From: Long Wu <long...@corigine.com>
The flow rules limitation is 2056 and driver needs
to store it in hash table. Considering hash conflicts,
driver use a new macro to enlarge hash table size.
Signed-off-by: Long Wu <long...@corigine.com>
Reviewed-by: Chaoyong He <chaoyong...@corigine.com>
Reviewed-by: Peng Zhang <peng.zh...@corigine.com>
---
drivers/net/nfp/nfp_net_common.h | 3 +++
drivers/net/nfp/nfp_net_flow.c | 2 +-
2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/net/nfp/nfp_net_common.h b/drivers/net/nfp/nfp_net_common.h
index 6db849eb07..6c739891be 100644
--- a/drivers/net/nfp/nfp_net_common.h
+++ b/drivers/net/nfp/nfp_net_common.h
@@ -179,6 +179,9 @@ struct nfp_net_flow_count {
uint16_t ipv6_count;
};
+#define NFP_NET_HASH_REDUNDANCE (1.2)
+#define NFP_NET_FLOW_HASH_TBALE_SIZE ((NFP_NET_FLOW_LIMIT) *
(NFP_NET_HASH_REDUNDANCE))
+
struct nfp_net_priv {
uint32_t hash_seed; /**< Hash seed for hash tables in this structure. */
struct rte_hash *flow_table; /**< Hash table to store flow rules. */
diff --git a/drivers/net/nfp/nfp_net_flow.c b/drivers/net/nfp/nfp_net_flow.c
index 74dd67abd4..2dab317a5f 100644
--- a/drivers/net/nfp/nfp_net_flow.c
+++ b/drivers/net/nfp/nfp_net_flow.c
@@ -1063,7 +1063,7 @@ nfp_net_flow_priv_init(struct nfp_pf_dev *pf_dev,
struct rte_hash_parameters flow_hash_params = {
.name = flow_name,
- .entries = NFP_NET_FLOW_LIMIT,
+ .entries = NFP_NET_FLOW_HASH_TBALE_SIZE,
.hash_func = rte_jhash,
.socket_id = rte_socket_id(),
.key_len = sizeof(uint32_t),
--
2.39.1
