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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: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
steinar/wifi_calib_4_9_kernel
David S. Miller 2015-09-01 17:00:24 -07:00
parent 4b36993d3d
commit a17ace95b0
2 changed files with 35 additions and 36 deletions
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36
net/core/flow.c
View File

@ -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);

35
net/core/flow_dissector.c
View File

@ -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,