N
ˆ
857Ä¿Å Y
Index of /anon_sym/anon/dev/bus
Index of /anon_sym/anon/dev/bus
ˆ
‚|AÄ¿Å ™
Index of /anon_sym/anon/usr/share/licenses/python3-dns
Index of /anon_sym/anon/usr/share/licenses/python3-dns
ˆÃÇ
„^m¿Â¿Å ?÷ /* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* VLAN An implementation of 802.1Q VLAN tagging.
*
* Authors: Ben Greear
*/
#ifndef _LINUX_IF_VLAN_H_
#define _LINUX_IF_VLAN_H_
#include
#include
#include
#include
#include
#define VLAN_HLEN 4 /* The additional bytes required by VLAN
* (in addition to the Ethernet header)
*/
#define VLAN_ETH_HLEN 18 /* Total octets in header. */
#define VLAN_ETH_ZLEN 64 /* Min. octets in frame sans FCS */
/*
* According to 802.3ac, the packet can be 4 bytes longer. --Klika Jan
*/
#define VLAN_ETH_DATA_LEN 1500 /* Max. octets in payload */
#define VLAN_ETH_FRAME_LEN 1518 /* Max. octets in frame sans FCS */
#define VLAN_MAX_DEPTH 8 /* Max. number of nested VLAN tags parsed */
/*
* struct vlan_hdr - vlan header
* @h_vlan_TCI: priority and VLAN ID
* @h_vlan_encapsulated_proto: packet type ID or len
*/
struct vlan_hdr {
__be16 h_vlan_TCI;
__be16 h_vlan_encapsulated_proto;
};
/**
* struct vlan_ethhdr - vlan ethernet header (ethhdr + vlan_hdr)
* @h_dest: destination ethernet address
* @h_source: source ethernet address
* @h_vlan_proto: ethernet protocol
* @h_vlan_TCI: priority and VLAN ID
* @h_vlan_encapsulated_proto: packet type ID or len
*/
struct vlan_ethhdr {
struct_group(addrs,
unsigned char h_dest[ETH_ALEN];
unsigned char h_source[ETH_ALEN];
);
__be16 h_vlan_proto;
__be16 h_vlan_TCI;
__be16 h_vlan_encapsulated_proto;
};
#include
static inline struct vlan_ethhdr *vlan_eth_hdr(const struct sk_buff *skb)
{
return (struct vlan_ethhdr *)skb_mac_header(skb);
}
/* Prefer this version in TX path, instead of
* skb_reset_mac_header() + vlan_eth_hdr()
*/
static inline struct vlan_ethhdr *skb_vlan_eth_hdr(const struct sk_buff *skb)
{
return (struct vlan_ethhdr *)skb->data;
}
#define VLAN_PRIO_MASK 0xe000 /* Priority Code Point */
#define VLAN_PRIO_SHIFT 13
#define VLAN_CFI_MASK 0x1000 /* Canonical Format Indicator / Drop Eligible Indicator */
#define VLAN_VID_MASK 0x0fff /* VLAN Identifier */
#define VLAN_N_VID 4096
/* found in socket.c */
extern void vlan_ioct