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ath9k_htc: Set the BSSID mask for multiple interfaces

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Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith Manoharan 2011-02-21 07:48:46 +05:30 committed by John W. Linville
parent 7c277349ec
commit 585895cdfc
2 changed files with 40 additions and 0 deletions
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5
drivers/net/wireless/ath/ath9k/htc.h
View file

@ -210,6 +210,11 @@ struct ath9k_htc_vif {
u8 index;
};
struct ath9k_vif_iter_data {
const u8 *hw_macaddr;
u8 mask[ETH_ALEN];
};
#define ATH9K_HTC_MAX_STA 8
#define ATH9K_HTC_MAX_TID 8

35
drivers/net/wireless/ath/ath9k/htc_drv_main.c
View file

@ -133,6 +133,39 @@ static void ath9k_htc_vif_reconfig(struct ath9k_htc_priv *priv)
}
}
static void ath9k_htc_bssid_iter(void *data, u8 *mac, struct ieee80211_vif *vif)
{
struct ath9k_vif_iter_data *iter_data = data;
int i;
for (i = 0; i < ETH_ALEN; i++)
iter_data->mask[i] &= ~(iter_data->hw_macaddr[i] ^ mac[i]);
}
static void ath9k_htc_set_bssid_mask(struct ath9k_htc_priv *priv,
struct ieee80211_vif *vif)
{
struct ath_common *common = ath9k_hw_common(priv->ah);
struct ath9k_vif_iter_data iter_data;
/*
* Use the hardware MAC address as reference, the hardware uses it
* together with the BSSID mask when matching addresses.
*/
iter_data.hw_macaddr = common->macaddr;
memset(&iter_data.mask, 0xff, ETH_ALEN);
if (vif)
ath9k_htc_bssid_iter(&iter_data, vif->addr, vif);
/* Get list of all active MAC addresses */
ieee80211_iterate_active_interfaces_atomic(priv->hw, ath9k_htc_bssid_iter,
&iter_data);
memcpy(common->bssidmask, iter_data.mask, ETH_ALEN);
ath_hw_setbssidmask(common);
}
void ath9k_htc_reset(struct ath9k_htc_priv *priv)
{
struct ath_hw *ah = priv->ah;
@ -1200,6 +1233,8 @@ static int ath9k_htc_add_interface(struct ieee80211_hw *hw,
goto out;
}
ath9k_htc_set_bssid_mask(priv, vif);
priv->ah->opmode = vif->type;
priv->vif_slot |= (1 << avp->index);
priv->nvifs++;