ixgbe.h revision 1.11 1 /******************************************************************************
2
3 Copyright (c) 2001-2015, Intel Corporation
4 All rights reserved.
5
6 Redistribution and use in source and binary forms, with or without
7 modification, are permitted provided that the following conditions are met:
8
9 1. Redistributions of source code must retain the above copyright notice,
10 this list of conditions and the following disclaimer.
11
12 2. Redistributions in binary form must reproduce the above copyright
13 notice, this list of conditions and the following disclaimer in the
14 documentation and/or other materials provided with the distribution.
15
16 3. Neither the name of the Intel Corporation nor the names of its
17 contributors may be used to endorse or promote products derived from
18 this software without specific prior written permission.
19
20 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 POSSIBILITY OF SUCH DAMAGE.
31
32 ******************************************************************************/
33 /*
34 * Copyright (c) 2011 The NetBSD Foundation, Inc.
35 * All rights reserved.
36 *
37 * This code is derived from software contributed to The NetBSD Foundation
38 * by Coyote Point Systems, Inc.
39 *
40 * Redistribution and use in source and binary forms, with or without
41 * modification, are permitted provided that the following conditions
42 * are met:
43 * 1. Redistributions of source code must retain the above copyright
44 * notice, this list of conditions and the following disclaimer.
45 * 2. Redistributions in binary form must reproduce the above copyright
46 * notice, this list of conditions and the following disclaimer in the
47 * documentation and/or other materials provided with the distribution.
48 *
49 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
50 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
51 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
52 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
53 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
54 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
55 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
56 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
57 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
58 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
59 * POSSIBILITY OF SUCH DAMAGE.
60 */
61 /*$FreeBSD: head/sys/dev/ixgbe/ixgbe.h 280182 2015-03-17 18:32:28Z jfv $*/
62 /*$NetBSD: ixgbe.h,v 1.11 2016/12/01 06:27:18 msaitoh Exp $*/
63
64
65 #ifndef _IXGBE_H_
66 #define _IXGBE_H_
67
68
69 #include <sys/param.h>
70 #include <sys/reboot.h>
71 #include <sys/systm.h>
72 #if __FreeBSD_version >= 800000
73 #include <sys/buf_ring.h>
74 #endif
75 #include <sys/mbuf.h>
76 #include <sys/protosw.h>
77 #include <sys/socket.h>
78 #include <sys/malloc.h>
79 #include <sys/kernel.h>
80 #include <sys/module.h>
81 #include <sys/sockio.h>
82
83 #include <net/if.h>
84 #include <net/if_arp.h>
85 #include <net/bpf.h>
86 #include <net/if_ether.h>
87 #include <net/if_dl.h>
88 #include <net/if_media.h>
89
90 #include <net/bpf.h>
91 #include <net/if_types.h>
92 #include <net/if_vlanvar.h>
93
94 #include <netinet/in_systm.h>
95 #include <netinet/in.h>
96 #include <netinet/ip.h>
97 #include <netinet/ip6.h>
98 #include <netinet/tcp.h>
99 #include <netinet/udp.h>
100
101 #include <sys/bus.h>
102 #include <dev/pci/pcivar.h>
103 #include <dev/pci/pcireg.h>
104 #include <sys/proc.h>
105 #include <sys/sysctl.h>
106 #include <sys/endian.h>
107 #include <sys/workqueue.h>
108 #include <sys/cpu.h>
109 #include <sys/interrupt.h>
110
111 #include "ixgbe_netbsd.h"
112 #include "ixgbe_api.h"
113 #include "ixgbe_vf.h"
114
115 /* Tunables */
116
117 /*
118 * TxDescriptors Valid Range: 64-4096 Default Value: 256 This value is the
119 * number of transmit descriptors allocated by the driver. Increasing this
120 * value allows the driver to queue more transmits. Each descriptor is 16
121 * bytes. Performance tests have show the 2K value to be optimal for top
122 * performance.
123 */
124 #define DEFAULT_TXD 1024
125 #define PERFORM_TXD 2048
126 #define MAX_TXD 4096
127 #define MIN_TXD 64
128
129 /*
130 * RxDescriptors Valid Range: 64-4096 Default Value: 256 This value is the
131 * number of receive descriptors allocated for each RX queue. Increasing this
132 * value allows the driver to buffer more incoming packets. Each descriptor
133 * is 16 bytes. A receive buffer is also allocated for each descriptor.
134 *
135 * Note: with 8 rings and a dual port card, it is possible to bump up
136 * against the system mbuf pool limit, you can tune nmbclusters
137 * to adjust for this.
138 */
139 #define DEFAULT_RXD 1024
140 #define PERFORM_RXD 2048
141 #define MAX_RXD 4096
142 #define MIN_RXD 64
143
144 /* Alignment for rings */
145 #define DBA_ALIGN 128
146
147 /*
148 * This parameter controls the maximum no of times the driver will loop in
149 * the isr. Minimum Value = 1
150 */
151 #define MAX_LOOP 10
152
153 /*
154 * This is the max watchdog interval, ie. the time that can
155 * pass between any two TX clean operations, such only happening
156 * when the TX hardware is functioning.
157 */
158 #define IXGBE_WATCHDOG (10 * hz)
159
160 /*
161 * This parameters control when the driver calls the routine to reclaim
162 * transmit descriptors.
163 */
164 #define IXGBE_TX_CLEANUP_THRESHOLD (adapter->num_tx_desc / 8)
165 #define IXGBE_TX_OP_THRESHOLD (adapter->num_tx_desc / 32)
166
167 #define IXGBE_MAX_FRAME_SIZE 0x3F00
168
169 /* Flow control constants */
170 #define IXGBE_FC_PAUSE 0xFFFF
171 #define IXGBE_FC_HI 0x20000
172 #define IXGBE_FC_LO 0x10000
173
174 /*
175 * Used for optimizing small rx mbufs. Effort is made to keep the copy
176 * small and aligned for the CPU L1 cache.
177 *
178 * MHLEN is typically 168 bytes, giving us 8-byte alignment. Getting
179 * 32 byte alignment needed for the fast bcopy results in 8 bytes being
180 * wasted. Getting 64 byte alignment, which _should_ be ideal for
181 * modern Intel CPUs, results in 40 bytes wasted and a significant drop
182 * in observed efficiency of the optimization, 97.9% -> 81.8%.
183 */
184 #define MPKTHSIZE (offsetof(struct _mbuf_dummy, m_pktdat))
185 #define IXGBE_RX_COPY_HDR_PADDED ((((MPKTHSIZE - 1) / 32) + 1) * 32)
186 #define IXGBE_RX_COPY_LEN (MSIZE - IXGBE_RX_COPY_HDR_PADDED)
187 #define IXGBE_RX_COPY_ALIGN (IXGBE_RX_COPY_HDR_PADDED - MPKTHSIZE)
188
189 /* Keep older OS drivers building... */
190 #if !defined(SYSCTL_ADD_UQUAD)
191 #define SYSCTL_ADD_UQUAD SYSCTL_ADD_QUAD
192 #endif
193
194 /* Defines for printing debug information */
195 #define DEBUG_INIT 0
196 #define DEBUG_IOCTL 0
197 #define DEBUG_HW 0
198
199 #define INIT_DEBUGOUT(S) if (DEBUG_INIT) printf(S "\n")
200 #define INIT_DEBUGOUT1(S, A) if (DEBUG_INIT) printf(S "\n", A)
201 #define INIT_DEBUGOUT2(S, A, B) if (DEBUG_INIT) printf(S "\n", A, B)
202 #define IOCTL_DEBUGOUT(S) if (DEBUG_IOCTL) printf(S "\n")
203 #define IOCTL_DEBUGOUT1(S, A) if (DEBUG_IOCTL) printf(S "\n", A)
204 #define IOCTL_DEBUGOUT2(S, A, B) if (DEBUG_IOCTL) printf(S "\n", A, B)
205 #define HW_DEBUGOUT(S) if (DEBUG_HW) printf(S "\n")
206 #define HW_DEBUGOUT1(S, A) if (DEBUG_HW) printf(S "\n", A)
207 #define HW_DEBUGOUT2(S, A, B) if (DEBUG_HW) printf(S "\n", A, B)
208
209 #define MAX_NUM_MULTICAST_ADDRESSES 128
210 #define IXGBE_82598_SCATTER 100
211 #define IXGBE_82599_SCATTER 32
212 #define MSIX_82598_BAR 3
213 #define MSIX_82599_BAR 4
214 #define IXGBE_TSO_SIZE 262140
215 #define IXGBE_TX_BUFFER_SIZE ((u32) 1514)
216 #define IXGBE_RX_HDR 128
217 #define IXGBE_VFTA_SIZE 128
218 #define IXGBE_BR_SIZE 4096
219 #define IXGBE_QUEUE_MIN_FREE 32
220 #define IXGBE_MAX_TX_BUSY 10
221 #define IXGBE_QUEUE_HUNG 0x80000000
222
223 #define IXV_EITR_DEFAULT 128
224
225 #define IXV_EITR_DEFAULT 128
226
227 /* IOCTL define to gather SFP+ Diagnostic data */
228 #define SIOCGI2C SIOCGIFGENERIC
229
230 /* Offload bits in mbuf flag */
231 #define M_CSUM_OFFLOAD \
232 (M_CSUM_IPv4|M_CSUM_UDPv4|M_CSUM_TCPv4|M_CSUM_UDPv6|M_CSUM_TCPv6)
233
234 /* Backward compatibility items for very old versions */
235 #ifndef pci_find_cap
236 #define pci_find_cap pci_find_extcap
237 #endif
238
239 #ifndef DEVMETHOD_END
240 #define DEVMETHOD_END { NULL, NULL }
241 #endif
242
243 /*
244 * Interrupt Moderation parameters
245 */
246 #define IXGBE_LOW_LATENCY 128
247 #define IXGBE_AVE_LATENCY 400
248 #define IXGBE_BULK_LATENCY 1200
249 #define IXGBE_LINK_ITR 2000
250
251 /*
252 *****************************************************************************
253 * vendor_info_array
254 *
255 * This array contains the list of Subvendor/Subdevice IDs on which the driver
256 * should load.
257 *
258 *****************************************************************************
259 */
260 typedef struct _ixgbe_vendor_info_t {
261 unsigned int vendor_id;
262 unsigned int device_id;
263 unsigned int subvendor_id;
264 unsigned int subdevice_id;
265 unsigned int index;
266 } ixgbe_vendor_info_t;
267
268 /* This is used to get SFP+ module data */
269 struct ixgbe_i2c_req {
270 u8 dev_addr;
271 u8 offset;
272 u8 len;
273 u8 data[8];
274 };
275
276 struct ixgbe_tx_buf {
277 union ixgbe_adv_tx_desc *eop;
278 struct mbuf *m_head;
279 bus_dmamap_t map;
280 };
281
282 struct ixgbe_rx_buf {
283 struct mbuf *buf;
284 struct mbuf *fmp;
285 bus_dmamap_t pmap;
286 u_int flags;
287 #define IXGBE_RX_COPY 0x01
288 uint64_t addr;
289 };
290
291 /*
292 * Bus dma allocation structure used by ixgbe_dma_malloc and ixgbe_dma_free.
293 */
294 struct ixgbe_dma_alloc {
295 bus_addr_t dma_paddr;
296 void *dma_vaddr;
297 ixgbe_dma_tag_t *dma_tag;
298 bus_dmamap_t dma_map;
299 bus_dma_segment_t dma_seg;
300 bus_size_t dma_size;
301 };
302
303 /*
304 ** Driver queue struct: this is the interrupt container
305 ** for the associated tx and rx ring.
306 */
307 struct ix_queue {
308 struct adapter *adapter;
309 u32 msix; /* This queue's MSIX vector */
310 u32 eims; /* This queue's EIMS bit */
311 u32 eitr_setting;
312 u32 me;
313 struct resource *res;
314 void *tag;
315 int busy;
316 struct tx_ring *txr;
317 struct rx_ring *rxr;
318 void *que_si;
319 struct evcnt irqs;
320 char namebuf[32];
321 char evnamebuf[32];
322 };
323
324 /*
325 * The transmit ring, one per queue
326 */
327 struct tx_ring {
328 struct adapter *adapter;
329 kmutex_t tx_mtx;
330 u32 me;
331 u32 tail;
332 int busy;
333 union ixgbe_adv_tx_desc *tx_base;
334 struct ixgbe_tx_buf *tx_buffers;
335 struct ixgbe_dma_alloc txdma;
336 volatile u16 tx_avail;
337 u16 next_avail_desc;
338 u16 next_to_clean;
339 u32 process_limit;
340 u16 num_desc;
341 u32 txd_cmd;
342 ixgbe_dma_tag_t *txtag;
343 char mtx_name[16];
344 #ifndef IXGBE_LEGACY_TX
345 struct buf_ring *br;
346 void *txq_si;
347 #endif
348 #ifdef IXGBE_FDIR
349 u16 atr_sample;
350 u16 atr_count;
351 #endif
352 u32 bytes; /* used for AIM */
353 u32 packets;
354 /* Soft Stats */
355 struct evcnt tx_bytes;
356 struct evcnt tso_tx;
357 struct evcnt no_tx_map_avail;
358 struct evcnt no_desc_avail;
359 struct evcnt total_packets;
360 };
361
362
363 /*
364 * The Receive ring, one per rx queue
365 */
366 struct rx_ring {
367 struct adapter *adapter;
368 kmutex_t rx_mtx;
369 u32 me;
370 u32 tail;
371 union ixgbe_adv_rx_desc *rx_base;
372 struct ixgbe_dma_alloc rxdma;
373 #ifdef LRO
374 struct lro_ctrl lro;
375 #endif /* LRO */
376 bool lro_enabled;
377 bool hw_rsc;
378 bool vtag_strip;
379 u16 next_to_refresh;
380 u16 next_to_check;
381 u16 num_desc;
382 u16 mbuf_sz;
383 u32 process_limit;
384 char mtx_name[16];
385 struct ixgbe_rx_buf *rx_buffers;
386 ixgbe_dma_tag_t *ptag;
387
388 u32 bytes; /* Used for AIM calc */
389 u32 packets;
390
391 /* Soft stats */
392 struct evcnt rx_irq;
393 struct evcnt rx_copies;
394 struct evcnt rx_packets;
395 struct evcnt rx_bytes;
396 struct evcnt rx_discarded;
397 struct evcnt no_jmbuf;
398 u64 rsc_num;
399 #ifdef IXGBE_FDIR
400 u64 flm;
401 #endif
402 };
403
404 /* Our adapter structure */
405 struct adapter {
406 struct ifnet *ifp;
407 struct ixgbe_hw hw;
408
409 struct ixgbe_osdep osdep;
410 device_t dev;
411
412 struct resource *pci_mem;
413 struct resource *msix_mem;
414
415 /*
416 * Interrupt resources: this set is
417 * either used for legacy, or for Link
418 * when doing MSIX
419 */
420 void *tag;
421 struct resource *res;
422
423 struct ifmedia media;
424 callout_t timer;
425 int msix;
426 int if_flags;
427
428 kmutex_t core_mtx;
429
430 unsigned int num_queues;
431
432 /*
433 ** Shadow VFTA table, this is needed because
434 ** the real vlan filter table gets cleared during
435 ** a soft reset and the driver needs to be able
436 ** to repopulate it.
437 */
438 u32 shadow_vfta[IXGBE_VFTA_SIZE];
439
440 /* Info about the interface */
441 u32 optics;
442 u32 fc; /* local flow ctrl setting */
443 int advertise; /* link speeds */
444 bool link_active;
445 u16 max_frame_size;
446 u16 num_segs;
447 u32 link_speed;
448 bool link_up;
449 u32 vector;
450
451 /* Mbuf cluster size */
452 u32 rx_mbuf_sz;
453
454 /* Support for pluggable optics */
455 bool sfp_probe;
456 void *link_si; /* Link tasklet */
457 void *mod_si; /* SFP tasklet */
458 void *msf_si; /* Multispeed Fiber */
459 #ifdef IXGBE_FDIR
460 int fdir_reinit;
461 void *fdir_si;
462 #endif
463
464 /*
465 ** Queues:
466 ** This is the irq holder, it has
467 ** and RX/TX pair or rings associated
468 ** with it.
469 */
470 struct ix_queue *queues;
471
472 /*
473 * Transmit rings:
474 * Allocated at run time, an array of rings.
475 */
476 struct tx_ring *tx_rings;
477 u32 num_tx_desc;
478
479 /*
480 * Receive rings:
481 * Allocated at run time, an array of rings.
482 */
483 struct rx_ring *rx_rings;
484 u64 active_queues;
485 u32 num_rx_desc;
486
487 /* Multicast array memory */
488 u8 *mta;
489
490
491 /* Misc stats maintained by the driver */
492 struct evcnt dropped_pkts;
493 struct evcnt mbuf_defrag_failed;
494 struct evcnt mbuf_header_failed;
495 struct evcnt mbuf_packet_failed;
496 struct evcnt efbig_tx_dma_setup;
497 struct evcnt efbig2_tx_dma_setup;
498 struct evcnt m_defrag_failed;
499 struct evcnt einval_tx_dma_setup;
500 struct evcnt other_tx_dma_setup;
501 struct evcnt eagain_tx_dma_setup;
502 struct evcnt enomem_tx_dma_setup;
503 struct evcnt watchdog_events;
504 struct evcnt tso_err;
505 struct evcnt vector_irq;
506 struct evcnt morerx;
507 struct evcnt moretx;
508 struct evcnt txloops;
509 struct evcnt handleq;
510 struct evcnt req;
511
512 union {
513 struct ixgbe_hw_stats pf;
514 struct ixgbevf_hw_stats vf;
515 } stats;
516 #if __FreeBSD_version >= 1100036
517 /* counter(9) stats */
518 u64 ipackets;
519 u64 ierrors;
520 u64 opackets;
521 u64 oerrors;
522 u64 ibytes;
523 u64 obytes;
524 u64 imcasts;
525 u64 omcasts;
526 u64 iqdrops;
527 u64 noproto;
528 #endif
529 struct sysctllog *sysctllog;
530 ixgbe_extmem_head_t jcl_head;
531 };
532
533
534 /* Precision Time Sync (IEEE 1588) defines */
535 #define ETHERTYPE_IEEE1588 0x88F7
536 #define PICOSECS_PER_TICK 20833
537 #define TSYNC_UDP_PORT 319 /* UDP port for the protocol */
538 #define IXGBE_ADVTXD_TSTAMP 0x00080000
539
540
541 #define IXGBE_CORE_LOCK_INIT(_sc, _name) \
542 mutex_init(&(_sc)->core_mtx, MUTEX_DEFAULT, IPL_SOFTNET)
543 #define IXGBE_CORE_LOCK_DESTROY(_sc) mutex_destroy(&(_sc)->core_mtx)
544 #define IXGBE_TX_LOCK_DESTROY(_sc) mutex_destroy(&(_sc)->tx_mtx)
545 #define IXGBE_RX_LOCK_DESTROY(_sc) mutex_destroy(&(_sc)->rx_mtx)
546 #define IXGBE_CORE_LOCK(_sc) mutex_enter(&(_sc)->core_mtx)
547 #define IXGBE_TX_LOCK(_sc) mutex_enter(&(_sc)->tx_mtx)
548 #define IXGBE_TX_TRYLOCK(_sc) mutex_tryenter(&(_sc)->tx_mtx)
549 #define IXGBE_RX_LOCK(_sc) mutex_enter(&(_sc)->rx_mtx)
550 #define IXGBE_CORE_UNLOCK(_sc) mutex_exit(&(_sc)->core_mtx)
551 #define IXGBE_TX_UNLOCK(_sc) mutex_exit(&(_sc)->tx_mtx)
552 #define IXGBE_RX_UNLOCK(_sc) mutex_exit(&(_sc)->rx_mtx)
553 #define IXGBE_CORE_LOCK_ASSERT(_sc) KASSERT(mutex_owned(&(_sc)->core_mtx))
554 #define IXGBE_TX_LOCK_ASSERT(_sc) KASSERT(mutex_owned(&(_sc)->tx_mtx))
555
556 /* Stats macros */
557 #if __FreeBSD_version >= 1100036
558 #define IXGBE_SET_IPACKETS(sc, count) (sc)->ipackets = (count)
559 #define IXGBE_SET_IERRORS(sc, count) (sc)->ierrors = (count)
560 #define IXGBE_SET_OPACKETS(sc, count) (sc)->opackets = (count)
561 #define IXGBE_SET_OERRORS(sc, count) (sc)->oerrors = (count)
562 #define IXGBE_SET_COLLISIONS(sc, count)
563 #define IXGBE_SET_IBYTES(sc, count) (sc)->ibytes = (count)
564 #define IXGBE_SET_OBYTES(sc, count) (sc)->obytes = (count)
565 #define IXGBE_SET_IMCASTS(sc, count) (sc)->imcasts = (count)
566 #define IXGBE_SET_OMCASTS(sc, count) (sc)->omcasts = (count)
567 #define IXGBE_SET_IQDROPS(sc, count) (sc)->iqdrops = (count)
568 #else
569 #define IXGBE_SET_IPACKETS(sc, count) (sc)->ifp->if_ipackets = (count)
570 #define IXGBE_SET_IERRORS(sc, count) (sc)->ifp->if_ierrors = (count)
571 #define IXGBE_SET_OPACKETS(sc, count) (sc)->ifp->if_opackets = (count)
572 #define IXGBE_SET_OERRORS(sc, count) (sc)->ifp->if_oerrors = (count)
573 #define IXGBE_SET_COLLISIONS(sc, count) (sc)->ifp->if_collisions = (count)
574 #define IXGBE_SET_IBYTES(sc, count) (sc)->ifp->if_ibytes = (count)
575 #define IXGBE_SET_OBYTES(sc, count) (sc)->ifp->if_obytes = (count)
576 #define IXGBE_SET_IMCASTS(sc, count) (sc)->ifp->if_imcasts = (count)
577 #define IXGBE_SET_OMCASTS(sc, count) (sc)->ifp->if_omcasts = (count)
578 #define IXGBE_SET_IQDROPS(sc, count) (sc)->ifp->if_iqdrops = (count)
579 #endif
580
581 /* Sysctl help messages; displayed with sysctl -d */
582 #define IXGBE_SYSCTL_DESC_ADV_SPEED \
583 "\nControl advertised link speed using these flags:\n" \
584 "\t0x1 - advertise 100M\n" \
585 "\t0x2 - advertise 1G\n" \
586 "\t0x4 - advertise 10G"
587
588 #define IXGBE_SYSCTL_DESC_SET_FC \
589 "\nSet flow control mode using these values:\n" \
590 "\t0 - off\n" \
591 "\t1 - rx pause\n" \
592 "\t2 - tx pause\n" \
593 "\t3 - tx and rx pause"
594
595 static inline bool
596 ixgbe_is_sfp(struct ixgbe_hw *hw)
597 {
598 switch (hw->phy.type) {
599 case ixgbe_phy_sfp_avago:
600 case ixgbe_phy_sfp_ftl:
601 case ixgbe_phy_sfp_intel:
602 case ixgbe_phy_sfp_unknown:
603 case ixgbe_phy_sfp_passive_tyco:
604 case ixgbe_phy_sfp_passive_unknown:
605 case ixgbe_phy_qsfp_passive_unknown:
606 case ixgbe_phy_qsfp_active_unknown:
607 case ixgbe_phy_qsfp_intel:
608 case ixgbe_phy_qsfp_unknown:
609 return TRUE;
610 default:
611 return FALSE;
612 }
613 }
614
615 /* Workaround to make 8.0 buildable */
616 #if __FreeBSD_version >= 800000 && __FreeBSD_version < 800504
617 static __inline int
618 drbr_needs_enqueue(struct ifnet *ifp, struct buf_ring *br)
619 {
620 #ifdef ALTQ
621 if (ALTQ_IS_ENABLED(&ifp->if_snd))
622 return (1);
623 #endif
624 return (!buf_ring_empty(br));
625 }
626 #endif
627
628 /*
629 ** Find the number of unrefreshed RX descriptors
630 */
631 static inline u16
632 ixgbe_rx_unrefreshed(struct rx_ring *rxr)
633 {
634 if (rxr->next_to_check > rxr->next_to_refresh)
635 return (rxr->next_to_check - rxr->next_to_refresh - 1);
636 else
637 return ((rxr->num_desc + rxr->next_to_check) -
638 rxr->next_to_refresh - 1);
639 }
640
641 /*
642 ** This checks for a zero mac addr, something that will be likely
643 ** unless the Admin on the Host has created one.
644 */
645 static inline bool
646 ixv_check_ether_addr(u8 *addr)
647 {
648 bool status = TRUE;
649
650 if ((addr[0] == 0 && addr[1]== 0 && addr[2] == 0 &&
651 addr[3] == 0 && addr[4]== 0 && addr[5] == 0))
652 status = FALSE;
653 return (status);
654 }
655
656 /* Shared Prototypes */
657
658 #ifdef IXGBE_LEGACY_TX
659 void ixgbe_start(struct ifnet *);
660 void ixgbe_start_locked(struct tx_ring *, struct ifnet *);
661 #else /* ! IXGBE_LEGACY_TX */
662 int ixgbe_mq_start(struct ifnet *, struct mbuf *);
663 int ixgbe_mq_start_locked(struct ifnet *, struct tx_ring *);
664 void ixgbe_qflush(struct ifnet *);
665 void ixgbe_deferred_mq_start(void *, int);
666 #endif /* IXGBE_LEGACY_TX */
667
668 int ixgbe_allocate_queues(struct adapter *);
669 int ixgbe_allocate_transmit_buffers(struct tx_ring *);
670 int ixgbe_setup_transmit_structures(struct adapter *);
671 void ixgbe_free_transmit_structures(struct adapter *);
672 int ixgbe_allocate_receive_buffers(struct rx_ring *);
673 int ixgbe_setup_receive_structures(struct adapter *);
674 void ixgbe_free_receive_structures(struct adapter *);
675 void ixgbe_txeof(struct tx_ring *);
676 bool ixgbe_rxeof(struct ix_queue *);
677
678 int ixgbe_dma_malloc(struct adapter *,
679 bus_size_t, struct ixgbe_dma_alloc *, int);
680 void ixgbe_dma_free(struct adapter *, struct ixgbe_dma_alloc *);
681 #endif /* _IXGBE_H_ */
682