[ofa-general] [PATCH] opensm/opensm/osm_subnet.c: add a comment of valid "force_link_speed" values

[Ira Weiny]

On Thu, 24 Jan 2008 13:33:42 -0800
Hal Rosenstock <hrosenstock at xsigo.com> wrote:

> On Wed, 2008-01-23 at 12:40 -0800, Ira Weiny wrote: 
> > >From 020618d66bdcecba6f49bc7f48ae40485d657437 Mon Sep 17 00:00:00 2001
> > From: Ira K. Weiny <weiny2 at llnl.gov>
> > Date: Wed, 23 Jan 2008 12:39:05 -0800
> > Subject: [PATCH] opensm/opensm/osm_subnet.c: add a comment of valid "force_link_speed" values
> > 
> > 
> > Signed-off-by: Ira K. Weiny <weiny2 at llnl.gov>
> > ---
> >  opensm/opensm/osm_subnet.c |   13 +++++++++++--
> >  1 files changed, 11 insertions(+), 2 deletions(-)
> > 
> > diff --git a/opensm/opensm/osm_subnet.c b/opensm/opensm/osm_subnet.c
> > index c9b4d57..7b14e0c 100644
> > --- a/opensm/opensm/osm_subnet.c
> > +++ b/opensm/opensm/osm_subnet.c
> > @@ -1469,10 +1469,19 @@ ib_api_status_t osm_subn_write_conf_file(IN osm_subn_opt_t * const p_opts)
> >  		"leaf_head_of_queue_lifetime 0x%02x\n\n"
> >  		"# Limit the maximal operational VLs\n"
> >  		"max_op_vls %u\n\n"
> > -		"# Force link speed enable on switch links\n"
> > +		"# Force PortInfo:LinkSpeedEnabled on switch ports\n"
> >  		"# If 0, don't modify PortInfo:LinkSpeedEnabled on switch port\n"
> >  		"# Otherwise, use value for PortInfo:LinkSpeedEnabled on switch port\n"
> > -		"# Default is 15 (to set to PortInfo:LinkSpeedSupported)\n\n"
> > +		"# Values are (IB Spec 1.2, 14.2.5.6 Table 145 \"PortInfo\")\n"
> > +		"#    1: 2.5 Gbps\n"
> > +		"#    2: 5.0 Gbps\n"
> > +		"#    3: 2.5 or 5.0 Gbps\n"
> > +		"#    4: 10.0 Gbps\n"
> > +		"#    5: 2.5 or 10.0 Gbps\n"
> > +		"#    6: 5.0 or 10.0 Gbps\n"
> > +		"#    7: 2.5 or 5.0 or 10.0 Gbps\n"
> 
> Should the values be per IBA 1.2.1 r.t. 1.2 ?

I'm sorry did I miss the release of 1.2.1?  I got those out of the 1.2 Release
PDF.  Are they different in 1.2.1?

Ira

> 
> > +		"#    8-14: Reserved\n"
> > +		"#    Default 15: set to PortInfo:LinkSpeedSupported\n\n"
> >  		"force_link_speed %u\n\n"
> >  		"# The subnet_timeout code that will be set for all the ports\n"
> >  		"# The actual timeout is 4.096usec * 2^<subnet_timeout>\n"
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