[PATCH 4.4 18/75] ipv6: Skip XFRM lookup if dst_entry in socket cache is valid

4.4-stable review patch. If anyone has any objections, please let me know. -- From: Jakub Sitnicki [ Upstream commit 00bc0ef5880dc7b82f9c320dead4afaad48e47be ] At present we perform an xfrm_lookup() for each UDPv6 message we send. The lookup involves querying

[PATCH 4.4 18/75] ipv6: Skip XFRM lookup if dst_entry in socket cache is valid

4.4-stable review patch. If anyone has any objections, please let me know. -- From: Jakub Sitnicki [ Upstream commit 00bc0ef5880dc7b82f9c320dead4afaad48e47be ] At present we perform an xfrm_lookup() for each UDPv6 message we send. The lookup involves querying the flow cache