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authorNeale Ranns <neale@graphiant.com>2021-09-21 12:34:19 +0000
committerBeno�t Ganne <bganne@cisco.com>2021-09-29 14:27:48 +0000
commite11203e5b8fd61986573e0cba9e47cefcf50e60d (patch)
treeb5b34bf9742962290ebed720963b72ce5045c6da /src/vlib
parent979545e79579bdc6fe3cb2d3cfd0036c588acb32 (diff)
ipsec: Record the number of packets lost from an SA
Type: feature Gaps in the sequence numbers received on an SA indicate packets that were lost. Gaps are identified using the anti-replay window that records the sequences seen. Publish the number of lost packets in the stats segment at /net/ipsec/sa/lost Signed-off-by: Neale Ranns <neale@graphiant.com> Change-Id: I8af1c09b7b25a705e18bf82e1623b3ce19e5a74d
Diffstat (limited to 'src/vlib')
-rw-r--r--src/vlib/counter.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/src/vlib/counter.h b/src/vlib/counter.h
index 9f5654292b9..56701e8b391 100644
--- a/src/vlib/counter.h
+++ b/src/vlib/counter.h
@@ -64,6 +64,20 @@ typedef struct
/** The number of counters (not the number of per-thread counters) */
u32 vlib_simple_counter_n_counters (const vlib_simple_counter_main_t * cm);
+/** Pre-fetch a per-thread simple counter for the given object index */
+always_inline void
+vlib_prefetch_simple_counter (const vlib_simple_counter_main_t *cm,
+ u32 thread_index, u32 index)
+{
+ counter_t *my_counters;
+
+ /*
+ * This CPU's index is assumed to already be in cache
+ */
+ my_counters = cm->counters[thread_index];
+ clib_prefetch_store (my_counters + index);
+}
+
/** Increment a simple counter
@param cm - (vlib_simple_counter_main_t *) simple counter main pointer
@param thread_index - (u32) the current cpu index