How to switch to scm ? Here is my /etc/dat.conf and libdapl*:
mpixbl09:/usr/lib64:cat /etc/dat.conf # # DAT 1.2 and 2.0 configuration file # # Each entry should have the following fields: # # <ia_name> <api_version> <threadsafety> <default> <lib_path> \ # <provider_version> <ia_params> <platform_params> # # For the uDAPL cma provder, specify <ia_params> as one of the following: # network address, network hostname, or netdev name and 0 for port # # Simple (OpenIB-cma) default with netdev name provided first on list # to enable use of same dat.conf version on all nodes # # 1.2 and 2.0 examples for multiple interfaces, IPoIB HA failover, bonding: # OpenIB-cma u1.2 nonthreadsafe default libdaplcma.so.1 dapl.1.2 "ib0 0" "" OpenIB-cma-1 u1.2 nonthreadsafe default libdaplcma.so.1 dapl.1.2 "ib1 0" "" OpenIB-cma-2 u1.2 nonthreadsafe default libdaplcma.so.1 dapl.1.2 "ib2 0" "" OpenIB-cma-3 u1.2 nonthreadsafe default libdaplcma.so.1 dapl.1.2 "ib3 0" "" OpenIB-bond u1.2 nonthreadsafe default libdaplcma.so.1 dapl.1.2 "bond0 0" "" ofa-v2-ib0 u2.0 nonthreadsafe default libdaplofa.so.2 dapl.2.0 "ib0 0" "" ofa-v2-ib1 u2.0 nonthreadsafe default libdaplofa.so.2 dapl.2.0 "ib1 0" "" ofa-v2-ib2 u2.0 nonthreadsafe default libdaplofa.so.2 dapl.2.0 "ib2 0" "" ofa-v2-ib3 u2.0 nonthreadsafe default libdaplofa.so.2 dapl.2.0 "ib3 0" "" ofa-v2-bond u2.0 nonthreadsafe default libdaplofa.so.2 dapl.2.0 "bond0 0" "" mpixbl09:/usr/lib64: mpixbl09:/usr/lib64:ls libdapl* libdaplcma.so libdaplcma.so.1.0.2 libdaplofa.so libdaplofa.so.2.0.0 libdaplcma.so.1 libdaplofa.a libdaplofa.so.2 mpixbl09:/usr/lib64: > -----Original Message----- > From: Davis, Arlin R [mailto:[EMAIL PROTECTED] > Sent: Wednesday, August 20, 2008 1:31 PM > To: Tang, Changqing; [email protected] > Cc: Sean Hefty > Subject: RE: [ofa-general] uDAPL private data size issue > > > >Hi, uDAPL Developers: > > > > I have a system running uDAPL 2.0, the dat_ia_query() return > >the provider attributes, the 'max_private_data_size' is only 48. > > > > The standard 2.0 says that private data size is at least 64 > >bytes: > > > > Is there any way to tune private data size to 128 > bytes, or at > >least 64 bytes ? > > It actually should report 56 bytes.. > > IB cm supports 92 bytes on requests but rdma_cm steals 36 bytes as > follow: > > union cma_ip_addr { > struct in6_addr ip6; > struct { > __u32 pad[3]; > __u32 addr; > } ip4; > }; > > struct cma_hdr { > u8 cma_version; > u8 ip_version; /* IP version: 7:4 */ > __u16 port; > union cma_ip_addr src_addr; > union cma_ip_addr dst_addr; > }; > > I guess that makes the uDAPL cma provider non-compliant > unless there is a way for rdma_cm to give back some of IB CM > request private data area. > > Sean, is there anything that can be done here? > > CQ Tang, can you use the uDAPL scm provider instead of cma? > > -arlin > > _______________________________________________ general mailing list [email protected] http://lists.openfabrics.org/cgi-bin/mailman/listinfo/general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
