Individual skill

doca-eth

Use this skill for hands-on DOCA Ethernet packet-queue work on a BlueField DPU or ConnectX NIC — bringing up a `doca_eth_rxq` or `doca_eth_txq` on a port / representor / SF, picking among the four `enum doca_eth_rxq_type` values (`_REGULAR` / `_CYCLIC` / `_MANAGED_MEMPOOL` / `_SHARED_MEMPOOL`), sizing burst or scatter-gather length against the `_cap_*` queries, submitting `doca_eth_txq_task_send` / `_lso_send` (carrying packet `doca_buf`s — no `doca_eth_frame` struct exists), or debugging DOCA_ERROR_* from an Ethernet call. `doca_eth_rxq` and `doca_eth_txq` are two Core contexts; one `doca_ctx_start()` does not cover both. Trigger on implicit phrasings: "my RX queue is up but no packets arrive", "send-task returns AGAIN at line rate", "which queue type for fixed-MTU ingress", "device open fails without sudo", or "is L3 checksum offload available here". Refuse and route elsewhere for installing DOCA, flow-rule / steering programming, host↔DPU control messaging, or RDMA data movement.

skills/doca-eth/SKILL.md

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Network or broad shell
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Nov 9, 2026

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Nov 6, 2026
License
Apache-2.0

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# DOCA Ethernet

## Examples

- **"My RX queue is up but no packets arrive."** — RX and TX are two
  Core contexts; one `doca_ctx_start()` does not cover both.
- **"Send-task returns AGAIN at line rate."** — size burst against
  the `_cap_*` queries before changing queue type.

## Instructions

Follow Loading order below. Open the tasks companion for configure /
build / run. Open the capabilities companion for the RX-type taxonomy
and send surface. Do not open every companion file.