91 static int lib80211_wep_build_iv(struct sk_buff *skb, int hdr_len,  in lib80211_wep_build_iv()  argument
98 	if (skb_headroom(skb) < 4 || skb->len < hdr_len)  in lib80211_wep_build_iv()
102 	memmove(pos, pos + 4, hdr_len);  in lib80211_wep_build_iv()
103 	pos += hdr_len;  in lib80211_wep_build_iv()
133 static int lib80211_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv)  in lib80211_wep_encrypt()  argument
147 	if (lib80211_wep_build_iv(skb, hdr_len, NULL, 0, priv))  in lib80211_wep_encrypt()
151 	skb_copy_from_linear_data_offset(skb, hdr_len, key, 3);  in lib80211_wep_encrypt()
156 	len = skb->len - hdr_len - 4;  in lib80211_wep_encrypt()
157 	pos = skb->data + hdr_len + 4;  in lib80211_wep_encrypt()
180 static int lib80211_wep_decrypt(struct sk_buff *skb, int hdr_len, void *priv)  in lib80211_wep_decrypt()  argument
189 	if (skb->len < hdr_len + 8)  in lib80211_wep_decrypt()
192 	pos = skb->data + hdr_len;  in lib80211_wep_decrypt()
206 	plen = skb->len - hdr_len - 8;  in lib80211_wep_decrypt()
224 	memmove(skb->data + 4, skb->data, hdr_len);  in lib80211_wep_decrypt()