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authorSean Hefty <sean.hefty@intel.com>2007-11-27 00:11:04 -0800
committerRoland Dreier <rolandd@cisco.com>2008-01-25 14:15:30 -0800
commit4fc8cd4919428f9b86f0b65e2f3245a1c186737f (patch)
tree07bca41da2be7504e6d17745fb86264e59a4958e /include/rdma
parentIB/multicast: Report errors on multicast groups if P_key changes (diff)
downloadlinux-dev-4fc8cd4919428f9b86f0b65e2f3245a1c186737f.tar.xz
linux-dev-4fc8cd4919428f9b86f0b65e2f3245a1c186737f.zip
IB/mad: Report number of times a mad was retried
To allow ULPs to tune timeout values and capture retry statistics, report the number of times that a mad send operation was retried. For RMPP mads, report the total number of times that the any portion (send window) of the send operation was retried. Signed-off-by: Sean Hefty <sean.hefty@intel.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'include/rdma')
-rw-r--r--include/rdma/ib_mad.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/rdma/ib_mad.h b/include/rdma/ib_mad.h
index 8ec3799e42e1..7228c056b9e9 100644
--- a/include/rdma/ib_mad.h
+++ b/include/rdma/ib_mad.h
@@ -230,7 +230,9 @@ struct ib_class_port_info
* @seg_count: The number of RMPP segments allocated for this send.
* @seg_size: Size of each RMPP segment.
* @timeout_ms: Time to wait for a response.
- * @retries: Number of times to retry a request for a response.
+ * @retries: Number of times to retry a request for a response. For MADs
+ * using RMPP, this applies per window. On completion, returns the number
+ * of retries needed to complete the transfer.
*
* Users are responsible for initializing the MAD buffer itself, with the
* exception of any RMPP header. Additional segment buffer space allocated