Hi!
First of all I'm a complete beginner in the kernel.
I have a few questions:
1. What are data_len and len in sk_buff, how are they used?
I realized that len is changing constantly as the packet
travels between the layers.
2. What is the difference between frag_list and frags[]?
What is each?
struct skb_shared_info {
atomic_t dataref;
unsigned int nr_frags;
unsigned short tso_size;
unsigned short tso_segs;
struct sk_buff *frag_list;
skb_frag_t frags[MAX_SKB_FRAGS];
};
Thanks!
Gabor Fekete
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