283 static int lib80211_tkip_hdr(struct sk_buff *skb, int hdr_len,  in lib80211_tkip_hdr()  argument
292 	if (skb_headroom(skb) < TKIP_HDR_LEN || skb->len < hdr_len)  in lib80211_tkip_hdr()
306 	memmove(pos, pos + TKIP_HDR_LEN, hdr_len);  in lib80211_tkip_hdr()
307 	pos += hdr_len;  in lib80211_tkip_hdr()
327 static int lib80211_tkip_encrypt(struct sk_buff *skb, int hdr_len, void *priv)  in lib80211_tkip_encrypt()  argument
341 	if (skb_tailroom(skb) < 4 || skb->len < hdr_len)  in lib80211_tkip_encrypt()
344 	len = skb->len - hdr_len;  in lib80211_tkip_encrypt()
345 	pos = skb->data + hdr_len;  in lib80211_tkip_encrypt()
347 	if ((lib80211_tkip_hdr(skb, hdr_len, rc4key, 16, priv)) < 0)  in lib80211_tkip_encrypt()
376 static int lib80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)  in lib80211_tkip_decrypt()  argument
396 	if (skb->len < hdr_len + TKIP_HDR_LEN + 4)  in lib80211_tkip_decrypt()
399 	pos = skb->data + hdr_len;  in lib80211_tkip_decrypt()
437 	plen = skb->len - hdr_len - 12;  in lib80211_tkip_decrypt()
467 	memmove(skb->data + TKIP_HDR_LEN, skb->data, hdr_len);  in lib80211_tkip_decrypt()
541 static int lib80211_michael_mic_add(struct sk_buff *skb, int hdr_len,  in lib80211_michael_mic_add()  argument
547 	if (skb_tailroom(skb) < 8 || skb->len < hdr_len) {  in lib80211_michael_mic_add()
550 		       skb_tailroom(skb), hdr_len, skb->len);  in lib80211_michael_mic_add()
557 			skb->data + hdr_len, skb->len - 8 - hdr_len, pos))  in lib80211_michael_mic_add()
585 					int hdr_len, void *priv)  in lib80211_michael_mic_verify()  argument
595 			skb->data + hdr_len, skb->len - 8 - hdr_len, mic))  in lib80211_michael_mic_verify()