Author: avos
Date: Mon Mar 25 09:10:07 2019
New Revision: 345493
URL: https://svnweb.freebsd.org/changeset/base/345493
Log:
run(4): merge some common TSF-related code into run_disable_tsf()
No functional change intended.
MFC after: 5 days
Modified:
head/sys/dev/usb/wlan/if_run.c
Modified: head/sys/dev/usb/wlan/if_run.c
==============================================================================
--- head/sys/dev/usb/wlan/if_run.c Mon Mar 25 07:48:52 2019
(r345492)
+++ head/sys/dev/usb/wlan/if_run.c Mon Mar 25 09:10:07 2019
(r345493)
@@ -464,6 +464,7 @@ static void run_usb_timeout_cb(void *);
static void run_reset_livelock(struct run_softc *);
static void run_enable_tsf_sync(struct run_softc *);
static void run_enable_tsf(struct run_softc *);
+static void run_disable_tsf(struct run_softc *);
static void run_get_tsf(struct run_softc *, uint64_t *);
static void run_enable_mrr(struct run_softc *);
static void run_set_txpreamble(struct run_softc *);
@@ -2090,7 +2091,6 @@ run_newstate(struct ieee80211vap *vap, enum ieee80211_
struct run_vap *rvp = RUN_VAP(vap);
enum ieee80211_state ostate;
uint32_t sta[3];
- uint32_t tmp;
uint8_t ratectl;
uint8_t restart_ratectl = 0;
uint8_t bid = 1 << rvp->rvp_id;
@@ -2123,12 +2123,8 @@ run_newstate(struct ieee80211vap *vap, enum ieee80211_
sc->runbmap &= ~bid;
/* abort TSF synchronization if there is no vap running */
- if (--sc->running == 0) {
- run_read(sc, RT2860_BCN_TIME_CFG, &tmp);
- run_write(sc, RT2860_BCN_TIME_CFG,
- tmp & ~(RT2860_BCN_TX_EN | RT2860_TSF_TIMER_EN |
- RT2860_TBTT_TIMER_EN));
- }
+ if (--sc->running == 0)
+ run_disable_tsf(sc);
break;
case IEEE80211_S_RUN:
@@ -4863,15 +4859,11 @@ static void
run_scan_start(struct ieee80211com *ic)
{
struct run_softc *sc = ic->ic_softc;
- uint32_t tmp;
RUN_LOCK(sc);
/* abort TSF synchronization */
- run_read(sc, RT2860_BCN_TIME_CFG, &tmp);
- run_write(sc, RT2860_BCN_TIME_CFG,
- tmp & ~(RT2860_BCN_TX_EN | RT2860_TSF_TIMER_EN |
- RT2860_TBTT_TIMER_EN));
+ run_disable_tsf(sc);
run_set_bssid(sc, ieee80211broadcastaddr);
RUN_UNLOCK(sc);
@@ -5158,6 +5150,18 @@ run_enable_tsf(struct run_softc *sc)
}
static void
+run_disable_tsf(struct run_softc *sc)
+{
+ uint32_t tmp;
+
+ if (run_read(sc, RT2860_BCN_TIME_CFG, &tmp) == 0) {
+ tmp &= ~(RT2860_BCN_TX_EN | RT2860_TSF_TIMER_EN |
+ RT2860_TBTT_TIMER_EN);
+ run_write(sc, RT2860_BCN_TIME_CFG, tmp);
+ }
+}
+
+static void
run_get_tsf(struct run_softc *sc, uint64_t *buf)
{
run_read_region_1(sc, RT2860_TSF_TIMER_DW0, (uint8_t *)buf,
@@ -6108,10 +6112,7 @@ run_init_locked(struct run_softc *sc)
}
/* abort TSF synchronization */
- run_read(sc, RT2860_BCN_TIME_CFG, &tmp);
- tmp &= ~(RT2860_BCN_TX_EN | RT2860_TSF_TIMER_EN |
- RT2860_TBTT_TIMER_EN);
- run_write(sc, RT2860_BCN_TIME_CFG, tmp);
+ run_disable_tsf(sc);
/* clear RX WCID search table */
run_set_region_4(sc, RT2860_WCID_ENTRY(0), 0, 512);
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