diff options
| -rw-r--r-- | drivers/net/ethernet/sfc/falcon/ethtool.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/net/ethernet/sfc/falcon/ethtool.c b/drivers/net/ethernet/sfc/falcon/ethtool.c index 6685e71ab13f..27d1cd6f24ca 100644 --- a/drivers/net/ethernet/sfc/falcon/ethtool.c +++ b/drivers/net/ethernet/sfc/falcon/ethtool.c @@ -948,9 +948,16 @@ ef4_ethtool_get_rxfh_fields(struct net_device *net_dev, struct ethtool_rxfh_fields *info) { struct ef4_nic *efx = netdev_priv(net_dev); - unsigned int min_revision = 0; info->data = 0; + /* Falcon A0 and A1 had a 4-tuple hash for TCP and UDP, but it was + * broken so we do not enable it. + * Falcon B0 adds a Toeplitz hash, 4-tuple for TCP and 2-tuple for + * other IPv4, including UDP. + * See falcon_init_rx_cfg(). + */ + if (ef4_nic_rev(efx) < EF4_REV_FALCON_B0) + return 0; switch (info->flow_type) { case TCP_V4_FLOW: info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; @@ -960,13 +967,10 @@ ef4_ethtool_get_rxfh_fields(struct net_device *net_dev, case AH_ESP_V4_FLOW: case IPV4_FLOW: info->data |= RXH_IP_SRC | RXH_IP_DST; - min_revision = EF4_REV_FALCON_B0; break; default: break; } - if (ef4_nic_rev(efx) < min_revision) - info->data = 0; return 0; } |