[dpdk-stable] [DPDK] net/i40e: fix FPK VF overwrite PF RSS LUT

[dpdk-stable] [DPDK] net/i40e: fix FPK VF overwrite PF RSS LUT

[Yanglong Wu]

From: "Wu, Yanglong" <yanglong.wu@intel.com>

i40e_aq_set_rss_lut should set rigister according
to the vsi->type. if not, VF may overwrite the rigister
of PF

Fixes: d0a349409bd7 ("i40e: support AQ based RSS config")
Cc: stable@dpdk.org

Change-Id: I16a93306c322d43e1ee6ef169aeadc5d52f84f07
Signed-off-by: Wu Yanglong <yanglong.wu@intel.com>
---
 drivers/net/i40e/i40e_ethdev.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 8dc1a4af8..020ade0c0 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -4183,8 +4183,13 @@ i40e_get_rss_lut(struct i40e_vsi *vsi, uint8_t *lut, uint16_t lut_size)
 		return -EINVAL;
 
 	if (pf->flags & I40E_FLAG_RSS_AQ_CAPABLE) {
-		ret = i40e_aq_get_rss_lut(hw, vsi->vsi_id, TRUE,
-					  lut, lut_size);
+		if (vsi->type == I40E_VSI_SRIOV) {
+			ret = i40e_aq_get_rss_lut(hw, vsi->vsi_id, TRUE,
+						  lut, lut_size);
+		} else {
+			ret = i40e_aq_get_rss_lut(hw, vsi->vsi_id, FALSE,
+						  lut, lut_size);
+		}
 		if (ret) {
 			PMD_DRV_LOG(ERR, "Failed to get RSS lookup table");
 			return ret;
-- 
2.11.0