diff options
Diffstat (limited to 'accel-pppd/ctrl/l2tp/l2tp_prot.h')
| -rw-r--r-- | accel-pppd/ctrl/l2tp/l2tp_prot.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/accel-pppd/ctrl/l2tp/l2tp_prot.h b/accel-pppd/ctrl/l2tp/l2tp_prot.h new file mode 100644 index 0000000..1c1d9da --- /dev/null +++ b/accel-pppd/ctrl/l2tp/l2tp_prot.h @@ -0,0 +1,55 @@ +#ifndef __L2TP_PROT_H +#define __L2TP_PROT_H + +#include <stdint.h> + +#define L2TP_PORT 1701 + +struct l2tp_hdr_t +{ + uint8_t P:1; + uint8_t O:1; + uint8_t reserved2:1; + uint8_t S:1; + uint8_t reserved1:2; + uint8_t L:1; + uint8_t T:1; + uint8_t ver:4; + uint8_t reserved3:4; + uint16_t length; + union { + struct { + uint16_t tid; + uint16_t sid; + }; + uint32_t cid; + }; + uint16_t Ns; + uint16_t Nr; +} __attribute__((packed)); + +/*#define L2TP_T(hdr) (hdr->flags >> 15) +#define L2TP_L(hdr) ((hdr->flags >> 14) & 1) +#define L2TP_S(hdr) ((hdr->flags >> 10) & 1) +#define L2TP_O(hdr) ((hdr->flags >> 8) & 1) +#define L2TP_VER(hdr) (hdr->flags & 0xf)*/ + +struct l2tp_avp_t +{ + uint16_t length:10; + uint16_t reserved:4; + uint16_t H:1; + uint16_t M:1; + uint16_t vendor; + uint16_t type; + uint8_t val[0]; +} __attribute__((packed)); + +struct l2tp_avp_result_code +{ + uint16_t result_code; + uint16_t error_code; +} __attribute__((packed)); + +#endif + |