Problem - offloading checksumms does not work, although the Kernel documentation indicates it should
[root@eha001 ~]# ethtool -K ib0 tx on Cannot set device tx-checksumming settings: Operation not supported IPoIB connected mode is switched of: SET_IPOIB_CM=no This problem exists on both Mellanox/Qlogic cards with either SW stack mentioned. Could anyone advise on this problem? Hardware: Intel EP server with 2x "Intel(R) Xeon(R) CPU E5-2697 v2 @ 2.70GHz" IB cards: QLogic Corp. IBA7322 QDR InfiniBand HCA (rev 02) , Mellanox Technologies MT27500 Family [ConnectX-3] OS: Redhat 6.4, kernel updated to latest RH supplied kernel via KSplice technology InfiniBand Software: tried IntelIB-IFS.RHEL6-x86_64.7.2.1.1.22 (based on OFED 1.5.4.1) or OFED-3.5-MIC-alpha1 Many thanks Michael ------------------------------------------------------------------------ Michael Hebenstreit Senior Cluster Architect Intel Corporation, MS: RR1-105/H14 Software and Services Group/DCE 4100 Sara Road Tel.: +1 505-794-3144 Rio Rancho, NM 87124 UNITED STATES E-mail: michael.hebenstr...@intel.com -- 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