Sample program using SO_COOKIE
Added a per socket traffic monitoring option to illustrate the usage of new getsockopt SO_COOKIE. The program is based on the socket traffic monitoring program using xt_eBPF and in the new option the data entry can be directly accessed using socket cookie. The cookie retrieved allow us to lookup an element in the eBPF for a specific socket. Signed-off-by:Chenbo Feng <fengc@google.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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