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Fill reserved fields of transmitting packets header with zero.

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This fixes the if_fwe problem with 1394b chip.

PR and Tested by: nork
This commit is contained in:
Hidetoshi Shimokawa 2003-08-20 03:11:37 +00:00
parent 83e3877521
commit a1c9e73ab8
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=119155
2 changed files with 24 additions and 14 deletions
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32
sys/dev/firewire/fwohci.c
View File

@ -839,6 +839,7 @@ fwohci_start(struct fwohci_softc *sc, struct fwohci_dbch *dbch)
volatile struct fwohci_txpkthdr *ohcifp;
struct fwohcidb_tr *db_tr;
volatile struct fwohcidb *db;
volatile u_int32_t *ld;
struct tcode_info *info;
static int maxdesc=0;
@ -873,17 +874,20 @@ fwohci_start(struct fwohci_softc *sc, struct fwohci_dbch *dbch)
ohcifp = (volatile struct fwohci_txpkthdr *) db_tr->db[1].db.immed;
info = &tinfo[tcode];
hdr_len = pl_off = info->hdr_len;
for( i = 0 ; i < pl_off ; i+= 4){
ohcifp->mode.ld[i/4] = fp->mode.ld[i/4];
}
ohcifp->mode.common.spd = xfer->spd;
ld = &ohcifp->mode.ld[0];
ld[0] = ld[1] = ld[2] = ld[3] = 0;
for( i = 0 ; i < pl_off ; i+= 4)
ld[i/4] = fp->mode.ld[i/4];
ohcifp->mode.common.spd = xfer->spd & 0x7;
if (tcode == FWTCODE_STREAM ){
hdr_len = 8;
ohcifp->mode.stream.len = fp->mode.stream.len;
} else if (tcode == FWTCODE_PHY) {
hdr_len = 12;
ohcifp->mode.ld[1] = fp->mode.ld[1];
ohcifp->mode.ld[2] = fp->mode.ld[2];
ld[1] = fp->mode.ld[1];
ld[2] = fp->mode.ld[2];
ohcifp->mode.common.spd = 0;
ohcifp->mode.common.tcode = FWOHCITCODE_PHY;
} else {
@ -894,6 +898,7 @@ fwohci_start(struct fwohci_softc *sc, struct fwohci_dbch *dbch)
db = &db_tr->db[0];
FWOHCI_DMA_WRITE(db->db.desc.cmd,
OHCI_OUTPUT_MORE | OHCI_KEY_ST2 | hdr_len);
FWOHCI_DMA_WRITE(db->db.desc.addr, 0);
FWOHCI_DMA_WRITE(db->db.desc.res, 0);
/* Specify bound timer of asy. responce */
if(&sc->atrs == dbch){
@ -904,7 +909,7 @@ fwohci_start(struct fwohci_softc *sc, struct fwohci_dbch *dbch)
if (tcode == FWTCODE_WREQQ || tcode == FWTCODE_RRESQ)
hdr_len = 12;
for (i = 0; i < hdr_len/4; i ++)
FWOHCI_DMA_WRITE(ohcifp->mode.ld[i], ohcifp->mode.ld[i]);
FWOHCI_DMA_WRITE(ld[i], ld[i]);
#endif
again:
@ -1057,8 +1062,9 @@ fwohci_txd(struct fwohci_softc *sc, struct fwohci_dbch *dbch)
bus_dmamap_sync(dbch->dmat, tr->dma_map,
BUS_DMASYNC_POSTWRITE);
bus_dmamap_unload(dbch->dmat, tr->dma_map);
#if 0
dump_db(sc, ch);
#if 1
if (firewire_debug)
dump_db(sc, ch);
#endif
if(status & OHCI_CNTL_DMA_DEAD) {
/* Stop DMA */
@ -2106,11 +2112,14 @@ fwohci_tbuf_update(struct fwohci_softc *sc, int dmach)
ldesc = sc->it[dmach].ndesc - 1;
s = splfw(); /* unnecessary ? */
fwdma_sync_multiseg_all(sc->it[dmach].am, BUS_DMASYNC_POSTREAD);
if (firewire_debug)
dump_db(sc, ITX_CH + dmach);
while ((chunk = STAILQ_FIRST(&it->stdma)) != NULL) {
db = ((struct fwohcidb_tr *)(chunk->end))->db;
stat = FWOHCI_DMA_READ(db[ldesc].db.desc.res)
>> OHCI_STATUS_SHIFT;
db = ((struct fwohcidb_tr *)(chunk->start))->db;
/* timestamp */
count = FWOHCI_DMA_READ(db[ldesc].db.desc.res)
& OHCI_COUNT_MASK;
if (stat == 0)
@ -2454,10 +2463,10 @@ device_printf(sc->fc.dev, "DB %08x %08x %08x\n", bulkxfer, db_tr->bus_addr, fdb_
fp = (struct fw_pkt *)db_tr->buf;
ohcifp = (volatile struct fwohci_txpkthdr *) db[1].db.immed;
ohcifp->mode.ld[0] = fp->mode.ld[0];
ohcifp->mode.common.spd = 0 & 0x7;
ohcifp->mode.stream.len = fp->mode.stream.len;
ohcifp->mode.stream.chtag = chtag;
ohcifp->mode.stream.tcode = 0xa;
ohcifp->mode.stream.spd = 0;
#if BYTE_ORDER == BIG_ENDIAN
FWOHCI_DMA_WRITE(db[1].db.immed[0], db[1].db.immed[0]);
FWOHCI_DMA_WRITE(db[1].db.immed[1], db[1].db.immed[1]);
@ -2514,6 +2523,9 @@ fwohci_add_tx_buf(struct fwohci_dbch *dbch, struct fwohcidb_tr *db_tr,
FWOHCI_DMA_WRITE(db[0].db.desc.cmd,
OHCI_OUTPUT_MORE | OHCI_KEY_ST2 | 8);
FWOHCI_DMA_WRITE(db[0].db.desc.addr, 0);
bzero((void *)(uintptr_t)(volatile void *)
&db[1].db.immed[0], sizeof(db[1].db.immed));
FWOHCI_DMA_WRITE(db[2].db.desc.addr,
fwdma_bus_addr(it->buf, poffset) + sizeof(u_int32_t));

6
sys/dev/firewire/fwohcireg.h
View File

@ -332,8 +332,7 @@ struct fwohci_txpkthdr{
u_int32_t ld[4];
struct {
#if BYTE_ORDER == BIG_ENDIAN
u_int32_t :13,
spd:3,
u_int32_t spd:16, /* XXX include reserved field */
:8,
tcode:4,
:4;
@ -341,8 +340,7 @@ struct fwohci_txpkthdr{
u_int32_t :4,
tcode:4,
:8,
spd:3,
:13;
spd:16; /* XXX include reserved fields */
#endif
}common;
struct {