diff options
Diffstat (limited to 'freebsd/sys/dev/dwc/if_dwcvar.h')
| -rw-r--r-- | freebsd/sys/dev/dwc/if_dwcvar.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/freebsd/sys/dev/dwc/if_dwcvar.h b/freebsd/sys/dev/dwc/if_dwcvar.h new file mode 100644 index 00000000..d9198bda --- /dev/null +++ b/freebsd/sys/dev/dwc/if_dwcvar.h @@ -0,0 +1,99 @@ +/*- + * Copyright (c) 2014 Ruslan Bukin <br@bsdpad.com> + * All rights reserved. + * + * This software was developed by SRI International and the University of + * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237) + * ("CTSRD"), as part of the DARPA CRASH 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. + * + * $FreeBSD$ + */ + +/* + * Ethernet media access controller (EMAC) + * Chapter 17, Altera Cyclone V Device Handbook (CV-5V2 2014.07.22) + * + * EMAC is an instance of the Synopsys DesignWare 3504-0 + * Universal 10/100/1000 Ethernet MAC (DWC_gmac). + */ + +#ifndef __IF_DWCVAR_H__ +#define __IF_DWCVAR_H__ + +/* + * Driver data and defines. + */ +#define RX_MAX_PACKET 0x7ff +#define RX_DESC_COUNT 1024 +#define RX_DESC_SIZE (sizeof(struct dwc_hwdesc) * RX_DESC_COUNT) +#define TX_DESC_COUNT 1024 +#define TX_DESC_SIZE (sizeof(struct dwc_hwdesc) * TX_DESC_COUNT) + +struct dwc_bufmap { + bus_dmamap_t map; + struct mbuf *mbuf; +}; + +struct dwc_softc { + struct resource *res[2]; + bus_space_tag_t bst; + bus_space_handle_t bsh; + device_t dev; + int mactype; + int mii_clk; + device_t miibus; + struct mii_data * mii_softc; + struct ifnet *ifp; + int if_flags; + struct mtx mtx; + void * intr_cookie; + struct callout dwc_callout; + boolean_t link_is_up; + boolean_t is_attached; + boolean_t is_detaching; + int tx_watchdog_count; + int stats_harvest_count; + + /* RX */ + bus_dma_tag_t rxdesc_tag; + bus_dmamap_t rxdesc_map; + struct dwc_hwdesc *rxdesc_ring; + bus_addr_t rxdesc_ring_paddr; + bus_dma_tag_t rxbuf_tag; + struct dwc_bufmap rxbuf_map[RX_DESC_COUNT]; + uint32_t rx_idx; + + /* TX */ + bus_dma_tag_t txdesc_tag; + bus_dmamap_t txdesc_map; + struct dwc_hwdesc *txdesc_ring; + bus_addr_t txdesc_ring_paddr; + bus_dma_tag_t txbuf_tag; + struct dwc_bufmap txbuf_map[TX_DESC_COUNT]; + uint32_t tx_idx_head; + uint32_t tx_idx_tail; + int txcount; +}; + +#endif /* __IF_DWCVAR_H__ */ |