diff options
| author | Prameela Rani Garnepudi <prameela.j04cs@gmail.com> | 2016-11-18 13:38:22 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2016-11-25 12:47:35 +0300 |
| commit | 4edbcd1aa7833e2ccc4933adab3767e3cd2e805e (patch) | |
| tree | 48425f4b3bcbba91547b6b50c311d5996ce93037 /drivers/net/wireless/rsi/rsi_91x_mgmt.c | |
| parent | 8b36de8cf5abc114594cf3bbd3a1b6701bf1e1a9 (diff) | |
| download | linux-4edbcd1aa7833e2ccc4933adab3767e3cd2e805e.tar.xz | |
rsi: Add support for antenna selection
RSI 9113 device supports single antenna for tx and rx. Support for using
external is added. This can be configured from user space using iw.
Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/rsi/rsi_91x_mgmt.c')
| -rw-r--r-- | drivers/net/wireless/rsi/rsi_91x_mgmt.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/net/wireless/rsi/rsi_91x_mgmt.c b/drivers/net/wireless/rsi/rsi_91x_mgmt.c index 99c25607d840..985ef2a98e71 100644 --- a/drivers/net/wireless/rsi/rsi_91x_mgmt.c +++ b/drivers/net/wireless/rsi/rsi_91x_mgmt.c @@ -1315,6 +1315,39 @@ int rsi_send_rx_filter_frame(struct rsi_common *common, u16 rx_filter_word) } /** + * rsi_set_antenna() - This fuction send antenna configuration request + * to device + * + * @common: Pointer to the driver private structure. + * @antenna: bitmap for tx antenna selection + * + * Return: 0 on Success, negative error code on failure + */ +int rsi_set_antenna(struct rsi_common *common, u8 antenna) +{ + struct rsi_mac_frame *cmd_frame; + struct sk_buff *skb; + + 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[1] = cpu_to_le16(ANT_SEL_FRAME); + cmd_frame->desc_word[3] = cpu_to_le16(antenna & 0x00ff); + cmd_frame->desc_word[0] = cpu_to_le16(RSI_WIFI_MGMT_Q << 12); + + skb_put(skb, FRAME_DESC_SZ); + + return rsi_send_internal_mgmt_frame(common, skb); +} + +/** * rsi_handle_ta_confirm_type() - This function handles the confirm frames. * @common: Pointer to the driver private structure. * @msg: Pointer to received packet. |