[PATCH 09/44] vlan: factor out bridge and ifconfig code

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From: Michael Braun <michael-dev@xxxxxxxxxxxxx>

This can be reused by 802.11r and RSN pre-auth.

Signed-off-by: Michael Braun <michael-dev@xxxxxxxxxxxxx>
---
 hostapd/Makefile   |  13 +++
 src/ap/bridge.c    | 253 +++++++++++++++++++++++++++++++++++++++++++++
 src/ap/bridge.h    |  19 ++++
 src/ap/ifconfig.c  |  73 +++++++++++++
 src/ap/ifconfig.h  |   5 +
 src/ap/vlan_init.c | 296 ++---------------------------------------------------
 6 files changed, 370 insertions(+), 289 deletions(-)
 create mode 100644 src/ap/bridge.c
 create mode 100644 src/ap/bridge.h
 create mode 100644 src/ap/ifconfig.c
 create mode 100644 src/ap/ifconfig.h

diff --git a/hostapd/Makefile b/hostapd/Makefile
index 62f3b32..1c1e98f 100644
--- a/hostapd/Makefile
+++ b/hostapd/Makefile
@@ -190,6 +190,19 @@ else
 OBJS += ../src/ap/accounting.o
 endif
 
+ifndef CONFIG_NO_VLAN
+NEED_BRIDGE=y
+NEED_IFCONFIG=y
+endif
+
+ifdef NEED_BRIDGE
+OBJS += ../src/ap/bridge.o
+endif
+
+ifdef NEED_IFCONFIG
+OBJS += ../src/ap/ifconfig.o
+endif
+
 ifdef CONFIG_NO_VLAN
 CFLAGS += -DCONFIG_NO_VLAN
 else
diff --git a/src/ap/bridge.c b/src/ap/bridge.c
new file mode 100644
index 0000000..42d4eb1
--- /dev/null
+++ b/src/ap/bridge.c
@@ -0,0 +1,253 @@
+/*
+ * hostapd / bridge initialization
+ * Copyright 2003, Instant802 Networks, Inc.
+ * Copyright 2005-2006, Devicescape Software, Inc.
+ * Copyright (c) 2009, Jouni Malinen <j@xxxxx>
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#include "utils/includes.h"
+
+#include "utils/common.h"
+#include <net/if.h>
+#include <sys/ioctl.h>
+#include <linux/sockios.h>
+#include <linux/if_vlan.h>
+#include <linux/if_bridge.h>
+
+/* This value should be 256 ONLY. If it is something else, then hostapd
+ * might crash!, as this value has been hard-coded in 2.4.x kernel
+ * bridging code.
+ */
+#define MAX_BR_PORTS 256
+
+int br_delif(const char *br_name, const char *if_name)
+{
+	int fd;
+	struct ifreq ifr;
+	unsigned long args[2];
+	int if_index;
+
+	wpa_printf(MSG_DEBUG, "VLAN: br_delif(%s, %s)", br_name, if_name);
+	if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
+		wpa_printf(MSG_ERROR, "VLAN: %s: socket(AF_INET,SOCK_STREAM) "
+			   "failed: %s", __func__, strerror(errno));
+		return -1;
+	}
+
+	if_index = if_nametoindex(if_name);
+
+	if (if_index == 0) {
+		wpa_printf(MSG_ERROR, "VLAN: %s: Failure determining "
+			   "interface index for '%s'",
+			   __func__, if_name);
+		close(fd);
+		return -1;
+	}
+
+	args[0] = BRCTL_DEL_IF;
+	args[1] = if_index;
+
+	os_strlcpy(ifr.ifr_name, br_name, sizeof(ifr.ifr_name));
+	ifr.ifr_data = (__caddr_t) args;
+
+	if (ioctl(fd, SIOCDEVPRIVATE, &ifr) < 0 && errno != EINVAL) {
+		/* No error if interface already removed. */
+		wpa_printf(MSG_ERROR, "VLAN: %s: ioctl[SIOCDEVPRIVATE,"
+			   "BRCTL_DEL_IF] failed for br_name=%s if_name=%s: "
+			   "%s", __func__, br_name, if_name, strerror(errno));
+		close(fd);
+		return -1;
+	}
+
+	close(fd);
+	return 0;
+}
+
+
+/*
+	Add interface 'if_name' to the bridge 'br_name'
+
+	returns -1 on error
+	returns 1 if the interface is already part of the bridge
+	returns 0 otherwise
+*/
+int br_addif(const char *br_name, const char *if_name)
+{
+	int fd;
+	struct ifreq ifr;
+	unsigned long args[2];
+	int if_index;
+
+	wpa_printf(MSG_DEBUG, "VLAN: br_addif(%s, %s)", br_name, if_name);
+	if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
+		wpa_printf(MSG_ERROR, "VLAN: %s: socket(AF_INET,SOCK_STREAM) "
+			   "failed: %s", __func__, strerror(errno));
+		return -1;
+	}
+
+	if_index = if_nametoindex(if_name);
+
+	if (if_index == 0) {
+		wpa_printf(MSG_ERROR, "VLAN: %s: Failure determining "
+			   "interface index for '%s'",
+			   __func__, if_name);
+		close(fd);
+		return -1;
+	}
+
+	args[0] = BRCTL_ADD_IF;
+	args[1] = if_index;
+
+	os_strlcpy(ifr.ifr_name, br_name, sizeof(ifr.ifr_name));
+	ifr.ifr_data = (__caddr_t) args;
+
+	if (ioctl(fd, SIOCDEVPRIVATE, &ifr) < 0) {
+		if (errno == EBUSY) {
+			/* The interface is already added. */
+			close(fd);
+			return 1;
+		}
+
+		wpa_printf(MSG_ERROR, "VLAN: %s: ioctl[SIOCDEVPRIVATE,"
+			   "BRCTL_ADD_IF] failed for br_name=%s if_name=%s: "
+			   "%s", __func__, br_name, if_name, strerror(errno));
+		close(fd);
+		return -1;
+	}
+
+	close(fd);
+	return 0;
+}
+
+
+int br_delbr(const char *br_name)
+{
+	int fd;
+	unsigned long arg[2];
+
+	wpa_printf(MSG_DEBUG, "VLAN: br_delbr(%s)", br_name);
+	if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
+		wpa_printf(MSG_ERROR, "VLAN: %s: socket(AF_INET,SOCK_STREAM) "
+			   "failed: %s", __func__, strerror(errno));
+		return -1;
+	}
+
+	arg[0] = BRCTL_DEL_BRIDGE;
+	arg[1] = (unsigned long) br_name;
+
+	if (ioctl(fd, SIOCGIFBR, arg) < 0 && errno != ENXIO) {
+		/* No error if bridge already removed. */
+		wpa_printf(MSG_ERROR, "VLAN: %s: BRCTL_DEL_BRIDGE failed for "
+			   "%s: %s", __func__, br_name, strerror(errno));
+		close(fd);
+		return -1;
+	}
+
+	close(fd);
+	return 0;
+}
+
+
+/*
+	Add a bridge with the name 'br_name'.
+
+	returns -1 on error
+	returns 1 if the bridge already exists
+	returns 0 otherwise
+*/
+int br_addbr(const char *br_name)
+{
+	int fd;
+	unsigned long arg[4];
+	struct ifreq ifr;
+
+	wpa_printf(MSG_DEBUG, "VLAN: br_addbr(%s)", br_name);
+	if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
+		wpa_printf(MSG_ERROR, "VLAN: %s: socket(AF_INET,SOCK_STREAM) "
+			   "failed: %s", __func__, strerror(errno));
+		return -1;
+	}
+
+	arg[0] = BRCTL_ADD_BRIDGE;
+	arg[1] = (unsigned long) br_name;
+
+	if (ioctl(fd, SIOCGIFBR, arg) < 0) {
+		if (errno == EEXIST) {
+			/* The bridge is already added. */
+			close(fd);
+			return 1;
+		} else {
+			wpa_printf(MSG_ERROR, "VLAN: %s: BRCTL_ADD_BRIDGE "
+				   "failed for %s: %s",
+				   __func__, br_name, strerror(errno));
+			close(fd);
+			return -1;
+		}
+	}
+
+	/* Decrease forwarding delay to avoid EAPOL timeouts. */
+	os_memset(&ifr, 0, sizeof(ifr));
+	os_strlcpy(ifr.ifr_name, br_name, IFNAMSIZ);
+	arg[0] = BRCTL_SET_BRIDGE_FORWARD_DELAY;
+	arg[1] = 1;
+	arg[2] = 0;
+	arg[3] = 0;
+	ifr.ifr_data = (char *) &arg;
+	if (ioctl(fd, SIOCDEVPRIVATE, &ifr) < 0) {
+		wpa_printf(MSG_ERROR, "VLAN: %s: "
+			   "BRCTL_SET_BRIDGE_FORWARD_DELAY (1 sec) failed for "
+			   "%s: %s", __func__, br_name, strerror(errno));
+		/* Continue anyway */
+	}
+
+	close(fd);
+	return 0;
+}
+
+
+int br_getnumports(const char *br_name)
+{
+	int fd;
+	int i;
+	int port_cnt = 0;
+	unsigned long arg[4];
+	int ifindices[MAX_BR_PORTS];
+	struct ifreq ifr;
+
+	if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
+		wpa_printf(MSG_ERROR, "VLAN: %s: socket(AF_INET,SOCK_STREAM) "
+			   "failed: %s", __func__, strerror(errno));
+		return -1;
+	}
+
+	arg[0] = BRCTL_GET_PORT_LIST;
+	arg[1] = (unsigned long) ifindices;
+	arg[2] = MAX_BR_PORTS;
+	arg[3] = 0;
+
+	os_memset(ifindices, 0, sizeof(ifindices));
+	os_strlcpy(ifr.ifr_name, br_name, sizeof(ifr.ifr_name));
+	ifr.ifr_data = (__caddr_t) arg;
+
+	if (ioctl(fd, SIOCDEVPRIVATE, &ifr) < 0) {
+		wpa_printf(MSG_ERROR, "VLAN: %s: BRCTL_GET_PORT_LIST "
+			   "failed for %s: %s",
+			   __func__, br_name, strerror(errno));
+		close(fd);
+		return -1;
+	}
+
+	for (i = 1; i < MAX_BR_PORTS; i++) {
+		if (ifindices[i] > 0) {
+			port_cnt++;
+		}
+	}
+
+	close(fd);
+	return port_cnt;
+}
+
+
diff --git a/src/ap/bridge.h b/src/ap/bridge.h
new file mode 100644
index 0000000..0aaaa54
--- /dev/null
+++ b/src/ap/bridge.h
@@ -0,0 +1,19 @@
+/*
+ * hostapd / bridge initialization
+ * Copyright 2003, Instant802 Networks, Inc.
+ * Copyright 2005-2006, Devicescape Software, Inc.
+ * Copyright (c) 2009, Jouni Malinen <j@xxxxx>
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#ifndef HOSTAPD_BRIDGE_H
+#define HOSTAPD_BRIDGE_H
+int br_delif(const char *br_name, const char *if_name);
+int br_addif(const char *br_name, const char *if_name);
+int br_delbr(const char *br_name);
+int br_addbr(const char *br_name);
+int br_getnumports(const char *br_name);
+#endif /* HOSTAPD_BRIDGE_H */
+
diff --git a/src/ap/ifconfig.c b/src/ap/ifconfig.c
new file mode 100644
index 0000000..bef6e83
--- /dev/null
+++ b/src/ap/ifconfig.c
@@ -0,0 +1,73 @@
+/*
+ * hostapd / VLAN initialization
+ * Copyright 2003, Instant802 Networks, Inc.
+ * Copyright 2005-2006, Devicescape Software, Inc.
+ * Copyright (c) 2009, Jouni Malinen <j@xxxxx>
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#include "utils/includes.h"
+
+#include "utils/common.h"
+
+#include <net/if.h>
+#include <sys/ioctl.h>
+#include <linux/sockios.h>
+
+
+static int ifconfig_helper(const char *if_name, int up)
+{
+	int fd;
+	struct ifreq ifr;
+
+	if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
+		wpa_printf(MSG_ERROR, "VLAN: %s: socket(AF_INET,SOCK_STREAM) "
+			   "failed: %s", __func__, strerror(errno));
+		return -1;
+	}
+
+	os_memset(&ifr, 0, sizeof(ifr));
+	os_strlcpy(ifr.ifr_name, if_name, IFNAMSIZ);
+
+	if (ioctl(fd, SIOCGIFFLAGS, &ifr) != 0) {
+		wpa_printf(MSG_ERROR, "VLAN: %s: ioctl(SIOCGIFFLAGS) failed "
+			   "for interface %s: %s",
+			   __func__, if_name, strerror(errno));
+		close(fd);
+		return -1;
+	}
+
+	if (up)
+		ifr.ifr_flags |= IFF_UP;
+	else
+		ifr.ifr_flags &= ~IFF_UP;
+
+	if (ioctl(fd, SIOCSIFFLAGS, &ifr) != 0) {
+		wpa_printf(MSG_ERROR, "VLAN: %s: ioctl(SIOCSIFFLAGS) failed "
+			   "for interface %s (up=%d): %s",
+			   __func__, if_name, up, strerror(errno));
+		close(fd);
+		return -1;
+	}
+
+	close(fd);
+	return 0;
+}
+
+
+int ifconfig_up(const char *if_name)
+{
+	wpa_printf(MSG_DEBUG, "VLAN: Set interface %s up", if_name);
+	return ifconfig_helper(if_name, 1);
+}
+
+
+int ifconfig_down(const char *if_name)
+{
+	wpa_printf(MSG_DEBUG, "VLAN: Set interface %s down", if_name);
+	return ifconfig_helper(if_name, 0);
+}
+
+
diff --git a/src/ap/ifconfig.h b/src/ap/ifconfig.h
new file mode 100644
index 0000000..276f0978
--- /dev/null
+++ b/src/ap/ifconfig.h
@@ -0,0 +1,5 @@
+#ifndef HOSTAPD_IFCONFIG_H
+#define HOSTAPD_IFCONFIG_H
+int ifconfig_up(const char *if_name);
+int ifconfig_down(const char *if_name);
+#endif
diff --git a/src/ap/vlan_init.c b/src/ap/vlan_init.c
index 8eab6cb..becf1dc 100644
--- a/src/ap/vlan_init.c
+++ b/src/ap/vlan_init.c
@@ -29,6 +29,13 @@
 
 #ifdef CONFIG_FULL_DYNAMIC_VLAN
 
+#include <net/if.h>
+#include <sys/ioctl.h>
+#include <linux/sockios.h>
+#include <linux/if_vlan.h>
+#include "bridge.h"
+#include "ifconfig.h"
+
 #include "drivers/priv_netlink.h"
 #include "utils/eloop.h"
 
@@ -124,53 +131,6 @@ static int dyn_iface_put(struct hostapd_data *hapd, const char *ifname)
 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
 
 
-static int ifconfig_helper(const char *if_name, int up)
-{
-	int fd;
-	struct ifreq ifr;
-
-	if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
-		wpa_printf(MSG_ERROR, "VLAN: %s: socket(AF_INET,SOCK_STREAM) "
-			   "failed: %s", __func__, strerror(errno));
-		return -1;
-	}
-
-	os_memset(&ifr, 0, sizeof(ifr));
-	os_strlcpy(ifr.ifr_name, if_name, IFNAMSIZ);
-
-	if (ioctl(fd, SIOCGIFFLAGS, &ifr) != 0) {
-		wpa_printf(MSG_ERROR, "VLAN: %s: ioctl(SIOCGIFFLAGS) failed "
-			   "for interface %s: %s",
-			   __func__, if_name, strerror(errno));
-		close(fd);
-		return -1;
-	}
-
-	if (up)
-		ifr.ifr_flags |= IFF_UP;
-	else
-		ifr.ifr_flags &= ~IFF_UP;
-
-	if (ioctl(fd, SIOCSIFFLAGS, &ifr) != 0) {
-		wpa_printf(MSG_ERROR, "VLAN: %s: ioctl(SIOCSIFFLAGS) failed "
-			   "for interface %s (up=%d): %s",
-			   __func__, if_name, up, strerror(errno));
-		close(fd);
-		return -1;
-	}
-
-	close(fd);
-	return 0;
-}
-
-
-static int ifconfig_up(const char *if_name)
-{
-	wpa_printf(MSG_DEBUG, "VLAN: Set interface %s up", if_name);
-	return ifconfig_helper(if_name, 1);
-}
-
-
 static int vlan_if_add(struct hostapd_data *hapd, struct hostapd_vlan *vlan,
 		       int existsok)
 {
@@ -231,14 +191,6 @@ static int vlan_if_remove(struct hostapd_data *hapd, struct hostapd_vlan *vlan)
 
 
 #ifdef CONFIG_FULL_DYNAMIC_VLAN
-
-static int ifconfig_down(const char *if_name)
-{
-	wpa_printf(MSG_DEBUG, "VLAN: Set interface %s down", if_name);
-	return ifconfig_helper(if_name, 0);
-}
-
-
 /*
  * These are only available in recent linux headers (without the leading
  * underscore).
@@ -246,240 +198,6 @@ static int ifconfig_down(const char *if_name)
 #define _GET_VLAN_REALDEV_NAME_CMD	8
 #define _GET_VLAN_VID_CMD		9
 
-/* This value should be 256 ONLY. If it is something else, then hostapd
- * might crash!, as this value has been hard-coded in 2.4.x kernel
- * bridging code.
- */
-#define MAX_BR_PORTS      		256
-
-static int br_delif(const char *br_name, const char *if_name)
-{
-	int fd;
-	struct ifreq ifr;
-	unsigned long args[2];
-	int if_index;
-
-	wpa_printf(MSG_DEBUG, "VLAN: br_delif(%s, %s)", br_name, if_name);
-	if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
-		wpa_printf(MSG_ERROR, "VLAN: %s: socket(AF_INET,SOCK_STREAM) "
-			   "failed: %s", __func__, strerror(errno));
-		return -1;
-	}
-
-	if_index = if_nametoindex(if_name);
-
-	if (if_index == 0) {
-		wpa_printf(MSG_ERROR, "VLAN: %s: Failure determining "
-			   "interface index for '%s'",
-			   __func__, if_name);
-		close(fd);
-		return -1;
-	}
-
-	args[0] = BRCTL_DEL_IF;
-	args[1] = if_index;
-
-	os_strlcpy(ifr.ifr_name, br_name, sizeof(ifr.ifr_name));
-	ifr.ifr_data = (__caddr_t) args;
-
-	if (ioctl(fd, SIOCDEVPRIVATE, &ifr) < 0 && errno != EINVAL) {
-		/* No error if interface already removed. */
-		wpa_printf(MSG_ERROR, "VLAN: %s: ioctl[SIOCDEVPRIVATE,"
-			   "BRCTL_DEL_IF] failed for br_name=%s if_name=%s: "
-			   "%s", __func__, br_name, if_name, strerror(errno));
-		close(fd);
-		return -1;
-	}
-
-	close(fd);
-	return 0;
-}
-
-
-/*
-	Add interface 'if_name' to the bridge 'br_name'
-
-	returns -1 on error
-	returns 1 if the interface is already part of the bridge
-	returns 0 otherwise
-*/
-static int br_addif(const char *br_name, const char *if_name)
-{
-	int fd;
-	struct ifreq ifr;
-	unsigned long args[2];
-	int if_index;
-
-	wpa_printf(MSG_DEBUG, "VLAN: br_addif(%s, %s)", br_name, if_name);
-	if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
-		wpa_printf(MSG_ERROR, "VLAN: %s: socket(AF_INET,SOCK_STREAM) "
-			   "failed: %s", __func__, strerror(errno));
-		return -1;
-	}
-
-	if_index = if_nametoindex(if_name);
-
-	if (if_index == 0) {
-		wpa_printf(MSG_ERROR, "VLAN: %s: Failure determining "
-			   "interface index for '%s'",
-			   __func__, if_name);
-		close(fd);
-		return -1;
-	}
-
-	args[0] = BRCTL_ADD_IF;
-	args[1] = if_index;
-
-	os_strlcpy(ifr.ifr_name, br_name, sizeof(ifr.ifr_name));
-	ifr.ifr_data = (__caddr_t) args;
-
-	if (ioctl(fd, SIOCDEVPRIVATE, &ifr) < 0) {
-		if (errno == EBUSY) {
-			/* The interface is already added. */
-			close(fd);
-			return 1;
-		}
-
-		wpa_printf(MSG_ERROR, "VLAN: %s: ioctl[SIOCDEVPRIVATE,"
-			   "BRCTL_ADD_IF] failed for br_name=%s if_name=%s: "
-			   "%s", __func__, br_name, if_name, strerror(errno));
-		close(fd);
-		return -1;
-	}
-
-	close(fd);
-	return 0;
-}
-
-
-static int br_delbr(const char *br_name)
-{
-	int fd;
-	unsigned long arg[2];
-
-	wpa_printf(MSG_DEBUG, "VLAN: br_delbr(%s)", br_name);
-	if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
-		wpa_printf(MSG_ERROR, "VLAN: %s: socket(AF_INET,SOCK_STREAM) "
-			   "failed: %s", __func__, strerror(errno));
-		return -1;
-	}
-
-	arg[0] = BRCTL_DEL_BRIDGE;
-	arg[1] = (unsigned long) br_name;
-
-	if (ioctl(fd, SIOCGIFBR, arg) < 0 && errno != ENXIO) {
-		/* No error if bridge already removed. */
-		wpa_printf(MSG_ERROR, "VLAN: %s: BRCTL_DEL_BRIDGE failed for "
-			   "%s: %s", __func__, br_name, strerror(errno));
-		close(fd);
-		return -1;
-	}
-
-	close(fd);
-	return 0;
-}
-
-
-/*
-	Add a bridge with the name 'br_name'.
-
-	returns -1 on error
-	returns 1 if the bridge already exists
-	returns 0 otherwise
-*/
-static int br_addbr(const char *br_name)
-{
-	int fd;
-	unsigned long arg[4];
-	struct ifreq ifr;
-
-	wpa_printf(MSG_DEBUG, "VLAN: br_addbr(%s)", br_name);
-	if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
-		wpa_printf(MSG_ERROR, "VLAN: %s: socket(AF_INET,SOCK_STREAM) "
-			   "failed: %s", __func__, strerror(errno));
-		return -1;
-	}
-
-	arg[0] = BRCTL_ADD_BRIDGE;
-	arg[1] = (unsigned long) br_name;
-
-	if (ioctl(fd, SIOCGIFBR, arg) < 0) {
- 		if (errno == EEXIST) {
-			/* The bridge is already added. */
-			close(fd);
-			return 1;
-		} else {
-			wpa_printf(MSG_ERROR, "VLAN: %s: BRCTL_ADD_BRIDGE "
-				   "failed for %s: %s",
-				   __func__, br_name, strerror(errno));
-			close(fd);
-			return -1;
-		}
-	}
-
-	/* Decrease forwarding delay to avoid EAPOL timeouts. */
-	os_memset(&ifr, 0, sizeof(ifr));
-	os_strlcpy(ifr.ifr_name, br_name, IFNAMSIZ);
-	arg[0] = BRCTL_SET_BRIDGE_FORWARD_DELAY;
-	arg[1] = 1;
-	arg[2] = 0;
-	arg[3] = 0;
-	ifr.ifr_data = (char *) &arg;
-	if (ioctl(fd, SIOCDEVPRIVATE, &ifr) < 0) {
-		wpa_printf(MSG_ERROR, "VLAN: %s: "
-			   "BRCTL_SET_BRIDGE_FORWARD_DELAY (1 sec) failed for "
-			   "%s: %s", __func__, br_name, strerror(errno));
-		/* Continue anyway */
-	}
-
-	close(fd);
-	return 0;
-}
-
-
-static int br_getnumports(const char *br_name)
-{
-	int fd;
-	int i;
-	int port_cnt = 0;
-	unsigned long arg[4];
-	int ifindices[MAX_BR_PORTS];
-	struct ifreq ifr;
-
-	if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
-		wpa_printf(MSG_ERROR, "VLAN: %s: socket(AF_INET,SOCK_STREAM) "
-			   "failed: %s", __func__, strerror(errno));
-		return -1;
-	}
-
-	arg[0] = BRCTL_GET_PORT_LIST;
-	arg[1] = (unsigned long) ifindices;
-	arg[2] = MAX_BR_PORTS;
-	arg[3] = 0;
-
-	os_memset(ifindices, 0, sizeof(ifindices));
-	os_strlcpy(ifr.ifr_name, br_name, sizeof(ifr.ifr_name));
-	ifr.ifr_data = (__caddr_t) arg;
-
-	if (ioctl(fd, SIOCDEVPRIVATE, &ifr) < 0) {
-		wpa_printf(MSG_ERROR, "VLAN: %s: BRCTL_GET_PORT_LIST "
-			   "failed for %s: %s",
-			   __func__, br_name, strerror(errno));
-		close(fd);
-		return -1;
-	}
-
-	for (i = 1; i < MAX_BR_PORTS; i++) {
-		if (ifindices[i] > 0) {
-			port_cnt++;
-		}
-	}
-
-	close(fd);
-	return port_cnt;
-}
-
-
 #ifndef CONFIG_VLAN_NETLINK
 
 int vlan_rem(const char *if_name)
-- 
1.9.1


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