mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-27 06:34:11 +08:00
1da177e4c3
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
133 lines
3.8 KiB
C
133 lines
3.8 KiB
C
/*
|
|
* Frame Diversion, Benoit Locher <Benoit.Locher@skf.com>
|
|
*
|
|
* Changes:
|
|
* 06/09/2000 BL: initial version
|
|
*
|
|
*/
|
|
|
|
#ifndef _LINUX_DIVERT_H
|
|
#define _LINUX_DIVERT_H
|
|
|
|
#include <asm/types.h>
|
|
|
|
#define MAX_DIVERT_PORTS 8 /* Max number of ports to divert (tcp, udp) */
|
|
|
|
/* Divertable protocols */
|
|
#define DIVERT_PROTO_NONE 0x0000
|
|
#define DIVERT_PROTO_IP 0x0001
|
|
#define DIVERT_PROTO_ICMP 0x0002
|
|
#define DIVERT_PROTO_TCP 0x0004
|
|
#define DIVERT_PROTO_UDP 0x0008
|
|
|
|
/*
|
|
* This is an Ethernet Frame Diverter option block
|
|
*/
|
|
struct divert_blk
|
|
{
|
|
int divert; /* are we active */
|
|
unsigned int protos; /* protocols */
|
|
u16 tcp_dst[MAX_DIVERT_PORTS]; /* specific tcp dst ports to divert */
|
|
u16 tcp_src[MAX_DIVERT_PORTS]; /* specific tcp src ports to divert */
|
|
u16 udp_dst[MAX_DIVERT_PORTS]; /* specific udp dst ports to divert */
|
|
u16 udp_src[MAX_DIVERT_PORTS]; /* specific udp src ports to divert */
|
|
};
|
|
|
|
/*
|
|
* Diversion control block, for configuration with the userspace tool
|
|
* divert
|
|
*/
|
|
|
|
typedef union _divert_cf_arg
|
|
{
|
|
s16 int16;
|
|
u16 uint16;
|
|
s32 int32;
|
|
u32 uint32;
|
|
s64 int64;
|
|
u64 uint64;
|
|
void __user *ptr;
|
|
} divert_cf_arg;
|
|
|
|
|
|
struct divert_cf
|
|
{
|
|
int cmd; /* Command */
|
|
divert_cf_arg arg1,
|
|
arg2,
|
|
arg3;
|
|
int dev_index; /* device index (eth0=0, etc...) */
|
|
};
|
|
|
|
|
|
/* Diversion commands */
|
|
#define DIVCMD_DIVERT 1 /* ENABLE/DISABLE diversion */
|
|
#define DIVCMD_IP 2 /* ENABLE/DISABLE whold IP diversion */
|
|
#define DIVCMD_TCP 3 /* ENABLE/DISABLE whold TCP diversion */
|
|
#define DIVCMD_TCPDST 4 /* ADD/REMOVE TCP DST port for diversion */
|
|
#define DIVCMD_TCPSRC 5 /* ADD/REMOVE TCP SRC port for diversion */
|
|
#define DIVCMD_UDP 6 /* ENABLE/DISABLE whole UDP diversion */
|
|
#define DIVCMD_UDPDST 7 /* ADD/REMOVE UDP DST port for diversion */
|
|
#define DIVCMD_UDPSRC 8 /* ADD/REMOVE UDP SRC port for diversion */
|
|
#define DIVCMD_ICMP 9 /* ENABLE/DISABLE whole ICMP diversion */
|
|
#define DIVCMD_GETSTATUS 10 /* GET the status of the diverter */
|
|
#define DIVCMD_RESET 11 /* Reset the diverter on the specified dev */
|
|
#define DIVCMD_GETVERSION 12 /* Retrieve the diverter code version (char[32]) */
|
|
|
|
/* General syntax of the commands:
|
|
*
|
|
* DIVCMD_xxxxxx(arg1, arg2, arg3, dev_index)
|
|
*
|
|
* SIOCSIFDIVERT:
|
|
* DIVCMD_DIVERT(DIVARG1_ENABLE|DIVARG1_DISABLE, , ,ifindex)
|
|
* DIVCMD_IP(DIVARG1_ENABLE|DIVARG1_DISABLE, , , ifindex)
|
|
* DIVCMD_TCP(DIVARG1_ENABLE|DIVARG1_DISABLE, , , ifindex)
|
|
* DIVCMD_TCPDST(DIVARG1_ADD|DIVARG1_REMOVE, port, , ifindex)
|
|
* DIVCMD_TCPSRC(DIVARG1_ADD|DIVARG1_REMOVE, port, , ifindex)
|
|
* DIVCMD_UDP(DIVARG1_ENABLE|DIVARG1_DISABLE, , , ifindex)
|
|
* DIVCMD_UDPDST(DIVARG1_ADD|DIVARG1_REMOVE, port, , ifindex)
|
|
* DIVCMD_UDPSRC(DIVARG1_ADD|DIVARG1_REMOVE, port, , ifindex)
|
|
* DIVCMD_ICMP(DIVARG1_ENABLE|DIVARG1_DISABLE, , , ifindex)
|
|
* DIVCMD_RESET(, , , ifindex)
|
|
*
|
|
* SIOGIFDIVERT:
|
|
* DIVCMD_GETSTATUS(divert_blk, , , ifindex)
|
|
* DIVCMD_GETVERSION(string[3])
|
|
*/
|
|
|
|
|
|
/* Possible values for arg1 */
|
|
#define DIVARG1_ENABLE 0 /* ENABLE something */
|
|
#define DIVARG1_DISABLE 1 /* DISABLE something */
|
|
#define DIVARG1_ADD 2 /* ADD something */
|
|
#define DIVARG1_REMOVE 3 /* REMOVE something */
|
|
|
|
|
|
#ifdef __KERNEL__
|
|
|
|
/* diverter functions */
|
|
#include <linux/skbuff.h>
|
|
|
|
#ifdef CONFIG_NET_DIVERT
|
|
#include <linux/netdevice.h>
|
|
|
|
int alloc_divert_blk(struct net_device *);
|
|
void free_divert_blk(struct net_device *);
|
|
int divert_ioctl(unsigned int cmd, struct divert_cf __user *arg);
|
|
void divert_frame(struct sk_buff *skb);
|
|
static inline void handle_diverter(struct sk_buff *skb)
|
|
{
|
|
/* if diversion is supported on device, then divert */
|
|
if (skb->dev->divert && skb->dev->divert->divert)
|
|
divert_frame(skb);
|
|
}
|
|
|
|
#else
|
|
# define alloc_divert_blk(dev) (0)
|
|
# define free_divert_blk(dev) do {} while (0)
|
|
# define divert_ioctl(cmd, arg) (-ENOPKG)
|
|
# define handle_diverter(skb) do {} while (0)
|
|
#endif
|
|
#endif
|
|
#endif /* _LINUX_DIVERT_H */
|