[v5,20/40] net/idpf: check RSS hash algorithms

Message ID 20231011092805.693171-21-haijie1@huawei.com (mailing list archive)
State Changes Requested, archived
Delegated to: Ferruh Yigit
Headers
Series support setting and querying RSS algorithms |

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Jie Hai Oct. 11, 2023, 9:27 a.m. UTC
  A new field 'algorithm' has been added to rss_conf, check it
in case of ignoring unsupported values.

Signed-off-by: Jie Hai <haijie1@huawei.com>
---
 drivers/net/idpf/idpf_ethdev.c | 6 ++++++
 1 file changed, 6 insertions(+)
  

Patch

diff --git a/drivers/net/idpf/idpf_ethdev.c b/drivers/net/idpf/idpf_ethdev.c
index 3af7cf0bb7e0..013db04ac8fc 100644
--- a/drivers/net/idpf/idpf_ethdev.c
+++ b/drivers/net/idpf/idpf_ethdev.c
@@ -426,6 +426,9 @@  idpf_init_rss(struct idpf_vport *vport)
 	rss_conf = &dev_data->dev_conf.rx_adv_conf.rss_conf;
 	nb_q = dev_data->nb_rx_queues;
 
+	if (rss_conf->algorithm != RTE_ETH_HASH_FUNCTION_DEFAULT)
+		return -EINVAL;
+
 	if (rss_conf->rss_key == NULL) {
 		for (i = 0; i < vport->rss_key_size; i++)
 			vport->rss_key[i] = (uint8_t)rte_rand();
@@ -541,6 +544,9 @@  idpf_rss_hash_update(struct rte_eth_dev *dev,
 		return -ENOTSUP;
 	}
 
+	if (rss_conf->algorithm != RTE_ETH_HASH_FUNCTION_DEFAULT)
+		return -EINVAL;
+
 	if (!rss_conf->rss_key || rss_conf->rss_key_len == 0) {
 		PMD_DRV_LOG(DEBUG, "No key to be configured");
 		goto skip_rss_key;