[PATCH net-next v2 1/1] net: stmmac: add per-queue TX & RX coalesce ethtool support

Jakub Kicinski kuba at kernel.org
Wed Mar 17 20:55:44 GMT 2021


On Wed, 17 Mar 2021 09:01:23 +0800 Ong Boon Leong wrote:
> Extending the driver to support per-queue RX and TX coalesce settings in
> order to support below commands:
> 
> To show per-queue coalesce setting:-
>  $ ethtool --per-queue <DEVNAME> queue_mask <MASK> --show-coalesce
> 
> To set per-queue coalesce setting:-
>  $ ethtool --per-queue <DEVNAME> queue_mask <MASK> --coalesce \
>      [rx-usecs N] [rx-frames M] [tx-usecs P] [tx-frames Q]
> 
> Signed-off-by: Ong Boon Leong <boon.leong.ong at intel.com>

Acked-by: Jakub Kicinski <kuba at kernel.org>

> +	if (queue < tx_cnt) {
> +		ec->tx_coalesce_usecs = priv->tx_coal_timer[queue];
> +		ec->tx_max_coalesced_frames = priv->tx_coal_frames[queue];
> +	} else {
> +		ec->tx_coalesce_usecs = 0;
> +		ec->tx_max_coalesced_frames = 0;

nit: I think the struct is initialized to 0 so there is no need to set
it explicitly.



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