Last modified 6 years ago
Infineon Danube ADSL2+ PCI modem
There are very few xDSL PCI card form-factor modems available, and most of those that are available do not provide Linux drivers and/or use a proprietary interface stack to the DSL side. For those of us wishing to build an open-source, easily maintainable ADSL gateway using a regular PCI card this device is one of the few that meets our criteria. I purchased it from Linitx in the UK as the " ADSL2+ PCI Card - Single Port ADSL Modem - Annex A". It is unbranded so I'm not sure if it is rebranded by other suppliers.
Linitx state "Linux source tree available". I emailed Linitx to request the source-code for the device and they replied with a link to the parent-company web-site at http://www2.multithread.co.uk/adsl_card_source.tar. The archive contains the Linux kernel, FOSS project sources, and the uclibc-toolchain/ifx-lxdb-1-1/gcc-3.3.6/toolchain-mips. See the building from source section for more details.
I'm recording my experiences and observations on building from source and whether the built binaries match those on the device. There's also a log of files I've identified as missing.
Current status is: LEX Computech/Infineon source-code does not match firmware; critical pieces missingManufacturer
Further research indicates the device is manufactured by Lex Computech in Taiwan and is listed in their Products > Accessories > Additional Modules for System section. The catalog PDF for the PCI Cards matches the Linitx product listing exactly.
- Chip : Infineon
- ITU-T G.992.1 ( G.dmt ) and G.992.2 ( G.lite ) compliant for Annex A, B, ITU-T G.992.3,G.992.4 for ADSL2, ITU-T G.992.5 for ADSL2+
- Supports downstream and upstream data rates up to 24Mbps and 2Mbps
- Configuration and management operated via Web browser with password protected access
- Interface : PCI or LAN link
- O.S : MS Win 98 / 2000 / ME / XP, Linux
The contacts page of the Lex web-site gives the company headquarters in Taiwan and European headquarters in the Netherlands.
| LEX COMPUTECH CO.,LTD. 3F., No.77, LI DE St., Zhonghe Dist., New Taipei City 235, Taiwan,R.O.C Tel : +886 2 2228-1055 Fax : +886 2 2228-1056 E-mail : sales@… | EUROPE Headquarters LEXCOM B.V. Het Sterrenbeeld 32 , 5215 ML 's-Hertogenbosch The Netherlands Tel : +31-73 687 2390 Fax : +31-73 687 2398 E-mail :info@… |
Package Contents
The device arrives with no user guide, just a simple leaflet with rather cryptic jumper/connector details.
ADSL2+ PCI Card Leaflet from Linitx 1362x1920.jpg
From this it can be deduced that the device has two modes of operation:
- Inserted in a standard 32-bit PCI slot, presents Ethernet 10/100Base-T interface to the operating system
- Used stand-alone, provided with external power, connected via external RJ45 connector
The poor grammar of the English language suggests the leaflet was created by a non-native speaker - most likely from east Asia (Taiwan or China most likely).
Markings
Component Side
A2PCI-component-side-1920x1080.jpg
495-B0707-00
Trace Side
A2PCI-trace-side-1920x1080.jpg
LM 030 94V-0 0828 EE 4410078
TYT1154, 070913
Stickers
PCI MAC ID: 0005B409EE27
ADSL MAC ID: 0005B409EBDB
L1103-0127
110110979
Logic components
Component Side
Infineon PSB 50610 E V1.4 (1YUSTC16M05)
RealTek RTL8201CP Single-Port 10/100M Fast Ethernet PHYceiver datasheet
RealTek RTL8100CL PCI/Mini-PCI Single-Chip Fast Ethernet Controller with Power Management datasheet
WE-MIDCOM, AE 52237, WI949LF1 EP13 SMD 12-pin, xDSL Signal transformer Annex A,B,C datasheet
Trace Side
MX T100144, 29LV320DBTI-70G, 3C791100. Macronix International Parallel Flash 32Mbit 3V. datasheet drivers
DDR CCED
ATMLH824, 46D 1, 7G4083M. Atmel AT93C46D 1Kbit (128 byte) 3-wire Serial EEPROM datasheet
CAT7196CA, LC11E37
HC595, 8C2T610, UnG08, 33D
Software Analysis
Software
Runtime System
Attached is a boot log of the 2.4.31-Danube-3.0.5g-A2PCI kernel.
# cat /proc/version Linux version 2.4.31-Danube-3.0.5g-A2PCI (root@localhost.localdomain) (gcc version 3.3.6) #8 �@ 8�� 4 17:34:46 CST 2008
# cat /proc/cmdline root=/dev/mtdblock2 ip=192.168.0.1:192.168.0.10::::eth0:on console=ttyS1,115200 ethaddr=00:05:B4:09:EB:DB mem=31M panic=1
# cat /proc/cpuinfo system type : DANUBE processor : 0 cpu model : unknown V4.1 BogoMIPS : 222.00 wait instruction : no microsecond timers : yes tlb_entries : 16 extra interrupt vector : yes hardware watchpoint : yes VCED exceptions : not available VCEI exceptions : not available
# for f in /proc/lspinfo/*; do echo $f; cat $f; done /proc/lspinfo/board_name Infineon Danube (MIPS 24Kec) Processor (big endian) /proc/lspinfo/build_id 1.5.1 /proc/lspinfo/lsp_name danube-mips-linux /proc/lspinfo/mvl_arch mips-linux /proc/lspinfo/revision 1 /proc/lspinfo/summary Board Name : Infineon Danube (MIPS 24Kec) Processor (big endian) Lsp Name : danube-mips-linux LSP Revision : 1.5.1.1 MVL Architecture : mips-linux
# cat /proc/danube_bcu DANUBE_EBU_BCU_CON : 0x4009ffff DANUBE_EBU_BCU_ECON : 0x00000000 DANUBE_EBU_BCU_EADD : 0x00000000 DANUBE_EBU_BCU_EDAT : 0x00000000 DANUBE_EBU_BCU_IRNEN : 0x00000001 DANUBE_EBU_BCU_IRNICR : 0x00000000 DANUBE_EBU_BCU_IRNCR : 0x00000000 # cat /proc/danube_cgu pll0 : N = 73, M = 7, K = 0 pll1 : N = 50, M = 6, K = 399 pll2 : N = 74, M = 8, INPUT DIV = 7 pll0_fosc = 333000000 pll0_fps(1) = 266400000 pll0_fps(2) = 222000000 pll0_fdiv = 41625000 pll1_fosc = 264289621 pll1_fps = 176193081 pll1_fdiv = 264289621 pll2_fosc = 294400000 pll2_fps(1) = 235520000 pll2_fps(2) = 261688889 mips0 clock = 333000000 mips1 clock = 333000000 cpu clock = 333000000 IO region = 166500000 FPI bus 1 = 166500000 FPI bus 2 = 83250000 PP32 clock = 261688889 PCI clock = 58880000 Ethernet MII0 = 24533333 Ethernet MII1 = 24533333 USB clock = 12000000 Clockout0 = 22024 Clockout1 = 43614815 Clockout2 = 24533333 Clockout3 = 11776000
# cat /proc/danube_pmu DANUBE_PMU_PROC_READ DANUBE_PMU_PWDCR(0xbf10201c) : 0x0211001a DANUBE_PMU_SR(0xbf102020) : 0x02110018
# cat /proc/danube_rcu DANUBE_RCU_REGISTERS DANUBE_RCU_STAT : 0x20260888 DANUBE_RCU_RST_REQ : 0x11000008
# cat /proc/danube_wdt DANUBE_BIU_WDT_PROC_READ DANUBE_BIU_WDT_CR(0xbf8803f0) : 0x00000000 DANUBE_BIU_WDT_SR(0xbf8803f8) : 0x00000000
# for f in /proc/danube_etop/*; do echo $f; cat $f; done /proc/danube_etop/DSCP_COS DSCP COS MAP: DSCP0 0 DSCP1 0 DSCP2 0 DSCP3 0 DSCP4 0 DSCP5 0 DSCP6 0 DSCP7 0 DSCP8 0 DSCP9 0 DSCP10 0 DSCP11 0 DSCP12 0 DSCP13 0 DSCP14 0 DSCP15 0 DSCP16 3 DSCP17 3 DSCP18 2 DSCP19 2 DSCP20 1 DSCP21 1 DSCP22 0 DSCP23 0 DSCP24 0 DSCP25 0 DSCP26 0 DSCP27 0 DSCP28 0 DSCP29 0 DSCP30 0 DSCP31 0 DSCP32 0 DSCP33 0 DSCP34 0 DSCP35 0 DSCP36 0 DSCP37 0 DSCP38 0 DSCP39 0 DSCP40 0 DSCP41 0 DSCP42 0 DSCP43 0 DSCP44 0 DSCP45 0 DSCP46 0 DSCP47 0 DSCP48 0 DSCP49 0 DSCP50 0 DSCP51 0 DSCP52 0 DSCP53 0 DSCP54 0 DSCP55 0 DSCP56 0 DSCP57 0 DSCP58 0 DSCP59 0 DSCP60 0 DSCP61 0 DSCP62 0 DSCP63 0 /proc/danube_etop/VLAN_COS VLAN COS MAP Pri 0 3 Pri 1 3 Pri 2 2 Pri 3 2 Pri 4 1 Pri 5 1 Pri 6 0 Pri 7 0 /proc/danube_etop/register etop register 118102 packets from protocol stack received
# for f in /proc/danube_dma/*; do echo $f; cat $f; done /proc/danube_dma/channel_weight channel 0 00000064 channel 1 00000064 channel 2 00000064 channel 3 00000064 channel 4 00000064 channel 5 00000064 channel 6 00000002 channel 7 00000064 channel 8 00000064 channel 9 00000064 channel 10 00000064 channel 11 00000064 channel 12 00000064 channel 13 00000064 channel 14 00000064 channel 15 00000064 channel 16 00000064 channel 17 00000064 channel 18 00000064 channel 19 00000064 /proc/danube_dma/dma_register register of DMA: /proc/danube_dma/g_desc_list descriptor list:
# for f in /proc/driver/*; do echo $f; cat $f; done
/proc/driver/danube_port
Danube Port Settings
3 2 1 0
10987654321098765432109876543210
----------------------------------------
P0-OUT: XXXXXXXXXXX XX X
P1-OUT: XX XXX X XXX
P0-IN: X XX XXX X
P1-IN: XXX XXX XX XX X
P0-DIR: X XX X XXXX
P1-DIR: XX XXXXXX XXXX
P0-STO:
P1-STO:
P0-PUDE: X
P1-PUDE: X X XX X
P0-OD: X XXXXX XXXX
P1-OD: XXX XXXXXX XXXX
P0-PUDS: X
P1-PUDS: X X X X
P0_ALT0: X XXXX XXXX
P0_ALT1:
P1_ALT0: X XX XXX
P1_ALT1:
/proc/driver/ifx_asc
IFX ASC Debug
Port ASC0
rx_bytes_count=0
tx_bytes_count=0
rx_overrun_error_count=0
rx_parity_error_count=0
rx_frame_error_count=0
Port ASC1
rx_bytes_count=0
tx_bytes_count=62205
rx_overrun_error_count=0
rx_parity_error_count=0
rx_frame_error_count=0
/proc/driver/ssc1
Statistics for Infineon Synchronous Serial Controller SSC1
RX overflow errors 0
RX underflow errors 0
TX overflow errors 0
TX underflow errors 0
Abort errors 0
Mode errors 0
RX Bytes 0
TX Bytes 0
# for f in /proc/mei/*; do echo $f; cat $f; done /proc/mei/Recent_indicator 0x0F11 0x0000 0x0000 0x0000 0x0000 0x0000 0x0000 0x0000 0x0000 0x0000 0x0000 0x0000 0x0000 0x0000 /proc/mei/arcmsgav 0x00000000 /proc/mei/cmv_count 0x00196CA9 /proc/mei/cmv_reply 0x00000001 /proc/mei/cmv_waiting 0x00000000 /proc/mei/indicator_count 0x000005CA /proc/mei/reply_count 0x00196CA9 /proc/mei/version 2.1.1.8.0.1 6/12 6:40
# for f in /proc/ppe/*; do echo $f; cat $f; done
/proc/ppe/idle_counter
Channel 0
TX
DREG_AT_CELL0 = 0
DREG_AT_IDLE_CNT0 = 3
RX
DREG_AR_CELL0 = 0
DREG_AR_IDLE_CNT0 = 0
DREG_AR_AIIDLE_CNT0 = 0
DREG_AR_BE_CNT0 = 0
Channel 1
TX
DREG_AT_CELL1 = 0
DREG_AT_IDLE_CNT1 = 0
RX
DREG_AR_CELL1 = 0
DREG_AR_IDLE_CNT1 = 0
DREG_AR_AIIDLE_CNT1 = 0
DREG_AR_BE_CNT1 = 0
/proc/ppe/stats
ATM Stats:
VCC 0.0.38 (stats)
rx = 0
rx_err = 0
rx_drop = 0
tx = 1460
tx_err = 91969
# for f in /proc/sys/abi/*; do echo $f; cat $f; done /proc/sys/abi/defhandler_coff 117440515 /proc/sys/abi/defhandler_elf 0 /proc/sys/abi/defhandler_lcall7 68157441 /proc/sys/abi/defhandler_libcso 68157441 /proc/sys/abi/fake_utsname 0 /proc/sys/abi/trace 0
# cat /proc/iomem 00000000-01efffff : System RAM 00002c80-001c31c7 : Kernel code 001df000-001fafff : Kernel data
# cat /proc/loadavg 1.00 1.00 1.00 2/23 7753
# cat /proc/meminfo
total: used: free: shared: buffers: cached:
Mem: 30056448 14893056 15163392 0 1310720 5365760
Swap: 0 0 0
MemTotal: 29352 kB
MemFree: 14808 kB
MemShared: 0 kB
Buffers: 1280 kB
Cached: 5240 kB
SwapCached: 0 kB
Active: 3956 kB
Inactive: 2596 kB
HighTotal: 0 kB
HighFree: 0 kB
LowTotal: 29352 kB
LowFree: 14808 kB
SwapTotal: 0 kB
SwapFree: 0 kB
# cat /proc/modules ifx_nfext_ppp 484 0 (unused) ifx_nfext_core 944 0 [ifx_nfext_ppp]
# cat /proc/stat cpu 3889 0 11244 12367094 cpu0 3889 0 11244 12367094 page 4033 0 swap 0 0 intr 2329068 0 0 0 0 0 0 0 76501 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2226503 0 0 0 0 0 0 0 0 0 0 0 0 0 0 23270 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2792 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 disk_io: ctxt 32068788 btime 946684800 processes 7759
# cat /proc/mtd dev: size erasesize name mtd0: 00030000 00010000 "U-Boot" mtd1: 00020000 00010000 "Environment" mtd2: 00230000 00010000 "rootfs" mtd3: 00120000 00010000 "Linux" mtd4: 00040000 00010000 "firmware" mtd5: 00010000 00010000 "User-Data" mtd6: 00010000 00010000 "voip-Data"
# mount /dev/root on / type squashfs (ro) proc on /proc type proc (rw) /dev/ram on /ramdisk type ramfs (rw) /dev/ram on /dev type ramfs (rw) /dev/mtdblock/4 on /firmware type squashfs (ro)
Static Analysis
After retrieving the MTD partition images via TFTP:
$ ls -l -rw-r--r-- 1 tj tj 196608 2012-02-19 15:51 mtd0-U-Boot.bin -rw-r--r-- 1 tj tj 131072 2012-02-19 15:51 mtd1-Environment.bin -rw-r--r-- 1 tj tj 2293760 2012-02-19 15:54 mtd2-rootfs.bin -rw-r--r-- 1 tj tj 1179648 2012-02-19 15:55 mtd3-Linux.bin -rw-r--r-- 1 tj tj 262144 2012-02-19 15:55 mtd4-firmware.bin -rw-r--r-- 1 tj tj 65536 2012-02-19 15:56 mtd5-User-Data.bin
mtd0 - U-Boot
U-Boot 1.0.6 (Jan 25 2011 - 10:08:10)
mtd2 - rootfs
drwxr-xr-x 2 root root 004096 2008-08-04 10:35 bin drwxr-xr-x 2 root root 004096 2008-08-04 10:35 dev drwxr-xr-x 5 root root 004096 2008-08-04 10:35 etc drwxr-xr-x 2 root root 004096 2006-07-12 08:20 firmware lrwxrwxrwx 1 root root 000013 2012-02-19 18:21 flash drwxr-xr-x 3 root root 004096 2008-08-04 10:35 lib drwxr-xr-x 2 root root 004096 2006-07-12 08:20 proc drwxr-xr-x 2 root root 004096 2006-07-12 08:20 ramdisk drwxr-xr-x 8 root root 004096 2008-08-04 10:35 ramdisk_copy drwxr-xr-x 2 root root 004096 2008-08-04 10:35 root drwxr-xr-x 2 root root 004096 2008-08-04 10:35 sbin lrwxrwxrwx 1 root root 000011 2012-02-19 18:21 tmp drwxr-xr-x 6 root root 004096 2007-07-04 08:52 usr lrwxrwxrwx 1 root root 000011 2012-02-19 18:21 var -rwxr-xr-x 1 root root 398996 2008-08-04 10:35 ./bin/busybox -rwxr-xr-x 1 root root 095092 2008-08-04 10:35 ./bin/msh -rwxrwxrwx 1 root root 000901 2006-07-12 08:22 ./etc/codeclist -rwxrwxrwx 1 root root 000350 2006-07-12 08:22 ./etc/fstab -rwxrwxrwx 1 root root 000014 2006-07-12 08:22 ./etc/group -rwxrwxrwx 1 root root 000026 2006-07-12 08:22 ./etc/host.conf -rwxrwxrwx 1 root root 000123 2006-07-12 08:22 ./etc/inittab -rwxrwxrwx 1 root root 000377 2006-07-12 08:22 ./etc/modules.conf -rwxrwxrwx 1 root root 000794 2006-12-29 09:56 ./etc/ppp/ip-down -rwxrwxrwx 1 root root 001142 2006-12-29 09:51 ./etc/ppp/ip-up -rw-r--r-- 1 root root 004040 2008-08-04 10:35 ./etc/rc.conf.gz -rwxrwxrwx 1 root root 000589 2006-07-12 08:22 ./etc/rc.d/adsl_up -rwxrwxrwx 1 root root 000369 2008-05-06 03:41 ./etc/rc.d/backup -rwxrwxrwx 1 root root 000481 2006-07-12 08:22 ./etc/rc.d/backup_voip -rwxrwxrwx 1 root root 000075 2006-07-12 08:22 ./etc/rc.d/checkpid -rwxrwxrwx 1 root root 000770 2008-08-04 10:34 ./etc/rc.d/config.sh -rwxrwxrwx 1 root root 000450 2006-07-12 08:22 ./etc/rc.d/get_lan_if -rwxrwxrwx 1 root root 001118 2006-07-12 08:21 ./etc/rc.d/get_wan_if -rwxrwxrwx 1 root root 001091 2007-08-15 10:41 ./etc/rc.d/init.d/contentblock -rwxrwxrwx 1 root root 000516 2006-07-12 08:21 ./etc/rc.d/init.d/ddns -rwxrwxrwx 1 root root 001481 2008-07-03 02:55 ./etc/rc.d/init.d/ddns_start -rwxrwxrwx 1 root root 000403 2008-05-05 08:15 ./etc/rc.d/init.d/ddns_stop -rwxrwxrwx 1 root root 001729 2006-07-12 08:20 ./etc/rc.d/init.d/httpd -rwxrwxrwx 1 root root 000306 2006-09-15 09:20 ./etc/rc.d/init.d/igmp -rwxrwxrwx 1 root root 000967 2006-09-15 09:20 ./etc/rc.d/init.d/igmp_start -rwxrwxrwx 1 root root 000129 2006-09-15 09:20 ./etc/rc.d/init.d/igmp_stop -rwxrwxrwx 1 root root 000411 2006-07-12 08:21 ./etc/rc.d/init.d/inetd -rwxrwxrwx 1 root root 004525 2006-07-12 08:21 ./etc/rc.d/init.d/inetd_start -rwxrwxrwx 1 root root 000438 2006-07-12 08:21 ./etc/rc.d/init.d/kill_ppp_proc -rwxrwxrwx 1 root root 001012 2006-07-12 08:21 ./etc/rc.d/init.d/ntpc -rwxrwxrwx 1 root root 000578 2007-06-04 02:22 ./etc/rc.d/init.d/ntpc_start -rwxrwxrwx 1 root root 000651 2007-06-04 02:54 ./etc/rc.d/init.d/ntpc_stop -rwxrwxrwx 1 root root 000529 2006-07-12 08:21 ./etc/rc.d/init.d/pif -rwxrwxrwx 1 root root 001282 2006-07-12 08:21 ./etc/rc.d/init.d/pif_start -rwxrwxrwx 1 root root 000820 2007-10-05 02:43 ./etc/rc.d/init.d/pif_stop -rwxrwxrwx 1 root root 006379 2006-07-12 08:21 ./etc/rc.d/init.d/qos -rwxrwxrwx 1 root root 004838 2006-07-12 08:21 ./etc/rc.d/init.d/qos_apply_priority -rwxrwxrwx 1 root root 004184 2006-07-12 08:21 ./etc/rc.d/init.d/qos_init -rwxrwxrwx 1 root root 006043 2006-07-12 08:21 ./etc/rc.d/init.d/qos_rate_update -rwxrwxrwx 1 root root 010238 2006-07-12 08:21 ./etc/rc.d/init.d/qos_start -rwxrwxrwx 1 root root 000838 2006-07-12 08:20 ./etc/rc.d/init.d/qos_start_lan -rwxrwxrwx 1 root root 001162 2006-07-12 08:20 ./etc/rc.d/init.d/qos_start_wan -rwxrwxrwx 1 root root 006011 2006-07-12 08:21 ./etc/rc.d/init.d/qos_stop -rwxrwxrwx 1 root root 000836 2006-07-12 08:21 ./etc/rc.d/init.d/qos_stop_lan -rwxrwxrwx 1 root root 001130 2006-07-12 08:21 ./etc/rc.d/init.d/qos_stop_wan -rwxrwxrwx 1 root root 010566 2008-07-02 04:55 ./etc/rc.d/init.d/rcS -rwxrwxrwx 1 root root 001008 2006-07-12 08:21 ./etc/rc.d/init.d/ripd -rwxrwxrwx 1 root root 001397 2006-07-12 08:20 ./etc/rc.d/init.d/ripd_start -rwxrwxrwx 1 root root 000101 2006-07-12 08:21 ./etc/rc.d/init.d/ripd_stop -rwxrwxrwx 1 root root 000623 2006-12-29 08:17 ./etc/rc.d/init.d/udhcpc -rwxrwxrwx 1 root root 000606 2007-07-18 01:55 ./etc/rc.d/init.d/udhcpd -rwxrwxrwx 1 root root 001442 2007-07-18 01:41 ./etc/rc.d/init.d/udhcpd_start -rwxrwxrwx 1 root root 002630 2008-06-13 06:20 ./etc/rc.d/init.d/upnp -rwxrwxrwx 1 root root 001055 2007-08-15 08:59 ./etc/rc.d/init.d/urlblock -rwxrwxrwx 1 root root 000368 2007-07-30 07:28 ./etc/rc.d/init.d/vlan -rwxrwxrwx 1 root root 000701 2007-10-04 11:06 ./etc/rc.d/init.d/vlan_common.sh -rwxrwxrwx 1 root root 002419 2006-12-26 07:25 ./etc/rc.d/init.d/vlan_membership_apply -rwxrwxrwx 1 root root 003511 2007-10-05 02:44 ./etc/rc.d/init.d/vlan_start -rwxrwxrwx 1 root root 001259 2007-10-05 02:27 ./etc/rc.d/init.d/vlan_stop -rwxrwxrwx 1 root root 002028 2007-10-04 04:50 ./etc/rc.d/init.d/wds -rwxr--r-- 1 root root 003104 2008-07-02 04:47 ./etc/rc.d/init.d/wps -rwxrwxrwx 1 root root 000695 2006-07-12 08:22 ./etc/rc.d/install_mps_devices.sh -rwxrwxrwx 1 root root 000704 2006-07-12 08:22 ./etc/rc.d/invoke_upgrade.sh -rwxrwxrwx 1 root root 000463 2006-07-12 08:22 ./etc/rc.d/killproc -rwxrwxrwx 1 root root 000117 2008-08-04 10:34 ./etc/rc.d/model_config.sh -rwxrwxrwx 1 root root 000291 2006-07-12 08:22 ./etc/rc.d/rc.bringup_adsl -rwxrwxrwx 1 root root 001646 2006-09-14 05:08 ./etc/rc.d/rc.bringup_adsl_start -rwxrwxrwx 1 root root 000264 2006-07-12 08:22 ./etc/rc.d/rc.bringup_adsl_stop -rwxrwxrwx 1 root root 000288 2006-07-12 08:22 ./etc/rc.d/rc.bringup_lan -rwxrwxrwx 1 root root 002108 2007-10-05 06:38 ./etc/rc.d/rc.bringup_lan_start -rwxrwxrwx 1 root root 000958 2007-07-17 10:54 ./etc/rc.d/rc.bringup_lan_stop -rwxrwxrwx 1 root root 000308 2006-07-12 08:21 ./etc/rc.d/rc.bringup_services -rwxrwxrwx 1 root root 003343 2007-08-13 02:43 ./etc/rc.d/rc.bringup_services_start -rwxrwxrwx 1 root root 001211 2007-07-17 10:46 ./etc/rc.d/rc.bringup_services_stop -rwxrwxrwx 1 root root 001878 2007-08-15 10:58 ./etc/rc.d/rc.firewall -rwxrwxrwx 1 root root 001012 2007-08-15 08:55 ./etc/rc.d/rc.firewall_start -rwxrwxrwx 1 root root 000161 2006-07-12 08:22 ./etc/rc.d/save_calibrate -rwxrwxrwx 1 root root 000138 2006-07-12 08:22 ./etc/rc.d/save_fwdiag -rwxrwxrwx 1 root root 001196 2006-12-29 08:28 ./etc/rc.d/udhcpc.script -rwxrwxrwx 1 root root 000076 2006-07-12 08:22 ./etc/services -rwxrwxrwx 1 root root 001781 2006-07-12 08:22 ./etc/snmpd.conf -rw-r--r-- 1 root root 000007 2008-08-04 10:34 ./etc/version -rwxrwxrwx 1 root root 000480 2006-07-12 08:22 ./etc/voip.conf.tgz -rwxrwxrwx 1 root root 008192 2008-01-14 00:36 ./etc/Wireless/RT2860AP/rt2860-1.bin -rwxr--r-- 1 root root 008192 2008-01-09 17:40 ./etc/Wireless/RT2860AP/rt2860.bin -r-xr-xr-x 1 root root 024392 2008-08-04 10:35 ./lib/ld-uClibc-0.9.27.so -r-xr-xr-x 1 root root 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./usr/web/qos_diffserv.asp -rwxrwxrwx 1 root root 002520 2007-05-14 03:39 ./usr/web/qos_main.asp -rwxrwxrwx 1 root root 009063 2007-05-14 03:39 ./usr/web/qos_priority_add.asp -rwxrwxrwx 1 root root 001866 2007-05-14 03:39 ./usr/web/qos_priority.asp -rwxrwxrwx 1 root root 003809 2007-05-14 03:39 ./usr/web/route_dynamic.asp -rwxrwxrwx 1 root root 000618 2007-05-14 03:39 ./usr/web/route_main.htm -rwxrwxrwx 1 root root 004934 2007-05-15 06:18 ./usr/web/route_static.asp -rwxrwxrwx 1 root root 001394 2007-05-14 03:39 ./usr/web/route_table.asp -rwxrwxrwx 1 root root 010048 2007-05-14 03:39 ./usr/web/script.js -rwxrwxrwx 1 root root 002701 2007-05-14 03:39 ./usr/web/servers_acl.asp -rwxrwxrwx 1 root root 000681 2007-05-14 03:39 ./usr/web/setup_main.htm -rwxrwxrwx 1 root root 001096 2007-05-14 03:39 ./usr/web/setup_top.htm -rwxrwxrwx 1 root root 003108 2008-01-09 08:41 ./usr/web/snmp_settings.asp -rwxrwxrwx 1 root root 002256 2006-06-29 10:06 ./usr/web/snrbgscript.js -rwxrwxrwx 1 root root 002114 2007-05-14 03:39 ./usr/web/style.css -rwxrwxrwx 1 root root 003219 2008-02-20 05:33 ./usr/web/system_basic.asp -rwxrwxrwx 1 root root 002783 2007-05-14 03:39 ./usr/web/system_hostname.asp -rwxrwxrwx 1 root root 001470 2007-06-22 01:36 ./usr/web/system_log.asp -rwxrwxrwx 1 root root 000594 2007-05-14 03:39 ./usr/web/system_main.htm -rwxrwxrwx 1 root root 003666 2007-05-14 03:39 ./usr/web/system_password.htm -rwxrwxrwx 1 root root 000666 2007-05-14 03:39 ./usr/web/system_passwordok.htm -rwxrwxrwx 1 root root 001988 2007-05-14 03:39 ./usr/web/system_reset.htm -rwxrwxrwx 1 root root 000741 2007-05-14 03:39 ./usr/web/system_reset_return.htm -rwxrwxrwx 1 root root 008349 2007-10-22 02:41 ./usr/web/system_status.asp -rwxrwxrwx 1 root root 007330 2007-05-14 03:39 ./usr/web/system_time.asp -rwxrwxrwx 1 root root 003340 2007-05-14 03:39 ./usr/web/system_upgrade.asp -rwxrwxrwx 1 root root 000794 2007-05-14 03:39 ./usr/web/tools_restore_return.htm -rwxrwxrwx 1 root root 005230 2007-05-14 03:39 ./usr/web/tr037.asp -rwxrwxrwx 1 root root 000860 2007-05-14 03:39 ./usr/web/upgrade_firm_return.htm -rwxrwxrwx 1 root root 008527 2007-05-14 03:39 ./usr/web/user_password.asp -rwxrwxrwx 1 root root 002026 2007-01-09 06:39 ./usr/web/vdsl2_activate_deactivate.asp -rwxrwxrwx 1 root root 004555 2007-01-09 06:39 ./usr/web/vdsl2_bands_config.asp -rwxrwxrwx 1 root root 001681 2007-01-09 06:39 ./usr/web/vdsl2_bits_graph.asp -rwxrwxrwx 1 root root 002688 2007-01-09 06:39 ./usr/web/vdsl2_channel_config.asp -rwxrwxrwx 1 root root 001459 2007-01-09 06:39 ./usr/web/vdsl2_channel_status.asp -rwxrwxrwx 1 root root 002396 2007-01-09 06:39 ./usr/web/vdsl2_line_config.asp -rwxrwxrwx 1 root root 001440 2007-01-09 06:39 ./usr/web/vdsl2_line_status.asp -rwxrwxrwx 1 root root 002257 2007-01-09 06:39 ./usr/web/vdsl2_loop_back.asp -rwxrwxrwx 1 root root 000536 2007-01-09 06:39 ./usr/web/vdsl2_main.asp -rwxrwxrwx 1 root root 001991 2007-01-09 06:39 ./usr/web/vdsl2_profile_config.asp -rwxrwxrwx 1 root root 001782 2007-01-09 06:39 ./usr/web/vdsl2_snr_graph.asp -rwxrwxrwx 1 root root 001237 2007-01-09 06:39 ./usr/web/vdsl2_version_info.asp -rwxrwxrwx 1 root root 003984 2007-01-09 06:39 ./usr/web/vdsl2_wan_main.asp -rwxrwxrwx 1 root root 006850 2007-01-09 06:39 ./usr/web/vdsl2_wan_status.asp -rwxrwxrwx 1 root root 004199 2007-01-09 06:39 ./usr/web/vdsl2_wan_vcc_select.asp -rwxrwxrwx 1 root root 001430 2007-01-09 06:39 ./usr/web/vdsl2_xtcstatus.asp -rwxrwxrwx 1 root root 011467 2007-10-05 10:08 ./usr/web/vlan_bridge.asp -rwxrwxrwx 1 root root 001523 2007-05-15 04:22 ./usr/web/wan_dhcp.asp -rwxrwxrwx 1 root root 004668 2007-05-14 03:39 ./usr/web/wan_dns.asp -rwxrwxrwx 1 root root 003774 2007-05-14 03:39 ./usr/web/wan_main.asp -rwxrwxrwx 1 root root 003774 2007-05-15 04:23 ./usr/web/wan_pppoa.asp -rwxrwxrwx 1 root root 003827 2007-05-15 04:21 ./usr/web/wan_pppoe.asp -rwxrwxrwx 1 root root 005776 2007-05-15 04:23 ./usr/web/wan_static.asp -rwxrwxrwx 1 root root 006211 2007-05-14 03:39 ./usr/web/wan_status.asp -rwxrwxrwx 1 root root 003979 2007-05-14 03:39 ./usr/web/wan_vcc_select.asp
mtd3-Linux
The Linux kernel image in mtd3 is GZ-compressed. I created a simple shell script vmlinuz-uncompress.sh to uncompress it so it can be examined:
#!/bin/sh
# uncompress a Linux kernel image
if [ ! -z "$1" ]; then
# find the GZ header offset
GZ_ID="1f 8b 08 00"
GZ_HEADER=`od -A d -t x1 $1 | grep "$GZ_ID"`
GZ_OFFSET=`echo $GZ_HEADER | awk '{printf("%d", $1)}'`
GZ_INDEX=`echo $GZ_HEADER | awk "BEGIN{GZ_ID=$GZ_ID;idx=0}"'{for(i=8;i<length($0);i+=3){if(GZ_ID==substr($0,i,12)){idx=(i-8)/3}}}END{printf "%d", idx}'`
GZ_OFFSET=$(($GZ_OFFSET+$GZ_INDEX))
echo $GZ_OFFSET
dd if="$1" bs=1 skip=$GZ_OFFSET | zcat > "$1".uncompressed.bin
fi
The script results in a new uncompressed vmliux-style image with ".uncompressed.bin" suffixed, e.g. mtd3-Linux.bin.uncompressed.bin.
I've attached the strings output on the uncompressed file.
Building from Source
I'm recording my experiences and observations on building from source and whether the built binaries match those installed on the device. My primary aim is to add the PopTop PPTP daemon into the firmware images so that the host CPU can create a standard PPP link and manage it directly, rather than having to route packets from the embedded device and manage separate Net Filter rules on it and the host gateway. See Installing PPTP for my progress.
The source-code bundle provided by Linitx, which I gather comes to them from LEX Computech, contains several archives which when expanded provide three major sub-directories:
ls -l total 235452 drwxrwxr-x 4 tj tj 4096 2007-03-23 08:29 kernel -rw-rw-r-- 1 tj tj 58004213 2010-01-19 12:42 kernel.rar drwxrwxr-x 35 tj tj 4096 2008-11-10 16:18 opensource -rw-rw-r-- 1 tj tj 162767502 2010-01-19 12:42 opensource.rar drwxrwxr-x 3 tj tj 4096 2006-03-01 11:27 uclibc-toolchain -rw-rw-r-- 1 tj tj 20306695 2010-01-19 12:42 uclibc-toolchain_lxdb1.1.tar.bz2
uCLIB Toolchain
The toolchain is a cross-build for the MIPS uclib target to run on a 32-bit Intel x86 host. GCC version is 3.3.6.
The installation path used by LEX Computech is /opt/uclibc-toolchain/ifx-lxdb-1-1/gcc-3.3.6/toolchain-mips/ but that can be changed using the supplied bin/setup-toolchain.sh. This script re-generates shell include scripts that configure the environment for using the toolchain. It will replace bin/toolchain-env.sh (for sh/ash/dash/bash shells) and bin/toolchain-env.csh (for C-shell).
After extracting the toolchain archive I copied the toolchain-mips directory and all its contents to /usr/local/mips-toolchain-3.3.6. I did this because I keep all my cross-compiler installations for other target CPUs there as well. That results in:
ls -l /usr/local/mips-toolchain-3.3.6/ total 36 drwxrwxr-x 2 tj adm 4096 2006-03-23 10:12 bin drwxrwxr-x 2 tj adm 4096 2005-09-13 04:41 bin-ccache drwxrwxr-x 18 tj adm 4096 2005-09-13 04:59 include drwxrwxr-x 2 tj adm 4096 2005-09-13 09:01 info drwxrwxr-x 5 tj adm 4096 2006-02-24 17:40 lib drwxrwxr-x 6 tj adm 4096 2005-09-13 04:43 man lrwxrwxrwx 1 tj adm 17 2006-03-23 10:09 mips-linux -> mips-linux-uclibc drwxrwxr-x 4 tj adm 4096 2005-09-29 14:40 mips-linux-uclibc drwxrwxr-x 2 tj adm 4096 2006-02-24 17:45 opt-lib drwxrwxr-x 6 tj adm 4096 2006-02-28 08:45 usr
Run the bin/setup-toolchain.sh shell script to generate the correct environment:
cd /usr/local/mips-toolchain-3.3.6/bin ./setup-toolchain.sh Setup of tool chain is complete ls -l toolchain-env.* -rwxrwxr-x 1 tj adm 394 2012-03-04 17:18 toolchain-env.csh -rwxrwxr-x 1 tj adm 261 2012-03-04 17:18 toolchain-env.sh
bin/toolchain-env.sh:
PATH=/usr/local/mips-toolchain-3.3.6/bin:/usr/local/mips-toolchain-3.3.6/usr/bin:$PATH
export PATH
MANPATH="${MANPATH}:/usr/local/mips-toolchain-3.3.6/man"
export MANPATH
CCACHE_PATH=/usr/local/mips-toolchain-3.3.6/bin-ccache:$CCACHE_PATH
export CCACHE_PATH
bin/toolchain-env.csh:
set path = (/usr/local/mips-toolchain-3.3.6/bin $path)
if ( $?MANPATH ) then
setenv MANPATH "${MANPATH}:/usr/local/mips-toolchain-3.3.6/man"
else
setenv MANPATH ":/usr/local/mips-toolchain-3.3.6/man"
endif
if ( $?CCACE_PATH ) then
setenv CCACE_PATH "${CCACE_PATH}:/usr/local/mips-toolchain-3.3.6/bin-ccache"
else
setenv CCACE_PATH ":/usr/local/mips-toolchain-3.3.6/bin-ccache"
endif
It is necessary to source one of these files each time a new shell is opened. The files should NOT be sourced more than once for each shell opened or the paths will contain multiple insertions of the toolchain path. For sh/dash/bash that means:
. /usr/local/mips-toolchain-3.3.6/bin/toolchain-env.sh
The source-code to uClibc is not provided.
Kernel
The source-code for the Linux 2.4.31 kernel provided is incomplete. It is missing critical custom amendments by Infineon and LEX Computech. Amongst the problems is that the Danube-specific architecture code (arch/mips/infineon/danube/) is not used, and there is no reference anywhere in the source-code to the "A2PCI" kernel extra-version string as reported by the running kernel:
Linux version 2.4.31-Danube-3.0.5g-A2PCI
The code as provided will build a vmlinux ELF image but is missing key parts of the Danube code.
Opensource
Note: Before making any changes or attempting builds of any of the projects I created git repositories in each project directory so that I could track changes and also return to the original state at any time.
git init git add . git commit -m "Original state of project"
There are a large collection of project sources included, some of which are not relevant to the ADSL (e.g. atheros, distisdn, isdn4k-utils, sip, wireless_tools):
ls -l ../opensource total 81700 drwxrwxr-x 12 tj tj 4096 2007-07-04 15:38 atheros drwxrwxr-x 2 tj tj 4096 2009-12-14 13:45 br2684ctl-20040226-1 drwxrwxr-x 7 tj tj 4096 2009-12-14 13:45 bridge-utils drwxrwxr-x 29 tj tj 4096 2012-03-04 16:53 busybox-1.00 drwxrwxr-x 2 tj tj 4096 2007-05-18 11:37 distisdn drwxrwxr-x 5 tj tj 4096 2009-12-14 13:45 dnrd-2.19 drwxrwxr-x 4 tj tj 4096 2009-12-14 13:45 ez-ipupdate-3.0.11b7 drwxrwxr-x 4 tj tj 4096 2007-05-18 11:37 iclsip_1.6.9wPCA -rw-rw-r-- 1 tj tj 21768019 2007-03-06 17:56 iclsip_1.6.9wPCA030600.rar -rw-rw-r-- 1 tj tj 21828916 2007-03-05 17:52 iclsip_1.6.9wPCA.rar drwxrwxr-x 13 tj tj 4096 2007-05-18 11:37 iproute2 drwxrwxr-x 8 tj tj 4096 2009-12-14 13:45 iptables-1.2.9 drwxrwxr-x 41 tj tj 4096 2007-05-18 11:37 isdn4k-utils drwxrwxr-x 41 tj tj 4096 2007-05-18 11:37 isdn4k-utils-ori drwxrwxr-x 6 tj tj 4096 2009-12-14 13:45 linux-atm-2.4.1 drwxrwxr-x 2 tj tj 4096 2007-05-18 11:37 linux-ftpd-0.17 drwxrwxr-x 12 tj tj 4096 2007-05-18 11:37 mtd drwxrwxr-x 2 tj tj 4096 2007-05-18 11:37 net-snmp-5.1 drwxrwxr-x 3 tj tj 4096 2009-12-14 13:45 noip-2.1.3 drwxrwxr-x 2 tj tj 4096 2009-12-14 13:45 ntpclient drwxrwxr-x 4 tj tj 4096 2007-08-30 14:53 OpenAgent2.0 drwxrwxr-x 15 tj tj 4096 2009-12-14 13:45 ppp-2.4.2 drwxrwxr-x 8 tj tj 4096 2007-05-18 11:37 rp-pppoe-3.5 drwxrwxr-x 5 tj tj 4096 2008-09-01 15:52 RT2860 drwxrwxr-x 6 tj tj 4096 2007-11-20 15:31 RT2860-1.6.0.0 drwxrwxr-x 5 tj tj 4096 2008-07-02 11:12 RT2860-1.7.0.0 drwxrwxr-x 5 tj tj 4096 2008-06-19 16:59 RT2860-1.8.1.0 drwxrwxr-x 5 tj tj 4096 2008-01-11 17:10 RT2860_backup -rw-rw-r-- 1 tj tj 20125203 2007-03-23 14:06 sip070323.tar.bz2 -rw-rw-r-- 1 tj tj 19795648 2007-03-07 09:31 sip.tar.bz2 drwxrwxr-x 4 tj tj 4096 2007-10-19 13:57 stund drwxrwxr-x 6 tj tj 4096 2009-12-14 13:46 sysstat-6.0.1 drwxrwxr-x 2 tj tj 4096 2007-05-18 11:37 tftp-hpa-0.40 drwxrwxr-x 5 tj tj 4096 2008-06-12 11:57 upnp-opensource drwxrwxr-x 4 tj tj 4096 2007-05-18 11:38 upnp-opensource_old drwxrwxr-x 2 tj tj 4096 2009-12-14 13:45 wireless_tools.27 drwxrwxr-x 14 tj tj 4096 2009-12-14 13:46 zebra-0.94
Busybox
I began with busybox, wanting to establish if the source-code as provided would build the same binaries as installed in the device. I had previously taken a local image of each of the file-systems on the embedded flash device and extracted them to the local host PC.
md5sum ../../firmware/rootfs/squashfs-root/bin/busybox d485fd4c2fe10f268cb1b96bcbdc54eb ../../firmware/rootfs/squashfs-root/bin/busybox
As provided the archives include built binaries (apparently the archive was created without first cleaning the source tree). These binaries do not match those on the device:
md5sum busybox-1.00/busybox 92dda93bb6c500ccc56b133fb6e5801e busybox-1.00/busybox
However, it is possible that a clean build might match. So I cleaned the source tree:
make clean
rm -f docs/busybox.dvi docs/busybox.ps \
docs/busybox.pod docs/busybox.net/busybox.html \
docs/busybox pod2htm* *.gdb *.elf *~ core .*config.log \
docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html \
docs/busybox.net/BusyBox.html busybox.links libbb/loop.h \
.config.old .hdepend busybox
rm -rf _install
find . -name .\*.flags -exec rm -f {} \;
find . -name \*.o -exec rm -f {} \;
find . -name \*.a -exec rm -f {} \;
Then attempted a build. It fails after some time with:
make ... mips-linux-gcc -I/home/all/SourceCode/adsl_card_source/source/opensource/busybox-1.00/include -I/home/all/SourceCode/adsl_card_source/source/opensource/busybox-1.00/include -I/home/all/SourceCode/adsl_card_source/source/opensource/busybox-1.00/libbb -Wall -Wstrict-prototypes -Wshadow -Os -fomit-frame-pointer -D_GNU_SOURCE -DNDEBUG -mips32 -mtune=4kc -ggdb -DIFX_WEB_SUPPORT -DIFX_SMALL_FOOTPRINT -DIFX_SMALL_AREASIZE -DIFX_ENVSPECIAL_MEM -DIFX_INETD_ENHANCEMENT -c -o /home/all/SourceCode/adsl_card_source/source/opensource/busybox-1.00/networking/httpd.o /home/all/SourceCode/adsl_card_source/source/opensource/busybox-1.00/networking/httpd.c /home/all/SourceCode/adsl_card_source/source/opensource/busybox-1.00/networking/httpd.c:128:24: ifx_config.h: No such file or directory /home/all/SourceCode/adsl_card_source/source/opensource/busybox-1.00/networking/httpd.c: In function `miniHttpd': /home/all/SourceCode/adsl_card_source/source/opensource/busybox-1.00/networking/httpd.c:2189: warning: statement with no effect make: *** [/home/all/SourceCode/adsl_card_source/source/opensource/busybox-1.00/networking/httpd.o] Error 1
The file is not provided in the source-code nor is it generated. See Missing Files > Busybox.
Missing Files
This is a central list of files that are:
- missing from the source-code distribution
- not being generated by automated tools
uClibv 0.9.27
It does not contain the source-code uClibc 0.9.27, which is included in the toolchain.U-boot 1.0.6
It does not contain the source-code to U-boot 1.0.6, which is used in the device's boot partition.I've contacted Linitx asking for the U-boot source and they have passed on my request to LEX Computech on 27th February 2012:
Thank you for your email. We have forwarded the details to LEX Computech and have asked them to support you directly. Regards, Chris.
Busybox
ifx_config.h required by networking/httpd.c The file is not provided in the source-code nor is it generated as far as I can tell:
find /home/all/SourceCode/adsl_card_source/source -iname ifx_config.h find /usr/local/mips-toolchain-3.3.6 -iname ifx_config.h grep -rn ifx_config.h ../* ../busybox-1.00/networking/httpd.c:128:#include "ifx_config.h" grep -rn ifx_config.h /usr/local/mips-toolchain-3.3.6/*
According to build.sh the files Path.sh and config.sh should be present in the parent hierarchy:
TOPDIR=`pwd`/../../../../
. ${TOPDIR}tools/build_tools/Path.sh
. ${TOPDIR}tools/build_tools/config.sh
Installing PPTP
My aim is to replace an external Alcatel Speechtouch v610 ADSL modem with the ADSL2+ PCI. Currently the Speedtouch operates in bridge-mode. The gateway server runs a simple PPTP/PPP connection to the ADSL modem and presents the Internet on interface ppp0 where it is easy to manage via netfilters and iptables rules (I'm using Shorewall on Ubuntu 11.10 Server). Bridging avoids the need to use IP routing from the ADSL LAN interface to the gateway server.
I want to have the same configuration for this ADSL2+ PCI card. However, the device does not have a PPTP daemon installed. I got the source for Poptop and made some changes to be able to successfully cross-compile it for MIPS on the Danube device. I'll detail those here later.
Because the root file-system on the device is read-only I had to change several installation path configurations to allow pptpd and pptpctrl to run from the ramdisk on the device whilst testing. Once I have it working I'll build for the default locations and install a customised root file-system.
I use tftp to push the executables over to the device:
tftp 10.254.249.1 put pptpd put pptpctrl quit
Using a telnet session to the device I then move those files and make them executable:
mkdir -p /ramdisk/usr/sbin mv /ramdisk/tftp_upload/pptp* /ramdisk/usr/sbin/ chmod +x /ramdisk/usr/sbin/*
I start the daemon:
/ramdisk/usr/sbin/pptpd -d
and then initiate a connection from the host gateway server (Jeeves):
sudo pppd call zen-internal && tail -f /var/log/syslog
/etc/ppp/peers/zen-internal sets up the PPTP tunnel from the gateway to the ADSL modem.
I see from the syslog on Jeeves that the connection is failing:
pppd[20246]: Using interface ppp1 pptp[20507]: zen log[main:pptp.c:314]: The synchronous pptp option is NOT activated pppd[20246]: Connect: ppp1 <--> /dev/pts/2 pptp[20547]: zen log[ctrlp_rep:pptp_ctrl.c:251]: Sent control packet type is 1 'Start-Control-Connection-Request' pptp[20547]: zen log[ctrlp_disp:pptp_ctrl.c:739]: Received Start Control Connection Reply pptp[20547]: zen log[ctrlp_disp:pptp_ctrl.c:773]: Client connection established. pptp[20547]: zen log[ctrlp_rep:pptp_ctrl.c:251]: Sent control packet type is 7 'Outgoing-Call-Request' pptp[20547]: zen log[ctrlp_disp:pptp_ctrl.c:858]: Received Outgoing Call Reply. pptp[20547]: zen log[ctrlp_disp:pptp_ctrl.c:897]: Outgoing call established (call ID 0, peer's call ID 768). pptp[20547]: zen log[pptp_read_some:pptp_ctrl.c:544]: read returned zero, peer has closed pptp[20547]: zen log[callmgr_main:pptp_callmgr.c:258]: Closing connection (shutdown) pptp[20547]: zen log[ctrlp_rep:pptp_ctrl.c:251]: Sent control packet type is 12 'Call-Clear-Request' pptp[20547]: zen log[pptp_read_some:pptp_ctrl.c:544]: read returned zero, peer has closed pptp[20547]: zen log[call_callback:pptp_callmgr.c:79]: Closing connection (call state) pppd[20246]: Modem hangup pppd[20246]: Connection terminated.
On the Danube checking the system log shows:
tail /var/log/messages kern.info pptpd[1297]: MGR: Manager process started kern.info pptpd[1297]: MGR: Maximum of 100 connections available kern.debug pptpd[1298]: MGR: Launching /ramdisk/usr/sbin/pptpctrl to handle client kern.debug pptpd[1298]: CTRL: local address = 192.168.0.1 kern.debug pptpd[1298]: CTRL: remote address = 192.168.1.1 kern.info pptpd[1298]: CTRL: Client 10.254.249.2 control connection started kern.debug pptpd[1298]: CTRL: Received PPTP Control Message (type: 1) kern.debug pptpd[1298]: CTRL: Made a START CTRL CONN RPLY packet kern.debug pptpd[1298]: CTRL: I wrote 156 bytes to the client. kern.debug pptpd[1298]: CTRL: Sent packet to client kern.debug pptpd[1298]: CTRL: Received PPTP Control Message (type: 7) kern.debug pptpd[1298]: CTRL: Set parameters to 10000000 maxbps, 3 window size kern.debug pptpd[1298]: CTRL: Made a OUT CALL RPLY packet kern.info pptpd[1298]: CTRL: Starting call (launching pppd, opening GRE) kern.debug pptpd[1298]: CTRL: pty_fd = 8 kern.debug pptpd[1298]: CTRL: tty_fd = 9 kern.debug pptpd[1298]: CTRL: I wrote 32 bytes to the client. kern.debug pptpd[1298]: CTRL: Sent packet to client kern.debug pptpd[1299]: CTRL (PPPD Launcher): program binary = /usr/sbin/pppd kern.debug pptpd[1299]: CTRL (PPPD Launcher): local address = 192.168.0.1 kern.debug pptpd[1299]: CTRL (PPPD Launcher): remote address = 192.168.1.1 kern.debug pptpd[1299]: CTRL (PPPD Launcher): /usr/sbin/pppd local 115200 192.168.0.1:192.168.1.1 ipparam 10.254.249.2 kern.notice pppd[1299]: pppd 2.4.2 started by root, uid 0 kern.err pppd[1299]: Couldn't set tty to PPP discipline: Invalid argument kern.info pppd[1299]: Exit. kern.err pptpd[1298]: GRE: read(fd=8,buffer=10000580,len=8196) from PTY failed: status = -1 error = Input/output error, usually caused by unexpected termination of pppd, check option syntax and pppd logs kern.err pptpd[1298]: CTRL: PTY read or GRE write failed (pty,gre)=(8,9) kern.debug pptpd[1298]: CTRL: Reaping child PPP[1299] kern.info pptpd[1298]: CTRL: Client 10.254.249.2 control connection finished
The critical error here being:
kern.err pppd[1299]: Couldn't set tty to PPP discipline: Invalid argument
After much digging through the source-code of pppd, and experimenting in a shell on the Danube, I finally discovered the cause. pppd is trying to change the line discipline from regular teletype console to ppp_async. The kernel is returning -EINVALID because tty-ldisc-3 (PPP_ASYNC) is not built into the kernel:
grep -n CONFIG_PPP_ .config 711:# CONFIG_PPP_MULTILINK is not set 712:# CONFIG_PPP_FILTER is not set 713:CONFIG_PPP_IFX_IDLETIME_EXTENSION=m 714:# CONFIG_PPP_ASYNC is not set 715:# CONFIG_PPP_SYNC_TTY is not set 716:# CONFIG_PPP_DEFLATE is not set 717:# CONFIG_PPP_BSDCOMP is not set 718:# CONFIG_PPP_MPPE is not set
The next step is to try building a custom kernel and installing it into the device without turning it into a brick.
References and Links
Attachments
-
A2PCI-component-side-320x180.jpg
(19.7 KB) -
added by tj 6 years ago.
ADSL2+ PCI card component side (320x180)
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A2PCI-component-side-1920x1080.jpg
(307.7 KB) -
added by tj 6 years ago.
ADSL2+ PCI card component side (1920x1080)
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A2PCI-trace-side-320x180.jpg
(17.5 KB) -
added by tj 6 years ago.
ADSL2+ PCI card trace side (320x180)
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A2PCI-trace-side-1920x1080.jpg
(379.6 KB) -
added by tj 6 years ago.
ADSL2+ PCI card trace side (1920x1080)
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ADSL2+ PCI Card Leaflet from Linitx 320x451.jpg
(16.9 KB) -
added by tj 6 years ago.
ADSL2+ PCI card configuration leaflet (320x451)
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ADSL2+ PCI Card Leaflet from Linitx 1362x1920.jpg
(142.0 KB) -
added by tj 6 years ago.
ADSL2+ PCI card configuration leaflet (1362x1920)
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mtd3-Linux.strings.txt
(118.7 KB) -
added by tj 6 years ago.
strings mtd3-Linux
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messages.boot
(10.5 KB) -
added by tj 6 years ago.
Kernel dmesg 2.4.31-Danube-3.0.5g-A2PCI
