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ixgbe.h revision 1.45
      1 /* $NetBSD: ixgbe.h,v 1.45 2018/04/19 21:50:09 christos 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/bpf.h>
     93 #include <net/if_types.h>
     94 #include <net/if_vlanvar.h>
     95 
     96 #include <netinet/in_systm.h>
     97 #include <netinet/in.h>
     98 #include <netinet/ip.h>
     99 #include <netinet/ip6.h>
    100 #include <netinet/tcp.h>
    101 #include <netinet/udp.h>
    102 
    103 #include <sys/bus.h>
    104 #include <dev/pci/pcivar.h>
    105 #include <dev/pci/pcireg.h>
    106 #include <sys/proc.h>
    107 #include <sys/sysctl.h>
    108 #include <sys/endian.h>
    109 #include <sys/workqueue.h>
    110 #include <sys/cpu.h>
    111 #include <sys/interrupt.h>
    112 #include <sys/bitops.h>
    113 
    114 #include "ixgbe_netbsd.h"
    115 #include "ixgbe_api.h"
    116 #include "ixgbe_common.h"
    117 #include "ixgbe_vf.h"
    118 #include "ixgbe_features.h"
    119 
    120 /* Tunables */
    121 
    122 /*
    123  * TxDescriptors Valid Range: 64-4096 Default Value: 256 This value is the
    124  * number of transmit descriptors allocated by the driver. Increasing this
    125  * value allows the driver to queue more transmits. Each descriptor is 16
    126  * bytes. Performance tests have show the 2K value to be optimal for top
    127  * performance.
    128  */
    129 #define DEFAULT_TXD	1024
    130 #define PERFORM_TXD	2048
    131 #define MAX_TXD		4096
    132 #define MIN_TXD		64
    133 
    134 /*
    135  * RxDescriptors Valid Range: 64-4096 Default Value: 256 This value is the
    136  * number of receive descriptors allocated for each RX queue. Increasing this
    137  * value allows the driver to buffer more incoming packets. Each descriptor
    138  * is 16 bytes.  A receive buffer is also allocated for each descriptor.
    139  *
    140  * Note: with 8 rings and a dual port card, it is possible to bump up
    141  *	against the system mbuf pool limit, you can tune nmbclusters
    142  *	to adjust for this.
    143  */
    144 #define DEFAULT_RXD	1024
    145 #define PERFORM_RXD	2048
    146 #define MAX_RXD		4096
    147 #define MIN_RXD		64
    148 
    149 /* Alignment for rings */
    150 #define DBA_ALIGN	128
    151 
    152 /*
    153  * This is the max watchdog interval, ie. the time that can
    154  * pass between any two TX clean operations, such only happening
    155  * when the TX hardware is functioning.
    156  */
    157 #define IXGBE_WATCHDOG  (10 * hz)
    158 
    159 /*
    160  * This parameters control when the driver calls the routine to reclaim
    161  * transmit descriptors.
    162  */
    163 #define IXGBE_TX_CLEANUP_THRESHOLD(_a)  ((_a)->num_tx_desc / 8)
    164 #define IXGBE_TX_OP_THRESHOLD(_a)       ((_a)->num_tx_desc / 32)
    165 
    166 /* These defines are used in MTU calculations */
    167 #define IXGBE_MAX_FRAME_SIZE  9728
    168 #define IXGBE_MTU_HDR         (ETHER_HDR_LEN + ETHER_CRC_LEN)
    169 #define IXGBE_MTU_HDR_VLAN    (ETHER_HDR_LEN + ETHER_CRC_LEN + \
    170                                ETHER_VLAN_ENCAP_LEN)
    171 #define IXGBE_MAX_MTU         (IXGBE_MAX_FRAME_SIZE - IXGBE_MTU_HDR)
    172 #define IXGBE_MAX_MTU_VLAN    (IXGBE_MAX_FRAME_SIZE - IXGBE_MTU_HDR_VLAN)
    173 
    174 /* Flow control constants */
    175 #define IXGBE_FC_PAUSE        0xFFFF
    176 
    177 /*
    178  * Used for optimizing small rx mbufs.  Effort is made to keep the copy
    179  * small and aligned for the CPU L1 cache.
    180  *
    181  * MHLEN is typically 168 bytes, giving us 8-byte alignment.  Getting
    182  * 32 byte alignment needed for the fast bcopy results in 8 bytes being
    183  * wasted.  Getting 64 byte alignment, which _should_ be ideal for
    184  * modern Intel CPUs, results in 40 bytes wasted and a significant drop
    185  * in observed efficiency of the optimization, 97.9% -> 81.8%.
    186  */
    187 #define	MPKTHSIZE		(offsetof(struct _mbuf_dummy, m_pktdat))
    188 #define IXGBE_RX_COPY_HDR_PADDED  ((((MPKTHSIZE - 1) / 32) + 1) * 32)
    189 #define IXGBE_RX_COPY_LEN         (MSIZE - IXGBE_RX_COPY_HDR_PADDED)
    190 #define IXGBE_RX_COPY_ALIGN       (IXGBE_RX_COPY_HDR_PADDED - MPKTHSIZE)
    191 
    192 /* Keep older OS drivers building... */
    193 #if !defined(SYSCTL_ADD_UQUAD)
    194 #define SYSCTL_ADD_UQUAD SYSCTL_ADD_QUAD
    195 #endif
    196 
    197 /* Defines for printing debug information */
    198 #define DEBUG_INIT  0
    199 #define DEBUG_IOCTL 0
    200 #define DEBUG_HW    0
    201 
    202 #define INIT_DEBUGOUT(S)            if (DEBUG_INIT)  printf(S "\n")
    203 #define INIT_DEBUGOUT1(S, A)        if (DEBUG_INIT)  printf(S "\n", A)
    204 #define INIT_DEBUGOUT2(S, A, B)     if (DEBUG_INIT)  printf(S "\n", A, B)
    205 #define IOCTL_DEBUGOUT(S)           if (DEBUG_IOCTL) printf(S "\n")
    206 #define IOCTL_DEBUGOUT1(S, A)       if (DEBUG_IOCTL) printf(S "\n", A)
    207 #define IOCTL_DEBUGOUT2(S, A, B)    if (DEBUG_IOCTL) printf(S "\n", A, B)
    208 #define HW_DEBUGOUT(S)              if (DEBUG_HW) printf(S "\n")
    209 #define HW_DEBUGOUT1(S, A)          if (DEBUG_HW) printf(S "\n", A)
    210 #define HW_DEBUGOUT2(S, A, B)       if (DEBUG_HW) printf(S "\n", A, B)
    211 
    212 #define MAX_NUM_MULTICAST_ADDRESSES     128
    213 #define IXGBE_82598_SCATTER             100
    214 #define IXGBE_82599_SCATTER             32
    215 #define MSIX_82598_BAR                  3
    216 #define MSIX_82599_BAR                  4
    217 #define IXGBE_TSO_SIZE                  262140
    218 #define IXGBE_RX_HDR                    128
    219 #define IXGBE_VFTA_SIZE                 128
    220 #define IXGBE_BR_SIZE                   4096
    221 #define IXGBE_QUEUE_MIN_FREE            32
    222 #define IXGBE_MAX_TX_BUSY               10
    223 #define IXGBE_QUEUE_HUNG                0x80000000
    224 
    225 #define IXGBE_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 
    250 /* Using 1FF (the max value), the interval is ~1.05ms */
    251 #define IXGBE_LINK_ITR_QUANTA  0x1FF
    252 #define IXGBE_LINK_ITR         ((IXGBE_LINK_ITR_QUANTA << 3) & \
    253                                 IXGBE_EITR_ITR_INT_MASK)
    254 
    255 
    256 /************************************************************************
    257  * vendor_info_array
    258  *
    259  *   Contains the list of Subvendor/Subdevice IDs on
    260  *   which the driver should load.
    261  ************************************************************************/
    262 typedef struct _ixgbe_vendor_info_t {
    263 	unsigned int vendor_id;
    264 	unsigned int device_id;
    265 	unsigned int subvendor_id;
    266 	unsigned int subdevice_id;
    267 	unsigned int index;
    268 } ixgbe_vendor_info_t;
    269 
    270 /* This is used to get SFP+ module data */
    271 struct ixgbe_i2c_req {
    272         u8 dev_addr;
    273         u8 offset;
    274         u8 len;
    275         u8 data[8];
    276 };
    277 
    278 struct ixgbe_bp_data {
    279 	u32 low;
    280 	u32 high;
    281 	u32 log;
    282 };
    283 
    284 struct ixgbe_tx_buf {
    285 	union ixgbe_adv_tx_desc	*eop;
    286 	struct mbuf             *m_head;
    287 	bus_dmamap_t            map;
    288 };
    289 
    290 struct ixgbe_rx_buf {
    291 	struct mbuf    *buf;
    292 	struct mbuf    *fmp;
    293 	bus_dmamap_t   pmap;
    294 	u_int          flags;
    295 #define IXGBE_RX_COPY  0x01
    296 	uint64_t       addr;
    297 };
    298 
    299 /*
    300  * Bus dma allocation structure used by ixgbe_dma_malloc and ixgbe_dma_free
    301  */
    302 struct ixgbe_dma_alloc {
    303 	bus_addr_t        dma_paddr;
    304 	void              *dma_vaddr;
    305 	ixgbe_dma_tag_t   *dma_tag;
    306 	bus_dmamap_t      dma_map;
    307 	bus_dma_segment_t dma_seg;
    308 	bus_size_t        dma_size;
    309 };
    310 
    311 struct ixgbe_mc_addr {
    312 	u8  addr[IXGBE_ETH_LENGTH_OF_ADDRESS];
    313 	u32 vmdq;
    314 };
    315 
    316 /*
    317  * Driver queue struct: this is the interrupt container
    318  *                      for the associated tx and rx ring.
    319  */
    320 struct ix_queue {
    321 	struct adapter   *adapter;
    322 	u32              msix;           /* This queue's MSI-X vector */
    323 	u32              eitr_setting;
    324 	u32              me;
    325 	struct resource  *res;
    326 	int              busy;
    327 	struct tx_ring   *txr;
    328 	struct rx_ring   *rxr;
    329 	struct work      wq_cookie;
    330 	void             *que_si;
    331 	/* Per queue event conters */
    332 	struct evcnt     irqs;		/* Hardware interrupt */
    333 	struct evcnt     handleq;	/* software_interrupt */
    334 	struct evcnt     req;		/* deferred */
    335 	char             namebuf[32];
    336 	char             evnamebuf[32];
    337 
    338 	kmutex_t         dc_mtx;	/* lock for disabled_count and this queue's EIMS/EIMC bit */
    339 	int              disabled_count;/*
    340 					 * means
    341 					 *     0   : this queue is enabled
    342 					 *     > 0 : this queue is disabled
    343 					 *           the value is ixgbe_disable_queue() called count
    344 					 */
    345 	bool             txrx_use_workqueue;
    346 };
    347 
    348 /*
    349  * The transmit ring, one per queue
    350  */
    351 struct tx_ring {
    352         struct adapter		*adapter;
    353 	kmutex_t		tx_mtx;
    354 	u32			me;
    355 	u32			tail;
    356 	int			busy;
    357 	union ixgbe_adv_tx_desc	*tx_base;
    358 	struct ixgbe_tx_buf	*tx_buffers;
    359 	struct ixgbe_dma_alloc	txdma;
    360 	volatile u16		tx_avail;
    361 	u16			next_avail_desc;
    362 	u16			next_to_clean;
    363 	u16			num_desc;
    364 	ixgbe_dma_tag_t		*txtag;
    365 #if 0
    366 	char			mtx_name[16]; /* NetBSD has no mutex name */
    367 #endif
    368 	pcq_t			*txr_interq;
    369 	struct work		wq_cookie;
    370 	void			*txr_si;
    371 
    372 	/* Flow Director */
    373 	u16			atr_sample;
    374 	u16			atr_count;
    375 
    376 	u64			bytes;  /* used for AIM */
    377 	u64			packets;
    378 	/* Soft Stats */
    379 	struct evcnt	   	tso_tx;
    380 	struct evcnt		no_desc_avail;
    381 	struct evcnt		total_packets;
    382 	struct evcnt		pcq_drops;
    383 	/* Per queue conters.  The adapter total is in struct adapter */
    384 	u64              q_efbig_tx_dma_setup;
    385 	u64              q_mbuf_defrag_failed;
    386 	u64              q_efbig2_tx_dma_setup;
    387 	u64              q_einval_tx_dma_setup;
    388 	u64              q_other_tx_dma_setup;
    389 	u64              q_eagain_tx_dma_setup;
    390 	u64              q_enomem_tx_dma_setup;
    391 	u64              q_tso_err;
    392 };
    393 
    394 
    395 /*
    396  * The Receive ring, one per rx queue
    397  */
    398 struct rx_ring {
    399         struct adapter		*adapter;
    400 	kmutex_t		rx_mtx;
    401 	u32			me;
    402 	u32			tail;
    403 	union ixgbe_adv_rx_desc	*rx_base;
    404 	struct ixgbe_dma_alloc	rxdma;
    405 #ifdef LRO
    406 	struct lro_ctrl		lro;
    407 #endif /* LRO */
    408 	bool			lro_enabled;
    409 	bool			hw_rsc;
    410 	bool			vtag_strip;
    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_jmbuf;
    430 	u64 			rsc_num;
    431 
    432 	/* Flow Director */
    433 	u64			flm;
    434 };
    435 
    436 #define IXGBE_MAX_VF_MC 30  /* Max number of multicast entries */
    437 
    438 struct ixgbe_vf {
    439 	u_int    pool;
    440 	u_int    rar_index;
    441 	u_int    max_frame_size;
    442 	uint32_t flags;
    443 	uint8_t  ether_addr[ETHER_ADDR_LEN];
    444 	uint16_t mc_hash[IXGBE_MAX_VF_MC];
    445 	uint16_t num_mc_hashes;
    446 	uint16_t default_vlan;
    447 	uint16_t vlan_tag;
    448 	uint16_t api_ver;
    449 };
    450 
    451 /* Our adapter structure */
    452 struct adapter {
    453 	struct ixgbe_hw		hw;
    454 	struct ixgbe_osdep	osdep;
    455 
    456 	device_t		dev;
    457 	struct ifnet		*ifp;
    458 	struct if_percpuq	*ipq;	/* softint-based input queues */
    459 
    460 	struct resource		*pci_mem;
    461 	struct resource		*msix_mem;
    462 
    463 	/* NetBSD: Interrupt resources are in osdep */
    464 
    465 	struct ifmedia		media;
    466 	callout_t		timer;
    467 	int			if_flags;
    468 
    469 	kmutex_t		core_mtx;
    470 
    471 	unsigned int		num_queues;
    472 
    473 	/*
    474 	 * Shadow VFTA table, this is needed because
    475 	 * the real vlan filter table gets cleared during
    476 	 * a soft reset and the driver needs to be able
    477 	 * to repopulate it.
    478 	 */
    479 	u32			shadow_vfta[IXGBE_VFTA_SIZE];
    480 
    481 	/* Info about the interface */
    482 	int			advertise;  /* link speeds */
    483 	bool			enable_aim; /* adaptive interrupt moderation */
    484 	bool			link_active;
    485 	u16			max_frame_size;
    486 	u16			num_segs;
    487 	u32			link_speed;
    488 	bool			link_up;
    489 	u32 			vector;
    490 	u16			dmac;
    491 	u32			phy_layer;
    492 
    493 	/* Power management-related */
    494 	bool			wol_support;
    495 	u32			wufc;
    496 
    497 	/* Mbuf cluster size */
    498 	u32			rx_mbuf_sz;
    499 
    500 	/* Support for pluggable optics */
    501 	bool			sfp_probe;
    502 	void			*link_si;  /* Link tasklet */
    503 	void			*mod_si;   /* SFP tasklet */
    504 	void			*msf_si;   /* Multispeed Fiber */
    505 	void			*mbx_si;   /* VF -> PF mailbox interrupt */
    506 
    507 	/* Flow Director */
    508 	int			fdir_reinit;
    509 	void			*fdir_si;
    510 
    511 	void			*phy_si;   /* PHY intr tasklet */
    512 
    513 	bool			txrx_use_workqueue;
    514 	struct workqueue	*que_wq;    /* workqueue for ixgbe_handle_que_work() */
    515 					    /*
    516 					     * que_wq's "enqueued flag" is not required,
    517 					     * because twice workqueue_enqueue() for
    518 					     * ixgbe_handle_que_work() is avoided by masking
    519 					     * the queue's interrupt by EIMC.
    520 					     * See also ixgbe_msix_que().
    521 					     */
    522 	struct workqueue	*txr_wq;    /* workqueue for ixgbe_deferred_mq_start_work() */
    523 	percpu_t		*txr_wq_enqueued;
    524 
    525 	/*
    526 	 * Queues:
    527 	 *   This is the irq holder, it has
    528 	 *   and RX/TX pair or rings associated
    529 	 *   with it.
    530 	 */
    531 	struct ix_queue		*queues;
    532 
    533 	/*
    534 	 * Transmit rings
    535 	 *      Allocated at run time, an array of rings
    536 	 */
    537 	struct tx_ring		*tx_rings;
    538 	u32			num_tx_desc;
    539 	u32			tx_process_limit;
    540 
    541 	/*
    542 	 * Receive rings
    543 	 *      Allocated at run time, an array of rings
    544 	 */
    545 	struct rx_ring		*rx_rings;
    546 	u64			active_queues;
    547 	u32			num_rx_desc;
    548 	u32			rx_process_limit;
    549 
    550 	/* Multicast array memory */
    551 	struct ixgbe_mc_addr	*mta;
    552 
    553 	/* SR-IOV */
    554 	int                     iov_mode;
    555 	int			num_vfs;
    556 	int			pool;
    557 	struct ixgbe_vf		*vfs;
    558 
    559 	/* Bypass */
    560 	struct ixgbe_bp_data    bypass;
    561 
    562 	/* Netmap */
    563 	void 			(*init_locked)(struct adapter *);
    564 	void 			(*stop_locked)(void *);
    565 
    566 	/* Misc stats maintained by the driver */
    567 	struct evcnt	   	efbig_tx_dma_setup;
    568 	struct evcnt   		mbuf_defrag_failed;
    569 	struct evcnt	   	efbig2_tx_dma_setup;
    570 	struct evcnt	   	einval_tx_dma_setup;
    571 	struct evcnt	   	other_tx_dma_setup;
    572 	struct evcnt	   	eagain_tx_dma_setup;
    573 	struct evcnt	   	enomem_tx_dma_setup;
    574 	struct evcnt	   	tso_err;
    575 	struct evcnt	   	watchdog_events;
    576 	struct evcnt		link_irq;
    577 	struct evcnt		link_sicount;
    578 	struct evcnt		mod_sicount;
    579 	struct evcnt		msf_sicount;
    580 	struct evcnt		phy_sicount;
    581 
    582 	union {
    583 		struct ixgbe_hw_stats pf;
    584 		struct ixgbevf_hw_stats	vf;
    585 	} stats;
    586 #if __FreeBSD_version >= 1100036
    587 	/* counter(9) stats */
    588 	u64			ipackets;
    589 	u64			ierrors;
    590 	u64			opackets;
    591 	u64			oerrors;
    592 	u64			ibytes;
    593 	u64			obytes;
    594 	u64			imcasts;
    595 	u64			omcasts;
    596 	u64			iqdrops;
    597 	u64			noproto;
    598 #endif
    599 	/* Feature capable/enabled flags.  See ixgbe_features.h */
    600 	u32                     feat_cap;
    601 	u32                     feat_en;
    602 
    603 	struct sysctllog	*sysctllog;
    604 	const struct sysctlnode *sysctltop;
    605 	ixgbe_extmem_head_t jcl_head;
    606 };
    607 
    608 /* Precision Time Sync (IEEE 1588) defines */
    609 #define ETHERTYPE_IEEE1588      0x88F7
    610 #define PICOSECS_PER_TICK       20833
    611 #define TSYNC_UDP_PORT          319 /* UDP port for the protocol */
    612 #define IXGBE_ADVTXD_TSTAMP     0x00080000
    613 
    614 
    615 #define IXGBE_CORE_LOCK_INIT(_sc, _name) \
    616         mutex_init(&(_sc)->core_mtx, MUTEX_DEFAULT, IPL_SOFTNET)
    617 #define IXGBE_CORE_LOCK_DESTROY(_sc)      mutex_destroy(&(_sc)->core_mtx)
    618 #define IXGBE_TX_LOCK_DESTROY(_sc)        mutex_destroy(&(_sc)->tx_mtx)
    619 #define IXGBE_RX_LOCK_DESTROY(_sc)        mutex_destroy(&(_sc)->rx_mtx)
    620 #define IXGBE_CORE_LOCK(_sc)              mutex_enter(&(_sc)->core_mtx)
    621 #define IXGBE_TX_LOCK(_sc)                mutex_enter(&(_sc)->tx_mtx)
    622 #define IXGBE_TX_TRYLOCK(_sc)             mutex_tryenter(&(_sc)->tx_mtx)
    623 #define IXGBE_RX_LOCK(_sc)                mutex_enter(&(_sc)->rx_mtx)
    624 #define IXGBE_CORE_UNLOCK(_sc)            mutex_exit(&(_sc)->core_mtx)
    625 #define IXGBE_TX_UNLOCK(_sc)              mutex_exit(&(_sc)->tx_mtx)
    626 #define IXGBE_RX_UNLOCK(_sc)              mutex_exit(&(_sc)->rx_mtx)
    627 #define IXGBE_CORE_LOCK_ASSERT(_sc)       KASSERT(mutex_owned(&(_sc)->core_mtx))
    628 #define IXGBE_TX_LOCK_ASSERT(_sc)         KASSERT(mutex_owned(&(_sc)->tx_mtx))
    629 
    630 /* Stats macros */
    631 #if __FreeBSD_version >= 1100036
    632 #define IXGBE_SET_IPACKETS(sc, count)    (sc)->ipackets = (count)
    633 #define IXGBE_SET_IERRORS(sc, count)     (sc)->ierrors = (count)
    634 #define IXGBE_SET_OPACKETS(sc, count)    (sc)->opackets = (count)
    635 #define IXGBE_SET_OERRORS(sc, count)     (sc)->oerrors = (count)
    636 #define IXGBE_SET_COLLISIONS(sc, count)
    637 #define IXGBE_SET_IBYTES(sc, count)      (sc)->ibytes = (count)
    638 #define IXGBE_SET_OBYTES(sc, count)      (sc)->obytes = (count)
    639 #define IXGBE_SET_IMCASTS(sc, count)     (sc)->imcasts = (count)
    640 #define IXGBE_SET_OMCASTS(sc, count)     (sc)->omcasts = (count)
    641 #define IXGBE_SET_IQDROPS(sc, count)     (sc)->iqdrops = (count)
    642 #else
    643 #define IXGBE_SET_IPACKETS(sc, count)    (sc)->ifp->if_ipackets = (count)
    644 #define IXGBE_SET_IERRORS(sc, count)     (sc)->ifp->if_ierrors = (count)
    645 #define IXGBE_SET_OPACKETS(sc, count)    (sc)->ifp->if_opackets = (count)
    646 #define IXGBE_SET_OERRORS(sc, count)     (sc)->ifp->if_oerrors = (count)
    647 #define IXGBE_SET_COLLISIONS(sc, count)  (sc)->ifp->if_collisions = (count)
    648 #define IXGBE_SET_IBYTES(sc, count)      (sc)->ifp->if_ibytes = (count)
    649 #define IXGBE_SET_OBYTES(sc, count)      (sc)->ifp->if_obytes = (count)
    650 #define IXGBE_SET_IMCASTS(sc, count)     (sc)->ifp->if_imcasts = (count)
    651 #define IXGBE_SET_OMCASTS(sc, count)     (sc)->ifp->if_omcasts = (count)
    652 #define IXGBE_SET_IQDROPS(sc, count)     (sc)->ifp->if_iqdrops = (count)
    653 #endif
    654 
    655 /* External PHY register addresses */
    656 #define IXGBE_PHY_CURRENT_TEMP		0xC820
    657 #define IXGBE_PHY_OVERTEMP_STATUS	0xC830
    658 
    659 /* Sysctl help messages; displayed with sysctl -d */
    660 #define IXGBE_SYSCTL_DESC_ADV_SPEED \
    661 	"\nControl advertised link speed using these flags:\n" \
    662 	"\t0x01 - advertise 100M\n" \
    663 	"\t0x02 - advertise 1G\n" \
    664         "\t0x04 - advertise 10G\n" \
    665         "\t0x08 - advertise 10M\n" \
    666         "\t0x10 - advertise 2.5G\n" \
    667         "\t0x20 - advertise 5G\n\n" \
    668         "\t5G, 2.5G, 100M and 10M are only supported on certain adapters."
    669 
    670 #define IXGBE_SYSCTL_DESC_SET_FC \
    671 	"\nSet flow control mode using these values:\n" \
    672 	"\t0 - off\n" \
    673 	"\t1 - rx pause\n" \
    674 	"\t2 - tx pause\n" \
    675 	"\t3 - tx and rx pause"
    676 
    677 /* Workaround to make 8.0 buildable */
    678 #if __FreeBSD_version >= 800000 && __FreeBSD_version < 800504
    679 static __inline int
    680 drbr_needs_enqueue(struct ifnet *ifp, struct buf_ring *br)
    681 {
    682 #ifdef ALTQ
    683 	if (ALTQ_IS_ENABLED(&ifp->if_snd))
    684 		return (1);
    685 #endif
    686 	return (!buf_ring_empty(br));
    687 }
    688 #endif
    689 
    690 /*
    691  * Find the number of unrefreshed RX descriptors
    692  */
    693 static __inline u16
    694 ixgbe_rx_unrefreshed(struct rx_ring *rxr)
    695 {
    696 	if (rxr->next_to_check > rxr->next_to_refresh)
    697 		return (rxr->next_to_check - rxr->next_to_refresh - 1);
    698 	else
    699 		return ((rxr->num_desc + rxr->next_to_check) -
    700 		    rxr->next_to_refresh - 1);
    701 }
    702 
    703 static __inline int
    704 ixgbe_legacy_ring_empty(struct ifnet *ifp, pcq_t *dummy)
    705 {
    706 	UNREFERENCED_1PARAMETER(dummy);
    707 
    708 	return IFQ_IS_EMPTY(&ifp->if_snd);
    709 }
    710 
    711 static __inline int
    712 ixgbe_mq_ring_empty(struct ifnet *dummy, pcq_t *interq)
    713 {
    714 	UNREFERENCED_1PARAMETER(dummy);
    715 
    716 	return (pcq_peek(interq) == NULL);
    717 }
    718 
    719 /*
    720  * This checks for a zero mac addr, something that will be likely
    721  * unless the Admin on the Host has created one.
    722  */
    723 static __inline bool
    724 ixv_check_ether_addr(u8 *addr)
    725 {
    726 	bool status = TRUE;
    727 
    728 	if ((addr[0] == 0 && addr[1]== 0 && addr[2] == 0 &&
    729 	    addr[3] == 0 && addr[4]== 0 && addr[5] == 0))
    730 		status = FALSE;
    731 
    732 	return (status);
    733 }
    734 
    735 /* Shared Prototypes */
    736 void ixgbe_legacy_start(struct ifnet *);
    737 int  ixgbe_legacy_start_locked(struct ifnet *, struct tx_ring *);
    738 int  ixgbe_mq_start(struct ifnet *, struct mbuf *);
    739 int  ixgbe_mq_start_locked(struct ifnet *, struct tx_ring *);
    740 void ixgbe_deferred_mq_start(void *);
    741 void ixgbe_deferred_mq_start_work(struct work *, void *);
    742 void ixgbe_drain_all(struct adapter *);
    743 
    744 int  ixgbe_allocate_queues(struct adapter *);
    745 int  ixgbe_setup_transmit_structures(struct adapter *);
    746 void ixgbe_free_transmit_structures(struct adapter *);
    747 int  ixgbe_setup_receive_structures(struct adapter *);
    748 void ixgbe_free_receive_structures(struct adapter *);
    749 bool ixgbe_txeof(struct tx_ring *);
    750 bool ixgbe_rxeof(struct ix_queue *);
    751 
    752 const struct sysctlnode *ixgbe_sysctl_instance(struct adapter *);
    753 
    754 #include "ixgbe_bypass.h"
    755 #include "ixgbe_fdir.h"
    756 #include "ixgbe_rss.h"
    757 #include "ixgbe_netmap.h"
    758 
    759 #endif /* _IXGBE_H_ */
    760