Reading Explicit Congestion Notification (ECN) for ROCE on Sysfs #689
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dasturiasArista
commented
Dec 27, 2024
dasturiasArista
commented
Linux provides AER counters in the path /sys/class/net/<iface>/device/ This is split amoung 3 different files: aer_dev_correctable aer_dev_fatal aer_dev_nonfatal Signed-off-by: Diego Asturias <[email protected]>
Linux provides AER counters in the path /sys/class/net/<iface>/device/ This is split amoung 3 different files: aer_dev_correctable aer_dev_fatal aer_dev_nonfatal Signed-off-by: Diego Asturias <[email protected]>
Linux provides AER counters in the path /sys/class/net/<iface>/device/ This is split amoung 3 different files: aer_dev_correctable aer_dev_fatal aer_dev_nonfatal Signed-off-by: Diego Asturias <[email protected]>
Linux provides AER counters in the path /sys/class/net/<iface>/device/ This is split amoung 3 different files: aer_dev_correctable aer_dev_fatal aer_dev_nonfatal Signed-off-by: Diego Asturias <[email protected]>
Nvidia/Mellanox expose ROCE ECN infomration on sysfs on the path /sys/class/net/<interface>/ecn/<protocol>/ There are 2 protocols Reaction Point (rp) and Notification point (np) For each of the protocols they have a list of attributes: /sys/class/net/<interface>/ecn/<protocol>/params/<requested attribute> Each protocol will also if ECN is enabled per priority (where X is the priority): /sys/class/net/<interface>/ecn/<protocol>/enable/X This is documented here https://docs.nvidia.com/networking/display/mlnxofedv571020/explicit+congestion+notification+(ecn) The attributes are documented here: https://enterprise-support.nvidia.com/s/article/dcqcn-parameters Signed-off-by: Diego Asturias <[email protected]>
discordianfish
approved these changes
Jan 2, 2025
Thanks for the review! Happy to update whatever needs to be updated, but I'm not entirely clear what that is :). Are you referring to the commit history? Would it just the cleanest in that case to just create a new fork and PR? |
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