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qemu-e2k/slirp/slirp.h
Stefan Weil 3424c8a9c8 wxx: Fix broken TCP networking (regression) 
It is broken since commit c619644067.

Reported-by: Michael Fritscher <michael@fritscher.net>
Tested-by: Michael Fritscher <michael@fritscher.net>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Stefan Weil <sw@weilnetz.de>
2016-04-15 19:35:17 +02:00

351 lines
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#ifndef __COMMON_H__
#define __COMMON_H__
#include "slirp_config.h"
#ifdef _WIN32
typedef char *caddr_t;
# include <windows.h>
# include <winsock2.h>
# include <ws2tcpip.h>
# include <sys/timeb.h>
# include <iphlpapi.h>
#else
# if !defined(__HAIKU__)
# define O_BINARY 0
# endif
#endif
#ifdef HAVE_SYS_BITYPES_H
# include <sys/bitypes.h>
#endif
#ifndef HAVE_MEMMOVE
#define memmove(x, y, z) bcopy(y, x, z)
#endif
#ifndef _WIN32
#include <sys/uio.h>
#endif
#ifndef _WIN32
#include <netinet/in.h>
#include <arpa/inet.h>
#endif
/* Systems lacking strdup() definition in <string.h>. */
#if defined(ultrix)
char *strdup(const char *);
#endif
/* Systems lacking malloc() definition in <stdlib.h>. */
#if defined(ultrix) || defined(hcx)
void *malloc(size_t arg);
void free(void *ptr);
#endif
#ifndef NO_UNIX_SOCKETS
#include <sys/un.h>
#endif
#ifdef HAVE_SYS_SIGNAL_H
# include <sys/signal.h>
#endif
#ifndef _WIN32
#include <sys/socket.h>
#endif
#if defined(HAVE_SYS_IOCTL_H)
# include <sys/ioctl.h>
#endif
#ifdef HAVE_SYS_SELECT_H
# include <sys/select.h>
#endif
#ifdef HAVE_SYS_WAIT_H
# include <sys/wait.h>
#endif
#ifdef HAVE_SYS_FILIO_H
# include <sys/filio.h>
#endif
#ifdef USE_PPP
#include <ppp/slirppp.h>
#endif
/* Avoid conflicting with the libc insque() and remque(), which
have different prototypes. */
#define insque slirp_insque
#define remque slirp_remque
#define quehead slirp_quehead
#ifdef HAVE_SYS_STROPTS_H
#include <sys/stropts.h>
#endif
#include <glib.h>
#include "debug.h"
#include "qemu/queue.h"
#include "qemu/sockets.h"
#include "net/eth.h"
#include "libslirp.h"
#include "ip.h"
#include "ip6.h"
#include "tcp.h"
#include "tcp_timer.h"
#include "tcp_var.h"
#include "tcpip.h"
#include "udp.h"
#include "ip_icmp.h"
#include "ip6_icmp.h"
#include "mbuf.h"
#include "sbuf.h"
#include "socket.h"
#include "if.h"
#include "main.h"
#include "misc.h"
#ifdef USE_PPP
#include "ppp/pppd.h"
#include "ppp/ppp.h"
#endif
#include "bootp.h"
#include "tftp.h"
#define ARPOP_REQUEST 1 /* ARP request */
#define ARPOP_REPLY 2 /* ARP reply */
struct ethhdr {
unsigned char h_dest[ETH_ALEN]; /* destination eth addr */
unsigned char h_source[ETH_ALEN]; /* source ether addr */
unsigned short h_proto; /* packet type ID field */
};
struct arphdr {
unsigned short ar_hrd; /* format of hardware address */
unsigned short ar_pro; /* format of protocol address */
unsigned char ar_hln; /* length of hardware address */
unsigned char ar_pln; /* length of protocol address */
unsigned short ar_op; /* ARP opcode (command) */
/*
* Ethernet looks like this : This bit is variable sized however...
*/
unsigned char ar_sha[ETH_ALEN]; /* sender hardware address */
uint32_t ar_sip; /* sender IP address */
unsigned char ar_tha[ETH_ALEN]; /* target hardware address */
uint32_t ar_tip; /* target IP address */
} QEMU_PACKED;
#define ARP_TABLE_SIZE 16
typedef struct ArpTable {
struct arphdr table[ARP_TABLE_SIZE];
int next_victim;
} ArpTable;
void arp_table_add(Slirp *slirp, uint32_t ip_addr, uint8_t ethaddr[ETH_ALEN]);
bool arp_table_search(Slirp *slirp, uint32_t ip_addr,
uint8_t out_ethaddr[ETH_ALEN]);
struct ndpentry {
unsigned char eth_addr[ETH_ALEN]; /* sender hardware address */
struct in6_addr ip_addr; /* sender IP address */
} QEMU_PACKED;
#define NDP_TABLE_SIZE 16
typedef struct NdpTable {
struct ndpentry table[NDP_TABLE_SIZE];
int next_victim;
} NdpTable;
void ndp_table_add(Slirp *slirp, struct in6_addr ip_addr,
uint8_t ethaddr[ETH_ALEN]);
bool ndp_table_search(Slirp *slirp, struct in6_addr ip_addr,
uint8_t out_ethaddr[ETH_ALEN]);
struct Slirp {
QTAILQ_ENTRY(Slirp) entry;
u_int time_fasttimo;
u_int last_slowtimo;
bool do_slowtimo;
bool in_enabled, in6_enabled;
/* virtual network configuration */
struct in_addr vnetwork_addr;
struct in_addr vnetwork_mask;
struct in_addr vhost_addr;
struct in6_addr vprefix_addr6;
uint8_t vprefix_len;
struct in6_addr vhost_addr6;
struct in_addr vdhcp_startaddr;
struct in_addr vnameserver_addr;
struct in6_addr vnameserver_addr6;
struct in_addr client_ipaddr;
char client_hostname[33];
int restricted;
struct ex_list *exec_list;
/* mbuf states */
struct quehead m_freelist;
struct quehead m_usedlist;
int mbuf_alloced;
/* if states */
struct quehead if_fastq; /* fast queue (for interactive data) */
struct quehead if_batchq; /* queue for non-interactive data */
struct mbuf *next_m; /* pointer to next mbuf to output */
bool if_start_busy; /* avoid if_start recursion */
/* ip states */
struct ipq ipq; /* ip reass. queue */
uint16_t ip_id; /* ip packet ctr, for ids */
/* bootp/dhcp states */
BOOTPClient bootp_clients[NB_BOOTP_CLIENTS];
char *bootp_filename;
size_t vdnssearch_len;
uint8_t *vdnssearch;
/* tcp states */
struct socket tcb;
struct socket *tcp_last_so;
tcp_seq tcp_iss; /* tcp initial send seq # */
uint32_t tcp_now; /* for RFC 1323 timestamps */
/* udp states */
struct socket udb;
struct socket *udp_last_so;
/* icmp states */
struct socket icmp;
struct socket *icmp_last_so;
/* tftp states */
char *tftp_prefix;
struct tftp_session tftp_sessions[TFTP_SESSIONS_MAX];
ArpTable arp_table;
NdpTable ndp_table;
GRand *grand;
QEMUTimer *ra_timer;
void *opaque;
};
extern Slirp *slirp_instance;
#ifndef NULL
#define NULL (void *)0
#endif
#ifndef FULL_BOLT
void if_start(Slirp *);
#else
void if_start(struct ttys *);
#endif
#ifndef HAVE_STRERROR
char *strerror(int error);
#endif
#ifndef HAVE_INDEX
char *index(const char *, int);
#endif
#ifndef HAVE_GETHOSTID
long gethostid(void);
#endif
#ifndef _WIN32
#include <netdb.h>
#endif
#define DEFAULT_BAUD 115200
#define SO_OPTIONS DO_KEEPALIVE
#define TCP_MAXIDLE (TCPTV_KEEPCNT * TCPTV_KEEPINTVL)
/* dnssearch.c */
int translate_dnssearch(Slirp *s, const char ** names);
/* cksum.c */
int cksum(struct mbuf *m, int len);
int ip6_cksum(struct mbuf *m);
/* if.c */
void if_init(Slirp *);
void if_output(struct socket *, struct mbuf *);
/* ip_input.c */
void ip_init(Slirp *);
void ip_cleanup(Slirp *);
void ip_input(struct mbuf *);
void ip_slowtimo(Slirp *);
void ip_stripoptions(register struct mbuf *, struct mbuf *);
/* ip_output.c */
int ip_output(struct socket *, struct mbuf *);
/* ip6_input.c */
void ip6_init(Slirp *);
void ip6_cleanup(Slirp *);
void ip6_input(struct mbuf *);
/* ip6_output */
int ip6_output(struct socket *, struct mbuf *, int fast);
/* tcp_input.c */
void tcp_input(register struct mbuf *, int, struct socket *, unsigned short af);
int tcp_mss(register struct tcpcb *, u_int);
/* tcp_output.c */
int tcp_output(register struct tcpcb *);
void tcp_setpersist(register struct tcpcb *);
/* tcp_subr.c */
void tcp_init(Slirp *);
void tcp_cleanup(Slirp *);
void tcp_template(struct tcpcb *);
void tcp_respond(struct tcpcb *, register struct tcpiphdr *,
register struct mbuf *, tcp_seq, tcp_seq, int, unsigned short);
struct tcpcb * tcp_newtcpcb(struct socket *);
struct tcpcb * tcp_close(register struct tcpcb *);
void tcp_sockclosed(struct tcpcb *);
int tcp_fconnect(struct socket *, unsigned short af);
void tcp_connect(struct socket *);
int tcp_attach(struct socket *);
uint8_t tcp_tos(struct socket *);
int tcp_emu(struct socket *, struct mbuf *);
int tcp_ctl(struct socket *);
struct tcpcb *tcp_drop(struct tcpcb *tp, int err);
#ifdef USE_PPP
#define MIN_MRU MINMRU
#define MAX_MRU MAXMRU
#else
#define MIN_MRU 128
#define MAX_MRU 16384
#endif
#ifndef _WIN32
#define min(x,y) ((x) < (y) ? (x) : (y))
#define max(x,y) ((x) > (y) ? (x) : (y))
#endif
#endif
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