linux-kernel - Re: [PATCH net-next 2/9] net: atlantic: convert to use .get_rx_ring

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Message-ID: <4daf0901-20a6-4c9b-9b56-32efef24e5e5@amd.com>
Date: Wed, 21 Jan 2026 08:49:23 -0800
From: "Creeley, Brett" <bcreeley@....com>
To: Breno Leitao <leitao@...ian.org>,
 Ajit Khaparde <ajit.khaparde@...adcom.com>,
 Sriharsha Basavapatna <sriharsha.basavapatna@...adcom.com>,
 Somnath Kotur <somnath.kotur@...adcom.com>,
 Andrew Lunn <andrew+netdev@...n.ch>, "David S. Miller"
 <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
 Igor Russkikh <irusskikh@...vell.com>, Simon Horman <horms@...nel.org>,
 "K. Y. Srinivasan" <kys@...rosoft.com>,
 Haiyang Zhang <haiyangz@...rosoft.com>, Wei Liu <wei.liu@...nel.org>,
 Dexuan Cui <decui@...rosoft.com>, Long Li <longli@...rosoft.com>,
 Alexander Duyck <alexanderduyck@...com>, kernel-team@...a.com,
 Edward Cree <ecree.xilinx@...il.com>, Brett Creeley <brett.creeley@....com>
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
 oss-drivers@...igine.com, linux-hyperv@...r.kernel.org,
 linux-net-drivers@....com
Subject: Re: [PATCH net-next 2/9] net: atlantic: convert to use
 .get_rx_ring_count

On 1/21/2026 7:54 AM, Breno Leitao wrote:
> Caution: This message originated from an External Source. Use proper caution when opening attachments, clicking links, or responding.
>
>
> Use the newly introduced .get_rx_ring_count ethtool ops callback instead
> of handling ETHTOOL_GRXRINGS directly in .get_rxnfc().
>
> Signed-off-by: Breno Leitao <leitao@...ian.org>
> ---
>   drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c | 15 +++++++++------
>   1 file changed, 9 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c b/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c
> index 6fef47ba0a59b..d8b5491c9cb2b 100644
> --- a/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c
> +++ b/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c
> @@ -500,20 +500,22 @@ static int aq_ethtool_set_rss(struct net_device *netdev,
>          return err;
>   }
>
> +static u32 aq_ethtool_get_rx_ring_count(struct net_device *ndev)
> +{
> +       struct aq_nic_s *aq_nic = netdev_priv(ndev);
> +       struct aq_nic_cfg_s *cfg = aq_nic_get_cfg(aq_nic);
> +
> +       return cfg->vecs;
> +}
> +

Tiny nit, but RCT ordering is not maintained.

Thanks,

Brett
>   static int aq_ethtool_get_rxnfc(struct net_device *ndev,
>                                  struct ethtool_rxnfc *cmd,
>                                  u32 *rule_locs)
>   {
>          struct aq_nic_s *aq_nic = netdev_priv(ndev);
> -       struct aq_nic_cfg_s *cfg;
>          int err = 0;
>
> -       cfg = aq_nic_get_cfg(aq_nic);
> -
>          switch (cmd->cmd) {
> -       case ETHTOOL_GRXRINGS:
> -               cmd->data = cfg->vecs;
> -               break;
>          case ETHTOOL_GRXCLSRLCNT:
>                  cmd->rule_cnt = aq_get_rxnfc_count_all_rules(aq_nic);
>                  break;
> @@ -1072,6 +1074,7 @@ const struct ethtool_ops aq_ethtool_ops = {
>          .set_rxfh            = aq_ethtool_set_rss,
>          .get_rxnfc           = aq_ethtool_get_rxnfc,
>          .set_rxnfc           = aq_ethtool_set_rxnfc,
> +       .get_rx_ring_count   = aq_ethtool_get_rx_ring_count,
>          .get_msglevel        = aq_get_msg_level,
>          .set_msglevel        = aq_set_msg_level,
>          .get_sset_count      = aq_ethtool_get_sset_count,
>
> --
> 2.47.3
>