ATH6KL_AMSDU_BUFFER_SIZE
len <= ATH6KL_BUFFER_SIZE : len <= ATH6KL_AMSDU_BUFFER_SIZE;
skb = ath6kl_buf_alloc(ATH6KL_AMSDU_BUFFER_SIZE);
ATH6KL_AMSDU_BUFFER_SIZE, 0);
(len > ATH6KL_AMSDU_BUFFER_SIZE))