CCMP_MIC_LEN
if (skb_tailroom(skb) < CCMP_MIC_LEN || skb->len < hdr_len)
skb_put(skb, CCMP_MIC_LEN);
data_len + CCMP_MIC_LEN);
if (skb->len < hdr_len + CCMP_HDR_LEN + CCMP_MIC_LEN) {
skb_trim(skb, skb->len - CCMP_MIC_LEN);
if (crypto_aead_setauthsize(data->tfm, CCMP_MIC_LEN) ||
.extra_mpdu_postfix_len = CCMP_MIC_LEN,