Common kernel configs

Device Drivers >

 Multimedia Support --->
   <*> Video For Linux

android / phone stuff

Device Drivers --->

  [*] Network device support --->
      USB Network Adapters --->
          [*] Multi-purpose USB Networking Framework
              <M> CDC Ethernet support
              <M> CDC EEM support
              <M> Simple USB Network Links (CDC Ethernet subset)
              <M>   Host for RNDIS and ActiveSync devices
          [*] Embedded ARM Linux links

iptables

   Networking options  --->
      [*] Network packet filtering framework (Netfilter)  --->
          Core Netfilter Configuration  --->
               [*] Netfilter connection tracking support
               -*- Netfilter Xtables support (required for ip_tables)
               [*]   "conntrack" connection tracking match support  
               [*]   "state" match support
          IP: Netfilter Configuration  --->
               [*] IPv4 connection tracking support (required for NAT)
               [*] IP tables support (required for filtering/masq/NAT)
               [*]   Packet filtering

input devices

uinput -> Device Drivers

 -> Input device support 
   -> Generic input layer 
      -> Miscellaneous devices
          <M> User level driver support