if(size > IEEE80211_DATA_LEN)
return NULL;
/* Allocate the frame */
- data = kzalloc(size, GFP_ATOMIC);
+ data = kmalloc(size, GFP_ATOMIC);
+ memset(data, 0, size);
return data;
}
* 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
return 0;
ieee80211softmac_hdr_3addr(mac, &((*pkt)->header), IEEE80211_STYPE_ASSOC_REQ, net->bssid, net->bssid);
- /* Fill in the capabilities */
- (*pkt)->capability = ieee80211softmac_capabilities(mac, net);
-
+ /* 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);
return 0;
ieee80211softmac_hdr_3addr(mac, &((*pkt)->header), IEEE80211_STYPE_REASSOC_REQ, net->bssid, net->bssid);
- /* Fill in the capabilities */
- (*pkt)->capability = ieee80211softmac_capabilities(mac, net);
-
+ /* 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 Listen Interval (?) */
(*pkt)->listen_interval = cpu_to_le16(10);
/* Fill in the current AP MAC */
static u32
ieee80211softmac_auth(struct ieee80211_auth **pkt,
struct ieee80211softmac_device *mac, struct ieee80211softmac_network *net,
- u16 transaction, u16 status, int *encrypt_mpdu)
+ u16 transaction, u16 status)
{
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 */
- (is_shared_response ? 1 + 1 + net->challenge_len : 0)
- );
+ mac->ieee->open_wep ? 0 :
+ 1 + 1 + WLAN_AUTH_CHALLENGE_LEN
+ );
if (unlikely((*pkt) == NULL))
return 0;
ieee80211softmac_hdr_3addr(mac, &((*pkt)->header), IEEE80211_STYPE_AUTH, net->bssid, net->bssid);
/* Algorithm */
- (*pkt)->algorithm = cpu_to_le16(auth_mode);
+ (*pkt)->algorithm = mac->ieee->open_wep ?
+ cpu_to_le16(WLAN_AUTH_OPEN) :
+ cpu_to_le16(WLAN_AUTH_SHARED_KEY);
/* Transaction */
(*pkt)->transaction = cpu_to_le16(transaction);
/* Status */
data = (u8 *)(*pkt)->info_element;
/* Challenge Text */
- if (is_shared_response) {
+ if(!mac->ieee->open_wep){
*data = MFIE_TYPE_CHALLENGE;
data++;
/* Copy the challenge in */
- *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;
+ // *data = challenge length
+ // data += sizeof(u16);
+ // memcpy(data, challenge, challenge length);
+ // data += challenge length;
+
+ /* Add the full size to the packet length */
+ }
/* Return the packet size */
return (data - (u8 *)(*pkt));
{
void *pkt = NULL;
u32 pkt_size = 0;
- int encrypt_mpdu = 0;
switch(type) {
case IEEE80211_STYPE_ASSOC_REQ:
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), &encrypt_mpdu);
+ pkt_size = ieee80211softmac_auth((struct ieee80211_auth **)(&pkt), mac, (struct ieee80211softmac_network *)ptrarg, (u16)(arg & 0xFFFF), (u16) (arg >> 16));
break;
case IEEE80211_STYPE_DISASSOC:
case IEEE80211_STYPE_DEAUTH:
* or get rid of it alltogether?
* Does this work for you now?
*/
- ieee80211_tx_frame(mac->ieee, (struct ieee80211_hdr *)pkt,
- IEEE80211_3ADDR_LEN, pkt_size, encrypt_mpdu);
+ 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);
kfree(pkt);
return 0;
git://git.onelab.eu / linux-2.6.git / blobdiff