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* [PATCH 4/8] net: rps: use proto_ports_offset() to handle the AH message correctly
@ 2010-08-18  5:04 Changli Gao
  2010-08-20  0:16 ` David Miller
  0 siblings, 1 reply; 2+ messages in thread
From: Changli Gao @ 2010-08-18  5:04 UTC (permalink / raw)
  To: David S. Miller; +Cc: netdev, Changli Gao

The SPI isn't at the beginning of an AH message.

Signed-off-by: Changli Gao <xiaosuo@gmail.com>
---
 net/core/dev.c |   23 +++++++----------------
 1 file changed, 7 insertions(+), 16 deletions(-)
diff --git a/net/core/dev.c b/net/core/dev.c
index b7c5309..ba248f4 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2266,7 +2266,7 @@ static inline void ____napi_schedule(struct softnet_data *sd,
  */
 __u32 __skb_get_rxhash(struct sk_buff *skb)
 {
-	int nhoff, hash = 0;
+	int nhoff, hash = 0, poff;
 	struct ipv6hdr *ip6;
 	struct iphdr *ip;
 	u8 ip_proto;
@@ -2306,24 +2306,15 @@ __u32 __skb_get_rxhash(struct sk_buff *skb)
 		goto done;
 	}
 
-	switch (ip_proto) {
-	case IPPROTO_TCP:
-	case IPPROTO_UDP:
-	case IPPROTO_DCCP:
-	case IPPROTO_ESP:
-	case IPPROTO_AH:
-	case IPPROTO_SCTP:
-	case IPPROTO_UDPLITE:
-		if (pskb_may_pull(skb, (ihl * 4) + 4 + nhoff)) {
-			ports.v32 = * (__force u32 *) (skb->data + nhoff +
-						       (ihl * 4));
+	ports.v32 = 0;
+	poff = proto_ports_offset(ip_proto);
+	if (poff >= 0) {
+		nhoff += ihl * 4 + poff;
+		if (pskb_may_pull(skb, nhoff + 4)) {
+			ports.v32 = * (__force u32 *) (skb->data + nhoff);
 			if (ports.v16[1] < ports.v16[0])
 				swap(ports.v16[0], ports.v16[1]);
-			break;
 		}
-	default:
-		ports.v32 = 0;
-		break;
 	}
 
 	/* get a consistent hash (same value on both flow directions) */

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH 4/8] net: rps: use proto_ports_offset() to handle the AH message correctly
  2010-08-18  5:04 [PATCH 4/8] net: rps: use proto_ports_offset() to handle the AH message correctly Changli Gao
@ 2010-08-20  0:16 ` David Miller
  0 siblings, 0 replies; 2+ messages in thread
From: David Miller @ 2010-08-20  0:16 UTC (permalink / raw)
  To: xiaosuo; +Cc: netdev

From: Changli Gao <xiaosuo@gmail.com>
Date: Wed, 18 Aug 2010 13:04:32 +0800

> The SPI isn't at the beginning of an AH message.
> 
> Signed-off-by: Changli Gao <xiaosuo@gmail.com>

Applied.

^ permalink raw reply	[flat|nested] 2+ messages in thread

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