From 07af7a2bfa853db3957a22f9a41f437bf0f10e63 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Thu, 16 Sep 2010 11:34:26 +0000
Subject: ethtool: Add comments for valid use of flow types
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
include/linux/ethtool.h | 30 +++++++++++++++---------------
1 file changed, 15 insertions(+), 15 deletions(-)
diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index 00334ee..b67af60 100644
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h
@@ -841,21 +841,21 @@ struct ethtool_ops {
#define WAKE_MAGICSECURE (1 << 6) /* only meaningful if WAKE_MAGIC */
/* L3-L4 network traffic flow types */
-#define TCP_V4_FLOW 0x01
-#define UDP_V4_FLOW 0x02
-#define SCTP_V4_FLOW 0x03
-#define AH_ESP_V4_FLOW 0x04
-#define TCP_V6_FLOW 0x05
-#define UDP_V6_FLOW 0x06
-#define SCTP_V6_FLOW 0x07
-#define AH_ESP_V6_FLOW 0x08
-#define AH_V4_FLOW 0x09
-#define ESP_V4_FLOW 0x0a
-#define AH_V6_FLOW 0x0b
-#define ESP_V6_FLOW 0x0c
-#define IP_USER_FLOW 0x0d
-#define IPV4_FLOW 0x10
-#define IPV6_FLOW 0x11
+#define TCP_V4_FLOW 0x01 /* hash or spec (tcp_ip4_spec) */
+#define UDP_V4_FLOW 0x02 /* hash or spec (udp_ip4_spec) */
+#define SCTP_V4_FLOW 0x03 /* hash or spec (sctp_ip4_spec) */
+#define AH_ESP_V4_FLOW 0x04 /* hash only */
+#define TCP_V6_FLOW 0x05 /* hash only */
+#define UDP_V6_FLOW 0x06 /* hash only */
+#define SCTP_V6_FLOW 0x07 /* hash only */
+#define AH_ESP_V6_FLOW 0x08 /* hash only */
+#define AH_V4_FLOW 0x09 /* hash or spec (ah_ip4_spec) */
+#define ESP_V4_FLOW 0x0a /* hash or spec (esp_ip4_spec) */
+#define AH_V6_FLOW 0x0b /* hash only */
+#define ESP_V6_FLOW 0x0c /* hash only */
+#define IP_USER_FLOW 0x0d /* spec only (usr_ip4_spec) */
+#define IPV4_FLOW 0x10 /* hash only */
+#define IPV6_FLOW 0x11 /* hash only */
/* L3-L4 network traffic flow hash options */
#define RXH_L2DA (1 << 1)
--
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