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-rw-r--r--include/linux/ethtool.h7
1 files changed, 3 insertions, 4 deletions
diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index 30a4f9083a44..b5d189367a02 100644
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h
@@ -456,7 +456,9 @@ struct ethtool_flow_ext {
* includes the %FLOW_EXT flag.
* @ring_cookie: RX ring/queue index to deliver to, or %RX_CLS_FLOW_DISC
* if packets should be discarded
- * @location: Location of rule in the table
+ * @location: Location of rule in the table. Locations must be
+ * numbered such that a flow matching multiple rules will be
+ * classified according to the first (lowest numbered) rule.
*/
struct ethtool_rx_flow_spec {
__u32 flow_type;
@@ -502,9 +504,6 @@ struct ethtool_rx_flow_spec {
*
* For %ETHTOOL_SRXCLSRLDEL, @fs.@location specifies the location of an
* existing rule on entry.
- *
- * Implementation of indexed classification rules generally requires a
- * TCAM.
*/
struct ethtool_rxnfc {
__u32 cmd;