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net: aquantia: add support of RSS configuration

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Add support of configuration of RSS hash key and RSS indirection table.

Signed-off-by: Dmitry Bogdanov <dmitry.bogdanov@aquantia.com>
Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dmitry Bogdanov 2018-12-07 14:00:22 +00:00 committed by David S. Miller
parent a8c69ca792
commit 391637676f
1 changed files with 36 additions and 0 deletions
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36
drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c
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@ -202,6 +202,41 @@ static int aq_ethtool_get_rss(struct net_device *ndev, u32 *indir, u8 *key,
return 0;
}
static int aq_ethtool_set_rss(struct net_device *netdev, const u32 *indir,
const u8 *key, const u8 hfunc)
{
struct aq_nic_s *aq_nic = netdev_priv(netdev);
struct aq_nic_cfg_s *cfg;
unsigned int i = 0U;
u32 rss_entries;
int err = 0;
cfg = aq_nic_get_cfg(aq_nic);
rss_entries = cfg->aq_rss.indirection_table_size;
/* We do not allow change in unsupported parameters */
if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
return -EOPNOTSUPP;
/* Fill out the redirection table */
if (indir)
for (i = 0; i < rss_entries; i++)
cfg->aq_rss.indirection_table[i] = indir[i];
/* Fill out the rss hash key */
if (key) {
memcpy(cfg->aq_rss.hash_secret_key, key,
sizeof(cfg->aq_rss.hash_secret_key));
err = aq_nic->aq_hw_ops->hw_rss_hash_set(aq_nic->aq_hw,
&cfg->aq_rss);
if (err)
return err;
}
err = aq_nic->aq_hw_ops->hw_rss_set(aq_nic->aq_hw, &cfg->aq_rss);
return err;
}
static int aq_ethtool_get_rxnfc(struct net_device *ndev,
struct ethtool_rxnfc *cmd,
u32 *rule_locs)
@ -549,6 +584,7 @@ const struct ethtool_ops aq_ethtool_ops = {
.set_pauseparam = aq_ethtool_set_pauseparam,
.get_rxfh_key_size = aq_ethtool_get_rss_key_size,
.get_rxfh = aq_ethtool_get_rss,
.set_rxfh = aq_ethtool_set_rss,
.get_rxnfc = aq_ethtool_get_rxnfc,
.set_rxnfc = aq_ethtool_set_rxnfc,
.get_sset_count = aq_ethtool_get_sset_count,