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iwmc3200wifi: add disconnect work

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When the driver receives "connection terminated" event from device,
it could be caused by 2 reasons: the firmware is roaming or the
connection is lost (AP disappears). For the former, an association
complete event is supposed to come within 3 seconds. For the latter,
the driver won't receive any event except the connection terminated.
So we kick a delayed work (5*HZ) when we receive the connection
terminated event. It will be canceled if it turns out to be a roaming
event later. Otherwise we notify SME and userspace the disconnection.

Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Zhu Yi
2009-09-01 15:14:02 +02:00
committed by John W. Linville
parent de15fd31fc
commit c743627388
3 changed files with 49 additions and 5 deletions
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21
drivers/net/wireless/iwmc3200wifi/main.c
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@@ -108,6 +108,26 @@ static void iwm_statistics_request(struct work_struct *work)
iwm_send_umac_stats_req(iwm, 0);
}
static void iwm_disconnect_work(struct work_struct *work)
{
struct iwm_priv *iwm =
container_of(work, struct iwm_priv, disconnect.work);
if (iwm->umac_profile_active)
iwm_invalidate_mlme_profile(iwm);
clear_bit(IWM_STATUS_ASSOCIATED, &iwm->status);
iwm->umac_profile_active = 0;
memset(iwm->bssid, 0, ETH_ALEN);
iwm->channel = 0;
iwm_link_off(iwm);
wake_up_interruptible(&iwm->mlme_queue);
cfg80211_disconnected(iwm_to_ndev(iwm), 0, NULL, 0, GFP_KERNEL);
}
int __iwm_up(struct iwm_priv *iwm);
int __iwm_down(struct iwm_priv *iwm);
@@ -198,6 +218,7 @@ int iwm_priv_init(struct iwm_priv *iwm)
spin_lock_init(&iwm->cmd_lock);
iwm->scan_id = 1;
INIT_DELAYED_WORK(&iwm->stats_request, iwm_statistics_request);
INIT_DELAYED_WORK(&iwm->disconnect, iwm_disconnect_work);
INIT_WORK(&iwm->reset_worker, iwm_reset_worker);
INIT_LIST_HEAD(&iwm->bss_list);