Björn Töpel a36b38aa2a
xsk: add sock_diag interface for AF_XDP ...
This patch adds the sock_diag interface for querying sockets from user
space. Tools like iproute2 ss(8) can use this interface to list open
AF_XDP sockets.
The user-space ABI is defined in linux/xdp_diag.h and includes netlink
request and response structs. The request can query sockets and the
response contains socket information about the rings, umems, inode and
more.
Signed-off-by: Björn Töpel <bjorn.topel@intel.com >
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net >
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a36b38aa2a