/******************************************************************************
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*
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* Copyright(c) 2007 - 2017 Realtek Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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*****************************************************************************/
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#include <drv_types.h>
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#ifdef CONFIG_RTW_80211R
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#ifndef RTW_FT_DBG
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#define RTW_FT_DBG 0
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#endif
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#if RTW_FT_DBG
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#define RTW_FT_INFO(fmt, arg...) \
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RTW_INFO(fmt, arg)
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#define RTW_FT_DUMP(str, data, len) \
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RTW_INFO_DUMP(str, data, len)
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#else
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#define RTW_FT_INFO(fmt, arg...) do {} while (0)
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#define RTW_FT_DUMP(str, data, len) do {} while (0)
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#endif
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void rtw_ft_info_init(struct ft_roam_info *pft)
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{
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_rtw_memset(pft, 0, sizeof(struct ft_roam_info));
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pft->ft_flags = 0
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| RTW_FT_EN
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| RTW_FT_OTD_EN
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#ifdef CONFIG_RTW_BTM_ROAM
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| RTW_FT_BTM_ROAM
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#endif
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;
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pft->ft_updated_bcn = _FALSE;
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RTW_FT_INFO("%s : ft_flags=0x%02x\n", __func__, pft->ft_flags);
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}
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ssize_t rtw_ft_proc_flags_set(struct file *file,
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const char __user *buffer, size_t count, loff_t *pos, void *data)
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{
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struct net_device *dev = data;
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_adapter *adapter = (_adapter *)rtw_netdev_priv(dev);
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char tmp[32];
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u8 flags;
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if (count < 1)
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return -EFAULT;
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if (count > sizeof(tmp)) {
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rtw_warn_on(1);
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return -EFAULT;
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}
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if (buffer && !copy_from_user(tmp, buffer, count)) {
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int num = sscanf(tmp, "%hhx", &flags);
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if (num == 1)
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adapter->mlmepriv.ft_roam.ft_flags = flags;
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}
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return count;
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}
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int rtw_ft_proc_flags_get(struct seq_file *m, void *v)
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{
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struct net_device *dev = m->private;
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_adapter *adapter = (_adapter *)rtw_netdev_priv(dev);
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RTW_PRINT_SEL(m, "0x%02x\n", adapter->mlmepriv.ft_roam.ft_flags);
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return 0;
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}
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u8 rtw_ft_chk_roaming_candidate(
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_adapter *padapter, struct wlan_network *competitor)
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{
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u8 *pmdie;
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u32 mdie_len = 0;
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struct ft_roam_info *pft_roam = &(padapter->mlmepriv.ft_roam);
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/* ToDo CONFIG_RTW_MLD: [currently primary link only] */
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struct _ADAPTER_LINK *padapter_link = GET_PRIMARY_LINK(padapter);
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if (!(pmdie = rtw_get_ie(&competitor->network.IEs[12], _MDIE_,
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&mdie_len, competitor->network.IELength-12))) {
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RTW_INFO("FT : MDIE not foud in competitor!\n");
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return _FALSE;
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}
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if (!_rtw_memcmp(&pft_roam->mdid, (pmdie+2), 2)) {
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RTW_INFO("FT : unmatched MDIE!\n");
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return _FALSE;
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}
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/*The candidate don't support over-the-DS*/
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if (rtw_ft_valid_otd_candidate(padapter, pmdie)) {
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RTW_INFO("FT: ignore the candidate("
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MAC_FMT ") for over-the-DS\n",
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MAC_ARG(competitor->network.MacAddress));
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/* rtw_ft_clr_flags(padapter, RTW_FT_PEER_OTD_EN); */
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return _FALSE;
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}
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if (rtw_ft_chk_flags(padapter, RTW_FT_TEST_RSSI_ROAM)) {
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if (!_rtw_memcmp(
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padapter_link->mlmepriv.cur_network.network.MacAddress,
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competitor->network.MacAddress, ETH_ALEN)) {
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competitor->network.PhyInfo.rssi +=20;
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RTW_FT_INFO("%s : update "MAC_FMT
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" RSSI to %d for RTW_FT_TEST_RSSI_ROAM\n",
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__func__, MAC_ARG(competitor->network.MacAddress),
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(int)competitor->network.PhyInfo.rssi);
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rtw_ft_clr_flags(padapter, RTW_FT_TEST_RSSI_ROAM);
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}
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}
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return _TRUE;
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}
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void rtw_ft_update_stainfo(_adapter *padapter, struct _ADAPTER_LINK *padapter_link, WLAN_BSSID_EX *pnetwork)
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{
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struct sta_priv *pstapriv = &padapter->stapriv;
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struct sta_info *psta = NULL;
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struct rtw_phl_mld_t *pmld = NULL;
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psta = rtw_get_stainfo(pstapriv, pnetwork->MacAddress);
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if (psta == NULL) {
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pmld = rtw_phl_alloc_mld(GET_PHL_INFO(adapter_to_dvobj(padapter)),
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padapter->phl_role, pnetwork->MacAddress, DTYPE);
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/* main_id is don't care for self sta */
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psta = rtw_alloc_stainfo(pstapriv, pnetwork->MacAddress, DTYPE, 0,
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padapter_link->wrlink->id, PHL_CMD_DIRECTLY);
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}
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if (padapter->securitypriv.dot11AuthAlgrthm ==
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dot11AuthAlgrthm_8021X) {
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padapter_link->securitypriv.binstallGrpkey = _FALSE;
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padapter_link->securitypriv.bgrpkey_handshake = _FALSE;
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padapter->securitypriv.busetkipkey = _FALSE;
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psta->ieee8021x_blocked = _TRUE;
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psta->dot118021XPrivacy = \
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padapter->securitypriv.dot11PrivacyAlgrthm;
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_rtw_memset((u8 *)&psta->dot118021x_UncstKey,
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0, sizeof(union Keytype));
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_rtw_memset((u8 *)&psta->dot11tkiprxmickey,
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0, sizeof(union Keytype));
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_rtw_memset((u8 *)&psta->dot11tkiptxmickey,
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0, sizeof(union Keytype));
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}
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}
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void rtw_ft_reassoc_event_callback(_adapter *padapter, u8 *pbuf)
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{
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struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
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struct stassoc_event *pstassoc = (struct stassoc_event *)pbuf;
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struct ft_roam_info *pft_roam = &(pmlmepriv->ft_roam);
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/* ToDo CONFIG_RTW_MLD: [currently primary link only] */
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struct _ADAPTER_LINK *padapter_link = GET_PRIMARY_LINK(padapter);
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struct link_mlme_ext_priv *pmlmeext = &(padapter_link->mlmeextpriv);
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struct link_mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
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WLAN_BSSID_EX *pnetwork = (WLAN_BSSID_EX *)&(pmlmeinfo->network);
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struct cfg80211_ft_event_params ft_evt_parms;
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_rtw_memset(&ft_evt_parms, 0, sizeof(ft_evt_parms));
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rtw_ft_update_stainfo(padapter, padapter_link, pnetwork);
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ft_evt_parms.ies_len = pft_roam->ft_event.ies_len;
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ft_evt_parms.ies = rtw_zmalloc(ft_evt_parms.ies_len);
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if (ft_evt_parms.ies) {
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_rtw_memcpy((void *)ft_evt_parms.ies,
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pft_roam->ft_event.ies, ft_evt_parms.ies_len);
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} else
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goto err_2;
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ft_evt_parms.target_ap = rtw_zmalloc(ETH_ALEN);
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if (ft_evt_parms.target_ap) {
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_rtw_memcpy((void *)ft_evt_parms.target_ap,
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pstassoc->macaddr, ETH_ALEN);
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} else
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goto err_1;
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ft_evt_parms.ric_ies = pft_roam->ft_event.ric_ies;
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ft_evt_parms.ric_ies_len = pft_roam->ft_event.ric_ies_len;
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/* It's a KERNEL issue between v4.11 ~ v4.16,
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* <= v4.10, NLMSG_DEFAULT_SIZE is used for nlmsg_new().
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* v4.11 ~ v4.16, only used "100 + >ric_ies_len" for nlmsg_new()
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* even then DRIVER don't support RIC.
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* >= v4.17, issue should correct as "100 + ies_len + ric_ies_len".
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*/
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#if ((LINUX_VERSION_CODE >= KERNEL_VERSION(4, 11, 0)) && \
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(LINUX_VERSION_CODE < KERNEL_VERSION(4, 17, 0)))
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if (!ft_evt_parms.ric_ies_len)
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ft_evt_parms.ric_ies_len = ft_evt_parms.ies_len;
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else
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ft_evt_parms.ric_ies_len += ft_evt_parms.ies_len;
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#endif
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rtw_ft_lock_set_status(padapter, RTW_FT_AUTHENTICATED_STA);
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rtw_cfg80211_ft_event(padapter, &ft_evt_parms);
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RTW_INFO("%s: to "MAC_FMT"\n", __func__,
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MAC_ARG(ft_evt_parms.target_ap));
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rtw_mfree((u8 *)pft_roam->ft_event.target_ap, ETH_ALEN);
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err_1:
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rtw_mfree((u8 *)ft_evt_parms.ies, ft_evt_parms.ies_len);
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err_2:
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return;
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}
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void rtw_ft_validate_akm_type(_adapter *padapter,
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WLAN_BSSID_EX *network)
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{
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struct security_priv *psecuritypriv = &(padapter->securitypriv);
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struct ft_roam_info *pft_roam = &(padapter->mlmepriv.ft_roam);
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u32 tmp_len;
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u8 *ptmp;
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/*IEEE802.11-2012 Std. Table 8-101-AKM suite selectors*/
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if (rtw_ft_valid_akm(padapter, psecuritypriv->rsn_akm_suite_type)) {
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ptmp = rtw_get_ie(&network->IEs[12],
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_MDIE_, &tmp_len,
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(network->IELength-12));
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if (ptmp) {
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pft_roam->mdid = *(u16 *)(ptmp+2);
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pft_roam->ft_cap = *(ptmp+4);
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RTW_INFO("FT: target "MAC_FMT
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" mdid=(0x%2x), capacity=(0x%2x)\n",
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MAC_ARG(network->MacAddress),
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pft_roam->mdid, pft_roam->ft_cap);
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rtw_ft_set_flags(padapter, RTW_FT_PEER_EN);
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RTW_FT_INFO("%s : peer support FTOTA(0x%02x),"
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" ft_roam_on_expired=0x%02x\n",
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__func__, pft_roam->ft_flags,
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pft_roam->ft_roam_on_expired);
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if (rtw_ft_otd_roam_en(padapter)) {
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rtw_ft_set_flags(padapter, RTW_FT_PEER_OTD_EN);
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RTW_FT_INFO("%s : peer support FTOTD(0x%02x)\n",
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__func__, pft_roam->ft_flags);
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} else {
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pft_roam->ft_cap &= ~BIT(0);
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rtw_ft_clr_flags(padapter, RTW_FT_PEER_OTD_EN);
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RTW_FT_INFO("%s : update mdid=0x%02x, "
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"cap=0x%02x, flag=0x%02x\n",
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__func__, pft_roam->mdid,
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pft_roam->ft_cap,
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pft_roam->ft_flags);
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}
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} else {
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/* Don't use FT roaming if target AP cannot support FT */
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rtw_ft_clr_flags(padapter,
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(RTW_FT_PEER_EN|RTW_FT_PEER_OTD_EN));
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rtw_ft_reset_status(padapter);
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}
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} else {
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/* It could be a non-FT connection */
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rtw_ft_clr_flags(padapter,
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(RTW_FT_PEER_EN|RTW_FT_PEER_OTD_EN));
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rtw_ft_reset_status(padapter);
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}
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RTW_FT_INFO("%s : ft_flags=0x%02x\n", __func__, pft_roam->ft_flags);
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}
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void rtw_ft_update_bcn(_adapter *padapter, union recv_frame *precv_frame)
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{
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struct _ADAPTER_LINK *padapter_link = precv_frame->u.hdr.adapter_link;
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struct link_mlme_ext_priv *pmlmeext = &padapter_link->mlmeextpriv;
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struct link_mlme_ext_info *pmlmeinfo = &(padapter_link->mlmeextpriv.mlmext_info);
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struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
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u8 *pframe = precv_frame->u.hdr.rx_data;
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uint len = precv_frame->u.hdr.len;
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WLAN_BSSID_EX *pbss;
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if (rtw_ft_chk_status(padapter,RTW_FT_ASSOCIATED_STA)
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&& (pmlmepriv->ft_roam.ft_updated_bcn == _FALSE)) {
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pbss = (WLAN_BSSID_EX*)rtw_malloc(sizeof(WLAN_BSSID_EX));
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if (pbss) {
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if (collect_bss_info(
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padapter, precv_frame, pbss) == _SUCCESS) {
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struct beacon_keys recv_beacon;
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/* Update adapter network info */
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rtw_update_adapter_network(
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&(pmlmepriv->dev_cur_network.network),
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pbss, padapter, _TRUE);
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rtw_update_network(
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&(padapter_link->mlmepriv.cur_network.network),
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pbss, padapter, _TRUE);
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/* Move into rtw_get_bcn_keys */
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/* rtw_get_bcn_info(&(pmlmepriv->cur_network)); */
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/* update bcn keys */
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if (rtw_get_bcn_keys(padapter, padapter_link, pframe, len,
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&recv_beacon) == _TRUE) {
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RTW_FT_INFO("%s: beacon keys ready\n",
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__func__);
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_rtw_memcpy(
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&padapter_link->mlmepriv.cur_beacon_keys,
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&recv_beacon,
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sizeof(recv_beacon));
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if (is_hidden_ssid(
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recv_beacon.ssid,
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recv_beacon.ssid_len)) {
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_rtw_memcpy(
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padapter_link->mlmepriv.cur_beacon_keys.ssid,
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pmlmeinfo->network.Ssid.Ssid,
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IW_ESSID_MAX_SIZE);
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padapter_link->mlmepriv.cur_beacon_keys.ssid_len = \
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pmlmeinfo->network.Ssid.SsidLength;
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}
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} else {
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RTW_ERR("%s: get beacon keys failed\n",
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__func__);
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_rtw_memset(
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&padapter_link->mlmepriv.cur_beacon_keys,
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0, sizeof(recv_beacon));
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}
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#ifdef CONFIG_BCN_CNT_CONFIRM_HDL
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pmlmepriv->new_beacon_cnts = 0;
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#endif
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}
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rtw_mfree((u8*)pbss, sizeof(WLAN_BSSID_EX));
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}
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/* check the vendor of the assoc AP */
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padapter->mlmeextpriv.mlmext_info.assoc_AP_vendor =
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check_assoc_AP(
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pframe + sizeof(struct rtw_ieee80211_hdr_3addr),
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(len - sizeof(struct rtw_ieee80211_hdr_3addr))
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);
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/* update TSF Value */
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update_TSF(pmlmeext, pframe, len);
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pmlmeext->bcn_cnt = 0;
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pmlmeext->last_bcn_cnt = 0;
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pmlmepriv->ft_roam.ft_updated_bcn = _TRUE;
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}
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}
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void rtw_ft_start_clnt_join(_adapter *padapter)
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{
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struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
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struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
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struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
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struct ft_roam_info *pft_roam = &(pmlmepriv->ft_roam);
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if (rtw_ft_otd_roam(padapter)) {
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pmlmeinfo->state = WIFI_FW_AUTH_SUCCESS | WIFI_FW_STATION_STATE;
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pft_roam->ft_event.ies =
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(pft_roam->ft_action + \
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sizeof(struct rtw_ieee80211_hdr_3addr) + 16);
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pft_roam->ft_event.ies_len =
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(pft_roam->ft_action_len - \
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sizeof(struct rtw_ieee80211_hdr_3addr));
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/*Not support RIC*/
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pft_roam->ft_event.ric_ies = NULL;
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pft_roam->ft_event.ric_ies_len = 0;
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rtw_ft_report_evt(padapter);
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return;
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}
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pmlmeinfo->state = WIFI_FW_AUTH_NULL | WIFI_FW_STATION_STATE;
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start_clnt_auth(padapter);
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}
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u8 rtw_ft_update_rsnie(
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_adapter *padapter, u8 bwrite,
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struct pkt_attrib *pattrib, u8 **pframe)
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{
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struct ft_roam_info *pft_roam = &(padapter->mlmepriv.ft_roam);
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u8 *pie;
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u32 len;
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pie = rtw_get_ie(pft_roam->updated_ft_ies, EID_WPA2, &len,
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pft_roam->updated_ft_ies_len);
|
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if (!bwrite)
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return (pie)?_SUCCESS:_FAIL;
|
|
if (pie) {
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*pframe = rtw_set_ie(((u8 *)*pframe), EID_WPA2, len,
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pie+2, &(pattrib->pktlen));
|
} else
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return _FAIL;
|
|
return _SUCCESS;
|
}
|
|
static u8 rtw_ft_update_mdie(
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_adapter *padapter, struct pkt_attrib *pattrib, u8 **pframe)
|
{
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struct ft_roam_info *pft_roam = &(padapter->mlmepriv.ft_roam);
|
u8 *pie, mdie[3];
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u32 len = 3;
|
|
if (rtw_ft_roam(padapter)) {
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if ((pie = rtw_get_ie(pft_roam->updated_ft_ies, _MDIE_,
|
&len, pft_roam->updated_ft_ies_len))) {
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pie = (pie + 2); /* ignore md-id & length */
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} else
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return _FAIL;
|
} else {
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*((u16 *)&mdie[0]) = pft_roam->mdid;
|
mdie[2] = pft_roam->ft_cap;
|
pie = &mdie[0];
|
}
|
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*pframe = rtw_set_ie(((u8 *)*pframe), _MDIE_,
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len, pie, &(pattrib->pktlen));
|
return _SUCCESS;
|
}
|
|
static u8 rtw_ft_update_ftie(
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_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 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;
|
/* ToDo CONFIG_RTW_MLD: [currently primary link only] */
|
struct _ADAPTER_LINK *padapter_link = GET_PRIMARY_LINK(padapter);
|
struct link_mlme_ext_priv *pmlmeext = &(padapter_link->mlmeextpriv);
|
struct link_mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
|
|
pmgntframe = alloc_mgtxmitframe(pxmitpriv);
|
if (pmgntframe == NULL)
|
return;
|
|
pattrib = &pmgntframe->attrib;
|
update_mgntframe_attrib(padapter, padapter_link, 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, padapter_link->mac_addr, ETH_ALEN);
|
_rtw_memcpy(pwlanhdr->addr3, get_my_bssid(&pmlmeinfo->network), ETH_ALEN);
|
|
SetSeqNum(pwlanhdr, padapter->mlmeextpriv.mgnt_seq);
|
padapter->mlmeextpriv.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));
|
|
/* ToDo CONFIG_RTW_MLD: MLD address or link address */
|
_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);
|
/* ToDo CONFIG_RTW_MLD: [currently primary link only] */
|
struct _ADAPTER_LINK *padapter_link = GET_PRIMARY_LINK(padapter);
|
struct link_mlme_ext_priv *pmlmeext = &(padapter_link->mlmeextpriv);
|
struct link_mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
|
WLAN_BSSID_EX *pnetwork = (WLAN_BSSID_EX *)&(pmlmeinfo->network);
|
struct cfg80211_ft_event_params ft_evt_parms;
|
|
_rtw_memset(&ft_evt_parms, 0, sizeof(ft_evt_parms));
|
rtw_ft_update_stainfo(padapter, padapter_link, 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);
|
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 = &(adapter_to_dvobj(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->padapter = padapter;
|
pcmd_obj->band_idx = HW_BAND_MAX;
|
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 _ADAPTER_LINK *padapter_link = GET_PRIMARY_LINK(padapter);
|
struct link_mlme_priv *pmlmepriv = &(padapter_link->mlmepriv);
|
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
|
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
|
|
RTW_FT_INFO("%s : try roaming\n", __func__);
|
receive_disconnect(padapter,
|
pmlmepriv->cur_network.network.MacAddress,
|
WLAN_REASON_ACTIVE_ROAM, _FALSE);
|
pmlmeinfo->disconnect_occurred_time = rtw_systime_to_ms(rtw_get_current_time());
|
pmlmeinfo->disconnect_code = DISCONNECTION_BY_DRIVER_DUE_TO_FT;
|
pmlmeinfo->wifi_reason_code = WLAN_REASON_UNSPECIFIED;
|
}
|
|
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;
|
}
|
|
void rtw_ft_peer_info_init(struct sta_info *psta)
|
{
|
struct rtw_sta_ft_info_t *peer = &(psta->ft_peer);
|
_rtw_memset(peer, 0, sizeof(struct rtw_sta_ft_info_t));
|
}
|
|
void rtw_ft_peer_info_free(struct sta_info *psta)
|
{
|
struct rtw_sta_ft_info_t *peer = &(psta->ft_peer);
|
|
rtw_buf_free(&peer->md_ie, &peer->md_len);
|
rtw_buf_free(&peer->rsn_ie, &peer->rsn_len);
|
rtw_buf_free(&peer->ft_ie, &peer->ft_len);
|
}
|
|
int rtw_ft_update_sta_ies(_adapter *padapter,
|
struct cfg80211_update_ft_ies_params *ie)
|
{
|
struct security_priv *psecuritypriv = &(padapter->securitypriv);
|
struct sta_priv *pstapriv = &(padapter->stapriv);
|
struct sta_info *psta;
|
struct rtw_sta_ft_info_t *peer_info;
|
u8 *ptr, *paddr;
|
u32 len;
|
int ret = 0;
|
|
if (!CHECK_BIT(WLAN_AKM_TYPE_FT_PSK, psecuritypriv->akmp)
|
&& !CHECK_BIT(WLAN_AKM_TYPE_FT_8021X, psecuritypriv->akmp)
|
&& !CHECK_BIT(WLAN_AKM_TYPE_FT_OVER_SAE, psecuritypriv->akmp)) {
|
RTW_FT_INFO("%s : AKM=0x%x\n", __func__, psecuritypriv->akmp);
|
goto exit;
|
}
|
|
if ((ie->ie_len == 0) ||
|
(ie->ie_len >= RTW_FT_MAX_IE_SZ)) {
|
ret = - EINVAL;
|
goto exit;
|
}
|
|
if ((ptr = rtw_get_ie(ie->ie, WLAN_EID_VENDOR_SPECIFIC,
|
&len , ie->ie_len)) == NULL) {
|
RTW_ERR("FT : no station mac address found in ies\n");
|
ret = -EINVAL;
|
goto exit;
|
}
|
|
if (len != ETH_ALEN) {
|
RTW_ERR("FT : invalid station mac length(%u)\n", len);
|
ret = -EINVAL;
|
goto exit;
|
}
|
|
paddr = ptr + 2;
|
if ((psta = rtw_get_stainfo(pstapriv, paddr)) == NULL) {
|
RTW_ERR("FT : sta "MAC_FMT" not found!\n", MAC_ARG(paddr));
|
ret = -EINVAL;
|
goto exit;
|
}
|
|
RTW_FT_INFO("%s : update sta "MAC_FMT" ie, len=%lu\n",
|
__func__, MAC_ARG(paddr), ie->ie_len);
|
RTW_FT_DUMP("ie = ", ie->ie, ie->ie_len);
|
|
peer_info = &(psta->ft_peer);
|
if ((ptr = rtw_get_ie(ie->ie, EID_WPA2, &len , ie->ie_len)) != NULL) {
|
rtw_buf_update(&peer_info->rsn_ie,
|
&peer_info->rsn_len, ptr + 2, len);
|
RTW_FT_DUMP("rsn_ie = ", peer_info->rsn_ie,
|
peer_info->rsn_len);
|
}
|
|
if ((ptr = rtw_get_ie(ie->ie, _MDIE_, &len , ie->ie_len)) != NULL) {
|
rtw_buf_update(&peer_info->md_ie,
|
&peer_info->md_len, ptr + 2, len);
|
RTW_FT_DUMP("md_ie = ",
|
peer_info->md_ie, peer_info->md_len);
|
}
|
|
if ((ptr = rtw_get_ie(ie->ie, _FTIE_, &len , ie->ie_len)) != NULL) {
|
rtw_buf_update(&peer_info->ft_ie,
|
&peer_info->ft_len, ptr + 2, len);
|
RTW_FT_DUMP("ft_ie = ",
|
peer_info->ft_ie, peer_info->ft_len);
|
}
|
|
if (psta->authalg == WLAN_AUTH_FT)
|
issue_asocrsp(padapter, 0, psta, WIFI_REASSOCRSP);
|
exit:
|
return ret;
|
}
|
|
void rtw_ft_update_assocresp_ies(struct net_device *net,
|
struct cfg80211_ap_settings *settings)
|
{
|
_adapter *padapter = (_adapter *)rtw_netdev_priv(net);
|
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
|
struct ft_roam_info *pinfo = &(pmlmepriv->ft_roam);
|
u8 *ie, *bcn_tail_ies, *assocrsp_ies;
|
int ielen, bcn_tail_len, assocrsp_ies_len, ret = 0;
|
|
bcn_tail_ies = (u8 *)settings->beacon.tail;
|
bcn_tail_len = (u32)settings->beacon.tail_len;
|
assocrsp_ies = (u8 *)settings->beacon.assocresp_ies;
|
assocrsp_ies_len = (u32)settings->beacon.assocresp_ies_len;
|
|
if ((bcn_tail_len > 0) &&
|
((ie = rtw_get_ie(bcn_tail_ies, _MDIE_,
|
&ielen , bcn_tail_len)) != NULL)) {
|
pinfo->mdid = *(u16 *)(ie + 2);
|
pinfo->ft_cap = *(ie + 4);
|
RTW_FT_INFO("%s : mdid = 0x%04x, cap=0x%02x\n",
|
__func__, pinfo->mdid, pinfo->ft_cap);
|
}
|
|
if ((assocrsp_ies_len > 0) &&
|
((ie = rtw_get_ie(assocrsp_ies, _FTIE_,
|
&ielen , assocrsp_ies_len)) != NULL)) {
|
_rtw_memset(pinfo->updated_ft_ies, 0, RTW_FT_MAX_IE_SZ);
|
_rtw_memcpy(pinfo->updated_ft_ies, ie + 2, ielen);
|
pinfo->updated_ft_ies_len = ielen;
|
RTW_FT_DUMP("FT : ft ie = ", ie + 2, ielen);
|
}
|
|
}
|
|
void rtw_ft_process_ft_auth_rsp(_adapter *padapter, u8 *pframe, u32 len)
|
{
|
struct sta_priv *pstapriv = &(padapter->stapriv);
|
struct sta_info *psta = NULL;
|
u8 *ptr;
|
u32 plen;
|
|
ptr = pframe + IEEE80211_3ADDR_LEN + _AUTH_IE_OFFSET_;
|
plen = len - IEEE80211_3ADDR_LEN - _AUTH_IE_OFFSET_;
|
|
psta = rtw_get_stainfo(pstapriv, GetAddr1Ptr(pframe));
|
if (psta) {
|
_rtw_spinlock_bh(&psta->lock);
|
psta->state &= ~WIFI_FW_AUTH_NULL;
|
psta->state |= WIFI_FW_AUTH_SUCCESS;
|
psta->expire_to = pstapriv->assoc_to;
|
_rtw_spinunlock_bh(&psta->lock);
|
}
|
}
|
|
void rtw_ft_build_assoc_rsp_ies(_adapter *padapter,
|
struct sta_info *psta, struct pkt_attrib *pattrib, u8 **pframe)
|
{
|
struct ft_roam_info *prinfo = &(padapter->mlmepriv.ft_roam);
|
struct rtw_sta_ft_info_t *peer_info;
|
u8 *pie, mdie[3] = {0};
|
u32 ielen;
|
|
if (psta == NULL)
|
return;
|
|
if (psta->authalg != WLAN_AUTH_FT) {
|
*((u16 *)&mdie[0]) = prinfo->mdid;
|
mdie[2] = prinfo->ft_cap;
|
pie = mdie;
|
ielen = 3;
|
|
if (prinfo->mdid > 0) {
|
*pframe = rtw_set_ie(((u8 *)*pframe),
|
_MDIE_, ielen , pie, &(pattrib->pktlen));
|
}
|
|
if (prinfo->updated_ft_ies_len > 0) {
|
*pframe = rtw_set_ie(((u8 *)*pframe),
|
_FTIE_, prinfo->updated_ft_ies_len,
|
prinfo->updated_ft_ies, &(pattrib->pktlen));
|
}
|
} else {
|
peer_info = &(psta->ft_peer);
|
if (peer_info->rsn_len > 0) {
|
*pframe = rtw_set_ie(((u8 *)*pframe), EID_WPA2,
|
peer_info->rsn_len, peer_info->rsn_ie,
|
&(pattrib->pktlen));
|
}
|
|
if (peer_info->md_len > 0) {
|
*pframe = rtw_set_ie(((u8 *)*pframe), _MDIE_,
|
peer_info->md_len, peer_info->md_ie,
|
&(pattrib->pktlen));
|
}
|
|
if (peer_info->ft_len > 0) {
|
*pframe = rtw_set_ie(((u8 *)*pframe), _FTIE_,
|
peer_info->ft_len, peer_info->ft_ie,
|
&(pattrib->pktlen));
|
}
|
}
|
|
}
|
#endif /* CONFIG_RTW_80211R */
|
