From: Felix Fietkau <nbd@nbd.name>
To: linux-wireless@vger.kernel.org
Subject: [PATCH 3/7] mt76: mt7915: add rx checksum offload support
Date: Sat, 13 Feb 2021 18:50:56 +0100 [thread overview]
Message-ID: <20210213175100.22608-3-nbd@nbd.name> (raw)
In-Reply-To: <20210213175100.22608-1-nbd@nbd.name>
Set skb->ip_summed to CHECKSUM_UNNECESSARY if the hardware has validated
the IP and TCP/UDP checksum
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
drivers/net/wireless/mediatek/mt76/mt7915/init.c | 1 +
drivers/net/wireless/mediatek/mt76/mt7915/mac.c | 5 +++++
2 files changed, 6 insertions(+)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/init.c b/drivers/net/wireless/mediatek/mt76/mt7915/init.c
index 76dfcb76fb03..34a4fee24c48 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/init.c
@@ -93,6 +93,7 @@ mt7915_init_wiphy(struct ieee80211_hw *hw)
hw->queues = 4;
hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
+ hw->netdev_features = NETIF_F_RXCSUM;
phy->slottime = 9;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
index 2f96f31e33c9..22d4f16cf830 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
@@ -317,10 +317,12 @@ int mt7915_mac_fill_rx(struct mt7915_dev *dev, struct sk_buff *skb)
__le32 *rxd = (__le32 *)skb->data;
__le32 *rxv = NULL;
u32 mode = 0;
+ u32 rxd0 = le32_to_cpu(rxd[0]);
u32 rxd1 = le32_to_cpu(rxd[1]);
u32 rxd2 = le32_to_cpu(rxd[2]);
u32 rxd3 = le32_to_cpu(rxd[3]);
u32 rxd4 = le32_to_cpu(rxd[4]);
+ u32 csum_mask = MT_RXD0_NORMAL_IP_SUM | MT_RXD0_NORMAL_UDP_TCP_SUM;
bool unicast, insert_ccmp_hdr = false;
u8 remove_pad, amsdu_info;
int i, idx;
@@ -366,6 +368,9 @@ int mt7915_mac_fill_rx(struct mt7915_dev *dev, struct sk_buff *skb)
if (!sband->channels)
return -EINVAL;
+ if ((rxd0 & csum_mask) == csum_mask)
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
+
if (rxd1 & MT_RXD1_NORMAL_FCS_ERR)
status->flag |= RX_FLAG_FAILED_FCS_CRC;
--
2.28.0
next prev parent reply other threads:[~2021-02-13 17:52 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-13 17:50 [PATCH 1/7] mt76: add support for 802.3 rx frames Felix Fietkau
2021-02-13 17:50 ` [PATCH 2/7] mt76: mt7915: enable hw rx-amsdu de-aggregation Felix Fietkau
2021-02-13 17:50 ` Felix Fietkau [this message]
2021-02-13 17:50 ` [PATCH 4/7] mt76: mt7915: add support for rx decapsulation offload Felix Fietkau
2021-02-13 17:50 ` [PATCH 5/7] mt76: mt7615: fix key set/delete issues Felix Fietkau
2021-02-13 17:50 ` [PATCH 6/7] mt76: mt7615: fix tx skb dma unmap Felix Fietkau
2021-02-13 17:51 ` [PATCH 7/7] mt76: mt7915: " Felix Fietkau
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