linux-kernel - Re: [PATCH net v2 7/9] net: fill in MODULE

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Date: Wed, 7 Feb 2024 16:27:49 -0500
From: Jamal Hadi Salim <jhs@...atatu.com>
To: Breno Leitao <leitao@...ian.org>
Cc: kuba@...nel.org, davem@...emloft.net, pabeni@...hat.com, 
	edumazet@...gle.com, Cong Wang <xiyou.wangcong@...il.com>, 
	Jiri Pirko <jiri@...nulli.us>, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, 
	horms@...nel.org, andrew@...n.ch
Subject: Re: [PATCH net v2 7/9] net: fill in MODULE_DESCRIPTION()s for net/sched

On Wed, Feb 7, 2024 at 5:19 AM Breno Leitao <leitao@...ian.org> wrote:
>
> W=1 builds now warn if module is built without a MODULE_DESCRIPTION().
> Add descriptions to the network schedulers.
>
> Signed-off-by: Breno Leitao <leitao@...ian.org>
> ---
>  net/sched/em_canid.c | 1 +
>  net/sched/em_cmp.c   | 1 +
>  net/sched/em_meta.c  | 1 +
>  net/sched/em_nbyte.c | 1 +
>  net/sched/em_text.c  | 1 +
>  net/sched/em_u32.c   | 1 +
>  6 files changed, 6 insertions(+)
>
> diff --git a/net/sched/em_canid.c b/net/sched/em_canid.c
> index 5ea84decec19..c1852d79c00a 100644
> --- a/net/sched/em_canid.c
> +++ b/net/sched/em_canid.c
> @@ -222,6 +222,7 @@ static void __exit exit_em_canid(void)
>         tcf_em_unregister(&em_canid_ops);
>  }
>
> +MODULE_DESCRIPTION("CAN Identifier comparison network helpers");

ematch classifier to match CAN IDs embedded in skb CAN frames

>  MODULE_LICENSE("GPL");
>
>  module_init(init_em_canid);
> diff --git a/net/sched/em_cmp.c b/net/sched/em_cmp.c
> index f17b049ea530..285b36c32c16 100644
> --- a/net/sched/em_cmp.c
> +++ b/net/sched/em_cmp.c
> @@ -87,6 +87,7 @@ static void __exit exit_em_cmp(void)
>         tcf_em_unregister(&em_cmp_ops);
>  }
>
> +MODULE_DESCRIPTION("Simple packet data comparison network helpers");

ematch classifier for basic data types(8/16/32 bit) against skb data

>  MODULE_LICENSE("GPL");
>
>  module_init(init_em_cmp);
> diff --git a/net/sched/em_meta.c b/net/sched/em_meta.c
> index 09d8afd04a2a..cab43356824a 100644
> --- a/net/sched/em_meta.c
> +++ b/net/sched/em_meta.c
> @@ -1006,6 +1006,7 @@ static void __exit exit_em_meta(void)
>         tcf_em_unregister(&em_meta_ops);
>  }
>
> +MODULE_DESCRIPTION("Metadata comparison network helpers");

ematch classifier for various internal kernel metadata, skb metadata
and sk metadata

>  MODULE_LICENSE("GPL");
>
>  module_init(init_em_meta);
> diff --git a/net/sched/em_nbyte.c b/net/sched/em_nbyte.c
> index a83b237cbeb0..34c6e8c8b695 100644
> --- a/net/sched/em_nbyte.c
> +++ b/net/sched/em_nbyte.c
> @@ -68,6 +68,7 @@ static void __exit exit_em_nbyte(void)
>         tcf_em_unregister(&em_nbyte_ops);
>  }
>
> +MODULE_DESCRIPTION("Multi byte comparison network helpers");

ematch classifier for arbitrary skb multi-bytes

>  MODULE_LICENSE("GPL");
>
>  module_init(init_em_nbyte);
> diff --git a/net/sched/em_text.c b/net/sched/em_text.c
> index f176afb70559..7a89db8e5409 100644
> --- a/net/sched/em_text.c
> +++ b/net/sched/em_text.c
> @@ -147,6 +147,7 @@ static void __exit exit_em_text(void)
>         tcf_em_unregister(&em_text_ops);
>  }
>
> +MODULE_DESCRIPTION("Textsearch comparison network helpers");

ematch classifier for embedded text in skbs

>  MODULE_LICENSE("GPL");
>
>  module_init(init_em_text);
> diff --git a/net/sched/em_u32.c b/net/sched/em_u32.c
> index 71b070da0437..ea32e4e12a99 100644
> --- a/net/sched/em_u32.c
> +++ b/net/sched/em_u32.c
> @@ -52,6 +52,7 @@ static void __exit exit_em_u32(void)
>         tcf_em_unregister(&em_u32_ops);
>  }
>
> +MODULE_DESCRIPTION("U32 Key comparison network helpers");

ematch skb classifier using 32 bit chunks of data

>  MODULE_LICENSE("GPL");
>
>  module_init(init_em_u32);
> --
> 2.39.3
>