Daniele Lacamera / PicoTCP-Experimental_CDC_ECM_Branch

Free (GPLv2) TCP/IP stack developed by TASS Belgium

Fork of PicoTCP by Daniele Lacamera

include/pico_protocol.h@51:18637a3d071f, 2013-08-03 (annotated)

Committer:
daniele
Date:
Sat Aug 03 08:50:27 2013 +0000
Revision:
51:18637a3d071f
Parent:
3:b4047e8a0123 
Branch for CDC-ECM: Work in progress

Who changed what in which revision?

UserRevisionLine numberNew contents of line
daniele 3:b4047e8a0123 1 /*********************************************************************
daniele 3:b4047e8a0123 2 PicoTCP. Copyright (c) 2012 TASS Belgium NV. Some rights reserved.
daniele 3:b4047e8a0123 3 See LICENSE and COPYING for usage.
daniele 3:b4047e8a0123 4
daniele 3:b4047e8a0123 5 *********************************************************************/
daniele 3:b4047e8a0123 6 #ifndef _INCLUDE_PICO_PROTOCOL
daniele 3:b4047e8a0123 7 #define _INCLUDE_PICO_PROTOCOL
daniele 3:b4047e8a0123 8 #include <stdint.h>
daniele 3:b4047e8a0123 9 #include "pico_queue.h"
daniele 3:b4047e8a0123 10
daniele 3:b4047e8a0123 11 #define PICO_LOOP_DIR_IN 1
daniele 3:b4047e8a0123 12 #define PICO_LOOP_DIR_OUT 2
daniele 3:b4047e8a0123 13
daniele 3:b4047e8a0123 14 enum pico_layer {
daniele 3:b4047e8a0123 15 PICO_LAYER_DATALINK = 2, /* Ethernet only. */
daniele 3:b4047e8a0123 16 PICO_LAYER_NETWORK = 3, /* IPv4, IPv6, ARP. Arp is there because it communicates with L2 */
daniele 3:b4047e8a0123 17 PICO_LAYER_TRANSPORT = 4, /* UDP, TCP, ICMP */
daniele 3:b4047e8a0123 18 PICO_LAYER_SOCKET = 5 /* Socket management */
daniele 3:b4047e8a0123 19 };
daniele 3:b4047e8a0123 20
daniele 3:b4047e8a0123 21 enum pico_err_e {
daniele 3:b4047e8a0123 22 PICO_ERR_NOERR = 0,
daniele 3:b4047e8a0123 23 PICO_ERR_EPERM,
daniele 3:b4047e8a0123 24 PICO_ERR_ENOENT,
daniele 3:b4047e8a0123 25 /* ... */
daniele 3:b4047e8a0123 26 PICO_ERR_EINTR = 4,
daniele 3:b4047e8a0123 27 PICO_ERR_EIO,
daniele 3:b4047e8a0123 28 PICO_ERR_ENXIO,
daniele 3:b4047e8a0123 29 /* ... */
daniele 3:b4047e8a0123 30 PICO_ERR_EAGAIN = 11,
daniele 3:b4047e8a0123 31 PICO_ERR_ENOMEM,
daniele 3:b4047e8a0123 32 PICO_ERR_EACCESS,
daniele 3:b4047e8a0123 33 PICO_ERR_EFAULT,
daniele 3:b4047e8a0123 34 /* ... */
daniele 3:b4047e8a0123 35 PICO_ERR_EBUSY = 16,
daniele 3:b4047e8a0123 36 PICO_ERR_EEXIST = 17,
daniele 3:b4047e8a0123 37 /* ... */
daniele 3:b4047e8a0123 38 PICO_ERR_EINVAL = 22,
daniele 3:b4047e8a0123 39 /* ... */
daniele 3:b4047e8a0123 40 PICO_ERR_EPROTO = 71,
daniele 3:b4047e8a0123 41 PICO_ERR_ENOPROTOOPT = 92,
daniele 3:b4047e8a0123 42 PICO_ERR_EPROTONOSUPPORT = 93,
daniele 3:b4047e8a0123 43
daniele 3:b4047e8a0123 44 /* ... */
daniele 3:b4047e8a0123 45 PICO_ERR_EADDRINUSE = 98,
daniele 3:b4047e8a0123 46 PICO_ERR_EADDRNOTAVAIL,
daniele 3:b4047e8a0123 47 PICO_ERR_ENETUNREACH,
daniele 3:b4047e8a0123 48
daniele 3:b4047e8a0123 49 /* ... */
daniele 3:b4047e8a0123 50 PICO_ERR_ECONNRESET = 104,
daniele 3:b4047e8a0123 51
daniele 3:b4047e8a0123 52 /* ... */
daniele 3:b4047e8a0123 53 PICO_ERR_EISCONN = 106,
daniele 3:b4047e8a0123 54 PICO_ERR_ENOTCONN,
daniele 3:b4047e8a0123 55 PICO_ERR_ESHUTDOWN,
daniele 3:b4047e8a0123 56 /* ... */
daniele 3:b4047e8a0123 57 PICO_ERR_ETIMEDOUT = 110,
daniele 3:b4047e8a0123 58 PICO_ERR_ECONNREFUSED = 111,
daniele 3:b4047e8a0123 59 PICO_ERR_EHOSTDOWN,
daniele 3:b4047e8a0123 60 PICO_ERR_EHOSTUNREACH,
daniele 3:b4047e8a0123 61 /* ... */
daniele 3:b4047e8a0123 62 PICO_ERR_EOPNOTSUPP = 122,
daniele 3:b4047e8a0123 63
daniele 3:b4047e8a0123 64 };
daniele 3:b4047e8a0123 65
daniele 3:b4047e8a0123 66 typedef enum pico_err_e pico_err_t;
daniele 3:b4047e8a0123 67 extern volatile pico_err_t pico_err;
daniele 3:b4047e8a0123 68
daniele 3:b4047e8a0123 69 #define IS_IPV6(f) ((((uint8_t *)(f->net_hdr))[0] & 0xf0) == 0x60)
daniele 3:b4047e8a0123 70 #define IS_IPV4(f) ((((uint8_t *)(f->net_hdr))[0] & 0xf0) == 0x40)
daniele 3:b4047e8a0123 71
daniele 3:b4047e8a0123 72 #define MAX_PROTOCOL_NAME 16
daniele 3:b4047e8a0123 73
daniele 3:b4047e8a0123 74 struct pico_protocol {
daniele 3:b4047e8a0123 75 char name[MAX_PROTOCOL_NAME];
daniele 3:b4047e8a0123 76 uint32_t hash;
daniele 3:b4047e8a0123 77 enum pico_layer layer;
daniele 3:b4047e8a0123 78 int proto_number;
daniele 3:b4047e8a0123 79 struct pico_queue *q_in;
daniele 3:b4047e8a0123 80 struct pico_queue *q_out;
daniele 3:b4047e8a0123 81 struct pico_frame *(*alloc)(struct pico_protocol *self, int size); /* Frame allocation. */
daniele 3:b4047e8a0123 82 int (*push) (struct pico_protocol *self, struct pico_frame *p); /* Push function, for active outgoing pkts from above */
daniele 3:b4047e8a0123 83 int (*process_out)(struct pico_protocol *self, struct pico_frame *p); /* Send loop. */
daniele 3:b4047e8a0123 84 int (*process_in)(struct pico_protocol *self, struct pico_frame *p); /* Recv loop. */
daniele 3:b4047e8a0123 85 };
daniele 3:b4047e8a0123 86
daniele 3:b4047e8a0123 87 int pico_protocols_loop(int loop_score);
daniele 3:b4047e8a0123 88 void pico_protocol_init(struct pico_protocol *p);
daniele 3:b4047e8a0123 89
daniele 3:b4047e8a0123 90 int pico_protocol_datalink_loop(int loop_score, int direction);
daniele 3:b4047e8a0123 91 int pico_protocol_network_loop(int loop_score, int direction);
daniele 3:b4047e8a0123 92 int pico_protocol_transport_loop(int loop_score, int direction);
daniele 3:b4047e8a0123 93 int pico_protocol_socket_loop(int loop_score, int direction);
daniele 3:b4047e8a0123 94
daniele 3:b4047e8a0123 95 #endif