mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-23 20:53:53 +08:00
a99421d9b1
Several files refer to an old address for the Free Software Foundation in the file header comment. Resolve by replacing the address with the URL <http://www.gnu.org/licenses/> so that we do not have to keep updating the header comments anytime the address changes. CC: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> CC: James Morris <jmorris@namei.org> CC: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org> CC: Patrick McHardy <kaber@trash.net> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
84 lines
2.2 KiB
C
84 lines
2.2 KiB
C
/*
|
|
* xfrm6_mode_ro.c - Route optimization mode for IPv6.
|
|
*
|
|
* Copyright (C)2003-2006 Helsinki University of Technology
|
|
* Copyright (C)2003-2006 USAGI/WIDE Project
|
|
*
|
|
* This program 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, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
/*
|
|
* Authors:
|
|
* Noriaki TAKAMIYA @USAGI
|
|
* Masahide NAKAMURA @USAGI
|
|
*/
|
|
|
|
#include <linux/init.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/module.h>
|
|
#include <linux/skbuff.h>
|
|
#include <linux/spinlock.h>
|
|
#include <linux/stringify.h>
|
|
#include <linux/time.h>
|
|
#include <net/ipv6.h>
|
|
#include <net/xfrm.h>
|
|
|
|
/* Add route optimization header space.
|
|
*
|
|
* The IP header and mutable extension headers will be moved forward to make
|
|
* space for the route optimization header.
|
|
*/
|
|
static int xfrm6_ro_output(struct xfrm_state *x, struct sk_buff *skb)
|
|
{
|
|
struct ipv6hdr *iph;
|
|
u8 *prevhdr;
|
|
int hdr_len;
|
|
|
|
iph = ipv6_hdr(skb);
|
|
|
|
hdr_len = x->type->hdr_offset(x, skb, &prevhdr);
|
|
skb_set_mac_header(skb, (prevhdr - x->props.header_len) - skb->data);
|
|
skb_set_network_header(skb, -x->props.header_len);
|
|
skb->transport_header = skb->network_header + hdr_len;
|
|
__skb_pull(skb, hdr_len);
|
|
memmove(ipv6_hdr(skb), iph, hdr_len);
|
|
|
|
x->lastused = get_seconds();
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct xfrm_mode xfrm6_ro_mode = {
|
|
.output = xfrm6_ro_output,
|
|
.owner = THIS_MODULE,
|
|
.encap = XFRM_MODE_ROUTEOPTIMIZATION,
|
|
};
|
|
|
|
static int __init xfrm6_ro_init(void)
|
|
{
|
|
return xfrm_register_mode(&xfrm6_ro_mode, AF_INET6);
|
|
}
|
|
|
|
static void __exit xfrm6_ro_exit(void)
|
|
{
|
|
int err;
|
|
|
|
err = xfrm_unregister_mode(&xfrm6_ro_mode, AF_INET6);
|
|
BUG_ON(err);
|
|
}
|
|
|
|
module_init(xfrm6_ro_init);
|
|
module_exit(xfrm6_ro_exit);
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_ALIAS_XFRM_MODE(AF_INET6, XFRM_MODE_ROUTEOPTIMIZATION);
|