linux-kernel - Re: [RFC PATCH net-next 2/6] net/smc: add vendor unique experimental options area in clc handshake

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Message-ID: <ZMvnvLOZgtmS2IqN@kernel.org>
Date:   Thu, 3 Aug 2023 19:45:32 +0200
From:   Simon Horman <horms@...nel.org>
To:     Guangguan Wang <guangguan.wang@...ux.alibaba.com>
Cc:     wenjia@...ux.ibm.com, jaka@...ux.ibm.com, kgraul@...ux.ibm.com,
        tonylu@...ux.alibaba.com, davem@...emloft.net, edumazet@...gle.com,
        kuba@...nel.org, pabeni@...hat.com, alibuda@...ux.alibaba.com,
        guwen@...ux.alibaba.com, linux-s390@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH net-next 2/6] net/smc: add vendor unique experimental
 options area in clc handshake

On Thu, Aug 03, 2023 at 09:24:18PM +0800, Guangguan Wang wrote:

...

Hi Guangguan Wang,

> @@ -987,12 +991,12 @@ static int smc_clc_send_confirm_accept(struct smc_sock *smc,
>  {
>  	struct smc_connection *conn = &smc->conn;
>  	struct smc_clc_msg_accept_confirm *clc;
> -	struct smc_clc_first_contact_ext fce;
> +	struct smc_clc_first_contact_ext_v2x fce;
>  	struct smc_clc_fce_gid_ext gle;
>  	struct smc_clc_msg_trail trl;
>  	struct kvec vec[5];
>  	struct msghdr msg;
> -	int i, len;
> +	int i, len, fce_len;

Please preserve reverse xmas tree - longest line to shortest -
for local variable declarations: this is Networking code.

https://github.com/ecree-solarflare/xmastree is your friend here.

...