mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2025-03-01 09:56:16 +07:00
b17f709a24
Add if_tunnel flag TUNNEL_ENCAP_FLAG_REMCSUM to configure remote checksum offload on an IP tunnel. Add logic in gue_build_header to insert remote checksum offload option. Signed-off-by: Tom Herbert <therbert@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
39 lines
786 B
C
39 lines
786 B
C
#ifndef __NET_FOU_H
|
|
#define __NET_FOU_H
|
|
|
|
#include <linux/skbuff.h>
|
|
|
|
#include <net/flow.h>
|
|
#include <net/gue.h>
|
|
#include <net/ip_tunnels.h>
|
|
#include <net/udp.h>
|
|
|
|
int fou_build_header(struct sk_buff *skb, struct ip_tunnel_encap *e,
|
|
u8 *protocol, struct flowi4 *fl4);
|
|
int gue_build_header(struct sk_buff *skb, struct ip_tunnel_encap *e,
|
|
u8 *protocol, struct flowi4 *fl4);
|
|
|
|
static size_t fou_encap_hlen(struct ip_tunnel_encap *e)
|
|
{
|
|
return sizeof(struct udphdr);
|
|
}
|
|
|
|
static size_t gue_encap_hlen(struct ip_tunnel_encap *e)
|
|
{
|
|
size_t len;
|
|
bool need_priv = false;
|
|
|
|
len = sizeof(struct udphdr) + sizeof(struct guehdr);
|
|
|
|
if (e->flags & TUNNEL_ENCAP_FLAG_REMCSUM) {
|
|
len += GUE_PLEN_REMCSUM;
|
|
need_priv = true;
|
|
}
|
|
|
|
len += need_priv ? GUE_LEN_PRIV : 0;
|
|
|
|
return len;
|
|
}
|
|
|
|
#endif
|