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: releng/12.0/sys/dev/dwc/if_dwcvar.h 298816 2016-04-29 21:46:43Z jmcneill $
   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_MAX_PACKET   0x7ff
   48 #define RX_DESC_COUNT   1024
   49 #define RX_DESC_SIZE    (sizeof(struct dwc_hwdesc) * RX_DESC_COUNT)
   50 #define TX_DESC_COUNT   1024
   51 #define TX_DESC_SIZE    (sizeof(struct dwc_hwdesc) * TX_DESC_COUNT)
   52 
   53 struct dwc_bufmap {
   54         bus_dmamap_t            map;
   55         struct mbuf             *mbuf;
   56 };
   57 
   58 struct dwc_softc {
   59         struct resource         *res[2];
   60         bus_space_tag_t         bst;
   61         bus_space_handle_t      bsh;
   62         device_t                dev;
   63         int                     mactype;
   64         int                     mii_clk;
   65         device_t                miibus;
   66         struct mii_data *       mii_softc;
   67         struct ifnet            *ifp;
   68         int                     if_flags;
   69         struct mtx              mtx;
   70         void *                  intr_cookie;
   71         struct callout          dwc_callout;
   72         boolean_t               link_is_up;
   73         boolean_t               is_attached;
   74         boolean_t               is_detaching;
   75         int                     tx_watchdog_count;
   76         int                     stats_harvest_count;
   77 
   78         /* RX */
   79         bus_dma_tag_t           rxdesc_tag;
   80         bus_dmamap_t            rxdesc_map;
   81         struct dwc_hwdesc       *rxdesc_ring;
   82         bus_addr_t              rxdesc_ring_paddr;
   83         bus_dma_tag_t           rxbuf_tag;
   84         struct dwc_bufmap       rxbuf_map[RX_DESC_COUNT];
   85         uint32_t                rx_idx;
   86 
   87         /* TX */
   88         bus_dma_tag_t           txdesc_tag;
   89         bus_dmamap_t            txdesc_map;
   90         struct dwc_hwdesc       *txdesc_ring;
   91         bus_addr_t              txdesc_ring_paddr;
   92         bus_dma_tag_t           txbuf_tag;
   93         struct dwc_bufmap       txbuf_map[TX_DESC_COUNT];
   94         uint32_t                tx_idx_head;
   95         uint32_t                tx_idx_tail;
   96         int                     txcount;
   97 };
   98 
   99 #endif  /* __IF_DWCVAR_H__ */

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

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sys/dev/dwc/if_dwcvar.h