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-rw-r--r--net/ieee80211/softmac/Kconfig1
-rw-r--r--net/ieee80211/softmac/ieee80211softmac_assoc.c96
-rw-r--r--net/ieee80211/softmac/ieee80211softmac_auth.c15
-rw-r--r--net/ieee80211/softmac/ieee80211softmac_event.c30
-rw-r--r--net/ieee80211/softmac/ieee80211softmac_io.c169
-rw-r--r--net/ieee80211/softmac/ieee80211softmac_module.c117
-rw-r--r--net/ieee80211/softmac/ieee80211softmac_priv.h5
-rw-r--r--net/ieee80211/softmac/ieee80211softmac_wx.c36
8 files changed, 293 insertions, 176 deletions
diff --git a/net/ieee80211/softmac/Kconfig b/net/ieee80211/softmac/Kconfig
index f2a27cc6ecb..2811651cb13 100644
--- a/net/ieee80211/softmac/Kconfig
+++ b/net/ieee80211/softmac/Kconfig
@@ -2,6 +2,7 @@ config IEEE80211_SOFTMAC
tristate "Software MAC add-on to the IEEE 802.11 networking stack"
depends on IEEE80211 && EXPERIMENTAL
select WIRELESS_EXT
+ select IEEE80211_CRYPT_WEP
---help---
This option enables the hardware independent software MAC addon
for the IEEE 802.11 networking stack.
diff --git a/net/ieee80211/softmac/ieee80211softmac_assoc.c b/net/ieee80211/softmac/ieee80211softmac_assoc.c
index 57ea9f6f465..5e9a90651d0 100644
--- a/net/ieee80211/softmac/ieee80211softmac_assoc.c
+++ b/net/ieee80211/softmac/ieee80211softmac_assoc.c
@@ -82,51 +82,52 @@ ieee80211softmac_assoc_timeout(void *d)
ieee80211softmac_call_events(mac, IEEE80211SOFTMAC_EVENT_ASSOCIATE_TIMEOUT, NULL);
}
-/* Sends out a disassociation request to the desired AP */
-static void
-ieee80211softmac_disassoc(struct ieee80211softmac_device *mac, u16 reason)
+void
+ieee80211softmac_disassoc(struct ieee80211softmac_device *mac)
{
unsigned long flags;
+
+ spin_lock_irqsave(&mac->lock, flags);
+ if (mac->associnfo.associating)
+ cancel_delayed_work(&mac->associnfo.timeout);
+
+ netif_carrier_off(mac->dev);
+
+ mac->associated = 0;
+ mac->associnfo.bssvalid = 0;
+ mac->associnfo.associating = 0;
+ ieee80211softmac_init_txrates(mac);
+ ieee80211softmac_call_events_locked(mac, IEEE80211SOFTMAC_EVENT_DISASSOCIATED, NULL);
+ spin_unlock_irqrestore(&mac->lock, flags);
+}
+
+/* Sends out a disassociation request to the desired AP */
+void
+ieee80211softmac_send_disassoc_req(struct ieee80211softmac_device *mac, u16 reason)
+{
struct ieee80211softmac_network *found;
if (mac->associnfo.bssvalid && mac->associated) {
found = ieee80211softmac_get_network_by_bssid(mac, mac->associnfo.bssid);
if (found)
ieee80211softmac_send_mgt_frame(mac, found, IEEE80211_STYPE_DISASSOC, reason);
- } else if (mac->associnfo.associating) {
- cancel_delayed_work(&mac->associnfo.timeout);
}
- /* Change our state */
- spin_lock_irqsave(&mac->lock, flags);
- /* Do NOT clear bssvalid as that will break ieee80211softmac_assoc_work! */
- mac->associated = 0;
- mac->associnfo.associating = 0;
- ieee80211softmac_call_events_locked(mac, IEEE80211SOFTMAC_EVENT_DISASSOCIATED, NULL);
- spin_unlock_irqrestore(&mac->lock, flags);
+ ieee80211softmac_disassoc(mac);
}
static inline int
we_support_all_basic_rates(struct ieee80211softmac_device *mac, u8 *from, u8 from_len)
{
- int idx, search, found;
- u8 rate, search_rate;
+ int idx;
+ u8 rate;
for (idx = 0; idx < (from_len); idx++) {
rate = (from)[idx];
if (!(rate & IEEE80211_BASIC_RATE_MASK))
continue;
- found = 0;
rate &= ~IEEE80211_BASIC_RATE_MASK;
- for (search = 0; search < mac->ratesinfo.count; search++) {
- search_rate = mac->ratesinfo.rates[search];
- search_rate &= ~IEEE80211_BASIC_RATE_MASK;
- if (rate == search_rate) {
- found = 1;
- break;
- }
- }
- if (!found)
+ if (!ieee80211softmac_ratesinfo_rate_supported(&mac->ratesinfo, rate))
return 0;
}
return 1;
@@ -163,12 +164,28 @@ network_matches_request(struct ieee80211softmac_device *mac, struct ieee80211_ne
}
static void
-ieee80211softmac_assoc_notify(struct net_device *dev, void *context)
+ieee80211softmac_assoc_notify_scan(struct net_device *dev, int event_type, void *context)
{
struct ieee80211softmac_device *mac = ieee80211_priv(dev);
ieee80211softmac_assoc_work((void*)mac);
}
+static void
+ieee80211softmac_assoc_notify_auth(struct net_device *dev, int event_type, void *context)
+{
+ struct ieee80211softmac_device *mac = ieee80211_priv(dev);
+
+ switch (event_type) {
+ case IEEE80211SOFTMAC_EVENT_AUTHENTICATED:
+ ieee80211softmac_assoc_work((void*)mac);
+ break;
+ case IEEE80211SOFTMAC_EVENT_AUTH_FAILED:
+ case IEEE80211SOFTMAC_EVENT_AUTH_TIMEOUT:
+ ieee80211softmac_disassoc(mac);
+ break;
+ }
+}
+
/* This function is called to handle userspace requests (asynchronously) */
void
ieee80211softmac_assoc_work(void *d)
@@ -176,14 +193,18 @@ ieee80211softmac_assoc_work(void *d)
struct ieee80211softmac_device *mac = (struct ieee80211softmac_device *)d;
struct ieee80211softmac_network *found = NULL;
struct ieee80211_network *net = NULL, *best = NULL;
+ int bssvalid;
unsigned long flags;
-
+
+ /* ieee80211_disassoc might clear this */
+ bssvalid = mac->associnfo.bssvalid;
+
/* meh */
if (mac->associated)
- ieee80211softmac_disassoc(mac, WLAN_REASON_DISASSOC_STA_HAS_LEFT);
+ ieee80211softmac_send_disassoc_req(mac, WLAN_REASON_DISASSOC_STA_HAS_LEFT);
/* try to find the requested network in our list, if we found one already */
- if (mac->associnfo.bssvalid || mac->associnfo.bssfixed)
+ if (bssvalid || mac->associnfo.bssfixed)
found = ieee80211softmac_get_network_by_bssid(mac, mac->associnfo.bssid);
/* Search the ieee80211 networks for this network if we didn't find it by bssid,
@@ -244,7 +265,7 @@ ieee80211softmac_assoc_work(void *d)
* Maybe we can hope to have more memory after scanning finishes ;)
*/
dprintk(KERN_INFO PFX "Associate: Scanning for networks first.\n");
- ieee80211softmac_notify(mac->dev, IEEE80211SOFTMAC_EVENT_SCAN_FINISHED, ieee80211softmac_assoc_notify, NULL);
+ ieee80211softmac_notify(mac->dev, IEEE80211SOFTMAC_EVENT_SCAN_FINISHED, ieee80211softmac_assoc_notify_scan, NULL);
if (ieee80211softmac_start_scan(mac))
dprintk(KERN_INFO PFX "Associate: failed to initiate scan. Is device up?\n");
return;
@@ -279,7 +300,7 @@ ieee80211softmac_assoc_work(void *d)
* otherwise adding the notification would be racy. */
if (!ieee80211softmac_auth_req(mac, found)) {
dprintk(KERN_INFO PFX "cannot associate without being authenticated, requested authentication\n");
- ieee80211softmac_notify_internal(mac, IEEE80211SOFTMAC_EVENT_ANY, found, ieee80211softmac_assoc_notify, NULL, GFP_KERNEL);
+ ieee80211softmac_notify_internal(mac, IEEE80211SOFTMAC_EVENT_ANY, found, ieee80211softmac_assoc_notify_auth, NULL, GFP_KERNEL);
} else {
printkl(KERN_WARNING PFX "Not authenticated, but requesting authentication failed. Giving up to associate\n");
ieee80211softmac_call_events(mac, IEEE80211SOFTMAC_EVENT_ASSOCIATE_FAILED, found);
@@ -297,6 +318,9 @@ ieee80211softmac_associated(struct ieee80211softmac_device *mac,
struct ieee80211softmac_network *net)
{
mac->associnfo.associating = 0;
+ mac->associnfo.supported_rates = net->supported_rates;
+ ieee80211softmac_recalc_txrates(mac);
+
mac->associated = 1;
if (mac->set_bssid_filter)
mac->set_bssid_filter(mac->dev, net->bssid);
@@ -380,7 +404,6 @@ ieee80211softmac_handle_disassoc(struct net_device * dev,
struct ieee80211_disassoc *disassoc)
{
struct ieee80211softmac_device *mac = ieee80211_priv(dev);
- unsigned long flags;
if (unlikely(!mac->running))
return -ENODEV;
@@ -392,14 +415,11 @@ ieee80211softmac_handle_disassoc(struct net_device * dev,
return 0;
dprintk(KERN_INFO PFX "got disassoc frame\n");
- netif_carrier_off(dev);
- spin_lock_irqsave(&mac->lock, flags);
- mac->associnfo.bssvalid = 0;
- mac->associated = 0;
- ieee80211softmac_call_events_locked(mac, IEEE80211SOFTMAC_EVENT_DISASSOCIATED, NULL);
+ ieee80211softmac_disassoc(mac);
+
+ /* try to reassociate */
schedule_work(&mac->associnfo.work);
- spin_unlock_irqrestore(&mac->lock, flags);
-
+
return 0;
}
diff --git a/net/ieee80211/softmac/ieee80211softmac_auth.c b/net/ieee80211/softmac/ieee80211softmac_auth.c
index 06e33262466..90b8484e509 100644
--- a/net/ieee80211/softmac/ieee80211softmac_auth.c
+++ b/net/ieee80211/softmac/ieee80211softmac_auth.c
@@ -107,6 +107,7 @@ ieee80211softmac_auth_queue(void *data)
printkl(KERN_WARNING PFX "Authentication timed out with "MAC_FMT"\n", MAC_ARG(net->bssid));
/* Remove this item from the queue */
spin_lock_irqsave(&mac->lock, flags);
+ net->authenticating = 0;
ieee80211softmac_call_events_locked(mac, IEEE80211SOFTMAC_EVENT_AUTH_TIMEOUT, net);
cancel_delayed_work(&auth->work); /* just to make sure... */
list_del(&auth->list);
@@ -212,13 +213,13 @@ ieee80211softmac_auth_resp(struct net_device *dev, struct ieee80211_auth *auth)
aq->state = IEEE80211SOFTMAC_AUTH_SHARED_RESPONSE;
spin_unlock_irqrestore(&mac->lock, flags);
- /* Switch to correct channel for this network */
- mac->set_channel(mac->dev, net->channel);
-
- /* Send our response (How to encrypt?) */
+ /* Send our response */
ieee80211softmac_send_mgt_frame(mac, aq->net, IEEE80211_STYPE_AUTH, aq->state);
- break;
+ return 0;
case IEEE80211SOFTMAC_AUTH_SHARED_PASS:
+ kfree(net->challenge);
+ net->challenge = NULL;
+ net->challenge_len = 0;
/* Check the status code of the response */
switch(auth->status) {
case WLAN_STATUS_SUCCESS:
@@ -229,6 +230,7 @@ ieee80211softmac_auth_resp(struct net_device *dev, struct ieee80211_auth *auth)
spin_unlock_irqrestore(&mac->lock, flags);
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",
@@ -279,6 +281,9 @@ ieee80211softmac_deauth_from_net(struct ieee80211softmac_device *mac,
struct list_head *list_ptr;
unsigned long flags;
+ /* deauthentication implies disassociation */
+ ieee80211softmac_disassoc(mac);
+
/* Lock and reset status flags */
spin_lock_irqsave(&mac->lock, flags);
net->authenticating = 0;
diff --git a/net/ieee80211/softmac/ieee80211softmac_event.c b/net/ieee80211/softmac/ieee80211softmac_event.c
index 8cc8f3f0f8e..f34fa2ef666 100644
--- a/net/ieee80211/softmac/ieee80211softmac_event.c
+++ b/net/ieee80211/softmac/ieee80211softmac_event.c
@@ -38,7 +38,8 @@
* The event context is private and can only be used from
* within this module. Its meaning varies with the event
* type:
- * SCAN_FINISHED: no special meaning
+ * SCAN_FINISHED,
+ * DISASSOCIATED: NULL
* ASSOCIATED,
* ASSOCIATE_FAILED,
* ASSOCIATE_TIMEOUT,
@@ -59,15 +60,15 @@
*/
static char *event_descriptions[IEEE80211SOFTMAC_EVENT_LAST+1] = {
- "scan finished",
- "associated",
+ NULL, /* scan finished */
+ NULL, /* associated */
"associating failed",
"associating timed out",
"authenticated",
"authenticating failed",
"authenticating timed out",
"associating failed because no suitable network was found",
- "disassociated",
+ NULL, /* disassociated */
};
@@ -77,7 +78,7 @@ ieee80211softmac_notify_callback(void *d)
struct ieee80211softmac_event event = *(struct ieee80211softmac_event*) d;
kfree(d);
- event.fun(event.mac->dev, event.context);
+ event.fun(event.mac->dev, event.event_type, event.context);
}
int
@@ -136,30 +137,24 @@ ieee80211softmac_call_events_locked(struct ieee80211softmac_device *mac, int eve
int we_event;
char *msg = NULL;
+ memset(&wrqu, '\0', sizeof (union iwreq_data));
+
switch(event) {
case IEEE80211SOFTMAC_EVENT_ASSOCIATED:
network = (struct ieee80211softmac_network *)event_ctx;
- wrqu.data.length = 0;
- wrqu.data.flags = 0;
memcpy(wrqu.ap_addr.sa_data, &network->bssid[0], ETH_ALEN);
- wrqu.ap_addr.sa_family = ARPHRD_ETHER;
- we_event = SIOCGIWAP;
- break;
+ /* fall through */
case IEEE80211SOFTMAC_EVENT_DISASSOCIATED:
- wrqu.data.length = 0;
- wrqu.data.flags = 0;
- memset(&wrqu, '\0', sizeof (union iwreq_data));
wrqu.ap_addr.sa_family = ARPHRD_ETHER;
we_event = SIOCGIWAP;
break;
case IEEE80211SOFTMAC_EVENT_SCAN_FINISHED:
- wrqu.data.length = 0;
- wrqu.data.flags = 0;
- memset(&wrqu, '\0', sizeof (union iwreq_data));
we_event = SIOCGIWSCAN;
break;
default:
msg = event_descriptions[event];
+ if (!msg)
+ msg = "SOFTMAC EVENT BUG";
wrqu.data.length = strlen(msg);
we_event = IWEVCUSTOM;
break;
@@ -172,6 +167,9 @@ ieee80211softmac_call_events_locked(struct ieee80211softmac_device *mac, int eve
if ((eventptr->event_type == event || eventptr->event_type == -1)
&& (eventptr->event_context == NULL || eventptr->event_context == event_ctx)) {
list_del(&eventptr->list);
+ /* User may have subscribed to ANY event, so
+ * we tell them which event triggered it. */
+ eventptr->event_type = event;
schedule_work(&eventptr->work);
}
}
diff --git a/net/ieee80211/softmac/ieee80211softmac_io.c b/net/ieee80211/softmac/ieee80211softmac_io.c
index cc6cd56c85b..09541611e48 100644
--- a/net/ieee80211/softmac/ieee80211softmac_io.c
+++ b/net/ieee80211/softmac/ieee80211softmac_io.c
@@ -149,6 +149,56 @@ ieee80211softmac_hdr_3addr(struct ieee80211softmac_device *mac,
* shouldn't the sequence number be in ieee80211? */
}
+static u16
+ieee80211softmac_capabilities(struct ieee80211softmac_device *mac,
+ struct ieee80211softmac_network *net)
+{
+ u16 capability = 0;
+
+ /* ESS and IBSS bits are set according to the current mode */
+ switch (mac->ieee->iw_mode) {
+ case IW_MODE_INFRA:
+ capability = cpu_to_le16(WLAN_CAPABILITY_ESS);
+ break;
+ case IW_MODE_ADHOC:
+ capability = cpu_to_le16(WLAN_CAPABILITY_IBSS);
+ break;
+ case IW_MODE_AUTO:
+ capability = net->capabilities &
+ (WLAN_CAPABILITY_ESS|WLAN_CAPABILITY_IBSS);
+ break;
+ default:
+ /* bleh. we don't ever go to these modes */
+ printk(KERN_ERR PFX "invalid iw_mode!\n");
+ break;
+ }
+
+ /* CF Pollable / CF Poll Request */
+ /* Needs to be implemented, for now, the 0's == not supported */
+
+ /* Privacy Bit */
+ capability |= mac->ieee->sec.level ?
+ cpu_to_le16(WLAN_CAPABILITY_PRIVACY) : 0;
+
+ /* Short Preamble */
+ /* Always supported: we probably won't ever be powering devices which
+ * dont support this... */
+ capability |= WLAN_CAPABILITY_SHORT_PREAMBLE;
+
+ /* PBCC */
+ /* Not widely used */
+
+ /* Channel Agility */
+ /* Not widely used */
+
+ /* Short Slot */
+ /* Will be implemented later */
+
+ /* DSSS-OFDM */
+ /* Not widely used */
+
+ return capability;
+}
/*****************************************************************************
* Create Management packets
@@ -179,27 +229,6 @@ ieee80211softmac_assoc_req(struct ieee80211_assoc_request **pkt,
return 0;
ieee80211softmac_hdr_3addr(mac, &((*pkt)->header), IEEE80211_STYPE_ASSOC_REQ, net->bssid, net->bssid);
- /* Fill in capability Info */
- switch (mac->ieee->iw_mode) {
- case IW_MODE_INFRA:
- (*pkt)->capability = cpu_to_le16(WLAN_CAPABILITY_ESS);
- break;
- case IW_MODE_ADHOC:
- (*pkt)->capability = cpu_to_le16(WLAN_CAPABILITY_IBSS);
- break;
- case IW_MODE_AUTO:
- (*pkt)->capability = net->capabilities & (WLAN_CAPABILITY_ESS|WLAN_CAPABILITY_IBSS);
- break;
- default:
- /* bleh. we don't ever go to these modes */
- printk(KERN_ERR PFX "invalid iw_mode!\n");
- break;
- }
- /* Need to add this
- (*pkt)->capability |= mac->ieee->short_slot ?
- cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT_TIME) : 0;
- */
- (*pkt)->capability |= mac->ieee->sec.level ? cpu_to_le16(WLAN_CAPABILITY_PRIVACY) : 0;
/* Fill in Listen Interval (?) */
(*pkt)->listen_interval = cpu_to_le16(10);
@@ -239,17 +268,9 @@ ieee80211softmac_reassoc_req(struct ieee80211_reassoc_request **pkt,
return 0;
ieee80211softmac_hdr_3addr(mac, &((*pkt)->header), IEEE80211_STYPE_REASSOC_REQ, net->bssid, net->bssid);
- /* Fill in capability Info */
- (*pkt)->capability = mac->ieee->iw_mode == IW_MODE_MASTER ?
- cpu_to_le16(WLAN_CAPABILITY_ESS) :
- cpu_to_le16(WLAN_CAPABILITY_IBSS);
- /*
- (*pkt)->capability |= mac->ieee->short_slot ?
- cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT_TIME) : 0;
- */
- (*pkt)->capability |= mac->ieee->sec.level ?
- cpu_to_le16(WLAN_CAPABILITY_PRIVACY) : 0;
-
+ /* Fill in the capabilities */
+ (*pkt)->capability = ieee80211softmac_capabilities(mac, net);
+
/* Fill in Listen Interval (?) */
(*pkt)->listen_interval = cpu_to_le16(10);
/* Fill in the current AP MAC */
@@ -268,26 +289,27 @@ ieee80211softmac_reassoc_req(struct ieee80211_reassoc_request **pkt,
static u32
ieee80211softmac_auth(struct ieee80211_auth **pkt,
struct ieee80211softmac_device *mac, struct ieee80211softmac_network *net,
- u16 transaction, u16 status)
+ u16 transaction, u16 status, int *encrypt_mpdu)
{
u8 *data;
+ int auth_mode = mac->ieee->sec.auth_mode;
+ int is_shared_response = (auth_mode == WLAN_AUTH_SHARED_KEY
+ && transaction == IEEE80211SOFTMAC_AUTH_SHARED_RESPONSE);
+
/* Allocate Packet */
(*pkt) = (struct ieee80211_auth *)ieee80211softmac_alloc_mgt(
2 + /* Auth Algorithm */
2 + /* Auth Transaction Seq */
2 + /* Status Code */
/* Challenge Text IE */
- mac->ieee->open_wep ? 0 :
- 1 + 1 + WLAN_AUTH_CHALLENGE_LEN
- );
+ is_shared_response ? 0 : 1 + 1 + net->challenge_len
+ );
if (unlikely((*pkt) == NULL))
return 0;
ieee80211softmac_hdr_3addr(mac, &((*pkt)->header), IEEE80211_STYPE_AUTH, net->bssid, net->bssid);
/* Algorithm */
- (*pkt)->algorithm = mac->ieee->open_wep ?
- cpu_to_le16(WLAN_AUTH_OPEN) :
- cpu_to_le16(WLAN_AUTH_SHARED_KEY);
+ (*pkt)->algorithm = cpu_to_le16(auth_mode);
/* Transaction */
(*pkt)->transaction = cpu_to_le16(transaction);
/* Status */
@@ -295,18 +317,20 @@ ieee80211softmac_auth(struct ieee80211_auth **pkt,
data = (u8 *)(*pkt)->info_element;
/* Challenge Text */
- if(!mac->ieee->open_wep){
+ if (is_shared_response) {
*data = MFIE_TYPE_CHALLENGE;
data++;
/* Copy the challenge in */
- // *data = challenge length
- // data += sizeof(u16);
- // memcpy(data, challenge, challenge length);
- // data += challenge length;
-
- /* Add the full size to the packet length */
- }
+ *data = net->challenge_len;
+ data++;
+ memcpy(data, net->challenge, net->challenge_len);
+ data += net->challenge_len;
+
+ /* Make sure this frame gets encrypted with the shared key */
+ *encrypt_mpdu = 1;
+ } else
+ *encrypt_mpdu = 0;
/* Return the packet size */
return (data - (u8 *)(*pkt));
@@ -396,6 +420,7 @@ ieee80211softmac_send_mgt_frame(struct ieee80211softmac_device *mac,
{
void *pkt = NULL;
u32 pkt_size = 0;
+ int encrypt_mpdu = 0;
switch(type) {
case IEEE80211_STYPE_ASSOC_REQ:
@@ -405,7 +430,7 @@ ieee80211softmac_send_mgt_frame(struct ieee80211softmac_device *mac,
pkt_size = ieee80211softmac_reassoc_req((struct ieee80211_reassoc_request **)(&pkt), mac, (struct ieee80211softmac_network *)ptrarg);
break;
case IEEE80211_STYPE_AUTH:
- pkt_size = ieee80211softmac_auth((struct ieee80211_auth **)(&pkt), mac, (struct ieee80211softmac_network *)ptrarg, (u16)(arg & 0xFFFF), (u16) (arg >> 16));
+ pkt_size = ieee80211softmac_auth((struct ieee80211_auth **)(&pkt), mac, (struct ieee80211softmac_network *)ptrarg, (u16)(arg & 0xFFFF), (u16) (arg >> 16), &encrypt_mpdu);
break;
case IEEE80211_STYPE_DISASSOC:
case IEEE80211_STYPE_DEAUTH:
@@ -434,52 +459,8 @@ ieee80211softmac_send_mgt_frame(struct ieee80211softmac_device *mac,
* or get rid of it alltogether?
* Does this work for you now?
*/
- ieee80211_tx_frame(mac->ieee, (struct ieee80211_hdr *)pkt, pkt_size);
-
- kfree(pkt);
- return 0;
-}
-
-
-/* Create an rts/cts frame */
-static u32
-ieee80211softmac_rts_cts(struct ieee80211_hdr_2addr **pkt,
- struct ieee80211softmac_device *mac, struct ieee80211softmac_network *net,
- u32 type)
-{
- /* Allocate Packet */
- (*pkt) = kmalloc(IEEE80211_2ADDR_LEN, GFP_ATOMIC);
- memset(*pkt, 0, IEEE80211_2ADDR_LEN);
- if((*pkt) == NULL)
- return 0;
- ieee80211softmac_hdr_2addr(mac, (*pkt), type, net->bssid);
- return IEEE80211_2ADDR_LEN;
-}
-
-
-/* Sends a control packet */
-static int
-ieee80211softmac_send_ctl_frame(struct ieee80211softmac_device *mac,
- struct ieee80211softmac_network *net, u32 type, u32 arg)
-{
- void *pkt = NULL;
- u32 pkt_size = 0;
-
- switch(type) {
- case IEEE80211_STYPE_RTS:
- case IEEE80211_STYPE_CTS:
- pkt_size = ieee80211softmac_rts_cts((struct ieee80211_hdr_2addr **)(&pkt), mac, net, type);
- break;
- default:
- printkl(KERN_DEBUG PFX "Unsupported Control Frame type: %i\n", type);
- return -EINVAL;
- }
-
- if(pkt_size == 0)
- return -ENOMEM;
-
- /* Send the packet to the ieee80211 layer for tx */
- ieee80211_tx_frame(mac->ieee, (struct ieee80211_hdr *) pkt, pkt_size);
+ ieee80211_tx_frame(mac->ieee, (struct ieee80211_hdr *)pkt,
+ IEEE80211_3ADDR_LEN, pkt_size, encrypt_mpdu);
kfree(pkt);
return 0;
diff --git a/net/ieee80211/softmac/ieee80211softmac_module.c b/net/ieee80211/softmac/ieee80211softmac_module.c
index 6252be2c0db..4b2e57d1241 100644
--- a/net/ieee80211/softmac/ieee80211softmac_module.c
+++ b/net/ieee80211/softmac/ieee80211softmac_module.c
@@ -26,6 +26,7 @@
#include "ieee80211softmac_priv.h"
#include <linux/sort.h>
+#include <linux/etherdevice.h>
struct net_device *alloc_ieee80211softmac(int sizeof_priv)
{
@@ -61,14 +62,6 @@ struct net_device *alloc_ieee80211softmac(int sizeof_priv)
softmac->wait_for_scan = ieee80211softmac_wait_for_scan_implementation;
softmac->stop_scan = ieee80211softmac_stop_scan_implementation;
- //TODO: The mcast rate has to be assigned dynamically somewhere (in scanning, association. Not sure...)
- // It has to be set to the highest rate all stations in the current network can handle.
- softmac->txrates.mcast_rate = IEEE80211_CCK_RATE_1MB;
- softmac->txrates.mcast_fallback = IEEE80211_CCK_RATE_1MB;
- /* This is reassigned in ieee80211softmac_start to sane values. */
- softmac->txrates.default_rate = IEEE80211_CCK_RATE_1MB;
- softmac->txrates.default_fallback = IEEE80211_CCK_RATE_1MB;
-
/* to start with, we can't send anything ... */
netif_carrier_off(dev);
@@ -170,15 +163,82 @@ static void ieee80211softmac_start_check_rates(struct ieee80211softmac_device *m
}
}
-void ieee80211softmac_start(struct net_device *dev)
+int ieee80211softmac_ratesinfo_rate_supported(struct ieee80211softmac_ratesinfo *ri, u8 rate)
+{
+ int search;
+ u8 search_rate;
+
+ for (search = 0; search < ri->count; search++) {
+ search_rate = ri->rates[search];
+ search_rate &= ~IEEE80211_BASIC_RATE_MASK;
+ if (rate == search_rate)
+ return 1;
+ }
+
+ return 0;
+}
+
+/* Finds the highest rate which is:
+ * 1. Present in ri (optionally a basic rate)
+ * 2. Supported by the device
+ * 3. Less than or equal to the user-defined rate
+ */
+static u8 highest_supported_rate(struct ieee80211softmac_device *mac,
+ struct ieee80211softmac_ratesinfo *ri, int basic_only)
+{
+ u8 user_rate = mac->txrates.user_rate;
+ int i;
+
+ if (ri->count == 0) {
+ dprintk(KERN_ERR PFX "empty ratesinfo?\n");
+ return IEEE80211_CCK_RATE_1MB;
+ }
+
+ for (i = ri->count - 1; i >= 0; i--) {
+ u8 rate = ri->rates[i];
+ if (basic_only && !(rate & IEEE80211_BASIC_RATE_MASK))
+ continue;
+ rate &= ~IEEE80211_BASIC_RATE_MASK;
+ if (rate > user_rate)
+ continue;
+ if (ieee80211softmac_ratesinfo_rate_supported(&mac->ratesinfo, rate))
+ return rate;
+ }
+
+ /* If we haven't found a suitable rate by now, just trust the user */
+ return user_rate;
+}
+
+void ieee80211softmac_recalc_txrates(struct ieee80211softmac_device *mac)
+{
+ struct ieee80211softmac_txrates *txrates = &mac->txrates;
+ struct ieee80211softmac_txrates oldrates;
+ u32 change = 0;
+
+ if (mac->txrates_change)
+ oldrates = mac->txrates;
+
+ change |= IEEE80211SOFTMAC_TXRATECHG_DEFAULT;
+ txrates->default_rate = highest_supported_rate(mac, &mac->associnfo.supported_rates, 0);
+
+ change |= IEEE80211SOFTMAC_TXRATECHG_DEFAULT_FBACK;
+ txrates->default_fallback = lower_rate(mac, txrates->default_rate);
+
+ change |= IEEE80211SOFTMAC_TXRATECHG_MCAST;
+ txrates->mcast_rate = highest_supported_rate(mac, &mac->associnfo.supported_rates, 1);
+
+ if (mac->txrates_change)
+ mac->txrates_change(mac->dev, change, &oldrates);
+
+}
+
+void ieee80211softmac_init_txrates(struct ieee80211softmac_device *mac)
{
- struct ieee80211softmac_device *mac = ieee80211_priv(dev);
struct ieee80211_device *ieee = mac->ieee;
u32 change = 0;
+ struct ieee80211softmac_txrates *txrates = &mac->txrates;
struct ieee80211softmac_txrates oldrates;
- ieee80211softmac_start_check_rates(mac);
-
/* TODO: We need some kind of state machine to lower the default rates
* if we loose too many packets.
*/
@@ -193,22 +253,37 @@ void ieee80211softmac_start(struct net_device *dev)
more reliable. Note similar logic in
ieee80211softmac_wx_set_rate() */
if (ieee->modulation & IEEE80211_CCK_MODULATION) {
- mac->txrates.default_rate = IEEE80211_CCK_RATE_11MB;
- change |= IEEE80211SOFTMAC_TXRATECHG_DEFAULT;
- mac->txrates.default_fallback = IEEE80211_CCK_RATE_5MB;
- change |= IEEE80211SOFTMAC_TXRATECHG_DEFAULT_FBACK;
+ txrates->user_rate = IEEE80211_CCK_RATE_11MB;
} else if (ieee->modulation & IEEE80211_OFDM_MODULATION) {
- mac->txrates.default_rate = IEEE80211_OFDM_RATE_54MB;
- change |= IEEE80211SOFTMAC_TXRATECHG_DEFAULT;
- mac->txrates.default_fallback = IEEE80211_OFDM_RATE_24MB;
- change |= IEEE80211SOFTMAC_TXRATECHG_DEFAULT_FBACK;
+ txrates->user_rate = IEEE80211_OFDM_RATE_54MB;
} else
assert(0);
+
+ txrates->default_rate = IEEE80211_CCK_RATE_1MB;
+ change |= IEEE80211SOFTMAC_TXRATECHG_DEFAULT;
+
+ txrates->default_fallback = IEEE80211_CCK_RATE_1MB;
+ change |= IEEE80211SOFTMAC_TXRATECHG_DEFAULT_FBACK;
+
+ txrates->mcast_rate = IEEE80211_CCK_RATE_1MB;
+ change |= IEEE80211SOFTMAC_TXRATECHG_MCAST;
+
+ txrates->mgt_mcast_rate = IEEE80211_CCK_RATE_1MB;
+ change |= IEEE80211SOFTMAC_TXRATECHG_MGT_MCAST;
+
if (mac->txrates_change)
- mac->txrates_change(dev, change, &oldrates);
+ mac->txrates_change(mac->dev, change, &oldrates);
mac->running = 1;
}
+
+void ieee80211softmac_start(struct net_device *dev)
+{
+ struct ieee80211softmac_device *mac = ieee80211_priv(dev);
+
+ ieee80211softmac_start_check_rates(mac);
+ ieee80211softmac_init_txrates(mac);
+}
EXPORT_SYMBOL_GPL(ieee80211softmac_start);
void ieee80211softmac_stop(struct net_device *dev)
diff --git a/net/ieee80211/softmac/ieee80211softmac_priv.h b/net/ieee80211/softmac/ieee80211softmac_priv.h
index 65d9816c8ec..fa1f8e3acfc 100644
--- a/net/ieee80211/softmac/ieee80211softmac_priv.h
+++ b/net/ieee80211/softmac/ieee80211softmac_priv.h
@@ -116,7 +116,10 @@ ieee80211softmac_get_network_by_essid(struct ieee80211softmac_device *mac,
struct ieee80211softmac_essid *essid);
/* Rates related */
+int ieee80211softmac_ratesinfo_rate_supported(struct ieee80211softmac_ratesinfo *ri, u8 rate);
u8 ieee80211softmac_lower_rate_delta(struct ieee80211softmac_device *mac, u8 rate, int delta);
+void ieee80211softmac_init_txrates(struct ieee80211softmac_device *mac);
+void ieee80211softmac_recalc_txrates(struct ieee80211softmac_device *mac);
static inline u8 lower_rate(struct ieee80211softmac_device *mac, u8 rate) {
return ieee80211softmac_lower_rate_delta(mac, rate, 1);
}
@@ -150,6 +153,8 @@ int ieee80211softmac_handle_disassoc(struct net_device * dev,
int ieee80211softmac_handle_reassoc_req(struct net_device * dev,
struct ieee80211_reassoc_request * reassoc);
void ieee80211softmac_assoc_timeout(void *d);
+void ieee80211softmac_send_disassoc_req(struct ieee80211softmac_device *mac, u16 reason);
+void ieee80211softmac_disassoc(struct ieee80211softmac_device *mac);
/* some helper functions */
static inline int ieee80211softmac_scan_handlers_check_self(struct ieee80211softmac_device *sm)
diff --git a/net/ieee80211/softmac/ieee80211softmac_wx.c b/net/ieee80211/softmac/ieee80211softmac_wx.c
index 27edb2b5581..22aa6199185 100644
--- a/net/ieee80211/softmac/ieee80211softmac_wx.c
+++ b/net/ieee80211/softmac/ieee80211softmac_wx.c
@@ -211,8 +211,8 @@ ieee80211softmac_wx_set_rate(struct net_device *net_dev,
if (is_ofdm && !(ieee->modulation & IEEE80211_OFDM_MODULATION))
goto out_unlock;
- mac->txrates.default_rate = rate;
- mac->txrates.default_fallback = lower_rate(mac, rate);
+ mac->txrates.user_rate = rate;
+ ieee80211softmac_recalc_txrates(mac);
err = 0;
out_unlock:
@@ -431,3 +431,35 @@ ieee80211softmac_wx_get_genie(struct net_device *dev,
}
EXPORT_SYMBOL_GPL(ieee80211softmac_wx_get_genie);
+int
+ieee80211softmac_wx_set_mlme(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ struct ieee80211softmac_device *mac = ieee80211_priv(dev);
+ struct iw_mlme *mlme = (struct iw_mlme *)extra;
+ u16 reason = cpu_to_le16(mlme->reason_code);
+ struct ieee80211softmac_network *net;
+
+ if (memcmp(mac->associnfo.bssid, mlme->addr.sa_data, ETH_ALEN)) {
+ printk(KERN_DEBUG PFX "wx_set_mlme: requested operation on net we don't use\n");
+ return -EINVAL;
+ }
+
+ switch (mlme->cmd) {
+ case IW_MLME_DEAUTH:
+ net = ieee80211softmac_get_network_by_bssid_locked(mac, mlme->addr.sa_data);
+ if (!net) {
+ printk(KERN_DEBUG PFX "wx_set_mlme: we should know the net here...\n");
+ return -EINVAL;
+ }
+ return ieee80211softmac_deauth_req(mac, net, reason);
+ case IW_MLME_DISASSOC:
+ ieee80211softmac_send_disassoc_req(mac, reason);
+ return 0;
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+EXPORT_SYMBOL_GPL(ieee80211softmac_wx_set_mlme);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-18 14:48:57 +0000