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1e4033b53d
Recent discussions show that skb_reset_mac_len() should be more careful. We expect the MAC header being set. If not, clear skb->mac_len and fire a warning for CONFIG_DEBUG_NET=y builds. If after investigations we find that not having a MAC header was okay, we can remove the warning. Signed-off-by: Eric Dumazet <edumazet@google.com> Link: https://lore.kernel.org/netdev/CANn89iJZGH+yEfJxfPWa3Hm7jxb-aeY2Up4HufmLMnVuQXt38A@mail.gmail.com/T/ Cc: En-Wei Wu <en-wei.wu@canonical.com> Reviewed-by: Joe Damato <jdamato@fastly.com> Reviewed-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com> Link: https://patch.msgid.link/20241105174403.850330-2-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>