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boundary="------------soxuG2T5mjm0zQq3V4Mw2Vdu"; protected-headers="v1" Message-ID: Date: Wed, 5 Nov 2025 14:15:58 -0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH net-next v3] net: mana: Fix incorrect speed reported by debugfs To: Erni Sri Satya Vennela , kys@microsoft.com, haiyangz@microsoft.com, wei.liu@kernel.org, decui@microsoft.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, shradhagupta@linux.microsoft.com, ssengar@linux.microsoft.com, dipayanroy@linux.microsoft.com, shirazsaleem@microsoft.com, kotaranov@microsoft.com, longli@microsoft.com, linux-hyperv@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org References: <1762369468-32570-1-git-send-email-ernis@linux.microsoft.com> Content-Language: en-US From: Jacob Keller Autocrypt: addr=jacob.e.keller@intel.com; keydata= xjMEaFx9ShYJKwYBBAHaRw8BAQdAE+TQsi9s60VNWijGeBIKU6hsXLwMt/JY9ni1wnsVd7nN J0phY29iIEtlbGxlciA8amFjb2IuZS5rZWxsZXJAaW50ZWwuY29tPsKTBBMWCgA7FiEEIEBU qdczkFYq7EMeapZdPm8PKOgFAmhcfUoCGwMFCwkIBwICIgIGFQoJCAsCBBYCAwECHgcCF4AA CgkQapZdPm8PKOiZAAEA4UV0uM2PhFAw+tlK81gP+fgRqBVYlhmMyroXadv0lH4BAIf4jLxI UPEL4+zzp4ekaw8IyFz+mRMUBaS2l+cpoBUBzjgEaFx9ShIKKwYBBAGXVQEFAQEHQF386lYe MPZBiQHGXwjbBWS5OMBems5rgajcBMKc4W4aAwEIB8J4BBgWCgAgFiEEIEBUqdczkFYq7EMe apZdPm8PKOgFAmhcfUoCGwwACgkQapZdPm8PKOjbUQD+MsPBANqBUiNt+7w0dC73R6UcQzbg cFx4Yvms6cJjeD4BAKf193xbq7W3T7r9BdfTw6HRFYDiHXgkyoc/2Q4/T+8H In-Reply-To: <1762369468-32570-1-git-send-email-ernis@linux.microsoft.com> --------------soxuG2T5mjm0zQq3V4Mw2Vdu Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 11/5/2025 11:04 AM, Erni Sri Satya Vennela wrote: > Once the netshaper is created for MANA, the current bandwidth > is reported in debugfs like this: >=20 > $ sudo ./tools/net/ynl/pyynl/cli.py \ > --spec Documentation/netlink/specs/net_shaper.yaml \ > --do set \ > --json '{"ifindex":'3', > "handle":{ "scope": "netdev", "id":'1' }, > "bw-max": 200000000 }' > None >=20 > $ sudo cat /sys/kernel/debug/mana/1/vport0/current_speed > 200 >=20 > After the shaper is deleted, it is expected to report > the maximum speed supported by the SKU. But currently it is > reporting 0, which is incorrect. >=20 > Fix this inconsistency, by resetting apc->speed to apc->max_speed > during deletion of the shaper object. This will improve > readability and debuggability. >=20 > Signed-off-by: Erni Sri Satya Vennela > --- Reviewed-by: Jacob Keller > Changes in v3: > * Remove Fixes tag.> Changes in v2: > * Add Fixes tag. > --- > drivers/net/ethernet/microsoft/mana/mana_en.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) >=20 > diff --git a/drivers/net/ethernet/microsoft/mana/mana_en.c b/drivers/ne= t/ethernet/microsoft/mana/mana_en.c > index 0142fd98392c..9d56bfefd755 100644 > --- a/drivers/net/ethernet/microsoft/mana/mana_en.c > +++ b/drivers/net/ethernet/microsoft/mana/mana_en.c > @@ -814,7 +814,7 @@ static int mana_shaper_del(struct net_shaper_bindin= g *binding, > /* Reset mana port context parameters */ > apc->handle.id =3D 0; > apc->handle.scope =3D NET_SHAPER_SCOPE_UNSPEC; > - apc->speed =3D 0; > + apc->speed =3D apc->max_speed; > } > =20 > return err; --------------soxuG2T5mjm0zQq3V4Mw2Vdu-- --------------Z3Zpa0dAhOo0qKYjYgmOGhLW Content-Type: application/pgp-signature; name="OpenPGP_signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="OpenPGP_signature.asc" -----BEGIN PGP SIGNATURE----- wnoEABYIACMWIQQgQFSp1zOQVirsQx5qll0+bw8o6AUCaQvMngUDAAAAAAAKCRBqll0+bw8o6MUS AP9f+WO6RGjfqCeor6Go/m3c4xR6AxyIA8BAbWy2IIZn7gD48/LqOTT9RVftqe4mJBuoUdfOmSix sNE5RLcJuVpOCg== =WZWa -----END PGP SIGNATURE----- --------------Z3Zpa0dAhOo0qKYjYgmOGhLW--