Initial working version of DHCP relay using XDP is created. Currently, this code
has user program and a xdp ebpf program. User program takes network interface and
dhcp relay server IP as inputs and store it in a map. XDP program filters the
incoming DHCP requests and inserts option 82 in the DHCP request packets and
overwrites the destination IP to that of DHCP relay server IP.An optional argu
-ment for user program is also provided to unload the xdp program.
README file provides to instructions to build and load the xdp program.
Signed-off-by: Sachin Tiptur <sachin.tiptur.satyanarayana.gupta@hof-university.de>
[ whitespace fixes ]
Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
