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Commit 39163767 authored by Dmitry Bogdanov's avatar Dmitry Bogdanov Committed by David S. Miller
Browse files

net: aquantia: add support of RSS configuration 



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

Signed-off-by: default avatarDmitry Bogdanov <dmitry.bogdanov@aquantia.com>
Signed-off-by: default avatarIgor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a8c69ca7

drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c

+36 −0
Original line number Diff line number Diff line
@@ -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,