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Porting PicoTCP WIP

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This commit is contained in:
Kamil Kowalczyk
2025-10-29 14:29:06 +01:00
parent 6722f42e68
commit 815c2239fe
464 changed files with 235009 additions and 24 deletions
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106
kernel/picotcp/modules/pico_tcp.h Normal file
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/*********************************************************************
PicoTCP. Copyright (c) 2012-2017 Altran Intelligent Systems. Some rights reserved.
See COPYING, LICENSE.GPLv2 and LICENSE.GPLv3 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;
PACKED_STRUCT_DEF 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;
};
PACKED_STRUCT_DEF 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))
/* 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 0x01u
#define PICO_TCP_SYN 0x02u
#define PICO_TCP_RST 0x04u
#define PICO_TCP_PSH 0x08u
#define PICO_TCP_ACK 0x10u
#define PICO_TCP_URG 0x20u
#define PICO_TCP_ECN 0x40u
#define PICO_TCP_CWR 0x80u
#define PICO_TCP_SYNACK (PICO_TCP_SYN | PICO_TCP_ACK)
#define PICO_TCP_PSHACK (PICO_TCP_PSH | PICO_TCP_ACK)
#define PICO_TCP_FINACK (PICO_TCP_FIN | PICO_TCP_ACK)
#define PICO_TCP_FINPSHACK (PICO_TCP_FIN | PICO_TCP_PSH | PICO_TCP_ACK)
#define PICO_TCP_RSTACK (PICO_TCP_RST | PICO_TCP_ACK)
PACKED_STRUCT_DEF pico_tcp_option
{
uint8_t kind;
uint8_t len;
};
struct pico_socket *pico_tcp_open(uint16_t family);
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(struct pico_frame *f);
uint16_t pico_tcp_checksum_ipv4(struct pico_frame *f);
#ifdef PICO_SUPPORT_IPV6
uint16_t pico_tcp_checksum_ipv6(struct pico_frame *f);
#endif
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);
void pico_tcp_notify_closing(struct pico_socket *sck);
void pico_tcp_flags_update(struct pico_frame *f, struct pico_socket *s);
int pico_tcp_set_bufsize_in(struct pico_socket *s, uint32_t value);
int pico_tcp_set_bufsize_out(struct pico_socket *s, uint32_t value);
int pico_tcp_get_bufsize_in(struct pico_socket *s, uint32_t *value);
int pico_tcp_get_bufsize_out(struct pico_socket *s, uint32_t *value);
int pico_tcp_set_keepalive_probes(struct pico_socket *s, uint32_t value);
int pico_tcp_set_keepalive_intvl(struct pico_socket *s, uint32_t value);
int pico_tcp_set_keepalive_time(struct pico_socket *s, uint32_t value);
int pico_tcp_set_linger(struct pico_socket *s, uint32_t value);
uint16_t pico_tcp_get_socket_mss(struct pico_socket *s);
int pico_tcp_check_listen_close(struct pico_socket *s);
#endif