Add a test case with all the SFF-8472 Rx power calibration coefficients set, so that the whole fourth order polynomial is checked, including RX_PWR(4).
Signed-off-by: Roman Khromenok <[email protected]> --- app/test/test_ethdev_module_eeprom.c | 37 ++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/app/test/test_ethdev_module_eeprom.c b/app/test/test_ethdev_module_eeprom.c index d76bdc0060..b07a18aa06 100644 --- a/app/test/test_ethdev_module_eeprom.c +++ b/app/test/test_ethdev_module_eeprom.c @@ -269,6 +269,42 @@ test_module_eeprom_sfp_8472_ext_cal_unaligned(void) return TEST_SUCCESS; } +static void +put_be_float(uint8_t *data, unsigned int offset, uint32_t bits) +{ + data[offset] = bits >> 24; + data[offset + 1] = (bits >> 16) & 0xff; + data[offset + 2] = (bits >> 8) & 0xff; + data[offset + 3] = bits & 0xff; +} + +static int +test_module_eeprom_sfp_8472_rx_power_polynomial(void) +{ + uint8_t data[RTE_ETH_MODULE_SFF_8472_LEN]; + uint8_t *a2 = data + RTE_ETH_MODULE_SFF_8079_LEN; + + fill_sfp(data); + /* diagnostics implemented, externally calibrated, average RX power */ + data[92] = 0x58; + a2[76] = 1; /* TX bias slope */ + a2[80] = 1; /* TX power slope */ + a2[84] = 1; /* temperature slope */ + a2[88] = 1; /* voltage slope */ + put_u16(a2, 104, 10); /* raw RX power x = 10 */ + /* 0.125 x^4 + 0.25 x^3 + 0.5 x^2 + x = 1250 + 250 + 50 + 10 = 1560 */ + put_be_float(a2, 56, 0x3e000000); /* RX_PWR(4) = 0.125 */ + put_be_float(a2, 60, 0x3e800000); /* RX_PWR(3) = 0.25 */ + put_be_float(a2, 64, 0x3f000000); /* RX_PWR(2) = 0.5 */ + put_be_float(a2, 68, 0x3f800000); /* RX_PWR(1) = 1.0 */ + put_be_float(a2, 72, 0); /* RX_PWR(0) = 0 */ + + TEST_ASSERT_SUCCESS(parse(RTE_ETH_MODULE_SFF_8472, data, sizeof(data)), + "Failed to parse externally calibrated SFF-8472 data"); + CHECK_FIELD("Receiver signal average optical power", "0.1560 mW / -8.07 dBm"); + return TEST_SUCCESS; +} + static int test_module_eeprom_invalid(void) { @@ -318,6 +354,7 @@ static struct unit_test_suite module_eeprom_testsuite = { TEST_CASE(test_module_eeprom_sfp_8472), TEST_CASE(test_module_eeprom_sfp_8472_short), TEST_CASE(test_module_eeprom_sfp_8472_ext_cal_unaligned), + TEST_CASE(test_module_eeprom_sfp_8472_rx_power_polynomial), TEST_CASE(test_module_eeprom_qsfp_8636), TEST_CASE(test_module_eeprom_qsfp_8636_thresholds), TEST_CASE(test_module_eeprom_invalid), -- 2.47.3
