Re: [PATCH V2] net: mhi : Add support to enable ethernet interface

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On Wed, Jul 19, 2023 at 04:08:37PM +0530, Vivek Pernamitta wrote:
> 
> Currently MHI NET driver does not support Ethernet interface,
> 

Please do not top post. Read: https://people.kernel.org/tglx/notes-about-netiquette-qw89

> we are adding Ethernet interface support to MHI NET driver, so new client
> can be configured to be Ethernet type over MHI by setting
> "mhi_device_info.ethernet_if = true"
> 

Which is the new client you are referring to?

> currently we are not changing mhi_swip0/mhi_hwip0 to Ethernet. we are adding
> an provision to configure mhi client as  Ethernet type.
> 

If there are no users of the said provision, then it should not be added now.
You can only add interfaces to kernel if there is atleast one user.

- Mani

> 
> On 7/18/2023 6:13 PM, Manivannan Sadhasivam wrote:
> > On Tue, Jul 18, 2023 at 11:45:28AM +0530, Vivek Pernamitta wrote:
> > > Add support to enable ethernet interface for MHI SWIP channels.
> > > 
> > Please add more info in the commit message i.e., why this interface is added and
> > how it is going to benefit the users etc..
> > 
> > Since you are modifying the existing mhi_swip interface, this isn't an ABI
> > change?
> > 
> > > Signed-off-by: Vivek Pernamitta <quic_vpernami@xxxxxxxxxxx>
> > > Reviewed-by: Daniele Palmas <dnlplm@xxxxxxxxx>
> > > Reviewed-by: Simon Horman <simon.horman@xxxxxxxxxxxx>
> > > ---
> > > 
> > > changes since v1:
> > > 	- Moved to net-next from linux-next	
> > > 	- moved to eth_hw_addr_random() to assign Ethernet MAC address
> > > 	  from eth_random_addr()
> > > ---
> > >   drivers/net/mhi_net.c | 53 ++++++++++++++++++++++++++++++++++++++-------------
> > >   1 file changed, 40 insertions(+), 13 deletions(-)
> > > 
> > > diff --git a/drivers/net/mhi_net.c b/drivers/net/mhi_net.c
> > > index 3d322ac..5bb8d99 100644
> > > --- a/drivers/net/mhi_net.c
> > > +++ b/drivers/net/mhi_net.c
> > [...]
> > 
> > > @@ -380,10 +405,12 @@ static void mhi_net_remove(struct mhi_device *mhi_dev)
> > >   static const struct mhi_device_info mhi_hwip0 = {
> > >   	.netname = "mhi_hwip%d",
> > > +	.ethernet_if = false,
> > >   };
> > >   static const struct mhi_device_info mhi_swip0 = {
> > >   	.netname = "mhi_swip%d",
> > > +	.ethernet_if = false,
> > false?
> yes ,it is false as by default mhi_swip/mhi_hwip interface will be normal
> net device.
> > 
> > - Mani
> > 
> > >   };
> > >   static const struct mhi_device_id mhi_net_id_table[] = {
> > > -- 
> > > 2.7.4
> > > 

-- 
மணிவண்ணன் சதாசிவம்



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