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gfiber / kernel / quantenna / ed2eebbd61af8d378ca39ad7aef7017f29eed6f3 / . / drivers / staging / rtl8723au / core / rtw_mlme_ext.c
blob: 7dd1540ebedd1458547561d2210383b1249ef91a [file] [log] [blame]
/******************************************************************************
*
* Copyright(c) 2007 - 2012 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.
*
******************************************************************************/
#define _RTW_MLME_EXT_C_
#include <osdep_service.h>
#include <drv_types.h>
#include <wifi.h>
#include <rtw_mlme_ext.h>
#include <wlan_bssdef.h>
#include <mlme_osdep.h>
#include <recv_osdep.h>
#include <linux/ieee80211.h>
#include <rtl8723a_hal.h>
static int OnAssocReq23a(struct rtw_adapter *padapter, struct recv_frame *precv_frame);
static int OnAssocRsp23a(struct rtw_adapter *padapter, struct recv_frame *precv_frame);
static int OnProbeReq23a(struct rtw_adapter *padapter, struct recv_frame *precv_frame);
static int OnProbeRsp23a(struct rtw_adapter *padapter, struct recv_frame *precv_frame);
static int DoReserved23a(struct rtw_adapter *padapter, struct recv_frame *precv_frame);
static int OnBeacon23a(struct rtw_adapter *padapter, struct recv_frame *precv_frame);
static int OnAtim23a(struct rtw_adapter *padapter, struct recv_frame *precv_frame);
static int OnDisassoc23a(struct rtw_adapter *padapter, struct recv_frame *precv_frame);
static int OnAuth23aClient23a(struct rtw_adapter *padapter, struct recv_frame *precv_frame);
static int OnDeAuth23a(struct rtw_adapter *padapter, struct recv_frame *precv_frame);
static int OnAction23a(struct rtw_adapter *padapter, struct recv_frame *precv_frame);
static int on_action_spct23a(struct rtw_adapter *padapter, struct recv_frame *precv_frame);
static int OnAction23a_qos(struct rtw_adapter *padapter, struct recv_frame *precv_frame);
static int OnAction23a_dls(struct rtw_adapter *padapter, struct recv_frame *precv_frame);
static int OnAction23a_back23a(struct rtw_adapter *padapter, struct recv_frame *precv_frame);
static int on_action_public23a(struct rtw_adapter *padapter, struct recv_frame *precv_frame);
static int OnAction23a_ht(struct rtw_adapter *padapter, struct recv_frame *precv_frame);
static int OnAction23a_wmm(struct rtw_adapter *padapter, struct recv_frame *precv_frame);
static int OnAction23a_p2p(struct rtw_adapter *padapter, struct recv_frame *precv_frame);
static void issue_assocreq(struct rtw_adapter *padapter);
static void issue_probereq(struct rtw_adapter *padapter,
struct cfg80211_ssid *pssid, u8 *da);
static int issue_probereq_ex(struct rtw_adapter *padapter,
struct cfg80211_ssid *pssid,
u8 *da, int try_cnt, int wait_ms);
static void issue_probersp(struct rtw_adapter *padapter, unsigned char *da);
static void issue_auth(struct rtw_adapter *padapter, struct sta_info *psta,
unsigned short status);
static int issue_deauth_ex(struct rtw_adapter *padapter, u8 *da,
unsigned short reason, int try_cnt, int wait_ms);
static void start_clnt_assoc(struct rtw_adapter *padapter);
static void start_clnt_auth(struct rtw_adapter *padapter);
static void start_clnt_join(struct rtw_adapter *padapter);
static void start_create_ibss(struct rtw_adapter *padapter);
static struct wlan_bssid_ex *collect_bss_info(struct rtw_adapter *padapter,
struct recv_frame *precv_frame);
#ifdef CONFIG_8723AU_AP_MODE
static int OnAuth23a(struct rtw_adapter *padapter, struct recv_frame *precv_frame);
static void issue_assocrsp(struct rtw_adapter *padapter, unsigned short status,
struct sta_info *pstat, u16 pkt_type);
#endif
static struct mlme_handler mlme_sta_tbl[]={
{"OnAssocReq23a", &OnAssocReq23a},
{"OnAssocRsp23a", &OnAssocRsp23a},
{"OnReAssocReq", &OnAssocReq23a},
{"OnReAssocRsp", &OnAssocRsp23a},
{"OnProbeReq23a", &OnProbeReq23a},
{"OnProbeRsp23a", &OnProbeRsp23a},
/*----------------------------------------------------------
below 2 are reserved
-----------------------------------------------------------*/
{"DoReserved23a", &DoReserved23a},
{"DoReserved23a", &DoReserved23a},
{"OnBeacon23a", &OnBeacon23a},
{"OnATIM", &OnAtim23a},
{"OnDisassoc23a", &OnDisassoc23a},
{"OnAuth23a", &OnAuth23aClient23a},
{"OnDeAuth23a", &OnDeAuth23a},
{"OnAction23a", &OnAction23a},
};
static struct action_handler OnAction23a_tbl[]={
{WLAN_CATEGORY_SPECTRUM_MGMT, "ACTION_SPECTRUM_MGMT", on_action_spct23a},
{WLAN_CATEGORY_QOS, "ACTION_QOS", &OnAction23a_qos},
{WLAN_CATEGORY_DLS, "ACTION_DLS", &OnAction23a_dls},
{WLAN_CATEGORY_BACK, "ACTION_BACK", &OnAction23a_back23a},
{WLAN_CATEGORY_PUBLIC, "ACTION_PUBLIC", on_action_public23a},
{WLAN_CATEGORY_HT, "ACTION_HT", &OnAction23a_ht},
{WLAN_CATEGORY_SA_QUERY, "ACTION_SA_QUERY", &DoReserved23a},
{WLAN_CATEGORY_WMM, "ACTION_WMM", &OnAction23a_wmm},
{WLAN_CATEGORY_VENDOR_SPECIFIC, "ACTION_P2P", &OnAction23a_p2p},
};
static u8 null_addr[ETH_ALEN]= {0, 0, 0, 0, 0, 0};
/**************************************************
OUI definitions for the vendor specific IE
***************************************************/
unsigned char WMM_OUI23A[] = {0x00, 0x50, 0xf2, 0x02};
unsigned char WPS_OUI23A[] = {0x00, 0x50, 0xf2, 0x04};
unsigned char P2P_OUI23A[] = {0x50, 0x6F, 0x9A, 0x09};
unsigned char WFD_OUI23A[] = {0x50, 0x6F, 0x9A, 0x0A};
unsigned char WMM_INFO_OUI23A[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01};
unsigned char WMM_PARA_OUI23A[] = {0x00, 0x50, 0xf2, 0x02, 0x01, 0x01};
static unsigned char REALTEK_96B_IE[] = {0x00, 0xe0, 0x4c, 0x02, 0x01, 0x20};
/********************************************************
MCS rate definitions
*********************************************************/
unsigned char MCS_rate_2R23A[16] = {
0xff, 0xff, 0x0, 0x0, 0x01, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0};
unsigned char MCS_rate_1R23A[16] = {
0xff, 0x00, 0x0, 0x0, 0x01, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0};
/********************************************************
ChannelPlan definitions
*********************************************************/
static struct rt_channel_plan_2g RTW_ChannelPlan2G[RT_CHANNEL_DOMAIN_2G_MAX] = {
/* 0x00, RT_CHANNEL_DOMAIN_2G_WORLD , Passive scan CH 12, 13 */
{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
/* 0x01, RT_CHANNEL_DOMAIN_2G_ETSI1 */
{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
/* 0x02, RT_CHANNEL_DOMAIN_2G_FCC1 */
{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}, 11},
/* 0x03, RT_CHANNEL_DOMAIN_2G_MIKK1 */
{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}, 14},
/* 0x04, RT_CHANNEL_DOMAIN_2G_ETSI2 */
{{10, 11, 12, 13}, 4},
/* 0x05, RT_CHANNEL_DOMAIN_2G_NULL */
{{}, 0},
};
static struct rt_channel_plan_5g RTW_ChannelPlan5G[RT_CHANNEL_DOMAIN_5G_MAX] = {
/* 0x00, RT_CHANNEL_DOMAIN_5G_NULL */
{{}, 0},
/* 0x01, RT_CHANNEL_DOMAIN_5G_ETSI1 */
{{36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112,
116, 120, 124, 128, 132, 136, 140}, 19},
/* 0x02, RT_CHANNEL_DOMAIN_5G_ETSI2 */
{{36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112,
116, 120, 124, 128, 132, 136, 140, 149, 153, 157, 161, 165}, 24},
/* 0x03, RT_CHANNEL_DOMAIN_5G_ETSI3 */
{{36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112,
116, 120, 124, 128, 132, 149, 153, 157, 161, 165}, 22},
/* 0x04, RT_CHANNEL_DOMAIN_5G_FCC1 */
{{36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112,
116, 120, 124, 128, 132, 136, 140, 149, 153, 157, 161, 165}, 24},
/* 0x05, RT_CHANNEL_DOMAIN_5G_FCC2 */
{{36, 40, 44, 48, 149, 153, 157, 161, 165}, 9},
/* 0x06, RT_CHANNEL_DOMAIN_5G_FCC3 */
{{36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161, 165}, 13},
/* 0x07, RT_CHANNEL_DOMAIN_5G_FCC4 */
{{36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161}, 12},
/* 0x08, RT_CHANNEL_DOMAIN_5G_FCC5 */
{{149, 153, 157, 161, 165}, 5},
/* 0x09, RT_CHANNEL_DOMAIN_5G_FCC6 */
{{36, 40, 44, 48, 52, 56, 60, 64}, 8},
/* 0x0A, RT_CHANNEL_DOMAIN_5G_FCC7_IC1 */
{{36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112,
116, 136, 140, 149, 153, 157, 161, 165}, 20},
/* 0x0B, RT_CHANNEL_DOMAIN_5G_KCC1 */
{{36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112,
116, 120, 124, 149, 153, 157, 161, 165}, 20},
/* 0x0C, RT_CHANNEL_DOMAIN_5G_MKK1 */
{{36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112,
116, 120, 124, 128, 132, 136, 140}, 19},
/* 0x0D, RT_CHANNEL_DOMAIN_5G_MKK2 */
{{36, 40, 44, 48, 52, 56, 60, 64}, 8},
/* 0x0E, RT_CHANNEL_DOMAIN_5G_MKK3 */
{{100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140}, 11},
/* 0x0F, RT_CHANNEL_DOMAIN_5G_NCC1 */
{{56, 60, 64, 100, 104, 108, 112, 116, 136, 140, 149,
153, 157, 161, 165}, 15},
/* 0x10, RT_CHANNEL_DOMAIN_5G_NCC2 */
{{56, 60, 64, 149, 153, 157, 161, 165}, 8},
/* Driver self defined for old channel plan Compatible,
Remember to modify if have new channel plan definition ===== */
/* 0x11, RT_CHANNEL_DOMAIN_5G_FCC */
{{36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112,
116, 132, 136, 140, 149, 153, 157, 161, 165}, 21},
/* 0x12, RT_CHANNEL_DOMAIN_5G_JAPAN_NO_DFS */
{{36, 40, 44, 48}, 4},
/* 0x13, RT_CHANNEL_DOMAIN_5G_FCC4_NO_DFS */
{{36, 40, 44, 48, 149, 153, 157, 161}, 8},
};
static struct rt_channel_plan_map RTW_ChannelPlanMap[RT_CHANNEL_DOMAIN_MAX] = {
/* 0x00 ~ 0x1F , Old Define ===== */
{0x02, 0x11}, /* 0x00, RT_CHANNEL_DOMAIN_FCC */
{0x02, 0x0A}, /* 0x01, RT_CHANNEL_DOMAIN_IC */
{0x01, 0x01}, /* 0x02, RT_CHANNEL_DOMAIN_ETSI */
{0x01, 0x00}, /* 0x03, RT_CHANNEL_DOMAIN_SPAIN */
{0x01, 0x00}, /* 0x04, RT_CHANNEL_DOMAIN_FRANCE */
{0x03, 0x00}, /* 0x05, RT_CHANNEL_DOMAIN_MKK */
{0x03, 0x00}, /* 0x06, RT_CHANNEL_DOMAIN_MKK1 */
{0x01, 0x09}, /* 0x07, RT_CHANNEL_DOMAIN_ISRAEL */
{0x03, 0x09}, /* 0x08, RT_CHANNEL_DOMAIN_TELEC */
{0x03, 0x00}, /* 0x09, RT_CHANNEL_DOMAIN_GLOBAL_DOAMIN */
{0x00, 0x00}, /* 0x0A, RT_CHANNEL_DOMAIN_WORLD_WIDE_13 */
{0x02, 0x0F}, /* 0x0B, RT_CHANNEL_DOMAIN_TAIWAN */
{0x01, 0x08}, /* 0x0C, RT_CHANNEL_DOMAIN_CHINA */
{0x02, 0x06}, /* 0x0D, RT_CHANNEL_DOMAIN_SINGAPORE_INDIA_MEXICO */
{0x02, 0x0B}, /* 0x0E, RT_CHANNEL_DOMAIN_KOREA */
{0x02, 0x09}, /* 0x0F, RT_CHANNEL_DOMAIN_TURKEY */
{0x01, 0x01}, /* 0x10, RT_CHANNEL_DOMAIN_JAPAN */
{0x02, 0x05}, /* 0x11, RT_CHANNEL_DOMAIN_FCC_NO_DFS */
{0x01, 0x12}, /* 0x12, RT_CHANNEL_DOMAIN_JAPAN_NO_DFS */
{0x00, 0x04}, /* 0x13, RT_CHANNEL_DOMAIN_WORLD_WIDE_5G */
{0x02, 0x10}, /* 0x14, RT_CHANNEL_DOMAIN_TAIWAN_NO_DFS */
{0x00, 0x12}, /* 0x15, RT_CHANNEL_DOMAIN_ETSI_NO_DFS */
{0x00, 0x13}, /* 0x16, RT_CHANNEL_DOMAIN_KOREA_NO_DFS */
{0x03, 0x12}, /* 0x17, RT_CHANNEL_DOMAIN_JAPAN_NO_DFS */
{0x05, 0x08}, /* 0x18, RT_CHANNEL_DOMAIN_PAKISTAN_NO_DFS */
{0x02, 0x08}, /* 0x19, RT_CHANNEL_DOMAIN_TAIWAN2_NO_DFS */
{0x00, 0x00}, /* 0x1A, */
{0x00, 0x00}, /* 0x1B, */
{0x00, 0x00}, /* 0x1C, */
{0x00, 0x00}, /* 0x1D, */
{0x00, 0x00}, /* 0x1E, */
{0x05, 0x04}, /* 0x1F, RT_CHANNEL_DOMAIN_WORLD_WIDE_ONLY_5G */
/* 0x20 ~ 0x7F , New Define ===== */
{0x00, 0x00}, /* 0x20, RT_CHANNEL_DOMAIN_WORLD_NULL */
{0x01, 0x00}, /* 0x21, RT_CHANNEL_DOMAIN_ETSI1_NULL */
{0x02, 0x00}, /* 0x22, RT_CHANNEL_DOMAIN_FCC1_NULL */
{0x03, 0x00}, /* 0x23, RT_CHANNEL_DOMAIN_MKK1_NULL */
{0x04, 0x00}, /* 0x24, RT_CHANNEL_DOMAIN_ETSI2_NULL */
{0x02, 0x04}, /* 0x25, RT_CHANNEL_DOMAIN_FCC1_FCC1 */
{0x00, 0x01}, /* 0x26, RT_CHANNEL_DOMAIN_WORLD_ETSI1 */
{0x03, 0x0C}, /* 0x27, RT_CHANNEL_DOMAIN_MKK1_MKK1 */
{0x00, 0x0B}, /* 0x28, RT_CHANNEL_DOMAIN_WORLD_KCC1 */
{0x00, 0x05}, /* 0x29, RT_CHANNEL_DOMAIN_WORLD_FCC2 */
{0x00, 0x00}, /* 0x2A, */
{0x00, 0x00}, /* 0x2B, */
{0x00, 0x00}, /* 0x2C, */
{0x00, 0x00}, /* 0x2D, */
{0x00, 0x00}, /* 0x2E, */
{0x00, 0x00}, /* 0x2F, */
{0x00, 0x06}, /* 0x30, RT_CHANNEL_DOMAIN_WORLD_FCC3 */
{0x00, 0x07}, /* 0x31, RT_CHANNEL_DOMAIN_WORLD_FCC4 */
{0x00, 0x08}, /* 0x32, RT_CHANNEL_DOMAIN_WORLD_FCC5 */
{0x00, 0x09}, /* 0x33, RT_CHANNEL_DOMAIN_WORLD_FCC6 */
{0x02, 0x0A}, /* 0x34, RT_CHANNEL_DOMAIN_FCC1_FCC7 */
{0x00, 0x02}, /* 0x35, RT_CHANNEL_DOMAIN_WORLD_ETSI2 */
{0x00, 0x03}, /* 0x36, RT_CHANNEL_DOMAIN_WORLD_ETSI3 */
{0x03, 0x0D}, /* 0x37, RT_CHANNEL_DOMAIN_MKK1_MKK2 */
{0x03, 0x0E}, /* 0x38, RT_CHANNEL_DOMAIN_MKK1_MKK3 */
{0x02, 0x0F}, /* 0x39, RT_CHANNEL_DOMAIN_FCC1_NCC1 */
{0x00, 0x00}, /* 0x3A, */
{0x00, 0x00}, /* 0x3B, */
{0x00, 0x00}, /* 0x3C, */
{0x00, 0x00}, /* 0x3D, */
{0x00, 0x00}, /* 0x3E, */
{0x00, 0x00}, /* 0x3F, */
{0x02, 0x10}, /* 0x40, RT_CHANNEL_DOMAIN_FCC1_NCC2 */
{0x03, 0x00}, /* 0x41, RT_CHANNEL_DOMAIN_GLOBAL_DOAMIN_2G */
};
static struct rt_channel_plan_map RTW_CHANNEL_PLAN_MAP_REALTEK_DEFINE =
{0x03, 0x02}; /* use the conbination for max channel numbers */
static void dummy_event_callback(struct rtw_adapter *adapter, const u8 *pbuf)
{
}
static struct fwevent wlanevents[] =
{
{0, &dummy_event_callback}, /*0*/
{0, NULL},
{0, NULL},
{0, NULL},
{0, NULL},
{0, NULL},
{0, NULL},
{0, NULL},
{0, &rtw_survey_event_cb23a}, /*8*/
{sizeof (struct surveydone_event), &rtw_surveydone_event_callback23a},
{0, &rtw23a_joinbss_event_cb}, /*10*/
{sizeof(struct stassoc_event), &rtw_stassoc_event_callback23a},
{sizeof(struct stadel_event), &rtw_stadel_event_callback23a},
{0, &dummy_event_callback},
{0, &dummy_event_callback},
{0, NULL}, /*15*/
{0, NULL},
{0, NULL},
{0, NULL},
{0, &dummy_event_callback},
{0, NULL}, /*20*/
{0, NULL},
{0, NULL},
{0, &dummy_event_callback},
{0, NULL},
};
static void rtw_correct_TSF(struct rtw_adapter *padapter)
{
hw_var_set_correct_tsf(padapter);
}
static void
rtw_update_TSF(struct mlme_ext_priv *pmlmeext, struct ieee80211_mgmt *mgmt)
{
pmlmeext->TSFValue = get_unaligned_le64(&mgmt->u.beacon.timestamp);
}
/*
* Search the @param channel_num in given @param channel_set
* @ch_set: the given channel set
* @ch: the given channel number
*
* return the index of channel_num in channel_set, -1 if not found
*/
int rtw_ch_set_search_ch23a(struct rt_channel_info *ch_set, const u32 ch)
{
int i;
for (i = 0; ch_set[i]. ChannelNum != 0; i++) {
if (ch == ch_set[i].ChannelNum)
break;
}
if (i >= ch_set[i].ChannelNum)
return -1;
return i;
}
/****************************************************************************
Following are the initialization functions for WiFi MLME
*****************************************************************************/
int init_hw_mlme_ext23a(struct rtw_adapter *padapter)
{
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
set_channel_bwmode23a(padapter, pmlmeext->cur_channel,
pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode);
return _SUCCESS;
}
static void init_mlme_ext_priv23a_value(struct rtw_adapter *padapter)
{
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
unsigned char mixed_datarate[NumRates] = {
_1M_RATE_, _2M_RATE_, _5M_RATE_, _11M_RATE_, _6M_RATE_,
_9M_RATE_, _12M_RATE_, _18M_RATE_, _24M_RATE_, _36M_RATE_,
_48M_RATE_, _54M_RATE_, 0xff};
unsigned char mixed_basicrate[NumRates] = {
_1M_RATE_, _2M_RATE_, _5M_RATE_, _11M_RATE_, _6M_RATE_,
_12M_RATE_, _24M_RATE_, 0xff,};
atomic_set(&pmlmeext->event_seq, 0);
/* reset to zero when disconnect at client mode */
pmlmeext->mgnt_seq = 0;
pmlmeext->cur_channel = padapter->registrypriv.channel;
pmlmeext->cur_bwmode = HT_CHANNEL_WIDTH_20;
pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
pmlmeext->retry = 0;
pmlmeext->cur_wireless_mode = padapter->registrypriv.wireless_mode;
memcpy(pmlmeext->datarate, mixed_datarate, NumRates);
memcpy(pmlmeext->basicrate, mixed_basicrate, NumRates);
if (pmlmeext->cur_channel > 14)
pmlmeext->tx_rate = IEEE80211_OFDM_RATE_6MB;
else
pmlmeext->tx_rate = IEEE80211_CCK_RATE_1MB;
pmlmeext->sitesurvey_res.state = SCAN_DISABLE;
pmlmeext->sitesurvey_res.channel_idx = 0;
pmlmeext->sitesurvey_res.bss_cnt = 0;
pmlmeext->scan_abort = false;
pmlmeinfo->state = MSR_NOLINK;
pmlmeinfo->reauth_count = 0;
pmlmeinfo->reassoc_count = 0;
pmlmeinfo->link_count = 0;
pmlmeinfo->auth_seq = 0;
pmlmeinfo->auth_algo = dot11AuthAlgrthm_Open;
pmlmeinfo->key_index = 0;
pmlmeinfo->iv = 0;
pmlmeinfo->enc_algo = 0;
pmlmeinfo->authModeToggle = 0;
memset(pmlmeinfo->chg_txt, 0, 128);
pmlmeinfo->slotTime = SHORT_SLOT_TIME;
pmlmeinfo->preamble_mode = PREAMBLE_AUTO;
pmlmeinfo->dialogToken = 0;
pmlmeext->action_public_rxseq = 0xffff;
pmlmeext->action_public_dialog_token = 0xff;
}
static int has_channel(struct rt_channel_info *channel_set,
u8 chanset_size, u8 chan) {
int i;
for (i = 0; i < chanset_size; i++) {
if (channel_set[i].ChannelNum == chan)
return 1;
}
return 0;
}
static void init_channel_list(struct rtw_adapter *padapter,
struct rt_channel_info *channel_set,
u8 chanset_size,
struct p2p_channels *channel_list)
{
struct p2p_oper_class_map op_class[] = {
{ IEEE80211G, 81, 1, 13, 1, BW20 },
{ IEEE80211G, 82, 14, 14, 1, BW20 },
{ IEEE80211A, 115, 36, 48, 4, BW20 },
{ IEEE80211A, 116, 36, 44, 8, BW40PLUS },
{ IEEE80211A, 117, 40, 48, 8, BW40MINUS },
{ IEEE80211A, 124, 149, 161, 4, BW20 },
{ IEEE80211A, 125, 149, 169, 4, BW20 },
{ IEEE80211A, 126, 149, 157, 8, BW40PLUS },
{ IEEE80211A, 127, 153, 161, 8, BW40MINUS },
{ -1, 0, 0, 0, 0, BW20 }
};
int cla, op;
cla = 0;
for (op = 0; op_class[op].op_class; op++) {
u8 ch;
struct p2p_oper_class_map *o = &op_class[op];
struct p2p_reg_class *reg = NULL;
for (ch = o->min_chan; ch <= o->max_chan; ch += o->inc) {
if (!has_channel(channel_set, chanset_size, ch))
continue;
if ((0 == padapter->registrypriv.ht_enable) &&
(o->inc == 8))
continue;
if ((0 == (padapter->registrypriv.cbw40_enable & BIT(1))) &&
((BW40MINUS == o->bw) || (BW40PLUS == o->bw)))
continue;
if (reg == NULL) {
reg = &channel_list->reg_class[cla];
cla++;
reg->reg_class = o->op_class;
reg->channels = 0;
}
reg->channel[reg->channels] = ch;
reg->channels++;
}
}
channel_list->reg_classes = cla;
}
static u8 init_channel_set(struct rtw_adapter *padapter, u8 cplan,
struct rt_channel_info *c_set)
{
u8 i, ch_size = 0;
u8 b5GBand = false, b2_4GBand = false;
u8 Index2G = 0, Index5G = 0;
memset(c_set, 0, sizeof(struct rt_channel_info) * MAX_CHANNEL_NUM);
if (cplan >= RT_CHANNEL_DOMAIN_MAX &&
cplan != RT_CHANNEL_DOMAIN_REALTEK_DEFINE) {
DBG_8723A("ChannelPlan ID %x error !!!!!\n", cplan);
return ch_size;
}
if (padapter->registrypriv.wireless_mode & WIRELESS_11G) {
b2_4GBand = true;
if (RT_CHANNEL_DOMAIN_REALTEK_DEFINE == cplan)
Index2G = RTW_CHANNEL_PLAN_MAP_REALTEK_DEFINE.Index2G;
else
Index2G = RTW_ChannelPlanMap[cplan].Index2G;
}
if (padapter->registrypriv.wireless_mode & WIRELESS_11A) {
b5GBand = true;
if (RT_CHANNEL_DOMAIN_REALTEK_DEFINE == cplan)
Index5G = RTW_CHANNEL_PLAN_MAP_REALTEK_DEFINE.Index5G;
else
Index5G = RTW_ChannelPlanMap[cplan].Index5G;
}
if (b2_4GBand) {
for (i = 0; i < RTW_ChannelPlan2G[Index2G].Len; i++) {
c_set[ch_size].ChannelNum =
RTW_ChannelPlan2G[Index2G].Channel[i];
if ((RT_CHANNEL_DOMAIN_GLOBAL_DOAMIN == cplan) ||
/* Channel 1~11 is active, and 12~14 is passive */
RT_CHANNEL_DOMAIN_GLOBAL_DOAMIN_2G == cplan) {
if (c_set[ch_size].ChannelNum >= 1 &&
c_set[ch_size].ChannelNum <= 11)
c_set[ch_size].ScanType = SCAN_ACTIVE;
else if (c_set[ch_size].ChannelNum >= 12 &&
c_set[ch_size].ChannelNum <= 14)
c_set[ch_size].ScanType = SCAN_PASSIVE;
} else if (RT_CHANNEL_DOMAIN_WORLD_WIDE_13 == cplan ||
RT_CHANNEL_DOMAIN_WORLD_WIDE_5G == cplan ||
RT_CHANNEL_DOMAIN_2G_WORLD == Index2G) {
/* channel 12~13, passive scan */
if (c_set[ch_size].ChannelNum <= 11)
c_set[ch_size].ScanType = SCAN_ACTIVE;
else
c_set[ch_size].ScanType = SCAN_PASSIVE;
} else
c_set[ch_size].ScanType = SCAN_ACTIVE;
ch_size++;
}
}
if (b5GBand) {
for (i = 0; i < RTW_ChannelPlan5G[Index5G].Len; i++) {
if (RTW_ChannelPlan5G[Index5G].Channel[i] <= 48 ||
RTW_ChannelPlan5G[Index5G].Channel[i] >= 149) {
c_set[ch_size].ChannelNum =
RTW_ChannelPlan5G[Index5G].Channel[i];
if (RT_CHANNEL_DOMAIN_WORLD_WIDE_5G == cplan) {
/* passive scan for all 5G channels */
c_set[ch_size].ScanType =
SCAN_PASSIVE;
} else
c_set[ch_size].ScanType =
SCAN_ACTIVE;
DBG_8723A("%s(): channel_set[%d].ChannelNum = "
"%d\n", __func__, ch_size,
c_set[ch_size].ChannelNum);
ch_size++;
}
}
}
return ch_size;
}
int init_mlme_ext_priv23a(struct rtw_adapter *padapter)
{
struct registry_priv *pregistrypriv = &padapter->registrypriv;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
pmlmeext->padapter = padapter;
init_mlme_ext_priv23a_value(padapter);
pmlmeinfo->bAcceptAddbaReq = pregistrypriv->bAcceptAddbaReq;
init_mlme_ext_timer23a(padapter);
#ifdef CONFIG_8723AU_AP_MODE
init_mlme_ap_info23a(padapter);
#endif
pmlmeext->max_chan_nums = init_channel_set(padapter,
pmlmepriv->ChannelPlan,
pmlmeext->channel_set);
init_channel_list(padapter, pmlmeext->channel_set,
pmlmeext->max_chan_nums, &pmlmeext->channel_list);
pmlmeext->chan_scan_time = SURVEY_TO;
pmlmeext->mlmeext_init = true;
pmlmeext->active_keep_alive_check = true;
return _SUCCESS;
}
void free_mlme_ext_priv23a (struct mlme_ext_priv *pmlmeext)
{
struct rtw_adapter *padapter = pmlmeext->padapter;
if (!padapter)
return;
if (padapter->bDriverStopped == true) {
del_timer_sync(&pmlmeext->survey_timer);
del_timer_sync(&pmlmeext->link_timer);
/* del_timer_sync(&pmlmeext->ADDBA_timer); */
}
}
static void
_mgt_dispatcher23a(struct rtw_adapter *padapter, struct mlme_handler *ptable,
struct recv_frame *precv_frame)
{
struct sk_buff *skb = precv_frame->pkt;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
if (ptable->func) {
/* receive the frames that ra(a1) is my address
or ra(a1) is bc address. */
if (!ether_addr_equal(hdr->addr1, myid(&padapter->eeprompriv))&&
!is_broadcast_ether_addr(hdr->addr1))
return;
ptable->func(padapter, precv_frame);
}
}
void mgt_dispatcher23a(struct rtw_adapter *padapter,
struct recv_frame *precv_frame)
{
struct mlme_handler *ptable;
#ifdef CONFIG_8723AU_AP_MODE
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
#endif /* CONFIG_8723AU_AP_MODE */
struct sk_buff *skb = precv_frame->pkt;
struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) skb->data;
struct sta_info *psta;
u16 stype;
int index;
if (!ieee80211_is_mgmt(mgmt->frame_control))
return;
/* receive the frames that ra(a1) is my address or ra(a1) is
bc address. */
if (!ether_addr_equal(mgmt->da, myid(&padapter->eeprompriv)) &&
!is_broadcast_ether_addr(mgmt->da))
return;
ptable = mlme_sta_tbl;
stype = le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE;
index = stype >> 4;
if (index > 13) {
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
"Currently we do not support reserved sub-fr-type =%d\n",
index);
return;
}
ptable += index;
psta = rtw_get_stainfo23a(&padapter->stapriv, mgmt->sa);
if (psta) {
if (ieee80211_has_retry(mgmt->frame_control)) {
if (precv_frame->attrib.seq_num ==
psta->RxMgmtFrameSeqNum) {
/* drop the duplicate management frame */
DBG_8723A("Drop duplicate management frame "
"with seq_num = %d.\n",
precv_frame->attrib.seq_num);
return;
}
}
psta->RxMgmtFrameSeqNum = precv_frame->attrib.seq_num;
}
#ifdef CONFIG_8723AU_AP_MODE
switch (stype) {
case IEEE80211_STYPE_AUTH:
if (check_fwstate(pmlmepriv, WIFI_AP_STATE))
ptable->func = &OnAuth23a;
else
ptable->func = &OnAuth23aClient23a;
/* pass through */
case IEEE80211_STYPE_ASSOC_REQ:
case IEEE80211_STYPE_REASSOC_REQ:
_mgt_dispatcher23a(padapter, ptable, precv_frame);
break;
case IEEE80211_STYPE_PROBE_REQ:
if (check_fwstate(pmlmepriv, WIFI_AP_STATE))
_mgt_dispatcher23a(padapter, ptable, precv_frame);
else
_mgt_dispatcher23a(padapter, ptable, precv_frame);
break;
case IEEE80211_STYPE_BEACON:
_mgt_dispatcher23a(padapter, ptable, precv_frame);
break;
case IEEE80211_STYPE_ACTION:
/* if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) */
_mgt_dispatcher23a(padapter, ptable, precv_frame);
break;
default:
_mgt_dispatcher23a(padapter, ptable, precv_frame);
break;
}
#else
_mgt_dispatcher23a(padapter, ptable, precv_frame);
#endif
}
/****************************************************************************
Following are the callback functions for each subtype of the management frames
*****************************************************************************/
static int
OnProbeReq23a(struct rtw_adapter *padapter, struct recv_frame *precv_frame)
{
const u8 *ie;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
struct wlan_bssid_ex *cur = &pmlmeinfo->network;
struct sk_buff *skb = precv_frame->pkt;
struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) skb->data;
int len = skb->len;
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE))
return _SUCCESS;
if (!check_fwstate(pmlmepriv, _FW_LINKED) &&
!check_fwstate(pmlmepriv,
WIFI_ADHOC_MASTER_STATE | WIFI_AP_STATE))
return _SUCCESS;
if (unlikely(!ieee80211_is_probe_req(mgmt->frame_control))) {
printk(KERN_WARNING "%s: Received non probe request frame\n",
__func__);
return _FAIL;
}
len -= offsetof(struct ieee80211_mgmt, u.probe_req.variable);
ie = cfg80211_find_ie(WLAN_EID_SSID, mgmt->u.probe_req.variable, len);
/* check (wildcard) SSID */
if (!ie)
goto out;
if ((ie[1] && memcmp(ie + 2, cur->Ssid.ssid, cur->Ssid.ssid_len)) ||
(ie[1] == 0 && pmlmeinfo->hidden_ssid_mode)) {
return _SUCCESS;
}
if (check_fwstate(pmlmepriv, _FW_LINKED) &&
pmlmepriv->cur_network.join_res)
issue_probersp(padapter, mgmt->sa);
out:
return _SUCCESS;
}
static int
OnProbeRsp23a(struct rtw_adapter *padapter, struct recv_frame *precv_frame)
{
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
if (pmlmeext->sitesurvey_res.state == SCAN_PROCESS) {
report_survey_event23a(padapter, precv_frame);
return _SUCCESS;
}
return _SUCCESS;
}
static int
OnBeacon23a(struct rtw_adapter *padapter, struct recv_frame *precv_frame)
{
int cam_idx;
struct sta_info *psta;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct sta_priv *pstapriv = &padapter->stapriv;
struct sk_buff *skb = precv_frame->pkt;
struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) skb->data;
int pkt_len = skb->len;
struct wlan_bssid_ex *pbss;
int ret = _SUCCESS;
u8 *p, *pie;
int pie_len;
u32 ielen = 0;
pie = mgmt->u.beacon.variable;
pie_len = pkt_len - offsetof(struct ieee80211_mgmt, u.beacon.variable);
p = rtw_get_ie23a(pie, WLAN_EID_EXT_SUPP_RATES, &ielen, pie_len);
if (p && ielen > 0) {
if (p[1 + ielen] == 0x2D && p[2 + ielen] != 0x2D) {
/* Invalid value 0x2D is detected in Extended Supported
* Rates (ESR) IE. Try to fix the IE length to avoid
* failed Beacon parsing.
*/
DBG_8723A("[WIFIDBG] Error in ESR IE is detected in "
"Beacon of BSSID: %pM. Fix the length of "
"ESR IE to avoid failed Beacon parsing.\n",
mgmt->bssid);
p[1] = ielen - 1;
}
}
if (pmlmeext->sitesurvey_res.state == SCAN_PROCESS) {
report_survey_event23a(padapter, precv_frame);
return _SUCCESS;
}
if (!ether_addr_equal(mgmt->bssid,
get_my_bssid23a(&pmlmeinfo->network)))
goto out;
if (pmlmeinfo->state & WIFI_FW_AUTH_NULL) {
/* we should update current network before auth,
or some IE is wrong */
pbss = collect_bss_info(padapter, precv_frame);
if (pbss) {
update_network23a(&pmlmepriv->cur_network.network, pbss,
padapter, true);
rtw_get_bcn_info23a(&pmlmepriv->cur_network);
kfree(pbss);
}
/* check the vendor of the assoc AP */
pmlmeinfo->assoc_AP_vendor =
check_assoc_AP23a((u8 *)&mgmt->u.beacon, pkt_len -
offsetof(struct ieee80211_mgmt, u));
/* update TSF Value */
rtw_update_TSF(pmlmeext, mgmt);
/* start auth */
start_clnt_auth(padapter);
return _SUCCESS;
}
if (((pmlmeinfo->state & 0x03) == MSR_AP) &&
(pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS)) {
psta = rtw_get_stainfo23a(pstapriv, mgmt->sa);
if (psta) {
ret = rtw_check_bcn_info23a(padapter, mgmt, pkt_len);
if (ret != _SUCCESS) {
DBG_8723A_LEVEL(_drv_always_, "ap has changed, "
"disconnect now\n");
receive_disconnect23a(padapter, pmlmeinfo->network.MacAddress, 65535);
return _SUCCESS;
}
/* update WMM, ERP in the beacon */
/* todo: the timer is used instead of
the number of the beacon received */
if ((sta_rx_pkts(psta) & 0xf) == 0) {
/* DBG_8723A("update_bcn_info\n"); */
update_beacon23a_info(padapter, mgmt,
pkt_len, psta);
}
}
} else if ((pmlmeinfo->state&0x03) == MSR_ADHOC) {
psta = rtw_get_stainfo23a(pstapriv, mgmt->sa);
if (psta) {
/* update WMM, ERP in the beacon */
/* todo: the timer is used instead of the
number of the beacon received */
if ((sta_rx_pkts(psta) & 0xf) == 0) {
/* DBG_8723A("update_bcn_info\n"); */
update_beacon23a_info(padapter, mgmt,
pkt_len, psta);
}
} else {
/* allocate a new CAM entry for IBSS station */
cam_idx = allocate_fw_sta_entry23a(padapter);
if (cam_idx == NUM_STA)
goto out;
/* get supported rate */
if (update_sta_support_rate23a(padapter, pie, pie_len,
cam_idx) == _FAIL) {
pmlmeinfo->FW_sta_info[cam_idx].status = 0;
goto out;
}
/* update TSF Value */
rtw_update_TSF(pmlmeext, mgmt);
/* report sta add event */
report_add_sta_event23a(padapter, mgmt->sa,
cam_idx);
}
}
out:
return _SUCCESS;
}
#ifdef CONFIG_8723AU_AP_MODE
static int
OnAuth23a(struct rtw_adapter *padapter, struct recv_frame *precv_frame)
{
static struct sta_info stat;
struct sta_info *pstat = NULL;
struct sta_priv *pstapriv = &padapter->stapriv;
struct security_priv *psecuritypriv = &padapter->securitypriv;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
struct sk_buff *skb = precv_frame->pkt;
struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) skb->data;
u8 *pframe;
const u8 *p;
unsigned char *sa;
u16 auth_mode, seq, algorithm;
int status, len = skb->len;
if ((pmlmeinfo->state & 0x03) != MSR_AP)
return _FAIL;
DBG_8723A("+OnAuth23a\n");
sa = mgmt->sa;
auth_mode = psecuritypriv->dot11AuthAlgrthm;
pframe = mgmt->u.auth.variable;
len = skb->len - offsetof(struct ieee80211_mgmt, u.auth.variable);
seq = le16_to_cpu(mgmt->u.auth.auth_transaction);
algorithm = le16_to_cpu(mgmt->u.auth.auth_alg);
DBG_8723A("auth alg =%x, seq =%X\n", algorithm, seq);
if (auth_mode == 2 &&
psecuritypriv->dot11PrivacyAlgrthm != WLAN_CIPHER_SUITE_WEP40 &&
psecuritypriv->dot11PrivacyAlgrthm != WLAN_CIPHER_SUITE_WEP104)
auth_mode = 0;
/* rx a shared-key auth but shared not enabled, or */
/* rx a open-system auth but shared-key is enabled */
if ((algorithm != WLAN_AUTH_OPEN && auth_mode == 0) ||
(algorithm == WLAN_AUTH_OPEN && auth_mode == 1)) {
DBG_8723A("auth rejected due to bad alg [alg =%d, auth_mib "
"=%d] %02X%02X%02X%02X%02X%02X\n",
algorithm, auth_mode,
sa[0], sa[1], sa[2], sa[3], sa[4], sa[5]);
status = WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG;
goto auth_fail;
}
if (rtw_access_ctrl23a(padapter, sa) == false) {
status = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
goto auth_fail;
}
pstat = rtw_get_stainfo23a(pstapriv, sa);
if (!pstat) {
/* allocate a new one */
DBG_8723A("going to alloc stainfo for sa =%pM\n", sa);
pstat = rtw_alloc_stainfo23a(pstapriv, sa, GFP_ATOMIC);
if (!pstat) {
DBG_8723A(" Exceed the upper limit of supported "
"clients...\n");
status = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
goto auth_fail;
}
pstat->state = WIFI_FW_AUTH_NULL;
pstat->auth_seq = 0;
/* pstat->flags = 0; */
/* pstat->capability = 0; */
} else {
spin_lock_bh(&pstapriv->asoc_list_lock);
if (!list_empty(&pstat->asoc_list)) {
list_del_init(&pstat->asoc_list);
pstapriv->asoc_list_cnt--;
if (pstat->expire_to > 0) {
/* TODO: STA re_auth within expire_to */
}
}
spin_unlock_bh(&pstapriv->asoc_list_lock);
if (seq == 1) {
/* TODO: STA re_auth and auth timeout */
}
}
spin_lock_bh(&pstapriv->auth_list_lock);
if (list_empty(&pstat->auth_list)) {
list_add_tail(&pstat->auth_list, &pstapriv->auth_list);
pstapriv->auth_list_cnt++;
}
spin_unlock_bh(&pstapriv->auth_list_lock);
if (pstat->auth_seq == 0)
pstat->expire_to = pstapriv->auth_to;
if ((pstat->auth_seq + 1) != seq) {
DBG_8723A("(1)auth rejected because out of seq [rx_seq =%d, "
"exp_seq =%d]!\n", seq, pstat->auth_seq+1);
status = WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION;
goto auth_fail;
}
if (algorithm == WLAN_AUTH_OPEN && (auth_mode == 0 || auth_mode == 2)) {
if (seq == 1) {
pstat->state &= ~WIFI_FW_AUTH_NULL;
pstat->state |= WIFI_FW_AUTH_SUCCESS;
pstat->expire_to = pstapriv->assoc_to;
pstat->authalg = algorithm;
} else {
DBG_8723A("(2)auth rejected because out of seq "
"[rx_seq =%d, exp_seq =%d]!\n",
seq, pstat->auth_seq+1);
status = WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION;
goto auth_fail;
}
} else { /* shared system or auto authentication */
if (seq == 1) {
/* prepare for the challenging txt... */
pstat->state &= ~WIFI_FW_AUTH_NULL;
pstat->state |= WIFI_FW_AUTH_STATE;
pstat->authalg = algorithm;
pstat->auth_seq = 2;
} else if (seq == 3) {
/* checking for challenging txt... */
DBG_8723A("checking for challenging txt...\n");
p = cfg80211_find_ie(WLAN_EID_CHALLENGE, pframe, len);
if (!p || p[1] <= 0) {
DBG_8723A("auth rejected because challenge "
"failure!(1)\n");
status = WLAN_STATUS_CHALLENGE_FAIL;
goto auth_fail;
}
if (!memcmp(p + 2, pstat->chg_txt, 128)) {
pstat->state &= ~WIFI_FW_AUTH_STATE;
pstat->state |= WIFI_FW_AUTH_SUCCESS;
/* challenging txt is correct... */
pstat->expire_to = pstapriv->assoc_to;
} else {
DBG_8723A("auth rejected because challenge "
"failure!\n");
status = WLAN_STATUS_CHALLENGE_FAIL;
goto auth_fail;
}
} else {
DBG_8723A("(3)auth rejected because out of seq "
"[rx_seq =%d, exp_seq =%d]!\n",
seq, pstat->auth_seq+1);
status = WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION;
goto auth_fail;
}
}
/* Now, we are going to issue_auth... */
pstat->auth_seq = seq + 1;
issue_auth(padapter, pstat, WLAN_STATUS_SUCCESS);
if (pstat->state & WIFI_FW_AUTH_SUCCESS)
pstat->auth_seq = 0;
return _SUCCESS;
auth_fail:
if (pstat)
rtw_free_stainfo23a(padapter, pstat);
pstat = &stat;
memset((char *)pstat, '\0', sizeof(stat));
pstat->auth_seq = 2;
ether_addr_copy(pstat->hwaddr, sa);
issue_auth(padapter, pstat, (unsigned short)status);
return _FAIL;
}
#endif
static int
OnAuth23aClient23a(struct rtw_adapter *padapter, struct recv_frame *precv_frame)
{
unsigned int seq, status, algthm;
unsigned int go2asoc = 0;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
struct sk_buff *skb = precv_frame->pkt;
struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) skb->data;
const u8 *p;
u8 *pie;
int plen = skb->len;
DBG_8723A("%s\n", __func__);
/* check A1 matches or not */
if (!ether_addr_equal(myid(&padapter->eeprompriv), mgmt->da))
return _SUCCESS;
if (!(pmlmeinfo->state & WIFI_FW_AUTH_STATE))
return _SUCCESS;
pie = mgmt->u.auth.variable;
plen -= offsetof(struct ieee80211_mgmt, u.auth.variable);
algthm = le16_to_cpu(mgmt->u.auth.auth_alg);
seq = le16_to_cpu(mgmt->u.auth.auth_transaction);
status = le16_to_cpu(mgmt->u.auth.status_code);
if (status) {
DBG_8723A("clnt auth fail, status: %d\n", status);
/* pmlmeinfo->auth_algo == dot11AuthAlgrthm_Auto) */
if (status == WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG) {
if (pmlmeinfo->auth_algo == dot11AuthAlgrthm_Shared)
pmlmeinfo->auth_algo = dot11AuthAlgrthm_Open;
else
pmlmeinfo->auth_algo = dot11AuthAlgrthm_Shared;
/* pmlmeinfo->reauth_count = 0; */
}
set_link_timer(pmlmeext, 1);
goto authclnt_fail;
}
if (seq == 2) {
if (pmlmeinfo->auth_algo == dot11AuthAlgrthm_Shared) {
/* legendary shared system */
p = cfg80211_find_ie(WLAN_EID_CHALLENGE, pie, plen);
if (!p) {
/* DBG_8723A("marc: no challenge text?\n"); */
goto authclnt_fail;
}
memcpy((void *)(pmlmeinfo->chg_txt), p + 2, p[1]);
pmlmeinfo->auth_seq = 3;
issue_auth(padapter, NULL, 0);
set_link_timer(pmlmeext, REAUTH_TO);
return _SUCCESS;
} else {
/* open system */
go2asoc = 1;
}
} else if (seq == 4) {
if (pmlmeinfo->auth_algo == dot11AuthAlgrthm_Shared)
go2asoc = 1;
else
goto authclnt_fail;
} else {
/* this is also illegal */
/* DBG_8723A("marc: clnt auth failed due to illegal seq =%x\n",
seq); */
goto authclnt_fail;
}
if (go2asoc) {
DBG_8723A_LEVEL(_drv_always_, "auth success, start assoc\n");
start_clnt_assoc(padapter);
return _SUCCESS;
}
authclnt_fail:
/* pmlmeinfo->state &= ~(WIFI_FW_AUTH_STATE); */
return _FAIL;
}
#ifdef CONFIG_8723AU_AP_MODE
static int rtw_validate_vendor_specific_ies(const u8 *pos, int elen)
{
unsigned int oui;
/* first 3 bytes in vendor specific information element are the IEEE
* OUI of the vendor. The following byte is used a vendor specific
* sub-type. */
if (elen < 4) {
DBG_8723A("short vendor specific information element "
"ignored (len =%i)\n", elen);
return -EINVAL;
}
oui = RTW_GET_BE24(pos);
switch (oui) {
case WLAN_OUI_MICROSOFT:
/* Microsoft/Wi-Fi information elements are further typed and
* subtyped */
switch (pos[3]) {
case WLAN_OUI_TYPE_MICROSOFT_WPA:
/* Microsoft OUI (00:50:F2) with OUI Type 1:
* real WPA information element */
break;
case WLAN_OUI_TYPE_MICROSOFT_WMM:
if (elen < 5) {
DBG_8723A("short WME information element "
"ignored (len =%i)\n", elen);
return -EINVAL;
}
switch (pos[4]) {
case WME_OUI_SUBTYPE_INFORMATION_ELEMENT:
case WME_OUI_SUBTYPE_PARAMETER_ELEMENT:
break;
case WME_OUI_SUBTYPE_TSPEC_ELEMENT:
break;
default:
DBG_8723A("unknown WME information element "
"ignored (subtype =%d len =%i)\n",
pos[4], elen);
return -EINVAL;
}
break;
case WLAN_OUI_TYPE_MICROSOFT_WPS:
/* Wi-Fi Protected Setup (WPS) IE */
break;
default:
DBG_8723A("Unknown Microsoft information element "
"ignored (type =%d len =%i)\n",
pos[3], elen);
return -EINVAL;
}
break;
case OUI_BROADCOM:
switch (pos[3]) {
case VENDOR_HT_CAPAB_OUI_TYPE:
break;
default:
DBG_8723A("Unknown Broadcom information element "
"ignored (type =%d len =%i)\n", pos[3], elen);
return -EINVAL;
}
break;
default:
DBG_8723A("unknown vendor specific information element "
"ignored (vendor OUI %02x:%02x:%02x len =%i)\n",
pos[0], pos[1], pos[2], elen);
return -EINVAL;
}
return 0;
}
static int rtw_validate_frame_ies(const u8 *start, uint len)
{
const u8 *pos = start;
int left = len;
int unknown = 0;
while (left >= 2) {
u8 id, elen;
id = *pos++;
elen = *pos++;
left -= 2;
if (elen > left) {
DBG_8723A("%s: IEEE 802.11 failed (id =%d elen =%d "
"left =%i)\n", __func__, id, elen, left);
return -EINVAL;
}
switch (id) {
case WLAN_EID_SSID:
case WLAN_EID_SUPP_RATES:
case WLAN_EID_FH_PARAMS:
case WLAN_EID_DS_PARAMS:
case WLAN_EID_CF_PARAMS:
case WLAN_EID_TIM:
case WLAN_EID_IBSS_PARAMS:
case WLAN_EID_CHALLENGE:
case WLAN_EID_ERP_INFO:
case WLAN_EID_EXT_SUPP_RATES:
break;
case WLAN_EID_VENDOR_SPECIFIC:
if (rtw_validate_vendor_specific_ies(pos, elen))
unknown++;
break;
case WLAN_EID_RSN:
case WLAN_EID_PWR_CAPABILITY:
case WLAN_EID_SUPPORTED_CHANNELS:
case WLAN_EID_MOBILITY_DOMAIN:
case WLAN_EID_FAST_BSS_TRANSITION:
case WLAN_EID_TIMEOUT_INTERVAL:
case WLAN_EID_HT_CAPABILITY:
case WLAN_EID_HT_OPERATION:
default:
unknown++;
DBG_8723A("%s IEEE 802.11 ignored unknown element "
"(id =%d elen =%d)\n", __func__, id, elen);
break;
}
left -= elen;
pos += elen;
}
if (left)
return -EINVAL;
return 0;
}
#endif
static int
OnAssocReq23a(struct rtw_adapter *padapter, struct recv_frame *precv_frame)
{
#ifdef CONFIG_8723AU_AP_MODE
u16 capab_info, listen_interval;
struct sta_info *pstat;
unsigned char reassoc;
int i, wpa_ie_len, left;
unsigned char supportRate[16];
int supportRateNum;
unsigned short status = WLAN_STATUS_SUCCESS;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct security_priv *psecuritypriv = &padapter->securitypriv;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
struct wlan_bssid_ex *cur = &pmlmeinfo->network;
struct sta_priv *pstapriv = &padapter->stapriv;
struct sk_buff *skb = precv_frame->pkt;
struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) skb->data;
const u8 *pos, *p, *wpa_ie, *wps_ie;
u8 *pframe = skb->data;
uint pkt_len = skb->len;
int r;
if ((pmlmeinfo->state & 0x03) != MSR_AP)
return _FAIL;
left = pkt_len - sizeof(struct ieee80211_hdr_3addr);
if (ieee80211_is_assoc_req(mgmt->frame_control)) {
reassoc = 0;
pos = mgmt->u.assoc_req.variable;
left -= offsetof(struct ieee80211_mgmt, u.assoc_req.variable);
} else { /* WIFI_REASSOCREQ */
reassoc = 1;
pos = mgmt->u.reassoc_req.variable;
left -= offsetof(struct ieee80211_mgmt, u.reassoc_req.variable);
}
if (left < 0) {
DBG_8723A("handle_assoc(reassoc =%d) - too short payload "
"(len =%lu)\n", reassoc, (unsigned long)pkt_len);
return _FAIL;
}
pstat = rtw_get_stainfo23a(pstapriv, mgmt->sa);
if (!pstat) {
status = WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA;
goto asoc_class2_error;
}
/* These two are located at the same offsets whether it's an
* assoc_req or a reassoc_req */
capab_info = get_unaligned_le16(&mgmt->u.assoc_req.capab_info);
listen_interval =
get_unaligned_le16(&mgmt->u.assoc_req.listen_interval);
DBG_8723A("%s\n", __func__);
/* check if this stat has been successfully authenticated/assocated */
if (!(pstat->state & WIFI_FW_AUTH_SUCCESS)) {
if (!(pstat->state & WIFI_FW_ASSOC_SUCCESS)) {
status = WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA;
goto asoc_class2_error;
} else {
pstat->state &= (~WIFI_FW_ASSOC_SUCCESS);
pstat->state |= WIFI_FW_ASSOC_STATE;
}
} else {
pstat->state &= (~WIFI_FW_AUTH_SUCCESS);
pstat->state |= WIFI_FW_ASSOC_STATE;
}
pstat->capability = capab_info;
/* now parse all ieee802_11 ie to point to elems */
if (rtw_validate_frame_ies(pos, left)) {
DBG_8723A("STA %pM sent invalid association request\n",
pstat->hwaddr);
status = WLAN_STATUS_UNSPECIFIED_FAILURE;
goto OnAssocReq23aFail;
}
/* now we should check all the fields... */
/* checking SSID */
p = cfg80211_find_ie(WLAN_EID_SSID, pos, left);
if (!p || p[1] == 0) {
/* broadcast ssid, however it is not allowed in assocreq */
DBG_8723A("STA %pM sent invalid association request lacking an SSID\n",
pstat->hwaddr);
status = WLAN_STATUS_UNSPECIFIED_FAILURE;
goto OnAssocReq23aFail;
} else {
/* check if ssid match */
if (memcmp(p + 2, cur->Ssid.ssid, cur->Ssid.ssid_len))
status = WLAN_STATUS_UNSPECIFIED_FAILURE;
if (p[1] != cur->Ssid.ssid_len)
status = WLAN_STATUS_UNSPECIFIED_FAILURE;
}
if (status != WLAN_STATUS_SUCCESS)
goto OnAssocReq23aFail;
/* check if the supported rate is ok */
p = cfg80211_find_ie(WLAN_EID_SUPP_RATES, pos, left);
if (!p) {
DBG_8723A("Rx a sta assoc-req which supported rate is "
"empty!\n");
/* use our own rate set as statoin used */
/* memcpy(supportRate, AP_BSSRATE, AP_BSSRATE_LEN); */
/* supportRateNum = AP_BSSRATE_LEN; */
status = WLAN_STATUS_UNSPECIFIED_FAILURE;
goto OnAssocReq23aFail;
} else {
memcpy(supportRate, p + 2, p[1]);
supportRateNum = p[1];
p = cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES, pos, left);
if (p) {
if (supportRateNum <= sizeof(supportRate)) {
memcpy(supportRate+supportRateNum, p + 2, p[1]);
supportRateNum += p[1];
}
}
}
/* todo: mask supportRate between AP & STA -> move to update raid */
/* get_matched_rate(pmlmeext, supportRate, &supportRateNum, 0); */
/* update station supportRate */
pstat->bssratelen = supportRateNum;
memcpy(pstat->bssrateset, supportRate, supportRateNum);
Update23aTblForSoftAP(pstat->bssrateset, pstat->bssratelen);
/* check RSN/WPA/WPS */
pstat->dot8021xalg = 0;
pstat->wpa_psk = 0;
pstat->wpa_group_cipher = 0;
pstat->wpa2_group_cipher = 0;
pstat->wpa_pairwise_cipher = 0;
pstat->wpa2_pairwise_cipher = 0;
memset(pstat->wpa_ie, 0, sizeof(pstat->wpa_ie));
wpa_ie = cfg80211_find_ie(WLAN_EID_RSN, pos, left);
if (!wpa_ie)
wpa_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
WLAN_OUI_TYPE_MICROSOFT_WPA,
pos, left);
if (wpa_ie) {
int group_cipher = 0, pairwise_cipher = 0;
wpa_ie_len = wpa_ie[1];
if (psecuritypriv->wpa_psk & BIT(1)) {
r = rtw_parse_wpa2_ie23a(wpa_ie, wpa_ie_len + 2,
&group_cipher,
&pairwise_cipher, NULL);
if (r == _SUCCESS) {
pstat->dot8021xalg = 1;/* psk, todo:802.1x */
pstat->wpa_psk |= BIT(1);
pstat->wpa2_group_cipher = group_cipher &
psecuritypriv->wpa2_group_cipher;
pstat->wpa2_pairwise_cipher = pairwise_cipher &
psecuritypriv->wpa2_pairwise_cipher;
} else
status = WLAN_STATUS_INVALID_IE;
} else if (psecuritypriv->wpa_psk & BIT(0)) {
r = rtw_parse_wpa_ie23a(wpa_ie, wpa_ie_len + 2,
&group_cipher, &pairwise_cipher,
NULL);
if (r == _SUCCESS) {
pstat->dot8021xalg = 1;/* psk, todo:802.1x */
pstat->wpa_psk |= BIT(0);
pstat->wpa_group_cipher = group_cipher &
psecuritypriv->wpa_group_cipher;
pstat->wpa_pairwise_cipher = pairwise_cipher &
psecuritypriv->wpa_pairwise_cipher;
} else
status = WLAN_STATUS_INVALID_IE;
} else {
wpa_ie = NULL;
wpa_ie_len = 0;
}
if (wpa_ie && status == WLAN_STATUS_SUCCESS) {
if (!pstat->wpa_group_cipher)
status = WLAN_STATUS_INVALID_GROUP_CIPHER;
if (!pstat->wpa_pairwise_cipher)
status = WLAN_STATUS_INVALID_PAIRWISE_CIPHER;
}
}
if (status != WLAN_STATUS_SUCCESS)
goto OnAssocReq23aFail;
pstat->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS);
wps_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
WLAN_OUI_TYPE_MICROSOFT_WPS,
pos, left);
if (!wpa_ie) {
if (wps_ie) {
DBG_8723A("STA included WPS IE in (Re)Association "
"Request - assume WPS is used\n");
pstat->flags |= WLAN_STA_WPS;
} else {
DBG_8723A("STA did not include WPA/RSN IE in (Re)"
"Association Request - possible WPS use\n");
pstat->flags |= WLAN_STA_MAYBE_WPS;
}
} else {
int copy_len;
if (psecuritypriv->wpa_psk == 0) {
DBG_8723A("STA %pM: WPA/RSN IE in association request, but AP don't support WPA/RSN\n",
pstat->hwaddr);
status = WLAN_STATUS_INVALID_IE;
goto OnAssocReq23aFail;
}
if (wps_ie) {
DBG_8723A("STA included WPS IE in (Re)Association "
"Request - WPS is used\n");
pstat->flags |= WLAN_STA_WPS;
copy_len = 0;
} else {
copy_len = ((wpa_ie_len + 2) > sizeof(pstat->wpa_ie)) ?
sizeof(pstat->wpa_ie) : (wpa_ie_len + 2);
}
if (copy_len > 0)
memcpy(pstat->wpa_ie, wpa_ie - 2, copy_len);
}
/* check if there is WMM IE & support WWM-PS */
pstat->flags &= ~WLAN_STA_WME;
pstat->qos_option = 0;
pstat->qos_info = 0;
pstat->has_legacy_ac = true;
pstat->uapsd_vo = 0;
pstat->uapsd_vi = 0;
pstat->uapsd_be = 0;
pstat->uapsd_bk = 0;
if (pmlmepriv->qos_option) {
const u8 *end = pos + left;
p = pos;
for (;;) {
left = end - p;
p = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
WLAN_OUI_TYPE_MICROSOFT_WMM,
p, left);
if (p) {
pstat->flags |= WLAN_STA_WME;
pstat->qos_option = 1;
pstat->qos_info = *(p + 8);
pstat->max_sp_len =
(pstat->qos_info >> 5) & 0x3;
if ((pstat->qos_info & 0xf) != 0xf)
pstat->has_legacy_ac = true;
else
pstat->has_legacy_ac = false;
if (pstat->qos_info & 0xf) {
if (pstat->qos_info & BIT(0))
pstat->uapsd_vo = BIT(0)|BIT(1);
else
pstat->uapsd_vo = 0;
if (pstat->qos_info & BIT(1))
pstat->uapsd_vi = BIT(0)|BIT(1);
else
pstat->uapsd_vi = 0;
if (pstat->qos_info & BIT(2))
pstat->uapsd_bk = BIT(0)|BIT(1);
else
pstat->uapsd_bk = 0;
if (pstat->qos_info & BIT(3))
pstat->uapsd_be = BIT(0)|BIT(1);
else
pstat->uapsd_be = 0;
break;
}
} else {
break;
}
p = p + p[1] + 2;
}
}
/* save HT capabilities in the sta object */
memset(&pstat->htpriv.ht_cap, 0, sizeof(struct ieee80211_ht_cap));
p = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, pos, left);
if (p && p[1] >= sizeof(struct ieee80211_ht_cap)) {
pstat->flags |= WLAN_STA_HT;
pstat->flags |= WLAN_STA_WME;
memcpy(&pstat->htpriv.ht_cap, p + 2,
sizeof(struct ieee80211_ht_cap));
} else
pstat->flags &= ~WLAN_STA_HT;
if (!pmlmepriv->htpriv.ht_option && pstat->flags & WLAN_STA_HT){
status = WLAN_STATUS_UNSPECIFIED_FAILURE;
goto OnAssocReq23aFail;
}
if (pstat->flags & WLAN_STA_HT &&
(pstat->wpa2_pairwise_cipher & WPA_CIPHER_TKIP ||
pstat->wpa_pairwise_cipher & WPA_CIPHER_TKIP)) {
DBG_8723A("HT: %pM tried to use TKIP with HT association\n",
pstat->hwaddr);
/* status = WLAN_STATUS_CIPHER_REJECTED_PER_POLICY; */
/* goto OnAssocReq23aFail; */
}
pstat->flags |= WLAN_STA_NONERP;
for (i = 0; i < pstat->bssratelen; i++) {
if ((pstat->bssrateset[i] & 0x7f) > 22) {
pstat->flags &= ~WLAN_STA_NONERP;
break;
}
}
if (pstat->capability & WLAN_CAPABILITY_SHORT_PREAMBLE)
pstat->flags |= WLAN_STA_SHORT_PREAMBLE;
else
pstat->flags &= ~WLAN_STA_SHORT_PREAMBLE;
if (status != WLAN_STATUS_SUCCESS)
goto OnAssocReq23aFail;
/* TODO: identify_proprietary_vendor_ie(); */
/* Realtek proprietary IE */
/* identify if this is Broadcom sta */
/* identify if this is ralink sta */
/* Customer proprietary IE */
/* get a unique AID */
if (pstat->aid > 0) {
DBG_8723A(" old AID %d\n", pstat->aid);
} else {
for (pstat->aid = 1; pstat->aid <= NUM_STA; pstat->aid++)
if (pstapriv->sta_aid[pstat->aid - 1] == NULL)
break;
if (pstat->aid > NUM_STA)
pstat->aid = NUM_STA;
if (pstat->aid > pstapriv->max_num_sta) {
pstat->aid = 0;
DBG_8723A(" no room for more AIDs\n");
status = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
goto OnAssocReq23aFail;
} else {
pstapriv->sta_aid[pstat->aid - 1] = pstat;
DBG_8723A("allocate new AID = (%d)\n", pstat->aid);
}
}
pstat->state &= ~WIFI_FW_ASSOC_STATE;
pstat->state |= WIFI_FW_ASSOC_SUCCESS;
spin_lock_bh(&pstapriv->auth_list_lock);
if (!list_empty(&pstat->auth_list)) {
list_del_init(&pstat->auth_list);
pstapriv->auth_list_cnt--;
}
spin_unlock_bh(&pstapriv->auth_list_lock);
spin_lock_bh(&pstapriv->asoc_list_lock);
if (list_empty(&pstat->asoc_list)) {
pstat->expire_to = pstapriv->expire_to;
list_add_tail(&pstat->asoc_list, &pstapriv->asoc_list);
pstapriv->asoc_list_cnt++;
}
spin_unlock_bh(&pstapriv->asoc_list_lock);
/* now the station is qualified to join our BSS... */
if (pstat->state & WIFI_FW_ASSOC_SUCCESS &&
status == WLAN_STATUS_SUCCESS) {
/* 1 bss_cap_update & sta_info_update23a */
bss_cap_update_on_sta_join23a(padapter, pstat);
sta_info_update23a(padapter, pstat);
/* issue assoc rsp before notify station join event. */
if (ieee80211_is_assoc_req(mgmt->frame_control))
issue_assocrsp(padapter, status, pstat,
IEEE80211_STYPE_ASSOC_RESP);
else
issue_assocrsp(padapter, status, pstat,
IEEE80211_STYPE_REASSOC_RESP);
/* 2 - report to upper layer */
DBG_8723A("indicate_sta_join_event to upper layer - hostapd\n");
rtw_cfg80211_indicate_sta_assoc(padapter, pframe, pkt_len);
/* 3-(1) report sta add event */
report_add_sta_event23a(padapter, pstat->hwaddr, pstat->aid);
}
return _SUCCESS;
asoc_class2_error:
issue_deauth23a(padapter, mgmt->sa, status);
return _FAIL;
OnAssocReq23aFail:
pstat->aid = 0;
if (ieee80211_is_assoc_req(mgmt->frame_control))
issue_assocrsp(padapter, status, pstat,
IEEE80211_STYPE_ASSOC_RESP);
else
issue_assocrsp(padapter, status, pstat,
IEEE80211_STYPE_REASSOC_RESP);
#endif /* CONFIG_8723AU_AP_MODE */
return _FAIL;
}
static int
OnAssocRsp23a(struct rtw_adapter *padapter, struct recv_frame *precv_frame)
{
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
struct sk_buff *skb = precv_frame->pkt;
struct ieee80211_mgmt *pmgmt = (struct ieee80211_mgmt *) skb->data;
int res;
unsigned short status;
const u8 *p, *pie;
u8 *pframe = skb->data;
int pkt_len = skb->len;
int pielen;
DBG_8723A("%s\n", __func__);
/* check A1 matches or not */
if (!ether_addr_equal(myid(&padapter->eeprompriv), pmgmt->da))
return _SUCCESS;
if (!(pmlmeinfo->state & (WIFI_FW_AUTH_SUCCESS | WIFI_FW_ASSOC_STATE)))
return _SUCCESS;
if (pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS)
return _SUCCESS;
del_timer_sync(&pmlmeext->link_timer);
/* status */
status = le16_to_cpu(pmgmt->u.assoc_resp.status_code);
if (status > 0) {
DBG_8723A("assoc reject, status code: %d\n", status);
pmlmeinfo->state = MSR_NOLINK;
res = -4;
goto report_assoc_result;
}
/* get capabilities */
pmlmeinfo->capability = le16_to_cpu(pmgmt->u.assoc_resp.capab_info);
/* set slot time */
pmlmeinfo->slotTime = (pmlmeinfo->capability & BIT(10))? 9: 20;
/* AID */
res = pmlmeinfo->aid = le16_to_cpu(pmgmt->u.assoc_resp.aid) & 0x3fff;
pie = pframe + offsetof(struct ieee80211_mgmt, u.assoc_resp.variable);
pielen = pkt_len -
offsetof(struct ieee80211_mgmt, u.assoc_resp.variable);
p = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY,
pmgmt->u.assoc_resp.variable, pielen);
if (p && p[1])
HT_caps_handler23a(padapter, p);
p = cfg80211_find_ie(WLAN_EID_HT_OPERATION,
pmgmt->u.assoc_resp.variable, pielen);
if (p && p[1])
HT_info_handler23a(padapter, p);
p = cfg80211_find_ie(WLAN_EID_ERP_INFO,
pmgmt->u.assoc_resp.variable, pielen);
if (p && p[1])
ERP_IE_handler23a(padapter, p);
pie = pframe + offsetof(struct ieee80211_mgmt, u.assoc_resp.variable);
while (true) {
p = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
WLAN_OUI_TYPE_MICROSOFT_WMM,
pie, pframe + pkt_len - pie);
if (!p)
break;
pie = p + p[1] + 2;
/* if this IE is too short, try the next */
if (p[1] <= 4)
continue;
/* if this IE is WMM params, we found what we wanted */
if (p[6] == 1)
break;
}
if (p && p[1])
WMM_param_handler23a(padapter, p);
pmlmeinfo->state &= ~WIFI_FW_ASSOC_STATE;
pmlmeinfo->state |= WIFI_FW_ASSOC_SUCCESS;
/* Update Basic Rate Table for spec, 2010-12-28 , by thomas */
UpdateBrateTbl23a(padapter, pmlmeinfo->network.SupportedRates);
report_assoc_result:
pmlmepriv->assoc_rsp_len = 0;
if (res > 0) {
kfree(pmlmepriv->assoc_rsp);
pmlmepriv->assoc_rsp = kmalloc(pkt_len, GFP_ATOMIC);
if (pmlmepriv->assoc_rsp) {
memcpy(pmlmepriv->assoc_rsp, pframe, pkt_len);
pmlmepriv->assoc_rsp_len = pkt_len;
}
} else
kfree(pmlmepriv->assoc_rsp);
report_join_res23a(padapter, res);
return _SUCCESS;
}
static int
OnDeAuth23a(struct rtw_adapter *padapter, struct recv_frame *precv_frame)
{
unsigned short reason;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
struct sk_buff *skb = precv_frame->pkt;
struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) skb->data;
if (!ether_addr_equal(mgmt->bssid,
get_my_bssid23a(&pmlmeinfo->network)))
return _SUCCESS;
reason = le16_to_cpu(mgmt->u.deauth.reason_code);
DBG_8723A("%s Reason code(%d)\n", __func__, reason);
#ifdef CONFIG_8723AU_AP_MODE
if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
struct sta_info *psta;
struct sta_priv *pstapriv = &padapter->stapriv;
DBG_8723A_LEVEL(_drv_always_, "ap recv deauth reason code(%d) "
"sta:%pM\n", reason, mgmt->sa);
psta = rtw_get_stainfo23a(pstapriv, mgmt->sa);
if (psta) {
u8 updated = 0;
spin_lock_bh(&pstapriv->asoc_list_lock);
if (!list_empty(&psta->asoc_list)) {
list_del_init(&psta->asoc_list);
pstapriv->asoc_list_cnt--;
updated = ap_free_sta23a(padapter, psta,
false, reason);
}
spin_unlock_bh(&pstapriv->asoc_list_lock);
associated_clients_update23a(padapter, updated);
}
return _SUCCESS;
} else
#endif
{
DBG_8723A_LEVEL(_drv_always_, "sta recv deauth reason code(%d) "
"sta:%pM\n", reason, mgmt->bssid);
receive_disconnect23a(padapter, mgmt->bssid, reason);
}
pmlmepriv->LinkDetectInfo.bBusyTraffic = false;
return _SUCCESS;
}
static int
OnDisassoc23a(struct rtw_adapter *padapter, struct recv_frame *precv_frame)
{
unsigned short reason;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
struct sk_buff *skb = precv_frame->pkt;
struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) skb->data;
if (!ether_addr_equal(mgmt->bssid,
get_my_bssid23a(&pmlmeinfo->network)))
return _SUCCESS;
reason = le16_to_cpu(mgmt->u.disassoc.reason_code);
DBG_8723A("%s Reason code(%d)\n", __func__, reason);
#ifdef CONFIG_8723AU_AP_MODE
if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
struct sta_info *psta;
struct sta_priv *pstapriv = &padapter->stapriv;
DBG_8723A_LEVEL(_drv_always_, "ap recv disassoc reason code(%d)"
" sta:%pM\n", reason, mgmt->sa);
psta = rtw_get_stainfo23a(pstapriv, mgmt->sa);
if (psta) {
u8 updated = 0;
spin_lock_bh(&pstapriv->asoc_list_lock);
if (!list_empty(&psta->asoc_list)) {
list_del_init(&psta->asoc_list);
pstapriv->asoc_list_cnt--;
updated = ap_free_sta23a(padapter, psta,
false, reason);
}
spin_unlock_bh(&pstapriv->asoc_list_lock);
associated_clients_update23a(padapter, updated);
}
return _SUCCESS;
} else
#endif
{
DBG_8723A_LEVEL(_drv_always_, "ap recv disassoc reason "
"code(%d) sta:%pM\n", reason, mgmt->bssid);
receive_disconnect23a(padapter, mgmt->bssid, reason);
}
pmlmepriv->LinkDetectInfo.bBusyTraffic = false;
return _SUCCESS;
}
static int
OnAtim23a(struct rtw_adapter *padapter, struct recv_frame *precv_frame)
{
DBG_8723A("%s\n", __func__);
return _SUCCESS;
}
static int
on_action_spct23a(struct rtw_adapter *padapter, struct recv_frame *precv_frame)
{
return _FAIL;
}
static int
OnAction23a_qos(struct rtw_adapter *padapter, struct recv_frame *precv_frame)
{
return _SUCCESS;
}
static int
OnAction23a_dls(struct rtw_adapter *padapter, struct recv_frame *precv_frame)
{
return _SUCCESS;
}
static int OnAction23a_back23a(struct rtw_adapter *padapter,
struct recv_frame *precv_frame)
{
u8 *addr;
struct sta_info *psta = NULL;
struct recv_reorder_ctrl *preorder_ctrl;
unsigned char category, action;
unsigned short tid, status, capab, params, reason_code = 0;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
struct sk_buff *skb = precv_frame->pkt;
struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) skb->data;
struct sta_priv *pstapriv = &padapter->stapriv;
/* check RA matches or not */
if (!ether_addr_equal(myid(&padapter->eeprompriv), mgmt->da))
return _SUCCESS;
DBG_8723A("%s\n", __func__);
if ((pmlmeinfo->state&0x03) != MSR_AP)
if (!(pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS))
return _SUCCESS;
addr = mgmt->sa;
psta = rtw_get_stainfo23a(pstapriv, addr);
if (!psta)
return _SUCCESS;
category = mgmt->u.action.category;
if (category == WLAN_CATEGORY_BACK) { /* representing Block Ack */
if (!pmlmeinfo->HT_enable)
return _SUCCESS;
/* action_code is located in the same place for all
action events, so pick any */
action = mgmt->u.action.u.wme_action.action_code;
DBG_8723A("%s, action =%d\n", __func__, action);
switch (action) {
case WLAN_ACTION_ADDBA_REQ: /* ADDBA request */
memcpy(&pmlmeinfo->ADDBA_req,
&mgmt->u.action.u.addba_req.dialog_token,
sizeof(struct ADDBA_request));
process_addba_req23a(padapter,
(u8 *)&pmlmeinfo->ADDBA_req, addr);
if (pmlmeinfo->bAcceptAddbaReq == true)
issue_action_BA23a(padapter, addr,
WLAN_ACTION_ADDBA_RESP, 0);
else {
/* reject ADDBA Req */
issue_action_BA23a(padapter, addr,
WLAN_ACTION_ADDBA_RESP, 37);
}
break;
case WLAN_ACTION_ADDBA_RESP: /* ADDBA response */
status = get_unaligned_le16(
&mgmt->u.action.u.addba_resp.status);
capab = get_unaligned_le16(
&mgmt->u.action.u.addba_resp.capab);
tid = (capab & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2;
if (status == 0) { /* successful */
DBG_8723A("agg_enable for TID =%d\n", tid);
psta->htpriv.agg_enable_bitmap |= BIT(tid);
psta->htpriv.candidate_tid_bitmap &= ~BIT(tid);
} else
psta->htpriv.agg_enable_bitmap &= ~BIT(tid);
break;
case WLAN_ACTION_DELBA: /* DELBA */
params = get_unaligned_le16(
&mgmt->u.action.u.delba.params);
tid = params >> 12;
if (params & IEEE80211_DELBA_PARAM_INITIATOR_MASK) {
preorder_ctrl = &psta->recvreorder_ctrl[tid];
preorder_ctrl->enable = false;
preorder_ctrl->indicate_seq = 0xffff;
} else {
psta->htpriv.agg_enable_bitmap &= ~BIT(tid);
psta->htpriv.candidate_tid_bitmap &= ~BIT(tid);
}
reason_code = get_unaligned_le16(
&mgmt->u.action.u.delba.reason_code);
/* todo: how to notify the host while receiving
DELETE BA */
break;
default:
break;
}
}
return _SUCCESS;
}
static int on_action_public23a(struct rtw_adapter *padapter,
struct recv_frame *precv_frame)
{
struct sk_buff *skb = precv_frame->pkt;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
u8 *pframe = skb->data;
int freq, channel;
/* check RA matches or not */
if (!ether_addr_equal(myid(&padapter->eeprompriv), hdr->addr1))
return _FAIL;
channel = rtw_get_oper_ch23a(padapter);
if (channel <= RTW_CH_MAX_2G_CHANNEL)
freq = ieee80211_channel_to_frequency(channel,
NL80211_BAND_2GHZ);
else
freq = ieee80211_channel_to_frequency(channel,
NL80211_BAND_5GHZ);
if (cfg80211_rx_mgmt(padapter->rtw_wdev, freq, 0, pframe,
skb->len, 0))
return _SUCCESS;
return _FAIL;
}
static int
OnAction23a_ht(struct rtw_adapter *padapter, struct recv_frame *precv_frame)
{
return _SUCCESS;
}
static int
OnAction23a_wmm(struct rtw_adapter *padapter, struct recv_frame *precv_frame)
{
return _SUCCESS;
}
static int
OnAction23a_p2p(struct rtw_adapter *padapter, struct recv_frame *precv_frame)
{
return _SUCCESS;
}
static int
OnAction23a(struct rtw_adapter *padapter, struct recv_frame *precv_frame)
{
int i;
u8 category;
struct action_handler *ptable;
struct sk_buff *skb = precv_frame->pkt;
struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) skb->data;
category = mgmt->u.action.category;
for (i = 0; i < ARRAY_SIZE(OnAction23a_tbl); i++) {
ptable = &OnAction23a_tbl[i];
if (category == ptable->num)
ptable->func(padapter, precv_frame);
}
return _SUCCESS;
}
static int DoReserved23a(struct rtw_adapter *padapter,
struct recv_frame *precv_frame)
{
return _SUCCESS;
}
struct xmit_frame *alloc_mgtxmitframe23a(struct xmit_priv *pxmitpriv)
{
struct xmit_frame *pmgntframe;
struct xmit_buf *pxmitbuf;
pmgntframe = rtw_alloc_xmitframe23a_ext(pxmitpriv);
if (!pmgntframe) {
DBG_8723A("%s(%s): alloc xmitframe fail\n", __func__,
pxmitpriv->adapter->pnetdev->name);
goto exit;
}
pxmitbuf = rtw_alloc_xmitbuf23a_ext(pxmitpriv);
if (!pxmitbuf) {
DBG_8723A("%s(%s): alloc xmitbuf fail\n", __func__,
pxmitpriv->adapter->pnetdev->name);
rtw_free_xmitframe23a(pxmitpriv, pmgntframe);
pmgntframe = NULL;
goto exit;
}
pmgntframe->frame_tag = MGNT_FRAMETAG;
pmgntframe->pxmitbuf = pxmitbuf;
pmgntframe->buf_addr = pxmitbuf->pbuf;
pxmitbuf->priv_data = pmgntframe;
exit:
return pmgntframe;
}
/****************************************************************************
Following are some TX functions for WiFi MLME
*****************************************************************************/
void update_mgnt_tx_rate23a(struct rtw_adapter *padapter, u8 rate)
{
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
pmlmeext->tx_rate = rate;
DBG_8723A("%s(): rate = %x\n", __func__, rate);
}
void update_mgntframe_attrib23a(struct rtw_adapter *padapter,
struct pkt_attrib *pattrib)
{
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
memset((u8 *)pattrib, 0, sizeof(struct pkt_attrib));
pattrib->hdrlen = 24;
pattrib->nr_frags = 1;
pattrib->priority = 7;
pattrib->mac_id = 0;
pattrib->qsel = 0x12;
pattrib->pktlen = 0;
if (pmlmeext->cur_wireless_mode & WIRELESS_11B)
pattrib->raid = 6;/* b mode */
else
pattrib->raid = 5;/* a/g mode */
pattrib->encrypt = 0;
pattrib->bswenc = false;
pattrib->qos_en = false;
pattrib->ht_en = false;
pattrib->bwmode = HT_CHANNEL_WIDTH_20;
pattrib->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
pattrib->sgi = false;
pattrib->seqnum = pmlmeext->mgnt_seq;
pattrib->retry_ctrl = true;
}
void dump_mgntframe23a(struct rtw_adapter *padapter,
struct xmit_frame *pmgntframe)
{
if (padapter->bSurpriseRemoved == true ||
padapter->bDriverStopped == true)
return;
rtl8723au_mgnt_xmit(padapter, pmgntframe);
}
int dump_mgntframe23a_and_wait(struct rtw_adapter *padapter,
struct xmit_frame *pmgntframe, int timeout_ms)
{
int ret = _FAIL;
unsigned long irqL;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
struct xmit_buf *pxmitbuf = pmgntframe->pxmitbuf;
struct submit_ctx sctx;
if (padapter->bSurpriseRemoved == true ||
padapter->bDriverStopped == true)
return ret;
rtw_sctx_init23a(&sctx, timeout_ms);
pxmitbuf->sctx = &sctx;
ret = rtl8723au_mgnt_xmit(padapter, pmgntframe);
if (ret == _SUCCESS)
ret = rtw_sctx_wait23a(&sctx);
spin_lock_irqsave(&pxmitpriv->lock_sctx, irqL);
pxmitbuf->sctx = NULL;
spin_unlock_irqrestore(&pxmitpriv->lock_sctx, irqL);
return ret;
}
int dump_mgntframe23a_and_wait_ack23a(struct rtw_adapter *padapter,
struct xmit_frame *pmgntframe)
{
int ret = _FAIL;
u32 timeout_ms = 500;/* 500ms */
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
if (padapter->bSurpriseRemoved == true ||
padapter->bDriverStopped == true)
return _FAIL;
mutex_lock(&pxmitpriv->ack_tx_mutex);
pxmitpriv->ack_tx = true;
pmgntframe->ack_report = 1;
if (rtl8723au_mgnt_xmit(padapter, pmgntframe) == _SUCCESS)
ret = rtw_ack_tx_wait23a(pxmitpriv, timeout_ms);
pxmitpriv->ack_tx = false;
mutex_unlock(&pxmitpriv->ack_tx_mutex);
return ret;
}
static int update_hidden_ssid(u8 *ies, u32 ies_len, u8 hidden_ssid_mode)
{
u8 *ssid_ie;
int ssid_len_ori;
int len_diff = 0;
u8 *next_ie;
u32 remain_len;
ssid_ie = rtw_get_ie23a(ies, WLAN_EID_SSID, &ssid_len_ori, ies_len);
/* DBG_8723A("%s hidden_ssid_mode:%u, ssid_ie:%p, ssid_len_ori:%d\n",
__func__, hidden_ssid_mode, ssid_ie, ssid_len_ori); */
if (ssid_ie && ssid_len_ori > 0) {
switch (hidden_ssid_mode) {
case 1:
next_ie = ssid_ie + 2 + ssid_len_ori;
remain_len = ies_len -(next_ie-ies);
ssid_ie[1] = 0;
memcpy(ssid_ie+2, next_ie, remain_len);
len_diff -= ssid_len_ori;
break;
case 2:
memset(&ssid_ie[2], 0, ssid_len_ori);
break;
default:
break;
}
}
return len_diff;
}
void issue_beacon23a(struct rtw_adapter *padapter, int timeout_ms)
{
struct xmit_frame *pmgntframe;
struct pkt_attrib *pattrib;
unsigned char *pframe;
struct ieee80211_mgmt *mgmt;
unsigned int rate_len;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
struct wlan_bssid_ex *cur_network = &pmlmeinfo->network;
u8 bc_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
const u8 *wps_ie;
u8 sr = 0;
int len_diff;
/* DBG_8723A("%s\n", __func__); */
pmgntframe = alloc_mgtxmitframe23a(pxmitpriv);
if (!pmgntframe) {
DBG_8723A("%s, alloc mgnt frame fail\n", __func__);
return;
}
#ifdef CONFIG_8723AU_AP_MODE
spin_lock_bh(&pmlmepriv->bcn_update_lock);
#endif
/* update attribute */
pattrib = &pmgntframe->attrib;
update_mgntframe_attrib23a(padapter, pattrib);
pattrib->qsel = 0x10;
memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
mgmt = (struct ieee80211_mgmt *)pframe;
mgmt->frame_control =
cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
mgmt->seq_ctrl = 0;
ether_addr_copy(mgmt->da, bc_addr);
ether_addr_copy(mgmt->sa, myid(&padapter->eeprompriv));
ether_addr_copy(mgmt->bssid, get_my_bssid23a(cur_network));
/* timestamp will be inserted by hardware */
put_unaligned_le16(cur_network->beacon_interval,
&mgmt->u.beacon.beacon_int);
put_unaligned_le16(cur_network->capability,
&mgmt->u.beacon.capab_info);
pframe = mgmt->u.beacon.variable;
pattrib->pktlen = offsetof(struct ieee80211_mgmt, u.beacon.variable);
if ((pmlmeinfo->state & 0x03) == MSR_AP) {
u8 *iebuf;
int buflen;
/* DBG_8723A("ie len =%d\n", cur_network->IELength); */
memcpy(pframe, cur_network->IEs, cur_network->IELength);
len_diff = update_hidden_ssid(pframe, cur_network->IELength,
pmlmeinfo->hidden_ssid_mode);
pframe += (cur_network->IELength+len_diff);
pattrib->pktlen += (cur_network->IELength+len_diff);
iebuf = mgmt->u.beacon.variable;
buflen = pattrib->pktlen -
offsetof(struct ieee80211_mgmt, u.beacon.variable);
wps_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
WLAN_OUI_TYPE_MICROSOFT_WPS,
iebuf, buflen);
if (wps_ie && wps_ie[1] > 0) {
rtw_get_wps_attr_content23a(wps_ie, wps_ie[1],
WPS_ATTR_SELECTED_REGISTRAR,
(u8 *)&sr);
}
if (sr != 0)
set_fwstate(pmlmepriv, WIFI_UNDER_WPS);
else
_clr_fwstate_(pmlmepriv, WIFI_UNDER_WPS);
goto _issue_bcn;
}
/* SSID */
pframe = rtw_set_ie23a(pframe, WLAN_EID_SSID,
cur_network->Ssid.ssid_len,
cur_network->Ssid.ssid, &pattrib->pktlen);
/* supported rates... */
rate_len = rtw_get_rateset_len23a(cur_network->SupportedRates);
pframe = rtw_set_ie23a(pframe, WLAN_EID_SUPP_RATES,
((rate_len > 8)? 8: rate_len),
cur_network->SupportedRates, &pattrib->pktlen);
/* DS parameter set */
pframe = rtw_set_ie23a(pframe, WLAN_EID_DS_PARAMS, 1, (unsigned char *)
&cur_network->DSConfig, &pattrib->pktlen);
/* if ((pmlmeinfo->state&0x03) == MSR_ADHOC) */
{
u8 erpinfo = 0;
u32 ATIMWindow;
/* IBSS Parameter Set... */
/* ATIMWindow = cur->ATIMWindow; */
ATIMWindow = 0;
pframe = rtw_set_ie23a(pframe, WLAN_EID_IBSS_PARAMS, 2,
(unsigned char *)&ATIMWindow,
&pattrib->pktlen);
/* ERP IE */
pframe = rtw_set_ie23a(pframe, WLAN_EID_ERP_INFO, 1,
&erpinfo, &pattrib->pktlen);
}
/* EXTERNDED SUPPORTED RATE */
if (rate_len > 8)
pframe = rtw_set_ie23a(pframe, WLAN_EID_EXT_SUPP_RATES,
rate_len - 8,
cur_network->SupportedRates + 8,
&pattrib->pktlen);
/* todo:HT for adhoc */
_issue_bcn:
#ifdef CONFIG_8723AU_AP_MODE
pmlmepriv->update_bcn = false;
spin_unlock_bh(&pmlmepriv->bcn_update_lock);
#endif
if ((pattrib->pktlen + TXDESC_SIZE) > 512) {
DBG_8723A("beacon frame too large\n");
return;
}
pattrib->last_txcmdsz = pattrib->pktlen;
/* DBG_8723A("issue bcn_sz =%d\n", pattrib->last_txcmdsz); */
if (timeout_ms > 0)
dump_mgntframe23a_and_wait(padapter, pmgntframe, timeout_ms);
else
dump_mgntframe23a(padapter, pmgntframe);
}
static void issue_probersp(struct rtw_adapter *padapter, unsigned char *da)
{
struct xmit_frame *pmgntframe;
struct pkt_attrib *pattrib;
unsigned char *pframe;
struct ieee80211_mgmt *mgmt;
unsigned char *mac, *bssid;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
#ifdef CONFIG_8723AU_AP_MODE
const u8 *pwps_ie;
u8 *ssid_ie;
int ssid_ielen;
int ssid_ielen_diff;
u8 buf[MAX_IE_SZ];
#endif
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
struct wlan_bssid_ex *cur_network = &pmlmeinfo->network;
unsigned int rate_len;
/* DBG_8723A("%s\n", __func__); */
if (cur_network->IELength > MAX_IE_SZ)
return;
pmgntframe = alloc_mgtxmitframe23a(pxmitpriv);
if (!pmgntframe) {
DBG_8723A("%s, alloc mgnt frame fail\n", __func__);
return;
}
/* update attribute */
pattrib = &pmgntframe->attrib;
update_mgntframe_attrib23a(padapter, pattrib);
memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
pframe = (u8 *)pmgntframe->buf_addr + TXDESC_OFFSET;
mgmt = (struct ieee80211_mgmt *)pframe;
mac = myid(&padapter->eeprompriv);
bssid = cur_network->MacAddress;
mgmt->frame_control =
cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
ether_addr_copy(mgmt->da, da);
ether_addr_copy(mgmt->sa, mac);
ether_addr_copy(mgmt->bssid, bssid);
mgmt->seq_ctrl = cpu_to_le16(IEEE80211_SN_TO_SEQ(pmlmeext->mgnt_seq));
pmlmeext->mgnt_seq++;
pattrib->hdrlen = sizeof(struct ieee80211_hdr_3addr);
/* timestamp will be inserted by hardware */
put_unaligned_le16(cur_network->beacon_interval,
&mgmt->u.probe_resp.beacon_int);
put_unaligned_le16(cur_network->capability,
&mgmt->u.probe_resp.capab_info);
pframe = mgmt->u.probe_resp.variable;
pattrib->pktlen =
offsetof(struct ieee80211_mgmt, u.probe_resp.variable);
/* below for ad-hoc mode */
#ifdef CONFIG_8723AU_AP_MODE
if ((pmlmeinfo->state & 0x03) == MSR_AP) {
pwps_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
WLAN_OUI_TYPE_MICROSOFT_WPS,
cur_network->IEs,
cur_network->IELength);
memcpy(pframe, cur_network->IEs, cur_network->IELength);
pframe += cur_network->IELength;
pattrib->pktlen += cur_network->IELength;
/* retrieve SSID IE from cur_network->Ssid */
ssid_ie = rtw_get_ie23a(mgmt->u.probe_resp.variable,
WLAN_EID_SSID, &ssid_ielen,
pframe - mgmt->u.probe_resp.variable);
ssid_ielen_diff = cur_network->Ssid.ssid_len - ssid_ielen;
if (ssid_ie && cur_network->Ssid.ssid_len) {
uint remainder_ielen;
u8 *remainder_ie;
remainder_ie = ssid_ie + 2;
remainder_ielen = pframe - remainder_ie;
DBG_8723A_LEVEL(_drv_warning_, "%s(%s): "
"remainder_ielen > MAX_IE_SZ\n",
__func__, padapter->pnetdev->name);
if (remainder_ielen > MAX_IE_SZ)
remainder_ielen = MAX_IE_SZ;
memcpy(buf, remainder_ie, remainder_ielen);
memcpy(remainder_ie + ssid_ielen_diff, buf,
remainder_ielen);
*(ssid_ie + 1) = cur_network->Ssid.ssid_len;
memcpy(ssid_ie + 2, cur_network->Ssid.ssid,
cur_network->Ssid.ssid_len);
pframe += ssid_ielen_diff;
pattrib->pktlen += ssid_ielen_diff;
}
} else
#endif
{
/* SSID */
pframe = rtw_set_ie23a(pframe, WLAN_EID_SSID,
cur_network->Ssid.ssid_len,
cur_network->Ssid.ssid,
&pattrib->pktlen);
/* supported rates... */
rate_len = rtw_get_rateset_len23a(cur_network->SupportedRates);
pframe = rtw_set_ie23a(pframe, WLAN_EID_SUPP_RATES,
((rate_len > 8)? 8: rate_len),
cur_network->SupportedRates,
&pattrib->pktlen);
/* DS parameter set */
pframe = rtw_set_ie23a(pframe, WLAN_EID_DS_PARAMS, 1,
(unsigned char *)&cur_network->DSConfig,
&pattrib->pktlen);
if ((pmlmeinfo->state & 0x03) == MSR_ADHOC) {
u8 erpinfo = 0;
u32 ATIMWindow;
/* IBSS Parameter Set... */
/* ATIMWindow = cur->ATIMWindow; */
ATIMWindow = 0;
pframe = rtw_set_ie23a(pframe, WLAN_EID_IBSS_PARAMS, 2,
(unsigned char *)&ATIMWindow,
&pattrib->pktlen);
/* ERP IE */
pframe = rtw_set_ie23a(pframe, WLAN_EID_ERP_INFO, 1,
&erpinfo, &pattrib->pktlen);
}
/* EXTERNDED SUPPORTED RATE */
if (rate_len > 8)
pframe = rtw_set_ie23a(pframe, WLAN_EID_EXT_SUPP_RATES,
rate_len - 8,
cur_network->SupportedRates + 8,
&pattrib->pktlen);
/* todo:HT for adhoc */
}
pattrib->last_txcmdsz = pattrib->pktlen;
dump_mgntframe23a(padapter, pmgntframe);
}
static int _issue_probereq(struct rtw_adapter *padapter,
struct cfg80211_ssid *pssid, u8 *da, int wait_ack)
{
int ret = _FAIL;
struct xmit_frame *pmgntframe;
struct pkt_attrib *pattrib;
unsigned char *pframe;
struct ieee80211_hdr *pwlanhdr;
unsigned char *mac;
unsigned char bssrate[NumRates];
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
int bssrate_len = 0;
u8 bc_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_,
"+%s\n", __func__);
pmgntframe = alloc_mgtxmitframe23a(pxmitpriv);
if (!pmgntframe)
goto exit;
/* update attribute */
pattrib = &pmgntframe->attrib;
update_mgntframe_attrib23a(padapter, pattrib);
memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
pwlanhdr = (struct ieee80211_hdr *)pframe;
mac = myid(&padapter->eeprompriv);
pwlanhdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
IEEE80211_STYPE_PROBE_REQ);
if (da) {
/* unicast probe request frame */
ether_addr_copy(pwlanhdr->addr1, da);
ether_addr_copy(pwlanhdr->addr3, da);
} else {
/* broadcast probe request frame */
ether_addr_copy(pwlanhdr->addr1, bc_addr);
ether_addr_copy(pwlanhdr->addr3, bc_addr);
}
ether_addr_copy(pwlanhdr->addr2, mac);
pwlanhdr->seq_ctrl =
cpu_to_le16(IEEE80211_SN_TO_SEQ(pmlmeext->mgnt_seq));
pmlmeext->mgnt_seq++;
pframe += sizeof (struct ieee80211_hdr_3addr);
pattrib->pktlen = sizeof (struct ieee80211_hdr_3addr);
if (pssid)
pframe = rtw_set_ie23a(pframe, WLAN_EID_SSID, pssid->ssid_len,
pssid->ssid, &pattrib->pktlen);
else
pframe = rtw_set_ie23a(pframe, WLAN_EID_SSID, 0, NULL,
&pattrib->pktlen);
get_rate_set23a(padapter, bssrate, &bssrate_len);
if (bssrate_len > 8) {
pframe = rtw_set_ie23a(pframe, WLAN_EID_SUPP_RATES, 8,
bssrate, &pattrib->pktlen);
pframe = rtw_set_ie23a(pframe, WLAN_EID_EXT_SUPP_RATES,
(bssrate_len - 8), (bssrate + 8),
&pattrib->pktlen);
} else {
pframe = rtw_set_ie23a(pframe, WLAN_EID_SUPP_RATES,
bssrate_len, bssrate, &pattrib->pktlen);
}
/* add wps_ie for wps2.0 */
if (pmlmepriv->wps_probe_req_ie_len>0 && pmlmepriv->wps_probe_req_ie) {
memcpy(pframe, pmlmepriv->wps_probe_req_ie,
pmlmepriv->wps_probe_req_ie_len);
pframe += pmlmepriv->wps_probe_req_ie_len;
pattrib->pktlen += pmlmepriv->wps_probe_req_ie_len;
}
pattrib->last_txcmdsz = pattrib->pktlen;
RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_,
"issuing probe_req, tx_len =%d\n", pattrib->last_txcmdsz);
if (wait_ack) {
ret = dump_mgntframe23a_and_wait_ack23a(padapter, pmgntframe);
} else {
dump_mgntframe23a(padapter, pmgntframe);
ret = _SUCCESS;
}
exit:
return ret;
}
static inline void issue_probereq(struct rtw_adapter *padapter,
struct cfg80211_ssid *pssid, u8 *da)
{
_issue_probereq(padapter, pssid, da, false);
}
static int issue_probereq_ex(struct rtw_adapter *padapter,
struct cfg80211_ssid *pssid, u8 *da,
int try_cnt, int wait_ms)
{
int ret;
int i = 0;
unsigned long start = jiffies;
do {
ret = _issue_probereq(padapter, pssid, da,
wait_ms > 0 ? true : false);
i++;
if (padapter->bDriverStopped || padapter->bSurpriseRemoved)
break;
if (i < try_cnt && wait_ms > 0 && ret == _FAIL)
msleep(wait_ms);
} while((i < try_cnt) && ((ret == _FAIL) || (wait_ms == 0)));
if (ret != _FAIL) {
ret = _SUCCESS;
goto exit;
}
if (try_cnt && wait_ms) {
if (da)
DBG_8723A("%s(%s): to %pM, ch:%u%s, %d/%d in %u ms\n",
__func__, padapter->pnetdev->name,
da, rtw_get_oper_ch23a(padapter),
ret == _SUCCESS ? ", acked" : "", i, try_cnt,
jiffies_to_msecs(jiffies - start));
else
DBG_8723A("%s(%s):, ch:%u%s, %d/%d in %u ms\n",
__func__, padapter->pnetdev->name,
rtw_get_oper_ch23a(padapter),
ret == _SUCCESS ? ", acked" : "", i, try_cnt,
jiffies_to_msecs(jiffies - start));
}
exit:
return ret;
}
/* if psta == NULL, indiate we are station(client) now... */
static void issue_auth(struct rtw_adapter *padapter, struct sta_info *psta,
unsigned short status)
{
struct xmit_frame *pmgntframe;
struct pkt_attrib *pattrib;
unsigned char *pframe;
struct ieee80211_mgmt *mgmt;
unsigned int val32;
u16 auth_algo;
int use_shared_key = 0;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
pmgntframe = alloc_mgtxmitframe23a(pxmitpriv);
if (!pmgntframe)
return;
/* update attribute */
pattrib = &pmgntframe->attrib;
update_mgntframe_attrib23a(padapter, pattrib);
memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
mgmt = (struct ieee80211_mgmt *)pframe;
mgmt->frame_control =
cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
mgmt->seq_ctrl = cpu_to_le16(IEEE80211_SN_TO_SEQ(pmlmeext->mgnt_seq));
pmlmeext->mgnt_seq++;
pattrib->pktlen = offsetof(struct ieee80211_mgmt, u.auth.variable);
if (psta) { /* for AP mode */
#ifdef CONFIG_8723AU_AP_MODE
unsigned short val16;
ether_addr_copy(mgmt->da, psta->hwaddr);
ether_addr_copy(mgmt->sa, myid(&padapter->eeprompriv));
ether_addr_copy(mgmt->bssid, myid(&padapter->eeprompriv));
/* setting auth algo number */
val16 = (u16)psta->authalg;
if (status != WLAN_STATUS_SUCCESS)