===============================================================================
5. Infiniband new features and bug fixes since OFED 1.4
===============================================================================
-- Enable setting 4K MTU for ConnectX ports.
+- Enable setting via module param (set_4k_mtu) 4K MTU for ConnectX ports.
- Support optimized registration of huge pages backed memory.
With this optimization, the number of MTT entries used is significantly
lower than for regular memory, so the HCA will access registered memory with
- Unregister IB device before executing CLOSE_PORT.
- Notify and exit if the kernel module used does not support XRC. This is done
to avoid libmlx4 compatibility problem.
+- Added a module parameter (log_mtts_per_seg) for number of MTTs per segment.
+ This enable to register more memory with the same number of segments.
+
===============================================================================
6. Eth (mlx4_en) new features and bug fixes since OFED 1.4
(default is 20; max is 20)
log_num_mac: log maximum number of MACs per ETH port (1-7) (int)
log_num_vlan: log maximum number of VLANs per ETH port (0-7) (int)
+ log_mtts_per_seg Log2 number of MTT entries per segment (1-5; default is 3)
use_prio: Enable steering by VLAN priority on ETH ports (0/1, default 0) (bool)
mlx4_ib parameters:
Open Fabrics Enterprise Distribution (OFED)
- mthca in OFED 1.4 Release Notes
+ mthca in OFED 1.4.1 Release Notes
- December 2008
+ May 2009
===============================================================================
Table of Contents
===============================================================================
1. Overview
-2. Fixed Bugs
-3. Known Issues
+2. Fixed Bugs since OFED 1.3.1
+3. Bug fixes and enhancements since OFED 1.4
+4. Known Issues
===============================================================================
1. Overview
num_udav - maximum number of UD address vectors per HCA (int)
fmr_reserved_mtts - number of memory translation table segments reserved
for FMR (int)
+ log_mtts_per_seg - log2 number of MTT entries per segment (1-5)
===============================================================================
2. Fixed Bugs
- Fixed race condition between create QP and destroy QP (bugzilla 1389)
+===============================================================================
+3. Bug fixes and enhancements since OFED 1.4
+===============================================================================
+- Added a module parameter (log_mtts_per_seg) for number of MTTs per segment.
+ This enable to register more memory with the same number of segments.
+- Bring INIT_HCA and other commands timeout into consistency with PRM. This
+ solve an issue when had more than 2^18 max qp's configured.
+
===============================================================================
3. Known Issues
===============================================================================