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authorPing-Ke Shih <pkshih@realtek.com>2017-09-29 14:47:55 -0500
committerKalle Valo <kvalo@codeaurora.org>2017-10-13 12:43:39 +0300
commitc1816f1709e82e773c501c416a47dd84a8f5baf7 (patch)
tree418ac80e420f71d0747e0f56d612872eda4fbfd9 /drivers/net/wireless/realtek/rtlwifi/base.c
parentcdc9c7a032aae4dcdac47cf47d095207ce27bb87 (diff)
rtlwifi: Add rtl_get_hal_edca_param() to generate register's format of EDCA.
Convert from the value of ieee80211_tx_queue_params to Realtek's register value. Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Cc: Yan-Hsuan Chuang <yhchuang@realtek.com> Cc: Birming Chiu <birming@realtek.com> Cc: Shaofu <shaofu@realtek.com> Cc: Steven Ting <steventing@realtek.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/realtek/rtlwifi/base.c')
-rw-r--r--drivers/net/wireless/realtek/rtlwifi/base.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtlwifi/base.c b/drivers/net/wireless/realtek/rtlwifi/base.c
index e37d4c765f87..081b9507e02e 100644
--- a/drivers/net/wireless/realtek/rtlwifi/base.c
+++ b/drivers/net/wireless/realtek/rtlwifi/base.c
@@ -1557,6 +1557,42 @@ void rtl_wait_tx_report_acked(struct ieee80211_hw *hw, u32 wait_ms)
"Wait 1ms (%d/%d) to disable key.\n", i, wait_ms);
}
}
+
+u32 rtl_get_hal_edca_param(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ enum wireless_mode wirelessmode,
+ struct ieee80211_tx_queue_params *param)
+{
+ u32 reg = 0;
+ u8 sifstime = 10;
+ u8 slottime = 20;
+
+ /* AIFS = AIFSN * slot time + SIFS */
+ switch (wirelessmode) {
+ case WIRELESS_MODE_A:
+ case WIRELESS_MODE_N_24G:
+ case WIRELESS_MODE_N_5G:
+ case WIRELESS_MODE_AC_5G:
+ case WIRELESS_MODE_AC_24G:
+ sifstime = 16;
+ slottime = 9;
+ break;
+ case WIRELESS_MODE_G:
+ slottime = (vif->bss_conf.use_short_slot ? 9 : 20);
+ break;
+ default:
+ break;
+ }
+
+ reg |= (param->txop & 0x7FF) << 16;
+ reg |= (fls(param->cw_max) & 0xF) << 12;
+ reg |= (fls(param->cw_min) & 0xF) << 8;
+ reg |= (param->aifs & 0x0F) * slottime + sifstime;
+
+ return reg;
+}
+EXPORT_SYMBOL_GPL(rtl_get_hal_edca_param);
+
/*********************************************************
*
* functions called by core.c