src/core/or/cell_st.h

   1 /* Copyright (c) 2001 Matej Pfajfar.
   2  * Copyright (c) 2001-2004, Roger Dingledine.
   3  * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
   4  * Copyright (c) 2007-2021, The Tor Project, Inc. */
   5 /* See LICENSE for licensing information */
   6
   7 /**
   8  * @file cell_st.h
   9  * @brief Fixed-size cell structure.
  10  **/
  11
  12 #ifndef CELL_ST_H
  13 #define CELL_ST_H
  14
  15 /** Parsed onion routing cell.  All communication between nodes
  16  * is via cells. */
  17 struct cell_t {
  18   circid_t circ_id; /**< Circuit which received the cell. */
  19   uint8_t command; /**< Type of the cell: one of CELL_PADDING, CELL_CREATE,
  20                     * CELL_DESTROY, etc */
  21   uint8_t payload[CELL_PAYLOAD_SIZE]; /**< Cell body. */
  22 };
  23
  24 #endif /* !defined(CELL_ST_H) */