xref: /dpdk/drivers/net/e1000/igb_ethdev.c (revision 2c7845a7)
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 int  eth_igb_promiscuous_enable(struct rte_eth_dev *dev);
83 static int  eth_igb_promiscuous_disable(struct rte_eth_dev *dev);
84 static int  eth_igb_allmulticast_enable(struct rte_eth_dev *dev);
85 static int  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 int eth_igb_stats_reset(struct rte_eth_dev *dev);
102 static int 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 int 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 int 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 int igbvf_promiscuous_enable(struct rte_eth_dev *dev);
160 static int igbvf_promiscuous_disable(struct rte_eth_dev *dev);
161 static int igbvf_allmulticast_enable(struct rte_eth_dev *dev);
162 static int 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 int 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 	/* Pass the information to the rte_eth_dev_close() that it should also
847 	 * release the private port resources.
848 	 */
849 	eth_dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE;
850 
851 	/* initialize the vfta */
852 	memset(shadow_vfta, 0, sizeof(*shadow_vfta));
853 
854 	/* Now initialize the hardware */
855 	if (igb_hardware_init(hw) != 0) {
856 		PMD_INIT_LOG(ERR, "Hardware initialization failed");
857 		rte_free(eth_dev->data->mac_addrs);
858 		eth_dev->data->mac_addrs = NULL;
859 		error = -ENODEV;
860 		goto err_late;
861 	}
862 	hw->mac.get_link_status = 1;
863 	adapter->stopped = 0;
864 
865 	/* Indicate SOL/IDER usage */
866 	if (e1000_check_reset_block(hw) < 0) {
867 		PMD_INIT_LOG(ERR, "PHY reset is blocked due to"
868 					"SOL/IDER session");
869 	}
870 
871 	/* initialize PF if max_vfs not zero */
872 	igb_pf_host_init(eth_dev);
873 
874 	ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
875 	/* Set PF Reset Done bit so PF/VF Mail Ops can work */
876 	ctrl_ext |= E1000_CTRL_EXT_PFRSTD;
877 	E1000_WRITE_REG(hw, E1000_CTRL_EXT, ctrl_ext);
878 	E1000_WRITE_FLUSH(hw);
879 
880 	PMD_INIT_LOG(DEBUG, "port_id %d vendorID=0x%x deviceID=0x%x",
881 		     eth_dev->data->port_id, pci_dev->id.vendor_id,
882 		     pci_dev->id.device_id);
883 
884 	rte_intr_callback_register(&pci_dev->intr_handle,
885 				   eth_igb_interrupt_handler,
886 				   (void *)eth_dev);
887 
888 	/* enable uio/vfio intr/eventfd mapping */
889 	rte_intr_enable(&pci_dev->intr_handle);
890 
891 	/* enable support intr */
892 	igb_intr_enable(eth_dev);
893 
894 	/* initialize filter info */
895 	memset(filter_info, 0,
896 	       sizeof(struct e1000_filter_info));
897 
898 	TAILQ_INIT(&filter_info->flex_list);
899 	TAILQ_INIT(&filter_info->twotuple_list);
900 	TAILQ_INIT(&filter_info->fivetuple_list);
901 
902 	TAILQ_INIT(&igb_filter_ntuple_list);
903 	TAILQ_INIT(&igb_filter_ethertype_list);
904 	TAILQ_INIT(&igb_filter_syn_list);
905 	TAILQ_INIT(&igb_filter_flex_list);
906 	TAILQ_INIT(&igb_filter_rss_list);
907 	TAILQ_INIT(&igb_flow_list);
908 
909 	return 0;
910 
911 err_late:
912 	igb_hw_control_release(hw);
913 
914 	return error;
915 }
916 
917 static int
918 eth_igb_dev_uninit(struct rte_eth_dev *eth_dev)
919 {
920 	PMD_INIT_FUNC_TRACE();
921 
922 	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
923 		return -EPERM;
924 
925 	eth_igb_close(eth_dev);
926 
927 	return 0;
928 }
929 
930 /*
931  * Virtual Function device init
932  */
933 static int
934 eth_igbvf_dev_init(struct rte_eth_dev *eth_dev)
935 {
936 	struct rte_pci_device *pci_dev;
937 	struct rte_intr_handle *intr_handle;
938 	struct e1000_adapter *adapter =
939 		E1000_DEV_PRIVATE(eth_dev->data->dev_private);
940 	struct e1000_hw *hw =
941 		E1000_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
942 	int diag;
943 	struct rte_ether_addr *perm_addr =
944 		(struct rte_ether_addr *)hw->mac.perm_addr;
945 
946 	PMD_INIT_FUNC_TRACE();
947 
948 	eth_dev->dev_ops = &igbvf_eth_dev_ops;
949 	eth_dev->rx_pkt_burst = &eth_igb_recv_pkts;
950 	eth_dev->tx_pkt_burst = &eth_igb_xmit_pkts;
951 	eth_dev->tx_pkt_prepare = &eth_igb_prep_pkts;
952 
953 	/* for secondary processes, we don't initialise any further as primary
954 	 * has already done this work. Only check we don't need a different
955 	 * RX function */
956 	if (rte_eal_process_type() != RTE_PROC_PRIMARY){
957 		if (eth_dev->data->scattered_rx)
958 			eth_dev->rx_pkt_burst = &eth_igb_recv_scattered_pkts;
959 		return 0;
960 	}
961 
962 	pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
963 	rte_eth_copy_pci_info(eth_dev, pci_dev);
964 
965 	hw->device_id = pci_dev->id.device_id;
966 	hw->vendor_id = pci_dev->id.vendor_id;
967 	hw->hw_addr = (void *)pci_dev->mem_resource[0].addr;
968 	adapter->stopped = 0;
969 
970 	/* Initialize the shared code (base driver) */
971 	diag = e1000_setup_init_funcs(hw, TRUE);
972 	if (diag != 0) {
973 		PMD_INIT_LOG(ERR, "Shared code init failed for igbvf: %d",
974 			diag);
975 		return -EIO;
976 	}
977 
978 	/* init_mailbox_params */
979 	hw->mbx.ops.init_params(hw);
980 
981 	/* Disable the interrupts for VF */
982 	igbvf_intr_disable(hw);
983 
984 	diag = hw->mac.ops.reset_hw(hw);
985 
986 	/* Allocate memory for storing MAC addresses */
987 	eth_dev->data->mac_addrs = rte_zmalloc("igbvf", RTE_ETHER_ADDR_LEN *
988 		hw->mac.rar_entry_count, 0);
989 	if (eth_dev->data->mac_addrs == NULL) {
990 		PMD_INIT_LOG(ERR,
991 			"Failed to allocate %d bytes needed to store MAC "
992 			"addresses",
993 			RTE_ETHER_ADDR_LEN * hw->mac.rar_entry_count);
994 		return -ENOMEM;
995 	}
996 
997 	/* Pass the information to the rte_eth_dev_close() that it should also
998 	 * release the private port resources.
999 	 */
1000 	eth_dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE;
1001 
1002 	/* Generate a random MAC address, if none was assigned by PF. */
1003 	if (rte_is_zero_ether_addr(perm_addr)) {
1004 		rte_eth_random_addr(perm_addr->addr_bytes);
1005 		PMD_INIT_LOG(INFO, "\tVF MAC address not assigned by Host PF");
1006 		PMD_INIT_LOG(INFO, "\tAssign randomly generated MAC address "
1007 			     "%02x:%02x:%02x:%02x:%02x:%02x",
1008 			     perm_addr->addr_bytes[0],
1009 			     perm_addr->addr_bytes[1],
1010 			     perm_addr->addr_bytes[2],
1011 			     perm_addr->addr_bytes[3],
1012 			     perm_addr->addr_bytes[4],
1013 			     perm_addr->addr_bytes[5]);
1014 	}
1015 
1016 	diag = e1000_rar_set(hw, perm_addr->addr_bytes, 0);
1017 	if (diag) {
1018 		rte_free(eth_dev->data->mac_addrs);
1019 		eth_dev->data->mac_addrs = NULL;
1020 		return diag;
1021 	}
1022 	/* Copy the permanent MAC address */
1023 	rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.perm_addr,
1024 			&eth_dev->data->mac_addrs[0]);
1025 
1026 	PMD_INIT_LOG(DEBUG, "port %d vendorID=0x%x deviceID=0x%x "
1027 		     "mac.type=%s",
1028 		     eth_dev->data->port_id, pci_dev->id.vendor_id,
1029 		     pci_dev->id.device_id, "igb_mac_82576_vf");
1030 
1031 	intr_handle = &pci_dev->intr_handle;
1032 	rte_intr_callback_register(intr_handle,
1033 				   eth_igbvf_interrupt_handler, eth_dev);
1034 
1035 	return 0;
1036 }
1037 
1038 static int
1039 eth_igbvf_dev_uninit(struct rte_eth_dev *eth_dev)
1040 {
1041 	PMD_INIT_FUNC_TRACE();
1042 
1043 	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1044 		return -EPERM;
1045 
1046 	igbvf_dev_close(eth_dev);
1047 
1048 	return 0;
1049 }
1050 
1051 static int eth_igb_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1052 	struct rte_pci_device *pci_dev)
1053 {
1054 	return rte_eth_dev_pci_generic_probe(pci_dev,
1055 		sizeof(struct e1000_adapter), eth_igb_dev_init);
1056 }
1057 
1058 static int eth_igb_pci_remove(struct rte_pci_device *pci_dev)
1059 {
1060 	return rte_eth_dev_pci_generic_remove(pci_dev, eth_igb_dev_uninit);
1061 }
1062 
1063 static struct rte_pci_driver rte_igb_pmd = {
1064 	.id_table = pci_id_igb_map,
1065 	.drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
1066 	.probe = eth_igb_pci_probe,
1067 	.remove = eth_igb_pci_remove,
1068 };
1069 
1070 
1071 static int eth_igbvf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1072 	struct rte_pci_device *pci_dev)
1073 {
1074 	return rte_eth_dev_pci_generic_probe(pci_dev,
1075 		sizeof(struct e1000_adapter), eth_igbvf_dev_init);
1076 }
1077 
1078 static int eth_igbvf_pci_remove(struct rte_pci_device *pci_dev)
1079 {
1080 	return rte_eth_dev_pci_generic_remove(pci_dev, eth_igbvf_dev_uninit);
1081 }
1082 
1083 /*
1084  * virtual function driver struct
1085  */
1086 static struct rte_pci_driver rte_igbvf_pmd = {
1087 	.id_table = pci_id_igbvf_map,
1088 	.drv_flags = RTE_PCI_DRV_NEED_MAPPING,
1089 	.probe = eth_igbvf_pci_probe,
1090 	.remove = eth_igbvf_pci_remove,
1091 };
1092 
1093 static void
1094 igb_vmdq_vlan_hw_filter_enable(struct rte_eth_dev *dev)
1095 {
1096 	struct e1000_hw *hw =
1097 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1098 	/* RCTL: enable VLAN filter since VMDq always use VLAN filter */
1099 	uint32_t rctl = E1000_READ_REG(hw, E1000_RCTL);
1100 	rctl |= E1000_RCTL_VFE;
1101 	E1000_WRITE_REG(hw, E1000_RCTL, rctl);
1102 }
1103 
1104 static int
1105 igb_check_mq_mode(struct rte_eth_dev *dev)
1106 {
1107 	enum rte_eth_rx_mq_mode rx_mq_mode = dev->data->dev_conf.rxmode.mq_mode;
1108 	enum rte_eth_tx_mq_mode tx_mq_mode = dev->data->dev_conf.txmode.mq_mode;
1109 	uint16_t nb_rx_q = dev->data->nb_rx_queues;
1110 	uint16_t nb_tx_q = dev->data->nb_tx_queues;
1111 
1112 	if ((rx_mq_mode & ETH_MQ_RX_DCB_FLAG) ||
1113 	    tx_mq_mode == ETH_MQ_TX_DCB ||
1114 	    tx_mq_mode == ETH_MQ_TX_VMDQ_DCB) {
1115 		PMD_INIT_LOG(ERR, "DCB mode is not supported.");
1116 		return -EINVAL;
1117 	}
1118 	if (RTE_ETH_DEV_SRIOV(dev).active != 0) {
1119 		/* Check multi-queue mode.
1120 		 * To no break software we accept ETH_MQ_RX_NONE as this might
1121 		 * be used to turn off VLAN filter.
1122 		 */
1123 
1124 		if (rx_mq_mode == ETH_MQ_RX_NONE ||
1125 		    rx_mq_mode == ETH_MQ_RX_VMDQ_ONLY) {
1126 			dev->data->dev_conf.rxmode.mq_mode = ETH_MQ_RX_VMDQ_ONLY;
1127 			RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool = 1;
1128 		} else {
1129 			/* Only support one queue on VFs.
1130 			 * RSS together with SRIOV is not supported.
1131 			 */
1132 			PMD_INIT_LOG(ERR, "SRIOV is active,"
1133 					" wrong mq_mode rx %d.",
1134 					rx_mq_mode);
1135 			return -EINVAL;
1136 		}
1137 		/* TX mode is not used here, so mode might be ignored.*/
1138 		if (tx_mq_mode != ETH_MQ_TX_VMDQ_ONLY) {
1139 			/* SRIOV only works in VMDq enable mode */
1140 			PMD_INIT_LOG(WARNING, "SRIOV is active,"
1141 					" TX mode %d is not supported. "
1142 					" Driver will behave as %d mode.",
1143 					tx_mq_mode, ETH_MQ_TX_VMDQ_ONLY);
1144 		}
1145 
1146 		/* check valid queue number */
1147 		if ((nb_rx_q > 1) || (nb_tx_q > 1)) {
1148 			PMD_INIT_LOG(ERR, "SRIOV is active,"
1149 					" only support one queue on VFs.");
1150 			return -EINVAL;
1151 		}
1152 	} else {
1153 		/* To no break software that set invalid mode, only display
1154 		 * warning if invalid mode is used.
1155 		 */
1156 		if (rx_mq_mode != ETH_MQ_RX_NONE &&
1157 		    rx_mq_mode != ETH_MQ_RX_VMDQ_ONLY &&
1158 		    rx_mq_mode != ETH_MQ_RX_RSS) {
1159 			/* RSS together with VMDq not supported*/
1160 			PMD_INIT_LOG(ERR, "RX mode %d is not supported.",
1161 				     rx_mq_mode);
1162 			return -EINVAL;
1163 		}
1164 
1165 		if (tx_mq_mode != ETH_MQ_TX_NONE &&
1166 		    tx_mq_mode != ETH_MQ_TX_VMDQ_ONLY) {
1167 			PMD_INIT_LOG(WARNING, "TX mode %d is not supported."
1168 					" Due to txmode is meaningless in this"
1169 					" driver, just ignore.",
1170 					tx_mq_mode);
1171 		}
1172 	}
1173 	return 0;
1174 }
1175 
1176 static int
1177 eth_igb_configure(struct rte_eth_dev *dev)
1178 {
1179 	struct e1000_interrupt *intr =
1180 		E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
1181 	int ret;
1182 
1183 	PMD_INIT_FUNC_TRACE();
1184 
1185 	/* multipe queue mode checking */
1186 	ret  = igb_check_mq_mode(dev);
1187 	if (ret != 0) {
1188 		PMD_DRV_LOG(ERR, "igb_check_mq_mode fails with %d.",
1189 			    ret);
1190 		return ret;
1191 	}
1192 
1193 	intr->flags |= E1000_FLAG_NEED_LINK_UPDATE;
1194 	PMD_INIT_FUNC_TRACE();
1195 
1196 	return 0;
1197 }
1198 
1199 static void
1200 eth_igb_rxtx_control(struct rte_eth_dev *dev,
1201 		     bool enable)
1202 {
1203 	struct e1000_hw *hw =
1204 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1205 	uint32_t tctl, rctl;
1206 
1207 	tctl = E1000_READ_REG(hw, E1000_TCTL);
1208 	rctl = E1000_READ_REG(hw, E1000_RCTL);
1209 
1210 	if (enable) {
1211 		/* enable Tx/Rx */
1212 		tctl |= E1000_TCTL_EN;
1213 		rctl |= E1000_RCTL_EN;
1214 	} else {
1215 		/* disable Tx/Rx */
1216 		tctl &= ~E1000_TCTL_EN;
1217 		rctl &= ~E1000_RCTL_EN;
1218 	}
1219 	E1000_WRITE_REG(hw, E1000_TCTL, tctl);
1220 	E1000_WRITE_REG(hw, E1000_RCTL, rctl);
1221 	E1000_WRITE_FLUSH(hw);
1222 }
1223 
1224 static int
1225 eth_igb_start(struct rte_eth_dev *dev)
1226 {
1227 	struct e1000_hw *hw =
1228 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1229 	struct e1000_adapter *adapter =
1230 		E1000_DEV_PRIVATE(dev->data->dev_private);
1231 	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1232 	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1233 	int ret, mask;
1234 	uint32_t intr_vector = 0;
1235 	uint32_t ctrl_ext;
1236 	uint32_t *speeds;
1237 	int num_speeds;
1238 	bool autoneg;
1239 
1240 	PMD_INIT_FUNC_TRACE();
1241 
1242 	/* disable uio/vfio intr/eventfd mapping */
1243 	rte_intr_disable(intr_handle);
1244 
1245 	/* Power up the phy. Needed to make the link go Up */
1246 	eth_igb_dev_set_link_up(dev);
1247 
1248 	/*
1249 	 * Packet Buffer Allocation (PBA)
1250 	 * Writing PBA sets the receive portion of the buffer
1251 	 * the remainder is used for the transmit buffer.
1252 	 */
1253 	if (hw->mac.type == e1000_82575) {
1254 		uint32_t pba;
1255 
1256 		pba = E1000_PBA_32K; /* 32K for Rx, 16K for Tx */
1257 		E1000_WRITE_REG(hw, E1000_PBA, pba);
1258 	}
1259 
1260 	/* Put the address into the Receive Address Array */
1261 	e1000_rar_set(hw, hw->mac.addr, 0);
1262 
1263 	/* Initialize the hardware */
1264 	if (igb_hardware_init(hw)) {
1265 		PMD_INIT_LOG(ERR, "Unable to initialize the hardware");
1266 		return -EIO;
1267 	}
1268 	adapter->stopped = 0;
1269 
1270 	E1000_WRITE_REG(hw, E1000_VET,
1271 			RTE_ETHER_TYPE_VLAN << 16 | RTE_ETHER_TYPE_VLAN);
1272 
1273 	ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
1274 	/* Set PF Reset Done bit so PF/VF Mail Ops can work */
1275 	ctrl_ext |= E1000_CTRL_EXT_PFRSTD;
1276 	E1000_WRITE_REG(hw, E1000_CTRL_EXT, ctrl_ext);
1277 	E1000_WRITE_FLUSH(hw);
1278 
1279 	/* configure PF module if SRIOV enabled */
1280 	igb_pf_host_configure(dev);
1281 
1282 	/* check and configure queue intr-vector mapping */
1283 	if ((rte_intr_cap_multiple(intr_handle) ||
1284 	     !RTE_ETH_DEV_SRIOV(dev).active) &&
1285 	    dev->data->dev_conf.intr_conf.rxq != 0) {
1286 		intr_vector = dev->data->nb_rx_queues;
1287 		if (rte_intr_efd_enable(intr_handle, intr_vector))
1288 			return -1;
1289 	}
1290 
1291 	if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) {
1292 		intr_handle->intr_vec =
1293 			rte_zmalloc("intr_vec",
1294 				    dev->data->nb_rx_queues * sizeof(int), 0);
1295 		if (intr_handle->intr_vec == NULL) {
1296 			PMD_INIT_LOG(ERR, "Failed to allocate %d rx_queues"
1297 				     " intr_vec", dev->data->nb_rx_queues);
1298 			return -ENOMEM;
1299 		}
1300 	}
1301 
1302 	/* confiugre msix for rx interrupt */
1303 	eth_igb_configure_msix_intr(dev);
1304 
1305 	/* Configure for OS presence */
1306 	igb_init_manageability(hw);
1307 
1308 	eth_igb_tx_init(dev);
1309 
1310 	/* This can fail when allocating mbufs for descriptor rings */
1311 	ret = eth_igb_rx_init(dev);
1312 	if (ret) {
1313 		PMD_INIT_LOG(ERR, "Unable to initialize RX hardware");
1314 		igb_dev_clear_queues(dev);
1315 		return ret;
1316 	}
1317 
1318 	e1000_clear_hw_cntrs_base_generic(hw);
1319 
1320 	/*
1321 	 * VLAN Offload Settings
1322 	 */
1323 	mask = ETH_VLAN_STRIP_MASK | ETH_VLAN_FILTER_MASK | \
1324 			ETH_VLAN_EXTEND_MASK;
1325 	ret = eth_igb_vlan_offload_set(dev, mask);
1326 	if (ret) {
1327 		PMD_INIT_LOG(ERR, "Unable to set vlan offload");
1328 		igb_dev_clear_queues(dev);
1329 		return ret;
1330 	}
1331 
1332 	if (dev->data->dev_conf.rxmode.mq_mode == ETH_MQ_RX_VMDQ_ONLY) {
1333 		/* Enable VLAN filter since VMDq always use VLAN filter */
1334 		igb_vmdq_vlan_hw_filter_enable(dev);
1335 	}
1336 
1337 	if ((hw->mac.type == e1000_82576) || (hw->mac.type == e1000_82580) ||
1338 		(hw->mac.type == e1000_i350) || (hw->mac.type == e1000_i210) ||
1339 		(hw->mac.type == e1000_i211)) {
1340 		/* Configure EITR with the maximum possible value (0xFFFF) */
1341 		E1000_WRITE_REG(hw, E1000_EITR(0), 0xFFFF);
1342 	}
1343 
1344 	/* Setup link speed and duplex */
1345 	speeds = &dev->data->dev_conf.link_speeds;
1346 	if (*speeds == ETH_LINK_SPEED_AUTONEG) {
1347 		hw->phy.autoneg_advertised = E1000_ALL_SPEED_DUPLEX;
1348 		hw->mac.autoneg = 1;
1349 	} else {
1350 		num_speeds = 0;
1351 		autoneg = (*speeds & ETH_LINK_SPEED_FIXED) == 0;
1352 
1353 		/* Reset */
1354 		hw->phy.autoneg_advertised = 0;
1355 
1356 		if (*speeds & ~(ETH_LINK_SPEED_10M_HD | ETH_LINK_SPEED_10M |
1357 				ETH_LINK_SPEED_100M_HD | ETH_LINK_SPEED_100M |
1358 				ETH_LINK_SPEED_1G | ETH_LINK_SPEED_FIXED)) {
1359 			num_speeds = -1;
1360 			goto error_invalid_config;
1361 		}
1362 		if (*speeds & ETH_LINK_SPEED_10M_HD) {
1363 			hw->phy.autoneg_advertised |= ADVERTISE_10_HALF;
1364 			num_speeds++;
1365 		}
1366 		if (*speeds & ETH_LINK_SPEED_10M) {
1367 			hw->phy.autoneg_advertised |= ADVERTISE_10_FULL;
1368 			num_speeds++;
1369 		}
1370 		if (*speeds & ETH_LINK_SPEED_100M_HD) {
1371 			hw->phy.autoneg_advertised |= ADVERTISE_100_HALF;
1372 			num_speeds++;
1373 		}
1374 		if (*speeds & ETH_LINK_SPEED_100M) {
1375 			hw->phy.autoneg_advertised |= ADVERTISE_100_FULL;
1376 			num_speeds++;
1377 		}
1378 		if (*speeds & ETH_LINK_SPEED_1G) {
1379 			hw->phy.autoneg_advertised |= ADVERTISE_1000_FULL;
1380 			num_speeds++;
1381 		}
1382 		if (num_speeds == 0 || (!autoneg && (num_speeds > 1)))
1383 			goto error_invalid_config;
1384 
1385 		/* Set/reset the mac.autoneg based on the link speed,
1386 		 * fixed or not
1387 		 */
1388 		if (!autoneg) {
1389 			hw->mac.autoneg = 0;
1390 			hw->mac.forced_speed_duplex =
1391 					hw->phy.autoneg_advertised;
1392 		} else {
1393 			hw->mac.autoneg = 1;
1394 		}
1395 	}
1396 
1397 	e1000_setup_link(hw);
1398 
1399 	if (rte_intr_allow_others(intr_handle)) {
1400 		/* check if lsc interrupt is enabled */
1401 		if (dev->data->dev_conf.intr_conf.lsc != 0)
1402 			eth_igb_lsc_interrupt_setup(dev, TRUE);
1403 		else
1404 			eth_igb_lsc_interrupt_setup(dev, FALSE);
1405 	} else {
1406 		rte_intr_callback_unregister(intr_handle,
1407 					     eth_igb_interrupt_handler,
1408 					     (void *)dev);
1409 		if (dev->data->dev_conf.intr_conf.lsc != 0)
1410 			PMD_INIT_LOG(INFO, "lsc won't enable because of"
1411 				     " no intr multiplex");
1412 	}
1413 
1414 	/* check if rxq interrupt is enabled */
1415 	if (dev->data->dev_conf.intr_conf.rxq != 0 &&
1416 	    rte_intr_dp_is_en(intr_handle))
1417 		eth_igb_rxq_interrupt_setup(dev);
1418 
1419 	/* enable uio/vfio intr/eventfd mapping */
1420 	rte_intr_enable(intr_handle);
1421 
1422 	/* resume enabled intr since hw reset */
1423 	igb_intr_enable(dev);
1424 
1425 	/* restore all types filter */
1426 	igb_filter_restore(dev);
1427 
1428 	eth_igb_rxtx_control(dev, true);
1429 	eth_igb_link_update(dev, 0);
1430 
1431 	PMD_INIT_LOG(DEBUG, "<<");
1432 
1433 	return 0;
1434 
1435 error_invalid_config:
1436 	PMD_INIT_LOG(ERR, "Invalid advertised speeds (%u) for port %u",
1437 		     dev->data->dev_conf.link_speeds, dev->data->port_id);
1438 	igb_dev_clear_queues(dev);
1439 	return -EINVAL;
1440 }
1441 
1442 /*********************************************************************
1443  *
1444  *  This routine disables all traffic on the adapter by issuing a
1445  *  global reset on the MAC.
1446  *
1447  **********************************************************************/
1448 static void
1449 eth_igb_stop(struct rte_eth_dev *dev)
1450 {
1451 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1452 	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1453 	struct rte_eth_link link;
1454 	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1455 	struct e1000_adapter *adapter =
1456 		E1000_DEV_PRIVATE(dev->data->dev_private);
1457 
1458 	if (adapter->stopped)
1459 		return;
1460 
1461 	eth_igb_rxtx_control(dev, false);
1462 
1463 	igb_intr_disable(dev);
1464 
1465 	/* disable intr eventfd mapping */
1466 	rte_intr_disable(intr_handle);
1467 
1468 	igb_pf_reset_hw(hw);
1469 	E1000_WRITE_REG(hw, E1000_WUC, 0);
1470 
1471 	/* Set bit for Go Link disconnect */
1472 	if (hw->mac.type >= e1000_82580) {
1473 		uint32_t phpm_reg;
1474 
1475 		phpm_reg = E1000_READ_REG(hw, E1000_82580_PHY_POWER_MGMT);
1476 		phpm_reg |= E1000_82580_PM_GO_LINKD;
1477 		E1000_WRITE_REG(hw, E1000_82580_PHY_POWER_MGMT, phpm_reg);
1478 	}
1479 
1480 	/* Power down the phy. Needed to make the link go Down */
1481 	eth_igb_dev_set_link_down(dev);
1482 
1483 	igb_dev_clear_queues(dev);
1484 
1485 	/* clear the recorded link status */
1486 	memset(&link, 0, sizeof(link));
1487 	rte_eth_linkstatus_set(dev, &link);
1488 
1489 	if (!rte_intr_allow_others(intr_handle))
1490 		/* resume to the default handler */
1491 		rte_intr_callback_register(intr_handle,
1492 					   eth_igb_interrupt_handler,
1493 					   (void *)dev);
1494 
1495 	/* Clean datapath event and queue/vec mapping */
1496 	rte_intr_efd_disable(intr_handle);
1497 	if (intr_handle->intr_vec != NULL) {
1498 		rte_free(intr_handle->intr_vec);
1499 		intr_handle->intr_vec = NULL;
1500 	}
1501 
1502 	adapter->stopped = true;
1503 }
1504 
1505 static int
1506 eth_igb_dev_set_link_up(struct rte_eth_dev *dev)
1507 {
1508 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1509 
1510 	if (hw->phy.media_type == e1000_media_type_copper)
1511 		e1000_power_up_phy(hw);
1512 	else
1513 		e1000_power_up_fiber_serdes_link(hw);
1514 
1515 	return 0;
1516 }
1517 
1518 static int
1519 eth_igb_dev_set_link_down(struct rte_eth_dev *dev)
1520 {
1521 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1522 
1523 	if (hw->phy.media_type == e1000_media_type_copper)
1524 		e1000_power_down_phy(hw);
1525 	else
1526 		e1000_shutdown_fiber_serdes_link(hw);
1527 
1528 	return 0;
1529 }
1530 
1531 static void
1532 eth_igb_close(struct rte_eth_dev *dev)
1533 {
1534 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1535 	struct rte_eth_link link;
1536 	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1537 	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1538 	struct e1000_filter_info *filter_info =
1539 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
1540 
1541 	eth_igb_stop(dev);
1542 
1543 	e1000_phy_hw_reset(hw);
1544 	igb_release_manageability(hw);
1545 	igb_hw_control_release(hw);
1546 
1547 	/* Clear bit for Go Link disconnect */
1548 	if (hw->mac.type >= e1000_82580) {
1549 		uint32_t phpm_reg;
1550 
1551 		phpm_reg = E1000_READ_REG(hw, E1000_82580_PHY_POWER_MGMT);
1552 		phpm_reg &= ~E1000_82580_PM_GO_LINKD;
1553 		E1000_WRITE_REG(hw, E1000_82580_PHY_POWER_MGMT, phpm_reg);
1554 	}
1555 
1556 	igb_dev_free_queues(dev);
1557 
1558 	if (intr_handle->intr_vec) {
1559 		rte_free(intr_handle->intr_vec);
1560 		intr_handle->intr_vec = NULL;
1561 	}
1562 
1563 	memset(&link, 0, sizeof(link));
1564 	rte_eth_linkstatus_set(dev, &link);
1565 
1566 	dev->dev_ops = NULL;
1567 	dev->rx_pkt_burst = NULL;
1568 	dev->tx_pkt_burst = NULL;
1569 
1570 	/* Reset any pending lock */
1571 	igb_reset_swfw_lock(hw);
1572 
1573 	/* uninitialize PF if max_vfs not zero */
1574 	igb_pf_host_uninit(dev);
1575 
1576 	rte_intr_callback_unregister(intr_handle,
1577 				     eth_igb_interrupt_handler, dev);
1578 
1579 	/* clear the SYN filter info */
1580 	filter_info->syn_info = 0;
1581 
1582 	/* clear the ethertype filters info */
1583 	filter_info->ethertype_mask = 0;
1584 	memset(filter_info->ethertype_filters, 0,
1585 		E1000_MAX_ETQF_FILTERS * sizeof(struct igb_ethertype_filter));
1586 
1587 	/* clear the rss filter info */
1588 	memset(&filter_info->rss_info, 0,
1589 		sizeof(struct igb_rte_flow_rss_conf));
1590 
1591 	/* remove all ntuple filters of the device */
1592 	igb_ntuple_filter_uninit(dev);
1593 
1594 	/* remove all flex filters of the device */
1595 	igb_flex_filter_uninit(dev);
1596 
1597 	/* clear all the filters list */
1598 	igb_filterlist_flush(dev);
1599 }
1600 
1601 /*
1602  * Reset PF device.
1603  */
1604 static int
1605 eth_igb_reset(struct rte_eth_dev *dev)
1606 {
1607 	int ret;
1608 
1609 	/* When a DPDK PMD PF begin to reset PF port, it should notify all
1610 	 * its VF to make them align with it. The detailed notification
1611 	 * mechanism is PMD specific and is currently not implemented.
1612 	 * To avoid unexpected behavior in VF, currently reset of PF with
1613 	 * SR-IOV activation is not supported. It might be supported later.
1614 	 */
1615 	if (dev->data->sriov.active)
1616 		return -ENOTSUP;
1617 
1618 	ret = eth_igb_dev_uninit(dev);
1619 	if (ret)
1620 		return ret;
1621 
1622 	ret = eth_igb_dev_init(dev);
1623 
1624 	return ret;
1625 }
1626 
1627 
1628 static int
1629 igb_get_rx_buffer_size(struct e1000_hw *hw)
1630 {
1631 	uint32_t rx_buf_size;
1632 	if (hw->mac.type == e1000_82576) {
1633 		rx_buf_size = (E1000_READ_REG(hw, E1000_RXPBS) & 0xffff) << 10;
1634 	} else if (hw->mac.type == e1000_82580 || hw->mac.type == e1000_i350) {
1635 		/* PBS needs to be translated according to a lookup table */
1636 		rx_buf_size = (E1000_READ_REG(hw, E1000_RXPBS) & 0xf);
1637 		rx_buf_size = (uint32_t) e1000_rxpbs_adjust_82580(rx_buf_size);
1638 		rx_buf_size = (rx_buf_size << 10);
1639 	} else if (hw->mac.type == e1000_i210 || hw->mac.type == e1000_i211) {
1640 		rx_buf_size = (E1000_READ_REG(hw, E1000_RXPBS) & 0x3f) << 10;
1641 	} else {
1642 		rx_buf_size = (E1000_READ_REG(hw, E1000_PBA) & 0xffff) << 10;
1643 	}
1644 
1645 	return rx_buf_size;
1646 }
1647 
1648 /*********************************************************************
1649  *
1650  *  Initialize the hardware
1651  *
1652  **********************************************************************/
1653 static int
1654 igb_hardware_init(struct e1000_hw *hw)
1655 {
1656 	uint32_t rx_buf_size;
1657 	int diag;
1658 
1659 	/* Let the firmware know the OS is in control */
1660 	igb_hw_control_acquire(hw);
1661 
1662 	/*
1663 	 * These parameters control the automatic generation (Tx) and
1664 	 * response (Rx) to Ethernet PAUSE frames.
1665 	 * - High water mark should allow for at least two standard size (1518)
1666 	 *   frames to be received after sending an XOFF.
1667 	 * - Low water mark works best when it is very near the high water mark.
1668 	 *   This allows the receiver to restart by sending XON when it has
1669 	 *   drained a bit. Here we use an arbitrary value of 1500 which will
1670 	 *   restart after one full frame is pulled from the buffer. There
1671 	 *   could be several smaller frames in the buffer and if so they will
1672 	 *   not trigger the XON until their total number reduces the buffer
1673 	 *   by 1500.
1674 	 * - The pause time is fairly large at 1000 x 512ns = 512 usec.
1675 	 */
1676 	rx_buf_size = igb_get_rx_buffer_size(hw);
1677 
1678 	hw->fc.high_water = rx_buf_size - (RTE_ETHER_MAX_LEN * 2);
1679 	hw->fc.low_water = hw->fc.high_water - 1500;
1680 	hw->fc.pause_time = IGB_FC_PAUSE_TIME;
1681 	hw->fc.send_xon = 1;
1682 
1683 	/* Set Flow control, use the tunable location if sane */
1684 	if ((igb_fc_setting != e1000_fc_none) && (igb_fc_setting < 4))
1685 		hw->fc.requested_mode = igb_fc_setting;
1686 	else
1687 		hw->fc.requested_mode = e1000_fc_none;
1688 
1689 	/* Issue a global reset */
1690 	igb_pf_reset_hw(hw);
1691 	E1000_WRITE_REG(hw, E1000_WUC, 0);
1692 
1693 	diag = e1000_init_hw(hw);
1694 	if (diag < 0)
1695 		return diag;
1696 
1697 	E1000_WRITE_REG(hw, E1000_VET,
1698 			RTE_ETHER_TYPE_VLAN << 16 | RTE_ETHER_TYPE_VLAN);
1699 	e1000_get_phy_info(hw);
1700 	e1000_check_for_link(hw);
1701 
1702 	return 0;
1703 }
1704 
1705 /* This function is based on igb_update_stats_counters() in igb/if_igb.c */
1706 static void
1707 igb_read_stats_registers(struct e1000_hw *hw, struct e1000_hw_stats *stats)
1708 {
1709 	int pause_frames;
1710 
1711 	uint64_t old_gprc  = stats->gprc;
1712 	uint64_t old_gptc  = stats->gptc;
1713 	uint64_t old_tpr   = stats->tpr;
1714 	uint64_t old_tpt   = stats->tpt;
1715 	uint64_t old_rpthc = stats->rpthc;
1716 	uint64_t old_hgptc = stats->hgptc;
1717 
1718 	if(hw->phy.media_type == e1000_media_type_copper ||
1719 	    (E1000_READ_REG(hw, E1000_STATUS) & E1000_STATUS_LU)) {
1720 		stats->symerrs +=
1721 		    E1000_READ_REG(hw,E1000_SYMERRS);
1722 		stats->sec += E1000_READ_REG(hw, E1000_SEC);
1723 	}
1724 
1725 	stats->crcerrs += E1000_READ_REG(hw, E1000_CRCERRS);
1726 	stats->mpc += E1000_READ_REG(hw, E1000_MPC);
1727 	stats->scc += E1000_READ_REG(hw, E1000_SCC);
1728 	stats->ecol += E1000_READ_REG(hw, E1000_ECOL);
1729 
1730 	stats->mcc += E1000_READ_REG(hw, E1000_MCC);
1731 	stats->latecol += E1000_READ_REG(hw, E1000_LATECOL);
1732 	stats->colc += E1000_READ_REG(hw, E1000_COLC);
1733 	stats->dc += E1000_READ_REG(hw, E1000_DC);
1734 	stats->rlec += E1000_READ_REG(hw, E1000_RLEC);
1735 	stats->xonrxc += E1000_READ_REG(hw, E1000_XONRXC);
1736 	stats->xontxc += E1000_READ_REG(hw, E1000_XONTXC);
1737 	/*
1738 	** For watchdog management we need to know if we have been
1739 	** paused during the last interval, so capture that here.
1740 	*/
1741 	pause_frames = E1000_READ_REG(hw, E1000_XOFFRXC);
1742 	stats->xoffrxc += pause_frames;
1743 	stats->xofftxc += E1000_READ_REG(hw, E1000_XOFFTXC);
1744 	stats->fcruc += E1000_READ_REG(hw, E1000_FCRUC);
1745 	stats->prc64 += E1000_READ_REG(hw, E1000_PRC64);
1746 	stats->prc127 += E1000_READ_REG(hw, E1000_PRC127);
1747 	stats->prc255 += E1000_READ_REG(hw, E1000_PRC255);
1748 	stats->prc511 += E1000_READ_REG(hw, E1000_PRC511);
1749 	stats->prc1023 += E1000_READ_REG(hw, E1000_PRC1023);
1750 	stats->prc1522 += E1000_READ_REG(hw, E1000_PRC1522);
1751 	stats->gprc += E1000_READ_REG(hw, E1000_GPRC);
1752 	stats->bprc += E1000_READ_REG(hw, E1000_BPRC);
1753 	stats->mprc += E1000_READ_REG(hw, E1000_MPRC);
1754 	stats->gptc += E1000_READ_REG(hw, E1000_GPTC);
1755 
1756 	/* For the 64-bit byte counters the low dword must be read first. */
1757 	/* Both registers clear on the read of the high dword */
1758 
1759 	/* Workaround CRC bytes included in size, take away 4 bytes/packet */
1760 	stats->gorc += E1000_READ_REG(hw, E1000_GORCL);
1761 	stats->gorc += ((uint64_t)E1000_READ_REG(hw, E1000_GORCH) << 32);
1762 	stats->gorc -= (stats->gprc - old_gprc) * RTE_ETHER_CRC_LEN;
1763 	stats->gotc += E1000_READ_REG(hw, E1000_GOTCL);
1764 	stats->gotc += ((uint64_t)E1000_READ_REG(hw, E1000_GOTCH) << 32);
1765 	stats->gotc -= (stats->gptc - old_gptc) * RTE_ETHER_CRC_LEN;
1766 
1767 	stats->rnbc += E1000_READ_REG(hw, E1000_RNBC);
1768 	stats->ruc += E1000_READ_REG(hw, E1000_RUC);
1769 	stats->rfc += E1000_READ_REG(hw, E1000_RFC);
1770 	stats->roc += E1000_READ_REG(hw, E1000_ROC);
1771 	stats->rjc += E1000_READ_REG(hw, E1000_RJC);
1772 
1773 	stats->tpr += E1000_READ_REG(hw, E1000_TPR);
1774 	stats->tpt += E1000_READ_REG(hw, E1000_TPT);
1775 
1776 	stats->tor += E1000_READ_REG(hw, E1000_TORL);
1777 	stats->tor += ((uint64_t)E1000_READ_REG(hw, E1000_TORH) << 32);
1778 	stats->tor -= (stats->tpr - old_tpr) * RTE_ETHER_CRC_LEN;
1779 	stats->tot += E1000_READ_REG(hw, E1000_TOTL);
1780 	stats->tot += ((uint64_t)E1000_READ_REG(hw, E1000_TOTH) << 32);
1781 	stats->tot -= (stats->tpt - old_tpt) * RTE_ETHER_CRC_LEN;
1782 
1783 	stats->ptc64 += E1000_READ_REG(hw, E1000_PTC64);
1784 	stats->ptc127 += E1000_READ_REG(hw, E1000_PTC127);
1785 	stats->ptc255 += E1000_READ_REG(hw, E1000_PTC255);
1786 	stats->ptc511 += E1000_READ_REG(hw, E1000_PTC511);
1787 	stats->ptc1023 += E1000_READ_REG(hw, E1000_PTC1023);
1788 	stats->ptc1522 += E1000_READ_REG(hw, E1000_PTC1522);
1789 	stats->mptc += E1000_READ_REG(hw, E1000_MPTC);
1790 	stats->bptc += E1000_READ_REG(hw, E1000_BPTC);
1791 
1792 	/* Interrupt Counts */
1793 
1794 	stats->iac += E1000_READ_REG(hw, E1000_IAC);
1795 	stats->icrxptc += E1000_READ_REG(hw, E1000_ICRXPTC);
1796 	stats->icrxatc += E1000_READ_REG(hw, E1000_ICRXATC);
1797 	stats->ictxptc += E1000_READ_REG(hw, E1000_ICTXPTC);
1798 	stats->ictxatc += E1000_READ_REG(hw, E1000_ICTXATC);
1799 	stats->ictxqec += E1000_READ_REG(hw, E1000_ICTXQEC);
1800 	stats->ictxqmtc += E1000_READ_REG(hw, E1000_ICTXQMTC);
1801 	stats->icrxdmtc += E1000_READ_REG(hw, E1000_ICRXDMTC);
1802 	stats->icrxoc += E1000_READ_REG(hw, E1000_ICRXOC);
1803 
1804 	/* Host to Card Statistics */
1805 
1806 	stats->cbtmpc += E1000_READ_REG(hw, E1000_CBTMPC);
1807 	stats->htdpmc += E1000_READ_REG(hw, E1000_HTDPMC);
1808 	stats->cbrdpc += E1000_READ_REG(hw, E1000_CBRDPC);
1809 	stats->cbrmpc += E1000_READ_REG(hw, E1000_CBRMPC);
1810 	stats->rpthc += E1000_READ_REG(hw, E1000_RPTHC);
1811 	stats->hgptc += E1000_READ_REG(hw, E1000_HGPTC);
1812 	stats->htcbdpc += E1000_READ_REG(hw, E1000_HTCBDPC);
1813 	stats->hgorc += E1000_READ_REG(hw, E1000_HGORCL);
1814 	stats->hgorc += ((uint64_t)E1000_READ_REG(hw, E1000_HGORCH) << 32);
1815 	stats->hgorc -= (stats->rpthc - old_rpthc) * RTE_ETHER_CRC_LEN;
1816 	stats->hgotc += E1000_READ_REG(hw, E1000_HGOTCL);
1817 	stats->hgotc += ((uint64_t)E1000_READ_REG(hw, E1000_HGOTCH) << 32);
1818 	stats->hgotc -= (stats->hgptc - old_hgptc) * RTE_ETHER_CRC_LEN;
1819 	stats->lenerrs += E1000_READ_REG(hw, E1000_LENERRS);
1820 	stats->scvpc += E1000_READ_REG(hw, E1000_SCVPC);
1821 	stats->hrmpc += E1000_READ_REG(hw, E1000_HRMPC);
1822 
1823 	stats->algnerrc += E1000_READ_REG(hw, E1000_ALGNERRC);
1824 	stats->rxerrc += E1000_READ_REG(hw, E1000_RXERRC);
1825 	stats->tncrs += E1000_READ_REG(hw, E1000_TNCRS);
1826 	stats->cexterr += E1000_READ_REG(hw, E1000_CEXTERR);
1827 	stats->tsctc += E1000_READ_REG(hw, E1000_TSCTC);
1828 	stats->tsctfc += E1000_READ_REG(hw, E1000_TSCTFC);
1829 }
1830 
1831 static int
1832 eth_igb_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *rte_stats)
1833 {
1834 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1835 	struct e1000_hw_stats *stats =
1836 			E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
1837 
1838 	igb_read_stats_registers(hw, stats);
1839 
1840 	if (rte_stats == NULL)
1841 		return -EINVAL;
1842 
1843 	/* Rx Errors */
1844 	rte_stats->imissed = stats->mpc;
1845 	rte_stats->ierrors = stats->crcerrs +
1846 	                     stats->rlec + stats->ruc + stats->roc +
1847 	                     stats->rxerrc + stats->algnerrc + stats->cexterr;
1848 
1849 	/* Tx Errors */
1850 	rte_stats->oerrors = stats->ecol + stats->latecol;
1851 
1852 	rte_stats->ipackets = stats->gprc;
1853 	rte_stats->opackets = stats->gptc;
1854 	rte_stats->ibytes   = stats->gorc;
1855 	rte_stats->obytes   = stats->gotc;
1856 	return 0;
1857 }
1858 
1859 static int
1860 eth_igb_stats_reset(struct rte_eth_dev *dev)
1861 {
1862 	struct e1000_hw_stats *hw_stats =
1863 			E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
1864 
1865 	/* HW registers are cleared on read */
1866 	eth_igb_stats_get(dev, NULL);
1867 
1868 	/* Reset software totals */
1869 	memset(hw_stats, 0, sizeof(*hw_stats));
1870 
1871 	return 0;
1872 }
1873 
1874 static int
1875 eth_igb_xstats_reset(struct rte_eth_dev *dev)
1876 {
1877 	struct e1000_hw_stats *stats =
1878 			E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
1879 
1880 	/* HW registers are cleared on read */
1881 	eth_igb_xstats_get(dev, NULL, IGB_NB_XSTATS);
1882 
1883 	/* Reset software totals */
1884 	memset(stats, 0, sizeof(*stats));
1885 
1886 	return 0;
1887 }
1888 
1889 static int eth_igb_xstats_get_names(__rte_unused struct rte_eth_dev *dev,
1890 	struct rte_eth_xstat_name *xstats_names,
1891 	__rte_unused unsigned int size)
1892 {
1893 	unsigned i;
1894 
1895 	if (xstats_names == NULL)
1896 		return IGB_NB_XSTATS;
1897 
1898 	/* Note: limit checked in rte_eth_xstats_names() */
1899 
1900 	for (i = 0; i < IGB_NB_XSTATS; i++) {
1901 		strlcpy(xstats_names[i].name, rte_igb_stats_strings[i].name,
1902 			sizeof(xstats_names[i].name));
1903 	}
1904 
1905 	return IGB_NB_XSTATS;
1906 }
1907 
1908 static int eth_igb_xstats_get_names_by_id(struct rte_eth_dev *dev,
1909 		struct rte_eth_xstat_name *xstats_names, const uint64_t *ids,
1910 		unsigned int limit)
1911 {
1912 	unsigned int i;
1913 
1914 	if (!ids) {
1915 		if (xstats_names == NULL)
1916 			return IGB_NB_XSTATS;
1917 
1918 		for (i = 0; i < IGB_NB_XSTATS; i++)
1919 			strlcpy(xstats_names[i].name,
1920 				rte_igb_stats_strings[i].name,
1921 				sizeof(xstats_names[i].name));
1922 
1923 		return IGB_NB_XSTATS;
1924 
1925 	} else {
1926 		struct rte_eth_xstat_name xstats_names_copy[IGB_NB_XSTATS];
1927 
1928 		eth_igb_xstats_get_names_by_id(dev, xstats_names_copy, NULL,
1929 				IGB_NB_XSTATS);
1930 
1931 		for (i = 0; i < limit; i++) {
1932 			if (ids[i] >= IGB_NB_XSTATS) {
1933 				PMD_INIT_LOG(ERR, "id value isn't valid");
1934 				return -1;
1935 			}
1936 			strcpy(xstats_names[i].name,
1937 					xstats_names_copy[ids[i]].name);
1938 		}
1939 		return limit;
1940 	}
1941 }
1942 
1943 static int
1944 eth_igb_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
1945 		   unsigned n)
1946 {
1947 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1948 	struct e1000_hw_stats *hw_stats =
1949 			E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
1950 	unsigned i;
1951 
1952 	if (n < IGB_NB_XSTATS)
1953 		return IGB_NB_XSTATS;
1954 
1955 	igb_read_stats_registers(hw, hw_stats);
1956 
1957 	/* If this is a reset xstats is NULL, and we have cleared the
1958 	 * registers by reading them.
1959 	 */
1960 	if (!xstats)
1961 		return 0;
1962 
1963 	/* Extended stats */
1964 	for (i = 0; i < IGB_NB_XSTATS; i++) {
1965 		xstats[i].id = i;
1966 		xstats[i].value = *(uint64_t *)(((char *)hw_stats) +
1967 			rte_igb_stats_strings[i].offset);
1968 	}
1969 
1970 	return IGB_NB_XSTATS;
1971 }
1972 
1973 static int
1974 eth_igb_xstats_get_by_id(struct rte_eth_dev *dev, const uint64_t *ids,
1975 		uint64_t *values, unsigned int n)
1976 {
1977 	unsigned int i;
1978 
1979 	if (!ids) {
1980 		struct e1000_hw *hw =
1981 			E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1982 		struct e1000_hw_stats *hw_stats =
1983 			E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
1984 
1985 		if (n < IGB_NB_XSTATS)
1986 			return IGB_NB_XSTATS;
1987 
1988 		igb_read_stats_registers(hw, hw_stats);
1989 
1990 		/* If this is a reset xstats is NULL, and we have cleared the
1991 		 * registers by reading them.
1992 		 */
1993 		if (!values)
1994 			return 0;
1995 
1996 		/* Extended stats */
1997 		for (i = 0; i < IGB_NB_XSTATS; i++)
1998 			values[i] = *(uint64_t *)(((char *)hw_stats) +
1999 					rte_igb_stats_strings[i].offset);
2000 
2001 		return IGB_NB_XSTATS;
2002 
2003 	} else {
2004 		uint64_t values_copy[IGB_NB_XSTATS];
2005 
2006 		eth_igb_xstats_get_by_id(dev, NULL, values_copy,
2007 				IGB_NB_XSTATS);
2008 
2009 		for (i = 0; i < n; i++) {
2010 			if (ids[i] >= IGB_NB_XSTATS) {
2011 				PMD_INIT_LOG(ERR, "id value isn't valid");
2012 				return -1;
2013 			}
2014 			values[i] = values_copy[ids[i]];
2015 		}
2016 		return n;
2017 	}
2018 }
2019 
2020 static void
2021 igbvf_read_stats_registers(struct e1000_hw *hw, struct e1000_vf_stats *hw_stats)
2022 {
2023 	/* Good Rx packets, include VF loopback */
2024 	UPDATE_VF_STAT(E1000_VFGPRC,
2025 	    hw_stats->last_gprc, hw_stats->gprc);
2026 
2027 	/* Good Rx octets, include VF loopback */
2028 	UPDATE_VF_STAT(E1000_VFGORC,
2029 	    hw_stats->last_gorc, hw_stats->gorc);
2030 
2031 	/* Good Tx packets, include VF loopback */
2032 	UPDATE_VF_STAT(E1000_VFGPTC,
2033 	    hw_stats->last_gptc, hw_stats->gptc);
2034 
2035 	/* Good Tx octets, include VF loopback */
2036 	UPDATE_VF_STAT(E1000_VFGOTC,
2037 	    hw_stats->last_gotc, hw_stats->gotc);
2038 
2039 	/* Rx Multicst packets */
2040 	UPDATE_VF_STAT(E1000_VFMPRC,
2041 	    hw_stats->last_mprc, hw_stats->mprc);
2042 
2043 	/* Good Rx loopback packets */
2044 	UPDATE_VF_STAT(E1000_VFGPRLBC,
2045 	    hw_stats->last_gprlbc, hw_stats->gprlbc);
2046 
2047 	/* Good Rx loopback octets */
2048 	UPDATE_VF_STAT(E1000_VFGORLBC,
2049 	    hw_stats->last_gorlbc, hw_stats->gorlbc);
2050 
2051 	/* Good Tx loopback packets */
2052 	UPDATE_VF_STAT(E1000_VFGPTLBC,
2053 	    hw_stats->last_gptlbc, hw_stats->gptlbc);
2054 
2055 	/* Good Tx loopback octets */
2056 	UPDATE_VF_STAT(E1000_VFGOTLBC,
2057 	    hw_stats->last_gotlbc, hw_stats->gotlbc);
2058 }
2059 
2060 static int eth_igbvf_xstats_get_names(__rte_unused struct rte_eth_dev *dev,
2061 				     struct rte_eth_xstat_name *xstats_names,
2062 				     __rte_unused unsigned limit)
2063 {
2064 	unsigned i;
2065 
2066 	if (xstats_names != NULL)
2067 		for (i = 0; i < IGBVF_NB_XSTATS; i++) {
2068 			strlcpy(xstats_names[i].name,
2069 				rte_igbvf_stats_strings[i].name,
2070 				sizeof(xstats_names[i].name));
2071 		}
2072 	return IGBVF_NB_XSTATS;
2073 }
2074 
2075 static int
2076 eth_igbvf_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
2077 		     unsigned n)
2078 {
2079 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2080 	struct e1000_vf_stats *hw_stats = (struct e1000_vf_stats *)
2081 			E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
2082 	unsigned i;
2083 
2084 	if (n < IGBVF_NB_XSTATS)
2085 		return IGBVF_NB_XSTATS;
2086 
2087 	igbvf_read_stats_registers(hw, hw_stats);
2088 
2089 	if (!xstats)
2090 		return 0;
2091 
2092 	for (i = 0; i < IGBVF_NB_XSTATS; i++) {
2093 		xstats[i].id = i;
2094 		xstats[i].value = *(uint64_t *)(((char *)hw_stats) +
2095 			rte_igbvf_stats_strings[i].offset);
2096 	}
2097 
2098 	return IGBVF_NB_XSTATS;
2099 }
2100 
2101 static int
2102 eth_igbvf_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *rte_stats)
2103 {
2104 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2105 	struct e1000_vf_stats *hw_stats = (struct e1000_vf_stats *)
2106 			  E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
2107 
2108 	igbvf_read_stats_registers(hw, hw_stats);
2109 
2110 	if (rte_stats == NULL)
2111 		return -EINVAL;
2112 
2113 	rte_stats->ipackets = hw_stats->gprc;
2114 	rte_stats->ibytes = hw_stats->gorc;
2115 	rte_stats->opackets = hw_stats->gptc;
2116 	rte_stats->obytes = hw_stats->gotc;
2117 	return 0;
2118 }
2119 
2120 static int
2121 eth_igbvf_stats_reset(struct rte_eth_dev *dev)
2122 {
2123 	struct e1000_vf_stats *hw_stats = (struct e1000_vf_stats*)
2124 			E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
2125 
2126 	/* Sync HW register to the last stats */
2127 	eth_igbvf_stats_get(dev, NULL);
2128 
2129 	/* reset HW current stats*/
2130 	memset(&hw_stats->gprc, 0, sizeof(*hw_stats) -
2131 	       offsetof(struct e1000_vf_stats, gprc));
2132 
2133 	return 0;
2134 }
2135 
2136 static int
2137 eth_igb_fw_version_get(struct rte_eth_dev *dev, char *fw_version,
2138 		       size_t fw_size)
2139 {
2140 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2141 	struct e1000_fw_version fw;
2142 	int ret;
2143 
2144 	e1000_get_fw_version(hw, &fw);
2145 
2146 	switch (hw->mac.type) {
2147 	case e1000_i210:
2148 	case e1000_i211:
2149 		if (!(e1000_get_flash_presence_i210(hw))) {
2150 			ret = snprintf(fw_version, fw_size,
2151 				 "%2d.%2d-%d",
2152 				 fw.invm_major, fw.invm_minor,
2153 				 fw.invm_img_type);
2154 			break;
2155 		}
2156 		/* fall through */
2157 	default:
2158 		/* if option rom is valid, display its version too */
2159 		if (fw.or_valid) {
2160 			ret = snprintf(fw_version, fw_size,
2161 				 "%d.%d, 0x%08x, %d.%d.%d",
2162 				 fw.eep_major, fw.eep_minor, fw.etrack_id,
2163 				 fw.or_major, fw.or_build, fw.or_patch);
2164 		/* no option rom */
2165 		} else {
2166 			if (fw.etrack_id != 0X0000) {
2167 				ret = snprintf(fw_version, fw_size,
2168 					 "%d.%d, 0x%08x",
2169 					 fw.eep_major, fw.eep_minor,
2170 					 fw.etrack_id);
2171 			} else {
2172 				ret = snprintf(fw_version, fw_size,
2173 					 "%d.%d.%d",
2174 					 fw.eep_major, fw.eep_minor,
2175 					 fw.eep_build);
2176 			}
2177 		}
2178 		break;
2179 	}
2180 
2181 	ret += 1; /* add the size of '\0' */
2182 	if (fw_size < (u32)ret)
2183 		return ret;
2184 	else
2185 		return 0;
2186 }
2187 
2188 static int
2189 eth_igb_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
2190 {
2191 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2192 
2193 	dev_info->min_rx_bufsize = 256; /* See BSIZE field of RCTL register. */
2194 	dev_info->max_rx_pktlen  = 0x3FFF; /* See RLPML register. */
2195 	dev_info->max_mac_addrs = hw->mac.rar_entry_count;
2196 	dev_info->rx_queue_offload_capa = igb_get_rx_queue_offloads_capa(dev);
2197 	dev_info->rx_offload_capa = igb_get_rx_port_offloads_capa(dev) |
2198 				    dev_info->rx_queue_offload_capa;
2199 	dev_info->tx_queue_offload_capa = igb_get_tx_queue_offloads_capa(dev);
2200 	dev_info->tx_offload_capa = igb_get_tx_port_offloads_capa(dev) |
2201 				    dev_info->tx_queue_offload_capa;
2202 
2203 	switch (hw->mac.type) {
2204 	case e1000_82575:
2205 		dev_info->max_rx_queues = 4;
2206 		dev_info->max_tx_queues = 4;
2207 		dev_info->max_vmdq_pools = 0;
2208 		break;
2209 
2210 	case e1000_82576:
2211 		dev_info->max_rx_queues = 16;
2212 		dev_info->max_tx_queues = 16;
2213 		dev_info->max_vmdq_pools = ETH_8_POOLS;
2214 		dev_info->vmdq_queue_num = 16;
2215 		break;
2216 
2217 	case e1000_82580:
2218 		dev_info->max_rx_queues = 8;
2219 		dev_info->max_tx_queues = 8;
2220 		dev_info->max_vmdq_pools = ETH_8_POOLS;
2221 		dev_info->vmdq_queue_num = 8;
2222 		break;
2223 
2224 	case e1000_i350:
2225 		dev_info->max_rx_queues = 8;
2226 		dev_info->max_tx_queues = 8;
2227 		dev_info->max_vmdq_pools = ETH_8_POOLS;
2228 		dev_info->vmdq_queue_num = 8;
2229 		break;
2230 
2231 	case e1000_i354:
2232 		dev_info->max_rx_queues = 8;
2233 		dev_info->max_tx_queues = 8;
2234 		break;
2235 
2236 	case e1000_i210:
2237 		dev_info->max_rx_queues = 4;
2238 		dev_info->max_tx_queues = 4;
2239 		dev_info->max_vmdq_pools = 0;
2240 		break;
2241 
2242 	case e1000_i211:
2243 		dev_info->max_rx_queues = 2;
2244 		dev_info->max_tx_queues = 2;
2245 		dev_info->max_vmdq_pools = 0;
2246 		break;
2247 
2248 	default:
2249 		/* Should not happen */
2250 		return -EINVAL;
2251 	}
2252 	dev_info->hash_key_size = IGB_HKEY_MAX_INDEX * sizeof(uint32_t);
2253 	dev_info->reta_size = ETH_RSS_RETA_SIZE_128;
2254 	dev_info->flow_type_rss_offloads = IGB_RSS_OFFLOAD_ALL;
2255 
2256 	dev_info->default_rxconf = (struct rte_eth_rxconf) {
2257 		.rx_thresh = {
2258 			.pthresh = IGB_DEFAULT_RX_PTHRESH,
2259 			.hthresh = IGB_DEFAULT_RX_HTHRESH,
2260 			.wthresh = IGB_DEFAULT_RX_WTHRESH,
2261 		},
2262 		.rx_free_thresh = IGB_DEFAULT_RX_FREE_THRESH,
2263 		.rx_drop_en = 0,
2264 		.offloads = 0,
2265 	};
2266 
2267 	dev_info->default_txconf = (struct rte_eth_txconf) {
2268 		.tx_thresh = {
2269 			.pthresh = IGB_DEFAULT_TX_PTHRESH,
2270 			.hthresh = IGB_DEFAULT_TX_HTHRESH,
2271 			.wthresh = IGB_DEFAULT_TX_WTHRESH,
2272 		},
2273 		.offloads = 0,
2274 	};
2275 
2276 	dev_info->rx_desc_lim = rx_desc_lim;
2277 	dev_info->tx_desc_lim = tx_desc_lim;
2278 
2279 	dev_info->speed_capa = ETH_LINK_SPEED_10M_HD | ETH_LINK_SPEED_10M |
2280 			ETH_LINK_SPEED_100M_HD | ETH_LINK_SPEED_100M |
2281 			ETH_LINK_SPEED_1G;
2282 
2283 	dev_info->max_mtu = dev_info->max_rx_pktlen - E1000_ETH_OVERHEAD;
2284 	dev_info->min_mtu = RTE_ETHER_MIN_MTU;
2285 
2286 	return 0;
2287 }
2288 
2289 static const uint32_t *
2290 eth_igb_supported_ptypes_get(struct rte_eth_dev *dev)
2291 {
2292 	static const uint32_t ptypes[] = {
2293 		/* refers to igb_rxd_pkt_info_to_pkt_type() */
2294 		RTE_PTYPE_L2_ETHER,
2295 		RTE_PTYPE_L3_IPV4,
2296 		RTE_PTYPE_L3_IPV4_EXT,
2297 		RTE_PTYPE_L3_IPV6,
2298 		RTE_PTYPE_L3_IPV6_EXT,
2299 		RTE_PTYPE_L4_TCP,
2300 		RTE_PTYPE_L4_UDP,
2301 		RTE_PTYPE_L4_SCTP,
2302 		RTE_PTYPE_TUNNEL_IP,
2303 		RTE_PTYPE_INNER_L3_IPV6,
2304 		RTE_PTYPE_INNER_L3_IPV6_EXT,
2305 		RTE_PTYPE_INNER_L4_TCP,
2306 		RTE_PTYPE_INNER_L4_UDP,
2307 		RTE_PTYPE_UNKNOWN
2308 	};
2309 
2310 	if (dev->rx_pkt_burst == eth_igb_recv_pkts ||
2311 	    dev->rx_pkt_burst == eth_igb_recv_scattered_pkts)
2312 		return ptypes;
2313 	return NULL;
2314 }
2315 
2316 static int
2317 eth_igbvf_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
2318 {
2319 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2320 
2321 	dev_info->min_rx_bufsize = 256; /* See BSIZE field of RCTL register. */
2322 	dev_info->max_rx_pktlen  = 0x3FFF; /* See RLPML register. */
2323 	dev_info->max_mac_addrs = hw->mac.rar_entry_count;
2324 	dev_info->tx_offload_capa = DEV_TX_OFFLOAD_VLAN_INSERT |
2325 				DEV_TX_OFFLOAD_IPV4_CKSUM  |
2326 				DEV_TX_OFFLOAD_UDP_CKSUM   |
2327 				DEV_TX_OFFLOAD_TCP_CKSUM   |
2328 				DEV_TX_OFFLOAD_SCTP_CKSUM  |
2329 				DEV_TX_OFFLOAD_TCP_TSO;
2330 	switch (hw->mac.type) {
2331 	case e1000_vfadapt:
2332 		dev_info->max_rx_queues = 2;
2333 		dev_info->max_tx_queues = 2;
2334 		break;
2335 	case e1000_vfadapt_i350:
2336 		dev_info->max_rx_queues = 1;
2337 		dev_info->max_tx_queues = 1;
2338 		break;
2339 	default:
2340 		/* Should not happen */
2341 		return -EINVAL;
2342 	}
2343 
2344 	dev_info->rx_queue_offload_capa = igb_get_rx_queue_offloads_capa(dev);
2345 	dev_info->rx_offload_capa = igb_get_rx_port_offloads_capa(dev) |
2346 				    dev_info->rx_queue_offload_capa;
2347 	dev_info->tx_queue_offload_capa = igb_get_tx_queue_offloads_capa(dev);
2348 	dev_info->tx_offload_capa = igb_get_tx_port_offloads_capa(dev) |
2349 				    dev_info->tx_queue_offload_capa;
2350 
2351 	dev_info->default_rxconf = (struct rte_eth_rxconf) {
2352 		.rx_thresh = {
2353 			.pthresh = IGB_DEFAULT_RX_PTHRESH,
2354 			.hthresh = IGB_DEFAULT_RX_HTHRESH,
2355 			.wthresh = IGB_DEFAULT_RX_WTHRESH,
2356 		},
2357 		.rx_free_thresh = IGB_DEFAULT_RX_FREE_THRESH,
2358 		.rx_drop_en = 0,
2359 		.offloads = 0,
2360 	};
2361 
2362 	dev_info->default_txconf = (struct rte_eth_txconf) {
2363 		.tx_thresh = {
2364 			.pthresh = IGB_DEFAULT_TX_PTHRESH,
2365 			.hthresh = IGB_DEFAULT_TX_HTHRESH,
2366 			.wthresh = IGB_DEFAULT_TX_WTHRESH,
2367 		},
2368 		.offloads = 0,
2369 	};
2370 
2371 	dev_info->rx_desc_lim = rx_desc_lim;
2372 	dev_info->tx_desc_lim = tx_desc_lim;
2373 
2374 	return 0;
2375 }
2376 
2377 /* return 0 means link status changed, -1 means not changed */
2378 static int
2379 eth_igb_link_update(struct rte_eth_dev *dev, int wait_to_complete)
2380 {
2381 	struct e1000_hw *hw =
2382 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2383 	struct rte_eth_link link;
2384 	int link_check, count;
2385 
2386 	link_check = 0;
2387 	hw->mac.get_link_status = 1;
2388 
2389 	/* possible wait-to-complete in up to 9 seconds */
2390 	for (count = 0; count < IGB_LINK_UPDATE_CHECK_TIMEOUT; count ++) {
2391 		/* Read the real link status */
2392 		switch (hw->phy.media_type) {
2393 		case e1000_media_type_copper:
2394 			/* Do the work to read phy */
2395 			e1000_check_for_link(hw);
2396 			link_check = !hw->mac.get_link_status;
2397 			break;
2398 
2399 		case e1000_media_type_fiber:
2400 			e1000_check_for_link(hw);
2401 			link_check = (E1000_READ_REG(hw, E1000_STATUS) &
2402 				      E1000_STATUS_LU);
2403 			break;
2404 
2405 		case e1000_media_type_internal_serdes:
2406 			e1000_check_for_link(hw);
2407 			link_check = hw->mac.serdes_has_link;
2408 			break;
2409 
2410 		/* VF device is type_unknown */
2411 		case e1000_media_type_unknown:
2412 			eth_igbvf_link_update(hw);
2413 			link_check = !hw->mac.get_link_status;
2414 			break;
2415 
2416 		default:
2417 			break;
2418 		}
2419 		if (link_check || wait_to_complete == 0)
2420 			break;
2421 		rte_delay_ms(IGB_LINK_UPDATE_CHECK_INTERVAL);
2422 	}
2423 	memset(&link, 0, sizeof(link));
2424 
2425 	/* Now we check if a transition has happened */
2426 	if (link_check) {
2427 		uint16_t duplex, speed;
2428 		hw->mac.ops.get_link_up_info(hw, &speed, &duplex);
2429 		link.link_duplex = (duplex == FULL_DUPLEX) ?
2430 				ETH_LINK_FULL_DUPLEX :
2431 				ETH_LINK_HALF_DUPLEX;
2432 		link.link_speed = speed;
2433 		link.link_status = ETH_LINK_UP;
2434 		link.link_autoneg = !(dev->data->dev_conf.link_speeds &
2435 				ETH_LINK_SPEED_FIXED);
2436 	} else if (!link_check) {
2437 		link.link_speed = 0;
2438 		link.link_duplex = ETH_LINK_HALF_DUPLEX;
2439 		link.link_status = ETH_LINK_DOWN;
2440 		link.link_autoneg = ETH_LINK_FIXED;
2441 	}
2442 
2443 	return rte_eth_linkstatus_set(dev, &link);
2444 }
2445 
2446 /*
2447  * igb_hw_control_acquire sets CTRL_EXT:DRV_LOAD bit.
2448  * For ASF and Pass Through versions of f/w this means
2449  * that the driver is loaded.
2450  */
2451 static void
2452 igb_hw_control_acquire(struct e1000_hw *hw)
2453 {
2454 	uint32_t ctrl_ext;
2455 
2456 	/* Let firmware know the driver has taken over */
2457 	ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
2458 	E1000_WRITE_REG(hw, E1000_CTRL_EXT, ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
2459 }
2460 
2461 /*
2462  * igb_hw_control_release resets CTRL_EXT:DRV_LOAD bit.
2463  * For ASF and Pass Through versions of f/w this means that the
2464  * driver is no longer loaded.
2465  */
2466 static void
2467 igb_hw_control_release(struct e1000_hw *hw)
2468 {
2469 	uint32_t ctrl_ext;
2470 
2471 	/* Let firmware taken over control of h/w */
2472 	ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
2473 	E1000_WRITE_REG(hw, E1000_CTRL_EXT,
2474 			ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
2475 }
2476 
2477 /*
2478  * Bit of a misnomer, what this really means is
2479  * to enable OS management of the system... aka
2480  * to disable special hardware management features.
2481  */
2482 static void
2483 igb_init_manageability(struct e1000_hw *hw)
2484 {
2485 	if (e1000_enable_mng_pass_thru(hw)) {
2486 		uint32_t manc2h = E1000_READ_REG(hw, E1000_MANC2H);
2487 		uint32_t manc = E1000_READ_REG(hw, E1000_MANC);
2488 
2489 		/* disable hardware interception of ARP */
2490 		manc &= ~(E1000_MANC_ARP_EN);
2491 
2492 		/* enable receiving management packets to the host */
2493 		manc |= E1000_MANC_EN_MNG2HOST;
2494 		manc2h |= 1 << 5;  /* Mng Port 623 */
2495 		manc2h |= 1 << 6;  /* Mng Port 664 */
2496 		E1000_WRITE_REG(hw, E1000_MANC2H, manc2h);
2497 		E1000_WRITE_REG(hw, E1000_MANC, manc);
2498 	}
2499 }
2500 
2501 static void
2502 igb_release_manageability(struct e1000_hw *hw)
2503 {
2504 	if (e1000_enable_mng_pass_thru(hw)) {
2505 		uint32_t manc = E1000_READ_REG(hw, E1000_MANC);
2506 
2507 		manc |= E1000_MANC_ARP_EN;
2508 		manc &= ~E1000_MANC_EN_MNG2HOST;
2509 
2510 		E1000_WRITE_REG(hw, E1000_MANC, manc);
2511 	}
2512 }
2513 
2514 static int
2515 eth_igb_promiscuous_enable(struct rte_eth_dev *dev)
2516 {
2517 	struct e1000_hw *hw =
2518 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2519 	uint32_t rctl;
2520 
2521 	rctl = E1000_READ_REG(hw, E1000_RCTL);
2522 	rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
2523 	E1000_WRITE_REG(hw, E1000_RCTL, rctl);
2524 
2525 	return 0;
2526 }
2527 
2528 static int
2529 eth_igb_promiscuous_disable(struct rte_eth_dev *dev)
2530 {
2531 	struct e1000_hw *hw =
2532 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2533 	uint32_t rctl;
2534 
2535 	rctl = E1000_READ_REG(hw, E1000_RCTL);
2536 	rctl &= (~E1000_RCTL_UPE);
2537 	if (dev->data->all_multicast == 1)
2538 		rctl |= E1000_RCTL_MPE;
2539 	else
2540 		rctl &= (~E1000_RCTL_MPE);
2541 	E1000_WRITE_REG(hw, E1000_RCTL, rctl);
2542 
2543 	return 0;
2544 }
2545 
2546 static int
2547 eth_igb_allmulticast_enable(struct rte_eth_dev *dev)
2548 {
2549 	struct e1000_hw *hw =
2550 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2551 	uint32_t rctl;
2552 
2553 	rctl = E1000_READ_REG(hw, E1000_RCTL);
2554 	rctl |= E1000_RCTL_MPE;
2555 	E1000_WRITE_REG(hw, E1000_RCTL, rctl);
2556 
2557 	return 0;
2558 }
2559 
2560 static int
2561 eth_igb_allmulticast_disable(struct rte_eth_dev *dev)
2562 {
2563 	struct e1000_hw *hw =
2564 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2565 	uint32_t rctl;
2566 
2567 	if (dev->data->promiscuous == 1)
2568 		return 0; /* must remain in all_multicast mode */
2569 	rctl = E1000_READ_REG(hw, E1000_RCTL);
2570 	rctl &= (~E1000_RCTL_MPE);
2571 	E1000_WRITE_REG(hw, E1000_RCTL, rctl);
2572 
2573 	return 0;
2574 }
2575 
2576 static int
2577 eth_igb_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
2578 {
2579 	struct e1000_hw *hw =
2580 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2581 	struct e1000_vfta * shadow_vfta =
2582 		E1000_DEV_PRIVATE_TO_VFTA(dev->data->dev_private);
2583 	uint32_t vfta;
2584 	uint32_t vid_idx;
2585 	uint32_t vid_bit;
2586 
2587 	vid_idx = (uint32_t) ((vlan_id >> E1000_VFTA_ENTRY_SHIFT) &
2588 			      E1000_VFTA_ENTRY_MASK);
2589 	vid_bit = (uint32_t) (1 << (vlan_id & E1000_VFTA_ENTRY_BIT_SHIFT_MASK));
2590 	vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, vid_idx);
2591 	if (on)
2592 		vfta |= vid_bit;
2593 	else
2594 		vfta &= ~vid_bit;
2595 	E1000_WRITE_REG_ARRAY(hw, E1000_VFTA, vid_idx, vfta);
2596 
2597 	/* update local VFTA copy */
2598 	shadow_vfta->vfta[vid_idx] = vfta;
2599 
2600 	return 0;
2601 }
2602 
2603 static int
2604 eth_igb_vlan_tpid_set(struct rte_eth_dev *dev,
2605 		      enum rte_vlan_type vlan_type,
2606 		      uint16_t tpid)
2607 {
2608 	struct e1000_hw *hw =
2609 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2610 	uint32_t reg, qinq;
2611 
2612 	qinq = E1000_READ_REG(hw, E1000_CTRL_EXT);
2613 	qinq &= E1000_CTRL_EXT_EXT_VLAN;
2614 
2615 	/* only outer TPID of double VLAN can be configured*/
2616 	if (qinq && vlan_type == ETH_VLAN_TYPE_OUTER) {
2617 		reg = E1000_READ_REG(hw, E1000_VET);
2618 		reg = (reg & (~E1000_VET_VET_EXT)) |
2619 			((uint32_t)tpid << E1000_VET_VET_EXT_SHIFT);
2620 		E1000_WRITE_REG(hw, E1000_VET, reg);
2621 
2622 		return 0;
2623 	}
2624 
2625 	/* all other TPID values are read-only*/
2626 	PMD_DRV_LOG(ERR, "Not supported");
2627 
2628 	return -ENOTSUP;
2629 }
2630 
2631 static void
2632 igb_vlan_hw_filter_disable(struct rte_eth_dev *dev)
2633 {
2634 	struct e1000_hw *hw =
2635 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2636 	uint32_t reg;
2637 
2638 	/* Filter Table Disable */
2639 	reg = E1000_READ_REG(hw, E1000_RCTL);
2640 	reg &= ~E1000_RCTL_CFIEN;
2641 	reg &= ~E1000_RCTL_VFE;
2642 	E1000_WRITE_REG(hw, E1000_RCTL, reg);
2643 }
2644 
2645 static void
2646 igb_vlan_hw_filter_enable(struct rte_eth_dev *dev)
2647 {
2648 	struct e1000_hw *hw =
2649 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2650 	struct e1000_vfta * shadow_vfta =
2651 		E1000_DEV_PRIVATE_TO_VFTA(dev->data->dev_private);
2652 	uint32_t reg;
2653 	int i;
2654 
2655 	/* Filter Table Enable, CFI not used for packet acceptance */
2656 	reg = E1000_READ_REG(hw, E1000_RCTL);
2657 	reg &= ~E1000_RCTL_CFIEN;
2658 	reg |= E1000_RCTL_VFE;
2659 	E1000_WRITE_REG(hw, E1000_RCTL, reg);
2660 
2661 	/* restore VFTA table */
2662 	for (i = 0; i < IGB_VFTA_SIZE; i++)
2663 		E1000_WRITE_REG_ARRAY(hw, E1000_VFTA, i, shadow_vfta->vfta[i]);
2664 }
2665 
2666 static void
2667 igb_vlan_hw_strip_disable(struct rte_eth_dev *dev)
2668 {
2669 	struct e1000_hw *hw =
2670 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2671 	uint32_t reg;
2672 
2673 	/* VLAN Mode Disable */
2674 	reg = E1000_READ_REG(hw, E1000_CTRL);
2675 	reg &= ~E1000_CTRL_VME;
2676 	E1000_WRITE_REG(hw, E1000_CTRL, reg);
2677 }
2678 
2679 static void
2680 igb_vlan_hw_strip_enable(struct rte_eth_dev *dev)
2681 {
2682 	struct e1000_hw *hw =
2683 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2684 	uint32_t reg;
2685 
2686 	/* VLAN Mode Enable */
2687 	reg = E1000_READ_REG(hw, E1000_CTRL);
2688 	reg |= E1000_CTRL_VME;
2689 	E1000_WRITE_REG(hw, E1000_CTRL, reg);
2690 }
2691 
2692 static void
2693 igb_vlan_hw_extend_disable(struct rte_eth_dev *dev)
2694 {
2695 	struct e1000_hw *hw =
2696 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2697 	uint32_t reg;
2698 
2699 	/* CTRL_EXT: Extended VLAN */
2700 	reg = E1000_READ_REG(hw, E1000_CTRL_EXT);
2701 	reg &= ~E1000_CTRL_EXT_EXTEND_VLAN;
2702 	E1000_WRITE_REG(hw, E1000_CTRL_EXT, reg);
2703 
2704 	/* Update maximum packet length */
2705 	if (dev->data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME)
2706 		E1000_WRITE_REG(hw, E1000_RLPML,
2707 			dev->data->dev_conf.rxmode.max_rx_pkt_len +
2708 						VLAN_TAG_SIZE);
2709 }
2710 
2711 static void
2712 igb_vlan_hw_extend_enable(struct rte_eth_dev *dev)
2713 {
2714 	struct e1000_hw *hw =
2715 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2716 	uint32_t reg;
2717 
2718 	/* CTRL_EXT: Extended VLAN */
2719 	reg = E1000_READ_REG(hw, E1000_CTRL_EXT);
2720 	reg |= E1000_CTRL_EXT_EXTEND_VLAN;
2721 	E1000_WRITE_REG(hw, E1000_CTRL_EXT, reg);
2722 
2723 	/* Update maximum packet length */
2724 	if (dev->data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME)
2725 		E1000_WRITE_REG(hw, E1000_RLPML,
2726 			dev->data->dev_conf.rxmode.max_rx_pkt_len +
2727 						2 * VLAN_TAG_SIZE);
2728 }
2729 
2730 static int
2731 eth_igb_vlan_offload_set(struct rte_eth_dev *dev, int mask)
2732 {
2733 	struct rte_eth_rxmode *rxmode;
2734 
2735 	rxmode = &dev->data->dev_conf.rxmode;
2736 	if(mask & ETH_VLAN_STRIP_MASK){
2737 		if (rxmode->offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
2738 			igb_vlan_hw_strip_enable(dev);
2739 		else
2740 			igb_vlan_hw_strip_disable(dev);
2741 	}
2742 
2743 	if(mask & ETH_VLAN_FILTER_MASK){
2744 		if (rxmode->offloads & DEV_RX_OFFLOAD_VLAN_FILTER)
2745 			igb_vlan_hw_filter_enable(dev);
2746 		else
2747 			igb_vlan_hw_filter_disable(dev);
2748 	}
2749 
2750 	if(mask & ETH_VLAN_EXTEND_MASK){
2751 		if (rxmode->offloads & DEV_RX_OFFLOAD_VLAN_EXTEND)
2752 			igb_vlan_hw_extend_enable(dev);
2753 		else
2754 			igb_vlan_hw_extend_disable(dev);
2755 	}
2756 
2757 	return 0;
2758 }
2759 
2760 
2761 /**
2762  * It enables the interrupt mask and then enable the interrupt.
2763  *
2764  * @param dev
2765  *  Pointer to struct rte_eth_dev.
2766  * @param on
2767  *  Enable or Disable
2768  *
2769  * @return
2770  *  - On success, zero.
2771  *  - On failure, a negative value.
2772  */
2773 static int
2774 eth_igb_lsc_interrupt_setup(struct rte_eth_dev *dev, uint8_t on)
2775 {
2776 	struct e1000_interrupt *intr =
2777 		E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
2778 
2779 	if (on)
2780 		intr->mask |= E1000_ICR_LSC;
2781 	else
2782 		intr->mask &= ~E1000_ICR_LSC;
2783 
2784 	return 0;
2785 }
2786 
2787 /* It clears the interrupt causes and enables the interrupt.
2788  * It will be called once only during nic initialized.
2789  *
2790  * @param dev
2791  *  Pointer to struct rte_eth_dev.
2792  *
2793  * @return
2794  *  - On success, zero.
2795  *  - On failure, a negative value.
2796  */
2797 static int eth_igb_rxq_interrupt_setup(struct rte_eth_dev *dev)
2798 {
2799 	uint32_t mask, regval;
2800 	int ret;
2801 	struct e1000_hw *hw =
2802 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2803 	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
2804 	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
2805 	int misc_shift = rte_intr_allow_others(intr_handle) ? 1 : 0;
2806 	struct rte_eth_dev_info dev_info;
2807 
2808 	memset(&dev_info, 0, sizeof(dev_info));
2809 	ret = eth_igb_infos_get(dev, &dev_info);
2810 	if (ret != 0)
2811 		return ret;
2812 
2813 	mask = (0xFFFFFFFF >> (32 - dev_info.max_rx_queues)) << misc_shift;
2814 	regval = E1000_READ_REG(hw, E1000_EIMS);
2815 	E1000_WRITE_REG(hw, E1000_EIMS, regval | mask);
2816 
2817 	return 0;
2818 }
2819 
2820 /*
2821  * It reads ICR and gets interrupt causes, check it and set a bit flag
2822  * to update link status.
2823  *
2824  * @param dev
2825  *  Pointer to struct rte_eth_dev.
2826  *
2827  * @return
2828  *  - On success, zero.
2829  *  - On failure, a negative value.
2830  */
2831 static int
2832 eth_igb_interrupt_get_status(struct rte_eth_dev *dev)
2833 {
2834 	uint32_t icr;
2835 	struct e1000_hw *hw =
2836 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2837 	struct e1000_interrupt *intr =
2838 		E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
2839 
2840 	igb_intr_disable(dev);
2841 
2842 	/* read-on-clear nic registers here */
2843 	icr = E1000_READ_REG(hw, E1000_ICR);
2844 
2845 	intr->flags = 0;
2846 	if (icr & E1000_ICR_LSC) {
2847 		intr->flags |= E1000_FLAG_NEED_LINK_UPDATE;
2848 	}
2849 
2850 	if (icr & E1000_ICR_VMMB)
2851 		intr->flags |= E1000_FLAG_MAILBOX;
2852 
2853 	return 0;
2854 }
2855 
2856 /*
2857  * It executes link_update after knowing an interrupt is prsent.
2858  *
2859  * @param dev
2860  *  Pointer to struct rte_eth_dev.
2861  *
2862  * @return
2863  *  - On success, zero.
2864  *  - On failure, a negative value.
2865  */
2866 static int
2867 eth_igb_interrupt_action(struct rte_eth_dev *dev,
2868 			 struct rte_intr_handle *intr_handle)
2869 {
2870 	struct e1000_hw *hw =
2871 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2872 	struct e1000_interrupt *intr =
2873 		E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
2874 	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
2875 	struct rte_eth_link link;
2876 	int ret;
2877 
2878 	if (intr->flags & E1000_FLAG_MAILBOX) {
2879 		igb_pf_mbx_process(dev);
2880 		intr->flags &= ~E1000_FLAG_MAILBOX;
2881 	}
2882 
2883 	igb_intr_enable(dev);
2884 	rte_intr_ack(intr_handle);
2885 
2886 	if (intr->flags & E1000_FLAG_NEED_LINK_UPDATE) {
2887 		intr->flags &= ~E1000_FLAG_NEED_LINK_UPDATE;
2888 
2889 		/* set get_link_status to check register later */
2890 		hw->mac.get_link_status = 1;
2891 		ret = eth_igb_link_update(dev, 0);
2892 
2893 		/* check if link has changed */
2894 		if (ret < 0)
2895 			return 0;
2896 
2897 		rte_eth_linkstatus_get(dev, &link);
2898 		if (link.link_status) {
2899 			PMD_INIT_LOG(INFO,
2900 				     " Port %d: Link Up - speed %u Mbps - %s",
2901 				     dev->data->port_id,
2902 				     (unsigned)link.link_speed,
2903 				     link.link_duplex == ETH_LINK_FULL_DUPLEX ?
2904 				     "full-duplex" : "half-duplex");
2905 		} else {
2906 			PMD_INIT_LOG(INFO, " Port %d: Link Down",
2907 				     dev->data->port_id);
2908 		}
2909 
2910 		PMD_INIT_LOG(DEBUG, "PCI Address: %04d:%02d:%02d:%d",
2911 			     pci_dev->addr.domain,
2912 			     pci_dev->addr.bus,
2913 			     pci_dev->addr.devid,
2914 			     pci_dev->addr.function);
2915 		_rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC,
2916 					      NULL);
2917 	}
2918 
2919 	return 0;
2920 }
2921 
2922 /**
2923  * Interrupt handler which shall be registered at first.
2924  *
2925  * @param handle
2926  *  Pointer to interrupt handle.
2927  * @param param
2928  *  The address of parameter (struct rte_eth_dev *) regsitered before.
2929  *
2930  * @return
2931  *  void
2932  */
2933 static void
2934 eth_igb_interrupt_handler(void *param)
2935 {
2936 	struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
2937 
2938 	eth_igb_interrupt_get_status(dev);
2939 	eth_igb_interrupt_action(dev, dev->intr_handle);
2940 }
2941 
2942 static int
2943 eth_igbvf_interrupt_get_status(struct rte_eth_dev *dev)
2944 {
2945 	uint32_t eicr;
2946 	struct e1000_hw *hw =
2947 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2948 	struct e1000_interrupt *intr =
2949 		E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
2950 
2951 	igbvf_intr_disable(hw);
2952 
2953 	/* read-on-clear nic registers here */
2954 	eicr = E1000_READ_REG(hw, E1000_EICR);
2955 	intr->flags = 0;
2956 
2957 	if (eicr == E1000_VTIVAR_MISC_MAILBOX)
2958 		intr->flags |= E1000_FLAG_MAILBOX;
2959 
2960 	return 0;
2961 }
2962 
2963 void igbvf_mbx_process(struct rte_eth_dev *dev)
2964 {
2965 	struct e1000_hw *hw =
2966 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2967 	struct e1000_mbx_info *mbx = &hw->mbx;
2968 	u32 in_msg = 0;
2969 
2970 	/* peek the message first */
2971 	in_msg = E1000_READ_REG(hw, E1000_VMBMEM(0));
2972 
2973 	/* PF reset VF event */
2974 	if (in_msg == E1000_PF_CONTROL_MSG) {
2975 		/* dummy mbx read to ack pf */
2976 		if (mbx->ops.read(hw, &in_msg, 1, 0))
2977 			return;
2978 		_rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_RESET,
2979 					      NULL);
2980 	}
2981 }
2982 
2983 static int
2984 eth_igbvf_interrupt_action(struct rte_eth_dev *dev, struct rte_intr_handle *intr_handle)
2985 {
2986 	struct e1000_interrupt *intr =
2987 		E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
2988 
2989 	if (intr->flags & E1000_FLAG_MAILBOX) {
2990 		igbvf_mbx_process(dev);
2991 		intr->flags &= ~E1000_FLAG_MAILBOX;
2992 	}
2993 
2994 	igbvf_intr_enable(dev);
2995 	rte_intr_ack(intr_handle);
2996 
2997 	return 0;
2998 }
2999 
3000 static void
3001 eth_igbvf_interrupt_handler(void *param)
3002 {
3003 	struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
3004 
3005 	eth_igbvf_interrupt_get_status(dev);
3006 	eth_igbvf_interrupt_action(dev, dev->intr_handle);
3007 }
3008 
3009 static int
3010 eth_igb_led_on(struct rte_eth_dev *dev)
3011 {
3012 	struct e1000_hw *hw;
3013 
3014 	hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3015 	return e1000_led_on(hw) == E1000_SUCCESS ? 0 : -ENOTSUP;
3016 }
3017 
3018 static int
3019 eth_igb_led_off(struct rte_eth_dev *dev)
3020 {
3021 	struct e1000_hw *hw;
3022 
3023 	hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3024 	return e1000_led_off(hw) == E1000_SUCCESS ? 0 : -ENOTSUP;
3025 }
3026 
3027 static int
3028 eth_igb_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
3029 {
3030 	struct e1000_hw *hw;
3031 	uint32_t ctrl;
3032 	int tx_pause;
3033 	int rx_pause;
3034 
3035 	hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3036 	fc_conf->pause_time = hw->fc.pause_time;
3037 	fc_conf->high_water = hw->fc.high_water;
3038 	fc_conf->low_water = hw->fc.low_water;
3039 	fc_conf->send_xon = hw->fc.send_xon;
3040 	fc_conf->autoneg = hw->mac.autoneg;
3041 
3042 	/*
3043 	 * Return rx_pause and tx_pause status according to actual setting of
3044 	 * the TFCE and RFCE bits in the CTRL register.
3045 	 */
3046 	ctrl = E1000_READ_REG(hw, E1000_CTRL);
3047 	if (ctrl & E1000_CTRL_TFCE)
3048 		tx_pause = 1;
3049 	else
3050 		tx_pause = 0;
3051 
3052 	if (ctrl & E1000_CTRL_RFCE)
3053 		rx_pause = 1;
3054 	else
3055 		rx_pause = 0;
3056 
3057 	if (rx_pause && tx_pause)
3058 		fc_conf->mode = RTE_FC_FULL;
3059 	else if (rx_pause)
3060 		fc_conf->mode = RTE_FC_RX_PAUSE;
3061 	else if (tx_pause)
3062 		fc_conf->mode = RTE_FC_TX_PAUSE;
3063 	else
3064 		fc_conf->mode = RTE_FC_NONE;
3065 
3066 	return 0;
3067 }
3068 
3069 static int
3070 eth_igb_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
3071 {
3072 	struct e1000_hw *hw;
3073 	int err;
3074 	enum e1000_fc_mode rte_fcmode_2_e1000_fcmode[] = {
3075 		e1000_fc_none,
3076 		e1000_fc_rx_pause,
3077 		e1000_fc_tx_pause,
3078 		e1000_fc_full
3079 	};
3080 	uint32_t rx_buf_size;
3081 	uint32_t max_high_water;
3082 	uint32_t rctl;
3083 
3084 	hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3085 	if (fc_conf->autoneg != hw->mac.autoneg)
3086 		return -ENOTSUP;
3087 	rx_buf_size = igb_get_rx_buffer_size(hw);
3088 	PMD_INIT_LOG(DEBUG, "Rx packet buffer size = 0x%x", rx_buf_size);
3089 
3090 	/* At least reserve one Ethernet frame for watermark */
3091 	max_high_water = rx_buf_size - RTE_ETHER_MAX_LEN;
3092 	if ((fc_conf->high_water > max_high_water) ||
3093 	    (fc_conf->high_water < fc_conf->low_water)) {
3094 		PMD_INIT_LOG(ERR, "e1000 incorrect high/low water value");
3095 		PMD_INIT_LOG(ERR, "high water must <=  0x%x", max_high_water);
3096 		return -EINVAL;
3097 	}
3098 
3099 	hw->fc.requested_mode = rte_fcmode_2_e1000_fcmode[fc_conf->mode];
3100 	hw->fc.pause_time     = fc_conf->pause_time;
3101 	hw->fc.high_water     = fc_conf->high_water;
3102 	hw->fc.low_water      = fc_conf->low_water;
3103 	hw->fc.send_xon	      = fc_conf->send_xon;
3104 
3105 	err = e1000_setup_link_generic(hw);
3106 	if (err == E1000_SUCCESS) {
3107 
3108 		/* check if we want to forward MAC frames - driver doesn't have native
3109 		 * capability to do that, so we'll write the registers ourselves */
3110 
3111 		rctl = E1000_READ_REG(hw, E1000_RCTL);
3112 
3113 		/* set or clear MFLCN.PMCF bit depending on configuration */
3114 		if (fc_conf->mac_ctrl_frame_fwd != 0)
3115 			rctl |= E1000_RCTL_PMCF;
3116 		else
3117 			rctl &= ~E1000_RCTL_PMCF;
3118 
3119 		E1000_WRITE_REG(hw, E1000_RCTL, rctl);
3120 		E1000_WRITE_FLUSH(hw);
3121 
3122 		return 0;
3123 	}
3124 
3125 	PMD_INIT_LOG(ERR, "e1000_setup_link_generic = 0x%x", err);
3126 	return -EIO;
3127 }
3128 
3129 #define E1000_RAH_POOLSEL_SHIFT      (18)
3130 static int
3131 eth_igb_rar_set(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr,
3132 		uint32_t index, uint32_t pool)
3133 {
3134 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3135 	uint32_t rah;
3136 
3137 	e1000_rar_set(hw, mac_addr->addr_bytes, index);
3138 	rah = E1000_READ_REG(hw, E1000_RAH(index));
3139 	rah |= (0x1 << (E1000_RAH_POOLSEL_SHIFT + pool));
3140 	E1000_WRITE_REG(hw, E1000_RAH(index), rah);
3141 	return 0;
3142 }
3143 
3144 static void
3145 eth_igb_rar_clear(struct rte_eth_dev *dev, uint32_t index)
3146 {
3147 	uint8_t addr[RTE_ETHER_ADDR_LEN];
3148 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3149 
3150 	memset(addr, 0, sizeof(addr));
3151 
3152 	e1000_rar_set(hw, addr, index);
3153 }
3154 
3155 static int
3156 eth_igb_default_mac_addr_set(struct rte_eth_dev *dev,
3157 				struct rte_ether_addr *addr)
3158 {
3159 	eth_igb_rar_clear(dev, 0);
3160 	eth_igb_rar_set(dev, (void *)addr, 0, 0);
3161 
3162 	return 0;
3163 }
3164 /*
3165  * Virtual Function operations
3166  */
3167 static void
3168 igbvf_intr_disable(struct e1000_hw *hw)
3169 {
3170 	PMD_INIT_FUNC_TRACE();
3171 
3172 	/* Clear interrupt mask to stop from interrupts being generated */
3173 	E1000_WRITE_REG(hw, E1000_EIMC, 0xFFFF);
3174 
3175 	E1000_WRITE_FLUSH(hw);
3176 }
3177 
3178 static void
3179 igbvf_stop_adapter(struct rte_eth_dev *dev)
3180 {
3181 	u32 reg_val;
3182 	u16 i;
3183 	struct rte_eth_dev_info dev_info;
3184 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3185 	int ret;
3186 
3187 	memset(&dev_info, 0, sizeof(dev_info));
3188 	ret = eth_igbvf_infos_get(dev, &dev_info);
3189 	if (ret != 0)
3190 		return;
3191 
3192 	/* Clear interrupt mask to stop from interrupts being generated */
3193 	igbvf_intr_disable(hw);
3194 
3195 	/* Clear any pending interrupts, flush previous writes */
3196 	E1000_READ_REG(hw, E1000_EICR);
3197 
3198 	/* Disable the transmit unit.  Each queue must be disabled. */
3199 	for (i = 0; i < dev_info.max_tx_queues; i++)
3200 		E1000_WRITE_REG(hw, E1000_TXDCTL(i), E1000_TXDCTL_SWFLSH);
3201 
3202 	/* Disable the receive unit by stopping each queue */
3203 	for (i = 0; i < dev_info.max_rx_queues; i++) {
3204 		reg_val = E1000_READ_REG(hw, E1000_RXDCTL(i));
3205 		reg_val &= ~E1000_RXDCTL_QUEUE_ENABLE;
3206 		E1000_WRITE_REG(hw, E1000_RXDCTL(i), reg_val);
3207 		while (E1000_READ_REG(hw, E1000_RXDCTL(i)) & E1000_RXDCTL_QUEUE_ENABLE)
3208 			;
3209 	}
3210 
3211 	/* flush all queues disables */
3212 	E1000_WRITE_FLUSH(hw);
3213 	msec_delay(2);
3214 }
3215 
3216 static int eth_igbvf_link_update(struct e1000_hw *hw)
3217 {
3218 	struct e1000_mbx_info *mbx = &hw->mbx;
3219 	struct e1000_mac_info *mac = &hw->mac;
3220 	int ret_val = E1000_SUCCESS;
3221 
3222 	PMD_INIT_LOG(DEBUG, "e1000_check_for_link_vf");
3223 
3224 	/*
3225 	 * We only want to run this if there has been a rst asserted.
3226 	 * in this case that could mean a link change, device reset,
3227 	 * or a virtual function reset
3228 	 */
3229 
3230 	/* If we were hit with a reset or timeout drop the link */
3231 	if (!e1000_check_for_rst(hw, 0) || !mbx->timeout)
3232 		mac->get_link_status = TRUE;
3233 
3234 	if (!mac->get_link_status)
3235 		goto out;
3236 
3237 	/* if link status is down no point in checking to see if pf is up */
3238 	if (!(E1000_READ_REG(hw, E1000_STATUS) & E1000_STATUS_LU))
3239 		goto out;
3240 
3241 	/* if we passed all the tests above then the link is up and we no
3242 	 * longer need to check for link */
3243 	mac->get_link_status = FALSE;
3244 
3245 out:
3246 	return ret_val;
3247 }
3248 
3249 
3250 static int
3251 igbvf_dev_configure(struct rte_eth_dev *dev)
3252 {
3253 	struct rte_eth_conf* conf = &dev->data->dev_conf;
3254 
3255 	PMD_INIT_LOG(DEBUG, "Configured Virtual Function port id: %d",
3256 		     dev->data->port_id);
3257 
3258 	/*
3259 	 * VF has no ability to enable/disable HW CRC
3260 	 * Keep the persistent behavior the same as Host PF
3261 	 */
3262 #ifndef RTE_LIBRTE_E1000_PF_DISABLE_STRIP_CRC
3263 	if (conf->rxmode.offloads & DEV_RX_OFFLOAD_KEEP_CRC) {
3264 		PMD_INIT_LOG(NOTICE, "VF can't disable HW CRC Strip");
3265 		conf->rxmode.offloads &= ~DEV_RX_OFFLOAD_KEEP_CRC;
3266 	}
3267 #else
3268 	if (!(conf->rxmode.offloads & DEV_RX_OFFLOAD_KEEP_CRC)) {
3269 		PMD_INIT_LOG(NOTICE, "VF can't enable HW CRC Strip");
3270 		conf->rxmode.offloads |= DEV_RX_OFFLOAD_KEEP_CRC;
3271 	}
3272 #endif
3273 
3274 	return 0;
3275 }
3276 
3277 static int
3278 igbvf_dev_start(struct rte_eth_dev *dev)
3279 {
3280 	struct e1000_hw *hw =
3281 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3282 	struct e1000_adapter *adapter =
3283 		E1000_DEV_PRIVATE(dev->data->dev_private);
3284 	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
3285 	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
3286 	int ret;
3287 	uint32_t intr_vector = 0;
3288 
3289 	PMD_INIT_FUNC_TRACE();
3290 
3291 	hw->mac.ops.reset_hw(hw);
3292 	adapter->stopped = 0;
3293 
3294 	/* Set all vfta */
3295 	igbvf_set_vfta_all(dev,1);
3296 
3297 	eth_igbvf_tx_init(dev);
3298 
3299 	/* This can fail when allocating mbufs for descriptor rings */
3300 	ret = eth_igbvf_rx_init(dev);
3301 	if (ret) {
3302 		PMD_INIT_LOG(ERR, "Unable to initialize RX hardware");
3303 		igb_dev_clear_queues(dev);
3304 		return ret;
3305 	}
3306 
3307 	/* check and configure queue intr-vector mapping */
3308 	if (rte_intr_cap_multiple(intr_handle) &&
3309 	    dev->data->dev_conf.intr_conf.rxq) {
3310 		intr_vector = dev->data->nb_rx_queues;
3311 		ret = rte_intr_efd_enable(intr_handle, intr_vector);
3312 		if (ret)
3313 			return ret;
3314 	}
3315 
3316 	if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) {
3317 		intr_handle->intr_vec =
3318 			rte_zmalloc("intr_vec",
3319 				    dev->data->nb_rx_queues * sizeof(int), 0);
3320 		if (!intr_handle->intr_vec) {
3321 			PMD_INIT_LOG(ERR, "Failed to allocate %d rx_queues"
3322 				     " intr_vec", dev->data->nb_rx_queues);
3323 			return -ENOMEM;
3324 		}
3325 	}
3326 
3327 	eth_igbvf_configure_msix_intr(dev);
3328 
3329 	/* enable uio/vfio intr/eventfd mapping */
3330 	rte_intr_enable(intr_handle);
3331 
3332 	/* resume enabled intr since hw reset */
3333 	igbvf_intr_enable(dev);
3334 
3335 	return 0;
3336 }
3337 
3338 static void
3339 igbvf_dev_stop(struct rte_eth_dev *dev)
3340 {
3341 	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
3342 	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
3343 	struct e1000_adapter *adapter =
3344 		E1000_DEV_PRIVATE(dev->data->dev_private);
3345 
3346 	if (adapter->stopped)
3347 		return;
3348 
3349 	PMD_INIT_FUNC_TRACE();
3350 
3351 	igbvf_stop_adapter(dev);
3352 
3353 	/*
3354 	  * Clear what we set, but we still keep shadow_vfta to
3355 	  * restore after device starts
3356 	  */
3357 	igbvf_set_vfta_all(dev,0);
3358 
3359 	igb_dev_clear_queues(dev);
3360 
3361 	/* disable intr eventfd mapping */
3362 	rte_intr_disable(intr_handle);
3363 
3364 	/* Clean datapath event and queue/vec mapping */
3365 	rte_intr_efd_disable(intr_handle);
3366 	if (intr_handle->intr_vec) {
3367 		rte_free(intr_handle->intr_vec);
3368 		intr_handle->intr_vec = NULL;
3369 	}
3370 
3371 	adapter->stopped = true;
3372 }
3373 
3374 static void
3375 igbvf_dev_close(struct rte_eth_dev *dev)
3376 {
3377 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3378 	struct rte_ether_addr addr;
3379 	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
3380 
3381 	PMD_INIT_FUNC_TRACE();
3382 
3383 	e1000_reset_hw(hw);
3384 
3385 	igbvf_dev_stop(dev);
3386 
3387 	igb_dev_free_queues(dev);
3388 
3389 	/**
3390 	 * reprogram the RAR with a zero mac address,
3391 	 * to ensure that the VF traffic goes to the PF
3392 	 * after stop, close and detach of the VF.
3393 	 **/
3394 
3395 	memset(&addr, 0, sizeof(addr));
3396 	igbvf_default_mac_addr_set(dev, &addr);
3397 
3398 	dev->dev_ops = NULL;
3399 	dev->rx_pkt_burst = NULL;
3400 	dev->tx_pkt_burst = NULL;
3401 
3402 	rte_intr_callback_unregister(&pci_dev->intr_handle,
3403 				     eth_igbvf_interrupt_handler,
3404 				     (void *)dev);
3405 }
3406 
3407 static int
3408 igbvf_promiscuous_enable(struct rte_eth_dev *dev)
3409 {
3410 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3411 
3412 	/* Set both unicast and multicast promisc */
3413 	e1000_promisc_set_vf(hw, e1000_promisc_enabled);
3414 
3415 	return 0;
3416 }
3417 
3418 static int
3419 igbvf_promiscuous_disable(struct rte_eth_dev *dev)
3420 {
3421 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3422 
3423 	/* If in allmulticast mode leave multicast promisc */
3424 	if (dev->data->all_multicast == 1)
3425 		e1000_promisc_set_vf(hw, e1000_promisc_multicast);
3426 	else
3427 		e1000_promisc_set_vf(hw, e1000_promisc_disabled);
3428 
3429 	return 0;
3430 }
3431 
3432 static int
3433 igbvf_allmulticast_enable(struct rte_eth_dev *dev)
3434 {
3435 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3436 
3437 	/* In promiscuous mode multicast promisc already set */
3438 	if (dev->data->promiscuous == 0)
3439 		e1000_promisc_set_vf(hw, e1000_promisc_multicast);
3440 
3441 	return 0;
3442 }
3443 
3444 static int
3445 igbvf_allmulticast_disable(struct rte_eth_dev *dev)
3446 {
3447 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3448 
3449 	/* In promiscuous mode leave multicast promisc enabled */
3450 	if (dev->data->promiscuous == 0)
3451 		e1000_promisc_set_vf(hw, e1000_promisc_disabled);
3452 
3453 	return 0;
3454 }
3455 
3456 static int igbvf_set_vfta(struct e1000_hw *hw, uint16_t vid, bool on)
3457 {
3458 	struct e1000_mbx_info *mbx = &hw->mbx;
3459 	uint32_t msgbuf[2];
3460 	s32 err;
3461 
3462 	/* After set vlan, vlan strip will also be enabled in igb driver*/
3463 	msgbuf[0] = E1000_VF_SET_VLAN;
3464 	msgbuf[1] = vid;
3465 	/* Setting the 8 bit field MSG INFO to TRUE indicates "add" */
3466 	if (on)
3467 		msgbuf[0] |= E1000_VF_SET_VLAN_ADD;
3468 
3469 	err = mbx->ops.write_posted(hw, msgbuf, 2, 0);
3470 	if (err)
3471 		goto mbx_err;
3472 
3473 	err = mbx->ops.read_posted(hw, msgbuf, 2, 0);
3474 	if (err)
3475 		goto mbx_err;
3476 
3477 	msgbuf[0] &= ~E1000_VT_MSGTYPE_CTS;
3478 	if (msgbuf[0] == (E1000_VF_SET_VLAN | E1000_VT_MSGTYPE_NACK))
3479 		err = -EINVAL;
3480 
3481 mbx_err:
3482 	return err;
3483 }
3484 
3485 static void igbvf_set_vfta_all(struct rte_eth_dev *dev, bool on)
3486 {
3487 	struct e1000_hw *hw =
3488 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3489 	struct e1000_vfta * shadow_vfta =
3490 		E1000_DEV_PRIVATE_TO_VFTA(dev->data->dev_private);
3491 	int i = 0, j = 0, vfta = 0, mask = 1;
3492 
3493 	for (i = 0; i < IGB_VFTA_SIZE; i++){
3494 		vfta = shadow_vfta->vfta[i];
3495 		if(vfta){
3496 			mask = 1;
3497 			for (j = 0; j < 32; j++){
3498 				if(vfta & mask)
3499 					igbvf_set_vfta(hw,
3500 						(uint16_t)((i<<5)+j), on);
3501 				mask<<=1;
3502 			}
3503 		}
3504 	}
3505 
3506 }
3507 
3508 static int
3509 igbvf_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
3510 {
3511 	struct e1000_hw *hw =
3512 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3513 	struct e1000_vfta * shadow_vfta =
3514 		E1000_DEV_PRIVATE_TO_VFTA(dev->data->dev_private);
3515 	uint32_t vid_idx = 0;
3516 	uint32_t vid_bit = 0;
3517 	int ret = 0;
3518 
3519 	PMD_INIT_FUNC_TRACE();
3520 
3521 	/*vind is not used in VF driver, set to 0, check ixgbe_set_vfta_vf*/
3522 	ret = igbvf_set_vfta(hw, vlan_id, !!on);
3523 	if(ret){
3524 		PMD_INIT_LOG(ERR, "Unable to set VF vlan");
3525 		return ret;
3526 	}
3527 	vid_idx = (uint32_t) ((vlan_id >> 5) & 0x7F);
3528 	vid_bit = (uint32_t) (1 << (vlan_id & 0x1F));
3529 
3530 	/*Save what we set and retore it after device reset*/
3531 	if (on)
3532 		shadow_vfta->vfta[vid_idx] |= vid_bit;
3533 	else
3534 		shadow_vfta->vfta[vid_idx] &= ~vid_bit;
3535 
3536 	return 0;
3537 }
3538 
3539 static int
3540 igbvf_default_mac_addr_set(struct rte_eth_dev *dev, struct rte_ether_addr *addr)
3541 {
3542 	struct e1000_hw *hw =
3543 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3544 
3545 	/* index is not used by rar_set() */
3546 	hw->mac.ops.rar_set(hw, (void *)addr, 0);
3547 	return 0;
3548 }
3549 
3550 
3551 static int
3552 eth_igb_rss_reta_update(struct rte_eth_dev *dev,
3553 			struct rte_eth_rss_reta_entry64 *reta_conf,
3554 			uint16_t reta_size)
3555 {
3556 	uint8_t i, j, mask;
3557 	uint32_t reta, r;
3558 	uint16_t idx, shift;
3559 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3560 
3561 	if (reta_size != ETH_RSS_RETA_SIZE_128) {
3562 		PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
3563 			"(%d) doesn't match the number hardware can supported "
3564 			"(%d)", reta_size, ETH_RSS_RETA_SIZE_128);
3565 		return -EINVAL;
3566 	}
3567 
3568 	for (i = 0; i < reta_size; i += IGB_4_BIT_WIDTH) {
3569 		idx = i / RTE_RETA_GROUP_SIZE;
3570 		shift = i % RTE_RETA_GROUP_SIZE;
3571 		mask = (uint8_t)((reta_conf[idx].mask >> shift) &
3572 						IGB_4_BIT_MASK);
3573 		if (!mask)
3574 			continue;
3575 		if (mask == IGB_4_BIT_MASK)
3576 			r = 0;
3577 		else
3578 			r = E1000_READ_REG(hw, E1000_RETA(i >> 2));
3579 		for (j = 0, reta = 0; j < IGB_4_BIT_WIDTH; j++) {
3580 			if (mask & (0x1 << j))
3581 				reta |= reta_conf[idx].reta[shift + j] <<
3582 							(CHAR_BIT * j);
3583 			else
3584 				reta |= r & (IGB_8_BIT_MASK << (CHAR_BIT * j));
3585 		}
3586 		E1000_WRITE_REG(hw, E1000_RETA(i >> 2), reta);
3587 	}
3588 
3589 	return 0;
3590 }
3591 
3592 static int
3593 eth_igb_rss_reta_query(struct rte_eth_dev *dev,
3594 		       struct rte_eth_rss_reta_entry64 *reta_conf,
3595 		       uint16_t reta_size)
3596 {
3597 	uint8_t i, j, mask;
3598 	uint32_t reta;
3599 	uint16_t idx, shift;
3600 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3601 
3602 	if (reta_size != ETH_RSS_RETA_SIZE_128) {
3603 		PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
3604 			"(%d) doesn't match the number hardware can supported "
3605 			"(%d)", reta_size, ETH_RSS_RETA_SIZE_128);
3606 		return -EINVAL;
3607 	}
3608 
3609 	for (i = 0; i < reta_size; i += IGB_4_BIT_WIDTH) {
3610 		idx = i / RTE_RETA_GROUP_SIZE;
3611 		shift = i % RTE_RETA_GROUP_SIZE;
3612 		mask = (uint8_t)((reta_conf[idx].mask >> shift) &
3613 						IGB_4_BIT_MASK);
3614 		if (!mask)
3615 			continue;
3616 		reta = E1000_READ_REG(hw, E1000_RETA(i >> 2));
3617 		for (j = 0; j < IGB_4_BIT_WIDTH; j++) {
3618 			if (mask & (0x1 << j))
3619 				reta_conf[idx].reta[shift + j] =
3620 					((reta >> (CHAR_BIT * j)) &
3621 						IGB_8_BIT_MASK);
3622 		}
3623 	}
3624 
3625 	return 0;
3626 }
3627 
3628 int
3629 eth_igb_syn_filter_set(struct rte_eth_dev *dev,
3630 			struct rte_eth_syn_filter *filter,
3631 			bool add)
3632 {
3633 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3634 	struct e1000_filter_info *filter_info =
3635 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
3636 	uint32_t synqf, rfctl;
3637 
3638 	if (filter->queue >= IGB_MAX_RX_QUEUE_NUM)
3639 		return -EINVAL;
3640 
3641 	synqf = E1000_READ_REG(hw, E1000_SYNQF(0));
3642 
3643 	if (add) {
3644 		if (synqf & E1000_SYN_FILTER_ENABLE)
3645 			return -EINVAL;
3646 
3647 		synqf = (uint32_t)(((filter->queue << E1000_SYN_FILTER_QUEUE_SHIFT) &
3648 			E1000_SYN_FILTER_QUEUE) | E1000_SYN_FILTER_ENABLE);
3649 
3650 		rfctl = E1000_READ_REG(hw, E1000_RFCTL);
3651 		if (filter->hig_pri)
3652 			rfctl |= E1000_RFCTL_SYNQFP;
3653 		else
3654 			rfctl &= ~E1000_RFCTL_SYNQFP;
3655 
3656 		E1000_WRITE_REG(hw, E1000_RFCTL, rfctl);
3657 	} else {
3658 		if (!(synqf & E1000_SYN_FILTER_ENABLE))
3659 			return -ENOENT;
3660 		synqf = 0;
3661 	}
3662 
3663 	filter_info->syn_info = synqf;
3664 	E1000_WRITE_REG(hw, E1000_SYNQF(0), synqf);
3665 	E1000_WRITE_FLUSH(hw);
3666 	return 0;
3667 }
3668 
3669 static int
3670 eth_igb_syn_filter_get(struct rte_eth_dev *dev,
3671 			struct rte_eth_syn_filter *filter)
3672 {
3673 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3674 	uint32_t synqf, rfctl;
3675 
3676 	synqf = E1000_READ_REG(hw, E1000_SYNQF(0));
3677 	if (synqf & E1000_SYN_FILTER_ENABLE) {
3678 		rfctl = E1000_READ_REG(hw, E1000_RFCTL);
3679 		filter->hig_pri = (rfctl & E1000_RFCTL_SYNQFP) ? 1 : 0;
3680 		filter->queue = (uint8_t)((synqf & E1000_SYN_FILTER_QUEUE) >>
3681 				E1000_SYN_FILTER_QUEUE_SHIFT);
3682 		return 0;
3683 	}
3684 
3685 	return -ENOENT;
3686 }
3687 
3688 static int
3689 eth_igb_syn_filter_handle(struct rte_eth_dev *dev,
3690 			enum rte_filter_op filter_op,
3691 			void *arg)
3692 {
3693 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3694 	int ret;
3695 
3696 	MAC_TYPE_FILTER_SUP(hw->mac.type);
3697 
3698 	if (filter_op == RTE_ETH_FILTER_NOP)
3699 		return 0;
3700 
3701 	if (arg == NULL) {
3702 		PMD_DRV_LOG(ERR, "arg shouldn't be NULL for operation %u",
3703 			    filter_op);
3704 		return -EINVAL;
3705 	}
3706 
3707 	switch (filter_op) {
3708 	case RTE_ETH_FILTER_ADD:
3709 		ret = eth_igb_syn_filter_set(dev,
3710 				(struct rte_eth_syn_filter *)arg,
3711 				TRUE);
3712 		break;
3713 	case RTE_ETH_FILTER_DELETE:
3714 		ret = eth_igb_syn_filter_set(dev,
3715 				(struct rte_eth_syn_filter *)arg,
3716 				FALSE);
3717 		break;
3718 	case RTE_ETH_FILTER_GET:
3719 		ret = eth_igb_syn_filter_get(dev,
3720 				(struct rte_eth_syn_filter *)arg);
3721 		break;
3722 	default:
3723 		PMD_DRV_LOG(ERR, "unsupported operation %u", filter_op);
3724 		ret = -EINVAL;
3725 		break;
3726 	}
3727 
3728 	return ret;
3729 }
3730 
3731 /* translate elements in struct rte_eth_ntuple_filter to struct e1000_2tuple_filter_info*/
3732 static inline int
3733 ntuple_filter_to_2tuple(struct rte_eth_ntuple_filter *filter,
3734 			struct e1000_2tuple_filter_info *filter_info)
3735 {
3736 	if (filter->queue >= IGB_MAX_RX_QUEUE_NUM)
3737 		return -EINVAL;
3738 	if (filter->priority > E1000_2TUPLE_MAX_PRI)
3739 		return -EINVAL;  /* filter index is out of range. */
3740 	if (filter->tcp_flags > RTE_NTUPLE_TCP_FLAGS_MASK)
3741 		return -EINVAL;  /* flags is invalid. */
3742 
3743 	switch (filter->dst_port_mask) {
3744 	case UINT16_MAX:
3745 		filter_info->dst_port_mask = 0;
3746 		filter_info->dst_port = filter->dst_port;
3747 		break;
3748 	case 0:
3749 		filter_info->dst_port_mask = 1;
3750 		break;
3751 	default:
3752 		PMD_DRV_LOG(ERR, "invalid dst_port mask.");
3753 		return -EINVAL;
3754 	}
3755 
3756 	switch (filter->proto_mask) {
3757 	case UINT8_MAX:
3758 		filter_info->proto_mask = 0;
3759 		filter_info->proto = filter->proto;
3760 		break;
3761 	case 0:
3762 		filter_info->proto_mask = 1;
3763 		break;
3764 	default:
3765 		PMD_DRV_LOG(ERR, "invalid protocol mask.");
3766 		return -EINVAL;
3767 	}
3768 
3769 	filter_info->priority = (uint8_t)filter->priority;
3770 	if (filter->flags & RTE_NTUPLE_FLAGS_TCP_FLAG)
3771 		filter_info->tcp_flags = filter->tcp_flags;
3772 	else
3773 		filter_info->tcp_flags = 0;
3774 
3775 	return 0;
3776 }
3777 
3778 static inline struct e1000_2tuple_filter *
3779 igb_2tuple_filter_lookup(struct e1000_2tuple_filter_list *filter_list,
3780 			struct e1000_2tuple_filter_info *key)
3781 {
3782 	struct e1000_2tuple_filter *it;
3783 
3784 	TAILQ_FOREACH(it, filter_list, entries) {
3785 		if (memcmp(key, &it->filter_info,
3786 			sizeof(struct e1000_2tuple_filter_info)) == 0) {
3787 			return it;
3788 		}
3789 	}
3790 	return NULL;
3791 }
3792 
3793 /* inject a igb 2tuple filter to HW */
3794 static inline void
3795 igb_inject_2uple_filter(struct rte_eth_dev *dev,
3796 			   struct e1000_2tuple_filter *filter)
3797 {
3798 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3799 	uint32_t ttqf = E1000_TTQF_DISABLE_MASK;
3800 	uint32_t imir, imir_ext = E1000_IMIREXT_SIZE_BP;
3801 	int i;
3802 
3803 	i = filter->index;
3804 	imir = (uint32_t)(filter->filter_info.dst_port & E1000_IMIR_DSTPORT);
3805 	if (filter->filter_info.dst_port_mask == 1) /* 1b means not compare. */
3806 		imir |= E1000_IMIR_PORT_BP;
3807 	else
3808 		imir &= ~E1000_IMIR_PORT_BP;
3809 
3810 	imir |= filter->filter_info.priority << E1000_IMIR_PRIORITY_SHIFT;
3811 
3812 	ttqf |= E1000_TTQF_QUEUE_ENABLE;
3813 	ttqf |= (uint32_t)(filter->queue << E1000_TTQF_QUEUE_SHIFT);
3814 	ttqf |= (uint32_t)(filter->filter_info.proto &
3815 						E1000_TTQF_PROTOCOL_MASK);
3816 	if (filter->filter_info.proto_mask == 0)
3817 		ttqf &= ~E1000_TTQF_MASK_ENABLE;
3818 
3819 	/* tcp flags bits setting. */
3820 	if (filter->filter_info.tcp_flags & RTE_NTUPLE_TCP_FLAGS_MASK) {
3821 		if (filter->filter_info.tcp_flags & RTE_TCP_URG_FLAG)
3822 			imir_ext |= E1000_IMIREXT_CTRL_URG;
3823 		if (filter->filter_info.tcp_flags & RTE_TCP_ACK_FLAG)
3824 			imir_ext |= E1000_IMIREXT_CTRL_ACK;
3825 		if (filter->filter_info.tcp_flags & RTE_TCP_PSH_FLAG)
3826 			imir_ext |= E1000_IMIREXT_CTRL_PSH;
3827 		if (filter->filter_info.tcp_flags & RTE_TCP_RST_FLAG)
3828 			imir_ext |= E1000_IMIREXT_CTRL_RST;
3829 		if (filter->filter_info.tcp_flags & RTE_TCP_SYN_FLAG)
3830 			imir_ext |= E1000_IMIREXT_CTRL_SYN;
3831 		if (filter->filter_info.tcp_flags & RTE_TCP_FIN_FLAG)
3832 			imir_ext |= E1000_IMIREXT_CTRL_FIN;
3833 	} else {
3834 		imir_ext |= E1000_IMIREXT_CTRL_BP;
3835 	}
3836 	E1000_WRITE_REG(hw, E1000_IMIR(i), imir);
3837 	E1000_WRITE_REG(hw, E1000_TTQF(i), ttqf);
3838 	E1000_WRITE_REG(hw, E1000_IMIREXT(i), imir_ext);
3839 }
3840 
3841 /*
3842  * igb_add_2tuple_filter - add a 2tuple filter
3843  *
3844  * @param
3845  * dev: Pointer to struct rte_eth_dev.
3846  * ntuple_filter: ponter to the filter that will be added.
3847  *
3848  * @return
3849  *    - On success, zero.
3850  *    - On failure, a negative value.
3851  */
3852 static int
3853 igb_add_2tuple_filter(struct rte_eth_dev *dev,
3854 			struct rte_eth_ntuple_filter *ntuple_filter)
3855 {
3856 	struct e1000_filter_info *filter_info =
3857 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
3858 	struct e1000_2tuple_filter *filter;
3859 	int i, ret;
3860 
3861 	filter = rte_zmalloc("e1000_2tuple_filter",
3862 			sizeof(struct e1000_2tuple_filter), 0);
3863 	if (filter == NULL)
3864 		return -ENOMEM;
3865 
3866 	ret = ntuple_filter_to_2tuple(ntuple_filter,
3867 				      &filter->filter_info);
3868 	if (ret < 0) {
3869 		rte_free(filter);
3870 		return ret;
3871 	}
3872 	if (igb_2tuple_filter_lookup(&filter_info->twotuple_list,
3873 					 &filter->filter_info) != NULL) {
3874 		PMD_DRV_LOG(ERR, "filter exists.");
3875 		rte_free(filter);
3876 		return -EEXIST;
3877 	}
3878 	filter->queue = ntuple_filter->queue;
3879 
3880 	/*
3881 	 * look for an unused 2tuple filter index,
3882 	 * and insert the filter to list.
3883 	 */
3884 	for (i = 0; i < E1000_MAX_TTQF_FILTERS; i++) {
3885 		if (!(filter_info->twotuple_mask & (1 << i))) {
3886 			filter_info->twotuple_mask |= 1 << i;
3887 			filter->index = i;
3888 			TAILQ_INSERT_TAIL(&filter_info->twotuple_list,
3889 					  filter,
3890 					  entries);
3891 			break;
3892 		}
3893 	}
3894 	if (i >= E1000_MAX_TTQF_FILTERS) {
3895 		PMD_DRV_LOG(ERR, "2tuple filters are full.");
3896 		rte_free(filter);
3897 		return -ENOSYS;
3898 	}
3899 
3900 	igb_inject_2uple_filter(dev, filter);
3901 	return 0;
3902 }
3903 
3904 int
3905 igb_delete_2tuple_filter(struct rte_eth_dev *dev,
3906 			struct e1000_2tuple_filter *filter)
3907 {
3908 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3909 	struct e1000_filter_info *filter_info =
3910 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
3911 
3912 	filter_info->twotuple_mask &= ~(1 << filter->index);
3913 	TAILQ_REMOVE(&filter_info->twotuple_list, filter, entries);
3914 	rte_free(filter);
3915 
3916 	E1000_WRITE_REG(hw, E1000_TTQF(filter->index), E1000_TTQF_DISABLE_MASK);
3917 	E1000_WRITE_REG(hw, E1000_IMIR(filter->index), 0);
3918 	E1000_WRITE_REG(hw, E1000_IMIREXT(filter->index), 0);
3919 	return 0;
3920 }
3921 
3922 /*
3923  * igb_remove_2tuple_filter - remove a 2tuple filter
3924  *
3925  * @param
3926  * dev: Pointer to struct rte_eth_dev.
3927  * ntuple_filter: ponter to the filter that will be removed.
3928  *
3929  * @return
3930  *    - On success, zero.
3931  *    - On failure, a negative value.
3932  */
3933 static int
3934 igb_remove_2tuple_filter(struct rte_eth_dev *dev,
3935 			struct rte_eth_ntuple_filter *ntuple_filter)
3936 {
3937 	struct e1000_filter_info *filter_info =
3938 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
3939 	struct e1000_2tuple_filter_info filter_2tuple;
3940 	struct e1000_2tuple_filter *filter;
3941 	int ret;
3942 
3943 	memset(&filter_2tuple, 0, sizeof(struct e1000_2tuple_filter_info));
3944 	ret = ntuple_filter_to_2tuple(ntuple_filter,
3945 				      &filter_2tuple);
3946 	if (ret < 0)
3947 		return ret;
3948 
3949 	filter = igb_2tuple_filter_lookup(&filter_info->twotuple_list,
3950 					 &filter_2tuple);
3951 	if (filter == NULL) {
3952 		PMD_DRV_LOG(ERR, "filter doesn't exist.");
3953 		return -ENOENT;
3954 	}
3955 
3956 	igb_delete_2tuple_filter(dev, filter);
3957 
3958 	return 0;
3959 }
3960 
3961 /* inject a igb flex filter to HW */
3962 static inline void
3963 igb_inject_flex_filter(struct rte_eth_dev *dev,
3964 			   struct e1000_flex_filter *filter)
3965 {
3966 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3967 	uint32_t wufc, queueing;
3968 	uint32_t reg_off;
3969 	uint8_t i, j = 0;
3970 
3971 	wufc = E1000_READ_REG(hw, E1000_WUFC);
3972 	if (filter->index < E1000_MAX_FHFT)
3973 		reg_off = E1000_FHFT(filter->index);
3974 	else
3975 		reg_off = E1000_FHFT_EXT(filter->index - E1000_MAX_FHFT);
3976 
3977 	E1000_WRITE_REG(hw, E1000_WUFC, wufc | E1000_WUFC_FLEX_HQ |
3978 			(E1000_WUFC_FLX0 << filter->index));
3979 	queueing = filter->filter_info.len |
3980 		(filter->queue << E1000_FHFT_QUEUEING_QUEUE_SHIFT) |
3981 		(filter->filter_info.priority <<
3982 			E1000_FHFT_QUEUEING_PRIO_SHIFT);
3983 	E1000_WRITE_REG(hw, reg_off + E1000_FHFT_QUEUEING_OFFSET,
3984 			queueing);
3985 
3986 	for (i = 0; i < E1000_FLEX_FILTERS_MASK_SIZE; i++) {
3987 		E1000_WRITE_REG(hw, reg_off,
3988 				filter->filter_info.dwords[j]);
3989 		reg_off += sizeof(uint32_t);
3990 		E1000_WRITE_REG(hw, reg_off,
3991 				filter->filter_info.dwords[++j]);
3992 		reg_off += sizeof(uint32_t);
3993 		E1000_WRITE_REG(hw, reg_off,
3994 			(uint32_t)filter->filter_info.mask[i]);
3995 		reg_off += sizeof(uint32_t) * 2;
3996 		++j;
3997 	}
3998 }
3999 
4000 static inline struct e1000_flex_filter *
4001 eth_igb_flex_filter_lookup(struct e1000_flex_filter_list *filter_list,
4002 			struct e1000_flex_filter_info *key)
4003 {
4004 	struct e1000_flex_filter *it;
4005 
4006 	TAILQ_FOREACH(it, filter_list, entries) {
4007 		if (memcmp(key, &it->filter_info,
4008 			sizeof(struct e1000_flex_filter_info)) == 0)
4009 			return it;
4010 	}
4011 
4012 	return NULL;
4013 }
4014 
4015 /* remove a flex byte filter
4016  * @param
4017  * dev: Pointer to struct rte_eth_dev.
4018  * filter: the pointer of the filter will be removed.
4019  */
4020 void
4021 igb_remove_flex_filter(struct rte_eth_dev *dev,
4022 			struct e1000_flex_filter *filter)
4023 {
4024 	struct e1000_filter_info *filter_info =
4025 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
4026 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4027 	uint32_t wufc, i;
4028 	uint32_t reg_off;
4029 
4030 	wufc = E1000_READ_REG(hw, E1000_WUFC);
4031 	if (filter->index < E1000_MAX_FHFT)
4032 		reg_off = E1000_FHFT(filter->index);
4033 	else
4034 		reg_off = E1000_FHFT_EXT(filter->index - E1000_MAX_FHFT);
4035 
4036 	for (i = 0; i < E1000_FHFT_SIZE_IN_DWD; i++)
4037 		E1000_WRITE_REG(hw, reg_off + i * sizeof(uint32_t), 0);
4038 
4039 	E1000_WRITE_REG(hw, E1000_WUFC, wufc &
4040 		(~(E1000_WUFC_FLX0 << filter->index)));
4041 
4042 	filter_info->flex_mask &= ~(1 << filter->index);
4043 	TAILQ_REMOVE(&filter_info->flex_list, filter, entries);
4044 	rte_free(filter);
4045 }
4046 
4047 int
4048 eth_igb_add_del_flex_filter(struct rte_eth_dev *dev,
4049 			struct rte_eth_flex_filter *filter,
4050 			bool add)
4051 {
4052 	struct e1000_filter_info *filter_info =
4053 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
4054 	struct e1000_flex_filter *flex_filter, *it;
4055 	uint32_t mask;
4056 	uint8_t shift, i;
4057 
4058 	flex_filter = rte_zmalloc("e1000_flex_filter",
4059 			sizeof(struct e1000_flex_filter), 0);
4060 	if (flex_filter == NULL)
4061 		return -ENOMEM;
4062 
4063 	flex_filter->filter_info.len = filter->len;
4064 	flex_filter->filter_info.priority = filter->priority;
4065 	memcpy(flex_filter->filter_info.dwords, filter->bytes, filter->len);
4066 	for (i = 0; i < RTE_ALIGN(filter->len, CHAR_BIT) / CHAR_BIT; i++) {
4067 		mask = 0;
4068 		/* reverse bits in flex filter's mask*/
4069 		for (shift = 0; shift < CHAR_BIT; shift++) {
4070 			if (filter->mask[i] & (0x01 << shift))
4071 				mask |= (0x80 >> shift);
4072 		}
4073 		flex_filter->filter_info.mask[i] = mask;
4074 	}
4075 
4076 	it = eth_igb_flex_filter_lookup(&filter_info->flex_list,
4077 				&flex_filter->filter_info);
4078 	if (it == NULL && !add) {
4079 		PMD_DRV_LOG(ERR, "filter doesn't exist.");
4080 		rte_free(flex_filter);
4081 		return -ENOENT;
4082 	}
4083 	if (it != NULL && add) {
4084 		PMD_DRV_LOG(ERR, "filter exists.");
4085 		rte_free(flex_filter);
4086 		return -EEXIST;
4087 	}
4088 
4089 	if (add) {
4090 		flex_filter->queue = filter->queue;
4091 		/*
4092 		 * look for an unused flex filter index
4093 		 * and insert the filter into the list.
4094 		 */
4095 		for (i = 0; i < E1000_MAX_FLEX_FILTERS; i++) {
4096 			if (!(filter_info->flex_mask & (1 << i))) {
4097 				filter_info->flex_mask |= 1 << i;
4098 				flex_filter->index = i;
4099 				TAILQ_INSERT_TAIL(&filter_info->flex_list,
4100 					flex_filter,
4101 					entries);
4102 				break;
4103 			}
4104 		}
4105 		if (i >= E1000_MAX_FLEX_FILTERS) {
4106 			PMD_DRV_LOG(ERR, "flex filters are full.");
4107 			rte_free(flex_filter);
4108 			return -ENOSYS;
4109 		}
4110 
4111 		igb_inject_flex_filter(dev, flex_filter);
4112 
4113 	} else {
4114 		igb_remove_flex_filter(dev, it);
4115 		rte_free(flex_filter);
4116 	}
4117 
4118 	return 0;
4119 }
4120 
4121 static int
4122 eth_igb_get_flex_filter(struct rte_eth_dev *dev,
4123 			struct rte_eth_flex_filter *filter)
4124 {
4125 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4126 	struct e1000_filter_info *filter_info =
4127 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
4128 	struct e1000_flex_filter flex_filter, *it;
4129 	uint32_t wufc, queueing, wufc_en = 0;
4130 
4131 	memset(&flex_filter, 0, sizeof(struct e1000_flex_filter));
4132 	flex_filter.filter_info.len = filter->len;
4133 	flex_filter.filter_info.priority = filter->priority;
4134 	memcpy(flex_filter.filter_info.dwords, filter->bytes, filter->len);
4135 	memcpy(flex_filter.filter_info.mask, filter->mask,
4136 			RTE_ALIGN(filter->len, CHAR_BIT) / CHAR_BIT);
4137 
4138 	it = eth_igb_flex_filter_lookup(&filter_info->flex_list,
4139 				&flex_filter.filter_info);
4140 	if (it == NULL) {
4141 		PMD_DRV_LOG(ERR, "filter doesn't exist.");
4142 		return -ENOENT;
4143 	}
4144 
4145 	wufc = E1000_READ_REG(hw, E1000_WUFC);
4146 	wufc_en = E1000_WUFC_FLEX_HQ | (E1000_WUFC_FLX0 << it->index);
4147 
4148 	if ((wufc & wufc_en) == wufc_en) {
4149 		uint32_t reg_off = 0;
4150 		if (it->index < E1000_MAX_FHFT)
4151 			reg_off = E1000_FHFT(it->index);
4152 		else
4153 			reg_off = E1000_FHFT_EXT(it->index - E1000_MAX_FHFT);
4154 
4155 		queueing = E1000_READ_REG(hw,
4156 				reg_off + E1000_FHFT_QUEUEING_OFFSET);
4157 		filter->len = queueing & E1000_FHFT_QUEUEING_LEN;
4158 		filter->priority = (queueing & E1000_FHFT_QUEUEING_PRIO) >>
4159 			E1000_FHFT_QUEUEING_PRIO_SHIFT;
4160 		filter->queue = (queueing & E1000_FHFT_QUEUEING_QUEUE) >>
4161 			E1000_FHFT_QUEUEING_QUEUE_SHIFT;
4162 		return 0;
4163 	}
4164 	return -ENOENT;
4165 }
4166 
4167 static int
4168 eth_igb_flex_filter_handle(struct rte_eth_dev *dev,
4169 			enum rte_filter_op filter_op,
4170 			void *arg)
4171 {
4172 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4173 	struct rte_eth_flex_filter *filter;
4174 	int ret = 0;
4175 
4176 	MAC_TYPE_FILTER_SUP_EXT(hw->mac.type);
4177 
4178 	if (filter_op == RTE_ETH_FILTER_NOP)
4179 		return ret;
4180 
4181 	if (arg == NULL) {
4182 		PMD_DRV_LOG(ERR, "arg shouldn't be NULL for operation %u",
4183 			    filter_op);
4184 		return -EINVAL;
4185 	}
4186 
4187 	filter = (struct rte_eth_flex_filter *)arg;
4188 	if (filter->len == 0 || filter->len > E1000_MAX_FLEX_FILTER_LEN
4189 	    || filter->len % sizeof(uint64_t) != 0) {
4190 		PMD_DRV_LOG(ERR, "filter's length is out of range");
4191 		return -EINVAL;
4192 	}
4193 	if (filter->priority > E1000_MAX_FLEX_FILTER_PRI) {
4194 		PMD_DRV_LOG(ERR, "filter's priority is out of range");
4195 		return -EINVAL;
4196 	}
4197 
4198 	switch (filter_op) {
4199 	case RTE_ETH_FILTER_ADD:
4200 		ret = eth_igb_add_del_flex_filter(dev, filter, TRUE);
4201 		break;
4202 	case RTE_ETH_FILTER_DELETE:
4203 		ret = eth_igb_add_del_flex_filter(dev, filter, FALSE);
4204 		break;
4205 	case RTE_ETH_FILTER_GET:
4206 		ret = eth_igb_get_flex_filter(dev, filter);
4207 		break;
4208 	default:
4209 		PMD_DRV_LOG(ERR, "unsupported operation %u", filter_op);
4210 		ret = -EINVAL;
4211 		break;
4212 	}
4213 
4214 	return ret;
4215 }
4216 
4217 /* translate elements in struct rte_eth_ntuple_filter to struct e1000_5tuple_filter_info*/
4218 static inline int
4219 ntuple_filter_to_5tuple_82576(struct rte_eth_ntuple_filter *filter,
4220 			struct e1000_5tuple_filter_info *filter_info)
4221 {
4222 	if (filter->queue >= IGB_MAX_RX_QUEUE_NUM_82576)
4223 		return -EINVAL;
4224 	if (filter->priority > E1000_2TUPLE_MAX_PRI)
4225 		return -EINVAL;  /* filter index is out of range. */
4226 	if (filter->tcp_flags > RTE_NTUPLE_TCP_FLAGS_MASK)
4227 		return -EINVAL;  /* flags is invalid. */
4228 
4229 	switch (filter->dst_ip_mask) {
4230 	case UINT32_MAX:
4231 		filter_info->dst_ip_mask = 0;
4232 		filter_info->dst_ip = filter->dst_ip;
4233 		break;
4234 	case 0:
4235 		filter_info->dst_ip_mask = 1;
4236 		break;
4237 	default:
4238 		PMD_DRV_LOG(ERR, "invalid dst_ip mask.");
4239 		return -EINVAL;
4240 	}
4241 
4242 	switch (filter->src_ip_mask) {
4243 	case UINT32_MAX:
4244 		filter_info->src_ip_mask = 0;
4245 		filter_info->src_ip = filter->src_ip;
4246 		break;
4247 	case 0:
4248 		filter_info->src_ip_mask = 1;
4249 		break;
4250 	default:
4251 		PMD_DRV_LOG(ERR, "invalid src_ip mask.");
4252 		return -EINVAL;
4253 	}
4254 
4255 	switch (filter->dst_port_mask) {
4256 	case UINT16_MAX:
4257 		filter_info->dst_port_mask = 0;
4258 		filter_info->dst_port = filter->dst_port;
4259 		break;
4260 	case 0:
4261 		filter_info->dst_port_mask = 1;
4262 		break;
4263 	default:
4264 		PMD_DRV_LOG(ERR, "invalid dst_port mask.");
4265 		return -EINVAL;
4266 	}
4267 
4268 	switch (filter->src_port_mask) {
4269 	case UINT16_MAX:
4270 		filter_info->src_port_mask = 0;
4271 		filter_info->src_port = filter->src_port;
4272 		break;
4273 	case 0:
4274 		filter_info->src_port_mask = 1;
4275 		break;
4276 	default:
4277 		PMD_DRV_LOG(ERR, "invalid src_port mask.");
4278 		return -EINVAL;
4279 	}
4280 
4281 	switch (filter->proto_mask) {
4282 	case UINT8_MAX:
4283 		filter_info->proto_mask = 0;
4284 		filter_info->proto = filter->proto;
4285 		break;
4286 	case 0:
4287 		filter_info->proto_mask = 1;
4288 		break;
4289 	default:
4290 		PMD_DRV_LOG(ERR, "invalid protocol mask.");
4291 		return -EINVAL;
4292 	}
4293 
4294 	filter_info->priority = (uint8_t)filter->priority;
4295 	if (filter->flags & RTE_NTUPLE_FLAGS_TCP_FLAG)
4296 		filter_info->tcp_flags = filter->tcp_flags;
4297 	else
4298 		filter_info->tcp_flags = 0;
4299 
4300 	return 0;
4301 }
4302 
4303 static inline struct e1000_5tuple_filter *
4304 igb_5tuple_filter_lookup_82576(struct e1000_5tuple_filter_list *filter_list,
4305 			struct e1000_5tuple_filter_info *key)
4306 {
4307 	struct e1000_5tuple_filter *it;
4308 
4309 	TAILQ_FOREACH(it, filter_list, entries) {
4310 		if (memcmp(key, &it->filter_info,
4311 			sizeof(struct e1000_5tuple_filter_info)) == 0) {
4312 			return it;
4313 		}
4314 	}
4315 	return NULL;
4316 }
4317 
4318 /* inject a igb 5-tuple filter to HW */
4319 static inline void
4320 igb_inject_5tuple_filter_82576(struct rte_eth_dev *dev,
4321 			   struct e1000_5tuple_filter *filter)
4322 {
4323 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4324 	uint32_t ftqf = E1000_FTQF_VF_BP | E1000_FTQF_MASK;
4325 	uint32_t spqf, imir, imir_ext = E1000_IMIREXT_SIZE_BP;
4326 	uint8_t i;
4327 
4328 	i = filter->index;
4329 	ftqf |= filter->filter_info.proto & E1000_FTQF_PROTOCOL_MASK;
4330 	if (filter->filter_info.src_ip_mask == 0) /* 0b means compare. */
4331 		ftqf &= ~E1000_FTQF_MASK_SOURCE_ADDR_BP;
4332 	if (filter->filter_info.dst_ip_mask == 0)
4333 		ftqf &= ~E1000_FTQF_MASK_DEST_ADDR_BP;
4334 	if (filter->filter_info.src_port_mask == 0)
4335 		ftqf &= ~E1000_FTQF_MASK_SOURCE_PORT_BP;
4336 	if (filter->filter_info.proto_mask == 0)
4337 		ftqf &= ~E1000_FTQF_MASK_PROTO_BP;
4338 	ftqf |= (filter->queue << E1000_FTQF_QUEUE_SHIFT) &
4339 		E1000_FTQF_QUEUE_MASK;
4340 	ftqf |= E1000_FTQF_QUEUE_ENABLE;
4341 	E1000_WRITE_REG(hw, E1000_FTQF(i), ftqf);
4342 	E1000_WRITE_REG(hw, E1000_DAQF(i), filter->filter_info.dst_ip);
4343 	E1000_WRITE_REG(hw, E1000_SAQF(i), filter->filter_info.src_ip);
4344 
4345 	spqf = filter->filter_info.src_port & E1000_SPQF_SRCPORT;
4346 	E1000_WRITE_REG(hw, E1000_SPQF(i), spqf);
4347 
4348 	imir = (uint32_t)(filter->filter_info.dst_port & E1000_IMIR_DSTPORT);
4349 	if (filter->filter_info.dst_port_mask == 1) /* 1b means not compare. */
4350 		imir |= E1000_IMIR_PORT_BP;
4351 	else
4352 		imir &= ~E1000_IMIR_PORT_BP;
4353 	imir |= filter->filter_info.priority << E1000_IMIR_PRIORITY_SHIFT;
4354 
4355 	/* tcp flags bits setting. */
4356 	if (filter->filter_info.tcp_flags & RTE_NTUPLE_TCP_FLAGS_MASK) {
4357 		if (filter->filter_info.tcp_flags & RTE_TCP_URG_FLAG)
4358 			imir_ext |= E1000_IMIREXT_CTRL_URG;
4359 		if (filter->filter_info.tcp_flags & RTE_TCP_ACK_FLAG)
4360 			imir_ext |= E1000_IMIREXT_CTRL_ACK;
4361 		if (filter->filter_info.tcp_flags & RTE_TCP_PSH_FLAG)
4362 			imir_ext |= E1000_IMIREXT_CTRL_PSH;
4363 		if (filter->filter_info.tcp_flags & RTE_TCP_RST_FLAG)
4364 			imir_ext |= E1000_IMIREXT_CTRL_RST;
4365 		if (filter->filter_info.tcp_flags & RTE_TCP_SYN_FLAG)
4366 			imir_ext |= E1000_IMIREXT_CTRL_SYN;
4367 		if (filter->filter_info.tcp_flags & RTE_TCP_FIN_FLAG)
4368 			imir_ext |= E1000_IMIREXT_CTRL_FIN;
4369 	} else {
4370 		imir_ext |= E1000_IMIREXT_CTRL_BP;
4371 	}
4372 	E1000_WRITE_REG(hw, E1000_IMIR(i), imir);
4373 	E1000_WRITE_REG(hw, E1000_IMIREXT(i), imir_ext);
4374 }
4375 
4376 /*
4377  * igb_add_5tuple_filter_82576 - add a 5tuple filter
4378  *
4379  * @param
4380  * dev: Pointer to struct rte_eth_dev.
4381  * ntuple_filter: ponter to the filter that will be added.
4382  *
4383  * @return
4384  *    - On success, zero.
4385  *    - On failure, a negative value.
4386  */
4387 static int
4388 igb_add_5tuple_filter_82576(struct rte_eth_dev *dev,
4389 			struct rte_eth_ntuple_filter *ntuple_filter)
4390 {
4391 	struct e1000_filter_info *filter_info =
4392 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
4393 	struct e1000_5tuple_filter *filter;
4394 	uint8_t i;
4395 	int ret;
4396 
4397 	filter = rte_zmalloc("e1000_5tuple_filter",
4398 			sizeof(struct e1000_5tuple_filter), 0);
4399 	if (filter == NULL)
4400 		return -ENOMEM;
4401 
4402 	ret = ntuple_filter_to_5tuple_82576(ntuple_filter,
4403 					    &filter->filter_info);
4404 	if (ret < 0) {
4405 		rte_free(filter);
4406 		return ret;
4407 	}
4408 
4409 	if (igb_5tuple_filter_lookup_82576(&filter_info->fivetuple_list,
4410 					 &filter->filter_info) != NULL) {
4411 		PMD_DRV_LOG(ERR, "filter exists.");
4412 		rte_free(filter);
4413 		return -EEXIST;
4414 	}
4415 	filter->queue = ntuple_filter->queue;
4416 
4417 	/*
4418 	 * look for an unused 5tuple filter index,
4419 	 * and insert the filter to list.
4420 	 */
4421 	for (i = 0; i < E1000_MAX_FTQF_FILTERS; i++) {
4422 		if (!(filter_info->fivetuple_mask & (1 << i))) {
4423 			filter_info->fivetuple_mask |= 1 << i;
4424 			filter->index = i;
4425 			TAILQ_INSERT_TAIL(&filter_info->fivetuple_list,
4426 					  filter,
4427 					  entries);
4428 			break;
4429 		}
4430 	}
4431 	if (i >= E1000_MAX_FTQF_FILTERS) {
4432 		PMD_DRV_LOG(ERR, "5tuple filters are full.");
4433 		rte_free(filter);
4434 		return -ENOSYS;
4435 	}
4436 
4437 	igb_inject_5tuple_filter_82576(dev, filter);
4438 	return 0;
4439 }
4440 
4441 int
4442 igb_delete_5tuple_filter_82576(struct rte_eth_dev *dev,
4443 				struct e1000_5tuple_filter *filter)
4444 {
4445 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4446 	struct e1000_filter_info *filter_info =
4447 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
4448 
4449 	filter_info->fivetuple_mask &= ~(1 << filter->index);
4450 	TAILQ_REMOVE(&filter_info->fivetuple_list, filter, entries);
4451 	rte_free(filter);
4452 
4453 	E1000_WRITE_REG(hw, E1000_FTQF(filter->index),
4454 			E1000_FTQF_VF_BP | E1000_FTQF_MASK);
4455 	E1000_WRITE_REG(hw, E1000_DAQF(filter->index), 0);
4456 	E1000_WRITE_REG(hw, E1000_SAQF(filter->index), 0);
4457 	E1000_WRITE_REG(hw, E1000_SPQF(filter->index), 0);
4458 	E1000_WRITE_REG(hw, E1000_IMIR(filter->index), 0);
4459 	E1000_WRITE_REG(hw, E1000_IMIREXT(filter->index), 0);
4460 	return 0;
4461 }
4462 
4463 /*
4464  * igb_remove_5tuple_filter_82576 - remove a 5tuple filter
4465  *
4466  * @param
4467  * dev: Pointer to struct rte_eth_dev.
4468  * ntuple_filter: ponter to the filter that will be removed.
4469  *
4470  * @return
4471  *    - On success, zero.
4472  *    - On failure, a negative value.
4473  */
4474 static int
4475 igb_remove_5tuple_filter_82576(struct rte_eth_dev *dev,
4476 				struct rte_eth_ntuple_filter *ntuple_filter)
4477 {
4478 	struct e1000_filter_info *filter_info =
4479 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
4480 	struct e1000_5tuple_filter_info filter_5tuple;
4481 	struct e1000_5tuple_filter *filter;
4482 	int ret;
4483 
4484 	memset(&filter_5tuple, 0, sizeof(struct e1000_5tuple_filter_info));
4485 	ret = ntuple_filter_to_5tuple_82576(ntuple_filter,
4486 					    &filter_5tuple);
4487 	if (ret < 0)
4488 		return ret;
4489 
4490 	filter = igb_5tuple_filter_lookup_82576(&filter_info->fivetuple_list,
4491 					 &filter_5tuple);
4492 	if (filter == NULL) {
4493 		PMD_DRV_LOG(ERR, "filter doesn't exist.");
4494 		return -ENOENT;
4495 	}
4496 
4497 	igb_delete_5tuple_filter_82576(dev, filter);
4498 
4499 	return 0;
4500 }
4501 
4502 static int
4503 eth_igb_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
4504 {
4505 	uint32_t rctl;
4506 	struct e1000_hw *hw;
4507 	struct rte_eth_dev_info dev_info;
4508 	uint32_t frame_size = mtu + E1000_ETH_OVERHEAD;
4509 	int ret;
4510 
4511 	hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4512 
4513 #ifdef RTE_LIBRTE_82571_SUPPORT
4514 	/* XXX: not bigger than max_rx_pktlen */
4515 	if (hw->mac.type == e1000_82571)
4516 		return -ENOTSUP;
4517 #endif
4518 	ret = eth_igb_infos_get(dev, &dev_info);
4519 	if (ret != 0)
4520 		return ret;
4521 
4522 	/* check that mtu is within the allowed range */
4523 	if (mtu < RTE_ETHER_MIN_MTU ||
4524 			frame_size > dev_info.max_rx_pktlen)
4525 		return -EINVAL;
4526 
4527 	/* refuse mtu that requires the support of scattered packets when this
4528 	 * feature has not been enabled before. */
4529 	if (!dev->data->scattered_rx &&
4530 	    frame_size > dev->data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM)
4531 		return -EINVAL;
4532 
4533 	rctl = E1000_READ_REG(hw, E1000_RCTL);
4534 
4535 	/* switch to jumbo mode if needed */
4536 	if (frame_size > RTE_ETHER_MAX_LEN) {
4537 		dev->data->dev_conf.rxmode.offloads |=
4538 			DEV_RX_OFFLOAD_JUMBO_FRAME;
4539 		rctl |= E1000_RCTL_LPE;
4540 	} else {
4541 		dev->data->dev_conf.rxmode.offloads &=
4542 			~DEV_RX_OFFLOAD_JUMBO_FRAME;
4543 		rctl &= ~E1000_RCTL_LPE;
4544 	}
4545 	E1000_WRITE_REG(hw, E1000_RCTL, rctl);
4546 
4547 	/* update max frame size */
4548 	dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
4549 
4550 	E1000_WRITE_REG(hw, E1000_RLPML,
4551 			dev->data->dev_conf.rxmode.max_rx_pkt_len);
4552 
4553 	return 0;
4554 }
4555 
4556 /*
4557  * igb_add_del_ntuple_filter - add or delete a ntuple filter
4558  *
4559  * @param
4560  * dev: Pointer to struct rte_eth_dev.
4561  * ntuple_filter: Pointer to struct rte_eth_ntuple_filter
4562  * add: if true, add filter, if false, remove filter
4563  *
4564  * @return
4565  *    - On success, zero.
4566  *    - On failure, a negative value.
4567  */
4568 int
4569 igb_add_del_ntuple_filter(struct rte_eth_dev *dev,
4570 			struct rte_eth_ntuple_filter *ntuple_filter,
4571 			bool add)
4572 {
4573 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4574 	int ret;
4575 
4576 	switch (ntuple_filter->flags) {
4577 	case RTE_5TUPLE_FLAGS:
4578 	case (RTE_5TUPLE_FLAGS | RTE_NTUPLE_FLAGS_TCP_FLAG):
4579 		if (hw->mac.type != e1000_82576)
4580 			return -ENOTSUP;
4581 		if (add)
4582 			ret = igb_add_5tuple_filter_82576(dev,
4583 							  ntuple_filter);
4584 		else
4585 			ret = igb_remove_5tuple_filter_82576(dev,
4586 							     ntuple_filter);
4587 		break;
4588 	case RTE_2TUPLE_FLAGS:
4589 	case (RTE_2TUPLE_FLAGS | RTE_NTUPLE_FLAGS_TCP_FLAG):
4590 		if (hw->mac.type != e1000_82580 && hw->mac.type != e1000_i350 &&
4591 			hw->mac.type != e1000_i210 &&
4592 			hw->mac.type != e1000_i211)
4593 			return -ENOTSUP;
4594 		if (add)
4595 			ret = igb_add_2tuple_filter(dev, ntuple_filter);
4596 		else
4597 			ret = igb_remove_2tuple_filter(dev, ntuple_filter);
4598 		break;
4599 	default:
4600 		ret = -EINVAL;
4601 		break;
4602 	}
4603 
4604 	return ret;
4605 }
4606 
4607 /*
4608  * igb_get_ntuple_filter - get a ntuple filter
4609  *
4610  * @param
4611  * dev: Pointer to struct rte_eth_dev.
4612  * ntuple_filter: Pointer to struct rte_eth_ntuple_filter
4613  *
4614  * @return
4615  *    - On success, zero.
4616  *    - On failure, a negative value.
4617  */
4618 static int
4619 igb_get_ntuple_filter(struct rte_eth_dev *dev,
4620 			struct rte_eth_ntuple_filter *ntuple_filter)
4621 {
4622 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4623 	struct e1000_filter_info *filter_info =
4624 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
4625 	struct e1000_5tuple_filter_info filter_5tuple;
4626 	struct e1000_2tuple_filter_info filter_2tuple;
4627 	struct e1000_5tuple_filter *p_5tuple_filter;
4628 	struct e1000_2tuple_filter *p_2tuple_filter;
4629 	int ret;
4630 
4631 	switch (ntuple_filter->flags) {
4632 	case RTE_5TUPLE_FLAGS:
4633 	case (RTE_5TUPLE_FLAGS | RTE_NTUPLE_FLAGS_TCP_FLAG):
4634 		if (hw->mac.type != e1000_82576)
4635 			return -ENOTSUP;
4636 		memset(&filter_5tuple,
4637 			0,
4638 			sizeof(struct e1000_5tuple_filter_info));
4639 		ret = ntuple_filter_to_5tuple_82576(ntuple_filter,
4640 						    &filter_5tuple);
4641 		if (ret < 0)
4642 			return ret;
4643 		p_5tuple_filter = igb_5tuple_filter_lookup_82576(
4644 					&filter_info->fivetuple_list,
4645 					&filter_5tuple);
4646 		if (p_5tuple_filter == NULL) {
4647 			PMD_DRV_LOG(ERR, "filter doesn't exist.");
4648 			return -ENOENT;
4649 		}
4650 		ntuple_filter->queue = p_5tuple_filter->queue;
4651 		break;
4652 	case RTE_2TUPLE_FLAGS:
4653 	case (RTE_2TUPLE_FLAGS | RTE_NTUPLE_FLAGS_TCP_FLAG):
4654 		if (hw->mac.type != e1000_82580 && hw->mac.type != e1000_i350)
4655 			return -ENOTSUP;
4656 		memset(&filter_2tuple,
4657 			0,
4658 			sizeof(struct e1000_2tuple_filter_info));
4659 		ret = ntuple_filter_to_2tuple(ntuple_filter, &filter_2tuple);
4660 		if (ret < 0)
4661 			return ret;
4662 		p_2tuple_filter = igb_2tuple_filter_lookup(
4663 					&filter_info->twotuple_list,
4664 					&filter_2tuple);
4665 		if (p_2tuple_filter == NULL) {
4666 			PMD_DRV_LOG(ERR, "filter doesn't exist.");
4667 			return -ENOENT;
4668 		}
4669 		ntuple_filter->queue = p_2tuple_filter->queue;
4670 		break;
4671 	default:
4672 		ret = -EINVAL;
4673 		break;
4674 	}
4675 
4676 	return 0;
4677 }
4678 
4679 /*
4680  * igb_ntuple_filter_handle - Handle operations for ntuple filter.
4681  * @dev: pointer to rte_eth_dev structure
4682  * @filter_op:operation will be taken.
4683  * @arg: a pointer to specific structure corresponding to the filter_op
4684  */
4685 static int
4686 igb_ntuple_filter_handle(struct rte_eth_dev *dev,
4687 				enum rte_filter_op filter_op,
4688 				void *arg)
4689 {
4690 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4691 	int ret;
4692 
4693 	MAC_TYPE_FILTER_SUP(hw->mac.type);
4694 
4695 	if (filter_op == RTE_ETH_FILTER_NOP)
4696 		return 0;
4697 
4698 	if (arg == NULL) {
4699 		PMD_DRV_LOG(ERR, "arg shouldn't be NULL for operation %u.",
4700 			    filter_op);
4701 		return -EINVAL;
4702 	}
4703 
4704 	switch (filter_op) {
4705 	case RTE_ETH_FILTER_ADD:
4706 		ret = igb_add_del_ntuple_filter(dev,
4707 			(struct rte_eth_ntuple_filter *)arg,
4708 			TRUE);
4709 		break;
4710 	case RTE_ETH_FILTER_DELETE:
4711 		ret = igb_add_del_ntuple_filter(dev,
4712 			(struct rte_eth_ntuple_filter *)arg,
4713 			FALSE);
4714 		break;
4715 	case RTE_ETH_FILTER_GET:
4716 		ret = igb_get_ntuple_filter(dev,
4717 			(struct rte_eth_ntuple_filter *)arg);
4718 		break;
4719 	default:
4720 		PMD_DRV_LOG(ERR, "unsupported operation %u.", filter_op);
4721 		ret = -EINVAL;
4722 		break;
4723 	}
4724 	return ret;
4725 }
4726 
4727 static inline int
4728 igb_ethertype_filter_lookup(struct e1000_filter_info *filter_info,
4729 			uint16_t ethertype)
4730 {
4731 	int i;
4732 
4733 	for (i = 0; i < E1000_MAX_ETQF_FILTERS; i++) {
4734 		if (filter_info->ethertype_filters[i].ethertype == ethertype &&
4735 		    (filter_info->ethertype_mask & (1 << i)))
4736 			return i;
4737 	}
4738 	return -1;
4739 }
4740 
4741 static inline int
4742 igb_ethertype_filter_insert(struct e1000_filter_info *filter_info,
4743 			uint16_t ethertype, uint32_t etqf)
4744 {
4745 	int i;
4746 
4747 	for (i = 0; i < E1000_MAX_ETQF_FILTERS; i++) {
4748 		if (!(filter_info->ethertype_mask & (1 << i))) {
4749 			filter_info->ethertype_mask |= 1 << i;
4750 			filter_info->ethertype_filters[i].ethertype = ethertype;
4751 			filter_info->ethertype_filters[i].etqf = etqf;
4752 			return i;
4753 		}
4754 	}
4755 	return -1;
4756 }
4757 
4758 int
4759 igb_ethertype_filter_remove(struct e1000_filter_info *filter_info,
4760 			uint8_t idx)
4761 {
4762 	if (idx >= E1000_MAX_ETQF_FILTERS)
4763 		return -1;
4764 	filter_info->ethertype_mask &= ~(1 << idx);
4765 	filter_info->ethertype_filters[idx].ethertype = 0;
4766 	filter_info->ethertype_filters[idx].etqf = 0;
4767 	return idx;
4768 }
4769 
4770 
4771 int
4772 igb_add_del_ethertype_filter(struct rte_eth_dev *dev,
4773 			struct rte_eth_ethertype_filter *filter,
4774 			bool add)
4775 {
4776 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4777 	struct e1000_filter_info *filter_info =
4778 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
4779 	uint32_t etqf = 0;
4780 	int ret;
4781 
4782 	if (filter->ether_type == RTE_ETHER_TYPE_IPV4 ||
4783 		filter->ether_type == RTE_ETHER_TYPE_IPV6) {
4784 		PMD_DRV_LOG(ERR, "unsupported ether_type(0x%04x) in"
4785 			" ethertype filter.", filter->ether_type);
4786 		return -EINVAL;
4787 	}
4788 
4789 	if (filter->flags & RTE_ETHTYPE_FLAGS_MAC) {
4790 		PMD_DRV_LOG(ERR, "mac compare is unsupported.");
4791 		return -EINVAL;
4792 	}
4793 	if (filter->flags & RTE_ETHTYPE_FLAGS_DROP) {
4794 		PMD_DRV_LOG(ERR, "drop option is unsupported.");
4795 		return -EINVAL;
4796 	}
4797 
4798 	ret = igb_ethertype_filter_lookup(filter_info, filter->ether_type);
4799 	if (ret >= 0 && add) {
4800 		PMD_DRV_LOG(ERR, "ethertype (0x%04x) filter exists.",
4801 			    filter->ether_type);
4802 		return -EEXIST;
4803 	}
4804 	if (ret < 0 && !add) {
4805 		PMD_DRV_LOG(ERR, "ethertype (0x%04x) filter doesn't exist.",
4806 			    filter->ether_type);
4807 		return -ENOENT;
4808 	}
4809 
4810 	if (add) {
4811 		etqf |= E1000_ETQF_FILTER_ENABLE | E1000_ETQF_QUEUE_ENABLE;
4812 		etqf |= (uint32_t)(filter->ether_type & E1000_ETQF_ETHERTYPE);
4813 		etqf |= filter->queue << E1000_ETQF_QUEUE_SHIFT;
4814 		ret = igb_ethertype_filter_insert(filter_info,
4815 				filter->ether_type, etqf);
4816 		if (ret < 0) {
4817 			PMD_DRV_LOG(ERR, "ethertype filters are full.");
4818 			return -ENOSYS;
4819 		}
4820 	} else {
4821 		ret = igb_ethertype_filter_remove(filter_info, (uint8_t)ret);
4822 		if (ret < 0)
4823 			return -ENOSYS;
4824 	}
4825 	E1000_WRITE_REG(hw, E1000_ETQF(ret), etqf);
4826 	E1000_WRITE_FLUSH(hw);
4827 
4828 	return 0;
4829 }
4830 
4831 static int
4832 igb_get_ethertype_filter(struct rte_eth_dev *dev,
4833 			struct rte_eth_ethertype_filter *filter)
4834 {
4835 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4836 	struct e1000_filter_info *filter_info =
4837 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
4838 	uint32_t etqf;
4839 	int ret;
4840 
4841 	ret = igb_ethertype_filter_lookup(filter_info, filter->ether_type);
4842 	if (ret < 0) {
4843 		PMD_DRV_LOG(ERR, "ethertype (0x%04x) filter doesn't exist.",
4844 			    filter->ether_type);
4845 		return -ENOENT;
4846 	}
4847 
4848 	etqf = E1000_READ_REG(hw, E1000_ETQF(ret));
4849 	if (etqf & E1000_ETQF_FILTER_ENABLE) {
4850 		filter->ether_type = etqf & E1000_ETQF_ETHERTYPE;
4851 		filter->flags = 0;
4852 		filter->queue = (etqf & E1000_ETQF_QUEUE) >>
4853 				E1000_ETQF_QUEUE_SHIFT;
4854 		return 0;
4855 	}
4856 
4857 	return -ENOENT;
4858 }
4859 
4860 /*
4861  * igb_ethertype_filter_handle - Handle operations for ethertype filter.
4862  * @dev: pointer to rte_eth_dev structure
4863  * @filter_op:operation will be taken.
4864  * @arg: a pointer to specific structure corresponding to the filter_op
4865  */
4866 static int
4867 igb_ethertype_filter_handle(struct rte_eth_dev *dev,
4868 				enum rte_filter_op filter_op,
4869 				void *arg)
4870 {
4871 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4872 	int ret;
4873 
4874 	MAC_TYPE_FILTER_SUP(hw->mac.type);
4875 
4876 	if (filter_op == RTE_ETH_FILTER_NOP)
4877 		return 0;
4878 
4879 	if (arg == NULL) {
4880 		PMD_DRV_LOG(ERR, "arg shouldn't be NULL for operation %u.",
4881 			    filter_op);
4882 		return -EINVAL;
4883 	}
4884 
4885 	switch (filter_op) {
4886 	case RTE_ETH_FILTER_ADD:
4887 		ret = igb_add_del_ethertype_filter(dev,
4888 			(struct rte_eth_ethertype_filter *)arg,
4889 			TRUE);
4890 		break;
4891 	case RTE_ETH_FILTER_DELETE:
4892 		ret = igb_add_del_ethertype_filter(dev,
4893 			(struct rte_eth_ethertype_filter *)arg,
4894 			FALSE);
4895 		break;
4896 	case RTE_ETH_FILTER_GET:
4897 		ret = igb_get_ethertype_filter(dev,
4898 			(struct rte_eth_ethertype_filter *)arg);
4899 		break;
4900 	default:
4901 		PMD_DRV_LOG(ERR, "unsupported operation %u.", filter_op);
4902 		ret = -EINVAL;
4903 		break;
4904 	}
4905 	return ret;
4906 }
4907 
4908 static int
4909 eth_igb_filter_ctrl(struct rte_eth_dev *dev,
4910 		     enum rte_filter_type filter_type,
4911 		     enum rte_filter_op filter_op,
4912 		     void *arg)
4913 {
4914 	int ret = 0;
4915 
4916 	switch (filter_type) {
4917 	case RTE_ETH_FILTER_NTUPLE:
4918 		ret = igb_ntuple_filter_handle(dev, filter_op, arg);
4919 		break;
4920 	case RTE_ETH_FILTER_ETHERTYPE:
4921 		ret = igb_ethertype_filter_handle(dev, filter_op, arg);
4922 		break;
4923 	case RTE_ETH_FILTER_SYN:
4924 		ret = eth_igb_syn_filter_handle(dev, filter_op, arg);
4925 		break;
4926 	case RTE_ETH_FILTER_FLEXIBLE:
4927 		ret = eth_igb_flex_filter_handle(dev, filter_op, arg);
4928 		break;
4929 	case RTE_ETH_FILTER_GENERIC:
4930 		if (filter_op != RTE_ETH_FILTER_GET)
4931 			return -EINVAL;
4932 		*(const void **)arg = &igb_flow_ops;
4933 		break;
4934 	default:
4935 		PMD_DRV_LOG(WARNING, "Filter type (%d) not supported",
4936 							filter_type);
4937 		break;
4938 	}
4939 
4940 	return ret;
4941 }
4942 
4943 static int
4944 eth_igb_set_mc_addr_list(struct rte_eth_dev *dev,
4945 			 struct rte_ether_addr *mc_addr_set,
4946 			 uint32_t nb_mc_addr)
4947 {
4948 	struct e1000_hw *hw;
4949 
4950 	hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4951 	e1000_update_mc_addr_list(hw, (u8 *)mc_addr_set, nb_mc_addr);
4952 	return 0;
4953 }
4954 
4955 static uint64_t
4956 igb_read_systime_cyclecounter(struct rte_eth_dev *dev)
4957 {
4958 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4959 	uint64_t systime_cycles;
4960 
4961 	switch (hw->mac.type) {
4962 	case e1000_i210:
4963 	case e1000_i211:
4964 		/*
4965 		 * Need to read System Time Residue Register to be able
4966 		 * to read the other two registers.
4967 		 */
4968 		E1000_READ_REG(hw, E1000_SYSTIMR);
4969 		/* SYSTIMEL stores ns and SYSTIMEH stores seconds. */
4970 		systime_cycles = (uint64_t)E1000_READ_REG(hw, E1000_SYSTIML);
4971 		systime_cycles += (uint64_t)E1000_READ_REG(hw, E1000_SYSTIMH)
4972 				* NSEC_PER_SEC;
4973 		break;
4974 	case e1000_82580:
4975 	case e1000_i350:
4976 	case e1000_i354:
4977 		/*
4978 		 * Need to read System Time Residue Register to be able
4979 		 * to read the other two registers.
4980 		 */
4981 		E1000_READ_REG(hw, E1000_SYSTIMR);
4982 		systime_cycles = (uint64_t)E1000_READ_REG(hw, E1000_SYSTIML);
4983 		/* Only the 8 LSB are valid. */
4984 		systime_cycles |= (uint64_t)(E1000_READ_REG(hw, E1000_SYSTIMH)
4985 				& 0xff) << 32;
4986 		break;
4987 	default:
4988 		systime_cycles = (uint64_t)E1000_READ_REG(hw, E1000_SYSTIML);
4989 		systime_cycles |= (uint64_t)E1000_READ_REG(hw, E1000_SYSTIMH)
4990 				<< 32;
4991 		break;
4992 	}
4993 
4994 	return systime_cycles;
4995 }
4996 
4997 static uint64_t
4998 igb_read_rx_tstamp_cyclecounter(struct rte_eth_dev *dev)
4999 {
5000 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5001 	uint64_t rx_tstamp_cycles;
5002 
5003 	switch (hw->mac.type) {
5004 	case e1000_i210:
5005 	case e1000_i211:
5006 		/* RXSTMPL stores ns and RXSTMPH stores seconds. */
5007 		rx_tstamp_cycles = (uint64_t)E1000_READ_REG(hw, E1000_RXSTMPL);
5008 		rx_tstamp_cycles += (uint64_t)E1000_READ_REG(hw, E1000_RXSTMPH)
5009 				* NSEC_PER_SEC;
5010 		break;
5011 	case e1000_82580:
5012 	case e1000_i350:
5013 	case e1000_i354:
5014 		rx_tstamp_cycles = (uint64_t)E1000_READ_REG(hw, E1000_RXSTMPL);
5015 		/* Only the 8 LSB are valid. */
5016 		rx_tstamp_cycles |= (uint64_t)(E1000_READ_REG(hw, E1000_RXSTMPH)
5017 				& 0xff) << 32;
5018 		break;
5019 	default:
5020 		rx_tstamp_cycles = (uint64_t)E1000_READ_REG(hw, E1000_RXSTMPL);
5021 		rx_tstamp_cycles |= (uint64_t)E1000_READ_REG(hw, E1000_RXSTMPH)
5022 				<< 32;
5023 		break;
5024 	}
5025 
5026 	return rx_tstamp_cycles;
5027 }
5028 
5029 static uint64_t
5030 igb_read_tx_tstamp_cyclecounter(struct rte_eth_dev *dev)
5031 {
5032 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5033 	uint64_t tx_tstamp_cycles;
5034 
5035 	switch (hw->mac.type) {
5036 	case e1000_i210:
5037 	case e1000_i211:
5038 		/* RXSTMPL stores ns and RXSTMPH stores seconds. */
5039 		tx_tstamp_cycles = (uint64_t)E1000_READ_REG(hw, E1000_TXSTMPL);
5040 		tx_tstamp_cycles += (uint64_t)E1000_READ_REG(hw, E1000_TXSTMPH)
5041 				* NSEC_PER_SEC;
5042 		break;
5043 	case e1000_82580:
5044 	case e1000_i350:
5045 	case e1000_i354:
5046 		tx_tstamp_cycles = (uint64_t)E1000_READ_REG(hw, E1000_TXSTMPL);
5047 		/* Only the 8 LSB are valid. */
5048 		tx_tstamp_cycles |= (uint64_t)(E1000_READ_REG(hw, E1000_TXSTMPH)
5049 				& 0xff) << 32;
5050 		break;
5051 	default:
5052 		tx_tstamp_cycles = (uint64_t)E1000_READ_REG(hw, E1000_TXSTMPL);
5053 		tx_tstamp_cycles |= (uint64_t)E1000_READ_REG(hw, E1000_TXSTMPH)
5054 				<< 32;
5055 		break;
5056 	}
5057 
5058 	return tx_tstamp_cycles;
5059 }
5060 
5061 static void
5062 igb_start_timecounters(struct rte_eth_dev *dev)
5063 {
5064 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5065 	struct e1000_adapter *adapter = dev->data->dev_private;
5066 	uint32_t incval = 1;
5067 	uint32_t shift = 0;
5068 	uint64_t mask = E1000_CYCLECOUNTER_MASK;
5069 
5070 	switch (hw->mac.type) {
5071 	case e1000_82580:
5072 	case e1000_i350:
5073 	case e1000_i354:
5074 		/* 32 LSB bits + 8 MSB bits = 40 bits */
5075 		mask = (1ULL << 40) - 1;
5076 		/* fall-through */
5077 	case e1000_i210:
5078 	case e1000_i211:
5079 		/*
5080 		 * Start incrementing the register
5081 		 * used to timestamp PTP packets.
5082 		 */
5083 		E1000_WRITE_REG(hw, E1000_TIMINCA, incval);
5084 		break;
5085 	case e1000_82576:
5086 		incval = E1000_INCVALUE_82576;
5087 		shift = IGB_82576_TSYNC_SHIFT;
5088 		E1000_WRITE_REG(hw, E1000_TIMINCA,
5089 				E1000_INCPERIOD_82576 | incval);
5090 		break;
5091 	default:
5092 		/* Not supported */
5093 		return;
5094 	}
5095 
5096 	memset(&adapter->systime_tc, 0, sizeof(struct rte_timecounter));
5097 	memset(&adapter->rx_tstamp_tc, 0, sizeof(struct rte_timecounter));
5098 	memset(&adapter->tx_tstamp_tc, 0, sizeof(struct rte_timecounter));
5099 
5100 	adapter->systime_tc.cc_mask = mask;
5101 	adapter->systime_tc.cc_shift = shift;
5102 	adapter->systime_tc.nsec_mask = (1ULL << shift) - 1;
5103 
5104 	adapter->rx_tstamp_tc.cc_mask = mask;
5105 	adapter->rx_tstamp_tc.cc_shift = shift;
5106 	adapter->rx_tstamp_tc.nsec_mask = (1ULL << shift) - 1;
5107 
5108 	adapter->tx_tstamp_tc.cc_mask = mask;
5109 	adapter->tx_tstamp_tc.cc_shift = shift;
5110 	adapter->tx_tstamp_tc.nsec_mask = (1ULL << shift) - 1;
5111 }
5112 
5113 static int
5114 igb_timesync_adjust_time(struct rte_eth_dev *dev, int64_t delta)
5115 {
5116 	struct e1000_adapter *adapter = dev->data->dev_private;
5117 
5118 	adapter->systime_tc.nsec += delta;
5119 	adapter->rx_tstamp_tc.nsec += delta;
5120 	adapter->tx_tstamp_tc.nsec += delta;
5121 
5122 	return 0;
5123 }
5124 
5125 static int
5126 igb_timesync_write_time(struct rte_eth_dev *dev, const struct timespec *ts)
5127 {
5128 	uint64_t ns;
5129 	struct e1000_adapter *adapter = dev->data->dev_private;
5130 
5131 	ns = rte_timespec_to_ns(ts);
5132 
5133 	/* Set the timecounters to a new value. */
5134 	adapter->systime_tc.nsec = ns;
5135 	adapter->rx_tstamp_tc.nsec = ns;
5136 	adapter->tx_tstamp_tc.nsec = ns;
5137 
5138 	return 0;
5139 }
5140 
5141 static int
5142 igb_timesync_read_time(struct rte_eth_dev *dev, struct timespec *ts)
5143 {
5144 	uint64_t ns, systime_cycles;
5145 	struct e1000_adapter *adapter = dev->data->dev_private;
5146 
5147 	systime_cycles = igb_read_systime_cyclecounter(dev);
5148 	ns = rte_timecounter_update(&adapter->systime_tc, systime_cycles);
5149 	*ts = rte_ns_to_timespec(ns);
5150 
5151 	return 0;
5152 }
5153 
5154 static int
5155 igb_timesync_enable(struct rte_eth_dev *dev)
5156 {
5157 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5158 	uint32_t tsync_ctl;
5159 	uint32_t tsauxc;
5160 
5161 	/* Stop the timesync system time. */
5162 	E1000_WRITE_REG(hw, E1000_TIMINCA, 0x0);
5163 	/* Reset the timesync system time value. */
5164 	switch (hw->mac.type) {
5165 	case e1000_82580:
5166 	case e1000_i350:
5167 	case e1000_i354:
5168 	case e1000_i210:
5169 	case e1000_i211:
5170 		E1000_WRITE_REG(hw, E1000_SYSTIMR, 0x0);
5171 		/* fall-through */
5172 	case e1000_82576:
5173 		E1000_WRITE_REG(hw, E1000_SYSTIML, 0x0);
5174 		E1000_WRITE_REG(hw, E1000_SYSTIMH, 0x0);
5175 		break;
5176 	default:
5177 		/* Not supported. */
5178 		return -ENOTSUP;
5179 	}
5180 
5181 	/* Enable system time for it isn't on by default. */
5182 	tsauxc = E1000_READ_REG(hw, E1000_TSAUXC);
5183 	tsauxc &= ~E1000_TSAUXC_DISABLE_SYSTIME;
5184 	E1000_WRITE_REG(hw, E1000_TSAUXC, tsauxc);
5185 
5186 	igb_start_timecounters(dev);
5187 
5188 	/* Enable L2 filtering of IEEE1588/802.1AS Ethernet frame types. */
5189 	E1000_WRITE_REG(hw, E1000_ETQF(E1000_ETQF_FILTER_1588),
5190 			(RTE_ETHER_TYPE_1588 |
5191 			 E1000_ETQF_FILTER_ENABLE |
5192 			 E1000_ETQF_1588));
5193 
5194 	/* Enable timestamping of received PTP packets. */
5195 	tsync_ctl = E1000_READ_REG(hw, E1000_TSYNCRXCTL);
5196 	tsync_ctl |= E1000_TSYNCRXCTL_ENABLED;
5197 	E1000_WRITE_REG(hw, E1000_TSYNCRXCTL, tsync_ctl);
5198 
5199 	/* Enable Timestamping of transmitted PTP packets. */
5200 	tsync_ctl = E1000_READ_REG(hw, E1000_TSYNCTXCTL);
5201 	tsync_ctl |= E1000_TSYNCTXCTL_ENABLED;
5202 	E1000_WRITE_REG(hw, E1000_TSYNCTXCTL, tsync_ctl);
5203 
5204 	return 0;
5205 }
5206 
5207 static int
5208 igb_timesync_disable(struct rte_eth_dev *dev)
5209 {
5210 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5211 	uint32_t tsync_ctl;
5212 
5213 	/* Disable timestamping of transmitted PTP packets. */
5214 	tsync_ctl = E1000_READ_REG(hw, E1000_TSYNCTXCTL);
5215 	tsync_ctl &= ~E1000_TSYNCTXCTL_ENABLED;
5216 	E1000_WRITE_REG(hw, E1000_TSYNCTXCTL, tsync_ctl);
5217 
5218 	/* Disable timestamping of received PTP packets. */
5219 	tsync_ctl = E1000_READ_REG(hw, E1000_TSYNCRXCTL);
5220 	tsync_ctl &= ~E1000_TSYNCRXCTL_ENABLED;
5221 	E1000_WRITE_REG(hw, E1000_TSYNCRXCTL, tsync_ctl);
5222 
5223 	/* Disable L2 filtering of IEEE1588/802.1AS Ethernet frame types. */
5224 	E1000_WRITE_REG(hw, E1000_ETQF(E1000_ETQF_FILTER_1588), 0);
5225 
5226 	/* Stop incrementating the System Time registers. */
5227 	E1000_WRITE_REG(hw, E1000_TIMINCA, 0);
5228 
5229 	return 0;
5230 }
5231 
5232 static int
5233 igb_timesync_read_rx_timestamp(struct rte_eth_dev *dev,
5234 			       struct timespec *timestamp,
5235 			       uint32_t flags __rte_unused)
5236 {
5237 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5238 	struct e1000_adapter *adapter = dev->data->dev_private;
5239 	uint32_t tsync_rxctl;
5240 	uint64_t rx_tstamp_cycles;
5241 	uint64_t ns;
5242 
5243 	tsync_rxctl = E1000_READ_REG(hw, E1000_TSYNCRXCTL);
5244 	if ((tsync_rxctl & E1000_TSYNCRXCTL_VALID) == 0)
5245 		return -EINVAL;
5246 
5247 	rx_tstamp_cycles = igb_read_rx_tstamp_cyclecounter(dev);
5248 	ns = rte_timecounter_update(&adapter->rx_tstamp_tc, rx_tstamp_cycles);
5249 	*timestamp = rte_ns_to_timespec(ns);
5250 
5251 	return  0;
5252 }
5253 
5254 static int
5255 igb_timesync_read_tx_timestamp(struct rte_eth_dev *dev,
5256 			       struct timespec *timestamp)
5257 {
5258 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5259 	struct e1000_adapter *adapter = dev->data->dev_private;
5260 	uint32_t tsync_txctl;
5261 	uint64_t tx_tstamp_cycles;
5262 	uint64_t ns;
5263 
5264 	tsync_txctl = E1000_READ_REG(hw, E1000_TSYNCTXCTL);
5265 	if ((tsync_txctl & E1000_TSYNCTXCTL_VALID) == 0)
5266 		return -EINVAL;
5267 
5268 	tx_tstamp_cycles = igb_read_tx_tstamp_cyclecounter(dev);
5269 	ns = rte_timecounter_update(&adapter->tx_tstamp_tc, tx_tstamp_cycles);
5270 	*timestamp = rte_ns_to_timespec(ns);
5271 
5272 	return  0;
5273 }
5274 
5275 static int
5276 eth_igb_get_reg_length(struct rte_eth_dev *dev __rte_unused)
5277 {
5278 	int count = 0;
5279 	int g_ind = 0;
5280 	const struct reg_info *reg_group;
5281 
5282 	while ((reg_group = igb_regs[g_ind++]))
5283 		count += igb_reg_group_count(reg_group);
5284 
5285 	return count;
5286 }
5287 
5288 static int
5289 igbvf_get_reg_length(struct rte_eth_dev *dev __rte_unused)
5290 {
5291 	int count = 0;
5292 	int g_ind = 0;
5293 	const struct reg_info *reg_group;
5294 
5295 	while ((reg_group = igbvf_regs[g_ind++]))
5296 		count += igb_reg_group_count(reg_group);
5297 
5298 	return count;
5299 }
5300 
5301 static int
5302 eth_igb_get_regs(struct rte_eth_dev *dev,
5303 	struct rte_dev_reg_info *regs)
5304 {
5305 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5306 	uint32_t *data = regs->data;
5307 	int g_ind = 0;
5308 	int count = 0;
5309 	const struct reg_info *reg_group;
5310 
5311 	if (data == NULL) {
5312 		regs->length = eth_igb_get_reg_length(dev);
5313 		regs->width = sizeof(uint32_t);
5314 		return 0;
5315 	}
5316 
5317 	/* Support only full register dump */
5318 	if ((regs->length == 0) ||
5319 	    (regs->length == (uint32_t)eth_igb_get_reg_length(dev))) {
5320 		regs->version = hw->mac.type << 24 | hw->revision_id << 16 |
5321 			hw->device_id;
5322 		while ((reg_group = igb_regs[g_ind++]))
5323 			count += igb_read_regs_group(dev, &data[count],
5324 							reg_group);
5325 		return 0;
5326 	}
5327 
5328 	return -ENOTSUP;
5329 }
5330 
5331 static int
5332 igbvf_get_regs(struct rte_eth_dev *dev,
5333 	struct rte_dev_reg_info *regs)
5334 {
5335 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5336 	uint32_t *data = regs->data;
5337 	int g_ind = 0;
5338 	int count = 0;
5339 	const struct reg_info *reg_group;
5340 
5341 	if (data == NULL) {
5342 		regs->length = igbvf_get_reg_length(dev);
5343 		regs->width = sizeof(uint32_t);
5344 		return 0;
5345 	}
5346 
5347 	/* Support only full register dump */
5348 	if ((regs->length == 0) ||
5349 	    (regs->length == (uint32_t)igbvf_get_reg_length(dev))) {
5350 		regs->version = hw->mac.type << 24 | hw->revision_id << 16 |
5351 			hw->device_id;
5352 		while ((reg_group = igbvf_regs[g_ind++]))
5353 			count += igb_read_regs_group(dev, &data[count],
5354 							reg_group);
5355 		return 0;
5356 	}
5357 
5358 	return -ENOTSUP;
5359 }
5360 
5361 static int
5362 eth_igb_get_eeprom_length(struct rte_eth_dev *dev)
5363 {
5364 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5365 
5366 	/* Return unit is byte count */
5367 	return hw->nvm.word_size * 2;
5368 }
5369 
5370 static int
5371 eth_igb_get_eeprom(struct rte_eth_dev *dev,
5372 	struct rte_dev_eeprom_info *in_eeprom)
5373 {
5374 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5375 	struct e1000_nvm_info *nvm = &hw->nvm;
5376 	uint16_t *data = in_eeprom->data;
5377 	int first, length;
5378 
5379 	first = in_eeprom->offset >> 1;
5380 	length = in_eeprom->length >> 1;
5381 	if ((first >= hw->nvm.word_size) ||
5382 	    ((first + length) >= hw->nvm.word_size))
5383 		return -EINVAL;
5384 
5385 	in_eeprom->magic = hw->vendor_id |
5386 		((uint32_t)hw->device_id << 16);
5387 
5388 	if ((nvm->ops.read) == NULL)
5389 		return -ENOTSUP;
5390 
5391 	return nvm->ops.read(hw, first, length, data);
5392 }
5393 
5394 static int
5395 eth_igb_set_eeprom(struct rte_eth_dev *dev,
5396 	struct rte_dev_eeprom_info *in_eeprom)
5397 {
5398 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5399 	struct e1000_nvm_info *nvm = &hw->nvm;
5400 	uint16_t *data = in_eeprom->data;
5401 	int first, length;
5402 
5403 	first = in_eeprom->offset >> 1;
5404 	length = in_eeprom->length >> 1;
5405 	if ((first >= hw->nvm.word_size) ||
5406 	    ((first + length) >= hw->nvm.word_size))
5407 		return -EINVAL;
5408 
5409 	in_eeprom->magic = (uint32_t)hw->vendor_id |
5410 		((uint32_t)hw->device_id << 16);
5411 
5412 	if ((nvm->ops.write) == NULL)
5413 		return -ENOTSUP;
5414 	return nvm->ops.write(hw,  first, length, data);
5415 }
5416 
5417 static int
5418 eth_igb_get_module_info(struct rte_eth_dev *dev,
5419 			struct rte_eth_dev_module_info *modinfo)
5420 {
5421 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5422 
5423 	uint32_t status = 0;
5424 	uint16_t sff8472_rev, addr_mode;
5425 	bool page_swap = false;
5426 
5427 	if (hw->phy.media_type == e1000_media_type_copper ||
5428 	    hw->phy.media_type == e1000_media_type_unknown)
5429 		return -EOPNOTSUPP;
5430 
5431 	/* Check whether we support SFF-8472 or not */
5432 	status = e1000_read_phy_reg_i2c(hw, IGB_SFF_8472_COMP, &sff8472_rev);
5433 	if (status)
5434 		return -EIO;
5435 
5436 	/* addressing mode is not supported */
5437 	status = e1000_read_phy_reg_i2c(hw, IGB_SFF_8472_SWAP, &addr_mode);
5438 	if (status)
5439 		return -EIO;
5440 
5441 	/* addressing mode is not supported */
5442 	if ((addr_mode & 0xFF) & IGB_SFF_ADDRESSING_MODE) {
5443 		PMD_DRV_LOG(ERR,
5444 			    "Address change required to access page 0xA2, "
5445 			    "but not supported. Please report the module "
5446 			    "type to the driver maintainers.\n");
5447 		page_swap = true;
5448 	}
5449 
5450 	if ((sff8472_rev & 0xFF) == IGB_SFF_8472_UNSUP || page_swap) {
5451 		/* We have an SFP, but it does not support SFF-8472 */
5452 		modinfo->type = RTE_ETH_MODULE_SFF_8079;
5453 		modinfo->eeprom_len = RTE_ETH_MODULE_SFF_8079_LEN;
5454 	} else {
5455 		/* We have an SFP which supports a revision of SFF-8472 */
5456 		modinfo->type = RTE_ETH_MODULE_SFF_8472;
5457 		modinfo->eeprom_len = RTE_ETH_MODULE_SFF_8472_LEN;
5458 	}
5459 
5460 	return 0;
5461 }
5462 
5463 static int
5464 eth_igb_get_module_eeprom(struct rte_eth_dev *dev,
5465 			  struct rte_dev_eeprom_info *info)
5466 {
5467 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5468 
5469 	uint32_t status = 0;
5470 	uint16_t dataword[RTE_ETH_MODULE_SFF_8472_LEN / 2 + 1];
5471 	u16 first_word, last_word;
5472 	int i = 0;
5473 
5474 	if (info->length == 0)
5475 		return -EINVAL;
5476 
5477 	first_word = info->offset >> 1;
5478 	last_word = (info->offset + info->length - 1) >> 1;
5479 
5480 	/* Read EEPROM block, SFF-8079/SFF-8472, word at a time */
5481 	for (i = 0; i < last_word - first_word + 1; i++) {
5482 		status = e1000_read_phy_reg_i2c(hw, (first_word + i) * 2,
5483 						&dataword[i]);
5484 		if (status) {
5485 			/* Error occurred while reading module */
5486 			return -EIO;
5487 		}
5488 
5489 		dataword[i] = rte_be_to_cpu_16(dataword[i]);
5490 	}
5491 
5492 	memcpy(info->data, (u8 *)dataword + (info->offset & 1), info->length);
5493 
5494 	return 0;
5495 }
5496 
5497 static int
5498 eth_igb_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id)
5499 {
5500 	struct e1000_hw *hw =
5501 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5502 	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
5503 	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
5504 	uint32_t vec = E1000_MISC_VEC_ID;
5505 
5506 	if (rte_intr_allow_others(intr_handle))
5507 		vec = E1000_RX_VEC_START;
5508 
5509 	uint32_t mask = 1 << (queue_id + vec);
5510 
5511 	E1000_WRITE_REG(hw, E1000_EIMC, mask);
5512 	E1000_WRITE_FLUSH(hw);
5513 
5514 	return 0;
5515 }
5516 
5517 static int
5518 eth_igb_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
5519 {
5520 	struct e1000_hw *hw =
5521 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5522 	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
5523 	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
5524 	uint32_t vec = E1000_MISC_VEC_ID;
5525 
5526 	if (rte_intr_allow_others(intr_handle))
5527 		vec = E1000_RX_VEC_START;
5528 
5529 	uint32_t mask = 1 << (queue_id + vec);
5530 	uint32_t regval;
5531 
5532 	regval = E1000_READ_REG(hw, E1000_EIMS);
5533 	E1000_WRITE_REG(hw, E1000_EIMS, regval | mask);
5534 	E1000_WRITE_FLUSH(hw);
5535 
5536 	rte_intr_ack(intr_handle);
5537 
5538 	return 0;
5539 }
5540 
5541 static void
5542 eth_igb_write_ivar(struct e1000_hw *hw, uint8_t  msix_vector,
5543 		   uint8_t index, uint8_t offset)
5544 {
5545 	uint32_t val = E1000_READ_REG_ARRAY(hw, E1000_IVAR0, index);
5546 
5547 	/* clear bits */
5548 	val &= ~((uint32_t)0xFF << offset);
5549 
5550 	/* write vector and valid bit */
5551 	val |= (msix_vector | E1000_IVAR_VALID) << offset;
5552 
5553 	E1000_WRITE_REG_ARRAY(hw, E1000_IVAR0, index, val);
5554 }
5555 
5556 static void
5557 eth_igb_assign_msix_vector(struct e1000_hw *hw, int8_t direction,
5558 			   uint8_t queue, uint8_t msix_vector)
5559 {
5560 	uint32_t tmp = 0;
5561 
5562 	if (hw->mac.type == e1000_82575) {
5563 		if (direction == 0)
5564 			tmp = E1000_EICR_RX_QUEUE0 << queue;
5565 		else if (direction == 1)
5566 			tmp = E1000_EICR_TX_QUEUE0 << queue;
5567 		E1000_WRITE_REG(hw, E1000_MSIXBM(msix_vector), tmp);
5568 	} else if (hw->mac.type == e1000_82576) {
5569 		if ((direction == 0) || (direction == 1))
5570 			eth_igb_write_ivar(hw, msix_vector, queue & 0x7,
5571 					   ((queue & 0x8) << 1) +
5572 					   8 * direction);
5573 	} else if ((hw->mac.type == e1000_82580) ||
5574 			(hw->mac.type == e1000_i350) ||
5575 			(hw->mac.type == e1000_i354) ||
5576 			(hw->mac.type == e1000_i210) ||
5577 			(hw->mac.type == e1000_i211)) {
5578 		if ((direction == 0) || (direction == 1))
5579 			eth_igb_write_ivar(hw, msix_vector,
5580 					   queue >> 1,
5581 					   ((queue & 0x1) << 4) +
5582 					   8 * direction);
5583 	}
5584 }
5585 
5586 /* Sets up the hardware to generate MSI-X interrupts properly
5587  * @hw
5588  *  board private structure
5589  */
5590 static void
5591 eth_igb_configure_msix_intr(struct rte_eth_dev *dev)
5592 {
5593 	int queue_id;
5594 	uint32_t tmpval, regval, intr_mask;
5595 	struct e1000_hw *hw =
5596 		E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5597 	uint32_t vec = E1000_MISC_VEC_ID;
5598 	uint32_t base = E1000_MISC_VEC_ID;
5599 	uint32_t misc_shift = 0;
5600 	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
5601 	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
5602 
5603 	/* won't configure msix register if no mapping is done
5604 	 * between intr vector and event fd
5605 	 */
5606 	if (!rte_intr_dp_is_en(intr_handle))
5607 		return;
5608 
5609 	if (rte_intr_allow_others(intr_handle)) {
5610 		vec = base = E1000_RX_VEC_START;
5611 		misc_shift = 1;
5612 	}
5613 
5614 	/* set interrupt vector for other causes */
5615 	if (hw->mac.type == e1000_82575) {
5616 		tmpval = E1000_READ_REG(hw, E1000_CTRL_EXT);
5617 		/* enable MSI-X PBA support */
5618 		tmpval |= E1000_CTRL_EXT_PBA_CLR;
5619 
5620 		/* Auto-Mask interrupts upon ICR read */
5621 		tmpval |= E1000_CTRL_EXT_EIAME;
5622 		tmpval |= E1000_CTRL_EXT_IRCA;
5623 
5624 		E1000_WRITE_REG(hw, E1000_CTRL_EXT, tmpval);
5625 
5626 		/* enable msix_other interrupt */
5627 		E1000_WRITE_REG_ARRAY(hw, E1000_MSIXBM(0), 0, E1000_EIMS_OTHER);
5628 		regval = E1000_READ_REG(hw, E1000_EIAC);
5629 		E1000_WRITE_REG(hw, E1000_EIAC, regval | E1000_EIMS_OTHER);
5630 		regval = E1000_READ_REG(hw, E1000_EIAM);
5631 		E1000_WRITE_REG(hw, E1000_EIMS, regval | E1000_EIMS_OTHER);
5632 	} else if ((hw->mac.type == e1000_82576) ||
5633 			(hw->mac.type == e1000_82580) ||
5634 			(hw->mac.type == e1000_i350) ||
5635 			(hw->mac.type == e1000_i354) ||
5636 			(hw->mac.type == e1000_i210) ||
5637 			(hw->mac.type == e1000_i211)) {
5638 		/* turn on MSI-X capability first */
5639 		E1000_WRITE_REG(hw, E1000_GPIE, E1000_GPIE_MSIX_MODE |
5640 					E1000_GPIE_PBA | E1000_GPIE_EIAME |
5641 					E1000_GPIE_NSICR);
5642 		intr_mask = RTE_LEN2MASK(intr_handle->nb_efd, uint32_t) <<
5643 			misc_shift;
5644 
5645 		if (dev->data->dev_conf.intr_conf.lsc != 0)
5646 			intr_mask |= (1 << IGB_MSIX_OTHER_INTR_VEC);
5647 
5648 		regval = E1000_READ_REG(hw, E1000_EIAC);
5649 		E1000_WRITE_REG(hw, E1000_EIAC, regval | intr_mask);
5650 
5651 		/* enable msix_other interrupt */
5652 		regval = E1000_READ_REG(hw, E1000_EIMS);
5653 		E1000_WRITE_REG(hw, E1000_EIMS, regval | intr_mask);
5654 		tmpval = (IGB_MSIX_OTHER_INTR_VEC | E1000_IVAR_VALID) << 8;
5655 		E1000_WRITE_REG(hw, E1000_IVAR_MISC, tmpval);
5656 	}
5657 
5658 	/* use EIAM to auto-mask when MSI-X interrupt
5659 	 * is asserted, this saves a register write for every interrupt
5660 	 */
5661 	intr_mask = RTE_LEN2MASK(intr_handle->nb_efd, uint32_t) <<
5662 		misc_shift;
5663 
5664 	if (dev->data->dev_conf.intr_conf.lsc != 0)
5665 		intr_mask |= (1 << IGB_MSIX_OTHER_INTR_VEC);
5666 
5667 	regval = E1000_READ_REG(hw, E1000_EIAM);
5668 	E1000_WRITE_REG(hw, E1000_EIAM, regval | intr_mask);
5669 
5670 	for (queue_id = 0; queue_id < dev->data->nb_rx_queues; queue_id++) {
5671 		eth_igb_assign_msix_vector(hw, 0, queue_id, vec);
5672 		intr_handle->intr_vec[queue_id] = vec;
5673 		if (vec < base + intr_handle->nb_efd - 1)
5674 			vec++;
5675 	}
5676 
5677 	E1000_WRITE_FLUSH(hw);
5678 }
5679 
5680 /* restore n-tuple filter */
5681 static inline void
5682 igb_ntuple_filter_restore(struct rte_eth_dev *dev)
5683 {
5684 	struct e1000_filter_info *filter_info =
5685 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
5686 	struct e1000_5tuple_filter *p_5tuple;
5687 	struct e1000_2tuple_filter *p_2tuple;
5688 
5689 	TAILQ_FOREACH(p_5tuple, &filter_info->fivetuple_list, entries) {
5690 		igb_inject_5tuple_filter_82576(dev, p_5tuple);
5691 	}
5692 
5693 	TAILQ_FOREACH(p_2tuple, &filter_info->twotuple_list, entries) {
5694 		igb_inject_2uple_filter(dev, p_2tuple);
5695 	}
5696 }
5697 
5698 /* restore SYN filter */
5699 static inline void
5700 igb_syn_filter_restore(struct rte_eth_dev *dev)
5701 {
5702 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5703 	struct e1000_filter_info *filter_info =
5704 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
5705 	uint32_t synqf;
5706 
5707 	synqf = filter_info->syn_info;
5708 
5709 	if (synqf & E1000_SYN_FILTER_ENABLE) {
5710 		E1000_WRITE_REG(hw, E1000_SYNQF(0), synqf);
5711 		E1000_WRITE_FLUSH(hw);
5712 	}
5713 }
5714 
5715 /* restore ethernet type filter */
5716 static inline void
5717 igb_ethertype_filter_restore(struct rte_eth_dev *dev)
5718 {
5719 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5720 	struct e1000_filter_info *filter_info =
5721 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
5722 	int i;
5723 
5724 	for (i = 0; i < E1000_MAX_ETQF_FILTERS; i++) {
5725 		if (filter_info->ethertype_mask & (1 << i)) {
5726 			E1000_WRITE_REG(hw, E1000_ETQF(i),
5727 				filter_info->ethertype_filters[i].etqf);
5728 			E1000_WRITE_FLUSH(hw);
5729 		}
5730 	}
5731 }
5732 
5733 /* restore flex byte filter */
5734 static inline void
5735 igb_flex_filter_restore(struct rte_eth_dev *dev)
5736 {
5737 	struct e1000_filter_info *filter_info =
5738 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
5739 	struct e1000_flex_filter *flex_filter;
5740 
5741 	TAILQ_FOREACH(flex_filter, &filter_info->flex_list, entries) {
5742 		igb_inject_flex_filter(dev, flex_filter);
5743 	}
5744 }
5745 
5746 /* restore rss filter */
5747 static inline void
5748 igb_rss_filter_restore(struct rte_eth_dev *dev)
5749 {
5750 	struct e1000_filter_info *filter_info =
5751 		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
5752 
5753 	if (filter_info->rss_info.conf.queue_num)
5754 		igb_config_rss_filter(dev, &filter_info->rss_info, TRUE);
5755 }
5756 
5757 /* restore all types filter */
5758 static int
5759 igb_filter_restore(struct rte_eth_dev *dev)
5760 {
5761 	igb_ntuple_filter_restore(dev);
5762 	igb_ethertype_filter_restore(dev);
5763 	igb_syn_filter_restore(dev);
5764 	igb_flex_filter_restore(dev);
5765 	igb_rss_filter_restore(dev);
5766 
5767 	return 0;
5768 }
5769 
5770 RTE_PMD_REGISTER_PCI(net_e1000_igb, rte_igb_pmd);
5771 RTE_PMD_REGISTER_PCI_TABLE(net_e1000_igb, pci_id_igb_map);
5772 RTE_PMD_REGISTER_KMOD_DEP(net_e1000_igb, "* igb_uio | uio_pci_generic | vfio-pci");
5773 RTE_PMD_REGISTER_PCI(net_e1000_igb_vf, rte_igbvf_pmd);
5774 RTE_PMD_REGISTER_PCI_TABLE(net_e1000_igb_vf, pci_id_igbvf_map);
5775 RTE_PMD_REGISTER_KMOD_DEP(net_e1000_igb_vf, "* igb_uio | vfio-pci");
5776 
5777 /* see e1000_logs.c */
5778 RTE_INIT(e1000_init_log)
5779 {
5780 	e1000_igb_init_log();
5781 }
5782