Google Git
Sign in
chromium / chromiumos / third_party / marvell / refs/heads/stabilize-js-6812.26.B / . / wlan_src / mlan / mlan_join.c
blob: bd503a9d3fd9cfa56f2d52fa08b92a970a9fb241 [file] [log] [blame]
/** @file mlan_join.c
*
* @brief Functions implementing wlan infrastructure and adhoc join routines
*
* IOCTL handlers as well as command preparation and response routines
* for sending adhoc start, adhoc join, and association commands
* to the firmware.
*
* Copyright (C) 2008-2009, Marvell International Ltd.
* All Rights Reserved
*
* @sa mlan_join.h
*/
/******************************************************
Change log:
10/30/2008: initial version
******************************************************/
#include "mlan.h"
#include "mlan_join.h"
#include "mlan_util.h"
#include "mlan_fw.h"
#include "mlan_main.h"
#include "mlan_wmm.h"
#include "mlan_11n.h"
#include "mlan_11h.h"
/********************************************************
Local Constants
********************************************************/
/********************************************************
Local Variables
********************************************************/
/********************************************************
Global Variables
********************************************************/
/********************************************************
Local Functions
********************************************************/
/**
* @brief Append a generic IE as a pass through TLV to a TLV buffer.
*
* This function is called from the network join command prep. routine.
* If the IE buffer has been setup by the application, this routine appends
* the buffer as a pass through TLV type to the request.
*
* @param priv A pointer to mlan_private structure
* @param ppbuffer pointer to command buffer pointer
*
* @return bytes added to the buffer
*/
static int
wlan_cmd_append_generic_ie(mlan_private * priv, t_u8 ** ppbuffer)
{
int ret_len = 0;
MrvlIEtypesHeader_t ie_header;
/* Null Checks */
if (!ppbuffer)
return 0;
if (!(*ppbuffer))
return 0;
/*
* If there is a generic ie buffer setup, append it to the return
* parameter buffer pointer.
*/
if (priv->gen_ie_buf_len) {
PRINTM(MINFO, "append generic %d to %p\n", priv->gen_ie_buf_len,
*ppbuffer);
/* Wrap the generic IE buffer with a pass through TLV type */
ie_header.type = wlan_cpu_to_le16(TLV_TYPE_PASSTHROUGH);
ie_header.len = wlan_cpu_to_le16(priv->gen_ie_buf_len);
memcpy(*ppbuffer, &ie_header, sizeof(ie_header));
/* Increment the return size and the return buffer pointer param */
*ppbuffer += sizeof(ie_header);
ret_len += sizeof(ie_header);
/* Copy the generic IE buffer to the output buffer, advance pointer */
memcpy(*ppbuffer, priv->gen_ie_buf, priv->gen_ie_buf_len);
/* Increment the return size and the return buffer pointer param */
*ppbuffer += priv->gen_ie_buf_len;
ret_len += priv->gen_ie_buf_len;
/* Reset the generic IE buffer */
priv->gen_ie_buf_len = 0;
}
/* return the length appended to the buffer */
return ret_len;
}
/**
* @brief Append TSF tracking info from the scan table for the target AP
*
* This function is called from the network join command prep. routine.
* The TSF table TSF sent to the firmware contains two TSF values:
* - the TSF of the target AP from its previous beacon/probe response
* - the TSF timestamp of our local MAC at the time we observed the
* beacon/probe response.
*
* The firmware uses the timestamp values to set an initial TSF value
* in the MAC for the new association after a reassociation attempt.
*
* @param pmpriv A pointer to mlan_private structure
* @param ppbuffer A pointer to command buffer pointer
* @param pbss_desc A pointer to the BSS Descriptor from the scan table of
* the AP we are trying to join
*
* @return bytes added to the buffer
*/
static int
wlan_cmd_append_tsf_tlv(mlan_private * pmriv, t_u8 ** ppbuffer,
BSSDescriptor_t * pbss_desc)
{
MrvlIEtypes_TsfTimestamp_t tsf_tlv;
t_u64 tsf_val;
/* Null Checks */
if (ppbuffer == 0)
return 0;
if (*ppbuffer == 0)
return 0;
memset(&tsf_tlv, 0x00, sizeof(MrvlIEtypes_TsfTimestamp_t));
tsf_tlv.header.type = wlan_cpu_to_le16(TLV_TYPE_TSFTIMESTAMP);
tsf_tlv.header.len = wlan_cpu_to_le16(2 * sizeof(tsf_val));
memcpy(*ppbuffer, &tsf_tlv, sizeof(tsf_tlv.header));
*ppbuffer += sizeof(tsf_tlv.header);
/* TSF timestamp from the firmware TSF when the bcn/prb rsp was received */
tsf_val = wlan_cpu_to_le64(pbss_desc->network_tsf);
memcpy(*ppbuffer, &tsf_val, sizeof(tsf_val));
*ppbuffer += sizeof(tsf_val);
memcpy(&tsf_val, pbss_desc->time_stamp, sizeof(tsf_val));
PRINTM(MINFO, "ASSOC: TSF offset calc: %016llx - %016llx\n",
tsf_val, pbss_desc->network_tsf);
memcpy(*ppbuffer, &tsf_val, sizeof(tsf_val));
*ppbuffer += sizeof(tsf_val);
return (sizeof(tsf_tlv.header) + (2 * sizeof(tsf_val)));
}
/**
* @brief This function finds out the common rates between rate1 and rate2.
*
* It will fill common rates in rate1 as output if found.
*
* NOTE: Setting the MSB of the basic rates needs to be taken
* care of, either before or after calling this function
*
* @param pmpriv A pointer to mlan_private structure
* @param rate1 the buffer which keeps input and output
* @param rate1_size the size of rate1 buffer
* @param rate2 the buffer which keeps rate2
* @param rate2_size the size of rate2 buffer.
*
* @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE
*/
static mlan_status
wlan_get_common_rates(IN mlan_private * pmpriv,
IN t_u8 * rate1,
IN t_u32 rate1_size, IN t_u8 * rate2, IN t_u32 rate2_size)
{
mlan_status ret = MLAN_STATUS_SUCCESS;
mlan_callbacks *pcb = (mlan_callbacks *) & pmpriv->adapter->callbacks;
t_u8 *ptr = rate1;
t_u8 *tmp = MNULL;
t_u32 i, j;
ENTER();
ret = pcb->moal_malloc(rate1_size, &tmp);
if (ret != MLAN_STATUS_SUCCESS || !tmp) {
PRINTM(MERROR, "Failed to allocate buffer\n");
ret = MLAN_STATUS_FAILURE;
goto done;
}
memcpy(tmp, rate1, rate1_size);
memset(rate1, 0, rate1_size);
for (i = 0; rate2[i] && i < rate2_size; i++) {
for (j = 0; tmp[j] && j < rate1_size; j++) {
/* Check common rate, excluding the bit for basic rate */
if ((rate2[i] & 0x7F) == (tmp[j] & 0x7F)) {
*rate1++ = tmp[j];
break;
}
}
}
HEXDUMP("rate1 (AP) Rates", tmp, rate1_size);
HEXDUMP("rate2 (Card) Rates", rate2, rate2_size);
HEXDUMP("Common Rates", ptr, rate1 - ptr);
PRINTM(MINFO, "Tx DataRate is set to 0x%X\n", pmpriv->data_rate);
if (!pmpriv->is_data_rate_auto) {
while (*ptr) {
if ((*ptr & 0x7f) == pmpriv->data_rate) {
ret = MLAN_STATUS_SUCCESS;
goto done;
}
ptr++;
}
PRINTM(MMSG, "Previously set fixed data rate %#x is not "
"compatible with the network\n", pmpriv->data_rate);
ret = MLAN_STATUS_FAILURE;
goto done;
}
ret = MLAN_STATUS_SUCCESS;
done:
if (tmp)
pcb->moal_mfree(tmp);
LEAVE();
return ret;
}
/**
* @brief Create the intersection of the rates supported by a target BSS and
* our pmadapter settings for use in an assoc/join command.
*
* @param pmpriv A pointer to mlan_private structure
* @param pbss_desc BSS Descriptor whose rates are used in the setup
* @param pout_rates Output: Octet array of rates common between the BSS
* and the pmadapter supported rates settings
* @param pout_rates_size Output: Number of rates/octets set in pout_rates
*
* @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE
*/
static mlan_status
wlan_setup_rates_from_bssdesc(IN mlan_private * pmpriv,
IN BSSDescriptor_t * pbss_desc,
OUT t_u8 * pout_rates,
OUT t_u32 * pout_rates_size)
{
t_u8 card_rates[WLAN_SUPPORTED_RATES];
t_u32 card_rates_size = 0;
ENTER();
/* Copy AP supported rates */
memcpy(pout_rates, pbss_desc->supported_rates, WLAN_SUPPORTED_RATES);
/* Get the STA supported rates */
card_rates_size = wlan_get_active_data_rates(pmpriv, card_rates);
/* Get the common rates between AP and STA supported rates */
if (wlan_get_common_rates(pmpriv, pout_rates, WLAN_SUPPORTED_RATES,
card_rates, card_rates_size)) {
*pout_rates_size = 0;
PRINTM(MERROR, "wlan_get_common_rates failed\n");
LEAVE();
return MLAN_STATUS_FAILURE;
}
*pout_rates_size =
MIN(wlan_strlen((char *) pout_rates), WLAN_SUPPORTED_RATES);
LEAVE();
return MLAN_STATUS_SUCCESS;
}
/**
* @brief Update the scan entry TSF timestamps to reflect a new association
*
* @param pmpriv A pointer to mlan_private structure
* @param pnew_bss_desc A pointer to the newly associated AP's scan table entry
*
* @return N/A
*/
static t_void
wlan_update_tsf_timestamps(IN mlan_private * pmpriv,
IN BSSDescriptor_t * pnew_bss_desc)
{
mlan_adapter *pmadapter = pmpriv->adapter;
t_u32 table_idx;
t_u64 new_tsf_base;
t_s64 tsf_delta;
ENTER();
memcpy(&new_tsf_base, pnew_bss_desc->time_stamp, sizeof(new_tsf_base));
tsf_delta = new_tsf_base - pnew_bss_desc->network_tsf;
PRINTM(MINFO, "TSF: Update TSF timestamps, 0x%016llx -> 0x%016llx\n",
pnew_bss_desc->network_tsf, new_tsf_base);
for (table_idx = 0; table_idx < pmadapter->num_in_scan_table; table_idx++) {
pmadapter->pscan_table[table_idx].network_tsf += tsf_delta;
}
LEAVE();
}
/**
* @brief Append a wapi IE
*
* This function is called from the network join command prep. routine.
* If the IE buffer has been setup by the application, this routine appends
* the buffer as a wapi TLV type to the request.
*
* @param priv A pointer to mlan_private structure
* @param ppBuffer pointer to command buffer pointer
*
* @return bytes added to the buffer
*/
static int
wlan_cmd_append_wapi_ie(mlan_private * priv, t_u8 ** ppBuffer)
{
int retLen = 0;
MrvlIEtypesHeader_t ie_header;
/* Null Checks */
if (ppBuffer == 0)
return 0;
if (*ppBuffer == 0)
return 0;
/*
* If there is a wapi ie buffer setup, append it to the return
* parameter buffer pointer.
*/
if (priv->wapi_ie_len) {
PRINTM(MCMND, "append wapi ie %d to %p\n", priv->wapi_ie_len,
*ppBuffer);
/* Wrap the generic IE buffer with a pass through TLV type */
ie_header.type = wlan_cpu_to_le16(TLV_TYPE_WAPI_IE);
ie_header.len = wlan_cpu_to_le16(priv->wapi_ie_len);
memcpy(*ppBuffer, &ie_header, sizeof(ie_header));
/* Increment the return size and the return buffer pointer param */
*ppBuffer += sizeof(ie_header);
retLen += sizeof(ie_header);
/* Copy the wapi IE buffer to the output buffer, advance pointer */
memcpy(*ppBuffer, priv->wapi_ie, priv->wapi_ie_len);
/* Increment the return size and the return buffer pointer param */
*ppBuffer += priv->wapi_ie_len;
retLen += priv->wapi_ie_len;
}
/* return the length appended to the buffer */
return retLen;
}
/********************************************************
Global Functions
********************************************************/
/**
* @brief This function prepares command of association.
*
* @param pmpriv A pointer to mlan_private structure
* @param cmd A pointer to HostCmd_DS_COMMAND structure
* @param pdata_buf A pointer cast of BSSDescriptor_t from the
* scan table to assoc
*
* @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE
*/
mlan_status
wlan_cmd_802_11_associate(IN mlan_private * pmpriv,
IN HostCmd_DS_COMMAND * cmd, IN t_void * pdata_buf)
{
mlan_status ret = MLAN_STATUS_SUCCESS;
HostCmd_DS_802_11_ASSOCIATE *passo = &cmd->params.associate;
BSSDescriptor_t *pbss_desc;
MrvlIEtypes_SsIdParamSet_t *pssid_tlv;
MrvlIEtypes_PhyParamSet_t *pphy_tlv;
MrvlIEtypes_SsParamSet_t *pss_tlv;
MrvlIEtypes_RatesParamSet_t *prates_tlv;
MrvlIEtypes_AuthType_t *pauth_tlv;
MrvlIEtypes_RsnParamSet_t *prsn_ie_tlv;
MrvlIEtypes_ChanListParamSet_t *pchan_tlv;
WLAN_802_11_RATES rates;
t_u32 rates_size;
t_u16 tmp_cap;
t_u8 *pos;
ENTER();
pbss_desc = (BSSDescriptor_t *) pdata_buf;
pos = (t_u8 *) passo;
wlan_cfg_tx_buf(pmpriv, pbss_desc);
cmd->command = wlan_cpu_to_le16(HostCmd_CMD_802_11_ASSOCIATE);
/* Save so we know which BSS Desc to use in the response handler */
pmpriv->pattempted_bss_desc = pbss_desc;
memcpy(passo->peer_sta_addr,
pbss_desc->mac_address, sizeof(passo->peer_sta_addr));
pos += sizeof(passo->peer_sta_addr);
/* Set the listen interval */
passo->listen_interval = wlan_cpu_to_le16(pmpriv->listen_interval);
/* Set the beacon period */
passo->beacon_period = wlan_cpu_to_le16(pbss_desc->beacon_period);
pos += sizeof(passo->cap_info);
pos += sizeof(passo->listen_interval);
pos += sizeof(passo->beacon_period);
pos += sizeof(passo->dtim_period);
pssid_tlv = (MrvlIEtypes_SsIdParamSet_t *) pos;
pssid_tlv->header.type = wlan_cpu_to_le16(TLV_TYPE_SSID);
pssid_tlv->header.len = (t_u16) pbss_desc->ssid.ssid_len;
memcpy(pssid_tlv->ssid, pbss_desc->ssid.ssid, pssid_tlv->header.len);
pos += sizeof(pssid_tlv->header) + pssid_tlv->header.len;
pssid_tlv->header.len = wlan_cpu_to_le16(pssid_tlv->header.len);
pphy_tlv = (MrvlIEtypes_PhyParamSet_t *) pos;
pphy_tlv->header.type = wlan_cpu_to_le16(TLV_TYPE_PHY_DS);
pphy_tlv->header.len = sizeof(pphy_tlv->fh_ds.ds_param_set);
memcpy(&pphy_tlv->fh_ds.ds_param_set,
&pbss_desc->phy_param_set.ds_param_set.current_chan,
sizeof(pphy_tlv->fh_ds.ds_param_set));
pos += sizeof(pphy_tlv->header) + pphy_tlv->header.len;
pphy_tlv->header.len = wlan_cpu_to_le16(pphy_tlv->header.len);
pss_tlv = (MrvlIEtypes_SsParamSet_t *) pos;
pss_tlv->header.type = wlan_cpu_to_le16(TLV_TYPE_CF);
pss_tlv->header.len = sizeof(pss_tlv->cf_ibss.cf_param_set);
pos += sizeof(pss_tlv->header) + pss_tlv->header.len;
pss_tlv->header.len = wlan_cpu_to_le16(pss_tlv->header.len);
/* Get the common rates supported between the driver and the BSS Desc */
if (wlan_setup_rates_from_bssdesc(pmpriv, pbss_desc, rates, &rates_size)) {
ret = MLAN_STATUS_FAILURE;
goto done;
}
/* Save the data rates into Current BSS state structure */
pmpriv->curr_bss_params.num_of_rates = rates_size;
memcpy(&pmpriv->curr_bss_params.data_rates, rates, rates_size);
/* Setup the Rates TLV in the association command */
prates_tlv = (MrvlIEtypes_RatesParamSet_t *) pos;
prates_tlv->header.type = wlan_cpu_to_le16(TLV_TYPE_RATES);
prates_tlv->header.len = wlan_cpu_to_le16((t_u16) rates_size);
memcpy(prates_tlv->rates, rates, rates_size);
pos += sizeof(prates_tlv->header) + rates_size;
PRINTM(MINFO, "ASSOC_CMD: Rates size = %d\n", rates_size);
/* Add the Authentication type to be used for Auth frames if needed */
if (pmpriv->sec_info.authentication_mode != MLAN_AUTH_MODE_AUTO) {
pauth_tlv = (MrvlIEtypes_AuthType_t *) pos;
pauth_tlv->header.type = wlan_cpu_to_le16(TLV_TYPE_AUTH_TYPE);
pauth_tlv->header.len = sizeof(pauth_tlv->auth_type);
if (pmpriv->sec_info.wep_status == Wlan802_11WEPEnabled)
pauth_tlv->auth_type =
wlan_cpu_to_le16((t_u16) pmpriv->sec_info.authentication_mode);
else
pauth_tlv->auth_type = wlan_cpu_to_le16(MLAN_AUTH_MODE_OPEN);
pos += sizeof(pauth_tlv->header) + pauth_tlv->header.len;
pauth_tlv->header.len = wlan_cpu_to_le16(pauth_tlv->header.len);
}
if (IS_SUPPORT_MULTI_BANDS(pmpriv->adapter)
&& !(ISSUPP_11NENABLED(pmpriv->adapter->fw_cap_info)
&& (pmpriv->adapter->config_bands & BAND_GN
|| pmpriv->adapter->config_bands & BAND_AN)
&& (pbss_desc->pht_cap)
)
) {
/* Append a channel TLV for the channel the attempted AP was found on */
pchan_tlv = (MrvlIEtypes_ChanListParamSet_t *) pos;
pchan_tlv->header.type = wlan_cpu_to_le16(TLV_TYPE_CHANLIST);
pchan_tlv->header.len = wlan_cpu_to_le16(sizeof(ChanScanParamSet_t));
memset(pchan_tlv->chan_scan_param, 0x00, sizeof(ChanScanParamSet_t));
pchan_tlv->chan_scan_param[0].chan_number =
(pbss_desc->phy_param_set.ds_param_set.current_chan);
PRINTM(MINFO, "Assoc: TLV Chan = %d\n",
pchan_tlv->chan_scan_param[0].chan_number);
pchan_tlv->chan_scan_param[0].radio_type =
wlan_band_to_radio_type((t_u8) pbss_desc->bss_band);
PRINTM(MINFO, "Assoc: TLV Band = %d\n",
pchan_tlv->chan_scan_param[0].radio_type);
pos += sizeof(pchan_tlv->header) + sizeof(ChanScanParamSet_t);
}
if (!pmpriv->wps.session_enable) {
if ((pmpriv->sec_info.wpa_enabled || pmpriv->sec_info.wpa2_enabled)) {
prsn_ie_tlv = (MrvlIEtypes_RsnParamSet_t *) pos;
prsn_ie_tlv->header.type = (t_u16) pmpriv->wpa_ie[0]; /* WPA_IE
or
WPA2_IE
*/
prsn_ie_tlv->header.type = prsn_ie_tlv->header.type & 0x00FF;
prsn_ie_tlv->header.type =
wlan_cpu_to_le16(prsn_ie_tlv->header.type);
prsn_ie_tlv->header.len = (t_u16) pmpriv->wpa_ie[1];
prsn_ie_tlv->header.len = prsn_ie_tlv->header.len & 0x00FF;
if (prsn_ie_tlv->header.len <= (sizeof(pmpriv->wpa_ie) - 2))
memcpy(prsn_ie_tlv->rsn_ie, &pmpriv->wpa_ie[2],
prsn_ie_tlv->header.len);
else {
ret = MLAN_STATUS_FAILURE;
goto done;
}
HEXDUMP("ASSOC_CMD: RSN IE", (t_u8 *) prsn_ie_tlv,
sizeof(prsn_ie_tlv->header) + prsn_ie_tlv->header.len);
pos += sizeof(prsn_ie_tlv->header) + prsn_ie_tlv->header.len;
prsn_ie_tlv->header.len = wlan_cpu_to_le16(prsn_ie_tlv->header.len);
} else if (pmpriv->sec_info.ewpa_enabled) {
prsn_ie_tlv = (MrvlIEtypes_RsnParamSet_t *) pos;
if (pbss_desc->pwpa_ie) {
prsn_ie_tlv->header.type =
(t_u16) (*(pbss_desc->pwpa_ie)).vend_hdr.element_id;
prsn_ie_tlv->header.type = prsn_ie_tlv->header.type & 0x00FF;
prsn_ie_tlv->header.type =
wlan_cpu_to_le16(prsn_ie_tlv->header.type);
prsn_ie_tlv->header.len =
(t_u16) (*(pbss_desc->pwpa_ie)).vend_hdr.len;
prsn_ie_tlv->header.len = prsn_ie_tlv->header.len & 0x00FF;
if (prsn_ie_tlv->header.len <= (sizeof(pmpriv->wpa_ie))) {
memcpy(prsn_ie_tlv->rsn_ie,
&((*(pbss_desc->pwpa_ie)).vend_hdr.oui[0]),
prsn_ie_tlv->header.len);
} else {
ret = MLAN_STATUS_FAILURE;
goto done;
}
HEXDUMP("ASSOC_CMD: RSN IE", (t_u8 *) prsn_ie_tlv,
sizeof(prsn_ie_tlv->header) + prsn_ie_tlv->header.len);
pos += sizeof(prsn_ie_tlv->header) + prsn_ie_tlv->header.len;
prsn_ie_tlv->header.len =
wlan_cpu_to_le16(prsn_ie_tlv->header.len);
}
if (pbss_desc->prsn_ie) {
prsn_ie_tlv = (MrvlIEtypes_RsnParamSet_t *) pos;
prsn_ie_tlv->header.type =
(t_u16) (*(pbss_desc->prsn_ie)).ieee_hdr.element_id;
prsn_ie_tlv->header.type = prsn_ie_tlv->header.type & 0x00FF;
prsn_ie_tlv->header.type =
wlan_cpu_to_le16(prsn_ie_tlv->header.type);
prsn_ie_tlv->header.len =
(t_u16) (*(pbss_desc->prsn_ie)).ieee_hdr.len;
prsn_ie_tlv->header.len = prsn_ie_tlv->header.len & 0x00FF;
if (prsn_ie_tlv->header.len <= (sizeof(pmpriv->wpa_ie))) {
memcpy(prsn_ie_tlv->rsn_ie,
&((*(pbss_desc->prsn_ie)).data[0])
, prsn_ie_tlv->header.len);
} else {
ret = MLAN_STATUS_FAILURE;
goto done;
}
HEXDUMP("ASSOC_CMD: RSN IE", (t_u8 *) prsn_ie_tlv,
sizeof(prsn_ie_tlv->header) + prsn_ie_tlv->header.len);
pos += sizeof(prsn_ie_tlv->header) + prsn_ie_tlv->header.len;
prsn_ie_tlv->header.len =
wlan_cpu_to_le16(prsn_ie_tlv->header.len);
}
}
}
if (ISSUPP_11NENABLED(pmpriv->adapter->fw_cap_info)
&& (pmpriv->adapter->config_bands & BAND_GN
|| pmpriv->adapter->config_bands & BAND_AN))
wlan_cmd_append_11n_tlv(pmpriv, pbss_desc, &pos);
/** Append vendor specific IE TLV */
wlan_cmd_append_vsie_tlv(pmpriv, MLAN_VSIE_MASK_ASSOC, &pos);
wlan_wmm_process_association_req(pmpriv, &pos, &pbss_desc->wmm_ie,
pbss_desc->pht_cap);
if (pmpriv->sec_info.wapi_enabled && pmpriv->wapi_ie_len) {
wlan_cmd_append_wapi_ie(pmpriv, &pos);
}
wlan_cmd_append_generic_ie(pmpriv, &pos);
wlan_cmd_append_tsf_tlv(pmpriv, &pos, pbss_desc);
if (wlan_11d_create_dnld_countryinfo(pmpriv, (t_u8) pbss_desc->bss_band)) {
PRINTM(MERROR, "Dnld_countryinfo_11d failed\n");
ret = MLAN_STATUS_FAILURE;
goto done;
}
if (wlan_11d_parse_dnld_countryinfo(pmpriv, pmpriv->pattempted_bss_desc)) {
ret = MLAN_STATUS_FAILURE;
goto done;
}
/*
* Call 11h join API after capability bits are set so adhoc/infra 11h
* behavior can be properly triggered. pos modified if data is appended
*/
wlan_11h_process_join(pmpriv, &pos, &passo->cap_info,
pbss_desc->phy_param_set.ds_param_set.current_chan,
&pbss_desc->wlan_11h_bss_info);
cmd->size = wlan_cpu_to_le16((t_u16) (pos - (t_u8 *) passo) + S_DS_GEN);
/* Set the Capability info at last */
memcpy(&tmp_cap, &pbss_desc->cap_info, sizeof(passo->cap_info));
tmp_cap &= CAPINFO_MASK;
PRINTM(MINFO, "ASSOC_CMD: tmp_cap=%4X CAPINFO_MASK=%4lX\n",
tmp_cap, CAPINFO_MASK);
tmp_cap = wlan_cpu_to_le16(tmp_cap);
memcpy(&passo->cap_info, &tmp_cap, sizeof(passo->cap_info));
done:
LEAVE();
return ret;
}
/**
* @brief Association firmware command response handler
*
* The response buffer for the association command has the following
* memory layout.
*
* For cases where an association response was not received (indicated
* by the CapInfo and AId field):
*
* .------------------------------------------------------------.
* | Header(4 * sizeof(t_u16)): Standard command response hdr |
* .------------------------------------------------------------.
* | cap_info/Error Return(t_u16): |
* | 0xFFFF(-1): Internal error |
* | 0xFFFE(-2): Authentication unhandled message |
* | 0xFFFD(-3): Authentication refused |
* | 0xFFFC(-4): Timeout waiting for AP response |
* .------------------------------------------------------------.
* | status_code(t_u16): |
* | If cap_info is -1: |
* | An internal firmware failure prevented the |
* | command from being processed. The status_code |
* | will be set to 1. |
* | |
* | If cap_info is -2: |
* | An authentication frame was received but was |
* | not handled by the firmware. IEEE Status |
* | code for the failure is returned. |
* | |
* | If cap_info is -3: |
* | An authentication frame was received and the |
* | status_code is the IEEE Status reported in the |
* | response. |
* | |
* | If cap_info is -4: |
* | (1) Association response timeout |
* | (2) Authentication response timeout |
* .------------------------------------------------------------.
* | a_id(t_u16): 0xFFFF |
* .------------------------------------------------------------.
*
*
* For cases where an association response was received, the IEEE
* standard association response frame is returned:
*
* .------------------------------------------------------------.
* | Header(4 * sizeof(t_u16)): Standard command response hdr |
* .------------------------------------------------------------.
* | cap_info(t_u16): IEEE Capability |
* .------------------------------------------------------------.
* | status_code(t_u16): IEEE Status Code |
* .------------------------------------------------------------.
* | a_id(t_u16): IEEE Association ID |
* .------------------------------------------------------------.
* | IEEE IEs(variable): Any received IEs comprising the |
* | remaining portion of a received |
* | association response frame. |
* .------------------------------------------------------------.
*
* For simplistic handling, the status_code field can be used to determine
* an association success (0) or failure (non-zero).
*
* @param pmpriv A pointer to mlan_private structure
* @param resp A pointer to HostCmd_DS_COMMAND
* @param pioctl_buf A pointer to mlan_ioctl_req structure
*
* @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE
*/
mlan_status
wlan_ret_802_11_associate(IN mlan_private * pmpriv,
IN HostCmd_DS_COMMAND * resp, IN t_void * pioctl_buf)
{
mlan_status ret = MLAN_STATUS_SUCCESS;
mlan_ioctl_req *pioctl_req = (mlan_ioctl_req *) pioctl_buf;
IEEEtypes_AssocRsp_t *passoc_rsp;
BSSDescriptor_t *pbss_desc;
t_u8 enable_data = MTRUE;
t_u8 event_buf[100];
mlan_event *pevent = (mlan_event *) event_buf;
ENTER();
passoc_rsp = (IEEEtypes_AssocRsp_t *) & resp->params;
passoc_rsp->status_code = wlan_le16_to_cpu(passoc_rsp->status_code);
HEXDUMP("ASSOC_RESP:", (t_u8 *) & resp->params, (resp->size - S_DS_GEN));
pmpriv->assoc_rsp_size = MIN(resp->size - S_DS_GEN,
sizeof(pmpriv->assoc_rsp_buf));
memcpy(pmpriv->assoc_rsp_buf, &resp->params, pmpriv->assoc_rsp_size);
if (passoc_rsp->status_code) {
pmpriv->adapter->dbg.num_cmd_assoc_failure++;
PRINTM(MERROR, "ASSOC_RESP: Association Failed, "
"status code = %d, error = 0x%x, a_id = 0x%x\n",
wlan_le16_to_cpu(passoc_rsp->status_code),
wlan_le16_to_cpu(*(t_u16 *) & passoc_rsp->capability),
wlan_le16_to_cpu(passoc_rsp->a_id));
ret = MLAN_STATUS_FAILURE;
goto done;
}
/* Send a Media Connected event, according to the Spec */
pmpriv->media_connected = MTRUE;
/* Set the attempted BSSID Index to current */
pbss_desc = pmpriv->pattempted_bss_desc;
PRINTM(MINFO, "ASSOC_RESP: %s\n", pbss_desc->ssid.ssid);
/* Make a copy of current BSSID descriptor */
memcpy(&pmpriv->curr_bss_params.bss_descriptor,
pbss_desc, sizeof(BSSDescriptor_t));
/* Update curr_bss_params */
pmpriv->curr_bss_params.bss_descriptor.channel
= pbss_desc->phy_param_set.ds_param_set.current_chan;
pmpriv->curr_bss_params.band = (t_u8) pbss_desc->bss_band;
/*
* Adjust the timestamps in the scan table to be relative to the newly
* associated AP's TSF
*/
wlan_update_tsf_timestamps(pmpriv, pbss_desc);
if (pbss_desc->wmm_ie.vend_hdr.element_id == WMM_IE)
pmpriv->curr_bss_params.wmm_enabled = MTRUE;
else
pmpriv->curr_bss_params.wmm_enabled = MFALSE;
if ((pmpriv->wmm_required
|| (pbss_desc->pht_cap &&
(pbss_desc->pht_cap->ieee_hdr.element_id == HT_CAPABILITY))
) && pmpriv->curr_bss_params.wmm_enabled)
pmpriv->wmm_enabled = MTRUE;
else
pmpriv->wmm_enabled = MFALSE;
pmpriv->curr_bss_params.wmm_uapsd_enabled = MFALSE;
if (pmpriv->wmm_enabled == MTRUE)
pmpriv->curr_bss_params.wmm_uapsd_enabled
= pbss_desc->wmm_ie.qos_info.qos_uapsd;
PRINTM(MINFO, "ASSOC_RESP: curr_pkt_filter is 0x%x\n",
pmpriv->curr_pkt_filter);
if (pmpriv->sec_info.wpa_enabled || pmpriv->sec_info.wpa2_enabled)
pmpriv->wpa_is_gtk_set = MFALSE;
if (pmpriv->wmm_enabled)
/* Don't re-enable carrier until we get the WMM_GET_STATUS event */
enable_data = MFALSE;
else
/* Since WMM is not enabled, setup the queues with the defaults */
wlan_wmm_setup_queues(pmpriv);
if (enable_data) {
PRINTM(MINFO, "Post association, re-enabling data flow\n");
}
ret =
wlan_11d_parse_dnld_countryinfo(pmpriv,
&pmpriv->curr_bss_params.
bss_descriptor);
/* Reset SNR/NF/RSSI values */
pmpriv->data_rssi_last = 0;
pmpriv->data_nf_last = 0;
pmpriv->data_rssi_avg = 0;
pmpriv->data_nf_avg = 0;
pmpriv->bcn_rssi_last = 0;
pmpriv->bcn_nf_last = 0;
pmpriv->bcn_rssi_avg = 0;
pmpriv->bcn_nf_avg = 0;
pmpriv->rxpd_rate = 0;
pmpriv->rxpd_htinfo = 0;
wlan_save_curr_bcn(pmpriv);
pmpriv->adapter->dbg.num_cmd_assoc_success++;
PRINTM(MINFO, "ASSOC_RESP: Associated\n");
pevent->bss_num = pmpriv->bss_num;
pevent->event_id = MLAN_EVENT_ID_DRV_CONNECTED;
pevent->event_len = MLAN_MAC_ADDR_LENGTH;
memcpy((t_u8 *) pevent->event_buf,
(t_u8 *) pmpriv->curr_bss_params.bss_descriptor.mac_address,
MLAN_MAC_ADDR_LENGTH);
/* Add the ra_list here for infra mode as there will be only 1 ra always */
wlan_ralist_add(pmpriv, pmpriv->curr_bss_params.bss_descriptor.mac_address);
wlan_recv_event(pmpriv, MLAN_EVENT_ID_DRV_CONNECTED, pevent);
/* Send OBSS scan param to the application if available */
wlan_2040_coex_event(pmpriv);
done:
/* Need to indicate IOCTL complete */
if (pioctl_req != MNULL) {
if (ret != MLAN_STATUS_SUCCESS) {
if (passoc_rsp->status_code)
pioctl_req->status_code =
wlan_le16_to_cpu(passoc_rsp->status_code);
else
pioctl_req->status_code = MLAN_ERROR_ASSOC_FAIL;
} else {
pioctl_req->status_code = MLAN_ERROR_NO_ERROR;
}
}
LEAVE();
return ret;
}
/**
* @brief This function prepares command of ad_hoc_start.
*
* @param pmpriv A pointer to mlan_private structure
* @param cmd A pointer to HostCmd_DS_COMMAND structure
* @param pdata_buf A pointer cast of mlan_802_11_ssid structure
*
* @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE
*/
mlan_status
wlan_cmd_802_11_ad_hoc_start(IN mlan_private * pmpriv,
IN HostCmd_DS_COMMAND * cmd, IN t_void * pdata_buf)
{
mlan_status ret = MLAN_STATUS_SUCCESS;
mlan_adapter *pmadapter = pmpriv->adapter;
HostCmd_DS_802_11_AD_HOC_START *padhoc_start = &cmd->params.adhoc_start;
BSSDescriptor_t *pbss_desc;
t_u32 cmd_append_size = 0;
t_u32 i;
t_u16 tmp_cap;
MrvlIEtypes_ChanListParamSet_t *pchan_tlv;
MrvlIEtypes_RsnParamSet_t *prsn_ie_tlv;
MrvlIETypes_HTCap_t *pht_cap;
MrvlIETypes_HTInfo_t *pht_info;
/* wpa ie for WPA_NONE AES */
const t_u8 wpa_ie[24] = { 0xdd, 0x16, 0x00, 0x50, 0xf2, 0x01, 0x01, 0x00,
0x00, 0x50, 0xf2, 0x04, 0x01, 0x00, 0x00, 0x50,
0xf2, 0x00, 0x01, 0x00, 0x00, 0x50, 0xf2, 0x00
};
t_u8 *pos = (t_u8 *) padhoc_start + sizeof(HostCmd_DS_802_11_AD_HOC_START);
ENTER();
if (!pmadapter) {
ret = MLAN_STATUS_FAILURE;
goto done;
}
cmd->command = wlan_cpu_to_le16(HostCmd_CMD_802_11_AD_HOC_START);
pbss_desc = &pmpriv->curr_bss_params.bss_descriptor;
pmpriv->pattempted_bss_desc = pbss_desc;
/*
* Fill in the parameters for 2 data structures:
* 1. HostCmd_DS_802_11_AD_HOC_START command
* 2. pbss_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(padhoc_start->ssid, 0, MLAN_MAX_SSID_LENGTH);
memcpy(padhoc_start->ssid,
((mlan_802_11_ssid *) pdata_buf)->ssid,
((mlan_802_11_ssid *) pdata_buf)->ssid_len);
PRINTM(MINFO, "ADHOC_S_CMD: SSID = %s\n", padhoc_start->ssid);
memset(pbss_desc->ssid.ssid, 0, MLAN_MAX_SSID_LENGTH);
memcpy(pbss_desc->ssid.ssid,
((mlan_802_11_ssid *) pdata_buf)->ssid,
((mlan_802_11_ssid *) pdata_buf)->ssid_len);
pbss_desc->ssid.ssid_len = ((mlan_802_11_ssid *) pdata_buf)->ssid_len;
/* Set the BSS mode */
padhoc_start->bss_mode = HostCmd_BSS_MODE_IBSS;
pbss_desc->bss_mode = MLAN_BSS_MODE_IBSS;
padhoc_start->beacon_period = wlan_cpu_to_le16(pmpriv->beacon_period);
pbss_desc->beacon_period = pmpriv->beacon_period;
/* Set Physical param set */
/** Parameter IE Id */
#define DS_PARA_IE_ID 3
/** Parameter IE length */
#define DS_PARA_IE_LEN 1
padhoc_start->phy_param_set.ds_param_set.element_id = DS_PARA_IE_ID;
padhoc_start->phy_param_set.ds_param_set.len = DS_PARA_IE_LEN;
if (!wlan_get_cfp_by_band_and_channel
(pmadapter, pmadapter->adhoc_start_band, (t_u16) pmpriv->adhoc_channel,
pmadapter->region_channel)) {
chan_freq_power_t *cfp;
cfp =
wlan_get_cfp_by_band_and_channel(pmadapter,
pmadapter->adhoc_start_band,
FIRST_VALID_CHANNEL,
pmadapter->region_channel);
if (cfp)
pmpriv->adhoc_channel = (t_u8) cfp->channel;
}
ASSERT(pmpriv->adhoc_channel);
PRINTM(MINFO, "ADHOC_S_CMD: Creating ADHOC on Channel %d\n",
pmpriv->adhoc_channel);
pmpriv->curr_bss_params.bss_descriptor.channel = pmpriv->adhoc_channel;
pmpriv->curr_bss_params.band = pmadapter->adhoc_start_band;
pbss_desc->channel = pmpriv->adhoc_channel;
padhoc_start->phy_param_set.ds_param_set.current_chan =
pmpriv->adhoc_channel;
memcpy(&pbss_desc->phy_param_set,
&padhoc_start->phy_param_set, sizeof(IEEEtypes_PhyParamSet_t));
pbss_desc->network_type_use = Wlan802_11DS;
/* Set IBSS param set */
/** IBSS parameter IE Id */
#define IBSS_PARA_IE_ID 6
/** IBSS parameter IE length */
#define IBSS_PARA_IE_LEN 2
padhoc_start->ss_param_set.ibss_param_set.element_id = IBSS_PARA_IE_ID;
padhoc_start->ss_param_set.ibss_param_set.len = IBSS_PARA_IE_LEN;
padhoc_start->ss_param_set.ibss_param_set.atim_window
= wlan_cpu_to_le16(pmpriv->atim_window);
pbss_desc->atim_window = pmpriv->atim_window;
memcpy(&pbss_desc->ss_param_set,
&padhoc_start->ss_param_set, sizeof(IEEEtypes_SsParamSet_t));
/* Set Capability info */
padhoc_start->cap.ess = 0;
padhoc_start->cap.ibss = 1;
pbss_desc->cap_info.ibss = 1;
/* Set up privacy in pbss_desc */
if (pmpriv->sec_info.wep_status == Wlan802_11WEPEnabled
|| pmpriv->adhoc_aes_enabled
|| pmpriv->sec_info.wpa_enabled || pmpriv->sec_info.ewpa_enabled) {
/** Ad-Hoc capability privacy on */
#define AD_HOC_CAP_PRIVACY_ON 1
PRINTM(MINFO, "ADHOC_S_CMD: wep_status set, Privacy to WEP\n");
pbss_desc->privacy = Wlan802_11PrivFilter8021xWEP;
padhoc_start->cap.privacy = AD_HOC_CAP_PRIVACY_ON;
} else {
PRINTM(MWARN, "ADHOC_S_CMD: wep_status NOT set, Setting "
"Privacy to ACCEPT ALL\n");
pbss_desc->privacy = Wlan802_11PrivFilterAcceptAll;
}
memset(padhoc_start->DataRate, 0, sizeof(padhoc_start->DataRate));
wlan_get_active_data_rates(pmpriv, padhoc_start->DataRate);
if ((pmadapter->adhoc_start_band & BAND_G) &&
(pmpriv->curr_pkt_filter & HostCmd_ACT_MAC_ADHOC_G_PROTECTION_ON)) {
ret = wlan_prepare_cmd(pmpriv,
HostCmd_CMD_MAC_CONTROL,
HostCmd_ACT_GEN_SET,
0, MNULL, &pmpriv->curr_pkt_filter);
if (ret) {
PRINTM(MERROR, "ADHOC_S_CMD: G Protection config failed\n");
ret = MLAN_STATUS_FAILURE;
goto done;
}
}
/* Find the last non zero */
for (i = 0; i < sizeof(padhoc_start->DataRate) && padhoc_start->DataRate[i];
i++);
pmpriv->curr_bss_params.num_of_rates = i;
/* Copy the ad-hoc creating rates into Current BSS rate structure */
memcpy(&pmpriv->curr_bss_params.data_rates,
&padhoc_start->DataRate, pmpriv->curr_bss_params.num_of_rates);
PRINTM(MINFO, "ADHOC_S_CMD: Rates=%02x %02x %02x %02x \n",
padhoc_start->DataRate[0], padhoc_start->DataRate[1],
padhoc_start->DataRate[2], padhoc_start->DataRate[3]);
PRINTM(MINFO, "ADHOC_S_CMD: AD HOC Start command is ready\n");
if (IS_SUPPORT_MULTI_BANDS(pmadapter)) {
/* Append a channel TLV */
pchan_tlv = (MrvlIEtypes_ChanListParamSet_t *) pos;
pchan_tlv->header.type = wlan_cpu_to_le16(TLV_TYPE_CHANLIST);
pchan_tlv->header.len = wlan_cpu_to_le16(sizeof(ChanScanParamSet_t));
memset(pchan_tlv->chan_scan_param, 0x00, sizeof(ChanScanParamSet_t));
pchan_tlv->chan_scan_param[0].chan_number =
(t_u8) pmpriv->curr_bss_params.bss_descriptor.channel;
PRINTM(MINFO, "ADHOC_S_CMD: TLV Chan = %d\n",
pchan_tlv->chan_scan_param[0].chan_number);
pchan_tlv->chan_scan_param[0].radio_type
= wlan_band_to_radio_type(pmpriv->curr_bss_params.band);
PRINTM(MINFO, "ADHOC_S_CMD: TLV Band = %d\n",
pchan_tlv->chan_scan_param[0].radio_type);
pos += sizeof(pchan_tlv->header) + sizeof(ChanScanParamSet_t);
cmd_append_size +=
sizeof(pchan_tlv->header) + sizeof(ChanScanParamSet_t);
}
/** Append vendor specific IE TLV */
cmd_append_size +=
wlan_cmd_append_vsie_tlv(pmpriv, MLAN_VSIE_MASK_ADHOC, &pos);
if (wlan_11d_create_dnld_countryinfo(pmpriv, pmpriv->curr_bss_params.band)) {
PRINTM(MERROR, "ADHOC_S_CMD: dnld_countryinfo_11d failed\n");
ret = MLAN_STATUS_FAILURE;
goto done;
}
/*
* Call 11h start API to add any 11h flags/elements as TLV parameters
*/
cmd_append_size += wlan_11h_process_start(pmpriv, &pos, &padhoc_start->cap,
pmpriv->adhoc_channel,
&pbss_desc->wlan_11h_bss_info);
if (pmpriv->sec_info.ewpa_enabled) {
memcpy(pmpriv->wpa_ie, wpa_ie, sizeof(wpa_ie));
pmpriv->wpa_ie_len = sizeof(wpa_ie);
}
if (pmpriv->sec_info.wpa_enabled || pmpriv->sec_info.ewpa_enabled) {
prsn_ie_tlv = (MrvlIEtypes_RsnParamSet_t *) pos;
prsn_ie_tlv->header.type = (t_u16) pmpriv->wpa_ie[0]; /* WPA_IE or
WPA2_IE */
prsn_ie_tlv->header.type = prsn_ie_tlv->header.type & 0x00FF;
prsn_ie_tlv->header.type = wlan_cpu_to_le16(prsn_ie_tlv->header.type);
prsn_ie_tlv->header.len = (t_u16) pmpriv->wpa_ie[1];
prsn_ie_tlv->header.len = prsn_ie_tlv->header.len & 0x00FF;
if (prsn_ie_tlv->header.len <= (sizeof(pmpriv->wpa_ie) - 2))
memcpy(prsn_ie_tlv->rsn_ie, &pmpriv->wpa_ie[2],
prsn_ie_tlv->header.len);
else {
ret = MLAN_STATUS_FAILURE;
goto done;
}
DBG_HEXDUMP(MCMD_D, "ADHOC_S_CMD: RSN IE", (t_u8 *) prsn_ie_tlv,
sizeof(prsn_ie_tlv->header) + prsn_ie_tlv->header.len);
pos += sizeof(prsn_ie_tlv->header) + prsn_ie_tlv->header.len;
cmd_append_size +=
sizeof(prsn_ie_tlv->header) + prsn_ie_tlv->header.len;
prsn_ie_tlv->header.len = wlan_cpu_to_le16(prsn_ie_tlv->header.len);
}
if (pmadapter->adhoc_11n_enabled == MTRUE) {
{
pht_cap = (MrvlIETypes_HTCap_t *) pos;
memset(pht_cap, 0, sizeof(MrvlIETypes_HTCap_t));
pht_cap->header.type = wlan_cpu_to_le16(HT_CAPABILITY);
pht_cap->header.len = sizeof(HTCap_t);
SETHT_SUPPCHANWIDTH(pht_cap->ht_cap.ht_cap_info);
SETHT_GREENFIELD(pht_cap->ht_cap.ht_cap_info);
SETHT_SHORTGI20(pht_cap->ht_cap.ht_cap_info);
SETHT_SHORTGI40(pht_cap->ht_cap.ht_cap_info);
SETHT_MAXAMSDU(pht_cap->ht_cap.ht_cap_info);
SETHT_DSSSCCK40(pht_cap->ht_cap.ht_cap_info);
pht_cap->ht_cap.ampdu_param = MAX_RX_AMPDU_SIZE_64K;
pht_cap->ht_cap.supported_mcs_set[0] = 0xff;
HEXDUMP("ADHOC_START: HT_CAPABILITIES IE", (t_u8 *) pht_cap,
sizeof(MrvlIETypes_HTCap_t));
pos += sizeof(MrvlIETypes_HTCap_t);
cmd_append_size += sizeof(MrvlIETypes_HTCap_t);
pht_cap->header.len = wlan_cpu_to_le16(pht_cap->header.len);
}
{
pht_info = (MrvlIETypes_HTInfo_t *) pos;
memset(pht_info, 0, sizeof(MrvlIETypes_HTInfo_t));
pht_info->header.type = wlan_cpu_to_le16(HT_OPERATION);
pht_info->header.len = sizeof(HTInfo_t);
pht_info->ht_info.pri_chan =
(t_u8) pmpriv->curr_bss_params.bss_descriptor.channel;
if (pmadapter->chan_offset) {
pht_info->ht_info.field2 = pmadapter->chan_offset;
SET_CHANWIDTH40(pht_info->ht_info.field2);
}
pht_info->ht_info.field3 = NON_GREENFIELD_STAS;
pht_info->ht_info.basic_mcs_set[0] = 0xff;
HEXDUMP("ADHOC_START: HT_INFORMATION IE", (t_u8 *) pht_info,
sizeof(MrvlIETypes_HTInfo_t));
pos += sizeof(MrvlIETypes_HTInfo_t);
cmd_append_size += sizeof(MrvlIETypes_HTInfo_t);
pht_info->header.len = wlan_cpu_to_le16(pht_info->header.len);
}
}
cmd->size =
(t_u16) wlan_cpu_to_le16((t_u16) (sizeof(HostCmd_DS_802_11_AD_HOC_START)
+ S_DS_GEN + cmd_append_size));
memcpy(&tmp_cap, &padhoc_start->cap, sizeof(t_u16));
tmp_cap = wlan_cpu_to_le16(tmp_cap);
memcpy(&padhoc_start->cap, &tmp_cap, sizeof(t_u16));
ret = MLAN_STATUS_SUCCESS;
done:
LEAVE();
return ret;
}
/**
* @brief This function prepares command of ad_hoc_join.
*
* @param pmpriv A pointer to mlan_private structure
* @param cmd A pointer to HostCmd_DS_COMMAND structure
* @param pdata_buf Void cast of BSSDescriptor_t from the
* scan table to join
*
* @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE
*/
mlan_status
wlan_cmd_802_11_ad_hoc_join(IN mlan_private * pmpriv,
IN HostCmd_DS_COMMAND * cmd, IN t_void * pdata_buf)
{
mlan_status ret = MLAN_STATUS_SUCCESS;
HostCmd_DS_802_11_AD_HOC_JOIN *padhoc_join = &cmd->params.adhoc_join;
BSSDescriptor_t *pbss_desc = (BSSDescriptor_t *) pdata_buf;
MrvlIEtypes_ChanListParamSet_t *pchan_tlv;
MrvlIEtypes_RsnParamSet_t *prsn_ie_tlv;
t_u32 cmd_append_size = 0;
t_u16 tmp_cap;
t_u32 i, rates_size = 0;
t_u16 curr_pkt_filter;
t_u8 *pos = (t_u8 *) padhoc_join + sizeof(HostCmd_DS_802_11_AD_HOC_JOIN);
ENTER();
/** Use G protection */
#define USE_G_PROTECTION 0x02
if (pbss_desc->erp_flags & USE_G_PROTECTION) {
curr_pkt_filter =
pmpriv->curr_pkt_filter | HostCmd_ACT_MAC_ADHOC_G_PROTECTION_ON;
ret = wlan_prepare_cmd(pmpriv,
HostCmd_CMD_MAC_CONTROL,
HostCmd_ACT_GEN_SET, 0, MNULL, &curr_pkt_filter);
if (ret) {
PRINTM(MERROR, "ADHOC_J_CMD: G Protection config failed\n");
ret = MLAN_STATUS_FAILURE;
goto done;
}
}
pmpriv->pattempted_bss_desc = pbss_desc;
cmd->command = wlan_cpu_to_le16(HostCmd_CMD_802_11_AD_HOC_JOIN);
padhoc_join->bss_descriptor.bss_mode = HostCmd_BSS_MODE_IBSS;
padhoc_join->bss_descriptor.beacon_period
= wlan_cpu_to_le16(pbss_desc->beacon_period);
memcpy(&padhoc_join->bss_descriptor.bssid,
&pbss_desc->mac_address, MLAN_MAC_ADDR_LENGTH);
memcpy(&padhoc_join->bss_descriptor.ssid,
&pbss_desc->ssid.ssid, pbss_desc->ssid.ssid_len);
memcpy(&padhoc_join->bss_descriptor.phy_param_set,
&pbss_desc->phy_param_set, sizeof(IEEEtypes_PhyParamSet_t));
memcpy(&padhoc_join->bss_descriptor.ss_param_set,
&pbss_desc->ss_param_set, sizeof(IEEEtypes_SsParamSet_t));
memcpy(&tmp_cap, &pbss_desc->cap_info, sizeof(IEEEtypes_CapInfo_t));
tmp_cap &= CAPINFO_MASK;
PRINTM(MINFO, "ADHOC_J_CMD: tmp_cap=%4X CAPINFO_MASK=%4lX\n",
tmp_cap, CAPINFO_MASK);
memcpy(&padhoc_join->bss_descriptor.cap, &tmp_cap,
sizeof(IEEEtypes_CapInfo_t));
/* Information on BSSID descriptor passed to FW */
PRINTM(MINFO,
"ADHOC_J_CMD: BSSID = %02x-%02x-%02x-%02x-%02x-%02x, SSID = %s\n",
padhoc_join->bss_descriptor.bssid[0],
padhoc_join->bss_descriptor.bssid[1],
padhoc_join->bss_descriptor.bssid[2],
padhoc_join->bss_descriptor.bssid[3],
padhoc_join->bss_descriptor.bssid[4],
padhoc_join->bss_descriptor.bssid[5],
padhoc_join->bss_descriptor.ssid);
for (i = 0; pbss_desc->supported_rates[i] && i < WLAN_SUPPORTED_RATES; i++);
rates_size = i;
/* Copy Data Rates from the Rates recorded in scan response */
memset(padhoc_join->bss_descriptor.data_rates, 0,
sizeof(padhoc_join->bss_descriptor.data_rates));
memcpy(padhoc_join->bss_descriptor.data_rates, pbss_desc->supported_rates,
rates_size);
HEXDUMP("Adapted Rates:", padhoc_join->bss_descriptor.data_rates,
rates_size);
/* Copy the adhoc join rates into Current BSS state structure */
pmpriv->curr_bss_params.num_of_rates = rates_size;
memcpy(&pmpriv->curr_bss_params.data_rates, pbss_desc->supported_rates,
rates_size);
/* Copy the channel information */
pmpriv->curr_bss_params.bss_descriptor.channel = pbss_desc->channel;
pmpriv->curr_bss_params.band = (t_u8) pbss_desc->bss_band;
if (pmpriv->sec_info.wep_status == Wlan802_11WEPEnabled
|| pmpriv->adhoc_aes_enabled
|| pmpriv->sec_info.wpa_enabled || pmpriv->sec_info.ewpa_enabled)
padhoc_join->bss_descriptor.cap.privacy = AD_HOC_CAP_PRIVACY_ON;
if (IS_SUPPORT_MULTI_BANDS(pmpriv->adapter)) {
/* Append a channel TLV */
pchan_tlv = (MrvlIEtypes_ChanListParamSet_t *) pos;
pchan_tlv->header.type = wlan_cpu_to_le16(TLV_TYPE_CHANLIST);
pchan_tlv->header.len = wlan_cpu_to_le16(sizeof(ChanScanParamSet_t));
memset(pchan_tlv->chan_scan_param, 0x00, sizeof(ChanScanParamSet_t));
pchan_tlv->chan_scan_param[0].chan_number =
(pbss_desc->phy_param_set.ds_param_set.current_chan);
PRINTM(MINFO, "ADHOC_J_CMD: TLV Chan = %d\n",
pchan_tlv->chan_scan_param[0].chan_number);
pchan_tlv->chan_scan_param[0].radio_type
= wlan_band_to_radio_type((t_u8) pbss_desc->bss_band);
PRINTM(MINFO, "ADHOC_J_CMD: TLV Band = %d\n",
pchan_tlv->chan_scan_param[0].radio_type);
pos += sizeof(pchan_tlv->header) + sizeof(ChanScanParamSet_t);
cmd_append_size +=
sizeof(pchan_tlv->header) + sizeof(ChanScanParamSet_t);
}
if (wlan_11d_create_dnld_countryinfo(pmpriv, (t_u8) pbss_desc->bss_band)) {
PRINTM(MERROR, "Dnld_countryinfo_11d failed\n");
ret = MLAN_STATUS_FAILURE;
goto done;
}
if (wlan_11d_parse_dnld_countryinfo(pmpriv, pmpriv->pattempted_bss_desc)) {
ret = MLAN_STATUS_FAILURE;
goto done;
}
/*
* Call 11h join API after capability bits are set so
* adhoc/infra 11h behavior can be properly triggered.
* pos modified if data is appended
*/
cmd_append_size += wlan_11h_process_join(pmpriv, &pos,
&padhoc_join->bss_descriptor.cap,
pbss_desc->channel,
&pbss_desc->wlan_11h_bss_info);
if (pmpriv->sec_info.wpa_enabled) {
prsn_ie_tlv = (MrvlIEtypes_RsnParamSet_t *) pos;
prsn_ie_tlv->header.type = (t_u16) pmpriv->wpa_ie[0]; /* WPA_IE or
WPA2_IE */
prsn_ie_tlv->header.type = prsn_ie_tlv->header.type & 0x00FF;
prsn_ie_tlv->header.type = wlan_cpu_to_le16(prsn_ie_tlv->header.type);
prsn_ie_tlv->header.len = (t_u16) pmpriv->wpa_ie[1];
prsn_ie_tlv->header.len = prsn_ie_tlv->header.len & 0x00FF;
if (prsn_ie_tlv->header.len <= (sizeof(pmpriv->wpa_ie) - 2))
memcpy(prsn_ie_tlv->rsn_ie, &pmpriv->wpa_ie[2],
prsn_ie_tlv->header.len);
else {
ret = MLAN_STATUS_FAILURE;
goto done;
}
HEXDUMP("ADHOC_JOIN: RSN IE", (t_u8 *) prsn_ie_tlv,
sizeof(prsn_ie_tlv->header) + prsn_ie_tlv->header.len);
pos += sizeof(prsn_ie_tlv->header) + prsn_ie_tlv->header.len;
cmd_append_size +=
sizeof(prsn_ie_tlv->header) + prsn_ie_tlv->header.len;
prsn_ie_tlv->header.len = wlan_cpu_to_le16(prsn_ie_tlv->header.len);
} else if (pmpriv->sec_info.ewpa_enabled) {
prsn_ie_tlv = (MrvlIEtypes_RsnParamSet_t *) pos;
if (pbss_desc->pwpa_ie) {
prsn_ie_tlv->header.type =
(t_u16) (*(pbss_desc->pwpa_ie)).vend_hdr.element_id;
prsn_ie_tlv->header.type = prsn_ie_tlv->header.type & 0x00FF;
prsn_ie_tlv->header.type =
wlan_cpu_to_le16(prsn_ie_tlv->header.type);
prsn_ie_tlv->header.len =
(t_u16) (*(pbss_desc->pwpa_ie)).vend_hdr.len;
prsn_ie_tlv->header.len = prsn_ie_tlv->header.len & 0x00FF;
if (prsn_ie_tlv->header.len <= (sizeof(pmpriv->wpa_ie))) {
memcpy(prsn_ie_tlv->rsn_ie,
&((*(pbss_desc->pwpa_ie)).vend_hdr.oui[0]),
prsn_ie_tlv->header.len);
} else {
ret = MLAN_STATUS_FAILURE;
goto done;
}
HEXDUMP("ADHOC_JOIN: RSN IE", (t_u8 *) prsn_ie_tlv,
sizeof(prsn_ie_tlv->header) + prsn_ie_tlv->header.len);
pos += sizeof(prsn_ie_tlv->header) + prsn_ie_tlv->header.len;
cmd_append_size +=
sizeof(prsn_ie_tlv->header) + prsn_ie_tlv->header.len;
prsn_ie_tlv->header.len = wlan_cpu_to_le16(prsn_ie_tlv->header.len);
}
if (pbss_desc->prsn_ie) {
prsn_ie_tlv = (MrvlIEtypes_RsnParamSet_t *) pos;
prsn_ie_tlv->header.type =
(t_u16) (*(pbss_desc->prsn_ie)).ieee_hdr.element_id;
prsn_ie_tlv->header.type = prsn_ie_tlv->header.type & 0x00FF;
prsn_ie_tlv->header.type =
wlan_cpu_to_le16(prsn_ie_tlv->header.type);
prsn_ie_tlv->header.len =
(t_u16) (*(pbss_desc->prsn_ie)).ieee_hdr.len;
prsn_ie_tlv->header.len = prsn_ie_tlv->header.len & 0x00FF;
if (prsn_ie_tlv->header.len <= (sizeof(pmpriv->wpa_ie))) {
memcpy(prsn_ie_tlv->rsn_ie, &((*(pbss_desc->prsn_ie)).data[0])
, prsn_ie_tlv->header.len);
} else {
ret = MLAN_STATUS_FAILURE;
goto done;
}
HEXDUMP("ADHOC_JOIN: RSN IE", (t_u8 *) prsn_ie_tlv,
sizeof(prsn_ie_tlv->header) + prsn_ie_tlv->header.len);
pos += sizeof(prsn_ie_tlv->header) + prsn_ie_tlv->header.len;
cmd_append_size +=
sizeof(prsn_ie_tlv->header) + prsn_ie_tlv->header.len;
prsn_ie_tlv->header.len = wlan_cpu_to_le16(prsn_ie_tlv->header.len);
}
}
if (ISSUPP_11NENABLED(pmpriv->adapter->fw_cap_info))
cmd_append_size += wlan_cmd_append_11n_tlv(pmpriv, pbss_desc, &pos);
/** Append vendor specific IE TLV */
cmd_append_size +=
wlan_cmd_append_vsie_tlv(pmpriv, MLAN_VSIE_MASK_ADHOC, &pos);
cmd->size =
(t_u16) wlan_cpu_to_le16((t_u16) (sizeof(HostCmd_DS_802_11_AD_HOC_JOIN)
+ S_DS_GEN + cmd_append_size));
memcpy(&tmp_cap, &padhoc_join->bss_descriptor.cap,
sizeof(IEEEtypes_CapInfo_t));
tmp_cap = wlan_cpu_to_le16(tmp_cap);
memcpy(&padhoc_join->bss_descriptor.cap,
&tmp_cap, sizeof(IEEEtypes_CapInfo_t));
done:
LEAVE();
return ret;
}
/**
* @brief This function handles the command response of ad_hoc_start and
* ad_hoc_join
*
* @param pmpriv A pointer to mlan_private structure
* @param resp A pointer to HostCmd_DS_COMMAND
* @param pioctl_buf A pointer to mlan_ioctl_req structure
*
* @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE
*/
mlan_status
wlan_ret_802_11_ad_hoc(IN mlan_private * pmpriv,
IN HostCmd_DS_COMMAND * resp, IN t_void * pioctl_buf)
{
mlan_status ret = MLAN_STATUS_SUCCESS;
mlan_ioctl_req *pioctl_req = (mlan_ioctl_req *) pioctl_buf;
HostCmd_DS_802_11_AD_HOC_RESULT *padhoc_result;
BSSDescriptor_t *pbss_desc;
t_u16 command = resp->command;
t_u16 result = resp->result;
t_u8 event_buf[100];
mlan_event *pevent = (mlan_event *) event_buf;
ENTER();
padhoc_result = &resp->params.adhoc_result;
pbss_desc = pmpriv->pattempted_bss_desc;
/*
* Join result code 0 --> SUCCESS
*/
if (result) {
PRINTM(MERROR, "ADHOC_RESP Failed\n");
if (pmpriv->media_connected == MTRUE)
wlan_reset_connect_state(pmpriv);
memset(&pmpriv->curr_bss_params.bss_descriptor,
0x00, sizeof(BSSDescriptor_t));
ret = MLAN_STATUS_FAILURE;
goto done;
}
/* Send a Media Connected event, according to the Spec */
pmpriv->media_connected = MTRUE;
if (command == HostCmd_CMD_802_11_AD_HOC_START) {
PRINTM(MINFO, "ADHOC_S_RESP %s\n", pbss_desc->ssid.ssid);
/* Update the created network descriptor with the new BSSID */
memcpy(pbss_desc->mac_address,
padhoc_result->bssid, MLAN_MAC_ADDR_LENGTH);
pmpriv->adhoc_state = ADHOC_STARTED;
} else {
/*
* Now the join cmd should be successful.
* If BSSID has changed use SSID to compare instead of BSSID
*/
PRINTM(MINFO, "ADHOC_J_RESP %s\n", pbss_desc->ssid.ssid);
/*
* Make a copy of current BSSID descriptor, only needed for join since
* the current descriptor is already being used for adhoc start
*/
memcpy(&pmpriv->curr_bss_params.bss_descriptor,
pbss_desc, sizeof(BSSDescriptor_t));
pmpriv->adhoc_state = ADHOC_JOINED;
}
PRINTM(MINFO, "ADHOC_RESP: Channel = %d\n", pmpriv->adhoc_channel);
PRINTM(MINFO, "ADHOC_RESP: BSSID = %02x:%02x:%02x:%02x:%02x:%02x\n",
pmpriv->curr_bss_params.bss_descriptor.mac_address[0],
pmpriv->curr_bss_params.bss_descriptor.mac_address[1],
pmpriv->curr_bss_params.bss_descriptor.mac_address[2],
pmpriv->curr_bss_params.bss_descriptor.mac_address[3],
pmpriv->curr_bss_params.bss_descriptor.mac_address[4],
pmpriv->curr_bss_params.bss_descriptor.mac_address[5]);
pevent->bss_num = pmpriv->bss_num;
pevent->event_id = MLAN_EVENT_ID_DRV_CONNECTED;
pevent->event_len = MLAN_MAC_ADDR_LENGTH;
memcpy((t_u8 *) pevent->event_buf,
(t_u8 *) pmpriv->curr_bss_params.bss_descriptor.mac_address,
MLAN_MAC_ADDR_LENGTH);
wlan_recv_event(pmpriv, MLAN_EVENT_ID_DRV_CONNECTED, pevent);
wlan_save_curr_bcn(pmpriv);
done:
/* Need to indicate IOCTL complete */
if (pioctl_req != MNULL) {
if (ret != MLAN_STATUS_SUCCESS) {
pioctl_req->status_code = MLAN_ERROR_ASSOC_FAIL;
} else {
pioctl_req->status_code = MLAN_ERROR_NO_ERROR;
}
}
LEAVE();
return ret;
}
/**
* @brief Associated to a specific BSS discovered in a scan
*
* @param pmpriv A pointer to mlan_private structure
* @param pioctl_buf A pointer to MLAN IOCTl Request buffer
* @param pbss_desc A pointer to the BSS descriptor to associate with.
*
* @return MLAN_STATUS_SUCCESS or < 0 if error
*/
mlan_status
wlan_associate(IN mlan_private * pmpriv,
IN t_void * pioctl_buf, IN BSSDescriptor_t * pbss_desc)
{
mlan_status ret = MLAN_STATUS_SUCCESS;
t_u8 current_bssid[MLAN_MAC_ADDR_LENGTH];
ENTER();
/* Return error if the pmadapter or table entry is not marked as infra */
if ((pmpriv->bss_mode != MLAN_BSS_MODE_INFRA) ||
(pbss_desc->bss_mode != MLAN_BSS_MODE_INFRA)) {
LEAVE();
return MLAN_STATUS_FAILURE;
}
memcpy(&current_bssid,
&pmpriv->curr_bss_params.bss_descriptor.mac_address,
sizeof(current_bssid));
/* Clear any past association response stored for application retrieval */
pmpriv->assoc_rsp_size = 0;
ret = wlan_prepare_cmd(pmpriv,
HostCmd_CMD_802_11_ASSOCIATE,
HostCmd_ACT_GEN_SET, 0, pioctl_buf, pbss_desc);
LEAVE();
return ret;
}
/**
* @brief Start an Adhoc Network
*
* @param pmpriv A pointer to mlan_private structure
* @param pioctl_buf A pointer to MLAN IOCTl Request buffer
* @param padhoc_ssid The ssid of the Adhoc Network
*
* @return MLAN_STATUS_SUCCESS--success, MLAN_STATUS_FAILURE--fail
*/
mlan_status
wlan_adhoc_start(IN mlan_private * pmpriv,
IN t_void * pioctl_buf, IN mlan_802_11_ssid * padhoc_ssid)
{
mlan_adapter *pmadapter = pmpriv->adapter;
mlan_status ret = MLAN_STATUS_SUCCESS;
ENTER();
if ((pmpriv->adhoc_auto_sel)
&& ((pmadapter->adhoc_start_band & BAND_A)
|| (pmadapter->adhoc_start_band & BAND_AN)
)
) {
pmpriv->adhoc_channel = wlan_11h_get_adhoc_start_channel(pmpriv);
/*
* Check if the region and channel requires a channel availability
* check.
*/
if (wlan_11h_radar_detect_required(pmpriv, pmpriv->adhoc_channel)) {
/*
* Radar detection is required for this channel, make sure
* 11h is activated in the firmware
*/
wlan_11h_activate(pmpriv, MTRUE);
/* Check for radar on the channel */
if (wlan_11h_radar_detected(pmpriv, pmpriv->adhoc_channel)) {
LEAVE();
return MLAN_STATUS_FAILURE;
}
}
}
PRINTM(MINFO, "Adhoc Channel = %d\n", pmpriv->adhoc_channel);
PRINTM(MINFO, "curr_bss_params.channel = %d\n",
pmpriv->curr_bss_params.bss_descriptor.channel);
PRINTM(MINFO, "curr_bss_params.band = %d\n", pmpriv->curr_bss_params.band);
ret = wlan_prepare_cmd(pmpriv,
HostCmd_CMD_802_11_AD_HOC_START,
HostCmd_ACT_GEN_SET, 0, pioctl_buf, padhoc_ssid);
LEAVE();
return ret;
}
/**
* @brief Join an adhoc network found in a previous scan
*
* @param pmpriv A pointer to mlan_private structure
* @param pioctl_buf A pointer to MLAN IOCTl Request buffer
* @param pbss_desc A pointer to the BSS descriptor found in a previous scan
* to attempt to join
*
* @return MLAN_STATUS_SUCCESS--success, MLAN_STATUS_FAILURE--fail
*/
mlan_status
wlan_adhoc_join(IN mlan_private * pmpriv,
IN t_void * pioctl_buf, IN BSSDescriptor_t * pbss_desc)
{
pmlan_adapter pmadapter = pmpriv->adapter;
mlan_status ret = MLAN_STATUS_SUCCESS;
ENTER();
PRINTM(MINFO, "wlan_adhoc_join: CurBss.ssid =%s\n",
pmpriv->curr_bss_params.bss_descriptor.ssid.ssid);
PRINTM(MINFO, "wlan_adhoc_join: CurBss.ssid_len =%u\n",
pmpriv->curr_bss_params.bss_descriptor.ssid.ssid_len);
PRINTM(MINFO, "wlan_adhoc_join: ssid =%s\n", pbss_desc->ssid.ssid);
PRINTM(MINFO, "wlan_adhoc_join: ssid len =%u\n", pbss_desc->ssid.ssid_len);
/* Check if the requested SSID is already joined */
if (pmpriv->curr_bss_params.bss_descriptor.ssid.ssid_len &&
!wlan_ssid_cmp(pmadapter, &pbss_desc->ssid,
&pmpriv->curr_bss_params.bss_descriptor.ssid) &&
(pmpriv->curr_bss_params.bss_descriptor.bss_mode ==
MLAN_BSS_MODE_IBSS)) {
PRINTM(MINFO,
"ADHOC_J_CMD: New ad-hoc SSID is the same as current, "
"not attempting to re-join");
LEAVE();
return MLAN_STATUS_FAILURE;
}
PRINTM(MINFO, "curr_bss_params.channel = %d\n",
pmpriv->curr_bss_params.bss_descriptor.channel);
PRINTM(MINFO, "curr_bss_params.band = %c\n", pmpriv->curr_bss_params.band);
ret = wlan_prepare_cmd(pmpriv,
HostCmd_CMD_802_11_AD_HOC_JOIN,
HostCmd_ACT_GEN_SET, 0, pioctl_buf, pbss_desc);
LEAVE();
return ret;
}
/**
* @brief Send Deauthentication Request or Stop the AdHoc network depending on mode
*
* @param pmpriv A pointer to mlan_private structure
* @param pioctl_req A pointer to mlan_ioctl_req structure
* @param mac A pointer to mlan_802_11_mac_addr structure
*
* @return MLAN_STATUS_SUCCESS--success, MLAN_STATUS_FAILURE--fail
*/
mlan_status
wlan_disconnect(IN mlan_private * pmpriv,
IN mlan_ioctl_req * pioctl_req, IN mlan_802_11_mac_addr * mac)
{
mlan_802_11_mac_addr mac_address;
mlan_status ret = MLAN_STATUS_SUCCESS;
t_u8 zero_mac[] = { 0, 0, 0, 0, 0, 0 };
ENTER();
if (pmpriv->media_connected == MTRUE) {
if (pmpriv->bss_mode == MLAN_BSS_MODE_INFRA) {
if (mac) {
if (!memcmp(mac, zero_mac, sizeof(zero_mac)))
memcpy((t_u8 *) & mac_address,
(t_u8 *) & pmpriv->curr_bss_params.bss_descriptor.
mac_address, MLAN_MAC_ADDR_LENGTH);
else {
memcpy((t_u8 *) & mac_address,
(t_u8 *) mac, MLAN_MAC_ADDR_LENGTH);
}
} else {
memcpy((t_u8 *) & mac_address,
(t_u8 *) & pmpriv->curr_bss_params.bss_descriptor.
mac_address, MLAN_MAC_ADDR_LENGTH);
}
ret = wlan_prepare_cmd(pmpriv,
HostCmd_CMD_802_11_DEAUTHENTICATE,
HostCmd_ACT_GEN_SET,
0, (t_void *) pioctl_req, &mac_address);
if (ret == MLAN_STATUS_SUCCESS && pioctl_req)
ret = MLAN_STATUS_PENDING;
} else if (pmpriv->bss_mode == MLAN_BSS_MODE_IBSS) {
ret = wlan_prepare_cmd(pmpriv,
HostCmd_CMD_802_11_AD_HOC_STOP,
HostCmd_ACT_GEN_SET,
0, (t_void *) pioctl_req, MNULL);
if (ret == MLAN_STATUS_SUCCESS && pioctl_req)
ret = MLAN_STATUS_PENDING;
}
}
LEAVE();
return ret;
}
/**
* @brief Convert band to radio type used in channel TLV
*
* @param band Band enumeration to convert to a channel TLV radio type
*
* @return Radio type designator for use in a channel TLV
*/
t_u8
wlan_band_to_radio_type(IN t_u8 band)
{
t_u8 ret_radio_type;
ENTER();
switch (band) {
case BAND_A:
ret_radio_type = HostCmd_SCAN_RADIO_TYPE_A;
break;
case BAND_B:
case BAND_G:
case BAND_B | BAND_G:
default:
ret_radio_type = HostCmd_SCAN_RADIO_TYPE_BG;
break;
}
LEAVE();
return ret_radio_type;
}