diff options
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn-rxon.c | 39 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-sta.c | 51 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-sta.h | 1 |
3 files changed, 69 insertions, 22 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c index fbaa8d2..9db3924 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c @@ -97,6 +97,7 @@ int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx) /* cast away the const for active_rxon in this function */ struct iwl_rxon_cmd *active = (void *)&ctx->active; bool new_assoc = !!(ctx->staging.filter_flags & RXON_FILTER_ASSOC_MSK); + bool old_assoc = !!(ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK); int ret; lockdep_assert_held(&priv->mutex); @@ -176,25 +177,27 @@ int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx) * AP station must be done after the BSSID is set to correctly * set up filters in the device. */ - if (ctx->ctxid == IWL_RXON_CTX_BSS) - ret = iwlagn_disable_bss(priv, ctx, &ctx->staging); - else - ret = iwlagn_disable_pan(priv, ctx, &ctx->staging); - if (ret) - return ret; + if ((old_assoc && new_assoc) || !new_assoc) { + if (ctx->ctxid == IWL_RXON_CTX_BSS) + ret = iwlagn_disable_bss(priv, ctx, &ctx->staging); + else + ret = iwlagn_disable_pan(priv, ctx, &ctx->staging); + if (ret) + return ret; - memcpy(active, &ctx->staging, sizeof(*active)); + memcpy(active, &ctx->staging, sizeof(*active)); - /* - * Un-assoc RXON clears the station table and WEP - * keys, so we have to restore those afterwards. - */ - iwl_clear_ucode_stations(priv, ctx); - iwl_restore_stations(priv, ctx); - ret = iwl_restore_default_wep_keys(priv, ctx); - if (ret) { - IWL_ERR(priv, "Failed to restore WEP keys (%d)\n", ret); - return ret; + /* + * Un-assoc RXON clears the station table and WEP + * keys, so we have to restore those afterwards. + */ + iwl_clear_ucode_stations(priv, ctx); + iwl_restore_stations(priv, ctx); + ret = iwl_restore_default_wep_keys(priv, ctx); + if (ret) { + IWL_ERR(priv, "Failed to restore WEP keys (%d)\n", ret); + return ret; + } } /* RXON timing must be before associated RXON */ @@ -235,6 +238,8 @@ int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx) } memcpy(active, &ctx->staging, sizeof(*active)); + iwl_reprogram_ap_sta(priv, ctx); + /* IBSS beacon needs to be sent after setting assoc */ if (ctx->vif && (ctx->vif->type == NL80211_IFTYPE_ADHOC)) if (iwlagn_update_beacon(priv, ctx->vif)) diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c index 7c7f7dc..0a67b2f 100644 --- a/drivers/net/wireless/iwlwifi/iwl-sta.c +++ b/drivers/net/wireless/iwlwifi/iwl-sta.c @@ -400,7 +400,8 @@ static void iwl_sta_ucode_deactivate(struct iwl_priv *priv, u8 sta_id) } static int iwl_send_remove_station(struct iwl_priv *priv, - const u8 *addr, int sta_id) + const u8 *addr, int sta_id, + bool temporary) { struct iwl_rx_packet *pkt; int ret; @@ -436,9 +437,11 @@ static int iwl_send_remove_station(struct iwl_priv *priv, if (!ret) { switch (pkt->u.rem_sta.status) { case REM_STA_SUCCESS_MSK: - spin_lock_irqsave(&priv->sta_lock, flags_spin); - iwl_sta_ucode_deactivate(priv, sta_id); - spin_unlock_irqrestore(&priv->sta_lock, flags_spin); + if (!temporary) { + spin_lock_irqsave(&priv->sta_lock, flags_spin); + iwl_sta_ucode_deactivate(priv, sta_id); + spin_unlock_irqrestore(&priv->sta_lock, flags_spin); + } IWL_DEBUG_ASSOC(priv, "REPLY_REMOVE_STA PASSED\n"); break; default: @@ -505,7 +508,7 @@ int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id, spin_unlock_irqrestore(&priv->sta_lock, flags); - return iwl_send_remove_station(priv, addr, sta_id); + return iwl_send_remove_station(priv, addr, sta_id, false); out_err: spin_unlock_irqrestore(&priv->sta_lock, flags); return -EINVAL; @@ -624,6 +627,44 @@ void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx) } EXPORT_SYMBOL(iwl_restore_stations); +void iwl_reprogram_ap_sta(struct iwl_priv *priv, struct iwl_rxon_context *ctx) +{ + unsigned long flags; + int sta_id = ctx->ap_sta_id; + int ret; + struct iwl_addsta_cmd sta_cmd; + struct iwl_link_quality_cmd lq; + bool active; + + spin_lock_irqsave(&priv->sta_lock, flags); + if (!(priv->stations[sta_id].used & IWL_STA_DRIVER_ACTIVE)) { + spin_unlock_irqrestore(&priv->sta_lock, flags); + return; + } + + memcpy(&sta_cmd, &priv->stations[sta_id].sta, sizeof(sta_cmd)); + sta_cmd.mode = 0; + memcpy(&lq, priv->stations[sta_id].lq, sizeof(lq)); + + active = priv->stations[sta_id].used & IWL_STA_UCODE_ACTIVE; + spin_unlock_irqrestore(&priv->sta_lock, flags); + + if (active) { + ret = iwl_send_remove_station( + priv, priv->stations[sta_id].sta.sta.addr, + sta_id, true); + if (ret) + IWL_ERR(priv, "failed to remove STA %pM (%d)\n", + priv->stations[sta_id].sta.sta.addr, ret); + } + ret = iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC); + if (ret) + IWL_ERR(priv, "failed to re-add STA %pM (%d)\n", + priv->stations[sta_id].sta.sta.addr, ret); + iwl_send_lq_cmd(priv, ctx, &lq, CMD_SYNC, true); +} +EXPORT_SYMBOL(iwl_reprogram_ap_sta); + int iwl_get_free_ucode_key_index(struct iwl_priv *priv) { int i; diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.h b/drivers/net/wireless/iwlwifi/iwl-sta.h index 0647587..206f1e1 100644 --- a/drivers/net/wireless/iwlwifi/iwl-sta.h +++ b/drivers/net/wireless/iwlwifi/iwl-sta.h @@ -63,6 +63,7 @@ u8 iwl_prep_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx, int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx, struct iwl_link_quality_cmd *lq, u8 flags, bool init); +void iwl_reprogram_ap_sta(struct iwl_priv *priv, struct iwl_rxon_context *ctx); /** * iwl_clear_driver_stations - clear knowledge of all stations from driver |