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8821cu-20210916
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8821cu-20210916/core/rtw_mbo.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.
*
*****************************************************************************/
#include <drv_types.h>
#include <hal_data.h>
#ifdef CONFIG_RTW_MBO
#ifndef RTW_MBO_DBG
#define RTW_MBO_DBG 0
#endif
#if RTW_MBO_DBG
#define RTW_MBO_INFO(fmt, arg...) \
RTW_INFO(fmt, arg)
#define RTW_MBO_DUMP(str, data, len) \
RTW_INFO_DUMP(str, data, len)
#else
#define RTW_MBO_INFO(fmt, arg...) do {} while (0)
#define RTW_MBO_DUMP(str, data, len) do {} while (0)
#endif
/* Cellular Data Connectivity field
* 1 : Cellular data connection available
* 2 : Cellular data connection not available
* 3 : Not Cellular data capable
* otherwise : Reserved
*/
int rtw_mbo_cell_data_conn = 2;
module_param(rtw_mbo_cell_data_conn, int, 0644);
static u8 wfa_mbo_oui[] = {0x50, 0x6F, 0x9A, 0x16};
#define rtw_mbo_get_oui(p) ((u8 *)(p) + 2)
#define rtw_mbo_get_attr_id(p) ((u8 *)(p))
#define rtw_mbo_get_disallow_res(p) ((u8 *)(p) + 3)
#define rtw_mbo_set_1byte_ie(p, v, l) \
rtw_set_fixed_ie((p), 1, (v), (l))
#define rtw_mbo_set_4byte_ie(p, v, l) \
rtw_set_fixed_ie((p), 4, (v), (l))
#define rtw_mbo_set_nbyte_ie(p, sz, v, l) \
rtw_set_fixed_ie((p), (sz), (v), (l))
#define rtw_mbo_subfield_set(p, offset, val) (*(p + offset) = val)
#define rtw_mbo_subfields_set(p, offset, buf, len) \
do { \
u32 _offset = 0; \
u8 *_p = p + offset; \
while(_offset < len) { \
*(_p + _offset) = *(buf + _offset); \
_offset++; \
} \
} while(0)
static u8 *rtw_mbo_ie_get(u8 *pie, u32 *plen, u32 limit)
{
const u8 *p = pie;
u32 tmp, i;
if (limit <= 1)
return NULL;
i = 0;
*plen = 0;
while (1) {
if ((*p == _VENDOR_SPECIFIC_IE_) &&
(_rtw_memcmp(rtw_mbo_get_oui(p), wfa_mbo_oui, 4))) {
*plen = *(p + 1);
RTW_MBO_DUMP("VENDOR_SPECIFIC_IE MBO: ", p, *(p + 1));
return (u8 *)p;
} else {
tmp = *(p + 1);
p += (tmp + 2);
i += (tmp + 2);
}
if (i >= limit)
break;
}
return NULL;
}
static u8 *rtw_mbo_attrs_get(u8 *pie, u32 limit, u8 attr_id, u32 *attr_len)
{
u8 *p = NULL;
u32 offset, plen = 0;
if ((pie == NULL) || (limit <= 1))
goto exit;
if ((p = rtw_mbo_ie_get(pie, &plen, limit)) == NULL)
goto exit;
/* shift 2 + OUI size and move to attributes content */
p = p + 2 + sizeof(wfa_mbo_oui);
plen = plen - 4;
RTW_MBO_DUMP("Attributes contents: ", p, plen);
if ((p = rtw_get_ie(p, attr_id, attr_len, plen)) == NULL)
goto exit;
RTW_MBO_INFO("%s : id=%u(len=%u)\n", __func__, attr_id, *attr_len);
RTW_MBO_DUMP("contents : ", p, *attr_len);
exit:
return p;
}
static u32 rtw_mbo_attr_sz_get(
_adapter *padapter, u8 id)
{
u32 len = 0;
switch (id) {
case RTW_MBO_ATTR_NPREF_CH_RPT_ID:
{
struct rf_ctl_t *prfctl = adapter_to_rfctl(padapter);
struct npref_ch_rtp *prpt = &(prfctl->ch_rtp);
struct npref_ch* pch;
u32 i, attr_len, offset;
for (i=0; i < prpt->nm_of_rpt; i++) {
pch = &prpt->ch_rpt[i];
/*attr_len = ch list + op class + preference + reason */
attr_len = pch->nm_of_ch + 3;
/* offset = id + len field + attr_len */
offset = attr_len + 2;
len += offset;
}
}
break;
case RTW_MBO_ATTR_CELL_DATA_CAP_ID:
case RTW_MBO_ATTR_TRANS_REJ_ID:
len = 3;
break;
default:
break;
}
return len;
}
static void rtw_mbo_build_mbo_ie_hdr(
u8 **pframe, struct pkt_attrib *pattrib, u8 payload_len)
{
u8 eid = RTW_MBO_EID;
u8 len = payload_len + 4;
*pframe = rtw_mbo_set_1byte_ie(*pframe, &eid, &(pattrib->pktlen));
*pframe = rtw_mbo_set_1byte_ie(*pframe, &len, &(pattrib->pktlen));
*pframe = rtw_mbo_set_4byte_ie(*pframe, wfa_mbo_oui, &(pattrib->pktlen));
}
void rtw_mbo_build_cell_data_cap_attr(
_adapter *padapter, u8 **pframe, struct pkt_attrib *pattrib)
{
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
u8 attr_id = RTW_MBO_ATTR_CELL_DATA_CAP_ID;
u8 attr_len = 1;
u8 cell_data_con = rtw_mbo_cell_data_conn;
/* used Cellular Data Capabilities from supplicant */
if (!rtw_mbo_wifi_logo_test(padapter) &&
pmlmepriv->pcell_data_cap_ie && pmlmepriv->cell_data_cap_len == 1) {
cell_data_con = *pmlmepriv->pcell_data_cap_ie;
RTW_MBO_INFO("%s : used Cellular Data Capabilities(%u) from supplicant!\n",
__func__, *pmlmepriv->pcell_data_cap_ie);
}
*pframe = rtw_mbo_set_1byte_ie(*pframe, &attr_id, &(pattrib->pktlen));
*pframe = rtw_mbo_set_1byte_ie(*pframe, &attr_len, &(pattrib->pktlen));
*pframe = rtw_mbo_set_1byte_ie(*pframe, &cell_data_con, &(pattrib->pktlen));
}
static void rtw_mbo_update_cell_data_cap(
_adapter *padapter, u8 *pie, u32 ie_len)
{
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
u8 *mbo_attr;
u32 mbo_attrlen;
if ((pie == NULL) || (ie_len == 0))
return;
mbo_attr = rtw_mbo_attrs_get(pie, ie_len,
RTW_MBO_ATTR_CELL_DATA_CAP_ID, &mbo_attrlen);
if ((mbo_attr == NULL) || (mbo_attrlen == 0) ) {
RTW_INFO("MBO : Cellular Data Capabilities not found!\n");
return;
}
rtw_buf_update(&pmlmepriv->pcell_data_cap_ie,
&pmlmepriv->cell_data_cap_len, (mbo_attr + 2), mbo_attrlen);
RTW_MBO_DUMP("rtw_mbo_update_cell_data_cap : ",
pmlmepriv->pcell_data_cap_ie, pmlmepriv->cell_data_cap_len);
}
void rtw_mbo_update_ie_data(
_adapter *padapter, u8 *pie, u32 ie_len)
{
rtw_mbo_update_cell_data_cap(padapter, pie, ie_len);
}
static u8 rtw_mbo_current_op_class_get(_adapter *padapter)
{
struct rf_ctl_t *prfctl = adapter_to_rfctl(padapter);
struct p2p_channels *pch_list = &(prfctl->channel_list);
struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
struct p2p_reg_class *preg_class;
int class_idx, ch_idx;
u8 cur_op_class = 0;
for(class_idx =0; class_idx < pch_list->reg_classes; class_idx++) {
preg_class = &pch_list->reg_class[class_idx];
for (ch_idx = 0; ch_idx <= preg_class->channels; ch_idx++) {
if (pmlmeext->cur_channel == preg_class->channel[ch_idx]) {
cur_op_class = preg_class->reg_class;
RTW_MBO_INFO("%s : current ch : %d, op class : %d\n",
__func__, pmlmeext->cur_channel, cur_op_class);
break;
}
}
}
return cur_op_class;
}
static void rtw_mbo_supp_op_classes_get(_adapter *padapter, u8 *pclasses)
{
struct rf_ctl_t *prfctl = adapter_to_rfctl(padapter);
struct p2p_channels *pch_list = &(prfctl->channel_list);
int class_idx;
if (pclasses == NULL)
return;
RTW_MBO_INFO("%s : support op class \n", __func__);
for(class_idx = 0; class_idx < pch_list->reg_classes; class_idx++) {
*(pclasses + class_idx) = pch_list->reg_class[class_idx].reg_class;
RTW_MBO_INFO("%u ,", *(pclasses + class_idx));
}
RTW_MBO_INFO("%s : \n", __func__);
}
void rtw_mbo_build_supp_op_class_elem(
_adapter *padapter, u8 **pframe, struct pkt_attrib *pattrib)
{
struct rf_ctl_t *prfctl = adapter_to_rfctl(padapter);
u8 payload[32] = {0};
u8 delimiter_130 = 130; /*0x82*/
u8 reg_class_nm, len;
if ((reg_class_nm = prfctl->channel_list.reg_classes) == 0)
return;
payload[0] = rtw_mbo_current_op_class_get(padapter);
rtw_mbo_supp_op_classes_get(padapter, &payload[1]);
/* IEEE 802.11 Std Current Operating Class Extension Sequence */
payload[reg_class_nm + 1] = delimiter_130;
payload[reg_class_nm + 2] = 0x00;
RTW_MBO_DUMP("op class :", payload, reg_class_nm);
/* Current Operating Class field + Operating Class field
+ OneHundredAndThirty Delimiter field */
len = reg_class_nm + 3;
*pframe = rtw_set_ie(*pframe, EID_SupRegulatory, len ,
payload, &(pattrib->pktlen));
}
static u8 rtw_mbo_construct_npref_ch_rpt_attr(
_adapter *padapter, u8 *pbuf, u32 buf_len, u32 *plen)
{
struct rf_ctl_t *prfctl = adapter_to_rfctl(padapter);
struct npref_ch_rtp *prpt = &(prfctl->ch_rtp);
struct npref_ch* pch;
u32 attr_len, offset;
int i;
u8 *p = pbuf;
if (prpt->nm_of_rpt == 0) {
*plen = 0;
return _FALSE;
}
for (i=0; i < prpt->nm_of_rpt; i++) {
pch = &prpt->ch_rpt[i];
/* attr_len = ch list + op class + preference + reason */
attr_len = pch->nm_of_ch + 3;
/* offset = id + len field + attr_len */
offset = attr_len + 2;
rtw_mbo_subfield_set(p, 0, RTW_MBO_ATTR_NPREF_CH_RPT_ID);
rtw_mbo_subfield_set(p, 1, attr_len);
rtw_mbo_subfield_set(p, 2, pch->op_class);
rtw_mbo_subfields_set(p, 3, pch->chs, pch->nm_of_ch);
rtw_mbo_subfield_set(p, (offset - 2), pch->preference);
rtw_mbo_subfield_set(p, (offset - 1), pch->reason);
p += offset;
*plen += offset;
if (*plen >= buf_len) {
RTW_ERR("MBO : construct non-preferred channel report fail!\n");
return _FALSE;
}
}
return _TRUE;
}
void rtw_mbo_build_npref_ch_rpt_attr(
_adapter *padapter, u8 **pframe, struct pkt_attrib *pattrib)
{
struct rf_ctl_t *prfctl = adapter_to_rfctl(padapter);
struct npref_ch_rtp *prpt = &(prfctl->ch_rtp);
u32 tmp_sz = 0, body_len = 0;
u8 *ptmp;
tmp_sz = prpt->nm_of_rpt * sizeof(struct npref_ch);
ptmp = rtw_zmalloc(tmp_sz);
if (ptmp == NULL)
return;
if (rtw_mbo_construct_npref_ch_rpt_attr(padapter, ptmp, tmp_sz, &body_len) == _FALSE) {
rtw_mfree(ptmp, tmp_sz);
return;
}
RTW_MBO_DUMP("Non-preferred Channel Report :", ptmp, body_len);
*pframe = rtw_mbo_set_nbyte_ie(*pframe, body_len, ptmp, &(pattrib->pktlen));
rtw_mfree(ptmp, tmp_sz);
}
void rtw_mbo_build_trans_reject_reason_attr(
_adapter *padapter, u8 **pframe, struct pkt_attrib *pattrib, u8 *pres)
{
u8 attr_id = RTW_MBO_ATTR_TRANS_REJ_ID;
u8 attr_len = 1;
u32 len = 0;
len = rtw_mbo_attr_sz_get(padapter, RTW_MBO_ATTR_TRANS_REJ_ID);
if ((len == 0) || (len > 3)) {
RTW_ERR("MBO : build Transition Rejection Reason attribute fail(len=%u)\n", len);
return;
}
rtw_mbo_build_mbo_ie_hdr(pframe, pattrib, len);
*pframe = rtw_mbo_set_1byte_ie(*pframe, &attr_id, &(pattrib->pktlen));
*pframe = rtw_mbo_set_1byte_ie(*pframe, &attr_len, &(pattrib->pktlen));
*pframe = rtw_mbo_set_1byte_ie(*pframe, pres, &(pattrib->pktlen));
}
u8 rtw_mbo_disallowed_network(struct wlan_network *pnetwork)
{
u8 *p, *attr_id, *res;
u32 attr_len = 0;
u8 disallow = _FALSE;
if (pnetwork == NULL)
goto exit;
p = rtw_mbo_attrs_get(pnetwork->network.IEs,
pnetwork->network.IELength,
RTW_MBO_ATTR_ASSOC_DISABLED_ID,
&attr_len);
if (p == NULL) {
RTW_MBO_INFO("%s :Assoc Disallowed attribute not found!\n",__func__);
goto exit;
}
RTW_MBO_DUMP("Association Disallowed attribute :",p , attr_len + 2);
RTW_INFO("MBO : block "MAC_FMT" assoc disallowed reason %d\n",
MAC_ARG(pnetwork->network.MacAddress), *(rtw_mbo_get_disallow_res(p)));
disallow = _TRUE;
exit:
return disallow;
}
void rtw_mbo_build_exented_cap(
_adapter *padapter, u8 **pframe, struct pkt_attrib *pattrib)
{
u8 content[8] = { 0 };
rtw_wnm_set_ext_cap_btm(content, 1);
rtw_mbo_set_ext_cap_internw(content, 1);
*pframe = rtw_set_ie(*pframe,
EID_EXTCapability,
8,
content,
&(pattrib->pktlen));
}
static void rtw_mbo_non_pref_chans_dump(struct npref_ch* pch)
{
int i;
u8 buf[128] = {0};
for (i=0; i < pch->nm_of_ch; i++)
rtw_sprintf(buf, 128, "%s,%d", buf, pch->chs[i]);
RTW_MBO_INFO("%s : op_class=%01x, ch=%s, preference=%d, reason=%d\n",
__func__, pch->op_class, buf, pch->preference, pch->reason);
}
static u8 rtw_mbo_non_pref_chan_exist(struct npref_ch* pch, u8 ch)
{
u32 i;
u8 found = _FALSE;
for (i=0; i < pch->nm_of_ch; i++) {
if (pch->chs[i] == ch) {
found = _TRUE;
break;
}
}
return found;
}
static struct npref_ch* rtw_mbo_non_pref_chan_get(
_adapter *padapter, u8 op_class, u8 prefe, u8 res)
{
struct rf_ctl_t *prfctl = adapter_to_rfctl(padapter);
struct npref_ch_rtp *prpt = &(prfctl->ch_rtp);
struct npref_ch* pch = NULL;
int i;
if (prpt->nm_of_rpt == 0)
return pch;
for (i=0; i < prpt->nm_of_rpt; i++) {
if ((prpt->ch_rpt[i].op_class == op_class) &&
(prpt->ch_rpt[i].preference == prefe) &&
(prpt->ch_rpt[i].reason == res)) {
pch = &prpt->ch_rpt[i];
break;
}
}
return pch;
}
static void rtw_mbo_non_pref_chan_set(
struct npref_ch* pch, u8 op_class, u8 ch, u8 prefe, u8 res, u8 update)
{
u32 offset = pch->nm_of_ch;
if (update) {
if (rtw_mbo_non_pref_chan_exist(pch, ch) == _FALSE) {
pch->chs[offset] = ch;
pch->nm_of_ch++;
}
} else {
pch->op_class = op_class;
pch->chs[0] = ch;
pch->preference = prefe;
pch->reason = res;
pch->nm_of_ch = 1;
}
}
static void rtw_mbo_non_pref_chans_update(
_adapter *padapter, u8 op_class, u8 ch, u8 prefe, u8 res)
{
struct rf_ctl_t *prfctl = adapter_to_rfctl(padapter);
struct npref_ch_rtp *pch_rpt = &(prfctl->ch_rtp);
struct npref_ch* pch;
if (pch_rpt->nm_of_rpt >= RTW_MBO_MAX_CH_RPT_NUM) {
RTW_ERR("MBO : %d non_pref_chan entries supported!",
RTW_MBO_MAX_CH_RPT_NUM);
return;
}
if (pch_rpt->nm_of_rpt == 0) {
pch = &pch_rpt->ch_rpt[0];
rtw_mbo_non_pref_chan_set(pch, op_class, ch, prefe, res, _FALSE);
pch_rpt->nm_of_rpt = 1;
return;
}
pch = rtw_mbo_non_pref_chan_get(padapter, op_class, prefe, res);
if (pch == NULL) {
pch = &pch_rpt->ch_rpt[pch_rpt->nm_of_rpt];
rtw_mbo_non_pref_chan_set(pch, op_class, ch, prefe, res, _FALSE);
pch_rpt->nm_of_rpt++;
} else
rtw_mbo_non_pref_chan_set(pch, op_class, ch, prefe, res, _TRUE);
rtw_mbo_non_pref_chans_dump(pch);
}
static void rtw_mbo_non_pref_chans_set(
_adapter *padapter, char *param, ssize_t sz)
{
char *pnext;
u32 op_class, ch, prefe, res;
int i = 0;
do {
pnext = strsep(&param, " ");
if (pnext == NULL)
break;
sscanf(pnext, "%d:%d:%d:%d", &op_class, &ch, &prefe, &res);
rtw_mbo_non_pref_chans_update(padapter, op_class, ch, prefe, res);
if ((i++) > 10) {
RTW_ERR("MBO : overflow %d \n", i);
break;
}
} while(param != '\0');
}
static void rtw_mbo_non_pref_chans_del(
_adapter *padapter, char *param, ssize_t sz)
{
struct rf_ctl_t *prfctl = adapter_to_rfctl(padapter);
struct npref_ch_rtp *prpt = &(prfctl->ch_rtp);
RTW_INFO("%s : delete non_pref_chan %s\n", __func__, param);
_rtw_memset(prpt, 0, sizeof(struct npref_ch_rtp));
}
ssize_t rtw_mbo_proc_non_pref_chans_set(
struct file *pfile, const char __user *buffer,
size_t count, loff_t *pos, void *pdata)
{
struct net_device *dev = pdata;
_adapter *padapter = (_adapter *)rtw_netdev_priv(dev);
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
u8 tmp[128] = {0};
if (count < 1)
return -EFAULT;
if (count > sizeof(tmp)) {
rtw_warn_on(1);
return -EFAULT;
}
if (buffer && !copy_from_user(tmp, buffer, count)) {
if (strncmp(tmp, "add", 3) == 0)
rtw_mbo_non_pref_chans_set(padapter, &tmp[4], (count - 4));
else if (strncmp(tmp, "delete", 6) == 0)
rtw_mbo_non_pref_chans_del(padapter, &tmp[7], (count - 7));
else {
RTW_ERR("MBO : Invalid format : echo [add|delete] <oper_class>:<chan>:<preference>:<reason>\n");
return -EFAULT;
}
}
#ifdef CONFIG_RTW_WNM
if (check_fwstate(pmlmepriv, WIFI_ASOC_STATE) &&
check_fwstate(pmlmepriv, WIFI_STATION_STATE))
rtw_wnm_issue_action(padapter, RTW_WLAN_ACTION_WNM_NOTIF_REQ, 0, 0);
#endif
return count;
}
int rtw_mbo_proc_non_pref_chans_get(
struct seq_file *m, void *v)
{
struct net_device *dev = m->private;
_adapter *padapter = (_adapter *)rtw_netdev_priv(dev);
struct rf_ctl_t *prfctl = adapter_to_rfctl(padapter);
struct npref_ch_rtp *prpt = &(prfctl->ch_rtp);
struct npref_ch* pch;
int i,j;
u8 buf[32] = {0};
RTW_PRINT_SEL(m, "op_class ch preference reason \n");
RTW_PRINT_SEL(m, "=======================================================\n");
if (prpt->nm_of_rpt == 0) {
RTW_PRINT_SEL(m, " empty table \n");
return 0;
}
for (i=0; i < prpt->nm_of_rpt; i++) {
pch = &prpt->ch_rpt[i];
buf[0]='\0';
for (j=0; j < pch->nm_of_ch; j++) {
if (j == 0)
rtw_sprintf(buf, 32, "%02u", pch->chs[j]);
else
rtw_sprintf(buf, 32, "%s,%02u", buf, pch->chs[j]);
}
RTW_PRINT_SEL(m, " %04u %20s %02u %02u\n",
pch->op_class, buf, pch->preference, pch->reason);
}
return 0;
}
ssize_t rtw_mbo_proc_cell_data_set(
struct file *pfile, const char __user *buffer,
size_t count, loff_t *pos, void *pdata)
{
struct net_device *dev = pdata;
_adapter *padapter = (_adapter *)rtw_netdev_priv(dev);
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
int mbo_cell_data = 0;
u8 tmp[8] = {0};
if (count < 1)
return -EFAULT;
if (count > sizeof(tmp))
return -EFAULT;
if (buffer && !copy_from_user(tmp, buffer, count)) {
int num = sscanf(tmp, "%d", &mbo_cell_data);
if (num == 1) {
rtw_mbo_cell_data_conn = mbo_cell_data;
#ifdef CONFIG_RTW_WNM
if (check_fwstate(pmlmepriv, WIFI_ASOC_STATE) &&
check_fwstate(pmlmepriv, WIFI_STATION_STATE))
rtw_wnm_issue_action(padapter, RTW_WLAN_ACTION_WNM_NOTIF_REQ, 0, 0);
#endif
}
}
return count;
}
int rtw_mbo_proc_cell_data_get(
struct seq_file *m, void *v)
{
#if 0
struct net_device *dev = m->private;
_adapter *adapter = (_adapter *)rtw_netdev_priv(dev);
#endif
RTW_PRINT_SEL(m, "Cellular Data Connectivity : %d\n", rtw_mbo_cell_data_conn);
return 0;
}
static void rtw_mbo_non_pref_chan_subelem_parsing(
_adapter *padapter, u8 *subelem, size_t subelem_len)
{
u8 *pnon_pref_chans;
u32 non_pref_chan_offset, op_subelem_len;
u32 oui_offset = 3;
/* wpa_supplicant don't apped OUI Type */
u32 oui_type_offset = 0;
RTW_MBO_DUMP("Non-preferred Channel subelem : ", subelem , subelem_len);
/* Subelem :
Vendor Specific | Length | WFA OUI | OUI Type | MBO Attributes */
non_pref_chan_offset = 2 + oui_offset + oui_type_offset;
pnon_pref_chans = subelem + non_pref_chan_offset;
op_subelem_len = subelem_len - non_pref_chan_offset;
/* wpa_supplicant don't indicate non_pref_chan length,
so we cannot get how many non_pref_chan in a wnm notification */
RTW_MBO_DUMP("Non-preferred Channel : ", pnon_pref_chans, op_subelem_len);
}
void rtw_mbo_wnm_notification_parsing(
_adapter *padapter, const u8 *pdata, size_t data_len)
{
u8 *paction;
u8 category, action, dialog, type;
u32 len;
if ((pdata == NULL) || (data_len == 0))
return;
RTW_MBO_DUMP("WNM notification data : ", pdata, data_len);
paction = (u8 *)pdata + sizeof(struct rtw_ieee80211_hdr_3addr);
category = paction[0];
action = paction[1];
dialog = paction[2];
type = paction[3];
if ((action == RTW_WLAN_ACTION_WNM_NOTIF_REQ) &&
(type == WLAN_EID_VENDOR_SPECIFIC)) {
rtw_mbo_non_pref_chan_subelem_parsing(padapter, &paction[4],
(data_len - sizeof(struct rtw_ieee80211_hdr_3addr)));
}
}
void rtw_mbo_build_wnm_notification(
_adapter *padapter, u8 **pframe, struct pkt_attrib *pattrib)
{
struct rf_ctl_t *prfctl = adapter_to_rfctl(padapter);
struct npref_ch_rtp *prpt = &(prfctl->ch_rtp);
struct npref_ch* pch;
u8 subelem_id = WLAN_EID_VENDOR_SPECIFIC;
u8 non_pref_ch_oui[] = {0x50, 0x6F, 0x9A, 0x2};
u8 cell_data_cap_oui[] = {0x50, 0x6F, 0x9A, 0x3};
u8 cell_data_con = rtw_mbo_cell_data_conn;
u8 len, cell_data_con_len = 0, *pcont = *pframe;
int i;
if (rtw_mbo_cell_data_conn > 0) {
len = 0x5;
*pframe = rtw_mbo_set_1byte_ie(*pframe, &subelem_id, &(pattrib->pktlen));
*pframe = rtw_mbo_set_1byte_ie(*pframe, &len, &(pattrib->pktlen));
*pframe = rtw_mbo_set_4byte_ie(*pframe, cell_data_cap_oui, &(pattrib->pktlen));
*pframe = rtw_mbo_set_1byte_ie(*pframe, &cell_data_con, &(pattrib->pktlen));
RTW_MBO_INFO("%s : Cellular Data Capabilities subelemen\n", __func__);
RTW_MBO_DUMP(":", pcont, len + 2);
pcont += len + 2 ;
}
if (prpt->nm_of_rpt == 0) {
len = 0x4;
*pframe = rtw_mbo_set_1byte_ie(*pframe, &subelem_id, &(pattrib->pktlen));
*pframe = rtw_mbo_set_1byte_ie(*pframe, &len, &(pattrib->pktlen));
*pframe = rtw_mbo_set_4byte_ie(*pframe, non_pref_ch_oui, &(pattrib->pktlen));
RTW_MBO_INFO("%s :Non-preferred Channel Report subelement without data\n", __func__);
return;
}
for (i=0; i < prpt->nm_of_rpt; i++) {
pch = &prpt->ch_rpt[i];
/* OUI(3B) + OUT-type(1B) + op-class(1B) + ch list(nB)
+ Preference(1B) + reason(1B) */
len = pch->nm_of_ch + 7;
*pframe = rtw_mbo_set_1byte_ie(*pframe, &subelem_id, &(pattrib->pktlen));
*pframe = rtw_mbo_set_1byte_ie(*pframe, &len, &(pattrib->pktlen));
*pframe = rtw_mbo_set_4byte_ie(*pframe, non_pref_ch_oui, &(pattrib->pktlen));
*pframe = rtw_mbo_set_1byte_ie(*pframe, &pch->op_class, &(pattrib->pktlen));
*pframe = rtw_mbo_set_nbyte_ie(*pframe, pch->nm_of_ch, pch->chs, &(pattrib->pktlen));
*pframe = rtw_mbo_set_1byte_ie(*pframe, &pch->preference, &(pattrib->pktlen));
*pframe = rtw_mbo_set_1byte_ie(*pframe, &pch->reason, &(pattrib->pktlen));
RTW_MBO_INFO("%s :Non-preferred Channel Report subelement\n", __func__);
RTW_MBO_DUMP(":", pcont, len);
pcont = *pframe;
}
}
void rtw_mbo_build_probe_req_ies(
_adapter *padapter, u8 **pframe, struct pkt_attrib *pattrib)
{
u32 len =0;
rtw_mbo_build_exented_cap(padapter, pframe, pattrib);
len = rtw_mbo_attr_sz_get(padapter, RTW_MBO_ATTR_CELL_DATA_CAP_ID);
if ((len == 0) || (len > 3)) {
RTW_ERR("MBO : build Cellular Data Capabilities attribute fail(len=%u)\n", len);
return;
}
rtw_mbo_build_mbo_ie_hdr(pframe, pattrib, len);
rtw_mbo_build_cell_data_cap_attr(padapter, pframe, pattrib);
}
void rtw_mbo_build_assoc_req_ies(
_adapter *padapter, u8 **pframe, struct pkt_attrib *pattrib)
{
u32 len = 0;
rtw_mbo_build_supp_op_class_elem(padapter, pframe, pattrib);
len += rtw_mbo_attr_sz_get(padapter, RTW_MBO_ATTR_CELL_DATA_CAP_ID);
len += rtw_mbo_attr_sz_get(padapter, RTW_MBO_ATTR_NPREF_CH_RPT_ID);
if ((len == 0)|| (len < 3)) {
RTW_ERR("MBO : build assoc MBO IE fail(len=%u)\n", len);
return;
}
rtw_mbo_build_mbo_ie_hdr(pframe, pattrib, len);
rtw_mbo_build_cell_data_cap_attr(padapter, pframe, pattrib);
rtw_mbo_build_npref_ch_rpt_attr(padapter, pframe, pattrib);
}
#endif /* CONFIG_RTW_MBO */
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