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Message-ID: <20100824111440.37eebae1@nehalam>
Date: Tue, 24 Aug 2010 11:14:40 -0700
From: Stephen Hemminger <shemminger@...tta.com>
To: David Miller <davem@...emloft.net>
Cc: xiaosuo@...il.com, hadi@...erus.ca, tgraf@...hat.com,
netdev@...r.kernel.org
Subject: Re: [PATCH] tc: add meta match on receive hash
Trivial extension to existing meta data match rules to allow
matching on skb receive hash value.
Signed-off-by: Stephen Hemminger <shemminger@...tta.com>
---
This versions uses skb_get_rxhash()
--- a/include/linux/tc_ematch/tc_em_meta.h 2010-08-24 08:35:29.555651482 -0700
+++ b/include/linux/tc_ematch/tc_em_meta.h 2010-08-24 08:36:51.038237590 -0700
@@ -79,6 +79,7 @@ enum {
TCF_META_ID_SK_SENDMSG_OFF,
TCF_META_ID_SK_WRITE_PENDING,
TCF_META_ID_VLAN_TAG,
+ TCF_META_ID_RXHASH,
__TCF_META_ID_MAX
};
#define TCF_META_ID_MAX (__TCF_META_ID_MAX - 1)
--- a/net/sched/em_meta.c 2010-08-24 08:35:29.535662209 -0700
+++ b/net/sched/em_meta.c 2010-08-24 08:38:07.191510604 -0700
@@ -223,6 +223,11 @@ META_COLLECTOR(int_maclen)
dst->value = skb->mac_len;
}
+META_COLLECTOR(int_rxhash)
+{
+ dst->value = skb_get_rxhash(skb);
+}
+
/**************************************************************************
* Netfilter
**************************************************************************/
@@ -541,6 +546,7 @@ static struct meta_ops __meta_ops[TCF_ME
[META_ID(SK_SENDMSG_OFF)] = META_FUNC(int_sk_sendmsg_off),
[META_ID(SK_WRITE_PENDING)] = META_FUNC(int_sk_write_pend),
[META_ID(VLAN_TAG)] = META_FUNC(int_vlan_tag),
+ [META_ID(RXHASH)] = META_FUNC(int_rxhash),
}
};
--
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