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dpif: Separate local and shared flow dump state.

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This patch separates the structures for thread-local flow dump state
("state") from the shared flow dump state ("iter") in dpif-linux and
dpif-netdev. Future patches will make use of this to allow multiple
threads to dump flows from the same flow dump operation.

Signed-off-by: Joe Stringer <joestringer@nicira.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
This commit is contained in:
Joe Stringer
2014-02-27 14:13:07 -08:00
committed by Ben Pfaff
parent 0672776e58
commit e723fd32d5
5 changed files with 121 additions and 43 deletions
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4
lib/dpif.h
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@@ -507,8 +507,9 @@ int dpif_flow_get(const struct dpif *,
struct dpif_flow_dump {
const struct dpif *dpif;
int error;
void *state;
void *iter;
};
void dpif_flow_dump_state_init(const struct dpif *, void **statep);
void dpif_flow_dump_start(struct dpif_flow_dump *, const struct dpif *);
bool dpif_flow_dump_next(struct dpif_flow_dump *,
const struct nlattr **key, size_t *key_len,
@@ -516,6 +517,7 @@ bool dpif_flow_dump_next(struct dpif_flow_dump *,
const struct nlattr **actions, size_t *actions_len,
const struct dpif_flow_stats **);
int dpif_flow_dump_done(struct dpif_flow_dump *);
void dpif_flow_dump_state_uninit(const struct dpif *, void *state);
/* Operation batching interface.
*