netdev - RE: [EXT] [PATCH iwl-net v2 1/2] igc: Report VLAN EtherType matching back to user

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Message-ID: <87fs0m2gn2.fsf@kurt>
Date: Fri, 01 Dec 2023 14:31:45 +0100
From: Kurt Kanzenbach <kurt@...utronix.de>
To: Suman Ghosh <sumang@...vell.com>, Jesse Brandeburg
 <jesse.brandeburg@...el.com>, Tony Nguyen <anthony.l.nguyen@...el.com>,
 Vinicius Costa Gomes <vinicius.gomes@...el.com>
Cc: "David S. Miller" <davem@...emloft.net>, Eric Dumazet
 <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni
 <pabeni@...hat.com>, "intel-wired-lan@...ts.osuosl.org"
 <intel-wired-lan@...ts.osuosl.org>, "netdev@...r.kernel.org"
 <netdev@...r.kernel.org>
Subject: RE: [EXT] [PATCH iwl-net v2 1/2] igc: Report VLAN EtherType
 matching back to user

Hi Suman,

On Fri Dec 01 2023, Suman Ghosh wrote:
> Hi Kurt,
>
>
>>+	if (rule->filter.match_flags & IGC_FILTER_FLAG_VLAN_ETYPE) {
>>+		fsp->flow_type |= FLOW_EXT;
>>+		fsp->h_ext.vlan_etype = rule->filter.vlan_etype;
>>+		fsp->m_ext.vlan_etype = ETHER_TYPE_FULL_MASK;
> [Suman] User can provide mask for vlan-etype as well. Why not take
> that rather than hard coding it? I checked you are already doing the
> same for TCI in the other patch.

Currently the driver allows/supports to match the VLAN EtherType only by
full mask. That is different from TCI, where two different mask values
are possible.

Thanks,
Kurt

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