skb_to_sgvec9
Fill a scatter-gather list from a socket buffer
Usage
int skb_to_sgvec(struct sk_buff * skb, struct scatterlist * sg, int offset, int len);
Arguments
skb
Socket buffer containing the buffers to be mapped
sg
The scatter-gather list to map into
offset
The offset into the buffer's contents to start mapping
len
Length of buffer space to be mapped
Overview
Fill the specified scatter-gather list with mappings/pointers into a region of the buffer space attached to a socket buffer. Returns either the number of scatterlist items used, or -EMSGSIZE if the contents could not fit.