summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorKohei Enju <enjuk@amazon.com>2025-09-29 14:42:15 +0900
committerJakub Kicinski <kuba@kernel.org>2025-09-29 18:33:27 -0700
commit8425161ac1204d2185e0a10f5ae652bae75d2451 (patch)
treeb321372df25096d8752567501380b7d8bd55824c
parentb9bd25f47eb79c9eb275e3d9ac3983dc88577dd4 (diff)
nfp: fix RSS hash key size when RSS is not supported
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>
-rw-r--r--drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c2
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 a36215195923..16c828dd5c1a 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c
@@ -1788,7 +1788,7 @@ 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);
}