diff options
Diffstat (limited to 'filter/config.Y')
| -rw-r--r-- | filter/config.Y | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/filter/config.Y b/filter/config.Y index 15b77761..46ba7769 100644 --- a/filter/config.Y +++ b/filter/config.Y @@ -185,6 +185,21 @@ f_generate_empty(struct f_dynamic_attr dyn) return f_new_inst(FI_EA_SET, f_new_inst(FI_CONSTANT, empty), dyn); } +#define BA_AS_PATH 0x02 + +static inline struct f_inst * +f_implicit_roa_check(struct rtable_config *tab) +{ + struct f_dynamic_attr fda = f_new_dynamic_attr(EAF_TYPE_AS_PATH, T_PATH, EA_CODE(PROTOCOL_BGP, BA_AS_PATH)); + + struct f_static_attr fsa = f_new_static_attr(T_NET, SA_NET, 1); + + return f_new_inst(FI_ROA_CHECK, + f_new_inst(FI_RTA_GET, fsa), + f_new_inst(FI_AS_PATH_LAST, f_new_inst(FI_EA_GET, fda)), + tab); +} + /* * Remove all new lines and doubled whitespaces * and convert all tabulators to spaces @@ -822,8 +837,8 @@ term: | DELETE '(' term ',' term ')' { $$ = f_new_inst(FI_CLIST_DEL, $3, $5); } | FILTER '(' term ',' term ')' { $$ = f_new_inst(FI_CLIST_FILTER, $3, $5); } - | ROA_CHECK '(' rtable ')' { $$ = f_new_inst(FI_ROA_CHECK_IMPLICIT, $3); } - | ROA_CHECK '(' rtable ',' term ',' term ')' { $$ = f_new_inst(FI_ROA_CHECK_EXPLICIT, $5, $7, $3); } + | ROA_CHECK '(' rtable ')' { $$ = f_implicit_roa_check($3); } + | ROA_CHECK '(' rtable ',' term ',' term ')' { $$ = f_new_inst(FI_ROA_CHECK, $5, $7, $3); } | FORMAT '(' term ')' { $$ = f_new_inst(FI_FORMAT, $3); } |