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authorChenbo Feng <fengc@google.com>2017-03-22 17:27:35 -0700
committerDavid S. Miller <davem@davemloft.net>2017-03-23 17:01:02 -0700
commit6acc5c2910689fc6ee181bf63085c5efff6a42bd (patch)
tree049fec629362ea0f3017381bc96f4e117ed3e903 /samples/bpf/libbpf.h
parentAdd a helper function to get socket cookie in eBPF (diff)
downloadlinux-dev-6acc5c2910689fc6ee181bf63085c5efff6a42bd.tar.xz
linux-dev-6acc5c2910689fc6ee181bf63085c5efff6a42bd.zip
Add a eBPF helper function to retrieve socket uid
Returns the owner uid of the socket inside a sk_buff. This is useful to perform per-UID accounting of network traffic or per-UID packet filtering. The socket need to be a fullsock otherwise overflowuid is returned. Signed-off-by: Chenbo Feng <fengc@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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