return -EOPNOTSUPP;
create = rxfh.rss_context == ETH_RXFH_CONTEXT_ALLOC;
- /* If either indir, hash key or function is valid, proceed further.
- * Must request at least one change: indir size, hash key, function
- * or input transformation.
- */
if ((rxfh.indir_size &&
rxfh.indir_size != ETH_RXFH_INDIR_NO_CHANGE &&
rxfh.indir_size != dev_indir_size) ||
- (rxfh.key_size && (rxfh.key_size != dev_key_size)) ||
+ (rxfh.key_size && rxfh.key_size != dev_key_size))
+ return -EINVAL;
+
+ /* Must request at least one change: indir size, hash key, function
+ * or input transformation.
+ * There's no need for any of it in case of context creation.
+ */
+ if (!create &&
(rxfh.indir_size == ETH_RXFH_INDIR_NO_CHANGE &&
rxfh.key_size == 0 && rxfh.hfunc == ETH_RSS_HASH_NO_CHANGE &&
rxfh.input_xfrm == RXH_XFRM_NO_CHANGE))