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kunit / linux / kunit/rfc/v5.1/v4 / . / drivers / staging / rtl8188eu / core / rtw_mlme_ext.c
blob: 8f28aefbe6f97047e043cc32c3b1e97434b84af6 [file] [log] [blame]
// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
*
* Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
*
******************************************************************************/
#define _RTW_MLME_EXT_C_
#include <linux/ieee80211.h>
#include <asm/unaligned.h>
#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>
static u8 null_addr[ETH_ALEN] = {};
/**************************************************
OUI definitions for the vendor specific IE
***************************************************/
const u8 RTW_WPA_OUI[] = {0x00, 0x50, 0xf2, 0x01};
const u8 WPS_OUI[] = {0x00, 0x50, 0xf2, 0x04};
static const u8 WMM_OUI[] = {0x00, 0x50, 0xf2, 0x02};
static const u8 P2P_OUI[] = {0x50, 0x6F, 0x9A, 0x09};
static const u8 WMM_PARA_OUI[] = {0x00, 0x50, 0xf2, 0x02, 0x01, 0x01};
const u8 WPA_TKIP_CIPHER[4] = {0x00, 0x50, 0xf2, 0x02};
const u8 RSN_TKIP_CIPHER[4] = {0x00, 0x0f, 0xac, 0x02};
/********************************************************
MCS rate definitions
*********************************************************/
const u8 MCS_rate_1R[16] = {
0xff, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
/********************************************************
ChannelPlan definitions
*********************************************************/
static struct rt_channel_plan_2g RTW_ChannelPlan2G[RT_CHANNEL_DOMAIN_2G_MAX] = {
{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13}, /* 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}, 11}, /* 0x02, RT_CHANNEL_DOMAIN_2G_FCC1 */
{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}, 14}, /* 0x03, RT_CHANNEL_DOMAIN_2G_MIKK1 */
{{10, 11, 12, 13}, 4}, /* 0x04, RT_CHANNEL_DOMAIN_2G_ETSI2 */
{{}, 0}, /* 0x05, RT_CHANNEL_DOMAIN_2G_NULL */
};
static struct rt_channel_plan_map RTW_ChannelPlanMap[RT_CHANNEL_DOMAIN_MAX] = {
/* 0x00 ~ 0x1F , Old Define ===== */
{0x02}, /* 0x00, RT_CHANNEL_DOMAIN_FCC */
{0x02}, /* 0x01, RT_CHANNEL_DOMAIN_IC */
{0x01}, /* 0x02, RT_CHANNEL_DOMAIN_ETSI */
{0x01}, /* 0x03, RT_CHANNEL_DOMAIN_SPAIN */
{0x01}, /* 0x04, RT_CHANNEL_DOMAIN_FRANCE */
{0x03}, /* 0x05, RT_CHANNEL_DOMAIN_MKK */
{0x03}, /* 0x06, RT_CHANNEL_DOMAIN_MKK1 */
{0x01}, /* 0x07, RT_CHANNEL_DOMAIN_ISRAEL */
{0x03}, /* 0x08, RT_CHANNEL_DOMAIN_TELEC */
{0x03}, /* 0x09, RT_CHANNEL_DOMAIN_GLOBAL_DOAMIN */
{0x00}, /* 0x0A, RT_CHANNEL_DOMAIN_WORLD_WIDE_13 */
{0x02}, /* 0x0B, RT_CHANNEL_DOMAIN_TAIWAN */
{0x01}, /* 0x0C, RT_CHANNEL_DOMAIN_CHINA */
{0x02}, /* 0x0D, RT_CHANNEL_DOMAIN_SINGAPORE_INDIA_MEXICO */
{0x02}, /* 0x0E, RT_CHANNEL_DOMAIN_KOREA */
{0x02}, /* 0x0F, RT_CHANNEL_DOMAIN_TURKEY */
{0x01}, /* 0x10, RT_CHANNEL_DOMAIN_JAPAN */
{0x02}, /* 0x11, RT_CHANNEL_DOMAIN_FCC_NO_DFS */
{0x01}, /* 0x12, RT_CHANNEL_DOMAIN_JAPAN_NO_DFS */
{0x00}, /* 0x13, RT_CHANNEL_DOMAIN_WORLD_WIDE_5G */
{0x02}, /* 0x14, RT_CHANNEL_DOMAIN_TAIWAN_NO_DFS */
{0x00}, /* 0x15, RT_CHANNEL_DOMAIN_ETSI_NO_DFS */
{0x00}, /* 0x16, RT_CHANNEL_DOMAIN_KOREA_NO_DFS */
{0x03}, /* 0x17, RT_CHANNEL_DOMAIN_JAPAN_NO_DFS */
{0x05}, /* 0x18, RT_CHANNEL_DOMAIN_PAKISTAN_NO_DFS */
{0x02}, /* 0x19, RT_CHANNEL_DOMAIN_TAIWAN2_NO_DFS */
{0x00}, /* 0x1A, */
{0x00}, /* 0x1B, */
{0x00}, /* 0x1C, */
{0x00}, /* 0x1D, */
{0x00}, /* 0x1E, */
{0x05}, /* 0x1F, RT_CHANNEL_DOMAIN_WORLD_WIDE_ONLY_5G */
/* 0x20 ~ 0x7F , New Define ===== */
{0x00}, /* 0x20, RT_CHANNEL_DOMAIN_WORLD_NULL */
{0x01}, /* 0x21, RT_CHANNEL_DOMAIN_ETSI1_NULL */
{0x02}, /* 0x22, RT_CHANNEL_DOMAIN_FCC1_NULL */
{0x03}, /* 0x23, RT_CHANNEL_DOMAIN_MKK1_NULL */
{0x04}, /* 0x24, RT_CHANNEL_DOMAIN_ETSI2_NULL */
{0x02}, /* 0x25, RT_CHANNEL_DOMAIN_FCC1_FCC1 */
{0x00}, /* 0x26, RT_CHANNEL_DOMAIN_WORLD_ETSI1 */
{0x03}, /* 0x27, RT_CHANNEL_DOMAIN_MKK1_MKK1 */
{0x00}, /* 0x28, RT_CHANNEL_DOMAIN_WORLD_KCC1 */
{0x00}, /* 0x29, RT_CHANNEL_DOMAIN_WORLD_FCC2 */
{0x00}, /* 0x2A, */
{0x00}, /* 0x2B, */
{0x00}, /* 0x2C, */
{0x00}, /* 0x2D, */
{0x00}, /* 0x2E, */
{0x00}, /* 0x2F, */
{0x00}, /* 0x30, RT_CHANNEL_DOMAIN_WORLD_FCC3 */
{0x00}, /* 0x31, RT_CHANNEL_DOMAIN_WORLD_FCC4 */
{0x00}, /* 0x32, RT_CHANNEL_DOMAIN_WORLD_FCC5 */
{0x00}, /* 0x33, RT_CHANNEL_DOMAIN_WORLD_FCC6 */
{0x02}, /* 0x34, RT_CHANNEL_DOMAIN_FCC1_FCC7 */
{0x00}, /* 0x35, RT_CHANNEL_DOMAIN_WORLD_ETSI2 */
{0x00}, /* 0x36, RT_CHANNEL_DOMAIN_WORLD_ETSI3 */
{0x03}, /* 0x37, RT_CHANNEL_DOMAIN_MKK1_MKK2 */
{0x03}, /* 0x38, RT_CHANNEL_DOMAIN_MKK1_MKK3 */
{0x02}, /* 0x39, RT_CHANNEL_DOMAIN_FCC1_NCC1 */
{0x00}, /* 0x3A, */
{0x00}, /* 0x3B, */
{0x00}, /* 0x3C, */
{0x00}, /* 0x3D, */
{0x00}, /* 0x3E, */
{0x00}, /* 0x3F, */
{0x02}, /* 0x40, RT_CHANNEL_DOMAIN_FCC1_NCC2 */
{0x03}, /* 0x41, RT_CHANNEL_DOMAIN_GLOBAL_DOAMIN_2G */
};
static const struct rt_channel_plan_map RTW_CHANNEL_PLAN_MAP_REALTEK_DEFINE = {
0x03
}; /* use the combination for max channel numbers */
/*
* 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_ch(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;
}
struct xmit_frame *alloc_mgtxmitframe(struct xmit_priv *pxmitpriv)
{
struct xmit_frame *pmgntframe;
struct xmit_buf *pxmitbuf;
pmgntframe = rtw_alloc_xmitframe(pxmitpriv);
if (!pmgntframe) {
DBG_88E("%s, alloc xmitframe fail\n", __func__);
return NULL;
}
pxmitbuf = rtw_alloc_xmitbuf_ext(pxmitpriv);
if (!pxmitbuf) {
DBG_88E("%s, alloc xmitbuf fail\n", __func__);
rtw_free_xmitframe(pxmitpriv, pmgntframe);
return NULL;
}
pmgntframe->frame_tag = MGNT_FRAMETAG;
pmgntframe->pxmitbuf = pxmitbuf;
pmgntframe->buf_addr = pxmitbuf->pbuf;
pxmitbuf->priv_data = pmgntframe;
return pmgntframe;
}
/****************************************************************************
Following are some TX functions for WiFi MLME
*****************************************************************************/
void update_mgnt_tx_rate(struct adapter *padapter, u8 rate)
{
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
pmlmeext->tx_rate = rate;
DBG_88E("%s(): rate = %x\n", __func__, rate);
}
void update_mgntframe_attrib(struct 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 = _NO_PRIVACY_;
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;
}
static void dump_mgntframe(struct adapter *padapter,
struct xmit_frame *pmgntframe)
{
if (padapter->bSurpriseRemoved || padapter->bDriverStopped)
return;
rtw_hal_mgnt_xmit(padapter, pmgntframe);
}
static s32 dump_mgntframe_and_wait(struct adapter *padapter,
struct xmit_frame *pmgntframe,
int timeout_ms)
{
s32 ret = _FAIL;
struct xmit_buf *pxmitbuf = pmgntframe->pxmitbuf;
struct submit_ctx sctx;
if (padapter->bSurpriseRemoved || padapter->bDriverStopped)
return ret;
rtw_sctx_init(&sctx, timeout_ms);
pxmitbuf->sctx = &sctx;
ret = rtw_hal_mgnt_xmit(padapter, pmgntframe);
if (ret == _SUCCESS)
ret = rtw_sctx_wait(&sctx);
return ret;
}
static s32 dump_mgntframe_and_wait_ack(struct adapter *padapter,
struct xmit_frame *pmgntframe)
{
s32 ret = _FAIL;
u32 timeout_ms = 500;/* 500ms */
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
if (padapter->bSurpriseRemoved || padapter->bDriverStopped)
return -1;
if (mutex_lock_interruptible(&pxmitpriv->ack_tx_mutex))
return _FAIL;
pxmitpriv->ack_tx = true;
pmgntframe->ack_report = 1;
if (rtw_hal_mgnt_xmit(padapter, pmgntframe) == _SUCCESS)
ret = rtw_ack_tx_wait(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;
uint ssid_len_ori;
int len_diff = 0;
ssid_ie = rtw_get_ie(ies, WLAN_EID_SSID, &ssid_len_ori, ies_len);
if (ssid_ie && ssid_len_ori > 0) {
switch (hidden_ssid_mode) {
case 1: {
u8 *next_ie = ssid_ie + 2 + ssid_len_ori;
u32 remain_len = 0;
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;
}
static void issue_beacon(struct adapter *padapter, int timeout_ms)
{
struct xmit_frame *pmgntframe;
struct pkt_attrib *pattrib;
unsigned char *pframe;
struct ieee80211_hdr *pwlanhdr;
__le16 *fctrl;
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};
pmgntframe = alloc_mgtxmitframe(pxmitpriv);
if (!pmgntframe) {
DBG_88E("%s, alloc mgnt frame fail\n", __func__);
return;
}
#if defined(CONFIG_88EU_AP_MODE)
spin_lock_bh(&pmlmepriv->bcn_update_lock);
#endif
/* update attribute */
pattrib = &pmgntframe->attrib;
update_mgntframe_attrib(padapter, pattrib);
pattrib->qsel = 0x10;
memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
pwlanhdr = (struct ieee80211_hdr *)pframe;
fctrl = &pwlanhdr->frame_control;
*(fctrl) = 0;
ether_addr_copy(pwlanhdr->addr1, bc_addr);
ether_addr_copy(pwlanhdr->addr2, myid(&padapter->eeprompriv));
ether_addr_copy(pwlanhdr->addr3, cur_network->MacAddress);
SetSeqNum(pwlanhdr, 0/*pmlmeext->mgnt_seq*/);
/* pmlmeext->mgnt_seq++; */
SetFrameSubType(pframe, WIFI_BEACON);
pframe += sizeof(struct ieee80211_hdr_3addr);
pattrib->pktlen = sizeof(struct ieee80211_hdr_3addr);
if ((pmlmeinfo->state & 0x03) == WIFI_FW_AP_STATE) {
int len_diff;
u8 *wps_ie;
uint wps_ielen;
u8 sr = 0;
memcpy(pframe, cur_network->ies, cur_network->ie_length);
len_diff = update_hidden_ssid(
pframe+_BEACON_IE_OFFSET_
, cur_network->ie_length-_BEACON_IE_OFFSET_
, pmlmeinfo->hidden_ssid_mode
);
pframe += (cur_network->ie_length+len_diff);
pattrib->pktlen += (cur_network->ie_length+len_diff);
wps_ie = rtw_get_wps_ie(pmgntframe->buf_addr+TXDESC_OFFSET+sizeof(struct ieee80211_hdr_3addr)+_BEACON_IE_OFFSET_,
pattrib->pktlen-sizeof(struct ieee80211_hdr_3addr)-_BEACON_IE_OFFSET_, NULL, &wps_ielen);
if (wps_ie && wps_ielen > 0)
rtw_get_wps_attr_content(wps_ie, wps_ielen, WPS_ATTR_SELECTED_REGISTRAR, (u8 *)(&sr), NULL);
if (sr != 0)
set_fwstate(pmlmepriv, WIFI_UNDER_WPS);
else
_clr_fwstate_(pmlmepriv, WIFI_UNDER_WPS);
goto _issue_bcn;
}
/* below for ad-hoc mode */
/* timestamp will be inserted by hardware */
pframe += 8;
pattrib->pktlen += 8;
/* beacon interval: 2 bytes */
memcpy(pframe, (unsigned char *)(rtw_get_beacon_interval_from_ie(cur_network->ies)), 2);
pframe += 2;
pattrib->pktlen += 2;
/* capability info: 2 bytes */
memcpy(pframe, (unsigned char *)(rtw_get_capability_from_ie(cur_network->ies)), 2);
pframe += 2;
pattrib->pktlen += 2;
/* SSID */
pframe = rtw_set_ie(pframe, _SSID_IE_, cur_network->ssid.ssid_length, cur_network->ssid.ssid, &pattrib->pktlen);
/* supported rates... */
rate_len = rtw_get_rateset_len(cur_network->SupportedRates);
pframe = rtw_set_ie(pframe, _SUPPORTEDRATES_IE_, min_t(unsigned int, rate_len, 8), cur_network->SupportedRates, &pattrib->pktlen);
/* DS parameter set */
pframe = rtw_set_ie(pframe, _DSSET_IE_, 1, (unsigned char *)&cur_network->Configuration.DSConfig, &pattrib->pktlen);
{
u8 erpinfo = 0;
u32 ATIMWindow;
/* IBSS Parameter Set... */
ATIMWindow = 0;
pframe = rtw_set_ie(pframe, _IBSS_PARA_IE_, 2, (unsigned char *)(&ATIMWindow), &pattrib->pktlen);
/* ERP IE */
pframe = rtw_set_ie(pframe, _ERPINFO_IE_, 1, &erpinfo, &pattrib->pktlen);
}
/* EXTERNDED SUPPORTED RATE */
if (rate_len > 8)
pframe = rtw_set_ie(pframe, _EXT_SUPPORTEDRATES_IE_, (rate_len - 8), (cur_network->SupportedRates + 8), &pattrib->pktlen);
/* todo:HT for adhoc */
_issue_bcn:
#if defined(CONFIG_88EU_AP_MODE)
pmlmepriv->update_bcn = false;
spin_unlock_bh(&pmlmepriv->bcn_update_lock);
#endif
if ((pattrib->pktlen + TXDESC_SIZE) > 512) {
DBG_88E("beacon frame too large\n");
return;
}
pattrib->last_txcmdsz = pattrib->pktlen;
/* DBG_88E("issue bcn_sz=%d\n", pattrib->last_txcmdsz); */
if (timeout_ms > 0)
dump_mgntframe_and_wait(padapter, pmgntframe, timeout_ms);
else
dump_mgntframe(padapter, pmgntframe);
}
static void issue_probersp(struct adapter *padapter, unsigned char *da)
{
struct xmit_frame *pmgntframe;
struct pkt_attrib *pattrib;
unsigned char *pframe;
struct ieee80211_hdr *pwlanhdr;
__le16 *fctrl;
unsigned char *mac, *bssid;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
#if defined(CONFIG_88EU_AP_MODE)
u8 *pwps_ie;
uint wps_ielen;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
#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;
pmgntframe = alloc_mgtxmitframe(pxmitpriv);
if (!pmgntframe) {
DBG_88E("%s, alloc mgnt frame fail\n", __func__);
return;
}
/* update attribute */
pattrib = &pmgntframe->attrib;
update_mgntframe_attrib(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);
bssid = cur_network->MacAddress;
fctrl = &pwlanhdr->frame_control;
*(fctrl) = 0;
ether_addr_copy(pwlanhdr->addr1, da);
ether_addr_copy(pwlanhdr->addr2, mac);
ether_addr_copy(pwlanhdr->addr3, bssid);
SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq);
pmlmeext->mgnt_seq++;
SetFrameSubType(fctrl, WIFI_PROBERSP);
pattrib->hdrlen = sizeof(struct ieee80211_hdr_3addr);
pattrib->pktlen = pattrib->hdrlen;
pframe += pattrib->hdrlen;
if (cur_network->ie_length > MAX_IE_SZ)
return;
#if defined(CONFIG_88EU_AP_MODE)
if ((pmlmeinfo->state & 0x03) == WIFI_FW_AP_STATE) {
pwps_ie = rtw_get_wps_ie(cur_network->ies+_FIXED_IE_LENGTH_, cur_network->ie_length-_FIXED_IE_LENGTH_, NULL, &wps_ielen);
/* inerset & update wps_probe_resp_ie */
if ((pmlmepriv->wps_probe_resp_ie != NULL) && pwps_ie && (wps_ielen > 0)) {
uint wps_offset, remainder_ielen;
u8 *premainder_ie;
wps_offset = (uint)(pwps_ie - cur_network->ies);
premainder_ie = pwps_ie + wps_ielen;
remainder_ielen = cur_network->ie_length - wps_offset - wps_ielen;
memcpy(pframe, cur_network->ies, wps_offset);
pframe += wps_offset;
pattrib->pktlen += wps_offset;
wps_ielen = (uint)pmlmepriv->wps_probe_resp_ie[1];/* to get ie data len */
if ((wps_offset+wps_ielen+2) <= MAX_IE_SZ) {
memcpy(pframe, pmlmepriv->wps_probe_resp_ie, wps_ielen+2);
pframe += wps_ielen+2;
pattrib->pktlen += wps_ielen+2;
}
if ((wps_offset+wps_ielen+2+remainder_ielen) <= MAX_IE_SZ) {
memcpy(pframe, premainder_ie, remainder_ielen);
pframe += remainder_ielen;
pattrib->pktlen += remainder_ielen;
}
} else {
memcpy(pframe, cur_network->ies, cur_network->ie_length);
pframe += cur_network->ie_length;
pattrib->pktlen += cur_network->ie_length;
}
} else
#endif
{
/* timestamp will be inserted by hardware */
pframe += 8;
pattrib->pktlen += 8;
/* beacon interval: 2 bytes */
memcpy(pframe, (unsigned char *)(rtw_get_beacon_interval_from_ie(cur_network->ies)), 2);
pframe += 2;
pattrib->pktlen += 2;
/* capability info: 2 bytes */
memcpy(pframe, (unsigned char *)(rtw_get_capability_from_ie(cur_network->ies)), 2);
pframe += 2;
pattrib->pktlen += 2;
/* below for ad-hoc mode */
/* SSID */
pframe = rtw_set_ie(pframe, _SSID_IE_, cur_network->ssid.ssid_length, cur_network->ssid.ssid, &pattrib->pktlen);
/* supported rates... */
rate_len = rtw_get_rateset_len(cur_network->SupportedRates);
pframe = rtw_set_ie(pframe, _SUPPORTEDRATES_IE_, min_t(unsigned int, rate_len, 8), cur_network->SupportedRates, &pattrib->pktlen);
/* DS parameter set */
pframe = rtw_set_ie(pframe, _DSSET_IE_, 1, (unsigned char *)&cur_network->Configuration.DSConfig, &pattrib->pktlen);
if ((pmlmeinfo->state & 0x03) == WIFI_FW_ADHOC_STATE) {
u8 erpinfo = 0;
u32 ATIMWindow;
/* IBSS Parameter Set... */
/* ATIMWindow = cur->Configuration.ATIMWindow; */
ATIMWindow = 0;
pframe = rtw_set_ie(pframe, _IBSS_PARA_IE_, 2, (unsigned char *)(&ATIMWindow), &pattrib->pktlen);
/* ERP IE */
pframe = rtw_set_ie(pframe, _ERPINFO_IE_, 1, &erpinfo, &pattrib->pktlen);
}
/* EXTERNDED SUPPORTED RATE */
if (rate_len > 8)
pframe = rtw_set_ie(pframe, _EXT_SUPPORTEDRATES_IE_, (rate_len - 8), (cur_network->SupportedRates + 8), &pattrib->pktlen);
/* todo:HT for adhoc */
}
pattrib->last_txcmdsz = pattrib->pktlen;
dump_mgntframe(padapter, pmgntframe);
}
static int issue_probereq(struct adapter *padapter,
struct ndis_802_11_ssid *pssid, u8 *da,
bool wait_ack)
{
int ret = _FAIL;
struct xmit_frame *pmgntframe;
struct pkt_attrib *pattrib;
unsigned char *pframe;
struct ieee80211_hdr *pwlanhdr;
__le16 *fctrl;
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_mgtxmitframe(pxmitpriv);
if (!pmgntframe)
goto exit;
/* update attribute */
pattrib = &pmgntframe->attrib;
update_mgntframe_attrib(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);
fctrl = &pwlanhdr->frame_control;
*(fctrl) = 0;
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);
SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq);
pmlmeext->mgnt_seq++;
SetFrameSubType(pframe, WIFI_PROBEREQ);
pframe += sizeof(struct ieee80211_hdr_3addr);
pattrib->pktlen = sizeof(struct ieee80211_hdr_3addr);
if (pssid)
pframe = rtw_set_ie(pframe, _SSID_IE_, pssid->ssid_length, pssid->ssid, &pattrib->pktlen);
else
pframe = rtw_set_ie(pframe, _SSID_IE_, 0, NULL, &pattrib->pktlen);
get_rate_set(padapter, bssrate, &bssrate_len);
if (bssrate_len > 8) {
pframe = rtw_set_ie(pframe, _SUPPORTEDRATES_IE_, 8, bssrate, &pattrib->pktlen);
pframe = rtw_set_ie(pframe, _EXT_SUPPORTEDRATES_IE_, bssrate_len - 8, bssrate + 8, &pattrib->pktlen);
} else {
pframe = rtw_set_ie(pframe, _SUPPORTEDRATES_IE_, 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_mgntframe_and_wait_ack(padapter, pmgntframe);
} else {
dump_mgntframe(padapter, pmgntframe);
ret = _SUCCESS;
}
exit:
return ret;
}
static int issue_probereq_ex(struct adapter *padapter,
struct ndis_802_11_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);
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_88E(FUNC_ADPT_FMT" to %pM, ch:%u%s, %d/%d in %u ms\n",
FUNC_ADPT_ARG(padapter), da, rtw_get_oper_ch(padapter),
ret == _SUCCESS ? ", acked" : "", i, try_cnt,
jiffies_to_msecs(jiffies - start));
else
DBG_88E(FUNC_ADPT_FMT", ch:%u%s, %d/%d in %u ms\n",
FUNC_ADPT_ARG(padapter), rtw_get_oper_ch(padapter),
ret == _SUCCESS ? ", acked" : "", i, try_cnt,
jiffies_to_msecs(jiffies - start));
}
exit:
return ret;
}
/* if psta == NULL, indicate we are station(client) now... */
static void issue_auth(struct adapter *padapter, struct sta_info *psta,
unsigned short status)
{
struct xmit_frame *pmgntframe;
struct pkt_attrib *pattrib;
unsigned char *pframe;
struct ieee80211_hdr *pwlanhdr;
__le16 *fctrl;
unsigned int val32;
u16 val16;
#ifdef CONFIG_88EU_AP_MODE
__le16 le_val16;
#endif
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;
struct wlan_bssid_ex *pnetwork = &pmlmeinfo->network;
pmgntframe = alloc_mgtxmitframe(pxmitpriv);
if (pmgntframe == NULL)
return;
/* update attribute */
pattrib = &pmgntframe->attrib;
update_mgntframe_attrib(padapter, pattrib);
memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
pwlanhdr = (struct ieee80211_hdr *)pframe;
fctrl = &pwlanhdr->frame_control;
*(fctrl) = 0;
SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq);
pmlmeext->mgnt_seq++;
SetFrameSubType(pframe, WIFI_AUTH);
pframe += sizeof(struct ieee80211_hdr_3addr);
pattrib->pktlen = sizeof(struct ieee80211_hdr_3addr);
if (psta) {/* for AP mode */
#ifdef CONFIG_88EU_AP_MODE
ether_addr_copy(pwlanhdr->addr1, psta->hwaddr);
ether_addr_copy(pwlanhdr->addr2,
myid(&padapter->eeprompriv));
ether_addr_copy(pwlanhdr->addr3,
myid(&padapter->eeprompriv));
/* setting auth algo number */
val16 = (u16)psta->authalg;
if (status != _STATS_SUCCESSFUL_)
val16 = 0;
if (val16) {
le_val16 = cpu_to_le16(val16);
use_shared_key = 1;
} else {
le_val16 = 0;
}
pframe = rtw_set_fixed_ie(pframe, _AUTH_ALGM_NUM_, &le_val16,
&pattrib->pktlen);
/* setting auth seq number */
val16 = (u16)psta->auth_seq;
le_val16 = cpu_to_le16(val16);
pframe = rtw_set_fixed_ie(pframe, _AUTH_SEQ_NUM_, &le_val16,
&pattrib->pktlen);
/* setting status code... */
val16 = status;
le_val16 = cpu_to_le16(val16);
pframe = rtw_set_fixed_ie(pframe, _STATUS_CODE_,
&le_val16, &pattrib->pktlen);
/* added challenging text... */
if ((psta->auth_seq == 2) && (psta->state & WIFI_FW_AUTH_STATE) && (use_shared_key == 1))
pframe = rtw_set_ie(pframe, _CHLGETXT_IE_, 128, psta->chg_txt, &pattrib->pktlen);
#endif
} else {
__le32 le_tmp32;
__le16 le_tmp16;
ether_addr_copy(pwlanhdr->addr1, pnetwork->MacAddress);
ether_addr_copy(pwlanhdr->addr2, myid(&padapter->eeprompriv));
ether_addr_copy(pwlanhdr->addr3, pnetwork->MacAddress);
/* setting auth algo number */
val16 = (pmlmeinfo->auth_algo == dot11AuthAlgrthm_Shared) ? 1 : 0;/* 0:OPEN System, 1:Shared key */
if (val16)
use_shared_key = 1;
/* setting IV for auth seq #3 */
if ((pmlmeinfo->auth_seq == 3) && (pmlmeinfo->state & WIFI_FW_AUTH_STATE) && (use_shared_key == 1)) {
val32 = (pmlmeinfo->iv++) | (pmlmeinfo->key_index << 30);
le_tmp32 = cpu_to_le32(val32);
pframe = rtw_set_fixed_ie(pframe, 4, &le_tmp32,
&pattrib->pktlen);
pattrib->iv_len = 4;
}
le_tmp16 = cpu_to_le16(val16);
pframe = rtw_set_fixed_ie(pframe, _AUTH_ALGM_NUM_, &le_tmp16,
&pattrib->pktlen);
/* setting auth seq number */
val16 = pmlmeinfo->auth_seq;
le_tmp16 = cpu_to_le16(val16);
pframe = rtw_set_fixed_ie(pframe, _AUTH_SEQ_NUM_, &le_tmp16,
&pattrib->pktlen);
/* setting status code... */
le_tmp16 = cpu_to_le16(status);
pframe = rtw_set_fixed_ie(pframe, _STATUS_CODE_, &le_tmp16,
&pattrib->pktlen);
/* then checking to see if sending challenging text... */
if ((pmlmeinfo->auth_seq == 3) && (pmlmeinfo->state & WIFI_FW_AUTH_STATE) && (use_shared_key == 1)) {
pframe = rtw_set_ie(pframe, _CHLGETXT_IE_, 128, pmlmeinfo->chg_txt, &pattrib->pktlen);
SetPrivacy(fctrl);
pattrib->hdrlen = sizeof(struct ieee80211_hdr_3addr);
pattrib->encrypt = _WEP40_;
pattrib->icv_len = 4;
pattrib->pktlen += pattrib->icv_len;
}
}
pattrib->last_txcmdsz = pattrib->pktlen;
rtw_wep_encrypt(padapter, (u8 *)pmgntframe);
DBG_88E("%s\n", __func__);
dump_mgntframe(padapter, pmgntframe);
}
#ifdef CONFIG_88EU_AP_MODE
static void issue_asocrsp(struct adapter *padapter, unsigned short status,
struct sta_info *pstat, int pkt_type)
{
struct xmit_frame *pmgntframe;
struct ieee80211_hdr *pwlanhdr;
struct pkt_attrib *pattrib;
unsigned char *pbuf, *pframe;
unsigned short val;
__le16 *fctrl;
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 *pnetwork = &pmlmeinfo->network;
u8 *ie = pnetwork->ies;
__le16 lestatus, leval;
DBG_88E("%s\n", __func__);
pmgntframe = alloc_mgtxmitframe(pxmitpriv);
if (!pmgntframe)
return;
/* update attribute */
pattrib = &pmgntframe->attrib;
update_mgntframe_attrib(padapter, pattrib);
memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
pwlanhdr = (struct ieee80211_hdr *)pframe;
fctrl = &pwlanhdr->frame_control;
*(fctrl) = 0;
ether_addr_copy((void *)GetAddr1Ptr(pwlanhdr), pstat->hwaddr);
ether_addr_copy((void *)GetAddr2Ptr(pwlanhdr),
myid(&padapter->eeprompriv));
ether_addr_copy((void *)GetAddr3Ptr(pwlanhdr), pnetwork->MacAddress);
SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq);
pmlmeext->mgnt_seq++;
if ((pkt_type == WIFI_ASSOCRSP) || (pkt_type == WIFI_REASSOCRSP))
SetFrameSubType(pwlanhdr, pkt_type);
else
return;
pattrib->hdrlen = sizeof(struct ieee80211_hdr_3addr);
pattrib->pktlen += pattrib->hdrlen;
pframe += pattrib->hdrlen;
/* capability */
val = *(unsigned short *)rtw_get_capability_from_ie(ie);
pframe = rtw_set_fixed_ie(pframe, _CAPABILITY_, &val, &pattrib->pktlen);
lestatus = cpu_to_le16(status);
pframe = rtw_set_fixed_ie(pframe, _STATUS_CODE_, &lestatus,
&pattrib->pktlen);
leval = cpu_to_le16(pstat->aid | BIT(14) | BIT(15));
pframe = rtw_set_fixed_ie(pframe, _ASOC_ID_, &leval, &pattrib->pktlen);
if (pstat->bssratelen <= 8) {
pframe = rtw_set_ie(pframe, _SUPPORTEDRATES_IE_, pstat->bssratelen, pstat->bssrateset, &pattrib->pktlen);
} else {
pframe = rtw_set_ie(pframe, _SUPPORTEDRATES_IE_, 8, pstat->bssrateset, &pattrib->pktlen);
pframe = rtw_set_ie(pframe, _EXT_SUPPORTEDRATES_IE_, pstat->bssratelen-8, pstat->bssrateset+8, &pattrib->pktlen);
}
if ((pstat->flags & WLAN_STA_HT) && (pmlmepriv->htpriv.ht_option)) {
uint ie_len = 0;
/* FILL HT CAP INFO IE */
pbuf = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _HT_CAPABILITY_IE_, &ie_len, (pnetwork->ie_length - _BEACON_IE_OFFSET_));
if (pbuf && ie_len > 0) {
memcpy(pframe, pbuf, ie_len+2);
pframe += (ie_len+2);
pattrib->pktlen += (ie_len+2);
}
/* FILL HT ADD INFO IE */
pbuf = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _HT_ADD_INFO_IE_, &ie_len, (pnetwork->ie_length - _BEACON_IE_OFFSET_));
if (pbuf && ie_len > 0) {
memcpy(pframe, pbuf, ie_len+2);
pframe += (ie_len+2);
pattrib->pktlen += (ie_len+2);
}
}
/* FILL WMM IE */
if ((pstat->flags & WLAN_STA_WME) && (pmlmepriv->qospriv.qos_option)) {
uint ie_len = 0;
unsigned char WMM_PARA_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x01, 0x01};
for (pbuf = ie + _BEACON_IE_OFFSET_;; pbuf += (ie_len + 2)) {
pbuf = rtw_get_ie(pbuf, _VENDOR_SPECIFIC_IE_, &ie_len, (pnetwork->ie_length - _BEACON_IE_OFFSET_ - (ie_len + 2)));
if (pbuf && !memcmp(pbuf+2, WMM_PARA_IE, 6)) {
memcpy(pframe, pbuf, ie_len+2);
pframe += (ie_len+2);
pattrib->pktlen += (ie_len+2);
break;
}
if ((pbuf == NULL) || (ie_len == 0))
break;
}
}
if (pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_REALTEK)
pframe = rtw_set_ie(pframe, _VENDOR_SPECIFIC_IE_, 6, REALTEK_96B_IE, &pattrib->pktlen);
/* add WPS IE ie for wps 2.0 */
if (pmlmepriv->wps_assoc_resp_ie && pmlmepriv->wps_assoc_resp_ie_len > 0) {
memcpy(pframe, pmlmepriv->wps_assoc_resp_ie, pmlmepriv->wps_assoc_resp_ie_len);
pframe += pmlmepriv->wps_assoc_resp_ie_len;
pattrib->pktlen += pmlmepriv->wps_assoc_resp_ie_len;
}
pattrib->last_txcmdsz = pattrib->pktlen;
dump_mgntframe(padapter, pmgntframe);
}
#endif /* CONFIG_88EU_AP_MODE */
static void issue_assocreq(struct adapter *padapter)
{
int ret = _FAIL;
struct xmit_frame *pmgntframe;
struct pkt_attrib *pattrib;
unsigned char *pframe, *p;
struct ieee80211_hdr *pwlanhdr;
__le16 *fctrl;
unsigned int i, j, ie_len, index = 0;
unsigned char bssrate[NumRates], sta_bssrate[NumRates];
struct ndis_802_11_var_ie *pIE;
struct registry_priv *pregpriv = &padapter->registrypriv;
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;
int bssrate_len = 0, sta_bssrate_len = 0;
struct wlan_bssid_ex *pnetwork = &pmlmeinfo->network;
pmgntframe = alloc_mgtxmitframe(pxmitpriv);
if (!pmgntframe)
goto exit;
/* update attribute */
pattrib = &pmgntframe->attrib;
update_mgntframe_attrib(padapter, pattrib);
memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
pwlanhdr = (struct ieee80211_hdr *)pframe;
fctrl = &pwlanhdr->frame_control;
*(fctrl) = 0;
ether_addr_copy(pwlanhdr->addr1, pnetwork->MacAddress);
ether_addr_copy(pwlanhdr->addr2, myid(&padapter->eeprompriv));
ether_addr_copy(pwlanhdr->addr3, pnetwork->MacAddress);
SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq);
pmlmeext->mgnt_seq++;
SetFrameSubType(pframe, WIFI_ASSOCREQ);
pframe += sizeof(struct ieee80211_hdr_3addr);
pattrib->pktlen = sizeof(struct ieee80211_hdr_3addr);
/* caps */
memcpy(pframe, rtw_get_capability_from_ie(pmlmeinfo->network.ies), 2);
pframe += 2;
pattrib->pktlen += 2;
/* listen interval */
/* todo: listen interval for power saving */
put_unaligned_le16(3, pframe);
pframe += 2;
pattrib->pktlen += 2;
/* SSID */
pframe = rtw_set_ie(pframe, _SSID_IE_, pmlmeinfo->network.ssid.ssid_length, pmlmeinfo->network.ssid.ssid, &pattrib->pktlen);
/* supported rate & extended supported rate */
/* Check if the AP's supported rates are also supported by STA. */
get_rate_set(padapter, sta_bssrate, &sta_bssrate_len);
if (pmlmeext->cur_channel == 14)/* for JAPAN, channel 14 can only uses B Mode(CCK) */
sta_bssrate_len = 4;
for (i = 0; i < NDIS_802_11_LENGTH_RATES_EX; i++) {
if (pmlmeinfo->network.SupportedRates[i] == 0)
break;
DBG_88E("network.SupportedRates[%d]=%02X\n", i, pmlmeinfo->network.SupportedRates[i]);
}
for (i = 0; i < NDIS_802_11_LENGTH_RATES_EX; i++) {
if (pmlmeinfo->network.SupportedRates[i] == 0)
break;
/* Check if the AP's supported rates are also supported by STA. */
for (j = 0; j < sta_bssrate_len; j++) {
/* Avoid the proprietary data rate (22Mbps) of Handlink WSG-4000 AP */
if ((pmlmeinfo->network.SupportedRates[i]|IEEE80211_BASIC_RATE_MASK)
== (sta_bssrate[j]|IEEE80211_BASIC_RATE_MASK))
break;
}
if (j == sta_bssrate_len) {
/* the rate is not supported by STA */
DBG_88E("%s(): the rate[%d]=%02X is not supported by STA!\n", __func__, i, pmlmeinfo->network.SupportedRates[i]);
} else {
/* the rate is supported by STA */
bssrate[index++] = pmlmeinfo->network.SupportedRates[i];
}
}
bssrate_len = index;
DBG_88E("bssrate_len=%d\n", bssrate_len);
if (bssrate_len == 0) {
rtw_free_xmitbuf(pxmitpriv, pmgntframe->pxmitbuf);
rtw_free_xmitframe(pxmitpriv, pmgntframe);
goto exit; /* don't connect to AP if no joint supported rate */
}
if (bssrate_len > 8) {
pframe = rtw_set_ie(pframe, _SUPPORTEDRATES_IE_, 8, bssrate, &pattrib->pktlen);
pframe = rtw_set_ie(pframe, _EXT_SUPPORTEDRATES_IE_, bssrate_len - 8, bssrate + 8, &pattrib->pktlen);
} else {
pframe = rtw_set_ie(pframe, _SUPPORTEDRATES_IE_, bssrate_len, bssrate, &pattrib->pktlen);
}
/* RSN */
p = rtw_get_ie((pmlmeinfo->network.ies + sizeof(struct ndis_802_11_fixed_ie)), _RSN_IE_2_, &ie_len, (pmlmeinfo->network.ie_length - sizeof(struct ndis_802_11_fixed_ie)));
if (p)
pframe = rtw_set_ie(pframe, _RSN_IE_2_, ie_len, p + 2, &pattrib->pktlen);
/* HT caps */
if (padapter->mlmepriv.htpriv.ht_option) {
p = rtw_get_ie((pmlmeinfo->network.ies + sizeof(struct ndis_802_11_fixed_ie)), _HT_CAPABILITY_IE_, &ie_len, (pmlmeinfo->network.ie_length - sizeof(struct ndis_802_11_fixed_ie)));
if ((p != NULL) && (!(is_ap_in_tkip(padapter)))) {
memcpy(&pmlmeinfo->HT_caps, p + 2, sizeof(struct ieee80211_ht_cap));
/* to disable 40M Hz support while gd_bw_40MHz_en = 0 */
if (pregpriv->cbw40_enable == 0)
pmlmeinfo->HT_caps.cap_info &= cpu_to_le16(~(BIT(6) | BIT(1)));
else
pmlmeinfo->HT_caps.cap_info |= cpu_to_le16(BIT(1));
/* todo: disable SM power save mode */
pmlmeinfo->HT_caps.cap_info |= cpu_to_le16(0x000c);
if (pregpriv->rx_stbc)
pmlmeinfo->HT_caps.cap_info |= cpu_to_le16(0x0100);/* RX STBC One spatial stream */
memcpy((u8 *)&pmlmeinfo->HT_caps.mcs, MCS_rate_1R, 16);
pframe = rtw_set_ie(pframe, _HT_CAPABILITY_IE_, ie_len, (u8 *)(&pmlmeinfo->HT_caps), &pattrib->pktlen);
}
}
/* vendor specific IE, such as WPA, WMM, WPS */
for (i = sizeof(struct ndis_802_11_fixed_ie); i < pmlmeinfo->network.ie_length; i += (pIE->Length + 2)) {
pIE = (struct ndis_802_11_var_ie *)(pmlmeinfo->network.ies + i);
switch (pIE->ElementID) {
case _VENDOR_SPECIFIC_IE_:
if ((!memcmp(pIE->data, RTW_WPA_OUI, 4)) ||
(!memcmp(pIE->data, WMM_OUI, 4)) ||
(!memcmp(pIE->data, WPS_OUI, 4))) {
if (!padapter->registrypriv.wifi_spec) {
/* Commented by Kurt 20110629 */
/* In some older APs, WPS handshake */
/* would be fail if we append vender extensions informations to AP */
if (!memcmp(pIE->data, WPS_OUI, 4))
pIE->Length = 14;
}
pframe = rtw_set_ie(pframe, _VENDOR_SPECIFIC_IE_, pIE->Length, pIE->data, &pattrib->pktlen);
}
break;
default:
break;
}
}
if (pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_REALTEK)
pframe = rtw_set_ie(pframe, _VENDOR_SPECIFIC_IE_, 6, REALTEK_96B_IE, &pattrib->pktlen);
pattrib->last_txcmdsz = pattrib->pktlen;
dump_mgntframe(padapter, pmgntframe);
ret = _SUCCESS;
exit:
if (ret == _SUCCESS)
rtw_buf_update(&pmlmepriv->assoc_req, &pmlmepriv->assoc_req_len, (u8 *)pwlanhdr, pattrib->pktlen);
else
rtw_buf_free(&pmlmepriv->assoc_req, &pmlmepriv->assoc_req_len);
}
/* when wait_ack is true, this function should be called at process context */
static int _issue_nulldata(struct adapter *padapter, unsigned char *da,
unsigned int power_mode, bool wait_ack)
{
int ret = _FAIL;
struct xmit_frame *pmgntframe;
struct pkt_attrib *pattrib;
unsigned char *pframe;
struct ieee80211_hdr *pwlanhdr;
__le16 *fctrl;
struct xmit_priv *pxmitpriv;
struct mlme_ext_priv *pmlmeext;
struct mlme_ext_info *pmlmeinfo;
struct wlan_bssid_ex *pnetwork;
if (!padapter)
goto exit;
pxmitpriv = &padapter->xmitpriv;
pmlmeext = &padapter->mlmeextpriv;
pmlmeinfo = &pmlmeext->mlmext_info;
pnetwork = &pmlmeinfo->network;
pmgntframe = alloc_mgtxmitframe(pxmitpriv);
if (!pmgntframe)
goto exit;
/* update attribute */
pattrib = &pmgntframe->attrib;
update_mgntframe_attrib(padapter, pattrib);
pattrib->retry_ctrl = false;
memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
pwlanhdr = (struct ieee80211_hdr *)pframe;
fctrl = &pwlanhdr->frame_control;
*(fctrl) = 0;
if ((pmlmeinfo->state & 0x03) == WIFI_FW_AP_STATE)
SetFrDs(fctrl);
else if ((pmlmeinfo->state & 0x03) == WIFI_FW_STATION_STATE)
SetToDs(fctrl);
if (power_mode)
SetPwrMgt(fctrl);
ether_addr_copy(pwlanhdr->addr1, da);
ether_addr_copy(pwlanhdr->addr2, myid(&padapter->eeprompriv));
ether_addr_copy(pwlanhdr->addr3, pnetwork->MacAddress);
SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq);
pmlmeext->mgnt_seq++;
SetFrameSubType(pframe, WIFI_DATA_NULL);
pframe += sizeof(struct ieee80211_hdr_3addr);
pattrib->pktlen = sizeof(struct ieee80211_hdr_3addr);
pattrib->last_txcmdsz = pattrib->pktlen;
if (wait_ack) {
ret = dump_mgntframe_and_wait_ack(padapter, pmgntframe);
} else {
dump_mgntframe(padapter, pmgntframe);
ret = _SUCCESS;
}
exit:
return ret;
}
/* when wait_ms > 0 , this function should be called at process context */
/* da == NULL for station mode */
int issue_nulldata(struct adapter *padapter, unsigned char *da,
unsigned int power_mode, int try_cnt, int wait_ms)
{
int ret;
int i = 0;
unsigned long start = jiffies;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
struct wlan_bssid_ex *pnetwork = &pmlmeinfo->network;
/* da == NULL, assume it's null data for sta to ap*/
if (da == NULL)
da = pnetwork->MacAddress;
do {
ret = _issue_nulldata(padapter, da, power_mode, wait_ms > 0);
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_88E(FUNC_ADPT_FMT" to %pM, ch:%u%s, %d/%d in %u ms\n",
FUNC_ADPT_ARG(padapter), da, rtw_get_oper_ch(padapter),
ret == _SUCCESS ? ", acked" : "", i, try_cnt,
jiffies_to_msecs(jiffies - start));
else
DBG_88E(FUNC_ADPT_FMT", ch:%u%s, %d/%d in %u ms\n",
FUNC_ADPT_ARG(padapter), rtw_get_oper_ch(padapter),
ret == _SUCCESS ? ", acked" : "", i, try_cnt,
jiffies_to_msecs(jiffies - start));
}
exit:
return ret;
}
/* when wait_ack is true, this function should be called at process context */
static int _issue_qos_nulldata(struct adapter *padapter, unsigned char *da,
u16 tid, bool wait_ack)
{
int ret = _FAIL;
struct xmit_frame *pmgntframe;
struct pkt_attrib *pattrib;
unsigned char *pframe;
struct ieee80211_hdr *pwlanhdr;
__le16 *fctrl;
unsigned short *qc;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
struct wlan_bssid_ex *pnetwork = &pmlmeinfo->network;
DBG_88E("%s\n", __func__);
pmgntframe = alloc_mgtxmitframe(pxmitpriv);
if (!pmgntframe)
goto exit;
/* update attribute */
pattrib = &pmgntframe->attrib;
update_mgntframe_attrib(padapter, pattrib);
pattrib->hdrlen += 2;
pattrib->qos_en = true;
pattrib->eosp = 1;
pattrib->ack_policy = 0;
pattrib->mdata = 0;
memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
pwlanhdr = (struct ieee80211_hdr *)pframe;
fctrl = &pwlanhdr->frame_control;
*(fctrl) = 0;
if ((pmlmeinfo->state & 0x03) == WIFI_FW_AP_STATE)
SetFrDs(fctrl);
else if ((pmlmeinfo->state & 0x03) == WIFI_FW_STATION_STATE)
SetToDs(fctrl);
if (pattrib->mdata)
SetMData(fctrl);
qc = (unsigned short *)(pframe + pattrib->hdrlen - 2);
SetPriority(qc, tid);
SetEOSP(qc, pattrib->eosp);
SetAckpolicy(qc, pattrib->ack_policy);
ether_addr_copy(pwlanhdr->addr1, da);
ether_addr_copy(pwlanhdr->addr2, myid(&padapter->eeprompriv));
ether_addr_copy(pwlanhdr->addr3, pnetwork->MacAddress);
SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq);
pmlmeext->mgnt_seq++;
SetFrameSubType(pframe, WIFI_QOS_DATA_NULL);
pframe += sizeof(struct ieee80211_qos_hdr);
pattrib->pktlen = sizeof(struct ieee80211_qos_hdr);
pattrib->last_txcmdsz = pattrib->pktlen;
if (wait_ack) {
ret = dump_mgntframe_and_wait_ack(padapter, pmgntframe);
} else {
dump_mgntframe(padapter, pmgntframe);
ret = _SUCCESS;
}
exit:
return ret;
}
/* when wait_ms > 0 , this function should be called at process context */
/* da == NULL for station mode */
int issue_qos_nulldata(struct adapter *padapter, unsigned char *da,
u16 tid, int try_cnt, int wait_ms)
{
int ret;
int i = 0;
unsigned long start = jiffies;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
struct wlan_bssid_ex *pnetwork = &pmlmeinfo->network;
/* da == NULL, assume it's null data for sta to ap*/
if (da == NULL)
da = pnetwork->MacAddress;
do {
ret = _issue_qos_nulldata(padapter, da, tid, wait_ms > 0);
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_88E(FUNC_ADPT_FMT" to %pM, ch:%u%s, %d/%d in %u ms\n",
FUNC_ADPT_ARG(padapter), da, rtw_get_oper_ch(padapter),
ret == _SUCCESS ? ", acked" : "", i, try_cnt,
jiffies_to_msecs(jiffies - start));
else
DBG_88E(FUNC_ADPT_FMT", ch:%u%s, %d/%d in %u ms\n",
FUNC_ADPT_ARG(padapter), rtw_get_oper_ch(padapter),
ret == _SUCCESS ? ", acked" : "", i, try_cnt,
jiffies_to_msecs(jiffies - start));
}
exit:
return ret;
}
static int _issue_deauth(struct adapter *padapter, unsigned char *da,
unsigned short reason, bool wait_ack)
{
struct xmit_frame *pmgntframe;
struct pkt_attrib *pattrib;
unsigned char *pframe;
struct ieee80211_hdr *pwlanhdr;
__le16 *fctrl;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
struct wlan_bssid_ex *pnetwork = &pmlmeinfo->network;
int ret = _FAIL;
__le16 le_tmp;
pmgntframe = alloc_mgtxmitframe(pxmitpriv);
if (pmgntframe == NULL)
goto exit;
/* update attribute */
pattrib = &pmgntframe->attrib;
update_mgntframe_attrib(padapter, pattrib);
pattrib->retry_ctrl = false;
memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
pwlanhdr = (struct ieee80211_hdr *)pframe;
fctrl = &pwlanhdr->frame_control;
*(fctrl) = 0;
ether_addr_copy(pwlanhdr->addr1, da);
ether_addr_copy(pwlanhdr->addr2, myid(&padapter->eeprompriv));
ether_addr_copy(pwlanhdr->addr3, pnetwork->MacAddress);
SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq);
pmlmeext->mgnt_seq++;
SetFrameSubType(pframe, WIFI_DEAUTH);
pframe += sizeof(struct ieee80211_hdr_3addr);
pattrib->pktlen = sizeof(struct ieee80211_hdr_3addr);
le_tmp = cpu_to_le16(reason);
pframe = rtw_set_fixed_ie(pframe, _RSON_CODE_, &le_tmp,
&pattrib->pktlen);
pattrib->last_txcmdsz = pattrib->pktlen;
if (wait_ack) {
ret = dump_mgntframe_and_wait_ack(padapter, pmgntframe);
} else {
dump_mgntframe(padapter, pmgntframe);
ret = _SUCCESS;
}
exit:
return ret;
}
int issue_deauth(struct adapter *padapter, unsigned char *da,
unsigned short reason)
{
DBG_88E("%s to %pM\n", __func__, da);
return _issue_deauth(padapter, da, reason, false);
}
static int issue_deauth_ex(struct adapter *padapter, u8 *da,
unsigned short reason, int try_cnt,
int wait_ms)
{
int ret;
int i = 0;
unsigned long start = jiffies;
do {
ret = _issue_deauth(padapter, da, reason, wait_ms > 0);
i++;
if (padapter->bDriverStopped || padapter->bSurpriseRemoved)
break;
if (i < try_cnt && wait_ms > 0 && ret == _FAIL)
mdelay(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_88E(FUNC_ADPT_FMT" to %pM, ch:%u%s, %d/%d in %u ms\n",
FUNC_ADPT_ARG(padapter), da, rtw_get_oper_ch(padapter),
ret == _SUCCESS ? ", acked" : "", i, try_cnt,
jiffies_to_msecs(jiffies - start));
else
DBG_88E(FUNC_ADPT_FMT", ch:%u%s, %d/%d in %u ms\n",
FUNC_ADPT_ARG(padapter), rtw_get_oper_ch(padapter),
ret == _SUCCESS ? ", acked" : "", i, try_cnt,
jiffies_to_msecs(jiffies - start));
}
exit:
return ret;
}
static void issue_action_BA(struct adapter *padapter, unsigned char *raddr,
unsigned char action, unsigned short status)
{
u8 category = RTW_WLAN_CATEGORY_BACK;
u16 start_seq;
u16 BA_para_set;
u16 reason_code;
u16 BA_timeout_value;
__le16 le_tmp;
u16 BA_starting_seqctrl = 0;
enum ht_cap_ampdu_factor max_rx_ampdu_factor;
struct xmit_frame *pmgntframe;
struct pkt_attrib *pattrib;
u8 *pframe;
struct ieee80211_hdr *pwlanhdr;
__le16 *fctrl;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
struct sta_info *psta;
struct sta_priv *pstapriv = &padapter->stapriv;
struct registry_priv *pregpriv = &padapter->registrypriv;
struct wlan_bssid_ex *pnetwork = &pmlmeinfo->network;
DBG_88E("%s, category=%d, action=%d, status=%d\n", __func__, category, action, status);
pmgntframe = alloc_mgtxmitframe(pxmitpriv);
if (!pmgntframe)
return;
/* update attribute */
pattrib = &pmgntframe->attrib;
update_mgntframe_attrib(padapter, pattrib);
memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
pwlanhdr = (struct ieee80211_hdr *)pframe;
fctrl = &pwlanhdr->frame_control;
*(fctrl) = 0;
ether_addr_copy(pwlanhdr->addr1, raddr);
ether_addr_copy(pwlanhdr->addr2, myid(&padapter->eeprompriv));
ether_addr_copy(pwlanhdr->addr3, pnetwork->MacAddress);
SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq);
pmlmeext->mgnt_seq++;
SetFrameSubType(pframe, WIFI_ACTION);
pframe += sizeof(struct ieee80211_hdr_3addr);
pattrib->pktlen = sizeof(struct ieee80211_hdr_3addr);
pframe = rtw_set_fixed_ie(pframe, 1, &category, &pattrib->pktlen);
pframe = rtw_set_fixed_ie(pframe, 1, &action, &pattrib->pktlen);
if (category == 3) {
switch (action) {
case 0: /* ADDBA req */
do {
pmlmeinfo->dialogToken++;
} while (pmlmeinfo->dialogToken == 0);
pframe = rtw_set_fixed_ie(pframe, 1, &pmlmeinfo->dialogToken, &pattrib->pktlen);
BA_para_set = 0x1002 | ((status & 0xf) << 2); /* immediate ack & 64 buffer size */
le_tmp = cpu_to_le16(BA_para_set);
pframe = rtw_set_fixed_ie(pframe, 2, &(le_tmp),
&pattrib->pktlen);
BA_timeout_value = 5000;/* 5ms */
le_tmp = cpu_to_le16(BA_timeout_value);
pframe = rtw_set_fixed_ie(pframe, 2, &(le_tmp),
&pattrib->pktlen);
psta = rtw_get_stainfo(pstapriv, raddr);
if (psta) {
start_seq = (psta->sta_xmitpriv.txseq_tid[status & 0x07] & 0xfff) + 1;
DBG_88E("BA_starting_seqctrl=%d for TID=%d\n", start_seq, status & 0x07);
psta->BA_starting_seqctrl[status & 0x07] = start_seq;
BA_starting_seqctrl = start_seq << 4;
}
le_tmp = cpu_to_le16(BA_starting_seqctrl);
pframe = rtw_set_fixed_ie(pframe, 2, &(le_tmp),
&pattrib->pktlen);
break;
case 1: /* ADDBA rsp */
{
struct ADDBA_request *ADDBA_req = &pmlmeinfo->ADDBA_req;
pframe = rtw_set_fixed_ie(pframe, 1,
&ADDBA_req->dialog_token,
&pattrib->pktlen);
pframe = rtw_set_fixed_ie(pframe, 2, &status,
&pattrib->pktlen);
BA_para_set = le16_to_cpu(ADDBA_req->BA_para_set) &
0x3f;
rtw_hal_get_def_var(padapter, HW_VAR_MAX_RX_AMPDU_FACTOR, &max_rx_ampdu_factor);
switch (max_rx_ampdu_factor) {
case MAX_AMPDU_FACTOR_64K:
BA_para_set |= 0x1000; /* 64 buffer size */
break;
case MAX_AMPDU_FACTOR_32K:
BA_para_set |= 0x0800; /* 32 buffer size */
break;
case MAX_AMPDU_FACTOR_16K:
BA_para_set |= 0x0400; /* 16 buffer size */
break;
case MAX_AMPDU_FACTOR_8K:
BA_para_set |= 0x0200; /* 8 buffer size */
break;
default:
BA_para_set |= 0x1000; /* 64 buffer size */
break;
}
if (pregpriv->ampdu_amsdu == 0)/* disabled */
BA_para_set = BA_para_set & ~BIT(0);
else if (pregpriv->ampdu_amsdu == 1)/* enabled */
BA_para_set = BA_para_set | BIT(0);
le_tmp = cpu_to_le16(BA_para_set);
pframe = rtw_set_fixed_ie(pframe, 2, &(le_tmp),
&pattrib->pktlen);
pframe = rtw_set_fixed_ie(pframe, 2,
&ADDBA_req->BA_timeout_value,
&pattrib->pktlen);
break;
}
case 2:/* DELBA */
BA_para_set = (status & 0x1F) << 3;
le_tmp = cpu_to_le16(BA_para_set);
pframe = rtw_set_fixed_ie(pframe, 2, &(le_tmp),
&pattrib->pktlen);
reason_code = 37;/* Requested from peer STA as it does not want to use the mechanism */
le_tmp = cpu_to_le16(reason_code);
pframe = rtw_set_fixed_ie(pframe, 2, &(le_tmp),
&pattrib->pktlen);
break;
default:
break;
}
}
pattrib->last_txcmdsz = pattrib->pktlen;
dump_mgntframe(padapter, pmgntframe);
}
static void issue_action_BSSCoexistPacket(struct adapter *padapter)
{
struct list_head *plist, *phead;
unsigned char category, action;
struct xmit_frame *pmgntframe;
struct pkt_attrib *pattrib;
unsigned char *pframe;
struct ieee80211_hdr *pwlanhdr;
__le16 *fctrl;
struct wlan_network *pnetwork = NULL;
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 __queue *queue = &pmlmepriv->scanned_queue;
u8 InfoContent[16] = {0};
u8 ICS[8][15];
struct wlan_bssid_ex *cur_network = &pmlmeinfo->network;
if ((pmlmepriv->num_FortyMHzIntolerant == 0) || (pmlmepriv->num_sta_no_ht == 0))
return;
if (pmlmeinfo->bwmode_updated)
return;
DBG_88E("%s\n", __func__);
category = RTW_WLAN_CATEGORY_PUBLIC;
action = ACT_PUBLIC_BSSCOEXIST;
pmgntframe = alloc_mgtxmitframe(pxmitpriv);
if (!pmgntframe)
return;
/* update attribute */
pattrib = &pmgntframe->attrib;
update_mgntframe_attrib(padapter, pattrib);
memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
pwlanhdr = (struct ieee80211_hdr *)pframe;
fctrl = &pwlanhdr->frame_control;
*(fctrl) = 0;
ether_addr_copy(pwlanhdr->addr1, cur_network->MacAddress);
ether_addr_copy(pwlanhdr->addr2, myid(&padapter->eeprompriv));
ether_addr_copy(pwlanhdr->addr3, cur_network->MacAddress);
SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq);
pmlmeext->mgnt_seq++;
SetFrameSubType(pframe, WIFI_ACTION);
pframe += sizeof(struct ieee80211_hdr_3addr);
pattrib->pktlen = sizeof(struct ieee80211_hdr_3addr);
pframe = rtw_set_fixed_ie(pframe, 1, &category, &pattrib->pktlen);
pframe = rtw_set_fixed_ie(pframe, 1, &action, &pattrib->pktlen);
/* */
if (pmlmepriv->num_FortyMHzIntolerant > 0) {
u8 iedata = 0;
iedata |= BIT(2);/* 20 MHz BSS Width Request */
pframe = rtw_set_ie(pframe, EID_BSSCoexistence, 1, &iedata, &pattrib->pktlen);
}
/* */
memset(ICS, 0, sizeof(ICS));
if (pmlmepriv->num_sta_no_ht > 0) {
int i;
spin_lock_bh(&pmlmepriv->scanned_queue.lock);
phead = get_list_head(queue);
plist = phead->next;
while (phead != plist) {
uint len;
u8 *p;
struct wlan_bssid_ex *pbss_network;
pnetwork = container_of(plist, struct wlan_network, list);
plist = plist->next;
pbss_network = (struct wlan_bssid_ex *)&pnetwork->network;
p = rtw_get_ie(pbss_network->ies + _FIXED_IE_LENGTH_, _HT_CAPABILITY_IE_, &len, pbss_network->ie_length - _FIXED_IE_LENGTH_);
if ((p == NULL) || (len == 0)) { /* non-HT */
if ((pbss_network->Configuration.DSConfig <= 0) || (pbss_network->Configuration.DSConfig > 14))
continue;
ICS[0][pbss_network->Configuration.DSConfig] = 1;
if (ICS[0][0] == 0)
ICS[0][0] = 1;
}
}
spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
for (i = 0; i < 8; i++) {
if (ICS[i][0] == 1) {
int j, k = 0;
InfoContent[k] = i;
/* SET_BSS_INTOLERANT_ELE_REG_CLASS(InfoContent, i); */
k++;
for (j = 1; j <= 14; j++) {
if (ICS[i][j] == 1) {
if (k < 16) {
InfoContent[k] = j; /* channel number */
/* SET_BSS_INTOLERANT_ELE_CHANNEL(InfoContent+k, j); */
k++;
}
}
}
pframe = rtw_set_ie(pframe, EID_BSSIntolerantChlReport, k, InfoContent, &pattrib->pktlen);
}
}
}
pattrib->last_txcmdsz = pattrib->pktlen;
dump_mgntframe(padapter, pmgntframe);
}
unsigned int send_delba(struct adapter *padapter, u8 initiator, u8 *addr)
{
struct sta_priv *pstapriv = &padapter->stapriv;
struct sta_info *psta = NULL;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
u16 tid;
if ((pmlmeinfo->state & 0x03) != WIFI_FW_AP_STATE)
if (!(pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS))
return _SUCCESS;
psta = rtw_get_stainfo(pstapriv, addr);
if (psta == NULL)
return _SUCCESS;
if (initiator == 0) { /* recipient */
for (tid = 0; tid < MAXTID; tid++) {
if (psta->recvreorder_ctrl[tid].enable) {
DBG_88E("rx agg disable tid(%d)\n", tid);
issue_action_BA(padapter, addr, RTW_WLAN_ACTION_DELBA, (((tid << 1) | initiator) & 0x1F));
psta->recvreorder_ctrl[tid].enable = false;
psta->recvreorder_ctrl[tid].indicate_seq = 0xffff;
}
}
} else if (initiator == 1) { /* originator */
for (tid = 0; tid < MAXTID; tid++) {
if (psta->htpriv.agg_enable_bitmap & BIT(tid)) {
DBG_88E("tx agg disable tid(%d)\n", tid);
issue_action_BA(padapter, addr, RTW_WLAN_ACTION_DELBA, (((tid << 1) | initiator) & 0x1F));
psta->htpriv.agg_enable_bitmap &= ~BIT(tid);
psta->htpriv.candidate_tid_bitmap &= ~BIT(tid);
}
}
}
return _SUCCESS;
}
unsigned int send_beacon(struct adapter *padapter)
{
u8 bxmitok = false;
int issue = 0;
int poll = 0;
unsigned long start = jiffies;
rtw_hal_set_hwreg(padapter, HW_VAR_BCN_VALID, NULL);
do {
issue_beacon(padapter, 100);
issue++;
do {
yield();
rtw_hal_get_hwreg(padapter, HW_VAR_BCN_VALID, (u8 *)(&bxmitok));
poll++;
} while ((poll%10) != 0 && !bxmitok && !padapter->bSurpriseRemoved && !padapter->bDriverStopped);
} while (!bxmitok && issue < 100 && !padapter->bSurpriseRemoved && !padapter->bDriverStopped);
if (padapter->bSurpriseRemoved || padapter->bDriverStopped)
return _FAIL;
if (!bxmitok) {
DBG_88E("%s fail! %u ms\n", __func__,
jiffies_to_msecs(jiffies - start));
return _FAIL;
} else {
u32 passing_time = jiffies_to_msecs(jiffies - start);
if (passing_time > 100 || issue > 3)
DBG_88E("%s success, issue:%d, poll:%d, %u ms\n",
__func__, issue, poll,
jiffies_to_msecs(jiffies - start));
return _SUCCESS;
}
}
/****************************************************************************
Following are some utility functions for WiFi MLME
*****************************************************************************/
static void site_survey(struct adapter *padapter)
{
unsigned char survey_channel = 0, val8;
enum rt_scan_type ScanType = SCAN_PASSIVE;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
u32 initialgain = 0;
struct rtw_ieee80211_channel *ch;
if (pmlmeext->sitesurvey_res.channel_idx < pmlmeext->sitesurvey_res.ch_num) {
ch = &pmlmeext->sitesurvey_res.ch[pmlmeext->sitesurvey_res.channel_idx];
survey_channel = ch->hw_value;
ScanType = (ch->flags & RTW_IEEE80211_CHAN_PASSIVE_SCAN) ? SCAN_PASSIVE : SCAN_ACTIVE;
}
if (survey_channel != 0) {
/* PAUSE 4-AC Queue when site_survey */
/* rtw_hal_get_hwreg(padapter, HW_VAR_TXPAUSE, (u8 *)(&val8)); */
/* val8 |= 0x0f; */
/* rtw_hal_set_hwreg(padapter, HW_VAR_TXPAUSE, (u8 *)(&val8)); */
if (pmlmeext->sitesurvey_res.channel_idx == 0)
set_channel_bwmode(padapter, survey_channel, HAL_PRIME_CHNL_OFFSET_DONT_CARE, HT_CHANNEL_WIDTH_20);
else
SelectChannel(padapter, survey_channel);
if (ScanType == SCAN_ACTIVE) { /* obey the channel plan setting... */
int i;
for (i = 0; i < RTW_SSID_SCAN_AMOUNT; i++) {
if (pmlmeext->sitesurvey_res.ssid[i].ssid_length) {
/* todo: to issue two probe req??? */
issue_probereq(padapter,
&(pmlmeext->sitesurvey_res.ssid[i]),
NULL, false);
/* msleep(SURVEY_TO>>1); */
issue_probereq(padapter,
&(pmlmeext->sitesurvey_res.ssid[i]),
NULL, false);
}
}
if (pmlmeext->sitesurvey_res.scan_mode == SCAN_ACTIVE) {
/* todo: to issue two probe req??? */
issue_probereq(padapter, NULL, NULL, false);
/* msleep(SURVEY_TO>>1); */
issue_probereq(padapter, NULL, NULL, false);
}
if (pmlmeext->sitesurvey_res.scan_mode == SCAN_ACTIVE) {
/* todo: to issue two probe req??? */
issue_probereq(padapter, NULL, NULL, false);
/* msleep(SURVEY_TO>>1); */
issue_probereq(padapter, NULL, NULL, false);
}
}
set_survey_timer(pmlmeext, pmlmeext->chan_scan_time);
} else {
/* 20100721:Interrupt scan operation here. */
/* For SW antenna diversity before link, it needs to switch to another antenna and scan again. */
/* It compares the scan result and select better one to do connection. */
if (rtw_hal_antdiv_before_linked(padapter)) {
pmlmeext->sitesurvey_res.bss_cnt = 0;
pmlmeext->sitesurvey_res.channel_idx = -1;
pmlmeext->chan_scan_time = SURVEY_TO / 2;
set_survey_timer(pmlmeext, pmlmeext->chan_scan_time);
return;
}
pmlmeext->sitesurvey_res.state = SCAN_COMPLETE;
/* switch back to the original channel */
set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode);
/* flush 4-AC Queue after site_survey */
/* val8 = 0; */
/* rtw_hal_set_hwreg(padapter, HW_VAR_TXPAUSE, (u8 *)(&val8)); */
/* config MSR */
Set_MSR(padapter, (pmlmeinfo->state & 0x3));
initialgain = 0xff; /* restore RX GAIN */
rtw_hal_set_hwreg(padapter, HW_VAR_INITIAL_GAIN, (u8 *)(&initialgain));
/* turn on dynamic functions */
Restore_DM_Func_Flag(padapter);
/* Switch_DM_Func(padapter, DYNAMIC_ALL_FUNC_ENABLE, true); */
if (is_client_associated_to_ap(padapter))
issue_nulldata(padapter, NULL, 0, 3, 500);
val8 = 0; /* survey done */
rtw_hal_set_hwreg(padapter, HW_VAR_MLME_SITESURVEY, (u8 *)(&val8));
report_surveydone_event(padapter);
pmlmeext->chan_scan_time = SURVEY_TO;
pmlmeext->sitesurvey_res.state = SCAN_DISABLE;
issue_action_BSSCoexistPacket(padapter);
issue_action_BSSCoexistPacket(padapter);
issue_action_BSSCoexistPacket(padapter);
}
}
/* collect bss info from Beacon and Probe request/response frames. */
static u8 collect_bss_info(struct adapter *padapter,
struct recv_frame *precv_frame,
struct wlan_bssid_ex *bssid)
{
int i;
u32 len;
u8 *p;
u16 val16, subtype;
u8 *pframe = precv_frame->pkt->data;
u32 packet_len = precv_frame->pkt->len;
u8 ie_offset;
struct registry_priv *pregistrypriv = &padapter->registrypriv;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
len = packet_len - sizeof(struct ieee80211_hdr_3addr);
if (len > MAX_IE_SZ)
return _FAIL;
memset(bssid, 0, sizeof(struct wlan_bssid_ex));
subtype = GetFrameSubType(pframe);
if (subtype == WIFI_BEACON) {
bssid->Reserved[0] = 1;
ie_offset = _BEACON_IE_OFFSET_;
} else {
/* FIXME : more type */
if (subtype == WIFI_PROBEREQ) {
ie_offset = _PROBEREQ_IE_OFFSET_;
bssid->Reserved[0] = 2;
} else if (subtype == WIFI_PROBERSP) {
ie_offset = _PROBERSP_IE_OFFSET_;
bssid->Reserved[0] = 3;
} else {
bssid->Reserved[0] = 0;
ie_offset = _FIXED_IE_LENGTH_;
}
}
bssid->Length = sizeof(struct wlan_bssid_ex) - MAX_IE_SZ + len;
/* below is to copy the information element */
bssid->ie_length = len;
memcpy(bssid->ies, (pframe + sizeof(struct ieee80211_hdr_3addr)), bssid->ie_length);
/* get the signal strength in dBM.raw data */
bssid->Rssi = precv_frame->attrib.phy_info.recvpower;
bssid->PhyInfo.SignalQuality = precv_frame->attrib.phy_info.SignalQuality;/* in percentage */
bssid->PhyInfo.SignalStrength = precv_frame->attrib.phy_info.SignalStrength;/* in percentage */
rtw_hal_get_def_var(padapter, HAL_DEF_CURRENT_ANTENNA, &bssid->PhyInfo.Optimum_antenna);
/* checking SSID */
p = rtw_get_ie(bssid->ies + ie_offset, _SSID_IE_, &len, bssid->ie_length - ie_offset);
if (!p) {
DBG_88E("marc: cannot find SSID for survey event\n");
return _FAIL;
}
if (len) {
if (len > NDIS_802_11_LENGTH_SSID) {
DBG_88E("%s()-%d: IE too long (%d) for survey event\n", __func__, __LINE__, len);
return _FAIL;
}
memcpy(bssid->ssid.ssid, (p + 2), len);
bssid->ssid.ssid_length = len;
} else {
bssid->ssid.ssid_length = 0;
}
memset(bssid->SupportedRates, 0, NDIS_802_11_LENGTH_RATES_EX);
/* checking rate info... */
i = 0;
p = rtw_get_ie(bssid->ies + ie_offset, _SUPPORTEDRATES_IE_, &len, bssid->ie_length - ie_offset);
if (p != NULL) {
if (len > NDIS_802_11_LENGTH_RATES_EX) {
DBG_88E("%s()-%d: IE too long (%d) for survey event\n", __func__, __LINE__, len);
return _FAIL;
}
memcpy(bssid->SupportedRates, (p + 2), len);
i = len;
}
p = rtw_get_ie(bssid->ies + ie_offset, _EXT_SUPPORTEDRATES_IE_, &len, bssid->ie_length - ie_offset);
if (p) {
if (len > (NDIS_802_11_LENGTH_RATES_EX-i)) {
DBG_88E("%s()-%d: IE too long (%d) for survey event\n", __func__, __LINE__, len);
return _FAIL;
}
memcpy(bssid->SupportedRates + i, (p + 2), len);
}
/* todo: */
bssid->NetworkTypeInUse = Ndis802_11OFDM24;
if (bssid->ie_length < 12)
return _FAIL;
/* Checking for DSConfig */
p = rtw_get_ie(bssid->ies + ie_offset, _DSSET_IE_, &len, bssid->ie_length - ie_offset);
bssid->Configuration.DSConfig = 0;
bssid->Configuration.Length = 0;
if (p) {
bssid->Configuration.DSConfig = *(p + 2);
} else {/* In 5G, some ap do not have DSSET IE */
/* checking HT info for channel */
p = rtw_get_ie(bssid->ies + ie_offset, _HT_ADD_INFO_IE_, &len, bssid->ie_length - ie_offset);
if (p) {
struct HT_info_element *HT_info = (struct HT_info_element *)(p + 2);
bssid->Configuration.DSConfig = HT_info->primary_channel;
} else { /* use current channel */
bssid->Configuration.DSConfig = rtw_get_oper_ch(padapter);
}
}
if (subtype == WIFI_PROBEREQ) {
/* FIXME */
bssid->InfrastructureMode = Ndis802_11Infrastructure;
ether_addr_copy(bssid->MacAddress, GetAddr2Ptr(pframe));
bssid->Privacy = 1;
return _SUCCESS;
}
bssid->Configuration.BeaconPeriod =
get_unaligned_le16(rtw_get_beacon_interval_from_ie(bssid->ies));
val16 = rtw_get_capability((struct wlan_bssid_ex *)bssid);
if (val16 & BIT(0)) {
bssid->InfrastructureMode = Ndis802_11Infrastructure;
ether_addr_copy(bssid->MacAddress, GetAddr2Ptr(pframe));
} else {
bssid->InfrastructureMode = Ndis802_11IBSS;
ether_addr_copy(bssid->MacAddress, GetAddr3Ptr(pframe));
}
if (val16 & BIT(4))
bssid->Privacy = 1;
else
bssid->Privacy = 0;
bssid->Configuration.ATIMWindow = 0;
/* 20/40 BSS Coexistence check */
if ((pregistrypriv->wifi_spec == 1) && (!pmlmeinfo->bwmode_updated)) {
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
p = rtw_get_ie(bssid->ies + ie_offset, _HT_CAPABILITY_IE_, &len, bssid->ie_length - ie_offset);
if (p && len > 0) {
struct ieee80211_ht_cap *pHT_caps =
(struct ieee80211_ht_cap *)(p + 2);
if (le16_to_cpu(pHT_caps->cap_info) & BIT(14))
pmlmepriv->num_FortyMHzIntolerant++;
} else {
pmlmepriv->num_sta_no_ht++;
}
}
/* mark bss info receiving from nearby channel as SignalQuality 101 */
if (bssid->Configuration.DSConfig != rtw_get_oper_ch(padapter))
bssid->PhyInfo.SignalQuality = 101;
return _SUCCESS;
}
static void start_create_ibss(struct adapter *padapter)
{
unsigned short caps;
u8 val8;
u8 join_type;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
struct wlan_bssid_ex *pnetwork = (struct wlan_bssid_ex *)(&pmlmeinfo->network);
pmlmeext->cur_channel = (u8)pnetwork->Configuration.DSConfig;
pmlmeinfo->bcn_interval = get_beacon_interval(pnetwork);
/* update wireless mode */
update_wireless_mode(padapter);
/* update capability */
caps = rtw_get_capability((struct wlan_bssid_ex *)pnetwork);
update_capinfo(padapter, caps);
if (caps & cap_IBSS) {/* adhoc master */
val8 = 0xcf;
rtw_hal_set_hwreg(padapter, HW_VAR_SEC_CFG, (u8 *)(&val8));
/* switch channel */
/* SelectChannel(padapter, pmlmeext->cur_channel, HAL_PRIME_CHNL_OFFSET_DONT_CARE); */
set_channel_bwmode(padapter, pmlmeext->cur_channel, HAL_PRIME_CHNL_OFFSET_DONT_CARE, HT_CHANNEL_WIDTH_20);
beacon_timing_control(padapter);
/* set msr to WIFI_FW_ADHOC_STATE */
pmlmeinfo->state = WIFI_FW_ADHOC_STATE;
Set_MSR(padapter, (pmlmeinfo->state & 0x3));
/* issue beacon */
if (send_beacon(padapter) == _FAIL) {
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("issuing beacon frame fail....\n"));
report_join_res(padapter, -1);
pmlmeinfo->state = WIFI_FW_NULL_STATE;
} else {
rtw_hal_set_hwreg(padapter, HW_VAR_BSSID, padapter->registrypriv.dev_network.MacAddress);
join_type = 0;
rtw_hal_set_hwreg(padapter, HW_VAR_MLME_JOIN, (u8 *)(&join_type));
report_join_res(padapter, 1);
pmlmeinfo->state |= WIFI_FW_ASSOC_SUCCESS;
}
} else {
DBG_88E("%s, invalid cap:%x\n", __func__, caps);
return;
}
}
static void start_clnt_join(struct adapter *padapter)
{
unsigned short caps;
u8 val8;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
struct wlan_bssid_ex *pnetwork = (struct wlan_bssid_ex *)(&pmlmeinfo->network);
int beacon_timeout;
pmlmeext->cur_channel = (u8)pnetwork->Configuration.DSConfig;
pmlmeinfo->bcn_interval = get_beacon_interval(pnetwork);
/* update wireless mode */
update_wireless_mode(padapter);
/* update capability */
caps = rtw_get_capability((struct wlan_bssid_ex *)pnetwork);
update_capinfo(padapter, caps);
if (caps & cap_ESS) {
Set_MSR(padapter, WIFI_FW_STATION_STATE);
val8 = (pmlmeinfo->auth_algo == dot11AuthAlgrthm_8021X) ? 0xcc : 0xcf;
rtw_hal_set_hwreg(padapter, HW_VAR_SEC_CFG, (u8 *)(&val8));
/* switch channel */
set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode);
/* here wait for receiving the beacon to start auth */
/* and enable a timer */
beacon_timeout = decide_wait_for_beacon_timeout(pmlmeinfo->bcn_interval);
set_link_timer(pmlmeext, beacon_timeout);
mod_timer(&padapter->mlmepriv.assoc_timer, jiffies +
msecs_to_jiffies((REAUTH_TO * REAUTH_LIMIT) + (REASSOC_TO * REASSOC_LIMIT) + beacon_timeout));
pmlmeinfo->state = WIFI_FW_AUTH_NULL | WIFI_FW_STATION_STATE;
} else if (caps & cap_IBSS) { /* adhoc client */
Set_MSR(padapter, WIFI_FW_ADHOC_STATE);
val8 = 0xcf;
rtw_hal_set_hwreg(padapter, HW_VAR_SEC_CFG, (u8 *)(&val8));
/* switch channel */
set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode);
beacon_timing_control(padapter);
pmlmeinfo->state = WIFI_FW_ADHOC_STATE;
report_join_res(padapter, 1);
} else {
return;
}
}
static void start_clnt_auth(struct adapter *padapter)
{
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
del_timer_sync(&pmlmeext->link_timer);
pmlmeinfo->state &= (~WIFI_FW_AUTH_NULL);
pmlmeinfo->state |= WIFI_FW_AUTH_STATE;
pmlmeinfo->auth_seq = 1;
pmlmeinfo->reauth_count = 0;
pmlmeinfo->reassoc_count = 0;
pmlmeinfo->link_count = 0;
pmlmeext->retry = 0;
/* Because of AP's not receiving deauth before */
/* AP may: 1)not response auth or 2)deauth us after link is complete */
/* issue deauth before issuing auth to deal with the situation */
/* Commented by Albert 2012/07/21 */
/* For the Win8 P2P connection, it will be hard to have a successful connection if this Wi-Fi doesn't connect to it. */
issue_deauth(padapter, (&pmlmeinfo->network)->MacAddress, WLAN_REASON_DEAUTH_LEAVING);
DBG_88E_LEVEL(_drv_info_, "start auth\n");
issue_auth(padapter, NULL, 0);
set_link_timer(pmlmeext, REAUTH_TO);
}
static void start_clnt_assoc(struct adapter *padapter)
{
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
del_timer_sync(&pmlmeext->link_timer);
pmlmeinfo->state &= (~(WIFI_FW_AUTH_NULL | WIFI_FW_AUTH_STATE));
pmlmeinfo->state |= (WIFI_FW_AUTH_SUCCESS | WIFI_FW_ASSOC_STATE);
issue_assocreq(padapter);
set_link_timer(pmlmeext, REASSOC_TO);
}
static unsigned int receive_disconnect(struct adapter *padapter,
unsigned char *MacAddr,
unsigned short reason)
{
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
struct wlan_bssid_ex *pnetwork = &pmlmeinfo->network;
/* check A3 */
if (memcmp(MacAddr, pnetwork->MacAddress, ETH_ALEN))
return _SUCCESS;
DBG_88E("%s\n", __func__);
if ((pmlmeinfo->state & 0x03) == WIFI_FW_STATION_STATE) {
if (pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) {
pmlmeinfo->state = WIFI_FW_NULL_STATE;
report_del_sta_event(padapter, MacAddr, reason);
} else if (pmlmeinfo->state & WIFI_FW_LINKING_STATE) {
pmlmeinfo->state = WIFI_FW_NULL_STATE;
report_join_res(padapter, -2);
}
}
return _SUCCESS;
}
static void process_80211d(struct adapter *padapter, struct wlan_bssid_ex *bssid)
{
struct registry_priv *pregistrypriv;
struct mlme_ext_priv *pmlmeext;
struct rt_channel_info *chplan_new;
u8 channel;
u8 i;
pregistrypriv = &padapter->registrypriv;
pmlmeext = &padapter->mlmeextpriv;
/* Adjust channel plan by AP Country IE */
if (pregistrypriv->enable80211d &&
(!pmlmeext->update_channel_plan_by_ap_done)) {
u8 *ie, *p;
u32 len;
struct rt_channel_plan chplan_ap;
struct rt_channel_info chplan_sta[MAX_CHANNEL_NUM];
u8 country[4];
u8 fcn; /* first channel number */
u8 noc; /* number of channel */
u8 j, k;
ie = rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, _COUNTRY_IE_, &len, bssid->ie_length - _FIXED_IE_LENGTH_);
if (!ie)
return;
if (len < 6)
return;
ie += 2;
p = ie;
ie += len;
memset(country, 0, 4);
memcpy(country, p, 3);
p += 3;
RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_,
("%s: 802.11d country =%s\n", __func__, country));
i = 0;
while ((ie - p) >= 3) {
fcn = *(p++);
noc = *(p++);
p++;
for (j = 0; j < noc; j++) {
channel = fcn + j;
chplan_ap.Channel[i++] = channel;
}
}
chplan_ap.Len = i;
memcpy(chplan_sta, pmlmeext->channel_set, sizeof(chplan_sta));
memset(pmlmeext->channel_set, 0, sizeof(pmlmeext->channel_set));
chplan_new = pmlmeext->channel_set;
i = 0;
j = 0;
k = 0;
if (pregistrypriv->wireless_mode & WIRELESS_11G) {
do {
if ((i == MAX_CHANNEL_NUM) ||
(chplan_sta[i].ChannelNum == 0) ||
(chplan_sta[i].ChannelNum > 14))
break;
if ((j == chplan_ap.Len) || (chplan_ap.Channel[j] > 14))
break;
if (chplan_sta[i].ChannelNum == chplan_ap.Channel[j]) {
chplan_new[k].ChannelNum = chplan_ap.Channel[j];
chplan_new[k].ScanType = SCAN_ACTIVE;
i++;
j++;
k++;
} else if (chplan_sta[i].ChannelNum < chplan_ap.Channel[j]) {
chplan_new[k].ChannelNum = chplan_sta[i].ChannelNum;
chplan_new[k].ScanType = SCAN_PASSIVE;
i++;
k++;
} else if (chplan_sta[i].ChannelNum > chplan_ap.Channel[j]) {
chplan_new[k].ChannelNum = chplan_ap.Channel[j];
chplan_new[k].ScanType = SCAN_ACTIVE;
j++;
k++;
}
} while (1);
/* change AP not support channel to Passive scan */
while ((i < MAX_CHANNEL_NUM) &&
(chplan_sta[i].ChannelNum != 0) &&
(chplan_sta[i].ChannelNum <= 14)) {
chplan_new[k].ChannelNum = chplan_sta[i].ChannelNum;
chplan_new[k].ScanType = SCAN_PASSIVE;
i++;
k++;
}
/* add channel AP supported */
while ((j < chplan_ap.Len) && (chplan_ap.Channel[j] <= 14)) {
chplan_new[k].ChannelNum = chplan_ap.Channel[j];
chplan_new[k].ScanType = SCAN_ACTIVE;
j++;
k++;
}
} else {
/* keep original STA 2.4G channel plan */
while ((i < MAX_CHANNEL_NUM) &&
(chplan_sta[i].ChannelNum != 0) &&
(chplan_sta[i].ChannelNum <= 14)) {
chplan_new[k].ChannelNum = chplan_sta[i].ChannelNum;
chplan_new[k].ScanType = chplan_sta[i].ScanType;
i++;
k++;
}
/* skip AP 2.4G channel plan */
while ((j < chplan_ap.Len) && (chplan_ap.Channel[j] <= 14))
j++;
}
pmlmeext->update_channel_plan_by_ap_done = 1;
}
/* If channel is used by AP, set channel scan type to active */
channel = bssid->Configuration.DSConfig;
chplan_new = pmlmeext->channel_set;
i = 0;
while ((i < MAX_CHANNEL_NUM) && (chplan_new[i].ChannelNum != 0)) {
if (chplan_new[i].ChannelNum == channel) {
if (chplan_new[i].ScanType == SCAN_PASSIVE) {
chplan_new[i].ScanType = SCAN_ACTIVE;
RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_,
("%s: change channel %d scan type from passive to active\n",
__func__, channel));
}
break;
}
i++;
}
}
/****************************************************************************
Following are the callback functions for each subtype of the management frames
*****************************************************************************/
static unsigned int OnProbeReq(struct adapter *padapter,
struct recv_frame *precv_frame)
{
unsigned int ielen;
unsigned char *p;
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;
u8 *pframe = precv_frame->pkt->data;
uint len = precv_frame->pkt->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;
p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + _PROBEREQ_IE_OFFSET_, _SSID_IE_, &ielen,
len - WLAN_HDR_A3_LEN - _PROBEREQ_IE_OFFSET_);
/* check (wildcard) SSID */
if (p) {
if ((ielen != 0 && memcmp((void *)(p+2), (void *)cur->ssid.ssid, cur->ssid.ssid_length)) ||
(ielen == 0 && pmlmeinfo->hidden_ssid_mode))
return _SUCCESS;
if (check_fwstate(pmlmepriv, _FW_LINKED) &&
pmlmepriv->cur_network.join_res)
issue_probersp(padapter, get_sa(pframe));
}
return _SUCCESS;
}
static unsigned int OnProbeRsp(struct adapter *padapter,
struct recv_frame *precv_frame)
{
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
if (pmlmeext->sitesurvey_res.state == SCAN_PROCESS) {
report_survey_event(padapter, precv_frame);
return _SUCCESS;
}
return _SUCCESS;
}
static unsigned int OnBeacon(struct 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;
u8 *pframe = precv_frame->pkt->data;
uint len = precv_frame->pkt->len;
struct wlan_bssid_ex *pbss;
int ret = _SUCCESS;
struct wlan_bssid_ex *pnetwork = &pmlmeinfo->network;
if (pmlmeext->sitesurvey_res.state == SCAN_PROCESS) {
report_survey_event(padapter, precv_frame);
return _SUCCESS;
}
if (!memcmp(GetAddr3Ptr(pframe), pnetwork->MacAddress, ETH_ALEN)) {
if (pmlmeinfo->state & WIFI_FW_AUTH_NULL) {
/* we should update current network before auth, or some IE is wrong */
pbss = (struct wlan_bssid_ex *)rtw_malloc(sizeof(struct wlan_bssid_ex));
if (pbss) {
if (collect_bss_info(padapter, precv_frame, pbss) == _SUCCESS) {
update_network(&pmlmepriv->cur_network.network, pbss, padapter, true);
rtw_get_bcn_info(&pmlmepriv->cur_network);
}
kfree(pbss);
}
/* check the vendor of the assoc AP */
pmlmeinfo->assoc_AP_vendor = check_assoc_AP(pframe+sizeof(struct ieee80211_hdr_3addr), len-sizeof(struct ieee80211_hdr_3addr));
/* update TSF Value */
update_TSF(pmlmeext, pframe, len);
/* start auth */
start_clnt_auth(padapter);
return _SUCCESS;
}
if (((pmlmeinfo->state & 0x03) == WIFI_FW_STATION_STATE) && (pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS)) {
psta = rtw_get_stainfo(pstapriv, GetAddr2Ptr(pframe));
if (psta != NULL) {
ret = rtw_check_bcn_info(padapter, pframe, len);
if (!ret) {
DBG_88E_LEVEL(_drv_info_, "ap has changed, disconnect now\n ");
receive_disconnect(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)
update_beacon_info(padapter, pframe, len, psta);
}
} else if ((pmlmeinfo->state & 0x03) == WIFI_FW_ADHOC_STATE) {
psta = rtw_get_stainfo(pstapriv, GetAddr2Ptr(pframe));
if (psta != NULL) {
/* 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)
update_beacon_info(padapter, pframe, len, psta);
} else {
/* allocate a new CAM entry for IBSS station */
cam_idx = allocate_fw_sta_entry(padapter);
if (cam_idx == NUM_STA)
goto _END_ONBEACON_;
/* get supported rate */
if (update_sta_support_rate(padapter, (pframe + WLAN_HDR_A3_LEN + _BEACON_IE_OFFSET_), (len - WLAN_HDR_A3_LEN - _BEACON_IE_OFFSET_), cam_idx) == _FAIL) {
pmlmeinfo->FW_sta_info[cam_idx].status = 0;
goto _END_ONBEACON_;
}
/* update TSF Value */
update_TSF(pmlmeext, pframe, len);
/* report sta add event */
report_add_sta_event(padapter, GetAddr2Ptr(pframe), cam_idx);
}
}
}
_END_ONBEACON_:
return _SUCCESS;
}
#ifdef CONFIG_88EU_AP_MODE
static unsigned int OnAuth(struct adapter *padapter,
struct recv_frame *precv_frame)
{
unsigned int auth_mode, ie_len;
u16 seq;
unsigned char *sa, *p;
u16 algorithm;
int status;
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;
u8 *pframe = precv_frame->pkt->data;
uint len = precv_frame->pkt->len;
if ((pmlmeinfo->state & 0x03) != WIFI_FW_AP_STATE)
return _FAIL;
DBG_88E("+%s\n", __func__);
sa = GetAddr2Ptr(pframe);
auth_mode = psecuritypriv->dot11AuthAlgrthm;
seq = le16_to_cpu(*(__le16 *)((size_t)pframe + WLAN_HDR_A3_LEN + 2));
algorithm = le16_to_cpu(*(__le16 *)((size_t)pframe + WLAN_HDR_A3_LEN));
DBG_88E("auth alg=%x, seq=%X\n", algorithm, seq);
if (auth_mode == 2 && psecuritypriv->dot11PrivacyAlgrthm != _WEP40_ &&
psecuritypriv->dot11PrivacyAlgrthm != _WEP104_)
auth_mode = 0;
if ((algorithm > 0 && auth_mode == 0) || /* rx a shared-key auth but shared not enabled */
(algorithm == 0 && auth_mode == 1)) { /* rx a open-system auth but shared-key is enabled */
DBG_88E("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 = _STATS_NO_SUPP_ALG_;
goto auth_fail;
}
if (!rtw_access_ctrl(padapter, sa)) {
status = _STATS_UNABLE_HANDLE_STA_;
goto auth_fail;
}
pstat = rtw_get_stainfo(pstapriv, sa);
if (!pstat) {
/* allocate a new one */
DBG_88E("going to alloc stainfo for sa=%pM\n", sa);
pstat = rtw_alloc_stainfo(pstapriv, sa);
if (!pstat) {
DBG_88E(" Exceed the upper limit of supported clients...\n");
status = _STATS_UNABLE_HANDLE_STA_;
goto auth_fail;
}
pstat->state = WIFI_FW_AUTH_NULL;
pstat->auth_seq = 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--;
}
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_88E("(1)auth rejected because out of seq [rx_seq=%d, exp_seq=%d]!\n",
seq, pstat->auth_seq+1);
status = _STATS_OUT_OF_AUTH_SEQ_;
goto auth_fail;
}
if (algorithm == 0 && (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_88E("(2)auth rejected because out of seq [rx_seq=%d, exp_seq=%d]!\n",
seq, pstat->auth_seq+1);
status = _STATS_OUT_OF_AUTH_SEQ_;
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_88E("checking for challenging txt...\n");
p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + 4 + _AUTH_IE_OFFSET_, _CHLGETXT_IE_, &ie_len,
len - WLAN_HDR_A3_LEN - _AUTH_IE_OFFSET_ - 4);
if ((p == NULL) || (ie_len <= 0)) {
DBG_88E("auth rejected because challenge failure!(1)\n");
status = _STATS_CHALLENGE_FAIL_;
goto auth_fail;
}
if (!memcmp((void *)(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_88E("auth rejected because challenge failure!\n");
status = _STATS_CHALLENGE_FAIL_;
goto auth_fail;
}
} else {
DBG_88E("(3)auth rejected because out of seq [rx_seq=%d, exp_seq=%d]!\n",
seq, pstat->auth_seq+1);
status = _STATS_OUT_OF_AUTH_SEQ_;
goto auth_fail;
}
}