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6064 ixgbe needs X550 support
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--- old/usr/src/uts/common/io/ixgbe/core/ixgbe_82599.c
+++ new/usr/src/uts/common/io/ixgbe/core/ixgbe_82599.c
1 1 /******************************************************************************
2 2
3 - Copyright (c) 2001-2012, Intel Corporation
3 + Copyright (c) 2001-2015, Intel Corporation
4 4 All rights reserved.
5 5
6 6 Redistribution and use in source and binary forms, with or without
7 7 modification, are permitted provided that the following conditions are met:
8 8
9 9 1. Redistributions of source code must retain the above copyright notice,
10 10 this list of conditions and the following disclaimer.
11 11
12 12 2. Redistributions in binary form must reproduce the above copyright
13 13 notice, this list of conditions and the following disclaimer in the
14 14 documentation and/or other materials provided with the distribution.
15 15
16 16 3. Neither the name of the Intel Corporation nor the names of its
17 17 contributors may be used to endorse or promote products derived from
18 18 this software without specific prior written permission.
19 19
20 20 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 21 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 22 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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23 23 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24 24 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 25 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 26 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 27 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 28 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 29 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 30 POSSIBILITY OF SUCH DAMAGE.
31 31
32 32 ******************************************************************************/
33 -/*$FreeBSD: src/sys/dev/ixgbe/ixgbe_82599.c,v 1.8 2012/07/05 20:51:44 jfv Exp $*/
33 +/*$FreeBSD$*/
34 34
35 35 #include "ixgbe_type.h"
36 36 #include "ixgbe_82599.h"
37 37 #include "ixgbe_api.h"
38 38 #include "ixgbe_common.h"
39 39 #include "ixgbe_phy.h"
40 40
41 +#define IXGBE_82599_MAX_TX_QUEUES 128
42 +#define IXGBE_82599_MAX_RX_QUEUES 128
43 +#define IXGBE_82599_RAR_ENTRIES 128
44 +#define IXGBE_82599_MC_TBL_SIZE 128
45 +#define IXGBE_82599_VFT_TBL_SIZE 128
46 +#define IXGBE_82599_RX_PB_SIZE 512
47 +
41 48 static s32 ixgbe_setup_copper_link_82599(struct ixgbe_hw *hw,
42 49 ixgbe_link_speed speed,
43 - bool autoneg,
44 50 bool autoneg_wait_to_complete);
45 51 static s32 ixgbe_verify_fw_version_82599(struct ixgbe_hw *hw);
46 52 static s32 ixgbe_read_eeprom_82599(struct ixgbe_hw *hw,
47 53 u16 offset, u16 *data);
48 54 static s32 ixgbe_read_eeprom_buffer_82599(struct ixgbe_hw *hw, u16 offset,
49 55 u16 words, u16 *data);
56 +static s32 ixgbe_read_i2c_byte_82599(struct ixgbe_hw *hw, u8 byte_offset,
57 + u8 dev_addr, u8 *data);
58 +static s32 ixgbe_write_i2c_byte_82599(struct ixgbe_hw *hw, u8 byte_offset,
59 + u8 dev_addr, u8 data);
50 60
51 61 void ixgbe_init_mac_link_ops_82599(struct ixgbe_hw *hw)
52 62 {
53 63 struct ixgbe_mac_info *mac = &hw->mac;
54 64
55 65 DEBUGFUNC("ixgbe_init_mac_link_ops_82599");
56 66
57 - /* enable the laser control functions for SFP+ fiber */
58 - if (mac->ops.get_media_type(hw) == ixgbe_media_type_fiber) {
67 + /*
68 + * enable the laser control functions for SFP+ fiber
69 + * and MNG not enabled
70 + */
71 + if ((mac->ops.get_media_type(hw) == ixgbe_media_type_fiber) &&
72 + !ixgbe_mng_enabled(hw)) {
59 73 mac->ops.disable_tx_laser =
60 - &ixgbe_disable_tx_laser_multispeed_fiber;
74 + ixgbe_disable_tx_laser_multispeed_fiber;
61 75 mac->ops.enable_tx_laser =
62 - &ixgbe_enable_tx_laser_multispeed_fiber;
63 - mac->ops.flap_tx_laser = &ixgbe_flap_tx_laser_multispeed_fiber;
76 + ixgbe_enable_tx_laser_multispeed_fiber;
77 + mac->ops.flap_tx_laser = ixgbe_flap_tx_laser_multispeed_fiber;
64 78
65 79 } else {
66 80 mac->ops.disable_tx_laser = NULL;
67 81 mac->ops.enable_tx_laser = NULL;
68 82 mac->ops.flap_tx_laser = NULL;
69 83 }
70 84
71 85 if (hw->phy.multispeed_fiber) {
72 86 /* Set up dual speed SFP+ support */
73 - mac->ops.setup_link = &ixgbe_setup_mac_link_multispeed_fiber;
87 + mac->ops.setup_link = ixgbe_setup_mac_link_multispeed_fiber;
88 + mac->ops.setup_mac_link = ixgbe_setup_mac_link_82599;
89 + mac->ops.set_rate_select_speed =
90 + ixgbe_set_hard_rate_select_speed;
91 + if (ixgbe_get_media_type(hw) == ixgbe_media_type_fiber_fixed)
92 + mac->ops.set_rate_select_speed =
93 + ixgbe_set_soft_rate_select_speed;
74 94 } else {
75 95 if ((ixgbe_get_media_type(hw) == ixgbe_media_type_backplane) &&
76 96 (hw->phy.smart_speed == ixgbe_smart_speed_auto ||
77 97 hw->phy.smart_speed == ixgbe_smart_speed_on) &&
78 98 !ixgbe_verify_lesm_fw_enabled_82599(hw)) {
79 - mac->ops.setup_link = &ixgbe_setup_mac_link_smartspeed;
99 + mac->ops.setup_link = ixgbe_setup_mac_link_smartspeed;
80 100 } else {
81 - mac->ops.setup_link = &ixgbe_setup_mac_link_82599;
101 + mac->ops.setup_link = ixgbe_setup_mac_link_82599;
82 102 }
83 103 }
84 104 }
85 105
86 106 /**
87 107 * ixgbe_init_phy_ops_82599 - PHY/SFP specific init
88 108 * @hw: pointer to hardware structure
89 109 *
90 110 * Initialize any function pointers that were not able to be
91 111 * set during init_shared_code because the PHY/SFP type was
92 112 * not known. Perform the SFP init if necessary.
93 113 *
94 114 **/
95 115 s32 ixgbe_init_phy_ops_82599(struct ixgbe_hw *hw)
96 116 {
97 117 struct ixgbe_mac_info *mac = &hw->mac;
98 118 struct ixgbe_phy_info *phy = &hw->phy;
99 119 s32 ret_val = IXGBE_SUCCESS;
120 + u32 esdp;
100 121
101 122 DEBUGFUNC("ixgbe_init_phy_ops_82599");
102 123
124 + if (hw->device_id == IXGBE_DEV_ID_82599_QSFP_SF_QP) {
125 + /* Store flag indicating I2C bus access control unit. */
126 + hw->phy.qsfp_shared_i2c_bus = TRUE;
127 +
128 + /* Initialize access to QSFP+ I2C bus */
129 + esdp = IXGBE_READ_REG(hw, IXGBE_ESDP);
130 + esdp |= IXGBE_ESDP_SDP0_DIR;
131 + esdp &= ~IXGBE_ESDP_SDP1_DIR;
132 + esdp &= ~IXGBE_ESDP_SDP0;
133 + esdp &= ~IXGBE_ESDP_SDP0_NATIVE;
134 + esdp &= ~IXGBE_ESDP_SDP1_NATIVE;
135 + IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp);
136 + IXGBE_WRITE_FLUSH(hw);
137 +
138 + phy->ops.read_i2c_byte = ixgbe_read_i2c_byte_82599;
139 + phy->ops.write_i2c_byte = ixgbe_write_i2c_byte_82599;
140 + }
103 141 /* Identify the PHY or SFP module */
104 142 ret_val = phy->ops.identify(hw);
105 143 if (ret_val == IXGBE_ERR_SFP_NOT_SUPPORTED)
106 144 goto init_phy_ops_out;
107 145
108 146 /* Setup function pointers based on detected SFP module and speeds */
109 147 ixgbe_init_mac_link_ops_82599(hw);
110 148 if (hw->phy.sfp_type != ixgbe_sfp_type_unknown)
111 149 hw->phy.ops.reset = NULL;
112 150
113 151 /* If copper media, overwrite with copper function pointers */
114 152 if (mac->ops.get_media_type(hw) == ixgbe_media_type_copper) {
115 - mac->ops.setup_link = &ixgbe_setup_copper_link_82599;
153 + mac->ops.setup_link = ixgbe_setup_copper_link_82599;
116 154 mac->ops.get_link_capabilities =
117 - &ixgbe_get_copper_link_capabilities_generic;
155 + ixgbe_get_copper_link_capabilities_generic;
118 156 }
119 157
120 - /* Set necessary function pointers based on phy type */
158 + /* Set necessary function pointers based on PHY type */
121 159 switch (hw->phy.type) {
122 160 case ixgbe_phy_tn:
123 - phy->ops.setup_link = &ixgbe_setup_phy_link_tnx;
124 - phy->ops.check_link = &ixgbe_check_phy_link_tnx;
161 + phy->ops.setup_link = ixgbe_setup_phy_link_tnx;
162 + phy->ops.check_link = ixgbe_check_phy_link_tnx;
125 163 phy->ops.get_firmware_version =
126 - &ixgbe_get_phy_firmware_version_tnx;
164 + ixgbe_get_phy_firmware_version_tnx;
127 165 break;
128 166 default:
129 167 break;
130 168 }
131 169 init_phy_ops_out:
132 170 return ret_val;
133 171 }
134 172
135 173 s32 ixgbe_setup_sfp_modules_82599(struct ixgbe_hw *hw)
136 174 {
137 175 s32 ret_val = IXGBE_SUCCESS;
138 - u32 reg_anlp1 = 0;
139 - u32 i = 0;
140 176 u16 list_offset, data_offset, data_value;
141 177
142 178 DEBUGFUNC("ixgbe_setup_sfp_modules_82599");
143 179
144 180 if (hw->phy.sfp_type != ixgbe_sfp_type_unknown) {
145 181 ixgbe_init_mac_link_ops_82599(hw);
146 182
147 183 hw->phy.ops.reset = NULL;
148 184
149 185 ret_val = ixgbe_get_sfp_init_sequence_offsets(hw, &list_offset,
150 186 &data_offset);
151 187 if (ret_val != IXGBE_SUCCESS)
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152 188 goto setup_sfp_out;
153 189
154 190 /* PHY config will finish before releasing the semaphore */
155 191 ret_val = hw->mac.ops.acquire_swfw_sync(hw,
156 192 IXGBE_GSSR_MAC_CSR_SM);
157 193 if (ret_val != IXGBE_SUCCESS) {
158 194 ret_val = IXGBE_ERR_SWFW_SYNC;
159 195 goto setup_sfp_out;
160 196 }
161 197
162 - hw->eeprom.ops.read(hw, ++data_offset, &data_value);
198 + if (hw->eeprom.ops.read(hw, ++data_offset, &data_value))
199 + goto setup_sfp_err;
163 200 while (data_value != 0xffff) {
164 201 IXGBE_WRITE_REG(hw, IXGBE_CORECTL, data_value);
165 202 IXGBE_WRITE_FLUSH(hw);
166 - hw->eeprom.ops.read(hw, ++data_offset, &data_value);
203 + if (hw->eeprom.ops.read(hw, ++data_offset, &data_value))
204 + goto setup_sfp_err;
167 205 }
168 206
169 207 /* Release the semaphore */
170 208 hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_MAC_CSR_SM);
171 - /* Delay obtaining semaphore again to allow FW access */
209 + /* Delay obtaining semaphore again to allow FW access
210 + * prot_autoc_write uses the semaphore too.
211 + */
172 212 msec_delay(hw->eeprom.semaphore_delay);
173 213
174 - /* Now restart DSP by setting Restart_AN and clearing LMS */
175 - IXGBE_WRITE_REG(hw, IXGBE_AUTOC, ((IXGBE_READ_REG(hw,
176 - IXGBE_AUTOC) & ~IXGBE_AUTOC_LMS_MASK) |
177 - IXGBE_AUTOC_AN_RESTART));
214 + /* Restart DSP and set SFI mode */
215 + ret_val = hw->mac.ops.prot_autoc_write(hw,
216 + hw->mac.orig_autoc | IXGBE_AUTOC_LMS_10G_SERIAL,
217 + FALSE);
178 218
179 - /* Wait for AN to leave state 0 */
180 - for (i = 0; i < 10; i++) {
181 - msec_delay(4);
182 - reg_anlp1 = IXGBE_READ_REG(hw, IXGBE_ANLP1);
183 - if (reg_anlp1 & IXGBE_ANLP1_AN_STATE_MASK)
184 - break;
185 - }
186 - if (!(reg_anlp1 & IXGBE_ANLP1_AN_STATE_MASK)) {
219 + if (ret_val) {
187 220 DEBUGOUT("sfp module setup not complete\n");
188 221 ret_val = IXGBE_ERR_SFP_SETUP_NOT_COMPLETE;
189 222 goto setup_sfp_out;
190 223 }
191 224
192 - /* Restart DSP by setting Restart_AN and return to SFI mode */
193 - IXGBE_WRITE_REG(hw, IXGBE_AUTOC, (IXGBE_READ_REG(hw,
194 - IXGBE_AUTOC) | IXGBE_AUTOC_LMS_10G_SERIAL |
195 - IXGBE_AUTOC_AN_RESTART));
196 225 }
197 226
198 227 setup_sfp_out:
199 228 return ret_val;
229 +
230 +setup_sfp_err:
231 + /* Release the semaphore */
232 + hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_MAC_CSR_SM);
233 + /* Delay obtaining semaphore again to allow FW access */
234 + msec_delay(hw->eeprom.semaphore_delay);
235 + ERROR_REPORT2(IXGBE_ERROR_INVALID_STATE,
236 + "eeprom read at offset %d failed", data_offset);
237 + return IXGBE_ERR_PHY;
200 238 }
201 239
202 240 /**
241 + * prot_autoc_read_82599 - Hides MAC differences needed for AUTOC read
242 + * @hw: pointer to hardware structure
243 + * @locked: Return the if we locked for this read.
244 + * @reg_val: Value we read from AUTOC
245 + *
246 + * For this part (82599) we need to wrap read-modify-writes with a possible
247 + * FW/SW lock. It is assumed this lock will be freed with the next
248 + * prot_autoc_write_82599().
249 + */
250 +s32 prot_autoc_read_82599(struct ixgbe_hw *hw, bool *locked, u32 *reg_val)
251 +{
252 + s32 ret_val;
253 +
254 + *locked = FALSE;
255 + /* If LESM is on then we need to hold the SW/FW semaphore. */
256 + if (ixgbe_verify_lesm_fw_enabled_82599(hw)) {
257 + ret_val = hw->mac.ops.acquire_swfw_sync(hw,
258 + IXGBE_GSSR_MAC_CSR_SM);
259 + if (ret_val != IXGBE_SUCCESS)
260 + return IXGBE_ERR_SWFW_SYNC;
261 +
262 + *locked = TRUE;
263 + }
264 +
265 + *reg_val = IXGBE_READ_REG(hw, IXGBE_AUTOC);
266 + return IXGBE_SUCCESS;
267 +}
268 +
269 +/**
270 + * prot_autoc_write_82599 - Hides MAC differences needed for AUTOC write
271 + * @hw: pointer to hardware structure
272 + * @reg_val: value to write to AUTOC
273 + * @locked: bool to indicate whether the SW/FW lock was already taken by
274 + * previous proc_autoc_read_82599.
275 + *
276 + * This part (82599) may need to hold the SW/FW lock around all writes to
277 + * AUTOC. Likewise after a write we need to do a pipeline reset.
278 + */
279 +s32 prot_autoc_write_82599(struct ixgbe_hw *hw, u32 autoc, bool locked)
280 +{
281 + s32 ret_val = IXGBE_SUCCESS;
282 +
283 + /* Blocked by MNG FW so bail */
284 + if (ixgbe_check_reset_blocked(hw))
285 + goto out;
286 +
287 + /* We only need to get the lock if:
288 + * - We didn't do it already (in the read part of a read-modify-write)
289 + * - LESM is enabled.
290 + */
291 + if (!locked && ixgbe_verify_lesm_fw_enabled_82599(hw)) {
292 + ret_val = hw->mac.ops.acquire_swfw_sync(hw,
293 + IXGBE_GSSR_MAC_CSR_SM);
294 + if (ret_val != IXGBE_SUCCESS)
295 + return IXGBE_ERR_SWFW_SYNC;
296 +
297 + locked = TRUE;
298 + }
299 +
300 + IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc);
301 + ret_val = ixgbe_reset_pipeline_82599(hw);
302 +
303 +out:
304 + /* Free the SW/FW semaphore as we either grabbed it here or
305 + * already had it when this function was called.
306 + */
307 + if (locked)
308 + hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_MAC_CSR_SM);
309 +
310 + return ret_val;
311 +}
312 +
313 +/**
203 314 * ixgbe_init_ops_82599 - Inits func ptrs and MAC type
204 315 * @hw: pointer to hardware structure
205 316 *
206 317 * Initialize the function pointers and assign the MAC type for 82599.
207 318 * Does not touch the hardware.
208 319 **/
209 320
210 321 s32 ixgbe_init_ops_82599(struct ixgbe_hw *hw)
211 322 {
212 323 struct ixgbe_mac_info *mac = &hw->mac;
213 324 struct ixgbe_phy_info *phy = &hw->phy;
214 325 struct ixgbe_eeprom_info *eeprom = &hw->eeprom;
215 326 s32 ret_val;
216 327
217 328 DEBUGFUNC("ixgbe_init_ops_82599");
218 329
219 - ret_val = ixgbe_init_phy_ops_generic(hw);
330 + ixgbe_init_phy_ops_generic(hw);
220 331 ret_val = ixgbe_init_ops_generic(hw);
221 332
222 333 /* PHY */
223 - phy->ops.identify = &ixgbe_identify_phy_82599;
224 - phy->ops.init = &ixgbe_init_phy_ops_82599;
334 + phy->ops.identify = ixgbe_identify_phy_82599;
335 + phy->ops.init = ixgbe_init_phy_ops_82599;
225 336
226 337 /* MAC */
227 - mac->ops.reset_hw = &ixgbe_reset_hw_82599;
228 - mac->ops.enable_relaxed_ordering = &ixgbe_enable_relaxed_ordering_gen2;
229 - mac->ops.get_media_type = &ixgbe_get_media_type_82599;
338 + mac->ops.reset_hw = ixgbe_reset_hw_82599;
339 + mac->ops.enable_relaxed_ordering = ixgbe_enable_relaxed_ordering_gen2;
340 + mac->ops.get_media_type = ixgbe_get_media_type_82599;
230 341 mac->ops.get_supported_physical_layer =
231 - &ixgbe_get_supported_physical_layer_82599;
232 - mac->ops.disable_sec_rx_path = &ixgbe_disable_sec_rx_path_generic;
233 - mac->ops.enable_sec_rx_path = &ixgbe_enable_sec_rx_path_generic;
234 - mac->ops.enable_rx_dma = &ixgbe_enable_rx_dma_82599;
235 - mac->ops.read_analog_reg8 = &ixgbe_read_analog_reg8_82599;
236 - mac->ops.write_analog_reg8 = &ixgbe_write_analog_reg8_82599;
237 - mac->ops.start_hw = &ixgbe_start_hw_82599;
238 - mac->ops.get_san_mac_addr = &ixgbe_get_san_mac_addr_generic;
239 - mac->ops.set_san_mac_addr = &ixgbe_set_san_mac_addr_generic;
240 - mac->ops.get_device_caps = &ixgbe_get_device_caps_generic;
241 - mac->ops.get_wwn_prefix = &ixgbe_get_wwn_prefix_generic;
242 - mac->ops.get_fcoe_boot_status = &ixgbe_get_fcoe_boot_status_generic;
342 + ixgbe_get_supported_physical_layer_82599;
343 + mac->ops.disable_sec_rx_path = ixgbe_disable_sec_rx_path_generic;
344 + mac->ops.enable_sec_rx_path = ixgbe_enable_sec_rx_path_generic;
345 + mac->ops.enable_rx_dma = ixgbe_enable_rx_dma_82599;
346 + mac->ops.read_analog_reg8 = ixgbe_read_analog_reg8_82599;
347 + mac->ops.write_analog_reg8 = ixgbe_write_analog_reg8_82599;
348 + mac->ops.start_hw = ixgbe_start_hw_82599;
349 + mac->ops.get_san_mac_addr = ixgbe_get_san_mac_addr_generic;
350 + mac->ops.set_san_mac_addr = ixgbe_set_san_mac_addr_generic;
351 + mac->ops.get_device_caps = ixgbe_get_device_caps_generic;
352 + mac->ops.get_wwn_prefix = ixgbe_get_wwn_prefix_generic;
353 + mac->ops.get_fcoe_boot_status = ixgbe_get_fcoe_boot_status_generic;
354 + mac->ops.prot_autoc_read = prot_autoc_read_82599;
355 + mac->ops.prot_autoc_write = prot_autoc_write_82599;
243 356
244 357 /* RAR, Multicast, VLAN */
245 - mac->ops.set_vmdq = &ixgbe_set_vmdq_generic;
246 - mac->ops.set_vmdq_san_mac = &ixgbe_set_vmdq_san_mac_generic;
247 - mac->ops.clear_vmdq = &ixgbe_clear_vmdq_generic;
248 - mac->ops.insert_mac_addr = &ixgbe_insert_mac_addr_generic;
358 + mac->ops.set_vmdq = ixgbe_set_vmdq_generic;
359 + mac->ops.set_vmdq_san_mac = ixgbe_set_vmdq_san_mac_generic;
360 + mac->ops.clear_vmdq = ixgbe_clear_vmdq_generic;
361 + mac->ops.insert_mac_addr = ixgbe_insert_mac_addr_generic;
249 362 mac->rar_highwater = 1;
250 - mac->ops.set_vfta = &ixgbe_set_vfta_generic;
251 - mac->ops.set_vlvf = &ixgbe_set_vlvf_generic;
252 - mac->ops.clear_vfta = &ixgbe_clear_vfta_generic;
253 - mac->ops.init_uta_tables = &ixgbe_init_uta_tables_generic;
254 - mac->ops.setup_sfp = &ixgbe_setup_sfp_modules_82599;
255 - mac->ops.set_mac_anti_spoofing = &ixgbe_set_mac_anti_spoofing;
256 - mac->ops.set_vlan_anti_spoofing = &ixgbe_set_vlan_anti_spoofing;
363 + mac->ops.set_vfta = ixgbe_set_vfta_generic;
364 + mac->ops.set_vlvf = ixgbe_set_vlvf_generic;
365 + mac->ops.clear_vfta = ixgbe_clear_vfta_generic;
366 + mac->ops.init_uta_tables = ixgbe_init_uta_tables_generic;
367 + mac->ops.setup_sfp = ixgbe_setup_sfp_modules_82599;
368 + mac->ops.set_mac_anti_spoofing = ixgbe_set_mac_anti_spoofing;
369 + mac->ops.set_vlan_anti_spoofing = ixgbe_set_vlan_anti_spoofing;
257 370
258 371 /* Link */
259 - mac->ops.get_link_capabilities = &ixgbe_get_link_capabilities_82599;
260 - mac->ops.check_link = &ixgbe_check_mac_link_generic;
261 - mac->ops.setup_rxpba = &ixgbe_set_rxpba_generic;
372 + mac->ops.get_link_capabilities = ixgbe_get_link_capabilities_82599;
373 + mac->ops.check_link = ixgbe_check_mac_link_generic;
374 + mac->ops.setup_rxpba = ixgbe_set_rxpba_generic;
262 375 ixgbe_init_mac_link_ops_82599(hw);
263 376
264 - mac->mcft_size = 128;
265 - mac->vft_size = 128;
266 - mac->num_rar_entries = 128;
267 - mac->rx_pb_size = 512;
268 - mac->max_tx_queues = 128;
269 - mac->max_rx_queues = 128;
377 + mac->mcft_size = IXGBE_82599_MC_TBL_SIZE;
378 + mac->vft_size = IXGBE_82599_VFT_TBL_SIZE;
379 + mac->num_rar_entries = IXGBE_82599_RAR_ENTRIES;
380 + mac->rx_pb_size = IXGBE_82599_RX_PB_SIZE;
381 + mac->max_rx_queues = IXGBE_82599_MAX_RX_QUEUES;
382 + mac->max_tx_queues = IXGBE_82599_MAX_TX_QUEUES;
270 383 mac->max_msix_vectors = ixgbe_get_pcie_msix_count_generic(hw);
271 384
272 - mac->arc_subsystem_valid = (IXGBE_READ_REG(hw, IXGBE_FWSM) &
273 - IXGBE_FWSM_MODE_MASK) ? TRUE : FALSE;
385 + mac->arc_subsystem_valid = !!(IXGBE_READ_REG(hw, IXGBE_FWSM_BY_MAC(hw))
386 + & IXGBE_FWSM_MODE_MASK);
274 387
275 388 hw->mbx.ops.init_params = ixgbe_init_mbx_params_pf;
276 389
277 390 /* EEPROM */
278 - eeprom->ops.read = &ixgbe_read_eeprom_82599;
279 - eeprom->ops.read_buffer = &ixgbe_read_eeprom_buffer_82599;
391 + eeprom->ops.read = ixgbe_read_eeprom_82599;
392 + eeprom->ops.read_buffer = ixgbe_read_eeprom_buffer_82599;
280 393
281 394 /* Manageability interface */
282 - mac->ops.set_fw_drv_ver = &ixgbe_set_fw_drv_ver_generic;
395 + mac->ops.set_fw_drv_ver = ixgbe_set_fw_drv_ver_generic;
283 396
284 397
398 + mac->ops.get_rtrup2tc = ixgbe_dcb_get_rtrup2tc_generic;
399 +
285 400 return ret_val;
286 401 }
287 402
288 403 /**
289 404 * ixgbe_get_link_capabilities_82599 - Determines link capabilities
290 405 * @hw: pointer to hardware structure
291 406 * @speed: pointer to link speed
292 - * @negotiation: TRUE when autoneg or autotry is enabled
407 + * @autoneg: TRUE when autoneg or autotry is enabled
293 408 *
294 409 * Determines the link capabilities by reading the AUTOC register.
295 410 **/
296 411 s32 ixgbe_get_link_capabilities_82599(struct ixgbe_hw *hw,
297 412 ixgbe_link_speed *speed,
298 - bool *negotiation)
413 + bool *autoneg)
299 414 {
300 415 s32 status = IXGBE_SUCCESS;
301 416 u32 autoc = 0;
302 417
303 418 DEBUGFUNC("ixgbe_get_link_capabilities_82599");
304 419
305 420
306 421 /* Check if 1G SFP module. */
307 422 if (hw->phy.sfp_type == ixgbe_sfp_type_1g_cu_core0 ||
308 423 hw->phy.sfp_type == ixgbe_sfp_type_1g_cu_core1 ||
309 424 hw->phy.sfp_type == ixgbe_sfp_type_1g_lx_core0 ||
310 425 hw->phy.sfp_type == ixgbe_sfp_type_1g_lx_core1 ||
311 426 hw->phy.sfp_type == ixgbe_sfp_type_1g_sx_core0 ||
312 427 hw->phy.sfp_type == ixgbe_sfp_type_1g_sx_core1) {
313 428 *speed = IXGBE_LINK_SPEED_1GB_FULL;
314 - *negotiation = TRUE;
429 + *autoneg = TRUE;
315 430 goto out;
316 431 }
317 432
318 433 /*
319 434 * Determine link capabilities based on the stored value of AUTOC,
320 435 * which represents EEPROM defaults. If AUTOC value has not
321 436 * been stored, use the current register values.
322 437 */
323 438 if (hw->mac.orig_link_settings_stored)
324 439 autoc = hw->mac.orig_autoc;
325 440 else
326 441 autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
327 442
328 443 switch (autoc & IXGBE_AUTOC_LMS_MASK) {
329 444 case IXGBE_AUTOC_LMS_1G_LINK_NO_AN:
330 445 *speed = IXGBE_LINK_SPEED_1GB_FULL;
331 - *negotiation = FALSE;
446 + *autoneg = FALSE;
332 447 break;
333 448
334 449 case IXGBE_AUTOC_LMS_10G_LINK_NO_AN:
335 450 *speed = IXGBE_LINK_SPEED_10GB_FULL;
336 - *negotiation = FALSE;
451 + *autoneg = FALSE;
337 452 break;
338 453
339 454 case IXGBE_AUTOC_LMS_1G_AN:
340 455 *speed = IXGBE_LINK_SPEED_1GB_FULL;
341 - *negotiation = TRUE;
456 + *autoneg = TRUE;
342 457 break;
343 458
344 459 case IXGBE_AUTOC_LMS_10G_SERIAL:
345 460 *speed = IXGBE_LINK_SPEED_10GB_FULL;
346 - *negotiation = FALSE;
461 + *autoneg = FALSE;
347 462 break;
348 463
349 464 case IXGBE_AUTOC_LMS_KX4_KX_KR:
350 465 case IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN:
351 466 *speed = IXGBE_LINK_SPEED_UNKNOWN;
352 467 if (autoc & IXGBE_AUTOC_KR_SUPP)
353 468 *speed |= IXGBE_LINK_SPEED_10GB_FULL;
354 469 if (autoc & IXGBE_AUTOC_KX4_SUPP)
355 470 *speed |= IXGBE_LINK_SPEED_10GB_FULL;
356 471 if (autoc & IXGBE_AUTOC_KX_SUPP)
357 472 *speed |= IXGBE_LINK_SPEED_1GB_FULL;
358 - *negotiation = TRUE;
473 + *autoneg = TRUE;
359 474 break;
360 475
361 476 case IXGBE_AUTOC_LMS_KX4_KX_KR_SGMII:
362 477 *speed = IXGBE_LINK_SPEED_100_FULL;
363 478 if (autoc & IXGBE_AUTOC_KR_SUPP)
364 479 *speed |= IXGBE_LINK_SPEED_10GB_FULL;
365 480 if (autoc & IXGBE_AUTOC_KX4_SUPP)
366 481 *speed |= IXGBE_LINK_SPEED_10GB_FULL;
367 482 if (autoc & IXGBE_AUTOC_KX_SUPP)
368 483 *speed |= IXGBE_LINK_SPEED_1GB_FULL;
369 - *negotiation = TRUE;
484 + *autoneg = TRUE;
370 485 break;
371 486
372 487 case IXGBE_AUTOC_LMS_SGMII_1G_100M:
373 488 *speed = IXGBE_LINK_SPEED_1GB_FULL | IXGBE_LINK_SPEED_100_FULL;
374 - *negotiation = FALSE;
489 + *autoneg = FALSE;
375 490 break;
376 491
377 492 default:
378 493 status = IXGBE_ERR_LINK_SETUP;
379 494 goto out;
495 + break;
380 496 }
381 497
382 498 if (hw->phy.multispeed_fiber) {
383 499 *speed |= IXGBE_LINK_SPEED_10GB_FULL |
384 500 IXGBE_LINK_SPEED_1GB_FULL;
385 - *negotiation = TRUE;
501 +
502 + /* QSFP must not enable full auto-negotiation
503 + * Limited autoneg is enabled at 1G
504 + */
505 + if (hw->phy.media_type == ixgbe_media_type_fiber_qsfp)
506 + *autoneg = FALSE;
507 + else
508 + *autoneg = TRUE;
386 509 }
387 510
388 511 out:
389 512 return status;
390 513 }
391 514
392 515 /**
393 516 * ixgbe_get_media_type_82599 - Get media type
394 517 * @hw: pointer to hardware structure
395 518 *
396 519 * Returns the media type (fiber, copper, backplane)
397 520 **/
398 521 enum ixgbe_media_type ixgbe_get_media_type_82599(struct ixgbe_hw *hw)
399 522 {
400 523 enum ixgbe_media_type media_type;
401 524
402 525 DEBUGFUNC("ixgbe_get_media_type_82599");
403 526
404 527 /* Detect if there is a copper PHY attached. */
405 528 switch (hw->phy.type) {
406 529 case ixgbe_phy_cu_unknown:
407 530 case ixgbe_phy_tn:
408 531 media_type = ixgbe_media_type_copper;
409 532 goto out;
410 533 default:
411 534 break;
412 535 }
413 536
414 537 switch (hw->device_id) {
415 538 case IXGBE_DEV_ID_82599_KX4:
416 539 case IXGBE_DEV_ID_82599_KX4_MEZZ:
417 540 case IXGBE_DEV_ID_82599_COMBO_BACKPLANE:
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418 541 case IXGBE_DEV_ID_82599_KR:
419 542 case IXGBE_DEV_ID_82599_BACKPLANE_FCOE:
420 543 case IXGBE_DEV_ID_82599_XAUI_LOM:
421 544 /* Default device ID is mezzanine card KX/KX4 */
422 545 media_type = ixgbe_media_type_backplane;
423 546 break;
424 547 case IXGBE_DEV_ID_82599_SFP:
425 548 case IXGBE_DEV_ID_82599_SFP_FCOE:
426 549 case IXGBE_DEV_ID_82599_SFP_EM:
427 550 case IXGBE_DEV_ID_82599_SFP_SF2:
551 + case IXGBE_DEV_ID_82599_SFP_SF_QP:
428 552 case IXGBE_DEV_ID_82599EN_SFP:
429 553 media_type = ixgbe_media_type_fiber;
430 554 break;
431 555 case IXGBE_DEV_ID_82599_CX4:
432 556 media_type = ixgbe_media_type_cx4;
433 557 break;
434 558 case IXGBE_DEV_ID_82599_T3_LOM:
435 559 media_type = ixgbe_media_type_copper;
436 560 break;
561 + case IXGBE_DEV_ID_82599_QSFP_SF_QP:
562 + media_type = ixgbe_media_type_fiber_qsfp;
563 + break;
564 + case IXGBE_DEV_ID_82599_BYPASS:
565 + media_type = ixgbe_media_type_fiber_fixed;
566 + hw->phy.multispeed_fiber = TRUE;
567 + break;
437 568 default:
438 569 media_type = ixgbe_media_type_unknown;
439 570 break;
440 571 }
441 572 out:
442 573 return media_type;
443 574 }
444 575
445 576 /**
577 + * ixgbe_stop_mac_link_on_d3_82599 - Disables link on D3
578 + * @hw: pointer to hardware structure
579 + *
580 + * Disables link during D3 power down sequence.
581 + *
582 + **/
583 +void ixgbe_stop_mac_link_on_d3_82599(struct ixgbe_hw *hw)
584 +{
585 + u32 autoc2_reg;
586 + u16 ee_ctrl_2 = 0;
587 +
588 + DEBUGFUNC("ixgbe_stop_mac_link_on_d3_82599");
589 + ixgbe_read_eeprom(hw, IXGBE_EEPROM_CTRL_2, &ee_ctrl_2);
590 +
591 + if (!ixgbe_mng_present(hw) && !hw->wol_enabled &&
592 + ee_ctrl_2 & IXGBE_EEPROM_CCD_BIT) {
593 + autoc2_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
594 + autoc2_reg |= IXGBE_AUTOC2_LINK_DISABLE_ON_D3_MASK;
595 + IXGBE_WRITE_REG(hw, IXGBE_AUTOC2, autoc2_reg);
596 + }
597 +}
598 +
599 +/**
446 600 * ixgbe_start_mac_link_82599 - Setup MAC link settings
447 601 * @hw: pointer to hardware structure
448 602 * @autoneg_wait_to_complete: TRUE when waiting for completion is needed
449 603 *
450 604 * Configures link settings based on values in the ixgbe_hw struct.
451 605 * Restarts the link. Performs autonegotiation if needed.
452 606 **/
453 607 s32 ixgbe_start_mac_link_82599(struct ixgbe_hw *hw,
454 608 bool autoneg_wait_to_complete)
455 609 {
456 610 u32 autoc_reg;
457 611 u32 links_reg;
458 612 u32 i;
459 613 s32 status = IXGBE_SUCCESS;
614 + bool got_lock = FALSE;
460 615
461 616 DEBUGFUNC("ixgbe_start_mac_link_82599");
462 617
463 618
619 + /* reset_pipeline requires us to hold this lock as it writes to
620 + * AUTOC.
621 + */
622 + if (ixgbe_verify_lesm_fw_enabled_82599(hw)) {
623 + status = hw->mac.ops.acquire_swfw_sync(hw,
624 + IXGBE_GSSR_MAC_CSR_SM);
625 + if (status != IXGBE_SUCCESS)
626 + goto out;
627 +
628 + got_lock = TRUE;
629 + }
630 +
464 631 /* Restart link */
465 - autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC);
466 - autoc_reg |= IXGBE_AUTOC_AN_RESTART;
467 - IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc_reg);
632 + ixgbe_reset_pipeline_82599(hw);
468 633
634 + if (got_lock)
635 + hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_MAC_CSR_SM);
636 +
469 637 /* Only poll for autoneg to complete if specified to do so */
470 638 if (autoneg_wait_to_complete) {
639 + autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC);
471 640 if ((autoc_reg & IXGBE_AUTOC_LMS_MASK) ==
472 641 IXGBE_AUTOC_LMS_KX4_KX_KR ||
473 642 (autoc_reg & IXGBE_AUTOC_LMS_MASK) ==
474 643 IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN ||
475 644 (autoc_reg & IXGBE_AUTOC_LMS_MASK) ==
476 645 IXGBE_AUTOC_LMS_KX4_KX_KR_SGMII) {
477 646 links_reg = 0; /* Just in case Autoneg time = 0 */
478 647 for (i = 0; i < IXGBE_AUTO_NEG_TIME; i++) {
479 648 links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
480 649 if (links_reg & IXGBE_LINKS_KX_AN_COMP)
481 650 break;
482 651 msec_delay(100);
483 652 }
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484 653 if (!(links_reg & IXGBE_LINKS_KX_AN_COMP)) {
485 654 status = IXGBE_ERR_AUTONEG_NOT_COMPLETE;
486 655 DEBUGOUT("Autoneg did not complete.\n");
487 656 }
488 657 }
489 658 }
490 659
491 660 /* Add delay to filter out noises during initial link setup */
492 661 msec_delay(50);
493 662
663 +out:
494 664 return status;
495 665 }
496 666
497 667 /**
498 668 * ixgbe_disable_tx_laser_multispeed_fiber - Disable Tx laser
499 669 * @hw: pointer to hardware structure
500 670 *
501 671 * The base drivers may require better control over SFP+ module
502 672 * PHY states. This includes selectively shutting down the Tx
503 673 * laser on the PHY, effectively halting physical link.
504 674 **/
505 675 void ixgbe_disable_tx_laser_multispeed_fiber(struct ixgbe_hw *hw)
506 676 {
507 677 u32 esdp_reg = IXGBE_READ_REG(hw, IXGBE_ESDP);
508 678
509 - /* Disable tx laser; allow 100us to go dark per spec */
679 + /* Blocked by MNG FW so bail */
680 + if (ixgbe_check_reset_blocked(hw))
681 + return;
682 +
683 + /* Disable Tx laser; allow 100us to go dark per spec */
510 684 esdp_reg |= IXGBE_ESDP_SDP3;
511 685 IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
512 686 IXGBE_WRITE_FLUSH(hw);
513 687 usec_delay(100);
514 688 }
515 689
516 690 /**
517 691 * ixgbe_enable_tx_laser_multispeed_fiber - Enable Tx laser
518 692 * @hw: pointer to hardware structure
519 693 *
520 694 * The base drivers may require better control over SFP+ module
521 695 * PHY states. This includes selectively turning on the Tx
522 696 * laser on the PHY, effectively starting physical link.
523 697 **/
524 698 void ixgbe_enable_tx_laser_multispeed_fiber(struct ixgbe_hw *hw)
525 699 {
526 700 u32 esdp_reg = IXGBE_READ_REG(hw, IXGBE_ESDP);
527 701
528 - /* Enable tx laser; allow 100ms to light up */
702 + /* Enable Tx laser; allow 100ms to light up */
529 703 esdp_reg &= ~IXGBE_ESDP_SDP3;
530 704 IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
531 705 IXGBE_WRITE_FLUSH(hw);
532 706 msec_delay(100);
533 707 }
534 708
535 709 /**
536 710 * ixgbe_flap_tx_laser_multispeed_fiber - Flap Tx laser
537 711 * @hw: pointer to hardware structure
538 712 *
539 713 * When the driver changes the link speeds that it can support,
540 714 * it sets autotry_restart to TRUE to indicate that we need to
541 715 * initiate a new autotry session with the link partner. To do
542 - * so, we set the speed then disable and re-enable the tx laser, to
716 + * so, we set the speed then disable and re-enable the Tx laser, to
543 717 * alert the link partner that it also needs to restart autotry on its
544 718 * end. This is consistent with TRUE clause 37 autoneg, which also
545 719 * involves a loss of signal.
546 720 **/
547 721 void ixgbe_flap_tx_laser_multispeed_fiber(struct ixgbe_hw *hw)
548 722 {
549 723 DEBUGFUNC("ixgbe_flap_tx_laser_multispeed_fiber");
550 724
725 + /* Blocked by MNG FW so bail */
726 + if (ixgbe_check_reset_blocked(hw))
727 + return;
728 +
551 729 if (hw->mac.autotry_restart) {
552 730 ixgbe_disable_tx_laser_multispeed_fiber(hw);
553 731 ixgbe_enable_tx_laser_multispeed_fiber(hw);
554 732 hw->mac.autotry_restart = FALSE;
555 733 }
556 734 }
557 735
558 736 /**
559 - * ixgbe_setup_mac_link_multispeed_fiber - Set MAC link speed
737 + * ixgbe_set_hard_rate_select_speed - Set module link speed
560 738 * @hw: pointer to hardware structure
561 - * @speed: new link speed
562 - * @autoneg: TRUE if autonegotiation enabled
563 - * @autoneg_wait_to_complete: TRUE when waiting for completion is needed
739 + * @speed: link speed to set
564 740 *
565 - * Set the link speed in the AUTOC register and restarts link.
566 - **/
567 -s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw,
568 - ixgbe_link_speed speed, bool autoneg,
569 - bool autoneg_wait_to_complete)
741 + * Set module link speed via RS0/RS1 rate select pins.
742 + */
743 +void ixgbe_set_hard_rate_select_speed(struct ixgbe_hw *hw,
744 + ixgbe_link_speed speed)
570 745 {
571 - s32 status = IXGBE_SUCCESS;
572 - ixgbe_link_speed link_speed = IXGBE_LINK_SPEED_UNKNOWN;
573 - ixgbe_link_speed highest_link_speed = IXGBE_LINK_SPEED_UNKNOWN;
574 - u32 speedcnt = 0;
575 746 u32 esdp_reg = IXGBE_READ_REG(hw, IXGBE_ESDP);
576 - u32 i = 0;
577 - bool link_up = FALSE;
578 - bool negotiation;
579 747
580 - DEBUGFUNC("ixgbe_setup_mac_link_multispeed_fiber");
581 -
582 - /* Mask off requested but non-supported speeds */
583 - status = ixgbe_get_link_capabilities(hw, &link_speed, &negotiation);
584 - if (status != IXGBE_SUCCESS)
585 - return status;
586 -
587 - speed &= link_speed;
588 -
589 - /*
590 - * Try each speed one by one, highest priority first. We do this in
591 - * software because 10gb fiber doesn't support speed autonegotiation.
592 - */
593 - if (speed & IXGBE_LINK_SPEED_10GB_FULL) {
594 - speedcnt++;
595 - highest_link_speed = IXGBE_LINK_SPEED_10GB_FULL;
596 -
597 - /* If we already have link at this speed, just jump out */
598 - status = ixgbe_check_link(hw, &link_speed, &link_up, FALSE);
599 - if (status != IXGBE_SUCCESS)
600 - return status;
601 -
602 - if ((link_speed == IXGBE_LINK_SPEED_10GB_FULL) && link_up)
603 - goto out;
604 -
605 - /* Set the module link speed */
748 + switch (speed) {
749 + case IXGBE_LINK_SPEED_10GB_FULL:
606 750 esdp_reg |= (IXGBE_ESDP_SDP5_DIR | IXGBE_ESDP_SDP5);
607 - IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
608 - IXGBE_WRITE_FLUSH(hw);
609 -
610 - /* Allow module to change analog characteristics (1G->10G) */
611 - msec_delay(40);
612 -
613 - status = ixgbe_setup_mac_link_82599(hw,
614 - IXGBE_LINK_SPEED_10GB_FULL,
615 - autoneg,
616 - autoneg_wait_to_complete);
617 - if (status != IXGBE_SUCCESS)
618 - return status;
619 -
620 - /* Flap the tx laser if it has not already been done */
621 - ixgbe_flap_tx_laser(hw);
622 -
623 - /*
624 - * Wait for the controller to acquire link. Per IEEE 802.3ap,
625 - * Section 73.10.2, we may have to wait up to 500ms if KR is
626 - * attempted. 82599 uses the same timing for 10g SFI.
627 - */
628 - for (i = 0; i < 5; i++) {
629 - /* Wait for the link partner to also set speed */
630 - msec_delay(100);
631 -
632 - /* If we have link, just jump out */
633 - status = ixgbe_check_link(hw, &link_speed,
634 - &link_up, FALSE);
635 - if (status != IXGBE_SUCCESS)
636 - return status;
637 -
638 - if (link_up)
639 - goto out;
640 - }
641 - }
642 -
643 - if (speed & IXGBE_LINK_SPEED_1GB_FULL) {
644 - speedcnt++;
645 - if (highest_link_speed == IXGBE_LINK_SPEED_UNKNOWN)
646 - highest_link_speed = IXGBE_LINK_SPEED_1GB_FULL;
647 -
648 - /* If we already have link at this speed, just jump out */
649 - status = ixgbe_check_link(hw, &link_speed, &link_up, FALSE);
650 - if (status != IXGBE_SUCCESS)
651 - return status;
652 -
653 - if ((link_speed == IXGBE_LINK_SPEED_1GB_FULL) && link_up)
654 - goto out;
655 -
656 - /* Set the module link speed */
751 + break;
752 + case IXGBE_LINK_SPEED_1GB_FULL:
657 753 esdp_reg &= ~IXGBE_ESDP_SDP5;
658 754 esdp_reg |= IXGBE_ESDP_SDP5_DIR;
659 - IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
660 - IXGBE_WRITE_FLUSH(hw);
661 -
662 - /* Allow module to change analog characteristics (10G->1G) */
663 - msec_delay(40);
664 -
665 - status = ixgbe_setup_mac_link_82599(hw,
666 - IXGBE_LINK_SPEED_1GB_FULL,
667 - autoneg,
668 - autoneg_wait_to_complete);
669 - if (status != IXGBE_SUCCESS)
670 - return status;
671 -
672 - /* Flap the tx laser if it has not already been done */
673 - ixgbe_flap_tx_laser(hw);
674 -
675 - /* Wait for the link partner to also set speed */
676 - msec_delay(100);
677 -
678 - /* If we have link, just jump out */
679 - status = ixgbe_check_link(hw, &link_speed, &link_up, FALSE);
680 - if (status != IXGBE_SUCCESS)
681 - return status;
682 -
683 - if (link_up)
684 - goto out;
755 + break;
756 + default:
757 + DEBUGOUT("Invalid fixed module speed\n");
758 + return;
685 759 }
686 760
687 - /*
688 - * We didn't get link. Configure back to the highest speed we tried,
689 - * (if there was more than one). We call ourselves back with just the
690 - * single highest speed that the user requested.
691 - */
692 - if (speedcnt > 1)
693 - status = ixgbe_setup_mac_link_multispeed_fiber(hw,
694 - highest_link_speed, autoneg, autoneg_wait_to_complete);
695 -
696 -out:
697 - /* Set autoneg_advertised value based on input link speed */
698 - hw->phy.autoneg_advertised = 0;
699 -
700 - if (speed & IXGBE_LINK_SPEED_10GB_FULL)
701 - hw->phy.autoneg_advertised |= IXGBE_LINK_SPEED_10GB_FULL;
702 -
703 - if (speed & IXGBE_LINK_SPEED_1GB_FULL)
704 - hw->phy.autoneg_advertised |= IXGBE_LINK_SPEED_1GB_FULL;
705 -
706 - return status;
761 + IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
762 + IXGBE_WRITE_FLUSH(hw);
707 763 }
708 764
709 765 /**
710 766 * ixgbe_setup_mac_link_smartspeed - Set MAC link speed using SmartSpeed
711 767 * @hw: pointer to hardware structure
712 768 * @speed: new link speed
713 - * @autoneg: TRUE if autonegotiation enabled
714 769 * @autoneg_wait_to_complete: TRUE when waiting for completion is needed
715 770 *
716 771 * Implements the Intel SmartSpeed algorithm.
717 772 **/
718 773 s32 ixgbe_setup_mac_link_smartspeed(struct ixgbe_hw *hw,
719 - ixgbe_link_speed speed, bool autoneg,
774 + ixgbe_link_speed speed,
720 775 bool autoneg_wait_to_complete)
721 776 {
722 777 s32 status = IXGBE_SUCCESS;
723 778 ixgbe_link_speed link_speed = IXGBE_LINK_SPEED_UNKNOWN;
724 779 s32 i, j;
725 780 bool link_up = FALSE;
726 781 u32 autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC);
727 782
728 783 DEBUGFUNC("ixgbe_setup_mac_link_smartspeed");
729 784
730 785 /* Set autoneg_advertised value based on input link speed */
731 786 hw->phy.autoneg_advertised = 0;
732 787
733 788 if (speed & IXGBE_LINK_SPEED_10GB_FULL)
734 789 hw->phy.autoneg_advertised |= IXGBE_LINK_SPEED_10GB_FULL;
735 790
736 791 if (speed & IXGBE_LINK_SPEED_1GB_FULL)
737 792 hw->phy.autoneg_advertised |= IXGBE_LINK_SPEED_1GB_FULL;
738 793
739 794 if (speed & IXGBE_LINK_SPEED_100_FULL)
740 795 hw->phy.autoneg_advertised |= IXGBE_LINK_SPEED_100_FULL;
741 796
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742 797 /*
743 798 * Implement Intel SmartSpeed algorithm. SmartSpeed will reduce the
744 799 * autoneg advertisement if link is unable to be established at the
745 800 * highest negotiated rate. This can sometimes happen due to integrity
746 801 * issues with the physical media connection.
747 802 */
748 803
749 804 /* First, try to get link with full advertisement */
750 805 hw->phy.smart_speed_active = FALSE;
751 806 for (j = 0; j < IXGBE_SMARTSPEED_MAX_RETRIES; j++) {
752 - status = ixgbe_setup_mac_link_82599(hw, speed, autoneg,
807 + status = ixgbe_setup_mac_link_82599(hw, speed,
753 808 autoneg_wait_to_complete);
754 809 if (status != IXGBE_SUCCESS)
755 810 goto out;
756 811
757 812 /*
758 813 * Wait for the controller to acquire link. Per IEEE 802.3ap,
759 814 * Section 73.10.2, we may have to wait up to 500ms if KR is
760 815 * attempted, or 200ms if KX/KX4/BX/BX4 is attempted, per
761 816 * Table 9 in the AN MAS.
762 817 */
763 818 for (i = 0; i < 5; i++) {
764 819 msec_delay(100);
765 820
766 821 /* If we have link, just jump out */
767 822 status = ixgbe_check_link(hw, &link_speed, &link_up,
768 823 FALSE);
769 824 if (status != IXGBE_SUCCESS)
770 825 goto out;
771 826
772 827 if (link_up)
773 828 goto out;
774 829 }
775 830 }
776 831
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777 832 /*
778 833 * We didn't get link. If we advertised KR plus one of KX4/KX
779 834 * (or BX4/BX), then disable KR and try again.
780 835 */
781 836 if (((autoc_reg & IXGBE_AUTOC_KR_SUPP) == 0) ||
782 837 ((autoc_reg & IXGBE_AUTOC_KX4_KX_SUPP_MASK) == 0))
783 838 goto out;
784 839
785 840 /* Turn SmartSpeed on to disable KR support */
786 841 hw->phy.smart_speed_active = TRUE;
787 - status = ixgbe_setup_mac_link_82599(hw, speed, autoneg,
842 + status = ixgbe_setup_mac_link_82599(hw, speed,
788 843 autoneg_wait_to_complete);
789 844 if (status != IXGBE_SUCCESS)
790 845 goto out;
791 846
792 847 /*
793 848 * Wait for the controller to acquire link. 600ms will allow for
794 849 * the AN link_fail_inhibit_timer as well for multiple cycles of
795 850 * parallel detect, both 10g and 1g. This allows for the maximum
796 851 * connect attempts as defined in the AN MAS table 73-7.
797 852 */
798 853 for (i = 0; i < 6; i++) {
799 854 msec_delay(100);
800 855
801 856 /* If we have link, just jump out */
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802 857 status = ixgbe_check_link(hw, &link_speed, &link_up, FALSE);
803 858 if (status != IXGBE_SUCCESS)
804 859 goto out;
805 860
806 861 if (link_up)
807 862 goto out;
808 863 }
809 864
810 865 /* We didn't get link. Turn SmartSpeed back off. */
811 866 hw->phy.smart_speed_active = FALSE;
812 - status = ixgbe_setup_mac_link_82599(hw, speed, autoneg,
867 + status = ixgbe_setup_mac_link_82599(hw, speed,
813 868 autoneg_wait_to_complete);
814 869
815 870 out:
816 871 if (link_up && (link_speed == IXGBE_LINK_SPEED_1GB_FULL))
817 872 DEBUGOUT("Smartspeed has downgraded the link speed "
818 873 "from the maximum advertised\n");
819 874 return status;
820 875 }
821 876
822 877 /**
823 878 * ixgbe_setup_mac_link_82599 - Set MAC link speed
824 879 * @hw: pointer to hardware structure
825 880 * @speed: new link speed
826 - * @autoneg: TRUE if autonegotiation enabled
827 881 * @autoneg_wait_to_complete: TRUE when waiting for completion is needed
828 882 *
829 883 * Set the link speed in the AUTOC register and restarts link.
830 884 **/
831 885 s32 ixgbe_setup_mac_link_82599(struct ixgbe_hw *hw,
832 - ixgbe_link_speed speed, bool autoneg,
886 + ixgbe_link_speed speed,
833 887 bool autoneg_wait_to_complete)
834 888 {
889 + bool autoneg = FALSE;
835 890 s32 status = IXGBE_SUCCESS;
836 - u32 autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
891 + u32 pma_pmd_1g, link_mode;
892 + u32 current_autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC); /* holds the value of AUTOC register at this current point in time */
893 + u32 orig_autoc = 0; /* holds the cached value of AUTOC register */
894 + u32 autoc = current_autoc; /* Temporary variable used for comparison purposes */
837 895 u32 autoc2 = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
838 - u32 start_autoc = autoc;
839 - u32 orig_autoc = 0;
840 - u32 link_mode = autoc & IXGBE_AUTOC_LMS_MASK;
841 - u32 pma_pmd_1g = autoc & IXGBE_AUTOC_1G_PMA_PMD_MASK;
842 896 u32 pma_pmd_10g_serial = autoc2 & IXGBE_AUTOC2_10G_SERIAL_PMA_PMD_MASK;
843 897 u32 links_reg;
844 898 u32 i;
845 899 ixgbe_link_speed link_capabilities = IXGBE_LINK_SPEED_UNKNOWN;
846 900
847 901 DEBUGFUNC("ixgbe_setup_mac_link_82599");
848 902
849 903 /* Check to see if speed passed in is supported. */
850 904 status = ixgbe_get_link_capabilities(hw, &link_capabilities, &autoneg);
851 - if (status != IXGBE_SUCCESS)
905 + if (status)
852 906 goto out;
853 907
854 908 speed &= link_capabilities;
855 909
856 910 if (speed == IXGBE_LINK_SPEED_UNKNOWN) {
857 911 status = IXGBE_ERR_LINK_SETUP;
858 912 goto out;
859 913 }
860 914
861 915 /* Use stored value (EEPROM defaults) of AUTOC to find KR/KX4 support*/
862 916 if (hw->mac.orig_link_settings_stored)
863 917 orig_autoc = hw->mac.orig_autoc;
864 918 else
865 919 orig_autoc = autoc;
866 920
921 + link_mode = autoc & IXGBE_AUTOC_LMS_MASK;
922 + pma_pmd_1g = autoc & IXGBE_AUTOC_1G_PMA_PMD_MASK;
923 +
867 924 if (link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR ||
868 925 link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN ||
869 926 link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR_SGMII) {
870 927 /* Set KX4/KX/KR support according to speed requested */
871 928 autoc &= ~(IXGBE_AUTOC_KX4_KX_SUPP_MASK | IXGBE_AUTOC_KR_SUPP);
872 929 if (speed & IXGBE_LINK_SPEED_10GB_FULL) {
873 930 if (orig_autoc & IXGBE_AUTOC_KX4_SUPP)
874 931 autoc |= IXGBE_AUTOC_KX4_SUPP;
875 932 if ((orig_autoc & IXGBE_AUTOC_KR_SUPP) &&
876 933 (hw->phy.smart_speed_active == FALSE))
877 934 autoc |= IXGBE_AUTOC_KR_SUPP;
878 935 }
879 936 if (speed & IXGBE_LINK_SPEED_1GB_FULL)
880 937 autoc |= IXGBE_AUTOC_KX_SUPP;
881 938 } else if ((pma_pmd_1g == IXGBE_AUTOC_1G_SFI) &&
882 939 (link_mode == IXGBE_AUTOC_LMS_1G_LINK_NO_AN ||
883 940 link_mode == IXGBE_AUTOC_LMS_1G_AN)) {
884 941 /* Switch from 1G SFI to 10G SFI if requested */
885 942 if ((speed == IXGBE_LINK_SPEED_10GB_FULL) &&
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886 943 (pma_pmd_10g_serial == IXGBE_AUTOC2_10G_SFI)) {
887 944 autoc &= ~IXGBE_AUTOC_LMS_MASK;
888 945 autoc |= IXGBE_AUTOC_LMS_10G_SERIAL;
889 946 }
890 947 } else if ((pma_pmd_10g_serial == IXGBE_AUTOC2_10G_SFI) &&
891 948 (link_mode == IXGBE_AUTOC_LMS_10G_SERIAL)) {
892 949 /* Switch from 10G SFI to 1G SFI if requested */
893 950 if ((speed == IXGBE_LINK_SPEED_1GB_FULL) &&
894 951 (pma_pmd_1g == IXGBE_AUTOC_1G_SFI)) {
895 952 autoc &= ~IXGBE_AUTOC_LMS_MASK;
896 - if (autoneg)
953 + if (autoneg || hw->phy.type == ixgbe_phy_qsfp_intel)
897 954 autoc |= IXGBE_AUTOC_LMS_1G_AN;
898 955 else
899 956 autoc |= IXGBE_AUTOC_LMS_1G_LINK_NO_AN;
900 957 }
901 958 }
902 959
903 - if (autoc != start_autoc) {
960 + if (autoc != current_autoc) {
904 961 /* Restart link */
905 - autoc |= IXGBE_AUTOC_AN_RESTART;
906 - IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc);
962 + status = hw->mac.ops.prot_autoc_write(hw, autoc, FALSE);
963 + if (status != IXGBE_SUCCESS)
964 + goto out;
907 965
908 966 /* Only poll for autoneg to complete if specified to do so */
909 967 if (autoneg_wait_to_complete) {
910 968 if (link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR ||
911 969 link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN ||
912 970 link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR_SGMII) {
913 971 links_reg = 0; /*Just in case Autoneg time=0*/
914 972 for (i = 0; i < IXGBE_AUTO_NEG_TIME; i++) {
915 973 links_reg =
916 974 IXGBE_READ_REG(hw, IXGBE_LINKS);
917 975 if (links_reg & IXGBE_LINKS_KX_AN_COMP)
918 976 break;
919 977 msec_delay(100);
920 978 }
921 979 if (!(links_reg & IXGBE_LINKS_KX_AN_COMP)) {
922 980 status =
923 981 IXGBE_ERR_AUTONEG_NOT_COMPLETE;
924 982 DEBUGOUT("Autoneg did not complete.\n");
925 983 }
926 984 }
927 985 }
928 986
929 987 /* Add delay to filter out noises during initial link setup */
930 988 msec_delay(50);
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931 989 }
932 990
933 991 out:
934 992 return status;
935 993 }
936 994
937 995 /**
938 996 * ixgbe_setup_copper_link_82599 - Set the PHY autoneg advertised field
939 997 * @hw: pointer to hardware structure
940 998 * @speed: new link speed
941 - * @autoneg: TRUE if autonegotiation enabled
942 999 * @autoneg_wait_to_complete: TRUE if waiting is needed to complete
943 1000 *
944 1001 * Restarts link on PHY and MAC based on settings passed in.
945 1002 **/
946 1003 static s32 ixgbe_setup_copper_link_82599(struct ixgbe_hw *hw,
947 1004 ixgbe_link_speed speed,
948 - bool autoneg,
949 1005 bool autoneg_wait_to_complete)
950 1006 {
951 1007 s32 status;
952 1008
953 1009 DEBUGFUNC("ixgbe_setup_copper_link_82599");
954 1010
955 1011 /* Setup the PHY according to input speed */
956 - status = hw->phy.ops.setup_link_speed(hw, speed, autoneg,
1012 + status = hw->phy.ops.setup_link_speed(hw, speed,
957 1013 autoneg_wait_to_complete);
958 - if (status == IXGBE_SUCCESS) {
959 - /* Set up MAC */
960 - status =
961 - ixgbe_start_mac_link_82599(hw, autoneg_wait_to_complete);
962 - }
1014 + /* Set up MAC */
1015 + ixgbe_start_mac_link_82599(hw, autoneg_wait_to_complete);
963 1016
964 1017 return status;
965 1018 }
966 1019
967 1020 /**
968 1021 * ixgbe_reset_hw_82599 - Perform hardware reset
969 1022 * @hw: pointer to hardware structure
970 1023 *
971 1024 * Resets the hardware by resetting the transmit and receive units, masks
972 1025 * and clears all interrupts, perform a PHY reset, and perform a link (MAC)
973 1026 * reset.
974 1027 **/
975 1028 s32 ixgbe_reset_hw_82599(struct ixgbe_hw *hw)
976 1029 {
977 1030 ixgbe_link_speed link_speed;
978 1031 s32 status;
979 - u32 ctrl, i, autoc, autoc2;
1032 + u32 ctrl = 0;
1033 + u32 i, autoc, autoc2;
1034 + u32 curr_lms;
980 1035 bool link_up = FALSE;
981 1036
982 1037 DEBUGFUNC("ixgbe_reset_hw_82599");
983 1038
984 1039 /* Call adapter stop to disable tx/rx and clear interrupts */
985 1040 status = hw->mac.ops.stop_adapter(hw);
986 1041 if (status != IXGBE_SUCCESS)
987 1042 goto reset_hw_out;
988 1043
989 1044 /* flush pending Tx transactions */
990 1045 ixgbe_clear_tx_pending(hw);
991 1046
992 1047 /* PHY ops must be identified and initialized prior to reset */
993 1048
994 1049 /* Identify PHY and related function pointers */
995 1050 status = hw->phy.ops.init(hw);
996 1051
997 1052 if (status == IXGBE_ERR_SFP_NOT_SUPPORTED)
998 1053 goto reset_hw_out;
999 1054
1000 1055 /* Setup SFP module if there is one present. */
1001 1056 if (hw->phy.sfp_setup_needed) {
1002 1057 status = hw->mac.ops.setup_sfp(hw);
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1003 1058 hw->phy.sfp_setup_needed = FALSE;
1004 1059 }
1005 1060
1006 1061 if (status == IXGBE_ERR_SFP_NOT_SUPPORTED)
1007 1062 goto reset_hw_out;
1008 1063
1009 1064 /* Reset PHY */
1010 1065 if (hw->phy.reset_disable == FALSE && hw->phy.ops.reset != NULL)
1011 1066 hw->phy.ops.reset(hw);
1012 1067
1068 + /* remember AUTOC from before we reset */
1069 + curr_lms = IXGBE_READ_REG(hw, IXGBE_AUTOC) & IXGBE_AUTOC_LMS_MASK;
1070 +
1013 1071 mac_reset_top:
1014 1072 /*
1015 1073 * Issue global reset to the MAC. Needs to be SW reset if link is up.
1016 1074 * If link reset is used when link is up, it might reset the PHY when
1017 1075 * mng is using it. If link is down or the flag to force full link
1018 1076 * reset is set, then perform link reset.
1019 1077 */
1020 1078 ctrl = IXGBE_CTRL_LNK_RST;
1021 1079 if (!hw->force_full_reset) {
1022 1080 hw->mac.ops.check_link(hw, &link_speed, &link_up, FALSE);
1023 1081 if (link_up)
1024 1082 ctrl = IXGBE_CTRL_RST;
1025 1083 }
1026 1084
1027 1085 ctrl |= IXGBE_READ_REG(hw, IXGBE_CTRL);
1028 1086 IXGBE_WRITE_REG(hw, IXGBE_CTRL, ctrl);
1029 1087 IXGBE_WRITE_FLUSH(hw);
1030 1088
1031 - /* Poll for reset bit to self-clear indicating reset is complete */
1089 + /* Poll for reset bit to self-clear meaning reset is complete */
1032 1090 for (i = 0; i < 10; i++) {
1033 1091 usec_delay(1);
1034 1092 ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL);
1035 1093 if (!(ctrl & IXGBE_CTRL_RST_MASK))
1036 1094 break;
1037 1095 }
1038 1096
1039 1097 if (ctrl & IXGBE_CTRL_RST_MASK) {
1040 1098 status = IXGBE_ERR_RESET_FAILED;
1041 1099 DEBUGOUT("Reset polling failed to complete.\n");
1042 1100 }
1043 1101
1044 1102 msec_delay(50);
1045 1103
1046 1104 /*
1047 1105 * Double resets are required for recovery from certain error
1048 - * conditions. Between resets, it is necessary to stall to allow time
1049 - * for any pending HW events to complete.
1106 + * conditions. Between resets, it is necessary to stall to
1107 + * allow time for any pending HW events to complete.
1050 1108 */
1051 1109 if (hw->mac.flags & IXGBE_FLAGS_DOUBLE_RESET_REQUIRED) {
1052 1110 hw->mac.flags &= ~IXGBE_FLAGS_DOUBLE_RESET_REQUIRED;
1053 1111 goto mac_reset_top;
1054 1112 }
1055 1113
1056 1114 /*
1057 1115 * Store the original AUTOC/AUTOC2 values if they have not been
1058 1116 * stored off yet. Otherwise restore the stored original
1059 1117 * values since the reset operation sets back to defaults.
1060 1118 */
1061 1119 autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
1062 1120 autoc2 = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
1121 +
1122 + /* Enable link if disabled in NVM */
1123 + if (autoc2 & IXGBE_AUTOC2_LINK_DISABLE_MASK) {
1124 + autoc2 &= ~IXGBE_AUTOC2_LINK_DISABLE_MASK;
1125 + IXGBE_WRITE_REG(hw, IXGBE_AUTOC2, autoc2);
1126 + IXGBE_WRITE_FLUSH(hw);
1127 + }
1128 +
1063 1129 if (hw->mac.orig_link_settings_stored == FALSE) {
1064 1130 hw->mac.orig_autoc = autoc;
1065 1131 hw->mac.orig_autoc2 = autoc2;
1066 1132 hw->mac.orig_link_settings_stored = TRUE;
1067 1133 } else {
1068 - if (autoc != hw->mac.orig_autoc)
1069 - IXGBE_WRITE_REG(hw, IXGBE_AUTOC, (hw->mac.orig_autoc |
1070 - IXGBE_AUTOC_AN_RESTART));
1071 1134
1135 + /* If MNG FW is running on a multi-speed device that
1136 + * doesn't autoneg with out driver support we need to
1137 + * leave LMS in the state it was before we MAC reset.
1138 + * Likewise if we support WoL we don't want change the
1139 + * LMS state.
1140 + */
1141 + if ((hw->phy.multispeed_fiber && ixgbe_mng_enabled(hw)) ||
1142 + hw->wol_enabled)
1143 + hw->mac.orig_autoc =
1144 + (hw->mac.orig_autoc & ~IXGBE_AUTOC_LMS_MASK) |
1145 + curr_lms;
1146 +
1147 + if (autoc != hw->mac.orig_autoc) {
1148 + status = hw->mac.ops.prot_autoc_write(hw,
1149 + hw->mac.orig_autoc,
1150 + FALSE);
1151 + if (status != IXGBE_SUCCESS)
1152 + goto reset_hw_out;
1153 + }
1154 +
1072 1155 if ((autoc2 & IXGBE_AUTOC2_UPPER_MASK) !=
1073 1156 (hw->mac.orig_autoc2 & IXGBE_AUTOC2_UPPER_MASK)) {
1074 1157 autoc2 &= ~IXGBE_AUTOC2_UPPER_MASK;
1075 1158 autoc2 |= (hw->mac.orig_autoc2 &
1076 1159 IXGBE_AUTOC2_UPPER_MASK);
1077 1160 IXGBE_WRITE_REG(hw, IXGBE_AUTOC2, autoc2);
1078 1161 }
1079 1162 }
1080 1163
1081 1164 /* Store the permanent mac address */
1082 1165 hw->mac.ops.get_mac_addr(hw, hw->mac.perm_addr);
1083 1166
1084 1167 /*
1085 1168 * Store MAC address from RAR0, clear receive address registers, and
1086 1169 * clear the multicast table. Also reset num_rar_entries to 128,
1087 1170 * since we modify this value when programming the SAN MAC address.
1088 1171 */
1089 1172 hw->mac.num_rar_entries = 128;
1090 1173 hw->mac.ops.init_rx_addrs(hw);
1091 1174
1092 1175 /* Store the permanent SAN mac address */
1093 1176 hw->mac.ops.get_san_mac_addr(hw, hw->mac.san_addr);
1094 1177
1095 1178 /* Add the SAN MAC address to the RAR only if it's a valid address */
1096 1179 if (ixgbe_validate_mac_addr(hw->mac.san_addr) == 0) {
1097 1180 hw->mac.ops.set_rar(hw, hw->mac.num_rar_entries - 1,
1098 1181 hw->mac.san_addr, 0, IXGBE_RAH_AV);
1099 1182
1100 1183 /* Save the SAN MAC RAR index */
1101 1184 hw->mac.san_mac_rar_index = hw->mac.num_rar_entries - 1;
1102 1185
1103 1186 /* Reserve the last RAR for the SAN MAC address */
1104 1187 hw->mac.num_rar_entries--;
1105 1188 }
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1106 1189
1107 1190 /* Store the alternative WWNN/WWPN prefix */
1108 1191 hw->mac.ops.get_wwn_prefix(hw, &hw->mac.wwnn_prefix,
1109 1192 &hw->mac.wwpn_prefix);
1110 1193
1111 1194 reset_hw_out:
1112 1195 return status;
1113 1196 }
1114 1197
1115 1198 /**
1199 + * ixgbe_fdir_check_cmd_complete - poll to check whether FDIRCMD is complete
1200 + * @hw: pointer to hardware structure
1201 + * @fdircmd: current value of FDIRCMD register
1202 + */
1203 +static s32 ixgbe_fdir_check_cmd_complete(struct ixgbe_hw *hw, u32 *fdircmd)
1204 +{
1205 + int i;
1206 +
1207 + for (i = 0; i < IXGBE_FDIRCMD_CMD_POLL; i++) {
1208 + *fdircmd = IXGBE_READ_REG(hw, IXGBE_FDIRCMD);
1209 + if (!(*fdircmd & IXGBE_FDIRCMD_CMD_MASK))
1210 + return IXGBE_SUCCESS;
1211 + usec_delay(10);
1212 + }
1213 +
1214 + return IXGBE_ERR_FDIR_CMD_INCOMPLETE;
1215 +}
1216 +
1217 +/**
1116 1218 * ixgbe_reinit_fdir_tables_82599 - Reinitialize Flow Director tables.
1117 1219 * @hw: pointer to hardware structure
1118 1220 **/
1119 1221 s32 ixgbe_reinit_fdir_tables_82599(struct ixgbe_hw *hw)
1120 1222 {
1223 + s32 err;
1121 1224 int i;
1122 1225 u32 fdirctrl = IXGBE_READ_REG(hw, IXGBE_FDIRCTRL);
1226 + u32 fdircmd;
1123 1227 fdirctrl &= ~IXGBE_FDIRCTRL_INIT_DONE;
1124 1228
1125 1229 DEBUGFUNC("ixgbe_reinit_fdir_tables_82599");
1126 1230
1127 1231 /*
1128 1232 * Before starting reinitialization process,
1129 1233 * FDIRCMD.CMD must be zero.
1130 1234 */
1131 - for (i = 0; i < IXGBE_FDIRCMD_CMD_POLL; i++) {
1132 - if (!(IXGBE_READ_REG(hw, IXGBE_FDIRCMD) &
1133 - IXGBE_FDIRCMD_CMD_MASK))
1134 - break;
1135 - usec_delay(10);
1235 + err = ixgbe_fdir_check_cmd_complete(hw, &fdircmd);
1236 + if (err) {
1237 + DEBUGOUT("Flow Director previous command did not complete, aborting table re-initialization.\n");
1238 + return err;
1136 1239 }
1137 - if (i >= IXGBE_FDIRCMD_CMD_POLL) {
1138 - DEBUGOUT("Flow Director previous command isn't complete, "
1139 - "aborting table re-initialization.\n");
1140 - return IXGBE_ERR_FDIR_REINIT_FAILED;
1141 - }
1142 1240
1143 1241 IXGBE_WRITE_REG(hw, IXGBE_FDIRFREE, 0);
1144 1242 IXGBE_WRITE_FLUSH(hw);
1145 1243 /*
1146 1244 * 82599 adapters flow director init flow cannot be restarted,
1147 1245 * Workaround 82599 silicon errata by performing the following steps
1148 1246 * before re-writing the FDIRCTRL control register with the same value.
1149 1247 * - write 1 to bit 8 of FDIRCMD register &
1150 1248 * - write 0 to bit 8 of FDIRCMD register
1151 1249 */
1152 1250 IXGBE_WRITE_REG(hw, IXGBE_FDIRCMD,
1153 1251 (IXGBE_READ_REG(hw, IXGBE_FDIRCMD) |
1154 1252 IXGBE_FDIRCMD_CLEARHT));
1155 1253 IXGBE_WRITE_FLUSH(hw);
1156 1254 IXGBE_WRITE_REG(hw, IXGBE_FDIRCMD,
1157 1255 (IXGBE_READ_REG(hw, IXGBE_FDIRCMD) &
1158 1256 ~IXGBE_FDIRCMD_CLEARHT));
1159 1257 IXGBE_WRITE_FLUSH(hw);
1160 1258 /*
1161 1259 * Clear FDIR Hash register to clear any leftover hashes
1162 1260 * waiting to be programmed.
1163 1261 */
1164 1262 IXGBE_WRITE_REG(hw, IXGBE_FDIRHASH, 0x00);
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1165 1263 IXGBE_WRITE_FLUSH(hw);
1166 1264
1167 1265 IXGBE_WRITE_REG(hw, IXGBE_FDIRCTRL, fdirctrl);
1168 1266 IXGBE_WRITE_FLUSH(hw);
1169 1267
1170 1268 /* Poll init-done after we write FDIRCTRL register */
1171 1269 for (i = 0; i < IXGBE_FDIR_INIT_DONE_POLL; i++) {
1172 1270 if (IXGBE_READ_REG(hw, IXGBE_FDIRCTRL) &
1173 1271 IXGBE_FDIRCTRL_INIT_DONE)
1174 1272 break;
1175 - usec_delay(10);
1273 + msec_delay(1);
1176 1274 }
1177 1275 if (i >= IXGBE_FDIR_INIT_DONE_POLL) {
1178 1276 DEBUGOUT("Flow Director Signature poll time exceeded!\n");
1179 1277 return IXGBE_ERR_FDIR_REINIT_FAILED;
1180 1278 }
1181 1279
1182 1280 /* Clear FDIR statistics registers (read to clear) */
1183 - (void) IXGBE_READ_REG(hw, IXGBE_FDIRUSTAT);
1184 - (void) IXGBE_READ_REG(hw, IXGBE_FDIRFSTAT);
1185 - (void) IXGBE_READ_REG(hw, IXGBE_FDIRMATCH);
1186 - (void) IXGBE_READ_REG(hw, IXGBE_FDIRMISS);
1187 - (void) IXGBE_READ_REG(hw, IXGBE_FDIRLEN);
1281 + IXGBE_READ_REG(hw, IXGBE_FDIRUSTAT);
1282 + IXGBE_READ_REG(hw, IXGBE_FDIRFSTAT);
1283 + IXGBE_READ_REG(hw, IXGBE_FDIRMATCH);
1284 + IXGBE_READ_REG(hw, IXGBE_FDIRMISS);
1285 + IXGBE_READ_REG(hw, IXGBE_FDIRLEN);
1188 1286
1189 1287 return IXGBE_SUCCESS;
1190 1288 }
1191 1289
1192 1290 /**
1193 1291 * ixgbe_fdir_enable_82599 - Initialize Flow Director control registers
1194 1292 * @hw: pointer to hardware structure
1195 1293 * @fdirctrl: value to write to flow director control register
1196 1294 **/
1197 1295 static void ixgbe_fdir_enable_82599(struct ixgbe_hw *hw, u32 fdirctrl)
1198 1296 {
1199 1297 int i;
1200 1298
1201 1299 DEBUGFUNC("ixgbe_fdir_enable_82599");
1202 1300
1203 1301 /* Prime the keys for hashing */
1204 1302 IXGBE_WRITE_REG(hw, IXGBE_FDIRHKEY, IXGBE_ATR_BUCKET_HASH_KEY);
1205 1303 IXGBE_WRITE_REG(hw, IXGBE_FDIRSKEY, IXGBE_ATR_SIGNATURE_HASH_KEY);
1206 1304
1207 1305 /*
1208 1306 * Poll init-done after we write the register. Estimated times:
1209 1307 * 10G: PBALLOC = 11b, timing is 60us
1210 1308 * 1G: PBALLOC = 11b, timing is 600us
1211 1309 * 100M: PBALLOC = 11b, timing is 6ms
1212 1310 *
1213 1311 * Multiple these timings by 4 if under full Rx load
1214 1312 *
1215 1313 * So we'll poll for IXGBE_FDIR_INIT_DONE_POLL times, sleeping for
1216 1314 * 1 msec per poll time. If we're at line rate and drop to 100M, then
1217 1315 * this might not finish in our poll time, but we can live with that
1218 1316 * for now.
1219 1317 */
1220 1318 IXGBE_WRITE_REG(hw, IXGBE_FDIRCTRL, fdirctrl);
1221 1319 IXGBE_WRITE_FLUSH(hw);
1222 1320 for (i = 0; i < IXGBE_FDIR_INIT_DONE_POLL; i++) {
1223 1321 if (IXGBE_READ_REG(hw, IXGBE_FDIRCTRL) &
1224 1322 IXGBE_FDIRCTRL_INIT_DONE)
1225 1323 break;
1226 1324 msec_delay(1);
1227 1325 }
1228 1326
1229 1327 if (i >= IXGBE_FDIR_INIT_DONE_POLL)
1230 1328 DEBUGOUT("Flow Director poll time exceeded!\n");
1231 1329 }
1232 1330
1233 1331 /**
1234 1332 * ixgbe_init_fdir_signature_82599 - Initialize Flow Director signature filters
1235 1333 * @hw: pointer to hardware structure
1236 1334 * @fdirctrl: value to write to flow director control register, initially
1237 1335 * contains just the value of the Rx packet buffer allocation
1238 1336 **/
1239 1337 s32 ixgbe_init_fdir_signature_82599(struct ixgbe_hw *hw, u32 fdirctrl)
1240 1338 {
1241 1339 DEBUGFUNC("ixgbe_init_fdir_signature_82599");
1242 1340
1243 1341 /*
1244 1342 * Continue setup of fdirctrl register bits:
1245 1343 * Move the flexible bytes to use the ethertype - shift 6 words
1246 1344 * Set the maximum length per hash bucket to 0xA filters
1247 1345 * Send interrupt when 64 filters are left
1248 1346 */
1249 1347 fdirctrl |= (0x6 << IXGBE_FDIRCTRL_FLEX_SHIFT) |
1250 1348 (0xA << IXGBE_FDIRCTRL_MAX_LENGTH_SHIFT) |
1251 1349 (4 << IXGBE_FDIRCTRL_FULL_THRESH_SHIFT);
1252 1350
1253 1351 /* write hashes and fdirctrl register, poll for completion */
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1254 1352 ixgbe_fdir_enable_82599(hw, fdirctrl);
1255 1353
1256 1354 return IXGBE_SUCCESS;
1257 1355 }
1258 1356
1259 1357 /**
1260 1358 * ixgbe_init_fdir_perfect_82599 - Initialize Flow Director perfect filters
1261 1359 * @hw: pointer to hardware structure
1262 1360 * @fdirctrl: value to write to flow director control register, initially
1263 1361 * contains just the value of the Rx packet buffer allocation
1362 + * @cloud_mode: TRUE - cloud mode, FALSE - other mode
1264 1363 **/
1265 -s32 ixgbe_init_fdir_perfect_82599(struct ixgbe_hw *hw, u32 fdirctrl)
1364 +s32 ixgbe_init_fdir_perfect_82599(struct ixgbe_hw *hw, u32 fdirctrl,
1365 + bool cloud_mode)
1266 1366 {
1267 1367 DEBUGFUNC("ixgbe_init_fdir_perfect_82599");
1268 1368
1269 1369 /*
1270 1370 * Continue setup of fdirctrl register bits:
1271 1371 * Turn perfect match filtering on
1272 1372 * Report hash in RSS field of Rx wb descriptor
1273 - * Initialize the drop queue
1373 + * Initialize the drop queue to queue 127
1274 1374 * Move the flexible bytes to use the ethertype - shift 6 words
1275 1375 * Set the maximum length per hash bucket to 0xA filters
1276 1376 * Send interrupt when 64 (0x4 * 16) filters are left
1277 1377 */
1278 1378 fdirctrl |= IXGBE_FDIRCTRL_PERFECT_MATCH |
1279 1379 IXGBE_FDIRCTRL_REPORT_STATUS |
1280 1380 (IXGBE_FDIR_DROP_QUEUE << IXGBE_FDIRCTRL_DROP_Q_SHIFT) |
1281 1381 (0x6 << IXGBE_FDIRCTRL_FLEX_SHIFT) |
1282 1382 (0xA << IXGBE_FDIRCTRL_MAX_LENGTH_SHIFT) |
1283 1383 (4 << IXGBE_FDIRCTRL_FULL_THRESH_SHIFT);
1384 + if ((hw->mac.type == ixgbe_mac_X550) ||
1385 + (hw->mac.type == ixgbe_mac_X550EM_x))
1386 + fdirctrl |= IXGBE_FDIRCTRL_DROP_NO_MATCH;
1284 1387
1388 + if (cloud_mode)
1389 + fdirctrl |=(IXGBE_FDIRCTRL_FILTERMODE_CLOUD <<
1390 + IXGBE_FDIRCTRL_FILTERMODE_SHIFT);
1391 +
1285 1392 /* write hashes and fdirctrl register, poll for completion */
1286 1393 ixgbe_fdir_enable_82599(hw, fdirctrl);
1287 1394
1288 1395 return IXGBE_SUCCESS;
1289 1396 }
1290 1397
1398 +/**
1399 + * ixgbe_set_fdir_drop_queue_82599 - Set Flow Director drop queue
1400 + * @hw: pointer to hardware structure
1401 + * @dropqueue: Rx queue index used for the dropped packets
1402 + **/
1403 +void ixgbe_set_fdir_drop_queue_82599(struct ixgbe_hw *hw, u8 dropqueue)
1404 +{
1405 + u32 fdirctrl;
1406 +
1407 + DEBUGFUNC("ixgbe_set_fdir_drop_queue_82599");
1408 + /* Clear init done bit and drop queue field */
1409 + fdirctrl = IXGBE_READ_REG(hw, IXGBE_FDIRCTRL);
1410 + fdirctrl &= ~(IXGBE_FDIRCTRL_DROP_Q_MASK | IXGBE_FDIRCTRL_INIT_DONE);
1411 +
1412 + /* Set drop queue */
1413 + fdirctrl |= (dropqueue << IXGBE_FDIRCTRL_DROP_Q_SHIFT);
1414 + if ((hw->mac.type == ixgbe_mac_X550) ||
1415 + (hw->mac.type == ixgbe_mac_X550EM_x))
1416 + fdirctrl |= IXGBE_FDIRCTRL_DROP_NO_MATCH;
1417 +
1418 + IXGBE_WRITE_REG(hw, IXGBE_FDIRCMD,
1419 + (IXGBE_READ_REG(hw, IXGBE_FDIRCMD) |
1420 + IXGBE_FDIRCMD_CLEARHT));
1421 + IXGBE_WRITE_FLUSH(hw);
1422 + IXGBE_WRITE_REG(hw, IXGBE_FDIRCMD,
1423 + (IXGBE_READ_REG(hw, IXGBE_FDIRCMD) &
1424 + ~IXGBE_FDIRCMD_CLEARHT));
1425 + IXGBE_WRITE_FLUSH(hw);
1426 +
1427 + /* write hashes and fdirctrl register, poll for completion */
1428 + ixgbe_fdir_enable_82599(hw, fdirctrl);
1429 +}
1430 +
1291 1431 /*
1292 1432 * These defines allow us to quickly generate all of the necessary instructions
1293 1433 * in the function below by simply calling out IXGBE_COMPUTE_SIG_HASH_ITERATION
1294 1434 * for values 0 through 15
1295 1435 */
1296 1436 #define IXGBE_ATR_COMMON_HASH_KEY \
1297 1437 (IXGBE_ATR_BUCKET_HASH_KEY & IXGBE_ATR_SIGNATURE_HASH_KEY)
1298 -#ifdef lint
1299 -#define IXGBE_COMPUTE_SIG_HASH_ITERATION(_n)
1300 -#else
1301 1438 #define IXGBE_COMPUTE_SIG_HASH_ITERATION(_n) \
1302 1439 do { \
1303 1440 u32 n = (_n); \
1304 1441 if (IXGBE_ATR_COMMON_HASH_KEY & (0x01 << n)) \
1305 1442 common_hash ^= lo_hash_dword >> n; \
1306 1443 else if (IXGBE_ATR_BUCKET_HASH_KEY & (0x01 << n)) \
1307 1444 bucket_hash ^= lo_hash_dword >> n; \
1308 1445 else if (IXGBE_ATR_SIGNATURE_HASH_KEY & (0x01 << n)) \
1309 1446 sig_hash ^= lo_hash_dword << (16 - n); \
1310 1447 if (IXGBE_ATR_COMMON_HASH_KEY & (0x01 << (n + 16))) \
1311 1448 common_hash ^= hi_hash_dword >> n; \
1312 1449 else if (IXGBE_ATR_BUCKET_HASH_KEY & (0x01 << (n + 16))) \
1313 1450 bucket_hash ^= hi_hash_dword >> n; \
1314 1451 else if (IXGBE_ATR_SIGNATURE_HASH_KEY & (0x01 << (n + 16))) \
1315 1452 sig_hash ^= hi_hash_dword << (16 - n); \
1316 -} while (0);
1317 -#endif
1453 +} while (0)
1318 1454
1319 1455 /**
1320 1456 * ixgbe_atr_compute_sig_hash_82599 - Compute the signature hash
1321 1457 * @stream: input bitstream to compute the hash on
1322 1458 *
1323 1459 * This function is almost identical to the function above but contains
1324 - * several optomizations such as unwinding all of the loops, letting the
1460 + * several optimizations such as unwinding all of the loops, letting the
1325 1461 * compiler work out all of the conditional ifs since the keys are static
1326 1462 * defines, and computing two keys at once since the hashed dword stream
1327 1463 * will be the same for both keys.
1328 1464 **/
1329 1465 u32 ixgbe_atr_compute_sig_hash_82599(union ixgbe_atr_hash_dword input,
1330 1466 union ixgbe_atr_hash_dword common)
1331 1467 {
1332 1468 u32 hi_hash_dword, lo_hash_dword, flow_vm_vlan;
1333 1469 u32 sig_hash = 0, bucket_hash = 0, common_hash = 0;
1334 1470
1335 1471 /* record the flow_vm_vlan bits as they are a key part to the hash */
1336 1472 flow_vm_vlan = IXGBE_NTOHL(input.dword);
1337 1473
1338 1474 /* generate common hash dword */
1339 1475 hi_hash_dword = IXGBE_NTOHL(common.dword);
1340 1476
1341 1477 /* low dword is word swapped version of common */
1342 1478 lo_hash_dword = (hi_hash_dword >> 16) | (hi_hash_dword << 16);
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1343 1479
1344 1480 /* apply flow ID/VM pool/VLAN ID bits to hash words */
1345 1481 hi_hash_dword ^= flow_vm_vlan ^ (flow_vm_vlan >> 16);
1346 1482
1347 1483 /* Process bits 0 and 16 */
1348 1484 IXGBE_COMPUTE_SIG_HASH_ITERATION(0);
1349 1485
1350 1486 /*
1351 1487 * apply flow ID/VM pool/VLAN ID bits to lo hash dword, we had to
1352 1488 * delay this because bit 0 of the stream should not be processed
1353 - * so we do not add the vlan until after bit 0 was processed
1489 + * so we do not add the VLAN until after bit 0 was processed
1354 1490 */
1355 1491 lo_hash_dword ^= flow_vm_vlan ^ (flow_vm_vlan << 16);
1356 1492
1357 1493 /* Process remaining 30 bit of the key */
1358 1494 IXGBE_COMPUTE_SIG_HASH_ITERATION(1);
1359 1495 IXGBE_COMPUTE_SIG_HASH_ITERATION(2);
1360 1496 IXGBE_COMPUTE_SIG_HASH_ITERATION(3);
1361 1497 IXGBE_COMPUTE_SIG_HASH_ITERATION(4);
1362 1498 IXGBE_COMPUTE_SIG_HASH_ITERATION(5);
1363 1499 IXGBE_COMPUTE_SIG_HASH_ITERATION(6);
1364 1500 IXGBE_COMPUTE_SIG_HASH_ITERATION(7);
1365 1501 IXGBE_COMPUTE_SIG_HASH_ITERATION(8);
1366 1502 IXGBE_COMPUTE_SIG_HASH_ITERATION(9);
1367 1503 IXGBE_COMPUTE_SIG_HASH_ITERATION(10);
1368 1504 IXGBE_COMPUTE_SIG_HASH_ITERATION(11);
1369 1505 IXGBE_COMPUTE_SIG_HASH_ITERATION(12);
1370 1506 IXGBE_COMPUTE_SIG_HASH_ITERATION(13);
1371 1507 IXGBE_COMPUTE_SIG_HASH_ITERATION(14);
1372 1508 IXGBE_COMPUTE_SIG_HASH_ITERATION(15);
1373 1509
1374 1510 /* combine common_hash result with signature and bucket hashes */
1375 1511 bucket_hash ^= common_hash;
1376 1512 bucket_hash &= IXGBE_ATR_HASH_MASK;
1377 1513
1378 1514 sig_hash ^= common_hash << 16;
1379 1515 sig_hash &= IXGBE_ATR_HASH_MASK << 16;
1380 1516
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1381 1517 /* return completed signature hash */
1382 1518 return sig_hash ^ bucket_hash;
1383 1519 }
1384 1520
1385 1521 /**
1386 1522 * ixgbe_atr_add_signature_filter_82599 - Adds a signature hash filter
1387 1523 * @hw: pointer to hardware structure
1388 1524 * @input: unique input dword
1389 1525 * @common: compressed common input dword
1390 1526 * @queue: queue index to direct traffic to
1527 + *
1528 + * Note that the tunnel bit in input must not be set when the hardware
1529 + * tunneling support does not exist.
1391 1530 **/
1392 -s32 ixgbe_fdir_add_signature_filter_82599(struct ixgbe_hw *hw,
1393 - union ixgbe_atr_hash_dword input,
1394 - union ixgbe_atr_hash_dword common,
1395 - u8 queue)
1531 +void ixgbe_fdir_add_signature_filter_82599(struct ixgbe_hw *hw,
1532 + union ixgbe_atr_hash_dword input,
1533 + union ixgbe_atr_hash_dword common,
1534 + u8 queue)
1396 1535 {
1397 - u64 fdirhashcmd;
1398 - u32 fdircmd;
1536 + u64 fdirhashcmd;
1537 + u8 flow_type;
1538 + bool tunnel;
1539 + u32 fdircmd;
1399 1540
1400 1541 DEBUGFUNC("ixgbe_fdir_add_signature_filter_82599");
1401 1542
1402 1543 /*
1403 1544 * Get the flow_type in order to program FDIRCMD properly
1404 1545 * lowest 2 bits are FDIRCMD.L4TYPE, third lowest bit is FDIRCMD.IPV6
1546 + * fifth is FDIRCMD.TUNNEL_FILTER
1405 1547 */
1406 - switch (input.formatted.flow_type) {
1548 + tunnel = !!(input.formatted.flow_type & IXGBE_ATR_L4TYPE_TUNNEL_MASK);
1549 + flow_type = input.formatted.flow_type &
1550 + (IXGBE_ATR_L4TYPE_TUNNEL_MASK - 1);
1551 + switch (flow_type) {
1407 1552 case IXGBE_ATR_FLOW_TYPE_TCPV4:
1408 1553 case IXGBE_ATR_FLOW_TYPE_UDPV4:
1409 1554 case IXGBE_ATR_FLOW_TYPE_SCTPV4:
1410 1555 case IXGBE_ATR_FLOW_TYPE_TCPV6:
1411 1556 case IXGBE_ATR_FLOW_TYPE_UDPV6:
1412 1557 case IXGBE_ATR_FLOW_TYPE_SCTPV6:
1413 1558 break;
1414 1559 default:
1415 1560 DEBUGOUT(" Error on flow type input\n");
1416 - return IXGBE_ERR_CONFIG;
1561 + return;
1417 1562 }
1418 1563
1419 1564 /* configure FDIRCMD register */
1420 1565 fdircmd = IXGBE_FDIRCMD_CMD_ADD_FLOW | IXGBE_FDIRCMD_FILTER_UPDATE |
1421 1566 IXGBE_FDIRCMD_LAST | IXGBE_FDIRCMD_QUEUE_EN;
1422 - fdircmd |= input.formatted.flow_type << IXGBE_FDIRCMD_FLOW_TYPE_SHIFT;
1567 + fdircmd |= (u32)flow_type << IXGBE_FDIRCMD_FLOW_TYPE_SHIFT;
1423 1568 fdircmd |= (u32)queue << IXGBE_FDIRCMD_RX_QUEUE_SHIFT;
1569 + if (tunnel)
1570 + fdircmd |= IXGBE_FDIRCMD_TUNNEL_FILTER;
1424 1571
1425 1572 /*
1426 1573 * The lower 32-bits of fdirhashcmd is for FDIRHASH, the upper 32-bits
1427 1574 * is for FDIRCMD. Then do a 64-bit register write from FDIRHASH.
1428 1575 */
1429 1576 fdirhashcmd = (u64)fdircmd << 32;
1430 1577 fdirhashcmd |= ixgbe_atr_compute_sig_hash_82599(input, common);
1431 1578 IXGBE_WRITE_REG64(hw, IXGBE_FDIRHASH, fdirhashcmd);
1432 1579
1433 1580 DEBUGOUT2("Tx Queue=%x hash=%x\n", queue, (u32)fdirhashcmd);
1434 1581
1435 - return IXGBE_SUCCESS;
1582 + return;
1436 1583 }
1437 1584
1438 -#ifdef lint
1439 -#define IXGBE_COMPUTE_BKT_HASH_ITERATION(_n)
1440 -#else
1441 1585 #define IXGBE_COMPUTE_BKT_HASH_ITERATION(_n) \
1442 1586 do { \
1443 1587 u32 n = (_n); \
1444 1588 if (IXGBE_ATR_BUCKET_HASH_KEY & (0x01 << n)) \
1445 1589 bucket_hash ^= lo_hash_dword >> n; \
1446 1590 if (IXGBE_ATR_BUCKET_HASH_KEY & (0x01 << (n + 16))) \
1447 1591 bucket_hash ^= hi_hash_dword >> n; \
1448 -} while (0);
1449 -#endif
1592 +} while (0)
1593 +
1450 1594 /**
1451 1595 * ixgbe_atr_compute_perfect_hash_82599 - Compute the perfect filter hash
1452 1596 * @atr_input: input bitstream to compute the hash on
1453 1597 * @input_mask: mask for the input bitstream
1454 1598 *
1455 - * This function serves two main purposes. First it applys the input_mask
1599 + * This function serves two main purposes. First it applies the input_mask
1456 1600 * to the atr_input resulting in a cleaned up atr_input data stream.
1457 1601 * Secondly it computes the hash and stores it in the bkt_hash field at
1458 1602 * the end of the input byte stream. This way it will be available for
1459 1603 * future use without needing to recompute the hash.
1460 1604 **/
1461 1605 void ixgbe_atr_compute_perfect_hash_82599(union ixgbe_atr_input *input,
1462 1606 union ixgbe_atr_input *input_mask)
1463 1607 {
1464 1608
1465 1609 u32 hi_hash_dword, lo_hash_dword, flow_vm_vlan;
1466 1610 u32 bucket_hash = 0;
1611 + u32 hi_dword = 0;
1612 + u32 i = 0;
1467 1613
1468 1614 /* Apply masks to input data */
1469 - input->dword_stream[0] &= input_mask->dword_stream[0];
1470 - input->dword_stream[1] &= input_mask->dword_stream[1];
1471 - input->dword_stream[2] &= input_mask->dword_stream[2];
1472 - input->dword_stream[3] &= input_mask->dword_stream[3];
1473 - input->dword_stream[4] &= input_mask->dword_stream[4];
1474 - input->dword_stream[5] &= input_mask->dword_stream[5];
1475 - input->dword_stream[6] &= input_mask->dword_stream[6];
1476 - input->dword_stream[7] &= input_mask->dword_stream[7];
1477 - input->dword_stream[8] &= input_mask->dword_stream[8];
1478 - input->dword_stream[9] &= input_mask->dword_stream[9];
1479 - input->dword_stream[10] &= input_mask->dword_stream[10];
1615 + for (i = 0; i < 14; i++)
1616 + input->dword_stream[i] &= input_mask->dword_stream[i];
1480 1617
1481 1618 /* record the flow_vm_vlan bits as they are a key part to the hash */
1482 1619 flow_vm_vlan = IXGBE_NTOHL(input->dword_stream[0]);
1483 1620
1484 1621 /* generate common hash dword */
1485 - hi_hash_dword = IXGBE_NTOHL(input->dword_stream[1] ^
1486 - input->dword_stream[2] ^
1487 - input->dword_stream[3] ^
1488 - input->dword_stream[4] ^
1489 - input->dword_stream[5] ^
1490 - input->dword_stream[6] ^
1491 - input->dword_stream[7] ^
1492 - input->dword_stream[8] ^
1493 - input->dword_stream[9] ^
1494 - input->dword_stream[10]);
1622 + for (i = 1; i <= 13; i++)
1623 + hi_dword ^= input->dword_stream[i];
1624 + hi_hash_dword = IXGBE_NTOHL(hi_dword);
1495 1625
1496 1626 /* low dword is word swapped version of common */
1497 1627 lo_hash_dword = (hi_hash_dword >> 16) | (hi_hash_dword << 16);
1498 1628
1499 1629 /* apply flow ID/VM pool/VLAN ID bits to hash words */
1500 1630 hi_hash_dword ^= flow_vm_vlan ^ (flow_vm_vlan >> 16);
1501 1631
1502 1632 /* Process bits 0 and 16 */
1503 1633 IXGBE_COMPUTE_BKT_HASH_ITERATION(0);
1504 1634
1505 1635 /*
1506 1636 * apply flow ID/VM pool/VLAN ID bits to lo hash dword, we had to
1507 1637 * delay this because bit 0 of the stream should not be processed
1508 - * so we do not add the vlan until after bit 0 was processed
1638 + * so we do not add the VLAN until after bit 0 was processed
1509 1639 */
1510 1640 lo_hash_dword ^= flow_vm_vlan ^ (flow_vm_vlan << 16);
1511 1641
1512 1642 /* Process remaining 30 bit of the key */
1513 - IXGBE_COMPUTE_BKT_HASH_ITERATION(1);
1514 - IXGBE_COMPUTE_BKT_HASH_ITERATION(2);
1515 - IXGBE_COMPUTE_BKT_HASH_ITERATION(3);
1516 - IXGBE_COMPUTE_BKT_HASH_ITERATION(4);
1517 - IXGBE_COMPUTE_BKT_HASH_ITERATION(5);
1518 - IXGBE_COMPUTE_BKT_HASH_ITERATION(6);
1519 - IXGBE_COMPUTE_BKT_HASH_ITERATION(7);
1520 - IXGBE_COMPUTE_BKT_HASH_ITERATION(8);
1521 - IXGBE_COMPUTE_BKT_HASH_ITERATION(9);
1522 - IXGBE_COMPUTE_BKT_HASH_ITERATION(10);
1523 - IXGBE_COMPUTE_BKT_HASH_ITERATION(11);
1524 - IXGBE_COMPUTE_BKT_HASH_ITERATION(12);
1525 - IXGBE_COMPUTE_BKT_HASH_ITERATION(13);
1526 - IXGBE_COMPUTE_BKT_HASH_ITERATION(14);
1527 - IXGBE_COMPUTE_BKT_HASH_ITERATION(15);
1643 + for (i = 1; i <= 15; i++)
1644 + IXGBE_COMPUTE_BKT_HASH_ITERATION(i);
1528 1645
1529 1646 /*
1530 1647 * Limit hash to 13 bits since max bucket count is 8K.
1531 1648 * Store result at the end of the input stream.
1532 1649 */
1533 1650 input->formatted.bkt_hash = bucket_hash & 0x1FFF;
1534 1651 }
1535 1652
1536 1653 /**
1537 - * ixgbe_get_fdirtcpm_82599 - generate a tcp port from atr_input_masks
1654 + * ixgbe_get_fdirtcpm_82599 - generate a TCP port from atr_input_masks
1538 1655 * @input_mask: mask to be bit swapped
1539 1656 *
1540 1657 * The source and destination port masks for flow director are bit swapped
1541 1658 * in that bit 15 effects bit 0, 14 effects 1, 13, 2 etc. In order to
1542 1659 * generate a correctly swapped value we need to bit swap the mask and that
1543 1660 * is what is accomplished by this function.
1544 1661 **/
1545 1662 static u32 ixgbe_get_fdirtcpm_82599(union ixgbe_atr_input *input_mask)
1546 1663 {
1547 1664 u32 mask = IXGBE_NTOHS(input_mask->formatted.dst_port);
1548 1665 mask <<= IXGBE_FDIRTCPM_DPORTM_SHIFT;
1549 1666 mask |= IXGBE_NTOHS(input_mask->formatted.src_port);
1550 1667 mask = ((mask & 0x55555555) << 1) | ((mask & 0xAAAAAAAA) >> 1);
1551 1668 mask = ((mask & 0x33333333) << 2) | ((mask & 0xCCCCCCCC) >> 2);
1552 1669 mask = ((mask & 0x0F0F0F0F) << 4) | ((mask & 0xF0F0F0F0) >> 4);
1553 1670 return ((mask & 0x00FF00FF) << 8) | ((mask & 0xFF00FF00) >> 8);
1554 1671 }
1555 1672
1556 1673 /*
1557 1674 * These two macros are meant to address the fact that we have registers
1558 1675 * that are either all or in part big-endian. As a result on big-endian
1559 1676 * systems we will end up byte swapping the value to little-endian before
1560 1677 * it is byte swapped again and written to the hardware in the original
1561 1678 * big-endian format.
1562 1679 */
1563 1680 #define IXGBE_STORE_AS_BE32(_value) \
|
↓ open down ↓ |
16 lines elided |
↑ open up ↑ |
1564 1681 (((u32)(_value) >> 24) | (((u32)(_value) & 0x00FF0000) >> 8) | \
1565 1682 (((u32)(_value) & 0x0000FF00) << 8) | ((u32)(_value) << 24))
1566 1683
1567 1684 #define IXGBE_WRITE_REG_BE32(a, reg, value) \
1568 1685 IXGBE_WRITE_REG((a), (reg), IXGBE_STORE_AS_BE32(IXGBE_NTOHL(value)))
1569 1686
1570 1687 #define IXGBE_STORE_AS_BE16(_value) \
1571 1688 IXGBE_NTOHS(((u16)(_value) >> 8) | ((u16)(_value) << 8))
1572 1689
1573 1690 s32 ixgbe_fdir_set_input_mask_82599(struct ixgbe_hw *hw,
1574 - union ixgbe_atr_input *input_mask)
1691 + union ixgbe_atr_input *input_mask, bool cloud_mode)
1575 1692 {
1576 1693 /* mask IPv6 since it is currently not supported */
1577 1694 u32 fdirm = IXGBE_FDIRM_DIPv6;
1578 1695 u32 fdirtcpm;
1579 -
1696 + u32 fdirip6m;
1580 1697 DEBUGFUNC("ixgbe_fdir_set_atr_input_mask_82599");
1581 1698
1582 1699 /*
1583 1700 * Program the relevant mask registers. If src/dst_port or src/dst_addr
1584 1701 * are zero, then assume a full mask for that field. Also assume that
1585 1702 * a VLAN of 0 is unspecified, so mask that out as well. L4type
1586 1703 * cannot be masked out in this implementation.
1587 1704 *
1588 1705 * This also assumes IPv4 only. IPv6 masking isn't supported at this
1589 1706 * point in time.
1590 1707 */
1591 1708
1592 1709 /* verify bucket hash is cleared on hash generation */
1593 1710 if (input_mask->formatted.bkt_hash)
1594 1711 DEBUGOUT(" bucket hash should always be 0 in mask\n");
1595 1712
1596 1713 /* Program FDIRM and verify partial masks */
1597 1714 switch (input_mask->formatted.vm_pool & 0x7F) {
1598 1715 case 0x0:
1599 1716 fdirm |= IXGBE_FDIRM_POOL;
1600 - /* FALLTHRU */
1601 1717 case 0x7F:
1602 1718 break;
1603 1719 default:
1604 1720 DEBUGOUT(" Error on vm pool mask\n");
1605 1721 return IXGBE_ERR_CONFIG;
1606 1722 }
1607 1723
1608 1724 switch (input_mask->formatted.flow_type & IXGBE_ATR_L4TYPE_MASK) {
1609 1725 case 0x0:
1610 1726 fdirm |= IXGBE_FDIRM_L4P;
1611 1727 if (input_mask->formatted.dst_port ||
1612 1728 input_mask->formatted.src_port) {
1613 1729 DEBUGOUT(" Error on src/dst port mask\n");
1614 1730 return IXGBE_ERR_CONFIG;
1615 1731 }
1616 - /* FALLTHRU */
1617 1732 case IXGBE_ATR_L4TYPE_MASK:
1618 1733 break;
1619 1734 default:
1620 1735 DEBUGOUT(" Error on flow type mask\n");
1621 1736 return IXGBE_ERR_CONFIG;
1622 1737 }
1623 1738
1624 1739 switch (IXGBE_NTOHS(input_mask->formatted.vlan_id) & 0xEFFF) {
1625 1740 case 0x0000:
1626 1741 /* mask VLAN ID, fall through to mask VLAN priority */
1627 1742 fdirm |= IXGBE_FDIRM_VLANID;
1628 - /* FALLTHRU */
1629 1743 case 0x0FFF:
1630 1744 /* mask VLAN priority */
1631 1745 fdirm |= IXGBE_FDIRM_VLANP;
1632 1746 break;
1633 1747 case 0xE000:
1634 1748 /* mask VLAN ID only, fall through */
1635 1749 fdirm |= IXGBE_FDIRM_VLANID;
1636 - /* FALLTHRU */
1637 1750 case 0xEFFF:
1638 1751 /* no VLAN fields masked */
1639 1752 break;
1640 1753 default:
1641 1754 DEBUGOUT(" Error on VLAN mask\n");
1642 1755 return IXGBE_ERR_CONFIG;
1643 1756 }
1644 1757
1645 1758 switch (input_mask->formatted.flex_bytes & 0xFFFF) {
1646 1759 case 0x0000:
1647 1760 /* Mask Flex Bytes, fall through */
1648 1761 fdirm |= IXGBE_FDIRM_FLEX;
1649 - /* FALLTHRU */
1650 1762 case 0xFFFF:
1651 1763 break;
1652 1764 default:
1653 1765 DEBUGOUT(" Error on flexible byte mask\n");
1654 1766 return IXGBE_ERR_CONFIG;
1655 1767 }
1656 1768
1769 + if (cloud_mode) {
1770 + fdirm |= IXGBE_FDIRM_L3P;
1771 + fdirip6m = ((u32) 0xFFFFU << IXGBE_FDIRIP6M_DIPM_SHIFT);
1772 + fdirip6m |= IXGBE_FDIRIP6M_ALWAYS_MASK;
1773 +
1774 + switch (input_mask->formatted.inner_mac[0] & 0xFF) {
1775 + case 0x00:
1776 + /* Mask inner MAC, fall through */
1777 + fdirip6m |= IXGBE_FDIRIP6M_INNER_MAC;
1778 + case 0xFF:
1779 + break;
1780 + default:
1781 + DEBUGOUT(" Error on inner_mac byte mask\n");
1782 + return IXGBE_ERR_CONFIG;
1783 + }
1784 +
1785 + switch (input_mask->formatted.tni_vni & 0xFFFFFFFF) {
1786 + case 0x0:
1787 + /* Mask vxlan id */
1788 + fdirip6m |= IXGBE_FDIRIP6M_TNI_VNI;
1789 + break;
1790 + case 0x00FFFFFF:
1791 + fdirip6m |= IXGBE_FDIRIP6M_TNI_VNI_24;
1792 + break;
1793 + case 0xFFFFFFFF:
1794 + break;
1795 + default:
1796 + DEBUGOUT(" Error on TNI/VNI byte mask\n");
1797 + return IXGBE_ERR_CONFIG;
1798 + }
1799 +
1800 + switch (input_mask->formatted.tunnel_type & 0xFFFF) {
1801 + case 0x0:
1802 + /* Mask turnnel type, fall through */
1803 + fdirip6m |= IXGBE_FDIRIP6M_TUNNEL_TYPE;
1804 + case 0xFFFF:
1805 + break;
1806 + default:
1807 + DEBUGOUT(" Error on tunnel type byte mask\n");
1808 + return IXGBE_ERR_CONFIG;
1809 + }
1810 + IXGBE_WRITE_REG_BE32(hw, IXGBE_FDIRIP6M, fdirip6m);
1811 +
1812 + /* Set all bits in FDIRTCPM, FDIRUDPM, FDIRSIP4M and
1813 + * FDIRDIP4M in cloud mode to allow L3/L3 packets to
1814 + * tunnel.
1815 + */
1816 + IXGBE_WRITE_REG(hw, IXGBE_FDIRTCPM, 0xFFFFFFFF);
1817 + IXGBE_WRITE_REG(hw, IXGBE_FDIRUDPM, 0xFFFFFFFF);
1818 + IXGBE_WRITE_REG_BE32(hw, IXGBE_FDIRDIP4M, 0xFFFFFFFF);
1819 + IXGBE_WRITE_REG_BE32(hw, IXGBE_FDIRSIP4M, 0xFFFFFFFF);
1820 + }
1821 +
1657 1822 /* Now mask VM pool and destination IPv6 - bits 5 and 2 */
1658 1823 IXGBE_WRITE_REG(hw, IXGBE_FDIRM, fdirm);
1659 1824
1660 - /* store the TCP/UDP port masks, bit reversed from port layout */
1661 - fdirtcpm = ixgbe_get_fdirtcpm_82599(input_mask);
1825 + if (!cloud_mode) {
1826 + /* store the TCP/UDP port masks, bit reversed from port
1827 + * layout */
1828 + fdirtcpm = ixgbe_get_fdirtcpm_82599(input_mask);
1662 1829
1663 - /* write both the same so that UDP and TCP use the same mask */
1664 - IXGBE_WRITE_REG(hw, IXGBE_FDIRTCPM, ~fdirtcpm);
1665 - IXGBE_WRITE_REG(hw, IXGBE_FDIRUDPM, ~fdirtcpm);
1830 + /* write both the same so that UDP and TCP use the same mask */
1831 + IXGBE_WRITE_REG(hw, IXGBE_FDIRTCPM, ~fdirtcpm);
1832 + IXGBE_WRITE_REG(hw, IXGBE_FDIRUDPM, ~fdirtcpm);
1833 + /* also use it for SCTP */
1834 + switch (hw->mac.type) {
1835 + case ixgbe_mac_X550:
1836 + case ixgbe_mac_X550EM_x:
1837 + IXGBE_WRITE_REG(hw, IXGBE_FDIRSCTPM, ~fdirtcpm);
1838 + break;
1839 + default:
1840 + break;
1841 + }
1666 1842
1667 - /* store source and destination IP masks (big-enian) */
1668 - IXGBE_WRITE_REG_BE32(hw, IXGBE_FDIRSIP4M,
1669 - ~input_mask->formatted.src_ip[0]);
1670 - IXGBE_WRITE_REG_BE32(hw, IXGBE_FDIRDIP4M,
1671 - ~input_mask->formatted.dst_ip[0]);
1672 -
1843 + /* store source and destination IP masks (big-enian) */
1844 + IXGBE_WRITE_REG_BE32(hw, IXGBE_FDIRSIP4M,
1845 + ~input_mask->formatted.src_ip[0]);
1846 + IXGBE_WRITE_REG_BE32(hw, IXGBE_FDIRDIP4M,
1847 + ~input_mask->formatted.dst_ip[0]);
1848 + }
1673 1849 return IXGBE_SUCCESS;
1674 1850 }
1675 1851
1676 1852 s32 ixgbe_fdir_write_perfect_filter_82599(struct ixgbe_hw *hw,
1677 1853 union ixgbe_atr_input *input,
1678 - u16 soft_id, u8 queue)
1854 + u16 soft_id, u8 queue, bool cloud_mode)
1679 1855 {
1680 1856 u32 fdirport, fdirvlan, fdirhash, fdircmd;
1857 + u32 addr_low, addr_high;
1858 + u32 cloud_type = 0;
1859 + s32 err;
1681 1860
1682 1861 DEBUGFUNC("ixgbe_fdir_write_perfect_filter_82599");
1862 + if (!cloud_mode) {
1863 + /* currently IPv6 is not supported, must be programmed with 0 */
1864 + IXGBE_WRITE_REG_BE32(hw, IXGBE_FDIRSIPv6(0),
1865 + input->formatted.src_ip[0]);
1866 + IXGBE_WRITE_REG_BE32(hw, IXGBE_FDIRSIPv6(1),
1867 + input->formatted.src_ip[1]);
1868 + IXGBE_WRITE_REG_BE32(hw, IXGBE_FDIRSIPv6(2),
1869 + input->formatted.src_ip[2]);
1683 1870
1684 - /* currently IPv6 is not supported, must be programmed with 0 */
1685 - IXGBE_WRITE_REG_BE32(hw, IXGBE_FDIRSIPv6(0),
1686 - input->formatted.src_ip[0]);
1687 - IXGBE_WRITE_REG_BE32(hw, IXGBE_FDIRSIPv6(1),
1688 - input->formatted.src_ip[1]);
1689 - IXGBE_WRITE_REG_BE32(hw, IXGBE_FDIRSIPv6(2),
1690 - input->formatted.src_ip[2]);
1871 + /* record the source address (big-endian) */
1872 + IXGBE_WRITE_REG_BE32(hw, IXGBE_FDIRIPSA,
1873 + input->formatted.src_ip[0]);
1691 1874
1692 - /* record the source address (big-endian) */
1693 - IXGBE_WRITE_REG_BE32(hw, IXGBE_FDIRIPSA, input->formatted.src_ip[0]);
1875 + /* record the first 32 bits of the destination address
1876 + * (big-endian) */
1877 + IXGBE_WRITE_REG_BE32(hw, IXGBE_FDIRIPDA,
1878 + input->formatted.dst_ip[0]);
1694 1879
1695 - /* record the first 32 bits of the destination address (big-endian) */
1696 - IXGBE_WRITE_REG_BE32(hw, IXGBE_FDIRIPDA, input->formatted.dst_ip[0]);
1880 + /* record source and destination port (little-endian)*/
1881 + fdirport = IXGBE_NTOHS(input->formatted.dst_port);
1882 + fdirport <<= IXGBE_FDIRPORT_DESTINATION_SHIFT;
1883 + fdirport |= IXGBE_NTOHS(input->formatted.src_port);
1884 + IXGBE_WRITE_REG(hw, IXGBE_FDIRPORT, fdirport);
1885 + }
1697 1886
1698 - /* record source and destination port (little-endian)*/
1699 - fdirport = IXGBE_NTOHS(input->formatted.dst_port);
1700 - fdirport <<= IXGBE_FDIRPORT_DESTINATION_SHIFT;
1701 - fdirport |= IXGBE_NTOHS(input->formatted.src_port);
1702 - IXGBE_WRITE_REG(hw, IXGBE_FDIRPORT, fdirport);
1703 -
1704 - /* record vlan (little-endian) and flex_bytes(big-endian) */
1887 + /* record VLAN (little-endian) and flex_bytes(big-endian) */
1705 1888 fdirvlan = IXGBE_STORE_AS_BE16(input->formatted.flex_bytes);
1706 1889 fdirvlan <<= IXGBE_FDIRVLAN_FLEX_SHIFT;
1707 1890 fdirvlan |= IXGBE_NTOHS(input->formatted.vlan_id);
1708 1891 IXGBE_WRITE_REG(hw, IXGBE_FDIRVLAN, fdirvlan);
1709 1892
1893 + if (cloud_mode) {
1894 + if (input->formatted.tunnel_type != 0)
1895 + cloud_type = 0x80000000;
1896 +
1897 + addr_low = ((u32)input->formatted.inner_mac[0] |
1898 + ((u32)input->formatted.inner_mac[1] << 8) |
1899 + ((u32)input->formatted.inner_mac[2] << 16) |
1900 + ((u32)input->formatted.inner_mac[3] << 24));
1901 + addr_high = ((u32)input->formatted.inner_mac[4] |
1902 + ((u32)input->formatted.inner_mac[5] << 8));
1903 + cloud_type |= addr_high;
1904 + IXGBE_WRITE_REG_BE32(hw, IXGBE_FDIRSIPv6(0), addr_low);
1905 + IXGBE_WRITE_REG_BE32(hw, IXGBE_FDIRSIPv6(1), cloud_type);
1906 + IXGBE_WRITE_REG_BE32(hw, IXGBE_FDIRSIPv6(2), input->formatted.tni_vni);
1907 + }
1908 +
1710 1909 /* configure FDIRHASH register */
1711 1910 fdirhash = input->formatted.bkt_hash;
1712 1911 fdirhash |= soft_id << IXGBE_FDIRHASH_SIG_SW_INDEX_SHIFT;
1713 1912 IXGBE_WRITE_REG(hw, IXGBE_FDIRHASH, fdirhash);
1714 1913
1715 1914 /*
1716 1915 * flush all previous writes to make certain registers are
1717 1916 * programmed prior to issuing the command
1718 1917 */
1719 1918 IXGBE_WRITE_FLUSH(hw);
1720 1919
1721 1920 /* configure FDIRCMD register */
1722 1921 fdircmd = IXGBE_FDIRCMD_CMD_ADD_FLOW | IXGBE_FDIRCMD_FILTER_UPDATE |
1723 1922 IXGBE_FDIRCMD_LAST | IXGBE_FDIRCMD_QUEUE_EN;
1724 1923 if (queue == IXGBE_FDIR_DROP_QUEUE)
1725 1924 fdircmd |= IXGBE_FDIRCMD_DROP;
1925 + if (input->formatted.flow_type & IXGBE_ATR_L4TYPE_TUNNEL_MASK)
1926 + fdircmd |= IXGBE_FDIRCMD_TUNNEL_FILTER;
1726 1927 fdircmd |= input->formatted.flow_type << IXGBE_FDIRCMD_FLOW_TYPE_SHIFT;
1727 1928 fdircmd |= (u32)queue << IXGBE_FDIRCMD_RX_QUEUE_SHIFT;
1728 1929 fdircmd |= (u32)input->formatted.vm_pool << IXGBE_FDIRCMD_VT_POOL_SHIFT;
1729 1930
1730 1931 IXGBE_WRITE_REG(hw, IXGBE_FDIRCMD, fdircmd);
1932 + err = ixgbe_fdir_check_cmd_complete(hw, &fdircmd);
1933 + if (err) {
1934 + DEBUGOUT("Flow Director command did not complete!\n");
1935 + return err;
1936 + }
1731 1937
1732 1938 return IXGBE_SUCCESS;
1733 1939 }
1734 1940
1735 1941 s32 ixgbe_fdir_erase_perfect_filter_82599(struct ixgbe_hw *hw,
1736 1942 union ixgbe_atr_input *input,
1737 1943 u16 soft_id)
1738 1944 {
1739 1945 u32 fdirhash;
1740 - u32 fdircmd = 0;
1741 - u32 retry_count;
1742 - s32 err = IXGBE_SUCCESS;
1946 + u32 fdircmd;
1947 + s32 err;
1743 1948
1744 1949 /* configure FDIRHASH register */
1745 1950 fdirhash = input->formatted.bkt_hash;
1746 1951 fdirhash |= soft_id << IXGBE_FDIRHASH_SIG_SW_INDEX_SHIFT;
1747 1952 IXGBE_WRITE_REG(hw, IXGBE_FDIRHASH, fdirhash);
1748 1953
1749 1954 /* flush hash to HW */
1750 1955 IXGBE_WRITE_FLUSH(hw);
1751 1956
1752 1957 /* Query if filter is present */
1753 1958 IXGBE_WRITE_REG(hw, IXGBE_FDIRCMD, IXGBE_FDIRCMD_CMD_QUERY_REM_FILT);
1754 1959
1755 - for (retry_count = 10; retry_count; retry_count--) {
1756 - /* allow 10us for query to process */
1757 - usec_delay(10);
1758 - /* verify query completed successfully */
1759 - fdircmd = IXGBE_READ_REG(hw, IXGBE_FDIRCMD);
1760 - if (!(fdircmd & IXGBE_FDIRCMD_CMD_MASK))
1761 - break;
1960 + err = ixgbe_fdir_check_cmd_complete(hw, &fdircmd);
1961 + if (err) {
1962 + DEBUGOUT("Flow Director command did not complete!\n");
1963 + return err;
1762 1964 }
1763 1965
1764 - if (!retry_count)
1765 - err = IXGBE_ERR_FDIR_REINIT_FAILED;
1766 -
1767 1966 /* if filter exists in hardware then remove it */
1768 1967 if (fdircmd & IXGBE_FDIRCMD_FILTER_VALID) {
1769 1968 IXGBE_WRITE_REG(hw, IXGBE_FDIRHASH, fdirhash);
1770 1969 IXGBE_WRITE_FLUSH(hw);
1771 1970 IXGBE_WRITE_REG(hw, IXGBE_FDIRCMD,
1772 1971 IXGBE_FDIRCMD_CMD_REMOVE_FLOW);
1773 1972 }
1774 1973
1775 - return err;
1974 + return IXGBE_SUCCESS;
1776 1975 }
1777 1976
1778 1977 /**
1779 1978 * ixgbe_fdir_add_perfect_filter_82599 - Adds a perfect filter
1780 1979 * @hw: pointer to hardware structure
1781 1980 * @input: input bitstream
1782 1981 * @input_mask: mask for the input bitstream
1783 1982 * @soft_id: software index for the filters
1784 1983 * @queue: queue index to direct traffic to
1785 1984 *
1786 1985 * Note that the caller to this function must lock before calling, since the
1787 1986 * hardware writes must be protected from one another.
1788 1987 **/
1789 1988 s32 ixgbe_fdir_add_perfect_filter_82599(struct ixgbe_hw *hw,
1790 1989 union ixgbe_atr_input *input,
1791 1990 union ixgbe_atr_input *input_mask,
1792 - u16 soft_id, u8 queue)
1991 + u16 soft_id, u8 queue, bool cloud_mode)
1793 1992 {
1794 1993 s32 err = IXGBE_ERR_CONFIG;
1795 1994
1796 1995 DEBUGFUNC("ixgbe_fdir_add_perfect_filter_82599");
1797 1996
1798 1997 /*
1799 1998 * Check flow_type formatting, and bail out before we touch the hardware
1800 1999 * if there's a configuration issue
1801 2000 */
1802 2001 switch (input->formatted.flow_type) {
1803 2002 case IXGBE_ATR_FLOW_TYPE_IPV4:
2003 + case IXGBE_ATR_FLOW_TYPE_TUNNELED_IPV4:
1804 2004 input_mask->formatted.flow_type = IXGBE_ATR_L4TYPE_IPV6_MASK;
1805 2005 if (input->formatted.dst_port || input->formatted.src_port) {
1806 2006 DEBUGOUT(" Error on src/dst port\n");
1807 2007 return IXGBE_ERR_CONFIG;
1808 2008 }
1809 2009 break;
1810 2010 case IXGBE_ATR_FLOW_TYPE_SCTPV4:
2011 + case IXGBE_ATR_FLOW_TYPE_TUNNELED_SCTPV4:
1811 2012 if (input->formatted.dst_port || input->formatted.src_port) {
1812 2013 DEBUGOUT(" Error on src/dst port\n");
1813 2014 return IXGBE_ERR_CONFIG;
1814 2015 }
1815 - /* FALLTHRU */
1816 2016 case IXGBE_ATR_FLOW_TYPE_TCPV4:
2017 + case IXGBE_ATR_FLOW_TYPE_TUNNELED_TCPV4:
1817 2018 case IXGBE_ATR_FLOW_TYPE_UDPV4:
2019 + case IXGBE_ATR_FLOW_TYPE_TUNNELED_UDPV4:
1818 2020 input_mask->formatted.flow_type = IXGBE_ATR_L4TYPE_IPV6_MASK |
1819 2021 IXGBE_ATR_L4TYPE_MASK;
1820 2022 break;
1821 2023 default:
1822 2024 DEBUGOUT(" Error on flow type input\n");
1823 2025 return err;
1824 2026 }
1825 2027
1826 2028 /* program input mask into the HW */
1827 - err = ixgbe_fdir_set_input_mask_82599(hw, input_mask);
2029 + err = ixgbe_fdir_set_input_mask_82599(hw, input_mask, cloud_mode);
1828 2030 if (err)
1829 2031 return err;
1830 2032
1831 2033 /* apply mask and compute/store hash */
1832 2034 ixgbe_atr_compute_perfect_hash_82599(input, input_mask);
1833 2035
1834 2036 /* program filters to filter memory */
1835 2037 return ixgbe_fdir_write_perfect_filter_82599(hw, input,
1836 - soft_id, queue);
2038 + soft_id, queue, cloud_mode);
1837 2039 }
1838 2040
1839 2041 /**
1840 2042 * ixgbe_read_analog_reg8_82599 - Reads 8 bit Omer analog register
1841 2043 * @hw: pointer to hardware structure
1842 2044 * @reg: analog register to read
1843 2045 * @val: read value
1844 2046 *
1845 2047 * Performs read operation to Omer analog register specified.
1846 2048 **/
1847 2049 s32 ixgbe_read_analog_reg8_82599(struct ixgbe_hw *hw, u32 reg, u8 *val)
1848 2050 {
1849 2051 u32 core_ctl;
1850 2052
1851 2053 DEBUGFUNC("ixgbe_read_analog_reg8_82599");
1852 2054
1853 2055 IXGBE_WRITE_REG(hw, IXGBE_CORECTL, IXGBE_CORECTL_WRITE_CMD |
1854 2056 (reg << 8));
1855 2057 IXGBE_WRITE_FLUSH(hw);
1856 2058 usec_delay(10);
1857 2059 core_ctl = IXGBE_READ_REG(hw, IXGBE_CORECTL);
1858 2060 *val = (u8)core_ctl;
1859 2061
1860 2062 return IXGBE_SUCCESS;
1861 2063 }
1862 2064
1863 2065 /**
1864 2066 * ixgbe_write_analog_reg8_82599 - Writes 8 bit Omer analog register
1865 2067 * @hw: pointer to hardware structure
1866 2068 * @reg: atlas register to write
1867 2069 * @val: value to write
1868 2070 *
1869 2071 * Performs write operation to Omer analog register specified.
1870 2072 **/
1871 2073 s32 ixgbe_write_analog_reg8_82599(struct ixgbe_hw *hw, u32 reg, u8 val)
1872 2074 {
1873 2075 u32 core_ctl;
1874 2076
1875 2077 DEBUGFUNC("ixgbe_write_analog_reg8_82599");
1876 2078
1877 2079 core_ctl = (reg << 8) | val;
1878 2080 IXGBE_WRITE_REG(hw, IXGBE_CORECTL, core_ctl);
1879 2081 IXGBE_WRITE_FLUSH(hw);
1880 2082 usec_delay(10);
1881 2083
1882 2084 return IXGBE_SUCCESS;
1883 2085 }
1884 2086
1885 2087 /**
1886 2088 * ixgbe_start_hw_82599 - Prepare hardware for Tx/Rx
1887 2089 * @hw: pointer to hardware structure
1888 2090 *
1889 2091 * Starts the hardware using the generic start_hw function
1890 2092 * and the generation start_hw function.
1891 2093 * Then performs revision-specific operations, if any.
1892 2094 **/
1893 2095 s32 ixgbe_start_hw_82599(struct ixgbe_hw *hw)
1894 2096 {
1895 2097 s32 ret_val = IXGBE_SUCCESS;
1896 2098
1897 2099 DEBUGFUNC("ixgbe_start_hw_82599");
1898 2100
1899 2101 ret_val = ixgbe_start_hw_generic(hw);
1900 2102 if (ret_val != IXGBE_SUCCESS)
1901 2103 goto out;
1902 2104
1903 2105 ret_val = ixgbe_start_hw_gen2(hw);
1904 2106 if (ret_val != IXGBE_SUCCESS)
1905 2107 goto out;
1906 2108
1907 2109 /* We need to run link autotry after the driver loads */
1908 2110 hw->mac.autotry_restart = TRUE;
1909 2111
1910 2112 if (ret_val == IXGBE_SUCCESS)
1911 2113 ret_val = ixgbe_verify_fw_version_82599(hw);
1912 2114 out:
1913 2115 return ret_val;
1914 2116 }
1915 2117
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1916 2118 /**
1917 2119 * ixgbe_identify_phy_82599 - Get physical layer module
1918 2120 * @hw: pointer to hardware structure
1919 2121 *
1920 2122 * Determines the physical layer module found on the current adapter.
1921 2123 * If PHY already detected, maintains current PHY type in hw struct,
1922 2124 * otherwise executes the PHY detection routine.
1923 2125 **/
1924 2126 s32 ixgbe_identify_phy_82599(struct ixgbe_hw *hw)
1925 2127 {
1926 - s32 status = IXGBE_ERR_PHY_ADDR_INVALID;
2128 + s32 status;
1927 2129
1928 2130 DEBUGFUNC("ixgbe_identify_phy_82599");
1929 2131
1930 2132 /* Detect PHY if not unknown - returns success if already detected. */
1931 2133 status = ixgbe_identify_phy_generic(hw);
1932 2134 if (status != IXGBE_SUCCESS) {
1933 2135 /* 82599 10GBASE-T requires an external PHY */
1934 2136 if (hw->mac.ops.get_media_type(hw) == ixgbe_media_type_copper)
1935 - goto out;
2137 + return status;
1936 2138 else
1937 2139 status = ixgbe_identify_module_generic(hw);
1938 2140 }
1939 2141
1940 2142 /* Set PHY type none if no PHY detected */
1941 2143 if (hw->phy.type == ixgbe_phy_unknown) {
1942 2144 hw->phy.type = ixgbe_phy_none;
1943 - status = IXGBE_SUCCESS;
2145 + return IXGBE_SUCCESS;
1944 2146 }
1945 2147
1946 2148 /* Return error if SFP module has been detected but is not supported */
1947 2149 if (hw->phy.type == ixgbe_phy_sfp_unsupported)
1948 - status = IXGBE_ERR_SFP_NOT_SUPPORTED;
2150 + return IXGBE_ERR_SFP_NOT_SUPPORTED;
1949 2151
1950 -out:
1951 2152 return status;
1952 2153 }
1953 2154
1954 2155 /**
1955 2156 * ixgbe_get_supported_physical_layer_82599 - Returns physical layer type
1956 2157 * @hw: pointer to hardware structure
1957 2158 *
1958 2159 * Determines physical layer capabilities of the current configuration.
1959 2160 **/
1960 2161 u32 ixgbe_get_supported_physical_layer_82599(struct ixgbe_hw *hw)
1961 2162 {
1962 2163 u32 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
1963 2164 u32 autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
1964 2165 u32 autoc2 = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
1965 2166 u32 pma_pmd_10g_serial = autoc2 & IXGBE_AUTOC2_10G_SERIAL_PMA_PMD_MASK;
1966 2167 u32 pma_pmd_10g_parallel = autoc & IXGBE_AUTOC_10G_PMA_PMD_MASK;
1967 2168 u32 pma_pmd_1g = autoc & IXGBE_AUTOC_1G_PMA_PMD_MASK;
1968 2169 u16 ext_ability = 0;
1969 - u8 comp_codes_10g = 0;
1970 - u8 comp_codes_1g = 0;
1971 2170
1972 2171 DEBUGFUNC("ixgbe_get_support_physical_layer_82599");
1973 2172
1974 2173 hw->phy.ops.identify(hw);
1975 2174
1976 2175 switch (hw->phy.type) {
1977 2176 case ixgbe_phy_tn:
1978 2177 case ixgbe_phy_cu_unknown:
1979 2178 hw->phy.ops.read_reg(hw, IXGBE_MDIO_PHY_EXT_ABILITY,
1980 2179 IXGBE_MDIO_PMA_PMD_DEV_TYPE, &ext_ability);
1981 2180 if (ext_ability & IXGBE_MDIO_PHY_10GBASET_ABILITY)
1982 2181 physical_layer |= IXGBE_PHYSICAL_LAYER_10GBASE_T;
1983 2182 if (ext_ability & IXGBE_MDIO_PHY_1000BASET_ABILITY)
1984 2183 physical_layer |= IXGBE_PHYSICAL_LAYER_1000BASE_T;
1985 2184 if (ext_ability & IXGBE_MDIO_PHY_100BASETX_ABILITY)
1986 2185 physical_layer |= IXGBE_PHYSICAL_LAYER_100BASE_TX;
1987 2186 goto out;
1988 2187 default:
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1989 2188 break;
1990 2189 }
1991 2190
1992 2191 switch (autoc & IXGBE_AUTOC_LMS_MASK) {
1993 2192 case IXGBE_AUTOC_LMS_1G_AN:
1994 2193 case IXGBE_AUTOC_LMS_1G_LINK_NO_AN:
1995 2194 if (pma_pmd_1g == IXGBE_AUTOC_1G_KX_BX) {
1996 2195 physical_layer = IXGBE_PHYSICAL_LAYER_1000BASE_KX |
1997 2196 IXGBE_PHYSICAL_LAYER_1000BASE_BX;
1998 2197 goto out;
1999 - }
2000 - /* SFI mode so read SFP module */
2001 - goto sfp_check;
2198 + } else
2199 + /* SFI mode so read SFP module */
2200 + goto sfp_check;
2201 + break;
2002 2202 case IXGBE_AUTOC_LMS_10G_LINK_NO_AN:
2003 2203 if (pma_pmd_10g_parallel == IXGBE_AUTOC_10G_CX4)
2004 2204 physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_CX4;
2005 2205 else if (pma_pmd_10g_parallel == IXGBE_AUTOC_10G_KX4)
2006 2206 physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_KX4;
2007 2207 else if (pma_pmd_10g_parallel == IXGBE_AUTOC_10G_XAUI)
2008 2208 physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_XAUI;
2009 2209 goto out;
2210 + break;
2010 2211 case IXGBE_AUTOC_LMS_10G_SERIAL:
2011 2212 if (pma_pmd_10g_serial == IXGBE_AUTOC2_10G_KR) {
2012 2213 physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_KR;
2013 2214 goto out;
2014 2215 } else if (pma_pmd_10g_serial == IXGBE_AUTOC2_10G_SFI)
2015 2216 goto sfp_check;
2016 2217 break;
2017 2218 case IXGBE_AUTOC_LMS_KX4_KX_KR:
2018 2219 case IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN:
2019 2220 if (autoc & IXGBE_AUTOC_KX_SUPP)
2020 2221 physical_layer |= IXGBE_PHYSICAL_LAYER_1000BASE_KX;
2021 2222 if (autoc & IXGBE_AUTOC_KX4_SUPP)
2022 2223 physical_layer |= IXGBE_PHYSICAL_LAYER_10GBASE_KX4;
2023 2224 if (autoc & IXGBE_AUTOC_KR_SUPP)
2024 2225 physical_layer |= IXGBE_PHYSICAL_LAYER_10GBASE_KR;
2025 2226 goto out;
2227 + break;
2026 2228 default:
2027 2229 goto out;
2230 + break;
2028 2231 }
2029 2232
2030 2233 sfp_check:
2031 2234 /* SFP check must be done last since DA modules are sometimes used to
2032 2235 * test KR mode - we need to id KR mode correctly before SFP module.
2033 2236 * Call identify_sfp because the pluggable module may have changed */
2034 - hw->phy.ops.identify_sfp(hw);
2035 - if (hw->phy.sfp_type == ixgbe_sfp_type_not_present)
2036 - goto out;
2037 -
2038 - switch (hw->phy.type) {
2039 - case ixgbe_phy_sfp_passive_tyco:
2040 - case ixgbe_phy_sfp_passive_unknown:
2041 - physical_layer = IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU;
2042 - break;
2043 - case ixgbe_phy_sfp_ftl_active:
2044 - case ixgbe_phy_sfp_active_unknown:
2045 - physical_layer = IXGBE_PHYSICAL_LAYER_SFP_ACTIVE_DA;
2046 - break;
2047 - case ixgbe_phy_sfp_avago:
2048 - case ixgbe_phy_sfp_ftl:
2049 - case ixgbe_phy_sfp_intel:
2050 - case ixgbe_phy_sfp_unknown:
2051 - hw->phy.ops.read_i2c_eeprom(hw,
2052 - IXGBE_SFF_1GBE_COMP_CODES, &comp_codes_1g);
2053 - hw->phy.ops.read_i2c_eeprom(hw,
2054 - IXGBE_SFF_10GBE_COMP_CODES, &comp_codes_10g);
2055 - if (comp_codes_10g & IXGBE_SFF_10GBASESR_CAPABLE)
2056 - physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_SR;
2057 - else if (comp_codes_10g & IXGBE_SFF_10GBASELR_CAPABLE)
2058 - physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_LR;
2059 - else if (comp_codes_1g & IXGBE_SFF_1GBASET_CAPABLE)
2060 - physical_layer = IXGBE_PHYSICAL_LAYER_1000BASE_T;
2061 - else if (comp_codes_1g & IXGBE_SFF_1GBASESX_CAPABLE)
2062 - physical_layer = IXGBE_PHYSICAL_LAYER_1000BASE_SX;
2063 - break;
2064 - default:
2065 - break;
2066 - }
2067 -
2237 + physical_layer = ixgbe_get_supported_phy_sfp_layer_generic(hw);
2068 2238 out:
2069 2239 return physical_layer;
2070 2240 }
2071 2241
2072 2242 /**
2073 2243 * ixgbe_enable_rx_dma_82599 - Enable the Rx DMA unit on 82599
2074 2244 * @hw: pointer to hardware structure
2075 2245 * @regval: register value to write to RXCTRL
2076 2246 *
2077 2247 * Enables the Rx DMA unit for 82599
2078 2248 **/
2079 2249 s32 ixgbe_enable_rx_dma_82599(struct ixgbe_hw *hw, u32 regval)
2080 2250 {
2081 2251
2082 2252 DEBUGFUNC("ixgbe_enable_rx_dma_82599");
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2083 2253
2084 2254 /*
2085 2255 * Workaround for 82599 silicon errata when enabling the Rx datapath.
2086 2256 * If traffic is incoming before we enable the Rx unit, it could hang
2087 2257 * the Rx DMA unit. Therefore, make sure the security engine is
2088 2258 * completely disabled prior to enabling the Rx unit.
2089 2259 */
2090 2260
2091 2261 hw->mac.ops.disable_sec_rx_path(hw);
2092 2262
2093 - IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, regval);
2263 + if (regval & IXGBE_RXCTRL_RXEN)
2264 + ixgbe_enable_rx(hw);
2265 + else
2266 + ixgbe_disable_rx(hw);
2094 2267
2095 2268 hw->mac.ops.enable_sec_rx_path(hw);
2096 2269
2097 2270 return IXGBE_SUCCESS;
2098 2271 }
2099 2272
2100 2273 /**
2101 - * ixgbe_verify_fw_version_82599 - verify fw version for 82599
2274 + * ixgbe_verify_fw_version_82599 - verify FW version for 82599
2102 2275 * @hw: pointer to hardware structure
2103 2276 *
2104 2277 * Verifies that installed the firmware version is 0.6 or higher
2105 2278 * for SFI devices. All 82599 SFI devices should have version 0.6 or higher.
2106 2279 *
2107 2280 * Returns IXGBE_ERR_EEPROM_VERSION if the FW is not present or
2108 2281 * if the FW version is not supported.
2109 2282 **/
2110 2283 static s32 ixgbe_verify_fw_version_82599(struct ixgbe_hw *hw)
2111 2284 {
2112 2285 s32 status = IXGBE_ERR_EEPROM_VERSION;
2113 2286 u16 fw_offset, fw_ptp_cfg_offset;
2114 - u16 fw_version = 0;
2287 + u16 fw_version;
2115 2288
2116 2289 DEBUGFUNC("ixgbe_verify_fw_version_82599");
2117 2290
2118 2291 /* firmware check is only necessary for SFI devices */
2119 2292 if (hw->phy.media_type != ixgbe_media_type_fiber) {
2120 2293 status = IXGBE_SUCCESS;
2121 2294 goto fw_version_out;
2122 2295 }
2123 2296
2124 2297 /* get the offset to the Firmware Module block */
2125 - hw->eeprom.ops.read(hw, IXGBE_FW_PTR, &fw_offset);
2298 + if (hw->eeprom.ops.read(hw, IXGBE_FW_PTR, &fw_offset)) {
2299 + ERROR_REPORT2(IXGBE_ERROR_INVALID_STATE,
2300 + "eeprom read at offset %d failed", IXGBE_FW_PTR);
2301 + return IXGBE_ERR_EEPROM_VERSION;
2302 + }
2126 2303
2127 2304 if ((fw_offset == 0) || (fw_offset == 0xFFFF))
2128 2305 goto fw_version_out;
2129 2306
2130 2307 /* get the offset to the Pass Through Patch Configuration block */
2131 - hw->eeprom.ops.read(hw, (fw_offset +
2308 + if (hw->eeprom.ops.read(hw, (fw_offset +
2132 2309 IXGBE_FW_PASSTHROUGH_PATCH_CONFIG_PTR),
2133 - &fw_ptp_cfg_offset);
2310 + &fw_ptp_cfg_offset)) {
2311 + ERROR_REPORT2(IXGBE_ERROR_INVALID_STATE,
2312 + "eeprom read at offset %d failed",
2313 + fw_offset +
2314 + IXGBE_FW_PASSTHROUGH_PATCH_CONFIG_PTR);
2315 + return IXGBE_ERR_EEPROM_VERSION;
2316 + }
2134 2317
2135 2318 if ((fw_ptp_cfg_offset == 0) || (fw_ptp_cfg_offset == 0xFFFF))
2136 2319 goto fw_version_out;
2137 2320
2138 2321 /* get the firmware version */
2139 - hw->eeprom.ops.read(hw, (fw_ptp_cfg_offset +
2140 - IXGBE_FW_PATCH_VERSION_4), &fw_version);
2322 + if (hw->eeprom.ops.read(hw, (fw_ptp_cfg_offset +
2323 + IXGBE_FW_PATCH_VERSION_4), &fw_version)) {
2324 + ERROR_REPORT2(IXGBE_ERROR_INVALID_STATE,
2325 + "eeprom read at offset %d failed",
2326 + fw_ptp_cfg_offset + IXGBE_FW_PATCH_VERSION_4);
2327 + return IXGBE_ERR_EEPROM_VERSION;
2328 + }
2141 2329
2142 2330 if (fw_version > 0x5)
2143 2331 status = IXGBE_SUCCESS;
2144 2332
2145 2333 fw_version_out:
2146 2334 return status;
2147 2335 }
2148 2336
2149 2337 /**
2150 2338 * ixgbe_verify_lesm_fw_enabled_82599 - Checks LESM FW module state.
2151 2339 * @hw: pointer to hardware structure
2152 2340 *
2153 2341 * Returns TRUE if the LESM FW module is present and enabled. Otherwise
2154 2342 * returns FALSE. Smart Speed must be disabled if LESM FW module is enabled.
2155 2343 **/
2156 2344 bool ixgbe_verify_lesm_fw_enabled_82599(struct ixgbe_hw *hw)
2157 2345 {
2158 2346 bool lesm_enabled = FALSE;
2159 2347 u16 fw_offset, fw_lesm_param_offset, fw_lesm_state;
2160 2348 s32 status;
2161 2349
2162 2350 DEBUGFUNC("ixgbe_verify_lesm_fw_enabled_82599");
2163 2351
2164 2352 /* get the offset to the Firmware Module block */
2165 2353 status = hw->eeprom.ops.read(hw, IXGBE_FW_PTR, &fw_offset);
2166 2354
2167 2355 if ((status != IXGBE_SUCCESS) ||
2168 2356 (fw_offset == 0) || (fw_offset == 0xFFFF))
2169 2357 goto out;
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2170 2358
2171 2359 /* get the offset to the LESM Parameters block */
2172 2360 status = hw->eeprom.ops.read(hw, (fw_offset +
2173 2361 IXGBE_FW_LESM_PARAMETERS_PTR),
2174 2362 &fw_lesm_param_offset);
2175 2363
2176 2364 if ((status != IXGBE_SUCCESS) ||
2177 2365 (fw_lesm_param_offset == 0) || (fw_lesm_param_offset == 0xFFFF))
2178 2366 goto out;
2179 2367
2180 - /* get the lesm state word */
2368 + /* get the LESM state word */
2181 2369 status = hw->eeprom.ops.read(hw, (fw_lesm_param_offset +
2182 2370 IXGBE_FW_LESM_STATE_1),
2183 2371 &fw_lesm_state);
2184 2372
2185 2373 if ((status == IXGBE_SUCCESS) &&
2186 2374 (fw_lesm_state & IXGBE_FW_LESM_STATE_ENABLED))
2187 2375 lesm_enabled = TRUE;
2188 2376
2189 2377 out:
2190 2378 return lesm_enabled;
2191 2379 }
2192 2380
2193 2381 /**
2194 2382 * ixgbe_read_eeprom_buffer_82599 - Read EEPROM word(s) using
2195 2383 * fastest available method
2196 2384 *
2197 2385 * @hw: pointer to hardware structure
2198 2386 * @offset: offset of word in EEPROM to read
2199 2387 * @words: number of words
2200 2388 * @data: word(s) read from the EEPROM
2201 2389 *
2202 2390 * Retrieves 16 bit word(s) read from EEPROM
2203 2391 **/
2204 2392 static s32 ixgbe_read_eeprom_buffer_82599(struct ixgbe_hw *hw, u16 offset,
2205 2393 u16 words, u16 *data)
2206 2394 {
2207 2395 struct ixgbe_eeprom_info *eeprom = &hw->eeprom;
2208 2396 s32 ret_val = IXGBE_ERR_CONFIG;
2209 2397
2210 2398 DEBUGFUNC("ixgbe_read_eeprom_buffer_82599");
2211 2399
2212 2400 /*
2213 2401 * If EEPROM is detected and can be addressed using 14 bits,
2214 2402 * use EERD otherwise use bit bang
2215 2403 */
2216 2404 if ((eeprom->type == ixgbe_eeprom_spi) &&
2217 2405 (offset + (words - 1) <= IXGBE_EERD_MAX_ADDR))
2218 2406 ret_val = ixgbe_read_eerd_buffer_generic(hw, offset, words,
2219 2407 data);
2220 2408 else
2221 2409 ret_val = ixgbe_read_eeprom_buffer_bit_bang_generic(hw, offset,
2222 2410 words,
2223 2411 data);
2224 2412
2225 2413 return ret_val;
2226 2414 }
2227 2415
2228 2416 /**
2229 2417 * ixgbe_read_eeprom_82599 - Read EEPROM word using
2230 2418 * fastest available method
2231 2419 *
2232 2420 * @hw: pointer to hardware structure
2233 2421 * @offset: offset of word in the EEPROM to read
2234 2422 * @data: word read from the EEPROM
2235 2423 *
2236 2424 * Reads a 16 bit word from the EEPROM
2237 2425 **/
2238 2426 static s32 ixgbe_read_eeprom_82599(struct ixgbe_hw *hw,
2239 2427 u16 offset, u16 *data)
2240 2428 {
2241 2429 struct ixgbe_eeprom_info *eeprom = &hw->eeprom;
2242 2430 s32 ret_val = IXGBE_ERR_CONFIG;
2243 2431
2244 2432 DEBUGFUNC("ixgbe_read_eeprom_82599");
2245 2433
2246 2434 /*
2247 2435 * If EEPROM is detected and can be addressed using 14 bits,
2248 2436 * use EERD otherwise use bit bang
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2249 2437 */
2250 2438 if ((eeprom->type == ixgbe_eeprom_spi) &&
2251 2439 (offset <= IXGBE_EERD_MAX_ADDR))
2252 2440 ret_val = ixgbe_read_eerd_generic(hw, offset, data);
2253 2441 else
2254 2442 ret_val = ixgbe_read_eeprom_bit_bang_generic(hw, offset, data);
2255 2443
2256 2444 return ret_val;
2257 2445 }
2258 2446
2447 +/**
2448 + * ixgbe_reset_pipeline_82599 - perform pipeline reset
2449 + *
2450 + * @hw: pointer to hardware structure
2451 + *
2452 + * Reset pipeline by asserting Restart_AN together with LMS change to ensure
2453 + * full pipeline reset. This function assumes the SW/FW lock is held.
2454 + **/
2455 +s32 ixgbe_reset_pipeline_82599(struct ixgbe_hw *hw)
2456 +{
2457 + s32 ret_val;
2458 + u32 anlp1_reg = 0;
2459 + u32 i, autoc_reg, autoc2_reg;
2259 2460
2461 + /* Enable link if disabled in NVM */
2462 + autoc2_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
2463 + if (autoc2_reg & IXGBE_AUTOC2_LINK_DISABLE_MASK) {
2464 + autoc2_reg &= ~IXGBE_AUTOC2_LINK_DISABLE_MASK;
2465 + IXGBE_WRITE_REG(hw, IXGBE_AUTOC2, autoc2_reg);
2466 + IXGBE_WRITE_FLUSH(hw);
2467 + }
2468 +
2469 + autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC);
2470 + autoc_reg |= IXGBE_AUTOC_AN_RESTART;
2471 + /* Write AUTOC register with toggled LMS[2] bit and Restart_AN */
2472 + IXGBE_WRITE_REG(hw, IXGBE_AUTOC,
2473 + autoc_reg ^ (0x4 << IXGBE_AUTOC_LMS_SHIFT));
2474 + /* Wait for AN to leave state 0 */
2475 + for (i = 0; i < 10; i++) {
2476 + msec_delay(4);
2477 + anlp1_reg = IXGBE_READ_REG(hw, IXGBE_ANLP1);
2478 + if (anlp1_reg & IXGBE_ANLP1_AN_STATE_MASK)
2479 + break;
2480 + }
2481 +
2482 + if (!(anlp1_reg & IXGBE_ANLP1_AN_STATE_MASK)) {
2483 + DEBUGOUT("auto negotiation not completed\n");
2484 + ret_val = IXGBE_ERR_RESET_FAILED;
2485 + goto reset_pipeline_out;
2486 + }
2487 +
2488 + ret_val = IXGBE_SUCCESS;
2489 +
2490 +reset_pipeline_out:
2491 + /* Write AUTOC register with original LMS field and Restart_AN */
2492 + IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc_reg);
2493 + IXGBE_WRITE_FLUSH(hw);
2494 +
2495 + return ret_val;
2496 +}
2497 +
2498 +/**
2499 + * ixgbe_read_i2c_byte_82599 - Reads 8 bit word over I2C
2500 + * @hw: pointer to hardware structure
2501 + * @byte_offset: byte offset to read
2502 + * @data: value read
2503 + *
2504 + * Performs byte read operation to SFP module's EEPROM over I2C interface at
2505 + * a specified device address.
2506 + **/
2507 +static s32 ixgbe_read_i2c_byte_82599(struct ixgbe_hw *hw, u8 byte_offset,
2508 + u8 dev_addr, u8 *data)
2509 +{
2510 + u32 esdp;
2511 + s32 status;
2512 + s32 timeout = 200;
2513 +
2514 + DEBUGFUNC("ixgbe_read_i2c_byte_82599");
2515 +
2516 + if (hw->phy.qsfp_shared_i2c_bus == TRUE) {
2517 + /* Acquire I2C bus ownership. */
2518 + esdp = IXGBE_READ_REG(hw, IXGBE_ESDP);
2519 + esdp |= IXGBE_ESDP_SDP0;
2520 + IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp);
2521 + IXGBE_WRITE_FLUSH(hw);
2522 +
2523 + while (timeout) {
2524 + esdp = IXGBE_READ_REG(hw, IXGBE_ESDP);
2525 + if (esdp & IXGBE_ESDP_SDP1)
2526 + break;
2527 +
2528 + msec_delay(5);
2529 + timeout--;
2530 + }
2531 +
2532 + if (!timeout) {
2533 + DEBUGOUT("Driver can't access resource,"
2534 + " acquiring I2C bus timeout.\n");
2535 + status = IXGBE_ERR_I2C;
2536 + goto release_i2c_access;
2537 + }
2538 + }
2539 +
2540 + status = ixgbe_read_i2c_byte_generic(hw, byte_offset, dev_addr, data);
2541 +
2542 +release_i2c_access:
2543 +
2544 + if (hw->phy.qsfp_shared_i2c_bus == TRUE) {
2545 + /* Release I2C bus ownership. */
2546 + esdp = IXGBE_READ_REG(hw, IXGBE_ESDP);
2547 + esdp &= ~IXGBE_ESDP_SDP0;
2548 + IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp);
2549 + IXGBE_WRITE_FLUSH(hw);
2550 + }
2551 +
2552 + return status;
2553 +}
2554 +
2555 +/**
2556 + * ixgbe_write_i2c_byte_82599 - Writes 8 bit word over I2C
2557 + * @hw: pointer to hardware structure
2558 + * @byte_offset: byte offset to write
2559 + * @data: value to write
2560 + *
2561 + * Performs byte write operation to SFP module's EEPROM over I2C interface at
2562 + * a specified device address.
2563 + **/
2564 +static s32 ixgbe_write_i2c_byte_82599(struct ixgbe_hw *hw, u8 byte_offset,
2565 + u8 dev_addr, u8 data)
2566 +{
2567 + u32 esdp;
2568 + s32 status;
2569 + s32 timeout = 200;
2570 +
2571 + DEBUGFUNC("ixgbe_write_i2c_byte_82599");
2572 +
2573 + if (hw->phy.qsfp_shared_i2c_bus == TRUE) {
2574 + /* Acquire I2C bus ownership. */
2575 + esdp = IXGBE_READ_REG(hw, IXGBE_ESDP);
2576 + esdp |= IXGBE_ESDP_SDP0;
2577 + IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp);
2578 + IXGBE_WRITE_FLUSH(hw);
2579 +
2580 + while (timeout) {
2581 + esdp = IXGBE_READ_REG(hw, IXGBE_ESDP);
2582 + if (esdp & IXGBE_ESDP_SDP1)
2583 + break;
2584 +
2585 + msec_delay(5);
2586 + timeout--;
2587 + }
2588 +
2589 + if (!timeout) {
2590 + DEBUGOUT("Driver can't access resource,"
2591 + " acquiring I2C bus timeout.\n");
2592 + status = IXGBE_ERR_I2C;
2593 + goto release_i2c_access;
2594 + }
2595 + }
2596 +
2597 + status = ixgbe_write_i2c_byte_generic(hw, byte_offset, dev_addr, data);
2598 +
2599 +release_i2c_access:
2600 +
2601 + if (hw->phy.qsfp_shared_i2c_bus == TRUE) {
2602 + /* Release I2C bus ownership. */
2603 + esdp = IXGBE_READ_REG(hw, IXGBE_ESDP);
2604 + esdp &= ~IXGBE_ESDP_SDP0;
2605 + IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp);
2606 + IXGBE_WRITE_FLUSH(hw);
2607 + }
2608 +
2609 + return status;
2610 +}
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