Implement wifi_qsap_set_tx_power

Used by radio proprietary binaries from Motorola.

Change-Id: I9fd49cbba6001a4c7ddadf5cb88df06d6146f01a

softap/sdk/qsap.c

@@ -713,3 +713,45 @@ int qsap_is_fst_enabled()
 {
     return is_fst_enabled();
 }
+
+s32 wifi_qsap_set_tx_power(s32 tx_power)
+{
+#define QCSAP_IOCTL_SET_MAX_TX_POWER   (SIOCIWFIRSTPRIV + 22)
+    s32 sock;
+    s32 ret = eERR_SET_TX_POWER;
+    s8  interface[128];
+    s8  *iface;
+    s32 len = 128;
+    struct iwreq wrq;
+
+    if(NULL == (iface = qsap_get_config_value(CONFIG_FILE, &qsap_str[STR_INTERFACE], interface, (u32*)&len))) {
+        ALOGE("%s :interface error \n", __func__);
+        return ret;
+    }
+
+    /* Issue QCSAP_IOCTL_SET_MAX_TX_POWER ioctl */
+    sock = socket(AF_INET, SOCK_DGRAM, 0);
+
+    if (sock < 0) {
+        ALOGE("%s :socket error \n", __func__);
+        return eERR_SET_TX_POWER;
+    }
+
+    strlcpy(wrq.ifr_name, iface, sizeof(wrq.ifr_name));
+    wrq.u.data.length = sizeof(s32);
+    wrq.u.data.pointer = &tx_power;
+    wrq.u.data.flags = 0;
+
+    ret = ioctl(sock, QCSAP_IOCTL_SET_MAX_TX_POWER, &wrq);
+    close(sock);
+
+    if (ret) {
+        ALOGE("%s :IOCTL set tx power failed: %ld\n", __func__, ret);
+        ret = eERR_SET_TX_POWER;
+    } else {
+        ALOGD("%s :IOCTL set tx power issued\n", __func__);
+        ret = eSUCCESS;
+    }
+
+    return ret;
+}

softap/sdk/qsap.h

@@ -54,6 +54,8 @@ s32 wifi_qsap_start_softap_in_concurrency(void);
 s32 wifi_qsap_stop_softap_in_concurrency(void);
 #endif
 
+s32 wifi_qsap_set_tx_power(s32);
+
 #if __cplusplus
 };  // extern "C"
 #endif

softap/sdk/qsap_api.h

@@ -77,7 +77,8 @@ enum error_val {
     eERR_LOAD_FAILED_SDIOIF,
     eERR_LOAD_FAILED_SOFTAP,
     eERR_SET_CHAN_RANGE,
-    eERR_GET_AUTO_CHAN
+    eERR_GET_AUTO_CHAN,
+    eERR_SET_TX_POWER
 };
 
 #ifndef WIFI_DRIVER_CONF_FILE