crypto_aead_ivsize(aead);
if (x->props.mode == XFRM_MODE_TUNNEL)
x->props.header_len += sizeof(struct iphdr);
- else if (x->props.mode == XFRM_MODE_BEET)
+ else if (x->props.mode == XFRM_MODE_BEET && x->sel.family != AF_INET6)
x->props.header_len += IPV4_BEET_PHMAXLEN;
if (x->encap) {
struct xfrm_encap_tmpl *encap = x->encap;