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-rw-r--r--host/lib/usrp/mpmd/mpmd_link_if_ctrl_udp.cpp16
-rw-r--r--host/lib/usrp/mpmd/mpmd_mb_iface.cpp55
-rw-r--r--host/lib/usrp/x300/x300_eth_mgr.cpp17
-rw-r--r--host/lib/usrp/x300/x300_mb_iface.cpp70
-rw-r--r--host/lib/usrp/x300/x300_pcie_mgr.cpp12
5 files changed, 121 insertions, 49 deletions
diff --git a/host/lib/usrp/mpmd/mpmd_link_if_ctrl_udp.cpp b/host/lib/usrp/mpmd/mpmd_link_if_ctrl_udp.cpp
index d5be57cd9..6fc36bf72 100644
--- a/host/lib/usrp/mpmd/mpmd_link_if_ctrl_udp.cpp
+++ b/host/lib/usrp/mpmd/mpmd_link_if_ctrl_udp.cpp
@@ -12,6 +12,7 @@
#include <uhd/transport/udp_constants.hpp>
#include <uhd/transport/udp_simple.hpp>
#include <uhd/transport/udp_zero_copy.hpp>
+#include <uhd/utils/cast.hpp>
#include <uhdlib/rfnoc/rfnoc_common.hpp>
#include <uhdlib/transport/udp_boost_asio_link.hpp>
#include <uhdlib/transport/udp_common.hpp>
@@ -283,6 +284,9 @@ uhd::transport::both_links_t mpmd_link_if_ctrl_udp::get_link(const size_t link_i
const std::string udp_port = _udp_info.at(ip_addr).udp_port;
const size_t link_rate = get_link_rate(link_idx);
+ const bool enable_fc = not link_args.has_key("enable_fc")
+ || uhd::cast::from_str<bool>(link_args.get("enable_fc"));
+ const bool lossy_xport = enable_fc;
const bool use_dpdk = _mb_args.has_key("use_dpdk"); // FIXME use constrained device args
link_params_t default_link_params;
default_link_params.num_send_frames = MPMD_ETH_NUM_FRAMES;
@@ -327,8 +331,9 @@ uhd::transport::both_links_t mpmd_link_if_ctrl_udp::get_link(const size_t link_i
link_params.send_buff_size,
link,
link_params.recv_buff_size,
+ lossy_xport,
true,
- true);
+ enable_fc);
#else
UHD_LOG_WARNING("MPMD", "Cannot create DPDK transport, falling back to UDP");
#endif
@@ -338,8 +343,13 @@ uhd::transport::both_links_t mpmd_link_if_ctrl_udp::get_link(const size_t link_i
link_params,
link_params.recv_buff_size,
link_params.send_buff_size);
- return std::make_tuple(
- link, link_params.send_buff_size, link, link_params.recv_buff_size, true, false);
+ return std::make_tuple(link,
+ link_params.send_buff_size,
+ link,
+ link_params.recv_buff_size,
+ lossy_xport,
+ false,
+ enable_fc);
}
size_t mpmd_link_if_ctrl_udp::get_num_links() const
diff --git a/host/lib/usrp/mpmd/mpmd_mb_iface.cpp b/host/lib/usrp/mpmd/mpmd_mb_iface.cpp
index a24be5c57..70e982fc7 100644
--- a/host/lib/usrp/mpmd/mpmd_mb_iface.cpp
+++ b/host/lib/usrp/mpmd/mpmd_mb_iface.cpp
@@ -165,9 +165,15 @@ uhd::rfnoc::chdr_ctrl_xport::sptr mpmd_mboard_impl::mpmd_mb_iface::make_ctrl_tra
const size_t link_idx = _local_device_id_map.at(local_device_id);
uhd::transport::send_link_if::sptr send_link;
uhd::transport::recv_link_if::sptr recv_link;
- std::tie(send_link, std::ignore, recv_link, std::ignore, std::ignore, std::ignore) =
- _link_if_mgr->get_link(
- link_idx, uhd::transport::link_type_t::CTRL, uhd::device_addr_t());
+ std::tie(send_link,
+ std::ignore,
+ recv_link,
+ std::ignore,
+ std::ignore,
+ std::ignore,
+ std::ignore) = _link_if_mgr->get_link(link_idx,
+ uhd::transport::link_type_t::CTRL,
+ uhd::device_addr_t());
/* Associate local device ID with the adapter */
_adapter_map[local_device_id] = send_link->get_send_adapter_id();
@@ -211,11 +217,17 @@ mpmd_mboard_impl::mpmd_mb_iface::make_rx_data_transport(
uhd::transport::send_link_if::sptr send_link;
uhd::transport::recv_link_if::sptr recv_link;
- bool lossy_xport, packet_fc;
+ bool lossy_xport, packet_fc, enable_fc;
size_t recv_buff_size;
- std::tie(send_link, std::ignore, recv_link, recv_buff_size, lossy_xport, packet_fc) =
- _link_if_mgr->get_link(
- link_idx, uhd::transport::link_type_t::RX_DATA, xport_args);
+ std::tie(send_link,
+ std::ignore,
+ recv_link,
+ recv_buff_size,
+ lossy_xport,
+ packet_fc,
+ enable_fc) = _link_if_mgr->get_link(link_idx,
+ uhd::transport::link_type_t::RX_DATA,
+ xport_args);
/* Associate local device ID with the adapter */
_adapter_map[local_sep_addr.first] = send_link->get_send_adapter_id();
@@ -226,14 +238,19 @@ mpmd_mboard_impl::mpmd_mb_iface::make_rx_data_transport(
const double ratio = 1.0 / 32;
- // Configure flow control frequency to use either bytes only or packets only
uhd::rfnoc::stream_buff_params_t fc_freq;
- if (packet_fc) {
- fc_freq = {uhd::rfnoc::MAX_FC_FREQ_BYTES,
- static_cast<uint32_t>(std::ceil(recv_link->get_num_recv_frames() * ratio))};
+ if (enable_fc) {
+ // Configure flow control frequency to use either bytes only or packets only
+ if (packet_fc) {
+ fc_freq = {uhd::rfnoc::MAX_FC_FREQ_BYTES,
+ static_cast<uint32_t>(
+ std::ceil(recv_link->get_num_recv_frames() * ratio))};
+ } else {
+ fc_freq = {static_cast<uint64_t>(std::ceil(double(recv_buff_size) * ratio)),
+ uhd::rfnoc::MAX_FC_FREQ_PKTS};
+ }
} else {
- fc_freq = {static_cast<uint64_t>(std::ceil(double(recv_buff_size) * ratio)),
- uhd::rfnoc::MAX_FC_FREQ_PKTS};
+ fc_freq = {0, 0};
}
stream_buff_params_t fc_headroom = {0, 0};
@@ -306,9 +323,15 @@ mpmd_mboard_impl::mpmd_mb_iface::make_tx_data_transport(
uhd::transport::send_link_if::sptr send_link;
uhd::transport::recv_link_if::sptr recv_link;
bool lossy_xport;
- std::tie(send_link, std::ignore, recv_link, std::ignore, lossy_xport, std::ignore) =
- _link_if_mgr->get_link(
- link_idx, uhd::transport::link_type_t::TX_DATA, xport_args);
+ std::tie(send_link,
+ std::ignore,
+ recv_link,
+ std::ignore,
+ lossy_xport,
+ std::ignore,
+ std::ignore) = _link_if_mgr->get_link(link_idx,
+ uhd::transport::link_type_t::TX_DATA,
+ xport_args);
/* Associate local device ID with the adapter */
_adapter_map[local_sep_addr.first] = send_link->get_send_adapter_id();
diff --git a/host/lib/usrp/x300/x300_eth_mgr.cpp b/host/lib/usrp/x300/x300_eth_mgr.cpp
index f428fc98e..dcc8195ae 100644
--- a/host/lib/usrp/x300/x300_eth_mgr.cpp
+++ b/host/lib/usrp/x300/x300_eth_mgr.cpp
@@ -20,6 +20,7 @@
#include <uhd/transport/udp_zero_copy.hpp>
#include <uhd/utils/algorithm.hpp>
#include <uhd/utils/byteswap.hpp>
+#include <uhd/utils/cast.hpp>
#include <uhdlib/rfnoc/device_id.hpp>
#include <uhdlib/rfnoc/rfnoc_common.hpp>
#include <uhdlib/transport/udp_boost_asio_link.hpp>
@@ -227,6 +228,10 @@ both_links_t eth_manager::get_links(link_type_t link_type,
x300_eth_conn_t conn = eth_conns[local_device_id];
zero_copy_xport_params default_buff_args;
+ const bool enable_fc = not link_args.has_key("enable_fc")
+ || uhd::cast::from_str<bool>(link_args.get("enable_fc"));
+ const bool lossy_xport = enable_fc;
+
const size_t send_mtu = get_mtu(uhd::TX_DIRECTION);
const size_t recv_mtu = get_mtu(uhd::RX_DIRECTION);
@@ -278,8 +283,9 @@ both_links_t eth_manager::get_links(link_type_t link_type,
link_params.send_buff_size,
link,
link_params.recv_buff_size,
+ lossy_xport,
true,
- true);
+ enable_fc);
#else
UHD_LOG_WARNING("X300", "Cannot create DPDK transport, falling back to UDP");
#endif
@@ -289,8 +295,13 @@ both_links_t eth_manager::get_links(link_type_t link_type,
link_params,
link_params.recv_buff_size,
link_params.send_buff_size);
- return std::make_tuple(
- link, link_params.send_buff_size, link, link_params.recv_buff_size, true, false);
+ return std::make_tuple(link,
+ link_params.send_buff_size,
+ link,
+ link_params.recv_buff_size,
+ lossy_xport,
+ false,
+ enable_fc);
}
/******************************************************************************
diff --git a/host/lib/usrp/x300/x300_mb_iface.cpp b/host/lib/usrp/x300/x300_mb_iface.cpp
index c89374f82..a351864df 100644
--- a/host/lib/usrp/x300/x300_mb_iface.cpp
+++ b/host/lib/usrp/x300/x300_mb_iface.cpp
@@ -98,12 +98,17 @@ uhd::rfnoc::chdr_ctrl_xport::sptr x300_impl::x300_mb_iface::make_ctrl_transport(
send_link_if::sptr send_link;
recv_link_if::sptr recv_link;
bool lossy_xport;
- std::tie(send_link, std::ignore, recv_link, std::ignore, lossy_xport, std::ignore) =
- _conn_mgr->get_links(link_type_t::CTRL,
- local_device_id,
- local_epid,
- uhd::rfnoc::sep_id_t(),
- uhd::device_addr_t());
+ std::tie(send_link,
+ std::ignore,
+ recv_link,
+ std::ignore,
+ lossy_xport,
+ std::ignore,
+ std::ignore) = _conn_mgr->get_links(link_type_t::CTRL,
+ local_device_id,
+ local_epid,
+ uhd::rfnoc::sep_id_t(),
+ uhd::device_addr_t());
/* Associate local device ID with the adapter */
_adapter_map[local_device_id] = send_link->get_send_adapter_id();
@@ -142,13 +147,18 @@ uhd::rfnoc::chdr_rx_data_xport::uptr x300_impl::x300_mb_iface::make_rx_data_tran
send_link_if::sptr send_link;
recv_link_if::sptr recv_link;
size_t recv_buff_size;
- bool lossy_xport, packet_fc;
- std::tie(send_link, std::ignore, recv_link, recv_buff_size, lossy_xport, packet_fc) =
- _conn_mgr->get_links(link_type_t::RX_DATA,
- local_sep_addr.first,
- local_epid,
- remote_epid,
- xport_args);
+ bool lossy_xport, packet_fc, enable_fc;
+ std::tie(send_link,
+ std::ignore,
+ recv_link,
+ recv_buff_size,
+ lossy_xport,
+ packet_fc,
+ enable_fc) = _conn_mgr->get_links(link_type_t::RX_DATA,
+ local_sep_addr.first,
+ local_epid,
+ remote_epid,
+ xport_args);
/* Associate local device ID with the adapter */
_adapter_map[local_sep_addr.first] = send_link->get_send_adapter_id();
@@ -159,14 +169,19 @@ uhd::rfnoc::chdr_rx_data_xport::uptr x300_impl::x300_mb_iface::make_rx_data_tran
const double ratio = 1.0 / 32;
- // Configure flow control frequency to use either bytes only or packets only
uhd::rfnoc::stream_buff_params_t fc_freq;
- if (packet_fc) {
- fc_freq = {uhd::rfnoc::MAX_FC_FREQ_BYTES,
- static_cast<uint32_t>(std::ceil(recv_link->get_num_recv_frames() * ratio))};
+ if (enable_fc) {
+ // Configure flow control frequency to use either bytes only or packets only
+ if (packet_fc) {
+ fc_freq = {uhd::rfnoc::MAX_FC_FREQ_BYTES,
+ static_cast<uint32_t>(
+ std::ceil(recv_link->get_num_recv_frames() * ratio))};
+ } else {
+ fc_freq = {static_cast<uint64_t>(std::ceil(double(recv_buff_size) * ratio)),
+ uhd::rfnoc::MAX_FC_FREQ_PKTS};
+ }
} else {
- fc_freq = {static_cast<uint64_t>(std::ceil(double(recv_buff_size) * ratio)),
- uhd::rfnoc::MAX_FC_FREQ_PKTS};
+ fc_freq = {0, 0};
}
uhd::rfnoc::stream_buff_params_t fc_headroom = {0, 0};
@@ -235,12 +250,17 @@ uhd::rfnoc::chdr_tx_data_xport::uptr x300_impl::x300_mb_iface::make_tx_data_tran
send_link_if::sptr send_link;
recv_link_if::sptr recv_link;
bool lossy_xport;
- std::tie(send_link, std::ignore, recv_link, std::ignore, lossy_xport, std::ignore) =
- _conn_mgr->get_links(link_type_t::TX_DATA,
- local_sep_addr.first,
- local_epid,
- remote_epid,
- xport_args);
+ std::tie(send_link,
+ std::ignore,
+ recv_link,
+ std::ignore,
+ lossy_xport,
+ std::ignore,
+ std::ignore) = _conn_mgr->get_links(link_type_t::TX_DATA,
+ local_sep_addr.first,
+ local_epid,
+ remote_epid,
+ xport_args);
/* Associate local device ID with the adapter */
_adapter_map[local_sep_addr.first] = send_link->get_send_adapter_id();
diff --git a/host/lib/usrp/x300/x300_pcie_mgr.cpp b/host/lib/usrp/x300/x300_pcie_mgr.cpp
index 0ca918e3c..64ce5df55 100644
--- a/host/lib/usrp/x300/x300_pcie_mgr.cpp
+++ b/host/lib/usrp/x300/x300_pcie_mgr.cpp
@@ -347,6 +347,9 @@ both_links_t pcie_manager::get_links(link_type_t link_type,
+ ", no such device associated with this motherboard!");
}
+ const bool enable_fc = not link_args.has_key("enable_fc")
+ || uhd::cast::from_str<bool>(link_args.get("enable_fc"));
+
const uint32_t dma_channel_num = allocate_pcie_dma_chan(remote_epid, link_type);
// Note: The nirio_link object's factory has a lot of code for sanity
// checking the link params, and merging the link_args with the default
@@ -358,6 +361,11 @@ both_links_t pcie_manager::get_links(link_type_t link_type,
auto link =
nirio_link::make(_rio_fpga_interface, dma_channel_num, link_params, link_args, recv_buff_size, send_buff_size);
- return std::make_tuple(
- link, send_buff_size, link, recv_buff_size, false /*not lossy*/, false);
+ return std::make_tuple(link,
+ send_buff_size,
+ link,
+ recv_buff_size,
+ false /*not lossy*/,
+ false,
+ enable_fc);
}
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-31 06:06:52 +0000