diff options
| author |   Todd Fujinaka <todd.fujinaka@intel.com> | 2015-06-04 14:26:56 -0700 |
|---|---|---|
| committer |   Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2015-07-23 05:06:14 -0700 |
| commit | 0c5bbeb8839172990e3b8aa82ae3c166e85a09bc (patch) | |
| tree | 0bcb7d1ec7fa5a72c97060b51066cc5cf1a2c610 /drivers/net/ethernet/intel/igb | |
| parent | e1000e: Cleanup qos request in error handling of e1000_open (diff) | |
| download | linux-dev-0c5bbeb8839172990e3b8aa82ae3c166e85a09bc.tar.xz linux-dev-0c5bbeb8839172990e3b8aa82ae3c166e85a09bc.zip | |
igb: report unsupported ethtool settings in set_coalesce
There are many settings possible using ethtool -C/--coalesce, but not
all of them are supported in igb. Report failure when an unsupported
option is set.
Signed-off-by: Todd Fujinaka <todd.fujinaka@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/igb')
| -rw-r--r-- | drivers/net/ethernet/intel/igb/igb_ethtool.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c index 109cad928e71..b7b9c670bb3c 100644 --- a/drivers/net/ethernet/intel/igb/igb_ethtool.c +++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c @@ -2159,6 +2159,27 @@ static int igb_set_coalesce(struct net_device *netdev, struct igb_adapter *adapter = netdev_priv(netdev); int i; + if (ec->rx_max_coalesced_frames || + ec->rx_coalesce_usecs_irq || + ec->rx_max_coalesced_frames_irq || + ec->tx_max_coalesced_frames || + ec->tx_coalesce_usecs_irq || + ec->stats_block_coalesce_usecs || + ec->use_adaptive_rx_coalesce || + ec->use_adaptive_tx_coalesce || + ec->pkt_rate_low || + ec->rx_coalesce_usecs_low || + ec->rx_max_coalesced_frames_low || + ec->tx_coalesce_usecs_low || + ec->tx_max_coalesced_frames_low || + ec->pkt_rate_high || + ec->rx_coalesce_usecs_high || + ec->rx_max_coalesced_frames_high || + ec->tx_coalesce_usecs_high || + ec->tx_max_coalesced_frames_high || + ec->rate_sample_interval) + return -ENOTSUPP; + if ((ec->rx_coalesce_usecs > IGB_MAX_ITR_USECS) || ((ec->rx_coalesce_usecs > 3) && (ec->rx_coalesce_usecs < IGB_MIN_ITR_USECS)) || |