aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/iwlwifi/iwl-core.c
diff options
context:
space:
mode:
authorJohn W. Linville <linville@tuxdriver.com>2010-05-17 13:57:43 -0400
committerJohn W. Linville <linville@tuxdriver.com>2010-05-17 13:57:43 -0400
commit6fe70aae0d128339febfabc073ba4c4a03de4f45 (patch)
tree711dff90df5ca4e07b5bddf11b2819e5cf2b7a93 /drivers/net/wireless/iwlwifi/iwl-core.c
parentMerge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 (diff)
parentMerge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 (diff)
downloadlinux-dev-6fe70aae0d128339febfabc073ba4c4a03de4f45.tar.xz
linux-dev-6fe70aae0d128339febfabc073ba4c4a03de4f45.zip
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-core.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-core.c199
1 files changed, 67 insertions, 132 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 4cdf4d3a9ddb..e39086821077 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -68,37 +68,6 @@ static bool bt_coex_active = true;
module_param(bt_coex_active, bool, S_IRUGO);
MODULE_PARM_DESC(bt_coex_active, "enable wifi/bluetooth co-exist");
-static struct iwl_wimax_coex_event_entry cu_priorities[COEX_NUM_OF_EVENTS] = {
- {COEX_CU_UNASSOC_IDLE_RP, COEX_CU_UNASSOC_IDLE_WP,
- 0, COEX_UNASSOC_IDLE_FLAGS},
- {COEX_CU_UNASSOC_MANUAL_SCAN_RP, COEX_CU_UNASSOC_MANUAL_SCAN_WP,
- 0, COEX_UNASSOC_MANUAL_SCAN_FLAGS},
- {COEX_CU_UNASSOC_AUTO_SCAN_RP, COEX_CU_UNASSOC_AUTO_SCAN_WP,
- 0, COEX_UNASSOC_AUTO_SCAN_FLAGS},
- {COEX_CU_CALIBRATION_RP, COEX_CU_CALIBRATION_WP,
- 0, COEX_CALIBRATION_FLAGS},
- {COEX_CU_PERIODIC_CALIBRATION_RP, COEX_CU_PERIODIC_CALIBRATION_WP,
- 0, COEX_PERIODIC_CALIBRATION_FLAGS},
- {COEX_CU_CONNECTION_ESTAB_RP, COEX_CU_CONNECTION_ESTAB_WP,
- 0, COEX_CONNECTION_ESTAB_FLAGS},
- {COEX_CU_ASSOCIATED_IDLE_RP, COEX_CU_ASSOCIATED_IDLE_WP,
- 0, COEX_ASSOCIATED_IDLE_FLAGS},
- {COEX_CU_ASSOC_MANUAL_SCAN_RP, COEX_CU_ASSOC_MANUAL_SCAN_WP,
- 0, COEX_ASSOC_MANUAL_SCAN_FLAGS},
- {COEX_CU_ASSOC_AUTO_SCAN_RP, COEX_CU_ASSOC_AUTO_SCAN_WP,
- 0, COEX_ASSOC_AUTO_SCAN_FLAGS},
- {COEX_CU_ASSOC_ACTIVE_LEVEL_RP, COEX_CU_ASSOC_ACTIVE_LEVEL_WP,
- 0, COEX_ASSOC_ACTIVE_LEVEL_FLAGS},
- {COEX_CU_RF_ON_RP, COEX_CU_RF_ON_WP, 0, COEX_CU_RF_ON_FLAGS},
- {COEX_CU_RF_OFF_RP, COEX_CU_RF_OFF_WP, 0, COEX_RF_OFF_FLAGS},
- {COEX_CU_STAND_ALONE_DEBUG_RP, COEX_CU_STAND_ALONE_DEBUG_WP,
- 0, COEX_STAND_ALONE_DEBUG_FLAGS},
- {COEX_CU_IPAN_ASSOC_LEVEL_RP, COEX_CU_IPAN_ASSOC_LEVEL_WP,
- 0, COEX_IPAN_ASSOC_LEVEL_FLAGS},
- {COEX_CU_RSRVD1_RP, COEX_CU_RSRVD1_WP, 0, COEX_RSRVD1_FLAGS},
- {COEX_CU_RSRVD2_RP, COEX_CU_RSRVD2_WP, 0, COEX_RSRVD2_FLAGS}
-};
-
#define IWL_DECLARE_RATE_INFO(r, s, ip, in, rp, rn, pp, np) \
[IWL_RATE_##r##M_INDEX] = { IWL_RATE_##r##M_PLCP, \
IWL_RATE_SISO_##s##M_PLCP, \
@@ -512,7 +481,7 @@ static u16 iwl_adjust_beacon_interval(u16 beacon_val, u16 max_beacon_val)
return new_val;
}
-void iwl_setup_rxon_timing(struct iwl_priv *priv)
+void iwl_setup_rxon_timing(struct iwl_priv *priv, struct ieee80211_vif *vif)
{
u64 tsf;
s32 interval_tm, rem;
@@ -526,15 +495,14 @@ void iwl_setup_rxon_timing(struct iwl_priv *priv)
priv->rxon_timing.timestamp = cpu_to_le64(priv->timestamp);
priv->rxon_timing.listen_interval = cpu_to_le16(conf->listen_interval);
- if (priv->iw_mode == NL80211_IFTYPE_STATION) {
- beacon_int = priv->beacon_int;
- priv->rxon_timing.atim_window = 0;
- } else {
- beacon_int = priv->vif->bss_conf.beacon_int;
+ beacon_int = vif->bss_conf.beacon_int;
+ if (vif->type == NL80211_IFTYPE_ADHOC) {
/* TODO: we need to get atim_window from upper stack
* for now we set to 0 */
priv->rxon_timing.atim_window = 0;
+ } else {
+ priv->rxon_timing.atim_window = 0;
}
beacon_int = iwl_adjust_beacon_interval(beacon_int,
@@ -926,8 +894,9 @@ int iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch)
}
EXPORT_SYMBOL(iwl_set_rxon_channel);
-void iwl_set_flags_for_band(struct iwl_priv *priv,
- enum ieee80211_band band)
+static void iwl_set_flags_for_band(struct iwl_priv *priv,
+ enum ieee80211_band band,
+ struct ieee80211_vif *vif)
{
if (band == IEEE80211_BAND_5GHZ) {
priv->staging_rxon.flags &=
@@ -936,12 +905,12 @@ void iwl_set_flags_for_band(struct iwl_priv *priv,
priv->staging_rxon.flags |= RXON_FLG_SHORT_SLOT_MSK;
} else {
/* Copied from iwl_post_associate() */
- if (priv->assoc_capability & WLAN_CAPABILITY_SHORT_SLOT_TIME)
+ if (vif && vif->bss_conf.assoc_capability & WLAN_CAPABILITY_SHORT_SLOT_TIME)
priv->staging_rxon.flags |= RXON_FLG_SHORT_SLOT_MSK;
else
priv->staging_rxon.flags &= ~RXON_FLG_SHORT_SLOT_MSK;
- if (priv->iw_mode == NL80211_IFTYPE_ADHOC)
+ if (vif && vif->type == NL80211_IFTYPE_ADHOC)
priv->staging_rxon.flags &= ~RXON_FLG_SHORT_SLOT_MSK;
priv->staging_rxon.flags |= RXON_FLG_BAND_24G_MSK;
@@ -953,13 +922,18 @@ void iwl_set_flags_for_band(struct iwl_priv *priv,
/*
* initialize rxon structure with default values from eeprom
*/
-void iwl_connection_init_rx_config(struct iwl_priv *priv, int mode)
+void iwl_connection_init_rx_config(struct iwl_priv *priv,
+ struct ieee80211_vif *vif)
{
const struct iwl_channel_info *ch_info;
+ enum nl80211_iftype type = NL80211_IFTYPE_STATION;
+
+ if (vif)
+ type = vif->type;
memset(&priv->staging_rxon, 0, sizeof(priv->staging_rxon));
- switch (mode) {
+ switch (type) {
case NL80211_IFTYPE_AP:
priv->staging_rxon.dev_type = RXON_DEV_TYPE_AP;
break;
@@ -977,7 +951,7 @@ void iwl_connection_init_rx_config(struct iwl_priv *priv, int mode)
break;
default:
- IWL_ERR(priv, "Unsupported interface type %d\n", mode);
+ IWL_ERR(priv, "Unsupported interface type %d\n", type);
break;
}
@@ -999,7 +973,7 @@ void iwl_connection_init_rx_config(struct iwl_priv *priv, int mode)
priv->staging_rxon.channel = cpu_to_le16(ch_info->channel);
priv->band = ch_info->band;
- iwl_set_flags_for_band(priv, priv->band);
+ iwl_set_flags_for_band(priv, priv->band, vif);
priv->staging_rxon.ofdm_basic_rates =
(IWL_OFDM_RATES_MASK >> IWL_FIRST_OFDM_RATE) & 0xFF;
@@ -1100,6 +1074,9 @@ void iwl_irq_handle_error(struct iwl_priv *priv)
/* Cancel currently queued command. */
clear_bit(STATUS_HCMD_ACTIVE, &priv->status);
+ IWL_ERR(priv, "Loaded firmware version: %s\n",
+ priv->hw->wiphy->fw_version);
+
priv->cfg->ops->lib->dump_nic_error_log(priv);
if (priv->cfg->ops->lib->dump_csr)
priv->cfg->ops->lib->dump_csr(priv);
@@ -1286,41 +1263,33 @@ void iwl_configure_filter(struct ieee80211_hw *hw,
u64 multicast)
{
struct iwl_priv *priv = hw->priv;
- __le32 *filter_flags = &priv->staging_rxon.filter_flags;
+ __le32 filter_or = 0, filter_nand = 0;
+
+#define CHK(test, flag) do { \
+ if (*total_flags & (test)) \
+ filter_or |= (flag); \
+ else \
+ filter_nand |= (flag); \
+ } while (0)
IWL_DEBUG_MAC80211(priv, "Enter: changed: 0x%x, total: 0x%x\n",
changed_flags, *total_flags);
- if (changed_flags & (FIF_OTHER_BSS | FIF_PROMISC_IN_BSS)) {
- if (*total_flags & (FIF_OTHER_BSS | FIF_PROMISC_IN_BSS))
- *filter_flags |= RXON_FILTER_PROMISC_MSK;
- else
- *filter_flags &= ~RXON_FILTER_PROMISC_MSK;
- }
- if (changed_flags & FIF_ALLMULTI) {
- if (*total_flags & FIF_ALLMULTI)
- *filter_flags |= RXON_FILTER_ACCEPT_GRP_MSK;
- else
- *filter_flags &= ~RXON_FILTER_ACCEPT_GRP_MSK;
- }
- if (changed_flags & FIF_CONTROL) {
- if (*total_flags & FIF_CONTROL)
- *filter_flags |= RXON_FILTER_CTL2HOST_MSK;
- else
- *filter_flags &= ~RXON_FILTER_CTL2HOST_MSK;
- }
- if (changed_flags & FIF_BCN_PRBRESP_PROMISC) {
- if (*total_flags & FIF_BCN_PRBRESP_PROMISC)
- *filter_flags |= RXON_FILTER_BCON_AWARE_MSK;
- else
- *filter_flags &= ~RXON_FILTER_BCON_AWARE_MSK;
- }
+ CHK(FIF_OTHER_BSS | FIF_PROMISC_IN_BSS, RXON_FILTER_PROMISC_MSK);
+ CHK(FIF_ALLMULTI, RXON_FILTER_ACCEPT_GRP_MSK);
+ CHK(FIF_CONTROL, RXON_FILTER_CTL2HOST_MSK);
+ CHK(FIF_BCN_PRBRESP_PROMISC, RXON_FILTER_BCON_AWARE_MSK);
- /* We avoid iwl_commit_rxon here to commit the new filter flags
- * since mac80211 will call ieee80211_hw_config immediately.
- * (mc_list is not supported at this time). Otherwise, we need to
- * queue a background iwl_commit_rxon work.
- */
+#undef CHK
+
+ mutex_lock(&priv->mutex);
+
+ priv->staging_rxon.filter_flags &= ~filter_nand;
+ priv->staging_rxon.filter_flags |= filter_or;
+
+ iwlcore_commit_rxon(priv);
+
+ mutex_unlock(&priv->mutex);
*total_flags &= FIF_OTHER_BSS | FIF_ALLMULTI | FIF_PROMISC_IN_BSS |
FIF_BCN_PRBRESP_PROMISC | FIF_CONTROL;
@@ -1772,10 +1741,11 @@ int iwl_mac_conf_tx(struct ieee80211_hw *hw, u16 queue,
EXPORT_SYMBOL(iwl_mac_conf_tx);
static void iwl_ht_conf(struct iwl_priv *priv,
- struct ieee80211_bss_conf *bss_conf)
+ struct ieee80211_vif *vif)
{
struct iwl_ht_config *ht_conf = &priv->current_ht_config;
struct ieee80211_sta *sta;
+ struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
IWL_DEBUG_MAC80211(priv, "enter:\n");
@@ -1789,10 +1759,10 @@ static void iwl_ht_conf(struct iwl_priv *priv,
ht_conf->single_chain_sufficient = false;
- switch (priv->iw_mode) {
+ switch (vif->type) {
case NL80211_IFTYPE_STATION:
rcu_read_lock();
- sta = ieee80211_find_sta(priv->vif, priv->bssid);
+ sta = ieee80211_find_sta(vif, bss_conf->bssid);
if (sta) {
struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap;
int maxstreams;
@@ -1830,7 +1800,6 @@ static void iwl_ht_conf(struct iwl_priv *priv,
static inline void iwl_set_no_assoc(struct iwl_priv *priv)
{
- priv->assoc_id = 0;
iwl_led_disassociate(priv);
/*
* inform the ucode that there is no longer an
@@ -1858,14 +1827,12 @@ void iwl_bss_info_changed(struct ieee80211_hw *hw,
mutex_lock(&priv->mutex);
- if (changes & BSS_CHANGED_BEACON &&
- priv->iw_mode == NL80211_IFTYPE_AP) {
+ if (changes & BSS_CHANGED_BEACON && vif->type == NL80211_IFTYPE_AP) {
dev_kfree_skb(priv->ibss_beacon);
priv->ibss_beacon = ieee80211_beacon_get(hw, vif);
}
if (changes & BSS_CHANGED_BEACON_INT) {
- priv->beacon_int = bss_conf->beacon_int;
/* TODO: in AP mode, do something to make this take effect */
}
@@ -1885,8 +1852,7 @@ void iwl_bss_info_changed(struct ieee80211_hw *hw,
}
/* mac80211 only sets assoc when in STATION mode */
- if (priv->iw_mode == NL80211_IFTYPE_ADHOC ||
- bss_conf->assoc) {
+ if (vif->type == NL80211_IFTYPE_ADHOC || bss_conf->assoc) {
memcpy(priv->staging_rxon.bssid_addr,
bss_conf->bssid, ETH_ALEN);
@@ -1904,7 +1870,7 @@ void iwl_bss_info_changed(struct ieee80211_hw *hw,
* mac80211 decides to do both changes at once because
* it will invoke post_associate.
*/
- if (priv->iw_mode == NL80211_IFTYPE_ADHOC &&
+ if (vif->type == NL80211_IFTYPE_ADHOC &&
changes & BSS_CHANGED_BEACON) {
struct sk_buff *beacon = ieee80211_beacon_get(hw, vif);
@@ -1947,7 +1913,7 @@ void iwl_bss_info_changed(struct ieee80211_hw *hw,
}
if (changes & BSS_CHANGED_HT) {
- iwl_ht_conf(priv, bss_conf);
+ iwl_ht_conf(priv, vif);
if (priv->cfg->ops->hcmd->set_rxon_chain)
priv->cfg->ops->hcmd->set_rxon_chain(priv);
@@ -1956,20 +1922,17 @@ void iwl_bss_info_changed(struct ieee80211_hw *hw,
if (changes & BSS_CHANGED_ASSOC) {
IWL_DEBUG_MAC80211(priv, "ASSOC %d\n", bss_conf->assoc);
if (bss_conf->assoc) {
- priv->assoc_id = bss_conf->aid;
- priv->beacon_int = bss_conf->beacon_int;
priv->timestamp = bss_conf->timestamp;
- priv->assoc_capability = bss_conf->assoc_capability;
iwl_led_associate(priv);
if (!iwl_is_rfkill(priv))
- priv->cfg->ops->lib->post_associate(priv);
+ priv->cfg->ops->lib->post_associate(priv, vif);
} else
iwl_set_no_assoc(priv);
}
- if (changes && iwl_is_associated(priv) && priv->assoc_id) {
+ if (changes && iwl_is_associated(priv) && bss_conf->aid) {
IWL_DEBUG_MAC80211(priv, "Changes (%#x) while associated\n",
changes);
ret = iwl_send_rxon_assoc(priv);
@@ -1986,11 +1949,20 @@ void iwl_bss_info_changed(struct ieee80211_hw *hw,
memcpy(priv->staging_rxon.bssid_addr,
bss_conf->bssid, ETH_ALEN);
memcpy(priv->bssid, bss_conf->bssid, ETH_ALEN);
- iwlcore_config_ap(priv);
+ iwlcore_config_ap(priv, vif);
} else
iwl_set_no_assoc(priv);
}
+ if (changes & BSS_CHANGED_IBSS) {
+ ret = priv->cfg->ops->lib->manage_ibss_station(priv, vif,
+ bss_conf->ibss_joined);
+ if (ret)
+ IWL_ERR(priv, "failed to %s IBSS station %pM\n",
+ bss_conf->ibss_joined ? "add" : "remove",
+ bss_conf->bssid);
+ }
+
mutex_unlock(&priv->mutex);
IWL_DEBUG_MAC80211(priv, "leave\n");
@@ -2017,14 +1989,13 @@ int iwl_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb)
priv->ibss_beacon = skb;
- priv->assoc_id = 0;
timestamp = ((struct ieee80211_mgmt *)skb->data)->u.beacon.timestamp;
priv->timestamp = le64_to_cpu(timestamp);
IWL_DEBUG_MAC80211(priv, "leave\n");
spin_unlock_irqrestore(&priv->lock, flags);
- priv->cfg->ops->lib->post_associate(priv);
+ priv->cfg->ops->lib->post_associate(priv, priv->vif);
return 0;
}
@@ -2032,7 +2003,7 @@ EXPORT_SYMBOL(iwl_mac_beacon_update);
static int iwl_set_mode(struct iwl_priv *priv, struct ieee80211_vif *vif)
{
- iwl_connection_init_rx_config(priv, vif->type);
+ iwl_connection_init_rx_config(priv, vif);
if (priv->cfg->ops->hcmd->set_rxon_chain)
priv->cfg->ops->hcmd->set_rxon_chain(priv);
@@ -2072,9 +2043,6 @@ int iwl_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
if (err)
goto out_err;
- /* Add the broadcast address so we can send broadcast frames */
- priv->cfg->ops->lib->add_bcast_station(priv);
-
goto out;
out_err:
@@ -2097,8 +2065,6 @@ void iwl_mac_remove_interface(struct ieee80211_hw *hw,
mutex_lock(&priv->mutex);
- iwl_clear_ucode_stations(priv, true);
-
if (iwl_is_ready_rf(priv)) {
iwl_scan_cancel_timeout(priv, 100);
priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
@@ -2204,7 +2170,7 @@ int iwl_mac_config(struct ieee80211_hw *hw, u32 changed)
iwl_set_rxon_channel(priv, conf->channel);
iwl_set_rxon_ht(priv, ht_conf);
- iwl_set_flags_for_band(priv, conf->channel->band);
+ iwl_set_flags_for_band(priv, conf->channel->band, priv->vif);
spin_unlock_irqrestore(&priv->lock, flags);
if (iwl_is_associated(priv) &&
(le16_to_cpu(priv->active_rxon.channel) != ch) &&
@@ -2287,8 +2253,6 @@ void iwl_mac_reset_tsf(struct ieee80211_hw *hw)
spin_unlock_irqrestore(&priv->lock, flags);
spin_lock_irqsave(&priv->lock, flags);
- priv->assoc_id = 0;
- priv->assoc_capability = 0;
/* new association get rid of ibss beacon skb */
if (priv->ibss_beacon)
@@ -2296,7 +2260,6 @@ void iwl_mac_reset_tsf(struct ieee80211_hw *hw)
priv->ibss_beacon = NULL;
- priv->beacon_int = priv->vif->bss_conf.beacon_int;
priv->timestamp = 0;
spin_unlock_irqrestore(&priv->lock, flags);
@@ -2343,34 +2306,6 @@ void iwl_free_txq_mem(struct iwl_priv *priv)
}
EXPORT_SYMBOL(iwl_free_txq_mem);
-int iwl_send_wimax_coex(struct iwl_priv *priv)
-{
- struct iwl_wimax_coex_cmd coex_cmd;
-
- if (priv->cfg->support_wimax_coexist) {
- /* UnMask wake up src at associated sleep */
- coex_cmd.flags = COEX_FLAGS_ASSOC_WA_UNMASK_MSK;
-
- /* UnMask wake up src at unassociated sleep */
- coex_cmd.flags |= COEX_FLAGS_UNASSOC_WA_UNMASK_MSK;
- memcpy(coex_cmd.sta_prio, cu_priorities,
- sizeof(struct iwl_wimax_coex_event_entry) *
- COEX_NUM_OF_EVENTS);
-
- /* enabling the coexistence feature */
- coex_cmd.flags |= COEX_FLAGS_COEX_ENABLE_MSK;
-
- /* enabling the priorities tables */
- coex_cmd.flags |= COEX_FLAGS_STA_TABLE_VALID_MSK;
- } else {
- /* coexistence is disabled */
- memset(&coex_cmd, 0, sizeof(coex_cmd));
- }
- return iwl_send_cmd_pdu(priv, COEX_PRIORITY_TABLE_CMD,
- sizeof(coex_cmd), &coex_cmd);
-}
-EXPORT_SYMBOL(iwl_send_wimax_coex);
-
#ifdef CONFIG_IWLWIFI_DEBUGFS
#define IWL_TRAFFIC_DUMP_SIZE (IWL_TRAFFIC_ENTRY_SIZE * IWL_TRAFFIC_ENTRIES)