From: Sergey Shtylyov <s.shtylyov@omp.ru>
To: Paul Barker <paul@pbarker.dev>,
"David S . Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>
Cc: "Paul Barker" <paul.barker.ct@bp.renesas.com>,
"Geert Uytterhoeven" <geert+renesas@glider.be>,
"Niklas Söderlund" <niklas.soderlund+renesas@ragnatech.se>,
"Biju Das" <biju.das.jz@bp.renesas.com>,
"Claudiu Beznea" <claudiu.beznea.uj@bp.renesas.com>,
netdev@vger.kernel.org, linux-renesas-soc@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [net-next PATCH 07/11] net: ravb: Simplify UDP TX checksum offload
Date: Mon, 30 Sep 2024 22:39:11 +0300 [thread overview]
Message-ID: <8fb6f818-e818-4ba2-b1a9-e4468d4496aa@omp.ru> (raw)
In-Reply-To: <20240930160845.8520-8-paul@pbarker.dev>
On 9/30/24 19:08, Paul Barker wrote:
> From: Paul Barker <paul.barker.ct@bp.renesas.com>
>
> The GbEth IP will pass through a null UDP checksum without asserting any
s/null/zero/, perhaps?
> error flags so we do not need to resort to software checksum calculation
> in this case.
>
> Signed-off-by: Paul Barker <paul.barker.ct@bp.renesas.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
[...]
> diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
> index 9350ca10ab22..ae0268f2eb04 100644
> --- a/drivers/net/ethernet/renesas/ravb_main.c
> +++ b/drivers/net/ethernet/renesas/ravb_main.c
> @@ -2075,20 +2075,12 @@ static bool ravb_can_tx_csum_gbeth(struct sk_buff *skb)
>
> switch (ip->protocol) {
> case IPPROTO_TCP:
> - break;
> case IPPROTO_UDP:
> - /* If the checksum value in the UDP header field is 0, TOE does
> - * not calculate checksum for UDP part of this frame as it is
> - * optional function as per standards.
> - */
> - if (udp_hdr(skb)->check == 0)
> - return false;
> - break;
> + return true;
> +
No need for an empty line here, it's not used elsewhere in the *switch*
statements...
> default:
> return false;
> }
[...]
MBR, Sergey
next prev parent reply other threads:[~2024-09-30 19:39 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-30 16:08 [net-next PATCH 00/11] Extend GbEth checksum offload support to VLAN/IPv6 packets Paul Barker
2024-09-30 16:08 ` [net-next PATCH 01/11] net: ravb: Factor out checksum offload enable bits Paul Barker
2024-09-30 17:02 ` Sergey Shtylyov
2024-09-30 16:08 ` [net-next PATCH 02/11] net: ravb: Disable IP header RX checksum offloading Paul Barker
2024-09-30 17:16 ` Sergey Shtylyov
2024-09-30 16:08 ` [net-next PATCH 03/11] net: ravb: Drop IP protocol check from RX csum verification Paul Barker
2024-09-30 17:29 ` Sergey Shtylyov
2024-09-30 16:08 ` [net-next PATCH 04/11] net: ravb: Combine if conditions in RX csum validation Paul Barker
2024-09-30 17:40 ` Sergey Shtylyov
2024-09-30 16:08 ` [net-next PATCH 05/11] net: ravb: Simplify types " Paul Barker
2024-09-30 19:11 ` Sergey Shtylyov
2024-09-30 19:30 ` Sergey Shtylyov
2024-10-03 9:23 ` Paul Barker
2024-10-03 13:20 ` Sergey Shtylyov
2024-09-30 16:08 ` [net-next PATCH 06/11] net: ravb: Disable IP header TX checksum offloading Paul Barker
2024-09-30 19:23 ` Sergey Shtylyov
2024-09-30 16:08 ` [net-next PATCH 07/11] net: ravb: Simplify UDP TX checksum offload Paul Barker
2024-09-30 19:39 ` Sergey Shtylyov [this message]
2024-09-30 16:08 ` [net-next PATCH 08/11] net: ravb: Support ICMP TX checksum offload for GbEth Paul Barker
2024-09-30 19:48 ` Sergey Shtylyov
2024-09-30 16:08 ` [net-next PATCH 09/11] net: ravb: Enable IPv6 RX checksum offloading " Paul Barker
2024-09-30 19:55 ` Sergey Shtylyov
2024-09-30 16:08 ` [net-next PATCH 10/11] net: ravb: Enable IPv6 TX checksum offload " Paul Barker
2024-09-30 20:08 ` Sergey Shtylyov
2024-09-30 16:08 ` [net-next PATCH 11/11] net: ravb: Add VLAN checksum support Paul Barker
2024-09-30 20:36 ` Sergey Shtylyov
2024-09-30 22:32 ` Sergey Shtylyov
2024-10-01 10:44 ` Simon Horman
2024-10-02 15:27 ` Sergey Shtylyov
2024-10-03 10:26 ` Paul Barker
2024-10-01 16:46 ` kernel test robot
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