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Code Issues Releases Activity

Correct the maxsize and maxsegsz parameters for the

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bus_dma_tag_create() calls.  Without this, fxp(4) + PAE
would consume insane amounts of bounce pages.
This commit is contained in:
Maxime Henrion 2003-04-07 17:02:44 +00:00
parent a3b3689ff3
commit d73e2e5593
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=113231
1 changed files with 7 additions and 7 deletions
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14
sys/dev/fxp/if_fxp.c
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@ -368,7 +368,7 @@ fxp_attach(device_t dev)
struct fxp_rx *rxp; struct fxp_rx *rxp;
u_int32_t val; u_int32_t val;
u_int16_t data, myea[ETHER_ADDR_LEN / 2]; u_int16_t data, myea[ETHER_ADDR_LEN / 2];
int i, rid, m1, m2, prefer_iomap; int i, rid, m1, m2, prefer_iomap, maxtxseg;
int s; int s;
bzero(sc, sizeof(*sc)); bzero(sc, sizeof(*sc));
@ -586,10 +586,10 @@ fxp_attach(device_t dev)
/* /*
* Allocate DMA tags and DMA safe memory. * Allocate DMA tags and DMA safe memory.
*/ */
maxtxseg = sc->flags & FXP_FLAG_EXT_RFA ? FXP_NTXSEG - 1 : FXP_NTXSEG;
error = bus_dma_tag_create(NULL, 2, 0, BUS_SPACE_MAXADDR_32BIT, error = bus_dma_tag_create(NULL, 2, 0, BUS_SPACE_MAXADDR_32BIT,
BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES * maxtxseg,
sc->flags & FXP_FLAG_EXT_RFA ? FXP_NTXSEG - 1 : FXP_NTXSEG, maxtxseg, MCLBYTES, 0, &sc->fxp_mtag);
BUS_SPACE_MAXSIZE_32BIT, 0, &sc->fxp_mtag);
if (error) { if (error) {
device_printf(dev, "could not allocate dma tag\n"); device_printf(dev, "could not allocate dma tag\n");
goto fail; goto fail;
@ -597,7 +597,7 @@ fxp_attach(device_t dev)
error = bus_dma_tag_create(NULL, 4, 0, BUS_SPACE_MAXADDR_32BIT, error = bus_dma_tag_create(NULL, 4, 0, BUS_SPACE_MAXADDR_32BIT,
BUS_SPACE_MAXADDR, NULL, NULL, sizeof(struct fxp_stats), 1, BUS_SPACE_MAXADDR, NULL, NULL, sizeof(struct fxp_stats), 1,
BUS_SPACE_MAXSIZE_32BIT, 0, &sc->fxp_stag); sizeof(struct fxp_stats), 0, &sc->fxp_stag);
if (error) { if (error) {
device_printf(dev, "could not allocate dma tag\n"); device_printf(dev, "could not allocate dma tag\n");
goto fail; goto fail;
@ -617,7 +617,7 @@ fxp_attach(device_t dev)
error = bus_dma_tag_create(NULL, 4, 0, BUS_SPACE_MAXADDR_32BIT, error = bus_dma_tag_create(NULL, 4, 0, BUS_SPACE_MAXADDR_32BIT,
BUS_SPACE_MAXADDR, NULL, NULL, FXP_TXCB_SZ, 1, BUS_SPACE_MAXADDR, NULL, NULL, FXP_TXCB_SZ, 1,
BUS_SPACE_MAXSIZE_32BIT, 0, &sc->cbl_tag); FXP_TXCB_SZ, 0, &sc->cbl_tag);
if (error) { if (error) {
device_printf(dev, "could not allocate dma tag\n"); device_printf(dev, "could not allocate dma tag\n");
goto fail; goto fail;
@ -639,7 +639,7 @@ fxp_attach(device_t dev)
error = bus_dma_tag_create(NULL, 4, 0, BUS_SPACE_MAXADDR_32BIT, error = bus_dma_tag_create(NULL, 4, 0, BUS_SPACE_MAXADDR_32BIT,
BUS_SPACE_MAXADDR, NULL, NULL, sizeof(struct fxp_cb_mcs), 1, BUS_SPACE_MAXADDR, NULL, NULL, sizeof(struct fxp_cb_mcs), 1,
BUS_SPACE_MAXSIZE_32BIT, 0, &sc->mcs_tag); sizeof(struct fxp_cb_mcs), 0, &sc->mcs_tag);
if (error) { if (error) {
device_printf(dev, "could not allocate dma tag\n"); device_printf(dev, "could not allocate dma tag\n");
goto fail; goto fail;