nl80211: Add concurrency capabilities to driver status

Extend the nl80211 interface command "driver status" to retrieve the
concurrency capabilities from the driver using the QCA vendor
extensions.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>

src/drivers/driver.h

@@ -1297,6 +1297,13 @@ struct wpa_driver_capa {
  */
 #define WPA_DRIVER_FLAGS_TX_POWER_INSERTION		0x00000008
 	u32 rrm_flags;
+
+	/* Driver concurrency capabilities */
+	unsigned int conc_capab;
+	/* Maximum number of concurrent channels on 2.4 GHz */
+	unsigned int max_conc_chan_2_4;
+	/* Maximum number of concurrent channels on 5 GHz */
+	unsigned int max_conc_chan_5_0;
 };
 
 

src/drivers/driver_nl80211.c

@@ -7488,7 +7488,10 @@ static int wpa_driver_nl80211_status(void *priv, char *buf, size_t buflen)
 				  "capa.max_acl_mac_addrs=%u\n"
 				  "capa.num_multichan_concurrent=%u\n"
 				  "capa.mac_addr_rand_sched_scan_supported=%d\n"
-				  "capa.mac_addr_rand_scan_supported=%d\n",
+				  "capa.mac_addr_rand_scan_supported=%d\n"
+				  "capa.conc_capab=%u\n"
+				  "capa.max_conc_chan_2_4=%u\n"
+				  "capa.max_conc_chan_5_0=%u\n",
 				  drv->capa.key_mgmt,
 				  drv->capa.enc,
 				  drv->capa.auth,
@@ -7504,7 +7507,10 @@ static int wpa_driver_nl80211_status(void *priv, char *buf, size_t buflen)
 				  drv->capa.max_acl_mac_addrs,
 				  drv->capa.num_multichan_concurrent,
 				  drv->capa.mac_addr_rand_sched_scan_supported,
-				  drv->capa.mac_addr_rand_scan_supported);
+				  drv->capa.mac_addr_rand_scan_supported,
+				  drv->capa.conc_capab,
+				  drv->capa.max_conc_chan_2_4,
+				  drv->capa.max_conc_chan_5_0);
 		if (os_snprintf_error(end - pos, res))
 			return pos - buf;
 		pos += res;

src/drivers/driver_nl80211_capa.c

@@ -751,6 +751,7 @@ static void qca_nl80211_check_dfs_capa(struct wpa_driver_nl80211_data *drv)
 struct features_info {
 	u8 *flags;
 	size_t flags_len;
+	struct wpa_driver_capa *capa;
 };
 
 
@@ -776,6 +777,19 @@ static int features_info_handler(struct nl_msg *msg, void *arg)
 			info->flags = nla_data(attr);
 			info->flags_len = nla_len(attr);
 		}
+		attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_CONCURRENCY_CAPA];
+		if (attr)
+			info->capa->conc_capab = nla_get_u32(attr);
+
+		attr = tb_vendor[
+			QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_2_4_BAND];
+		if (attr)
+			info->capa->max_conc_chan_2_4 = nla_get_u32(attr);
+
+		attr = tb_vendor[
+			QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_5_0_BAND];
+		if (attr)
+			info->capa->max_conc_chan_5_0 = nla_get_u32(attr);
 	}
 
 	return NL_SKIP;
@@ -810,6 +824,7 @@ static void qca_nl80211_get_features(struct wpa_driver_nl80211_data *drv)
 	}
 
 	os_memset(&info, 0, sizeof(info));
+	info.capa = &drv->capa;
 	ret = send_and_recv_msgs(drv, msg, features_info_handler, &info);
 	if (ret || !info.flags)
 		return;