networking - Pushing SKB to the network stack -

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i have net_device has ndo_start_xmit function implemented.

when ndo_start_xmit function called have skb contains ip packet. i'll need overt packet ip+udp headers , send routing system.

the problem when call dst_input(skb) or dst_output(skb) i'll catch null pointer dereference error. seems can't use functions push encapsulated packet network stack.

can helps me solution?

if want push skb kernel stack use netif_rx(skb) function.


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