diff options
| -rw-r--r-- | trafgen_parser.y | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/trafgen_parser.y b/trafgen_parser.y index 9b313d1..7e41bff 100644 --- a/trafgen_parser.y +++ b/trafgen_parser.y @@ -76,6 +76,7 @@ enum field_expr_type_t { FIELD_EXPR_IP4_ADDR, FIELD_EXPR_IP6_ADDR, FIELD_EXPR_INC, + FIELD_EXPR_RND, }; struct proto_field_expr { @@ -429,6 +430,7 @@ static void proto_field_expr_eval(void) break; case FIELD_EXPR_INC: + case FIELD_EXPR_RND: if (field_expr.val.func.min && field_expr.val.func.min >= field_expr.val.func.max) panic("dinc(): min(%u) can't be >= max(%u)\n", @@ -738,6 +740,13 @@ field_expr field_expr.val.func.min = $3; field_expr.val.func.max = $5; field_expr.val.func.inc = $7; } + | K_DRND '(' ')' { field_expr.type = FIELD_EXPR_RND; + field_expr.val.func.type = PROTO_FIELD_FUNC_RND; } + | K_DRND '(' number delimiter number ')' + { field_expr.type = FIELD_EXPR_RND; + field_expr.val.func.type = PROTO_FIELD_FUNC_RND; + field_expr.val.func.min = $3; + field_expr.val.func.max = $5; } ; eth_proto |