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rtlwifi: btcoex: extend get_wifi_bw to support bandwidth 80M 

The rtlwifi newer ICs support 80M bandwidth in 5G band, so extend
get_wifi_bw() to know bandwidth 80M that helps btcoex to make correct
decisions.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Ping-Ke Shih 2018-01-19 14:45:42 +08:00 committed by Kalle Valo
parent ba9797b2a7
commit 66d0f9deba
2 changed files with 16 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c
View File

@ -95,21 +95,6 @@ static bool is_any_client_connect_to_ap(struct btc_coexist *btcoexist)
return false;
}
static bool halbtc_is_bt40(struct rtl_priv *adapter)
{
struct rtl_priv *rtlpriv = adapter;
struct rtl_phy *rtlphy = &(rtlpriv->phy);
bool is_ht40 = true;
enum ht_channel_width bw = rtlphy->current_chan_bw;
if (bw == HT_CHANNEL_WIDTH_20)
is_ht40 = false;
else if (bw == HT_CHANNEL_WIDTH_20_40)
is_ht40 = true;
return is_ht40;
}
static bool halbtc_legacy(struct rtl_priv *adapter)
{
struct rtl_priv *rtlpriv = adapter;
@ -135,18 +120,26 @@ bool halbtc_is_wifi_uplink(struct rtl_priv *adapter)
static u32 halbtc_get_wifi_bw(struct btc_coexist *btcoexist)
{
struct rtl_priv *rtlpriv =
(struct rtl_priv *)btcoexist->adapter;
struct rtl_priv *rtlpriv = btcoexist->adapter;
struct rtl_phy *rtlphy = &rtlpriv->phy;
u32 wifi_bw = BTC_WIFI_BW_HT20;
if (halbtc_is_bt40(rtlpriv)) {
wifi_bw = BTC_WIFI_BW_HT40;
} else {
if (halbtc_legacy(rtlpriv))
if (halbtc_legacy(rtlpriv)) {
wifi_bw = BTC_WIFI_BW_LEGACY;
else
} else {
switch (rtlphy->current_chan_bw) {
case HT_CHANNEL_WIDTH_20:
wifi_bw = BTC_WIFI_BW_HT20;
break;
case HT_CHANNEL_WIDTH_20_40:
wifi_bw = BTC_WIFI_BW_HT40;
break;
case HT_CHANNEL_WIDTH_80:
wifi_bw = BTC_WIFI_BW_HT80;
break;
}
}
return wifi_bw;
}

1
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.h
View File

@ -190,6 +190,7 @@ enum btc_wifi_bw_mode {
BTC_WIFI_BW_LEGACY = 0x0,
BTC_WIFI_BW_HT20 = 0x1,
BTC_WIFI_BW_HT40 = 0x2,
BTC_WIFI_BW_HT80 = 0x3,
BTC_WIFI_BW_MAX
};