lib: Remove unused constants

The constants were either commented out, when their value is still
useful to the reader, or removed if not.

5 files changed, 6 insertions, 9 deletions

diff --git a/host/lib/rfnoc/dmafifo_block_control.cpp b/host/lib/rfnoc/dmafifo_block_control.cpp
index c34746a28..efc8d27cb 100644
--- a/host/lib/rfnoc/dmafifo_block_control.cpp
+++ b/host/lib/rfnoc/dmafifo_block_control.cpp
@@ -15,8 +15,6 @@ using namespace uhd::rfnoc;
 
 namespace {
 
-//! Default FIFO depth per channel: 32 MiB
-constexpr uint32_t DEFAULT_SIZE   = 32 * 1024 * 1024;
 constexpr uint64_t BYTES_PER_BIST = 8000000;
 constexpr double BIST_TIMEOUT     = 0.5; // s
 //! Address space between FIFO controls
diff --git a/host/lib/rfnoc/mgmt_portal.cpp b/host/lib/rfnoc/mgmt_portal.cpp
index ea78aee48..42b8039c0 100644
--- a/host/lib/rfnoc/mgmt_portal.cpp
+++ b/host/lib/rfnoc/mgmt_portal.cpp
@@ -23,6 +23,7 @@ using namespace transport;
 
 constexpr bool ALLOW_DAISY_CHAINING = true;
 
+// Unused values are left in as comments for reference.
 constexpr uint16_t REG_EPID_SELF               = 0x00; // RW
 constexpr uint16_t REG_RESET_AND_FLUSH         = 0x04; // W
 constexpr uint16_t REG_OSTRM_CTRL_STATUS       = 0x08; // RW
@@ -34,14 +35,14 @@ constexpr uint16_t REG_OSTRM_FC_HEADROOM       = 0x1C; // W
 constexpr uint16_t REG_OSTRM_BUFF_CAP_BYTES_LO = 0x20; // R
 constexpr uint16_t REG_OSTRM_BUFF_CAP_BYTES_HI = 0x24; // R
 constexpr uint16_t REG_OSTRM_BUFF_CAP_PKTS     = 0x28; // R
-constexpr uint16_t REG_OSTRM_SEQ_ERR_CNT       = 0x2C; // R
-constexpr uint16_t REG_OSTRM_DATA_ERR_CNT      = 0x30; // R
-constexpr uint16_t REG_OSTRM_ROUTE_ERR_CNT     = 0x34; // R
+// constexpr uint16_t REG_OSTRM_SEQ_ERR_CNT       = 0x2C; // R
+// constexpr uint16_t REG_OSTRM_DATA_ERR_CNT      = 0x30; // R
+// constexpr uint16_t REG_OSTRM_ROUTE_ERR_CNT     = 0x34; // R
 constexpr uint16_t REG_ISTRM_CTRL_STATUS       = 0x38; // RW
 
 constexpr uint32_t RESET_AND_FLUSH_OSTRM = (1 << 0);
 constexpr uint32_t RESET_AND_FLUSH_ISTRM = (1 << 1);
-constexpr uint32_t RESET_AND_FLUSH_CTRL  = (1 << 2);
+// constexpr uint32_t RESET_AND_FLUSH_CTRL  = (1 << 2);
 constexpr uint32_t RESET_AND_FLUSH_ALL   = 0x7;
 
 #ifdef UHD_BIG_ENDIAN
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 dcb5d3473..d5be57cd9 100644
--- a/host/lib/usrp/mpmd/mpmd_link_if_ctrl_udp.cpp
+++ b/host/lib/usrp/mpmd/mpmd_link_if_ctrl_udp.cpp
@@ -31,7 +31,6 @@ namespace {
 //! Maximum CHDR packet size in bytes
 const size_t MPMD_10GE_DATA_FRAME_MAX_SIZE    = 7972;
 const size_t MPMD_1GE_DATA_FRAME_MAX_SIZE     = 1472;
-const size_t MPMD_1GE_ASYNCMSG_FRAME_MAX_SIZE = 1472;
 
 //! Number of send/recv frames
 const size_t MPMD_ETH_NUM_FRAMES = 32;
diff --git a/host/lib/usrp/x300/x300_eth_mgr.cpp b/host/lib/usrp/x300/x300_eth_mgr.cpp
index d7b8b15c4..f428fc98e 100644
--- a/host/lib/usrp/x300/x300_eth_mgr.cpp
+++ b/host/lib/usrp/x300/x300_eth_mgr.cpp
@@ -44,7 +44,6 @@ namespace asio = boost::asio;
 
 namespace {
 
-constexpr unsigned int X300_UDP_RESERVED_FRAME_SIZE = 64;
 constexpr size_t XGE_DATA_FRAME_SEND_SIZE           = x300::DATA_FRAME_MAX_SIZE;
 constexpr size_t XGE_DATA_FRAME_RECV_SIZE           = x300::DATA_FRAME_MAX_SIZE;
 constexpr size_t GE_DATA_FRAME_SEND_SIZE            = 1472;
diff --git a/host/lib/usrp/x300/x300_radio_control.cpp b/host/lib/usrp/x300/x300_radio_control.cpp
index cdac71d52..893a99942 100644
--- a/host/lib/usrp/x300/x300_radio_control.cpp
+++ b/host/lib/usrp/x300/x300_radio_control.cpp
@@ -96,7 +96,7 @@ static constexpr uint32_t SR_DB_GPIO   = PERIPH_BASE + 192 * PERIPH_REG_OFFSET;
 
 static constexpr uint32_t RB_MISC_IO = PERIPH_BASE + 16 * PERIPH_REG_OFFSET;
 static constexpr uint32_t RB_SPI     = PERIPH_BASE + 17 * PERIPH_REG_OFFSET;
-static constexpr uint32_t RB_LEDS    = PERIPH_BASE + 18 * PERIPH_REG_OFFSET;
+// static constexpr uint32_t RB_LEDS    = PERIPH_BASE + 18 * PERIPH_REG_OFFSET;
 static constexpr uint32_t RB_DB_GPIO = PERIPH_BASE + 19 * PERIPH_REG_OFFSET;
 static constexpr uint32_t RB_FP_GPIO = PERIPH_BASE + 20 * PERIPH_REG_OFFSET;