[PATCH] Add 'signal_poll' command interface

[Dmitry Shmidt]

Signed-off-by: Dmitry Shmidt <dimitrysh at google.com>
---
 wpa_supplicant/ctrl_iface.c |   20 ++++++++++++++++++++
 wpa_supplicant/wpa_cli.c    |   10 ++++++++++
 2 files changed, 30 insertions(+), 0 deletions(-)

diff --git a/wpa_supplicant/ctrl_iface.c b/wpa_supplicant/ctrl_iface.c
index d5a74eb..4f3f7e0 100644
--- a/wpa_supplicant/ctrl_iface.c
+++ b/wpa_supplicant/ctrl_iface.c
@@ -2859,6 +2859,23 @@ static int wpa_supplicant_ctrl_iface_sta_autoconnect(
 }


+static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
+				      size_t buflen)
+{
+	struct wpa_signal_info si;
+	int ret;
+
+	ret = wpa_drv_signal_poll(wpa_s, &si);
+	if (!ret)
+		ret = os_snprintf(buf, buflen, "RSSI=%d\nLINKSPEED=%d\n"
+				  "NOISE=%d\nFREQUENCY=%u\nTHRESHOLD=%d\n",
+				  si.current_signal, si.current_txrate / 1000,
+				  si.current_noise, si.frequency,
+				  si.above_threshold);
+	return ret;
+}
+
+
 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
 				     char *buf, size_t buflen)
 {
@@ -3251,6 +3268,9 @@ char * wpa_supplicant_ctrl_iface_process(struct
wpa_supplicant *wpa_s,
 		if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
 			reply_len = -1;
 #endif /* CONFIG_TDLS */
+	} else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
+		reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
+						       reply_size);
 	} else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
 		reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
 						      reply_size);
diff --git a/wpa_supplicant/wpa_cli.c b/wpa_supplicant/wpa_cli.c
index e422402..9c72042 100644
--- a/wpa_supplicant/wpa_cli.c
+++ b/wpa_supplicant/wpa_cli.c
@@ -2273,6 +2273,13 @@ static int wpa_cli_cmd_tdls_teardown(struct
wpa_ctrl *ctrl, int argc,
 }


+static int wpa_cli_cmd_signal_poll(struct wpa_ctrl *ctrl, int argc,
+				   char *argv[])
+{
+	return wpa_ctrl_command(ctrl, "SIGNAL_POLL");
+}
+
+
 enum wpa_cli_cmd_flags {
 	cli_cmd_flag_none		= 0x00,
 	cli_cmd_flag_sensitive		= 0x01
@@ -2585,6 +2592,9 @@ static struct wpa_cli_cmd wpa_cli_commands[] = {
 	{ "tdls_teardown", wpa_cli_cmd_tdls_teardown,
 	  cli_cmd_flag_none,
 	  "<addr> = tear down TDLS with <addr>" },
+	{ "signal_poll", wpa_cli_cmd_signal_poll,
+	  cli_cmd_flag_none,
+	  "= get signal parameters" },
 	{ NULL, NULL, cli_cmd_flag_none, NULL }
 };

-- 
1.7.3.1