#include "ieee80211softmac_priv.h"
-static void ieee80211softmac_auth_queue(void *data);
+static void ieee80211softmac_auth_queue(struct work_struct *work);
/* Queues an auth request to the desired AP */
int
-ieee80211softmac_auth_req(struct ieee80211softmac_device *mac,
+ieee80211softmac_auth_req(struct ieee80211softmac_device *mac,
struct ieee80211softmac_network *net)
{
struct ieee80211softmac_auth_queue_item *auth;
unsigned long flags;
-
+
if (net->authenticating || net->authenticated)
return 0;
net->authenticating = 1;
auth->mac = mac;
auth->retry = IEEE80211SOFTMAC_AUTH_RETRY_LIMIT;
auth->state = IEEE80211SOFTMAC_AUTH_OPEN_REQUEST;
- INIT_WORK(&auth->work, &ieee80211softmac_auth_queue, (void *)auth);
-
+ INIT_DELAYED_WORK(&auth->work, ieee80211softmac_auth_queue);
+
/* Lock (for list) */
spin_lock_irqsave(&mac->lock, flags);
/* add to list */
list_add_tail(&auth->list, &mac->auth_queue);
- schedule_work(&auth->work);
+ schedule_delayed_work(&auth->work, 0);
spin_unlock_irqrestore(&mac->lock, flags);
-
+
return 0;
}
/* Sends an auth request to the desired AP and handles timeouts */
static void
-ieee80211softmac_auth_queue(void *data)
+ieee80211softmac_auth_queue(struct work_struct *work)
{
struct ieee80211softmac_device *mac;
struct ieee80211softmac_auth_queue_item *auth;
struct ieee80211softmac_network *net;
unsigned long flags;
- auth = (struct ieee80211softmac_auth_queue_item *)data;
+ auth = container_of(work, struct ieee80211softmac_auth_queue_item,
+ work.work);
net = auth->net;
mac = auth->mac;
if(auth->retry > 0) {
/* Switch to correct channel for this network */
mac->set_channel(mac->dev, net->channel);
-
+
/* Lock and set flags */
spin_lock_irqsave(&mac->lock, flags);
if (unlikely(!mac->running)) {
/* Sends a response to an auth challenge (for shared key auth). */
static void
-ieee80211softmac_auth_challenge_response(void *_aq)
+ieee80211softmac_auth_challenge_response(struct work_struct *work)
{
- struct ieee80211softmac_auth_queue_item *aq = _aq;
+ struct ieee80211softmac_auth_queue_item *aq =
+ container_of(work, struct ieee80211softmac_auth_queue_item,
+ work.work);
/* Send our response */
ieee80211softmac_send_mgt_frame(aq->mac, aq->net, IEEE80211_STYPE_AUTH, aq->state);
}
/* Handle the auth response from the AP
- * This should be registered with ieee80211 as handle_auth
+ * This should be registered with ieee80211 as handle_auth
*/
-int
+int
ieee80211softmac_auth_resp(struct net_device *dev, struct ieee80211_auth *auth)
-{
+{
struct list_head *list_ptr;
struct ieee80211softmac_device *mac = ieee80211_priv(dev);
struct ieee80211softmac_network *net = NULL;
unsigned long flags;
u8 * data;
-
+
if (unlikely(!mac->running))
return -ENODEV;
aq = NULL;
}
spin_unlock_irqrestore(&mac->lock, flags);
-
+
/* Make sure that we've got an auth queue item for this request */
if(aq == NULL)
{
- printkl(KERN_DEBUG PFX "Authentication response received from "MAC_FMT" but no queue item exists.\n", MAC_ARG(auth->header.addr2));
+ dprintkl(KERN_DEBUG PFX "Authentication response received from "MAC_FMT" but no queue item exists.\n", MAC_ARG(auth->header.addr2));
/* Error #? */
return -1;
- }
-
+ }
+
/* Check for out of order authentication */
if(!net->authenticating)
{
- printkl(KERN_DEBUG PFX "Authentication response received from "MAC_FMT" but did not request authentication.\n",MAC_ARG(auth->header.addr2));
+ dprintkl(KERN_DEBUG PFX "Authentication response received from "MAC_FMT" but did not request authentication.\n",MAC_ARG(auth->header.addr2));
return -1;
}
case WLAN_STATUS_SUCCESS:
/* Update the status to Authenticated */
spin_lock_irqsave(&mac->lock, flags);
- net->authenticating = 0;
+ net->authenticating = 0;
net->authenticated = 1;
spin_unlock_irqrestore(&mac->lock, flags);
-
+
/* Send event */
printkl(KERN_NOTICE PFX "Open Authentication completed with "MAC_FMT"\n", MAC_ARG(net->bssid));
ieee80211softmac_call_events(mac, IEEE80211SOFTMAC_EVENT_AUTHENTICATED, net);
net->authenticated = 0;
net->authenticating = 0;
spin_unlock_irqrestore(&mac->lock, flags);
-
- printkl(KERN_NOTICE PFX "Open Authentication with "MAC_FMT" failed, error code: %i\n",
+
+ printkl(KERN_NOTICE PFX "Open Authentication with "MAC_FMT" failed, error code: %i\n",
MAC_ARG(net->bssid), le16_to_cpup(&auth->status));
/* Count the error? */
break;
data = (u8 *)auth->info_element;
if (*data++ != MFIE_TYPE_CHALLENGE) {
printkl(KERN_NOTICE PFX "Shared Key Authentication failed due to a missing challenge.\n");
- break;
+ break;
}
/* Save the challenge */
spin_lock_irqsave(&mac->lock, flags);
- net->challenge_len = *data++;
+ net->challenge_len = *data++;
if (net->challenge_len > WLAN_AUTH_CHALLENGE_LEN)
net->challenge_len = WLAN_AUTH_CHALLENGE_LEN;
- if (net->challenge != NULL)
- kfree(net->challenge);
- net->challenge = kmalloc(net->challenge_len, GFP_ATOMIC);
- memcpy(net->challenge, data, net->challenge_len);
- aq->state = IEEE80211SOFTMAC_AUTH_SHARED_RESPONSE;
+ kfree(net->challenge);
+ net->challenge = kmemdup(data, net->challenge_len,
+ GFP_ATOMIC);
+ if (net->challenge == NULL) {
+ printkl(KERN_NOTICE PFX "Shared Key "
+ "Authentication failed due to "
+ "memory shortage.\n");
+ spin_unlock_irqrestore(&mac->lock, flags);
+ break;
+ }
+ aq->state = IEEE80211SOFTMAC_AUTH_SHARED_RESPONSE;
/* We reuse the work struct from the auth request here.
* It is safe to do so as each one is per-request, and
* we have obviously already sent the initial auth
* request. */
cancel_delayed_work(&aq->work);
- INIT_WORK(&aq->work, &ieee80211softmac_auth_challenge_response, (void *)aq);
- schedule_work(&aq->work);
+ INIT_DELAYED_WORK(&aq->work, &ieee80211softmac_auth_challenge_response);
+ schedule_delayed_work(&aq->work, 0);
spin_unlock_irqrestore(&mac->lock, flags);
return 0;
case IEEE80211SOFTMAC_AUTH_SHARED_PASS:
/* Check the status code of the response */
switch(auth->status) {
case WLAN_STATUS_SUCCESS:
- /* Update the status to Authenticated */
+ /* Update the status to Authenticated */
spin_lock_irqsave(&mac->lock, flags);
net->authenticating = 0;
net->authenticated = 1;
spin_unlock_irqrestore(&mac->lock, flags);
- printkl(KERN_NOTICE PFX "Shared Key Authentication completed with "MAC_FMT"\n",
+ printkl(KERN_NOTICE PFX "Shared Key Authentication completed with "MAC_FMT"\n",
MAC_ARG(net->bssid));
ieee80211softmac_call_events(mac, IEEE80211SOFTMAC_EVENT_AUTHENTICATED, net);
break;
default:
- printkl(KERN_NOTICE PFX "Shared Key Authentication with "MAC_FMT" failed, error code: %i\n",
+ printkl(KERN_NOTICE PFX "Shared Key Authentication with "MAC_FMT" failed, error code: %i\n",
MAC_ARG(net->bssid), le16_to_cpup(&auth->status));
/* Lock and reset flags */
spin_lock_irqsave(&mac->lock, flags);
- net->authenticating = 0;
- net->authenticated = 0;
+ net->authenticating = 0;
+ net->authenticated = 0;
spin_unlock_irqrestore(&mac->lock, flags);
/* Count the error? */
break;
goto free_aq;
break;
default:
- /* ERROR */
+ /* ERROR */
goto free_aq;
break;
}
spin_lock_irqsave(&mac->lock, flags);
net->authenticating = 0;
net->authenticated = 0;
-
+
/* Find correct auth queue item, if it exists */
list_for_each(list_ptr, &mac->auth_queue) {
aq = list_entry(list_ptr, struct ieee80211softmac_auth_queue_item, list);
else
aq = NULL;
}
-
+
/* Cancel pending work */
if(aq != NULL)
/* Not entirely safe? What about running work? */
if(net->challenge != NULL)
kfree(net->challenge);
kfree(net);
-
+
/* can't transmit data right now... */
netif_carrier_off(mac->dev);
spin_unlock_irqrestore(&mac->lock, flags);
+
+ ieee80211softmac_try_reassoc(mac);
}
-/*
+/*
* Sends a deauth request to the desired AP
*/
-int
-ieee80211softmac_deauth_req(struct ieee80211softmac_device *mac,
+int
+ieee80211softmac_deauth_req(struct ieee80211softmac_device *mac,
struct ieee80211softmac_network *net, int reason)
{
int ret;
-
+
/* Make sure the network is authenticated */
if (!net->authenticated)
{
- printkl(KERN_DEBUG PFX "Can't send deauthentication packet, network is not authenticated.\n");
+ dprintkl(KERN_DEBUG PFX "Can't send deauthentication packet, network is not authenticated.\n");
/* Error okay? */
return -EPERM;
}
-
+
/* Send the de-auth packet */
if((ret = ieee80211softmac_send_mgt_frame(mac, net, IEEE80211_STYPE_DEAUTH, reason)))
return ret;
-
+
ieee80211softmac_deauth_from_net(mac, net);
return 0;
}
-
+
/*
* This should be registered with ieee80211 as handle_deauth
*/
-int
+int
ieee80211softmac_deauth_resp(struct net_device *dev, struct ieee80211_deauth *deauth)
{
-
+
struct ieee80211softmac_network *net = NULL;
struct ieee80211softmac_device *mac = ieee80211_priv(dev);
-
+
if (unlikely(!mac->running))
return -ENODEV;
}
net = ieee80211softmac_get_network_by_bssid(mac, deauth->header.addr2);
-
+
if (net == NULL) {
- printkl(KERN_DEBUG PFX "Received deauthentication packet from "MAC_FMT", but that network is unknown.\n",
+ dprintkl(KERN_DEBUG PFX "Received deauthentication packet from "MAC_FMT", but that network is unknown.\n",
MAC_ARG(deauth->header.addr2));
return 0;
}
/* Make sure the network is authenticated */
if(!net->authenticated)
{
- printkl(KERN_DEBUG PFX "Can't perform deauthentication, network is not authenticated.\n");
+ dprintkl(KERN_DEBUG PFX "Can't perform deauthentication, network is not authenticated.\n");
/* Error okay? */
return -EPERM;
}
ieee80211softmac_deauth_from_net(mac, net);
/* let's try to re-associate */
- schedule_work(&mac->associnfo.work);
+ schedule_delayed_work(&mac->associnfo.work, 0);
return 0;
}
projects / linux-drm-fsl-dcu.git / blobdiff