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8821cu-20210916
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8821cu-20210916/core/rtw_ft.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_80211R
#ifndef RTW_FT_DBG
#define RTW_FT_DBG 0
#endif
#if RTW_FT_DBG
#define RTW_FT_INFO(fmt, arg...) \
RTW_INFO(fmt, arg)
#define RTW_FT_DUMP(str, data, len) \
RTW_INFO_DUMP(str, data, len)
#else
#define RTW_FT_INFO(fmt, arg...) do {} while (0)
#define RTW_FT_DUMP(str, data, len) do {} while (0)
#endif
void rtw_ft_info_init(struct ft_roam_info *pft)
{
_rtw_memset(pft, 0, sizeof(struct ft_roam_info));
pft->ft_flags = 0
| RTW_FT_EN
/* | RTW_FT_OTD_EN */
#ifdef CONFIG_RTW_BTM_ROAM
| RTW_FT_BTM_ROAM
#endif
;
pft->ft_updated_bcn = _FALSE;
RTW_FT_INFO("%s : ft_flags=0x%02x\n", __func__, pft->ft_flags);
}
ssize_t rtw_ft_proc_flags_set(struct file *file,
const char __user *buffer, size_t count, loff_t *pos, void *data)
{
struct net_device *dev = data;
_adapter *adapter = (_adapter *)rtw_netdev_priv(dev);
char tmp[32];
u8 flags;
if (count < 1)
return -EFAULT;
if (count > sizeof(tmp)) {
rtw_warn_on(1);
return -EFAULT;
}
if (buffer && !copy_from_user(tmp, buffer, count)) {
int num = sscanf(tmp, "%hhx", &flags);
if (num == 1)
adapter->mlmepriv.ft_roam.ft_flags = flags;
}
return count;
}
int rtw_ft_proc_flags_get(struct seq_file *m, void *v)
{
struct net_device *dev = m->private;
_adapter *adapter = (_adapter *)rtw_netdev_priv(dev);
RTW_PRINT_SEL(m, "0x%02x\n", adapter->mlmepriv.ft_roam.ft_flags);
return 0;
}
u8 rtw_ft_chk_roaming_candidate(
_adapter *padapter, struct wlan_network *competitor)
{
u8 *pmdie;
u32 mdie_len = 0;
struct ft_roam_info *pft_roam = &(padapter->mlmepriv.ft_roam);
if (!(pmdie = rtw_get_ie(&competitor->network.IEs[12],
_MDIE_, &mdie_len, competitor->network.IELength-12))) {
RTW_INFO("FT : MDIE not foud in competitor!\n");
return _FALSE;
}
if (!_rtw_memcmp(&pft_roam->mdid, (pmdie+2), 2)) {
RTW_INFO("FT : unmatched MDIE!\n");
return _FALSE;
}
/*The candidate don't support over-the-DS*/
if (rtw_ft_valid_otd_candidate(padapter, pmdie)) {
RTW_INFO("FT: ignore the candidate("
MAC_FMT ") for over-the-DS\n",
MAC_ARG(competitor->network.MacAddress));
/* rtw_ft_clr_flags(padapter, RTW_FT_PEER_OTD_EN); */
return _FALSE;
}
if (rtw_ft_chk_flags(padapter, RTW_FT_TEST_RSSI_ROAM)) {
if (!_rtw_memcmp(padapter->mlmepriv.cur_network.network.MacAddress,
competitor->network.MacAddress, ETH_ALEN) ) {
competitor->network.Rssi +=20;
RTW_FT_INFO("%s : update "MAC_FMT" RSSI to %d for RTW_FT_TEST_RSSI_ROAM\n",
__func__, MAC_ARG(competitor->network.MacAddress),
(int)competitor->network.Rssi);
rtw_ft_clr_flags(padapter, RTW_FT_TEST_RSSI_ROAM);
}
}
return _TRUE;
}
void rtw_ft_update_stainfo(_adapter *padapter, WLAN_BSSID_EX *pnetwork)
{
struct sta_priv *pstapriv = &padapter->stapriv;
struct sta_info *psta = NULL;
psta = rtw_get_stainfo(pstapriv, pnetwork->MacAddress);
if (psta == NULL)
psta = rtw_alloc_stainfo(pstapriv, pnetwork->MacAddress);
if (padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) {
padapter->securitypriv.binstallGrpkey = _FALSE;
padapter->securitypriv.busetkipkey = _FALSE;
padapter->securitypriv.bgrpkey_handshake = _FALSE;
psta->ieee8021x_blocked = _TRUE;
psta->dot118021XPrivacy = padapter->securitypriv.dot11PrivacyAlgrthm;
_rtw_memset((u8 *)&psta->dot118021x_UncstKey, 0, sizeof(union Keytype));
_rtw_memset((u8 *)&psta->dot11tkiprxmickey, 0, sizeof(union Keytype));
_rtw_memset((u8 *)&psta->dot11tkiptxmickey, 0, sizeof(union Keytype));
}
}
void rtw_ft_reassoc_event_callback(_adapter *padapter, u8 *pbuf)
{
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
struct stassoc_event *pstassoc = (struct stassoc_event *)pbuf;
struct ft_roam_info *pft_roam = &(pmlmepriv->ft_roam);
struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
WLAN_BSSID_EX *pnetwork = (WLAN_BSSID_EX *)&(pmlmeinfo->network);
struct cfg80211_ft_event_params ft_evt_parms;
_irqL irqL;
_rtw_memset(&ft_evt_parms, 0, sizeof(ft_evt_parms));
rtw_ft_update_stainfo(padapter, pnetwork);
ft_evt_parms.ies_len = pft_roam->ft_event.ies_len;
ft_evt_parms.ies = rtw_zmalloc(ft_evt_parms.ies_len);
if (ft_evt_parms.ies)
_rtw_memcpy((void *)ft_evt_parms.ies, pft_roam->ft_event.ies, ft_evt_parms.ies_len);
else
goto err_2;
ft_evt_parms.target_ap = rtw_zmalloc(ETH_ALEN);
if (ft_evt_parms.target_ap)
_rtw_memcpy((void *)ft_evt_parms.target_ap, pstassoc->macaddr, ETH_ALEN);
else
goto err_1;
ft_evt_parms.ric_ies = pft_roam->ft_event.ric_ies;
ft_evt_parms.ric_ies_len = pft_roam->ft_event.ric_ies_len;
/* It's a KERNEL issue between v4.11 ~ v4.16,
* <= v4.10, NLMSG_DEFAULT_SIZE is used for nlmsg_new().
* v4.11 ~ v4.16, only used "100 + >ric_ies_len" for nlmsg_new()
* even then DRIVER don't support RIC.
* >= v4.17, issue should correct as "100 + ies_len + ric_ies_len".
*/
#if ((LINUX_VERSION_CODE >= KERNEL_VERSION(4, 11, 0)) && \
(LINUX_VERSION_CODE < KERNEL_VERSION(4, 17, 0)))
if (!ft_evt_parms.ric_ies_len)
ft_evt_parms.ric_ies_len = ft_evt_parms.ies_len;
else
ft_evt_parms.ric_ies_len += ft_evt_parms.ies_len;
#endif
rtw_ft_lock_set_status(padapter, RTW_FT_AUTHENTICATED_STA, &irqL);
rtw_cfg80211_ft_event(padapter, &ft_evt_parms);
RTW_INFO("%s: to "MAC_FMT"\n", __func__, MAC_ARG(ft_evt_parms.target_ap));
rtw_mfree((u8 *)pft_roam->ft_event.target_ap, ETH_ALEN);
err_1:
rtw_mfree((u8 *)ft_evt_parms.ies, ft_evt_parms.ies_len);
err_2:
return;
}
void rtw_ft_validate_akm_type(_adapter *padapter,
struct wlan_network *pnetwork)
{
struct security_priv *psecuritypriv = &(padapter->securitypriv);
struct ft_roam_info *pft_roam = &(padapter->mlmepriv.ft_roam);
u32 tmp_len;
u8 *ptmp;
/*IEEE802.11-2012 Std. Table 8-101-AKM suite selectors*/
if (rtw_ft_valid_akm(padapter, psecuritypriv->rsn_akm_suite_type)) {
ptmp = rtw_get_ie(&pnetwork->network.IEs[12],
_MDIE_, &tmp_len, (pnetwork->network.IELength-12));
if (ptmp) {
pft_roam->mdid = *(u16 *)(ptmp+2);
pft_roam->ft_cap = *(ptmp+4);
RTW_INFO("FT: target " MAC_FMT " mdid=(0x%2x), capacity=(0x%2x)\n",
MAC_ARG(pnetwork->network.MacAddress), pft_roam->mdid, pft_roam->ft_cap);
rtw_ft_set_flags(padapter, RTW_FT_PEER_EN);
RTW_FT_INFO("%s : peer support FTOTA(0x%02x)\n", __func__, pft_roam->ft_flags);
if (rtw_ft_otd_roam_en(padapter)) {
rtw_ft_set_flags(padapter, RTW_FT_PEER_OTD_EN);
RTW_FT_INFO("%s : peer support FTOTD(0x%02x)\n", __func__, pft_roam->ft_flags);
}
} else {
/* Don't use FT roaming if target AP cannot support FT */
rtw_ft_clr_flags(padapter, (RTW_FT_PEER_EN|RTW_FT_PEER_OTD_EN));
rtw_ft_reset_status(padapter);
}
} else {
/* It could be a non-FT connection */
rtw_ft_clr_flags(padapter, (RTW_FT_PEER_EN|RTW_FT_PEER_OTD_EN));
rtw_ft_reset_status(padapter);
}
RTW_FT_INFO("%s : ft_flags=0x%02x\n", __func__, pft_roam->ft_flags);
}
void rtw_ft_update_bcn(_adapter *padapter, union recv_frame *precv_frame)
{
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
u8 *pframe = precv_frame->u.hdr.rx_data;
uint len = precv_frame->u.hdr.len;
WLAN_BSSID_EX *pbss;
if (rtw_ft_chk_status(padapter,RTW_FT_ASSOCIATED_STA)
&& (pmlmepriv->ft_roam.ft_updated_bcn == _FALSE)) {
pbss = (WLAN_BSSID_EX*)rtw_malloc(sizeof(WLAN_BSSID_EX));
if (pbss) {
if (collect_bss_info(padapter, precv_frame, pbss) == _SUCCESS) {
struct beacon_keys recv_beacon;
update_network(&(pmlmepriv->cur_network.network), pbss, padapter, _TRUE);
/* Move into rtw_get_bcn_keys */
/* rtw_get_bcn_info(&(pmlmepriv->cur_network)); */
/* update bcn keys */
if (rtw_get_bcn_keys(padapter, pframe, len, &recv_beacon) == _TRUE) {
RTW_FT_INFO("%s: beacon keys ready\n", __func__);
_rtw_memcpy(&pmlmepriv->cur_beacon_keys,
&recv_beacon, sizeof(recv_beacon));
if (is_hidden_ssid(recv_beacon.ssid, recv_beacon.ssid_len)) {
_rtw_memcpy(pmlmepriv->cur_beacon_keys.ssid, pmlmeinfo->network.Ssid.Ssid, IW_ESSID_MAX_SIZE);
pmlmepriv->cur_beacon_keys.ssid_len = pmlmeinfo->network.Ssid.SsidLength;
}
} else {
RTW_ERR("%s: get beacon keys failed\n", __func__);
_rtw_memset(&pmlmepriv->cur_beacon_keys, 0, sizeof(recv_beacon));
}
#ifdef CONFIG_BCN_CNT_CONFIRM_HDL
pmlmepriv->new_beacon_cnts = 0;
#endif
}
rtw_mfree((u8*)pbss, sizeof(WLAN_BSSID_EX));
}
/* check the vendor of the assoc AP */
pmlmeinfo->assoc_AP_vendor =
check_assoc_AP(pframe+sizeof(struct rtw_ieee80211_hdr_3addr),
(len - sizeof(struct rtw_ieee80211_hdr_3addr)));
/* update TSF Value */
update_TSF(pmlmeext, pframe, len);
pmlmeext->bcn_cnt = 0;
pmlmeext->last_bcn_cnt = 0;
pmlmepriv->ft_roam.ft_updated_bcn = _TRUE;
}
}
void rtw_ft_start_clnt_join(_adapter *padapter)
{
struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
struct ft_roam_info *pft_roam = &(pmlmepriv->ft_roam);
if (rtw_ft_otd_roam(padapter)) {
pmlmeinfo->state = WIFI_FW_AUTH_SUCCESS | WIFI_FW_STATION_STATE;
pft_roam->ft_event.ies =
(pft_roam->ft_action + sizeof(struct rtw_ieee80211_hdr_3addr) + 16);
pft_roam->ft_event.ies_len =
(pft_roam->ft_action_len - sizeof(struct rtw_ieee80211_hdr_3addr));
/*Not support RIC*/
pft_roam->ft_event.ric_ies = NULL;
pft_roam->ft_event.ric_ies_len = 0;
rtw_ft_report_evt(padapter);
return;
}
pmlmeinfo->state = WIFI_FW_AUTH_NULL | WIFI_FW_STATION_STATE;
start_clnt_auth(padapter);
}
u8 rtw_ft_update_rsnie(
_adapter *padapter, u8 bwrite,
struct pkt_attrib *pattrib, u8 **pframe)
{
struct ft_roam_info *pft_roam = &(padapter->mlmepriv.ft_roam);
u8 *pie;
u32 len;
pie = rtw_get_ie(pft_roam->updated_ft_ies, EID_WPA2, &len,
pft_roam->updated_ft_ies_len);
if (!bwrite)
return (pie)?_SUCCESS:_FAIL;
if (pie) {
*pframe = rtw_set_ie(((u8 *)*pframe), EID_WPA2, len,
pie+2, &(pattrib->pktlen));
} else
return _FAIL;
return _SUCCESS;
}
static u8 rtw_ft_update_mdie(
_adapter *padapter, struct pkt_attrib *pattrib, u8 **pframe)
{
struct ft_roam_info *pft_roam = &(padapter->mlmepriv.ft_roam);
u8 *pie, mdie[3];
u32 len = 3;
if (rtw_ft_roam(padapter)) {
if ((pie = rtw_get_ie(pft_roam->updated_ft_ies, _MDIE_,
&len, pft_roam->updated_ft_ies_len))) {
pie = (pie + 2); /* ignore md-id & length */
} else
return _FAIL;
} else {
*((u16 *)&mdie[0]) = pft_roam->mdid;
mdie[2] = pft_roam->ft_cap;
pie = &mdie[0];
}
*pframe = rtw_set_ie(((u8 *)*pframe), _MDIE_, len , pie, &(pattrib->pktlen));
return _SUCCESS;
}
static u8 rtw_ft_update_ftie(
_adapter *padapter, struct pkt_attrib *pattrib, u8 **pframe)
{
struct ft_roam_info *pft_roam = &(padapter->mlmepriv.ft_roam);
u8 *pie;
u32 len;
if ((pie = rtw_get_ie(pft_roam->updated_ft_ies, _FTIE_, &len,
pft_roam->updated_ft_ies_len)) != NULL) {
*pframe = rtw_set_ie(*pframe, _FTIE_, len ,
(pie+2), &(pattrib->pktlen));
} else
return _FAIL;
return _SUCCESS;
}
void rtw_ft_build_auth_req_ies(_adapter *padapter,
struct pkt_attrib *pattrib, u8 **pframe)
{
u8 ftie_append = _TRUE;
if (!pattrib || !(*pframe))
return;
if (!rtw_ft_roam(padapter))
return;
ftie_append = rtw_ft_update_rsnie(padapter, _TRUE, pattrib, pframe);
rtw_ft_update_mdie(padapter, pattrib, pframe);
if (ftie_append)
rtw_ft_update_ftie(padapter, pattrib, pframe);
}
void rtw_ft_build_assoc_req_ies(_adapter *padapter,
u8 is_reassoc, struct pkt_attrib *pattrib, u8 **pframe)
{
if (!pattrib || !(*pframe))
return;
if (rtw_ft_chk_flags(padapter, RTW_FT_PEER_EN))
rtw_ft_update_mdie(padapter, pattrib, pframe);
if ((!is_reassoc) || (!rtw_ft_roam(padapter)))
return;
if (rtw_ft_update_rsnie(padapter, _FALSE, pattrib, pframe))
rtw_ft_update_ftie(padapter, pattrib, pframe);
}
u8 rtw_ft_update_auth_rsp_ies(_adapter *padapter, u8 *pframe, u32 len)
{
u8 ret = _SUCCESS;
u8 target_ap_addr[ETH_ALEN] = {0};
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
struct ft_roam_info *pft_roam = &(pmlmepriv->ft_roam);
if (!rtw_ft_roam(padapter))
return _FAIL;
/*rtw_ft_report_reassoc_evt already,
* and waiting for cfg80211_rtw_update_ft_ies */
if (rtw_ft_authed_sta(padapter))
return ret;
if (!pframe || !len)
return _FAIL;
rtw_buf_update(&pmlmepriv->auth_rsp,
&pmlmepriv->auth_rsp_len, pframe, len);
pft_roam->ft_event.ies =
(pmlmepriv->auth_rsp + sizeof(struct rtw_ieee80211_hdr_3addr) + 6);
pft_roam->ft_event.ies_len =
(pmlmepriv->auth_rsp_len - sizeof(struct rtw_ieee80211_hdr_3addr) - 6);
/*Not support RIC*/
pft_roam->ft_event.ric_ies = NULL;
pft_roam->ft_event.ric_ies_len = 0;
_rtw_memcpy(target_ap_addr, pmlmepriv->assoc_bssid, ETH_ALEN);
rtw_ft_report_reassoc_evt(padapter, target_ap_addr);
return ret;
}
static void rtw_ft_start_clnt_action(_adapter *padapter, u8 *pTargetAddr)
{
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
rtw_ft_set_status(padapter, RTW_FT_REQUESTING_STA);
rtw_ft_issue_action_req(padapter, pTargetAddr);
_set_timer(&pmlmeext->ft_link_timer, REASSOC_TO);
}
void rtw_ft_start_roam(_adapter *padapter, u8 *pTargetAddr)
{
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
if (rtw_ft_otd_roam(padapter)) {
RTW_FT_INFO("%s : try OTD roaming\n", __func__);
rtw_ft_start_clnt_action(padapter, pTargetAddr);
} else {
/*wait a little time to retrieve packets buffered in the current ap while scan*/
RTW_FT_INFO("%s : start roaming timer\n", __func__);
_set_timer(&pmlmeext->ft_roam_timer, 30);
}
}
void rtw_ft_issue_action_req(_adapter *padapter, u8 *pTargetAddr)
{
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
struct xmit_priv *pxmitpriv = &(padapter->xmitpriv);
struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
struct xmit_frame *pmgntframe;
struct rtw_ieee80211_hdr *pwlanhdr;
struct pkt_attrib *pattrib;
u8 *pframe;
u8 category = RTW_WLAN_CATEGORY_FT;
u8 action = RTW_WLAN_ACTION_FT_REQ;
pmgntframe = alloc_mgtxmitframe(pxmitpriv);
if (pmgntframe == NULL)
return;
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;
pwlanhdr->frame_ctl = 0;
_rtw_memcpy(pwlanhdr->addr1, get_my_bssid(&pmlmeinfo->network), ETH_ALEN);
_rtw_memcpy(pwlanhdr->addr2, adapter_mac_addr(padapter), ETH_ALEN);
_rtw_memcpy(pwlanhdr->addr3, get_my_bssid(&pmlmeinfo->network), 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));
_rtw_memcpy(pframe, adapter_mac_addr(padapter), ETH_ALEN);
pframe += ETH_ALEN;
pattrib->pktlen += ETH_ALEN;
_rtw_memcpy(pframe, pTargetAddr, ETH_ALEN);
pframe += ETH_ALEN;
pattrib->pktlen += ETH_ALEN;
rtw_ft_update_mdie(padapter, pattrib, &pframe);
if (rtw_ft_update_rsnie(padapter, _TRUE, pattrib, &pframe))
rtw_ft_update_ftie(padapter, pattrib, &pframe);
RTW_INFO("FT : issue RTW_WLAN_ACTION_FT_REQ\n");
pattrib->last_txcmdsz = pattrib->pktlen;
dump_mgntframe(padapter, pmgntframe);
}
void rtw_ft_report_evt(_adapter *padapter)
{
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
struct ft_roam_info *pft_roam = &(pmlmepriv->ft_roam);
struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
WLAN_BSSID_EX *pnetwork = (WLAN_BSSID_EX *)&(pmlmeinfo->network);
struct cfg80211_ft_event_params ft_evt_parms;
_irqL irqL;
_rtw_memset(&ft_evt_parms, 0, sizeof(ft_evt_parms));
rtw_ft_update_stainfo(padapter, pnetwork);
if (!pnetwork)
goto err_2;
ft_evt_parms.ies_len = pft_roam->ft_event.ies_len;
ft_evt_parms.ies = rtw_zmalloc(ft_evt_parms.ies_len);
if (ft_evt_parms.ies)
_rtw_memcpy((void *)ft_evt_parms.ies, pft_roam->ft_event.ies, ft_evt_parms.ies_len);
else
goto err_2;
ft_evt_parms.target_ap = rtw_zmalloc(ETH_ALEN);
if (ft_evt_parms.target_ap)
_rtw_memcpy((void *)ft_evt_parms.target_ap, pnetwork->MacAddress, ETH_ALEN);
else
goto err_1;
ft_evt_parms.ric_ies = pft_roam->ft_event.ric_ies;
ft_evt_parms.ric_ies_len = pft_roam->ft_event.ric_ies_len;
/* It's a KERNEL issue between v4.11 ~ v4.16,
* <= v4.10, NLMSG_DEFAULT_SIZE is used for nlmsg_new().
* v4.11 ~ v4.16, only used "100 + >ric_ies_len" for nlmsg_new()
* even then DRIVER don't support RIC.
* >= v4.17, issue should correct as "100 + ies_len + ric_ies_len".
*/
#if ((LINUX_VERSION_CODE >= KERNEL_VERSION(4, 11, 0)) && \
(LINUX_VERSION_CODE < KERNEL_VERSION(4, 17, 0)))
ft_evt_parms.ric_ies_len = (ft_evt_parms.ies_len <= 100 )?
(0):(ft_evt_parms.ies_len - 100);
#endif
rtw_ft_lock_set_status(padapter, RTW_FT_AUTHENTICATED_STA, &irqL);
rtw_cfg80211_ft_event(padapter, &ft_evt_parms);
RTW_INFO("FT: rtw_ft_report_evt\n");
rtw_mfree((u8 *)pft_roam->ft_event.target_ap, ETH_ALEN);
err_1:
rtw_mfree((u8 *)ft_evt_parms.ies, ft_evt_parms.ies_len);
err_2:
return;
}
void rtw_ft_report_reassoc_evt(_adapter *padapter, u8 *pMacAddr)
{
struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
struct cmd_priv *pcmdpriv = &(padapter->cmdpriv);
struct cmd_obj *pcmd_obj = NULL;
struct stassoc_event *passoc_sta_evt = NULL;
struct rtw_evt_header *evt_hdr = NULL;
u8 *pevtcmd = NULL;
u32 cmdsz = 0;
pcmd_obj = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj));
if (pcmd_obj == NULL)
return;
cmdsz = (sizeof(struct stassoc_event) + sizeof(struct rtw_evt_header));
pevtcmd = (u8 *)rtw_zmalloc(cmdsz);
if (pevtcmd == NULL) {
rtw_mfree((u8 *)pcmd_obj, sizeof(struct cmd_obj));
return;
}
_rtw_init_listhead(&pcmd_obj->list);
pcmd_obj->cmdcode = CMD_SET_MLME_EVT;
pcmd_obj->cmdsz = cmdsz;
pcmd_obj->parmbuf = pevtcmd;
pcmd_obj->rsp = NULL;
pcmd_obj->rspsz = 0;
evt_hdr = (struct rtw_evt_header *)(pevtcmd);
evt_hdr->len = sizeof(struct stassoc_event);
evt_hdr->id = EVT_FT_REASSOC;
evt_hdr->seq = ATOMIC_INC_RETURN(&pmlmeext->event_seq);
passoc_sta_evt = (struct stassoc_event *)(pevtcmd + sizeof(struct rtw_evt_header));
_rtw_memcpy((unsigned char *)(&(passoc_sta_evt->macaddr)), pMacAddr, ETH_ALEN);
rtw_enqueue_cmd(pcmdpriv, pcmd_obj);
}
void rtw_ft_link_timer_hdl(void *ctx)
{
_adapter *padapter = (_adapter *)ctx;
struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
struct ft_roam_info *pft_roam = &(pmlmepriv->ft_roam);
if (rtw_ft_chk_status(padapter, RTW_FT_REQUESTING_STA)) {
if (pft_roam->ft_req_retry_cnt < RTW_FT_ACTION_REQ_LMT) {
pft_roam->ft_req_retry_cnt++;
rtw_ft_issue_action_req(padapter, (u8 *)pmlmepriv->roam_network->network.MacAddress);
_set_timer(&pmlmeext->ft_link_timer, REASSOC_TO);
} else {
pft_roam->ft_req_retry_cnt = 0;
if (pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS)
rtw_ft_set_status(padapter, RTW_FT_ASSOCIATED_STA);
else
rtw_ft_reset_status(padapter);
}
}
}
void rtw_ft_roam_timer_hdl(void *ctx)
{
_adapter *padapter = (_adapter *)ctx;
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
RTW_FT_INFO("%s : try roaming\n", __func__);
receive_disconnect(padapter, pmlmepriv->cur_network.network.MacAddress
, WLAN_REASON_ACTIVE_ROAM, _FALSE);
}
void rtw_ft_roam_status_reset(_adapter *padapter)
{
struct ft_roam_info *pft_roam = &(padapter->mlmepriv.ft_roam);
if ((rtw_to_roam(padapter) > 0) &&
(!rtw_ft_chk_status(padapter, RTW_FT_REQUESTED_STA))) {
rtw_ft_reset_status(padapter);
}
padapter->mlmepriv.ft_roam.ft_updated_bcn = _FALSE;
}
#endif /* CONFIG_RTW_80211R */
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