28 	/* start WEP IV from a random value */  in ieee80211_wep_init()
32 static inline bool ieee80211_wep_weak_iv(u32 iv, int keylen)  in ieee80211_wep_weak_iv()  argument
39 	if ((iv & 0xff00) == 0xff00) {  in ieee80211_wep_weak_iv()
40 		u8 B = (iv >> 16) & 0xff;  in ieee80211_wep_weak_iv()
49 				 int keylen, int keyidx, u8 *iv)  in ieee80211_wep_get_iv()  argument
55 	if (!iv)  in ieee80211_wep_get_iv()
58 	*iv++ = (local->wep_iv >> 16) & 0xff;  in ieee80211_wep_get_iv()
59 	*iv++ = (local->wep_iv >> 8) & 0xff;  in ieee80211_wep_get_iv()
60 	*iv++ = local->wep_iv & 0xff;  in ieee80211_wep_get_iv()
61 	*iv++ = keyidx << 6;  in ieee80211_wep_get_iv()
83 	/* the HW only needs room for the IV, but not the actual IV */  in ieee80211_wep_add_iv()
108  * does _not_ add IV. data = RC4(data | CRC32(data)) */
125 /* Perform WEP encryption on given skb. 4 bytes of extra space (IV) in the
127  * buffer will be added. Both IV and ICV will be transmitted, so the
130  * WEP frame payload: IV + TX key idx, RC4(data), ICV = RC4(CRC32(data))
136 	u8 *iv;  in ieee80211_wep_encrypt()  local
143 	iv = ieee80211_wep_add_iv(local, skb, keylen, keyidx);  in ieee80211_wep_encrypt()
144 	if (!iv)  in ieee80211_wep_encrypt()
147 	len = skb->len - (iv + IEEE80211_WEP_IV_LEN - skb->data);  in ieee80211_wep_encrypt()
149 	/* Prepend 24-bit IV to RC4 key */  in ieee80211_wep_encrypt()
150 	memcpy(rc4key, iv, 3);  in ieee80211_wep_encrypt()
159 					  iv + IEEE80211_WEP_IV_LEN, len);  in ieee80211_wep_encrypt()
164  * payload, including 4-byte ICV, but _not_ IV. data_len must not include ICV.
185  * the frame: IV (4 bytes), encrypted payload (including SNAP header),
186  * ICV (4 bytes). skb->len includes both IV and ICV.
189  * failure. If frame is OK, IV and ICV will be removed, i.e., decrypted payload
220 	/* Prepend 24-bit IV to RC4 key */  in ieee80211_wep_decrypt()
234 	/* Remove IV */  in ieee80211_wep_decrypt()