Add NIC_TRAFFIC_CLASS_FIFO env var for ctrl-path DSCP (like NCCL_IB_FIFO_TC) - #316

Open

paklui wants to merge 12 commits into

ROCm:candidatefrom

paklui:candidate-fifo-tc

Commits on May 29, 2026

add NIC_TRAFFIC_CLASS_FIFO env var for control-path DSCP marking

paklui
and
claude
committed
e957f4b
fix QpTransitionResult scope for ctrl QP setup

paklui
and
claude
committed
797a28d
fix NIC_TRAFFIC_CLASS_FIFO gate condition and remove barrier deadlock

paklui
and
claude
committed
038e6f0
fix ctrl QP max_recv_wr capacity for NIC_TRAFFIC_CLASS_FIFO pre-posted recvs

paklui
and
claude
committed
578b1cc
fix ctrlNumPrepost to account for numSubIterations
Pak Nin Lui
committed
e4600ec
modify CHANGELOG.md for NIC_TRAFFIC_CLASS_FIFO
Pak Nin Lui
committed
c449d70
add a missing word in CHANGELOG.md
Pak Nin Lui
committed
4f7dc79
minor fix for a teardown comment
paklui
committed
28b2754

Commits on May 30, 2026

Commits on Jun 2, 2026

fix ctrl QP setup to skip RDMA_READ transfers and guard against overflow

paklui
and
claude
committed
4d34068