Annotation of qemu/slirp/slirp.h, revision 1.1.1.4

1.1       root        1: #ifndef __COMMON_H__
                      2: #define __COMMON_H__
                      3: 
1.1.1.2   root        4: #include "config-host.h"
1.1       root        5: #include "slirp_config.h"
                      6: 
                      7: #ifdef _WIN32
                      8: # include <inttypes.h>
                      9: 
                     10: typedef uint8_t u_int8_t;
                     11: typedef uint16_t u_int16_t;
                     12: typedef uint32_t u_int32_t;
                     13: typedef uint64_t u_int64_t;
                     14: typedef char *caddr_t;
                     15: 
                     16: # include <windows.h>
                     17: # include <winsock2.h>
1.1.1.3   root       18: # include <ws2tcpip.h>
1.1       root       19: # include <sys/timeb.h>
                     20: # include <iphlpapi.h>
                     21: 
                     22: # define EWOULDBLOCK WSAEWOULDBLOCK
                     23: # define EINPROGRESS WSAEINPROGRESS
                     24: # define ENOTCONN WSAENOTCONN
                     25: # define EHOSTUNREACH WSAEHOSTUNREACH
                     26: # define ENETUNREACH WSAENETUNREACH
                     27: # define ECONNREFUSED WSAECONNREFUSED
                     28: #else
                     29: # define ioctlsocket ioctl
                     30: # define closesocket(s) close(s)
                     31: # define O_BINARY 0
                     32: #endif
                     33: 
                     34: #include <sys/types.h>
                     35: #ifdef HAVE_SYS_BITYPES_H
                     36: # include <sys/bitypes.h>
                     37: #endif
                     38: 
                     39: #include <sys/time.h>
                     40: 
                     41: #ifdef NEED_TYPEDEFS
                     42: typedef char int8_t;
                     43: typedef unsigned char u_int8_t;
                     44: 
                     45: # if SIZEOF_SHORT == 2
                     46:     typedef short int16_t;
                     47:     typedef unsigned short u_int16_t;
                     48: # else
                     49: #  if SIZEOF_INT == 2
                     50:     typedef int int16_t;
                     51:     typedef unsigned int u_int16_t;
                     52: #  else
                     53:     #error Cannot find a type with sizeof() == 2
                     54: #  endif
                     55: # endif
                     56: 
                     57: # if SIZEOF_SHORT == 4
                     58:    typedef short int32_t;
                     59:    typedef unsigned short u_int32_t;
                     60: # else
                     61: #  if SIZEOF_INT == 4
                     62:     typedef int int32_t;
                     63:     typedef unsigned int u_int32_t;
                     64: #  else
                     65:     #error Cannot find a type with sizeof() == 4
                     66: #  endif
                     67: # endif
                     68: #endif /* NEED_TYPEDEFS */
                     69: 
                     70: #ifdef HAVE_UNISTD_H
                     71: # include <unistd.h>
                     72: #endif
                     73: 
                     74: #ifdef HAVE_STDLIB_H
                     75: # include <stdlib.h>
                     76: #endif
                     77: 
                     78: #include <stdio.h>
                     79: #include <errno.h>
                     80: 
                     81: #ifndef HAVE_MEMMOVE
                     82: #define memmove(x, y, z) bcopy(y, x, z)
                     83: #endif
                     84: 
                     85: #if TIME_WITH_SYS_TIME
                     86: # include <sys/time.h>
                     87: # include <time.h>
                     88: #else
1.1.1.3   root       89: # ifdef HAVE_SYS_TIME_H
1.1       root       90: #  include <sys/time.h>
                     91: # else
                     92: #  include <time.h>
                     93: # endif
                     94: #endif
                     95: 
                     96: #ifdef HAVE_STRING_H
                     97: # include <string.h>
                     98: #else
                     99: # include <strings.h>
                    100: #endif
                    101: 
                    102: #ifndef _WIN32
                    103: #include <sys/uio.h>
                    104: #endif
                    105: 
                    106: #ifndef _WIN32
                    107: #include <netinet/in.h>
                    108: #include <arpa/inet.h>
                    109: #endif
                    110: 
                    111: /* Systems lacking strdup() definition in <string.h>. */
                    112: #if defined(ultrix)
1.1.1.4 ! root      113: char *strdup(const char *);
1.1       root      114: #endif
                    115: 
                    116: /* Systems lacking malloc() definition in <stdlib.h>. */
                    117: #if defined(ultrix) || defined(hcx)
1.1.1.4 ! root      118: void *malloc(size_t arg);
        !           119: void free(void *ptr);
1.1       root      120: #endif
                    121: 
                    122: #ifndef HAVE_INET_ATON
1.1.1.4 ! root      123: int inet_aton(const char *cp, struct in_addr *ia);
1.1       root      124: #endif
                    125: 
                    126: #include <fcntl.h>
                    127: #ifndef NO_UNIX_SOCKETS
                    128: #include <sys/un.h>
                    129: #endif
                    130: #include <signal.h>
                    131: #ifdef HAVE_SYS_SIGNAL_H
                    132: # include <sys/signal.h>
                    133: #endif
                    134: #ifndef _WIN32
                    135: #include <sys/socket.h>
                    136: #endif
                    137: 
                    138: #if defined(HAVE_SYS_IOCTL_H)
                    139: # include <sys/ioctl.h>
                    140: #endif
                    141: 
                    142: #ifdef HAVE_SYS_SELECT_H
                    143: # include <sys/select.h>
                    144: #endif
                    145: 
                    146: #ifdef HAVE_SYS_WAIT_H
                    147: # include <sys/wait.h>
                    148: #endif
                    149: 
                    150: #ifdef HAVE_SYS_FILIO_H
                    151: # include <sys/filio.h>
                    152: #endif
                    153: 
                    154: #ifdef USE_PPP
                    155: #include <ppp/slirppp.h>
                    156: #endif
                    157: 
                    158: #ifdef __STDC__
                    159: #include <stdarg.h>
                    160: #else
                    161: #include <varargs.h>
                    162: #endif
                    163: 
                    164: #include <sys/stat.h>
                    165: 
                    166: /* Avoid conflicting with the libc insque() and remque(), which
                    167:    have different prototypes. */
                    168: #define insque slirp_insque
                    169: #define remque slirp_remque
                    170: 
                    171: #ifdef HAVE_SYS_STROPTS_H
                    172: #include <sys/stropts.h>
                    173: #endif
                    174: 
                    175: #include "debug.h"
                    176: 
1.1.1.4 ! root      177: #include "sys-queue.h"
        !           178: 
        !           179: #include "libslirp.h"
1.1       root      180: #include "ip.h"
                    181: #include "tcp.h"
                    182: #include "tcp_timer.h"
                    183: #include "tcp_var.h"
                    184: #include "tcpip.h"
                    185: #include "udp.h"
                    186: #include "mbuf.h"
                    187: #include "sbuf.h"
                    188: #include "socket.h"
                    189: #include "if.h"
                    190: #include "main.h"
                    191: #include "misc.h"
                    192: #ifdef USE_PPP
                    193: #include "ppp/pppd.h"
                    194: #include "ppp/ppp.h"
                    195: #endif
                    196: 
                    197: #include "bootp.h"
                    198: #include "tftp.h"
                    199: 
1.1.1.4 ! root      200: struct Slirp {
        !           201:     TAILQ_ENTRY(Slirp) entry;
        !           202: 
        !           203:     /* virtual network configuration */
        !           204:     struct in_addr vnetwork_addr;
        !           205:     struct in_addr vnetwork_mask;
        !           206:     struct in_addr vhost_addr;
        !           207:     struct in_addr vdhcp_startaddr;
        !           208:     struct in_addr vnameserver_addr;
        !           209: 
        !           210:     /* ARP cache for the guest IP addresses (XXX: allow many entries) */
        !           211:     uint8_t client_ethaddr[6];
        !           212: 
        !           213:     struct in_addr client_ipaddr;
        !           214:     char client_hostname[33];
        !           215: 
        !           216:     int restricted;
        !           217:     struct timeval tt;
        !           218:     struct ex_list *exec_list;
        !           219: 
        !           220:     /* mbuf states */
        !           221:     struct mbuf m_freelist, m_usedlist;
        !           222:     int mbuf_alloced;
        !           223: 
        !           224:     /* if states */
        !           225:     int if_queued;          /* number of packets queued so far */
        !           226:     struct mbuf if_fastq;   /* fast queue (for interactive data) */
        !           227:     struct mbuf if_batchq;  /* queue for non-interactive data */
        !           228:     struct mbuf *next_m;    /* pointer to next mbuf to output */
        !           229: 
        !           230:     /* ip states */
        !           231:     struct ipq ipq;         /* ip reass. queue */
        !           232:     u_int16_t ip_id;        /* ip packet ctr, for ids */
        !           233: 
        !           234:     /* bootp/dhcp states */
        !           235:     BOOTPClient bootp_clients[NB_BOOTP_CLIENTS];
        !           236:     char *bootp_filename;
        !           237: 
        !           238:     /* tcp states */
        !           239:     struct socket tcb;
        !           240:     struct socket *tcp_last_so;
        !           241:     tcp_seq tcp_iss;        /* tcp initial send seq # */
        !           242:     u_int32_t tcp_now;      /* for RFC 1323 timestamps */
        !           243: 
        !           244:     /* udp states */
        !           245:     struct socket udb;
        !           246:     struct socket *udp_last_so;
        !           247: 
        !           248:     /* tftp states */
        !           249:     char *tftp_prefix;
        !           250:     struct tftp_session tftp_sessions[TFTP_SESSIONS_MAX];
        !           251: 
        !           252:     void *opaque;
        !           253: };
        !           254: 
        !           255: extern Slirp *slirp_instance;
1.1       root      256: 
                    257: #ifndef NULL
                    258: #define NULL (void *)0
                    259: #endif
                    260: 
                    261: #ifndef FULL_BOLT
1.1.1.4 ! root      262: void if_start(Slirp *);
1.1       root      263: #else
1.1.1.4 ! root      264: void if_start(struct ttys *);
1.1       root      265: #endif
                    266: 
                    267: #ifdef BAD_SPRINTF
                    268: # define vsprintf vsprintf_len
                    269: # define sprintf sprintf_len
1.1.1.4 ! root      270:  extern int vsprintf_len(char *, const char *, va_list);
        !           271:  extern int sprintf_len(char *, const char *, ...);
1.1       root      272: #endif
                    273: 
                    274: #ifdef DECLARE_SPRINTF
                    275: # ifndef BAD_SPRINTF
1.1.1.4 ! root      276:  extern int vsprintf(char *, const char *, va_list);
1.1       root      277: # endif
1.1.1.4 ! root      278:  extern int vfprintf(FILE *, const char *, va_list);
1.1       root      279: #endif
                    280: 
                    281: #ifndef HAVE_STRERROR
1.1.1.4 ! root      282:  extern char *strerror(int error);
1.1       root      283: #endif
                    284: 
                    285: #ifndef HAVE_INDEX
1.1.1.4 ! root      286:  char *index(const char *, int);
1.1       root      287: #endif
                    288: 
                    289: #ifndef HAVE_GETHOSTID
1.1.1.4 ! root      290:  long gethostid(void);
1.1       root      291: #endif
                    292: 
1.1.1.4 ! root      293: void lprint(const char *, ...);
1.1       root      294: 
                    295: #ifndef _WIN32
                    296: #include <netdb.h>
                    297: #endif
                    298: 
                    299: #define DEFAULT_BAUD 115200
                    300: 
1.1.1.2   root      301: #define SO_OPTIONS DO_KEEPALIVE
                    302: #define TCP_MAXIDLE (TCPTV_KEEPCNT * TCPTV_KEEPINTVL)
                    303: 
1.1       root      304: /* cksum.c */
                    305: int cksum(struct mbuf *m, int len);
                    306: 
                    307: /* if.c */
1.1.1.4 ! root      308: void if_init(Slirp *);
        !           309: void if_output(struct socket *, struct mbuf *);
1.1       root      310: 
                    311: /* ip_input.c */
1.1.1.4 ! root      312: void ip_init(Slirp *);
        !           313: void ip_input(struct mbuf *);
        !           314: void ip_slowtimo(Slirp *);
        !           315: void ip_stripoptions(register struct mbuf *, struct mbuf *);
1.1       root      316: 
                    317: /* ip_output.c */
1.1.1.4 ! root      318: int ip_output(struct socket *, struct mbuf *);
1.1       root      319: 
                    320: /* tcp_input.c */
1.1.1.4 ! root      321: void tcp_input(register struct mbuf *, int, struct socket *);
        !           322: int tcp_mss(register struct tcpcb *, u_int);
1.1       root      323: 
                    324: /* tcp_output.c */
1.1.1.4 ! root      325: int tcp_output(register struct tcpcb *);
        !           326: void tcp_setpersist(register struct tcpcb *);
1.1       root      327: 
                    328: /* tcp_subr.c */
1.1.1.4 ! root      329: void tcp_init(Slirp *);
        !           330: void tcp_template(struct tcpcb *);
        !           331: void tcp_respond(struct tcpcb *, register struct tcpiphdr *, register struct mbuf *, tcp_seq, tcp_seq, int);
        !           332: struct tcpcb * tcp_newtcpcb(struct socket *);
        !           333: struct tcpcb * tcp_close(register struct tcpcb *);
        !           334: void tcp_sockclosed(struct tcpcb *);
        !           335: int tcp_fconnect(struct socket *);
        !           336: void tcp_connect(struct socket *);
        !           337: int tcp_attach(struct socket *);
        !           338: u_int8_t tcp_tos(struct socket *);
        !           339: int tcp_emu(struct socket *, struct mbuf *);
        !           340: int tcp_ctl(struct socket *);
1.1       root      341: struct tcpcb *tcp_drop(struct tcpcb *tp, int err);
                    342: 
                    343: #ifdef USE_PPP
                    344: #define MIN_MRU MINMRU
                    345: #define MAX_MRU MAXMRU
                    346: #else
                    347: #define MIN_MRU 128
                    348: #define MAX_MRU 16384
                    349: #endif
                    350: 
                    351: #ifndef _WIN32
                    352: #define min(x,y) ((x) < (y) ? (x) : (y))
                    353: #define max(x,y) ((x) > (y) ? (x) : (y))
                    354: #endif
                    355: 
                    356: #ifdef _WIN32
                    357: #undef errno
                    358: #define errno (WSAGetLastError())
                    359: #endif
                    360: 
                    361: #endif

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