struct sta_info *r8712_get_bcmc_stainfo(struct _adapter *padapter)
{
struct sta_priv *pstapriv = &padapter->stapriv;
u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
return r8712_get_stainfo(pstapriv, bc_addr);
}
/*
*r8712_free_assoc_resources: the caller has to lock pmlmepriv->lock
*/
void r8712_free_assoc_resources(struct _adapter *adapter)
{
unsigned long irqL;
struct wlan_network *pwlan = NULL;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
struct sta_priv *pstapriv = &adapter->stapriv;
struct wlan_network *tgt_network = &pmlmepriv->cur_network;
pwlan = r8712_find_network(&pmlmepriv->scanned_queue,
tgt_network->network.MacAddress);
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_AP_STATE)) {
struct sta_info *psta;
psta = r8712_get_stainfo(&adapter->stapriv,
tgt_network->network.MacAddress);
spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
r8712_free_stainfo(adapter, psta);
spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
}
if (check_fwstate(pmlmepriv,
WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE|WIFI_AP_STATE))
r8712_free_all_stainfo(adapter);
if (pwlan)
pwlan->fixed = false;
if (((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) &&
(adapter->stapriv.asoc_sta_count == 1)))
free_network_nolock(pmlmepriv, pwlan);
}
void r8712_stadel_event_callback(struct _adapter *adapter, u8 *pbuf)
{
unsigned long irqL, irqL2;
struct sta_info *psta;
struct wlan_network *pwlan = NULL;
struct wlan_bssid_ex *pdev_network = NULL;
u8 *pibss = NULL;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
struct stadel_event *pstadel = (struct stadel_event *)pbuf;
struct sta_priv *pstapriv = &adapter->stapriv;
struct wlan_network *tgt_network = &pmlmepriv->cur_network;
spin_lock_irqsave(&pmlmepriv->lock, irqL2);
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
r8712_ind_disconnect(adapter);
r8712_free_assoc_resources(adapter);
}
if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE |
WIFI_ADHOC_STATE)) {
psta = r8712_get_stainfo(&adapter->stapriv, pstadel->macaddr);
spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
r8712_free_stainfo(adapter, psta);
spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
if (adapter->stapriv.asoc_sta_count == 1) {
/*a sta + bc/mc_stainfo (not Ibss_stainfo) */
pwlan = r8712_find_network(&pmlmepriv->scanned_queue,
tgt_network->network.MacAddress);
if (pwlan) {
pwlan->fixed = false;
free_network_nolock(pmlmepriv, pwlan);
}
/*re-create ibss*/
pdev_network = &(adapter->registrypriv.dev_network);
pibss = adapter->registrypriv.dev_network.MacAddress;
memcpy(pdev_network, &tgt_network->network,
r8712_get_ndis_wlan_bssid_ex_sz(&tgt_network->
network));
memset(&pdev_network->Ssid, 0,
sizeof(struct ndis_802_11_ssid));
memcpy(&pdev_network->Ssid,
&pmlmepriv->assoc_ssid,
sizeof(struct ndis_802_11_ssid));
r8712_update_registrypriv_dev_network(adapter);
r8712_generate_random_ibss(pibss);
if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
_clr_fwstate_(pmlmepriv, WIFI_ADHOC_STATE);
set_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE);
}
}
}
spin_unlock_irqrestore(&pmlmepriv->lock, irqL2);
}
/*
* Will enqueue pxmitframe to the proper queue, and indicate it
* to xx_pending list.....
*/
sint r8712_xmit_classifier(struct _adapter *padapter,
struct xmit_frame *pxmitframe)
{
unsigned long irqL0;
struct __queue *pstapending;
struct sta_info *psta;
struct tx_servq *ptxservq;
struct pkt_attrib *pattrib = &pxmitframe->attrib;
struct sta_priv *pstapriv = &padapter->stapriv;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
sint bmcst = IS_MCAST(pattrib->ra);
if (pattrib->psta) {
psta = pattrib->psta;
} else {
if (bmcst) {
psta = r8712_get_bcmc_stainfo(padapter);
} else {
if (check_fwstate(pmlmepriv, WIFI_MP_STATE))
psta = r8712_get_stainfo(pstapriv,
get_bssid(pmlmepriv));
else
psta = r8712_get_stainfo(pstapriv, pattrib->ra);
}
}
if (psta == NULL)
return _FAIL;
ptxservq = get_sta_pending(padapter, &pstapending,
psta, pattrib->priority);
spin_lock_irqsave(&pstapending->lock, irqL0);
if (list_empty(&ptxservq->tx_pending))
list_add_tail(&ptxservq->tx_pending, &pstapending->queue);
list_add_tail(&pxmitframe->list, &ptxservq->sta_pending.queue);
ptxservq->qcnt++;
spin_unlock_irqrestore(&pstapending->lock, irqL0);
return _SUCCESS;
}
void r8712_setstaKey_cmdrsp_callback(struct _adapter *padapter,
struct cmd_obj *pcmd)
{
struct sta_priv *pstapriv = &padapter->stapriv;
struct set_stakey_rsp *psetstakey_rsp = (struct set_stakey_rsp *)
(pcmd->rsp);
struct sta_info *psta = r8712_get_stainfo(pstapriv,
psetstakey_rsp->addr);
if (psta == NULL)
goto exit;
psta->aid = psta->mac_id = psetstakey_rsp->keyid; /*CAM_ID(CAM_ENTRY)*/
exit:
r8712_free_cmd_obj(pcmd);
}
/* When the Netgear 3500 AP is with WPA2PSK-AES mode, it will send
* the ADDBA req frame with start seq control = 0 to wifi client after
* the WPA handshake and the seqence number of following data packet
* will be 0. In this case, the Rx reorder sequence is not longer than 0
* and the WiFi client will drop the data with seq number 0.
* So, the 8712 firmware has to inform driver with receiving the
* ADDBA-Req frame so that the driver can reset the
* sequence value of Rx reorder contorl.
*/
void r8712_got_addbareq_event_callback(struct _adapter *adapter, u8 *pbuf)
{
struct ADDBA_Req_Report_parm *pAddbareq_pram =
(struct ADDBA_Req_Report_parm *)pbuf;
struct sta_info *psta;
struct sta_priv *pstapriv = &adapter->stapriv;
struct recv_reorder_ctrl *precvreorder_ctrl = NULL;
printk(KERN_INFO "r8712u: [%s] mac = %pM, seq = %d, tid = %d\n",
__func__, pAddbareq_pram->MacAddress,
pAddbareq_pram->StartSeqNum, pAddbareq_pram->tid);
psta = r8712_get_stainfo(pstapriv, pAddbareq_pram->MacAddress);
if (psta) {
precvreorder_ctrl =
&psta->recvreorder_ctrl[pAddbareq_pram->tid];
/* set the indicate_seq to 0xffff so that the rx reorder
* can store any following data packet.
*/
precvreorder_ctrl->indicate_seq = 0xffff;
}
}
void r8712_stassoc_event_callback(struct _adapter *adapter, u8 *pbuf)
{
unsigned long irqL;
struct sta_info *psta;
struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
struct stassoc_event *pstassoc = (struct stassoc_event *)pbuf;
/* to do: */
if (r8712_access_ctrl(&adapter->acl_list, pstassoc->macaddr) == false)
return;
psta = r8712_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
if (psta != NULL) {
/*the sta have been in sta_info_queue => do nothing
*(between drv has received this event before and
* fw have not yet to set key to CAM_ENTRY) */
return;
}
psta = r8712_alloc_stainfo(&adapter->stapriv, pstassoc->macaddr);
if (psta == NULL)
return;
/* to do : init sta_info variable */
psta->qos_option = 0;
psta->mac_id = le32_to_cpu((uint)pstassoc->cam_id);
/* psta->aid = (uint)pstassoc->cam_id; */
if (adapter->securitypriv.AuthAlgrthm == 2)
psta->XPrivacy = adapter->securitypriv.PrivacyAlgrthm;
psta->ieee8021x_blocked = false;
spin_lock_irqsave(&pmlmepriv->lock, irqL);
if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) ||
(check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) {
if (adapter->stapriv.asoc_sta_count == 2) {
/* a sta + bc/mc_stainfo (not Ibss_stainfo) */
r8712_indicate_connect(adapter);
}
}
spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
}
void r8712_setassocsta_cmdrsp_callback(struct _adapter *padapter,
struct cmd_obj *pcmd)
{
unsigned long irqL;
struct sta_priv *pstapriv = &padapter->stapriv;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct set_assocsta_parm *passocsta_parm =
(struct set_assocsta_parm *)(pcmd->parmbuf);
struct set_assocsta_rsp *passocsta_rsp =
(struct set_assocsta_rsp *) (pcmd->rsp);
struct sta_info *psta = r8712_get_stainfo(pstapriv,
passocsta_parm->addr);
if (psta == NULL)
return;
psta->aid = psta->mac_id = passocsta_rsp->cam_id;
spin_lock_irqsave(&pmlmepriv->lock, irqL);
if ((check_fwstate(pmlmepriv, WIFI_MP_STATE)) &&
(check_fwstate(pmlmepriv, _FW_UNDER_LINKING)))
pmlmepriv->fw_state ^= _FW_UNDER_LINKING;
set_fwstate(pmlmepriv, _FW_LINKED);
spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
r8712_free_cmd_obj(pcmd);
}
void r8712_createbss_cmd_callback(struct _adapter *padapter,
struct cmd_obj *pcmd)
{
unsigned long irqL;
u8 timer_cancelled;
struct sta_info *psta = NULL;
struct wlan_network *pwlan = NULL;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct ndis_wlan_bssid_ex *pnetwork = (struct ndis_wlan_bssid_ex *)
pcmd->parmbuf;
struct wlan_network *tgt_network = &(pmlmepriv->cur_network);
if (pcmd->res != H2C_SUCCESS)
_set_timer(&pmlmepriv->assoc_timer, 1);
_cancel_timer(&pmlmepriv->assoc_timer, &timer_cancelled);
#ifdef __BIG_ENDIAN
/* endian_convert */
pnetwork->Length = le32_to_cpu(pnetwork->Length);
pnetwork->Ssid.SsidLength = le32_to_cpu(pnetwork->Ssid.SsidLength);
pnetwork->Privacy = le32_to_cpu(pnetwork->Privacy);
pnetwork->Rssi = le32_to_cpu(pnetwork->Rssi);
pnetwork->NetworkTypeInUse = le32_to_cpu(pnetwork->NetworkTypeInUse);
pnetwork->Configuration.ATIMWindow = le32_to_cpu(pnetwork->
Configuration.ATIMWindow);
pnetwork->Configuration.DSConfig = le32_to_cpu(pnetwork->
Configuration.DSConfig);
pnetwork->Configuration.FHConfig.DwellTime = le32_to_cpu(pnetwork->
Configuration.FHConfig.DwellTime);
pnetwork->Configuration.FHConfig.HopPattern = le32_to_cpu(pnetwork->
Configuration.FHConfig.HopPattern);
pnetwork->Configuration.FHConfig.HopSet = le32_to_cpu(pnetwork->
Configuration.FHConfig.HopSet);
pnetwork->Configuration.FHConfig.Length = le32_to_cpu(pnetwork->
Configuration.FHConfig.Length);
pnetwork->Configuration.Length = le32_to_cpu(pnetwork->
Configuration.Length);
pnetwork->InfrastructureMode = le32_to_cpu(pnetwork->
InfrastructureMode);
pnetwork->IELength = le32_to_cpu(pnetwork->IELength);
#endif
spin_lock_irqsave(&pmlmepriv->lock, irqL);
if ((pmlmepriv->fw_state) & WIFI_AP_STATE) {
psta = r8712_get_stainfo(&padapter->stapriv,
pnetwork->MacAddress);
if (!psta) {
psta = r8712_alloc_stainfo(&padapter->stapriv,
pnetwork->MacAddress);
if (psta == NULL)
goto createbss_cmd_fail;
}
r8712_indicate_connect(padapter);
} else {
pwlan = _r8712_alloc_network(pmlmepriv);
if (pwlan == NULL) {
pwlan = r8712_get_oldest_wlan_network(
&pmlmepriv->scanned_queue);
if (pwlan == NULL)
goto createbss_cmd_fail;
pwlan->last_scanned = jiffies;
} else
list_add_tail(&(pwlan->list),
&pmlmepriv->scanned_queue.queue);
pnetwork->Length = r8712_get_ndis_wlan_bssid_ex_sz(pnetwork);
memcpy(&(pwlan->network), pnetwork, pnetwork->Length);
pwlan->fixed = true;
memcpy(&tgt_network->network, pnetwork,
(r8712_get_ndis_wlan_bssid_ex_sz(pnetwork)));
if (pmlmepriv->fw_state & _FW_UNDER_LINKING)
pmlmepriv->fw_state ^= _FW_UNDER_LINKING;
/* we will set _FW_LINKED when there is one more sat to
* join us (stassoc_event_callback) */
}
createbss_cmd_fail:
spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
r8712_free_cmd_obj(pcmd);
}
/*Notes:
*pnetwork : returns from r8712_joinbss_event_callback
*ptarget_wlan: found from scanned_queue
*if join_res > 0, for (fw_state==WIFI_STATION_STATE), we check if
* "ptarget_sta" & "ptarget_wlan" exist.
*if join_res > 0, for (fw_state==WIFI_ADHOC_STATE), we only check
* if "ptarget_wlan" exist.
*if join_res > 0, update "cur_network->network" from
* "pnetwork->network" if (ptarget_wlan !=NULL).
*/
void r8712_joinbss_event_callback(struct _adapter *adapter, u8 *pbuf)
{
unsigned long irqL = 0, irqL2;
u8 timer_cancelled;
struct sta_info *ptarget_sta = NULL, *pcur_sta = NULL;
struct sta_priv *pstapriv = &adapter->stapriv;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
struct wlan_network *cur_network = &pmlmepriv->cur_network;
struct wlan_network *pcur_wlan = NULL, *ptarget_wlan = NULL;
unsigned int the_same_macaddr = false;
struct wlan_network *pnetwork;
if (sizeof(struct list_head) == 4 * sizeof(u32)) {
pnetwork = (struct wlan_network *)
_malloc(sizeof(struct wlan_network));
memcpy((u8 *)pnetwork+16, (u8 *)pbuf + 8,
sizeof(struct wlan_network) - 16);
} else
pnetwork = (struct wlan_network *)pbuf;
#ifdef __BIG_ENDIAN
/* endian_convert */
pnetwork->join_res = le32_to_cpu(pnetwork->join_res);
pnetwork->network_type = le32_to_cpu(pnetwork->network_type);
pnetwork->network.Length = le32_to_cpu(pnetwork->network.Length);
pnetwork->network.Ssid.SsidLength =
le32_to_cpu(pnetwork->network.Ssid.SsidLength);
pnetwork->network.Privacy = le32_to_cpu(pnetwork->network.Privacy);
pnetwork->network.Rssi = le32_to_cpu(pnetwork->network.Rssi);
pnetwork->network.NetworkTypeInUse =
le32_to_cpu(pnetwork->network.NetworkTypeInUse);
pnetwork->network.Configuration.ATIMWindow =
le32_to_cpu(pnetwork->network.Configuration.ATIMWindow);
pnetwork->network.Configuration.BeaconPeriod =
le32_to_cpu(pnetwork->network.Configuration.BeaconPeriod);
pnetwork->network.Configuration.DSConfig =
le32_to_cpu(pnetwork->network.Configuration.DSConfig);
pnetwork->network.Configuration.FHConfig.DwellTime =
le32_to_cpu(pnetwork->network.Configuration.FHConfig.
DwellTime);
pnetwork->network.Configuration.FHConfig.HopPattern =
le32_to_cpu(pnetwork->network.Configuration.
FHConfig.HopPattern);
pnetwork->network.Configuration.FHConfig.HopSet =
le32_to_cpu(pnetwork->network.Configuration.FHConfig.HopSet);
pnetwork->network.Configuration.FHConfig.Length =
le32_to_cpu(pnetwork->network.Configuration.FHConfig.Length);
pnetwork->network.Configuration.Length =
le32_to_cpu(pnetwork->network.Configuration.Length);
pnetwork->network.InfrastructureMode =
le32_to_cpu(pnetwork->network.InfrastructureMode);
pnetwork->network.IELength = le32_to_cpu(pnetwork->network.IELength);
#endif
the_same_macaddr = !memcmp(pnetwork->network.MacAddress,
cur_network->network.MacAddress, ETH_ALEN);
pnetwork->network.Length =
r8712_get_ndis_wlan_bssid_ex_sz(&pnetwork->network);
spin_lock_irqsave(&pmlmepriv->lock, irqL);
if (pnetwork->network.Length > sizeof(struct wlan_bssid_ex))
goto ignore_joinbss_callback;
if (pnetwork->join_res > 0) {
if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) {
/*s1. find ptarget_wlan*/
if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
if (the_same_macaddr == true)
ptarget_wlan =
r8712_find_network(&pmlmepriv->
scanned_queue,
cur_network->network.MacAddress);
else {
pcur_wlan =
r8712_find_network(&pmlmepriv->
scanned_queue,
cur_network->network.MacAddress);
pcur_wlan->fixed = false;
pcur_sta = r8712_get_stainfo(pstapriv,
cur_network->network.MacAddress);
spin_lock_irqsave(&pstapriv->
sta_hash_lock, irqL2);
r8712_free_stainfo(adapter, pcur_sta);
spin_unlock_irqrestore(&(pstapriv->
sta_hash_lock), irqL2);
ptarget_wlan =
r8712_find_network(&pmlmepriv->
scanned_queue,
pnetwork->network.
MacAddress);
if (ptarget_wlan)
ptarget_wlan->fixed = true;
}
} else {
ptarget_wlan = r8712_find_network(&pmlmepriv->
scanned_queue,
pnetwork->network.MacAddress);
if (ptarget_wlan)
ptarget_wlan->fixed = true;
}
if (ptarget_wlan == NULL) {
if (check_fwstate(pmlmepriv,
_FW_UNDER_LINKING))
pmlmepriv->fw_state ^=
_FW_UNDER_LINKING;
goto ignore_joinbss_callback;
}
/*s2. find ptarget_sta & update ptarget_sta*/
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
if (the_same_macaddr == true) {
ptarget_sta =
r8712_get_stainfo(pstapriv,
pnetwork->network.MacAddress);
if (ptarget_sta == NULL)
ptarget_sta =
r8712_alloc_stainfo(pstapriv,
pnetwork->network.MacAddress);
} else
ptarget_sta =
r8712_alloc_stainfo(pstapriv,
pnetwork->network.MacAddress);
if (ptarget_sta) /*update ptarget_sta*/ {
ptarget_sta->aid = pnetwork->join_res;
ptarget_sta->qos_option = 1;
ptarget_sta->mac_id = 5;
if (adapter->securitypriv.
AuthAlgrthm == 2) {
adapter->securitypriv.
binstallGrpkey =
false;
adapter->securitypriv.
busetkipkey =
false;
adapter->securitypriv.
bgrpkey_handshake =
false;
ptarget_sta->ieee8021x_blocked
= true;
ptarget_sta->XPrivacy =
adapter->securitypriv.
PrivacyAlgrthm;
memset((u8 *)&ptarget_sta->
x_UncstKey,
0,
sizeof(union Keytype));
memset((u8 *)&ptarget_sta->
tkiprxmickey,
0,
sizeof(union Keytype));
memset((u8 *)&ptarget_sta->
tkiptxmickey,
0,
sizeof(union Keytype));
memset((u8 *)&ptarget_sta->
txpn, 0,
sizeof(union pn48));
memset((u8 *)&ptarget_sta->
rxpn, 0,
sizeof(union pn48));
}
} else {
if (check_fwstate(pmlmepriv,
_FW_UNDER_LINKING))
pmlmepriv->fw_state ^=
_FW_UNDER_LINKING;
goto ignore_joinbss_callback;
}
}
/*s3. update cur_network & indicate connect*/
memcpy(&cur_network->network, &pnetwork->network,
pnetwork->network.Length);
cur_network->aid = pnetwork->join_res;
/*update fw_state will clr _FW_UNDER_LINKING*/
switch (pnetwork->network.InfrastructureMode) {
case Ndis802_11Infrastructure:
pmlmepriv->fw_state = WIFI_STATION_STATE;
break;
case Ndis802_11IBSS:
pmlmepriv->fw_state = WIFI_ADHOC_STATE;
break;
default:
pmlmepriv->fw_state = WIFI_NULL_STATE;
break;
}
r8712_update_protection(adapter,
(cur_network->network.IEs) +
sizeof(struct NDIS_802_11_FIXED_IEs),
(cur_network->network.IELength));
/*TODO: update HT_Capability*/
update_ht_cap(adapter, cur_network->network.IEs,
cur_network->network.IELength);
/*indicate connect*/
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)
== true)
r8712_indicate_connect(adapter);
_cancel_timer(&pmlmepriv->assoc_timer,
&timer_cancelled);
} else
goto ignore_joinbss_callback;
} else {
if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) {
_set_timer(&pmlmepriv->assoc_timer, 1);
_clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
}
}
ignore_joinbss_callback:
spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
if (sizeof(struct list_head) == 4 * sizeof(u32))
kfree((u8 *)pnetwork);
}
static sint make_wlanhdr(struct _adapter *padapter, u8 *hdr,
struct pkt_attrib *pattrib)
{
u16 *qc;
struct ieee80211_hdr *pwlanhdr = (struct ieee80211_hdr *)hdr;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct qos_priv *pqospriv = &pmlmepriv->qospriv;
__le16 *fctrl = &pwlanhdr->frame_ctl;
memset(hdr, 0, WLANHDR_OFFSET);
SetFrameSubType(fctrl, pattrib->subtype);
if (pattrib->subtype & WIFI_DATA_TYPE) {
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
/* to_ds = 1, fr_ds = 0; */
SetToDs(fctrl);
memcpy(pwlanhdr->addr1, get_bssid(pmlmepriv),
ETH_ALEN);
memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN);
memcpy(pwlanhdr->addr3, pattrib->dst, ETH_ALEN);
} else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
/* to_ds = 0, fr_ds = 1; */
SetFrDs(fctrl);
memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN);
memcpy(pwlanhdr->addr2, get_bssid(pmlmepriv),
ETH_ALEN);
memcpy(pwlanhdr->addr3, pattrib->src, ETH_ALEN);
} else if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) ||
check_fwstate(pmlmepriv,
WIFI_ADHOC_MASTER_STATE)) {
memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN);
memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN);
memcpy(pwlanhdr->addr3, get_bssid(pmlmepriv),
ETH_ALEN);
} else if (check_fwstate(pmlmepriv, WIFI_MP_STATE)) {
memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN);
memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN);
memcpy(pwlanhdr->addr3, get_bssid(pmlmepriv),
ETH_ALEN);
} else {
return _FAIL;
}
if (pattrib->encrypt)
SetPrivacy(fctrl);
if (pqospriv->qos_option) {
qc = (unsigned short *)(hdr + pattrib->hdrlen - 2);
if (pattrib->priority)
SetPriority(qc, pattrib->priority);
SetAckpolicy(qc, pattrib->ack_policy);
}
/* TODO: fill HT Control Field */
/* Update Seq Num will be handled by f/w */
{
struct sta_info *psta;
sint bmcst = IS_MCAST(pattrib->ra);
if (pattrib->psta) {
psta = pattrib->psta;
} else {
if (bmcst)
psta = r8712_get_bcmc_stainfo(padapter);
else
psta =
r8712_get_stainfo(&padapter->stapriv,
pattrib->ra);
}
if (psta) {
psta->sta_xmitpriv.txseq_tid
[pattrib->priority]++;
psta->sta_xmitpriv.txseq_tid[pattrib->priority]
&= 0xFFF;
pattrib->seqnum = psta->sta_xmitpriv.
txseq_tid[pattrib->priority];
SetSeqNum(hdr, pattrib->seqnum);
}
}
}
return _SUCCESS;
}
static sint xmitframe_addmic(struct _adapter *padapter,
struct xmit_frame *pxmitframe)
{
u32 curfragnum, length;
u8 *pframe, *payload, mic[8];
struct mic_data micdata;
struct sta_info *stainfo;
struct qos_priv *pqospriv = &(padapter->mlmepriv.qospriv);
struct pkt_attrib *pattrib = &pxmitframe->attrib;
struct security_priv *psecuritypriv = &padapter->securitypriv;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
u8 priority[4] = {0x0, 0x0, 0x0, 0x0};
sint bmcst = IS_MCAST(pattrib->ra);
if (pattrib->psta)
stainfo = pattrib->psta;
else
stainfo = r8712_get_stainfo(&padapter->stapriv,
&pattrib->ra[0]);
if (pattrib->encrypt == _TKIP_) {
/*encode mic code*/
if (stainfo != NULL) {
u8 null_key[16] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0};
pframe = pxmitframe->buf_addr + TXDESC_OFFSET;
if (bmcst) {
if (!memcmp(psecuritypriv->XGrptxmickey
[psecuritypriv->XGrpKeyid].skey,
null_key, 16))
return _FAIL;
/*start to calculate the mic code*/
r8712_secmicsetkey(&micdata,
psecuritypriv->
XGrptxmickey[psecuritypriv->
XGrpKeyid].skey);
} else {
if (!memcmp(&stainfo->tkiptxmickey.skey[0],
null_key, 16))
return _FAIL;
/* start to calculate the mic code */
r8712_secmicsetkey(&micdata,
&stainfo->tkiptxmickey.skey[0]);
}
if (pframe[1] & 1) { /* ToDS==1 */
r8712_secmicappend(&micdata,
&pframe[16], 6); /*DA*/
if (pframe[1] & 2) /* From Ds==1 */
r8712_secmicappend(&micdata,
&pframe[24], 6);
else
r8712_secmicappend(&micdata,
&pframe[10], 6);
} else { /* ToDS==0 */
r8712_secmicappend(&micdata,
&pframe[4], 6); /* DA */
if (pframe[1] & 2) /* From Ds==1 */
r8712_secmicappend(&micdata,
&pframe[16], 6);
else
r8712_secmicappend(&micdata,
&pframe[10], 6);
}
if (pqospriv->qos_option == 1)
priority[0] = (u8)pxmitframe->attrib.priority;
r8712_secmicappend(&micdata, &priority[0], 4);
payload = pframe;
for (curfragnum = 0; curfragnum < pattrib->nr_frags;
curfragnum++) {
payload = (u8 *)RND4((addr_t)(payload));
payload += pattrib->hdrlen + pattrib->iv_len;
if ((curfragnum + 1) == pattrib->nr_frags) {
length = pattrib->last_txcmdsz -
pattrib->hdrlen -
pattrib->iv_len -
((psecuritypriv->sw_encrypt)
? pattrib->icv_len : 0);
r8712_secmicappend(&micdata, payload,
length);
payload = payload + length;
} else {
length = pxmitpriv->frag_len -
pattrib->hdrlen - pattrib->iv_len -
((psecuritypriv->sw_encrypt) ?
pattrib->icv_len : 0);
r8712_secmicappend(&micdata, payload,
length);
payload = payload + length +
pattrib->icv_len;
}
}
r8712_secgetmic(&micdata, &(mic[0]));
/* add mic code and add the mic code length in
* last_txcmdsz
*/
memcpy(payload, &(mic[0]), 8);
pattrib->last_txcmdsz += 8;
payload = payload - pattrib->last_txcmdsz + 8;
}
}
return _SUCCESS;
}
sint r8712_update_attrib(struct _adapter *padapter, _pkt *pkt,
struct pkt_attrib *pattrib)
{
struct pkt_file pktfile;
struct sta_info *psta = NULL;
struct ethhdr etherhdr;
struct tx_cmd txdesc;
sint bmcast;
struct sta_priv *pstapriv = &padapter->stapriv;
struct security_priv *psecuritypriv = &padapter->securitypriv;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct qos_priv *pqospriv = &pmlmepriv->qospriv;
_r8712_open_pktfile(pkt, &pktfile);
_r8712_pktfile_read(&pktfile, (unsigned char *)ðerhdr, ETH_HLEN);
pattrib->ether_type = ntohs(etherhdr.h_proto);
/*
* If driver xmit ARP packet, driver can set ps mode to initial
* setting. It stands for getting DHCP or fix IP.
*/
if (pattrib->ether_type == 0x0806) {
if (padapter->pwrctrlpriv.pwr_mode !=
padapter->registrypriv.power_mgnt) {
del_timer_sync(&pmlmepriv->dhcp_timer);
r8712_set_ps_mode(padapter,
padapter->registrypriv.power_mgnt,
padapter->registrypriv.smart_ps);
}
}
memcpy(pattrib->dst, ðerhdr.h_dest, ETH_ALEN);
memcpy(pattrib->src, ðerhdr.h_source, ETH_ALEN);
pattrib->pctrl = 0;
if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) ||
check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) {
memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
memcpy(pattrib->ta, pattrib->src, ETH_ALEN);
} else if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
memcpy(pattrib->ra, get_bssid(pmlmepriv), ETH_ALEN);
memcpy(pattrib->ta, pattrib->src, ETH_ALEN);
} else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
memcpy(pattrib->ta, get_bssid(pmlmepriv), ETH_ALEN);
} else if (check_fwstate(pmlmepriv, WIFI_MP_STATE)) {
/*firstly, filter packet not belongs to mp*/
if (pattrib->ether_type != 0x8712)
return _FAIL;
/* for mp storing the txcmd per packet,
* according to the info of txcmd to update pattrib
*/
/*get MP_TXDESC_SIZE bytes txcmd per packet*/
_r8712_pktfile_read(&pktfile, (u8 *)&txdesc, TXDESC_SIZE);
memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
memcpy(pattrib->ta, pattrib->src, ETH_ALEN);
pattrib->pctrl = 1;
}
/* r8712_xmitframe_coalesce() overwrite this!*/
pattrib->pktlen = pktfile.pkt_len;
if (pattrib->ether_type == ETH_P_IP) {
/* The following is for DHCP and ARP packet, we use cck1M to
* tx these packets and let LPS awake some time
* to prevent DHCP protocol fail
*/
u8 tmp[24];
_r8712_pktfile_read(&pktfile, &tmp[0], 24);
pattrib->dhcp_pkt = 0;
if (pktfile.pkt_len > 282) {/*MINIMUM_DHCP_PACKET_SIZE)*/
if (pattrib->ether_type == ETH_P_IP) {/* IP header*/
if (((tmp[21] == 68) && (tmp[23] == 67)) ||
((tmp[21] == 67) && (tmp[23] == 68))) {
/* 68 : UDP BOOTP client
* 67 : UDP BOOTP server
* Use low rate to send DHCP packet.
*/
pattrib->dhcp_pkt = 1;
}
}
}
}
bmcast = IS_MCAST(pattrib->ra);
/* get sta_info*/
if (bmcast) {
psta = r8712_get_bcmc_stainfo(padapter);
pattrib->mac_id = 4;
} else {
if (check_fwstate(pmlmepriv, WIFI_MP_STATE)) {
psta = r8712_get_stainfo(pstapriv,
get_bssid(pmlmepriv));
pattrib->mac_id = 5;
} else {
psta = r8712_get_stainfo(pstapriv, pattrib->ra);
if (psta == NULL) /* drop the pkt */
return _FAIL;
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE))
pattrib->mac_id = 5;
else
pattrib->mac_id = psta->mac_id;
}
}
if (psta) {
pattrib->psta = psta;
} else {
/* if we cannot get psta => drrp the pkt */
return _FAIL;
}
pattrib->ack_policy = 0;
/* get ether_hdr_len */
pattrib->pkt_hdrlen = ETH_HLEN;
if (pqospriv->qos_option) {
r8712_set_qos(&pktfile, pattrib);
} else {
pattrib->hdrlen = WLAN_HDR_A3_LEN;
pattrib->subtype = WIFI_DATA_TYPE;
pattrib->priority = 0;
}
if (psta->ieee8021x_blocked) {
pattrib->encrypt = 0;
if ((pattrib->ether_type != 0x888e) &&
!check_fwstate(pmlmepriv, WIFI_MP_STATE))
return _FAIL;
} else {
GET_ENCRY_ALGO(psecuritypriv, psta, pattrib->encrypt, bmcast);
}
switch (pattrib->encrypt) {
case _WEP40_:
case _WEP104_:
pattrib->iv_len = 4;
pattrib->icv_len = 4;
break;
case _TKIP_:
pattrib->iv_len = 8;
pattrib->icv_len = 4;
if (padapter->securitypriv.busetkipkey == _FAIL)
return _FAIL;
break;
case _AES_:
pattrib->iv_len = 8;
pattrib->icv_len = 8;
break;
default:
pattrib->iv_len = 0;
pattrib->icv_len = 0;
break;
}
if (pattrib->encrypt &&
(padapter->securitypriv.sw_encrypt ||
!psecuritypriv->hw_decrypted))
pattrib->bswenc = true;
else
pattrib->bswenc = false;
/* if in MP_STATE, update pkt_attrib from mp_txcmd, and overwrite
* some settings above.
*/
if (check_fwstate(pmlmepriv, WIFI_MP_STATE))
pattrib->priority =
(le32_to_cpu(txdesc.txdw1) >> QSEL_SHT) & 0x1f;
return _SUCCESS;
}
