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/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2019-2025 Ruslan Bukin <br@bsdpad.com>
*
* This software was developed by SRI International and the University of
* Cambridge Computer Laboratory (Department of Computer Science and
* Technology) under DARPA contract HR0011-18-C-0016 ("ECATS"), as part of the
* DARPA SSITH research programme.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _DEV_XILINX_IF_XAEVAR_H_
#define _DEV_XILINX_IF_XAEVAR_H_
struct xae_bufmap {
struct mbuf *mbuf;
bus_dmamap_t map;
};
/*
* Driver data and defines.
*/
#define RX_DESC_COUNT 64
#define RX_DESC_SIZE (sizeof(struct axidma_desc) * RX_DESC_COUNT)
#define TX_DESC_COUNT 64
#define TX_DESC_SIZE (sizeof(struct axidma_desc) * TX_DESC_COUNT)
#define AXIDMA_TX_CHAN 0
#define AXIDMA_RX_CHAN 1
struct xae_softc {
struct resource *res[2];
bus_space_tag_t bst;
bus_space_handle_t bsh;
device_t dev;
uint8_t macaddr[ETHER_ADDR_LEN];
device_t miibus;
struct mii_data * mii_softc;
if_t ifp;
int if_flags;
struct mtx mtx;
void * intr_cookie;
struct callout xae_callout;
boolean_t link_is_up;
boolean_t is_attached;
boolean_t is_detaching;
int phy_addr;
/* Counters */
uint64_t counters[XAE_MAX_COUNTERS];
/* Axistream-connected. */
device_t dma_dev;
struct resource *dma_res;
int rxbuf_align;
int txbuf_align;
bus_dma_tag_t rxdesc_tag;
bus_dmamap_t rxdesc_map;
struct axidma_desc *rxdesc_ring;
bus_addr_t rxdesc_ring_paddr;
bus_dma_tag_t rxbuf_tag;
struct xae_bufmap rxbuf_map[RX_DESC_COUNT];
uint32_t rx_idx;
bus_dma_tag_t txdesc_tag;
bus_dmamap_t txdesc_map;
struct axidma_desc *txdesc_ring;
bus_addr_t txdesc_ring_paddr;
bus_dma_tag_t txbuf_tag;
struct xae_bufmap txbuf_map[TX_DESC_COUNT];
uint32_t tx_idx_head;
uint32_t tx_idx_tail;
int txcount;
};
#endif /* _DEV_XILINX_IF_XAEVAR_H_ */
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