1 /* $NetBSD: ixgbe.h,v 1.100 2025/02/26 04:49:46 andvar 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: 2048 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 2048
129 #define MAX_TXD               4096
130 #define MIN_TXD               64
131 
132 /*
133  * RxDescriptors Valid Range: 64-4096 Default Value: 2048 This value is the
134  * number of receive descriptors allocated for each RX queue. Increasing this
135  * value allows the driver to buffer more incoming packets. Each descriptor
136  * is 16 bytes.  A receive buffer is also allocated for each descriptor.
137  *
138  * Note: with 8 rings and a dual port card, it is possible to bump up
139  *        against the system mbuf pool limit, you can tune nmbclusters
140  *        to adjust for this.
141  */
142 #define DEFAULT_RXD 2048
143 #define MAX_RXD               4096
144 #define MIN_RXD               64
145 
146 /* Alignment for rings */
147 #define DBA_ALIGN   128
148 
149 /*
150  * This is the max watchdog interval, ie. the time that can
151  * pass between any two TX clean operations, such only happening
152  * when the TX hardware is functioning.
153  */
154 #define IXGBE_WATCHDOG  (10 * hz)
155 
156 /*
157  * This parameters control when the driver calls the routine to reclaim
158  * transmit descriptors.
159  */
160 #define IXGBE_TX_CLEANUP_THRESHOLD(_a)  ((_a)->num_tx_desc / 8)
161 #define IXGBE_TX_OP_THRESHOLD(_a)       ((_a)->num_tx_desc / 32)
162 
163 /* These defines are used in MTU calculations */
164 #define IXGBE_MAX_FRAME_SIZE  9728
165 #define IXGBE_MTU_HDR         (ETHER_HDR_LEN + ETHER_CRC_LEN)
166 #define IXGBE_MTU_HDR_VLAN    (ETHER_HDR_LEN + ETHER_CRC_LEN + \
167                                ETHER_VLAN_ENCAP_LEN)
168 #define IXGBE_MAX_MTU         (IXGBE_MAX_FRAME_SIZE - IXGBE_MTU_HDR)
169 #define IXGBE_MAX_MTU_VLAN    (IXGBE_MAX_FRAME_SIZE - IXGBE_MTU_HDR_VLAN)
170 
171 /* Flow control constants */
172 #define IXGBE_FC_PAUSE        0xFFFF
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 IXGBE_RX_COPY_LEN_MAX     (MHLEN - ETHER_ALIGN)
185 
186 /*
187  * Default TX WTHRESH value.
188  * Currently, we don't use the Tx Head Pointer Write Back function.
189  */
190 #define IXGBE_TX_WTHRESH      5
191 
192 /*
193  * The max number of descriptors that one packet can use is 40 - WTHRESH - 2.
194  * Though 82598 does not have this limit, we don't want long TX chain.
195  * 33 should be large enough even for 64K TSO
196  * (32 * 2K mbuf cluster and 1 x mbuf header).
197  *
198  * Reference: 82599-X550 datasheet 7.2.1.1 "Transmit Storage in System Memory".
199  */
200 #define IXGBE_82599_SCATTER_MAX         (40 - IXGBE_TX_WTHRESH - 2)
201 #define IXGBE_SCATTER_DEFAULT 33
202 
203 /* Defines for printing debug information */
204 #define DEBUG_INIT  0
205 #define DEBUG_IOCTL 0
206 #define DEBUG_HW    0
207 
208 #define INIT_DEBUGOUT(S)            if (DEBUG_INIT)  printf(S "\n")
209 #define INIT_DEBUGOUT1(S, A)        if (DEBUG_INIT)  printf(S "\n", A)
210 #define INIT_DEBUGOUT2(S, A, B)     if (DEBUG_INIT)  printf(S "\n", A, B)
211 #define IOCTL_DEBUGOUT(S)           if (DEBUG_IOCTL) printf(S "\n")
212 #define IOCTL_DEBUGOUT1(S, A)       if (DEBUG_IOCTL) printf(S "\n", A)
213 #define IOCTL_DEBUGOUT2(S, A, B)    if (DEBUG_IOCTL) printf(S "\n", A, B)
214 #define HW_DEBUGOUT(S)              if (DEBUG_HW) printf(S "\n")
215 #define HW_DEBUGOUT1(S, A)          if (DEBUG_HW) printf(S "\n", A)
216 #define HW_DEBUGOUT2(S, A, B)       if (DEBUG_HW) printf(S "\n", A, B)
217 
218 #define MAX_NUM_MULTICAST_ADDRESSES     128
219 #define MSIX_82598_BAR                  3
220 #define MSIX_82599_BAR                  4
221 #define IXGBE_TSO_SIZE                  262140
222 #define IXGBE_RX_HDR                    128
223 #define IXGBE_VFTA_SIZE                 128
224 #define IXGBE_BR_SIZE                   2048
225 #define IXGBE_QUEUE_MIN_FREE            32
226 #define IXGBE_MAX_TX_BUSY               10
227 #define IXGBE_QUEUE_HUNG                0x80000000
228 
229 #define IXGBE_EITR_DEFAULT              128
230 
231 /* IOCTL define to gather SFP+ Diagnostic data */
232 #define SIOCGI2C    SIOCGIFGENERIC
233 
234 /* Offload bits in mbuf flag */
235 #define   M_CSUM_OFFLOAD      \
236     (M_CSUM_IPv4|M_CSUM_UDPv4|M_CSUM_TCPv4|M_CSUM_UDPv6|M_CSUM_TCPv6)
237 
238 /* Backward compatibility items for very old versions */
239 #ifndef pci_find_cap
240 #define pci_find_cap pci_find_extcap
241 #endif
242 
243 #ifndef DEVMETHOD_END
244 #define DEVMETHOD_END { NULL, NULL }
245 #endif
246 
247 /*
248  * Interrupt Moderation parameters
249  */
250 #define IXGBE_LOW_LATENCY     128
251 #define IXGBE_AVE_LATENCY     400
252 #define IXGBE_BULK_LATENCY    1200
253 
254 /* Using 1FF (the max value), the interval is ~1.05ms */
255 #define IXGBE_LINK_ITR_QUANTA  0x1FF
256 #define IXGBE_LINK_ITR         ((IXGBE_LINK_ITR_QUANTA << 3) & \
257                                 IXGBE_EITR_ITR_INT_MASK)
258 
259 
260 /************************************************************************
261  * vendor_info_array
262  *
263  *   Contains the list of Subvendor/Subdevice IDs on
264  *   which the driver should load.
265  ************************************************************************/
266 typedef struct _ixgbe_vendor_info_t {
267           unsigned int vendor_id;
268           unsigned int device_id;
269           unsigned int subvendor_id;
270           unsigned int subdevice_id;
271           unsigned int index;
272 } ixgbe_vendor_info_t;
273 
274 /* This is used to get SFP+ module data */
275 struct ixgbe_i2c_req {
276           u8 dev_addr;
277           u8 offset;
278           u8 len;
279           u8 data[8];
280 };
281 
282 struct ixgbe_bp_data {
283           u32 low;
284           u32 high;
285           u32 log;
286 };
287 
288 struct ixgbe_tx_buf {
289           union ixgbe_adv_tx_desc       *eop;
290           struct mbuf             *m_head;
291           bus_dmamap_t            map;
292 };
293 
294 struct ixgbe_rx_buf {
295           struct mbuf    *buf;
296           struct mbuf    *fmp;
297           bus_dmamap_t   pmap;
298           u_int          flags;
299 #define IXGBE_RX_COPY  0x01
300           uint64_t       addr;
301 };
302 
303 /*
304  * Bus dma allocation structure used by ixgbe_dma_malloc and ixgbe_dma_free
305  */
306 struct ixgbe_dma_alloc {
307           bus_addr_t        dma_paddr;
308           void              *dma_vaddr;
309           ixgbe_dma_tag_t   *dma_tag;
310           bus_dmamap_t      dma_map;
311           bus_dma_segment_t dma_seg;
312           bus_size_t        dma_size;
313 };
314 
315 struct ixgbe_mc_addr {
316           u8  addr[IXGBE_ETH_LENGTH_OF_ADDRESS];
317           u32 vmdq;
318 };
319 
320 /*
321  * Driver queue struct: this is the interrupt container
322  *                      for the associated tx and rx ring.
323  */
324 struct ix_queue {
325           struct ixgbe_softc *sc;
326           u32              msix;           /* This queue's MSI-X vector */
327           u32              eitr_setting;
328           u8               me;
329           struct resource  *res;
330           int              busy;
331           struct tx_ring   *txr;
332           struct rx_ring   *rxr;
333           struct work      wq_cookie;
334           void             *que_si;
335           /* Per queue event counters */
336           struct evcnt     irqs;                  /* Hardware interrupt */
337           struct evcnt     handleq;     /* software_interrupt */
338           struct evcnt     req;                   /* deferred */
339           char             namebuf[32]; /* Name for sysctl */
340           char             evnamebuf[32];         /* Name for evcnt */
341 
342           /* Lock for disabled_count and this queue's EIMS/EIMC bit */
343           kmutex_t         dc_mtx;
344           /*
345            * disabled_count means:
346            *     0   : this queue is enabled
347            *     > 0 : this queue is disabled
348            *           the value is ixgbe_disable_queue() called count
349            */
350           int              disabled_count;
351           bool             txrx_use_workqueue;
352 };
353 
354 /*
355  * The transmit ring, one per queue
356  */
357 struct tx_ring {
358           struct ixgbe_softc  *sc;
359           kmutex_t            tx_mtx;
360           u8                            me;
361           u32                           tail;
362           int                           busy;
363           union ixgbe_adv_tx_desc       *tx_base;
364           struct ixgbe_tx_buf *tx_buffers;
365           struct ixgbe_dma_alloc        txdma;
366           volatile u16                  tx_avail;
367           u16                           next_avail_desc;
368           u16                           next_to_clean;
369           u16                           num_desc;
370           ixgbe_dma_tag_t               *txtag;
371 #if 0
372           char                          mtx_name[16]; /* NetBSD has no mutex name */
373 #endif
374           pcq_t                         *txr_interq;
375           struct work                   wq_cookie;
376           void                          *txr_si;
377           bool                          txr_no_space; /* Like IFF_OACTIVE */
378 
379 #ifdef IXGBE_FDIR
380           /* Flow Director */
381           u16                           atr_sample;
382           u16                           atr_count;
383 #endif
384 
385           u64                           bytes;  /* Used for AIM */
386           u64                           packets;
387           /* Soft Stats */
388           struct evcnt                  total_packets;
389           struct evcnt                  pcq_drops;
390           struct evcnt                  no_desc_avail;
391           struct evcnt                  tso_tx;
392           /* Per queue counters.  The adapter total is in struct adapter */
393           u64              q_efbig_tx_dma_setup;
394           u64              q_mbuf_defrag_failed;
395           u64              q_efbig2_tx_dma_setup;
396           u64              q_einval_tx_dma_setup;
397           u64              q_other_tx_dma_setup;
398           u64              q_eagain_tx_dma_setup;
399           u64              q_enomem_tx_dma_setup;
400           u64              q_tso_err;
401 };
402 
403 
404 /*
405  * The Receive ring, one per rx queue
406  */
407 struct rx_ring {
408           struct ixgbe_softc  *sc;
409           kmutex_t            rx_mtx;
410           u8                            me;
411           u32                           tail;
412           union ixgbe_adv_rx_desc       *rx_base;
413           struct ixgbe_dma_alloc        rxdma;
414 #ifdef LRO
415           struct lro_ctrl               lro;
416           bool                          lro_enabled;
417 #endif /* LRO */
418 #ifdef RSC
419           bool                          hw_rsc;
420 #endif
421           bool                          vtag_strip;
422           bool                          discard_multidesc;
423           u16                           next_to_refresh;
424           u16                           next_to_check;
425           u16                           num_desc;
426           u16                           mbuf_sz;
427 #if 0
428           char                          mtx_name[16]; /* NetBSD has no mutex name */
429 #endif
430           struct ixgbe_rx_buf *rx_buffers;
431           ixgbe_dma_tag_t               *ptag;
432 
433           u64                           bytes; /* Used for AIM calc */
434           u64                           packets;
435 
436           /* Soft stats */
437           struct evcnt                  rx_copies;
438           struct evcnt                  rx_packets;
439           struct evcnt                  rx_bytes;
440           struct evcnt                  rx_discarded;
441           struct evcnt                  no_mbuf;
442 #ifdef RSC
443           u64                           rsc_num;
444 #endif
445 };
446 
447 struct ixgbe_vf {
448           u_int    pool;
449           u_int    rar_index;
450           u_int    max_frame_size;
451           uint32_t flags;
452           uint8_t  ether_addr[ETHER_ADDR_LEN];
453           uint16_t mc_hash[IXGBE_MAX_VF_MC];
454           uint16_t num_mc_hashes;
455           uint16_t default_vlan;
456           uint16_t vlan_tag;
457           uint16_t api_ver;
458 };
459 
460 /*
461  * NetBSD: For traffic class
462  * Currently, the following structure is only for statistics.
463  */
464 struct ixgbe_tc {
465           char             evnamebuf[32];
466 };
467 
468 /* Our adapter structure */
469 struct ixgbe_softc {
470           struct ixgbe_hw               hw;
471           struct ixgbe_osdep  osdep;
472 
473           device_t            dev;
474           struct ifnet                  *ifp;
475           struct if_percpuq   *ipq;     /* softint-based input queues */
476 
477           struct resource               *pci_mem;
478 
479           /* NetBSD: Interrupt resources are in osdep */
480 
481           struct ifmedia                media;
482           callout_t           timer;
483           struct workqueue    *timer_wq;
484           struct work                   timer_wc;
485           u_int                         timer_pending;
486 
487           u_short                       if_flags; /* saved ifp->if_flags */
488           int                           ec_capenable;       /* saved ec->ec_capenable */
489 
490           kmutex_t            core_mtx;
491 
492           unsigned int                  num_queues;
493 
494           /*
495            * Shadow VFTA table, this is needed because
496            * the real vlan filter table gets cleared during
497            * a soft reset and the driver needs to be able
498            * to repopulate it.
499            */
500           u32                           shadow_vfta[IXGBE_VFTA_SIZE];
501 
502           /* Info about the interface */
503           int                           advertise;  /* link speeds */
504           bool                          enable_aim; /* adaptive interrupt moderation */
505           int                           max_interrupt_rate;
506           int                           link_active; /* Use LINK_STATE_* value */
507           u16                           max_frame_size;
508           u16                           num_segs;
509           u32                           link_speed;
510           bool                          link_up;
511           bool                    link_enabled;
512           u32                           vector;
513           u16                           dmac;
514           u32                           phy_layer;
515 
516           /* Power management-related */
517           bool                          wol_support;
518           u32                           wufc;
519 
520           /* Mbuf cluster size */
521           u32                           rx_mbuf_sz;
522 
523           bool                          schedule_wqs_ok;
524 
525           /* Flow Director */
526           int                           fdir_reinit;
527 
528           /* Admin task */
529           struct workqueue    *admin_wq; /* Link, SFP, PHY and FDIR */
530           struct work                   admin_wc;
531           u_int                         admin_pending;
532           volatile u32                  task_requests;
533           kmutex_t            admin_mtx; /* lock for admin_pending, task_request */
534                                                      /*
535                                                       * Don't acquire this mutex while
536                                                       * holding rx_mtx or tx_mtx, and
537                                                       * vice versa.
538                                                       */
539 
540           bool                          txrx_use_workqueue;
541 
542           /*
543            * Workqueue for ixgbe_handle_que_work().
544            *
545            * que_wq's "enqueued flag" is not required, because twice
546            * workqueue_enqueue() for ixgbe_handle_que_work() is avoided by
547            * masking the queue's interrupt by EIMC. See also ixgbe_msix_que().
548            */
549           struct workqueue    *que_wq;
550           /* Workqueue for ixgbe_deferred_mq_start_work() */
551           struct workqueue    *txr_wq;
552           percpu_t            *txr_wq_enqueued;
553 
554           /*
555            * Queues:
556            *   This is the irq holder, it has
557            *   and RX/TX pair or rings associated
558            *   with it.
559            */
560           struct ix_queue               *queues;
561 
562           /*
563            * Transmit rings
564            *      Allocated at run time, an array of rings
565            */
566           struct tx_ring                *tx_rings;
567           u32                           num_tx_desc;
568           u32                           tx_process_limit;
569 
570           /*
571            * Receive rings
572            *      Allocated at run time, an array of rings
573            */
574           struct rx_ring                *rx_rings;
575           u64                           active_queues;
576           u32                           num_rx_desc;
577           u32                           rx_process_limit;
578           u32                           rx_copy_len;
579 
580           /* Multicast array memory */
581           struct ixgbe_mc_addr          *mta;
582 
583           /* SR-IOV */
584           int                     iov_mode;
585           int                           num_vfs;
586           int                           pool;
587           struct ixgbe_vf               *vfs;
588 
589           /* Bypass */
590           struct ixgbe_bp_data    bypass;
591 
592           /* Netmap */
593           void                          (*init_locked)(struct ixgbe_softc *);
594           void                          (*stop_locked)(void *);
595 
596           /* Firmware error check */
597           u_int                   recovery_mode;
598           callout_t               recovery_mode_timer;
599           struct workqueue        *recovery_mode_timer_wq;
600           struct work             recovery_mode_timer_wc;
601           u_int                         recovery_mode_timer_pending;
602 
603           /* Misc stats maintained by the driver */
604           struct evcnt                  efbig_tx_dma_setup;
605           struct evcnt                  mbuf_defrag_failed;
606           struct evcnt                  efbig2_tx_dma_setup;
607           struct evcnt                  einval_tx_dma_setup;
608           struct evcnt                  other_tx_dma_setup;
609           struct evcnt                  eagain_tx_dma_setup;
610           struct evcnt                  enomem_tx_dma_setup;
611           struct evcnt                  tso_err;
612           struct evcnt                  watchdog_events;
613           struct evcnt                  admin_irqev;
614           struct evcnt                  link_workev;
615           struct evcnt                  mod_workev;
616           struct evcnt                  msf_workev;
617           struct evcnt                  phy_workev;
618 
619           union {
620                     struct ixgbe_hw_stats pf;
621                     struct ixgbevf_hw_stats       vf;
622           } stats;
623 #if __FreeBSD_version >= 1100036
624           /* counter(9) stats */
625           u64                           ipackets;
626           u64                           ierrors;
627           u64                           opackets;
628           u64                           oerrors;
629           u64                           ibytes;
630           u64                           obytes;
631           u64                           imcasts;
632           u64                           omcasts;
633           u64                           iqdrops;
634           u64                           noproto;
635 #endif
636           /* Feature capable/enabled flags.  See ixgbe_features.h */
637           u32                     feat_cap;
638           u32                     feat_en;
639 
640           /* Traffic classes */
641           struct ixgbe_tc tcs[IXGBE_DCB_MAX_TRAFFIC_CLASS];
642 
643           struct sysctllog    *sysctllog;
644           const struct sysctlnode *sysctltop;
645           struct timeval                lasterr_time;
646 };
647 
648 /* Precision Time Sync (IEEE 1588) defines */
649 #define ETHERTYPE_IEEE1588      0x88F7
650 #define PICOSECS_PER_TICK       20833
651 #define TSYNC_UDP_PORT          319 /* UDP port for the protocol */
652 #define IXGBE_ADVTXD_TSTAMP     0x00080000
653 
654 
655 #define IXGBE_CORE_LOCK_INIT(_sc, _name) \
656           mutex_init(&(_sc)->core_mtx, MUTEX_DEFAULT, IPL_SOFTNET)
657 #define IXGBE_CORE_LOCK_DESTROY(_sc)      mutex_destroy(&(_sc)->core_mtx)
658 #define IXGBE_TX_LOCK_DESTROY(_sc)        mutex_destroy(&(_sc)->tx_mtx)
659 #define IXGBE_RX_LOCK_DESTROY(_sc)        mutex_destroy(&(_sc)->rx_mtx)
660 #define IXGBE_CORE_LOCK(_sc)              mutex_enter(&(_sc)->core_mtx)
661 #define IXGBE_TX_LOCK(_sc)                mutex_enter(&(_sc)->tx_mtx)
662 #define IXGBE_TX_TRYLOCK(_sc)             mutex_tryenter(&(_sc)->tx_mtx)
663 #define IXGBE_RX_LOCK(_sc)                mutex_enter(&(_sc)->rx_mtx)
664 #define IXGBE_CORE_UNLOCK(_sc)            mutex_exit(&(_sc)->core_mtx)
665 #define IXGBE_TX_UNLOCK(_sc)              mutex_exit(&(_sc)->tx_mtx)
666 #define IXGBE_RX_UNLOCK(_sc)              mutex_exit(&(_sc)->rx_mtx)
667 #define IXGBE_CORE_LOCK_ASSERT(_sc)       KASSERT(mutex_owned(&(_sc)->core_mtx))
668 #define IXGBE_TX_LOCK_ASSERT(_sc)         KASSERT(mutex_owned(&(_sc)->tx_mtx))
669 
670 /* External PHY register addresses */
671 #define IXGBE_PHY_CURRENT_TEMP                    0xC820
672 #define IXGBE_PHY_OVERTEMP_STATUS       0xC830
673 
674 /* Sysctl help messages; displayed with sysctl -d */
675 #define IXGBE_SYSCTL_DESC_ADV_SPEED \
676           "\nControl advertised link speed using these flags:\n" \
677           "\t0x1  - advertise 100M\n" \
678           "\t0x2  - advertise 1G\n" \
679           "\t0x4  - advertise 10G\n" \
680           "\t0x8  - advertise 10M\n" \
681           "\t0x10 - advertise 2.5G\n" \
682           "\t0x20 - advertise 5G\n\n" \
683           "\t5G, 2.5G, 100M and 10M are only supported on certain adapters."
684 
685 #define IXGBE_SYSCTL_DESC_SET_FC \
686           "\nSet flow control mode using these values:\n" \
687           "\t0 - off\n" \
688           "\t1 - rx pause\n" \
689           "\t2 - tx pause\n" \
690           "\t3 - tx and rx pause"
691 
692 /*
693  * Find the number of unrefreshed RX descriptors
694  */
695 static __inline u16
ixgbe_rx_unrefreshed(struct rx_ring * rxr)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
ixgbe_legacy_ring_empty(struct ifnet * ifp,pcq_t * dummy)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
ixgbe_mq_ring_empty(struct ifnet * dummy,pcq_t * interq)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
ixv_check_ether_addr(u8 * addr)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 sc->recovery_mode software flag which is
739  * set by ixgbe_fw_recovery_mode().
740  *
741  */
742 static inline bool
ixgbe_fw_recovery_mode_swflag(struct ixgbe_softc * sc)743 ixgbe_fw_recovery_mode_swflag(struct ixgbe_softc *sc)
744 {
745           return (sc->feat_en & IXGBE_FEATURE_RECOVERY_MODE) &&
746               atomic_load_acq_uint(&sc->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 ixgbe_softc *);
757 
758 int  ixgbe_allocate_queues(struct ixgbe_softc *);
759 void ixgbe_free_queues(struct ixgbe_softc *);
760 int  ixgbe_setup_transmit_structures(struct ixgbe_softc *);
761 void ixgbe_free_transmit_structures(struct ixgbe_softc *);
762 int  ixgbe_setup_receive_structures(struct ixgbe_softc *);
763 void ixgbe_free_receive_structures(struct ixgbe_softc *);
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 ixgbe_softc *);
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