/* This file contains the SENDME cell definition. */

struct sendme_cell {
  /* Version field. */
  u8 version IN [0x00, 0x01];

  /* The data content depends on the version. */
  u16 data_len;
  u8 data[data_len];
}

/* SENDME version 0. No data. */

/* SENDME version 1. Authenticated with digest. */
struct sendme_data_v1 {
  /* A 4 bytes digest. */
  u8 digest[4];
}