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Message-ID: <AM0PR04MB5089AD62F07221A7FC326E85F3929@AM0PR04MB5089.eurprd04.prod.outlook.com>
Date: Mon, 3 Apr 2023 08:43:54 +0000
From: Clark Wang <xiaoning.wang@....com>
To: Ahmad Fatoum <a.fatoum@...gutronix.de>,
"peppe.cavallaro@...com" <peppe.cavallaro@...com>,
"alexandre.torgue@...s.st.com" <alexandre.torgue@...s.st.com>,
"joabreu@...opsys.com" <joabreu@...opsys.com>,
"davem@...emloft.net" <davem@...emloft.net>,
"edumazet@...gle.com" <edumazet@...gle.com>,
"kuba@...nel.org" <kuba@...nel.org>,
"pabeni@...hat.com" <pabeni@...hat.com>,
"mcoquelin.stm32@...il.com" <mcoquelin.stm32@...il.com>
CC: "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
"linux-stm32@...md-mailman.stormreply.com"
<linux-stm32@...md-mailman.stormreply.com>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [Linux-stm32] [PATCH] net: stmmac: remove the limitation of
adding vlan in promisc mode
Hi Ahmad,
> -----Original Message-----
> From: Ahmad Fatoum <a.fatoum@...gutronix.de>
> Sent: 2023年4月3日 16:42
> To: Clark Wang <xiaoning.wang@....com>; peppe.cavallaro@...com;
> alexandre.torgue@...s.st.com; joabreu@...opsys.com;
> davem@...emloft.net; edumazet@...gle.com; kuba@...nel.org;
> pabeni@...hat.com; mcoquelin.stm32@...il.com
> Cc: netdev@...r.kernel.org; linux-stm32@...md-mailman.stormreply.com;
> linux-arm-kernel@...ts.infradead.org; linux-kernel@...r.kernel.org
> Subject: Re: [Linux-stm32] [PATCH] net: stmmac: remove the limitation of
> adding vlan in promisc mode
>
> Hello Clark,
>
> On 03.04.23 10:17, Clark Wang wrote:
> > When using brctl to add eqos to a bridge, it will frist set eqos to
> > promisc mode and then set a VLAN for this bridge with a filer VID
> > value of 1.
> >
> > These two error returns limit the use of brctl, resulting in the
> > inability of the bridge to be enabled on eqos. So remove them.
> >
> > Signed-off-by: Clark Wang <xiaoning.wang@....com>
>
> Please add a suitable Fixes: tag pointing at the commit introducing the
> regression.
Thanks. I will add it in V2.
Best Regards,
Clark Wang
>
> Thanks,
> Ahmad
>
> > ---
> > drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c | 12 ------------
> > 1 file changed, 12 deletions(-)
> >
> > diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
> > b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
> > index 8c7a0b7c9952..64bbe15a699e 100644
> > --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
> > +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
> > @@ -472,12 +472,6 @@ static int dwmac4_add_hw_vlan_rx_fltr(struct
> net_device *dev,
> > if (vid > 4095)
> > return -EINVAL;
> >
> > - if (hw->promisc) {
> > - netdev_err(dev,
> > - "Adding VLAN in promisc mode not supported\n");
> > - return -EPERM;
> > - }
> > -
> > /* Single Rx VLAN Filter */
> > if (hw->num_vlan == 1) {
> > /* For single VLAN filter, VID 0 means VLAN promiscuous */ @@
> > -527,12 +521,6 @@ static int dwmac4_del_hw_vlan_rx_fltr(struct
> > net_device *dev, {
> > int i, ret = 0;
> >
> > - if (hw->promisc) {
> > - netdev_err(dev,
> > - "Deleting VLAN in promisc mode not supported\n");
> > - return -EPERM;
> > - }
> > -
> > /* Single Rx VLAN Filter */
> > if (hw->num_vlan == 1) {
> > if ((hw->vlan_filter[0] & GMAC_VLAN_TAG_VID) == vid) {
>
> --
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