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path: root/drivers/net/wireless/ath/ar9170
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Diffstat (limited to 'drivers/net/wireless/ath/ar9170')
-rw-r--r--drivers/net/wireless/ath/ar9170/ar9170.h16
-rw-r--r--drivers/net/wireless/ath/ar9170/mac.c22
-rw-r--r--drivers/net/wireless/ath/ar9170/main.c112
3 files changed, 51 insertions, 99 deletions
diff --git a/drivers/net/wireless/ath/ar9170/ar9170.h b/drivers/net/wireless/ath/ar9170/ar9170.h
index e6c3ee3e058..ce407248d7d 100644
--- a/drivers/net/wireless/ath/ar9170/ar9170.h
+++ b/drivers/net/wireless/ath/ar9170/ar9170.h
@@ -157,6 +157,7 @@ struct ar9170_sta_tid {
struct ar9170 {
struct ieee80211_hw *hw;
+ struct ath_common common;
struct mutex mutex;
enum ar9170_device_state state;
unsigned long bad_hw_nagger;
@@ -184,10 +185,8 @@ struct ar9170 {
bool disable_offload;
/* filter settings */
- struct work_struct filter_config_work;
- u64 cur_mc_hash, want_mc_hash;
- u32 cur_filter, want_filter;
- unsigned long filter_changed;
+ u64 cur_mc_hash;
+ u32 cur_filter;
unsigned int filter_state;
bool sniffer_enabled;
@@ -222,7 +221,6 @@ struct ar9170 {
/* EEPROM */
struct ar9170_eeprom eeprom;
- struct ath_regulatory regulatory;
/* tx queues - as seen by hw - */
struct sk_buff_head tx_pending[__AR9170_NUM_TXQ];
@@ -261,10 +259,6 @@ struct ar9170_tx_info {
#define IS_STARTED(a) (((struct ar9170 *)a)->state >= AR9170_STARTED)
#define IS_ACCEPTING_CMD(a) (((struct ar9170 *)a)->state >= AR9170_IDLE)
-#define AR9170_FILTER_CHANGED_MODE BIT(0)
-#define AR9170_FILTER_CHANGED_MULTICAST BIT(1)
-#define AR9170_FILTER_CHANGED_FRAMEFILTER BIT(2)
-
/* exported interface */
void *ar9170_alloc(size_t priv_size);
int ar9170_register(struct ar9170 *ar, struct device *pdev);
@@ -278,8 +272,8 @@ int ar9170_nag_limiter(struct ar9170 *ar);
int ar9170_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb);
int ar9170_init_mac(struct ar9170 *ar);
int ar9170_set_qos(struct ar9170 *ar);
-int ar9170_update_multicast(struct ar9170 *ar);
-int ar9170_update_frame_filter(struct ar9170 *ar);
+int ar9170_update_multicast(struct ar9170 *ar, const u64 mc_hast);
+int ar9170_update_frame_filter(struct ar9170 *ar, const u32 filter);
int ar9170_set_operating_mode(struct ar9170 *ar);
int ar9170_set_beacon_timers(struct ar9170 *ar);
int ar9170_set_dyn_sifs_ack(struct ar9170 *ar);
diff --git a/drivers/net/wireless/ath/ar9170/mac.c b/drivers/net/wireless/ath/ar9170/mac.c
index d9f1f46de18..60049366e86 100644
--- a/drivers/net/wireless/ath/ar9170/mac.c
+++ b/drivers/net/wireless/ath/ar9170/mac.c
@@ -238,39 +238,31 @@ static int ar9170_set_mac_reg(struct ar9170 *ar, const u32 reg, const u8 *mac)
return ar9170_regwrite_result();
}
-int ar9170_update_multicast(struct ar9170 *ar)
+int ar9170_update_multicast(struct ar9170 *ar, const u64 mc_hash)
{
int err;
ar9170_regwrite_begin(ar);
- ar9170_regwrite(AR9170_MAC_REG_GROUP_HASH_TBL_H,
- ar->want_mc_hash >> 32);
- ar9170_regwrite(AR9170_MAC_REG_GROUP_HASH_TBL_L,
- ar->want_mc_hash);
-
+ ar9170_regwrite(AR9170_MAC_REG_GROUP_HASH_TBL_H, mc_hash >> 32);
+ ar9170_regwrite(AR9170_MAC_REG_GROUP_HASH_TBL_L, mc_hash);
ar9170_regwrite_finish();
err = ar9170_regwrite_result();
-
if (err)
return err;
- ar->cur_mc_hash = ar->want_mc_hash;
-
+ ar->cur_mc_hash = mc_hash;
return 0;
}
-int ar9170_update_frame_filter(struct ar9170 *ar)
+int ar9170_update_frame_filter(struct ar9170 *ar, const u32 filter)
{
int err;
- err = ar9170_write_reg(ar, AR9170_MAC_REG_FRAMETYPE_FILTER,
- ar->want_filter);
-
+ err = ar9170_write_reg(ar, AR9170_MAC_REG_FRAMETYPE_FILTER, filter);
if (err)
return err;
- ar->cur_filter = ar->want_filter;
-
+ ar->cur_filter = filter;
return 0;
}
diff --git a/drivers/net/wireless/ath/ar9170/main.c b/drivers/net/wireless/ath/ar9170/main.c
index ea8c9419336..658b32312ca 100644
--- a/drivers/net/wireless/ath/ar9170/main.c
+++ b/drivers/net/wireless/ath/ar9170/main.c
@@ -1232,8 +1232,6 @@ static int ar9170_op_start(struct ieee80211_hw *hw)
mutex_lock(&ar->mutex);
- ar->filter_changed = 0;
-
/* reinitialize queues statistics */
memset(&ar->tx_stats, 0, sizeof(ar->tx_stats));
for (i = 0; i < __AR9170_NUM_TXQ; i++)
@@ -1296,7 +1294,6 @@ static void ar9170_op_stop(struct ieee80211_hw *hw)
#ifdef CONFIG_AR9170_LEDS
cancel_delayed_work_sync(&ar->led_work);
#endif
- cancel_work_sync(&ar->filter_config_work);
cancel_work_sync(&ar->beacon_work);
mutex_lock(&ar->mutex);
@@ -1973,8 +1970,7 @@ static int ar9170_op_add_interface(struct ieee80211_hw *hw,
}
ar->cur_filter = 0;
- ar->want_filter = AR9170_MAC_REG_FTF_DEFAULTS;
- err = ar9170_update_frame_filter(ar);
+ err = ar9170_update_frame_filter(ar, AR9170_MAC_REG_FTF_DEFAULTS);
if (err)
goto unlock;
@@ -1992,8 +1988,7 @@ static void ar9170_op_remove_interface(struct ieee80211_hw *hw,
mutex_lock(&ar->mutex);
ar->vif = NULL;
- ar->want_filter = 0;
- ar9170_update_frame_filter(ar);
+ ar9170_update_frame_filter(ar, 0);
ar9170_set_beacon_timers(ar);
dev_kfree_skb(ar->beacon);
ar->beacon = NULL;
@@ -2065,48 +2060,37 @@ out:
return err;
}
-static void ar9170_set_filters(struct work_struct *work)
+static u64 ar9170_op_prepare_multicast(struct ieee80211_hw *hw, int mc_count,
+ struct dev_addr_list *mclist)
{
- struct ar9170 *ar = container_of(work, struct ar9170,
- filter_config_work);
- int err;
-
- if (unlikely(!IS_STARTED(ar)))
- return ;
-
- mutex_lock(&ar->mutex);
- if (test_and_clear_bit(AR9170_FILTER_CHANGED_MODE,
- &ar->filter_changed)) {
- err = ar9170_set_operating_mode(ar);
- if (err)
- goto unlock;
- }
+ u64 mchash;
+ int i;
- if (test_and_clear_bit(AR9170_FILTER_CHANGED_MULTICAST,
- &ar->filter_changed)) {
- err = ar9170_update_multicast(ar);
- if (err)
- goto unlock;
- }
+ /* always get broadcast frames */
+ mchash = 1ULL << (0xff >> 2);
- if (test_and_clear_bit(AR9170_FILTER_CHANGED_FRAMEFILTER,
- &ar->filter_changed)) {
- err = ar9170_update_frame_filter(ar);
- if (err)
- goto unlock;
+ for (i = 0; i < mc_count; i++) {
+ if (WARN_ON(!mclist))
+ break;
+ mchash |= 1ULL << (mclist->dmi_addr[5] >> 2);
+ mclist = mclist->next;
}
-unlock:
- mutex_unlock(&ar->mutex);
+ return mchash;
}
static void ar9170_op_configure_filter(struct ieee80211_hw *hw,
unsigned int changed_flags,
unsigned int *new_flags,
- int mc_count, struct dev_mc_list *mclist)
+ u64 multicast)
{
struct ar9170 *ar = hw->priv;
+ if (unlikely(!IS_ACCEPTING_CMD(ar)))
+ return ;
+
+ mutex_lock(&ar->mutex);
+
/* mask supported flags */
*new_flags &= FIF_ALLMULTI | FIF_CONTROL | FIF_BCN_PRBRESP_PROMISC |
FIF_PROMISC_IN_BSS | FIF_FCSFAIL | FIF_PLCPFAIL;
@@ -2116,26 +2100,11 @@ static void ar9170_op_configure_filter(struct ieee80211_hw *hw,
* then checking the error flags, later.
*/
- if (changed_flags & FIF_ALLMULTI) {
- if (*new_flags & FIF_ALLMULTI) {
- ar->want_mc_hash = ~0ULL;
- } else {
- u64 mchash;
- int i;
+ if (changed_flags & FIF_ALLMULTI && *new_flags & FIF_ALLMULTI)
+ multicast = ~0ULL;
- /* always get broadcast frames */
- mchash = 1ULL << (0xff >> 2);
-
- for (i = 0; i < mc_count; i++) {
- if (WARN_ON(!mclist))
- break;
- mchash |= 1ULL << (mclist->dmi_addr[5] >> 2);
- mclist = mclist->next;
- }
- ar->want_mc_hash = mchash;
- }
- set_bit(AR9170_FILTER_CHANGED_MULTICAST, &ar->filter_changed);
- }
+ if (multicast != ar->cur_mc_hash)
+ ar9170_update_multicast(ar, multicast);
if (changed_flags & FIF_CONTROL) {
u32 filter = AR9170_MAC_REG_FTF_PSPOLL |
@@ -2146,24 +2115,22 @@ static void ar9170_op_configure_filter(struct ieee80211_hw *hw,
AR9170_MAC_REG_FTF_CFE_ACK;
if (*new_flags & FIF_CONTROL)
- ar->want_filter = ar->cur_filter | filter;
+ filter |= ar->cur_filter;
else
- ar->want_filter = ar->cur_filter & ~filter;
+ filter &= (~ar->cur_filter);
- set_bit(AR9170_FILTER_CHANGED_FRAMEFILTER,
- &ar->filter_changed);
+ ar9170_update_frame_filter(ar, filter);
}
if (changed_flags & FIF_PROMISC_IN_BSS) {
ar->sniffer_enabled = ((*new_flags) & FIF_PROMISC_IN_BSS) != 0;
- set_bit(AR9170_FILTER_CHANGED_MODE,
- &ar->filter_changed);
+ ar9170_set_operating_mode(ar);
}
- if (likely(IS_STARTED(ar)))
- ieee80211_queue_work(ar->hw, &ar->filter_config_work);
+ mutex_unlock(&ar->mutex);
}
+
static void ar9170_op_bss_info_changed(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *bss_conf,
@@ -2417,9 +2384,6 @@ static void ar9170_sta_notify(struct ieee80211_hw *hw,
default:
break;
}
-
- if (IS_STARTED(ar) && ar->filter_changed)
- ieee80211_queue_work(ar->hw, &ar->filter_config_work);
}
static int ar9170_get_stats(struct ieee80211_hw *hw,
@@ -2543,6 +2507,7 @@ static const struct ieee80211_ops ar9170_ops = {
.add_interface = ar9170_op_add_interface,
.remove_interface = ar9170_op_remove_interface,
.config = ar9170_op_config,
+ .prepare_multicast = ar9170_op_prepare_multicast,
.configure_filter = ar9170_op_configure_filter,
.conf_tx = ar9170_conf_tx,
.bss_info_changed = ar9170_op_bss_info_changed,
@@ -2589,7 +2554,6 @@ void *ar9170_alloc(size_t priv_size)
skb_queue_head_init(&ar->tx_pending[i]);
}
ar9170_rx_reset_rx_mpdu(ar);
- INIT_WORK(&ar->filter_config_work, ar9170_set_filters);
INIT_WORK(&ar->beacon_work, ar9170_new_beacon);
INIT_DELAYED_WORK(&ar->tx_janitor, ar9170_tx_janitor);
INIT_LIST_HEAD(&ar->tx_ampdu_list);
@@ -2634,6 +2598,7 @@ static int ar9170_read_eeprom(struct ar9170 *ar)
{
#define RW 8 /* number of words to read at once */
#define RB (sizeof(u32) * RW)
+ struct ath_regulatory *regulatory = &ar->common.regulatory;
u8 *eeprom = (void *)&ar->eeprom;
u8 *addr = ar->eeprom.mac_address;
__le32 offsets[RW];
@@ -2700,8 +2665,8 @@ static int ar9170_read_eeprom(struct ar9170 *ar)
else
ar->hw->channel_change_time = 80 * 1000;
- ar->regulatory.current_rd = le16_to_cpu(ar->eeprom.reg_domain[0]);
- ar->regulatory.current_rd_ext = le16_to_cpu(ar->eeprom.reg_domain[1]);
+ regulatory->current_rd = le16_to_cpu(ar->eeprom.reg_domain[0]);
+ regulatory->current_rd_ext = le16_to_cpu(ar->eeprom.reg_domain[1]);
/* second part of wiphy init */
SET_IEEE80211_PERM_ADDR(ar->hw, addr);
@@ -2715,11 +2680,12 @@ static int ar9170_reg_notifier(struct wiphy *wiphy,
struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
struct ar9170 *ar = hw->priv;
- return ath_reg_notifier_apply(wiphy, request, &ar->regulatory);
+ return ath_reg_notifier_apply(wiphy, request, &ar->common.regulatory);
}
int ar9170_register(struct ar9170 *ar, struct device *pdev)
{
+ struct ath_regulatory *regulatory = &ar->common.regulatory;
int err;
/* try to read EEPROM, init MAC addr */
@@ -2727,7 +2693,7 @@ int ar9170_register(struct ar9170 *ar, struct device *pdev)
if (err)
goto err_out;
- err = ath_regd_init(&ar->regulatory, ar->hw->wiphy,
+ err = ath_regd_init(regulatory, ar->hw->wiphy,
ar9170_reg_notifier);
if (err)
goto err_out;
@@ -2736,8 +2702,8 @@ int ar9170_register(struct ar9170 *ar, struct device *pdev)
if (err)
goto err_out;
- if (!ath_is_world_regd(&ar->regulatory))
- regulatory_hint(ar->hw->wiphy, ar->regulatory.alpha2);
+ if (!ath_is_world_regd(regulatory))
+ regulatory_hint(ar->hw->wiphy, regulatory->alpha2);
err = ar9170_init_leds(ar);
if (err)