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SKB_APPEND_DATATO_FR(9) Linux Networking SKB_APPEND_DATATO_FR(9)

NAME

skb_append_datato_frags - append the user data to a skb

SYNOPSIS

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);

ARGUMENTS

struct sock * sk

sock structure

struct sk_buff * skb

skb structure to be appended with user data.

int (*)(void *from, char *to, int offset, int len, int odd, struct sk_buff *skb) getfrag

call back function to be used for getting the user data

void * from

pointer to user message iov

int length

length of the iov message

DESCRIPTION

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

COPYRIGHT

September 2017 Kernel Hackers Manual 4.12