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-rw-r--r--package/libertas/src/cmd.c2233
1 files changed, 2233 insertions, 0 deletions
diff --git a/package/libertas/src/cmd.c b/package/libertas/src/cmd.c
new file mode 100644
index 0000000000..01d23493b4
--- /dev/null
+++ b/package/libertas/src/cmd.c
@@ -0,0 +1,2233 @@
+/**
+ * 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 "decl.h"
+#include "defs.h"
+#include "dev.h"
+#include "join.h"
+#include "wext.h"
+#include "cmd.h"
+
+static void cleanup_cmdnode(struct cmd_ctrl_node *ptempnode);
+static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv);
+static void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
+ struct cmd_ctrl_node *ptempnode,
+ u16 wait_option, void *pdata_buf);
+
+
+/**
+ * @brief Checks whether a command is allowed in Power Save mode
+ *
+ * @param command the command ID
+ * @return 1 if allowed, 0 if not allowed
+ */
+static u8 is_command_allowed_in_ps(u16 cmd)
+{
+ switch (cmd) {
+ case CMD_802_11_RSSI:
+ return 1;
+ default:
+ break;
+ }
+ return 0;
+}
+
+/**
+ * @brief Updates the hardware details like MAC address and regulatory region
+ *
+ * @param priv A pointer to struct lbs_private structure
+ *
+ * @return 0 on success, error on failure
+ */
+int lbs_update_hw_spec(struct lbs_private *priv)
+{
+ struct cmd_ds_get_hw_spec cmd;
+ int ret = -1;
+ u32 i;
+ DECLARE_MAC_BUF(mac);
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+ memcpy(cmd.permanentaddr, priv->current_addr, ETH_ALEN);
+ ret = lbs_cmd_with_response(priv, CMD_GET_HW_SPEC, cmd);
+ if (ret)
+ goto out;
+
+ priv->fwcapinfo = le32_to_cpu(cmd.fwcapinfo);
+ memcpy(priv->fwreleasenumber, cmd.fwreleasenumber, 4);
+
+ lbs_deb_cmd("GET_HW_SPEC: firmware release %u.%u.%up%u\n",
+ priv->fwreleasenumber[2], priv->fwreleasenumber[1],
+ priv->fwreleasenumber[0], priv->fwreleasenumber[3]);
+ lbs_deb_cmd("GET_HW_SPEC: MAC addr %s\n",
+ print_mac(mac, cmd.permanentaddr));
+ lbs_deb_cmd("GET_HW_SPEC: hardware interface 0x%x, hardware spec 0x%04x\n",
+ cmd.hwifversion, cmd.version);
+
+ /* Clamp region code to 8-bit since FW spec indicates that it should
+ * only ever be 8-bit, even though the field size is 16-bit. Some firmware
+ * returns non-zero high 8 bits here.
+ */
+ priv->regioncode = le16_to_cpu(cmd.regioncode) & 0xFF;
+
+ for (i = 0; i < MRVDRV_MAX_REGION_CODE; i++) {
+ /* use the region code to search for the index */
+ if (priv->regioncode == lbs_region_code_to_index[i])
+ break;
+ }
+
+ /* if it's unidentified region code, use the default (USA) */
+ if (i >= MRVDRV_MAX_REGION_CODE) {
+ priv->regioncode = 0x10;
+ lbs_pr_info("unidentified region code; using the default (USA)\n");
+ }
+
+ if (priv->current_addr[0] == 0xff)
+ memmove(priv->current_addr, cmd.permanentaddr, ETH_ALEN);
+
+ memcpy(priv->dev->dev_addr, priv->current_addr, ETH_ALEN);
+ if (priv->mesh_dev)
+ memcpy(priv->mesh_dev->dev_addr, priv->current_addr, ETH_ALEN);
+
+ if (lbs_set_regiontable(priv, priv->regioncode, 0)) {
+ ret = -1;
+ goto out;
+ }
+
+ if (lbs_set_universaltable(priv, 0)) {
+ ret = -1;
+ goto out;
+ }
+
+out:
+ lbs_deb_leave(LBS_DEB_CMD);
+ return ret;
+}
+
+static int lbs_cmd_802_11_ps_mode(struct lbs_private *priv,
+ struct cmd_ds_command *cmd,
+ u16 cmd_action)
+{
+ struct cmd_ds_802_11_ps_mode *psm = &cmd->params.psmode;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ 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 (cmd_action) {
+ case CMD_SUBCMD_ENTER_PS:
+ lbs_deb_cmd("PS command:" "SubCode- Enter PS\n");
+
+ psm->locallisteninterval = 0;
+ psm->nullpktinterval = 0;
+ psm->multipledtim =
+ cpu_to_le16(MRVDRV_DEFAULT_MULTIPLE_DTIM);
+ break;
+
+ case CMD_SUBCMD_EXIT_PS:
+ lbs_deb_cmd("PS command:" "SubCode- Exit PS\n");
+ break;
+
+ case CMD_SUBCMD_SLEEP_CONFIRMED:
+ lbs_deb_cmd("PS command: SubCode- sleep confirm\n");
+ break;
+
+ default:
+ break;
+ }
+
+ lbs_deb_leave(LBS_DEB_CMD);
+ return 0;
+}
+
+static int lbs_cmd_802_11_inactivity_timeout(struct lbs_private *priv,
+ struct cmd_ds_command *cmd,
+ u16 cmd_action, void *pdata_buf)
+{
+ u16 *timeout = pdata_buf;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ 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;
+
+ lbs_deb_leave(LBS_DEB_CMD);
+ return 0;
+}
+
+static int lbs_cmd_802_11_sleep_params(struct lbs_private *priv,
+ struct cmd_ds_command *cmd,
+ u16 cmd_action)
+{
+ struct cmd_ds_802_11_sleep_params *sp = &cmd->params.sleep_params;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ 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(&priv->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(priv->sp.sp_error);
+ sp->offset = cpu_to_le16(priv->sp.sp_offset);
+ sp->stabletime = cpu_to_le16(priv->sp.sp_stabletime);
+ sp->calcontrol = (u8) priv->sp.sp_calcontrol;
+ sp->externalsleepclk = (u8) priv->sp.sp_extsleepclk;
+ sp->reserved = cpu_to_le16(priv->sp.sp_reserved);
+ }
+
+ lbs_deb_leave(LBS_DEB_CMD);
+ return 0;
+}
+
+static int lbs_cmd_802_11_set_wep(struct lbs_private *priv,
+ struct cmd_ds_command *cmd,
+ u32 cmd_act,
+ void * pdata_buf)
+{
+ struct cmd_ds_802_11_set_wep *wep = &cmd->params.wep;
+ int ret = 0;
+ struct assoc_request * assoc_req = pdata_buf;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ cmd->command = cpu_to_le16(CMD_802_11_SET_WEP);
+ cmd->size = cpu_to_le16(sizeof(*wep) + S_DS_GEN);
+
+ if (cmd_act == CMD_ACT_ADD) {
+ int i;
+
+ if (!assoc_req) {
+ lbs_deb_cmd("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));
+
+ /* Copy key types and material to host command structure */
+ for (i = 0; i < 4; i++) {
+ struct enc_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);
+ lbs_deb_cmd("SET_WEP: add key %d (40 bit)\n", i);
+ break;
+ case KEY_LEN_WEP_104:
+ wep->keytype[i] = CMD_TYPE_WEP_104_BIT;
+ memmove(&wep->keymaterial[i], pkey->key,
+ pkey->len);
+ lbs_deb_cmd("SET_WEP: add key %d (104 bit)\n", i);
+ break;
+ case 0:
+ break;
+ default:
+ lbs_deb_cmd("SET_WEP: invalid key %d, length %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)(priv->wep_tx_keyidx &
+ (u32)CMD_WEP_KEY_INDEX_MASK));
+ lbs_deb_cmd("SET_WEP: remove key %d\n", priv->wep_tx_keyidx);
+ }
+
+ ret = 0;
+
+done:
+ lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
+ return ret;
+}
+
+static int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv,
+ struct cmd_ds_command *cmd,
+ u16 cmd_action,
+ void * pdata_buf)
+{
+ struct cmd_ds_802_11_enable_rsn *penableRSN = &cmd->params.enbrsn;
+ u32 * enable = pdata_buf;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ cmd->command = cpu_to_le16(CMD_802_11_ENABLE_RSN);
+ cmd->size = cpu_to_le16(sizeof(*penableRSN) + S_DS_GEN);
+ penableRSN->action = cpu_to_le16(cmd_action);
+
+ if (cmd_action == CMD_ACT_SET) {
+ if (*enable)
+ penableRSN->enable = cpu_to_le16(CMD_ENABLE_RSN);
+ else
+ penableRSN->enable = cpu_to_le16(CMD_DISABLE_RSN);
+ lbs_deb_cmd("ENABLE_RSN: %d\n", *enable);
+ }
+
+ lbs_deb_leave(LBS_DEB_CMD);
+ return 0;
+}
+
+
+static ssize_t lbs_tlv_size(const u8 *tlv, u16 size)
+{
+ ssize_t pos = 0;
+ struct mrvlietypesheader *tlv_h;
+ while (pos < size) {
+ u16 length;
+ tlv_h = (struct mrvlietypesheader *) tlv;
+ if (tlv_h->len == 0)
+ return pos;
+ length = le16_to_cpu(tlv_h->len) +
+ sizeof(struct mrvlietypesheader);
+ pos += length;
+ tlv += length;
+ }
+ return pos;
+}
+
+
+static void lbs_cmd_802_11_subscribe_event(struct lbs_private *priv,
+ struct cmd_ds_command *cmd, u16 cmd_action,
+ void *pdata_buf)
+{
+ struct cmd_ds_802_11_subscribe_event *events =
+ (struct cmd_ds_802_11_subscribe_event *) pdata_buf;
+
+ /* pdata_buf points to a struct cmd_ds_802_11_subscribe_event and room
+ * for various Marvell TLVs */
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ cmd->size = cpu_to_le16(sizeof(*events)
+ - sizeof(events->tlv)
+ + S_DS_GEN);
+ cmd->params.subscribe_event.action = cpu_to_le16(cmd_action);
+ if (cmd_action == CMD_ACT_GET) {
+ cmd->params.subscribe_event.events = 0;
+ } else {
+ ssize_t sz = lbs_tlv_size(events->tlv, sizeof(events->tlv));
+ cmd->size = cpu_to_le16(le16_to_cpu(cmd->size) + sz);
+ cmd->params.subscribe_event.events = events->events;
+ memcpy(cmd->params.subscribe_event.tlv, events->tlv, sz);
+ }
+
+ lbs_deb_leave(LBS_DEB_CMD);
+}
+
+static void set_one_wpa_key(struct MrvlIEtype_keyParamSet * pkeyparamset,
+ struct enc_key * pkey)
+{
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ if (pkey->flags & KEY_INFO_WPA_ENABLED) {
+ 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);
+ }
+ 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->keytypeid = cpu_to_le16(pkey->type);
+ 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));
+ lbs_deb_leave(LBS_DEB_CMD);
+}
+
+static int lbs_cmd_802_11_key_material(struct lbs_private *priv,
+ struct cmd_ds_command *cmd,
+ u16 cmd_action,
+ u32 cmd_oid, void *pdata_buf)
+{
+ struct cmd_ds_802_11_key_material *pkeymaterial =
+ &cmd->params.keymaterial;
+ struct assoc_request * assoc_req = pdata_buf;
+ int ret = 0;
+ int index = 0;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ 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 (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags)) {
+ set_one_wpa_key(&pkeymaterial->keyParamSet[index],
+ &assoc_req->wpa_unicast_key);
+ index++;
+ }
+
+ if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags)) {
+ set_one_wpa_key(&pkeymaterial->keyParamSet[index],
+ &assoc_req->wpa_mcast_key);
+ index++;
+ }
+
+ cmd->size = cpu_to_le16( S_DS_GEN
+ + sizeof (pkeymaterial->action)
+ + (index * sizeof(struct MrvlIEtype_keyParamSet)));
+
+ ret = 0;
+
+done:
+ lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
+ return ret;
+}
+
+static int lbs_cmd_802_11_reset(struct lbs_private *priv,
+ struct cmd_ds_command *cmd, int cmd_action)
+{
+ struct cmd_ds_802_11_reset *reset = &cmd->params.reset;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ 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);
+
+ lbs_deb_leave(LBS_DEB_CMD);
+ return 0;
+}
+
+static int lbs_cmd_802_11_get_log(struct lbs_private *priv,
+ struct cmd_ds_command *cmd)
+{
+ lbs_deb_enter(LBS_DEB_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);
+
+ lbs_deb_leave(LBS_DEB_CMD);
+ return 0;
+}
+
+static int lbs_cmd_802_11_get_stat(struct lbs_private *priv,
+ struct cmd_ds_command *cmd)
+{
+ lbs_deb_enter(LBS_DEB_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);
+
+ lbs_deb_leave(LBS_DEB_CMD);
+ return 0;
+}
+
+static int lbs_cmd_802_11_snmp_mib(struct lbs_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;
+ u8 ucTemp;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ lbs_deb_cmd("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(*pSNMPMIB) + 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 = cpu_to_le16(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 = cpu_to_le16(CMD_ACT_SET);
+ pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
+ ulTemp = *(u32 *)pdata_buf;
+ *((__le16 *)(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);
+ *((__le16 *)(pSNMPMIB->value)) =
+ cpu_to_le16((u16) ulTemp);
+
+ }
+
+ break;
+ }
+
+ case OID_802_11_RTS_THRESHOLD:
+ {
+
+ u32 ulTemp;
+ pSNMPMIB->oid = cpu_to_le16(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);
+ *(__le16 *)(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));
+ *((__le16 *)(pSNMPMIB->value)) =
+ cpu_to_le16((u16) priv->txretrycount);
+ }
+
+ break;
+ default:
+ break;
+ }
+
+ lbs_deb_cmd(
+ "SNMP_CMD: command=0x%x, size=0x%x, seqnum=0x%x, result=0x%x\n",
+ le16_to_cpu(cmd->command), le16_to_cpu(cmd->size),
+ le16_to_cpu(cmd->seqnum), le16_to_cpu(cmd->result));
+
+ lbs_deb_cmd(
+ "SNMP_CMD: action 0x%x, oid 0x%x, oidsize 0x%x, value 0x%x\n",
+ le16_to_cpu(pSNMPMIB->querytype), le16_to_cpu(pSNMPMIB->oid),
+ le16_to_cpu(pSNMPMIB->bufsize),
+ le16_to_cpu(*(__le16 *) pSNMPMIB->value));
+
+ lbs_deb_leave(LBS_DEB_CMD);
+ return 0;
+}
+
+static int lbs_cmd_802_11_radio_control(struct lbs_private *priv,
+ struct cmd_ds_command *cmd,
+ int cmd_action)
+{
+ struct cmd_ds_802_11_radio_control *pradiocontrol = &cmd->params.radio;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ 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 (priv->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 (priv->radioon)
+ pradiocontrol->control |= cpu_to_le16(TURN_ON_RF);
+ else
+ pradiocontrol->control &= cpu_to_le16(~TURN_ON_RF);
+
+ lbs_deb_leave(LBS_DEB_CMD);
+ return 0;
+}
+
+static int lbs_cmd_802_11_rf_tx_power(struct lbs_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;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ 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 = cpu_to_le16(cmd_action);
+
+ lbs_deb_cmd("RF_TX_POWER_CMD: size:%d cmd:0x%x Act:%d\n",
+ le16_to_cpu(cmd->size), le16_to_cpu(cmd->command),
+ le16_to_cpu(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;
+ }
+
+ lbs_deb_leave(LBS_DEB_CMD);
+ return 0;
+}
+
+static int lbs_cmd_802_11_monitor_mode(struct lbs_private *priv,
+ struct cmd_ds_command *cmd,
+ u16 cmd_action, void *pdata_buf)
+{
+ struct cmd_ds_802_11_monitor_mode *monitor = &cmd->params.monitor;
+
+ cmd->command = cpu_to_le16(CMD_802_11_MONITOR_MODE);
+ cmd->size =
+ cpu_to_le16(sizeof(struct cmd_ds_802_11_monitor_mode) +
+ S_DS_GEN);
+
+ monitor->action = cpu_to_le16(cmd_action);
+ if (cmd_action == CMD_ACT_SET) {
+ monitor->mode =
+ cpu_to_le16((u16) (*(u32 *) pdata_buf));
+ }
+
+ return 0;
+}
+
+static int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private *priv,
+ struct cmd_ds_command *cmd,
+ u16 cmd_action)
+{
+ struct cmd_ds_802_11_rate_adapt_rateset
+ *rateadapt = &cmd->params.rateset;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+ 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);
+
+ rateadapt->action = cpu_to_le16(cmd_action);
+ rateadapt->enablehwauto = cpu_to_le16(priv->enablehwauto);
+ rateadapt->bitmap = cpu_to_le16(priv->ratebitmap);
+
+ lbs_deb_leave(LBS_DEB_CMD);
+ return 0;
+}
+
+/**
+ * @brief Get the current data rate
+ *
+ * @param priv A pointer to struct lbs_private structure
+ *
+ * @return The data rate on success, error on failure
+ */
+int lbs_get_data_rate(struct lbs_private *priv)
+{
+ struct cmd_ds_802_11_data_rate cmd;
+ int ret = -1;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+ cmd.action = cpu_to_le16(CMD_ACT_GET_TX_RATE);
+
+ ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, cmd);
+ if (ret)
+ goto out;
+
+ lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
+
+ ret = (int) lbs_fw_index_to_data_rate(cmd.rates[0]);
+ lbs_deb_cmd("DATA_RATE: current rate 0x%02x\n", ret);
+
+out:
+ lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
+ return ret;
+}
+
+/**
+ * @brief Set the data rate
+ *
+ * @param priv A pointer to struct lbs_private structure
+ * @param rate The desired data rate, or 0 to clear a locked rate
+ *
+ * @return 0 on success, error on failure
+ */
+int lbs_set_data_rate(struct lbs_private *priv, u8 rate)
+{
+ struct cmd_ds_802_11_data_rate cmd;
+ int ret = 0;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+
+ if (rate > 0) {
+ cmd.action = cpu_to_le16(CMD_ACT_SET_TX_FIX_RATE);
+ cmd.rates[0] = lbs_data_rate_to_fw_index(rate);
+ if (cmd.rates[0] == 0) {
+ lbs_deb_cmd("DATA_RATE: invalid requested rate of"
+ " 0x%02X\n", rate);
+ ret = 0;
+ goto out;
+ }
+ lbs_deb_cmd("DATA_RATE: set fixed 0x%02X\n", cmd.rates[0]);
+ } else {
+ cmd.action = cpu_to_le16(CMD_ACT_SET_TX_AUTO);
+ lbs_deb_cmd("DATA_RATE: setting auto\n");
+ }
+
+ ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, cmd);
+ if (ret)
+ goto out;
+
+ lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
+
+ /* FIXME: get actual rates FW can do if this command actually returns
+ * all data rates supported.
+ */
+ priv->cur_rate = lbs_fw_index_to_data_rate(cmd.rates[0]);
+ lbs_deb_cmd("DATA_RATE: current rate is 0x%02x\n", priv->cur_rate);
+
+out:
+ lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
+ return ret;
+}
+
+static int lbs_cmd_mac_multicast_adr(struct lbs_private *priv,
+ struct cmd_ds_command *cmd,
+ u16 cmd_action)
+{
+ struct cmd_ds_mac_multicast_adr *pMCastAdr = &cmd->params.madr;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+ cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_multicast_adr) +
+ S_DS_GEN);
+ cmd->command = cpu_to_le16(CMD_MAC_MULTICAST_ADR);
+
+ lbs_deb_cmd("MULTICAST_ADR: setting %d addresses\n", pMCastAdr->nr_of_adrs);
+ pMCastAdr->action = cpu_to_le16(cmd_action);
+ pMCastAdr->nr_of_adrs =
+ cpu_to_le16((u16) priv->nr_of_multicastmacaddr);
+ memcpy(pMCastAdr->maclist, priv->multicastlist,
+ priv->nr_of_multicastmacaddr * ETH_ALEN);
+
+ lbs_deb_leave(LBS_DEB_CMD);
+ return 0;
+}
+
+/**
+ * @brief Get the radio channel
+ *
+ * @param priv A pointer to struct lbs_private structure
+ *
+ * @return The channel on success, error on failure
+ */
+int lbs_get_channel(struct lbs_private *priv)
+{
+ struct cmd_ds_802_11_rf_channel cmd;
+ int ret = 0;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+ cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_GET);
+
+ ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, cmd);
+ if (ret)
+ goto out;
+
+ ret = le16_to_cpu(cmd.channel);
+ lbs_deb_cmd("current radio channel is %d\n", ret);
+
+out:
+ lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
+ return ret;
+}
+
+/**
+ * @brief Set the radio channel
+ *
+ * @param priv A pointer to struct lbs_private structure
+ * @param channel The desired channel, or 0 to clear a locked channel
+ *
+ * @return 0 on success, error on failure
+ */
+int lbs_set_channel(struct lbs_private *priv, u8 channel)
+{
+ struct cmd_ds_802_11_rf_channel cmd;
+ u8 old_channel = priv->curbssparams.channel;
+ int ret = 0;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+ cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_SET);
+ cmd.channel = cpu_to_le16(channel);
+
+ ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, cmd);
+ if (ret)
+ goto out;
+
+ priv->curbssparams.channel = (uint8_t) le16_to_cpu(cmd.channel);
+ lbs_deb_cmd("channel switch from %d to %d\n", old_channel,
+ priv->curbssparams.channel);
+
+out:
+ lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
+ return ret;
+}
+
+static int lbs_cmd_802_11_rssi(struct lbs_private *priv,
+ struct cmd_ds_command *cmd)
+{
+
+ lbs_deb_enter(LBS_DEB_CMD);
+ 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 = cpu_to_le16(DEFAULT_BCN_AVG_FACTOR);
+
+ /* reset Beacon SNR/NF/RSSI values */
+ priv->SNR[TYPE_BEACON][TYPE_NOAVG] = 0;
+ priv->SNR[TYPE_BEACON][TYPE_AVG] = 0;
+ priv->NF[TYPE_BEACON][TYPE_NOAVG] = 0;
+ priv->NF[TYPE_BEACON][TYPE_AVG] = 0;
+ priv->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0;
+ priv->RSSI[TYPE_BEACON][TYPE_AVG] = 0;
+
+ lbs_deb_leave(LBS_DEB_CMD);
+ return 0;
+}
+
+static int lbs_cmd_reg_access(struct lbs_private *priv,
+ struct cmd_ds_command *cmdptr,
+ u8 cmd_action, void *pdata_buf)
+{
+ struct lbs_offset_value *offval;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ offval = (struct lbs_offset_value *)pdata_buf;
+
+ switch (le16_to_cpu(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;
+ }
+
+ lbs_deb_leave(LBS_DEB_CMD);
+ return 0;
+}
+
+static int lbs_cmd_802_11_mac_address(struct lbs_private *priv,
+ struct cmd_ds_command *cmd,
+ u16 cmd_action)
+{
+
+ lbs_deb_enter(LBS_DEB_CMD);
+ 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,
+ priv->current_addr, ETH_ALEN);
+ lbs_deb_hex(LBS_DEB_CMD, "SET_CMD: MAC addr", priv->current_addr, 6);
+ }
+
+ lbs_deb_leave(LBS_DEB_CMD);
+ return 0;
+}
+
+static int lbs_cmd_802_11_eeprom_access(struct lbs_private *priv,
+ struct cmd_ds_command *cmd,
+ int cmd_action, void *pdata_buf)
+{
+ struct lbs_ioctl_regrdwr *ea = pdata_buf;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ 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;
+
+ lbs_deb_leave(LBS_DEB_CMD);
+ return 0;
+}
+
+static int lbs_cmd_bt_access(struct lbs_private *priv,
+ struct cmd_ds_command *cmd,
+ u16 cmd_action, void *pdata_buf)
+{
+ struct cmd_ds_bt_access *bt_access = &cmd->params.bt;
+ lbs_deb_enter_args(LBS_DEB_CMD, "action %d", 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_deb_hex(LBS_DEB_MESH, "BT_ADD: blinded MAC addr", bt_access->addr1, 6);
+ break;
+ case CMD_ACT_BT_ACCESS_DEL:
+ memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN);
+ lbs_deb_hex(LBS_DEB_MESH, "BT_DEL: blinded MAC addr", 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;
+ case CMD_ACT_BT_ACCESS_SET_INVERT:
+ bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
+ break;
+ case CMD_ACT_BT_ACCESS_GET_INVERT:
+ break;
+ default:
+ break;
+ }
+ lbs_deb_leave(LBS_DEB_CMD);
+ return 0;
+}
+
+static int lbs_cmd_fwt_access(struct lbs_private *priv,
+ struct cmd_ds_command *cmd,
+ u16 cmd_action, void *pdata_buf)
+{
+ struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt;
+ lbs_deb_enter_args(LBS_DEB_CMD, "action %d", 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);
+
+ lbs_deb_leave(LBS_DEB_CMD);
+ return 0;
+}
+
+int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action,
+ struct cmd_ds_mesh_access *cmd)
+{
+ int ret;
+
+ lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
+
+ cmd->hdr.command = cpu_to_le16(CMD_MESH_ACCESS);
+ cmd->hdr.size = cpu_to_le16(sizeof(struct cmd_ds_mesh_access) + S_DS_GEN);
+ cmd->hdr.result = 0;
+
+ cmd->action = cpu_to_le16(cmd_action);
+
+ ret = lbs_cmd_with_response(priv, CMD_MESH_ACCESS, (*cmd));
+
+ lbs_deb_leave(LBS_DEB_CMD);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(lbs_mesh_access);
+
+int lbs_mesh_config(struct lbs_private *priv, int enable)
+{
+ struct cmd_ds_mesh_config cmd;
+
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.action = cpu_to_le16(enable);
+ cmd.channel = cpu_to_le16(priv->curbssparams.channel);
+ cmd.type = cpu_to_le16(0x100 + 37);
+
+ if (enable) {
+ cmd.length = cpu_to_le16(priv->mesh_ssid_len);
+ memcpy(cmd.data, priv->mesh_ssid, priv->mesh_ssid_len);
+ }
+
+ return lbs_cmd_with_response(priv, CMD_MESH_CONFIG, cmd);
+}
+
+static int lbs_cmd_bcn_ctrl(struct lbs_private * priv,
+ struct cmd_ds_command *cmd,
+ u16 cmd_action)
+{
+ struct cmd_ds_802_11_beacon_control
+ *bcn_ctrl = &cmd->params.bcn_ctrl;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+ cmd->size =
+ cpu_to_le16(sizeof(struct cmd_ds_802_11_beacon_control)
+ + S_DS_GEN);
+ cmd->command = cpu_to_le16(CMD_802_11_BEACON_CTRL);
+
+ bcn_ctrl->action = cpu_to_le16(cmd_action);
+ bcn_ctrl->beacon_enable = cpu_to_le16(priv->beacon_enable);
+ bcn_ctrl->beacon_period = cpu_to_le16(priv->beacon_period);
+
+ lbs_deb_leave(LBS_DEB_CMD);
+ return 0;
+}
+
+/*
+ * Note: NEVER use lbs_queue_cmd() with addtail==0 other than for
+ * the command timer, because it does not account for queued commands.
+ */
+void lbs_queue_cmd(struct lbs_private *priv,
+ struct cmd_ctrl_node *cmdnode,
+ u8 addtail)
+{
+ unsigned long flags;
+
+ lbs_deb_enter(LBS_DEB_HOST);
+
+ if (!cmdnode || !cmdnode->cmdbuf) {
+ lbs_deb_host("QUEUE_CMD: cmdnode or cmdbuf is NULL\n");
+ goto done;
+ }
+
+ /* Exit_PS command needs to be queued in the header always. */
+ if (le16_to_cpu(cmdnode->cmdbuf->command) == CMD_802_11_PS_MODE) {
+ struct cmd_ds_802_11_ps_mode *psm = (void *) cmdnode->cmdbuf;
+
+ if (psm->action == cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
+ if (priv->psstate != PS_STATE_FULL_POWER)
+ addtail = 0;
+ }
+ }
+
+ spin_lock_irqsave(&priv->driver_lock, flags);
+
+ if (addtail)
+ list_add_tail(&cmdnode->list, &priv->cmdpendingq);
+ else
+ list_add(&cmdnode->list, &priv->cmdpendingq);
+
+ spin_unlock_irqrestore(&priv->driver_lock, flags);
+
+ lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n",
+ le16_to_cpu(cmdnode->cmdbuf->command));
+
+done:
+ lbs_deb_leave(LBS_DEB_HOST);
+}
+
+/*
+ * TODO: Fix the issue when DownloadcommandToStation is being called the
+ * second time when the command times out. 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(struct lbs_private *priv,
+ struct cmd_ctrl_node *cmdnode)
+{
+ unsigned long flags;
+ struct cmd_header *cmd;
+ int ret = -1;
+ u16 cmdsize;
+ u16 command;
+
+ lbs_deb_enter(LBS_DEB_HOST);
+
+ if (!priv || !cmdnode) {
+ lbs_deb_host("DNLD_CMD: priv or cmdmode is NULL\n");
+ goto done;
+ }
+
+ cmd = cmdnode->cmdbuf;
+
+ spin_lock_irqsave(&priv->driver_lock, flags);
+ if (!cmd || !cmd->size) {
+ lbs_deb_host("DNLD_CMD: cmdptr is NULL or zero\n");
+ __lbs_cleanup_and_insert_cmd(priv, cmdnode);
+ spin_unlock_irqrestore(&priv->driver_lock, flags);
+ goto done;
+ }
+
+ priv->cur_cmd = cmdnode;
+ priv->cur_cmd_retcode = 0;
+ spin_unlock_irqrestore(&priv->driver_lock, flags);
+
+ cmdsize = le16_to_cpu(cmd->size);
+ command = le16_to_cpu(cmd->command);
+
+ lbs_deb_host("DNLD_CMD: command 0x%04x, size %d, jiffies %lu\n",
+ command, cmdsize, jiffies);
+ lbs_deb_hex(LBS_DEB_HOST, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize);
+
+ cmdnode->cmdwaitqwoken = 0;
+
+ ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmd, cmdsize);
+
+ if (ret != 0) {
+ lbs_deb_host("DNLD_CMD: hw_host_to_card failed\n");
+ spin_lock_irqsave(&priv->driver_lock, flags);
+ priv->cur_cmd_retcode = ret;
+ __lbs_cleanup_and_insert_cmd(priv, priv->cur_cmd);
+ priv->cur_cmd = NULL;
+ spin_unlock_irqrestore(&priv->driver_lock, flags);
+ goto done;
+ }
+
+ lbs_deb_cmd("DNLD_CMD: sent command 0x%04x, jiffies %lu\n", command, jiffies);
+
+ /* Setup the timer after transmit command */
+ if (command == CMD_802_11_SCAN || command == CMD_802_11_AUTHENTICATE
+ || command == CMD_802_11_ASSOCIATE)
+ mod_timer(&priv->command_timer, jiffies + (10*HZ));
+ else
+ mod_timer(&priv->command_timer, jiffies + (5*HZ));
+
+ ret = 0;
+
+done:
+ lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
+ return ret;
+}
+
+static int lbs_cmd_mac_control(struct lbs_private *priv,
+ struct cmd_ds_command *cmd)
+{
+ struct cmd_ds_mac_control *mac = &cmd->params.macctrl;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ 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->currentpacketfilter);
+
+ lbs_deb_cmd("MAC_CONTROL: action 0x%x, size %d\n",
+ le16_to_cpu(mac->action), le16_to_cpu(cmd->size));
+
+ lbs_deb_leave(LBS_DEB_CMD);
+ return 0;
+}
+
+/**
+ * This function inserts command node to cmdfreeq
+ * after cleans it. Requires priv->driver_lock held.
+ */
+void __lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
+ struct cmd_ctrl_node *ptempcmd)
+{
+
+ if (!ptempcmd)
+ return;
+
+ cleanup_cmdnode(ptempcmd);
+ list_add_tail(&ptempcmd->list, &priv->cmdfreeq);
+}
+
+static void lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
+ struct cmd_ctrl_node *ptempcmd)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&priv->driver_lock, flags);
+ __lbs_cleanup_and_insert_cmd(priv, ptempcmd);
+ spin_unlock_irqrestore(&priv->driver_lock, flags);
+}
+
+int lbs_set_radio_control(struct lbs_private *priv)
+{
+ int ret = 0;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ ret = lbs_prepare_and_send_command(priv,
+ CMD_802_11_RADIO_CONTROL,
+ CMD_ACT_SET,
+ CMD_OPTION_WAITFORRSP, 0, NULL);
+
+ lbs_deb_cmd("RADIO_SET: radio %d, preamble %d\n",
+ priv->radioon, priv->preamble);
+
+ lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
+ return ret;
+}
+
+int lbs_set_mac_packet_filter(struct lbs_private *priv)
+{
+ int ret = 0;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ /* Send MAC control command to station */
+ ret = lbs_prepare_and_send_command(priv,
+ CMD_MAC_CONTROL, 0, 0, 0, NULL);
+
+ lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
+ return ret;
+}
+
+/**
+ * @brief This function prepare the command before send to firmware.
+ *
+ * @param priv A pointer to struct lbs_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 lbs_prepare_and_send_command(struct lbs_private *priv,
+ u16 cmd_no,
+ u16 cmd_action,
+ u16 wait_option, u32 cmd_oid, void *pdata_buf)
+{
+ int ret = 0;
+ struct cmd_ctrl_node *cmdnode;
+ struct cmd_ds_command *cmdptr;
+ unsigned long flags;
+
+ lbs_deb_enter(LBS_DEB_HOST);
+
+ if (!priv) {
+ lbs_deb_host("PREP_CMD: priv is NULL\n");
+ ret = -1;
+ goto done;
+ }
+
+ if (priv->surpriseremoved) {
+ lbs_deb_host("PREP_CMD: card removed\n");
+ ret = -1;
+ goto done;
+ }
+
+ cmdnode = lbs_get_cmd_ctrl_node(priv);
+
+ if (cmdnode == NULL) {
+ lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
+
+ /* Wake up main thread to execute next command */
+ wake_up_interruptible(&priv->waitq);
+ ret = -1;
+ goto done;
+ }
+
+ lbs_set_cmd_ctrl_node(priv, cmdnode, wait_option, pdata_buf);
+
+ cmdptr = (struct cmd_ds_command *)cmdnode->cmdbuf;
+
+ lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no);
+
+ if (!cmdptr) {
+ lbs_deb_host("PREP_CMD: cmdptr is NULL\n");
+ lbs_cleanup_and_insert_cmd(priv, cmdnode);
+ ret = -1;
+ goto done;
+ }
+
+ /* Set sequence number, command and INT option */
+ priv->seqnum++;
+ cmdptr->seqnum = cpu_to_le16(priv->seqnum);
+
+ cmdptr->command = cpu_to_le16(cmd_no);
+ cmdptr->result = 0;
+
+ switch (cmd_no) {
+ case CMD_802_11_PS_MODE:
+ ret = lbs_cmd_802_11_ps_mode(priv, cmdptr, cmd_action);
+ break;
+
+ case CMD_802_11_SCAN:
+ ret = lbs_cmd_80211_scan(priv, cmdptr, pdata_buf);
+ break;
+
+ case CMD_MAC_CONTROL:
+ ret = lbs_cmd_mac_control(priv, cmdptr);
+ break;
+
+ case CMD_802_11_ASSOCIATE:
+ case CMD_802_11_REASSOCIATE:
+ ret = lbs_cmd_80211_associate(priv, cmdptr, pdata_buf);
+ break;
+
+ case CMD_802_11_DEAUTHENTICATE:
+ ret = lbs_cmd_80211_deauthenticate(priv, cmdptr);
+ break;
+
+ case CMD_802_11_SET_WEP:
+ ret = lbs_cmd_802_11_set_wep(priv, cmdptr, cmd_action, pdata_buf);
+ break;
+
+ case CMD_802_11_AD_HOC_START:
+ ret = lbs_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf);
+ break;
+ case CMD_CODE_DNLD:
+ break;
+
+ case CMD_802_11_RESET:
+ ret = lbs_cmd_802_11_reset(priv, cmdptr, cmd_action);
+ break;
+
+ case CMD_802_11_GET_LOG:
+ ret = lbs_cmd_802_11_get_log(priv, cmdptr);
+ break;
+
+ case CMD_802_11_AUTHENTICATE:
+ ret = lbs_cmd_80211_authenticate(priv, cmdptr, pdata_buf);
+ break;
+
+ case CMD_802_11_GET_STAT:
+ ret = lbs_cmd_802_11_get_stat(priv, cmdptr);
+ break;
+
+ case CMD_802_11_SNMP_MIB:
+ ret = lbs_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 = lbs_cmd_reg_access(priv, cmdptr, cmd_action, pdata_buf);
+ break;
+
+ case CMD_802_11_RF_TX_POWER:
+ ret = lbs_cmd_802_11_rf_tx_power(priv, cmdptr,
+ cmd_action, pdata_buf);
+ break;
+
+ case CMD_802_11_RADIO_CONTROL:
+ ret = lbs_cmd_802_11_radio_control(priv, cmdptr, cmd_action);
+ break;
+
+ case CMD_802_11_RATE_ADAPT_RATESET:
+ ret = lbs_cmd_802_11_rate_adapt_rateset(priv,
+ cmdptr, cmd_action);
+ break;
+
+ case CMD_MAC_MULTICAST_ADR:
+ ret = lbs_cmd_mac_multicast_adr(priv, cmdptr, cmd_action);
+ break;
+
+ case CMD_802_11_MONITOR_MODE:
+ ret = lbs_cmd_802_11_monitor_mode(priv, cmdptr,
+ cmd_action, pdata_buf);
+ break;
+
+ case CMD_802_11_AD_HOC_JOIN:
+ ret = lbs_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf);
+ break;
+
+ case CMD_802_11_RSSI:
+ ret = lbs_cmd_802_11_rssi(priv, cmdptr);
+ break;
+
+ case CMD_802_11_AD_HOC_STOP:
+ ret = lbs_cmd_80211_ad_hoc_stop(priv, cmdptr);
+ break;
+
+ case CMD_802_11_ENABLE_RSN:
+ ret = lbs_cmd_802_11_enable_rsn(priv, cmdptr, cmd_action,
+ pdata_buf);
+ break;
+
+ case CMD_802_11_KEY_MATERIAL:
+ ret = lbs_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 = lbs_cmd_802_11_mac_address(priv, cmdptr, cmd_action);
+ break;
+
+ case CMD_802_11_EEPROM_ACCESS:
+ ret = lbs_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 = lbs_cmd_802_11d_domain_info(priv, cmdptr,
+ cmd_no, cmd_action);
+ break;
+
+ case CMD_802_11_SLEEP_PARAMS:
+ ret = lbs_cmd_802_11_sleep_params(priv, cmdptr, cmd_action);
+ break;
+ case CMD_802_11_INACTIVITY_TIMEOUT:
+ ret = lbs_cmd_802_11_inactivity_timeout(priv, cmdptr,
+ cmd_action, pdata_buf);
+ lbs_set_cmd_ctrl_node(priv, cmdnode, 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(le16_to_cpu(gpio->header.len)
+ + S_DS_GEN
+ + ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN);
+ gpio->header.len = gpio->header.len;
+
+ ret = 0;
+ break;
+ }
+ case CMD_802_11_SUBSCRIBE_EVENT:
+ lbs_cmd_802_11_subscribe_event(priv, cmdptr,
+ cmd_action, pdata_buf);
+ 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 = lbs_cmd_bt_access(priv, cmdptr, cmd_action, pdata_buf);
+ break;
+
+ case CMD_FWT_ACCESS:
+ ret = lbs_cmd_fwt_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_BEACON_CTRL:
+ ret = lbs_cmd_bcn_ctrl(priv, cmdptr, cmd_action);
+ break;
+ default:
+ lbs_deb_host("PREP_CMD: unknown command 0x%04x\n", cmd_no);
+ ret = -1;
+ break;
+ }
+
+ /* return error, since the command preparation failed */
+ if (ret != 0) {
+ lbs_deb_host("PREP_CMD: command preparation failed\n");
+ lbs_cleanup_and_insert_cmd(priv, cmdnode);
+ ret = -1;
+ goto done;
+ }
+
+ cmdnode->cmdwaitqwoken = 0;
+
+ lbs_queue_cmd(priv, cmdnode, 1);
+ wake_up_interruptible(&priv->waitq);
+
+ if (wait_option & CMD_OPTION_WAITFORRSP) {
+ lbs_deb_host("PREP_CMD: wait for response\n");
+ might_sleep();
+ wait_event_interruptible(cmdnode->cmdwait_q,
+ cmdnode->cmdwaitqwoken);
+ }
+
+ spin_lock_irqsave(&priv->driver_lock, flags);
+ if (priv->cur_cmd_retcode) {
+ lbs_deb_host("PREP_CMD: command failed with return code %d\n",
+ priv->cur_cmd_retcode);
+ priv->cur_cmd_retcode = 0;
+ ret = -1;
+ }
+ spin_unlock_irqrestore(&priv->driver_lock, flags);
+
+done:
+ lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(lbs_prepare_and_send_command);
+
+/**
+ * @brief This function allocates the command buffer and link
+ * it to command free queue.
+ *
+ * @param priv A pointer to struct lbs_private structure
+ * @return 0 or -1
+ */
+int lbs_allocate_cmd_buffer(struct lbs_private *priv)
+{
+ int ret = 0;
+ u32 bufsize;
+ u32 i;
+ struct cmd_ctrl_node *cmdarray;
+
+ lbs_deb_enter(LBS_DEB_HOST);
+
+ /* Allocate and initialize the command array */
+ bufsize = sizeof(struct cmd_ctrl_node) * LBS_NUM_CMD_BUFFERS;
+ if (!(cmdarray = kzalloc(bufsize, GFP_KERNEL))) {
+ lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n");
+ ret = -1;
+ goto done;
+ }
+ priv->cmd_array = cmdarray;
+
+ /* Allocate and initialize each command buffer in the command array */
+ for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
+ cmdarray[i].cmdbuf = kzalloc(LBS_CMD_BUFFER_SIZE, GFP_KERNEL);
+ if (!cmdarray[i].cmdbuf) {
+ lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
+ ret = -1;
+ goto done;
+ }
+ }
+
+ for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
+ init_waitqueue_head(&cmdarray[i].cmdwait_q);
+ lbs_cleanup_and_insert_cmd(priv, &cmdarray[i]);
+ }
+ ret = 0;
+
+done:
+ lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
+ return ret;
+}
+
+/**
+ * @brief This function frees the command buffer.
+ *
+ * @param priv A pointer to struct lbs_private structure
+ * @return 0 or -1
+ */
+int lbs_free_cmd_buffer(struct lbs_private *priv)
+{
+ struct cmd_ctrl_node *cmdarray;
+ unsigned int i;
+
+ lbs_deb_enter(LBS_DEB_HOST);
+
+ /* need to check if cmd array is allocated or not */
+ if (priv->cmd_array == NULL) {
+ lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n");
+ goto done;
+ }
+
+ cmdarray = priv->cmd_array;
+
+ /* Release shared memory buffers */
+ for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
+ if (cmdarray[i].cmdbuf) {
+ kfree(cmdarray[i].cmdbuf);
+ cmdarray[i].cmdbuf = NULL;
+ }
+ }
+
+ /* Release cmd_ctrl_node */
+ if (priv->cmd_array) {
+ kfree(priv->cmd_array);
+ priv->cmd_array = NULL;
+ }
+
+done:
+ lbs_deb_leave(LBS_DEB_HOST);
+ return 0;
+}
+
+/**
+ * @brief This function gets a free command node if available in
+ * command free queue.
+ *
+ * @param priv A pointer to struct lbs_private structure
+ * @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
+ */
+static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv)
+{
+ struct cmd_ctrl_node *tempnode;
+ unsigned long flags;
+
+ lbs_deb_enter(LBS_DEB_HOST);
+
+ if (!priv)
+ return NULL;
+
+ spin_lock_irqsave(&priv->driver_lock, flags);
+
+ if (!list_empty(&priv->cmdfreeq)) {
+ tempnode = list_first_entry(&priv->cmdfreeq,
+ struct cmd_ctrl_node, list);
+ list_del(&tempnode->list);
+ } else {
+ lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n");
+ tempnode = NULL;
+ }
+
+ spin_unlock_irqrestore(&priv->driver_lock, flags);
+
+ if (tempnode)
+ cleanup_cmdnode(tempnode);
+
+ lbs_deb_leave(LBS_DEB_HOST);
+ 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 *cmdnode)
+{
+ lbs_deb_enter(LBS_DEB_HOST);
+
+ if (!cmdnode)
+ return;
+ cmdnode->cmdwaitqwoken = 1;
+ wake_up_interruptible(&cmdnode->cmdwait_q);
+ cmdnode->wait_option = 0;
+ cmdnode->pdata_buf = NULL;
+ cmdnode->callback = NULL;
+ cmdnode->callback_arg = 0;
+
+ if (cmdnode->cmdbuf != NULL)
+ memset(cmdnode->cmdbuf, 0, LBS_CMD_BUFFER_SIZE);
+
+ lbs_deb_leave(LBS_DEB_HOST);
+}
+
+/**
+ * @brief This function initializes the command node.
+ *
+ * @param priv A pointer to struct lbs_private structure
+ * @param ptempnode A pointer to cmd_ctrl_node structure
+ * @param wait_option wait option: wait response or not
+ * @param pdata_buf A pointer to informaion buffer
+ * @return 0 or -1
+ */
+static void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
+ struct cmd_ctrl_node *ptempnode,
+ u16 wait_option, void *pdata_buf)
+{
+ lbs_deb_enter(LBS_DEB_HOST);
+
+ if (!ptempnode)
+ return;
+
+ ptempnode->wait_option = wait_option;
+ ptempnode->pdata_buf = pdata_buf;
+ ptempnode->callback = NULL;
+ ptempnode->callback_arg = 0;
+
+ lbs_deb_leave(LBS_DEB_HOST);
+}
+
+/**
+ * @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 struct lbs_private structure
+ * @return 0 or -1
+ */
+int lbs_execute_next_command(struct lbs_private *priv)
+{
+ struct cmd_ctrl_node *cmdnode = NULL;
+ struct cmd_header *cmd;
+ unsigned long flags;
+ int ret = 0;
+
+ // Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the
+ // only caller to us is lbs_thread() and we get even when a
+ // data packet is received
+ lbs_deb_enter(LBS_DEB_THREAD);
+
+ spin_lock_irqsave(&priv->driver_lock, flags);
+
+ if (priv->cur_cmd) {
+ lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n");
+ spin_unlock_irqrestore(&priv->driver_lock, flags);
+ ret = -1;
+ goto done;
+ }
+
+ if (!list_empty(&priv->cmdpendingq)) {
+ cmdnode = list_first_entry(&priv->cmdpendingq,
+ struct cmd_ctrl_node, list);
+ }
+
+ spin_unlock_irqrestore(&priv->driver_lock, flags);
+
+ if (cmdnode) {
+ cmd = cmdnode->cmdbuf;
+
+ if (is_command_allowed_in_ps(le16_to_cpu(cmd->command))) {
+ if ((priv->psstate == PS_STATE_SLEEP) ||
+ (priv->psstate == PS_STATE_PRE_SLEEP)) {
+ lbs_deb_host(
+ "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n",
+ le16_to_cpu(cmd->command),
+ priv->psstate);
+ ret = -1;
+ goto done;
+ }
+ lbs_deb_host("EXEC_NEXT_CMD: OK to send command "
+ "0x%04x in psstate %d\n",
+ le16_to_cpu(cmd->command), priv->psstate);
+ } else if (priv->psstate != PS_STATE_FULL_POWER) {
+ /*
+ * 1. Non-PS command:
+ * Queue it. set needtowakeup to TRUE if current state
+ * is SLEEP, otherwise call lbs_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 (cmd->command != cpu_to_le16(CMD_802_11_PS_MODE)) {
+ /* Prepare to send Exit PS,
+ * this non PS command will be sent later */
+ if ((priv->psstate == PS_STATE_SLEEP)
+ || (priv->psstate == PS_STATE_PRE_SLEEP)
+ ) {
+ /* w/ new scheme, it will not reach here.
+ since it is blocked in main_thread. */
+ priv->needtowakeup = 1;
+ } else
+ lbs_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 = (void *)cmd;
+
+ lbs_deb_host(
+ "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
+ psm->action);
+ if (psm->action !=
+ cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
+ lbs_deb_host(
+ "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
+ list_del(&cmdnode->list);
+ lbs_cleanup_and_insert_cmd(priv, cmdnode);
+
+ ret = 0;
+ goto done;
+ }
+
+ if ((priv->psstate == PS_STATE_SLEEP) ||
+ (priv->psstate == PS_STATE_PRE_SLEEP)) {
+ lbs_deb_host(
+ "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n");
+ list_del(&cmdnode->list);
+ lbs_cleanup_and_insert_cmd(priv, cmdnode);
+ priv->needtowakeup = 1;
+
+ ret = 0;
+ goto done;
+ }
+
+ lbs_deb_host(
+ "EXEC_NEXT_CMD: sending EXIT_PS\n");
+ }
+ }
+ list_del(&cmdnode->list);
+ lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
+ le16_to_cpu(cmd->command));
+ DownloadcommandToStation(priv, cmdnode);
+ } else {
+ /*
+ * check if in power save mode, if yes, put the device back
+ * to PS mode
+ */
+ if ((priv->psmode != LBS802_11POWERMODECAM) &&
+ (priv->psstate == PS_STATE_FULL_POWER) &&
+ ((priv->connect_status == LBS_CONNECTED) ||
+ (priv->mesh_connect_status == LBS_CONNECTED))) {
+ if (priv->secinfo.WPAenabled ||
+ priv->secinfo.WPA2enabled) {
+ /* check for valid WPA group keys */
+ if (priv->wpa_mcast_key.len ||
+ priv->wpa_unicast_key.len) {
+ lbs_deb_host(
+ "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
+ " go back to PS_SLEEP");
+ lbs_ps_sleep(priv, 0);
+ }
+ } else {
+ lbs_deb_host(
+ "EXEC_NEXT_CMD: cmdpendingq empty, "
+ "go back to PS_SLEEP");
+ lbs_ps_sleep(priv, 0);
+ }
+ }
+ }
+
+ ret = 0;
+done:
+ lbs_deb_leave(LBS_DEB_THREAD);
+ return ret;
+}
+
+void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str)
+{
+ union iwreq_data iwrq;
+ u8 buf[50];
+
+ lbs_deb_enter(LBS_DEB_WEXT);
+
+ 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_deb_wext("event indication string %s\n", (char *)buf);
+ lbs_deb_wext("event indication length %d\n", iwrq.data.length);
+ lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str);
+
+ wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf);
+
+ lbs_deb_leave(LBS_DEB_WEXT);
+}
+
+static int sendconfirmsleep(struct lbs_private *priv, u8 *cmdptr, u16 size)
+{
+ unsigned long flags;
+ int ret = 0;
+
+ lbs_deb_enter(LBS_DEB_HOST);
+
+ lbs_deb_host("SEND_SLEEPC_CMD: before download, cmd size %d\n",
+ size);
+
+ lbs_deb_hex(LBS_DEB_HOST, "sleep confirm command", cmdptr, size);
+
+ ret = priv->hw_host_to_card(priv, MVMS_CMD, cmdptr, size);
+ priv->dnld_sent = DNLD_RES_RECEIVED;
+
+ spin_lock_irqsave(&priv->driver_lock, flags);
+ if (priv->intcounter || priv->currenttxskb)
+ lbs_deb_host("SEND_SLEEPC_CMD: intcounter %d, currenttxskb %p\n",
+ priv->intcounter, priv->currenttxskb);
+ spin_unlock_irqrestore(&priv->driver_lock, flags);
+
+ if (ret) {
+ lbs_pr_alert(
+ "SEND_SLEEPC_CMD: Host to Card failed for Confirm Sleep\n");
+ } else {
+ spin_lock_irqsave(&priv->driver_lock, flags);
+ if (!priv->intcounter) {
+ priv->psstate = PS_STATE_SLEEP;
+ } else {
+ lbs_deb_host("SEND_SLEEPC_CMD: after sent, intcounter %d\n",
+ priv->intcounter);
+ }
+ spin_unlock_irqrestore(&priv->driver_lock, flags);
+
+ lbs_deb_host("SEND_SLEEPC_CMD: sent confirm sleep\n");
+ }
+
+ lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
+ return ret;
+}
+
+void lbs_ps_sleep(struct lbs_private *priv, int wait_option)
+{
+ lbs_deb_enter(LBS_DEB_HOST);
+
+ /*
+ * PS is currently supported only in Infrastructure mode
+ * Remove this check if it is to be supported in IBSS mode also
+ */
+
+ lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
+ CMD_SUBCMD_ENTER_PS, wait_option, 0, NULL);
+
+ lbs_deb_leave(LBS_DEB_HOST);
+}
+
+/**
+ * @brief This function sends Exit_PS command to firmware.
+ *
+ * @param priv A pointer to struct lbs_private structure
+ * @param wait_option wait response or not
+ * @return n/a
+ */
+void lbs_ps_wakeup(struct lbs_private *priv, int wait_option)
+{
+ __le32 Localpsmode;
+
+ lbs_deb_enter(LBS_DEB_HOST);
+
+ Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM);
+
+ lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
+ CMD_SUBCMD_EXIT_PS,
+ wait_option, 0, &Localpsmode);
+
+ lbs_deb_leave(LBS_DEB_HOST);
+}
+
+/**
+ * @brief This function checks condition and prepares to
+ * send sleep confirm command to firmware if ok.
+ *
+ * @param priv A pointer to struct lbs_private structure
+ * @param psmode Power Saving mode
+ * @return n/a
+ */
+void lbs_ps_confirm_sleep(struct lbs_private *priv, u16 psmode)
+{
+ unsigned long flags =0;
+ u8 allowed = 1;
+
+ lbs_deb_enter(LBS_DEB_HOST);
+
+ if (priv->dnld_sent) {
+ allowed = 0;
+ lbs_deb_host("dnld_sent was set");
+ }
+
+ spin_lock_irqsave(&priv->driver_lock, flags);
+ if (priv->cur_cmd) {
+ allowed = 0;
+ lbs_deb_host("cur_cmd was set");
+ }
+ if (priv->intcounter > 0) {
+ allowed = 0;
+ lbs_deb_host("intcounter %d", priv->intcounter);
+ }
+ spin_unlock_irqrestore(&priv->driver_lock, flags);
+
+ if (allowed) {
+ lbs_deb_host("sending lbs_ps_confirm_sleep\n");
+ sendconfirmsleep(priv, (u8 *) & priv->lbs_ps_confirm_sleep,
+ sizeof(struct PS_CMD_ConfirmSleep));
+ } else {
+ lbs_deb_host("sleep confirm has been delayed\n");
+ }
+
+ lbs_deb_leave(LBS_DEB_HOST);
+}
+
+
+/**
+ * @brief Simple callback that copies response back into command
+ *
+ * @param priv A pointer to struct lbs_private structure
+ * @param extra A pointer to the original command structure for which
+ * 'resp' is a response
+ * @param resp A pointer to the command response
+ *
+ * @return 0 on success, error on failure
+ */
+int lbs_cmd_copyback(struct lbs_private *priv, unsigned long extra,
+ struct cmd_header *resp)
+{
+ struct cmd_header *buf = (void *)extra;
+ uint16_t copy_len;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ copy_len = min(le16_to_cpu(buf->size), le16_to_cpu(resp->size));
+ lbs_deb_cmd("Copying back %u bytes; command response was %u bytes, "
+ "copy back buffer was %u bytes\n", copy_len,
+ le16_to_cpu(resp->size), le16_to_cpu(buf->size));
+ memcpy(buf, resp, copy_len);
+
+ lbs_deb_leave(LBS_DEB_CMD);
+ return 0;
+}
+
+/**
+ * @brief Simple way to call firmware functions
+ *
+ * @param priv A pointer to struct lbs_private structure
+ * @param psmode one of the many CMD_802_11_xxxx
+ * @param cmd pointer to the parameters structure for above command
+ * (this should not include the command, size, sequence
+ * and result fields from struct cmd_ds_gen)
+ * @param cmd_size size structure pointed to by cmd
+ * @param rsp pointer to an area where the result should be placed
+ * @param rsp_size pointer to the size of the rsp area. If the firmware
+ * returns fewer bytes, then this *rsp_size will be
+ * changed to the actual size.
+ * @return -1 in case of a higher level error, otherwise
+ * the result code from the firmware
+ */
+int __lbs_cmd(struct lbs_private *priv, uint16_t command,
+ struct cmd_header *in_cmd, int in_cmd_size,
+ int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
+ unsigned long callback_arg)
+{
+ struct cmd_ctrl_node *cmdnode;
+ unsigned long flags;
+ int ret = 0;
+
+ lbs_deb_enter(LBS_DEB_HOST);
+
+ if (!priv) {
+ lbs_deb_host("PREP_CMD: priv is NULL\n");
+ ret = -1;
+ goto done;
+ }
+
+ if (priv->surpriseremoved) {
+ lbs_deb_host("PREP_CMD: card removed\n");
+ ret = -1;
+ goto done;
+ }
+
+ cmdnode = lbs_get_cmd_ctrl_node(priv);
+ if (cmdnode == NULL) {
+ lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
+
+ /* Wake up main thread to execute next command */
+ wake_up_interruptible(&priv->waitq);
+ ret = -1;
+ goto done;
+ }
+
+ cmdnode->wait_option = CMD_OPTION_WAITFORRSP;
+ cmdnode->callback = callback;
+ cmdnode->callback_arg = callback_arg;
+
+ /* Copy the incoming command to the buffer */
+ memcpy(cmdnode->cmdbuf, in_cmd, in_cmd_size);
+
+ /* Set sequence number, clean result, move to buffer */
+ priv->seqnum++;
+ cmdnode->cmdbuf->command = cpu_to_le16(command);
+ cmdnode->cmdbuf->size = cpu_to_le16(in_cmd_size);
+ cmdnode->cmdbuf->seqnum = cpu_to_le16(priv->seqnum);
+ cmdnode->cmdbuf->result = 0;
+
+ lbs_deb_host("PREP_CMD: command 0x%04x\n", command);
+
+ /* here was the big old switch() statement, which is now obsolete,
+ * because the caller of lbs_cmd() sets up all of *cmd for us. */
+
+ cmdnode->cmdwaitqwoken = 0;
+ lbs_queue_cmd(priv, cmdnode, 1);
+ wake_up_interruptible(&priv->waitq);
+
+ might_sleep();
+ wait_event_interruptible(cmdnode->cmdwait_q, cmdnode->cmdwaitqwoken);
+
+ spin_lock_irqsave(&priv->driver_lock, flags);
+ if (priv->cur_cmd_retcode) {
+ lbs_deb_host("PREP_CMD: command failed with return code %d\n",
+ priv->cur_cmd_retcode);
+ priv->cur_cmd_retcode = 0;
+ ret = -1;
+ }
+ spin_unlock_irqrestore(&priv->driver_lock, flags);
+
+done:
+ lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(__lbs_cmd);
+
+