1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2019-2025 Ruslan Bukin <br@bsdpad.com> 5 * 6 * This software was developed by SRI International and the University of 7 * Cambridge Computer Laboratory (Department of Computer Science and 8 * Technology) under DARPA contract HR0011-18-C-0016 ("ECATS"), as part of the 9 * DARPA SSITH research programme. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33 #ifndef _DEV_XILINX_IF_XAEVAR_H_ 34 #define _DEV_XILINX_IF_XAEVAR_H_ 35 36 struct xae_bufmap { 37 struct mbuf *mbuf; 38 bus_dmamap_t map; 39 }; 40 41 /* 42 * Driver data and defines. 43 */ 44 #define RX_DESC_COUNT 64 45 #define RX_DESC_SIZE (sizeof(struct axidma_desc) * RX_DESC_COUNT) 46 #define TX_DESC_COUNT 64 47 #define TX_DESC_SIZE (sizeof(struct axidma_desc) * TX_DESC_COUNT) 48 49 #define AXIDMA_TX_CHAN 0 50 #define AXIDMA_RX_CHAN 1 51 52 struct xae_softc { 53 struct resource *res[2]; 54 bus_space_tag_t bst; 55 bus_space_handle_t bsh; 56 device_t dev; 57 uint8_t macaddr[ETHER_ADDR_LEN]; 58 device_t miibus; 59 struct mii_data * mii_softc; 60 if_t ifp; 61 int if_flags; 62 struct mtx mtx; 63 void * intr_cookie; 64 struct callout xae_callout; 65 boolean_t link_is_up; 66 boolean_t is_attached; 67 boolean_t is_detaching; 68 int phy_addr; 69 70 /* Counters */ 71 uint64_t counters[XAE_MAX_COUNTERS]; 72 73 /* Axistream-connected. */ 74 device_t dma_dev; 75 struct resource *dma_res; 76 77 int rxbuf_align; 78 int txbuf_align; 79 80 bus_dma_tag_t rxdesc_tag; 81 bus_dmamap_t rxdesc_map; 82 struct axidma_desc *rxdesc_ring; 83 bus_addr_t rxdesc_ring_paddr; 84 bus_dma_tag_t rxbuf_tag; 85 struct xae_bufmap rxbuf_map[RX_DESC_COUNT]; 86 uint32_t rx_idx; 87 88 bus_dma_tag_t txdesc_tag; 89 bus_dmamap_t txdesc_map; 90 struct axidma_desc *txdesc_ring; 91 bus_addr_t txdesc_ring_paddr; 92 bus_dma_tag_t txbuf_tag; 93 struct xae_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 /* _DEV_XILINX_IF_XAEVAR_H_ */ 100