http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/linux/divert.h

/* * 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 */