[PATCH net] net: qualcomm: fix QCA7000 checksum handling

Based on tests the QCA7000 doesn't support checksum offloading. So assume
ip_summed is CHECKSUM_NONE and let the kernel take care of the checksum
handling. This fixes data transfer issues in noisy environments.

Reported-by: Michael Heimpold <redacted>
Fixes: 291ab06ecf67 ("net: qualcomm: new Ethernet over SPI driver for QCA7000")
Signed-off-by: Stefan Wahren <redacted>
---
 drivers/net/ethernet/qualcomm/qca_spi.c  | 2 +-
 drivers/net/ethernet/qualcomm/qca_uart.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/qualcomm/qca_spi.c b/drivers/net/ethernet/qualcomm/qca_spi.c
index b64c254e00ba..8427fe1b8fd1 100644
--- a/drivers/net/ethernet/qualcomm/qca_spi.c
+++ b/drivers/net/ethernet/qualcomm/qca_spi.c

@@ -434,7 +434,7 @@ qcaspi_receive(struct qcaspi *qca)
 				skb_put(qca->rx_skb, retcode);
 				qca->rx_skb->protocol = eth_type_trans(
 					qca->rx_skb, qca->rx_skb->dev);
-				qca->rx_skb->ip_summed = CHECKSUM_UNNECESSARY;
+				skb_checksum_none_assert(qca->rx_skb);
 				netif_rx_ni(qca->rx_skb);
 				qca->rx_skb = netdev_alloc_skb_ip_align(net_dev,
 					net_dev->mtu + VLAN_ETH_HLEN);

diff --git a/drivers/net/ethernet/qualcomm/qca_uart.c b/drivers/net/ethernet/qualcomm/qca_uart.c
index bcdeca7b3366..ce3f7ce31adc 100644
--- a/drivers/net/ethernet/qualcomm/qca_uart.c
+++ b/drivers/net/ethernet/qualcomm/qca_uart.c

@@ -107,7 +107,7 @@ qca_tty_receive(struct serdev_device *serdev, const unsigned char *data,
 			skb_put(qca->rx_skb, retcode);
 			qca->rx_skb->protocol = eth_type_trans(
 						qca->rx_skb, qca->rx_skb->dev);
-			qca->rx_skb->ip_summed = CHECKSUM_UNNECESSARY;
+			skb_checksum_none_assert(qca->rx_skb);
 			netif_rx_ni(qca->rx_skb);
 			qca->rx_skb = netdev_alloc_skb_ip_align(netdev,
 								netdev->mtu +

-- 
2.17.1

Hello:

This patch was applied to netdev/net-next.git (refs/heads/master):

On Sat, 28 Aug 2021 16:23:15 +0200 you wrote:

Based on tests the QCA7000 doesn't support checksum offloading. So assume
ip_summed is CHECKSUM_NONE and let the kernel take care of the checksum
handling. This fixes data transfer issues in noisy environments.

Reported-by: Michael Heimpold <redacted>
Fixes: 291ab06ecf67 ("net: qualcomm: new Ethernet over SPI driver for QCA7000")
Signed-off-by: Stefan Wahren <redacted>

[...]

Here is the summary with links:
  - [net] net: qualcomm: fix QCA7000 checksum handling
    https://git.kernel.org/netdev/net-next/c/429205da6c83

You are awesome, thank you!
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