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rtw_p2p.c
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/******************************************************************************
*
* Copyright(c) 2007 - 2017 Realtek Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
*****************************************************************************/
#define _RTW_P2P_C_
#include <drv_types.h>
#ifdef CONFIG_P2P
int rtw_p2p_is_channel_list_ok(u8 desired_ch, u8 *ch_list, u8 ch_cnt)
{
int found = 0, i = 0;
for (i = 0; i < ch_cnt; i++) {
if (ch_list[i] == desired_ch) {
found = 1;
break;
}
}
return found ;
}
int is_any_client_associated(_adapter *padapter)
{
return padapter->stapriv.asoc_list_cnt ? _TRUE : _FALSE;
}
static u32 go_add_group_info_attr(struct wifidirect_info *pwdinfo, u8 *pbuf)
{
_irqL irqL;
_list *phead, *plist;
u32 len = 0;
u16 attr_len = 0;
u8 tmplen, *pdata_attr, *pstart, *pcur;
struct sta_info *psta = NULL;
_adapter *padapter = pwdinfo->padapter;
struct sta_priv *pstapriv = &padapter->stapriv;
RTW_INFO(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(padapter));
pdata_attr = rtw_zmalloc(MAX_P2P_IE_LEN);
if (NULL == pdata_attr) {
RTW_INFO("%s pdata_attr malloc failed\n", __FUNCTION__);
goto _exit;
}
pstart = pdata_attr;
pcur = pdata_attr;
_enter_critical_bh(&pstapriv->asoc_list_lock, &irqL);
phead = &pstapriv->asoc_list;
plist = get_next(phead);
/* look up sta asoc_queue */
while ((rtw_end_of_queue_search(phead, plist)) == _FALSE) {
psta = LIST_CONTAINOR(plist, struct sta_info, asoc_list);
plist = get_next(plist);
if (psta->is_p2p_device) {
tmplen = 0;
pcur++;
/* P2P device address */
_rtw_memcpy(pcur, psta->dev_addr, ETH_ALEN);
pcur += ETH_ALEN;
/* P2P interface address */
_rtw_memcpy(pcur, psta->cmn.mac_addr, ETH_ALEN);
pcur += ETH_ALEN;
*pcur = psta->dev_cap;
pcur++;
/* *(u16*)(pcur) = cpu_to_be16(psta->config_methods); */
RTW_PUT_BE16(pcur, psta->config_methods);
pcur += 2;
_rtw_memcpy(pcur, psta->primary_dev_type, 8);
pcur += 8;
*pcur = psta->num_of_secdev_type;
pcur++;
_rtw_memcpy(pcur, psta->secdev_types_list, psta->num_of_secdev_type * 8);
pcur += psta->num_of_secdev_type * 8;
if (psta->dev_name_len > 0) {
/* *(u16*)(pcur) = cpu_to_be16( WPS_ATTR_DEVICE_NAME ); */
RTW_PUT_BE16(pcur, WPS_ATTR_DEVICE_NAME);
pcur += 2;
/* *(u16*)(pcur) = cpu_to_be16( psta->dev_name_len ); */
RTW_PUT_BE16(pcur, psta->dev_name_len);
pcur += 2;
_rtw_memcpy(pcur, psta->dev_name, psta->dev_name_len);
pcur += psta->dev_name_len;
}
tmplen = (u8)(pcur - pstart);
*pstart = (tmplen - 1);
attr_len += tmplen;
/* pstart += tmplen; */
pstart = pcur;
}
}
_exit_critical_bh(&pstapriv->asoc_list_lock, &irqL);
if (attr_len > 0)
len = rtw_set_p2p_attr_content(pbuf, P2P_ATTR_GROUP_INFO, attr_len, pdata_attr);
rtw_mfree(pdata_attr, MAX_P2P_IE_LEN);
_exit:
return len;
}
static void issue_group_disc_req(struct wifidirect_info *pwdinfo, u8 *da)
{
struct xmit_frame *pmgntframe;
struct pkt_attrib *pattrib;
unsigned char *pframe;
struct rtw_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 = RTW_WLAN_CATEGORY_P2P;/* P2P action frame */
u32 p2poui = cpu_to_be32(P2POUI);
u8 oui_subtype = P2P_GO_DISC_REQUEST;
u8 dialogToken = 0;
RTW_INFO("[%s]\n", __FUNCTION__);
pmgntframe = alloc_mgtxmitframe(pxmitpriv);
if (pmgntframe == 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 rtw_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++;
set_frame_sub_type(pframe, WIFI_ACTION);
pframe += sizeof(struct rtw_ieee80211_hdr_3addr);
pattrib->pktlen = sizeof(struct rtw_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);
}
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 rtw_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 = RTW_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;
RTW_INFO("[%s]\n", __FUNCTION__);
pmgntframe = alloc_mgtxmitframe(pxmitpriv);
if (pmgntframe == 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 rtw_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++;
set_frame_sub_type(pframe, WIFI_ACTION);
pframe += sizeof(struct rtw_ieee80211_hdr_3addr);
pattrib->pktlen = sizeof(struct rtw_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);
}
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 = RTW_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;
#ifdef CONFIG_WFD
u32 wfdielen = 0;
#endif
struct xmit_frame *pmgntframe;
struct pkt_attrib *pattrib;
unsigned char *pframe;
struct rtw_ieee80211_hdr *pwlanhdr;
unsigned short *fctrl;
struct xmit_priv *pxmitpriv = &(padapter->xmitpriv);
struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
pmgntframe = alloc_mgtxmitframe(pxmitpriv);
if (pmgntframe == 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 rtw_ieee80211_hdr *)pframe;
fctrl = &(pwlanhdr->frame_ctl);
*(fctrl) = 0;
_rtw_memcpy(pwlanhdr->addr1, raddr, ETH_ALEN);
_rtw_memcpy(pwlanhdr->addr2, adapter_mac_addr(padapter), ETH_ALEN);
_rtw_memcpy(pwlanhdr->addr3, adapter_mac_addr(padapter), ETH_ALEN);
SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq);
pmlmeext->mgnt_seq++;
set_frame_sub_type(pframe, WIFI_ACTION);
pframe += sizeof(struct rtw_ieee80211_hdr_3addr);
pattrib->pktlen = sizeof(struct rtw_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);
#ifdef CONFIG_WFD
wfdielen = build_provdisc_resp_wfd_ie(pwdinfo, pframe);
pframe += wfdielen;
pattrib->pktlen += wfdielen;
#endif
pattrib->last_txcmdsz = pattrib->pktlen;
dump_mgntframe(padapter, pmgntframe);
return;
}
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 rtw_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 = RTW_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;
RTW_INFO("[%s]\n", __FUNCTION__);
pmgntframe = alloc_mgtxmitframe(pxmitpriv);
if (pmgntframe == 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 rtw_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++;
set_frame_sub_type(pframe, WIFI_ACTION);
pframe += sizeof(struct rtw_ieee80211_hdr_3addr);
pattrib->pktlen = sizeof(struct rtw_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);
}
u32 build_beacon_p2p_ie(struct wifidirect_info *pwdinfo, u8 *pbuf)
{
u8 p2pie[MAX_P2P_IE_LEN] = { 0x00 };
u16 capability = 0;
u32 len = 0, p2pielen = 0;
/* P2P OUI */
p2pielen = 0;
p2pie[p2pielen++] = 0x50;
p2pie[p2pielen++] = 0x6F;
p2pie[p2pielen++] = 0x9A;
p2pie[p2pielen++] = 0x09; /* WFA P2P v1.0 */
/* According to the P2P Specification, the beacon frame should contain 3 P2P attributes */
/* 1. P2P Capability */
/* 2. P2P Device ID */
/* 3. Notice of Absence ( NOA ) */
/* P2P Capability ATTR */
/* Type: */
/* Length: */
/* Value: */
/* Device Capability Bitmap, 1 byte */
/* Be able to participate in additional P2P Groups and */
/* support the P2P Invitation Procedure */
/* Group Capability Bitmap, 1 byte */
capability = P2P_DEVCAP_INVITATION_PROC | P2P_DEVCAP_CLIENT_DISCOVERABILITY;
capability |= ((P2P_GRPCAP_GO | P2P_GRPCAP_INTRABSS) << 8);
if (rtw_p2p_chk_state(pwdinfo, P2P_STATE_PROVISIONING_ING))
capability |= (P2P_GRPCAP_GROUP_FORMATION << 8);
capability = cpu_to_le16(capability);
p2pielen += rtw_set_p2p_attr_content(&p2pie[p2pielen], P2P_ATTR_CAPABILITY, 2, (u8 *)&capability);
/* P2P Device ID ATTR */
p2pielen += rtw_set_p2p_attr_content(&p2pie[p2pielen], P2P_ATTR_DEVICE_ID, ETH_ALEN, pwdinfo->device_addr);
/* Notice of Absence ATTR */
/* Type: */
/* Length: */
/* Value: */
/* go_add_noa_attr(pwdinfo); */
pbuf = rtw_set_ie(pbuf, _VENDOR_SPECIFIC_IE_, p2pielen, (unsigned char *) p2pie, &len);
return len;
}
#ifdef CONFIG_WFD
u32 build_beacon_wfd_ie(struct wifidirect_info *pwdinfo, u8 *pbuf)
{
u8 wfdie[MAX_WFD_IE_LEN] = { 0x00 };
u16 val16 = 0;
u32 len = 0, wfdielen = 0;
_adapter *padapter = pwdinfo->padapter;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct wifi_display_info *pwfd_info = padapter->wdinfo.wfd_info;
if (!hal_chk_wl_func(padapter, WL_FUNC_MIRACAST))
goto exit;
/* WFD OUI */
wfdielen = 0;
wfdie[wfdielen++] = 0x50;
wfdie[wfdielen++] = 0x6F;
wfdie[wfdielen++] = 0x9A;
wfdie[wfdielen++] = 0x0A; /* WFA WFD v1.0 */
/* Commented by Albert 20110812 */
/* According to the WFD Specification, the beacon frame should contain 4 WFD attributes */
/* 1. WFD Device Information */
/* 2. Associated BSSID */
/* 3. Coupled Sink Information */
/* WFD Device Information ATTR */
/* Type: */
wfdie[wfdielen++] = WFD_ATTR_DEVICE_INFO;
/* Length: */
/* Note: In the WFD specification, the size of length field is 2. */
RTW_PUT_BE16(wfdie + wfdielen, 0x0006);
wfdielen += 2;
/* Value1: */
/* WFD device information */
if (P2P_ROLE_GO == pwdinfo->role) {
if (is_any_client_associated(pwdinfo->padapter)) {
/* WFD primary sink + WiFi Direct mode + WSD (WFD Service Discovery) */
val16 = pwfd_info->wfd_device_type | WFD_DEVINFO_WSD;
RTW_PUT_BE16(wfdie + wfdielen, val16);
} else {
/* WFD primary sink + available for WFD session + WiFi Direct mode + WSD (WFD Service Discovery) */
val16 = pwfd_info->wfd_device_type | WFD_DEVINFO_SESSION_AVAIL | WFD_DEVINFO_WSD;
RTW_PUT_BE16(wfdie + wfdielen, val16);
}
} else {
/* WFD primary sink + available for WFD session + WiFi Direct mode + WSD ( WFD Service Discovery ) */
val16 = pwfd_info->wfd_device_type | WFD_DEVINFO_SESSION_AVAIL | WFD_DEVINFO_WSD;
RTW_PUT_BE16(wfdie + wfdielen, val16);
}
wfdielen += 2;
/* Value2: */
/* Session Management Control Port */
/* Default TCP port for RTSP messages is 554 */
RTW_PUT_BE16(wfdie + wfdielen, pwfd_info->rtsp_ctrlport);
wfdielen += 2;
/* Value3: */
/* WFD Device Maximum Throughput */
/* 300Mbps is the maximum throughput */
RTW_PUT_BE16(wfdie + wfdielen, 300);
wfdielen += 2;
/* Associated BSSID ATTR */
/* Type: */
wfdie[wfdielen++] = WFD_ATTR_ASSOC_BSSID;
/* Length: */
/* Note: In the WFD specification, the size of length field is 2. */
RTW_PUT_BE16(wfdie + wfdielen, 0x0006);
wfdielen += 2;
/* Value: */
/* Associated BSSID */
if (check_fwstate(pmlmepriv, WIFI_ASOC_STATE) == _TRUE)
_rtw_memcpy(wfdie + wfdielen, &pmlmepriv->assoc_bssid[0], ETH_ALEN);
else
_rtw_memset(wfdie + wfdielen, 0x00, ETH_ALEN);
wfdielen += ETH_ALEN;
/* Coupled Sink Information ATTR */
/* Type: */
wfdie[wfdielen++] = WFD_ATTR_COUPLED_SINK_INFO;
/* Length: */
/* Note: In the WFD specification, the size of length field is 2. */
RTW_PUT_BE16(wfdie + wfdielen, 0x0007);
wfdielen += 2;
/* Value: */
/* Coupled Sink Status bitmap */
/* Not coupled/available for Coupling */
wfdie[wfdielen++] = 0;
/* MAC Addr. */
wfdie[wfdielen++] = 0;
wfdie[wfdielen++] = 0;
wfdie[wfdielen++] = 0;
wfdie[wfdielen++] = 0;
wfdie[wfdielen++] = 0;
wfdie[wfdielen++] = 0;
rtw_set_ie(pbuf, _VENDOR_SPECIFIC_IE_, wfdielen, (unsigned char *) wfdie, &len);
exit:
return len;
}
u32 build_probe_req_wfd_ie(struct wifidirect_info *pwdinfo, u8 *pbuf)
{
u8 wfdie[MAX_WFD_IE_LEN] = { 0x00 };
u16 val16 = 0;
u32 len = 0, wfdielen = 0;
_adapter *padapter = pwdinfo->padapter;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct wifi_display_info *pwfd_info = padapter->wdinfo.wfd_info;
if (!hal_chk_wl_func(padapter, WL_FUNC_MIRACAST))
goto exit;
/* WFD OUI */
wfdielen = 0;
wfdie[wfdielen++] = 0x50;
wfdie[wfdielen++] = 0x6F;
wfdie[wfdielen++] = 0x9A;
wfdie[wfdielen++] = 0x0A; /* WFA WFD v1.0 */
/* Commented by Albert 20110812 */
/* According to the WFD Specification, the probe request frame should contain 4 WFD attributes */
/* 1. WFD Device Information */
/* 2. Associated BSSID */
/* 3. Coupled Sink Information */
/* WFD Device Information ATTR */
/* Type: */
wfdie[wfdielen++] = WFD_ATTR_DEVICE_INFO;
/* Length: */
/* Note: In the WFD specification, the size of length field is 2. */
RTW_PUT_BE16(wfdie + wfdielen, 0x0006);
wfdielen += 2;
/* Value1: */
/* WFD device information */
if (1 == pwdinfo->wfd_tdls_enable) {
/* WFD primary sink + available for WFD session + WiFi TDLS mode + WSC ( WFD Service Discovery ) */
val16 = pwfd_info->wfd_device_type |
WFD_DEVINFO_SESSION_AVAIL |
WFD_DEVINFO_WSD |
WFD_DEVINFO_PC_TDLS;
RTW_PUT_BE16(wfdie + wfdielen, val16);
} else {
/* WFD primary sink + available for WFD session + WiFi Direct mode + WSC ( WFD Service Discovery ) */
val16 = pwfd_info->wfd_device_type |
WFD_DEVINFO_SESSION_AVAIL |
WFD_DEVINFO_WSD;
RTW_PUT_BE16(wfdie + wfdielen, val16);
}
wfdielen += 2;
/* Value2: */
/* Session Management Control Port */
/* Default TCP port for RTSP messages is 554 */
RTW_PUT_BE16(wfdie + wfdielen, pwfd_info->rtsp_ctrlport);
wfdielen += 2;
/* Value3: */
/* WFD Device Maximum Throughput */
/* 300Mbps is the maximum throughput */
RTW_PUT_BE16(wfdie + wfdielen, 300);
wfdielen += 2;
/* Associated BSSID ATTR */
/* Type: */
wfdie[wfdielen++] = WFD_ATTR_ASSOC_BSSID;
/* Length: */
/* Note: In the WFD specification, the size of length field is 2. */
RTW_PUT_BE16(wfdie + wfdielen, 0x0006);
wfdielen += 2;
/* Value: */
/* Associated BSSID */
if (check_fwstate(pmlmepriv, WIFI_ASOC_STATE) == _TRUE)
_rtw_memcpy(wfdie + wfdielen, &pmlmepriv->assoc_bssid[0], ETH_ALEN);
else
_rtw_memset(wfdie + wfdielen, 0x00, ETH_ALEN);
wfdielen += ETH_ALEN;
/* Coupled Sink Information ATTR */
/* Type: */
wfdie[wfdielen++] = WFD_ATTR_COUPLED_SINK_INFO;
/* Length: */
/* Note: In the WFD specification, the size of length field is 2. */
RTW_PUT_BE16(wfdie + wfdielen, 0x0007);
wfdielen += 2;
/* Value: */
/* Coupled Sink Status bitmap */
/* Not coupled/available for Coupling */
wfdie[wfdielen++] = 0;
/* MAC Addr. */
wfdie[wfdielen++] = 0;
wfdie[wfdielen++] = 0;
wfdie[wfdielen++] = 0;
wfdie[wfdielen++] = 0;
wfdie[wfdielen++] = 0;
wfdie[wfdielen++] = 0;
rtw_set_ie(pbuf, _VENDOR_SPECIFIC_IE_, wfdielen, (unsigned char *) wfdie, &len);
exit:
return len;
}
u32 build_probe_resp_wfd_ie(struct wifidirect_info *pwdinfo, u8 *pbuf, u8 tunneled)
{
u8 wfdie[MAX_WFD_IE_LEN] = { 0x00 };
u32 len = 0, wfdielen = 0;
_adapter *padapter = pwdinfo->padapter;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct wifi_display_info *pwfd_info = padapter->wdinfo.wfd_info;
u16 v16 = 0;
if (!hal_chk_wl_func(padapter, WL_FUNC_MIRACAST))
goto exit;
/* WFD OUI */
wfdielen = 0;
wfdie[wfdielen++] = 0x50;
wfdie[wfdielen++] = 0x6F;
wfdie[wfdielen++] = 0x9A;
wfdie[wfdielen++] = 0x0A; /* WFA WFD v1.0 */
/* Commented by Albert 20110812 */
/* According to the WFD Specification, the probe response frame should contain 4 WFD attributes */
/* 1. WFD Device Information */
/* 2. Associated BSSID */
/* 3. Coupled Sink Information */
/* 4. WFD Session Information */
/* WFD Device Information ATTR */
/* Type: */
wfdie[wfdielen++] = WFD_ATTR_DEVICE_INFO;
/* Length: */
/* Note: In the WFD specification, the size of length field is 2. */
RTW_PUT_BE16(wfdie + wfdielen, 0x0006);
wfdielen += 2;
/* Value1: */
/* WFD device information */
/* WFD primary sink + available for WFD session + WiFi Direct mode */
if (_TRUE == pwdinfo->session_available) {
if (P2P_ROLE_GO == pwdinfo->role) {
if (is_any_client_associated(pwdinfo->padapter)) {
if (pwdinfo->wfd_tdls_enable) {
/* TDLS mode + WSD ( WFD Service Discovery ) */
v16 = pwfd_info->wfd_device_type | WFD_DEVINFO_WSD | WFD_DEVINFO_PC_TDLS | WFD_DEVINFO_HDCP_SUPPORT;
RTW_PUT_BE16(wfdie + wfdielen, v16);
} else {
/* WiFi Direct mode + WSD ( WFD Service Discovery ) */
v16 = pwfd_info->wfd_device_type | WFD_DEVINFO_WSD | WFD_DEVINFO_HDCP_SUPPORT;
RTW_PUT_BE16(wfdie + wfdielen, v16);
}
} else {
if (pwdinfo->wfd_tdls_enable) {
/* available for WFD session + TDLS mode + WSD ( WFD Service Discovery ) */
v16 = pwfd_info->wfd_device_type | WFD_DEVINFO_SESSION_AVAIL | WFD_DEVINFO_WSD | WFD_DEVINFO_PC_TDLS | WFD_DEVINFO_HDCP_SUPPORT;
RTW_PUT_BE16(wfdie + wfdielen, v16);
} else {
/* available for WFD session + WiFi Direct mode + WSD ( WFD Service Discovery ) */
v16 = pwfd_info->wfd_device_type | WFD_DEVINFO_SESSION_AVAIL | WFD_DEVINFO_WSD | WFD_DEVINFO_HDCP_SUPPORT;
RTW_PUT_BE16(wfdie + wfdielen, v16);
}
}
} else {
if (pwdinfo->wfd_tdls_enable) {
/* available for WFD session + WiFi Direct mode + WSD ( WFD Service Discovery ) */
v16 = pwfd_info->wfd_device_type | WFD_DEVINFO_SESSION_AVAIL | WFD_DEVINFO_WSD | WFD_DEVINFO_PC_TDLS | WFD_DEVINFO_HDCP_SUPPORT;
RTW_PUT_BE16(wfdie + wfdielen, v16);
} else {
/* available for WFD session + WiFi Direct mode + WSD ( WFD Service Discovery ) */
v16 = pwfd_info->wfd_device_type | WFD_DEVINFO_SESSION_AVAIL | WFD_DEVINFO_WSD | WFD_DEVINFO_HDCP_SUPPORT;
RTW_PUT_BE16(wfdie + wfdielen, v16);
}
}
} else {
if (pwdinfo->wfd_tdls_enable) {
v16 = pwfd_info->wfd_device_type | WFD_DEVINFO_WSD | WFD_DEVINFO_PC_TDLS | WFD_DEVINFO_HDCP_SUPPORT;
RTW_PUT_BE16(wfdie + wfdielen, v16);
} else {
v16 = pwfd_info->wfd_device_type | WFD_DEVINFO_WSD | WFD_DEVINFO_HDCP_SUPPORT;
RTW_PUT_BE16(wfdie + wfdielen, v16);
}
}
wfdielen += 2;
/* Value2: */
/* Session Management Control Port */
/* Default TCP port for RTSP messages is 554 */
RTW_PUT_BE16(wfdie + wfdielen, pwfd_info->rtsp_ctrlport);
wfdielen += 2;
/* Value3: */
/* WFD Device Maximum Throughput */
/* 300Mbps is the maximum throughput */
RTW_PUT_BE16(wfdie + wfdielen, 300);
wfdielen += 2;
/* Associated BSSID ATTR */
/* Type: */
wfdie[wfdielen++] = WFD_ATTR_ASSOC_BSSID;
/* Length: */
/* Note: In the WFD specification, the size of length field is 2. */
RTW_PUT_BE16(wfdie + wfdielen, 0x0006);
wfdielen += 2;
/* Value: */
/* Associated BSSID */
if (check_fwstate(pmlmepriv, WIFI_ASOC_STATE) == _TRUE)
_rtw_memcpy(wfdie + wfdielen, &pmlmepriv->assoc_bssid[0], ETH_ALEN);
else
_rtw_memset(wfdie + wfdielen, 0x00, ETH_ALEN);
wfdielen += ETH_ALEN;
/* Coupled Sink Information ATTR */
/* Type: */
wfdie[wfdielen++] = WFD_ATTR_COUPLED_SINK_INFO;
/* Length: */
/* Note: In the WFD specification, the size of length field is 2. */
RTW_PUT_BE16(wfdie + wfdielen, 0x0007);
wfdielen += 2;
/* Value: */
/* Coupled Sink Status bitmap */
/* Not coupled/available for Coupling */
wfdie[wfdielen++] = 0;
/* MAC Addr. */
wfdie[wfdielen++] = 0;
wfdie[wfdielen++] = 0;
wfdie[wfdielen++] = 0;
wfdie[wfdielen++] = 0;
wfdie[wfdielen++] = 0;
wfdie[wfdielen++] = 0;
if (rtw_p2p_chk_role(pwdinfo, P2P_ROLE_GO)) {
/* WFD Session Information ATTR */
/* Type: */
wfdie[wfdielen++] = WFD_ATTR_SESSION_INFO;
/* Length: */
/* Note: In the WFD specification, the size of length field is 2. */
RTW_PUT_BE16(wfdie + wfdielen, 0x0000);
wfdielen += 2;
/* Todo: to add the list of WFD device info descriptor in WFD group. */
}
#ifdef CONFIG_CONCURRENT_MODE
#ifdef CONFIG_TDLS
{
int i;
_adapter *iface = NULL;
struct dvobj_priv *dvobj = adapter_to_dvobj(padapter);
for (i = 0; i < dvobj->iface_nums; i++) {
iface = dvobj->padapters[i];
if ((iface) && rtw_is_adapter_up(iface)) {
if (iface == padapter)
continue;
if ((tunneled == 0) && (iface->wdinfo.wfd_tdls_enable == 1)) {
/* Alternative MAC Address ATTR
Type: */
wfdie[wfdielen++] = WFD_ATTR_ALTER_MAC;
/* Length:
Note: In the WFD specification, the size of length field is 2.*/
RTW_PUT_BE16(wfdie + wfdielen, ETH_ALEN);
wfdielen += 2;
/* Value:
Alternative MAC Address*/
_rtw_memcpy(wfdie + wfdielen, adapter_mac_addr(iface), ETH_ALEN);
wfdielen += ETH_ALEN;
}
}
}
}
#endif /* CONFIG_TDLS*/
#endif /* CONFIG_CONCURRENT_MODE */
pbuf = rtw_set_ie(pbuf, _VENDOR_SPECIFIC_IE_, wfdielen, (unsigned char *) wfdie, &len);
exit:
return len;
}
u32 build_assoc_req_wfd_ie(struct wifidirect_info *pwdinfo, u8 *pbuf)
{
u8 wfdie[MAX_WFD_IE_LEN] = { 0x00 };
u16 val16 = 0;
u32 len = 0, wfdielen = 0;
_adapter *padapter = NULL;
struct mlme_priv *pmlmepriv = NULL;
struct wifi_display_info *pwfd_info = NULL;
padapter = pwdinfo->padapter;
pmlmepriv = &padapter->mlmepriv;
pwfd_info = padapter->wdinfo.wfd_info;
if (!hal_chk_wl_func(padapter, WL_FUNC_MIRACAST))
goto exit;
if (rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE) || rtw_p2p_chk_state(pwdinfo, P2P_STATE_IDLE))
goto exit;
/* WFD OUI */
wfdielen = 0;
wfdie[wfdielen++] = 0x50;
wfdie[wfdielen++] = 0x6F;
wfdie[wfdielen++] = 0x9A;
wfdie[wfdielen++] = 0x0A; /* WFA WFD v1.0 */
/* Commented by Albert 20110812 */
/* According to the WFD Specification, the probe request frame should contain 4 WFD attributes */
/* 1. WFD Device Information */
/* 2. Associated BSSID */
/* 3. Coupled Sink Information */
/* WFD Device Information ATTR */
/* Type: */
wfdie[wfdielen++] = WFD_ATTR_DEVICE_INFO;
/* Length: */
/* Note: In the WFD specification, the size of length field is 2. */
RTW_PUT_BE16(wfdie + wfdielen, 0x0006);
wfdielen += 2;
/* Value1: */
/* WFD device information */
/* WFD primary sink + available for WFD session + WiFi Direct mode + WSD ( WFD Service Discovery ) */
val16 = pwfd_info->wfd_device_type | WFD_DEVINFO_SESSION_AVAIL | WFD_DEVINFO_WSD;
RTW_PUT_BE16(wfdie + wfdielen, val16);
wfdielen += 2;
/* Value2: */
/* Session Management Control Port */
/* Default TCP port for RTSP messages is 554 */
RTW_PUT_BE16(wfdie + wfdielen, pwfd_info->rtsp_ctrlport);
wfdielen += 2;
/* Value3: */
/* WFD Device Maximum Throughput */
/* 300Mbps is the maximum throughput */
RTW_PUT_BE16(wfdie + wfdielen, 300);
wfdielen += 2;
/* Associated BSSID ATTR */
/* Type: */