ethtool: Support for configurable RSS hash key
This ethtool patch primarily copies the ioctl command data structures
from/to the User space and invokes the driver hook.
Signed-off-by: Venkat Duvvuru <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index 0a114d0..212f537 100644
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h
@@ -154,13 +154,23 @@
* @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 not be called if @get_rxfh_indir_size and @get_rxfh_key_size
+ * returns 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
+ * hash key.
+ * Will not be called if @get_rxfh_indir_size and @get_rxfh_key_size
+ * returns 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
@@ -232,7 +242,10 @@
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)(struct net_device *, u32 *, u8 *);
+ int (*set_rxfh)(struct net_device *, u32 *, u8 *);
int (*get_rxfh_indir)(struct net_device *, u32 *);
int (*set_rxfh_indir)(struct net_device *, const u32 *);
void (*get_channels)(struct net_device *, struct ethtool_channels *);
