Add support for table's persist flagHEADmaster

Bison parser lacked support for passing multiple flags, JSON parser
did not support table flags at all.

Document also 'owner' flag (and describe their relationship in nft.8.

Signed-off-by: Phil Sutter <phil@nwl.cc>

1 files changed, 12 insertions, 0 deletions

diff --git a/src/rule.c b/src/rule.c
index 45289cc0..65ff0fbb 100644
--- a/src/rule.c
+++ b/src/rule.c
@@ -1215,6 +1215,7 @@ struct table *table_lookup_fuzzy(const struct handle *h,
 static const char *table_flags_name[TABLE_FLAGS_MAX] = {
 	"dormant",
 	"owner",
+	"persist",
 };
 
 const char *table_flag_name(uint32_t flag)
@@ -1225,6 +1226,17 @@ const char *table_flag_name(uint32_t flag)
 	return table_flags_name[flag];
 }
 
+unsigned int parse_table_flag(const char *name)
+{
+	int i;
+
+	for (i = 0; i < TABLE_FLAGS_MAX; i++) {
+		if (!strcmp(name, table_flags_name[i]))
+			return 1 << i;
+	}
+	return 0;
+}
+
 static void table_print_flags(const struct table *table, const char **delim,
 			      struct output_ctx *octx)
 {