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| author | Andrey Turkin <andrey.turkin@gmail.com> | 2022-07-19 07:29:55 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2022-07-20 12:21:15 +0300 |
| commit | ffcdd1197da61fd86528e41ea7d5cdb043761087 (patch) | |
| tree | 4d3d4439da79a0a212bbcc292d3c21939bf1309c | |
| parent | 50ad649dd760e4ead0711c2e2e8996815149c663 (diff) | |
| download | linux-ffcdd1197da61fd86528e41ea7d5cdb043761087.tar.xz | |
vmxnet3: Implement ethtool's get_channels command
Some tools (e.g. libxdp) use that information.
Signed-off-by: Andrey Turkin <andrey.turkin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/vmxnet3/vmxnet3_ethtool.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/net/vmxnet3/vmxnet3_ethtool.c b/drivers/net/vmxnet3/vmxnet3_ethtool.c index c3eaf1b864ed..e2034adc3a1a 100644 --- a/drivers/net/vmxnet3/vmxnet3_ethtool.c +++ b/drivers/net/vmxnet3/vmxnet3_ethtool.c @@ -1292,6 +1292,34 @@ done: return 0; } +static void vmxnet3_get_channels(struct net_device *netdev, + struct ethtool_channels *ec) +{ + struct vmxnet3_adapter *adapter = netdev_priv(netdev); + + if (IS_ENABLED(CONFIG_PCI_MSI) && adapter->intr.type == VMXNET3_IT_MSIX) { + if (adapter->share_intr == VMXNET3_INTR_BUDDYSHARE) { + ec->combined_count = adapter->num_tx_queues; + } else { + ec->rx_count = adapter->num_rx_queues; + ec->tx_count = + adapter->share_intr == VMXNET3_INTR_TXSHARE ? + 1 : adapter->num_tx_queues; + } + } else { + ec->combined_count = 1; + } + + ec->other_count = 1; + + /* Number of interrupts cannot be changed on the fly */ + /* Just set maximums to actual values */ + ec->max_rx = ec->rx_count; + ec->max_tx = ec->tx_count; + ec->max_combined = ec->combined_count; + ec->max_other = ec->other_count; +} + static const struct ethtool_ops vmxnet3_ethtool_ops = { .supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS | ETHTOOL_COALESCE_MAX_FRAMES | @@ -1317,6 +1345,7 @@ static const struct ethtool_ops vmxnet3_ethtool_ops = { .set_rxfh = vmxnet3_set_rss, #endif .get_link_ksettings = vmxnet3_get_link_ksettings, + .get_channels = vmxnet3_get_channels, }; void vmxnet3_set_ethtool_ops(struct net_device *netdev) |