Re: [PATCH net-next] tg3: extract GRXRINGS from .get_rxnfc
From: Michael Chan
Date: Thu Nov 06 2025 - 13:45:38 EST
On Thu, Nov 6, 2025 at 9:06 AM Breno Leitao <leitao@xxxxxxxxxx> wrote:
> tg3: Fix num of RX queues being reported by ethtool
>
> Using num_online_cpus() to report number of queues is actually not
> correct, as reported by Michael[1].
>
> netif_get_num_default_rss_queues() was used to replace num_online_cpus()
> in the past, but tg3 ethtool callbacks didn't get converted. Doing it
> now.
>
> Link: https://lore.kernel.org/all/CACKFLim7ruspmqvjr6bNRq5Z_XXVk3vVaLZOons7kMCzsEG23A@xxxxxxxxxxxxxx/#t [1]
>
> Signed-off-by: Breno Leitao <leitao@xxxxxxxxxx>
> Suggested-by: Michael Chan <michael.chan@xxxxxxxxxxxx>
>
> diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
> index fa58c3ffceb06..5fdaee7ef9d7a 100644
> --- a/drivers/net/ethernet/broadcom/tg3.c
> +++ b/drivers/net/ethernet/broadcom/tg3.c
> @@ -12729,7 +12729,7 @@ static u32 tg3_get_rx_ring_count(struct net_device *dev)
> if (netif_running(tp->dev))
> return tp->rxq_cnt;
>
> - return min(num_online_cpus(), TG3_RSS_MAX_NUM_QS);
> + return min((u32) netif_get_num_default_rss_queues(), tp->rxq_max);
Isn't it better to use min_t()?
Attachment:
smime.p7s
Description: S/MIME Cryptographic Signature