SB7790 switch support

[kramanella]

ibswinfo supports Mellanox SB7790 unmanaged switches running firmware 11.1100.0072 or greater with 1 exception. The '-T' flag is unsupported. All other info and vitals are captured.
Thanks!
Mark

Sample output:
`...

temperature (C) | 50
max temp (C) | 56
QSFP#01 (C) | 0
QSFP#02 (C) | 0
QSFP#03 (C) | 0
QSFP#04 (C) | 0
QSFP#05 (C) | 0
QSFP#06 (C) | 0
QSFP#07 (C) | 0
QSFP#08 (C) | 0
QSFP#09 (C) | 0
QSFP#10 (C) | 0
QSFP#11 (C) | 0
QSFP#12 (C) | 0
QSFP#13 (C) | 0
QSFP#14 (C) | 0
QSFP#15 (C) | 0
QSFP#16 (C) | 0
QSFP#17 (C) | 0
QSFP#18 (C) | 0
QSFP#19 (C) | 0
QSFP#20 (C) | 0
QSFP#21 (C) | 0
QSFP#22 (C) | 0
QSFP#23 (C) | 0
QSFP#24 (C) | 0
QSFP#25 (C) | 0
QSFP#26 (C) | 0
QSFP#27 (C) | 0
QSFP#28 (C) | 0
QSFP#29 (C) | 0
QSFP#30 (C) | 0
QSFP#31 (C) | 0
QSFP#32 (C) | 0
QSFP#33 (C) | 0
QSFP#34 (C) | 0
QSFP#35 (C) | 0
QSFP#36 (C) | 0

...`

[kcgthb]

Hi @kramanella

Ah, interesting!

Would you mind sending me the output of:

# ibswinfo.sh -d <device_id> -o inventory | egrep '^part_number|version'

as well as:

# mlxreg -d <device_id> --reg_name MTMP --get  --indexes "sensor_index=0x1"

And of course, you're positive that there are cables plugged in those ports, right?

[kramanella]

Yep, the switch is fully populated :) Here's the info: part_number : MSB7790-ES2F fw_version : 11.2007.0300 And the full output as well with the -T flag: # ./ibswinfo.sh -d /dev/mst/SW_MT52000_SwitchIB_Mellanox_Technologies_lid-0x000C -T ================================================= SwitchIB Mellanox Technologies ================================================= part number | MSB7790-ES2F serial number | MT...... product name | Scorpion IB EDR Unmanaged revision | AD ports | 36 PSID | 1_TM108830012 GUID | 0x..... firmware version | 11.2007.0300 ------------------------------------------------- uptime (d-h:m:s) | 8d-07:16:52 ------------------------------------------------- PSU0 status | OK P/N | MTEF-PSF-AC-A S/N | MT..... DC power | OK fan status | OK power (W) | 70 PSU1 status | OK P/N | MTEF-PSF-AC-A S/N | MT..... DC power | OK fan status | OK power (W) | 58 ------------------------------------------------- temperature (C) | 50 max temp (C) | 56 QSFP#01 (C) | 0 QSFP#02 (C) | 0 QSFP#03 (C) | 0 QSFP#04 (C) | 0 QSFP#05 (C) | 0 QSFP#06 (C) | 0 QSFP#07 (C) | 0 QSFP#08 (C) | 0 QSFP#09 (C) | 0 QSFP#10 (C) | 0 QSFP#11 (C) | 0 QSFP#12 (C) | 0 QSFP#13 (C) | 0 QSFP#14 (C) | 0 QSFP#15 (C) | 0 QSFP#16 (C) | 0 QSFP#17 (C) | 0 QSFP#18 (C) | 0 QSFP#19 (C) | 0 QSFP#20 (C) | 0 QSFP#21 (C) | 0 QSFP#22 (C) | 0 QSFP#23 (C) | 0 QSFP#24 (C) | 0 QSFP#25 (C) | 0 QSFP#26 (C) | 0 QSFP#27 (C) | 0 QSFP#28 (C) | 0 QSFP#29 (C) | 0 QSFP#30 (C) | 0 QSFP#31 (C) | 0 QSFP#32 (C) | 0 QSFP#33 (C) | 0 QSFP#34 (C) | 0 QSFP#35 (C) | 0 QSFP#36 (C) | 0 ------------------------------------------------- fan status | OK fan#1 (rpm) | 6399 fan#2 (rpm) | 5430 fan#3 (rpm) | 6399 fan#4 (rpm) | 5345 fan#5 (rpm) | 6281 fan#6 (rpm) | 5430 fan#7 (rpm) | 6399 fan#8 (rpm) | 5345 ------------------------------------------------- # mlxreg -d /dev/mst/SW_MT52000_SwitchIB_Mellanox_Technologies_lid-0x000C --reg_name MTMP --get --indexes "sensor_index=0x1" Sending access register... Field Name | Data ========================================= sensor_index | 0x00000001 temperature | 0x000000e0 max_temperature | 0x000000f8 mtr | 0x00000000 mte | 0x00000000 temperature_threshold_hi | 0x000004b0 tee | 0x00000000 temperature_threshold_lo | 0x000004b0 sensor_name_hi | 0x00000000 sensor_name_lo | 0x00000000 =========================================

…

On Thu, Jun 4, 2020 at 6:16 PM Kilian Cavalotti ***@***.***> wrote: Hi @kramanella <https://github.com/kramanella> Ah, interesting! Would you mind sending me the output of: # ibswinfo.sh -d <device_id> -o inventory | egrep '^part_number|version' as well as: # mlxreg -d <device_id> --reg_name MTMP --get --indexes "sensor_index=0x1" And of course, you're positive that there are cables plugged in those ports, right? — You are receiving this because you were mentioned. Reply to this email directly, view it on GitHub <#6 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AIL3QF7G6D5V3TSTGDAHJFLRVBBPDANCNFSM4NSCKQJQ> .

[kcgthb]

Thanks for the output!

It looks like the registers are correctly showing the temperature, so I'm not 100% sure why the script shows 0.

Could you please try the version from the SB7790branch at https://github.com/stanford-rc/ibswinfo/blob/SB7790/ibswinfo.sh and see if that fixes the issue?

[kramanella]

Unfortunately the QSFP ports all report 0 still.

…

On Fri, Jun 5, 2020 at 5:22 PM Kilian Cavalotti ***@***.***> wrote: Thanks for the output! It looks like the registers are correctly showing the temperature, so I'm not 100% sure why the script shows 0. Could you please try the version from the SB7790branch at https://github.com/stanford-rc/ibswinfo/blob/SB7790/ibswinfo.sh and see if that fixes the issue? — You are receiving this because you were mentioned. Reply to this email directly, view it on GitHub <#6 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AIL3QF5ACGAY4H2N76QPZR3RVGD3BANCNFSM4NSCKQJQ> .

[kcgthb]

Ah sorry, I didn't ask for the right index before.
Could you please run these 2 commands instead?

# mlxreg -d <device_id> --reg_name MTMP --get --indexes "sensor_index=0x39"

# mlxreg -d <device_id> --reg_name MTMP --get --indexes "sensor_index=0x40

[kramanella]

Here you go, [root@dtn01 ~]# mlxreg -d /dev/mst/SW_MT52000_SwitchIB_Mellanox_Technologies_lid-0x000C --reg_name MTMP --get --indexes "sensor_index=0x39" Sending access register...

…

-E- Failed to send access register: Bad parameter [root@dtn01 ~]# mlxreg -d /dev/mst/SW_MT52000_SwitchIB_Mellanox_Technologies_lid-0x000C --reg_name MTMP --get --indexes "sensor_index=0x40" Sending access register... Field Name | Data ========================================= sensor_index | 0x00000040 temperature | 0x00000000 max_temperature | 0x00000000 mtr | 0x00000000 mte | 0x00000000 temperature_threshold_hi | 0x00000000 tee | 0x00000000 temperature_threshold_lo | 0x00000000 sensor_name_hi | 0x00000000 sensor_name_lo | 0x00000000 =========================================

On Wed, Jun 10, 2020 at 10:20 AM Kilian Cavalotti ***@***.***> wrote: Ah sorry, I didn't ask for the right index before. Could you please run these 2 commands instead? # mlxreg -d <device_id> --reg_name MTMP --get --indexes "sensor_index=0x39" # mlxreg -d <device_id> --reg_name MTMP --get --indexes "sensor_index=0x40 — You are receiving this because you were mentioned. Reply to this email directly, view it on GitHub <#6 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AIL3QF2JTLPK2YIH4CWRF2DRV66EBANCNFSM4NSCKQJQ> .

[kcgthb]

Thank you!

So that's the problem: temperature is 0x00000000 for sensor 0x40 (which is the first port of the switch). The fact that 0x39 doesn't exist confirms that the indexes are not shifted or anything.

Not much can be done about that unfortunately, that would be a firmware limitation on that model. :|

I added a note in the README to mention that limitation, thanks a lot for reporting it!