diff options
-rw-r--r-- | drivers/net/wireless/ath/ath10k/core.h | 4 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath10k/mac.c | 161 |
2 files changed, 72 insertions, 93 deletions
diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h index abb32037c3f7..a47b41dd966f 100644 --- a/drivers/net/wireless/ath/ath10k/core.h +++ b/drivers/net/wireless/ath/ath10k/core.h @@ -285,10 +285,8 @@ struct ath10k_vif { u32 aid; u8 bssid[ETH_ALEN]; - struct work_struct wep_key_work; struct ieee80211_key_conf *wep_keys[WMI_MAX_KEY_INDEX + 1]; - u8 def_wep_key_idx; - u8 def_wep_key_newidx; + s8 def_wep_key_idx; u16 tx_seq_no; diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index f9440deffa26..d3fe1a378e8b 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -37,7 +37,7 @@ static int ath10k_send_key(struct ath10k_vif *arvif, struct ieee80211_key_conf *key, enum set_key_cmd cmd, - const u8 *macaddr) + const u8 *macaddr, bool def_idx) { struct ath10k *ar = arvif->ar; struct wmi_vdev_install_key_arg arg = { @@ -72,6 +72,9 @@ static int ath10k_send_key(struct ath10k_vif *arvif, * Otherwise pairwise key must be set */ if (memcmp(macaddr, arvif->vif->addr, ETH_ALEN)) arg.key_flags = WMI_KEY_PAIRWISE; + + if (def_idx) + arg.key_flags |= WMI_KEY_TX_USAGE; break; default: ath10k_warn(ar, "cipher %d is not supported\n", key->cipher); @@ -89,7 +92,7 @@ static int ath10k_send_key(struct ath10k_vif *arvif, static int ath10k_install_key(struct ath10k_vif *arvif, struct ieee80211_key_conf *key, enum set_key_cmd cmd, - const u8 *macaddr) + const u8 *macaddr, bool def_idx) { struct ath10k *ar = arvif->ar; int ret; @@ -98,7 +101,7 @@ static int ath10k_install_key(struct ath10k_vif *arvif, reinit_completion(&ar->install_key_done); - ret = ath10k_send_key(arvif, key, cmd, macaddr); + ret = ath10k_send_key(arvif, key, cmd, macaddr, def_idx); if (ret) return ret; @@ -116,6 +119,7 @@ static int ath10k_install_peer_wep_keys(struct ath10k_vif *arvif, struct ath10k_peer *peer; int ret; int i; + bool def_idx; lockdep_assert_held(&ar->conf_mutex); @@ -129,9 +133,14 @@ static int ath10k_install_peer_wep_keys(struct ath10k_vif *arvif, for (i = 0; i < ARRAY_SIZE(arvif->wep_keys); i++) { if (arvif->wep_keys[i] == NULL) continue; + /* set TX_USAGE flag for default key id */ + if (arvif->def_wep_key_idx == i) + def_idx = true; + else + def_idx = false; ret = ath10k_install_key(arvif, arvif->wep_keys[i], SET_KEY, - addr); + addr, def_idx); if (ret) return ret; @@ -165,8 +174,9 @@ static int ath10k_clear_peer_keys(struct ath10k_vif *arvif, if (peer->keys[i] == NULL) continue; + /* key flags are not required to delete the key */ ret = ath10k_install_key(arvif, peer->keys[i], - DISABLE_KEY, addr); + DISABLE_KEY, addr, false); if (ret && first_errno == 0) first_errno = ret; @@ -240,8 +250,8 @@ static int ath10k_clear_vdev_key(struct ath10k_vif *arvif, if (i == ARRAY_SIZE(peer->keys)) break; - - ret = ath10k_install_key(arvif, key, DISABLE_KEY, addr); + /* key flags are not required to delete the key */ + ret = ath10k_install_key(arvif, key, DISABLE_KEY, addr, false); if (ret && first_errno == 0) first_errno = ret; @@ -1855,7 +1865,8 @@ static void ath10k_bss_disassoc(struct ieee80211_hw *hw, ath10k_warn(ar, "faield to down vdev %i: %d\n", arvif->vdev_id, ret); - arvif->def_wep_key_idx = 0; + arvif->def_wep_key_idx = -1; + arvif->is_up = false; } @@ -1914,11 +1925,14 @@ static int ath10k_station_assoc(struct ath10k *ar, } } - ret = ath10k_install_peer_wep_keys(arvif, sta->addr); - if (ret) { - ath10k_warn(ar, "failed to install peer wep keys for vdev %i: %d\n", - arvif->vdev_id, ret); - return ret; + /* Plumb cached keys only for static WEP */ + if (arvif->def_wep_key_idx != -1) { + ret = ath10k_install_peer_wep_keys(arvif, sta->addr); + if (ret) { + ath10k_warn(ar, "failed to install peer wep keys for vdev %i: %d\n", + arvif->vdev_id, ret); + return ret; + } } } @@ -2190,69 +2204,6 @@ static void ath10k_tx_h_nwifi(struct ieee80211_hw *hw, struct sk_buff *skb) } } -static void ath10k_tx_wep_key_work(struct work_struct *work) -{ - struct ath10k_vif *arvif = container_of(work, struct ath10k_vif, - wep_key_work); - struct ath10k *ar = arvif->ar; - int ret, keyidx = arvif->def_wep_key_newidx; - - mutex_lock(&arvif->ar->conf_mutex); - - if (arvif->ar->state != ATH10K_STATE_ON) - goto unlock; - - if (arvif->def_wep_key_idx == keyidx) - goto unlock; - - ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d set keyidx %d\n", - arvif->vdev_id, keyidx); - - ret = ath10k_wmi_vdev_set_param(arvif->ar, - arvif->vdev_id, - arvif->ar->wmi.vdev_param->def_keyid, - keyidx); - if (ret) { - ath10k_warn(ar, "failed to update wep key index for vdev %d: %d\n", - arvif->vdev_id, - ret); - goto unlock; - } - - arvif->def_wep_key_idx = keyidx; - -unlock: - mutex_unlock(&arvif->ar->conf_mutex); -} - -static void ath10k_tx_h_update_wep_key(struct ieee80211_vif *vif, - struct ieee80211_key_conf *key, - struct sk_buff *skb) -{ - struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); - struct ath10k *ar = arvif->ar; - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; - - if (!ieee80211_has_protected(hdr->frame_control)) - return; - - if (!key) - return; - - if (key->cipher != WLAN_CIPHER_SUITE_WEP40 && - key->cipher != WLAN_CIPHER_SUITE_WEP104) - return; - - if (key->keyidx == arvif->def_wep_key_idx) - return; - - /* FIXME: Most likely a few frames will be TXed with an old key. Simply - * queueing frames until key index is updated is not an option because - * sk_buff may need more processing to be done, e.g. offchannel */ - arvif->def_wep_key_newidx = key->keyidx; - ieee80211_queue_work(ar->hw, &arvif->wep_key_work); -} - static void ath10k_tx_h_add_p2p_noa_ie(struct ath10k *ar, struct ieee80211_vif *vif, struct sk_buff *skb) @@ -2613,7 +2564,6 @@ static void ath10k_tx(struct ieee80211_hw *hw, struct ath10k *ar = hw->priv; struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); struct ieee80211_vif *vif = info->control.vif; - struct ieee80211_key_conf *key = info->control.hw_key; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; /* We should disable CCK RATE due to P2P */ @@ -2627,7 +2577,6 @@ static void ath10k_tx(struct ieee80211_hw *hw, /* it makes no sense to process injected frames like that */ if (vif && vif->type != NL80211_IFTYPE_MONITOR) { ath10k_tx_h_nwifi(hw, skb); - ath10k_tx_h_update_wep_key(vif, key, skb); ath10k_tx_h_add_p2p_noa_ie(ar, vif, skb); ath10k_tx_h_seq_no(vif, skb); } @@ -3132,7 +3081,6 @@ static int ath10k_add_interface(struct ieee80211_hw *hw, arvif->ar = ar; arvif->vif = vif; - INIT_WORK(&arvif->wep_key_work, ath10k_tx_wep_key_work); INIT_LIST_HEAD(&arvif->list); if (ar->free_vdev_map == 0) { @@ -3231,14 +3179,7 @@ static int ath10k_add_interface(struct ieee80211_hw *hw, goto err_vdev_delete; } - vdev_param = ar->wmi.vdev_param->def_keyid; - ret = ath10k_wmi_vdev_set_param(ar, 0, vdev_param, - arvif->def_wep_key_idx); - if (ret) { - ath10k_warn(ar, "failed to set vdev %i default key id: %d\n", - arvif->vdev_id, ret); - goto err_vdev_delete; - } + arvif->def_wep_key_idx = -1; vdev_param = ar->wmi.vdev_param->tx_encap_type; ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, @@ -3358,8 +3299,6 @@ static void ath10k_remove_interface(struct ieee80211_hw *hw, struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); int ret; - cancel_work_sync(&arvif->wep_key_work); - mutex_lock(&ar->conf_mutex); spin_lock_bh(&ar->data_lock); @@ -3731,6 +3670,7 @@ static int ath10k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, const u8 *peer_addr; bool is_wep = key->cipher == WLAN_CIPHER_SUITE_WEP40 || key->cipher == WLAN_CIPHER_SUITE_WEP104; + bool def_idx = false; int ret = 0; if (key->keyidx > WMI_MAX_KEY_INDEX) @@ -3776,7 +3716,14 @@ static int ath10k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, ath10k_clear_vdev_key(arvif, key); } - ret = ath10k_install_key(arvif, key, cmd, peer_addr); + /* set TX_USAGE flag for all the keys incase of dot1x-WEP. For + * static WEP, do not set this flag for the keys whose key id + * is greater than default key id. + */ + if (arvif->def_wep_key_idx == -1) + def_idx = true; + + ret = ath10k_install_key(arvif, key, cmd, peer_addr, def_idx); if (ret) { ath10k_warn(ar, "failed to install key for vdev %i peer %pM: %d\n", arvif->vdev_id, peer_addr, ret); @@ -3801,6 +3748,39 @@ exit: return ret; } +static void ath10k_set_default_unicast_key(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + int keyidx) +{ + struct ath10k *ar = hw->priv; + struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); + int ret; + + mutex_lock(&arvif->ar->conf_mutex); + + if (arvif->ar->state != ATH10K_STATE_ON) + goto unlock; + + ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d set keyidx %d\n", + arvif->vdev_id, keyidx); + + ret = ath10k_wmi_vdev_set_param(arvif->ar, + arvif->vdev_id, + arvif->ar->wmi.vdev_param->def_keyid, + keyidx); + + if (ret) { + ath10k_warn(ar, "failed to update wep key index for vdev %d: %d\n", + arvif->vdev_id, + ret); + goto unlock; + } + + arvif->def_wep_key_idx = keyidx; +unlock: + mutex_unlock(&arvif->ar->conf_mutex); +} + static void ath10k_sta_rc_update_wk(struct work_struct *wk) { struct ath10k *ar; @@ -4966,6 +4946,7 @@ static const struct ieee80211_ops ath10k_ops = { .hw_scan = ath10k_hw_scan, .cancel_hw_scan = ath10k_cancel_hw_scan, .set_key = ath10k_set_key, + .set_default_unicast_key = ath10k_set_default_unicast_key, .sta_state = ath10k_sta_state, .conf_tx = ath10k_conf_tx, .remain_on_channel = ath10k_remain_on_channel, |