[spp] [RFC] assign global unique port ID

[Yasufumi Ogawa <ogawa.yasufumi@lab.ntt.co.jp>]

Hi, Gerald, Sy Jong,

In spp, port ID is assigned as a number incrementally and the number of 
ID can be different from each sec processes. For instance, ring 0 is 
added to sec 1 at first while it is added to sec 2 after ring 1, ring 0 
is referred as port 2 from sec 1 and port 3 from sec 2.

   spp > sec 1;status
   ...
   port id: 0,on,PHY,outport: -99
   port id: 1,on,PHY,outport: -99
   port id: 2,on,RING(0),outport: -99  # ring 0 is referred as port 2

   spp > sec 2;status
   ...
   port id: 0,on,PHY,outport: -99
   port id: 1,on,PHY,outport: -99
   port id: 2,on,RING(1),outport: -99
   port id: 3,on,RING(0),outport: -99  # ring 0 is referred as port 3

User always has to check the status any time patching to avoid mistake. 
However, it must be annoying and an error is possibly happened.

I propose to assign global unique ID for port. In this update, port ID 
is referred as a combination of PMD type and its ID, not a number. For 
instance,

   (Before) spp> patch 0 2
   (After)  spp> patch phy:0 ring:0  # means to patch from phy 0 to ring 0

If you agree, I would like to send patches for update.

Thanks,
Yasufumi

-- 
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Yasufumi Ogawa
NTT Network Service Systems Labs
tel: 0422(59)5776  fax: 0422(59)5653
email: ogawa.yasufumi@lab.ntt.co.jp
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