diff options
| -rw-r--r-- | host/lib/usrp/x300/x300_impl.cpp | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/host/lib/usrp/x300/x300_impl.cpp b/host/lib/usrp/x300/x300_impl.cpp index ce81d5f1f..c545c6461 100644 --- a/host/lib/usrp/x300/x300_impl.cpp +++ b/host/lib/usrp/x300/x300_impl.cpp @@ -458,10 +458,12 @@ void x300_impl::setup_mb(const size_t mb_i, const uhd::device_addr_t &dev_addr) } if ((mb.recv_args.has_key("recv_frame_size")) - && (req_max_frame_size.recv_frame_size < _max_frame_sizes.recv_frame_size)) { + && (req_max_frame_size.recv_frame_size > _max_frame_sizes.recv_frame_size)) { UHD_MSG(warning) << boost::format("You requested a receive frame size of (%lu) but your NIC's max frame size is (%lu).") - % req_max_frame_size.recv_frame_size << _max_frame_sizes.recv_frame_size << std::endl + % req_max_frame_size.recv_frame_size + % _max_frame_sizes.recv_frame_size + << std::endl << boost::format("Please verify your NIC's MTU setting using '%s' or set the recv_frame_size argument appropriately.") % mtu_tool << std::endl << "UHD will use the auto-detected max frame size for this connection." @@ -469,10 +471,12 @@ void x300_impl::setup_mb(const size_t mb_i, const uhd::device_addr_t &dev_addr) } if ((mb.recv_args.has_key("send_frame_size")) - && (req_max_frame_size.send_frame_size < _max_frame_sizes.send_frame_size)) { + && (req_max_frame_size.send_frame_size > _max_frame_sizes.send_frame_size)) { UHD_MSG(warning) << boost::format("You requested a send frame size of (%lu) but your NIC's max frame size is (%lu).") - % req_max_frame_size.send_frame_size << _max_frame_sizes.send_frame_size << std::endl + % req_max_frame_size.send_frame_size + % _max_frame_sizes.send_frame_size + << std::endl << boost::format("Please verify your NIC's MTU setting using '%s' or set the send_frame_size argument appropriately.") % mtu_tool << std::endl << "UHD will use the auto-detected max frame size for this connection." @@ -1588,10 +1592,11 @@ x300_impl::frame_size_t x300_impl::determine_max_frame_size(const std::string &a if (!(uhd::ntohx<boost::uint32_t>(request->flags) & X300_MTU_DETECT_ECHO_REPLY)) throw uhd::not_implemented_error("Holler protocol not implemented"); + //Reducing range of (min,max) by setting max value to 10gig max_frame_size as larger sizes are not supported size_t min_recv_frame_size = sizeof(x300_mtu_t); - size_t max_recv_frame_size = user_frame_size.recv_frame_size; + size_t max_recv_frame_size = std::min(user_frame_size.recv_frame_size, X300_10GE_DATA_FRAME_MAX_SIZE) & size_t(~3); size_t min_send_frame_size = sizeof(x300_mtu_t); - size_t max_send_frame_size = user_frame_size.send_frame_size; + size_t max_send_frame_size = std::min(user_frame_size.send_frame_size, X300_10GE_DATA_FRAME_MAX_SIZE) & size_t(~3); UHD_MSG(status) << "Determining maximum frame size... "; while (min_recv_frame_size < max_recv_frame_size) |