Commit c2e3143e authored by Stephen Hemminger's avatar Stephen Hemminger Committed by David S. Miller
Browse files

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: default avatarStephen Hemminger <shemminger@vyatta.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 5a46790c

include/linux/tc_ematch/tc_em_meta.h

+1 −0
Original line number Diff line number Diff line
@@ -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)

net/sched/em_meta.c

+6 −0
Original line number Diff line number Diff line
@@ -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_META_TYPE_MAX+1][TCF_META_ID_MAX+1] = { 
		[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),

	}

};