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ixgbe.h revision 1.36
      1 /* $NetBSD: ixgbe.h,v 1.36 2018/03/15 06:48:51 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 320688 2017-07-05 17:27:03Z 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 #define IXGBE_FC_HI           0x20000
    177 #define IXGBE_FC_LO           0x10000
    178 
    179 /*
    180  * Used for optimizing small rx mbufs.  Effort is made to keep the copy
    181  * small and aligned for the CPU L1 cache.
    182  *
    183  * MHLEN is typically 168 bytes, giving us 8-byte alignment.  Getting
    184  * 32 byte alignment needed for the fast bcopy results in 8 bytes being
    185  * wasted.  Getting 64 byte alignment, which _should_ be ideal for
    186  * modern Intel CPUs, results in 40 bytes wasted and a significant drop
    187  * in observed efficiency of the optimization, 97.9% -> 81.8%.
    188  */
    189 #define	MPKTHSIZE		(offsetof(struct _mbuf_dummy, m_pktdat))
    190 #define IXGBE_RX_COPY_HDR_PADDED  ((((MPKTHSIZE - 1) / 32) + 1) * 32)
    191 #define IXGBE_RX_COPY_LEN         (MSIZE - IXGBE_RX_COPY_HDR_PADDED)
    192 #define IXGBE_RX_COPY_ALIGN       (IXGBE_RX_COPY_HDR_PADDED - MPKTHSIZE)
    193 
    194 /* Keep older OS drivers building... */
    195 #if !defined(SYSCTL_ADD_UQUAD)
    196 #define SYSCTL_ADD_UQUAD SYSCTL_ADD_QUAD
    197 #endif
    198 
    199 /* Defines for printing debug information */
    200 #define DEBUG_INIT  0
    201 #define DEBUG_IOCTL 0
    202 #define DEBUG_HW    0
    203 
    204 #define INIT_DEBUGOUT(S)            if (DEBUG_INIT)  printf(S "\n")
    205 #define INIT_DEBUGOUT1(S, A)        if (DEBUG_INIT)  printf(S "\n", A)
    206 #define INIT_DEBUGOUT2(S, A, B)     if (DEBUG_INIT)  printf(S "\n", A, B)
    207 #define IOCTL_DEBUGOUT(S)           if (DEBUG_IOCTL) printf(S "\n")
    208 #define IOCTL_DEBUGOUT1(S, A)       if (DEBUG_IOCTL) printf(S "\n", A)
    209 #define IOCTL_DEBUGOUT2(S, A, B)    if (DEBUG_IOCTL) printf(S "\n", A, B)
    210 #define HW_DEBUGOUT(S)              if (DEBUG_HW) printf(S "\n")
    211 #define HW_DEBUGOUT1(S, A)          if (DEBUG_HW) printf(S "\n", A)
    212 #define HW_DEBUGOUT2(S, A, B)       if (DEBUG_HW) printf(S "\n", A, B)
    213 
    214 #define MAX_NUM_MULTICAST_ADDRESSES     128
    215 #define IXGBE_82598_SCATTER             100
    216 #define IXGBE_82599_SCATTER             32
    217 #define MSIX_82598_BAR                  3
    218 #define MSIX_82599_BAR                  4
    219 #define IXGBE_TSO_SIZE                  262140
    220 #define IXGBE_RX_HDR                    128
    221 #define IXGBE_VFTA_SIZE                 128
    222 #define IXGBE_BR_SIZE                   4096
    223 #define IXGBE_QUEUE_MIN_FREE            32
    224 #define IXGBE_MAX_TX_BUSY               10
    225 #define IXGBE_QUEUE_HUNG                0x80000000
    226 
    227 #define IXGBE_EITR_DEFAULT		128
    228 
    229 /* IOCTL define to gather SFP+ Diagnostic data */
    230 #define SIOCGI2C	SIOCGIFGENERIC
    231 
    232 /* Offload bits in mbuf flag */
    233 #define	M_CSUM_OFFLOAD	\
    234     (M_CSUM_IPv4|M_CSUM_UDPv4|M_CSUM_TCPv4|M_CSUM_UDPv6|M_CSUM_TCPv6)
    235 
    236 /* Backward compatibility items for very old versions */
    237 #ifndef pci_find_cap
    238 #define pci_find_cap pci_find_extcap
    239 #endif
    240 
    241 #ifndef DEVMETHOD_END
    242 #define DEVMETHOD_END { NULL, NULL }
    243 #endif
    244 
    245 /*
    246  * Interrupt Moderation parameters
    247  */
    248 #define IXGBE_LOW_LATENCY	128
    249 #define IXGBE_AVE_LATENCY	400
    250 #define IXGBE_BULK_LATENCY	1200
    251 
    252 /* Using 1FF (the max value), the interval is ~1.05ms */
    253 #define IXGBE_LINK_ITR_QUANTA  0x1FF
    254 #define IXGBE_LINK_ITR         ((IXGBE_LINK_ITR_QUANTA << 3) & \
    255                                 IXGBE_EITR_ITR_INT_MASK)
    256 
    257 
    258 /************************************************************************
    259  * vendor_info_array
    260  *
    261  *   Contains the list of Subvendor/Subdevice IDs on
    262  *   which the driver should load.
    263  ************************************************************************/
    264 typedef struct _ixgbe_vendor_info_t {
    265 	unsigned int vendor_id;
    266 	unsigned int device_id;
    267 	unsigned int subvendor_id;
    268 	unsigned int subdevice_id;
    269 	unsigned int index;
    270 } ixgbe_vendor_info_t;
    271 
    272 /* This is used to get SFP+ module data */
    273 struct ixgbe_i2c_req {
    274         u8 dev_addr;
    275         u8 offset;
    276         u8 len;
    277         u8 data[8];
    278 };
    279 
    280 struct ixgbe_bp_data {
    281 	u32 low;
    282 	u32 high;
    283 	u32 log;
    284 };
    285 
    286 struct ixgbe_tx_buf {
    287 	union ixgbe_adv_tx_desc	*eop;
    288 	struct mbuf             *m_head;
    289 	bus_dmamap_t            map;
    290 };
    291 
    292 struct ixgbe_rx_buf {
    293 	struct mbuf    *buf;
    294 	struct mbuf    *fmp;
    295 	bus_dmamap_t   pmap;
    296 	u_int          flags;
    297 #define IXGBE_RX_COPY  0x01
    298 	uint64_t       addr;
    299 };
    300 
    301 /*
    302  * Bus dma allocation structure used by ixgbe_dma_malloc and ixgbe_dma_free
    303  */
    304 struct ixgbe_dma_alloc {
    305 	bus_addr_t        dma_paddr;
    306 	void              *dma_vaddr;
    307 	ixgbe_dma_tag_t   *dma_tag;
    308 	bus_dmamap_t      dma_map;
    309 	bus_dma_segment_t dma_seg;
    310 	bus_size_t        dma_size;
    311 };
    312 
    313 struct ixgbe_mc_addr {
    314 	u8  addr[IXGBE_ETH_LENGTH_OF_ADDRESS];
    315 	u32 vmdq;
    316 };
    317 
    318 /*
    319  * Driver queue struct: this is the interrupt container
    320  *                      for the associated tx and rx ring.
    321  */
    322 struct ix_queue {
    323 	struct adapter   *adapter;
    324 	u32              msix;           /* This queue's MSI-X vector */
    325 	u32              eims;           /* This queue's EIMS bit */
    326 	u32              eitr_setting;
    327 	u32              me;
    328 	struct resource  *res;
    329 	void             *tag;
    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 conters */
    336 	struct evcnt     irqs;		/* Hardware interrupt */
    337 	struct evcnt     handleq;	/* software_interrupt */
    338 	struct evcnt     req;		/* deferred */
    339 	char             namebuf[32];
    340 	char             evnamebuf[32];
    341 
    342 	kmutex_t         im_mtx;	/* lock for im_nest and this queue's EIMS/EIMC bit */
    343 	int              im_nest;
    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 	u32			txd_cmd;
    363 	ixgbe_dma_tag_t		*txtag;
    364 	char			mtx_name[16];
    365 	pcq_t			*txr_interq;
    366 	struct work		wq_cookie;
    367 	void			*txr_si;
    368 
    369 	/* Flow Director */
    370 	u16			atr_sample;
    371 	u16			atr_count;
    372 
    373 	u32			bytes;  /* used for AIM */
    374 	u32			packets;
    375 	/* Soft Stats */
    376 	struct evcnt	   	tso_tx;
    377 	struct evcnt		no_desc_avail;
    378 	struct evcnt		total_packets;
    379 	struct evcnt		pcq_drops;
    380 	/* Per queue conters.  The adapter total is in struct adapter */
    381 	u64              q_efbig_tx_dma_setup;
    382 	u64              q_mbuf_defrag_failed;
    383 	u64              q_efbig2_tx_dma_setup;
    384 	u64              q_einval_tx_dma_setup;
    385 	u64              q_other_tx_dma_setup;
    386 	u64              q_eagain_tx_dma_setup;
    387 	u64              q_enomem_tx_dma_setup;
    388 	u64              q_tso_err;
    389 };
    390 
    391 
    392 /*
    393  * The Receive ring, one per rx queue
    394  */
    395 struct rx_ring {
    396         struct adapter		*adapter;
    397 	kmutex_t		rx_mtx;
    398 	u32			me;
    399 	u32			tail;
    400 	union ixgbe_adv_rx_desc	*rx_base;
    401 	struct ixgbe_dma_alloc	rxdma;
    402 #ifdef LRO
    403 	struct lro_ctrl		lro;
    404 #endif /* LRO */
    405 	bool			lro_enabled;
    406 	bool			hw_rsc;
    407 	bool			vtag_strip;
    408         u16			next_to_refresh;
    409         u16 			next_to_check;
    410 	u16			num_desc;
    411 	u16			mbuf_sz;
    412 	char			mtx_name[16];
    413 	struct ixgbe_rx_buf	*rx_buffers;
    414 	ixgbe_dma_tag_t		*ptag;
    415 
    416 	u32			bytes; /* Used for AIM calc */
    417 	u32			packets;
    418 
    419 	/* Soft stats */
    420 	struct evcnt		rx_copies;
    421 	struct evcnt		rx_packets;
    422 	struct evcnt 		rx_bytes;
    423 	struct evcnt 		rx_discarded;
    424 	struct evcnt 		no_jmbuf;
    425 	u64 			rsc_num;
    426 
    427 	/* Flow Director */
    428 	u64			flm;
    429 };
    430 
    431 #define IXGBE_MAX_VF_MC 30  /* Max number of multicast entries */
    432 
    433 struct ixgbe_vf {
    434 	u_int    pool;
    435 	u_int    rar_index;
    436 	u_int    max_frame_size;
    437 	uint32_t flags;
    438 	uint8_t  ether_addr[ETHER_ADDR_LEN];
    439 	uint16_t mc_hash[IXGBE_MAX_VF_MC];
    440 	uint16_t num_mc_hashes;
    441 	uint16_t default_vlan;
    442 	uint16_t vlan_tag;
    443 	uint16_t api_ver;
    444 };
    445 
    446 /* Our adapter structure */
    447 struct adapter {
    448 	struct ixgbe_hw		hw;
    449 	struct ixgbe_osdep	osdep;
    450 
    451 	device_t		dev;
    452 	struct ifnet		*ifp;
    453 	struct if_percpuq	*ipq;	/* softint-based input queues */
    454 
    455 	struct resource		*pci_mem;
    456 	struct resource		*msix_mem;
    457 
    458 	/*
    459 	 * Interrupt resources: this set is
    460 	 * either used for legacy, or for Link
    461 	 * when doing MSI-X
    462 	 */
    463 	void			*tag;
    464 	struct resource 	*res;
    465 
    466 	struct ifmedia		media;
    467 	callout_t		timer;
    468 	int			link_rid;
    469 	int			if_flags;
    470 
    471 	kmutex_t		core_mtx;
    472 
    473 	unsigned int		num_queues;
    474 
    475 	/*
    476 	 * Shadow VFTA table, this is needed because
    477 	 * the real vlan filter table gets cleared during
    478 	 * a soft reset and the driver needs to be able
    479 	 * to repopulate it.
    480 	 */
    481 	u32			shadow_vfta[IXGBE_VFTA_SIZE];
    482 
    483 	/* Info about the interface */
    484 	int			advertise;  /* link speeds */
    485 	bool			enable_aim; /* adaptive interrupt moderation */
    486 	bool			link_active;
    487 	u16			max_frame_size;
    488 	u16			num_segs;
    489 	u32			link_speed;
    490 	bool			link_up;
    491 	u32 			vector;
    492 	u16			dmac;
    493 	u32			phy_layer;
    494 
    495 	/* Power management-related */
    496 	bool			wol_support;
    497 	u32			wufc;
    498 
    499 	/* Mbuf cluster size */
    500 	u32			rx_mbuf_sz;
    501 
    502 	/* Support for pluggable optics */
    503 	bool			sfp_probe;
    504 	void			*link_si;  /* Link tasklet */
    505 	void			*mod_si;   /* SFP tasklet */
    506 	void			*msf_si;   /* Multispeed Fiber */
    507 	void			*mbx_si;   /* VF -> PF mailbox interrupt */
    508 
    509 	/* Flow Director */
    510 	int			fdir_reinit;
    511 	void			*fdir_si;
    512 
    513 	void			*phy_si;   /* PHY intr tasklet */
    514 
    515 	bool			txrx_use_workqueue;
    516 	struct workqueue	*que_wq;    /* workqueue for ixgbe_handle_que_work() */
    517 					    /*
    518 					     * que_wq's "enqueued flag" is not required,
    519 					     * because twice workqueue_enqueue() for
    520 					     * ixgbe_handle_que_work() is avoided by masking
    521 					     * the queue's interrupt by EIMC.
    522 					     * See also ixgbe_msix_que().
    523 					     */
    524 	struct workqueue	*txr_wq;    /* workqueue for ixgbe_deferred_mq_start_work() */
    525 	percpu_t		*txr_wq_enqueued;
    526 
    527 	/*
    528 	 * Queues:
    529 	 *   This is the irq holder, it has
    530 	 *   and RX/TX pair or rings associated
    531 	 *   with it.
    532 	 */
    533 	struct ix_queue		*queues;
    534 
    535 	/*
    536 	 * Transmit rings
    537 	 *      Allocated at run time, an array of rings
    538 	 */
    539 	struct tx_ring		*tx_rings;
    540 	u32			num_tx_desc;
    541 	u32			tx_process_limit;
    542 
    543 	/*
    544 	 * Receive rings
    545 	 *      Allocated at run time, an array of rings
    546 	 */
    547 	struct rx_ring		*rx_rings;
    548 	u64			active_queues;
    549 	u32			num_rx_desc;
    550 	u32			rx_process_limit;
    551 
    552 	/* Multicast array memory */
    553 	struct ixgbe_mc_addr	*mta;
    554 
    555 	/* SR-IOV */
    556 	int                     iov_mode;
    557 	int			num_vfs;
    558 	int			pool;
    559 	struct ixgbe_vf		*vfs;
    560 
    561 	/* Bypass */
    562 	struct ixgbe_bp_data    bypass;
    563 
    564 	/* Netmap */
    565 	void 			(*init_locked)(struct adapter *);
    566 	void 			(*stop_locked)(void *);
    567 
    568 	/* Misc stats maintained by the driver */
    569 	struct evcnt	   	efbig_tx_dma_setup;
    570 	struct evcnt   		mbuf_defrag_failed;
    571 	struct evcnt	   	efbig2_tx_dma_setup;
    572 	struct evcnt	   	einval_tx_dma_setup;
    573 	struct evcnt	   	other_tx_dma_setup;
    574 	struct evcnt	   	eagain_tx_dma_setup;
    575 	struct evcnt	   	enomem_tx_dma_setup;
    576 	struct evcnt	   	tso_err;
    577 	struct evcnt	   	watchdog_events;
    578 	struct evcnt		link_irq;
    579 
    580 	union {
    581 		struct ixgbe_hw_stats pf;
    582 		struct ixgbevf_hw_stats	vf;
    583 	} stats;
    584 #if __FreeBSD_version >= 1100036
    585 	/* counter(9) stats */
    586 	u64			ipackets;
    587 	u64			ierrors;
    588 	u64			opackets;
    589 	u64			oerrors;
    590 	u64			ibytes;
    591 	u64			obytes;
    592 	u64			imcasts;
    593 	u64			omcasts;
    594 	u64			iqdrops;
    595 	u64			noproto;
    596 #endif
    597 	/* Feature capable/enabled flags.  See ixgbe_features.h */
    598 	u32                     feat_cap;
    599 	u32                     feat_en;
    600 
    601 	struct sysctllog	*sysctllog;
    602 	const struct sysctlnode *sysctltop;
    603 	ixgbe_extmem_head_t jcl_head;
    604 };
    605 
    606 /* Precision Time Sync (IEEE 1588) defines */
    607 #define ETHERTYPE_IEEE1588      0x88F7
    608 #define PICOSECS_PER_TICK       20833
    609 #define TSYNC_UDP_PORT          319 /* UDP port for the protocol */
    610 #define IXGBE_ADVTXD_TSTAMP     0x00080000
    611 
    612 
    613 #define IXGBE_CORE_LOCK_INIT(_sc, _name) \
    614         mutex_init(&(_sc)->core_mtx, MUTEX_DEFAULT, IPL_SOFTNET)
    615 #define IXGBE_CORE_LOCK_DESTROY(_sc)      mutex_destroy(&(_sc)->core_mtx)
    616 #define IXGBE_TX_LOCK_DESTROY(_sc)        mutex_destroy(&(_sc)->tx_mtx)
    617 #define IXGBE_RX_LOCK_DESTROY(_sc)        mutex_destroy(&(_sc)->rx_mtx)
    618 #define IXGBE_CORE_LOCK(_sc)              mutex_enter(&(_sc)->core_mtx)
    619 #define IXGBE_TX_LOCK(_sc)                mutex_enter(&(_sc)->tx_mtx)
    620 #define IXGBE_TX_TRYLOCK(_sc)             mutex_tryenter(&(_sc)->tx_mtx)
    621 #define IXGBE_RX_LOCK(_sc)                mutex_enter(&(_sc)->rx_mtx)
    622 #define IXGBE_CORE_UNLOCK(_sc)            mutex_exit(&(_sc)->core_mtx)
    623 #define IXGBE_TX_UNLOCK(_sc)              mutex_exit(&(_sc)->tx_mtx)
    624 #define IXGBE_RX_UNLOCK(_sc)              mutex_exit(&(_sc)->rx_mtx)
    625 #define IXGBE_CORE_LOCK_ASSERT(_sc)       KASSERT(mutex_owned(&(_sc)->core_mtx))
    626 #define IXGBE_TX_LOCK_ASSERT(_sc)         KASSERT(mutex_owned(&(_sc)->tx_mtx))
    627 
    628 /* Stats macros */
    629 #if __FreeBSD_version >= 1100036
    630 #define IXGBE_SET_IPACKETS(sc, count)    (sc)->ipackets = (count)
    631 #define IXGBE_SET_IERRORS(sc, count)     (sc)->ierrors = (count)
    632 #define IXGBE_SET_OPACKETS(sc, count)    (sc)->opackets = (count)
    633 #define IXGBE_SET_OERRORS(sc, count)     (sc)->oerrors = (count)
    634 #define IXGBE_SET_COLLISIONS(sc, count)
    635 #define IXGBE_SET_IBYTES(sc, count)      (sc)->ibytes = (count)
    636 #define IXGBE_SET_OBYTES(sc, count)      (sc)->obytes = (count)
    637 #define IXGBE_SET_IMCASTS(sc, count)     (sc)->imcasts = (count)
    638 #define IXGBE_SET_OMCASTS(sc, count)     (sc)->omcasts = (count)
    639 #define IXGBE_SET_IQDROPS(sc, count)     (sc)->iqdrops = (count)
    640 #else
    641 #define IXGBE_SET_IPACKETS(sc, count)    (sc)->ifp->if_ipackets = (count)
    642 #define IXGBE_SET_IERRORS(sc, count)     (sc)->ifp->if_ierrors = (count)
    643 #define IXGBE_SET_OPACKETS(sc, count)    (sc)->ifp->if_opackets = (count)
    644 #define IXGBE_SET_OERRORS(sc, count)     (sc)->ifp->if_oerrors = (count)
    645 #define IXGBE_SET_COLLISIONS(sc, count)  (sc)->ifp->if_collisions = (count)
    646 #define IXGBE_SET_IBYTES(sc, count)      (sc)->ifp->if_ibytes = (count)
    647 #define IXGBE_SET_OBYTES(sc, count)      (sc)->ifp->if_obytes = (count)
    648 #define IXGBE_SET_IMCASTS(sc, count)     (sc)->ifp->if_imcasts = (count)
    649 #define IXGBE_SET_OMCASTS(sc, count)     (sc)->ifp->if_omcasts = (count)
    650 #define IXGBE_SET_IQDROPS(sc, count)     (sc)->ifp->if_iqdrops = (count)
    651 #endif
    652 
    653 /* External PHY register addresses */
    654 #define IXGBE_PHY_CURRENT_TEMP		0xC820
    655 #define IXGBE_PHY_OVERTEMP_STATUS	0xC830
    656 
    657 /* Sysctl help messages; displayed with sysctl -d */
    658 #define IXGBE_SYSCTL_DESC_ADV_SPEED \
    659 	"\nControl advertised link speed using these flags:\n" \
    660 	"\t0x01 - advertise 100M\n" \
    661 	"\t0x02 - advertise 1G\n" \
    662         "\t0x04 - advertise 10G\n" \
    663         "\t0x08 - advertise 10M\n" \
    664         "\t0x10 - advertise 2.5G\n" \
    665         "\t0x20 - advertise 5G\n\n" \
    666         "\t5G, 2.5G, 100M and 10M are only supported on certain adapters."
    667 
    668 #define IXGBE_SYSCTL_DESC_SET_FC \
    669 	"\nSet flow control mode using these values:\n" \
    670 	"\t0 - off\n" \
    671 	"\t1 - rx pause\n" \
    672 	"\t2 - tx pause\n" \
    673 	"\t3 - tx and rx pause"
    674 
    675 /* Workaround to make 8.0 buildable */
    676 #if __FreeBSD_version >= 800000 && __FreeBSD_version < 800504
    677 static __inline int
    678 drbr_needs_enqueue(struct ifnet *ifp, struct buf_ring *br)
    679 {
    680 #ifdef ALTQ
    681 	if (ALTQ_IS_ENABLED(&ifp->if_snd))
    682 		return (1);
    683 #endif
    684 	return (!buf_ring_empty(br));
    685 }
    686 #endif
    687 
    688 /*
    689  * Find the number of unrefreshed RX descriptors
    690  */
    691 static inline u16
    692 ixgbe_rx_unrefreshed(struct rx_ring *rxr)
    693 {
    694 	if (rxr->next_to_check > rxr->next_to_refresh)
    695 		return (rxr->next_to_check - rxr->next_to_refresh - 1);
    696 	else
    697 		return ((rxr->num_desc + rxr->next_to_check) -
    698 		    rxr->next_to_refresh - 1);
    699 }
    700 
    701 static inline int
    702 ixgbe_legacy_ring_empty(struct ifnet *ifp, pcq_t *dummy)
    703 {
    704 	UNREFERENCED_1PARAMETER(dummy);
    705 
    706 	return IFQ_IS_EMPTY(&ifp->if_snd);
    707 }
    708 
    709 static inline int
    710 ixgbe_mq_ring_empty(struct ifnet *dummy, pcq_t *interq)
    711 {
    712 	UNREFERENCED_1PARAMETER(dummy);
    713 
    714 	return (pcq_peek(interq) == NULL);
    715 }
    716 
    717 /*
    718  * This checks for a zero mac addr, something that will be likely
    719  * unless the Admin on the Host has created one.
    720  */
    721 static inline bool
    722 ixv_check_ether_addr(u8 *addr)
    723 {
    724 	bool status = TRUE;
    725 
    726 	if ((addr[0] == 0 && addr[1]== 0 && addr[2] == 0 &&
    727 	    addr[3] == 0 && addr[4]== 0 && addr[5] == 0))
    728 		status = FALSE;
    729 
    730 	return (status);
    731 }
    732 
    733 /* Shared Prototypes */
    734 void ixgbe_legacy_start(struct ifnet *);
    735 int  ixgbe_legacy_start_locked(struct ifnet *, struct tx_ring *);
    736 int  ixgbe_mq_start(struct ifnet *, struct mbuf *);
    737 int  ixgbe_mq_start_locked(struct ifnet *, struct tx_ring *);
    738 void ixgbe_deferred_mq_start(void *);
    739 void ixgbe_deferred_mq_start_work(struct work *, void *);
    740 
    741 int  ixgbe_allocate_queues(struct adapter *);
    742 int  ixgbe_setup_transmit_structures(struct adapter *);
    743 void ixgbe_free_transmit_structures(struct adapter *);
    744 int  ixgbe_setup_receive_structures(struct adapter *);
    745 void ixgbe_free_receive_structures(struct adapter *);
    746 bool ixgbe_txeof(struct tx_ring *);
    747 bool ixgbe_rxeof(struct ix_queue *);
    748 
    749 const struct sysctlnode *ixgbe_sysctl_instance(struct adapter *);
    750 
    751 #include "ixgbe_bypass.h"
    752 #include "ixgbe_fdir.h"
    753 #include "ixgbe_rss.h"
    754 #include "ixgbe_netmap.h"
    755 
    756 #endif /* _IXGBE_H_ */
    757