diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c index f7aeb560a504..b0cc439d7b01 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c @@ -2868,6 +2868,14 @@ static int ixgbe_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd) return ret; } +static int ixgbe_rss_indir_tbl_max(struct ixgbe_adapter *adapter) +{ + if (adapter->hw.mac.type < ixgbe_mac_X550) + return 16; + else + return 64; +} + static u32 ixgbe_get_rxfh_key_size(struct net_device *netdev) { struct ixgbe_adapter *adapter = netdev_priv(netdev); @@ -2907,6 +2915,44 @@ static int ixgbe_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, return 0; } +static int ixgbe_set_rxfh(struct net_device *netdev, const u32 *indir, + const u8 *key, const u8 hfunc) +{ + struct ixgbe_adapter *adapter = netdev_priv(netdev); + int i; + u32 reta_entries = ixgbe_rss_indir_tbl_entries(adapter); + + if (hfunc) + return -EINVAL; + + /* Fill out the redirection table */ + if (indir) { + int max_queues = min_t(int, adapter->num_rx_queues, + ixgbe_rss_indir_tbl_max(adapter)); + + /*Allow at least 2 queues w/ SR-IOV.*/ + if ((adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) && + (max_queues < 2)) + max_queues = 2; + + /* Verify user input. */ + for (i = 0; i < reta_entries; i++) + if (indir[i] >= max_queues) + return -EINVAL; + + for (i = 0; i < reta_entries; i++) + adapter->rss_indir_tbl[i] = indir[i]; + } + + /* Fill out the rss hash key */ + if (key) + memcpy(adapter->rss_key, key, ixgbe_get_rxfh_key_size(netdev)); + + ixgbe_store_reta(adapter); + + return 0; +} + static int ixgbe_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info) { @@ -3159,6 +3205,7 @@ static const struct ethtool_ops ixgbe_ethtool_ops = { .get_rxfh_indir_size = ixgbe_rss_indir_size, .get_rxfh_key_size = ixgbe_get_rxfh_key_size, .get_rxfh = ixgbe_get_rxfh, + .set_rxfh = ixgbe_set_rxfh, .get_channels = ixgbe_get_channels, .set_channels = ixgbe_set_channels, .get_ts_info = ixgbe_get_ts_info, |