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Add a "+1" in sca_start which should fix the limit of 2 transmit buffers. Also, kill some duplicate code.

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erh 1999-03-16 21:29:23 +00:00
parent f50c9fa8ea
commit f4ccb35266
1 changed files with 4 additions and 9 deletions
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13
sys/dev/ic/hd64570.c
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@ -1,4 +1,4 @@
/* $NetBSD: hd64570.c,v 1.4 1998/12/09 23:25:41 tls Exp $ */
/* $NetBSD: hd64570.c,v 1.5 1999/03/16 21:29:23 erh Exp $ */
/*
* Copyright (c) 1998 Vixie Enterprises
@ -771,11 +771,6 @@ sca_output(ifp, m, dst, rt0)
goto bad;
}
if (dst->sa_family != AF_INET) {
error = EAFNOSUPPORT;
goto bad;
}
#ifdef SCA_USE_FASTQ
highpri = 0;
#endif
@ -935,7 +930,7 @@ sca_start(ifp)
struct sca_softc *sc = scp->sca;
struct mbuf *m, *mb_head;
sca_desc_t *desc;
u_int8_t *buf, *obuf;
u_int8_t *buf;
u_int32_t buf_p;
int trigger_xmit;
@ -965,11 +960,11 @@ sca_start(ifp)
desc = &scp->txdesc[scp->txcur];
if (scp->txinuse != 0) {
/* Kill EOT interrupts on the previous packet. */
desc->stat &= ~SCA_DESC_EOT;
desc = &scp->txdesc[scp->txcur];
desc = &scp->txdesc[scp->txcur+1];
}
buf = scp->txbuf + SCA_BSIZE * scp->txcur;
obuf = buf;
buf_p = scp->txbuf_p + SCA_BSIZE * scp->txcur;
desc->bp = (u_int16_t)(buf_p & 0x0000ffff);