summary refs log tree commit diff
path: root/samples/bpf
diff options
context:
space:
mode:
authorPrashant Bhole <bhole_prashant_q7@lab.ntt.co.jp>2018-08-31 10:00:49 +0900
committerDaniel Borkmann <daniel@iogearbox.net>2018-09-01 01:36:08 +0200
commit11c3f5113600c40cc8789f9a7023e02b73cb0ca7 (patch)
treedb25a98797cdf9ed1175c8dc435c6d90632ce1b0 /samples/bpf
parenta29c8bb640ca13f5731510ceaf65a6e1fe6055c8 (diff)
downloadlinux-11c3f5113600c40cc8789f9a7023e02b73cb0ca7.tar.gz
samples/bpf: xdpsock, minor fixes
- xsks_map size was fixed to 4, changed it MAX_SOCKS
- Remove redundant definition of MAX_SOCKS in xdpsock_user.c
- In dump_stats(), add NULL check for xsks[i]

Signed-off-by: Prashant Bhole <bhole_prashant_q7@lab.ntt.co.jp>
Acked-by: Björn Töpel <bjorn.topel@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'samples/bpf')
-rw-r--r--samples/bpf/xdpsock_kern.c2
-rw-r--r--samples/bpf/xdpsock_user.c3
2 files changed, 2 insertions, 3 deletions
diff --git a/samples/bpf/xdpsock_kern.c b/samples/bpf/xdpsock_kern.c
index d8806c41362e..b8ccd0802b3f 100644
--- a/samples/bpf/xdpsock_kern.c
+++ b/samples/bpf/xdpsock_kern.c
@@ -16,7 +16,7 @@ struct bpf_map_def SEC("maps") xsks_map = {
 	.type = BPF_MAP_TYPE_XSKMAP,
 	.key_size = sizeof(int),
 	.value_size = sizeof(int),
-	.max_entries = 4,
+	.max_entries = MAX_SOCKS,
 };
 
 struct bpf_map_def SEC("maps") rr_map = {
diff --git a/samples/bpf/xdpsock_user.c b/samples/bpf/xdpsock_user.c
index b3906111bedb..57ecadc58403 100644
--- a/samples/bpf/xdpsock_user.c
+++ b/samples/bpf/xdpsock_user.c
@@ -118,7 +118,6 @@ struct xdpsock {
 	unsigned long prev_tx_npkts;
 };
 
-#define MAX_SOCKS 4
 static int num_socks;
 struct xdpsock *xsks[MAX_SOCKS];
 
@@ -596,7 +595,7 @@ static void dump_stats(void)
 
 	prev_time = now;
 
-	for (i = 0; i < num_socks; i++) {
+	for (i = 0; i < num_socks && xsks[i]; i++) {
 		char *fmt = "%-15s %'-11.0f %'-11lu\n";
 		double rx_pps, tx_pps;