-
-static int iwl_mac_config_interface(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- struct ieee80211_if_conf *conf)
-{
- struct iwl_priv *priv = hw->priv;
- int rc;
-
- if (conf == NULL)
- return -EIO;
-
- if (priv->vif != vif) {
- IWL_DEBUG_MAC80211(priv, "leave - priv->vif != vif\n");
- return 0;
- }
-
- if (priv->iw_mode == NL80211_IFTYPE_ADHOC &&
- conf->changed & IEEE80211_IFCC_BEACON) {
- struct sk_buff *beacon = ieee80211_beacon_get(hw, vif);
- if (!beacon)
- return -ENOMEM;
- mutex_lock(&priv->mutex);
- rc = iwl_mac_beacon_update(hw, beacon);
- mutex_unlock(&priv->mutex);
- if (rc)
- return rc;
- }
-
- if (!iwl_is_alive(priv))
- return -EAGAIN;
-
- mutex_lock(&priv->mutex);
-
- if (conf->bssid)
- IWL_DEBUG_MAC80211(priv, "bssid: %pM\n", conf->bssid);
-
-/*
- * very dubious code was here; the probe filtering flag is never set:
- *
- if (unlikely(test_bit(STATUS_SCANNING, &priv->status)) &&
- !(priv->hw->flags & IEEE80211_HW_NO_PROBE_FILTERING)) {
- */
-
- if (priv->iw_mode == NL80211_IFTYPE_AP) {
- if (!conf->bssid) {
- conf->bssid = priv->mac_addr;
- memcpy(priv->bssid, priv->mac_addr, ETH_ALEN);
- IWL_DEBUG_MAC80211(priv, "bssid was set to: %pM\n",
- conf->bssid);
- }
- if (priv->ibss_beacon)
- dev_kfree_skb(priv->ibss_beacon);
-
- priv->ibss_beacon = ieee80211_beacon_get(hw, vif);
- }
-
- if (iwl_is_rfkill(priv))
- goto done;
-
- if (conf->bssid && !is_zero_ether_addr(conf->bssid) &&
- !is_multicast_ether_addr(conf->bssid)) {
- /* If there is currently a HW scan going on in the background
- * then we need to cancel it else the RXON below will fail. */
- if (iwl_scan_cancel_timeout(priv, 100)) {
- IWL_WARN(priv, "Aborted scan still in progress "
- "after 100ms\n");
- IWL_DEBUG_MAC80211(priv, "leaving - scan abort failed.\n");
- mutex_unlock(&priv->mutex);
- return -EAGAIN;
- }
- memcpy(priv->staging_rxon.bssid_addr, conf->bssid, ETH_ALEN);
-
- /* TODO: Audit driver for usage of these members and see
- * if mac80211 deprecates them (priv->bssid looks like it
- * shouldn't be there, but I haven't scanned the IBSS code
- * to verify) - jpk */
- memcpy(priv->bssid, conf->bssid, ETH_ALEN);
-
- if (priv->iw_mode == NL80211_IFTYPE_AP)
- iwl_config_ap(priv);
- else {
- rc = iwl_commit_rxon(priv);
- if ((priv->iw_mode == NL80211_IFTYPE_STATION) && rc)
- iwl_rxon_add_station(
- priv, priv->active_rxon.bssid_addr, 1);
- }
-
- } else {
- iwl_scan_cancel_timeout(priv, 100);
- priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
- iwl_commit_rxon(priv);
- }
-
- done:
- IWL_DEBUG_MAC80211(priv, "leave\n");
- mutex_unlock(&priv->mutex);
-
- return 0;
-}
-
-static void iwl_mac_remove_interface(struct ieee80211_hw *hw,
- struct ieee80211_if_init_conf *conf)
-{
- struct iwl_priv *priv = hw->priv;
-
- IWL_DEBUG_MAC80211(priv, "enter\n");
-
- mutex_lock(&priv->mutex);
-
- if (iwl_is_ready_rf(priv)) {
- iwl_scan_cancel_timeout(priv, 100);
- priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
- iwl_commit_rxon(priv);
- }
- if (priv->vif == conf->vif) {
- priv->vif = NULL;
- memset(priv->bssid, 0, ETH_ALEN);
- }
- mutex_unlock(&priv->mutex);
-
- IWL_DEBUG_MAC80211(priv, "leave\n");
-
-}
-
-#define IWL_DELAY_NEXT_SCAN_AFTER_ASSOC (HZ*6)
-static void iwl_bss_info_changed(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- struct ieee80211_bss_conf *bss_conf,
- u32 changes)
-{
- struct iwl_priv *priv = hw->priv;
-
- IWL_DEBUG_MAC80211(priv, "changes = 0x%X\n", changes);
-
- if (changes & BSS_CHANGED_ERP_PREAMBLE) {
- IWL_DEBUG_MAC80211(priv, "ERP_PREAMBLE %d\n",
- bss_conf->use_short_preamble);
- if (bss_conf->use_short_preamble)
- priv->staging_rxon.flags |= RXON_FLG_SHORT_PREAMBLE_MSK;
- else
- priv->staging_rxon.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK;
- }
-
- if (changes & BSS_CHANGED_ERP_CTS_PROT) {
- IWL_DEBUG_MAC80211(priv, "ERP_CTS %d\n", bss_conf->use_cts_prot);
- if (bss_conf->use_cts_prot && (priv->band != IEEE80211_BAND_5GHZ))
- priv->staging_rxon.flags |= RXON_FLG_TGG_PROTECT_MSK;
- else
- priv->staging_rxon.flags &= ~RXON_FLG_TGG_PROTECT_MSK;
- }
-
- if (changes & BSS_CHANGED_HT) {
- iwl_ht_conf(priv, bss_conf);
- iwl_set_rxon_chain(priv);
- }
-
- if (changes & BSS_CHANGED_ASSOC) {
- IWL_DEBUG_MAC80211(priv, "ASSOC %d\n", bss_conf->assoc);
- /* This should never happen as this function should
- * never be called from interrupt context. */
- if (WARN_ON_ONCE(in_interrupt()))
- return;
- if (bss_conf->assoc) {
- priv->assoc_id = bss_conf->aid;
- priv->beacon_int = bss_conf->beacon_int;
- priv->power_data.dtim_period = bss_conf->dtim_period;
- priv->timestamp = bss_conf->timestamp;
- priv->assoc_capability = bss_conf->assoc_capability;
-
- /* we have just associated, don't start scan too early
- * leave time for EAPOL exchange to complete
- */
- priv->next_scan_jiffies = jiffies +
- IWL_DELAY_NEXT_SCAN_AFTER_ASSOC;
- mutex_lock(&priv->mutex);
- iwl_post_associate(priv);
- mutex_unlock(&priv->mutex);
- } else {
- priv->assoc_id = 0;
- IWL_DEBUG_MAC80211(priv, "DISASSOC %d\n", bss_conf->assoc);
- }
- } else if (changes && iwl_is_associated(priv) && priv->assoc_id) {
- IWL_DEBUG_MAC80211(priv, "Associated Changes %d\n", changes);
- iwl_send_rxon_assoc(priv);
- }
-
-}
-