/**
* This file contains the handling of command.
* It prepares command and sends it to firmware when it is ready.
*/
#include <net/iw_handler.h>
#include "host.h"
#include "hostcmd.h"
#include "sbi.h"
#include "decl.h"
#include "defs.h"
#include "dev.h"
#include "join.h"
#include "wext.h"
static void cleanup_cmdnode(struct cmd_ctrl_node *ptempnode);
static u16 commands_allowed_in_ps[] = {
cmd_802_11_rssi,
};
/**
* @brief This function checks if the commans is allowed
* in PS mode not.
*
* @param command the command ID
* @return TRUE or FALSE
*/
static u8 is_command_allowed_in_ps(u16 command)
{
int count = sizeof(commands_allowed_in_ps)
/ sizeof(commands_allowed_in_ps[0]);
int i;
for (i = 0; i < count; i++) {
if (command == cpu_to_le16(commands_allowed_in_ps[i]))
return 1;
}
return 0;
}
static int wlan_cmd_hw_spec(wlan_private * priv, struct cmd_ds_command *cmd)
{
struct cmd_ds_get_hw_spec *hwspec = &cmd->params.hwspec;
ENTER();
cmd->command = cpu_to_le16(cmd_get_hw_spec);
cmd->size =
cpu_to_le16(sizeof(struct cmd_ds_get_hw_spec) + S_DS_GEN);
memcpy(hwspec->permanentaddr, priv->adapter->current_addr, ETH_ALEN);
LEAVE();
return 0;
}
static int wlan_cmd_802_11_ps_mode(wlan_private * priv,
struct cmd_ds_command *cmd,
u16 cmd_action)
{
struct cmd_ds_802_11_ps_mode *psm = &cmd->params.psmode;
u16 action = cmd_action;
wlan_adapter *adapter = priv->adapter;
ENTER();
cmd->command = cpu_to_le16(cmd_802_11_ps_mode);
cmd->size =
cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode) +
S_DS_GEN);
psm->action = cpu_to_le16(cmd_action);
psm->multipledtim = 0;
switch (action) {
case cmd_subcmd_enter_ps:
lbs_pr_debug(1, "PS command:" "SubCode- Enter PS\n");
lbs_pr_debug(1, "locallisteninterval = %d\n",
adapter->locallisteninterval);
psm->locallisteninterval =
cpu_to_le16(adapter->locallisteninterval);
psm->nullpktinterval =
cpu_to_le16(adapter->nullpktinterval);
psm->multipledtim =
cpu_to_le16(priv->adapter->multipledtim);
break;
case cmd_subcmd_exit_ps:
lbs_pr_debug(1, "PS command:" "SubCode- Exit PS\n");
break;
case cmd_subcmd_sleep_confirmed:
lbs_pr_debug(1, "PS command: SubCode- sleep confirm\n");
break;
default:
break;
}
LEAVE();
return 0;
}
static int wlan_cmd_802_11_inactivity_timeout(wlan_private * priv,
struct cmd_ds_command *cmd,
u16 cmd_action, void *pdata_buf)
{
u16 *timeout = pdata_buf;
cmd->command = cpu_to_le16(cmd_802_11_inactivity_timeout);
cmd->size =
cpu_to_le16(sizeof(struct cmd_ds_802_11_inactivity_timeout)
+ S_DS_GEN);
cmd->params.inactivity_timeout.action = cpu_to_le16(cmd_action);
if (cmd_action)
cmd->params.inactivity_timeout.timeout =
cpu_to_le16(*timeout);
else
cmd->params.inactivity_timeout.timeout = 0;
return 0;
}
static int wlan_cmd_802_11_sleep_params(wlan_private * priv,
struct cmd_ds_command *cmd,
u16 cmd_action)
{
wlan_adapter *adapter = priv->adapter;
struct cmd_ds_802_11_sleep_params *sp = &cmd->params.sleep_params;
ENTER();
cmd->size =
cpu_to_le16((sizeof(struct cmd_ds_802_11_sleep_params)) +
S_DS_GEN);
cmd->command = cpu_to_le16(cmd_802_11_sleep_params);
if (cmd_action == cmd_act_get) {
memset(&adapter->sp, 0, sizeof(struct sleep_params));
memset(sp, 0, sizeof(struct cmd_ds_802_11_sleep_params));
sp->action = cpu_to_le16(cmd_action);
} else if (cmd_action == cmd_act_set) {
sp->action = cpu_to_le16(cmd_action);
sp->error = cpu_to_le16(adapter->sp.sp_error);
sp->offset = cpu_to_le16(adapter->sp.sp_offset);
sp->stabletime = cpu_to_le16(adapter->sp.sp_stabletime);
sp->calcontrol = (u8) adapter->sp.sp_calcontrol;
sp->externalsleepclk = (u8) adapter->sp.sp_extsleepclk;
sp->reserved = cpu_to_le16(adapter->sp.sp_reserved);
}
LEAVE();
return 0;
}
static int wlan_cmd_802_11_set_wep(wlan_private * priv,
struct cmd_ds_command *cmd,
u32 cmd_act,
void * pdata_buf)
{
struct cmd_ds_802_11_set_wep *wep = &cmd->params.wep;
wlan_adapter *adapter = priv->adapter;
int ret = 0;
struct assoc_request * assoc_req = pdata_buf;
ENTER();
cmd->command = cpu_to_le16(cmd_802_11_set_wep);
cmd->size = cpu_to_le16((sizeof(struct cmd_ds_802_11_set_wep))
+ S_DS_GEN);
if (cmd_act == cmd_act_add) {
int i;
if (!assoc_req) {
lbs_pr_debug(1, "Invalid association request!");
ret = -1;
goto done;
}
wep->action = cpu_to_le16(cmd_act_add);
/* default tx key index */
wep->keyindex = cpu_to_le16((u16)
(assoc_req->wep_tx_keyidx &
(u32)cmd_WEP_KEY_INDEX_MASK));
lbs_pr_debug(1, "Tx key Index: %u\n", wep->keyindex);
/* Copy key types and material to host command structure */
for (i = 0; i < 4; i++) {
struct WLAN_802_11_KEY * pkey = &assoc_req->wep_keys[i];
switch (pkey->len) {
case KEY_LEN_WEP_40:
wep->keytype[i] = cmd_type_wep_40_bit;
memmove(&wep->keymaterial[i], pkey->key,
pkey->len);
break;
case KEY_LEN_WEP_104:
wep->keytype[i] = cmd_type_wep_104_bit;
memmove(&wep->keymaterial[i], pkey->key,
pkey->len);
break;
case 0:
break;
default:
lbs_pr_debug(1, "Invalid WEP key %d length of %d\n",
i, pkey->len);
ret = -1;
goto done;
break;
}
}
} else if (cmd_act == cmd_act_remove) {
/* ACT_REMOVE clears _all_ WEP keys */
wep->action = cpu_to_le16(cmd_act_remove);
/* default tx key index */
wep->keyindex = cpu_to_le16((u16)
(adapter->wep_tx_keyidx &
(u32)cmd_WEP_KEY_INDEX_MASK));
}
ret = 0;
done:
LEAVE();
return ret;
}
static int wlan_cmd_802_11_enable_rsn(wlan_private * priv,
struct cmd_ds_command *cmd,
u16 cmd_action)
{
struct cmd_ds_802_11_enable_rsn *penableRSN = &cmd->params.enbrsn;
wlan_adapter *adapter = priv->adapter;
cmd->command = cpu_to_le16(cmd_802_11_enable_rsn);
cmd->size =
cpu_to_le16(sizeof(struct cmd_ds_802_11_enable_rsn) +
S_DS_GEN);
penableRSN->action = cpu_to_le16(cmd_action);
if (adapter->secinfo.WPAenabled || adapter->secinfo.WPA2enabled) {
penableRSN->enable = cpu_to_le16(cmd_enable_rsn);
} else {
penableRSN->enable = cpu_to_le16(cmd_disable_rsn);
}
return 0;
}
static void set_one_wpa_key(struct MrvlIEtype_keyParamSet * pkeyparamset,
struct WLAN_802_11_KEY * pkey)
{
pkeyparamset->keytypeid = cpu_to_le16(pkey->type);
if (pkey->flags & KEY_INFO_WPA_ENABLED) {
pkeyparamset->keyinfo = cpu_to_le16(KEY_INFO_WPA_ENABLED);
} else {
pkeyparamset->keyinfo = cpu_to_le16(!KEY_INFO_WPA_ENABLED);
}
if (pkey->flags & KEY_INFO_WPA_UNICAST) {
pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST);
} else if (pkey->flags & KEY_INFO_WPA_MCAST) {
pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST);
}
pkeyparamset->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
pkeyparamset->keylen = cpu_to_le16(pkey->len);
memcpy(pkeyparamset->key, pkey->key, pkey->len);
pkeyparamset->length = cpu_to_le16( sizeof(pkeyparamset->keytypeid)
+ sizeof(pkeyparamset->keyinfo)
+ sizeof(pkeyparamset->keylen)
+ sizeof(pkeyparamset->key));
}
static int wlan_cmd_802_11_key_material(wlan_private * priv,
struct cmd_ds_command *cmd,
u16 cmd_action,
u32 cmd_oid, void *pdata_buf)
{
wlan_adapter *adapter = priv->adapter;
struct cmd_ds_802_11_key_material *pkeymaterial =
&cmd->params.keymaterial;
int ret = 0;
int index = 0;
ENTER();
cmd->command = cpu_to_le16(cmd_802_11_key_material);
pkeymaterial->action = cpu_to_le16(cmd_action);
if (cmd_action == cmd_act_get) {
cmd->size = cpu_to_le16( S_DS_GEN
+ sizeof (pkeymaterial->action));
ret = 0;
goto done;
}
memset(&pkeymaterial->keyParamSet, 0, sizeof(pkeymaterial->keyParamSet));
if (adapter->wpa_unicast_key.len) {
set_one_wpa_key(&pkeymaterial->keyParamSet[index],
&adapter->wpa_unicast_key);
index++;
}
if (adapter->wpa_mcast_key.len) {
set_one_wpa_key(&pkeymaterial->keyParamSet[index],
&adapter->wpa_mcast_key);
index++;
}
cmd->size = cpu_to_le16( S_DS_GEN
+ sizeof (pkeymaterial->action)
+ index * sizeof(struct MrvlIEtype_keyParamSet));
ret = 0;
done:
LEAVE();
return ret;
}
static int wlan_cmd_802_11_reset(wlan_private * priv,
struct cmd_ds_command *cmd, int cmd_action)
{
struct cmd_ds_802_11_reset *reset = &cmd->params.reset;
cmd->command = cpu_to_le16(cmd_802_11_reset);
cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN);
reset->action = cpu_to_le16(cmd_action);
return 0;
}
static int wlan_cmd_802_11_get_log(wlan_private * priv,
struct cmd_ds_command *cmd)
{
cmd->command = cpu_to_le16(cmd_802_11_get_log);
cmd->size =
cpu_to_le16(sizeof(struct cmd_ds_802_11_get_log) + S_DS_GEN);
return 0;
}
static int wlan_cmd_802_11_get_stat(wlan_private * priv,
struct cmd_ds_command *cmd)
{
cmd->command = cpu_to_le16(cmd_802_11_get_stat);
cmd->size =
cpu_to_le16(sizeof(struct cmd_ds_802_11_get_stat) +
S_DS_GEN);
return 0;
}
static int wlan_cmd_802_11_snmp_mib(wlan_private * priv,
struct cmd_ds_command *cmd,
int cmd_action,
int cmd_oid, void *pdata_buf)
{
struct cmd_ds_802_11_snmp_mib *pSNMPMIB = &cmd->params.smib;
wlan_adapter *adapter = priv->adapter;
u8 ucTemp;
ENTER();
lbs_pr_debug(1, "SNMP_CMD: cmd_oid = 0x%x\n", cmd_oid);
cmd->command = cpu_to_le16(cmd_802_11_snmp_mib);
cmd->size =
cpu_to_le16(sizeof(struct cmd_ds_802_11_snmp_mib) +
S_DS_GEN);
switch (cmd_oid) {
case OID_802_11_INFRASTRUCTURE_MODE:
{
u8 mode = (u8) (size_t) pdata_buf;
pSNMPMIB->querytype = cpu_to_le16(cmd_act_set);
pSNMPMIB->oid = cpu_to_le16((u16) desired_bsstype_i);
pSNMPMIB->bufsize = sizeof(u8);
if (mode == IW_MODE_ADHOC) {
ucTemp = SNMP_MIB_VALUE_ADHOC;
} else {
/* Infra and Auto modes */
ucTemp = SNMP_MIB_VALUE_INFRA;
}
memmove(pSNMPMIB->value, &ucTemp, sizeof(u8));
break;
}
case OID_802_11D_ENABLE:
{
u32 ulTemp;
pSNMPMIB->oid = cpu_to_le16((u16) dot11d_i);
if (cmd_action == cmd_act_set) {
pSNMPMIB->querytype = cmd_act_set;
pSNMPMIB->bufsize = sizeof(u16);
ulTemp = *(u32 *)pdata_buf;
*((unsigned short *)(pSNMPMIB->value)) =
cpu_to_le16((u16) ulTemp);
}
break;
}
case OID_802_11_FRAGMENTATION_THRESHOLD:
{
u32 ulTemp;
pSNMPMIB->oid = cpu_to_le16((u16) fragthresh_i);
if (cmd_action == cmd_act_get) {
pSNMPMIB->querytype =
cpu_to_le16(cmd_act_get);
} else if (cmd_action == cmd_act_set) {
pSNMPMIB->querytype =
cpu_to_le16(cmd_act_set);
pSNMPMIB->bufsize =
cpu_to_le16(sizeof(u16));
ulTemp = *((u32 *) pdata_buf);
*((unsigned short *)(pSNMPMIB->value)) =
cpu_to_le16((u16) ulTemp);
}
break;
}
case OID_802_11_RTS_THRESHOLD:
{
u32 ulTemp;
pSNMPMIB->oid = le16_to_cpu((u16) rtsthresh_i);
if (cmd_action == cmd_act_get) {
pSNMPMIB->querytype =
cpu_to_le16(cmd_act_get);
} else if (cmd_action == cmd_act_set) {
pSNMPMIB->querytype =
cpu_to_le16(cmd_act_set);
pSNMPMIB->bufsize =
cpu_to_le16(sizeof(u16));
ulTemp = *((u32 *)
pdata_buf);
*(unsigned short *)(pSNMPMIB->value) =
cpu_to_le16((u16) ulTemp);
}
break;
}
case OID_802_11_TX_RETRYCOUNT:
pSNMPMIB->oid = cpu_to_le16((u16) short_retrylim_i);
if (cmd_action == cmd_act_get) {
pSNMPMIB->querytype =
cpu_to_le16(cmd_act_get);
} else if (cmd_action == cmd_act_set) {
pSNMPMIB->querytype =
cpu_to_le16(cmd_act_set);
pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
*((unsigned short *)(pSNMPMIB->value)) =
cpu_to_le16((u16) adapter->txretrycount);
}
break;
default:
break;
}
lbs_pr_debug(1,
"SNMP_CMD: command=0x%x, size=0x%x, seqnum=0x%x, result=0x%x\n",
cmd->command, cmd->size, cmd->seqnum, cmd->result);
lbs_pr_debug(1,
"SNMP_CMD: action=0x%x, oid=0x%x, oidsize=0x%x, value=0x%x\n",
pSNMPMIB->querytype, pSNMPMIB->oid, pSNMPMIB->bufsize,
*(u16 *) pSNMPMIB->value);
LEAVE();
return 0;
}
static int wlan_cmd_802_11_radio_control(wlan_private * priv,
struct cmd_ds_command *cmd,
int cmd_action)
{
wlan_adapter *adapter = priv->adapter;
struct cmd_ds_802_11_radio_control *pradiocontrol =
&cmd->params.radio;
ENTER();
cmd->size =
cpu_to_le16((sizeof(struct cmd_ds_802_11_radio_control)) +
S_DS_GEN);
cmd->command = cpu_to_le16(cmd_802_11_radio_control);
pradiocontrol->action = cpu_to_le16(cmd_action);
switch (adapter->preamble) {
case cmd_type_short_preamble:
pradiocontrol->control = cpu_to_le16(SET_SHORT_PREAMBLE);
break;
case cmd_type_long_preamble:
pradiocontrol->control = cpu_to_le16(SET_LONG_PREAMBLE);
break;
case cmd_type_auto_preamble:
default:
pradiocontrol->control = cpu_to_le16(SET_AUTO_PREAMBLE);
break;
}
if (adapter->radioon)
pradiocontrol->control |= cpu_to_le16(TURN_ON_RF);
else
pradiocontrol->control &= cpu_to_le16(~TURN_ON_RF);
LEAVE();
return 0;
}
static int wlan_cmd_802_11_rf_tx_power(wlan_private * priv,
struct cmd_ds_command *cmd,
u16 cmd_action, void *pdata_buf)
{
struct cmd_ds_802_11_rf_tx_power *prtp = &cmd->params.txp;
ENTER();
cmd->size =
cpu_to_le16((sizeof(struct cmd_ds_802_11_rf_tx_power)) +
S_DS_GEN);
cmd->command = cpu_to_le16(cmd_802_11_rf_tx_power);
prtp->action = cmd_action;
lbs_pr_debug(1, "RF_TX_POWER_CMD: size:%d cmd:0x%x Act:%d\n", cmd->size,
cmd->command, prtp->action);
switch (cmd_action) {
case cmd_act_tx_power_opt_get:
prtp->action = cpu_to_le16(cmd_act_get);
prtp->currentlevel = 0;
break;
case cmd_act_tx_power_opt_set_high:
prtp->action = cpu_to_le16(cmd_act_set);
prtp->currentlevel =
cpu_to_le16(cmd_act_tx_power_index_high);
break;
case cmd_act_tx_power_opt_set_mid:
prtp->action = cpu_to_le16(cmd_act_set);
prtp->currentlevel =
cpu_to_le16(cmd_act_tx_power_index_mid);
break;
case cmd_act_tx_power_opt_set_low:
prtp->action = cpu_to_le16(cmd_act_set);
prtp->currentlevel = cpu_to_le16(*((u16 *) pdata_buf));
break;
}
LEAVE();
return 0;
}
static int wlan_cmd_802_11_rf_antenna(wlan_private * priv,
struct cmd_ds_command *cmd,
u16 cmd_action, void *pdata_buf)
{
struct cmd_ds_802_11_rf_antenna *rant = &cmd->params.rant;
cmd->command = cpu_to_le16(cmd_802_11_rf_antenna);
cmd->size =
cpu_to_le16(sizeof(struct cmd_ds_802_11_rf_antenna) +
S_DS_GEN);
rant->action = cpu_to_le16(cmd_action);
if ((cmd_action == cmd_act_set_rx) ||
(cmd_action == cmd_act_set_tx)) {
rant->antennamode =
cpu_to_le16((u16) (*(u32 *) pdata_buf));
}
return 0;
}
static int wlan_cmd_802_11_rate_adapt_rateset(wlan_private * priv,
struct cmd_ds_command *cmd,
u16 cmd_action)
{
struct cmd_ds_802_11_rate_adapt_rateset
*rateadapt = &cmd->params.rateset;
wlan_adapter *adapter = priv->adapter;
cmd->size =
cpu_to_le16(sizeof(struct cmd_ds_802_11_rate_adapt_rateset)
+ S_DS_GEN);
cmd->command = cpu_to_le16(cmd_802_11_rate_adapt_rateset);
ENTER();
rateadapt->action = cmd_action;
rateadapt->enablehwauto = adapter->enablehwauto;
rateadapt->bitmap = adapter->ratebitmap;
LEAVE();
return 0;
}
static int wlan_cmd_802_11_data_rate(wlan_private * priv,
struct cmd_ds_command *cmd,
u16 cmd_action)
{
struct cmd_ds_802_11_data_rate *pdatarate = &cmd->params.drate;
wlan_adapter *adapter = priv->adapter;
u16 action = cmd_action;
ENTER();
cmd->size =
cpu_to_le16(sizeof(struct cmd_ds_802_11_data_rate) +
S_DS_GEN);
cmd->command = cpu_to_le16(cmd_802_11_data_rate);
memset(pdatarate, 0, sizeof(struct cmd_ds_802_11_data_rate));
pdatarate->action = cpu_to_le16(cmd_action);
if (action == cmd_act_set_tx_fix_rate) {
pdatarate->datarate[0] = libertas_data_rate_to_index(adapter->datarate);
lbs_pr_debug(1, "Setting FW for fixed rate 0x%02X\n",
adapter->datarate);
} else if (action == cmd_act_set_tx_auto) {
lbs_pr_debug(1, "Setting FW for AUTO rate\n");
}
LEAVE();
return 0;
}
static int wlan_cmd_mac_multicast_adr(wlan_private * priv,
struct cmd_ds_command *cmd,
u16 cmd_action)
{
struct cmd_ds_mac_multicast_adr *pMCastAdr = &cmd->params.madr;
wlan_adapter *adapter = priv->adapter;
cmd->size =
cpu_to_le16(sizeof(struct cmd_ds_mac_multicast_adr) +
S_DS_GEN);
cmd->command = cpu_to_le16(cmd_mac_multicast_adr);
pMCastAdr->action = cpu_to_le16(cmd_action);
pMCastAdr->nr_of_adrs =
cpu_to_le16((u16) adapter->nr_of_multicastmacaddr);
memcpy(pMCastAdr->maclist, adapter->multicastlist,
adapter->nr_of_multicastmacaddr * ETH_ALEN);
return 0;
}
static int wlan_cmd_802_11_rf_channel(wlan_private * priv,
struct cmd_ds_command *cmd,
int option, void *pdata_buf)
{
struct cmd_ds_802_11_rf_channel *rfchan = &cmd->params.rfchannel;
cmd->command = cpu_to_le16(cmd_802_11_rf_channel);
cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rf_channel)
+ S_DS_GEN);
if (option == cmd_opt_802_11_rf_channel_set) {
rfchan->currentchannel = cpu_to_le16(*((u16 *) pdata_buf));
}
rfchan->action = cpu_to_le16(option);
return 0;
}
static int wlan_cmd_802_11_rssi(wlan_private * priv,
struct cmd_ds_command *cmd)
{
wlan_adapter *adapter = priv->adapter;
cmd->command = cpu_to_le16(cmd_802_11_rssi);
cmd->size =
cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN);
cmd->params.rssi.N = priv->adapter->bcn_avg_factor;
/* reset Beacon SNR/NF/RSSI values */
adapter->SNR[TYPE_BEACON][TYPE_NOAVG] = 0;
adapter->SNR[TYPE_BEACON][TYPE_AVG] = 0;
adapter->NF[TYPE_BEACON][TYPE_NOAVG] = 0;
adapter->NF[TYPE_BEACON][TYPE_AVG] = 0;
adapter->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0;
adapter->RSSI[TYPE_BEACON][TYPE_AVG] = 0;
return 0;
}
static int wlan_cmd_reg_access(wlan_private * priv,
struct cmd_ds_command *cmdptr,
u8 cmd_action, void *pdata_buf)
{
struct wlan_offset_value *offval;
ENTER();
offval = (struct wlan_offset_value *)pdata_buf;
switch (cmdptr->command) {
case cmd_mac_reg_access:
{
struct cmd_ds_mac_reg_access *macreg;
cmdptr->size =
cpu_to_le16(sizeof
(struct cmd_ds_mac_reg_access)
+ S_DS_GEN);
macreg =
(struct cmd_ds_mac_reg_access *)&cmdptr->params.
macreg;
macreg->action = cpu_to_le16(cmd_action);
macreg->offset = cpu_to_le16((u16) offval->offset);
macreg->value = cpu_to_le32(offval->value);
break;
}
case cmd_bbp_reg_access:
{
struct cmd_ds_bbp_reg_access *bbpreg;
cmdptr->size =
cpu_to_le16(sizeof
(struct cmd_ds_bbp_reg_access)
+ S_DS_GEN);
bbpreg =
(struct cmd_ds_bbp_reg_access *)&cmdptr->params.
bbpreg;
bbpreg->action = cpu_to_le16(cmd_action);
bbpreg->offset = cpu_to_le16((u16) offval->offset);
bbpreg->value = (u8) offval->value;
break;
}
case cmd_rf_reg_access:
{
struct cmd_ds_rf_reg_access *rfreg;
cmdptr->size =
cpu_to_le16(sizeof
(struct cmd_ds_rf_reg_access) +
S_DS_GEN);
rfreg =
(struct cmd_ds_rf_reg_access *)&cmdptr->params.
rfreg;
rfreg->action = cpu_to_le16(cmd_action);
rfreg->offset = cpu_to_le16((u16) offval->offset);
rfreg->value = (u8) offval->value;
break;
}
default:
break;
}
LEAVE();
return 0;
}
static int wlan_cmd_802_11_mac_address(wlan_private * priv,
struct cmd_ds_command *cmd,
u16 cmd_action)
{
wlan_adapter *adapter = priv->adapter;
cmd->command = cpu_to_le16(cmd_802_11_mac_address);
cmd->size =
cpu_to_le16(sizeof(struct cmd_ds_802_11_mac_address) +
S_DS_GEN);
cmd->result = 0;
cmd->params.macadd.action = cpu_to_le16(cmd_action);
if (cmd_action == cmd_act_set) {
memcpy(cmd->params.macadd.macadd,
adapter->current_addr, ETH_ALEN);
lbs_dbg_hex("SET_CMD: MAC ADDRESS-", adapter->current_addr, 6);
}
return 0;
}
static int wlan_cmd_802_11_eeprom_access(wlan_private * priv,
struct cmd_ds_command *cmd,
int cmd_action, void *pdata_buf)
{
struct wlan_ioctl_regrdwr *ea = pdata_buf;
ENTER();
cmd->command = cpu_to_le16(cmd_802_11_eeprom_access);
cmd->size =
cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) +
S_DS_GEN);
cmd->result = 0;
cmd->params.rdeeprom.action = cpu_to_le16(ea->action);
cmd->params.rdeeprom.offset = cpu_to_le16(ea->offset);
cmd->params.rdeeprom.bytecount = cpu_to_le16(ea->NOB);
cmd->params.rdeeprom.value = 0;
return 0;
}
static int wlan_cmd_bt_access(wlan_private * priv,
struct cmd_ds_command *cmd,
u16 cmd_action, void *pdata_buf)
{
struct cmd_ds_bt_access *bt_access = &cmd->params.bt;
lbs_pr_debug(1, "BT CMD(%d)\n", cmd_action);
cmd->command = cpu_to_le16(cmd_bt_access);
cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access)
+ S_DS_GEN);
cmd->result = 0;
bt_access->action = cpu_to_le16(cmd_action);
switch (cmd_action) {
case cmd_act_bt_access_add:
memcpy(bt_access->addr1, pdata_buf, 2 * ETH_ALEN);
lbs_dbg_hex("BT_ADD: blinded mac address-", bt_access->addr1, 6);
break;
case cmd_act_bt_access_del:
memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN);
lbs_dbg_hex("BT_DEL: blinded mac address-", bt_access->addr1, 6);
break;
case cmd_act_bt_access_list:
bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
break;
case cmd_act_bt_access_reset:
break;
default:
break;
}
return 0;
}
static int wlan_cmd_fwt_access(wlan_private * priv,
struct cmd_ds_command *cmd,
u16 cmd_action, void *pdata_buf)
{
struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt;
lbs_pr_debug(1, "FWT CMD(%d)\n", cmd_action);
cmd->command = cpu_to_le16(cmd_fwt_access);
cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access)
+ S_DS_GEN);
cmd->result = 0;
if (pdata_buf)
memcpy(fwt_access, pdata_buf, sizeof(*fwt_access));
else
memset(fwt_access, 0, sizeof(*fwt_access));
fwt_access->action = cpu_to_le16(cmd_action);
return 0;
}
static int wlan_cmd_mesh_access(wlan_private * priv,
struct cmd_ds_command *cmd,
u16 cmd_action, void *pdata_buf)
{
struct cmd_ds_mesh_access *mesh_access = &cmd->params.mesh;
lbs_pr_debug(1, "FWT CMD(%d)\n", cmd_action);
cmd->command = cpu_to_le16(cmd_mesh_access);
cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mesh_access)
+ S_DS_GEN);
cmd->result = 0;
if (pdata_buf)
memcpy(mesh_access, pdata_buf, sizeof(*mesh_access));
else
memset(mesh_access, 0, sizeof(*mesh_access));
mesh_access->action = cpu_to_le16(cmd_action);
return 0;
}
void libertas_queue_cmd(wlan_adapter * adapter, struct cmd_ctrl_node *cmdnode, u8 addtail)
{
unsigned long flags;
struct cmd_ds_command *cmdptr;
ENTER();
if (!cmdnode) {
lbs_pr_debug(1, "QUEUE_CMD: cmdnode is NULL\n");
goto done;
}
cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
if (!cmdptr) {
lbs_pr_debug(1, "QUEUE_CMD: cmdptr is NULL\n");
goto done;
}
/* Exit_PS command needs to be queued in the header always. */
if (cmdptr->command == cmd_802_11_ps_mode) {
struct cmd_ds_802_11_ps_mode *psm = &cmdptr->params.psmode;
if (psm->action == cmd_subcmd_exit_ps) {
if (adapter->psstate != PS_STATE_FULL_POWER)
addtail = 0;
}
}
spin_lock_irqsave(&adapter->driver_lock, flags);
if (addtail)
list_add_tail((struct list_head *)cmdnode,
&adapter->cmdpendingq);
else
list_add((struct list_head *)cmdnode, &adapter->cmdpendingq);
spin_unlock_irqrestore(&adapter->driver_lock, flags);
lbs_pr_debug(1, "QUEUE_CMD: Inserted node=%p, cmd=0x%x in cmdpendingq\n",
cmdnode,
((struct cmd_ds_gen*)cmdnode->bufvirtualaddr)->command);
done:
LEAVE();
return;
}
/*
* TODO: Fix the issue when DownloadcommandToStation is being called the
* second time when the command timesout. All the cmdptr->xxx are in little
* endian and therefore all the comparissions will fail.
* For now - we are not performing the endian conversion the second time - but
* for PS and DEEP_SLEEP we need to worry
*/
static int DownloadcommandToStation(wlan_private * priv,
struct cmd_ctrl_node *cmdnode)
{
unsigned long flags;
struct cmd_ds_command *cmdptr;
wlan_adapter *adapter = priv->adapter;
int ret = 0;
u16 cmdsize;
u16 command;
ENTER();
if (!adapter || !cmdnode) {
lbs_pr_debug(1, "DNLD_CMD: adapter = %p, cmdnode = %p\n",
adapter, cmdnode);
if (cmdnode) {
spin_lock_irqsave(&adapter->driver_lock, flags);
__libertas_cleanup_and_insert_cmd(priv, cmdnode);
spin_unlock_irqrestore(&adapter->driver_lock, flags);
}
ret = -1;
goto done;
}
cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
spin_lock_irqsave(&adapter->driver_lock, flags);
if (!cmdptr || !cmdptr->size) {
lbs_pr_debug(1, "DNLD_CMD: cmdptr is Null or cmd size is Zero, "
"Not sending\n");
__libertas_cleanup_and_insert_cmd(priv, cmdnode);
spin_unlock_irqrestore(&adapter->driver_lock, flags);
ret = -1;
goto done;
}
adapter->cur_cmd = cmdnode;
adapter->cur_cmd_retcode = 0;
spin_unlock_irqrestore(&adapter->driver_lock, flags);
lbs_pr_debug(1, "DNLD_CMD:: Before download, size of cmd = %d\n",
cmdptr->size);
cmdsize = cmdptr->size;
command = cpu_to_le16(cmdptr->command);
cmdnode->cmdwaitqwoken = 0;
cmdsize = cpu_to_le16(cmdsize);
ret = libertas_sbi_host_to_card(priv, MVMS_CMD, (u8 *) cmdptr, cmdsize);
if (ret != 0) {
lbs_pr_debug(1, "DNLD_CMD: Host to Card failed\n");
spin_lock_irqsave(&adapter->driver_lock, flags);
__libertas_cleanup_and_insert_cmd(priv, adapter->cur_cmd);
adapter->cur_cmd = NULL;
spin_unlock_irqrestore(&adapter->driver_lock, flags);
ret = -1;
goto done;
}
lbs_pr_debug(1, "DNLD_CMD: Sent command 0x%x @ %lu\n", command, jiffies);
lbs_dbg_hex("DNLD_CMD: command", cmdnode->bufvirtualaddr, cmdsize);
/* Setup the timer after transmit command */
if (command == cmd_802_11_scan
|| command == cmd_802_11_authenticate
|| command == cmd_802_11_associate)
mod_timer(&adapter->command_timer, jiffies + (10*HZ));
else
mod_timer(&adapter->command_timer, jiffies + (5*HZ));
ret = 0;
done:
LEAVE();
return ret;
}
static int wlan_cmd_mac_control(wlan_private * priv,
struct cmd_ds_command *cmd)
{
struct cmd_ds_mac_control *mac = &cmd->params.macctrl;
ENTER();
cmd->command = cpu_to_le16(cmd_mac_control);
cmd->size =
cpu_to_le16(sizeof(struct cmd_ds_mac_control) + S_DS_GEN);
mac->action = cpu_to_le16(priv->adapter->currentpacketfilter);
lbs_pr_debug(1, "wlan_cmd_mac_control(): action=0x%X size=%d\n",
mac->action, cmd->size);
LEAVE();
return 0;
}
/**
* This function inserts command node to cmdfreeq
* after cleans it. Requires adapter->driver_lock held.
*/
void __libertas_cleanup_and_insert_cmd(wlan_private * priv, struct cmd_ctrl_node *ptempcmd)
{
wlan_adapter *adapter = priv->adapter;
if (!ptempcmd)
goto done;
cleanup_cmdnode(ptempcmd);
list_add_tail((struct list_head *)ptempcmd, &adapter->cmdfreeq);
done:
return;
}
void libertas_cleanup_and_insert_cmd(wlan_private * priv, struct cmd_ctrl_node *ptempcmd)
{
unsigned long flags;
spin_lock_irqsave(&priv->adapter->driver_lock, flags);
__libertas_cleanup_and_insert_cmd(priv, ptempcmd);
spin_unlock_irqrestore(&priv->adapter->driver_lock, flags);
}
int libertas_set_radio_control(wlan_private * priv)
{
int ret = 0;
ENTER();
ret = libertas_prepare_and_send_command(priv,
cmd_802_11_radio_control,
cmd_act_set,
cmd_option_waitforrsp, 0, NULL);
lbs_pr_debug(1, "RADIO_SET: on or off: 0x%X, preamble = 0x%X\n",
priv->adapter->radioon, priv->adapter->preamble);
LEAVE();
return ret;
}
int libertas_set_mac_packet_filter(wlan_private * priv)
{
int ret = 0;
ENTER();
lbs_pr_debug(1, "libertas_set_mac_packet_filter value = %x\n",
priv->adapter->currentpacketfilter);
/* Send MAC control command to station */
ret = libertas_prepare_and_send_command(priv,
cmd_mac_control, 0, 0, 0, NULL);
LEAVE();
return ret;
}
/**
* @brief This function prepare the command before send to firmware.
*
* @param priv A pointer to wlan_private structure
* @param cmd_no command number
* @param cmd_action command action: GET or SET
* @param wait_option wait option: wait response or not
* @param cmd_oid cmd oid: treated as sub command
* @param pdata_buf A pointer to informaion buffer
* @return 0 or -1
*/
int libertas_prepare_and_send_command(wlan_private * priv,
u16 cmd_no,
u16 cmd_action,
u16 wait_option, u32 cmd_oid, void *pdata_buf)
{
int ret = 0;
wlan_adapter *adapter = priv->adapter;
struct cmd_ctrl_node *cmdnode;
struct cmd_ds_command *cmdptr;
unsigned long flags;
ENTER();
if (!adapter) {
lbs_pr_debug(1, "PREP_CMD: adapter is Null\n");
ret = -1;
goto done;
}
if (adapter->surpriseremoved) {
lbs_pr_debug(1, "PREP_CMD: Card is Removed\n");
ret = -1;
goto done;
}
cmdnode = libertas_get_free_cmd_ctrl_node(priv);
if (cmdnode == NULL) {
lbs_pr_debug(1, "PREP_CMD: No free cmdnode\n");
/* Wake up main thread to execute next command */
wake_up_interruptible(&priv->mainthread.waitq);
ret = -1;
goto done;
}
libertas_set_cmd_ctrl_node(priv, cmdnode, cmd_oid, wait_option, pdata_buf);
cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
lbs_pr_debug(1, "PREP_CMD: Val of cmd ptr=%p, command=0x%X\n",
cmdptr, cmd_no);
if (!cmdptr) {
lbs_pr_debug(1, "PREP_CMD: bufvirtualaddr of cmdnode is NULL\n");
libertas_cleanup_and_insert_cmd(priv, cmdnode);
ret = -1;
goto done;
}
/* Set sequence number, command and INT option */
adapter->seqnum++;
cmdptr->seqnum = cpu_to_le16(adapter->seqnum);
cmdptr->command = cmd_no;
cmdptr->result = 0;
switch (cmd_no) {
case cmd_get_hw_spec:
ret = wlan_cmd_hw_spec(priv, cmdptr);
break;
case cmd_802_11_ps_mode:
ret = wlan_cmd_802_11_ps_mode(priv, cmdptr, cmd_action);
break;
case cmd_802_11_scan:
ret = libertas_cmd_80211_scan(priv, cmdptr, pdata_buf);
break;
case cmd_mac_control:
ret = wlan_cmd_mac_control(priv, cmdptr);
break;
case cmd_802_11_associate:
case cmd_802_11_reassociate:
ret = libertas_cmd_80211_associate(priv, cmdptr, pdata_buf);
break;
case cmd_802_11_deauthenticate:
ret = libertas_cmd_80211_deauthenticate(priv, cmdptr);
break;
case cmd_802_11_set_wep:
ret = wlan_cmd_802_11_set_wep(priv, cmdptr, cmd_action, pdata_buf);
break;
case cmd_802_11_ad_hoc_start:
ret = libertas_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf);
break;
case cmd_code_dnld:
break;
case cmd_802_11_reset:
ret = wlan_cmd_802_11_reset(priv, cmdptr, cmd_action);
break;
case cmd_802_11_get_log:
ret = wlan_cmd_802_11_get_log(priv, cmdptr);
break;
case cmd_802_11_authenticate:
ret = libertas_cmd_80211_authenticate(priv, cmdptr, pdata_buf);
break;
case cmd_802_11_get_stat:
ret = wlan_cmd_802_11_get_stat(priv, cmdptr);
break;
case cmd_802_11_snmp_mib:
ret = wlan_cmd_802_11_snmp_mib(priv, cmdptr,
cmd_action, cmd_oid, pdata_buf);
break;
case cmd_mac_reg_access:
case cmd_bbp_reg_access:
case cmd_rf_reg_access:
ret = wlan_cmd_reg_access(priv, cmdptr, cmd_action, pdata_buf);
break;
case cmd_802_11_rf_channel:
ret = wlan_cmd_802_11_rf_channel(priv, cmdptr,
cmd_action, pdata_buf);
break;
case cmd_802_11_rf_tx_power:
ret = wlan_cmd_802_11_rf_tx_power(priv, cmdptr,
cmd_action, pdata_buf);
break;
case cmd_802_11_radio_control:
ret = wlan_cmd_802_11_radio_control(priv, cmdptr, cmd_action);
break;
case cmd_802_11_rf_antenna:
ret = wlan_cmd_802_11_rf_antenna(priv, cmdptr,
cmd_action, pdata_buf);
break;
case cmd_802_11_data_rate:
ret = wlan_cmd_802_11_data_rate(priv, cmdptr, cmd_action);
break;
case cmd_802_11_rate_adapt_rateset:
ret = wlan_cmd_802_11_rate_adapt_rateset(priv,
cmdptr, cmd_action);
break;
case cmd_mac_multicast_adr:
ret = wlan_cmd_mac_multicast_adr(priv, cmdptr, cmd_action);
break;
case cmd_802_11_ad_hoc_join:
ret = libertas_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf);
break;
case cmd_802_11_rssi:
ret = wlan_cmd_802_11_rssi(priv, cmdptr);
break;
case cmd_802_11_ad_hoc_stop:
ret = libertas_cmd_80211_ad_hoc_stop(priv, cmdptr);
break;
case cmd_802_11_enable_rsn:
ret = wlan_cmd_802_11_enable_rsn(priv, cmdptr, cmd_action);
break;
case cmd_802_11_key_material:
ret = wlan_cmd_802_11_key_material(priv, cmdptr,
cmd_action, cmd_oid,
pdata_buf);
break;
case cmd_802_11_pairwise_tsc:
break;
case cmd_802_11_group_tsc:
break;
case cmd_802_11_mac_address:
ret = wlan_cmd_802_11_mac_address(priv, cmdptr, cmd_action);
break;
case cmd_802_11_eeprom_access:
ret = wlan_cmd_802_11_eeprom_access(priv, cmdptr,
cmd_action, pdata_buf);
break;
case cmd_802_11_set_afc:
case cmd_802_11_get_afc:
cmdptr->command = cpu_to_le16(cmd_no);
cmdptr->size =
cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
S_DS_GEN);
memmove(&cmdptr->params.afc,
pdata_buf, sizeof(struct cmd_ds_802_11_afc));
ret = 0;
goto done;
case cmd_802_11d_domain_info:
ret = libertas_cmd_802_11d_domain_info(priv, cmdptr,
cmd_no, cmd_action);
break;
case cmd_802_11_sleep_params:
ret = wlan_cmd_802_11_sleep_params(priv, cmdptr, cmd_action);
break;
case cmd_802_11_inactivity_timeout:
ret = wlan_cmd_802_11_inactivity_timeout(priv, cmdptr,
cmd_action, pdata_buf);
libertas_set_cmd_ctrl_node(priv, cmdnode, 0, 0, pdata_buf);
break;
case cmd_802_11_tpc_cfg:
cmdptr->command = cpu_to_le16(cmd_802_11_tpc_cfg);
cmdptr->size =
cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
S_DS_GEN);
memmove(&cmdptr->params.tpccfg,
pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
ret = 0;
break;
case cmd_802_11_led_gpio_ctrl:
{
struct mrvlietypes_ledgpio *gpio =
(struct mrvlietypes_ledgpio*)
cmdptr->params.ledgpio.data;
memmove(&cmdptr->params.ledgpio,
pdata_buf,
sizeof(struct cmd_ds_802_11_led_ctrl));
cmdptr->command =
cpu_to_le16(cmd_802_11_led_gpio_ctrl);
#define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
cmdptr->size =
cpu_to_le16(gpio->header.len + S_DS_GEN +
ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN);
gpio->header.len = cpu_to_le16(gpio->header.len);
ret = 0;
break;
}
case cmd_802_11_pwr_cfg:
cmdptr->command = cpu_to_le16(cmd_802_11_pwr_cfg);
cmdptr->size =
cpu_to_le16(sizeof(struct cmd_ds_802_11_pwr_cfg) +
S_DS_GEN);
memmove(&cmdptr->params.pwrcfg, pdata_buf,
sizeof(struct cmd_ds_802_11_pwr_cfg));
ret = 0;
break;
case cmd_bt_access:
ret = wlan_cmd_bt_access(priv, cmdptr, cmd_action, pdata_buf);
break;
case cmd_fwt_access:
ret = wlan_cmd_fwt_access(priv, cmdptr, cmd_action, pdata_buf);
break;
case cmd_mesh_access:
ret = wlan_cmd_mesh_access(priv, cmdptr, cmd_action, pdata_buf);
break;
case cmd_get_tsf:
cmdptr->command = cpu_to_le16(cmd_get_tsf);
cmdptr->size =
cpu_to_le16(sizeof(struct cmd_ds_get_tsf)
+ S_DS_GEN);
ret = 0;
break;
case cmd_802_11_tx_rate_query:
cmdptr->command =
cpu_to_le16(cmd_802_11_tx_rate_query);
cmdptr->size =
cpu_to_le16(sizeof(struct cmd_tx_rate_query) +
S_DS_GEN);
adapter->txrate = 0;
ret = 0;
break;
default:
lbs_pr_debug(1, "PREP_CMD: unknown command- %#x\n", cmd_no);
ret = -1;
break;
}
/* return error, since the command preparation failed */
if (ret != 0) {
lbs_pr_debug(1, "PREP_CMD: command preparation failed\n");
libertas_cleanup_and_insert_cmd(priv, cmdnode);
ret = -1;
goto done;
}
cmdnode->cmdwaitqwoken = 0;
libertas_queue_cmd(adapter, cmdnode, 1);
adapter->nr_cmd_pending++;
wake_up_interruptible(&priv->mainthread.waitq);
if (wait_option & cmd_option_waitforrsp) {
lbs_pr_debug(1, "PREP_CMD: Wait for CMD response\n");
might_sleep();
wait_event_interruptible(cmdnode->cmdwait_q,
cmdnode->cmdwaitqwoken);
}
spin_lock_irqsave(&adapter->driver_lock, flags);
if (adapter->cur_cmd_retcode) {
lbs_pr_debug(1, "PREP_CMD: command failed with return code=%d\n",
adapter->cur_cmd_retcode);
adapter->cur_cmd_retcode = 0;
ret = -1;
}
spin_unlock_irqrestore(&adapter->driver_lock, flags);
done:
LEAVE();
return ret;
}
/**
* @brief This function allocates the command buffer and link
* it to command free queue.
*
* @param priv A pointer to wlan_private structure
* @return 0 or -1
*/
int libertas_allocate_cmd_buffer(wlan_private * priv)
{
int ret = 0;
u32 ulbufsize;
u32 i;
struct cmd_ctrl_node *tempcmd_array;
u8 *ptempvirtualaddr;
wlan_adapter *adapter = priv->adapter;
ENTER();
/* Allocate and initialize cmdCtrlNode */
ulbufsize = sizeof(struct cmd_ctrl_node) * MRVDRV_NUM_OF_CMD_BUFFER;
if (!(tempcmd_array = kmalloc(ulbufsize, GFP_KERNEL))) {
lbs_pr_debug(1,
"ALLOC_CMD_BUF: failed to allocate tempcmd_array\n");
ret = -1;
goto done;
}
adapter->cmd_array = tempcmd_array;
memset(adapter->cmd_array, 0, ulbufsize);
/* Allocate and initialize command buffers */
ulbufsize = MRVDRV_SIZE_OF_CMD_BUFFER;
for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
if (!(ptempvirtualaddr = kmalloc(ulbufsize, GFP_KERNEL))) {
lbs_pr_debug(1,
"ALLOC_CMD_BUF: ptempvirtualaddr: out of memory\n");
ret = -1;
goto done;
}
memset(ptempvirtualaddr, 0, ulbufsize);
/* Update command buffer virtual */
tempcmd_array[i].bufvirtualaddr = ptempvirtualaddr;
}
for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
init_waitqueue_head(&tempcmd_array[i].cmdwait_q);
libertas_cleanup_and_insert_cmd(priv, &tempcmd_array[i]);
}
ret = 0;
done:
LEAVE();
return ret;
}
/**
* @brief This function frees the command buffer.
*
* @param priv A pointer to wlan_private structure
* @return 0 or -1
*/
int libertas_free_cmd_buffer(wlan_private * priv)
{
u32 ulbufsize;
unsigned int i;
struct cmd_ctrl_node *tempcmd_array;
wlan_adapter *adapter = priv->adapter;
ENTER();
/* need to check if cmd array is allocated or not */
if (adapter->cmd_array == NULL) {
lbs_pr_debug(1, "FREE_CMD_BUF: cmd_array is Null\n");
goto done;
}
tempcmd_array = adapter->cmd_array;
/* Release shared memory buffers */
ulbufsize = MRVDRV_SIZE_OF_CMD_BUFFER;
for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
if (tempcmd_array[i].bufvirtualaddr) {
lbs_pr_debug(1, "Free all the array\n");
kfree(tempcmd_array[i].bufvirtualaddr);
tempcmd_array[i].bufvirtualaddr = NULL;
}
}
/* Release cmd_ctrl_node */
if (adapter->cmd_array) {
lbs_pr_debug(1, "Free cmd_array\n");
kfree(adapter->cmd_array);
adapter->cmd_array = NULL;
}
done:
LEAVE();
return 0;
}
/**
* @brief This function gets a free command node if available in
* command free queue.
*
* @param priv A pointer to wlan_private structure
* @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
*/
struct cmd_ctrl_node *libertas_get_free_cmd_ctrl_node(wlan_private * priv)
{
struct cmd_ctrl_node *tempnode;
wlan_adapter *adapter = priv->adapter;
unsigned long flags;
if (!adapter)
return NULL;
spin_lock_irqsave(&adapter->driver_lock, flags);
if (!list_empty(&adapter->cmdfreeq)) {
tempnode = (struct cmd_ctrl_node *)adapter->cmdfreeq.next;
list_del((struct list_head *)tempnode);
} else {
lbs_pr_debug(1, "GET_CMD_NODE: cmd_ctrl_node is not available\n");
tempnode = NULL;
}
spin_unlock_irqrestore(&adapter->driver_lock, flags);
if (tempnode) {
lbs_pr_debug(3, "GET_CMD_NODE: cmdCtrlNode available\n");
lbs_pr_debug(3, "GET_CMD_NODE: cmdCtrlNode Address = %p\n",
tempnode);
cleanup_cmdnode(tempnode);
}
return tempnode;
}
/**
* @brief This function cleans command node.
*
* @param ptempnode A pointer to cmdCtrlNode structure
* @return n/a
*/
static void cleanup_cmdnode(struct cmd_ctrl_node *ptempnode)
{
if (!ptempnode)
return;
ptempnode->cmdwaitqwoken = 1;
wake_up_interruptible(&ptempnode->cmdwait_q);
ptempnode->status = 0;
ptempnode->cmd_oid = (u32) 0;
ptempnode->wait_option = 0;
ptempnode->pdata_buf = NULL;
if (ptempnode->bufvirtualaddr != NULL)
memset(ptempnode->bufvirtualaddr, 0, MRVDRV_SIZE_OF_CMD_BUFFER);
return;
}
/**
* @brief This function initializes the command node.
*
* @param priv A pointer to wlan_private structure
* @param ptempnode A pointer to cmd_ctrl_node structure
* @param cmd_oid cmd oid: treated as sub command
* @param wait_option wait option: wait response or not
* @param pdata_buf A pointer to informaion buffer
* @return 0 or -1
*/
void libertas_set_cmd_ctrl_node(wlan_private * priv,
struct cmd_ctrl_node *ptempnode,
u32 cmd_oid, u16 wait_option, void *pdata_buf)
{
ENTER();
if (!ptempnode)
return;
ptempnode->cmd_oid = cmd_oid;
ptempnode->wait_option = wait_option;
ptempnode->pdata_buf = pdata_buf;
LEAVE();
}
/**
* @brief This function executes next command in command
* pending queue. It will put fimware back to PS mode
* if applicable.
*
* @param priv A pointer to wlan_private structure
* @return 0 or -1
*/
int libertas_execute_next_command(wlan_private * priv)
{
wlan_adapter *adapter = priv->adapter;
struct cmd_ctrl_node *cmdnode = NULL;
struct cmd_ds_command *cmdptr;
unsigned long flags;
int ret = 0;
lbs_pr_debug(1, "libertas_execute_next_command\n");
spin_lock_irqsave(&adapter->driver_lock, flags);
if (adapter->cur_cmd) {
lbs_pr_alert( "EXEC_NEXT_CMD: there is command in processing!\n");
spin_unlock_irqrestore(&adapter->driver_lock, flags);
ret = -1;
goto done;
}
if (!list_empty(&adapter->cmdpendingq)) {
cmdnode = (struct cmd_ctrl_node *)
adapter->cmdpendingq.next;
}
spin_unlock_irqrestore(&adapter->driver_lock, flags);
if (cmdnode) {
lbs_pr_debug(1,
"EXEC_NEXT_CMD: Got next command from cmdpendingq\n");
cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
if (is_command_allowed_in_ps(cmdptr->command)) {
if ((adapter->psstate == PS_STATE_SLEEP)
|| (adapter->psstate == PS_STATE_PRE_SLEEP)
) {
lbs_pr_debug(1,
"EXEC_NEXT_CMD: Cannot send cmd 0x%x in psstate %d\n",
cmdptr->command, adapter->psstate);
ret = -1;
goto done;
}
lbs_pr_debug(1, "EXEC_NEXT_CMD: OK to send command "
"0x%x in psstate %d\n",
cmdptr->command, adapter->psstate);
} else if (adapter->psstate != PS_STATE_FULL_POWER) {
/*
* 1. Non-PS command:
* Queue it. set needtowakeup to TRUE if current state
* is SLEEP, otherwise call libertas_ps_wakeup to send Exit_PS.
* 2. PS command but not Exit_PS:
* Ignore it.
* 3. PS command Exit_PS:
* Set needtowakeup to TRUE if current state is SLEEP,
* otherwise send this command down to firmware
* immediately.
*/
if (cmdptr->command !=
cpu_to_le16(cmd_802_11_ps_mode)) {
/* Prepare to send Exit PS,
* this non PS command will be sent later */
if ((adapter->psstate == PS_STATE_SLEEP)
|| (adapter->psstate == PS_STATE_PRE_SLEEP)
) {
/* w/ new scheme, it will not reach here.
since it is blocked in main_thread. */
adapter->needtowakeup = 1;
} else
libertas_ps_wakeup(priv, 0);
ret = 0;
goto done;
} else {
/*
* PS command. Ignore it if it is not Exit_PS.
* otherwise send it down immediately.
*/
struct cmd_ds_802_11_ps_mode *psm =
&cmdptr->params.psmode;
lbs_pr_debug(1,
"EXEC_NEXT_CMD: PS cmd- action=0x%x\n",
psm->action);
if (psm->action !=
cpu_to_le16(cmd_subcmd_exit_ps)) {
lbs_pr_debug(1,
"EXEC_NEXT_CMD: Ignore Enter PS cmd\n");
list_del((struct list_head *)cmdnode);
libertas_cleanup_and_insert_cmd(priv, cmdnode);
ret = 0;
goto done;
}
if ((adapter->psstate == PS_STATE_SLEEP)
|| (adapter->psstate == PS_STATE_PRE_SLEEP)
) {
lbs_pr_debug(1,
"EXEC_NEXT_CMD: Ignore ExitPS cmd in sleep\n");
list_del((struct list_head *)cmdnode);
libertas_cleanup_and_insert_cmd(priv, cmdnode);
adapter->needtowakeup = 1;
ret = 0;
goto done;
}
lbs_pr_debug(1,
"EXEC_NEXT_CMD: Sending Exit_PS down...\n");
}
}
list_del((struct list_head *)cmdnode);
lbs_pr_debug(1, "EXEC_NEXT_CMD: Sending 0x%04X command\n",
cmdptr->command);
DownloadcommandToStation(priv, cmdnode);
} else {
/*
* check if in power save mode, if yes, put the device back
* to PS mode
*/
if ((adapter->psmode != wlan802_11powermodecam) &&
(adapter->psstate == PS_STATE_FULL_POWER) &&
(adapter->connect_status == libertas_connected)) {
if (adapter->secinfo.WPAenabled
|| adapter->secinfo.WPA2enabled) {
/* check for valid WPA group keys */
if (adapter->wpa_mcast_key.len
|| adapter->wpa_unicast_key.len) {
lbs_pr_debug(1,
"EXEC_NEXT_CMD: WPA enabled and GTK_SET"
" go back to PS_SLEEP");
libertas_ps_sleep(priv, 0);
}
} else {
lbs_pr_debug(1,
"EXEC_NEXT_CMD: command PendQ is empty,"
" go back to PS_SLEEP");
libertas_ps_sleep(priv, 0);
}
}
}
ret = 0;
done:
return ret;
}
void libertas_send_iwevcustom_event(wlan_private * priv, s8 * str)
{
union iwreq_data iwrq;
u8 buf[50];
ENTER();
memset(&iwrq, 0, sizeof(union iwreq_data));
memset(buf, 0, sizeof(buf));
snprintf(buf, sizeof(buf) - 1, "%s", str);
iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
/* Send Event to upper layer */
lbs_pr_debug(1, "Event Indication string = %s\n",
(char *)buf);
lbs_pr_debug(1, "Event Indication String length = %d\n", iwrq.data.length);
lbs_pr_debug(1, "Sending wireless event IWEVCUSTOM for %s\n", str);
wireless_send_event(priv->wlan_dev.netdev, IWEVCUSTOM, &iwrq, buf);
LEAVE();
return;
}
static int sendconfirmsleep(wlan_private * priv, u8 * cmdptr, u16 size)
{
unsigned long flags;
wlan_adapter *adapter = priv->adapter;
int ret = 0;
ENTER();
lbs_pr_debug(1, "SEND_SLEEPC_CMD: Before download, size of cmd = %d\n",
size);
lbs_dbg_hex("SEND_SLEEPC_CMD: Sleep confirm command", cmdptr, size);
ret = libertas_sbi_host_to_card(priv, MVMS_CMD, cmdptr, size);
priv->wlan_dev.dnld_sent = DNLD_RES_RECEIVED;
spin_lock_irqsave(&adapter->driver_lock, flags);
if (adapter->intcounter || adapter->currenttxskb)
lbs_pr_debug(1, "SEND_SLEEPC_CMD: intcounter=%d currenttxskb=%p\n",
adapter->intcounter, adapter->currenttxskb);
spin_unlock_irqrestore(&adapter->driver_lock, flags);
if (ret) {
lbs_pr_alert(
"SEND_SLEEPC_CMD: Host to Card failed for Confirm Sleep\n");
} else {
spin_lock_irqsave(&adapter->driver_lock, flags);
if (!adapter->intcounter) {
adapter->psstate = PS_STATE_SLEEP;
} else {
lbs_pr_debug(1, "SEND_SLEEPC_CMD: After sent,IntC=%d\n",
adapter->intcounter);
}
spin_unlock_irqrestore(&adapter->driver_lock, flags);
lbs_pr_debug(1, "SEND_SLEEPC_CMD: Sent Confirm Sleep command\n");
lbs_pr_debug(1, "+");
}
LEAVE();
return ret;
}
void libertas_ps_sleep(wlan_private * priv, int wait_option)
{
ENTER();
/*
* PS is currently supported only in Infrastructure mode
* Remove this check if it is to be supported in IBSS mode also
*/
libertas_prepare_and_send_command(priv, cmd_802_11_ps_mode,
cmd_subcmd_enter_ps, wait_option, 0, NULL);
LEAVE();
return;
}
/**
* @brief This function sends Eixt_PS command to firmware.
*
* @param priv A pointer to wlan_private structure
* @param wait_option wait response or not
* @return n/a
*/
void libertas_ps_wakeup(wlan_private * priv, int wait_option)
{
enum WLAN_802_11_POWER_MODE Localpsmode;
ENTER();
Localpsmode = wlan802_11powermodecam;
lbs_pr_debug(1, "Exit_PS: Localpsmode = %d\n", Localpsmode);
libertas_prepare_and_send_command(priv, cmd_802_11_ps_mode,
cmd_subcmd_exit_ps,
wait_option, 0, &Localpsmode);
LEAVE();
return;
}
/**
* @brief This function checks condition and prepares to
* send sleep confirm command to firmware if ok.
*
* @param priv A pointer to wlan_private structure
* @param psmode Power Saving mode
* @return n/a
*/
void libertas_ps_confirm_sleep(wlan_private * priv, u16 psmode)
{
unsigned long flags =0;
wlan_adapter *adapter = priv->adapter;
u8 allowed = 1;
ENTER();
if (priv->wlan_dev.dnld_sent) {
allowed = 0;
lbs_pr_debug(1, "D");
}
spin_lock_irqsave(&adapter->driver_lock, flags);
if (adapter->cur_cmd) {
allowed = 0;
lbs_pr_debug(1, "C");
}
if (adapter->intcounter > 0) {
allowed = 0;
lbs_pr_debug(1, "I%d", adapter->intcounter);
}
spin_unlock_irqrestore(&adapter->driver_lock, flags);
if (allowed) {
lbs_pr_debug(1, "Sending libertas_ps_confirm_sleep\n");
sendconfirmsleep(priv, (u8 *) & adapter->libertas_ps_confirm_sleep,
sizeof(struct PS_CMD_ConfirmSleep));
} else {
lbs_pr_debug(1, "Sleep Confirm has been delayed\n");
}
LEAVE();
}
