[PATCH 09/44] vlan: factor out bridge and ifconfig code
michael-dev at fami-braun.de
michael-dev at fami-braun.de
Wed Feb 24 03:53:15 PST 2016
From: Michael Braun <michael-dev at fami-braun.de>
This can be reused by 802.11r and RSN pre-auth.
Signed-off-by: Michael Braun <michael-dev at fami-braun.de>
---
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 at w1.fi>
+ *
+ * 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 at w1.fi>
+ *
+ * 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 at w1.fi>
+ *
+ * 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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