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authorJohn Hurley <john.hurley@netronome.com>2019-07-07 17:01:56 +0300
committerDavid S. Miller <davem@davemloft.net>2019-07-09 05:50:13 +0300
commitd27cf5c59a12f66425df29cd81f61aa73ef14ac1 (patch)
tree200e7e737082e2e2a129789edc00cddaab20aea8 /include/linux/skbuff.h
parented246cee09b9865145a2e1e34f63ec0e31dd83a5 (diff)
downloadlinux-d27cf5c59a12f66425df29cd81f61aa73ef14ac1.tar.xz
net: core: add MPLS update core helper and use in OvS
Open vSwitch allows the updating of an existing MPLS header on a packet. In preparation for supporting similar functionality in TC, move this to a common skb helper function. Signed-off-by: John Hurley <john.hurley@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Reviewed-by: Willem de Bruijn <willemb@google.com> Acked-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/skbuff.h')
-rw-r--r--include/linux/skbuff.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 08d1c8e70540..9f7e01f2be83 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -3449,6 +3449,7 @@ int skb_vlan_pop(struct sk_buff *skb);
int skb_vlan_push(struct sk_buff *skb, __be16 vlan_proto, u16 vlan_tci);
int skb_mpls_push(struct sk_buff *skb, __be32 mpls_lse, __be16 mpls_proto);
int skb_mpls_pop(struct sk_buff *skb, __be16 next_proto);
+int skb_mpls_update_lse(struct sk_buff *skb, __be32 mpls_lse);
struct sk_buff *pskb_extract(struct sk_buff *skb, int off, int to_copy,
gfp_t gfp);