'\" t
.\"     Title: pskb_put
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: June 2017
.\"    Manual: Linux Networking
.\"    Source: Kernel Hackers Manual 4.9.30
.\"  Language: English
.\"
.TH "PSKB_PUT" "9" "June 2017" "Kernel Hackers Manual 4\&.9\&." "Linux Networking"
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.SH "NAME"
pskb_put \- add data to the tail of a potentially fragmented buffer
.SH "SYNOPSIS"
.HP \w'unsigned\ char\ *\ pskb_put('u
.BI "unsigned char * pskb_put(struct\ sk_buff\ *\ " "skb" ", struct\ sk_buff\ *\ " "tail" ", int\ " "len" ");"
.SH "ARGUMENTS"
.PP
\fIskb\fR
.RS 4
start of the buffer to use
.RE
.PP
\fItail\fR
.RS 4
tail fragment of the buffer to use
.RE
.PP
\fIlen\fR
.RS 4
amount of data to add
.RE
.SH "DESCRIPTION"
.PP
This function extends the used data area of the potentially fragmented buffer\&.
\fItail\fR
must be the last fragment of
\fIskb\fR
\-\- or
\fIskb\fR
itself\&. If this would exceed the total buffer size the kernel will panic\&. A pointer to the first byte of the extra data is returned\&.
.SH "COPYRIGHT"
.br