xref: /dpdk/drivers/net/e1000/igb_ethdev.c (revision fc2c8014)
1 /*-
2  *   BSD LICENSE
3  *
4  *   Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
5  *   All rights reserved.
6  *
7  *   Redistribution and use in source and binary forms, with or without
8  *   modification, are permitted provided that the following conditions
9  *   are met:
10  *
11  *     * Redistributions of source code must retain the above copyright
12  *       notice, this list of conditions and the following disclaimer.
13  *     * Redistributions in binary form must reproduce the above copyright
14  *       notice, this list of conditions and the following disclaimer in
15  *       the documentation and/or other materials provided with the
16  *       distribution.
17  *     * Neither the name of Intel Corporation nor the names of its
18  *       contributors may be used to endorse or promote products derived
19  *       from this software without specific prior written permission.
20  *
21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  */
33 
34 #include <sys/queue.h>
35 #include <stdio.h>
36 #include <errno.h>
37 #include <stdint.h>
38 #include <stdarg.h>
39 
40 #include <rte_common.h>
41 #include <rte_interrupts.h>
42 #include <rte_byteorder.h>
43 #include <rte_log.h>
44 #include <rte_debug.h>
45 #include <rte_pci.h>
46 #include <rte_ether.h>
47 #include <rte_ethdev.h>
48 #include <rte_memory.h>
49 #include <rte_memzone.h>
50 #include <rte_eal.h>
51 #include <rte_atomic.h>
52 #include <rte_malloc.h>
53 #include <rte_dev.h>
54 
55 #include "e1000_logs.h"
56 #include "base/e1000_api.h"
57 #include "e1000_ethdev.h"
58 #include "igb_regs.h"
59 
60 /*
61  * Default values for port configuration
62  */
63 #define IGB_DEFAULT_RX_FREE_THRESH  32
64 
65 #define IGB_DEFAULT_RX_PTHRESH      ((hw->mac.type == e1000_i354) ? 12 : 8)
66 #define IGB_DEFAULT_RX_HTHRESH      8
67 #define IGB_DEFAULT_RX_WTHRESH      ((hw->mac.type == e1000_82576) ? 1 : 4)
68 
69 #define IGB_DEFAULT_TX_PTHRESH      ((hw->mac.type == e1000_i354) ? 20 : 8)
70 #define IGB_DEFAULT_TX_HTHRESH      1
71 #define IGB_DEFAULT_TX_WTHRESH      ((hw->mac.type == e1000_82576) ? 1 : 16)
72 
73 #define IGB_HKEY_MAX_INDEX 10
74 
75 /* Bit shift and mask */
76 #define IGB_4_BIT_WIDTH  (CHAR_BIT / 2)
77 #define IGB_4_BIT_MASK   RTE_LEN2MASK(IGB_4_BIT_WIDTH, uint8_t)
78 #define IGB_8_BIT_WIDTH  CHAR_BIT
79 #define IGB_8_BIT_MASK   UINT8_MAX
80 
81 /* Additional timesync values. */
82 #define E1000_CYCLECOUNTER_MASK      0xffffffffffffffffULL
83 #define E1000_ETQF_FILTER_1588       3
84 #define IGB_82576_TSYNC_SHIFT        16
85 #define E1000_INCPERIOD_82576        (1 << E1000_TIMINCA_16NS_SHIFT)
86 #define E1000_INCVALUE_82576         (16 << IGB_82576_TSYNC_SHIFT)
87 #define E1000_TSAUXC_DISABLE_SYSTIME 0x80000000
88 
89 #define E1000_VTIVAR_MISC                0x01740
90 #define E1000_VTIVAR_MISC_MASK           0xFF
91 #define E1000_VTIVAR_VALID               0x80
92 #define E1000_VTIVAR_MISC_MAILBOX        0
93 #define E1000_VTIVAR_MISC_INTR_MASK      0x3
94 
95 /* External VLAN Enable bit mask */
96 #define E1000_CTRL_EXT_EXT_VLAN      (1 << 26)
97 
98 /* External VLAN Ether Type bit mask and shift */
99 #define E1000_VET_VET_EXT            0xFFFF0000
100 #define E1000_VET_VET_EXT_SHIFT      16
101 
102 static int  eth_igb_configure(struct rte_eth_dev *dev);
103 static int  eth_igb_start(struct rte_eth_dev *dev);
104 static void eth_igb_stop(struct rte_eth_dev *dev);
105 static int  eth_igb_dev_set_link_up(struct rte_eth_dev *dev);
106 static int  eth_igb_dev_set_link_down(struct rte_eth_dev *dev);
107 static void eth_igb_close(struct rte_eth_dev *dev);
108 static void eth_igb_promiscuous_enable(struct rte_eth_dev *dev);
109 static void eth_igb_promiscuous_disable(struct rte_eth_dev *dev);
110 static void eth_igb_allmulticast_enable(struct rte_eth_dev *dev);
111 static void eth_igb_allmulticast_disable(struct rte_eth_dev *dev);
112 static int  eth_igb_link_update(struct rte_eth_dev *dev,
113 				int wait_to_complete);
114 static void eth_igb_stats_get(struct rte_eth_dev *dev,
115 				struct rte_eth_stats *rte_stats);
116 static int eth_igb_xstats_get(struct rte_eth_dev *dev,
117 			      struct rte_eth_xstat *xstats, unsigned n);
118 static int eth_igb_xstats_get_names(struct rte_eth_dev *dev,
119 				    struct rte_eth_xstat_name *xstats_names,
120 				    unsigned limit);
121 static void eth_igb_stats_reset(struct rte_eth_dev *dev);
122 static void eth_igb_xstats_reset(struct rte_eth_dev *dev);
123 static int eth_igb_fw_version_get(struct rte_eth_dev *dev,
124 				   char *fw_version, size_t fw_size);
125 static void eth_igb_infos_get(struct rte_eth_dev *dev,
126 			      struct rte_eth_dev_info *dev_info);
127 static const uint32_t *eth_igb_supported_ptypes_get(struct rte_eth_dev *dev);
128 static void eth_igbvf_infos_get(struct rte_eth_dev *dev,
129 				struct rte_eth_dev_info *dev_info);
130 static int  eth_igb_flow_ctrl_get(struct rte_eth_dev *dev,
131 				struct rte_eth_fc_conf *fc_conf);
132 static int  eth_igb_flow_ctrl_set(struct rte_eth_dev *dev,
133 				struct rte_eth_fc_conf *fc_conf);
134 static int eth_igb_lsc_interrupt_setup(struct rte_eth_dev *dev);
135 static int eth_igb_rxq_interrupt_setup(struct rte_eth_dev *dev);
136 static int eth_igb_interrupt_get_status(struct rte_eth_dev *dev);
137 static int eth_igb_interrupt_action(struct rte_eth_dev *dev,
138 				    struct rte_intr_handle *handle);
139 static void eth_igb_interrupt_handler(struct rte_intr_handle *handle,
140 							void *param);
141 static int  igb_hardware_init(struct e1000_hw *hw);
142 static void igb_hw_control_acquire(struct e1000_hw *hw);
143 static void igb_hw_control_release(struct e1000_hw *hw);
144 static void igb_init_manageability(struct e1000_hw *hw);
145 static void igb_release_manageability(struct e1000_hw *hw);
146 
147 static int  eth_igb_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
148 
149 static int eth_igb_vlan_filter_set(struct rte_eth_dev *dev,
150 		uint16_t vlan_id, int on);
151 static int eth_igb_vlan_tpid_set(struct rte_eth_dev *dev,
152 				 enum rte_vlan_type vlan_type,
153 				 uint16_t tpid_id);
154 static void eth_igb_vlan_offload_set(struct rte_eth_dev *dev, int mask);
155 
156 static void igb_vlan_hw_filter_enable(struct rte_eth_dev *dev);
157 static void igb_vlan_hw_filter_disable(struct rte_eth_dev *dev);
158 static void igb_vlan_hw_strip_enable(struct rte_eth_dev *dev);
159 static void igb_vlan_hw_strip_disable(struct rte_eth_dev *dev);
160 static void igb_vlan_hw_extend_enable(struct rte_eth_dev *dev);
161 static void igb_vlan_hw_extend_disable(struct rte_eth_dev *dev);
162 
163 static int eth_igb_led_on(struct rte_eth_dev *dev);
164 static int eth_igb_led_off(struct rte_eth_dev *dev);
165 
166 static void igb_intr_disable(struct e1000_hw *hw);
167 static int  igb_get_rx_buffer_size(struct e1000_hw *hw);
168 static void eth_igb_rar_set(struct rte_eth_dev *dev,
169 		struct ether_addr *mac_addr,
170 		uint32_t index, uint32_t pool);
171 static void eth_igb_rar_clear(struct rte_eth_dev *dev, uint32_t index);
172 static void eth_igb_default_mac_addr_set(struct rte_eth_dev *dev,
173 		struct ether_addr *addr);
174 
175 static void igbvf_intr_disable(struct e1000_hw *hw);
176 static int igbvf_dev_configure(struct rte_eth_dev *dev);
177 static int igbvf_dev_start(struct rte_eth_dev *dev);
178 static void igbvf_dev_stop(struct rte_eth_dev *dev);
179 static void igbvf_dev_close(struct rte_eth_dev *dev);
180 static void igbvf_promiscuous_enable(struct rte_eth_dev *dev);
181 static void igbvf_promiscuous_disable(struct rte_eth_dev *dev);
182 static void igbvf_allmulticast_enable(struct rte_eth_dev *dev);
183 static void igbvf_allmulticast_disable(struct rte_eth_dev *dev);
184 static int eth_igbvf_link_update(struct e1000_hw *hw);
185 static void eth_igbvf_stats_get(struct rte_eth_dev *dev,
186 				struct rte_eth_stats *rte_stats);
187 static int eth_igbvf_xstats_get(struct rte_eth_dev *dev,
188 				struct rte_eth_xstat *xstats, unsigned n);
189 static int eth_igbvf_xstats_get_names(struct rte_eth_dev *dev,
190 				      struct rte_eth_xstat_name *xstats_names,
191 				      unsigned limit);
192 static void eth_igbvf_stats_reset(struct rte_eth_dev *dev);
193 static int igbvf_vlan_filter_set(struct rte_eth_dev *dev,
194 		uint16_t vlan_id, int on);
195 static int igbvf_set_vfta(struct e1000_hw *hw, uint16_t vid, bool on);
196 static void igbvf_set_vfta_all(struct rte_eth_dev *dev, bool on);
197 static void igbvf_default_mac_addr_set(struct rte_eth_dev *dev,
198 		struct ether_addr *addr);
199 static int igbvf_get_reg_length(struct rte_eth_dev *dev);
200 static int igbvf_get_regs(struct rte_eth_dev *dev,
201 		struct rte_dev_reg_info *regs);
202 
203 static int eth_igb_rss_reta_update(struct rte_eth_dev *dev,
204 				   struct rte_eth_rss_reta_entry64 *reta_conf,
205 				   uint16_t reta_size);
206 static int eth_igb_rss_reta_query(struct rte_eth_dev *dev,
207 				  struct rte_eth_rss_reta_entry64 *reta_conf,
208 				  uint16_t reta_size);
209 
210 static int eth_igb_syn_filter_set(struct rte_eth_dev *dev,
211 			struct rte_eth_syn_filter *filter,
212 			bool add);
213 static int eth_igb_syn_filter_get(struct rte_eth_dev *dev,
214 			struct rte_eth_syn_filter *filter);
215 static int eth_igb_syn_filter_handle(struct rte_eth_dev *dev,
216 			enum rte_filter_op filter_op,
217 			void *arg);
218 static int igb_add_2tuple_filter(struct rte_eth_dev *dev,
219 			struct rte_eth_ntuple_filter *ntuple_filter);
220 static int igb_remove_2tuple_filter(struct rte_eth_dev *dev,
221 			struct rte_eth_ntuple_filter *ntuple_filter);
222 static int eth_igb_add_del_flex_filter(struct rte_eth_dev *dev,
223 			struct rte_eth_flex_filter *filter,
224 			bool add);
225 static int eth_igb_get_flex_filter(struct rte_eth_dev *dev,
226 			struct rte_eth_flex_filter *filter);
227 static int eth_igb_flex_filter_handle(struct rte_eth_dev *dev,
228 			enum rte_filter_op filter_op,
229 			void *arg);
230 static int igb_add_5tuple_filter_82576(struct rte_eth_dev *dev,
231 			struct rte_eth_ntuple_filter *ntuple_filter);
232 static int igb_remove_5tuple_filter_82576(struct rte_eth_dev *dev,
233 			struct rte_eth_ntuple_filter *ntuple_filter);
234 static int igb_add_del_ntuple_filter(struct rte_eth_dev *dev,
235 			struct rte_eth_ntuple_filter *filter,
236 			bool add);
237 static int igb_get_ntuple_filter(struct rte_eth_dev *dev,
238 			struct rte_eth_ntuple_filter *filter);
239 static int igb_ntuple_filter_handle(struct rte_eth_dev *dev,
240 				enum rte_filter_op filter_op,
241 				void *arg);
242 static int igb_add_del_ethertype_filter(struct rte_eth_dev *dev,
243 			struct rte_eth_ethertype_filter *filter,
244 			bool add);
245 static int igb_ethertype_filter_handle(struct rte_eth_dev *dev,
246 				enum rte_filter_op filter_op,
247 				void *arg);
248 static int igb_get_ethertype_filter(struct rte_eth_dev *dev,
249 			struct rte_eth_ethertype_filter *filter);
250 static int eth_igb_filter_ctrl(struct rte_eth_dev *dev,
251 		     enum rte_filter_type filter_type,
252 		     enum rte_filter_op filter_op,
253 		     void *arg);
254 static int eth_igb_get_reg_length(struct rte_eth_dev *dev);
255 static int eth_igb_get_regs(struct rte_eth_dev *dev,
256 		struct rte_dev_reg_info *regs);
257 static int eth_igb_get_eeprom_length(struct rte_eth_dev *dev);
258 static int eth_igb_get_eeprom(struct rte_eth_dev *dev,
259 		struct rte_dev_eeprom_info *eeprom);
260 static int eth_igb_set_eeprom(struct rte_eth_dev *dev,
261 		struct rte_dev_eeprom_info *eeprom);
262 static int eth_igb_set_mc_addr_list(struct rte_eth_dev *dev,
263 				    struct ether_addr *mc_addr_set,
264 				    uint32_t nb_mc_addr);
265 static int igb_timesync_enable(struct rte_eth_dev *dev);
266 static int igb_timesync_disable(struct rte_eth_dev *dev);
267 static int igb_timesync_read_rx_timestamp(struct rte_eth_dev *dev,
268 					  struct timespec *timestamp,
269 					  uint32_t flags);
270 static int igb_timesync_read_tx_timestamp(struct rte_eth_dev *dev,
271 					  struct timespec *timestamp);
272 static int igb_timesync_adjust_time(struct rte_eth_dev *dev, int64_t delta);
273 static int igb_timesync_read_time(struct rte_eth_dev *dev,
274 				  struct timespec *timestamp);
275 static int igb_timesync_write_time(struct rte_eth_dev *dev,
276 				   const struct timespec *timestamp);
277 static int eth_igb_rx_queue_intr_enable(struct rte_eth_dev *dev,
278 					uint16_t queue_id);
279 static int eth_igb_rx_queue_intr_disable(struct rte_eth_dev *dev,
280 					 uint16_t queue_id);
281 static void eth_igb_assign_msix_vector(struct e1000_hw *hw, int8_t direction,
282 				       uint8_t queue, uint8_t msix_vector);
283 static void eth_igb_write_ivar(struct e1000_hw *hw, uint8_t msix_vector,
284 			       uint8_t index, uint8_t offset);
285 static void eth_igb_configure_msix_intr(struct rte_eth_dev *dev);
286 static void eth_igbvf_interrupt_handler(struct rte_intr_handle *handle,
287 					void *param);
288 static void igbvf_mbx_process(struct rte_eth_dev *dev);
289 
290 /*
291  * Define VF Stats MACRO for Non "cleared on read" register
292  */
293 #define UPDATE_VF_STAT(reg, last, cur)            \
294 {                                                 \
295 	u32 latest = E1000_READ_REG(hw, reg);     \
296 	cur += (latest - last) & UINT_MAX;        \
297 	last = latest;                            \
298 }
299 
300 #define IGB_FC_PAUSE_TIME 0x0680
301 #define IGB_LINK_UPDATE_CHECK_TIMEOUT  90  /* 9s */
302 #define IGB_LINK_UPDATE_CHECK_INTERVAL 100 /* ms */
303 
304 #define IGBVF_PMD_NAME "rte_igbvf_pmd"     /* PMD name */
305 
306 static enum e1000_fc_mode igb_fc_setting = e1000_fc_full;
307 
308 /*
309  * The set of PCI devices this driver supports
310  */
311 static const struct rte_pci_id pci_id_igb_map[] = {
312 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82576) },
313 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82576_FIBER) },
314 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82576_SERDES) },
315 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82576_QUAD_COPPER) },
316 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82576_QUAD_COPPER_ET2) },
317 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82576_NS) },
318 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82576_NS_SERDES) },
319 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82576_SERDES_QUAD) },
320 
321 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82575EB_COPPER) },
322 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82575EB_FIBER_SERDES) },
323 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82575GB_QUAD_COPPER) },
324 
325 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82580_COPPER) },
326 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82580_FIBER) },
327 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82580_SERDES) },
328 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82580_SGMII) },
329 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82580_COPPER_DUAL) },
330 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82580_QUAD_FIBER) },
331 
332 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I350_COPPER) },
333 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I350_FIBER) },
334 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I350_SERDES) },
335 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I350_SGMII) },
336 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I350_DA4) },
337 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I210_COPPER) },
338 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I210_COPPER_OEM1) },
339 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I210_COPPER_IT) },
340 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I210_FIBER) },
341 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I210_SERDES) },
342 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I210_SGMII) },
343 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I211_COPPER) },
344 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I354_BACKPLANE_1GBPS) },
345 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I354_SGMII) },
346 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I354_BACKPLANE_2_5GBPS) },
347 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_DH89XXCC_SGMII) },
348 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_DH89XXCC_SERDES) },
349 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_DH89XXCC_BACKPLANE) },
350 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_DH89XXCC_SFP) },
351 	{ .vendor_id = 0, /* sentinel */ },
352 };
353 
354 /*
355  * The set of PCI devices this driver supports (for 82576&I350 VF)
356  */
357 static const struct rte_pci_id pci_id_igbvf_map[] = {
358 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82576_VF) },
359 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82576_VF_HV) },
360 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I350_VF) },
361 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I350_VF_HV) },
362 	{ .vendor_id = 0, /* sentinel */ },
363 };
364 
365 static const struct rte_eth_desc_lim rx_desc_lim = {
366 	.nb_max = E1000_MAX_RING_DESC,
367 	.nb_min = E1000_MIN_RING_DESC,
368 	.nb_align = IGB_RXD_ALIGN,
369 };
370 
371 static const struct rte_eth_desc_lim tx_desc_lim = {
372 	.nb_max = E1000_MAX_RING_DESC,
373 	.nb_min = E1000_MIN_RING_DESC,
374 	.nb_align = IGB_RXD_ALIGN,
375 	.nb_seg_max = IGB_TX_MAX_SEG,
376 	.nb_mtu_seg_max = IGB_TX_MAX_MTU_SEG,
377 };
378 
379 static const struct eth_dev_ops eth_igb_ops = {
380 	.dev_configure        = eth_igb_configure,
381 	.dev_start            = eth_igb_start,
382 	.dev_stop             = eth_igb_stop,
383 	.dev_set_link_up      = eth_igb_dev_set_link_up,
384 	.dev_set_link_down    = eth_igb_dev_set_link_down,
385 	.dev_close            = eth_igb_close,
386 	.promiscuous_enable   = eth_igb_promiscuous_enable,
387 	.promiscuous_disable  = eth_igb_promiscuous_disable,
388 	.allmulticast_enable  = eth_igb_allmulticast_enable,
389 	.allmulticast_disable = eth_igb_allmulticast_disable,
390 	.link_update          = eth_igb_link_update,
391 	.stats_get            = eth_igb_stats_get,
392 	.xstats_get           = eth_igb_xstats_get,
393 	.xstats_get_names     = eth_igb_xstats_get_names,
394 	.stats_reset          = eth_igb_stats_reset,
395 	.xstats_reset         = eth_igb_xstats_reset,
396 	.fw_version_get       = eth_igb_fw_version_get,
397 	.dev_infos_get        = eth_igb_infos_get,
398 	.dev_supported_ptypes_get = eth_igb_supported_ptypes_get,
399 	.mtu_set              = eth_igb_mtu_set,
400 	.vlan_filter_set      = eth_igb_vlan_filter_set,
401 	.vlan_tpid_set        = eth_igb_vlan_tpid_set,
402 	.vlan_offload_set     = eth_igb_vlan_offload_set,
403 	.rx_queue_setup       = eth_igb_rx_queue_setup,
404 	.rx_queue_intr_enable = eth_igb_rx_queue_intr_enable,
405 	.rx_queue_intr_disable = eth_igb_rx_queue_intr_disable,
406 	.rx_queue_release     = eth_igb_rx_queue_release,
407 	.rx_queue_count       = eth_igb_rx_queue_count,
408 	.rx_descriptor_done   = eth_igb_rx_descriptor_done,
409 	.rx_descriptor_status = eth_igb_rx_descriptor_status,
410 	.tx_descriptor_status = eth_igb_tx_descriptor_status,
411 	.tx_queue_setup       = eth_igb_tx_queue_setup,
412 	.tx_queue_release     = eth_igb_tx_queue_release,
413 	.tx_done_cleanup      = eth_igb_tx_done_cleanup,
414 	.dev_led_on           = eth_igb_led_on,
415 	.dev_led_off          = eth_igb_led_off,
416 	.flow_ctrl_get        = eth_igb_flow_ctrl_get,
417 	.flow_ctrl_set        = eth_igb_flow_ctrl_set,
418 	.mac_addr_add         = eth_igb_rar_set,
419 	.mac_addr_remove      = eth_igb_rar_clear,
420 	.mac_addr_set         = eth_igb_default_mac_addr_set,
421 	.reta_update          = eth_igb_rss_reta_update,
422 	.reta_query           = eth_igb_rss_reta_query,
423 	.rss_hash_update      = eth_igb_rss_hash_update,
424 	.rss_hash_conf_get    = eth_igb_rss_hash_conf_get,
425 	.filter_ctrl          = eth_igb_filter_ctrl,
426 	.set_mc_addr_list     = eth_igb_set_mc_addr_list,
427 	.rxq_info_get         = igb_rxq_info_get,
428 	.txq_info_get         = igb_txq_info_get,
429 	.timesync_enable      = igb_timesync_enable,
430 	.timesync_disable     = igb_timesync_disable,
431 	.timesync_read_rx_timestamp = igb_timesync_read_rx_timestamp,
432 	.timesync_read_tx_timestamp = igb_timesync_read_tx_timestamp,
433 	.get_reg              = eth_igb_get_regs,
434 	.get_eeprom_length    = eth_igb_get_eeprom_length,
435 	.get_eeprom           = eth_igb_get_eeprom,
436 	.set_eeprom           = eth_igb_set_eeprom,
437 	.timesync_adjust_time = igb_timesync_adjust_time,
438 	.timesync_read_time   = igb_timesync_read_time,
439 	.timesync_write_time  = igb_timesync_write_time,
440 };
441 
442 /*
443  * dev_ops for virtual function, bare necessities for basic vf
444  * operation have been implemented
445  */
446 static const struct eth_dev_ops igbvf_eth_dev_ops = {
447 	.dev_configure        = igbvf_dev_configure,
448 	.dev_start            = igbvf_dev_start,
449 	.dev_stop             = igbvf_dev_stop,
450 	.dev_close            = igbvf_dev_close,
451 	.promiscuous_enable   = igbvf_promiscuous_enable,
452 	.promiscuous_disable  = igbvf_promiscuous_disable,
453 	.allmulticast_enable  = igbvf_allmulticast_enable,
454 	.allmulticast_disable = igbvf_allmulticast_disable,
455 	.link_update          = eth_igb_link_update,
456 	.stats_get            = eth_igbvf_stats_get,
457 	.xstats_get           = eth_igbvf_xstats_get,
458 	.xstats_get_names     = eth_igbvf_xstats_get_names,
459 	.stats_reset          = eth_igbvf_stats_reset,
460 	.xstats_reset         = eth_igbvf_stats_reset,
461 	.vlan_filter_set      = igbvf_vlan_filter_set,
462 	.dev_infos_get        = eth_igbvf_infos_get,
463 	.dev_supported_ptypes_get = eth_igb_supported_ptypes_get,
464 	.rx_queue_setup       = eth_igb_rx_queue_setup,
465 	.rx_queue_release     = eth_igb_rx_queue_release,
466 	.tx_queue_setup       = eth_igb_tx_queue_setup,
467 	.tx_queue_release     = eth_igb_tx_queue_release,
468 	.set_mc_addr_list     = eth_igb_set_mc_addr_list,
469 	.rxq_info_get         = igb_rxq_info_get,
470 	.txq_info_get         = igb_txq_info_get,
471 	.mac_addr_set         = igbvf_default_mac_addr_set,
472 	.get_reg              = igbvf_get_regs,
473 };
474 
475 /* store statistics names and its offset in stats structure */
476 struct rte_igb_xstats_name_off {
477 	char name[RTE_ETH_XSTATS_NAME_SIZE];
478 	unsigned offset;
479 };
480 
481 static const struct rte_igb_xstats_name_off rte_igb_stats_strings[] = {
482 	{"rx_crc_errors", offsetof(struct e1000_hw_stats, crcerrs)},
483 	{"rx_align_errors", offsetof(struct e1000_hw_stats, algnerrc)},
484 	{"rx_symbol_errors", offsetof(struct e1000_hw_stats, symerrs)},
485 	{"rx_missed_packets", offsetof(struct e1000_hw_stats, mpc)},
486 	{"tx_single_collision_packets", offsetof(struct e1000_hw_stats, scc)},
487 	{"tx_multiple_collision_packets", offsetof(struct e1000_hw_stats, mcc)},
488 	{"tx_excessive_collision_packets", offsetof(struct e1000_hw_stats,
489 		ecol)},
490 	{"tx_late_collisions", offsetof(struct e1000_hw_stats, latecol)},
491 	{"tx_total_collisions", offsetof(struct e1000_hw_stats, colc)},
492 	{"tx_deferred_packets", offsetof(struct e1000_hw_stats, dc)},
493 	{"tx_no_carrier_sense_packets", offsetof(struct e1000_hw_stats, tncrs)},
494 	{"rx_carrier_ext_errors", offsetof(struct e1000_hw_stats, cexterr)},
495 	{"rx_length_errors", offsetof(struct e1000_hw_stats, rlec)},
496 	{"rx_xon_packets", offsetof(struct e1000_hw_stats, xonrxc)},
497 	{"tx_xon_packets", offsetof(struct e1000_hw_stats, xontxc)},
498 	{"rx_xoff_packets", offsetof(struct e1000_hw_stats, xoffrxc)},
499 	{"tx_xoff_packets", offsetof(struct e1000_hw_stats, xofftxc)},
500 	{"rx_flow_control_unsupported_packets", offsetof(struct e1000_hw_stats,
501 		fcruc)},
502 	{"rx_size_64_packets", offsetof(struct e1000_hw_stats, prc64)},
503 	{"rx_size_65_to_127_packets", offsetof(struct e1000_hw_stats, prc127)},
504 	{"rx_size_128_to_255_packets", offsetof(struct e1000_hw_stats, prc255)},
505 	{"rx_size_256_to_511_packets", offsetof(struct e1000_hw_stats, prc511)},
506 	{"rx_size_512_to_1023_packets", offsetof(struct e1000_hw_stats,
507 		prc1023)},
508 	{"rx_size_1024_to_max_packets", offsetof(struct e1000_hw_stats,
509 		prc1522)},
510 	{"rx_broadcast_packets", offsetof(struct e1000_hw_stats, bprc)},
511 	{"rx_multicast_packets", offsetof(struct e1000_hw_stats, mprc)},
512 	{"rx_undersize_errors", offsetof(struct e1000_hw_stats, ruc)},
513 	{"rx_fragment_errors", offsetof(struct e1000_hw_stats, rfc)},
514 	{"rx_oversize_errors", offsetof(struct e1000_hw_stats, roc)},
515 	{"rx_jabber_errors", offsetof(struct e1000_hw_stats, rjc)},
516 	{"rx_management_packets", offsetof(struct e1000_hw_stats, mgprc)},
517 	{"rx_management_dropped", offsetof(struct e1000_hw_stats, mgpdc)},
518 	{"tx_management_packets", offsetof(struct e1000_hw_stats, mgptc)},
519 	{"rx_total_packets", offsetof(struct e1000_hw_stats, tpr)},
520 	{"tx_total_packets", offsetof(struct e1000_hw_stats, tpt)},
521 	{"rx_total_bytes", offsetof(struct e1000_hw_stats, tor)},
522 	{"tx_total_bytes", offsetof(struct e1000_hw_stats, tot)},
523 	{"tx_size_64_packets", offsetof(struct e1000_hw_stats, ptc64)},
524 	{"tx_size_65_to_127_packets", offsetof(struct e1000_hw_stats, ptc127)},
525 	{"tx_size_128_to_255_packets", offsetof(struct e1000_hw_stats, ptc255)},
526 	{"tx_size_256_to_511_packets", offsetof(struct e1000_hw_stats, ptc511)},
527 	{"tx_size_512_to_1023_packets", offsetof(struct e1000_hw_stats,
528 		ptc1023)},
529 	{"tx_size_1023_to_max_packets", offsetof(struct e1000_hw_stats,
530 		ptc1522)},
531 	{"tx_multicast_packets", offsetof(struct e1000_hw_stats, mptc)},
532 	{"tx_broadcast_packets", offsetof(struct e1000_hw_stats, bptc)},
533 	{"tx_tso_packets", offsetof(struct e1000_hw_stats, tsctc)},
534 	{"tx_tso_errors", offsetof(struct e1000_hw_stats, tsctfc)},
535 	{"rx_sent_to_host_packets", offsetof(struct e1000_hw_stats, rpthc)},
536 	{"tx_sent_by_host_packets", offsetof(struct e1000_hw_stats, hgptc)},
537 	{"rx_code_violation_packets", offsetof(struct e1000_hw_stats, scvpc)},
538 
539 	{"interrupt_assert_count", offsetof(struct e1000_hw_stats, iac)},
540 };
541 
542 #define IGB_NB_XSTATS (sizeof(rte_igb_stats_strings) / \
543 		sizeof(rte_igb_stats_strings[0]))
544 
545 static const struct rte_igb_xstats_name_off rte_igbvf_stats_strings[] = {
546 	{"rx_multicast_packets", offsetof(struct e1000_vf_stats, mprc)},
547 	{"rx_good_loopback_packets", offsetof(struct e1000_vf_stats, gprlbc)},
548 	{"tx_good_loopback_packets", offsetof(struct e1000_vf_stats, gptlbc)},
549 	{"rx_good_loopback_bytes", offsetof(struct e1000_vf_stats, gorlbc)},
550 	{"tx_good_loopback_bytes", offsetof(struct e1000_vf_stats, gotlbc)},
551 };
552 
553 #define IGBVF_NB_XSTATS (sizeof(rte_igbvf_stats_strings) / \
554 		sizeof(rte_igbvf_stats_strings[0]))
555 
556 /**
557  * Atomically reads the link status information from global
558  * structure rte_eth_dev.
559  *
560  * @param dev
561  *   - Pointer to the structure rte_eth_dev to read from.
562  *   - Pointer to the buffer to be saved with the link status.
563  *
564  * @return
565  *   - On success, zero.
566  *   - On failure, negative value.
567  */
568 static inline int
569 rte_igb_dev_atomic_read_link_status(struct rte_eth_dev *dev,
570 				struct rte_eth_link *link)
571 {
572 	struct rte_eth_link *dst = link;
573 	struct rte_eth_link *src = &(dev->data->dev_link);
574 
575 	if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
576 					*(uint64_t *)src) == 0)
577 		return -1;
578 
579 	return 0;
580 }
581 
582 /**
583  * Atomically writes the link status information into global
584  * structure rte_eth_dev.
585  *
586  * @param dev
587  *   - Pointer to the structure rte_eth_dev to read from.
588  *   - Pointer to the buffer to be saved with the link status.
589  *
590  * @return
591  *   - On success, zero.
592  *   - On failure, negative value.
593  */
594 static inline int
595 rte_igb_dev_atomic_write_link_status(struct rte_eth_dev *dev,
596 				struct rte_eth_link *link)
597 {
598 	struct rte_eth_link *dst = &(dev->data->dev_link);
599 	struct rte_eth_link *src = link;
600 
601 	if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
602 					*(uint64_t *)src) == 0)
603 		return -1;
604 
605 	return 0;
606 }
607 
608 static inline void
609 igb_intr_enable(struct rte_eth_dev *dev)
610 {
611 	struct e1000_interrupt *intr =
612 		E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
613 	struct e1000_hw *hw =
614 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
615 
616 	E1000_WRITE_REG(hw, E1000_IMS, intr->mask);
617 	E1000_WRITE_FLUSH(hw);
618 }
619 
620 static void
621 igb_intr_disable(struct e1000_hw *hw)
622 {
623 	E1000_WRITE_REG(hw, E1000_IMC, ~0);
624 	E1000_WRITE_FLUSH(hw);
625 }
626 
627 static inline void
628 igbvf_intr_enable(struct rte_eth_dev *dev)
629 {
630 	struct e1000_hw *hw =
631 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
632 
633 	/* only for mailbox */
634 	E1000_WRITE_REG(hw, E1000_EIAM, 1 << E1000_VTIVAR_MISC_MAILBOX);
635 	E1000_WRITE_REG(hw, E1000_EIAC, 1 << E1000_VTIVAR_MISC_MAILBOX);
636 	E1000_WRITE_REG(hw, E1000_EIMS, 1 << E1000_VTIVAR_MISC_MAILBOX);
637 	E1000_WRITE_FLUSH(hw);
638 }
639 
640 /* only for mailbox now. If RX/TX needed, should extend this function.  */
641 static void
642 igbvf_set_ivar_map(struct e1000_hw *hw, uint8_t msix_vector)
643 {
644 	uint32_t tmp = 0;
645 
646 	/* mailbox */
647 	tmp |= (msix_vector & E1000_VTIVAR_MISC_INTR_MASK);
648 	tmp |= E1000_VTIVAR_VALID;
649 	E1000_WRITE_REG(hw, E1000_VTIVAR_MISC, tmp);
650 }
651 
652 static void
653 eth_igbvf_configure_msix_intr(struct rte_eth_dev *dev)
654 {
655 	struct e1000_hw *hw =
656 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
657 
658 	/* Configure VF other cause ivar */
659 	igbvf_set_ivar_map(hw, E1000_VTIVAR_MISC_MAILBOX);
660 }
661 
662 static inline int32_t
663 igb_pf_reset_hw(struct e1000_hw *hw)
664 {
665 	uint32_t ctrl_ext;
666 	int32_t status;
667 
668 	status = e1000_reset_hw(hw);
669 
670 	ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
671 	/* Set PF Reset Done bit so PF/VF Mail Ops can work */
672 	ctrl_ext |= E1000_CTRL_EXT_PFRSTD;
673 	E1000_WRITE_REG(hw, E1000_CTRL_EXT, ctrl_ext);
674 	E1000_WRITE_FLUSH(hw);
675 
676 	return status;
677 }
678 
679 static void
680 igb_identify_hardware(struct rte_eth_dev *dev, struct rte_pci_device *pci_dev)
681 {
682 	struct e1000_hw *hw =
683 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
684 
685 
686 	hw->vendor_id = pci_dev->id.vendor_id;
687 	hw->device_id = pci_dev->id.device_id;
688 	hw->subsystem_vendor_id = pci_dev->id.subsystem_vendor_id;
689 	hw->subsystem_device_id = pci_dev->id.subsystem_device_id;
690 
691 	e1000_set_mac_type(hw);
692 
693 	/* need to check if it is a vf device below */
694 }
695 
696 static int
697 igb_reset_swfw_lock(struct e1000_hw *hw)
698 {
699 	int ret_val;
700 
701 	/*
702 	 * Do mac ops initialization manually here, since we will need
703 	 * some function pointers set by this call.
704 	 */
705 	ret_val = e1000_init_mac_params(hw);
706 	if (ret_val)
707 		return ret_val;
708 
709 	/*
710 	 * SMBI lock should not fail in this early stage. If this is the case,
711 	 * it is due to an improper exit of the application.
712 	 * So force the release of the faulty lock.
713 	 */
714 	if (e1000_get_hw_semaphore_generic(hw) < 0) {
715 		PMD_DRV_LOG(DEBUG, "SMBI lock released");
716 	}
717 	e1000_put_hw_semaphore_generic(hw);
718 
719 	if (hw->mac.ops.acquire_swfw_sync != NULL) {
720 		uint16_t mask;
721 
722 		/*
723 		 * Phy lock should not fail in this early stage. If this is the case,
724 		 * it is due to an improper exit of the application.
725 		 * So force the release of the faulty lock.
726 		 */
727 		mask = E1000_SWFW_PHY0_SM << hw->bus.func;
728 		if (hw->bus.func > E1000_FUNC_1)
729 			mask <<= 2;
730 		if (hw->mac.ops.acquire_swfw_sync(hw, mask) < 0) {
731 			PMD_DRV_LOG(DEBUG, "SWFW phy%d lock released",
732 				    hw->bus.func);
733 		}
734 		hw->mac.ops.release_swfw_sync(hw, mask);
735 
736 		/*
737 		 * This one is more tricky since it is common to all ports; but
738 		 * swfw_sync retries last long enough (1s) to be almost sure that if
739 		 * lock can not be taken it is due to an improper lock of the
740 		 * semaphore.
741 		 */
742 		mask = E1000_SWFW_EEP_SM;
743 		if (hw->mac.ops.acquire_swfw_sync(hw, mask) < 0) {
744 			PMD_DRV_LOG(DEBUG, "SWFW common locks released");
745 		}
746 		hw->mac.ops.release_swfw_sync(hw, mask);
747 	}
748 
749 	return E1000_SUCCESS;
750 }
751 
752 static int
753 eth_igb_dev_init(struct rte_eth_dev *eth_dev)
754 {
755 	int error = 0;
756 	struct rte_pci_device *pci_dev = E1000_DEV_TO_PCI(eth_dev);
757 	struct e1000_hw *hw =
758 		E1000_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
759 	struct e1000_vfta * shadow_vfta =
760 		E1000_DEV_PRIVATE_TO_VFTA(eth_dev->data->dev_private);
761 	struct e1000_filter_info *filter_info =
762 		E1000_DEV_PRIVATE_TO_FILTER_INFO(eth_dev->data->dev_private);
763 	struct e1000_adapter *adapter =
764 		E1000_DEV_PRIVATE(eth_dev->data->dev_private);
765 
766 	uint32_t ctrl_ext;
767 
768 	eth_dev->dev_ops = &eth_igb_ops;
769 	eth_dev->rx_pkt_burst = &eth_igb_recv_pkts;
770 	eth_dev->tx_pkt_burst = &eth_igb_xmit_pkts;
771 	eth_dev->tx_pkt_prepare = &eth_igb_prep_pkts;
772 
773 	/* for secondary processes, we don't initialise any further as primary
774 	 * has already done this work. Only check we don't need a different
775 	 * RX function */
776 	if (rte_eal_process_type() != RTE_PROC_PRIMARY){
777 		if (eth_dev->data->scattered_rx)
778 			eth_dev->rx_pkt_burst = &eth_igb_recv_scattered_pkts;
779 		return 0;
780 	}
781 
782 	rte_eth_copy_pci_info(eth_dev, pci_dev);
783 	eth_dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
784 
785 	hw->hw_addr= (void *)pci_dev->mem_resource[0].addr;
786 
787 	igb_identify_hardware(eth_dev, pci_dev);
788 	if (e1000_setup_init_funcs(hw, FALSE) != E1000_SUCCESS) {
789 		error = -EIO;
790 		goto err_late;
791 	}
792 
793 	e1000_get_bus_info(hw);
794 
795 	/* Reset any pending lock */
796 	if (igb_reset_swfw_lock(hw) != E1000_SUCCESS) {
797 		error = -EIO;
798 		goto err_late;
799 	}
800 
801 	/* Finish initialization */
802 	if (e1000_setup_init_funcs(hw, TRUE) != E1000_SUCCESS) {
803 		error = -EIO;
804 		goto err_late;
805 	}
806 
807 	hw->mac.autoneg = 1;
808 	hw->phy.autoneg_wait_to_complete = 0;
809 	hw->phy.autoneg_advertised = E1000_ALL_SPEED_DUPLEX;
810 
811 	/* Copper options */
812 	if (hw->phy.media_type == e1000_media_type_copper) {
813 		hw->phy.mdix = 0; /* AUTO_ALL_MODES */
814 		hw->phy.disable_polarity_correction = 0;
815 		hw->phy.ms_type = e1000_ms_hw_default;
816 	}
817 
818 	/*
819 	 * Start from a known state, this is important in reading the nvm
820 	 * and mac from that.
821 	 */
822 	igb_pf_reset_hw(hw);
823 
824 	/* Make sure we have a good EEPROM before we read from it */
825 	if (e1000_validate_nvm_checksum(hw) < 0) {
826 		/*
827 		 * Some PCI-E parts fail the first check due to
828 		 * the link being in sleep state, call it again,
829 		 * if it fails a second time its a real issue.
830 		 */
831 		if (e1000_validate_nvm_checksum(hw) < 0) {
832 			PMD_INIT_LOG(ERR, "EEPROM checksum invalid");
833 			error = -EIO;
834 			goto err_late;
835 		}
836 	}
837 
838 	/* Read the permanent MAC address out of the EEPROM */
839 	if (e1000_read_mac_addr(hw) != 0) {
840 		PMD_INIT_LOG(ERR, "EEPROM error while reading MAC address");
841 		error = -EIO;
842 		goto err_late;
843 	}
844 
845 	/* Allocate memory for storing MAC addresses */
846 	eth_dev->data->mac_addrs = rte_zmalloc("e1000",
847 		ETHER_ADDR_LEN * hw->mac.rar_entry_count, 0);
848 	if (eth_dev->data->mac_addrs == NULL) {
849 		PMD_INIT_LOG(ERR, "Failed to allocate %d bytes needed to "
850 						"store MAC addresses",
851 				ETHER_ADDR_LEN * hw->mac.rar_entry_count);
852 		error = -ENOMEM;
853 		goto err_late;
854 	}
855 
856 	/* Copy the permanent MAC address */
857 	ether_addr_copy((struct ether_addr *)hw->mac.addr, &eth_dev->data->mac_addrs[0]);
858 
859 	/* initialize the vfta */
860 	memset(shadow_vfta, 0, sizeof(*shadow_vfta));
861 
862 	/* Now initialize the hardware */
863 	if (igb_hardware_init(hw) != 0) {
864 		PMD_INIT_LOG(ERR, "Hardware initialization failed");
865 		rte_free(eth_dev->data->mac_addrs);
866 		eth_dev->data->mac_addrs = NULL;
867 		error = -ENODEV;
868 		goto err_late;
869 	}
870 	hw->mac.get_link_status = 1;
871 	adapter->stopped = 0;
872 
873 	/* Indicate SOL/IDER usage */
874 	if (e1000_check_reset_block(hw) < 0) {
875 		PMD_INIT_LOG(ERR, "PHY reset is blocked due to"
876 					"SOL/IDER session");
877 	}
878 
879 	/* initialize PF if max_vfs not zero */
880 	igb_pf_host_init(eth_dev);
881 
882 	ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
883 	/* Set PF Reset Done bit so PF/VF Mail Ops can work */
884 	ctrl_ext |= E1000_CTRL_EXT_PFRSTD;
885 	E1000_WRITE_REG(hw, E1000_CTRL_EXT, ctrl_ext);
886 	E1000_WRITE_FLUSH(hw);
887 
888 	PMD_INIT_LOG(DEBUG, "port_id %d vendorID=0x%x deviceID=0x%x",
889 		     eth_dev->data->port_id, pci_dev->id.vendor_id,
890 		     pci_dev->id.device_id);
891 
892 	rte_intr_callback_register(&pci_dev->intr_handle,
893 				   eth_igb_interrupt_handler,
894 				   (void *)eth_dev);
895 
896 	/* enable uio/vfio intr/eventfd mapping */
897 	rte_intr_enable(&pci_dev->intr_handle);
898 
899 	/* enable support intr */
900 	igb_intr_enable(eth_dev);
901 
902 	TAILQ_INIT(&filter_info->flex_list);
903 	filter_info->flex_mask = 0;
904 	TAILQ_INIT(&filter_info->twotuple_list);
905 	filter_info->twotuple_mask = 0;
906 	TAILQ_INIT(&filter_info->fivetuple_list);
907 	filter_info->fivetuple_mask = 0;
908 
909 	return 0;
910 
911 err_late:
912 	igb_hw_control_release(hw);
913 
914 	return error;
915 }
916 
917 static int
918 eth_igb_dev_uninit(struct rte_eth_dev *eth_dev)
919 {
920 	struct rte_pci_device *pci_dev;
921 	struct rte_intr_handle *intr_handle;
922 	struct e1000_hw *hw;
923 	struct e1000_adapter *adapter =
924 		E1000_DEV_PRIVATE(eth_dev->data->dev_private);
925 
926 	PMD_INIT_FUNC_TRACE();
927 
928 	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
929 		return -EPERM;
930 
931 	hw = E1000_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
932 	pci_dev = E1000_DEV_TO_PCI(eth_dev);
933 	intr_handle = &pci_dev->intr_handle;
934 
935 	if (adapter->stopped == 0)
936 		eth_igb_close(eth_dev);
937 
938 	eth_dev->dev_ops = NULL;
939 	eth_dev->rx_pkt_burst = NULL;
940 	eth_dev->tx_pkt_burst = NULL;
941 
942 	/* Reset any pending lock */
943 	igb_reset_swfw_lock(hw);
944 
945 	rte_free(eth_dev->data->mac_addrs);
946 	eth_dev->data->mac_addrs = NULL;
947 
948 	/* uninitialize PF if max_vfs not zero */
949 	igb_pf_host_uninit(eth_dev);
950 
951 	/* disable uio intr before callback unregister */
952 	rte_intr_disable(intr_handle);
953 	rte_intr_callback_unregister(intr_handle,
954 				     eth_igb_interrupt_handler, eth_dev);
955 
956 	return 0;
957 }
958 
959 /*
960  * Virtual Function device init
961  */
962 static int
963 eth_igbvf_dev_init(struct rte_eth_dev *eth_dev)
964 {
965 	struct rte_pci_device *pci_dev;
966 	struct rte_intr_handle *intr_handle;
967 	struct e1000_adapter *adapter =
968 		E1000_DEV_PRIVATE(eth_dev->data->dev_private);
969 	struct e1000_hw *hw =
970 		E1000_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
971 	int diag;
972 	struct ether_addr *perm_addr = (struct ether_addr *)hw->mac.perm_addr;
973 
974 	PMD_INIT_FUNC_TRACE();
975 
976 	eth_dev->dev_ops = &igbvf_eth_dev_ops;
977 	eth_dev->rx_pkt_burst = &eth_igb_recv_pkts;
978 	eth_dev->tx_pkt_burst = &eth_igb_xmit_pkts;
979 	eth_dev->tx_pkt_prepare = &eth_igb_prep_pkts;
980 
981 	/* for secondary processes, we don't initialise any further as primary
982 	 * has already done this work. Only check we don't need a different
983 	 * RX function */
984 	if (rte_eal_process_type() != RTE_PROC_PRIMARY){
985 		if (eth_dev->data->scattered_rx)
986 			eth_dev->rx_pkt_burst = &eth_igb_recv_scattered_pkts;
987 		return 0;
988 	}
989 
990 	pci_dev = E1000_DEV_TO_PCI(eth_dev);
991 	rte_eth_copy_pci_info(eth_dev, pci_dev);
992 	eth_dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
993 
994 	hw->device_id = pci_dev->id.device_id;
995 	hw->vendor_id = pci_dev->id.vendor_id;
996 	hw->hw_addr = (void *)pci_dev->mem_resource[0].addr;
997 	adapter->stopped = 0;
998 
999 	/* Initialize the shared code (base driver) */
1000 	diag = e1000_setup_init_funcs(hw, TRUE);
1001 	if (diag != 0) {
1002 		PMD_INIT_LOG(ERR, "Shared code init failed for igbvf: %d",
1003 			diag);
1004 		return -EIO;
1005 	}
1006 
1007 	/* init_mailbox_params */
1008 	hw->mbx.ops.init_params(hw);
1009 
1010 	/* Disable the interrupts for VF */
1011 	igbvf_intr_disable(hw);
1012 
1013 	diag = hw->mac.ops.reset_hw(hw);
1014 
1015 	/* Allocate memory for storing MAC addresses */
1016 	eth_dev->data->mac_addrs = rte_zmalloc("igbvf", ETHER_ADDR_LEN *
1017 		hw->mac.rar_entry_count, 0);
1018 	if (eth_dev->data->mac_addrs == NULL) {
1019 		PMD_INIT_LOG(ERR,
1020 			"Failed to allocate %d bytes needed to store MAC "
1021 			"addresses",
1022 			ETHER_ADDR_LEN * hw->mac.rar_entry_count);
1023 		return -ENOMEM;
1024 	}
1025 
1026 	/* Generate a random MAC address, if none was assigned by PF. */
1027 	if (is_zero_ether_addr(perm_addr)) {
1028 		eth_random_addr(perm_addr->addr_bytes);
1029 		diag = e1000_rar_set(hw, perm_addr->addr_bytes, 0);
1030 		if (diag) {
1031 			rte_free(eth_dev->data->mac_addrs);
1032 			eth_dev->data->mac_addrs = NULL;
1033 			return diag;
1034 		}
1035 		PMD_INIT_LOG(INFO, "\tVF MAC address not assigned by Host PF");
1036 		PMD_INIT_LOG(INFO, "\tAssign randomly generated MAC address "
1037 			     "%02x:%02x:%02x:%02x:%02x:%02x",
1038 			     perm_addr->addr_bytes[0],
1039 			     perm_addr->addr_bytes[1],
1040 			     perm_addr->addr_bytes[2],
1041 			     perm_addr->addr_bytes[3],
1042 			     perm_addr->addr_bytes[4],
1043 			     perm_addr->addr_bytes[5]);
1044 	}
1045 
1046 	/* Copy the permanent MAC address */
1047 	ether_addr_copy((struct ether_addr *) hw->mac.perm_addr,
1048 			&eth_dev->data->mac_addrs[0]);
1049 
1050 	PMD_INIT_LOG(DEBUG, "port %d vendorID=0x%x deviceID=0x%x "
1051 		     "mac.type=%s",
1052 		     eth_dev->data->port_id, pci_dev->id.vendor_id,
1053 		     pci_dev->id.device_id, "igb_mac_82576_vf");
1054 
1055 	intr_handle = &pci_dev->intr_handle;
1056 	rte_intr_callback_register(intr_handle,
1057 				   eth_igbvf_interrupt_handler, eth_dev);
1058 
1059 	return 0;
1060 }
1061 
1062 static int
1063 eth_igbvf_dev_uninit(struct rte_eth_dev *eth_dev)
1064 {
1065 	struct e1000_adapter *adapter =
1066 		E1000_DEV_PRIVATE(eth_dev->data->dev_private);
1067 	struct rte_pci_device *pci_dev = E1000_DEV_TO_PCI(eth_dev);
1068 
1069 	PMD_INIT_FUNC_TRACE();
1070 
1071 	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1072 		return -EPERM;
1073 
1074 	if (adapter->stopped == 0)
1075 		igbvf_dev_close(eth_dev);
1076 
1077 	eth_dev->dev_ops = NULL;
1078 	eth_dev->rx_pkt_burst = NULL;
1079 	eth_dev->tx_pkt_burst = NULL;
1080 
1081 	rte_free(eth_dev->data->mac_addrs);
1082 	eth_dev->data->mac_addrs = NULL;
1083 
1084 	/* disable uio intr before callback unregister */
1085 	rte_intr_disable(&pci_dev->intr_handle);
1086 	rte_intr_callback_unregister(&pci_dev->intr_handle,
1087 				     eth_igbvf_interrupt_handler,
1088 				     (void *)eth_dev);
1089 
1090 	return 0;
1091 }
1092 
1093 static struct eth_driver rte_igb_pmd = {
1094 	.pci_drv = {
1095 		.id_table = pci_id_igb_map,
1096 		.drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
1097 		.probe = rte_eth_dev_pci_probe,
1098 		.remove = rte_eth_dev_pci_remove,
1099 	},
1100 	.eth_dev_init = eth_igb_dev_init,
1101 	.eth_dev_uninit = eth_igb_dev_uninit,
1102 	.dev_private_size = sizeof(struct e1000_adapter),
1103 };
1104 
1105 /*
1106  * virtual function driver struct
1107  */
1108 static struct eth_driver rte_igbvf_pmd = {
1109 	.pci_drv = {
1110 		.id_table = pci_id_igbvf_map,
1111 		.drv_flags = RTE_PCI_DRV_NEED_MAPPING,
1112 		.probe = rte_eth_dev_pci_probe,
1113 		.remove = rte_eth_dev_pci_remove,
1114 	},
1115 	.eth_dev_init = eth_igbvf_dev_init,
1116 	.eth_dev_uninit = eth_igbvf_dev_uninit,
1117 	.dev_private_size = sizeof(struct e1000_adapter),
1118 };
1119 
1120 static void
1121 igb_vmdq_vlan_hw_filter_enable(struct rte_eth_dev *dev)
1122 {
1123 	struct e1000_hw *hw =
1124 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1125 	/* RCTL: enable VLAN filter since VMDq always use VLAN filter */
1126 	uint32_t rctl = E1000_READ_REG(hw, E1000_RCTL);
1127 	rctl |= E1000_RCTL_VFE;
1128 	E1000_WRITE_REG(hw, E1000_RCTL, rctl);
1129 }
1130 
1131 static int
1132 igb_check_mq_mode(struct rte_eth_dev *dev)
1133 {
1134 	enum rte_eth_rx_mq_mode rx_mq_mode = dev->data->dev_conf.rxmode.mq_mode;
1135 	enum rte_eth_tx_mq_mode tx_mq_mode = dev->data->dev_conf.txmode.mq_mode;
1136 	uint16_t nb_rx_q = dev->data->nb_rx_queues;
1137 	uint16_t nb_tx_q = dev->data->nb_rx_queues;
1138 
1139 	if ((rx_mq_mode & ETH_MQ_RX_DCB_FLAG) ||
1140 	    tx_mq_mode == ETH_MQ_TX_DCB ||
1141 	    tx_mq_mode == ETH_MQ_TX_VMDQ_DCB) {
1142 		PMD_INIT_LOG(ERR, "DCB mode is not supported.");
1143 		return -EINVAL;
1144 	}
1145 	if (RTE_ETH_DEV_SRIOV(dev).active != 0) {
1146 		/* Check multi-queue mode.
1147 		 * To no break software we accept ETH_MQ_RX_NONE as this might
1148 		 * be used to turn off VLAN filter.
1149 		 */
1150 
1151 		if (rx_mq_mode == ETH_MQ_RX_NONE ||
1152 		    rx_mq_mode == ETH_MQ_RX_VMDQ_ONLY) {
1153 			dev->data->dev_conf.rxmode.mq_mode = ETH_MQ_RX_VMDQ_ONLY;
1154 			RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool = 1;
1155 		} else {
1156 			/* Only support one queue on VFs.
1157 			 * RSS together with SRIOV is not supported.
1158 			 */
1159 			PMD_INIT_LOG(ERR, "SRIOV is active,"
1160 					" wrong mq_mode rx %d.",
1161 					rx_mq_mode);
1162 			return -EINVAL;
1163 		}
1164 		/* TX mode is not used here, so mode might be ignored.*/
1165 		if (tx_mq_mode != ETH_MQ_TX_VMDQ_ONLY) {
1166 			/* SRIOV only works in VMDq enable mode */
1167 			PMD_INIT_LOG(WARNING, "SRIOV is active,"
1168 					" TX mode %d is not supported. "
1169 					" Driver will behave as %d mode.",
1170 					tx_mq_mode, ETH_MQ_TX_VMDQ_ONLY);
1171 		}
1172 
1173 		/* check valid queue number */
1174 		if ((nb_rx_q > 1) || (nb_tx_q > 1)) {
1175 			PMD_INIT_LOG(ERR, "SRIOV is active,"
1176 					" only support one queue on VFs.");
1177 			return -EINVAL;
1178 		}
1179 	} else {
1180 		/* To no break software that set invalid mode, only display
1181 		 * warning if invalid mode is used.
1182 		 */
1183 		if (rx_mq_mode != ETH_MQ_RX_NONE &&
1184 		    rx_mq_mode != ETH_MQ_RX_VMDQ_ONLY &&
1185 		    rx_mq_mode != ETH_MQ_RX_RSS) {
1186 			/* RSS together with VMDq not supported*/
1187 			PMD_INIT_LOG(ERR, "RX mode %d is not supported.",
1188 				     rx_mq_mode);
1189 			return -EINVAL;
1190 		}
1191 
1192 		if (tx_mq_mode != ETH_MQ_TX_NONE &&
1193 		    tx_mq_mode != ETH_MQ_TX_VMDQ_ONLY) {
1194 			PMD_INIT_LOG(WARNING, "TX mode %d is not supported."
1195 					" Due to txmode is meaningless in this"
1196 					" driver, just ignore.",
1197 					tx_mq_mode);
1198 		}
1199 	}
1200 	return 0;
1201 }
1202 
1203 static int
1204 eth_igb_configure(struct rte_eth_dev *dev)
1205 {
1206 	struct e1000_interrupt *intr =
1207 		E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
1208 	int ret;
1209 
1210 	PMD_INIT_FUNC_TRACE();
1211 
1212 	/* multipe queue mode checking */
1213 	ret  = igb_check_mq_mode(dev);
1214 	if (ret != 0) {
1215 		PMD_DRV_LOG(ERR, "igb_check_mq_mode fails with %d.",
1216 			    ret);
1217 		return ret;
1218 	}
1219 
1220 	intr->flags |= E1000_FLAG_NEED_LINK_UPDATE;
1221 	PMD_INIT_FUNC_TRACE();
1222 
1223 	return 0;
1224 }
1225 
1226 static int
1227 eth_igb_start(struct rte_eth_dev *dev)
1228 {
1229 	struct e1000_hw *hw =
1230 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1231 	struct e1000_adapter *adapter =
1232 		E1000_DEV_PRIVATE(dev->data->dev_private);
1233 	struct rte_pci_device *pci_dev = E1000_DEV_TO_PCI(dev);
1234 	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1235 	int ret, mask;
1236 	uint32_t intr_vector = 0;
1237 	uint32_t ctrl_ext;
1238 	uint32_t *speeds;
1239 	int num_speeds;
1240 	bool autoneg;
1241 
1242 	PMD_INIT_FUNC_TRACE();
1243 
1244 	/* disable uio/vfio intr/eventfd mapping */
1245 	rte_intr_disable(intr_handle);
1246 
1247 	/* Power up the phy. Needed to make the link go Up */
1248 	eth_igb_dev_set_link_up(dev);
1249 
1250 	/*
1251 	 * Packet Buffer Allocation (PBA)
1252 	 * Writing PBA sets the receive portion of the buffer
1253 	 * the remainder is used for the transmit buffer.
1254 	 */
1255 	if (hw->mac.type == e1000_82575) {
1256 		uint32_t pba;
1257 
1258 		pba = E1000_PBA_32K; /* 32K for Rx, 16K for Tx */
1259 		E1000_WRITE_REG(hw, E1000_PBA, pba);
1260 	}
1261 
1262 	/* Put the address into the Receive Address Array */
1263 	e1000_rar_set(hw, hw->mac.addr, 0);
1264 
1265 	/* Initialize the hardware */
1266 	if (igb_hardware_init(hw)) {
1267 		PMD_INIT_LOG(ERR, "Unable to initialize the hardware");
1268 		return -EIO;
1269 	}
1270 	adapter->stopped = 0;
1271 
1272 	E1000_WRITE_REG(hw, E1000_VET, ETHER_TYPE_VLAN << 16 | ETHER_TYPE_VLAN);
1273 
1274 	ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
1275 	/* Set PF Reset Done bit so PF/VF Mail Ops can work */
1276 	ctrl_ext |= E1000_CTRL_EXT_PFRSTD;
1277 	E1000_WRITE_REG(hw, E1000_CTRL_EXT, ctrl_ext);
1278 	E1000_WRITE_FLUSH(hw);
1279 
1280 	/* configure PF module if SRIOV enabled */
1281 	igb_pf_host_configure(dev);
1282 
1283 	/* check and configure queue intr-vector mapping */
1284 	if ((rte_intr_cap_multiple(intr_handle) ||
1285 	     !RTE_ETH_DEV_SRIOV(dev).active) &&
1286 	    dev->data->dev_conf.intr_conf.rxq != 0) {
1287 		intr_vector = dev->data->nb_rx_queues;
1288 		if (rte_intr_efd_enable(intr_handle, intr_vector))
1289 			return -1;
1290 	}
1291 
1292 	if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) {
1293 		intr_handle->intr_vec =
1294 			rte_zmalloc("intr_vec",
1295 				    dev->data->nb_rx_queues * sizeof(int), 0);
1296 		if (intr_handle->intr_vec == NULL) {
1297 			PMD_INIT_LOG(ERR, "Failed to allocate %d rx_queues"
1298 				     " intr_vec", dev->data->nb_rx_queues);
1299 			return -ENOMEM;
1300 		}
1301 	}
1302 
1303 	/* confiugre msix for rx interrupt */
1304 	eth_igb_configure_msix_intr(dev);
1305 
1306 	/* Configure for OS presence */
1307 	igb_init_manageability(hw);
1308 
1309 	eth_igb_tx_init(dev);
1310 
1311 	/* This can fail when allocating mbufs for descriptor rings */
1312 	ret = eth_igb_rx_init(dev);
1313 	if (ret) {
1314 		PMD_INIT_LOG(ERR, "Unable to initialize RX hardware");
1315 		igb_dev_clear_queues(dev);
1316 		return ret;
1317 	}
1318 
1319 	e1000_clear_hw_cntrs_base_generic(hw);
1320 
1321 	/*
1322 	 * VLAN Offload Settings
1323 	 */
1324 	mask = ETH_VLAN_STRIP_MASK | ETH_VLAN_FILTER_MASK | \
1325 			ETH_VLAN_EXTEND_MASK;
1326 	eth_igb_vlan_offload_set(dev, mask);
1327 
1328 	if (dev->data->dev_conf.rxmode.mq_mode == ETH_MQ_RX_VMDQ_ONLY) {
1329 		/* Enable VLAN filter since VMDq always use VLAN filter */
1330 		igb_vmdq_vlan_hw_filter_enable(dev);
1331 	}
1332 
1333 	if ((hw->mac.type == e1000_82576) || (hw->mac.type == e1000_82580) ||
1334 		(hw->mac.type == e1000_i350) || (hw->mac.type == e1000_i210) ||
1335 		(hw->mac.type == e1000_i211)) {
1336 		/* Configure EITR with the maximum possible value (0xFFFF) */
1337 		E1000_WRITE_REG(hw, E1000_EITR(0), 0xFFFF);
1338 	}
1339 
1340 	/* Setup link speed and duplex */
1341 	speeds = &dev->data->dev_conf.link_speeds;
1342 	if (*speeds == ETH_LINK_SPEED_AUTONEG) {
1343 		hw->phy.autoneg_advertised = E1000_ALL_SPEED_DUPLEX;
1344 		hw->mac.autoneg = 1;
1345 	} else {
1346 		num_speeds = 0;
1347 		autoneg = (*speeds & ETH_LINK_SPEED_FIXED) == 0;
1348 
1349 		/* Reset */
1350 		hw->phy.autoneg_advertised = 0;
1351 
1352 		if (*speeds & ~(ETH_LINK_SPEED_10M_HD | ETH_LINK_SPEED_10M |
1353 				ETH_LINK_SPEED_100M_HD | ETH_LINK_SPEED_100M |
1354 				ETH_LINK_SPEED_1G | ETH_LINK_SPEED_FIXED)) {
1355 			num_speeds = -1;
1356 			goto error_invalid_config;
1357 		}
1358 		if (*speeds & ETH_LINK_SPEED_10M_HD) {
1359 			hw->phy.autoneg_advertised |= ADVERTISE_10_HALF;
1360 			num_speeds++;
1361 		}
1362 		if (*speeds & ETH_LINK_SPEED_10M) {
1363 			hw->phy.autoneg_advertised |= ADVERTISE_10_FULL;
1364 			num_speeds++;
1365 		}
1366 		if (*speeds & ETH_LINK_SPEED_100M_HD) {
1367 			hw->phy.autoneg_advertised |= ADVERTISE_100_HALF;
1368 			num_speeds++;
1369 		}
1370 		if (*speeds & ETH_LINK_SPEED_100M) {
1371 			hw->phy.autoneg_advertised |= ADVERTISE_100_FULL;
1372 			num_speeds++;
1373 		}
1374 		if (*speeds & ETH_LINK_SPEED_1G) {
1375 			hw->phy.autoneg_advertised |= ADVERTISE_1000_FULL;
1376 			num_speeds++;
1377 		}
1378 		if (num_speeds == 0 || (!autoneg && (num_speeds > 1)))
1379 			goto error_invalid_config;
1380 
1381 		/* Set/reset the mac.autoneg based on the link speed,
1382 		 * fixed or not
1383 		 */
1384 		if (!autoneg) {
1385 			hw->mac.autoneg = 0;
1386 			hw->mac.forced_speed_duplex =
1387 					hw->phy.autoneg_advertised;
1388 		} else {
1389 			hw->mac.autoneg = 1;
1390 		}
1391 	}
1392 
1393 	e1000_setup_link(hw);
1394 
1395 	if (rte_intr_allow_others(intr_handle)) {
1396 		/* check if lsc interrupt is enabled */
1397 		if (dev->data->dev_conf.intr_conf.lsc != 0)
1398 			eth_igb_lsc_interrupt_setup(dev);
1399 	} else {
1400 		rte_intr_callback_unregister(intr_handle,
1401 					     eth_igb_interrupt_handler,
1402 					     (void *)dev);
1403 		if (dev->data->dev_conf.intr_conf.lsc != 0)
1404 			PMD_INIT_LOG(INFO, "lsc won't enable because of"
1405 				     " no intr multiplex");
1406 	}
1407 
1408 	/* check if rxq interrupt is enabled */
1409 	if (dev->data->dev_conf.intr_conf.rxq != 0 &&
1410 	    rte_intr_dp_is_en(intr_handle))
1411 		eth_igb_rxq_interrupt_setup(dev);
1412 
1413 	/* enable uio/vfio intr/eventfd mapping */
1414 	rte_intr_enable(intr_handle);
1415 
1416 	/* resume enabled intr since hw reset */
1417 	igb_intr_enable(dev);
1418 
1419 	PMD_INIT_LOG(DEBUG, "<<");
1420 
1421 	return 0;
1422 
1423 error_invalid_config:
1424 	PMD_INIT_LOG(ERR, "Invalid advertised speeds (%u) for port %u",
1425 		     dev->data->dev_conf.link_speeds, dev->data->port_id);
1426 	igb_dev_clear_queues(dev);
1427 	return -EINVAL;
1428 }
1429 
1430 /*********************************************************************
1431  *
1432  *  This routine disables all traffic on the adapter by issuing a
1433  *  global reset on the MAC.
1434  *
1435  **********************************************************************/
1436 static void
1437 eth_igb_stop(struct rte_eth_dev *dev)
1438 {
1439 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1440 	struct e1000_filter_info *filter_info =
1441 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
1442 	struct rte_pci_device *pci_dev = E1000_DEV_TO_PCI(dev);
1443 	struct rte_eth_link link;
1444 	struct e1000_flex_filter *p_flex;
1445 	struct e1000_5tuple_filter *p_5tuple, *p_5tuple_next;
1446 	struct e1000_2tuple_filter *p_2tuple, *p_2tuple_next;
1447 	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1448 
1449 	igb_intr_disable(hw);
1450 
1451 	/* disable intr eventfd mapping */
1452 	rte_intr_disable(intr_handle);
1453 
1454 	igb_pf_reset_hw(hw);
1455 	E1000_WRITE_REG(hw, E1000_WUC, 0);
1456 
1457 	/* Set bit for Go Link disconnect */
1458 	if (hw->mac.type >= e1000_82580) {
1459 		uint32_t phpm_reg;
1460 
1461 		phpm_reg = E1000_READ_REG(hw, E1000_82580_PHY_POWER_MGMT);
1462 		phpm_reg |= E1000_82580_PM_GO_LINKD;
1463 		E1000_WRITE_REG(hw, E1000_82580_PHY_POWER_MGMT, phpm_reg);
1464 	}
1465 
1466 	/* Power down the phy. Needed to make the link go Down */
1467 	eth_igb_dev_set_link_down(dev);
1468 
1469 	igb_dev_clear_queues(dev);
1470 
1471 	/* clear the recorded link status */
1472 	memset(&link, 0, sizeof(link));
1473 	rte_igb_dev_atomic_write_link_status(dev, &link);
1474 
1475 	/* Remove all flex filters of the device */
1476 	while ((p_flex = TAILQ_FIRST(&filter_info->flex_list))) {
1477 		TAILQ_REMOVE(&filter_info->flex_list, p_flex, entries);
1478 		rte_free(p_flex);
1479 	}
1480 	filter_info->flex_mask = 0;
1481 
1482 	/* Remove all ntuple filters of the device */
1483 	for (p_5tuple = TAILQ_FIRST(&filter_info->fivetuple_list);
1484 	     p_5tuple != NULL; p_5tuple = p_5tuple_next) {
1485 		p_5tuple_next = TAILQ_NEXT(p_5tuple, entries);
1486 		TAILQ_REMOVE(&filter_info->fivetuple_list,
1487 			     p_5tuple, entries);
1488 		rte_free(p_5tuple);
1489 	}
1490 	filter_info->fivetuple_mask = 0;
1491 	for (p_2tuple = TAILQ_FIRST(&filter_info->twotuple_list);
1492 	     p_2tuple != NULL; p_2tuple = p_2tuple_next) {
1493 		p_2tuple_next = TAILQ_NEXT(p_2tuple, entries);
1494 		TAILQ_REMOVE(&filter_info->twotuple_list,
1495 			     p_2tuple, entries);
1496 		rte_free(p_2tuple);
1497 	}
1498 	filter_info->twotuple_mask = 0;
1499 
1500 	if (!rte_intr_allow_others(intr_handle))
1501 		/* resume to the default handler */
1502 		rte_intr_callback_register(intr_handle,
1503 					   eth_igb_interrupt_handler,
1504 					   (void *)dev);
1505 
1506 	/* Clean datapath event and queue/vec mapping */
1507 	rte_intr_efd_disable(intr_handle);
1508 	if (intr_handle->intr_vec != NULL) {
1509 		rte_free(intr_handle->intr_vec);
1510 		intr_handle->intr_vec = NULL;
1511 	}
1512 }
1513 
1514 static int
1515 eth_igb_dev_set_link_up(struct rte_eth_dev *dev)
1516 {
1517 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1518 
1519 	if (hw->phy.media_type == e1000_media_type_copper)
1520 		e1000_power_up_phy(hw);
1521 	else
1522 		e1000_power_up_fiber_serdes_link(hw);
1523 
1524 	return 0;
1525 }
1526 
1527 static int
1528 eth_igb_dev_set_link_down(struct rte_eth_dev *dev)
1529 {
1530 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1531 
1532 	if (hw->phy.media_type == e1000_media_type_copper)
1533 		e1000_power_down_phy(hw);
1534 	else
1535 		e1000_shutdown_fiber_serdes_link(hw);
1536 
1537 	return 0;
1538 }
1539 
1540 static void
1541 eth_igb_close(struct rte_eth_dev *dev)
1542 {
1543 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1544 	struct e1000_adapter *adapter =
1545 		E1000_DEV_PRIVATE(dev->data->dev_private);
1546 	struct rte_eth_link link;
1547 	struct rte_pci_device *pci_dev = E1000_DEV_TO_PCI(dev);
1548 	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1549 
1550 	eth_igb_stop(dev);
1551 	adapter->stopped = 1;
1552 
1553 	e1000_phy_hw_reset(hw);
1554 	igb_release_manageability(hw);
1555 	igb_hw_control_release(hw);
1556 
1557 	/* Clear bit for Go Link disconnect */
1558 	if (hw->mac.type >= e1000_82580) {
1559 		uint32_t phpm_reg;
1560 
1561 		phpm_reg = E1000_READ_REG(hw, E1000_82580_PHY_POWER_MGMT);
1562 		phpm_reg &= ~E1000_82580_PM_GO_LINKD;
1563 		E1000_WRITE_REG(hw, E1000_82580_PHY_POWER_MGMT, phpm_reg);
1564 	}
1565 
1566 	igb_dev_free_queues(dev);
1567 
1568 	if (intr_handle->intr_vec) {
1569 		rte_free(intr_handle->intr_vec);
1570 		intr_handle->intr_vec = NULL;
1571 	}
1572 
1573 	memset(&link, 0, sizeof(link));
1574 	rte_igb_dev_atomic_write_link_status(dev, &link);
1575 }
1576 
1577 static int
1578 igb_get_rx_buffer_size(struct e1000_hw *hw)
1579 {
1580 	uint32_t rx_buf_size;
1581 	if (hw->mac.type == e1000_82576) {
1582 		rx_buf_size = (E1000_READ_REG(hw, E1000_RXPBS) & 0xffff) << 10;
1583 	} else if (hw->mac.type == e1000_82580 || hw->mac.type == e1000_i350) {
1584 		/* PBS needs to be translated according to a lookup table */
1585 		rx_buf_size = (E1000_READ_REG(hw, E1000_RXPBS) & 0xf);
1586 		rx_buf_size = (uint32_t) e1000_rxpbs_adjust_82580(rx_buf_size);
1587 		rx_buf_size = (rx_buf_size << 10);
1588 	} else if (hw->mac.type == e1000_i210 || hw->mac.type == e1000_i211) {
1589 		rx_buf_size = (E1000_READ_REG(hw, E1000_RXPBS) & 0x3f) << 10;
1590 	} else {
1591 		rx_buf_size = (E1000_READ_REG(hw, E1000_PBA) & 0xffff) << 10;
1592 	}
1593 
1594 	return rx_buf_size;
1595 }
1596 
1597 /*********************************************************************
1598  *
1599  *  Initialize the hardware
1600  *
1601  **********************************************************************/
1602 static int
1603 igb_hardware_init(struct e1000_hw *hw)
1604 {
1605 	uint32_t rx_buf_size;
1606 	int diag;
1607 
1608 	/* Let the firmware know the OS is in control */
1609 	igb_hw_control_acquire(hw);
1610 
1611 	/*
1612 	 * These parameters control the automatic generation (Tx) and
1613 	 * response (Rx) to Ethernet PAUSE frames.
1614 	 * - High water mark should allow for at least two standard size (1518)
1615 	 *   frames to be received after sending an XOFF.
1616 	 * - Low water mark works best when it is very near the high water mark.
1617 	 *   This allows the receiver to restart by sending XON when it has
1618 	 *   drained a bit. Here we use an arbitrary value of 1500 which will
1619 	 *   restart after one full frame is pulled from the buffer. There
1620 	 *   could be several smaller frames in the buffer and if so they will
1621 	 *   not trigger the XON until their total number reduces the buffer
1622 	 *   by 1500.
1623 	 * - The pause time is fairly large at 1000 x 512ns = 512 usec.
1624 	 */
1625 	rx_buf_size = igb_get_rx_buffer_size(hw);
1626 
1627 	hw->fc.high_water = rx_buf_size - (ETHER_MAX_LEN * 2);
1628 	hw->fc.low_water = hw->fc.high_water - 1500;
1629 	hw->fc.pause_time = IGB_FC_PAUSE_TIME;
1630 	hw->fc.send_xon = 1;
1631 
1632 	/* Set Flow control, use the tunable location if sane */
1633 	if ((igb_fc_setting != e1000_fc_none) && (igb_fc_setting < 4))
1634 		hw->fc.requested_mode = igb_fc_setting;
1635 	else
1636 		hw->fc.requested_mode = e1000_fc_none;
1637 
1638 	/* Issue a global reset */
1639 	igb_pf_reset_hw(hw);
1640 	E1000_WRITE_REG(hw, E1000_WUC, 0);
1641 
1642 	diag = e1000_init_hw(hw);
1643 	if (diag < 0)
1644 		return diag;
1645 
1646 	E1000_WRITE_REG(hw, E1000_VET, ETHER_TYPE_VLAN << 16 | ETHER_TYPE_VLAN);
1647 	e1000_get_phy_info(hw);
1648 	e1000_check_for_link(hw);
1649 
1650 	return 0;
1651 }
1652 
1653 /* This function is based on igb_update_stats_counters() in igb/if_igb.c */
1654 static void
1655 igb_read_stats_registers(struct e1000_hw *hw, struct e1000_hw_stats *stats)
1656 {
1657 	int pause_frames;
1658 
1659 	uint64_t old_gprc  = stats->gprc;
1660 	uint64_t old_gptc  = stats->gptc;
1661 	uint64_t old_tpr   = stats->tpr;
1662 	uint64_t old_tpt   = stats->tpt;
1663 	uint64_t old_rpthc = stats->rpthc;
1664 	uint64_t old_hgptc = stats->hgptc;
1665 
1666 	if(hw->phy.media_type == e1000_media_type_copper ||
1667 	    (E1000_READ_REG(hw, E1000_STATUS) & E1000_STATUS_LU)) {
1668 		stats->symerrs +=
1669 		    E1000_READ_REG(hw,E1000_SYMERRS);
1670 		stats->sec += E1000_READ_REG(hw, E1000_SEC);
1671 	}
1672 
1673 	stats->crcerrs += E1000_READ_REG(hw, E1000_CRCERRS);
1674 	stats->mpc += E1000_READ_REG(hw, E1000_MPC);
1675 	stats->scc += E1000_READ_REG(hw, E1000_SCC);
1676 	stats->ecol += E1000_READ_REG(hw, E1000_ECOL);
1677 
1678 	stats->mcc += E1000_READ_REG(hw, E1000_MCC);
1679 	stats->latecol += E1000_READ_REG(hw, E1000_LATECOL);
1680 	stats->colc += E1000_READ_REG(hw, E1000_COLC);
1681 	stats->dc += E1000_READ_REG(hw, E1000_DC);
1682 	stats->rlec += E1000_READ_REG(hw, E1000_RLEC);
1683 	stats->xonrxc += E1000_READ_REG(hw, E1000_XONRXC);
1684 	stats->xontxc += E1000_READ_REG(hw, E1000_XONTXC);
1685 	/*
1686 	** For watchdog management we need to know if we have been
1687 	** paused during the last interval, so capture that here.
1688 	*/
1689 	pause_frames = E1000_READ_REG(hw, E1000_XOFFRXC);
1690 	stats->xoffrxc += pause_frames;
1691 	stats->xofftxc += E1000_READ_REG(hw, E1000_XOFFTXC);
1692 	stats->fcruc += E1000_READ_REG(hw, E1000_FCRUC);
1693 	stats->prc64 += E1000_READ_REG(hw, E1000_PRC64);
1694 	stats->prc127 += E1000_READ_REG(hw, E1000_PRC127);
1695 	stats->prc255 += E1000_READ_REG(hw, E1000_PRC255);
1696 	stats->prc511 += E1000_READ_REG(hw, E1000_PRC511);
1697 	stats->prc1023 += E1000_READ_REG(hw, E1000_PRC1023);
1698 	stats->prc1522 += E1000_READ_REG(hw, E1000_PRC1522);
1699 	stats->gprc += E1000_READ_REG(hw, E1000_GPRC);
1700 	stats->bprc += E1000_READ_REG(hw, E1000_BPRC);
1701 	stats->mprc += E1000_READ_REG(hw, E1000_MPRC);
1702 	stats->gptc += E1000_READ_REG(hw, E1000_GPTC);
1703 
1704 	/* For the 64-bit byte counters the low dword must be read first. */
1705 	/* Both registers clear on the read of the high dword */
1706 
1707 	/* Workaround CRC bytes included in size, take away 4 bytes/packet */
1708 	stats->gorc += E1000_READ_REG(hw, E1000_GORCL);
1709 	stats->gorc += ((uint64_t)E1000_READ_REG(hw, E1000_GORCH) << 32);
1710 	stats->gorc -= (stats->gprc - old_gprc) * ETHER_CRC_LEN;
1711 	stats->gotc += E1000_READ_REG(hw, E1000_GOTCL);
1712 	stats->gotc += ((uint64_t)E1000_READ_REG(hw, E1000_GOTCH) << 32);
1713 	stats->gotc -= (stats->gptc - old_gptc) * ETHER_CRC_LEN;
1714 
1715 	stats->rnbc += E1000_READ_REG(hw, E1000_RNBC);
1716 	stats->ruc += E1000_READ_REG(hw, E1000_RUC);
1717 	stats->rfc += E1000_READ_REG(hw, E1000_RFC);
1718 	stats->roc += E1000_READ_REG(hw, E1000_ROC);
1719 	stats->rjc += E1000_READ_REG(hw, E1000_RJC);
1720 
1721 	stats->tpr += E1000_READ_REG(hw, E1000_TPR);
1722 	stats->tpt += E1000_READ_REG(hw, E1000_TPT);
1723 
1724 	stats->tor += E1000_READ_REG(hw, E1000_TORL);
1725 	stats->tor += ((uint64_t)E1000_READ_REG(hw, E1000_TORH) << 32);
1726 	stats->tor -= (stats->tpr - old_tpr) * ETHER_CRC_LEN;
1727 	stats->tot += E1000_READ_REG(hw, E1000_TOTL);
1728 	stats->tot += ((uint64_t)E1000_READ_REG(hw, E1000_TOTH) << 32);
1729 	stats->tot -= (stats->tpt - old_tpt) * ETHER_CRC_LEN;
1730 
1731 	stats->ptc64 += E1000_READ_REG(hw, E1000_PTC64);
1732 	stats->ptc127 += E1000_READ_REG(hw, E1000_PTC127);
1733 	stats->ptc255 += E1000_READ_REG(hw, E1000_PTC255);
1734 	stats->ptc511 += E1000_READ_REG(hw, E1000_PTC511);
1735 	stats->ptc1023 += E1000_READ_REG(hw, E1000_PTC1023);
1736 	stats->ptc1522 += E1000_READ_REG(hw, E1000_PTC1522);
1737 	stats->mptc += E1000_READ_REG(hw, E1000_MPTC);
1738 	stats->bptc += E1000_READ_REG(hw, E1000_BPTC);
1739 
1740 	/* Interrupt Counts */
1741 
1742 	stats->iac += E1000_READ_REG(hw, E1000_IAC);
1743 	stats->icrxptc += E1000_READ_REG(hw, E1000_ICRXPTC);
1744 	stats->icrxatc += E1000_READ_REG(hw, E1000_ICRXATC);
1745 	stats->ictxptc += E1000_READ_REG(hw, E1000_ICTXPTC);
1746 	stats->ictxatc += E1000_READ_REG(hw, E1000_ICTXATC);
1747 	stats->ictxqec += E1000_READ_REG(hw, E1000_ICTXQEC);
1748 	stats->ictxqmtc += E1000_READ_REG(hw, E1000_ICTXQMTC);
1749 	stats->icrxdmtc += E1000_READ_REG(hw, E1000_ICRXDMTC);
1750 	stats->icrxoc += E1000_READ_REG(hw, E1000_ICRXOC);
1751 
1752 	/* Host to Card Statistics */
1753 
1754 	stats->cbtmpc += E1000_READ_REG(hw, E1000_CBTMPC);
1755 	stats->htdpmc += E1000_READ_REG(hw, E1000_HTDPMC);
1756 	stats->cbrdpc += E1000_READ_REG(hw, E1000_CBRDPC);
1757 	stats->cbrmpc += E1000_READ_REG(hw, E1000_CBRMPC);
1758 	stats->rpthc += E1000_READ_REG(hw, E1000_RPTHC);
1759 	stats->hgptc += E1000_READ_REG(hw, E1000_HGPTC);
1760 	stats->htcbdpc += E1000_READ_REG(hw, E1000_HTCBDPC);
1761 	stats->hgorc += E1000_READ_REG(hw, E1000_HGORCL);
1762 	stats->hgorc += ((uint64_t)E1000_READ_REG(hw, E1000_HGORCH) << 32);
1763 	stats->hgorc -= (stats->rpthc - old_rpthc) * ETHER_CRC_LEN;
1764 	stats->hgotc += E1000_READ_REG(hw, E1000_HGOTCL);
1765 	stats->hgotc += ((uint64_t)E1000_READ_REG(hw, E1000_HGOTCH) << 32);
1766 	stats->hgotc -= (stats->hgptc - old_hgptc) * ETHER_CRC_LEN;
1767 	stats->lenerrs += E1000_READ_REG(hw, E1000_LENERRS);
1768 	stats->scvpc += E1000_READ_REG(hw, E1000_SCVPC);
1769 	stats->hrmpc += E1000_READ_REG(hw, E1000_HRMPC);
1770 
1771 	stats->algnerrc += E1000_READ_REG(hw, E1000_ALGNERRC);
1772 	stats->rxerrc += E1000_READ_REG(hw, E1000_RXERRC);
1773 	stats->tncrs += E1000_READ_REG(hw, E1000_TNCRS);
1774 	stats->cexterr += E1000_READ_REG(hw, E1000_CEXTERR);
1775 	stats->tsctc += E1000_READ_REG(hw, E1000_TSCTC);
1776 	stats->tsctfc += E1000_READ_REG(hw, E1000_TSCTFC);
1777 }
1778 
1779 static void
1780 eth_igb_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *rte_stats)
1781 {
1782 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1783 	struct e1000_hw_stats *stats =
1784 			E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
1785 
1786 	igb_read_stats_registers(hw, stats);
1787 
1788 	if (rte_stats == NULL)
1789 		return;
1790 
1791 	/* Rx Errors */
1792 	rte_stats->imissed = stats->mpc;
1793 	rte_stats->ierrors = stats->crcerrs +
1794 	                     stats->rlec + stats->ruc + stats->roc +
1795 	                     stats->rxerrc + stats->algnerrc + stats->cexterr;
1796 
1797 	/* Tx Errors */
1798 	rte_stats->oerrors = stats->ecol + stats->latecol;
1799 
1800 	rte_stats->ipackets = stats->gprc;
1801 	rte_stats->opackets = stats->gptc;
1802 	rte_stats->ibytes   = stats->gorc;
1803 	rte_stats->obytes   = stats->gotc;
1804 }
1805 
1806 static void
1807 eth_igb_stats_reset(struct rte_eth_dev *dev)
1808 {
1809 	struct e1000_hw_stats *hw_stats =
1810 			E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
1811 
1812 	/* HW registers are cleared on read */
1813 	eth_igb_stats_get(dev, NULL);
1814 
1815 	/* Reset software totals */
1816 	memset(hw_stats, 0, sizeof(*hw_stats));
1817 }
1818 
1819 static void
1820 eth_igb_xstats_reset(struct rte_eth_dev *dev)
1821 {
1822 	struct e1000_hw_stats *stats =
1823 			E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
1824 
1825 	/* HW registers are cleared on read */
1826 	eth_igb_xstats_get(dev, NULL, IGB_NB_XSTATS);
1827 
1828 	/* Reset software totals */
1829 	memset(stats, 0, sizeof(*stats));
1830 }
1831 
1832 static int eth_igb_xstats_get_names(__rte_unused struct rte_eth_dev *dev,
1833 	struct rte_eth_xstat_name *xstats_names,
1834 	__rte_unused unsigned limit)
1835 {
1836 	unsigned i;
1837 
1838 	if (xstats_names == NULL)
1839 		return IGB_NB_XSTATS;
1840 
1841 	/* Note: limit checked in rte_eth_xstats_names() */
1842 
1843 	for (i = 0; i < IGB_NB_XSTATS; i++) {
1844 		snprintf(xstats_names[i].name, sizeof(xstats_names[i].name),
1845 			 "%s", rte_igb_stats_strings[i].name);
1846 	}
1847 
1848 	return IGB_NB_XSTATS;
1849 }
1850 
1851 static int
1852 eth_igb_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
1853 		   unsigned n)
1854 {
1855 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1856 	struct e1000_hw_stats *hw_stats =
1857 			E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
1858 	unsigned i;
1859 
1860 	if (n < IGB_NB_XSTATS)
1861 		return IGB_NB_XSTATS;
1862 
1863 	igb_read_stats_registers(hw, hw_stats);
1864 
1865 	/* If this is a reset xstats is NULL, and we have cleared the
1866 	 * registers by reading them.
1867 	 */
1868 	if (!xstats)
1869 		return 0;
1870 
1871 	/* Extended stats */
1872 	for (i = 0; i < IGB_NB_XSTATS; i++) {
1873 		xstats[i].id = i;
1874 		xstats[i].value = *(uint64_t *)(((char *)hw_stats) +
1875 			rte_igb_stats_strings[i].offset);
1876 	}
1877 
1878 	return IGB_NB_XSTATS;
1879 }
1880 
1881 static void
1882 igbvf_read_stats_registers(struct e1000_hw *hw, struct e1000_vf_stats *hw_stats)
1883 {
1884 	/* Good Rx packets, include VF loopback */
1885 	UPDATE_VF_STAT(E1000_VFGPRC,
1886 	    hw_stats->last_gprc, hw_stats->gprc);
1887 
1888 	/* Good Rx octets, include VF loopback */
1889 	UPDATE_VF_STAT(E1000_VFGORC,
1890 	    hw_stats->last_gorc, hw_stats->gorc);
1891 
1892 	/* Good Tx packets, include VF loopback */
1893 	UPDATE_VF_STAT(E1000_VFGPTC,
1894 	    hw_stats->last_gptc, hw_stats->gptc);
1895 
1896 	/* Good Tx octets, include VF loopback */
1897 	UPDATE_VF_STAT(E1000_VFGOTC,
1898 	    hw_stats->last_gotc, hw_stats->gotc);
1899 
1900 	/* Rx Multicst packets */
1901 	UPDATE_VF_STAT(E1000_VFMPRC,
1902 	    hw_stats->last_mprc, hw_stats->mprc);
1903 
1904 	/* Good Rx loopback packets */
1905 	UPDATE_VF_STAT(E1000_VFGPRLBC,
1906 	    hw_stats->last_gprlbc, hw_stats->gprlbc);
1907 
1908 	/* Good Rx loopback octets */
1909 	UPDATE_VF_STAT(E1000_VFGORLBC,
1910 	    hw_stats->last_gorlbc, hw_stats->gorlbc);
1911 
1912 	/* Good Tx loopback packets */
1913 	UPDATE_VF_STAT(E1000_VFGPTLBC,
1914 	    hw_stats->last_gptlbc, hw_stats->gptlbc);
1915 
1916 	/* Good Tx loopback octets */
1917 	UPDATE_VF_STAT(E1000_VFGOTLBC,
1918 	    hw_stats->last_gotlbc, hw_stats->gotlbc);
1919 }
1920 
1921 static int eth_igbvf_xstats_get_names(__rte_unused struct rte_eth_dev *dev,
1922 				     struct rte_eth_xstat_name *xstats_names,
1923 				     __rte_unused unsigned limit)
1924 {
1925 	unsigned i;
1926 
1927 	if (xstats_names != NULL)
1928 		for (i = 0; i < IGBVF_NB_XSTATS; i++) {
1929 			snprintf(xstats_names[i].name,
1930 				sizeof(xstats_names[i].name), "%s",
1931 				rte_igbvf_stats_strings[i].name);
1932 		}
1933 	return IGBVF_NB_XSTATS;
1934 }
1935 
1936 static int
1937 eth_igbvf_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
1938 		     unsigned n)
1939 {
1940 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1941 	struct e1000_vf_stats *hw_stats = (struct e1000_vf_stats *)
1942 			E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
1943 	unsigned i;
1944 
1945 	if (n < IGBVF_NB_XSTATS)
1946 		return IGBVF_NB_XSTATS;
1947 
1948 	igbvf_read_stats_registers(hw, hw_stats);
1949 
1950 	if (!xstats)
1951 		return 0;
1952 
1953 	for (i = 0; i < IGBVF_NB_XSTATS; i++) {
1954 		xstats[i].id = i;
1955 		xstats[i].value = *(uint64_t *)(((char *)hw_stats) +
1956 			rte_igbvf_stats_strings[i].offset);
1957 	}
1958 
1959 	return IGBVF_NB_XSTATS;
1960 }
1961 
1962 static void
1963 eth_igbvf_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *rte_stats)
1964 {
1965 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1966 	struct e1000_vf_stats *hw_stats = (struct e1000_vf_stats *)
1967 			  E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
1968 
1969 	igbvf_read_stats_registers(hw, hw_stats);
1970 
1971 	if (rte_stats == NULL)
1972 		return;
1973 
1974 	rte_stats->ipackets = hw_stats->gprc;
1975 	rte_stats->ibytes = hw_stats->gorc;
1976 	rte_stats->opackets = hw_stats->gptc;
1977 	rte_stats->obytes = hw_stats->gotc;
1978 }
1979 
1980 static void
1981 eth_igbvf_stats_reset(struct rte_eth_dev *dev)
1982 {
1983 	struct e1000_vf_stats *hw_stats = (struct e1000_vf_stats*)
1984 			E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
1985 
1986 	/* Sync HW register to the last stats */
1987 	eth_igbvf_stats_get(dev, NULL);
1988 
1989 	/* reset HW current stats*/
1990 	memset(&hw_stats->gprc, 0, sizeof(*hw_stats) -
1991 	       offsetof(struct e1000_vf_stats, gprc));
1992 }
1993 
1994 static int
1995 eth_igb_fw_version_get(struct rte_eth_dev *dev, char *fw_version,
1996 		       size_t fw_size)
1997 {
1998 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1999 	struct e1000_fw_version fw;
2000 	int ret;
2001 
2002 	e1000_get_fw_version(hw, &fw);
2003 
2004 	switch (hw->mac.type) {
2005 	case e1000_i210:
2006 	case e1000_i211:
2007 		if (!(e1000_get_flash_presence_i210(hw))) {
2008 			ret = snprintf(fw_version, fw_size,
2009 				 "%2d.%2d-%d",
2010 				 fw.invm_major, fw.invm_minor,
2011 				 fw.invm_img_type);
2012 			break;
2013 		}
2014 		/* fall through */
2015 	default:
2016 		/* if option rom is valid, display its version too */
2017 		if (fw.or_valid) {
2018 			ret = snprintf(fw_version, fw_size,
2019 				 "%d.%d, 0x%08x, %d.%d.%d",
2020 				 fw.eep_major, fw.eep_minor, fw.etrack_id,
2021 				 fw.or_major, fw.or_build, fw.or_patch);
2022 		/* no option rom */
2023 		} else {
2024 			if (fw.etrack_id != 0X0000) {
2025 				ret = snprintf(fw_version, fw_size,
2026 					 "%d.%d, 0x%08x",
2027 					 fw.eep_major, fw.eep_minor,
2028 					 fw.etrack_id);
2029 			} else {
2030 				ret = snprintf(fw_version, fw_size,
2031 					 "%d.%d.%d",
2032 					 fw.eep_major, fw.eep_minor,
2033 					 fw.eep_build);
2034 			}
2035 		}
2036 		break;
2037 	}
2038 
2039 	ret += 1; /* add the size of '\0' */
2040 	if (fw_size < (u32)ret)
2041 		return ret;
2042 	else
2043 		return 0;
2044 }
2045 
2046 static void
2047 eth_igb_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
2048 {
2049 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2050 
2051 	dev_info->pci_dev = RTE_DEV_TO_PCI(dev->device);
2052 	dev_info->min_rx_bufsize = 256; /* See BSIZE field of RCTL register. */
2053 	dev_info->max_rx_pktlen  = 0x3FFF; /* See RLPML register. */
2054 	dev_info->max_mac_addrs = hw->mac.rar_entry_count;
2055 	dev_info->rx_offload_capa =
2056 		DEV_RX_OFFLOAD_VLAN_STRIP |
2057 		DEV_RX_OFFLOAD_IPV4_CKSUM |
2058 		DEV_RX_OFFLOAD_UDP_CKSUM  |
2059 		DEV_RX_OFFLOAD_TCP_CKSUM;
2060 	dev_info->tx_offload_capa =
2061 		DEV_TX_OFFLOAD_VLAN_INSERT |
2062 		DEV_TX_OFFLOAD_IPV4_CKSUM  |
2063 		DEV_TX_OFFLOAD_UDP_CKSUM   |
2064 		DEV_TX_OFFLOAD_TCP_CKSUM   |
2065 		DEV_TX_OFFLOAD_SCTP_CKSUM  |
2066 		DEV_TX_OFFLOAD_TCP_TSO;
2067 
2068 	switch (hw->mac.type) {
2069 	case e1000_82575:
2070 		dev_info->max_rx_queues = 4;
2071 		dev_info->max_tx_queues = 4;
2072 		dev_info->max_vmdq_pools = 0;
2073 		break;
2074 
2075 	case e1000_82576:
2076 		dev_info->max_rx_queues = 16;
2077 		dev_info->max_tx_queues = 16;
2078 		dev_info->max_vmdq_pools = ETH_8_POOLS;
2079 		dev_info->vmdq_queue_num = 16;
2080 		break;
2081 
2082 	case e1000_82580:
2083 		dev_info->max_rx_queues = 8;
2084 		dev_info->max_tx_queues = 8;
2085 		dev_info->max_vmdq_pools = ETH_8_POOLS;
2086 		dev_info->vmdq_queue_num = 8;
2087 		break;
2088 
2089 	case e1000_i350:
2090 		dev_info->max_rx_queues = 8;
2091 		dev_info->max_tx_queues = 8;
2092 		dev_info->max_vmdq_pools = ETH_8_POOLS;
2093 		dev_info->vmdq_queue_num = 8;
2094 		break;
2095 
2096 	case e1000_i354:
2097 		dev_info->max_rx_queues = 8;
2098 		dev_info->max_tx_queues = 8;
2099 		break;
2100 
2101 	case e1000_i210:
2102 		dev_info->max_rx_queues = 4;
2103 		dev_info->max_tx_queues = 4;
2104 		dev_info->max_vmdq_pools = 0;
2105 		break;
2106 
2107 	case e1000_i211:
2108 		dev_info->max_rx_queues = 2;
2109 		dev_info->max_tx_queues = 2;
2110 		dev_info->max_vmdq_pools = 0;
2111 		break;
2112 
2113 	default:
2114 		/* Should not happen */
2115 		break;
2116 	}
2117 	dev_info->hash_key_size = IGB_HKEY_MAX_INDEX * sizeof(uint32_t);
2118 	dev_info->reta_size = ETH_RSS_RETA_SIZE_128;
2119 	dev_info->flow_type_rss_offloads = IGB_RSS_OFFLOAD_ALL;
2120 
2121 	dev_info->default_rxconf = (struct rte_eth_rxconf) {
2122 		.rx_thresh = {
2123 			.pthresh = IGB_DEFAULT_RX_PTHRESH,
2124 			.hthresh = IGB_DEFAULT_RX_HTHRESH,
2125 			.wthresh = IGB_DEFAULT_RX_WTHRESH,
2126 		},
2127 		.rx_free_thresh = IGB_DEFAULT_RX_FREE_THRESH,
2128 		.rx_drop_en = 0,
2129 	};
2130 
2131 	dev_info->default_txconf = (struct rte_eth_txconf) {
2132 		.tx_thresh = {
2133 			.pthresh = IGB_DEFAULT_TX_PTHRESH,
2134 			.hthresh = IGB_DEFAULT_TX_HTHRESH,
2135 			.wthresh = IGB_DEFAULT_TX_WTHRESH,
2136 		},
2137 		.txq_flags = 0,
2138 	};
2139 
2140 	dev_info->rx_desc_lim = rx_desc_lim;
2141 	dev_info->tx_desc_lim = tx_desc_lim;
2142 
2143 	dev_info->speed_capa = ETH_LINK_SPEED_10M_HD | ETH_LINK_SPEED_10M |
2144 			ETH_LINK_SPEED_100M_HD | ETH_LINK_SPEED_100M |
2145 			ETH_LINK_SPEED_1G;
2146 }
2147 
2148 static const uint32_t *
2149 eth_igb_supported_ptypes_get(struct rte_eth_dev *dev)
2150 {
2151 	static const uint32_t ptypes[] = {
2152 		/* refers to igb_rxd_pkt_info_to_pkt_type() */
2153 		RTE_PTYPE_L2_ETHER,
2154 		RTE_PTYPE_L3_IPV4,
2155 		RTE_PTYPE_L3_IPV4_EXT,
2156 		RTE_PTYPE_L3_IPV6,
2157 		RTE_PTYPE_L3_IPV6_EXT,
2158 		RTE_PTYPE_L4_TCP,
2159 		RTE_PTYPE_L4_UDP,
2160 		RTE_PTYPE_L4_SCTP,
2161 		RTE_PTYPE_TUNNEL_IP,
2162 		RTE_PTYPE_INNER_L3_IPV6,
2163 		RTE_PTYPE_INNER_L3_IPV6_EXT,
2164 		RTE_PTYPE_INNER_L4_TCP,
2165 		RTE_PTYPE_INNER_L4_UDP,
2166 		RTE_PTYPE_UNKNOWN
2167 	};
2168 
2169 	if (dev->rx_pkt_burst == eth_igb_recv_pkts ||
2170 	    dev->rx_pkt_burst == eth_igb_recv_scattered_pkts)
2171 		return ptypes;
2172 	return NULL;
2173 }
2174 
2175 static void
2176 eth_igbvf_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
2177 {
2178 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2179 
2180 	dev_info->pci_dev = RTE_DEV_TO_PCI(dev->device);
2181 	dev_info->min_rx_bufsize = 256; /* See BSIZE field of RCTL register. */
2182 	dev_info->max_rx_pktlen  = 0x3FFF; /* See RLPML register. */
2183 	dev_info->max_mac_addrs = hw->mac.rar_entry_count;
2184 	dev_info->rx_offload_capa = DEV_RX_OFFLOAD_VLAN_STRIP |
2185 				DEV_RX_OFFLOAD_IPV4_CKSUM |
2186 				DEV_RX_OFFLOAD_UDP_CKSUM  |
2187 				DEV_RX_OFFLOAD_TCP_CKSUM;
2188 	dev_info->tx_offload_capa = DEV_TX_OFFLOAD_VLAN_INSERT |
2189 				DEV_TX_OFFLOAD_IPV4_CKSUM  |
2190 				DEV_TX_OFFLOAD_UDP_CKSUM   |
2191 				DEV_TX_OFFLOAD_TCP_CKSUM   |
2192 				DEV_TX_OFFLOAD_SCTP_CKSUM  |
2193 				DEV_TX_OFFLOAD_TCP_TSO;
2194 	switch (hw->mac.type) {
2195 	case e1000_vfadapt:
2196 		dev_info->max_rx_queues = 2;
2197 		dev_info->max_tx_queues = 2;
2198 		break;
2199 	case e1000_vfadapt_i350:
2200 		dev_info->max_rx_queues = 1;
2201 		dev_info->max_tx_queues = 1;
2202 		break;
2203 	default:
2204 		/* Should not happen */
2205 		break;
2206 	}
2207 
2208 	dev_info->default_rxconf = (struct rte_eth_rxconf) {
2209 		.rx_thresh = {
2210 			.pthresh = IGB_DEFAULT_RX_PTHRESH,
2211 			.hthresh = IGB_DEFAULT_RX_HTHRESH,
2212 			.wthresh = IGB_DEFAULT_RX_WTHRESH,
2213 		},
2214 		.rx_free_thresh = IGB_DEFAULT_RX_FREE_THRESH,
2215 		.rx_drop_en = 0,
2216 	};
2217 
2218 	dev_info->default_txconf = (struct rte_eth_txconf) {
2219 		.tx_thresh = {
2220 			.pthresh = IGB_DEFAULT_TX_PTHRESH,
2221 			.hthresh = IGB_DEFAULT_TX_HTHRESH,
2222 			.wthresh = IGB_DEFAULT_TX_WTHRESH,
2223 		},
2224 		.txq_flags = 0,
2225 	};
2226 
2227 	dev_info->rx_desc_lim = rx_desc_lim;
2228 	dev_info->tx_desc_lim = tx_desc_lim;
2229 }
2230 
2231 /* return 0 means link status changed, -1 means not changed */
2232 static int
2233 eth_igb_link_update(struct rte_eth_dev *dev, int wait_to_complete)
2234 {
2235 	struct e1000_hw *hw =
2236 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2237 	struct rte_eth_link link, old;
2238 	int link_check, count;
2239 
2240 	link_check = 0;
2241 	hw->mac.get_link_status = 1;
2242 
2243 	/* possible wait-to-complete in up to 9 seconds */
2244 	for (count = 0; count < IGB_LINK_UPDATE_CHECK_TIMEOUT; count ++) {
2245 		/* Read the real link status */
2246 		switch (hw->phy.media_type) {
2247 		case e1000_media_type_copper:
2248 			/* Do the work to read phy */
2249 			e1000_check_for_link(hw);
2250 			link_check = !hw->mac.get_link_status;
2251 			break;
2252 
2253 		case e1000_media_type_fiber:
2254 			e1000_check_for_link(hw);
2255 			link_check = (E1000_READ_REG(hw, E1000_STATUS) &
2256 				      E1000_STATUS_LU);
2257 			break;
2258 
2259 		case e1000_media_type_internal_serdes:
2260 			e1000_check_for_link(hw);
2261 			link_check = hw->mac.serdes_has_link;
2262 			break;
2263 
2264 		/* VF device is type_unknown */
2265 		case e1000_media_type_unknown:
2266 			eth_igbvf_link_update(hw);
2267 			link_check = !hw->mac.get_link_status;
2268 			break;
2269 
2270 		default:
2271 			break;
2272 		}
2273 		if (link_check || wait_to_complete == 0)
2274 			break;
2275 		rte_delay_ms(IGB_LINK_UPDATE_CHECK_INTERVAL);
2276 	}
2277 	memset(&link, 0, sizeof(link));
2278 	rte_igb_dev_atomic_read_link_status(dev, &link);
2279 	old = link;
2280 
2281 	/* Now we check if a transition has happened */
2282 	if (link_check) {
2283 		uint16_t duplex, speed;
2284 		hw->mac.ops.get_link_up_info(hw, &speed, &duplex);
2285 		link.link_duplex = (duplex == FULL_DUPLEX) ?
2286 				ETH_LINK_FULL_DUPLEX :
2287 				ETH_LINK_HALF_DUPLEX;
2288 		link.link_speed = speed;
2289 		link.link_status = ETH_LINK_UP;
2290 		link.link_autoneg = !(dev->data->dev_conf.link_speeds &
2291 				ETH_LINK_SPEED_FIXED);
2292 	} else if (!link_check) {
2293 		link.link_speed = 0;
2294 		link.link_duplex = ETH_LINK_HALF_DUPLEX;
2295 		link.link_status = ETH_LINK_DOWN;
2296 		link.link_autoneg = ETH_LINK_SPEED_FIXED;
2297 	}
2298 	rte_igb_dev_atomic_write_link_status(dev, &link);
2299 
2300 	/* not changed */
2301 	if (old.link_status == link.link_status)
2302 		return -1;
2303 
2304 	/* changed */
2305 	return 0;
2306 }
2307 
2308 /*
2309  * igb_hw_control_acquire sets CTRL_EXT:DRV_LOAD bit.
2310  * For ASF and Pass Through versions of f/w this means
2311  * that the driver is loaded.
2312  */
2313 static void
2314 igb_hw_control_acquire(struct e1000_hw *hw)
2315 {
2316 	uint32_t ctrl_ext;
2317 
2318 	/* Let firmware know the driver has taken over */
2319 	ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
2320 	E1000_WRITE_REG(hw, E1000_CTRL_EXT, ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
2321 }
2322 
2323 /*
2324  * igb_hw_control_release resets CTRL_EXT:DRV_LOAD bit.
2325  * For ASF and Pass Through versions of f/w this means that the
2326  * driver is no longer loaded.
2327  */
2328 static void
2329 igb_hw_control_release(struct e1000_hw *hw)
2330 {
2331 	uint32_t ctrl_ext;
2332 
2333 	/* Let firmware taken over control of h/w */
2334 	ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
2335 	E1000_WRITE_REG(hw, E1000_CTRL_EXT,
2336 			ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
2337 }
2338 
2339 /*
2340  * Bit of a misnomer, what this really means is
2341  * to enable OS management of the system... aka
2342  * to disable special hardware management features.
2343  */
2344 static void
2345 igb_init_manageability(struct e1000_hw *hw)
2346 {
2347 	if (e1000_enable_mng_pass_thru(hw)) {
2348 		uint32_t manc2h = E1000_READ_REG(hw, E1000_MANC2H);
2349 		uint32_t manc = E1000_READ_REG(hw, E1000_MANC);
2350 
2351 		/* disable hardware interception of ARP */
2352 		manc &= ~(E1000_MANC_ARP_EN);
2353 
2354 		/* enable receiving management packets to the host */
2355 		manc |= E1000_MANC_EN_MNG2HOST;
2356 		manc2h |= 1 << 5;  /* Mng Port 623 */
2357 		manc2h |= 1 << 6;  /* Mng Port 664 */
2358 		E1000_WRITE_REG(hw, E1000_MANC2H, manc2h);
2359 		E1000_WRITE_REG(hw, E1000_MANC, manc);
2360 	}
2361 }
2362 
2363 static void
2364 igb_release_manageability(struct e1000_hw *hw)
2365 {
2366 	if (e1000_enable_mng_pass_thru(hw)) {
2367 		uint32_t manc = E1000_READ_REG(hw, E1000_MANC);
2368 
2369 		manc |= E1000_MANC_ARP_EN;
2370 		manc &= ~E1000_MANC_EN_MNG2HOST;
2371 
2372 		E1000_WRITE_REG(hw, E1000_MANC, manc);
2373 	}
2374 }
2375 
2376 static void
2377 eth_igb_promiscuous_enable(struct rte_eth_dev *dev)
2378 {
2379 	struct e1000_hw *hw =
2380 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2381 	uint32_t rctl;
2382 
2383 	rctl = E1000_READ_REG(hw, E1000_RCTL);
2384 	rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
2385 	E1000_WRITE_REG(hw, E1000_RCTL, rctl);
2386 }
2387 
2388 static void
2389 eth_igb_promiscuous_disable(struct rte_eth_dev *dev)
2390 {
2391 	struct e1000_hw *hw =
2392 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2393 	uint32_t rctl;
2394 
2395 	rctl = E1000_READ_REG(hw, E1000_RCTL);
2396 	rctl &= (~E1000_RCTL_UPE);
2397 	if (dev->data->all_multicast == 1)
2398 		rctl |= E1000_RCTL_MPE;
2399 	else
2400 		rctl &= (~E1000_RCTL_MPE);
2401 	E1000_WRITE_REG(hw, E1000_RCTL, rctl);
2402 }
2403 
2404 static void
2405 eth_igb_allmulticast_enable(struct rte_eth_dev *dev)
2406 {
2407 	struct e1000_hw *hw =
2408 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2409 	uint32_t rctl;
2410 
2411 	rctl = E1000_READ_REG(hw, E1000_RCTL);
2412 	rctl |= E1000_RCTL_MPE;
2413 	E1000_WRITE_REG(hw, E1000_RCTL, rctl);
2414 }
2415 
2416 static void
2417 eth_igb_allmulticast_disable(struct rte_eth_dev *dev)
2418 {
2419 	struct e1000_hw *hw =
2420 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2421 	uint32_t rctl;
2422 
2423 	if (dev->data->promiscuous == 1)
2424 		return; /* must remain in all_multicast mode */
2425 	rctl = E1000_READ_REG(hw, E1000_RCTL);
2426 	rctl &= (~E1000_RCTL_MPE);
2427 	E1000_WRITE_REG(hw, E1000_RCTL, rctl);
2428 }
2429 
2430 static int
2431 eth_igb_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
2432 {
2433 	struct e1000_hw *hw =
2434 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2435 	struct e1000_vfta * shadow_vfta =
2436 		E1000_DEV_PRIVATE_TO_VFTA(dev->data->dev_private);
2437 	uint32_t vfta;
2438 	uint32_t vid_idx;
2439 	uint32_t vid_bit;
2440 
2441 	vid_idx = (uint32_t) ((vlan_id >> E1000_VFTA_ENTRY_SHIFT) &
2442 			      E1000_VFTA_ENTRY_MASK);
2443 	vid_bit = (uint32_t) (1 << (vlan_id & E1000_VFTA_ENTRY_BIT_SHIFT_MASK));
2444 	vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, vid_idx);
2445 	if (on)
2446 		vfta |= vid_bit;
2447 	else
2448 		vfta &= ~vid_bit;
2449 	E1000_WRITE_REG_ARRAY(hw, E1000_VFTA, vid_idx, vfta);
2450 
2451 	/* update local VFTA copy */
2452 	shadow_vfta->vfta[vid_idx] = vfta;
2453 
2454 	return 0;
2455 }
2456 
2457 static int
2458 eth_igb_vlan_tpid_set(struct rte_eth_dev *dev,
2459 		      enum rte_vlan_type vlan_type,
2460 		      uint16_t tpid)
2461 {
2462 	struct e1000_hw *hw =
2463 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2464 	uint32_t reg, qinq;
2465 
2466 	qinq = E1000_READ_REG(hw, E1000_CTRL_EXT);
2467 	qinq &= E1000_CTRL_EXT_EXT_VLAN;
2468 
2469 	/* only outer TPID of double VLAN can be configured*/
2470 	if (qinq && vlan_type == ETH_VLAN_TYPE_OUTER) {
2471 		reg = E1000_READ_REG(hw, E1000_VET);
2472 		reg = (reg & (~E1000_VET_VET_EXT)) |
2473 			((uint32_t)tpid << E1000_VET_VET_EXT_SHIFT);
2474 		E1000_WRITE_REG(hw, E1000_VET, reg);
2475 
2476 		return 0;
2477 	}
2478 
2479 	/* all other TPID values are read-only*/
2480 	PMD_DRV_LOG(ERR, "Not supported");
2481 
2482 	return -ENOTSUP;
2483 }
2484 
2485 static void
2486 igb_vlan_hw_filter_disable(struct rte_eth_dev *dev)
2487 {
2488 	struct e1000_hw *hw =
2489 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2490 	uint32_t reg;
2491 
2492 	/* Filter Table Disable */
2493 	reg = E1000_READ_REG(hw, E1000_RCTL);
2494 	reg &= ~E1000_RCTL_CFIEN;
2495 	reg &= ~E1000_RCTL_VFE;
2496 	E1000_WRITE_REG(hw, E1000_RCTL, reg);
2497 }
2498 
2499 static void
2500 igb_vlan_hw_filter_enable(struct rte_eth_dev *dev)
2501 {
2502 	struct e1000_hw *hw =
2503 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2504 	struct e1000_vfta * shadow_vfta =
2505 		E1000_DEV_PRIVATE_TO_VFTA(dev->data->dev_private);
2506 	uint32_t reg;
2507 	int i;
2508 
2509 	/* Filter Table Enable, CFI not used for packet acceptance */
2510 	reg = E1000_READ_REG(hw, E1000_RCTL);
2511 	reg &= ~E1000_RCTL_CFIEN;
2512 	reg |= E1000_RCTL_VFE;
2513 	E1000_WRITE_REG(hw, E1000_RCTL, reg);
2514 
2515 	/* restore VFTA table */
2516 	for (i = 0; i < IGB_VFTA_SIZE; i++)
2517 		E1000_WRITE_REG_ARRAY(hw, E1000_VFTA, i, shadow_vfta->vfta[i]);
2518 }
2519 
2520 static void
2521 igb_vlan_hw_strip_disable(struct rte_eth_dev *dev)
2522 {
2523 	struct e1000_hw *hw =
2524 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2525 	uint32_t reg;
2526 
2527 	/* VLAN Mode Disable */
2528 	reg = E1000_READ_REG(hw, E1000_CTRL);
2529 	reg &= ~E1000_CTRL_VME;
2530 	E1000_WRITE_REG(hw, E1000_CTRL, reg);
2531 }
2532 
2533 static void
2534 igb_vlan_hw_strip_enable(struct rte_eth_dev *dev)
2535 {
2536 	struct e1000_hw *hw =
2537 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2538 	uint32_t reg;
2539 
2540 	/* VLAN Mode Enable */
2541 	reg = E1000_READ_REG(hw, E1000_CTRL);
2542 	reg |= E1000_CTRL_VME;
2543 	E1000_WRITE_REG(hw, E1000_CTRL, reg);
2544 }
2545 
2546 static void
2547 igb_vlan_hw_extend_disable(struct rte_eth_dev *dev)
2548 {
2549 	struct e1000_hw *hw =
2550 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2551 	uint32_t reg;
2552 
2553 	/* CTRL_EXT: Extended VLAN */
2554 	reg = E1000_READ_REG(hw, E1000_CTRL_EXT);
2555 	reg &= ~E1000_CTRL_EXT_EXTEND_VLAN;
2556 	E1000_WRITE_REG(hw, E1000_CTRL_EXT, reg);
2557 
2558 	/* Update maximum packet length */
2559 	if (dev->data->dev_conf.rxmode.jumbo_frame == 1)
2560 		E1000_WRITE_REG(hw, E1000_RLPML,
2561 			dev->data->dev_conf.rxmode.max_rx_pkt_len +
2562 						VLAN_TAG_SIZE);
2563 }
2564 
2565 static void
2566 igb_vlan_hw_extend_enable(struct rte_eth_dev *dev)
2567 {
2568 	struct e1000_hw *hw =
2569 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2570 	uint32_t reg;
2571 
2572 	/* CTRL_EXT: Extended VLAN */
2573 	reg = E1000_READ_REG(hw, E1000_CTRL_EXT);
2574 	reg |= E1000_CTRL_EXT_EXTEND_VLAN;
2575 	E1000_WRITE_REG(hw, E1000_CTRL_EXT, reg);
2576 
2577 	/* Update maximum packet length */
2578 	if (dev->data->dev_conf.rxmode.jumbo_frame == 1)
2579 		E1000_WRITE_REG(hw, E1000_RLPML,
2580 			dev->data->dev_conf.rxmode.max_rx_pkt_len +
2581 						2 * VLAN_TAG_SIZE);
2582 }
2583 
2584 static void
2585 eth_igb_vlan_offload_set(struct rte_eth_dev *dev, int mask)
2586 {
2587 	if(mask & ETH_VLAN_STRIP_MASK){
2588 		if (dev->data->dev_conf.rxmode.hw_vlan_strip)
2589 			igb_vlan_hw_strip_enable(dev);
2590 		else
2591 			igb_vlan_hw_strip_disable(dev);
2592 	}
2593 
2594 	if(mask & ETH_VLAN_FILTER_MASK){
2595 		if (dev->data->dev_conf.rxmode.hw_vlan_filter)
2596 			igb_vlan_hw_filter_enable(dev);
2597 		else
2598 			igb_vlan_hw_filter_disable(dev);
2599 	}
2600 
2601 	if(mask & ETH_VLAN_EXTEND_MASK){
2602 		if (dev->data->dev_conf.rxmode.hw_vlan_extend)
2603 			igb_vlan_hw_extend_enable(dev);
2604 		else
2605 			igb_vlan_hw_extend_disable(dev);
2606 	}
2607 }
2608 
2609 
2610 /**
2611  * It enables the interrupt mask and then enable the interrupt.
2612  *
2613  * @param dev
2614  *  Pointer to struct rte_eth_dev.
2615  *
2616  * @return
2617  *  - On success, zero.
2618  *  - On failure, a negative value.
2619  */
2620 static int
2621 eth_igb_lsc_interrupt_setup(struct rte_eth_dev *dev)
2622 {
2623 	struct e1000_interrupt *intr =
2624 		E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
2625 
2626 	intr->mask |= E1000_ICR_LSC;
2627 
2628 	return 0;
2629 }
2630 
2631 /* It clears the interrupt causes and enables the interrupt.
2632  * It will be called once only during nic initialized.
2633  *
2634  * @param dev
2635  *  Pointer to struct rte_eth_dev.
2636  *
2637  * @return
2638  *  - On success, zero.
2639  *  - On failure, a negative value.
2640  */
2641 static int eth_igb_rxq_interrupt_setup(struct rte_eth_dev *dev)
2642 {
2643 	uint32_t mask, regval;
2644 	struct e1000_hw *hw =
2645 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2646 	struct rte_eth_dev_info dev_info;
2647 
2648 	memset(&dev_info, 0, sizeof(dev_info));
2649 	eth_igb_infos_get(dev, &dev_info);
2650 
2651 	mask = 0xFFFFFFFF >> (32 - dev_info.max_rx_queues);
2652 	regval = E1000_READ_REG(hw, E1000_EIMS);
2653 	E1000_WRITE_REG(hw, E1000_EIMS, regval | mask);
2654 
2655 	return 0;
2656 }
2657 
2658 /*
2659  * It reads ICR and gets interrupt causes, check it and set a bit flag
2660  * to update link status.
2661  *
2662  * @param dev
2663  *  Pointer to struct rte_eth_dev.
2664  *
2665  * @return
2666  *  - On success, zero.
2667  *  - On failure, a negative value.
2668  */
2669 static int
2670 eth_igb_interrupt_get_status(struct rte_eth_dev *dev)
2671 {
2672 	uint32_t icr;
2673 	struct e1000_hw *hw =
2674 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2675 	struct e1000_interrupt *intr =
2676 		E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
2677 
2678 	igb_intr_disable(hw);
2679 
2680 	/* read-on-clear nic registers here */
2681 	icr = E1000_READ_REG(hw, E1000_ICR);
2682 
2683 	intr->flags = 0;
2684 	if (icr & E1000_ICR_LSC) {
2685 		intr->flags |= E1000_FLAG_NEED_LINK_UPDATE;
2686 	}
2687 
2688 	if (icr & E1000_ICR_VMMB)
2689 		intr->flags |= E1000_FLAG_MAILBOX;
2690 
2691 	return 0;
2692 }
2693 
2694 /*
2695  * It executes link_update after knowing an interrupt is prsent.
2696  *
2697  * @param dev
2698  *  Pointer to struct rte_eth_dev.
2699  *
2700  * @return
2701  *  - On success, zero.
2702  *  - On failure, a negative value.
2703  */
2704 static int
2705 eth_igb_interrupt_action(struct rte_eth_dev *dev,
2706 			 struct rte_intr_handle *intr_handle)
2707 {
2708 	struct e1000_hw *hw =
2709 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2710 	struct e1000_interrupt *intr =
2711 		E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
2712 	struct rte_pci_device *pci_dev = E1000_DEV_TO_PCI(dev);
2713 	uint32_t tctl, rctl;
2714 	struct rte_eth_link link;
2715 	int ret;
2716 
2717 	if (intr->flags & E1000_FLAG_MAILBOX) {
2718 		igb_pf_mbx_process(dev);
2719 		intr->flags &= ~E1000_FLAG_MAILBOX;
2720 	}
2721 
2722 	igb_intr_enable(dev);
2723 	rte_intr_enable(intr_handle);
2724 
2725 	if (intr->flags & E1000_FLAG_NEED_LINK_UPDATE) {
2726 		intr->flags &= ~E1000_FLAG_NEED_LINK_UPDATE;
2727 
2728 		/* set get_link_status to check register later */
2729 		hw->mac.get_link_status = 1;
2730 		ret = eth_igb_link_update(dev, 0);
2731 
2732 		/* check if link has changed */
2733 		if (ret < 0)
2734 			return 0;
2735 
2736 		memset(&link, 0, sizeof(link));
2737 		rte_igb_dev_atomic_read_link_status(dev, &link);
2738 		if (link.link_status) {
2739 			PMD_INIT_LOG(INFO,
2740 				     " Port %d: Link Up - speed %u Mbps - %s",
2741 				     dev->data->port_id,
2742 				     (unsigned)link.link_speed,
2743 				     link.link_duplex == ETH_LINK_FULL_DUPLEX ?
2744 				     "full-duplex" : "half-duplex");
2745 		} else {
2746 			PMD_INIT_LOG(INFO, " Port %d: Link Down",
2747 				     dev->data->port_id);
2748 		}
2749 
2750 		PMD_INIT_LOG(DEBUG, "PCI Address: %04d:%02d:%02d:%d",
2751 			     pci_dev->addr.domain,
2752 			     pci_dev->addr.bus,
2753 			     pci_dev->addr.devid,
2754 			     pci_dev->addr.function);
2755 		tctl = E1000_READ_REG(hw, E1000_TCTL);
2756 		rctl = E1000_READ_REG(hw, E1000_RCTL);
2757 		if (link.link_status) {
2758 			/* enable Tx/Rx */
2759 			tctl |= E1000_TCTL_EN;
2760 			rctl |= E1000_RCTL_EN;
2761 		} else {
2762 			/* disable Tx/Rx */
2763 			tctl &= ~E1000_TCTL_EN;
2764 			rctl &= ~E1000_RCTL_EN;
2765 		}
2766 		E1000_WRITE_REG(hw, E1000_TCTL, tctl);
2767 		E1000_WRITE_REG(hw, E1000_RCTL, rctl);
2768 		E1000_WRITE_FLUSH(hw);
2769 		_rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC, NULL);
2770 	}
2771 
2772 	return 0;
2773 }
2774 
2775 /**
2776  * Interrupt handler which shall be registered at first.
2777  *
2778  * @param handle
2779  *  Pointer to interrupt handle.
2780  * @param param
2781  *  The address of parameter (struct rte_eth_dev *) regsitered before.
2782  *
2783  * @return
2784  *  void
2785  */
2786 static void
2787 eth_igb_interrupt_handler(struct rte_intr_handle *handle, void *param)
2788 {
2789 	struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
2790 
2791 	eth_igb_interrupt_get_status(dev);
2792 	eth_igb_interrupt_action(dev, handle);
2793 }
2794 
2795 static int
2796 eth_igbvf_interrupt_get_status(struct rte_eth_dev *dev)
2797 {
2798 	uint32_t eicr;
2799 	struct e1000_hw *hw =
2800 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2801 	struct e1000_interrupt *intr =
2802 		E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
2803 
2804 	igbvf_intr_disable(hw);
2805 
2806 	/* read-on-clear nic registers here */
2807 	eicr = E1000_READ_REG(hw, E1000_EICR);
2808 	intr->flags = 0;
2809 
2810 	if (eicr == E1000_VTIVAR_MISC_MAILBOX)
2811 		intr->flags |= E1000_FLAG_MAILBOX;
2812 
2813 	return 0;
2814 }
2815 
2816 void igbvf_mbx_process(struct rte_eth_dev *dev)
2817 {
2818 	struct e1000_hw *hw =
2819 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2820 	struct e1000_mbx_info *mbx = &hw->mbx;
2821 	u32 in_msg = 0;
2822 
2823 	if (mbx->ops.read(hw, &in_msg, 1, 0))
2824 		return;
2825 
2826 	/* PF reset VF event */
2827 	if (in_msg == E1000_PF_CONTROL_MSG)
2828 		_rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_RESET, NULL);
2829 }
2830 
2831 static int
2832 eth_igbvf_interrupt_action(struct rte_eth_dev *dev, struct rte_intr_handle *intr_handle)
2833 {
2834 	struct e1000_interrupt *intr =
2835 		E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
2836 
2837 	if (intr->flags & E1000_FLAG_MAILBOX) {
2838 		igbvf_mbx_process(dev);
2839 		intr->flags &= ~E1000_FLAG_MAILBOX;
2840 	}
2841 
2842 	igbvf_intr_enable(dev);
2843 	rte_intr_enable(intr_handle);
2844 
2845 	return 0;
2846 }
2847 
2848 static void
2849 eth_igbvf_interrupt_handler(struct rte_intr_handle *handle,
2850 			    void *param)
2851 {
2852 	struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
2853 
2854 	eth_igbvf_interrupt_get_status(dev);
2855 	eth_igbvf_interrupt_action(dev, handle);
2856 }
2857 
2858 static int
2859 eth_igb_led_on(struct rte_eth_dev *dev)
2860 {
2861 	struct e1000_hw *hw;
2862 
2863 	hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2864 	return e1000_led_on(hw) == E1000_SUCCESS ? 0 : -ENOTSUP;
2865 }
2866 
2867 static int
2868 eth_igb_led_off(struct rte_eth_dev *dev)
2869 {
2870 	struct e1000_hw *hw;
2871 
2872 	hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2873 	return e1000_led_off(hw) == E1000_SUCCESS ? 0 : -ENOTSUP;
2874 }
2875 
2876 static int
2877 eth_igb_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
2878 {
2879 	struct e1000_hw *hw;
2880 	uint32_t ctrl;
2881 	int tx_pause;
2882 	int rx_pause;
2883 
2884 	hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2885 	fc_conf->pause_time = hw->fc.pause_time;
2886 	fc_conf->high_water = hw->fc.high_water;
2887 	fc_conf->low_water = hw->fc.low_water;
2888 	fc_conf->send_xon = hw->fc.send_xon;
2889 	fc_conf->autoneg = hw->mac.autoneg;
2890 
2891 	/*
2892 	 * Return rx_pause and tx_pause status according to actual setting of
2893 	 * the TFCE and RFCE bits in the CTRL register.
2894 	 */
2895 	ctrl = E1000_READ_REG(hw, E1000_CTRL);
2896 	if (ctrl & E1000_CTRL_TFCE)
2897 		tx_pause = 1;
2898 	else
2899 		tx_pause = 0;
2900 
2901 	if (ctrl & E1000_CTRL_RFCE)
2902 		rx_pause = 1;
2903 	else
2904 		rx_pause = 0;
2905 
2906 	if (rx_pause && tx_pause)
2907 		fc_conf->mode = RTE_FC_FULL;
2908 	else if (rx_pause)
2909 		fc_conf->mode = RTE_FC_RX_PAUSE;
2910 	else if (tx_pause)
2911 		fc_conf->mode = RTE_FC_TX_PAUSE;
2912 	else
2913 		fc_conf->mode = RTE_FC_NONE;
2914 
2915 	return 0;
2916 }
2917 
2918 static int
2919 eth_igb_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
2920 {
2921 	struct e1000_hw *hw;
2922 	int err;
2923 	enum e1000_fc_mode rte_fcmode_2_e1000_fcmode[] = {
2924 		e1000_fc_none,
2925 		e1000_fc_rx_pause,
2926 		e1000_fc_tx_pause,
2927 		e1000_fc_full
2928 	};
2929 	uint32_t rx_buf_size;
2930 	uint32_t max_high_water;
2931 	uint32_t rctl;
2932 
2933 	hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2934 	if (fc_conf->autoneg != hw->mac.autoneg)
2935 		return -ENOTSUP;
2936 	rx_buf_size = igb_get_rx_buffer_size(hw);
2937 	PMD_INIT_LOG(DEBUG, "Rx packet buffer size = 0x%x", rx_buf_size);
2938 
2939 	/* At least reserve one Ethernet frame for watermark */
2940 	max_high_water = rx_buf_size - ETHER_MAX_LEN;
2941 	if ((fc_conf->high_water > max_high_water) ||
2942 	    (fc_conf->high_water < fc_conf->low_water)) {
2943 		PMD_INIT_LOG(ERR, "e1000 incorrect high/low water value");
2944 		PMD_INIT_LOG(ERR, "high water must <=  0x%x", max_high_water);
2945 		return -EINVAL;
2946 	}
2947 
2948 	hw->fc.requested_mode = rte_fcmode_2_e1000_fcmode[fc_conf->mode];
2949 	hw->fc.pause_time     = fc_conf->pause_time;
2950 	hw->fc.high_water     = fc_conf->high_water;
2951 	hw->fc.low_water      = fc_conf->low_water;
2952 	hw->fc.send_xon	      = fc_conf->send_xon;
2953 
2954 	err = e1000_setup_link_generic(hw);
2955 	if (err == E1000_SUCCESS) {
2956 
2957 		/* check if we want to forward MAC frames - driver doesn't have native
2958 		 * capability to do that, so we'll write the registers ourselves */
2959 
2960 		rctl = E1000_READ_REG(hw, E1000_RCTL);
2961 
2962 		/* set or clear MFLCN.PMCF bit depending on configuration */
2963 		if (fc_conf->mac_ctrl_frame_fwd != 0)
2964 			rctl |= E1000_RCTL_PMCF;
2965 		else
2966 			rctl &= ~E1000_RCTL_PMCF;
2967 
2968 		E1000_WRITE_REG(hw, E1000_RCTL, rctl);
2969 		E1000_WRITE_FLUSH(hw);
2970 
2971 		return 0;
2972 	}
2973 
2974 	PMD_INIT_LOG(ERR, "e1000_setup_link_generic = 0x%x", err);
2975 	return -EIO;
2976 }
2977 
2978 #define E1000_RAH_POOLSEL_SHIFT      (18)
2979 static void
2980 eth_igb_rar_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr,
2981 	        uint32_t index, __rte_unused uint32_t pool)
2982 {
2983 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2984 	uint32_t rah;
2985 
2986 	e1000_rar_set(hw, mac_addr->addr_bytes, index);
2987 	rah = E1000_READ_REG(hw, E1000_RAH(index));
2988 	rah |= (0x1 << (E1000_RAH_POOLSEL_SHIFT + pool));
2989 	E1000_WRITE_REG(hw, E1000_RAH(index), rah);
2990 }
2991 
2992 static void
2993 eth_igb_rar_clear(struct rte_eth_dev *dev, uint32_t index)
2994 {
2995 	uint8_t addr[ETHER_ADDR_LEN];
2996 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2997 
2998 	memset(addr, 0, sizeof(addr));
2999 
3000 	e1000_rar_set(hw, addr, index);
3001 }
3002 
3003 static void
3004 eth_igb_default_mac_addr_set(struct rte_eth_dev *dev,
3005 				struct ether_addr *addr)
3006 {
3007 	eth_igb_rar_clear(dev, 0);
3008 
3009 	eth_igb_rar_set(dev, (void *)addr, 0, 0);
3010 }
3011 /*
3012  * Virtual Function operations
3013  */
3014 static void
3015 igbvf_intr_disable(struct e1000_hw *hw)
3016 {
3017 	PMD_INIT_FUNC_TRACE();
3018 
3019 	/* Clear interrupt mask to stop from interrupts being generated */
3020 	E1000_WRITE_REG(hw, E1000_EIMC, 0xFFFF);
3021 
3022 	E1000_WRITE_FLUSH(hw);
3023 }
3024 
3025 static void
3026 igbvf_stop_adapter(struct rte_eth_dev *dev)
3027 {
3028 	u32 reg_val;
3029 	u16 i;
3030 	struct rte_eth_dev_info dev_info;
3031 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3032 
3033 	memset(&dev_info, 0, sizeof(dev_info));
3034 	eth_igbvf_infos_get(dev, &dev_info);
3035 
3036 	/* Clear interrupt mask to stop from interrupts being generated */
3037 	igbvf_intr_disable(hw);
3038 
3039 	/* Clear any pending interrupts, flush previous writes */
3040 	E1000_READ_REG(hw, E1000_EICR);
3041 
3042 	/* Disable the transmit unit.  Each queue must be disabled. */
3043 	for (i = 0; i < dev_info.max_tx_queues; i++)
3044 		E1000_WRITE_REG(hw, E1000_TXDCTL(i), E1000_TXDCTL_SWFLSH);
3045 
3046 	/* Disable the receive unit by stopping each queue */
3047 	for (i = 0; i < dev_info.max_rx_queues; i++) {
3048 		reg_val = E1000_READ_REG(hw, E1000_RXDCTL(i));
3049 		reg_val &= ~E1000_RXDCTL_QUEUE_ENABLE;
3050 		E1000_WRITE_REG(hw, E1000_RXDCTL(i), reg_val);
3051 		while (E1000_READ_REG(hw, E1000_RXDCTL(i)) & E1000_RXDCTL_QUEUE_ENABLE)
3052 			;
3053 	}
3054 
3055 	/* flush all queues disables */
3056 	E1000_WRITE_FLUSH(hw);
3057 	msec_delay(2);
3058 }
3059 
3060 static int eth_igbvf_link_update(struct e1000_hw *hw)
3061 {
3062 	struct e1000_mbx_info *mbx = &hw->mbx;
3063 	struct e1000_mac_info *mac = &hw->mac;
3064 	int ret_val = E1000_SUCCESS;
3065 
3066 	PMD_INIT_LOG(DEBUG, "e1000_check_for_link_vf");
3067 
3068 	/*
3069 	 * We only want to run this if there has been a rst asserted.
3070 	 * in this case that could mean a link change, device reset,
3071 	 * or a virtual function reset
3072 	 */
3073 
3074 	/* If we were hit with a reset or timeout drop the link */
3075 	if (!e1000_check_for_rst(hw, 0) || !mbx->timeout)
3076 		mac->get_link_status = TRUE;
3077 
3078 	if (!mac->get_link_status)
3079 		goto out;
3080 
3081 	/* if link status is down no point in checking to see if pf is up */
3082 	if (!(E1000_READ_REG(hw, E1000_STATUS) & E1000_STATUS_LU))
3083 		goto out;
3084 
3085 	/* if we passed all the tests above then the link is up and we no
3086 	 * longer need to check for link */
3087 	mac->get_link_status = FALSE;
3088 
3089 out:
3090 	return ret_val;
3091 }
3092 
3093 
3094 static int
3095 igbvf_dev_configure(struct rte_eth_dev *dev)
3096 {
3097 	struct rte_eth_conf* conf = &dev->data->dev_conf;
3098 
3099 	PMD_INIT_LOG(DEBUG, "Configured Virtual Function port id: %d",
3100 		     dev->data->port_id);
3101 
3102 	/*
3103 	 * VF has no ability to enable/disable HW CRC
3104 	 * Keep the persistent behavior the same as Host PF
3105 	 */
3106 #ifndef RTE_LIBRTE_E1000_PF_DISABLE_STRIP_CRC
3107 	if (!conf->rxmode.hw_strip_crc) {
3108 		PMD_INIT_LOG(NOTICE, "VF can't disable HW CRC Strip");
3109 		conf->rxmode.hw_strip_crc = 1;
3110 	}
3111 #else
3112 	if (conf->rxmode.hw_strip_crc) {
3113 		PMD_INIT_LOG(NOTICE, "VF can't enable HW CRC Strip");
3114 		conf->rxmode.hw_strip_crc = 0;
3115 	}
3116 #endif
3117 
3118 	return 0;
3119 }
3120 
3121 static int
3122 igbvf_dev_start(struct rte_eth_dev *dev)
3123 {
3124 	struct e1000_hw *hw =
3125 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3126 	struct e1000_adapter *adapter =
3127 		E1000_DEV_PRIVATE(dev->data->dev_private);
3128 	struct rte_pci_device *pci_dev = E1000_DEV_TO_PCI(dev);
3129 	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
3130 	int ret;
3131 	uint32_t intr_vector = 0;
3132 
3133 	PMD_INIT_FUNC_TRACE();
3134 
3135 	hw->mac.ops.reset_hw(hw);
3136 	adapter->stopped = 0;
3137 
3138 	/* Set all vfta */
3139 	igbvf_set_vfta_all(dev,1);
3140 
3141 	eth_igbvf_tx_init(dev);
3142 
3143 	/* This can fail when allocating mbufs for descriptor rings */
3144 	ret = eth_igbvf_rx_init(dev);
3145 	if (ret) {
3146 		PMD_INIT_LOG(ERR, "Unable to initialize RX hardware");
3147 		igb_dev_clear_queues(dev);
3148 		return ret;
3149 	}
3150 
3151 	/* check and configure queue intr-vector mapping */
3152 	if (dev->data->dev_conf.intr_conf.rxq != 0) {
3153 		intr_vector = dev->data->nb_rx_queues;
3154 		ret = rte_intr_efd_enable(intr_handle, intr_vector);
3155 		if (ret)
3156 			return ret;
3157 	}
3158 
3159 	if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) {
3160 		intr_handle->intr_vec =
3161 			rte_zmalloc("intr_vec",
3162 				    dev->data->nb_rx_queues * sizeof(int), 0);
3163 		if (!intr_handle->intr_vec) {
3164 			PMD_INIT_LOG(ERR, "Failed to allocate %d rx_queues"
3165 				     " intr_vec", dev->data->nb_rx_queues);
3166 			return -ENOMEM;
3167 		}
3168 	}
3169 
3170 	eth_igbvf_configure_msix_intr(dev);
3171 
3172 	/* enable uio/vfio intr/eventfd mapping */
3173 	rte_intr_enable(intr_handle);
3174 
3175 	/* resume enabled intr since hw reset */
3176 	igbvf_intr_enable(dev);
3177 
3178 	return 0;
3179 }
3180 
3181 static void
3182 igbvf_dev_stop(struct rte_eth_dev *dev)
3183 {
3184 	struct rte_pci_device *pci_dev = E1000_DEV_TO_PCI(dev);
3185 	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
3186 
3187 	PMD_INIT_FUNC_TRACE();
3188 
3189 	igbvf_stop_adapter(dev);
3190 
3191 	/*
3192 	  * Clear what we set, but we still keep shadow_vfta to
3193 	  * restore after device starts
3194 	  */
3195 	igbvf_set_vfta_all(dev,0);
3196 
3197 	igb_dev_clear_queues(dev);
3198 
3199 	/* disable intr eventfd mapping */
3200 	rte_intr_disable(intr_handle);
3201 
3202 	/* Clean datapath event and queue/vec mapping */
3203 	rte_intr_efd_disable(intr_handle);
3204 	if (intr_handle->intr_vec) {
3205 		rte_free(intr_handle->intr_vec);
3206 		intr_handle->intr_vec = NULL;
3207 	}
3208 }
3209 
3210 static void
3211 igbvf_dev_close(struct rte_eth_dev *dev)
3212 {
3213 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3214 	struct e1000_adapter *adapter =
3215 		E1000_DEV_PRIVATE(dev->data->dev_private);
3216 	struct ether_addr addr;
3217 
3218 	PMD_INIT_FUNC_TRACE();
3219 
3220 	e1000_reset_hw(hw);
3221 
3222 	igbvf_dev_stop(dev);
3223 	adapter->stopped = 1;
3224 	igb_dev_free_queues(dev);
3225 
3226 	/**
3227 	 * reprogram the RAR with a zero mac address,
3228 	 * to ensure that the VF traffic goes to the PF
3229 	 * after stop, close and detach of the VF.
3230 	 **/
3231 
3232 	memset(&addr, 0, sizeof(addr));
3233 	igbvf_default_mac_addr_set(dev, &addr);
3234 }
3235 
3236 static void
3237 igbvf_promiscuous_enable(struct rte_eth_dev *dev)
3238 {
3239 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3240 
3241 	/* Set both unicast and multicast promisc */
3242 	e1000_promisc_set_vf(hw, e1000_promisc_enabled);
3243 }
3244 
3245 static void
3246 igbvf_promiscuous_disable(struct rte_eth_dev *dev)
3247 {
3248 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3249 
3250 	/* If in allmulticast mode leave multicast promisc */
3251 	if (dev->data->all_multicast == 1)
3252 		e1000_promisc_set_vf(hw, e1000_promisc_multicast);
3253 	else
3254 		e1000_promisc_set_vf(hw, e1000_promisc_disabled);
3255 }
3256 
3257 static void
3258 igbvf_allmulticast_enable(struct rte_eth_dev *dev)
3259 {
3260 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3261 
3262 	/* In promiscuous mode multicast promisc already set */
3263 	if (dev->data->promiscuous == 0)
3264 		e1000_promisc_set_vf(hw, e1000_promisc_multicast);
3265 }
3266 
3267 static void
3268 igbvf_allmulticast_disable(struct rte_eth_dev *dev)
3269 {
3270 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3271 
3272 	/* In promiscuous mode leave multicast promisc enabled */
3273 	if (dev->data->promiscuous == 0)
3274 		e1000_promisc_set_vf(hw, e1000_promisc_disabled);
3275 }
3276 
3277 static int igbvf_set_vfta(struct e1000_hw *hw, uint16_t vid, bool on)
3278 {
3279 	struct e1000_mbx_info *mbx = &hw->mbx;
3280 	uint32_t msgbuf[2];
3281 	s32 err;
3282 
3283 	/* After set vlan, vlan strip will also be enabled in igb driver*/
3284 	msgbuf[0] = E1000_VF_SET_VLAN;
3285 	msgbuf[1] = vid;
3286 	/* Setting the 8 bit field MSG INFO to TRUE indicates "add" */
3287 	if (on)
3288 		msgbuf[0] |= E1000_VF_SET_VLAN_ADD;
3289 
3290 	err = mbx->ops.write_posted(hw, msgbuf, 2, 0);
3291 	if (err)
3292 		goto mbx_err;
3293 
3294 	err = mbx->ops.read_posted(hw, msgbuf, 2, 0);
3295 	if (err)
3296 		goto mbx_err;
3297 
3298 	msgbuf[0] &= ~E1000_VT_MSGTYPE_CTS;
3299 	if (msgbuf[0] == (E1000_VF_SET_VLAN | E1000_VT_MSGTYPE_NACK))
3300 		err = -EINVAL;
3301 
3302 mbx_err:
3303 	return err;
3304 }
3305 
3306 static void igbvf_set_vfta_all(struct rte_eth_dev *dev, bool on)
3307 {
3308 	struct e1000_hw *hw =
3309 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3310 	struct e1000_vfta * shadow_vfta =
3311 		E1000_DEV_PRIVATE_TO_VFTA(dev->data->dev_private);
3312 	int i = 0, j = 0, vfta = 0, mask = 1;
3313 
3314 	for (i = 0; i < IGB_VFTA_SIZE; i++){
3315 		vfta = shadow_vfta->vfta[i];
3316 		if(vfta){
3317 			mask = 1;
3318 			for (j = 0; j < 32; j++){
3319 				if(vfta & mask)
3320 					igbvf_set_vfta(hw,
3321 						(uint16_t)((i<<5)+j), on);
3322 				mask<<=1;
3323 			}
3324 		}
3325 	}
3326 
3327 }
3328 
3329 static int
3330 igbvf_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
3331 {
3332 	struct e1000_hw *hw =
3333 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3334 	struct e1000_vfta * shadow_vfta =
3335 		E1000_DEV_PRIVATE_TO_VFTA(dev->data->dev_private);
3336 	uint32_t vid_idx = 0;
3337 	uint32_t vid_bit = 0;
3338 	int ret = 0;
3339 
3340 	PMD_INIT_FUNC_TRACE();
3341 
3342 	/*vind is not used in VF driver, set to 0, check ixgbe_set_vfta_vf*/
3343 	ret = igbvf_set_vfta(hw, vlan_id, !!on);
3344 	if(ret){
3345 		PMD_INIT_LOG(ERR, "Unable to set VF vlan");
3346 		return ret;
3347 	}
3348 	vid_idx = (uint32_t) ((vlan_id >> 5) & 0x7F);
3349 	vid_bit = (uint32_t) (1 << (vlan_id & 0x1F));
3350 
3351 	/*Save what we set and retore it after device reset*/
3352 	if (on)
3353 		shadow_vfta->vfta[vid_idx] |= vid_bit;
3354 	else
3355 		shadow_vfta->vfta[vid_idx] &= ~vid_bit;
3356 
3357 	return 0;
3358 }
3359 
3360 static void
3361 igbvf_default_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *addr)
3362 {
3363 	struct e1000_hw *hw =
3364 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3365 
3366 	/* index is not used by rar_set() */
3367 	hw->mac.ops.rar_set(hw, (void *)addr, 0);
3368 }
3369 
3370 
3371 static int
3372 eth_igb_rss_reta_update(struct rte_eth_dev *dev,
3373 			struct rte_eth_rss_reta_entry64 *reta_conf,
3374 			uint16_t reta_size)
3375 {
3376 	uint8_t i, j, mask;
3377 	uint32_t reta, r;
3378 	uint16_t idx, shift;
3379 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3380 
3381 	if (reta_size != ETH_RSS_RETA_SIZE_128) {
3382 		PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
3383 			"(%d) doesn't match the number hardware can supported "
3384 			"(%d)", reta_size, ETH_RSS_RETA_SIZE_128);
3385 		return -EINVAL;
3386 	}
3387 
3388 	for (i = 0; i < reta_size; i += IGB_4_BIT_WIDTH) {
3389 		idx = i / RTE_RETA_GROUP_SIZE;
3390 		shift = i % RTE_RETA_GROUP_SIZE;
3391 		mask = (uint8_t)((reta_conf[idx].mask >> shift) &
3392 						IGB_4_BIT_MASK);
3393 		if (!mask)
3394 			continue;
3395 		if (mask == IGB_4_BIT_MASK)
3396 			r = 0;
3397 		else
3398 			r = E1000_READ_REG(hw, E1000_RETA(i >> 2));
3399 		for (j = 0, reta = 0; j < IGB_4_BIT_WIDTH; j++) {
3400 			if (mask & (0x1 << j))
3401 				reta |= reta_conf[idx].reta[shift + j] <<
3402 							(CHAR_BIT * j);
3403 			else
3404 				reta |= r & (IGB_8_BIT_MASK << (CHAR_BIT * j));
3405 		}
3406 		E1000_WRITE_REG(hw, E1000_RETA(i >> 2), reta);
3407 	}
3408 
3409 	return 0;
3410 }
3411 
3412 static int
3413 eth_igb_rss_reta_query(struct rte_eth_dev *dev,
3414 		       struct rte_eth_rss_reta_entry64 *reta_conf,
3415 		       uint16_t reta_size)
3416 {
3417 	uint8_t i, j, mask;
3418 	uint32_t reta;
3419 	uint16_t idx, shift;
3420 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3421 
3422 	if (reta_size != ETH_RSS_RETA_SIZE_128) {
3423 		PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
3424 			"(%d) doesn't match the number hardware can supported "
3425 			"(%d)", reta_size, ETH_RSS_RETA_SIZE_128);
3426 		return -EINVAL;
3427 	}
3428 
3429 	for (i = 0; i < reta_size; i += IGB_4_BIT_WIDTH) {
3430 		idx = i / RTE_RETA_GROUP_SIZE;
3431 		shift = i % RTE_RETA_GROUP_SIZE;
3432 		mask = (uint8_t)((reta_conf[idx].mask >> shift) &
3433 						IGB_4_BIT_MASK);
3434 		if (!mask)
3435 			continue;
3436 		reta = E1000_READ_REG(hw, E1000_RETA(i >> 2));
3437 		for (j = 0; j < IGB_4_BIT_WIDTH; j++) {
3438 			if (mask & (0x1 << j))
3439 				reta_conf[idx].reta[shift + j] =
3440 					((reta >> (CHAR_BIT * j)) &
3441 						IGB_8_BIT_MASK);
3442 		}
3443 	}
3444 
3445 	return 0;
3446 }
3447 
3448 #define MAC_TYPE_FILTER_SUP(type)    do {\
3449 	if ((type) != e1000_82580 && (type) != e1000_i350 &&\
3450 		(type) != e1000_82576)\
3451 		return -ENOTSUP;\
3452 } while (0)
3453 
3454 static int
3455 eth_igb_syn_filter_set(struct rte_eth_dev *dev,
3456 			struct rte_eth_syn_filter *filter,
3457 			bool add)
3458 {
3459 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3460 	uint32_t synqf, rfctl;
3461 
3462 	if (filter->queue >= IGB_MAX_RX_QUEUE_NUM)
3463 		return -EINVAL;
3464 
3465 	synqf = E1000_READ_REG(hw, E1000_SYNQF(0));
3466 
3467 	if (add) {
3468 		if (synqf & E1000_SYN_FILTER_ENABLE)
3469 			return -EINVAL;
3470 
3471 		synqf = (uint32_t)(((filter->queue << E1000_SYN_FILTER_QUEUE_SHIFT) &
3472 			E1000_SYN_FILTER_QUEUE) | E1000_SYN_FILTER_ENABLE);
3473 
3474 		rfctl = E1000_READ_REG(hw, E1000_RFCTL);
3475 		if (filter->hig_pri)
3476 			rfctl |= E1000_RFCTL_SYNQFP;
3477 		else
3478 			rfctl &= ~E1000_RFCTL_SYNQFP;
3479 
3480 		E1000_WRITE_REG(hw, E1000_RFCTL, rfctl);
3481 	} else {
3482 		if (!(synqf & E1000_SYN_FILTER_ENABLE))
3483 			return -ENOENT;
3484 		synqf = 0;
3485 	}
3486 
3487 	E1000_WRITE_REG(hw, E1000_SYNQF(0), synqf);
3488 	E1000_WRITE_FLUSH(hw);
3489 	return 0;
3490 }
3491 
3492 static int
3493 eth_igb_syn_filter_get(struct rte_eth_dev *dev,
3494 			struct rte_eth_syn_filter *filter)
3495 {
3496 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3497 	uint32_t synqf, rfctl;
3498 
3499 	synqf = E1000_READ_REG(hw, E1000_SYNQF(0));
3500 	if (synqf & E1000_SYN_FILTER_ENABLE) {
3501 		rfctl = E1000_READ_REG(hw, E1000_RFCTL);
3502 		filter->hig_pri = (rfctl & E1000_RFCTL_SYNQFP) ? 1 : 0;
3503 		filter->queue = (uint8_t)((synqf & E1000_SYN_FILTER_QUEUE) >>
3504 				E1000_SYN_FILTER_QUEUE_SHIFT);
3505 		return 0;
3506 	}
3507 
3508 	return -ENOENT;
3509 }
3510 
3511 static int
3512 eth_igb_syn_filter_handle(struct rte_eth_dev *dev,
3513 			enum rte_filter_op filter_op,
3514 			void *arg)
3515 {
3516 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3517 	int ret;
3518 
3519 	MAC_TYPE_FILTER_SUP(hw->mac.type);
3520 
3521 	if (filter_op == RTE_ETH_FILTER_NOP)
3522 		return 0;
3523 
3524 	if (arg == NULL) {
3525 		PMD_DRV_LOG(ERR, "arg shouldn't be NULL for operation %u",
3526 			    filter_op);
3527 		return -EINVAL;
3528 	}
3529 
3530 	switch (filter_op) {
3531 	case RTE_ETH_FILTER_ADD:
3532 		ret = eth_igb_syn_filter_set(dev,
3533 				(struct rte_eth_syn_filter *)arg,
3534 				TRUE);
3535 		break;
3536 	case RTE_ETH_FILTER_DELETE:
3537 		ret = eth_igb_syn_filter_set(dev,
3538 				(struct rte_eth_syn_filter *)arg,
3539 				FALSE);
3540 		break;
3541 	case RTE_ETH_FILTER_GET:
3542 		ret = eth_igb_syn_filter_get(dev,
3543 				(struct rte_eth_syn_filter *)arg);
3544 		break;
3545 	default:
3546 		PMD_DRV_LOG(ERR, "unsupported operation %u", filter_op);
3547 		ret = -EINVAL;
3548 		break;
3549 	}
3550 
3551 	return ret;
3552 }
3553 
3554 #define MAC_TYPE_FILTER_SUP_EXT(type)    do {\
3555 	if ((type) != e1000_82580 && (type) != e1000_i350)\
3556 		return -ENOSYS; \
3557 } while (0)
3558 
3559 /* translate elements in struct rte_eth_ntuple_filter to struct e1000_2tuple_filter_info*/
3560 static inline int
3561 ntuple_filter_to_2tuple(struct rte_eth_ntuple_filter *filter,
3562 			struct e1000_2tuple_filter_info *filter_info)
3563 {
3564 	if (filter->queue >= IGB_MAX_RX_QUEUE_NUM)
3565 		return -EINVAL;
3566 	if (filter->priority > E1000_2TUPLE_MAX_PRI)
3567 		return -EINVAL;  /* filter index is out of range. */
3568 	if (filter->tcp_flags > TCP_FLAG_ALL)
3569 		return -EINVAL;  /* flags is invalid. */
3570 
3571 	switch (filter->dst_port_mask) {
3572 	case UINT16_MAX:
3573 		filter_info->dst_port_mask = 0;
3574 		filter_info->dst_port = filter->dst_port;
3575 		break;
3576 	case 0:
3577 		filter_info->dst_port_mask = 1;
3578 		break;
3579 	default:
3580 		PMD_DRV_LOG(ERR, "invalid dst_port mask.");
3581 		return -EINVAL;
3582 	}
3583 
3584 	switch (filter->proto_mask) {
3585 	case UINT8_MAX:
3586 		filter_info->proto_mask = 0;
3587 		filter_info->proto = filter->proto;
3588 		break;
3589 	case 0:
3590 		filter_info->proto_mask = 1;
3591 		break;
3592 	default:
3593 		PMD_DRV_LOG(ERR, "invalid protocol mask.");
3594 		return -EINVAL;
3595 	}
3596 
3597 	filter_info->priority = (uint8_t)filter->priority;
3598 	if (filter->flags & RTE_NTUPLE_FLAGS_TCP_FLAG)
3599 		filter_info->tcp_flags = filter->tcp_flags;
3600 	else
3601 		filter_info->tcp_flags = 0;
3602 
3603 	return 0;
3604 }
3605 
3606 static inline struct e1000_2tuple_filter *
3607 igb_2tuple_filter_lookup(struct e1000_2tuple_filter_list *filter_list,
3608 			struct e1000_2tuple_filter_info *key)
3609 {
3610 	struct e1000_2tuple_filter *it;
3611 
3612 	TAILQ_FOREACH(it, filter_list, entries) {
3613 		if (memcmp(key, &it->filter_info,
3614 			sizeof(struct e1000_2tuple_filter_info)) == 0) {
3615 			return it;
3616 		}
3617 	}
3618 	return NULL;
3619 }
3620 
3621 /*
3622  * igb_add_2tuple_filter - add a 2tuple filter
3623  *
3624  * @param
3625  * dev: Pointer to struct rte_eth_dev.
3626  * ntuple_filter: ponter to the filter that will be added.
3627  *
3628  * @return
3629  *    - On success, zero.
3630  *    - On failure, a negative value.
3631  */
3632 static int
3633 igb_add_2tuple_filter(struct rte_eth_dev *dev,
3634 			struct rte_eth_ntuple_filter *ntuple_filter)
3635 {
3636 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3637 	struct e1000_filter_info *filter_info =
3638 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
3639 	struct e1000_2tuple_filter *filter;
3640 	uint32_t ttqf = E1000_TTQF_DISABLE_MASK;
3641 	uint32_t imir, imir_ext = E1000_IMIREXT_SIZE_BP;
3642 	int i, ret;
3643 
3644 	filter = rte_zmalloc("e1000_2tuple_filter",
3645 			sizeof(struct e1000_2tuple_filter), 0);
3646 	if (filter == NULL)
3647 		return -ENOMEM;
3648 
3649 	ret = ntuple_filter_to_2tuple(ntuple_filter,
3650 				      &filter->filter_info);
3651 	if (ret < 0) {
3652 		rte_free(filter);
3653 		return ret;
3654 	}
3655 	if (igb_2tuple_filter_lookup(&filter_info->twotuple_list,
3656 					 &filter->filter_info) != NULL) {
3657 		PMD_DRV_LOG(ERR, "filter exists.");
3658 		rte_free(filter);
3659 		return -EEXIST;
3660 	}
3661 	filter->queue = ntuple_filter->queue;
3662 
3663 	/*
3664 	 * look for an unused 2tuple filter index,
3665 	 * and insert the filter to list.
3666 	 */
3667 	for (i = 0; i < E1000_MAX_TTQF_FILTERS; i++) {
3668 		if (!(filter_info->twotuple_mask & (1 << i))) {
3669 			filter_info->twotuple_mask |= 1 << i;
3670 			filter->index = i;
3671 			TAILQ_INSERT_TAIL(&filter_info->twotuple_list,
3672 					  filter,
3673 					  entries);
3674 			break;
3675 		}
3676 	}
3677 	if (i >= E1000_MAX_TTQF_FILTERS) {
3678 		PMD_DRV_LOG(ERR, "2tuple filters are full.");
3679 		rte_free(filter);
3680 		return -ENOSYS;
3681 	}
3682 
3683 	imir = (uint32_t)(filter->filter_info.dst_port & E1000_IMIR_DSTPORT);
3684 	if (filter->filter_info.dst_port_mask == 1) /* 1b means not compare. */
3685 		imir |= E1000_IMIR_PORT_BP;
3686 	else
3687 		imir &= ~E1000_IMIR_PORT_BP;
3688 
3689 	imir |= filter->filter_info.priority << E1000_IMIR_PRIORITY_SHIFT;
3690 
3691 	ttqf |= E1000_TTQF_QUEUE_ENABLE;
3692 	ttqf |= (uint32_t)(filter->queue << E1000_TTQF_QUEUE_SHIFT);
3693 	ttqf |= (uint32_t)(filter->filter_info.proto & E1000_TTQF_PROTOCOL_MASK);
3694 	if (filter->filter_info.proto_mask == 0)
3695 		ttqf &= ~E1000_TTQF_MASK_ENABLE;
3696 
3697 	/* tcp flags bits setting. */
3698 	if (filter->filter_info.tcp_flags & TCP_FLAG_ALL) {
3699 		if (filter->filter_info.tcp_flags & TCP_URG_FLAG)
3700 			imir_ext |= E1000_IMIREXT_CTRL_URG;
3701 		if (filter->filter_info.tcp_flags & TCP_ACK_FLAG)
3702 			imir_ext |= E1000_IMIREXT_CTRL_ACK;
3703 		if (filter->filter_info.tcp_flags & TCP_PSH_FLAG)
3704 			imir_ext |= E1000_IMIREXT_CTRL_PSH;
3705 		if (filter->filter_info.tcp_flags & TCP_RST_FLAG)
3706 			imir_ext |= E1000_IMIREXT_CTRL_RST;
3707 		if (filter->filter_info.tcp_flags & TCP_SYN_FLAG)
3708 			imir_ext |= E1000_IMIREXT_CTRL_SYN;
3709 		if (filter->filter_info.tcp_flags & TCP_FIN_FLAG)
3710 			imir_ext |= E1000_IMIREXT_CTRL_FIN;
3711 	} else
3712 		imir_ext |= E1000_IMIREXT_CTRL_BP;
3713 	E1000_WRITE_REG(hw, E1000_IMIR(i), imir);
3714 	E1000_WRITE_REG(hw, E1000_TTQF(i), ttqf);
3715 	E1000_WRITE_REG(hw, E1000_IMIREXT(i), imir_ext);
3716 	return 0;
3717 }
3718 
3719 /*
3720  * igb_remove_2tuple_filter - remove a 2tuple filter
3721  *
3722  * @param
3723  * dev: Pointer to struct rte_eth_dev.
3724  * ntuple_filter: ponter to the filter that will be removed.
3725  *
3726  * @return
3727  *    - On success, zero.
3728  *    - On failure, a negative value.
3729  */
3730 static int
3731 igb_remove_2tuple_filter(struct rte_eth_dev *dev,
3732 			struct rte_eth_ntuple_filter *ntuple_filter)
3733 {
3734 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3735 	struct e1000_filter_info *filter_info =
3736 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
3737 	struct e1000_2tuple_filter_info filter_2tuple;
3738 	struct e1000_2tuple_filter *filter;
3739 	int ret;
3740 
3741 	memset(&filter_2tuple, 0, sizeof(struct e1000_2tuple_filter_info));
3742 	ret = ntuple_filter_to_2tuple(ntuple_filter,
3743 				      &filter_2tuple);
3744 	if (ret < 0)
3745 		return ret;
3746 
3747 	filter = igb_2tuple_filter_lookup(&filter_info->twotuple_list,
3748 					 &filter_2tuple);
3749 	if (filter == NULL) {
3750 		PMD_DRV_LOG(ERR, "filter doesn't exist.");
3751 		return -ENOENT;
3752 	}
3753 
3754 	filter_info->twotuple_mask &= ~(1 << filter->index);
3755 	TAILQ_REMOVE(&filter_info->twotuple_list, filter, entries);
3756 	rte_free(filter);
3757 
3758 	E1000_WRITE_REG(hw, E1000_TTQF(filter->index), E1000_TTQF_DISABLE_MASK);
3759 	E1000_WRITE_REG(hw, E1000_IMIR(filter->index), 0);
3760 	E1000_WRITE_REG(hw, E1000_IMIREXT(filter->index), 0);
3761 	return 0;
3762 }
3763 
3764 static inline struct e1000_flex_filter *
3765 eth_igb_flex_filter_lookup(struct e1000_flex_filter_list *filter_list,
3766 			struct e1000_flex_filter_info *key)
3767 {
3768 	struct e1000_flex_filter *it;
3769 
3770 	TAILQ_FOREACH(it, filter_list, entries) {
3771 		if (memcmp(key, &it->filter_info,
3772 			sizeof(struct e1000_flex_filter_info)) == 0)
3773 			return it;
3774 	}
3775 
3776 	return NULL;
3777 }
3778 
3779 static int
3780 eth_igb_add_del_flex_filter(struct rte_eth_dev *dev,
3781 			struct rte_eth_flex_filter *filter,
3782 			bool add)
3783 {
3784 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3785 	struct e1000_filter_info *filter_info =
3786 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
3787 	struct e1000_flex_filter *flex_filter, *it;
3788 	uint32_t wufc, queueing, mask;
3789 	uint32_t reg_off;
3790 	uint8_t shift, i, j = 0;
3791 
3792 	flex_filter = rte_zmalloc("e1000_flex_filter",
3793 			sizeof(struct e1000_flex_filter), 0);
3794 	if (flex_filter == NULL)
3795 		return -ENOMEM;
3796 
3797 	flex_filter->filter_info.len = filter->len;
3798 	flex_filter->filter_info.priority = filter->priority;
3799 	memcpy(flex_filter->filter_info.dwords, filter->bytes, filter->len);
3800 	for (i = 0; i < RTE_ALIGN(filter->len, CHAR_BIT) / CHAR_BIT; i++) {
3801 		mask = 0;
3802 		/* reverse bits in flex filter's mask*/
3803 		for (shift = 0; shift < CHAR_BIT; shift++) {
3804 			if (filter->mask[i] & (0x01 << shift))
3805 				mask |= (0x80 >> shift);
3806 		}
3807 		flex_filter->filter_info.mask[i] = mask;
3808 	}
3809 
3810 	wufc = E1000_READ_REG(hw, E1000_WUFC);
3811 	if (flex_filter->index < E1000_MAX_FHFT)
3812 		reg_off = E1000_FHFT(flex_filter->index);
3813 	else
3814 		reg_off = E1000_FHFT_EXT(flex_filter->index - E1000_MAX_FHFT);
3815 
3816 	if (add) {
3817 		if (eth_igb_flex_filter_lookup(&filter_info->flex_list,
3818 				&flex_filter->filter_info) != NULL) {
3819 			PMD_DRV_LOG(ERR, "filter exists.");
3820 			rte_free(flex_filter);
3821 			return -EEXIST;
3822 		}
3823 		flex_filter->queue = filter->queue;
3824 		/*
3825 		 * look for an unused flex filter index
3826 		 * and insert the filter into the list.
3827 		 */
3828 		for (i = 0; i < E1000_MAX_FLEX_FILTERS; i++) {
3829 			if (!(filter_info->flex_mask & (1 << i))) {
3830 				filter_info->flex_mask |= 1 << i;
3831 				flex_filter->index = i;
3832 				TAILQ_INSERT_TAIL(&filter_info->flex_list,
3833 					flex_filter,
3834 					entries);
3835 				break;
3836 			}
3837 		}
3838 		if (i >= E1000_MAX_FLEX_FILTERS) {
3839 			PMD_DRV_LOG(ERR, "flex filters are full.");
3840 			rte_free(flex_filter);
3841 			return -ENOSYS;
3842 		}
3843 
3844 		E1000_WRITE_REG(hw, E1000_WUFC, wufc | E1000_WUFC_FLEX_HQ |
3845 				(E1000_WUFC_FLX0 << flex_filter->index));
3846 		queueing = filter->len |
3847 			(filter->queue << E1000_FHFT_QUEUEING_QUEUE_SHIFT) |
3848 			(filter->priority << E1000_FHFT_QUEUEING_PRIO_SHIFT);
3849 		E1000_WRITE_REG(hw, reg_off + E1000_FHFT_QUEUEING_OFFSET,
3850 				queueing);
3851 		for (i = 0; i < E1000_FLEX_FILTERS_MASK_SIZE; i++) {
3852 			E1000_WRITE_REG(hw, reg_off,
3853 					flex_filter->filter_info.dwords[j]);
3854 			reg_off += sizeof(uint32_t);
3855 			E1000_WRITE_REG(hw, reg_off,
3856 					flex_filter->filter_info.dwords[++j]);
3857 			reg_off += sizeof(uint32_t);
3858 			E1000_WRITE_REG(hw, reg_off,
3859 				(uint32_t)flex_filter->filter_info.mask[i]);
3860 			reg_off += sizeof(uint32_t) * 2;
3861 			++j;
3862 		}
3863 	} else {
3864 		it = eth_igb_flex_filter_lookup(&filter_info->flex_list,
3865 				&flex_filter->filter_info);
3866 		if (it == NULL) {
3867 			PMD_DRV_LOG(ERR, "filter doesn't exist.");
3868 			rte_free(flex_filter);
3869 			return -ENOENT;
3870 		}
3871 
3872 		for (i = 0; i < E1000_FHFT_SIZE_IN_DWD; i++)
3873 			E1000_WRITE_REG(hw, reg_off + i * sizeof(uint32_t), 0);
3874 		E1000_WRITE_REG(hw, E1000_WUFC, wufc &
3875 			(~(E1000_WUFC_FLX0 << it->index)));
3876 
3877 		filter_info->flex_mask &= ~(1 << it->index);
3878 		TAILQ_REMOVE(&filter_info->flex_list, it, entries);
3879 		rte_free(it);
3880 		rte_free(flex_filter);
3881 	}
3882 
3883 	return 0;
3884 }
3885 
3886 static int
3887 eth_igb_get_flex_filter(struct rte_eth_dev *dev,
3888 			struct rte_eth_flex_filter *filter)
3889 {
3890 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3891 	struct e1000_filter_info *filter_info =
3892 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
3893 	struct e1000_flex_filter flex_filter, *it;
3894 	uint32_t wufc, queueing, wufc_en = 0;
3895 
3896 	memset(&flex_filter, 0, sizeof(struct e1000_flex_filter));
3897 	flex_filter.filter_info.len = filter->len;
3898 	flex_filter.filter_info.priority = filter->priority;
3899 	memcpy(flex_filter.filter_info.dwords, filter->bytes, filter->len);
3900 	memcpy(flex_filter.filter_info.mask, filter->mask,
3901 			RTE_ALIGN(filter->len, sizeof(char)) / sizeof(char));
3902 
3903 	it = eth_igb_flex_filter_lookup(&filter_info->flex_list,
3904 				&flex_filter.filter_info);
3905 	if (it == NULL) {
3906 		PMD_DRV_LOG(ERR, "filter doesn't exist.");
3907 		return -ENOENT;
3908 	}
3909 
3910 	wufc = E1000_READ_REG(hw, E1000_WUFC);
3911 	wufc_en = E1000_WUFC_FLEX_HQ | (E1000_WUFC_FLX0 << it->index);
3912 
3913 	if ((wufc & wufc_en) == wufc_en) {
3914 		uint32_t reg_off = 0;
3915 		if (it->index < E1000_MAX_FHFT)
3916 			reg_off = E1000_FHFT(it->index);
3917 		else
3918 			reg_off = E1000_FHFT_EXT(it->index - E1000_MAX_FHFT);
3919 
3920 		queueing = E1000_READ_REG(hw,
3921 				reg_off + E1000_FHFT_QUEUEING_OFFSET);
3922 		filter->len = queueing & E1000_FHFT_QUEUEING_LEN;
3923 		filter->priority = (queueing & E1000_FHFT_QUEUEING_PRIO) >>
3924 			E1000_FHFT_QUEUEING_PRIO_SHIFT;
3925 		filter->queue = (queueing & E1000_FHFT_QUEUEING_QUEUE) >>
3926 			E1000_FHFT_QUEUEING_QUEUE_SHIFT;
3927 		return 0;
3928 	}
3929 	return -ENOENT;
3930 }
3931 
3932 static int
3933 eth_igb_flex_filter_handle(struct rte_eth_dev *dev,
3934 			enum rte_filter_op filter_op,
3935 			void *arg)
3936 {
3937 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3938 	struct rte_eth_flex_filter *filter;
3939 	int ret = 0;
3940 
3941 	MAC_TYPE_FILTER_SUP_EXT(hw->mac.type);
3942 
3943 	if (filter_op == RTE_ETH_FILTER_NOP)
3944 		return ret;
3945 
3946 	if (arg == NULL) {
3947 		PMD_DRV_LOG(ERR, "arg shouldn't be NULL for operation %u",
3948 			    filter_op);
3949 		return -EINVAL;
3950 	}
3951 
3952 	filter = (struct rte_eth_flex_filter *)arg;
3953 	if (filter->len == 0 || filter->len > E1000_MAX_FLEX_FILTER_LEN
3954 	    || filter->len % sizeof(uint64_t) != 0) {
3955 		PMD_DRV_LOG(ERR, "filter's length is out of range");
3956 		return -EINVAL;
3957 	}
3958 	if (filter->priority > E1000_MAX_FLEX_FILTER_PRI) {
3959 		PMD_DRV_LOG(ERR, "filter's priority is out of range");
3960 		return -EINVAL;
3961 	}
3962 
3963 	switch (filter_op) {
3964 	case RTE_ETH_FILTER_ADD:
3965 		ret = eth_igb_add_del_flex_filter(dev, filter, TRUE);
3966 		break;
3967 	case RTE_ETH_FILTER_DELETE:
3968 		ret = eth_igb_add_del_flex_filter(dev, filter, FALSE);
3969 		break;
3970 	case RTE_ETH_FILTER_GET:
3971 		ret = eth_igb_get_flex_filter(dev, filter);
3972 		break;
3973 	default:
3974 		PMD_DRV_LOG(ERR, "unsupported operation %u", filter_op);
3975 		ret = -EINVAL;
3976 		break;
3977 	}
3978 
3979 	return ret;
3980 }
3981 
3982 /* translate elements in struct rte_eth_ntuple_filter to struct e1000_5tuple_filter_info*/
3983 static inline int
3984 ntuple_filter_to_5tuple_82576(struct rte_eth_ntuple_filter *filter,
3985 			struct e1000_5tuple_filter_info *filter_info)
3986 {
3987 	if (filter->queue >= IGB_MAX_RX_QUEUE_NUM_82576)
3988 		return -EINVAL;
3989 	if (filter->priority > E1000_2TUPLE_MAX_PRI)
3990 		return -EINVAL;  /* filter index is out of range. */
3991 	if (filter->tcp_flags > TCP_FLAG_ALL)
3992 		return -EINVAL;  /* flags is invalid. */
3993 
3994 	switch (filter->dst_ip_mask) {
3995 	case UINT32_MAX:
3996 		filter_info->dst_ip_mask = 0;
3997 		filter_info->dst_ip = filter->dst_ip;
3998 		break;
3999 	case 0:
4000 		filter_info->dst_ip_mask = 1;
4001 		break;
4002 	default:
4003 		PMD_DRV_LOG(ERR, "invalid dst_ip mask.");
4004 		return -EINVAL;
4005 	}
4006 
4007 	switch (filter->src_ip_mask) {
4008 	case UINT32_MAX:
4009 		filter_info->src_ip_mask = 0;
4010 		filter_info->src_ip = filter->src_ip;
4011 		break;
4012 	case 0:
4013 		filter_info->src_ip_mask = 1;
4014 		break;
4015 	default:
4016 		PMD_DRV_LOG(ERR, "invalid src_ip mask.");
4017 		return -EINVAL;
4018 	}
4019 
4020 	switch (filter->dst_port_mask) {
4021 	case UINT16_MAX:
4022 		filter_info->dst_port_mask = 0;
4023 		filter_info->dst_port = filter->dst_port;
4024 		break;
4025 	case 0:
4026 		filter_info->dst_port_mask = 1;
4027 		break;
4028 	default:
4029 		PMD_DRV_LOG(ERR, "invalid dst_port mask.");
4030 		return -EINVAL;
4031 	}
4032 
4033 	switch (filter->src_port_mask) {
4034 	case UINT16_MAX:
4035 		filter_info->src_port_mask = 0;
4036 		filter_info->src_port = filter->src_port;
4037 		break;
4038 	case 0:
4039 		filter_info->src_port_mask = 1;
4040 		break;
4041 	default:
4042 		PMD_DRV_LOG(ERR, "invalid src_port mask.");
4043 		return -EINVAL;
4044 	}
4045 
4046 	switch (filter->proto_mask) {
4047 	case UINT8_MAX:
4048 		filter_info->proto_mask = 0;
4049 		filter_info->proto = filter->proto;
4050 		break;
4051 	case 0:
4052 		filter_info->proto_mask = 1;
4053 		break;
4054 	default:
4055 		PMD_DRV_LOG(ERR, "invalid protocol mask.");
4056 		return -EINVAL;
4057 	}
4058 
4059 	filter_info->priority = (uint8_t)filter->priority;
4060 	if (filter->flags & RTE_NTUPLE_FLAGS_TCP_FLAG)
4061 		filter_info->tcp_flags = filter->tcp_flags;
4062 	else
4063 		filter_info->tcp_flags = 0;
4064 
4065 	return 0;
4066 }
4067 
4068 static inline struct e1000_5tuple_filter *
4069 igb_5tuple_filter_lookup_82576(struct e1000_5tuple_filter_list *filter_list,
4070 			struct e1000_5tuple_filter_info *key)
4071 {
4072 	struct e1000_5tuple_filter *it;
4073 
4074 	TAILQ_FOREACH(it, filter_list, entries) {
4075 		if (memcmp(key, &it->filter_info,
4076 			sizeof(struct e1000_5tuple_filter_info)) == 0) {
4077 			return it;
4078 		}
4079 	}
4080 	return NULL;
4081 }
4082 
4083 /*
4084  * igb_add_5tuple_filter_82576 - add a 5tuple filter
4085  *
4086  * @param
4087  * dev: Pointer to struct rte_eth_dev.
4088  * ntuple_filter: ponter to the filter that will be added.
4089  *
4090  * @return
4091  *    - On success, zero.
4092  *    - On failure, a negative value.
4093  */
4094 static int
4095 igb_add_5tuple_filter_82576(struct rte_eth_dev *dev,
4096 			struct rte_eth_ntuple_filter *ntuple_filter)
4097 {
4098 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4099 	struct e1000_filter_info *filter_info =
4100 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
4101 	struct e1000_5tuple_filter *filter;
4102 	uint32_t ftqf = E1000_FTQF_VF_BP | E1000_FTQF_MASK;
4103 	uint32_t spqf, imir, imir_ext = E1000_IMIREXT_SIZE_BP;
4104 	uint8_t i;
4105 	int ret;
4106 
4107 	filter = rte_zmalloc("e1000_5tuple_filter",
4108 			sizeof(struct e1000_5tuple_filter), 0);
4109 	if (filter == NULL)
4110 		return -ENOMEM;
4111 
4112 	ret = ntuple_filter_to_5tuple_82576(ntuple_filter,
4113 					    &filter->filter_info);
4114 	if (ret < 0) {
4115 		rte_free(filter);
4116 		return ret;
4117 	}
4118 
4119 	if (igb_5tuple_filter_lookup_82576(&filter_info->fivetuple_list,
4120 					 &filter->filter_info) != NULL) {
4121 		PMD_DRV_LOG(ERR, "filter exists.");
4122 		rte_free(filter);
4123 		return -EEXIST;
4124 	}
4125 	filter->queue = ntuple_filter->queue;
4126 
4127 	/*
4128 	 * look for an unused 5tuple filter index,
4129 	 * and insert the filter to list.
4130 	 */
4131 	for (i = 0; i < E1000_MAX_FTQF_FILTERS; i++) {
4132 		if (!(filter_info->fivetuple_mask & (1 << i))) {
4133 			filter_info->fivetuple_mask |= 1 << i;
4134 			filter->index = i;
4135 			TAILQ_INSERT_TAIL(&filter_info->fivetuple_list,
4136 					  filter,
4137 					  entries);
4138 			break;
4139 		}
4140 	}
4141 	if (i >= E1000_MAX_FTQF_FILTERS) {
4142 		PMD_DRV_LOG(ERR, "5tuple filters are full.");
4143 		rte_free(filter);
4144 		return -ENOSYS;
4145 	}
4146 
4147 	ftqf |= filter->filter_info.proto & E1000_FTQF_PROTOCOL_MASK;
4148 	if (filter->filter_info.src_ip_mask == 0) /* 0b means compare. */
4149 		ftqf &= ~E1000_FTQF_MASK_SOURCE_ADDR_BP;
4150 	if (filter->filter_info.dst_ip_mask == 0)
4151 		ftqf &= ~E1000_FTQF_MASK_DEST_ADDR_BP;
4152 	if (filter->filter_info.src_port_mask == 0)
4153 		ftqf &= ~E1000_FTQF_MASK_SOURCE_PORT_BP;
4154 	if (filter->filter_info.proto_mask == 0)
4155 		ftqf &= ~E1000_FTQF_MASK_PROTO_BP;
4156 	ftqf |= (filter->queue << E1000_FTQF_QUEUE_SHIFT) &
4157 		E1000_FTQF_QUEUE_MASK;
4158 	ftqf |= E1000_FTQF_QUEUE_ENABLE;
4159 	E1000_WRITE_REG(hw, E1000_FTQF(i), ftqf);
4160 	E1000_WRITE_REG(hw, E1000_DAQF(i), filter->filter_info.dst_ip);
4161 	E1000_WRITE_REG(hw, E1000_SAQF(i), filter->filter_info.src_ip);
4162 
4163 	spqf = filter->filter_info.src_port & E1000_SPQF_SRCPORT;
4164 	E1000_WRITE_REG(hw, E1000_SPQF(i), spqf);
4165 
4166 	imir = (uint32_t)(filter->filter_info.dst_port & E1000_IMIR_DSTPORT);
4167 	if (filter->filter_info.dst_port_mask == 1) /* 1b means not compare. */
4168 		imir |= E1000_IMIR_PORT_BP;
4169 	else
4170 		imir &= ~E1000_IMIR_PORT_BP;
4171 	imir |= filter->filter_info.priority << E1000_IMIR_PRIORITY_SHIFT;
4172 
4173 	/* tcp flags bits setting. */
4174 	if (filter->filter_info.tcp_flags & TCP_FLAG_ALL) {
4175 		if (filter->filter_info.tcp_flags & TCP_URG_FLAG)
4176 			imir_ext |= E1000_IMIREXT_CTRL_URG;
4177 		if (filter->filter_info.tcp_flags & TCP_ACK_FLAG)
4178 			imir_ext |= E1000_IMIREXT_CTRL_ACK;
4179 		if (filter->filter_info.tcp_flags & TCP_PSH_FLAG)
4180 			imir_ext |= E1000_IMIREXT_CTRL_PSH;
4181 		if (filter->filter_info.tcp_flags & TCP_RST_FLAG)
4182 			imir_ext |= E1000_IMIREXT_CTRL_RST;
4183 		if (filter->filter_info.tcp_flags & TCP_SYN_FLAG)
4184 			imir_ext |= E1000_IMIREXT_CTRL_SYN;
4185 		if (filter->filter_info.tcp_flags & TCP_FIN_FLAG)
4186 			imir_ext |= E1000_IMIREXT_CTRL_FIN;
4187 	} else
4188 		imir_ext |= E1000_IMIREXT_CTRL_BP;
4189 	E1000_WRITE_REG(hw, E1000_IMIR(i), imir);
4190 	E1000_WRITE_REG(hw, E1000_IMIREXT(i), imir_ext);
4191 	return 0;
4192 }
4193 
4194 /*
4195  * igb_remove_5tuple_filter_82576 - remove a 5tuple filter
4196  *
4197  * @param
4198  * dev: Pointer to struct rte_eth_dev.
4199  * ntuple_filter: ponter to the filter that will be removed.
4200  *
4201  * @return
4202  *    - On success, zero.
4203  *    - On failure, a negative value.
4204  */
4205 static int
4206 igb_remove_5tuple_filter_82576(struct rte_eth_dev *dev,
4207 				struct rte_eth_ntuple_filter *ntuple_filter)
4208 {
4209 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4210 	struct e1000_filter_info *filter_info =
4211 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
4212 	struct e1000_5tuple_filter_info filter_5tuple;
4213 	struct e1000_5tuple_filter *filter;
4214 	int ret;
4215 
4216 	memset(&filter_5tuple, 0, sizeof(struct e1000_5tuple_filter_info));
4217 	ret = ntuple_filter_to_5tuple_82576(ntuple_filter,
4218 					    &filter_5tuple);
4219 	if (ret < 0)
4220 		return ret;
4221 
4222 	filter = igb_5tuple_filter_lookup_82576(&filter_info->fivetuple_list,
4223 					 &filter_5tuple);
4224 	if (filter == NULL) {
4225 		PMD_DRV_LOG(ERR, "filter doesn't exist.");
4226 		return -ENOENT;
4227 	}
4228 
4229 	filter_info->fivetuple_mask &= ~(1 << filter->index);
4230 	TAILQ_REMOVE(&filter_info->fivetuple_list, filter, entries);
4231 	rte_free(filter);
4232 
4233 	E1000_WRITE_REG(hw, E1000_FTQF(filter->index),
4234 			E1000_FTQF_VF_BP | E1000_FTQF_MASK);
4235 	E1000_WRITE_REG(hw, E1000_DAQF(filter->index), 0);
4236 	E1000_WRITE_REG(hw, E1000_SAQF(filter->index), 0);
4237 	E1000_WRITE_REG(hw, E1000_SPQF(filter->index), 0);
4238 	E1000_WRITE_REG(hw, E1000_IMIR(filter->index), 0);
4239 	E1000_WRITE_REG(hw, E1000_IMIREXT(filter->index), 0);
4240 	return 0;
4241 }
4242 
4243 static int
4244 eth_igb_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
4245 {
4246 	uint32_t rctl;
4247 	struct e1000_hw *hw;
4248 	struct rte_eth_dev_info dev_info;
4249 	uint32_t frame_size = mtu + (ETHER_HDR_LEN + ETHER_CRC_LEN +
4250 				     VLAN_TAG_SIZE);
4251 
4252 	hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4253 
4254 #ifdef RTE_LIBRTE_82571_SUPPORT
4255 	/* XXX: not bigger than max_rx_pktlen */
4256 	if (hw->mac.type == e1000_82571)
4257 		return -ENOTSUP;
4258 #endif
4259 	eth_igb_infos_get(dev, &dev_info);
4260 
4261 	/* check that mtu is within the allowed range */
4262 	if ((mtu < ETHER_MIN_MTU) ||
4263 	    (frame_size > dev_info.max_rx_pktlen))
4264 		return -EINVAL;
4265 
4266 	/* refuse mtu that requires the support of scattered packets when this
4267 	 * feature has not been enabled before. */
4268 	if (!dev->data->scattered_rx &&
4269 	    frame_size > dev->data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM)
4270 		return -EINVAL;
4271 
4272 	rctl = E1000_READ_REG(hw, E1000_RCTL);
4273 
4274 	/* switch to jumbo mode if needed */
4275 	if (frame_size > ETHER_MAX_LEN) {
4276 		dev->data->dev_conf.rxmode.jumbo_frame = 1;
4277 		rctl |= E1000_RCTL_LPE;
4278 	} else {
4279 		dev->data->dev_conf.rxmode.jumbo_frame = 0;
4280 		rctl &= ~E1000_RCTL_LPE;
4281 	}
4282 	E1000_WRITE_REG(hw, E1000_RCTL, rctl);
4283 
4284 	/* update max frame size */
4285 	dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
4286 
4287 	E1000_WRITE_REG(hw, E1000_RLPML,
4288 			dev->data->dev_conf.rxmode.max_rx_pkt_len);
4289 
4290 	return 0;
4291 }
4292 
4293 /*
4294  * igb_add_del_ntuple_filter - add or delete a ntuple filter
4295  *
4296  * @param
4297  * dev: Pointer to struct rte_eth_dev.
4298  * ntuple_filter: Pointer to struct rte_eth_ntuple_filter
4299  * add: if true, add filter, if false, remove filter
4300  *
4301  * @return
4302  *    - On success, zero.
4303  *    - On failure, a negative value.
4304  */
4305 static int
4306 igb_add_del_ntuple_filter(struct rte_eth_dev *dev,
4307 			struct rte_eth_ntuple_filter *ntuple_filter,
4308 			bool add)
4309 {
4310 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4311 	int ret;
4312 
4313 	switch (ntuple_filter->flags) {
4314 	case RTE_5TUPLE_FLAGS:
4315 	case (RTE_5TUPLE_FLAGS | RTE_NTUPLE_FLAGS_TCP_FLAG):
4316 		if (hw->mac.type != e1000_82576)
4317 			return -ENOTSUP;
4318 		if (add)
4319 			ret = igb_add_5tuple_filter_82576(dev,
4320 							  ntuple_filter);
4321 		else
4322 			ret = igb_remove_5tuple_filter_82576(dev,
4323 							     ntuple_filter);
4324 		break;
4325 	case RTE_2TUPLE_FLAGS:
4326 	case (RTE_2TUPLE_FLAGS | RTE_NTUPLE_FLAGS_TCP_FLAG):
4327 		if (hw->mac.type != e1000_82580 && hw->mac.type != e1000_i350)
4328 			return -ENOTSUP;
4329 		if (add)
4330 			ret = igb_add_2tuple_filter(dev, ntuple_filter);
4331 		else
4332 			ret = igb_remove_2tuple_filter(dev, ntuple_filter);
4333 		break;
4334 	default:
4335 		ret = -EINVAL;
4336 		break;
4337 	}
4338 
4339 	return ret;
4340 }
4341 
4342 /*
4343  * igb_get_ntuple_filter - get a ntuple filter
4344  *
4345  * @param
4346  * dev: Pointer to struct rte_eth_dev.
4347  * ntuple_filter: Pointer to struct rte_eth_ntuple_filter
4348  *
4349  * @return
4350  *    - On success, zero.
4351  *    - On failure, a negative value.
4352  */
4353 static int
4354 igb_get_ntuple_filter(struct rte_eth_dev *dev,
4355 			struct rte_eth_ntuple_filter *ntuple_filter)
4356 {
4357 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4358 	struct e1000_filter_info *filter_info =
4359 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
4360 	struct e1000_5tuple_filter_info filter_5tuple;
4361 	struct e1000_2tuple_filter_info filter_2tuple;
4362 	struct e1000_5tuple_filter *p_5tuple_filter;
4363 	struct e1000_2tuple_filter *p_2tuple_filter;
4364 	int ret;
4365 
4366 	switch (ntuple_filter->flags) {
4367 	case RTE_5TUPLE_FLAGS:
4368 	case (RTE_5TUPLE_FLAGS | RTE_NTUPLE_FLAGS_TCP_FLAG):
4369 		if (hw->mac.type != e1000_82576)
4370 			return -ENOTSUP;
4371 		memset(&filter_5tuple,
4372 			0,
4373 			sizeof(struct e1000_5tuple_filter_info));
4374 		ret = ntuple_filter_to_5tuple_82576(ntuple_filter,
4375 						    &filter_5tuple);
4376 		if (ret < 0)
4377 			return ret;
4378 		p_5tuple_filter = igb_5tuple_filter_lookup_82576(
4379 					&filter_info->fivetuple_list,
4380 					&filter_5tuple);
4381 		if (p_5tuple_filter == NULL) {
4382 			PMD_DRV_LOG(ERR, "filter doesn't exist.");
4383 			return -ENOENT;
4384 		}
4385 		ntuple_filter->queue = p_5tuple_filter->queue;
4386 		break;
4387 	case RTE_2TUPLE_FLAGS:
4388 	case (RTE_2TUPLE_FLAGS | RTE_NTUPLE_FLAGS_TCP_FLAG):
4389 		if (hw->mac.type != e1000_82580 && hw->mac.type != e1000_i350)
4390 			return -ENOTSUP;
4391 		memset(&filter_2tuple,
4392 			0,
4393 			sizeof(struct e1000_2tuple_filter_info));
4394 		ret = ntuple_filter_to_2tuple(ntuple_filter, &filter_2tuple);
4395 		if (ret < 0)
4396 			return ret;
4397 		p_2tuple_filter = igb_2tuple_filter_lookup(
4398 					&filter_info->twotuple_list,
4399 					&filter_2tuple);
4400 		if (p_2tuple_filter == NULL) {
4401 			PMD_DRV_LOG(ERR, "filter doesn't exist.");
4402 			return -ENOENT;
4403 		}
4404 		ntuple_filter->queue = p_2tuple_filter->queue;
4405 		break;
4406 	default:
4407 		ret = -EINVAL;
4408 		break;
4409 	}
4410 
4411 	return 0;
4412 }
4413 
4414 /*
4415  * igb_ntuple_filter_handle - Handle operations for ntuple filter.
4416  * @dev: pointer to rte_eth_dev structure
4417  * @filter_op:operation will be taken.
4418  * @arg: a pointer to specific structure corresponding to the filter_op
4419  */
4420 static int
4421 igb_ntuple_filter_handle(struct rte_eth_dev *dev,
4422 				enum rte_filter_op filter_op,
4423 				void *arg)
4424 {
4425 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4426 	int ret;
4427 
4428 	MAC_TYPE_FILTER_SUP(hw->mac.type);
4429 
4430 	if (filter_op == RTE_ETH_FILTER_NOP)
4431 		return 0;
4432 
4433 	if (arg == NULL) {
4434 		PMD_DRV_LOG(ERR, "arg shouldn't be NULL for operation %u.",
4435 			    filter_op);
4436 		return -EINVAL;
4437 	}
4438 
4439 	switch (filter_op) {
4440 	case RTE_ETH_FILTER_ADD:
4441 		ret = igb_add_del_ntuple_filter(dev,
4442 			(struct rte_eth_ntuple_filter *)arg,
4443 			TRUE);
4444 		break;
4445 	case RTE_ETH_FILTER_DELETE:
4446 		ret = igb_add_del_ntuple_filter(dev,
4447 			(struct rte_eth_ntuple_filter *)arg,
4448 			FALSE);
4449 		break;
4450 	case RTE_ETH_FILTER_GET:
4451 		ret = igb_get_ntuple_filter(dev,
4452 			(struct rte_eth_ntuple_filter *)arg);
4453 		break;
4454 	default:
4455 		PMD_DRV_LOG(ERR, "unsupported operation %u.", filter_op);
4456 		ret = -EINVAL;
4457 		break;
4458 	}
4459 	return ret;
4460 }
4461 
4462 static inline int
4463 igb_ethertype_filter_lookup(struct e1000_filter_info *filter_info,
4464 			uint16_t ethertype)
4465 {
4466 	int i;
4467 
4468 	for (i = 0; i < E1000_MAX_ETQF_FILTERS; i++) {
4469 		if (filter_info->ethertype_filters[i] == ethertype &&
4470 		    (filter_info->ethertype_mask & (1 << i)))
4471 			return i;
4472 	}
4473 	return -1;
4474 }
4475 
4476 static inline int
4477 igb_ethertype_filter_insert(struct e1000_filter_info *filter_info,
4478 			uint16_t ethertype)
4479 {
4480 	int i;
4481 
4482 	for (i = 0; i < E1000_MAX_ETQF_FILTERS; i++) {
4483 		if (!(filter_info->ethertype_mask & (1 << i))) {
4484 			filter_info->ethertype_mask |= 1 << i;
4485 			filter_info->ethertype_filters[i] = ethertype;
4486 			return i;
4487 		}
4488 	}
4489 	return -1;
4490 }
4491 
4492 static inline int
4493 igb_ethertype_filter_remove(struct e1000_filter_info *filter_info,
4494 			uint8_t idx)
4495 {
4496 	if (idx >= E1000_MAX_ETQF_FILTERS)
4497 		return -1;
4498 	filter_info->ethertype_mask &= ~(1 << idx);
4499 	filter_info->ethertype_filters[idx] = 0;
4500 	return idx;
4501 }
4502 
4503 
4504 static int
4505 igb_add_del_ethertype_filter(struct rte_eth_dev *dev,
4506 			struct rte_eth_ethertype_filter *filter,
4507 			bool add)
4508 {
4509 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4510 	struct e1000_filter_info *filter_info =
4511 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
4512 	uint32_t etqf = 0;
4513 	int ret;
4514 
4515 	if (filter->ether_type == ETHER_TYPE_IPv4 ||
4516 		filter->ether_type == ETHER_TYPE_IPv6) {
4517 		PMD_DRV_LOG(ERR, "unsupported ether_type(0x%04x) in"
4518 			" ethertype filter.", filter->ether_type);
4519 		return -EINVAL;
4520 	}
4521 
4522 	if (filter->flags & RTE_ETHTYPE_FLAGS_MAC) {
4523 		PMD_DRV_LOG(ERR, "mac compare is unsupported.");
4524 		return -EINVAL;
4525 	}
4526 	if (filter->flags & RTE_ETHTYPE_FLAGS_DROP) {
4527 		PMD_DRV_LOG(ERR, "drop option is unsupported.");
4528 		return -EINVAL;
4529 	}
4530 
4531 	ret = igb_ethertype_filter_lookup(filter_info, filter->ether_type);
4532 	if (ret >= 0 && add) {
4533 		PMD_DRV_LOG(ERR, "ethertype (0x%04x) filter exists.",
4534 			    filter->ether_type);
4535 		return -EEXIST;
4536 	}
4537 	if (ret < 0 && !add) {
4538 		PMD_DRV_LOG(ERR, "ethertype (0x%04x) filter doesn't exist.",
4539 			    filter->ether_type);
4540 		return -ENOENT;
4541 	}
4542 
4543 	if (add) {
4544 		ret = igb_ethertype_filter_insert(filter_info,
4545 			filter->ether_type);
4546 		if (ret < 0) {
4547 			PMD_DRV_LOG(ERR, "ethertype filters are full.");
4548 			return -ENOSYS;
4549 		}
4550 
4551 		etqf |= E1000_ETQF_FILTER_ENABLE | E1000_ETQF_QUEUE_ENABLE;
4552 		etqf |= (uint32_t)(filter->ether_type & E1000_ETQF_ETHERTYPE);
4553 		etqf |= filter->queue << E1000_ETQF_QUEUE_SHIFT;
4554 	} else {
4555 		ret = igb_ethertype_filter_remove(filter_info, (uint8_t)ret);
4556 		if (ret < 0)
4557 			return -ENOSYS;
4558 	}
4559 	E1000_WRITE_REG(hw, E1000_ETQF(ret), etqf);
4560 	E1000_WRITE_FLUSH(hw);
4561 
4562 	return 0;
4563 }
4564 
4565 static int
4566 igb_get_ethertype_filter(struct rte_eth_dev *dev,
4567 			struct rte_eth_ethertype_filter *filter)
4568 {
4569 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4570 	struct e1000_filter_info *filter_info =
4571 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
4572 	uint32_t etqf;
4573 	int ret;
4574 
4575 	ret = igb_ethertype_filter_lookup(filter_info, filter->ether_type);
4576 	if (ret < 0) {
4577 		PMD_DRV_LOG(ERR, "ethertype (0x%04x) filter doesn't exist.",
4578 			    filter->ether_type);
4579 		return -ENOENT;
4580 	}
4581 
4582 	etqf = E1000_READ_REG(hw, E1000_ETQF(ret));
4583 	if (etqf & E1000_ETQF_FILTER_ENABLE) {
4584 		filter->ether_type = etqf & E1000_ETQF_ETHERTYPE;
4585 		filter->flags = 0;
4586 		filter->queue = (etqf & E1000_ETQF_QUEUE) >>
4587 				E1000_ETQF_QUEUE_SHIFT;
4588 		return 0;
4589 	}
4590 
4591 	return -ENOENT;
4592 }
4593 
4594 /*
4595  * igb_ethertype_filter_handle - Handle operations for ethertype filter.
4596  * @dev: pointer to rte_eth_dev structure
4597  * @filter_op:operation will be taken.
4598  * @arg: a pointer to specific structure corresponding to the filter_op
4599  */
4600 static int
4601 igb_ethertype_filter_handle(struct rte_eth_dev *dev,
4602 				enum rte_filter_op filter_op,
4603 				void *arg)
4604 {
4605 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4606 	int ret;
4607 
4608 	MAC_TYPE_FILTER_SUP(hw->mac.type);
4609 
4610 	if (filter_op == RTE_ETH_FILTER_NOP)
4611 		return 0;
4612 
4613 	if (arg == NULL) {
4614 		PMD_DRV_LOG(ERR, "arg shouldn't be NULL for operation %u.",
4615 			    filter_op);
4616 		return -EINVAL;
4617 	}
4618 
4619 	switch (filter_op) {
4620 	case RTE_ETH_FILTER_ADD:
4621 		ret = igb_add_del_ethertype_filter(dev,
4622 			(struct rte_eth_ethertype_filter *)arg,
4623 			TRUE);
4624 		break;
4625 	case RTE_ETH_FILTER_DELETE:
4626 		ret = igb_add_del_ethertype_filter(dev,
4627 			(struct rte_eth_ethertype_filter *)arg,
4628 			FALSE);
4629 		break;
4630 	case RTE_ETH_FILTER_GET:
4631 		ret = igb_get_ethertype_filter(dev,
4632 			(struct rte_eth_ethertype_filter *)arg);
4633 		break;
4634 	default:
4635 		PMD_DRV_LOG(ERR, "unsupported operation %u.", filter_op);
4636 		ret = -EINVAL;
4637 		break;
4638 	}
4639 	return ret;
4640 }
4641 
4642 static int
4643 eth_igb_filter_ctrl(struct rte_eth_dev *dev,
4644 		     enum rte_filter_type filter_type,
4645 		     enum rte_filter_op filter_op,
4646 		     void *arg)
4647 {
4648 	int ret = -EINVAL;
4649 
4650 	switch (filter_type) {
4651 	case RTE_ETH_FILTER_NTUPLE:
4652 		ret = igb_ntuple_filter_handle(dev, filter_op, arg);
4653 		break;
4654 	case RTE_ETH_FILTER_ETHERTYPE:
4655 		ret = igb_ethertype_filter_handle(dev, filter_op, arg);
4656 		break;
4657 	case RTE_ETH_FILTER_SYN:
4658 		ret = eth_igb_syn_filter_handle(dev, filter_op, arg);
4659 		break;
4660 	case RTE_ETH_FILTER_FLEXIBLE:
4661 		ret = eth_igb_flex_filter_handle(dev, filter_op, arg);
4662 		break;
4663 	default:
4664 		PMD_DRV_LOG(WARNING, "Filter type (%d) not supported",
4665 							filter_type);
4666 		break;
4667 	}
4668 
4669 	return ret;
4670 }
4671 
4672 static int
4673 eth_igb_set_mc_addr_list(struct rte_eth_dev *dev,
4674 			 struct ether_addr *mc_addr_set,
4675 			 uint32_t nb_mc_addr)
4676 {
4677 	struct e1000_hw *hw;
4678 
4679 	hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4680 	e1000_update_mc_addr_list(hw, (u8 *)mc_addr_set, nb_mc_addr);
4681 	return 0;
4682 }
4683 
4684 static uint64_t
4685 igb_read_systime_cyclecounter(struct rte_eth_dev *dev)
4686 {
4687 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4688 	uint64_t systime_cycles;
4689 
4690 	switch (hw->mac.type) {
4691 	case e1000_i210:
4692 	case e1000_i211:
4693 		/*
4694 		 * Need to read System Time Residue Register to be able
4695 		 * to read the other two registers.
4696 		 */
4697 		E1000_READ_REG(hw, E1000_SYSTIMR);
4698 		/* SYSTIMEL stores ns and SYSTIMEH stores seconds. */
4699 		systime_cycles = (uint64_t)E1000_READ_REG(hw, E1000_SYSTIML);
4700 		systime_cycles += (uint64_t)E1000_READ_REG(hw, E1000_SYSTIMH)
4701 				* NSEC_PER_SEC;
4702 		break;
4703 	case e1000_82580:
4704 	case e1000_i350:
4705 	case e1000_i354:
4706 		/*
4707 		 * Need to read System Time Residue Register to be able
4708 		 * to read the other two registers.
4709 		 */
4710 		E1000_READ_REG(hw, E1000_SYSTIMR);
4711 		systime_cycles = (uint64_t)E1000_READ_REG(hw, E1000_SYSTIML);
4712 		/* Only the 8 LSB are valid. */
4713 		systime_cycles |= (uint64_t)(E1000_READ_REG(hw, E1000_SYSTIMH)
4714 				& 0xff) << 32;
4715 		break;
4716 	default:
4717 		systime_cycles = (uint64_t)E1000_READ_REG(hw, E1000_SYSTIML);
4718 		systime_cycles |= (uint64_t)E1000_READ_REG(hw, E1000_SYSTIMH)
4719 				<< 32;
4720 		break;
4721 	}
4722 
4723 	return systime_cycles;
4724 }
4725 
4726 static uint64_t
4727 igb_read_rx_tstamp_cyclecounter(struct rte_eth_dev *dev)
4728 {
4729 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4730 	uint64_t rx_tstamp_cycles;
4731 
4732 	switch (hw->mac.type) {
4733 	case e1000_i210:
4734 	case e1000_i211:
4735 		/* RXSTMPL stores ns and RXSTMPH stores seconds. */
4736 		rx_tstamp_cycles = (uint64_t)E1000_READ_REG(hw, E1000_RXSTMPL);
4737 		rx_tstamp_cycles += (uint64_t)E1000_READ_REG(hw, E1000_RXSTMPH)
4738 				* NSEC_PER_SEC;
4739 		break;
4740 	case e1000_82580:
4741 	case e1000_i350:
4742 	case e1000_i354:
4743 		rx_tstamp_cycles = (uint64_t)E1000_READ_REG(hw, E1000_RXSTMPL);
4744 		/* Only the 8 LSB are valid. */
4745 		rx_tstamp_cycles |= (uint64_t)(E1000_READ_REG(hw, E1000_RXSTMPH)
4746 				& 0xff) << 32;
4747 		break;
4748 	default:
4749 		rx_tstamp_cycles = (uint64_t)E1000_READ_REG(hw, E1000_RXSTMPL);
4750 		rx_tstamp_cycles |= (uint64_t)E1000_READ_REG(hw, E1000_RXSTMPH)
4751 				<< 32;
4752 		break;
4753 	}
4754 
4755 	return rx_tstamp_cycles;
4756 }
4757 
4758 static uint64_t
4759 igb_read_tx_tstamp_cyclecounter(struct rte_eth_dev *dev)
4760 {
4761 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4762 	uint64_t tx_tstamp_cycles;
4763 
4764 	switch (hw->mac.type) {
4765 	case e1000_i210:
4766 	case e1000_i211:
4767 		/* RXSTMPL stores ns and RXSTMPH stores seconds. */
4768 		tx_tstamp_cycles = (uint64_t)E1000_READ_REG(hw, E1000_TXSTMPL);
4769 		tx_tstamp_cycles += (uint64_t)E1000_READ_REG(hw, E1000_TXSTMPH)
4770 				* NSEC_PER_SEC;
4771 		break;
4772 	case e1000_82580:
4773 	case e1000_i350:
4774 	case e1000_i354:
4775 		tx_tstamp_cycles = (uint64_t)E1000_READ_REG(hw, E1000_TXSTMPL);
4776 		/* Only the 8 LSB are valid. */
4777 		tx_tstamp_cycles |= (uint64_t)(E1000_READ_REG(hw, E1000_TXSTMPH)
4778 				& 0xff) << 32;
4779 		break;
4780 	default:
4781 		tx_tstamp_cycles = (uint64_t)E1000_READ_REG(hw, E1000_TXSTMPL);
4782 		tx_tstamp_cycles |= (uint64_t)E1000_READ_REG(hw, E1000_TXSTMPH)
4783 				<< 32;
4784 		break;
4785 	}
4786 
4787 	return tx_tstamp_cycles;
4788 }
4789 
4790 static void
4791 igb_start_timecounters(struct rte_eth_dev *dev)
4792 {
4793 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4794 	struct e1000_adapter *adapter =
4795 		(struct e1000_adapter *)dev->data->dev_private;
4796 	uint32_t incval = 1;
4797 	uint32_t shift = 0;
4798 	uint64_t mask = E1000_CYCLECOUNTER_MASK;
4799 
4800 	switch (hw->mac.type) {
4801 	case e1000_82580:
4802 	case e1000_i350:
4803 	case e1000_i354:
4804 		/* 32 LSB bits + 8 MSB bits = 40 bits */
4805 		mask = (1ULL << 40) - 1;
4806 		/* fall-through */
4807 	case e1000_i210:
4808 	case e1000_i211:
4809 		/*
4810 		 * Start incrementing the register
4811 		 * used to timestamp PTP packets.
4812 		 */
4813 		E1000_WRITE_REG(hw, E1000_TIMINCA, incval);
4814 		break;
4815 	case e1000_82576:
4816 		incval = E1000_INCVALUE_82576;
4817 		shift = IGB_82576_TSYNC_SHIFT;
4818 		E1000_WRITE_REG(hw, E1000_TIMINCA,
4819 				E1000_INCPERIOD_82576 | incval);
4820 		break;
4821 	default:
4822 		/* Not supported */
4823 		return;
4824 	}
4825 
4826 	memset(&adapter->systime_tc, 0, sizeof(struct rte_timecounter));
4827 	memset(&adapter->rx_tstamp_tc, 0, sizeof(struct rte_timecounter));
4828 	memset(&adapter->tx_tstamp_tc, 0, sizeof(struct rte_timecounter));
4829 
4830 	adapter->systime_tc.cc_mask = mask;
4831 	adapter->systime_tc.cc_shift = shift;
4832 	adapter->systime_tc.nsec_mask = (1ULL << shift) - 1;
4833 
4834 	adapter->rx_tstamp_tc.cc_mask = mask;
4835 	adapter->rx_tstamp_tc.cc_shift = shift;
4836 	adapter->rx_tstamp_tc.nsec_mask = (1ULL << shift) - 1;
4837 
4838 	adapter->tx_tstamp_tc.cc_mask = mask;
4839 	adapter->tx_tstamp_tc.cc_shift = shift;
4840 	adapter->tx_tstamp_tc.nsec_mask = (1ULL << shift) - 1;
4841 }
4842 
4843 static int
4844 igb_timesync_adjust_time(struct rte_eth_dev *dev, int64_t delta)
4845 {
4846 	struct e1000_adapter *adapter =
4847 			(struct e1000_adapter *)dev->data->dev_private;
4848 
4849 	adapter->systime_tc.nsec += delta;
4850 	adapter->rx_tstamp_tc.nsec += delta;
4851 	adapter->tx_tstamp_tc.nsec += delta;
4852 
4853 	return 0;
4854 }
4855 
4856 static int
4857 igb_timesync_write_time(struct rte_eth_dev *dev, const struct timespec *ts)
4858 {
4859 	uint64_t ns;
4860 	struct e1000_adapter *adapter =
4861 			(struct e1000_adapter *)dev->data->dev_private;
4862 
4863 	ns = rte_timespec_to_ns(ts);
4864 
4865 	/* Set the timecounters to a new value. */
4866 	adapter->systime_tc.nsec = ns;
4867 	adapter->rx_tstamp_tc.nsec = ns;
4868 	adapter->tx_tstamp_tc.nsec = ns;
4869 
4870 	return 0;
4871 }
4872 
4873 static int
4874 igb_timesync_read_time(struct rte_eth_dev *dev, struct timespec *ts)
4875 {
4876 	uint64_t ns, systime_cycles;
4877 	struct e1000_adapter *adapter =
4878 			(struct e1000_adapter *)dev->data->dev_private;
4879 
4880 	systime_cycles = igb_read_systime_cyclecounter(dev);
4881 	ns = rte_timecounter_update(&adapter->systime_tc, systime_cycles);
4882 	*ts = rte_ns_to_timespec(ns);
4883 
4884 	return 0;
4885 }
4886 
4887 static int
4888 igb_timesync_enable(struct rte_eth_dev *dev)
4889 {
4890 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4891 	uint32_t tsync_ctl;
4892 	uint32_t tsauxc;
4893 
4894 	/* Stop the timesync system time. */
4895 	E1000_WRITE_REG(hw, E1000_TIMINCA, 0x0);
4896 	/* Reset the timesync system time value. */
4897 	switch (hw->mac.type) {
4898 	case e1000_82580:
4899 	case e1000_i350:
4900 	case e1000_i354:
4901 	case e1000_i210:
4902 	case e1000_i211:
4903 		E1000_WRITE_REG(hw, E1000_SYSTIMR, 0x0);
4904 		/* fall-through */
4905 	case e1000_82576:
4906 		E1000_WRITE_REG(hw, E1000_SYSTIML, 0x0);
4907 		E1000_WRITE_REG(hw, E1000_SYSTIMH, 0x0);
4908 		break;
4909 	default:
4910 		/* Not supported. */
4911 		return -ENOTSUP;
4912 	}
4913 
4914 	/* Enable system time for it isn't on by default. */
4915 	tsauxc = E1000_READ_REG(hw, E1000_TSAUXC);
4916 	tsauxc &= ~E1000_TSAUXC_DISABLE_SYSTIME;
4917 	E1000_WRITE_REG(hw, E1000_TSAUXC, tsauxc);
4918 
4919 	igb_start_timecounters(dev);
4920 
4921 	/* Enable L2 filtering of IEEE1588/802.1AS Ethernet frame types. */
4922 	E1000_WRITE_REG(hw, E1000_ETQF(E1000_ETQF_FILTER_1588),
4923 			(ETHER_TYPE_1588 |
4924 			 E1000_ETQF_FILTER_ENABLE |
4925 			 E1000_ETQF_1588));
4926 
4927 	/* Enable timestamping of received PTP packets. */
4928 	tsync_ctl = E1000_READ_REG(hw, E1000_TSYNCRXCTL);
4929 	tsync_ctl |= E1000_TSYNCRXCTL_ENABLED;
4930 	E1000_WRITE_REG(hw, E1000_TSYNCRXCTL, tsync_ctl);
4931 
4932 	/* Enable Timestamping of transmitted PTP packets. */
4933 	tsync_ctl = E1000_READ_REG(hw, E1000_TSYNCTXCTL);
4934 	tsync_ctl |= E1000_TSYNCTXCTL_ENABLED;
4935 	E1000_WRITE_REG(hw, E1000_TSYNCTXCTL, tsync_ctl);
4936 
4937 	return 0;
4938 }
4939 
4940 static int
4941 igb_timesync_disable(struct rte_eth_dev *dev)
4942 {
4943 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4944 	uint32_t tsync_ctl;
4945 
4946 	/* Disable timestamping of transmitted PTP packets. */
4947 	tsync_ctl = E1000_READ_REG(hw, E1000_TSYNCTXCTL);
4948 	tsync_ctl &= ~E1000_TSYNCTXCTL_ENABLED;
4949 	E1000_WRITE_REG(hw, E1000_TSYNCTXCTL, tsync_ctl);
4950 
4951 	/* Disable timestamping of received PTP packets. */
4952 	tsync_ctl = E1000_READ_REG(hw, E1000_TSYNCRXCTL);
4953 	tsync_ctl &= ~E1000_TSYNCRXCTL_ENABLED;
4954 	E1000_WRITE_REG(hw, E1000_TSYNCRXCTL, tsync_ctl);
4955 
4956 	/* Disable L2 filtering of IEEE1588/802.1AS Ethernet frame types. */
4957 	E1000_WRITE_REG(hw, E1000_ETQF(E1000_ETQF_FILTER_1588), 0);
4958 
4959 	/* Stop incrementating the System Time registers. */
4960 	E1000_WRITE_REG(hw, E1000_TIMINCA, 0);
4961 
4962 	return 0;
4963 }
4964 
4965 static int
4966 igb_timesync_read_rx_timestamp(struct rte_eth_dev *dev,
4967 			       struct timespec *timestamp,
4968 			       uint32_t flags __rte_unused)
4969 {
4970 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4971 	struct e1000_adapter *adapter =
4972 			(struct e1000_adapter *)dev->data->dev_private;
4973 	uint32_t tsync_rxctl;
4974 	uint64_t rx_tstamp_cycles;
4975 	uint64_t ns;
4976 
4977 	tsync_rxctl = E1000_READ_REG(hw, E1000_TSYNCRXCTL);
4978 	if ((tsync_rxctl & E1000_TSYNCRXCTL_VALID) == 0)
4979 		return -EINVAL;
4980 
4981 	rx_tstamp_cycles = igb_read_rx_tstamp_cyclecounter(dev);
4982 	ns = rte_timecounter_update(&adapter->rx_tstamp_tc, rx_tstamp_cycles);
4983 	*timestamp = rte_ns_to_timespec(ns);
4984 
4985 	return  0;
4986 }
4987 
4988 static int
4989 igb_timesync_read_tx_timestamp(struct rte_eth_dev *dev,
4990 			       struct timespec *timestamp)
4991 {
4992 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4993 	struct e1000_adapter *adapter =
4994 			(struct e1000_adapter *)dev->data->dev_private;
4995 	uint32_t tsync_txctl;
4996 	uint64_t tx_tstamp_cycles;
4997 	uint64_t ns;
4998 
4999 	tsync_txctl = E1000_READ_REG(hw, E1000_TSYNCTXCTL);
5000 	if ((tsync_txctl & E1000_TSYNCTXCTL_VALID) == 0)
5001 		return -EINVAL;
5002 
5003 	tx_tstamp_cycles = igb_read_tx_tstamp_cyclecounter(dev);
5004 	ns = rte_timecounter_update(&adapter->tx_tstamp_tc, tx_tstamp_cycles);
5005 	*timestamp = rte_ns_to_timespec(ns);
5006 
5007 	return  0;
5008 }
5009 
5010 static int
5011 eth_igb_get_reg_length(struct rte_eth_dev *dev __rte_unused)
5012 {
5013 	int count = 0;
5014 	int g_ind = 0;
5015 	const struct reg_info *reg_group;
5016 
5017 	while ((reg_group = igb_regs[g_ind++]))
5018 		count += igb_reg_group_count(reg_group);
5019 
5020 	return count;
5021 }
5022 
5023 static int
5024 igbvf_get_reg_length(struct rte_eth_dev *dev __rte_unused)
5025 {
5026 	int count = 0;
5027 	int g_ind = 0;
5028 	const struct reg_info *reg_group;
5029 
5030 	while ((reg_group = igbvf_regs[g_ind++]))
5031 		count += igb_reg_group_count(reg_group);
5032 
5033 	return count;
5034 }
5035 
5036 static int
5037 eth_igb_get_regs(struct rte_eth_dev *dev,
5038 	struct rte_dev_reg_info *regs)
5039 {
5040 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5041 	uint32_t *data = regs->data;
5042 	int g_ind = 0;
5043 	int count = 0;
5044 	const struct reg_info *reg_group;
5045 
5046 	if (data == NULL) {
5047 		regs->length = eth_igb_get_reg_length(dev);
5048 		regs->width = sizeof(uint32_t);
5049 		return 0;
5050 	}
5051 
5052 	/* Support only full register dump */
5053 	if ((regs->length == 0) ||
5054 	    (regs->length == (uint32_t)eth_igb_get_reg_length(dev))) {
5055 		regs->version = hw->mac.type << 24 | hw->revision_id << 16 |
5056 			hw->device_id;
5057 		while ((reg_group = igb_regs[g_ind++]))
5058 			count += igb_read_regs_group(dev, &data[count],
5059 							reg_group);
5060 		return 0;
5061 	}
5062 
5063 	return -ENOTSUP;
5064 }
5065 
5066 static int
5067 igbvf_get_regs(struct rte_eth_dev *dev,
5068 	struct rte_dev_reg_info *regs)
5069 {
5070 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5071 	uint32_t *data = regs->data;
5072 	int g_ind = 0;
5073 	int count = 0;
5074 	const struct reg_info *reg_group;
5075 
5076 	if (data == NULL) {
5077 		regs->length = igbvf_get_reg_length(dev);
5078 		regs->width = sizeof(uint32_t);
5079 		return 0;
5080 	}
5081 
5082 	/* Support only full register dump */
5083 	if ((regs->length == 0) ||
5084 	    (regs->length == (uint32_t)igbvf_get_reg_length(dev))) {
5085 		regs->version = hw->mac.type << 24 | hw->revision_id << 16 |
5086 			hw->device_id;
5087 		while ((reg_group = igbvf_regs[g_ind++]))
5088 			count += igb_read_regs_group(dev, &data[count],
5089 							reg_group);
5090 		return 0;
5091 	}
5092 
5093 	return -ENOTSUP;
5094 }
5095 
5096 static int
5097 eth_igb_get_eeprom_length(struct rte_eth_dev *dev)
5098 {
5099 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5100 
5101 	/* Return unit is byte count */
5102 	return hw->nvm.word_size * 2;
5103 }
5104 
5105 static int
5106 eth_igb_get_eeprom(struct rte_eth_dev *dev,
5107 	struct rte_dev_eeprom_info *in_eeprom)
5108 {
5109 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5110 	struct e1000_nvm_info *nvm = &hw->nvm;
5111 	uint16_t *data = in_eeprom->data;
5112 	int first, length;
5113 
5114 	first = in_eeprom->offset >> 1;
5115 	length = in_eeprom->length >> 1;
5116 	if ((first >= hw->nvm.word_size) ||
5117 	    ((first + length) >= hw->nvm.word_size))
5118 		return -EINVAL;
5119 
5120 	in_eeprom->magic = hw->vendor_id |
5121 		((uint32_t)hw->device_id << 16);
5122 
5123 	if ((nvm->ops.read) == NULL)
5124 		return -ENOTSUP;
5125 
5126 	return nvm->ops.read(hw, first, length, data);
5127 }
5128 
5129 static int
5130 eth_igb_set_eeprom(struct rte_eth_dev *dev,
5131 	struct rte_dev_eeprom_info *in_eeprom)
5132 {
5133 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5134 	struct e1000_nvm_info *nvm = &hw->nvm;
5135 	uint16_t *data = in_eeprom->data;
5136 	int first, length;
5137 
5138 	first = in_eeprom->offset >> 1;
5139 	length = in_eeprom->length >> 1;
5140 	if ((first >= hw->nvm.word_size) ||
5141 	    ((first + length) >= hw->nvm.word_size))
5142 		return -EINVAL;
5143 
5144 	in_eeprom->magic = (uint32_t)hw->vendor_id |
5145 		((uint32_t)hw->device_id << 16);
5146 
5147 	if ((nvm->ops.write) == NULL)
5148 		return -ENOTSUP;
5149 	return nvm->ops.write(hw,  first, length, data);
5150 }
5151 
5152 static int
5153 eth_igb_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id)
5154 {
5155 	struct e1000_hw *hw =
5156 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5157 	uint32_t mask = 1 << queue_id;
5158 
5159 	E1000_WRITE_REG(hw, E1000_EIMC, mask);
5160 	E1000_WRITE_FLUSH(hw);
5161 
5162 	return 0;
5163 }
5164 
5165 static int
5166 eth_igb_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
5167 {
5168 	struct e1000_hw *hw =
5169 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5170 	struct rte_pci_device *pci_dev = E1000_DEV_TO_PCI(dev);
5171 	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
5172 	uint32_t mask = 1 << queue_id;
5173 	uint32_t regval;
5174 
5175 	regval = E1000_READ_REG(hw, E1000_EIMS);
5176 	E1000_WRITE_REG(hw, E1000_EIMS, regval | mask);
5177 	E1000_WRITE_FLUSH(hw);
5178 
5179 	rte_intr_enable(intr_handle);
5180 
5181 	return 0;
5182 }
5183 
5184 static void
5185 eth_igb_write_ivar(struct e1000_hw *hw, uint8_t  msix_vector,
5186 		   uint8_t index, uint8_t offset)
5187 {
5188 	uint32_t val = E1000_READ_REG_ARRAY(hw, E1000_IVAR0, index);
5189 
5190 	/* clear bits */
5191 	val &= ~((uint32_t)0xFF << offset);
5192 
5193 	/* write vector and valid bit */
5194 	val |= (msix_vector | E1000_IVAR_VALID) << offset;
5195 
5196 	E1000_WRITE_REG_ARRAY(hw, E1000_IVAR0, index, val);
5197 }
5198 
5199 static void
5200 eth_igb_assign_msix_vector(struct e1000_hw *hw, int8_t direction,
5201 			   uint8_t queue, uint8_t msix_vector)
5202 {
5203 	uint32_t tmp = 0;
5204 
5205 	if (hw->mac.type == e1000_82575) {
5206 		if (direction == 0)
5207 			tmp = E1000_EICR_RX_QUEUE0 << queue;
5208 		else if (direction == 1)
5209 			tmp = E1000_EICR_TX_QUEUE0 << queue;
5210 		E1000_WRITE_REG(hw, E1000_MSIXBM(msix_vector), tmp);
5211 	} else if (hw->mac.type == e1000_82576) {
5212 		if ((direction == 0) || (direction == 1))
5213 			eth_igb_write_ivar(hw, msix_vector, queue & 0x7,
5214 					   ((queue & 0x8) << 1) +
5215 					   8 * direction);
5216 	} else if ((hw->mac.type == e1000_82580) ||
5217 			(hw->mac.type == e1000_i350) ||
5218 			(hw->mac.type == e1000_i354) ||
5219 			(hw->mac.type == e1000_i210) ||
5220 			(hw->mac.type == e1000_i211)) {
5221 		if ((direction == 0) || (direction == 1))
5222 			eth_igb_write_ivar(hw, msix_vector,
5223 					   queue >> 1,
5224 					   ((queue & 0x1) << 4) +
5225 					   8 * direction);
5226 	}
5227 }
5228 
5229 /* Sets up the hardware to generate MSI-X interrupts properly
5230  * @hw
5231  *  board private structure
5232  */
5233 static void
5234 eth_igb_configure_msix_intr(struct rte_eth_dev *dev)
5235 {
5236 	int queue_id;
5237 	uint32_t tmpval, regval, intr_mask;
5238 	struct e1000_hw *hw =
5239 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5240 	uint32_t vec = E1000_MISC_VEC_ID;
5241 	uint32_t base = E1000_MISC_VEC_ID;
5242 	uint32_t misc_shift = 0;
5243 	struct rte_pci_device *pci_dev = E1000_DEV_TO_PCI(dev);
5244 	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
5245 
5246 	/* won't configure msix register if no mapping is done
5247 	 * between intr vector and event fd
5248 	 */
5249 	if (!rte_intr_dp_is_en(intr_handle))
5250 		return;
5251 
5252 	if (rte_intr_allow_others(intr_handle)) {
5253 		vec = base = E1000_RX_VEC_START;
5254 		misc_shift = 1;
5255 	}
5256 
5257 	/* set interrupt vector for other causes */
5258 	if (hw->mac.type == e1000_82575) {
5259 		tmpval = E1000_READ_REG(hw, E1000_CTRL_EXT);
5260 		/* enable MSI-X PBA support */
5261 		tmpval |= E1000_CTRL_EXT_PBA_CLR;
5262 
5263 		/* Auto-Mask interrupts upon ICR read */
5264 		tmpval |= E1000_CTRL_EXT_EIAME;
5265 		tmpval |= E1000_CTRL_EXT_IRCA;
5266 
5267 		E1000_WRITE_REG(hw, E1000_CTRL_EXT, tmpval);
5268 
5269 		/* enable msix_other interrupt */
5270 		E1000_WRITE_REG_ARRAY(hw, E1000_MSIXBM(0), 0, E1000_EIMS_OTHER);
5271 		regval = E1000_READ_REG(hw, E1000_EIAC);
5272 		E1000_WRITE_REG(hw, E1000_EIAC, regval | E1000_EIMS_OTHER);
5273 		regval = E1000_READ_REG(hw, E1000_EIAM);
5274 		E1000_WRITE_REG(hw, E1000_EIMS, regval | E1000_EIMS_OTHER);
5275 	} else if ((hw->mac.type == e1000_82576) ||
5276 			(hw->mac.type == e1000_82580) ||
5277 			(hw->mac.type == e1000_i350) ||
5278 			(hw->mac.type == e1000_i354) ||
5279 			(hw->mac.type == e1000_i210) ||
5280 			(hw->mac.type == e1000_i211)) {
5281 		/* turn on MSI-X capability first */
5282 		E1000_WRITE_REG(hw, E1000_GPIE, E1000_GPIE_MSIX_MODE |
5283 					E1000_GPIE_PBA | E1000_GPIE_EIAME |
5284 					E1000_GPIE_NSICR);
5285 		intr_mask = RTE_LEN2MASK(intr_handle->nb_efd, uint32_t) <<
5286 			misc_shift;
5287 		regval = E1000_READ_REG(hw, E1000_EIAC);
5288 		E1000_WRITE_REG(hw, E1000_EIAC, regval | intr_mask);
5289 
5290 		/* enable msix_other interrupt */
5291 		regval = E1000_READ_REG(hw, E1000_EIMS);
5292 		E1000_WRITE_REG(hw, E1000_EIMS, regval | intr_mask);
5293 		tmpval = (dev->data->nb_rx_queues | E1000_IVAR_VALID) << 8;
5294 		E1000_WRITE_REG(hw, E1000_IVAR_MISC, tmpval);
5295 	}
5296 
5297 	/* use EIAM to auto-mask when MSI-X interrupt
5298 	 * is asserted, this saves a register write for every interrupt
5299 	 */
5300 	intr_mask = RTE_LEN2MASK(intr_handle->nb_efd, uint32_t) <<
5301 		misc_shift;
5302 	regval = E1000_READ_REG(hw, E1000_EIAM);
5303 	E1000_WRITE_REG(hw, E1000_EIAM, regval | intr_mask);
5304 
5305 	for (queue_id = 0; queue_id < dev->data->nb_rx_queues; queue_id++) {
5306 		eth_igb_assign_msix_vector(hw, 0, queue_id, vec);
5307 		intr_handle->intr_vec[queue_id] = vec;
5308 		if (vec < base + intr_handle->nb_efd - 1)
5309 			vec++;
5310 	}
5311 
5312 	E1000_WRITE_FLUSH(hw);
5313 }
5314 
5315 RTE_PMD_REGISTER_PCI(net_e1000_igb, rte_igb_pmd.pci_drv);
5316 RTE_PMD_REGISTER_PCI_TABLE(net_e1000_igb, pci_id_igb_map);
5317 RTE_PMD_REGISTER_KMOD_DEP(net_e1000_igb, "* igb_uio | uio_pci_generic | vfio");
5318 RTE_PMD_REGISTER_PCI(net_e1000_igb_vf, rte_igbvf_pmd.pci_drv);
5319 RTE_PMD_REGISTER_PCI_TABLE(net_e1000_igb_vf, pci_id_igbvf_map);
5320 RTE_PMD_REGISTER_KMOD_DEP(net_e1000_igb_vf, "* igb_uio | vfio");
5321