From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tushar Dave Subject: [net-next] samples/bpf: adjust rlimit RLIMIT_MEMLOCK for xdp_redirect Date: Fri, 9 Feb 2018 11:56:12 -0800 Message-ID: <1518206172-13441-1-git-send-email-tushar.n.dave@oracle.com> To: ast@kernel.org, daniel@iogearbox.net, netdev@vger.kernel.org Return-path: Received: from userp2130.oracle.com ([156.151.31.86]:40296 "EHLO userp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750909AbeBIT4m (ORCPT ); Fri, 9 Feb 2018 14:56:42 -0500 Sender: netdev-owner@vger.kernel.org List-ID: Default rlimit RLIMIT_MEMLOCK is 64KB, causes bpf map failure. e.g. [root@labbpf]# ./xdp_redirect $( $( --- samples/bpf/xdp_redirect_user.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/samples/bpf/xdp_redirect_user.c b/samples/bpf/xdp_redirect_user.c index 4475d83..2490235 100644 --- a/samples/bpf/xdp_redirect_user.c +++ b/samples/bpf/xdp_redirect_user.c @@ -20,6 +20,7 @@ #include #include #include +#include #include "bpf_load.h" #include "bpf_util.h" @@ -75,6 +76,7 @@ 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; @@ -98,6 +100,11 @@ 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); -- 1.9.1