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-rw-r--r--package/linux-atm/patches/100-br2684.patch488
1 files changed, 488 insertions, 0 deletions
diff --git a/package/linux-atm/patches/100-br2684.patch b/package/linux-atm/patches/100-br2684.patch
new file mode 100644
index 000000000..dfb1de020
--- /dev/null
+++ b/package/linux-atm/patches/100-br2684.patch
@@ -0,0 +1,488 @@
+diff -ruN linux-atm-2.4.1/configure.in linux-atm-2.4.1.new/configure.in
+--- linux-atm-2.4.1/configure.in 2003-04-25 04:17:05.000000000 +0200
++++ linux-atm-2.4.1.new/configure.in 2005-07-27 15:45:49.532396543 +0200
+@@ -153,26 +153,6 @@
+ src/Makefile \
+ src/include/Makefile \
+ src/lib/Makefile \
+- src/test/Makefile \
+- src/debug/Makefile \
+- src/qgen/Makefile \
+- src/saal/Makefile \
+- src/sigd/Makefile \
+- src/maint/Makefile \
+- src/arpd/Makefile \
+- src/ilmid/Makefile \
+- src/ilmid/asn1/Makefile \
+- src/man/Makefile \
+- src/led/Makefile \
+- src/lane/Makefile \
+- src/mpoad/Makefile \
+- src/switch/Makefile \
+- src/switch/debug/Makefile \
+- src/switch/tcp/Makefile \
+- src/config/Makefile \
+- src/config/init-redhat/Makefile \
+- src/extra/Makefile \
+- src/extra/linux-atm.spec \
+- src/extra/ANS/Makefile
++ src/br2684/Makefile \
+ )
+
+diff -ruN linux-atm-2.4.1/src/br2684/Makefile linux-atm-2.4.1.new/src/br2684/Makefile
+--- linux-atm-2.4.1/src/br2684/Makefile 1970-01-01 02:00:00.000000000 +0200
++++ linux-atm-2.4.1.new/src/br2684/Makefile 2002-07-15 23:44:25.000000000 +0200
+@@ -0,0 +1,13 @@
++PREFIX=${TI_FILESYSTEM}
++
++all: br2684ctl
++
++br2684ctl: br2684ctl.c
++ gcc -latm -o br2684ctl br2684ctl.c
++ strip br2684ctl
++
++install: br2684ctl
++ cp br2684ctl $(PREFIX)/usr/sbin/
++
++clean:
++ rm -rf br2684ctl *.o
+diff -ruN linux-atm-2.4.1/src/Makefile.am linux-atm-2.4.1.new/src/Makefile.am
+--- linux-atm-2.4.1/src/Makefile.am 2001-10-03 23:14:53.000000000 +0200
++++ linux-atm-2.4.1.new/src/Makefile.am 2005-07-27 15:33:52.389309711 +0200
+@@ -1,3 +1,2 @@
+-SUBDIRS = include lib test debug qgen saal sigd maint arpd ilmid man led lane \
+- mpoad switch config extra
++SUBDIRS = include lib br2684
+
+
+diff -Nur linux-atm-2.4.1.orig/src/include/linux/atmbr2684.h linux-atm-2.4.1/src/include/linux/atmbr2684.h
+--- linux-atm-2.4.1.orig/src/include/linux/atmbr2684.h 1970-01-01 01:00:00.000000000 +0100
++++ linux-atm-2.4.1/src/include/linux/atmbr2684.h 2005-11-13 00:06:42.000000000 +0100
+@@ -0,0 +1,117 @@
++#ifndef _LINUX_ATMBR2684_H
++#define _LINUX_ATMBR2684_H
++
++#include <linux/atm.h>
++#include <linux/if.h> /* For IFNAMSIZ */
++#include <linux/if_ether.h> /* ETH_P_* */
++
++/*
++ * Type of media we're bridging (ethernet, token ring, etc) Currently only
++ * ethernet is supported
++ */
++#define BR2684_MEDIA_ETHERNET (0) /* 802.3 */
++#define BR2684_MEDIA_802_4 (1) /* 802.4 */
++#define BR2684_MEDIA_TR (2) /* 802.5 - token ring */
++#define BR2684_MEDIA_FDDI (3)
++#define BR2684_MEDIA_802_6 (4) /* 802.6 */
++
++/*
++ * Is there FCS inbound on this VC? This currently isn't supported.
++ */
++#define BR2684_FCSIN_NO (0)
++#define BR2684_FCSIN_IGNORE (1)
++#define BR2684_FCSIN_VERIFY (2)
++
++/*
++ * Is there FCS outbound on this VC? This currently isn't supported.
++ */
++#define BR2684_FCSOUT_NO (0)
++#define BR2684_FCSOUT_SENDZERO (1)
++#define BR2684_FCSOUT_GENERATE (2)
++
++/*
++ * Does this VC include LLC encapsulation?
++ */
++#define BR2684_ENCAPS_VC (0) /* VC-mux */
++#define BR2684_ENCAPS_LLC (1)
++#define BR2684_ENCAPS_AUTODETECT (2) /* Unsuported */
++
++/*
++ * Is this VC bridged or routed?
++ */
++
++#define BR2684_PAYLOAD_ROUTED (0)
++#define BR2684_PAYLOAD_BRIDGED (1)
++
++
++/*
++ * This is for the ATM_NEWBACKENDIF call - these are like socket families:
++ * the first element of the structure is the backend number and the rest
++ * is per-backend specific
++ */
++struct atm_newif_br2684 {
++ atm_backend_t backend_num; /* ATM_BACKEND_BR2684 */
++ int media; /* BR2684_MEDIA_* */
++ char ifname[IFNAMSIZ];
++ int mtu;
++ int payload; /* bridged or routed */
++};
++
++/*
++ * This structure is used to specify a br2684 interface - either by a
++ * positive integer (returned by ATM_NEWBACKENDIF) or the interfaces name
++ */
++#define BR2684_FIND_BYNOTHING (0)
++#define BR2684_FIND_BYNUM (1)
++#define BR2684_FIND_BYIFNAME (2)
++struct br2684_if_spec {
++ int method; /* BR2684_FIND_* */
++ union {
++ char ifname[IFNAMSIZ];
++ int devnum;
++ } spec;
++};
++
++/*
++ * This is for the ATM_SETBACKEND call - these are like socket families:
++ * the first element of the structure is the backend number and the rest
++ * is per-backend specific
++ */
++struct atm_backend_br2684 {
++ atm_backend_t backend_num; /* ATM_BACKEND_BR2684 */
++ struct br2684_if_spec ifspec;
++ int fcs_in; /* BR2684_FCSIN_* */
++ int fcs_out; /* BR2684_FCSOUT_* */
++ int fcs_auto; /* 1: fcs_{in,out} disabled if no FCS rx'ed */
++ int encaps; /* BR2684_ENCAPS_* */
++ int payload; /* BR2684_PAYLOAD_* */
++ int has_vpiid; /* 1: use vpn_id - Unsupported */
++ __u8 vpn_id[7];
++ int send_padding; /* unsupported */
++ int min_size; /* we will pad smaller packets than this */
++};
++
++/*
++ * The BR2684_SETFILT ioctl is an experimental mechanism for folks
++ * terminating a large number of IP-only vcc's. When netfilter allows
++ * efficient per-if in/out filters, this support will be removed
++ */
++struct br2684_filter {
++ __u32 prefix; /* network byte order */
++ __u32 netmask; /* 0 = disable filter */
++};
++
++struct br2684_filter_set {
++ struct br2684_if_spec ifspec;
++ struct br2684_filter filter;
++};
++
++enum br2684_payload {
++ p_routed = BR2684_PAYLOAD_ROUTED,
++ p_bridged = BR2684_PAYLOAD_BRIDGED,
++};
++
++#define BR2684_SETFILT _IOW( 'a', ATMIOC_BACKEND + 0, \
++ struct br2684_filter_set)
++
++#endif /* _LINUX_ATMBR2684_H */
+--- linux-atm-2.4.1/src/br2684/br2684ctl.c 1970-01-01 01:00:00.000000000 +0100
++++ linux-atm-2.4.1.new/src/br2684/br2684ctl.c 2006-02-07 14:19:42.000000000 +0100
+@@ -0,0 +1,307 @@
++#include <stdio.h>
++#include <stdlib.h>
++#include <unistd.h>
++#include <errno.h>
++#include <sys/ioctl.h>
++#include <string.h>
++#include <syslog.h>
++#include <atm.h>
++#include <linux/atmdev.h>
++#include <linux/atmbr2684.h>
++
++/* Written by Marcell GAL <cell@sch.bme.hu> to make use of the */
++/* ioctls defined in the br2684... kernel patch */
++/* Compile with cc -o br2684ctl br2684ctl.c -latm */
++
++/*
++ Modified feb 2001 by Stephen Aaskov (saa@lasat.com)
++ - Added daemonization code
++ - Added syslog
++
++ TODO: Delete interfaces after exit?
++*/
++
++
++#define LOG_NAME "RFC1483/2684 bridge"
++#define LOG_OPTION LOG_PERROR
++#define LOG_FACILITY LOG_LOCAL0
++
++
++int lastsock, lastitf;
++
++void fatal(char *str, int i)
++{
++ syslog(LOG_ERR, "Fatal: %s", str);
++ exit(-2);
++};
++
++
++void exitFunc(void)
++{
++ syslog(LOG_PID, "Daemon terminated\n");
++}
++
++
++int create_pidfile(char *nstr)
++{
++ FILE *pidfile = NULL;
++ char name[20];
++ int num;
++
++ if (nstr == NULL)
++ return -1;
++ num = atoi(nstr);
++ if (num < 0)
++ return -1;
++
++ snprintf(name, 20, "/var/run/nas%d.pid", num);
++ pidfile = fopen(name, "w");
++ if (pidfile == NULL)
++ return -1;
++ fprintf(pidfile, "%d", getpid());
++ fclose(pidfile);
++
++ return 0;
++}
++
++int create_br(char *nstr, int payload)
++{
++ int num, err;
++
++ if (lastsock < 0) {
++ lastsock = socket(PF_ATMPVC, SOCK_DGRAM, ATM_AAL5);
++ }
++ if (lastsock < 0) {
++ syslog(LOG_ERR, "socket creation failed: %s",
++ strerror(errno));
++ } else {
++ /* create the device with ioctl: */
++ num = atoi(nstr);
++ if (num >= 0 && num < 1234567890) {
++ struct atm_newif_br2684 ni;
++ ni.backend_num = ATM_BACKEND_BR2684;
++ ni.media = BR2684_MEDIA_ETHERNET;
++ ni.mtu = 1500;
++ ni.payload = payload; /* bridged or routed */
++ sprintf(ni.ifname, "nas%d", num);
++ err = ioctl(lastsock, ATM_NEWBACKENDIF, &ni);
++
++ if (err == 0)
++ syslog(LOG_INFO,
++ "Interface \"%s\" (mtu=%d, payload=%s) created sucessfully\n",
++ ni.ifname, ni.mtu,ni.payload ? "bridged" : "routed");
++ else
++ syslog(LOG_INFO,
++ "Interface \"%s\" could not be created, reason: %s\n",
++ ni.ifname, strerror(errno));
++ lastitf = num; /* even if we didn't create, because existed, assign_vcc wil want to know it! */
++ } else {
++ syslog(LOG_ERR, "err: strange interface number %d",
++ num);
++ }
++ }
++ return 0;
++}
++
++
++int assign_vcc(char *astr, int encap, int payload, int bufsize)
++{
++ int err, errno;
++ struct atm_qos qos;
++ struct sockaddr_atmpvc addr;
++ int fd;
++ struct atm_backend_br2684 be;
++
++ memset(&addr, 0, sizeof(addr));
++ err =
++ text2atm(astr, (struct sockaddr *) (&addr), sizeof(addr),
++ T2A_PVC);
++ if (err != 0)
++ syslog(LOG_ERR,
++ "Could not parse ATM parameters (error=%d)\n", err);
++
++#if 0
++ addr.sap_family = AF_ATMPVC;
++ addr.sap_addr.itf = itf;
++ addr.sap_addr.vpi = 0;
++ addr.sap_addr.vci = vci;
++#endif
++ syslog(LOG_INFO,
++ "Communicating over ATM %d.%d.%d, encapsulation: %s\n",
++ addr.sap_addr.itf, addr.sap_addr.vpi, addr.sap_addr.vci,
++ encap ? "VC mux" : "LLC");
++
++ if ((fd = socket(PF_ATMPVC, SOCK_DGRAM, ATM_AAL5)) < 0)
++ syslog(LOG_ERR, "failed to create socket %d, reason: %s",
++ errno, strerror(errno));
++
++
++ memset(&qos, 0, sizeof(qos));
++ qos.aal = ATM_AAL5;
++ qos.txtp.traffic_class = ATM_UBR;
++ qos.txtp.max_sdu = 1524;
++ qos.txtp.pcr = ATM_MAX_PCR;
++ qos.rxtp = qos.txtp;
++
++ if ((err =
++ setsockopt(fd, SOL_SOCKET, SO_SNDBUF, &bufsize,
++ sizeof(bufsize))))
++ syslog(LOG_ERR, "setsockopt SO_SNDBUF: (%d) %s\n", err,
++ strerror(err));
++
++ if (setsockopt(fd, SOL_ATM, SO_ATMQOS, &qos, sizeof(qos)) < 0)
++ syslog(LOG_ERR, "setsockopt SO_ATMQOS %d", errno);
++
++ err =
++ connect(fd, (struct sockaddr *) &addr,
++ sizeof(struct sockaddr_atmpvc));
++
++ if (err < 0)
++ fatal("failed to connect on socket", err);
++
++ /* attach the vcc to device: */
++
++ be.backend_num = ATM_BACKEND_BR2684;
++ be.ifspec.method = BR2684_FIND_BYIFNAME;
++ sprintf(be.ifspec.spec.ifname, "nas%d", lastitf);
++ be.fcs_in = BR2684_FCSIN_NO;
++ be.fcs_out = BR2684_FCSOUT_NO;
++ be.fcs_auto = 0;
++ be.encaps = encap ? BR2684_ENCAPS_VC : BR2684_ENCAPS_LLC;
++ be.payload = payload;
++ be.has_vpiid = 0;
++ be.send_padding = 0;
++ be.min_size = 0;
++ err = ioctl(fd, ATM_SETBACKEND, &be);
++ if (err == 0)
++ syslog(LOG_INFO, "Interface configured");
++ else {
++ syslog(LOG_ERR, "Could not configure interface:%s",
++ strerror(errno));
++ exit(2);
++ }
++ return fd;
++}
++
++
++
++void usage(char *s)
++{
++ printf("usage: %s [-b] [[-c number] [-e 0|1] [-p 0|1] [-s num] [-a [itf.]vpi.vci]*]*\n"
++ " -b = run in background (daemonize)\n"
++ " -c <num> = use interface nas<num>\n"
++ " -e 0|1 = encapsulation (0=LLC, 1=VC Mux)\n"
++ " -p 0|1 = payload type (0=routed,1=bridged)\n"
++ " -s <num> = set sndbuf (send buffer) size (default 8192)\n"
++ " -a [itf.]vpi.vci = ATM interface no, VPI, VCI\n",
++ s);
++ exit(1);
++}
++
++
++
++int main(int argc, char **argv)
++{
++ int c, background = 0, encap = 0, sndbuf = 8192, payload = 1;
++ char *itfnum = NULL;
++
++ lastsock = -1;
++ lastitf = 0;
++
++ openlog(LOG_NAME, LOG_OPTION, LOG_FACILITY);
++ if (argc > 1)
++ while ((c = getopt(argc, argv, "a:bc:e:s:p:t:?h")) != EOF)
++ switch (c) {
++ case 'a':
++ assign_vcc(optarg, encap, payload, sndbuf);
++ break;
++ case 'b':
++ background = 1;
++ break;
++ case 'c':
++ create_br(optarg, payload);
++ itfnum = strdup(optarg);
++ break;
++ case 'e':
++ encap = (atoi(optarg));
++ if (encap < 0) {
++ syslog(LOG_ERR,
++ "invalid encapsulation: %s:\n",
++ optarg);
++ encap = 0;
++ }
++ break;
++ case 's':
++ sndbuf = (atoi(optarg));
++ if (sndbuf < 0) {
++ syslog(LOG_ERR,
++ "Invalid sndbuf: %s, using size of 8192 instead\n",
++ optarg);
++ sndbuf = 8192;
++ }
++ break;
++ case 'p': /* payload type: routed (0) or bridged (1) */
++ payload = atoi(optarg);
++ break;
++ case '?':
++ case 'h':
++ default:
++ usage(argv[0]);
++ } else
++ usage(argv[0]);
++
++ if (argc != optind)
++ usage(argv[0]);
++
++ if (lastsock >= 0)
++ close(lastsock);
++
++ if (background) {
++ pid_t pid;
++
++ pid = fork();
++ if (pid < 0) {
++ fprintf(stderr, "Error detaching\n");
++ exit(2);
++ } else if (pid)
++ exit(0); // This is the parent
++
++ // Become a process group and session group leader
++ if (setsid() < 0) {
++ fprintf(stderr, "Could not set process group\n");
++ exit(2);
++ }
++ // Fork again to let process group leader exit
++ pid = fork();
++ if (pid < 0) {
++ fprintf(stderr,
++ "Error detaching during second fork\n");
++ exit(2);
++ } else if (pid)
++ exit(0); // This is the parent
++
++ // Now we're ready for buisness
++ chdir("/"); // Don't keep directories in use
++ close(0);
++ close(1);
++ close(2); // Close stdin, -out and -error
++ /*
++ Note that this implementation does not keep an open
++ stdout/err.
++ If we need them they can be opened now
++ */
++
++ }
++
++ if (itfnum != NULL) {
++ create_pidfile(itfnum);
++ free(itfnum);
++ }
++
++ syslog(LOG_INFO, "RFC 1483/2684 bridge daemon started\n");
++ atexit(exitFunc);
++
++ while (1)
++ sleep(30); /* to keep the sockets... */
++ return 0;
++}
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