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Print out some more details from incoming packets (tlabel's). 

Also, when receiving a write packet, respond with a proper ack if something
was available to process it. (Fixes most of the sbp2 random hangs)
This commit is contained in:
jmc 2002-11-30 06:09:42 +00:00
parent 4d5f70e6b6
commit 88fe775d19
1 changed files with 21 additions and 8 deletions
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29
sys/dev/ieee1394/fwohci.c
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@ -1,4 +1,4 @@
/* $NetBSD: fwohci.c,v 1.59 2002/11/25 02:30:38 thorpej Exp $ */
/* $NetBSD: fwohci.c,v 1.60 2002/11/30 06:09:42 jmc Exp $ */
/*-
* Copyright (c) 2000 The NetBSD Foundation, Inc.
@ -49,7 +49,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: fwohci.c,v 1.59 2002/11/25 02:30:38 thorpej Exp $");
__KERNEL_RCSID(0, "$NetBSD: fwohci.c,v 1.60 2002/11/30 06:09:42 jmc Exp $");
#define DOUBLEBUF 1
#define NO_THREAD 1
@ -1348,6 +1348,9 @@ fwohci_buf_input(struct fwohci_softc *sc, struct fwohci_ctx *fc,
caddr_t p;
struct fwohci_buf *fb;
int len, count, i;
#ifdef FW_DEBUG
int tlabel;
#endif
memset(pkt, 0, sizeof(*pkt));
pkt->fp_uio.uio_iov = pkt->fp_iov;
@ -1417,8 +1420,11 @@ fwohci_buf_input(struct fwohci_softc *sc, struct fwohci_ctx *fc,
if (pkt->fp_hlen == 16 &&
pkt->fp_tcode != IEEE1394_TCODE_READ_REQ_BLOCK)
pkt->fp_dlen = pkt->fp_hdr[3] >> 16;
DPRINTFN(1, ("fwohci_buf_input: tcode=0x%x, hlen=%d, dlen=%d\n",
pkt->fp_tcode, pkt->fp_hlen, pkt->fp_dlen));
#ifdef FW_DEBUG
tlabel = (pkt->fp_hdr[0] & 0x0000fc00) >> 10;
#endif
DPRINTFN(1, ("fwohci_buf_input: tcode=0x%x, tlabel=0x%x, hlen=%d, "
"dlen=%d\n", pkt->fp_tcode, tlabel, pkt->fp_hlen, pkt->fp_dlen));
/* get data */
count = 0;
@ -1825,6 +1831,7 @@ fwohci_at_output(struct fwohci_softc *sc, struct fwohci_ctx *fc,
u_int32_t val;
#ifdef FW_DEBUG
struct iovec *iov;
int tlabel = (pkt->fp_hdr[0] & 0x0000fc00) >> 10;
#endif
if ((sc->sc_nodeid & OHCI_NodeId_NodeNumber) == IEEE1394_BCAST_PHY_ID)
@ -1832,8 +1839,8 @@ fwohci_at_output(struct fwohci_softc *sc, struct fwohci_ctx *fc,
return EAGAIN;
#ifdef FW_DEBUG
DPRINTFN(1, ("fwohci_at_output: tcode 0x%x, hlen %d, dlen %d",
pkt->fp_tcode, pkt->fp_hlen, pkt->fp_dlen));
DPRINTFN(1, ("fwohci_at_output: tcode 0x%x, tlabel 0x%x hlen %d, "
"dlen %d", pkt->fp_tcode, tlabel, pkt->fp_hlen, pkt->fp_dlen));
for (i = 0; i < pkt->fp_hlen/4; i++)
DPRINTFN(2, ("%s%08x", i?" ":"\n ", pkt->fp_hdr[i]));
DPRINTFN(2, ("$"));
@ -3590,6 +3597,7 @@ fwohci_inreg(struct ieee1394_abuf *ab, int allow)
fwohci_handler_set(psc, ab->ab_tcode,
high, lo + (i * 4), NULL, NULL);
}
/*
* XXX: Need something to indicate writing a smaller
* amount is ok.
@ -3632,7 +3640,7 @@ fwohci_parse_input(struct fwohci_softc *sc, void *arg, struct fwohci_pkt *pkt)
struct ieee1394_abuf *ab = (struct ieee1394_abuf *)arg;
u_int64_t addr;
u_int32_t *cur;
int i, count;
int i, count, ret;
ab->ab_tcode = (pkt->fp_hdr[0] >> 4) & 0xf;
ab->ab_tlabel = (pkt->fp_hdr[0] >> 10) & 0x3f;
@ -3644,6 +3652,8 @@ fwohci_parse_input(struct fwohci_softc *sc, void *arg, struct fwohci_pkt *pkt)
switch (ab->ab_tcode) {
case IEEE1394_TCODE_READ_REQ_QUAD:
ab->ab_retlen = 4;
/* Response's (if required) will come from callback code */
ret = -1;
break;
case IEEE1394_TCODE_READ_REQ_BLOCK:
ab->ab_retlen = (pkt->fp_hdr[3] >> 16) & 0xffff;
@ -3654,6 +3664,8 @@ fwohci_parse_input(struct fwohci_softc *sc, void *arg, struct fwohci_pkt *pkt)
} else
if (ab->ab_retlen != ab->ab_length)
return IEEE1394_RCODE_ADDRESS_ERROR;
/* Response's (if required) will come from callback code */
ret = -1;
break;
case IEEE1394_TCODE_WRITE_REQ_QUAD:
ab->ab_retlen = 4;
@ -3687,6 +3699,7 @@ fwohci_parse_input(struct fwohci_softc *sc, void *arg, struct fwohci_pkt *pkt)
"but only %d bytes returned\n",
ab->ab_retlen, count);
}
ret = IEEE1394_RCODE_COMPLETE;
break;
default:
panic("Got a callback for a tcode that wasn't requested: %d",
@ -3695,7 +3708,7 @@ fwohci_parse_input(struct fwohci_softc *sc, void *arg, struct fwohci_pkt *pkt)
}
ab->ab_addr = addr;
ab->ab_cb(ab, IEEE1394_RCODE_COMPLETE);
return -1;
return ret;
}
static int