if_dwcvar.h

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    1 /*-
    2  * Copyright (c) 2014 Ruslan Bukin <br@bsdpad.com>
    3  * All rights reserved.
    4  *
    5  * This software was developed by SRI International and the University of
    6  * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237)
    7  * ("CTSRD"), as part of the DARPA CRASH research programme.
    8  *
    9  * Redistribution and use in source and binary forms, with or without
   10  * modification, are permitted provided that the following conditions
   11  * are met:
   12  * 1. Redistributions of source code must retain the above copyright
   13  *    notice, this list of conditions and the following disclaimer.
   14  * 2. Redistributions in binary form must reproduce the above copyright
   15  *    notice, this list of conditions and the following disclaimer in the
   16  *    documentation and/or other materials provided with the distribution.
   17  *
   18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   28  * SUCH DAMAGE.
   29  *
   30  * $FreeBSD$
   31  */
   32 
   33 /*
   34  * Ethernet media access controller (EMAC)
   35  * Chapter 17, Altera Cyclone V Device Handbook (CV-5V2 2014.07.22)
   36  *
   37  * EMAC is an instance of the Synopsys DesignWare 3504-0
   38  * Universal 10/100/1000 Ethernet MAC (DWC_gmac).
   39  */
   40 
   41 #ifndef __IF_DWCVAR_H__
   42 #define __IF_DWCVAR_H__
   43 
   44 /*
   45  * Driver data and defines.
   46  */
   47 #define RX_DESC_COUNT   1024
   48 #define RX_DESC_SIZE    (sizeof(struct dwc_hwdesc) * RX_DESC_COUNT)
   49 #define TX_DESC_COUNT   1024
   50 #define TX_MAP_COUNT    TX_DESC_COUNT
   51 #define TX_DESC_SIZE    (sizeof(struct dwc_hwdesc) * TX_DESC_COUNT)
   52 #define TX_MAP_MAX_SEGS 32
   53 
   54 struct dwc_bufmap {
   55         bus_dmamap_t            map;
   56         struct mbuf             *mbuf;
   57         /* Only used for TX descirptors */
   58         int                     last_desc_idx;
   59 };
   60 
   61 struct dwc_softc {
   62         struct resource         *res[2];
   63         device_t                dev;
   64         int                     mactype;
   65         int                     mii_clk;
   66         device_t                miibus;
   67         struct mii_data *       mii_softc;
   68         struct ifnet            *ifp;
   69         int                     if_flags;
   70         struct mtx              mtx;
   71         void *                  intr_cookie;
   72         struct callout          dwc_callout;
   73         boolean_t               link_is_up;
   74         boolean_t               is_attached;
   75         boolean_t               is_detaching;
   76         int                     tx_watchdog_count;
   77         int                     stats_harvest_count;
   78         int                     phy_mode;
   79 
   80         /* RX */
   81         bus_dma_tag_t           rxdesc_tag;
   82         bus_dmamap_t            rxdesc_map;
   83         struct dwc_hwdesc       *rxdesc_ring;
   84         bus_addr_t              rxdesc_ring_paddr;
   85         bus_dma_tag_t           rxbuf_tag;
   86         struct dwc_bufmap       rxbuf_map[RX_DESC_COUNT];
   87         uint32_t                rx_idx;
   88 
   89         /* TX */
   90         bus_dma_tag_t           txdesc_tag;
   91         bus_dmamap_t            txdesc_map;
   92         struct dwc_hwdesc       *txdesc_ring;
   93         bus_addr_t              txdesc_ring_paddr;
   94         bus_dma_tag_t           txbuf_tag;
   95         struct dwc_bufmap       txbuf_map[TX_DESC_COUNT];
   96         uint32_t                tx_desc_head;
   97         uint32_t                tx_desc_tail;
   98         uint32_t                tx_map_head;
   99         uint32_t                tx_map_tail;
  100         int                     tx_desccount;
  101         int                     tx_mapcount;
  102 };
  103 
  104 #endif  /* __IF_DWCVAR_H__ */

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FreeBSD/Linux Kernel Cross Reference sys/dev/dwc/if_dwcvar.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/dwc/if_dwcvar.h