@@ -167,6 +167,55 @@ static int fbnic_get_rxnfc(struct net_device *netdev,
return ret;
}
+#define FBNIC_L2_HASH_OPTIONS \
+ (RXH_L2DA | RXH_DISCARD)
+#define FBNIC_L3_HASH_OPTIONS \
+ (FBNIC_L2_HASH_OPTIONS | RXH_IP_SRC | RXH_IP_DST)
+#define FBNIC_L4_HASH_OPTIONS \
+ (FBNIC_L3_HASH_OPTIONS | RXH_L4_B_0_1 | RXH_L4_B_2_3)
+
+static int
+fbnic_set_rss_hash_opts(struct fbnic_net *fbn, const struct ethtool_rxnfc *cmd)
+{
+ int hash_opt_idx;
+
+ /* Verify the type requested is correct */
+ hash_opt_idx = fbnic_get_rss_hash_idx(cmd->flow_type);
+ if (hash_opt_idx < 0)
+ return -EINVAL;
+
+ /* Verify the fields asked for can actually be assigned based on type */
+ if (cmd->data & ~FBNIC_L4_HASH_OPTIONS ||
+ (hash_opt_idx > FBNIC_L4_HASH_OPT &&
+ cmd->data & ~FBNIC_L3_HASH_OPTIONS) ||
+ (hash_opt_idx > FBNIC_IP_HASH_OPT &&
+ cmd->data & ~FBNIC_L2_HASH_OPTIONS))
+ return -EINVAL;
+
+ fbn->rss_flow_hash[hash_opt_idx] = cmd->data;
+
+ if (netif_running(fbn->netdev)) {
+ fbnic_rss_reinit(fbn->fbd, fbn);
+ fbnic_write_rules(fbn->fbd);
+ }
+
+ return 0;
+}
+
+static int fbnic_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
+{
+ struct fbnic_net *fbn = netdev_priv(netdev);
+ int ret = -EOPNOTSUPP;
+
+ switch (cmd->cmd) {
+ case ETHTOOL_SRXFH:
+ ret = fbnic_set_rss_hash_opts(fbn, cmd);
+ break;
+ }
+
+ return ret;
+}
+
static u32 fbnic_get_rxfh_key_size(struct net_device *netdev)
{
return FBNIC_RPC_RSS_KEY_BYTE_LEN;
@@ -363,6 +412,7 @@ static const struct ethtool_ops fbnic_ethtool_ops = {
.get_ethtool_stats = fbnic_get_ethtool_stats,
.get_sset_count = fbnic_get_sset_count,
.get_rxnfc = fbnic_get_rxnfc,
+ .set_rxnfc = fbnic_set_rxnfc,
.get_rxfh_key_size = fbnic_get_rxfh_key_size,
.get_rxfh_indir_size = fbnic_get_rxfh_indir_size,
.get_rxfh = fbnic_get_rxfh,