summaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn-rxon.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn-rxon.c115
1 files changed, 54 insertions, 61 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
index 1c6659416621..2e1a31797a9e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
@@ -1,6 +1,6 @@
/******************************************************************************
*
- * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved.
+ * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
@@ -39,7 +39,7 @@ static int iwlagn_disable_bss(struct iwl_priv *priv,
int ret;
send->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
- ret = iwl_trans_send_cmd_pdu(trans(priv), ctx->rxon_cmd,
+ ret = iwl_dvm_send_cmd_pdu(priv, ctx->rxon_cmd,
CMD_SYNC, sizeof(*send), send);
send->filter_flags = old_filter;
@@ -60,13 +60,13 @@ static int iwlagn_disable_pan(struct iwl_priv *priv,
u8 old_dev_type = send->dev_type;
int ret;
- iwl_init_notification_wait(priv->shrd, &disable_wait,
- REPLY_WIPAN_DEACTIVATION_COMPLETE,
- NULL, NULL);
+ iwl_init_notification_wait(&priv->notif_wait, &disable_wait,
+ REPLY_WIPAN_DEACTIVATION_COMPLETE,
+ NULL, NULL);
send->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
send->dev_type = RXON_DEV_TYPE_P2P;
- ret = iwl_trans_send_cmd_pdu(trans(priv), ctx->rxon_cmd,
+ ret = iwl_dvm_send_cmd_pdu(priv, ctx->rxon_cmd,
CMD_SYNC, sizeof(*send), send);
send->filter_flags = old_filter;
@@ -74,9 +74,10 @@ static int iwlagn_disable_pan(struct iwl_priv *priv,
if (ret) {
IWL_ERR(priv, "Error disabling PAN (%d)\n", ret);
- iwl_remove_notification(priv->shrd, &disable_wait);
+ iwl_remove_notification(&priv->notif_wait, &disable_wait);
} else {
- ret = iwl_wait_notification(priv->shrd, &disable_wait, HZ);
+ ret = iwl_wait_notification(&priv->notif_wait,
+ &disable_wait, HZ);
if (ret)
IWL_ERR(priv, "Timed out waiting for PAN disable\n");
}
@@ -92,7 +93,7 @@ static int iwlagn_disconn_pan(struct iwl_priv *priv,
int ret;
send->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
- ret = iwl_trans_send_cmd_pdu(trans(priv), ctx->rxon_cmd, CMD_SYNC,
+ ret = iwl_dvm_send_cmd_pdu(priv, ctx->rxon_cmd, CMD_SYNC,
sizeof(*send), send);
send->filter_flags = old_filter;
@@ -121,7 +122,7 @@ static void iwlagn_update_qos(struct iwl_priv *priv,
ctx->qos_data.qos_active,
ctx->qos_data.def_qos_parm.qos_flags);
- ret = iwl_trans_send_cmd_pdu(trans(priv), ctx->qos_cmd, CMD_SYNC,
+ ret = iwl_dvm_send_cmd_pdu(priv, ctx->qos_cmd, CMD_SYNC,
sizeof(struct iwl_qosparam_cmd),
&ctx->qos_data.def_qos_parm);
if (ret)
@@ -131,7 +132,7 @@ static void iwlagn_update_qos(struct iwl_priv *priv,
static int iwlagn_update_beacon(struct iwl_priv *priv,
struct ieee80211_vif *vif)
{
- lockdep_assert_held(&priv->shrd->mutex);
+ lockdep_assert_held(&priv->mutex);
dev_kfree_skb(priv->beacon_skb);
priv->beacon_skb = ieee80211_beacon_get(priv->hw, vif);
@@ -180,7 +181,7 @@ static int iwlagn_send_rxon_assoc(struct iwl_priv *priv,
ctx->staging.ofdm_ht_triple_stream_basic_rates;
rxon_assoc.acquisition_data = ctx->staging.acquisition_data;
- ret = iwl_trans_send_cmd_pdu(trans(priv), ctx->rxon_assoc_cmd,
+ ret = iwl_dvm_send_cmd_pdu(priv, ctx->rxon_assoc_cmd,
CMD_ASYNC, sizeof(rxon_assoc), &rxon_assoc);
return ret;
}
@@ -266,7 +267,7 @@ static int iwlagn_rxon_connect(struct iwl_priv *priv,
* Associated RXON doesn't clear the station table in uCode,
* so we don't need to restore stations etc. after this.
*/
- ret = iwl_trans_send_cmd_pdu(trans(priv), ctx->rxon_cmd, CMD_SYNC,
+ ret = iwl_dvm_send_cmd_pdu(priv, ctx->rxon_cmd, CMD_SYNC,
sizeof(struct iwl_rxon_cmd), &ctx->staging);
if (ret) {
IWL_ERR(priv, "Error setting new RXON (%d)\n", ret);
@@ -274,8 +275,6 @@ static int iwlagn_rxon_connect(struct iwl_priv *priv,
}
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))
@@ -315,7 +314,7 @@ int iwlagn_set_pan_params(struct iwl_priv *priv)
BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2);
- lockdep_assert_held(&priv->shrd->mutex);
+ lockdep_assert_held(&priv->mutex);
ctx_bss = &priv->contexts[IWL_RXON_CTX_BSS];
ctx_pan = &priv->contexts[IWL_RXON_CTX_PAN];
@@ -362,7 +361,7 @@ int iwlagn_set_pan_params(struct iwl_priv *priv)
slot0 = bcnint / 2;
slot1 = bcnint - slot0;
- if (test_bit(STATUS_SCAN_HW, &priv->shrd->status) ||
+ if (test_bit(STATUS_SCAN_HW, &priv->status) ||
(!ctx_bss->vif->bss_conf.idle &&
!ctx_bss->vif->bss_conf.assoc)) {
slot0 = dtim * bcnint * 3 - IWL_MIN_SLOT_TIME;
@@ -378,7 +377,7 @@ int iwlagn_set_pan_params(struct iwl_priv *priv)
ctx_pan->beacon_int;
slot1 = max_t(int, DEFAULT_BEACON_INTERVAL, slot1);
- if (test_bit(STATUS_SCAN_HW, &priv->shrd->status)) {
+ if (test_bit(STATUS_SCAN_HW, &priv->status)) {
slot0 = slot1 * 3 - IWL_MIN_SLOT_TIME;
slot1 = IWL_MIN_SLOT_TIME;
}
@@ -387,7 +386,7 @@ int iwlagn_set_pan_params(struct iwl_priv *priv)
cmd.slots[0].width = cpu_to_le16(slot0);
cmd.slots[1].width = cpu_to_le16(slot1);
- ret = iwl_trans_send_cmd_pdu(trans(priv), REPLY_WIPAN_PARAMS, CMD_SYNC,
+ ret = iwl_dvm_send_cmd_pdu(priv, REPLY_WIPAN_PARAMS, CMD_SYNC,
sizeof(cmd), &cmd);
if (ret)
IWL_ERR(priv, "Error setting PAN parameters (%d)\n", ret);
@@ -420,12 +419,9 @@ int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
bool new_assoc = !!(ctx->staging.filter_flags & RXON_FILTER_ASSOC_MSK);
int ret;
- lockdep_assert_held(&priv->shrd->mutex);
-
- if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status))
- return -EINVAL;
+ lockdep_assert_held(&priv->mutex);
- if (!iwl_is_alive(priv->shrd))
+ if (!iwl_is_alive(priv))
return -EBUSY;
/* This function hardcodes a bunch of dual-mode assumptions */
@@ -434,10 +430,6 @@ int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
if (!ctx->is_active)
return 0;
- /* override BSSID if necessary due to preauth */
- if (ctx->preauth_bssid)
- memcpy(ctx->staging.bssid_addr, ctx->bssid, ETH_ALEN);
-
/* always get timestamp with Rx frame */
ctx->staging.flags |= RXON_FLG_TSF2HOST_MSK;
@@ -445,8 +437,7 @@ int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
* force CTS-to-self frames protection if RTS-CTS is not preferred
* one aggregation protection method
*/
- if (!(cfg(priv)->ht_params &&
- cfg(priv)->ht_params->use_rts_for_aggregation))
+ if (!hw_params(priv).use_rts_for_aggregation)
ctx->staging.flags |= RXON_FLG_SELF_CTS_EN;
if ((ctx->vif && ctx->vif->bss_conf.use_short_slot) ||
@@ -466,7 +457,7 @@ int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
* receive commit_rxon request
* abort any previous channel switch if still in process
*/
- if (test_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->shrd->status) &&
+ if (test_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status) &&
(priv->switch_channel != ctx->staging.channel)) {
IWL_DEBUG_11H(priv, "abort channel switch on %d\n",
le16_to_cpu(priv->switch_channel));
@@ -549,7 +540,7 @@ void iwlagn_config_ht40(struct ieee80211_conf *conf,
int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed)
{
- struct iwl_priv *priv = hw->priv;
+ struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
struct iwl_rxon_context *ctx;
struct ieee80211_conf *conf = &hw->conf;
struct ieee80211_channel *channel = conf->channel;
@@ -558,17 +549,14 @@ int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed)
IWL_DEBUG_MAC80211(priv, "enter: changed %#x", changed);
- mutex_lock(&priv->shrd->mutex);
+ mutex_lock(&priv->mutex);
- if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status))
- goto out;
-
- if (unlikely(test_bit(STATUS_SCANNING, &priv->shrd->status))) {
+ if (unlikely(test_bit(STATUS_SCANNING, &priv->status))) {
IWL_DEBUG_MAC80211(priv, "leave - scanning\n");
goto out;
}
- if (!iwl_is_ready(priv->shrd)) {
+ if (!iwl_is_ready(priv)) {
IWL_DEBUG_MAC80211(priv, "leave - not ready\n");
goto out;
}
@@ -590,8 +578,6 @@ int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed)
}
if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
- unsigned long flags;
-
ch_info = iwl_get_channel_info(priv, channel->band,
channel->hw_value);
if (!is_channel_valid(ch_info)) {
@@ -600,8 +586,6 @@ int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed)
goto out;
}
- spin_lock_irqsave(&priv->shrd->lock, flags);
-
for_each_context(priv, ctx) {
/* Configure HT40 channels */
if (ctx->ht.enabled != conf_is_ht(conf))
@@ -636,8 +620,6 @@ int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed)
ctx->vif);
}
- spin_unlock_irqrestore(&priv->shrd->lock, flags);
-
iwl_update_bcast_stations(priv);
/*
@@ -668,7 +650,7 @@ int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed)
iwlagn_commit_rxon(priv, ctx);
}
out:
- mutex_unlock(&priv->shrd->mutex);
+ mutex_unlock(&priv->mutex);
IWL_DEBUG_MAC80211(priv, "leave\n");
return ret;
@@ -685,7 +667,7 @@ static void iwlagn_check_needed_chains(struct iwl_priv *priv,
struct ieee80211_sta_ht_cap *ht_cap;
bool need_multiple;
- lockdep_assert_held(&priv->shrd->mutex);
+ lockdep_assert_held(&priv->mutex);
switch (vif->type) {
case NL80211_IFTYPE_STATION:
@@ -789,7 +771,7 @@ static void iwlagn_chain_noise_reset(struct iwl_priv *priv)
memset(&cmd, 0, sizeof(cmd));
iwl_set_calib_hdr(&cmd.hdr,
priv->phy_calib_chain_noise_reset_cmd);
- ret = iwl_trans_send_cmd_pdu(trans(priv),
+ ret = iwl_dvm_send_cmd_pdu(priv,
REPLY_PHY_CALIBRATION_CMD,
CMD_SYNC, sizeof(cmd), &cmd);
if (ret)
@@ -805,22 +787,22 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
struct ieee80211_bss_conf *bss_conf,
u32 changes)
{
- struct iwl_priv *priv = hw->priv;
+ struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif);
int ret;
bool force = false;
- mutex_lock(&priv->shrd->mutex);
+ mutex_lock(&priv->mutex);
- if (unlikely(!iwl_is_ready(priv->shrd))) {
+ if (unlikely(!iwl_is_ready(priv))) {
IWL_DEBUG_MAC80211(priv, "leave - not ready\n");
- mutex_unlock(&priv->shrd->mutex);
+ mutex_unlock(&priv->mutex);
return;
}
if (unlikely(!ctx->vif)) {
IWL_DEBUG_MAC80211(priv, "leave - vif is NULL\n");
- mutex_unlock(&priv->shrd->mutex);
+ mutex_unlock(&priv->mutex);
return;
}
@@ -840,7 +822,7 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
if (changes & BSS_CHANGED_ASSOC) {
if (bss_conf->assoc) {
- priv->timestamp = bss_conf->timestamp;
+ priv->timestamp = bss_conf->last_tsf;
ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK;
} else {
/*
@@ -851,12 +833,8 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
* not get stuck in this case either since it
* can happen if userspace gets confused.
*/
- if (ctx->last_tx_rejected) {
- ctx->last_tx_rejected = false;
- iwl_trans_wake_any_queue(trans(priv),
- ctx->ctxid,
- "Disassoc: flush queue");
- }
+ iwlagn_lift_passive_no_rx(priv);
+
ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
if (ctx->ctxid == IWL_RXON_CTX_BSS)
@@ -900,6 +878,22 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
}
}
+ /*
+ * If the ucode decides to do beacon filtering before
+ * association, it will lose beacons that are needed
+ * before sending frames out on passive channels. This
+ * causes association failures on those channels. Enable
+ * receiving beacons in such cases.
+ */
+
+ if (vif->type == NL80211_IFTYPE_STATION) {
+ if (!bss_conf->assoc)
+ ctx->staging.filter_flags |= RXON_FILTER_BCON_AWARE_MSK;
+ else
+ ctx->staging.filter_flags &=
+ ~RXON_FILTER_BCON_AWARE_MSK;
+ }
+
if (force || memcmp(&ctx->staging, &ctx->active, sizeof(ctx->staging)))
iwlagn_commit_rxon(priv, ctx);
@@ -916,7 +910,6 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
if (!priv->disable_chain_noise_cal)
iwlagn_chain_noise_reset(priv);
priv->start_calib = 1;
- WARN_ON(ctx->preauth_bssid);
}
if (changes & BSS_CHANGED_IBSS) {
@@ -934,7 +927,7 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
IWL_ERR(priv, "Error sending IBSS beacon\n");
}
- mutex_unlock(&priv->shrd->mutex);
+ mutex_unlock(&priv->mutex);
}
void iwlagn_post_scan(struct iwl_priv *priv)
OpenPOWER on IntegriCloud