On Wed, Apr 12, 2017 at 10:34:47AM -0400, Hal Rosenstock wrote: > On 4/12/2017 10:18 AM, Honggang LI wrote: > > On Wed, Apr 12, 2017 at 09:34:20AM -0400, Hal Rosenstock wrote: > >> On 4/12/2017 9:29 AM, Honggang LI wrote: > >>> On Tue, Apr 11, 2017 at 09:49:44AM -0600, Jason Gunthorpe wrote: > >>>> On Tue, Apr 11, 2017 at 11:28:53PM +0800, Honggang LI wrote: > >>>>> From: Honggang Li <honli@xxxxxxxxxx> > >>>>> > >>>>> According to InfiniBand Architecture Release 1.2.1, Table 208 > >>>>> Example PathRecord Request MAD Header Fields, MADHeader:Method > >>>>> should setup to 0x12 (SubnAdmGetTable()). > >>>> > >>>> That is just an example, Table 192 shows that Get and GetTable are > >>>> both valid query types. > >>> > >>> I don't understand this as "Table 192 PortInfoRecord" seems nothing to > >>> do with PathRecord request. > >> > >> In IBA 1.3 volume 1, it's Table 209 Subnet Administration > >> Attribute/Method Map shows PathRecord methods are Get and GetTable. > >> > > > > http://www.intel.com/content/dam/www/public/us/en/documents/product-briefs/truescale-infiniband-12300-switch-brief.pdf > > Interoperability > > • Compliant with IBTA* specifications 1.0a, 1.1, 1.2, and 1.2. > > > > It seems the embedded subnet manager does not support IBA 1.3 > > It's same for IBA 1.2.1. This part hasn't changed. > > >>>> > >>>> I however expect that the SM will fail when using GetTable if the > >>>> query returns more than one result, could that be what is happening? > >>>> When you convert it to GET_TABLE does it return more than one result? > >>> > >>> strace output shows srptools always received MAD packet in 320 bytes. So > >>> the embedded subnet manager only returns one result. > >> > >> What is MAD status ? > > > > ib_user_mad->status = 0x0 > > > > I attached the MAD packet dump out with strace. Please see the > > attachments p4.in amd p4.decode. > > p4.decode has: > rp_dm_rmpp_sa_mad->method = 0x81 //IB_MAD_METHOD_GET_RESP > opensm/include/iba/ib_types.h // GetResp() Method (13.4.5) > > Proper response to GetTable (0x12) method is GetTableResponse (0x92) > method but this is GetResp (0x81) response. Yes, you are right. p4.decode was captured with unpatched upstream srptools-1.0.3. p4-184.decode was created with patched srptools-1.0.3. > > -- Hal > > >> > >> -- Hal > >> > >>>> > >>>> Jason > >>> -- > >>> To unsubscribe from this list: send the line "unsubscribe linux-rdma" in > >>> the body of a message to majordomo@xxxxxxxxxxxxxxx > >>> More majordomo info at http://vger.kernel.org/majordomo-info.html > >>> > >> -- > >> To unsubscribe from this list: send the line "unsubscribe linux-rdma" in > >> the body of a message to majordomo@xxxxxxxxxxxxxxx > >> More majordomo info at http://vger.kernel.org/majordomo-info.html
ib_user_mad->agent_id = 0x0 ib_user_mad->status = 0x0 ib_user_mad->timeout_ms = 0x0 ib_user_mad->retries = 0x0 ib_user_mad->length = 0xb8 = 184 ib_mad_addr->qpn = BE32 0x1000000 ib_mad_addr->qkey = BE32 0x0 ib_mad_addr->lid = BE16 0x100 ib_mad_addr->sl = 0x0 ib_mad_addr->path_bits = 0x0 ib_mad_addr->grh_present = 0x0 ib_mad_addr->gid_index = 0x0 ib_mad_addr->hop_limit = 0x0 ib_mad_addr->traffic_class = 0x0 ib_mad_addr->gid[16]= 0x\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00 ib_mad_addr->flow_label = BE32 0x0 ib_mad_addr->pkey_index = BE16 0x0 ib_mad_addr->reserved[6]= 0x\x00\x00\x00\x00\x00\x00 srp_dm_rmpp_sa_mad->base_version = 0x1 srp_dm_rmpp_sa_mad->mgmt_class = 0x3 srp_dm_rmpp_sa_mad->class_version = 0x2 srp_dm_rmpp_sa_mad->method = 0x92 // IB_MAD_METHOD_GETTABLE_RESP opensm/include/iba/ib_types.h // SubnAdmGetTableResp() Method (15.2.2) srp_dm_rmpp_sa_mad->status = 0x0 srp_dm_rmpp_sa_mad->reserved1 = 0x0 srp_dm_rmpp_sa_mad->tid = 0x400000035000000 srp_dm_rmpp_sa_mad->attr_id = 0x3500 srp_dm_rmpp_sa_mad->reserved2 = 0x0 srp_dm_rmpp_sa_mad->attr_mod = 0x0 srp_dm_rmpp_sa_mad->rmpp_version = 0x1 srp_dm_rmpp_sa_mad->rmpp_type = 0x1 srp_dm_rmpp_sa_mad->rmpp_rtime_flags = 0xff srp_dm_rmpp_sa_mad->rmpp_status = 0x0 srp_dm_rmpp_sa_mad->seg_num = 0x1000000 srp_dm_rmpp_sa_mad->paylen_newwin = 0x54000000 srp_dm_rmpp_sa_mad->sm_key = 0x0 srp_dm_rmpp_sa_mad->attr_offset = 0x800 srp_dm_rmpp_sa_mad->reserved3 = 0x0 srp_dm_rmpp_sa_mad->comp_mask = 0x0 ib_path_rec_t->resv0[8] = \x00\x00\x00\x00 ib_path_rec_t->dgid = \xfe\x00\x00\x00\x00\x75\x00\x9b ib_path_rec_t->sgid = \xfe\x00\x00\x00\x00\x75\x00\x9a ib_path_rec_t->dlid = ib_net16_t 0x9b01 ib_path_rec_t->slid = ib_net16_t 0xed00 ib_path_rec_t->hop_flow_raw = ib_net32_t 0x0 ib_path_rec_t->tclass = 0x0 ib_path_rec_t->num_path = 0x80 ib_path_rec_t->pkey = ib_net16_t 0xffff ib_path_rec_t->sl = ib_net16_t 0x0 ib_path_rec_t->mtu = 0x84 ib_path_rec_t->rate = 0x87 ib_path_rec_t->pkt_life = 0x8f ib_path_rec_t->preference = 0x0 ib_path_rec_t->resv2[6] = \x00\x00\x00
