tc test 6

backend/src/utilities/ebpf_bridge_events.py

@@ -112,37 +112,18 @@ struct event_t {
 BPF_PERF_OUTPUT(ingress_events);
 BPF_PERF_OUTPUT(meta_events);
 
-struct counter_state {
-  struct bpf_spin_lock lock;
-  __u32 value;
-};
-
-struct {
-  __uint(type, BPF_MAP_TYPE_ARRAY);
-  __uint(max_entries, 1);
-  __type(key, __u32);
-  __type(value, struct counter_state);
-} packet_counter SEC(".maps");
-
 static __always_inline __u32 ensure_packet_mark(struct __sk_buff *skb) {
-  __u32 key = 0;
   __u32 next = skb->mark;
-  struct counter_state *state;
 
   if (next) {
     return next;
   }
 
-  state = bpf_map_lookup_elem(&packet_counter, &key);
-  if (!state) {
-    return 0;
+  next = (__u32)(bpf_ktime_get_ns() & 0x0FFFFFFF);
+  if (!next) {
+    next = 1;
   }
 
-  bpf_spin_lock(&state->lock);
-  state->value += 1;
-  next = state->value;
-  bpf_spin_unlock(&state->lock);
-
   skb->mark = next;
   return next;
 }