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p54: implement set_coverage_class

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The callback sets slot time as specified in IEEE 802.11-2007
section 17.3.8.6 and raises round trip delay accordingly.

Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Christian Lamparter
2011-02-24 14:12:20 +01:00
committed by John W. Linville
parent 41cae2d013
commit 3083e83c86
3 changed files with 21 additions and 1 deletions
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12
drivers/net/wireless/p54/main.c
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@@ -566,6 +566,17 @@ static void p54_flush(struct ieee80211_hw *dev, bool drop)
WARN(total, "tx flush timeout, unresponsive firmware");
}
static void p54_set_coverage_class(struct ieee80211_hw *dev, u8 coverage_class)
{
struct p54_common *priv = dev->priv;
mutex_lock(&priv->conf_mutex);
/* support all coverage class values as in 802.11-2007 Table 7-27 */
priv->coverage_class = clamp_t(u8, coverage_class, 0, 31);
p54_set_edcf(priv);
mutex_unlock(&priv->conf_mutex);
}
static const struct ieee80211_ops p54_ops = {
.tx = p54_tx_80211,
.start = p54_start,
@@ -584,6 +595,7 @@ static const struct ieee80211_ops p54_ops = {
.conf_tx = p54_conf_tx,
.get_stats = p54_get_stats,
.get_survey = p54_get_survey,
.set_coverage_class = p54_set_coverage_class,
};
struct ieee80211_hw *p54_init_common(size_t priv_data_len)