/* This function parses WMM related parameters from cfg80211_ap_settings
* structure and updates bss_config structure.
*/
void
mwifiex_set_wmm_params(struct mwifiex_private *priv,
struct mwifiex_uap_bss_param *bss_cfg,
struct cfg80211_ap_settings *params)
{
const u8 *vendor_ie;
struct ieee_types_header *wmm_ie;
u8 wmm_oui[] = {0x00, 0x50, 0xf2, 0x02};
vendor_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
WLAN_OUI_TYPE_MICROSOFT_WMM,
params->beacon.tail,
params->beacon.tail_len);
if (vendor_ie) {
wmm_ie = (struct ieee_types_header *)vendor_ie;
memcpy(&bss_cfg->wmm_info, wmm_ie + 1,
sizeof(bss_cfg->wmm_info));
priv->wmm_enabled = 1;
} else {
memset(&bss_cfg->wmm_info, 0, sizeof(bss_cfg->wmm_info));
memcpy(&bss_cfg->wmm_info.oui, wmm_oui, sizeof(wmm_oui));
bss_cfg->wmm_info.subtype = MWIFIEX_WMM_SUBTYPE;
bss_cfg->wmm_info.version = MWIFIEX_WMM_VERSION;
priv->wmm_enabled = 0;
}
bss_cfg->qos_info = 0x00;
return;
}
/* This function checks if the vendor specified IE is present in passed buffer
* and copies it to mwifiex_ie structure.
* Function takes pointer to struct mwifiex_ie pointer as argument.
* If the vendor specified IE is present then memory is allocated for
* mwifiex_ie pointer and filled in with IE. Caller should take care of freeing
* this memory.
*/
static int mwifiex_update_vs_ie(const u8 *ies, int ies_len,
struct mwifiex_ie **ie_ptr, u16 mask,
unsigned int oui, u8 oui_type)
{
struct ieee_types_header *vs_ie;
struct mwifiex_ie *ie = *ie_ptr;
const u8 *vendor_ie;
vendor_ie = cfg80211_find_vendor_ie(oui, oui_type, ies, ies_len);
if (vendor_ie) {
if (!*ie_ptr) {
*ie_ptr = kzalloc(sizeof(struct mwifiex_ie),
GFP_KERNEL);
if (!*ie_ptr)
return -ENOMEM;
ie = *ie_ptr;
}
vs_ie = (struct ieee_types_header *)vendor_ie;
memcpy(ie->ie_buffer + le16_to_cpu(ie->ie_length),
vs_ie, vs_ie->len + 2);
le16_add_cpu(&ie->ie_length, vs_ie->len + 2);
ie->mgmt_subtype_mask = cpu_to_le16(mask);
ie->ie_index = cpu_to_le16(MWIFIEX_AUTO_IDX_MASK);
}
*ie_ptr = ie;
return 0;
}
/* This function parses different IEs-tail IEs, beacon IEs, probe response IEs,
* association response IEs from cfg80211_ap_settings function and sets these IE
* to FW.
*/
int mwifiex_set_mgmt_ies(struct mwifiex_private *priv,
struct cfg80211_beacon_data *info)
{
struct mwifiex_ie *gen_ie;
struct ieee_types_header *rsn_ie, *wpa_ie = NULL;
u16 rsn_idx = MWIFIEX_AUTO_IDX_MASK, ie_len = 0;
const u8 *vendor_ie;
if (info->tail && info->tail_len) {
gen_ie = kzalloc(sizeof(struct mwifiex_ie), GFP_KERNEL);
if (!gen_ie)
return -ENOMEM;
gen_ie->ie_index = cpu_to_le16(rsn_idx);
gen_ie->mgmt_subtype_mask = cpu_to_le16(MGMT_MASK_BEACON |
MGMT_MASK_PROBE_RESP |
MGMT_MASK_ASSOC_RESP);
rsn_ie = (void *)cfg80211_find_ie(WLAN_EID_RSN,
info->tail, info->tail_len);
if (rsn_ie) {
memcpy(gen_ie->ie_buffer, rsn_ie, rsn_ie->len + 2);
ie_len = rsn_ie->len + 2;
gen_ie->ie_length = cpu_to_le16(ie_len);
}
vendor_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
WLAN_OUI_TYPE_MICROSOFT_WPA,
info->tail,
info->tail_len);
if (vendor_ie) {
wpa_ie = (struct ieee_types_header *)vendor_ie;
memcpy(gen_ie->ie_buffer + ie_len,
wpa_ie, wpa_ie->len + 2);
ie_len += wpa_ie->len + 2;
gen_ie->ie_length = cpu_to_le16(ie_len);
}
if (rsn_ie || wpa_ie) {
if (mwifiex_update_uap_custom_ie(priv, gen_ie, &rsn_idx,
NULL, NULL,
NULL, NULL)) {
kfree(gen_ie);
return -1;
}
priv->rsn_idx = rsn_idx;
}
kfree(gen_ie);
}
return mwifiex_set_mgmt_beacon_data_ies(priv, info);
}
BOOLEAN CFG80211_SyncPacketWmmIe(RTMP_ADAPTER *pAd, VOID *pData, ULONG dataLen)
{
const UINT WFA_OUI = 0x0050F2;
const UCHAR WMM_OUI_TYPE = 0x2;
UCHAR *wmm_ie = NULL;
//hex_dump("probe_rsp_in:", pData, dataLen);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)
wmm_ie = (UCHAR *)cfg80211_find_vendor_ie(WFA_OUI, WMM_OUI_TYPE, pData, dataLen);
#endif
if (wmm_ie != NULL)
{
#ifdef RT_CFG80211_P2P_SUPPORT
#ifdef UAPSD_SUPPORT
if (pAd->ApCfg.MBSSID[CFG_GO_BSSID_IDX].wdev.UapsdInfo.bAPSDCapable == TRUE)
{
wmm_ie[8] |= 0x80;
}
#endif /* UAPSD_SUPPORT */
#endif /* RT_CFG80211_P2P_SUPPORT */
UINT i = QID_AC_BE;
/* WMM: sync from driver's EDCA paramter */
for (i = QID_AC_BE; i <= QID_AC_VO; i++)
{
wmm_ie[10+ (i*4)] = (i << 5) + /* b5-6 is ACI */
((UCHAR)pAd->ApCfg.BssEdcaParm.bACM[i] << 4) + /* b4 is ACM */
(pAd->ApCfg.BssEdcaParm.Aifsn[i] & 0x0f); /* b0-3 is AIFSN */
wmm_ie[11+ (i*4)] = (pAd->ApCfg.BssEdcaParm.Cwmax[i] << 4) + /* b5-8 is CWMAX */
(pAd->ApCfg.BssEdcaParm.Cwmin[i] & 0x0f); /* b0-3 is CWMIN */
wmm_ie[12+ (i*4)] = (UCHAR)(pAd->ApCfg.BssEdcaParm.Txop[i] & 0xff);/* low byte of TXOP */
wmm_ie[13+ (i*4)] = (UCHAR)(pAd->ApCfg.BssEdcaParm.Txop[i] >> 8); /* high byte of TXOP */
}
return TRUE;
}
return FALSE;
}
static INT CFG80211DRV_UpdateApSettingFromBeacon(PRTMP_ADAPTER pAd, UINT mbss_idx, CMD_RTPRIV_IOCTL_80211_BEACON *pBeacon)
{
PMULTISSID_STRUCT pMbss = &pAd->ApCfg.MBSSID[mbss_idx];
struct wifi_dev *wdev = &pMbss->wdev;
const UCHAR *ssid_ie = NULL, *wpa_ie = NULL, *rsn_ie = NULL;
const UINT WFA_OUI = 0x0050F2;
const UCHAR WMM_OUI_TYPE = 0x2;
UCHAR *wmm_ie = NULL;
const UCHAR *supp_rates_ie = NULL;
const UCHAR *ext_supp_rates_ie = NULL, *ht_cap = NULL, *ht_info = NULL;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
const UCHAR CFG_HT_OP_EID = WLAN_EID_HT_OPERATION;
#else
const UCHAR CFG_HT_OP_EID = WLAN_EID_HT_INFORMATION;
#endif /* LINUX_VERSION_CODE: 3.5.0 */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
const UCHAR CFG_WPA_EID = WLAN_EID_VENDOR_SPECIFIC;
#else
const UCHAR CFG_WPA_EID = WLAN_EID_WPA;
#endif /* LINUX_VERSION_CODE: 3.8.0 */
ssid_ie = cfg80211_find_ie(WLAN_EID_SSID, pBeacon->beacon_head+36, pBeacon->beacon_head_len-36);
supp_rates_ie = cfg80211_find_ie(WLAN_EID_SUPP_RATES, pBeacon->beacon_head+36, pBeacon->beacon_head_len-36);
/* if it doesn't find WPA_IE in tail first 30 bytes. treat it as is not found */
wpa_ie = cfg80211_find_ie(CFG_WPA_EID, pBeacon->beacon_tail, pBeacon->beacon_tail_len);
rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, pBeacon->beacon_tail, pBeacon->beacon_tail_len);
wmm_ie = cfg80211_find_vendor_ie(WFA_OUI, WMM_OUI_TYPE, pBeacon->beacon_tail, pBeacon->beacon_tail_len);
ht_cap = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, pBeacon->beacon_tail, pBeacon->beacon_tail_len);
ht_info = cfg80211_find_ie(CFG_HT_OP_EID, pBeacon->beacon_tail, pBeacon->beacon_tail_len);
/* SSID */
NdisZeroMemory(pMbss->Ssid, pMbss->SsidLen);
if (ssid_ie == NULL)
{
NdisMoveMemory(pMbss->Ssid, "CFG_Linux_GO", 12);
pMbss->SsidLen = 12;
DBGPRINT(RT_DEBUG_ERROR,("CFG: SSID Not Found In Packet\n"));
}
else
{
pMbss->SsidLen = ssid_ie[1];
NdisCopyMemory(pMbss->Ssid, ssid_ie+2, pMbss->SsidLen);
DBGPRINT(RT_DEBUG_TRACE,("CFG : SSID: %s, %d\n", pMbss->Ssid, pMbss->SsidLen));
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
if (pBeacon->hidden_ssid > 0 && pBeacon->hidden_ssid < 3) {
pMbss->bHideSsid = TRUE;
}
else
pMbss->bHideSsid = FALSE;
if (pBeacon->hidden_ssid == 1)
pMbss->SsidLen = 0;
#endif /* LINUX_VERSION_CODE 3.4.0 */
/* WMM EDCA Paramter */
CFG80211_SyncPacketWmmIe(pAd, pBeacon->beacon_tail, pBeacon->beacon_tail_len);
/* Security */
CFG80211_ParseBeaconIE(pAd, pMbss, wdev, wpa_ie, rsn_ie);
pMbss->CapabilityInfo = CAP_GENERATE(1, 0, (wdev->WepStatus != Ndis802_11EncryptionDisabled),
(pAd->CommonCfg.TxPreamble == Rt802_11PreambleLong ? 0 : 1), pAd->CommonCfg.bUseShortSlotTime, /*SpectrumMgmt*/FALSE);
/* Disable Driver-Internal Rekey */
pMbss->WPAREKEY.ReKeyInterval = 0;
pMbss->WPAREKEY.ReKeyMethod = DISABLE_REKEY;
if (pBeacon->interval != 0)
{
DBGPRINT(RT_DEBUG_TRACE,("CFG_TIM New BI %d\n", pBeacon->interval));
pAd->CommonCfg.BeaconPeriod = pBeacon->interval;
}
if (pBeacon->dtim_period != 0)
{
DBGPRINT(RT_DEBUG_TRACE, ("CFG_TIM New DP %d\n", pBeacon->dtim_period));
pAd->ApCfg.DtimPeriod = pBeacon->dtim_period;
}
}
/* This function parses head and tail IEs, from cfg80211_beacon_data and sets
* these IE to FW.
*/
static int mwifiex_uap_parse_tail_ies(struct mwifiex_private *priv,
struct cfg80211_beacon_data *info)
{
struct mwifiex_ie *gen_ie;
struct ieee_types_header *hdr;
struct ieee80211_vendor_ie *vendorhdr;
u16 gen_idx = MWIFIEX_AUTO_IDX_MASK, ie_len = 0;
int left_len, parsed_len = 0;
if (!info->tail || !info->tail_len)
return 0;
gen_ie = kzalloc(sizeof(*gen_ie), GFP_KERNEL);
if (!gen_ie)
return -ENOMEM;
left_len = info->tail_len;
/* Many IEs are generated in FW by parsing bss configuration.
* Let's not add them here; else we may end up duplicating these IEs
*/
while (left_len > sizeof(struct ieee_types_header)) {
hdr = (void *)(info->tail + parsed_len);
switch (hdr->element_id) {
case WLAN_EID_SSID:
case WLAN_EID_SUPP_RATES:
case WLAN_EID_COUNTRY:
case WLAN_EID_PWR_CONSTRAINT:
case WLAN_EID_EXT_SUPP_RATES:
case WLAN_EID_HT_CAPABILITY:
case WLAN_EID_HT_OPERATION:
case WLAN_EID_VHT_CAPABILITY:
case WLAN_EID_VHT_OPERATION:
case WLAN_EID_VENDOR_SPECIFIC:
break;
default:
memcpy(gen_ie->ie_buffer + ie_len, hdr,
hdr->len + sizeof(struct ieee_types_header));
ie_len += hdr->len + sizeof(struct ieee_types_header);
break;
}
left_len -= hdr->len + sizeof(struct ieee_types_header);
parsed_len += hdr->len + sizeof(struct ieee_types_header);
}
/* parse only WPA vendor IE from tail, WMM IE is configured by
* bss_config command
*/
vendorhdr = (void *)cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
WLAN_OUI_TYPE_MICROSOFT_WPA,
info->tail, info->tail_len);
if (vendorhdr) {
memcpy(gen_ie->ie_buffer + ie_len, vendorhdr,
vendorhdr->len + sizeof(struct ieee_types_header));
ie_len += vendorhdr->len + sizeof(struct ieee_types_header);
}
if (!ie_len) {
kfree(gen_ie);
return 0;
}
gen_ie->ie_index = cpu_to_le16(gen_idx);
gen_ie->mgmt_subtype_mask = cpu_to_le16(MGMT_MASK_BEACON |
MGMT_MASK_PROBE_RESP |
MGMT_MASK_ASSOC_RESP);
gen_ie->ie_length = cpu_to_le16(ie_len);
if (mwifiex_update_uap_custom_ie(priv, gen_ie, &gen_idx, NULL, NULL,
NULL, NULL)) {
kfree(gen_ie);
return -1;
}
priv->gen_idx = gen_idx;
kfree(gen_ie);
return 0;
}
