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charset="us-ascii" Content-Transfer-Encoding: quoted-printable Thank you, I will take a look and get back to you. -john From: Kevin Traynor Date: Wednesday, March 15, 2023 at 10:47 AM To: John Daley (johndale) , Hyong Youb Kim (hyonkim) Cc: Luca Boccassi , David Marchand , dev@dpdk.org Subject: Fwd: [Bug 1185] enic: no longer accepting 2048 descriptor size in = 20.11.6 Hi John/Hyong Youb, Not sure if you are monitoring dpdk bugzilla, but wanted to draw your attention to https://bugs.dpdk.org/show_bug.cgi?id=3D1185 Maybe you have some clues about it and if we need to backport the mentioned commit? thanks, Kevin. -------- Forwarded Message -------- Subject: [Bug 1185] enic: no longer accepting 2048 descriptor size in 20.11.6 Date: Wed, 15 Mar 2023 17:33:52 +0000 From: bugzilla@dpdk.org To: dev@dpdk.org https://bugs.dpdk.org/show_bug.cgi?id=3D1185 Bug ID: 1185 Summary: enic: no longer accepting 2048 descriptor size in 20.11.6 Product: DPDK Version: 20.11 Hardware: All OS: All Status: UNCONFIRMED Severity: normal Priority: Normal Component: core Assignee: dev@dpdk.org Reporter: ktraynor@redhat.com Target Milestone: --- Hi enic maintainers, With openvswitch 2.15 using dpdk 20.11.6, enic driver is reporting that it cannot accept setup with default OVS number of tx descriptors (2048). 2022-08-19T16:29:38.555Z|00204|dpdk|ERR|Invalid value for nb_tx_desc(=3D204= 8), should be: <=3D 256, >=3D 64, and a product of 32 OVS has used 2048 as default for many years and the code in 20.11.6 does no= t look like it changed much from previous releases either. The commit below [0] on dpdk main branch (but not on 20.11 branch), changes how max descriptor values are calculated. So any idea why the 2048 can no longer be used with 20.11.6 ? some commit I missed? different firmware? or is it an incorrect calculation and the commit [0] is needed on stable branches to correct this? Thanks. Reference: https://bugzilla.redhat.com/show_bug.cgi?id=3D2119876 [0] commit 22572e84fbda2c195707ffbb0dd6af4433d7a219 Author: John Daley Date: Fri Jan 28 09:58:13 2022 -0800 net/enic: support max descriptors allowed by adapter Newer VIC adapters have the max number of supported RX and TX descriptors in their configuration. Use these values as the maximums. Signed-off-by: John Daley Reviewed-by: Hyong Youb Kim -- You are receiving this mail because: You are the assignee for the bug. --_000_BYAPR11MB2535337074B5A82B0B45472ACFBF9BYAPR11MB2535namp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Thank you, I will t= ake a look and get back to you.

-john

 

From: Kevin Traynor <k= traynor@redhat.com>
Date: Wednesday, March 15, 2023 at 10:47 AM
To: John Daley (johndale) <johndale@cisco.com>, Hyong Youb Kim= (hyonkim) <hyonkim@cisco.com>
Cc: Luca Boccassi <bluca@debian.org>, David Marchand <david= .marchand@redhat.com>, dev@dpdk.org <dev@dpdk.org>
Subject: Fwd: [Bug 1185] enic: no longer accepting 2048 descriptor s= ize in 20.11.6

Hi John/Hyong Youb,

Not sure if you are monitoring dpdk bugzilla, but wanted to draw your
attention to https= ://bugs.dpdk.org/show_bug.cgi?id=3D1185

Maybe you have some clues about it and if we need to backport the
mentioned commit?

thanks,
Kevin.

-------- Forwarded Message --------
Subject: [Bug 1185] enic: no longer accepting 2048 descriptor size in
20.11.6
Date: Wed, 15 Mar 2023 17:33:52 +0000
From: bugzilla@dpdk.org
To: dev@dpdk.org

https://bugs.dpdk.= org/show_bug.cgi?id=3D1185

             Bu= g ID: 1185
            Summary:= enic: no longer accepting 2048 descriptor size in
            &nb= sp;        20.11.6
            Product:= DPDK
            Version:= 20.11
           Hardware: All<= br>             &nb= sp;    OS: All
             St= atus: UNCONFIRMED
           Severity: norm= al
           Priority: Norm= al
          Component: core
           Assignee: dev@= dpdk.org
           Reporter: ktra= ynor@redhat.com
   Target Milestone: ---

Hi enic maintainers,

With openvswitch 2.15 using dpdk 20.11.6, enic driver is reporting that it<= br> cannot accept setup with default OVS number of tx descriptors (2048).

2022-08-19T16:29:38.555Z|00204|dpdk|ERR|Invalid value for nb_tx_desc(=3D204= 8),
should be: <=3D 256, >=3D 64, and a product of 32

OVS has used 2048 as default for many years and the code in 20.11.6 does no= t
look like it changed much from previous releases either.

The commit below [0] on dpdk main branch (but not on 20.11 branch),
changes how
max descriptor values are calculated.

So any idea why the 2048 can no longer be used with 20.11.6 ? some commit I=
missed? different firmware?

or is it an incorrect calculation and the commit [0] is needed on stable branches to correct this?

Thanks.

Reference: https://bugzilla.redhat.com/show_bug.cgi?id=3D2119876

[0]
commit 22572e84fbda2c195707ffbb0dd6af4433d7a219
Author: John Daley <johndale@cisco.com>
Date:   Fri Jan 28 09:58:13 2022 -0800

     net/enic: support max descriptors allowed by adapt= er

     Newer VIC adapters have the max number of supporte= d RX and TX
     descriptors in their configuration. Use these valu= es as the
     maximums.

     Signed-off-by: John Daley <johndale@cisco.com&g= t;
     Reviewed-by: Hyong Youb Kim <hyonkim@cisco.com&= gt;

--
You are receiving this mail because:
You are the assignee for the bug.

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