void
ath_buf_set_rate(struct ath_softc *sc, struct ieee80211_node *ni,
struct ath_buf *bf)
{
HAL_11N_RATE_SERIES series[4];
struct ath_desc *ds = bf->bf_desc;
struct ath_desc *lastds = NULL;
struct ath_hal *ah = sc->sc_ah;
int is_pspoll = (bf->bf_state.bfs_atype == HAL_PKT_TYPE_PSPOLL);
int ctsrate = bf->bf_state.bfs_ctsrate;
int flags = bf->bf_state.bfs_txflags;
/* Setup rate scenario */
memset(&series, 0, sizeof(series));
ath_rateseries_setup(sc, ni, bf, series);
/* Enforce AR5416 aggregate limit - can't do RTS w/ an agg frame > 8k */
/* Enforce RTS and CTS are mutually exclusive */
/* Get a pointer to the last tx descriptor in the list */
lastds = bf->bf_lastds;
#if 0
printf("pktlen: %d; flags 0x%x\n", pktlen, flags);
ath_rateseries_print(series);
#endif
/* Set rate scenario */
ath_hal_set11nratescenario(ah, ds,
!is_pspoll, /* whether to override the duration or not */
/* don't allow hardware to override the duration on ps-poll packets */
ctsrate, /* rts/cts rate */
series, /* 11n rate series */
4, /* number of series */
flags);
/* Setup the last descriptor in the chain */
ath_hal_setuplasttxdesc(ah, lastds, ds);
/* Set burst duration */
/*
* This is only required when doing 11n burst, not aggregation
* ie, if there's a second frame in a RIFS or A-MPDU burst
* w/ >1 A-MPDU frame bursting back to back.
* Normal A-MPDU doesn't do bursting -between- aggregates.
*
* .. and it's highly likely this won't ever be implemented
*/
//ath_hal_set11nburstduration(ah, ds, 8192);
}
/*
* Setup the 11n rate scenario and burst duration for the given TX descriptor
* list.
*
* This isn't useful for sending beacon frames, which has different needs
* wrt what's passed into the rate scenario function.
*/
void
ath_buf_set_rate(struct ath_softc *sc, struct ieee80211_node *ni,
struct ath_buf *bf)
{
HAL_11N_RATE_SERIES series[4];
struct ath_desc *ds = bf->bf_desc;
struct ath_hal *ah = sc->sc_ah;
int is_pspoll = (bf->bf_state.bfs_atype == HAL_PKT_TYPE_PSPOLL);
int ctsrate = bf->bf_state.bfs_ctsrate;
int flags = bf->bf_state.bfs_txflags;
/* Setup rate scenario */
memset(&series, 0, sizeof(series));
ath_rateseries_setup(sc, ni, bf, series);
#ifdef ATH_DEBUG
if (sc->sc_debug & ATH_DEBUG_XMIT)
ath_rateseries_print(sc, series);
#endif
/* Set rate scenario */
/*
* Note: Don't allow hardware to override the duration on
* ps-poll packets.
*/
ath_hal_set11nratescenario(ah, ds,
!is_pspoll, /* whether to override the duration or not */
ctsrate, /* rts/cts rate */
series, /* 11n rate series */
4, /* number of series */
flags);
/* Set burst duration */
/*
* This is only required when doing 11n burst, not aggregation
* ie, if there's a second frame in a RIFS or A-MPDU burst
* w/ >1 A-MPDU frame bursting back to back.
* Normal A-MPDU doesn't do bursting -between- aggregates.
*
* .. and it's highly likely this won't ever be implemented
*/
//ath_hal_set11nburstduration(ah, ds, 8192);
}
