Lines Matching refs:key
125 static int ieee80211_key_enable_hw_accel(struct ieee80211_key *key) in ieee80211_key_enable_hw_accel() argument
127 struct ieee80211_sub_if_data *sdata = key->sdata; in ieee80211_key_enable_hw_accel()
133 if (key->flags & KEY_FLAG_TAINTED) { in ieee80211_key_enable_hw_accel()
141 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE && in ieee80211_key_enable_hw_accel()
142 !(key->conf.flags & (IEEE80211_KEY_FLAG_GENERATE_MMIC | in ieee80211_key_enable_hw_accel()
147 key->flags &= ~KEY_FLAG_UPLOADED_TO_HARDWARE; in ieee80211_key_enable_hw_accel()
151 if (!key->local->ops->set_key) in ieee80211_key_enable_hw_accel()
154 assert_key_lock(key->local); in ieee80211_key_enable_hw_accel()
156 sta = key->sta; in ieee80211_key_enable_hw_accel()
162 if (sta && !(key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE) && in ieee80211_key_enable_hw_accel()
163 !ieee80211_hw_check(&key->local->hw, SUPPORTS_PER_STA_GTK)) in ieee80211_key_enable_hw_accel()
174 if (!(key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE)) { in ieee80211_key_enable_hw_accel()
180 ret = drv_set_key(key->local, SET_KEY, sdata, in ieee80211_key_enable_hw_accel()
181 sta ? &sta->sta : NULL, &key->conf); in ieee80211_key_enable_hw_accel()
184 key->flags |= KEY_FLAG_UPLOADED_TO_HARDWARE; in ieee80211_key_enable_hw_accel()
186 if (!(key->conf.flags & (IEEE80211_KEY_FLAG_GENERATE_MMIC | in ieee80211_key_enable_hw_accel()
191 WARN_ON((key->conf.flags & IEEE80211_KEY_FLAG_PUT_IV_SPACE) && in ieee80211_key_enable_hw_accel()
192 (key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)); in ieee80211_key_enable_hw_accel()
194 WARN_ON((key->conf.flags & IEEE80211_KEY_FLAG_PUT_MIC_SPACE) && in ieee80211_key_enable_hw_accel()
195 (key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_MMIC)); in ieee80211_key_enable_hw_accel()
203 key->conf.keyidx, in ieee80211_key_enable_hw_accel()
207 switch (key->conf.cipher) { in ieee80211_key_enable_hw_accel()
222 if (ieee80211_hw_check(&key->local->hw, SW_CRYPTO_CONTROL)) in ieee80211_key_enable_hw_accel()
230 static void ieee80211_key_disable_hw_accel(struct ieee80211_key *key) in ieee80211_key_disable_hw_accel() argument
238 if (!key || !key->local->ops->set_key) in ieee80211_key_disable_hw_accel()
241 assert_key_lock(key->local); in ieee80211_key_disable_hw_accel()
243 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)) in ieee80211_key_disable_hw_accel()
246 sta = key->sta; in ieee80211_key_disable_hw_accel()
247 sdata = key->sdata; in ieee80211_key_disable_hw_accel()
249 if (!(key->conf.flags & (IEEE80211_KEY_FLAG_GENERATE_MMIC | in ieee80211_key_disable_hw_accel()
254 key->flags &= ~KEY_FLAG_UPLOADED_TO_HARDWARE; in ieee80211_key_disable_hw_accel()
255 ret = drv_set_key(key->local, DISABLE_KEY, sdata, in ieee80211_key_disable_hw_accel()
256 sta ? &sta->sta : NULL, &key->conf); in ieee80211_key_disable_hw_accel()
261 key->conf.keyidx, in ieee80211_key_disable_hw_accel()
265 static int _ieee80211_set_tx_key(struct ieee80211_key *key, bool force) in _ieee80211_set_tx_key() argument
267 struct sta_info *sta = key->sta; in _ieee80211_set_tx_key()
268 struct ieee80211_local *local = key->local; in _ieee80211_set_tx_key()
274 sta->ptk_idx = key->conf.keyidx; in _ieee80211_set_tx_key()
283 int ieee80211_set_tx_key(struct ieee80211_key *key) in ieee80211_set_tx_key() argument
285 return _ieee80211_set_tx_key(key, false); in ieee80211_set_tx_key()
350 struct ieee80211_key *key = NULL; in __ieee80211_set_default_key() local
355 key = key_mtx_dereference(sdata->local, sdata->keys[idx]); in __ieee80211_set_default_key()
358 rcu_assign_pointer(sdata->default_unicast_key, key); in __ieee80211_set_default_key()
365 rcu_assign_pointer(sdata->default_multicast_key, key); in __ieee80211_set_default_key()
381 struct ieee80211_key *key = NULL; in __ieee80211_set_default_mgmt_key() local
387 key = key_mtx_dereference(sdata->local, sdata->keys[idx]); in __ieee80211_set_default_mgmt_key()
389 rcu_assign_pointer(sdata->default_mgmt_key, key); in __ieee80211_set_default_mgmt_key()
405 struct ieee80211_key *key = NULL; in __ieee80211_set_default_beacon_key() local
412 key = key_mtx_dereference(sdata->local, sdata->keys[idx]); in __ieee80211_set_default_beacon_key()
414 rcu_assign_pointer(sdata->default_beacon_key, key); in __ieee80211_set_default_beacon_key()
537 struct ieee80211_key *key; in ieee80211_key_alloc() local
545 key = kzalloc(sizeof(struct ieee80211_key) + key_len, GFP_KERNEL); in ieee80211_key_alloc()
546 if (!key) in ieee80211_key_alloc()
553 key->conf.flags = 0; in ieee80211_key_alloc()
554 key->flags = 0; in ieee80211_key_alloc()
556 key->conf.cipher = cipher; in ieee80211_key_alloc()
557 key->conf.keyidx = idx; in ieee80211_key_alloc()
558 key->conf.keylen = key_len; in ieee80211_key_alloc()
562 key->conf.iv_len = IEEE80211_WEP_IV_LEN; in ieee80211_key_alloc()
563 key->conf.icv_len = IEEE80211_WEP_ICV_LEN; in ieee80211_key_alloc()
566 key->conf.iv_len = IEEE80211_TKIP_IV_LEN; in ieee80211_key_alloc()
567 key->conf.icv_len = IEEE80211_TKIP_ICV_LEN; in ieee80211_key_alloc()
570 key->u.tkip.rx[i].iv32 = in ieee80211_key_alloc()
572 key->u.tkip.rx[i].iv16 = in ieee80211_key_alloc()
576 spin_lock_init(&key->u.tkip.txlock); in ieee80211_key_alloc()
579 key->conf.iv_len = IEEE80211_CCMP_HDR_LEN; in ieee80211_key_alloc()
580 key->conf.icv_len = IEEE80211_CCMP_MIC_LEN; in ieee80211_key_alloc()
584 key->u.ccmp.rx_pn[i][j] = in ieee80211_key_alloc()
591 key->u.ccmp.tfm = ieee80211_aes_key_setup_encrypt( in ieee80211_key_alloc()
593 if (IS_ERR(key->u.ccmp.tfm)) { in ieee80211_key_alloc()
594 err = PTR_ERR(key->u.ccmp.tfm); in ieee80211_key_alloc()
595 kfree(key); in ieee80211_key_alloc()
600 key->conf.iv_len = IEEE80211_CCMP_256_HDR_LEN; in ieee80211_key_alloc()
601 key->conf.icv_len = IEEE80211_CCMP_256_MIC_LEN; in ieee80211_key_alloc()
604 key->u.ccmp.rx_pn[i][j] = in ieee80211_key_alloc()
609 key->u.ccmp.tfm = ieee80211_aes_key_setup_encrypt( in ieee80211_key_alloc()
611 if (IS_ERR(key->u.ccmp.tfm)) { in ieee80211_key_alloc()
612 err = PTR_ERR(key->u.ccmp.tfm); in ieee80211_key_alloc()
613 kfree(key); in ieee80211_key_alloc()
619 key->conf.iv_len = 0; in ieee80211_key_alloc()
621 key->conf.icv_len = sizeof(struct ieee80211_mmie); in ieee80211_key_alloc()
623 key->conf.icv_len = sizeof(struct ieee80211_mmie_16); in ieee80211_key_alloc()
626 key->u.aes_cmac.rx_pn[j] = in ieee80211_key_alloc()
632 key->u.aes_cmac.tfm = in ieee80211_key_alloc()
634 if (IS_ERR(key->u.aes_cmac.tfm)) { in ieee80211_key_alloc()
635 err = PTR_ERR(key->u.aes_cmac.tfm); in ieee80211_key_alloc()
636 kfree(key); in ieee80211_key_alloc()
642 key->conf.iv_len = 0; in ieee80211_key_alloc()
643 key->conf.icv_len = sizeof(struct ieee80211_mmie_16); in ieee80211_key_alloc()
646 key->u.aes_gmac.rx_pn[j] = in ieee80211_key_alloc()
651 key->u.aes_gmac.tfm = in ieee80211_key_alloc()
653 if (IS_ERR(key->u.aes_gmac.tfm)) { in ieee80211_key_alloc()
654 err = PTR_ERR(key->u.aes_gmac.tfm); in ieee80211_key_alloc()
655 kfree(key); in ieee80211_key_alloc()
661 key->conf.iv_len = IEEE80211_GCMP_HDR_LEN; in ieee80211_key_alloc()
662 key->conf.icv_len = IEEE80211_GCMP_MIC_LEN; in ieee80211_key_alloc()
665 key->u.gcmp.rx_pn[i][j] = in ieee80211_key_alloc()
670 key->u.gcmp.tfm = ieee80211_aes_gcm_key_setup_encrypt(key_data, in ieee80211_key_alloc()
672 if (IS_ERR(key->u.gcmp.tfm)) { in ieee80211_key_alloc()
673 err = PTR_ERR(key->u.gcmp.tfm); in ieee80211_key_alloc()
674 kfree(key); in ieee80211_key_alloc()
681 kfree(key); in ieee80211_key_alloc()
685 key->conf.iv_len = cs->hdr_len; in ieee80211_key_alloc()
686 key->conf.icv_len = cs->mic_len; in ieee80211_key_alloc()
689 key->u.gen.rx_pn[i][j] = in ieee80211_key_alloc()
691 key->flags |= KEY_FLAG_CIPHER_SCHEME; in ieee80211_key_alloc()
694 memcpy(key->conf.key, key_data, key_len); in ieee80211_key_alloc()
695 INIT_LIST_HEAD(&key->list); in ieee80211_key_alloc()
697 return key; in ieee80211_key_alloc()
700 static void ieee80211_key_free_common(struct ieee80211_key *key) in ieee80211_key_free_common() argument
702 switch (key->conf.cipher) { in ieee80211_key_free_common()
705 ieee80211_aes_key_free(key->u.ccmp.tfm); in ieee80211_key_free_common()
709 ieee80211_aes_cmac_key_free(key->u.aes_cmac.tfm); in ieee80211_key_free_common()
713 ieee80211_aes_gmac_key_free(key->u.aes_gmac.tfm); in ieee80211_key_free_common()
717 ieee80211_aes_gcm_key_free(key->u.gcmp.tfm); in ieee80211_key_free_common()
720 kfree_sensitive(key); in ieee80211_key_free_common()
723 static void __ieee80211_key_destroy(struct ieee80211_key *key, in __ieee80211_key_destroy() argument
726 if (key->local) { in __ieee80211_key_destroy()
727 struct ieee80211_sub_if_data *sdata = key->sdata; in __ieee80211_key_destroy()
729 ieee80211_debugfs_key_remove(key); in __ieee80211_key_destroy()
741 ieee80211_key_free_common(key); in __ieee80211_key_destroy()
744 static void ieee80211_key_destroy(struct ieee80211_key *key, in ieee80211_key_destroy() argument
747 if (!key) in ieee80211_key_destroy()
756 __ieee80211_key_destroy(key, delay_tailroom); in ieee80211_key_destroy()
759 void ieee80211_key_free_unused(struct ieee80211_key *key) in ieee80211_key_free_unused() argument
761 WARN_ON(key->sdata || key->local); in ieee80211_key_free_unused()
762 ieee80211_key_free_common(key); in ieee80211_key_free_unused()
775 tk_old = old->conf.key; in ieee80211_key_identical()
776 tk_new = new->conf.key; in ieee80211_key_identical()
798 int ieee80211_key_link(struct ieee80211_key *key, in ieee80211_key_link() argument
804 int idx = key->conf.keyidx; in ieee80211_key_link()
805 bool pairwise = key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE; in ieee80211_key_link()
825 if ((alt_key && alt_key->conf.cipher != key->conf.cipher) || in ieee80211_key_link()
826 (old_key && old_key->conf.cipher != key->conf.cipher)) in ieee80211_key_link()
836 if (old_key && old_key->conf.cipher != key->conf.cipher) in ieee80211_key_link()
844 if (ieee80211_key_identical(sdata, old_key, key)) { in ieee80211_key_link()
845 ieee80211_key_free_unused(key); in ieee80211_key_link()
850 key->local = sdata->local; in ieee80211_key_link()
851 key->sdata = sdata; in ieee80211_key_link()
852 key->sta = sta; in ieee80211_key_link()
858 key->color = atomic_inc_return(&key_color); in ieee80211_key_link()
862 ret = ieee80211_key_replace(sdata, sta, pairwise, old_key, key); in ieee80211_key_link()
865 ieee80211_debugfs_key_add(key); in ieee80211_key_link()
868 ieee80211_key_free(key, delay_tailroom); in ieee80211_key_link()
877 void ieee80211_key_free(struct ieee80211_key *key, bool delay_tailroom) in ieee80211_key_free() argument
879 if (!key) in ieee80211_key_free()
885 if (key->sdata) in ieee80211_key_free()
886 ieee80211_key_replace(key->sdata, key->sta, in ieee80211_key_free()
887 key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE, in ieee80211_key_free()
888 key, NULL); in ieee80211_key_free()
889 ieee80211_key_destroy(key, delay_tailroom); in ieee80211_key_free()
894 struct ieee80211_key *key; in ieee80211_reenable_keys() local
912 list_for_each_entry(key, &sdata->key_list, list) { in ieee80211_reenable_keys()
914 ieee80211_key_enable_hw_accel(key); in ieee80211_reenable_keys()
926 struct ieee80211_key_conf *key, in ieee80211_iter_keys() argument
931 struct ieee80211_key *key, *tmp; in ieee80211_iter_keys() local
939 list_for_each_entry_safe(key, tmp, &sdata->key_list, list) in ieee80211_iter_keys()
941 key->sta ? &key->sta->sta : NULL, in ieee80211_iter_keys()
942 &key->conf, iter_data); in ieee80211_iter_keys()
945 list_for_each_entry_safe(key, tmp, in ieee80211_iter_keys()
948 key->sta ? &key->sta->sta : NULL, in ieee80211_iter_keys()
949 &key->conf, iter_data); in ieee80211_iter_keys()
961 struct ieee80211_key_conf *key, in _ieee80211_iter_keys_rcu() argument
965 struct ieee80211_key *key; in _ieee80211_iter_keys_rcu() local
967 list_for_each_entry_rcu(key, &sdata->key_list, list) { in _ieee80211_iter_keys_rcu()
969 if (key->sta && key->sta->removed) in _ieee80211_iter_keys_rcu()
971 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)) in _ieee80211_iter_keys_rcu()
975 key->sta ? &key->sta->sta : NULL, in _ieee80211_iter_keys_rcu()
976 &key->conf, iter_data); in _ieee80211_iter_keys_rcu()
985 struct ieee80211_key_conf *key, in ieee80211_iter_keys_rcu() argument
1005 struct ieee80211_key *key, *tmp; in ieee80211_free_keys_iface() local
1014 list_for_each_entry_safe(key, tmp, &sdata->key_list, list) { in ieee80211_free_keys_iface()
1015 ieee80211_key_replace(key->sdata, key->sta, in ieee80211_free_keys_iface()
1016 key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE, in ieee80211_free_keys_iface()
1017 key, NULL); in ieee80211_free_keys_iface()
1018 list_add_tail(&key->list, keys); in ieee80211_free_keys_iface()
1030 struct ieee80211_key *key, *tmp; in ieee80211_free_keys() local
1046 list_for_each_entry_safe(key, tmp, &keys, list) in ieee80211_free_keys()
1047 __ieee80211_key_destroy(key, false); in ieee80211_free_keys()
1075 struct ieee80211_key *key; in ieee80211_free_sta_keys() local
1080 key = key_mtx_dereference(local, sta->gtk[i]); in ieee80211_free_sta_keys()
1081 if (!key) in ieee80211_free_sta_keys()
1083 ieee80211_key_replace(key->sdata, key->sta, in ieee80211_free_sta_keys()
1084 key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE, in ieee80211_free_sta_keys()
1085 key, NULL); in ieee80211_free_sta_keys()
1086 __ieee80211_key_destroy(key, key->sdata->vif.type == in ieee80211_free_sta_keys()
1091 key = key_mtx_dereference(local, sta->ptk[i]); in ieee80211_free_sta_keys()
1092 if (!key) in ieee80211_free_sta_keys()
1094 ieee80211_key_replace(key->sdata, key->sta, in ieee80211_free_sta_keys()
1095 key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE, in ieee80211_free_sta_keys()
1096 key, NULL); in ieee80211_free_sta_keys()
1097 __ieee80211_key_destroy(key, key->sdata->vif.type == in ieee80211_free_sta_keys()
1148 struct ieee80211_key *key; in ieee80211_get_key_rx_seq() local
1151 key = container_of(keyconf, struct ieee80211_key, conf); in ieee80211_get_key_rx_seq()
1153 switch (key->conf.cipher) { in ieee80211_get_key_rx_seq()
1157 seq->tkip.iv32 = key->u.tkip.rx[tid].iv32; in ieee80211_get_key_rx_seq()
1158 seq->tkip.iv16 = key->u.tkip.rx[tid].iv16; in ieee80211_get_key_rx_seq()
1165 pn = key->u.ccmp.rx_pn[IEEE80211_NUM_TIDS]; in ieee80211_get_key_rx_seq()
1167 pn = key->u.ccmp.rx_pn[tid]; in ieee80211_get_key_rx_seq()
1174 pn = key->u.aes_cmac.rx_pn; in ieee80211_get_key_rx_seq()
1181 pn = key->u.aes_gmac.rx_pn; in ieee80211_get_key_rx_seq()
1189 pn = key->u.gcmp.rx_pn[IEEE80211_NUM_TIDS]; in ieee80211_get_key_rx_seq()
1191 pn = key->u.gcmp.rx_pn[tid]; in ieee80211_get_key_rx_seq()
1201 struct ieee80211_key *key; in ieee80211_set_key_rx_seq() local
1204 key = container_of(keyconf, struct ieee80211_key, conf); in ieee80211_set_key_rx_seq()
1206 switch (key->conf.cipher) { in ieee80211_set_key_rx_seq()
1210 key->u.tkip.rx[tid].iv32 = seq->tkip.iv32; in ieee80211_set_key_rx_seq()
1211 key->u.tkip.rx[tid].iv16 = seq->tkip.iv16; in ieee80211_set_key_rx_seq()
1218 pn = key->u.ccmp.rx_pn[IEEE80211_NUM_TIDS]; in ieee80211_set_key_rx_seq()
1220 pn = key->u.ccmp.rx_pn[tid]; in ieee80211_set_key_rx_seq()
1227 pn = key->u.aes_cmac.rx_pn; in ieee80211_set_key_rx_seq()
1234 pn = key->u.aes_gmac.rx_pn; in ieee80211_set_key_rx_seq()
1242 pn = key->u.gcmp.rx_pn[IEEE80211_NUM_TIDS]; in ieee80211_set_key_rx_seq()
1244 pn = key->u.gcmp.rx_pn[tid]; in ieee80211_set_key_rx_seq()
1256 struct ieee80211_key *key; in ieee80211_remove_key() local
1258 key = container_of(keyconf, struct ieee80211_key, conf); in ieee80211_remove_key()
1260 assert_key_lock(key->local); in ieee80211_remove_key()
1266 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) { in ieee80211_remove_key()
1267 key->flags &= ~KEY_FLAG_UPLOADED_TO_HARDWARE; in ieee80211_remove_key()
1269 if (!(key->conf.flags & (IEEE80211_KEY_FLAG_GENERATE_MMIC | in ieee80211_remove_key()
1272 increment_tailroom_need_count(key->sdata); in ieee80211_remove_key()
1275 ieee80211_key_free(key, false); in ieee80211_remove_key()
1285 struct ieee80211_key *key; in ieee80211_gtk_rekey_add() local
1294 key = ieee80211_key_alloc(keyconf->cipher, keyconf->keyidx, in ieee80211_gtk_rekey_add()
1295 keyconf->keylen, keyconf->key, in ieee80211_gtk_rekey_add()
1297 if (IS_ERR(key)) in ieee80211_gtk_rekey_add()
1298 return ERR_CAST(key); in ieee80211_gtk_rekey_add()
1301 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; in ieee80211_gtk_rekey_add()
1303 err = ieee80211_key_link(key, sdata, NULL); in ieee80211_gtk_rekey_add()
1307 return &key->conf; in ieee80211_gtk_rekey_add()
1313 struct ieee80211_key *key; in ieee80211_key_mic_failure() local
1315 key = container_of(keyconf, struct ieee80211_key, conf); in ieee80211_key_mic_failure()
1317 switch (key->conf.cipher) { in ieee80211_key_mic_failure()
1320 key->u.aes_cmac.icverrors++; in ieee80211_key_mic_failure()
1324 key->u.aes_gmac.icverrors++; in ieee80211_key_mic_failure()
1335 struct ieee80211_key *key; in ieee80211_key_replay() local
1337 key = container_of(keyconf, struct ieee80211_key, conf); in ieee80211_key_replay()
1339 switch (key->conf.cipher) { in ieee80211_key_replay()
1342 key->u.ccmp.replays++; in ieee80211_key_replay()
1346 key->u.aes_cmac.replays++; in ieee80211_key_replay()
1350 key->u.aes_gmac.replays++; in ieee80211_key_replay()
1354 key->u.gcmp.replays++; in ieee80211_key_replay()