[PATCH net-next 09/10] bpf: qede: Report bpf_prog ID during XDP_QUERY_PROG

[Martin KaFai Lau]

Add support to qede to report bpf_prog ID during XDP_QUERY_PROG.

Signed-off-by: Martin KaFai Lau <ka...@fb.com>
Cc: Mintz, Yuval <yuval.mi...@cavium.com>
Acked-by: Alexei Starovoitov <a...@fb.com>
Acked-by: Daniel Borkmann <dan...@iogearbox.net>
---
 drivers/net/ethernet/qlogic/qede/qede_filter.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/qlogic/qede/qede_filter.c 
b/drivers/net/ethernet/qlogic/qede/qede_filter.c
index 13955a3bd3b3..26b652ae5ec1 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_filter.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_filter.c
@@ -1035,9 +1035,16 @@ int qede_xdp(struct net_device *dev, struct netdev_xdp 
*xdp)
        switch (xdp->command) {
        case XDP_SETUP_PROG:
                return qede_xdp_set(edev, xdp->prog);
-       case XDP_QUERY_PROG:
-               xdp->prog_attached = !!edev->xdp_prog;
+       case XDP_QUERY_PROG: {
+               const struct bpf_prog *xdp_prog;
+
+               xdp_prog = READ_ONCE(edev->xdp_prog);
+               if (xdp_prog)
+                       xdp->prog_id = xdp_prog->aux->id;
+               else
+                       xdp->prog_id = 0;
                return 0;
+       }
        default:
                return -EINVAL;
        }
-- 
2.9.3