Messages in this thread | | | Subject | Re: Kernel 2.2.18: Protocol 0008 is buggy | Date | Wed, 31 Jan 2001 13:37:04 +0000 (GMT) | From | Alan Cox <> |
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> The msg comes from net/core/dev.c, and this device is using the Cisco HDLC > protocol in drivers/net/hdlc.c . However, AFAIK, 0008 and 0608 represent > IP and ARP (respectively), not Cisco HDLC. So ... > > What I'd like to know is: what exactly causes this msg?? It seems that > it's printed when someone sends a packet without properly setting > skb->nh.raw first, but who's supposed to set skb->nh.raw?? The HW driver?? > The data link (HDLC) driver?? The kernel protocol drivers? How should I go > about fixing this problem, where should I start??
It should be set before netif_rx() is called on the packet. Typically that means the driver or its support code sets protocol and nh.raw and if a second header is pulled up then they are set again by whichever code does that and calls netif_rx again
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