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net: enetc: check whether the RSS algorithm is Toeplitz

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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: d382563f54 ("enetc: Add RFS and RSS support")
Signed-off-by: Wei Fang <wei.fang@nxp.com>
Reviewed-by: Clark Wang <xiaoning.wang@nxp.com>
Reviewed-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Link: https://patch.msgid.link/20260326075233.3628047-2-wei.fang@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Wei Fang
2026-03-26 15:52:32 +08:00
committed by Jakub Kicinski
parent eeee5a710f
commit d389954a6c
1 changed files with 4 additions and 0 deletions
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4
drivers/net/ethernet/freescale/enetc/enetc_ethtool.c
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@@ -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);