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Date:   Thu, 16 Jan 2020 17:34:53 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     sunil.kovvuri@...il.com
Cc:     netdev@...r.kernel.org, davem@...emloft.net, mkubecek@...e.cz,
        Sunil Goutham <sgoutham@...vell.com>,
        Prakash Brahmajyosyula <bprakash@...vell.com>
Subject: Re: [PATCH v3 15/17] octeontx2-pf: ethtool RSS config support

On Fri, 17 Jan 2020 01:17:31 +0530, sunil.kovvuri@...il.com wrote:
> +static int otx2_set_rss_hash_opts(struct otx2_nic *pfvf,
> +				  struct ethtool_rxnfc *nfc)
> +{
> +	struct otx2_rss_info *rss = &pfvf->hw.rss_info;
> +	u32 rxh_l4 = RXH_L4_B_0_1 | RXH_L4_B_2_3;
> +	u32 rss_cfg = rss->flowkey_cfg;
> +
> +	if (!rss->enable)
> +		netdev_err(pfvf->netdev, "RSS is disabled, cmd ignored\n");

Why not return an error here like you do in otx2_set_rxfh()?

> +	/* Mimimum is IPv4 and IPv6, SIP/DIP */
> +	if (!(nfc->data & RXH_IP_SRC) || !(nfc->data & RXH_IP_DST))
> +		return -EINVAL;

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