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-rw-r--r--hicn-plugin/src/cache_policies/cs_lru.c59
-rw-r--r--hicn-plugin/src/cache_policies/cs_lru.h2
-rw-r--r--hicn-plugin/src/cache_policies/cs_policy.h3
3 files changed, 60 insertions, 4 deletions
diff --git a/hicn-plugin/src/cache_policies/cs_lru.c b/hicn-plugin/src/cache_policies/cs_lru.c
index 1f1d14667..45c4b5b79 100644
--- a/hicn-plugin/src/cache_policies/cs_lru.c
+++ b/hicn-plugin/src/cache_policies/cs_lru.c
@@ -25,6 +25,7 @@ hicn_cs_policy_vft_t hicn_cs_lru = {
.hicn_cs_dequeue = &hicn_cs_lru_dequeue,
.hicn_cs_delete_get = &hicn_cs_lru_delete_get,
.hicn_cs_trim = &hicn_cs_lru_trim,
+ .hicn_cs_flush = &hicn_cs_lru_flush,
};
/*
@@ -151,10 +152,10 @@ hicn_cs_lru_update_head (hicn_pit_cs_t * pit, hicn_hash_node_t * pnode,
{
/* The element is already dequeue */
if (pcs->u.cs.cs_lru_next == 0)
- {
- /* Now detached from the list; attach at head */
- hicn_cs_lru_insert (pit, pnode, pcs, lru);
- }
+ {
+ /* Now detached from the list; attach at head */
+ hicn_cs_lru_insert (pit, pnode, pcs, lru);
+ }
ASSERT (lru->head ==
hicn_hashtb_node_idx_from_node (pit->pcs_table, pnode));
}
@@ -212,6 +213,56 @@ hicn_cs_lru_trim (hicn_pit_cs_t * pit, u32 * node_list, int sz,
return (i);
}
+int
+hicn_cs_lru_flush (vlib_main_t * vm, struct hicn_pit_cs_s *pitcs,
+ hicn_cs_policy_t * state)
+{
+ if (state->head == 0 && state->tail == 0)
+ return 0;
+
+ hicn_hash_node_t *lrunode;
+ hicn_pcs_entry_t *lrupcs;
+ u32 idx;
+ int i = 0;
+
+ idx = state->tail;
+
+ while (idx != 0)
+ {
+ lrunode = hicn_hashtb_node_from_idx (pitcs->pcs_table, idx);
+ lrupcs = hicn_pit_get_data (lrunode);
+
+ u64 hashval = 0;
+ hicn_hashtb_fullhash ((u8 *) & (lrunode->hn_key.ks.key),
+ lrunode->hn_keysize, &hashval);
+ hicn_hash_bucket_t *bucket = NULL;
+ if ((hashval & (pitcs->pcs_table->ht_bucket_count - 1)) ==
+ lrunode->bucket_id)
+ {
+ //The bucket is in the non overflown
+ bucket =
+ pool_elt_at_index (pitcs->pcs_table->ht_buckets,
+ lrunode->bucket_id);
+ }
+ else
+ {
+ bucket =
+ pool_elt_at_index (pitcs->pcs_table->ht_overflow_buckets,
+ lrunode->bucket_id);
+ }
+ hicn_hash_entry_t *hash_entry =
+ &(bucket->hb_entries[lrunode->entry_idx]);
+ hash_entry->locks++;
+ hicn_pcs_cs_delete (vm, pitcs, &lrupcs, &lrunode, hash_entry, NULL,
+ NULL);
+ idx = state->tail;
+ i++;
+ }
+
+ return (i);
+
+}
+
/*
* fd.io coding-style-patch-verification: ON
*
diff --git a/hicn-plugin/src/cache_policies/cs_lru.h b/hicn-plugin/src/cache_policies/cs_lru.h
index 94320f7f9..0a58912d6 100644
--- a/hicn-plugin/src/cache_policies/cs_lru.h
+++ b/hicn-plugin/src/cache_policies/cs_lru.h
@@ -58,6 +58,8 @@ int hicn_cs_lru_trim (hicn_pit_cs_t * pcs, u32 * node_list, int sz,
hicn_cs_policy_t * lru);
+int hicn_cs_lru_flush (vlib_main_t * vm, struct hicn_pit_cs_s *pitcs,
+ hicn_cs_policy_t * state);
#endif /* // __LRU_H__ */
/*
diff --git a/hicn-plugin/src/cache_policies/cs_policy.h b/hicn-plugin/src/cache_policies/cs_policy.h
index 08817de18..c1a9a44c9 100644
--- a/hicn-plugin/src/cache_policies/cs_policy.h
+++ b/hicn-plugin/src/cache_policies/cs_policy.h
@@ -68,6 +68,9 @@ typedef struct hicn_cs_policy_vft_s
int (*hicn_cs_trim) (struct hicn_pit_cs_s * p, u32 * node_list, int sz,
hicn_cs_policy_t * policy);
+
+ int (*hicn_cs_flush) (vlib_main_t * vm, struct hicn_pit_cs_s * p,
+ hicn_cs_policy_t * policy_state);
} hicn_cs_policy_vft_t;