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-rw-r--r--host/lib/convert/gen_convert_pred.py79
-rwxr-xr-xhost/lib/transport/gen_vrt_if_packet.py51
-rw-r--r--host/lib/transport/libusb1_zero_copy.cpp26
-rw-r--r--host/lib/transport/udp_zero_copy_asio.cpp289
-rw-r--r--host/lib/transport/vrt_packet_handler.hpp73
-rw-r--r--host/lib/transport/zero_copy.cpp40
-rw-r--r--host/lib/types/time_spec.cpp8
-rw-r--r--host/lib/usrp/usrp1/io_impl.cpp10
-rw-r--r--host/lib/usrp/usrp1/soft_time_ctrl.cpp8
-rw-r--r--host/lib/usrp/usrp1/usrp1_impl.hpp4
-rw-r--r--host/lib/usrp/usrp2/io_impl.cpp97
-rw-r--r--host/lib/usrp/usrp2/usrp2_iface.cpp3
-rw-r--r--host/lib/usrp/usrp2/usrp2_impl.hpp4
-rw-r--r--host/lib/usrp/usrp_e100/io_impl.cpp23
-rw-r--r--host/lib/usrp/usrp_e100/usrp_e100_impl.hpp6
-rw-r--r--host/lib/usrp/usrp_e100/usrp_e100_mmap_zero_copy.cpp13
16 files changed, 369 insertions, 365 deletions
diff --git a/host/lib/convert/gen_convert_pred.py b/host/lib/convert/gen_convert_pred.py
index fea7db4cc..d2f90bf41 100644
--- a/host/lib/convert/gen_convert_pred.py
+++ b/host/lib/convert/gen_convert_pred.py
@@ -21,8 +21,6 @@ TMPL_TEXT = """
/***********************************************************************
* This file was generated by $file on $time.strftime("%c")
**********************************************************************/
-typedef size_t pred_type;
-
\#include <boost/tokenizer.hpp>
\#include <boost/lexical_cast.hpp>
\#include <boost/detail/endian.hpp>
@@ -31,6 +29,9 @@ typedef size_t pred_type;
\#include <string>
\#include <vector>
+typedef size_t pred_type;
+typedef std::vector<pred_type> pred_vector_type;
+
enum dir_type{
DIR_OTW_TO_CPU = 0,
DIR_CPU_TO_OTW = 1
@@ -101,46 +102,60 @@ pred_type make_pred(const std::string &markup, dir_type &dir){
return pred;
}
+#define pred_table_wildcard pred_type(~0)
+#define pred_table_max_size size_t(128)
+#define pred_table_index(e) (pred_type(e) & 0x7f)
+
+static pred_vector_type get_pred_byte_order_table(void){
+ pred_vector_type table(pred_table_max_size, pred_table_wildcard);
+ \#ifdef BOOST_BIG_ENDIAN
+ table[pred_table_index(otw_type_t::BO_BIG_ENDIAN)] = $ph.nswap_p;
+ table[pred_table_index(otw_type_t::BO_LITTLE_ENDIAN)] = $ph.bswap_p;
+ \#else
+ table[pred_table_index(otw_type_t::BO_BIG_ENDIAN)] = $ph.bswap_p;
+ table[pred_table_index(otw_type_t::BO_LITTLE_ENDIAN)] = $ph.nswap_p;
+ \#endif
+ table[pred_table_index(otw_type_t::BO_NATIVE)] = $ph.nswap_p;
+ return table;
+}
+
+static pred_vector_type get_pred_io_type_table(void){
+ pred_vector_type table(pred_table_max_size, pred_table_wildcard);
+ table[pred_table_index(io_type_t::COMPLEX_FLOAT64)] = $ph.fc64_p;
+ table[pred_table_index(io_type_t::COMPLEX_FLOAT32)] = $ph.fc32_p;
+ table[pred_table_index(io_type_t::COMPLEX_INT16)] = $ph.sc16_p;
+ return table;
+}
+
+static pred_vector_type get_pred_num_io_table(void){
+ pred_vector_type table(pred_table_max_size, pred_table_wildcard);
+ table[1] = $ph.chan1_p;
+ table[2] = $ph.chan2_p;
+ table[3] = $ph.chan3_p;
+ table[4] = $ph.chan4_p;
+ return table;
+}
+
UHD_INLINE pred_type make_pred(
const io_type_t &io_type,
const otw_type_t &otw_type,
size_t num_inputs,
size_t num_outputs
){
- pred_type pred = 0;
+ pred_type pred = $ph.item32_p; //only item32 supported as of now
- switch(otw_type.byteorder){
- \#ifdef BOOST_BIG_ENDIAN
- case otw_type_t::BO_BIG_ENDIAN: pred |= $ph.nswap_p; break;
- case otw_type_t::BO_LITTLE_ENDIAN: pred |= $ph.bswap_p; break;
- \#else
- case otw_type_t::BO_BIG_ENDIAN: pred |= $ph.bswap_p; break;
- case otw_type_t::BO_LITTLE_ENDIAN: pred |= $ph.nswap_p; break;
- \#endif
- case otw_type_t::BO_NATIVE: pred |= $ph.nswap_p; break;
- default: throw pred_error("unhandled otw byteorder type");
- }
+ static const pred_vector_type pred_byte_order_table(get_pred_byte_order_table());
+ pred |= pred_byte_order_table[pred_table_index(otw_type.byteorder)];
- switch(otw_type.get_sample_size()){
- case sizeof(boost::uint32_t): pred |= $ph.item32_p; break;
- default: throw pred_error("unhandled otw sample size");
- }
+ static const pred_vector_type pred_io_type_table(get_pred_io_type_table());
+ pred |= pred_io_type_table[pred_table_index(io_type.tid)];
- switch(io_type.tid){
- case io_type_t::COMPLEX_FLOAT32: pred |= $ph.fc32_p; break;
- case io_type_t::COMPLEX_INT16: pred |= $ph.sc16_p; break;
- //case io_type_t::COMPLEX_INT8: pred |= $ph.sc8_p; break;
- case io_type_t::COMPLEX_FLOAT64: pred |= $ph.fc64_p; break;
- default: throw pred_error("unhandled io type id");
- }
+ static const pred_vector_type pred_num_io_table(get_pred_num_io_table());
+ pred |= pred_num_io_table[pred_table_index(num_inputs*num_outputs)];
- switch(num_inputs*num_outputs){ //FIXME treated as one value
- case 1: pred |= $ph.chan1_p; break;
- case 2: pred |= $ph.chan2_p; break;
- case 3: pred |= $ph.chan3_p; break;
- case 4: pred |= $ph.chan4_p; break;
- default: throw pred_error("unhandled number of channels");
- }
+ if (pred == pred_table_wildcard) throw pred_error(
+ "unhanded input combination for make_pred()"
+ );
return pred;
}
diff --git a/host/lib/transport/gen_vrt_if_packet.py b/host/lib/transport/gen_vrt_if_packet.py
index dbe026ba3..3ba562d68 100755
--- a/host/lib/transport/gen_vrt_if_packet.py
+++ b/host/lib/transport/gen_vrt_if_packet.py
@@ -1,6 +1,6 @@
#!/usr/bin/env python
#
-# Copyright 2010 Ettus Research LLC
+# Copyright 2010-2011 Ettus Research LLC
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
@@ -35,6 +35,7 @@ TMPL_TEXT = """
\#include <uhd/utils/byteswap.hpp>
\#include <boost/detail/endian.hpp>
\#include <stdexcept>
+\#include <vector>
//define the endian macros to convert integers
\#ifdef BOOST_BIG_ENDIAN
@@ -48,18 +49,26 @@ TMPL_TEXT = """
using namespace uhd;
using namespace uhd::transport;
-########################################################################
-#def gen_code($XE_MACRO, $suffix)
-########################################################################
+typedef size_t pred_type;
+typedef std::vector<pred_type> pred_table_type;
+#define pred_table_index(hdr) ((hdr >> 20) & 0x1ff)
+
+static pred_table_type get_pred_unpack_table(void){
+ pred_table_type table(1 << 9, 0); //only 9 bits useful here (20-28)
+ for (size_t i = 0; i < table.size(); i++){
+ boost::uint32_t vrt_hdr_word = i << 20;
+ if(vrt_hdr_word & $hex(0x1 << 28)) table[i] |= $hex($sid_p);
+ if(vrt_hdr_word & $hex(0x1 << 27)) table[i] |= $hex($cid_p);
+ if(vrt_hdr_word & $hex(0x3 << 22)) table[i] |= $hex($tsi_p);
+ if(vrt_hdr_word & $hex(0x3 << 20)) table[i] |= $hex($tsf_p);
+ if(vrt_hdr_word & $hex(0x1 << 26)) table[i] |= $hex($tlr_p);
+ }
+ return table;
+}
########################################################################
-## setup predicates
+#def gen_code($XE_MACRO, $suffix)
########################################################################
-#set $sid_p = 0b00001
-#set $cid_p = 0b00010
-#set $tsi_p = 0b00100
-#set $tsf_p = 0b01000
-#set $tlr_p = 0b10000
void vrt::if_hdr_pack_$(suffix)(
boost::uint32_t *packet_buff,
@@ -67,7 +76,7 @@ void vrt::if_hdr_pack_$(suffix)(
){
boost::uint32_t vrt_hdr_flags = 0;
- boost::uint8_t pred = 0;
+ pred_type pred = 0;
if (if_packet_info.has_sid) pred |= $hex($sid_p);
if (if_packet_info.has_cid) pred |= $hex($cid_p);
if (if_packet_info.has_tsi) pred |= $hex($tsi_p);
@@ -159,12 +168,8 @@ void vrt::if_hdr_unpack_$(suffix)(
//if_packet_info.sob = bool(vrt_hdr_word & $hex(0x1 << 25)); //not implemented
//if_packet_info.eob = bool(vrt_hdr_word & $hex(0x1 << 24)); //not implemented
- boost::uint8_t pred = 0;
- if(vrt_hdr_word & $hex(0x1 << 28)) pred |= $hex($sid_p);
- if(vrt_hdr_word & $hex(0x1 << 27)) pred |= $hex($cid_p);
- if(vrt_hdr_word & $hex(0x3 << 22)) pred |= $hex($tsi_p);
- if(vrt_hdr_word & $hex(0x3 << 20)) pred |= $hex($tsf_p);
- if(vrt_hdr_word & $hex(0x1 << 26)) pred |= $hex($tlr_p);
+ static const pred_table_type pred_unpack_table(get_pred_unpack_table());
+ const pred_type pred = pred_unpack_table[pred_table_index(vrt_hdr_word)];
switch(pred){
#for $pred in range(2**5)
@@ -200,7 +205,7 @@ void vrt::if_hdr_unpack_$(suffix)(
if_packet_info.has_tsf = true;
if_packet_info.tsf = boost::uint64_t($(XE_MACRO)(packet_buff[$num_header_words])) << 32;
#set $num_header_words += 1
- if_packet_info.tsf |= boost::uint64_t($(XE_MACRO)(packet_buff[$num_header_words])) << 0;
+ if_packet_info.tsf |= $(XE_MACRO)(packet_buff[$num_header_words]);
#set $num_header_words += 1
#else
if_packet_info.has_tsf = false;
@@ -239,4 +244,12 @@ def parse_tmpl(_tmpl_text, **kwargs):
if __name__ == '__main__':
import sys
- open(sys.argv[1], 'w').write(parse_tmpl(TMPL_TEXT, file=__file__))
+ open(sys.argv[1], 'w').write(parse_tmpl(
+ TMPL_TEXT,
+ file=__file__,
+ sid_p = 0b00001,
+ cid_p = 0b00010,
+ tsi_p = 0b00100,
+ tsf_p = 0b01000,
+ tlr_p = 0b10000,
+ ))
diff --git a/host/lib/transport/libusb1_zero_copy.cpp b/host/lib/transport/libusb1_zero_copy.cpp
index 311a8953b..ca37f351f 100644
--- a/host/lib/transport/libusb1_zero_copy.cpp
+++ b/host/lib/transport/libusb1_zero_copy.cpp
@@ -23,7 +23,6 @@
#include <uhd/utils/assert.hpp>
#include <boost/foreach.hpp>
#include <boost/thread.hpp>
-#include <boost/enable_shared_from_this.hpp>
#include <vector>
#include <iostream>
@@ -99,8 +98,7 @@ private:
bool _input;
//! hold a bounded buffer of completed transfers
- typedef bounded_buffer<libusb_transfer *> lut_buff_type;
- lut_buff_type::sptr _completed_list;
+ bounded_buffer<libusb_transfer *> _completed_list;
//! a list of all transfer structs we allocated
std::vector<libusb_transfer *> _all_luts;
@@ -134,7 +132,7 @@ static void callback(libusb_transfer *lut){
* \param pointer to libusb_transfer
*/
void usb_endpoint::callback_handle_transfer(libusb_transfer *lut){
- _completed_list->push_with_wait(lut);
+ _completed_list.push_with_wait(lut);
}
@@ -153,9 +151,9 @@ usb_endpoint::usb_endpoint(
):
_handle(handle),
_endpoint(endpoint),
- _input(input)
+ _input(input),
+ _completed_list(num_transfers)
{
- _completed_list = lut_buff_type::make(num_transfers);
_buffer_pool = buffer_pool::make(num_transfers, transfer_size);
for (size_t i = 0; i < num_transfers; i++){
_all_luts.push_back(allocate_transfer(_buffer_pool->at(i), transfer_size));
@@ -163,7 +161,7 @@ usb_endpoint::usb_endpoint(
//input luts are immediately submitted to be filled
//output luts go into the completed list as free buffers
if (_input) this->submit(_all_luts.back());
- else _completed_list->push_with_wait(_all_luts.back());
+ else _completed_list.push_with_wait(_all_luts.back());
}
}
@@ -272,15 +270,15 @@ void usb_endpoint::print_transfer_status(libusb_transfer *lut){
libusb_transfer *usb_endpoint::get_lut_with_wait(double timeout){
boost::this_thread::disable_interruption di; //disable because the wait can throw
- libusb_transfer *lut;
- if (_completed_list->pop_with_timed_wait(lut, timeout)) return lut;
+ libusb_transfer *lut = NULL;
+ if (_completed_list.pop_with_timed_wait(lut, timeout)) return lut;
return NULL;
}
/***********************************************************************
* USB zero_copy device class
**********************************************************************/
-class libusb_zero_copy_impl : public usb_zero_copy, public boost::enable_shared_from_this<libusb_zero_copy_impl> {
+class libusb_zero_copy_impl : public usb_zero_copy{
public:
libusb_zero_copy_impl(
@@ -400,8 +398,8 @@ managed_recv_buffer::sptr libusb_zero_copy_impl::get_recv_buff(double timeout){
}
else {
return managed_recv_buffer::make_safe(
- boost::asio::const_buffer(lut->buffer, lut->actual_length),
- boost::bind(&libusb_zero_copy_impl::release, shared_from_this(), lut)
+ lut->buffer, lut->actual_length,
+ boost::bind(&libusb_zero_copy_impl::release, this, lut)
);
}
}
@@ -420,8 +418,8 @@ managed_send_buffer::sptr libusb_zero_copy_impl::get_send_buff(double timeout){
}
else {
return managed_send_buffer::make_safe(
- boost::asio::mutable_buffer(lut->buffer, this->get_send_frame_size()),
- boost::bind(&libusb_zero_copy_impl::commit, shared_from_this(), lut, _1)
+ lut->buffer, this->get_send_frame_size(),
+ boost::bind(&libusb_zero_copy_impl::commit, this, lut, _1)
);
}
}
diff --git a/host/lib/transport/udp_zero_copy_asio.cpp b/host/lib/transport/udp_zero_copy_asio.cpp
index a80de7b87..48b0941eb 100644
--- a/host/lib/transport/udp_zero_copy_asio.cpp
+++ b/host/lib/transport/udp_zero_copy_asio.cpp
@@ -19,53 +19,108 @@
#include <uhd/transport/udp_simple.hpp> //mtu
#include <uhd/transport/bounded_buffer.hpp>
#include <uhd/transport/buffer_pool.hpp>
-#include <uhd/utils/thread_priority.hpp>
#include <uhd/utils/assert.hpp>
#include <uhd/utils/warning.hpp>
#include <boost/asio.hpp>
#include <boost/format.hpp>
-#include <boost/thread/thread.hpp>
-#include <boost/enable_shared_from_this.hpp>
#include <iostream>
+#include <vector>
using namespace uhd;
using namespace uhd::transport;
namespace asio = boost::asio;
-//Define this to the the boost async io calls to perform receive.
-//Otherwise, get_recv_buff uses a blocking receive with timeout.
-#define USE_ASIO_ASYNC_RECV
-
-//Define this to the the boost async io calls to perform send.
-//Otherwise, the commit callback uses a blocking send.
-//#define USE_ASIO_ASYNC_SEND
-
-//The asio async receive implementation is broken for some macos.
-//Just disable for all macos since we don't know the problem.
-#if defined(UHD_PLATFORM_MACOS) && defined(USE_ASIO_ASYNC_RECV)
- #undef USE_ASIO_ASYNC_RECV
-#endif
-
-//The number of service threads to spawn for async ASIO:
-//A single concurrent thread for io_service seems to be the fastest.
-//Threads are disabled when no async implementations are enabled.
-#if defined(USE_ASIO_ASYNC_RECV) || defined(USE_ASIO_ASYNC_SEND)
-static const size_t CONCURRENCY_HINT = 1;
-#else
-static const size_t CONCURRENCY_HINT = 0;
-#endif
-
//A reasonable number of frames for send/recv and async/sync
static const size_t DEFAULT_NUM_FRAMES = 32;
/***********************************************************************
+ * Reusable managed receiver buffer:
+ * - Initialize with memory and a release callback.
+ * - Call get new with a length in bytes to re-use.
+ **********************************************************************/
+class udp_zero_copy_asio_mrb : public managed_recv_buffer{
+public:
+ typedef boost::shared_ptr<udp_zero_copy_asio_mrb> sptr;
+ typedef boost::function<void(udp_zero_copy_asio_mrb *)> release_cb_type;
+
+ udp_zero_copy_asio_mrb(void *mem, const release_cb_type &release_cb):
+ _mem(mem), _release_cb(release_cb){/* NOP */}
+
+ void release(void){
+ if (_expired) return;
+ this->_release_cb(this);
+ _expired = true;
+ }
+
+ sptr get_new(size_t len){
+ _expired = false;
+ _len = len;
+ return sptr(this, &udp_zero_copy_asio_mrb::fake_deleter);
+ }
+
+ template <class T> T cast(void) const{return static_cast<T>(_mem);}
+
+private:
+ static void fake_deleter(void *obj){
+ static_cast<udp_zero_copy_asio_mrb *>(obj)->release();
+ }
+
+ const void *get_buff(void) const{return _mem;}
+ size_t get_size(void) const{return _len;}
+
+ bool _expired;
+ void *_mem;
+ size_t _len;
+ release_cb_type _release_cb;
+};
+
+/***********************************************************************
+ * Reusable managed send buffer:
+ * - Initialize with memory and a commit callback.
+ * - Call get new with a length in bytes to re-use.
+ **********************************************************************/
+class udp_zero_copy_asio_msb : public managed_send_buffer{
+public:
+ typedef boost::shared_ptr<udp_zero_copy_asio_msb> sptr;
+ typedef boost::function<void(udp_zero_copy_asio_msb *, size_t)> commit_cb_type;
+
+ udp_zero_copy_asio_msb(void *mem, const commit_cb_type &commit_cb):
+ _mem(mem), _commit_cb(commit_cb){/* NOP */}
+
+ void commit(size_t len){
+ if (_expired) return;
+ this->_commit_cb(this, len);
+ _expired = true;
+ }
+
+ sptr get_new(size_t len){
+ _expired = false;
+ _len = len;
+ return sptr(this, &udp_zero_copy_asio_msb::fake_deleter);
+ }
+
+private:
+ static void fake_deleter(void *obj){
+ static_cast<udp_zero_copy_asio_msb *>(obj)->commit(0);
+ }
+
+ void *get_buff(void) const{return _mem;}
+ size_t get_size(void) const{return _len;}
+
+ bool _expired;
+ void *_mem;
+ size_t _len;
+ commit_cb_type _commit_cb;
+};
+
+/***********************************************************************
* Zero Copy UDP implementation with ASIO:
* This is the portable zero copy implementation for systems
* where a faster, platform specific solution is not available.
* However, it is not a true zero copy implementation as each
* send and recv requires a copy operation to/from userspace.
**********************************************************************/
-class udp_zero_copy_asio_impl : public udp_zero_copy, public boost::enable_shared_from_this<udp_zero_copy_asio_impl> {
+class udp_zero_copy_asio_impl : public udp_zero_copy{
public:
typedef boost::shared_ptr<udp_zero_copy_asio_impl> sptr;
@@ -78,8 +133,9 @@ public:
_num_recv_frames(size_t(hints.cast<double>("num_recv_frames", DEFAULT_NUM_FRAMES))),
_send_frame_size(size_t(hints.cast<double>("send_frame_size", udp_simple::mtu))),
_num_send_frames(size_t(hints.cast<double>("num_send_frames", DEFAULT_NUM_FRAMES))),
- _concurrency_hint(hints.cast<size_t>("concurrency_hint", CONCURRENCY_HINT)),
- _io_service(_concurrency_hint)
+ _recv_buffer_pool(buffer_pool::make(_num_recv_frames, _recv_frame_size)),
+ _send_buffer_pool(buffer_pool::make(_num_send_frames, _send_frame_size)),
+ _pending_recv_buffs(_num_recv_frames), _pending_send_buffs(_num_send_frames)
{
//std::cout << boost::format("Creating udp transport for %s %s") % addr % port << std::endl;
@@ -93,39 +149,28 @@ public:
_socket->open(asio::ip::udp::v4());
_socket->connect(receiver_endpoint);
_sock_fd = _socket->native();
- }
- ~udp_zero_copy_asio_impl(void){
- delete _work; //allow io_service run to complete
- _thread_group.join_all(); //wait for service threads to exit
- delete _socket;
- }
-
- void init(void){
- //allocate all recv frames and release them to begin xfers
- _pending_recv_buffs = pending_buffs_type::make(_num_recv_frames);
- _recv_buffer_pool = buffer_pool::make(_num_recv_frames, _recv_frame_size);
- for (size_t i = 0; i < _num_recv_frames; i++){
- release(_recv_buffer_pool->at(i));
+ //allocate re-usable managed receive buffers
+ for (size_t i = 0; i < get_num_recv_frames(); i++){
+ _mrb_pool.push_back(udp_zero_copy_asio_mrb::sptr(
+ new udp_zero_copy_asio_mrb(_recv_buffer_pool->at(i),
+ boost::bind(&udp_zero_copy_asio_impl::release, this, _1))
+ ));
+ handle_recv(_mrb_pool.back().get());
}
- //allocate all send frames and push them into the fifo
- _pending_send_buffs = pending_buffs_type::make(_num_send_frames);
- _send_buffer_pool = buffer_pool::make(_num_send_frames, _send_frame_size);
- for (size_t i = 0; i < _num_send_frames; i++){
- handle_send(_send_buffer_pool->at(i));
+ //allocate re-usable managed send buffers
+ for (size_t i = 0; i < get_num_send_frames(); i++){
+ _msb_pool.push_back(udp_zero_copy_asio_msb::sptr(
+ new udp_zero_copy_asio_msb(_send_buffer_pool->at(i),
+ boost::bind(&udp_zero_copy_asio_impl::commit, this, _1, _2))
+ ));
+ handle_send(_msb_pool.back().get());
}
-
- //spawn the service threads that will run the io service
- _work = new asio::io_service::work(_io_service); //new work to delete later
- for (size_t i = 0; i < _concurrency_hint; i++) _thread_group.create_thread(
- boost::bind(&udp_zero_copy_asio_impl::service, this)
- );
}
- void service(void){
- set_thread_priority_safe();
- _io_service.run();
+ ~udp_zero_copy_asio_impl(void){
+ delete _socket;
}
//get size for internal socket buffer
@@ -142,49 +187,12 @@ public:
return get_buff_size<Opt>();
}
- //! handle a recv callback -> push the filled memory into the fifo
- UHD_INLINE void handle_recv(void *mem, size_t len){
- boost::this_thread::disable_interruption di; //disable because the wait can throw
- _pending_recv_buffs->push_with_wait(boost::asio::buffer(mem, len));
+ UHD_INLINE void handle_recv(udp_zero_copy_asio_mrb *mrb){
+ _pending_recv_buffs.push_with_pop_on_full(mrb);
}
- ////////////////////////////////////////////////////////////////////
- #ifdef USE_ASIO_ASYNC_RECV
- ////////////////////////////////////////////////////////////////////
- //! pop a filled recv buffer off of the fifo and bind with the release callback
managed_recv_buffer::sptr get_recv_buff(double timeout){
- boost::this_thread::disable_interruption di; //disable because the wait can throw
- asio::mutable_buffer buff;
- if (_pending_recv_buffs->pop_with_timed_wait(buff, timeout)){
- return managed_recv_buffer::make_safe(
- buff, boost::bind(
- &udp_zero_copy_asio_impl::release,
- shared_from_this(),
- asio::buffer_cast<void*>(buff)
- )
- );
- }
- return managed_recv_buffer::sptr();
- }
-
- //! release a recv buffer -> start an async recv on the buffer
- void release(void *mem){
- _socket->async_receive(
- boost::asio::buffer(mem, this->get_recv_frame_size()),
- boost::bind(
- &udp_zero_copy_asio_impl::handle_recv,
- shared_from_this(), mem,
- asio::placeholders::bytes_transferred
- )
- );
- }
-
- ////////////////////////////////////////////////////////////////////
- #else /*USE_ASIO_ASYNC_RECV*/
- ////////////////////////////////////////////////////////////////////
- managed_recv_buffer::sptr get_recv_buff(double timeout){
- boost::this_thread::disable_interruption di; //disable because the wait can throw
- asio::mutable_buffer buff;
+ udp_zero_copy_asio_mrb *mrb;
//setup timeval for timeout
timeval tv;
@@ -196,104 +204,57 @@ public:
FD_ZERO(&rset);
FD_SET(_sock_fd, &rset);
- //call select to perform timed wait and grab an available buffer with wait
+ //call select to perform timed wait and grab an available buffer now
//if the condition is true, call receive and return the managed buffer
if (
- ::select(_sock_fd+1, &rset, NULL, NULL, &tv) > 0 and
- _pending_recv_buffs->pop_with_timed_wait(buff, timeout)
+ ::select(_sock_fd+1, &rset, NULL, NULL, &tv) > 0
+ and _pending_recv_buffs.pop_with_haste(mrb)
){
- return managed_recv_buffer::make_safe(
- asio::buffer(
- boost::asio::buffer_cast<void *>(buff),
- _socket->receive(asio::buffer(buff))
- ),
- boost::bind(
- &udp_zero_copy_asio_impl::release,
- shared_from_this(),
- asio::buffer_cast<void*>(buff)
- )
- );
+ return mrb->get_new(::recv(_sock_fd, mrb->cast<char *>(), _recv_frame_size, 0));
}
return managed_recv_buffer::sptr();
}
- void release(void *mem){
- boost::this_thread::disable_interruption di; //disable because the wait can throw
- handle_recv(mem, this->get_recv_frame_size());
+ void release(udp_zero_copy_asio_mrb *mrb){
+ handle_recv(mrb);
}
- ////////////////////////////////////////////////////////////////////
- #endif /*USE_ASIO_ASYNC_RECV*/
- ////////////////////////////////////////////////////////////////////
-
size_t get_num_recv_frames(void) const {return _num_recv_frames;}
size_t get_recv_frame_size(void) const {return _recv_frame_size;}
- //! handle a send callback -> push the emptied memory into the fifo
- UHD_INLINE void handle_send(void *mem){
- boost::this_thread::disable_interruption di; //disable because the wait can throw
- _pending_send_buffs->push_with_wait(boost::asio::buffer(mem, this->get_send_frame_size()));
+ UHD_INLINE void handle_send(udp_zero_copy_asio_msb *msb){
+ _pending_send_buffs.push_with_pop_on_full(msb);
}
- //! pop an empty send buffer off of the fifo and bind with the commit callback
- managed_send_buffer::sptr get_send_buff(double timeout){
- boost::this_thread::disable_interruption di; //disable because the wait can throw
- asio::mutable_buffer buff;
- if (_pending_send_buffs->pop_with_timed_wait(buff, timeout)){
- return managed_send_buffer::make_safe(
- buff, boost::bind(
- &udp_zero_copy_asio_impl::commit,
- shared_from_this(),
- asio::buffer_cast<void*>(buff), _1
- )
- );
+ managed_send_buffer::sptr get_send_buff(double){
+ udp_zero_copy_asio_msb *msb;
+ if (_pending_send_buffs.pop_with_haste(msb)){
+ return msb->get_new(_send_frame_size);
}
return managed_send_buffer::sptr();
}
- ////////////////////////////////////////////////////////////////////
- #ifdef USE_ASIO_ASYNC_SEND
- ////////////////////////////////////////////////////////////////////
- //! commit a send buffer -> start an async send on the buffer
- void commit(void *mem, size_t len){
- _socket->async_send(
- boost::asio::buffer(mem, len),
- boost::bind(
- &udp_zero_copy_asio_impl::handle_send,
- shared_from_this(), mem
- )
- );
- }
-
- ////////////////////////////////////////////////////////////////////
- #else /*USE_ASIO_ASYNC_SEND*/
- ////////////////////////////////////////////////////////////////////
- void commit(void *mem, size_t len){
- _socket->send(asio::buffer(mem, len));
- handle_send(mem);
+ void commit(udp_zero_copy_asio_msb *msb, size_t len){
+ ::send(_sock_fd, msb->cast<const char *>(), len, 0);
+ handle_send(msb);
}
- ////////////////////////////////////////////////////////////////////
- #endif /*USE_ASIO_ASYNC_SEND*/
- ////////////////////////////////////////////////////////////////////
-
size_t get_num_send_frames(void) const {return _num_send_frames;}
size_t get_send_frame_size(void) const {return _send_frame_size;}
private:
//memory management -> buffers and fifos
- boost::thread_group _thread_group;
- buffer_pool::sptr _send_buffer_pool, _recv_buffer_pool;
- typedef bounded_buffer<asio::mutable_buffer> pending_buffs_type;
- pending_buffs_type::sptr _pending_recv_buffs, _pending_send_buffs;
const size_t _recv_frame_size, _num_recv_frames;
const size_t _send_frame_size, _num_send_frames;
+ buffer_pool::sptr _recv_buffer_pool, _send_buffer_pool;
+ bounded_buffer<udp_zero_copy_asio_mrb *> _pending_recv_buffs;
+ bounded_buffer<udp_zero_copy_asio_msb *> _pending_send_buffs;
+ std::vector<udp_zero_copy_asio_msb::sptr> _msb_pool;
+ std::vector<udp_zero_copy_asio_mrb::sptr> _mrb_pool;
//asio guts -> socket and service
- size_t _concurrency_hint;
asio::io_service _io_service;
asio::ip::udp::socket *_socket;
- asio::io_service::work *_work;
int _sock_fd;
};
@@ -346,7 +307,5 @@ udp_zero_copy::sptr udp_zero_copy::make(
resize_buff_helper<asio::socket_base::receive_buffer_size>(udp_trans, recv_buff_size, "recv");
resize_buff_helper<asio::socket_base::send_buffer_size> (udp_trans, send_buff_size, "send");
- udp_trans->init(); //buffers resized -> call init() to use
-
return udp_trans;
}
diff --git a/host/lib/transport/vrt_packet_handler.hpp b/host/lib/transport/vrt_packet_handler.hpp
index c535edd04..795d5bc62 100644
--- a/host/lib/transport/vrt_packet_handler.hpp
+++ b/host/lib/transport/vrt_packet_handler.hpp
@@ -67,13 +67,17 @@ template <typename T> UHD_INLINE T get_context_code(
std::vector<const boost::uint8_t *> copy_buffs;
size_t size_of_copy_buffs;
size_t fragment_offset_in_samps;
+ std::vector<void *> io_buffs;
+ uhd::convert::input_type otw_buffs;
recv_state(size_t width = 1):
width(width),
managed_buffs(width),
copy_buffs(width, NULL),
size_of_copy_buffs(0),
- fragment_offset_in_samps(0)
+ fragment_offset_in_samps(0),
+ io_buffs(0), //resized later
+ otw_buffs(1) //always 1 for now
{
/* NOP */
}
@@ -144,7 +148,7 @@ template <typename T> UHD_INLINE T get_context_code(
******************************************************************/
static UHD_INLINE size_t _recv1(
recv_state &state,
- const std::vector<void *> &buffs,
+ const uhd::device::recv_buffs_type &buffs,
size_t offset_bytes,
size_t total_samps,
uhd::rx_metadata_t &metadata,
@@ -192,17 +196,16 @@ template <typename T> UHD_INLINE T get_context_code(
size_t bytes_to_copy = nsamps_to_copy*bytes_per_item;
size_t nsamps_to_copy_per_io_buff = nsamps_to_copy/chans_per_otw_buff;
- std::vector<void *> io_buffs(chans_per_otw_buff);
- for (size_t i = 0; i < state.width; i+=chans_per_otw_buff){
+ for (size_t i = 0; i < buffs.size(); i+=chans_per_otw_buff){
//fill a vector with pointers to the io buffers
for (size_t j = 0; j < chans_per_otw_buff; j++){
- io_buffs[j] = reinterpret_cast<boost::uint8_t *>(buffs[i+j]) + offset_bytes;
+ state.io_buffs[j] = reinterpret_cast<boost::uint8_t *>(buffs[i+j]) + offset_bytes;
}
//copy-convert the samples from the recv buffer
- uhd::convert::input_type otw_buffs(1, state.copy_buffs[i]);
- converter(otw_buffs, io_buffs, nsamps_to_copy_per_io_buff);
+ state.otw_buffs[0] = state.copy_buffs[i];
+ converter(state.otw_buffs, state.io_buffs, nsamps_to_copy_per_io_buff);
//update the rx copy buffer to reflect the bytes copied
state.copy_buffs[i] += bytes_to_copy;
@@ -223,7 +226,7 @@ template <typename T> UHD_INLINE T get_context_code(
******************************************************************/
static UHD_INLINE size_t recv(
recv_state &state,
- const std::vector<void *> &buffs,
+ const uhd::device::recv_buffs_type &buffs,
const size_t total_num_samps,
uhd::rx_metadata_t &metadata,
uhd::device::recv_mode_t recv_mode,
@@ -236,6 +239,8 @@ template <typename T> UHD_INLINE T get_context_code(
size_t vrt_header_offset_words32 = 0,
size_t chans_per_otw_buff = 1
){
+ state.io_buffs.resize(chans_per_otw_buff);
+
uhd::convert::function_type converter(
uhd::convert::get_converter_otw_to_cpu(
io_type, otw_type, 1, chans_per_otw_buff
@@ -300,8 +305,20 @@ template <typename T> UHD_INLINE T get_context_code(
struct send_state{
//init the expected seq number
size_t next_packet_seq;
-
- send_state(void) : next_packet_seq(0){
+ managed_send_buffs_t managed_buffs;
+ const boost::uint64_t zeros;
+ std::vector<const void *> zero_buffs;
+ std::vector<const void *> io_buffs;
+ uhd::convert::output_type otw_buffs;
+
+ send_state(size_t width = 1):
+ next_packet_seq(0),
+ managed_buffs(width),
+ zeros(0),
+ zero_buffs(width, &zeros),
+ io_buffs(0), //resized later
+ otw_buffs(1) //always 1 for now
+ {
/* NOP */
}
};
@@ -312,7 +329,7 @@ template <typename T> UHD_INLINE T get_context_code(
******************************************************************/
static UHD_INLINE size_t _send1(
send_state &state,
- const std::vector<const void *> &buffs,
+ const uhd::device::send_buffs_type &buffs,
const size_t offset_bytes,
const size_t num_samps,
uhd::transport::vrt::if_packet_info_t &if_packet_info,
@@ -326,29 +343,27 @@ template <typename T> UHD_INLINE T get_context_code(
if_packet_info.num_payload_words32 = (num_samps*chans_per_otw_buff*OTW_BYTES_PER_SAMP)/sizeof(boost::uint32_t);
if_packet_info.packet_count = state.next_packet_seq;
- //get send buffers for each channel
- managed_send_buffs_t send_buffs(buffs.size()/chans_per_otw_buff);
- if (not get_send_buffs(send_buffs)) return 0;
+ //get send buffers for each otw channel
+ if (not get_send_buffs(state.managed_buffs)) return 0;
- std::vector<const void *> io_buffs(chans_per_otw_buff);
for (size_t i = 0; i < buffs.size(); i+=chans_per_otw_buff){
//calculate pointers with offsets to io and otw memory
for (size_t j = 0; j < chans_per_otw_buff; j++){
- io_buffs[j] = reinterpret_cast<const boost::uint8_t *>(buffs[i+j]) + offset_bytes;
+ state.io_buffs[j] = reinterpret_cast<const boost::uint8_t *>(buffs[i+j]) + offset_bytes;
}
- boost::uint32_t *otw_mem = send_buffs[i]->cast<boost::uint32_t *>() + vrt_header_offset_words32;
+ boost::uint32_t *otw_mem = state.managed_buffs[i]->cast<boost::uint32_t *>() + vrt_header_offset_words32;
//pack metadata into a vrt header
vrt_packer(otw_mem, if_packet_info);
otw_mem += if_packet_info.num_header_words32;
//copy-convert the samples into the send buffer
- uhd::convert::output_type otw_buffs(1, otw_mem);
- converter(io_buffs, otw_buffs, num_samps);
+ state.otw_buffs[0] = otw_mem;
+ converter(state.io_buffs, state.otw_buffs, num_samps);
//commit the samples to the zero-copy interface
size_t num_bytes_total = (vrt_header_offset_words32+if_packet_info.num_packet_words32)*sizeof(boost::uint32_t);
- send_buffs[i]->commit(num_bytes_total);
+ state.managed_buffs[i]->commit(num_bytes_total);
}
state.next_packet_seq++; //increment sequence after commits
return num_samps;
@@ -359,7 +374,7 @@ template <typename T> UHD_INLINE T get_context_code(
******************************************************************/
static UHD_INLINE size_t send(
send_state &state,
- const std::vector<const void *> &buffs,
+ const uhd::device::send_buffs_type &buffs,
const size_t total_num_samps,
const uhd::tx_metadata_t &metadata,
uhd::device::send_mode_t send_mode,
@@ -372,6 +387,8 @@ template <typename T> UHD_INLINE T get_context_code(
size_t vrt_header_offset_words32 = 0,
size_t chans_per_otw_buff = 1
){
+ state.io_buffs.resize(chans_per_otw_buff);
+
uhd::convert::function_type converter(
uhd::convert::get_converter_cpu_to_otw(
io_type, otw_type, chans_per_otw_buff, 1
@@ -398,19 +415,11 @@ template <typename T> UHD_INLINE T get_context_code(
if_packet_info.sob = metadata.start_of_burst;
if_packet_info.eob = metadata.end_of_burst;
- //TODO remove this code when sample counts of zero are supported by hardware
- std::vector<const void *> buffs_(buffs);
- size_t total_num_samps_(total_num_samps);
- if (total_num_samps == 0){
- static const boost::uint64_t zeros = 0; //max size of a host sample
- buffs_ = std::vector<const void *>(buffs.size(), &zeros);
- total_num_samps_ = 1;
- }
-
return _send1(
state,
- buffs_, 0,
- std::min(total_num_samps_, max_samples_per_packet),
+ //TODO remove this code when sample counts of zero are supported by hardware
+ (total_num_samps)?buffs : state.zero_buffs, 0,
+ std::max<size_t>(1, std::min(total_num_samps, max_samples_per_packet)),
if_packet_info,
converter,
vrt_packer,
diff --git a/host/lib/transport/zero_copy.cpp b/host/lib/transport/zero_copy.cpp
index a5a864a04..b91eaae1d 100644
--- a/host/lib/transport/zero_copy.cpp
+++ b/host/lib/transport/zero_copy.cpp
@@ -1,5 +1,5 @@
//
-// Copyright 2010 Ettus Research LLC
+// Copyright 2010-2011 Ettus Research LLC
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
@@ -29,10 +29,9 @@ static void release_nop(void){
class safe_managed_receive_buffer : public managed_recv_buffer{
public:
safe_managed_receive_buffer(
- const boost::asio::const_buffer &buff,
- const release_fcn_t &release_fcn
+ const void *buff, size_t size, const release_fcn_t &release_fcn
):
- _buff(buff), _release_fcn(release_fcn)
+ _buff(buff), _size(size), _release_fcn(release_fcn)
{
/* NOP */
}
@@ -48,19 +47,23 @@ public:
}
private:
- const boost::asio::const_buffer &get(void) const{
+ const void *get_buff(void) const{
return _buff;
}
- const boost::asio::const_buffer _buff;
+ size_t get_size(void) const{
+ return _size;
+ }
+
+ const void *_buff;
+ size_t _size;
release_fcn_t _release_fcn;
};
managed_recv_buffer::sptr managed_recv_buffer::make_safe(
- const boost::asio::const_buffer &buff,
- const release_fcn_t &release_fcn
+ const void *buff, size_t size, const release_fcn_t &release_fcn
){
- return sptr(new safe_managed_receive_buffer(buff, release_fcn));
+ return sptr(new safe_managed_receive_buffer(buff, size, release_fcn));
}
/***********************************************************************
@@ -73,10 +76,9 @@ static void commit_nop(size_t){
class safe_managed_send_buffer : public managed_send_buffer{
public:
safe_managed_send_buffer(
- const boost::asio::mutable_buffer &buff,
- const commit_fcn_t &commit_fcn
+ void *buff, size_t size, const commit_fcn_t &commit_fcn
):
- _buff(buff), _commit_fcn(commit_fcn)
+ _buff(buff), _size(size), _commit_fcn(commit_fcn)
{
/* NOP */
}
@@ -92,17 +94,21 @@ public:
}
private:
- const boost::asio::mutable_buffer &get(void) const{
+ void *get_buff(void) const{
return _buff;
}
- const boost::asio::mutable_buffer _buff;
+ size_t get_size(void) const{
+ return _size;
+ }
+
+ void *_buff;
+ size_t _size;
commit_fcn_t _commit_fcn;
};
safe_managed_send_buffer::sptr managed_send_buffer::make_safe(
- const boost::asio::mutable_buffer &buff,
- const commit_fcn_t &commit_fcn
+ void *buff, size_t size, const commit_fcn_t &commit_fcn
){
- return sptr(new safe_managed_send_buffer(buff, commit_fcn));
+ return sptr(new safe_managed_send_buffer(buff, size, commit_fcn));
}
diff --git a/host/lib/types/time_spec.cpp b/host/lib/types/time_spec.cpp
index ece3b92f3..4a41f0fb9 100644
--- a/host/lib/types/time_spec.cpp
+++ b/host/lib/types/time_spec.cpp
@@ -99,7 +99,7 @@ time_spec_t::time_spec_t(time_t full_secs, double frac_secs):
time_spec_t::time_spec_t(time_t full_secs, long tick_count, double tick_rate):
_full_secs(full_secs),
- _frac_secs(double(tick_count)/tick_rate)
+ _frac_secs(tick_count/tick_rate)
{
/* NOP */
}
@@ -116,13 +116,11 @@ double time_spec_t::get_real_secs(void) const{
}
time_t time_spec_t::get_full_secs(void) const{
- double intpart;
- std::modf(this->_frac_secs, &intpart);
- return this->_full_secs + time_t(intpart);
+ return this->_full_secs + time_t(this->_frac_secs);
}
double time_spec_t::get_frac_secs(void) const{
- return std::fmod(this->_frac_secs, 1.0);
+ return this->_frac_secs - time_t(this->_frac_secs);
}
/***********************************************************************
diff --git a/host/lib/usrp/usrp1/io_impl.cpp b/host/lib/usrp/usrp1/io_impl.cpp
index 52a7c6650..88cbab073 100644
--- a/host/lib/usrp/usrp1/io_impl.cpp
+++ b/host/lib/usrp/usrp1/io_impl.cpp
@@ -159,10 +159,8 @@ bool usrp1_impl::io_impl::get_send_buffs(
//calculate the buffer pointer and size given the offset
//references to the buffers are held in the bound function
buffs[0] = managed_send_buffer::make_safe(
- boost::asio::buffer(
- curr_buff->buff->cast<char *>() + curr_buff->offset,
- curr_buff->buff->size() - curr_buff->offset
- ),
+ curr_buff->buff->cast<char *>() + curr_buff->offset,
+ curr_buff->buff->size() - curr_buff->offset,
boost::bind(&usrp1_impl::io_impl::commit_send_buff, this, curr_buff, next_buff, _1)
);
@@ -222,7 +220,7 @@ size_t usrp1_impl::get_max_send_samps_per_packet(void) const {
}
size_t usrp1_impl::send(
- const std::vector<const void *> &buffs, size_t num_samps,
+ const send_buffs_type &buffs, size_t num_samps,
const tx_metadata_t &metadata, const io_type_t &io_type,
send_mode_t send_mode, double timeout
){
@@ -300,7 +298,7 @@ size_t usrp1_impl::get_max_recv_samps_per_packet(void) const {
}
size_t usrp1_impl::recv(
- const std::vector<void *> &buffs, size_t num_samps,
+ const recv_buffs_type &buffs, size_t num_samps,
rx_metadata_t &metadata, const io_type_t &io_type,
recv_mode_t recv_mode, double timeout
){
diff --git a/host/lib/usrp/usrp1/soft_time_ctrl.cpp b/host/lib/usrp/usrp1/soft_time_ctrl.cpp
index 246df93eb..e1b671811 100644
--- a/host/lib/usrp/usrp1/soft_time_ctrl.cpp
+++ b/host/lib/usrp/usrp1/soft_time_ctrl.cpp
@@ -39,7 +39,7 @@ public:
soft_time_ctrl_impl(const cb_fcn_type &stream_on_off):
_nsamps_remaining(0),
_stream_mode(stream_cmd_t::STREAM_MODE_STOP_CONTINUOUS),
- _cmd_queue(bounded_buffer<boost::any>::make(2)),
+ _cmd_queue(2),
_stream_on_off(stream_on_off)
{
//synchronously spawn a new thread
@@ -112,7 +112,7 @@ public:
}
void issue_stream_cmd(const stream_cmd_t &cmd){
- _cmd_queue->push_with_wait(cmd);
+ _cmd_queue.push_with_wait(cmd);
}
void stream_on_off(bool enb){
@@ -180,7 +180,7 @@ public:
try{
boost::any cmd;
while (true){
- _cmd_queue->pop_with_wait(cmd);
+ _cmd_queue.pop_with_wait(cmd);
recv_cmd_handle_cmd(boost::any_cast<stream_cmd_t>(cmd));
}
} catch(const boost::thread_interrupted &){}
@@ -191,7 +191,7 @@ private:
size_t _nsamps_remaining;
stream_cmd_t::stream_mode_t _stream_mode;
time_spec_t _time_offset;
- bounded_buffer<boost::any>::sptr _cmd_queue;
+ bounded_buffer<boost::any> _cmd_queue;
const cb_fcn_type _stream_on_off;
boost::thread_group _thread_group;
};
diff --git a/host/lib/usrp/usrp1/usrp1_impl.hpp b/host/lib/usrp/usrp1/usrp1_impl.hpp
index 28199ebe3..1d9f6709f 100644
--- a/host/lib/usrp/usrp1/usrp1_impl.hpp
+++ b/host/lib/usrp/usrp1/usrp1_impl.hpp
@@ -80,13 +80,13 @@ public:
~usrp1_impl(void);
//the io interface
- size_t send(const std::vector<const void *> &,
+ size_t send(const send_buffs_type &,
size_t,
const uhd::tx_metadata_t &,
const uhd::io_type_t &,
send_mode_t, double);
- size_t recv(const std::vector<void *> &,
+ size_t recv(const recv_buffs_type &,
size_t, uhd::rx_metadata_t &,
const uhd::io_type_t &,
recv_mode_t, double);
diff --git a/host/lib/usrp/usrp2/io_impl.cpp b/host/lib/usrp/usrp2/io_impl.cpp
index 30eaecae2..d09ce1871 100644
--- a/host/lib/usrp/usrp2/io_impl.cpp
+++ b/host/lib/usrp/usrp2/io_impl.cpp
@@ -32,6 +32,18 @@ using namespace uhd;
using namespace uhd::usrp;
using namespace uhd::transport;
namespace asio = boost::asio;
+namespace pt = boost::posix_time;
+
+/***********************************************************************
+ * helpers
+ **********************************************************************/
+static UHD_INLINE pt::time_duration to_time_dur(double timeout){
+ return pt::microseconds(long(timeout*1e6));
+}
+
+static UHD_INLINE double from_time_dur(const pt::time_duration &time_dur){
+ return 1e-6*time_dur.total_microseconds();
+}
/***********************************************************************
* constants
@@ -61,6 +73,7 @@ public:
_last_seq_out = 0;
_last_seq_ack = 0;
_max_seqs_out = max_seqs_out;
+ _ready_fcn = boost::bind(&flow_control_monitor::ready, this);
}
/*!
@@ -73,11 +86,8 @@ public:
boost::this_thread::disable_interruption di; //disable because the wait can throw
boost::unique_lock<boost::mutex> lock(_fc_mutex);
_last_seq_out = seq;
- return _fc_cond.timed_wait(
- lock,
- boost::posix_time::microseconds(long(timeout*1e6)),
- boost::bind(&flow_control_monitor::ready, this)
- );
+ if (this->ready()) return true;
+ return _fc_cond.timed_wait(lock, to_time_dur(timeout), _ready_fcn);
}
/*!
@@ -99,6 +109,7 @@ private:
boost::mutex _fc_mutex;
boost::condition _fc_cond;
seq_type _last_seq_out, _last_seq_ack, _max_seqs_out;
+ boost::function<bool(void)> _ready_fcn;
};
/***********************************************************************
@@ -110,11 +121,16 @@ private:
**********************************************************************/
struct usrp2_impl::io_impl{
- io_impl(size_t send_frame_size, size_t width):
- packet_handler_recv_state(width),
- async_msg_fifo(bounded_buffer<async_metadata_t>::make(100/*messages deep*/))
+ io_impl(size_t send_frame_size, const std::vector<zero_copy_if::sptr> &xports):
+ xports(xports),
+ packet_handler_recv_state(xports.size()),
+ packet_handler_send_state(xports.size()),
+ async_msg_fifo(100/*messages deep*/)
{
- for (size_t i = 0; i < width; i++){
+ get_recv_buffs_fcn = boost::bind(&usrp2_impl::io_impl::get_recv_buffs, this, _1);
+ get_send_buffs_fcn = boost::bind(&usrp2_impl::io_impl::get_send_buffs, this, _1);
+
+ for (size_t i = 0; i < xports.size(); i++){
fc_mons.push_back(flow_control_monitor::sptr(
new flow_control_monitor(usrp2_impl::sram_bytes/send_frame_size)
));
@@ -135,31 +151,32 @@ struct usrp2_impl::io_impl{
recv_pirate_crew.join_all();
}
- bool get_send_buffs(
- const std::vector<zero_copy_if::sptr> &trans,
- vrt_packet_handler::managed_send_buffs_t &buffs,
- double timeout
- ){
- UHD_ASSERT_THROW(trans.size() == buffs.size());
+ bool get_send_buffs(vrt_packet_handler::managed_send_buffs_t &buffs){
+ UHD_ASSERT_THROW(xports.size() == buffs.size());
//calculate the flow control word
const boost::uint32_t fc_word32 = packet_handler_send_state.next_packet_seq;
//grab a managed buffer for each index
for (size_t i = 0; i < buffs.size(); i++){
- if (not fc_mons[i]->check_fc_condition(fc_word32, timeout)) return false;
- buffs[i] = trans[i]->get_send_buff(timeout);
+ if (not fc_mons[i]->check_fc_condition(fc_word32, send_timeout)) return false;
+ buffs[i] = xports[i]->get_send_buff(send_timeout);
if (not buffs[i].get()) return false;
buffs[i]->cast<boost::uint32_t *>()[0] = uhd::htonx(fc_word32);
}
return true;
}
- bool get_recv_buffs(
- const std::vector<zero_copy_if::sptr> &xports,
- vrt_packet_handler::managed_recv_buffs_t &buffs,
- double timeout
- );
+ bool get_recv_buffs(vrt_packet_handler::managed_recv_buffs_t &buffs);
+
+ const std::vector<zero_copy_if::sptr> &xports;
+
+ //timeouts set on calls to recv/send (passed into get buffs methods)
+ double recv_timeout, send_timeout;
+
+ //bound callbacks for get buffs (bound once here, not in fast-path)
+ vrt_packet_handler::get_recv_buffs_t get_recv_buffs_fcn;
+ vrt_packet_handler::get_send_buffs_t get_send_buffs_fcn;
//previous state for each buffer
std::vector<vrt::if_packet_info_t> prev_infos;
@@ -175,7 +192,7 @@ struct usrp2_impl::io_impl{
void recv_pirate_loop(zero_copy_if::sptr, usrp2_mboard_impl::sptr, size_t);
boost::thread_group recv_pirate_crew;
bool recv_pirate_crew_raiding;
- bounded_buffer<async_metadata_t>::sptr async_msg_fifo;
+ bounded_buffer<async_metadata_t> async_msg_fifo;
boost::mutex spawn_mutex;
};
@@ -228,7 +245,7 @@ void usrp2_impl::io_impl::recv_pirate_loop(
//print the famous U, and push the metadata into the message queue
if (metadata.event_code & underflow_flags) std::cerr << "U" << std::flush;
//else std::cout << "metadata.event_code " << metadata.event_code << std::endl;
- async_msg_fifo->push_with_pop_on_full(metadata);
+ async_msg_fifo.push_with_pop_on_full(metadata);
}
else{
//TODO unknown received packet, may want to print error...
@@ -248,7 +265,7 @@ void usrp2_impl::io_init(void){
const size_t send_frame_size = _data_transports.front()->get_send_frame_size();
//create new io impl
- _io_impl = UHD_PIMPL_MAKE(io_impl, (send_frame_size, _data_transports.size()));
+ _io_impl = UHD_PIMPL_MAKE(io_impl, (send_frame_size, _data_transports));
//create a new pirate thread for each zc if (yarr!!)
for (size_t i = 0; i < _data_transports.size(); i++){
@@ -274,7 +291,7 @@ bool usrp2_impl::recv_async_msg(
async_metadata_t &async_metadata, double timeout
){
boost::this_thread::disable_interruption di; //disable because the wait can throw
- return _io_impl->async_msg_fifo->pop_with_timed_wait(async_metadata, timeout);
+ return _io_impl->async_msg_fifo.pop_with_timed_wait(async_metadata, timeout);
}
/***********************************************************************
@@ -291,10 +308,11 @@ size_t usrp2_impl::get_max_send_samps_per_packet(void) const{
}
size_t usrp2_impl::send(
- const std::vector<const void *> &buffs, size_t num_samps,
+ const send_buffs_type &buffs, size_t num_samps,
const tx_metadata_t &metadata, const io_type_t &io_type,
send_mode_t send_mode, double timeout
){
+ _io_impl->send_timeout = timeout;
return vrt_packet_handler::send(
_io_impl->packet_handler_send_state, //last state of the send handler
buffs, num_samps, //buffer to fill
@@ -302,7 +320,7 @@ size_t usrp2_impl::send(
io_type, _tx_otw_type, //input and output types to convert
_mboards.front()->get_master_clock_freq(), //master clock tick rate
uhd::transport::vrt::if_hdr_pack_be,
- boost::bind(&usrp2_impl::io_impl::get_send_buffs, _io_impl.get(), _data_transports, _1, timeout),
+ _io_impl->get_send_buffs_fcn,
get_max_send_samps_per_packet(),
vrt_send_header_offset_words32
);
@@ -311,14 +329,6 @@ size_t usrp2_impl::send(
/***********************************************************************
* Alignment logic on receive
**********************************************************************/
-static UHD_INLINE boost::posix_time::time_duration to_time_dur(double timeout){
- return boost::posix_time::microseconds(long(timeout*1e6));
-}
-
-static UHD_INLINE double from_time_dur(const boost::posix_time::time_duration &time_dur){
- return 1e-6*time_dur.total_microseconds();
-}
-
static UHD_INLINE time_spec_t extract_time_spec(
const vrt::if_packet_info_t &packet_info
){
@@ -360,12 +370,10 @@ static UHD_INLINE bool handle_msg_packet(
}
UHD_INLINE bool usrp2_impl::io_impl::get_recv_buffs(
- const std::vector<zero_copy_if::sptr> &xports,
- vrt_packet_handler::managed_recv_buffs_t &buffs,
- double timeout
+ vrt_packet_handler::managed_recv_buffs_t &buffs
){
if (buffs.size() == 1){
- buffs[0] = xports[0]->get_recv_buff(timeout);
+ buffs[0] = xports[0]->get_recv_buff(recv_timeout);
if (buffs[0].get() == NULL) return false;
bool clear, msg; time_spec_t time; //unused variables
//call extract_packet_info to handle printing the overflows
@@ -373,7 +381,7 @@ UHD_INLINE bool usrp2_impl::io_impl::get_recv_buffs(
return true;
}
//-------------------- begin alignment logic ---------------------//
- boost::system_time exit_time = boost::get_system_time() + to_time_dur(timeout);
+ boost::system_time exit_time = boost::get_system_time() + to_time_dur(recv_timeout);
managed_recv_buffer::sptr buff_tmp;
std::list<size_t> _all_indexes, indexes_to_do;
for (size_t i = 0; i < buffs.size(); i++) _all_indexes.push_back(i);
@@ -454,10 +462,11 @@ static void handle_overflow(std::vector<usrp2_mboard_impl::sptr> &mboards, size_
}
size_t usrp2_impl::recv(
- const std::vector<void *> &buffs, size_t num_samps,
+ const recv_buffs_type &buffs, size_t num_samps,
rx_metadata_t &metadata, const io_type_t &io_type,
recv_mode_t recv_mode, double timeout
){
+ _io_impl->recv_timeout = timeout;
return vrt_packet_handler::recv(
_io_impl->packet_handler_recv_state, //last state of the recv handler
buffs, num_samps, //buffer to fill
@@ -465,7 +474,7 @@ size_t usrp2_impl::recv(
io_type, _rx_otw_type, //input and output types to convert
_mboards.front()->get_master_clock_freq(), //master clock tick rate
uhd::transport::vrt::if_hdr_unpack_be,
- boost::bind(&usrp2_impl::io_impl::get_recv_buffs, _io_impl.get(), _data_transports, _1, timeout),
- boost::bind(&handle_overflow, _mboards, _1)
+ _io_impl->get_recv_buffs_fcn,
+ boost::bind(&handle_overflow, boost::ref(_mboards), _1)
);
}
diff --git a/host/lib/usrp/usrp2/usrp2_iface.cpp b/host/lib/usrp/usrp2/usrp2_iface.cpp
index 149c5011f..4407a3011 100644
--- a/host/lib/usrp/usrp2/usrp2_iface.cpp
+++ b/host/lib/usrp/usrp2/usrp2_iface.cpp
@@ -1,5 +1,5 @@
//
-// Copyright 2010 Ettus Research LLC
+// Copyright 2010-2011 Ettus Research LLC
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
@@ -42,6 +42,7 @@ public:
**********************************************************************/
usrp2_iface_impl(udp_simple::sptr ctrl_transport){
_ctrl_transport = ctrl_transport;
+ _ctrl_seq_num = 0;
mb_eeprom = mboard_eeprom_t(*this, mboard_eeprom_t::MAP_N100);
switch(this->get_rev()){
diff --git a/host/lib/usrp/usrp2/usrp2_impl.hpp b/host/lib/usrp/usrp2/usrp2_impl.hpp
index ad95b2a4a..337f842d6 100644
--- a/host/lib/usrp/usrp2/usrp2_impl.hpp
+++ b/host/lib/usrp/usrp2/usrp2_impl.hpp
@@ -200,12 +200,12 @@ public:
//the io interface
size_t send(
- const std::vector<const void *> &, size_t,
+ const send_buffs_type &, size_t,
const uhd::tx_metadata_t &, const uhd::io_type_t &,
uhd::device::send_mode_t, double
);
size_t recv(
- const std::vector<void *> &, size_t,
+ const recv_buffs_type &, size_t,
uhd::rx_metadata_t &, const uhd::io_type_t &,
uhd::device::recv_mode_t, double
);
diff --git a/host/lib/usrp/usrp_e100/io_impl.cpp b/host/lib/usrp/usrp_e100/io_impl.cpp
index 2388482c7..cf2410e4f 100644
--- a/host/lib/usrp/usrp_e100/io_impl.cpp
+++ b/host/lib/usrp/usrp_e100/io_impl.cpp
@@ -1,5 +1,5 @@
//
-// Copyright 2010 Ettus Research LLC
+// Copyright 2010-2011 Ettus Research LLC
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
@@ -54,8 +54,8 @@ struct usrp_e100_impl::io_impl{
bool continuous_streaming;
io_impl(usrp_e100_iface::sptr iface):
data_xport(usrp_e100_make_mmap_zero_copy(iface)),
- recv_pirate_booty(recv_booty_type::make(data_xport->get_num_recv_frames())),
- async_msg_fifo(bounded_buffer<async_metadata_t>::make(100/*messages deep*/))
+ recv_pirate_booty(data_xport->get_num_recv_frames()),
+ async_msg_fifo(100/*messages deep*/)
{
/* NOP */
}
@@ -69,14 +69,13 @@ struct usrp_e100_impl::io_impl{
bool get_recv_buffs(vrt_packet_handler::managed_recv_buffs_t &buffs, double timeout){
UHD_ASSERT_THROW(buffs.size() == 1);
boost::this_thread::disable_interruption di; //disable because the wait can throw
- return recv_pirate_booty->pop_with_timed_wait(buffs.front(), timeout);
+ return recv_pirate_booty.pop_with_timed_wait(buffs.front(), timeout);
}
//a pirate's life is the life for me!
void recv_pirate_loop(usrp_e100_clock_ctrl::sptr);
- typedef bounded_buffer<managed_recv_buffer::sptr> recv_booty_type;
- recv_booty_type::sptr recv_pirate_booty;
- bounded_buffer<async_metadata_t>::sptr async_msg_fifo;
+ bounded_buffer<managed_recv_buffer::sptr> recv_pirate_booty;
+ bounded_buffer<async_metadata_t> async_msg_fifo;
boost::thread_group recv_pirate_crew;
bool recv_pirate_crew_raiding;
};
@@ -124,12 +123,12 @@ void usrp_e100_impl::io_impl::recv_pirate_loop(usrp_e100_clock_ctrl::sptr clock_
//print the famous U, and push the metadata into the message queue
if (metadata.event_code & underflow_flags) std::cerr << "U" << std::flush;
- async_msg_fifo->push_with_pop_on_full(metadata);
+ async_msg_fifo.push_with_pop_on_full(metadata);
continue;
}
//same number of frames as the data transport -> always immediate
- recv_pirate_booty->push_with_wait(buff);
+ recv_pirate_booty.push_with_wait(buff);
}catch(const std::exception &e){
std::cerr << "Error (usrp-e recv pirate loop): " << e.what() << std::endl;
@@ -213,7 +212,7 @@ size_t usrp_e100_impl::get_max_send_samps_per_packet(void) const{
}
size_t usrp_e100_impl::send(
- const std::vector<const void *> &buffs, size_t num_samps,
+ const send_buffs_type &buffs, size_t num_samps,
const tx_metadata_t &metadata, const io_type_t &io_type,
send_mode_t send_mode, double timeout
){
@@ -243,7 +242,7 @@ size_t usrp_e100_impl::get_max_recv_samps_per_packet(void) const{
}
size_t usrp_e100_impl::recv(
- const std::vector<void *> &buffs, size_t num_samps,
+ const recv_buffs_type &buffs, size_t num_samps,
rx_metadata_t &metadata, const io_type_t &io_type,
recv_mode_t recv_mode, double timeout
){
@@ -266,5 +265,5 @@ bool usrp_e100_impl::recv_async_msg(
async_metadata_t &async_metadata, double timeout
){
boost::this_thread::disable_interruption di; //disable because the wait can throw
- return _io_impl->async_msg_fifo->pop_with_timed_wait(async_metadata, timeout);
+ return _io_impl->async_msg_fifo.pop_with_timed_wait(async_metadata, timeout);
}
diff --git a/host/lib/usrp/usrp_e100/usrp_e100_impl.hpp b/host/lib/usrp/usrp_e100/usrp_e100_impl.hpp
index df8e5dc9f..2dc401305 100644
--- a/host/lib/usrp/usrp_e100/usrp_e100_impl.hpp
+++ b/host/lib/usrp/usrp_e100/usrp_e100_impl.hpp
@@ -1,5 +1,5 @@
//
-// Copyright 2010 Ettus Research LLC
+// Copyright 2010-2011 Ettus Research LLC
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
@@ -83,8 +83,8 @@ public:
~usrp_e100_impl(void);
//the io interface
- size_t send(const std::vector<const void *> &, size_t, const uhd::tx_metadata_t &, const uhd::io_type_t &, send_mode_t, double);
- size_t recv(const std::vector<void *> &, size_t, uhd::rx_metadata_t &, const uhd::io_type_t &, recv_mode_t, double);
+ size_t send(const send_buffs_type &, size_t, const uhd::tx_metadata_t &, const uhd::io_type_t &, send_mode_t, double);
+ size_t recv(const recv_buffs_type &, size_t, uhd::rx_metadata_t &, const uhd::io_type_t &, recv_mode_t, double);
bool recv_async_msg(uhd::async_metadata_t &, double);
size_t get_max_send_samps_per_packet(void) const;
size_t get_max_recv_samps_per_packet(void) const;
diff --git a/host/lib/usrp/usrp_e100/usrp_e100_mmap_zero_copy.cpp b/host/lib/usrp/usrp_e100/usrp_e100_mmap_zero_copy.cpp
index bf378a9b1..4e0137fdb 100644
--- a/host/lib/usrp/usrp_e100/usrp_e100_mmap_zero_copy.cpp
+++ b/host/lib/usrp/usrp_e100/usrp_e100_mmap_zero_copy.cpp
@@ -1,5 +1,5 @@
//
-// Copyright 2010 Ettus Research LLC
+// Copyright 2010-2011 Ettus Research LLC
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
@@ -23,7 +23,6 @@
#include <unistd.h> //getpagesize
#include <poll.h> //poll
#include <boost/bind.hpp>
-#include <boost/enable_shared_from_this.hpp>
#include <iostream>
using namespace uhd;
@@ -36,7 +35,7 @@ static const size_t poll_breakout = 10; //how many poll timeouts constitute a fu
/***********************************************************************
* The zero copy interface implementation
**********************************************************************/
-class usrp_e100_mmap_zero_copy_impl : public zero_copy_if, public boost::enable_shared_from_this<usrp_e100_mmap_zero_copy_impl> {
+class usrp_e100_mmap_zero_copy_impl : public zero_copy_if{
public:
usrp_e100_mmap_zero_copy_impl(usrp_e100_iface::sptr iface):
_fd(iface->get_file_descriptor()), _recv_index(0), _send_index(0)
@@ -125,8 +124,8 @@ public:
//return the managed buffer for this frame
if (fp_verbose) std::cout << " make_recv_buff: " << info->len << std::endl;
return managed_recv_buffer::make_safe(
- boost::asio::const_buffer(mem, info->len),
- boost::bind(&usrp_e100_mmap_zero_copy_impl::release, shared_from_this(), info)
+ mem, info->len,
+ boost::bind(&usrp_e100_mmap_zero_copy_impl::release, this, info)
);
}
@@ -161,8 +160,8 @@ public:
//return the managed buffer for this frame
if (fp_verbose) std::cout << " make_send_buff: " << _frame_size << std::endl;
return managed_send_buffer::make_safe(
- boost::asio::mutable_buffer(mem, _frame_size),
- boost::bind(&usrp_e100_mmap_zero_copy_impl::commit, shared_from_this(), info, _1)
+ mem, _frame_size,
+ boost::bind(&usrp_e100_mmap_zero_copy_impl::commit, this, info, _1)
);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-29 12:41:43 +0000