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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable ________________________________ From: Zhang, Qi Z Sent: 17 January 2023 07:24 To: Vipin P R ; Wu, Jingjing ; Xi= ng, Beilei Cc: dev@dpdk.org ; stable@dpdk.org Subject: RE: [PATCH] Intel iavf: Return in the case of ADD/DEL ETH address !! External Email > -----Original Message----- > From: Vipin P R > Sent: Friday, January 13, 2023 9:19 PM > To: Wu, Jingjing ; Xing, Beilei > Cc: dev@dpdk.org; Vipin P R ; stable@dpdk.org > Subject: [PATCH] Intel iavf: Return in the case of ADD/DEL ETH address > > In case of i40vf, VIRTCHNL_OP_DEL_ETH_ADDR and > VIRTCHNL_OP_ADD_ETH_ADDR are unsupported. > i40evf_execute_vf_cmd is invoked with these operations as part of > i40evf_set_mc_addr_list() > > The cases are not handled in i40evf_execute_vf_cmd() thus hitting the > default case. > There is a retry logic of upto 200 times (2000 in iavf) with a delay of 1= 0ms (1ms > in iavf). > This results in a needless delay of 2s in the init phase for each VNIC. > Sorry I didn't get this, why this is related with i40evf? I40evf PMD has be= en replaced by iavf PMD. The iavf PMD works with both i40e and ice, does this will break ice's usage= ? Hi, this is problem was discovered while using i40vf (which was deprecated = and replaced by iavf). Upon inspecting the code, this problem would also be= hit in iavf, if the VIRTCHNL_OP_DEL_ETH_ADDR and VIRTCHNL_OP_ADD_ETH_ADDR = are not supported. > The patch aims to rectify that delay. > In fe2a571c70cc397f2ad4e280f8d084148fea5d62, i40e_ethdev_vf.c was > deleted. Hence adding this in iavf_vchnl.c. > > Cc: stable@dpdk.org > > Signed-off-by: Vipin P R > --- > drivers/net/iavf/iavf_vchnl.c | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/drivers/net/iavf/iavf_vchnl.c b/drivers/net/iavf/iavf_vchnl.= c index > f92daf9..e2f65f5 100644 > --- a/drivers/net/iavf/iavf_vchnl.c > +++ b/drivers/net/iavf/iavf_vchnl.c > @@ -367,6 +367,14 @@ iavf_execute_vf_cmd(struct iavf_adapter *adapter, > struct iavf_cmd_info *args, > } > _clear_cmd(vf); > break; > + > + case VIRTCHNL_OP_ADD_ETH_ADDR: > + case VIRTCHNL_OP_DEL_ETH_ADDR: > + PMD_DRV_LOG(WARNING, "OP_{ADD/DEL}_ETH_ADDR > unsupported"); > + err =3D 0; > + _clear_cmd(vf); > + break; > + > default: > /* For other virtchnl ops in running time, > * wait for the cmd done flag. > -- > 2.7.4 !! External Email: This email originated from outside of the organization. = Do not click links or open attachments unless you recognize the sender. --_000_DM6PR05MB5577F9DF1A03D0E4722097A1B7DB9DM6PR05MB5577namp_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable


From: Zhang, Qi Z <qi.= z.zhang@intel.com>
Sent: 17 January 2023 07:24
To: Vipin P R <vipinp@vmware.com>; Wu, Jingjing <jingjing.w= u@intel.com>; Xing, Beilei <beilei.xing@intel.com>
Cc: dev@dpdk.org <dev@dpdk.org>; stable@dpdk.org <stable@dp= dk.org>
Subject: RE: [PATCH] Intel iavf: Return in the case of ADD/DEL ETH a= ddress
 
!! External Email

> -----Original Message-----
> From: Vipin P R <vipinp@vmware.com>
> Sent: Friday, January 13, 2023 9:19 PM
> To: Wu, Jingjing <jingjing.wu@intel.com>; Xing, Beilei <beile= i.xing@intel.com>
> Cc: dev@dpdk.org; Vipin P R <vipinp@vmware.com>; stable@dpdk.org=
> Subject: [PATCH] Intel iavf: Return in the case of ADD/DEL ETH address=
>
> In case of i40vf, VIRTCHNL_OP_DEL_ETH_ADDR and
> VIRTCHNL_OP_ADD_ETH_ADDR are unsupported.
> i40evf_execute_vf_cmd is invoked with these operations as part of
> i40evf_set_mc_addr_list()
>
> The cases are not handled in i40evf_execute_vf_cmd() thus hitting the<= br> > default case.
> There is a retry logic of upto 200 times (2000 in iavf) with a delay o= f 10ms (1ms
> in iavf).
> This results in a needless delay of 2s in the init phase for each VNIC= .
>

Sorry I didn't get this, why this is related with i40evf? I40evf PMD has be= en replaced by iavf PMD.
The iavf PMD works with both i40e and ice, does this will break ice's usage= ?

Hi, this is problem was discovered = while using i40vf (which was deprecated and replaced by iavf). Upon inspect= ing the code, this problem would also be hit in iavf, if the VIRTCHNL_OP_DEL_ET= H_ADDR and VIRTCHNL_OP_= ADD_ETH_ADDR are not supported.

> The patch aims to rectify that= delay.
> In fe2a571c70cc397f2ad4e280f8d084148fea5d62, i40e_ethdev_vf.c was
> deleted. Hence adding this in iavf_vchnl.c.
>
> Cc: stable@dpdk.org
>
> Signed-off-by: Vipin P R <vipinp@vmware.com>
> ---
>  drivers/net/iavf/iavf_vchnl.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
>
> diff --git a/drivers/net/iavf/iavf_vchnl.c b/drivers/net/iavf/iavf_vch= nl.c index
> f92daf9..e2f65f5 100644
> --- a/drivers/net/iavf/iavf_vchnl.c
> +++ b/drivers/net/iavf/iavf_vchnl.c
> @@ -367,6 +367,14 @@ iavf_execute_vf_cmd(struct iavf_adapter *adapter,=
> struct iavf_cmd_info *args,
>            = ;   }
>            = ;   _clear_cmd(vf);
>            = ;   break;
> +
> +    case VIRTCHNL_OP_ADD_ETH_ADDR:
> +    case VIRTCHNL_OP_DEL_ETH_ADDR:
> +        PMD_DRV_LOG(WARNING, "= ;OP_{ADD/DEL}_ETH_ADDR
> unsupported");
> +        err =3D 0;
> +        _clear_cmd(vf);
> +        break;
> +
>       default:
>            = ;   /* For other virtchnl ops in running time,
>            = ;    * wait for the cmd done flag.
> --
> 2.7.4


!! External Email: This email originated from outside of the organization. = Do not click links or open attachments unless you recognize the sender.
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