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modules/mqnic: Implement ethtool rxfh API

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Signed-off-by: Alex Forencich <alex@alexforencich.com>
This commit is contained in:
Alex Forencich 2023-05-03 16:54:37 -07:00
parent 32db67b066
commit e76bc8128c
1 changed files with 68 additions and 0 deletions
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68
modules/mqnic/mqnic_ethtool.c
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@ -141,6 +141,70 @@ static int mqnic_set_ringparam(struct net_device *ndev,
return ret;
}
static int mqnic_get_rxnfc(struct net_device *ndev,
struct ethtool_rxnfc *rxnfc, u32 *rule_locs)
{
struct mqnic_priv *priv = netdev_priv(ndev);
switch (rxnfc->cmd) {
case ETHTOOL_GRXRINGS:
rxnfc->data = priv->rxq_count;
break;
default:
return -EOPNOTSUPP;
}
return 0;
}
static u32 mqnic_get_rxfh_indir_size(struct net_device *ndev)
{
struct mqnic_priv *priv = netdev_priv(ndev);
return priv->rx_queue_map_indir_table_size;
}
static int mqnic_get_rxfh(struct net_device *ndev, u32 *indir, u8 *key,
u8 *hfunc)
{
struct mqnic_priv *priv = netdev_priv(ndev);
int k;
if (hfunc)
*hfunc = ETH_RSS_HASH_TOP;
if (indir)
for (k = 0; k < priv->rx_queue_map_indir_table_size; k++)
indir[k] = priv->rx_queue_map_indir_table[k];
return 0;
}
static int mqnic_set_rxfh(struct net_device *ndev, const u32 *indir,
const u8 *key, const u8 hfunc)
{
struct mqnic_priv *priv = netdev_priv(ndev);
int k;
if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
return -EOPNOTSUPP;
if (!indir)
return 0;
if (indir) {
for (k = 0; k < priv->rx_queue_map_indir_table_size; k++) {
if (indir[k] >= priv->rxq_count)
return -EINVAL;
}
for (k = 0; k < priv->rx_queue_map_indir_table_size; k++)
priv->rx_queue_map_indir_table[k] = indir[k];
}
return mqnic_update_indir_table(ndev);
}
static void mqnic_get_channels(struct net_device *ndev,
struct ethtool_channels *channel)
{
@ -492,6 +556,10 @@ const struct ethtool_ops mqnic_ethtool_ops = {
.get_link = ethtool_op_get_link,
.get_ringparam = mqnic_get_ringparam,
.set_ringparam = mqnic_set_ringparam,
.get_rxnfc = mqnic_get_rxnfc,
.get_rxfh_indir_size = mqnic_get_rxfh_indir_size,
.get_rxfh = mqnic_get_rxfh,
.set_rxfh = mqnic_set_rxfh,
.get_channels = mqnic_get_channels,
.set_channels = mqnic_set_channels,
.get_ts_info = mqnic_get_ts_info,