[openib-general] [PATCH] [DAPL] - dapl doesn't set max read iov attributes

Steve Wise swise at opengridcomputing.com
Wed Apr 5 07:01:18 PDT 2006


Set the IA attribute max_iov_segments_per_rdma_read and the EP attribute
max_rdma_read_iov based on the openib max_sge_rd device attribute.

Signed-off-by: Steve Wise <swise at opengridcomputing.com>


Index: openib_cma/dapl_ib_util.c
===================================================================
--- openib_cma/dapl_ib_util.c	(revision 6229)
+++ openib_cma/dapl_ib_util.c	(working copy)
@@ -442,6 +442,7 @@
 		ia_attr->transport_attr           = NULL;
 		ia_attr->num_vendor_attr          = 0;
 		ia_attr->vendor_attr              = NULL;
+		ia_attr->max_iov_segments_per_rdma_read = dev_attr.max_sge_rd;
 
 		dapl_dbg_log(DAPL_DBG_TYPE_UTIL, 
 			" query_hca: (ver=%x) ep %d ep_q %d evd %d evd_q %d\n", 
@@ -464,6 +465,7 @@
 		ep_attr->max_request_iov  = dev_attr.max_sge;
 		ep_attr->max_rdma_read_in = dev_attr.max_qp_rd_atom;
 		ep_attr->max_rdma_read_out= dev_attr.max_qp_rd_atom;
+		ep_attr->max_rdma_read_iov= dev_attr.max_sge_rd;
 		dapl_dbg_log(DAPL_DBG_TYPE_UTIL, 
 			" query_hca: MAX msg %llu dto %d iov %d rdma i%d,o%d\n", 
 			ep_attr->max_mtu_size,




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