diff options
Diffstat (limited to 'drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c | 35 |
1 files changed, 22 insertions, 13 deletions
diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c b/drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c index cf253df7f3b2..a5209707bcf3 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c +++ b/drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c @@ -634,25 +634,34 @@ static int i40evf_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc) { struct i40evf_adapter *adapter = netdev_priv(netdev); - struct i40e_hw *hw = &adapter->hw; - u32 hlut_val; - int i, j; + struct i40e_vsi *vsi = &adapter->vsi; + u8 *seed = NULL, *lut; + int ret; + u16 i; if (hfunc) *hfunc = ETH_RSS_HASH_TOP; if (!indir) return 0; - if (indir) { - for (i = 0, j = 0; i <= I40E_VFQF_HLUT_MAX_INDEX; i++) { - hlut_val = rd32(hw, I40E_VFQF_HLUT(i)); - indir[j++] = hlut_val & 0xff; - indir[j++] = (hlut_val >> 8) & 0xff; - indir[j++] = (hlut_val >> 16) & 0xff; - indir[j++] = (hlut_val >> 24) & 0xff; - } - } - return 0; + seed = key; + + lut = kzalloc(I40EVF_HLUT_ARRAY_SIZE, GFP_KERNEL); + if (!lut) + return -ENOMEM; + + ret = i40evf_get_rss(vsi, seed, lut, I40EVF_HLUT_ARRAY_SIZE); + if (ret) + goto out; + + /* Each 32 bits pointed by 'indir' is stored with a lut entry */ + for (i = 0; i < I40EVF_HLUT_ARRAY_SIZE; i++) + indir[i] = (u32)lut[i]; + +out: + kfree(lut); + + return ret; } /** |