From patchwork Sat Oct 28 00:28:22 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tushar Dave X-Patchwork-Id: 831562 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3yP1nY4712z9t4X for ; Sat, 28 Oct 2017 11:28:49 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751987AbdJ1A2q (ORCPT ); Fri, 27 Oct 2017 20:28:46 -0400 Received: from aserp1040.oracle.com ([141.146.126.69]:44359 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751951AbdJ1A2p (ORCPT ); Fri, 27 Oct 2017 20:28:45 -0400 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id v9S0SS2Z016739 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sat, 28 Oct 2017 00:28:28 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0022.oracle.com (8.14.4/8.14.4) with ESMTP id v9S0SSq6002966 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sat, 28 Oct 2017 00:28:28 GMT Received: from abhmp0004.oracle.com (abhmp0004.oracle.com [141.146.116.10]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id v9S0SRxA012911; Sat, 28 Oct 2017 00:28:27 GMT Received: from tndave-linux.us.oracle.com (/10.137.226.33) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 27 Oct 2017 17:28:27 -0700 From: Tushar Dave To: ast@kernel.org, daniel@iogearbox.net, netdev@vger.kernel.org Subject: [PATCH net-next] samples/bpf: adjust rlimit RLIMIT_MEMLOCK for xdp_redirect_map Date: Fri, 27 Oct 2017 17:28:22 -0700 Message-Id: <1509150502-6632-1-git-send-email-tushar.n.dave@oracle.com> X-Mailer: git-send-email 1.9.1 X-Source-IP: userv0022.oracle.com [156.151.31.74] Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Default rlimit RLIMIT_MEMLOCK is 64KB, causes bpf map failure. e.g. [root@labbpf]# ./xdp_redirect_map $( $( Acked-by: Alexei Starovoitov --- samples/bpf/xdp_redirect_map_user.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/samples/bpf/xdp_redirect_map_user.c b/samples/bpf/xdp_redirect_map_user.c index d4d86a2..978a532 100644 --- a/samples/bpf/xdp_redirect_map_user.c +++ b/samples/bpf/xdp_redirect_map_user.c @@ -20,6 +20,7 @@ #include #include #include +#include #include "bpf_load.h" #include "bpf_util.h" @@ -74,6 +75,7 @@ static void usage(const char *prog) int main(int argc, char **argv) { + struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY}; const char *optstr = "SN"; char filename[256]; int ret, opt, key = 0; @@ -97,6 +99,11 @@ int main(int argc, char **argv) return 1; } + if (setrlimit(RLIMIT_MEMLOCK, &r)) { + perror("setrlimit(RLIMIT_MEMLOCK)"); + return 1; + } + ifindex_in = strtoul(argv[optind], NULL, 0); ifindex_out = strtoul(argv[optind + 1], NULL, 0); printf("input: %d output: %d\n", ifindex_in, ifindex_out);