return 0;
}
+/*
+ * CFG802.11 operation handler for connection quality monitoring.
+ *
+ * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI
+ * events to FW.
+ */
+static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy,
+ struct net_device *dev,
+ s32 rssi_thold, u32 rssi_hyst)
+{
+ struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
+ struct mwifiex_ds_misc_subsc_evt subsc_evt;
+
+ priv->cqm_rssi_thold = rssi_thold;
+ priv->cqm_rssi_hyst = rssi_hyst;
+
+ memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt));
+ subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH;
+
+ /* Subscribe/unsubscribe low and high rssi events */
+ if (rssi_thold && rssi_hyst) {
+ subsc_evt.action = HostCmd_ACT_BITWISE_SET;
+ subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold);
+ subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold);
+ subsc_evt.bcn_l_rssi_cfg.evt_freq = 1;
+ subsc_evt.bcn_h_rssi_cfg.evt_freq = 1;
+ return mwifiex_send_cmd_sync(priv,
+ HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
+ 0, 0, &subsc_evt);
+ } else {
+ subsc_evt.action = HostCmd_ACT_BITWISE_CLR;
+ return mwifiex_send_cmd_sync(priv,
+ HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
+ 0, 0, &subsc_evt);
+ }
+
+ return 0;
+}
+
/*
* CFG802.11 operation handler for disconnection request.
*
.set_power_mgmt = mwifiex_cfg80211_set_power_mgmt,
.set_tx_power = mwifiex_cfg80211_set_tx_power,
.set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask,
+ .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config,
};
/*
#define TLV_TYPE_KEY_MATERIAL (PROPRIETARY_TLV_BASE_ID + 0)
#define TLV_TYPE_CHANLIST (PROPRIETARY_TLV_BASE_ID + 1)
#define TLV_TYPE_NUMPROBES (PROPRIETARY_TLV_BASE_ID + 2)
+#define TLV_TYPE_RSSI_LOW (PROPRIETARY_TLV_BASE_ID + 4)
#define TLV_TYPE_PASSTHROUGH (PROPRIETARY_TLV_BASE_ID + 10)
#define TLV_TYPE_WMMQSTATUS (PROPRIETARY_TLV_BASE_ID + 16)
#define TLV_TYPE_WILDCARDSSID (PROPRIETARY_TLV_BASE_ID + 18)
#define TLV_TYPE_TSFTIMESTAMP (PROPRIETARY_TLV_BASE_ID + 19)
+#define TLV_TYPE_RSSI_HIGH (PROPRIETARY_TLV_BASE_ID + 22)
#define TLV_TYPE_AUTH_TYPE (PROPRIETARY_TLV_BASE_ID + 31)
#define TLV_TYPE_CHANNELBANDLIST (PROPRIETARY_TLV_BASE_ID + 42)
#define TLV_TYPE_RATE_DROP_CONTROL (PROPRIETARY_TLV_BASE_ID + 82)
#define HostCmd_CMD_802_11_KEY_MATERIAL 0x005e
#define HostCmd_CMD_802_11_BG_SCAN_QUERY 0x006c
#define HostCmd_CMD_WMM_GET_STATUS 0x0071
+#define HostCmd_CMD_802_11_SUBSCRIBE_EVENT 0x0075
#define HostCmd_CMD_802_11_TX_RATE_QUERY 0x007f
#define HostCmd_CMD_802_11_IBSS_COALESCING_STATUS 0x0083
#define HostCmd_CMD_VERSION_EXT 0x0097
#define HostCmd_RET_BIT 0x8000
#define HostCmd_ACT_GEN_GET 0x0000
#define HostCmd_ACT_GEN_SET 0x0001
+#define HostCmd_ACT_BITWISE_SET 0x0002
+#define HostCmd_ACT_BITWISE_CLR 0x0003
#define HostCmd_RESULT_OK 0x0000
#define HostCmd_ACT_MAC_RX_ON 0x0001
u32 sleep_cookie_addr_hi;
} __packed;
+struct mwifiex_ie_types_rssi_threshold {
+ struct mwifiex_ie_types_header header;
+ u8 abs_value;
+ u8 evt_freq;
+} __packed;
+
+struct host_cmd_ds_802_11_subsc_evt {
+ __le16 action;
+ __le16 events;
+} __packed;
+
struct host_cmd_ds_command {
__le16 command;
__le16 size;
struct host_cmd_ds_set_bss_mode bss_mode;
struct host_cmd_ds_pcie_details pcie_host_spec;
struct host_cmd_ds_802_11_eeprom_access eeprom;
+ struct host_cmd_ds_802_11_subsc_evt subsc_evt;
} params;
} __packed;
u8 cmd[MWIFIEX_SIZE_OF_CMD_BUFFER];
};
+#define BITMASK_BCN_RSSI_LOW BIT(0)
+#define BITMASK_BCN_RSSI_HIGH BIT(4)
+
+enum subsc_evt_rssi_state {
+ EVENT_HANDLED,
+ RSSI_LOW_RECVD,
+ RSSI_HIGH_RECVD
+};
+
+struct subsc_evt_cfg {
+ u8 abs_value;
+ u8 evt_freq;
+};
+
+struct mwifiex_ds_misc_subsc_evt {
+ u16 action;
+ u16 events;
+ struct subsc_evt_cfg bcn_l_rssi_cfg;
+ struct subsc_evt_cfg bcn_h_rssi_cfg;
+};
+
#define MWIFIEX_MAX_VSIE_LEN (256)
#define MWIFIEX_MAX_VSIE_NUM (8)
#define MWIFIEX_VSIE_MASK_SCAN 0x01
u8 country_code[IEEE80211_COUNTRY_STRING_LEN];
struct wps wps;
u8 scan_block;
+ s32 cqm_rssi_thold;
+ u32 cqm_rssi_hyst;
+ u8 subsc_evt_rssi_state;
};
enum mwifiex_ba_status {
return 0;
}
+/*
+ * This function prepares command for event subscription, configuration
+ * and query. Events can be subscribed or unsubscribed. Current subscribed
+ * events can be queried. Also, current subscribed events are reported in
+ * every FW response.
+ */
+static int
+mwifiex_cmd_802_11_subsc_evt(struct mwifiex_private *priv,
+ struct host_cmd_ds_command *cmd,
+ struct mwifiex_ds_misc_subsc_evt *subsc_evt_cfg)
+{
+ struct host_cmd_ds_802_11_subsc_evt *subsc_evt = &cmd->params.subsc_evt;
+ struct mwifiex_ie_types_rssi_threshold *rssi_tlv;
+ u16 event_bitmap;
+ u8 *pos;
+
+ cmd->command = cpu_to_le16(HostCmd_CMD_802_11_SUBSCRIBE_EVENT);
+ cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_subsc_evt) +
+ S_DS_GEN);
+
+ subsc_evt->action = cpu_to_le16(subsc_evt_cfg->action);
+ dev_dbg(priv->adapter->dev, "cmd: action: %d\n", subsc_evt_cfg->action);
+
+ /*For query requests, no configuration TLV structures are to be added.*/
+ if (subsc_evt_cfg->action == HostCmd_ACT_GEN_GET)
+ return 0;
+
+ subsc_evt->events = cpu_to_le16(subsc_evt_cfg->events);
+
+ event_bitmap = subsc_evt_cfg->events;
+ dev_dbg(priv->adapter->dev, "cmd: event bitmap : %16x\n",
+ event_bitmap);
+
+ if (((subsc_evt_cfg->action == HostCmd_ACT_BITWISE_CLR) ||
+ (subsc_evt_cfg->action == HostCmd_ACT_BITWISE_SET)) &&
+ (event_bitmap == 0)) {
+ dev_dbg(priv->adapter->dev, "Error: No event specified "
+ "for bitwise action type\n");
+ return -EINVAL;
+ }
+
+ /*
+ * Append TLV structures for each of the specified events for
+ * subscribing or re-configuring. This is not required for
+ * bitwise unsubscribing request.
+ */
+ if (subsc_evt_cfg->action == HostCmd_ACT_BITWISE_CLR)
+ return 0;
+
+ pos = ((u8 *)subsc_evt) +
+ sizeof(struct host_cmd_ds_802_11_subsc_evt);
+
+ if (event_bitmap & BITMASK_BCN_RSSI_LOW) {
+ rssi_tlv = (struct mwifiex_ie_types_rssi_threshold *) pos;
+
+ rssi_tlv->header.type = cpu_to_le16(TLV_TYPE_RSSI_LOW);
+ rssi_tlv->header.len =
+ cpu_to_le16(sizeof(struct mwifiex_ie_types_rssi_threshold) -
+ sizeof(struct mwifiex_ie_types_header));
+ rssi_tlv->abs_value = subsc_evt_cfg->bcn_l_rssi_cfg.abs_value;
+ rssi_tlv->evt_freq = subsc_evt_cfg->bcn_l_rssi_cfg.evt_freq;
+
+ dev_dbg(priv->adapter->dev, "Cfg Beacon Low Rssi event, "
+ "RSSI:-%d dBm, Freq:%d\n",
+ subsc_evt_cfg->bcn_l_rssi_cfg.abs_value,
+ subsc_evt_cfg->bcn_l_rssi_cfg.evt_freq);
+
+ pos += sizeof(struct mwifiex_ie_types_rssi_threshold);
+ le16_add_cpu(&cmd->size,
+ sizeof(struct mwifiex_ie_types_rssi_threshold));
+ }
+
+ if (event_bitmap & BITMASK_BCN_RSSI_HIGH) {
+ rssi_tlv = (struct mwifiex_ie_types_rssi_threshold *) pos;
+
+ rssi_tlv->header.type = cpu_to_le16(TLV_TYPE_RSSI_HIGH);
+ rssi_tlv->header.len =
+ cpu_to_le16(sizeof(struct mwifiex_ie_types_rssi_threshold) -
+ sizeof(struct mwifiex_ie_types_header));
+ rssi_tlv->abs_value = subsc_evt_cfg->bcn_h_rssi_cfg.abs_value;
+ rssi_tlv->evt_freq = subsc_evt_cfg->bcn_h_rssi_cfg.evt_freq;
+
+ dev_dbg(priv->adapter->dev, "Cfg Beacon Low Rssi event, "
+ "RSSI:-%d dBm, Freq:%d\n",
+ subsc_evt_cfg->bcn_h_rssi_cfg.abs_value,
+ subsc_evt_cfg->bcn_h_rssi_cfg.evt_freq);
+
+ pos += sizeof(struct mwifiex_ie_types_rssi_threshold);
+ le16_add_cpu(&cmd->size,
+ sizeof(struct mwifiex_ie_types_rssi_threshold));
+ }
+
+ return 0;
+}
+
/*
* This function prepares the commands before sending them to the firmware.
*
case HostCmd_CMD_PCIE_DESC_DETAILS:
ret = mwifiex_cmd_pcie_host_spec(priv, cmd_ptr, cmd_action);
break;
+ case HostCmd_CMD_802_11_SUBSCRIBE_EVENT:
+ ret = mwifiex_cmd_802_11_subsc_evt(priv, cmd_ptr, data_buf);
+ break;
default:
dev_err(priv->adapter->dev,
"PREP_CMD: unknown cmd- %#x\n", cmd_no);
{
struct host_cmd_ds_802_11_rssi_info_rsp *rssi_info_rsp =
&resp->params.rssi_info_rsp;
+ struct mwifiex_ds_misc_subsc_evt subsc_evt;
priv->data_rssi_last = le16_to_cpu(rssi_info_rsp->data_rssi_last);
priv->data_nf_last = le16_to_cpu(rssi_info_rsp->data_nf_last);
priv->bcn_rssi_avg = le16_to_cpu(rssi_info_rsp->bcn_rssi_avg);
priv->bcn_nf_avg = le16_to_cpu(rssi_info_rsp->bcn_nf_avg);
+ if (priv->subsc_evt_rssi_state == EVENT_HANDLED)
+ return 0;
+
+ /* Resubscribe low and high rssi events with new thresholds */
+ memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt));
+ subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH;
+ subsc_evt.action = HostCmd_ACT_BITWISE_SET;
+ if (priv->subsc_evt_rssi_state == RSSI_LOW_RECVD) {
+ subsc_evt.bcn_l_rssi_cfg.abs_value = abs(priv->bcn_rssi_avg -
+ priv->cqm_rssi_hyst);
+ subsc_evt.bcn_h_rssi_cfg.abs_value = abs(priv->cqm_rssi_thold);
+ } else if (priv->subsc_evt_rssi_state == RSSI_HIGH_RECVD) {
+ subsc_evt.bcn_l_rssi_cfg.abs_value = abs(priv->cqm_rssi_thold);
+ subsc_evt.bcn_h_rssi_cfg.abs_value = abs(priv->bcn_rssi_avg +
+ priv->cqm_rssi_hyst);
+ }
+ subsc_evt.bcn_l_rssi_cfg.evt_freq = 1;
+ subsc_evt.bcn_h_rssi_cfg.evt_freq = 1;
+
+ priv->subsc_evt_rssi_state = EVENT_HANDLED;
+
+ mwifiex_send_cmd_async(priv, HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
+ 0, 0, &subsc_evt);
+
return 0;
}
return 0;
}
+/*
+ * This function handles the command response for subscribe event command.
+ */
+static int mwifiex_ret_subsc_evt(struct mwifiex_private *priv,
+ struct host_cmd_ds_command *resp,
+ struct mwifiex_ds_misc_subsc_evt *sub_event)
+{
+ struct host_cmd_ds_802_11_subsc_evt *cmd_sub_event =
+ (struct host_cmd_ds_802_11_subsc_evt *)&resp->params.subsc_evt;
+
+ /* For every subscribe event command (Get/Set/Clear), FW reports the
+ * current set of subscribed events*/
+ dev_dbg(priv->adapter->dev, "Bitmap of currently subscribed events: %16x\n",
+ le16_to_cpu(cmd_sub_event->events));
+
+ /*Return the subscribed event info for a Get request*/
+ if (sub_event)
+ sub_event->events = le16_to_cpu(cmd_sub_event->events);
+
+ return 0;
+}
+
/*
* This function handles the command responses.
*
break;
case HostCmd_CMD_PCIE_DESC_DETAILS:
break;
+ case HostCmd_CMD_802_11_SUBSCRIBE_EVENT:
+ ret = mwifiex_ret_subsc_evt(priv, resp, data_buf);
+ break;
default:
dev_err(adapter->dev, "CMD_RESP: unknown cmd response %#x\n",
resp->command);
break;
case EVENT_RSSI_LOW:
+ cfg80211_cqm_rssi_notify(priv->netdev,
+ NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW,
+ GFP_KERNEL);
+ mwifiex_send_cmd_async(priv, HostCmd_CMD_RSSI_INFO,
+ HostCmd_ACT_GEN_GET, 0, NULL);
+ priv->subsc_evt_rssi_state = RSSI_LOW_RECVD;
dev_dbg(adapter->dev, "event: Beacon RSSI_LOW\n");
break;
case EVENT_SNR_LOW:
dev_dbg(adapter->dev, "event: MAX_FAIL\n");
break;
case EVENT_RSSI_HIGH:
+ cfg80211_cqm_rssi_notify(priv->netdev,
+ NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH,
+ GFP_KERNEL);
+ mwifiex_send_cmd_async(priv, HostCmd_CMD_RSSI_INFO,
+ HostCmd_ACT_GEN_GET, 0, NULL);
+ priv->subsc_evt_rssi_state = RSSI_HIGH_RECVD;
dev_dbg(adapter->dev, "event: Beacon RSSI_HIGH\n");
break;
case EVENT_SNR_HIGH:
projects / cascardo / linux.git / commitdiff