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-rw-r--r--host/lib/convert/convert_impl.cpp1
-rw-r--r--host/lib/usrp/b100/b100_impl.cpp1
-rw-r--r--host/lib/usrp/b100/b100_impl.hpp1
-rw-r--r--host/lib/usrp/b200/b200_impl.cpp1
-rw-r--r--host/lib/usrp/b200/b200_impl.hpp4
-rw-r--r--host/lib/usrp/multi_usrp.cpp41
-rw-r--r--host/lib/usrp/usrp1/usrp1_impl.cpp2
-rw-r--r--host/lib/usrp/usrp1/usrp1_impl.hpp1
-rw-r--r--host/lib/usrp/usrp2/usrp2_impl.cpp1
-rw-r--r--host/lib/usrp/x300/x300_impl.cpp9
-rw-r--r--host/lib/usrp/x300/x300_impl.hpp4
-rw-r--r--host/lib/usrp/x300/x300_io_impl.cpp35
12 files changed, 85 insertions, 16 deletions
diff --git a/host/lib/convert/convert_impl.cpp b/host/lib/convert/convert_impl.cpp
index dc7f8f9dc..c7907ed83 100644
--- a/host/lib/convert/convert_impl.cpp
+++ b/host/lib/convert/convert_impl.cpp
@@ -134,6 +134,7 @@ UHD_STATIC_BLOCK(convert_register_item_sizes){
convert::register_bytes_per_item("sc64", sizeof(std::complex<boost::int64_t>));
convert::register_bytes_per_item("sc32", sizeof(std::complex<boost::int32_t>));
convert::register_bytes_per_item("sc16", sizeof(std::complex<boost::int16_t>));
+ convert::register_bytes_per_item("sc12", 3 * sizeof(std::complex<boost::int8_t>));
convert::register_bytes_per_item("sc8", sizeof(std::complex<boost::int8_t>));
//register standard real types
diff --git a/host/lib/usrp/b100/b100_impl.cpp b/host/lib/usrp/b100/b100_impl.cpp
index a47856b07..cb32a596c 100644
--- a/host/lib/usrp/b100/b100_impl.cpp
+++ b/host/lib/usrp/b100/b100_impl.cpp
@@ -515,6 +515,7 @@ b100_impl::b100_impl(const device_addr_t &device_addr){
_tree->access<subdev_spec_t>(mb_path / "tx_subdev_spec").set(subdev_spec_t("A:" + _tree->list(mb_path / "dboards/A/tx_frontends").at(0)));
_tree->access<std::string>(mb_path / "clock_source/value").set("internal");
_tree->access<std::string>(mb_path / "time_source/value").set("none");
+ _tree->create<double>(mb_path / "link_max_rate").set(B100_MAX_RATE_USB2);
}
b100_impl::~b100_impl(void){
diff --git a/host/lib/usrp/b100/b100_impl.hpp b/host/lib/usrp/b100/b100_impl.hpp
index 7d71d5ec3..b6752681e 100644
--- a/host/lib/usrp/b100/b100_impl.hpp
+++ b/host/lib/usrp/b100/b100_impl.hpp
@@ -54,6 +54,7 @@ static const boost::uint32_t B100_CTRL_MSG_SID = 20;
static const double B100_DEFAULT_TICK_RATE = 64e6;
static const size_t B100_MAX_PKT_BYTE_LIMIT = 2048;
static const std::string B100_EEPROM_MAP_KEY = "B100";
+static const size_t B100_MAX_RATE_USB2 = 32000000; // bytes/s
#define I2C_ADDR_TX_A (I2C_DEV_EEPROM | 0x4)
#define I2C_ADDR_RX_A (I2C_DEV_EEPROM | 0x5)
diff --git a/host/lib/usrp/b200/b200_impl.cpp b/host/lib/usrp/b200/b200_impl.cpp
index 9dd3a424d..84310a9fe 100644
--- a/host/lib/usrp/b200/b200_impl.cpp
+++ b/host/lib/usrp/b200/b200_impl.cpp
@@ -250,6 +250,7 @@ b200_impl::b200_impl(const device_addr_t &device_addr)
ctrl_xport_args
);
while (_ctrl_transport->get_recv_buff(0.0)){} //flush ctrl xport
+ _tree->create<double>(mb_path / "link_max_rate").set((usb_speed == 3) ? B200_MAX_RATE_USB3 : B200_MAX_RATE_USB2);
////////////////////////////////////////////////////////////////////
// Async task structure
diff --git a/host/lib/usrp/b200/b200_impl.hpp b/host/lib/usrp/b200/b200_impl.hpp
index 7d98a8f8d..c3508c550 100644
--- a/host/lib/usrp/b200/b200_impl.hpp
+++ b/host/lib/usrp/b200/b200_impl.hpp
@@ -47,11 +47,13 @@
static const boost::uint8_t B200_FW_COMPAT_NUM_MAJOR = 0x04;
static const boost::uint8_t B200_FW_COMPAT_NUM_MINOR = 0x00;
static const boost::uint16_t B200_FPGA_COMPAT_NUM = 0x03;
-static const double B200_LINK_RATE_BPS = (5e9)/8; //practical link rate (5 Gbps)
static const double B200_BUS_CLOCK_RATE = 100e6;
static const double B200_DEFAULT_TICK_RATE = 32e6;
static const boost::uint32_t B200_GPSDO_ST_NONE = 0x83;
+static const size_t B200_MAX_RATE_USB2 = 32000000; // bytes/s
+static const size_t B200_MAX_RATE_USB3 = 500000000; // bytes/s
+
#define FLIP_SID(sid) (((sid)<<16)|((sid)>>16))
static const boost::uint32_t B200_CTRL0_MSG_SID = 0x00000010;
diff --git a/host/lib/usrp/multi_usrp.cpp b/host/lib/usrp/multi_usrp.cpp
index f08709669..4883b2410 100644
--- a/host/lib/usrp/multi_usrp.cpp
+++ b/host/lib/usrp/multi_usrp.cpp
@@ -24,6 +24,7 @@
#include <uhd/usrp/dboard_id.hpp>
#include <uhd/usrp/mboard_eeprom.hpp>
#include <uhd/usrp/dboard_eeprom.hpp>
+#include <uhd/convert.hpp>
#include <boost/assign/list_of.hpp>
#include <boost/thread.hpp>
#include <boost/foreach.hpp>
@@ -103,6 +104,8 @@ static meta_range_t make_overall_tune_range(
return range;
}
+
+
/***********************************************************************
* Gain helper functions
**********************************************************************/
@@ -589,6 +592,11 @@ public:
/*******************************************************************
* RX methods
******************************************************************/
+ rx_streamer::sptr get_rx_stream(const stream_args_t &args) {
+ _check_link_rate(args, false);
+ return this->get_device()->get_rx_stream(args);
+ }
+
void set_rx_subdev_spec(const subdev_spec_t &spec, size_t mboard){
if (mboard != ALL_MBOARDS){
_tree->access<subdev_spec_t>(mb_root(mboard) / "rx_subdev_spec").set(spec);
@@ -770,6 +778,11 @@ public:
/*******************************************************************
* TX methods
******************************************************************/
+ tx_streamer::sptr get_tx_stream(const stream_args_t &args) {
+ _check_link_rate(args, true);
+ return this->get_device()->get_tx_stream(args);
+ }
+
void set_tx_subdev_spec(const subdev_spec_t &spec, size_t mboard){
if (mboard != ALL_MBOARDS){
_tree->access<subdev_spec_t>(mb_root(mboard) / "tx_subdev_spec").set(spec);
@@ -1178,6 +1191,34 @@ private:
}
return gg;
}
+
+ //! \param is_tx True for tx
+ // Assumption is that all mboards use the same link
+ bool _check_link_rate(const stream_args_t &args, bool is_tx) {
+ bool link_rate_is_ok = true;
+ size_t bytes_per_sample = convert::get_bytes_per_item(args.otw_format);
+ double max_link_rate = 0;
+ double sum_rate = 0;
+ BOOST_FOREACH(const size_t chan, args.channels) {
+ mboard_chan_pair mcp = is_tx ? tx_chan_to_mcp(chan) : rx_chan_to_mcp(chan);
+ if (_tree->exists(mb_root(mcp.mboard) / "link_max_rate")) {
+ max_link_rate = std::max(
+ max_link_rate,
+ _tree->access<double>(mb_root(mcp.mboard) / "link_max_rate").get()
+ );
+ }
+ sum_rate += is_tx ? get_tx_rate(chan) : get_rx_rate(chan);
+ }
+ if (max_link_rate > 0 and (max_link_rate / bytes_per_sample) < sum_rate) {
+ UHD_MSG(warning) << boost::format(
+ "The total sum of rates (%f MSps on %u channels) exceeds the maximum capacity of the connection.\n"
+ "This can cause %s."
+ ) % (sum_rate/1e6) % args.channels.size() % (is_tx ? "underruns (U)" : "overflows (O)") << std::endl;
+ link_rate_is_ok = false;
+ }
+
+ return link_rate_is_ok;
+ }
};
/***********************************************************************
diff --git a/host/lib/usrp/usrp1/usrp1_impl.cpp b/host/lib/usrp/usrp1/usrp1_impl.cpp
index 3b902b343..3eaac9839 100644
--- a/host/lib/usrp/usrp1/usrp1_impl.cpp
+++ b/host/lib/usrp/usrp1/usrp1_impl.cpp
@@ -409,7 +409,7 @@ usrp1_impl::usrp1_impl(const device_addr_t &device_addr){
_tree->access<subdev_spec_t>(mb_path / "rx_subdev_spec").set(_rx_subdev_spec);
if (_tree->list(mb_path / "tx_dsps").size() > 0)
_tree->access<subdev_spec_t>(mb_path / "tx_subdev_spec").set(_tx_subdev_spec);
-
+ _tree->create<double>(mb_path / "link_max_rate").set(USRP1_MAX_RATE_USB2);
}
usrp1_impl::~usrp1_impl(void){
diff --git a/host/lib/usrp/usrp1/usrp1_impl.hpp b/host/lib/usrp/usrp1/usrp1_impl.hpp
index da9fe8b16..012bc0794 100644
--- a/host/lib/usrp/usrp1/usrp1_impl.hpp
+++ b/host/lib/usrp/usrp1/usrp1_impl.hpp
@@ -39,6 +39,7 @@
#define INCLUDED_USRP1_IMPL_HPP
static const std::string USRP1_EEPROM_MAP_KEY = "B000";
+static const size_t USRP1_MAX_RATE_USB2 = 32000000; // bytes/s
#define FR_RB_CAPS 3
#define FR_MODE 13
diff --git a/host/lib/usrp/usrp2/usrp2_impl.cpp b/host/lib/usrp/usrp2/usrp2_impl.cpp
index 16d9b9a54..25f661656 100644
--- a/host/lib/usrp/usrp2/usrp2_impl.cpp
+++ b/host/lib/usrp/usrp2/usrp2_impl.cpp
@@ -442,6 +442,7 @@ usrp2_impl::usrp2_impl(const device_addr_t &_device_addr){
_mbc[mb].spiface = _mbc[mb].iface;
break;
}
+ _tree->create<double>(mb_path / "link_max_rate").set(USRP2_LINK_RATE_BPS);
////////////////////////////////////////////////////////////////
// setup the mboard eeprom
diff --git a/host/lib/usrp/x300/x300_impl.cpp b/host/lib/usrp/x300/x300_impl.cpp
index e492b2238..f5e53678c 100644
--- a/host/lib/usrp/x300/x300_impl.cpp
+++ b/host/lib/usrp/x300/x300_impl.cpp
@@ -392,6 +392,8 @@ void x300_impl::setup_mb(const size_t mb_i, const uhd::device_addr_t &dev_addr)
//Tell the quirks object which FIFOs carry TX stream data
const uint32_t tx_data_fifos[2] = {X300_RADIO_DEST_PREFIX_TX, X300_RADIO_DEST_PREFIX_TX + 3};
mb.rio_fpga_interface->get_kernel_proxy().get_rio_quirks().register_tx_streams(tx_data_fifos);
+
+ _tree->create<double>(mb_path / "link_max_rate").set(X300_MAX_RATE_PCIE);
}
BOOST_FOREACH(const std::string &key, dev_addr.keys())
@@ -456,6 +458,8 @@ void x300_impl::setup_mb(const size_t mb_i, const uhd::device_addr_t &dev_addr)
<< "UHD will use the auto-detected max frame size for this connection."
<< std::endl;
}
+
+ _tree->create<double>(mb_path / "link_max_rate").set(X300_MAX_RATE_10GIGE);
}
//create basic communication
@@ -1133,11 +1137,14 @@ x300_impl::both_xports_t x300_impl::make_transport(
if (mb.loaded_fpga_image == "HGS") {
if (mb.router_dst_here == X300_XB_DST_E0) {
eth_data_rec_frame_size = X300_1GE_DATA_FRAME_MAX_SIZE;
+ _tree->access<double>("/mboards/"+boost::lexical_cast<std::string>(mb_index) / "link_max_rate").set(X300_MAX_RATE_1GIGE);
} else if (mb.router_dst_here == X300_XB_DST_E1) {
eth_data_rec_frame_size = X300_10GE_DATA_FRAME_MAX_SIZE;
+ _tree->access<double>("/mboards/"+boost::lexical_cast<std::string>(mb_index) / "link_max_rate").set(X300_MAX_RATE_10GIGE);
}
} else if (mb.loaded_fpga_image == "XGS") {
- eth_data_rec_frame_size = X300_10GE_DATA_FRAME_MAX_SIZE;
+ eth_data_rec_frame_size = X300_10GE_DATA_FRAME_MAX_SIZE;
+ _tree->access<double>("/mboards/"+boost::lexical_cast<std::string>(mb_index) / "link_max_rate").set(X300_MAX_RATE_10GIGE);
}
if (eth_data_rec_frame_size == 0) {
diff --git a/host/lib/usrp/x300/x300_impl.hpp b/host/lib/usrp/x300/x300_impl.hpp
index 692427f31..4b3efc845 100644
--- a/host/lib/usrp/x300/x300_impl.hpp
+++ b/host/lib/usrp/x300/x300_impl.hpp
@@ -85,6 +85,10 @@ static const size_t X300_RX_MAX_HDR_LEN = // bytes
+ sizeof(uhd::transport::vrt::if_packet_info_t().sid) // SID
+ sizeof(uhd::transport::vrt::if_packet_info_t().tsf); // Timestamp
+static const size_t X300_MAX_RATE_PCIE = 800000000; // bytes/s
+static const size_t X300_MAX_RATE_10GIGE = 800000000; // bytes/s
+static const size_t X300_MAX_RATE_1GIGE = 100000000; // bytes/s
+
#define X300_RADIO_DEST_PREFIX_TX 0
#define X300_RADIO_DEST_PREFIX_CTRL 1
#define X300_RADIO_DEST_PREFIX_RX 2
diff --git a/host/lib/usrp/x300/x300_io_impl.cpp b/host/lib/usrp/x300/x300_io_impl.cpp
index 09ed1d705..9263c9b44 100644
--- a/host/lib/usrp/x300/x300_io_impl.cpp
+++ b/host/lib/usrp/x300/x300_io_impl.cpp
@@ -242,6 +242,8 @@ struct x300_tx_fc_guts_t
boost::shared_ptr<x300_impl::async_md_type> old_async_queue;
};
+#define X300_ASYNC_EVENT_CODE_FLOW_CTRL 0
+
static size_t get_tx_flow_control_window(size_t frame_size, const device_addr_t& tx_args)
{
double hw_buff_size = tx_args.cast<double>("send_buff_size", X300_TX_HW_BUFF_SIZE);
@@ -283,23 +285,28 @@ static void handle_tx_async_msgs(boost::shared_ptr<x300_tx_fc_guts_t> guts, zero
return;
}
- //catch the flow control packets and react
- if (endian_conv(packet_buff[if_packet_info.num_header_words32+0]) == 0)
- {
- const size_t seq = endian_conv(packet_buff[if_packet_info.num_header_words32+1]);
- guts->seq_queue.push_with_haste(seq);
- return;
- }
-
//fill in the async metadata
async_metadata_t metadata;
load_metadata_from_buff(
endian_conv, metadata, if_packet_info, packet_buff,
clock->get_master_clock_rate(), guts->stream_channel);
- guts->async_queue->push_with_pop_on_full(metadata);
- metadata.channel = guts->device_channel;
- guts->old_async_queue->push_with_pop_on_full(metadata);
- standard_async_msg_prints(metadata);
+
+ //The FC response and the burst ack are two indicators that the radio
+ //consumed packets. Use them to update the FC metadata
+ if (metadata.event_code == X300_ASYNC_EVENT_CODE_FLOW_CTRL or
+ metadata.event_code == async_metadata_t::EVENT_CODE_BURST_ACK
+ ) {
+ const size_t seq = metadata.user_payload[0];
+ guts->seq_queue.push_with_pop_on_full(seq);
+ }
+
+ //FC responses don't propagate up to the user so filter them here
+ if (metadata.event_code != X300_ASYNC_EVENT_CODE_FLOW_CTRL) {
+ guts->async_queue->push_with_pop_on_full(metadata);
+ metadata.channel = guts->device_channel;
+ guts->old_async_queue->push_with_pop_on_full(metadata);
+ standard_async_msg_prints(metadata);
+ }
}
static managed_send_buffer::sptr get_tx_buff_with_flowctrl(
@@ -319,7 +326,9 @@ static managed_send_buffer::sptr get_tx_buff_with_flowctrl(
}
managed_send_buffer::sptr buff = xport->get_send_buff(timeout);
- if (buff) guts->last_seq_out++; //update seq, this will actually be a send
+ if (buff) {
+ guts->last_seq_out++; //update seq, this will actually be a send
+ }
return buff;
}
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-31 04:51:10 +0000