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Date:   Tue, 3 Oct 2023 03:17:48 -0700
From:   Shradha Gupta <shradhagupta@linux.microsoft.com>
To:     Haiyang Zhang <haiyangz@microsoft.com>
Cc:     linux-hyperv@vger.kernel.org, netdev@vger.kernel.org,
        decui@microsoft.com, stephen@networkplumber.org, kys@microsoft.com,
        paulros@microsoft.com, olaf@aepfle.de, vkuznets@redhat.com,
        davem@davemloft.net, wei.liu@kernel.org, edumazet@google.com,
        kuba@kernel.org, pabeni@redhat.com, leon@kernel.org,
        longli@microsoft.com, ssengar@linux.microsoft.com,
        linux-rdma@vger.kernel.org, daniel@iogearbox.net,
        john.fastabend@gmail.com, bpf@vger.kernel.org, ast@kernel.org,
        sharmaajay@microsoft.com, hawk@kernel.org, tglx@linutronix.de,
        linux-kernel@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH net,v2, 2/3] net: mana: Fix the tso_bytes calculation
Message-ID: <20231003101748.GA32191@linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net>
References: <1696020147-14989-1-git-send-email-haiyangz@microsoft.com>
 <1696020147-14989-3-git-send-email-haiyangz@microsoft.com>
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On Fri, Sep 29, 2023 at 01:42:26PM -0700, Haiyang Zhang wrote:
> sizeof(struct hop_jumbo_hdr) is not part of tso_bytes, so remove
> the subtraction from header size.
> 
> Cc: stable@vger.kernel.org
> Fixes: bd7fc6e1957c ("net: mana: Add new MANA VF performance counters for easier troubleshooting")
> Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
> Reviewed-by: Simon Horman <horms@kernel.org>
> ---
>  drivers/net/ethernet/microsoft/mana/mana_en.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/drivers/net/ethernet/microsoft/mana/mana_en.c b/drivers/net/ethernet/microsoft/mana/mana_en.c
> index 5cdcf7561b38..86e724c3eb89 100644
> --- a/drivers/net/ethernet/microsoft/mana/mana_en.c
> +++ b/drivers/net/ethernet/microsoft/mana/mana_en.c
> @@ -264,8 +264,6 @@ netdev_tx_t mana_start_xmit(struct sk_buff *skb, struct net_device *ndev)
>  				ihs = skb_transport_offset(skb) + sizeof(struct udphdr);
>  			} else {
>  				ihs = skb_tcp_all_headers(skb);
> -				if (ipv6_has_hopopt_jumbo(skb))
> -					ihs -= sizeof(struct hop_jumbo_hdr);
>  			}
>  
>  			u64_stats_update_begin(&tx_stats->syncp);
> -- 
> 2.25.1
Reviewed-by:Shradha Gupta <shradhagupta@linux.microsoft.com>