.\" This documentation was generated from the book titled "The Linux Kernel API", which is part of the Linux kernel source. .\" .\" This documentation comes with the following legal notice: .\" .\" This documentation is free software; you can redistribute .\" it and/or modify it under the terms of the GNU General Public .\" License as published by the Free Software Foundation; either .\" version 2 of the License, or (at your option) any later .\" version. .\" .\" This program is distributed in the hope that it will be .\" useful, but WITHOUT ANY WARRANTY; without even the implied .\" warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. .\" See the GNU General Public License for more details. .\" .\" You should have received a copy of the GNU General Public .\" License along with this program; if not, write to the Free .\" Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, .\" MA 02111-1307 USA .\" .\" For more details see the file COPYING in the source .\" distribution of Linux. .\" .\" For comments on the formatting of this manpage, please contact Michael Still .\" This manpage has been automatically generated by docbook2man .\" from a DocBook document. This tool can be found at: .\" .\" Please send any bug reports, improvements, comments, patches, .\" etc. to Steve Cheng . .TH "SKB_PUSH" "9" "06 August 2003" "" "" .SH NAME skb_push \- add data to the start of a buffer .SH SYNOPSIS .sp \fB .sp unsigned char * skb_push (struct sk_buff * \fIskb\fB, unsigned int \fIlen\fB); \fR .SH "ARGUMENTS" .TP \fB\fIskb\fB\fR buffer to use .TP \fB\fIlen\fB\fR amount of data to add .SH "DESCRIPTION" .PP This function extends the used data area of the buffer at the buffer start. If this would exceed the total buffer headroom the kernel will panic. A pointer to the first byte of the extra data is returned. .SH "ABOUT THIS DOCUMENT" .PP This documentation was generated with kernel version 2.6.0.