diff options
| -rw-r--r-- | drivers/net/wireless/rsi/rsi_91x_mac80211.c | 34 | ||||
| -rw-r--r-- | drivers/net/wireless/rsi/rsi_91x_mgmt.c | 37 | ||||
| -rw-r--r-- | drivers/net/wireless/rsi/rsi_main.h | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/rsi/rsi_mgmt.h | 4 |
4 files changed, 76 insertions, 1 deletions
diff --git a/drivers/net/wireless/rsi/rsi_91x_mac80211.c b/drivers/net/wireless/rsi/rsi_91x_mac80211.c index 6f065d3..f63d6bb 100644 --- a/drivers/net/wireless/rsi/rsi_91x_mac80211.c +++ b/drivers/net/wireless/rsi/rsi_91x_mac80211.c @@ -411,6 +411,34 @@ static int rsi_channel_change(struct ieee80211_hw *hw) } /** + * rsi_config_power() - This function configures tx power to device + * @hw: Pointer to the ieee80211_hw structure. + * + * Return: 0 on success, negative error code on failure. + */ +static int rsi_config_power(struct ieee80211_hw *hw) +{ + struct rsi_hw *adapter = hw->priv; + struct rsi_common *common = adapter->priv; + struct ieee80211_conf *conf = &hw->conf; + + if (adapter->sc_nvifs <= 0) { + rsi_dbg(ERR_ZONE, "%s: No virtual interface found\n", __func__); + return -EINVAL; + } + + rsi_dbg(INFO_ZONE, + "%s: Set tx power: %d dBM\n", __func__, conf->power_level); + + if (conf->power_level == common->tx_power) + return 0; + + common->tx_power = conf->power_level; + + return rsi_send_radio_params_update(common); +} + +/** * rsi_mac80211_config() - This function is a handler for configuration * requests. The stack calls this function to * change hardware configuration, e.g., channel. @@ -431,6 +459,12 @@ static int rsi_mac80211_config(struct ieee80211_hw *hw, if (changed & IEEE80211_CONF_CHANGE_CHANNEL) status = rsi_channel_change(hw); + /* tx power */ + if (changed & IEEE80211_CONF_CHANGE_POWER) { + rsi_dbg(INFO_ZONE, "%s: Configuring Power\n", __func__); + status = rsi_config_power(hw); + } + mutex_unlock(&common->mutex); return status; diff --git a/drivers/net/wireless/rsi/rsi_91x_mgmt.c b/drivers/net/wireless/rsi/rsi_91x_mgmt.c index 631cdb1..99c2560 100644 --- a/drivers/net/wireless/rsi/rsi_91x_mgmt.c +++ b/drivers/net/wireless/rsi/rsi_91x_mgmt.c @@ -953,6 +953,43 @@ int rsi_set_channel(struct rsi_common *common, u16 channel) } /** + * rsi_send_radio_params_update() - This function sends the radio + * parameters update to device + * @common: Pointer to the driver private structure. + * @channel: Channel value to be set. + * + * Return: 0 on success, corresponding error code on failure. + */ +int rsi_send_radio_params_update(struct rsi_common *common) +{ + struct rsi_mac_frame *cmd_frame; + struct sk_buff *skb = NULL; + + rsi_dbg(MGMT_TX_ZONE, + "%s: Sending Radio Params update frame\n", __func__); + + skb = dev_alloc_skb(FRAME_DESC_SZ); + if (!skb) { + rsi_dbg(ERR_ZONE, "%s: Failed in allocation of skb\n", + __func__); + return -ENOMEM; + } + + memset(skb->data, 0, FRAME_DESC_SZ); + cmd_frame = (struct rsi_mac_frame *)skb->data; + + cmd_frame->desc_word[0] = cpu_to_le16(RSI_WIFI_MGMT_Q << 12); + cmd_frame->desc_word[1] = cpu_to_le16(RADIO_PARAMS_UPDATE); + cmd_frame->desc_word[3] = cpu_to_le16(BIT(0)); + + cmd_frame->desc_word[3] |= cpu_to_le16(common->tx_power << 8); + + skb_put(skb, FRAME_DESC_SZ); + + return rsi_send_internal_mgmt_frame(common, skb); +} + +/** * rsi_compare() - This function is used to compare two integers * @a: pointer to the first integer * @b: pointer to the second integer diff --git a/drivers/net/wireless/rsi/rsi_main.h b/drivers/net/wireless/rsi/rsi_main.h index dcd0957..3938f13 100644 --- a/drivers/net/wireless/rsi/rsi_main.h +++ b/drivers/net/wireless/rsi/rsi_main.h @@ -204,6 +204,8 @@ struct rsi_common { struct cqm_info cqm_info; bool hw_data_qs_blocked; + + int tx_power; }; struct rsi_hw { diff --git a/drivers/net/wireless/rsi/rsi_mgmt.h b/drivers/net/wireless/rsi/rsi_mgmt.h index 2cf6542..72f7cfb 100644 --- a/drivers/net/wireless/rsi/rsi_mgmt.h +++ b/drivers/net/wireless/rsi/rsi_mgmt.h @@ -200,7 +200,8 @@ enum cmd_frame_type { BG_SCAN_PARAMS, BG_SCAN_PROBE_REQ, CW_MODE_REQ, - PER_CMD_PKT + PER_CMD_PKT, + RADIO_PARAMS_UPDATE = 0x29 }; struct rsi_mac_frame { @@ -324,4 +325,5 @@ int rsi_send_mgmt_pkt(struct rsi_common *common, struct sk_buff *skb); int rsi_send_data_pkt(struct rsi_common *common, struct sk_buff *skb); int rsi_band_check(struct rsi_common *common); int rsi_send_rx_filter_frame(struct rsi_common *common, u16 rx_filter_word); +int rsi_send_radio_params_update(struct rsi_common *common); #endif |
