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net: wangxun: don't advertise IFF_SUPP_NOFCS

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Like commit a24162f18825("i40e: don't advertise IFF_SUPP_NOFCS"),
ngbe and txgbe also advertises IFF_SUPP_NOFCS and allowing users
to use the SO_NOFCS socket option. But the driver does not check
skb->no_fcs, so this option is silently ignored.

With this change, send() fails with -EPROTONOSUPPORT when AF_PACKET
socket is set SO_NOFCS option.

Signed-off-by: Rongguang Wei <weirongguang@kylinos.cn>
Link: https://patch.msgid.link/20260617092854.133992-1-clementwei90@163.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Rongguang Wei 2026-06-17 17:28:54 +08:00 committed by Jakub Kicinski
parent 4045f1c3d6
commit 0ec4b78598
2 changed files with 0 additions and 2 deletions
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1
drivers/net/ethernet/wangxun/ngbe/ngbe_main.c
View File

@ -715,7 +715,6 @@ static int ngbe_probe(struct pci_dev *pdev,
netdev->features |= NETIF_F_GRO;
netdev->priv_flags |= IFF_UNICAST_FLT;
netdev->priv_flags |= IFF_SUPP_NOFCS;
netdev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
netdev->min_mtu = ETH_MIN_MTU;

1
drivers/net/ethernet/wangxun/txgbe/txgbe_main.c
View File

@ -796,7 +796,6 @@ static int txgbe_probe(struct pci_dev *pdev,
netdev->features |= NETIF_F_RX_UDP_TUNNEL_PORT;
netdev->priv_flags |= IFF_UNICAST_FLT;
netdev->priv_flags |= IFF_SUPP_NOFCS;
netdev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
netdev->min_mtu = ETH_MIN_MTU;