diff options
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/d3.c | 68 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c | 4 |
2 files changed, 34 insertions, 38 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c index e6806ef56e73..8930f8e3c0de 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c @@ -1795,17 +1795,8 @@ static void iwl_mvm_set_key_rx_seq(struct ieee80211_key_conf *key, if (!status->gtk_seq[i].valid) continue; - if (status->gtk_seq[i].key_id == key->keyidx) { - s8 new_key_id = -1; - - if (status->num_of_gtk_rekeys) - new_key_id = status->gtk[0].flags & - IWL_WOWLAN_GTK_IDX_MASK; - - /* Don't install a new key's value to an old key */ - if (new_key_id != key->keyidx) - iwl_mvm_set_key_rx_seq_idx(key, status, i); - } + if (status->gtk_seq[i].key_id == key->keyidx) + iwl_mvm_set_key_rx_seq_idx(key, status, i); } } @@ -1894,17 +1885,10 @@ iwl_mvm_d3_update_igtk_bigtk(struct iwl_wowlan_status_data *status, struct ieee80211_key_conf *key, struct iwl_multicast_key_data *key_data) { - if (status->num_of_gtk_rekeys && key_data->len) { - /* remove rekeyed key */ - ieee80211_remove_key(key); - } else { - struct ieee80211_key_seq seq; + struct ieee80211_key_seq seq; - iwl_mvm_d3_set_igtk_bigtk_ipn(key_data, - &seq, - key->cipher); - ieee80211_set_key_rx_seq(key, 0, &seq); - } + iwl_mvm_d3_set_igtk_bigtk_ipn(key_data, &seq, key->cipher); + ieee80211_set_key_rx_seq(key, 0, &seq); } static void iwl_mvm_d3_update_keys(struct ieee80211_hw *hw, @@ -1945,18 +1929,13 @@ static void iwl_mvm_d3_update_keys(struct ieee80211_hw *hw, return; } keyidx = key->keyidx; - /* The current key is always sent by the FW, even if it wasn't - * rekeyed during D3. - * We remove an existing key if it has the same index as - * a new key + /* + * Update the seq even if there was a rekey. If there was a + * rekey, we will update again after replacing the key */ - if (status->num_of_gtk_rekeys && - ((status->gtk[0].len && keyidx == status->gtk[0].id) || - (status->gtk[1].len && keyidx == status->gtk[1].id))) { - ieee80211_remove_key(key); - } else { - iwl_mvm_set_key_rx_seq(key, data->status); - } + if ((status->gtk[0].len && keyidx == status->gtk[0].id) || + (status->gtk[1].len && keyidx == status->gtk[1].id)) + iwl_mvm_set_key_rx_seq(key, status); break; case WLAN_CIPHER_SUITE_BIP_GMAC_128: case WLAN_CIPHER_SUITE_BIP_GMAC_256: @@ -2020,8 +1999,12 @@ static bool iwl_mvm_gtk_rekey(struct iwl_wowlan_status_data *status, sizeof(status->gtk[i].key)); key = ieee80211_gtk_rekey_add(vif, conf, link_id); - if (IS_ERR(key)) + if (IS_ERR(key)) { + /* FW may send also the old keys */ + if (PTR_ERR(key) == -EALREADY) + continue; return false; + } for (j = 0; j < ARRAY_SIZE(status->gtk_seq); j++) { if (!status->gtk_seq[j].valid || @@ -2041,14 +2024,16 @@ iwl_mvm_d3_igtk_bigtk_rekey_add(struct iwl_wowlan_status_data *status, struct ieee80211_vif *vif, u32 cipher, struct iwl_multicast_key_data *key_data) { + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); DEFINE_RAW_FLEX(struct ieee80211_key_conf, conf, key, WOWLAN_KEY_MAX_SIZE); struct ieee80211_key_conf *key_config; struct ieee80211_key_seq seq; int link_id = vif->active_links ? __ffs(vif->active_links) : -1; + s8 keyidx = key_data->id; conf->cipher = cipher; - conf->keyidx = key_data->id; + conf->keyidx = keyidx; if (!key_data->len) return true; @@ -2075,19 +2060,26 @@ iwl_mvm_d3_igtk_bigtk_rekey_add(struct iwl_wowlan_status_data *status, memcpy(conf->key, key_data->key, conf->keylen); key_config = ieee80211_gtk_rekey_add(vif, conf, link_id); - if (IS_ERR(key_config)) - return false; + if (IS_ERR(key_config)) { + /* FW may send also the old keys */ + return PTR_ERR(key_config) == -EALREADY; + } ieee80211_set_key_rx_seq(key_config, 0, &seq); - if (key_config->keyidx == 4 || key_config->keyidx == 5) { - struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + if (keyidx == 4 || keyidx == 5) { struct iwl_mvm_vif_link_info *mvm_link; link_id = link_id < 0 ? 0 : link_id; mvm_link = mvmvif->link[link_id]; + if (mvm_link->igtk) + mvm_link->igtk->hw_key_idx = STA_KEY_IDX_INVALID; mvm_link->igtk = key_config; } + if (vif->type == NL80211_IFTYPE_STATION && (keyidx == 6 || keyidx == 7)) + rcu_assign_pointer(mvmvif->bcn_prot.keys[keyidx - 6], + key_config); + return true; } diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index c16946950a8a..28a4630964d6 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -4612,6 +4612,10 @@ int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, { struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + /* When resuming from wowlan, FW already knows about the newest keys */ + if (test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status)) + return 0; + guard(mvm)(mvm); return __iwl_mvm_mac_set_key(hw, cmd, vif, sta, key); } |