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wl18xx: enable MIMO rates when connected as a MIMO STA 

Use this opportunity to consolidate the check for MIMO support into a
separate function.

Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
This commit is contained in:
Arik Nemtsov 2012-07-12 12:29:46 +03:00 committed by Luciano Coelho
parent bf722d1def
commit cc31a3c9ae
1 changed files with 12 additions and 4 deletions
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16
drivers/net/wireless/ti/wl18xx/main.c
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@ -1013,6 +1013,13 @@ static void wl18xx_set_rx_csum(struct wl1271 *wl,
skb->ip_summed = CHECKSUM_UNNECESSARY;
}
static bool wl18xx_is_mimo_supported(struct wl1271 *wl)
{
struct wl18xx_priv *priv = wl->priv;
return priv->conf.phy.number_of_assembled_ant2_4 >= 2;
}
/*
* TODO: instead of having these two functions to get the rate mask,
* we should modify the wlvif->rate_set instead
@ -1029,6 +1036,9 @@ static u32 wl18xx_sta_get_ap_rate_mask(struct wl1271 *wl,
/* we don't support MIMO in wide-channel mode */
hw_rate_set &= ~CONF_TX_MIMO_RATES;
} else if (wl18xx_is_mimo_supported(wl)) {
wl1271_debug(DEBUG_ACX, "using MIMO channel rate mask");
hw_rate_set |= CONF_TX_MIMO_RATES;
}
return hw_rate_set;
@ -1037,8 +1047,6 @@ static u32 wl18xx_sta_get_ap_rate_mask(struct wl1271 *wl,
static u32 wl18xx_ap_get_mimo_wide_rate_mask(struct wl1271 *wl,
struct wl12xx_vif *wlvif)
{
struct wl18xx_priv *priv = wl->priv;
if (wlvif->channel_type == NL80211_CHAN_HT40MINUS ||
wlvif->channel_type == NL80211_CHAN_HT40PLUS) {
wl1271_debug(DEBUG_ACX, "using wide channel rate mask");
@ -1048,7 +1056,7 @@ static u32 wl18xx_ap_get_mimo_wide_rate_mask(struct wl1271 *wl,
return 0;
return CONF_TX_RATE_USE_WIDE_CHAN;
} else if (priv->conf.phy.number_of_assembled_ant2_4 >= 2 &&
} else if (wl18xx_is_mimo_supported(wl) &&
wlvif->band == IEEE80211_BAND_2GHZ) {
wl1271_debug(DEBUG_ACX, "using MIMO rate mask");
/*
@ -1478,7 +1486,7 @@ static int __devinit wl18xx_probe(struct platform_device *pdev)
* Only support mimo with multiple antennas. Fall back to
* siso20.
*/
if (priv->conf.phy.number_of_assembled_ant2_4 >= 2)
if (wl18xx_is_mimo_supported(wl))
wlcore_set_ht_cap(wl, IEEE80211_BAND_2GHZ,
&wl18xx_mimo_ht_cap_2ghz);
else