From: Grygorii Strashko <grygorii.strashko@ti.com>
To: Jakub Kicinski <kuba@kernel.org>
Cc: "David S. Miller" <davem@davemloft.net>, <netdev@vger.kernel.org>,
Vignesh Raghavendra <vigneshr@ti.com>,
Sekhar Nori <nsekhar@ti.com>, <linux-kernel@vger.kernel.org>,
<linux-omap@vger.kernel.org>,
Murali Karicheri <m-karicheri2@ti.com>
Subject: Re: [PATCH net-next 0/8] net: ethernet: ti: am65-cpsw: add multi port support in mac-only mode
Date: Fri, 2 Oct 2020 12:56:43 +0300 [thread overview]
Message-ID: <c758885c-6834-e689-2356-81291e4628e8@ti.com> (raw)
In-Reply-To: <20201001160847.3b5d91f1@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
On 02/10/2020 02:08, Jakub Kicinski wrote:
> On Thu, 1 Oct 2020 13:52:50 +0300 Grygorii Strashko wrote:
>> This series adds multi-port support in mac-only mode (multi MAC mode) to TI
>> AM65x CPSW driver in preparation for enabling support for multi-port devices,
>> like Main CPSW0 on K3 J721E SoC or future CPSW3g on K3 AM64x SoC.
>>
>> The multi MAC mode is implemented by configuring every enabled port in "mac-only"
>> mode (all ingress packets are sent only to the Host port and egress packets
>> directed to target Ext. Port) and creating separate net_device for
>> every enabled Ext. port.
>
> Do I get it right that you select the mode based on platform? Can the
> other mode still be supported on these platforms?
>
> Is this a transition to normal DSA mode where ports always have netdevs?
>
The idea here is to start in multi mac mode by default, as we still have pretty high demand for this.
Then, and we are working on it, the switchdev mode is going to be introduces (not DSA).
The switch between modes will happen by using devlink option -
the approach is similar to what was used for Sitara CPSW cpsw_new.c driver [1].
[1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/net/ethernet/ti/cpsw_new.c
--
Best regards,
grygorii
next prev parent reply other threads:[~2020-10-02 9:56 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-01 10:52 [PATCH net-next 0/8] net: ethernet: ti: am65-cpsw: add multi port support in mac-only mode Grygorii Strashko
2020-10-01 10:52 ` [PATCH net-next 1/8] net: ethernet: ti: am65-cpsw: move ale selection in pdata Grygorii Strashko
2020-10-01 10:52 ` [PATCH net-next 2/8] net: ethernet: ti: am65-cpsw: move free desc queue mode " Grygorii Strashko
2020-10-01 10:52 ` [PATCH net-next 3/8] net: ethernet: ti: am65-cpsw: use cppi5_desc_is_tdcm() Grygorii Strashko
2020-10-01 10:52 ` [PATCH net-next 4/8] net: ethernet: ti: cpsw_ale: add cpsw_ale_vlan_del_modify() Grygorii Strashko
2020-10-01 10:52 ` [PATCH net-next 5/8] net: ethernet: ti: am65-cpsw: fix vlan offload for multi mac mode Grygorii Strashko
2020-10-01 10:52 ` [PATCH net-next 6/8] net: ethernet: ti: am65-cpsw: keep active if cpts enabled Grygorii Strashko
2020-10-01 10:52 ` [PATCH net-next 7/8] net: ethernet: ti: am65-cpsw: prepare xmit/rx path for multi-port devices in mac-only mode Grygorii Strashko
2020-10-03 2:09 ` David Miller
2020-10-05 10:28 ` Grygorii Strashko
2020-10-01 10:52 ` [PATCH net-next 8/8] net: ethernet: ti: am65-cpsw: add multi port support " Grygorii Strashko
2020-10-01 23:08 ` [PATCH net-next 0/8] " Jakub Kicinski
2020-10-02 9:56 ` Grygorii Strashko [this message]
2020-10-02 23:04 ` Jakub Kicinski
2020-10-02 23:07 ` Jakub Kicinski
2020-10-05 10:16 ` Grygorii Strashko
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