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flow_dissector: Move skb related functions to skbuff.h

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Move the flow dissector functions that are specific to skbuffs into
skbuff.h out of flow_dissector.h. This makes flow_dissector.h have
no dependencies on skbuff.h.

Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tom Herbert
2015-09-01 09:24:23 -07:00
committed by David S. Miller
parent d3d11fe08c
commit e5276937ae
2 changed files with 47 additions and 50 deletions
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47
include/linux/skbuff.h
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@@ -945,6 +945,53 @@ skb_set_hash(struct sk_buff *skb, __u32 hash, enum pkt_hash_types type)
skb->hash = hash;
}
void __skb_get_hash(struct sk_buff *skb);
u32 skb_get_poff(const struct sk_buff *skb);
u32 __skb_get_poff(const struct sk_buff *skb, void *data,
const struct flow_keys *keys, int hlen);
__be32 __skb_flow_get_ports(const struct sk_buff *skb, int thoff, u8 ip_proto,
void *data, int hlen_proto);
static inline __be32 skb_flow_get_ports(const struct sk_buff *skb,
int thoff, u8 ip_proto)
{
return __skb_flow_get_ports(skb, thoff, ip_proto, NULL, 0);
}
void skb_flow_dissector_init(struct flow_dissector *flow_dissector,
const struct flow_dissector_key *key,
unsigned int key_count);
bool __skb_flow_dissect(const struct sk_buff *skb,
struct flow_dissector *flow_dissector,
void *target_container,
void *data, __be16 proto, int nhoff, int hlen);
static inline bool skb_flow_dissect(const struct sk_buff *skb,
struct flow_dissector *flow_dissector,
void *target_container)
{
return __skb_flow_dissect(skb, flow_dissector, target_container,
NULL, 0, 0, 0);
}
static inline bool skb_flow_dissect_flow_keys(const struct sk_buff *skb,
struct flow_keys *flow)
{
memset(flow, 0, sizeof(*flow));
return __skb_flow_dissect(skb, &flow_keys_dissector, flow,
NULL, 0, 0, 0);
}
static inline bool skb_flow_dissect_flow_keys_buf(struct flow_keys *flow,
void *data, __be16 proto,
int nhoff, int hlen)
{
memset(flow, 0, sizeof(*flow));
return __skb_flow_dissect(NULL, &flow_keys_buf_dissector, flow,
data, proto, nhoff, hlen);
}
static inline __u32 skb_get_hash(struct sk_buff *skb)
{
if (!skb->l4_hash && !skb->sw_hash)