On 01/11/2018 01:09 AM, pks...@realtek.com wrote:
From: Ping-Ke Shih <pks...@realtek.com>

To enable the mac80211 fast-tx feature, the hw/driver needs to support
dynamic power saving and fragmentation. Since our driver does not
need to fragment packet into smaller pieces, we just hook an empty
callback of set_frag_threshold to avoid fragmentation in mac80211.

After this, the mac80211 will not fragment the packets and can transmit
them faster by cache the header information.

Signed-off-by: Yan-Hsuan Chuang <yhchu...@realtek.com>
Signed-off-by: Ping-Ke Shih <pks...@realtek.com>
---
  drivers/net/wireless/realtek/rtlwifi/base.c | 2 ++
  drivers/net/wireless/realtek/rtlwifi/core.c | 6 ++++++
  2 files changed, 8 insertions(+)

Acked-by: Larry Finger <larry.fin...@lwfinger.net>


diff --git a/drivers/net/wireless/realtek/rtlwifi/base.c 
b/drivers/net/wireless/realtek/rtlwifi/base.c
index 89ec318598ea..e902cd7adbfe 100644
--- a/drivers/net/wireless/realtek/rtlwifi/base.c
+++ b/drivers/net/wireless/realtek/rtlwifi/base.c
@@ -395,6 +395,8 @@ static void _rtl_init_mac80211(struct ieee80211_hw *hw)
        ieee80211_hw_set(hw, CONNECTION_MONITOR);
        ieee80211_hw_set(hw, MFP_CAPABLE);
        ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS);
+       ieee80211_hw_set(hw, SUPPORTS_TX_FRAG);
+       ieee80211_hw_set(hw, SUPPORT_FAST_XMIT);
/* swlps or hwlps has been set in diff chip in init_sw_vars */
        if (rtlpriv->psc.swctrl_lps) {
diff --git a/drivers/net/wireless/realtek/rtlwifi/core.c 
b/drivers/net/wireless/realtek/rtlwifi/core.c
index 6c698123ac07..d454c38fc9cd 100644
--- a/drivers/net/wireless/realtek/rtlwifi/core.c
+++ b/drivers/net/wireless/realtek/rtlwifi/core.c
@@ -1001,6 +1001,11 @@ static void rtl_op_sta_statistics(struct ieee80211_hw 
*hw,
        sinfo->filled = 0;
  }
+static int rtl_op_set_frag_threshold(struct ieee80211_hw *hw, u32 value)
+{
+       return -EOPNOTSUPP;
+}
+
  /*
   *for mac80211 VO = 0, VI = 1, BE = 2, BK = 3
   *for rtl819x  BE = 0, BK = 1, VI = 2, VO = 3
@@ -1906,6 +1911,7 @@ const struct ieee80211_ops rtl_ops = {
        .configure_filter = rtl_op_configure_filter,
        .set_key = rtl_op_set_key,
        .sta_statistics = rtl_op_sta_statistics,
+       .set_frag_threshold = rtl_op_set_frag_threshold,
        .conf_tx = rtl_op_conf_tx,
        .bss_info_changed = rtl_op_bss_info_changed,
        .get_tsf = rtl_op_get_tsf,


Reply via email to