openwrt/package/linux-atm/patches/100-br2684.patch

   1 --- linux-atm-2.4.1.orig/src/br2684/br2684ctl.c
   2 +++ linux-atm-2.4.1/src/br2684/br2684ctl.c
   3 @@ -0,0 +1,251 @@
   4 +#include <stdio.h>
   5 +#include <stdlib.h>
   6 +#include <unistd.h>
   7 +#include <errno.h>
   8 +#include <sys/ioctl.h>
   9 +#include <string.h>
  10 +#include <syslog.h>
  11 +#include <atm.h>
  12 +#include <linux/atmdev.h>
  13 +#include <linux/atmbr2684.h>
  14 +
  15 +/* Written by Marcell GAL <cell@sch.bme.hu> to make use of the */
  16 +/* ioctls defined in the br2684... kernel patch */
  17 +/* Compile with cc -o br2684ctl br2684ctl.c -latm */
  18 +
  19 +/*
  20 +  Modified feb 2001 by Stephen Aaskov (saa@lasat.com)
  21 +  - Added daemonization code
  22 +  - Added syslog
  23 +
  24 +  TODO: Delete interfaces after exit?
  25 +*/
  26 +
  27 +
  28 +#define LOG_NAME "RFC1483/2684 bridge"
  29 +#define LOG_OPTION     LOG_PERROR
  30 +#define LOG_FACILITY   LOG_LOCAL0
  31 +
  32 +
  33 +int lastsock, lastitf;
  34 +
  35 +
  36 +void fatal(const char *str, int i)
  37 +{
  38 +  syslog (LOG_ERR,"Fatal: %s",str);
  39 +  exit(-2);
  40 +};
  41 +
  42 +
  43 +void exitFunc(void)
  44 +{
  45 +  syslog (LOG_PID,"Daemon terminated\n");
  46 +}
  47 +
  48 +
  49 +int create_br(char *nstr)
  50 +{
  51 +  int num, err;
  52 +
  53 +  if(lastsock<0) {
  54 +    lastsock = socket(PF_ATMPVC, SOCK_DGRAM, ATM_AAL5);
  55 +  }
  56 +  if (lastsock<0) {
  57 +    syslog(LOG_ERR, "socket creation failed: %s",strerror(errno));
  58 +  } else {
  59 +    /* create the device with ioctl: */
  60 +    num=atoi(nstr);
  61 +    if( num>=0 && num<1234567890){
  62 +      struct atm_newif_br2684 ni;
  63 +      ni.backend_num = ATM_BACKEND_BR2684;
  64 +      ni.media = BR2684_MEDIA_ETHERNET;
  65 +      ni.mtu = 1500;
  66 +      sprintf(ni.ifname, "nas%d", num);
  67 +      err=ioctl (lastsock, ATM_NEWBACKENDIF, &ni);
  68 +
  69 +      if (err == 0)
  70 +       syslog(LOG_INFO, "Interface \"%s\" created sucessfully\n",ni.ifname);
  71 +      else
  72 +       syslog(LOG_INFO, "Interface \"%s\" could not be created, reason: %s\n",
  73 +              ni.ifname,
  74 +              strerror(errno));
  75 +      lastitf=num;     /* even if we didn't create, because existed, assign_vcc wil want to know it! */
  76 +    } else {
  77 +      syslog(LOG_ERR,"err: strange interface number %d", num );
  78 +    }
  79 +  }
  80 +  return 0;
  81 +}
  82 +
  83 +
  84 +int assign_vcc(char *astr, int encap, int bufsize, struct atm_qos qos)
  85 +{
  86 +    int err;
  87 +    struct sockaddr_atmpvc addr;
  88 +    int fd;
  89 +    struct atm_backend_br2684 be;
  90 +
  91 +    memset(&addr, 0, sizeof(addr));
  92 +    err=text2atm(astr,(struct sockaddr *)(&addr), sizeof(addr), T2A_PVC);
  93 +    if (err!=0)
  94 +      syslog(LOG_ERR,"Could not parse ATM parameters (error=%d)\n",err);
  95 +
  96 +#if 0
  97 +    addr.sap_family = AF_ATMPVC;
  98 +    addr.sap_addr.itf = itf;
  99 +    addr.sap_addr.vpi = 0;
 100 +    addr.sap_addr.vci = vci;
 101 +#endif
 102 +    syslog(LOG_INFO,"Communicating over ATM %d.%d.%d, encapsulation: %s\n", addr.sap_addr.itf,
 103 +          addr.sap_addr.vpi,
 104 +          addr.sap_addr.vci,
 105 +          encap?"VC mux":"LLC");
 106 +
 107 +    if ((fd = socket(PF_ATMPVC, SOCK_DGRAM, ATM_AAL5)) < 0)
 108 +      syslog(LOG_ERR,"failed to create socket %d, reason: %s", errno,strerror(errno));
 109 +
 110 +    if (qos.aal == 0) {
 111 +      qos.aal                     = ATM_AAL5;
 112 +      qos.txtp.traffic_class      = ATM_UBR;
 113 +      qos.txtp.max_sdu            = 1524;
 114 +      qos.txtp.pcr                = ATM_MAX_PCR;
 115 +      qos.rxtp = qos.txtp;
 116 +    }
 117 +
 118 +    if ( (err=setsockopt(fd,SOL_SOCKET,SO_SNDBUF, &bufsize ,sizeof(bufsize))) )
 119 +      syslog(LOG_ERR,"setsockopt SO_SNDBUF: (%d) %s\n",err, strerror(err));
 120 +
 121 +    if (setsockopt(fd, SOL_ATM, SO_ATMQOS, &qos, sizeof(qos)) < 0)
 122 +      syslog(LOG_ERR,"setsockopt SO_ATMQOS %d", errno);
 123 +
 124 +    err = connect(fd, (struct sockaddr*)&addr, sizeof(struct sockaddr_atmpvc));
 125 +
 126 +    if (err < 0)
 127 +      fatal("failed to connect on socket", err);
 128 +
 129 +    /* attach the vcc to device: */
 130 +
 131 +    be.backend_num = ATM_BACKEND_BR2684;
 132 +    be.ifspec.method = BR2684_FIND_BYIFNAME;
 133 +    sprintf(be.ifspec.spec.ifname, "nas%d", lastitf);
 134 +    be.fcs_in = BR2684_FCSIN_NO;
 135 +    be.fcs_out = BR2684_FCSOUT_NO;
 136 +    be.fcs_auto = 0;
 137 +    be.encaps = encap ? BR2684_ENCAPS_VC : BR2684_ENCAPS_LLC;
 138 +    be.has_vpiid = 0;
 139 +    be.send_padding = 0;
 140 +    be.min_size = 0;
 141 +    err=ioctl (fd, ATM_SETBACKEND, &be);
 142 +    if (err == 0)
 143 +      syslog (LOG_INFO,"Interface configured");
 144 +    else {
 145 +      syslog (LOG_ERR,"Could not configure interface:%s",strerror(errno));
 146 +      exit(2);
 147 +    }
 148 +    return fd ;
 149 +}
 150 +
 151 +
 152 +void usage(char *s)
 153 +{
 154 +  printf("usage: %s [-b] [[-c number] [-e 0|1] [-s sndbuf] [-q qos] [-a [itf.]vpi.vci]*]*\n", s);
 155 +  exit(1);
 156 +}
 157 +
 158 +
 159 +
 160 +int main (int argc, char **argv)
 161 +{
 162 +  int c, background=0, encap=0, sndbuf=8192;
 163 +  struct atm_qos reqqos;
 164 +  lastsock=-1;
 165 +  lastitf=0;
 166 +
 167 +  /* st qos to 0 */
 168 +  memset(&reqqos, 0, sizeof(reqqos));
 169 +
 170 +  openlog (LOG_NAME,LOG_OPTION,LOG_FACILITY);
 171 +  if (argc>1)
 172 +    while ((c = getopt(argc, argv,"q:a:bc:e:s:?h")) !=EOF)
 173 +      switch (c) {
 174 +      case 'q':
 175 +       printf ("optarg : %s",optarg);
 176 +       if (text2qos(optarg,&reqqos,0)) fprintf(stderr,"QOS parameter invalid\n");
 177 +       break;
 178 +      case 'a':
 179 +       assign_vcc(optarg, encap, sndbuf, reqqos);
 180 +       break;
 181 +      case 'b':
 182 +       background=1;
 183 +       break;
 184 +      case 'c':
 185 +       create_br(optarg);
 186 +       break;
 187 +      case 'e':
 188 +       encap=(atoi(optarg));
 189 +       if(encap<0){
 190 +         syslog (LOG_ERR, "invalid encapsulation: %s:\n",optarg);
 191 +         encap=0;
 192 +       }
 193 +       break;
 194 +      case 's':
 195 +       sndbuf=(atoi(optarg));
 196 +       if(sndbuf<0){
 197 +         syslog(LOG_ERR, "Invalid sndbuf: %s, using size of 8192 instead\n",optarg);
 198 +         sndbuf=8192;
 199 +       }
 200 +       break;
 201 +      case '?':
 202 +      case 'h':
 203 +      default:
 204 +       usage(argv[0]);
 205 +      }
 206 +  else
 207 +    usage(argv[0]);
 208 +
 209 +  if (argc != optind) usage(argv[0]);
 210 +
 211 +  if(lastsock>=0) close(lastsock);
 212 +
 213 +  if (background) {
 214 +    pid_t pid;
 215 +
 216 +    pid=fork();
 217 +    if (pid < 0) {
 218 +      fprintf(stderr,"Error detaching\n");
 219 +      exit(2);
 220 +    } else if (pid)
 221 +      exit(0); // This is the parent
 222 +
 223 +    // Become a process group and session group leader
 224 +    if (setsid()<0) {
 225 +      fprintf (stderr,"Could not set process group\n");
 226 +      exit(2);
 227 +    }
 228 +
 229 +    // Fork again to let process group leader exit
 230 +    pid = fork();
 231 +    if (pid < 0) {
 232 +      fprintf(stderr,"Error detaching during second fork\n");
 233 +      exit(2);
 234 +    } else if (pid)
 235 +      exit(0); // This is the parent
 236 +
 237 +    // Now we're ready for buisness
 238 +    chdir("/");            // Don't keep directories in use
 239 +    close(0); close(1); close(2);  // Close stdin, -out and -error
 240 +    /*
 241 +      Note that this implementation does not keep an open
 242 +      stdout/err.
 243 +      If we need them they can be opened now
 244 +    */
 245 +
 246 +  }
 247 +
 248 +  syslog (LOG_INFO, "RFC 1483/2684 bridge daemon started\n");
 249 +  atexit (exitFunc);
 250 +
 251 +  while (1) sleep(30); /* to keep the sockets... */
 252 +  return 0;
 253 +}
 254 +
 255 diff -ruN linux-atm-2.4.1/configure.in linux-atm-2.4.1.new/configure.in
 256 --- linux-atm-2.4.1/configure.in        2003-04-25 04:17:05.000000000 +0200
 257 +++ linux-atm-2.4.1.new/configure.in    2005-07-27 15:45:49.532396543 +0200
 258 @@ -153,26 +153,6 @@
 259                 src/Makefile \
 260                 src/include/Makefile \
 261                 src/lib/Makefile \
 262 -               src/test/Makefile \
 263 -               src/debug/Makefile \
 264 -               src/qgen/Makefile \
 265 -               src/saal/Makefile \
 266 -               src/sigd/Makefile \
 267 -               src/maint/Makefile \
 268 -               src/arpd/Makefile \
 269 -               src/ilmid/Makefile \
 270 -               src/ilmid/asn1/Makefile \
 271 -               src/man/Makefile \
 272 -               src/led/Makefile \
 273 -               src/lane/Makefile \
 274 -               src/mpoad/Makefile \
 275 -               src/switch/Makefile \
 276 -               src/switch/debug/Makefile \
 277 -               src/switch/tcp/Makefile \
 278 -               src/config/Makefile \
 279 -               src/config/init-redhat/Makefile \
 280 -               src/extra/Makefile \
 281 -               src/extra/linux-atm.spec \
 282 -               src/extra/ANS/Makefile
 283 +               src/br2684/Makefile \
 284                 )
 285
 286 diff -ruN linux-atm-2.4.1/src/br2684/Makefile linux-atm-2.4.1.new/src/br2684/Makefile
 287 --- linux-atm-2.4.1/src/br2684/Makefile 1970-01-01 02:00:00.000000000 +0200
 288 +++ linux-atm-2.4.1.new/src/br2684/Makefile     2002-07-15 23:44:25.000000000 +0200
 289 @@ -0,0 +1,13 @@
 290 +PREFIX=${TI_FILESYSTEM}
 291 +
 292 +all: br2684ctl
 293 +
 294 +br2684ctl: br2684ctl.c
 295 +       gcc -latm -o br2684ctl br2684ctl.c
 296 +       strip br2684ctl
 297 +
 298 +install: br2684ctl
 299 +       cp br2684ctl $(PREFIX)/usr/sbin/
 300 +
 301 +clean:
 302 +       rm -rf br2684ctl *.o
 303 diff -ruN linux-atm-2.4.1/src/Makefile.am linux-atm-2.4.1.new/src/Makefile.am
 304 --- linux-atm-2.4.1/src/Makefile.am     2001-10-03 23:14:53.000000000 +0200
 305 +++ linux-atm-2.4.1.new/src/Makefile.am 2005-07-27 15:33:52.389309711 +0200
 306 @@ -1,3 +1,2 @@
 307 -SUBDIRS = include lib test debug qgen saal sigd maint arpd ilmid man led lane \
 308 -               mpoad switch config extra
 309 +SUBDIRS = include lib br2684
 310
 311