Run if_vr(4) through FlexeLint and clean some of the cobwebs found.

This commit is contained in:
Poul-Henning Kamp 2007-04-22 12:55:36 +00:00
parent 58967d8d46
commit c8ea76936e
4 changed files with 120 additions and 204 deletions

View File

@ -74,7 +74,6 @@ __FBSDID("$FreeBSD$");
#include <sys/socket.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <net/ethernet.h>
#include <net/if_dl.h>
#include <net/if_media.h>
@ -89,10 +88,8 @@ __FBSDID("$FreeBSD$");
#include <sys/bus.h>
#include <sys/rman.h>
#include <dev/mii/mii.h>
#include <dev/mii/miivar.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#define VR_USEIOSPACE
@ -136,12 +133,32 @@ static struct vr_type vr_devs[] = {
{ 0, 0, 0, NULL }
};
struct vr_softc {
struct ifnet *vr_ifp; /* interface info */
device_t vr_dev;
struct resource *vr_res;
struct resource *vr_irq;
void *vr_intrhand;
device_t vr_miibus;
u_int8_t vr_revid; /* Rhine chip revision */
u_int8_t vr_flags; /* See VR_F_* below */
struct vr_list_data *vr_ldata;
struct vr_chain_data vr_cdata;
struct callout vr_stat_callout;
struct mtx vr_mtx;
int suspended; /* if 1, sleeping/detaching */
int vr_quirks;
#ifdef DEVICE_POLLING
int rxcycles;
#endif
};
static int vr_probe(device_t);
static int vr_attach(device_t);
static int vr_detach(device_t);
static int vr_newbuf(struct vr_softc *, struct vr_chain_onefrag *,
struct mbuf *);
static int vr_newbuf(struct vr_chain_onefrag *, struct mbuf *);
static void vr_rxeof(struct vr_softc *);
static void vr_rxeoc(struct vr_softc *);
@ -163,15 +180,15 @@ static void vr_ifmedia_sts(struct ifnet *, struct ifmediareq *);
static void vr_mii_sync(struct vr_softc *);
static void vr_mii_send(struct vr_softc *, uint32_t, int);
#endif
static int vr_mii_readreg(struct vr_softc *, struct vr_mii_frame *);
static int vr_mii_writereg(struct vr_softc *, struct vr_mii_frame *);
static int vr_mii_readreg(const struct vr_softc *, struct vr_mii_frame *);
static int vr_mii_writereg(const struct vr_softc *, const struct vr_mii_frame *);
static int vr_miibus_readreg(device_t, uint16_t, uint16_t);
static int vr_miibus_writereg(device_t, uint16_t, uint16_t, uint16_t);
static void vr_miibus_statchg(device_t);
static void vr_setcfg(struct vr_softc *, int);
static void vr_setmulti(struct vr_softc *);
static void vr_reset(struct vr_softc *);
static void vr_reset(const struct vr_softc *);
static int vr_list_rx_init(struct vr_softc *);
static int vr_list_tx_init(struct vr_softc *);
@ -212,40 +229,34 @@ static devclass_t vr_devclass;
DRIVER_MODULE(vr, pci, vr_driver, vr_devclass, 0, 0);
DRIVER_MODULE(miibus, vr, miibus_driver, miibus_devclass, 0, 0);
#define VR_F_RESTART 0x01 /* Restart unit on next tick */
#define VR_SETBIT(sc, reg, x) \
CSR_WRITE_1(sc, reg, \
CSR_READ_1(sc, reg) | (x))
#define VR_LOCK(_sc) mtx_lock(&(_sc)->vr_mtx)
#define VR_UNLOCK(_sc) mtx_unlock(&(_sc)->vr_mtx)
#define VR_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->vr_mtx, MA_OWNED)
#define VR_CLRBIT(sc, reg, x) \
CSR_WRITE_1(sc, reg, \
CSR_READ_1(sc, reg) & ~(x))
/*
* register space access macros
*/
#define CSR_WRITE_4(sc, reg, val) bus_write_4(sc->vr_res, reg, val)
#define CSR_WRITE_2(sc, reg, val) bus_write_2(sc->vr_res, reg, val)
#define CSR_WRITE_1(sc, reg, val) bus_write_1(sc->vr_res, reg, val)
#define VR_SETBIT16(sc, reg, x) \
CSR_WRITE_2(sc, reg, \
CSR_READ_2(sc, reg) | (x))
#define CSR_READ_2(sc, reg) bus_read_2(sc->vr_res, reg)
#define CSR_READ_1(sc, reg) bus_read_1(sc->vr_res, reg)
#define VR_CLRBIT16(sc, reg, x) \
CSR_WRITE_2(sc, reg, \
CSR_READ_2(sc, reg) & ~(x))
#define VR_SETBIT(sc, reg, x) CSR_WRITE_1(sc, reg, CSR_READ_1(sc, reg) | (x))
#define VR_CLRBIT(sc, reg, x) CSR_WRITE_1(sc, reg, CSR_READ_1(sc, reg) & ~(x))
#define VR_SETBIT32(sc, reg, x) \
CSR_WRITE_4(sc, reg, \
CSR_READ_4(sc, reg) | (x))
#define VR_CLRBIT32(sc, reg, x) \
CSR_WRITE_4(sc, reg, \
CSR_READ_4(sc, reg) & ~(x))
#define SIO_SET(x) \
CSR_WRITE_1(sc, VR_MIICMD, \
CSR_READ_1(sc, VR_MIICMD) | (x))
#define SIO_CLR(x) \
CSR_WRITE_1(sc, VR_MIICMD, \
CSR_READ_1(sc, VR_MIICMD) & ~(x))
#define VR_SETBIT16(sc, reg, x) CSR_WRITE_2(sc, reg, CSR_READ_2(sc, reg) | (x))
#define VR_CLRBIT16(sc, reg, x) CSR_WRITE_2(sc, reg, CSR_READ_2(sc, reg) & ~(x))
#ifdef VR_USESWSHIFT
#define CSR_READ_4(sc, reg) bus_read_4(sc->vr_res, reg)
#define SIO_SET(x) CSR_WRITE_1(sc, VR_MIICMD, CSR_READ_1(sc, VR_MIICMD) | (x))
#define SIO_CLR(x) CSR_WRITE_1(sc, VR_MIICMD, CSR_READ_1(sc, VR_MIICMD) & ~(x))
/*
* Sync the PHYs by setting data bit and strobing the clock 32 times.
*/
@ -292,7 +303,7 @@ vr_mii_send(struct vr_softc *sc, uint32_t bits, int cnt)
* Read an PHY register through the MII.
*/
static int
vr_mii_readreg(struct vr_softc *sc, struct vr_mii_frame *frame)
vr_mii_readreg(const struct vr_softc *sc, struct vr_mii_frame *frame)
#ifdef VR_USESWSHIFT
{
int i, ack;
@ -397,7 +408,7 @@ vr_mii_readreg(struct vr_softc *sc, struct vr_mii_frame *frame)
* Write to a PHY register through the MII.
*/
static int
vr_mii_writereg(struct vr_softc *sc, struct vr_mii_frame *frame)
vr_mii_writereg(const struct vr_softc *sc, const struct vr_mii_frame *frame)
#ifdef VR_USESWSHIFT
{
CSR_WRITE_1(sc, VR_MIICMD, 0);
@ -461,22 +472,13 @@ vr_miibus_readreg(device_t dev, uint16_t phy, uint16_t reg)
struct vr_mii_frame frame;
struct vr_softc *sc = device_get_softc(dev);
switch (sc->vr_revid) {
case REV_ID_VT6102_APOLLO:
if (phy != 1) {
frame.mii_data = 0;
goto out;
}
default:
break;
}
if (sc->vr_revid == REV_ID_VT6102_APOLLO && phy != 1)
return (0);
bzero((char *)&frame, sizeof(frame));
frame.mii_phyaddr = phy;
frame.mii_regaddr = reg;
vr_mii_readreg(sc, &frame);
out:
return (frame.mii_data);
}
@ -486,13 +488,8 @@ vr_miibus_writereg(device_t dev, uint16_t phy, uint16_t reg, uint16_t data)
struct vr_mii_frame frame;
struct vr_softc *sc = device_get_softc(dev);
switch (sc->vr_revid) {
case REV_ID_VT6102_APOLLO:
if (phy != 1)
return (0);
default:
break;
}
if (sc->vr_revid == REV_ID_VT6102_APOLLO && phy != 1)
return (0);
bzero((char *)&frame, sizeof(frame));
frame.mii_phyaddr = phy;
@ -594,7 +591,7 @@ vr_setcfg(struct vr_softc *sc, int media)
}
static void
vr_reset(struct vr_softc *sc)
vr_reset(const struct vr_softc *sc)
{
register int i;
@ -659,19 +656,17 @@ vr_probe(device_t dev)
* setup and ethernet/BPF attach.
*/
static int
vr_attach(dev)
device_t dev;
vr_attach(device_t dev)
{
int i;
u_char eaddr[ETHER_ADDR_LEN];
struct vr_softc *sc;
struct ifnet *ifp;
int unit, error = 0, rid;
int error = 0, rid;
struct vr_type *t;
sc = device_get_softc(dev);
sc->vr_dev = dev;
unit = device_get_unit(dev);
t = vr_match(dev);
KASSERT(t != NULL, ("Lost if_vr device match"));
sc->vr_quirks = t->vr_quirks;
@ -908,7 +903,7 @@ vr_list_rx_init(struct vr_softc *sc)
for (i = 0; i < VR_RX_LIST_CNT; i++) {
cd->vr_rx_chain[i].vr_ptr =
(struct vr_desc *)&ld->vr_rx_list[i];
if (vr_newbuf(sc, &cd->vr_rx_chain[i], NULL) == ENOBUFS)
if (vr_newbuf(&cd->vr_rx_chain[i], NULL) == ENOBUFS)
return (ENOBUFS);
if (i == (VR_RX_LIST_CNT - 1)) {
cd->vr_rx_chain[i].vr_nextdesc =
@ -936,7 +931,7 @@ vr_list_rx_init(struct vr_softc *sc)
* overflow the field and make a mess.
*/
static int
vr_newbuf(struct vr_softc *sc, struct vr_chain_onefrag *c, struct mbuf *m)
vr_newbuf(struct vr_chain_onefrag *c, struct mbuf *m)
{
struct mbuf *m_new = NULL;
@ -1022,7 +1017,7 @@ vr_rxeof(struct vr_softc *sc)
if (rxstat & VR_RXSTAT_BUFFERR)
printf("rx buffer error");
printf("\n");
vr_newbuf(sc, cur_rx, m);
vr_newbuf(cur_rx, m);
continue;
}
@ -1051,7 +1046,7 @@ vr_rxeof(struct vr_softc *sc)
m0 = m_devget(mtod(m, char *), total_len, ETHER_ALIGN, ifp,
NULL);
vr_newbuf(sc, cur_rx, m);
vr_newbuf(cur_rx, m);
if (m0 == NULL) {
ifp->if_ierrors++;
continue;
@ -1458,6 +1453,7 @@ vr_start_locked(struct ifnet *ifp)
("vr_next not 16 byte aligned 0x%x", f->vr_next));
}
KASSERT(f != NULL, ("if_vr: no packet processed"));
f->vr_ctl |= VR_TXCTL_LASTFRAG|VR_TXCTL_FINT;
cur_tx->vr_mbuf = m_head;
atomic_set_acq_32(&VR_TXOWN(cur_tx), VR_TXSTAT_OWN);

View File

@ -462,44 +462,6 @@ struct vr_mii_frame {
#define VR_FLAG_SCHEDDELAY 2
#define VR_FLAG_DELAYTIMEO 3
struct vr_softc {
struct ifnet *vr_ifp; /* interface info */
device_t vr_dev;
struct resource *vr_res;
struct resource *vr_irq;
void *vr_intrhand;
device_t vr_miibus;
struct vr_type *vr_info; /* Rhine adapter info */
u_int8_t vr_type;
u_int8_t vr_revid; /* Rhine chip revision */
u_int8_t vr_flags; /* See VR_F_* below */
struct vr_list_data *vr_ldata;
struct vr_chain_data vr_cdata;
struct callout vr_stat_callout;
struct mtx vr_mtx;
int suspended; /* if 1, sleeping/detaching */
int vr_quirks;
#ifdef DEVICE_POLLING
int rxcycles;
#endif
};
#define VR_F_RESTART 0x01 /* Restart unit on next tick */
#define VR_LOCK(_sc) mtx_lock(&(_sc)->vr_mtx)
#define VR_UNLOCK(_sc) mtx_unlock(&(_sc)->vr_mtx)
#define VR_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->vr_mtx, MA_OWNED)
/*
* register space access macros
*/
#define CSR_WRITE_4(sc, reg, val) bus_write_4(sc->vr_res, reg, val)
#define CSR_WRITE_2(sc, reg, val) bus_write_2(sc->vr_res, reg, val)
#define CSR_WRITE_1(sc, reg, val) bus_write_1(sc->vr_res, reg, val)
#define CSR_READ_4(sc, reg) bus_read_4(sc->vr_res, reg)
#define CSR_READ_2(sc, reg) bus_read_2(sc->vr_res, reg)
#define CSR_READ_1(sc, reg) bus_read_1(sc->vr_res, reg)
#define VR_TIMEOUT 1000
#define ETHER_ALIGN 2

View File

@ -74,7 +74,6 @@ __FBSDID("$FreeBSD$");
#include <sys/socket.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <net/ethernet.h>
#include <net/if_dl.h>
#include <net/if_media.h>
@ -89,10 +88,8 @@ __FBSDID("$FreeBSD$");
#include <sys/bus.h>
#include <sys/rman.h>
#include <dev/mii/mii.h>
#include <dev/mii/miivar.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#define VR_USEIOSPACE
@ -136,12 +133,32 @@ static struct vr_type vr_devs[] = {
{ 0, 0, 0, NULL }
};
struct vr_softc {
struct ifnet *vr_ifp; /* interface info */
device_t vr_dev;
struct resource *vr_res;
struct resource *vr_irq;
void *vr_intrhand;
device_t vr_miibus;
u_int8_t vr_revid; /* Rhine chip revision */
u_int8_t vr_flags; /* See VR_F_* below */
struct vr_list_data *vr_ldata;
struct vr_chain_data vr_cdata;
struct callout vr_stat_callout;
struct mtx vr_mtx;
int suspended; /* if 1, sleeping/detaching */
int vr_quirks;
#ifdef DEVICE_POLLING
int rxcycles;
#endif
};
static int vr_probe(device_t);
static int vr_attach(device_t);
static int vr_detach(device_t);
static int vr_newbuf(struct vr_softc *, struct vr_chain_onefrag *,
struct mbuf *);
static int vr_newbuf(struct vr_chain_onefrag *, struct mbuf *);
static void vr_rxeof(struct vr_softc *);
static void vr_rxeoc(struct vr_softc *);
@ -163,15 +180,15 @@ static void vr_ifmedia_sts(struct ifnet *, struct ifmediareq *);
static void vr_mii_sync(struct vr_softc *);
static void vr_mii_send(struct vr_softc *, uint32_t, int);
#endif
static int vr_mii_readreg(struct vr_softc *, struct vr_mii_frame *);
static int vr_mii_writereg(struct vr_softc *, struct vr_mii_frame *);
static int vr_mii_readreg(const struct vr_softc *, struct vr_mii_frame *);
static int vr_mii_writereg(const struct vr_softc *, const struct vr_mii_frame *);
static int vr_miibus_readreg(device_t, uint16_t, uint16_t);
static int vr_miibus_writereg(device_t, uint16_t, uint16_t, uint16_t);
static void vr_miibus_statchg(device_t);
static void vr_setcfg(struct vr_softc *, int);
static void vr_setmulti(struct vr_softc *);
static void vr_reset(struct vr_softc *);
static void vr_reset(const struct vr_softc *);
static int vr_list_rx_init(struct vr_softc *);
static int vr_list_tx_init(struct vr_softc *);
@ -212,40 +229,34 @@ static devclass_t vr_devclass;
DRIVER_MODULE(vr, pci, vr_driver, vr_devclass, 0, 0);
DRIVER_MODULE(miibus, vr, miibus_driver, miibus_devclass, 0, 0);
#define VR_F_RESTART 0x01 /* Restart unit on next tick */
#define VR_SETBIT(sc, reg, x) \
CSR_WRITE_1(sc, reg, \
CSR_READ_1(sc, reg) | (x))
#define VR_LOCK(_sc) mtx_lock(&(_sc)->vr_mtx)
#define VR_UNLOCK(_sc) mtx_unlock(&(_sc)->vr_mtx)
#define VR_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->vr_mtx, MA_OWNED)
#define VR_CLRBIT(sc, reg, x) \
CSR_WRITE_1(sc, reg, \
CSR_READ_1(sc, reg) & ~(x))
/*
* register space access macros
*/
#define CSR_WRITE_4(sc, reg, val) bus_write_4(sc->vr_res, reg, val)
#define CSR_WRITE_2(sc, reg, val) bus_write_2(sc->vr_res, reg, val)
#define CSR_WRITE_1(sc, reg, val) bus_write_1(sc->vr_res, reg, val)
#define VR_SETBIT16(sc, reg, x) \
CSR_WRITE_2(sc, reg, \
CSR_READ_2(sc, reg) | (x))
#define CSR_READ_2(sc, reg) bus_read_2(sc->vr_res, reg)
#define CSR_READ_1(sc, reg) bus_read_1(sc->vr_res, reg)
#define VR_CLRBIT16(sc, reg, x) \
CSR_WRITE_2(sc, reg, \
CSR_READ_2(sc, reg) & ~(x))
#define VR_SETBIT(sc, reg, x) CSR_WRITE_1(sc, reg, CSR_READ_1(sc, reg) | (x))
#define VR_CLRBIT(sc, reg, x) CSR_WRITE_1(sc, reg, CSR_READ_1(sc, reg) & ~(x))
#define VR_SETBIT32(sc, reg, x) \
CSR_WRITE_4(sc, reg, \
CSR_READ_4(sc, reg) | (x))
#define VR_CLRBIT32(sc, reg, x) \
CSR_WRITE_4(sc, reg, \
CSR_READ_4(sc, reg) & ~(x))
#define SIO_SET(x) \
CSR_WRITE_1(sc, VR_MIICMD, \
CSR_READ_1(sc, VR_MIICMD) | (x))
#define SIO_CLR(x) \
CSR_WRITE_1(sc, VR_MIICMD, \
CSR_READ_1(sc, VR_MIICMD) & ~(x))
#define VR_SETBIT16(sc, reg, x) CSR_WRITE_2(sc, reg, CSR_READ_2(sc, reg) | (x))
#define VR_CLRBIT16(sc, reg, x) CSR_WRITE_2(sc, reg, CSR_READ_2(sc, reg) & ~(x))
#ifdef VR_USESWSHIFT
#define CSR_READ_4(sc, reg) bus_read_4(sc->vr_res, reg)
#define SIO_SET(x) CSR_WRITE_1(sc, VR_MIICMD, CSR_READ_1(sc, VR_MIICMD) | (x))
#define SIO_CLR(x) CSR_WRITE_1(sc, VR_MIICMD, CSR_READ_1(sc, VR_MIICMD) & ~(x))
/*
* Sync the PHYs by setting data bit and strobing the clock 32 times.
*/
@ -292,7 +303,7 @@ vr_mii_send(struct vr_softc *sc, uint32_t bits, int cnt)
* Read an PHY register through the MII.
*/
static int
vr_mii_readreg(struct vr_softc *sc, struct vr_mii_frame *frame)
vr_mii_readreg(const struct vr_softc *sc, struct vr_mii_frame *frame)
#ifdef VR_USESWSHIFT
{
int i, ack;
@ -397,7 +408,7 @@ vr_mii_readreg(struct vr_softc *sc, struct vr_mii_frame *frame)
* Write to a PHY register through the MII.
*/
static int
vr_mii_writereg(struct vr_softc *sc, struct vr_mii_frame *frame)
vr_mii_writereg(const struct vr_softc *sc, const struct vr_mii_frame *frame)
#ifdef VR_USESWSHIFT
{
CSR_WRITE_1(sc, VR_MIICMD, 0);
@ -461,22 +472,13 @@ vr_miibus_readreg(device_t dev, uint16_t phy, uint16_t reg)
struct vr_mii_frame frame;
struct vr_softc *sc = device_get_softc(dev);
switch (sc->vr_revid) {
case REV_ID_VT6102_APOLLO:
if (phy != 1) {
frame.mii_data = 0;
goto out;
}
default:
break;
}
if (sc->vr_revid == REV_ID_VT6102_APOLLO && phy != 1)
return (0);
bzero((char *)&frame, sizeof(frame));
frame.mii_phyaddr = phy;
frame.mii_regaddr = reg;
vr_mii_readreg(sc, &frame);
out:
return (frame.mii_data);
}
@ -486,13 +488,8 @@ vr_miibus_writereg(device_t dev, uint16_t phy, uint16_t reg, uint16_t data)
struct vr_mii_frame frame;
struct vr_softc *sc = device_get_softc(dev);
switch (sc->vr_revid) {
case REV_ID_VT6102_APOLLO:
if (phy != 1)
return (0);
default:
break;
}
if (sc->vr_revid == REV_ID_VT6102_APOLLO && phy != 1)
return (0);
bzero((char *)&frame, sizeof(frame));
frame.mii_phyaddr = phy;
@ -594,7 +591,7 @@ vr_setcfg(struct vr_softc *sc, int media)
}
static void
vr_reset(struct vr_softc *sc)
vr_reset(const struct vr_softc *sc)
{
register int i;
@ -659,19 +656,17 @@ vr_probe(device_t dev)
* setup and ethernet/BPF attach.
*/
static int
vr_attach(dev)
device_t dev;
vr_attach(device_t dev)
{
int i;
u_char eaddr[ETHER_ADDR_LEN];
struct vr_softc *sc;
struct ifnet *ifp;
int unit, error = 0, rid;
int error = 0, rid;
struct vr_type *t;
sc = device_get_softc(dev);
sc->vr_dev = dev;
unit = device_get_unit(dev);
t = vr_match(dev);
KASSERT(t != NULL, ("Lost if_vr device match"));
sc->vr_quirks = t->vr_quirks;
@ -908,7 +903,7 @@ vr_list_rx_init(struct vr_softc *sc)
for (i = 0; i < VR_RX_LIST_CNT; i++) {
cd->vr_rx_chain[i].vr_ptr =
(struct vr_desc *)&ld->vr_rx_list[i];
if (vr_newbuf(sc, &cd->vr_rx_chain[i], NULL) == ENOBUFS)
if (vr_newbuf(&cd->vr_rx_chain[i], NULL) == ENOBUFS)
return (ENOBUFS);
if (i == (VR_RX_LIST_CNT - 1)) {
cd->vr_rx_chain[i].vr_nextdesc =
@ -936,7 +931,7 @@ vr_list_rx_init(struct vr_softc *sc)
* overflow the field and make a mess.
*/
static int
vr_newbuf(struct vr_softc *sc, struct vr_chain_onefrag *c, struct mbuf *m)
vr_newbuf(struct vr_chain_onefrag *c, struct mbuf *m)
{
struct mbuf *m_new = NULL;
@ -1022,7 +1017,7 @@ vr_rxeof(struct vr_softc *sc)
if (rxstat & VR_RXSTAT_BUFFERR)
printf("rx buffer error");
printf("\n");
vr_newbuf(sc, cur_rx, m);
vr_newbuf(cur_rx, m);
continue;
}
@ -1051,7 +1046,7 @@ vr_rxeof(struct vr_softc *sc)
m0 = m_devget(mtod(m, char *), total_len, ETHER_ALIGN, ifp,
NULL);
vr_newbuf(sc, cur_rx, m);
vr_newbuf(cur_rx, m);
if (m0 == NULL) {
ifp->if_ierrors++;
continue;
@ -1458,6 +1453,7 @@ vr_start_locked(struct ifnet *ifp)
("vr_next not 16 byte aligned 0x%x", f->vr_next));
}
KASSERT(f != NULL, ("if_vr: no packet processed"));
f->vr_ctl |= VR_TXCTL_LASTFRAG|VR_TXCTL_FINT;
cur_tx->vr_mbuf = m_head;
atomic_set_acq_32(&VR_TXOWN(cur_tx), VR_TXSTAT_OWN);

View File

@ -462,44 +462,6 @@ struct vr_mii_frame {
#define VR_FLAG_SCHEDDELAY 2
#define VR_FLAG_DELAYTIMEO 3
struct vr_softc {
struct ifnet *vr_ifp; /* interface info */
device_t vr_dev;
struct resource *vr_res;
struct resource *vr_irq;
void *vr_intrhand;
device_t vr_miibus;
struct vr_type *vr_info; /* Rhine adapter info */
u_int8_t vr_type;
u_int8_t vr_revid; /* Rhine chip revision */
u_int8_t vr_flags; /* See VR_F_* below */
struct vr_list_data *vr_ldata;
struct vr_chain_data vr_cdata;
struct callout vr_stat_callout;
struct mtx vr_mtx;
int suspended; /* if 1, sleeping/detaching */
int vr_quirks;
#ifdef DEVICE_POLLING
int rxcycles;
#endif
};
#define VR_F_RESTART 0x01 /* Restart unit on next tick */
#define VR_LOCK(_sc) mtx_lock(&(_sc)->vr_mtx)
#define VR_UNLOCK(_sc) mtx_unlock(&(_sc)->vr_mtx)
#define VR_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->vr_mtx, MA_OWNED)
/*
* register space access macros
*/
#define CSR_WRITE_4(sc, reg, val) bus_write_4(sc->vr_res, reg, val)
#define CSR_WRITE_2(sc, reg, val) bus_write_2(sc->vr_res, reg, val)
#define CSR_WRITE_1(sc, reg, val) bus_write_1(sc->vr_res, reg, val)
#define CSR_READ_4(sc, reg) bus_read_4(sc->vr_res, reg)
#define CSR_READ_2(sc, reg) bus_read_2(sc->vr_res, reg)
#define CSR_READ_1(sc, reg) bus_read_1(sc->vr_res, reg)
#define VR_TIMEOUT 1000
#define ETHER_ALIGN 2