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-rw-r--r--host/lib/usrp/usrp1/io_impl.cpp5
-rw-r--r--host/lib/usrp/usrp2/io_impl.cpp5
-rw-r--r--host/lib/usrp/usrp_e100/io_impl.cpp48
3 files changed, 35 insertions, 23 deletions
diff --git a/host/lib/usrp/usrp1/io_impl.cpp b/host/lib/usrp/usrp1/io_impl.cpp
index 61d5fa872..e28b6efb5 100644
--- a/host/lib/usrp/usrp1/io_impl.cpp
+++ b/host/lib/usrp/usrp1/io_impl.cpp
@@ -103,13 +103,14 @@ private:
struct usrp1_impl::io_impl{
io_impl(zero_copy_if::sptr data_transport):
data_transport(data_transport),
+ get_recv_buffs_fcn(boost::bind(&usrp1_impl::io_impl::get_recv_buffs, this, _1)),
+ get_send_buffs_fcn(boost::bind(&usrp1_impl::io_impl::get_send_buffs, this, _1)),
underflow_poll_samp_count(0),
overflow_poll_samp_count(0),
curr_buff(offset_send_buffer(data_transport->get_send_buff())),
omsb(boost::bind(&usrp1_impl::io_impl::commit_send_buff, this, _1, _2, _3))
{
- get_recv_buffs_fcn = boost::bind(&usrp1_impl::io_impl::get_recv_buffs, this, _1);
- get_send_buffs_fcn = boost::bind(&usrp1_impl::io_impl::get_send_buffs, this, _1);
+ /* NOP */
}
~io_impl(void){
diff --git a/host/lib/usrp/usrp2/io_impl.cpp b/host/lib/usrp/usrp2/io_impl.cpp
index 67b52db71..b20b6652e 100644
--- a/host/lib/usrp/usrp2/io_impl.cpp
+++ b/host/lib/usrp/usrp2/io_impl.cpp
@@ -121,13 +121,12 @@ struct usrp2_impl::io_impl{
io_impl(size_t send_frame_size, const std::vector<zero_copy_if::sptr> &xports):
xports(xports),
+ 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)),
packet_handler_recv_state(xports.size()),
packet_handler_send_state(xports.size()),
async_msg_fifo(100/*messages deep*/)
{
- 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)
diff --git a/host/lib/usrp/usrp_e100/io_impl.cpp b/host/lib/usrp/usrp_e100/io_impl.cpp
index 5fb2da7b8..fc6aaeaee 100644
--- a/host/lib/usrp/usrp_e100/io_impl.cpp
+++ b/host/lib/usrp/usrp_e100/io_impl.cpp
@@ -48,13 +48,10 @@ static const bool recv_debug = false;
* - vrt packet handler states
**********************************************************************/
struct usrp_e100_impl::io_impl{
- //state management for the vrt packet handler code
- vrt_packet_handler::recv_state packet_handler_recv_state;
- vrt_packet_handler::send_state packet_handler_send_state;
- zero_copy_if::sptr data_xport;
- bool continuous_streaming;
io_impl(usrp_e100_iface::sptr iface):
data_xport(usrp_e100_make_mmap_zero_copy(iface)),
+ get_recv_buffs_fcn(boost::bind(&usrp_e100_impl::io_impl::get_recv_buffs, this, _1)),
+ get_send_buffs_fcn(boost::bind(&usrp_e100_impl::io_impl::get_send_buffs, this, _1)),
recv_pirate_booty(data_xport->get_num_recv_frames()),
async_msg_fifo(100/*messages deep*/)
{
@@ -67,12 +64,34 @@ struct usrp_e100_impl::io_impl{
recv_pirate_crew.join_all();
}
- bool get_recv_buffs(vrt_packet_handler::managed_recv_buffs_t &buffs, double timeout){
+ bool get_recv_buffs(vrt_packet_handler::managed_recv_buffs_t &buffs){
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(), recv_timeout);
}
+ bool get_send_buffs(vrt_packet_handler::managed_send_buffs_t &buffs){
+ UHD_ASSERT_THROW(buffs.size() == 1);
+ buffs[0] = data_xport->get_send_buff(send_timeout);
+ return buffs[0].get() != NULL;
+ }
+
+ //The data transport is listed first so that it is deconstructed last,
+ //which is after the states and booty which may hold managed buffers.
+ zero_copy_if::sptr data_xport;
+
+ //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;
+
+ //timeouts set on calls to recv/send (passed into get buffs methods)
+ double recv_timeout, send_timeout;
+
+ //state management for the vrt packet handler code
+ vrt_packet_handler::recv_state packet_handler_recv_state;
+ vrt_packet_handler::send_state packet_handler_send_state;
+ bool continuous_streaming;
+
//a pirate's life is the life for me!
void recv_pirate_loop(usrp_e100_clock_ctrl::sptr);
bounded_buffer<managed_recv_buffer::sptr> recv_pirate_booty;
@@ -204,15 +223,6 @@ void usrp_e100_impl::handle_overrun(size_t){
/***********************************************************************
* Data Send
**********************************************************************/
-bool get_send_buffs(
- zero_copy_if::sptr trans, double timeout,
- vrt_packet_handler::managed_send_buffs_t &buffs
-){
- UHD_ASSERT_THROW(buffs.size() == 1);
- buffs[0] = trans->get_send_buff(timeout);
- return buffs[0].get() != NULL;
-}
-
size_t usrp_e100_impl::get_max_send_samps_per_packet(void) const{
static const size_t hdr_size = 0
+ vrt::max_if_hdr_words32*sizeof(boost::uint32_t)
@@ -227,6 +237,7 @@ size_t usrp_e100_impl::send(
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
@@ -234,7 +245,7 @@ size_t usrp_e100_impl::send(
io_type, _send_otw_type, //input and output types to convert
_clock_ctrl->get_fpga_clock_rate(), //master clock tick rate
uhd::transport::vrt::if_hdr_pack_le,
- boost::bind(&get_send_buffs, _io_impl->data_xport, timeout, _1),
+ _io_impl->get_send_buffs_fcn,
get_max_send_samps_per_packet()
);
}
@@ -257,6 +268,7 @@ size_t usrp_e100_impl::recv(
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
@@ -264,7 +276,7 @@ size_t usrp_e100_impl::recv(
io_type, _recv_otw_type, //input and output types to convert
_clock_ctrl->get_fpga_clock_rate(), //master clock tick rate
uhd::transport::vrt::if_hdr_unpack_le,
- boost::bind(&usrp_e100_impl::io_impl::get_recv_buffs, _io_impl.get(), _1, timeout),
+ _io_impl->get_recv_buffs_fcn,
boost::bind(&usrp_e100_impl::handle_overrun, this, _1)
);
}