mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-28 03:40:04 +00:00
4b5f67232d
Special handling is needed in bareudp module for IP & MPLS as they support more than one ethertypes. MPLS has 2 ethertypes. 0x8847 for MPLS unicast and 0x8848 for MPLS multicast. While decapsulating MPLS packet from UDP packet the tunnel destination IP address is checked to determine the ethertype. The ethertype of the packet will be set to 0x8848 if the tunnel destination IP address is a multicast IP address. The ethertype of the packet will be set to 0x8847 if the tunnel destination IP address is a unicast IP address. IP has 2 ethertypes.0x0800 for IPV4 and 0x86dd for IPv6. The version field of the IP header tunnelled will be checked to determine the ethertype. This special handling to tunnel additional ethertypes will be disabled by default and can be enabled using a flag called multiproto. This flag can be used only with ethertypes 0x8847 and 0x0800. Signed-off-by: Martin Varghese <martin.varghese@nokia.com> Acked-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
20 lines
390 B
C
20 lines
390 B
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
|
|
#ifndef __NET_BAREUDP_H
|
|
#define __NET_BAREUDP_H
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/skbuff.h>
|
|
|
|
struct bareudp_conf {
|
|
__be16 ethertype;
|
|
__be16 port;
|
|
u16 sport_min;
|
|
bool multi_proto_mode;
|
|
};
|
|
|
|
struct net_device *bareudp_dev_create(struct net *net, const char *name,
|
|
u8 name_assign_type,
|
|
struct bareudp_conf *info);
|
|
|
|
#endif
|