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net80211: remove hardcoded slot time durations from drivers 

- Add IEEE80211_GET_SLOTTIME(ic) macro.
- Use predefined macroses to set slot time.

Approved by:	adrian (mentor)
Differential Revision:	https://reviews.freebsd.org/D4044
This commit is contained in:
Andriy Voskoboinyk 2015-12-13 20:48:24 +00:00
parent 375a8ff19b
commit bdfff33ff6
11 changed files with 19 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
sys/dev/bwn/if_bwn.c
View File

@ -2721,8 +2721,7 @@ bwn_updateslot(struct ieee80211com *ic)
BWN_LOCK(sc);
if (sc->sc_flags & BWN_FLAG_RUNNING) {
mac = (struct bwn_mac *)sc->sc_curmac;
bwn_set_slot_time(mac,
(ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20);
bwn_set_slot_time(mac, IEEE80211_GET_SLOTTIME(ic));
}
BWN_UNLOCK(sc);
}

2
sys/dev/otus/if_otus.c
View File

@ -2423,7 +2423,7 @@ otus_updateslot(struct otus_softc *sc)
OTUS_LOCK_ASSERT(sc);
slottime = (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
slottime = IEEE80211_GET_SLOTTIME(ic);
otus_write(sc, AR_MAC_REG_SLOT_TIME, slottime << 10);
(void)otus_write_barrier(sc);
}

6
sys/dev/ral/rt2560.c
View File

@ -2254,7 +2254,7 @@ rt2560_update_slot(struct ieee80211com *ic)
uint32_t tmp;
#ifndef FORCE_SLOTTIME
slottime = (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
slottime = IEEE80211_GET_SLOTTIME(ic);
#else
/*
* Setting slot time according to "short slot time" capability
@ -2272,13 +2272,13 @@ rt2560_update_slot(struct ieee80211com *ic)
* (-1Mb~-2Mb lower) and the _whole_ BSS would stop using short
* slot time.
*/
slottime = 20;
slottime = IEEE80211_DUR_SLOT;
#endif
/* update the MAC slot boundaries */
tx_sifs = RAL_SIFS - RT2560_TXRX_TURNAROUND;
tx_pifs = tx_sifs + slottime;
tx_difs = tx_sifs + 2 * slottime;
tx_difs = IEEE80211_DUR_DIFS(tx_sifs, slottime);
eifs = (ic->ic_curmode == IEEE80211_MODE_11B) ? 364 : 60;
tmp = RAL_READ(sc, RT2560_CSR11);

2
sys/dev/ral/rt2661.c
View File

@ -2090,7 +2090,7 @@ rt2661_update_slot(struct ieee80211com *ic)
uint8_t slottime;
uint32_t tmp;
slottime = (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
slottime = IEEE80211_GET_SLOTTIME(ic);
tmp = RAL_READ(sc, RT2661_MAC_CSR9);
tmp = (tmp & ~0xff) | slottime;

2
sys/dev/ral/rt2860.c
View File

@ -3048,7 +3048,7 @@ rt2860_updateslot(struct ieee80211com *ic)
tmp = RAL_READ(sc, RT2860_BKOFF_SLOT_CFG);
tmp &= ~0xff;
tmp |= (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
tmp |= IEEE80211_GET_SLOTTIME(ic);
RAL_WRITE(sc, RT2860_BKOFF_SLOT_CFG, tmp);
}

2
sys/dev/usb/wlan/if_rum.c
View File

@ -2068,7 +2068,7 @@ rum_update_slot_cb(struct rum_softc *sc, union sec_param *data, uint8_t rvp_id)
struct ieee80211com *ic = &sc->sc_ic;
uint8_t slottime;
slottime = (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
slottime = IEEE80211_GET_SLOTTIME(ic);
rum_modbits(sc, RT2573_MAC_CSR9, slottime, 0xff);

2
sys/dev/usb/wlan/if_run.c
View File

@ -5186,7 +5186,7 @@ run_updateslot_cb(void *arg)
run_read(sc, RT2860_BKOFF_SLOT_CFG, &tmp);
tmp &= ~0xff;
tmp |= (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
tmp |= IEEE80211_GET_SLOTTIME(ic);
run_write(sc, RT2860_BKOFF_SLOT_CFG, tmp);
}

2
sys/dev/usb/wlan/if_ural.c
View File

@ -1771,7 +1771,7 @@ ural_update_slot(struct ural_softc *sc)
struct ieee80211com *ic = &sc->sc_ic;
uint16_t slottime, sifs, eifs;
slottime = (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
slottime = IEEE80211_GET_SLOTTIME(ic);
/*
* These settings may sound a bit inconsistent but this is what the

8
sys/dev/usb/wlan/if_urtw.c
View File

@ -4291,18 +4291,18 @@ urtw_updateslottask(void *arg, int pending)
if (sc->sc_flags & URTW_RTL8187B) {
urtw_write8_m(sc, URTW_SIFS, 0x22);
if (IEEE80211_IS_CHAN_ANYG(ic->ic_curchan))
urtw_write8_m(sc, URTW_SLOT, 0x9);
urtw_write8_m(sc, URTW_SLOT, IEEE80211_DUR_SHSLOT);
else
urtw_write8_m(sc, URTW_SLOT, 0x14);
urtw_write8_m(sc, URTW_SLOT, IEEE80211_DUR_SLOT);
urtw_write8_m(sc, URTW_8187B_EIFS, 0x5b);
urtw_write8_m(sc, URTW_CARRIER_SCOUNT, 0x5b);
} else {
urtw_write8_m(sc, URTW_SIFS, 0x22);
if (sc->sc_state == IEEE80211_S_ASSOC &&
ic->ic_flags & IEEE80211_F_SHSLOT)
urtw_write8_m(sc, URTW_SLOT, 0x9);
urtw_write8_m(sc, URTW_SLOT, IEEE80211_DUR_SHSLOT);
else
urtw_write8_m(sc, URTW_SLOT, 0x14);
urtw_write8_m(sc, URTW_SLOT, IEEE80211_DUR_SLOT);
if (IEEE80211_IS_CHAN_ANYG(ic->ic_curchan)) {
urtw_write8_m(sc, URTW_DIFS, 0x14);
urtw_write8_m(sc, URTW_EIFS, 0x5b - 0x14);

3
sys/dev/usb/wlan/if_urtwn.c
View File

@ -3621,8 +3621,7 @@ urtwn_wme_update(struct ieee80211com *ic)
int ac;
acm = 0;
slottime = (ic->ic_flags & IEEE80211_F_SHSLOT) ?
IEEE80211_DUR_SHSLOT : IEEE80211_DUR_SLOT;
slottime = IEEE80211_GET_SLOTTIME(ic);
URTWN_LOCK(sc);
for (ac = WME_AC_BE; ac < WME_NUM_AC; ac++) {

4
sys/net80211/ieee80211_phy.h
View File

@ -53,6 +53,10 @@
#define IEEE80211_DUR_SHSLOT 9 /* ERP short slottime */
#define IEEE80211_DUR_OFDM_SLOT 9 /* OFDM slottime */
#define IEEE80211_GET_SLOTTIME(ic) \
((ic->ic_flags & IEEE80211_F_SHSLOT) ? \
IEEE80211_DUR_SHSLOT : IEEE80211_DUR_SLOT)
/*
* DIFS (microseconds).
*/