Most of the samples were converted to use the new BTF-defined MAP as

they moved to libbbpf, but some of the samples were missing.

Instead of using the previous BPF MAP definition, this commit refactors
xdp_sample_pkts_kern MAP definition with the new BTF-defined MAP format.

Signed-off-by: Daniel T. Lee <[email protected]>
---
 samples/bpf/xdp_sample_pkts_kern.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

Author: DanielTimLee

samples/bpf/xdp_sample_pkts_kern.c

@@ -7,12 +7,12 @@
 #define SAMPLE_SIZE 64ul
 #define MAX_CPUS 128
 
-struct bpf_map_def SEC("maps") my_map = {
-	.type = BPF_MAP_TYPE_PERF_EVENT_ARRAY,
-	.key_size = sizeof(int),
-	.value_size = sizeof(u32),
-	.max_entries = MAX_CPUS,
-};
+struct {
+	__uint(type, BPF_MAP_TYPE_PERF_EVENT_ARRAY);
+	__uint(key_size, sizeof(int));
+	__uint(value_size, sizeof(u32));
+	__uint(max_entries, MAX_CPUS);
+} my_map SEC(".maps");
 
 SEC("xdp_sample")
 int xdp_sample_prog(struct xdp_md *ctx)