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//
// Copyright 2017-18 Ettus Research (National Instruments Corp.)
//
// SPDX-License-Identifier: GPL-3.0-or-later
//
#include "x300_mb_eeprom.hpp"
#include <uhd/types/serial.hpp>
#include <uhd/usrp/mboard_eeprom.hpp>
#include <uhdlib/utils/eeprom_utils.hpp>
namespace {
const uint8_t X300_EEPROM_ADDR = 0x50;
struct x300_eeprom_map
{
// identifying numbers
unsigned char revision[2];
unsigned char product[2];
unsigned char revision_compat[2];
uint8_t _pad0[2];
// all the mac addrs
uint8_t mac_addr0[6];
uint8_t _pad1[2];
uint8_t mac_addr1[6];
uint8_t _pad2[2];
// all the IP addrs
uint32_t gateway;
uint32_t subnet[4];
uint32_t ip_addr[4];
uint8_t _pad3[16];
// names and serials
unsigned char name[NAME_MAX_LEN];
unsigned char serial[SERIAL_LEN];
};
} // namespace
using namespace uhd;
using uhd::usrp::mboard_eeprom_t;
mboard_eeprom_t uhd::usrp::x300::get_mb_eeprom(uhd::i2c_iface::sptr iface)
{
byte_vector_t bytes =
iface->read_eeprom(X300_EEPROM_ADDR, 0, sizeof(struct x300_eeprom_map));
mboard_eeprom_t mb_eeprom;
if (bytes.empty()) {
return mb_eeprom;
}
// extract the revision number
mb_eeprom["revision"] = uint16_bytes_to_string(
byte_vector_t(bytes.begin() + offsetof(x300_eeprom_map, revision),
bytes.begin() + (offsetof(x300_eeprom_map, revision) + 2)));
// extract the revision compat number
mb_eeprom["revision_compat"] = uint16_bytes_to_string(
byte_vector_t(bytes.begin() + offsetof(x300_eeprom_map, revision_compat),
bytes.begin() + (offsetof(x300_eeprom_map, revision_compat) + 2)));
// extract the product code
mb_eeprom["product"] = uint16_bytes_to_string(
byte_vector_t(bytes.begin() + offsetof(x300_eeprom_map, product),
bytes.begin() + (offsetof(x300_eeprom_map, product) + 2)));
// extract the mac addresses
mb_eeprom["mac-addr0"] = mac_addr_t::from_bytes(
byte_vector_t(bytes.begin() + offsetof(x300_eeprom_map, mac_addr0),
bytes.begin() + (offsetof(x300_eeprom_map, mac_addr0) + 6)))
.to_string();
mb_eeprom["mac-addr1"] = mac_addr_t::from_bytes(
byte_vector_t(bytes.begin() + offsetof(x300_eeprom_map, mac_addr1),
bytes.begin() + (offsetof(x300_eeprom_map, mac_addr1) + 6)))
.to_string();
// extract the ip addresses
boost::asio::ip::address_v4::bytes_type ip_addr_bytes;
byte_copy(byte_vector_t(bytes.begin() + offsetof(x300_eeprom_map, gateway),
bytes.begin() + (offsetof(x300_eeprom_map, gateway) + 4)),
ip_addr_bytes);
mb_eeprom["gateway"] = boost::asio::ip::address_v4(ip_addr_bytes).to_string();
for (size_t i = 0; i < 4; i++) {
const std::string n(1, char(i) + '0');
byte_copy(
byte_vector_t(bytes.begin() + (offsetof(x300_eeprom_map, ip_addr) + (i * 4)),
bytes.begin() + (offsetof(x300_eeprom_map, ip_addr) + (i * 4) + 4)),
ip_addr_bytes);
mb_eeprom["ip-addr" + n] = boost::asio::ip::address_v4(ip_addr_bytes).to_string();
byte_copy(
byte_vector_t(bytes.begin() + (offsetof(x300_eeprom_map, subnet) + (i * 4)),
bytes.begin() + (offsetof(x300_eeprom_map, subnet) + (i * 4) + 4)),
ip_addr_bytes);
mb_eeprom["subnet" + n] = boost::asio::ip::address_v4(ip_addr_bytes).to_string();
}
// extract the serial
mb_eeprom["serial"] =
bytes_to_string(byte_vector_t(bytes.begin() + offsetof(x300_eeprom_map, serial),
bytes.begin() + (offsetof(x300_eeprom_map, serial) + SERIAL_LEN)));
// extract the name
mb_eeprom["name"] =
bytes_to_string(byte_vector_t(bytes.begin() + offsetof(x300_eeprom_map, name),
bytes.begin() + (offsetof(x300_eeprom_map, name) + NAME_MAX_LEN)));
return mb_eeprom;
}
void uhd::usrp::x300::set_mb_eeprom(
i2c_iface::sptr iface, const mboard_eeprom_t& mb_eeprom)
{
const mboard_eeprom_t curr_eeprom = uhd::usrp::x300::get_mb_eeprom(iface);
// Check for duplicate MAC and IP addresses
const std::vector<std::string> mac_keys{"mac-addr0", "mac-addr1"};
const std::vector<std::string> ip_keys{
"ip-addr0", "ip-addr1", "ip-addr2", "ip-addr3"};
// make sure there are no duplicate values
if (check_for_duplicates<uhd::mac_addr_t>(
"X300", mb_eeprom, curr_eeprom, "MAC address", mac_keys)
or check_for_duplicates<boost::asio::ip::address_v4>(
"X300", mb_eeprom, curr_eeprom, "IP address", ip_keys)) {
throw uhd::value_error(
"Duplicate values not permitted - write to EEPROM aborted");
}
// parse the revision number
if (mb_eeprom.has_key("revision"))
iface->write_eeprom(X300_EEPROM_ADDR,
offsetof(x300_eeprom_map, revision),
string_to_uint16_bytes(mb_eeprom["revision"]));
// parse the revision compat number
if (mb_eeprom.has_key("revision_compat"))
iface->write_eeprom(X300_EEPROM_ADDR,
offsetof(x300_eeprom_map, revision_compat),
string_to_uint16_bytes(mb_eeprom["revision_compat"]));
// parse the product code
if (mb_eeprom.has_key("product"))
iface->write_eeprom(X300_EEPROM_ADDR,
offsetof(x300_eeprom_map, product),
string_to_uint16_bytes(mb_eeprom["product"]));
// store the mac addresses
if (mb_eeprom.has_key("mac-addr0"))
iface->write_eeprom(X300_EEPROM_ADDR,
offsetof(x300_eeprom_map, mac_addr0),
mac_addr_t::from_string(mb_eeprom["mac-addr0"]).to_bytes());
if (mb_eeprom.has_key("mac-addr1"))
iface->write_eeprom(X300_EEPROM_ADDR,
offsetof(x300_eeprom_map, mac_addr1),
mac_addr_t::from_string(mb_eeprom["mac-addr1"]).to_bytes());
// store the ip addresses
byte_vector_t ip_addr_bytes(4);
if (mb_eeprom.has_key("gateway")) {
byte_copy(
boost::asio::ip::address_v4::from_string(mb_eeprom["gateway"]).to_bytes(),
ip_addr_bytes);
iface->write_eeprom(
X300_EEPROM_ADDR, offsetof(x300_eeprom_map, gateway), ip_addr_bytes);
}
for (size_t i = 0; i < 4; i++) {
const std::string n(1, char(i) + '0');
if (mb_eeprom.has_key("ip-addr" + n)) {
byte_copy(boost::asio::ip::address_v4::from_string(mb_eeprom["ip-addr" + n])
.to_bytes(),
ip_addr_bytes);
iface->write_eeprom(X300_EEPROM_ADDR,
offsetof(x300_eeprom_map, ip_addr) + (i * 4),
ip_addr_bytes);
}
if (mb_eeprom.has_key("subnet" + n)) {
byte_copy(boost::asio::ip::address_v4::from_string(mb_eeprom["subnet" + n])
.to_bytes(),
ip_addr_bytes);
iface->write_eeprom(X300_EEPROM_ADDR,
offsetof(x300_eeprom_map, subnet) + (i * 4),
ip_addr_bytes);
}
}
// store the serial
if (mb_eeprom.has_key("serial"))
iface->write_eeprom(X300_EEPROM_ADDR,
offsetof(x300_eeprom_map, serial),
string_to_bytes(mb_eeprom["serial"], SERIAL_LEN));
// store the name
if (mb_eeprom.has_key("name"))
iface->write_eeprom(X300_EEPROM_ADDR,
offsetof(x300_eeprom_map, name),
string_to_bytes(mb_eeprom["name"], NAME_MAX_LEN));
}
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