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maintain a table for mapping hardware rate codes to 802.11 rates for

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calculating the rate for each rx'd frame
This commit is contained in:
Sam Leffler 2003-08-19 21:24:16 +00:00
parent 2274d8c885
commit 1b1a8e411e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=119144
2 changed files with 6 additions and 3 deletions
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8
sys/dev/ath/if_ath.c
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@ -1521,10 +1521,9 @@ ath_rx_proc(void *arg, int npending)
m->m_pkthdr.rcvif = ifp;
m->m_pkthdr.len = m->m_len = len;
if (IFF_DUMPPKTS(ifp)) {
struct ieee80211com *ic = &sc->sc_ic;
const HAL_RATE_TABLE *rt = sc->sc_rates[ic->ic_curmode];
ieee80211_dump_pkt(mtod(m, u_int8_t *), len,
rt ? rt->info[rt->rateCodeToIndex[ds->ds_rxstat.rs_rate]].dot11Rate & IEEE80211_RATE_VAL : 0,
sc->sc_hwmap[ds->ds_rxstat.rs_rate] &
IEEE80211_RATE_VAL,
ds->ds_rxstat.rs_rssi);
}
m_adj(m, -IEEE80211_CRC_LEN);
@ -2393,6 +2392,9 @@ ath_setcurmode(struct ath_softc *sc, enum ieee80211_phymode mode)
KASSERT(rt != NULL, ("no h/w rate set for phy mode %u", mode));
for (i = 0; i < rt->rateCount; i++)
sc->sc_rixmap[rt->info[i].dot11Rate & IEEE80211_RATE_VAL] = i;
memset(sc->sc_hwmap, 0, sizeof(sc->sc_hwmap));
for (i = 0; i < 32; i++)
sc->sc_hwmap[i] = rt->info[rt->rateCodeToIndex[i]].dot11Rate;
sc->sc_currates = rt;
sc->sc_curmode = mode;
}

1
sys/dev/ath/if_athvar.h
View file

@ -95,6 +95,7 @@ struct ath_softc {
const HAL_RATE_TABLE *sc_currates; /* current rate table */
enum ieee80211_phymode sc_curmode; /* current phy mode */
u_int8_t sc_rixmap[256]; /* IEEE to h/w rate table ix */
u_int8_t sc_hwmap[32]; /* h/w rate ix to IEEE table */
HAL_INT sc_imask; /* interrupt mask copy */
struct ath_desc *sc_desc; /* TX/RX descriptors */