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11afc1b1 PW |
1 | /******************************************************************************* |
2 | ||
3 | Intel 10 Gigabit PCI Express Linux driver | |
8c47eaa7 | 4 | Copyright(c) 1999 - 2010 Intel Corporation. |
11afc1b1 PW |
5 | |
6 | This program is free software; you can redistribute it and/or modify it | |
7 | under the terms and conditions of the GNU General Public License, | |
8 | version 2, as published by the Free Software Foundation. | |
9 | ||
10 | This program is distributed in the hope it will be useful, but WITHOUT | |
11 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
12 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
13 | more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License along with | |
16 | this program; if not, write to the Free Software Foundation, Inc., | |
17 | 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. | |
18 | ||
19 | The full GNU General Public License is included in this distribution in | |
20 | the file called "COPYING". | |
21 | ||
22 | Contact Information: | |
23 | e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> | |
24 | Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 | |
25 | ||
26 | *******************************************************************************/ | |
27 | ||
28 | #include <linux/pci.h> | |
29 | #include <linux/delay.h> | |
30 | #include <linux/sched.h> | |
31 | ||
32 | #include "ixgbe.h" | |
33 | #include "ixgbe_phy.h" | |
096a58fd | 34 | #include "ixgbe_mbx.h" |
11afc1b1 PW |
35 | |
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 | ||
61fac744 PW |
42 | void ixgbe_disable_tx_laser_multispeed_fiber(struct ixgbe_hw *hw); |
43 | void ixgbe_enable_tx_laser_multispeed_fiber(struct ixgbe_hw *hw); | |
1097cd17 | 44 | void ixgbe_flap_tx_laser_multispeed_fiber(struct ixgbe_hw *hw); |
8620a103 MC |
45 | s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw, |
46 | ixgbe_link_speed speed, | |
47 | bool autoneg, | |
48 | bool autoneg_wait_to_complete); | |
cd7e1f0b DS |
49 | static s32 ixgbe_setup_mac_link_smartspeed(struct ixgbe_hw *hw, |
50 | ixgbe_link_speed speed, | |
51 | bool autoneg, | |
52 | bool autoneg_wait_to_complete); | |
8620a103 MC |
53 | s32 ixgbe_start_mac_link_82599(struct ixgbe_hw *hw, |
54 | bool autoneg_wait_to_complete); | |
55 | s32 ixgbe_setup_mac_link_82599(struct ixgbe_hw *hw, | |
56 | ixgbe_link_speed speed, | |
57 | bool autoneg, | |
58 | bool autoneg_wait_to_complete); | |
11afc1b1 PW |
59 | static s32 ixgbe_get_copper_link_capabilities_82599(struct ixgbe_hw *hw, |
60 | ixgbe_link_speed *speed, | |
61 | bool *autoneg); | |
8620a103 MC |
62 | static s32 ixgbe_setup_copper_link_82599(struct ixgbe_hw *hw, |
63 | ixgbe_link_speed speed, | |
64 | bool autoneg, | |
65 | bool autoneg_wait_to_complete); | |
794caeb2 | 66 | static s32 ixgbe_verify_fw_version_82599(struct ixgbe_hw *hw); |
11afc1b1 | 67 | |
7b25cdba | 68 | static void ixgbe_init_mac_link_ops_82599(struct ixgbe_hw *hw) |
11afc1b1 PW |
69 | { |
70 | struct ixgbe_mac_info *mac = &hw->mac; | |
71 | if (hw->phy.multispeed_fiber) { | |
72 | /* Set up dual speed SFP+ support */ | |
8620a103 | 73 | mac->ops.setup_link = &ixgbe_setup_mac_link_multispeed_fiber; |
61fac744 PW |
74 | mac->ops.disable_tx_laser = |
75 | &ixgbe_disable_tx_laser_multispeed_fiber; | |
76 | mac->ops.enable_tx_laser = | |
77 | &ixgbe_enable_tx_laser_multispeed_fiber; | |
1097cd17 | 78 | mac->ops.flap_tx_laser = &ixgbe_flap_tx_laser_multispeed_fiber; |
11afc1b1 | 79 | } else { |
61fac744 PW |
80 | mac->ops.disable_tx_laser = NULL; |
81 | mac->ops.enable_tx_laser = NULL; | |
1097cd17 | 82 | mac->ops.flap_tx_laser = NULL; |
cd7e1f0b DS |
83 | if ((mac->ops.get_media_type(hw) == |
84 | ixgbe_media_type_backplane) && | |
85 | (hw->phy.smart_speed == ixgbe_smart_speed_auto || | |
86 | hw->phy.smart_speed == ixgbe_smart_speed_on)) | |
87 | mac->ops.setup_link = &ixgbe_setup_mac_link_smartspeed; | |
88 | else | |
89 | mac->ops.setup_link = &ixgbe_setup_mac_link_82599; | |
11afc1b1 PW |
90 | } |
91 | } | |
92 | ||
7b25cdba | 93 | static s32 ixgbe_setup_sfp_modules_82599(struct ixgbe_hw *hw) |
11afc1b1 PW |
94 | { |
95 | s32 ret_val = 0; | |
96 | u16 list_offset, data_offset, data_value; | |
97 | ||
98 | if (hw->phy.sfp_type != ixgbe_sfp_type_unknown) { | |
99 | ixgbe_init_mac_link_ops_82599(hw); | |
553b4497 PW |
100 | |
101 | hw->phy.ops.reset = NULL; | |
102 | ||
11afc1b1 PW |
103 | ret_val = ixgbe_get_sfp_init_sequence_offsets(hw, &list_offset, |
104 | &data_offset); | |
105 | ||
106 | if (ret_val != 0) | |
107 | goto setup_sfp_out; | |
108 | ||
aa5aec88 PWJ |
109 | /* PHY config will finish before releasing the semaphore */ |
110 | ret_val = ixgbe_acquire_swfw_sync(hw, IXGBE_GSSR_MAC_CSR_SM); | |
111 | if (ret_val != 0) { | |
112 | ret_val = IXGBE_ERR_SWFW_SYNC; | |
113 | goto setup_sfp_out; | |
114 | } | |
115 | ||
11afc1b1 PW |
116 | hw->eeprom.ops.read(hw, ++data_offset, &data_value); |
117 | while (data_value != 0xffff) { | |
118 | IXGBE_WRITE_REG(hw, IXGBE_CORECTL, data_value); | |
119 | IXGBE_WRITE_FLUSH(hw); | |
120 | hw->eeprom.ops.read(hw, ++data_offset, &data_value); | |
121 | } | |
1479ad4f PWJ |
122 | /* Now restart DSP by setting Restart_AN */ |
123 | IXGBE_WRITE_REG(hw, IXGBE_AUTOC, | |
124 | (IXGBE_READ_REG(hw, IXGBE_AUTOC) | IXGBE_AUTOC_AN_RESTART)); | |
aa5aec88 PWJ |
125 | |
126 | /* Release the semaphore */ | |
127 | ixgbe_release_swfw_sync(hw, IXGBE_GSSR_MAC_CSR_SM); | |
128 | /* Delay obtaining semaphore again to allow FW access */ | |
129 | msleep(hw->eeprom.semaphore_delay); | |
11afc1b1 PW |
130 | } |
131 | ||
132 | setup_sfp_out: | |
133 | return ret_val; | |
134 | } | |
135 | ||
11afc1b1 PW |
136 | static s32 ixgbe_get_invariants_82599(struct ixgbe_hw *hw) |
137 | { | |
138 | struct ixgbe_mac_info *mac = &hw->mac; | |
11afc1b1 | 139 | |
04f165ef | 140 | ixgbe_init_mac_link_ops_82599(hw); |
11afc1b1 | 141 | |
04f165ef PW |
142 | mac->mcft_size = IXGBE_82599_MC_TBL_SIZE; |
143 | mac->vft_size = IXGBE_82599_VFT_TBL_SIZE; | |
144 | mac->num_rar_entries = IXGBE_82599_RAR_ENTRIES; | |
145 | mac->max_rx_queues = IXGBE_82599_MAX_RX_QUEUES; | |
146 | mac->max_tx_queues = IXGBE_82599_MAX_TX_QUEUES; | |
21ce849b | 147 | mac->max_msix_vectors = ixgbe_get_pcie_msix_count_generic(hw); |
11afc1b1 | 148 | |
04f165ef PW |
149 | return 0; |
150 | } | |
11afc1b1 | 151 | |
04f165ef PW |
152 | /** |
153 | * ixgbe_init_phy_ops_82599 - PHY/SFP specific init | |
154 | * @hw: pointer to hardware structure | |
155 | * | |
156 | * Initialize any function pointers that were not able to be | |
157 | * set during get_invariants because the PHY/SFP type was | |
158 | * not known. Perform the SFP init if necessary. | |
159 | * | |
160 | **/ | |
7b25cdba | 161 | static s32 ixgbe_init_phy_ops_82599(struct ixgbe_hw *hw) |
04f165ef PW |
162 | { |
163 | struct ixgbe_mac_info *mac = &hw->mac; | |
164 | struct ixgbe_phy_info *phy = &hw->phy; | |
165 | s32 ret_val = 0; | |
11afc1b1 | 166 | |
04f165ef PW |
167 | /* Identify the PHY or SFP module */ |
168 | ret_val = phy->ops.identify(hw); | |
169 | ||
170 | /* Setup function pointers based on detected SFP module and speeds */ | |
171 | ixgbe_init_mac_link_ops_82599(hw); | |
11afc1b1 PW |
172 | |
173 | /* If copper media, overwrite with copper function pointers */ | |
174 | if (mac->ops.get_media_type(hw) == ixgbe_media_type_copper) { | |
175 | mac->ops.setup_link = &ixgbe_setup_copper_link_82599; | |
11afc1b1 PW |
176 | mac->ops.get_link_capabilities = |
177 | &ixgbe_get_copper_link_capabilities_82599; | |
178 | } | |
179 | ||
04f165ef | 180 | /* Set necessary function pointers based on phy type */ |
11afc1b1 PW |
181 | switch (hw->phy.type) { |
182 | case ixgbe_phy_tn: | |
183 | phy->ops.check_link = &ixgbe_check_phy_link_tnx; | |
184 | phy->ops.get_firmware_version = | |
04f165ef | 185 | &ixgbe_get_phy_firmware_version_tnx; |
11afc1b1 PW |
186 | break; |
187 | default: | |
188 | break; | |
189 | } | |
190 | ||
11afc1b1 PW |
191 | return ret_val; |
192 | } | |
193 | ||
194 | /** | |
195 | * ixgbe_get_link_capabilities_82599 - Determines link capabilities | |
196 | * @hw: pointer to hardware structure | |
197 | * @speed: pointer to link speed | |
198 | * @negotiation: true when autoneg or autotry is enabled | |
199 | * | |
200 | * Determines the link capabilities by reading the AUTOC register. | |
201 | **/ | |
7b25cdba DS |
202 | static s32 ixgbe_get_link_capabilities_82599(struct ixgbe_hw *hw, |
203 | ixgbe_link_speed *speed, | |
204 | bool *negotiation) | |
11afc1b1 PW |
205 | { |
206 | s32 status = 0; | |
1eb99d5a | 207 | u32 autoc = 0; |
11afc1b1 | 208 | |
1eb99d5a PW |
209 | /* |
210 | * Determine link capabilities based on the stored value of AUTOC, | |
211 | * which represents EEPROM defaults. If AUTOC value has not been | |
212 | * stored, use the current register value. | |
213 | */ | |
214 | if (hw->mac.orig_link_settings_stored) | |
215 | autoc = hw->mac.orig_autoc; | |
216 | else | |
217 | autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC); | |
218 | ||
219 | switch (autoc & IXGBE_AUTOC_LMS_MASK) { | |
11afc1b1 PW |
220 | case IXGBE_AUTOC_LMS_1G_LINK_NO_AN: |
221 | *speed = IXGBE_LINK_SPEED_1GB_FULL; | |
222 | *negotiation = false; | |
223 | break; | |
224 | ||
225 | case IXGBE_AUTOC_LMS_10G_LINK_NO_AN: | |
226 | *speed = IXGBE_LINK_SPEED_10GB_FULL; | |
227 | *negotiation = false; | |
228 | break; | |
229 | ||
230 | case IXGBE_AUTOC_LMS_1G_AN: | |
231 | *speed = IXGBE_LINK_SPEED_1GB_FULL; | |
232 | *negotiation = true; | |
233 | break; | |
234 | ||
235 | case IXGBE_AUTOC_LMS_10G_SERIAL: | |
236 | *speed = IXGBE_LINK_SPEED_10GB_FULL; | |
237 | *negotiation = false; | |
238 | break; | |
239 | ||
240 | case IXGBE_AUTOC_LMS_KX4_KX_KR: | |
241 | case IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN: | |
242 | *speed = IXGBE_LINK_SPEED_UNKNOWN; | |
1eb99d5a | 243 | if (autoc & IXGBE_AUTOC_KR_SUPP) |
11afc1b1 | 244 | *speed |= IXGBE_LINK_SPEED_10GB_FULL; |
1eb99d5a | 245 | if (autoc & IXGBE_AUTOC_KX4_SUPP) |
11afc1b1 | 246 | *speed |= IXGBE_LINK_SPEED_10GB_FULL; |
1eb99d5a | 247 | if (autoc & IXGBE_AUTOC_KX_SUPP) |
11afc1b1 PW |
248 | *speed |= IXGBE_LINK_SPEED_1GB_FULL; |
249 | *negotiation = true; | |
250 | break; | |
251 | ||
252 | case IXGBE_AUTOC_LMS_KX4_KX_KR_SGMII: | |
253 | *speed = IXGBE_LINK_SPEED_100_FULL; | |
1eb99d5a | 254 | if (autoc & IXGBE_AUTOC_KR_SUPP) |
11afc1b1 | 255 | *speed |= IXGBE_LINK_SPEED_10GB_FULL; |
1eb99d5a | 256 | if (autoc & IXGBE_AUTOC_KX4_SUPP) |
11afc1b1 | 257 | *speed |= IXGBE_LINK_SPEED_10GB_FULL; |
1eb99d5a | 258 | if (autoc & IXGBE_AUTOC_KX_SUPP) |
11afc1b1 PW |
259 | *speed |= IXGBE_LINK_SPEED_1GB_FULL; |
260 | *negotiation = true; | |
261 | break; | |
262 | ||
263 | case IXGBE_AUTOC_LMS_SGMII_1G_100M: | |
264 | *speed = IXGBE_LINK_SPEED_1GB_FULL | IXGBE_LINK_SPEED_100_FULL; | |
265 | *negotiation = false; | |
266 | break; | |
267 | ||
268 | default: | |
269 | status = IXGBE_ERR_LINK_SETUP; | |
270 | goto out; | |
271 | break; | |
272 | } | |
273 | ||
274 | if (hw->phy.multispeed_fiber) { | |
275 | *speed |= IXGBE_LINK_SPEED_10GB_FULL | | |
276 | IXGBE_LINK_SPEED_1GB_FULL; | |
277 | *negotiation = true; | |
278 | } | |
279 | ||
280 | out: | |
281 | return status; | |
282 | } | |
283 | ||
284 | /** | |
285 | * ixgbe_get_copper_link_capabilities_82599 - Determines link capabilities | |
286 | * @hw: pointer to hardware structure | |
287 | * @speed: pointer to link speed | |
288 | * @autoneg: boolean auto-negotiation value | |
289 | * | |
290 | * Determines the link capabilities by reading the AUTOC register. | |
291 | **/ | |
292 | static s32 ixgbe_get_copper_link_capabilities_82599(struct ixgbe_hw *hw, | |
293 | ixgbe_link_speed *speed, | |
294 | bool *autoneg) | |
295 | { | |
296 | s32 status = IXGBE_ERR_LINK_SETUP; | |
297 | u16 speed_ability; | |
298 | ||
299 | *speed = 0; | |
300 | *autoneg = true; | |
301 | ||
6b73e10d | 302 | status = hw->phy.ops.read_reg(hw, MDIO_SPEED, MDIO_MMD_PMAPMD, |
11afc1b1 PW |
303 | &speed_ability); |
304 | ||
305 | if (status == 0) { | |
6b73e10d | 306 | if (speed_ability & MDIO_SPEED_10G) |
11afc1b1 | 307 | *speed |= IXGBE_LINK_SPEED_10GB_FULL; |
6b73e10d | 308 | if (speed_ability & MDIO_PMA_SPEED_1000) |
11afc1b1 PW |
309 | *speed |= IXGBE_LINK_SPEED_1GB_FULL; |
310 | } | |
311 | ||
312 | return status; | |
313 | } | |
314 | ||
315 | /** | |
316 | * ixgbe_get_media_type_82599 - Get media type | |
317 | * @hw: pointer to hardware structure | |
318 | * | |
319 | * Returns the media type (fiber, copper, backplane) | |
320 | **/ | |
7b25cdba | 321 | static enum ixgbe_media_type ixgbe_get_media_type_82599(struct ixgbe_hw *hw) |
11afc1b1 PW |
322 | { |
323 | enum ixgbe_media_type media_type; | |
324 | ||
325 | /* Detect if there is a copper PHY attached. */ | |
326 | if (hw->phy.type == ixgbe_phy_cu_unknown || | |
327 | hw->phy.type == ixgbe_phy_tn) { | |
328 | media_type = ixgbe_media_type_copper; | |
329 | goto out; | |
330 | } | |
331 | ||
332 | switch (hw->device_id) { | |
11afc1b1 | 333 | case IXGBE_DEV_ID_82599_KX4: |
dbfec662 | 334 | case IXGBE_DEV_ID_82599_KX4_MEZZ: |
312eb931 | 335 | case IXGBE_DEV_ID_82599_COMBO_BACKPLANE: |
74757d49 | 336 | case IXGBE_DEV_ID_82599_KR: |
1fcf03e6 | 337 | case IXGBE_DEV_ID_82599_XAUI_LOM: |
11afc1b1 PW |
338 | /* Default device ID is mezzanine card KX/KX4 */ |
339 | media_type = ixgbe_media_type_backplane; | |
340 | break; | |
341 | case IXGBE_DEV_ID_82599_SFP: | |
38ad1c8e | 342 | case IXGBE_DEV_ID_82599_SFP_EM: |
11afc1b1 PW |
343 | media_type = ixgbe_media_type_fiber; |
344 | break; | |
8911184f | 345 | case IXGBE_DEV_ID_82599_CX4: |
6b1be199 | 346 | media_type = ixgbe_media_type_cx4; |
8911184f | 347 | break; |
11afc1b1 PW |
348 | default: |
349 | media_type = ixgbe_media_type_unknown; | |
350 | break; | |
351 | } | |
352 | out: | |
353 | return media_type; | |
354 | } | |
355 | ||
356 | /** | |
8620a103 | 357 | * ixgbe_start_mac_link_82599 - Setup MAC link settings |
11afc1b1 | 358 | * @hw: pointer to hardware structure |
8620a103 | 359 | * @autoneg_wait_to_complete: true when waiting for completion is needed |
11afc1b1 PW |
360 | * |
361 | * Configures link settings based on values in the ixgbe_hw struct. | |
362 | * Restarts the link. Performs autonegotiation if needed. | |
363 | **/ | |
8620a103 MC |
364 | s32 ixgbe_start_mac_link_82599(struct ixgbe_hw *hw, |
365 | bool autoneg_wait_to_complete) | |
11afc1b1 PW |
366 | { |
367 | u32 autoc_reg; | |
368 | u32 links_reg; | |
369 | u32 i; | |
370 | s32 status = 0; | |
371 | ||
372 | /* Restart link */ | |
373 | autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC); | |
374 | autoc_reg |= IXGBE_AUTOC_AN_RESTART; | |
375 | IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc_reg); | |
376 | ||
377 | /* Only poll for autoneg to complete if specified to do so */ | |
8620a103 | 378 | if (autoneg_wait_to_complete) { |
11afc1b1 PW |
379 | if ((autoc_reg & IXGBE_AUTOC_LMS_MASK) == |
380 | IXGBE_AUTOC_LMS_KX4_KX_KR || | |
381 | (autoc_reg & IXGBE_AUTOC_LMS_MASK) == | |
382 | IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN || | |
383 | (autoc_reg & IXGBE_AUTOC_LMS_MASK) == | |
384 | IXGBE_AUTOC_LMS_KX4_KX_KR_SGMII) { | |
385 | links_reg = 0; /* Just in case Autoneg time = 0 */ | |
386 | for (i = 0; i < IXGBE_AUTO_NEG_TIME; i++) { | |
387 | links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS); | |
388 | if (links_reg & IXGBE_LINKS_KX_AN_COMP) | |
389 | break; | |
390 | msleep(100); | |
391 | } | |
392 | if (!(links_reg & IXGBE_LINKS_KX_AN_COMP)) { | |
393 | status = IXGBE_ERR_AUTONEG_NOT_COMPLETE; | |
394 | hw_dbg(hw, "Autoneg did not complete.\n"); | |
395 | } | |
396 | } | |
397 | } | |
398 | ||
11afc1b1 PW |
399 | /* Add delay to filter out noises during initial link setup */ |
400 | msleep(50); | |
401 | ||
402 | return status; | |
403 | } | |
404 | ||
61fac744 PW |
405 | /** |
406 | * ixgbe_disable_tx_laser_multispeed_fiber - Disable Tx laser | |
407 | * @hw: pointer to hardware structure | |
408 | * | |
409 | * The base drivers may require better control over SFP+ module | |
410 | * PHY states. This includes selectively shutting down the Tx | |
411 | * laser on the PHY, effectively halting physical link. | |
412 | **/ | |
413 | void ixgbe_disable_tx_laser_multispeed_fiber(struct ixgbe_hw *hw) | |
414 | { | |
415 | u32 esdp_reg = IXGBE_READ_REG(hw, IXGBE_ESDP); | |
416 | ||
417 | /* Disable tx laser; allow 100us to go dark per spec */ | |
418 | esdp_reg |= IXGBE_ESDP_SDP3; | |
419 | IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg); | |
420 | IXGBE_WRITE_FLUSH(hw); | |
421 | udelay(100); | |
422 | } | |
423 | ||
424 | /** | |
425 | * ixgbe_enable_tx_laser_multispeed_fiber - Enable Tx laser | |
426 | * @hw: pointer to hardware structure | |
427 | * | |
428 | * The base drivers may require better control over SFP+ module | |
429 | * PHY states. This includes selectively turning on the Tx | |
430 | * laser on the PHY, effectively starting physical link. | |
431 | **/ | |
432 | void ixgbe_enable_tx_laser_multispeed_fiber(struct ixgbe_hw *hw) | |
433 | { | |
434 | u32 esdp_reg = IXGBE_READ_REG(hw, IXGBE_ESDP); | |
435 | ||
436 | /* Enable tx laser; allow 100ms to light up */ | |
437 | esdp_reg &= ~IXGBE_ESDP_SDP3; | |
438 | IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg); | |
439 | IXGBE_WRITE_FLUSH(hw); | |
440 | msleep(100); | |
441 | } | |
442 | ||
1097cd17 MC |
443 | /** |
444 | * ixgbe_flap_tx_laser_multispeed_fiber - Flap Tx laser | |
445 | * @hw: pointer to hardware structure | |
446 | * | |
447 | * When the driver changes the link speeds that it can support, | |
448 | * it sets autotry_restart to true to indicate that we need to | |
449 | * initiate a new autotry session with the link partner. To do | |
450 | * so, we set the speed then disable and re-enable the tx laser, to | |
451 | * alert the link partner that it also needs to restart autotry on its | |
452 | * end. This is consistent with true clause 37 autoneg, which also | |
453 | * involves a loss of signal. | |
454 | **/ | |
455 | void ixgbe_flap_tx_laser_multispeed_fiber(struct ixgbe_hw *hw) | |
456 | { | |
1097cd17 MC |
457 | hw_dbg(hw, "ixgbe_flap_tx_laser_multispeed_fiber\n"); |
458 | ||
459 | if (hw->mac.autotry_restart) { | |
61fac744 PW |
460 | ixgbe_disable_tx_laser_multispeed_fiber(hw); |
461 | ixgbe_enable_tx_laser_multispeed_fiber(hw); | |
1097cd17 MC |
462 | hw->mac.autotry_restart = false; |
463 | } | |
464 | } | |
465 | ||
11afc1b1 | 466 | /** |
8620a103 | 467 | * ixgbe_setup_mac_link_multispeed_fiber - Set MAC link speed |
11afc1b1 PW |
468 | * @hw: pointer to hardware structure |
469 | * @speed: new link speed | |
470 | * @autoneg: true if autonegotiation enabled | |
471 | * @autoneg_wait_to_complete: true when waiting for completion is needed | |
472 | * | |
473 | * Set the link speed in the AUTOC register and restarts link. | |
474 | **/ | |
8620a103 MC |
475 | s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw, |
476 | ixgbe_link_speed speed, | |
477 | bool autoneg, | |
478 | bool autoneg_wait_to_complete) | |
11afc1b1 PW |
479 | { |
480 | s32 status = 0; | |
481 | ixgbe_link_speed phy_link_speed; | |
482 | ixgbe_link_speed highest_link_speed = IXGBE_LINK_SPEED_UNKNOWN; | |
483 | u32 speedcnt = 0; | |
484 | u32 esdp_reg = IXGBE_READ_REG(hw, IXGBE_ESDP); | |
485 | bool link_up = false; | |
486 | bool negotiation; | |
50ac58ba | 487 | int i; |
11afc1b1 PW |
488 | |
489 | /* Mask off requested but non-supported speeds */ | |
490 | hw->mac.ops.get_link_capabilities(hw, &phy_link_speed, &negotiation); | |
491 | speed &= phy_link_speed; | |
492 | ||
493 | /* | |
494 | * Try each speed one by one, highest priority first. We do this in | |
495 | * software because 10gb fiber doesn't support speed autonegotiation. | |
496 | */ | |
497 | if (speed & IXGBE_LINK_SPEED_10GB_FULL) { | |
498 | speedcnt++; | |
499 | highest_link_speed = IXGBE_LINK_SPEED_10GB_FULL; | |
500 | ||
50ac58ba PWJ |
501 | /* If we already have link at this speed, just jump out */ |
502 | hw->mac.ops.check_link(hw, &phy_link_speed, &link_up, false); | |
503 | ||
504 | if ((phy_link_speed == IXGBE_LINK_SPEED_10GB_FULL) && link_up) | |
505 | goto out; | |
506 | ||
507 | /* Set the module link speed */ | |
11afc1b1 PW |
508 | esdp_reg |= (IXGBE_ESDP_SDP5_DIR | IXGBE_ESDP_SDP5); |
509 | IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg); | |
1097cd17 | 510 | IXGBE_WRITE_FLUSH(hw); |
11afc1b1 | 511 | |
50ac58ba PWJ |
512 | /* Allow module to change analog characteristics (1G->10G) */ |
513 | msleep(40); | |
11afc1b1 | 514 | |
8620a103 MC |
515 | status = ixgbe_setup_mac_link_82599(hw, |
516 | IXGBE_LINK_SPEED_10GB_FULL, | |
517 | autoneg, | |
518 | autoneg_wait_to_complete); | |
50ac58ba | 519 | if (status != 0) |
c3c74327 | 520 | return status; |
50ac58ba PWJ |
521 | |
522 | /* Flap the tx laser if it has not already been done */ | |
1097cd17 | 523 | hw->mac.ops.flap_tx_laser(hw); |
50ac58ba | 524 | |
cd7e1f0b DS |
525 | /* |
526 | * Wait for the controller to acquire link. Per IEEE 802.3ap, | |
527 | * Section 73.10.2, we may have to wait up to 500ms if KR is | |
528 | * attempted. 82599 uses the same timing for 10g SFI. | |
529 | */ | |
530 | ||
50ac58ba PWJ |
531 | for (i = 0; i < 5; i++) { |
532 | /* Wait for the link partner to also set speed */ | |
533 | msleep(100); | |
534 | ||
535 | /* If we have link, just jump out */ | |
536 | hw->mac.ops.check_link(hw, &phy_link_speed, | |
537 | &link_up, false); | |
538 | if (link_up) | |
539 | goto out; | |
540 | } | |
11afc1b1 PW |
541 | } |
542 | ||
543 | if (speed & IXGBE_LINK_SPEED_1GB_FULL) { | |
544 | speedcnt++; | |
545 | if (highest_link_speed == IXGBE_LINK_SPEED_UNKNOWN) | |
546 | highest_link_speed = IXGBE_LINK_SPEED_1GB_FULL; | |
547 | ||
50ac58ba PWJ |
548 | /* If we already have link at this speed, just jump out */ |
549 | hw->mac.ops.check_link(hw, &phy_link_speed, &link_up, false); | |
550 | ||
551 | if ((phy_link_speed == IXGBE_LINK_SPEED_1GB_FULL) && link_up) | |
552 | goto out; | |
553 | ||
554 | /* Set the module link speed */ | |
11afc1b1 PW |
555 | esdp_reg &= ~IXGBE_ESDP_SDP5; |
556 | esdp_reg |= IXGBE_ESDP_SDP5_DIR; | |
557 | IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg); | |
1097cd17 | 558 | IXGBE_WRITE_FLUSH(hw); |
11afc1b1 | 559 | |
50ac58ba PWJ |
560 | /* Allow module to change analog characteristics (10G->1G) */ |
561 | msleep(40); | |
11afc1b1 | 562 | |
8620a103 | 563 | status = ixgbe_setup_mac_link_82599(hw, |
50ac58ba PWJ |
564 | IXGBE_LINK_SPEED_1GB_FULL, |
565 | autoneg, | |
566 | autoneg_wait_to_complete); | |
567 | if (status != 0) | |
c3c74327 | 568 | return status; |
50ac58ba PWJ |
569 | |
570 | /* Flap the tx laser if it has not already been done */ | |
1097cd17 | 571 | hw->mac.ops.flap_tx_laser(hw); |
50ac58ba PWJ |
572 | |
573 | /* Wait for the link partner to also set speed */ | |
574 | msleep(100); | |
11afc1b1 PW |
575 | |
576 | /* If we have link, just jump out */ | |
577 | hw->mac.ops.check_link(hw, &phy_link_speed, &link_up, false); | |
578 | if (link_up) | |
579 | goto out; | |
580 | } | |
581 | ||
582 | /* | |
583 | * We didn't get link. Configure back to the highest speed we tried, | |
584 | * (if there was more than one). We call ourselves back with just the | |
585 | * single highest speed that the user requested. | |
586 | */ | |
587 | if (speedcnt > 1) | |
8620a103 MC |
588 | status = ixgbe_setup_mac_link_multispeed_fiber(hw, |
589 | highest_link_speed, | |
590 | autoneg, | |
591 | autoneg_wait_to_complete); | |
11afc1b1 PW |
592 | |
593 | out: | |
c3c74327 MC |
594 | /* Set autoneg_advertised value based on input link speed */ |
595 | hw->phy.autoneg_advertised = 0; | |
596 | ||
597 | if (speed & IXGBE_LINK_SPEED_10GB_FULL) | |
598 | hw->phy.autoneg_advertised |= IXGBE_LINK_SPEED_10GB_FULL; | |
599 | ||
600 | if (speed & IXGBE_LINK_SPEED_1GB_FULL) | |
601 | hw->phy.autoneg_advertised |= IXGBE_LINK_SPEED_1GB_FULL; | |
602 | ||
11afc1b1 PW |
603 | return status; |
604 | } | |
605 | ||
cd7e1f0b DS |
606 | /** |
607 | * ixgbe_setup_mac_link_smartspeed - Set MAC link speed using SmartSpeed | |
608 | * @hw: pointer to hardware structure | |
609 | * @speed: new link speed | |
610 | * @autoneg: true if autonegotiation enabled | |
611 | * @autoneg_wait_to_complete: true when waiting for completion is needed | |
612 | * | |
613 | * Implements the Intel SmartSpeed algorithm. | |
614 | **/ | |
615 | static s32 ixgbe_setup_mac_link_smartspeed(struct ixgbe_hw *hw, | |
616 | ixgbe_link_speed speed, bool autoneg, | |
617 | bool autoneg_wait_to_complete) | |
618 | { | |
619 | s32 status = 0; | |
620 | ixgbe_link_speed link_speed; | |
621 | s32 i, j; | |
622 | bool link_up = false; | |
623 | u32 autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC); | |
c4ee6a53 | 624 | struct ixgbe_adapter *adapter = hw->back; |
cd7e1f0b DS |
625 | |
626 | hw_dbg(hw, "ixgbe_setup_mac_link_smartspeed.\n"); | |
627 | ||
628 | /* Set autoneg_advertised value based on input link speed */ | |
629 | hw->phy.autoneg_advertised = 0; | |
630 | ||
631 | if (speed & IXGBE_LINK_SPEED_10GB_FULL) | |
632 | hw->phy.autoneg_advertised |= IXGBE_LINK_SPEED_10GB_FULL; | |
633 | ||
634 | if (speed & IXGBE_LINK_SPEED_1GB_FULL) | |
635 | hw->phy.autoneg_advertised |= IXGBE_LINK_SPEED_1GB_FULL; | |
636 | ||
637 | if (speed & IXGBE_LINK_SPEED_100_FULL) | |
638 | hw->phy.autoneg_advertised |= IXGBE_LINK_SPEED_100_FULL; | |
639 | ||
640 | /* | |
641 | * Implement Intel SmartSpeed algorithm. SmartSpeed will reduce the | |
642 | * autoneg advertisement if link is unable to be established at the | |
643 | * highest negotiated rate. This can sometimes happen due to integrity | |
644 | * issues with the physical media connection. | |
645 | */ | |
646 | ||
647 | /* First, try to get link with full advertisement */ | |
648 | hw->phy.smart_speed_active = false; | |
649 | for (j = 0; j < IXGBE_SMARTSPEED_MAX_RETRIES; j++) { | |
650 | status = ixgbe_setup_mac_link_82599(hw, speed, autoneg, | |
651 | autoneg_wait_to_complete); | |
652 | if (status) | |
653 | goto out; | |
654 | ||
655 | /* | |
656 | * Wait for the controller to acquire link. Per IEEE 802.3ap, | |
657 | * Section 73.10.2, we may have to wait up to 500ms if KR is | |
658 | * attempted, or 200ms if KX/KX4/BX/BX4 is attempted, per | |
659 | * Table 9 in the AN MAS. | |
660 | */ | |
661 | for (i = 0; i < 5; i++) { | |
662 | mdelay(100); | |
663 | ||
664 | /* If we have link, just jump out */ | |
665 | hw->mac.ops.check_link(hw, &link_speed, | |
666 | &link_up, false); | |
667 | if (link_up) | |
668 | goto out; | |
669 | } | |
670 | } | |
671 | ||
672 | /* | |
673 | * We didn't get link. If we advertised KR plus one of KX4/KX | |
674 | * (or BX4/BX), then disable KR and try again. | |
675 | */ | |
676 | if (((autoc_reg & IXGBE_AUTOC_KR_SUPP) == 0) || | |
677 | ((autoc_reg & IXGBE_AUTOC_KX4_KX_SUPP_MASK) == 0)) | |
678 | goto out; | |
679 | ||
680 | /* Turn SmartSpeed on to disable KR support */ | |
681 | hw->phy.smart_speed_active = true; | |
682 | status = ixgbe_setup_mac_link_82599(hw, speed, autoneg, | |
683 | autoneg_wait_to_complete); | |
684 | if (status) | |
685 | goto out; | |
686 | ||
687 | /* | |
688 | * Wait for the controller to acquire link. 600ms will allow for | |
689 | * the AN link_fail_inhibit_timer as well for multiple cycles of | |
690 | * parallel detect, both 10g and 1g. This allows for the maximum | |
691 | * connect attempts as defined in the AN MAS table 73-7. | |
692 | */ | |
693 | for (i = 0; i < 6; i++) { | |
694 | mdelay(100); | |
695 | ||
696 | /* If we have link, just jump out */ | |
697 | hw->mac.ops.check_link(hw, &link_speed, | |
698 | &link_up, false); | |
699 | if (link_up) | |
700 | goto out; | |
701 | } | |
702 | ||
703 | /* We didn't get link. Turn SmartSpeed back off. */ | |
704 | hw->phy.smart_speed_active = false; | |
705 | status = ixgbe_setup_mac_link_82599(hw, speed, autoneg, | |
706 | autoneg_wait_to_complete); | |
707 | ||
708 | out: | |
c4ee6a53 AS |
709 | if (link_up && (link_speed == IXGBE_LINK_SPEED_1GB_FULL)) |
710 | netif_info(adapter, hw, adapter->netdev, "Smartspeed has" | |
711 | " downgraded the link speed from the maximum" | |
712 | " advertised\n"); | |
cd7e1f0b DS |
713 | return status; |
714 | } | |
715 | ||
11afc1b1 | 716 | /** |
8620a103 | 717 | * ixgbe_setup_mac_link_82599 - Set MAC link speed |
11afc1b1 PW |
718 | * @hw: pointer to hardware structure |
719 | * @speed: new link speed | |
720 | * @autoneg: true if autonegotiation enabled | |
721 | * @autoneg_wait_to_complete: true when waiting for completion is needed | |
722 | * | |
723 | * Set the link speed in the AUTOC register and restarts link. | |
724 | **/ | |
8620a103 MC |
725 | s32 ixgbe_setup_mac_link_82599(struct ixgbe_hw *hw, |
726 | ixgbe_link_speed speed, bool autoneg, | |
727 | bool autoneg_wait_to_complete) | |
11afc1b1 PW |
728 | { |
729 | s32 status = 0; | |
730 | u32 autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC); | |
731 | u32 autoc2 = IXGBE_READ_REG(hw, IXGBE_AUTOC2); | |
50ac58ba | 732 | u32 start_autoc = autoc; |
1eb99d5a | 733 | u32 orig_autoc = 0; |
11afc1b1 PW |
734 | u32 link_mode = autoc & IXGBE_AUTOC_LMS_MASK; |
735 | u32 pma_pmd_1g = autoc & IXGBE_AUTOC_1G_PMA_PMD_MASK; | |
736 | u32 pma_pmd_10g_serial = autoc2 & IXGBE_AUTOC2_10G_SERIAL_PMA_PMD_MASK; | |
737 | u32 links_reg; | |
738 | u32 i; | |
739 | ixgbe_link_speed link_capabilities = IXGBE_LINK_SPEED_UNKNOWN; | |
740 | ||
741 | /* Check to see if speed passed in is supported. */ | |
742 | hw->mac.ops.get_link_capabilities(hw, &link_capabilities, &autoneg); | |
743 | speed &= link_capabilities; | |
744 | ||
50ac58ba PWJ |
745 | if (speed == IXGBE_LINK_SPEED_UNKNOWN) { |
746 | status = IXGBE_ERR_LINK_SETUP; | |
747 | goto out; | |
748 | } | |
749 | ||
1eb99d5a PW |
750 | /* Use stored value (EEPROM defaults) of AUTOC to find KR/KX4 support*/ |
751 | if (hw->mac.orig_link_settings_stored) | |
752 | orig_autoc = hw->mac.orig_autoc; | |
753 | else | |
754 | orig_autoc = autoc; | |
755 | ||
756 | ||
50ac58ba PWJ |
757 | if (link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR || |
758 | link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN || | |
759 | link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR_SGMII) { | |
11afc1b1 PW |
760 | /* Set KX4/KX/KR support according to speed requested */ |
761 | autoc &= ~(IXGBE_AUTOC_KX4_KX_SUPP_MASK | IXGBE_AUTOC_KR_SUPP); | |
762 | if (speed & IXGBE_LINK_SPEED_10GB_FULL) | |
1eb99d5a | 763 | if (orig_autoc & IXGBE_AUTOC_KX4_SUPP) |
11afc1b1 | 764 | autoc |= IXGBE_AUTOC_KX4_SUPP; |
cd7e1f0b DS |
765 | if ((orig_autoc & IXGBE_AUTOC_KR_SUPP) && |
766 | (hw->phy.smart_speed_active == false)) | |
11afc1b1 PW |
767 | autoc |= IXGBE_AUTOC_KR_SUPP; |
768 | if (speed & IXGBE_LINK_SPEED_1GB_FULL) | |
769 | autoc |= IXGBE_AUTOC_KX_SUPP; | |
770 | } else if ((pma_pmd_1g == IXGBE_AUTOC_1G_SFI) && | |
771 | (link_mode == IXGBE_AUTOC_LMS_1G_LINK_NO_AN || | |
772 | link_mode == IXGBE_AUTOC_LMS_1G_AN)) { | |
773 | /* Switch from 1G SFI to 10G SFI if requested */ | |
774 | if ((speed == IXGBE_LINK_SPEED_10GB_FULL) && | |
775 | (pma_pmd_10g_serial == IXGBE_AUTOC2_10G_SFI)) { | |
776 | autoc &= ~IXGBE_AUTOC_LMS_MASK; | |
777 | autoc |= IXGBE_AUTOC_LMS_10G_SERIAL; | |
778 | } | |
779 | } else if ((pma_pmd_10g_serial == IXGBE_AUTOC2_10G_SFI) && | |
780 | (link_mode == IXGBE_AUTOC_LMS_10G_SERIAL)) { | |
781 | /* Switch from 10G SFI to 1G SFI if requested */ | |
782 | if ((speed == IXGBE_LINK_SPEED_1GB_FULL) && | |
783 | (pma_pmd_1g == IXGBE_AUTOC_1G_SFI)) { | |
784 | autoc &= ~IXGBE_AUTOC_LMS_MASK; | |
785 | if (autoneg) | |
786 | autoc |= IXGBE_AUTOC_LMS_1G_AN; | |
787 | else | |
788 | autoc |= IXGBE_AUTOC_LMS_1G_LINK_NO_AN; | |
789 | } | |
790 | } | |
791 | ||
50ac58ba | 792 | if (autoc != start_autoc) { |
11afc1b1 PW |
793 | /* Restart link */ |
794 | autoc |= IXGBE_AUTOC_AN_RESTART; | |
795 | IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc); | |
796 | ||
797 | /* Only poll for autoneg to complete if specified to do so */ | |
798 | if (autoneg_wait_to_complete) { | |
799 | if (link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR || | |
800 | link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN || | |
801 | link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR_SGMII) { | |
802 | links_reg = 0; /*Just in case Autoneg time=0*/ | |
803 | for (i = 0; i < IXGBE_AUTO_NEG_TIME; i++) { | |
804 | links_reg = | |
805 | IXGBE_READ_REG(hw, IXGBE_LINKS); | |
806 | if (links_reg & IXGBE_LINKS_KX_AN_COMP) | |
807 | break; | |
808 | msleep(100); | |
809 | } | |
810 | if (!(links_reg & IXGBE_LINKS_KX_AN_COMP)) { | |
811 | status = | |
812 | IXGBE_ERR_AUTONEG_NOT_COMPLETE; | |
813 | hw_dbg(hw, "Autoneg did not " | |
814 | "complete.\n"); | |
815 | } | |
816 | } | |
817 | } | |
818 | ||
11afc1b1 PW |
819 | /* Add delay to filter out noises during initial link setup */ |
820 | msleep(50); | |
821 | } | |
822 | ||
50ac58ba | 823 | out: |
11afc1b1 PW |
824 | return status; |
825 | } | |
826 | ||
827 | /** | |
8620a103 | 828 | * ixgbe_setup_copper_link_82599 - Set the PHY autoneg advertised field |
11afc1b1 PW |
829 | * @hw: pointer to hardware structure |
830 | * @speed: new link speed | |
831 | * @autoneg: true if autonegotiation enabled | |
832 | * @autoneg_wait_to_complete: true if waiting is needed to complete | |
833 | * | |
834 | * Restarts link on PHY and MAC based on settings passed in. | |
835 | **/ | |
8620a103 MC |
836 | static s32 ixgbe_setup_copper_link_82599(struct ixgbe_hw *hw, |
837 | ixgbe_link_speed speed, | |
838 | bool autoneg, | |
839 | bool autoneg_wait_to_complete) | |
11afc1b1 PW |
840 | { |
841 | s32 status; | |
842 | ||
843 | /* Setup the PHY according to input speed */ | |
844 | status = hw->phy.ops.setup_link_speed(hw, speed, autoneg, | |
845 | autoneg_wait_to_complete); | |
846 | /* Set up MAC */ | |
8620a103 | 847 | ixgbe_start_mac_link_82599(hw, autoneg_wait_to_complete); |
11afc1b1 PW |
848 | |
849 | return status; | |
850 | } | |
851 | ||
852 | /** | |
853 | * ixgbe_reset_hw_82599 - Perform hardware reset | |
854 | * @hw: pointer to hardware structure | |
855 | * | |
856 | * Resets the hardware by resetting the transmit and receive units, masks | |
857 | * and clears all interrupts, perform a PHY reset, and perform a link (MAC) | |
858 | * reset. | |
859 | **/ | |
7b25cdba | 860 | static s32 ixgbe_reset_hw_82599(struct ixgbe_hw *hw) |
11afc1b1 PW |
861 | { |
862 | s32 status = 0; | |
c9205697 | 863 | u32 ctrl; |
11afc1b1 PW |
864 | u32 i; |
865 | u32 autoc; | |
866 | u32 autoc2; | |
867 | ||
868 | /* Call adapter stop to disable tx/rx and clear interrupts */ | |
869 | hw->mac.ops.stop_adapter(hw); | |
870 | ||
553b4497 | 871 | /* PHY ops must be identified and initialized prior to reset */ |
04f165ef | 872 | |
553b4497 PW |
873 | /* Init PHY and function pointers, perform SFP setup */ |
874 | status = hw->phy.ops.init(hw); | |
04f165ef | 875 | |
553b4497 PW |
876 | if (status == IXGBE_ERR_SFP_NOT_SUPPORTED) |
877 | goto reset_hw_out; | |
04f165ef | 878 | |
553b4497 PW |
879 | /* Setup SFP module if there is one present. */ |
880 | if (hw->phy.sfp_setup_needed) { | |
881 | status = hw->mac.ops.setup_sfp(hw); | |
882 | hw->phy.sfp_setup_needed = false; | |
04f165ef | 883 | } |
11afc1b1 | 884 | |
553b4497 PW |
885 | /* Reset PHY */ |
886 | if (hw->phy.reset_disable == false && hw->phy.ops.reset != NULL) | |
887 | hw->phy.ops.reset(hw); | |
888 | ||
11afc1b1 PW |
889 | /* |
890 | * Prevent the PCI-E bus from from hanging by disabling PCI-E master | |
891 | * access and verify no pending requests before reset | |
892 | */ | |
04f165ef PW |
893 | status = ixgbe_disable_pcie_master(hw); |
894 | if (status != 0) { | |
11afc1b1 PW |
895 | status = IXGBE_ERR_MASTER_REQUESTS_PENDING; |
896 | hw_dbg(hw, "PCI-E Master disable polling has failed.\n"); | |
897 | } | |
898 | ||
899 | /* | |
900 | * Issue global reset to the MAC. This needs to be a SW reset. | |
901 | * If link reset is used, it might reset the MAC when mng is using it | |
902 | */ | |
903 | ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL); | |
904 | IXGBE_WRITE_REG(hw, IXGBE_CTRL, (ctrl | IXGBE_CTRL_RST)); | |
905 | IXGBE_WRITE_FLUSH(hw); | |
906 | ||
907 | /* Poll for reset bit to self-clear indicating reset is complete */ | |
908 | for (i = 0; i < 10; i++) { | |
909 | udelay(1); | |
910 | ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL); | |
911 | if (!(ctrl & IXGBE_CTRL_RST)) | |
912 | break; | |
913 | } | |
914 | if (ctrl & IXGBE_CTRL_RST) { | |
915 | status = IXGBE_ERR_RESET_FAILED; | |
916 | hw_dbg(hw, "Reset polling failed to complete.\n"); | |
917 | } | |
11afc1b1 PW |
918 | |
919 | msleep(50); | |
920 | ||
11afc1b1 PW |
921 | /* |
922 | * Store the original AUTOC/AUTOC2 values if they have not been | |
923 | * stored off yet. Otherwise restore the stored original | |
924 | * values since the reset operation sets back to defaults. | |
925 | */ | |
926 | autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC); | |
927 | autoc2 = IXGBE_READ_REG(hw, IXGBE_AUTOC2); | |
928 | if (hw->mac.orig_link_settings_stored == false) { | |
929 | hw->mac.orig_autoc = autoc; | |
930 | hw->mac.orig_autoc2 = autoc2; | |
931 | hw->mac.orig_link_settings_stored = true; | |
4df10466 | 932 | } else { |
11afc1b1 PW |
933 | if (autoc != hw->mac.orig_autoc) |
934 | IXGBE_WRITE_REG(hw, IXGBE_AUTOC, (hw->mac.orig_autoc | | |
935 | IXGBE_AUTOC_AN_RESTART)); | |
936 | ||
937 | if ((autoc2 & IXGBE_AUTOC2_UPPER_MASK) != | |
938 | (hw->mac.orig_autoc2 & IXGBE_AUTOC2_UPPER_MASK)) { | |
939 | autoc2 &= ~IXGBE_AUTOC2_UPPER_MASK; | |
940 | autoc2 |= (hw->mac.orig_autoc2 & | |
941 | IXGBE_AUTOC2_UPPER_MASK); | |
942 | IXGBE_WRITE_REG(hw, IXGBE_AUTOC2, autoc2); | |
943 | } | |
944 | } | |
945 | ||
aca6bee7 WJP |
946 | /* |
947 | * Store MAC address from RAR0, clear receive address registers, and | |
948 | * clear the multicast table. Also reset num_rar_entries to 128, | |
949 | * since we modify this value when programming the SAN MAC address. | |
950 | */ | |
951 | hw->mac.num_rar_entries = 128; | |
952 | hw->mac.ops.init_rx_addrs(hw); | |
953 | ||
11afc1b1 PW |
954 | /* Store the permanent mac address */ |
955 | hw->mac.ops.get_mac_addr(hw, hw->mac.perm_addr); | |
956 | ||
0365e6e4 PW |
957 | /* Store the permanent SAN mac address */ |
958 | hw->mac.ops.get_san_mac_addr(hw, hw->mac.san_addr); | |
959 | ||
aca6bee7 WJP |
960 | /* Add the SAN MAC address to the RAR only if it's a valid address */ |
961 | if (ixgbe_validate_mac_addr(hw->mac.san_addr) == 0) { | |
962 | hw->mac.ops.set_rar(hw, hw->mac.num_rar_entries - 1, | |
963 | hw->mac.san_addr, 0, IXGBE_RAH_AV); | |
964 | ||
965 | /* Reserve the last RAR for the SAN MAC address */ | |
966 | hw->mac.num_rar_entries--; | |
967 | } | |
968 | ||
383ff34b YZ |
969 | /* Store the alternative WWNN/WWPN prefix */ |
970 | hw->mac.ops.get_wwn_prefix(hw, &hw->mac.wwnn_prefix, | |
971 | &hw->mac.wwpn_prefix); | |
972 | ||
04f165ef | 973 | reset_hw_out: |
11afc1b1 PW |
974 | return status; |
975 | } | |
976 | ||
ffff4772 PWJ |
977 | /** |
978 | * ixgbe_reinit_fdir_tables_82599 - Reinitialize Flow Director tables. | |
979 | * @hw: pointer to hardware structure | |
980 | **/ | |
981 | s32 ixgbe_reinit_fdir_tables_82599(struct ixgbe_hw *hw) | |
982 | { | |
983 | int i; | |
984 | u32 fdirctrl = IXGBE_READ_REG(hw, IXGBE_FDIRCTRL); | |
985 | fdirctrl &= ~IXGBE_FDIRCTRL_INIT_DONE; | |
986 | ||
987 | /* | |
988 | * Before starting reinitialization process, | |
989 | * FDIRCMD.CMD must be zero. | |
990 | */ | |
991 | for (i = 0; i < IXGBE_FDIRCMD_CMD_POLL; i++) { | |
992 | if (!(IXGBE_READ_REG(hw, IXGBE_FDIRCMD) & | |
993 | IXGBE_FDIRCMD_CMD_MASK)) | |
994 | break; | |
995 | udelay(10); | |
996 | } | |
997 | if (i >= IXGBE_FDIRCMD_CMD_POLL) { | |
998 | hw_dbg(hw ,"Flow Director previous command isn't complete, " | |
d6dbee86 | 999 | "aborting table re-initialization.\n"); |
ffff4772 PWJ |
1000 | return IXGBE_ERR_FDIR_REINIT_FAILED; |
1001 | } | |
1002 | ||
1003 | IXGBE_WRITE_REG(hw, IXGBE_FDIRFREE, 0); | |
1004 | IXGBE_WRITE_FLUSH(hw); | |
1005 | /* | |
1006 | * 82599 adapters flow director init flow cannot be restarted, | |
1007 | * Workaround 82599 silicon errata by performing the following steps | |
1008 | * before re-writing the FDIRCTRL control register with the same value. | |
1009 | * - write 1 to bit 8 of FDIRCMD register & | |
1010 | * - write 0 to bit 8 of FDIRCMD register | |
1011 | */ | |
1012 | IXGBE_WRITE_REG(hw, IXGBE_FDIRCMD, | |
1013 | (IXGBE_READ_REG(hw, IXGBE_FDIRCMD) | | |
1014 | IXGBE_FDIRCMD_CLEARHT)); | |
1015 | IXGBE_WRITE_FLUSH(hw); | |
1016 | IXGBE_WRITE_REG(hw, IXGBE_FDIRCMD, | |
1017 | (IXGBE_READ_REG(hw, IXGBE_FDIRCMD) & | |
1018 | ~IXGBE_FDIRCMD_CLEARHT)); | |
1019 | IXGBE_WRITE_FLUSH(hw); | |
1020 | /* | |
1021 | * Clear FDIR Hash register to clear any leftover hashes | |
1022 | * waiting to be programmed. | |
1023 | */ | |
1024 | IXGBE_WRITE_REG(hw, IXGBE_FDIRHASH, 0x00); | |
1025 | IXGBE_WRITE_FLUSH(hw); | |
1026 | ||
1027 | IXGBE_WRITE_REG(hw, IXGBE_FDIRCTRL, fdirctrl); | |
1028 | IXGBE_WRITE_FLUSH(hw); | |
1029 | ||
1030 | /* Poll init-done after we write FDIRCTRL register */ | |
1031 | for (i = 0; i < IXGBE_FDIR_INIT_DONE_POLL; i++) { | |
1032 | if (IXGBE_READ_REG(hw, IXGBE_FDIRCTRL) & | |
1033 | IXGBE_FDIRCTRL_INIT_DONE) | |
1034 | break; | |
1035 | udelay(10); | |
1036 | } | |
1037 | if (i >= IXGBE_FDIR_INIT_DONE_POLL) { | |
1038 | hw_dbg(hw, "Flow Director Signature poll time exceeded!\n"); | |
1039 | return IXGBE_ERR_FDIR_REINIT_FAILED; | |
1040 | } | |
1041 | ||
1042 | /* Clear FDIR statistics registers (read to clear) */ | |
1043 | IXGBE_READ_REG(hw, IXGBE_FDIRUSTAT); | |
1044 | IXGBE_READ_REG(hw, IXGBE_FDIRFSTAT); | |
1045 | IXGBE_READ_REG(hw, IXGBE_FDIRMATCH); | |
1046 | IXGBE_READ_REG(hw, IXGBE_FDIRMISS); | |
1047 | IXGBE_READ_REG(hw, IXGBE_FDIRLEN); | |
1048 | ||
1049 | return 0; | |
1050 | } | |
1051 | ||
1052 | /** | |
1053 | * ixgbe_init_fdir_signature_82599 - Initialize Flow Director signature filters | |
1054 | * @hw: pointer to hardware structure | |
1055 | * @pballoc: which mode to allocate filters with | |
1056 | **/ | |
1057 | s32 ixgbe_init_fdir_signature_82599(struct ixgbe_hw *hw, u32 pballoc) | |
1058 | { | |
1059 | u32 fdirctrl = 0; | |
1060 | u32 pbsize; | |
1061 | int i; | |
1062 | ||
1063 | /* | |
1064 | * Before enabling Flow Director, the Rx Packet Buffer size | |
1065 | * must be reduced. The new value is the current size minus | |
1066 | * flow director memory usage size. | |
1067 | */ | |
1068 | pbsize = (1 << (IXGBE_FDIR_PBALLOC_SIZE_SHIFT + pballoc)); | |
1069 | IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(0), | |
1070 | (IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(0)) - pbsize)); | |
1071 | ||
1072 | /* | |
1073 | * The defaults in the HW for RX PB 1-7 are not zero and so should be | |
1074 | * intialized to zero for non DCB mode otherwise actual total RX PB | |
1075 | * would be bigger than programmed and filter space would run into | |
1076 | * the PB 0 region. | |
1077 | */ | |
1078 | for (i = 1; i < 8; i++) | |
1079 | IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), 0); | |
1080 | ||
1081 | /* Send interrupt when 64 filters are left */ | |
1082 | fdirctrl |= 4 << IXGBE_FDIRCTRL_FULL_THRESH_SHIFT; | |
1083 | ||
1084 | /* Set the maximum length per hash bucket to 0xA filters */ | |
1085 | fdirctrl |= 0xA << IXGBE_FDIRCTRL_MAX_LENGTH_SHIFT; | |
1086 | ||
1087 | switch (pballoc) { | |
1088 | case IXGBE_FDIR_PBALLOC_64K: | |
1089 | /* 8k - 1 signature filters */ | |
1090 | fdirctrl |= IXGBE_FDIRCTRL_PBALLOC_64K; | |
1091 | break; | |
1092 | case IXGBE_FDIR_PBALLOC_128K: | |
1093 | /* 16k - 1 signature filters */ | |
1094 | fdirctrl |= IXGBE_FDIRCTRL_PBALLOC_128K; | |
1095 | break; | |
1096 | case IXGBE_FDIR_PBALLOC_256K: | |
1097 | /* 32k - 1 signature filters */ | |
1098 | fdirctrl |= IXGBE_FDIRCTRL_PBALLOC_256K; | |
1099 | break; | |
1100 | default: | |
1101 | /* bad value */ | |
1102 | return IXGBE_ERR_CONFIG; | |
1103 | }; | |
1104 | ||
1105 | /* Move the flexible bytes to use the ethertype - shift 6 words */ | |
1106 | fdirctrl |= (0x6 << IXGBE_FDIRCTRL_FLEX_SHIFT); | |
1107 | ||
1108 | fdirctrl |= IXGBE_FDIRCTRL_REPORT_STATUS; | |
1109 | ||
1110 | /* Prime the keys for hashing */ | |
1111 | IXGBE_WRITE_REG(hw, IXGBE_FDIRHKEY, | |
1112 | htonl(IXGBE_ATR_BUCKET_HASH_KEY)); | |
1113 | IXGBE_WRITE_REG(hw, IXGBE_FDIRSKEY, | |
1114 | htonl(IXGBE_ATR_SIGNATURE_HASH_KEY)); | |
1115 | ||
1116 | /* | |
1117 | * Poll init-done after we write the register. Estimated times: | |
1118 | * 10G: PBALLOC = 11b, timing is 60us | |
1119 | * 1G: PBALLOC = 11b, timing is 600us | |
1120 | * 100M: PBALLOC = 11b, timing is 6ms | |
1121 | * | |
1122 | * Multiple these timings by 4 if under full Rx load | |
1123 | * | |
1124 | * So we'll poll for IXGBE_FDIR_INIT_DONE_POLL times, sleeping for | |
1125 | * 1 msec per poll time. If we're at line rate and drop to 100M, then | |
1126 | * this might not finish in our poll time, but we can live with that | |
1127 | * for now. | |
1128 | */ | |
1129 | IXGBE_WRITE_REG(hw, IXGBE_FDIRCTRL, fdirctrl); | |
1130 | IXGBE_WRITE_FLUSH(hw); | |
1131 | for (i = 0; i < IXGBE_FDIR_INIT_DONE_POLL; i++) { | |
1132 | if (IXGBE_READ_REG(hw, IXGBE_FDIRCTRL) & | |
1133 | IXGBE_FDIRCTRL_INIT_DONE) | |
1134 | break; | |
1135 | msleep(1); | |
1136 | } | |
1137 | if (i >= IXGBE_FDIR_INIT_DONE_POLL) | |
1138 | hw_dbg(hw, "Flow Director Signature poll time exceeded!\n"); | |
1139 | ||
1140 | return 0; | |
1141 | } | |
1142 | ||
1143 | /** | |
1144 | * ixgbe_init_fdir_perfect_82599 - Initialize Flow Director perfect filters | |
1145 | * @hw: pointer to hardware structure | |
1146 | * @pballoc: which mode to allocate filters with | |
1147 | **/ | |
1148 | s32 ixgbe_init_fdir_perfect_82599(struct ixgbe_hw *hw, u32 pballoc) | |
1149 | { | |
1150 | u32 fdirctrl = 0; | |
1151 | u32 pbsize; | |
1152 | int i; | |
1153 | ||
1154 | /* | |
1155 | * Before enabling Flow Director, the Rx Packet Buffer size | |
1156 | * must be reduced. The new value is the current size minus | |
1157 | * flow director memory usage size. | |
1158 | */ | |
1159 | pbsize = (1 << (IXGBE_FDIR_PBALLOC_SIZE_SHIFT + pballoc)); | |
1160 | IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(0), | |
1161 | (IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(0)) - pbsize)); | |
1162 | ||
1163 | /* | |
1164 | * The defaults in the HW for RX PB 1-7 are not zero and so should be | |
1165 | * intialized to zero for non DCB mode otherwise actual total RX PB | |
1166 | * would be bigger than programmed and filter space would run into | |
1167 | * the PB 0 region. | |
1168 | */ | |
1169 | for (i = 1; i < 8; i++) | |
1170 | IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), 0); | |
1171 | ||
1172 | /* Send interrupt when 64 filters are left */ | |
1173 | fdirctrl |= 4 << IXGBE_FDIRCTRL_FULL_THRESH_SHIFT; | |
1174 | ||
9a713e7c PW |
1175 | /* Initialize the drop queue to Rx queue 127 */ |
1176 | fdirctrl |= (127 << IXGBE_FDIRCTRL_DROP_Q_SHIFT); | |
1177 | ||
ffff4772 PWJ |
1178 | switch (pballoc) { |
1179 | case IXGBE_FDIR_PBALLOC_64K: | |
1180 | /* 2k - 1 perfect filters */ | |
1181 | fdirctrl |= IXGBE_FDIRCTRL_PBALLOC_64K; | |
1182 | break; | |
1183 | case IXGBE_FDIR_PBALLOC_128K: | |
1184 | /* 4k - 1 perfect filters */ | |
1185 | fdirctrl |= IXGBE_FDIRCTRL_PBALLOC_128K; | |
1186 | break; | |
1187 | case IXGBE_FDIR_PBALLOC_256K: | |
1188 | /* 8k - 1 perfect filters */ | |
1189 | fdirctrl |= IXGBE_FDIRCTRL_PBALLOC_256K; | |
1190 | break; | |
1191 | default: | |
1192 | /* bad value */ | |
1193 | return IXGBE_ERR_CONFIG; | |
1194 | }; | |
1195 | ||
1196 | /* Turn perfect match filtering on */ | |
1197 | fdirctrl |= IXGBE_FDIRCTRL_PERFECT_MATCH; | |
1198 | fdirctrl |= IXGBE_FDIRCTRL_REPORT_STATUS; | |
1199 | ||
1200 | /* Move the flexible bytes to use the ethertype - shift 6 words */ | |
1201 | fdirctrl |= (0x6 << IXGBE_FDIRCTRL_FLEX_SHIFT); | |
1202 | ||
1203 | /* Prime the keys for hashing */ | |
1204 | IXGBE_WRITE_REG(hw, IXGBE_FDIRHKEY, | |
1205 | htonl(IXGBE_ATR_BUCKET_HASH_KEY)); | |
1206 | IXGBE_WRITE_REG(hw, IXGBE_FDIRSKEY, | |
1207 | htonl(IXGBE_ATR_SIGNATURE_HASH_KEY)); | |
1208 | ||
1209 | /* | |
1210 | * Poll init-done after we write the register. Estimated times: | |
1211 | * 10G: PBALLOC = 11b, timing is 60us | |
1212 | * 1G: PBALLOC = 11b, timing is 600us | |
1213 | * 100M: PBALLOC = 11b, timing is 6ms | |
1214 | * | |
1215 | * Multiple these timings by 4 if under full Rx load | |
1216 | * | |
1217 | * So we'll poll for IXGBE_FDIR_INIT_DONE_POLL times, sleeping for | |
1218 | * 1 msec per poll time. If we're at line rate and drop to 100M, then | |
1219 | * this might not finish in our poll time, but we can live with that | |
1220 | * for now. | |
1221 | */ | |
1222 | ||
1223 | /* Set the maximum length per hash bucket to 0xA filters */ | |
1224 | fdirctrl |= (0xA << IXGBE_FDIRCTRL_MAX_LENGTH_SHIFT); | |
1225 | ||
1226 | IXGBE_WRITE_REG(hw, IXGBE_FDIRCTRL, fdirctrl); | |
1227 | IXGBE_WRITE_FLUSH(hw); | |
1228 | for (i = 0; i < IXGBE_FDIR_INIT_DONE_POLL; i++) { | |
1229 | if (IXGBE_READ_REG(hw, IXGBE_FDIRCTRL) & | |
1230 | IXGBE_FDIRCTRL_INIT_DONE) | |
1231 | break; | |
1232 | msleep(1); | |
1233 | } | |
1234 | if (i >= IXGBE_FDIR_INIT_DONE_POLL) | |
1235 | hw_dbg(hw, "Flow Director Perfect poll time exceeded!\n"); | |
1236 | ||
1237 | return 0; | |
1238 | } | |
1239 | ||
1240 | ||
1241 | /** | |
1242 | * ixgbe_atr_compute_hash_82599 - Compute the hashes for SW ATR | |
1243 | * @stream: input bitstream to compute the hash on | |
1244 | * @key: 32-bit hash key | |
1245 | **/ | |
7b25cdba DS |
1246 | static u16 ixgbe_atr_compute_hash_82599(struct ixgbe_atr_input *atr_input, |
1247 | u32 key) | |
ffff4772 PWJ |
1248 | { |
1249 | /* | |
1250 | * The algorithm is as follows: | |
1251 | * Hash[15:0] = Sum { S[n] x K[n+16] }, n = 0...350 | |
1252 | * where Sum {A[n]}, n = 0...n is bitwise XOR of A[0], A[1]...A[n] | |
1253 | * and A[n] x B[n] is bitwise AND between same length strings | |
1254 | * | |
1255 | * K[n] is 16 bits, defined as: | |
1256 | * for n modulo 32 >= 15, K[n] = K[n % 32 : (n % 32) - 15] | |
1257 | * for n modulo 32 < 15, K[n] = | |
1258 | * K[(n % 32:0) | (31:31 - (14 - (n % 32)))] | |
1259 | * | |
1260 | * S[n] is 16 bits, defined as: | |
1261 | * for n >= 15, S[n] = S[n:n - 15] | |
1262 | * for n < 15, S[n] = S[(n:0) | (350:350 - (14 - n))] | |
1263 | * | |
1264 | * To simplify for programming, the algorithm is implemented | |
1265 | * in software this way: | |
1266 | * | |
1267 | * Key[31:0], Stream[335:0] | |
1268 | * | |
1269 | * tmp_key[11 * 32 - 1:0] = 11{Key[31:0] = key concatenated 11 times | |
1270 | * int_key[350:0] = tmp_key[351:1] | |
1271 | * int_stream[365:0] = Stream[14:0] | Stream[335:0] | Stream[335:321] | |
1272 | * | |
1273 | * hash[15:0] = 0; | |
1274 | * for (i = 0; i < 351; i++) { | |
1275 | * if (int_key[i]) | |
1276 | * hash ^= int_stream[(i + 15):i]; | |
1277 | * } | |
1278 | */ | |
1279 | ||
1280 | union { | |
1281 | u64 fill[6]; | |
1282 | u32 key[11]; | |
1283 | u8 key_stream[44]; | |
1284 | } tmp_key; | |
1285 | ||
1286 | u8 *stream = (u8 *)atr_input; | |
1287 | u8 int_key[44]; /* upper-most bit unused */ | |
1288 | u8 hash_str[46]; /* upper-most 2 bits unused */ | |
1289 | u16 hash_result = 0; | |
1290 | int i, j, k, h; | |
1291 | ||
1292 | /* | |
1293 | * Initialize the fill member to prevent warnings | |
1294 | * on some compilers | |
1295 | */ | |
1296 | tmp_key.fill[0] = 0; | |
1297 | ||
1298 | /* First load the temporary key stream */ | |
1299 | for (i = 0; i < 6; i++) { | |
1300 | u64 fillkey = ((u64)key << 32) | key; | |
1301 | tmp_key.fill[i] = fillkey; | |
1302 | } | |
1303 | ||
1304 | /* | |
1305 | * Set the interim key for the hashing. Bit 352 is unused, so we must | |
1306 | * shift and compensate when building the key. | |
1307 | */ | |
1308 | ||
1309 | int_key[0] = tmp_key.key_stream[0] >> 1; | |
1310 | for (i = 1, j = 0; i < 44; i++) { | |
1311 | unsigned int this_key = tmp_key.key_stream[j] << 7; | |
1312 | j++; | |
1313 | int_key[i] = (u8)(this_key | (tmp_key.key_stream[j] >> 1)); | |
1314 | } | |
1315 | ||
1316 | /* | |
1317 | * Set the interim bit string for the hashing. Bits 368 and 367 are | |
1318 | * unused, so shift and compensate when building the string. | |
1319 | */ | |
1320 | hash_str[0] = (stream[40] & 0x7f) >> 1; | |
1321 | for (i = 1, j = 40; i < 46; i++) { | |
1322 | unsigned int this_str = stream[j] << 7; | |
1323 | j++; | |
1324 | if (j > 41) | |
1325 | j = 0; | |
1326 | hash_str[i] = (u8)(this_str | (stream[j] >> 1)); | |
1327 | } | |
1328 | ||
1329 | /* | |
1330 | * Now compute the hash. i is the index into hash_str, j is into our | |
1331 | * key stream, k is counting the number of bits, and h interates within | |
1332 | * each byte. | |
1333 | */ | |
1334 | for (i = 45, j = 43, k = 0; k < 351 && i >= 2 && j >= 0; i--, j--) { | |
1335 | for (h = 0; h < 8 && k < 351; h++, k++) { | |
1336 | if (int_key[j] & (1 << h)) { | |
1337 | /* | |
1338 | * Key bit is set, XOR in the current 16-bit | |
1339 | * string. Example of processing: | |
1340 | * h = 0, | |
1341 | * tmp = (hash_str[i - 2] & 0 << 16) | | |
1342 | * (hash_str[i - 1] & 0xff << 8) | | |
1343 | * (hash_str[i] & 0xff >> 0) | |
1344 | * So tmp = hash_str[15 + k:k], since the | |
1345 | * i + 2 clause rolls off the 16-bit value | |
1346 | * h = 7, | |
1347 | * tmp = (hash_str[i - 2] & 0x7f << 9) | | |
1348 | * (hash_str[i - 1] & 0xff << 1) | | |
1349 | * (hash_str[i] & 0x80 >> 7) | |
1350 | */ | |
1351 | int tmp = (hash_str[i] >> h); | |
1352 | tmp |= (hash_str[i - 1] << (8 - h)); | |
1353 | tmp |= (int)(hash_str[i - 2] & ((1 << h) - 1)) | |
1354 | << (16 - h); | |
1355 | hash_result ^= (u16)tmp; | |
1356 | } | |
1357 | } | |
1358 | } | |
1359 | ||
1360 | return hash_result; | |
1361 | } | |
1362 | ||
1363 | /** | |
1364 | * ixgbe_atr_set_vlan_id_82599 - Sets the VLAN id in the ATR input stream | |
1365 | * @input: input stream to modify | |
1366 | * @vlan: the VLAN id to load | |
1367 | **/ | |
1368 | s32 ixgbe_atr_set_vlan_id_82599(struct ixgbe_atr_input *input, u16 vlan) | |
1369 | { | |
1370 | input->byte_stream[IXGBE_ATR_VLAN_OFFSET + 1] = vlan >> 8; | |
1371 | input->byte_stream[IXGBE_ATR_VLAN_OFFSET] = vlan & 0xff; | |
1372 | ||
1373 | return 0; | |
1374 | } | |
1375 | ||
1376 | /** | |
1377 | * ixgbe_atr_set_src_ipv4_82599 - Sets the source IPv4 address | |
1378 | * @input: input stream to modify | |
1379 | * @src_addr: the IP address to load | |
1380 | **/ | |
1381 | s32 ixgbe_atr_set_src_ipv4_82599(struct ixgbe_atr_input *input, u32 src_addr) | |
1382 | { | |
1383 | input->byte_stream[IXGBE_ATR_SRC_IPV4_OFFSET + 3] = src_addr >> 24; | |
1384 | input->byte_stream[IXGBE_ATR_SRC_IPV4_OFFSET + 2] = | |
1385 | (src_addr >> 16) & 0xff; | |
1386 | input->byte_stream[IXGBE_ATR_SRC_IPV4_OFFSET + 1] = | |
1387 | (src_addr >> 8) & 0xff; | |
1388 | input->byte_stream[IXGBE_ATR_SRC_IPV4_OFFSET] = src_addr & 0xff; | |
1389 | ||
1390 | return 0; | |
1391 | } | |
1392 | ||
1393 | /** | |
1394 | * ixgbe_atr_set_dst_ipv4_82599 - Sets the destination IPv4 address | |
1395 | * @input: input stream to modify | |
1396 | * @dst_addr: the IP address to load | |
1397 | **/ | |
1398 | s32 ixgbe_atr_set_dst_ipv4_82599(struct ixgbe_atr_input *input, u32 dst_addr) | |
1399 | { | |
1400 | input->byte_stream[IXGBE_ATR_DST_IPV4_OFFSET + 3] = dst_addr >> 24; | |
1401 | input->byte_stream[IXGBE_ATR_DST_IPV4_OFFSET + 2] = | |
1402 | (dst_addr >> 16) & 0xff; | |
1403 | input->byte_stream[IXGBE_ATR_DST_IPV4_OFFSET + 1] = | |
1404 | (dst_addr >> 8) & 0xff; | |
1405 | input->byte_stream[IXGBE_ATR_DST_IPV4_OFFSET] = dst_addr & 0xff; | |
1406 | ||
1407 | return 0; | |
1408 | } | |
1409 | ||
1410 | /** | |
1411 | * ixgbe_atr_set_src_ipv6_82599 - Sets the source IPv6 address | |
1412 | * @input: input stream to modify | |
1413 | * @src_addr_1: the first 4 bytes of the IP address to load | |
1414 | * @src_addr_2: the second 4 bytes of the IP address to load | |
1415 | * @src_addr_3: the third 4 bytes of the IP address to load | |
1416 | * @src_addr_4: the fourth 4 bytes of the IP address to load | |
1417 | **/ | |
1418 | s32 ixgbe_atr_set_src_ipv6_82599(struct ixgbe_atr_input *input, | |
9a713e7c PW |
1419 | u32 src_addr_1, u32 src_addr_2, |
1420 | u32 src_addr_3, u32 src_addr_4) | |
ffff4772 PWJ |
1421 | { |
1422 | input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET] = src_addr_4 & 0xff; | |
1423 | input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 1] = | |
1424 | (src_addr_4 >> 8) & 0xff; | |
1425 | input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 2] = | |
1426 | (src_addr_4 >> 16) & 0xff; | |
1427 | input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 3] = src_addr_4 >> 24; | |
1428 | ||
1429 | input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 4] = src_addr_3 & 0xff; | |
1430 | input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 5] = | |
1431 | (src_addr_3 >> 8) & 0xff; | |
1432 | input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 6] = | |
1433 | (src_addr_3 >> 16) & 0xff; | |
1434 | input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 7] = src_addr_3 >> 24; | |
1435 | ||
1436 | input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 8] = src_addr_2 & 0xff; | |
1437 | input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 9] = | |
1438 | (src_addr_2 >> 8) & 0xff; | |
1439 | input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 10] = | |
1440 | (src_addr_2 >> 16) & 0xff; | |
1441 | input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 11] = src_addr_2 >> 24; | |
1442 | ||
1443 | input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 12] = src_addr_1 & 0xff; | |
1444 | input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 13] = | |
1445 | (src_addr_1 >> 8) & 0xff; | |
1446 | input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 14] = | |
1447 | (src_addr_1 >> 16) & 0xff; | |
1448 | input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 15] = src_addr_1 >> 24; | |
1449 | ||
1450 | return 0; | |
1451 | } | |
1452 | ||
1453 | /** | |
1454 | * ixgbe_atr_set_dst_ipv6_82599 - Sets the destination IPv6 address | |
1455 | * @input: input stream to modify | |
1456 | * @dst_addr_1: the first 4 bytes of the IP address to load | |
1457 | * @dst_addr_2: the second 4 bytes of the IP address to load | |
1458 | * @dst_addr_3: the third 4 bytes of the IP address to load | |
1459 | * @dst_addr_4: the fourth 4 bytes of the IP address to load | |
1460 | **/ | |
1461 | s32 ixgbe_atr_set_dst_ipv6_82599(struct ixgbe_atr_input *input, | |
9a713e7c PW |
1462 | u32 dst_addr_1, u32 dst_addr_2, |
1463 | u32 dst_addr_3, u32 dst_addr_4) | |
ffff4772 PWJ |
1464 | { |
1465 | input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET] = dst_addr_4 & 0xff; | |
1466 | input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 1] = | |
1467 | (dst_addr_4 >> 8) & 0xff; | |
1468 | input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 2] = | |
1469 | (dst_addr_4 >> 16) & 0xff; | |
1470 | input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 3] = dst_addr_4 >> 24; | |
1471 | ||
1472 | input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 4] = dst_addr_3 & 0xff; | |
1473 | input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 5] = | |
1474 | (dst_addr_3 >> 8) & 0xff; | |
1475 | input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 6] = | |
1476 | (dst_addr_3 >> 16) & 0xff; | |
1477 | input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 7] = dst_addr_3 >> 24; | |
1478 | ||
1479 | input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 8] = dst_addr_2 & 0xff; | |
1480 | input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 9] = | |
1481 | (dst_addr_2 >> 8) & 0xff; | |
1482 | input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 10] = | |
1483 | (dst_addr_2 >> 16) & 0xff; | |
1484 | input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 11] = dst_addr_2 >> 24; | |
1485 | ||
1486 | input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 12] = dst_addr_1 & 0xff; | |
1487 | input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 13] = | |
1488 | (dst_addr_1 >> 8) & 0xff; | |
1489 | input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 14] = | |
1490 | (dst_addr_1 >> 16) & 0xff; | |
1491 | input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 15] = dst_addr_1 >> 24; | |
1492 | ||
1493 | return 0; | |
1494 | } | |
1495 | ||
1496 | /** | |
1497 | * ixgbe_atr_set_src_port_82599 - Sets the source port | |
1498 | * @input: input stream to modify | |
1499 | * @src_port: the source port to load | |
1500 | **/ | |
1501 | s32 ixgbe_atr_set_src_port_82599(struct ixgbe_atr_input *input, u16 src_port) | |
1502 | { | |
1503 | input->byte_stream[IXGBE_ATR_SRC_PORT_OFFSET + 1] = src_port >> 8; | |
1504 | input->byte_stream[IXGBE_ATR_SRC_PORT_OFFSET] = src_port & 0xff; | |
1505 | ||
1506 | return 0; | |
1507 | } | |
1508 | ||
1509 | /** | |
1510 | * ixgbe_atr_set_dst_port_82599 - Sets the destination port | |
1511 | * @input: input stream to modify | |
1512 | * @dst_port: the destination port to load | |
1513 | **/ | |
1514 | s32 ixgbe_atr_set_dst_port_82599(struct ixgbe_atr_input *input, u16 dst_port) | |
1515 | { | |
1516 | input->byte_stream[IXGBE_ATR_DST_PORT_OFFSET + 1] = dst_port >> 8; | |
1517 | input->byte_stream[IXGBE_ATR_DST_PORT_OFFSET] = dst_port & 0xff; | |
1518 | ||
1519 | return 0; | |
1520 | } | |
1521 | ||
1522 | /** | |
1523 | * ixgbe_atr_set_flex_byte_82599 - Sets the flexible bytes | |
1524 | * @input: input stream to modify | |
1525 | * @flex_bytes: the flexible bytes to load | |
1526 | **/ | |
1527 | s32 ixgbe_atr_set_flex_byte_82599(struct ixgbe_atr_input *input, u16 flex_byte) | |
1528 | { | |
1529 | input->byte_stream[IXGBE_ATR_FLEX_BYTE_OFFSET + 1] = flex_byte >> 8; | |
1530 | input->byte_stream[IXGBE_ATR_FLEX_BYTE_OFFSET] = flex_byte & 0xff; | |
1531 | ||
1532 | return 0; | |
1533 | } | |
1534 | ||
1535 | /** | |
1536 | * ixgbe_atr_set_vm_pool_82599 - Sets the Virtual Machine pool | |
1537 | * @input: input stream to modify | |
1538 | * @vm_pool: the Virtual Machine pool to load | |
1539 | **/ | |
7b25cdba | 1540 | s32 ixgbe_atr_set_vm_pool_82599(struct ixgbe_atr_input *input, |
9a713e7c | 1541 | u8 vm_pool) |
ffff4772 PWJ |
1542 | { |
1543 | input->byte_stream[IXGBE_ATR_VM_POOL_OFFSET] = vm_pool; | |
1544 | ||
1545 | return 0; | |
1546 | } | |
1547 | ||
1548 | /** | |
1549 | * ixgbe_atr_set_l4type_82599 - Sets the layer 4 packet type | |
1550 | * @input: input stream to modify | |
1551 | * @l4type: the layer 4 type value to load | |
1552 | **/ | |
1553 | s32 ixgbe_atr_set_l4type_82599(struct ixgbe_atr_input *input, u8 l4type) | |
1554 | { | |
1555 | input->byte_stream[IXGBE_ATR_L4TYPE_OFFSET] = l4type; | |
1556 | ||
1557 | return 0; | |
1558 | } | |
1559 | ||
1560 | /** | |
1561 | * ixgbe_atr_get_vlan_id_82599 - Gets the VLAN id from the ATR input stream | |
1562 | * @input: input stream to search | |
1563 | * @vlan: the VLAN id to load | |
1564 | **/ | |
9a713e7c | 1565 | static s32 ixgbe_atr_get_vlan_id_82599(struct ixgbe_atr_input *input, u16 *vlan) |
ffff4772 PWJ |
1566 | { |
1567 | *vlan = input->byte_stream[IXGBE_ATR_VLAN_OFFSET]; | |
1568 | *vlan |= input->byte_stream[IXGBE_ATR_VLAN_OFFSET + 1] << 8; | |
1569 | ||
1570 | return 0; | |
1571 | } | |
1572 | ||
1573 | /** | |
1574 | * ixgbe_atr_get_src_ipv4_82599 - Gets the source IPv4 address | |
1575 | * @input: input stream to search | |
1576 | * @src_addr: the IP address to load | |
1577 | **/ | |
7b25cdba DS |
1578 | static s32 ixgbe_atr_get_src_ipv4_82599(struct ixgbe_atr_input *input, |
1579 | u32 *src_addr) | |
ffff4772 PWJ |
1580 | { |
1581 | *src_addr = input->byte_stream[IXGBE_ATR_SRC_IPV4_OFFSET]; | |
1582 | *src_addr |= input->byte_stream[IXGBE_ATR_SRC_IPV4_OFFSET + 1] << 8; | |
1583 | *src_addr |= input->byte_stream[IXGBE_ATR_SRC_IPV4_OFFSET + 2] << 16; | |
1584 | *src_addr |= input->byte_stream[IXGBE_ATR_SRC_IPV4_OFFSET + 3] << 24; | |
1585 | ||
1586 | return 0; | |
1587 | } | |
1588 | ||
1589 | /** | |
1590 | * ixgbe_atr_get_dst_ipv4_82599 - Gets the destination IPv4 address | |
1591 | * @input: input stream to search | |
1592 | * @dst_addr: the IP address to load | |
1593 | **/ | |
7b25cdba DS |
1594 | static s32 ixgbe_atr_get_dst_ipv4_82599(struct ixgbe_atr_input *input, |
1595 | u32 *dst_addr) | |
ffff4772 PWJ |
1596 | { |
1597 | *dst_addr = input->byte_stream[IXGBE_ATR_DST_IPV4_OFFSET]; | |
1598 | *dst_addr |= input->byte_stream[IXGBE_ATR_DST_IPV4_OFFSET + 1] << 8; | |
1599 | *dst_addr |= input->byte_stream[IXGBE_ATR_DST_IPV4_OFFSET + 2] << 16; | |
1600 | *dst_addr |= input->byte_stream[IXGBE_ATR_DST_IPV4_OFFSET + 3] << 24; | |
1601 | ||
1602 | return 0; | |
1603 | } | |
1604 | ||
1605 | /** | |
1606 | * ixgbe_atr_get_src_ipv6_82599 - Gets the source IPv6 address | |
1607 | * @input: input stream to search | |
1608 | * @src_addr_1: the first 4 bytes of the IP address to load | |
1609 | * @src_addr_2: the second 4 bytes of the IP address to load | |
1610 | * @src_addr_3: the third 4 bytes of the IP address to load | |
1611 | * @src_addr_4: the fourth 4 bytes of the IP address to load | |
1612 | **/ | |
7b25cdba DS |
1613 | static s32 ixgbe_atr_get_src_ipv6_82599(struct ixgbe_atr_input *input, |
1614 | u32 *src_addr_1, u32 *src_addr_2, | |
1615 | u32 *src_addr_3, u32 *src_addr_4) | |
ffff4772 PWJ |
1616 | { |
1617 | *src_addr_1 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 12]; | |
1618 | *src_addr_1 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 13] << 8; | |
1619 | *src_addr_1 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 14] << 16; | |
1620 | *src_addr_1 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 15] << 24; | |
1621 | ||
1622 | *src_addr_2 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 8]; | |
1623 | *src_addr_2 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 9] << 8; | |
1624 | *src_addr_2 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 10] << 16; | |
1625 | *src_addr_2 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 11] << 24; | |
1626 | ||
1627 | *src_addr_3 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 4]; | |
1628 | *src_addr_3 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 5] << 8; | |
1629 | *src_addr_3 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 6] << 16; | |
1630 | *src_addr_3 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 7] << 24; | |
1631 | ||
1632 | *src_addr_4 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET]; | |
1633 | *src_addr_4 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 1] << 8; | |
1634 | *src_addr_4 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 2] << 16; | |
1635 | *src_addr_4 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 3] << 24; | |
1636 | ||
1637 | return 0; | |
1638 | } | |
1639 | ||
1640 | /** | |
1641 | * ixgbe_atr_get_dst_ipv6_82599 - Gets the destination IPv6 address | |
1642 | * @input: input stream to search | |
1643 | * @dst_addr_1: the first 4 bytes of the IP address to load | |
1644 | * @dst_addr_2: the second 4 bytes of the IP address to load | |
1645 | * @dst_addr_3: the third 4 bytes of the IP address to load | |
1646 | * @dst_addr_4: the fourth 4 bytes of the IP address to load | |
1647 | **/ | |
1648 | s32 ixgbe_atr_get_dst_ipv6_82599(struct ixgbe_atr_input *input, | |
7b25cdba DS |
1649 | u32 *dst_addr_1, u32 *dst_addr_2, |
1650 | u32 *dst_addr_3, u32 *dst_addr_4) | |
ffff4772 PWJ |
1651 | { |
1652 | *dst_addr_1 = input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 12]; | |
1653 | *dst_addr_1 = input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 13] << 8; | |
1654 | *dst_addr_1 = input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 14] << 16; | |
1655 | *dst_addr_1 = input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 15] << 24; | |
1656 | ||
1657 | *dst_addr_2 = input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 8]; | |
1658 | *dst_addr_2 = input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 9] << 8; | |
1659 | *dst_addr_2 = input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 10] << 16; | |
1660 | *dst_addr_2 = input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 11] << 24; | |
1661 | ||
1662 | *dst_addr_3 = input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 4]; | |
1663 | *dst_addr_3 = input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 5] << 8; | |
1664 | *dst_addr_3 = input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 6] << 16; | |
1665 | *dst_addr_3 = input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 7] << 24; | |
1666 | ||
1667 | *dst_addr_4 = input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET]; | |
1668 | *dst_addr_4 = input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 1] << 8; | |
1669 | *dst_addr_4 = input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 2] << 16; | |
1670 | *dst_addr_4 = input->byte_stream[IXGBE_ATR_DST_IPV6_OFFSET + 3] << 24; | |
1671 | ||
1672 | return 0; | |
1673 | } | |
1674 | ||
1675 | /** | |
1676 | * ixgbe_atr_get_src_port_82599 - Gets the source port | |
1677 | * @input: input stream to modify | |
1678 | * @src_port: the source port to load | |
1679 | * | |
1680 | * Even though the input is given in big-endian, the FDIRPORT registers | |
1681 | * expect the ports to be programmed in little-endian. Hence the need to swap | |
1682 | * endianness when retrieving the data. This can be confusing since the | |
1683 | * internal hash engine expects it to be big-endian. | |
1684 | **/ | |
7b25cdba DS |
1685 | static s32 ixgbe_atr_get_src_port_82599(struct ixgbe_atr_input *input, |
1686 | u16 *src_port) | |
ffff4772 PWJ |
1687 | { |
1688 | *src_port = input->byte_stream[IXGBE_ATR_SRC_PORT_OFFSET] << 8; | |
1689 | *src_port |= input->byte_stream[IXGBE_ATR_SRC_PORT_OFFSET + 1]; | |
1690 | ||
1691 | return 0; | |
1692 | } | |
1693 | ||
1694 | /** | |
1695 | * ixgbe_atr_get_dst_port_82599 - Gets the destination port | |
1696 | * @input: input stream to modify | |
1697 | * @dst_port: the destination port to load | |
1698 | * | |
1699 | * Even though the input is given in big-endian, the FDIRPORT registers | |
1700 | * expect the ports to be programmed in little-endian. Hence the need to swap | |
1701 | * endianness when retrieving the data. This can be confusing since the | |
1702 | * internal hash engine expects it to be big-endian. | |
1703 | **/ | |
7b25cdba DS |
1704 | static s32 ixgbe_atr_get_dst_port_82599(struct ixgbe_atr_input *input, |
1705 | u16 *dst_port) | |
ffff4772 PWJ |
1706 | { |
1707 | *dst_port = input->byte_stream[IXGBE_ATR_DST_PORT_OFFSET] << 8; | |
1708 | *dst_port |= input->byte_stream[IXGBE_ATR_DST_PORT_OFFSET + 1]; | |
1709 | ||
1710 | return 0; | |
1711 | } | |
1712 | ||
1713 | /** | |
1714 | * ixgbe_atr_get_flex_byte_82599 - Gets the flexible bytes | |
1715 | * @input: input stream to modify | |
1716 | * @flex_bytes: the flexible bytes to load | |
1717 | **/ | |
7b25cdba DS |
1718 | static s32 ixgbe_atr_get_flex_byte_82599(struct ixgbe_atr_input *input, |
1719 | u16 *flex_byte) | |
ffff4772 PWJ |
1720 | { |
1721 | *flex_byte = input->byte_stream[IXGBE_ATR_FLEX_BYTE_OFFSET]; | |
1722 | *flex_byte |= input->byte_stream[IXGBE_ATR_FLEX_BYTE_OFFSET + 1] << 8; | |
1723 | ||
1724 | return 0; | |
1725 | } | |
1726 | ||
1727 | /** | |
1728 | * ixgbe_atr_get_vm_pool_82599 - Gets the Virtual Machine pool | |
1729 | * @input: input stream to modify | |
1730 | * @vm_pool: the Virtual Machine pool to load | |
1731 | **/ | |
7b25cdba DS |
1732 | s32 ixgbe_atr_get_vm_pool_82599(struct ixgbe_atr_input *input, |
1733 | u8 *vm_pool) | |
ffff4772 PWJ |
1734 | { |
1735 | *vm_pool = input->byte_stream[IXGBE_ATR_VM_POOL_OFFSET]; | |
1736 | ||
1737 | return 0; | |
1738 | } | |
1739 | ||
1740 | /** | |
1741 | * ixgbe_atr_get_l4type_82599 - Gets the layer 4 packet type | |
1742 | * @input: input stream to modify | |
1743 | * @l4type: the layer 4 type value to load | |
1744 | **/ | |
7b25cdba DS |
1745 | static s32 ixgbe_atr_get_l4type_82599(struct ixgbe_atr_input *input, |
1746 | u8 *l4type) | |
ffff4772 PWJ |
1747 | { |
1748 | *l4type = input->byte_stream[IXGBE_ATR_L4TYPE_OFFSET]; | |
1749 | ||
1750 | return 0; | |
1751 | } | |
1752 | ||
1753 | /** | |
1754 | * ixgbe_atr_add_signature_filter_82599 - Adds a signature hash filter | |
1755 | * @hw: pointer to hardware structure | |
1756 | * @stream: input bitstream | |
1757 | * @queue: queue index to direct traffic to | |
1758 | **/ | |
1759 | s32 ixgbe_fdir_add_signature_filter_82599(struct ixgbe_hw *hw, | |
1760 | struct ixgbe_atr_input *input, | |
1761 | u8 queue) | |
1762 | { | |
1763 | u64 fdirhashcmd; | |
1764 | u64 fdircmd; | |
1765 | u32 fdirhash; | |
1766 | u16 bucket_hash, sig_hash; | |
1767 | u8 l4type; | |
1768 | ||
1769 | bucket_hash = ixgbe_atr_compute_hash_82599(input, | |
1770 | IXGBE_ATR_BUCKET_HASH_KEY); | |
1771 | ||
1772 | /* bucket_hash is only 15 bits */ | |
1773 | bucket_hash &= IXGBE_ATR_HASH_MASK; | |
1774 | ||
1775 | sig_hash = ixgbe_atr_compute_hash_82599(input, | |
1776 | IXGBE_ATR_SIGNATURE_HASH_KEY); | |
1777 | ||
1778 | /* Get the l4type in order to program FDIRCMD properly */ | |
1779 | /* lowest 2 bits are FDIRCMD.L4TYPE, third lowest bit is FDIRCMD.IPV6 */ | |
1780 | ixgbe_atr_get_l4type_82599(input, &l4type); | |
1781 | ||
1782 | /* | |
1783 | * The lower 32-bits of fdirhashcmd is for FDIRHASH, the upper 32-bits | |
1784 | * is for FDIRCMD. Then do a 64-bit register write from FDIRHASH. | |
1785 | */ | |
1786 | fdirhash = sig_hash << IXGBE_FDIRHASH_SIG_SW_INDEX_SHIFT | bucket_hash; | |
1787 | ||
1788 | fdircmd = (IXGBE_FDIRCMD_CMD_ADD_FLOW | IXGBE_FDIRCMD_FILTER_UPDATE | | |
1789 | IXGBE_FDIRCMD_LAST | IXGBE_FDIRCMD_QUEUE_EN); | |
1790 | ||
1791 | switch (l4type & IXGBE_ATR_L4TYPE_MASK) { | |
1792 | case IXGBE_ATR_L4TYPE_TCP: | |
1793 | fdircmd |= IXGBE_FDIRCMD_L4TYPE_TCP; | |
1794 | break; | |
1795 | case IXGBE_ATR_L4TYPE_UDP: | |
1796 | fdircmd |= IXGBE_FDIRCMD_L4TYPE_UDP; | |
1797 | break; | |
1798 | case IXGBE_ATR_L4TYPE_SCTP: | |
1799 | fdircmd |= IXGBE_FDIRCMD_L4TYPE_SCTP; | |
1800 | break; | |
1801 | default: | |
1802 | hw_dbg(hw, "Error on l4type input\n"); | |
1803 | return IXGBE_ERR_CONFIG; | |
1804 | } | |
1805 | ||
1806 | if (l4type & IXGBE_ATR_L4TYPE_IPV6_MASK) | |
1807 | fdircmd |= IXGBE_FDIRCMD_IPV6; | |
1808 | ||
1809 | fdircmd |= ((u64)queue << IXGBE_FDIRCMD_RX_QUEUE_SHIFT); | |
1810 | fdirhashcmd = ((fdircmd << 32) | fdirhash); | |
1811 | ||
1812 | IXGBE_WRITE_REG64(hw, IXGBE_FDIRHASH, fdirhashcmd); | |
1813 | ||
1814 | return 0; | |
1815 | } | |
1816 | ||
1817 | /** | |
1818 | * ixgbe_fdir_add_perfect_filter_82599 - Adds a perfect filter | |
1819 | * @hw: pointer to hardware structure | |
1820 | * @input: input bitstream | |
9a713e7c PW |
1821 | * @input_masks: bitwise masks for relevant fields |
1822 | * @soft_id: software index into the silicon hash tables for filter storage | |
ffff4772 PWJ |
1823 | * @queue: queue index to direct traffic to |
1824 | * | |
1825 | * Note that the caller to this function must lock before calling, since the | |
1826 | * hardware writes must be protected from one another. | |
1827 | **/ | |
1828 | s32 ixgbe_fdir_add_perfect_filter_82599(struct ixgbe_hw *hw, | |
9a713e7c PW |
1829 | struct ixgbe_atr_input *input, |
1830 | struct ixgbe_atr_input_masks *input_masks, | |
1831 | u16 soft_id, u8 queue) | |
ffff4772 PWJ |
1832 | { |
1833 | u32 fdircmd = 0; | |
1834 | u32 fdirhash; | |
9a713e7c | 1835 | u32 src_ipv4 = 0, dst_ipv4 = 0; |
ffff4772 PWJ |
1836 | u32 src_ipv6_1, src_ipv6_2, src_ipv6_3, src_ipv6_4; |
1837 | u16 src_port, dst_port, vlan_id, flex_bytes; | |
1838 | u16 bucket_hash; | |
1839 | u8 l4type; | |
9a713e7c | 1840 | u8 fdirm = 0; |
ffff4772 PWJ |
1841 | |
1842 | /* Get our input values */ | |
1843 | ixgbe_atr_get_l4type_82599(input, &l4type); | |
1844 | ||
1845 | /* | |
1846 | * Check l4type formatting, and bail out before we touch the hardware | |
1847 | * if there's a configuration issue | |
1848 | */ | |
1849 | switch (l4type & IXGBE_ATR_L4TYPE_MASK) { | |
1850 | case IXGBE_ATR_L4TYPE_TCP: | |
1851 | fdircmd |= IXGBE_FDIRCMD_L4TYPE_TCP; | |
1852 | break; | |
1853 | case IXGBE_ATR_L4TYPE_UDP: | |
1854 | fdircmd |= IXGBE_FDIRCMD_L4TYPE_UDP; | |
1855 | break; | |
1856 | case IXGBE_ATR_L4TYPE_SCTP: | |
1857 | fdircmd |= IXGBE_FDIRCMD_L4TYPE_SCTP; | |
1858 | break; | |
1859 | default: | |
1860 | hw_dbg(hw, "Error on l4type input\n"); | |
1861 | return IXGBE_ERR_CONFIG; | |
1862 | } | |
1863 | ||
1864 | bucket_hash = ixgbe_atr_compute_hash_82599(input, | |
1865 | IXGBE_ATR_BUCKET_HASH_KEY); | |
1866 | ||
1867 | /* bucket_hash is only 15 bits */ | |
1868 | bucket_hash &= IXGBE_ATR_HASH_MASK; | |
1869 | ||
1870 | ixgbe_atr_get_vlan_id_82599(input, &vlan_id); | |
1871 | ixgbe_atr_get_src_port_82599(input, &src_port); | |
1872 | ixgbe_atr_get_dst_port_82599(input, &dst_port); | |
1873 | ixgbe_atr_get_flex_byte_82599(input, &flex_bytes); | |
1874 | ||
1875 | fdirhash = soft_id << IXGBE_FDIRHASH_SIG_SW_INDEX_SHIFT | bucket_hash; | |
1876 | ||
1877 | /* Now figure out if we're IPv4 or IPv6 */ | |
1878 | if (l4type & IXGBE_ATR_L4TYPE_IPV6_MASK) { | |
1879 | /* IPv6 */ | |
1880 | ixgbe_atr_get_src_ipv6_82599(input, &src_ipv6_1, &src_ipv6_2, | |
1881 | &src_ipv6_3, &src_ipv6_4); | |
1882 | ||
1883 | IXGBE_WRITE_REG(hw, IXGBE_FDIRSIPv6(0), src_ipv6_1); | |
1884 | IXGBE_WRITE_REG(hw, IXGBE_FDIRSIPv6(1), src_ipv6_2); | |
1885 | IXGBE_WRITE_REG(hw, IXGBE_FDIRSIPv6(2), src_ipv6_3); | |
1886 | /* The last 4 bytes is the same register as IPv4 */ | |
1887 | IXGBE_WRITE_REG(hw, IXGBE_FDIRIPSA, src_ipv6_4); | |
1888 | ||
1889 | fdircmd |= IXGBE_FDIRCMD_IPV6; | |
1890 | fdircmd |= IXGBE_FDIRCMD_IPv6DMATCH; | |
1891 | } else { | |
1892 | /* IPv4 */ | |
1893 | ixgbe_atr_get_src_ipv4_82599(input, &src_ipv4); | |
1894 | IXGBE_WRITE_REG(hw, IXGBE_FDIRIPSA, src_ipv4); | |
ffff4772 PWJ |
1895 | } |
1896 | ||
1897 | ixgbe_atr_get_dst_ipv4_82599(input, &dst_ipv4); | |
1898 | IXGBE_WRITE_REG(hw, IXGBE_FDIRIPDA, dst_ipv4); | |
1899 | ||
1900 | IXGBE_WRITE_REG(hw, IXGBE_FDIRVLAN, (vlan_id | | |
1901 | (flex_bytes << IXGBE_FDIRVLAN_FLEX_SHIFT))); | |
1902 | IXGBE_WRITE_REG(hw, IXGBE_FDIRPORT, (src_port | | |
9a713e7c PW |
1903 | (dst_port << IXGBE_FDIRPORT_DESTINATION_SHIFT))); |
1904 | ||
1905 | /* | |
1906 | * Program the relevant mask registers. If src/dst_port or src/dst_addr | |
1907 | * are zero, then assume a full mask for that field. Also assume that | |
1908 | * a VLAN of 0 is unspecified, so mask that out as well. L4type | |
1909 | * cannot be masked out in this implementation. | |
1910 | * | |
1911 | * This also assumes IPv4 only. IPv6 masking isn't supported at this | |
1912 | * point in time. | |
1913 | */ | |
1914 | if (src_ipv4 == 0) | |
1915 | IXGBE_WRITE_REG(hw, IXGBE_FDIRSIP4M, 0xffffffff); | |
1916 | else | |
1917 | IXGBE_WRITE_REG(hw, IXGBE_FDIRSIP4M, input_masks->src_ip_mask); | |
1918 | ||
1919 | if (dst_ipv4 == 0) | |
1920 | IXGBE_WRITE_REG(hw, IXGBE_FDIRDIP4M, 0xffffffff); | |
1921 | else | |
1922 | IXGBE_WRITE_REG(hw, IXGBE_FDIRDIP4M, input_masks->dst_ip_mask); | |
1923 | ||
1924 | switch (l4type & IXGBE_ATR_L4TYPE_MASK) { | |
1925 | case IXGBE_ATR_L4TYPE_TCP: | |
1926 | if (src_port == 0) | |
1927 | IXGBE_WRITE_REG(hw, IXGBE_FDIRTCPM, 0xffff); | |
1928 | else | |
1929 | IXGBE_WRITE_REG(hw, IXGBE_FDIRTCPM, | |
1930 | input_masks->src_port_mask); | |
1931 | ||
1932 | if (dst_port == 0) | |
1933 | IXGBE_WRITE_REG(hw, IXGBE_FDIRTCPM, | |
1934 | (IXGBE_READ_REG(hw, IXGBE_FDIRTCPM) | | |
1935 | (0xffff << 16))); | |
1936 | else | |
1937 | IXGBE_WRITE_REG(hw, IXGBE_FDIRTCPM, | |
1938 | (IXGBE_READ_REG(hw, IXGBE_FDIRTCPM) | | |
1939 | (input_masks->dst_port_mask << 16))); | |
1940 | break; | |
1941 | case IXGBE_ATR_L4TYPE_UDP: | |
1942 | if (src_port == 0) | |
1943 | IXGBE_WRITE_REG(hw, IXGBE_FDIRUDPM, 0xffff); | |
1944 | else | |
1945 | IXGBE_WRITE_REG(hw, IXGBE_FDIRUDPM, | |
1946 | input_masks->src_port_mask); | |
1947 | ||
1948 | if (dst_port == 0) | |
1949 | IXGBE_WRITE_REG(hw, IXGBE_FDIRUDPM, | |
1950 | (IXGBE_READ_REG(hw, IXGBE_FDIRUDPM) | | |
1951 | (0xffff << 16))); | |
1952 | else | |
1953 | IXGBE_WRITE_REG(hw, IXGBE_FDIRUDPM, | |
1954 | (IXGBE_READ_REG(hw, IXGBE_FDIRUDPM) | | |
1955 | (input_masks->src_port_mask << 16))); | |
1956 | break; | |
1957 | default: | |
1958 | /* this already would have failed above */ | |
1959 | break; | |
1960 | } | |
1961 | ||
1962 | /* Program the last mask register, FDIRM */ | |
1963 | if (input_masks->vlan_id_mask || !vlan_id) | |
1964 | /* Mask both VLAN and VLANP - bits 0 and 1 */ | |
1965 | fdirm |= 0x3; | |
1966 | ||
1967 | if (input_masks->data_mask || !flex_bytes) | |
1968 | /* Flex bytes need masking, so mask the whole thing - bit 4 */ | |
1969 | fdirm |= 0x10; | |
1970 | ||
1971 | /* Now mask VM pool and destination IPv6 - bits 5 and 2 */ | |
1972 | fdirm |= 0x24; | |
1973 | ||
1974 | IXGBE_WRITE_REG(hw, IXGBE_FDIRM, fdirm); | |
ffff4772 PWJ |
1975 | |
1976 | fdircmd |= IXGBE_FDIRCMD_CMD_ADD_FLOW; | |
1977 | fdircmd |= IXGBE_FDIRCMD_FILTER_UPDATE; | |
1978 | fdircmd |= IXGBE_FDIRCMD_LAST; | |
1979 | fdircmd |= IXGBE_FDIRCMD_QUEUE_EN; | |
1980 | fdircmd |= queue << IXGBE_FDIRCMD_RX_QUEUE_SHIFT; | |
1981 | ||
1982 | IXGBE_WRITE_REG(hw, IXGBE_FDIRHASH, fdirhash); | |
1983 | IXGBE_WRITE_REG(hw, IXGBE_FDIRCMD, fdircmd); | |
1984 | ||
1985 | return 0; | |
1986 | } | |
11afc1b1 PW |
1987 | /** |
1988 | * ixgbe_read_analog_reg8_82599 - Reads 8 bit Omer analog register | |
1989 | * @hw: pointer to hardware structure | |
1990 | * @reg: analog register to read | |
1991 | * @val: read value | |
1992 | * | |
1993 | * Performs read operation to Omer analog register specified. | |
1994 | **/ | |
7b25cdba | 1995 | static s32 ixgbe_read_analog_reg8_82599(struct ixgbe_hw *hw, u32 reg, u8 *val) |
11afc1b1 PW |
1996 | { |
1997 | u32 core_ctl; | |
1998 | ||
1999 | IXGBE_WRITE_REG(hw, IXGBE_CORECTL, IXGBE_CORECTL_WRITE_CMD | | |
2000 | (reg << 8)); | |
2001 | IXGBE_WRITE_FLUSH(hw); | |
2002 | udelay(10); | |
2003 | core_ctl = IXGBE_READ_REG(hw, IXGBE_CORECTL); | |
2004 | *val = (u8)core_ctl; | |
2005 | ||
2006 | return 0; | |
2007 | } | |
2008 | ||
2009 | /** | |
2010 | * ixgbe_write_analog_reg8_82599 - Writes 8 bit Omer analog register | |
2011 | * @hw: pointer to hardware structure | |
2012 | * @reg: atlas register to write | |
2013 | * @val: value to write | |
2014 | * | |
2015 | * Performs write operation to Omer analog register specified. | |
2016 | **/ | |
7b25cdba | 2017 | static s32 ixgbe_write_analog_reg8_82599(struct ixgbe_hw *hw, u32 reg, u8 val) |
11afc1b1 PW |
2018 | { |
2019 | u32 core_ctl; | |
2020 | ||
2021 | core_ctl = (reg << 8) | val; | |
2022 | IXGBE_WRITE_REG(hw, IXGBE_CORECTL, core_ctl); | |
2023 | IXGBE_WRITE_FLUSH(hw); | |
2024 | udelay(10); | |
2025 | ||
2026 | return 0; | |
2027 | } | |
2028 | ||
2029 | /** | |
2030 | * ixgbe_start_hw_82599 - Prepare hardware for Tx/Rx | |
2031 | * @hw: pointer to hardware structure | |
2032 | * | |
2033 | * Starts the hardware using the generic start_hw function. | |
2034 | * Then performs device-specific: | |
2035 | * Clears the rate limiter registers. | |
2036 | **/ | |
7b25cdba | 2037 | static s32 ixgbe_start_hw_82599(struct ixgbe_hw *hw) |
11afc1b1 PW |
2038 | { |
2039 | u32 q_num; | |
794caeb2 | 2040 | s32 ret_val; |
11afc1b1 | 2041 | |
794caeb2 | 2042 | ret_val = ixgbe_start_hw_generic(hw); |
11afc1b1 PW |
2043 | |
2044 | /* Clear the rate limiters */ | |
2045 | for (q_num = 0; q_num < hw->mac.max_tx_queues; q_num++) { | |
2046 | IXGBE_WRITE_REG(hw, IXGBE_RTTDQSEL, q_num); | |
2047 | IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRC, 0); | |
2048 | } | |
2049 | IXGBE_WRITE_FLUSH(hw); | |
2050 | ||
50ac58ba PWJ |
2051 | /* We need to run link autotry after the driver loads */ |
2052 | hw->mac.autotry_restart = true; | |
2053 | ||
794caeb2 PWJ |
2054 | if (ret_val == 0) |
2055 | ret_val = ixgbe_verify_fw_version_82599(hw); | |
2056 | ||
2057 | return ret_val; | |
11afc1b1 PW |
2058 | } |
2059 | ||
2060 | /** | |
2061 | * ixgbe_identify_phy_82599 - Get physical layer module | |
2062 | * @hw: pointer to hardware structure | |
2063 | * | |
2064 | * Determines the physical layer module found on the current adapter. | |
2065 | **/ | |
7b25cdba | 2066 | static s32 ixgbe_identify_phy_82599(struct ixgbe_hw *hw) |
11afc1b1 PW |
2067 | { |
2068 | s32 status = IXGBE_ERR_PHY_ADDR_INVALID; | |
2069 | status = ixgbe_identify_phy_generic(hw); | |
2070 | if (status != 0) | |
2071 | status = ixgbe_identify_sfp_module_generic(hw); | |
2072 | return status; | |
2073 | } | |
2074 | ||
2075 | /** | |
2076 | * ixgbe_get_supported_physical_layer_82599 - Returns physical layer type | |
2077 | * @hw: pointer to hardware structure | |
2078 | * | |
2079 | * Determines physical layer capabilities of the current configuration. | |
2080 | **/ | |
7b25cdba | 2081 | static u32 ixgbe_get_supported_physical_layer_82599(struct ixgbe_hw *hw) |
11afc1b1 PW |
2082 | { |
2083 | u32 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN; | |
04193058 PWJ |
2084 | u32 autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC); |
2085 | u32 autoc2 = IXGBE_READ_REG(hw, IXGBE_AUTOC2); | |
2086 | u32 pma_pmd_10g_serial = autoc2 & IXGBE_AUTOC2_10G_SERIAL_PMA_PMD_MASK; | |
2087 | u32 pma_pmd_10g_parallel = autoc & IXGBE_AUTOC_10G_PMA_PMD_MASK; | |
2088 | u32 pma_pmd_1g = autoc & IXGBE_AUTOC_1G_PMA_PMD_MASK; | |
2089 | u16 ext_ability = 0; | |
1339b9e9 | 2090 | u8 comp_codes_10g = 0; |
11afc1b1 | 2091 | |
04193058 PWJ |
2092 | hw->phy.ops.identify(hw); |
2093 | ||
2094 | if (hw->phy.type == ixgbe_phy_tn || | |
2095 | hw->phy.type == ixgbe_phy_cu_unknown) { | |
6b73e10d BH |
2096 | hw->phy.ops.read_reg(hw, MDIO_PMA_EXTABLE, MDIO_MMD_PMAPMD, |
2097 | &ext_ability); | |
2098 | if (ext_ability & MDIO_PMA_EXTABLE_10GBT) | |
04193058 | 2099 | physical_layer |= IXGBE_PHYSICAL_LAYER_10GBASE_T; |
6b73e10d | 2100 | if (ext_ability & MDIO_PMA_EXTABLE_1000BT) |
04193058 | 2101 | physical_layer |= IXGBE_PHYSICAL_LAYER_1000BASE_T; |
6b73e10d | 2102 | if (ext_ability & MDIO_PMA_EXTABLE_100BTX) |
04193058 PWJ |
2103 | physical_layer |= IXGBE_PHYSICAL_LAYER_100BASE_TX; |
2104 | goto out; | |
2105 | } | |
2106 | ||
2107 | switch (autoc & IXGBE_AUTOC_LMS_MASK) { | |
2108 | case IXGBE_AUTOC_LMS_1G_AN: | |
2109 | case IXGBE_AUTOC_LMS_1G_LINK_NO_AN: | |
2110 | if (pma_pmd_1g == IXGBE_AUTOC_1G_KX_BX) { | |
2111 | physical_layer = IXGBE_PHYSICAL_LAYER_1000BASE_KX | | |
2112 | IXGBE_PHYSICAL_LAYER_1000BASE_BX; | |
2113 | goto out; | |
2114 | } else | |
2115 | /* SFI mode so read SFP module */ | |
2116 | goto sfp_check; | |
11afc1b1 | 2117 | break; |
04193058 PWJ |
2118 | case IXGBE_AUTOC_LMS_10G_LINK_NO_AN: |
2119 | if (pma_pmd_10g_parallel == IXGBE_AUTOC_10G_CX4) | |
2120 | physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_CX4; | |
2121 | else if (pma_pmd_10g_parallel == IXGBE_AUTOC_10G_KX4) | |
2122 | physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_KX4; | |
1fcf03e6 PWJ |
2123 | else if (pma_pmd_10g_parallel == IXGBE_AUTOC_10G_XAUI) |
2124 | physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_XAUI; | |
04193058 PWJ |
2125 | goto out; |
2126 | break; | |
2127 | case IXGBE_AUTOC_LMS_10G_SERIAL: | |
2128 | if (pma_pmd_10g_serial == IXGBE_AUTOC2_10G_KR) { | |
2129 | physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_KR; | |
2130 | goto out; | |
2131 | } else if (pma_pmd_10g_serial == IXGBE_AUTOC2_10G_SFI) | |
2132 | goto sfp_check; | |
2133 | break; | |
2134 | case IXGBE_AUTOC_LMS_KX4_KX_KR: | |
2135 | case IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN: | |
2136 | if (autoc & IXGBE_AUTOC_KX_SUPP) | |
2137 | physical_layer |= IXGBE_PHYSICAL_LAYER_1000BASE_KX; | |
2138 | if (autoc & IXGBE_AUTOC_KX4_SUPP) | |
2139 | physical_layer |= IXGBE_PHYSICAL_LAYER_10GBASE_KX4; | |
2140 | if (autoc & IXGBE_AUTOC_KR_SUPP) | |
2141 | physical_layer |= IXGBE_PHYSICAL_LAYER_10GBASE_KR; | |
2142 | goto out; | |
2143 | break; | |
2144 | default: | |
2145 | goto out; | |
2146 | break; | |
2147 | } | |
11afc1b1 | 2148 | |
04193058 PWJ |
2149 | sfp_check: |
2150 | /* SFP check must be done last since DA modules are sometimes used to | |
2151 | * test KR mode - we need to id KR mode correctly before SFP module. | |
2152 | * Call identify_sfp because the pluggable module may have changed */ | |
2153 | hw->phy.ops.identify_sfp(hw); | |
2154 | if (hw->phy.sfp_type == ixgbe_sfp_type_not_present) | |
2155 | goto out; | |
2156 | ||
2157 | switch (hw->phy.type) { | |
2158 | case ixgbe_phy_tw_tyco: | |
2159 | case ixgbe_phy_tw_unknown: | |
2160 | physical_layer = IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU; | |
2161 | break; | |
2162 | case ixgbe_phy_sfp_avago: | |
2163 | case ixgbe_phy_sfp_ftl: | |
2164 | case ixgbe_phy_sfp_intel: | |
2165 | case ixgbe_phy_sfp_unknown: | |
2166 | hw->phy.ops.read_i2c_eeprom(hw, | |
2167 | IXGBE_SFF_10GBE_COMP_CODES, &comp_codes_10g); | |
2168 | if (comp_codes_10g & IXGBE_SFF_10GBASESR_CAPABLE) | |
11afc1b1 | 2169 | physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_SR; |
04193058 | 2170 | else if (comp_codes_10g & IXGBE_SFF_10GBASELR_CAPABLE) |
11afc1b1 | 2171 | physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_LR; |
11afc1b1 PW |
2172 | break; |
2173 | default: | |
11afc1b1 PW |
2174 | break; |
2175 | } | |
2176 | ||
04193058 | 2177 | out: |
11afc1b1 PW |
2178 | return physical_layer; |
2179 | } | |
2180 | ||
2181 | /** | |
2182 | * ixgbe_enable_rx_dma_82599 - Enable the Rx DMA unit on 82599 | |
2183 | * @hw: pointer to hardware structure | |
2184 | * @regval: register value to write to RXCTRL | |
2185 | * | |
2186 | * Enables the Rx DMA unit for 82599 | |
2187 | **/ | |
7b25cdba | 2188 | static s32 ixgbe_enable_rx_dma_82599(struct ixgbe_hw *hw, u32 regval) |
11afc1b1 PW |
2189 | { |
2190 | #define IXGBE_MAX_SECRX_POLL 30 | |
2191 | int i; | |
2192 | int secrxreg; | |
2193 | ||
2194 | /* | |
2195 | * Workaround for 82599 silicon errata when enabling the Rx datapath. | |
2196 | * If traffic is incoming before we enable the Rx unit, it could hang | |
2197 | * the Rx DMA unit. Therefore, make sure the security engine is | |
2198 | * completely disabled prior to enabling the Rx unit. | |
2199 | */ | |
2200 | secrxreg = IXGBE_READ_REG(hw, IXGBE_SECRXCTRL); | |
2201 | secrxreg |= IXGBE_SECRXCTRL_RX_DIS; | |
2202 | IXGBE_WRITE_REG(hw, IXGBE_SECRXCTRL, secrxreg); | |
2203 | for (i = 0; i < IXGBE_MAX_SECRX_POLL; i++) { | |
2204 | secrxreg = IXGBE_READ_REG(hw, IXGBE_SECRXSTAT); | |
2205 | if (secrxreg & IXGBE_SECRXSTAT_SECRX_RDY) | |
2206 | break; | |
2207 | else | |
2208 | udelay(10); | |
2209 | } | |
2210 | ||
2211 | /* For informational purposes only */ | |
2212 | if (i >= IXGBE_MAX_SECRX_POLL) | |
2213 | hw_dbg(hw, "Rx unit being enabled before security " | |
2214 | "path fully disabled. Continuing with init.\n"); | |
2215 | ||
2216 | IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, regval); | |
2217 | secrxreg = IXGBE_READ_REG(hw, IXGBE_SECRXCTRL); | |
2218 | secrxreg &= ~IXGBE_SECRXCTRL_RX_DIS; | |
2219 | IXGBE_WRITE_REG(hw, IXGBE_SECRXCTRL, secrxreg); | |
2220 | IXGBE_WRITE_FLUSH(hw); | |
2221 | ||
2222 | return 0; | |
2223 | } | |
2224 | ||
04193058 PWJ |
2225 | /** |
2226 | * ixgbe_get_device_caps_82599 - Get additional device capabilities | |
2227 | * @hw: pointer to hardware structure | |
2228 | * @device_caps: the EEPROM word with the extra device capabilities | |
2229 | * | |
2230 | * This function will read the EEPROM location for the device capabilities, | |
2231 | * and return the word through device_caps. | |
2232 | **/ | |
7b25cdba | 2233 | static s32 ixgbe_get_device_caps_82599(struct ixgbe_hw *hw, u16 *device_caps) |
04193058 PWJ |
2234 | { |
2235 | hw->eeprom.ops.read(hw, IXGBE_DEVICE_CAPS, device_caps); | |
2236 | ||
2237 | return 0; | |
2238 | } | |
2239 | ||
794caeb2 PWJ |
2240 | /** |
2241 | * ixgbe_verify_fw_version_82599 - verify fw version for 82599 | |
2242 | * @hw: pointer to hardware structure | |
2243 | * | |
2244 | * Verifies that installed the firmware version is 0.6 or higher | |
2245 | * for SFI devices. All 82599 SFI devices should have version 0.6 or higher. | |
2246 | * | |
2247 | * Returns IXGBE_ERR_EEPROM_VERSION if the FW is not present or | |
2248 | * if the FW version is not supported. | |
2249 | **/ | |
2250 | static s32 ixgbe_verify_fw_version_82599(struct ixgbe_hw *hw) | |
2251 | { | |
2252 | s32 status = IXGBE_ERR_EEPROM_VERSION; | |
2253 | u16 fw_offset, fw_ptp_cfg_offset; | |
2254 | u16 fw_version = 0; | |
2255 | ||
2256 | /* firmware check is only necessary for SFI devices */ | |
2257 | if (hw->phy.media_type != ixgbe_media_type_fiber) { | |
2258 | status = 0; | |
2259 | goto fw_version_out; | |
2260 | } | |
2261 | ||
2262 | /* get the offset to the Firmware Module block */ | |
2263 | hw->eeprom.ops.read(hw, IXGBE_FW_PTR, &fw_offset); | |
2264 | ||
2265 | if ((fw_offset == 0) || (fw_offset == 0xFFFF)) | |
2266 | goto fw_version_out; | |
2267 | ||
2268 | /* get the offset to the Pass Through Patch Configuration block */ | |
2269 | hw->eeprom.ops.read(hw, (fw_offset + | |
2270 | IXGBE_FW_PASSTHROUGH_PATCH_CONFIG_PTR), | |
2271 | &fw_ptp_cfg_offset); | |
2272 | ||
2273 | if ((fw_ptp_cfg_offset == 0) || (fw_ptp_cfg_offset == 0xFFFF)) | |
2274 | goto fw_version_out; | |
2275 | ||
2276 | /* get the firmware version */ | |
2277 | hw->eeprom.ops.read(hw, (fw_ptp_cfg_offset + | |
2278 | IXGBE_FW_PATCH_VERSION_4), | |
2279 | &fw_version); | |
2280 | ||
2281 | if (fw_version > 0x5) | |
2282 | status = 0; | |
2283 | ||
2284 | fw_version_out: | |
2285 | return status; | |
2286 | } | |
2287 | ||
383ff34b YZ |
2288 | /** |
2289 | * ixgbe_get_wwn_prefix_82599 - Get alternative WWNN/WWPN prefix from | |
2290 | * the EEPROM | |
2291 | * @hw: pointer to hardware structure | |
2292 | * @wwnn_prefix: the alternative WWNN prefix | |
2293 | * @wwpn_prefix: the alternative WWPN prefix | |
2294 | * | |
2295 | * This function will read the EEPROM from the alternative SAN MAC address | |
2296 | * block to check the support for the alternative WWNN/WWPN prefix support. | |
2297 | **/ | |
2298 | static s32 ixgbe_get_wwn_prefix_82599(struct ixgbe_hw *hw, u16 *wwnn_prefix, | |
2299 | u16 *wwpn_prefix) | |
2300 | { | |
2301 | u16 offset, caps; | |
2302 | u16 alt_san_mac_blk_offset; | |
2303 | ||
2304 | /* clear output first */ | |
2305 | *wwnn_prefix = 0xFFFF; | |
2306 | *wwpn_prefix = 0xFFFF; | |
2307 | ||
2308 | /* check if alternative SAN MAC is supported */ | |
2309 | hw->eeprom.ops.read(hw, IXGBE_ALT_SAN_MAC_ADDR_BLK_PTR, | |
2310 | &alt_san_mac_blk_offset); | |
2311 | ||
2312 | if ((alt_san_mac_blk_offset == 0) || | |
2313 | (alt_san_mac_blk_offset == 0xFFFF)) | |
2314 | goto wwn_prefix_out; | |
2315 | ||
2316 | /* check capability in alternative san mac address block */ | |
2317 | offset = alt_san_mac_blk_offset + IXGBE_ALT_SAN_MAC_ADDR_CAPS_OFFSET; | |
2318 | hw->eeprom.ops.read(hw, offset, &caps); | |
2319 | if (!(caps & IXGBE_ALT_SAN_MAC_ADDR_CAPS_ALTWWN)) | |
2320 | goto wwn_prefix_out; | |
2321 | ||
2322 | /* get the corresponding prefix for WWNN/WWPN */ | |
2323 | offset = alt_san_mac_blk_offset + IXGBE_ALT_SAN_MAC_ADDR_WWNN_OFFSET; | |
2324 | hw->eeprom.ops.read(hw, offset, wwnn_prefix); | |
2325 | ||
2326 | offset = alt_san_mac_blk_offset + IXGBE_ALT_SAN_MAC_ADDR_WWPN_OFFSET; | |
2327 | hw->eeprom.ops.read(hw, offset, wwpn_prefix); | |
2328 | ||
2329 | wwn_prefix_out: | |
2330 | return 0; | |
2331 | } | |
2332 | ||
11afc1b1 PW |
2333 | static struct ixgbe_mac_operations mac_ops_82599 = { |
2334 | .init_hw = &ixgbe_init_hw_generic, | |
2335 | .reset_hw = &ixgbe_reset_hw_82599, | |
2336 | .start_hw = &ixgbe_start_hw_82599, | |
2337 | .clear_hw_cntrs = &ixgbe_clear_hw_cntrs_generic, | |
2338 | .get_media_type = &ixgbe_get_media_type_82599, | |
2339 | .get_supported_physical_layer = &ixgbe_get_supported_physical_layer_82599, | |
2340 | .enable_rx_dma = &ixgbe_enable_rx_dma_82599, | |
2341 | .get_mac_addr = &ixgbe_get_mac_addr_generic, | |
21ce849b | 2342 | .get_san_mac_addr = &ixgbe_get_san_mac_addr_generic, |
04193058 | 2343 | .get_device_caps = &ixgbe_get_device_caps_82599, |
383ff34b | 2344 | .get_wwn_prefix = &ixgbe_get_wwn_prefix_82599, |
11afc1b1 PW |
2345 | .stop_adapter = &ixgbe_stop_adapter_generic, |
2346 | .get_bus_info = &ixgbe_get_bus_info_generic, | |
2347 | .set_lan_id = &ixgbe_set_lan_id_multi_port_pcie, | |
2348 | .read_analog_reg8 = &ixgbe_read_analog_reg8_82599, | |
2349 | .write_analog_reg8 = &ixgbe_write_analog_reg8_82599, | |
2350 | .setup_link = &ixgbe_setup_mac_link_82599, | |
21ce849b | 2351 | .check_link = &ixgbe_check_mac_link_generic, |
11afc1b1 PW |
2352 | .get_link_capabilities = &ixgbe_get_link_capabilities_82599, |
2353 | .led_on = &ixgbe_led_on_generic, | |
2354 | .led_off = &ixgbe_led_off_generic, | |
87c12017 PW |
2355 | .blink_led_start = &ixgbe_blink_led_start_generic, |
2356 | .blink_led_stop = &ixgbe_blink_led_stop_generic, | |
11afc1b1 PW |
2357 | .set_rar = &ixgbe_set_rar_generic, |
2358 | .clear_rar = &ixgbe_clear_rar_generic, | |
21ce849b MC |
2359 | .set_vmdq = &ixgbe_set_vmdq_generic, |
2360 | .clear_vmdq = &ixgbe_clear_vmdq_generic, | |
11afc1b1 PW |
2361 | .init_rx_addrs = &ixgbe_init_rx_addrs_generic, |
2362 | .update_uc_addr_list = &ixgbe_update_uc_addr_list_generic, | |
2363 | .update_mc_addr_list = &ixgbe_update_mc_addr_list_generic, | |
2364 | .enable_mc = &ixgbe_enable_mc_generic, | |
2365 | .disable_mc = &ixgbe_disable_mc_generic, | |
21ce849b MC |
2366 | .clear_vfta = &ixgbe_clear_vfta_generic, |
2367 | .set_vfta = &ixgbe_set_vfta_generic, | |
2368 | .fc_enable = &ixgbe_fc_enable_generic, | |
2369 | .init_uta_tables = &ixgbe_init_uta_tables_generic, | |
11afc1b1 PW |
2370 | .setup_sfp = &ixgbe_setup_sfp_modules_82599, |
2371 | }; | |
2372 | ||
2373 | static struct ixgbe_eeprom_operations eeprom_ops_82599 = { | |
2374 | .init_params = &ixgbe_init_eeprom_params_generic, | |
21ce849b | 2375 | .read = &ixgbe_read_eerd_generic, |
11afc1b1 PW |
2376 | .write = &ixgbe_write_eeprom_generic, |
2377 | .validate_checksum = &ixgbe_validate_eeprom_checksum_generic, | |
2378 | .update_checksum = &ixgbe_update_eeprom_checksum_generic, | |
2379 | }; | |
2380 | ||
2381 | static struct ixgbe_phy_operations phy_ops_82599 = { | |
2382 | .identify = &ixgbe_identify_phy_82599, | |
2383 | .identify_sfp = &ixgbe_identify_sfp_module_generic, | |
21ce849b | 2384 | .init = &ixgbe_init_phy_ops_82599, |
11afc1b1 PW |
2385 | .reset = &ixgbe_reset_phy_generic, |
2386 | .read_reg = &ixgbe_read_phy_reg_generic, | |
2387 | .write_reg = &ixgbe_write_phy_reg_generic, | |
2388 | .setup_link = &ixgbe_setup_phy_link_generic, | |
2389 | .setup_link_speed = &ixgbe_setup_phy_link_speed_generic, | |
2390 | .read_i2c_byte = &ixgbe_read_i2c_byte_generic, | |
2391 | .write_i2c_byte = &ixgbe_write_i2c_byte_generic, | |
2392 | .read_i2c_eeprom = &ixgbe_read_i2c_eeprom_generic, | |
2393 | .write_i2c_eeprom = &ixgbe_write_i2c_eeprom_generic, | |
2394 | }; | |
2395 | ||
2396 | struct ixgbe_info ixgbe_82599_info = { | |
2397 | .mac = ixgbe_mac_82599EB, | |
2398 | .get_invariants = &ixgbe_get_invariants_82599, | |
2399 | .mac_ops = &mac_ops_82599, | |
2400 | .eeprom_ops = &eeprom_ops_82599, | |
2401 | .phy_ops = &phy_ops_82599, | |
096a58fd | 2402 | .mbx_ops = &mbx_ops_82599, |
11afc1b1 | 2403 | }; |