| /* |
| * siit.h -- definitions for the SIIT module |
| * |
| * |
| */ |
| |
| /* |
| * Constants |
| */ |
| |
| /* SIIT_ETH control the name of SIIT interface: |
| * 0 - interface name is siit0, |
| * 1 - interface name is ethX. |
| */ |
| #define SIIT_ETH 0 |
| |
| #define BUFF_SIZE 4096 |
| #define FRAG_BUFF_SIZE 1232 /* IPv6 max fragment size without IPv6 header |
| * to fragmanet IPv4 if result IPv6 packet will be > 1280 |
| */ |
| |
| #define TRANSLATED_PREFIX 0x0000ffff /* third byte in IPv4-translated addr prefix */ |
| #define MAPPED_PREFIX 0x0000ffff /* third byte in IPv4-mapped addr prefix */ |
| |
| #define IP4_IP6_HDR_DIFF 20 /* diffirence between IPv4 and IPv6 headers */ |
| #define IP6_FRAGMENT_SIZE 8 /* size of Fragment Header */ |
| |
| /* IPv6 header fields masks */ |
| #define IP6F_OFF_MASK 0xfff8 /* mask out offset from frag_off */ |
| #define IP6F_RESERVED_MASK 0x0006 /* reserved bits in frag_off */ |
| #define IP6F_MORE_FRAG 0x0001 /* more-fragments flag */ |
| |
| |
| |
| /* |
| * Macros to help debugging |
| */ |
| |
| #undef PDEBUG /* undef it, just in case */ |
| #ifdef SIIT_DEBUG |
| # ifdef __KERNEL__ |
| /* This one if debugging is on, and kernel space */ |
| # define PDEBUG(fmt, args...) printk(KERN_DEBUG "siit: " fmt, ## args) |
| # else |
| /* This one for user space */ |
| # define PDEBUG(fmt, args...) fprintf(stderr, fmt, ## args) |
| # endif |
| #else |
| # define PDEBUG(fmt, args...) /* not debugging: nothing */ |
| #endif |
| |
| #undef PDEBUGG |
| #define PDEBUGG(fmt, args...) |
| |
| |
| |
| |
| |
| |
| |
| |