On Fri, 2008-04-04 at 16:59 -0700, Reinette Chatre wrote:
> From: Mohamed Abbas <mabbas@xxxxxxxxxxxxxxx>
>
> Add new API to MAC80211 to allow low level driver to
> notify MAC with driver status.
Looks ok to me now.
> Signed-off-by: Mohamed Abbas <mabbas@xxxxxxxxxxxxxxx>
> Signed-off-by: Reinette Chatre <reinette.chatre@xxxxxxxxx>
Acked-by: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
> ---
> drivers/net/wireless/iwlwifi/iwl3945-base.c | 1 +
> drivers/net/wireless/iwlwifi/iwl4965-base.c | 1 +
> include/net/mac80211.h | 19 +++++++++++++++++++
> net/mac80211/ieee80211_sta.c | 23 +++++++++++++++++++++++
> 4 files changed, 44 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
> index d4daa04..19a14ad 100644
> --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
> +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
> @@ -5883,6 +5883,7 @@ static void iwl3945_alive_start(struct iwl3945_priv *priv)
> if (priv->error_recovering)
> iwl3945_error_recovery(priv);
>
> + ieee80211_notify_mac(priv->hw, IEEE80211_NOTIFY_RE_ASSOC);
> return;
>
> restart:
> diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c
> index 4517e4c..4de81d8 100644
> --- a/drivers/net/wireless/iwlwifi/iwl4965-base.c
> +++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c
> @@ -5711,6 +5711,7 @@ static void iwl4965_alive_start(struct iwl_priv *priv)
> iwl4965_error_recovery(priv);
>
> iwlcore_low_level_notify(priv, IWLCORE_START_EVT);
> + ieee80211_notify_mac(priv->hw, IEEE80211_NOTIFY_RE_ASSOC);
> return;
>
> restart:
> diff --git a/include/net/mac80211.h b/include/net/mac80211.h
> index 01b3215..0bc73e2 100644
> --- a/include/net/mac80211.h
> +++ b/include/net/mac80211.h
> @@ -74,6 +74,14 @@
> */
>
> /**
> + * enum ieee80211_notification_type - Low level driver notification
> + * @IEEE80211_NOTIFY_RE_ASSOC: start the re-association sequence
> + */
> +enum ieee80211_notification_types {
> + IEEE80211_NOTIFY_RE_ASSOC,
> +};
> +
> +/**
> * struct ieee80211_ht_bss_info - describing BSS's HT characteristics
> *
> * This structure describes most essential parameters needed
> @@ -1677,4 +1685,15 @@ void ieee80211_stop_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u8 tid);
> void ieee80211_stop_tx_ba_cb_irqsafe(struct ieee80211_hw *hw, const u8 *ra,
> u16 tid);
>
> +/**
> + * ieee80211_notify_mac - low level driver notification
> + * @hw: pointer as obtained from ieee80211_alloc_hw().
> + * @notification_types: enum ieee80211_notification_types
> + *
> + * This function must be called by low level driver to inform mac80211 of
> + * low level driver status change or force mac80211 to re-assoc for low
> + * level driver internal error that require re-assoc.
> + */
> +void ieee80211_notify_mac(struct ieee80211_hw *hw,
> + enum ieee80211_notification_types notif_type);
> #endif /* MAC80211_H */
> diff --git a/net/mac80211/ieee80211_sta.c b/net/mac80211/ieee80211_sta.c
> index f3c8a21..833b225 100644
> --- a/net/mac80211/ieee80211_sta.c
> +++ b/net/mac80211/ieee80211_sta.c
> @@ -4235,3 +4235,26 @@ int ieee80211_sta_disassociate(struct net_device *dev, u16 reason)
> ieee80211_set_disassoc(dev, ifsta, 0);
> return 0;
> }
> +
> +void ieee80211_notify_mac(struct ieee80211_hw *hw,
> + enum ieee80211_notification_types notif_type)
> +{
> + struct ieee80211_local *local = hw_to_local(hw);
> + struct ieee80211_sub_if_data *sdata;
> +
> + switch (notif_type) {
> + case IEEE80211_NOTIFY_RE_ASSOC:
> + rcu_read_lock();
> + list_for_each_entry_rcu(sdata, &local->interfaces, list) {
> +
> + if (sdata->vif.type == IEEE80211_IF_TYPE_STA) {
> + ieee80211_sta_req_auth(sdata->dev,
> + &sdata->u.sta);
> + }
> +
> + }
> + rcu_read_unlock();
> + break;
> + }
> +}
> +EXPORT_SYMBOL(ieee80211_notify_mac);
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