top_iph->ttl = 0;
top_iph->check = 0;
- ah->hdrlen = (XFRM_ALIGN8(sizeof(*ah) + ahp->icv_trunc_len) >> 2) - 2;
+ if (x->props.flags & XFRM_STATE_ALIGN4)
+ ah->hdrlen = (XFRM_ALIGN4(sizeof(*ah) + ahp->icv_trunc_len) >> 2) - 2;
+ else
+ ah->hdrlen = (XFRM_ALIGN8(sizeof(*ah) + ahp->icv_trunc_len) >> 2) - 2;
ah->reserved = 0;
ah->spi = x->id.spi;
- ah->seq_no = htonl(XFRM_SKB_CB(skb)->seq.output);
+ ah->seq_no = htonl(XFRM_SKB_CB(skb)->seq.output.low);
sg_init_table(sg, nfrags);
skb_to_sgvec(skb, sg, 0, skb->len);
nexthdr = ah->nexthdr;
ah_hlen = (ah->hdrlen + 2) << 2;
- if (ah_hlen != XFRM_ALIGN8(sizeof(*ah) + ahp->icv_full_len) &&
- ah_hlen != XFRM_ALIGN8(sizeof(*ah) + ahp->icv_trunc_len))
- goto out;
+ if (x->props.flags & XFRM_STATE_ALIGN4) {
+ if (ah_hlen != XFRM_ALIGN4(sizeof(*ah) + ahp->icv_full_len) &&
+ ah_hlen != XFRM_ALIGN4(sizeof(*ah) + ahp->icv_trunc_len))
+ goto out;
+ } else {
+ if (ah_hlen != XFRM_ALIGN8(sizeof(*ah) + ahp->icv_full_len) &&
+ ah_hlen != XFRM_ALIGN8(sizeof(*ah) + ahp->icv_trunc_len))
+ goto out;
+ }
if (!pskb_may_pull(skb, ah_hlen))
goto out;
BUG_ON(ahp->icv_trunc_len > MAX_AH_AUTH_LEN);
- x->props.header_len = XFRM_ALIGN8(sizeof(struct ip_auth_hdr) +
- ahp->icv_trunc_len);
+ if (x->props.flags & XFRM_STATE_ALIGN4)
+ x->props.header_len = XFRM_ALIGN4(sizeof(struct ip_auth_hdr) +
+ ahp->icv_trunc_len);
+ else
+ x->props.header_len = XFRM_ALIGN8(sizeof(struct ip_auth_hdr) +
+ ahp->icv_trunc_len);
if (x->props.mode == XFRM_MODE_TUNNEL)
x->props.header_len += sizeof(struct iphdr);
x->data = ahp;