Sachin Tiptur cb9fc3025a Add DHCP relay program. ...

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>

2021-06-21 22:51:57 +02:00

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