181 static int lib80211_ccmp_hdr(struct sk_buff *skb, int hdr_len,  in lib80211_ccmp_hdr()  argument
188 	if (skb_headroom(skb) < CCMP_HDR_LEN || skb->len < hdr_len)  in lib80211_ccmp_hdr()
195 	memmove(pos, pos + CCMP_HDR_LEN, hdr_len);  in lib80211_ccmp_hdr()
196 	pos += hdr_len;  in lib80211_ccmp_hdr()
218 static int lib80211_ccmp_encrypt(struct sk_buff *skb, int hdr_len, void *priv)  in lib80211_ccmp_encrypt()  argument
229 	if (skb_tailroom(skb) < CCMP_MIC_LEN || skb->len < hdr_len)  in lib80211_ccmp_encrypt()
232 	data_len = skb->len - hdr_len;  in lib80211_ccmp_encrypt()
233 	len = lib80211_ccmp_hdr(skb, hdr_len, NULL, 0, priv);  in lib80211_ccmp_encrypt()
237 	pos = skb->data + hdr_len + CCMP_HDR_LEN;  in lib80211_ccmp_encrypt()
285 static int lib80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)  in lib80211_ccmp_decrypt()  argument
295 	size_t data_len = skb->len - hdr_len - CCMP_HDR_LEN - CCMP_MIC_LEN;  in lib80211_ccmp_decrypt()
298 	if (skb->len < hdr_len + CCMP_HDR_LEN + CCMP_MIC_LEN) {  in lib80211_ccmp_decrypt()
304 	pos = skb->data + hdr_len;  in lib80211_ccmp_decrypt()
373 	memmove(skb->data + CCMP_HDR_LEN, skb->data, hdr_len);  in lib80211_ccmp_decrypt()