}
static_always_inline u8
-vnet_policer_police (vlib_main_t * vm,
- vlib_buffer_t * b,
- u32 policer_index,
+vnet_policer_police (vlib_main_t *vm, vlib_buffer_t *b, u32 policer_index,
u64 time_in_policer_periods,
- policer_result_e packet_color)
+ policer_result_e packet_color, bool handoff)
{
qos_action_type_en act;
u32 len;
vlib_prefetch_combined_counter (&policer_counters[POLICE_CONFORM],
vm->thread_index, policer_index);
- len = vlib_buffer_length_in_chain (vm, b);
pol = &pm->policers[policer_index];
+
+ if (handoff)
+ {
+ if (PREDICT_FALSE (pol->thread_index == ~0))
+ /*
+ * This is the first packet to use this policer. Set the
+ * thread index in the policer to this thread and any
+ * packets seen by this node on other threads will
+ * be handed off to this one.
+ *
+ * This could happen simultaneously on another thread.
+ */
+ clib_atomic_cmp_and_swap (&pol->thread_index, ~0, vm->thread_index);
+ else if (PREDICT_FALSE (pol->thread_index != vm->thread_index))
+ return QOS_ACTION_HANDOFF;
+ }
+
+ len = vlib_buffer_length_in_chain (vm, b);
col = vnet_police_packet (pol, len, packet_color, time_in_policer_periods);
act = pol->action[col];
vlib_increment_combined_counter (&policer_counters[col], vm->thread_index,