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authorJakub Kicinski <jakub.kicinski@netronome.com>2016-11-03 20:11:57 +0300
committerDavid S. Miller <davem@davemloft.net>2016-11-04 21:56:14 +0300
commit81cc2e434a9e8514bfad030683f7464c26306e35 (patch)
treec92756b999af6cd6ce05d456d8989120d7615951 /drivers/net/ethernet/netronome
parent013724e9a2d748fecc8e45b8329a2b8a78c4a650 (diff)
downloadlinux-81cc2e434a9e8514bfad030683f7464c26306e35.tar.xz
nfp: add support for ethtool .get_channels
Report number of rings via ethtool .get_channels API. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/netronome')
-rw-r--r--drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c
index 3418f2277e9d..a7386d1b2883 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c
@@ -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)