[PATCH 06/11] rtlwifi: Add rtl_get_hal_edca_param() to generate register's format of EDCA.
From: Larry Finger <hidden>
Date: 2017-07-03 18:40:51
Subsystem:
realtek wireless driver (rtlwifi family), the rest · Maintainers:
Ping-Ke Shih, Linus Torvalds
From: Ping-Ke Shih <pkshih@realtek.com> 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 <redacted> Cc: Yan-Hsuan Chuang <redacted> Cc: Birming Chiu <redacted> Cc: Shaofu <redacted> Cc: Steven Ting <redacted> --- drivers/net/wireless/realtek/rtlwifi/base.c | 36 +++++++++++++++++++++++++++++ drivers/net/wireless/realtek/rtlwifi/base.h | 4 ++++ 2 files changed, 40 insertions(+)
diff --git a/drivers/net/wireless/realtek/rtlwifi/base.c b/drivers/net/wireless/realtek/rtlwifi/base.c
index 38c8e94d2d6b..5e9e25a4ba3d 100644
--- a/drivers/net/wireless/realtek/rtlwifi/base.c
+++ b/drivers/net/wireless/realtek/rtlwifi/base.c@@ -1558,6 +1558,42 @@ 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
diff --git a/drivers/net/wireless/realtek/rtlwifi/base.h b/drivers/net/wireless/realtek/rtlwifi/base.h
index ab7d81904d25..4371dd4f75cb 100644
--- a/drivers/net/wireless/realtek/rtlwifi/base.h
+++ b/drivers/net/wireless/realtek/rtlwifi/base.h@@ -135,6 +135,10 @@ void rtl_tx_report_handler(struct ieee80211_hw *hw, u8 *tmp_buf, u8 c2h_cmd_len); bool rtl_check_tx_report_acked(struct ieee80211_hw *hw); void rtl_wait_tx_report_acked(struct ieee80211_hw *hw, u32 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); void rtl_beacon_statistic(struct ieee80211_hw *hw, struct sk_buff *skb); void rtl_collect_scan_list(struct ieee80211_hw *hw, struct sk_buff *skb);
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2.12.3