Home | History | Annotate | Line # | Download | only in ixgbe
ixgbe.h revision 1.42
      1 /* $NetBSD: ixgbe.h,v 1.42 2018/04/17 05:23:58 knakahara 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 #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         dc_mtx;	/* lock for disabled_count and this queue's EIMS/EIMC bit */
    343 	int              disabled_count;/*
    344 					 * means
    345 					 *     0   : this queue is enabled
    346 					 *     > 0 : this queue is disabled
    347 					 *           the value is ixgbe_disable_queue() called count
    348 					 */
    349 	bool             txrx_use_workqueue;
    350 };
    351 
    352 /*
    353  * The transmit ring, one per queue
    354  */
    355 struct tx_ring {
    356         struct adapter		*adapter;
    357 	kmutex_t		tx_mtx;
    358 	u32			me;
    359 	u32			tail;
    360 	int			busy;
    361 	union ixgbe_adv_tx_desc	*tx_base;
    362 	struct ixgbe_tx_buf	*tx_buffers;
    363 	struct ixgbe_dma_alloc	txdma;
    364 	volatile u16		tx_avail;
    365 	u16			next_avail_desc;
    366 	u16			next_to_clean;
    367 	u16			num_desc;
    368 	u32			txd_cmd;
    369 	ixgbe_dma_tag_t		*txtag;
    370 	char			mtx_name[16];
    371 	pcq_t			*txr_interq;
    372 	struct work		wq_cookie;
    373 	void			*txr_si;
    374 
    375 	/* Flow Director */
    376 	u16			atr_sample;
    377 	u16			atr_count;
    378 
    379 	u64			bytes;  /* used for AIM */
    380 	u64			packets;
    381 	/* Soft Stats */
    382 	struct evcnt	   	tso_tx;
    383 	struct evcnt		no_desc_avail;
    384 	struct evcnt		total_packets;
    385 	struct evcnt		pcq_drops;
    386 	/* Per queue conters.  The adapter total is in struct adapter */
    387 	u64              q_efbig_tx_dma_setup;
    388 	u64              q_mbuf_defrag_failed;
    389 	u64              q_efbig2_tx_dma_setup;
    390 	u64              q_einval_tx_dma_setup;
    391 	u64              q_other_tx_dma_setup;
    392 	u64              q_eagain_tx_dma_setup;
    393 	u64              q_enomem_tx_dma_setup;
    394 	u64              q_tso_err;
    395 };
    396 
    397 
    398 /*
    399  * The Receive ring, one per rx queue
    400  */
    401 struct rx_ring {
    402         struct adapter		*adapter;
    403 	kmutex_t		rx_mtx;
    404 	u32			me;
    405 	u32			tail;
    406 	union ixgbe_adv_rx_desc	*rx_base;
    407 	struct ixgbe_dma_alloc	rxdma;
    408 #ifdef LRO
    409 	struct lro_ctrl		lro;
    410 #endif /* LRO */
    411 	bool			lro_enabled;
    412 	bool			hw_rsc;
    413 	bool			vtag_strip;
    414         u16			next_to_refresh;
    415         u16 			next_to_check;
    416 	u16			num_desc;
    417 	u16			mbuf_sz;
    418 	char			mtx_name[16];
    419 	struct ixgbe_rx_buf	*rx_buffers;
    420 	ixgbe_dma_tag_t		*ptag;
    421 
    422 	u64			bytes; /* Used for AIM calc */
    423 	u64			packets;
    424 
    425 	/* Soft stats */
    426 	struct evcnt		rx_copies;
    427 	struct evcnt		rx_packets;
    428 	struct evcnt 		rx_bytes;
    429 	struct evcnt 		rx_discarded;
    430 	struct evcnt 		no_jmbuf;
    431 	u64 			rsc_num;
    432 
    433 	/* Flow Director */
    434 	u64			flm;
    435 };
    436 
    437 #define IXGBE_MAX_VF_MC 30  /* Max number of multicast entries */
    438 
    439 struct ixgbe_vf {
    440 	u_int    pool;
    441 	u_int    rar_index;
    442 	u_int    max_frame_size;
    443 	uint32_t flags;
    444 	uint8_t  ether_addr[ETHER_ADDR_LEN];
    445 	uint16_t mc_hash[IXGBE_MAX_VF_MC];
    446 	uint16_t num_mc_hashes;
    447 	uint16_t default_vlan;
    448 	uint16_t vlan_tag;
    449 	uint16_t api_ver;
    450 };
    451 
    452 /* Our adapter structure */
    453 struct adapter {
    454 	struct ixgbe_hw		hw;
    455 	struct ixgbe_osdep	osdep;
    456 
    457 	device_t		dev;
    458 	struct ifnet		*ifp;
    459 	struct if_percpuq	*ipq;	/* softint-based input queues */
    460 
    461 	struct resource		*pci_mem;
    462 	struct resource		*msix_mem;
    463 
    464 	/*
    465 	 * Interrupt resources: this set is
    466 	 * either used for legacy, or for Link
    467 	 * when doing MSI-X
    468 	 */
    469 	void			*tag;
    470 	struct resource 	*res;
    471 
    472 	struct ifmedia		media;
    473 	callout_t		timer;
    474 	int			link_rid;
    475 	int			if_flags;
    476 
    477 	kmutex_t		core_mtx;
    478 
    479 	unsigned int		num_queues;
    480 
    481 	/*
    482 	 * Shadow VFTA table, this is needed because
    483 	 * the real vlan filter table gets cleared during
    484 	 * a soft reset and the driver needs to be able
    485 	 * to repopulate it.
    486 	 */
    487 	u32			shadow_vfta[IXGBE_VFTA_SIZE];
    488 
    489 	/* Info about the interface */
    490 	int			advertise;  /* link speeds */
    491 	bool			enable_aim; /* adaptive interrupt moderation */
    492 	bool			link_active;
    493 	u16			max_frame_size;
    494 	u16			num_segs;
    495 	u32			link_speed;
    496 	bool			link_up;
    497 	u32 			vector;
    498 	u16			dmac;
    499 	u32			phy_layer;
    500 
    501 	/* Power management-related */
    502 	bool			wol_support;
    503 	u32			wufc;
    504 
    505 	/* Mbuf cluster size */
    506 	u32			rx_mbuf_sz;
    507 
    508 	/* Support for pluggable optics */
    509 	bool			sfp_probe;
    510 	void			*link_si;  /* Link tasklet */
    511 	void			*mod_si;   /* SFP tasklet */
    512 	void			*msf_si;   /* Multispeed Fiber */
    513 	void			*mbx_si;   /* VF -> PF mailbox interrupt */
    514 
    515 	/* Flow Director */
    516 	int			fdir_reinit;
    517 	void			*fdir_si;
    518 
    519 	void			*phy_si;   /* PHY intr tasklet */
    520 
    521 	bool			txrx_use_workqueue;
    522 	struct workqueue	*que_wq;    /* workqueue for ixgbe_handle_que_work() */
    523 					    /*
    524 					     * que_wq's "enqueued flag" is not required,
    525 					     * because twice workqueue_enqueue() for
    526 					     * ixgbe_handle_que_work() is avoided by masking
    527 					     * the queue's interrupt by EIMC.
    528 					     * See also ixgbe_msix_que().
    529 					     */
    530 	struct workqueue	*txr_wq;    /* workqueue for ixgbe_deferred_mq_start_work() */
    531 	percpu_t		*txr_wq_enqueued;
    532 
    533 	/*
    534 	 * Queues:
    535 	 *   This is the irq holder, it has
    536 	 *   and RX/TX pair or rings associated
    537 	 *   with it.
    538 	 */
    539 	struct ix_queue		*queues;
    540 
    541 	/*
    542 	 * Transmit rings
    543 	 *      Allocated at run time, an array of rings
    544 	 */
    545 	struct tx_ring		*tx_rings;
    546 	u32			num_tx_desc;
    547 	u32			tx_process_limit;
    548 
    549 	/*
    550 	 * Receive rings
    551 	 *      Allocated at run time, an array of rings
    552 	 */
    553 	struct rx_ring		*rx_rings;
    554 	u64			active_queues;
    555 	u32			num_rx_desc;
    556 	u32			rx_process_limit;
    557 
    558 	/* Multicast array memory */
    559 	struct ixgbe_mc_addr	*mta;
    560 
    561 	/* SR-IOV */
    562 	int                     iov_mode;
    563 	int			num_vfs;
    564 	int			pool;
    565 	struct ixgbe_vf		*vfs;
    566 
    567 	/* Bypass */
    568 	struct ixgbe_bp_data    bypass;
    569 
    570 	/* Netmap */
    571 	void 			(*init_locked)(struct adapter *);
    572 	void 			(*stop_locked)(void *);
    573 
    574 	/* Misc stats maintained by the driver */
    575 	struct evcnt	   	efbig_tx_dma_setup;
    576 	struct evcnt   		mbuf_defrag_failed;
    577 	struct evcnt	   	efbig2_tx_dma_setup;
    578 	struct evcnt	   	einval_tx_dma_setup;
    579 	struct evcnt	   	other_tx_dma_setup;
    580 	struct evcnt	   	eagain_tx_dma_setup;
    581 	struct evcnt	   	enomem_tx_dma_setup;
    582 	struct evcnt	   	tso_err;
    583 	struct evcnt	   	watchdog_events;
    584 	struct evcnt		link_irq;
    585 	struct evcnt		link_sicount;
    586 	struct evcnt		mod_sicount;
    587 	struct evcnt		msf_sicount;
    588 	struct evcnt		phy_sicount;
    589 
    590 	union {
    591 		struct ixgbe_hw_stats pf;
    592 		struct ixgbevf_hw_stats	vf;
    593 	} stats;
    594 #if __FreeBSD_version >= 1100036
    595 	/* counter(9) stats */
    596 	u64			ipackets;
    597 	u64			ierrors;
    598 	u64			opackets;
    599 	u64			oerrors;
    600 	u64			ibytes;
    601 	u64			obytes;
    602 	u64			imcasts;
    603 	u64			omcasts;
    604 	u64			iqdrops;
    605 	u64			noproto;
    606 #endif
    607 	/* Feature capable/enabled flags.  See ixgbe_features.h */
    608 	u32                     feat_cap;
    609 	u32                     feat_en;
    610 
    611 	struct sysctllog	*sysctllog;
    612 	const struct sysctlnode *sysctltop;
    613 	ixgbe_extmem_head_t jcl_head;
    614 };
    615 
    616 /* Precision Time Sync (IEEE 1588) defines */
    617 #define ETHERTYPE_IEEE1588      0x88F7
    618 #define PICOSECS_PER_TICK       20833
    619 #define TSYNC_UDP_PORT          319 /* UDP port for the protocol */
    620 #define IXGBE_ADVTXD_TSTAMP     0x00080000
    621 
    622 
    623 #define IXGBE_CORE_LOCK_INIT(_sc, _name) \
    624         mutex_init(&(_sc)->core_mtx, MUTEX_DEFAULT, IPL_SOFTNET)
    625 #define IXGBE_CORE_LOCK_DESTROY(_sc)      mutex_destroy(&(_sc)->core_mtx)
    626 #define IXGBE_TX_LOCK_DESTROY(_sc)        mutex_destroy(&(_sc)->tx_mtx)
    627 #define IXGBE_RX_LOCK_DESTROY(_sc)        mutex_destroy(&(_sc)->rx_mtx)
    628 #define IXGBE_CORE_LOCK(_sc)              mutex_enter(&(_sc)->core_mtx)
    629 #define IXGBE_TX_LOCK(_sc)                mutex_enter(&(_sc)->tx_mtx)
    630 #define IXGBE_TX_TRYLOCK(_sc)             mutex_tryenter(&(_sc)->tx_mtx)
    631 #define IXGBE_RX_LOCK(_sc)                mutex_enter(&(_sc)->rx_mtx)
    632 #define IXGBE_CORE_UNLOCK(_sc)            mutex_exit(&(_sc)->core_mtx)
    633 #define IXGBE_TX_UNLOCK(_sc)              mutex_exit(&(_sc)->tx_mtx)
    634 #define IXGBE_RX_UNLOCK(_sc)              mutex_exit(&(_sc)->rx_mtx)
    635 #define IXGBE_CORE_LOCK_ASSERT(_sc)       KASSERT(mutex_owned(&(_sc)->core_mtx))
    636 #define IXGBE_TX_LOCK_ASSERT(_sc)         KASSERT(mutex_owned(&(_sc)->tx_mtx))
    637 
    638 /* Stats macros */
    639 #if __FreeBSD_version >= 1100036
    640 #define IXGBE_SET_IPACKETS(sc, count)    (sc)->ipackets = (count)
    641 #define IXGBE_SET_IERRORS(sc, count)     (sc)->ierrors = (count)
    642 #define IXGBE_SET_OPACKETS(sc, count)    (sc)->opackets = (count)
    643 #define IXGBE_SET_OERRORS(sc, count)     (sc)->oerrors = (count)
    644 #define IXGBE_SET_COLLISIONS(sc, count)
    645 #define IXGBE_SET_IBYTES(sc, count)      (sc)->ibytes = (count)
    646 #define IXGBE_SET_OBYTES(sc, count)      (sc)->obytes = (count)
    647 #define IXGBE_SET_IMCASTS(sc, count)     (sc)->imcasts = (count)
    648 #define IXGBE_SET_OMCASTS(sc, count)     (sc)->omcasts = (count)
    649 #define IXGBE_SET_IQDROPS(sc, count)     (sc)->iqdrops = (count)
    650 #else
    651 #define IXGBE_SET_IPACKETS(sc, count)    (sc)->ifp->if_ipackets = (count)
    652 #define IXGBE_SET_IERRORS(sc, count)     (sc)->ifp->if_ierrors = (count)
    653 #define IXGBE_SET_OPACKETS(sc, count)    (sc)->ifp->if_opackets = (count)
    654 #define IXGBE_SET_OERRORS(sc, count)     (sc)->ifp->if_oerrors = (count)
    655 #define IXGBE_SET_COLLISIONS(sc, count)  (sc)->ifp->if_collisions = (count)
    656 #define IXGBE_SET_IBYTES(sc, count)      (sc)->ifp->if_ibytes = (count)
    657 #define IXGBE_SET_OBYTES(sc, count)      (sc)->ifp->if_obytes = (count)
    658 #define IXGBE_SET_IMCASTS(sc, count)     (sc)->ifp->if_imcasts = (count)
    659 #define IXGBE_SET_OMCASTS(sc, count)     (sc)->ifp->if_omcasts = (count)
    660 #define IXGBE_SET_IQDROPS(sc, count)     (sc)->ifp->if_iqdrops = (count)
    661 #endif
    662 
    663 /* External PHY register addresses */
    664 #define IXGBE_PHY_CURRENT_TEMP		0xC820
    665 #define IXGBE_PHY_OVERTEMP_STATUS	0xC830
    666 
    667 /* Sysctl help messages; displayed with sysctl -d */
    668 #define IXGBE_SYSCTL_DESC_ADV_SPEED \
    669 	"\nControl advertised link speed using these flags:\n" \
    670 	"\t0x01 - advertise 100M\n" \
    671 	"\t0x02 - advertise 1G\n" \
    672         "\t0x04 - advertise 10G\n" \
    673         "\t0x08 - advertise 10M\n" \
    674         "\t0x10 - advertise 2.5G\n" \
    675         "\t0x20 - advertise 5G\n\n" \
    676         "\t5G, 2.5G, 100M and 10M are only supported on certain adapters."
    677 
    678 #define IXGBE_SYSCTL_DESC_SET_FC \
    679 	"\nSet flow control mode using these values:\n" \
    680 	"\t0 - off\n" \
    681 	"\t1 - rx pause\n" \
    682 	"\t2 - tx pause\n" \
    683 	"\t3 - tx and rx pause"
    684 
    685 /* Workaround to make 8.0 buildable */
    686 #if __FreeBSD_version >= 800000 && __FreeBSD_version < 800504
    687 static __inline int
    688 drbr_needs_enqueue(struct ifnet *ifp, struct buf_ring *br)
    689 {
    690 #ifdef ALTQ
    691 	if (ALTQ_IS_ENABLED(&ifp->if_snd))
    692 		return (1);
    693 #endif
    694 	return (!buf_ring_empty(br));
    695 }
    696 #endif
    697 
    698 /*
    699  * Find the number of unrefreshed RX descriptors
    700  */
    701 static inline u16
    702 ixgbe_rx_unrefreshed(struct rx_ring *rxr)
    703 {
    704 	if (rxr->next_to_check > rxr->next_to_refresh)
    705 		return (rxr->next_to_check - rxr->next_to_refresh - 1);
    706 	else
    707 		return ((rxr->num_desc + rxr->next_to_check) -
    708 		    rxr->next_to_refresh - 1);
    709 }
    710 
    711 static inline int
    712 ixgbe_legacy_ring_empty(struct ifnet *ifp, pcq_t *dummy)
    713 {
    714 	UNREFERENCED_1PARAMETER(dummy);
    715 
    716 	return IFQ_IS_EMPTY(&ifp->if_snd);
    717 }
    718 
    719 static inline int
    720 ixgbe_mq_ring_empty(struct ifnet *dummy, pcq_t *interq)
    721 {
    722 	UNREFERENCED_1PARAMETER(dummy);
    723 
    724 	return (pcq_peek(interq) == NULL);
    725 }
    726 
    727 /*
    728  * This checks for a zero mac addr, something that will be likely
    729  * unless the Admin on the Host has created one.
    730  */
    731 static inline bool
    732 ixv_check_ether_addr(u8 *addr)
    733 {
    734 	bool status = TRUE;
    735 
    736 	if ((addr[0] == 0 && addr[1]== 0 && addr[2] == 0 &&
    737 	    addr[3] == 0 && addr[4]== 0 && addr[5] == 0))
    738 		status = FALSE;
    739 
    740 	return (status);
    741 }
    742 
    743 /* Shared Prototypes */
    744 void ixgbe_legacy_start(struct ifnet *);
    745 int  ixgbe_legacy_start_locked(struct ifnet *, struct tx_ring *);
    746 int  ixgbe_mq_start(struct ifnet *, struct mbuf *);
    747 int  ixgbe_mq_start_locked(struct ifnet *, struct tx_ring *);
    748 void ixgbe_deferred_mq_start(void *);
    749 void ixgbe_deferred_mq_start_work(struct work *, void *);
    750 void ixgbe_drain_all(struct adapter *);
    751 
    752 int  ixgbe_allocate_queues(struct adapter *);
    753 int  ixgbe_setup_transmit_structures(struct adapter *);
    754 void ixgbe_free_transmit_structures(struct adapter *);
    755 int  ixgbe_setup_receive_structures(struct adapter *);
    756 void ixgbe_free_receive_structures(struct adapter *);
    757 bool ixgbe_txeof(struct tx_ring *);
    758 bool ixgbe_rxeof(struct ix_queue *);
    759 
    760 const struct sysctlnode *ixgbe_sysctl_instance(struct adapter *);
    761 
    762 #include "ixgbe_bypass.h"
    763 #include "ixgbe_fdir.h"
    764 #include "ixgbe_rss.h"
    765 #include "ixgbe_netmap.h"
    766 
    767 #endif /* _IXGBE_H_ */
    768