bpf: report offload info to user space
authorJakub Kicinski <jakub.kicinski@netronome.com>
Fri, 3 Nov 2017 20:56:18 +0000 (13:56 -0700)
committerDavid S. Miller <davem@davemloft.net>
Sun, 5 Nov 2017 13:26:18 +0000 (22:26 +0900)
commitbd601b6ada11fdfb9e277f24ad2eb54bc599156b
tree358763b441dfcc6d0a3a8a6e75878f1f08cb60e3
parentab3f0063c48c26c927851b6767824e35a716d878
bpf: report offload info to user space

Extend struct bpf_prog_info to contain information about program
being bound to a device.  Since the netdev may get destroyed while
program still exists we need a flag to indicate the program is
loaded for a device, even if the device is gone.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/linux/bpf.h
include/uapi/linux/bpf.h
kernel/bpf/offload.c
kernel/bpf/syscall.c