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Commit 81cc2e43 authored by Jakub Kicinski's avatar Jakub Kicinski Committed by David S. Miller
Browse files

nfp: add support for ethtool .get_channels 



Report number of rings via ethtool .get_channels API.

Signed-off-by: default avatarJakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 013724e9

drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c

+16 −0
Original line number Diff line number Diff line
@@ -614,6 +614,21 @@ static int nfp_net_set_coalesce(struct net_device *netdev, 
	return nfp_net_reconfig(nn, NFP_NET_CFG_UPDATE_IRQMOD);

}



static void nfp_net_get_channels(struct net_device *netdev,

				 struct ethtool_channels *channel)

{

	struct nfp_net *nn = netdev_priv(netdev);



	channel->max_rx = min(nn->max_rx_rings, nn->max_r_vecs);

	channel->max_tx = min(nn->max_tx_rings, nn->max_r_vecs);

	channel->max_combined = min(channel->max_rx, channel->max_tx);

	channel->max_other = NFP_NET_NON_Q_VECTORS;

	channel->combined_count = min(nn->num_rx_rings, nn->num_tx_rings);

	channel->rx_count = nn->num_rx_rings - channel->combined_count;

	channel->tx_count = nn->num_tx_rings - channel->combined_count;

	channel->other_count = NFP_NET_NON_Q_VECTORS;

}



static const struct ethtool_ops nfp_net_ethtool_ops = {

	.get_drvinfo		= nfp_net_get_drvinfo,

	.get_link		= ethtool_op_get_link,
@@ -632,6 +647,7 @@ static const struct ethtool_ops nfp_net_ethtool_ops = { 
	.get_regs		= nfp_net_get_regs,

	.get_coalesce           = nfp_net_get_coalesce,

	.set_coalesce           = nfp_net_set_coalesce,

	.get_channels		= nfp_net_get_channels,

};



void nfp_net_set_ethtool_ops(struct net_device *netdev)