Commit d389954a authored by Wei Fang's avatar Wei Fang Committed by Jakub Kicinski
Browse files

net: enetc: check whether the RSS algorithm is Toeplitz 



Both ENETC v1 and v4 only provide Toeplitz RSS support. This patch adds
a validation check to reject attempts to configure other RSS algorithms,
avoiding misleading configuration options for users.

Fixes: d382563f ("enetc: Add RFS and RSS support")
Signed-off-by: default avatarWei Fang <wei.fang@nxp.com>
Reviewed-by: default avatarClark Wang <xiaoning.wang@nxp.com>
Reviewed-by: default avatarClaudiu Manoil <claudiu.manoil@nxp.com>
Link: https://patch.msgid.link/20260326075233.3628047-2-wei.fang@nxp.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent eeee5a71

drivers/net/ethernet/freescale/enetc/enetc_ethtool.c

+4 −0
Original line number Diff line number Diff line
@@ -795,6 +795,10 @@ static int enetc_set_rxfh(struct net_device *ndev, 
	struct enetc_si *si = priv->si;

	int err = 0;



	if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE &&

	    rxfh->hfunc != ETH_RSS_HASH_TOP)

		return -EOPNOTSUPP;



	/* set hash key, if PF */

	if (rxfh->key && enetc_si_is_pf(si))

		enetc_set_rss_key(si, rxfh->key);