diff options
| author | Jakub Kicinski <jakub.kicinski@netronome.com> | 2016-11-03 20:11:57 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-11-04 21:56:14 +0300 |
| commit | 81cc2e434a9e8514bfad030683f7464c26306e35 (patch) | |
| tree | c92756b999af6cd6ce05d456d8989120d7615951 | |
| parent | 013724e9a2d748fecc8e45b8329a2b8a78c4a650 (diff) | |
| download | linux-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>
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c | 16 |
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) |