diff options
Diffstat (limited to 'sysdep/linux/netlink.Y')
| -rw-r--r-- | sysdep/linux/netlink.Y | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/sysdep/linux/netlink.Y b/sysdep/linux/netlink.Y index 7ba8c7c9..9b07e9bb 100644 --- a/sysdep/linux/netlink.Y +++ b/sysdep/linux/netlink.Y @@ -15,6 +15,8 @@ CF_KEYWORDS(KERNEL, TABLE, METRIC, NETLINK, RX, BUFFER, KRT_LOCK_SSTRESH, KRT_LOCK_CWND, KRT_LOCK_ADVMSS, KRT_LOCK_REORDERING, KRT_LOCK_HOPLIMIT, KRT_LOCK_RTO_MIN, KRT_FEATURE_ECN, KRT_FEATURE_ALLFRAG) +%type <fab> attr_bit + CF_GRAMMAR kern_proto: kern_proto kern_sys_item ';' ; @@ -42,6 +44,25 @@ attr_bit: KRT_LOCK_RTO_MIN { $$ = f_new_dynamic_attr_bit(13, "krt_lock"); } ; attr_bit: KRT_FEATURE_ECN { $$ = f_new_dynamic_attr_bit(0, "krt_features"); } ; attr_bit: KRT_FEATURE_ALLFRAG { $$ = f_new_dynamic_attr_bit(3, "krt_features"); } ; +/* Getting attribute bits (moved here to not confuse Bison on *BSD) */ +term: + attr_bit { + struct f_inst *c = f_new_inst(FI_CONSTANT, (struct f_val) { .type = T_INT, .val.i = (1U << $1.bit)}); + $$ = f_new_inst(FI_EQ, c, f_new_inst(FI_BITAND, f_new_inst(FI_EA_GET, $1.class), c)); + } + ; + +/* Setting attribute bits (moved here to not confuse Bison on *BSD) */ +cmd: + attr_bit '=' term ';' { + $$ = f_new_inst(FI_CONDITION, $3, + f_generate_complex_default(FI_BITOR, $1.class, + f_new_inst(FI_CONSTANT, (struct f_val) { .type = T_INT, .val.i = (1U << $1.bit)}), 0), + f_generate_complex_default(FI_BITAND, $1.class, + f_new_inst(FI_CONSTANT, (struct f_val) { .type = T_INT, .val.i = ~(1U << $1.bit)}), 0) + ); + } + ; CF_CODE |