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_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__ */ 100