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| author | Kohei Enju <enjuk@amazon.com> | 2025-09-29 14:42:15 +0900 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-10-15 11:56:38 +0200 |
| commit | 91efa3b1b276a9c921a817ccea49ef5073792328 (patch) | |
| tree | ac59f6c714ff0445b8047c3451b85e29bc20d7f1 | |
| parent | c893b0112070bd7073acb6fbca787447c37298d5 (diff) | |
| download | linux-91efa3b1b276a9c921a817ccea49ef5073792328.tar.gz linux-91efa3b1b276a9c921a817ccea49ef5073792328.tar.bz2 linux-91efa3b1b276a9c921a817ccea49ef5073792328.zip | |
nfp: fix RSS hash key size when RSS is not supported
[ Upstream commit 8425161ac1204d2185e0a10f5ae652bae75d2451 ]
The nfp_net_get_rxfh_key_size() function returns -EOPNOTSUPP when
devices don't support RSS, and callers treat the negative value as a
large positive value since the return type is u32.
Return 0 when devices don't support RSS, aligning with the ethtool
interface .get_rxfh_key_size() that requires returning 0 in such cases.
Fixes: 9ff304bfaf58 ("nfp: add support for reporting CRC32 hash function")
Signed-off-by: Kohei Enju <enjuk@amazon.com>
Link: https://patch.msgid.link/20250929054230.68120-1-enjuk@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c index af376b900067..7ee919201985 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c @@ -1409,7 +1409,7 @@ static u32 nfp_net_get_rxfh_key_size(struct net_device *netdev) struct nfp_net *nn = netdev_priv(netdev); if (!(nn->cap & NFP_NET_CFG_CTRL_RSS_ANY)) - return -EOPNOTSUPP; + return 0; return nfp_net_rss_key_sz(nn); } |