1 files changed, 15 insertions, 6 deletions

diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index 0a114d05f68d..e658229fee39 100644
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h
@@ -154,13 +154,20 @@ static inline u32 ethtool_rxfh_indir_default(u32 index, u32 n_rx_rings)
  * @reset: Reset (part of) the device, as specified by a bitmask of
  *      flags from &enum ethtool_reset_flags.  Returns a negative
  *      error code or zero.
+ * @get_rxfh_key_size: Get the size of the RX flow hash key.
+ *      Returns zero if not supported for this specific device.
  * @get_rxfh_indir_size: Get the size of the RX flow hash indirection table.
  *      Returns zero if not supported for this specific device.
- * @get_rxfh_indir: Get the contents of the RX flow hash indirection table.
- *      Will not be called if @get_rxfh_indir_size returns zero.
+ * @get_rxfh: Get the contents of the RX flow hash indirection table and hash
+ *      key.
+ *      Will only be called if one or both of @get_rxfh_indir_size and
+ *      @get_rxfh_key_size are implemented and return non-zero.
  *      Returns a negative error code or zero.
- * @set_rxfh_indir: Set the contents of the RX flow hash indirection table.
- *      Will not be called if @get_rxfh_indir_size returns zero.
+ * @set_rxfh: Set the contents of the RX flow hash indirection table and/or
+ *      hash key.  In case only the indirection table or hash key is to be
+ *      changed, the other argument will be %NULL.
+ *      Will only be called if one or both of @get_rxfh_indir_size and
+ *      @get_rxfh_key_size are implemented and return non-zero.
  *      Returns a negative error code or zero.
  * @get_channels: Get number of channels.
  * @set_channels: Set number of channels.  Returns a negative error code or
@@ -232,9 +239,11 @@ struct ethtool_ops {
         int     (*set_rxnfc)(struct net_device *, struct ethtool_rxnfc *);
         int     (*flash_device)(struct net_device *, struct ethtool_flash *);
         int     (*reset)(struct net_device *, u32 *);
+        u32     (*get_rxfh_key_size)(struct net_device *);
         u32     (*get_rxfh_indir_size)(struct net_device *);
-        int     (*get_rxfh_indir)(struct net_device *, u32 *);
-        int     (*set_rxfh_indir)(struct net_device *, const u32 *);
+        int     (*get_rxfh)(struct net_device *, u32 *indir, u8 *key);
+        int     (*set_rxfh)(struct net_device *, const u32 *indir,
+                            const u8 *key);
         void    (*get_channels)(struct net_device *, struct ethtool_channels *);
         int     (*set_channels)(struct net_device *, struct ethtool_channels *);
         int     (*get_dump_flag)(struct net_device *, struct ethtool_dump *);