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rtl8188eu/core/rtw_p2p.c
Larry Finger 19db43ecbd rtl8188eu: Backport kernel version 
This driver was added to the kernel with version 3.12. The changes in that
version are now brought back to the GitHub repo. Essentually all of the code
is updated.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
2013-10-19 12:45:47 -05:00

2064 lines
64 KiB
C
Raw Blame History

/******************************************************************************
*
* Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
*
* 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.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
*
******************************************************************************/
#define _RTW_P2P_C_
#include <drv_types.h>
#include <rtw_p2p.h>
#include <wifi.h>
#ifdef CONFIG_88EU_P2P
static 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;
}
static u32 go_add_group_info_attr(struct wifidirect_info *pwdinfo, u8 *pbuf)
{
unsigned long irqL;
struct list_head *phead, *plist;
u32 len = 0;
u16 attr_len = 0;
u8 tmplen, *pdata_attr, *pstart, *pcur;
struct sta_info *psta = NULL;
struct adapter *padapter = pwdinfo->padapter;
struct sta_priv *pstapriv = &padapter->stapriv;
DBG_88E("%s\n", __func__);
pdata_attr = rtw_zmalloc(MAX_P2P_IE_LEN);
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 */
memcpy(pcur, psta->dev_addr, ETH_ALEN);
pcur += ETH_ALEN;
/* P2P interface address */
memcpy(pcur, psta->hwaddr, 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;
memcpy(pcur, psta->primary_dev_type, 8);
pcur += 8;
*pcur = psta->num_of_secdev_type;
pcur++;
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;
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);
kfree(pdata_attr);
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;
__le16 *fctrl;
struct 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 */
__be32 p2poui = cpu_to_be32(P2POUI);
u8 oui_subtype = P2P_GO_DISC_REQUEST;
u8 dialogToken = 0;
DBG_88E("[%s]\n", __func__);
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;
memcpy(pwlanhdr->addr1, da, ETH_ALEN);
memcpy(pwlanhdr->addr2, pwdinfo->interface_addr, ETH_ALEN);
memcpy(pwlanhdr->addr3, pwdinfo->interface_addr, ETH_ALEN);
SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq);
pmlmeext->mgnt_seq++;
SetFrameSubType(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;
__le16 *fctrl;
struct 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;
__be32 p2poui = cpu_to_be32(P2POUI);
u8 oui_subtype = P2P_DEVDISC_RESP;
u8 p2pie[8] = { 0x00 };
u32 p2pielen = 0;
DBG_88E("[%s]\n", __func__);
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;
memcpy(pwlanhdr->addr1, da, ETH_ALEN);
memcpy(pwlanhdr->addr2, pwdinfo->device_addr, ETH_ALEN);
memcpy(pwlanhdr->addr3, pwdinfo->device_addr, ETH_ALEN);
SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq);
pmlmeext->mgnt_seq++;
SetFrameSubType(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)
{
struct 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. */
__be32 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 rtw_ieee80211_hdr *pwlanhdr;
__le16 *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;
memcpy(pwlanhdr->addr1, raddr, ETH_ALEN);
memcpy(pwlanhdr->addr2, myid(&(padapter->eeprompriv)), ETH_ALEN);
memcpy(pwlanhdr->addr3, myid(&(padapter->eeprompriv)), ETH_ALEN);
SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq);
pmlmeext->mgnt_seq++;
SetFrameSubType(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 */
RTW_PUT_BE32(wpsie, WPSOUI);
wpsielen += 4;
/* Config Method */
/* Type: */
RTW_PUT_BE16(wpsie + wpsielen, WPS_ATTR_CONF_METHOD);
wpsielen += 2;
/* Length: */
RTW_PUT_BE16(wpsie + wpsielen, 0x0002);
wpsielen += 2;
/* Value: */
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_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;
__le16 *fctrl;
struct 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 */
__be32 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_88E("[%s]\n", __func__);
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;
memcpy(pwlanhdr->addr1, da, ETH_ALEN);
memcpy(pwlanhdr->addr2, pwdinfo->interface_addr, ETH_ALEN);
memcpy(pwlanhdr->addr3, pwdinfo->interface_addr, ETH_ALEN);
SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq);
pmlmeext->mgnt_seq++;
SetFrameSubType(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;
__le16 le_tmp;
/* 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);
le_tmp = cpu_to_le16(capability);
p2pielen += rtw_set_p2p_attr_content(&p2pie[p2pielen], P2P_ATTR_CAPABILITY, 2, (u8 *)&le_tmp);
/* 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: */
pbuf = rtw_set_ie(pbuf, _VENDOR_SPECIFIC_IE_, p2pielen, (unsigned char *)p2pie, &len);
return len;
}
u32 build_probe_resp_p2p_ie(struct wifidirect_info *pwdinfo, u8 *pbuf)
{
u8 p2pie[MAX_P2P_IE_LEN] = { 0x00 };
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 */
/* Commented by Albert 20100907 */
/* According to the P2P Specification, the probe response frame should contain 5 P2P attributes */
/* 1. P2P Capability */
/* 2. Extended Listen Timing */
/* 3. Notice of Absence (NOA) (Only GO needs this) */
/* 4. Device Info */
/* 5. Group Info (Only GO need this) */
/* P2P Capability ATTR */
/* Type: */
p2pie[p2pielen++] = P2P_ATTR_CAPABILITY;
/* Length: */
/* u16*) (p2pie + p2pielen) = cpu_to_le16(0x0002); */
RTW_PUT_LE16(p2pie + p2pielen, 0x0002);
p2pielen += 2;
/* Value: */
/* Device Capability Bitmap, 1 byte */
p2pie[p2pielen++] = DMP_P2P_DEVCAP_SUPPORT;
/* Group Capability Bitmap, 1 byte */
if (rtw_p2p_chk_role(pwdinfo, P2P_ROLE_GO)) {
p2pie[p2pielen] = (P2P_GRPCAP_GO | P2P_GRPCAP_INTRABSS);
if (rtw_p2p_chk_state(pwdinfo, P2P_STATE_PROVISIONING_ING))
p2pie[p2pielen] |= P2P_GRPCAP_GROUP_FORMATION;
p2pielen++;
} else if (rtw_p2p_chk_role(pwdinfo, P2P_ROLE_DEVICE)) {
/* Group Capability Bitmap, 1 byte */
if (pwdinfo->persistent_supported)
p2pie[p2pielen++] = P2P_GRPCAP_PERSISTENT_GROUP | DMP_P2P_GRPCAP_SUPPORT;
else
p2pie[p2pielen++] = DMP_P2P_GRPCAP_SUPPORT;
}
/* Extended Listen Timing ATTR */
/* Type: */
p2pie[p2pielen++] = P2P_ATTR_EX_LISTEN_TIMING;
/* Length: */
/* u16*) (p2pie + p2pielen) = cpu_to_le16(0x0004); */
RTW_PUT_LE16(p2pie + p2pielen, 0x0004);
p2pielen += 2;
/* Value: */
/* Availability Period */
/* u16*) (p2pie + p2pielen) = cpu_to_le16(0xFFFF); */
RTW_PUT_LE16(p2pie + p2pielen, 0xFFFF);
p2pielen += 2;
/* Availability Interval */
/* u16*) (p2pie + p2pielen) = cpu_to_le16(0xFFFF); */
RTW_PUT_LE16(p2pie + p2pielen, 0xFFFF);
p2pielen += 2;
/* Notice of Absence ATTR */
/* Type: */
/* Length: */
/* Value: */
/* Device Info ATTR */
/* Type: */
p2pie[p2pielen++] = P2P_ATTR_DEVICE_INFO;
/* Length: */
/* 21 -> P2P Device Address (6bytes) + Config Methods (2bytes) + Primary Device Type (8bytes) */
/* + NumofSecondDevType (1byte) + WPS Device Name ID field (2bytes) + WPS Device Name Len field (2bytes) */
/* u16*) (p2pie + p2pielen) = cpu_to_le16(21 + pwdinfo->device_name_len); */
RTW_PUT_LE16(p2pie + p2pielen, 21 + pwdinfo->device_name_len);
p2pielen += 2;
/* Value: */
/* P2P Device Address */
memcpy(p2pie + p2pielen, pwdinfo->device_addr, ETH_ALEN);
p2pielen += ETH_ALEN;
/* Config Method */
/* This field should be big endian. Noted by P2P specification. */
/* u16*) (p2pie + p2pielen) = cpu_to_be16(pwdinfo->supported_wps_cm); */
RTW_PUT_BE16(p2pie + p2pielen, pwdinfo->supported_wps_cm);
p2pielen += 2;
/* Primary Device Type */
/* Category ID */
/* u16*) (p2pie + p2pielen) = cpu_to_be16(WPS_PDT_CID_MULIT_MEDIA); */
RTW_PUT_BE16(p2pie + p2pielen, WPS_PDT_CID_MULIT_MEDIA);
p2pielen += 2;
/* OUI */
/* u32*) (p2pie + p2pielen) = cpu_to_be32(WPSOUI); */
RTW_PUT_BE32(p2pie + p2pielen, WPSOUI);
p2pielen += 4;
/* Sub Category ID */
/* u16*) (p2pie + p2pielen) = cpu_to_be16(WPS_PDT_SCID_MEDIA_SERVER); */
RTW_PUT_BE16(p2pie + p2pielen, WPS_PDT_SCID_MEDIA_SERVER);
p2pielen += 2;
/* Number of Secondary Device Types */
p2pie[p2pielen++] = 0x00; /* No Secondary Device Type List */
/* Device Name */
/* Type: */
/* u16*) (p2pie + p2pielen) = cpu_to_be16(WPS_ATTR_DEVICE_NAME); */
RTW_PUT_BE16(p2pie + p2pielen, WPS_ATTR_DEVICE_NAME);
p2pielen += 2;
/* Length: */
/* u16*) (p2pie + p2pielen) = cpu_to_be16(pwdinfo->device_name_len); */
RTW_PUT_BE16(p2pie + p2pielen, pwdinfo->device_name_len);
p2pielen += 2;
/* Value: */
memcpy(p2pie + p2pielen, pwdinfo->device_name, pwdinfo->device_name_len);
p2pielen += pwdinfo->device_name_len;
/* Group Info ATTR */
/* Type: */
/* Length: */
/* Value: */
if (rtw_p2p_chk_role(pwdinfo, P2P_ROLE_GO))
p2pielen += go_add_group_info_attr(pwdinfo, p2pie + p2pielen);
pbuf = rtw_set_ie(pbuf, _VENDOR_SPECIFIC_IE_, p2pielen, (unsigned char *)p2pie, &len);
return len;
}
u32 build_prov_disc_request_p2p_ie(struct wifidirect_info *pwdinfo, u8 *pbuf, u8 *pssid, u8 ussidlen, u8 *pdev_raddr)
{
u8 p2pie[MAX_P2P_IE_LEN] = { 0x00 };
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 */
/* Commented by Albert 20110301 */
/* According to the P2P Specification, the provision discovery request frame should contain 3 P2P attributes */
/* 1. P2P Capability */
/* 2. Device Info */
/* 3. Group ID (When joining an operating P2P Group) */
/* P2P Capability ATTR */
/* Type: */
p2pie[p2pielen++] = P2P_ATTR_CAPABILITY;
/* Length: */
/* u16*) (p2pie + p2pielen) = cpu_to_le16(0x0002); */
RTW_PUT_LE16(p2pie + p2pielen, 0x0002);
p2pielen += 2;
/* Value: */
/* Device Capability Bitmap, 1 byte */
p2pie[p2pielen++] = DMP_P2P_DEVCAP_SUPPORT;
/* Group Capability Bitmap, 1 byte */
if (pwdinfo->persistent_supported)
p2pie[p2pielen++] = P2P_GRPCAP_PERSISTENT_GROUP | DMP_P2P_GRPCAP_SUPPORT;
else
p2pie[p2pielen++] = DMP_P2P_GRPCAP_SUPPORT;
/* Device Info ATTR */
/* Type: */
p2pie[p2pielen++] = P2P_ATTR_DEVICE_INFO;
/* Length: */
/* 21 -> P2P Device Address (6bytes) + Config Methods (2bytes) + Primary Device Type (8bytes) */
/* + NumofSecondDevType (1byte) + WPS Device Name ID field (2bytes) + WPS Device Name Len field (2bytes) */
/* u16*) (p2pie + p2pielen) = cpu_to_le16(21 + pwdinfo->device_name_len); */
RTW_PUT_LE16(p2pie + p2pielen, 21 + pwdinfo->device_name_len);
p2pielen += 2;
/* Value: */
/* P2P Device Address */
memcpy(p2pie + p2pielen, pwdinfo->device_addr, ETH_ALEN);
p2pielen += ETH_ALEN;
/* Config Method */
/* This field should be big endian. Noted by P2P specification. */
if (pwdinfo->ui_got_wps_info == P2P_GOT_WPSINFO_PBC) {
/* u16*) (p2pie + p2pielen) = cpu_to_be16(WPS_CONFIG_METHOD_PBC); */
RTW_PUT_BE16(p2pie + p2pielen, WPS_CONFIG_METHOD_PBC);
} else {
/* u16*) (p2pie + p2pielen) = cpu_to_be16(WPS_CONFIG_METHOD_DISPLAY); */
RTW_PUT_BE16(p2pie + p2pielen, WPS_CONFIG_METHOD_DISPLAY);
}
p2pielen += 2;
/* Primary Device Type */
/* Category ID */
/* u16*) (p2pie + p2pielen) = cpu_to_be16(WPS_PDT_CID_MULIT_MEDIA); */
RTW_PUT_BE16(p2pie + p2pielen, WPS_PDT_CID_MULIT_MEDIA);
p2pielen += 2;
/* OUI */
/* u32*) (p2pie + p2pielen) = cpu_to_be32(WPSOUI); */
RTW_PUT_BE32(p2pie + p2pielen, WPSOUI);
p2pielen += 4;
/* Sub Category ID */
/* u16*) (p2pie + p2pielen) = cpu_to_be16(WPS_PDT_SCID_MEDIA_SERVER); */
RTW_PUT_BE16(p2pie + p2pielen, WPS_PDT_SCID_MEDIA_SERVER);
p2pielen += 2;
/* Number of Secondary Device Types */
p2pie[p2pielen++] = 0x00; /* No Secondary Device Type List */
/* Device Name */
/* Type: */
/* u16*) (p2pie + p2pielen) = cpu_to_be16(WPS_ATTR_DEVICE_NAME); */
RTW_PUT_BE16(p2pie + p2pielen, WPS_ATTR_DEVICE_NAME);
p2pielen += 2;
/* Length: */
/* u16*) (p2pie + p2pielen) = cpu_to_be16(pwdinfo->device_name_len); */
RTW_PUT_BE16(p2pie + p2pielen, pwdinfo->device_name_len);
p2pielen += 2;
/* Value: */
memcpy(p2pie + p2pielen, pwdinfo->device_name, pwdinfo->device_name_len);
p2pielen += pwdinfo->device_name_len;
if (rtw_p2p_chk_role(pwdinfo, P2P_ROLE_CLIENT)) {
/* Added by Albert 2011/05/19 */
/* In this case, the pdev_raddr is the device address of the group owner. */
/* P2P Group ID ATTR */
/* Type: */
p2pie[p2pielen++] = P2P_ATTR_GROUP_ID;
/* Length: */
/* u16*) (p2pie + p2pielen) = cpu_to_le16(ETH_ALEN + ussidlen); */
RTW_PUT_LE16(p2pie + p2pielen, ETH_ALEN + ussidlen);
p2pielen += 2;
/* Value: */
memcpy(p2pie + p2pielen, pdev_raddr, ETH_ALEN);
p2pielen += ETH_ALEN;
memcpy(p2pie + p2pielen, pssid, ussidlen);
p2pielen += ussidlen;
}
pbuf = rtw_set_ie(pbuf, _VENDOR_SPECIFIC_IE_, p2pielen, (unsigned char *)p2pie, &len);
return len;
}
u32 build_assoc_resp_p2p_ie(struct wifidirect_info *pwdinfo, u8 *pbuf, u8 status_code)
{
u8 p2pie[MAX_P2P_IE_LEN] = { 0x00 };
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 Association response frame should contain 2 P2P attributes */
/* 1. Status */
/* 2. Extended Listen Timing (optional) */
/* Status ATTR */
p2pielen += rtw_set_p2p_attr_content(&p2pie[p2pielen], P2P_ATTR_STATUS, 1, &status_code);
/* Extended Listen Timing ATTR */
/* Type: */
/* Length: */
/* Value: */
pbuf = rtw_set_ie(pbuf, _VENDOR_SPECIFIC_IE_, p2pielen, (unsigned char *)p2pie, &len);
return len;
}
u32 build_deauth_p2p_ie(struct wifidirect_info *pwdinfo, u8 *pbuf)
{
u32 len = 0;
return len;
}
u32 process_probe_req_p2p_ie(struct wifidirect_info *pwdinfo, u8 *pframe, uint len)
{
u8 *p;
u32 ret = false;
u8 *p2pie;
u32 p2pielen = 0;
int ssid_len = 0, rate_cnt = 0;
p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + _PROBEREQ_IE_OFFSET_, _SUPPORTEDRATES_IE_, (int *)&rate_cnt,
len - WLAN_HDR_A3_LEN - _PROBEREQ_IE_OFFSET_);
if (rate_cnt <= 4) {
int i, g_rate = 0;
for (i = 0; i < rate_cnt; i++) {
if (((*(p + 2 + i) & 0xff) != 0x02) &&
((*(p + 2 + i) & 0xff) != 0x04) &&
((*(p + 2 + i) & 0xff) != 0x0B) &&
((*(p + 2 + i) & 0xff) != 0x16))
g_rate = 1;
}
if (g_rate == 0) {
/* There is no OFDM rate included in SupportedRates IE of this probe request frame */
/* The driver should response this probe request. */
return ret;
}
} else {
/* rate_cnt > 4 means the SupportRates IE contains the OFDM rate because the count of CCK rates are 4. */
/* We should proceed the following check for this probe request. */
}
/* Added comments by Albert 20100906 */
/* There are several items we should check here. */
/* 1. This probe request frame must contain the P2P IE. (Done) */
/* 2. This probe request frame must contain the wildcard SSID. (Done) */
/* 3. Wildcard BSSID. (Todo) */
/* 4. Destination Address. (Done in mgt_dispatcher function) */
/* 5. Requested Device Type in WSC IE. (Todo) */
/* 6. Device ID attribute in P2P IE. (Todo) */
p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + _PROBEREQ_IE_OFFSET_, _SSID_IE_, (int *)&ssid_len,
len - WLAN_HDR_A3_LEN - _PROBEREQ_IE_OFFSET_);
ssid_len &= 0xff; /* Just last 1 byte is valid for ssid len of the probe request */
if (rtw_p2p_chk_role(pwdinfo, P2P_ROLE_DEVICE) || rtw_p2p_chk_role(pwdinfo, P2P_ROLE_GO)) {
p2pie = rtw_get_p2p_ie(pframe + WLAN_HDR_A3_LEN + _PROBEREQ_IE_OFFSET_ , len - WLAN_HDR_A3_LEN - _PROBEREQ_IE_OFFSET_ , NULL, &p2pielen);
if (p2pie) {
if ((p != NULL) && _rtw_memcmp((void *)(p+2), (void *)pwdinfo->p2p_wildcard_ssid , 7)) {
/* todo: */
/* Check Requested Device Type attributes in WSC IE. */
/* Check Device ID attribute in P2P IE */
ret = true;
} else if ((p != NULL) && (ssid_len == 0)) {
ret = true;
}
} else {
/* non -p2p device */
}
}
return ret;
}
u32 process_assoc_req_p2p_ie(struct wifidirect_info *pwdinfo, u8 *pframe, uint len, struct sta_info *psta)
{
u8 status_code = P2P_STATUS_SUCCESS;
u8 *pbuf, *pattr_content = NULL;
u32 attr_contentlen = 0;
u16 cap_attr = 0;
unsigned short frame_type, ie_offset = 0;
u8 *ies;
u32 ies_len;
u8 *p2p_ie;
u32 p2p_ielen = 0;
__be16 be_tmp;
__le16 le_tmp;
if (!rtw_p2p_chk_role(pwdinfo, P2P_ROLE_GO))
return P2P_STATUS_FAIL_REQUEST_UNABLE;
frame_type = GetFrameSubType(pframe);
if (frame_type == WIFI_ASSOCREQ)
ie_offset = _ASOCREQ_IE_OFFSET_;
else /* WIFI_REASSOCREQ */
ie_offset = _REASOCREQ_IE_OFFSET_;
ies = pframe + WLAN_HDR_A3_LEN + ie_offset;
ies_len = len - WLAN_HDR_A3_LEN - ie_offset;
p2p_ie = rtw_get_p2p_ie(ies , ies_len , NULL, &p2p_ielen);
if (!p2p_ie) {
DBG_88E("[%s] P2P IE not Found!!\n", __func__);
status_code = P2P_STATUS_FAIL_INVALID_PARAM;
} else {
DBG_88E("[%s] P2P IE Found!!\n", __func__);
}
while (p2p_ie) {
/* Check P2P Capability ATTR */
if (rtw_get_p2p_attr_content(p2p_ie, p2p_ielen, P2P_ATTR_CAPABILITY, (u8 *)&le_tmp, (uint *)&attr_contentlen)) {
DBG_88E("[%s] Got P2P Capability Attr!!\n", __func__);
cap_attr = le16_to_cpu(le_tmp);
psta->dev_cap = cap_attr&0xff;
}
/* Check Extended Listen Timing ATTR */
/* Check P2P Device Info ATTR */
if (rtw_get_p2p_attr_content(p2p_ie, p2p_ielen, P2P_ATTR_DEVICE_INFO, NULL, (uint *)&attr_contentlen)) {
DBG_88E("[%s] Got P2P DEVICE INFO Attr!!\n", __func__);
pattr_content = rtw_zmalloc(attr_contentlen);
pbuf = pattr_content;
if (pattr_content) {
u8 num_of_secdev_type;
u16 dev_name_len;
rtw_get_p2p_attr_content(p2p_ie, p2p_ielen, P2P_ATTR_DEVICE_INFO , pattr_content, (uint *)&attr_contentlen);
memcpy(psta->dev_addr, pattr_content, ETH_ALEN);/* P2P Device Address */
pattr_content += ETH_ALEN;
memcpy(&be_tmp, pattr_content, 2);/* Config Methods */
psta->config_methods = be16_to_cpu(be_tmp);
pattr_content += 2;
memcpy(psta->primary_dev_type, pattr_content, 8);
pattr_content += 8;
num_of_secdev_type = *pattr_content;
pattr_content += 1;
if (num_of_secdev_type == 0) {
psta->num_of_secdev_type = 0;
} else {
u32 len;
psta->num_of_secdev_type = num_of_secdev_type;
len = (sizeof(psta->secdev_types_list) < (num_of_secdev_type*8)) ?
(sizeof(psta->secdev_types_list)) : (num_of_secdev_type*8);
memcpy(psta->secdev_types_list, pattr_content, len);
pattr_content += (num_of_secdev_type*8);
}
psta->dev_name_len = 0;
if (WPS_ATTR_DEVICE_NAME == be16_to_cpu(*(__be16 *)pattr_content)) {
dev_name_len = be16_to_cpu(*(__be16 *)(pattr_content+2));
psta->dev_name_len = (sizeof(psta->dev_name) < dev_name_len) ? sizeof(psta->dev_name) : dev_name_len;
memcpy(psta->dev_name, pattr_content+4, psta->dev_name_len);
}
kfree(pbuf);
}
}
/* Get the next P2P IE */
p2p_ie = rtw_get_p2p_ie(p2p_ie+p2p_ielen, ies_len - (p2p_ie - ies + p2p_ielen), NULL, &p2p_ielen);
}
return status_code;
}
u32 process_p2p_devdisc_req(struct wifidirect_info *pwdinfo, u8 *pframe, uint len)
{
u8 *frame_body;
u8 status, dialogToken;
struct sta_info *psta = NULL;
struct adapter *padapter = pwdinfo->padapter;
struct sta_priv *pstapriv = &padapter->stapriv;
u8 *p2p_ie;
u32 p2p_ielen = 0;
frame_body = (unsigned char *)(pframe + sizeof(struct rtw_ieee80211_hdr_3addr));
dialogToken = frame_body[7];
status = P2P_STATUS_FAIL_UNKNOWN_P2PGROUP;
p2p_ie = rtw_get_p2p_ie(frame_body + _PUBLIC_ACTION_IE_OFFSET_, len - _PUBLIC_ACTION_IE_OFFSET_, NULL, &p2p_ielen);
if (p2p_ie) {
u8 groupid[38] = { 0x00 };
u8 dev_addr[ETH_ALEN] = { 0x00 };
u32 attr_contentlen = 0;
if (rtw_get_p2p_attr_content(p2p_ie, p2p_ielen, P2P_ATTR_GROUP_ID, groupid, &attr_contentlen)) {
if (_rtw_memcmp(pwdinfo->device_addr, groupid, ETH_ALEN) &&
_rtw_memcmp(pwdinfo->p2p_group_ssid, groupid+ETH_ALEN, pwdinfo->p2p_group_ssid_len)) {
attr_contentlen = 0;
if (rtw_get_p2p_attr_content(p2p_ie, p2p_ielen, P2P_ATTR_DEVICE_ID, dev_addr, &attr_contentlen)) {
unsigned long irqL;
struct list_head *phead, *plist;
_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 && (psta->dev_cap&P2P_DEVCAP_CLIENT_DISCOVERABILITY) &&
_rtw_memcmp(psta->dev_addr, dev_addr, ETH_ALEN)) {
/* issue GO Discoverability Request */
issue_group_disc_req(pwdinfo, psta->hwaddr);
status = P2P_STATUS_SUCCESS;
break;
} else {
status = P2P_STATUS_FAIL_INFO_UNAVAILABLE;
}
}
_exit_critical_bh(&pstapriv->asoc_list_lock, &irqL);
} else {
status = P2P_STATUS_FAIL_INVALID_PARAM;
}
} else {
status = P2P_STATUS_FAIL_INVALID_PARAM;
}
}
}
/* issue Device Discoverability Response */
issue_p2p_devdisc_resp(pwdinfo, GetAddr2Ptr(pframe), status, dialogToken);
return (status == P2P_STATUS_SUCCESS) ? true : false;
}
u32 process_p2p_devdisc_resp(struct wifidirect_info *pwdinfo, u8 *pframe, uint len)
{
return true;
}
u8 process_p2p_provdisc_req(struct wifidirect_info *pwdinfo, u8 *pframe, uint len)
{
u8 *frame_body;
u8 *wpsie;
uint wps_ielen = 0, attr_contentlen = 0;
u16 uconfig_method = 0;
__be16 be_tmp;
frame_body = (pframe + sizeof(struct rtw_ieee80211_hdr_3addr));
wpsie = rtw_get_wps_ie(frame_body + _PUBLIC_ACTION_IE_OFFSET_, len - _PUBLIC_ACTION_IE_OFFSET_, NULL, &wps_ielen);
if (wpsie) {
if (rtw_get_wps_attr_content(wpsie, wps_ielen, WPS_ATTR_CONF_METHOD, (u8 *)&be_tmp, &attr_contentlen)) {
uconfig_method = be16_to_cpu(be_tmp);
switch (uconfig_method) {
case WPS_CM_DISPLYA:
memcpy(pwdinfo->rx_prov_disc_info.strconfig_method_desc_of_prov_disc_req, "dis", 3);
break;
case WPS_CM_LABEL:
memcpy(pwdinfo->rx_prov_disc_info.strconfig_method_desc_of_prov_disc_req, "lab", 3);
break;
case WPS_CM_PUSH_BUTTON:
memcpy(pwdinfo->rx_prov_disc_info.strconfig_method_desc_of_prov_disc_req, "pbc", 3);
break;
case WPS_CM_KEYPAD:
memcpy(pwdinfo->rx_prov_disc_info.strconfig_method_desc_of_prov_disc_req, "pad", 3);
break;
}
issue_p2p_provision_resp(pwdinfo, GetAddr2Ptr(pframe), frame_body, uconfig_method);
}
}
DBG_88E("[%s] config method = %s\n", __func__, pwdinfo->rx_prov_disc_info.strconfig_method_desc_of_prov_disc_req);
return true;
}
u8 process_p2p_provdisc_resp(struct wifidirect_info *pwdinfo, u8 *pframe)
{
return true;
}
static u8 rtw_p2p_get_peer_ch_list(struct wifidirect_info *pwdinfo, u8 *ch_content, u8 ch_cnt, u8 *peer_ch_list)
{
u8 i = 0, j = 0;
u8 temp = 0;
u8 ch_no = 0;
ch_content += 3;
ch_cnt -= 3;
while (ch_cnt > 0) {
ch_content += 1;
ch_cnt -= 1;
temp = *ch_content;
for (i = 0 ; i < temp ; i++, j++)
peer_ch_list[j] = *(ch_content + 1 + i);
ch_content += (temp + 1);
ch_cnt -= (temp + 1);
ch_no += temp ;
}
return ch_no;
}
static u8 rtw_p2p_ch_inclusion(struct mlme_ext_priv *pmlmeext, u8 *peer_ch_list, u8 peer_ch_num, u8 *ch_list_inclusioned)
{
int i = 0, j = 0, temp = 0;
u8 ch_no = 0;
for (i = 0; i < peer_ch_num; i++) {
for (j = temp; j < pmlmeext->max_chan_nums; j++) {
if (*(peer_ch_list + i) == pmlmeext->channel_set[j].ChannelNum) {
ch_list_inclusioned[ch_no++] = *(peer_ch_list + i);
temp = j;
break;
}
}
}
return ch_no;
}
u8 process_p2p_group_negotation_req(struct wifidirect_info *pwdinfo, u8 *pframe, uint len)
{
struct adapter *padapter = pwdinfo->padapter;
u8 result = P2P_STATUS_SUCCESS;
u32 p2p_ielen = 0, wps_ielen = 0;
u8 *ies;
u32 ies_len;
u8 *p2p_ie;
u8 *wpsie;
u16 wps_devicepassword_id = 0x0000;
uint wps_devicepassword_id_len = 0;
__be16 be_tmp;
wpsie = rtw_get_wps_ie(pframe + _PUBLIC_ACTION_IE_OFFSET_, len - _PUBLIC_ACTION_IE_OFFSET_, NULL, &wps_ielen);
if (wpsie) {
/* Commented by Kurt 20120113 */
/* If some device wants to do p2p handshake without sending prov_disc_req */
/* We have to get peer_req_cm from here. */
if (_rtw_memcmp(pwdinfo->rx_prov_disc_info.strconfig_method_desc_of_prov_disc_req, "000", 3)) {
rtw_get_wps_attr_content(wpsie, wps_ielen, WPS_ATTR_DEVICE_PWID, (u8 *)&be_tmp, &wps_devicepassword_id_len);
wps_devicepassword_id = be16_to_cpu(be_tmp);
if (wps_devicepassword_id == WPS_DPID_USER_SPEC)
memcpy(pwdinfo->rx_prov_disc_info.strconfig_method_desc_of_prov_disc_req, "dis", 3);
else if (wps_devicepassword_id == WPS_DPID_REGISTRAR_SPEC)
memcpy(pwdinfo->rx_prov_disc_info.strconfig_method_desc_of_prov_disc_req, "pad", 3);
else
memcpy(pwdinfo->rx_prov_disc_info.strconfig_method_desc_of_prov_disc_req, "pbc", 3);
}
} else {
DBG_88E("[%s] WPS IE not Found!!\n", __func__);
result = P2P_STATUS_FAIL_INCOMPATIBLE_PARAM;
rtw_p2p_set_state(pwdinfo, P2P_STATE_GONEGO_FAIL);
return result;
}
if (pwdinfo->ui_got_wps_info == P2P_NO_WPSINFO) {
result = P2P_STATUS_FAIL_INFO_UNAVAILABLE;
rtw_p2p_set_state(pwdinfo, P2P_STATE_TX_INFOR_NOREADY);
return result;
}
ies = pframe + _PUBLIC_ACTION_IE_OFFSET_;
ies_len = len - _PUBLIC_ACTION_IE_OFFSET_;
p2p_ie = rtw_get_p2p_ie(ies, ies_len, NULL, &p2p_ielen);
if (!p2p_ie) {
DBG_88E("[%s] P2P IE not Found!!\n", __func__);
result = P2P_STATUS_FAIL_INCOMPATIBLE_PARAM;
rtw_p2p_set_state(pwdinfo, P2P_STATE_GONEGO_FAIL);
}
while (p2p_ie) {
u8 attr_content = 0x00;
u32 attr_contentlen = 0;
u8 ch_content[50] = { 0x00 };
uint ch_cnt = 0;
u8 peer_ch_list[50] = { 0x00 };
u8 peer_ch_num = 0;
u8 ch_list_inclusioned[50] = { 0x00 };
u8 ch_num_inclusioned = 0;
rtw_p2p_set_state(pwdinfo, P2P_STATE_GONEGO_ING);
if (rtw_get_p2p_attr_content(p2p_ie, p2p_ielen, P2P_ATTR_GO_INTENT , &attr_content, &attr_contentlen)) {
DBG_88E("[%s] GO Intent = %d, tie = %d\n", __func__, attr_content >> 1, attr_content & 0x01);
pwdinfo->peer_intent = attr_content; /* include both intent and tie breaker values. */
if (pwdinfo->intent == (pwdinfo->peer_intent >> 1)) {
/* Try to match the tie breaker value */
if (pwdinfo->intent == P2P_MAX_INTENT) {
rtw_p2p_set_role(pwdinfo, P2P_ROLE_DEVICE);
result = P2P_STATUS_FAIL_BOTH_GOINTENT_15;
} else {
if (attr_content & 0x01)
rtw_p2p_set_role(pwdinfo, P2P_ROLE_CLIENT);
else
rtw_p2p_set_role(pwdinfo, P2P_ROLE_GO);
}
} else if (pwdinfo->intent > (pwdinfo->peer_intent >> 1)) {
rtw_p2p_set_role(pwdinfo, P2P_ROLE_GO);
} else {
rtw_p2p_set_role(pwdinfo, P2P_ROLE_CLIENT);
}
if (rtw_p2p_chk_role(pwdinfo, P2P_ROLE_GO)) {
/* Store the group id information. */
memcpy(pwdinfo->groupid_info.go_device_addr, pwdinfo->device_addr, ETH_ALEN);
memcpy(pwdinfo->groupid_info.ssid, pwdinfo->nego_ssid, pwdinfo->nego_ssidlen);
}
}
attr_contentlen = 0;
if (rtw_get_p2p_attr_content(p2p_ie, p2p_ielen, P2P_ATTR_INTENTED_IF_ADDR, pwdinfo->p2p_peer_interface_addr, &attr_contentlen)) {
if (attr_contentlen != ETH_ALEN)
_rtw_memset(pwdinfo->p2p_peer_interface_addr, 0x00, ETH_ALEN);
}
if (rtw_get_p2p_attr_content(p2p_ie, p2p_ielen, P2P_ATTR_CH_LIST, ch_content, &ch_cnt)) {
peer_ch_num = rtw_p2p_get_peer_ch_list(pwdinfo, ch_content, ch_cnt, peer_ch_list);
ch_num_inclusioned = rtw_p2p_ch_inclusion(&padapter->mlmeextpriv, peer_ch_list, peer_ch_num, ch_list_inclusioned);
if (ch_num_inclusioned == 0) {
DBG_88E("[%s] No common channel in channel list!\n", __func__);
result = P2P_STATUS_FAIL_NO_COMMON_CH;
rtw_p2p_set_state(pwdinfo, P2P_STATE_GONEGO_FAIL);
break;
}
if (rtw_p2p_chk_role(pwdinfo, P2P_ROLE_GO)) {
if (!rtw_p2p_is_channel_list_ok(pwdinfo->operating_channel,
ch_list_inclusioned, ch_num_inclusioned)) {
u8 operatingch_info[5] = { 0x00 }, peer_operating_ch = 0;
attr_contentlen = 0;
if (rtw_get_p2p_attr_content(p2p_ie, p2p_ielen, P2P_ATTR_OPERATING_CH, operatingch_info, &attr_contentlen))
peer_operating_ch = operatingch_info[4];
if (rtw_p2p_is_channel_list_ok(peer_operating_ch,
ch_list_inclusioned, ch_num_inclusioned)) {
/**
* Change our operating channel as peer's for compatibility.
*/
pwdinfo->operating_channel = peer_operating_ch;
DBG_88E("[%s] Change op ch to %02x as peer's\n", __func__, pwdinfo->operating_channel);
} else {
/* Take first channel of ch_list_inclusioned as operating channel */
pwdinfo->operating_channel = ch_list_inclusioned[0];
DBG_88E("[%s] Change op ch to %02x\n", __func__, pwdinfo->operating_channel);
}
}
}
}
/* Get the next P2P IE */
p2p_ie = rtw_get_p2p_ie(p2p_ie+p2p_ielen, ies_len - (p2p_ie - ies + p2p_ielen), NULL, &p2p_ielen);
}
return result;
}
u8 process_p2p_group_negotation_resp(struct wifidirect_info *pwdinfo, u8 *pframe, uint len)
{
struct adapter *padapter = pwdinfo->padapter;
u8 result = P2P_STATUS_SUCCESS;
u32 p2p_ielen, wps_ielen;
u8 *ies;
u32 ies_len;
u8 *p2p_ie;
ies = pframe + _PUBLIC_ACTION_IE_OFFSET_;
ies_len = len - _PUBLIC_ACTION_IE_OFFSET_;
/* Be able to know which one is the P2P GO and which one is P2P client. */
if (rtw_get_wps_ie(ies, ies_len, NULL, &wps_ielen)) {
} else {
DBG_88E("[%s] WPS IE not Found!!\n", __func__);
result = P2P_STATUS_FAIL_INCOMPATIBLE_PARAM;
rtw_p2p_set_state(pwdinfo, P2P_STATE_GONEGO_FAIL);
}
p2p_ie = rtw_get_p2p_ie(ies, ies_len, NULL, &p2p_ielen);
if (!p2p_ie) {
rtw_p2p_set_role(pwdinfo, P2P_ROLE_DEVICE);
rtw_p2p_set_state(pwdinfo, P2P_STATE_GONEGO_FAIL);
result = P2P_STATUS_FAIL_INCOMPATIBLE_PARAM;
} else {
u8 attr_content = 0x00;
u32 attr_contentlen = 0;
u8 operatingch_info[5] = { 0x00 };
u8 groupid[38];
u8 peer_ch_list[50] = { 0x00 };
u8 peer_ch_num = 0;
u8 ch_list_inclusioned[50] = { 0x00 };
u8 ch_num_inclusioned = 0;
while (p2p_ie) { /* Found the P2P IE. */
rtw_get_p2p_attr_content(p2p_ie, p2p_ielen, P2P_ATTR_STATUS, &attr_content, &attr_contentlen);
if (attr_contentlen == 1) {
DBG_88E("[%s] Status = %d\n", __func__, attr_content);
if (attr_content == P2P_STATUS_SUCCESS) {
/* Do nothing. */
} else {
if (P2P_STATUS_FAIL_INFO_UNAVAILABLE == attr_content) {
rtw_p2p_set_state(pwdinfo, P2P_STATE_RX_INFOR_NOREADY);
} else {
rtw_p2p_set_state(pwdinfo, P2P_STATE_GONEGO_FAIL);
}
rtw_p2p_set_role(pwdinfo, P2P_ROLE_DEVICE);
result = attr_content;
break;
}
}
/* Try to get the peer's interface address */
attr_contentlen = 0;
if (rtw_get_p2p_attr_content(p2p_ie, p2p_ielen, P2P_ATTR_INTENTED_IF_ADDR, pwdinfo->p2p_peer_interface_addr, &attr_contentlen)) {
if (attr_contentlen != ETH_ALEN)
_rtw_memset(pwdinfo->p2p_peer_interface_addr, 0x00, ETH_ALEN);
}
/* Try to get the peer's intent and tie breaker value. */
attr_content = 0x00;
attr_contentlen = 0;
if (rtw_get_p2p_attr_content(p2p_ie, p2p_ielen, P2P_ATTR_GO_INTENT , &attr_content, &attr_contentlen)) {
DBG_88E("[%s] GO Intent = %d, tie = %d\n", __func__, attr_content >> 1, attr_content & 0x01);
pwdinfo->peer_intent = attr_content; /* include both intent and tie breaker values. */
if (pwdinfo->intent == (pwdinfo->peer_intent >> 1)) {
/* Try to match the tie breaker value */
if (pwdinfo->intent == P2P_MAX_INTENT) {
rtw_p2p_set_role(pwdinfo, P2P_ROLE_DEVICE);
result = P2P_STATUS_FAIL_BOTH_GOINTENT_15;
rtw_p2p_set_state(pwdinfo, P2P_STATE_GONEGO_FAIL);
} else {
rtw_p2p_set_state(pwdinfo, P2P_STATE_GONEGO_OK);
rtw_p2p_set_pre_state(pwdinfo, P2P_STATE_GONEGO_OK);
if (attr_content & 0x01)
rtw_p2p_set_role(pwdinfo, P2P_ROLE_CLIENT);
else
rtw_p2p_set_role(pwdinfo, P2P_ROLE_GO);
}
} else if (pwdinfo->intent > (pwdinfo->peer_intent >> 1)) {
rtw_p2p_set_state(pwdinfo, P2P_STATE_GONEGO_OK);
rtw_p2p_set_pre_state(pwdinfo, P2P_STATE_GONEGO_OK);
rtw_p2p_set_role(pwdinfo, P2P_ROLE_GO);
} else {
rtw_p2p_set_state(pwdinfo, P2P_STATE_GONEGO_OK);
rtw_p2p_set_pre_state(pwdinfo, P2P_STATE_GONEGO_OK);
rtw_p2p_set_role(pwdinfo, P2P_ROLE_CLIENT);
}
if (rtw_p2p_chk_role(pwdinfo, P2P_ROLE_GO)) {
/* Store the group id information. */
memcpy(pwdinfo->groupid_info.go_device_addr, pwdinfo->device_addr, ETH_ALEN);
memcpy(pwdinfo->groupid_info.ssid, pwdinfo->nego_ssid, pwdinfo->nego_ssidlen);
}
}
/* Try to get the operation channel information */
attr_contentlen = 0;
if (rtw_get_p2p_attr_content(p2p_ie, p2p_ielen, P2P_ATTR_OPERATING_CH, operatingch_info, &attr_contentlen)) {
DBG_88E("[%s] Peer's operating channel = %d\n", __func__, operatingch_info[4]);
pwdinfo->peer_operating_ch = operatingch_info[4];
}
/* Try to get the channel list information */
if (rtw_get_p2p_attr_content(p2p_ie, p2p_ielen, P2P_ATTR_CH_LIST, pwdinfo->channel_list_attr, &pwdinfo->channel_list_attr_len)) {
DBG_88E("[%s] channel list attribute found, len = %d\n", __func__, pwdinfo->channel_list_attr_len);
peer_ch_num = rtw_p2p_get_peer_ch_list(pwdinfo, pwdinfo->channel_list_attr, pwdinfo->channel_list_attr_len, peer_ch_list);
ch_num_inclusioned = rtw_p2p_ch_inclusion(&padapter->mlmeextpriv, peer_ch_list, peer_ch_num, ch_list_inclusioned);
if (ch_num_inclusioned == 0) {
DBG_88E("[%s] No common channel in channel list!\n", __func__);
result = P2P_STATUS_FAIL_NO_COMMON_CH;
rtw_p2p_set_state(pwdinfo, P2P_STATE_GONEGO_FAIL);
break;
}
if (rtw_p2p_chk_role(pwdinfo, P2P_ROLE_GO)) {
if (!rtw_p2p_is_channel_list_ok(pwdinfo->operating_channel,
ch_list_inclusioned, ch_num_inclusioned)) {
u8 operatingch_info[5] = { 0x00 }, peer_operating_ch = 0;
attr_contentlen = 0;
if (rtw_get_p2p_attr_content(p2p_ie, p2p_ielen, P2P_ATTR_OPERATING_CH, operatingch_info, &attr_contentlen))
peer_operating_ch = operatingch_info[4];
if (rtw_p2p_is_channel_list_ok(peer_operating_ch,
ch_list_inclusioned, ch_num_inclusioned)) {
/**
* Change our operating channel as peer's for compatibility.
*/
pwdinfo->operating_channel = peer_operating_ch;
DBG_88E("[%s] Change op ch to %02x as peer's\n", __func__, pwdinfo->operating_channel);
} else {
/* Take first channel of ch_list_inclusioned as operating channel */
pwdinfo->operating_channel = ch_list_inclusioned[0];
DBG_88E("[%s] Change op ch to %02x\n", __func__, pwdinfo->operating_channel);
}
}
}
} else {
DBG_88E("[%s] channel list attribute not found!\n", __func__);
}
/* Try to get the group id information if peer is GO */
attr_contentlen = 0;
_rtw_memset(groupid, 0x00, 38);
if (rtw_get_p2p_attr_content(p2p_ie, p2p_ielen, P2P_ATTR_GROUP_ID, groupid, &attr_contentlen)) {
memcpy(pwdinfo->groupid_info.go_device_addr, &groupid[0], ETH_ALEN);
memcpy(pwdinfo->groupid_info.ssid, &groupid[6], attr_contentlen - ETH_ALEN);
}
/* Get the next P2P IE */
p2p_ie = rtw_get_p2p_ie(p2p_ie+p2p_ielen, ies_len - (p2p_ie - ies + p2p_ielen), NULL, &p2p_ielen);
}
}
return result;
}
u8 process_p2p_group_negotation_confirm(struct wifidirect_info *pwdinfo, u8 *pframe, uint len)
{
u8 *ies;
u32 ies_len;
u8 *p2p_ie;
u32 p2p_ielen = 0;
u8 result = P2P_STATUS_SUCCESS;
ies = pframe + _PUBLIC_ACTION_IE_OFFSET_;
ies_len = len - _PUBLIC_ACTION_IE_OFFSET_;
p2p_ie = rtw_get_p2p_ie(ies, ies_len, NULL, &p2p_ielen);
while (p2p_ie) { /* Found the P2P IE. */
u8 attr_content = 0x00, operatingch_info[5] = { 0x00 };
u8 groupid[38] = { 0x00 };
u32 attr_contentlen = 0;
pwdinfo->negotiation_dialog_token = 1;
rtw_get_p2p_attr_content(p2p_ie, p2p_ielen, P2P_ATTR_STATUS, &attr_content, &attr_contentlen);
if (attr_contentlen == 1) {
DBG_88E("[%s] Status = %d\n", __func__, attr_content);
result = attr_content;
if (attr_content == P2P_STATUS_SUCCESS) {
u8 bcancelled = 0;
_cancel_timer(&pwdinfo->restore_p2p_state_timer, &bcancelled);
/* Commented by Albert 20100911 */
/* Todo: Need to handle the case which both Intents are the same. */
rtw_p2p_set_state(pwdinfo, P2P_STATE_GONEGO_OK);
rtw_p2p_set_pre_state(pwdinfo, P2P_STATE_GONEGO_OK);
if ((pwdinfo->intent) > (pwdinfo->peer_intent >> 1)) {
rtw_p2p_set_role(pwdinfo, P2P_ROLE_GO);
} else if ((pwdinfo->intent) < (pwdinfo->peer_intent >> 1)) {
rtw_p2p_set_role(pwdinfo, P2P_ROLE_CLIENT);
} else {
/* Have to compare the Tie Breaker */
if (pwdinfo->peer_intent & 0x01)
rtw_p2p_set_role(pwdinfo, P2P_ROLE_CLIENT);
else
rtw_p2p_set_role(pwdinfo, P2P_ROLE_GO);
}
} else {
rtw_p2p_set_role(pwdinfo, P2P_ROLE_DEVICE);
rtw_p2p_set_state(pwdinfo, P2P_STATE_GONEGO_FAIL);
break;
}
}
/* Try to get the group id information */
attr_contentlen = 0;
_rtw_memset(groupid, 0x00, 38);
if (rtw_get_p2p_attr_content(p2p_ie, p2p_ielen, P2P_ATTR_GROUP_ID, groupid, &attr_contentlen)) {
DBG_88E("[%s] Ssid = %s, ssidlen = %zu\n", __func__, &groupid[ETH_ALEN], strlen(&groupid[ETH_ALEN]));
memcpy(pwdinfo->groupid_info.go_device_addr, &groupid[0], ETH_ALEN);
memcpy(pwdinfo->groupid_info.ssid, &groupid[6], attr_contentlen - ETH_ALEN);
}
attr_contentlen = 0;
if (rtw_get_p2p_attr_content(p2p_ie, p2p_ielen, P2P_ATTR_OPERATING_CH, operatingch_info, &attr_contentlen)) {
DBG_88E("[%s] Peer's operating channel = %d\n", __func__, operatingch_info[4]);
pwdinfo->peer_operating_ch = operatingch_info[4];
}
/* Get the next P2P IE */
p2p_ie = rtw_get_p2p_ie(p2p_ie+p2p_ielen, ies_len - (p2p_ie - ies + p2p_ielen), NULL, &p2p_ielen);
}
return result;
}
u8 process_p2p_presence_req(struct wifidirect_info *pwdinfo, u8 *pframe, uint len)
{
u8 *frame_body;
u8 dialogToken = 0;
u8 status = P2P_STATUS_SUCCESS;
frame_body = (unsigned char *)(pframe + sizeof(struct rtw_ieee80211_hdr_3addr));
dialogToken = frame_body[6];
/* todo: check NoA attribute */
issue_p2p_presence_resp(pwdinfo, GetAddr2Ptr(pframe), status, dialogToken);
return true;
}
static void find_phase_handler(struct adapter *padapter)
{
struct wifidirect_info *pwdinfo = &padapter->wdinfo;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct ndis_802_11_ssid ssid;
unsigned long irqL;
_func_enter_;
_rtw_memset((unsigned char *)&ssid, 0, sizeof(struct ndis_802_11_ssid));
memcpy(ssid.Ssid, pwdinfo->p2p_wildcard_ssid, P2P_WILDCARD_SSID_LEN);
ssid.SsidLength = P2P_WILDCARD_SSID_LEN;
rtw_p2p_set_state(pwdinfo, P2P_STATE_FIND_PHASE_SEARCH);
_enter_critical_bh(&pmlmepriv->lock, &irqL);
_exit_critical_bh(&pmlmepriv->lock, &irqL);
_func_exit_;
}
void p2p_concurrent_handler(struct adapter *padapter);
static void restore_p2p_state_handler(struct adapter *padapter)
{
struct wifidirect_info *pwdinfo = &padapter->wdinfo;
_func_enter_;
if (rtw_p2p_chk_state(pwdinfo, P2P_STATE_GONEGO_ING) || rtw_p2p_chk_state(pwdinfo, P2P_STATE_GONEGO_FAIL))
rtw_p2p_set_role(pwdinfo, P2P_ROLE_DEVICE);
rtw_p2p_set_state(pwdinfo, rtw_p2p_pre_state(pwdinfo));
if (rtw_p2p_chk_role(pwdinfo, P2P_ROLE_DEVICE)) {
/* In the P2P client mode, the driver should not switch back to its listen channel */
/* because this P2P client should stay at the operating channel of P2P GO. */
set_channel_bwmode(padapter, pwdinfo->listen_channel, HAL_PRIME_CHNL_OFFSET_DONT_CARE, HT_CHANNEL_WIDTH_20);
}
_func_exit_;
}
static void pre_tx_invitereq_handler(struct adapter *padapter)
{
struct wifidirect_info *pwdinfo = &padapter->wdinfo;
u8 val8 = 1;
_func_enter_;
set_channel_bwmode(padapter, pwdinfo->invitereq_info.peer_ch, HAL_PRIME_CHNL_OFFSET_DONT_CARE, HT_CHANNEL_WIDTH_20);
padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_MLME_SITESURVEY, (u8 *)(&val8));
issue_probereq_p2p(padapter, NULL);
_set_timer(&pwdinfo->pre_tx_scan_timer, P2P_TX_PRESCAN_TIMEOUT);
_func_exit_;
}
static void pre_tx_provdisc_handler(struct adapter *padapter)
{
struct wifidirect_info *pwdinfo = &padapter->wdinfo;
u8 val8 = 1;
_func_enter_;
set_channel_bwmode(padapter, pwdinfo->tx_prov_disc_info.peer_channel_num[0], HAL_PRIME_CHNL_OFFSET_DONT_CARE, HT_CHANNEL_WIDTH_20);
rtw_hal_set_hwreg(padapter, HW_VAR_MLME_SITESURVEY, (u8 *)(&val8));
issue_probereq_p2p(padapter, NULL);
_set_timer(&pwdinfo->pre_tx_scan_timer, P2P_TX_PRESCAN_TIMEOUT);
_func_exit_;
}
static void pre_tx_negoreq_handler(struct adapter *padapter)
{
struct wifidirect_info *pwdinfo = &padapter->wdinfo;
u8 val8 = 1;
_func_enter_;
set_channel_bwmode(padapter, pwdinfo->nego_req_info.peer_channel_num[0], HAL_PRIME_CHNL_OFFSET_DONT_CARE, HT_CHANNEL_WIDTH_20);
rtw_hal_set_hwreg(padapter, HW_VAR_MLME_SITESURVEY, (u8 *)(&val8));
issue_probereq_p2p(padapter, NULL);
_set_timer(&pwdinfo->pre_tx_scan_timer, P2P_TX_PRESCAN_TIMEOUT);
_func_exit_;
}
void p2p_protocol_wk_hdl(struct adapter *padapter, int intCmdType)
{
_func_enter_;
switch (intCmdType) {
case P2P_FIND_PHASE_WK:
find_phase_handler(padapter);
break;
case P2P_RESTORE_STATE_WK:
restore_p2p_state_handler(padapter);
break;
case P2P_PRE_TX_PROVDISC_PROCESS_WK:
pre_tx_provdisc_handler(padapter);
break;
case P2P_PRE_TX_INVITEREQ_PROCESS_WK:
pre_tx_invitereq_handler(padapter);
break;
case P2P_PRE_TX_NEGOREQ_PROCESS_WK:
pre_tx_negoreq_handler(padapter);
break;
}
_func_exit_;
}
void process_p2p_ps_ie(struct adapter *padapter, u8 *IEs, u32 IELength)
{
u8 *ies;
u32 ies_len;
u8 *p2p_ie;
u32 p2p_ielen = 0;
u8 noa_attr[MAX_P2P_IE_LEN] = { 0x00 };/* NoA length should be n*(13) + 2 */
u32 attr_contentlen = 0;
struct wifidirect_info *pwdinfo = &(padapter->wdinfo);
u8 find_p2p = false, find_p2p_ps = false;
u8 noa_offset, noa_num, noa_index;
_func_enter_;
if (rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE))
return;
if (IELength <= _BEACON_IE_OFFSET_)
return;
ies = IEs + _BEACON_IE_OFFSET_;
ies_len = IELength - _BEACON_IE_OFFSET_;
p2p_ie = rtw_get_p2p_ie(ies, ies_len, NULL, &p2p_ielen);
while (p2p_ie) {
find_p2p = true;
/* Get Notice of Absence IE. */
if (rtw_get_p2p_attr_content(p2p_ie, p2p_ielen, P2P_ATTR_NOA, noa_attr, &attr_contentlen)) {
find_p2p_ps = true;
noa_index = noa_attr[0];
if ((pwdinfo->p2p_ps_mode == P2P_PS_NONE) ||
(noa_index != pwdinfo->noa_index)) { /* if index change, driver should reconfigure related setting. */
pwdinfo->noa_index = noa_index;
pwdinfo->opp_ps = noa_attr[1] >> 7;
pwdinfo->ctwindow = noa_attr[1] & 0x7F;
noa_offset = 2;
noa_num = 0;
/* NoA length should be n*(13) + 2 */
if (attr_contentlen > 2) {
while (noa_offset < attr_contentlen) {
/* memcpy(&wifidirect_info->noa_count[noa_num], &noa_attr[noa_offset], 1); */
pwdinfo->noa_count[noa_num] = noa_attr[noa_offset];
noa_offset += 1;
memcpy(&pwdinfo->noa_duration[noa_num], &noa_attr[noa_offset], 4);
noa_offset += 4;
memcpy(&pwdinfo->noa_interval[noa_num], &noa_attr[noa_offset], 4);
noa_offset += 4;
memcpy(&pwdinfo->noa_start_time[noa_num], &noa_attr[noa_offset], 4);
noa_offset += 4;
noa_num++;
}
}
pwdinfo->noa_num = noa_num;
if (pwdinfo->opp_ps == 1) {
pwdinfo->p2p_ps_mode = P2P_PS_CTWINDOW;
/* driver should wait LPS for entering CTWindow */
if (padapter->pwrctrlpriv.bFwCurrentInPSMode)
p2p_ps_wk_cmd(padapter, P2P_PS_ENABLE, 1);
} else if (pwdinfo->noa_num > 0) {
pwdinfo->p2p_ps_mode = P2P_PS_NOA;
p2p_ps_wk_cmd(padapter, P2P_PS_ENABLE, 1);
} else if (pwdinfo->p2p_ps_mode > P2P_PS_NONE) {
p2p_ps_wk_cmd(padapter, P2P_PS_DISABLE, 1);
}
}
break; /* find target, just break. */
}
/* Get the next P2P IE */
p2p_ie = rtw_get_p2p_ie(p2p_ie+p2p_ielen, ies_len - (p2p_ie - ies + p2p_ielen), NULL, &p2p_ielen);
}
if (find_p2p) {
if ((pwdinfo->p2p_ps_mode > P2P_PS_NONE) && !find_p2p_ps)
p2p_ps_wk_cmd(padapter, P2P_PS_DISABLE, 1);
}
_func_exit_;
}
void p2p_ps_wk_hdl(struct adapter *padapter, u8 p2p_ps_state)
{
struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
struct wifidirect_info *pwdinfo = &(padapter->wdinfo);
_func_enter_;
/* Pre action for p2p state */
switch (p2p_ps_state) {
case P2P_PS_DISABLE:
pwdinfo->p2p_ps_state = p2p_ps_state;
rtw_hal_set_hwreg(padapter, HW_VAR_H2C_FW_P2P_PS_OFFLOAD, (u8 *)(&p2p_ps_state));
pwdinfo->noa_index = 0;
pwdinfo->ctwindow = 0;
pwdinfo->opp_ps = 0;
pwdinfo->noa_num = 0;
pwdinfo->p2p_ps_mode = P2P_PS_NONE;
if (padapter->pwrctrlpriv.bFwCurrentInPSMode) {
if (pwrpriv->smart_ps == 0) {
pwrpriv->smart_ps = 2;
rtw_hal_set_hwreg(padapter, HW_VAR_H2C_FW_PWRMODE, (u8 *)(&(padapter->pwrctrlpriv.pwr_mode)));
}
}
break;
case P2P_PS_ENABLE:
if (pwdinfo->p2p_ps_mode > P2P_PS_NONE) {
pwdinfo->p2p_ps_state = p2p_ps_state;
if (pwdinfo->ctwindow > 0) {
if (pwrpriv->smart_ps != 0) {
pwrpriv->smart_ps = 0;
DBG_88E("%s(): Enter CTW, change SmartPS\n", __func__);
rtw_hal_set_hwreg(padapter, HW_VAR_H2C_FW_PWRMODE, (u8 *)(&(padapter->pwrctrlpriv.pwr_mode)));
}
}
rtw_hal_set_hwreg(padapter, HW_VAR_H2C_FW_P2P_PS_OFFLOAD, (u8 *)(&p2p_ps_state));
}
break;
case P2P_PS_SCAN:
case P2P_PS_SCAN_DONE:
case P2P_PS_ALLSTASLEEP:
if (pwdinfo->p2p_ps_mode > P2P_PS_NONE) {
pwdinfo->p2p_ps_state = p2p_ps_state;
rtw_hal_set_hwreg(padapter, HW_VAR_H2C_FW_P2P_PS_OFFLOAD, (u8 *)(&p2p_ps_state));
}
break;
default:
break;
}
_func_exit_;
}
u8 p2p_ps_wk_cmd(struct adapter *padapter, u8 p2p_ps_state, u8 enqueue)
{
struct cmd_obj *ph2c;
struct drvextra_cmd_parm *pdrvextra_cmd_parm;
struct wifidirect_info *pwdinfo = &(padapter->wdinfo);
struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
u8 res = _SUCCESS;
_func_enter_;
if (rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE))
return res;
if (enqueue) {
ph2c = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj));
if (ph2c == NULL) {
res = _FAIL;
goto exit;
}
pdrvextra_cmd_parm = (struct drvextra_cmd_parm *)rtw_zmalloc(sizeof(struct drvextra_cmd_parm));
if (pdrvextra_cmd_parm == NULL) {
kfree(ph2c);
res = _FAIL;
goto exit;
}
pdrvextra_cmd_parm->ec_id = P2P_PS_WK_CID;
pdrvextra_cmd_parm->type_size = p2p_ps_state;
pdrvextra_cmd_parm->pbuf = NULL;
init_h2fwcmd_w_parm_no_rsp(ph2c, pdrvextra_cmd_parm, GEN_CMD_CODE(_Set_Drv_Extra));
res = rtw_enqueue_cmd(pcmdpriv, ph2c);
} else {
p2p_ps_wk_hdl(padapter, p2p_ps_state);
}
exit:
_func_exit_;
return res;
}
static void reset_ch_sitesurvey_timer_process (void *FunctionContext)
{
struct adapter *adapter = (struct adapter *)FunctionContext;
struct wifidirect_info *pwdinfo = &adapter->wdinfo;
if (rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE))
return;
DBG_88E("[%s] In\n", __func__);
/* Reset the operation channel information */
pwdinfo->rx_invitereq_info.operation_ch[0] = 0;
pwdinfo->rx_invitereq_info.scan_op_ch_only = 0;
}
static void reset_ch_sitesurvey_timer_process2 (void *FunctionContext)
{
struct adapter *adapter = (struct adapter *)FunctionContext;
struct wifidirect_info *pwdinfo = &adapter->wdinfo;
if (rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE))
return;
DBG_88E("[%s] In\n", __func__);
/* Reset the operation channel information */
pwdinfo->p2p_info.operation_ch[0] = 0;
pwdinfo->p2p_info.scan_op_ch_only = 0;
}
static void restore_p2p_state_timer_process (void *FunctionContext)
{
struct adapter *adapter = (struct adapter *)FunctionContext;
struct wifidirect_info *pwdinfo = &adapter->wdinfo;
if (rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE))
return;
p2p_protocol_wk_cmd(adapter, P2P_RESTORE_STATE_WK);
}
static void pre_tx_scan_timer_process(void *FunctionContext)
{
struct adapter *adapter = (struct adapter *)FunctionContext;
struct wifidirect_info *pwdinfo = &adapter->wdinfo;
unsigned long irqL;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
if (rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE))
return;
_enter_critical_bh(&pmlmepriv->lock, &irqL);
if (rtw_p2p_chk_state(pwdinfo, P2P_STATE_TX_PROVISION_DIS_REQ)) {
if (pwdinfo->tx_prov_disc_info.benable) { /* the provision discovery request frame is trigger to send or not */
p2p_protocol_wk_cmd(adapter, P2P_PRE_TX_PROVDISC_PROCESS_WK);
/* issue_probereq_p2p(adapter, NULL); */
/* _set_timer(&pwdinfo->pre_tx_scan_timer, P2P_TX_PRESCAN_TIMEOUT); */
}
} else if (rtw_p2p_chk_state(pwdinfo, P2P_STATE_GONEGO_ING)) {
if (pwdinfo->nego_req_info.benable)
p2p_protocol_wk_cmd(adapter, P2P_PRE_TX_NEGOREQ_PROCESS_WK);
} else if (rtw_p2p_chk_state(pwdinfo, P2P_STATE_TX_INVITE_REQ)) {
if (pwdinfo->invitereq_info.benable)
p2p_protocol_wk_cmd(adapter, P2P_PRE_TX_INVITEREQ_PROCESS_WK);
} else {
DBG_88E("[%s] p2p_state is %d, ignore!!\n", __func__, rtw_p2p_state(pwdinfo));
}
_exit_critical_bh(&pmlmepriv->lock, &irqL);
}
static void find_phase_timer_process(void *FunctionContext)
{
struct adapter *adapter = (struct adapter *)FunctionContext;
struct wifidirect_info *pwdinfo = &adapter->wdinfo;
if (rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE))
return;
adapter->wdinfo.find_phase_state_exchange_cnt++;
p2p_protocol_wk_cmd(adapter, P2P_FIND_PHASE_WK);
}
void reset_global_wifidirect_info(struct adapter *padapter)
{
struct wifidirect_info *pwdinfo;
pwdinfo = &padapter->wdinfo;
pwdinfo->persistent_supported = 0;
pwdinfo->session_available = true;
pwdinfo->wfd_tdls_enable = 0;
pwdinfo->wfd_tdls_weaksec = 0;
}
void rtw_init_wifidirect_timers(struct adapter *padapter)
{
struct wifidirect_info *pwdinfo = &padapter->wdinfo;
_init_timer(&pwdinfo->find_phase_timer, padapter->pnetdev, find_phase_timer_process, padapter);
_init_timer(&pwdinfo->restore_p2p_state_timer, padapter->pnetdev, restore_p2p_state_timer_process, padapter);
_init_timer(&pwdinfo->pre_tx_scan_timer, padapter->pnetdev, pre_tx_scan_timer_process, padapter);
_init_timer(&pwdinfo->reset_ch_sitesurvey, padapter->pnetdev, reset_ch_sitesurvey_timer_process, padapter);
_init_timer(&pwdinfo->reset_ch_sitesurvey2, padapter->pnetdev, reset_ch_sitesurvey_timer_process2, padapter);
}
void rtw_init_wifidirect_addrs(struct adapter *padapter, u8 *dev_addr, u8 *iface_addr)
{
#ifdef CONFIG_88EU_P2P
struct wifidirect_info *pwdinfo = &padapter->wdinfo;
/*init device&interface address */
if (dev_addr)
memcpy(pwdinfo->device_addr, dev_addr, ETH_ALEN);
if (iface_addr)
memcpy(pwdinfo->interface_addr, iface_addr, ETH_ALEN);
#endif
}
void init_wifidirect_info(struct adapter *padapter, enum P2P_ROLE role)
{
struct wifidirect_info *pwdinfo;
pwdinfo = &padapter->wdinfo;
pwdinfo->padapter = padapter;
/* 1, 6, 11 are the social channel defined in the WiFi Direct specification. */
pwdinfo->social_chan[0] = 1;
pwdinfo->social_chan[1] = 6;
pwdinfo->social_chan[2] = 11;
pwdinfo->social_chan[3] = 0; /* channel 0 for scanning ending in site survey function. */
/* Use the channel 11 as the listen channel */
pwdinfo->listen_channel = 11;
if (role == P2P_ROLE_DEVICE) {
rtw_p2p_set_role(pwdinfo, P2P_ROLE_DEVICE);
rtw_p2p_set_state(pwdinfo, P2P_STATE_LISTEN);
pwdinfo->intent = 1;
rtw_p2p_set_pre_state(pwdinfo, P2P_STATE_LISTEN);
} else if (role == P2P_ROLE_CLIENT) {
rtw_p2p_set_role(pwdinfo, P2P_ROLE_CLIENT);
rtw_p2p_set_state(pwdinfo, P2P_STATE_GONEGO_OK);
pwdinfo->intent = 1;
rtw_p2p_set_pre_state(pwdinfo, P2P_STATE_GONEGO_OK);
} else if (role == P2P_ROLE_GO) {
rtw_p2p_set_role(pwdinfo, P2P_ROLE_GO);
rtw_p2p_set_state(pwdinfo, P2P_STATE_GONEGO_OK);
pwdinfo->intent = 15;
rtw_p2p_set_pre_state(pwdinfo, P2P_STATE_GONEGO_OK);
}
/* Use the OFDM rate in the P2P probe response frame. (6(B), 9(B), 12, 18, 24, 36, 48, 54) */
pwdinfo->support_rate[0] = 0x8c; /* 6(B) */
pwdinfo->support_rate[1] = 0x92; /* 9(B) */
pwdinfo->support_rate[2] = 0x18; /* 12 */
pwdinfo->support_rate[3] = 0x24; /* 18 */
pwdinfo->support_rate[4] = 0x30; /* 24 */
pwdinfo->support_rate[5] = 0x48; /* 36 */
pwdinfo->support_rate[6] = 0x60; /* 48 */
pwdinfo->support_rate[7] = 0x6c; /* 54 */
memcpy(pwdinfo->p2p_wildcard_ssid, "DIRECT-", 7);
_rtw_memset(pwdinfo->device_name, 0x00, WPS_MAX_DEVICE_NAME_LEN);
pwdinfo->device_name_len = 0;
_rtw_memset(&pwdinfo->invitereq_info, 0x00, sizeof(struct tx_invite_req_info));
pwdinfo->invitereq_info.token = 3; /* Token used for P2P invitation request frame. */
_rtw_memset(&pwdinfo->inviteresp_info, 0x00, sizeof(struct tx_invite_resp_info));
pwdinfo->inviteresp_info.token = 0;
pwdinfo->profileindex = 0;
_rtw_memset(&pwdinfo->profileinfo[0], 0x00, sizeof(struct profile_info) * P2P_MAX_PERSISTENT_GROUP_NUM);
rtw_p2p_findphase_ex_set(pwdinfo, P2P_FINDPHASE_EX_NONE);
pwdinfo->listen_dwell = (u8) ((rtw_get_current_time() % 3) + 1);
_rtw_memset(&pwdinfo->tx_prov_disc_info, 0x00, sizeof(struct tx_provdisc_req_info));
pwdinfo->tx_prov_disc_info.wps_config_method_request = WPS_CM_NONE;
_rtw_memset(&pwdinfo->nego_req_info, 0x00, sizeof(struct tx_nego_req_info));
pwdinfo->device_password_id_for_nego = WPS_DPID_PBC;
pwdinfo->negotiation_dialog_token = 1;
_rtw_memset(pwdinfo->nego_ssid, 0x00, WLAN_SSID_MAXLEN);
pwdinfo->nego_ssidlen = 0;
pwdinfo->ui_got_wps_info = P2P_NO_WPSINFO;
pwdinfo->supported_wps_cm = WPS_CONFIG_METHOD_DISPLAY | WPS_CONFIG_METHOD_PBC | WPS_CONFIG_METHOD_KEYPAD;
pwdinfo->channel_list_attr_len = 0;
_rtw_memset(pwdinfo->channel_list_attr, 0x00, 100);
_rtw_memset(pwdinfo->rx_prov_disc_info.strconfig_method_desc_of_prov_disc_req, 0x00, 4);
_rtw_memset(pwdinfo->rx_prov_disc_info.strconfig_method_desc_of_prov_disc_req, '0', 3);
_rtw_memset(&pwdinfo->groupid_info, 0x00, sizeof(struct group_id_info));
pwdinfo->wfd_tdls_enable = 0;
_rtw_memset(pwdinfo->p2p_peer_interface_addr, 0x00, ETH_ALEN);
_rtw_memset(pwdinfo->p2p_peer_device_addr, 0x00, ETH_ALEN);
pwdinfo->rx_invitereq_info.operation_ch[0] = 0;
pwdinfo->rx_invitereq_info.operation_ch[1] = 0; /* Used to indicate the scan end in site survey function */
pwdinfo->rx_invitereq_info.scan_op_ch_only = 0;
pwdinfo->p2p_info.operation_ch[0] = 0;
pwdinfo->p2p_info.operation_ch[1] = 0; /* Used to indicate the scan end in site survey function */
pwdinfo->p2p_info.scan_op_ch_only = 0;
}
int rtw_p2p_enable(struct adapter *padapter, enum P2P_ROLE role)
{
int ret = _SUCCESS;
struct wifidirect_info *pwdinfo = &(padapter->wdinfo);
if (role == P2P_ROLE_DEVICE || role == P2P_ROLE_CLIENT || role == P2P_ROLE_GO) {
/* leave IPS/Autosuspend */
if (_FAIL == rtw_pwr_wakeup(padapter)) {
ret = _FAIL;
goto exit;
}
/* Added by Albert 2011/03/22 */
/* In the P2P mode, the driver should not support the b mode. */
/* So, the Tx packet shouldn't use the CCK rate */
update_tx_basic_rate(padapter, WIRELESS_11AGN);
/* Enable P2P function */
init_wifidirect_info(padapter, role);
rtw_hal_set_odm_var(padapter, HAL_ODM_P2P_STATE, NULL, true);
} else if (role == P2P_ROLE_DISABLE) {
if (_FAIL == rtw_pwr_wakeup(padapter)) {
ret = _FAIL;
goto exit;
}
/* Disable P2P function */
if (!rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE)) {
_cancel_timer_ex(&pwdinfo->find_phase_timer);
_cancel_timer_ex(&pwdinfo->restore_p2p_state_timer);
_cancel_timer_ex(&pwdinfo->pre_tx_scan_timer);
_cancel_timer_ex(&pwdinfo->reset_ch_sitesurvey);
_cancel_timer_ex(&pwdinfo->reset_ch_sitesurvey2);
reset_ch_sitesurvey_timer_process(padapter);
reset_ch_sitesurvey_timer_process2(padapter);
rtw_p2p_set_state(pwdinfo, P2P_STATE_NONE);
rtw_p2p_set_role(pwdinfo, P2P_ROLE_DISABLE);
_rtw_memset(&pwdinfo->rx_prov_disc_info, 0x00, sizeof(struct rx_provdisc_req_info));
}
rtw_hal_set_odm_var(padapter, HAL_ODM_P2P_STATE, NULL, false);
/* Restore to initial setting. */
update_tx_basic_rate(padapter, padapter->registrypriv.wireless_mode);
}
exit:
return ret;
}
#else
u8 p2p_ps_wk_cmd(struct adapter *padapter, u8 p2p_ps_state, u8 enqueue)
{
return _FAIL;
}
void process_p2p_ps_ie(struct adapter *padapter, u8 *IEs, u32 IELength)
{
}
#endif /* CONFIG_88EU_P2P */
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