Daniele Lacamera / PicoTCP Featured

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

Dependents:   lpc1768-picotcp-demo ZeroMQ_PicoTCP_Publisher_demo TCPSocket_HelloWorld_PicoTCP Pico_TCP_UDP_Test ... more

PicoTCP. Copyright (c) 2013 TASS Belgium NV.

Released under the GNU General Public License, version 2.

Different licensing models may exist, at the sole discretion of the Copyright holders.

Official homepage: http://www.picotcp.com

Bug tracker: https://github.com/tass-belgium/picotcp/issues

Development steps:

  • initial integration with mbed RTOS
  • generic mbed Ethernet driver
  • high performance NXP LPC1768 specific Ethernet driver
  • Multi-threading support for mbed RTOS
  • Berkeley sockets and integration with the New Socket API
  • Fork of the apps running on top of the New Socket API
  • Scheduling optimizations
  • Debugging/benchmarking/testing

Demo application (measuring TCP sender performance):

Import programlpc1768-picotcp-demo

A PicoTCP demo app testing the ethernet throughput on the lpc1768 mbed board.

Last commit 17 May 2013 by TASS Belgium

Diff: include/pico_socket.h

Revision:
131:4758606c9316
Parent:
128:ae39e6e81531
Child:
137:a1c8bfa9d691
--- a/include/pico_socket.h	Wed Dec 11 07:20:17 2013 +0000
+++ b/include/pico_socket.h	Mon Dec 16 11:25:54 2013 +0100
@@ -1,10 +1,8 @@
-#define MBED
+/*********************************************************************
+   PicoTCP. Copyright (c) 2012 TASS Belgium NV. Some rights reserved.
+   See LICENSE and COPYING for usage.
 
-/*********************************************************************
-PicoTCP. Copyright (c) 2012 TASS Belgium NV. Some rights reserved.
-See LICENSE and COPYING for usage.
-
-*********************************************************************/
+ *********************************************************************/
 #ifndef _INCLUDE_PICO_SOCKET
 #define _INCLUDE_PICO_SOCKET
 #include "pico_queue.h"
@@ -12,10 +10,10 @@
 #include "pico_config.h"
 #include "pico_protocol.h"
 
-#ifndef MBED
-	#define PICO_DEFAULT_SOCKETQ (128 * 1024)
+#ifdef __linux__
+    #define PICO_DEFAULT_SOCKETQ (128 * 1024) /* Linux host, so we want full throttle */
 #else
-	#define PICO_DEFAULT_SOCKETQ (4 * 1024)
+    #define PICO_DEFAULT_SOCKETQ (4 * 1024) /* seems like an acceptable default for small embedded systems */
 #endif
 
 #define PICO_SHUT_RD   1
@@ -24,71 +22,71 @@
 
 
 struct pico_socket {
-  struct pico_protocol *proto;
-  struct pico_protocol *net;
+    struct pico_protocol *proto;
+    struct pico_protocol *net;
 
-  union {
-    struct pico_ip4 ip4;
-    struct pico_ip6 ip6;
-  } local_addr;
+    union {
+        struct pico_ip4 ip4;
+        struct pico_ip6 ip6;
+    } local_addr;
 
-  union {
-    struct pico_ip4 ip4;
-    struct pico_ip6 ip6;
-  } remote_addr;
+    union {
+        struct pico_ip4 ip4;
+        struct pico_ip6 ip6;
+    } remote_addr;
 
-  uint16_t local_port;
-  uint16_t remote_port;
+    uint16_t local_port;
+    uint16_t remote_port;
 
-  struct pico_queue q_in;
-  struct pico_queue q_out;
+    struct pico_queue q_in;
+    struct pico_queue q_out;
 
-  void (*wakeup)(uint16_t ev, struct pico_socket *s);
+    void (*wakeup)(uint16_t ev, struct pico_socket *s);
 
 
 #ifdef PICO_SUPPORT_TCP
-  /* For the TCP backlog queue */
-  struct pico_socket *backlog;
-  struct pico_socket *next;
-  struct pico_socket *parent;
-  int max_backlog;
-  uint8_t number_of_pending_conn;
+    /* For the TCP backlog queue */
+    struct pico_socket *backlog;
+    struct pico_socket *next;
+    struct pico_socket *parent;
+    int max_backlog;
+    uint8_t number_of_pending_conn;
 #endif
 #ifdef PICO_SUPPORT_MCAST
-  struct pico_tree *MCASTListen;
+    struct pico_tree *MCASTListen;
 #endif
-  uint16_t ev_pending;
+    uint16_t ev_pending;
 
-  struct pico_device *dev;
+    struct pico_device *dev;
 
-  /* Private field. */
-  int id;
-  uint16_t state;
-  uint16_t opt_flags;
-  pico_time timestamp;
-  void *priv;
+    /* Private field. */
+    int id;
+    uint16_t state;
+    uint16_t opt_flags;
+    pico_time timestamp;
+    void *priv;
 };
 
 struct pico_remote_duple {
-  union {
-    struct pico_ip4 ip4;
-    struct pico_ip6 ip6;
-  } remote_addr;
+    union {
+        struct pico_ip4 ip4;
+        struct pico_ip6 ip6;
+    } remote_addr;
 
-  uint16_t remote_port;
+    uint16_t remote_port;
 };
 
 
 /* request struct for multicast socket opt */
 struct pico_ip_mreq {
-  struct pico_ip4   mcast_group_addr;
-  struct pico_ip4 mcast_link_addr;
+    struct pico_ip4 mcast_group_addr;
+    struct pico_ip4 mcast_link_addr;
 };
 
 struct pico_ip_mreq_source {
-  struct pico_ip4  mcast_group_addr;
-  struct pico_ip4 mcast_source_addr;
-  struct pico_ip4 mcast_link_addr;
+    struct pico_ip4 mcast_group_addr;
+    struct pico_ip4 mcast_source_addr;
+    struct pico_ip4 mcast_link_addr;
 };
 
 #define PICO_SOCKET_STATE_UNDEFINED       0x0000
@@ -135,8 +133,8 @@
 # define PICO_IP_DEFAULT_MULTICAST_TTL        1
 # define PICO_IP_DEFAULT_MULTICAST_LOOP       1
 
-#define PICO_SOCKET_TIMEOUT					  90000u //90 seconds
-#define PICO_SOCKET_BOUND_TIMEOUT             30000u //30 seconds
+#define PICO_SOCKET_TIMEOUT                   90000u /* 90 seconds */
+#define PICO_SOCKET_BOUND_TIMEOUT             30000u /* 30 seconds */
 
 #define PICO_SOCKET_SHUTDOWN_WRITE 0x01
 #define PICO_SOCKET_SHUTDOWN_READ  0x02
@@ -207,7 +205,7 @@
 
 /* Socket loop */
 int pico_sockets_loop(int loop_score);
-struct pico_socket* pico_sockets_find(uint16_t local,uint16_t remote);
+struct pico_socket*pico_sockets_find(uint16_t local, uint16_t remote);
 /* Port check */
 int pico_is_port_free(uint16_t proto, uint16_t port, void *addr, void *net);