nl80211: Add build option for QCA vendor extensions

This allows the binary sizes to be reduced if no support for nl80211
vendor extensions are needed.

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

hostapd/android.config

@@ -25,6 +25,9 @@
 #LIBS += -L$(LIBNL)/lib
 CONFIG_LIBNL20=y
 
+# QCA vendor extensions to nl80211
+CONFIG_DRIVER_NL80211_QCA=y
+
 # Driver interface for FreeBSD net80211 layer (e.g., Atheros driver)
 #CONFIG_DRIVER_BSD=y
 #CFLAGS += -I/usr/local/include

hostapd/defconfig

@@ -18,6 +18,9 @@ CONFIG_DRIVER_HOSTAP=y
 # Driver interface for drivers using the nl80211 kernel interface
 CONFIG_DRIVER_NL80211=y
 
+# QCA vendor extensions to nl80211
+#CONFIG_DRIVER_NL80211_QCA=y
+
 # driver_nl80211.c requires libnl. If you are compiling it yourself
 # you may need to point hostapd to your version of libnl.
 #

src/drivers/driver_nl80211.c

@@ -2468,6 +2468,7 @@ static int wpa_cipher_to_cipher_suites(unsigned int ciphers, u32 suites[],
 }
 
 
+#ifdef CONFIG_DRIVER_NL80211_QCA
 static int issue_key_mgmt_set_key(struct wpa_driver_nl80211_data *drv,
 				  const u8 *key, size_t key_len)
 {
@@ -2495,6 +2496,7 @@ static int issue_key_mgmt_set_key(struct wpa_driver_nl80211_data *drv,
 
 	return ret;
 }
+#endif /* CONFIG_DRIVER_NL80211_QCA */
 
 
 static int wpa_driver_nl80211_set_key(const char *ifname, struct i802_bss *bss,
@@ -2525,6 +2527,7 @@ static int wpa_driver_nl80211_set_key(const char *ifname, struct i802_bss *bss,
 	}
 #endif /* CONFIG_TDLS */
 
+#ifdef CONFIG_DRIVER_NL80211_QCA
 	if (alg == WPA_ALG_PMK &&
 	    (drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD)) {
 		wpa_printf(MSG_DEBUG, "%s: calling issue_key_mgmt_set_key",
@@ -2532,6 +2535,7 @@ static int wpa_driver_nl80211_set_key(const char *ifname, struct i802_bss *bss,
 		ret = issue_key_mgmt_set_key(drv, key, key_len);
 		return ret;
 	}
+#endif /* CONFIG_DRIVER_NL80211_QCA */
 
 	if (alg == WPA_ALG_NONE) {
 		msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_DEL_KEY);
@@ -4680,6 +4684,7 @@ static int wpa_driver_nl80211_try_connect(
 	int ret;
 	int algs;
 
+#ifdef CONFIG_DRIVER_NL80211_QCA
 	if (params->req_key_mgmt_offload && params->psk &&
 	    (params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
 	     params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
@@ -4689,6 +4694,7 @@ static int wpa_driver_nl80211_try_connect(
 		if (ret)
 			return ret;
 	}
+#endif /* CONFIG_DRIVER_NL80211_QCA */
 
 	wpa_printf(MSG_DEBUG, "nl80211: Connect (ifindex=%d)", drv->ifindex);
 	msg = nl80211_drv_msg(drv, 0, NL80211_CMD_CONNECT);
@@ -7224,6 +7230,7 @@ static int driver_nl80211_scan2(void *priv,
 				struct wpa_driver_scan_params *params)
 {
 	struct i802_bss *bss = priv;
+#ifdef CONFIG_DRIVER_NL80211_QCA
 	struct wpa_driver_nl80211_data *drv = bss->drv;
 
 	/*
@@ -7235,6 +7242,7 @@ static int driver_nl80211_scan2(void *priv,
 	 */
 	if (drv->scan_vendor_cmd_avail && !params->only_new_results)
 		return wpa_driver_nl80211_vendor_scan(bss, params);
+#endif /* CONFIG_DRIVER_NL80211_QCA */
 	return wpa_driver_nl80211_scan(bss, params);
 }
 
@@ -7871,6 +7879,7 @@ static int nl80211_set_wowlan(void *priv,
 }
 
 
+#ifdef CONFIG_DRIVER_NL80211_QCA
 static int nl80211_roaming(void *priv, int allowed, const u8 *bssid)
 {
 	struct i802_bss *bss = priv;
@@ -7903,6 +7912,7 @@ static int nl80211_roaming(void *priv, int allowed, const u8 *bssid)
 
 	return send_and_recv_msgs(drv, msg, NULL, NULL);
 }
+#endif /* CONFIG_DRIVER_NL80211_QCA */
 
 
 static int nl80211_set_mac_addr(void *priv, const u8 *addr)
@@ -8387,6 +8397,8 @@ set_val:
 }
 
 
+#ifdef CONFIG_DRIVER_NL80211_QCA
+
 static int hw_mode_to_qca_acs(enum hostapd_hw_mode hw_mode)
 {
 	switch (hw_mode) {
@@ -8710,6 +8722,8 @@ static int nl80211_set_prob_oper_freq(void *priv, unsigned int freq)
 	return 0;
 }
 
+#endif /* CONFIG_DRIVER_NL80211_QCA */
+
 
 const struct wpa_driver_ops wpa_driver_nl80211_ops = {
 	.name = "nl80211",
@@ -8804,7 +8818,9 @@ const struct wpa_driver_ops wpa_driver_nl80211_ops = {
 	.vendor_cmd = nl80211_vendor_cmd,
 	.set_qos_map = nl80211_set_qos_map,
 	.set_wowlan = nl80211_set_wowlan,
+#ifdef CONFIG_DRIVER_NL80211_QCA
 	.roaming = nl80211_roaming,
+#endif /* CONFIG_DRIVER_NL80211_QCA */
 	.set_mac_addr = nl80211_set_mac_addr,
 #ifdef CONFIG_MESH
 	.init_mesh = wpa_driver_nl80211_init_mesh,
@@ -8817,8 +8833,10 @@ const struct wpa_driver_ops wpa_driver_nl80211_ops = {
 	.br_set_net_param = wpa_driver_br_set_net_param,
 	.add_tx_ts = nl80211_add_ts,
 	.del_tx_ts = nl80211_del_ts,
+#ifdef CONFIG_DRIVER_NL80211_QCA
 	.do_acs = wpa_driver_do_acs,
 	.set_band = nl80211_set_band,
 	.get_pref_freq_list = nl80211_get_pref_freq_list,
 	.set_prob_oper_freq = nl80211_set_prob_oper_freq,
+#endif /* CONFIG_DRIVER_NL80211_QCA */
 };

src/drivers/driver_nl80211_capa.c

@@ -580,6 +580,7 @@ static int wiphy_info_handler(struct nl_msg *msg, void *arg)
 				case QCA_NL80211_VENDOR_SUBCMD_TEST:
 					drv->vendor_cmd_test_avail = 1;
 					break;
+#ifdef CONFIG_DRIVER_NL80211_QCA
 				case QCA_NL80211_VENDOR_SUBCMD_ROAMING:
 					drv->roaming_vendor_cmd_avail = 1;
 					break;
@@ -605,6 +606,7 @@ static int wiphy_info_handler(struct nl_msg *msg, void *arg)
 				case QCA_NL80211_VENDOR_SUBCMD_TRIGGER_SCAN:
 					drv->scan_vendor_cmd_avail = 1;
 					break;
+#endif /* CONFIG_DRIVER_NL80211_QCA */
 				}
 			}
 
@@ -705,6 +707,8 @@ static int wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data *drv,
 }
 
 
+#ifdef CONFIG_DRIVER_NL80211_QCA
+
 static int dfs_info_handler(struct nl_msg *msg, void *arg)
 {
 	struct nlattr *tb[NL80211_ATTR_MAX + 1];
@@ -849,6 +853,8 @@ static void qca_nl80211_get_features(struct wpa_driver_nl80211_data *drv)
 		drv->capa.flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS;
 }
 
+#endif /* CONFIG_DRIVER_NL80211_QCA */
+
 
 int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv)
 {
@@ -929,6 +935,7 @@ int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv)
 	if (!drv->use_monitor && !info.data_tx_status)
 		drv->capa.flags &= ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
 
+#ifdef CONFIG_DRIVER_NL80211_QCA
 	qca_nl80211_check_dfs_capa(drv);
 	qca_nl80211_get_features(drv);
 
@@ -941,6 +948,7 @@ int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv)
 	 */
 	if (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX))
 		drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS;
+#endif /* CONFIG_DRIVER_NL80211_QCA */
 
 	return 0;
 }

src/drivers/driver_nl80211_event.c

@@ -1446,6 +1446,8 @@ static void nl80211_spurious_frame(struct i802_bss *bss, struct nlattr **tb,
 }
 
 
+#ifdef CONFIG_DRIVER_NL80211_QCA
+
 static void qca_nl80211_avoid_freq(struct wpa_driver_nl80211_data *drv,
 				   const u8 *data, size_t len)
 {
@@ -1819,6 +1821,8 @@ static void qca_nl80211_scan_done_event(struct wpa_driver_nl80211_data *drv,
 			       external_scan);
 }
 
+#endif /* CONFIG_DRIVER_NL80211_QCA */
+
 
 static void nl80211_vendor_event_qca(struct wpa_driver_nl80211_data *drv,
 				     u32 subcmd, u8 *data, size_t len)
@@ -1827,6 +1831,7 @@ static void nl80211_vendor_event_qca(struct wpa_driver_nl80211_data *drv,
 	case QCA_NL80211_VENDOR_SUBCMD_TEST:
 		wpa_hexdump(MSG_DEBUG, "nl80211: QCA test event", data, len);
 		break;
+#ifdef CONFIG_DRIVER_NL80211_QCA
 	case QCA_NL80211_VENDOR_SUBCMD_AVOID_FREQUENCY:
 		qca_nl80211_avoid_freq(drv, data, len);
 		break;
@@ -1849,6 +1854,7 @@ static void nl80211_vendor_event_qca(struct wpa_driver_nl80211_data *drv,
 	case QCA_NL80211_VENDOR_SUBCMD_SCAN_DONE:
 		qca_nl80211_scan_done_event(drv, data, len);
 		break;
+#endif /* CONFIG_DRIVER_NL80211_QCA */
 	default:
 		wpa_printf(MSG_DEBUG,
 			   "nl80211: Ignore unsupported QCA vendor event %u",

src/drivers/driver_nl80211_scan.c

@@ -785,6 +785,8 @@ void nl80211_dump_scan(struct wpa_driver_nl80211_data *drv)
 }
 
 
+#ifdef CONFIG_DRIVER_NL80211_QCA
+
 static int scan_cookie_handler(struct nl_msg *msg, void *arg)
 {
 	struct nlattr *tb[NL80211_ATTR_MAX + 1];
@@ -970,3 +972,5 @@ fail:
 	nlmsg_free(msg);
 	return ret;
 }
+
+#endif /* CONFIG_DRIVER_NL80211_QCA */

src/drivers/drivers.mak

@@ -30,6 +30,9 @@ DRV_OBJS += ../src/drivers/driver_nl80211_event.o
 DRV_OBJS += ../src/drivers/driver_nl80211_monitor.o
 DRV_OBJS += ../src/drivers/driver_nl80211_scan.o
 DRV_OBJS += ../src/utils/radiotap.o
+ifdef CONFIG_DRIVER_NL80211_QCA
+DRV_CFLAGS += -DCONFIG_DRIVER_NL80211_QCA
+endif
 NEED_SME=y
 NEED_AP_MLME=y
 NEED_NETLINK=y

src/drivers/drivers.mk

@@ -26,6 +26,9 @@ DRV_OBJS += src/drivers/driver_nl80211_event.c
 DRV_OBJS += src/drivers/driver_nl80211_monitor.c
 DRV_OBJS += src/drivers/driver_nl80211_scan.c
 DRV_OBJS += src/utils/radiotap.c
+ifdef CONFIG_DRIVER_NL80211_QCA
+DRV_CFLAGS += -DCONFIG_DRIVER_NL80211_QCA
+endif
 NEED_SME=y
 NEED_AP_MLME=y
 NEED_NETLINK=y

wpa_supplicant/android.config

@@ -32,6 +32,9 @@
 #CONFIG_DRIVER_NL80211=y
 CONFIG_LIBNL20=y
 
+# QCA vendor extensions to nl80211
+CONFIG_DRIVER_NL80211_QCA=y
+
 # Driver interface for FreeBSD net80211 layer (e.g., Atheros driver)
 #CONFIG_DRIVER_BSD=y
 #CFLAGS += -I/usr/local/include

wpa_supplicant/defconfig

@@ -31,6 +31,9 @@ CONFIG_DRIVER_WEXT=y
 # Driver interface for Linux drivers using the nl80211 kernel interface
 CONFIG_DRIVER_NL80211=y
 
+# QCA vendor extensions to nl80211
+#CONFIG_DRIVER_NL80211_QCA=y
+
 # driver_nl80211.c requires libnl. If you are compiling it yourself
 # you may need to point hostapd to your version of libnl.
 #