/*
* This function informs the CFG802.11 subsystem of a new IBSS.
*
* The following information are sent to the CFG802.11 subsystem
* to register the new IBSS. If we do not register the new IBSS,
* a kernel panic will result.
* - SSID
* - SSID length
* - BSSID
* - Channel
*/
static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv)
{
struct ieee80211_channel *chan;
struct mwifiex_bss_info bss_info;
struct cfg80211_bss *bss;
int ie_len;
u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)];
enum ieee80211_band band;
if (mwifiex_get_bss_info(priv, &bss_info))
return -1;
ie_buf[0] = WLAN_EID_SSID;
ie_buf[1] = bss_info.ssid.ssid_len;
memcpy(&ie_buf[sizeof(struct ieee_types_header)],
&bss_info.ssid.ssid, bss_info.ssid.ssid_len);
ie_len = ie_buf[1] + sizeof(struct ieee_types_header);
band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
chan = __ieee80211_get_channel(priv->wdev->wiphy,
ieee80211_channel_to_frequency(bss_info.bss_chan,
band));
bss = cfg80211_inform_bss(priv->wdev->wiphy, chan,
bss_info.bssid, 0, WLAN_CAPABILITY_IBSS,
0, ie_buf, ie_len, 0, GFP_KERNEL);
cfg80211_put_bss(bss);
memcpy(priv->cfg_bssid, bss_info.bssid, ETH_ALEN);
return 0;
}
/*
* This function locates the Channel-Frequency-Power triplet based upon
* band and channel/frequency parameters.
*/
struct mwifiex_chan_freq_power *
mwifiex_get_cfp(struct mwifiex_private *priv, u8 band, u16 channel, u32 freq)
{
struct mwifiex_chan_freq_power *cfp = NULL;
struct ieee80211_supported_band *sband;
struct ieee80211_channel *ch = NULL;
int i;
if (!channel && !freq)
return cfp;
if (mwifiex_band_to_radio_type(band) == HostCmd_SCAN_RADIO_TYPE_BG)
sband = priv->wdev->wiphy->bands[IEEE80211_BAND_2GHZ];
else
sband = priv->wdev->wiphy->bands[IEEE80211_BAND_5GHZ];
if (!sband) {
dev_err(priv->adapter->dev, "%s: cannot find cfp by band %d\n",
__func__, band);
return cfp;
}
for (i = 0; i < sband->n_channels; i++) {
ch = &sband->channels[i];
if (ch->flags & IEEE80211_CHAN_DISABLED)
continue;
if (freq) {
if (ch->center_freq == freq)
break;
} else {
/* find by valid channel*/
if (ch->hw_value == channel ||
channel == FIRST_VALID_CHANNEL)
break;
}
}
if (i == sband->n_channels) {
dev_err(priv->adapter->dev, "%s: cannot find cfp by band %d"
" & channel=%d freq=%d\n", __func__, band, channel,
freq);
} else {
if (!ch)
return cfp;
priv->cfp.channel = ch->hw_value;
priv->cfp.freq = ch->center_freq;
priv->cfp.max_tx_power = ch->max_power;
cfp = &priv->cfp;
}
return cfp;
}
/* This function appends 11h info to a buffer while joining an
* infrastructure BSS
*/
static void
mwifiex_11h_process_infra_join(struct mwifiex_private *priv, u8 **buffer,
struct mwifiex_bssdescriptor *bss_desc)
{
struct mwifiex_ie_types_header *ie_header;
struct mwifiex_ie_types_pwr_capability *cap;
struct mwifiex_ie_types_local_pwr_constraint *constraint;
struct ieee80211_supported_band *sband;
u8 radio_type;
int i;
if (!buffer || !(*buffer))
return;
radio_type = mwifiex_band_to_radio_type((u8) bss_desc->bss_band);
sband = priv->wdev.wiphy->bands[radio_type];
cap = (struct mwifiex_ie_types_pwr_capability *)*buffer;
cap->header.type = cpu_to_le16(WLAN_EID_PWR_CAPABILITY);
cap->header.len = cpu_to_le16(2);
cap->min_pwr = 0;
cap->max_pwr = 0;
*buffer += sizeof(*cap);
constraint = (struct mwifiex_ie_types_local_pwr_constraint *)*buffer;
constraint->header.type = cpu_to_le16(WLAN_EID_PWR_CONSTRAINT);
constraint->header.len = cpu_to_le16(2);
constraint->chan = bss_desc->channel;
constraint->constraint = bss_desc->local_constraint;
*buffer += sizeof(*constraint);
ie_header = (struct mwifiex_ie_types_header *)*buffer;
ie_header->type = cpu_to_le16(TLV_TYPE_PASSTHROUGH);
ie_header->len = cpu_to_le16(2 * sband->n_channels + 2);
*buffer += sizeof(*ie_header);
*(*buffer)++ = WLAN_EID_SUPPORTED_CHANNELS;
*(*buffer)++ = 2 * sband->n_channels;
for (i = 0; i < sband->n_channels; i++) {
*(*buffer)++ = ieee80211_frequency_to_channel(
sband->channels[i].center_freq);
*(*buffer)++ = 1; /* one channel in the subband */
}
}
/*
* This function locates the Channel-Frequency-Power triplet based upon
* band and channel parameters.
*/
struct mwifiex_chan_freq_power *
mwifiex_get_cfp_by_band_and_channel_from_cfg80211(struct mwifiex_private
*priv, u8 band, u16 channel)
{
struct mwifiex_chan_freq_power *cfp = NULL;
struct ieee80211_supported_band *sband;
struct ieee80211_channel *ch;
int i;
if (mwifiex_band_to_radio_type(band) == HostCmd_SCAN_RADIO_TYPE_BG)
sband = priv->wdev->wiphy->bands[IEEE80211_BAND_2GHZ];
else
sband = priv->wdev->wiphy->bands[IEEE80211_BAND_5GHZ];
if (!sband) {
dev_err(priv->adapter->dev, "%s: cannot find cfp by band %d"
" & channel %d\n", __func__, band, channel);
return cfp;
}
for (i = 0; i < sband->n_channels; i++) {
ch = &sband->channels[i];
if (((ch->hw_value == channel) ||
(channel == FIRST_VALID_CHANNEL))
&& !(ch->flags & IEEE80211_CHAN_DISABLED)) {
priv->cfp.channel = channel;
priv->cfp.freq = ch->center_freq;
priv->cfp.max_tx_power = ch->max_power;
cfp = &priv->cfp;
break;
}
}
if (i == sband->n_channels)
dev_err(priv->adapter->dev, "%s: cannot find cfp by band %d"
" & channel %d\n", __func__, band, channel);
return cfp;
}
/*
* This function prepares command for ad-hoc start.
*
* Driver will fill up SSID, BSS mode, IBSS parameters, physical
* parameters, probe delay, and capability information. Firmware
* will fill up beacon period, basic rates and operational rates.
*
* In addition, the following TLVs are added -
* - Channel TLV
* - Vendor specific IE
* - WPA/WPA2 IE
* - HT Capabilities IE
* - HT Information IE
*
* Preparation also includes -
* - Setting command ID and proper size
* - Ensuring correct endian-ness
*/
int
mwifiex_cmd_802_11_ad_hoc_start(struct mwifiex_private *priv,
struct host_cmd_ds_command *cmd,
struct cfg80211_ssid *req_ssid)
{
int rsn_ie_len = 0;
struct mwifiex_adapter *adapter = priv->adapter;
struct host_cmd_ds_802_11_ad_hoc_start *adhoc_start =
&cmd->params.adhoc_start;
struct mwifiex_bssdescriptor *bss_desc;
u32 cmd_append_size = 0;
u32 i;
u16 tmp_cap;
struct mwifiex_ie_types_chan_list_param_set *chan_tlv;
u8 radio_type;
struct mwifiex_ie_types_htcap *ht_cap;
struct mwifiex_ie_types_htinfo *ht_info;
u8 *pos = (u8 *) adhoc_start +
sizeof(struct host_cmd_ds_802_11_ad_hoc_start);
if (!adapter)
return -1;
cmd->command = cpu_to_le16(HostCmd_CMD_802_11_AD_HOC_START);
bss_desc = &priv->curr_bss_params.bss_descriptor;
priv->attempted_bss_desc = bss_desc;
/*
* Fill in the parameters for 2 data structures:
* 1. struct host_cmd_ds_802_11_ad_hoc_start command
* 2. bss_desc
* Driver will fill up SSID, bss_mode,IBSS param, Physical Param,
* probe delay, and Cap info.
* Firmware will fill up beacon period, Basic rates
* and operational rates.
*/
memset(adhoc_start->ssid, 0, IEEE80211_MAX_SSID_LEN);
memcpy(adhoc_start->ssid, req_ssid->ssid, req_ssid->ssid_len);
dev_dbg(adapter->dev, "info: ADHOC_S_CMD: SSID = %s\n",
adhoc_start->ssid);
memset(bss_desc->ssid.ssid, 0, IEEE80211_MAX_SSID_LEN);
memcpy(bss_desc->ssid.ssid, req_ssid->ssid, req_ssid->ssid_len);
bss_desc->ssid.ssid_len = req_ssid->ssid_len;
/* Set the BSS mode */
adhoc_start->bss_mode = HostCmd_BSS_MODE_IBSS;
bss_desc->bss_mode = NL80211_IFTYPE_ADHOC;
adhoc_start->beacon_period = cpu_to_le16(priv->beacon_period);
bss_desc->beacon_period = priv->beacon_period;
/* Set Physical param set */
/* Parameter IE Id */
#define DS_PARA_IE_ID 3
/* Parameter IE length */
#define DS_PARA_IE_LEN 1
adhoc_start->phy_param_set.ds_param_set.element_id = DS_PARA_IE_ID;
adhoc_start->phy_param_set.ds_param_set.len = DS_PARA_IE_LEN;
if (!mwifiex_get_cfp(priv, adapter->adhoc_start_band,
(u16) priv->adhoc_channel, 0)) {
struct mwifiex_chan_freq_power *cfp;
cfp = mwifiex_get_cfp(priv, adapter->adhoc_start_band,
FIRST_VALID_CHANNEL, 0);
if (cfp)
priv->adhoc_channel = (u8) cfp->channel;
}
if (!priv->adhoc_channel) {
dev_err(adapter->dev, "ADHOC_S_CMD: adhoc_channel cannot be 0\n");
return -1;
}
dev_dbg(adapter->dev, "info: ADHOC_S_CMD: creating ADHOC on channel %d\n",
priv->adhoc_channel);
priv->curr_bss_params.bss_descriptor.channel = priv->adhoc_channel;
priv->curr_bss_params.band = adapter->adhoc_start_band;
bss_desc->channel = priv->adhoc_channel;
adhoc_start->phy_param_set.ds_param_set.current_chan =
priv->adhoc_channel;
memcpy(&bss_desc->phy_param_set, &adhoc_start->phy_param_set,
sizeof(union ieee_types_phy_param_set));
/* Set IBSS param set */
/* IBSS parameter IE Id */
#define IBSS_PARA_IE_ID 6
/* IBSS parameter IE length */
#define IBSS_PARA_IE_LEN 2
adhoc_start->ss_param_set.ibss_param_set.element_id = IBSS_PARA_IE_ID;
adhoc_start->ss_param_set.ibss_param_set.len = IBSS_PARA_IE_LEN;
adhoc_start->ss_param_set.ibss_param_set.atim_window
= cpu_to_le16(priv->atim_window);
memcpy(&bss_desc->ss_param_set, &adhoc_start->ss_param_set,
sizeof(union ieee_types_ss_param_set));
/* Set Capability info */
bss_desc->cap_info_bitmap |= WLAN_CAPABILITY_IBSS;
tmp_cap = le16_to_cpu(adhoc_start->cap_info_bitmap);
tmp_cap &= ~WLAN_CAPABILITY_ESS;
tmp_cap |= WLAN_CAPABILITY_IBSS;
/* Set up privacy in bss_desc */
if (priv->sec_info.encryption_mode) {
/* Ad-Hoc capability privacy on */
dev_dbg(adapter->dev,
"info: ADHOC_S_CMD: wep_status set privacy to WEP\n");
bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_8021X_WEP;
tmp_cap |= WLAN_CAPABILITY_PRIVACY;
} else {
dev_dbg(adapter->dev, "info: ADHOC_S_CMD: wep_status NOT set,"
" setting privacy to ACCEPT ALL\n");
bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_ACCEPT_ALL;
}
memset(adhoc_start->data_rate, 0, sizeof(adhoc_start->data_rate));
mwifiex_get_active_data_rates(priv, adhoc_start->data_rate);
if ((adapter->adhoc_start_band & BAND_G) &&
(priv->curr_pkt_filter & HostCmd_ACT_MAC_ADHOC_G_PROTECTION_ON)) {
if (mwifiex_send_cmd_async(priv, HostCmd_CMD_MAC_CONTROL,
HostCmd_ACT_GEN_SET, 0,
&priv->curr_pkt_filter)) {
dev_err(adapter->dev,
"ADHOC_S_CMD: G Protection config failed\n");
return -1;
}
}
/* Find the last non zero */
for (i = 0; i < sizeof(adhoc_start->data_rate); i++)
if (!adhoc_start->data_rate[i])
break;
priv->curr_bss_params.num_of_rates = i;
/* Copy the ad-hoc creating rates into Current BSS rate structure */
memcpy(&priv->curr_bss_params.data_rates,
&adhoc_start->data_rate, priv->curr_bss_params.num_of_rates);
dev_dbg(adapter->dev, "info: ADHOC_S_CMD: rates=%4ph\n",
adhoc_start->data_rate);
dev_dbg(adapter->dev, "info: ADHOC_S_CMD: AD-HOC Start command is ready\n");
if (IS_SUPPORT_MULTI_BANDS(adapter)) {
/* Append a channel TLV */
chan_tlv = (struct mwifiex_ie_types_chan_list_param_set *) pos;
chan_tlv->header.type = cpu_to_le16(TLV_TYPE_CHANLIST);
chan_tlv->header.len =
cpu_to_le16(sizeof(struct mwifiex_chan_scan_param_set));
memset(chan_tlv->chan_scan_param, 0x00,
sizeof(struct mwifiex_chan_scan_param_set));
chan_tlv->chan_scan_param[0].chan_number =
(u8) priv->curr_bss_params.bss_descriptor.channel;
dev_dbg(adapter->dev, "info: ADHOC_S_CMD: TLV Chan = %d\n",
chan_tlv->chan_scan_param[0].chan_number);
chan_tlv->chan_scan_param[0].radio_type
= mwifiex_band_to_radio_type(priv->curr_bss_params.band);
if (adapter->adhoc_start_band & BAND_GN ||
adapter->adhoc_start_band & BAND_AN) {
if (adapter->sec_chan_offset ==
IEEE80211_HT_PARAM_CHA_SEC_ABOVE)
chan_tlv->chan_scan_param[0].radio_type |=
(IEEE80211_HT_PARAM_CHA_SEC_ABOVE << 4);
else if (adapter->sec_chan_offset ==
IEEE80211_HT_PARAM_CHA_SEC_ABOVE)
chan_tlv->chan_scan_param[0].radio_type |=
(IEEE80211_HT_PARAM_CHA_SEC_BELOW << 4);
}
dev_dbg(adapter->dev, "info: ADHOC_S_CMD: TLV Band = %d\n",
chan_tlv->chan_scan_param[0].radio_type);
pos += sizeof(chan_tlv->header) +
sizeof(struct mwifiex_chan_scan_param_set);
cmd_append_size +=
sizeof(chan_tlv->header) +
sizeof(struct mwifiex_chan_scan_param_set);
}
/* Append vendor specific IE TLV */
cmd_append_size += mwifiex_cmd_append_vsie_tlv(priv,
MWIFIEX_VSIE_MASK_ADHOC, &pos);
if (priv->sec_info.wpa_enabled) {
rsn_ie_len = mwifiex_append_rsn_ie_wpa_wpa2(priv, &pos);
if (rsn_ie_len == -1)
return -1;
cmd_append_size += rsn_ie_len;
}
if (adapter->adhoc_11n_enabled) {
/* Fill HT CAPABILITY */
ht_cap = (struct mwifiex_ie_types_htcap *) pos;
memset(ht_cap, 0, sizeof(struct mwifiex_ie_types_htcap));
ht_cap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY);
ht_cap->header.len =
cpu_to_le16(sizeof(struct ieee80211_ht_cap));
radio_type = mwifiex_band_to_radio_type(
priv->adapter->config_bands);
mwifiex_fill_cap_info(priv, radio_type, &ht_cap->ht_cap);
if (adapter->sec_chan_offset ==
IEEE80211_HT_PARAM_CHA_SEC_NONE) {
u16 tmp_ht_cap;
tmp_ht_cap = le16_to_cpu(ht_cap->ht_cap.cap_info);
tmp_ht_cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
tmp_ht_cap &= ~IEEE80211_HT_CAP_SGI_40;
ht_cap->ht_cap.cap_info = cpu_to_le16(tmp_ht_cap);
}
pos += sizeof(struct mwifiex_ie_types_htcap);
cmd_append_size += sizeof(struct mwifiex_ie_types_htcap);
/* Fill HT INFORMATION */
ht_info = (struct mwifiex_ie_types_htinfo *) pos;
memset(ht_info, 0, sizeof(struct mwifiex_ie_types_htinfo));
ht_info->header.type = cpu_to_le16(WLAN_EID_HT_OPERATION);
ht_info->header.len =
cpu_to_le16(sizeof(struct ieee80211_ht_operation));
ht_info->ht_oper.primary_chan =
(u8) priv->curr_bss_params.bss_descriptor.channel;
if (adapter->sec_chan_offset) {
ht_info->ht_oper.ht_param = adapter->sec_chan_offset;
ht_info->ht_oper.ht_param |=
IEEE80211_HT_PARAM_CHAN_WIDTH_ANY;
}
ht_info->ht_oper.operation_mode =
cpu_to_le16(IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
ht_info->ht_oper.basic_set[0] = 0xff;
pos += sizeof(struct mwifiex_ie_types_htinfo);
cmd_append_size +=
sizeof(struct mwifiex_ie_types_htinfo);
}
cmd->size =
cpu_to_le16((u16)(sizeof(struct host_cmd_ds_802_11_ad_hoc_start)
+ S_DS_GEN + cmd_append_size));
if (adapter->adhoc_start_band == BAND_B)
tmp_cap &= ~WLAN_CAPABILITY_SHORT_SLOT_TIME;
else
tmp_cap |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
adhoc_start->cap_info_bitmap = cpu_to_le16(tmp_cap);
return 0;
}
/*
* This function prepares command for association.
*
* This sets the following parameters -
* - Peer MAC address
* - Listen interval
* - Beacon interval
* - Capability information
*
* ...and the following TLVs, as required -
* - SSID TLV
* - PHY TLV
* - SS TLV
* - Rates TLV
* - Authentication TLV
* - Channel TLV
* - WPA/WPA2 IE
* - 11n TLV
* - Vendor specific TLV
* - WMM TLV
* - WAPI IE
* - Generic IE
* - TSF TLV
*
* Preparation also includes -
* - Setting command ID and proper size
* - Ensuring correct endian-ness
*/
int mwifiex_cmd_802_11_associate(struct mwifiex_private *priv,
struct host_cmd_ds_command *cmd,
struct mwifiex_bssdescriptor *bss_desc)
{
struct host_cmd_ds_802_11_associate *assoc = &cmd->params.associate;
struct mwifiex_ie_types_ssid_param_set *ssid_tlv;
struct mwifiex_ie_types_phy_param_set *phy_tlv;
struct mwifiex_ie_types_ss_param_set *ss_tlv;
struct mwifiex_ie_types_rates_param_set *rates_tlv;
struct mwifiex_ie_types_auth_type *auth_tlv;
struct mwifiex_ie_types_chan_list_param_set *chan_tlv;
u8 rates[MWIFIEX_SUPPORTED_RATES];
u32 rates_size;
u16 tmp_cap;
u8 *pos;
int rsn_ie_len = 0;
pos = (u8 *) assoc;
cmd->command = cpu_to_le16(HostCmd_CMD_802_11_ASSOCIATE);
/* Save so we know which BSS Desc to use in the response handler */
priv->attempted_bss_desc = bss_desc;
memcpy(assoc->peer_sta_addr,
bss_desc->mac_address, sizeof(assoc->peer_sta_addr));
pos += sizeof(assoc->peer_sta_addr);
/* Set the listen interval */
assoc->listen_interval = cpu_to_le16(priv->listen_interval);
/* Set the beacon period */
assoc->beacon_period = cpu_to_le16(bss_desc->beacon_period);
pos += sizeof(assoc->cap_info_bitmap);
pos += sizeof(assoc->listen_interval);
pos += sizeof(assoc->beacon_period);
pos += sizeof(assoc->dtim_period);
ssid_tlv = (struct mwifiex_ie_types_ssid_param_set *) pos;
ssid_tlv->header.type = cpu_to_le16(WLAN_EID_SSID);
ssid_tlv->header.len = cpu_to_le16((u16) bss_desc->ssid.ssid_len);
memcpy(ssid_tlv->ssid, bss_desc->ssid.ssid,
le16_to_cpu(ssid_tlv->header.len));
pos += sizeof(ssid_tlv->header) + le16_to_cpu(ssid_tlv->header.len);
phy_tlv = (struct mwifiex_ie_types_phy_param_set *) pos;
phy_tlv->header.type = cpu_to_le16(WLAN_EID_DS_PARAMS);
phy_tlv->header.len = cpu_to_le16(sizeof(phy_tlv->fh_ds.ds_param_set));
memcpy(&phy_tlv->fh_ds.ds_param_set,
&bss_desc->phy_param_set.ds_param_set.current_chan,
sizeof(phy_tlv->fh_ds.ds_param_set));
pos += sizeof(phy_tlv->header) + le16_to_cpu(phy_tlv->header.len);
ss_tlv = (struct mwifiex_ie_types_ss_param_set *) pos;
ss_tlv->header.type = cpu_to_le16(WLAN_EID_CF_PARAMS);
ss_tlv->header.len = cpu_to_le16(sizeof(ss_tlv->cf_ibss.cf_param_set));
pos += sizeof(ss_tlv->header) + le16_to_cpu(ss_tlv->header.len);
/* Get the common rates supported between the driver and the BSS Desc */
if (mwifiex_setup_rates_from_bssdesc
(priv, bss_desc, rates, &rates_size))
return -1;
/* Save the data rates into Current BSS state structure */
priv->curr_bss_params.num_of_rates = rates_size;
memcpy(&priv->curr_bss_params.data_rates, rates, rates_size);
/* Setup the Rates TLV in the association command */
rates_tlv = (struct mwifiex_ie_types_rates_param_set *) pos;
rates_tlv->header.type = cpu_to_le16(WLAN_EID_SUPP_RATES);
rates_tlv->header.len = cpu_to_le16((u16) rates_size);
memcpy(rates_tlv->rates, rates, rates_size);
pos += sizeof(rates_tlv->header) + rates_size;
dev_dbg(priv->adapter->dev, "info: ASSOC_CMD: rates size = %d\n",
rates_size);
/* Add the Authentication type to be used for Auth frames */
auth_tlv = (struct mwifiex_ie_types_auth_type *) pos;
auth_tlv->header.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE);
auth_tlv->header.len = cpu_to_le16(sizeof(auth_tlv->auth_type));
if (priv->sec_info.wep_enabled)
auth_tlv->auth_type = cpu_to_le16(
(u16) priv->sec_info.authentication_mode);
else
auth_tlv->auth_type = cpu_to_le16(NL80211_AUTHTYPE_OPEN_SYSTEM);
pos += sizeof(auth_tlv->header) + le16_to_cpu(auth_tlv->header.len);
if (IS_SUPPORT_MULTI_BANDS(priv->adapter) &&
!(ISSUPP_11NENABLED(priv->adapter->fw_cap_info) &&
(!bss_desc->disable_11n) &&
(priv->adapter->config_bands & BAND_GN ||
priv->adapter->config_bands & BAND_AN) &&
(bss_desc->bcn_ht_cap)
)
) {
/* Append a channel TLV for the channel the attempted AP was
found on */
chan_tlv = (struct mwifiex_ie_types_chan_list_param_set *) pos;
chan_tlv->header.type = cpu_to_le16(TLV_TYPE_CHANLIST);
chan_tlv->header.len =
cpu_to_le16(sizeof(struct mwifiex_chan_scan_param_set));
memset(chan_tlv->chan_scan_param, 0x00,
sizeof(struct mwifiex_chan_scan_param_set));
chan_tlv->chan_scan_param[0].chan_number =
(bss_desc->phy_param_set.ds_param_set.current_chan);
dev_dbg(priv->adapter->dev, "info: Assoc: TLV Chan = %d\n",
chan_tlv->chan_scan_param[0].chan_number);
chan_tlv->chan_scan_param[0].radio_type =
mwifiex_band_to_radio_type((u8) bss_desc->bss_band);
dev_dbg(priv->adapter->dev, "info: Assoc: TLV Band = %d\n",
chan_tlv->chan_scan_param[0].radio_type);
pos += sizeof(chan_tlv->header) +
sizeof(struct mwifiex_chan_scan_param_set);
}
if (!priv->wps.session_enable) {
if (priv->sec_info.wpa_enabled || priv->sec_info.wpa2_enabled)
rsn_ie_len = mwifiex_append_rsn_ie_wpa_wpa2(priv, &pos);
if (rsn_ie_len == -1)
return -1;
}
if (ISSUPP_11NENABLED(priv->adapter->fw_cap_info) &&
(!bss_desc->disable_11n) &&
(priv->adapter->config_bands & BAND_GN ||
priv->adapter->config_bands & BAND_AN))
mwifiex_cmd_append_11n_tlv(priv, bss_desc, &pos);
if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info) &&
!bss_desc->disable_11n && !bss_desc->disable_11ac &&
priv->adapter->config_bands & BAND_AAC)
mwifiex_cmd_append_11ac_tlv(priv, bss_desc, &pos);
/* Append vendor specific IE TLV */
mwifiex_cmd_append_vsie_tlv(priv, MWIFIEX_VSIE_MASK_ASSOC, &pos);
mwifiex_wmm_process_association_req(priv, &pos, &bss_desc->wmm_ie,
bss_desc->bcn_ht_cap);
if (priv->sec_info.wapi_enabled && priv->wapi_ie_len)
mwifiex_cmd_append_wapi_ie(priv, &pos);
if (priv->wps.session_enable && priv->wps_ie_len)
mwifiex_cmd_append_wps_ie(priv, &pos);
mwifiex_cmd_append_generic_ie(priv, &pos);
mwifiex_cmd_append_tsf_tlv(priv, &pos, bss_desc);
mwifiex_11h_process_join(priv, &pos, bss_desc);
cmd->size = cpu_to_le16((u16) (pos - (u8 *) assoc) + S_DS_GEN);
/* Set the Capability info at last */
tmp_cap = bss_desc->cap_info_bitmap;
if (priv->adapter->config_bands == BAND_B)
tmp_cap &= ~WLAN_CAPABILITY_SHORT_SLOT_TIME;
tmp_cap &= CAPINFO_MASK;
dev_dbg(priv->adapter->dev, "info: ASSOC_CMD: tmp_cap=%4X CAPINFO_MASK=%4lX\n",
tmp_cap, CAPINFO_MASK);
assoc->cap_info_bitmap = cpu_to_le16(tmp_cap);
return 0;
}
/*
* This function prepares command for ad-hoc join.
*
* Most of the parameters are set up by copying from the target BSS descriptor
* from the scan response.
*
* In addition, the following TLVs are added -
* - Channel TLV
* - Vendor specific IE
* - WPA/WPA2 IE
* - 11n IE
*
* Preparation also includes -
* - Setting command ID and proper size
* - Ensuring correct endian-ness
*/
int
mwifiex_cmd_802_11_ad_hoc_join(struct mwifiex_private *priv,
struct host_cmd_ds_command *cmd,
struct mwifiex_bssdescriptor *bss_desc)
{
int rsn_ie_len = 0;
struct host_cmd_ds_802_11_ad_hoc_join *adhoc_join =
&cmd->params.adhoc_join;
struct mwifiex_ie_types_chan_list_param_set *chan_tlv;
u32 cmd_append_size = 0;
u16 tmp_cap;
u32 i, rates_size = 0;
u16 curr_pkt_filter;
u8 *pos =
(u8 *) adhoc_join +
sizeof(struct host_cmd_ds_802_11_ad_hoc_join);
/* Use G protection */
#define USE_G_PROTECTION 0x02
if (bss_desc->erp_flags & USE_G_PROTECTION) {
curr_pkt_filter =
priv->
curr_pkt_filter | HostCmd_ACT_MAC_ADHOC_G_PROTECTION_ON;
if (mwifiex_send_cmd_async(priv, HostCmd_CMD_MAC_CONTROL,
HostCmd_ACT_GEN_SET, 0,
&curr_pkt_filter)) {
dev_err(priv->adapter->dev,
"ADHOC_J_CMD: G Protection config failed\n");
return -1;
}
}
priv->attempted_bss_desc = bss_desc;
cmd->command = cpu_to_le16(HostCmd_CMD_802_11_AD_HOC_JOIN);
adhoc_join->bss_descriptor.bss_mode = HostCmd_BSS_MODE_IBSS;
adhoc_join->bss_descriptor.beacon_period
= cpu_to_le16(bss_desc->beacon_period);
memcpy(&adhoc_join->bss_descriptor.bssid,
&bss_desc->mac_address, ETH_ALEN);
memcpy(&adhoc_join->bss_descriptor.ssid,
&bss_desc->ssid.ssid, bss_desc->ssid.ssid_len);
memcpy(&adhoc_join->bss_descriptor.phy_param_set,
&bss_desc->phy_param_set,
sizeof(union ieee_types_phy_param_set));
memcpy(&adhoc_join->bss_descriptor.ss_param_set,
&bss_desc->ss_param_set, sizeof(union ieee_types_ss_param_set));
tmp_cap = bss_desc->cap_info_bitmap;
tmp_cap &= CAPINFO_MASK;
dev_dbg(priv->adapter->dev,
"info: ADHOC_J_CMD: tmp_cap=%4X CAPINFO_MASK=%4lX\n",
tmp_cap, CAPINFO_MASK);
/* Information on BSSID descriptor passed to FW */
dev_dbg(priv->adapter->dev, "info: ADHOC_J_CMD: BSSID=%pM, SSID='%s'\n",
adhoc_join->bss_descriptor.bssid,
adhoc_join->bss_descriptor.ssid);
for (i = 0; i < MWIFIEX_SUPPORTED_RATES &&
bss_desc->supported_rates[i]; i++)
;
rates_size = i;
/* Copy Data Rates from the Rates recorded in scan response */
memset(adhoc_join->bss_descriptor.data_rates, 0,
sizeof(adhoc_join->bss_descriptor.data_rates));
memcpy(adhoc_join->bss_descriptor.data_rates,
bss_desc->supported_rates, rates_size);
/* Copy the adhoc join rates into Current BSS state structure */
priv->curr_bss_params.num_of_rates = rates_size;
memcpy(&priv->curr_bss_params.data_rates, bss_desc->supported_rates,
rates_size);
/* Copy the channel information */
priv->curr_bss_params.bss_descriptor.channel = bss_desc->channel;
priv->curr_bss_params.band = (u8) bss_desc->bss_band;
if (priv->sec_info.wep_enabled || priv->sec_info.wpa_enabled)
tmp_cap |= WLAN_CAPABILITY_PRIVACY;
if (IS_SUPPORT_MULTI_BANDS(priv->adapter)) {
/* Append a channel TLV */
chan_tlv = (struct mwifiex_ie_types_chan_list_param_set *) pos;
chan_tlv->header.type = cpu_to_le16(TLV_TYPE_CHANLIST);
chan_tlv->header.len =
cpu_to_le16(sizeof(struct mwifiex_chan_scan_param_set));
memset(chan_tlv->chan_scan_param, 0x00,
sizeof(struct mwifiex_chan_scan_param_set));
chan_tlv->chan_scan_param[0].chan_number =
(bss_desc->phy_param_set.ds_param_set.current_chan);
dev_dbg(priv->adapter->dev, "info: ADHOC_J_CMD: TLV Chan=%d\n",
chan_tlv->chan_scan_param[0].chan_number);
chan_tlv->chan_scan_param[0].radio_type =
mwifiex_band_to_radio_type((u8) bss_desc->bss_band);
dev_dbg(priv->adapter->dev, "info: ADHOC_J_CMD: TLV Band=%d\n",
chan_tlv->chan_scan_param[0].radio_type);
pos += sizeof(chan_tlv->header) +
sizeof(struct mwifiex_chan_scan_param_set);
cmd_append_size += sizeof(chan_tlv->header) +
sizeof(struct mwifiex_chan_scan_param_set);
}
if (priv->sec_info.wpa_enabled)
rsn_ie_len = mwifiex_append_rsn_ie_wpa_wpa2(priv, &pos);
if (rsn_ie_len == -1)
return -1;
cmd_append_size += rsn_ie_len;
if (ISSUPP_11NENABLED(priv->adapter->fw_cap_info))
cmd_append_size += mwifiex_cmd_append_11n_tlv(priv,
bss_desc, &pos);
/* Append vendor specific IE TLV */
cmd_append_size += mwifiex_cmd_append_vsie_tlv(priv,
MWIFIEX_VSIE_MASK_ADHOC, &pos);
cmd->size = cpu_to_le16
((u16) (sizeof(struct host_cmd_ds_802_11_ad_hoc_join)
+ S_DS_GEN + cmd_append_size));
adhoc_join->bss_descriptor.cap_info_bitmap = cpu_to_le16(tmp_cap);
return 0;
}
/*
* This function sends domain information to the firmware.
*
* The following information are passed to the firmware -
* - Country codes
* - Sub bands (first channel, number of channels, maximum Tx power)
*/
static int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy)
{
u8 no_of_triplet = 0;
struct ieee80211_country_ie_triplet *t;
u8 no_of_parsed_chan = 0;
u8 first_chan = 0, next_chan = 0, max_pwr = 0;
u8 i, flag = 0;
enum ieee80211_band band;
struct ieee80211_supported_band *sband;
struct ieee80211_channel *ch;
struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
struct mwifiex_private *priv;
struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg;
/* Set country code */
domain_info->country_code[0] = adapter->country_code[0];
domain_info->country_code[1] = adapter->country_code[1];
domain_info->country_code[2] = ' ';
band = mwifiex_band_to_radio_type(adapter->config_bands);
if (!wiphy->bands[band]) {
wiphy_err(wiphy, "11D: setting domain info in FW\n");
return -1;
}
sband = wiphy->bands[band];
for (i = 0; i < sband->n_channels ; i++) {
ch = &sband->channels[i];
if (ch->flags & IEEE80211_CHAN_DISABLED)
continue;
if (!flag) {
flag = 1;
first_chan = (u32) ch->hw_value;
next_chan = first_chan;
max_pwr = ch->max_power;
no_of_parsed_chan = 1;
continue;
}
if (ch->hw_value == next_chan + 1 &&
ch->max_power == max_pwr) {
next_chan++;
no_of_parsed_chan++;
} else {
t = &domain_info->triplet[no_of_triplet];
t->chans.first_channel = first_chan;
t->chans.num_channels = no_of_parsed_chan;
t->chans.max_power = max_pwr;
no_of_triplet++;
first_chan = (u32) ch->hw_value;
next_chan = first_chan;
max_pwr = ch->max_power;
no_of_parsed_chan = 1;
}
}
if (flag) {
t = &domain_info->triplet[no_of_triplet];
t->chans.first_channel = first_chan;
t->chans.num_channels = no_of_parsed_chan;
t->chans.max_power = max_pwr;
no_of_triplet++;
}
domain_info->no_of_triplet = no_of_triplet;
priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
if (mwifiex_send_cmd_async(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
HostCmd_ACT_GEN_SET, 0, NULL)) {
wiphy_err(wiphy, "11D: setting domain info in FW\n");
return -1;
}
return 0;
}
/*
* In Ad-Hoc mode, the IBSS is created if not found in scan list.
* In both Ad-Hoc and infra mode, an deauthentication is performed
* first.
*/
int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss,
struct cfg80211_ssid *req_ssid)
{
int ret;
struct mwifiex_adapter *adapter = priv->adapter;
struct mwifiex_bssdescriptor *bss_desc = NULL;
priv->scan_block = false;
if (bss) {
mwifiex_process_country_ie(priv, bss);
/* Allocate and fill new bss descriptor */
bss_desc = kzalloc(sizeof(struct mwifiex_bssdescriptor),
GFP_KERNEL);
if (!bss_desc)
return -ENOMEM;
ret = mwifiex_fill_new_bss_desc(priv, bss, bss_desc);
if (ret)
goto done;
}
if (priv->bss_mode == NL80211_IFTYPE_STATION ||
priv->bss_mode == NL80211_IFTYPE_P2P_CLIENT) {
u8 config_bands;
ret = mwifiex_deauthenticate(priv, NULL);
if (ret)
goto done;
if (!bss_desc)
return -1;
if (mwifiex_band_to_radio_type(bss_desc->bss_band) ==
HostCmd_SCAN_RADIO_TYPE_BG)
config_bands = BAND_B | BAND_G | BAND_GN;
else
config_bands = BAND_A | BAND_AN | BAND_AAC;
if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands))
adapter->config_bands = config_bands;
ret = mwifiex_check_network_compatibility(priv, bss_desc);
if (ret)
goto done;
if (mwifiex_11h_get_csa_closed_channel(priv) ==
(u8)bss_desc->channel) {
dev_err(adapter->dev,
"Attempt to reconnect on csa closed chan(%d)\n",
bss_desc->channel);
goto done;
}
dev_dbg(adapter->dev, "info: SSID found in scan list ... "
"associating...\n");
mwifiex_stop_net_dev_queue(priv->netdev, adapter);
if (netif_carrier_ok(priv->netdev))
netif_carrier_off(priv->netdev);
/* Clear any past association response stored for
* application retrieval */
priv->assoc_rsp_size = 0;
ret = mwifiex_associate(priv, bss_desc);
/* If auth type is auto and association fails using open mode,
* try to connect using shared mode */
if (ret == WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG &&
priv->sec_info.is_authtype_auto &&
priv->sec_info.wep_enabled) {
priv->sec_info.authentication_mode =
NL80211_AUTHTYPE_SHARED_KEY;
ret = mwifiex_associate(priv, bss_desc);
}
if (bss)
cfg80211_put_bss(priv->adapter->wiphy, bss);
} else {
/* Adhoc mode */
/* If the requested SSID matches current SSID, return */
if (bss_desc && bss_desc->ssid.ssid_len &&
(!mwifiex_ssid_cmp(&priv->curr_bss_params.bss_descriptor.
ssid, &bss_desc->ssid))) {
ret = 0;
goto done;
}
/* Exit Adhoc mode first */
dev_dbg(adapter->dev, "info: Sending Adhoc Stop\n");
ret = mwifiex_deauthenticate(priv, NULL);
if (ret)
goto done;
priv->adhoc_is_link_sensed = false;
ret = mwifiex_check_network_compatibility(priv, bss_desc);
mwifiex_stop_net_dev_queue(priv->netdev, adapter);
if (netif_carrier_ok(priv->netdev))
netif_carrier_off(priv->netdev);
if (!ret) {
dev_dbg(adapter->dev, "info: network found in scan"
" list. Joining...\n");
ret = mwifiex_adhoc_join(priv, bss_desc);
if (bss)
cfg80211_put_bss(priv->adapter->wiphy, bss);
} else {
dev_dbg(adapter->dev, "info: Network not found in "
"the list, creating adhoc with ssid = %s\n",
req_ssid->ssid);
ret = mwifiex_adhoc_start(priv, req_ssid);
}
}
done:
/* beacon_ie buffer was allocated in function
* mwifiex_fill_new_bss_desc(). Free it now.
*/
if (bss_desc)
kfree(bss_desc->beacon_buf);
kfree(bss_desc);
return ret;
}
int
mwifiex_drv_change_adhoc_chan(struct mwifiex_private *priv, u16 channel)
{
int ret;
struct mwifiex_bss_info bss_info;
struct mwifiex_ssid_bssid ssid_bssid;
u16 curr_chan = 0;
struct cfg80211_bss *bss = NULL;
struct ieee80211_channel *chan;
enum ieee80211_band band;
memset(&bss_info, 0, sizeof(bss_info));
if (mwifiex_get_bss_info(priv, &bss_info))
return -1;
ret = mwifiex_bss_ioctl_ibss_channel(priv, HostCmd_ACT_GEN_GET,
&curr_chan);
if (curr_chan == channel) {
ret = 0;
goto done;
}
dev_dbg(priv->adapter->dev, "cmd: updating channel from %d to %d\n",
curr_chan, channel);
if (!bss_info.media_connected) {
ret = 0;
goto done;
}
memset(&ssid_bssid, 0, ETH_ALEN);
ret = mwifiex_deauthenticate(priv, ssid_bssid.bssid);
ret = mwifiex_bss_ioctl_ibss_channel(priv, HostCmd_ACT_GEN_SET,
&channel);
if (mwifiex_request_scan(priv, &bss_info.ssid)) {
ret = -1;
goto done;
}
band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
chan = __ieee80211_get_channel(priv->wdev->wiphy,
ieee80211_channel_to_frequency(channel,
band));
bss = cfg80211_get_bss(priv->wdev->wiphy, chan, bss_info.bssid,
bss_info.ssid.ssid, bss_info.ssid.ssid_len,
WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
if (!bss)
wiphy_warn(priv->wdev->wiphy, "assoc: bss %pM not in scan results\n",
bss_info.bssid);
ret = mwifiex_bss_start(priv, bss, &bss_info.ssid);
done:
return ret;
}
/*
* This function fills bss descriptor structure using provided
* information.
* beacon_ie buffer is allocated in this function. It is caller's
* responsibility to free the memory.
*/
int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv,
struct cfg80211_bss *bss,
struct mwifiex_bssdescriptor *bss_desc)
{
u8 *beacon_ie;
size_t beacon_ie_len;
struct mwifiex_bss_priv *bss_priv = (void *)bss->priv;
const struct cfg80211_bss_ies *ies;
int ret;
rcu_read_lock();
ies = rcu_dereference(bss->ies);
beacon_ie = kmemdup(ies->data, ies->len, GFP_ATOMIC);
beacon_ie_len = ies->len;
bss_desc->timestamp = ies->tsf;
rcu_read_unlock();
if (!beacon_ie) {
mwifiex_dbg(priv->adapter, ERROR,
" failed to alloc beacon_ie\n");
return -ENOMEM;
}
memcpy(bss_desc->mac_address, bss->bssid, ETH_ALEN);
bss_desc->rssi = bss->signal;
/* The caller of this function will free beacon_ie */
bss_desc->beacon_buf = beacon_ie;
bss_desc->beacon_buf_size = beacon_ie_len;
bss_desc->beacon_period = bss->beacon_interval;
bss_desc->cap_info_bitmap = bss->capability;
bss_desc->bss_band = bss_priv->band;
bss_desc->fw_tsf = bss_priv->fw_tsf;
if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_PRIVACY) {
mwifiex_dbg(priv->adapter, INFO,
"info: InterpretIE: AP WEP enabled\n");
bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_8021X_WEP;
} else {
bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_ACCEPT_ALL;
}
if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_IBSS)
bss_desc->bss_mode = NL80211_IFTYPE_ADHOC;
else
bss_desc->bss_mode = NL80211_IFTYPE_STATION;
/* Disable 11ac by default. Enable it only where there
* exist VHT_CAP IE in AP beacon
*/
bss_desc->disable_11ac = true;
if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_SPECTRUM_MGMT)
bss_desc->sensed_11h = true;
ret = mwifiex_update_bss_desc_with_ie(priv->adapter, bss_desc);
if (ret)
return ret;
/* Update HT40 capability based on current channel information */
if (bss_desc->bcn_ht_oper && bss_desc->bcn_ht_cap) {
u8 ht_param = bss_desc->bcn_ht_oper->ht_param;
u8 radio = mwifiex_band_to_radio_type(bss_desc->bss_band);
struct ieee80211_supported_band *sband =
priv->wdev.wiphy->bands[radio];
int freq = ieee80211_channel_to_frequency(bss_desc->channel,
radio);
struct ieee80211_channel *chan =
ieee80211_get_channel(priv->adapter->wiphy, freq);
switch (ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET) {
case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
if (chan->flags & IEEE80211_CHAN_NO_HT40PLUS) {
sband->ht_cap.cap &=
~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
sband->ht_cap.cap &= ~IEEE80211_HT_CAP_SGI_40;
} else {
sband->ht_cap.cap |=
IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
IEEE80211_HT_CAP_SGI_40;
}
break;
case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
if (chan->flags & IEEE80211_CHAN_NO_HT40MINUS) {
sband->ht_cap.cap &=
~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
sband->ht_cap.cap &= ~IEEE80211_HT_CAP_SGI_40;
} else {
sband->ht_cap.cap |=
IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
IEEE80211_HT_CAP_SGI_40;
}
break;
}
}
return 0;
}
int
mwifiex_cmd_802_11_ad_hoc_start(struct mwifiex_private *priv,
struct host_cmd_ds_command *cmd,
struct cfg80211_ssid *req_ssid)
{
int rsn_ie_len = 0;
struct mwifiex_adapter *adapter = priv->adapter;
struct host_cmd_ds_802_11_ad_hoc_start *adhoc_start =
&cmd->params.adhoc_start;
struct mwifiex_bssdescriptor *bss_desc;
u32 cmd_append_size = 0;
u32 i;
u16 tmp_cap;
struct mwifiex_ie_types_chan_list_param_set *chan_tlv;
u8 radio_type;
struct mwifiex_ie_types_htcap *ht_cap;
struct mwifiex_ie_types_htinfo *ht_info;
u8 *pos = (u8 *) adhoc_start +
sizeof(struct host_cmd_ds_802_11_ad_hoc_start);
if (!adapter)
return -1;
cmd->command = cpu_to_le16(HostCmd_CMD_802_11_AD_HOC_START);
bss_desc = &priv->curr_bss_params.bss_descriptor;
priv->attempted_bss_desc = bss_desc;
memset(adhoc_start->ssid, 0, IEEE80211_MAX_SSID_LEN);
memcpy(adhoc_start->ssid, req_ssid->ssid, req_ssid->ssid_len);
dev_dbg(adapter->dev, "info: ADHOC_S_CMD: SSID = %s\n",
adhoc_start->ssid);
memset(bss_desc->ssid.ssid, 0, IEEE80211_MAX_SSID_LEN);
memcpy(bss_desc->ssid.ssid, req_ssid->ssid, req_ssid->ssid_len);
bss_desc->ssid.ssid_len = req_ssid->ssid_len;
adhoc_start->bss_mode = HostCmd_BSS_MODE_IBSS;
bss_desc->bss_mode = NL80211_IFTYPE_ADHOC;
adhoc_start->beacon_period = cpu_to_le16(priv->beacon_period);
bss_desc->beacon_period = priv->beacon_period;
#define DS_PARA_IE_ID 3
#define DS_PARA_IE_LEN 1
adhoc_start->phy_param_set.ds_param_set.element_id = DS_PARA_IE_ID;
adhoc_start->phy_param_set.ds_param_set.len = DS_PARA_IE_LEN;
if (!mwifiex_get_cfp(priv, adapter->adhoc_start_band,
(u16) priv->adhoc_channel, 0)) {
struct mwifiex_chan_freq_power *cfp;
cfp = mwifiex_get_cfp(priv, adapter->adhoc_start_band,
FIRST_VALID_CHANNEL, 0);
if (cfp)
priv->adhoc_channel = (u8) cfp->channel;
}
if (!priv->adhoc_channel) {
dev_err(adapter->dev, "ADHOC_S_CMD: adhoc_channel cannot be 0\n");
return -1;
}
dev_dbg(adapter->dev, "info: ADHOC_S_CMD: creating ADHOC on channel %d\n",
priv->adhoc_channel);
priv->curr_bss_params.bss_descriptor.channel = priv->adhoc_channel;
priv->curr_bss_params.band = adapter->adhoc_start_band;
bss_desc->channel = priv->adhoc_channel;
adhoc_start->phy_param_set.ds_param_set.current_chan =
priv->adhoc_channel;
memcpy(&bss_desc->phy_param_set, &adhoc_start->phy_param_set,
sizeof(union ieee_types_phy_param_set));
#define IBSS_PARA_IE_ID 6
#define IBSS_PARA_IE_LEN 2
adhoc_start->ss_param_set.ibss_param_set.element_id = IBSS_PARA_IE_ID;
adhoc_start->ss_param_set.ibss_param_set.len = IBSS_PARA_IE_LEN;
adhoc_start->ss_param_set.ibss_param_set.atim_window
= cpu_to_le16(priv->atim_window);
memcpy(&bss_desc->ss_param_set, &adhoc_start->ss_param_set,
sizeof(union ieee_types_ss_param_set));
bss_desc->cap_info_bitmap |= WLAN_CAPABILITY_IBSS;
tmp_cap = le16_to_cpu(adhoc_start->cap_info_bitmap);
tmp_cap &= ~WLAN_CAPABILITY_ESS;
tmp_cap |= WLAN_CAPABILITY_IBSS;
if (priv->sec_info.encryption_mode) {
dev_dbg(adapter->dev,
"info: ADHOC_S_CMD: wep_status set privacy to WEP\n");
bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_8021X_WEP;
tmp_cap |= WLAN_CAPABILITY_PRIVACY;
} else {
dev_dbg(adapter->dev, "info: ADHOC_S_CMD: wep_status NOT set,"
" setting privacy to ACCEPT ALL\n");
bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_ACCEPT_ALL;
}
memset(adhoc_start->data_rate, 0, sizeof(adhoc_start->data_rate));
mwifiex_get_active_data_rates(priv, adhoc_start->data_rate);
if ((adapter->adhoc_start_band & BAND_G) &&
(priv->curr_pkt_filter & HostCmd_ACT_MAC_ADHOC_G_PROTECTION_ON)) {
if (mwifiex_send_cmd_async(priv, HostCmd_CMD_MAC_CONTROL,
HostCmd_ACT_GEN_SET, 0,
&priv->curr_pkt_filter)) {
dev_err(adapter->dev,
"ADHOC_S_CMD: G Protection config failed\n");
return -1;
}
}
for (i = 0; i < sizeof(adhoc_start->data_rate); i++)
if (!adhoc_start->data_rate[i])
break;
priv->curr_bss_params.num_of_rates = i;
memcpy(&priv->curr_bss_params.data_rates,
&adhoc_start->data_rate, priv->curr_bss_params.num_of_rates);
dev_dbg(adapter->dev, "info: ADHOC_S_CMD: rates=%02x %02x %02x %02x\n",
adhoc_start->data_rate[0], adhoc_start->data_rate[1],
adhoc_start->data_rate[2], adhoc_start->data_rate[3]);
dev_dbg(adapter->dev, "info: ADHOC_S_CMD: AD-HOC Start command is ready\n");
if (IS_SUPPORT_MULTI_BANDS(adapter)) {
chan_tlv = (struct mwifiex_ie_types_chan_list_param_set *) pos;
chan_tlv->header.type = cpu_to_le16(TLV_TYPE_CHANLIST);
chan_tlv->header.len =
cpu_to_le16(sizeof(struct mwifiex_chan_scan_param_set));
memset(chan_tlv->chan_scan_param, 0x00,
sizeof(struct mwifiex_chan_scan_param_set));
chan_tlv->chan_scan_param[0].chan_number =
(u8) priv->curr_bss_params.bss_descriptor.channel;
dev_dbg(adapter->dev, "info: ADHOC_S_CMD: TLV Chan = %d\n",
chan_tlv->chan_scan_param[0].chan_number);
chan_tlv->chan_scan_param[0].radio_type
= mwifiex_band_to_radio_type(priv->curr_bss_params.band);
if (adapter->adhoc_start_band & BAND_GN ||
adapter->adhoc_start_band & BAND_AN) {
if (adapter->sec_chan_offset ==
IEEE80211_HT_PARAM_CHA_SEC_ABOVE)
chan_tlv->chan_scan_param[0].radio_type |=
(IEEE80211_HT_PARAM_CHA_SEC_ABOVE << 4);
else if (adapter->sec_chan_offset ==
IEEE80211_HT_PARAM_CHA_SEC_ABOVE)
chan_tlv->chan_scan_param[0].radio_type |=
(IEEE80211_HT_PARAM_CHA_SEC_BELOW << 4);
}
dev_dbg(adapter->dev, "info: ADHOC_S_CMD: TLV Band = %d\n",
chan_tlv->chan_scan_param[0].radio_type);
pos += sizeof(chan_tlv->header) +
sizeof(struct mwifiex_chan_scan_param_set);
cmd_append_size +=
sizeof(chan_tlv->header) +
sizeof(struct mwifiex_chan_scan_param_set);
}
cmd_append_size += mwifiex_cmd_append_vsie_tlv(priv,
MWIFIEX_VSIE_MASK_ADHOC, &pos);
if (priv->sec_info.wpa_enabled) {
rsn_ie_len = mwifiex_append_rsn_ie_wpa_wpa2(priv, &pos);
if (rsn_ie_len == -1)
return -1;
cmd_append_size += rsn_ie_len;
}
if (adapter->adhoc_11n_enabled) {
ht_cap = (struct mwifiex_ie_types_htcap *) pos;
memset(ht_cap, 0, sizeof(struct mwifiex_ie_types_htcap));
ht_cap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY);
ht_cap->header.len =
cpu_to_le16(sizeof(struct ieee80211_ht_cap));
radio_type = mwifiex_band_to_radio_type(
priv->adapter->config_bands);
mwifiex_fill_cap_info(priv, radio_type, ht_cap);
pos += sizeof(struct mwifiex_ie_types_htcap);
cmd_append_size += sizeof(struct mwifiex_ie_types_htcap);
ht_info = (struct mwifiex_ie_types_htinfo *) pos;
memset(ht_info, 0, sizeof(struct mwifiex_ie_types_htinfo));
ht_info->header.type = cpu_to_le16(WLAN_EID_HT_INFORMATION);
ht_info->header.len =
cpu_to_le16(sizeof(struct ieee80211_ht_info));
ht_info->ht_info.control_chan =
(u8) priv->curr_bss_params.bss_descriptor.channel;
if (adapter->sec_chan_offset) {
ht_info->ht_info.ht_param = adapter->sec_chan_offset;
ht_info->ht_info.ht_param |=
IEEE80211_HT_PARAM_CHAN_WIDTH_ANY;
}
ht_info->ht_info.operation_mode =
cpu_to_le16(IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
ht_info->ht_info.basic_set[0] = 0xff;
pos += sizeof(struct mwifiex_ie_types_htinfo);
cmd_append_size +=
sizeof(struct mwifiex_ie_types_htinfo);
}
cmd->size =
cpu_to_le16((u16)(sizeof(struct host_cmd_ds_802_11_ad_hoc_start)
+ S_DS_GEN + cmd_append_size));
if (adapter->adhoc_start_band == BAND_B)
tmp_cap &= ~WLAN_CAPABILITY_SHORT_SLOT_TIME;
else
tmp_cap |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
adhoc_start->cap_info_bitmap = cpu_to_le16(tmp_cap);
return 0;
}
int mwifiex_cmd_802_11_associate(struct mwifiex_private *priv,
struct host_cmd_ds_command *cmd,
struct mwifiex_bssdescriptor *bss_desc)
{
struct host_cmd_ds_802_11_associate *assoc = &cmd->params.associate;
struct mwifiex_ie_types_ssid_param_set *ssid_tlv;
struct mwifiex_ie_types_phy_param_set *phy_tlv;
struct mwifiex_ie_types_ss_param_set *ss_tlv;
struct mwifiex_ie_types_rates_param_set *rates_tlv;
struct mwifiex_ie_types_auth_type *auth_tlv;
struct mwifiex_ie_types_chan_list_param_set *chan_tlv;
u8 rates[MWIFIEX_SUPPORTED_RATES];
u32 rates_size;
u16 tmp_cap;
u8 *pos;
int rsn_ie_len = 0;
pos = (u8 *) assoc;
mwifiex_cfg_tx_buf(priv, bss_desc);
cmd->command = cpu_to_le16(HostCmd_CMD_802_11_ASSOCIATE);
priv->attempted_bss_desc = bss_desc;
memcpy(assoc->peer_sta_addr,
bss_desc->mac_address, sizeof(assoc->peer_sta_addr));
pos += sizeof(assoc->peer_sta_addr);
assoc->listen_interval = cpu_to_le16(priv->listen_interval);
assoc->beacon_period = cpu_to_le16(bss_desc->beacon_period);
pos += sizeof(assoc->cap_info_bitmap);
pos += sizeof(assoc->listen_interval);
pos += sizeof(assoc->beacon_period);
pos += sizeof(assoc->dtim_period);
ssid_tlv = (struct mwifiex_ie_types_ssid_param_set *) pos;
ssid_tlv->header.type = cpu_to_le16(WLAN_EID_SSID);
ssid_tlv->header.len = cpu_to_le16((u16) bss_desc->ssid.ssid_len);
memcpy(ssid_tlv->ssid, bss_desc->ssid.ssid,
le16_to_cpu(ssid_tlv->header.len));
pos += sizeof(ssid_tlv->header) + le16_to_cpu(ssid_tlv->header.len);
phy_tlv = (struct mwifiex_ie_types_phy_param_set *) pos;
phy_tlv->header.type = cpu_to_le16(WLAN_EID_DS_PARAMS);
phy_tlv->header.len = cpu_to_le16(sizeof(phy_tlv->fh_ds.ds_param_set));
memcpy(&phy_tlv->fh_ds.ds_param_set,
&bss_desc->phy_param_set.ds_param_set.current_chan,
sizeof(phy_tlv->fh_ds.ds_param_set));
pos += sizeof(phy_tlv->header) + le16_to_cpu(phy_tlv->header.len);
ss_tlv = (struct mwifiex_ie_types_ss_param_set *) pos;
ss_tlv->header.type = cpu_to_le16(WLAN_EID_CF_PARAMS);
ss_tlv->header.len = cpu_to_le16(sizeof(ss_tlv->cf_ibss.cf_param_set));
pos += sizeof(ss_tlv->header) + le16_to_cpu(ss_tlv->header.len);
if (mwifiex_setup_rates_from_bssdesc
(priv, bss_desc, rates, &rates_size))
return -1;
priv->curr_bss_params.num_of_rates = rates_size;
memcpy(&priv->curr_bss_params.data_rates, rates, rates_size);
rates_tlv = (struct mwifiex_ie_types_rates_param_set *) pos;
rates_tlv->header.type = cpu_to_le16(WLAN_EID_SUPP_RATES);
rates_tlv->header.len = cpu_to_le16((u16) rates_size);
memcpy(rates_tlv->rates, rates, rates_size);
pos += sizeof(rates_tlv->header) + rates_size;
dev_dbg(priv->adapter->dev, "info: ASSOC_CMD: rates size = %d\n",
rates_size);
auth_tlv = (struct mwifiex_ie_types_auth_type *) pos;
auth_tlv->header.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE);
auth_tlv->header.len = cpu_to_le16(sizeof(auth_tlv->auth_type));
if (priv->sec_info.wep_enabled)
auth_tlv->auth_type = cpu_to_le16(
(u16) priv->sec_info.authentication_mode);
else
auth_tlv->auth_type = cpu_to_le16(NL80211_AUTHTYPE_OPEN_SYSTEM);
pos += sizeof(auth_tlv->header) + le16_to_cpu(auth_tlv->header.len);
if (IS_SUPPORT_MULTI_BANDS(priv->adapter) &&
!(ISSUPP_11NENABLED(priv->adapter->fw_cap_info) &&
(!bss_desc->disable_11n) &&
(priv->adapter->config_bands & BAND_GN ||
priv->adapter->config_bands & BAND_AN) &&
(bss_desc->bcn_ht_cap)
)
) {
chan_tlv = (struct mwifiex_ie_types_chan_list_param_set *) pos;
chan_tlv->header.type = cpu_to_le16(TLV_TYPE_CHANLIST);
chan_tlv->header.len =
cpu_to_le16(sizeof(struct mwifiex_chan_scan_param_set));
memset(chan_tlv->chan_scan_param, 0x00,
sizeof(struct mwifiex_chan_scan_param_set));
chan_tlv->chan_scan_param[0].chan_number =
(bss_desc->phy_param_set.ds_param_set.current_chan);
dev_dbg(priv->adapter->dev, "info: Assoc: TLV Chan = %d\n",
chan_tlv->chan_scan_param[0].chan_number);
chan_tlv->chan_scan_param[0].radio_type =
mwifiex_band_to_radio_type((u8) bss_desc->bss_band);
dev_dbg(priv->adapter->dev, "info: Assoc: TLV Band = %d\n",
chan_tlv->chan_scan_param[0].radio_type);
pos += sizeof(chan_tlv->header) +
sizeof(struct mwifiex_chan_scan_param_set);
}
if (!priv->wps.session_enable) {
if (priv->sec_info.wpa_enabled || priv->sec_info.wpa2_enabled)
rsn_ie_len = mwifiex_append_rsn_ie_wpa_wpa2(priv, &pos);
if (rsn_ie_len == -1)
return -1;
}
if (ISSUPP_11NENABLED(priv->adapter->fw_cap_info) &&
(!bss_desc->disable_11n) &&
(priv->adapter->config_bands & BAND_GN ||
priv->adapter->config_bands & BAND_AN))
mwifiex_cmd_append_11n_tlv(priv, bss_desc, &pos);
mwifiex_cmd_append_vsie_tlv(priv, MWIFIEX_VSIE_MASK_ASSOC, &pos);
mwifiex_wmm_process_association_req(priv, &pos, &bss_desc->wmm_ie,
bss_desc->bcn_ht_cap);
if (priv->sec_info.wapi_enabled && priv->wapi_ie_len)
mwifiex_cmd_append_wapi_ie(priv, &pos);
mwifiex_cmd_append_generic_ie(priv, &pos);
mwifiex_cmd_append_tsf_tlv(priv, &pos, bss_desc);
cmd->size = cpu_to_le16((u16) (pos - (u8 *) assoc) + S_DS_GEN);
tmp_cap = bss_desc->cap_info_bitmap;
if (priv->adapter->config_bands == BAND_B)
tmp_cap &= ~WLAN_CAPABILITY_SHORT_SLOT_TIME;
tmp_cap &= CAPINFO_MASK;
dev_dbg(priv->adapter->dev, "info: ASSOC_CMD: tmp_cap=%4X CAPINFO_MASK=%4lX\n",
tmp_cap, CAPINFO_MASK);
assoc->cap_info_bitmap = cpu_to_le16(tmp_cap);
return 0;
}
