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lib: simplify flow_extract() API

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Change the flow_extract() API to accept struct pkt_metadata,
instead of individual metadata fields. It will make the API more
logical and easier to maintain when we need to expand metadata
down the road.

Signed-off-by: Andy Zhou <azhou@nicira.com>
Acked-by: Jarno Rajahalme <jrajahalme@nicira.com>¬
This commit is contained in:
Andy Zhou
2014-02-26 18:08:04 -08:00
parent 4029c0435a
commit b5e7e61a99
14 changed files with 76 additions and 50 deletions
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6
lib/flow.h
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@@ -32,6 +32,7 @@ struct ds;
struct flow_wildcards;
struct minimask;
struct ofpbuf;
struct pkt_metadata;
/* This sequence number should be incremented whenever anything involving flows
* or the wildcarding of flows changes. This will cause build assertion
@@ -72,8 +73,8 @@ struct flow_tnl {
* numbers and other times datapath (dpif) port numbers. This union allows
* access to both. */
union flow_in_port {
ofp_port_t ofp_port;
odp_port_t odp_port;
ofp_port_t ofp_port;
};
/* Maximum number of supported MPLS labels. */
@@ -173,8 +174,7 @@ struct flow_metadata {
ofp_port_t in_port; /* OpenFlow port or zero. */
};
void flow_extract(struct ofpbuf *, uint32_t priority, uint32_t mark,
const struct flow_tnl *, const union flow_in_port *in_port,
void flow_extract(struct ofpbuf *, const struct pkt_metadata *md,
struct flow *);
void flow_zero_wildcards(struct flow *, const struct flow_wildcards *);