From: Ho Jie Feng <hjf3108@gmail.com>
To: Ping-Ke Shih <pkshih@realtek.com>
Cc: linux-wireless@vger.kernel.org, Ho Jie Feng <hjf3108@gmail.com>,
linux-kernel@vger.kernel.org
Subject: [PATCH 6/6] wifi: rtw88: 8812a, 8821a: respect peer A-MPDU size limits
Date: Thu, 29 Oct 2026 13:52:08 +0800 [thread overview]
Message-ID: <20261029055212.84711-7-hjf3108@gmail.com> (raw)
In-Reply-To: <20261029055212.84711-1-hjf3108@gmail.com>
Honor the peer-advertised receive limit for transmitted A-MPDUs.
Signed-off-by: Ho Jie Feng <hjf3108@gmail.com>
---
drivers/net/wireless/realtek/rtw88/rtw8812a.c | 9 ++++++++-
drivers/net/wireless/realtek/rtw88/rtw8821a.c | 9 ++++++++-
2 files changed, 16 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8812a.c b/drivers/net/wireless/realtek/rtw88/rtw8812a.c
index d93c4776e0303..a3b5fae5608e0 100644
--- a/drivers/net/wireless/realtek/rtw88/rtw8812a.c
+++ b/drivers/net/wireless/realtek/rtw88/rtw8812a.c
@@ -78,6 +78,13 @@ static void rtw8812a_cfg_ldo25(struct rtw_dev *rtwdev, bool enable)
{
}
+static void rtw8812a_set_ampdu_factor(struct rtw_dev *rtwdev, u8 factor)
+{
+ factor = min_t(u8, factor, IEEE80211_VHT_MAX_AMPDU_128K);
+
+ rtw_write32(rtwdev, REG_AMPDU_MAX_LENGTH, (8192 << factor) - 1);
+}
+
static void rtw8812a_do_lck(struct rtw_dev *rtwdev)
{
u32 cont_tx, lc_cal, i;
@@ -926,7 +933,7 @@ static const struct rtw_chip_ops rtw8812a_ops = {
.set_tx_power_index = rtw88xxa_set_tx_power_index,
.cfg_ldo25 = rtw8812a_cfg_ldo25,
.efuse_grant = rtw88xxa_efuse_grant,
- .set_ampdu_factor = NULL,
+ .set_ampdu_factor = rtw8812a_set_ampdu_factor,
.false_alarm_statistics = rtw88xxa_false_alarm_statistics,
.phy_calibration = rtw8812a_phy_calibration,
.cck_pd_set = rtw_phy_cck_pd_set,
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821a.c b/drivers/net/wireless/realtek/rtw88/rtw8821a.c
index f7391f6aa3039..f597edec290f6 100644
--- a/drivers/net/wireless/realtek/rtw88/rtw8821a.c
+++ b/drivers/net/wireless/realtek/rtw88/rtw8821a.c
@@ -49,6 +49,13 @@ static void rtw8821a_cfg_ldo25(struct rtw_dev *rtwdev, bool enable)
{
}
+static void rtw8821a_set_ampdu_factor(struct rtw_dev *rtwdev, u8 factor)
+{
+ factor = min_t(u8, factor, IEEE80211_HT_MAX_AMPDU_64K);
+
+ rtw_write32(rtwdev, REG_AMPDU_MAX_LENGTH, (8192 << factor) - 1);
+}
+
#define CAL_NUM_8821A 3
#define MACBB_REG_NUM_8821A 8
#define AFE_REG_NUM_8821A 4
@@ -872,7 +879,7 @@ static const struct rtw_chip_ops rtw8821a_ops = {
.set_tx_power_index = rtw88xxa_set_tx_power_index,
.cfg_ldo25 = rtw8821a_cfg_ldo25,
.efuse_grant = rtw88xxa_efuse_grant,
- .set_ampdu_factor = NULL,
+ .set_ampdu_factor = rtw8821a_set_ampdu_factor,
.false_alarm_statistics = rtw88xxa_false_alarm_statistics,
.phy_calibration = rtw8821a_phy_calibration,
.cck_pd_set = rtw_phy_cck_pd_set,
--
2.55.0
prev parent reply other threads:[~2026-10-29 5:52 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20261029055212.84711-1-hjf3108@gmail.com>
2026-10-29 5:52 ` [PATCH 1/6] wifi: rtw88: 8812a, 8814a: enable STBC for HT transmissions Ho Jie Feng
2026-10-29 5:52 ` [PATCH 2/6] wifi: rtw88: 88xxa: receive VHT SU beamformed transmissions Ho Jie Feng
2026-10-29 5:52 ` [PATCH 3/6] wifi: rtw88: prepare frequency-offset correction for more chips Ho Jie Feng
2026-10-29 5:52 ` [PATCH 4/6] wifi: rtw88: 88xxa: correct carrier-frequency offset Ho Jie Feng
2026-10-29 5:52 ` [PATCH 5/6] wifi: rtw88: 88xxa: adapt channel sensing to receiver gain Ho Jie Feng
2026-10-29 5:52 ` Ho Jie Feng [this message]
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