netdev - Re: [PATCH net-next V2] net: fix IPSTATS_MIB_OUTPKGS increment in OutForwDatagrams.

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Date: Wed, 18 Oct 2023 09:08:03 -0600
From: David Ahern <dsahern@...nel.org>
To: Heng Guo <heng.guo@...driver.com>, davem@...emloft.net,
 edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com
Cc: netdev@...r.kernel.org, filip.pudak@...driver.com, kun.song@...driver.com
Subject: Re: [PATCH net-next V2] net: fix IPSTATS_MIB_OUTPKGS increment in
 OutForwDatagrams.

On 10/17/23 7:06 PM, Heng Guo wrote:
> diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c
> index 1af29af65388..15988e5a745b 100644
> --- a/net/mpls/af_mpls.c
> +++ b/net/mpls/af_mpls.c
> @@ -141,14 +141,14 @@ void mpls_stats_inc_outucastpkts(struct net_device *dev,
>  					   tx_packets,
>  					   tx_bytes);
>  	} else if (skb->protocol == htons(ETH_P_IP)) {
> -		IP_UPD_PO_STATS(dev_net(dev), IPSTATS_MIB_OUT, skb->len);
> +		IP_INC_STATS(dev_net(dev), IPSTATS_MIB_OUTREQUESTS);
>  #if IS_ENABLED(CONFIG_IPV6)
>  	} else if (skb->protocol == htons(ETH_P_IPV6)) {
>  		struct inet6_dev *in6dev = __in6_dev_get(dev);
>  
>  		if (in6dev)
> -			IP6_UPD_PO_STATS(dev_net(dev), in6dev,
> -					 IPSTATS_MIB_OUT, skb->len);
> +			IP6_INC_STATS(dev_net(dev), in6dev,
> +				      IPSTATS_MIB_OUTREQUESTS);
>  #endif
>  	}
>  }

mpls_stats_inc_outucastpkts is called for both forward and local output
use cases.