xfrm: add TX datapath support for IPsec packet offload mode
In IPsec packet mode, the device is going to encrypt and encapsulate
packets that are associated with offloaded policy. After successful
policy lookup to indicate if packets should be offloaded or not,
the stack forwards packets to the device to do the magic.
Signed-off-by: Raed Salem <[email protected]>
Signed-off-by: Huy Nguyen <[email protected]>
Signed-off-by: Leon Romanovsky <[email protected]>
Signed-off-by: Steffen Klassert <[email protected]>