[PATCH net-next 08/10] bpf: nfp: Report bpf_prog ID during XDP_QUERY_PROG
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STALE3415d
SUPERSEDED: 8 (7M)
From: Martin KaFai Lau <hidden>
Date: 2017-06-13 01:00:30
Subsystem:
netronome ethernet drivers, networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Revision v1 of 3 in this series; 2 review trailers.
Revisions (3)
- v1 current
- v2 [diff vs current]
- v3 [diff vs current]
Add support to nfp to report bpf_prog ID during XDP_QUERY_PROG. Signed-off-by: Martin KaFai Lau <redacted> Cc: Jakub Kicinski <redacted> Acked-by: Alexei Starovoitov <redacted> Acked-by: Daniel Borkmann <daniel@iogearbox.net> --- drivers/net/ethernet/netronome/nfp/nfp_net_common.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
index 49d1756d6a8e..e4d175853dc7 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c@@ -3254,9 +3254,16 @@ static int nfp_net_xdp(struct net_device *netdev, struct netdev_xdp *xdp) switch (xdp->command) { case XDP_SETUP_PROG: return nfp_net_xdp_setup(nn, xdp); - case XDP_QUERY_PROG: - xdp->prog_attached = !!nn->dp.xdp_prog; + case XDP_QUERY_PROG: { + const struct bpf_prog *xdp_prog; + + xdp_prog = READ_ONCE(nn->dp.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