netdev - Re: [RFC PATCH net-next 01/15] net: BPF support for socket ops

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Message-Id: <20170613.171216.2009613899492344910.davem@davemloft.net>
Date:   Tue, 13 Jun 2017 17:12:16 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     brakmo@...com
Cc:     netdev@...r.kernel.org, kernel-team@...com, bmatheny@...com,
        ast@...com, daniel@...earbox.net, dsa@...ulusnetworks.com
Subject: Re: [RFC PATCH net-next 01/15] net: BPF support for socket ops

From: Lawrence Brakmo <brakmo@...com>
Date: Tue, 13 Jun 2017 10:59:50 -0700

> diff --git a/include/linux/filter.h b/include/linux/filter.h
> index a20ba40..8f69b8b 100644
> --- a/include/linux/filter.h
> +++ b/include/linux/filter.h
> @@ -899,4 +899,14 @@ static inline int bpf_tell_extensions(void)
>  	return SKF_AD_MAX;
>  }
>  
> +struct bpf_socket_ops_kern {
> +	struct	sock *sk;
> +	__u32	is_req_sock:1;
> +	__u32	op;
> +	union {
> +		__u32 reply;
> +		__u32 replylong[4];
> +	};
> +};
> +
>  #endif /* __LINUX_FILTER_H__ */

In non-UAPI headers, "u32", "u16", "u8", etc. without leading underscores
shoudl be used.