Hi Yevgeny,
On 12:07 Sun 05 Sep , Yevgeny Kliteynik wrote:
>
> There's a hack in the SM to deal with TopSpin's non-compliant
> join compmask for IPoIB v4 multicast group ff12:401b:<pkey>::1
> The group is pre-defined and maintained as a well-known multicast
> group.
>
> opensm/osm_prtn.c:
>
> 232 /* workaround for TS */
> 233 /* FIXME: remove this upon TS fixes */
> 234 mc_rec.mgid = osm_ts_ipoib_mgid;
> 235 memcpy(&mc_rec.mgid.raw[4], &pkey, sizeof(pkey));
> 236 /* Scope in MCMemberRecord (if present) needs to be
> consistent with MGID */
> 237 mc_rec.scope_state = ib_member_set_scope_state(scope,
> IB_MC_REC_STATE_FULL_MEMBER);
> 238 ib_mgid_set_scope(&mc_rec.mgid, scope);
> 239
> 240 status = osm_mcmr_rcv_find_or_create_new_mgrp(p_sa,
> comp_mask, &mc_rec,
> 241 &p_mgrp);
> 242 if (p_mgrp) {
> 243 p_mgrp->well_known = TRUE;
> 244 if (!p->mgrp)
> 245 p->mgrp = p_mgrp;
> 246 }
>
> As far as I can tell, this was added before git history.
> Any idea if it's still needed?
I don't know, just remember that we have asked about this during
partition manager development (somewhere in 2006), and have got an
answer like "it is probably needed".
Personally I've never seen this used. Maybe Hal may remember more.
Sasha
--
To unsubscribe from this list: send the line "unsubscribe linux-rdma" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
