***SPAM*** Re: ***SPAM*** [ofa-general] [PATCH v3] fix local port smlid

[Hal Rosenstock]

On Thu, Mar 5, 2009 at 9:49 AM, Eli Dorfman (Voltaire)
<dorfman.eli at gmail.com> wrote:
> [PATCH] fix local port smlid
>
> when opensm goes from master to standby due to handover its local
> port smlid will be wrong (equal to its own lid).
> the new master opensm will change smlid only after local sm
> (previous master) is in standby and will not query its port again.
>
> Signed-off-by: Eli Dorfman <elid at voltaire.com>
> ---
>  opensm/opensm/osm_req.c |   15 +++++++++++++++
>  1 files changed, 15 insertions(+), 0 deletions(-)
>
> diff --git a/opensm/opensm/osm_req.c b/opensm/opensm/osm_req.c
> index 0865ce5..df138d7 100644
> --- a/opensm/opensm/osm_req.c
> +++ b/opensm/opensm/osm_req.c
> @@ -217,6 +217,7 @@ int osm_send_trap144(osm_sm_t *sm, ib_net16_t local)
>        ib_smp_t *smp;
>        ib_mad_notice_attr_t *ntc;
>        osm_port_t *port;
> +       osm_port_t *master_smport;
>        ib_port_info_t *pi;
>
>        port = osm_get_port_by_guid(sm->p_subn, sm->p_subn->sm_port_guid);
> @@ -229,6 +230,20 @@ int osm_send_trap144(osm_sm_t *sm, ib_net16_t local)
>
>        pi = &port->p_physp->port_info;
>
> +       master_smport = osm_get_port_by_guid(sm->p_subn, sm->master_sm_guid);
> +       if (!port) {

if (!master_smport) {

> +               OSM_LOG(sm->p_log, OSM_LOG_ERROR,
> +                       "ERR 1106: cannot find master SM port by guid 0x%" PRIx64 "\n",
> +                       cl_ntoh64(sm->master_sm_guid));
> +               return -1;
> +       }
> +
> +       /* update local port's smlid - since we may have */
> +       /* wrong value in local portinfo */
> +       /* this may happen when we move to standby and master updates */
> +       /* out smlid but we will not query it */
> +       pi->master_sm_base_lid = master_smport->p_physp->port_info.base_lid;
> +
>        /* don't bother with sending trap when SMA supports this */
>        if (!local &&
>            pi->capability_mask&(IB_PORT_CAP_HAS_TRAP|IB_PORT_CAP_HAS_CAP_NTC))
> --
> 1.5.5
>
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