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gem5 / arm / linux / a524c1eea084def85e1122b64beda9bb3aca0e49 / . / drivers / staging / rtl8188eu / core / rtw_mlme_ext.c
blob: 611c9409bb980f65b69d038b5b70b64780b4dd09 [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 <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] = {0, 0, 0, 0, 0, 0};
/**************************************************
OUI definitions for the vendor specific IE
***************************************************/
unsigned char RTW_WPA_OUI[] = {0x00, 0x50, 0xf2, 0x01};
unsigned char WMM_OUI[] = {0x00, 0x50, 0xf2, 0x02};
unsigned char WPS_OUI[] = {0x00, 0x50, 0xf2, 0x04};
unsigned char P2P_OUI[] = {0x50, 0x6F, 0x9A, 0x09};
unsigned char WFD_OUI[] = {0x50, 0x6F, 0x9A, 0x0A};
unsigned char WMM_INFO_OUI[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01};
unsigned char WMM_PARA_OUI[] = {0x00, 0x50, 0xf2, 0x02, 0x01, 0x01};
unsigned char WPA_TKIP_CIPHER[4] = {0x00, 0x50, 0xf2, 0x02};
unsigned char RSN_TKIP_CIPHER[4] = {0x00, 0x0f, 0xac, 0x02};
extern unsigned char REALTEK_96B_IE[];
/********************************************************
MCS rate definitions
*********************************************************/
unsigned char MCS_rate_1R[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] = {
{{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 == NULL) {
DBG_88E("%s, alloc xmitframe fail\n", __func__);
return NULL;
}
pxmitbuf = rtw_alloc_xmitbuf_ext(pxmitpriv);
if (pxmitbuf == NULL) {
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 == NULL) {
DBG_88E("%s, alloc mgnt frame fail\n", __func__);
return;
}
#if defined(CONFIG_88EU_AP_MODE)
spin_lock_bh(&pmlmepriv->bcn_update_lock);
#endif /* if defined (CONFIG_88EU_AP_MODE) */
/* 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->IELength);
len_diff = update_hidden_ssid(
pframe+_BEACON_IE_OFFSET_
, cur_network->IELength-_BEACON_IE_OFFSET_
, pmlmeinfo->hidden_ssid_mode
);
pframe += (cur_network->IELength+len_diff);
pattrib->pktlen += (cur_network->IELength+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.SsidLength, 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 defined (CONFIG_88EU_AP_MODE) */
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 /* if defined (CONFIG_88EU_AP_MODE) */
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 == NULL) {
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->IELength > 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->IELength-_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->IELength - 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->IELength);
pframe += cur_network->IELength;
pattrib->pktlen += cur_network->IELength;
}
} 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.SsidLength, 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_, ("+issue_probereq\n"));
pmgntframe = alloc_mgtxmitframe(pxmitpriv);
if (pmgntframe == NULL)
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->SsidLength, 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 ? 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_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 == 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;
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->IELength - _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->IELength - _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->IELength - _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 == NULL)
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.SsidLength, 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.IELength - sizeof(struct ndis_802_11_fixed_ie)));
if (p != NULL)
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.IELength - 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.IELength; 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, int 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 == 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;
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 ? 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_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, int 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 == NULL)
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 ? 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_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, u8 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 ? 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_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 == 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;
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 != NULL) {
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 == 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;
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->IELength - _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 recv_reorder_ctrl *preorder_ctrl; */
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].SsidLength) {
/* 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->IELength = len;
memcpy(bssid->IEs, (pframe + sizeof(struct ieee80211_hdr_3addr)), bssid->IELength);
/* 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->IELength - ie_offset);
if (p == NULL) {
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.SsidLength = len;
} else {
bssid->Ssid.SsidLength = 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->IELength - 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->IELength - ie_offset);
if (p != NULL) {
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->IELength < 12)
return _FAIL;
/* Checking for DSConfig */
p = rtw_get_ie(bssid->IEs + ie_offset, _DSSET_IE_, &len, bssid->IELength - 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->IELength - 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->IELength - 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("start_create_ibss, invalid cap:%x\n", 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->IELength - _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++) {
if (fcn <= 14)
channel = fcn + j; /* 2.4 GHz */
else
channel = fcn + j*4; /* 5 GHz */
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++;
}
/* keep original STA 5G channel plan */
while ((i < MAX_CHANNEL_NUM) && (chplan_sta[i].ChannelNum != 0)) {
chplan_new[k].ChannelNum = chplan_sta[i].ChannelNum;
chplan_new[k].ScanType = chplan_sta[i].ScanType;
i++;
k++;
}
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 != NULL) {
if ((ielen != 0 && memcmp((void *)(p+2), (void *)cur->Ssid.Ssid, cur->Ssid.SsidLength)) ||
(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("+OnAuth\n");
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 == NULL) {
/* allocate a new one */
DBG_88E("going to alloc stainfo for sa=%pM\n", sa);
pstat = rtw_alloc_stainfo(pstapriv, sa);
if (pstat == NULL) {
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;
}
}
/* Now, we are going to issue_auth... */
pstat->auth_seq = seq + 1;
issue_auth(padapter, pstat, (unsigned short)(_STATS_SUCCESSFUL_));
if (pstat->state & WIFI_FW_AUTH_SUCCESS)
pstat->auth_seq = 0;
return _SUCCESS;
auth_fail:
if (pstat)
rtw_free_stainfo(padapter, pstat);
pstat = &stat;
memset((char *)pstat, '\0', sizeof(stat));
pstat->auth_seq = 2;
memcpy(pstat->hwaddr, sa, 6);
issue_auth(padapter, pstat, (unsigned short)status);
return _FAIL;
}
#endif /* CONFIG_88EU_AP_MODE */
static unsigned int OnAuthClient(struct adapter *padapter,
struct recv_frame *precv_frame)
{
unsigned int seq, len, status, offset;
unsigned char *p;
unsigned int go2asoc = 0;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
u8 *pframe = precv_frame->pkt->data;
uint pkt_len = precv_frame->pkt->len;
DBG_88E("%s\n", __func__);
/* check A1 matches or not */
if (memcmp(myid(&(padapter->eeprompriv)), get_da(pframe), ETH_ALEN))
return _SUCCESS;
if (!(pmlmeinfo->state & WIFI_FW_AUTH_STATE))
return _SUCCESS;
offset = (GetPrivacy(pframe)) ? 4 : 0;
seq = le16_to_cpu(*(__le16 *)((size_t)pframe + WLAN_HDR_A3_LEN + offset + 2));
status = le16_to_cpu(*(__le16 *)((size_t)pframe + WLAN_HDR_A3_LEN + offset + 4));
if (status != 0) {
DBG_88E("clnt auth fail, status: %d\n", status);
if (status == 13) { /* pmlmeinfo->auth_algo == dot11AuthAlgrthm_Auto) */
if (pmlmeinfo->auth_algo == dot11AuthAlgrthm_Shared)
pmlmeinfo->auth_algo = dot11AuthAlgrthm_Open;
else
pmlmeinfo->auth_algo = dot11AuthAlgrthm_Shared;
}
set_link_timer(pmlmeext, 1);
goto authclnt_fail;
}
if (seq == 2) {
if (pmlmeinfo->auth_algo == dot11AuthAlgrthm_Shared) {
/* legendary shared system */
p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + _AUTH_IE_OFFSET_, _CHLGETXT_IE_, &len,
pkt_len - WLAN_HDR_A3_LEN - _AUTH_IE_OFFSET_);
if (p == NULL)
goto authclnt_fail;
memcpy((void *)(pmlmeinfo->chg_txt), (void *)(p + 2), len);
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 */
goto authclnt_fail;
}
if (go2asoc) {
DBG_88E_LEVEL(_drv_info_, "auth success, start assoc\n");
start_clnt_assoc(padapter);
return _SUCCESS;
}
authclnt_fail:
return _FAIL;
}
static unsigned int OnAssocReq(struct adapter *padapter,
struct recv_frame *precv_frame)
{
#ifdef CONFIG_88EU_AP_MODE
u16 capab_info;
struct rtw_ieee802_11_elems elems;
struct sta_info *pstat;
unsigned char reassoc, *p, *pos, *wpa_ie;
unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01};
int i, wpa_ie_len, left;
unsigned char supportRate[16];
int supportRateNum;
unsigned short status = _STATS_SUCCESSFUL_;
unsigned short frame_type, ie_offset = 0;
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;
u8 *pframe = precv_frame->pkt->data;
uint ie_len, pkt_len = precv_frame->pkt->len;
if ((pmlmeinfo->state&0x03) != WIFI_FW_AP_STATE)
return _FAIL;
frame_type = GetFrameSubType(pframe);
if (frame_type == WIFI_ASSOCREQ) {
reassoc = 0;
ie_offset = _ASOCREQ_IE_OFFSET_;
} else { /* WIFI_REASSOCREQ */
reassoc = 1;
ie_offset = _REASOCREQ_IE_OFFSET_;
}
if (pkt_len < IEEE80211_3ADDR_LEN + ie_offset) {
DBG_88E("handle_assoc(reassoc=%d) - too short payload (len=%lu)"
"\n", reassoc, (unsigned long)pkt_len);
return _FAIL;
}
pstat = rtw_get_stainfo(pstapriv, GetAddr2Ptr(pframe));
if (pstat == NULL) {
status = _RSON_CLS2_;
goto asoc_class2_error;
}
capab_info = get_unaligned_le16(pframe + WLAN_HDR_A3_LEN);
left = pkt_len - (IEEE80211_3ADDR_LEN + ie_offset);
pos = pframe + (IEEE80211_3ADDR_LEN + ie_offset);
DBG_88E("%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 = _RSON_CLS2_;
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_ieee802_11_parse_elems(pos, left, &elems, 1) == ParseFailed ||
!elems.ssid) {
DBG_88E("STA %pM sent invalid association request\n",
pstat->hwaddr);
status = _STATS_FAILURE_;
goto OnAssocReqFail;
}
/* now we should check all the fields... */
/* checking SSID */
p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + ie_offset, _SSID_IE_, &ie_len,
pkt_len - WLAN_HDR_A3_LEN - ie_offset);
if (p == NULL)
status = _STATS_FAILURE_;
if (ie_len == 0) { /* broadcast ssid, however it is not allowed in assocreq */
status = _STATS_FAILURE_;
} else {
/* check if ssid match */
if (memcmp((void *)(p+2), cur->Ssid.Ssid, cur->Ssid.SsidLength))
status = _STATS_FAILURE_;
if (ie_len != cur->Ssid.SsidLength)
status = _STATS_FAILURE_;
}
if (_STATS_SUCCESSFUL_ != status)
goto OnAssocReqFail;
/* check if the supported rate is ok */
p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + ie_offset, _SUPPORTEDRATES_IE_, &ie_len, pkt_len - WLAN_HDR_A3_LEN - ie_offset);
if (p == NULL) {
DBG_88E("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 = _STATS_FAILURE_;
goto OnAssocReqFail;
} else {
memcpy(supportRate, p+2, ie_len);
supportRateNum = ie_len;
p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + ie_offset, _EXT_SUPPORTEDRATES_IE_, &ie_len,
pkt_len - WLAN_HDR_A3_LEN - ie_offset);
if (p != NULL) {
if (supportRateNum <= sizeof(supportRate)) {
memcpy(supportRate+supportRateNum, p+2, ie_len);
supportRateNum += ie_len;
}
}
}
/* 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);
UpdateBrateTblForSoftAP(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));
if ((psecuritypriv->wpa_psk & BIT(1)) && elems.rsn_ie) {
int group_cipher = 0, pairwise_cipher = 0;
wpa_ie = elems.rsn_ie;
wpa_ie_len = elems.rsn_ie_len;
if (rtw_parse_wpa2_ie(wpa_ie-2, wpa_ie_len+2, &group_cipher, &pairwise_cipher, NULL) == _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;
if (!pstat->wpa2_group_cipher)
status = WLAN_STATUS_INVALID_GROUP_CIPHER;
if (!pstat->wpa2_pairwise_cipher)
status = WLAN_STATUS_INVALID_PAIRWISE_CIPHER;
} else {
status = WLAN_STATUS_INVALID_IE;
}
} else if ((psecuritypriv->wpa_psk & BIT(0)) && elems.wpa_ie) {
int group_cipher = 0, pairwise_cipher = 0;
wpa_ie = elems.wpa_ie;
wpa_ie_len = elems.wpa_ie_len;
if (rtw_parse_wpa_ie(wpa_ie-2, wpa_ie_len+2, &group_cipher, &pairwise_cipher, NULL) == _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;
if (!pstat->wpa_group_cipher)
status = WLAN_STATUS_INVALID_GROUP_CIPHER;
if (!pstat->wpa_pairwise_cipher)
status = WLAN_STATUS_INVALID_PAIRWISE_CIPHER;
} else {
status = WLAN_STATUS_INVALID_IE;
}
} else {
wpa_ie = NULL;
wpa_ie_len = 0;
}
if (_STATS_SUCCESSFUL_ != status)
goto OnAssocReqFail;
pstat->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS);
if (wpa_ie == NULL) {
if (elems.wps_ie) {
DBG_88E("STA included WPS IE in "
"(Re)Association Request - assume WPS is "
"used\n");
pstat->flags |= WLAN_STA_WPS;
/* wpabuf_free(sta->wps_ie); */
/* sta->wps_ie = wpabuf_alloc_copy(elems.wps_ie + 4, */
/* elems.wps_ie_len - 4); */
} else {
DBG_88E("STA did not include WPA/RSN IE "
"in (Re)Association Request - possible WPS "
"use\n");
pstat->flags |= WLAN_STA_MAYBE_WPS;
}
/* AP support WPA/RSN, and sta is going to do WPS, but AP is not ready */
/* that the selected registrar of AP is _FLASE */
if ((psecuritypriv->wpa_psk > 0) && (pstat->flags & (WLAN_STA_WPS|WLAN_STA_MAYBE_WPS))) {
if (pmlmepriv->wps_beacon_ie) {
u8 selected_registrar = 0;
rtw_get_wps_attr_content(pmlmepriv->wps_beacon_ie, pmlmepriv->wps_beacon_ie_len, WPS_ATTR_SELECTED_REGISTRAR, &selected_registrar, NULL);
if (!selected_registrar) {
DBG_88E("selected_registrar is false , or AP is not ready to do WPS\n");
status = _STATS_UNABLE_HANDLE_STA_;
goto OnAssocReqFail;
}
}
}
} else {
int copy_len;
if (psecuritypriv->wpa_psk == 0) {
DBG_88E("STA %pM: WPA/RSN IE in association "
"request, but AP don't support WPA/RSN\n", pstat->hwaddr);
status = WLAN_STATUS_INVALID_IE;
goto OnAssocReqFail;
}
if (elems.wps_ie) {
DBG_88E("STA included WPS IE in "
"(Re)Association Request - WPS is "
"used\n");
pstat->flags |= WLAN_STA_WPS;
copy_len = 0;
} else {
copy_len = min_t(int, wpa_ie_len + 2, sizeof(pstat->wpa_ie));
}
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->qospriv.qos_option) {
p = pframe + WLAN_HDR_A3_LEN + ie_offset; ie_len = 0;
for (;;) {
p = rtw_get_ie(p, _VENDOR_SPECIFIC_IE_, &ie_len, pkt_len - WLAN_HDR_A3_LEN - ie_offset);
if (p != NULL) {
if (!memcmp(p+2, WMM_IE, 6)) {
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 + ie_len + 2;
}
}
/* save HT capabilities in the sta object */
memset(&pstat->htpriv.ht_cap, 0, sizeof(struct ieee80211_ht_cap));
if (elems.ht_capabilities &&
elems.ht_capabilities_len >= sizeof(struct ieee80211_ht_cap)) {
pstat->flags |= WLAN_STA_HT;
pstat->flags |= WLAN_STA_WME;
memcpy(&pstat->htpriv.ht_cap,
elems.ht_capabilities, sizeof(struct ieee80211_ht_cap));
} else {
pstat->flags &= ~WLAN_STA_HT;
}
if ((!pmlmepriv->htpriv.ht_option) && (pstat->flags&WLAN_STA_HT)) {
status = _STATS_FAILURE_;
goto OnAssocReqFail;
}
if ((pstat->flags & WLAN_STA_HT) &&
((pstat->wpa2_pairwise_cipher&WPA_CIPHER_TKIP) ||
(pstat->wpa_pairwise_cipher&WPA_CIPHER_TKIP))) {
DBG_88E("HT: %pM tried to "
"use TKIP with HT association\n", pstat->hwaddr);
/* status = WLAN_STATUS_CIPHER_REJECTED_PER_POLICY; */
/* goto OnAssocReqFail; */
}
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 != _STATS_SUCCESSFUL_)
goto OnAssocReqFail;
/* 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_88E(" 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) { */
if (pstat->aid > pstapriv->max_num_sta) {
pstat->aid = 0;
DBG_88E(" no room for more AIDs\n");
status = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
goto OnAssocReqFail;
} else {
pstapriv->sta_aid[pstat->aid - 1] = pstat;
DBG_88E("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) && (_STATS_SUCCESSFUL_ == status)) {
/* 1 bss_cap_update & sta_info_update */
bss_cap_update_on_sta_join(padapter, pstat);
sta_info_update(padapter, pstat);
/* issue assoc rsp before notify station join event. */
if (frame_type == WIFI_ASSOCREQ)
issue_asocrsp(padapter, status, pstat, WIFI_ASSOCRSP);
else
issue_asocrsp(padapter, status, pstat, WIFI_REASSOCRSP);
/* 2 - report to upper layer */
DBG_88E("indicate_sta_join_event to upper layer - hostapd\n");
rtw_indicate_sta_assoc_event(padapter, pstat);
/* 3-(1) report sta add event */
report_add_sta_event(padapter, pstat->hwaddr, pstat->aid);
}
return _SUCCESS;
asoc_class2_error:
issue_deauth(padapter, (void *)GetAddr2Ptr(pframe), status);
return _FAIL;
OnAssocReqFail:
pstat->aid = 0;
if (frame_type == WIFI_ASSOCREQ)
issue_asocrsp(padapter, status, pstat, WIFI_ASSOCRSP);
else
issue_asocrsp(padapter, status, pstat, WIFI_REASSOCRSP);
#endif /* CONFIG_88EU_AP_MODE */
return _FAIL;
}
static unsigned int OnAssocRsp(struct adapter *padapter,
struct recv_frame *precv_frame)
{
uint i;
int res;
unsigned short status;
struct ndis_802_11_var_ie *pIE;
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 *pframe = precv_frame->pkt->data;
uint pkt_len = precv_frame->pkt->len;
DBG_88E("%s\n", __func__);
/* check A1 matches or not */
if (memcmp(myid(&(padapter->eeprompriv)), get_da(pframe), ETH_ALEN))
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(*(__le16 *)(pframe + WLAN_HDR_A3_LEN + 2));
if (status > 0) {
DBG_88E("assoc reject, status code: %d\n", status);
pmlmeinfo->state = WIFI_FW_NULL_STATE;
res = -4;
goto report_assoc_result;
}
/* get capabilities */
pmlmeinfo->capability = le16_to_cpu(*(__le16 *)(pframe + WLAN_HDR_A3_LEN));
/* set slot time */
pmlmeinfo->slotTime = (pmlmeinfo->capability & BIT(10)) ? 9 : 20;
/* AID */
pmlmeinfo->aid = (int)(le16_to_cpu(*(__le16 *)(pframe + WLAN_HDR_A3_LEN + 4))&0x3fff);
res = pmlmeinfo->aid;
/* following are moved to join event callback function */
/* to handle HT, WMM, rate adaptive, update MAC reg */
/* for not to handle the synchronous IO in the tasklet */
for (i = (6 + WLAN_HDR_A3_LEN); i < pkt_len;) {
pIE = (struct ndis_802_11_var_ie *)(pframe + i);
switch (pIE->ElementID) {
case _VENDOR_SPECIFIC_IE_:
if (!memcmp(pIE->data, WMM_PARA_OUI, 6)) /* WMM */
WMM_param_handler(padapter, pIE);
break;
case _HT_CAPABILITY_IE_: /* HT caps */
HT_caps_handler(padapter, pIE);
break;
case _HT_EXTRA_INFO_IE_: /* HT info */
HT_info_handler(padapter, pIE);
break;
case _ERPINFO_IE_:
ERP_IE_handler(padapter, pIE);
default:
break;
}
i += (pIE->Length + 2);
}
pmlmeinfo->state &= (~WIFI_FW_ASSOC_STATE);
pmlmeinfo->state |= WIFI_FW_ASSOC_SUCCESS;
UpdateBrateTbl(padapter, pmlmeinfo->network.SupportedRates);
report_assoc_result:
if (res > 0)
rtw_buf_update(&pmlmepriv->assoc_rsp, &pmlmepriv->assoc_rsp_len, pframe, pkt_len);
else
rtw_buf_free(&pmlmepriv->assoc_rsp, &pmlmepriv->assoc_rsp_len);
report_join_res(padapter, res);
return _SUCCESS;
}
static unsigned int OnDeAuth(struct 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);
u8 *pframe = precv_frame->pkt->data;
struct wlan_bssid_ex *pnetwork = &(pmlmeinfo->network);
/* check A3 */
if (memcmp(GetAddr3Ptr(pframe), pnetwork->MacAddress, ETH_ALEN))
return _SUCCESS;
reason = le16_to_cpu(*(__le16 *)(pframe + WLAN_HDR_A3_LEN));
DBG_88E("%s Reason code(%d)\n", __func__, reason);
#ifdef CONFIG_88EU_AP_MODE
if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
struct sta_info *psta;
struct sta_priv *pstapriv = &padapter->stapriv;
DBG_88E_LEVEL(_drv_always_, "ap recv deauth reason code(%d) sta:%pM\n",
reason, GetAddr2Ptr(pframe));
psta = rtw_get_stainfo(pstapriv, GetAddr2Ptr(pframe));
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_sta(padapter, psta, false, reason);
}
spin_unlock_bh(&pstapriv->asoc_list_lock);
associated_clients_update(padapter, updated);
}
return _SUCCESS;
} else
#endif
{
DBG_88E_LEVEL(_drv_always_, "sta recv deauth reason code(%d) sta:%pM\n",
reason, GetAddr3Ptr(pframe));
receive_disconnect(padapter, GetAddr3Ptr(pframe), reason);
}
pmlmepriv->LinkDetectInfo.bBusyTraffic = false;
return _SUCCESS;
}
static unsigned int OnDisassoc(struct adapter *padapter,
struct recv_frame *precv_frame)
{
u16 reason;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
u8 *pframe = precv_frame->pkt->data;
struct wlan_bssid_ex *pnetwork = &(pmlmeinfo->network);
/* check A3 */
if (memcmp(GetAddr3Ptr(pframe), pnetwork->MacAddress, ETH_ALEN))
return _SUCCESS;
reason = le16_to_cpu(*(__le16 *)(pframe + WLAN_HDR_A3_LEN));
DBG_88E("%s Reason code(%d)\n", __func__, reason);
#ifdef CONFIG_88EU_AP_MODE
if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
struct sta_info *psta;
struct sta_priv *pstapriv = &padapter->stapriv;
DBG_88E_LEVEL(_drv_always_, "ap recv disassoc reason code(%d) sta:%pM\n",
reason, GetAddr2Ptr(pframe));
psta = rtw_get_stainfo(pstapriv, GetAddr2Ptr(pframe));
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_sta(padapter, psta, false, reason);
}
spin_unlock_bh(&pstapriv->asoc_list_lock);
associated_clients_update(padapter, updated);
}
return _SUCCESS;
} else
#endif
{
DBG_88E_LEVEL(_drv_always_, "ap recv disassoc reason code(%d) sta:%pM\n",
reason, GetAddr3Ptr(pframe));
receive_disconnect(padapter, GetAddr3Ptr(pframe), reason);
}
pmlmepriv->LinkDetectInfo.bBusyTraffic = false;
return _SUCCESS;
}
static unsigned int OnAtim(struct adapter *padapter,
struct recv_frame *precv_frame)
{
DBG_88E("%s\n", __func__);
return _SUCCESS;
}
static unsigned int on_action_spct(struct adapter *padapter,
struct recv_frame *precv_frame)
{
struct sta_info *psta = NULL;
struct sta_priv *pstapriv = &padapter->stapriv;
u8 *pframe = precv_frame->pkt->data;
u8 *frame_body = pframe + sizeof(struct ieee80211_hdr_3addr);
u8 category;
u8 action;
DBG_88E(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(padapter->pnetdev));
psta = rtw_get_stainfo(pstapriv, GetAddr2Ptr(pframe));
if (!psta)
goto exit;
category = frame_body[0];
if (category != RTW_WLAN_CATEGORY_SPECTRUM_MGMT)
goto exit;
action = frame_body[1];
switch (action) {
case RTW_WLAN_ACTION_SPCT_MSR_REQ:
case RTW_WLAN_ACTION_SPCT_MSR_RPRT:
case RTW_WLAN_ACTION_SPCT_TPC_REQ:
case RTW_WLAN_ACTION_SPCT_TPC_RPRT:
break;
case RTW_WLAN_ACTION_SPCT_CHL_SWITCH:
break;
default:
break;
}
exit:
return _FAIL;
}
static unsigned int OnAction_qos(struct adapter *padapter,
struct recv_frame *precv_frame)
{
return _SUCCESS;
}
static unsigned int OnAction_dls(struct adapter *padapter,
struct recv_frame *precv_frame)
{
return _SUCCESS;
}
static unsigned int OnAction_back(struct adapter *padapter,
struct recv_frame *precv_frame)
{
u8 *addr;
struct sta_info *psta = NULL;
struct recv_reorder_ctrl *preorder_ctrl;
unsigned char *frame_body;
unsigned char category, action;
unsigned short tid, status, reason_code = 0;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
u8 *pframe = precv_frame->pkt->data;
struct sta_priv *pstapriv = &padapter->stapriv;
/* check RA matches or not */
if (memcmp(myid(&(padapter->eeprompriv)), GetAddr1Ptr(pframe),
ETH_ALEN))/* for if1, sta/ap mode */
return _SUCCESS;
DBG_88E("%s\n", __func__);
if ((pmlmeinfo->state&0x03) != WIFI_FW_AP_STATE)
if (!(pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS))
return _SUCCESS;
addr = GetAddr2Ptr(pframe);
psta = rtw_get_stainfo(pstapriv, addr);
if (psta == NULL)
return _SUCCESS;
frame_body = (unsigned char *)(pframe + sizeof(struct ieee80211_hdr_3addr));
category = frame_body[0];
if (category == RTW_WLAN_CATEGORY_BACK) { /* representing Block Ack */
if (!pmlmeinfo->HT_enable)
return _SUCCESS;
action = frame_body[1];
DBG_88E("%s, action=%d\n", __func__, action);
switch (action) {
case RTW_WLAN_ACTION_ADDBA_REQ: /* ADDBA request */
memcpy(&(pmlmeinfo->ADDBA_req), &(frame_body[2]), sizeof(struct ADDBA_request));
process_addba_req(padapter, (u8 *)&(pmlmeinfo->ADDBA_req), addr);
/* 37 = reject ADDBA Req */
issue_action_BA(padapter, addr,
RTW_WLAN_ACTION_ADDBA_RESP,
pmlmeinfo->accept_addba_req ? 0 : 37);
break;
case RTW_WLAN_ACTION_ADDBA_RESP: /* ADDBA response */
status = get_unaligned_le16(&frame_body[3]);
tid = (frame_body[5] >> 2) & 0x7;
if (status == 0) { /* successful */
DBG_88E("agg_enable for TID=%d\n", tid);
psta->htpriv.agg_enable_bitmap |= 1 << tid;
psta->htpriv.candidate_tid_bitmap &= ~BIT(tid);
} else {
psta->htpriv.agg_enable_bitmap &= ~BIT(tid);
}
break;
case RTW_WLAN_ACTION_DELBA: /* DELBA */
if ((frame_body[3] & BIT(3)) == 0) {
psta->htpriv.agg_enable_bitmap &= ~(1 << ((frame_body[3] >> 4) & 0xf));
psta->htpriv.candidate_tid_bitmap &= ~(1 << ((frame_body[3] >> 4) & 0xf));
reason_code = get_unaligned_le16(&frame_body[4]);
} else if ((frame_body[3] & BIT(3)) == BIT(3)) {
tid = (frame_body[3] >> 4) & 0x0F;
preorder_ctrl = &psta->recvreorder_ctrl[tid];
preorder_ctrl->enable = false;
preorder_ctrl->indicate_seq = 0xffff;
}
DBG_88E("%s(): DELBA: %x(%x)\n", __func__, pmlmeinfo->agg_enable_bitmap, reason_code);
/* todo: how to notify the host while receiving DELETE BA */
break;
default:
break;
}
}
return _SUCCESS;
}
static s32 rtw_action_public_decache(struct recv_frame *recv_frame, s32 token)
{
struct adapter *adapter = recv_frame->adapter;
struct mlme_ext_priv *mlmeext = &(adapter->mlmeextpriv);
u8 *frame = recv_frame->pkt->data;
u16 seq_ctrl = ((recv_frame->attrib.seq_num&0xffff) << 4) |
(recv_frame->attrib.frag_num & 0xf);
if (GetRetry(frame)) {
if (token >= 0) {
if ((seq_ctrl == mlmeext->action_public_rxseq) && (token == mlmeext->action_public_dialog_token)) {
DBG_88E(FUNC_ADPT_FMT" seq_ctrl = 0x%x, rxseq = 0x%x, token:%d\n",
FUNC_ADPT_ARG(adapter), seq_ctrl, mlmeext->action_public_rxseq, token);
return _FAIL;
}
} else {
if (seq_ctrl == mlmeext->action_public_rxseq) {
DBG_88E(FUNC_ADPT_FMT" seq_ctrl = 0x%x, rxseq = 0x%x\n",
FUNC_ADPT_ARG(adapter), seq_ctrl, mlmeext->action_public_rxseq);
return _FAIL;
}
}
}
mlmeext->action_public_rxseq = seq_ctrl;
if (token >= 0)
mlmeext->action_public_dialog_token = token;
return _SUCCESS;
}
static unsigned int on_action_public_p2p(struct recv_frame *precv_frame)
{
u8 *pframe = precv_frame->pkt->data;
u8 *frame_body;
u8 dialogToken = 0;
frame_body = (unsigned char *)(pframe + sizeof(struct ieee80211_hdr_3addr));
dialogToken = frame_body[7];
if (rtw_action_public_decache(precv_frame, dialogToken) == _FAIL)
return _FAIL;
return _SUCCESS;
}
static unsigned int on_action_public_vendor(struct recv_frame *precv_frame)
{
unsigned int ret = _FAIL;
u8 *pframe = precv_frame->pkt->data;
u8 *frame_body = pframe + sizeof(struct ieee80211_hdr_3addr);
if (!memcmp(frame_body + 2, P2P_OUI, 4))
ret = on_action_public_p2p(precv_frame);
return ret;
}
static unsigned int on_action_public_default(struct recv_frame *precv_frame, u8 action)
{
unsigned int ret = _FAIL;
u8 *pframe = precv_frame->pkt->data;
u8 *frame_body = pframe + sizeof(struct ieee80211_hdr_3addr);
u8 token;
token = frame_body[2];
if (rtw_action_public_decache(precv_frame, token) == _FAIL)
goto exit;
ret = _SUCCESS;
exit:
return ret;
}
static unsigned int on_action_public(struct adapter *padapter,
struct recv_frame *precv_frame)
{
unsigned int ret = _FAIL;
u8 *pframe = precv_frame->pkt->data;
u8 *frame_body = pframe + sizeof(struct ieee80211_hdr_3addr);
u8 category, action;
/* check RA matches or not */
if (memcmp(myid(&(padapter->eeprompriv)), GetAddr1Ptr(pframe), ETH_ALEN))
goto exit;
category = frame_body[0];
if (category != RTW_WLAN_CATEGORY_PUBLIC)
goto exit;
action = frame_body[1];
switch (action) {
case ACT_PUBLIC_VENDOR:
ret = on_action_public_vendor(precv_frame);
break;
default:
ret = on_action_public_default(precv_frame, action);
break;
}
exit:
return ret;
}
static unsigned int OnAction_ht(struct adapter *padapter,
struct recv_frame *precv_frame)
{
return _SUCCESS;
}
static unsigned int OnAction_wmm(struct adapter *padapter,
struct recv_frame *precv_frame)
{
return _SUCCESS;
}
static unsigned int OnAction_p2p(struct adapter *padapter,
struct recv_frame *precv_frame)
{
return _SUCCESS;
}
static unsigned int DoReserved(struct adapter *padapter,
struct recv_frame *precv_frame)
{
return _SUCCESS;
}
static struct action_handler OnAction_tbl[] = {
{RTW_WLAN_CATEGORY_SPECTRUM_MGMT, "ACTION_SPECTRUM_MGMT", on_action_spct},
{RTW_WLAN_CATEGORY_QOS, "ACTION_QOS", &OnAction_qos},
{RTW_WLAN_CATEGORY_DLS, "ACTION_DLS", &OnAction_dls},
{RTW_WLAN_CATEGORY_BACK, "ACTION_BACK", &OnAction_back},
{RTW_WLAN_CATEGORY_PUBLIC, "ACTION_PUBLIC", on_action_public},
{RTW_WLAN_CATEGORY_RADIO_MEASUREMENT, "ACTION_RADIO_MEASUREMENT", &DoReserved},
{RTW_WLAN_CATEGORY_FT, "ACTION_FT", &DoReserved},
{RTW_WLAN_CATEGORY_HT, "ACTION_HT", &OnAction_ht},
{RTW_WLAN_CATEGORY_SA_QUERY, "ACTION_SA_QUERY", &DoReserved},
{RTW_WLAN_CATEGORY_WMM, "ACTION_WMM", &OnAction_wmm},
{RTW_WLAN_CATEGORY_P2P, "ACTION_P2P", &OnAction_p2p},
};
static unsigned int OnAction(struct adapter *padapter,
struct recv_frame *precv_frame)
{
int i;
unsigned char category;
struct action_handler *ptable;
unsigned char *frame_body;
u8 *pframe = precv_frame->pkt->data;
frame_body = (unsigned char *)(pframe + sizeof(struct ieee80211_hdr_3addr));
category = frame_body[0];
for (i = 0; i < ARRAY_SIZE(OnAction_tbl); i++) {
ptable = &OnAction_tbl[i];
if (category == ptable->num)
ptable->func(padapter, precv_frame);
}
return _SUCCESS;
}
/****************************************************************************
Following are the initialization functions for WiFi MLME
*****************************************************************************/
static struct mlme_handler mlme_sta_tbl[] = {
{WIFI_ASSOCREQ, "OnAssocReq", &OnAssocReq},
{WIFI_ASSOCRSP, "OnAssocRsp", &OnAssocRsp},
{WIFI_REASSOCREQ, "OnReAssocReq", &OnAssocReq},
{WIFI_REASSOCRSP, "OnReAssocRsp", &OnAssocRsp},
{WIFI_PROBEREQ, "OnProbeReq", &OnProbeReq},
{WIFI_PROBERSP, "OnProbeRsp", &OnProbeRsp},
/*----------------------------------------------------------
below 2 are reserved
-----------------------------------------------------------*/
{0, "DoReserved", &DoReserved},
{0, "DoReserved", &DoReserved},
{WIFI_BEACON, "OnBeacon", &OnBeacon},
{WIFI_ATIM, "OnATIM", &OnAtim},
{WIFI_DISASSOC, "OnDisassoc", &OnDisassoc},
{WIFI_AUTH, "OnAuth", &OnAuthClient},
{WIFI_DEAUTH, "OnDeAuth", &OnDeAuth},
{WIFI_ACTION, "OnAction", &OnAction},
};
int init_hw_mlme_ext(struct adapter *padapter)
{
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode);
return _SUCCESS;
}
static void init_mlme_ext_priv_value(struct 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);
pmlmeext->mgnt_seq = 0;/* reset to zero when disconnect at client mode */
pmlmeext->cur_channel = padapter->registrypriv.channel;
pmlmeext->cur_bwmode = HT_CHANNEL_WIDTH_20;
pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
pmlmeext->oper_channel = pmlmeext->cur_channel;
pmlmeext->oper_bwmode = pmlmeext->cur_bwmode;
pmlmeext->oper_ch_offset = pmlmeext->cur_ch_offset;
pmlmeext->retry = 0;
pmlmeext->cur_wireless_mode = padapter->registrypriv.wireless_mode;
memcpy(pmlmeext->datarate, mixed_datarate, NumRates);
memcpy(pmlmeext->basicrate, mixed_basicrate, NumRates);
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 = WIFI_FW_NULL_STATE;
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 = _NO_PRIVACY_;
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 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 },
{ -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) && (8 == o->inc))
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 adapter *padapter, u8 ChannelPlan, struct rt_channel_info *channel_set)
{
u8 index, chanset_size = 0;
u8 b2_4GBand = false;
u8 Index2G = 0;
memset(channel_set, 0, sizeof(struct rt_channel_info) * MAX_CHANNEL_NUM);
if (ChannelPlan >= RT_CHANNEL_DOMAIN_MAX && ChannelPlan != RT_CHANNEL_DOMAIN_REALTEK_DEFINE) {
DBG_88E("ChannelPlan ID %x error !!!!!\n", ChannelPlan);
return chanset_size;
}
if (padapter->registrypriv.wireless_mode & WIRELESS_11G) {
b2_4GBand = true;
if (RT_CHANNEL_DOMAIN_REALTEK_DEFINE == ChannelPlan)
Index2G = RTW_CHANNEL_PLAN_MAP_REALTEK_DEFINE.Index2G;
else
Index2G = RTW_ChannelPlanMap[ChannelPlan].Index2G;
}
if (b2_4GBand) {
for (index = 0; index < RTW_ChannelPlan2G[Index2G].Len; index++) {
channel_set[chanset_size].ChannelNum = RTW_ChannelPlan2G[Index2G].Channel[index];
if ((RT_CHANNEL_DOMAIN_GLOBAL_DOAMIN == ChannelPlan) ||/* Channel 1~11 is active, and 12~14 is passive */
(RT_CHANNEL_DOMAIN_GLOBAL_DOAMIN_2G == ChannelPlan)) {
if (channel_set[chanset_size].ChannelNum >= 1 && channel_set[chanset_size].ChannelNum <= 11)
channel_set[chanset_size].ScanType = SCAN_ACTIVE;
else if ((channel_set[chanset_size].ChannelNum >= 12 && channel_set[chanset_size].ChannelNum <= 14))
channel_set[chanset_size].ScanType = SCAN_PASSIVE;
} else if (RT_CHANNEL_DOMAIN_WORLD_WIDE_13 == ChannelPlan ||
RT_CHANNEL_DOMAIN_2G_WORLD == Index2G) {/* channel 12~13, passive scan */
if (channel_set[chanset_size].ChannelNum <= 11)
channel_set[chanset_size].ScanType = SCAN_ACTIVE;
else
channel_set[chanset_size].ScanType = SCAN_PASSIVE;
} else {
channel_set[chanset_size].ScanType = SCAN_ACTIVE;
}
chanset_size++;
}
}
return chanset_size;
}
int init_mlme_ext_priv(struct 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_priv_value(padapter);
pmlmeinfo->accept_addba_req = pregistrypriv->accept_addba_req;
init_mlme_ext_timer(padapter);
#ifdef CONFIG_88EU_AP_MODE
init_mlme_ap_info(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_priv(struct mlme_ext_priv *pmlmeext)
{
struct adapter *padapter = pmlmeext->padapter;
if (!padapter)
return;
if (padapter->bDriverStopped) {
del_timer_sync(&pmlmeext->survey_timer);
del_timer_sync(&pmlmeext->link_timer);
}
}
static void _mgt_dispatcher(struct adapter *padapter, struct mlme_handler *ptable, struct recv_frame *precv_frame)
{
u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
u8 *pframe = precv_frame->pkt->data;
if (ptable->func) {
/* receive the frames that ra(a1) is my address or ra(a1) is bc address. */
if (memcmp(GetAddr1Ptr(pframe), myid(&padapter->eeprompriv), ETH_ALEN) &&
memcmp(GetAddr1Ptr(pframe), bc_addr, ETH_ALEN))
return;
ptable->func(padapter, precv_frame);
}
}
void mgt_dispatcher(struct adapter *padapter, struct recv_frame *precv_frame)
{
int index;
struct mlme_handler *ptable;
#ifdef CONFIG_88EU_AP_MODE
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
#endif /* CONFIG_88EU_AP_MODE */
u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
u8 *pframe = precv_frame->pkt->data;
struct sta_info *psta = rtw_get_stainfo(&padapter->stapriv, GetAddr2Ptr(pframe));
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
("+mgt_dispatcher: type(0x%x) subtype(0x%x)\n",
(unsigned int)GetFrameType(pframe),
(unsigned int)GetFrameSubType(pframe)));
if (GetFrameType(pframe) != WIFI_MGT_TYPE) {
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
("mgt_dispatcher: type(0x%x) error!\n",
(unsigned int)GetFrameType(pframe)));
return;
}
/* receive the frames that ra(a1) is my address or ra(a1) is bc address. */
if (memcmp(GetAddr1Ptr(pframe), myid(&padapter->eeprompriv), ETH_ALEN) &&
memcmp(GetAddr1Ptr(pframe), bc_addr, ETH_ALEN))
return;
ptable = mlme_sta_tbl;
index = GetFrameSubType(pframe) >> 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;
if (psta != NULL) {
if (GetRetry(pframe)) {
if (precv_frame->attrib.seq_num ==
psta->RxMgmtFrameSeqNum) {
/* drop the duplicate management frame */
DBG_88E("Drop duplicate management frame with seq_num=%d.\n",
precv_frame->attrib.seq_num);
return;
}
}
psta->RxMgmtFrameSeqNum = precv_frame->attrib.seq_num;
}
#ifdef CONFIG_88EU_AP_MODE
switch (GetFrameSubType(pframe)) {
case WIFI_AUTH:
if (check_fwstate(pmlmepriv, WIFI_AP_STATE))
ptable->func = &OnAuth;
else
ptable->func = &OnAuthClient;
/* fall through */
case WIFI_ASSOCREQ:
case WIFI_REASSOCREQ:
case WIFI_PROBEREQ:
case WIFI_BEACON:
case WIFI_ACTION:
_mgt_dispatcher(padapter, ptable, precv_frame);
break;
default:
_mgt_dispatcher(padapter, ptable, precv_frame);
break;
}
#else
_mgt_dispatcher(padapter, ptable, precv_frame);
#endif
}
/****************************************************************************
Following are the functions to report events
*****************************************************************************/
void report_survey_event(struct adapter *padapter,
struct recv_frame *precv_frame)
{
struct cmd_obj *pcmd_obj;
u8 *pevtcmd;
u32 cmdsz;
struct survey_event *psurvey_evt;
struct C2HEvent_Header *pc2h_evt_hdr;
struct mlme_ext_priv *pmlmeext;
struct cmd_priv *pcmdpriv;
if (!padapter)
return;
pmlmeext = &padapter->mlmeextpriv;
pcmdpriv = &padapter->cmdpriv;
pcmd_obj = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC);
if (!pcmd_obj)
return;
cmdsz = sizeof(struct survey_event) + sizeof(struct C2HEvent_Header);
pevtcmd = kzalloc(cmdsz, GFP_ATOMIC);
if (!pevtcmd) {
kfree(pcmd_obj);
return;
}
INIT_LIST_HEAD(&pcmd_obj->list);
pcmd_obj->cmdcode = _Set_MLME_EVT_CMD_;
pcmd_obj->cmdsz = cmdsz;
pcmd_obj->parmbuf = pevtcmd;
pcmd_obj->rsp = NULL;
pcmd_obj->rspsz = 0;
pc2h_evt_hdr = (struct C2HEvent_Header *)(pevtcmd);
pc2h_evt_hdr->len = sizeof(struct survey_event);
pc2h_evt_hdr->ID = _Survey_EVT_;
pc2h_evt_hdr->seq = atomic_inc_return(&pmlmeext->event_seq);
psurvey_evt = (struct survey_event *)(pevtcmd + sizeof(struct C2HEvent_Header));
if (collect_bss_info(padapter, precv_frame, (struct wlan_bssid_ex *)&psurvey_evt->bss) == _FAIL) {
kfree(pcmd_obj);
kfree(pevtcmd);
return;
}
process_80211d(padapter, &psurvey_evt->bss);
rtw_enqueue_cmd(pcmdpriv, pcmd_obj);
pmlmeext->sitesurvey_res.bss_cnt++;
}
void report_surveydone_event(struct adapter *padapter)
{
struct cmd_obj *pcmd_obj;
u8 *pevtcmd;
u32 cmdsz;
struct surveydone_event *psurveydone_evt;
struct C2HEvent_Header *pc2h_evt_hdr;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
pcmd_obj = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL);
if (!pcmd_obj)
return;
cmdsz = sizeof(struct surveydone_event) + sizeof(struct C2HEvent_Header);
pevtcmd = kzalloc(cmdsz, GFP_KERNEL);
if (!pevtcmd) {
kfree(pcmd_obj);
return;
}
INIT_LIST_HEAD(&pcmd_obj->list);
pcmd_obj->cmdcode = _Set_MLME_EVT_CMD_;
pcmd_obj->cmdsz = cmdsz;
pcmd_obj->parmbuf = pevtcmd;
pcmd_obj->rsp = NULL;
pcmd_obj->rspsz = 0;
pc2h_evt_hdr = (struct C2HEvent_Header *)(pevtcmd);
pc2h_evt_hdr->len = sizeof(struct surveydone_event);
pc2h_evt_hdr->ID = _SurveyDone_EVT_;
pc2h_evt_hdr->seq = atomic_inc_return(&pmlmeext->event_seq);
psurveydone_evt = (struct surveydone_event *)(pevtcmd + sizeof(struct C2HEvent_Header));
psurveydone_evt->bss_cnt = pmlmeext->sitesurvey_res.bss_cnt;
DBG_88E("survey done event(%x)\n", psurveydone_evt->bss_cnt);
rtw_enqueue_cmd(pcmdpriv, pcmd_obj);
}
void report_join_res(struct adapter *padapter, int res)
{
struct cmd_obj *pcmd_obj;
u8 *pevtcmd;
u32 cmdsz;
struct joinbss_event *pjoinbss_evt;
struct C2HEvent_Header *pc2h_evt_hdr;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
pcmd_obj = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC);
if (!pcmd_obj)
return;
cmdsz = sizeof(struct joinbss_event) + sizeof(struct C2HEvent_Header);
pevtcmd = kzalloc(cmdsz, GFP_ATOMIC);
if (!pevtcmd) {
kfree(pcmd_obj);
return;
}
INIT_LIST_HEAD(&pcmd_obj->list);
pcmd_obj->cmdcode = _Set_MLME_EVT_CMD_;
pcmd_obj->cmdsz = cmdsz;
pcmd_obj->parmbuf = pevtcmd;
pcmd_obj->rsp = NULL;
pcmd_obj->rspsz = 0;
pc2h_evt_hdr = (struct C2HEvent_Header *)(pevtcmd);
pc2h_evt_hdr->len = sizeof(struct joinbss_event);
pc2h_evt_hdr->ID = _JoinBss_EVT_;
pc2h_evt_hdr->seq = atomic_inc_return(&pmlmeext->event_seq);
pjoinbss_evt = (struct joinbss_event *)(pevtcmd + sizeof(struct C2HEvent_Header));
memcpy((unsigned char *)(&(pjoinbss_evt->network.network)), &(pmlmeinfo->network), sizeof(struct wlan_bssid_ex));
pjoinbss_evt->network.join_res = res;
pjoinbss_evt->network.aid = res;
DBG_88E("report_join_res(%d)\n", res);
rtw_joinbss_event_prehandle(padapter, (u8 *)&pjoinbss_evt->network);
rtw_enqueue_cmd(pcmdpriv, pcmd_obj);
}
void report_del_sta_event(struct adapter *padapter, unsigned char *MacAddr, unsigned short reason)
{
struct cmd_obj *pcmd_obj;
u8 *pevtcmd;
u32 cmdsz;
struct sta_info *psta;
int mac_id;
struct stadel_event *pdel_sta_evt;
struct C2HEvent_Header *pc2h_evt_hdr;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
pcmd_obj = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL);
if (!pcmd_obj)
return;
cmdsz = sizeof(struct stadel_event) + sizeof(struct C2HEvent_Header);
pevtcmd = kzalloc(cmdsz, GFP_KERNEL);
if (!pevtcmd) {
kfree(pcmd_obj);
return;
}
INIT_LIST_HEAD(&pcmd_obj->list);
pcmd_obj->cmdcode = _Set_MLME_EVT_CMD_;
pcmd_obj->cmdsz = cmdsz;
pcmd_obj->parmbuf = pevtcmd;
pcmd_obj->rsp = NULL;
pcmd_obj->rspsz = 0;
pc2h_evt_hdr = (struct C2HEvent_Header *)(pevtcmd);
pc2h_evt_hdr->len = sizeof(struct stadel_event);
pc2h_evt_hdr->ID = _DelSTA_EVT_;
pc2h_evt_hdr->seq = atomic_inc_return(&pmlmeext->event_seq);
pdel_sta_evt = (struct stadel_event *)(pevtcmd + sizeof(struct C2HEvent_Header));
ether_addr_copy((unsigned char *)(&(pdel_sta_evt->macaddr)), MacAddr);
memcpy((unsigned char *)(pdel_sta_evt->rsvd), (unsigned char *)(&reason), 2);
psta = rtw_get_stainfo(&padapter->stapriv, MacAddr);
if (psta)
mac_id = (int)psta->mac_id;
else
mac_id = -1;
pdel_sta_evt->mac_id = mac_id;
DBG_88E("report_del_sta_event: delete STA, mac_id =%d\n", mac_id);
rtw_enqueue_cmd(pcmdpriv, pcmd_obj);
}
void report_add_sta_event(struct adapter *padapter, unsigned char *MacAddr, int cam_idx)
{
struct cmd_obj *pcmd_obj;
u8 *pevtcmd;
u32 cmdsz;
struct stassoc_event *padd_sta_evt;
struct C2HEvent_Header *pc2h_evt_hdr;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
pcmd_obj = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL);
if (!pcmd_obj)
return;
cmdsz = sizeof(struct stassoc_event) + sizeof(struct C2HEvent_Header);
pevtcmd = kzalloc(cmdsz, GFP_KERNEL);
if (!pevtcmd) {
kfree(pcmd_obj);
return;
}
INIT_LIST_HEAD(&pcmd_obj->list);
pcmd_obj->cmdcode = _Set_MLME_EVT_CMD_;
pcmd_obj->cmdsz = cmdsz;
pcmd_obj->parmbuf = pevtcmd;
pcmd_obj->rsp = NULL;
pcmd_obj->rspsz = 0;
pc2h_evt_hdr = (struct C2HEvent_Header *)(pevtcmd);
pc2h_evt_hdr->len = sizeof(struct stassoc_event);
pc2h_evt_hdr->ID = _AddSTA_EVT_;
pc2h_evt_hdr->seq = atomic_inc_return(&pmlmeext->event_seq);
padd_sta_evt = (struct stassoc_event *)(pevtcmd + sizeof(struct C2HEvent_Header));
ether_addr_copy((unsigned char *)(&(padd_sta_evt->macaddr)), MacAddr);
padd_sta_evt->cam_id = cam_idx;
DBG_88E("report_add_sta_event: add STA\n");
rtw_enqueue_cmd(pcmdpriv, pcmd_obj);
}
/****************************************************************************
Following are the event callback functions
*****************************************************************************/
/* for sta/adhoc mode */
void update_sta_info(struct adapter *padapter, struct sta_info *psta)
{
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
/* ERP */
VCS_update(padapter, psta);
/* HT */
if (pmlmepriv->htpriv.ht_option) {
psta->htpriv.ht_option = true;
psta->htpriv.ampdu_enable = pmlmepriv->htpriv.ampdu_enable;
if (support_short_GI(padapter, &pmlmeinfo->HT_caps))
psta->htpriv.sgi = true;
psta->qos_option = true;
} else {
psta->htpriv.ht_option = false;
psta->htpriv.ampdu_enable = false;
psta->htpriv.sgi = false;
psta->qos_option = false;
}
psta->htpriv.bwmode = pmlmeext->cur_bwmode;
psta->htpriv.ch_offset = pmlmeext->cur_ch_offset;
psta->htpriv.agg_enable_bitmap = 0x0;/* reset */
psta->htpriv.candidate_tid_bitmap = 0x0;/* reset */
/* QoS */
if (pmlmepriv->qospriv.qos_option)
psta->qos_option = true;
psta->state = _FW_LINKED;
}
void mlmeext_joinbss_event_callback(struct adapter *padapter, int join_res)
{
struct sta_info *psta, *psta_bmc;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network);
struct sta_priv *pstapriv = &padapter->stapriv;
u8 join_type;
u16 media_status;
if (join_res < 0) {
join_type = 1;
rtw_hal_set_hwreg(padapter, HW_VAR_MLME_JOIN, (u8 *)(&join_type));
rtw_hal_set_hwreg(padapter, HW_VAR_BSSID, null_addr);
/* restore to initial setting. */
update_tx_basic_rate(padapter, padapter->registrypriv.wireless_mode);
goto exit_mlmeext_joinbss_event_callback;
}
if ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE) {
/* for bc/mc */
psta_bmc = rtw_get_bcmc_stainfo(padapter);
if (psta_bmc) {
pmlmeinfo->FW_sta_info[psta_bmc->mac_id].psta = psta_bmc;
update_bmc_sta_support_rate(padapter, psta_bmc->mac_id);
Update_RA_Entry(padapter, psta_bmc->mac_id);
}
}
/* turn on dynamic functions */
Switch_DM_Func(padapter, DYNAMIC_ALL_FUNC_ENABLE, true);
/* update IOT-related issue */
update_IOT_info(padapter);
rtw_hal_set_hwreg(padapter, HW_VAR_BASIC_RATE, cur_network->SupportedRates);
/* BCN interval */
rtw_hal_set_hwreg(padapter, HW_VAR_BEACON_INTERVAL, (u8 *)(&pmlmeinfo->bcn_interval));
/* update capability */
update_capinfo(padapter, pmlmeinfo->capability);
/* WMM, Update EDCA param */
WMMOnAssocRsp(padapter);
/* HT */
HTOnAssocRsp(padapter);
set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode);
psta = rtw_get_stainfo(pstapriv, cur_network->MacAddress);
if (psta) { /* only for infra. mode */
pmlmeinfo->FW_sta_info[psta->mac_id].psta = psta;
psta->wireless_mode = pmlmeext->cur_wireless_mode;
/* set per sta rate after updating HT cap. */
set_sta_rate(padapter, psta);
rtw_hal_set_hwreg(padapter, HW_VAR_TX_RPT_MAX_MACID, (u8 *)&psta->mac_id);
media_status = (psta->mac_id<<8)|1; /* MACID|OPMODE: 1 means connect */
rtw_hal_set_hwreg(padapter, HW_VAR_H2C_MEDIA_STATUS_RPT, (u8 *)&media_status);
}
join_type = 2;
rtw_hal_set_hwreg(padapter, HW_VAR_MLME_JOIN, (u8 *)(&join_type));
if ((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE) {
/* correcting TSF */
correct_TSF(padapter, pmlmeext);
}
rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_CONNECT, 0);
exit_mlmeext_joinbss_event_callback:
DBG_88E("=>%s\n", __func__);
}
void mlmeext_sta_add_event_callback(struct adapter *padapter, struct sta_info *psta)
{
struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
u8 join_type;
DBG_88E("%s\n", __func__);
if ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE) {
if (pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) {/* adhoc master or sta_count>1 */
/* nothing to do */
} else { /* adhoc client */
/* correcting TSF */
correct_TSF(padapter, pmlmeext);
/* start beacon */
if (send_beacon(padapter) == _FAIL) {
pmlmeinfo->FW_sta_info[psta->mac_id].status = 0;
pmlmeinfo->state ^= WIFI_FW_ADHOC_STATE;
return;
}
pmlmeinfo->state |= WIFI_FW_ASSOC_SUCCESS;
}
join_type = 2;
rtw_hal_set_hwreg(padapter, HW_VAR_MLME_JOIN, (u8 *)(&join_type));
}
pmlmeinfo->FW_sta_info[psta->mac_id].psta = psta;
/* rate radaptive */
Update_RA_Entry(padapter, psta->mac_id);
/* update adhoc sta_info */
update_sta_info(padapter, psta);
}
void mlmeext_sta_del_event_callback(struct adapter *padapter)
{
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
if (is_client_associated_to_ap(padapter) || is_IBSS_empty(padapter)) {
rtw_hal_set_hwreg(padapter, HW_VAR_MLME_DISCONNECT, NULL);
rtw_hal_set_hwreg(padapter, HW_VAR_BSSID, null_addr);
/* restore to initial setting. */
update_tx_basic_rate(padapter, padapter->registrypriv.wireless_mode);
/* switch to the 20M Hz mode after disconnect */
pmlmeext->cur_bwmode = HT_CHANNEL_WIDTH_20;
pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
/* SelectChannel(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset); */
set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode);
flush_all_cam_entry(padapter);
pmlmeinfo->state = WIFI_FW_NULL_STATE;
/* set MSR to no link state -> infra. mode */
Set_MSR(padapter, _HW_STATE_STATION_);
del_timer_sync(&pmlmeext->link_timer);
}
}
/****************************************************************************
Following are the functions for the timer handlers
*****************************************************************************/
static u8 chk_ap_is_alive(struct adapter *padapter, struct sta_info *psta)
{
u8 ret = false;
if ((sta_rx_data_pkts(psta) == sta_last_rx_data_pkts(psta)) &&
sta_rx_beacon_pkts(psta) == sta_last_rx_beacon_pkts(psta) &&
sta_rx_probersp_pkts(psta) == sta_last_rx_probersp_pkts(psta))
ret = false;
else
ret = true;
sta_update_last_rx_pkts(psta);
return ret;
}
void linked_status_chk(struct adapter *padapter)
{
u32 i;
struct sta_info *psta;
struct xmit_priv *pxmitpriv = &(padapter->xmitpriv);
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
struct sta_priv *pstapriv = &padapter->stapriv;
if (is_client_associated_to_ap(padapter)) {
/* linked infrastructure client mode */
int tx_chk = _SUCCESS, rx_chk = _SUCCESS;
int rx_chk_limit;
rx_chk_limit = 4;
psta = rtw_get_stainfo(pstapriv, pmlmeinfo->network.MacAddress);
if (psta != NULL) {
bool is_p2p_enable = false;
if (!chk_ap_is_alive(padapter, psta))
rx_chk = _FAIL;
if (pxmitpriv->last_tx_pkts == pxmitpriv->tx_pkts)
tx_chk = _FAIL;
if (pmlmeext->active_keep_alive_check && (rx_chk == _FAIL || tx_chk == _FAIL)) {
u8 backup_oper_channel = 0;
/* switch to correct channel of current network before issue keep-alive frames */
if (rtw_get_oper_ch(padapter) != pmlmeext->cur_channel) {
backup_oper_channel = rtw_get_oper_ch(padapter);
SelectChannel(padapter, pmlmeext->cur_channel);
}
if (rx_chk != _SUCCESS)
issue_probereq_ex(padapter, &pmlmeinfo->network.Ssid, psta->hwaddr, 3, 1);
if ((tx_chk != _SUCCESS && pmlmeinfo->link_count++ == 0xf) || rx_chk != _SUCCESS) {
tx_chk = issue_nulldata(padapter, psta->hwaddr, 0, 3, 1);
/* if tx acked and p2p disabled, set rx_chk _SUCCESS to reset retry count */
if (tx_chk == _SUCCESS && !is_p2p_enable)
rx_chk = _SUCCESS;
}
/* back to the original operation channel */
if (backup_oper_channel > 0)
SelectChannel(padapter, backup_oper_channel);
} else {
if (rx_chk != _SUCCESS) {
if (pmlmeext->retry == 0) {
issue_probereq(padapter,
&pmlmeinfo->network.Ssid,
pmlmeinfo->network.MacAddress,
false);
issue_probereq(padapter,
&pmlmeinfo->network.Ssid,
pmlmeinfo->network.MacAddress,
false);
issue_probereq(padapter,
&pmlmeinfo->network.Ssid,
pmlmeinfo->network.MacAddress,
false);
}
}
if (tx_chk != _SUCCESS && pmlmeinfo->link_count++ == 0xf)
tx_chk = issue_nulldata(padapter, NULL, 0, 1, 0);
}
if (rx_chk == _FAIL) {
pmlmeext->retry++;
if (pmlmeext->retry > rx_chk_limit) {
DBG_88E_LEVEL(_drv_always_, FUNC_ADPT_FMT" disconnect or roaming\n",
FUNC_ADPT_ARG(padapter));
receive_disconnect(padapter, pmlmeinfo->network.MacAddress,
WLAN_REASON_EXPIRATION_CHK);
return;
}
} else {
pmlmeext->retry = 0;
}
if (tx_chk == _FAIL) {
pmlmeinfo->link_count &= 0xf;
} else {
pxmitpriv->last_tx_pkts = pxmitpriv->tx_pkts;
pmlmeinfo->link_count = 0;
}
} /* end of if ((psta = rtw_get_stainfo(pstapriv, passoc_res->network.MacAddress)) != NULL) */
} else if (is_client_associated_to_ibss(padapter)) {
/* linked IBSS mode */
/* for each assoc list entry to check the rx pkt counter */
for (i = IBSS_START_MAC_ID; i < NUM_STA; i++) {
if (pmlmeinfo->FW_sta_info[i].status == 1) {
psta = pmlmeinfo->FW_sta_info[i].psta;
if (NULL == psta)
continue;
if (pmlmeinfo->FW_sta_info[i].rx_pkt == sta_rx_pkts(psta)) {
if (pmlmeinfo->FW_sta_info[i].retry < 3) {
pmlmeinfo->FW_sta_info[i].retry++;
} else {
pmlmeinfo->FW_sta_info[i].retry = 0;
pmlmeinfo->FW_sta_info[i].status = 0;
report_del_sta_event(padapter, psta->hwaddr
, 65535/* indicate disconnect caused by no rx */
);
}
} else {
pmlmeinfo->FW_sta_info[i].retry = 0;
pmlmeinfo->FW_sta_info[i].rx_pkt = (u32)sta_rx_pkts(psta);
}
}
}
}
}
void survey_timer_hdl(unsigned long data)
{
struct adapter *padapter = (struct adapter *)data;
struct cmd_obj *ph2c;
struct sitesurvey_parm *psurveyPara;
struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
/* issue rtw_sitesurvey_cmd */
if (pmlmeext->sitesurvey_res.state > SCAN_START) {
if (pmlmeext->sitesurvey_res.state == SCAN_PROCESS)
pmlmeext->sitesurvey_res.channel_idx++;
if (pmlmeext->scan_abort) {
pmlmeext->sitesurvey_res.channel_idx = pmlmeext->sitesurvey_res.ch_num;
DBG_88E("%s idx:%d\n", __func__
, pmlmeext->sitesurvey_res.channel_idx);
pmlmeext->scan_abort = false;/* reset */
}
ph2c = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC);
if (!ph2c)
goto exit_survey_timer_hdl;
psurveyPara = kzalloc(sizeof(struct sitesurvey_parm), GFP_ATOMIC);
if (!psurveyPara) {
kfree(ph2c);
goto exit_survey_timer_hdl;
}
init_h2fwcmd_w_parm_no_rsp(ph2c, psurveyPara, _SiteSurvey_CMD_);
rtw_enqueue_cmd(pcmdpriv, ph2c);
}
exit_survey_timer_hdl:
return;
}
void link_timer_hdl(unsigned long data)
{
struct adapter *padapter = (struct adapter *)data;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
if (pmlmeinfo->state & WIFI_FW_AUTH_NULL) {
DBG_88E("link_timer_hdl:no beacon while connecting\n");
pmlmeinfo->state = WIFI_FW_NULL_STATE;
report_join_res(padapter, -3);
} else if (pmlmeinfo->state & WIFI_FW_AUTH_STATE) {
/* re-auth timer */
if (++pmlmeinfo->reauth_count > REAUTH_LIMIT) {
pmlmeinfo->state = 0;
report_join_res(padapter, -1);
return;
}
DBG_88E("link_timer_hdl: auth timeout and try again\n");
pmlmeinfo->auth_seq = 1;
issue_auth(padapter, NULL, 0);
set_link_timer(pmlmeext, REAUTH_TO);
} else if (pmlmeinfo->state & WIFI_FW_ASSOC_STATE) {
/* re-assoc timer */
if (++pmlmeinfo->reassoc_count > REASSOC_LIMIT) {
pmlmeinfo->state = WIFI_FW_NULL_STATE;
report_join_res(padapter, -2);
return;
}
DBG_88E("link_timer_hdl: assoc timeout and try again\n");
issue_assocreq(padapter);
set_link_timer(pmlmeext, REASSOC_TO);
}
}
void addba_timer_hdl(unsigned long data)
{
struct sta_info *psta = (struct sta_info *)data;
struct ht_priv *phtpriv;
if (!psta)
return;
phtpriv = &psta->htpriv;
if ((phtpriv->ht_option) && (phtpriv->ampdu_enable)) {
if (phtpriv->candidate_tid_bitmap)
phtpriv->candidate_tid_bitmap = 0x0;
}
}
u8 setopmode_hdl(struct adapter *padapter, u8 *pbuf)
{
u8 type;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
struct setopmode_parm *psetop = (struct setopmode_parm *)pbuf;
if (psetop->mode == Ndis802_11APMode) {
pmlmeinfo->state = WIFI_FW_AP_STATE;
type = _HW_STATE_AP_;
} else if (psetop->mode == Ndis802_11Infrastructure) {
pmlmeinfo->state &= ~(BIT(0)|BIT(1));/* clear state */
pmlmeinfo->state |= WIFI_FW_STATION_STATE;/* set to STATION_STATE */
type = _HW_STATE_STATION_;
} else if (psetop->mode == Ndis802_11IBSS) {
type = _HW_STATE_ADHOC_;
} else {
type = _HW_STATE_NOLINK_;
}
rtw_hal_set_hwreg(padapter, HW_VAR_SET_OPMODE, (u8 *)(&type));
/* Set_NETYPE0_MSR(padapter, type); */
return H2C_SUCCESS;
}
u8 createbss_hdl(struct adapter *padapter, u8 *pbuf)
{
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));
struct wlan_bssid_ex *pparm = (struct wlan_bssid_ex *)pbuf;
/* u32 initialgain; */
if (pparm->InfrastructureMode == Ndis802_11APMode) {
#ifdef CONFIG_88EU_AP_MODE
if (pmlmeinfo->state == WIFI_FW_AP_STATE) {
/* todo: */
return H2C_SUCCESS;
}
#endif
}
/* below is for ad-hoc master */
if (pparm->InfrastructureMode == Ndis802_11IBSS) {
rtw_joinbss_reset(padapter);
pmlmeext->cur_bwmode = HT_CHANNEL_WIDTH_20;
pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
pmlmeinfo->ERP_enable = 0;
pmlmeinfo->WMM_enable = 0;
pmlmeinfo->HT_enable = 0;
pmlmeinfo->HT_caps_enable = 0;
pmlmeinfo->HT_info_enable = 0;
pmlmeinfo->agg_enable_bitmap = 0;
pmlmeinfo->candidate_tid_bitmap = 0;
/* disable dynamic functions, such as high power, DIG */
Save_DM_Func_Flag(padapter);
Switch_DM_Func(padapter, DYNAMIC_FUNC_DISABLE, false);
/* config the initial gain under linking, need to write the BB registers */
/* initialgain = 0x1E; */
/* rtw_hal_set_hwreg(padapter, HW_VAR_INITIAL_GAIN, (u8 *)(&initialgain)); */
/* cancel link timer */
del_timer_sync(&pmlmeext->link_timer);
/* clear CAM */
flush_all_cam_entry(padapter);
memcpy(pnetwork, pbuf, offsetof(struct wlan_bssid_ex, IELength));
pnetwork->IELength = ((struct wlan_bssid_ex *)pbuf)->IELength;
if (pnetwork->IELength > MAX_IE_SZ)/* Check pbuf->IELength */
return H2C_PARAMETERS_ERROR;
memcpy(pnetwork->IEs, ((struct wlan_bssid_ex *)pbuf)->IEs, pnetwork->IELength);
start_create_ibss(padapter);
}
return H2C_SUCCESS;
}
u8 join_cmd_hdl(struct adapter *padapter, u8 *pbuf)
{
u8 join_type;
struct ndis_802_11_var_ie *pIE;
struct registry_priv *pregpriv = &padapter->registrypriv;
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));
struct wlan_bssid_ex *pparm = (struct wlan_bssid_ex *)pbuf;
u32 i;
/* check already connecting to AP or not */
if (pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) {
if (pmlmeinfo->state & WIFI_FW_STATION_STATE)
issue_deauth_ex(padapter, pnetwork->MacAddress, WLAN_REASON_DEAUTH_LEAVING, 5, 100);
pmlmeinfo->state = WIFI_FW_NULL_STATE;
/* clear CAM */
flush_all_cam_entry(padapter);
del_timer_sync(&pmlmeext->link_timer);
/* set MSR to nolink -> infra. mode */
Set_MSR(padapter, _HW_STATE_STATION_);
rtw_hal_set_hwreg(padapter, HW_VAR_MLME_DISCONNECT, NULL);
}
rtw_antenna_select_cmd(padapter, pparm->PhyInfo.Optimum_antenna, false);
rtw_joinbss_reset(padapter);
pmlmeext->cur_bwmode = HT_CHANNEL_WIDTH_20;
pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
pmlmeinfo->ERP_enable = 0;
pmlmeinfo->WMM_enable = 0;
pmlmeinfo->HT_enable = 0;
pmlmeinfo->HT_caps_enable = 0;
pmlmeinfo->HT_info_enable = 0;
pmlmeinfo->agg_enable_bitmap = 0;
pmlmeinfo->candidate_tid_bitmap = 0;
pmlmeinfo->bwmode_updated = false;
memcpy(pnetwork, pbuf, offsetof(struct wlan_bssid_ex, IELength));
pnetwork->IELength = ((struct wlan_bssid_ex *)pbuf)->IELength;
if (pnetwork->IELength > MAX_IE_SZ)/* Check pbuf->IELength */
return H2C_PARAMETERS_ERROR;
memcpy(pnetwork->IEs, ((struct wlan_bssid_ex *)pbuf)->IEs, pnetwork->IELength);
/* Check AP vendor to move rtw_joinbss_cmd() */
for (i = sizeof(struct ndis_802_11_fixed_ie); i < pnetwork->IELength;) {
pIE = (struct ndis_802_11_var_ie *)(pnetwork->IEs + i);
switch (pIE->ElementID) {
case _VENDOR_SPECIFIC_IE_:/* Get WMM IE. */
if (!memcmp(pIE->data, WMM_OUI, 4))
pmlmeinfo->WMM_enable = 1;
break;
case _HT_CAPABILITY_IE_: /* Get HT Cap IE. */
pmlmeinfo->HT_caps_enable = 1;
break;
case _HT_EXTRA_INFO_IE_: /* Get HT Info IE. */
pmlmeinfo->HT_info_enable = 1;
/* spec case only for cisco's ap because cisco's ap issue assoc rsp using mcs rate @40MHz or @20MHz */
{
struct HT_info_element *pht_info = (struct HT_info_element *)(pIE->data);
if ((pregpriv->cbw40_enable) && (pht_info->infos[0] & BIT(2))) {
/* switch to the 40M Hz mode according to the AP */
pmlmeext->cur_bwmode = HT_CHANNEL_WIDTH_40;
switch (pht_info->infos[0] & 0x3) {
case 1:
pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
break;
case 3:
pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
break;
default:
pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
break;
}
DBG_88E("set ch/bw before connected\n");
}
}
break;
default:
break;
}
i += (pIE->Length + 2);
}
/* disable dynamic functions, such as high power, DIG */
/* config the initial gain under linking, need to write the BB registers */
rtw_hal_set_hwreg(padapter, HW_VAR_BSSID, pmlmeinfo->network.MacAddress);
join_type = 0;
rtw_hal_set_hwreg(padapter, HW_VAR_MLME_JOIN, (u8 *)(&join_type));
/* cancel link timer */
del_timer_sync(&pmlmeext->link_timer);
start_clnt_join(padapter);
return H2C_SUCCESS;
}
u8 disconnect_hdl(struct adapter *padapter, unsigned char *pbuf)
{
struct disconnect_parm *param = (struct disconnect_parm *)pbuf;
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));
u8 val8;
if (is_client_associated_to_ap(padapter))
issue_deauth_ex(padapter, pnetwork->MacAddress, WLAN_REASON_DEAUTH_LEAVING, param->deauth_timeout_ms/100, 100);
rtw_hal_set_hwreg(padapter, HW_VAR_MLME_DISCONNECT, NULL);
rtw_hal_set_hwreg(padapter, HW_VAR_BSSID, null_addr);
/* restore to initial setting. */
update_tx_basic_rate(padapter, padapter->registrypriv.wireless_mode);
if (((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE) || ((pmlmeinfo->state&0x03) == WIFI_FW_AP_STATE)) {
/* Stop BCN */
val8 = 0;
rtw_hal_set_hwreg(padapter, HW_VAR_BCN_FUNC, (u8 *)(&val8));
}
/* set MSR to no link state -> infra. mode */
Set_MSR(padapter, _HW_STATE_STATION_);
pmlmeinfo->state = WIFI_FW_NULL_STATE;
/* switch to the 20M Hz mode after disconnect */
pmlmeext->cur_bwmode = HT_CHANNEL_WIDTH_20;
pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode);
flush_all_cam_entry(padapter);
del_timer_sync(&pmlmeext->link_timer);
rtw_free_uc_swdec_pending_queue(padapter);
return H2C_SUCCESS;
}
static int rtw_scan_ch_decision(struct adapter *padapter, struct rtw_ieee80211_channel *out,
u32 out_num, struct rtw_ieee80211_channel *in, u32 in_num)
{
int i, j;
int set_idx;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
/* clear out first */
memset(out, 0, sizeof(struct rtw_ieee80211_channel)*out_num);
/* acquire channels from in */
j = 0;
for (i = 0; i < in_num; i++) {
set_idx = rtw_ch_set_search_ch(pmlmeext->channel_set, in[i].hw_value);
if (in[i].hw_value && !(in[i].flags & RTW_IEEE80211_CHAN_DISABLED) &&
set_idx >= 0) {
out[j] = in[i];
if (pmlmeext->channel_set[set_idx].ScanType == SCAN_PASSIVE)
out[j].flags &= RTW_IEEE80211_CHAN_PASSIVE_SCAN;
j++;
}
if (j >= out_num)
break;
}
/* if out is empty, use channel_set as default */
if (j == 0) {
for (i = 0; i < pmlmeext->max_chan_nums; i++) {
out[i].hw_value = pmlmeext->channel_set[i].ChannelNum;
if (pmlmeext->channel_set[i].ScanType == SCAN_PASSIVE)
out[i].flags &= RTW_IEEE80211_CHAN_PASSIVE_SCAN;
j++;
}
}
return j;
}
u8 sitesurvey_cmd_hdl(struct adapter *padapter, u8 *pbuf)
{
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct sitesurvey_parm *pparm = (struct sitesurvey_parm *)pbuf;
u8 bdelayscan = false;
u8 val8;
u32 initialgain;
u32 i;
if (pmlmeext->sitesurvey_res.state == SCAN_DISABLE) {
/* for first time sitesurvey_cmd */
rtw_hal_set_hwreg(padapter, HW_VAR_CHECK_TXBUF, NULL);
pmlmeext->sitesurvey_res.state = SCAN_START;
pmlmeext->sitesurvey_res.bss_cnt = 0;
pmlmeext->sitesurvey_res.channel_idx = 0;
for (i = 0; i < RTW_SSID_SCAN_AMOUNT; i++) {
if (pparm->ssid[i].SsidLength) {
memcpy(pmlmeext->sitesurvey_res.ssid[i].Ssid, pparm->ssid[i].Ssid, IW_ESSID_MAX_SIZE);
pmlmeext->sitesurvey_res.ssid[i].SsidLength = pparm->ssid[i].SsidLength;
} else {
pmlmeext->sitesurvey_res.ssid[i].SsidLength = 0;
}
}
pmlmeext->sitesurvey_res.ch_num = rtw_scan_ch_decision(padapter
, pmlmeext->sitesurvey_res.ch, RTW_CHANNEL_SCAN_AMOUNT
, pparm->ch, pparm->ch_num
);
pmlmeext->sitesurvey_res.scan_mode = pparm->scan_mode;
/* issue null data if associating to the AP */
if (is_client_associated_to_ap(padapter)) {
pmlmeext->sitesurvey_res.state = SCAN_TXNULL;
issue_nulldata(padapter, NULL, 1, 3, 500);
bdelayscan = true;
}
if (bdelayscan) {
/* delay 50ms to protect nulldata(1). */
set_survey_timer(pmlmeext, 50);
return H2C_SUCCESS;
}
}
if ((pmlmeext->sitesurvey_res.state == SCAN_START) || (pmlmeext->sitesurvey_res.state == SCAN_TXNULL)) {
/* disable dynamic functions, such as high power, DIG */
Save_DM_Func_Flag(padapter);
Switch_DM_Func(padapter, DYNAMIC_FUNC_DISABLE, false);
/* config the initial gain under scanning, need to write the BB registers */
initialgain = 0x1E;
rtw_hal_set_hwreg(padapter, HW_VAR_INITIAL_GAIN, (u8 *)(&initialgain));
/* set MSR to no link state */
Set_MSR(padapter, _HW_STATE_NOLINK_);
val8 = 1; /* under site survey */
rtw_hal_set_hwreg(padapter, HW_VAR_MLME_SITESURVEY, (u8 *)(&val8));
pmlmeext->sitesurvey_res.state = SCAN_PROCESS;
}
site_survey(padapter);
return H2C_SUCCESS;
}
u8 setauth_hdl(struct adapter *padapter, unsigned char *pbuf)
{
struct setauth_parm *pparm = (struct setauth_parm *)pbuf;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
if (pparm->mode < 4)
pmlmeinfo->auth_algo = pparm->mode;
return H2C_SUCCESS;
}
u8 setkey_hdl(struct adapter *padapter, u8 *pbuf)
{
unsigned short ctrl;
struct setkey_parm *pparm = (struct setkey_parm *)pbuf;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
unsigned char null_sta[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
/* main tx key for wep. */
if (pparm->set_tx)
pmlmeinfo->key_index = pparm->keyid;
/* write cam */
ctrl = BIT(15) | ((pparm->algorithm) << 2) | pparm->keyid;
DBG_88E_LEVEL(_drv_info_, "set group key to hw: alg:%d(WEP40-1 WEP104-5 TKIP-2 AES-4) "
"keyid:%d\n", pparm->algorithm, pparm->keyid);
write_cam(padapter, pparm->keyid, ctrl, null_sta, pparm->key);
return H2C_SUCCESS;
}
u8 set_stakey_hdl(struct adapter *padapter, u8 *pbuf)
{
u16 ctrl = 0;
u8 cam_id;/* cam_entry */
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
struct set_stakey_parm *pparm = (struct set_stakey_parm *)pbuf;
/* cam_entry: */
/* 0~3 for default key */
/* for concurrent mode (ap+sta): */
/* default key is disable, using sw encrypt/decrypt */
/* cam_entry = 4 for sta mode (macid = 0) */
/* cam_entry(macid+3) = 5 ~ N for ap mode (aid = 1~N, macid = 2 ~N) */
/* for concurrent mode (sta+sta): */
/* default key is disable, using sw encrypt/decrypt */
/* cam_entry = 4 mapping to macid = 0 */
/* cam_entry = 5 mapping to macid = 2 */
cam_id = 4;
DBG_88E_LEVEL(_drv_info_, "set pairwise key to hw: alg:%d(WEP40-1 WEP104-5 TKIP-2 AES-4) camid:%d\n",
pparm->algorithm, cam_id);
if ((pmlmeinfo->state&0x03) == WIFI_FW_AP_STATE) {
struct sta_info *psta;
struct sta_priv *pstapriv = &padapter->stapriv;
if (pparm->algorithm == _NO_PRIVACY_) /* clear cam entry */ {
clear_cam_entry(padapter, pparm->id);
return H2C_SUCCESS_RSP;
}
psta = rtw_get_stainfo(pstapriv, pparm->addr);
if (psta) {
ctrl = BIT(15) | ((pparm->algorithm) << 2);
DBG_88E("r871x_set_stakey_hdl(): enc_algorithm=%d\n", pparm->algorithm);
if ((psta->mac_id < 1) || (psta->mac_id > (NUM_STA-4))) {
DBG_88E("r871x_set_stakey_hdl():set_stakey failed, mac_id(aid)=%d\n", psta->mac_id);
return H2C_REJECTED;
}
cam_id = psta->mac_id + 3;/* 0~3 for default key, cmd_id = macid + 3, macid = aid+1; */
DBG_88E("Write CAM, mac_addr =%pM, cam_entry=%d\n",
pparm->addr, cam_id);
write_cam(padapter, cam_id, ctrl, pparm->addr, pparm->key);
return H2C_SUCCESS_RSP;
} else {
DBG_88E("r871x_set_stakey_hdl(): sta has been free\n");
return H2C_REJECTED;
}
}
/* below for sta mode */
if (pparm->algorithm == _NO_PRIVACY_) { /* clear cam entry */
clear_cam_entry(padapter, pparm->id);
return H2C_SUCCESS;
}
ctrl = BIT(15) | ((pparm->algorithm) << 2);
write_cam(padapter, cam_id, ctrl, pparm->addr, pparm->key);
pmlmeinfo->enc_algo = pparm->algorithm;
return H2C_SUCCESS;
}
u8 add_ba_hdl(struct adapter *padapter, unsigned char *pbuf)
{
struct addBaReq_parm *pparm = (struct addBaReq_parm *)pbuf;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
struct sta_info *psta = rtw_get_stainfo(&padapter->stapriv, pparm->addr);
if (!psta)
return H2C_SUCCESS;
if (((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && (pmlmeinfo->HT_enable)) ||
((pmlmeinfo->state&0x03) == WIFI_FW_AP_STATE)) {
issue_action_BA(padapter, pparm->addr, RTW_WLAN_ACTION_ADDBA_REQ, (u16)pparm->tid);
mod_timer(&psta->addba_retry_timer,
jiffies + msecs_to_jiffies(ADDBA_TO));
} else {
psta->htpriv.candidate_tid_bitmap &= ~BIT(pparm->tid);
}
return H2C_SUCCESS;
}
u8 set_tx_beacon_cmd(struct adapter *padapter)
{
struct cmd_obj *ph2c;
struct wlan_bssid_ex *ptxBeacon_parm;
struct cmd_priv *pcmdpriv = &(padapter->cmdpriv);
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
u8 res = _SUCCESS;
int len_diff = 0;
ph2c = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL);
if (!ph2c) {
res = _FAIL;
goto exit;
}
ptxBeacon_parm = kmemdup(&(pmlmeinfo->network),
sizeof(struct wlan_bssid_ex), GFP_KERNEL);
if (ptxBeacon_parm == NULL) {
kfree(ph2c);
res = _FAIL;
goto exit;
}
len_diff = update_hidden_ssid(ptxBeacon_parm->IEs+_BEACON_IE_OFFSET_,
ptxBeacon_parm->IELength-_BEACON_IE_OFFSET_,
pmlmeinfo->hidden_ssid_mode);
ptxBeacon_parm->IELength += len_diff;
init_h2fwcmd_w_parm_no_rsp(ph2c, ptxBeacon_parm, _TX_Beacon_CMD_);
res = rtw_enqueue_cmd(pcmdpriv, ph2c);
exit:
return res;
}
u8 mlme_evt_hdl(struct adapter *padapter, unsigned char *pbuf)
{
u8 evt_code;
u16 evt_sz;
uint *peventbuf;
void (*event_callback)(struct adapter *dev, u8 *pbuf);
peventbuf = (uint *)pbuf;
evt_sz = (u16)(*peventbuf&0xffff);
evt_code = (u8)((*peventbuf>>16)&0xff);
/* checking if event code is valid */
if (evt_code >= MAX_C2HEVT) {
RT_TRACE(_module_rtl871x_cmd_c_, _drv_err_, ("\nEvent Code(%d) mismatch!\n", evt_code));
goto _abort_event_;
}
/* checking if event size match the event parm size */
if ((wlanevents[evt_code].parmsize != 0) &&
(wlanevents[evt_code].parmsize != evt_sz)) {
RT_TRACE(_module_rtl871x_cmd_c_, _drv_err_,
("\nEvent(%d) Parm Size mismatch (%d vs %d)!\n",
evt_code, wlanevents[evt_code].parmsize, evt_sz));
goto _abort_event_;
}
peventbuf += 2;
if (peventbuf) {
event_callback = wlanevents[evt_code].event_callback;
event_callback(padapter, (u8 *)peventbuf);
}
_abort_event_:
return H2C_SUCCESS;
}
u8 tx_beacon_hdl(struct adapter *padapter, unsigned char *pbuf)
{
if (send_beacon(padapter) == _FAIL) {
DBG_88E("issue_beacon, fail!\n");
return H2C_PARAMETERS_ERROR;
}
#ifdef CONFIG_88EU_AP_MODE
else { /* tx bc/mc frames after update TIM */
struct sta_info *psta_bmc;
struct list_head *xmitframe_plist, *xmitframe_phead;
struct xmit_frame *pxmitframe = NULL;
struct sta_priv *pstapriv = &padapter->stapriv;
/* for BC/MC Frames */
psta_bmc = rtw_get_bcmc_stainfo(padapter);
if (!psta_bmc)
return H2C_SUCCESS;
if ((pstapriv->tim_bitmap&BIT(0)) && (psta_bmc->sleepq_len > 0)) {
msleep(10);/* 10ms, ATIM(HIQ) Windows */
spin_lock_bh(&psta_bmc->sleep_q.lock);
xmitframe_phead = get_list_head(&psta_bmc->sleep_q);
xmitframe_plist = xmitframe_phead->next;
while (xmitframe_phead != xmitframe_plist) {
pxmitframe = container_of(xmitframe_plist, struct xmit_frame, list);
xmitframe_plist = xmitframe_plist->next;
list_del_init(&pxmitframe->list);
psta_bmc->sleepq_len--;
if (psta_bmc->sleepq_len > 0)
pxmitframe->attrib.mdata = 1;
else
pxmitframe->attrib.mdata = 0;
pxmitframe->attrib.triggered = 1;
pxmitframe->attrib.qsel = 0x11;/* HIQ */
spin_unlock_bh(&psta_bmc->sleep_q.lock);
if (rtw_hal_xmit(padapter, pxmitframe))
rtw_os_xmit_complete(padapter, pxmitframe);
spin_lock_bh(&psta_bmc->sleep_q.lock);
}
spin_unlock_bh(&psta_bmc->sleep_q.lock);
}
}
#endif
return H2C_SUCCESS;
}
u8 set_ch_hdl(struct adapter *padapter, u8 *pbuf)
{
struct set_ch_parm *set_ch_parm;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
if (!pbuf)
return H2C_PARAMETERS_ERROR;
set_ch_parm = (struct set_ch_parm *)pbuf;
DBG_88E(FUNC_NDEV_FMT" ch:%u, bw:%u, ch_offset:%u\n",
FUNC_NDEV_ARG(padapter->pnetdev),
set_ch_parm->ch, set_ch_parm->bw, set_ch_parm->ch_offset);
pmlmeext->cur_channel = set_ch_parm->ch;
pmlmeext->cur_ch_offset = set_ch_parm->ch_offset;
pmlmeext->cur_bwmode = set_ch_parm->bw;
set_channel_bwmode(padapter, set_ch_parm->ch, set_ch_parm->ch_offset, set_ch_parm->bw);
return H2C_SUCCESS;
}
u8 set_chplan_hdl(struct adapter *padapter, unsigned char *pbuf)
{
struct SetChannelPlan_param *setChannelPlan_param;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
if (!pbuf)
return H2C_PARAMETERS_ERROR;
setChannelPlan_param = (struct SetChannelPlan_param *)pbuf;
pmlmeext->max_chan_nums = init_channel_set(padapter, setChannelPlan_param->channel_plan, pmlmeext->channel_set);
init_channel_list(padapter, pmlmeext->channel_set, pmlmeext->max_chan_nums, &pmlmeext->channel_list);
return H2C_SUCCESS;
}