[ofa-general] [PATCH 1/4] multicast multiplexing - definitions for new data types, and infrastructure functions

[Slava Strebkov]

-Agreed, special groups (except SNM) will not be compressed into same
MLID.
Slava

-----Original Message-----
From: Or Gerlitz 
Sent: Monday, July 20, 2009 1:04 PM
To: Slava Strebkov
Cc: Eli Dorfman; general at lists.openfabrics.org
Subject: Re: [ofa-general] [PATCH 1/4] multicast multiplexing -
definitions for new data types, and infrastructure functions

Slava Strebkov wrote:
> This thread covers implementation of compression multiple MGIDs to one
MLID. The following groups of IP addresses will have same MLID (for all
pkey):
> 1. FF12401bxxxx000000000000FFFFFFFF - All Nodes
> 2. FF12401bxxxx00000000000000000001 - All hosts
> 3. FF12401bffff0000000000000000004d - all Gateways
> 4. FF12401bxxxx00000000000000000002 - all routers
> 5. FF12601bxxxx000000000001ffxxxxxx - IPv6 SNM
>   
I think we better avoid compressing the pkey as well. Think what happens

when a packet is sent to the all hosts and with your patch is routed to 
N partitions each one having M hosts, (N-1) * M hosts will generate 
invalid pkey trap! IB partitioning is a means to separate nodes, and 
here you attempt to enforce a violation...

Or.