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-rw-r--r--drivers/net/ethernet/intel/idpf/idpf_ethtool.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/net/ethernet/intel/idpf/idpf_ethtool.c b/drivers/net/ethernet/intel/idpf/idpf_ethtool.c
index 7000f6283a33..2efa3c08aba5 100644
--- a/drivers/net/ethernet/intel/idpf/idpf_ethtool.c
+++ b/drivers/net/ethernet/intel/idpf/idpf_ethtool.c
@@ -411,7 +411,10 @@ static u32 idpf_get_rxfh_indir_size(struct net_device *netdev)
* @netdev: network interface device structure
* @rxfh: pointer to param struct (indir, key, hfunc)
*
- * Reads the indirection table directly from the hardware. Always returns 0.
+ * RSS LUT and Key information are read from driver's cached
+ * copy. When rxhash is off, rss lut will be displayed as zeros.
+ *
+ * Return: 0 on success, -errno otherwise.
*/
static int idpf_get_rxfh(struct net_device *netdev,
struct ethtool_rxfh_param *rxfh)
@@ -419,10 +422,13 @@ static int idpf_get_rxfh(struct net_device *netdev,
struct idpf_netdev_priv *np = netdev_priv(netdev);
struct idpf_rss_data *rss_data;
struct idpf_adapter *adapter;
+ struct idpf_vport *vport;
+ bool rxhash_ena;
int err = 0;
u16 i;
idpf_vport_ctrl_lock(netdev);
+ vport = idpf_netdev_to_vport(netdev);
adapter = np->adapter;
@@ -432,9 +438,8 @@ static int idpf_get_rxfh(struct net_device *netdev,
}
rss_data = &adapter->vport_config[np->vport_idx]->user_config.rss_data;
- if (!test_bit(IDPF_VPORT_UP, np->state))
- goto unlock_mutex;
+ rxhash_ena = idpf_is_feature_ena(vport, NETIF_F_RXHASH);
rxfh->hfunc = ETH_RSS_HASH_TOP;
if (rxfh->key)
@@ -442,7 +447,7 @@ static int idpf_get_rxfh(struct net_device *netdev,
if (rxfh->indir) {
for (i = 0; i < rss_data->rss_lut_size; i++)
- rxfh->indir[i] = rss_data->rss_lut[i];
+ rxfh->indir[i] = rxhash_ena ? rss_data->rss_lut[i] : 0;
}
unlock_mutex:
@@ -482,8 +487,6 @@ static int idpf_set_rxfh(struct net_device *netdev,
}
rss_data = &adapter->vport_config[vport->idx]->user_config.rss_data;
- if (!test_bit(IDPF_VPORT_UP, np->state))
- goto unlock_mutex;
if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE &&
rxfh->hfunc != ETH_RSS_HASH_TOP) {
@@ -499,7 +502,8 @@ static int idpf_set_rxfh(struct net_device *netdev,
rss_data->rss_lut[lut] = rxfh->indir[lut];
}
- err = idpf_config_rss(vport);
+ if (test_bit(IDPF_VPORT_UP, np->state))
+ err = idpf_config_rss(vport);
unlock_mutex:
idpf_vport_ctrl_unlock(netdev);