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xfrm: Allow UDP encapsulation in crypto offload control path

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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
1 changed files with 3 additions and 3 deletions
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6
net/xfrm/xfrm_device.c
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@ -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;
}