[PATCH net-next 05/10] bpf: bnxt: Report bpf_prog ID during XDP_QUERY_PROG
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STALE3414d
SUPERSEDED: 8 (7M)
From: Martin KaFai Lau <hidden>
Date: 2017-06-13 01:00:29
Subsystem:
broadcom bnxt_en 50 gigabit ethernet driver, networking drivers, the rest, xdp (express data path) · Maintainers:
Michael Chan, Pavan Chebbi, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds, Alexei Starovoitov, Daniel Borkmann, Jesper Dangaard Brouer, John Fastabend
Revision v1 of 3 in this series; 2 review trailers (1 from subsystem maintainers).
Revisions (3)
- v1 current
- v2 [diff vs current]
- v3 [diff vs current]
Add support to bnxt to report bpf_prog ID during XDP_QUERY_PROG. Signed-off-by: Martin KaFai Lau <redacted> Cc: Michael Chan <michael.chan@broadcom.com> Acked-by: Alexei Starovoitov <redacted> Acked-by: Daniel Borkmann <daniel@iogearbox.net> --- drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c
index 8ce793a0d030..5bf1c7ddb378 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c@@ -216,10 +216,17 @@ int bnxt_xdp(struct net_device *dev, struct netdev_xdp *xdp) case XDP_SETUP_PROG: rc = bnxt_xdp_set(bp, xdp->prog); break; - case XDP_QUERY_PROG: - xdp->prog_attached = !!bp->xdp_prog; + case XDP_QUERY_PROG: { + const struct bpf_prog *xdp_prog; + + xdp_prog = READ_ONCE(bp->xdp_prog); + if (xdp_prog) + xdp->prog_id = xdp_prog->aux->id; + else + xdp->prog_id = 0; rc = 0; break; + } default: rc = -EINVAL; break;
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2.9.3