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authorTushar Dave <tushar.n.dave@oracle.com>2017-10-27 16:12:30 -0700
committerDavid S. Miller <davem@davemloft.net>2017-10-29 12:17:13 +0900
commit6dfca831c03ef654b1f7bff1b8d487d330e9f76b (patch)
treea61e2bc456827fd8eaed8aef7eda09a0c246c7df /samples
parent5c1a6eaf0d4eb51e96f193a603af59b55660cb08 (diff)
downloadlinux-stericsson-6dfca831c03ef654b1f7bff1b8d487d330e9f76b.tar.gz
samples/bpf: adjust rlimit RLIMIT_MEMLOCK for xdp1
Default rlimit RLIMIT_MEMLOCK is 64KB, causes bpf map failure. e.g. [root@lab bpf]#./xdp1 -N $(</sys/class/net/eth2/ifindex) failed to create a map: 1 Operation not permitted Fix it. Signed-off-by: Tushar Dave <tushar.n.dave@oracle.com> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'samples')
-rw-r--r--samples/bpf/xdp1_user.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/samples/bpf/xdp1_user.c b/samples/bpf/xdp1_user.c
index 2431c0321b71..fdaefe91801d 100644
--- a/samples/bpf/xdp1_user.c
+++ b/samples/bpf/xdp1_user.c
@@ -14,6 +14,7 @@
#include <string.h>
#include <unistd.h>
#include <libgen.h>
+#include <sys/resource.h>
#include "bpf_load.h"
#include "bpf_util.h"
@@ -69,6 +70,7 @@ 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 opt;
@@ -91,6 +93,12 @@ int main(int argc, char **argv)
usage(basename(argv[0]));
return 1;
}
+
+ if (setrlimit(RLIMIT_MEMLOCK, &r)) {
+ perror("setrlimit(RLIMIT_MEMLOCK)");
+ return 1;
+ }
+
ifindex = strtoul(argv[optind], NULL, 0);
snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);