ixgbe.h revision 1.80 1 /* $NetBSD: ixgbe.h,v 1.80 2021/09/03 08:57:58 msaitoh Exp $ */
2
3 /******************************************************************************
4 SPDX-License-Identifier: BSD-3-Clause
5
6 Copyright (c) 2001-2017, Intel Corporation
7 All rights reserved.
8
9 Redistribution and use in source and binary forms, with or without
10 modification, are permitted provided that the following conditions are met:
11
12 1. Redistributions of source code must retain the above copyright notice,
13 this list of conditions and the following disclaimer.
14
15 2. Redistributions in binary form must reproduce the above copyright
16 notice, this list of conditions and the following disclaimer in the
17 documentation and/or other materials provided with the distribution.
18
19 3. Neither the name of the Intel Corporation nor the names of its
20 contributors may be used to endorse or promote products derived from
21 this software without specific prior written permission.
22
23 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
24 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
27 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33 POSSIBILITY OF SUCH DAMAGE.
34
35 ******************************************************************************/
36 /*$FreeBSD: head/sys/dev/ixgbe/ixgbe.h 327031 2017-12-20 18:15:06Z erj $*/
37
38 /*
39 * Copyright (c) 2011 The NetBSD Foundation, Inc.
40 * All rights reserved.
41 *
42 * This code is derived from software contributed to The NetBSD Foundation
43 * by Coyote Point Systems, Inc.
44 *
45 * Redistribution and use in source and binary forms, with or without
46 * modification, are permitted provided that the following conditions
47 * are met:
48 * 1. Redistributions of source code must retain the above copyright
49 * notice, this list of conditions and the following disclaimer.
50 * 2. Redistributions in binary form must reproduce the above copyright
51 * notice, this list of conditions and the following disclaimer in the
52 * documentation and/or other materials provided with the distribution.
53 *
54 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
55 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
56 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
57 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
58 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
59 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
60 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
61 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
62 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
63 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
64 * POSSIBILITY OF SUCH DAMAGE.
65 */
66
67
68 #ifndef _IXGBE_H_
69 #define _IXGBE_H_
70
71
72 #include <sys/param.h>
73 #include <sys/reboot.h>
74 #include <sys/systm.h>
75 #include <sys/pcq.h>
76 #include <sys/mbuf.h>
77 #include <sys/protosw.h>
78 #include <sys/socket.h>
79 #include <sys/malloc.h>
80 #include <sys/kernel.h>
81 #include <sys/module.h>
82 #include <sys/sockio.h>
83 #include <sys/percpu.h>
84
85 #include <net/if.h>
86 #include <net/if_arp.h>
87 #include <net/bpf.h>
88 #include <net/if_ether.h>
89 #include <net/if_dl.h>
90 #include <net/if_media.h>
91
92 #include <net/if_types.h>
93 #include <net/if_vlanvar.h>
94
95 #include <netinet/in_systm.h>
96 #include <netinet/in.h>
97 #include <netinet/ip.h>
98 #include <netinet/ip6.h>
99 #include <netinet/tcp.h>
100 #include <netinet/udp.h>
101
102 #include <sys/bus.h>
103 #include <dev/pci/pcivar.h>
104 #include <dev/pci/pcireg.h>
105 #include <sys/proc.h>
106 #include <sys/sysctl.h>
107 #include <sys/endian.h>
108 #include <sys/workqueue.h>
109 #include <sys/cpu.h>
110 #include <sys/interrupt.h>
111 #include <sys/bitops.h>
112
113 #include "ixgbe_netbsd.h"
114 #include "ixgbe_api.h"
115 #include "ixgbe_common.h"
116 #include "ixgbe_vf.h"
117 #include "ixgbe_features.h"
118
119 /* Tunables */
120
121 /*
122 * TxDescriptors Valid Range: 64-4096 Default Value: 256 This value is the
123 * number of transmit descriptors allocated by the driver. Increasing this
124 * value allows the driver to queue more transmits. Each descriptor is 16
125 * bytes. Performance tests have show the 2K value to be optimal for top
126 * performance.
127 */
128 #define DEFAULT_TXD 1024
129 #define PERFORM_TXD 2048
130 #define MAX_TXD 4096
131 #define MIN_TXD 64
132
133 /*
134 * RxDescriptors Valid Range: 64-4096 Default Value: 256 This value is the
135 * number of receive descriptors allocated for each RX queue. Increasing this
136 * value allows the driver to buffer more incoming packets. Each descriptor
137 * is 16 bytes. A receive buffer is also allocated for each descriptor.
138 *
139 * Note: with 8 rings and a dual port card, it is possible to bump up
140 * against the system mbuf pool limit, you can tune nmbclusters
141 * to adjust for this.
142 */
143 #define DEFAULT_RXD 1024
144 #define PERFORM_RXD 2048
145 #define MAX_RXD 4096
146 #define MIN_RXD 64
147
148 /* Alignment for rings */
149 #define DBA_ALIGN 128
150
151 /*
152 * This is the max watchdog interval, ie. the time that can
153 * pass between any two TX clean operations, such only happening
154 * when the TX hardware is functioning.
155 */
156 #define IXGBE_WATCHDOG (10 * hz)
157
158 /*
159 * This parameters control when the driver calls the routine to reclaim
160 * transmit descriptors.
161 */
162 #define IXGBE_TX_CLEANUP_THRESHOLD(_a) ((_a)->num_tx_desc / 8)
163 #define IXGBE_TX_OP_THRESHOLD(_a) ((_a)->num_tx_desc / 32)
164
165 /* These defines are used in MTU calculations */
166 #define IXGBE_MAX_FRAME_SIZE 9728
167 #define IXGBE_MTU_HDR (ETHER_HDR_LEN + ETHER_CRC_LEN)
168 #define IXGBE_MTU_HDR_VLAN (ETHER_HDR_LEN + ETHER_CRC_LEN + \
169 ETHER_VLAN_ENCAP_LEN)
170 #define IXGBE_MAX_MTU (IXGBE_MAX_FRAME_SIZE - IXGBE_MTU_HDR)
171 #define IXGBE_MAX_MTU_VLAN (IXGBE_MAX_FRAME_SIZE - IXGBE_MTU_HDR_VLAN)
172
173 /* Flow control constants */
174 #define IXGBE_FC_PAUSE 0xFFFF
175
176 /*
177 * Used for optimizing small rx mbufs. Effort is made to keep the copy
178 * small and aligned for the CPU L1 cache.
179 *
180 * MHLEN is typically 168 bytes, giving us 8-byte alignment. Getting
181 * 32 byte alignment needed for the fast bcopy results in 8 bytes being
182 * wasted. Getting 64 byte alignment, which _should_ be ideal for
183 * modern Intel CPUs, results in 40 bytes wasted and a significant drop
184 * in observed efficiency of the optimization, 97.9% -> 81.8%.
185 */
186 #define IXGBE_RX_COPY_LEN_MAX (MHLEN - ETHER_ALIGN)
187
188 /* Keep older OS drivers building... */
189 #if !defined(SYSCTL_ADD_UQUAD)
190 #define SYSCTL_ADD_UQUAD SYSCTL_ADD_QUAD
191 #endif
192
193 /* Defines for printing debug information */
194 #define DEBUG_INIT 0
195 #define DEBUG_IOCTL 0
196 #define DEBUG_HW 0
197
198 #define INIT_DEBUGOUT(S) if (DEBUG_INIT) printf(S "\n")
199 #define INIT_DEBUGOUT1(S, A) if (DEBUG_INIT) printf(S "\n", A)
200 #define INIT_DEBUGOUT2(S, A, B) if (DEBUG_INIT) printf(S "\n", A, B)
201 #define IOCTL_DEBUGOUT(S) if (DEBUG_IOCTL) printf(S "\n")
202 #define IOCTL_DEBUGOUT1(S, A) if (DEBUG_IOCTL) printf(S "\n", A)
203 #define IOCTL_DEBUGOUT2(S, A, B) if (DEBUG_IOCTL) printf(S "\n", A, B)
204 #define HW_DEBUGOUT(S) if (DEBUG_HW) printf(S "\n")
205 #define HW_DEBUGOUT1(S, A) if (DEBUG_HW) printf(S "\n", A)
206 #define HW_DEBUGOUT2(S, A, B) if (DEBUG_HW) printf(S "\n", A, B)
207
208 #define MAX_NUM_MULTICAST_ADDRESSES 128
209 #define IXGBE_82598_SCATTER 100
210 #define IXGBE_82599_SCATTER 32
211 #define MSIX_82598_BAR 3
212 #define MSIX_82599_BAR 4
213 #define IXGBE_TSO_SIZE 262140
214 #define IXGBE_RX_HDR 128
215 #define IXGBE_VFTA_SIZE 128
216 #define IXGBE_BR_SIZE 2048
217 #define IXGBE_QUEUE_MIN_FREE 32
218 #define IXGBE_MAX_TX_BUSY 10
219 #define IXGBE_QUEUE_HUNG 0x80000000
220
221 #define IXGBE_EITR_DEFAULT 128
222
223 /* IOCTL define to gather SFP+ Diagnostic data */
224 #define SIOCGI2C SIOCGIFGENERIC
225
226 /* Offload bits in mbuf flag */
227 #define M_CSUM_OFFLOAD \
228 (M_CSUM_IPv4|M_CSUM_UDPv4|M_CSUM_TCPv4|M_CSUM_UDPv6|M_CSUM_TCPv6)
229
230 /* Backward compatibility items for very old versions */
231 #ifndef pci_find_cap
232 #define pci_find_cap pci_find_extcap
233 #endif
234
235 #ifndef DEVMETHOD_END
236 #define DEVMETHOD_END { NULL, NULL }
237 #endif
238
239 /*
240 * Interrupt Moderation parameters
241 */
242 #define IXGBE_LOW_LATENCY 128
243 #define IXGBE_AVE_LATENCY 400
244 #define IXGBE_BULK_LATENCY 1200
245
246 /* Using 1FF (the max value), the interval is ~1.05ms */
247 #define IXGBE_LINK_ITR_QUANTA 0x1FF
248 #define IXGBE_LINK_ITR ((IXGBE_LINK_ITR_QUANTA << 3) & \
249 IXGBE_EITR_ITR_INT_MASK)
250
251
252 /************************************************************************
253 * vendor_info_array
254 *
255 * Contains the list of Subvendor/Subdevice IDs on
256 * which the driver should load.
257 ************************************************************************/
258 typedef struct _ixgbe_vendor_info_t {
259 unsigned int vendor_id;
260 unsigned int device_id;
261 unsigned int subvendor_id;
262 unsigned int subdevice_id;
263 unsigned int index;
264 } ixgbe_vendor_info_t;
265
266 /* This is used to get SFP+ module data */
267 struct ixgbe_i2c_req {
268 u8 dev_addr;
269 u8 offset;
270 u8 len;
271 u8 data[8];
272 };
273
274 struct ixgbe_bp_data {
275 u32 low;
276 u32 high;
277 u32 log;
278 };
279
280 struct ixgbe_tx_buf {
281 union ixgbe_adv_tx_desc *eop;
282 struct mbuf *m_head;
283 bus_dmamap_t map;
284 };
285
286 struct ixgbe_rx_buf {
287 struct mbuf *buf;
288 struct mbuf *fmp;
289 bus_dmamap_t pmap;
290 u_int flags;
291 #define IXGBE_RX_COPY 0x01
292 uint64_t addr;
293 };
294
295 /*
296 * Bus dma allocation structure used by ixgbe_dma_malloc and ixgbe_dma_free
297 */
298 struct ixgbe_dma_alloc {
299 bus_addr_t dma_paddr;
300 void *dma_vaddr;
301 ixgbe_dma_tag_t *dma_tag;
302 bus_dmamap_t dma_map;
303 bus_dma_segment_t dma_seg;
304 bus_size_t dma_size;
305 };
306
307 struct ixgbe_mc_addr {
308 u8 addr[IXGBE_ETH_LENGTH_OF_ADDRESS];
309 u32 vmdq;
310 };
311
312 /*
313 * Driver queue struct: this is the interrupt container
314 * for the associated tx and rx ring.
315 */
316 struct ix_queue {
317 struct adapter *adapter;
318 u32 msix; /* This queue's MSI-X vector */
319 u32 eitr_setting;
320 u32 me;
321 struct resource *res;
322 int busy;
323 struct tx_ring *txr;
324 struct rx_ring *rxr;
325 struct work wq_cookie;
326 void *que_si;
327 /* Per queue event conters */
328 struct evcnt irqs; /* Hardware interrupt */
329 struct evcnt handleq; /* software_interrupt */
330 struct evcnt req; /* deferred */
331 char namebuf[32]; /* Name for sysctl */
332 char evnamebuf[32]; /* Name for evcnt */
333
334 /* Lock for disabled_count and this queue's EIMS/EIMC bit */
335 kmutex_t dc_mtx;
336 /*
337 * disabled_count means:
338 * 0 : this queue is enabled
339 * > 0 : this queue is disabled
340 * the value is ixgbe_disable_queue() called count
341 */
342 int disabled_count;
343 bool txrx_use_workqueue;
344 };
345
346 /*
347 * The transmit ring, one per queue
348 */
349 struct tx_ring {
350 struct adapter *adapter;
351 kmutex_t tx_mtx;
352 u32 me;
353 u32 tail;
354 int busy;
355 union ixgbe_adv_tx_desc *tx_base;
356 struct ixgbe_tx_buf *tx_buffers;
357 struct ixgbe_dma_alloc txdma;
358 volatile u16 tx_avail;
359 u16 next_avail_desc;
360 u16 next_to_clean;
361 u16 num_desc;
362 ixgbe_dma_tag_t *txtag;
363 #if 0
364 char mtx_name[16]; /* NetBSD has no mutex name */
365 #endif
366 pcq_t *txr_interq;
367 struct work wq_cookie;
368 void *txr_si;
369 bool txr_no_space; /* Like IFF_OACTIVE */
370
371 /* Flow Director */
372 u16 atr_sample;
373 u16 atr_count;
374
375 u64 bytes; /* Used for AIM */
376 u64 packets;
377 /* Soft Stats */
378 struct evcnt tso_tx;
379 struct evcnt no_desc_avail;
380 struct evcnt total_packets;
381 struct evcnt pcq_drops;
382 /* Per queue conters. The adapter total is in struct adapter */
383 u64 q_efbig_tx_dma_setup;
384 u64 q_mbuf_defrag_failed;
385 u64 q_efbig2_tx_dma_setup;
386 u64 q_einval_tx_dma_setup;
387 u64 q_other_tx_dma_setup;
388 u64 q_eagain_tx_dma_setup;
389 u64 q_enomem_tx_dma_setup;
390 u64 q_tso_err;
391 };
392
393
394 /*
395 * The Receive ring, one per rx queue
396 */
397 struct rx_ring {
398 struct adapter *adapter;
399 kmutex_t rx_mtx;
400 u32 me;
401 u32 tail;
402 union ixgbe_adv_rx_desc *rx_base;
403 struct ixgbe_dma_alloc rxdma;
404 #ifdef LRO
405 struct lro_ctrl lro;
406 #endif /* LRO */
407 bool lro_enabled;
408 bool hw_rsc;
409 bool vtag_strip;
410 bool discard_multidesc;
411 u16 next_to_refresh;
412 u16 next_to_check;
413 u16 num_desc;
414 u16 mbuf_sz;
415 #if 0
416 char mtx_name[16]; /* NetBSD has no mutex name */
417 #endif
418 struct ixgbe_rx_buf *rx_buffers;
419 ixgbe_dma_tag_t *ptag;
420
421 u64 bytes; /* Used for AIM calc */
422 u64 packets;
423
424 /* Soft stats */
425 struct evcnt rx_copies;
426 struct evcnt rx_packets;
427 struct evcnt rx_bytes;
428 struct evcnt rx_discarded;
429 struct evcnt no_mbuf;
430 u64 rsc_num;
431
432 /* Flow Director */
433 u64 flm;
434 };
435
436 struct ixgbe_vf {
437 u_int pool;
438 u_int rar_index;
439 u_int max_frame_size;
440 uint32_t flags;
441 uint8_t ether_addr[ETHER_ADDR_LEN];
442 uint16_t mc_hash[IXGBE_MAX_VF_MC];
443 uint16_t num_mc_hashes;
444 uint16_t default_vlan;
445 uint16_t vlan_tag;
446 uint16_t api_ver;
447 };
448
449 /*
450 * NetBSD: For trafic class
451 * Crrently, the following structure is only for statistics.
452 */
453 struct ixgbe_tc {
454 char evnamebuf[32];
455 };
456
457 /* Our adapter structure */
458 struct adapter {
459 struct ixgbe_hw hw;
460 struct ixgbe_osdep osdep;
461
462 device_t dev;
463 struct ifnet *ifp;
464 struct if_percpuq *ipq; /* softint-based input queues */
465
466 struct resource *pci_mem;
467 struct resource *msix_mem;
468
469 /* NetBSD: Interrupt resources are in osdep */
470
471 struct ifmedia media;
472 callout_t timer;
473 struct workqueue *timer_wq;
474 struct work timer_wc;
475 u_int timer_pending;
476
477 u_short if_flags; /* saved ifp->if_flags */
478 int ec_capenable; /* saved ec->ec_capenable */
479
480 kmutex_t core_mtx;
481
482 unsigned int num_queues;
483
484 /*
485 * Shadow VFTA table, this is needed because
486 * the real vlan filter table gets cleared during
487 * a soft reset and the driver needs to be able
488 * to repopulate it.
489 */
490 u32 shadow_vfta[IXGBE_VFTA_SIZE];
491
492 /* Info about the interface */
493 int advertise; /* link speeds */
494 bool enable_aim; /* adaptive interrupt moderation */
495 int link_active; /* Use LINK_STATE_* value */
496 u16 max_frame_size;
497 u16 num_segs;
498 u32 link_speed;
499 bool link_up;
500 u32 vector;
501 u16 dmac;
502 u32 phy_layer;
503
504 /* Power management-related */
505 bool wol_support;
506 u32 wufc;
507
508 /* Mbuf cluster size */
509 u32 rx_mbuf_sz;
510
511 bool schedule_wqs_ok;
512
513 /* Flow Director */
514 int fdir_reinit;
515
516 /* Admin task */
517 struct workqueue *admin_wq; /* Link, SFP, PHY and FDIR */
518 struct work admin_wc;
519 u_int admin_pending;
520 volatile u32 task_requests;
521 kmutex_t admin_mtx; /* lock for admin_pending, task_request */
522 /*
523 * Don't acquire this mutex while
524 * holding rx_mtx or tx_mtx, and
525 * vice versa.
526 */
527
528 bool txrx_use_workqueue;
529
530 /*
531 * Workqueue for ixgbe_handle_que_work().
532 *
533 * que_wq's "enqueued flag" is not required, because twice
534 * workqueue_enqueue() for ixgbe_handle_que_work() is avoided by
535 * masking the queue's interrupt by EIMC. See also ixgbe_msix_que().
536 */
537 struct workqueue *que_wq;
538 /* Workqueue for ixgbe_deferred_mq_start_work() */
539 struct workqueue *txr_wq;
540 percpu_t *txr_wq_enqueued;
541
542 /*
543 * Queues:
544 * This is the irq holder, it has
545 * and RX/TX pair or rings associated
546 * with it.
547 */
548 struct ix_queue *queues;
549
550 /*
551 * Transmit rings
552 * Allocated at run time, an array of rings
553 */
554 struct tx_ring *tx_rings;
555 u32 num_tx_desc;
556 u32 tx_process_limit;
557
558 /*
559 * Receive rings
560 * Allocated at run time, an array of rings
561 */
562 struct rx_ring *rx_rings;
563 u64 active_queues;
564 u32 num_rx_desc;
565 u32 rx_process_limit;
566 u32 rx_copy_len;
567
568 /* Multicast array memory */
569 struct ixgbe_mc_addr *mta;
570
571 /* SR-IOV */
572 int iov_mode;
573 int num_vfs;
574 int pool;
575 struct ixgbe_vf *vfs;
576
577 /* Bypass */
578 struct ixgbe_bp_data bypass;
579
580 /* Netmap */
581 void (*init_locked)(struct adapter *);
582 void (*stop_locked)(void *);
583
584 /* Firmware error check */
585 u_int recovery_mode;
586 callout_t recovery_mode_timer;
587 struct workqueue *recovery_mode_timer_wq;
588 struct work recovery_mode_timer_wc;
589 u_int recovery_mode_timer_pending;
590
591 /* Misc stats maintained by the driver */
592 struct evcnt efbig_tx_dma_setup;
593 struct evcnt mbuf_defrag_failed;
594 struct evcnt efbig2_tx_dma_setup;
595 struct evcnt einval_tx_dma_setup;
596 struct evcnt other_tx_dma_setup;
597 struct evcnt eagain_tx_dma_setup;
598 struct evcnt enomem_tx_dma_setup;
599 struct evcnt tso_err;
600 struct evcnt watchdog_events;
601 struct evcnt admin_irqev;
602 struct evcnt link_workev;
603 struct evcnt mod_workev;
604 struct evcnt msf_workev;
605 struct evcnt phy_workev;
606
607 union {
608 struct ixgbe_hw_stats pf;
609 struct ixgbevf_hw_stats vf;
610 } stats;
611 #if __FreeBSD_version >= 1100036
612 /* counter(9) stats */
613 u64 ipackets;
614 u64 ierrors;
615 u64 opackets;
616 u64 oerrors;
617 u64 ibytes;
618 u64 obytes;
619 u64 imcasts;
620 u64 omcasts;
621 u64 iqdrops;
622 u64 noproto;
623 #endif
624 /* Feature capable/enabled flags. See ixgbe_features.h */
625 u32 feat_cap;
626 u32 feat_en;
627
628 /* Traffic classes */
629 struct ixgbe_tc tcs[IXGBE_DCB_MAX_TRAFFIC_CLASS];
630
631 struct sysctllog *sysctllog;
632 const struct sysctlnode *sysctltop;
633 };
634
635 /* Precision Time Sync (IEEE 1588) defines */
636 #define ETHERTYPE_IEEE1588 0x88F7
637 #define PICOSECS_PER_TICK 20833
638 #define TSYNC_UDP_PORT 319 /* UDP port for the protocol */
639 #define IXGBE_ADVTXD_TSTAMP 0x00080000
640
641
642 #define IXGBE_CORE_LOCK_INIT(_sc, _name) \
643 mutex_init(&(_sc)->core_mtx, MUTEX_DEFAULT, IPL_SOFTNET)
644 #define IXGBE_CORE_LOCK_DESTROY(_sc) mutex_destroy(&(_sc)->core_mtx)
645 #define IXGBE_TX_LOCK_DESTROY(_sc) mutex_destroy(&(_sc)->tx_mtx)
646 #define IXGBE_RX_LOCK_DESTROY(_sc) mutex_destroy(&(_sc)->rx_mtx)
647 #define IXGBE_CORE_LOCK(_sc) mutex_enter(&(_sc)->core_mtx)
648 #define IXGBE_TX_LOCK(_sc) mutex_enter(&(_sc)->tx_mtx)
649 #define IXGBE_TX_TRYLOCK(_sc) mutex_tryenter(&(_sc)->tx_mtx)
650 #define IXGBE_RX_LOCK(_sc) mutex_enter(&(_sc)->rx_mtx)
651 #define IXGBE_CORE_UNLOCK(_sc) mutex_exit(&(_sc)->core_mtx)
652 #define IXGBE_TX_UNLOCK(_sc) mutex_exit(&(_sc)->tx_mtx)
653 #define IXGBE_RX_UNLOCK(_sc) mutex_exit(&(_sc)->rx_mtx)
654 #define IXGBE_CORE_LOCK_ASSERT(_sc) KASSERT(mutex_owned(&(_sc)->core_mtx))
655 #define IXGBE_TX_LOCK_ASSERT(_sc) KASSERT(mutex_owned(&(_sc)->tx_mtx))
656
657 /* External PHY register addresses */
658 #define IXGBE_PHY_CURRENT_TEMP 0xC820
659 #define IXGBE_PHY_OVERTEMP_STATUS 0xC830
660
661 /* Sysctl help messages; displayed with sysctl -d */
662 #define IXGBE_SYSCTL_DESC_ADV_SPEED \
663 "\nControl advertised link speed using these flags:\n" \
664 "\t0x01 - advertise 100M\n" \
665 "\t0x02 - advertise 1G\n" \
666 "\t0x04 - advertise 10G\n" \
667 "\t0x08 - advertise 10M\n" \
668 "\t0x10 - advertise 2.5G\n" \
669 "\t0x20 - advertise 5G\n\n" \
670 "\t5G, 2.5G, 100M and 10M are only supported on certain adapters."
671
672 #define IXGBE_SYSCTL_DESC_SET_FC \
673 "\nSet flow control mode using these values:\n" \
674 "\t0 - off\n" \
675 "\t1 - rx pause\n" \
676 "\t2 - tx pause\n" \
677 "\t3 - tx and rx pause"
678
679 /* Workaround to make 8.0 buildable */
680 #if __FreeBSD_version >= 800000 && __FreeBSD_version < 800504
681 static __inline int
682 drbr_needs_enqueue(struct ifnet *ifp, struct buf_ring *br)
683 {
684 #ifdef ALTQ
685 if (ALTQ_IS_ENABLED(&ifp->if_snd))
686 return (1);
687 #endif
688 return (!buf_ring_empty(br));
689 }
690 #endif
691
692 /*
693 * Find the number of unrefreshed RX descriptors
694 */
695 static __inline u16
696 ixgbe_rx_unrefreshed(struct rx_ring *rxr)
697 {
698 if (rxr->next_to_check > rxr->next_to_refresh)
699 return (rxr->next_to_check - rxr->next_to_refresh - 1);
700 else
701 return ((rxr->num_desc + rxr->next_to_check) -
702 rxr->next_to_refresh - 1);
703 }
704
705 static __inline int
706 ixgbe_legacy_ring_empty(struct ifnet *ifp, pcq_t *dummy)
707 {
708 UNREFERENCED_1PARAMETER(dummy);
709
710 return IFQ_IS_EMPTY(&ifp->if_snd);
711 }
712
713 static __inline int
714 ixgbe_mq_ring_empty(struct ifnet *dummy, pcq_t *interq)
715 {
716 UNREFERENCED_1PARAMETER(dummy);
717
718 return (pcq_peek(interq) == NULL);
719 }
720
721 /*
722 * This checks for a zero mac addr, something that will be likely
723 * unless the Admin on the Host has created one.
724 */
725 static __inline bool
726 ixv_check_ether_addr(u8 *addr)
727 {
728 bool status = TRUE;
729
730 if ((addr[0] == 0 && addr[1]== 0 && addr[2] == 0 &&
731 addr[3] == 0 && addr[4]== 0 && addr[5] == 0))
732 status = FALSE;
733
734 return (status);
735 }
736
737 /*
738 * This checks the adapter->recovery_mode software flag which is
739 * set by ixgbe_fw_recovery_mode().
740 *
741 */
742 static inline bool
743 ixgbe_fw_recovery_mode_swflag(struct adapter *adapter)
744 {
745 return (adapter->feat_en & IXGBE_FEATURE_RECOVERY_MODE) &&
746 atomic_load_acq_uint(&adapter->recovery_mode);
747 }
748
749 /* Shared Prototypes */
750 void ixgbe_legacy_start(struct ifnet *);
751 int ixgbe_legacy_start_locked(struct ifnet *, struct tx_ring *);
752 int ixgbe_mq_start(struct ifnet *, struct mbuf *);
753 int ixgbe_mq_start_locked(struct ifnet *, struct tx_ring *);
754 void ixgbe_deferred_mq_start(void *);
755 void ixgbe_deferred_mq_start_work(struct work *, void *);
756 void ixgbe_drain_all(struct adapter *);
757
758 int ixgbe_allocate_queues(struct adapter *);
759 void ixgbe_free_queues(struct adapter *);
760 int ixgbe_setup_transmit_structures(struct adapter *);
761 void ixgbe_free_transmit_structures(struct adapter *);
762 int ixgbe_setup_receive_structures(struct adapter *);
763 void ixgbe_free_receive_structures(struct adapter *);
764 bool ixgbe_txeof(struct tx_ring *);
765 bool ixgbe_rxeof(struct ix_queue *);
766
767 #define IXGBE_REQUEST_TASK_MOD 0x01
768 #define IXGBE_REQUEST_TASK_MOD_WOI 0x02
769 #define IXGBE_REQUEST_TASK_MSF 0x04
770 #define IXGBE_REQUEST_TASK_MSF_WOI 0x08
771 #define IXGBE_REQUEST_TASK_MBX 0x10
772 #define IXGBE_REQUEST_TASK_FDIR 0x20
773 #define IXGBE_REQUEST_TASK_PHY 0x40
774 #define IXGBE_REQUEST_TASK_LSC 0x80
775
776 /* For NetBSD */
777 const struct sysctlnode *ixgbe_sysctl_instance(struct adapter *);
778
779 #include "ixgbe_bypass.h"
780 #include "ixgbe_fdir.h"
781 #include "ixgbe_rss.h"
782 #include "ixgbe_netmap.h"
783
784 #endif /* _IXGBE_H_ */
785