linux-kernel - Re: [PATCH 3/8] tools: Sync tools/include/uapi/linux/bpf.h with the kernel

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Message-ID: <58042DD4.1050105@huawei.com>
Date:   Mon, 17 Oct 2016 09:48:04 +0800
From:   "Wangnan (F)" <wangnan0@...wei.com>
To:     Eric Leblond <eric@...it.org>, <netdev@...r.kernel.org>
CC:     <linux-kernel@...r.kernel.org>, <ast@...com>
Subject: Re: [PATCH 3/8] tools: Sync tools/include/uapi/linux/bpf.h with the
 kernel



On 2016/10/17 5:18, Eric Leblond wrote:
> Signed-off-by: Eric Leblond <eric@...it.org>

Commit message is required.

Thank you.

> ---
>   tools/include/uapi/linux/bpf.h | 52 ++++++++++++++++++++++++++++++++++++++++++
>   1 file changed, 52 insertions(+)
>
> diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
> index 9e5fc16..570287f 100644
> --- a/tools/include/uapi/linux/bpf.h
> +++ b/tools/include/uapi/linux/bpf.h
> @@ -95,6 +95,8 @@ enum bpf_prog_type {
>   	BPF_PROG_TYPE_SCHED_ACT,
>   	BPF_PROG_TYPE_TRACEPOINT,
>   	BPF_PROG_TYPE_XDP,
> +	BPF_PROG_TYPE_PERF_EVENT,
> +	__MAX_BPF_PROG_TYPE,
>   };
>   
>   #define BPF_PSEUDO_MAP_FD	1
> @@ -375,6 +377,56 @@ enum bpf_func_id {
>   	 */
>   	BPF_FUNC_probe_write_user,
>   
> +	/**
> +	 * bpf_current_task_under_cgroup(map, index) - Check cgroup2 membership of current task
> +	 * @map: pointer to bpf_map in BPF_MAP_TYPE_CGROUP_ARRAY type
> +	 * @index: index of the cgroup in the bpf_map
> +	 * Return:
> +	 *   == 0 current failed the cgroup2 descendant test
> +	 *   == 1 current succeeded the cgroup2 descendant test
> +	 *    < 0 error
> +	 */
> +	BPF_FUNC_current_task_under_cgroup,
> +
> +	/**
> +	 * bpf_skb_change_tail(skb, len, flags)
> +	 * The helper will resize the skb to the given new size,
> +	 * to be used f.e. with control messages.
> +	 * @skb: pointer to skb
> +	 * @len: new skb length
> +	 * @flags: reserved
> +	 * Return: 0 on success or negative error
> +	 */
> +	BPF_FUNC_skb_change_tail,
> +
> +	/**
> +	 * bpf_skb_pull_data(skb, len)
> +	 * The helper will pull in non-linear data in case the
> +	 * skb is non-linear and not all of len are part of the
> +	 * linear section. Only needed for read/write with direct
> +	 * packet access.
> +	 * @skb: pointer to skb
> +	 * @len: len to make read/writeable
> +	 * Return: 0 on success or negative error
> +	 */
> +	BPF_FUNC_skb_pull_data,
> +
> +	/**
> +	 * bpf_csum_update(skb, csum)
> +	 * Adds csum into skb->csum in case of CHECKSUM_COMPLETE.
> +	 * @skb: pointer to skb
> +	 * @csum: csum to add
> +	 * Return: csum on success or negative error
> +	 */
> +	BPF_FUNC_csum_update,
> +
> +	/**
> +	 * bpf_set_hash_invalid(skb)
> +	 * Invalidate current skb>hash.
> +	 * @skb: pointer to skb
> +	 */
> +	BPF_FUNC_set_hash_invalid,
> +
>   	__BPF_FUNC_MAX_ID,
>   };
>