == IXGBE_LINK_SPEED_1GB_FULL) {
446 switch (hw->fc.requested_mode) {
448 hw->fc.requested_mode = ixgbe_fc_tx_pause;
450 case ixgbe_fc_rx_pause:
451 hw->fc.requested_mode = ixgbe_fc_none;
459 /* Negotiate the fc mode to use */
460 ixgbe_fc_autoneg(hw);
462 /* Disable any previous flow control settings */
463 fctrl_reg = IXGBE_READ_REG(hw, IXGBE_FCTRL);
464 fctrl_reg &= ~(IXGBE_FCTRL_RFCE | IXGBE_FCTRL_RPFCE);
466 rmcs_reg = IXGBE_READ_REG(hw, IXGBE_RMCS);
467 rmcs_reg &= ~(IXGBE_RMCS_TFCE_PRIORITY | IXGBE_RMCS_TFCE_802_3X);
470 * The possible values of fc.current_mode are:
471 * 0: Flow control is completely disabled
472 * 1: Rx flow control is enabled (we can receive pause frames,
473 * but not send pause frames).
474 * 2: Tx flow control is enabled (we can send pause frames but
475 * we do not support receiving pause frames).
476 * 3: Both Rx and Tx flow control (symmetric) are enabled.
479 switch (hw->fc.current_mode) {
482 * Flow control is disabled by software override or autoneg.
483 * The code below will actually disable it in the HW.
486 case ixgbe_fc_rx_pause:
488 * Rx Flow control is enabled and Tx Flow control is
489 * disabled by software override. Since there really
490 * isn't a way to advertise that we are capable of RX
491 * Pause ONLY, we will advertise that we support both
492 * symmetric and asymmetric Rx PAUSE. Later, we will
493 * disable the adapter's ability to send PAUSE frames.
495 fctrl_reg |= IXGBE_FCTRL_RFCE;
497 case ixgbe_fc_tx_pause:
499 * Tx Flow control is enabled, and Rx Flow control is
500 * disabled by software override.
502 rmcs_reg |= IXGBE_RMCS_TFCE_802_3X;
505 /* Flow control (both Rx and Tx) is enabled by SW override. */
506 fctrl_reg |= IXGBE_FCTRL_RFCE;
507 rmcs_reg |= IXGBE_RMCS_TFCE_802_3X;
510 DEBUGOUT("Flow control param set incorrectly\n");
511 ret_val = IXGBE_ERR_CONFIG;
516 /* Set 802.3x based flow control settings. */
517 fctrl_reg |= IXGBE_FCTRL_DPF;
518 IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl_reg);
519 IXGBE_WRITE_REG(hw, IXGBE_RMCS, rmcs_reg);
521 /* Set up and enable Rx high/low water mark thresholds, enable XON. */
522 for (i = 0; i < IXGBE_DCB_MAX_TRAFFIC_CLASS; i++) {
523 if ((hw->fc.current_mode & ixgbe_fc_tx_pause) &&
524 hw->fc.high_water[i]) {
525 fcrtl = (hw->fc.low_water[i] << 10) | IXGBE_FCRTL_XONE;
526 fcrth = (hw->fc.high_water[i] << 10) | IXGBE_FCRTH_FCEN;
527 IXGBE_WRITE_REG(hw, IXGBE_FCRTL(i), fcrtl);
528 IXGBE_WRITE_REG(hw, IXGBE_FCRTH(i), fcrth);
530 IXGBE_WRITE_REG(hw, IXGBE_FCRTL(i), 0);
531 IXGBE_WRITE_REG(hw, IXGBE_FCRTH(i), 0);
536 /* Configure pause time (2 TCs per register) */
537 reg = hw->fc.pause_time * 0x00010001;
538 for (i = 0; i < (IXGBE_DCB_MAX_TRAFFIC_CLASS / 2); i++)
539 IXGBE_WRITE_REG(hw, IXGBE_FCTTV(i), reg);
541 /* Configure flow control refresh threshold value */
542 IXGBE_WRITE_REG(hw, IXGBE_FCRTV, hw->fc.pause_time / 2);
549 * ixgbe_start_mac_link_82598 - Configures MAC link settings
550 * @hw: pointer to hardware structure
552 * Configures link settings based on values in the ixgbe_hw struct.
553 * Restarts the link. Performs autonegotiation if needed.
555 STATIC s32 ixgbe_start_mac_link_82598(struct ixgbe_hw *hw,
556 bool autoneg_wait_to_complete)
561 s32 status = IXGBE_SUCCESS;
563 DEBUGFUNC("ixgbe_start_mac_link_82598");
566 autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC);
567 autoc_reg |= IXGBE_AUTOC_AN_RESTART;
568 IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc_reg);
570 /* Only poll for autoneg to complete if specified to do so */
571 if (autoneg_wait_to_complete) {
572 if ((autoc_reg & IXGBE_AUTOC_LMS_MASK) ==
573 IXGBE_AUTOC_LMS_KX4_AN ||
574 (autoc_reg & IXGBE_AUTOC_LMS_MASK) ==
575 IXGBE_AUTOC_LMS_KX4_AN_1G_AN) {
576 links_reg = 0; /* Just in case Autoneg time = 0 */
577 for (i = 0; i < IXGBE_AUTO_NEG_TIME; i++) {
578 links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
579 if (links_reg & IXGBE_LINKS_KX_AN_COMP)
583 if (!(links_reg & IXGBE_LINKS_KX_AN_COMP)) {
584 status = IXGBE_ERR_AUTONEG_NOT_COMPLETE;
585 DEBUGOUT("Autonegotiation did not complete.\n");
590 /* Add delay to filter out noises during initial link setup */
597 * ixgbe_validate_link_ready - Function looks for phy link
598 * @hw: pointer to hardware structure
600 * Function indicates success when phy link is available. If phy is not ready
601 * within 5 seconds of MAC indicating link, the function returns error.
603 STATIC s32 ixgbe_validate_link_ready(struct ixgbe_hw *hw)
608 if (hw->device_id != IXGBE_DEV_ID_82598AT2)
609 return IXGBE_SUCCESS;
612 timeout < IXGBE_VALIDATE_LINK_READY_TIMEOUT; timeout++) {
613 hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_STATUS,
614 IXGBE_MDIO_AUTO_NEG_DEV_TYPE, &an_reg);
616 if ((an_reg & IXGBE_MII_AUTONEG_COMPLETE) &&
617 (an_reg & IXGBE_MII_AUTONEG_LINK_UP))
623 if (timeout == IXGBE_VALIDATE_LINK_READY_TIMEOUT) {
624 DEBUGOUT("Link was indicated but link is down\n");
625 return IXGBE_ERR_LINK_SETUP;
628 return IXGBE_SUCCESS;
632 * ixgbe_check_mac_link_82598 - Get link/speed status
633 * @hw: pointer to hardware structure
634 * @speed: pointer to link speed
635 * @link_up: true is link is up, false otherwise
636 * @link_up_wait_to_complete: bool used to wait for link up or not
638 * Reads the links register to determine if link is up and the current speed
640 STATIC s32 ixgbe_check_mac_link_82598(struct ixgbe_hw *hw,
641 ixgbe_link_speed *speed, bool *link_up,
642 bool link_up_wait_to_complete)
646 u16 link_reg, adapt_comp_reg;
648 DEBUGFUNC("ixgbe_check_mac_link_82598");
651 * SERDES PHY requires us to read link status from undocumented
652 * register 0xC79F. Bit 0 set indicates link is up/ready; clear
653 * indicates link down. OxC00C is read to check that the XAUI lanes
654 * are active. Bit 0 clear indicates active; set indicates inactive.
656 if (hw->phy.type == ixgbe_phy_nl) {
657 hw->phy.ops.read_reg(hw, 0xC79F, IXGBE_TWINAX_DEV, &link_reg);
658 hw->phy.ops.read_reg(hw, 0xC79F, IXGBE_TWINAX_DEV, &link_reg);
659 hw->phy.ops.read_reg(hw, 0xC00C, IXGBE_TWINAX_DEV,
661 if (link_up_wait_to_complete) {
662 for (i = 0; i < hw->mac.max_link_up_time; i++) {
663 if ((link_reg & 1) &&
664 ((adapt_comp_reg & 1) == 0)) {
671 hw->phy.ops.read_reg(hw, 0xC79F,
674 hw->phy.ops.read_reg(hw, 0xC00C,
679 if ((link_reg & 1) && ((adapt_comp_reg & 1) == 0))
685 if (*link_up == false)
689 links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
690 if (link_up_wait_to_complete) {
691 for (i = 0; i < hw->mac.max_link_up_time; i++) {
692 if (links_reg & IXGBE_LINKS_UP) {
699 links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
702 if (links_reg & IXGBE_LINKS_UP)
708 if (links_reg & IXGBE_LINKS_SPEED)
709 *speed = IXGBE_LINK_SPEED_10GB_FULL;
711 *speed = IXGBE_LINK_SPEED_1GB_FULL;
713 if ((hw->device_id == IXGBE_DEV_ID_82598AT2) && (*link_up == true) &&
714 (ixgbe_validate_link_ready(hw) != IXGBE_SUCCESS))
718 return IXGBE_SUCCESS;
722 * ixgbe_setup_mac_link_82598 - Set MAC link speed
723 * @hw: pointer to hardware structure
724 * @speed: new link speed
725 * @autoneg_wait_to_complete: true when waiting for completion is needed
727 * Set the link speed in the AUTOC register and restarts link.
729 STATIC s32 ixgbe_setup_mac_link_82598(struct ixgbe_hw *hw,
730 ixgbe_link_speed speed,
731 bool autoneg_wait_to_complete)
733 bool autoneg = false;
734 s32 status = IXGBE_SUCCESS;
735 ixgbe_link_speed link_capabilities = IXGBE_LINK_SPEED_UNKNOWN;
736 u32 curr_autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
737 u32 autoc = curr_autoc;
738 u32 link_mode = autoc & IXGBE_AUTOC_LMS_MASK;
740 DEBUGFUNC("ixgbe_setup_mac_link_82598");
742 /* Check to see if speed passed in is supported. */
743 ixgbe_get_link_capabilities(hw, &link_capabilities, &autoneg);
744 speed &= link_capabilities;
746 if (speed == IXGBE_LINK_SPEED_UNKNOWN)
747 status = IXGBE_ERR_LINK_SETUP;
749 /* Set KX4/KX support according to speed requested */
750 else if (link_mode == IXGBE_AUTOC_LMS_KX4_AN ||
751 link_mode == IXGBE_AUTOC_LMS_KX4_AN_1G_AN) {
752 autoc &= ~IXGBE_AUTOC_KX4_KX_SUPP_MASK;
753 if (speed & IXGBE_LINK_SPEED_10GB_FULL)
754 autoc |= IXGBE_AUTOC_KX4_SUPP;
755 if (speed & IXGBE_LINK_SPEED_1GB_FULL)
756 autoc |= IXGBE_AUTOC_KX_SUPP;
757 if (autoc != curr_autoc)
758 IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc);
761 if (status == IXGBE_SUCCESS) {
763 * Setup and restart the link based on the new values in
764 * ixgbe_hw This will write the AUTOC register based on the new
767 status = ixgbe_start_mac_link_82598(hw,
768 autoneg_wait_to_complete);
776 * ixgbe_setup_copper_link_82598 - Set the PHY autoneg advertised field
777 * @hw: pointer to hardware structure
778 * @speed: new link speed
779 * @autoneg_wait_to_complete: true if waiting is needed to complete
781 * Sets the link speed in the AUTOC register in the MAC and restarts link.
783 STATIC s32 ixgbe_setup_copper_link_82598(struct ixgbe_hw *hw,
784 ixgbe_link_speed speed,
785 bool autoneg_wait_to_complete)
789 DEBUGFUNC("ixgbe_setup_copper_link_82598");
791 /* Setup the PHY according to input speed */
792 status = hw->phy.ops.setup_link_speed(hw, speed,
793 autoneg_wait_to_complete);
795 ixgbe_start_mac_link_82598(hw, autoneg_wait_to_complete);
801 * ixgbe_reset_hw_82598 - Performs hardware reset
802 * @hw: pointer to hardware structure
804 * Resets the hardware by resetting the transmit and receive units, masks and
805 * clears all interrupts, performing a PHY reset, and performing a link (MAC)
808 STATIC s32 ixgbe_reset_hw_82598(struct ixgbe_hw *hw)
810 s32 status = IXGBE_SUCCESS;
811 s32 phy_status = IXGBE_SUCCESS;
818 DEBUGFUNC("ixgbe_reset_hw_82598");
820 /* Call adapter stop to disable tx/rx and clear interrupts */
821 status = hw->mac.ops.stop_adapter(hw);
822 if (status != IXGBE_SUCCESS)
826 * Power up the Atlas Tx lanes if they are currently powered down.
827 * Atlas Tx lanes are powered down for MAC loopback tests, but
828 * they are not automatically restored on reset.
830 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, &analog_val);
831 if (analog_val & IXGBE_ATLAS_PDN_TX_REG_EN) {
832 /* Enable Tx Atlas so packets can be transmitted again */
833 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK,
835 analog_val &= ~IXGBE_ATLAS_PDN_TX_REG_EN;
836 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK,
839 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_10G,
841 analog_val &= ~IXGBE_ATLAS_PDN_TX_10G_QL_ALL;
842 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_10G,
845 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_1G,
847 analog_val &= ~IXGBE_ATLAS_PDN_TX_1G_QL_ALL;
848 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_1G,
851 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_AN,
853 analog_val &= ~IXGBE_ATLAS_PDN_TX_AN_QL_ALL;
854 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_AN,
859 if (hw->phy.reset_disable == false) {
860 /* PHY ops must be identified and initialized prior to reset */
862 /* Init PHY and function pointers, perform SFP setup */
863 phy_status = hw->phy.ops.init(hw);
864 if (phy_status == IXGBE_ERR_SFP_NOT_SUPPORTED)
866 if (phy_status == IXGBE_ERR_SFP_NOT_PRESENT)
869 hw->phy.ops.reset(hw);
874 * Issue global reset to the MAC. This needs to be a SW reset.
875 * If link reset is used, it might reset the MAC when mng is using it
877 ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL) | IXGBE_CTRL_RST;
878 IXGBE_WRITE_REG(hw, IXGBE_CTRL, ctrl);
879 IXGBE_WRITE_FLUSH(hw);
881 /* Poll for reset bit to self-clear indicating reset is complete */
882 for (i = 0; i < 10; i++) {
884 ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL);
885 if (!(ctrl & IXGBE_CTRL_RST))
888 if (ctrl & IXGBE_CTRL_RST) {
889 status = IXGBE_ERR_RESET_FAILED;
890 DEBUGOUT("Reset polling failed to complete.\n");
896 * Double resets are required for recovery from certain error
897 * conditions. Between resets, it is necessary to stall to allow time
898 * for any pending HW events to complete.
900 if (hw->mac.flags & IXGBE_FLAGS_DOUBLE_RESET_REQUIRED) {
901 hw->mac.flags &= ~IXGBE_FLAGS_DOUBLE_RESET_REQUIRED;
905 gheccr = IXGBE_READ_REG(hw, IXGBE_GHECCR);
906 gheccr &= ~((1 << 21) | (1 << 18) | (1 << 9) | (1 << 6));
907 IXGBE_WRITE_REG(hw, IXGBE_GHECCR, gheccr);
910 * Store the original AUTOC value if it has not been
911 * stored off yet. Otherwise restore the stored original
912 * AUTOC value since the reset operation sets back to deaults.
914 autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
915 if (hw->mac.orig_link_settings_stored == false) {
916 hw->mac.orig_autoc = autoc;
917 hw->mac.orig_link_settings_stored = true;
918 } else if (autoc != hw->mac.orig_autoc) {
919 IXGBE_WRITE_REG(hw, IXGBE_AUTOC, hw->mac.orig_autoc);
922 /* Store the permanent mac address */
923 hw->mac.ops.get_mac_addr(hw, hw->mac.perm_addr);
926 * Store MAC address from RAR0, clear receive address registers, and
927 * clear the multicast table
929 hw->mac.ops.init_rx_addrs(hw);
932 if (phy_status != IXGBE_SUCCESS)
939 * ixgbe_set_vmdq_82598 - Associate a VMDq set index with a rx address
940 * @hw: pointer to hardware struct
941 * @rar: receive address register index to associate with a VMDq index
942 * @vmdq: VMDq set index
944 s32 ixgbe_set_vmdq_82598(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
947 u32 rar_entries = hw->mac.num_rar_entries;
949 DEBUGFUNC("ixgbe_set_vmdq_82598");
951 /* Make sure we are using a valid rar index range */
952 if (rar >= rar_entries) {
953 DEBUGOUT1("RAR index %d is out of range.\n", rar);
954 return IXGBE_ERR_INVALID_ARGUMENT;
957 rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(rar));
958 rar_high &= ~IXGBE_RAH_VIND_MASK;
959 rar_high |= ((vmdq << IXGBE_RAH_VIND_SHIFT) & IXGBE_RAH_VIND_MASK);
960 IXGBE_WRITE_REG(hw, IXGBE_RAH(rar), rar_high);
961 return IXGBE_SUCCESS;
965 * ixgbe_clear_vmdq_82598 - Disassociate a VMDq set index from an rx address
966 * @hw: pointer to hardware struct
967 * @rar: receive address register index to associate with a VMDq index
968 * @vmdq: VMDq clear index (not used in 82598, but elsewhere)
970 STATIC s32 ixgbe_clear_vmdq_82598(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
973 u32 rar_entries = hw->mac.num_rar_entries;
975 UNREFERENCED_1PARAMETER(vmdq);
977 /* Make sure we are using a valid rar index range */
978 if (rar >= rar_entries) {
979 DEBUGOUT1("RAR index %d is out of range.\n", rar);
980 return IXGBE_ERR_INVALID_ARGUMENT;
983 rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(rar));
984 if (rar_high & IXGBE_RAH_VIND_MASK) {
985 rar_high &= ~IXGBE_RAH_VIND_MASK;
986 IXGBE_WRITE_REG(hw, IXGBE_RAH(rar), rar_high);
989 return IXGBE_SUCCESS;
993 * ixgbe_set_vfta_82598 - Set VLAN filter table
994 * @hw: pointer to hardware structure
995 * @vlan: VLAN id to write to VLAN filter
996 * @vind: VMDq output index that maps queue to VLAN id in VFTA
997 * @vlan_on: boolean flag to turn on/off VLAN in VFTA
998 * @vlvf_bypass: boolean flag - unused
1000 * Turn on/off specified VLAN in the VLAN filter table.
1002 s32 ixgbe_set_vfta_82598(struct ixgbe_hw *hw, u32 vlan, u32 vind,
1003 bool vlan_on, bool vlvf_bypass)
1010 UNREFERENCED_1PARAMETER(vlvf_bypass);
1012 DEBUGFUNC("ixgbe_set_vfta_82598");
1015 return IXGBE_ERR_PARAM;
1017 /* Determine 32-bit word position in array */
1018 regindex = (vlan >> 5) & 0x7F; /* upper seven bits */
1020 /* Determine the location of the (VMD) queue index */
1021 vftabyte = ((vlan >> 3) & 0x03); /* bits (4:3) indicating byte array */
1022 bitindex = (vlan & 0x7) << 2; /* lower 3 bits indicate nibble */
1024 /* Set the nibble for VMD queue index */
1025 bits = IXGBE_READ_REG(hw, IXGBE_VFTAVIND(vftabyte, regindex));
1026 bits &= (~(0x0F << bitindex));
1027 bits |= (vind << bitindex);
1028 IXGBE_WRITE_REG(hw, IXGBE_VFTAVIND(vftabyte, regindex), bits);
1030 /* Determine the location of the bit for this VLAN id */
1031 bitindex = vlan & 0x1F; /* lower five bits */
1033 bits = IXGBE_READ_REG(hw, IXGBE_VFTA(regindex));
1035 /* Turn on this VLAN id */
1036 bits |= (1 << bitindex);
1038 /* Turn off this VLAN id */
1039 bits &= ~(1 << bitindex);
1040 IXGBE_WRITE_REG(hw, IXGBE_VFTA(regindex), bits);
1042 return IXGBE_SUCCESS;
1046 * ixgbe_clear_vfta_82598 - Clear VLAN filter table
1047 * @hw: pointer to hardware structure
1049 * Clears the VLAN filer table, and the VMDq index associated with the filter
1051 STATIC s32 ixgbe_clear_vfta_82598(struct ixgbe_hw *hw)
1056 DEBUGFUNC("ixgbe_clear_vfta_82598");
1058 for (offset = 0; offset < hw->mac.vft_size; offset++)
1059 IXGBE_WRITE_REG(hw, IXGBE_VFTA(offset), 0);
1061 for (vlanbyte = 0; vlanbyte < 4; vlanbyte++)
1062 for (offset = 0; offset < hw->mac.vft_size; offset++)
1063 IXGBE_WRITE_REG(hw, IXGBE_VFTAVIND(vlanbyte, offset),
1066 return IXGBE_SUCCESS;
1070 * ixgbe_read_analog_reg8_82598 - Reads 8 bit Atlas analog register
1071 * @hw: pointer to hardware structure
1072 * @reg: analog register to read
1075 * Performs read operation to Atlas analog register specified.
1077 s32 ixgbe_read_analog_reg8_82598(struct ixgbe_hw *hw, u32 reg, u8 *val)
1081 DEBUGFUNC("ixgbe_read_analog_reg8_82598");
1083 IXGBE_WRITE_REG(hw, IXGBE_ATLASCTL,
1084 IXGBE_ATLASCTL_WRITE_CMD | (reg << 8));
1085 IXGBE_WRITE_FLUSH(hw);
1087 atlas_ctl = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
1088 *val = (u8)atlas_ctl;
1090 return IXGBE_SUCCESS;
1094 * ixgbe_write_analog_reg8_82598 - Writes 8 bit Atlas analog register
1095 * @hw: pointer to hardware structure
1096 * @reg: atlas register to write
1097 * @val: value to write
1099 * Performs write operation to Atlas analog register specified.
1101 s32 ixgbe_write_analog_reg8_82598(struct ixgbe_hw *hw, u32 reg, u8 val)
1105 DEBUGFUNC("ixgbe_write_analog_reg8_82598");
1107 atlas_ctl = (reg << 8) | val;
1108 IXGBE_WRITE_REG(hw, IXGBE_ATLASCTL, atlas_ctl);
1109 IXGBE_WRITE_FLUSH(hw);
1112 return IXGBE_SUCCESS;
1116 * ixgbe_read_i2c_phy_82598 - Reads 8 bit word over I2C interface.
1117 * @hw: pointer to hardware structure
1118 * @dev_addr: address to read from
1119 * @byte_offset: byte offset to read from dev_addr
1120 * @eeprom_data: value read
1122 * Performs 8 byte read operation to SFP module's EEPROM over I2C interface.
1124 STATIC s32 ixgbe_read_i2c_phy_82598(struct ixgbe_hw *hw, u8 dev_addr,
1125 u8 byte_offset, u8 *eeprom_data)
1127 s32 status = IXGBE_SUCCESS;
1134 DEBUGFUNC("ixgbe_read_i2c_phy_82598");
1136 if (IXGBE_READ_REG(hw, IXGBE_STATUS) & IXGBE_STATUS_LAN_ID_1)
1137 gssr = IXGBE_GSSR_PHY1_SM;
1139 gssr = IXGBE_GSSR_PHY0_SM;
1141 if (hw->mac.ops.acquire_swfw_sync(hw, gssr) != IXGBE_SUCCESS)
1142 return IXGBE_ERR_SWFW_SYNC;
1144 if (hw->phy.type == ixgbe_phy_nl) {
1146 * NetLogic phy SDA/SCL registers are at addresses 0xC30A to
1147 * 0xC30D. These registers are used to talk to the SFP+
1148 * module's EEPROM through the SDA/SCL (I2C) interface.
1150 sfp_addr = (dev_addr << 8) + byte_offset;
1151 sfp_addr = (sfp_addr | IXGBE_I2C_EEPROM_READ_MASK);
1152 hw->phy.ops.write_reg_mdi(hw,
1153 IXGBE_MDIO_PMA_PMD_SDA_SCL_ADDR,
1154 IXGBE_MDIO_PMA_PMD_DEV_TYPE,
1158 for (i = 0; i < 100; i++) {
1159 hw->phy.ops.read_reg_mdi(hw,
1160 IXGBE_MDIO_PMA_PMD_SDA_SCL_STAT,
1161 IXGBE_MDIO_PMA_PMD_DEV_TYPE,
1163 sfp_stat = sfp_stat & IXGBE_I2C_EEPROM_STATUS_MASK;
1164 if (sfp_stat != IXGBE_I2C_EEPROM_STATUS_IN_PROGRESS)
1169 if (sfp_stat != IXGBE_I2C_EEPROM_STATUS_PASS) {
1170 DEBUGOUT("EEPROM read did not pass.\n");
1171 status = IXGBE_ERR_SFP_NOT_PRESENT;
1176 hw->phy.ops.read_reg_mdi(hw, IXGBE_MDIO_PMA_PMD_SDA_SCL_DATA,
1177 IXGBE_MDIO_PMA_PMD_DEV_TYPE, &sfp_data);
1179 *eeprom_data = (u8)(sfp_data >> 8);
1181 status = IXGBE_ERR_PHY;
1185 hw->mac.ops.release_swfw_sync(hw, gssr);
1190 * ixgbe_read_i2c_eeprom_82598 - Reads 8 bit word over I2C interface.
1191 * @hw: pointer to hardware structure
1192 * @byte_offset: EEPROM byte offset to read
1193 * @eeprom_data: value read
1195 * Performs 8 byte read operation to SFP module's EEPROM over I2C interface.
1197 s32 ixgbe_read_i2c_eeprom_82598(struct ixgbe_hw *hw, u8 byte_offset,
1200 return ixgbe_read_i2c_phy_82598(hw, IXGBE_I2C_EEPROM_DEV_ADDR,
1201 byte_offset, eeprom_data);
1205 * ixgbe_read_i2c_sff8472_82598 - Reads 8 bit word over I2C interface.
1206 * @hw: pointer to hardware structure
1207 * @byte_offset: byte offset at address 0xA2
1208 * @eeprom_data: value read
1210 * Performs 8 byte read operation to SFP module's SFF-8472 data over I2C
1212 STATIC s32 ixgbe_read_i2c_sff8472_82598(struct ixgbe_hw *hw, u8 byte_offset,
1215 return ixgbe_read_i2c_phy_82598(hw, IXGBE_I2C_EEPROM_DEV_ADDR2,
1216 byte_offset, sff8472_data);
1220 * ixgbe_get_supported_physical_layer_82598 - Returns physical layer type
1221 * @hw: pointer to hardware structure
1223 * Determines physical layer capabilities of the current configuration.
1225 u64 ixgbe_get_supported_physical_layer_82598(struct ixgbe_hw *hw)
1227 u64 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
1228 u32 autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
1229 u32 pma_pmd_10g = autoc & IXGBE_AUTOC_10G_PMA_PMD_MASK;
1230 u32 pma_pmd_1g = autoc & IXGBE_AUTOC_1G_PMA_PMD_MASK;
1231 u16 ext_ability = 0;
1233 DEBUGFUNC("ixgbe_get_supported_physical_layer_82598");
1235 hw->phy.ops.identify(hw);
1237 /* Copper PHY must be checked before AUTOC LMS to determine correct
1238 * physical layer because 10GBase-T PHYs use LMS = KX4/KX */
1239 switch (hw->phy.type) {
1241 case ixgbe_phy_cu_unknown:
1242 hw->phy.ops.read_reg(hw, IXGBE_MDIO_PHY_EXT_ABILITY,
1243 IXGBE_MDIO_PMA_PMD_DEV_TYPE, &ext_ability);
1244 if (ext_ability & IXGBE_MDIO_PHY_10GBASET_ABILITY)
1245 physical_layer |= IXGBE_PHYSICAL_LAYER_10GBASE_T;
1246 if (ext_ability & IXGBE_MDIO_PHY_1000BASET_ABILITY)
1247 physical_layer |= IXGBE_PHYSICAL_LAYER_1000BASE_T;
1248 if (ext_ability & IXGBE_MDIO_PHY_100BASETX_ABILITY)
1249 physical_layer |= IXGBE_PHYSICAL_LAYER_100BASE_TX;
1255 switch (autoc & IXGBE_AUTOC_LMS_MASK) {
1256 case IXGBE_AUTOC_LMS_1G_AN:
1257 case IXGBE_AUTOC_LMS_1G_LINK_NO_AN:
1258 if (pma_pmd_1g == IXGBE_AUTOC_1G_KX)
1259 physical_layer = IXGBE_PHYSICAL_LAYER_1000BASE_KX;
1261 physical_layer = IXGBE_PHYSICAL_LAYER_1000BASE_BX;
1263 case IXGBE_AUTOC_LMS_10G_LINK_NO_AN:
1264 if (pma_pmd_10g == IXGBE_AUTOC_10G_CX4)
1265 physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_CX4;
1266 else if (pma_pmd_10g == IXGBE_AUTOC_10G_KX4)
1267 physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_KX4;
1269 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
1271 case IXGBE_AUTOC_LMS_KX4_AN:
1272 case IXGBE_AUTOC_LMS_KX4_AN_1G_AN:
1273 if (autoc & IXGBE_AUTOC_KX_SUPP)
1274 physical_layer |= IXGBE_PHYSICAL_LAYER_1000BASE_KX;
1275 if (autoc & IXGBE_AUTOC_KX4_SUPP)
1276 physical_layer |= IXGBE_PHYSICAL_LAYER_10GBASE_KX4;
1282 if (hw->phy.type == ixgbe_phy_nl) {
1283 hw->phy.ops.identify_sfp(hw);
1285 switch (hw->phy.sfp_type) {
1286 case ixgbe_sfp_type_da_cu:
1287 physical_layer = IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU;
1289 case ixgbe_sfp_type_sr:
1290 physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_SR;
1292 case ixgbe_sfp_type_lr:
1293 physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_LR;
1296 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
1301 switch (hw->device_id) {
1302 case IXGBE_DEV_ID_82598_DA_DUAL_PORT:
1303 physical_layer = IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU;
1305 case IXGBE_DEV_ID_82598AF_DUAL_PORT:
1306 case IXGBE_DEV_ID_82598AF_SINGLE_PORT:
1307 case IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM:
1308 physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_SR;
1310 case IXGBE_DEV_ID_82598EB_XF_LR:
1311 physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_LR;
1318 return physical_layer;
1322 * ixgbe_set_lan_id_multi_port_pcie_82598 - Set LAN id for PCIe multiple
1324 * @hw: pointer to the HW structure
1326 * Calls common function and corrects issue with some single port devices
1327 * that enable LAN1 but not LAN0.
1329 void ixgbe_set_lan_id_multi_port_pcie_82598(struct ixgbe_hw *hw)
1331 struct ixgbe_bus_info *bus = &hw->bus;
1335 DEBUGFUNC("ixgbe_set_lan_id_multi_port_pcie_82598");
1337 ixgbe_set_lan_id_multi_port_pcie(hw);
1339 /* check if LAN0 is disabled */
1340 hw->eeprom.ops.read(hw, IXGBE_PCIE_GENERAL_PTR, &pci_gen);
1341 if ((pci_gen != 0) && (pci_gen != 0xFFFF)) {
1343 hw->eeprom.ops.read(hw, pci_gen + IXGBE_PCIE_CTRL2, &pci_ctrl2);
1345 /* if LAN0 is completely disabled force function to 0 */
1346 if ((pci_ctrl2 & IXGBE_PCIE_CTRL2_LAN_DISABLE) &&
1347 !(pci_ctrl2 & IXGBE_PCIE_CTRL2_DISABLE_SELECT) &&
1348 !(pci_ctrl2 & IXGBE_PCIE_CTRL2_DUMMY_ENABLE)) {
1356 * ixgbe_enable_relaxed_ordering_82598 - enable relaxed ordering
1357 * @hw: pointer to hardware structure
1360 void ixgbe_enable_relaxed_ordering_82598(struct ixgbe_hw *hw)
1365 DEBUGFUNC("ixgbe_enable_relaxed_ordering_82598");
1367 /* Enable relaxed ordering */
1368 for (i = 0; ((i < hw->mac.max_tx_queues) &&
1369 (i < IXGBE_DCA_MAX_QUEUES_82598)); i++) {
1370 regval = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i));
1371 regval |= IXGBE_DCA_TXCTRL_DESC_WRO_EN;
1372 IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL(i), regval);
1375 for (i = 0; ((i < hw->mac.max_rx_queues) &&
1376 (i < IXGBE_DCA_MAX_QUEUES_82598)); i++) {
1377 regval = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
1378 regval |= IXGBE_DCA_RXCTRL_DATA_WRO_EN |
1379 IXGBE_DCA_RXCTRL_HEAD_WRO_EN;
1380 IXGBE_WRITE_REG(hw, IXGBE_DCA_RXCTRL(i), regval);
1386 * ixgbe_set_rxpba_82598 - Initialize RX packet buffer
1387 * @hw: pointer to hardware structure
1388 * @num_pb: number of packet buffers to allocate
1389 * @headroom: reserve n KB of headroom
1390 * @strategy: packet buffer allocation strategy
1392 STATIC void ixgbe_set_rxpba_82598(struct ixgbe_hw *hw, int num_pb,
1393 u32 headroom, int strategy)
1395 u32 rxpktsize = IXGBE_RXPBSIZE_64KB;
1397 UNREFERENCED_1PARAMETER(headroom);
1402 /* Setup Rx packet buffer sizes */
1404 case PBA_STRATEGY_WEIGHTED:
1405 /* Setup the first four at 80KB */
1406 rxpktsize = IXGBE_RXPBSIZE_80KB;
1408 IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), rxpktsize);
1409 /* Setup the last four at 48KB...don't re-init i */
1410 rxpktsize = IXGBE_RXPBSIZE_48KB;
1412 case PBA_STRATEGY_EQUAL:
1414 /* Divide the remaining Rx packet buffer evenly among the TCs */
1415 for (; i < IXGBE_MAX_PACKET_BUFFERS; i++)
1416 IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), rxpktsize);
1420 /* Setup Tx packet buffer sizes */
1421 for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++)
1422 IXGBE_WRITE_REG(hw, IXGBE_TXPBSIZE(i), IXGBE_TXPBSIZE_40KB);
1426 * ixgbe_enable_rx_dma_82598 - Enable the Rx DMA unit
1427 * @hw: pointer to hardware structure
1428 * @regval: register value to write to RXCTRL
1430 * Enables the Rx DMA unit
1432 s32 ixgbe_enable_rx_dma_82598(struct ixgbe_hw *hw, u32 regval)
1434 DEBUGFUNC("ixgbe_enable_rx_dma_82598");
1436 IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, regval);
1438 return IXGBE_SUCCESS;