[PATCH v5 19/40] net/ice: check RSS hash algorithms

[Jie Hai]

A new field 'algorithm' has been added to rss_conf, check it
in case of ignoring unsupported values.

Signed-off-by: Jie Hai <haijie1 at huawei.com>
---
 drivers/net/ice/ice_dcf.c        | 3 +++
 drivers/net/ice/ice_dcf_ethdev.c | 3 +++
 drivers/net/ice/ice_ethdev.c     | 7 +++++++
 3 files changed, 13 insertions(+)

diff --git a/drivers/net/ice/ice_dcf.c b/drivers/net/ice/ice_dcf.c
index 7f8f5163acef..bff39cf9d145 100644
--- a/drivers/net/ice/ice_dcf.c
+++ b/drivers/net/ice/ice_dcf.c
@@ -1120,6 +1120,9 @@ ice_dcf_init_rss(struct ice_dcf_hw *hw)
 		return ice_dcf_configure_rss_lut(hw);
 	}
 
+	if (rss_conf->algorithm != RTE_ETH_HASH_FUNCTION_DEFAULT)
+		return -EINVAL;
+
 	/* In IAVF, RSS enablement is set by PF driver. It is not supported
 	 * to set based on rss_conf->rss_hf.
 	 */
diff --git a/drivers/net/ice/ice_dcf_ethdev.c b/drivers/net/ice/ice_dcf_ethdev.c
index 30ad18d8fc20..f0db68c5dee5 100644
--- a/drivers/net/ice/ice_dcf_ethdev.c
+++ b/drivers/net/ice/ice_dcf_ethdev.c
@@ -1405,6 +1405,9 @@ ice_dcf_dev_rss_hash_update(struct rte_eth_dev *dev,
 	if (!(hw->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
 		return -ENOTSUP;
 
+	if (rss_conf->algorithm != RTE_ETH_HASH_FUNCTION_DEFAULT)
+		return -EINVAL;
+
 	/* HENA setting, it is enabled by default, no change */
 	if (!rss_conf->rss_key || rss_conf->rss_key_len == 0) {
 		PMD_DRV_LOG(DEBUG, "No key to be configured");
diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c
index 4bad39c2c1c9..0cba6f7d7b6a 100644
--- a/drivers/net/ice/ice_ethdev.c
+++ b/drivers/net/ice/ice_ethdev.c
@@ -3383,6 +3383,10 @@ static int ice_init_rss(struct ice_pf *pf)
 			return -ENOMEM;
 		}
 	}
+
+	if (rss_conf->algorithm != RTE_ETH_HASH_FUNCTION_DEFAULT)
+		return -EINVAL;
+
 	/* configure RSS key */
 	if (!rss_conf->rss_key)
 		ice_get_default_rss_key(vsi->rss_key, vsi->rss_key_size);
@@ -5046,6 +5050,9 @@ ice_rss_hash_update(struct rte_eth_dev *dev,
 	struct ice_pf *pf = ICE_DEV_PRIVATE_TO_PF(dev->data->dev_private);
 	struct ice_vsi *vsi = pf->main_vsi;
 
+	if (rss_conf->algorithm != RTE_ETH_HASH_FUNCTION_DEFAULT)
+		return -EINVAL;
+
 	/* set hash key */
 	status = ice_set_rss_key(vsi, rss_conf->rss_key, rss_conf->rss_key_len);
 	if (status)
-- 
2.30.0