how to make my AP work?

[???]

hello,i got some problem.
i have made a linux kernel supported with devfs.
and i load T1085800.hfw firmware ok!
so now.Other PC's wireless card can connect to my wireless card regarded
as AP.
But
They can't use my AP connect to LAN or Internet.
plz help me.
can anyone teach me how to make it as real AP working?
thx ur reply.

ps:my wire adpater is use DHCP to connect Internet. Is it a problem?

show my ifconfig:
Code:

eth0      Link encap:Ethernet  HWaddr 00:D0:59:0F:4F:1D
          inet addr:192.168.100.4  Bcast:192.168.100.255  Mask:255.255.255.0
          inet6 addr: fe80::2d0:59ff:fe0f:4f1d/10 Scope:Link
          inet6 addr: 3ffe:3600:1a:1:2d0:59ff:fe0f:4f1d/64 Scope:Global
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:34312 errors:0 dropped:0 overruns:0 frame:0
          TX packets:433 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:100
          RX bytes:21948616 (20.9 Mb)  TX bytes:80039 (78.1 Kb)
          Interrupt:9 Base address:0x4000

eth1      Link encap:Ethernet  HWaddr 00:02:2D:88:19:C1
          inet addr:140.116.246.198  Bcast:140.116.246.255
Mask:255.255.255.0
          inet6 addr: fe80::202:2dff:fe88:19c1/10 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:2779 errors:0 dropped:0 overruns:0 frame:0
          TX packets:181 errors:3 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:100
          RX bytes:1864533 (1.7 Mb)  TX bytes:27548 (26.9 Kb)
          Interrupt:3 Base address:0x100


show my iwconfig:
Code:

eth1      IEEE 802.11-DS  ESSID:"simata"  Nickname:"localhost.localdomain"
          Mode:Master  Frequency:2.412GHz  Access Point: 00:00:00:00:00:00
          Bit Rate=5.5Mb/s   Tx-Power=15 dBm   Sensitivity:1/3
          Retry limit:4   RTS thr:off   Fragment thr:off
          Encryption key:off
          Link Quality:0/0  Signal level:-34 dBm  Noise level:-40 dBm
          Rx invalid nwid:0  Rx invalid crypt:18  Rx invalid frag:2
          Tx excessive retries:28  Invalid misc:0   Missed beacon:0