netdev - Re: [PATCH iproute2 -next 2/2] tc: add eBPF support to f

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 for Android: free password hash cracker in your pocket

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

Message-ID: <550716BF.9030607@plumgrid.com>
Date:	Mon, 16 Mar 2015 10:45:35 -0700
From:	Alexei Starovoitov <ast@...mgrid.com>
To:	Daniel Borkmann <daniel@...earbox.net>, stephen@...workplumber.org
CC:	jhs@...atatu.com, jiri@...nulli.us, netdev@...r.kernel.org
Subject: Re: [PATCH iproute2 -next 2/2] tc: add eBPF support to f_bpf

On 3/16/15 10:10 AM, Daniel Borkmann wrote:

> +
> +/* ELF section names, etc (ABI) */
> +#define ELF_SECTION_LICENSE	"license"
> +#define ELF_SECTION_MAPS	"maps"
> +#define ELF_SECTION_CLASSIFIER	"classifier"
> +#define ELF_SECTION_ACTION	"action"
> +
> +#define ELF_MAX_MAPS		64
> +#define ELF_MAX_LICENSE_LEN	128
> +
> +/* ELF map definition (ABI) */
> +struct bpf_elf_map {
> +	__u32 type;
> +	__u32 size_key;
> +	__u32 size_value;
> +	__u32 max_elem;
> +};

I think people might freak out that the above section names and
the struct are a kernel ABI. It's obviously not.
Would be good to say that this is a present convention between
C program that describes tc classifier and tc elf reader
and it can change in the future.

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html