I'm a newcomer of this list. I want to understand the tcp/ip stack's
implementaion, and hope that I can get your help.
I find that that sk_buff can be fragmented, and it's called nonlinear.
What's the meaning of nonlinear? And what are the meaning of sk_buff's
fields: skb->data_len and skb_shinfo(skb)? I have no idea about them.
May you explain them? Thank you.
Jianyong Zhang
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