linux-kernel - Re: [PATCH net-next 2/3] net/usb/r8152: enable tx checksum

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 13 Aug 2013 18:39:36 +0400
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	Hayes Wang <hayeswang@...ltek.com>
CC:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-usb@...r.kernel.org
Subject: Re: [PATCH net-next 2/3] net/usb/r8152: enable tx checksum

Hello.

On 08/13/2013 11:28 AM, Hayes Wang wrote:

> Enable tx checksum.

> Signed-off-by: Hayes Wang <hayeswang@...ltek.com>
> ---
>   drivers/net/usb/r8152.c | 63 +++++++++++++++++++++++++++++++++++++++++++++----
>   1 file changed, 58 insertions(+), 5 deletions(-)

> diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
> index c6c5aa2..5d9d949 100644
> --- a/drivers/net/usb/r8152.c
> +++ b/drivers/net/usb/r8152.c
[...]
> @@ -964,6 +971,51 @@ err1:
>   	return -ENOMEM;
>   }
>
> +static void
> +r8152_tx_csum(struct r8152 *tp, struct tx_desc *desc, struct sk_buff *skb)
> +{
[...]
> +		if (ip_protocol == IPPROTO_TCP) {
> +			opts2 |= TCP_CS;
> +			opts2 |= (skb_transport_offset(skb) & 0x7fff) << 17;
> +		} else if (ip_protocol == IPPROTO_UDP) {
> +			opts2 |= UDP_CS;
> +		} else
> +			WARN_ON_ONCE(1);

    Stange, why *else if* branch has {} and *else* don't. It should, according 
to Documentation/CodingStyle.

> +
> +		desc->opts2 = cpu_to_le32(opts2);
> +	}
> +}
> +

WBR, Sergei

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/