diff options
Diffstat (limited to 'net/mac80211/cfg.c')
| -rw-r--r-- | net/mac80211/cfg.c | 76 |
1 files changed, 61 insertions, 15 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 3acda35df5cb..66ad9d9af87f 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -746,10 +746,11 @@ static void ieee80211_send_layer2_update(struct sta_info *sta) netif_rx_ni(skb); } -static void sta_apply_parameters(struct ieee80211_local *local, - struct sta_info *sta, - struct station_parameters *params) +static int sta_apply_parameters(struct ieee80211_local *local, + struct sta_info *sta, + struct station_parameters *params) { + int ret = 0; u32 rates; int i, j; struct ieee80211_supported_band *sband; @@ -761,13 +762,59 @@ static void sta_apply_parameters(struct ieee80211_local *local, mask = params->sta_flags_mask; set = params->sta_flags_set; + /* + * In mesh mode, we can clear AUTHENTICATED flag but must + * also make ASSOCIATED follow appropriately for the driver + * API. See also below, after AUTHORIZED changes. + */ + if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) { + /* cfg80211 should not allow this in non-mesh modes */ + if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif))) + return -EINVAL; + + if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED) && + !test_sta_flag(sta, WLAN_STA_AUTH)) { + ret = sta_info_move_state_checked(sta, + IEEE80211_STA_AUTH); + if (ret) + return ret; + ret = sta_info_move_state_checked(sta, + IEEE80211_STA_ASSOC); + if (ret) + return ret; + } + } + if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) - set_sta_flag(sta, WLAN_STA_AUTHORIZED); + ret = sta_info_move_state_checked(sta, + IEEE80211_STA_AUTHORIZED); else - clear_sta_flag(sta, WLAN_STA_AUTHORIZED); + ret = sta_info_move_state_checked(sta, + IEEE80211_STA_ASSOC); + if (ret) + return ret; } + if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) { + /* cfg80211 should not allow this in non-mesh modes */ + if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif))) + return -EINVAL; + + if (!(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) && + test_sta_flag(sta, WLAN_STA_AUTH)) { + ret = sta_info_move_state_checked(sta, + IEEE80211_STA_AUTH); + if (ret) + return ret; + ret = sta_info_move_state_checked(sta, + IEEE80211_STA_NONE); + if (ret) + return ret; + } + } + + if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); @@ -792,13 +839,6 @@ static void sta_apply_parameters(struct ieee80211_local *local, clear_sta_flag(sta, WLAN_STA_MFP); } - if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) { - if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) - set_sta_flag(sta, WLAN_STA_AUTH); - else - clear_sta_flag(sta, WLAN_STA_AUTH); - } - if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) { if (set & BIT(NL80211_STA_FLAG_TDLS_PEER)) set_sta_flag(sta, WLAN_STA_TDLS_PEER); @@ -870,6 +910,8 @@ static void sta_apply_parameters(struct ieee80211_local *local, } #endif } + + return 0; } static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, @@ -900,10 +942,14 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, if (!sta) return -ENOMEM; - set_sta_flag(sta, WLAN_STA_AUTH); - set_sta_flag(sta, WLAN_STA_ASSOC); + sta_info_move_state(sta, IEEE80211_STA_AUTH); + sta_info_move_state(sta, IEEE80211_STA_ASSOC); - sta_apply_parameters(local, sta, params); + err = sta_apply_parameters(local, sta, params); + if (err) { + sta_info_free(local, sta); + return err; + } /* * for TDLS, rate control should be initialized only when supported |