root@OpenWrt:~# lsmod
Module                  Size  Used by    Not tainted
fuse                   46080  0
usb_storage            32720  0
nf_nat_tftp              432  0
nf_conntrack_tftp       2400  1 nf_nat_tftp
nf_nat_irc               816  0
nf_conntrack_irc        2512  1 nf_nat_irc
nf_nat_ftp              1328  0
nf_conntrack_ftp        4640  1 nf_nat_ftp
ipt_MASQUERADE           992  1
iptable_nat             2256  1
nf_nat                 10160  5 nf_nat_tftp,nf_nat_irc,nf_nat_ftp,ipt_MASQUERADE,iptable_nat
xt_NOTRACK               544  0
iptable_raw              656  1
xt_state                 768  3
nf_conntrack_ipv4       7376  6 iptable_nat,nf_nat
nf_defrag_ipv4           624  1 nf_conntrack_ipv4
nf_conntrack           37744 12 nf_nat_tftp,nf_conntrack_tftp,nf_nat_irc,nf_conntrack_irc,nf_nat_ftp,nf_conntrack_ftp,ipt_MASQUERADE,iptable_nat,nf_nat,xt_NOTRACK,xt_state,nf_conntrack_ipv4
ehci_hcd               31456  0
sd_mod                 21616  0
pppoe                   8304  0
pppox                   1216  1 pppoe
ipt_REJECT              1680  2
xt_TCPMSS               1856  2
ipt_LOG                 4176  0
xt_comment               464  0
xt_multiport            1792  0
xt_mac                   576  0
xt_limit                1008  1
iptable_mangle           992  0
iptable_filter           768  1
ip_tables               8544  4 iptable_nat,iptable_raw,iptable_mangle,iptable_filter
xt_tcpudp               1760  6
x_tables                9296 13 ipt_MASQUERADE,iptable_nat,xt_NOTRACK,xt_state,ipt_REJECT,xt_TCPMSS,ipt_LOG,xt_comment,xt_multiport,xt_mac,xt_limit,ip_tables,xt_tcpudp
ext2                   42224  0
ext3                   91248  0
jbd                    31376  1 ext3
tun                    10048  2
ppp_async               6400  0
ppp_generic            18848  3 pppoe,pppox,ppp_async
slhc                    4160  1 ppp_generic
vfat                    7712  0
fat                    42496  1 vfat
ext4                  210400  0
jbd2                   36544  1 ext4
ath9k                  78272  0
ath9k_common            1136  1 ath9k
ath9k_hw              255152  2 ath9k,ath9k_common
ath                    11712  3 ath9k,ath9k_common,ath9k_hw
nls_iso8859_1           2832  0
nls_cp437               4368  0
mac80211              193824  1 ath9k
usbcore                97520  3 usb_storage,ehci_hcd
scsi_mod               68224  2 usb_storage,sd_mod
nls_base                4800  5 vfat,fat,nls_iso8859_1,nls_cp437,usbcore
mbcache                 3920  1 ext4
crc16                    976  1 ext4
crc_ccitt                976  1 ppp_async
cfg80211              113472  2 ath9k,mac80211
compat_firmware_class     4672  0
compat                  1776  1 cfg80211
arc4                     816  2
aes_generic            30256  0
deflate                 1360  0
ecb                     1328  2
cbc                     2016  0
leds_gpio               1456  0
button_hotplug          2576  0
gpio_buttons            2128  0
input_polldev           1360  1 gpio_buttons
input_core             17056  4 button_hotplug,gpio_buttons,input_polldev

U-Boot 1.1.4 (Nov 17 2009 - 11 begin_of_the_skype_highlighting              17 2009 - 11      end_of_the_skype_highlighting:56:26)

AP83 (ar9100) U-boot 0.0.11
DRAM:
sri
32 MB
id read 0x100000ff
flash size 8MB, sector count = 128
Flash:  8 MB
Using default environment

In:    serial
Out:   serial
Err:   serial
Net:   ag7100_enet_initialize...
No valid address in Flash. Using fixed address
: cfg1 0xf cfg2 0x7114
eth0: 00:03:7f:09:0b:ad
eth0 up
eth0
Autobooting in 1 seconds## Booting image at bf020000 ...
   Uncompressing Kernel Image ... OK

Starting kernel ...

Linux version 2.6.32.25 (cezary@eko.one.pl) (gcc version 4.3.3 (GCC) ) #37 Wed Nov 24 15:37:44 CET 2010
bootconsole [early0] enabled
CPU revision is: 00019374 (MIPS 24Kc)
Atheros AR9132 rev 2, CPU:400.000 MHz, AHB:200.000 MHz, DDR:400.000 MHz
Determined physical RAM map:
memory: 02000000 @ 00000000 (usable)
Initrd not found or empty - disabling initrd
Zone PFN ranges:
  Normal   0x00000000 -> 0x00002000
Movable zone start PFN for each node
early_node_map[1] active PFN ranges
    0: 0x00000000 -> 0x00002000
Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 8128
Kernel command line: rootfstype=squashfs,yaffs,jffs2 noinitrd console=ttyS0,115200 board=TL-WR1043ND
PID hash table entries: 128 (order: -3, 512 bytes)
Dentry cache hash table entries: 4096 (order: 2, 16384 bytes)
Inode-cache hash table entries: 2048 (order: 1, 8192 bytes)
Primary instruction cache 64kB, VIPT, 4-way, linesize 32 bytes.
Primary data cache 32kB, 4-way, VIPT, cache aliases, linesize 32 bytes
Writing ErrCtl register=00000000
Readback ErrCtl register=00000000
Memory: 29356k/32768k available (2067k kernel code, 3412k reserved, 390k data, 152k init, 0k highmem)
SLUB: Genslabs=7, HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
Hierarchical RCU implementation.
NR_IRQS:56
Calibrating delay loop... 266.24 BogoMIPS (lpj=1331200)
Mount-cache hash table entries: 512
NET: Registered protocol family 16
MIPS: machine is TP-LINK TL-WR1043ND
bio: create slab <bio-0> at 0
Switching to clocksource MIPS
NET: Registered protocol family 2
IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
TCP established hash table entries: 1024 (order: 1, 8192 bytes)
TCP bind hash table entries: 1024 (order: 0, 4096 bytes)
TCP: Hash tables configured (established 1024 bind 1024)
TCP reno registered
NET: Registered protocol family 1
squashfs: version 4.0 (2009/01/31) Phillip Lougher
Registering mini_fo version $Id$
JFFS2 version 2.2. (NAND) (SUMMARY)  Š 2001-2006 Red Hat, Inc.
yaffs Nov 13 2010 09:51:54 Installing.
msgmni has been set to 57
io scheduler noop registered
io scheduler deadline registered (default)
Serial: 8250/16550 driver, 1 ports, IRQ sharing disabled
serial8250.0: ttyS0 at MMIO 0x18020000 (irq = 11) is a 16550A
console [ttyS0] enabled, bootconsole disabled
console [ttyS0] enabled, bootconsole disabled
Atheros AR71xx SPI Controller driver version 0.2.4
m25p80 spi0.0: s25sl064a (8192 Kbytes)
Searching for RedBoot partition table in spi0.0 at offset 0x7e0000
Searching for RedBoot partition table in spi0.0 at offset 0x7f0000
No RedBoot partition table detected in spi0.0
spi0.0: no WRT160NL signature found
Creating 5 MTD partitions on "spi0.0":
0x000000000000-0x000000020000 : "u-boot"
0x000000020000-0x000000160000 : "kernel"
0x000000160000-0x0000007f0000 : "rootfs"
mtd: partition "rootfs" set to be root filesystem
mtd: partition "rootfs_data" created automatically, ofs=420000, len=3D0000
0x000000420000-0x0000007f0000 : "rootfs_data"
0x0000007f0000-0x000000800000 : "art"
0x000000020000-0x0000007f0000 : "firmware"
Realtek RTL8366RB ethernet switch driver version 0.2.2
rtl8366rb rtl8366rb: using GPIO pins 18 (SDA) and 19 (SCK)
rtl8366rb rtl8366rb: RTL5937 ver. 3 chip found
rtl8366rb: probed
eth0: Atheros AG71xx at 0xb9000000, irq 4
Atheros AR71xx hardware watchdog driver version 0.1.0
TCP westwood registered
NET: Registered protocol family 17
802.1Q VLAN Support v1.8 Ben Greear <greearb@candelatech.com>
All bugs added by David S. Miller <davem@redhat.com>
VFS: Mounted root (squashfs filesystem) readonly on device 31:2.
Freeing unused kernel memory: 152k freed
Please be patient, while OpenWrt loads ...
input: gpio-buttons as /devices/platform/gpio-buttons/input/input0
Button Hotplug driver version 0.3.1
eth0: link up (1000Mbps/Full duplex)
- preinit -
Registered led device: tl-wr1043nd:green:usb
Registered led device: tl-wr1043nd:green:system
Registered led device: tl-wr1043nd:green:qss
Registered led device: tl-wr1043nd:green:wlan
Press the [f] key and hit [enter] to enter failsafe mode
- regular preinit -
switching to jffs2
mini_fo: using base directory: /
mini_fo: using storage directory: /overlay
- init -
eth0: link down

Please press Enter to activate this console. eth0: link up (1000Mbps/Full duplex)
Compat-wireless backport release: compat-wireless-2010-10-14-7-gab01eca
Backport based on wireless-testing.git master-2010-10-19
device eth0.1 entered promiscuous mode
device eth0 entered promiscuous mode
br-lan: port 1(eth0.1) entering forwarding state
cfg80211: Calling CRDA to update world regulatory domain
SCSI subsystem initialized
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
cfg80211: World regulatory domain updated:
    (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
    (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
    (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)
    (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)
    (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
    (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
ieee80211 phy0: Atheros AR9100 MAC/BB Rev:0 AR2133 RF Rev:a2 mem=0xb80c0000, irq=2
cfg80211: Calling CRDA for country: US
cfg80211: Regulatory domain changed to country: US
    (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
    (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2700 mBm)
    (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 1700 mBm)
    (5250000 KHz - 5330000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
    (5490000 KHz - 5600000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
    (5650000 KHz - 5710000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
    (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 3000 mBm)
PPP generic driver version 2.4.2
tun: Universal TUN/TAP device driver, 1.6
tun: (C) 1999-2004 Max Krasnyansky <maxk@qualcomm.com>
ip_tables: (C) 2000-2006 Netfilter Core Team
NET: Registered protocol family 24
ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
ar71xx-ehci ar71xx-ehci: Atheros AR91xx built-in EHCI controller
ar71xx-ehci ar71xx-ehci: new USB bus registered, assigned bus number 1
ar71xx-ehci ar71xx-ehci: irq 3, io mem 0x1b000000
ar71xx-ehci ar71xx-ehci: USB 2.0 started, EHCI 1.00
usb usb1: configuration #1 chosen from 1 choice
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 1 port detected
nf_conntrack version 0.5.0 (461 buckets, 1844 max)
CONFIG_NF_CT_ACCT is deprecated and will be removed soon. Please use
nf_conntrack.acct=1 kernel parameter, acct=1 nf_conntrack module option or
sysctl net.netfilter.nf_conntrack_acct=1 to enable it.
Initializing USB Mass Storage driver...
usbcore: registered new interface driver usb-storage
USB Mass Storage support registered.
fuse init (API version 7.13)

USB Mass Storage support registered.
fuse init (API version 7.13)
^C
Please press Enter to activate this console. ------------[ cut here ]------------
WARNING: at drivers/gpio/gpiolib.c:101 0x801856d0()
autorequest GPIO-0
Modules linked in: fuse usb_storage nf_nat_tftp nf_conntrack_tftp nf_nat_irc nf_conntrack_irc nf_nat_ftp nf_conntrack_ftp ipt_MASQUERADE iptable_nat nf_nat xt_NOTRACK iptable_raw xt_state nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack ehci_hcd sd_mod pppoe pppox ipt_REJECT xt_TCPMSS ipt_LOG xt_comment xt_multiport xt_mac xt_limit iptable_mangle iptable_filter ip_tables xt_tcpudp x_tables ext2 ext3 jbd tun ppp_async ppp_generic slhc vfat fat ext4 jbd2 ath9k ath9k_common ath9k_hw ath nls_iso8859_1 nls_cp437 mac80211 usbcore scsi_mod nls_base mbcache crc16 crc_ccitt cfg80211 compat_firmware_class compat arc4 aes_generic deflate ecb cbc leds_gpio button_hotplug gpio_buttons input_polldev input_core
Call Trace:[<8007d914>] 0x8007d914
[<80068374>] 0x80068374
[<80068374>] 0x80068374
[<8007cf1c>] 0x8007cf1c
[<801856d0>] 0x801856d0
[<8007cf9c>] 0x8007cf9c
[<80213458>] 0x80213458
[<80212c74>] 0x80212c74
[<801856d0>] 0x801856d0
[<80212fbc>] 0x80212fbc
[<8018580c>] 0x8018580c
[<801cf854>] 0x801cf854
[<801cff30>] 0x801cff30
[<800af17c>] 0x800af17c
[<801d0810>] 0x801d0810
[<800af244>] 0x800af244
[<801ec328>] 0x801ec328
[<800e9c78>] 0x800e9c78
[<801ec428>] 0x801ec428
[<801def68>] 0x801def68
[<801ecb94>] 0x801ecb94
[<8008295c>] 0x8008295c
[<80082a3c>] 0x80082a3c
[<801ecce4>] 0x801ecce4
[<808ddce0>] 0x808ddce0
[<800d9058>] 0x800d9058
[<800925a4>] 0x800925a4
[<80072ae4>] 0x80072ae4
[<800d9ca0>] 0x800d9ca0
[<800d9e58>] 0x800d9e58
[<800e8f74>] 0x800e8f74
[<80062544>] 0x80062544
[<80082070>] 0x80082070

---[ end trace 30892e79d044d39a ]---

/etc/init.d/openvpn start

/etc/init.d/openvpn-startup start

Fri Nov 26 12:32:13 2010 OpenVPN 2.1.1 i686-pc-mingw32 [SSL] [LZO2] [PKCS11] built on Dec 11 2009
Fri Nov 26 12:32:13 2010 NOTE: OpenVPN 2.1 requires '--script-security 2' or higher to call user-defined scripts or executables
Fri Nov 26 12:32:13 2010 Static Encrypt: Cipher 'BF-CBC' initialized with 128 bit key
Fri Nov 26 12:32:13 2010 Static Encrypt: Using 160 bit message hash 'SHA1' for HMAC authentication
Fri Nov 26 12:32:13 2010 Static Decrypt: Cipher 'BF-CBC' initialized with 128 bit key
Fri Nov 26 12:32:13 2010 Static Decrypt: Using 160 bit message hash 'SHA1' for HMAC authentication
Fri Nov 26 12:32:14 2010 TAP-WIN32 device [Local Area Connection 5] opened: \\.\Global\{27FDA97C-5B82-4CB0-8655-0E5881B9BA6F}.tap
Fri Nov 26 12:32:14 2010 TAP-Win32 Driver Version 9.6
Fri Nov 26 12:32:14 2010 TAP-Win32 MTU=1500
Fri Nov 26 12:32:14 2010 NOTE: FlushIpNetTable failed on interface [29] {27FDA97C-5B82-4CB0-8655-0E5881B9BA6F} (status=5) : Access is denied. 
Fri Nov 26 12:32:14 2010 Data Channel MTU parms [ L:1576 D:1450 EF:44 EB:4 ET:32 EL:0 ]
Fri Nov 26 12:32:14 2010 Local Options hash (VER=V4): '8b888ddc'
Fri Nov 26 12:32:14 2010 Expected Remote Options hash (VER=V4): '8b888ddc'
Fri Nov 26 12:32:14 2010 Socket Buffers: R=[8192->8192] S=[8192->8192]
Fri Nov 26 12:32:14 2010 UDPv4 link local: [undef]
Fri Nov 26 12:32:14 2010 UDPv4 link remote: 87.205.142.72:1194

root@OpenWrt:~# opkg list_installed | grep kmod
kmod-ath - 2.6.32.25+2010-10-19-1
kmod-ath9k - 2.6.32.25+2010-10-19-1
kmod-button-hotplug - 2.6.32.25-1
kmod-cfg80211 - 2.6.32.25+2010-10-19-1
kmod-crc-ccitt - 2.6.32.25-1
kmod-crc16 - 2.6.32.25-1
kmod-crypto-aes - 2.6.32.25-1
kmod-crypto-arc4 - 2.6.32.25-1
kmod-crypto-core - 2.6.32.25-1
kmod-fs-ext2 - 2.6.32.25-1
kmod-fs-ext3 - 2.6.32.25-1
kmod-fs-ext4 - 2.6.32.25-1
kmod-fs-mbcache - 2.6.32.25-1
kmod-fs-vfat - 2.6.32.25-1
kmod-fuse - 2.6.32.25-1
kmod-input-core - 2.6.32.25-1
kmod-input-gpio-buttons - 2.6.32.25-1
kmod-input-polldev - 2.6.32.25-1
kmod-ipt-conntrack - 2.6.32.25-1
kmod-ipt-core - 2.6.32.25-1
kmod-ipt-nat - 2.6.32.25-1
kmod-ipt-nathelper - 2.6.32.25-1
kmod-leds-gpio - 2.6.32.25-1
kmod-mac80211 - 2.6.32.25+2010-10-19-1
kmod-nls-base - 2.6.32.25-1
kmod-nls-cp437 - 2.6.32.25-1
kmod-nls-iso8859-1 - 2.6.32.25-1
kmod-ppp - 2.6.32.25-1
kmod-pppoe - 2.6.32.25-1
kmod-scsi-core - 2.6.32.25-1
kmod-tun - 2.6.32.25-1
kmod-usb-core - 2.6.32.25-1
kmod-usb-storage - 2.6.32.25-1
kmod-usb2 - 2.6.32.25-1

penVPN STATISTICS
Updated,Fri Nov 26 12:28:22 2010
TUN/TAP read bytes,0
TUN/TAP write bytes,0
TCP/UDP read bytes,0
TCP/UDP write bytes,0
Auth read bytes,0
END

root@Gargoyle:~# chmod 755 /etc/init.d/openvpn-startup
root@Gargoyle:~# /etc/init.d/openvpn-startup enable
root@Gargoyle:~# /etc/init.d/openvpn-startup start
Fri Nov 26 11:19:08 2010 Note: Cannot open TUN/TAP dev /dev/net/tun: No such file or directory (errno=2)
Fri Nov 26 11:19:08 2010 Note: Attempting fallback to kernel 2.2 TUN/TAP interface
Fri Nov 26 11:19:08 2010 Cannot open TUN/TAP dev /dev/tap0: No such file or directory (errno=2)
Fri Nov 26 11:19:08 2010 Exiting
brctl: iface tap0: No such device
ifconfig: SIOCSIFADDR: No such device
root@Gargoyle:~# /etc/init.d/openvpn-startup start
Fri Nov 26 11:20:10 2010 Note: Cannot open TUN/TAP dev /dev/net/tun: No such file or directory (errno=2)
Fri Nov 26 11:20:10 2010 Note: Attempting fallback to kernel 2.2 TUN/TAP interface
Fri Nov 26 11:20:10 2010 Cannot open TUN/TAP dev /dev/tap0: No such file or directory (errno=2)
Fri Nov 26 11:20:10 2010 Exiting
brctl: iface tap0: No such device
ifconfig: SIOCSIFADDR: No such device
root@Gargoyle:~#

root@Gargoyle:~# opkg update
Downloading http://downloads.openwrt.org/backfire/1 … ckages.gz.
Inflating http://downloads.openwrt.org/backfire/1 … ckages.gz.
Updated list of available packages in /var/opkg-lists/packages.
root@Gargoyle:~# opkg install openvpn
Installing openvpn (2.1.1-1) to root...
Downloading http://downloads.openwrt.org/backfire/1 … r71xx.ipk.
Installing kmod-tun (2.6.32.10-1) to root...
Downloading http://downloads.openwrt.org/backfire/1 … r71xx.ipk.
Not downgrading package kernel on root from 2.6.32.25-1 to 2.6.32.10-1.
Configuring kmod-tun.
Collected errors:
* opkg_install_cmd: Cannot install package openvpn.
root@Gargoyle:~#

A generalnie to tc, ip i filtry - jak w każdym linuksie...