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Limit minimum threshold of missed beacons.

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PR:		kern/197143
Submitted by:	 Andriy Voskoboinyk <s3erios@gmail.com>
This commit is contained in:
Adrian Chadd 2015-05-03 23:24:20 +00:00
parent b4324a50bd
commit 5c0159195d
1 changed files with 4 additions and 4 deletions
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8
sys/dev/wpi/if_wpi.c
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@ -2115,7 +2115,7 @@ wpi_notif_intr(struct wpi_softc *sc)
{
struct wpi_beacon_missed *miss =
(struct wpi_beacon_missed *)(desc + 1);
uint32_t expected, misses, received;
uint32_t expected, misses, received, threshold;
bus_dmamap_sync(sc->rxq.data_dmat, data->map,
BUS_DMASYNC_POSTREAD);
@ -2123,6 +2123,7 @@ wpi_notif_intr(struct wpi_softc *sc)
misses = le32toh(miss->consecutive);
expected = le32toh(miss->expected);
received = le32toh(miss->received);
threshold = MAX(2, vap->iv_bmissthreshold);
DPRINTF(sc, WPI_DEBUG_BMISS,
"%s: beacons missed %d/%d\n", __func__, misses,
@ -2130,9 +2131,8 @@ wpi_notif_intr(struct wpi_softc *sc)
if (vap->iv_state == IEEE80211_S_RUN &&
(ic->ic_flags & IEEE80211_F_SCAN) == 0 &&
(misses >= vap->iv_bmissthreshold ||
(received == 0 &&
expected >= vap->iv_bmissthreshold)))
(misses >= threshold ||
(received == 0 && expected >= threshold)))
ieee80211_beacon_miss(ic);
break;