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authorMichael West <michael.west@ettus.com>2017-06-14 10:22:25 -0700
committerMartin Braun <martin.braun@ettus.com>2017-06-26 13:23:07 -0700
commit0b403340c3e924b642ba72679a8a1bfa23bbfd4c (patch)
tree4c3b87db1743a96cdd49162eeff671fbc6606c84 /host/lib/usrp/x300/x300_impl.hpp
parent2f7f873b7f0299ec1f8ae7c752246cb2f1608c0a (diff)
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X300: Implement single DMA channel for all async messages
Diffstat (limited to 'host/lib/usrp/x300/x300_impl.hpp')
-rw-r--r--host/lib/usrp/x300/x300_impl.hpp5
1 files changed, 4 insertions, 1 deletions
diff --git a/host/lib/usrp/x300/x300_impl.hpp b/host/lib/usrp/x300/x300_impl.hpp
index 8f4f81156..982369396 100644
--- a/host/lib/usrp/x300/x300_impl.hpp
+++ b/host/lib/usrp/x300/x300_impl.hpp
@@ -62,7 +62,8 @@ static const size_t X300_PCIE_TX_DATA_NUM_FRAMES = 4096;
static const size_t X300_PCIE_MSG_FRAME_SIZE = 256; //bytes
static const size_t X300_PCIE_MSG_NUM_FRAMES = 64;
static const size_t X300_PCIE_MAX_CHANNELS = 6;
-static const size_t X300_PCIE_MAX_MUXED_XPORTS = 32;
+static const size_t X300_PCIE_MAX_MUXED_CTRL_XPORTS = 32;
+static const size_t X300_PCIE_MAX_MUXED_ASYNC_XPORTS = 4;
static const size_t X300_10GE_DATA_FRAME_MAX_SIZE = 8000; // CHDR packet size in bytes
static const size_t X300_1GE_DATA_FRAME_MAX_SIZE = 1472; // CHDR packet size in bytes
@@ -205,6 +206,8 @@ private:
std::map<uint32_t, uint32_t> _dma_chan_pool;
//! Control transport for one PCIe connection
uhd::transport::muxed_zero_copy_if::sptr ctrl_dma_xport;
+ //! Async message transport
+ uhd::transport::muxed_zero_copy_if::sptr async_msg_dma_xport;
/*! Allocate or return a previously allocated PCIe channel pair
*