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switch to use bus_dmamap_load_mbuf_sg

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This commit is contained in:
Sam Leffler 2005-01-24 19:51:59 +00:00
parent 4bacf7c1f3
commit f9e6219b15
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=140756
1 changed files with 13 additions and 25 deletions
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38
sys/dev/ath/if_ath.c
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@ -1640,18 +1640,6 @@ ath_mode_init(struct ath_softc *sc)
__func__, rfilt, mfilt[0], mfilt[1]);
}
static void
ath_mbuf_load_cb(void *arg, bus_dma_segment_t *seg, int nseg, bus_size_t mapsize, int error)
{
struct ath_buf *bf = arg;
KASSERT(nseg <= ATH_MAX_SCATTER, ("too many DMA segments %u", nseg));
KASSERT(error == 0, ("error %u on bus_dma callback", error));
bf->bf_mapsize = mapsize;
bf->bf_nseg = nseg;
bcopy(seg, bf->bf_segs, nseg * sizeof (seg[0]));
}
/*
* Set the slot time based on the current setting.
*/
@ -1740,8 +1728,8 @@ ath_beacon_alloc(struct ath_softc *sc, struct ieee80211_node *ni)
sc->sc_stats.ast_be_nombuf++;
return ENOMEM;
}
error = bus_dmamap_load_mbuf(sc->sc_dmat, bf->bf_dmamap, m,
ath_mbuf_load_cb, bf,
error = bus_dmamap_load_mbuf_sg(sc->sc_dmat, bf->bf_dmamap, m,
bf->bf_segs, &bf->bf_nseg,
BUS_DMA_NOWAIT);
if (error == 0) {
bf->bf_m = m;
@ -1886,12 +1874,12 @@ ath_beacon_proc(void *arg, int pending)
if (ieee80211_beacon_update(ic, bf->bf_node, &sc->sc_boff, m, ncabq)) {
/* XXX too conservative? */
bus_dmamap_unload(sc->sc_dmat, bf->bf_dmamap);
error = bus_dmamap_load_mbuf(sc->sc_dmat, bf->bf_dmamap, m,
ath_mbuf_load_cb, bf,
error = bus_dmamap_load_mbuf_sg(sc->sc_dmat, bf->bf_dmamap, m,
bf->bf_segs, &bf->bf_nseg,
BUS_DMA_NOWAIT);
if (error != 0) {
if_printf(ic->ic_ifp,
"%s: bus_dmamap_load_mbuf failed, error %u\n",
"%s: bus_dmamap_load_mbuf_sg failed, error %u\n",
__func__, error);
return;
}
@ -2386,14 +2374,14 @@ ath_rxbuf_init(struct ath_softc *sc, struct ath_buf *bf)
bf->bf_m = m;
m->m_pkthdr.len = m->m_len = m->m_ext.ext_size;
error = bus_dmamap_load_mbuf(sc->sc_dmat,
error = bus_dmamap_load_mbuf_sg(sc->sc_dmat,
bf->bf_dmamap, m,
ath_mbuf_load_cb, bf,
bf->bf_segs, &bf->bf_nseg,
BUS_DMA_NOWAIT);
if (error != 0) {
DPRINTF(sc, ATH_DEBUG_ANY,
"%s: bus_dmamap_load_mbuf failed; error %d\n",
__func__, error);
"%s: bus_dmamap_load_mbuf_sg failed; error %d\n",
__func__, error);
sc->sc_stats.ast_rx_busdma++;
return error;
}
@ -3007,8 +2995,8 @@ ath_tx_start(struct ath_softc *sc, struct ieee80211_node *ni, struct ath_buf *bf
* Load the DMA map so any coalescing is done. This
* also calculates the number of descriptors we need.
*/
error = bus_dmamap_load_mbuf(sc->sc_dmat, bf->bf_dmamap, m0,
ath_mbuf_load_cb, bf,
error = bus_dmamap_load_mbuf_sg(sc->sc_dmat, bf->bf_dmamap, m0,
bf->bf_segs, &bf->bf_nseg,
BUS_DMA_NOWAIT);
if (error == EFBIG) {
/* XXX packet requires too many descriptors */
@ -3031,8 +3019,8 @@ ath_tx_start(struct ath_softc *sc, struct ieee80211_node *ni, struct ath_buf *bf
m_freem(m0);
return ENOMEM;
}
error = bus_dmamap_load_mbuf(sc->sc_dmat, bf->bf_dmamap, m0,
ath_mbuf_load_cb, bf,
error = bus_dmamap_load_mbuf_sg(sc->sc_dmat, bf->bf_dmamap, m0,
bf->bf_segs, &bf->bf_nseg,
BUS_DMA_NOWAIT);
if (error != 0) {
sc->sc_stats.ast_tx_busdma++;