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; }
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; }