diff options
Diffstat (limited to 'include/linux/if_tun.h')
| -rw-r--r-- | include/linux/if_tun.h | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/include/linux/if_tun.h b/include/linux/if_tun.h index 563fae542da6..4c6307ad9fdb 100644 --- a/include/linux/if_tun.h +++ b/include/linux/if_tun.h @@ -17,6 +17,7 @@ #define __IF_TUN_H #include <linux/types.h> +#include <linux/if_ether.h> /* Read queue size */ #define TUN_READQ_SIZE 500 @@ -42,7 +43,8 @@ #define TUNSETLINK _IOW('T', 205, int) #define TUNSETGROUP _IOW('T', 206, int) #define TUNGETFEATURES _IOR('T', 207, unsigned int) -#define TUNSETOFFLOAD _IOW('T', 208, unsigned int) +#define TUNSETOFFLOAD _IOW('T', 208, unsigned int) +#define TUNSETTXFILTER _IOW('T', 209, unsigned int) /* TUNSETIFF ifr flags */ #define IFF_TUN 0x0001 @@ -57,10 +59,26 @@ #define TUN_F_TSO6 0x04 /* I can handle TSO for IPv6 packets */ #define TUN_F_TSO_ECN 0x08 /* I can handle TSO with ECN bits. */ +/* Protocol info prepended to the packets (when IFF_NO_PI is not set) */ +#define TUN_PKT_STRIP 0x0001 struct tun_pi { - unsigned short flags; + __u16 flags; __be16 proto; }; -#define TUN_PKT_STRIP 0x0001 + +/* + * Filter spec (used for SETXXFILTER ioctls) + * This stuff is applicable only to the TAP (Ethernet) devices. + * If the count is zero the filter is disabled and the driver accepts + * all packets (promisc mode). + * If the filter is enabled in order to accept broadcast packets + * broadcast addr must be explicitly included in the addr list. + */ +#define TUN_FLT_ALLMULTI 0x0001 /* Accept all multicast packets */ +struct tun_filter { + __u16 flags; /* TUN_FLT_ flags see above */ + __u16 count; /* Number of addresses */ + __u8 addr[0][ETH_ALEN]; +}; #endif /* __IF_TUN_H */ |