/**
* Functions implementing wlan infrastructure and adhoc join routines,
* IOCTL handlers as well as command preperation and response routines
* for sending adhoc start, adhoc join, and association commands
* to the firmware.
*/
#include <linux/netdevice.h>
#include <linux/if_arp.h>
#include <linux/wireless.h>
#include <net/iw_handler.h>
#include "host.h"
#include "decl.h"
#include "join.h"
#include "dev.h"
#define AD_HOC_CAP_PRIVACY_ON 1
/**
* @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 need to be taken
* care, either before or after calling this function
*
* @param adapter A pointer to wlan_adapter 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 0 or -1
*/
static int get_common_rates(wlan_adapter * adapter, u8 * rate1,
int rate1_size, u8 * rate2, int rate2_size)
{
u8 *ptr = rate1;
int ret = 0;
u8 tmp[30];
int i;
memset(&tmp, 0, sizeof(tmp));
memcpy(&tmp, rate1, min_t(size_t, rate1_size, sizeof(tmp)));
memset(rate1, 0, rate1_size);
/* Mask the top bit of the original values */
for (i = 0; tmp[i] && i < sizeof(tmp); i++)
tmp[i] &= 0x7F;
for (i = 0; rate2[i] && i < rate2_size; i++) {
/* Check for Card Rate in tmp, excluding the top bit */
if (strchr(tmp, rate2[i] & 0x7F)) {
/* values match, so copy the Card Rate to rate1 */
*rate1++ = rate2[i];
}
}
lbs_dbg_hex("rate1 (AP) rates:", tmp, sizeof(tmp));
lbs_dbg_hex("rate2 (Card) rates:", rate2, rate2_size);
lbs_dbg_hex("Common rates:", ptr, rate1_size);
lbs_deb_join("Tx datarate is set to 0x%X\n", adapter->datarate);
if (!adapter->is_datarate_auto) {
while (*ptr) {
if ((*ptr & 0x7f) == adapter->datarate) {
ret = 0;
goto done;
}
ptr++;
}
lbs_pr_alert( "Previously set fixed data rate %#x isn't "
"compatible with the network.\n", adapter->datarate);
ret = -1;
goto done;
}
ret = 0;
done:
return ret;
}
int libertas_send_deauth(wlan_private * priv)
{
wlan_adapter *adapter = priv->adapter;
int ret = 0;
if (adapter->mode == IW_MODE_INFRA &&
adapter->connect_status == libertas_connected)
ret = libertas_send_deauthentication(priv);
else
ret = -ENOTSUPP;
return ret;
}
/**
* @brief Associate to a specific BSS discovered in a scan
*
* @param priv A pointer to wlan_private structure
* @param pbssdesc Pointer to the BSS descriptor to associate with.
*
* @return 0-success, otherwise fail
*/
int wlan_associate(wlan_private * priv, struct bss_descriptor * pbssdesc)
{
wlan_adapter *adapter = priv->adapter;
int ret;
lbs_deb_enter(LBS_DEB_JOIN);
ret = libertas_prepare_and_send_command(priv, cmd_802_11_authenticate,
0, cmd_option_waitforrsp,
0, pbssdesc->macaddress);
if (ret)
goto done;
/* set preamble to firmware */
if (adapter->capinfo.shortpreamble && pbssdesc->cap.shortpreamble)
adapter->preamble = cmd_type_short_preamble;
else
adapter->preamble = cmd_type_long_preamble;
libertas_set_radio_control(priv);
ret = libertas_prepare_and_send_command(priv, cmd_802_11_associate,
0, cmd_option_waitforrsp, 0, pbssdesc);
done:
lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret);
return ret;
}
/**
* @brief Start an Adhoc Network
*
* @param priv A pointer to wlan_private structure
* @param adhocssid The ssid of the Adhoc Network
* @return 0--success, -1--fail
*/
int libertas_start_adhoc_network(wlan_private * priv, struct WLAN_802_11_SSID *adhocssid)
{
wlan_adapter *adapter = priv->adapter;
int ret = 0;
adapter->adhoccreate = 1;
if (!adapter->capinfo.shortpreamble) {
lbs_deb_join("AdhocStart: Long preamble\n");
adapter->preamble = cmd_type_long_preamble;
} else {
lbs_deb_join("AdhocStart: Short preamble\n");
adapter->preamble = cmd_type_short_preamble;
}
libertas_set_radio_control(priv);
lbs_deb_join("Adhoc channel = %d\n", adapter->adhocchannel);
lbs_deb_join("curbssparams.channel = %d\n",
adapter->curbssparams.channel);
lbs_deb_join("curbssparams.band = %d\n", adapter->curbssparams.band);
ret = libertas_prepare_and_send_command(priv, cmd_802_11_ad_hoc_start,
0, cmd_option_waitforrsp, 0, adhocssid);
return ret;
}
/**
* @brief Join an adhoc network found in a previous scan
*
* @param priv A pointer to wlan_private structure
* @param pbssdesc Pointer to a BSS descriptor found in a previous scan
* to attempt to join
*
* @return 0--success, -1--fail
*/
int libertas_join_adhoc_network(wlan_private * priv, struct bss_descriptor * pbssdesc)
{
wlan_adapter *adapter = priv->adapter;
int ret = 0;
lbs_deb_join("libertas_join_adhoc_network: CurBss.ssid =%s\n",
adapter->curbssparams.ssid.ssid);
lbs_deb_join("libertas_join_adhoc_network: CurBss.ssid_len =%u\n",
adapter->curbssparams.ssid.ssidlength);
lbs_deb_join("libertas_join_adhoc_network: ssid =%s\n", pbssdesc->ssid.ssid);
lbs_deb_join("libertas_join_adhoc_network: ssid len =%u\n",
pbssdesc->ssid.ssidlength);
/* check if the requested SSID is already joined */
if (adapter->curbssparams.ssid.ssidlength
&& !libertas_SSID_cmp(&pbssdesc->ssid, &adapter->curbssparams.ssid)
&& (adapter->mode == IW_MODE_ADHOC)) {
lbs_deb_join(
"ADHOC_J_CMD: New ad-hoc SSID is the same as current, "
"not attempting to re-join");
return -1;
}
/*Use shortpreamble only when both creator and card supports
short preamble */
if (!pbssdesc->cap.shortpreamble || !adapter->capinfo.shortpreamble) {
lbs_deb_join("AdhocJoin: Long preamble\n");
adapter->preamble = cmd_type_long_preamble;
} else {
lbs_deb_join("AdhocJoin: Short preamble\n");
adapter->preamble = cmd_type_short_preamble;
}
libertas_set_radio_control(priv);
lbs_deb_join("curbssparams.channel = %d\n",
adapter->curbssparams.channel);
lbs_deb_join("curbssparams.band = %c\n", adapter->curbssparams.band);
adapter->adhoccreate = 0;
ret = libertas_prepare_and_send_command(priv, cmd_802_11_ad_hoc_join,
0, cmd_option_waitforrsp,
OID_802_11_SSID, pbssdesc);
return ret;
}
int libertas_stop_adhoc_network(wlan_private * priv)
{
return libertas_prepare_and_send_command(priv, cmd_802_11_ad_hoc_stop,
0, cmd_option_waitforrsp, 0, NULL);
}
/**
* @brief Send Deauthentication Request
*
* @param priv A pointer to wlan_private structure
* @return 0--success, -1--fail
*/
int libertas_send_deauthentication(wlan_private * priv)
{
return libertas_prepare_and_send_command(priv, cmd_802_11_deauthenticate,
0, cmd_option_waitforrsp, 0, NULL);
}
/**
* @brief This function prepares command of authenticate.
*
* @param priv A pointer to wlan_private structure
* @param cmd A pointer to cmd_ds_command structure
* @param pdata_buf Void cast of pointer to a BSSID to authenticate with
*
* @return 0 or -1
*/
int libertas_cmd_80211_authenticate(wlan_private * priv,
struct cmd_ds_command *cmd,
void *pdata_buf)
{
wlan_adapter *adapter = priv->adapter;
struct cmd_ds_802_11_authenticate *pauthenticate = &cmd->params.auth;
int ret = -1;
u8 *bssid = pdata_buf;
cmd->command = cpu_to_le16(cmd_802_11_authenticate);
cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_authenticate)
+ S_DS_GEN);
/* translate auth mode to 802.11 defined wire value */
switch (adapter->secinfo.auth_mode) {
case IW_AUTH_ALG_OPEN_SYSTEM:
pauthenticate->authtype = 0x00;
break;
case IW_AUTH_ALG_SHARED_KEY:
pauthenticate->authtype = 0x01;
break;
case IW_AUTH_ALG_LEAP:
pauthenticate->authtype = 0x80;
break;
default:
lbs_deb_join("AUTH_CMD: invalid auth alg 0x%X\n",
adapter->secinfo.auth_mode);
goto out;
}
memcpy(pauthenticate->macaddr, bssid, ETH_ALEN);
lbs_deb_join("AUTH_CMD: Bssid is : %x:%x:%x:%x:%x:%x\n",
bssid[0], bssid[1], bssid[2], bssid[3], bssid[4], bssid[5]);
ret = 0;
out:
return ret;
}
int libertas_cmd_80211_deauthenticate(wlan_private * priv,
struct cmd_ds_command *cmd)
{
wlan_adapter *adapter = priv->adapter;
struct cmd_ds_802_11_deauthenticate *dauth = &cmd->params.deauth;
lbs_deb_enter(LBS_DEB_JOIN);
cmd->command = cpu_to_le16(cmd_802_11_deauthenticate);
cmd->size =
cpu_to_le16(sizeof(struct cmd_ds_802_11_deauthenticate) +
S_DS_GEN);
/* set AP MAC address */
memmove(dauth->macaddr, adapter->curbssparams.bssid,
ETH_ALEN);
/* Reason code 3 = Station is leaving */
#define REASON_CODE_STA_LEAVING 3
dauth->reasoncode = cpu_to_le16(REASON_CODE_STA_LEAVING);
lbs_deb_leave(LBS_DEB_JOIN);
return 0;
}
int libertas_cmd_80211_associate(wlan_private * priv,
struct cmd_ds_command *cmd, void *pdata_buf)
{
wlan_adapter *adapter = priv->adapter;
struct cmd_ds_802_11_associate *passo = &cmd->params.associate;
int ret = 0;
struct bss_descriptor *pbssdesc;
u8 *card_rates;
u8 *pos;
int card_rates_size;
u16 tmpcap;
struct mrvlietypes_ssidparamset *ssid;
struct mrvlietypes_phyparamset *phy;
struct mrvlietypes_ssparamset *ss;
struct mrvlietypes_ratesparamset *rates;
struct mrvlietypes_rsnparamset *rsn;
lbs_deb_enter(LBS_DEB_JOIN);
pbssdesc = pdata_buf;
pos = (u8 *) passo;
if (!adapter) {
ret = -1;
goto done;
}
cmd->command = cpu_to_le16(cmd_802_11_associate);
/* Save so we know which BSS Desc to use in the response handler */
adapter->pattemptedbssdesc = pbssdesc;
memcpy(passo->peerstaaddr,
pbssdesc->macaddress, sizeof(passo->peerstaaddr));
pos += sizeof(passo->peerstaaddr);
/* set the listen interval */
passo->listeninterval = adapter->listeninterval;
pos += sizeof(passo->capinfo);
pos += sizeof(passo->listeninterval);
pos += sizeof(passo->bcnperiod);
pos += sizeof(passo->dtimperiod);
ssid = (struct mrvlietypes_ssidparamset *) pos;
ssid->header.type = cpu_to_le16(TLV_TYPE_SSID);
ssid->header.len = pbssdesc->ssid.ssidlength;
memcpy(ssid->ssid, pbssdesc->ssid.ssid, ssid->header.len);
pos += sizeof(ssid->header) + ssid->header.len;
ssid->header.len = cpu_to_le16(ssid->header.len);
phy = (struct mrvlietypes_phyparamset *) pos;
phy->header.type = cpu_to_le16(TLV_TYPE_PHY_DS);
phy->header.len = sizeof(phy->fh_ds.dsparamset);
memcpy(&phy->fh_ds.dsparamset,
&pbssdesc->phyparamset.dsparamset.currentchan,
sizeof(phy->fh_ds.dsparamset));
pos += sizeof(phy->header) + phy->header.len;
phy->header.len = cpu_to_le16(phy->header.len);
ss = (struct mrvlietypes_ssparamset *) pos;
ss->header.type = cpu_to_le16(TLV_TYPE_CF);
ss->header.len = sizeof(ss->cf_ibss.cfparamset);
pos += sizeof(ss->header) + ss->header.len;
ss->header.len = cpu_to_le16(ss->header.len);
rates = (struct mrvlietypes_ratesparamset *) pos;
rates->header.type = cpu_to_le16(TLV_TYPE_RATES);
memcpy(&rates->rates, &pbssdesc->libertas_supported_rates, WLAN_SUPPORTED_RATES);
card_rates = libertas_supported_rates;
card_rates_size = sizeof(libertas_supported_rates);
if (get_common_rates(adapter, rates->rates, WLAN_SUPPORTED_RATES,
card_rates, card_rates_size)) {
ret = -1;
goto done;
}
rates->header.len = min_t(size_t, strlen(rates->rates), WLAN_SUPPORTED_RATES);
adapter->curbssparams.numofrates = rates->header.len;
pos += sizeof(rates->header) + rates->header.len;
rates->header.len = cpu_to_le16(rates->header.len);
if (adapter->secinfo.WPAenabled || adapter->secinfo.WPA2enabled) {
rsn = (struct mrvlietypes_rsnparamset *) pos;
rsn->header.type = (u16) adapter->wpa_ie[0]; /* WPA_IE or WPA2_IE */
rsn->header.type = cpu_to_le16(rsn->header.type);
rsn->header.len = (u16) adapter->wpa_ie[1];
memcpy(rsn->rsnie, &adapter->wpa_ie[2], rsn->header.len);
lbs_dbg_hex("ASSOC_CMD: RSN IE", (u8 *) rsn,
sizeof(rsn->header) + rsn->header.len);
pos += sizeof(rsn->header) + rsn->header.len;
rsn->header.len = cpu_to_le16(rsn->header.len);
}
/* update curbssparams */
adapter->curbssparams.channel =
(pbssdesc->phyparamset.dsparamset.currentchan);
/* Copy the infra. association rates into Current BSS state structure */
memcpy(&adapter->curbssparams.datarates, &rates->rates,
min_t(size_t, sizeof(adapter->curbssparams.datarates), rates->header.len));
lbs_deb_join("ASSOC_CMD: rates->header.len = %d\n", rates->header.len);
/* set IBSS field */
if (pbssdesc->mode == IW_MODE_INFRA) {
#define CAPINFO_ESS_MODE 1
passo->capinfo.ess = CAPINFO_ESS_MODE;
}
if (libertas_parse_dnld_countryinfo_11d(priv)) {
ret = -1;
goto done;
}
cmd->size = cpu_to_le16((u16) (pos - (u8 *) passo) + S_DS_GEN);
/* set the capability info at last */
memcpy(&tmpcap, &pbssdesc->cap, sizeof(passo->capinfo));
tmpcap &= CAPINFO_MASK;
lbs_deb_join("ASSOC_CMD: tmpcap=%4X CAPINFO_MASK=%4X\n",
tmpcap, CAPINFO_MASK);
tmpcap = cpu_to_le16(tmpcap);
memcpy(&passo->capinfo, &tmpcap, sizeof(passo->capinfo));
done:
lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret);
return ret;
}
int libertas_cmd_80211_ad_hoc_start(wlan_private * priv,
struct cmd_ds_command *cmd, void *pssid)
{
wlan_adapter *adapter = priv->adapter;
struct cmd_ds_802_11_ad_hoc_start *adhs = &cmd->params.ads;
int ret = 0;
int cmdappendsize = 0;
int i;
u16 tmpcap;
struct bss_descriptor *pbssdesc;
struct WLAN_802_11_SSID *ssid = pssid;
lbs_deb_enter(LBS_DEB_JOIN);
if (!adapter) {
ret = -1;
goto done;
}
cmd->command = cpu_to_le16(cmd_802_11_ad_hoc_start);
pbssdesc = &adapter->curbssparams.bssdescriptor;
adapter->pattemptedbssdesc = pbssdesc;
/*
* Fill in the parameters for 2 data structures:
* 1. cmd_ds_802_11_ad_hoc_start command
* 2. adapter->scantable[i]
*
* Driver will fill up SSID, bsstype,IBSS param, Physical Param,
* probe delay, and cap info.
*
* Firmware will fill up beacon period, DTIM, Basic rates
* and operational rates.
*/
memset(adhs->SSID, 0, IW_ESSID_MAX_SIZE);
memcpy(adhs->SSID, ssid->ssid, ssid->ssidlength);
lbs_deb_join("ADHOC_S_CMD: SSID = %s\n", adhs->SSID);
memset(pbssdesc->ssid.ssid, 0, IW_ESSID_MAX_SIZE);
memcpy(pbssdesc->ssid.ssid, ssid->ssid, ssid->ssidlength);
pbssdesc->ssid.ssidlength = ssid->ssidlength;
/* set the BSS type */
adhs->bsstype = cmd_bss_type_ibss;
pbssdesc->mode = IW_MODE_ADHOC;
adhs->beaconperiod = adapter->beaconperiod;
/* set Physical param set */
#define DS_PARA_IE_ID 3
#define DS_PARA_IE_LEN 1
adhs->phyparamset.dsparamset.elementid = DS_PARA_IE_ID;
adhs->phyparamset.dsparamset.len = DS_PARA_IE_LEN;
WARN_ON(!adapter->adhocchannel);
lbs_deb_join("ADHOC_S_CMD: Creating ADHOC on channel %d\n",
adapter->adhocchannel);
adapter->curbssparams.channel = adapter->adhocchannel;
pbssdesc->channel = adapter->adhocchannel;
adhs->phyparamset.dsparamset.currentchan = adapter->adhocchannel;
memcpy(&pbssdesc->phyparamset,
&adhs->phyparamset, sizeof(union ieeetypes_phyparamset));
/* set IBSS param set */
#define IBSS_PARA_IE_ID 6
#define IBSS_PARA_IE_LEN 2
adhs->ssparamset.ibssparamset.elementid = IBSS_PARA_IE_ID;
adhs->ssparamset.ibssparamset.len = IBSS_PARA_IE_LEN;
adhs->ssparamset.ibssparamset.atimwindow = adapter->atimwindow;
memcpy(&pbssdesc->ssparamset,
&adhs->ssparamset, sizeof(union IEEEtypes_ssparamset));
/* set capability info */
adhs->cap.ess = 0;
adhs->cap.ibss = 1;
pbssdesc->cap.ibss = 1;
/* probedelay */
adhs->probedelay = cpu_to_le16(cmd_scan_probe_delay_time);
/* set up privacy in adapter->scantable[i] */
if (adapter->secinfo.wep_enabled) {
lbs_deb_join("ADHOC_S_CMD: WEP enabled, setting privacy on\n");
pbssdesc->privacy = wlan802_11privfilter8021xWEP;
adhs->cap.privacy = AD_HOC_CAP_PRIVACY_ON;
} else {
lbs_deb_join("ADHOC_S_CMD: WEP disabled, setting privacy off\n");
pbssdesc->privacy = wlan802_11privfilteracceptall;
}
memset(adhs->datarate, 0, sizeof(adhs->datarate));
if (adapter->adhoc_grate_enabled) {
memcpy(adhs->datarate, libertas_adhoc_rates_g,
min(sizeof(adhs->datarate), sizeof(libertas_adhoc_rates_g)));
} else {
memcpy(adhs->datarate, libertas_adhoc_rates_b,
min(sizeof(adhs->datarate), sizeof(libertas_adhoc_rates_b)));
}
/* Find the last non zero */
for (i = 0; i < sizeof(adhs->datarate) && adhs->datarate[i]; i++) ;
adapter->curbssparams.numofrates = i;
/* Copy the ad-hoc creating rates into Current BSS state structure */
memcpy(&adapter->curbssparams.datarates,
&adhs->datarate, adapter->curbssparams.numofrates);
lbs_deb_join("ADHOC_S_CMD: rates=%02x %02x %02x %02x \n",
adhs->datarate[0], adhs->datarate[1],
adhs->datarate[2], adhs->datarate[3]);
lbs_deb_join("ADHOC_S_CMD: AD HOC Start command is ready\n");
if (libertas_create_dnld_countryinfo_11d(priv)) {
lbs_deb_join("ADHOC_S_CMD: dnld_countryinfo_11d failed\n");
ret = -1;
goto done;
}
cmd->size =
cpu_to_le16(sizeof(struct cmd_ds_802_11_ad_hoc_start)
+ S_DS_GEN + cmdappendsize);
memcpy(&tmpcap, &adhs->cap, sizeof(u16));
tmpcap = cpu_to_le16(tmpcap);
memcpy(&adhs->cap, &tmpcap, sizeof(u16));
ret = 0;
done:
lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret);
return ret;
}
int libertas_cmd_80211_ad_hoc_stop(wlan_private * priv,
struct cmd_ds_command *cmd)
{
cmd->command = cpu_to_le16(cmd_802_11_ad_hoc_stop);
cmd->size = cpu_to_le16(S_DS_GEN);
return 0;
}
int libertas_cmd_80211_ad_hoc_join(wlan_private * priv,
struct cmd_ds_command *cmd, void *pdata_buf)
{
wlan_adapter *adapter = priv->adapter;
struct cmd_ds_802_11_ad_hoc_join *padhocjoin = &cmd->params.adj;
struct bss_descriptor *pbssdesc = pdata_buf;
int cmdappendsize = 0;
int ret = 0;
u8 *card_rates;
int card_rates_size;
u16 tmpcap;
int i;
lbs_deb_enter(LBS_DEB_JOIN);
adapter->pattemptedbssdesc = pbssdesc;
cmd->command = cpu_to_le16(cmd_802_11_ad_hoc_join);
padhocjoin->bssdescriptor.bsstype = cmd_bss_type_ibss;
padhocjoin->bssdescriptor.beaconperiod = pbssdesc->beaconperiod;
memcpy(&padhocjoin->bssdescriptor.BSSID,
&pbssdesc->macaddress, ETH_ALEN);
memcpy(&padhocjoin->bssdescriptor.SSID,
&pbssdesc->ssid.ssid, pbssdesc->ssid.ssidlength);
memcpy(&padhocjoin->bssdescriptor.phyparamset,
&pbssdesc->phyparamset, sizeof(union ieeetypes_phyparamset));
memcpy(&padhocjoin->bssdescriptor.ssparamset,
&pbssdesc->ssparamset, sizeof(union IEEEtypes_ssparamset));
memcpy(&tmpcap, &pbssdesc->cap, sizeof(struct ieeetypes_capinfo));
tmpcap &= CAPINFO_MASK;
lbs_deb_join("ADHOC_J_CMD: tmpcap=%4X CAPINFO_MASK=%4X\n",
tmpcap, CAPINFO_MASK);
memcpy(&padhocjoin->bssdescriptor.cap, &tmpcap,
sizeof(struct ieeetypes_capinfo));
/* information on BSSID descriptor passed to FW */
lbs_deb_join(
"ADHOC_J_CMD: BSSID = %2x-%2x-%2x-%2x-%2x-%2x, SSID = %s\n",
padhocjoin->bssdescriptor.BSSID[0],
padhocjoin->bssdescriptor.BSSID[1],
padhocjoin->bssdescriptor.BSSID[2],
padhocjoin->bssdescriptor.BSSID[3],
padhocjoin->bssdescriptor.BSSID[4],
padhocjoin->bssdescriptor.BSSID[5],
padhocjoin->bssdescriptor.SSID);
/* failtimeout */
padhocjoin->failtimeout = cpu_to_le16(MRVDRV_ASSOCIATION_TIME_OUT);
/* probedelay */
padhocjoin->probedelay =
cpu_to_le16(cmd_scan_probe_delay_time);
/* Copy Data rates from the rates recorded in scan response */
memset(padhocjoin->bssdescriptor.datarates, 0,
sizeof(padhocjoin->bssdescriptor.datarates));
memcpy(padhocjoin->bssdescriptor.datarates, pbssdesc->datarates,
min(sizeof(padhocjoin->bssdescriptor.datarates),
sizeof(pbssdesc->datarates)));
card_rates = libertas_supported_rates;
card_rates_size = sizeof(libertas_supported_rates);
adapter->curbssparams.channel = pbssdesc->channel;
if (get_common_rates(adapter, padhocjoin->bssdescriptor.datarates,
sizeof(padhocjoin->bssdescriptor.datarates),
card_rates, card_rates_size)) {
lbs_deb_join("ADHOC_J_CMD: get_common_rates returns error.\n");
ret = -1;
goto done;
}
/* Find the last non zero */
for (i = 0; i < sizeof(padhocjoin->bssdescriptor.datarates)
&& padhocjoin->bssdescriptor.datarates[i]; i++) ;
adapter->curbssparams.numofrates = i;
/*
* Copy the adhoc joining rates to Current BSS State structure
*/
memcpy(adapter->curbssparams.datarates,
padhocjoin->bssdescriptor.datarates,
adapter->curbssparams.numofrates);
padhocjoin->bssdescriptor.ssparamset.ibssparamset.atimwindow =
cpu_to_le16(pbssdesc->atimwindow);
if (adapter->secinfo.wep_enabled) {
padhocjoin->bssdescriptor.cap.privacy = AD_HOC_CAP_PRIVACY_ON;
}
if (adapter->psmode == wlan802_11powermodemax_psp) {
/* wake up first */
enum WLAN_802_11_POWER_MODE Localpsmode;
Localpsmode = wlan802_11powermodecam;
ret = libertas_prepare_and_send_command(priv,
cmd_802_11_ps_mode,
cmd_act_set,
0, 0, &Localpsmode);
if (ret) {
ret = -1;
goto done;
}
}
if (libertas_parse_dnld_countryinfo_11d(priv)) {
ret = -1;
goto done;
}
cmd->size =
cpu_to_le16(sizeof(struct cmd_ds_802_11_ad_hoc_join)
+ S_DS_GEN + cmdappendsize);
memcpy(&tmpcap, &padhocjoin->bssdescriptor.cap,
sizeof(struct ieeetypes_capinfo));
tmpcap = cpu_to_le16(tmpcap);
memcpy(&padhocjoin->bssdescriptor.cap,
&tmpcap, sizeof(struct ieeetypes_capinfo));
done:
lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret);
return ret;
}
int libertas_ret_80211_associate(wlan_private * priv,
struct cmd_ds_command *resp)
{
wlan_adapter *adapter = priv->adapter;
int ret = 0;
union iwreq_data wrqu;
struct ieeetypes_assocrsp *passocrsp;
struct bss_descriptor *pbssdesc;
lbs_deb_enter(LBS_DEB_JOIN);
passocrsp = (struct ieeetypes_assocrsp *) & resp->params;
if (passocrsp->statuscode) {
libertas_mac_event_disconnected(priv);
lbs_deb_join("ASSOC_RESP: Association failed, status code = %d\n",
passocrsp->statuscode);
ret = -1;
goto done;
}
lbs_dbg_hex("ASSOC_RESP:", (void *)&resp->params,
le16_to_cpu(resp->size) - S_DS_GEN);
/* Send a Media Connected event, according to the Spec */
adapter->connect_status = libertas_connected;
/* Set the attempted BSSID Index to current */
pbssdesc = adapter->pattemptedbssdesc;
lbs_deb_join("ASSOC_RESP: %s\n", pbssdesc->ssid.ssid);
/* Set the new SSID to current SSID */
memcpy(&adapter->curbssparams.ssid,
&pbssdesc->ssid, sizeof(struct WLAN_802_11_SSID));
/* Set the new BSSID (AP's MAC address) to current BSSID */
memcpy(adapter->curbssparams.bssid,
pbssdesc->macaddress, ETH_ALEN);
/* Make a copy of current BSSID descriptor */
memcpy(&adapter->curbssparams.bssdescriptor,
pbssdesc, sizeof(struct bss_descriptor));
lbs_deb_join("ASSOC_RESP: currentpacketfilter is %x\n",
adapter->currentpacketfilter);
adapter->SNR[TYPE_RXPD][TYPE_AVG] = 0;
adapter->NF[TYPE_RXPD][TYPE_AVG] = 0;
memset(adapter->rawSNR, 0x00, sizeof(adapter->rawSNR));
memset(adapter->rawNF, 0x00, sizeof(adapter->rawNF));
adapter->nextSNRNF = 0;
adapter->numSNRNF = 0;
netif_carrier_on(priv->wlan_dev.netdev);
netif_wake_queue(priv->wlan_dev.netdev);
netif_carrier_on(priv->mesh_dev);
netif_wake_queue(priv->mesh_dev);
lbs_deb_join("ASSOC_RESP: Associated \n");
memcpy(wrqu.ap_addr.sa_data, adapter->curbssparams.bssid, ETH_ALEN);
wrqu.ap_addr.sa_family = ARPHRD_ETHER;
wireless_send_event(priv->wlan_dev.netdev, SIOCGIWAP, &wrqu, NULL);
done:
lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret);
return ret;
}
int libertas_ret_80211_disassociate(wlan_private * priv,
struct cmd_ds_command *resp)
{
lbs_deb_enter(LBS_DEB_JOIN);
libertas_mac_event_disconnected(priv);
lbs_deb_leave(LBS_DEB_JOIN);
return 0;
}
int libertas_ret_80211_ad_hoc_start(wlan_private * priv,
struct cmd_ds_command *resp)
{
wlan_adapter *adapter = priv->adapter;
int ret = 0;
u16 command = le16_to_cpu(resp->command);
u16 result = le16_to_cpu(resp->result);
struct cmd_ds_802_11_ad_hoc_result *padhocresult;
union iwreq_data wrqu;
struct bss_descriptor *pbssdesc;
lbs_deb_enter(LBS_DEB_JOIN);
padhocresult = &resp->params.result;
lbs_deb_join("ADHOC_S_RESP: size = %d\n", le16_to_cpu(resp->size));
lbs_deb_join("ADHOC_S_RESP: command = %x\n", command);
lbs_deb_join("ADHOC_S_RESP: result = %x\n", result);
pbssdesc = adapter->pattemptedbssdesc;
/*
* Join result code 0 --> SUCCESS
*/
if (result) {
lbs_deb_join("ADHOC_RESP failed\n");
if (adapter->connect_status == libertas_connected) {
libertas_mac_event_disconnected(priv);
}
memset(&adapter->curbssparams.bssdescriptor,
0x00, sizeof(adapter->curbssparams.bssdescriptor));
ret = -1;
goto done;
}
/*
* Now the join cmd should be successful
* If BSSID has changed use SSID to compare instead of BSSID
*/
lbs_deb_join("ADHOC_J_RESP %s\n", pbssdesc->ssid.ssid);
/* Send a Media Connected event, according to the Spec */
adapter->connect_status = libertas_connected;
if (command == cmd_ret_802_11_ad_hoc_start) {
/* Update the created network descriptor with the new BSSID */
memcpy(pbssdesc->macaddress,
padhocresult->BSSID, ETH_ALEN);
} else {
/* Make a copy of current BSSID descriptor, only needed for join since
* the current descriptor is already being used for adhoc start
*/
memmove(&adapter->curbssparams.bssdescriptor,
pbssdesc, sizeof(struct bss_descriptor));
}
/* Set the BSSID from the joined/started descriptor */
memcpy(&adapter->curbssparams.bssid,
pbssdesc->macaddress, ETH_ALEN);
/* Set the new SSID to current SSID */
memcpy(&adapter->curbssparams.ssid,
&pbssdesc->ssid, sizeof(struct WLAN_802_11_SSID));
netif_carrier_on(priv->wlan_dev.netdev);
netif_wake_queue(priv->wlan_dev.netdev);
netif_carrier_on(priv->mesh_dev);
netif_wake_queue(priv->mesh_dev);
memset(&wrqu, 0, sizeof(wrqu));
memcpy(wrqu.ap_addr.sa_data, adapter->curbssparams.bssid, ETH_ALEN);
wrqu.ap_addr.sa_family = ARPHRD_ETHER;
wireless_send_event(priv->wlan_dev.netdev, SIOCGIWAP, &wrqu, NULL);
lbs_deb_join("ADHOC_RESP: - Joined/Started Ad Hoc\n");
lbs_deb_join("ADHOC_RESP: channel = %d\n", adapter->adhocchannel);
lbs_deb_join("ADHOC_RESP: BSSID = %02x:%02x:%02x:%02x:%02x:%02x\n",
padhocresult->BSSID[0], padhocresult->BSSID[1],
padhocresult->BSSID[2], padhocresult->BSSID[3],
padhocresult->BSSID[4], padhocresult->BSSID[5]);
done:
lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret);
return ret;
}
int libertas_ret_80211_ad_hoc_stop(wlan_private * priv,
struct cmd_ds_command *resp)
{
lbs_deb_enter(LBS_DEB_JOIN);
libertas_mac_event_disconnected(priv);
lbs_deb_leave(LBS_DEB_JOIN);
return 0;
}
