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 RTOSgeneric mbed Ethernet driverhigh performance NXP LPC1768 specific Ethernet driverMulti-threading support for mbed RTOSBerkeley sockets and integration with the New Socket APIFork of the apps running on top of the New Socket APIScheduling 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.
modules/pico_tcp.h
- Committer:
- tass
- Date:
- 2013-10-01
- Revision:
- 74:c146c4e346c4
- Parent:
- 70:cd218dd180e5
- Child:
- 76:938a140caf12
File content as of revision 74:c146c4e346c4:
/********************************************************************* PicoTCP. Copyright (c) 2012 TASS Belgium NV. Some rights reserved. See LICENSE and COPYING for usage. . *********************************************************************/ #ifndef _INCLUDE_PICO_TCP #define _INCLUDE_PICO_TCP #include "pico_addressing.h" #include "pico_protocol.h" #include "pico_socket.h" extern struct pico_protocol pico_proto_tcp; struct __attribute__((packed)) pico_tcp_hdr { struct pico_trans trans; uint32_t seq; uint32_t ack; uint8_t len; uint8_t flags; uint16_t rwnd; uint16_t crc; uint16_t urgent; }; struct __attribute__((packed)) tcp_pseudo_hdr_ipv4 { struct pico_ip4 src; struct pico_ip4 dst; uint16_t tcp_len; uint8_t res; uint8_t proto; }; #define PICO_TCPHDR_SIZE 20 #define PICO_SIZE_TCPOPT_SYN 20 #define PICO_SIZE_TCPHDR (uint32_t)(sizeof(struct pico_tcp_hdr)) #define PICO_TCP_DEFAULT_MSS 1444 /* TCP options */ #define PICO_TCP_OPTION_END 0x00 #define PICO_TCPOPTLEN_END 1u #define PICO_TCP_OPTION_NOOP 0x01 #define PICO_TCPOPTLEN_NOOP 1 #define PICO_TCP_OPTION_MSS 0x02 #define PICO_TCPOPTLEN_MSS 4 #define PICO_TCP_OPTION_WS 0x03 #define PICO_TCPOPTLEN_WS 3u #define PICO_TCP_OPTION_SACK_OK 0x04 #define PICO_TCPOPTLEN_SACK_OK 2 #define PICO_TCP_OPTION_SACK 0x05 #define PICO_TCPOPTLEN_SACK 2 /* Plus the block */ #define PICO_TCP_OPTION_TIMESTAMP 0x08 #define PICO_TCPOPTLEN_TIMESTAMP 10u /* TCP flags */ #define PICO_TCP_FIN 0x01 #define PICO_TCP_SYN 0x02 #define PICO_TCP_RST 0x04 #define PICO_TCP_PSH 0x08 #define PICO_TCP_ACK 0x10 #define PICO_TCP_URG 0x20u #define PICO_TCP_ECN 0x40u #define PICO_TCP_CWR 0x80u struct __attribute__((packed)) pico_tcp_option { uint8_t kind; uint8_t len; #if 0 union { uint16_t mss; uint8_t wshift; struct { uint32_t tsval; uint32_t tsecr; } timestamp; } data; #endif }; struct pico_socket *pico_tcp_open(void); uint32_t pico_tcp_read(struct pico_socket *s, void *buf, uint32_t len); int pico_tcp_initconn(struct pico_socket *s); int pico_tcp_input(struct pico_socket *s, struct pico_frame *f); uint16_t pico_tcp_checksum_ipv4(struct pico_frame *f); uint16_t pico_tcp_overhead(struct pico_socket *s); int pico_tcp_output(struct pico_socket *s, int loop_score); int pico_tcp_queue_in_is_empty(struct pico_socket *s); int pico_tcp_reply_rst(struct pico_frame *f); void pico_tcp_cleanup_queues(struct pico_socket *sck); #endif