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| author | Wim Van Sebroeck <wim@iguana.be> | 2007-05-01 06:53:01 +0000 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@iguana.be> | 2007-05-01 06:53:01 +0000 |
| commit | 48a7afe314bfc4d7f50e1608632f503dbba7e013 (patch) | |
| tree | 4a80e6b96321a71affd1bacea817de93be08894b /Documentation/infiniband | |
| parent | fb8f7ba077b5c665432082ab205bcd2cb01f6a3c (diff) | |
| parent | dc87c3985e9b442c60994308a96f887579addc39 (diff) | |
Merge /pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'Documentation/infiniband')
| -rw-r--r-- | Documentation/infiniband/user_mad.txt | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/infiniband/user_mad.txt b/Documentation/infiniband/user_mad.txt index 750fe5e80eb..8ec54b974b6 100644 --- a/Documentation/infiniband/user_mad.txt +++ b/Documentation/infiniband/user_mad.txt @@ -91,6 +91,14 @@ Sending MADs if (ret != sizeof *mad + mad_length) perror("write"); +Transaction IDs + + Users of the umad devices can use the lower 32 bits of the + transaction ID field (that is, the least significant half of the + field in network byte order) in MADs being sent to match + request/response pairs. The upper 32 bits are reserved for use by + the kernel and will be overwritten before a MAD is sent. + Setting IsSM Capability Bit To set the IsSM capability bit for a port, simply open the |