[dts] [PATCH] fix bug that unbound device then run dts will show wrong interface

[Liu, Yong]

Thanks, not need 'up' string, will send out V2 patch.

> -----Original Message-----
> From: Qiu, Michael
> Sent: Wednesday, July 08, 2015 3:24 PM
> To: Liu, Yong; dts at dpdk.org
> Subject: Re: [dts] [PATCH] fix bug that unbound device then run dts will
> show wrong interface
> 
> On 7/8/2015 2:19 PM, Yong Liu wrote:
> > From: Marvin Liu <yong.liu at intel.com>
> >
> > Previously net device interface name only captured in initialization
> process.
> > Now every time call get interface function will update it.
> >
> > Signed-off-by: Marvin Liu <yong.liu at intel.com>
> >
> > diff --git a/framework/net_device.py b/framework/net_device.py
> > index f8ad098..a187d27 100644
> > --- a/framework/net_device.py
> > +++ b/framework/net_device.py
> > @@ -59,7 +59,7 @@ class NetDevice(object):
> >
> >          if self.nic_is_pf():
> >              self.default_vf_driver = ''
> > -        self.intf_name = self.get_interface_name()
> > +        self.get_interface_name()
> >          self.socket = self.get_nic_socket()
> >
> >      def __send_expect(self, cmds, expected, timeout=TIMEOUT,
> alt_session=True):
> > @@ -126,11 +126,18 @@ class NetDevice(object):
> >      def get_interface_name(self):
> >          """
> >          Get interface name of specified pci device.
> > +        Cal this function will update intf_name everytime
> >          """
> >          get_interface_name = getattr(
> >              self, 'get_interface_name_%s' %
> >              self.__get_os_type())
> > -        return get_interface_name(self.bus_id, self.devfun_id,
> self.current_driver)
> > +        out = get_interface_name(self.bus_id, self.devfun_id,
> self.current_driver)
> > +        if "No such file or directory up" in out:
> > +            self.intf_name = 'N/A'
> > +        else:
> > +            self.intf_name = out
> > +
> > +        return self.intf_name
> >
> >      def get_interface_name_linux(self, bus_id, devfun_id, driver):
> >          """
> > @@ -197,7 +204,11 @@ class NetDevice(object):
> >          Get mac address of specified pci device.
> >          """
> >          get_mac_addr = getattr(self, 'get_mac_addr_%s' %
> self.__get_os_type())
> > -        return get_mac_addr(self.intf_name, self.bus_id, self.devfun_id,
> self.current_driver)
> > +        out = get_mac_addr(self.intf_name, self.bus_id, self.devfun_id,
> self.current_driver)
> > +        if "No such file or directory up" in out:
> 
> Here does "up" need?
> 
> > +            return 'N/A'
> > +        else:
> > +            return out
> >
> >      def get_mac_addr_linux(self, intf, bus_id, devfun_id, driver):
> >          """