diff options
Diffstat (limited to 'mpm/python')
| -rwxr-xr-x | mpm/python/n3xx_bist | 46 |
1 files changed, 45 insertions, 1 deletions
diff --git a/mpm/python/n3xx_bist b/mpm/python/n3xx_bist index cc7dd40c6..604222517 100755 --- a/mpm/python/n3xx_bist +++ b/mpm/python/n3xx_bist @@ -76,6 +76,14 @@ class N3XXBIST(bist.UsrpBIST): 'errors': -1, 'bits': -1, }, + 'qsfp_loopback': { + 'elapsed_time': -1, + 'max_roundtrip_latency': -1, + 'throughput': -1, + 'max_ber': -1, + 'errors': -1, + 'bits': -1, + }, 'gpio': { 'write_patterns': [], 'read_patterns': [], @@ -103,7 +111,7 @@ class N3XXBIST(bist.UsrpBIST): def get_product_id(self): """Return the mboard product ID (n310 or n300):""" - return bist.get_product_id_from_eeprom(valid_ids=['n300', 'n310']) + return bist.get_product_id_from_eeprom(valid_ids=['n300', 'n310', 'n320']) ############################################################################# # BISTS @@ -359,6 +367,42 @@ class N3XXBIST(bist.UsrpBIST): self.reload_fpga_image = True return bist.aurora_results_to_status(sfp_bist_results) + def bist_qsfp_loopback(self): + """ + BIST for QSFP+ ports: + Description: Tests individual quads of the QSFP+ connector. You need to + provide `--option qsfp_port=X` to select the QSFP+ connector. + + External Equipment: Loopback module in QSFPX required + + Return dictionary: + - elapsed_time: Float value, test time in seconds + - max_roundtrip_latency: Float value, max roundtrip latency in seconds + - throughput: Approximate data throughput in bytes/s + - max_ber: Estimated maximum BER, float value. + - errors: Number of errors + - bits: Number of bits that were transferred + """ + if self.args.dry_run: + return True, bist.get_sfp_bist_defaults() + from usrp_mpm.sys_utils import i2c_dev + from usrp_mpm.periph_manager import n3xx + qsfp_i2c = i2c_dev.of_get_i2c_adapter(n3xx.N32X_QSFP_I2C_LABEL) + if qsfp_i2c is None: + raise RuntimeError("Could not find QSFP board!") + qsfp_port = int(self.args.option.get('qsfp_port', '0')) + assert qsfp_port in range(4) + aurora_regs_label = 'misc-auro-regs{}'.format(qsfp_port) + sfp_bist_results = bist.run_aurora_bist( + device_args=self.device_args, + # Note: We're overwriting the product ID here, because the detection + # is currently limited to reading the Mboard EEPROM. However, only + # the N320 has the QSFP board. + product_id='n320', + aurora_image_type='AQ', + master=aurora_regs_label) + return bist.aurora_results_to_status(sfp_bist_results) + def bist_sfp_loopback(self): """ BIST for SFP+ ports: |