netdev - [patch net-next-2.6] net: comment rx

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Date:	Sat, 5 Mar 2011 16:13:32 +0100
From:	Jiri Pirko <jpirko@...hat.com>
To:	Ben Hutchings <bhutchings@...arflare.com>
Cc:	netdev@...r.kernel.org, davem@...emloft.net,
	shemminger@...ux-foundation.org, kaber@...sh.net, fubar@...ibm.com,
	eric.dumazet@...il.com, nicolas.2p.debian@...il.com,
	andy@...yhouse.net
Subject: [patch net-next-2.6] net: comment rx_handler results


Signed-off-by: Jiri Pirko <jpirko@...hat.com>
---
 include/linux/netdevice.h |   12 ++++++++----
 1 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 48a9638..26e03f9 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -391,10 +391,14 @@ enum gro_result {
 typedef enum gro_result gro_result_t;
 
 enum rx_handler_result {
-	RX_HANDLER_CONSUMED,
-	RX_HANDLER_ANOTHER,
-	RX_HANDLER_EXACT,
-	RX_HANDLER_PASS,
+	RX_HANDLER_CONSUMED,	/* skb was consumed by rx_handler,
+				   do not process it further. */
+	RX_HANDLER_ANOTHER,	/* Do another round in receive path.
+				   This is indicated in case skb->dev
+				   was changed by rx_handler */
+	RX_HANDLER_EXACT,	/* Force exact delivery, no wildcard */
+	RX_HANDLER_PASS,	/* Do nothing, pass the skb as if
+				   no rx_handler was called */
 };
 typedef enum rx_handler_result rx_handler_result_t;
 typedef rx_handler_result_t rx_handler_func_t(struct sk_buff **pskb);
-- 
1.7.4

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