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Commit a17ace95 authored by David S. Miller's avatar David S. Miller
Browse files

flow: Move __get_hash_from_flowi{4,6} into flow_dissector.c 



These cannot live in net/core/flow.c which only builds when XFRM is
enabled.

Reported-by: default avatarkbuild test robot <fengguang.wu@intel.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 4b36993d

net/core/flow.c

+0 −36
Original line number Diff line number Diff line
@@ -22,7 +22,6 @@ 
#include <linux/cpumask.h>

#include <linux/mutex.h>

#include <net/flow.h>

#include <net/flow_dissector.h>

#include <linux/atomic.h>

#include <linux/security.h>

#include <net/net_namespace.h>
@@ -510,38 +509,3 @@ void flow_cache_fini(struct net *net) 
	fc->percpu = NULL;

}

EXPORT_SYMBOL(flow_cache_fini);
 


__u32 __get_hash_from_flowi6(struct flowi6 *fl6, struct flow_keys *keys)

{

	memset(keys, 0, sizeof(*keys));



	memcpy(&keys->addrs.v6addrs.src, &fl6->saddr,

	    sizeof(keys->addrs.v6addrs.src));

	memcpy(&keys->addrs.v6addrs.dst, &fl6->daddr,

	    sizeof(keys->addrs.v6addrs.dst));

	keys->control.addr_type = FLOW_DISSECTOR_KEY_IPV6_ADDRS;

	keys->ports.src = fl6->fl6_sport;

	keys->ports.dst = fl6->fl6_dport;

	keys->keyid.keyid = fl6->fl6_gre_key;

	keys->tags.flow_label = (__force u32)fl6->flowlabel;

	keys->basic.ip_proto = fl6->flowi6_proto;



	return flow_hash_from_keys(keys);

}

EXPORT_SYMBOL(__get_hash_from_flowi6);



__u32 __get_hash_from_flowi4(struct flowi4 *fl4, struct flow_keys *keys)

{

	memset(keys, 0, sizeof(*keys));



	keys->addrs.v4addrs.src = fl4->saddr;

	keys->addrs.v4addrs.dst = fl4->daddr;

	keys->control.addr_type = FLOW_DISSECTOR_KEY_IPV4_ADDRS;

	keys->ports.src = fl4->fl4_sport;

	keys->ports.dst = fl4->fl4_dport;

	keys->keyid.keyid = fl4->fl4_gre_key;

	keys->basic.ip_proto = fl4->flowi4_proto;



	return flow_hash_from_keys(keys);

}

EXPORT_SYMBOL(__get_hash_from_flowi4);

net/core/flow_dissector.c

+35 −0
Original line number Diff line number Diff line
@@ -787,6 +787,41 @@ u32 skb_get_poff(const struct sk_buff *skb) 
	return __skb_get_poff(skb, skb->data, &keys, skb_headlen(skb));

}



__u32 __get_hash_from_flowi6(struct flowi6 *fl6, struct flow_keys *keys)

{

	memset(keys, 0, sizeof(*keys));



	memcpy(&keys->addrs.v6addrs.src, &fl6->saddr,

	    sizeof(keys->addrs.v6addrs.src));

	memcpy(&keys->addrs.v6addrs.dst, &fl6->daddr,

	    sizeof(keys->addrs.v6addrs.dst));

	keys->control.addr_type = FLOW_DISSECTOR_KEY_IPV6_ADDRS;

	keys->ports.src = fl6->fl6_sport;

	keys->ports.dst = fl6->fl6_dport;

	keys->keyid.keyid = fl6->fl6_gre_key;

	keys->tags.flow_label = (__force u32)fl6->flowlabel;

	keys->basic.ip_proto = fl6->flowi6_proto;



	return flow_hash_from_keys(keys);

}

EXPORT_SYMBOL(__get_hash_from_flowi6);



__u32 __get_hash_from_flowi4(struct flowi4 *fl4, struct flow_keys *keys)

{

	memset(keys, 0, sizeof(*keys));



	keys->addrs.v4addrs.src = fl4->saddr;

	keys->addrs.v4addrs.dst = fl4->daddr;

	keys->control.addr_type = FLOW_DISSECTOR_KEY_IPV4_ADDRS;

	keys->ports.src = fl4->fl4_sport;

	keys->ports.dst = fl4->fl4_dport;

	keys->keyid.keyid = fl4->fl4_gre_key;

	keys->basic.ip_proto = fl4->flowi4_proto;



	return flow_hash_from_keys(keys);

}

EXPORT_SYMBOL(__get_hash_from_flowi4);



static const struct flow_dissector_key flow_keys_dissector_keys[] = {

	{

		.key_id = FLOW_DISSECTOR_KEY_CONTROL,