linux-kernel - Re: [PATCH] net: ena: Remove deadcode

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Message-ID: <ZyahaGcE-y3dxZiO@gallifrey>
Date: Sat, 2 Nov 2024 22:02:16 +0000
From: "Dr. David Alan Gilbert" <linux@...blig.org>
To: shayagr@...zon.com, akiyano@...zon.com, darinzon@...zon.com,
	ndagan@...zon.com, saeedb@...zon.com, andrew+netdev@...n.ch,
	davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
	pabeni@...hat.com
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: ena: Remove deadcode

* linux@...blig.org (linux@...blig.org) wrote:
> From: "Dr. David Alan Gilbert" <linux@...blig.org>
> 
> ena_com_get_dev_basic_stats() has been unused since 2017's
> commit d81db2405613 ("net/ena: refactor ena_get_stats64 to be atomic
> context safe")
> 
> ena_com_get_offload_settings() has been unused since the original
> commit of ENA back in 2016 in
> commit 1738cd3ed342 ("net: ena: Add a driver for Amazon Elastic
> Network Adapters (ENA)")
> 
> Remove them.
> 
> Signed-off-by: Dr. David Alan Gilbert <linux@...blig.org>

Oops, resending with the net-next prefix on.

Dave

> ---
>  drivers/net/ethernet/amazon/ena/ena_com.c | 33 -----------------------
>  drivers/net/ethernet/amazon/ena/ena_com.h | 18 -------------
>  2 files changed, 51 deletions(-)
> 
> diff --git a/drivers/net/ethernet/amazon/ena/ena_com.c b/drivers/net/ethernet/amazon/ena/ena_com.c
> index d958cda9e58b..bc23b8fa7a37 100644
> --- a/drivers/net/ethernet/amazon/ena/ena_com.c
> +++ b/drivers/net/ethernet/amazon/ena/ena_com.c
> @@ -2198,21 +2198,6 @@ int ena_com_get_ena_srd_info(struct ena_com_dev *ena_dev,
>  	return ret;
>  }
>  
> -int ena_com_get_dev_basic_stats(struct ena_com_dev *ena_dev,
> -				struct ena_admin_basic_stats *stats)
> -{
> -	struct ena_com_stats_ctx ctx;
> -	int ret;
> -
> -	memset(&ctx, 0x0, sizeof(ctx));
> -	ret = ena_get_dev_stats(ena_dev, &ctx, ENA_ADMIN_GET_STATS_TYPE_BASIC);
> -	if (likely(ret == 0))
> -		memcpy(stats, &ctx.get_resp.u.basic_stats,
> -		       sizeof(ctx.get_resp.u.basic_stats));
> -
> -	return ret;
> -}
> -
>  int ena_com_get_customer_metrics(struct ena_com_dev *ena_dev, char *buffer, u32 len)
>  {
>  	struct ena_admin_aq_get_stats_cmd *get_cmd;
> @@ -2289,24 +2274,6 @@ int ena_com_set_dev_mtu(struct ena_com_dev *ena_dev, u32 mtu)
>  	return ret;
>  }
>  
> -int ena_com_get_offload_settings(struct ena_com_dev *ena_dev,
> -				 struct ena_admin_feature_offload_desc *offload)
> -{
> -	int ret;
> -	struct ena_admin_get_feat_resp resp;
> -
> -	ret = ena_com_get_feature(ena_dev, &resp,
> -				  ENA_ADMIN_STATELESS_OFFLOAD_CONFIG, 0);
> -	if (unlikely(ret)) {
> -		netdev_err(ena_dev->net_device, "Failed to get offload capabilities %d\n", ret);
> -		return ret;
> -	}
> -
> -	memcpy(offload, &resp.u.offload, sizeof(resp.u.offload));
> -
> -	return 0;
> -}
> -
>  int ena_com_set_hash_function(struct ena_com_dev *ena_dev)
>  {
>  	struct ena_com_admin_queue *admin_queue = &ena_dev->admin_queue;
> diff --git a/drivers/net/ethernet/amazon/ena/ena_com.h b/drivers/net/ethernet/amazon/ena/ena_com.h
> index a372c5e768a7..20e1529adf3b 100644
> --- a/drivers/net/ethernet/amazon/ena/ena_com.h
> +++ b/drivers/net/ethernet/amazon/ena/ena_com.h
> @@ -591,15 +591,6 @@ int ena_com_set_aenq_config(struct ena_com_dev *ena_dev, u32 groups_flag);
>  int ena_com_get_dev_attr_feat(struct ena_com_dev *ena_dev,
>  			      struct ena_com_dev_get_features_ctx *get_feat_ctx);
>  
> -/* ena_com_get_dev_basic_stats - Get device basic statistics
> - * @ena_dev: ENA communication layer struct
> - * @stats: stats return value
> - *
> - * @return: 0 on Success and negative value otherwise.
> - */
> -int ena_com_get_dev_basic_stats(struct ena_com_dev *ena_dev,
> -				struct ena_admin_basic_stats *stats);
> -
>  /* ena_com_get_eni_stats - Get extended network interface statistics
>   * @ena_dev: ENA communication layer struct
>   * @stats: stats return value
> @@ -635,15 +626,6 @@ int ena_com_get_customer_metrics(struct ena_com_dev *ena_dev, char *buffer, u32
>   */
>  int ena_com_set_dev_mtu(struct ena_com_dev *ena_dev, u32 mtu);
>  
> -/* ena_com_get_offload_settings - Retrieve the device offloads capabilities
> - * @ena_dev: ENA communication layer struct
> - * @offlad: offload return value
> - *
> - * @return: 0 on Success and negative value otherwise.
> - */
> -int ena_com_get_offload_settings(struct ena_com_dev *ena_dev,
> -				 struct ena_admin_feature_offload_desc *offload);
> -
>  /* ena_com_rss_init - Init RSS
>   * @ena_dev: ENA communication layer struct
>   * @log_size: indirection log size
> -- 
> 2.47.0
> 
-- 
 -----Open up your eyes, open up your mind, open up your code -------   
/ Dr. David Alan Gilbert    |       Running GNU/Linux       | Happy  \ 
\        dave @ treblig.org |                               | In Hex /
 \ _________________________|_____ http://www.treblig.org   |_______/