From mboxrd@z Thu Jan 1 00:00:00 1970 From: Martin KaFai Lau Subject: [PATCH net-next 05/10] bpf: bnxt: Report bpf_prog ID during XDP_QUERY_PROG Date: Mon, 12 Jun 2017 18:00:20 -0700 Message-ID: <20170613010025.2983342-6-kafai@fb.com> References: <20170613010025.2983342-1-kafai@fb.com> Mime-Version: 1.0 Content-Type: text/plain Cc: Alexei Starovoitov , Daniel Borkmann , , Michael Chan To: Return-path: Received: from mx0a-00082601.pphosted.com ([67.231.145.42]:51629 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753136AbdFMBA3 (ORCPT ); Mon, 12 Jun 2017 21:00:29 -0400 Received: from pps.filterd (m0044012.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.16.0.20/8.16.0.20) with SMTP id v5D10OpU012035 for ; Mon, 12 Jun 2017 18:00:28 -0700 Received: from mail.thefacebook.com ([199.201.64.23]) by mx0a-00082601.pphosted.com with ESMTP id 2b21t10v4a-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT) for ; Mon, 12 Jun 2017 18:00:28 -0700 Received: from facebook.com (2401:db00:11:d09a:face:0:41:0) by mx-out.facebook.com (10.212.232.59) with ESMTP id b077dfd24fd311e7bd720002c991e86a-81f3b8f0 for ; Mon, 12 Jun 2017 18:00:27 -0700 In-Reply-To: <20170613010025.2983342-1-kafai@fb.com> Sender: netdev-owner@vger.kernel.org List-ID: Add support to bnxt to report bpf_prog ID during XDP_QUERY_PROG. Signed-off-by: Martin KaFai Lau Cc: Michael Chan Acked-by: Alexei Starovoitov Acked-by: Daniel Borkmann --- 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; -- 2.9.3