freebsd-nq/sys/pci/if_fxpvar.h
Chuck Paterson 0f4dc94cfc Add locking to make able to run without the Giant lock being held. This
is enabling as all entries are still called with Giant being held.
Maintaining compatability with NetBSD makes what should be very simple
kinda ugly.

Reviewed by:	Jason Evans
2000-09-17 13:26:25 +00:00

110 lines
4.6 KiB
C

/*
* Copyright (c) 1995, David Greenman
* All rights reserved.
*
* Modifications to support NetBSD:
* Copyright (c) 1997 Jason R. Thorpe. 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 unmodified, 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.
*
* $FreeBSD$
*/
/*
* Misc. defintions for the Intel EtherExpress Pro/100B PCI Fast
* Ethernet driver
*/
/*
* NOTE: Elements are ordered for optimal cacheline behavior, and NOT
* for functional grouping.
*/
struct fxp_softc {
#if defined(__NetBSD__)
struct device sc_dev; /* generic device structures */
void *sc_ih; /* interrupt handler cookie */
struct ethercom sc_ethercom; /* ethernet common part */
#else
struct arpcom arpcom; /* per-interface network data */
struct resource *mem; /* resource descriptor for registers */
struct resource *irq; /* resource descriptor for interrupt */
void *ih; /* interrupt handler cookie */
struct mtx sc_mtx;
#endif /* __NetBSD__ */
bus_space_tag_t sc_st; /* bus space tag */
bus_space_handle_t sc_sh; /* bus space handle */
struct mbuf *rfa_headm; /* first mbuf in receive frame area */
struct mbuf *rfa_tailm; /* last mbuf in receive frame area */
struct fxp_cb_tx *cbl_first; /* first active TxCB in list */
int tx_queued; /* # of active TxCB's */
int need_mcsetup; /* multicast filter needs programming */
struct fxp_cb_tx *cbl_last; /* last active TxCB in list */
struct fxp_stats *fxp_stats; /* Pointer to interface stats */
int rx_idle_secs; /* # of seconds RX has been idle */
struct callout_handle stat_ch; /* Handle for canceling our stat timeout */
struct fxp_cb_tx *cbl_base; /* base of TxCB list */
struct fxp_cb_mcs *mcsp; /* Pointer to mcast setup descriptor */
int all_mcasts; /* receive all multicasts */
struct ifmedia sc_media; /* media information */
int phy_primary_addr; /* address of primary PHY */
int phy_primary_device; /* device type of primary PHY */
int phy_10Mbps_only; /* PHY is 10Mbps-only device */
int eeprom_size; /* size of serial EEPROM */
};
/* Macros to ease CSR access. */
#define CSR_READ_1(sc, reg) \
bus_space_read_1((sc)->sc_st, (sc)->sc_sh, (reg))
#define CSR_READ_2(sc, reg) \
bus_space_read_2((sc)->sc_st, (sc)->sc_sh, (reg))
#define CSR_READ_4(sc, reg) \
bus_space_read_4((sc)->sc_st, (sc)->sc_sh, (reg))
#define CSR_WRITE_1(sc, reg, val) \
bus_space_write_1((sc)->sc_st, (sc)->sc_sh, (reg), (val))
#define CSR_WRITE_2(sc, reg, val) \
bus_space_write_2((sc)->sc_st, (sc)->sc_sh, (reg), (val))
#define CSR_WRITE_4(sc, reg, val) \
bus_space_write_4((sc)->sc_st, (sc)->sc_sh, (reg), (val))
/* Deal with slight differences in software interfaces. */
#if defined(__NetBSD__)
#define sc_if sc_ethercom.ec_if
#define FXP_FORMAT "%s"
#define FXP_ARGS(sc) (sc)->sc_dev.dv_xname
#define FXP_INTR_TYPE int
#define FXP_IOCTLCMD_TYPE u_long
#define FXP_BPFTAP_ARG(ifp) (ifp)->if_bpf
#define FXP_SPLVAR(x) int x;
#define FXP_LOCK(sc, x) x = splimp()
#define FXP_UNLOCK(sc, x) splx(x)
#else /* __FreeBSD__ */
#define sc_if arpcom.ac_if
#define FXP_FORMAT "fxp%d"
#define FXP_ARGS(sc) (sc)->arpcom.ac_if.if_unit
#define FXP_INTR_TYPE void
#define FXP_IOCTLCMD_TYPE u_long
#define FXP_BPFTAP_ARG(ifp) ifp
#define FXP_SPLVAR(s)
#define FXP_LOCK(_sc, x) mtx_enter(&(_sc)->sc_mtx, MTX_DEF)
#define FXP_UNLOCK(_sc, x) mtx_exit(&(_sc)->sc_mtx, MTX_DEF)
#endif /* __NetBSD__ */