X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Fslirp%2Fslirp.h;fp=qemu%2Fslirp%2Fslirp.h;h=6589d7eef0bbc6bd6bde1b066948b1c0ecc8fa37;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git diff --git a/qemu/slirp/slirp.h b/qemu/slirp/slirp.h new file mode 100644 index 000000000..6589d7eef --- /dev/null +++ b/qemu/slirp/slirp.h @@ -0,0 +1,361 @@ +#ifndef __COMMON_H__ +#define __COMMON_H__ + +#include "config-host.h" +#include "slirp_config.h" + +#ifdef _WIN32 +# include + +typedef char *caddr_t; + +# include +# include +# include +# include +# include + +#else +# define ioctlsocket ioctl +# define closesocket(s) close(s) +# if !defined(__HAIKU__) +# define O_BINARY 0 +# endif +#endif + +#include +#ifdef HAVE_SYS_BITYPES_H +# include +#endif + +#include + +#ifdef HAVE_UNISTD_H +# include +#endif + +#ifdef HAVE_STDLIB_H +# include +#endif + +#include +#include + +#ifndef HAVE_MEMMOVE +#define memmove(x, y, z) bcopy(y, x, z) +#endif + +#if TIME_WITH_SYS_TIME +# include +# include +#else +# ifdef HAVE_SYS_TIME_H +# include +# else +# include +# endif +#endif + +#ifdef HAVE_STRING_H +# include +#else +# include +#endif + +#ifndef _WIN32 +#include +#endif + +#ifndef _WIN32 +#include +#include +#endif + +/* Systems lacking strdup() definition in . */ +#if defined(ultrix) +char *strdup(const char *); +#endif + +/* Systems lacking malloc() definition in . */ +#if defined(ultrix) || defined(hcx) +void *malloc(size_t arg); +void free(void *ptr); +#endif + +#include +#ifndef NO_UNIX_SOCKETS +#include +#endif +#include +#ifdef HAVE_SYS_SIGNAL_H +# include +#endif +#ifndef _WIN32 +#include +#endif + +#if defined(HAVE_SYS_IOCTL_H) +# include +#endif + +#ifdef HAVE_SYS_SELECT_H +# include +#endif + +#ifdef HAVE_SYS_WAIT_H +# include +#endif + +#ifdef HAVE_SYS_FILIO_H +# include +#endif + +#ifdef USE_PPP +#include +#endif + +#ifdef __STDC__ +#include +#else +#include +#endif + +#include + +/* Avoid conflicting with the libc insque() and remque(), which + have different prototypes. */ +#define insque slirp_insque +#define remque slirp_remque + +#ifdef HAVE_SYS_STROPTS_H +#include +#endif + +#include "debug.h" + +#include "qemu/queue.h" +#include "qemu/sockets.h" + +#include "libslirp.h" +#include "ip.h" +#include "tcp.h" +#include "tcp_timer.h" +#include "tcp_var.h" +#include "tcpip.h" +#include "udp.h" +#include "ip_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 ETH_ALEN 6 +#define ETH_HLEN 14 + +#define ETH_P_IP 0x0800 /* Internet Protocol packet */ +#define ETH_P_ARP 0x0806 /* Address Resolution packet */ + +#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 Slirp { + QTAILQ_ENTRY(Slirp) entry; + u_int time_fasttimo; + u_int last_slowtimo; + bool do_slowtimo; + + /* virtual network configuration */ + struct in_addr vnetwork_addr; + struct in_addr vnetwork_mask; + struct in_addr vhost_addr; + struct in_addr vdhcp_startaddr; + struct in_addr vnameserver_addr; + + struct in_addr client_ipaddr; + char client_hostname[33]; + + int restricted; + struct ex_list *exec_list; + + /* mbuf states */ + struct mbuf m_freelist, m_usedlist; + int mbuf_alloced; + + /* if states */ + struct mbuf if_fastq; /* fast queue (for interactive data) */ + struct mbuf 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; + + 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 +#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); + +/* 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 *); + +/* tcp_input.c */ +void tcp_input(register struct mbuf *, int, struct socket *); +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); +struct tcpcb * tcp_newtcpcb(struct socket *); +struct tcpcb * tcp_close(register struct tcpcb *); +void tcp_sockclosed(struct tcpcb *); +int tcp_fconnect(struct socket *); +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 + +#ifdef _WIN32 +#undef errno +#define errno (WSAGetLastError()) +#endif + +#endif