netdev - Re: [PATCH v7,net-next,07/13] crypto: octeontx2: load microcode and create engine groups

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Message-ID: <20201014170622.6de93e9a@kicinski-fedora-PC1C0HJN.hsd1.ca.comcast.net>
Date:   Wed, 14 Oct 2020 17:06:22 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Srujana Challa <schalla@...vell.com>
Cc:     <herbert@...dor.apana.org.au>, <davem@...emloft.net>,
        <netdev@...r.kernel.org>, <linux-crypto@...r.kernel.org>,
        <sgoutham@...vell.com>, <gakula@...vell.com>,
        <sbhatta@...vell.com>, <schandran@...vell.com>,
        <pathreya@...vell.com>
Subject: Re: [PATCH v7,net-next,07/13] crypto: octeontx2: load microcode and
 create engine groups

On Mon, 12 Oct 2020 16:27:13 +0530 Srujana Challa wrote:
> +/* tar header as defined in POSIX 1003.1-1990. */
> +struct tar_hdr_t {
> +	char name[100];
> +	char mode[8];
> +	char uid[8];
> +	char gid[8];
> +	char size[12];
> +	char mtime[12];
> +	char chksum[8];
> +	char typeflag;
> +	char linkname[100];
> +	char magic[6];
> +	char version[2];
> +	char uname[32];
> +	char gname[32];
> +	char devmajor[8];
> +	char devminor[8];
> +	char prefix[155];
> +};
> +
> +struct tar_blk_t {
> +	union {
> +		struct tar_hdr_t hdr;
> +		char block[TAR_BLOCK_LEN];
> +	};
> +};

In networking we've been pushing back on parsing firmware files 
in the kernel. Why do you need to parse tar archives?