netdev - RE: [Linux-stm32] [PATCH] net: stmmac: remove the limitation of adding vlan in promisc mode

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

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) {
> 
> --
> Pengutronix e.K.                           |
> |
> Steuerwalder Str. 21                       |
> https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.pe
> ngutronix.de%2F&data=05%7C01%7Cxiaoning.wang%40nxp.com%7C3fccb853
> 586d4904486908db341f4882%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%
> 7C0%7C638161081182421273%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4w
> LjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C
> %7C%7C&sdata=UoMfM69d4Y5OI7ant5UNlNCl81tls45On6hsZQeZZH8%3D&r
> eserved=0  |
> 31137 Hildesheim, Germany                  | Phone: +49-5121-206917-0
> |
> Amtsgericht Hildesheim, HRA 2686           | Fax:
> +49-5121-206917-5555 |