diff options
Diffstat (limited to 'hicn-plugin/src/cache_policies/cs_lru.h')
| -rw-r--r-- | hicn-plugin/src/cache_policies/cs_lru.h | 40 |
1 files changed, 23 insertions, 17 deletions
diff --git a/hicn-plugin/src/cache_policies/cs_lru.h b/hicn-plugin/src/cache_policies/cs_lru.h index 35b82ff2c..1e67cb547 100644 --- a/hicn-plugin/src/cache_policies/cs_lru.h +++ b/hicn-plugin/src/cache_policies/cs_lru.h @@ -17,7 +17,6 @@ #define __LRU_H__ #include "../pcs.h" -#include "../hashtb.h" #include "cs_policy.h" /** @@ -28,39 +27,46 @@ extern hicn_cs_policy_vft_t hicn_cs_lru; -/* - * Insert a new CS element at the head of the CS LRU +/** + * @brief Insert a new CS element at the head of the CS LRU + * + * @param policy the cs insertion/eviction policy - LRU + * @param pcs the PCS table + * @param pcs_entry the PCS entry to insert + * @return 0 on success, -1 on overflow */ -void hicn_cs_lru_insert (hicn_pit_cs_t *pcs, hicn_hash_node_t *pnode, - hicn_pcs_entry_t *entry, hicn_cs_policy_t *lru); +void hicn_cs_lru_insert (hicn_cs_policy_t *policy, hicn_pit_cs_t *pcs, + hicn_pcs_entry_t *pcs_entry); /* * Dequeue an LRU element, for example when it has expired. */ -void hicn_cs_lru_dequeue (hicn_pit_cs_t *pcs, hicn_hash_node_t *pnode, - hicn_pcs_entry_t *entry, hicn_cs_policy_t *lru); +void hicn_cs_lru_dequeue (hicn_cs_policy_t *policy, hicn_pit_cs_t *pcs, + hicn_pcs_entry_t *pcs_entry); /* * Move a CS LRU element to the head, probably after it's been used. */ -void hicn_cs_lru_update_head (hicn_pit_cs_t *pcs, hicn_hash_node_t *pnode, - hicn_pcs_entry_t *entry, hicn_cs_policy_t *lru); +void hicn_cs_lru_update_head (hicn_cs_policy_t *lru, hicn_pit_cs_t *pcs, + hicn_pcs_entry_t *entry); -void hicn_cs_lru_delete_get (hicn_pit_cs_t *p, hicn_cs_policy_t *policy, - hicn_hash_node_t **node, hicn_pcs_entry_t **pcs, - hicn_hash_entry_t **hash_entry); +void hicn_cs_lru_delete_get (hicn_cs_policy_t *policy, + const hicn_pit_cs_t *pcs, + hicn_pcs_entry_t **pcs_entry); /* * Remove a batch of nodes from the CS LRU, copying their node indexes into * the caller's array. We expect this is done when the LRU size exceeds the * CS's limit. Return the number of removed nodes. */ -int hicn_cs_lru_trim (hicn_pit_cs_t *pcs, u32 *node_list, int sz, - hicn_cs_policy_t *lru); +int hicn_cs_lru_trim (hicn_cs_policy_t *policy, hicn_pit_cs_t *pcs, + u32 *node_list, size_t sz); + +int hicn_cs_lru_flush (hicn_cs_policy_t *policy, hicn_pit_cs_t *pcs); + +hicn_cs_policy_t hicn_cs_lru_create (u32 max_elts); -int hicn_cs_lru_flush (vlib_main_t *vm, struct hicn_pit_cs_s *pitcs, - hicn_cs_policy_t *state); -#endif /* // __LRU_H__ */ +#endif /* __LRU_H__ */ /* * fd.io coding-style-patch-verification: ON |