xref: /dpdk/drivers/net/e1000/igb_ethdev.c (revision 7f12dfdc)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2010-2016 Intel Corporation
3  */
4 
5 #include <sys/queue.h>
6 #include <stdio.h>
7 #include <errno.h>
8 #include <stdint.h>
9 #include <stdarg.h>
10 
11 #include <rte_string_fns.h>
12 #include <rte_common.h>
13 #include <rte_interrupts.h>
14 #include <rte_byteorder.h>
15 #include <rte_log.h>
16 #include <rte_debug.h>
17 #include <rte_pci.h>
18 #include <rte_bus_pci.h>
19 #include <rte_ether.h>
20 #include <rte_ethdev_driver.h>
21 #include <rte_ethdev_pci.h>
22 #include <rte_memory.h>
23 #include <rte_eal.h>
24 #include <rte_malloc.h>
25 #include <rte_dev.h>
26 
27 #include "e1000_logs.h"
28 #include "base/e1000_api.h"
29 #include "e1000_ethdev.h"
30 #include "igb_regs.h"
31 
32 /*
33  * Default values for port configuration
34  */
35 #define IGB_DEFAULT_RX_FREE_THRESH  32
36 
37 #define IGB_DEFAULT_RX_PTHRESH      ((hw->mac.type == e1000_i354) ? 12 : 8)
38 #define IGB_DEFAULT_RX_HTHRESH      8
39 #define IGB_DEFAULT_RX_WTHRESH      ((hw->mac.type == e1000_82576) ? 1 : 4)
40 
41 #define IGB_DEFAULT_TX_PTHRESH      ((hw->mac.type == e1000_i354) ? 20 : 8)
42 #define IGB_DEFAULT_TX_HTHRESH      1
43 #define IGB_DEFAULT_TX_WTHRESH      ((hw->mac.type == e1000_82576) ? 1 : 16)
44 
45 /* Bit shift and mask */
46 #define IGB_4_BIT_WIDTH  (CHAR_BIT / 2)
47 #define IGB_4_BIT_MASK   RTE_LEN2MASK(IGB_4_BIT_WIDTH, uint8_t)
48 #define IGB_8_BIT_WIDTH  CHAR_BIT
49 #define IGB_8_BIT_MASK   UINT8_MAX
50 
51 /* Additional timesync values. */
52 #define E1000_CYCLECOUNTER_MASK      0xffffffffffffffffULL
53 #define E1000_ETQF_FILTER_1588       3
54 #define IGB_82576_TSYNC_SHIFT        16
55 #define E1000_INCPERIOD_82576        (1 << E1000_TIMINCA_16NS_SHIFT)
56 #define E1000_INCVALUE_82576         (16 << IGB_82576_TSYNC_SHIFT)
57 #define E1000_TSAUXC_DISABLE_SYSTIME 0x80000000
58 
59 #define E1000_VTIVAR_MISC                0x01740
60 #define E1000_VTIVAR_MISC_MASK           0xFF
61 #define E1000_VTIVAR_VALID               0x80
62 #define E1000_VTIVAR_MISC_MAILBOX        0
63 #define E1000_VTIVAR_MISC_INTR_MASK      0x3
64 
65 /* External VLAN Enable bit mask */
66 #define E1000_CTRL_EXT_EXT_VLAN      (1 << 26)
67 
68 /* External VLAN Ether Type bit mask and shift */
69 #define E1000_VET_VET_EXT            0xFFFF0000
70 #define E1000_VET_VET_EXT_SHIFT      16
71 
72 /* MSI-X other interrupt vector */
73 #define IGB_MSIX_OTHER_INTR_VEC      0
74 
75 static int  eth_igb_configure(struct rte_eth_dev *dev);
76 static int  eth_igb_start(struct rte_eth_dev *dev);
77 static void eth_igb_stop(struct rte_eth_dev *dev);
78 static int  eth_igb_dev_set_link_up(struct rte_eth_dev *dev);
79 static int  eth_igb_dev_set_link_down(struct rte_eth_dev *dev);
80 static void eth_igb_close(struct rte_eth_dev *dev);
81 static int eth_igb_reset(struct rte_eth_dev *dev);
82 static void eth_igb_promiscuous_enable(struct rte_eth_dev *dev);
83 static void eth_igb_promiscuous_disable(struct rte_eth_dev *dev);
84 static void eth_igb_allmulticast_enable(struct rte_eth_dev *dev);
85 static void eth_igb_allmulticast_disable(struct rte_eth_dev *dev);
86 static int  eth_igb_link_update(struct rte_eth_dev *dev,
87 				int wait_to_complete);
88 static int eth_igb_stats_get(struct rte_eth_dev *dev,
89 				struct rte_eth_stats *rte_stats);
90 static int eth_igb_xstats_get(struct rte_eth_dev *dev,
91 			      struct rte_eth_xstat *xstats, unsigned n);
92 static int eth_igb_xstats_get_by_id(struct rte_eth_dev *dev,
93 		const uint64_t *ids,
94 		uint64_t *values, unsigned int n);
95 static int eth_igb_xstats_get_names(struct rte_eth_dev *dev,
96 				    struct rte_eth_xstat_name *xstats_names,
97 				    unsigned int size);
98 static int eth_igb_xstats_get_names_by_id(struct rte_eth_dev *dev,
99 		struct rte_eth_xstat_name *xstats_names, const uint64_t *ids,
100 		unsigned int limit);
101 static void eth_igb_stats_reset(struct rte_eth_dev *dev);
102 static void eth_igb_xstats_reset(struct rte_eth_dev *dev);
103 static int eth_igb_fw_version_get(struct rte_eth_dev *dev,
104 				   char *fw_version, size_t fw_size);
105 static void eth_igb_infos_get(struct rte_eth_dev *dev,
106 			      struct rte_eth_dev_info *dev_info);
107 static const uint32_t *eth_igb_supported_ptypes_get(struct rte_eth_dev *dev);
108 static void eth_igbvf_infos_get(struct rte_eth_dev *dev,
109 				struct rte_eth_dev_info *dev_info);
110 static int  eth_igb_flow_ctrl_get(struct rte_eth_dev *dev,
111 				struct rte_eth_fc_conf *fc_conf);
112 static int  eth_igb_flow_ctrl_set(struct rte_eth_dev *dev,
113 				struct rte_eth_fc_conf *fc_conf);
114 static int eth_igb_lsc_interrupt_setup(struct rte_eth_dev *dev, uint8_t on);
115 static int eth_igb_rxq_interrupt_setup(struct rte_eth_dev *dev);
116 static int eth_igb_interrupt_get_status(struct rte_eth_dev *dev);
117 static int eth_igb_interrupt_action(struct rte_eth_dev *dev,
118 				    struct rte_intr_handle *handle);
119 static void eth_igb_interrupt_handler(void *param);
120 static int  igb_hardware_init(struct e1000_hw *hw);
121 static void igb_hw_control_acquire(struct e1000_hw *hw);
122 static void igb_hw_control_release(struct e1000_hw *hw);
123 static void igb_init_manageability(struct e1000_hw *hw);
124 static void igb_release_manageability(struct e1000_hw *hw);
125 
126 static int  eth_igb_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
127 
128 static int eth_igb_vlan_filter_set(struct rte_eth_dev *dev,
129 		uint16_t vlan_id, int on);
130 static int eth_igb_vlan_tpid_set(struct rte_eth_dev *dev,
131 				 enum rte_vlan_type vlan_type,
132 				 uint16_t tpid_id);
133 static int eth_igb_vlan_offload_set(struct rte_eth_dev *dev, int mask);
134 
135 static void igb_vlan_hw_filter_enable(struct rte_eth_dev *dev);
136 static void igb_vlan_hw_filter_disable(struct rte_eth_dev *dev);
137 static void igb_vlan_hw_strip_enable(struct rte_eth_dev *dev);
138 static void igb_vlan_hw_strip_disable(struct rte_eth_dev *dev);
139 static void igb_vlan_hw_extend_enable(struct rte_eth_dev *dev);
140 static void igb_vlan_hw_extend_disable(struct rte_eth_dev *dev);
141 
142 static int eth_igb_led_on(struct rte_eth_dev *dev);
143 static int eth_igb_led_off(struct rte_eth_dev *dev);
144 
145 static void igb_intr_disable(struct rte_eth_dev *dev);
146 static int  igb_get_rx_buffer_size(struct e1000_hw *hw);
147 static int eth_igb_rar_set(struct rte_eth_dev *dev,
148 			   struct rte_ether_addr *mac_addr,
149 			   uint32_t index, uint32_t pool);
150 static void eth_igb_rar_clear(struct rte_eth_dev *dev, uint32_t index);
151 static int eth_igb_default_mac_addr_set(struct rte_eth_dev *dev,
152 		struct rte_ether_addr *addr);
153 
154 static void igbvf_intr_disable(struct e1000_hw *hw);
155 static int igbvf_dev_configure(struct rte_eth_dev *dev);
156 static int igbvf_dev_start(struct rte_eth_dev *dev);
157 static void igbvf_dev_stop(struct rte_eth_dev *dev);
158 static void igbvf_dev_close(struct rte_eth_dev *dev);
159 static void igbvf_promiscuous_enable(struct rte_eth_dev *dev);
160 static void igbvf_promiscuous_disable(struct rte_eth_dev *dev);
161 static void igbvf_allmulticast_enable(struct rte_eth_dev *dev);
162 static void igbvf_allmulticast_disable(struct rte_eth_dev *dev);
163 static int eth_igbvf_link_update(struct e1000_hw *hw);
164 static int eth_igbvf_stats_get(struct rte_eth_dev *dev,
165 				struct rte_eth_stats *rte_stats);
166 static int eth_igbvf_xstats_get(struct rte_eth_dev *dev,
167 				struct rte_eth_xstat *xstats, unsigned n);
168 static int eth_igbvf_xstats_get_names(struct rte_eth_dev *dev,
169 				      struct rte_eth_xstat_name *xstats_names,
170 				      unsigned limit);
171 static void eth_igbvf_stats_reset(struct rte_eth_dev *dev);
172 static int igbvf_vlan_filter_set(struct rte_eth_dev *dev,
173 		uint16_t vlan_id, int on);
174 static int igbvf_set_vfta(struct e1000_hw *hw, uint16_t vid, bool on);
175 static void igbvf_set_vfta_all(struct rte_eth_dev *dev, bool on);
176 static int igbvf_default_mac_addr_set(struct rte_eth_dev *dev,
177 		struct rte_ether_addr *addr);
178 static int igbvf_get_reg_length(struct rte_eth_dev *dev);
179 static int igbvf_get_regs(struct rte_eth_dev *dev,
180 		struct rte_dev_reg_info *regs);
181 
182 static int eth_igb_rss_reta_update(struct rte_eth_dev *dev,
183 				   struct rte_eth_rss_reta_entry64 *reta_conf,
184 				   uint16_t reta_size);
185 static int eth_igb_rss_reta_query(struct rte_eth_dev *dev,
186 				  struct rte_eth_rss_reta_entry64 *reta_conf,
187 				  uint16_t reta_size);
188 
189 static int eth_igb_syn_filter_get(struct rte_eth_dev *dev,
190 			struct rte_eth_syn_filter *filter);
191 static int eth_igb_syn_filter_handle(struct rte_eth_dev *dev,
192 			enum rte_filter_op filter_op,
193 			void *arg);
194 static int igb_add_2tuple_filter(struct rte_eth_dev *dev,
195 			struct rte_eth_ntuple_filter *ntuple_filter);
196 static int igb_remove_2tuple_filter(struct rte_eth_dev *dev,
197 			struct rte_eth_ntuple_filter *ntuple_filter);
198 static int eth_igb_get_flex_filter(struct rte_eth_dev *dev,
199 			struct rte_eth_flex_filter *filter);
200 static int eth_igb_flex_filter_handle(struct rte_eth_dev *dev,
201 			enum rte_filter_op filter_op,
202 			void *arg);
203 static int igb_add_5tuple_filter_82576(struct rte_eth_dev *dev,
204 			struct rte_eth_ntuple_filter *ntuple_filter);
205 static int igb_remove_5tuple_filter_82576(struct rte_eth_dev *dev,
206 			struct rte_eth_ntuple_filter *ntuple_filter);
207 static int igb_get_ntuple_filter(struct rte_eth_dev *dev,
208 			struct rte_eth_ntuple_filter *filter);
209 static int igb_ntuple_filter_handle(struct rte_eth_dev *dev,
210 				enum rte_filter_op filter_op,
211 				void *arg);
212 static int igb_ethertype_filter_handle(struct rte_eth_dev *dev,
213 				enum rte_filter_op filter_op,
214 				void *arg);
215 static int igb_get_ethertype_filter(struct rte_eth_dev *dev,
216 			struct rte_eth_ethertype_filter *filter);
217 static int eth_igb_filter_ctrl(struct rte_eth_dev *dev,
218 		     enum rte_filter_type filter_type,
219 		     enum rte_filter_op filter_op,
220 		     void *arg);
221 static int eth_igb_get_reg_length(struct rte_eth_dev *dev);
222 static int eth_igb_get_regs(struct rte_eth_dev *dev,
223 		struct rte_dev_reg_info *regs);
224 static int eth_igb_get_eeprom_length(struct rte_eth_dev *dev);
225 static int eth_igb_get_eeprom(struct rte_eth_dev *dev,
226 		struct rte_dev_eeprom_info *eeprom);
227 static int eth_igb_set_eeprom(struct rte_eth_dev *dev,
228 		struct rte_dev_eeprom_info *eeprom);
229 static int eth_igb_get_module_info(struct rte_eth_dev *dev,
230 				   struct rte_eth_dev_module_info *modinfo);
231 static int eth_igb_get_module_eeprom(struct rte_eth_dev *dev,
232 				     struct rte_dev_eeprom_info *info);
233 static int eth_igb_set_mc_addr_list(struct rte_eth_dev *dev,
234 				    struct rte_ether_addr *mc_addr_set,
235 				    uint32_t nb_mc_addr);
236 static int igb_timesync_enable(struct rte_eth_dev *dev);
237 static int igb_timesync_disable(struct rte_eth_dev *dev);
238 static int igb_timesync_read_rx_timestamp(struct rte_eth_dev *dev,
239 					  struct timespec *timestamp,
240 					  uint32_t flags);
241 static int igb_timesync_read_tx_timestamp(struct rte_eth_dev *dev,
242 					  struct timespec *timestamp);
243 static int igb_timesync_adjust_time(struct rte_eth_dev *dev, int64_t delta);
244 static int igb_timesync_read_time(struct rte_eth_dev *dev,
245 				  struct timespec *timestamp);
246 static int igb_timesync_write_time(struct rte_eth_dev *dev,
247 				   const struct timespec *timestamp);
248 static int eth_igb_rx_queue_intr_enable(struct rte_eth_dev *dev,
249 					uint16_t queue_id);
250 static int eth_igb_rx_queue_intr_disable(struct rte_eth_dev *dev,
251 					 uint16_t queue_id);
252 static void eth_igb_assign_msix_vector(struct e1000_hw *hw, int8_t direction,
253 				       uint8_t queue, uint8_t msix_vector);
254 static void eth_igb_write_ivar(struct e1000_hw *hw, uint8_t msix_vector,
255 			       uint8_t index, uint8_t offset);
256 static void eth_igb_configure_msix_intr(struct rte_eth_dev *dev);
257 static void eth_igbvf_interrupt_handler(void *param);
258 static void igbvf_mbx_process(struct rte_eth_dev *dev);
259 static int igb_filter_restore(struct rte_eth_dev *dev);
260 
261 /*
262  * Define VF Stats MACRO for Non "cleared on read" register
263  */
264 #define UPDATE_VF_STAT(reg, last, cur)            \
265 {                                                 \
266 	u32 latest = E1000_READ_REG(hw, reg);     \
267 	cur += (latest - last) & UINT_MAX;        \
268 	last = latest;                            \
269 }
270 
271 #define IGB_FC_PAUSE_TIME 0x0680
272 #define IGB_LINK_UPDATE_CHECK_TIMEOUT  90  /* 9s */
273 #define IGB_LINK_UPDATE_CHECK_INTERVAL 100 /* ms */
274 
275 #define IGBVF_PMD_NAME "rte_igbvf_pmd"     /* PMD name */
276 
277 static enum e1000_fc_mode igb_fc_setting = e1000_fc_full;
278 
279 /*
280  * The set of PCI devices this driver supports
281  */
282 static const struct rte_pci_id pci_id_igb_map[] = {
283 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82576) },
284 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82576_FIBER) },
285 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82576_SERDES) },
286 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82576_QUAD_COPPER) },
287 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82576_QUAD_COPPER_ET2) },
288 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82576_NS) },
289 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82576_NS_SERDES) },
290 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82576_SERDES_QUAD) },
291 
292 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82575EB_COPPER) },
293 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82575EB_FIBER_SERDES) },
294 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82575GB_QUAD_COPPER) },
295 
296 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82580_COPPER) },
297 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82580_FIBER) },
298 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82580_SERDES) },
299 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82580_SGMII) },
300 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82580_COPPER_DUAL) },
301 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82580_QUAD_FIBER) },
302 
303 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I350_COPPER) },
304 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I350_FIBER) },
305 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I350_SERDES) },
306 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I350_SGMII) },
307 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I350_DA4) },
308 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I210_COPPER) },
309 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I210_COPPER_OEM1) },
310 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I210_COPPER_IT) },
311 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I210_FIBER) },
312 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I210_SERDES) },
313 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I210_SGMII) },
314 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I210_COPPER_FLASHLESS) },
315 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I210_SERDES_FLASHLESS) },
316 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I211_COPPER) },
317 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I354_BACKPLANE_1GBPS) },
318 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I354_SGMII) },
319 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I354_BACKPLANE_2_5GBPS) },
320 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_DH89XXCC_SGMII) },
321 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_DH89XXCC_SERDES) },
322 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_DH89XXCC_BACKPLANE) },
323 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_DH89XXCC_SFP) },
324 	{ .vendor_id = 0, /* sentinel */ },
325 };
326 
327 /*
328  * The set of PCI devices this driver supports (for 82576&I350 VF)
329  */
330 static const struct rte_pci_id pci_id_igbvf_map[] = {
331 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82576_VF) },
332 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82576_VF_HV) },
333 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I350_VF) },
334 	{ RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I350_VF_HV) },
335 	{ .vendor_id = 0, /* sentinel */ },
336 };
337 
338 static const struct rte_eth_desc_lim rx_desc_lim = {
339 	.nb_max = E1000_MAX_RING_DESC,
340 	.nb_min = E1000_MIN_RING_DESC,
341 	.nb_align = IGB_RXD_ALIGN,
342 };
343 
344 static const struct rte_eth_desc_lim tx_desc_lim = {
345 	.nb_max = E1000_MAX_RING_DESC,
346 	.nb_min = E1000_MIN_RING_DESC,
347 	.nb_align = IGB_RXD_ALIGN,
348 	.nb_seg_max = IGB_TX_MAX_SEG,
349 	.nb_mtu_seg_max = IGB_TX_MAX_MTU_SEG,
350 };
351 
352 static const struct eth_dev_ops eth_igb_ops = {
353 	.dev_configure        = eth_igb_configure,
354 	.dev_start            = eth_igb_start,
355 	.dev_stop             = eth_igb_stop,
356 	.dev_set_link_up      = eth_igb_dev_set_link_up,
357 	.dev_set_link_down    = eth_igb_dev_set_link_down,
358 	.dev_close            = eth_igb_close,
359 	.dev_reset            = eth_igb_reset,
360 	.promiscuous_enable   = eth_igb_promiscuous_enable,
361 	.promiscuous_disable  = eth_igb_promiscuous_disable,
362 	.allmulticast_enable  = eth_igb_allmulticast_enable,
363 	.allmulticast_disable = eth_igb_allmulticast_disable,
364 	.link_update          = eth_igb_link_update,
365 	.stats_get            = eth_igb_stats_get,
366 	.xstats_get           = eth_igb_xstats_get,
367 	.xstats_get_by_id     = eth_igb_xstats_get_by_id,
368 	.xstats_get_names_by_id = eth_igb_xstats_get_names_by_id,
369 	.xstats_get_names     = eth_igb_xstats_get_names,
370 	.stats_reset          = eth_igb_stats_reset,
371 	.xstats_reset         = eth_igb_xstats_reset,
372 	.fw_version_get       = eth_igb_fw_version_get,
373 	.dev_infos_get        = eth_igb_infos_get,
374 	.dev_supported_ptypes_get = eth_igb_supported_ptypes_get,
375 	.mtu_set              = eth_igb_mtu_set,
376 	.vlan_filter_set      = eth_igb_vlan_filter_set,
377 	.vlan_tpid_set        = eth_igb_vlan_tpid_set,
378 	.vlan_offload_set     = eth_igb_vlan_offload_set,
379 	.rx_queue_setup       = eth_igb_rx_queue_setup,
380 	.rx_queue_intr_enable = eth_igb_rx_queue_intr_enable,
381 	.rx_queue_intr_disable = eth_igb_rx_queue_intr_disable,
382 	.rx_queue_release     = eth_igb_rx_queue_release,
383 	.rx_queue_count       = eth_igb_rx_queue_count,
384 	.rx_descriptor_done   = eth_igb_rx_descriptor_done,
385 	.rx_descriptor_status = eth_igb_rx_descriptor_status,
386 	.tx_descriptor_status = eth_igb_tx_descriptor_status,
387 	.tx_queue_setup       = eth_igb_tx_queue_setup,
388 	.tx_queue_release     = eth_igb_tx_queue_release,
389 	.tx_done_cleanup      = eth_igb_tx_done_cleanup,
390 	.dev_led_on           = eth_igb_led_on,
391 	.dev_led_off          = eth_igb_led_off,
392 	.flow_ctrl_get        = eth_igb_flow_ctrl_get,
393 	.flow_ctrl_set        = eth_igb_flow_ctrl_set,
394 	.mac_addr_add         = eth_igb_rar_set,
395 	.mac_addr_remove      = eth_igb_rar_clear,
396 	.mac_addr_set         = eth_igb_default_mac_addr_set,
397 	.reta_update          = eth_igb_rss_reta_update,
398 	.reta_query           = eth_igb_rss_reta_query,
399 	.rss_hash_update      = eth_igb_rss_hash_update,
400 	.rss_hash_conf_get    = eth_igb_rss_hash_conf_get,
401 	.filter_ctrl          = eth_igb_filter_ctrl,
402 	.set_mc_addr_list     = eth_igb_set_mc_addr_list,
403 	.rxq_info_get         = igb_rxq_info_get,
404 	.txq_info_get         = igb_txq_info_get,
405 	.timesync_enable      = igb_timesync_enable,
406 	.timesync_disable     = igb_timesync_disable,
407 	.timesync_read_rx_timestamp = igb_timesync_read_rx_timestamp,
408 	.timesync_read_tx_timestamp = igb_timesync_read_tx_timestamp,
409 	.get_reg              = eth_igb_get_regs,
410 	.get_eeprom_length    = eth_igb_get_eeprom_length,
411 	.get_eeprom           = eth_igb_get_eeprom,
412 	.set_eeprom           = eth_igb_set_eeprom,
413 	.get_module_info      = eth_igb_get_module_info,
414 	.get_module_eeprom    = eth_igb_get_module_eeprom,
415 	.timesync_adjust_time = igb_timesync_adjust_time,
416 	.timesync_read_time   = igb_timesync_read_time,
417 	.timesync_write_time  = igb_timesync_write_time,
418 };
419 
420 /*
421  * dev_ops for virtual function, bare necessities for basic vf
422  * operation have been implemented
423  */
424 static const struct eth_dev_ops igbvf_eth_dev_ops = {
425 	.dev_configure        = igbvf_dev_configure,
426 	.dev_start            = igbvf_dev_start,
427 	.dev_stop             = igbvf_dev_stop,
428 	.dev_close            = igbvf_dev_close,
429 	.promiscuous_enable   = igbvf_promiscuous_enable,
430 	.promiscuous_disable  = igbvf_promiscuous_disable,
431 	.allmulticast_enable  = igbvf_allmulticast_enable,
432 	.allmulticast_disable = igbvf_allmulticast_disable,
433 	.link_update          = eth_igb_link_update,
434 	.stats_get            = eth_igbvf_stats_get,
435 	.xstats_get           = eth_igbvf_xstats_get,
436 	.xstats_get_names     = eth_igbvf_xstats_get_names,
437 	.stats_reset          = eth_igbvf_stats_reset,
438 	.xstats_reset         = eth_igbvf_stats_reset,
439 	.vlan_filter_set      = igbvf_vlan_filter_set,
440 	.dev_infos_get        = eth_igbvf_infos_get,
441 	.dev_supported_ptypes_get = eth_igb_supported_ptypes_get,
442 	.rx_queue_setup       = eth_igb_rx_queue_setup,
443 	.rx_queue_release     = eth_igb_rx_queue_release,
444 	.rx_descriptor_done   = eth_igb_rx_descriptor_done,
445 	.rx_descriptor_status = eth_igb_rx_descriptor_status,
446 	.tx_descriptor_status = eth_igb_tx_descriptor_status,
447 	.tx_queue_setup       = eth_igb_tx_queue_setup,
448 	.tx_queue_release     = eth_igb_tx_queue_release,
449 	.set_mc_addr_list     = eth_igb_set_mc_addr_list,
450 	.rxq_info_get         = igb_rxq_info_get,
451 	.txq_info_get         = igb_txq_info_get,
452 	.mac_addr_set         = igbvf_default_mac_addr_set,
453 	.get_reg              = igbvf_get_regs,
454 };
455 
456 /* store statistics names and its offset in stats structure */
457 struct rte_igb_xstats_name_off {
458 	char name[RTE_ETH_XSTATS_NAME_SIZE];
459 	unsigned offset;
460 };
461 
462 static const struct rte_igb_xstats_name_off rte_igb_stats_strings[] = {
463 	{"rx_crc_errors", offsetof(struct e1000_hw_stats, crcerrs)},
464 	{"rx_align_errors", offsetof(struct e1000_hw_stats, algnerrc)},
465 	{"rx_symbol_errors", offsetof(struct e1000_hw_stats, symerrs)},
466 	{"rx_missed_packets", offsetof(struct e1000_hw_stats, mpc)},
467 	{"tx_single_collision_packets", offsetof(struct e1000_hw_stats, scc)},
468 	{"tx_multiple_collision_packets", offsetof(struct e1000_hw_stats, mcc)},
469 	{"tx_excessive_collision_packets", offsetof(struct e1000_hw_stats,
470 		ecol)},
471 	{"tx_late_collisions", offsetof(struct e1000_hw_stats, latecol)},
472 	{"tx_total_collisions", offsetof(struct e1000_hw_stats, colc)},
473 	{"tx_deferred_packets", offsetof(struct e1000_hw_stats, dc)},
474 	{"tx_no_carrier_sense_packets", offsetof(struct e1000_hw_stats, tncrs)},
475 	{"rx_carrier_ext_errors", offsetof(struct e1000_hw_stats, cexterr)},
476 	{"rx_length_errors", offsetof(struct e1000_hw_stats, rlec)},
477 	{"rx_xon_packets", offsetof(struct e1000_hw_stats, xonrxc)},
478 	{"tx_xon_packets", offsetof(struct e1000_hw_stats, xontxc)},
479 	{"rx_xoff_packets", offsetof(struct e1000_hw_stats, xoffrxc)},
480 	{"tx_xoff_packets", offsetof(struct e1000_hw_stats, xofftxc)},
481 	{"rx_flow_control_unsupported_packets", offsetof(struct e1000_hw_stats,
482 		fcruc)},
483 	{"rx_size_64_packets", offsetof(struct e1000_hw_stats, prc64)},
484 	{"rx_size_65_to_127_packets", offsetof(struct e1000_hw_stats, prc127)},
485 	{"rx_size_128_to_255_packets", offsetof(struct e1000_hw_stats, prc255)},
486 	{"rx_size_256_to_511_packets", offsetof(struct e1000_hw_stats, prc511)},
487 	{"rx_size_512_to_1023_packets", offsetof(struct e1000_hw_stats,
488 		prc1023)},
489 	{"rx_size_1024_to_max_packets", offsetof(struct e1000_hw_stats,
490 		prc1522)},
491 	{"rx_broadcast_packets", offsetof(struct e1000_hw_stats, bprc)},
492 	{"rx_multicast_packets", offsetof(struct e1000_hw_stats, mprc)},
493 	{"rx_undersize_errors", offsetof(struct e1000_hw_stats, ruc)},
494 	{"rx_fragment_errors", offsetof(struct e1000_hw_stats, rfc)},
495 	{"rx_oversize_errors", offsetof(struct e1000_hw_stats, roc)},
496 	{"rx_jabber_errors", offsetof(struct e1000_hw_stats, rjc)},
497 	{"rx_management_packets", offsetof(struct e1000_hw_stats, mgprc)},
498 	{"rx_management_dropped", offsetof(struct e1000_hw_stats, mgpdc)},
499 	{"tx_management_packets", offsetof(struct e1000_hw_stats, mgptc)},
500 	{"rx_total_packets", offsetof(struct e1000_hw_stats, tpr)},
501 	{"tx_total_packets", offsetof(struct e1000_hw_stats, tpt)},
502 	{"rx_total_bytes", offsetof(struct e1000_hw_stats, tor)},
503 	{"tx_total_bytes", offsetof(struct e1000_hw_stats, tot)},
504 	{"tx_size_64_packets", offsetof(struct e1000_hw_stats, ptc64)},
505 	{"tx_size_65_to_127_packets", offsetof(struct e1000_hw_stats, ptc127)},
506 	{"tx_size_128_to_255_packets", offsetof(struct e1000_hw_stats, ptc255)},
507 	{"tx_size_256_to_511_packets", offsetof(struct e1000_hw_stats, ptc511)},
508 	{"tx_size_512_to_1023_packets", offsetof(struct e1000_hw_stats,
509 		ptc1023)},
510 	{"tx_size_1023_to_max_packets", offsetof(struct e1000_hw_stats,
511 		ptc1522)},
512 	{"tx_multicast_packets", offsetof(struct e1000_hw_stats, mptc)},
513 	{"tx_broadcast_packets", offsetof(struct e1000_hw_stats, bptc)},
514 	{"tx_tso_packets", offsetof(struct e1000_hw_stats, tsctc)},
515 	{"tx_tso_errors", offsetof(struct e1000_hw_stats, tsctfc)},
516 	{"rx_sent_to_host_packets", offsetof(struct e1000_hw_stats, rpthc)},
517 	{"tx_sent_by_host_packets", offsetof(struct e1000_hw_stats, hgptc)},
518 	{"rx_code_violation_packets", offsetof(struct e1000_hw_stats, scvpc)},
519 
520 	{"interrupt_assert_count", offsetof(struct e1000_hw_stats, iac)},
521 };
522 
523 #define IGB_NB_XSTATS (sizeof(rte_igb_stats_strings) / \
524 		sizeof(rte_igb_stats_strings[0]))
525 
526 static const struct rte_igb_xstats_name_off rte_igbvf_stats_strings[] = {
527 	{"rx_multicast_packets", offsetof(struct e1000_vf_stats, mprc)},
528 	{"rx_good_loopback_packets", offsetof(struct e1000_vf_stats, gprlbc)},
529 	{"tx_good_loopback_packets", offsetof(struct e1000_vf_stats, gptlbc)},
530 	{"rx_good_loopback_bytes", offsetof(struct e1000_vf_stats, gorlbc)},
531 	{"tx_good_loopback_bytes", offsetof(struct e1000_vf_stats, gotlbc)},
532 };
533 
534 #define IGBVF_NB_XSTATS (sizeof(rte_igbvf_stats_strings) / \
535 		sizeof(rte_igbvf_stats_strings[0]))
536 
537 
538 static inline void
539 igb_intr_enable(struct rte_eth_dev *dev)
540 {
541 	struct e1000_interrupt *intr =
542 		E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
543 	struct e1000_hw *hw =
544 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
545 	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
546 	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
547 
548 	if (rte_intr_allow_others(intr_handle) &&
549 		dev->data->dev_conf.intr_conf.lsc != 0) {
550 		E1000_WRITE_REG(hw, E1000_EIMS, 1 << IGB_MSIX_OTHER_INTR_VEC);
551 	}
552 
553 	E1000_WRITE_REG(hw, E1000_IMS, intr->mask);
554 	E1000_WRITE_FLUSH(hw);
555 }
556 
557 static void
558 igb_intr_disable(struct rte_eth_dev *dev)
559 {
560 	struct e1000_hw *hw =
561 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
562 	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
563 	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
564 
565 	if (rte_intr_allow_others(intr_handle) &&
566 		dev->data->dev_conf.intr_conf.lsc != 0) {
567 		E1000_WRITE_REG(hw, E1000_EIMC, 1 << IGB_MSIX_OTHER_INTR_VEC);
568 	}
569 
570 	E1000_WRITE_REG(hw, E1000_IMC, ~0);
571 	E1000_WRITE_FLUSH(hw);
572 }
573 
574 static inline void
575 igbvf_intr_enable(struct rte_eth_dev *dev)
576 {
577 	struct e1000_hw *hw =
578 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
579 
580 	/* only for mailbox */
581 	E1000_WRITE_REG(hw, E1000_EIAM, 1 << E1000_VTIVAR_MISC_MAILBOX);
582 	E1000_WRITE_REG(hw, E1000_EIAC, 1 << E1000_VTIVAR_MISC_MAILBOX);
583 	E1000_WRITE_REG(hw, E1000_EIMS, 1 << E1000_VTIVAR_MISC_MAILBOX);
584 	E1000_WRITE_FLUSH(hw);
585 }
586 
587 /* only for mailbox now. If RX/TX needed, should extend this function.  */
588 static void
589 igbvf_set_ivar_map(struct e1000_hw *hw, uint8_t msix_vector)
590 {
591 	uint32_t tmp = 0;
592 
593 	/* mailbox */
594 	tmp |= (msix_vector & E1000_VTIVAR_MISC_INTR_MASK);
595 	tmp |= E1000_VTIVAR_VALID;
596 	E1000_WRITE_REG(hw, E1000_VTIVAR_MISC, tmp);
597 }
598 
599 static void
600 eth_igbvf_configure_msix_intr(struct rte_eth_dev *dev)
601 {
602 	struct e1000_hw *hw =
603 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
604 
605 	/* Configure VF other cause ivar */
606 	igbvf_set_ivar_map(hw, E1000_VTIVAR_MISC_MAILBOX);
607 }
608 
609 static inline int32_t
610 igb_pf_reset_hw(struct e1000_hw *hw)
611 {
612 	uint32_t ctrl_ext;
613 	int32_t status;
614 
615 	status = e1000_reset_hw(hw);
616 
617 	ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
618 	/* Set PF Reset Done bit so PF/VF Mail Ops can work */
619 	ctrl_ext |= E1000_CTRL_EXT_PFRSTD;
620 	E1000_WRITE_REG(hw, E1000_CTRL_EXT, ctrl_ext);
621 	E1000_WRITE_FLUSH(hw);
622 
623 	return status;
624 }
625 
626 static void
627 igb_identify_hardware(struct rte_eth_dev *dev, struct rte_pci_device *pci_dev)
628 {
629 	struct e1000_hw *hw =
630 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
631 
632 
633 	hw->vendor_id = pci_dev->id.vendor_id;
634 	hw->device_id = pci_dev->id.device_id;
635 	hw->subsystem_vendor_id = pci_dev->id.subsystem_vendor_id;
636 	hw->subsystem_device_id = pci_dev->id.subsystem_device_id;
637 
638 	e1000_set_mac_type(hw);
639 
640 	/* need to check if it is a vf device below */
641 }
642 
643 static int
644 igb_reset_swfw_lock(struct e1000_hw *hw)
645 {
646 	int ret_val;
647 
648 	/*
649 	 * Do mac ops initialization manually here, since we will need
650 	 * some function pointers set by this call.
651 	 */
652 	ret_val = e1000_init_mac_params(hw);
653 	if (ret_val)
654 		return ret_val;
655 
656 	/*
657 	 * SMBI lock should not fail in this early stage. If this is the case,
658 	 * it is due to an improper exit of the application.
659 	 * So force the release of the faulty lock.
660 	 */
661 	if (e1000_get_hw_semaphore_generic(hw) < 0) {
662 		PMD_DRV_LOG(DEBUG, "SMBI lock released");
663 	}
664 	e1000_put_hw_semaphore_generic(hw);
665 
666 	if (hw->mac.ops.acquire_swfw_sync != NULL) {
667 		uint16_t mask;
668 
669 		/*
670 		 * Phy lock should not fail in this early stage. If this is the case,
671 		 * it is due to an improper exit of the application.
672 		 * So force the release of the faulty lock.
673 		 */
674 		mask = E1000_SWFW_PHY0_SM << hw->bus.func;
675 		if (hw->bus.func > E1000_FUNC_1)
676 			mask <<= 2;
677 		if (hw->mac.ops.acquire_swfw_sync(hw, mask) < 0) {
678 			PMD_DRV_LOG(DEBUG, "SWFW phy%d lock released",
679 				    hw->bus.func);
680 		}
681 		hw->mac.ops.release_swfw_sync(hw, mask);
682 
683 		/*
684 		 * This one is more tricky since it is common to all ports; but
685 		 * swfw_sync retries last long enough (1s) to be almost sure that if
686 		 * lock can not be taken it is due to an improper lock of the
687 		 * semaphore.
688 		 */
689 		mask = E1000_SWFW_EEP_SM;
690 		if (hw->mac.ops.acquire_swfw_sync(hw, mask) < 0) {
691 			PMD_DRV_LOG(DEBUG, "SWFW common locks released");
692 		}
693 		hw->mac.ops.release_swfw_sync(hw, mask);
694 	}
695 
696 	return E1000_SUCCESS;
697 }
698 
699 /* Remove all ntuple filters of the device */
700 static int igb_ntuple_filter_uninit(struct rte_eth_dev *eth_dev)
701 {
702 	struct e1000_filter_info *filter_info =
703 		E1000_DEV_PRIVATE_TO_FILTER_INFO(eth_dev->data->dev_private);
704 	struct e1000_5tuple_filter *p_5tuple;
705 	struct e1000_2tuple_filter *p_2tuple;
706 
707 	while ((p_5tuple = TAILQ_FIRST(&filter_info->fivetuple_list))) {
708 		TAILQ_REMOVE(&filter_info->fivetuple_list,
709 			p_5tuple, entries);
710 			rte_free(p_5tuple);
711 	}
712 	filter_info->fivetuple_mask = 0;
713 	while ((p_2tuple = TAILQ_FIRST(&filter_info->twotuple_list))) {
714 		TAILQ_REMOVE(&filter_info->twotuple_list,
715 			p_2tuple, entries);
716 			rte_free(p_2tuple);
717 	}
718 	filter_info->twotuple_mask = 0;
719 
720 	return 0;
721 }
722 
723 /* Remove all flex filters of the device */
724 static int igb_flex_filter_uninit(struct rte_eth_dev *eth_dev)
725 {
726 	struct e1000_filter_info *filter_info =
727 		E1000_DEV_PRIVATE_TO_FILTER_INFO(eth_dev->data->dev_private);
728 	struct e1000_flex_filter *p_flex;
729 
730 	while ((p_flex = TAILQ_FIRST(&filter_info->flex_list))) {
731 		TAILQ_REMOVE(&filter_info->flex_list, p_flex, entries);
732 		rte_free(p_flex);
733 	}
734 	filter_info->flex_mask = 0;
735 
736 	return 0;
737 }
738 
739 static int
740 eth_igb_dev_init(struct rte_eth_dev *eth_dev)
741 {
742 	int error = 0;
743 	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
744 	struct e1000_hw *hw =
745 		E1000_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
746 	struct e1000_vfta * shadow_vfta =
747 		E1000_DEV_PRIVATE_TO_VFTA(eth_dev->data->dev_private);
748 	struct e1000_filter_info *filter_info =
749 		E1000_DEV_PRIVATE_TO_FILTER_INFO(eth_dev->data->dev_private);
750 	struct e1000_adapter *adapter =
751 		E1000_DEV_PRIVATE(eth_dev->data->dev_private);
752 
753 	uint32_t ctrl_ext;
754 
755 	eth_dev->dev_ops = &eth_igb_ops;
756 	eth_dev->rx_pkt_burst = &eth_igb_recv_pkts;
757 	eth_dev->tx_pkt_burst = &eth_igb_xmit_pkts;
758 	eth_dev->tx_pkt_prepare = &eth_igb_prep_pkts;
759 
760 	/* for secondary processes, we don't initialise any further as primary
761 	 * has already done this work. Only check we don't need a different
762 	 * RX function */
763 	if (rte_eal_process_type() != RTE_PROC_PRIMARY){
764 		if (eth_dev->data->scattered_rx)
765 			eth_dev->rx_pkt_burst = &eth_igb_recv_scattered_pkts;
766 		return 0;
767 	}
768 
769 	rte_eth_copy_pci_info(eth_dev, pci_dev);
770 
771 	hw->hw_addr= (void *)pci_dev->mem_resource[0].addr;
772 
773 	igb_identify_hardware(eth_dev, pci_dev);
774 	if (e1000_setup_init_funcs(hw, FALSE) != E1000_SUCCESS) {
775 		error = -EIO;
776 		goto err_late;
777 	}
778 
779 	e1000_get_bus_info(hw);
780 
781 	/* Reset any pending lock */
782 	if (igb_reset_swfw_lock(hw) != E1000_SUCCESS) {
783 		error = -EIO;
784 		goto err_late;
785 	}
786 
787 	/* Finish initialization */
788 	if (e1000_setup_init_funcs(hw, TRUE) != E1000_SUCCESS) {
789 		error = -EIO;
790 		goto err_late;
791 	}
792 
793 	hw->mac.autoneg = 1;
794 	hw->phy.autoneg_wait_to_complete = 0;
795 	hw->phy.autoneg_advertised = E1000_ALL_SPEED_DUPLEX;
796 
797 	/* Copper options */
798 	if (hw->phy.media_type == e1000_media_type_copper) {
799 		hw->phy.mdix = 0; /* AUTO_ALL_MODES */
800 		hw->phy.disable_polarity_correction = 0;
801 		hw->phy.ms_type = e1000_ms_hw_default;
802 	}
803 
804 	/*
805 	 * Start from a known state, this is important in reading the nvm
806 	 * and mac from that.
807 	 */
808 	igb_pf_reset_hw(hw);
809 
810 	/* Make sure we have a good EEPROM before we read from it */
811 	if (e1000_validate_nvm_checksum(hw) < 0) {
812 		/*
813 		 * Some PCI-E parts fail the first check due to
814 		 * the link being in sleep state, call it again,
815 		 * if it fails a second time its a real issue.
816 		 */
817 		if (e1000_validate_nvm_checksum(hw) < 0) {
818 			PMD_INIT_LOG(ERR, "EEPROM checksum invalid");
819 			error = -EIO;
820 			goto err_late;
821 		}
822 	}
823 
824 	/* Read the permanent MAC address out of the EEPROM */
825 	if (e1000_read_mac_addr(hw) != 0) {
826 		PMD_INIT_LOG(ERR, "EEPROM error while reading MAC address");
827 		error = -EIO;
828 		goto err_late;
829 	}
830 
831 	/* Allocate memory for storing MAC addresses */
832 	eth_dev->data->mac_addrs = rte_zmalloc("e1000",
833 		RTE_ETHER_ADDR_LEN * hw->mac.rar_entry_count, 0);
834 	if (eth_dev->data->mac_addrs == NULL) {
835 		PMD_INIT_LOG(ERR, "Failed to allocate %d bytes needed to "
836 						"store MAC addresses",
837 				RTE_ETHER_ADDR_LEN * hw->mac.rar_entry_count);
838 		error = -ENOMEM;
839 		goto err_late;
840 	}
841 
842 	/* Copy the permanent MAC address */
843 	rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.addr,
844 			&eth_dev->data->mac_addrs[0]);
845 
846 	/* initialize the vfta */
847 	memset(shadow_vfta, 0, sizeof(*shadow_vfta));
848 
849 	/* Now initialize the hardware */
850 	if (igb_hardware_init(hw) != 0) {
851 		PMD_INIT_LOG(ERR, "Hardware initialization failed");
852 		rte_free(eth_dev->data->mac_addrs);
853 		eth_dev->data->mac_addrs = NULL;
854 		error = -ENODEV;
855 		goto err_late;
856 	}
857 	hw->mac.get_link_status = 1;
858 	adapter->stopped = 0;
859 
860 	/* Indicate SOL/IDER usage */
861 	if (e1000_check_reset_block(hw) < 0) {
862 		PMD_INIT_LOG(ERR, "PHY reset is blocked due to"
863 					"SOL/IDER session");
864 	}
865 
866 	/* initialize PF if max_vfs not zero */
867 	igb_pf_host_init(eth_dev);
868 
869 	ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
870 	/* Set PF Reset Done bit so PF/VF Mail Ops can work */
871 	ctrl_ext |= E1000_CTRL_EXT_PFRSTD;
872 	E1000_WRITE_REG(hw, E1000_CTRL_EXT, ctrl_ext);
873 	E1000_WRITE_FLUSH(hw);
874 
875 	PMD_INIT_LOG(DEBUG, "port_id %d vendorID=0x%x deviceID=0x%x",
876 		     eth_dev->data->port_id, pci_dev->id.vendor_id,
877 		     pci_dev->id.device_id);
878 
879 	rte_intr_callback_register(&pci_dev->intr_handle,
880 				   eth_igb_interrupt_handler,
881 				   (void *)eth_dev);
882 
883 	/* enable uio/vfio intr/eventfd mapping */
884 	rte_intr_enable(&pci_dev->intr_handle);
885 
886 	/* enable support intr */
887 	igb_intr_enable(eth_dev);
888 
889 	/* initialize filter info */
890 	memset(filter_info, 0,
891 	       sizeof(struct e1000_filter_info));
892 
893 	TAILQ_INIT(&filter_info->flex_list);
894 	TAILQ_INIT(&filter_info->twotuple_list);
895 	TAILQ_INIT(&filter_info->fivetuple_list);
896 
897 	TAILQ_INIT(&igb_filter_ntuple_list);
898 	TAILQ_INIT(&igb_filter_ethertype_list);
899 	TAILQ_INIT(&igb_filter_syn_list);
900 	TAILQ_INIT(&igb_filter_flex_list);
901 	TAILQ_INIT(&igb_filter_rss_list);
902 	TAILQ_INIT(&igb_flow_list);
903 
904 	return 0;
905 
906 err_late:
907 	igb_hw_control_release(hw);
908 
909 	return error;
910 }
911 
912 static int
913 eth_igb_dev_uninit(struct rte_eth_dev *eth_dev)
914 {
915 	struct rte_pci_device *pci_dev;
916 	struct rte_intr_handle *intr_handle;
917 	struct e1000_hw *hw;
918 	struct e1000_adapter *adapter =
919 		E1000_DEV_PRIVATE(eth_dev->data->dev_private);
920 	struct e1000_filter_info *filter_info =
921 		E1000_DEV_PRIVATE_TO_FILTER_INFO(eth_dev->data->dev_private);
922 
923 	PMD_INIT_FUNC_TRACE();
924 
925 	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
926 		return -EPERM;
927 
928 	hw = E1000_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
929 	pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
930 	intr_handle = &pci_dev->intr_handle;
931 
932 	if (adapter->stopped == 0)
933 		eth_igb_close(eth_dev);
934 
935 	eth_dev->dev_ops = NULL;
936 	eth_dev->rx_pkt_burst = NULL;
937 	eth_dev->tx_pkt_burst = NULL;
938 
939 	/* Reset any pending lock */
940 	igb_reset_swfw_lock(hw);
941 
942 	/* uninitialize PF if max_vfs not zero */
943 	igb_pf_host_uninit(eth_dev);
944 
945 	/* disable uio intr before callback unregister */
946 	rte_intr_disable(intr_handle);
947 	rte_intr_callback_unregister(intr_handle,
948 				     eth_igb_interrupt_handler, eth_dev);
949 
950 	/* clear the SYN filter info */
951 	filter_info->syn_info = 0;
952 
953 	/* clear the ethertype filters info */
954 	filter_info->ethertype_mask = 0;
955 	memset(filter_info->ethertype_filters, 0,
956 		E1000_MAX_ETQF_FILTERS * sizeof(struct igb_ethertype_filter));
957 
958 	/* clear the rss filter info */
959 	memset(&filter_info->rss_info, 0,
960 		sizeof(struct igb_rte_flow_rss_conf));
961 
962 	/* remove all ntuple filters of the device */
963 	igb_ntuple_filter_uninit(eth_dev);
964 
965 	/* remove all flex filters of the device */
966 	igb_flex_filter_uninit(eth_dev);
967 
968 	/* clear all the filters list */
969 	igb_filterlist_flush(eth_dev);
970 
971 	return 0;
972 }
973 
974 /*
975  * Virtual Function device init
976  */
977 static int
978 eth_igbvf_dev_init(struct rte_eth_dev *eth_dev)
979 {
980 	struct rte_pci_device *pci_dev;
981 	struct rte_intr_handle *intr_handle;
982 	struct e1000_adapter *adapter =
983 		E1000_DEV_PRIVATE(eth_dev->data->dev_private);
984 	struct e1000_hw *hw =
985 		E1000_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
986 	int diag;
987 	struct rte_ether_addr *perm_addr =
988 		(struct rte_ether_addr *)hw->mac.perm_addr;
989 
990 	PMD_INIT_FUNC_TRACE();
991 
992 	eth_dev->dev_ops = &igbvf_eth_dev_ops;
993 	eth_dev->rx_pkt_burst = &eth_igb_recv_pkts;
994 	eth_dev->tx_pkt_burst = &eth_igb_xmit_pkts;
995 	eth_dev->tx_pkt_prepare = &eth_igb_prep_pkts;
996 
997 	/* for secondary processes, we don't initialise any further as primary
998 	 * has already done this work. Only check we don't need a different
999 	 * RX function */
1000 	if (rte_eal_process_type() != RTE_PROC_PRIMARY){
1001 		if (eth_dev->data->scattered_rx)
1002 			eth_dev->rx_pkt_burst = &eth_igb_recv_scattered_pkts;
1003 		return 0;
1004 	}
1005 
1006 	pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
1007 	rte_eth_copy_pci_info(eth_dev, pci_dev);
1008 
1009 	hw->device_id = pci_dev->id.device_id;
1010 	hw->vendor_id = pci_dev->id.vendor_id;
1011 	hw->hw_addr = (void *)pci_dev->mem_resource[0].addr;
1012 	adapter->stopped = 0;
1013 
1014 	/* Initialize the shared code (base driver) */
1015 	diag = e1000_setup_init_funcs(hw, TRUE);
1016 	if (diag != 0) {
1017 		PMD_INIT_LOG(ERR, "Shared code init failed for igbvf: %d",
1018 			diag);
1019 		return -EIO;
1020 	}
1021 
1022 	/* init_mailbox_params */
1023 	hw->mbx.ops.init_params(hw);
1024 
1025 	/* Disable the interrupts for VF */
1026 	igbvf_intr_disable(hw);
1027 
1028 	diag = hw->mac.ops.reset_hw(hw);
1029 
1030 	/* Allocate memory for storing MAC addresses */
1031 	eth_dev->data->mac_addrs = rte_zmalloc("igbvf", RTE_ETHER_ADDR_LEN *
1032 		hw->mac.rar_entry_count, 0);
1033 	if (eth_dev->data->mac_addrs == NULL) {
1034 		PMD_INIT_LOG(ERR,
1035 			"Failed to allocate %d bytes needed to store MAC "
1036 			"addresses",
1037 			RTE_ETHER_ADDR_LEN * hw->mac.rar_entry_count);
1038 		return -ENOMEM;
1039 	}
1040 
1041 	/* Generate a random MAC address, if none was assigned by PF. */
1042 	if (rte_is_zero_ether_addr(perm_addr)) {
1043 		rte_eth_random_addr(perm_addr->addr_bytes);
1044 		PMD_INIT_LOG(INFO, "\tVF MAC address not assigned by Host PF");
1045 		PMD_INIT_LOG(INFO, "\tAssign randomly generated MAC address "
1046 			     "%02x:%02x:%02x:%02x:%02x:%02x",
1047 			     perm_addr->addr_bytes[0],
1048 			     perm_addr->addr_bytes[1],
1049 			     perm_addr->addr_bytes[2],
1050 			     perm_addr->addr_bytes[3],
1051 			     perm_addr->addr_bytes[4],
1052 			     perm_addr->addr_bytes[5]);
1053 	}
1054 
1055 	diag = e1000_rar_set(hw, perm_addr->addr_bytes, 0);
1056 	if (diag) {
1057 		rte_free(eth_dev->data->mac_addrs);
1058 		eth_dev->data->mac_addrs = NULL;
1059 		return diag;
1060 	}
1061 	/* Copy the permanent MAC address */
1062 	rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.perm_addr,
1063 			&eth_dev->data->mac_addrs[0]);
1064 
1065 	PMD_INIT_LOG(DEBUG, "port %d vendorID=0x%x deviceID=0x%x "
1066 		     "mac.type=%s",
1067 		     eth_dev->data->port_id, pci_dev->id.vendor_id,
1068 		     pci_dev->id.device_id, "igb_mac_82576_vf");
1069 
1070 	intr_handle = &pci_dev->intr_handle;
1071 	rte_intr_callback_register(intr_handle,
1072 				   eth_igbvf_interrupt_handler, eth_dev);
1073 
1074 	return 0;
1075 }
1076 
1077 static int
1078 eth_igbvf_dev_uninit(struct rte_eth_dev *eth_dev)
1079 {
1080 	struct e1000_adapter *adapter =
1081 		E1000_DEV_PRIVATE(eth_dev->data->dev_private);
1082 	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
1083 
1084 	PMD_INIT_FUNC_TRACE();
1085 
1086 	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1087 		return -EPERM;
1088 
1089 	if (adapter->stopped == 0)
1090 		igbvf_dev_close(eth_dev);
1091 
1092 	eth_dev->dev_ops = NULL;
1093 	eth_dev->rx_pkt_burst = NULL;
1094 	eth_dev->tx_pkt_burst = NULL;
1095 
1096 	/* disable uio intr before callback unregister */
1097 	rte_intr_disable(&pci_dev->intr_handle);
1098 	rte_intr_callback_unregister(&pci_dev->intr_handle,
1099 				     eth_igbvf_interrupt_handler,
1100 				     (void *)eth_dev);
1101 
1102 	return 0;
1103 }
1104 
1105 static int eth_igb_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1106 	struct rte_pci_device *pci_dev)
1107 {
1108 	return rte_eth_dev_pci_generic_probe(pci_dev,
1109 		sizeof(struct e1000_adapter), eth_igb_dev_init);
1110 }
1111 
1112 static int eth_igb_pci_remove(struct rte_pci_device *pci_dev)
1113 {
1114 	return rte_eth_dev_pci_generic_remove(pci_dev, eth_igb_dev_uninit);
1115 }
1116 
1117 static struct rte_pci_driver rte_igb_pmd = {
1118 	.id_table = pci_id_igb_map,
1119 	.drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
1120 	.probe = eth_igb_pci_probe,
1121 	.remove = eth_igb_pci_remove,
1122 };
1123 
1124 
1125 static int eth_igbvf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1126 	struct rte_pci_device *pci_dev)
1127 {
1128 	return rte_eth_dev_pci_generic_probe(pci_dev,
1129 		sizeof(struct e1000_adapter), eth_igbvf_dev_init);
1130 }
1131 
1132 static int eth_igbvf_pci_remove(struct rte_pci_device *pci_dev)
1133 {
1134 	return rte_eth_dev_pci_generic_remove(pci_dev, eth_igbvf_dev_uninit);
1135 }
1136 
1137 /*
1138  * virtual function driver struct
1139  */
1140 static struct rte_pci_driver rte_igbvf_pmd = {
1141 	.id_table = pci_id_igbvf_map,
1142 	.drv_flags = RTE_PCI_DRV_NEED_MAPPING,
1143 	.probe = eth_igbvf_pci_probe,
1144 	.remove = eth_igbvf_pci_remove,
1145 };
1146 
1147 static void
1148 igb_vmdq_vlan_hw_filter_enable(struct rte_eth_dev *dev)
1149 {
1150 	struct e1000_hw *hw =
1151 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1152 	/* RCTL: enable VLAN filter since VMDq always use VLAN filter */
1153 	uint32_t rctl = E1000_READ_REG(hw, E1000_RCTL);
1154 	rctl |= E1000_RCTL_VFE;
1155 	E1000_WRITE_REG(hw, E1000_RCTL, rctl);
1156 }
1157 
1158 static int
1159 igb_check_mq_mode(struct rte_eth_dev *dev)
1160 {
1161 	enum rte_eth_rx_mq_mode rx_mq_mode = dev->data->dev_conf.rxmode.mq_mode;
1162 	enum rte_eth_tx_mq_mode tx_mq_mode = dev->data->dev_conf.txmode.mq_mode;
1163 	uint16_t nb_rx_q = dev->data->nb_rx_queues;
1164 	uint16_t nb_tx_q = dev->data->nb_tx_queues;
1165 
1166 	if ((rx_mq_mode & ETH_MQ_RX_DCB_FLAG) ||
1167 	    tx_mq_mode == ETH_MQ_TX_DCB ||
1168 	    tx_mq_mode == ETH_MQ_TX_VMDQ_DCB) {
1169 		PMD_INIT_LOG(ERR, "DCB mode is not supported.");
1170 		return -EINVAL;
1171 	}
1172 	if (RTE_ETH_DEV_SRIOV(dev).active != 0) {
1173 		/* Check multi-queue mode.
1174 		 * To no break software we accept ETH_MQ_RX_NONE as this might
1175 		 * be used to turn off VLAN filter.
1176 		 */
1177 
1178 		if (rx_mq_mode == ETH_MQ_RX_NONE ||
1179 		    rx_mq_mode == ETH_MQ_RX_VMDQ_ONLY) {
1180 			dev->data->dev_conf.rxmode.mq_mode = ETH_MQ_RX_VMDQ_ONLY;
1181 			RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool = 1;
1182 		} else {
1183 			/* Only support one queue on VFs.
1184 			 * RSS together with SRIOV is not supported.
1185 			 */
1186 			PMD_INIT_LOG(ERR, "SRIOV is active,"
1187 					" wrong mq_mode rx %d.",
1188 					rx_mq_mode);
1189 			return -EINVAL;
1190 		}
1191 		/* TX mode is not used here, so mode might be ignored.*/
1192 		if (tx_mq_mode != ETH_MQ_TX_VMDQ_ONLY) {
1193 			/* SRIOV only works in VMDq enable mode */
1194 			PMD_INIT_LOG(WARNING, "SRIOV is active,"
1195 					" TX mode %d is not supported. "
1196 					" Driver will behave as %d mode.",
1197 					tx_mq_mode, ETH_MQ_TX_VMDQ_ONLY);
1198 		}
1199 
1200 		/* check valid queue number */
1201 		if ((nb_rx_q > 1) || (nb_tx_q > 1)) {
1202 			PMD_INIT_LOG(ERR, "SRIOV is active,"
1203 					" only support one queue on VFs.");
1204 			return -EINVAL;
1205 		}
1206 	} else {
1207 		/* To no break software that set invalid mode, only display
1208 		 * warning if invalid mode is used.
1209 		 */
1210 		if (rx_mq_mode != ETH_MQ_RX_NONE &&
1211 		    rx_mq_mode != ETH_MQ_RX_VMDQ_ONLY &&
1212 		    rx_mq_mode != ETH_MQ_RX_RSS) {
1213 			/* RSS together with VMDq not supported*/
1214 			PMD_INIT_LOG(ERR, "RX mode %d is not supported.",
1215 				     rx_mq_mode);
1216 			return -EINVAL;
1217 		}
1218 
1219 		if (tx_mq_mode != ETH_MQ_TX_NONE &&
1220 		    tx_mq_mode != ETH_MQ_TX_VMDQ_ONLY) {
1221 			PMD_INIT_LOG(WARNING, "TX mode %d is not supported."
1222 					" Due to txmode is meaningless in this"
1223 					" driver, just ignore.",
1224 					tx_mq_mode);
1225 		}
1226 	}
1227 	return 0;
1228 }
1229 
1230 static int
1231 eth_igb_configure(struct rte_eth_dev *dev)
1232 {
1233 	struct e1000_interrupt *intr =
1234 		E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
1235 	int ret;
1236 
1237 	PMD_INIT_FUNC_TRACE();
1238 
1239 	/* multipe queue mode checking */
1240 	ret  = igb_check_mq_mode(dev);
1241 	if (ret != 0) {
1242 		PMD_DRV_LOG(ERR, "igb_check_mq_mode fails with %d.",
1243 			    ret);
1244 		return ret;
1245 	}
1246 
1247 	intr->flags |= E1000_FLAG_NEED_LINK_UPDATE;
1248 	PMD_INIT_FUNC_TRACE();
1249 
1250 	return 0;
1251 }
1252 
1253 static void
1254 eth_igb_rxtx_control(struct rte_eth_dev *dev,
1255 		     bool enable)
1256 {
1257 	struct e1000_hw *hw =
1258 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1259 	uint32_t tctl, rctl;
1260 
1261 	tctl = E1000_READ_REG(hw, E1000_TCTL);
1262 	rctl = E1000_READ_REG(hw, E1000_RCTL);
1263 
1264 	if (enable) {
1265 		/* enable Tx/Rx */
1266 		tctl |= E1000_TCTL_EN;
1267 		rctl |= E1000_RCTL_EN;
1268 	} else {
1269 		/* disable Tx/Rx */
1270 		tctl &= ~E1000_TCTL_EN;
1271 		rctl &= ~E1000_RCTL_EN;
1272 	}
1273 	E1000_WRITE_REG(hw, E1000_TCTL, tctl);
1274 	E1000_WRITE_REG(hw, E1000_RCTL, rctl);
1275 	E1000_WRITE_FLUSH(hw);
1276 }
1277 
1278 static int
1279 eth_igb_start(struct rte_eth_dev *dev)
1280 {
1281 	struct e1000_hw *hw =
1282 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1283 	struct e1000_adapter *adapter =
1284 		E1000_DEV_PRIVATE(dev->data->dev_private);
1285 	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1286 	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1287 	int ret, mask;
1288 	uint32_t intr_vector = 0;
1289 	uint32_t ctrl_ext;
1290 	uint32_t *speeds;
1291 	int num_speeds;
1292 	bool autoneg;
1293 
1294 	PMD_INIT_FUNC_TRACE();
1295 
1296 	/* disable uio/vfio intr/eventfd mapping */
1297 	rte_intr_disable(intr_handle);
1298 
1299 	/* Power up the phy. Needed to make the link go Up */
1300 	eth_igb_dev_set_link_up(dev);
1301 
1302 	/*
1303 	 * Packet Buffer Allocation (PBA)
1304 	 * Writing PBA sets the receive portion of the buffer
1305 	 * the remainder is used for the transmit buffer.
1306 	 */
1307 	if (hw->mac.type == e1000_82575) {
1308 		uint32_t pba;
1309 
1310 		pba = E1000_PBA_32K; /* 32K for Rx, 16K for Tx */
1311 		E1000_WRITE_REG(hw, E1000_PBA, pba);
1312 	}
1313 
1314 	/* Put the address into the Receive Address Array */
1315 	e1000_rar_set(hw, hw->mac.addr, 0);
1316 
1317 	/* Initialize the hardware */
1318 	if (igb_hardware_init(hw)) {
1319 		PMD_INIT_LOG(ERR, "Unable to initialize the hardware");
1320 		return -EIO;
1321 	}
1322 	adapter->stopped = 0;
1323 
1324 	E1000_WRITE_REG(hw, E1000_VET,
1325 			RTE_ETHER_TYPE_VLAN << 16 | RTE_ETHER_TYPE_VLAN);
1326 
1327 	ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
1328 	/* Set PF Reset Done bit so PF/VF Mail Ops can work */
1329 	ctrl_ext |= E1000_CTRL_EXT_PFRSTD;
1330 	E1000_WRITE_REG(hw, E1000_CTRL_EXT, ctrl_ext);
1331 	E1000_WRITE_FLUSH(hw);
1332 
1333 	/* configure PF module if SRIOV enabled */
1334 	igb_pf_host_configure(dev);
1335 
1336 	/* check and configure queue intr-vector mapping */
1337 	if ((rte_intr_cap_multiple(intr_handle) ||
1338 	     !RTE_ETH_DEV_SRIOV(dev).active) &&
1339 	    dev->data->dev_conf.intr_conf.rxq != 0) {
1340 		intr_vector = dev->data->nb_rx_queues;
1341 		if (rte_intr_efd_enable(intr_handle, intr_vector))
1342 			return -1;
1343 	}
1344 
1345 	if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) {
1346 		intr_handle->intr_vec =
1347 			rte_zmalloc("intr_vec",
1348 				    dev->data->nb_rx_queues * sizeof(int), 0);
1349 		if (intr_handle->intr_vec == NULL) {
1350 			PMD_INIT_LOG(ERR, "Failed to allocate %d rx_queues"
1351 				     " intr_vec", dev->data->nb_rx_queues);
1352 			return -ENOMEM;
1353 		}
1354 	}
1355 
1356 	/* confiugre msix for rx interrupt */
1357 	eth_igb_configure_msix_intr(dev);
1358 
1359 	/* Configure for OS presence */
1360 	igb_init_manageability(hw);
1361 
1362 	eth_igb_tx_init(dev);
1363 
1364 	/* This can fail when allocating mbufs for descriptor rings */
1365 	ret = eth_igb_rx_init(dev);
1366 	if (ret) {
1367 		PMD_INIT_LOG(ERR, "Unable to initialize RX hardware");
1368 		igb_dev_clear_queues(dev);
1369 		return ret;
1370 	}
1371 
1372 	e1000_clear_hw_cntrs_base_generic(hw);
1373 
1374 	/*
1375 	 * VLAN Offload Settings
1376 	 */
1377 	mask = ETH_VLAN_STRIP_MASK | ETH_VLAN_FILTER_MASK | \
1378 			ETH_VLAN_EXTEND_MASK;
1379 	ret = eth_igb_vlan_offload_set(dev, mask);
1380 	if (ret) {
1381 		PMD_INIT_LOG(ERR, "Unable to set vlan offload");
1382 		igb_dev_clear_queues(dev);
1383 		return ret;
1384 	}
1385 
1386 	if (dev->data->dev_conf.rxmode.mq_mode == ETH_MQ_RX_VMDQ_ONLY) {
1387 		/* Enable VLAN filter since VMDq always use VLAN filter */
1388 		igb_vmdq_vlan_hw_filter_enable(dev);
1389 	}
1390 
1391 	if ((hw->mac.type == e1000_82576) || (hw->mac.type == e1000_82580) ||
1392 		(hw->mac.type == e1000_i350) || (hw->mac.type == e1000_i210) ||
1393 		(hw->mac.type == e1000_i211)) {
1394 		/* Configure EITR with the maximum possible value (0xFFFF) */
1395 		E1000_WRITE_REG(hw, E1000_EITR(0), 0xFFFF);
1396 	}
1397 
1398 	/* Setup link speed and duplex */
1399 	speeds = &dev->data->dev_conf.link_speeds;
1400 	if (*speeds == ETH_LINK_SPEED_AUTONEG) {
1401 		hw->phy.autoneg_advertised = E1000_ALL_SPEED_DUPLEX;
1402 		hw->mac.autoneg = 1;
1403 	} else {
1404 		num_speeds = 0;
1405 		autoneg = (*speeds & ETH_LINK_SPEED_FIXED) == 0;
1406 
1407 		/* Reset */
1408 		hw->phy.autoneg_advertised = 0;
1409 
1410 		if (*speeds & ~(ETH_LINK_SPEED_10M_HD | ETH_LINK_SPEED_10M |
1411 				ETH_LINK_SPEED_100M_HD | ETH_LINK_SPEED_100M |
1412 				ETH_LINK_SPEED_1G | ETH_LINK_SPEED_FIXED)) {
1413 			num_speeds = -1;
1414 			goto error_invalid_config;
1415 		}
1416 		if (*speeds & ETH_LINK_SPEED_10M_HD) {
1417 			hw->phy.autoneg_advertised |= ADVERTISE_10_HALF;
1418 			num_speeds++;
1419 		}
1420 		if (*speeds & ETH_LINK_SPEED_10M) {
1421 			hw->phy.autoneg_advertised |= ADVERTISE_10_FULL;
1422 			num_speeds++;
1423 		}
1424 		if (*speeds & ETH_LINK_SPEED_100M_HD) {
1425 			hw->phy.autoneg_advertised |= ADVERTISE_100_HALF;
1426 			num_speeds++;
1427 		}
1428 		if (*speeds & ETH_LINK_SPEED_100M) {
1429 			hw->phy.autoneg_advertised |= ADVERTISE_100_FULL;
1430 			num_speeds++;
1431 		}
1432 		if (*speeds & ETH_LINK_SPEED_1G) {
1433 			hw->phy.autoneg_advertised |= ADVERTISE_1000_FULL;
1434 			num_speeds++;
1435 		}
1436 		if (num_speeds == 0 || (!autoneg && (num_speeds > 1)))
1437 			goto error_invalid_config;
1438 
1439 		/* Set/reset the mac.autoneg based on the link speed,
1440 		 * fixed or not
1441 		 */
1442 		if (!autoneg) {
1443 			hw->mac.autoneg = 0;
1444 			hw->mac.forced_speed_duplex =
1445 					hw->phy.autoneg_advertised;
1446 		} else {
1447 			hw->mac.autoneg = 1;
1448 		}
1449 	}
1450 
1451 	e1000_setup_link(hw);
1452 
1453 	if (rte_intr_allow_others(intr_handle)) {
1454 		/* check if lsc interrupt is enabled */
1455 		if (dev->data->dev_conf.intr_conf.lsc != 0)
1456 			eth_igb_lsc_interrupt_setup(dev, TRUE);
1457 		else
1458 			eth_igb_lsc_interrupt_setup(dev, FALSE);
1459 	} else {
1460 		rte_intr_callback_unregister(intr_handle,
1461 					     eth_igb_interrupt_handler,
1462 					     (void *)dev);
1463 		if (dev->data->dev_conf.intr_conf.lsc != 0)
1464 			PMD_INIT_LOG(INFO, "lsc won't enable because of"
1465 				     " no intr multiplex");
1466 	}
1467 
1468 	/* check if rxq interrupt is enabled */
1469 	if (dev->data->dev_conf.intr_conf.rxq != 0 &&
1470 	    rte_intr_dp_is_en(intr_handle))
1471 		eth_igb_rxq_interrupt_setup(dev);
1472 
1473 	/* enable uio/vfio intr/eventfd mapping */
1474 	rte_intr_enable(intr_handle);
1475 
1476 	/* resume enabled intr since hw reset */
1477 	igb_intr_enable(dev);
1478 
1479 	/* restore all types filter */
1480 	igb_filter_restore(dev);
1481 
1482 	eth_igb_rxtx_control(dev, true);
1483 	eth_igb_link_update(dev, 0);
1484 
1485 	PMD_INIT_LOG(DEBUG, "<<");
1486 
1487 	return 0;
1488 
1489 error_invalid_config:
1490 	PMD_INIT_LOG(ERR, "Invalid advertised speeds (%u) for port %u",
1491 		     dev->data->dev_conf.link_speeds, dev->data->port_id);
1492 	igb_dev_clear_queues(dev);
1493 	return -EINVAL;
1494 }
1495 
1496 /*********************************************************************
1497  *
1498  *  This routine disables all traffic on the adapter by issuing a
1499  *  global reset on the MAC.
1500  *
1501  **********************************************************************/
1502 static void
1503 eth_igb_stop(struct rte_eth_dev *dev)
1504 {
1505 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1506 	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1507 	struct rte_eth_link link;
1508 	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1509 
1510 	eth_igb_rxtx_control(dev, false);
1511 
1512 	igb_intr_disable(dev);
1513 
1514 	/* disable intr eventfd mapping */
1515 	rte_intr_disable(intr_handle);
1516 
1517 	igb_pf_reset_hw(hw);
1518 	E1000_WRITE_REG(hw, E1000_WUC, 0);
1519 
1520 	/* Set bit for Go Link disconnect */
1521 	if (hw->mac.type >= e1000_82580) {
1522 		uint32_t phpm_reg;
1523 
1524 		phpm_reg = E1000_READ_REG(hw, E1000_82580_PHY_POWER_MGMT);
1525 		phpm_reg |= E1000_82580_PM_GO_LINKD;
1526 		E1000_WRITE_REG(hw, E1000_82580_PHY_POWER_MGMT, phpm_reg);
1527 	}
1528 
1529 	/* Power down the phy. Needed to make the link go Down */
1530 	eth_igb_dev_set_link_down(dev);
1531 
1532 	igb_dev_clear_queues(dev);
1533 
1534 	/* clear the recorded link status */
1535 	memset(&link, 0, sizeof(link));
1536 	rte_eth_linkstatus_set(dev, &link);
1537 
1538 	if (!rte_intr_allow_others(intr_handle))
1539 		/* resume to the default handler */
1540 		rte_intr_callback_register(intr_handle,
1541 					   eth_igb_interrupt_handler,
1542 					   (void *)dev);
1543 
1544 	/* Clean datapath event and queue/vec mapping */
1545 	rte_intr_efd_disable(intr_handle);
1546 	if (intr_handle->intr_vec != NULL) {
1547 		rte_free(intr_handle->intr_vec);
1548 		intr_handle->intr_vec = NULL;
1549 	}
1550 }
1551 
1552 static int
1553 eth_igb_dev_set_link_up(struct rte_eth_dev *dev)
1554 {
1555 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1556 
1557 	if (hw->phy.media_type == e1000_media_type_copper)
1558 		e1000_power_up_phy(hw);
1559 	else
1560 		e1000_power_up_fiber_serdes_link(hw);
1561 
1562 	return 0;
1563 }
1564 
1565 static int
1566 eth_igb_dev_set_link_down(struct rte_eth_dev *dev)
1567 {
1568 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1569 
1570 	if (hw->phy.media_type == e1000_media_type_copper)
1571 		e1000_power_down_phy(hw);
1572 	else
1573 		e1000_shutdown_fiber_serdes_link(hw);
1574 
1575 	return 0;
1576 }
1577 
1578 static void
1579 eth_igb_close(struct rte_eth_dev *dev)
1580 {
1581 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1582 	struct e1000_adapter *adapter =
1583 		E1000_DEV_PRIVATE(dev->data->dev_private);
1584 	struct rte_eth_link link;
1585 	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1586 	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1587 
1588 	eth_igb_stop(dev);
1589 	adapter->stopped = 1;
1590 
1591 	e1000_phy_hw_reset(hw);
1592 	igb_release_manageability(hw);
1593 	igb_hw_control_release(hw);
1594 
1595 	/* Clear bit for Go Link disconnect */
1596 	if (hw->mac.type >= e1000_82580) {
1597 		uint32_t phpm_reg;
1598 
1599 		phpm_reg = E1000_READ_REG(hw, E1000_82580_PHY_POWER_MGMT);
1600 		phpm_reg &= ~E1000_82580_PM_GO_LINKD;
1601 		E1000_WRITE_REG(hw, E1000_82580_PHY_POWER_MGMT, phpm_reg);
1602 	}
1603 
1604 	igb_dev_free_queues(dev);
1605 
1606 	if (intr_handle->intr_vec) {
1607 		rte_free(intr_handle->intr_vec);
1608 		intr_handle->intr_vec = NULL;
1609 	}
1610 
1611 	memset(&link, 0, sizeof(link));
1612 	rte_eth_linkstatus_set(dev, &link);
1613 }
1614 
1615 /*
1616  * Reset PF device.
1617  */
1618 static int
1619 eth_igb_reset(struct rte_eth_dev *dev)
1620 {
1621 	int ret;
1622 
1623 	/* When a DPDK PMD PF begin to reset PF port, it should notify all
1624 	 * its VF to make them align with it. The detailed notification
1625 	 * mechanism is PMD specific and is currently not implemented.
1626 	 * To avoid unexpected behavior in VF, currently reset of PF with
1627 	 * SR-IOV activation is not supported. It might be supported later.
1628 	 */
1629 	if (dev->data->sriov.active)
1630 		return -ENOTSUP;
1631 
1632 	ret = eth_igb_dev_uninit(dev);
1633 	if (ret)
1634 		return ret;
1635 
1636 	ret = eth_igb_dev_init(dev);
1637 
1638 	return ret;
1639 }
1640 
1641 
1642 static int
1643 igb_get_rx_buffer_size(struct e1000_hw *hw)
1644 {
1645 	uint32_t rx_buf_size;
1646 	if (hw->mac.type == e1000_82576) {
1647 		rx_buf_size = (E1000_READ_REG(hw, E1000_RXPBS) & 0xffff) << 10;
1648 	} else if (hw->mac.type == e1000_82580 || hw->mac.type == e1000_i350) {
1649 		/* PBS needs to be translated according to a lookup table */
1650 		rx_buf_size = (E1000_READ_REG(hw, E1000_RXPBS) & 0xf);
1651 		rx_buf_size = (uint32_t) e1000_rxpbs_adjust_82580(rx_buf_size);
1652 		rx_buf_size = (rx_buf_size << 10);
1653 	} else if (hw->mac.type == e1000_i210 || hw->mac.type == e1000_i211) {
1654 		rx_buf_size = (E1000_READ_REG(hw, E1000_RXPBS) & 0x3f) << 10;
1655 	} else {
1656 		rx_buf_size = (E1000_READ_REG(hw, E1000_PBA) & 0xffff) << 10;
1657 	}
1658 
1659 	return rx_buf_size;
1660 }
1661 
1662 /*********************************************************************
1663  *
1664  *  Initialize the hardware
1665  *
1666  **********************************************************************/
1667 static int
1668 igb_hardware_init(struct e1000_hw *hw)
1669 {
1670 	uint32_t rx_buf_size;
1671 	int diag;
1672 
1673 	/* Let the firmware know the OS is in control */
1674 	igb_hw_control_acquire(hw);
1675 
1676 	/*
1677 	 * These parameters control the automatic generation (Tx) and
1678 	 * response (Rx) to Ethernet PAUSE frames.
1679 	 * - High water mark should allow for at least two standard size (1518)
1680 	 *   frames to be received after sending an XOFF.
1681 	 * - Low water mark works best when it is very near the high water mark.
1682 	 *   This allows the receiver to restart by sending XON when it has
1683 	 *   drained a bit. Here we use an arbitrary value of 1500 which will
1684 	 *   restart after one full frame is pulled from the buffer. There
1685 	 *   could be several smaller frames in the buffer and if so they will
1686 	 *   not trigger the XON until their total number reduces the buffer
1687 	 *   by 1500.
1688 	 * - The pause time is fairly large at 1000 x 512ns = 512 usec.
1689 	 */
1690 	rx_buf_size = igb_get_rx_buffer_size(hw);
1691 
1692 	hw->fc.high_water = rx_buf_size - (RTE_ETHER_MAX_LEN * 2);
1693 	hw->fc.low_water = hw->fc.high_water - 1500;
1694 	hw->fc.pause_time = IGB_FC_PAUSE_TIME;
1695 	hw->fc.send_xon = 1;
1696 
1697 	/* Set Flow control, use the tunable location if sane */
1698 	if ((igb_fc_setting != e1000_fc_none) && (igb_fc_setting < 4))
1699 		hw->fc.requested_mode = igb_fc_setting;
1700 	else
1701 		hw->fc.requested_mode = e1000_fc_none;
1702 
1703 	/* Issue a global reset */
1704 	igb_pf_reset_hw(hw);
1705 	E1000_WRITE_REG(hw, E1000_WUC, 0);
1706 
1707 	diag = e1000_init_hw(hw);
1708 	if (diag < 0)
1709 		return diag;
1710 
1711 	E1000_WRITE_REG(hw, E1000_VET,
1712 			RTE_ETHER_TYPE_VLAN << 16 | RTE_ETHER_TYPE_VLAN);
1713 	e1000_get_phy_info(hw);
1714 	e1000_check_for_link(hw);
1715 
1716 	return 0;
1717 }
1718 
1719 /* This function is based on igb_update_stats_counters() in igb/if_igb.c */
1720 static void
1721 igb_read_stats_registers(struct e1000_hw *hw, struct e1000_hw_stats *stats)
1722 {
1723 	int pause_frames;
1724 
1725 	uint64_t old_gprc  = stats->gprc;
1726 	uint64_t old_gptc  = stats->gptc;
1727 	uint64_t old_tpr   = stats->tpr;
1728 	uint64_t old_tpt   = stats->tpt;
1729 	uint64_t old_rpthc = stats->rpthc;
1730 	uint64_t old_hgptc = stats->hgptc;
1731 
1732 	if(hw->phy.media_type == e1000_media_type_copper ||
1733 	    (E1000_READ_REG(hw, E1000_STATUS) & E1000_STATUS_LU)) {
1734 		stats->symerrs +=
1735 		    E1000_READ_REG(hw,E1000_SYMERRS);
1736 		stats->sec += E1000_READ_REG(hw, E1000_SEC);
1737 	}
1738 
1739 	stats->crcerrs += E1000_READ_REG(hw, E1000_CRCERRS);
1740 	stats->mpc += E1000_READ_REG(hw, E1000_MPC);
1741 	stats->scc += E1000_READ_REG(hw, E1000_SCC);
1742 	stats->ecol += E1000_READ_REG(hw, E1000_ECOL);
1743 
1744 	stats->mcc += E1000_READ_REG(hw, E1000_MCC);
1745 	stats->latecol += E1000_READ_REG(hw, E1000_LATECOL);
1746 	stats->colc += E1000_READ_REG(hw, E1000_COLC);
1747 	stats->dc += E1000_READ_REG(hw, E1000_DC);
1748 	stats->rlec += E1000_READ_REG(hw, E1000_RLEC);
1749 	stats->xonrxc += E1000_READ_REG(hw, E1000_XONRXC);
1750 	stats->xontxc += E1000_READ_REG(hw, E1000_XONTXC);
1751 	/*
1752 	** For watchdog management we need to know if we have been
1753 	** paused during the last interval, so capture that here.
1754 	*/
1755 	pause_frames = E1000_READ_REG(hw, E1000_XOFFRXC);
1756 	stats->xoffrxc += pause_frames;
1757 	stats->xofftxc += E1000_READ_REG(hw, E1000_XOFFTXC);
1758 	stats->fcruc += E1000_READ_REG(hw, E1000_FCRUC);
1759 	stats->prc64 += E1000_READ_REG(hw, E1000_PRC64);
1760 	stats->prc127 += E1000_READ_REG(hw, E1000_PRC127);
1761 	stats->prc255 += E1000_READ_REG(hw, E1000_PRC255);
1762 	stats->prc511 += E1000_READ_REG(hw, E1000_PRC511);
1763 	stats->prc1023 += E1000_READ_REG(hw, E1000_PRC1023);
1764 	stats->prc1522 += E1000_READ_REG(hw, E1000_PRC1522);
1765 	stats->gprc += E1000_READ_REG(hw, E1000_GPRC);
1766 	stats->bprc += E1000_READ_REG(hw, E1000_BPRC);
1767 	stats->mprc += E1000_READ_REG(hw, E1000_MPRC);
1768 	stats->gptc += E1000_READ_REG(hw, E1000_GPTC);
1769 
1770 	/* For the 64-bit byte counters the low dword must be read first. */
1771 	/* Both registers clear on the read of the high dword */
1772 
1773 	/* Workaround CRC bytes included in size, take away 4 bytes/packet */
1774 	stats->gorc += E1000_READ_REG(hw, E1000_GORCL);
1775 	stats->gorc += ((uint64_t)E1000_READ_REG(hw, E1000_GORCH) << 32);
1776 	stats->gorc -= (stats->gprc - old_gprc) * RTE_ETHER_CRC_LEN;
1777 	stats->gotc += E1000_READ_REG(hw, E1000_GOTCL);
1778 	stats->gotc += ((uint64_t)E1000_READ_REG(hw, E1000_GOTCH) << 32);
1779 	stats->gotc -= (stats->gptc - old_gptc) * RTE_ETHER_CRC_LEN;
1780 
1781 	stats->rnbc += E1000_READ_REG(hw, E1000_RNBC);
1782 	stats->ruc += E1000_READ_REG(hw, E1000_RUC);
1783 	stats->rfc += E1000_READ_REG(hw, E1000_RFC);
1784 	stats->roc += E1000_READ_REG(hw, E1000_ROC);
1785 	stats->rjc += E1000_READ_REG(hw, E1000_RJC);
1786 
1787 	stats->tpr += E1000_READ_REG(hw, E1000_TPR);
1788 	stats->tpt += E1000_READ_REG(hw, E1000_TPT);
1789 
1790 	stats->tor += E1000_READ_REG(hw, E1000_TORL);
1791 	stats->tor += ((uint64_t)E1000_READ_REG(hw, E1000_TORH) << 32);
1792 	stats->tor -= (stats->tpr - old_tpr) * RTE_ETHER_CRC_LEN;
1793 	stats->tot += E1000_READ_REG(hw, E1000_TOTL);
1794 	stats->tot += ((uint64_t)E1000_READ_REG(hw, E1000_TOTH) << 32);
1795 	stats->tot -= (stats->tpt - old_tpt) * RTE_ETHER_CRC_LEN;
1796 
1797 	stats->ptc64 += E1000_READ_REG(hw, E1000_PTC64);
1798 	stats->ptc127 += E1000_READ_REG(hw, E1000_PTC127);
1799 	stats->ptc255 += E1000_READ_REG(hw, E1000_PTC255);
1800 	stats->ptc511 += E1000_READ_REG(hw, E1000_PTC511);
1801 	stats->ptc1023 += E1000_READ_REG(hw, E1000_PTC1023);
1802 	stats->ptc1522 += E1000_READ_REG(hw, E1000_PTC1522);
1803 	stats->mptc += E1000_READ_REG(hw, E1000_MPTC);
1804 	stats->bptc += E1000_READ_REG(hw, E1000_BPTC);
1805 
1806 	/* Interrupt Counts */
1807 
1808 	stats->iac += E1000_READ_REG(hw, E1000_IAC);
1809 	stats->icrxptc += E1000_READ_REG(hw, E1000_ICRXPTC);
1810 	stats->icrxatc += E1000_READ_REG(hw, E1000_ICRXATC);
1811 	stats->ictxptc += E1000_READ_REG(hw, E1000_ICTXPTC);
1812 	stats->ictxatc += E1000_READ_REG(hw, E1000_ICTXATC);
1813 	stats->ictxqec += E1000_READ_REG(hw, E1000_ICTXQEC);
1814 	stats->ictxqmtc += E1000_READ_REG(hw, E1000_ICTXQMTC);
1815 	stats->icrxdmtc += E1000_READ_REG(hw, E1000_ICRXDMTC);
1816 	stats->icrxoc += E1000_READ_REG(hw, E1000_ICRXOC);
1817 
1818 	/* Host to Card Statistics */
1819 
1820 	stats->cbtmpc += E1000_READ_REG(hw, E1000_CBTMPC);
1821 	stats->htdpmc += E1000_READ_REG(hw, E1000_HTDPMC);
1822 	stats->cbrdpc += E1000_READ_REG(hw, E1000_CBRDPC);
1823 	stats->cbrmpc += E1000_READ_REG(hw, E1000_CBRMPC);
1824 	stats->rpthc += E1000_READ_REG(hw, E1000_RPTHC);
1825 	stats->hgptc += E1000_READ_REG(hw, E1000_HGPTC);
1826 	stats->htcbdpc += E1000_READ_REG(hw, E1000_HTCBDPC);
1827 	stats->hgorc += E1000_READ_REG(hw, E1000_HGORCL);
1828 	stats->hgorc += ((uint64_t)E1000_READ_REG(hw, E1000_HGORCH) << 32);
1829 	stats->hgorc -= (stats->rpthc - old_rpthc) * RTE_ETHER_CRC_LEN;
1830 	stats->hgotc += E1000_READ_REG(hw, E1000_HGOTCL);
1831 	stats->hgotc += ((uint64_t)E1000_READ_REG(hw, E1000_HGOTCH) << 32);
1832 	stats->hgotc -= (stats->hgptc - old_hgptc) * RTE_ETHER_CRC_LEN;
1833 	stats->lenerrs += E1000_READ_REG(hw, E1000_LENERRS);
1834 	stats->scvpc += E1000_READ_REG(hw, E1000_SCVPC);
1835 	stats->hrmpc += E1000_READ_REG(hw, E1000_HRMPC);
1836 
1837 	stats->algnerrc += E1000_READ_REG(hw, E1000_ALGNERRC);
1838 	stats->rxerrc += E1000_READ_REG(hw, E1000_RXERRC);
1839 	stats->tncrs += E1000_READ_REG(hw, E1000_TNCRS);
1840 	stats->cexterr += E1000_READ_REG(hw, E1000_CEXTERR);
1841 	stats->tsctc += E1000_READ_REG(hw, E1000_TSCTC);
1842 	stats->tsctfc += E1000_READ_REG(hw, E1000_TSCTFC);
1843 }
1844 
1845 static int
1846 eth_igb_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *rte_stats)
1847 {
1848 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1849 	struct e1000_hw_stats *stats =
1850 			E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
1851 
1852 	igb_read_stats_registers(hw, stats);
1853 
1854 	if (rte_stats == NULL)
1855 		return -EINVAL;
1856 
1857 	/* Rx Errors */
1858 	rte_stats->imissed = stats->mpc;
1859 	rte_stats->ierrors = stats->crcerrs +
1860 	                     stats->rlec + stats->ruc + stats->roc +
1861 	                     stats->rxerrc + stats->algnerrc + stats->cexterr;
1862 
1863 	/* Tx Errors */
1864 	rte_stats->oerrors = stats->ecol + stats->latecol;
1865 
1866 	rte_stats->ipackets = stats->gprc;
1867 	rte_stats->opackets = stats->gptc;
1868 	rte_stats->ibytes   = stats->gorc;
1869 	rte_stats->obytes   = stats->gotc;
1870 	return 0;
1871 }
1872 
1873 static void
1874 eth_igb_stats_reset(struct rte_eth_dev *dev)
1875 {
1876 	struct e1000_hw_stats *hw_stats =
1877 			E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
1878 
1879 	/* HW registers are cleared on read */
1880 	eth_igb_stats_get(dev, NULL);
1881 
1882 	/* Reset software totals */
1883 	memset(hw_stats, 0, sizeof(*hw_stats));
1884 }
1885 
1886 static void
1887 eth_igb_xstats_reset(struct rte_eth_dev *dev)
1888 {
1889 	struct e1000_hw_stats *stats =
1890 			E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
1891 
1892 	/* HW registers are cleared on read */
1893 	eth_igb_xstats_get(dev, NULL, IGB_NB_XSTATS);
1894 
1895 	/* Reset software totals */
1896 	memset(stats, 0, sizeof(*stats));
1897 }
1898 
1899 static int eth_igb_xstats_get_names(__rte_unused struct rte_eth_dev *dev,
1900 	struct rte_eth_xstat_name *xstats_names,
1901 	__rte_unused unsigned int size)
1902 {
1903 	unsigned i;
1904 
1905 	if (xstats_names == NULL)
1906 		return IGB_NB_XSTATS;
1907 
1908 	/* Note: limit checked in rte_eth_xstats_names() */
1909 
1910 	for (i = 0; i < IGB_NB_XSTATS; i++) {
1911 		strlcpy(xstats_names[i].name, rte_igb_stats_strings[i].name,
1912 			sizeof(xstats_names[i].name));
1913 	}
1914 
1915 	return IGB_NB_XSTATS;
1916 }
1917 
1918 static int eth_igb_xstats_get_names_by_id(struct rte_eth_dev *dev,
1919 		struct rte_eth_xstat_name *xstats_names, const uint64_t *ids,
1920 		unsigned int limit)
1921 {
1922 	unsigned int i;
1923 
1924 	if (!ids) {
1925 		if (xstats_names == NULL)
1926 			return IGB_NB_XSTATS;
1927 
1928 		for (i = 0; i < IGB_NB_XSTATS; i++)
1929 			strlcpy(xstats_names[i].name,
1930 				rte_igb_stats_strings[i].name,
1931 				sizeof(xstats_names[i].name));
1932 
1933 		return IGB_NB_XSTATS;
1934 
1935 	} else {
1936 		struct rte_eth_xstat_name xstats_names_copy[IGB_NB_XSTATS];
1937 
1938 		eth_igb_xstats_get_names_by_id(dev, xstats_names_copy, NULL,
1939 				IGB_NB_XSTATS);
1940 
1941 		for (i = 0; i < limit; i++) {
1942 			if (ids[i] >= IGB_NB_XSTATS) {
1943 				PMD_INIT_LOG(ERR, "id value isn't valid");
1944 				return -1;
1945 			}
1946 			strcpy(xstats_names[i].name,
1947 					xstats_names_copy[ids[i]].name);
1948 		}
1949 		return limit;
1950 	}
1951 }
1952 
1953 static int
1954 eth_igb_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
1955 		   unsigned n)
1956 {
1957 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1958 	struct e1000_hw_stats *hw_stats =
1959 			E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
1960 	unsigned i;
1961 
1962 	if (n < IGB_NB_XSTATS)
1963 		return IGB_NB_XSTATS;
1964 
1965 	igb_read_stats_registers(hw, hw_stats);
1966 
1967 	/* If this is a reset xstats is NULL, and we have cleared the
1968 	 * registers by reading them.
1969 	 */
1970 	if (!xstats)
1971 		return 0;
1972 
1973 	/* Extended stats */
1974 	for (i = 0; i < IGB_NB_XSTATS; i++) {
1975 		xstats[i].id = i;
1976 		xstats[i].value = *(uint64_t *)(((char *)hw_stats) +
1977 			rte_igb_stats_strings[i].offset);
1978 	}
1979 
1980 	return IGB_NB_XSTATS;
1981 }
1982 
1983 static int
1984 eth_igb_xstats_get_by_id(struct rte_eth_dev *dev, const uint64_t *ids,
1985 		uint64_t *values, unsigned int n)
1986 {
1987 	unsigned int i;
1988 
1989 	if (!ids) {
1990 		struct e1000_hw *hw =
1991 			E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1992 		struct e1000_hw_stats *hw_stats =
1993 			E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
1994 
1995 		if (n < IGB_NB_XSTATS)
1996 			return IGB_NB_XSTATS;
1997 
1998 		igb_read_stats_registers(hw, hw_stats);
1999 
2000 		/* If this is a reset xstats is NULL, and we have cleared the
2001 		 * registers by reading them.
2002 		 */
2003 		if (!values)
2004 			return 0;
2005 
2006 		/* Extended stats */
2007 		for (i = 0; i < IGB_NB_XSTATS; i++)
2008 			values[i] = *(uint64_t *)(((char *)hw_stats) +
2009 					rte_igb_stats_strings[i].offset);
2010 
2011 		return IGB_NB_XSTATS;
2012 
2013 	} else {
2014 		uint64_t values_copy[IGB_NB_XSTATS];
2015 
2016 		eth_igb_xstats_get_by_id(dev, NULL, values_copy,
2017 				IGB_NB_XSTATS);
2018 
2019 		for (i = 0; i < n; i++) {
2020 			if (ids[i] >= IGB_NB_XSTATS) {
2021 				PMD_INIT_LOG(ERR, "id value isn't valid");
2022 				return -1;
2023 			}
2024 			values[i] = values_copy[ids[i]];
2025 		}
2026 		return n;
2027 	}
2028 }
2029 
2030 static void
2031 igbvf_read_stats_registers(struct e1000_hw *hw, struct e1000_vf_stats *hw_stats)
2032 {
2033 	/* Good Rx packets, include VF loopback */
2034 	UPDATE_VF_STAT(E1000_VFGPRC,
2035 	    hw_stats->last_gprc, hw_stats->gprc);
2036 
2037 	/* Good Rx octets, include VF loopback */
2038 	UPDATE_VF_STAT(E1000_VFGORC,
2039 	    hw_stats->last_gorc, hw_stats->gorc);
2040 
2041 	/* Good Tx packets, include VF loopback */
2042 	UPDATE_VF_STAT(E1000_VFGPTC,
2043 	    hw_stats->last_gptc, hw_stats->gptc);
2044 
2045 	/* Good Tx octets, include VF loopback */
2046 	UPDATE_VF_STAT(E1000_VFGOTC,
2047 	    hw_stats->last_gotc, hw_stats->gotc);
2048 
2049 	/* Rx Multicst packets */
2050 	UPDATE_VF_STAT(E1000_VFMPRC,
2051 	    hw_stats->last_mprc, hw_stats->mprc);
2052 
2053 	/* Good Rx loopback packets */
2054 	UPDATE_VF_STAT(E1000_VFGPRLBC,
2055 	    hw_stats->last_gprlbc, hw_stats->gprlbc);
2056 
2057 	/* Good Rx loopback octets */
2058 	UPDATE_VF_STAT(E1000_VFGORLBC,
2059 	    hw_stats->last_gorlbc, hw_stats->gorlbc);
2060 
2061 	/* Good Tx loopback packets */
2062 	UPDATE_VF_STAT(E1000_VFGPTLBC,
2063 	    hw_stats->last_gptlbc, hw_stats->gptlbc);
2064 
2065 	/* Good Tx loopback octets */
2066 	UPDATE_VF_STAT(E1000_VFGOTLBC,
2067 	    hw_stats->last_gotlbc, hw_stats->gotlbc);
2068 }
2069 
2070 static int eth_igbvf_xstats_get_names(__rte_unused struct rte_eth_dev *dev,
2071 				     struct rte_eth_xstat_name *xstats_names,
2072 				     __rte_unused unsigned limit)
2073 {
2074 	unsigned i;
2075 
2076 	if (xstats_names != NULL)
2077 		for (i = 0; i < IGBVF_NB_XSTATS; i++) {
2078 			strlcpy(xstats_names[i].name,
2079 				rte_igbvf_stats_strings[i].name,
2080 				sizeof(xstats_names[i].name));
2081 		}
2082 	return IGBVF_NB_XSTATS;
2083 }
2084 
2085 static int
2086 eth_igbvf_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
2087 		     unsigned n)
2088 {
2089 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2090 	struct e1000_vf_stats *hw_stats = (struct e1000_vf_stats *)
2091 			E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
2092 	unsigned i;
2093 
2094 	if (n < IGBVF_NB_XSTATS)
2095 		return IGBVF_NB_XSTATS;
2096 
2097 	igbvf_read_stats_registers(hw, hw_stats);
2098 
2099 	if (!xstats)
2100 		return 0;
2101 
2102 	for (i = 0; i < IGBVF_NB_XSTATS; i++) {
2103 		xstats[i].id = i;
2104 		xstats[i].value = *(uint64_t *)(((char *)hw_stats) +
2105 			rte_igbvf_stats_strings[i].offset);
2106 	}
2107 
2108 	return IGBVF_NB_XSTATS;
2109 }
2110 
2111 static int
2112 eth_igbvf_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *rte_stats)
2113 {
2114 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2115 	struct e1000_vf_stats *hw_stats = (struct e1000_vf_stats *)
2116 			  E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
2117 
2118 	igbvf_read_stats_registers(hw, hw_stats);
2119 
2120 	if (rte_stats == NULL)
2121 		return -EINVAL;
2122 
2123 	rte_stats->ipackets = hw_stats->gprc;
2124 	rte_stats->ibytes = hw_stats->gorc;
2125 	rte_stats->opackets = hw_stats->gptc;
2126 	rte_stats->obytes = hw_stats->gotc;
2127 	return 0;
2128 }
2129 
2130 static void
2131 eth_igbvf_stats_reset(struct rte_eth_dev *dev)
2132 {
2133 	struct e1000_vf_stats *hw_stats = (struct e1000_vf_stats*)
2134 			E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
2135 
2136 	/* Sync HW register to the last stats */
2137 	eth_igbvf_stats_get(dev, NULL);
2138 
2139 	/* reset HW current stats*/
2140 	memset(&hw_stats->gprc, 0, sizeof(*hw_stats) -
2141 	       offsetof(struct e1000_vf_stats, gprc));
2142 }
2143 
2144 static int
2145 eth_igb_fw_version_get(struct rte_eth_dev *dev, char *fw_version,
2146 		       size_t fw_size)
2147 {
2148 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2149 	struct e1000_fw_version fw;
2150 	int ret;
2151 
2152 	e1000_get_fw_version(hw, &fw);
2153 
2154 	switch (hw->mac.type) {
2155 	case e1000_i210:
2156 	case e1000_i211:
2157 		if (!(e1000_get_flash_presence_i210(hw))) {
2158 			ret = snprintf(fw_version, fw_size,
2159 				 "%2d.%2d-%d",
2160 				 fw.invm_major, fw.invm_minor,
2161 				 fw.invm_img_type);
2162 			break;
2163 		}
2164 		/* fall through */
2165 	default:
2166 		/* if option rom is valid, display its version too */
2167 		if (fw.or_valid) {
2168 			ret = snprintf(fw_version, fw_size,
2169 				 "%d.%d, 0x%08x, %d.%d.%d",
2170 				 fw.eep_major, fw.eep_minor, fw.etrack_id,
2171 				 fw.or_major, fw.or_build, fw.or_patch);
2172 		/* no option rom */
2173 		} else {
2174 			if (fw.etrack_id != 0X0000) {
2175 				ret = snprintf(fw_version, fw_size,
2176 					 "%d.%d, 0x%08x",
2177 					 fw.eep_major, fw.eep_minor,
2178 					 fw.etrack_id);
2179 			} else {
2180 				ret = snprintf(fw_version, fw_size,
2181 					 "%d.%d.%d",
2182 					 fw.eep_major, fw.eep_minor,
2183 					 fw.eep_build);
2184 			}
2185 		}
2186 		break;
2187 	}
2188 
2189 	ret += 1; /* add the size of '\0' */
2190 	if (fw_size < (u32)ret)
2191 		return ret;
2192 	else
2193 		return 0;
2194 }
2195 
2196 static void
2197 eth_igb_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
2198 {
2199 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2200 
2201 	dev_info->min_rx_bufsize = 256; /* See BSIZE field of RCTL register. */
2202 	dev_info->max_rx_pktlen  = 0x3FFF; /* See RLPML register. */
2203 	dev_info->max_mac_addrs = hw->mac.rar_entry_count;
2204 	dev_info->rx_queue_offload_capa = igb_get_rx_queue_offloads_capa(dev);
2205 	dev_info->rx_offload_capa = igb_get_rx_port_offloads_capa(dev) |
2206 				    dev_info->rx_queue_offload_capa;
2207 	dev_info->tx_queue_offload_capa = igb_get_tx_queue_offloads_capa(dev);
2208 	dev_info->tx_offload_capa = igb_get_tx_port_offloads_capa(dev) |
2209 				    dev_info->tx_queue_offload_capa;
2210 
2211 	switch (hw->mac.type) {
2212 	case e1000_82575:
2213 		dev_info->max_rx_queues = 4;
2214 		dev_info->max_tx_queues = 4;
2215 		dev_info->max_vmdq_pools = 0;
2216 		break;
2217 
2218 	case e1000_82576:
2219 		dev_info->max_rx_queues = 16;
2220 		dev_info->max_tx_queues = 16;
2221 		dev_info->max_vmdq_pools = ETH_8_POOLS;
2222 		dev_info->vmdq_queue_num = 16;
2223 		break;
2224 
2225 	case e1000_82580:
2226 		dev_info->max_rx_queues = 8;
2227 		dev_info->max_tx_queues = 8;
2228 		dev_info->max_vmdq_pools = ETH_8_POOLS;
2229 		dev_info->vmdq_queue_num = 8;
2230 		break;
2231 
2232 	case e1000_i350:
2233 		dev_info->max_rx_queues = 8;
2234 		dev_info->max_tx_queues = 8;
2235 		dev_info->max_vmdq_pools = ETH_8_POOLS;
2236 		dev_info->vmdq_queue_num = 8;
2237 		break;
2238 
2239 	case e1000_i354:
2240 		dev_info->max_rx_queues = 8;
2241 		dev_info->max_tx_queues = 8;
2242 		break;
2243 
2244 	case e1000_i210:
2245 		dev_info->max_rx_queues = 4;
2246 		dev_info->max_tx_queues = 4;
2247 		dev_info->max_vmdq_pools = 0;
2248 		break;
2249 
2250 	case e1000_i211:
2251 		dev_info->max_rx_queues = 2;
2252 		dev_info->max_tx_queues = 2;
2253 		dev_info->max_vmdq_pools = 0;
2254 		break;
2255 
2256 	default:
2257 		/* Should not happen */
2258 		break;
2259 	}
2260 	dev_info->hash_key_size = IGB_HKEY_MAX_INDEX * sizeof(uint32_t);
2261 	dev_info->reta_size = ETH_RSS_RETA_SIZE_128;
2262 	dev_info->flow_type_rss_offloads = IGB_RSS_OFFLOAD_ALL;
2263 
2264 	dev_info->default_rxconf = (struct rte_eth_rxconf) {
2265 		.rx_thresh = {
2266 			.pthresh = IGB_DEFAULT_RX_PTHRESH,
2267 			.hthresh = IGB_DEFAULT_RX_HTHRESH,
2268 			.wthresh = IGB_DEFAULT_RX_WTHRESH,
2269 		},
2270 		.rx_free_thresh = IGB_DEFAULT_RX_FREE_THRESH,
2271 		.rx_drop_en = 0,
2272 		.offloads = 0,
2273 	};
2274 
2275 	dev_info->default_txconf = (struct rte_eth_txconf) {
2276 		.tx_thresh = {
2277 			.pthresh = IGB_DEFAULT_TX_PTHRESH,
2278 			.hthresh = IGB_DEFAULT_TX_HTHRESH,
2279 			.wthresh = IGB_DEFAULT_TX_WTHRESH,
2280 		},
2281 		.offloads = 0,
2282 	};
2283 
2284 	dev_info->rx_desc_lim = rx_desc_lim;
2285 	dev_info->tx_desc_lim = tx_desc_lim;
2286 
2287 	dev_info->speed_capa = ETH_LINK_SPEED_10M_HD | ETH_LINK_SPEED_10M |
2288 			ETH_LINK_SPEED_100M_HD | ETH_LINK_SPEED_100M |
2289 			ETH_LINK_SPEED_1G;
2290 
2291 	dev_info->max_mtu = dev_info->max_rx_pktlen - E1000_ETH_OVERHEAD;
2292 	dev_info->min_mtu = RTE_ETHER_MIN_MTU;
2293 
2294 }
2295 
2296 static const uint32_t *
2297 eth_igb_supported_ptypes_get(struct rte_eth_dev *dev)
2298 {
2299 	static const uint32_t ptypes[] = {
2300 		/* refers to igb_rxd_pkt_info_to_pkt_type() */
2301 		RTE_PTYPE_L2_ETHER,
2302 		RTE_PTYPE_L3_IPV4,
2303 		RTE_PTYPE_L3_IPV4_EXT,
2304 		RTE_PTYPE_L3_IPV6,
2305 		RTE_PTYPE_L3_IPV6_EXT,
2306 		RTE_PTYPE_L4_TCP,
2307 		RTE_PTYPE_L4_UDP,
2308 		RTE_PTYPE_L4_SCTP,
2309 		RTE_PTYPE_TUNNEL_IP,
2310 		RTE_PTYPE_INNER_L3_IPV6,
2311 		RTE_PTYPE_INNER_L3_IPV6_EXT,
2312 		RTE_PTYPE_INNER_L4_TCP,
2313 		RTE_PTYPE_INNER_L4_UDP,
2314 		RTE_PTYPE_UNKNOWN
2315 	};
2316 
2317 	if (dev->rx_pkt_burst == eth_igb_recv_pkts ||
2318 	    dev->rx_pkt_burst == eth_igb_recv_scattered_pkts)
2319 		return ptypes;
2320 	return NULL;
2321 }
2322 
2323 static void
2324 eth_igbvf_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
2325 {
2326 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2327 
2328 	dev_info->min_rx_bufsize = 256; /* See BSIZE field of RCTL register. */
2329 	dev_info->max_rx_pktlen  = 0x3FFF; /* See RLPML register. */
2330 	dev_info->max_mac_addrs = hw->mac.rar_entry_count;
2331 	dev_info->tx_offload_capa = DEV_TX_OFFLOAD_VLAN_INSERT |
2332 				DEV_TX_OFFLOAD_IPV4_CKSUM  |
2333 				DEV_TX_OFFLOAD_UDP_CKSUM   |
2334 				DEV_TX_OFFLOAD_TCP_CKSUM   |
2335 				DEV_TX_OFFLOAD_SCTP_CKSUM  |
2336 				DEV_TX_OFFLOAD_TCP_TSO;
2337 	switch (hw->mac.type) {
2338 	case e1000_vfadapt:
2339 		dev_info->max_rx_queues = 2;
2340 		dev_info->max_tx_queues = 2;
2341 		break;
2342 	case e1000_vfadapt_i350:
2343 		dev_info->max_rx_queues = 1;
2344 		dev_info->max_tx_queues = 1;
2345 		break;
2346 	default:
2347 		/* Should not happen */
2348 		break;
2349 	}
2350 
2351 	dev_info->rx_queue_offload_capa = igb_get_rx_queue_offloads_capa(dev);
2352 	dev_info->rx_offload_capa = igb_get_rx_port_offloads_capa(dev) |
2353 				    dev_info->rx_queue_offload_capa;
2354 	dev_info->tx_queue_offload_capa = igb_get_tx_queue_offloads_capa(dev);
2355 	dev_info->tx_offload_capa = igb_get_tx_port_offloads_capa(dev) |
2356 				    dev_info->tx_queue_offload_capa;
2357 
2358 	dev_info->default_rxconf = (struct rte_eth_rxconf) {
2359 		.rx_thresh = {
2360 			.pthresh = IGB_DEFAULT_RX_PTHRESH,
2361 			.hthresh = IGB_DEFAULT_RX_HTHRESH,
2362 			.wthresh = IGB_DEFAULT_RX_WTHRESH,
2363 		},
2364 		.rx_free_thresh = IGB_DEFAULT_RX_FREE_THRESH,
2365 		.rx_drop_en = 0,
2366 		.offloads = 0,
2367 	};
2368 
2369 	dev_info->default_txconf = (struct rte_eth_txconf) {
2370 		.tx_thresh = {
2371 			.pthresh = IGB_DEFAULT_TX_PTHRESH,
2372 			.hthresh = IGB_DEFAULT_TX_HTHRESH,
2373 			.wthresh = IGB_DEFAULT_TX_WTHRESH,
2374 		},
2375 		.offloads = 0,
2376 	};
2377 
2378 	dev_info->rx_desc_lim = rx_desc_lim;
2379 	dev_info->tx_desc_lim = tx_desc_lim;
2380 }
2381 
2382 /* return 0 means link status changed, -1 means not changed */
2383 static int
2384 eth_igb_link_update(struct rte_eth_dev *dev, int wait_to_complete)
2385 {
2386 	struct e1000_hw *hw =
2387 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2388 	struct rte_eth_link link;
2389 	int link_check, count;
2390 
2391 	link_check = 0;
2392 	hw->mac.get_link_status = 1;
2393 
2394 	/* possible wait-to-complete in up to 9 seconds */
2395 	for (count = 0; count < IGB_LINK_UPDATE_CHECK_TIMEOUT; count ++) {
2396 		/* Read the real link status */
2397 		switch (hw->phy.media_type) {
2398 		case e1000_media_type_copper:
2399 			/* Do the work to read phy */
2400 			e1000_check_for_link(hw);
2401 			link_check = !hw->mac.get_link_status;
2402 			break;
2403 
2404 		case e1000_media_type_fiber:
2405 			e1000_check_for_link(hw);
2406 			link_check = (E1000_READ_REG(hw, E1000_STATUS) &
2407 				      E1000_STATUS_LU);
2408 			break;
2409 
2410 		case e1000_media_type_internal_serdes:
2411 			e1000_check_for_link(hw);
2412 			link_check = hw->mac.serdes_has_link;
2413 			break;
2414 
2415 		/* VF device is type_unknown */
2416 		case e1000_media_type_unknown:
2417 			eth_igbvf_link_update(hw);
2418 			link_check = !hw->mac.get_link_status;
2419 			break;
2420 
2421 		default:
2422 			break;
2423 		}
2424 		if (link_check || wait_to_complete == 0)
2425 			break;
2426 		rte_delay_ms(IGB_LINK_UPDATE_CHECK_INTERVAL);
2427 	}
2428 	memset(&link, 0, sizeof(link));
2429 
2430 	/* Now we check if a transition has happened */
2431 	if (link_check) {
2432 		uint16_t duplex, speed;
2433 		hw->mac.ops.get_link_up_info(hw, &speed, &duplex);
2434 		link.link_duplex = (duplex == FULL_DUPLEX) ?
2435 				ETH_LINK_FULL_DUPLEX :
2436 				ETH_LINK_HALF_DUPLEX;
2437 		link.link_speed = speed;
2438 		link.link_status = ETH_LINK_UP;
2439 		link.link_autoneg = !(dev->data->dev_conf.link_speeds &
2440 				ETH_LINK_SPEED_FIXED);
2441 	} else if (!link_check) {
2442 		link.link_speed = 0;
2443 		link.link_duplex = ETH_LINK_HALF_DUPLEX;
2444 		link.link_status = ETH_LINK_DOWN;
2445 		link.link_autoneg = ETH_LINK_FIXED;
2446 	}
2447 
2448 	return rte_eth_linkstatus_set(dev, &link);
2449 }
2450 
2451 /*
2452  * igb_hw_control_acquire sets CTRL_EXT:DRV_LOAD bit.
2453  * For ASF and Pass Through versions of f/w this means
2454  * that the driver is loaded.
2455  */
2456 static void
2457 igb_hw_control_acquire(struct e1000_hw *hw)
2458 {
2459 	uint32_t ctrl_ext;
2460 
2461 	/* Let firmware know the driver has taken over */
2462 	ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
2463 	E1000_WRITE_REG(hw, E1000_CTRL_EXT, ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
2464 }
2465 
2466 /*
2467  * igb_hw_control_release resets CTRL_EXT:DRV_LOAD bit.
2468  * For ASF and Pass Through versions of f/w this means that the
2469  * driver is no longer loaded.
2470  */
2471 static void
2472 igb_hw_control_release(struct e1000_hw *hw)
2473 {
2474 	uint32_t ctrl_ext;
2475 
2476 	/* Let firmware taken over control of h/w */
2477 	ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
2478 	E1000_WRITE_REG(hw, E1000_CTRL_EXT,
2479 			ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
2480 }
2481 
2482 /*
2483  * Bit of a misnomer, what this really means is
2484  * to enable OS management of the system... aka
2485  * to disable special hardware management features.
2486  */
2487 static void
2488 igb_init_manageability(struct e1000_hw *hw)
2489 {
2490 	if (e1000_enable_mng_pass_thru(hw)) {
2491 		uint32_t manc2h = E1000_READ_REG(hw, E1000_MANC2H);
2492 		uint32_t manc = E1000_READ_REG(hw, E1000_MANC);
2493 
2494 		/* disable hardware interception of ARP */
2495 		manc &= ~(E1000_MANC_ARP_EN);
2496 
2497 		/* enable receiving management packets to the host */
2498 		manc |= E1000_MANC_EN_MNG2HOST;
2499 		manc2h |= 1 << 5;  /* Mng Port 623 */
2500 		manc2h |= 1 << 6;  /* Mng Port 664 */
2501 		E1000_WRITE_REG(hw, E1000_MANC2H, manc2h);
2502 		E1000_WRITE_REG(hw, E1000_MANC, manc);
2503 	}
2504 }
2505 
2506 static void
2507 igb_release_manageability(struct e1000_hw *hw)
2508 {
2509 	if (e1000_enable_mng_pass_thru(hw)) {
2510 		uint32_t manc = E1000_READ_REG(hw, E1000_MANC);
2511 
2512 		manc |= E1000_MANC_ARP_EN;
2513 		manc &= ~E1000_MANC_EN_MNG2HOST;
2514 
2515 		E1000_WRITE_REG(hw, E1000_MANC, manc);
2516 	}
2517 }
2518 
2519 static void
2520 eth_igb_promiscuous_enable(struct rte_eth_dev *dev)
2521 {
2522 	struct e1000_hw *hw =
2523 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2524 	uint32_t rctl;
2525 
2526 	rctl = E1000_READ_REG(hw, E1000_RCTL);
2527 	rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
2528 	E1000_WRITE_REG(hw, E1000_RCTL, rctl);
2529 }
2530 
2531 static void
2532 eth_igb_promiscuous_disable(struct rte_eth_dev *dev)
2533 {
2534 	struct e1000_hw *hw =
2535 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2536 	uint32_t rctl;
2537 
2538 	rctl = E1000_READ_REG(hw, E1000_RCTL);
2539 	rctl &= (~E1000_RCTL_UPE);
2540 	if (dev->data->all_multicast == 1)
2541 		rctl |= E1000_RCTL_MPE;
2542 	else
2543 		rctl &= (~E1000_RCTL_MPE);
2544 	E1000_WRITE_REG(hw, E1000_RCTL, rctl);
2545 }
2546 
2547 static void
2548 eth_igb_allmulticast_enable(struct rte_eth_dev *dev)
2549 {
2550 	struct e1000_hw *hw =
2551 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2552 	uint32_t rctl;
2553 
2554 	rctl = E1000_READ_REG(hw, E1000_RCTL);
2555 	rctl |= E1000_RCTL_MPE;
2556 	E1000_WRITE_REG(hw, E1000_RCTL, rctl);
2557 }
2558 
2559 static void
2560 eth_igb_allmulticast_disable(struct rte_eth_dev *dev)
2561 {
2562 	struct e1000_hw *hw =
2563 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2564 	uint32_t rctl;
2565 
2566 	if (dev->data->promiscuous == 1)
2567 		return; /* must remain in all_multicast mode */
2568 	rctl = E1000_READ_REG(hw, E1000_RCTL);
2569 	rctl &= (~E1000_RCTL_MPE);
2570 	E1000_WRITE_REG(hw, E1000_RCTL, rctl);
2571 }
2572 
2573 static int
2574 eth_igb_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
2575 {
2576 	struct e1000_hw *hw =
2577 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2578 	struct e1000_vfta * shadow_vfta =
2579 		E1000_DEV_PRIVATE_TO_VFTA(dev->data->dev_private);
2580 	uint32_t vfta;
2581 	uint32_t vid_idx;
2582 	uint32_t vid_bit;
2583 
2584 	vid_idx = (uint32_t) ((vlan_id >> E1000_VFTA_ENTRY_SHIFT) &
2585 			      E1000_VFTA_ENTRY_MASK);
2586 	vid_bit = (uint32_t) (1 << (vlan_id & E1000_VFTA_ENTRY_BIT_SHIFT_MASK));
2587 	vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, vid_idx);
2588 	if (on)
2589 		vfta |= vid_bit;
2590 	else
2591 		vfta &= ~vid_bit;
2592 	E1000_WRITE_REG_ARRAY(hw, E1000_VFTA, vid_idx, vfta);
2593 
2594 	/* update local VFTA copy */
2595 	shadow_vfta->vfta[vid_idx] = vfta;
2596 
2597 	return 0;
2598 }
2599 
2600 static int
2601 eth_igb_vlan_tpid_set(struct rte_eth_dev *dev,
2602 		      enum rte_vlan_type vlan_type,
2603 		      uint16_t tpid)
2604 {
2605 	struct e1000_hw *hw =
2606 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2607 	uint32_t reg, qinq;
2608 
2609 	qinq = E1000_READ_REG(hw, E1000_CTRL_EXT);
2610 	qinq &= E1000_CTRL_EXT_EXT_VLAN;
2611 
2612 	/* only outer TPID of double VLAN can be configured*/
2613 	if (qinq && vlan_type == ETH_VLAN_TYPE_OUTER) {
2614 		reg = E1000_READ_REG(hw, E1000_VET);
2615 		reg = (reg & (~E1000_VET_VET_EXT)) |
2616 			((uint32_t)tpid << E1000_VET_VET_EXT_SHIFT);
2617 		E1000_WRITE_REG(hw, E1000_VET, reg);
2618 
2619 		return 0;
2620 	}
2621 
2622 	/* all other TPID values are read-only*/
2623 	PMD_DRV_LOG(ERR, "Not supported");
2624 
2625 	return -ENOTSUP;
2626 }
2627 
2628 static void
2629 igb_vlan_hw_filter_disable(struct rte_eth_dev *dev)
2630 {
2631 	struct e1000_hw *hw =
2632 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2633 	uint32_t reg;
2634 
2635 	/* Filter Table Disable */
2636 	reg = E1000_READ_REG(hw, E1000_RCTL);
2637 	reg &= ~E1000_RCTL_CFIEN;
2638 	reg &= ~E1000_RCTL_VFE;
2639 	E1000_WRITE_REG(hw, E1000_RCTL, reg);
2640 }
2641 
2642 static void
2643 igb_vlan_hw_filter_enable(struct rte_eth_dev *dev)
2644 {
2645 	struct e1000_hw *hw =
2646 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2647 	struct e1000_vfta * shadow_vfta =
2648 		E1000_DEV_PRIVATE_TO_VFTA(dev->data->dev_private);
2649 	uint32_t reg;
2650 	int i;
2651 
2652 	/* Filter Table Enable, CFI not used for packet acceptance */
2653 	reg = E1000_READ_REG(hw, E1000_RCTL);
2654 	reg &= ~E1000_RCTL_CFIEN;
2655 	reg |= E1000_RCTL_VFE;
2656 	E1000_WRITE_REG(hw, E1000_RCTL, reg);
2657 
2658 	/* restore VFTA table */
2659 	for (i = 0; i < IGB_VFTA_SIZE; i++)
2660 		E1000_WRITE_REG_ARRAY(hw, E1000_VFTA, i, shadow_vfta->vfta[i]);
2661 }
2662 
2663 static void
2664 igb_vlan_hw_strip_disable(struct rte_eth_dev *dev)
2665 {
2666 	struct e1000_hw *hw =
2667 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2668 	uint32_t reg;
2669 
2670 	/* VLAN Mode Disable */
2671 	reg = E1000_READ_REG(hw, E1000_CTRL);
2672 	reg &= ~E1000_CTRL_VME;
2673 	E1000_WRITE_REG(hw, E1000_CTRL, reg);
2674 }
2675 
2676 static void
2677 igb_vlan_hw_strip_enable(struct rte_eth_dev *dev)
2678 {
2679 	struct e1000_hw *hw =
2680 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2681 	uint32_t reg;
2682 
2683 	/* VLAN Mode Enable */
2684 	reg = E1000_READ_REG(hw, E1000_CTRL);
2685 	reg |= E1000_CTRL_VME;
2686 	E1000_WRITE_REG(hw, E1000_CTRL, reg);
2687 }
2688 
2689 static void
2690 igb_vlan_hw_extend_disable(struct rte_eth_dev *dev)
2691 {
2692 	struct e1000_hw *hw =
2693 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2694 	uint32_t reg;
2695 
2696 	/* CTRL_EXT: Extended VLAN */
2697 	reg = E1000_READ_REG(hw, E1000_CTRL_EXT);
2698 	reg &= ~E1000_CTRL_EXT_EXTEND_VLAN;
2699 	E1000_WRITE_REG(hw, E1000_CTRL_EXT, reg);
2700 
2701 	/* Update maximum packet length */
2702 	if (dev->data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME)
2703 		E1000_WRITE_REG(hw, E1000_RLPML,
2704 			dev->data->dev_conf.rxmode.max_rx_pkt_len +
2705 						VLAN_TAG_SIZE);
2706 }
2707 
2708 static void
2709 igb_vlan_hw_extend_enable(struct rte_eth_dev *dev)
2710 {
2711 	struct e1000_hw *hw =
2712 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2713 	uint32_t reg;
2714 
2715 	/* CTRL_EXT: Extended VLAN */
2716 	reg = E1000_READ_REG(hw, E1000_CTRL_EXT);
2717 	reg |= E1000_CTRL_EXT_EXTEND_VLAN;
2718 	E1000_WRITE_REG(hw, E1000_CTRL_EXT, reg);
2719 
2720 	/* Update maximum packet length */
2721 	if (dev->data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME)
2722 		E1000_WRITE_REG(hw, E1000_RLPML,
2723 			dev->data->dev_conf.rxmode.max_rx_pkt_len +
2724 						2 * VLAN_TAG_SIZE);
2725 }
2726 
2727 static int
2728 eth_igb_vlan_offload_set(struct rte_eth_dev *dev, int mask)
2729 {
2730 	struct rte_eth_rxmode *rxmode;
2731 
2732 	rxmode = &dev->data->dev_conf.rxmode;
2733 	if(mask & ETH_VLAN_STRIP_MASK){
2734 		if (rxmode->offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
2735 			igb_vlan_hw_strip_enable(dev);
2736 		else
2737 			igb_vlan_hw_strip_disable(dev);
2738 	}
2739 
2740 	if(mask & ETH_VLAN_FILTER_MASK){
2741 		if (rxmode->offloads & DEV_RX_OFFLOAD_VLAN_FILTER)
2742 			igb_vlan_hw_filter_enable(dev);
2743 		else
2744 			igb_vlan_hw_filter_disable(dev);
2745 	}
2746 
2747 	if(mask & ETH_VLAN_EXTEND_MASK){
2748 		if (rxmode->offloads & DEV_RX_OFFLOAD_VLAN_EXTEND)
2749 			igb_vlan_hw_extend_enable(dev);
2750 		else
2751 			igb_vlan_hw_extend_disable(dev);
2752 	}
2753 
2754 	return 0;
2755 }
2756 
2757 
2758 /**
2759  * It enables the interrupt mask and then enable the interrupt.
2760  *
2761  * @param dev
2762  *  Pointer to struct rte_eth_dev.
2763  * @param on
2764  *  Enable or Disable
2765  *
2766  * @return
2767  *  - On success, zero.
2768  *  - On failure, a negative value.
2769  */
2770 static int
2771 eth_igb_lsc_interrupt_setup(struct rte_eth_dev *dev, uint8_t on)
2772 {
2773 	struct e1000_interrupt *intr =
2774 		E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
2775 
2776 	if (on)
2777 		intr->mask |= E1000_ICR_LSC;
2778 	else
2779 		intr->mask &= ~E1000_ICR_LSC;
2780 
2781 	return 0;
2782 }
2783 
2784 /* It clears the interrupt causes and enables the interrupt.
2785  * It will be called once only during nic initialized.
2786  *
2787  * @param dev
2788  *  Pointer to struct rte_eth_dev.
2789  *
2790  * @return
2791  *  - On success, zero.
2792  *  - On failure, a negative value.
2793  */
2794 static int eth_igb_rxq_interrupt_setup(struct rte_eth_dev *dev)
2795 {
2796 	uint32_t mask, regval;
2797 	struct e1000_hw *hw =
2798 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2799 	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
2800 	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
2801 	int misc_shift = rte_intr_allow_others(intr_handle) ? 1 : 0;
2802 	struct rte_eth_dev_info dev_info;
2803 
2804 	memset(&dev_info, 0, sizeof(dev_info));
2805 	eth_igb_infos_get(dev, &dev_info);
2806 
2807 	mask = (0xFFFFFFFF >> (32 - dev_info.max_rx_queues)) << misc_shift;
2808 	regval = E1000_READ_REG(hw, E1000_EIMS);
2809 	E1000_WRITE_REG(hw, E1000_EIMS, regval | mask);
2810 
2811 	return 0;
2812 }
2813 
2814 /*
2815  * It reads ICR and gets interrupt causes, check it and set a bit flag
2816  * to update link status.
2817  *
2818  * @param dev
2819  *  Pointer to struct rte_eth_dev.
2820  *
2821  * @return
2822  *  - On success, zero.
2823  *  - On failure, a negative value.
2824  */
2825 static int
2826 eth_igb_interrupt_get_status(struct rte_eth_dev *dev)
2827 {
2828 	uint32_t icr;
2829 	struct e1000_hw *hw =
2830 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2831 	struct e1000_interrupt *intr =
2832 		E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
2833 
2834 	igb_intr_disable(dev);
2835 
2836 	/* read-on-clear nic registers here */
2837 	icr = E1000_READ_REG(hw, E1000_ICR);
2838 
2839 	intr->flags = 0;
2840 	if (icr & E1000_ICR_LSC) {
2841 		intr->flags |= E1000_FLAG_NEED_LINK_UPDATE;
2842 	}
2843 
2844 	if (icr & E1000_ICR_VMMB)
2845 		intr->flags |= E1000_FLAG_MAILBOX;
2846 
2847 	return 0;
2848 }
2849 
2850 /*
2851  * It executes link_update after knowing an interrupt is prsent.
2852  *
2853  * @param dev
2854  *  Pointer to struct rte_eth_dev.
2855  *
2856  * @return
2857  *  - On success, zero.
2858  *  - On failure, a negative value.
2859  */
2860 static int
2861 eth_igb_interrupt_action(struct rte_eth_dev *dev,
2862 			 struct rte_intr_handle *intr_handle)
2863 {
2864 	struct e1000_hw *hw =
2865 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2866 	struct e1000_interrupt *intr =
2867 		E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
2868 	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
2869 	struct rte_eth_link link;
2870 	int ret;
2871 
2872 	if (intr->flags & E1000_FLAG_MAILBOX) {
2873 		igb_pf_mbx_process(dev);
2874 		intr->flags &= ~E1000_FLAG_MAILBOX;
2875 	}
2876 
2877 	igb_intr_enable(dev);
2878 	rte_intr_ack(intr_handle);
2879 
2880 	if (intr->flags & E1000_FLAG_NEED_LINK_UPDATE) {
2881 		intr->flags &= ~E1000_FLAG_NEED_LINK_UPDATE;
2882 
2883 		/* set get_link_status to check register later */
2884 		hw->mac.get_link_status = 1;
2885 		ret = eth_igb_link_update(dev, 0);
2886 
2887 		/* check if link has changed */
2888 		if (ret < 0)
2889 			return 0;
2890 
2891 		rte_eth_linkstatus_get(dev, &link);
2892 		if (link.link_status) {
2893 			PMD_INIT_LOG(INFO,
2894 				     " Port %d: Link Up - speed %u Mbps - %s",
2895 				     dev->data->port_id,
2896 				     (unsigned)link.link_speed,
2897 				     link.link_duplex == ETH_LINK_FULL_DUPLEX ?
2898 				     "full-duplex" : "half-duplex");
2899 		} else {
2900 			PMD_INIT_LOG(INFO, " Port %d: Link Down",
2901 				     dev->data->port_id);
2902 		}
2903 
2904 		PMD_INIT_LOG(DEBUG, "PCI Address: %04d:%02d:%02d:%d",
2905 			     pci_dev->addr.domain,
2906 			     pci_dev->addr.bus,
2907 			     pci_dev->addr.devid,
2908 			     pci_dev->addr.function);
2909 		_rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC,
2910 					      NULL);
2911 	}
2912 
2913 	return 0;
2914 }
2915 
2916 /**
2917  * Interrupt handler which shall be registered at first.
2918  *
2919  * @param handle
2920  *  Pointer to interrupt handle.
2921  * @param param
2922  *  The address of parameter (struct rte_eth_dev *) regsitered before.
2923  *
2924  * @return
2925  *  void
2926  */
2927 static void
2928 eth_igb_interrupt_handler(void *param)
2929 {
2930 	struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
2931 
2932 	eth_igb_interrupt_get_status(dev);
2933 	eth_igb_interrupt_action(dev, dev->intr_handle);
2934 }
2935 
2936 static int
2937 eth_igbvf_interrupt_get_status(struct rte_eth_dev *dev)
2938 {
2939 	uint32_t eicr;
2940 	struct e1000_hw *hw =
2941 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2942 	struct e1000_interrupt *intr =
2943 		E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
2944 
2945 	igbvf_intr_disable(hw);
2946 
2947 	/* read-on-clear nic registers here */
2948 	eicr = E1000_READ_REG(hw, E1000_EICR);
2949 	intr->flags = 0;
2950 
2951 	if (eicr == E1000_VTIVAR_MISC_MAILBOX)
2952 		intr->flags |= E1000_FLAG_MAILBOX;
2953 
2954 	return 0;
2955 }
2956 
2957 void igbvf_mbx_process(struct rte_eth_dev *dev)
2958 {
2959 	struct e1000_hw *hw =
2960 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2961 	struct e1000_mbx_info *mbx = &hw->mbx;
2962 	u32 in_msg = 0;
2963 
2964 	/* peek the message first */
2965 	in_msg = E1000_READ_REG(hw, E1000_VMBMEM(0));
2966 
2967 	/* PF reset VF event */
2968 	if (in_msg == E1000_PF_CONTROL_MSG) {
2969 		/* dummy mbx read to ack pf */
2970 		if (mbx->ops.read(hw, &in_msg, 1, 0))
2971 			return;
2972 		_rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_RESET,
2973 					      NULL);
2974 	}
2975 }
2976 
2977 static int
2978 eth_igbvf_interrupt_action(struct rte_eth_dev *dev, struct rte_intr_handle *intr_handle)
2979 {
2980 	struct e1000_interrupt *intr =
2981 		E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
2982 
2983 	if (intr->flags & E1000_FLAG_MAILBOX) {
2984 		igbvf_mbx_process(dev);
2985 		intr->flags &= ~E1000_FLAG_MAILBOX;
2986 	}
2987 
2988 	igbvf_intr_enable(dev);
2989 	rte_intr_ack(intr_handle);
2990 
2991 	return 0;
2992 }
2993 
2994 static void
2995 eth_igbvf_interrupt_handler(void *param)
2996 {
2997 	struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
2998 
2999 	eth_igbvf_interrupt_get_status(dev);
3000 	eth_igbvf_interrupt_action(dev, dev->intr_handle);
3001 }
3002 
3003 static int
3004 eth_igb_led_on(struct rte_eth_dev *dev)
3005 {
3006 	struct e1000_hw *hw;
3007 
3008 	hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3009 	return e1000_led_on(hw) == E1000_SUCCESS ? 0 : -ENOTSUP;
3010 }
3011 
3012 static int
3013 eth_igb_led_off(struct rte_eth_dev *dev)
3014 {
3015 	struct e1000_hw *hw;
3016 
3017 	hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3018 	return e1000_led_off(hw) == E1000_SUCCESS ? 0 : -ENOTSUP;
3019 }
3020 
3021 static int
3022 eth_igb_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
3023 {
3024 	struct e1000_hw *hw;
3025 	uint32_t ctrl;
3026 	int tx_pause;
3027 	int rx_pause;
3028 
3029 	hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3030 	fc_conf->pause_time = hw->fc.pause_time;
3031 	fc_conf->high_water = hw->fc.high_water;
3032 	fc_conf->low_water = hw->fc.low_water;
3033 	fc_conf->send_xon = hw->fc.send_xon;
3034 	fc_conf->autoneg = hw->mac.autoneg;
3035 
3036 	/*
3037 	 * Return rx_pause and tx_pause status according to actual setting of
3038 	 * the TFCE and RFCE bits in the CTRL register.
3039 	 */
3040 	ctrl = E1000_READ_REG(hw, E1000_CTRL);
3041 	if (ctrl & E1000_CTRL_TFCE)
3042 		tx_pause = 1;
3043 	else
3044 		tx_pause = 0;
3045 
3046 	if (ctrl & E1000_CTRL_RFCE)
3047 		rx_pause = 1;
3048 	else
3049 		rx_pause = 0;
3050 
3051 	if (rx_pause && tx_pause)
3052 		fc_conf->mode = RTE_FC_FULL;
3053 	else if (rx_pause)
3054 		fc_conf->mode = RTE_FC_RX_PAUSE;
3055 	else if (tx_pause)
3056 		fc_conf->mode = RTE_FC_TX_PAUSE;
3057 	else
3058 		fc_conf->mode = RTE_FC_NONE;
3059 
3060 	return 0;
3061 }
3062 
3063 static int
3064 eth_igb_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
3065 {
3066 	struct e1000_hw *hw;
3067 	int err;
3068 	enum e1000_fc_mode rte_fcmode_2_e1000_fcmode[] = {
3069 		e1000_fc_none,
3070 		e1000_fc_rx_pause,
3071 		e1000_fc_tx_pause,
3072 		e1000_fc_full
3073 	};
3074 	uint32_t rx_buf_size;
3075 	uint32_t max_high_water;
3076 	uint32_t rctl;
3077 
3078 	hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3079 	if (fc_conf->autoneg != hw->mac.autoneg)
3080 		return -ENOTSUP;
3081 	rx_buf_size = igb_get_rx_buffer_size(hw);
3082 	PMD_INIT_LOG(DEBUG, "Rx packet buffer size = 0x%x", rx_buf_size);
3083 
3084 	/* At least reserve one Ethernet frame for watermark */
3085 	max_high_water = rx_buf_size - RTE_ETHER_MAX_LEN;
3086 	if ((fc_conf->high_water > max_high_water) ||
3087 	    (fc_conf->high_water < fc_conf->low_water)) {
3088 		PMD_INIT_LOG(ERR, "e1000 incorrect high/low water value");
3089 		PMD_INIT_LOG(ERR, "high water must <=  0x%x", max_high_water);
3090 		return -EINVAL;
3091 	}
3092 
3093 	hw->fc.requested_mode = rte_fcmode_2_e1000_fcmode[fc_conf->mode];
3094 	hw->fc.pause_time     = fc_conf->pause_time;
3095 	hw->fc.high_water     = fc_conf->high_water;
3096 	hw->fc.low_water      = fc_conf->low_water;
3097 	hw->fc.send_xon	      = fc_conf->send_xon;
3098 
3099 	err = e1000_setup_link_generic(hw);
3100 	if (err == E1000_SUCCESS) {
3101 
3102 		/* check if we want to forward MAC frames - driver doesn't have native
3103 		 * capability to do that, so we'll write the registers ourselves */
3104 
3105 		rctl = E1000_READ_REG(hw, E1000_RCTL);
3106 
3107 		/* set or clear MFLCN.PMCF bit depending on configuration */
3108 		if (fc_conf->mac_ctrl_frame_fwd != 0)
3109 			rctl |= E1000_RCTL_PMCF;
3110 		else
3111 			rctl &= ~E1000_RCTL_PMCF;
3112 
3113 		E1000_WRITE_REG(hw, E1000_RCTL, rctl);
3114 		E1000_WRITE_FLUSH(hw);
3115 
3116 		return 0;
3117 	}
3118 
3119 	PMD_INIT_LOG(ERR, "e1000_setup_link_generic = 0x%x", err);
3120 	return -EIO;
3121 }
3122 
3123 #define E1000_RAH_POOLSEL_SHIFT      (18)
3124 static int
3125 eth_igb_rar_set(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr,
3126 		uint32_t index, uint32_t pool)
3127 {
3128 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3129 	uint32_t rah;
3130 
3131 	e1000_rar_set(hw, mac_addr->addr_bytes, index);
3132 	rah = E1000_READ_REG(hw, E1000_RAH(index));
3133 	rah |= (0x1 << (E1000_RAH_POOLSEL_SHIFT + pool));
3134 	E1000_WRITE_REG(hw, E1000_RAH(index), rah);
3135 	return 0;
3136 }
3137 
3138 static void
3139 eth_igb_rar_clear(struct rte_eth_dev *dev, uint32_t index)
3140 {
3141 	uint8_t addr[RTE_ETHER_ADDR_LEN];
3142 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3143 
3144 	memset(addr, 0, sizeof(addr));
3145 
3146 	e1000_rar_set(hw, addr, index);
3147 }
3148 
3149 static int
3150 eth_igb_default_mac_addr_set(struct rte_eth_dev *dev,
3151 				struct rte_ether_addr *addr)
3152 {
3153 	eth_igb_rar_clear(dev, 0);
3154 	eth_igb_rar_set(dev, (void *)addr, 0, 0);
3155 
3156 	return 0;
3157 }
3158 /*
3159  * Virtual Function operations
3160  */
3161 static void
3162 igbvf_intr_disable(struct e1000_hw *hw)
3163 {
3164 	PMD_INIT_FUNC_TRACE();
3165 
3166 	/* Clear interrupt mask to stop from interrupts being generated */
3167 	E1000_WRITE_REG(hw, E1000_EIMC, 0xFFFF);
3168 
3169 	E1000_WRITE_FLUSH(hw);
3170 }
3171 
3172 static void
3173 igbvf_stop_adapter(struct rte_eth_dev *dev)
3174 {
3175 	u32 reg_val;
3176 	u16 i;
3177 	struct rte_eth_dev_info dev_info;
3178 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3179 
3180 	memset(&dev_info, 0, sizeof(dev_info));
3181 	eth_igbvf_infos_get(dev, &dev_info);
3182 
3183 	/* Clear interrupt mask to stop from interrupts being generated */
3184 	igbvf_intr_disable(hw);
3185 
3186 	/* Clear any pending interrupts, flush previous writes */
3187 	E1000_READ_REG(hw, E1000_EICR);
3188 
3189 	/* Disable the transmit unit.  Each queue must be disabled. */
3190 	for (i = 0; i < dev_info.max_tx_queues; i++)
3191 		E1000_WRITE_REG(hw, E1000_TXDCTL(i), E1000_TXDCTL_SWFLSH);
3192 
3193 	/* Disable the receive unit by stopping each queue */
3194 	for (i = 0; i < dev_info.max_rx_queues; i++) {
3195 		reg_val = E1000_READ_REG(hw, E1000_RXDCTL(i));
3196 		reg_val &= ~E1000_RXDCTL_QUEUE_ENABLE;
3197 		E1000_WRITE_REG(hw, E1000_RXDCTL(i), reg_val);
3198 		while (E1000_READ_REG(hw, E1000_RXDCTL(i)) & E1000_RXDCTL_QUEUE_ENABLE)
3199 			;
3200 	}
3201 
3202 	/* flush all queues disables */
3203 	E1000_WRITE_FLUSH(hw);
3204 	msec_delay(2);
3205 }
3206 
3207 static int eth_igbvf_link_update(struct e1000_hw *hw)
3208 {
3209 	struct e1000_mbx_info *mbx = &hw->mbx;
3210 	struct e1000_mac_info *mac = &hw->mac;
3211 	int ret_val = E1000_SUCCESS;
3212 
3213 	PMD_INIT_LOG(DEBUG, "e1000_check_for_link_vf");
3214 
3215 	/*
3216 	 * We only want to run this if there has been a rst asserted.
3217 	 * in this case that could mean a link change, device reset,
3218 	 * or a virtual function reset
3219 	 */
3220 
3221 	/* If we were hit with a reset or timeout drop the link */
3222 	if (!e1000_check_for_rst(hw, 0) || !mbx->timeout)
3223 		mac->get_link_status = TRUE;
3224 
3225 	if (!mac->get_link_status)
3226 		goto out;
3227 
3228 	/* if link status is down no point in checking to see if pf is up */
3229 	if (!(E1000_READ_REG(hw, E1000_STATUS) & E1000_STATUS_LU))
3230 		goto out;
3231 
3232 	/* if we passed all the tests above then the link is up and we no
3233 	 * longer need to check for link */
3234 	mac->get_link_status = FALSE;
3235 
3236 out:
3237 	return ret_val;
3238 }
3239 
3240 
3241 static int
3242 igbvf_dev_configure(struct rte_eth_dev *dev)
3243 {
3244 	struct rte_eth_conf* conf = &dev->data->dev_conf;
3245 
3246 	PMD_INIT_LOG(DEBUG, "Configured Virtual Function port id: %d",
3247 		     dev->data->port_id);
3248 
3249 	/*
3250 	 * VF has no ability to enable/disable HW CRC
3251 	 * Keep the persistent behavior the same as Host PF
3252 	 */
3253 #ifndef RTE_LIBRTE_E1000_PF_DISABLE_STRIP_CRC
3254 	if (conf->rxmode.offloads & DEV_RX_OFFLOAD_KEEP_CRC) {
3255 		PMD_INIT_LOG(NOTICE, "VF can't disable HW CRC Strip");
3256 		conf->rxmode.offloads &= ~DEV_RX_OFFLOAD_KEEP_CRC;
3257 	}
3258 #else
3259 	if (!(conf->rxmode.offloads & DEV_RX_OFFLOAD_KEEP_CRC)) {
3260 		PMD_INIT_LOG(NOTICE, "VF can't enable HW CRC Strip");
3261 		conf->rxmode.offloads |= DEV_RX_OFFLOAD_KEEP_CRC;
3262 	}
3263 #endif
3264 
3265 	return 0;
3266 }
3267 
3268 static int
3269 igbvf_dev_start(struct rte_eth_dev *dev)
3270 {
3271 	struct e1000_hw *hw =
3272 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3273 	struct e1000_adapter *adapter =
3274 		E1000_DEV_PRIVATE(dev->data->dev_private);
3275 	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
3276 	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
3277 	int ret;
3278 	uint32_t intr_vector = 0;
3279 
3280 	PMD_INIT_FUNC_TRACE();
3281 
3282 	hw->mac.ops.reset_hw(hw);
3283 	adapter->stopped = 0;
3284 
3285 	/* Set all vfta */
3286 	igbvf_set_vfta_all(dev,1);
3287 
3288 	eth_igbvf_tx_init(dev);
3289 
3290 	/* This can fail when allocating mbufs for descriptor rings */
3291 	ret = eth_igbvf_rx_init(dev);
3292 	if (ret) {
3293 		PMD_INIT_LOG(ERR, "Unable to initialize RX hardware");
3294 		igb_dev_clear_queues(dev);
3295 		return ret;
3296 	}
3297 
3298 	/* check and configure queue intr-vector mapping */
3299 	if (rte_intr_cap_multiple(intr_handle) &&
3300 	    dev->data->dev_conf.intr_conf.rxq) {
3301 		intr_vector = dev->data->nb_rx_queues;
3302 		ret = rte_intr_efd_enable(intr_handle, intr_vector);
3303 		if (ret)
3304 			return ret;
3305 	}
3306 
3307 	if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) {
3308 		intr_handle->intr_vec =
3309 			rte_zmalloc("intr_vec",
3310 				    dev->data->nb_rx_queues * sizeof(int), 0);
3311 		if (!intr_handle->intr_vec) {
3312 			PMD_INIT_LOG(ERR, "Failed to allocate %d rx_queues"
3313 				     " intr_vec", dev->data->nb_rx_queues);
3314 			return -ENOMEM;
3315 		}
3316 	}
3317 
3318 	eth_igbvf_configure_msix_intr(dev);
3319 
3320 	/* enable uio/vfio intr/eventfd mapping */
3321 	rte_intr_enable(intr_handle);
3322 
3323 	/* resume enabled intr since hw reset */
3324 	igbvf_intr_enable(dev);
3325 
3326 	return 0;
3327 }
3328 
3329 static void
3330 igbvf_dev_stop(struct rte_eth_dev *dev)
3331 {
3332 	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
3333 	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
3334 
3335 	PMD_INIT_FUNC_TRACE();
3336 
3337 	igbvf_stop_adapter(dev);
3338 
3339 	/*
3340 	  * Clear what we set, but we still keep shadow_vfta to
3341 	  * restore after device starts
3342 	  */
3343 	igbvf_set_vfta_all(dev,0);
3344 
3345 	igb_dev_clear_queues(dev);
3346 
3347 	/* disable intr eventfd mapping */
3348 	rte_intr_disable(intr_handle);
3349 
3350 	/* Clean datapath event and queue/vec mapping */
3351 	rte_intr_efd_disable(intr_handle);
3352 	if (intr_handle->intr_vec) {
3353 		rte_free(intr_handle->intr_vec);
3354 		intr_handle->intr_vec = NULL;
3355 	}
3356 }
3357 
3358 static void
3359 igbvf_dev_close(struct rte_eth_dev *dev)
3360 {
3361 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3362 	struct e1000_adapter *adapter =
3363 		E1000_DEV_PRIVATE(dev->data->dev_private);
3364 	struct rte_ether_addr addr;
3365 
3366 	PMD_INIT_FUNC_TRACE();
3367 
3368 	e1000_reset_hw(hw);
3369 
3370 	igbvf_dev_stop(dev);
3371 	adapter->stopped = 1;
3372 	igb_dev_free_queues(dev);
3373 
3374 	/**
3375 	 * reprogram the RAR with a zero mac address,
3376 	 * to ensure that the VF traffic goes to the PF
3377 	 * after stop, close and detach of the VF.
3378 	 **/
3379 
3380 	memset(&addr, 0, sizeof(addr));
3381 	igbvf_default_mac_addr_set(dev, &addr);
3382 }
3383 
3384 static void
3385 igbvf_promiscuous_enable(struct rte_eth_dev *dev)
3386 {
3387 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3388 
3389 	/* Set both unicast and multicast promisc */
3390 	e1000_promisc_set_vf(hw, e1000_promisc_enabled);
3391 }
3392 
3393 static void
3394 igbvf_promiscuous_disable(struct rte_eth_dev *dev)
3395 {
3396 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3397 
3398 	/* If in allmulticast mode leave multicast promisc */
3399 	if (dev->data->all_multicast == 1)
3400 		e1000_promisc_set_vf(hw, e1000_promisc_multicast);
3401 	else
3402 		e1000_promisc_set_vf(hw, e1000_promisc_disabled);
3403 }
3404 
3405 static void
3406 igbvf_allmulticast_enable(struct rte_eth_dev *dev)
3407 {
3408 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3409 
3410 	/* In promiscuous mode multicast promisc already set */
3411 	if (dev->data->promiscuous == 0)
3412 		e1000_promisc_set_vf(hw, e1000_promisc_multicast);
3413 }
3414 
3415 static void
3416 igbvf_allmulticast_disable(struct rte_eth_dev *dev)
3417 {
3418 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3419 
3420 	/* In promiscuous mode leave multicast promisc enabled */
3421 	if (dev->data->promiscuous == 0)
3422 		e1000_promisc_set_vf(hw, e1000_promisc_disabled);
3423 }
3424 
3425 static int igbvf_set_vfta(struct e1000_hw *hw, uint16_t vid, bool on)
3426 {
3427 	struct e1000_mbx_info *mbx = &hw->mbx;
3428 	uint32_t msgbuf[2];
3429 	s32 err;
3430 
3431 	/* After set vlan, vlan strip will also be enabled in igb driver*/
3432 	msgbuf[0] = E1000_VF_SET_VLAN;
3433 	msgbuf[1] = vid;
3434 	/* Setting the 8 bit field MSG INFO to TRUE indicates "add" */
3435 	if (on)
3436 		msgbuf[0] |= E1000_VF_SET_VLAN_ADD;
3437 
3438 	err = mbx->ops.write_posted(hw, msgbuf, 2, 0);
3439 	if (err)
3440 		goto mbx_err;
3441 
3442 	err = mbx->ops.read_posted(hw, msgbuf, 2, 0);
3443 	if (err)
3444 		goto mbx_err;
3445 
3446 	msgbuf[0] &= ~E1000_VT_MSGTYPE_CTS;
3447 	if (msgbuf[0] == (E1000_VF_SET_VLAN | E1000_VT_MSGTYPE_NACK))
3448 		err = -EINVAL;
3449 
3450 mbx_err:
3451 	return err;
3452 }
3453 
3454 static void igbvf_set_vfta_all(struct rte_eth_dev *dev, bool on)
3455 {
3456 	struct e1000_hw *hw =
3457 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3458 	struct e1000_vfta * shadow_vfta =
3459 		E1000_DEV_PRIVATE_TO_VFTA(dev->data->dev_private);
3460 	int i = 0, j = 0, vfta = 0, mask = 1;
3461 
3462 	for (i = 0; i < IGB_VFTA_SIZE; i++){
3463 		vfta = shadow_vfta->vfta[i];
3464 		if(vfta){
3465 			mask = 1;
3466 			for (j = 0; j < 32; j++){
3467 				if(vfta & mask)
3468 					igbvf_set_vfta(hw,
3469 						(uint16_t)((i<<5)+j), on);
3470 				mask<<=1;
3471 			}
3472 		}
3473 	}
3474 
3475 }
3476 
3477 static int
3478 igbvf_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
3479 {
3480 	struct e1000_hw *hw =
3481 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3482 	struct e1000_vfta * shadow_vfta =
3483 		E1000_DEV_PRIVATE_TO_VFTA(dev->data->dev_private);
3484 	uint32_t vid_idx = 0;
3485 	uint32_t vid_bit = 0;
3486 	int ret = 0;
3487 
3488 	PMD_INIT_FUNC_TRACE();
3489 
3490 	/*vind is not used in VF driver, set to 0, check ixgbe_set_vfta_vf*/
3491 	ret = igbvf_set_vfta(hw, vlan_id, !!on);
3492 	if(ret){
3493 		PMD_INIT_LOG(ERR, "Unable to set VF vlan");
3494 		return ret;
3495 	}
3496 	vid_idx = (uint32_t) ((vlan_id >> 5) & 0x7F);
3497 	vid_bit = (uint32_t) (1 << (vlan_id & 0x1F));
3498 
3499 	/*Save what we set and retore it after device reset*/
3500 	if (on)
3501 		shadow_vfta->vfta[vid_idx] |= vid_bit;
3502 	else
3503 		shadow_vfta->vfta[vid_idx] &= ~vid_bit;
3504 
3505 	return 0;
3506 }
3507 
3508 static int
3509 igbvf_default_mac_addr_set(struct rte_eth_dev *dev, struct rte_ether_addr *addr)
3510 {
3511 	struct e1000_hw *hw =
3512 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3513 
3514 	/* index is not used by rar_set() */
3515 	hw->mac.ops.rar_set(hw, (void *)addr, 0);
3516 	return 0;
3517 }
3518 
3519 
3520 static int
3521 eth_igb_rss_reta_update(struct rte_eth_dev *dev,
3522 			struct rte_eth_rss_reta_entry64 *reta_conf,
3523 			uint16_t reta_size)
3524 {
3525 	uint8_t i, j, mask;
3526 	uint32_t reta, r;
3527 	uint16_t idx, shift;
3528 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3529 
3530 	if (reta_size != ETH_RSS_RETA_SIZE_128) {
3531 		PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
3532 			"(%d) doesn't match the number hardware can supported "
3533 			"(%d)", reta_size, ETH_RSS_RETA_SIZE_128);
3534 		return -EINVAL;
3535 	}
3536 
3537 	for (i = 0; i < reta_size; i += IGB_4_BIT_WIDTH) {
3538 		idx = i / RTE_RETA_GROUP_SIZE;
3539 		shift = i % RTE_RETA_GROUP_SIZE;
3540 		mask = (uint8_t)((reta_conf[idx].mask >> shift) &
3541 						IGB_4_BIT_MASK);
3542 		if (!mask)
3543 			continue;
3544 		if (mask == IGB_4_BIT_MASK)
3545 			r = 0;
3546 		else
3547 			r = E1000_READ_REG(hw, E1000_RETA(i >> 2));
3548 		for (j = 0, reta = 0; j < IGB_4_BIT_WIDTH; j++) {
3549 			if (mask & (0x1 << j))
3550 				reta |= reta_conf[idx].reta[shift + j] <<
3551 							(CHAR_BIT * j);
3552 			else
3553 				reta |= r & (IGB_8_BIT_MASK << (CHAR_BIT * j));
3554 		}
3555 		E1000_WRITE_REG(hw, E1000_RETA(i >> 2), reta);
3556 	}
3557 
3558 	return 0;
3559 }
3560 
3561 static int
3562 eth_igb_rss_reta_query(struct rte_eth_dev *dev,
3563 		       struct rte_eth_rss_reta_entry64 *reta_conf,
3564 		       uint16_t reta_size)
3565 {
3566 	uint8_t i, j, mask;
3567 	uint32_t reta;
3568 	uint16_t idx, shift;
3569 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3570 
3571 	if (reta_size != ETH_RSS_RETA_SIZE_128) {
3572 		PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
3573 			"(%d) doesn't match the number hardware can supported "
3574 			"(%d)", reta_size, ETH_RSS_RETA_SIZE_128);
3575 		return -EINVAL;
3576 	}
3577 
3578 	for (i = 0; i < reta_size; i += IGB_4_BIT_WIDTH) {
3579 		idx = i / RTE_RETA_GROUP_SIZE;
3580 		shift = i % RTE_RETA_GROUP_SIZE;
3581 		mask = (uint8_t)((reta_conf[idx].mask >> shift) &
3582 						IGB_4_BIT_MASK);
3583 		if (!mask)
3584 			continue;
3585 		reta = E1000_READ_REG(hw, E1000_RETA(i >> 2));
3586 		for (j = 0; j < IGB_4_BIT_WIDTH; j++) {
3587 			if (mask & (0x1 << j))
3588 				reta_conf[idx].reta[shift + j] =
3589 					((reta >> (CHAR_BIT * j)) &
3590 						IGB_8_BIT_MASK);
3591 		}
3592 	}
3593 
3594 	return 0;
3595 }
3596 
3597 int
3598 eth_igb_syn_filter_set(struct rte_eth_dev *dev,
3599 			struct rte_eth_syn_filter *filter,
3600 			bool add)
3601 {
3602 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3603 	struct e1000_filter_info *filter_info =
3604 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
3605 	uint32_t synqf, rfctl;
3606 
3607 	if (filter->queue >= IGB_MAX_RX_QUEUE_NUM)
3608 		return -EINVAL;
3609 
3610 	synqf = E1000_READ_REG(hw, E1000_SYNQF(0));
3611 
3612 	if (add) {
3613 		if (synqf & E1000_SYN_FILTER_ENABLE)
3614 			return -EINVAL;
3615 
3616 		synqf = (uint32_t)(((filter->queue << E1000_SYN_FILTER_QUEUE_SHIFT) &
3617 			E1000_SYN_FILTER_QUEUE) | E1000_SYN_FILTER_ENABLE);
3618 
3619 		rfctl = E1000_READ_REG(hw, E1000_RFCTL);
3620 		if (filter->hig_pri)
3621 			rfctl |= E1000_RFCTL_SYNQFP;
3622 		else
3623 			rfctl &= ~E1000_RFCTL_SYNQFP;
3624 
3625 		E1000_WRITE_REG(hw, E1000_RFCTL, rfctl);
3626 	} else {
3627 		if (!(synqf & E1000_SYN_FILTER_ENABLE))
3628 			return -ENOENT;
3629 		synqf = 0;
3630 	}
3631 
3632 	filter_info->syn_info = synqf;
3633 	E1000_WRITE_REG(hw, E1000_SYNQF(0), synqf);
3634 	E1000_WRITE_FLUSH(hw);
3635 	return 0;
3636 }
3637 
3638 static int
3639 eth_igb_syn_filter_get(struct rte_eth_dev *dev,
3640 			struct rte_eth_syn_filter *filter)
3641 {
3642 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3643 	uint32_t synqf, rfctl;
3644 
3645 	synqf = E1000_READ_REG(hw, E1000_SYNQF(0));
3646 	if (synqf & E1000_SYN_FILTER_ENABLE) {
3647 		rfctl = E1000_READ_REG(hw, E1000_RFCTL);
3648 		filter->hig_pri = (rfctl & E1000_RFCTL_SYNQFP) ? 1 : 0;
3649 		filter->queue = (uint8_t)((synqf & E1000_SYN_FILTER_QUEUE) >>
3650 				E1000_SYN_FILTER_QUEUE_SHIFT);
3651 		return 0;
3652 	}
3653 
3654 	return -ENOENT;
3655 }
3656 
3657 static int
3658 eth_igb_syn_filter_handle(struct rte_eth_dev *dev,
3659 			enum rte_filter_op filter_op,
3660 			void *arg)
3661 {
3662 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3663 	int ret;
3664 
3665 	MAC_TYPE_FILTER_SUP(hw->mac.type);
3666 
3667 	if (filter_op == RTE_ETH_FILTER_NOP)
3668 		return 0;
3669 
3670 	if (arg == NULL) {
3671 		PMD_DRV_LOG(ERR, "arg shouldn't be NULL for operation %u",
3672 			    filter_op);
3673 		return -EINVAL;
3674 	}
3675 
3676 	switch (filter_op) {
3677 	case RTE_ETH_FILTER_ADD:
3678 		ret = eth_igb_syn_filter_set(dev,
3679 				(struct rte_eth_syn_filter *)arg,
3680 				TRUE);
3681 		break;
3682 	case RTE_ETH_FILTER_DELETE:
3683 		ret = eth_igb_syn_filter_set(dev,
3684 				(struct rte_eth_syn_filter *)arg,
3685 				FALSE);
3686 		break;
3687 	case RTE_ETH_FILTER_GET:
3688 		ret = eth_igb_syn_filter_get(dev,
3689 				(struct rte_eth_syn_filter *)arg);
3690 		break;
3691 	default:
3692 		PMD_DRV_LOG(ERR, "unsupported operation %u", filter_op);
3693 		ret = -EINVAL;
3694 		break;
3695 	}
3696 
3697 	return ret;
3698 }
3699 
3700 /* translate elements in struct rte_eth_ntuple_filter to struct e1000_2tuple_filter_info*/
3701 static inline int
3702 ntuple_filter_to_2tuple(struct rte_eth_ntuple_filter *filter,
3703 			struct e1000_2tuple_filter_info *filter_info)
3704 {
3705 	if (filter->queue >= IGB_MAX_RX_QUEUE_NUM)
3706 		return -EINVAL;
3707 	if (filter->priority > E1000_2TUPLE_MAX_PRI)
3708 		return -EINVAL;  /* filter index is out of range. */
3709 	if (filter->tcp_flags > RTE_NTUPLE_TCP_FLAGS_MASK)
3710 		return -EINVAL;  /* flags is invalid. */
3711 
3712 	switch (filter->dst_port_mask) {
3713 	case UINT16_MAX:
3714 		filter_info->dst_port_mask = 0;
3715 		filter_info->dst_port = filter->dst_port;
3716 		break;
3717 	case 0:
3718 		filter_info->dst_port_mask = 1;
3719 		break;
3720 	default:
3721 		PMD_DRV_LOG(ERR, "invalid dst_port mask.");
3722 		return -EINVAL;
3723 	}
3724 
3725 	switch (filter->proto_mask) {
3726 	case UINT8_MAX:
3727 		filter_info->proto_mask = 0;
3728 		filter_info->proto = filter->proto;
3729 		break;
3730 	case 0:
3731 		filter_info->proto_mask = 1;
3732 		break;
3733 	default:
3734 		PMD_DRV_LOG(ERR, "invalid protocol mask.");
3735 		return -EINVAL;
3736 	}
3737 
3738 	filter_info->priority = (uint8_t)filter->priority;
3739 	if (filter->flags & RTE_NTUPLE_FLAGS_TCP_FLAG)
3740 		filter_info->tcp_flags = filter->tcp_flags;
3741 	else
3742 		filter_info->tcp_flags = 0;
3743 
3744 	return 0;
3745 }
3746 
3747 static inline struct e1000_2tuple_filter *
3748 igb_2tuple_filter_lookup(struct e1000_2tuple_filter_list *filter_list,
3749 			struct e1000_2tuple_filter_info *key)
3750 {
3751 	struct e1000_2tuple_filter *it;
3752 
3753 	TAILQ_FOREACH(it, filter_list, entries) {
3754 		if (memcmp(key, &it->filter_info,
3755 			sizeof(struct e1000_2tuple_filter_info)) == 0) {
3756 			return it;
3757 		}
3758 	}
3759 	return NULL;
3760 }
3761 
3762 /* inject a igb 2tuple filter to HW */
3763 static inline void
3764 igb_inject_2uple_filter(struct rte_eth_dev *dev,
3765 			   struct e1000_2tuple_filter *filter)
3766 {
3767 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3768 	uint32_t ttqf = E1000_TTQF_DISABLE_MASK;
3769 	uint32_t imir, imir_ext = E1000_IMIREXT_SIZE_BP;
3770 	int i;
3771 
3772 	i = filter->index;
3773 	imir = (uint32_t)(filter->filter_info.dst_port & E1000_IMIR_DSTPORT);
3774 	if (filter->filter_info.dst_port_mask == 1) /* 1b means not compare. */
3775 		imir |= E1000_IMIR_PORT_BP;
3776 	else
3777 		imir &= ~E1000_IMIR_PORT_BP;
3778 
3779 	imir |= filter->filter_info.priority << E1000_IMIR_PRIORITY_SHIFT;
3780 
3781 	ttqf |= E1000_TTQF_QUEUE_ENABLE;
3782 	ttqf |= (uint32_t)(filter->queue << E1000_TTQF_QUEUE_SHIFT);
3783 	ttqf |= (uint32_t)(filter->filter_info.proto &
3784 						E1000_TTQF_PROTOCOL_MASK);
3785 	if (filter->filter_info.proto_mask == 0)
3786 		ttqf &= ~E1000_TTQF_MASK_ENABLE;
3787 
3788 	/* tcp flags bits setting. */
3789 	if (filter->filter_info.tcp_flags & RTE_NTUPLE_TCP_FLAGS_MASK) {
3790 		if (filter->filter_info.tcp_flags & RTE_TCP_URG_FLAG)
3791 			imir_ext |= E1000_IMIREXT_CTRL_URG;
3792 		if (filter->filter_info.tcp_flags & RTE_TCP_ACK_FLAG)
3793 			imir_ext |= E1000_IMIREXT_CTRL_ACK;
3794 		if (filter->filter_info.tcp_flags & RTE_TCP_PSH_FLAG)
3795 			imir_ext |= E1000_IMIREXT_CTRL_PSH;
3796 		if (filter->filter_info.tcp_flags & RTE_TCP_RST_FLAG)
3797 			imir_ext |= E1000_IMIREXT_CTRL_RST;
3798 		if (filter->filter_info.tcp_flags & RTE_TCP_SYN_FLAG)
3799 			imir_ext |= E1000_IMIREXT_CTRL_SYN;
3800 		if (filter->filter_info.tcp_flags & RTE_TCP_FIN_FLAG)
3801 			imir_ext |= E1000_IMIREXT_CTRL_FIN;
3802 	} else {
3803 		imir_ext |= E1000_IMIREXT_CTRL_BP;
3804 	}
3805 	E1000_WRITE_REG(hw, E1000_IMIR(i), imir);
3806 	E1000_WRITE_REG(hw, E1000_TTQF(i), ttqf);
3807 	E1000_WRITE_REG(hw, E1000_IMIREXT(i), imir_ext);
3808 }
3809 
3810 /*
3811  * igb_add_2tuple_filter - add a 2tuple filter
3812  *
3813  * @param
3814  * dev: Pointer to struct rte_eth_dev.
3815  * ntuple_filter: ponter to the filter that will be added.
3816  *
3817  * @return
3818  *    - On success, zero.
3819  *    - On failure, a negative value.
3820  */
3821 static int
3822 igb_add_2tuple_filter(struct rte_eth_dev *dev,
3823 			struct rte_eth_ntuple_filter *ntuple_filter)
3824 {
3825 	struct e1000_filter_info *filter_info =
3826 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
3827 	struct e1000_2tuple_filter *filter;
3828 	int i, ret;
3829 
3830 	filter = rte_zmalloc("e1000_2tuple_filter",
3831 			sizeof(struct e1000_2tuple_filter), 0);
3832 	if (filter == NULL)
3833 		return -ENOMEM;
3834 
3835 	ret = ntuple_filter_to_2tuple(ntuple_filter,
3836 				      &filter->filter_info);
3837 	if (ret < 0) {
3838 		rte_free(filter);
3839 		return ret;
3840 	}
3841 	if (igb_2tuple_filter_lookup(&filter_info->twotuple_list,
3842 					 &filter->filter_info) != NULL) {
3843 		PMD_DRV_LOG(ERR, "filter exists.");
3844 		rte_free(filter);
3845 		return -EEXIST;
3846 	}
3847 	filter->queue = ntuple_filter->queue;
3848 
3849 	/*
3850 	 * look for an unused 2tuple filter index,
3851 	 * and insert the filter to list.
3852 	 */
3853 	for (i = 0; i < E1000_MAX_TTQF_FILTERS; i++) {
3854 		if (!(filter_info->twotuple_mask & (1 << i))) {
3855 			filter_info->twotuple_mask |= 1 << i;
3856 			filter->index = i;
3857 			TAILQ_INSERT_TAIL(&filter_info->twotuple_list,
3858 					  filter,
3859 					  entries);
3860 			break;
3861 		}
3862 	}
3863 	if (i >= E1000_MAX_TTQF_FILTERS) {
3864 		PMD_DRV_LOG(ERR, "2tuple filters are full.");
3865 		rte_free(filter);
3866 		return -ENOSYS;
3867 	}
3868 
3869 	igb_inject_2uple_filter(dev, filter);
3870 	return 0;
3871 }
3872 
3873 int
3874 igb_delete_2tuple_filter(struct rte_eth_dev *dev,
3875 			struct e1000_2tuple_filter *filter)
3876 {
3877 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3878 	struct e1000_filter_info *filter_info =
3879 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
3880 
3881 	filter_info->twotuple_mask &= ~(1 << filter->index);
3882 	TAILQ_REMOVE(&filter_info->twotuple_list, filter, entries);
3883 	rte_free(filter);
3884 
3885 	E1000_WRITE_REG(hw, E1000_TTQF(filter->index), E1000_TTQF_DISABLE_MASK);
3886 	E1000_WRITE_REG(hw, E1000_IMIR(filter->index), 0);
3887 	E1000_WRITE_REG(hw, E1000_IMIREXT(filter->index), 0);
3888 	return 0;
3889 }
3890 
3891 /*
3892  * igb_remove_2tuple_filter - remove a 2tuple filter
3893  *
3894  * @param
3895  * dev: Pointer to struct rte_eth_dev.
3896  * ntuple_filter: ponter to the filter that will be removed.
3897  *
3898  * @return
3899  *    - On success, zero.
3900  *    - On failure, a negative value.
3901  */
3902 static int
3903 igb_remove_2tuple_filter(struct rte_eth_dev *dev,
3904 			struct rte_eth_ntuple_filter *ntuple_filter)
3905 {
3906 	struct e1000_filter_info *filter_info =
3907 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
3908 	struct e1000_2tuple_filter_info filter_2tuple;
3909 	struct e1000_2tuple_filter *filter;
3910 	int ret;
3911 
3912 	memset(&filter_2tuple, 0, sizeof(struct e1000_2tuple_filter_info));
3913 	ret = ntuple_filter_to_2tuple(ntuple_filter,
3914 				      &filter_2tuple);
3915 	if (ret < 0)
3916 		return ret;
3917 
3918 	filter = igb_2tuple_filter_lookup(&filter_info->twotuple_list,
3919 					 &filter_2tuple);
3920 	if (filter == NULL) {
3921 		PMD_DRV_LOG(ERR, "filter doesn't exist.");
3922 		return -ENOENT;
3923 	}
3924 
3925 	igb_delete_2tuple_filter(dev, filter);
3926 
3927 	return 0;
3928 }
3929 
3930 /* inject a igb flex filter to HW */
3931 static inline void
3932 igb_inject_flex_filter(struct rte_eth_dev *dev,
3933 			   struct e1000_flex_filter *filter)
3934 {
3935 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3936 	uint32_t wufc, queueing;
3937 	uint32_t reg_off;
3938 	uint8_t i, j = 0;
3939 
3940 	wufc = E1000_READ_REG(hw, E1000_WUFC);
3941 	if (filter->index < E1000_MAX_FHFT)
3942 		reg_off = E1000_FHFT(filter->index);
3943 	else
3944 		reg_off = E1000_FHFT_EXT(filter->index - E1000_MAX_FHFT);
3945 
3946 	E1000_WRITE_REG(hw, E1000_WUFC, wufc | E1000_WUFC_FLEX_HQ |
3947 			(E1000_WUFC_FLX0 << filter->index));
3948 	queueing = filter->filter_info.len |
3949 		(filter->queue << E1000_FHFT_QUEUEING_QUEUE_SHIFT) |
3950 		(filter->filter_info.priority <<
3951 			E1000_FHFT_QUEUEING_PRIO_SHIFT);
3952 	E1000_WRITE_REG(hw, reg_off + E1000_FHFT_QUEUEING_OFFSET,
3953 			queueing);
3954 
3955 	for (i = 0; i < E1000_FLEX_FILTERS_MASK_SIZE; i++) {
3956 		E1000_WRITE_REG(hw, reg_off,
3957 				filter->filter_info.dwords[j]);
3958 		reg_off += sizeof(uint32_t);
3959 		E1000_WRITE_REG(hw, reg_off,
3960 				filter->filter_info.dwords[++j]);
3961 		reg_off += sizeof(uint32_t);
3962 		E1000_WRITE_REG(hw, reg_off,
3963 			(uint32_t)filter->filter_info.mask[i]);
3964 		reg_off += sizeof(uint32_t) * 2;
3965 		++j;
3966 	}
3967 }
3968 
3969 static inline struct e1000_flex_filter *
3970 eth_igb_flex_filter_lookup(struct e1000_flex_filter_list *filter_list,
3971 			struct e1000_flex_filter_info *key)
3972 {
3973 	struct e1000_flex_filter *it;
3974 
3975 	TAILQ_FOREACH(it, filter_list, entries) {
3976 		if (memcmp(key, &it->filter_info,
3977 			sizeof(struct e1000_flex_filter_info)) == 0)
3978 			return it;
3979 	}
3980 
3981 	return NULL;
3982 }
3983 
3984 /* remove a flex byte filter
3985  * @param
3986  * dev: Pointer to struct rte_eth_dev.
3987  * filter: the pointer of the filter will be removed.
3988  */
3989 void
3990 igb_remove_flex_filter(struct rte_eth_dev *dev,
3991 			struct e1000_flex_filter *filter)
3992 {
3993 	struct e1000_filter_info *filter_info =
3994 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
3995 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3996 	uint32_t wufc, i;
3997 	uint32_t reg_off;
3998 
3999 	wufc = E1000_READ_REG(hw, E1000_WUFC);
4000 	if (filter->index < E1000_MAX_FHFT)
4001 		reg_off = E1000_FHFT(filter->index);
4002 	else
4003 		reg_off = E1000_FHFT_EXT(filter->index - E1000_MAX_FHFT);
4004 
4005 	for (i = 0; i < E1000_FHFT_SIZE_IN_DWD; i++)
4006 		E1000_WRITE_REG(hw, reg_off + i * sizeof(uint32_t), 0);
4007 
4008 	E1000_WRITE_REG(hw, E1000_WUFC, wufc &
4009 		(~(E1000_WUFC_FLX0 << filter->index)));
4010 
4011 	filter_info->flex_mask &= ~(1 << filter->index);
4012 	TAILQ_REMOVE(&filter_info->flex_list, filter, entries);
4013 	rte_free(filter);
4014 }
4015 
4016 int
4017 eth_igb_add_del_flex_filter(struct rte_eth_dev *dev,
4018 			struct rte_eth_flex_filter *filter,
4019 			bool add)
4020 {
4021 	struct e1000_filter_info *filter_info =
4022 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
4023 	struct e1000_flex_filter *flex_filter, *it;
4024 	uint32_t mask;
4025 	uint8_t shift, i;
4026 
4027 	flex_filter = rte_zmalloc("e1000_flex_filter",
4028 			sizeof(struct e1000_flex_filter), 0);
4029 	if (flex_filter == NULL)
4030 		return -ENOMEM;
4031 
4032 	flex_filter->filter_info.len = filter->len;
4033 	flex_filter->filter_info.priority = filter->priority;
4034 	memcpy(flex_filter->filter_info.dwords, filter->bytes, filter->len);
4035 	for (i = 0; i < RTE_ALIGN(filter->len, CHAR_BIT) / CHAR_BIT; i++) {
4036 		mask = 0;
4037 		/* reverse bits in flex filter's mask*/
4038 		for (shift = 0; shift < CHAR_BIT; shift++) {
4039 			if (filter->mask[i] & (0x01 << shift))
4040 				mask |= (0x80 >> shift);
4041 		}
4042 		flex_filter->filter_info.mask[i] = mask;
4043 	}
4044 
4045 	it = eth_igb_flex_filter_lookup(&filter_info->flex_list,
4046 				&flex_filter->filter_info);
4047 	if (it == NULL && !add) {
4048 		PMD_DRV_LOG(ERR, "filter doesn't exist.");
4049 		rte_free(flex_filter);
4050 		return -ENOENT;
4051 	}
4052 	if (it != NULL && add) {
4053 		PMD_DRV_LOG(ERR, "filter exists.");
4054 		rte_free(flex_filter);
4055 		return -EEXIST;
4056 	}
4057 
4058 	if (add) {
4059 		flex_filter->queue = filter->queue;
4060 		/*
4061 		 * look for an unused flex filter index
4062 		 * and insert the filter into the list.
4063 		 */
4064 		for (i = 0; i < E1000_MAX_FLEX_FILTERS; i++) {
4065 			if (!(filter_info->flex_mask & (1 << i))) {
4066 				filter_info->flex_mask |= 1 << i;
4067 				flex_filter->index = i;
4068 				TAILQ_INSERT_TAIL(&filter_info->flex_list,
4069 					flex_filter,
4070 					entries);
4071 				break;
4072 			}
4073 		}
4074 		if (i >= E1000_MAX_FLEX_FILTERS) {
4075 			PMD_DRV_LOG(ERR, "flex filters are full.");
4076 			rte_free(flex_filter);
4077 			return -ENOSYS;
4078 		}
4079 
4080 		igb_inject_flex_filter(dev, flex_filter);
4081 
4082 	} else {
4083 		igb_remove_flex_filter(dev, it);
4084 		rte_free(flex_filter);
4085 	}
4086 
4087 	return 0;
4088 }
4089 
4090 static int
4091 eth_igb_get_flex_filter(struct rte_eth_dev *dev,
4092 			struct rte_eth_flex_filter *filter)
4093 {
4094 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4095 	struct e1000_filter_info *filter_info =
4096 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
4097 	struct e1000_flex_filter flex_filter, *it;
4098 	uint32_t wufc, queueing, wufc_en = 0;
4099 
4100 	memset(&flex_filter, 0, sizeof(struct e1000_flex_filter));
4101 	flex_filter.filter_info.len = filter->len;
4102 	flex_filter.filter_info.priority = filter->priority;
4103 	memcpy(flex_filter.filter_info.dwords, filter->bytes, filter->len);
4104 	memcpy(flex_filter.filter_info.mask, filter->mask,
4105 			RTE_ALIGN(filter->len, CHAR_BIT) / CHAR_BIT);
4106 
4107 	it = eth_igb_flex_filter_lookup(&filter_info->flex_list,
4108 				&flex_filter.filter_info);
4109 	if (it == NULL) {
4110 		PMD_DRV_LOG(ERR, "filter doesn't exist.");
4111 		return -ENOENT;
4112 	}
4113 
4114 	wufc = E1000_READ_REG(hw, E1000_WUFC);
4115 	wufc_en = E1000_WUFC_FLEX_HQ | (E1000_WUFC_FLX0 << it->index);
4116 
4117 	if ((wufc & wufc_en) == wufc_en) {
4118 		uint32_t reg_off = 0;
4119 		if (it->index < E1000_MAX_FHFT)
4120 			reg_off = E1000_FHFT(it->index);
4121 		else
4122 			reg_off = E1000_FHFT_EXT(it->index - E1000_MAX_FHFT);
4123 
4124 		queueing = E1000_READ_REG(hw,
4125 				reg_off + E1000_FHFT_QUEUEING_OFFSET);
4126 		filter->len = queueing & E1000_FHFT_QUEUEING_LEN;
4127 		filter->priority = (queueing & E1000_FHFT_QUEUEING_PRIO) >>
4128 			E1000_FHFT_QUEUEING_PRIO_SHIFT;
4129 		filter->queue = (queueing & E1000_FHFT_QUEUEING_QUEUE) >>
4130 			E1000_FHFT_QUEUEING_QUEUE_SHIFT;
4131 		return 0;
4132 	}
4133 	return -ENOENT;
4134 }
4135 
4136 static int
4137 eth_igb_flex_filter_handle(struct rte_eth_dev *dev,
4138 			enum rte_filter_op filter_op,
4139 			void *arg)
4140 {
4141 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4142 	struct rte_eth_flex_filter *filter;
4143 	int ret = 0;
4144 
4145 	MAC_TYPE_FILTER_SUP_EXT(hw->mac.type);
4146 
4147 	if (filter_op == RTE_ETH_FILTER_NOP)
4148 		return ret;
4149 
4150 	if (arg == NULL) {
4151 		PMD_DRV_LOG(ERR, "arg shouldn't be NULL for operation %u",
4152 			    filter_op);
4153 		return -EINVAL;
4154 	}
4155 
4156 	filter = (struct rte_eth_flex_filter *)arg;
4157 	if (filter->len == 0 || filter->len > E1000_MAX_FLEX_FILTER_LEN
4158 	    || filter->len % sizeof(uint64_t) != 0) {
4159 		PMD_DRV_LOG(ERR, "filter's length is out of range");
4160 		return -EINVAL;
4161 	}
4162 	if (filter->priority > E1000_MAX_FLEX_FILTER_PRI) {
4163 		PMD_DRV_LOG(ERR, "filter's priority is out of range");
4164 		return -EINVAL;
4165 	}
4166 
4167 	switch (filter_op) {
4168 	case RTE_ETH_FILTER_ADD:
4169 		ret = eth_igb_add_del_flex_filter(dev, filter, TRUE);
4170 		break;
4171 	case RTE_ETH_FILTER_DELETE:
4172 		ret = eth_igb_add_del_flex_filter(dev, filter, FALSE);
4173 		break;
4174 	case RTE_ETH_FILTER_GET:
4175 		ret = eth_igb_get_flex_filter(dev, filter);
4176 		break;
4177 	default:
4178 		PMD_DRV_LOG(ERR, "unsupported operation %u", filter_op);
4179 		ret = -EINVAL;
4180 		break;
4181 	}
4182 
4183 	return ret;
4184 }
4185 
4186 /* translate elements in struct rte_eth_ntuple_filter to struct e1000_5tuple_filter_info*/
4187 static inline int
4188 ntuple_filter_to_5tuple_82576(struct rte_eth_ntuple_filter *filter,
4189 			struct e1000_5tuple_filter_info *filter_info)
4190 {
4191 	if (filter->queue >= IGB_MAX_RX_QUEUE_NUM_82576)
4192 		return -EINVAL;
4193 	if (filter->priority > E1000_2TUPLE_MAX_PRI)
4194 		return -EINVAL;  /* filter index is out of range. */
4195 	if (filter->tcp_flags > RTE_NTUPLE_TCP_FLAGS_MASK)
4196 		return -EINVAL;  /* flags is invalid. */
4197 
4198 	switch (filter->dst_ip_mask) {
4199 	case UINT32_MAX:
4200 		filter_info->dst_ip_mask = 0;
4201 		filter_info->dst_ip = filter->dst_ip;
4202 		break;
4203 	case 0:
4204 		filter_info->dst_ip_mask = 1;
4205 		break;
4206 	default:
4207 		PMD_DRV_LOG(ERR, "invalid dst_ip mask.");
4208 		return -EINVAL;
4209 	}
4210 
4211 	switch (filter->src_ip_mask) {
4212 	case UINT32_MAX:
4213 		filter_info->src_ip_mask = 0;
4214 		filter_info->src_ip = filter->src_ip;
4215 		break;
4216 	case 0:
4217 		filter_info->src_ip_mask = 1;
4218 		break;
4219 	default:
4220 		PMD_DRV_LOG(ERR, "invalid src_ip mask.");
4221 		return -EINVAL;
4222 	}
4223 
4224 	switch (filter->dst_port_mask) {
4225 	case UINT16_MAX:
4226 		filter_info->dst_port_mask = 0;
4227 		filter_info->dst_port = filter->dst_port;
4228 		break;
4229 	case 0:
4230 		filter_info->dst_port_mask = 1;
4231 		break;
4232 	default:
4233 		PMD_DRV_LOG(ERR, "invalid dst_port mask.");
4234 		return -EINVAL;
4235 	}
4236 
4237 	switch (filter->src_port_mask) {
4238 	case UINT16_MAX:
4239 		filter_info->src_port_mask = 0;
4240 		filter_info->src_port = filter->src_port;
4241 		break;
4242 	case 0:
4243 		filter_info->src_port_mask = 1;
4244 		break;
4245 	default:
4246 		PMD_DRV_LOG(ERR, "invalid src_port mask.");
4247 		return -EINVAL;
4248 	}
4249 
4250 	switch (filter->proto_mask) {
4251 	case UINT8_MAX:
4252 		filter_info->proto_mask = 0;
4253 		filter_info->proto = filter->proto;
4254 		break;
4255 	case 0:
4256 		filter_info->proto_mask = 1;
4257 		break;
4258 	default:
4259 		PMD_DRV_LOG(ERR, "invalid protocol mask.");
4260 		return -EINVAL;
4261 	}
4262 
4263 	filter_info->priority = (uint8_t)filter->priority;
4264 	if (filter->flags & RTE_NTUPLE_FLAGS_TCP_FLAG)
4265 		filter_info->tcp_flags = filter->tcp_flags;
4266 	else
4267 		filter_info->tcp_flags = 0;
4268 
4269 	return 0;
4270 }
4271 
4272 static inline struct e1000_5tuple_filter *
4273 igb_5tuple_filter_lookup_82576(struct e1000_5tuple_filter_list *filter_list,
4274 			struct e1000_5tuple_filter_info *key)
4275 {
4276 	struct e1000_5tuple_filter *it;
4277 
4278 	TAILQ_FOREACH(it, filter_list, entries) {
4279 		if (memcmp(key, &it->filter_info,
4280 			sizeof(struct e1000_5tuple_filter_info)) == 0) {
4281 			return it;
4282 		}
4283 	}
4284 	return NULL;
4285 }
4286 
4287 /* inject a igb 5-tuple filter to HW */
4288 static inline void
4289 igb_inject_5tuple_filter_82576(struct rte_eth_dev *dev,
4290 			   struct e1000_5tuple_filter *filter)
4291 {
4292 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4293 	uint32_t ftqf = E1000_FTQF_VF_BP | E1000_FTQF_MASK;
4294 	uint32_t spqf, imir, imir_ext = E1000_IMIREXT_SIZE_BP;
4295 	uint8_t i;
4296 
4297 	i = filter->index;
4298 	ftqf |= filter->filter_info.proto & E1000_FTQF_PROTOCOL_MASK;
4299 	if (filter->filter_info.src_ip_mask == 0) /* 0b means compare. */
4300 		ftqf &= ~E1000_FTQF_MASK_SOURCE_ADDR_BP;
4301 	if (filter->filter_info.dst_ip_mask == 0)
4302 		ftqf &= ~E1000_FTQF_MASK_DEST_ADDR_BP;
4303 	if (filter->filter_info.src_port_mask == 0)
4304 		ftqf &= ~E1000_FTQF_MASK_SOURCE_PORT_BP;
4305 	if (filter->filter_info.proto_mask == 0)
4306 		ftqf &= ~E1000_FTQF_MASK_PROTO_BP;
4307 	ftqf |= (filter->queue << E1000_FTQF_QUEUE_SHIFT) &
4308 		E1000_FTQF_QUEUE_MASK;
4309 	ftqf |= E1000_FTQF_QUEUE_ENABLE;
4310 	E1000_WRITE_REG(hw, E1000_FTQF(i), ftqf);
4311 	E1000_WRITE_REG(hw, E1000_DAQF(i), filter->filter_info.dst_ip);
4312 	E1000_WRITE_REG(hw, E1000_SAQF(i), filter->filter_info.src_ip);
4313 
4314 	spqf = filter->filter_info.src_port & E1000_SPQF_SRCPORT;
4315 	E1000_WRITE_REG(hw, E1000_SPQF(i), spqf);
4316 
4317 	imir = (uint32_t)(filter->filter_info.dst_port & E1000_IMIR_DSTPORT);
4318 	if (filter->filter_info.dst_port_mask == 1) /* 1b means not compare. */
4319 		imir |= E1000_IMIR_PORT_BP;
4320 	else
4321 		imir &= ~E1000_IMIR_PORT_BP;
4322 	imir |= filter->filter_info.priority << E1000_IMIR_PRIORITY_SHIFT;
4323 
4324 	/* tcp flags bits setting. */
4325 	if (filter->filter_info.tcp_flags & RTE_NTUPLE_TCP_FLAGS_MASK) {
4326 		if (filter->filter_info.tcp_flags & RTE_TCP_URG_FLAG)
4327 			imir_ext |= E1000_IMIREXT_CTRL_URG;
4328 		if (filter->filter_info.tcp_flags & RTE_TCP_ACK_FLAG)
4329 			imir_ext |= E1000_IMIREXT_CTRL_ACK;
4330 		if (filter->filter_info.tcp_flags & RTE_TCP_PSH_FLAG)
4331 			imir_ext |= E1000_IMIREXT_CTRL_PSH;
4332 		if (filter->filter_info.tcp_flags & RTE_TCP_RST_FLAG)
4333 			imir_ext |= E1000_IMIREXT_CTRL_RST;
4334 		if (filter->filter_info.tcp_flags & RTE_TCP_SYN_FLAG)
4335 			imir_ext |= E1000_IMIREXT_CTRL_SYN;
4336 		if (filter->filter_info.tcp_flags & RTE_TCP_FIN_FLAG)
4337 			imir_ext |= E1000_IMIREXT_CTRL_FIN;
4338 	} else {
4339 		imir_ext |= E1000_IMIREXT_CTRL_BP;
4340 	}
4341 	E1000_WRITE_REG(hw, E1000_IMIR(i), imir);
4342 	E1000_WRITE_REG(hw, E1000_IMIREXT(i), imir_ext);
4343 }
4344 
4345 /*
4346  * igb_add_5tuple_filter_82576 - add a 5tuple filter
4347  *
4348  * @param
4349  * dev: Pointer to struct rte_eth_dev.
4350  * ntuple_filter: ponter to the filter that will be added.
4351  *
4352  * @return
4353  *    - On success, zero.
4354  *    - On failure, a negative value.
4355  */
4356 static int
4357 igb_add_5tuple_filter_82576(struct rte_eth_dev *dev,
4358 			struct rte_eth_ntuple_filter *ntuple_filter)
4359 {
4360 	struct e1000_filter_info *filter_info =
4361 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
4362 	struct e1000_5tuple_filter *filter;
4363 	uint8_t i;
4364 	int ret;
4365 
4366 	filter = rte_zmalloc("e1000_5tuple_filter",
4367 			sizeof(struct e1000_5tuple_filter), 0);
4368 	if (filter == NULL)
4369 		return -ENOMEM;
4370 
4371 	ret = ntuple_filter_to_5tuple_82576(ntuple_filter,
4372 					    &filter->filter_info);
4373 	if (ret < 0) {
4374 		rte_free(filter);
4375 		return ret;
4376 	}
4377 
4378 	if (igb_5tuple_filter_lookup_82576(&filter_info->fivetuple_list,
4379 					 &filter->filter_info) != NULL) {
4380 		PMD_DRV_LOG(ERR, "filter exists.");
4381 		rte_free(filter);
4382 		return -EEXIST;
4383 	}
4384 	filter->queue = ntuple_filter->queue;
4385 
4386 	/*
4387 	 * look for an unused 5tuple filter index,
4388 	 * and insert the filter to list.
4389 	 */
4390 	for (i = 0; i < E1000_MAX_FTQF_FILTERS; i++) {
4391 		if (!(filter_info->fivetuple_mask & (1 << i))) {
4392 			filter_info->fivetuple_mask |= 1 << i;
4393 			filter->index = i;
4394 			TAILQ_INSERT_TAIL(&filter_info->fivetuple_list,
4395 					  filter,
4396 					  entries);
4397 			break;
4398 		}
4399 	}
4400 	if (i >= E1000_MAX_FTQF_FILTERS) {
4401 		PMD_DRV_LOG(ERR, "5tuple filters are full.");
4402 		rte_free(filter);
4403 		return -ENOSYS;
4404 	}
4405 
4406 	igb_inject_5tuple_filter_82576(dev, filter);
4407 	return 0;
4408 }
4409 
4410 int
4411 igb_delete_5tuple_filter_82576(struct rte_eth_dev *dev,
4412 				struct e1000_5tuple_filter *filter)
4413 {
4414 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4415 	struct e1000_filter_info *filter_info =
4416 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
4417 
4418 	filter_info->fivetuple_mask &= ~(1 << filter->index);
4419 	TAILQ_REMOVE(&filter_info->fivetuple_list, filter, entries);
4420 	rte_free(filter);
4421 
4422 	E1000_WRITE_REG(hw, E1000_FTQF(filter->index),
4423 			E1000_FTQF_VF_BP | E1000_FTQF_MASK);
4424 	E1000_WRITE_REG(hw, E1000_DAQF(filter->index), 0);
4425 	E1000_WRITE_REG(hw, E1000_SAQF(filter->index), 0);
4426 	E1000_WRITE_REG(hw, E1000_SPQF(filter->index), 0);
4427 	E1000_WRITE_REG(hw, E1000_IMIR(filter->index), 0);
4428 	E1000_WRITE_REG(hw, E1000_IMIREXT(filter->index), 0);
4429 	return 0;
4430 }
4431 
4432 /*
4433  * igb_remove_5tuple_filter_82576 - remove a 5tuple filter
4434  *
4435  * @param
4436  * dev: Pointer to struct rte_eth_dev.
4437  * ntuple_filter: ponter to the filter that will be removed.
4438  *
4439  * @return
4440  *    - On success, zero.
4441  *    - On failure, a negative value.
4442  */
4443 static int
4444 igb_remove_5tuple_filter_82576(struct rte_eth_dev *dev,
4445 				struct rte_eth_ntuple_filter *ntuple_filter)
4446 {
4447 	struct e1000_filter_info *filter_info =
4448 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
4449 	struct e1000_5tuple_filter_info filter_5tuple;
4450 	struct e1000_5tuple_filter *filter;
4451 	int ret;
4452 
4453 	memset(&filter_5tuple, 0, sizeof(struct e1000_5tuple_filter_info));
4454 	ret = ntuple_filter_to_5tuple_82576(ntuple_filter,
4455 					    &filter_5tuple);
4456 	if (ret < 0)
4457 		return ret;
4458 
4459 	filter = igb_5tuple_filter_lookup_82576(&filter_info->fivetuple_list,
4460 					 &filter_5tuple);
4461 	if (filter == NULL) {
4462 		PMD_DRV_LOG(ERR, "filter doesn't exist.");
4463 		return -ENOENT;
4464 	}
4465 
4466 	igb_delete_5tuple_filter_82576(dev, filter);
4467 
4468 	return 0;
4469 }
4470 
4471 static int
4472 eth_igb_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
4473 {
4474 	uint32_t rctl;
4475 	struct e1000_hw *hw;
4476 	struct rte_eth_dev_info dev_info;
4477 	uint32_t frame_size = mtu + E1000_ETH_OVERHEAD;
4478 
4479 	hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4480 
4481 #ifdef RTE_LIBRTE_82571_SUPPORT
4482 	/* XXX: not bigger than max_rx_pktlen */
4483 	if (hw->mac.type == e1000_82571)
4484 		return -ENOTSUP;
4485 #endif
4486 	eth_igb_infos_get(dev, &dev_info);
4487 
4488 	/* check that mtu is within the allowed range */
4489 	if (mtu < RTE_ETHER_MIN_MTU ||
4490 			frame_size > dev_info.max_rx_pktlen)
4491 		return -EINVAL;
4492 
4493 	/* refuse mtu that requires the support of scattered packets when this
4494 	 * feature has not been enabled before. */
4495 	if (!dev->data->scattered_rx &&
4496 	    frame_size > dev->data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM)
4497 		return -EINVAL;
4498 
4499 	rctl = E1000_READ_REG(hw, E1000_RCTL);
4500 
4501 	/* switch to jumbo mode if needed */
4502 	if (frame_size > RTE_ETHER_MAX_LEN) {
4503 		dev->data->dev_conf.rxmode.offloads |=
4504 			DEV_RX_OFFLOAD_JUMBO_FRAME;
4505 		rctl |= E1000_RCTL_LPE;
4506 	} else {
4507 		dev->data->dev_conf.rxmode.offloads &=
4508 			~DEV_RX_OFFLOAD_JUMBO_FRAME;
4509 		rctl &= ~E1000_RCTL_LPE;
4510 	}
4511 	E1000_WRITE_REG(hw, E1000_RCTL, rctl);
4512 
4513 	/* update max frame size */
4514 	dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
4515 
4516 	E1000_WRITE_REG(hw, E1000_RLPML,
4517 			dev->data->dev_conf.rxmode.max_rx_pkt_len);
4518 
4519 	return 0;
4520 }
4521 
4522 /*
4523  * igb_add_del_ntuple_filter - add or delete a ntuple filter
4524  *
4525  * @param
4526  * dev: Pointer to struct rte_eth_dev.
4527  * ntuple_filter: Pointer to struct rte_eth_ntuple_filter
4528  * add: if true, add filter, if false, remove filter
4529  *
4530  * @return
4531  *    - On success, zero.
4532  *    - On failure, a negative value.
4533  */
4534 int
4535 igb_add_del_ntuple_filter(struct rte_eth_dev *dev,
4536 			struct rte_eth_ntuple_filter *ntuple_filter,
4537 			bool add)
4538 {
4539 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4540 	int ret;
4541 
4542 	switch (ntuple_filter->flags) {
4543 	case RTE_5TUPLE_FLAGS:
4544 	case (RTE_5TUPLE_FLAGS | RTE_NTUPLE_FLAGS_TCP_FLAG):
4545 		if (hw->mac.type != e1000_82576)
4546 			return -ENOTSUP;
4547 		if (add)
4548 			ret = igb_add_5tuple_filter_82576(dev,
4549 							  ntuple_filter);
4550 		else
4551 			ret = igb_remove_5tuple_filter_82576(dev,
4552 							     ntuple_filter);
4553 		break;
4554 	case RTE_2TUPLE_FLAGS:
4555 	case (RTE_2TUPLE_FLAGS | RTE_NTUPLE_FLAGS_TCP_FLAG):
4556 		if (hw->mac.type != e1000_82580 && hw->mac.type != e1000_i350 &&
4557 			hw->mac.type != e1000_i210 &&
4558 			hw->mac.type != e1000_i211)
4559 			return -ENOTSUP;
4560 		if (add)
4561 			ret = igb_add_2tuple_filter(dev, ntuple_filter);
4562 		else
4563 			ret = igb_remove_2tuple_filter(dev, ntuple_filter);
4564 		break;
4565 	default:
4566 		ret = -EINVAL;
4567 		break;
4568 	}
4569 
4570 	return ret;
4571 }
4572 
4573 /*
4574  * igb_get_ntuple_filter - get a ntuple filter
4575  *
4576  * @param
4577  * dev: Pointer to struct rte_eth_dev.
4578  * ntuple_filter: Pointer to struct rte_eth_ntuple_filter
4579  *
4580  * @return
4581  *    - On success, zero.
4582  *    - On failure, a negative value.
4583  */
4584 static int
4585 igb_get_ntuple_filter(struct rte_eth_dev *dev,
4586 			struct rte_eth_ntuple_filter *ntuple_filter)
4587 {
4588 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4589 	struct e1000_filter_info *filter_info =
4590 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
4591 	struct e1000_5tuple_filter_info filter_5tuple;
4592 	struct e1000_2tuple_filter_info filter_2tuple;
4593 	struct e1000_5tuple_filter *p_5tuple_filter;
4594 	struct e1000_2tuple_filter *p_2tuple_filter;
4595 	int ret;
4596 
4597 	switch (ntuple_filter->flags) {
4598 	case RTE_5TUPLE_FLAGS:
4599 	case (RTE_5TUPLE_FLAGS | RTE_NTUPLE_FLAGS_TCP_FLAG):
4600 		if (hw->mac.type != e1000_82576)
4601 			return -ENOTSUP;
4602 		memset(&filter_5tuple,
4603 			0,
4604 			sizeof(struct e1000_5tuple_filter_info));
4605 		ret = ntuple_filter_to_5tuple_82576(ntuple_filter,
4606 						    &filter_5tuple);
4607 		if (ret < 0)
4608 			return ret;
4609 		p_5tuple_filter = igb_5tuple_filter_lookup_82576(
4610 					&filter_info->fivetuple_list,
4611 					&filter_5tuple);
4612 		if (p_5tuple_filter == NULL) {
4613 			PMD_DRV_LOG(ERR, "filter doesn't exist.");
4614 			return -ENOENT;
4615 		}
4616 		ntuple_filter->queue = p_5tuple_filter->queue;
4617 		break;
4618 	case RTE_2TUPLE_FLAGS:
4619 	case (RTE_2TUPLE_FLAGS | RTE_NTUPLE_FLAGS_TCP_FLAG):
4620 		if (hw->mac.type != e1000_82580 && hw->mac.type != e1000_i350)
4621 			return -ENOTSUP;
4622 		memset(&filter_2tuple,
4623 			0,
4624 			sizeof(struct e1000_2tuple_filter_info));
4625 		ret = ntuple_filter_to_2tuple(ntuple_filter, &filter_2tuple);
4626 		if (ret < 0)
4627 			return ret;
4628 		p_2tuple_filter = igb_2tuple_filter_lookup(
4629 					&filter_info->twotuple_list,
4630 					&filter_2tuple);
4631 		if (p_2tuple_filter == NULL) {
4632 			PMD_DRV_LOG(ERR, "filter doesn't exist.");
4633 			return -ENOENT;
4634 		}
4635 		ntuple_filter->queue = p_2tuple_filter->queue;
4636 		break;
4637 	default:
4638 		ret = -EINVAL;
4639 		break;
4640 	}
4641 
4642 	return 0;
4643 }
4644 
4645 /*
4646  * igb_ntuple_filter_handle - Handle operations for ntuple filter.
4647  * @dev: pointer to rte_eth_dev structure
4648  * @filter_op:operation will be taken.
4649  * @arg: a pointer to specific structure corresponding to the filter_op
4650  */
4651 static int
4652 igb_ntuple_filter_handle(struct rte_eth_dev *dev,
4653 				enum rte_filter_op filter_op,
4654 				void *arg)
4655 {
4656 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4657 	int ret;
4658 
4659 	MAC_TYPE_FILTER_SUP(hw->mac.type);
4660 
4661 	if (filter_op == RTE_ETH_FILTER_NOP)
4662 		return 0;
4663 
4664 	if (arg == NULL) {
4665 		PMD_DRV_LOG(ERR, "arg shouldn't be NULL for operation %u.",
4666 			    filter_op);
4667 		return -EINVAL;
4668 	}
4669 
4670 	switch (filter_op) {
4671 	case RTE_ETH_FILTER_ADD:
4672 		ret = igb_add_del_ntuple_filter(dev,
4673 			(struct rte_eth_ntuple_filter *)arg,
4674 			TRUE);
4675 		break;
4676 	case RTE_ETH_FILTER_DELETE:
4677 		ret = igb_add_del_ntuple_filter(dev,
4678 			(struct rte_eth_ntuple_filter *)arg,
4679 			FALSE);
4680 		break;
4681 	case RTE_ETH_FILTER_GET:
4682 		ret = igb_get_ntuple_filter(dev,
4683 			(struct rte_eth_ntuple_filter *)arg);
4684 		break;
4685 	default:
4686 		PMD_DRV_LOG(ERR, "unsupported operation %u.", filter_op);
4687 		ret = -EINVAL;
4688 		break;
4689 	}
4690 	return ret;
4691 }
4692 
4693 static inline int
4694 igb_ethertype_filter_lookup(struct e1000_filter_info *filter_info,
4695 			uint16_t ethertype)
4696 {
4697 	int i;
4698 
4699 	for (i = 0; i < E1000_MAX_ETQF_FILTERS; i++) {
4700 		if (filter_info->ethertype_filters[i].ethertype == ethertype &&
4701 		    (filter_info->ethertype_mask & (1 << i)))
4702 			return i;
4703 	}
4704 	return -1;
4705 }
4706 
4707 static inline int
4708 igb_ethertype_filter_insert(struct e1000_filter_info *filter_info,
4709 			uint16_t ethertype, uint32_t etqf)
4710 {
4711 	int i;
4712 
4713 	for (i = 0; i < E1000_MAX_ETQF_FILTERS; i++) {
4714 		if (!(filter_info->ethertype_mask & (1 << i))) {
4715 			filter_info->ethertype_mask |= 1 << i;
4716 			filter_info->ethertype_filters[i].ethertype = ethertype;
4717 			filter_info->ethertype_filters[i].etqf = etqf;
4718 			return i;
4719 		}
4720 	}
4721 	return -1;
4722 }
4723 
4724 int
4725 igb_ethertype_filter_remove(struct e1000_filter_info *filter_info,
4726 			uint8_t idx)
4727 {
4728 	if (idx >= E1000_MAX_ETQF_FILTERS)
4729 		return -1;
4730 	filter_info->ethertype_mask &= ~(1 << idx);
4731 	filter_info->ethertype_filters[idx].ethertype = 0;
4732 	filter_info->ethertype_filters[idx].etqf = 0;
4733 	return idx;
4734 }
4735 
4736 
4737 int
4738 igb_add_del_ethertype_filter(struct rte_eth_dev *dev,
4739 			struct rte_eth_ethertype_filter *filter,
4740 			bool add)
4741 {
4742 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4743 	struct e1000_filter_info *filter_info =
4744 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
4745 	uint32_t etqf = 0;
4746 	int ret;
4747 
4748 	if (filter->ether_type == RTE_ETHER_TYPE_IPV4 ||
4749 		filter->ether_type == RTE_ETHER_TYPE_IPV6) {
4750 		PMD_DRV_LOG(ERR, "unsupported ether_type(0x%04x) in"
4751 			" ethertype filter.", filter->ether_type);
4752 		return -EINVAL;
4753 	}
4754 
4755 	if (filter->flags & RTE_ETHTYPE_FLAGS_MAC) {
4756 		PMD_DRV_LOG(ERR, "mac compare is unsupported.");
4757 		return -EINVAL;
4758 	}
4759 	if (filter->flags & RTE_ETHTYPE_FLAGS_DROP) {
4760 		PMD_DRV_LOG(ERR, "drop option is unsupported.");
4761 		return -EINVAL;
4762 	}
4763 
4764 	ret = igb_ethertype_filter_lookup(filter_info, filter->ether_type);
4765 	if (ret >= 0 && add) {
4766 		PMD_DRV_LOG(ERR, "ethertype (0x%04x) filter exists.",
4767 			    filter->ether_type);
4768 		return -EEXIST;
4769 	}
4770 	if (ret < 0 && !add) {
4771 		PMD_DRV_LOG(ERR, "ethertype (0x%04x) filter doesn't exist.",
4772 			    filter->ether_type);
4773 		return -ENOENT;
4774 	}
4775 
4776 	if (add) {
4777 		etqf |= E1000_ETQF_FILTER_ENABLE | E1000_ETQF_QUEUE_ENABLE;
4778 		etqf |= (uint32_t)(filter->ether_type & E1000_ETQF_ETHERTYPE);
4779 		etqf |= filter->queue << E1000_ETQF_QUEUE_SHIFT;
4780 		ret = igb_ethertype_filter_insert(filter_info,
4781 				filter->ether_type, etqf);
4782 		if (ret < 0) {
4783 			PMD_DRV_LOG(ERR, "ethertype filters are full.");
4784 			return -ENOSYS;
4785 		}
4786 	} else {
4787 		ret = igb_ethertype_filter_remove(filter_info, (uint8_t)ret);
4788 		if (ret < 0)
4789 			return -ENOSYS;
4790 	}
4791 	E1000_WRITE_REG(hw, E1000_ETQF(ret), etqf);
4792 	E1000_WRITE_FLUSH(hw);
4793 
4794 	return 0;
4795 }
4796 
4797 static int
4798 igb_get_ethertype_filter(struct rte_eth_dev *dev,
4799 			struct rte_eth_ethertype_filter *filter)
4800 {
4801 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4802 	struct e1000_filter_info *filter_info =
4803 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
4804 	uint32_t etqf;
4805 	int ret;
4806 
4807 	ret = igb_ethertype_filter_lookup(filter_info, filter->ether_type);
4808 	if (ret < 0) {
4809 		PMD_DRV_LOG(ERR, "ethertype (0x%04x) filter doesn't exist.",
4810 			    filter->ether_type);
4811 		return -ENOENT;
4812 	}
4813 
4814 	etqf = E1000_READ_REG(hw, E1000_ETQF(ret));
4815 	if (etqf & E1000_ETQF_FILTER_ENABLE) {
4816 		filter->ether_type = etqf & E1000_ETQF_ETHERTYPE;
4817 		filter->flags = 0;
4818 		filter->queue = (etqf & E1000_ETQF_QUEUE) >>
4819 				E1000_ETQF_QUEUE_SHIFT;
4820 		return 0;
4821 	}
4822 
4823 	return -ENOENT;
4824 }
4825 
4826 /*
4827  * igb_ethertype_filter_handle - Handle operations for ethertype filter.
4828  * @dev: pointer to rte_eth_dev structure
4829  * @filter_op:operation will be taken.
4830  * @arg: a pointer to specific structure corresponding to the filter_op
4831  */
4832 static int
4833 igb_ethertype_filter_handle(struct rte_eth_dev *dev,
4834 				enum rte_filter_op filter_op,
4835 				void *arg)
4836 {
4837 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4838 	int ret;
4839 
4840 	MAC_TYPE_FILTER_SUP(hw->mac.type);
4841 
4842 	if (filter_op == RTE_ETH_FILTER_NOP)
4843 		return 0;
4844 
4845 	if (arg == NULL) {
4846 		PMD_DRV_LOG(ERR, "arg shouldn't be NULL for operation %u.",
4847 			    filter_op);
4848 		return -EINVAL;
4849 	}
4850 
4851 	switch (filter_op) {
4852 	case RTE_ETH_FILTER_ADD:
4853 		ret = igb_add_del_ethertype_filter(dev,
4854 			(struct rte_eth_ethertype_filter *)arg,
4855 			TRUE);
4856 		break;
4857 	case RTE_ETH_FILTER_DELETE:
4858 		ret = igb_add_del_ethertype_filter(dev,
4859 			(struct rte_eth_ethertype_filter *)arg,
4860 			FALSE);
4861 		break;
4862 	case RTE_ETH_FILTER_GET:
4863 		ret = igb_get_ethertype_filter(dev,
4864 			(struct rte_eth_ethertype_filter *)arg);
4865 		break;
4866 	default:
4867 		PMD_DRV_LOG(ERR, "unsupported operation %u.", filter_op);
4868 		ret = -EINVAL;
4869 		break;
4870 	}
4871 	return ret;
4872 }
4873 
4874 static int
4875 eth_igb_filter_ctrl(struct rte_eth_dev *dev,
4876 		     enum rte_filter_type filter_type,
4877 		     enum rte_filter_op filter_op,
4878 		     void *arg)
4879 {
4880 	int ret = 0;
4881 
4882 	switch (filter_type) {
4883 	case RTE_ETH_FILTER_NTUPLE:
4884 		ret = igb_ntuple_filter_handle(dev, filter_op, arg);
4885 		break;
4886 	case RTE_ETH_FILTER_ETHERTYPE:
4887 		ret = igb_ethertype_filter_handle(dev, filter_op, arg);
4888 		break;
4889 	case RTE_ETH_FILTER_SYN:
4890 		ret = eth_igb_syn_filter_handle(dev, filter_op, arg);
4891 		break;
4892 	case RTE_ETH_FILTER_FLEXIBLE:
4893 		ret = eth_igb_flex_filter_handle(dev, filter_op, arg);
4894 		break;
4895 	case RTE_ETH_FILTER_GENERIC:
4896 		if (filter_op != RTE_ETH_FILTER_GET)
4897 			return -EINVAL;
4898 		*(const void **)arg = &igb_flow_ops;
4899 		break;
4900 	default:
4901 		PMD_DRV_LOG(WARNING, "Filter type (%d) not supported",
4902 							filter_type);
4903 		break;
4904 	}
4905 
4906 	return ret;
4907 }
4908 
4909 static int
4910 eth_igb_set_mc_addr_list(struct rte_eth_dev *dev,
4911 			 struct rte_ether_addr *mc_addr_set,
4912 			 uint32_t nb_mc_addr)
4913 {
4914 	struct e1000_hw *hw;
4915 
4916 	hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4917 	e1000_update_mc_addr_list(hw, (u8 *)mc_addr_set, nb_mc_addr);
4918 	return 0;
4919 }
4920 
4921 static uint64_t
4922 igb_read_systime_cyclecounter(struct rte_eth_dev *dev)
4923 {
4924 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4925 	uint64_t systime_cycles;
4926 
4927 	switch (hw->mac.type) {
4928 	case e1000_i210:
4929 	case e1000_i211:
4930 		/*
4931 		 * Need to read System Time Residue Register to be able
4932 		 * to read the other two registers.
4933 		 */
4934 		E1000_READ_REG(hw, E1000_SYSTIMR);
4935 		/* SYSTIMEL stores ns and SYSTIMEH stores seconds. */
4936 		systime_cycles = (uint64_t)E1000_READ_REG(hw, E1000_SYSTIML);
4937 		systime_cycles += (uint64_t)E1000_READ_REG(hw, E1000_SYSTIMH)
4938 				* NSEC_PER_SEC;
4939 		break;
4940 	case e1000_82580:
4941 	case e1000_i350:
4942 	case e1000_i354:
4943 		/*
4944 		 * Need to read System Time Residue Register to be able
4945 		 * to read the other two registers.
4946 		 */
4947 		E1000_READ_REG(hw, E1000_SYSTIMR);
4948 		systime_cycles = (uint64_t)E1000_READ_REG(hw, E1000_SYSTIML);
4949 		/* Only the 8 LSB are valid. */
4950 		systime_cycles |= (uint64_t)(E1000_READ_REG(hw, E1000_SYSTIMH)
4951 				& 0xff) << 32;
4952 		break;
4953 	default:
4954 		systime_cycles = (uint64_t)E1000_READ_REG(hw, E1000_SYSTIML);
4955 		systime_cycles |= (uint64_t)E1000_READ_REG(hw, E1000_SYSTIMH)
4956 				<< 32;
4957 		break;
4958 	}
4959 
4960 	return systime_cycles;
4961 }
4962 
4963 static uint64_t
4964 igb_read_rx_tstamp_cyclecounter(struct rte_eth_dev *dev)
4965 {
4966 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4967 	uint64_t rx_tstamp_cycles;
4968 
4969 	switch (hw->mac.type) {
4970 	case e1000_i210:
4971 	case e1000_i211:
4972 		/* RXSTMPL stores ns and RXSTMPH stores seconds. */
4973 		rx_tstamp_cycles = (uint64_t)E1000_READ_REG(hw, E1000_RXSTMPL);
4974 		rx_tstamp_cycles += (uint64_t)E1000_READ_REG(hw, E1000_RXSTMPH)
4975 				* NSEC_PER_SEC;
4976 		break;
4977 	case e1000_82580:
4978 	case e1000_i350:
4979 	case e1000_i354:
4980 		rx_tstamp_cycles = (uint64_t)E1000_READ_REG(hw, E1000_RXSTMPL);
4981 		/* Only the 8 LSB are valid. */
4982 		rx_tstamp_cycles |= (uint64_t)(E1000_READ_REG(hw, E1000_RXSTMPH)
4983 				& 0xff) << 32;
4984 		break;
4985 	default:
4986 		rx_tstamp_cycles = (uint64_t)E1000_READ_REG(hw, E1000_RXSTMPL);
4987 		rx_tstamp_cycles |= (uint64_t)E1000_READ_REG(hw, E1000_RXSTMPH)
4988 				<< 32;
4989 		break;
4990 	}
4991 
4992 	return rx_tstamp_cycles;
4993 }
4994 
4995 static uint64_t
4996 igb_read_tx_tstamp_cyclecounter(struct rte_eth_dev *dev)
4997 {
4998 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4999 	uint64_t tx_tstamp_cycles;
5000 
5001 	switch (hw->mac.type) {
5002 	case e1000_i210:
5003 	case e1000_i211:
5004 		/* RXSTMPL stores ns and RXSTMPH stores seconds. */
5005 		tx_tstamp_cycles = (uint64_t)E1000_READ_REG(hw, E1000_TXSTMPL);
5006 		tx_tstamp_cycles += (uint64_t)E1000_READ_REG(hw, E1000_TXSTMPH)
5007 				* NSEC_PER_SEC;
5008 		break;
5009 	case e1000_82580:
5010 	case e1000_i350:
5011 	case e1000_i354:
5012 		tx_tstamp_cycles = (uint64_t)E1000_READ_REG(hw, E1000_TXSTMPL);
5013 		/* Only the 8 LSB are valid. */
5014 		tx_tstamp_cycles |= (uint64_t)(E1000_READ_REG(hw, E1000_TXSTMPH)
5015 				& 0xff) << 32;
5016 		break;
5017 	default:
5018 		tx_tstamp_cycles = (uint64_t)E1000_READ_REG(hw, E1000_TXSTMPL);
5019 		tx_tstamp_cycles |= (uint64_t)E1000_READ_REG(hw, E1000_TXSTMPH)
5020 				<< 32;
5021 		break;
5022 	}
5023 
5024 	return tx_tstamp_cycles;
5025 }
5026 
5027 static void
5028 igb_start_timecounters(struct rte_eth_dev *dev)
5029 {
5030 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5031 	struct e1000_adapter *adapter = dev->data->dev_private;
5032 	uint32_t incval = 1;
5033 	uint32_t shift = 0;
5034 	uint64_t mask = E1000_CYCLECOUNTER_MASK;
5035 
5036 	switch (hw->mac.type) {
5037 	case e1000_82580:
5038 	case e1000_i350:
5039 	case e1000_i354:
5040 		/* 32 LSB bits + 8 MSB bits = 40 bits */
5041 		mask = (1ULL << 40) - 1;
5042 		/* fall-through */
5043 	case e1000_i210:
5044 	case e1000_i211:
5045 		/*
5046 		 * Start incrementing the register
5047 		 * used to timestamp PTP packets.
5048 		 */
5049 		E1000_WRITE_REG(hw, E1000_TIMINCA, incval);
5050 		break;
5051 	case e1000_82576:
5052 		incval = E1000_INCVALUE_82576;
5053 		shift = IGB_82576_TSYNC_SHIFT;
5054 		E1000_WRITE_REG(hw, E1000_TIMINCA,
5055 				E1000_INCPERIOD_82576 | incval);
5056 		break;
5057 	default:
5058 		/* Not supported */
5059 		return;
5060 	}
5061 
5062 	memset(&adapter->systime_tc, 0, sizeof(struct rte_timecounter));
5063 	memset(&adapter->rx_tstamp_tc, 0, sizeof(struct rte_timecounter));
5064 	memset(&adapter->tx_tstamp_tc, 0, sizeof(struct rte_timecounter));
5065 
5066 	adapter->systime_tc.cc_mask = mask;
5067 	adapter->systime_tc.cc_shift = shift;
5068 	adapter->systime_tc.nsec_mask = (1ULL << shift) - 1;
5069 
5070 	adapter->rx_tstamp_tc.cc_mask = mask;
5071 	adapter->rx_tstamp_tc.cc_shift = shift;
5072 	adapter->rx_tstamp_tc.nsec_mask = (1ULL << shift) - 1;
5073 
5074 	adapter->tx_tstamp_tc.cc_mask = mask;
5075 	adapter->tx_tstamp_tc.cc_shift = shift;
5076 	adapter->tx_tstamp_tc.nsec_mask = (1ULL << shift) - 1;
5077 }
5078 
5079 static int
5080 igb_timesync_adjust_time(struct rte_eth_dev *dev, int64_t delta)
5081 {
5082 	struct e1000_adapter *adapter = dev->data->dev_private;
5083 
5084 	adapter->systime_tc.nsec += delta;
5085 	adapter->rx_tstamp_tc.nsec += delta;
5086 	adapter->tx_tstamp_tc.nsec += delta;
5087 
5088 	return 0;
5089 }
5090 
5091 static int
5092 igb_timesync_write_time(struct rte_eth_dev *dev, const struct timespec *ts)
5093 {
5094 	uint64_t ns;
5095 	struct e1000_adapter *adapter = dev->data->dev_private;
5096 
5097 	ns = rte_timespec_to_ns(ts);
5098 
5099 	/* Set the timecounters to a new value. */
5100 	adapter->systime_tc.nsec = ns;
5101 	adapter->rx_tstamp_tc.nsec = ns;
5102 	adapter->tx_tstamp_tc.nsec = ns;
5103 
5104 	return 0;
5105 }
5106 
5107 static int
5108 igb_timesync_read_time(struct rte_eth_dev *dev, struct timespec *ts)
5109 {
5110 	uint64_t ns, systime_cycles;
5111 	struct e1000_adapter *adapter = dev->data->dev_private;
5112 
5113 	systime_cycles = igb_read_systime_cyclecounter(dev);
5114 	ns = rte_timecounter_update(&adapter->systime_tc, systime_cycles);
5115 	*ts = rte_ns_to_timespec(ns);
5116 
5117 	return 0;
5118 }
5119 
5120 static int
5121 igb_timesync_enable(struct rte_eth_dev *dev)
5122 {
5123 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5124 	uint32_t tsync_ctl;
5125 	uint32_t tsauxc;
5126 
5127 	/* Stop the timesync system time. */
5128 	E1000_WRITE_REG(hw, E1000_TIMINCA, 0x0);
5129 	/* Reset the timesync system time value. */
5130 	switch (hw->mac.type) {
5131 	case e1000_82580:
5132 	case e1000_i350:
5133 	case e1000_i354:
5134 	case e1000_i210:
5135 	case e1000_i211:
5136 		E1000_WRITE_REG(hw, E1000_SYSTIMR, 0x0);
5137 		/* fall-through */
5138 	case e1000_82576:
5139 		E1000_WRITE_REG(hw, E1000_SYSTIML, 0x0);
5140 		E1000_WRITE_REG(hw, E1000_SYSTIMH, 0x0);
5141 		break;
5142 	default:
5143 		/* Not supported. */
5144 		return -ENOTSUP;
5145 	}
5146 
5147 	/* Enable system time for it isn't on by default. */
5148 	tsauxc = E1000_READ_REG(hw, E1000_TSAUXC);
5149 	tsauxc &= ~E1000_TSAUXC_DISABLE_SYSTIME;
5150 	E1000_WRITE_REG(hw, E1000_TSAUXC, tsauxc);
5151 
5152 	igb_start_timecounters(dev);
5153 
5154 	/* Enable L2 filtering of IEEE1588/802.1AS Ethernet frame types. */
5155 	E1000_WRITE_REG(hw, E1000_ETQF(E1000_ETQF_FILTER_1588),
5156 			(RTE_ETHER_TYPE_1588 |
5157 			 E1000_ETQF_FILTER_ENABLE |
5158 			 E1000_ETQF_1588));
5159 
5160 	/* Enable timestamping of received PTP packets. */
5161 	tsync_ctl = E1000_READ_REG(hw, E1000_TSYNCRXCTL);
5162 	tsync_ctl |= E1000_TSYNCRXCTL_ENABLED;
5163 	E1000_WRITE_REG(hw, E1000_TSYNCRXCTL, tsync_ctl);
5164 
5165 	/* Enable Timestamping of transmitted PTP packets. */
5166 	tsync_ctl = E1000_READ_REG(hw, E1000_TSYNCTXCTL);
5167 	tsync_ctl |= E1000_TSYNCTXCTL_ENABLED;
5168 	E1000_WRITE_REG(hw, E1000_TSYNCTXCTL, tsync_ctl);
5169 
5170 	return 0;
5171 }
5172 
5173 static int
5174 igb_timesync_disable(struct rte_eth_dev *dev)
5175 {
5176 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5177 	uint32_t tsync_ctl;
5178 
5179 	/* Disable timestamping of transmitted PTP packets. */
5180 	tsync_ctl = E1000_READ_REG(hw, E1000_TSYNCTXCTL);
5181 	tsync_ctl &= ~E1000_TSYNCTXCTL_ENABLED;
5182 	E1000_WRITE_REG(hw, E1000_TSYNCTXCTL, tsync_ctl);
5183 
5184 	/* Disable timestamping of received PTP packets. */
5185 	tsync_ctl = E1000_READ_REG(hw, E1000_TSYNCRXCTL);
5186 	tsync_ctl &= ~E1000_TSYNCRXCTL_ENABLED;
5187 	E1000_WRITE_REG(hw, E1000_TSYNCRXCTL, tsync_ctl);
5188 
5189 	/* Disable L2 filtering of IEEE1588/802.1AS Ethernet frame types. */
5190 	E1000_WRITE_REG(hw, E1000_ETQF(E1000_ETQF_FILTER_1588), 0);
5191 
5192 	/* Stop incrementating the System Time registers. */
5193 	E1000_WRITE_REG(hw, E1000_TIMINCA, 0);
5194 
5195 	return 0;
5196 }
5197 
5198 static int
5199 igb_timesync_read_rx_timestamp(struct rte_eth_dev *dev,
5200 			       struct timespec *timestamp,
5201 			       uint32_t flags __rte_unused)
5202 {
5203 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5204 	struct e1000_adapter *adapter = dev->data->dev_private;
5205 	uint32_t tsync_rxctl;
5206 	uint64_t rx_tstamp_cycles;
5207 	uint64_t ns;
5208 
5209 	tsync_rxctl = E1000_READ_REG(hw, E1000_TSYNCRXCTL);
5210 	if ((tsync_rxctl & E1000_TSYNCRXCTL_VALID) == 0)
5211 		return -EINVAL;
5212 
5213 	rx_tstamp_cycles = igb_read_rx_tstamp_cyclecounter(dev);
5214 	ns = rte_timecounter_update(&adapter->rx_tstamp_tc, rx_tstamp_cycles);
5215 	*timestamp = rte_ns_to_timespec(ns);
5216 
5217 	return  0;
5218 }
5219 
5220 static int
5221 igb_timesync_read_tx_timestamp(struct rte_eth_dev *dev,
5222 			       struct timespec *timestamp)
5223 {
5224 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5225 	struct e1000_adapter *adapter = dev->data->dev_private;
5226 	uint32_t tsync_txctl;
5227 	uint64_t tx_tstamp_cycles;
5228 	uint64_t ns;
5229 
5230 	tsync_txctl = E1000_READ_REG(hw, E1000_TSYNCTXCTL);
5231 	if ((tsync_txctl & E1000_TSYNCTXCTL_VALID) == 0)
5232 		return -EINVAL;
5233 
5234 	tx_tstamp_cycles = igb_read_tx_tstamp_cyclecounter(dev);
5235 	ns = rte_timecounter_update(&adapter->tx_tstamp_tc, tx_tstamp_cycles);
5236 	*timestamp = rte_ns_to_timespec(ns);
5237 
5238 	return  0;
5239 }
5240 
5241 static int
5242 eth_igb_get_reg_length(struct rte_eth_dev *dev __rte_unused)
5243 {
5244 	int count = 0;
5245 	int g_ind = 0;
5246 	const struct reg_info *reg_group;
5247 
5248 	while ((reg_group = igb_regs[g_ind++]))
5249 		count += igb_reg_group_count(reg_group);
5250 
5251 	return count;
5252 }
5253 
5254 static int
5255 igbvf_get_reg_length(struct rte_eth_dev *dev __rte_unused)
5256 {
5257 	int count = 0;
5258 	int g_ind = 0;
5259 	const struct reg_info *reg_group;
5260 
5261 	while ((reg_group = igbvf_regs[g_ind++]))
5262 		count += igb_reg_group_count(reg_group);
5263 
5264 	return count;
5265 }
5266 
5267 static int
5268 eth_igb_get_regs(struct rte_eth_dev *dev,
5269 	struct rte_dev_reg_info *regs)
5270 {
5271 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5272 	uint32_t *data = regs->data;
5273 	int g_ind = 0;
5274 	int count = 0;
5275 	const struct reg_info *reg_group;
5276 
5277 	if (data == NULL) {
5278 		regs->length = eth_igb_get_reg_length(dev);
5279 		regs->width = sizeof(uint32_t);
5280 		return 0;
5281 	}
5282 
5283 	/* Support only full register dump */
5284 	if ((regs->length == 0) ||
5285 	    (regs->length == (uint32_t)eth_igb_get_reg_length(dev))) {
5286 		regs->version = hw->mac.type << 24 | hw->revision_id << 16 |
5287 			hw->device_id;
5288 		while ((reg_group = igb_regs[g_ind++]))
5289 			count += igb_read_regs_group(dev, &data[count],
5290 							reg_group);
5291 		return 0;
5292 	}
5293 
5294 	return -ENOTSUP;
5295 }
5296 
5297 static int
5298 igbvf_get_regs(struct rte_eth_dev *dev,
5299 	struct rte_dev_reg_info *regs)
5300 {
5301 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5302 	uint32_t *data = regs->data;
5303 	int g_ind = 0;
5304 	int count = 0;
5305 	const struct reg_info *reg_group;
5306 
5307 	if (data == NULL) {
5308 		regs->length = igbvf_get_reg_length(dev);
5309 		regs->width = sizeof(uint32_t);
5310 		return 0;
5311 	}
5312 
5313 	/* Support only full register dump */
5314 	if ((regs->length == 0) ||
5315 	    (regs->length == (uint32_t)igbvf_get_reg_length(dev))) {
5316 		regs->version = hw->mac.type << 24 | hw->revision_id << 16 |
5317 			hw->device_id;
5318 		while ((reg_group = igbvf_regs[g_ind++]))
5319 			count += igb_read_regs_group(dev, &data[count],
5320 							reg_group);
5321 		return 0;
5322 	}
5323 
5324 	return -ENOTSUP;
5325 }
5326 
5327 static int
5328 eth_igb_get_eeprom_length(struct rte_eth_dev *dev)
5329 {
5330 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5331 
5332 	/* Return unit is byte count */
5333 	return hw->nvm.word_size * 2;
5334 }
5335 
5336 static int
5337 eth_igb_get_eeprom(struct rte_eth_dev *dev,
5338 	struct rte_dev_eeprom_info *in_eeprom)
5339 {
5340 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5341 	struct e1000_nvm_info *nvm = &hw->nvm;
5342 	uint16_t *data = in_eeprom->data;
5343 	int first, length;
5344 
5345 	first = in_eeprom->offset >> 1;
5346 	length = in_eeprom->length >> 1;
5347 	if ((first >= hw->nvm.word_size) ||
5348 	    ((first + length) >= hw->nvm.word_size))
5349 		return -EINVAL;
5350 
5351 	in_eeprom->magic = hw->vendor_id |
5352 		((uint32_t)hw->device_id << 16);
5353 
5354 	if ((nvm->ops.read) == NULL)
5355 		return -ENOTSUP;
5356 
5357 	return nvm->ops.read(hw, first, length, data);
5358 }
5359 
5360 static int
5361 eth_igb_set_eeprom(struct rte_eth_dev *dev,
5362 	struct rte_dev_eeprom_info *in_eeprom)
5363 {
5364 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5365 	struct e1000_nvm_info *nvm = &hw->nvm;
5366 	uint16_t *data = in_eeprom->data;
5367 	int first, length;
5368 
5369 	first = in_eeprom->offset >> 1;
5370 	length = in_eeprom->length >> 1;
5371 	if ((first >= hw->nvm.word_size) ||
5372 	    ((first + length) >= hw->nvm.word_size))
5373 		return -EINVAL;
5374 
5375 	in_eeprom->magic = (uint32_t)hw->vendor_id |
5376 		((uint32_t)hw->device_id << 16);
5377 
5378 	if ((nvm->ops.write) == NULL)
5379 		return -ENOTSUP;
5380 	return nvm->ops.write(hw,  first, length, data);
5381 }
5382 
5383 static int
5384 eth_igb_get_module_info(struct rte_eth_dev *dev,
5385 			struct rte_eth_dev_module_info *modinfo)
5386 {
5387 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5388 
5389 	uint32_t status = 0;
5390 	uint16_t sff8472_rev, addr_mode;
5391 	bool page_swap = false;
5392 
5393 	if (hw->phy.media_type == e1000_media_type_copper ||
5394 	    hw->phy.media_type == e1000_media_type_unknown)
5395 		return -EOPNOTSUPP;
5396 
5397 	/* Check whether we support SFF-8472 or not */
5398 	status = e1000_read_phy_reg_i2c(hw, IGB_SFF_8472_COMP, &sff8472_rev);
5399 	if (status)
5400 		return -EIO;
5401 
5402 	/* addressing mode is not supported */
5403 	status = e1000_read_phy_reg_i2c(hw, IGB_SFF_8472_SWAP, &addr_mode);
5404 	if (status)
5405 		return -EIO;
5406 
5407 	/* addressing mode is not supported */
5408 	if ((addr_mode & 0xFF) & IGB_SFF_ADDRESSING_MODE) {
5409 		PMD_DRV_LOG(ERR,
5410 			    "Address change required to access page 0xA2, "
5411 			    "but not supported. Please report the module "
5412 			    "type to the driver maintainers.\n");
5413 		page_swap = true;
5414 	}
5415 
5416 	if ((sff8472_rev & 0xFF) == IGB_SFF_8472_UNSUP || page_swap) {
5417 		/* We have an SFP, but it does not support SFF-8472 */
5418 		modinfo->type = RTE_ETH_MODULE_SFF_8079;
5419 		modinfo->eeprom_len = RTE_ETH_MODULE_SFF_8079_LEN;
5420 	} else {
5421 		/* We have an SFP which supports a revision of SFF-8472 */
5422 		modinfo->type = RTE_ETH_MODULE_SFF_8472;
5423 		modinfo->eeprom_len = RTE_ETH_MODULE_SFF_8472_LEN;
5424 	}
5425 
5426 	return 0;
5427 }
5428 
5429 static int
5430 eth_igb_get_module_eeprom(struct rte_eth_dev *dev,
5431 			  struct rte_dev_eeprom_info *info)
5432 {
5433 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5434 
5435 	uint32_t status = 0;
5436 	uint16_t dataword[RTE_ETH_MODULE_SFF_8472_LEN / 2 + 1];
5437 	u16 first_word, last_word;
5438 	int i = 0;
5439 
5440 	if (info->length == 0)
5441 		return -EINVAL;
5442 
5443 	first_word = info->offset >> 1;
5444 	last_word = (info->offset + info->length - 1) >> 1;
5445 
5446 	/* Read EEPROM block, SFF-8079/SFF-8472, word at a time */
5447 	for (i = 0; i < last_word - first_word + 1; i++) {
5448 		status = e1000_read_phy_reg_i2c(hw, (first_word + i) * 2,
5449 						&dataword[i]);
5450 		if (status) {
5451 			/* Error occurred while reading module */
5452 			return -EIO;
5453 		}
5454 
5455 		dataword[i] = rte_be_to_cpu_16(dataword[i]);
5456 	}
5457 
5458 	memcpy(info->data, (u8 *)dataword + (info->offset & 1), info->length);
5459 
5460 	return 0;
5461 }
5462 
5463 static int
5464 eth_igb_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id)
5465 {
5466 	struct e1000_hw *hw =
5467 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5468 	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
5469 	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
5470 	uint32_t vec = E1000_MISC_VEC_ID;
5471 
5472 	if (rte_intr_allow_others(intr_handle))
5473 		vec = E1000_RX_VEC_START;
5474 
5475 	uint32_t mask = 1 << (queue_id + vec);
5476 
5477 	E1000_WRITE_REG(hw, E1000_EIMC, mask);
5478 	E1000_WRITE_FLUSH(hw);
5479 
5480 	return 0;
5481 }
5482 
5483 static int
5484 eth_igb_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
5485 {
5486 	struct e1000_hw *hw =
5487 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5488 	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
5489 	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
5490 	uint32_t vec = E1000_MISC_VEC_ID;
5491 
5492 	if (rte_intr_allow_others(intr_handle))
5493 		vec = E1000_RX_VEC_START;
5494 
5495 	uint32_t mask = 1 << (queue_id + vec);
5496 	uint32_t regval;
5497 
5498 	regval = E1000_READ_REG(hw, E1000_EIMS);
5499 	E1000_WRITE_REG(hw, E1000_EIMS, regval | mask);
5500 	E1000_WRITE_FLUSH(hw);
5501 
5502 	rte_intr_ack(intr_handle);
5503 
5504 	return 0;
5505 }
5506 
5507 static void
5508 eth_igb_write_ivar(struct e1000_hw *hw, uint8_t  msix_vector,
5509 		   uint8_t index, uint8_t offset)
5510 {
5511 	uint32_t val = E1000_READ_REG_ARRAY(hw, E1000_IVAR0, index);
5512 
5513 	/* clear bits */
5514 	val &= ~((uint32_t)0xFF << offset);
5515 
5516 	/* write vector and valid bit */
5517 	val |= (msix_vector | E1000_IVAR_VALID) << offset;
5518 
5519 	E1000_WRITE_REG_ARRAY(hw, E1000_IVAR0, index, val);
5520 }
5521 
5522 static void
5523 eth_igb_assign_msix_vector(struct e1000_hw *hw, int8_t direction,
5524 			   uint8_t queue, uint8_t msix_vector)
5525 {
5526 	uint32_t tmp = 0;
5527 
5528 	if (hw->mac.type == e1000_82575) {
5529 		if (direction == 0)
5530 			tmp = E1000_EICR_RX_QUEUE0 << queue;
5531 		else if (direction == 1)
5532 			tmp = E1000_EICR_TX_QUEUE0 << queue;
5533 		E1000_WRITE_REG(hw, E1000_MSIXBM(msix_vector), tmp);
5534 	} else if (hw->mac.type == e1000_82576) {
5535 		if ((direction == 0) || (direction == 1))
5536 			eth_igb_write_ivar(hw, msix_vector, queue & 0x7,
5537 					   ((queue & 0x8) << 1) +
5538 					   8 * direction);
5539 	} else if ((hw->mac.type == e1000_82580) ||
5540 			(hw->mac.type == e1000_i350) ||
5541 			(hw->mac.type == e1000_i354) ||
5542 			(hw->mac.type == e1000_i210) ||
5543 			(hw->mac.type == e1000_i211)) {
5544 		if ((direction == 0) || (direction == 1))
5545 			eth_igb_write_ivar(hw, msix_vector,
5546 					   queue >> 1,
5547 					   ((queue & 0x1) << 4) +
5548 					   8 * direction);
5549 	}
5550 }
5551 
5552 /* Sets up the hardware to generate MSI-X interrupts properly
5553  * @hw
5554  *  board private structure
5555  */
5556 static void
5557 eth_igb_configure_msix_intr(struct rte_eth_dev *dev)
5558 {
5559 	int queue_id;
5560 	uint32_t tmpval, regval, intr_mask;
5561 	struct e1000_hw *hw =
5562 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5563 	uint32_t vec = E1000_MISC_VEC_ID;
5564 	uint32_t base = E1000_MISC_VEC_ID;
5565 	uint32_t misc_shift = 0;
5566 	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
5567 	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
5568 
5569 	/* won't configure msix register if no mapping is done
5570 	 * between intr vector and event fd
5571 	 */
5572 	if (!rte_intr_dp_is_en(intr_handle))
5573 		return;
5574 
5575 	if (rte_intr_allow_others(intr_handle)) {
5576 		vec = base = E1000_RX_VEC_START;
5577 		misc_shift = 1;
5578 	}
5579 
5580 	/* set interrupt vector for other causes */
5581 	if (hw->mac.type == e1000_82575) {
5582 		tmpval = E1000_READ_REG(hw, E1000_CTRL_EXT);
5583 		/* enable MSI-X PBA support */
5584 		tmpval |= E1000_CTRL_EXT_PBA_CLR;
5585 
5586 		/* Auto-Mask interrupts upon ICR read */
5587 		tmpval |= E1000_CTRL_EXT_EIAME;
5588 		tmpval |= E1000_CTRL_EXT_IRCA;
5589 
5590 		E1000_WRITE_REG(hw, E1000_CTRL_EXT, tmpval);
5591 
5592 		/* enable msix_other interrupt */
5593 		E1000_WRITE_REG_ARRAY(hw, E1000_MSIXBM(0), 0, E1000_EIMS_OTHER);
5594 		regval = E1000_READ_REG(hw, E1000_EIAC);
5595 		E1000_WRITE_REG(hw, E1000_EIAC, regval | E1000_EIMS_OTHER);
5596 		regval = E1000_READ_REG(hw, E1000_EIAM);
5597 		E1000_WRITE_REG(hw, E1000_EIMS, regval | E1000_EIMS_OTHER);
5598 	} else if ((hw->mac.type == e1000_82576) ||
5599 			(hw->mac.type == e1000_82580) ||
5600 			(hw->mac.type == e1000_i350) ||
5601 			(hw->mac.type == e1000_i354) ||
5602 			(hw->mac.type == e1000_i210) ||
5603 			(hw->mac.type == e1000_i211)) {
5604 		/* turn on MSI-X capability first */
5605 		E1000_WRITE_REG(hw, E1000_GPIE, E1000_GPIE_MSIX_MODE |
5606 					E1000_GPIE_PBA | E1000_GPIE_EIAME |
5607 					E1000_GPIE_NSICR);
5608 		intr_mask = RTE_LEN2MASK(intr_handle->nb_efd, uint32_t) <<
5609 			misc_shift;
5610 
5611 		if (dev->data->dev_conf.intr_conf.lsc != 0)
5612 			intr_mask |= (1 << IGB_MSIX_OTHER_INTR_VEC);
5613 
5614 		regval = E1000_READ_REG(hw, E1000_EIAC);
5615 		E1000_WRITE_REG(hw, E1000_EIAC, regval | intr_mask);
5616 
5617 		/* enable msix_other interrupt */
5618 		regval = E1000_READ_REG(hw, E1000_EIMS);
5619 		E1000_WRITE_REG(hw, E1000_EIMS, regval | intr_mask);
5620 		tmpval = (IGB_MSIX_OTHER_INTR_VEC | E1000_IVAR_VALID) << 8;
5621 		E1000_WRITE_REG(hw, E1000_IVAR_MISC, tmpval);
5622 	}
5623 
5624 	/* use EIAM to auto-mask when MSI-X interrupt
5625 	 * is asserted, this saves a register write for every interrupt
5626 	 */
5627 	intr_mask = RTE_LEN2MASK(intr_handle->nb_efd, uint32_t) <<
5628 		misc_shift;
5629 
5630 	if (dev->data->dev_conf.intr_conf.lsc != 0)
5631 		intr_mask |= (1 << IGB_MSIX_OTHER_INTR_VEC);
5632 
5633 	regval = E1000_READ_REG(hw, E1000_EIAM);
5634 	E1000_WRITE_REG(hw, E1000_EIAM, regval | intr_mask);
5635 
5636 	for (queue_id = 0; queue_id < dev->data->nb_rx_queues; queue_id++) {
5637 		eth_igb_assign_msix_vector(hw, 0, queue_id, vec);
5638 		intr_handle->intr_vec[queue_id] = vec;
5639 		if (vec < base + intr_handle->nb_efd - 1)
5640 			vec++;
5641 	}
5642 
5643 	E1000_WRITE_FLUSH(hw);
5644 }
5645 
5646 /* restore n-tuple filter */
5647 static inline void
5648 igb_ntuple_filter_restore(struct rte_eth_dev *dev)
5649 {
5650 	struct e1000_filter_info *filter_info =
5651 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
5652 	struct e1000_5tuple_filter *p_5tuple;
5653 	struct e1000_2tuple_filter *p_2tuple;
5654 
5655 	TAILQ_FOREACH(p_5tuple, &filter_info->fivetuple_list, entries) {
5656 		igb_inject_5tuple_filter_82576(dev, p_5tuple);
5657 	}
5658 
5659 	TAILQ_FOREACH(p_2tuple, &filter_info->twotuple_list, entries) {
5660 		igb_inject_2uple_filter(dev, p_2tuple);
5661 	}
5662 }
5663 
5664 /* restore SYN filter */
5665 static inline void
5666 igb_syn_filter_restore(struct rte_eth_dev *dev)
5667 {
5668 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5669 	struct e1000_filter_info *filter_info =
5670 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
5671 	uint32_t synqf;
5672 
5673 	synqf = filter_info->syn_info;
5674 
5675 	if (synqf & E1000_SYN_FILTER_ENABLE) {
5676 		E1000_WRITE_REG(hw, E1000_SYNQF(0), synqf);
5677 		E1000_WRITE_FLUSH(hw);
5678 	}
5679 }
5680 
5681 /* restore ethernet type filter */
5682 static inline void
5683 igb_ethertype_filter_restore(struct rte_eth_dev *dev)
5684 {
5685 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5686 	struct e1000_filter_info *filter_info =
5687 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
5688 	int i;
5689 
5690 	for (i = 0; i < E1000_MAX_ETQF_FILTERS; i++) {
5691 		if (filter_info->ethertype_mask & (1 << i)) {
5692 			E1000_WRITE_REG(hw, E1000_ETQF(i),
5693 				filter_info->ethertype_filters[i].etqf);
5694 			E1000_WRITE_FLUSH(hw);
5695 		}
5696 	}
5697 }
5698 
5699 /* restore flex byte filter */
5700 static inline void
5701 igb_flex_filter_restore(struct rte_eth_dev *dev)
5702 {
5703 	struct e1000_filter_info *filter_info =
5704 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
5705 	struct e1000_flex_filter *flex_filter;
5706 
5707 	TAILQ_FOREACH(flex_filter, &filter_info->flex_list, entries) {
5708 		igb_inject_flex_filter(dev, flex_filter);
5709 	}
5710 }
5711 
5712 /* restore rss filter */
5713 static inline void
5714 igb_rss_filter_restore(struct rte_eth_dev *dev)
5715 {
5716 	struct e1000_filter_info *filter_info =
5717 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
5718 
5719 	if (filter_info->rss_info.conf.queue_num)
5720 		igb_config_rss_filter(dev, &filter_info->rss_info, TRUE);
5721 }
5722 
5723 /* restore all types filter */
5724 static int
5725 igb_filter_restore(struct rte_eth_dev *dev)
5726 {
5727 	igb_ntuple_filter_restore(dev);
5728 	igb_ethertype_filter_restore(dev);
5729 	igb_syn_filter_restore(dev);
5730 	igb_flex_filter_restore(dev);
5731 	igb_rss_filter_restore(dev);
5732 
5733 	return 0;
5734 }
5735 
5736 RTE_PMD_REGISTER_PCI(net_e1000_igb, rte_igb_pmd);
5737 RTE_PMD_REGISTER_PCI_TABLE(net_e1000_igb, pci_id_igb_map);
5738 RTE_PMD_REGISTER_KMOD_DEP(net_e1000_igb, "* igb_uio | uio_pci_generic | vfio-pci");
5739 RTE_PMD_REGISTER_PCI(net_e1000_igb_vf, rte_igbvf_pmd);
5740 RTE_PMD_REGISTER_PCI_TABLE(net_e1000_igb_vf, pci_id_igbvf_map);
5741 RTE_PMD_REGISTER_KMOD_DEP(net_e1000_igb_vf, "* igb_uio | vfio-pci");
5742 
5743 /* see e1000_logs.c */
5744 RTE_INIT(e1000_init_log)
5745 {
5746 	e1000_igb_init_log();
5747 }
5748