Open vSwitch provides code to push an MPLS header to a packet. In preparation for supporting this in TC, move the push code to an skb helper that can be reused.
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| @@ -3447,6 +3447,7 @@ int skb_ensure_writable(struct sk_buff *skb, int write_len); · 3446 unmodified lines | |||
| 3447 | int __skb_vlan_pop(struct sk_buff *skb, u16 *vlan_tci); | 3447 | int __skb_vlan_pop(struct sk_buff *skb, u16 *vlan_tci); |
| 3448 | int skb_vlan_pop(struct sk_buff *skb); | 3448 | int skb_vlan_pop(struct sk_buff *skb); |
| 3449 | int skb_vlan_push(struct sk_buff *skb, __be16 vlan_proto, u16 vlan_tci); | 3449 | int skb_vlan_push(struct sk_buff *skb, __be16 vlan_proto, u16 vlan_tci); |
| 3450 | int skb_mpls_push(struct sk_buff *skb, __be32 mpls_lse, __be16 mpls_proto); | ||
| 3450 | struct sk_buff *pskb_extract(struct sk_buff *skb, int off, int to_copy, | 3451 | struct sk_buff *pskb_extract(struct sk_buff *skb, int off, int to_copy, |
| 3451 | gfp_t gfp); | 3452 | gfp_t gfp); |
| 3452 | 3453 | ||