[dpdk-dev] net/i40e: fix setting MAC address on i40evf

Message ID 1515494264-73121-1-git-send-email-beilei.xing@intel.com (mailing list archive)
State Accepted, archived
Delegated to: Helin Zhang
Headers

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation success Compilation OK

Commit Message

Xing, Beilei Jan. 9, 2018, 10:37 a.m. UTC
  New mac address is copied to dev->data->mac_addrs[0]
before calling setting MAC address ops. So it will fail
when deleting dev->data->mac_addrs[0].
Deleting hw->mac.addr will fix the issue.

Fixes: 943c2d899a0c ("net/i40e: set VF MAC from VF")
Cc: stable@dpdk.org

Signed-off-by: Beilei Xing <beilei.xing@intel.com>
---
 drivers/net/i40e/i40e_ethdev_vf.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
  

Comments

Qi Zhang Jan. 11, 2018, 5:17 a.m. UTC | #1
> -----Original Message-----
> From: Xing, Beilei
> Sent: Tuesday, January 9, 2018 6:38 PM
> To: Zhang, Qi Z <qi.z.zhang@intel.com>
> Cc: dev@dpdk.org; Wu, Jingjing <jingjing.wu@intel.com>; stable@dpdk.org
> Subject: [PATCH] net/i40e: fix setting MAC address on i40evf
> 
> New mac address is copied to dev->data->mac_addrs[0] before calling
> setting MAC address ops. So it will fail when deleting
> dev->data->mac_addrs[0].
> Deleting hw->mac.addr will fix the issue.
> 
> Fixes: 943c2d899a0c ("net/i40e: set VF MAC from VF")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Beilei Xing <beilei.xing@intel.com>

Acked-by: Qi Zhang <qi.z.zhang@intel.com>
  
Zhang, Helin Jan. 13, 2018, 5:46 a.m. UTC | #2
> -----Original Message-----
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Zhang, Qi Z
> Sent: Thursday, January 11, 2018 1:18 PM
> To: Xing, Beilei
> Cc: dev@dpdk.org; Wu, Jingjing; stable@dpdk.org
> Subject: Re: [dpdk-dev] [PATCH] net/i40e: fix setting MAC address on i40evf
> 
> 
> 
> > -----Original Message-----
> > From: Xing, Beilei
> > Sent: Tuesday, January 9, 2018 6:38 PM
> > To: Zhang, Qi Z <qi.z.zhang@intel.com>
> > Cc: dev@dpdk.org; Wu, Jingjing <jingjing.wu@intel.com>;
> > stable@dpdk.org
> > Subject: [PATCH] net/i40e: fix setting MAC address on i40evf
> >
> > New mac address is copied to dev->data->mac_addrs[0] before calling
> > setting MAC address ops. So it will fail when deleting
> > dev->data->mac_addrs[0].
> > Deleting hw->mac.addr will fix the issue.
> >
> > Fixes: 943c2d899a0c ("net/i40e: set VF MAC from VF")
> > Cc: stable@dpdk.org
> >
> > Signed-off-by: Beilei Xing <beilei.xing@intel.com>
> 
> Acked-by: Qi Zhang <qi.z.zhang@intel.com>

Applied to dpdk-next-net-intel, thanks!

/Helin
  

Patch

diff --git a/drivers/net/i40e/i40e_ethdev_vf.c b/drivers/net/i40e/i40e_ethdev_vf.c
index 31a8c77..5bbe2b2 100644
--- a/drivers/net/i40e/i40e_ethdev_vf.c
+++ b/drivers/net/i40e/i40e_ethdev_vf.c
@@ -2658,6 +2658,7 @@  i40evf_set_default_mac_addr(struct rte_eth_dev *dev,
 			    struct ether_addr *mac_addr)
 {
 	struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
+	struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 
 	if (!is_valid_assigned_ether_addr(mac_addr)) {
 		PMD_DRV_LOG(ERR, "Tried to set invalid MAC address.");
@@ -2667,7 +2668,9 @@  i40evf_set_default_mac_addr(struct rte_eth_dev *dev,
 	if (vf->flags & I40E_FLAG_VF_MAC_BY_PF)
 		return;
 
-	i40evf_del_mac_addr_by_addr(dev, dev->data->mac_addrs);
+	i40evf_del_mac_addr_by_addr(dev, (struct ether_addr *)hw->mac.addr);
 
 	i40evf_add_mac_addr(dev, mac_addr, 0, 0);
+
+	ether_addr_copy(mac_addr, (struct ether_addr *)hw->mac.addr);
 }