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From: Jakub Kicinski <kuba@kernel.org>
To: Heng Qi <hengqi@linux.alibaba.com>
Cc: netdev@vger.kernel.org, virtualization@lists.linux.dev,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Paolo Abeni <pabeni@redhat.com>, Jason Wang <jasowang@redhat.com>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	Ratheesh Kannoth <rkannoth@marvell.com>,
	Alexander Lobakin <aleksander.lobakin@intel.com>,
	Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Subject: Re: [PATCH net-next v4 1/4] ethtool: provide customized dim profile management
Date: Mon, 8 Apr 2024 12:13:24 -0700	[thread overview]
Message-ID: <20240408121324.01dc4893@kernel.org> (raw)
In-Reply-To: <1712547870-112976-2-git-send-email-hengqi@linux.alibaba.com>

On Mon,  8 Apr 2024 11:44:27 +0800 Heng Qi wrote:
> +	nla_for_each_nested(nest, nests, rem) {
> +		if (WARN_ONCE(nla_type(nest) != ETHTOOL_A_MODERATIONS_MODERATION,
> +			      "unexpected nest attrtype %u\n", nla_type(nest)))

Maybe just use the newly added nla_for_each_nested_type() 

> +			return;
> +
> +		ret = nla_parse_nested(tb_moder,
> +				       ARRAY_SIZE(coalesce_set_profile_policy) - 1,
> +				       nest, coalesce_set_profile_policy,
> +				       extack);
> +		if (ret ||

if parsing failed it will set the right error and extack, just return
the error

> +		    !tb_moder[ETHTOOL_A_MODERATION_USEC] ||
> +		    !tb_moder[ETHTOOL_A_MODERATION_PKTS] ||
> +		    !tb_moder[ETHTOOL_A_MODERATION_COMPS]) {

If you miss an attr you should use NL_SET_ERR_ATTR_MISS() or such.

> +			NL_SET_ERR_MSG(extack, "wrong ETHTOOL_A_MODERATION_* attribute\n");

no new line at the end of the exact string

  parent reply	other threads:[~2024-04-08 19:13 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-08  3:44 [PATCH net-next v4 0/4] ethtool: provide the dim profile fine-tuning channel Heng Qi
2024-04-08  3:44 ` [PATCH net-next v4 1/4] ethtool: provide customized dim profile management Heng Qi
2024-04-08 19:09   ` Jakub Kicinski
2024-04-08 19:13   ` Jakub Kicinski [this message]
2024-04-09  8:38     ` Heng Qi
2024-04-08  3:44 ` [PATCH net-next v4 2/4] linux/dim: move profiles from .c to .h file Heng Qi
2024-04-08  3:44 ` [PATCH net-next v4 3/4] virtio-net: refactor dim initialization/destruction Heng Qi
2024-04-08  3:44 ` [PATCH net-next v4 4/4] virtio-net: support dim profile fine-tuning Heng Qi

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