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/* $OpenBSD: if_mskvar.h,v 1.13 2017/06/02 01:47:36 dlg Exp $ */
/* $NetBSD: if_skvar.h,v 1.6 2005/05/30 04:35:22 christos Exp $ */
/*-
* Copyright (c) 2003 The NetBSD Foundation, Inc.
* All rights reserved.
*
* 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
/* $OpenBSD: if_mskvar.h,v 1.13 2017/06/02 01:47:36 dlg Exp $ */
/*
* Copyright (c) 1997, 1998, 1999, 2000
* Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Bill Paul.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY Bill Paul 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 Bill Paul OR THE VOICES IN HIS HEAD
* 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: /c/ncvs/src/sys/pci/if_skreg.h,v 1.9 2000/04/22 02:16:37 wpaul Exp $
*/
/*
* Copyright (c) 2003 Nathan L. Binkert <binkertn@umich.edu>
*
* 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.
*/
#ifndef _DEV_PCI_IF_MSKVAR_H_
#define _DEV_PCI_IF_MSKVAR_H_
struct sk_chain {
void *sk_le;
struct mbuf *sk_mbuf;
struct sk_chain *sk_next;
};
/*
* Number of DMA segments in a TxCB. Note that this is carefully
* chosen to make the total struct size an even power of two. It's
* critical that no TxCB be split across a page boundary since
* no attempt is made to allocate physically contiguous memory.
*
*/
#define SK_NTXSEG 30
#define SK_NRXSEG 4
struct sk_txmap_entry {
bus_dmamap_t dmamap;
SIMPLEQ_ENTRY(sk_txmap_entry) link;
};
struct msk_chain_data {
struct if_rxring sk_rx_ring;
struct sk_chain sk_tx_chain[MSK_TX_RING_CNT];
struct sk_chain sk_rx_chain[MSK_RX_RING_CNT];
struct sk_txmap_entry *sk_tx_map[MSK_TX_RING_CNT];
bus_dmamap_t sk_rx_map[MSK_RX_RING_CNT];
int sk_tx_prod;
int sk_tx_cons;
int sk_tx_cnt;
int sk_rx_prod;
int sk_rx_cons;
};
struct msk_ring_data {
struct msk_tx_desc sk_tx_ring[MSK_TX_RING_CNT];
struct msk_rx_desc sk_rx_ring[MSK_RX_RING_CNT];
};
#define MSK_TX_RING_ADDR(sc, i) \
((sc)->sk_ring_map->dm_segs[0].ds_addr + \
offsetof(struct msk_ring_data, sk_tx_ring[(i)]))
#define MSK_RX_RING_ADDR(sc, i) \
((sc)->sk_ring_map->dm_segs[0].ds_addr + \
offsetof(struct msk_ring_data, sk_rx_ring[(i)]))
#define MSK_CDOFF(x) offsetof(struct msk_ring_data, x)
#define MSK_CDTXOFF(x) MSK_CDOFF(sk_tx_ring[(x)])
#define MSK_CDRXOFF(x) MSK_CDOFF(sk_rx_ring[(x)])
#define MSK_CDSTOFF(x) ((x) * sizeof(struct msk_status_desc))
#define MSK_CDTXSYNC(sc, x, n, ops) \
do { \
int __x, __n; \
\
__x = (x); \
__n = (n); \
\
/* If it will wrap around, sync to the end of the ring. */ \
if ((__x + __n) > MSK_TX_RING_CNT) { \
bus_dmamap_sync((sc)->sk_softc->sc_dmatag, \
(sc)->sk_ring_map, MSK_CDTXOFF(__x), \
sizeof(struct msk_tx_desc) * (MSK_TX_RING_CNT - __x), \
(ops)); \
__n -= (MSK_TX_RING_CNT - __x); \
__x = 0; \
} \
\
/* Now sync whatever is left. */ \
bus_dmamap_sync((sc)->sk_softc->sc_dmatag, (sc)->sk_ring_map, \
MSK_CDTXOFF((__x)), sizeof(struct msk_tx_desc) * __n, (ops)); \
} while (/*CONSTCOND*/0)
#define MSK_CDRXSYNC(sc, x, ops) \
do { \
bus_dmamap_sync((sc)->sk_softc->sc_dmatag, (sc)->sk_ring_map, \
MSK_CDRXOFF((x)), sizeof(struct msk_rx_desc), (ops)); \
} while (/*CONSTCOND*/0)
#define MSK_CDSTSYNC(sc, x, ops) \
do { \
bus_dmamap_sync((sc)->sc_dmatag, (sc)->sk_status_map, \
MSK_CDSTOFF((x)), sizeof(struct msk_status_desc), (ops)); \
} while (/*CONSTCOND*/0)
#define SK_INC(x, y) (x) = (x + 1) % y
/* Forward decl. */
struct sk_if_softc;
/* Softc for the Yukon-II controller. */
struct sk_softc {
struct device sk_dev; /* generic device */
bus_space_handle_t sk_bhandle; /* bus space handle */
bus_space_tag_t sk_btag; /* bus space tag */
bus_size_t sk_bsize; /* bus space size */
void *sk_intrhand; /* irq handler handle */
pci_chipset_tag_t sk_pc;
u_int8_t sk_fibertype;
u_int8_t sk_type;
u_int8_t sk_rev;
u_int8_t sk_macs; /* # of MACs */
char *sk_name;
u_int32_t sk_ramsize; /* amount of RAM on NIC */
u_int32_t sk_intrmask;
bus_dma_tag_t sc_dmatag;
struct sk_if_softc *sk_if[2];
struct msk_status_desc *sk_status_ring;
bus_dmamap_t sk_status_map;
bus_dma_segment_t sk_status_seg;
int sk_status_nseg;
int sk_status_idx;
};
/* Softc for each logical interface */
struct sk_if_softc {
struct device sk_dev; /* generic device */
struct arpcom arpcom; /* interface info */
struct mii_data sk_mii;
u_int8_t sk_port; /* port # on controller */
u_int8_t sk_xmac_rev; /* XMAC chip rev (B2 or C1) */
u_int32_t sk_rx_ramstart;
u_int32_t sk_rx_ramend;
u_int32_t sk_tx_ramstart;
u_int32_t sk_tx_ramend;
u_int32_t sk_tx_hiaddr;
int sk_pktlen;
int sk_link;
struct timeout sk_tick_ch;
struct msk_chain_data sk_cdata;
struct msk_ring_data *sk_rdata;
bus_dmamap_t sk_ring_map;
bus_dma_segment_t sk_ring_seg;
int sk_ring_nseg;
int sk_status_idx;
struct sk_softc *sk_softc; /* parent controller */
int sk_tx_bmu; /* TX BMU register */
SIMPLEQ_HEAD(__sk_txmaphead, sk_txmap_entry) sk_txmap_head;
};
struct skc_attach_args {
u_int16_t skc_port;
u_int8_t skc_type;
u_int8_t skc_rev;
};
#define MSK_TX_TIMEOUT 5
#endif /* _DEV_PCI_IF_MSKVAR_H_ */
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