145 u8 *ieee80211_tkip_add_iv(u8 *pos, struct ieee80211_key *key)  in ieee80211_tkip_add_iv()  argument
147 	lockdep_assert_held(&key->u.tkip.txlock);  in ieee80211_tkip_add_iv()
149 	pos = write_tkip_iv(pos, key->u.tkip.tx.iv16);  in ieee80211_tkip_add_iv()
150 	*pos++ = (key->conf.keyidx << 6) | (1 << 5) /* Ext IV */;  in ieee80211_tkip_add_iv()
151 	put_unaligned_le32(key->u.tkip.tx.iv32, pos);  in ieee80211_tkip_add_iv()
155 static void ieee80211_compute_tkip_p1k(struct ieee80211_key *key, u32 iv32)  in ieee80211_compute_tkip_p1k()  argument
157 	struct ieee80211_sub_if_data *sdata = key->sdata;  in ieee80211_compute_tkip_p1k()
158 	struct tkip_ctx *ctx = &key->u.tkip.tx;  in ieee80211_compute_tkip_p1k()
159 	const u8 *tk = &key->conf.key[NL80211_TKIP_DATA_OFFSET_ENCR_KEY];  in ieee80211_compute_tkip_p1k()
161 	lockdep_assert_held(&key->u.tkip.txlock);  in ieee80211_compute_tkip_p1k()
177 	struct ieee80211_key *key = (struct ieee80211_key *)  in ieee80211_get_tkip_p1k_iv()  local
179 	struct tkip_ctx *ctx = &key->u.tkip.tx;  in ieee80211_get_tkip_p1k_iv()
181 	spin_lock_bh(&key->u.tkip.txlock);  in ieee80211_get_tkip_p1k_iv()
182 	ieee80211_compute_tkip_p1k(key, iv32);  in ieee80211_get_tkip_p1k_iv()
184 	spin_unlock_bh(&key->u.tkip.txlock);  in ieee80211_get_tkip_p1k_iv()
191 	const u8 *tk = &keyconf->key[NL80211_TKIP_DATA_OFFSET_ENCR_KEY];  in ieee80211_get_tkip_rx_p1k()
202 	struct ieee80211_key *key = (struct ieee80211_key *)  in ieee80211_get_tkip_p2k()  local
204 	const u8 *tk = &key->conf.key[NL80211_TKIP_DATA_OFFSET_ENCR_KEY];  in ieee80211_get_tkip_p2k()
205 	struct tkip_ctx *ctx = &key->u.tkip.tx;  in ieee80211_get_tkip_p2k()
211 	spin_lock(&key->u.tkip.txlock);  in ieee80211_get_tkip_p2k()
212 	ieee80211_compute_tkip_p1k(key, iv32);  in ieee80211_get_tkip_p2k()
214 	spin_unlock(&key->u.tkip.txlock);  in ieee80211_get_tkip_p2k()
226 				struct ieee80211_key *key,  in ieee80211_tkip_encrypt_data()  argument
232 	ieee80211_get_tkip_p2k(&key->conf, skb, rc4key);  in ieee80211_tkip_encrypt_data()
243 				struct ieee80211_key *key,  in ieee80211_tkip_decrypt_data()  argument
252 	const u8 *tk = &key->conf.key[NL80211_TKIP_DATA_OFFSET_ENCR_KEY];  in ieee80211_tkip_decrypt_data()
265 	if ((keyid >> 6) != key->conf.keyidx)  in ieee80211_tkip_decrypt_data()
268 	if (key->u.tkip.rx[queue].state != TKIP_STATE_NOT_INIT &&  in ieee80211_tkip_decrypt_data()
269 	    (iv32 < key->u.tkip.rx[queue].iv32 ||  in ieee80211_tkip_decrypt_data()
270 	     (iv32 == key->u.tkip.rx[queue].iv32 &&  in ieee80211_tkip_decrypt_data()
271 	      iv16 <= key->u.tkip.rx[queue].iv16)))  in ieee80211_tkip_decrypt_data()
276 		key->u.tkip.rx[queue].state = TKIP_STATE_PHASE1_HW_UPLOADED;  in ieee80211_tkip_decrypt_data()
280 	if (key->u.tkip.rx[queue].state == TKIP_STATE_NOT_INIT ||  in ieee80211_tkip_decrypt_data()
281 	    key->u.tkip.rx[queue].iv32 != iv32) {  in ieee80211_tkip_decrypt_data()
283 		tkip_mixing_phase1(tk, &key->u.tkip.rx[queue], ta, iv32);  in ieee80211_tkip_decrypt_data()
285 	if (key->local->ops->update_tkip_key &&  in ieee80211_tkip_decrypt_data()
286 	    key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&  in ieee80211_tkip_decrypt_data()
287 	    key->u.tkip.rx[queue].state != TKIP_STATE_PHASE1_HW_UPLOADED) {  in ieee80211_tkip_decrypt_data()
288 		struct ieee80211_sub_if_data *sdata = key->sdata;  in ieee80211_tkip_decrypt_data()
291 			sdata = container_of(key->sdata->bss,  in ieee80211_tkip_decrypt_data()
293 		drv_update_tkip_key(key->local, sdata, &key->conf, key->sta,  in ieee80211_tkip_decrypt_data()
294 				iv32, key->u.tkip.rx[queue].p1k);  in ieee80211_tkip_decrypt_data()
295 		key->u.tkip.rx[queue].state = TKIP_STATE_PHASE1_HW_UPLOADED;  in ieee80211_tkip_decrypt_data()
298 	tkip_mixing_phase2(tk, &key->u.tkip.rx[queue], iv16, rc4key);  in ieee80211_tkip_decrypt_data()