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net/flow_dissector: Make dissector_uses_key() and skb_flow_dissector_target() public 

Will be used in a following patch to query if a key is being used, and
what it's value in the target object.

Acked-by: John Fastabend <john.r.fastabend@intel.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Amir Vadai <amir@vadai.me>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Amir Vadai 2016-03-08 12:42:30 +02:00 committed by David S. Miller
parent 5b33f48842
commit 8de2d793da
2 changed files with 13 additions and 13 deletions
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13
include/net/flow_dissector.h
View File

@ -184,4 +184,17 @@ static inline bool flow_keys_have_l4(struct flow_keys *keys)
u32 flow_hash_from_keys(struct flow_keys *keys);
static inline bool dissector_uses_key(const struct flow_dissector *flow_dissector,
enum flow_dissector_key_id key_id)
{
return flow_dissector->used_keys & (1 << key_id);
}
static inline void *skb_flow_dissector_target(struct flow_dissector *flow_dissector,
enum flow_dissector_key_id key_id,
void *target_container)
{
return ((char *)target_container) + flow_dissector->offset[key_id];
}
#endif

13
net/core/flow_dissector.c
View File

@ -19,25 +19,12 @@
#include <net/flow_dissector.h>
#include <scsi/fc/fc_fcoe.h>
static bool dissector_uses_key(const struct flow_dissector *flow_dissector,
enum flow_dissector_key_id key_id)
{
return flow_dissector->used_keys & (1 << key_id);
}
static void dissector_set_key(struct flow_dissector *flow_dissector,
enum flow_dissector_key_id key_id)
{
flow_dissector->used_keys |= (1 << key_id);
}
static void *skb_flow_dissector_target(struct flow_dissector *flow_dissector,
enum flow_dissector_key_id key_id,
void *target_container)
{
return ((char *) target_container) + flow_dissector->offset[key_id];
}
void skb_flow_dissector_init(struct flow_dissector *flow_dissector,
const struct flow_dissector_key *key,
unsigned int key_count)