[PATCH nft] cache: do not populate the cache in case of flush ruleset command

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__CMD_FLUSH_RULESET is a dummy definition that used to skip the netlink
dump to populate the cache. This patch is a workaround until we have a
better infrastructure to track the state of the cache objects.

Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
---
 include/rule.h | 1 +
 src/cache.c    | 3 +++
 src/rule.c     | 3 +++
 3 files changed, 7 insertions(+)

diff --git a/include/rule.h b/include/rule.h
index dd9df9ec6dd8..b41825d000d6 100644
--- a/include/rule.h
+++ b/include/rule.h
@@ -462,6 +462,7 @@ enum cmd_ops {
 	CMD_EXPORT,
 	CMD_MONITOR,
 	CMD_DESCRIBE,
+	__CMD_FLUSH_RULESET,
 };
 
 /**
diff --git a/src/cache.c b/src/cache.c
index 532ef425906a..d7153f6f6b8f 100644
--- a/src/cache.c
+++ b/src/cache.c
@@ -54,6 +54,9 @@ static unsigned int evaluate_cache_flush(struct cmd *cmd)
 	unsigned int completeness = CMD_INVALID;
 
 	switch (cmd->obj) {
+	case CMD_OBJ_RULESET:
+		completeness = __CMD_FLUSH_RULESET;
+		break;
 	case CMD_OBJ_SET:
 	case CMD_OBJ_MAP:
 	case CMD_OBJ_METER:
diff --git a/src/rule.c b/src/rule.c
index 8de5aa62b94f..3dba8b991e12 100644
--- a/src/rule.c
+++ b/src/rule.c
@@ -155,6 +155,9 @@ static int cache_init_objects(struct netlink_ctx *ctx, enum cmd_ops cmd)
 	struct set *set;
 	int ret;
 
+	if (cmd == __CMD_FLUSH_RULESET)
+		return 0;
+
 	list_for_each_entry(table, &ctx->nft->cache.list, list) {
 		ret = netlink_list_sets(ctx, &table->handle);
 		list_splice_tail_init(&ctx->list, &table->sets);
-- 
2.11.0




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