skb_append_datato_frags (9)

int skb_append_datato_frags(struct sock * sk, struct sk_buff * skb, int (*getfrag) (void *from, char *to, int offset, int len, int odd, struct sk_buff *skb), void * from, int length);

sk

sock structure

skb

skb structure to be appened with user data.

getfrag

call back function to be used for getting the user data

from

pointer to user message iov

length

length of the iov message

This procedure append the user data in the fragment part of the skb if any page alloc fails user this procedure returns -ENOMEM