diff options
Diffstat (limited to 'Documentation/infiniband')
| -rw-r--r-- | Documentation/infiniband/ipoib.txt | 2 | ||||
| -rw-r--r-- | Documentation/infiniband/sysfs.txt | 12 |
2 files changed, 13 insertions, 1 deletions
diff --git a/Documentation/infiniband/ipoib.txt b/Documentation/infiniband/ipoib.txt index f2cfe265e..47c1dd981 100644 --- a/Documentation/infiniband/ipoib.txt +++ b/Documentation/infiniband/ipoib.txt @@ -25,7 +25,7 @@ Partitions and P_Keys main interface for a subinterface is in "parent." Child interface create/delete can also be done using IPoIB's - rtnl_link_ops, where childs created using either way behave the same. + rtnl_link_ops, where children created using either way behave the same. Datagram vs Connected modes diff --git a/Documentation/infiniband/sysfs.txt b/Documentation/infiniband/sysfs.txt index 3ecf0c3a1..45bcafe6f 100644 --- a/Documentation/infiniband/sysfs.txt +++ b/Documentation/infiniband/sysfs.txt @@ -56,6 +56,18 @@ SYSFS FILES ports/1/pkeys/10 contains the value at index 10 in port 1's P_Key table. + There is an optional "hw_counters" subdirectory that may be under either + the parent device or the port subdirectories or both. If present, + there are a list of counters provided by the hardware. They may match + some of the counters in the counters directory, but they often include + many other counters. In addition to the various counters, there will + be a file named "lifespan" that configures how frequently the core + should update the counters when they are being accessed (counters are + not updated if they are not being accessed). The lifespan is in milli- + seconds and defaults to 10 unless set to something else by the driver. + Users may echo a value between 0 - 10000 to the lifespan file to set + the length of time between updates in milliseconds. + MTHCA The Mellanox HCA driver also creates the files: |