Open Fabrics Enterprise Distribution (OFED)
- ConnectX driver (mlx4) in OFED 1.5 Release Notes
+ ConnectX driver (mlx4) in OFED 1.5.1 Release Notes
- December 2009
+ March 2010
===============================================================================
6. Eth (mlx4_en) new features and bug fixes since OFED 1.4
7. New features and bug fixes since OFED 1.4.1
8. New features and bug fixes since OFED 1.4.2
-9. Known Issues
-10. mlx4 Available Parameters
+9. New features and bug fixes since OFED 1.5
+10. Known Issues
+11. mlx4 Available Parameters
===============================================================================
1. Overview
rejected by the OS
===============================================================================
-9. Known Issues
+9. New features and bug fixes since OFED 1.5
+===============================================================================
+- Masked Compare and Swap (MskCmpSwap)
+ The MskCmpSwap atomic operation is an extension to the CmpSwap operation
+ defined in the IB spec. MskCmpSwap allows the user to select a portion of the
+ 64 bit target data for the “compare” check as well as to restrict the swap to a
+ (possibly different) portion.
+
+- Masked Fetch and Add (MFetchAdd)
+ The MFetchAdd Atomic operation extends the functionality of the standard IB
+ FetchAdd by allowing the user to split the target into multiple fields of
+ selectable length. The atomic add is done independently on each one of this
+ fields. A bit set in the field_boundary parameter specifies the field
+ boundaries.
+
+===============================================================================
+10. Known Issues
===============================================================================
- The mlx4_en module uses a Linux implementation for Large Receive Offload
(LRO) in kernel 2.6.24 and later. These kernels require installing the
===============================================================================
-10. mlx4 Available Parameters
+11. mlx4 Available Parameters
===============================================================================
In order to set mlx4 parameters, add the following line(s) to /etc/modpobe.conf:
options mlx4_core parameter=<value>