netdev - Re: [PATCH bpf-next] bpf: Add BPF_MAP_TYPE_QUEUE and BPF_MAP_TYPE

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Date:   Fri, 23 Nov 2018 10:56:13 +0000
From:   Edward Cree <ecree@...arflare.com>
To:     David Calavera <david.calavera@...il.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        <netdev@...r.kernel.org>
Subject: Re: [PATCH bpf-next] bpf: Add BPF_MAP_TYPE_QUEUE and
 BPF_MAP_TYPE_QUEUE to bpftool-map

On 22/11/18 20:59, David Calavera wrote:
> I noticed that these two new BPF Maps are not defined in bpftool.
> This patch defines those two maps and adds their names to the
> bpftool-map documentation.
>
> Signed-off-by: David Calavera <david.calavera@...il.com>
> ---
Subject line says 'QUEUE' twice, should one of those be 'STACK'?
>  tools/bpf/bpftool/Documentation/bpftool-map.rst | 3 ++-
>  tools/bpf/bpftool/map.c                         | 2 ++
>  2 files changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/tools/bpf/bpftool/Documentation/bpftool-map.rst b/tools/bpf/bpftool/Documentation/bpftool-map.rst
> index f55a2daed59b..9e827e342d9e 100644
> --- a/tools/bpf/bpftool/Documentation/bpftool-map.rst
> +++ b/tools/bpf/bpftool/Documentation/bpftool-map.rst
> @@ -42,7 +42,8 @@ MAP COMMANDS
>  |		| **percpu_array** | **stack_trace** | **cgroup_array** | **lru_hash**
>  |		| **lru_percpu_hash** | **lpm_trie** | **array_of_maps** | **hash_of_maps**
>  |		| **devmap** | **sockmap** | **cpumap** | **xskmap** | **sockhash**
> -|		| **cgroup_storage** | **reuseport_sockarray** | **percpu_cgroup_storage** }
> +|		| **cgroup_storage** | **reuseport_sockarray** | **percpu_cgroup_storage**
> +|		| **queue** | **stack** }
>  
>  DESCRIPTION
>  ===========
> diff --git a/tools/bpf/bpftool/map.c b/tools/bpf/bpftool/map.c
> index 7bf38f0e152e..68b656b6edcc 100644
> --- a/tools/bpf/bpftool/map.c
> +++ b/tools/bpf/bpftool/map.c
> @@ -74,6 +74,8 @@ static const char * const map_type_name[] = {
>  	[BPF_MAP_TYPE_CGROUP_STORAGE]	= "cgroup_storage",
>  	[BPF_MAP_TYPE_REUSEPORT_SOCKARRAY] = "reuseport_sockarray",
>  	[BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE]	= "percpu_cgroup_storage",
> +	[BPF_MAP_TYPE_QUEUE] = "queue",
> +	[BPF_MAP_TYPE_STACK] = "stack",
>  };
>  
>  static bool map_is_per_cpu(__u32 type)