[PATCH] [v2] Nios2: Add Altera TSE MAC driver

Franck JULLIEN franck.jullien at gmail.com
Mon Apr 11 03:23:56 EDT 2011


2011/4/11 Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>

> On 20:21 Sun 10 Apr     , Franck JULLIEN wrote:
> >    2011/4/10 Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
> >
> >      >      > index 0000000..2687377
> >      >      > --- /dev/null
> >      >      > +
> >      >      > +static int tse_get_ethaddr(struct eth_device *edev,
> unsigned
> >      char *m)
> >      >      > +{
> >      >      > +     /* There is no eeprom */
> >      >      so return the content of the register no?
> >      >
> >      >    Well, the register is reseted to 0 when the MAC starts so there
> is
> >      no
> >      >    Ethernet address
> >      >    to get.
> >      >
> >      except this function is supposed to return the mac address of the
> device
> >      at
> >      any time so after a set of it it will not be true any more
> >
> >    If I implement the function I get a "eth at eth0: got MAC address from
> >    EEPROM: 00:00:00:00:00:00" at startup.
> >    That why I returned -1 as what I could find int at91_ether.c......
> >    Or, I could find something to return -1 as long as the MAC address
> hasn't
> >    been set.
> >
> I known this issue I re-write recently the at91_ether and the same on macb
> will post the patch soon
>
> It's fine the uperlayer will see that it's not a valid mac so this will
> generate a random one
> cf net/net.c IIRC
>
>
For me, it's a bit annoying  to get this message at startup.

Don't you really think I could have a flag in the private structure to check
if an address has been set and then return -1 or the address in the
tse_get_ethaddr function ?



> Best Regads,
> J.
>
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