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staging: vt6656: implement TSF counter

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The TSF counter is presently unused on driver in infrastructure mode.

It is needed to implement power saving functions and wireless stats that
are passed in interrupt handling.

Ensuring counter is synced with access point beacon.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Malcolm Priestley 2015-09-27 09:17:40 +01:00 committed by Greg Kroah-Hartman
parent 113d6dc18e
commit c15158797d
1 changed files with 20 additions and 0 deletions
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20
drivers/staging/vt6656/main_usb.c
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@ -757,6 +757,26 @@ static void vnt_bss_info_changed(struct ieee80211_hw *hw,
vnt_mac_reg_bits_off(priv, MAC_REG_TCR, TCR_AUTOBCNTX);
}
}
if (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_BEACON_INFO) &&
priv->op_mode != NL80211_IFTYPE_AP) {
if (conf->assoc && conf->beacon_rate) {
vnt_mac_reg_bits_on(priv, MAC_REG_TFTCTL,
TFTCTL_TSFCNTREN);
vnt_adjust_tsf(priv, conf->beacon_rate->hw_value,
conf->sync_tsf, priv->current_tsf);
vnt_mac_set_beacon_interval(priv, conf->beacon_int);
vnt_reset_next_tbtt(priv, conf->beacon_int);
} else {
vnt_clear_current_tsf(priv);
vnt_mac_reg_bits_off(priv, MAC_REG_TFTCTL,
TFTCTL_TSFCNTREN);
}
}
}
static u64 vnt_prepare_multicast(struct ieee80211_hw *hw,