/usr/src/openvswitch-1.4.0/datapath/vlan.c is in openvswitch-datapath-dkms 1.4.0-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | /*
* Copyright (c) 2007-2011 Nicira Networks.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/if_vlan.h>
#include <linux/skbuff.h>
#include "datapath.h"
#include "vlan.h"
#ifdef NEED_VLAN_FIELD
void vlan_copy_skb_tci(struct sk_buff *skb)
{
OVS_CB(skb)->vlan_tci = 0;
}
u16 vlan_get_tci(struct sk_buff *skb)
{
return OVS_CB(skb)->vlan_tci;
}
void vlan_set_tci(struct sk_buff *skb, u16 vlan_tci)
{
OVS_CB(skb)->vlan_tci = vlan_tci;
}
bool vlan_tx_tag_present(struct sk_buff *skb)
{
return OVS_CB(skb)->vlan_tci & VLAN_TAG_PRESENT;
}
u16 vlan_tx_tag_get(struct sk_buff *skb)
{
return OVS_CB(skb)->vlan_tci & ~VLAN_TAG_PRESENT;
}
struct sk_buff *__vlan_hwaccel_put_tag(struct sk_buff *skb, u16 vlan_tci)
{
OVS_CB(skb)->vlan_tci = vlan_tci | VLAN_TAG_PRESENT;
return skb;
}
#endif /* NEED_VLAN_FIELD */
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