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| author | Josh Blum <josh@joshknows.com> | 2011-02-22 12:11:41 -0800 |
|---|---|---|
| committer | Josh Blum <josh@joshknows.com> | 2011-02-22 12:11:41 -0800 |
| commit | 8ce6a4853e9e0ef3e18bc30ea00b27ec3a069652 (patch) | |
| tree | 8b3630a57a9366c414a672a73e47091797dff566 /host/docs/transport.rst | |
| parent | 3261b89eeb96a6b87bc35c86be3faf78aee569b0 (diff) | |
| parent | 9eb19bd9a006c47060b9d0913d2f9d4a49751275 (diff) | |
| download | uhd-8ce6a4853e9e0ef3e18bc30ea00b27ec3a069652.tar.gz uhd-8ce6a4853e9e0ef3e18bc30ea00b27ec3a069652.tar.bz2 uhd-8ce6a4853e9e0ef3e18bc30ea00b27ec3a069652.zip | |
Merge branch 'usrp2_fw_clock_cleanup' into usrp2_dual_dsp
Diffstat (limited to 'host/docs/transport.rst')
| -rw-r--r-- | host/docs/transport.rst | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/host/docs/transport.rst b/host/docs/transport.rst index 6b9d28bfa..2371d2497 100644 --- a/host/docs/transport.rst +++ b/host/docs/transport.rst @@ -17,13 +17,9 @@ that are known to perform well on a variety of systems. The transport parameters are defined below for the various transports in the UHD: ------------------------------------------------------------------------ -UDP transport (ASIO) +UDP transport (sockets) ------------------------------------------------------------------------ -The UDP transport is implemented with Boost's ASIO library. -ASIO provides an asynchronous API for user-space sockets. -The transport implementation allocates a number of buffers -and submits asynchronous requests for send and receive. -IO service threads run in the background to process these requests. +The UDP transport is implemented with standard user-space/Berkeley sockets. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Transport parameters @@ -35,8 +31,12 @@ The following parameters can be used to alter the transport's default behavior: * **send_frame_size:** The size of a single send buffer in bytes * **num_send_frames:** The number of send buffers to allocate -**Note:** num_recv_frames and num_send_frames will not have an effect -as the asynchronous send implementation is currently unimplemented. +**Note1:** num_recv_frames and num_send_frames do not affect performance. + +**Note2:** recv_frame_size and send_frame_size can be used to +increase or decrease the maximum number of samples per packet. +The frame sizes default to an MTU of 1472 bytes per IP/UDP packet, +and may be increased if permitted by your network hardware. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Flow control parameters |