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9a799d71 AK |
1 | /******************************************************************************* |
2 | ||
3 | Intel 10 Gigabit PCI Express Linux driver | |
94971820 | 4 | Copyright(c) 1999 - 2012 Intel Corporation. |
9a799d71 AK |
5 | |
6 | This program is free software; you can redistribute it and/or modify it | |
7 | under the terms and conditions of the GNU General Public License, | |
8 | version 2, as published by the Free Software Foundation. | |
9 | ||
10 | This program is distributed in the hope it will be useful, but WITHOUT | |
11 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
12 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
13 | more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License along with | |
16 | this program; if not, write to the Free Software Foundation, Inc., | |
17 | 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. | |
18 | ||
19 | The full GNU General Public License is included in this distribution in | |
20 | the file called "COPYING". | |
21 | ||
22 | Contact Information: | |
9a799d71 AK |
23 | e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> |
24 | Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 | |
25 | ||
26 | *******************************************************************************/ | |
27 | ||
28 | #ifndef _IXGBE_H_ | |
29 | #define _IXGBE_H_ | |
30 | ||
f62bbb5e | 31 | #include <linux/bitops.h> |
9a799d71 AK |
32 | #include <linux/types.h> |
33 | #include <linux/pci.h> | |
34 | #include <linux/netdevice.h> | |
b25ebfd2 | 35 | #include <linux/cpumask.h> |
6fabd715 | 36 | #include <linux/aer.h> |
f62bbb5e | 37 | #include <linux/if_vlan.h> |
9a799d71 | 38 | |
3a6a4eda JK |
39 | #ifdef CONFIG_IXGBE_PTP |
40 | #include <linux/clocksource.h> | |
41 | #include <linux/net_tstamp.h> | |
42 | #include <linux/ptp_clock_kernel.h> | |
43 | #endif /* CONFIG_IXGBE_PTP */ | |
44 | ||
9a799d71 AK |
45 | #include "ixgbe_type.h" |
46 | #include "ixgbe_common.h" | |
2f90b865 | 47 | #include "ixgbe_dcb.h" |
eacd73f7 YZ |
48 | #if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE) |
49 | #define IXGBE_FCOE | |
50 | #include "ixgbe_fcoe.h" | |
51 | #endif /* CONFIG_FCOE or CONFIG_FCOE_MODULE */ | |
5dd2d332 | 52 | #ifdef CONFIG_IXGBE_DCA |
bd0362dd JC |
53 | #include <linux/dca.h> |
54 | #endif | |
9a799d71 | 55 | |
849c4542 ET |
56 | /* common prefix used by pr_<> macros */ |
57 | #undef pr_fmt | |
58 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | |
9a799d71 AK |
59 | |
60 | /* TX/RX descriptor defines */ | |
6bacb300 | 61 | #define IXGBE_DEFAULT_TXD 512 |
59224555 | 62 | #define IXGBE_DEFAULT_TX_WORK 256 |
9a799d71 AK |
63 | #define IXGBE_MAX_TXD 4096 |
64 | #define IXGBE_MIN_TXD 64 | |
65 | ||
6bacb300 | 66 | #define IXGBE_DEFAULT_RXD 512 |
9a799d71 AK |
67 | #define IXGBE_MAX_RXD 4096 |
68 | #define IXGBE_MIN_RXD 64 | |
69 | ||
9a799d71 | 70 | /* flow control */ |
2b9ade93 | 71 | #define IXGBE_MIN_FCRTL 0x40 |
9a799d71 | 72 | #define IXGBE_MAX_FCRTL 0x7FF80 |
2b9ade93 | 73 | #define IXGBE_MIN_FCRTH 0x600 |
9a799d71 | 74 | #define IXGBE_MAX_FCRTH 0x7FFF0 |
2b9ade93 | 75 | #define IXGBE_DEFAULT_FCPAUSE 0xFFFF |
9a799d71 AK |
76 | #define IXGBE_MIN_FCPAUSE 0 |
77 | #define IXGBE_MAX_FCPAUSE 0xFFFF | |
78 | ||
79 | /* Supported Rx Buffer Sizes */ | |
252562c2 | 80 | #define IXGBE_RXBUFFER_256 256 /* Used for skb receive header */ |
09816fbe AD |
81 | #define IXGBE_RXBUFFER_2K 2048 |
82 | #define IXGBE_RXBUFFER_3K 3072 | |
83 | #define IXGBE_RXBUFFER_4K 4096 | |
919e78a6 | 84 | #define IXGBE_MAX_RXBUFFER 16384 /* largest size for a single descriptor */ |
9a799d71 | 85 | |
13958070 | 86 | /* |
252562c2 AD |
87 | * NOTE: netdev_alloc_skb reserves up to 64 bytes, NET_IP_ALIGN means we |
88 | * reserve 64 more, and skb_shared_info adds an additional 320 bytes more, | |
89 | * this adds up to 448 bytes of extra data. | |
90 | * | |
91 | * Since netdev_alloc_skb now allocates a page fragment we can use a value | |
92 | * of 256 and the resultant skb will have a truesize of 960 or less. | |
13958070 | 93 | */ |
252562c2 | 94 | #define IXGBE_RX_HDR_SIZE IXGBE_RXBUFFER_256 |
9a799d71 AK |
95 | |
96 | #define MAXIMUM_ETHERNET_VLAN_SIZE (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN) | |
97 | ||
9a799d71 AK |
98 | /* How many Rx Buffers do we bundle into one write to the hardware ? */ |
99 | #define IXGBE_RX_BUFFER_WRITE 16 /* Must be power of 2 */ | |
100 | ||
101 | #define IXGBE_TX_FLAGS_CSUM (u32)(1) | |
66f32a8b AD |
102 | #define IXGBE_TX_FLAGS_HW_VLAN (u32)(1 << 1) |
103 | #define IXGBE_TX_FLAGS_SW_VLAN (u32)(1 << 2) | |
104 | #define IXGBE_TX_FLAGS_TSO (u32)(1 << 3) | |
105 | #define IXGBE_TX_FLAGS_IPV4 (u32)(1 << 4) | |
106 | #define IXGBE_TX_FLAGS_FCOE (u32)(1 << 5) | |
107 | #define IXGBE_TX_FLAGS_FSO (u32)(1 << 6) | |
7f9643fd | 108 | #define IXGBE_TX_FLAGS_TXSW (u32)(1 << 7) |
3a6a4eda | 109 | #define IXGBE_TX_FLAGS_TSTAMP (u32)(1 << 8) |
62748b7b | 110 | #define IXGBE_TX_FLAGS_NO_IFCS (u32)(1 << 9) |
9a799d71 | 111 | #define IXGBE_TX_FLAGS_VLAN_MASK 0xffff0000 |
66f32a8b AD |
112 | #define IXGBE_TX_FLAGS_VLAN_PRIO_MASK 0xe0000000 |
113 | #define IXGBE_TX_FLAGS_VLAN_PRIO_SHIFT 29 | |
9a799d71 AK |
114 | #define IXGBE_TX_FLAGS_VLAN_SHIFT 16 |
115 | ||
7f870475 GR |
116 | #define IXGBE_MAX_VF_MC_ENTRIES 30 |
117 | #define IXGBE_MAX_VF_FUNCTIONS 64 | |
118 | #define IXGBE_MAX_VFTA_ENTRIES 128 | |
119 | #define MAX_EMULATION_MAC_ADDRS 16 | |
a1cbb15c | 120 | #define IXGBE_MAX_PF_MACVLANS 15 |
1d9c0bfd | 121 | #define VMDQ_P(p) ((p) + adapter->ring_feature[RING_F_VMDQ].offset) |
83c61fa9 GR |
122 | #define IXGBE_82599_VF_DEVICE_ID 0x10ED |
123 | #define IXGBE_X540_VF_DEVICE_ID 0x1515 | |
7f870475 GR |
124 | |
125 | struct vf_data_storage { | |
126 | unsigned char vf_mac_addresses[ETH_ALEN]; | |
127 | u16 vf_mc_hashes[IXGBE_MAX_VF_MC_ENTRIES]; | |
128 | u16 num_vf_mc_hashes; | |
129 | u16 default_vf_vlan_id; | |
130 | u16 vlans_enabled; | |
7f870475 | 131 | bool clear_to_send; |
7f01648a | 132 | bool pf_set_mac; |
7f01648a GR |
133 | u16 pf_vlan; /* When set, guest VLAN config not allowed. */ |
134 | u16 pf_qos; | |
ff4ab206 | 135 | u16 tx_rate; |
de4c7f65 GR |
136 | u16 vlan_count; |
137 | u8 spoofchk_enabled; | |
7f870475 GR |
138 | }; |
139 | ||
a1cbb15c GR |
140 | struct vf_macvlans { |
141 | struct list_head l; | |
142 | int vf; | |
143 | int rar_entry; | |
144 | bool free; | |
145 | bool is_macvlan; | |
146 | u8 vf_macvlan[ETH_ALEN]; | |
147 | }; | |
148 | ||
a535c30e AD |
149 | #define IXGBE_MAX_TXD_PWR 14 |
150 | #define IXGBE_MAX_DATA_PER_TXD (1 << IXGBE_MAX_TXD_PWR) | |
151 | ||
152 | /* Tx Descriptors needed, worst case */ | |
153 | #define TXD_USE_COUNT(S) DIV_ROUND_UP((S), IXGBE_MAX_DATA_PER_TXD) | |
154 | #define DESC_NEEDED ((MAX_SKB_FRAGS * TXD_USE_COUNT(PAGE_SIZE)) + 4) | |
155 | ||
9a799d71 AK |
156 | /* wrapper around a pointer to a socket buffer, |
157 | * so a DMA handle can be stored along with the buffer */ | |
158 | struct ixgbe_tx_buffer { | |
d3d00239 | 159 | union ixgbe_adv_tx_desc *next_to_watch; |
9a799d71 | 160 | unsigned long time_stamp; |
fd0db0ed AD |
161 | struct sk_buff *skb; |
162 | unsigned int bytecount; | |
163 | unsigned short gso_segs; | |
244e27ad | 164 | __be16 protocol; |
729739b7 AD |
165 | DEFINE_DMA_UNMAP_ADDR(dma); |
166 | DEFINE_DMA_UNMAP_LEN(len); | |
d3d00239 | 167 | u32 tx_flags; |
9a799d71 AK |
168 | }; |
169 | ||
170 | struct ixgbe_rx_buffer { | |
171 | struct sk_buff *skb; | |
172 | dma_addr_t dma; | |
173 | struct page *page; | |
762f4c57 | 174 | unsigned int page_offset; |
9a799d71 AK |
175 | }; |
176 | ||
177 | struct ixgbe_queue_stats { | |
178 | u64 packets; | |
179 | u64 bytes; | |
180 | }; | |
181 | ||
5b7da515 AD |
182 | struct ixgbe_tx_queue_stats { |
183 | u64 restart_queue; | |
184 | u64 tx_busy; | |
c84d324c | 185 | u64 tx_done_old; |
5b7da515 AD |
186 | }; |
187 | ||
188 | struct ixgbe_rx_queue_stats { | |
189 | u64 rsc_count; | |
190 | u64 rsc_flush; | |
191 | u64 non_eop_descs; | |
192 | u64 alloc_rx_page_failed; | |
193 | u64 alloc_rx_buff_failed; | |
8a0da21b | 194 | u64 csum_err; |
5b7da515 AD |
195 | }; |
196 | ||
f800326d | 197 | enum ixgbe_ring_state_t { |
7d637bcc AD |
198 | __IXGBE_TX_FDIR_INIT_DONE, |
199 | __IXGBE_TX_DETECT_HANG, | |
c84d324c | 200 | __IXGBE_HANG_CHECK_ARMED, |
7d637bcc | 201 | __IXGBE_RX_RSC_ENABLED, |
8a0da21b | 202 | __IXGBE_RX_CSUM_UDP_ZERO_ERR, |
57efd44c | 203 | __IXGBE_RX_FCOE, |
7d637bcc AD |
204 | }; |
205 | ||
7d637bcc AD |
206 | #define check_for_tx_hang(ring) \ |
207 | test_bit(__IXGBE_TX_DETECT_HANG, &(ring)->state) | |
208 | #define set_check_for_tx_hang(ring) \ | |
209 | set_bit(__IXGBE_TX_DETECT_HANG, &(ring)->state) | |
210 | #define clear_check_for_tx_hang(ring) \ | |
211 | clear_bit(__IXGBE_TX_DETECT_HANG, &(ring)->state) | |
212 | #define ring_is_rsc_enabled(ring) \ | |
213 | test_bit(__IXGBE_RX_RSC_ENABLED, &(ring)->state) | |
214 | #define set_ring_rsc_enabled(ring) \ | |
215 | set_bit(__IXGBE_RX_RSC_ENABLED, &(ring)->state) | |
216 | #define clear_ring_rsc_enabled(ring) \ | |
217 | clear_bit(__IXGBE_RX_RSC_ENABLED, &(ring)->state) | |
9a799d71 | 218 | struct ixgbe_ring { |
efe3d3c8 | 219 | struct ixgbe_ring *next; /* pointer to next ring in q_vector */ |
d3ee4294 AD |
220 | struct ixgbe_q_vector *q_vector; /* backpointer to host q_vector */ |
221 | struct net_device *netdev; /* netdev ring belongs to */ | |
222 | struct device *dev; /* device for DMA mapping */ | |
9a799d71 | 223 | void *desc; /* descriptor ring memory */ |
9a799d71 AK |
224 | union { |
225 | struct ixgbe_tx_buffer *tx_buffer_info; | |
226 | struct ixgbe_rx_buffer *rx_buffer_info; | |
227 | }; | |
7d637bcc | 228 | unsigned long state; |
bd198058 | 229 | u8 __iomem *tail; |
d3ee4294 AD |
230 | dma_addr_t dma; /* phys. address of descriptor ring */ |
231 | unsigned int size; /* length in bytes */ | |
bd198058 | 232 | |
ae540af1 | 233 | u16 count; /* amount of descriptors */ |
ae540af1 JB |
234 | |
235 | u8 queue_index; /* needed for multiqueue queue management */ | |
7d637bcc AD |
236 | u8 reg_idx; /* holds the special value that gets |
237 | * the hardware register offset | |
238 | * associated with this ring, which is | |
239 | * different for DCB and RSS modes | |
240 | */ | |
d3ee4294 AD |
241 | u16 next_to_use; |
242 | u16 next_to_clean; | |
243 | ||
f800326d | 244 | union { |
d3ee4294 | 245 | u16 next_to_alloc; |
f800326d AD |
246 | struct { |
247 | u8 atr_sample_rate; | |
248 | u8 atr_count; | |
249 | }; | |
f800326d | 250 | }; |
9a799d71 | 251 | |
bd198058 | 252 | u8 dcb_tc; |
9a799d71 | 253 | struct ixgbe_queue_stats stats; |
de1036b1 | 254 | struct u64_stats_sync syncp; |
5b7da515 AD |
255 | union { |
256 | struct ixgbe_tx_queue_stats tx_stats; | |
257 | struct ixgbe_rx_queue_stats rx_stats; | |
258 | }; | |
7ca3bc58 | 259 | } ____cacheline_internodealigned_in_smp; |
9a799d71 | 260 | |
c7e4358a SN |
261 | enum ixgbe_ring_f_enum { |
262 | RING_F_NONE = 0, | |
7f870475 | 263 | RING_F_VMDQ, /* SR-IOV uses the same ring feature */ |
c7e4358a | 264 | RING_F_RSS, |
c4cf55e5 | 265 | RING_F_FDIR, |
0331a832 YZ |
266 | #ifdef IXGBE_FCOE |
267 | RING_F_FCOE, | |
268 | #endif /* IXGBE_FCOE */ | |
c7e4358a SN |
269 | |
270 | RING_F_ARRAY_SIZE /* must be last in enum set */ | |
271 | }; | |
272 | ||
021230d4 | 273 | #define IXGBE_MAX_RSS_INDICES 16 |
7f870475 | 274 | #define IXGBE_MAX_VMDQ_INDICES 64 |
c4cf55e5 | 275 | #define IXGBE_MAX_FDIR_INDICES 64 |
0331a832 YZ |
276 | #ifdef IXGBE_FCOE |
277 | #define IXGBE_MAX_FCOE_INDICES 8 | |
e0fce695 JF |
278 | #define MAX_RX_QUEUES (IXGBE_MAX_FDIR_INDICES + IXGBE_MAX_FCOE_INDICES) |
279 | #define MAX_TX_QUEUES (IXGBE_MAX_FDIR_INDICES + IXGBE_MAX_FCOE_INDICES) | |
280 | #else | |
281 | #define MAX_RX_QUEUES IXGBE_MAX_FDIR_INDICES | |
282 | #define MAX_TX_QUEUES IXGBE_MAX_FDIR_INDICES | |
0331a832 | 283 | #endif /* IXGBE_FCOE */ |
021230d4 | 284 | struct ixgbe_ring_feature { |
c087663e AD |
285 | u16 limit; /* upper limit on feature indices */ |
286 | u16 indices; /* current value of indices */ | |
e4b317e9 AD |
287 | u16 mask; /* Mask used for feature to ring mapping */ |
288 | u16 offset; /* offset to start of feature */ | |
7ca3bc58 | 289 | } ____cacheline_internodealigned_in_smp; |
021230d4 | 290 | |
73079ea0 AD |
291 | #define IXGBE_82599_VMDQ_8Q_MASK 0x78 |
292 | #define IXGBE_82599_VMDQ_4Q_MASK 0x7C | |
293 | #define IXGBE_82599_VMDQ_2Q_MASK 0x7E | |
294 | ||
f800326d AD |
295 | /* |
296 | * FCoE requires that all Rx buffers be over 2200 bytes in length. Since | |
297 | * this is twice the size of a half page we need to double the page order | |
298 | * for FCoE enabled Rx queues. | |
299 | */ | |
09816fbe | 300 | static inline unsigned int ixgbe_rx_bufsz(struct ixgbe_ring *ring) |
f800326d | 301 | { |
09816fbe AD |
302 | #ifdef IXGBE_FCOE |
303 | if (test_bit(__IXGBE_RX_FCOE, &ring->state)) | |
304 | return (PAGE_SIZE < 8192) ? IXGBE_RXBUFFER_4K : | |
305 | IXGBE_RXBUFFER_3K; | |
306 | #endif | |
307 | return IXGBE_RXBUFFER_2K; | |
f800326d | 308 | } |
09816fbe AD |
309 | |
310 | static inline unsigned int ixgbe_rx_pg_order(struct ixgbe_ring *ring) | |
311 | { | |
312 | #ifdef IXGBE_FCOE | |
313 | if (test_bit(__IXGBE_RX_FCOE, &ring->state)) | |
314 | return (PAGE_SIZE < 8192) ? 1 : 0; | |
f800326d | 315 | #endif |
09816fbe AD |
316 | return 0; |
317 | } | |
f800326d | 318 | #define ixgbe_rx_pg_size(_ring) (PAGE_SIZE << ixgbe_rx_pg_order(_ring)) |
f800326d | 319 | |
08c8833b | 320 | struct ixgbe_ring_container { |
efe3d3c8 | 321 | struct ixgbe_ring *ring; /* pointer to linked list of rings */ |
bd198058 AD |
322 | unsigned int total_bytes; /* total bytes processed this int */ |
323 | unsigned int total_packets; /* total packets processed this int */ | |
324 | u16 work_limit; /* total work allowed per interrupt */ | |
08c8833b AD |
325 | u8 count; /* total number of rings in vector */ |
326 | u8 itr; /* current ITR setting for ring */ | |
327 | }; | |
021230d4 | 328 | |
a557928e AD |
329 | /* iterator for handling rings in ring container */ |
330 | #define ixgbe_for_each_ring(pos, head) \ | |
331 | for (pos = (head).ring; pos != NULL; pos = pos->next) | |
332 | ||
2f90b865 AD |
333 | #define MAX_RX_PACKET_BUFFERS ((adapter->flags & IXGBE_FLAG_DCB_ENABLED) \ |
334 | ? 8 : 1) | |
335 | #define MAX_TX_PACKET_BUFFERS MAX_RX_PACKET_BUFFERS | |
336 | ||
49c7ffbe | 337 | /* MAX_Q_VECTORS of these are allocated, |
021230d4 AV |
338 | * but we only use one per queue-specific vector. |
339 | */ | |
340 | struct ixgbe_q_vector { | |
341 | struct ixgbe_adapter *adapter; | |
33cf09c9 AD |
342 | #ifdef CONFIG_IXGBE_DCA |
343 | int cpu; /* CPU for DCA */ | |
344 | #endif | |
d5bf4f67 ET |
345 | u16 v_idx; /* index of q_vector within array, also used for |
346 | * finding the bit in EICR and friends that | |
347 | * represents the vector for this ring */ | |
348 | u16 itr; /* Interrupt throttle rate written to EITR */ | |
08c8833b | 349 | struct ixgbe_ring_container rx, tx; |
d5bf4f67 ET |
350 | |
351 | struct napi_struct napi; | |
de88eeeb AD |
352 | cpumask_t affinity_mask; |
353 | int numa_node; | |
354 | struct rcu_head rcu; /* to avoid race with update stats on free */ | |
d0759ebb | 355 | char name[IFNAMSIZ + 9]; |
de88eeeb AD |
356 | |
357 | /* for dynamic allocation of rings associated with this q_vector */ | |
358 | struct ixgbe_ring ring[0] ____cacheline_internodealigned_in_smp; | |
021230d4 | 359 | }; |
3ca8bc6d DS |
360 | #ifdef CONFIG_IXGBE_HWMON |
361 | ||
362 | #define IXGBE_HWMON_TYPE_LOC 0 | |
363 | #define IXGBE_HWMON_TYPE_TEMP 1 | |
364 | #define IXGBE_HWMON_TYPE_CAUTION 2 | |
365 | #define IXGBE_HWMON_TYPE_MAX 3 | |
366 | ||
367 | struct hwmon_attr { | |
368 | struct device_attribute dev_attr; | |
369 | struct ixgbe_hw *hw; | |
370 | struct ixgbe_thermal_diode_data *sensor; | |
371 | char name[12]; | |
372 | }; | |
373 | ||
374 | struct hwmon_buff { | |
375 | struct device *device; | |
376 | struct hwmon_attr *hwmon_list; | |
377 | unsigned int n_hwmon; | |
378 | }; | |
379 | #endif /* CONFIG_IXGBE_HWMON */ | |
021230d4 | 380 | |
d5bf4f67 ET |
381 | /* |
382 | * microsecond values for various ITR rates shifted by 2 to fit itr register | |
383 | * with the first 3 bits reserved 0 | |
9a799d71 | 384 | */ |
d5bf4f67 ET |
385 | #define IXGBE_MIN_RSC_ITR 24 |
386 | #define IXGBE_100K_ITR 40 | |
387 | #define IXGBE_20K_ITR 200 | |
388 | #define IXGBE_10K_ITR 400 | |
389 | #define IXGBE_8K_ITR 500 | |
9a799d71 | 390 | |
f56e0cb1 AD |
391 | /* ixgbe_test_staterr - tests bits in Rx descriptor status and error fields */ |
392 | static inline __le32 ixgbe_test_staterr(union ixgbe_adv_rx_desc *rx_desc, | |
393 | const u32 stat_err_bits) | |
394 | { | |
395 | return rx_desc->wb.upper.status_error & cpu_to_le32(stat_err_bits); | |
396 | } | |
397 | ||
7d4987de AD |
398 | static inline u16 ixgbe_desc_unused(struct ixgbe_ring *ring) |
399 | { | |
400 | u16 ntc = ring->next_to_clean; | |
401 | u16 ntu = ring->next_to_use; | |
402 | ||
403 | return ((ntc > ntu) ? 0 : ring->count) + ntc - ntu - 1; | |
404 | } | |
9a799d71 | 405 | |
e4f74028 | 406 | #define IXGBE_RX_DESC(R, i) \ |
31f05a2d | 407 | (&(((union ixgbe_adv_rx_desc *)((R)->desc))[i])) |
e4f74028 | 408 | #define IXGBE_TX_DESC(R, i) \ |
31f05a2d | 409 | (&(((union ixgbe_adv_tx_desc *)((R)->desc))[i])) |
e4f74028 | 410 | #define IXGBE_TX_CTXTDESC(R, i) \ |
31f05a2d | 411 | (&(((struct ixgbe_adv_tx_context_desc *)((R)->desc))[i])) |
9a799d71 | 412 | |
c88887e0 | 413 | #define IXGBE_MAX_JUMBO_FRAME_SIZE 9728 /* Maximum Supported Size 9.5KB */ |
63f39bd1 YZ |
414 | #ifdef IXGBE_FCOE |
415 | /* Use 3K as the baby jumbo frame size for FCoE */ | |
416 | #define IXGBE_FCOE_JUMBO_FRAME_SIZE 3072 | |
417 | #endif /* IXGBE_FCOE */ | |
9a799d71 | 418 | |
021230d4 AV |
419 | #define OTHER_VECTOR 1 |
420 | #define NON_Q_VECTORS (OTHER_VECTOR) | |
421 | ||
e8e26350 | 422 | #define MAX_MSIX_VECTORS_82599 64 |
49c7ffbe | 423 | #define MAX_Q_VECTORS_82599 64 |
eb7f139c | 424 | #define MAX_MSIX_VECTORS_82598 18 |
49c7ffbe | 425 | #define MAX_Q_VECTORS_82598 16 |
eb7f139c | 426 | |
49c7ffbe | 427 | #define MAX_Q_VECTORS MAX_Q_VECTORS_82599 |
e8e26350 | 428 | #define MAX_MSIX_COUNT MAX_MSIX_VECTORS_82599 |
eb7f139c | 429 | |
8f15486d | 430 | #define MIN_MSIX_Q_VECTORS 1 |
021230d4 AV |
431 | #define MIN_MSIX_COUNT (MIN_MSIX_Q_VECTORS + NON_Q_VECTORS) |
432 | ||
46646e61 AD |
433 | /* default to trying for four seconds */ |
434 | #define IXGBE_TRY_LINK_TIMEOUT (4 * HZ) | |
435 | ||
9a799d71 AK |
436 | /* board specific private data structure */ |
437 | struct ixgbe_adapter { | |
46646e61 AD |
438 | unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; |
439 | /* OS defined structs */ | |
440 | struct net_device *netdev; | |
441 | struct pci_dev *pdev; | |
442 | ||
e606bfe7 AD |
443 | unsigned long state; |
444 | ||
445 | /* Some features need tri-state capability, | |
446 | * thus the additional *_CAPABLE flags. | |
447 | */ | |
448 | u32 flags; | |
a16a0d2f AD |
449 | #define IXGBE_FLAG_MSI_CAPABLE (u32)(1 << 0) |
450 | #define IXGBE_FLAG_MSI_ENABLED (u32)(1 << 1) | |
451 | #define IXGBE_FLAG_MSIX_CAPABLE (u32)(1 << 2) | |
452 | #define IXGBE_FLAG_MSIX_ENABLED (u32)(1 << 3) | |
453 | #define IXGBE_FLAG_RX_1BUF_CAPABLE (u32)(1 << 4) | |
454 | #define IXGBE_FLAG_RX_PS_CAPABLE (u32)(1 << 5) | |
455 | #define IXGBE_FLAG_RX_PS_ENABLED (u32)(1 << 6) | |
456 | #define IXGBE_FLAG_IN_NETPOLL (u32)(1 << 7) | |
457 | #define IXGBE_FLAG_DCA_ENABLED (u32)(1 << 8) | |
458 | #define IXGBE_FLAG_DCA_CAPABLE (u32)(1 << 9) | |
459 | #define IXGBE_FLAG_IMIR_ENABLED (u32)(1 << 10) | |
460 | #define IXGBE_FLAG_MQ_CAPABLE (u32)(1 << 11) | |
461 | #define IXGBE_FLAG_DCB_ENABLED (u32)(1 << 12) | |
462 | #define IXGBE_FLAG_VMDQ_CAPABLE (u32)(1 << 13) | |
463 | #define IXGBE_FLAG_VMDQ_ENABLED (u32)(1 << 14) | |
464 | #define IXGBE_FLAG_FAN_FAIL_CAPABLE (u32)(1 << 15) | |
465 | #define IXGBE_FLAG_NEED_LINK_UPDATE (u32)(1 << 16) | |
466 | #define IXGBE_FLAG_NEED_LINK_CONFIG (u32)(1 << 17) | |
467 | #define IXGBE_FLAG_FDIR_HASH_CAPABLE (u32)(1 << 18) | |
468 | #define IXGBE_FLAG_FDIR_PERFECT_CAPABLE (u32)(1 << 19) | |
469 | #define IXGBE_FLAG_FCOE_CAPABLE (u32)(1 << 20) | |
470 | #define IXGBE_FLAG_FCOE_ENABLED (u32)(1 << 21) | |
471 | #define IXGBE_FLAG_SRIOV_CAPABLE (u32)(1 << 22) | |
472 | #define IXGBE_FLAG_SRIOV_ENABLED (u32)(1 << 23) | |
e606bfe7 AD |
473 | |
474 | u32 flags2; | |
a16a0d2f | 475 | #define IXGBE_FLAG2_RSC_CAPABLE (u32)(1 << 0) |
e606bfe7 AD |
476 | #define IXGBE_FLAG2_RSC_ENABLED (u32)(1 << 1) |
477 | #define IXGBE_FLAG2_TEMP_SENSOR_CAPABLE (u32)(1 << 2) | |
f0f9778d | 478 | #define IXGBE_FLAG2_TEMP_SENSOR_EVENT (u32)(1 << 3) |
7086400d AD |
479 | #define IXGBE_FLAG2_SEARCH_FOR_SFP (u32)(1 << 4) |
480 | #define IXGBE_FLAG2_SFP_NEEDS_RESET (u32)(1 << 5) | |
c83c6cbd | 481 | #define IXGBE_FLAG2_RESET_REQUESTED (u32)(1 << 6) |
d034acf1 | 482 | #define IXGBE_FLAG2_FDIR_REQUIRES_REINIT (u32)(1 << 7) |
ef6afc0c AD |
483 | #define IXGBE_FLAG2_RSS_FIELD_IPV4_UDP (u32)(1 << 8) |
484 | #define IXGBE_FLAG2_RSS_FIELD_IPV6_UDP (u32)(1 << 9) | |
3a6a4eda | 485 | #define IXGBE_FLAG2_OVERFLOW_CHECK_ENABLED (u32)(1 << 10) |
681ae1ad | 486 | #define IXGBE_FLAG2_PTP_PPS_ENABLED (u32)(1 << 11) |
d033d526 | 487 | |
46646e61 AD |
488 | /* Tx fast path data */ |
489 | int num_tx_queues; | |
490 | u16 tx_itr_setting; | |
bd198058 AD |
491 | u16 tx_work_limit; |
492 | ||
46646e61 AD |
493 | /* Rx fast path data */ |
494 | int num_rx_queues; | |
495 | u16 rx_itr_setting; | |
496 | ||
9a799d71 | 497 | /* TX */ |
4a0b9ca0 | 498 | struct ixgbe_ring *tx_ring[MAX_TX_QUEUES] ____cacheline_aligned_in_smp; |
9a799d71 | 499 | |
7ca3bc58 JB |
500 | u64 restart_queue; |
501 | u64 lsc_int; | |
46646e61 | 502 | u32 tx_timeout_count; |
7ca3bc58 | 503 | |
9a799d71 | 504 | /* RX */ |
46646e61 | 505 | struct ixgbe_ring *rx_ring[MAX_RX_QUEUES]; |
7f870475 GR |
506 | int num_rx_pools; /* == num_rx_queues in 82598 */ |
507 | int num_rx_queues_per_pool; /* 1 if 82598, can be many if 82599 */ | |
9a799d71 | 508 | u64 hw_csum_rx_error; |
e8e26350 | 509 | u64 hw_rx_no_dma_resources; |
46646e61 AD |
510 | u64 rsc_total_count; |
511 | u64 rsc_total_flush; | |
9a799d71 | 512 | u64 non_eop_descs; |
9a799d71 AK |
513 | u32 alloc_rx_page_failed; |
514 | u32 alloc_rx_buff_failed; | |
515 | ||
49c7ffbe | 516 | struct ixgbe_q_vector *q_vector[MAX_Q_VECTORS]; |
9a799d71 | 517 | |
46646e61 AD |
518 | /* DCB parameters */ |
519 | struct ieee_pfc *ixgbe_ieee_pfc; | |
520 | struct ieee_ets *ixgbe_ieee_ets; | |
521 | struct ixgbe_dcb_config dcb_cfg; | |
522 | struct ixgbe_dcb_config temp_dcb_cfg; | |
523 | u8 dcb_set_bitmap; | |
524 | u8 dcbx_cap; | |
525 | enum ixgbe_fc_mode last_lfc_mode; | |
526 | ||
49c7ffbe AD |
527 | int num_q_vectors; /* current number of q_vectors for device */ |
528 | int max_q_vectors; /* true count of q_vectors for device */ | |
46646e61 AD |
529 | struct ixgbe_ring_feature ring_feature[RING_F_ARRAY_SIZE]; |
530 | struct msix_entry *msix_entries; | |
9a799d71 | 531 | |
da4dd0f7 PWJ |
532 | u32 test_icr; |
533 | struct ixgbe_ring test_tx_ring; | |
534 | struct ixgbe_ring test_rx_ring; | |
535 | ||
9a799d71 AK |
536 | /* structs defined in ixgbe_hw.h */ |
537 | struct ixgbe_hw hw; | |
538 | u16 msg_enable; | |
539 | struct ixgbe_hw_stats stats; | |
021230d4 | 540 | |
9a799d71 | 541 | u64 tx_busy; |
30efa5a3 JB |
542 | unsigned int tx_ring_count; |
543 | unsigned int rx_ring_count; | |
cf8280ee JB |
544 | |
545 | u32 link_speed; | |
546 | bool link_up; | |
547 | unsigned long link_check_timeout; | |
548 | ||
7086400d | 549 | struct timer_list service_timer; |
46646e61 AD |
550 | struct work_struct service_task; |
551 | ||
552 | struct hlist_head fdir_filter_list; | |
553 | unsigned long fdir_overflow; /* number of times ATR was backed off */ | |
554 | union ixgbe_atr_input fdir_mask; | |
555 | int fdir_filter_count; | |
c4cf55e5 PWJ |
556 | u32 fdir_pballoc; |
557 | u32 atr_sample_rate; | |
558 | spinlock_t fdir_perfect_lock; | |
46646e61 | 559 | |
d0ed8937 YZ |
560 | #ifdef IXGBE_FCOE |
561 | struct ixgbe_fcoe fcoe; | |
562 | #endif /* IXGBE_FCOE */ | |
e8e26350 | 563 | u32 wol; |
46646e61 | 564 | |
46646e61 AD |
565 | u16 bd_number; |
566 | ||
15e5209f ET |
567 | u16 eeprom_verh; |
568 | u16 eeprom_verl; | |
c23f5b6b | 569 | u16 eeprom_cap; |
7f870475 | 570 | |
119fc60a | 571 | u32 interrupt_event; |
46646e61 | 572 | u32 led_reg; |
1a6c14a2 | 573 | |
3a6a4eda JK |
574 | #ifdef CONFIG_IXGBE_PTP |
575 | struct ptp_clock *ptp_clock; | |
576 | struct ptp_clock_info ptp_caps; | |
577 | unsigned long last_overflow_check; | |
578 | spinlock_t tmreg_lock; | |
579 | struct cyclecounter cc; | |
580 | struct timecounter tc; | |
1d1a79b5 | 581 | int rx_hwtstamp_filter; |
3a6a4eda JK |
582 | u32 base_incval; |
583 | u32 cycle_speed; | |
584 | #endif /* CONFIG_IXGBE_PTP */ | |
585 | ||
7f870475 GR |
586 | /* SR-IOV */ |
587 | DECLARE_BITMAP(active_vfs, IXGBE_MAX_VF_FUNCTIONS); | |
588 | unsigned int num_vfs; | |
589 | struct vf_data_storage *vfinfo; | |
ff4ab206 | 590 | int vf_rate_link_speed; |
a1cbb15c GR |
591 | struct vf_macvlans vf_mvs; |
592 | struct vf_macvlans *mv_list; | |
3e05334f | 593 | |
83c61fa9 GR |
594 | u32 timer_event_accumulator; |
595 | u32 vferr_refcount; | |
3ca8bc6d DS |
596 | struct kobject *info_kobj; |
597 | #ifdef CONFIG_IXGBE_HWMON | |
598 | struct hwmon_buff ixgbe_hwmon_buff; | |
599 | #endif /* CONFIG_IXGBE_HWMON */ | |
00949167 CS |
600 | #ifdef CONFIG_DEBUG_FS |
601 | struct dentry *ixgbe_dbg_adapter; | |
602 | #endif /*CONFIG_DEBUG_FS*/ | |
3e05334f AD |
603 | }; |
604 | ||
605 | struct ixgbe_fdir_filter { | |
606 | struct hlist_node fdir_node; | |
607 | union ixgbe_atr_input filter; | |
608 | u16 sw_idx; | |
609 | u16 action; | |
9a799d71 AK |
610 | }; |
611 | ||
70e5576c | 612 | enum ixgbe_state_t { |
9a799d71 AK |
613 | __IXGBE_TESTING, |
614 | __IXGBE_RESETTING, | |
c4900be0 | 615 | __IXGBE_DOWN, |
7086400d AD |
616 | __IXGBE_SERVICE_SCHED, |
617 | __IXGBE_IN_SFP_INIT, | |
9a799d71 AK |
618 | }; |
619 | ||
4c1975d7 AD |
620 | struct ixgbe_cb { |
621 | union { /* Union defining head/tail partner */ | |
622 | struct sk_buff *head; | |
623 | struct sk_buff *tail; | |
624 | }; | |
aa80175a | 625 | dma_addr_t dma; |
4c1975d7 | 626 | u16 append_cnt; |
f800326d | 627 | bool page_released; |
aa80175a | 628 | }; |
4c1975d7 | 629 | #define IXGBE_CB(skb) ((struct ixgbe_cb *)(skb)->cb) |
aa80175a | 630 | |
9a799d71 | 631 | enum ixgbe_boards { |
3957d63d | 632 | board_82598, |
e8e26350 | 633 | board_82599, |
fe15e8e1 | 634 | board_X540, |
9a799d71 AK |
635 | }; |
636 | ||
3957d63d | 637 | extern struct ixgbe_info ixgbe_82598_info; |
e8e26350 | 638 | extern struct ixgbe_info ixgbe_82599_info; |
fe15e8e1 | 639 | extern struct ixgbe_info ixgbe_X540_info; |
7a6b6f51 | 640 | #ifdef CONFIG_IXGBE_DCB |
32953543 | 641 | extern const struct dcbnl_rtnl_ops dcbnl_ops; |
2f90b865 | 642 | #endif |
9a799d71 AK |
643 | |
644 | extern char ixgbe_driver_name[]; | |
9c8eb720 | 645 | extern const char ixgbe_driver_version[]; |
8af3c33f | 646 | #ifdef IXGBE_FCOE |
ea81875a | 647 | extern char ixgbe_default_device_descr[]; |
8af3c33f | 648 | #endif /* IXGBE_FCOE */ |
9a799d71 | 649 | |
c7ccde0f | 650 | extern void ixgbe_up(struct ixgbe_adapter *adapter); |
9a799d71 | 651 | extern void ixgbe_down(struct ixgbe_adapter *adapter); |
d4f80882 | 652 | extern void ixgbe_reinit_locked(struct ixgbe_adapter *adapter); |
9a799d71 | 653 | extern void ixgbe_reset(struct ixgbe_adapter *adapter); |
9a799d71 | 654 | extern void ixgbe_set_ethtool_ops(struct net_device *netdev); |
b6ec895e AD |
655 | extern int ixgbe_setup_rx_resources(struct ixgbe_ring *); |
656 | extern int ixgbe_setup_tx_resources(struct ixgbe_ring *); | |
657 | extern void ixgbe_free_rx_resources(struct ixgbe_ring *); | |
658 | extern void ixgbe_free_tx_resources(struct ixgbe_ring *); | |
84418e3b AD |
659 | extern void ixgbe_configure_rx_ring(struct ixgbe_adapter *,struct ixgbe_ring *); |
660 | extern void ixgbe_configure_tx_ring(struct ixgbe_adapter *,struct ixgbe_ring *); | |
2d39d576 YZ |
661 | extern void ixgbe_disable_rx_queue(struct ixgbe_adapter *adapter, |
662 | struct ixgbe_ring *); | |
b4617240 | 663 | extern void ixgbe_update_stats(struct ixgbe_adapter *adapter); |
2f90b865 | 664 | extern int ixgbe_init_interrupt_scheme(struct ixgbe_adapter *adapter); |
8e2813f5 JK |
665 | extern int ixgbe_wol_supported(struct ixgbe_adapter *adapter, u16 device_id, |
666 | u16 subdevice_id); | |
7a921c93 | 667 | extern void ixgbe_clear_interrupt_scheme(struct ixgbe_adapter *adapter); |
84418e3b | 668 | extern netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *, |
84418e3b AD |
669 | struct ixgbe_adapter *, |
670 | struct ixgbe_ring *); | |
b6ec895e | 671 | extern void ixgbe_unmap_and_free_tx_resource(struct ixgbe_ring *, |
84418e3b | 672 | struct ixgbe_tx_buffer *); |
fc77dc3c | 673 | extern void ixgbe_alloc_rx_buffers(struct ixgbe_ring *, u16); |
fe49f04a | 674 | extern void ixgbe_write_eitr(struct ixgbe_q_vector *); |
8af3c33f | 675 | extern int ixgbe_poll(struct napi_struct *napi, int budget); |
fe49f04a | 676 | extern int ethtool_ioctl(struct ifreq *ifr); |
ffff4772 | 677 | extern s32 ixgbe_reinit_fdir_tables_82599(struct ixgbe_hw *hw); |
c04f6ca8 AD |
678 | extern s32 ixgbe_init_fdir_signature_82599(struct ixgbe_hw *hw, u32 fdirctrl); |
679 | extern s32 ixgbe_init_fdir_perfect_82599(struct ixgbe_hw *hw, u32 fdirctrl); | |
ffff4772 | 680 | extern s32 ixgbe_fdir_add_signature_filter_82599(struct ixgbe_hw *hw, |
69830529 AD |
681 | union ixgbe_atr_hash_dword input, |
682 | union ixgbe_atr_hash_dword common, | |
ffff4772 | 683 | u8 queue); |
c04f6ca8 AD |
684 | extern s32 ixgbe_fdir_set_input_mask_82599(struct ixgbe_hw *hw, |
685 | union ixgbe_atr_input *input_mask); | |
686 | extern s32 ixgbe_fdir_write_perfect_filter_82599(struct ixgbe_hw *hw, | |
687 | union ixgbe_atr_input *input, | |
688 | u16 soft_id, u8 queue); | |
689 | extern s32 ixgbe_fdir_erase_perfect_filter_82599(struct ixgbe_hw *hw, | |
690 | union ixgbe_atr_input *input, | |
691 | u16 soft_id); | |
692 | extern void ixgbe_atr_compute_perfect_hash_82599(union ixgbe_atr_input *input, | |
693 | union ixgbe_atr_input *mask); | |
7f870475 | 694 | extern void ixgbe_set_rx_mode(struct net_device *netdev); |
8af3c33f | 695 | #ifdef CONFIG_IXGBE_DCB |
3ebe8fde | 696 | extern void ixgbe_set_rx_drop_en(struct ixgbe_adapter *adapter); |
e5b64635 | 697 | extern int ixgbe_setup_tc(struct net_device *dev, u8 tc); |
8af3c33f | 698 | #endif |
897ab156 | 699 | extern void ixgbe_tx_ctxtdesc(struct ixgbe_ring *, u32, u32, u32, u32); |
082757af | 700 | extern void ixgbe_do_reset(struct net_device *netdev); |
1210982b | 701 | #ifdef CONFIG_IXGBE_HWMON |
3ca8bc6d DS |
702 | extern void ixgbe_sysfs_exit(struct ixgbe_adapter *adapter); |
703 | extern int ixgbe_sysfs_init(struct ixgbe_adapter *adapter); | |
1210982b | 704 | #endif /* CONFIG_IXGBE_HWMON */ |
eacd73f7 YZ |
705 | #ifdef IXGBE_FCOE |
706 | extern void ixgbe_configure_fcoe(struct ixgbe_adapter *adapter); | |
fd0db0ed AD |
707 | extern int ixgbe_fso(struct ixgbe_ring *tx_ring, |
708 | struct ixgbe_tx_buffer *first, | |
244e27ad | 709 | u8 *hdr_len); |
332d4a7d | 710 | extern int ixgbe_fcoe_ddp(struct ixgbe_adapter *adapter, |
ff886dfc | 711 | union ixgbe_adv_rx_desc *rx_desc, |
f56e0cb1 | 712 | struct sk_buff *skb); |
332d4a7d YZ |
713 | extern int ixgbe_fcoe_ddp_get(struct net_device *netdev, u16 xid, |
714 | struct scatterlist *sgl, unsigned int sgc); | |
68a683cf YZ |
715 | extern int ixgbe_fcoe_ddp_target(struct net_device *netdev, u16 xid, |
716 | struct scatterlist *sgl, unsigned int sgc); | |
332d4a7d | 717 | extern int ixgbe_fcoe_ddp_put(struct net_device *netdev, u16 xid); |
7c8ae65a AD |
718 | extern int ixgbe_setup_fcoe_ddp_resources(struct ixgbe_adapter *adapter); |
719 | extern void ixgbe_free_fcoe_ddp_resources(struct ixgbe_adapter *adapter); | |
8450ff8c YZ |
720 | extern int ixgbe_fcoe_enable(struct net_device *netdev); |
721 | extern int ixgbe_fcoe_disable(struct net_device *netdev); | |
6ee16520 YZ |
722 | #ifdef CONFIG_IXGBE_DCB |
723 | extern u8 ixgbe_fcoe_getapp(struct ixgbe_adapter *adapter); | |
724 | extern u8 ixgbe_fcoe_setapp(struct ixgbe_adapter *adapter, u8 up); | |
725 | #endif /* CONFIG_IXGBE_DCB */ | |
61a1fa10 | 726 | extern int ixgbe_fcoe_get_wwn(struct net_device *netdev, u64 *wwn, int type); |
ea81875a NP |
727 | extern int ixgbe_fcoe_get_hbainfo(struct net_device *netdev, |
728 | struct netdev_fcoe_hbainfo *info); | |
800bd607 | 729 | extern u8 ixgbe_fcoe_get_tc(struct ixgbe_adapter *adapter); |
eacd73f7 | 730 | #endif /* IXGBE_FCOE */ |
00949167 CS |
731 | #ifdef CONFIG_DEBUG_FS |
732 | extern void ixgbe_dbg_adapter_init(struct ixgbe_adapter *adapter); | |
733 | extern void ixgbe_dbg_adapter_exit(struct ixgbe_adapter *adapter); | |
734 | extern void ixgbe_dbg_init(void); | |
735 | extern void ixgbe_dbg_exit(void); | |
736 | #endif /* CONFIG_DEBUG_FS */ | |
b2d96e0a AD |
737 | static inline struct netdev_queue *txring_txq(const struct ixgbe_ring *ring) |
738 | { | |
739 | return netdev_get_tx_queue(ring->netdev, ring->queue_index); | |
740 | } | |
741 | ||
3a6a4eda JK |
742 | #ifdef CONFIG_IXGBE_PTP |
743 | extern void ixgbe_ptp_init(struct ixgbe_adapter *adapter); | |
744 | extern void ixgbe_ptp_stop(struct ixgbe_adapter *adapter); | |
745 | extern void ixgbe_ptp_overflow_check(struct ixgbe_adapter *adapter); | |
746 | extern void ixgbe_ptp_tx_hwtstamp(struct ixgbe_q_vector *q_vector, | |
747 | struct sk_buff *skb); | |
748 | extern void ixgbe_ptp_rx_hwtstamp(struct ixgbe_q_vector *q_vector, | |
1d1a79b5 | 749 | union ixgbe_adv_rx_desc *rx_desc, |
3a6a4eda JK |
750 | struct sk_buff *skb); |
751 | extern int ixgbe_ptp_hwtstamp_ioctl(struct ixgbe_adapter *adapter, | |
752 | struct ifreq *ifr, int cmd); | |
753 | extern void ixgbe_ptp_start_cyclecounter(struct ixgbe_adapter *adapter); | |
681ae1ad | 754 | extern void ixgbe_ptp_check_pps_event(struct ixgbe_adapter *adapter, u32 eicr); |
3a6a4eda JK |
755 | #endif /* CONFIG_IXGBE_PTP */ |
756 | ||
9a799d71 | 757 | #endif /* _IXGBE_H_ */ |