static void issue_group_disc_req(struct wifidirect_info *pwdinfo, u8 *da) { struct xmit_frame *pmgntframe; struct pkt_attrib *pattrib; unsigned char *pframe; struct ieee80211_hdr *pwlanhdr; unsigned short *fctrl; _adapter *padapter = pwdinfo->padapter; struct xmit_priv *pxmitpriv = &(padapter->xmitpriv); struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); unsigned char category = WLAN_CATEGORY_P2P;//P2P action frame u32 p2poui = cpu_to_be32(P2POUI); u8 oui_subtype = P2P_GO_DISC_REQUEST; u8 dialogToken=0; DBG_871X("[%s]\n", __FUNCTION__); if ((pmgntframe = alloc_mgtxmitframe(pxmitpriv)) == NULL) { return; } //update attribute pattrib = &pmgntframe->attrib; update_mgntframe_attrib(padapter, pattrib); _rtw_memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET); pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET; pwlanhdr = (struct ieee80211_hdr *)pframe; fctrl = &(pwlanhdr->frame_ctl); *(fctrl) = 0; _rtw_memcpy(pwlanhdr->addr1, da, ETH_ALEN); _rtw_memcpy(pwlanhdr->addr2, pwdinfo->interface_addr, ETH_ALEN); _rtw_memcpy(pwlanhdr->addr3, pwdinfo->interface_addr, ETH_ALEN); SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq); pmlmeext->mgnt_seq++; SetFrameSubType(pframe, WIFI_ACTION); pframe += sizeof(struct ieee80211_hdr_3addr); pattrib->pktlen = sizeof(struct ieee80211_hdr_3addr); //Build P2P action frame header pframe = rtw_set_fixed_ie(pframe, 1, &(category), &(pattrib->pktlen)); pframe = rtw_set_fixed_ie(pframe, 4, (unsigned char *) &(p2poui), &(pattrib->pktlen)); pframe = rtw_set_fixed_ie(pframe, 1, &(oui_subtype), &(pattrib->pktlen)); pframe = rtw_set_fixed_ie(pframe, 1, &(dialogToken), &(pattrib->pktlen)); //there is no IE in this P2P action frame pattrib->last_txcmdsz = pattrib->pktlen; dump_mgntframe(padapter, pmgntframe); }
void ConstructNullFunctionData(_adapter *padapter, u8 *pframe, u32 *pLength, u8 *StaAddr, BOOLEAN bForcePowerSave) { struct rtw_ieee80211_hdr *pwlanhdr; u16 *fctrl; u32 pktlen; struct mlme_priv *pmlmepriv = &padapter->mlmepriv; struct wlan_network *cur_network = &pmlmepriv->cur_network; struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); //DBG_871X("%s:%d\n", __FUNCTION__, bForcePowerSave); pwlanhdr = (struct rtw_ieee80211_hdr *)pframe; fctrl = &(pwlanhdr->frame_ctl); *(fctrl) = 0; if (bForcePowerSave) { SetPwrMgt(fctrl); } switch(cur_network->network.InfrastructureMode) { case Ndis802_11Infrastructure: SetToDs(fctrl); _rtw_memcpy(pwlanhdr->addr1, get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN); _rtw_memcpy(pwlanhdr->addr2, myid(&(padapter->eeprompriv)), ETH_ALEN); _rtw_memcpy(pwlanhdr->addr3, StaAddr, ETH_ALEN); break; case Ndis802_11APMode: SetFrDs(fctrl); _rtw_memcpy(pwlanhdr->addr1, StaAddr, ETH_ALEN); _rtw_memcpy(pwlanhdr->addr2, get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN); _rtw_memcpy(pwlanhdr->addr3, myid(&(padapter->eeprompriv)), ETH_ALEN); break; case Ndis802_11IBSS: default: _rtw_memcpy(pwlanhdr->addr1, StaAddr, ETH_ALEN); _rtw_memcpy(pwlanhdr->addr2, myid(&(padapter->eeprompriv)), ETH_ALEN); _rtw_memcpy(pwlanhdr->addr3, get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN); break; } SetSeqNum(pwlanhdr, 0); SetFrameSubType(pframe, WIFI_DATA_NULL); pframe += sizeof(struct rtw_ieee80211_hdr_3addr); pktlen = sizeof(struct rtw_ieee80211_hdr_3addr); *pLength = pktlen; }
void ConstructProbeRsp(_adapter *padapter, u8 *pframe, u32 *pLength, u8 *StaAddr, BOOLEAN bHideSSID) { struct rtw_ieee80211_hdr *pwlanhdr; u16 *fctrl; u8 *mac, *bssid; u32 pktlen; struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); WLAN_BSSID_EX *cur_network = &(pmlmeinfo->network); //DBG_871X("%s\n", __FUNCTION__); pwlanhdr = (struct rtw_ieee80211_hdr *)pframe; mac = myid(&(padapter->eeprompriv)); bssid = cur_network->MacAddress; fctrl = &(pwlanhdr->frame_ctl); *(fctrl) = 0; _rtw_memcpy(pwlanhdr->addr1, StaAddr, ETH_ALEN); _rtw_memcpy(pwlanhdr->addr2, mac, ETH_ALEN); _rtw_memcpy(pwlanhdr->addr3, bssid, ETH_ALEN); SetSeqNum(pwlanhdr, 0); SetFrameSubType(fctrl, WIFI_PROBERSP); pktlen = sizeof(struct rtw_ieee80211_hdr_3addr); pframe += pktlen; if(cur_network->IELength>MAX_IE_SZ) return; _rtw_memcpy(pframe, cur_network->IEs, cur_network->IELength); pframe += cur_network->IELength; pktlen += cur_network->IELength; *pLength = pktlen; }
void ConstructBeacon(_adapter *padapter, u8 *pframe, u32 *pLength) { struct rtw_ieee80211_hdr *pwlanhdr; u16 *fctrl; u32 rate_len, pktlen; struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); WLAN_BSSID_EX *cur_network = &(pmlmeinfo->network); u8 bc_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; //DBG_871X("%s\n", __FUNCTION__); pwlanhdr = (struct rtw_ieee80211_hdr *)pframe; fctrl = &(pwlanhdr->frame_ctl); *(fctrl) = 0; _rtw_memcpy(pwlanhdr->addr1, bc_addr, ETH_ALEN); _rtw_memcpy(pwlanhdr->addr2, myid(&(padapter->eeprompriv)), ETH_ALEN); _rtw_memcpy(pwlanhdr->addr3, get_my_bssid(cur_network), ETH_ALEN); SetSeqNum(pwlanhdr, 0/*pmlmeext->mgnt_seq*/); SetFrameSubType(pframe, WIFI_BEACON); pframe += sizeof(struct rtw_ieee80211_hdr_3addr); pktlen = sizeof (struct rtw_ieee80211_hdr_3addr); //timestamp will be inserted by hardware pframe += 8; pktlen += 8; // beacon interval: 2 bytes _rtw_memcpy(pframe, (unsigned char *)(rtw_get_beacon_interval_from_ie(cur_network->IEs)), 2); pframe += 2; pktlen += 2; // capability info: 2 bytes _rtw_memcpy(pframe, (unsigned char *)(rtw_get_capability_from_ie(cur_network->IEs)), 2); pframe += 2; pktlen += 2; if( (pmlmeinfo->state&0x03) == WIFI_FW_AP_STATE) { DBG_871X("ie len=%u\n", cur_network->IELength); pktlen += cur_network->IELength - sizeof(NDIS_802_11_FIXED_IEs); _rtw_memcpy(pframe, cur_network->IEs+sizeof(NDIS_802_11_FIXED_IEs), pktlen); goto _ConstructBeacon; } //below for ad-hoc mode // SSID pframe = rtw_set_ie(pframe, _SSID_IE_, cur_network->Ssid.SsidLength, cur_network->Ssid.Ssid, &pktlen); // supported rates... rate_len = rtw_get_rateset_len(cur_network->SupportedRates); pframe = rtw_set_ie(pframe, _SUPPORTEDRATES_IE_, ((rate_len > 8)? 8: rate_len), cur_network->SupportedRates, &pktlen); // DS parameter set pframe = rtw_set_ie(pframe, _DSSET_IE_, 1, (unsigned char *)&(cur_network->Configuration.DSConfig), &pktlen); if( (pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE) { u32 ATIMWindow; // IBSS Parameter Set... //ATIMWindow = cur->Configuration.ATIMWindow; ATIMWindow = 0; pframe = rtw_set_ie(pframe, _IBSS_PARA_IE_, 2, (unsigned char *)(&ATIMWindow), &pktlen); } //todo: ERP IE // EXTERNDED SUPPORTED RATE if (rate_len > 8) { pframe = rtw_set_ie(pframe, _EXT_SUPPORTEDRATES_IE_, (rate_len - 8), (cur_network->SupportedRates + 8), &pktlen); } //todo:HT for adhoc _ConstructBeacon: if ((pktlen + TXDESC_SIZE) > 512) { DBG_871X("beacon frame too large\n"); return; } *pLength = pktlen; //DBG_871X("%s bcn_sz=%u\n", __FUNCTION__, pktlen); }
static void issue_p2p_presence_resp(struct wifidirect_info *pwdinfo, u8 *da, u8 status, u8 dialogToken) { struct xmit_frame *pmgntframe; struct pkt_attrib *pattrib; unsigned char *pframe; struct ieee80211_hdr *pwlanhdr; unsigned short *fctrl; _adapter *padapter = pwdinfo->padapter; struct xmit_priv *pxmitpriv = &(padapter->xmitpriv); struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); unsigned char category = WLAN_CATEGORY_P2P;//P2P action frame u32 p2poui = cpu_to_be32(P2POUI); u8 oui_subtype = P2P_PRESENCE_RESPONSE; u8 p2pie[ MAX_P2P_IE_LEN] = { 0x00 }; u8 noa_attr_content[32] = { 0x00 }; u32 p2pielen = 0; DBG_871X("[%s]\n", __FUNCTION__); if ((pmgntframe = alloc_mgtxmitframe(pxmitpriv)) == NULL) { return; } //update attribute pattrib = &pmgntframe->attrib; update_mgntframe_attrib(padapter, pattrib); _rtw_memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET); pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET; pwlanhdr = (struct ieee80211_hdr *)pframe; fctrl = &(pwlanhdr->frame_ctl); *(fctrl) = 0; _rtw_memcpy(pwlanhdr->addr1, da, ETH_ALEN); _rtw_memcpy(pwlanhdr->addr2, pwdinfo->interface_addr, ETH_ALEN); _rtw_memcpy(pwlanhdr->addr3, pwdinfo->interface_addr, ETH_ALEN); SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq); pmlmeext->mgnt_seq++; SetFrameSubType(pframe, WIFI_ACTION); pframe += sizeof(struct ieee80211_hdr_3addr); pattrib->pktlen = sizeof(struct ieee80211_hdr_3addr); //Build P2P action frame header pframe = rtw_set_fixed_ie(pframe, 1, &(category), &(pattrib->pktlen)); pframe = rtw_set_fixed_ie(pframe, 4, (unsigned char *) &(p2poui), &(pattrib->pktlen)); pframe = rtw_set_fixed_ie(pframe, 1, &(oui_subtype), &(pattrib->pktlen)); pframe = rtw_set_fixed_ie(pframe, 1, &(dialogToken), &(pattrib->pktlen)); //Add P2P IE header // P2P OUI p2pielen = 0; p2pie[ p2pielen++ ] = 0x50; p2pie[ p2pielen++ ] = 0x6F; p2pie[ p2pielen++ ] = 0x9A; p2pie[ p2pielen++ ] = 0x09; // WFA P2P v1.0 //Add Status attribute in P2P IE p2pielen += rtw_set_p2p_attr_content(&p2pie[p2pielen], P2P_ATTR_STATUS, 1, &status); //Add NoA attribute in P2P IE noa_attr_content[0] = 0x1;//index noa_attr_content[1] = 0x0;//CTWindow and OppPS Parameters //todo: Notice of Absence Descriptor(s) p2pielen += rtw_set_p2p_attr_content(&p2pie[p2pielen], P2P_ATTR_NOA, 2, noa_attr_content); pframe = rtw_set_ie(pframe, _VENDOR_SPECIFIC_IE_, p2pielen, p2pie, &(pattrib->pktlen)); pattrib->last_txcmdsz = pattrib->pktlen; dump_mgntframe(padapter, pmgntframe); }
static void issue_p2p_provision_resp(struct wifidirect_info *pwdinfo, u8* raddr, u8* frame_body, u16 config_method) { _adapter *padapter = pwdinfo->padapter; unsigned char category = WLAN_CATEGORY_PUBLIC; u8 action = P2P_PUB_ACTION_ACTION; u8 dialogToken = frame_body[7]; // The Dialog Token of provisioning discovery request frame. u32 p2poui = cpu_to_be32(P2POUI); u8 oui_subtype = P2P_PROVISION_DISC_RESP; u8 wpsie[ 100 ] = { 0x00 }; u8 wpsielen = 0; struct xmit_frame *pmgntframe; struct pkt_attrib *pattrib; unsigned char *pframe; struct ieee80211_hdr *pwlanhdr; unsigned short *fctrl; struct xmit_priv *pxmitpriv = &(padapter->xmitpriv); struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); if ((pmgntframe = alloc_mgtxmitframe(pxmitpriv)) == NULL) { return; } //update attribute pattrib = &pmgntframe->attrib; update_mgntframe_attrib(padapter, pattrib); _rtw_memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET); pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET; pwlanhdr = (struct ieee80211_hdr *)pframe; fctrl = &(pwlanhdr->frame_ctl); *(fctrl) = 0; _rtw_memcpy(pwlanhdr->addr1, raddr, ETH_ALEN); _rtw_memcpy(pwlanhdr->addr2, myid(&(padapter->eeprompriv)), ETH_ALEN); _rtw_memcpy(pwlanhdr->addr3, myid(&(padapter->eeprompriv)), ETH_ALEN); SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq); pmlmeext->mgnt_seq++; SetFrameSubType(pframe, WIFI_ACTION); pframe += sizeof(struct ieee80211_hdr_3addr); pattrib->pktlen = sizeof(struct ieee80211_hdr_3addr); pframe = rtw_set_fixed_ie(pframe, 1, &(category), &(pattrib->pktlen)); pframe = rtw_set_fixed_ie(pframe, 1, &(action), &(pattrib->pktlen)); pframe = rtw_set_fixed_ie(pframe, 4, (unsigned char *) &(p2poui), &(pattrib->pktlen)); pframe = rtw_set_fixed_ie(pframe, 1, &(oui_subtype), &(pattrib->pktlen)); pframe = rtw_set_fixed_ie(pframe, 1, &(dialogToken), &(pattrib->pktlen)); wpsielen = 0; // WPS OUI //*(u32*) ( wpsie ) = cpu_to_be32( WPSOUI ); RTW_PUT_BE32(wpsie, WPSOUI); wpsielen += 4; #if 0 // WPS version // Type: *(u16*) ( wpsie + wpsielen ) = cpu_to_be16( WPS_ATTR_VER1 ); wpsielen += 2; // Length: *(u16*) ( wpsie + wpsielen ) = cpu_to_be16( 0x0001 ); wpsielen += 2; // Value: wpsie[wpsielen++] = WPS_VERSION_1; // Version 1.0 #endif // Config Method // Type: //*(u16*) ( wpsie + wpsielen ) = cpu_to_be16( WPS_ATTR_CONF_METHOD ); RTW_PUT_BE16(wpsie + wpsielen, WPS_ATTR_CONF_METHOD); wpsielen += 2; // Length: //*(u16*) ( wpsie + wpsielen ) = cpu_to_be16( 0x0002 ); RTW_PUT_BE16(wpsie + wpsielen, 0x0002); wpsielen += 2; // Value: //*(u16*) ( wpsie + wpsielen ) = cpu_to_be16( config_method ); RTW_PUT_BE16(wpsie + wpsielen, config_method); wpsielen += 2; pframe = rtw_set_ie(pframe, _VENDOR_SPECIFIC_IE_, wpsielen, (unsigned char *) wpsie, &pattrib->pktlen ); pattrib->last_txcmdsz = pattrib->pktlen; dump_mgntframe(padapter, pmgntframe); return; }
static void issue_p2p_devdisc_resp(struct wifidirect_info *pwdinfo, u8 *da, u8 status, u8 dialogToken) { struct xmit_frame *pmgntframe; struct pkt_attrib *pattrib; unsigned char *pframe; struct ieee80211_hdr *pwlanhdr; unsigned short *fctrl; _adapter *padapter = pwdinfo->padapter; struct xmit_priv *pxmitpriv = &(padapter->xmitpriv); struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); unsigned char category = WLAN_CATEGORY_PUBLIC; u8 action = P2P_PUB_ACTION_ACTION; u32 p2poui = cpu_to_be32(P2POUI); u8 oui_subtype = P2P_DEVDISC_RESP; u8 p2pie[8] = { 0x00 }; u32 p2pielen = 0; DBG_871X("[%s]\n", __FUNCTION__); if ((pmgntframe = alloc_mgtxmitframe(pxmitpriv)) == NULL) { return; } //update attribute pattrib = &pmgntframe->attrib; update_mgntframe_attrib(padapter, pattrib); _rtw_memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET); pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET; pwlanhdr = (struct ieee80211_hdr *)pframe; fctrl = &(pwlanhdr->frame_ctl); *(fctrl) = 0; _rtw_memcpy(pwlanhdr->addr1, da, ETH_ALEN); _rtw_memcpy(pwlanhdr->addr2, pwdinfo->device_addr, ETH_ALEN); _rtw_memcpy(pwlanhdr->addr3, pwdinfo->device_addr, ETH_ALEN); SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq); pmlmeext->mgnt_seq++; SetFrameSubType(pframe, WIFI_ACTION); pframe += sizeof(struct ieee80211_hdr_3addr); pattrib->pktlen = sizeof(struct ieee80211_hdr_3addr); //Build P2P public action frame header pframe = rtw_set_fixed_ie(pframe, 1, &(category), &(pattrib->pktlen)); pframe = rtw_set_fixed_ie(pframe, 1, &(action), &(pattrib->pktlen)); pframe = rtw_set_fixed_ie(pframe, 4, (unsigned char *) &(p2poui), &(pattrib->pktlen)); pframe = rtw_set_fixed_ie(pframe, 1, &(oui_subtype), &(pattrib->pktlen)); pframe = rtw_set_fixed_ie(pframe, 1, &(dialogToken), &(pattrib->pktlen)); //Build P2P IE // P2P OUI p2pielen = 0; p2pie[ p2pielen++ ] = 0x50; p2pie[ p2pielen++ ] = 0x6F; p2pie[ p2pielen++ ] = 0x9A; p2pie[ p2pielen++ ] = 0x09; // WFA P2P v1.0 // P2P_ATTR_STATUS p2pielen += rtw_set_p2p_attr_content(&p2pie[p2pielen], P2P_ATTR_STATUS, 1, &status); pframe = rtw_set_ie(pframe, _VENDOR_SPECIFIC_IE_, p2pielen, p2pie, &pattrib->pktlen); pattrib->last_txcmdsz = pattrib->pktlen; dump_mgntframe(padapter, pmgntframe); }
// // Description: // Construct the ARP response packet to support ARP offload. // static void ConstructARPResponse( PADAPTER padapter, u8 *pframe, u32 *pLength, u8 *pIPAddress ) { struct rtw_ieee80211_hdr *pwlanhdr; struct mlme_priv *pmlmepriv = &padapter->mlmepriv; struct wlan_network *cur_network = &pmlmepriv->cur_network; struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); struct security_priv *psecuritypriv = &padapter->securitypriv; static u8 ARPLLCHeader[8] = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0x00, 0x08, 0x06}; u16 *fctrl; u32 pktlen; u8 *pARPRspPkt = pframe; //for TKIP Cal MIC u8 *payload = pframe; u8 EncryptionHeadOverhead = 0; pwlanhdr = (struct rtw_ieee80211_hdr*)pframe; fctrl = &pwlanhdr->frame_ctl; *(fctrl) = 0; //------------------------------------------------------------------------- // MAC Header. //------------------------------------------------------------------------- SetFrameType(fctrl, WIFI_DATA); //SetFrameSubType(fctrl, 0); SetToDs(fctrl); _rtw_memcpy(pwlanhdr->addr1, get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN); _rtw_memcpy(pwlanhdr->addr2, myid(&(padapter->eeprompriv)), ETH_ALEN); _rtw_memcpy(pwlanhdr->addr3, get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN); SetSeqNum(pwlanhdr, 0); SetDuration(pwlanhdr, 0); //SET_80211_HDR_FRAME_CONTROL(pARPRspPkt, 0); //SET_80211_HDR_TYPE_AND_SUBTYPE(pARPRspPkt, Type_Data); //SET_80211_HDR_TO_DS(pARPRspPkt, 1); //SET_80211_HDR_ADDRESS1(pARPRspPkt, pMgntInfo->Bssid); //SET_80211_HDR_ADDRESS2(pARPRspPkt, Adapter->CurrentAddress); //SET_80211_HDR_ADDRESS3(pARPRspPkt, pMgntInfo->Bssid); //SET_80211_HDR_DURATION(pARPRspPkt, 0); //SET_80211_HDR_FRAGMENT_SEQUENCE(pARPRspPkt, 0); #ifdef CONFIG_WAPI_SUPPORT *pLength = sMacHdrLng; #else *pLength = 24; #endif //YJ,del,120503 #if 0 //------------------------------------------------------------------------- // Qos Header: leave space for it if necessary. //------------------------------------------------------------------------- if(pStaQos->CurrentQosMode > QOS_DISABLE) { SET_80211_HDR_QOS_EN(pARPRspPkt, 1); PlatformZeroMemory(&(Buffer[*pLength]), sQoSCtlLng); *pLength += sQoSCtlLng; } #endif //------------------------------------------------------------------------- // Security Header: leave space for it if necessary. //------------------------------------------------------------------------- switch (psecuritypriv->dot11PrivacyAlgrthm) { case _WEP40_: case _WEP104_: EncryptionHeadOverhead = 4; break; case _TKIP_: EncryptionHeadOverhead = 8; break; case _AES_: EncryptionHeadOverhead = 8; break; #ifdef CONFIG_WAPI_SUPPORT case _SMS4_: EncryptionHeadOverhead = 18; break; #endif default: EncryptionHeadOverhead = 0; } if(EncryptionHeadOverhead > 0) { _rtw_memset(&(pframe[*pLength]), 0,EncryptionHeadOverhead); *pLength += EncryptionHeadOverhead; //SET_80211_HDR_WEP(pARPRspPkt, 1); //Suggested by CCW. SetPrivacy(fctrl); } //------------------------------------------------------------------------- // Frame Body. //------------------------------------------------------------------------- pARPRspPkt = (u8*)(pframe+ *pLength); // LLC header _rtw_memcpy(pARPRspPkt, ARPLLCHeader, 8); *pLength += 8; // ARP element pARPRspPkt += 8; SET_ARP_PKT_HW(pARPRspPkt, 0x0100); SET_ARP_PKT_PROTOCOL(pARPRspPkt, 0x0008); // IP protocol SET_ARP_PKT_HW_ADDR_LEN(pARPRspPkt, 6); SET_ARP_PKT_PROTOCOL_ADDR_LEN(pARPRspPkt, 4); SET_ARP_PKT_OPERATION(pARPRspPkt, 0x0200); // ARP response SET_ARP_PKT_SENDER_MAC_ADDR(pARPRspPkt, myid(&(padapter->eeprompriv))); SET_ARP_PKT_SENDER_IP_ADDR(pARPRspPkt, pIPAddress); #ifdef CONFIG_ARP_KEEP_ALIVE if (rtw_gw_addr_query(padapter)==0) { SET_ARP_PKT_TARGET_MAC_ADDR(pARPRspPkt, pmlmepriv->gw_mac_addr); SET_ARP_PKT_TARGET_IP_ADDR(pARPRspPkt, pmlmepriv->gw_ip); } else #endif { SET_ARP_PKT_TARGET_MAC_ADDR(pARPRspPkt, get_my_bssid(&(pmlmeinfo->network))); SET_ARP_PKT_TARGET_IP_ADDR(pARPRspPkt, pIPAddress); DBG_871X("%s Target Mac Addr:" MAC_FMT "\n", __FUNCTION__, MAC_ARG(get_my_bssid(&(pmlmeinfo->network)))); DBG_871X("%s Target IP Addr" IP_FMT "\n", __FUNCTION__, IP_ARG(pIPAddress)); } *pLength += 28; if (psecuritypriv->dot11PrivacyAlgrthm == _TKIP_) { u8 mic[8]; struct mic_data micdata; struct sta_info *psta = NULL; u8 priority[4]={0x0,0x0,0x0,0x0}; u8 null_key[16]={0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0}; DBG_871X("%s(): Add MIC\n",__FUNCTION__); psta = rtw_get_stainfo(&padapter->stapriv, get_my_bssid(&(pmlmeinfo->network))); if (psta != NULL) { if(_rtw_memcmp(&psta->dot11tkiptxmickey.skey[0],null_key, 16)==_TRUE){ DBG_871X("%s(): STA dot11tkiptxmickey==0\n",__FUNCTION__); } //start to calculate the mic code rtw_secmicsetkey(&micdata, &psta->dot11tkiptxmickey.skey[0]); } rtw_secmicappend(&micdata, pwlanhdr->addr3, 6); //DA rtw_secmicappend(&micdata, pwlanhdr->addr2, 6); //SA priority[0]=0; rtw_secmicappend(&micdata, &priority[0], 4); rtw_secmicappend(&micdata, payload, 36); //payload length = 8 + 28 rtw_secgetmic(&micdata,&(mic[0])); pARPRspPkt += 28; _rtw_memcpy(pARPRspPkt, &(mic[0]),8); *pLength += 8; } }
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; }