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-rw-r--r--host/lib/usrp/usrp2/io_impl.cpp37
1 files changed, 21 insertions, 16 deletions
diff --git a/host/lib/usrp/usrp2/io_impl.cpp b/host/lib/usrp/usrp2/io_impl.cpp
index 36012bcfb..56c20934b 100644
--- a/host/lib/usrp/usrp2/io_impl.cpp
+++ b/host/lib/usrp/usrp2/io_impl.cpp
@@ -116,6 +116,9 @@ struct usrp2_impl::io_impl{
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)
@@ -137,10 +140,7 @@ struct usrp2_impl::io_impl{
recv_pirate_crew.join_all();
}
- bool get_send_buffs(
- vrt_packet_handler::managed_send_buffs_t &buffs,
- double timeout
- ){
+ bool get_send_buffs(vrt_packet_handler::managed_send_buffs_t &buffs){
UHD_ASSERT_THROW(xports.size() == buffs.size());
//calculate the flow control word
@@ -148,21 +148,25 @@ struct usrp2_impl::io_impl{
//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] = xports[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(
- 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;
@@ -297,6 +301,7 @@ size_t usrp2_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
@@ -304,7 +309,7 @@ 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(), _1, timeout),
+ _io_impl->get_send_buffs_fcn,
get_max_send_samps_per_packet(),
vrt_send_header_offset_words32
);
@@ -362,11 +367,10 @@ static UHD_INLINE bool handle_msg_packet(
}
UHD_INLINE bool usrp2_impl::io_impl::get_recv_buffs(
- 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
@@ -374,7 +378,7 @@ 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);
@@ -459,6 +463,7 @@ size_t usrp2_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
@@ -466,7 +471,7 @@ 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(), _1, timeout),
+ _io_impl->get_recv_buffs_fcn,
boost::bind(&handle_overflow, boost::ref(_mboards), _1)
);
}