xfrm: Allow UDP encapsulation only in offload modes
[ Upstream commit773bb766ca
] The missing check of x->encap caused to the situation where GSO packets were created with UDP encapsulation. As a solution return the encap check for non-offloaded SA. Fixes:983a73da1f
("xfrm: Pass UDP encapsulation in TX packet offload") Closes: https://lore.kernel.org/all/a650221ae500f0c7cf496c61c96c1b103dcb6f67.camel@redhat.com Reported-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -407,7 +407,8 @@ bool xfrm_dev_offload_ok(struct sk_buff *skb, struct xfrm_state *x)
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struct xfrm_dst *xdst = (struct xfrm_dst *)dst;
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struct net_device *dev = x->xso.dev;
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if (!x->type_offload)
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if (!x->type_offload ||
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(x->xso.type == XFRM_DEV_OFFLOAD_UNSPECIFIED && x->encap))
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return false;
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if (x->xso.type == XFRM_DEV_OFFLOAD_PACKET ||
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