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From: Ryder Lee <ryder.lee@mediatek.com>
To: Felix Fietkau <nbd@nbd.name>,
	Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Cc: Shayne Chen <shayne.chen@mediatek.com>,
	<linux-wireless@vger.kernel.org>,
	<linux-mediatek@lists.infradead.org>,
	Ryder Lee <ryder.lee@mediatek.com>
Subject: [PATCH 2/3] mt76: mt7615: add rx checksum offload support
Date: Thu, 18 Feb 2021 09:34:39 +0800	[thread overview]
Message-ID: <5986dbd65f23d49aaf7656e0a4b4750985188f36.1613603857.git.ryder.lee@mediatek.com> (raw)
In-Reply-To: <b7883f5ee09d13f7cbdf5ab1d5fef61ebc79dcc4.1613603857.git.ryder.lee@mediatek.com>

Set skb->ip_summed to CHECKSUM_UNNECESSARY if the hardware has validated
the IP and TCP/UDP checksum

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
---
 drivers/net/wireless/mediatek/mt76/mt7615/init.c | 1 +
 drivers/net/wireless/mediatek/mt76/mt7615/mac.c  | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/init.c b/drivers/net/wireless/mediatek/mt76/mt7615/init.c
index a97cc723094c..fd38737a27bd 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/init.c
@@ -329,6 +329,7 @@ mt7615_init_wiphy(struct ieee80211_hw *hw)
 	hw->max_rates = 3;
 	hw->max_report_rates = 7;
 	hw->max_rate_tries = 11;
+	hw->netdev_features = NETIF_F_RXCSUM;
 
 	phy->slottime = 9;
 
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
index 928edd158f64..340beff0e121 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
@@ -234,6 +234,7 @@ static int mt7615_mac_fill_rx(struct mt7615_dev *dev, struct sk_buff *skb)
 	u32 rxd0 = le32_to_cpu(rxd[0]);
 	u32 rxd1 = le32_to_cpu(rxd[1]);
 	u32 rxd2 = le32_to_cpu(rxd[2]);
+	u32 csum_mask = MT_RXD0_NORMAL_IP_SUM | MT_RXD0_NORMAL_UDP_TCP_SUM;
 	__le32 rxd12 = rxd[12];
 	bool unicast, remove_pad, insert_ccmp_hdr = false;
 	int phy_idx;
@@ -271,6 +272,9 @@ static int mt7615_mac_fill_rx(struct mt7615_dev *dev, struct sk_buff *skb)
 		spin_unlock_bh(&dev->sta_poll_lock);
 	}
 
+	if ((rxd0 & csum_mask) == csum_mask)
+		skb->ip_summed = CHECKSUM_UNNECESSARY;
+
 	if (rxd2 & MT_RXD2_NORMAL_FCS_ERR)
 		status->flag |= RX_FLAG_FAILED_FCS_CRC;
 
-- 
2.18.0


WARNING: multiple messages have this Message-ID (diff)
From: Ryder Lee <ryder.lee@mediatek.com>
To: Felix Fietkau <nbd@nbd.name>,
	Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Cc: linux-mediatek@lists.infradead.org,
	Ryder Lee <ryder.lee@mediatek.com>,
	linux-wireless@vger.kernel.org,
	Shayne Chen <shayne.chen@mediatek.com>
Subject: [PATCH 2/3] mt76: mt7615: add rx checksum offload support
Date: Thu, 18 Feb 2021 09:34:39 +0800	[thread overview]
Message-ID: <5986dbd65f23d49aaf7656e0a4b4750985188f36.1613603857.git.ryder.lee@mediatek.com> (raw)
In-Reply-To: <b7883f5ee09d13f7cbdf5ab1d5fef61ebc79dcc4.1613603857.git.ryder.lee@mediatek.com>

Set skb->ip_summed to CHECKSUM_UNNECESSARY if the hardware has validated
the IP and TCP/UDP checksum

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
---
 drivers/net/wireless/mediatek/mt76/mt7615/init.c | 1 +
 drivers/net/wireless/mediatek/mt76/mt7615/mac.c  | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/init.c b/drivers/net/wireless/mediatek/mt76/mt7615/init.c
index a97cc723094c..fd38737a27bd 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/init.c
@@ -329,6 +329,7 @@ mt7615_init_wiphy(struct ieee80211_hw *hw)
 	hw->max_rates = 3;
 	hw->max_report_rates = 7;
 	hw->max_rate_tries = 11;
+	hw->netdev_features = NETIF_F_RXCSUM;
 
 	phy->slottime = 9;
 
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
index 928edd158f64..340beff0e121 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
@@ -234,6 +234,7 @@ static int mt7615_mac_fill_rx(struct mt7615_dev *dev, struct sk_buff *skb)
 	u32 rxd0 = le32_to_cpu(rxd[0]);
 	u32 rxd1 = le32_to_cpu(rxd[1]);
 	u32 rxd2 = le32_to_cpu(rxd[2]);
+	u32 csum_mask = MT_RXD0_NORMAL_IP_SUM | MT_RXD0_NORMAL_UDP_TCP_SUM;
 	__le32 rxd12 = rxd[12];
 	bool unicast, remove_pad, insert_ccmp_hdr = false;
 	int phy_idx;
@@ -271,6 +272,9 @@ static int mt7615_mac_fill_rx(struct mt7615_dev *dev, struct sk_buff *skb)
 		spin_unlock_bh(&dev->sta_poll_lock);
 	}
 
+	if ((rxd0 & csum_mask) == csum_mask)
+		skb->ip_summed = CHECKSUM_UNNECESSARY;
+
 	if (rxd2 & MT_RXD2_NORMAL_FCS_ERR)
 		status->flag |= RX_FLAG_FAILED_FCS_CRC;
 
-- 
2.18.0
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  reply	other threads:[~2021-02-18  1:35 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-18  1:34 [PATCH 1/3] mt76: mt7615: enable hw rx-amsdu de-aggregation Ryder Lee
2021-02-18  1:34 ` Ryder Lee
2021-02-18  1:34 ` Ryder Lee [this message]
2021-02-18  1:34   ` [PATCH 2/3] mt76: mt7615: add rx checksum offload support Ryder Lee
2021-02-18  1:34 ` [PATCH 3/3] mt76: mt7615: add support for rx decapsulation offload Ryder Lee
2021-02-18  1:34   ` Ryder Lee
2021-02-18 12:13 ` [PATCH 1/3] mt76: mt7615: enable hw rx-amsdu de-aggregation Lorenzo Bianconi
2021-02-18 12:13   ` Lorenzo Bianconi

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