diff options
| author |   Chenbo Feng <fengc@google.com> | 2017-03-22 17:27:35 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-03-23 17:01:02 -0700 |
| commit | 6acc5c2910689fc6ee181bf63085c5efff6a42bd (patch) | |
| tree | 049fec629362ea0f3017381bc96f4e117ed3e903 /tools/include | |
| parent | Add a helper function to get socket cookie in eBPF (diff) | |
| download | linux-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>
Diffstat (limited to 'tools/include')
| -rw-r--r-- | tools/include/uapi/linux/bpf.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h index a3851859e5f3..1ea08ce35567 100644 --- a/tools/include/uapi/linux/bpf.h +++ b/tools/include/uapi/linux/bpf.h @@ -507,7 +507,8 @@ union bpf_attr { FN(skb_change_head), \ FN(xdp_adjust_head), \ FN(probe_read_str), \ - FN(get_socket_cookie), + FN(get_socket_cookie), \ + FN(get_socket_uid), /* integer value in 'imm' field of BPF_CALL instruction selects which helper * function eBPF program intends to call |