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Bug fixes and improvements. By Roar Thronæs and myself.

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This commit is contained in:
ragge 1998-08-31 19:20:24 +00:00
parent 56c79255db
commit 58831dae59
1 changed files with 64 additions and 73 deletions
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137
sys/arch/vax/boot/if_qe.c
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@ -1,4 +1,4 @@
/* $NetBSD: if_qe.c,v 1.1 1998/03/11 22:13:55 ragge Exp $ */
/* $NetBSD: if_qe.c,v 1.2 1998/08/31 19:20:24 ragge Exp $ */
/*
* Copyright (c) 1998 Roar Thronæs. All rights reserved.
@ -42,7 +42,7 @@
#include <vax/if/if_qereg.h>
int qe_probe(), qe_match(), qe_get(), qe_put();
void qe_init();
void qe_init(), qe_end();
struct netif_stats qe_stats;
@ -54,22 +54,26 @@ struct netif_dif qe_ifs[] = {
struct netif_stats qe_stats;
struct netif_driver qe_driver = {
"qe", qe_match, qe_probe, qe_init, qe_get, qe_put, 0, qe_ifs, 1,
"qe", qe_match, qe_probe, qe_init, qe_get, qe_put, qe_end, qe_ifs, 1,
};
#define PG_V 0x80000000
#define QBAMAP 0x20088000
#define NRCV 1 /* Receive descriptors */
#define NXMT 1 /* Transmit descriptors */
#define NTOT (NXMT + NRCV)
#define QE_INTS (QE_RCV_INT | QE_XMIT_INT)
#define MAXPACKETSIZE 0x800 /* Because of (buggy) DEQNA */
struct qe_softc {
struct qe_ring *rringaddr; /* mapping info for rings */
struct qe_ring *tringaddr; /* "" */
struct qe_ring rring[NRCV+1]; /* Receive ring descriptors */
struct qe_ring tring[NXMT+1]; /* Xmit ring descriptors */
struct qe_ring rring[NRCV+2]; /* Receive ring descriptors */
struct qe_ring tring[NXMT+2]; /* Xmit ring descriptors */
u_char setup_pkt[16][8]; /* Setup packet */
char qein[2048], qeout[2048];/* Packet buffers */
};
static char *qein,*qeout;
static volatile struct qe_softc *sc;
static volatile struct qedevice *addr;
@ -96,59 +100,21 @@ qe_init(desc, machdep_hint)
{
int i,j;
struct qe_ring *rp, *prp;
u_int *qm=(u_int *) QBAMAP;
qein=(void*)0x1000;
qeout=(void*)0x1800;
sc=(void*)0x2000;
sc = (void *)alloc(sizeof(struct qe_softc));
bzero(qein,2048);
bzero(qeout,2048);
bzero(sc,sizeof(struct qe_softc));
for(i = 0; i < 8192; i++)
qm[i] = PG_V | i;
/* XXX hardcoded addr */
addr = (struct qedevice *)(0x20000000 + (0774440 & 017777));
addr->qe_csr = QE_RESET;
addr->qe_csr &= ~QE_RESET;
sc->rringaddr = (void *)sc->rring;
sc->tringaddr = (void *)sc->tring;
prp = (struct qe_ring *)sc->rringaddr;
bzero((caddr_t)sc->tring, sizeof(struct qe_ring));
sc->tring->qe_buf_len = -64;
sc->tring->qe_addr_lo = (int)sc->setup_pkt;
sc->tring->qe_addr_hi = 0;
bzero((caddr_t)sc->rring, sizeof(struct qe_ring));
sc->rring->qe_buf_len = -64;
sc->rring->qe_addr_lo = (int)sc->setup_pkt;
sc->rring->qe_addr_hi = 0;
rp = (struct qe_ring *)sc->tring;
rp->qe_setup = 1;
rp->qe_eomsg = 1;
rp->qe_flag = rp->qe_status1 = QE_NOTYET;
rp->qe_valid = 1;
rp = (struct qe_ring *)&sc->tring[1];
rp->qe_flag = rp->qe_status1 = 0;
rp->qe_valid = 0;
rp->qe_addr_lo = 0;
rp->qe_addr_hi = 0;
rp = (struct qe_ring *)sc->rring;
rp->qe_flag = rp->qe_status1 = QE_NOTYET;
rp->qe_valid = 1;
rp = (struct qe_ring *)&sc->rring[1];
rp->qe_flag = rp->qe_status1 = 0;
rp->qe_valid = 0;
rp->qe_addr_lo = 0;
rp->qe_addr_hi = 0;
for(i=0x10000; i; i--) ;
for (i = 0; i < 6; i++) {
sc->setup_pkt[i][1] = addr->qe_sta_addr[i];
@ -162,25 +128,43 @@ qe_init(desc, machdep_hint)
desc->myea[i] = addr->qe_sta_addr[i];
}
bzero((caddr_t)sc->rring, sizeof(struct qe_ring));
sc->rring->qe_buf_len = -64;
sc->rring->qe_addr_lo = (short)((int)sc->setup_pkt);
sc->rring->qe_addr_hi = (short)((int)sc->setup_pkt >> 16);
bzero((caddr_t)sc->tring, sizeof(struct qe_ring));
sc->tring->qe_buf_len = -64;
sc->tring->qe_addr_lo = (short)((int)sc->setup_pkt);
sc->tring->qe_addr_hi = (short)((int)sc->setup_pkt >> 16);
sc->rring[0].qe_flag = sc->rring[0].qe_status1 = QE_NOTYET;
sc->rring[0].qe_valid = 1;
sc->tring[0].qe_setup = 1;
sc->tring[0].qe_eomsg = 1;
sc->tring[0].qe_flag = sc->tring[0].qe_status1 = QE_NOTYET;
sc->tring[0].qe_valid = 1;
addr->qe_csr = QE_XMIT_INT | QE_RCV_INT;
addr->qe_rcvlist_lo = (short)((int)prp);
addr->qe_rcvlist_hi = (short)((int)prp >> 16);
prp += NRCV+1;
addr->qe_xmtlist_lo = (short)((int)prp);
addr->qe_xmtlist_hi = (short)((int)prp >> 16);
addr->qe_rcvlist_lo = (short)((int)sc->rring & 0xffff);
addr->qe_rcvlist_hi = (short)((int)sc->rring >> 16);
while ((addr->qe_csr & 0x8080) != 0x8080)
addr->qe_xmtlist_lo = (short)((int)sc->tring & 0xffff);
addr->qe_xmtlist_hi = (short)((int)sc->tring >> 16);
while ((addr->qe_csr & QE_INTS) != QE_INTS)
;
addr->qe_csr |= 0x8080;
addr->qe_csr |= QE_INTS;
addr->qe_csr &= ~(QE_INT_ENABLE|QE_ELOOP);
addr->qe_csr |= QE_ILOOP;
sc->rring[0].qe_addr_lo = (short)((int)qein);
sc->rring[0].qe_addr_hi = (short)((int)qein >> 16);
sc->rring[0].qe_addr_lo = (short)((int)sc->qein & 0xffff);
sc->rring[0].qe_addr_hi = (short)((int)sc->qein >> 16);
sc->rring[0].qe_setup=0;
sc->rring[0].qe_buf_len=-750;
sc->rring[0].qe_buf_len=-MAXPACKETSIZE/2;
sc->rring[0].qe_valid=1;
sc->rring[0].qe_flag=sc->rring[0].qe_status1=QE_NOTYET;
sc->rring[0].qe_status2=1;
@ -191,8 +175,8 @@ qe_init(desc, machdep_hint)
sc->rring[1].qe_flag=sc->rring[1].qe_status1=QE_NOTYET;
sc->rring[1].qe_status2=1;
sc->tring[0].qe_addr_lo = (short)((int)qeout);
sc->tring[0].qe_addr_hi = (short)((int)qeout >> 16);
sc->tring[0].qe_addr_lo = (short)((int)sc->qeout & 0xffff);
sc->tring[0].qe_addr_hi = (short)((int)sc->qeout >> 16);
sc->tring[0].qe_setup=0;
sc->tring[0].qe_buf_len=0;
sc->tring[0].qe_eomsg=1;
@ -205,10 +189,8 @@ qe_init(desc, machdep_hint)
sc->tring[1].qe_addr_hi = 0;
addr->qe_csr|=QE_RCV_ENABLE;
addr->qe_rcvlist_lo = (short)((int)sc->rring);
addr->qe_rcvlist_lo = (short)((int)sc->rring & 0xffff);
addr->qe_rcvlist_hi = (short)((int)sc->rring >> 16);
return;
}
int
@ -221,7 +203,6 @@ qe_get(desc, pkt, maxlen, timeout)
int len, j;
retry:
for(j = 0x10000;j && (addr->qe_csr & QE_RCV_INT) == 0; j--)
;
@ -239,10 +220,10 @@ retry:
if (len == 0)
goto retry;
bcopy((void*)qein,pkt,len);
bcopy((void*)sc->qein,pkt,len);
end: sc->rring[0].qe_flag = sc->rring[1].qe_flag = 0;
end:
sc->rring[0].qe_status2 = sc->rring[1].qe_status2 = 1;
sc->rring[0].qe_flag=sc->rring[0].qe_status1=QE_NOTYET;
sc->rring[1].qe_flag=sc->rring[1].qe_status1=QE_NOTYET;
@ -263,13 +244,12 @@ qe_put(desc, pkt, len)
{
int j;
bcopy(pkt,qeout,len);
bcopy(pkt,sc->qeout,len);
sc->tring[0].qe_buf_len=-len/2;
sc->tring[0].qe_flag=0;
sc->tring[0].qe_flag=sc->tring[0].qe_status1=QE_NOTYET;
sc->tring[1].qe_flag=sc->tring[1].qe_status1=QE_NOTYET;
addr->qe_xmtlist_lo = (short)((int)sc->tring);
addr->qe_xmtlist_lo = (short)((int)sc->tring & 0xffff);
addr->qe_xmtlist_hi = (short)((int)sc->tring >> 16);
for(j = 0; (j < 0x10000) && ((addr->qe_csr & QE_XMIT_INT) == 0); j++)
@ -287,3 +267,14 @@ qe_put(desc, pkt, len)
}
return len;
}
void
qe_end(nif)
struct netif *nif;
{
int i;
addr->qe_csr = QE_RESET;
addr->qe_csr &= ~QE_RESET;
for(i=0x10000; i; i--) ;
}