[v2] net/i40e: fix FPK VF overwrite PF RSS LUT

Message ID 20190115022345.108212-1-yanglong.wu@intel.com
State Accepted, archived
Delegated to: Qi Zhang
Headers show
Series
  • [v2] net/i40e: fix FPK VF overwrite PF RSS LUT
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Context Check Description
ci/intel-Performance-Testing success Performance Testing PASS
ci/mellanox-Performance-Testing success Performance Testing PASS
ci/Intel-compilation success Compilation OK
ci/checkpatch success coding style OK

Commit Message

Yanglong Wu Jan. 15, 2019, 2:23 a.m.
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

Signed-off-by: Yanglong Wu <yanglong.wu@intel.com>
---
 drivers/net/i40e/i40e_ethdev.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

Comments

Zhang, Qi Z Jan. 15, 2019, 10:51 a.m. | #1
> -----Original Message-----
> From: Wu, Yanglong
> Sent: Tuesday, January 15, 2019 10:24 AM
> To: dev@dpdk.org
> Cc: Hall, Ryan E <ryan.e.hall@intel.com>; Zhang, Qi Z <qi.z.zhang@intel.com>;
> Wu, Yanglong <yanglong.wu@intel.com>; stable@dpdk.org
> Subject: [PATCH v2] net/i40e: fix FPK VF overwrite PF RSS LUT
> 

Change title to "fix VF overwrite PF RSS LUT for X722"

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

s/rigister/register

> 
> Fixes: d0a349409bd7 ("i40e: support AQ based RSS config")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Yanglong Wu <yanglong.wu@intel.com>

Acked-by: Qi Zhang <qi.z.zhang@intel.com>

Applied to dpdk-next-net-intel with above minor fix.

Thanks
Qi

Patch

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index a6b97e164..f97cd5348 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -4183,7 +4183,8 @@  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,
+		ret = i40e_aq_get_rss_lut(hw, vsi->vsi_id,
+					  vsi->type != I40E_VSI_SRIOV,
 					  lut, lut_size);
 		if (ret) {
 			PMD_DRV_LOG(ERR, "Failed to get RSS lookup table");
@@ -4222,7 +4223,8 @@  i40e_set_rss_lut(struct i40e_vsi *vsi, uint8_t *lut, uint16_t lut_size)
 	hw = I40E_VSI_TO_HW(vsi);
 
 	if (pf->flags & I40E_FLAG_RSS_AQ_CAPABLE) {
-		ret = i40e_aq_set_rss_lut(hw, vsi->vsi_id, TRUE,
+		ret = i40e_aq_set_rss_lut(hw, vsi->vsi_id,
+					  vsi->type != I40E_VSI_SRIOV,
 					  lut, lut_size);
 		if (ret) {
 			PMD_DRV_LOG(ERR, "Failed to set RSS lookup table");