[PATCH v4 1/8] flow_table: Use size in extern declaration for flowtab, export hash table

[Stefano Brivio <sbrivio@redhat.com>]

This can all be thrown away once we stop copying the flow table.

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
---
 flow.c       | 6 +-----
 flow_table.h | 5 ++++-
 2 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/flow.c b/flow.c
index a6fe6d1..3b8dd0e 100644
--- a/flow.c
+++ b/flow.c
@@ -109,12 +109,8 @@ unsigned flow_first_free;
 union flow flowtab[FLOW_MAX];
 static const union flow *flow_new_entry; /* = NULL */
 
-/* Hash table to index it */
-#define FLOW_HASH_LOAD		70		/* % */
-#define FLOW_HASH_SIZE		((2 * FLOW_MAX * 100 / FLOW_HASH_LOAD))
-
 /* Table for lookup from flowside information */
-static flow_sidx_t flow_hashtab[FLOW_HASH_SIZE];
+flow_sidx_t flow_hashtab[FLOW_HASH_SIZE];
 
 static_assert(ARRAY_SIZE(flow_hashtab) >= 2 * FLOW_MAX,
 "Safe linear probing requires hash table with more entries than the number of sides in the flow table");
diff --git a/flow_table.h b/flow_table.h
index eeb6f41..be4f841 100644
--- a/flow_table.h
+++ b/flow_table.h
@@ -41,7 +41,10 @@ union flow {
 
 /* Global Flow Table */
 extern unsigned flow_first_free;
-extern union flow flowtab[];
+extern union flow flowtab[FLOW_MAX];
+#define FLOW_HASH_LOAD		70		/* % */
+#define FLOW_HASH_SIZE		((2 * FLOW_MAX * 100 / FLOW_HASH_LOAD))
+extern flow_sidx_t flow_hashtab[FLOW_HASH_SIZE];
 
 /**
  * flow_foreach_sidei() - 'for' type macro to step through each side of flow
-- 
@@ -41,7 +41,10 @@ union flow {
 
 /* Global Flow Table */
 extern unsigned flow_first_free;
-extern union flow flowtab[];
+extern union flow flowtab[FLOW_MAX];
+#define FLOW_HASH_LOAD		70		/* % */
+#define FLOW_HASH_SIZE		((2 * FLOW_MAX * 100 / FLOW_HASH_LOAD))
+extern flow_sidx_t flow_hashtab[FLOW_HASH_SIZE];
 
 /**
  * flow_foreach_sidei() - 'for' type macro to step through each side of flow
-- 
2.43.0