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Use own header file for defining Linux VLAN kernel interface

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This gets rid of need to include linux/if_vlan.h and additional defines
in vlan_ioctl.c to avoid issues with missing definitions in libc
headers.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2016-03-26 11:19:49 +02:00
parent 81606ab73b
commit c815fab83a
3 changed files with 56 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/ap/vlan_full.c
View File

@ -13,7 +13,6 @@
/* Avoid conflicts due to NetBSD net/if.h if_type define with driver.h */ /* Avoid conflicts due to NetBSD net/if.h if_type define with driver.h */
#undef if_type #undef if_type
#include <sys/ioctl.h> #include <sys/ioctl.h>
#include <linux/if_vlan.h>
/* From linux/if_bridge.h that can conflict with C library headers for IPv6 */ /* From linux/if_bridge.h that can conflict with C library headers for IPv6 */
#define BRCTL_GET_VERSION 0 #define BRCTL_GET_VERSION 0
#define BRCTL_GET_BRIDGES 1 #define BRCTL_GET_BRIDGES 1
@ -27,6 +26,7 @@
#include "utils/common.h" #include "utils/common.h"
#include "drivers/priv_netlink.h" #include "drivers/priv_netlink.h"
#include "common/linux_vlan.h"
#include "utils/eloop.h" #include "utils/eloop.h"
#include "hostapd.h" #include "hostapd.h"
#include "ap_config.h" #include "ap_config.h"

14
src/ap/vlan_ioctl.c
View File

@ -10,19 +10,11 @@
#include "utils/includes.h" #include "utils/includes.h"
#include <sys/ioctl.h> #include <sys/ioctl.h>
#include <linux/sockios.h>
#include <linux/if_vlan.h>
#include "utils/common.h" #include "utils/common.h"
#include "common/linux_vlan.h"
#include "vlan_util.h" #include "vlan_util.h"
/*
* These are only available in recent linux headers (without the leading
* underscore).
*/
#define _GET_VLAN_REALDEV_NAME_CMD 8
#define _GET_VLAN_VID_CMD 9
int vlan_rem(const char *if_name) int vlan_rem(const char *if_name)
{ {
@ -95,11 +87,11 @@ int vlan_add(const char *if_name, int vid, const char *vlan_if_name)
os_snprintf(if_request.device1, sizeof(if_request.device1), "vlan%d", os_snprintf(if_request.device1, sizeof(if_request.device1), "vlan%d",
vid); vid);
if_request.cmd = _GET_VLAN_VID_CMD; if_request.cmd = GET_VLAN_VID_CMD;
if (ioctl(fd, SIOCSIFVLAN, &if_request) == 0 && if (ioctl(fd, SIOCSIFVLAN, &if_request) == 0 &&
if_request.u.VID == vid) { if_request.u.VID == vid) {
if_request.cmd = _GET_VLAN_REALDEV_NAME_CMD; if_request.cmd = GET_VLAN_REALDEV_NAME_CMD;
if (ioctl(fd, SIOCSIFVLAN, &if_request) == 0 && if (ioctl(fd, SIOCSIFVLAN, &if_request) == 0 &&
os_strncmp(if_request.u.device2, if_name, os_strncmp(if_request.u.device2, if_name,

52
src/common/linux_vlan.h Normal file
View File

@ -0,0 +1,52 @@
/*
* Linux VLAN configuration kernel interface
* Copyright (c) 2016, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef LINUX_VLAN_H
#define LINUX_VLAN_H
/* This ioctl is defined in linux/sockios.h */
#ifndef SIOCSIFVLAN
#define SIOCSIFVLAN 0x8983
#endif /* SIOCSIFVLAN */
/* This interface is defined in linux/if_vlan.h */
#define ADD_VLAN_CMD 0
#define DEL_VLAN_CMD 1
#define SET_VLAN_INGRESS_PRIORITY_CMD 2
#define SET_VLAN_EGRESS_PRIORITY_CMD 3
#define GET_VLAN_INGRESS_PRIORITY_CMD 4
#define GET_VLAN_EGRESS_PRIORITY_CMD 5
#define SET_VLAN_NAME_TYPE_CMD 6
#define SET_VLAN_FLAG_CMD 7
#define GET_VLAN_REALDEV_NAME_CMD 8
#define GET_VLAN_VID_CMD 9
#define VLAN_NAME_TYPE_PLUS_VID 0
#define VLAN_NAME_TYPE_RAW_PLUS_VID 1
#define VLAN_NAME_TYPE_PLUS_VID_NO_PAD 2
#define VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD 3
struct vlan_ioctl_args {
int cmd;
char device1[24];
union {
char device2[24];
int VID;
unsigned int skb_priority;
unsigned int name_type;
unsigned int bind_type;
unsigned int flag;
} u;
short vlan_qos;
};
#endif /* LINUX_VLAN_H */