From 8b36de8cf5abc114594cf3bbd3a1b6701bf1e1a9 Mon Sep 17 00:00:00 2001 From: Prameela Rani Garnepudi Date: Fri, 18 Nov 2016 16:08:04 +0530 Subject: rsi: Add support for configuring tx power TX power can be configured from iwconfig, iw or from mac80211 when regulatory changes are done. Hence support for configuring tx power to device is added using the RADIO_PARAMS_UPDATE command frame. Signed-off-by: Prameela Rani Garnepudi Signed-off-by: Kalle Valo --- drivers/net/wireless/rsi/rsi_91x_mgmt.c | 37 +++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) (limited to 'drivers/net/wireless/rsi/rsi_91x_mgmt.c') diff --git a/drivers/net/wireless/rsi/rsi_91x_mgmt.c b/drivers/net/wireless/rsi/rsi_91x_mgmt.c index 631cdb13c336..99c25607d840 100644 --- a/drivers/net/wireless/rsi/rsi_91x_mgmt.c +++ b/drivers/net/wireless/rsi/rsi_91x_mgmt.c @@ -952,6 +952,43 @@ int rsi_set_channel(struct rsi_common *common, u16 channel) return rsi_send_internal_mgmt_frame(common, skb); } +/** + * 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 -- cgit v1.2.1