Individual skill

doca-common

Use this skill whenever the user is doing hands-on DOCA programming on a BlueField DPU or ConnectX NIC and needs the foundation primitives every per-library context rests on — walking the doca_ctx lifecycle, discovering doca_dev / doca_devinfo and gating on doca_*_cap_* before trusting a feature, wiring doca_mmap / doca_buf_inventory / doca_buf for zero-copy I/O across libraries, driving doca_pe for completions, or DOCA Log's two-tier (--sdk-log-level vs app-side) model. Trigger even when the user does not say "DOCA Common" — typical implicit phrasings include "my tasks submit but nothing completes", "DOCA_ERROR_BAD_STATE from doca_ctx_start", "--sdk-log-level does nothing for my DOCA_LOG_DBG lines", "share a buf between doca_dma and doca_rdma", or "crashes far from the offending line". Refuse and route elsewhere for per-library questions in isolation (load doca-flow / doca-rdma / doca-eth alongside), installing DOCA (doca-setup), or doc lookup (doca-public-knowledge-map).

skills/doca-common/SKILL.md

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Nov 6, 2026
License
Apache-2.0

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# DOCA Common

## Examples

- **"Tasks submit but nothing completes."** — start at the progress
  engine and ctx lifecycle, not a per-library rewrite.
- **"DOCA_ERROR_BAD_STATE from doca_ctx_start."** — walk the Common
  lifecycle order before blaming Flow or RDMA.

## Instructions

Follow Loading order below. Open the tasks companion for configure /
build / run. Open the capabilities companion for ctx / buf / pe /
log. Do not open every companion file.