From: Wei Fang Date: Thu, 26 Mar 2026 07:52:33 +0000 (+0800) Subject: net: enetc: do not allow VF to configure the RSS key X-Git-Tag: v7.0-rc7~28^2~32^2 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a142d139168cce8d5776245b5494c7f7f5d7fb7d;p=thirdparty%2Fkernel%2Flinux.git net: enetc: do not allow VF to configure the RSS key VFs do not have privilege to configure the RSS key because the registers are owned by the PF. Currently, if VF attempts to configure the RSS key, enetc_set_rxfh() simply skips the configuration and does not generate a warning, which may mislead users into thinking the feature is supported. To improve this situation, add a check to reject RSS key configuration on VFs. Fixes: d382563f541b ("enetc: Add RFS and RSS support") Signed-off-by: Wei Fang Reviewed-by: Clark Wang Reviewed-by: Claudiu Manoil Link: https://patch.msgid.link/20260326075233.3628047-3-wei.fang@nxp.com Signed-off-by: Jakub Kicinski --- diff --git a/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c b/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c index a393647e6062..7c17acaf7a38 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c +++ b/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c @@ -800,8 +800,12 @@ static int enetc_set_rxfh(struct net_device *ndev, return -EOPNOTSUPP; /* set hash key, if PF */ - if (rxfh->key && enetc_si_is_pf(si)) + if (rxfh->key) { + if (!enetc_si_is_pf(si)) + return -EOPNOTSUPP; + enetc_set_rss_key(si, rxfh->key); + } /* set RSS table */ if (rxfh->indir)