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/* $OpenBSD: if_nfevar.h,v 1.3 2005/12/17 11:12:54 jsg Exp $ */
/*
* Copyright (c) 2005 Jonathan Gray <jsg@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#define NFE_IFQ_MAXLEN 64
struct nfe_tx_data {
bus_dmamap_t map;
struct mbuf *m;
};
struct nfe_tx_ring {
bus_dmamap_t map;
bus_dma_segment_t seg;
bus_addr_t physaddr;
struct nfe_desc *desc_v1;
struct nfe_desc_v3 *desc_v3;
struct nfe_tx_data data[NFE_TX_RING_COUNT];
int queued;
int cur;
int next;
};
struct nfe_rx_data {
bus_dmamap_t map;
struct mbuf *m;
int drop;
};
struct nfe_rx_ring {
bus_dmamap_t map;
bus_dma_segment_t seg;
bus_addr_t physaddr;
struct nfe_desc *desc_v1;
struct nfe_desc_v3 *desc_v3;
struct nfe_rx_data data[NFE_RX_RING_COUNT];
int cur;
int next;
};
struct nfe_softc {
struct device sc_dev;
struct arpcom sc_arpcom;
bus_space_handle_t sc_ioh;
bus_space_tag_t sc_iot;
void *sc_ih;
bus_dma_tag_t sc_dmat;
struct mii_data sc_mii;
struct timeout sc_timeout;
u_int sc_flags;
#define NFE_JUMBO_SUP 0x01
#define NFE_40BIT_ADDR 0x02
u_char phyaddr;
struct nfe_tx_ring txq;
struct nfe_rx_ring rxq;
};
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