Add support of setting hash lookup table size according to the
hardawre capability.
Signed-off-by: Helin Zhang <helin.zhang at intel.com>
Reviewed-by: Jijiang Liu <jijiang.liu at intel.com>
Reviewed-by: Cunming Liang <cunming.liang at intel.com>
Reviewed-by: Jingjing Wu <jingjing.wu at intel.com>
---
lib/librte_pmd_i40e/i40e_ethdev.c | 14 +++++++++++++-
lib/librte_pmd_i40e/i40e_ethdev.h | 1 +
2 files changed, 14 insertions(+), 1 deletion(-)
diff --git a/lib/librte_pmd_i40e/i40e_ethdev.c
b/lib/librte_pmd_i40e/i40e_ethdev.c
index a00d6ca..c4a4708 100644
--- a/lib/librte_pmd_i40e/i40e_ethdev.c
+++ b/lib/librte_pmd_i40e/i40e_ethdev.c
@@ -2928,7 +2928,19 @@ i40e_pf_setup(struct i40e_pf *pf)
/* Configure filter control */
memset(&settings, 0, sizeof(settings));
- settings.hash_lut_size = I40E_HASH_LUT_SIZE_128;
+ if (hw->func_caps.rss_table_size == ETH_RSS_RETA_SIZE_128)
+ settings.hash_lut_size = I40E_HASH_LUT_SIZE_128;
+ else if (hw->func_caps.rss_table_size == ETH_RSS_RETA_SIZE_512)
+ settings.hash_lut_size = I40E_HASH_LUT_SIZE_512;
+ else {
+ PMD_DRV_LOG(ERR, "Hash lookup table size (%u) not supported\n",
+ hw->func_caps.rss_table_size);
+ return I40E_ERR_PARAM;
+ }
+ PMD_DRV_LOG(INFO, "Hardware capability of hash lookup table "
+ "size: %u\n", hw->func_caps.rss_table_size);
+ pf->hash_lut_size = hw->func_caps.rss_table_size;
+
/* Enable ethtype and macvlan filters */
settings.enable_ethtype = TRUE;
settings.enable_macvlan = TRUE;
diff --git a/lib/librte_pmd_i40e/i40e_ethdev.h
b/lib/librte_pmd_i40e/i40e_ethdev.h
index 64deef2..a1a2e75 100644
--- a/lib/librte_pmd_i40e/i40e_ethdev.h
+++ b/lib/librte_pmd_i40e/i40e_ethdev.h
@@ -216,6 +216,7 @@ struct i40e_pf {
uint16_t vmdq_nb_qps; /* The number of queue pairs of VMDq */
uint16_t vf_nb_qps; /* The number of queue pairs of VF */
uint16_t fdir_nb_qps; /* The number of queue pairs of Flow Director */
+ uint16_t hash_lut_size; /* The size of hash lookup table */
};
enum pending_msg {
--
1.8.1.4
