Re: [PATCH v2 14/15] net: rnpgbe: Add base rx function

From: Simon Horman
Date: Tue Jul 22 2025 - 10:26:04 EST


On Mon, Jul 21, 2025 at 07:32:37PM +0800, Dong Yibo wrote:
> Initialize rx clean function.
>
> Signed-off-by: Dong Yibo <dong100@xxxxxxxxx>

...

> diff --git a/drivers/net/ethernet/mucse/rnpgbe/rnpgbe_lib.c b/drivers/net/ethernet/mucse/rnpgbe/rnpgbe_lib.c

...

> @@ -299,12 +707,27 @@ static int rnpgbe_poll(struct napi_struct *napi, int budget)
> struct mucse_q_vector *q_vector =
> container_of(napi, struct mucse_q_vector, napi);
> struct mucse *mucse = q_vector->mucse;
> + int per_ring_budget, work_done = 0;
> bool clean_complete = true;
> struct mucse_ring *ring;
> - int work_done = 0;
> + int cleaned_total = 0;

cleaned_total is set but otherwise unused in this function.

Flagged by Clang 20.1.8 builds with KCFLAGS=-Wunused-but-set-variable.

>
> mucse_for_each_ring(ring, q_vector->tx)
> clean_complete = rnpgbe_clean_tx_irq(q_vector, ring, budget);
> + if (q_vector->rx.count > 1)
> + per_ring_budget = max(budget / q_vector->rx.count, 1);
> + else
> + per_ring_budget = budget;
> +
> + mucse_for_each_ring(ring, q_vector->rx) {
> + int cleaned = 0;
> +
> + cleaned = rnpgbe_clean_rx_irq(q_vector, ring, per_ring_budget);
> + work_done += cleaned;
> + cleaned_total += cleaned;
> + if (cleaned >= per_ring_budget)
> + clean_complete = false;
> + }
>
> if (!netif_running(mucse->netdev))
> clean_complete = true;

...

> @@ -871,6 +1323,8 @@ static int rnpgbe_setup_rx_resources(struct mucse_ring *rx_ring,
> memset(rx_ring->desc, 0, rx_ring->size);
> rx_ring->next_to_clean = 0;
> rx_ring->next_to_use = 0;
> + if (mucse_alloc_page_pool(rx_ring)

There is a trailing ')' missing from the line above.

> + goto err;
>
> return 0;
> err:

...