what is use of dev_queue_xmit_nit?

From: linux lover
Date: Thu Dec 23 2004 - 11:51:33 EST

Hello all,
I want to know what is use of dev_queue_xmit_nit function in
dev.c file? Also why it calls following statement
ptype->func(skb2, skb->dev, ptype);
Also why skb2 is created by cloning skb? Acually i trace TCP packets
and found that control goes from neigh_resolve_output to directly
dev_queue_xmit_nit and then to HW driver 8139too.c? I want to know why
it not goes from dev_queue_xmit? I place printk statments and found
after dev_queue_xmit_nit control moves to network interface driver?
Help to understand the control packet path.
Thanks in advance.
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