diff options
Diffstat (limited to 'uclibc-crosstools-gcc-4.4.2-1/usr/include/linux/netfilter_bridge/ebt_802_3.h')
-rw-r--r-- | uclibc-crosstools-gcc-4.4.2-1/usr/include/linux/netfilter_bridge/ebt_802_3.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/uclibc-crosstools-gcc-4.4.2-1/usr/include/linux/netfilter_bridge/ebt_802_3.h b/uclibc-crosstools-gcc-4.4.2-1/usr/include/linux/netfilter_bridge/ebt_802_3.h new file mode 100644 index 0000000..b61e308 --- /dev/null +++ b/uclibc-crosstools-gcc-4.4.2-1/usr/include/linux/netfilter_bridge/ebt_802_3.h @@ -0,0 +1,61 @@ +#ifndef __LINUX_BRIDGE_EBT_802_3_H +#define __LINUX_BRIDGE_EBT_802_3_H + +#define EBT_802_3_SAP 0x01 +#define EBT_802_3_TYPE 0x02 + +#define EBT_802_3_MATCH "802_3" + +/* + * If frame has DSAP/SSAP value 0xaa you must check the SNAP type + * to discover what kind of packet we're carrying. + */ +#define CHECK_TYPE 0xaa + +/* + * Control field may be one or two bytes. If the first byte has + * the value 0x03 then the entire length is one byte, otherwise it is two. + * One byte controls are used in Unnumbered Information frames. + * Two byte controls are used in Numbered Information frames. + */ +#define IS_UI 0x03 + +#define EBT_802_3_MASK (EBT_802_3_SAP | EBT_802_3_TYPE | EBT_802_3) + +/* ui has one byte ctrl, ni has two */ +struct hdr_ui { + uint8_t dsap; + uint8_t ssap; + uint8_t ctrl; + uint8_t orig[3]; + __be16 type; +}; + +struct hdr_ni { + uint8_t dsap; + uint8_t ssap; + __be16 ctrl; + uint8_t orig[3]; + __be16 type; +}; + +struct ebt_802_3_hdr { + uint8_t daddr[6]; + uint8_t saddr[6]; + __be16 len; + union { + struct hdr_ui ui; + struct hdr_ni ni; + } llc; +}; + + +struct ebt_802_3_info +{ + uint8_t sap; + __be16 type; + uint8_t bitmask; + uint8_t invflags; +}; + +#endif |