net: netxen: let core reject the unsupported coalescing parameters
authorJakub Kicinski <kuba@kernel.org>
Fri, 13 Mar 2020 04:07:58 +0000 (21:07 -0700)
committerDavid S. Miller <davem@davemloft.net>
Sun, 15 Mar 2020 04:13:55 +0000 (21:13 -0700)
Set ethtool_ops->supported_coalesce_params to let
the core reject unsupported coalescing parameters.

As a side effect of these changes the error code for
unsupported params changes from EINVAL to EOPNOTSUPP.

The driver was missing a check for rate_sample_interval.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/qlogic/netxen/netxen_nic_ethtool.c

index 6a2d91d5896879ab42067019a2b3f963deedc210..66f45fce90fa8782333bd6fa646d4b4e691760b4 100644 (file)
@@ -748,24 +748,7 @@ static int netxen_set_intr_coalesce(struct net_device *netdev,
        if (ethcoal->rx_coalesce_usecs > 0xffff ||
                ethcoal->rx_max_coalesced_frames > 0xffff ||
                ethcoal->tx_coalesce_usecs > 0xffff ||
-               ethcoal->tx_max_coalesced_frames > 0xffff ||
-               ethcoal->rx_coalesce_usecs_irq ||
-               ethcoal->rx_max_coalesced_frames_irq ||
-               ethcoal->tx_coalesce_usecs_irq ||
-               ethcoal->tx_max_coalesced_frames_irq ||
-               ethcoal->stats_block_coalesce_usecs ||
-               ethcoal->use_adaptive_rx_coalesce ||
-               ethcoal->use_adaptive_tx_coalesce ||
-               ethcoal->pkt_rate_low ||
-               ethcoal->rx_coalesce_usecs_low ||
-               ethcoal->rx_max_coalesced_frames_low ||
-               ethcoal->tx_coalesce_usecs_low ||
-               ethcoal->tx_max_coalesced_frames_low ||
-               ethcoal->pkt_rate_high ||
-               ethcoal->rx_coalesce_usecs_high ||
-               ethcoal->rx_max_coalesced_frames_high ||
-               ethcoal->tx_coalesce_usecs_high ||
-               ethcoal->tx_max_coalesced_frames_high)
+               ethcoal->tx_max_coalesced_frames > 0xffff)
                return -EINVAL;
 
        if (!ethcoal->rx_coalesce_usecs ||
@@ -923,6 +906,8 @@ netxen_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump,
 }
 
 const struct ethtool_ops netxen_nic_ethtool_ops = {
+       .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
+                                    ETHTOOL_COALESCE_MAX_FRAMES,
        .get_drvinfo = netxen_nic_get_drvinfo,
        .get_regs_len = netxen_nic_get_regs_len,
        .get_regs = netxen_nic_get_regs,