xfrm: Allow UDP encapsulation in crypto offload control path

Unblock this limitation so that SAs with encapsulation specified
can be passed to HW drivers. HW drivers can still reject the SA
in their implementation of xdo_dev_state_add if the encapsulation
is not supported.

Test: Verified on Android device
Signed-off-by: Mike Yu <yumike@google.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
This commit is contained in:
Mike Yu 2024-07-12 10:51:23 +08:00 committed by Steffen Klassert
parent f7e8542d71
commit a10fb4a84a

View File

@ -261,9 +261,9 @@ int xfrm_dev_state_add(struct net *net, struct xfrm_state *x,
is_packet_offload = xuo->flags & XFRM_OFFLOAD_PACKET;
/* We don't yet support UDP encapsulation and TFC padding. */
if ((!is_packet_offload && x->encap) || x->tfcpad) {
NL_SET_ERR_MSG(extack, "Encapsulation and TFC padding can't be offloaded");
/* We don't yet support TFC padding. */
if (x->tfcpad) {
NL_SET_ERR_MSG(extack, "TFC padding can't be offloaded");
return -EINVAL;
}