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-rw-r--r--conf/confbase.Y4
-rw-r--r--filter/config.Y51
-rw-r--r--filter/decl.m4437
-rw-r--r--filter/f-inst.c52
-rw-r--r--filter/f-inst.h6
-rw-r--r--filter/f-util.c10
-rw-r--r--filter/filter.c38
-rw-r--r--filter/filter.h6
-rw-r--r--nest/a-path.c1
-rw-r--r--nest/config.Y4
-rw-r--r--proto/babel/config.Y2
-rw-r--r--proto/bgp/config.Y24
-rw-r--r--proto/ospf/config.Y8
-rw-r--r--proto/radv/config.Y4
-rw-r--r--proto/rip/config.Y4
-rw-r--r--sysdep/linux/netlink.Y56
-rw-r--r--sysdep/unix/krt.Y4
17 files changed, 453 insertions, 258 deletions
diff --git a/conf/confbase.Y b/conf/confbase.Y
index bcfd3f1a..775af22d 100644
--- a/conf/confbase.Y
+++ b/conf/confbase.Y
@@ -64,7 +64,9 @@ CF_DECLS
struct rtable_config *r;
struct channel_config *cc;
struct f_inst *x;
- struct f_inst *xp[2];
+ struct {
+ struct f_inst *begin, *end;
+ } xp;
enum filter_return fret;
enum ec_subtype ecs;
struct f_dynamic_attr fda;
diff --git a/filter/config.Y b/filter/config.Y
index ff2b966e..c40f28d4 100644
--- a/filter/config.Y
+++ b/filter/config.Y
@@ -447,7 +447,7 @@ CF_KEYWORDS(FUNCTION, PRINT, PRINTN, UNSET, RETURN,
%nonassoc ELSE
%type <xp> cmds_int
-%type <x> term block cmd cmds constant constructor print_one print_list var_list function_call symbol_value bgp_path_expr bgp_path bgp_path_tail
+%type <x> term block cmd cmds constant constructor print_list var_list function_call symbol_value bgp_path_expr bgp_path bgp_path_tail
%type <fda> dynamic_attr
%type <fsa> static_attr
%type <f> filter where_filter
@@ -621,11 +621,21 @@ function_def:
/* Programs */
cmds: /* EMPTY */ { $$ = NULL; }
- | cmds_int { $$ = $1[0]; }
+ | cmds_int { $$ = $1.begin; }
;
-cmds_int: cmd { $$[0] = $$[1] = $1; }
- | cmds_int cmd { $$[1] = $2; $1[1]->next = $2; $$[0] = $1[0]; }
+cmds_int: cmd {
+ $$.begin = $$.end = $1;
+ while ($$.end->next)
+ $$.end = $$.end->next;
+ }
+ | cmds_int cmd {
+ $$.begin = $1.begin;
+ $1.end->next = $2;
+ $$.end = $2;
+ while ($$.end->next)
+ $$.end = $$.end->next;
+ }
;
block:
@@ -960,17 +970,13 @@ break_command:
| PRINTN { $$ = F_NONL; }
;
-print_one:
- term { $$ = f_new_inst(FI_PRINT, $1); }
- ;
-
print_list: /* EMPTY */ { $$ = NULL; }
- | print_one { $$ = $1; }
- | print_one ',' print_list {
- if ($1) {
- $1->next = $3;
- $$ = $1;
- } else $$ = $3;
+ | term { $$ = $1; }
+ | term ',' print_list {
+ ASSERT($1);
+ ASSERT($1->next == NULL);
+ $1->next = $3;
+ $$ = $1;
}
;
@@ -1011,7 +1017,22 @@ cmd:
| UNSET '(' dynamic_attr ')' ';' {
$$ = f_new_inst(FI_EA_UNSET, $3);
}
- | break_command print_list ';' { $$ = f_new_inst(FI_PRINT_AND_DIE, $2, $1); }
+ | break_command print_list ';' {
+ struct f_inst *breaker = NULL;
+ struct f_inst *printer = NULL;
+ if ($2)
+ printer = f_new_inst(FI_PRINT, $2);
+ if ($1 != F_NONL)
+ breaker = f_new_inst(FI_DIE, $1);
+
+ if (printer && breaker)
+ printer->next = breaker;
+
+ if (printer)
+ $$ = printer;
+ else
+ $$ = breaker;
+ }
| function_call ';' { $$ = f_new_inst(FI_DROP_RESULT, $1); }
| CASE term '{' switch_body '}' {
$$ = f_new_inst(FI_SWITCH, $2, build_tree($4));
diff --git a/filter/decl.m4 b/filter/decl.m4
index d1c51440..aa4ab576 100644
--- a/filter/decl.m4
+++ b/filter/decl.m4
@@ -6,177 +6,123 @@ m4_divert(-1)m4_dnl
#
# Can be freely distributed and used under the terms of the GNU GPL.
#
+# THIS IS A M4 MACRO FILE GENERATING 3 FILES ALTOGETHER.
+# KEEP YOUR HANDS OFF UNLESS YOU KNOW WHAT YOU'RE DOING.
+# EDITING AND DEBUGGING THIS FILE MAY DAMAGE YOUR BRAIN SERIOUSLY.
+#
+# But you're welcome to read and edit and debug if you aren't scared.
+#
+# Uncomment the following line to get exhaustive debug output.
+# m4_debugmode(aceflqtx)
+#
+# How it works:
+# 1) Instruction to code conversion (uses diversions 100..199)
+# 2) Code wrapping (uses diversions 1..99)
+# 3) Final preparation (uses diversions 200..299)
+# 4) Shipout
+#
+# See below for detailed description.
#
-# Global Diversions:
-# 4 enum fi_code
-# 5 enum fi_code to string
-# 6 dump line item
-# 7 dump line item callers
-# 8 linearize
-# 9 same (filter comparator)
-# 1 union in struct f_inst
-# 3 constructors + interpreter
#
-# Per-inst Diversions:
+# 1) Instruction to code conversion
+# The code provided in f-inst.c between consecutive INST() calls
+# is interleaved for many different places. It is here processed
+# and split into separate instances where split-by-instruction
+# happens. These parts are stored in temporary diversions listed:
+#
# 101 content of per-inst struct
# 102 constructor arguments
# 103 constructor body
# 104 dump line item content
+# (there may be nothing in dump-line content and
+# it must be handled specially in phase 2)
# 105 linearize body
# 106 comparator body
# 107 struct f_line_item content
# 108 interpreter body
#
-# Final diversions
-# 200+ completed text before it is flushed to output
-
-m4_dnl m4_debugmode(aceflqtx)
-
-m4_define(FID_ZONE, `m4_divert($1) /* $2 for INST_NAME() */')
-m4_define(FID_INST, `FID_ZONE(1, Instruction structure for config)')
-m4_define(FID_LINE, `FID_ZONE(2, Instruction structure for interpreter)')
-m4_define(FID_NEW, `FID_ZONE(3, Constructor)')
-m4_define(FID_ENUM, `FID_ZONE(4, Code enum)')
-m4_define(FID_ENUM_STR, `FID_ZONE(5, Code enum to string)')
-m4_define(FID_DUMP, `FID_ZONE(6, Dump line)')
-m4_define(FID_DUMP_CALLER, `FID_ZONE(7, Dump line caller)')
-m4_define(FID_LINEARIZE, `FID_ZONE(8, Linearize)')
-m4_define(FID_SAME, `FID_ZONE(9, Comparison)')
-
+# Here are macros to allow you to _divert to the right directions.
m4_define(FID_STRUCT_IN, `m4_divert(101)')
m4_define(FID_NEW_ARGS, `m4_divert(102)')
m4_define(FID_NEW_BODY, `m4_divert(103)')
m4_define(FID_DUMP_BODY, `m4_divert(104)m4_define([[FID_DUMP_BODY_EXISTS]])')
-m4_define(FID_LINEARIZE_BODY, `m4_divert(105)m4_define([[FID_LINEARIZE_BODY_EXISTS]])')
+m4_define(FID_LINEARIZE_BODY, `m4_divert(105)')
m4_define(FID_SAME_BODY, `m4_divert(106)')
m4_define(FID_LINE_IN, `m4_divert(107)')
m4_define(FID_INTERPRET_BODY, `m4_divert(108)')
-m4_define(FID_ALL, `FID_INTERPRET_BODY');
+# Sometimes you want slightly different code versions in different
+# outputs.
+# Use FID_HIC(code for inst-gen.h, code for inst-gen.c, code for inst-interpret.c)
+# and put it into [[ ]] quotes if it shall contain commas.
m4_define(FID_HIC, `m4_ifelse(TARGET, [[H]], [[$1]], TARGET, [[I]], [[$2]], TARGET, [[C]], [[$3]])')
+# In interpreter code, this is quite common.
m4_define(FID_INTERPRET_EXEC, `FID_HIC(,[[FID_INTERPRET_BODY()]],[[m4_divert(-1)]])')
m4_define(FID_INTERPRET_NEW, `FID_HIC(,[[m4_divert(-1)]],[[FID_INTERPRET_BODY()]])')
+
+# If the instruction is never converted to constant, the interpret
+# code is not produced at all for constructor
m4_define(NEVER_CONSTANT, `m4_define([[INST_NEVER_CONSTANT]])')
m4_define(FID_IFCONST, `m4_ifdef([[INST_NEVER_CONSTANT]],[[$2]],[[$1]])')
-m4_define(INST_FLUSH, `m4_ifdef([[INST_NAME]], [[
-FID_ENUM
-INST_NAME(),
-FID_ENUM_STR
-[INST_NAME()] = "INST_NAME()",
-FID_INST
-struct {
-m4_undivert(101)
-} i_[[]]INST_NAME();
-FID_LINE
-struct {
-m4_undivert(107)
-} i_[[]]INST_NAME();
-FID_NEW
-FID_HIC(
-[[
-struct f_inst *f_new_inst_]]INST_NAME()[[(enum f_instruction_code fi_code
-m4_undivert(102)
-);]],
-[[
- case INST_NAME():
- #define whati (&(what->i_]]INST_NAME()[[))
- m4_ifelse(m4_eval(INST_INVAL() > 0), 1, [[if (fstk->vcnt < INST_INVAL()) runtime("Stack underflow"); fstk->vcnt -= INST_INVAL(); ]])
- m4_undivert(108)
- #undef whati
- break;
-]],
-[[
-struct f_inst *f_new_inst_]]INST_NAME()[[(enum f_instruction_code fi_code
-m4_undivert(102)
-)
- {
- struct f_inst *what = fi_new(fi_code);
- FID_IFCONST([[uint constargs = 1;]])
- #define whati (&(what->i_]]INST_NAME()[[))
- m4_undivert(103)
- FID_IFCONST([[if (!constargs)]])
- return what;
- FID_IFCONST([[m4_undivert(108)]])
- #undef whati
- }
-]])
-
-FID_DUMP_CALLER
-case INST_NAME(): f_dump_line_item_]]INST_NAME()[[(item, indent + 1); break;
-
-FID_DUMP
-m4_ifdef([[FID_DUMP_BODY_EXISTS]],
-[[static inline void f_dump_line_item_]]INST_NAME()[[(const struct f_line_item *item_, const int indent)]],
-[[static inline void f_dump_line_item_]]INST_NAME()[[(const struct f_line_item *item UNUSED, const int indent UNUSED)]])
-m4_undefine([[FID_DUMP_BODY_EXISTS]])
-{
-#define item (&(item_->i_]]INST_NAME()[[))
-m4_undivert(104)
-#undef item
-}
-
-FID_LINEARIZE
-case INST_NAME(): {
-#define whati (&(what->i_]]INST_NAME()[[))
-#define item (&(dest->items[pos].i_]]INST_NAME()[[))
- m4_undivert(105)
-#undef whati
-#undef item
- dest->items[pos].fi_code = what->fi_code;
- dest->items[pos].lineno = what->lineno;
- break;
-}
-m4_undefine([[FID_LINEARIZE_BODY_EXISTS]])
-
-FID_SAME
-case INST_NAME():
-#define f1 (&(f1_->i_]]INST_NAME()[[))
-#define f2 (&(f2_->i_]]INST_NAME()[[))
-m4_undivert(106)
-#undef f1
-#undef f2
-break;
-m4_divert(-1)FID_FLUSH(101,200)
-]])')
-
-m4_define(INST, `m4_dnl
-INST_FLUSH()m4_dnl
-m4_define([[INST_NAME]], [[$1]])m4_dnl
-m4_define([[INST_INVAL]], [[$2]])m4_dnl
-m4_undefine([[INST_NEVER_CONSTANT]])m4_dnl
-FID_ALL() m4_dnl
-')
-
+# If the instruction has some attributes (here called members),
+# these are typically carried with the instruction from constructor
+# to interpreter. This yields a line of code everywhere on the path.
+# FID_MEMBER is a macro to help with this task.
m4_define(FID_MEMBER, `m4_dnl
-FID_LINE_IN
-$1 $2;
-FID_STRUCT_IN
-$1 $2;
-FID_NEW_ARGS
-, $1 $2
-FID_NEW_BODY
+FID_LINE_IN()m4_dnl
+ $1 $2;
+FID_STRUCT_IN()m4_dnl
+ $1 $2;
+FID_NEW_ARGS()m4_dnl
+ , $1 $2
+FID_NEW_BODY()m4_dnl
whati->$2 = $2;
-FID_LINEARIZE_BODY
+FID_LINEARIZE_BODY()m4_dnl
item->$2 = whati->$2;
m4_ifelse($3,,,[[
-FID_SAME_BODY
+FID_SAME_BODY()m4_dnl
if ($3) return 0;
]])
m4_ifelse($4,,,[[
-FID_DUMP_BODY
+FID_DUMP_BODY()m4_dnl
debug("%s$4\n", INDENT, $5);
]])
-FID_INTERPRET_EXEC
+FID_INTERPRET_EXEC()m4_dnl
const $1 $2 = whati->$2
-FID_ALL')
+FID_INTERPRET_BODY')
+
+m4_define(FID_MEMBER_IN, `m4_dnl
+FID_LINE_IN()m4_dnl
+ $1 $2;
+FID_STRUCT_IN()m4_dnl
+ $1 $2;
+FID_LINEARIZE_BODY()m4_dnl
+item->$2 = whati->$2;
+m4_ifelse($3,,,[[
+FID_SAME_BODY()m4_dnl
+if ($3) return 0;
+]])
+m4_ifelse($4,,,[[
+FID_DUMP_BODY()m4_dnl
+debug("%s$4\n", INDENT, $5);
+]])
+FID_INTERPRET_EXEC()m4_dnl
+const $1 $2 = whati->$2
+FID_INTERPRET_BODY')
+# Instruction arguments are needed only until linearization is done.
+# This puts the arguments into the filter line to be executed before
+# the instruction itself.
+#
+# To achieve this, ARG_ANY must be called before anything writes into
+# the instruction line as it moves the instruction pointer forward.
m4_define(ARG_ANY, `
-FID_STRUCT_IN
-struct f_inst * f$1;
-FID_NEW_ARGS
-, struct f_inst * f$1
+FID_STRUCT_IN()m4_dnl
+ struct f_inst * f$1;
+FID_NEW_ARGS()m4_dnl
+ , struct f_inst * f$1
FID_NEW_BODY
whati->f$1 = f$1;
for (const struct f_inst *child = f$1; child; child = child->next) {
@@ -188,14 +134,17 @@ FID_IFCONST([[
}
FID_LINEARIZE_BODY
pos = linearize(dest, whati->f$1, pos);
-FID_ALL()')
+FID_INTERPRET_BODY()')
+# Some arguments need to check their type. After that, ARG_ANY is called.
m4_define(ARG, `ARG_ANY($1)
-FID_INTERPRET_EXEC()
+FID_INTERPRET_EXEC()m4_dnl
if (v$1.type != $2) runtime("Argument $1 of instruction %s must be of type $2, got 0x%02x", f_instruction_name(what->fi_code), v$1.type)m4_dnl
-FID_ALL()')
+FID_INTERPRET_BODY()')
-m4_define(LINEX, `FID_INTERPRET_EXEC()LINEX_($1)FID_INTERPRET_NEW()return $1 FID_ALL()')
+# Executing another filter line. This replaces the recursion
+# that was needed in the former implementation.
+m4_define(LINEX, `FID_INTERPRET_EXEC()LINEX_($1)FID_INTERPRET_NEW()return $1 FID_INTERPRET_BODY()')
m4_define(LINEX_, `do {
fstk->estk[fstk->ecnt].pos = 0;
fstk->estk[fstk->ecnt].line = $1;
@@ -206,47 +155,212 @@ m4_define(LINEX_, `do {
} while (0)')
m4_define(LINE, `
-FID_LINE_IN
-const struct f_line * fl$1;
-FID_STRUCT_IN
-struct f_inst * f$1;
-FID_NEW_ARGS
-, struct f_inst * f$1
-FID_NEW_BODY
+FID_LINE_IN()m4_dnl
+ const struct f_line * fl$1;
+FID_STRUCT_IN()m4_dnl
+ struct f_inst * f$1;
+FID_NEW_ARGS()m4_dnl
+ , struct f_inst * f$1
+FID_NEW_BODY()m4_dnl
whati->f$1 = f$1;
-FID_DUMP_BODY
+FID_DUMP_BODY()m4_dnl
f_dump_line(item->fl$1, indent + 1);
-FID_LINEARIZE_BODY
+FID_LINEARIZE_BODY()m4_dnl
item->fl$1 = f_linearize(whati->f$1);
-FID_SAME_BODY
+FID_SAME_BODY()m4_dnl
if (!f_same(f1->fl$1, f2->fl$1)) return 0;
-FID_INTERPRET_EXEC
+FID_INTERPRET_EXEC()m4_dnl
do { if (whati->fl$1) {
LINEX_(whati->fl$1);
} } while(0)
-FID_INTERPRET_NEW
+FID_INTERPRET_NEW()m4_dnl
return whati->f$1
-FID_ALL()')
+FID_INTERPRET_BODY()')
+# Some of the instructions have a result. These constructions
+# state the result and put it to the right place.
m4_define(RESULT, `RESULT_VAL([[ (struct f_val) { .type = $1, .val.$2 = $3 } ]])')
m4_define(RESULT_VAL, `FID_HIC(, [[do { res = $1; fstk->vcnt++; } while (0)]],
[[return fi_constant(what, $1)]])')
m4_define(RESULT_VOID, `RESULT_VAL([[ (struct f_val) { .type = T_VOID } ]])')
-m4_define(SYMBOL, `FID_MEMBER(struct symbol *, sym,
-[[strcmp(f1->sym->name, f2->sym->name) || (f1->sym->class != f2->sym->class)]], symbol %s, item->sym->name)')
+# Some common filter instruction members
+m4_define(SYMBOL, `FID_MEMBER(struct symbol *, sym, [[strcmp(f1->sym->name, f2->sym->name) || (f1->sym->class != f2->sym->class)]], symbol %s, item->sym->name)')
m4_define(RTC, `FID_MEMBER(struct rtable_config *, rtc, [[strcmp(f1->rtc->name, f2->rtc->name)]], route table %s, item->rtc->name)')
m4_define(STATIC_ATTR, `FID_MEMBER(struct f_static_attr, sa, f1->sa.sa_code != f2->sa.sa_code,,)')
m4_define(DYNAMIC_ATTR, `FID_MEMBER(struct f_dynamic_attr, da, f1->da.ea_code != f2->da.ea_code,,)')
m4_define(ACCESS_RTE, `NEVER_CONSTANT()')
+# 2) Code wrapping
+# The code produced in 1xx temporary diversions is a raw code without
+# any auxiliary commands and syntactical structures around. When the
+# instruction is done, INST_FLUSH is called. More precisely, it is called
+# at the beginning of INST() call and at the end of file.
+#
+# INST_FLUSH picks all the temporary diversions, wraps their content
+# into appropriate headers and structures and saves them into global
+# diversions listed:
+#
+# 4 enum fi_code
+# 5 enum fi_code to string
+# 6 dump line item
+# 7 dump line item callers
+# 8 linearize
+# 9 same (filter comparator)
+# 1 union in struct f_inst
+# 3 constructors + interpreter
+#
+# These global diversions contain blocks of code that can be directly
+# put into the final file, yet it still can't be written out now as
+# every instruction writes to all of these diversions.
+
+# Code wrapping diversion names. Here we want an explicit newline
+# after the C comment.
+m4_define(FID_ZONE, `m4_divert($1) /* $2 for INST_NAME() */
+')
+m4_define(FID_INST, `FID_ZONE(1, Instruction structure for config)')
+m4_define(FID_LINE, `FID_ZONE(2, Instruction structure for interpreter)')
+m4_define(FID_NEW, `FID_ZONE(3, Constructor)')
+m4_define(FID_ENUM, `FID_ZONE(4, Code enum)')
+m4_define(FID_ENUM_STR, `FID_ZONE(5, Code enum to string)')
+m4_define(FID_DUMP, `FID_ZONE(6, Dump line)')
+m4_define(FID_DUMP_CALLER, `FID_ZONE(7, Dump line caller)')
+m4_define(FID_LINEARIZE, `FID_ZONE(8, Linearize)')
+m4_define(FID_SAME, `FID_ZONE(9, Comparison)')
+
+# This macro does all the code wrapping. See inline comments.
+m4_define(INST_FLUSH, `m4_ifdef([[INST_NAME]], [[
+FID_ENUM()m4_dnl Contents of enum fi_code { ... }
+ INST_NAME(),
+FID_ENUM_STR()m4_dnl Contents of const char * indexed by enum fi_code
+ [INST_NAME()] = "INST_NAME()",
+FID_INST()m4_dnl Anonymous structure inside struct f_inst
+ struct {
+m4_undivert(101)m4_dnl
+ } i_[[]]INST_NAME();
+FID_LINE()m4_dnl Anonymous structure inside struct f_line_item
+ struct {
+m4_undivert(107)m4_dnl
+ } i_[[]]INST_NAME();
+FID_NEW()m4_dnl Constructor and interpreter code together
+FID_HIC(
+[[m4_dnl Public declaration of constructor in H file
+struct f_inst *f_new_inst_]]INST_NAME()[[(enum f_instruction_code fi_code
+m4_undivert(102)m4_dnl
+);]],
+[[m4_dnl The one case in The Big Switch inside interpreter
+ case INST_NAME():
+ #define whati (&(what->i_]]INST_NAME()[[))
+ m4_ifelse(m4_eval(INST_INVAL() > 0), 1, [[if (fstk->vcnt < INST_INVAL()) runtime("Stack underflow"); fstk->vcnt -= INST_INVAL(); ]])
+ m4_undivert(108)m4_dnl
+ #undef whati
+ break;
+]],
+[[m4_dnl Constructor itself
+struct f_inst *f_new_inst_]]INST_NAME()[[(enum f_instruction_code fi_code
+m4_undivert(102)m4_dnl
+)
+ {
+ /* Allocate the structure */
+ struct f_inst *what = fi_new(fi_code);
+ FID_IFCONST([[uint constargs = 1;]])
+
+ /* Initialize all the members */
+ #define whati (&(what->i_]]INST_NAME()[[))
+ m4_undivert(103)m4_dnl
+
+ /* If not constant, return the instruction itself */
+ FID_IFCONST([[if (!constargs)]])
+ return what;
+
+ /* Try to pre-calculate the result */
+ FID_IFCONST([[m4_undivert(108)]])m4_dnl
+ #undef whati
+ }
+]])
+
+FID_DUMP_CALLER()m4_dnl Case in another big switch used in instruction dumping (debug)
+case INST_NAME(): f_dump_line_item_]]INST_NAME()[[(item, indent + 1); break;
+
+FID_DUMP()m4_dnl The dumper itself
+m4_ifdef([[FID_DUMP_BODY_EXISTS]],
+[[static inline void f_dump_line_item_]]INST_NAME()[[(const struct f_line_item *item_, const int indent)]],
+[[static inline void f_dump_line_item_]]INST_NAME()[[(const struct f_line_item *item UNUSED, const int indent UNUSED)]])
+m4_undefine([[FID_DUMP_BODY_EXISTS]])
+{
+#define item (&(item_->i_]]INST_NAME()[[))
+m4_undivert(104)m4_dnl
+#undef item
+}
+
+FID_LINEARIZE()m4_dnl The linearizer
+case INST_NAME(): {
+#define whati (&(what->i_]]INST_NAME()[[))
+#define item (&(dest->items[pos].i_]]INST_NAME()[[))
+ m4_undivert(105)m4_dnl
+#undef whati
+#undef item
+ dest->items[pos].fi_code = what->fi_code;
+ dest->items[pos].lineno = what->lineno;
+ break;
+}
+
+FID_SAME()m4_dnl This code compares two f_line"s while reconfiguring
+case INST_NAME():
+#define f1 (&(f1_->i_]]INST_NAME()[[))
+#define f2 (&(f2_->i_]]INST_NAME()[[))
+m4_undivert(106)m4_dnl
+#undef f1
+#undef f2
+break;
+
+m4_divert(-1)FID_FLUSH(101,200)m4_dnl And finally this flushes all the unused diversions
+]])')
+
+m4_define(INST, `m4_dnl This macro is called on beginning of each instruction.
+INST_FLUSH()m4_dnl First, old data is flushed
+m4_define([[INST_NAME]], [[$1]])m4_dnl Then we store instruction name,
+m4_define([[INST_INVAL]], [[$2]])m4_dnl instruction input value count
+m4_undefine([[INST_NEVER_CONSTANT]])m4_dnl and reset NEVER_CONSTANT trigger.
+FID_INTERPRET_BODY()m4_dnl By default, every code is interpreter code.
+')
+
+# 3) Final preparation
+#
+# Now we prepare all the code around the global diversions.
+# It must be here, not in m4wrap, as we want M4 to mark the code
+# by #line directives correctly, not to claim that every single line
+# is at the beginning of the m4wrap directive.
+#
+# This part is split by the final file.
+# H for inst-gen.h
+# I for inst-interpret.c
+# C for inst-gen.c
+#
+# So we in cycle:
+# A. open a diversion
+# B. send there some code
+# C. close that diversion
+# D. flush a global diversion
+# E. open another diversion and goto B.
+#
+# Final diversions
+# 200+ completed text before it is flushed to output
+
+# This is a list of output diversions
m4_define(FID_WR_PUT_LIST)
+
+# This macro does the steps C to E, see before.
m4_define(FID_WR_PUT_ALSO, `m4_define([[FID_WR_PUT_LIST]],FID_WR_PUT_LIST()[[FID_WR_DPUT(]]FID_WR_DIDX[[)FID_WR_DPUT(]]$1[[)]])m4_define([[FID_WR_DIDX]],m4_eval(FID_WR_DIDX+1))m4_divert(FID_WR_DIDX)')
+# These macros do the splitting between H/I/C
m4_define(FID_WR_DIRECT, `m4_ifelse(TARGET,[[$1]],[[FID_WR_INIT()]],[[FID_WR_STOP()]])')
m4_define(FID_WR_INIT, `m4_define([[FID_WR_DIDX]],200)m4_define([[FID_WR_PUT]],[[FID_WR_PUT_ALSO($]][[@)]])m4_divert(200)')
m4_define(FID_WR_STOP, `m4_define([[FID_WR_PUT]])m4_divert(-1)')
+# Here is the direct code to be put into the output files
+# together with the undiversions, being hidden under FID_WR_PUT()
+
m4_changequote([[,]])
FID_WR_DIRECT(I)
FID_WR_PUT(3)
@@ -395,7 +509,7 @@ FID_WR_PUT(9)
FID_WR_DIRECT(H)
/* Filter instruction codes */
enum f_instruction_code {
-FID_WR_PUT(4)
+FID_WR_PUT(4)m4_dnl
} PACKED;
/* Filter instruction structure for config */
@@ -405,7 +519,7 @@ struct f_inst {
int size; /* How many instructions are underneath */
int lineno; /* Line number */
union {
- FID_WR_PUT(1)
+FID_WR_PUT(1)m4_dnl
};
};
@@ -415,19 +529,30 @@ struct f_line_item {
enum f_instruction_flags flags; /* Flags, instruction-specific */
uint lineno; /* Where */
union {
- FID_WR_PUT(2)
+FID_WR_PUT(2)m4_dnl
};
};
/* Instruction constructors */
FID_WR_PUT(3)
-
m4_divert(-1)
+
+# 4) Shipout
+#
+# Everything is prepared in FID_WR_PUT_LIST now. Let's go!
+
m4_changequote(`,')
+# Flusher auxiliary macro
m4_define(FID_FLUSH, `m4_ifelse($1,$2,,[[m4_undivert($1)FID_FLUSH(m4_eval($1+1),$2)]])')
+
+# Defining the macro used in FID_WR_PUT_LIST
m4_define(FID_WR_DPUT, `m4_undivert($1)')
+# After the code is read and parsed, we:
m4_m4wrap(`INST_FLUSH()m4_divert(0)FID_WR_PUT_LIST()m4_divert(-1)FID_FLUSH(1,200)')
m4_changequote([[,]])
+# And now M4 is going to parse f-inst.c, fill the diversions
+# and after the file is done, the content of m4_m4wrap (see before)
+# is executed.
diff --git a/filter/f-inst.c b/filter/f-inst.c
index edc97794..8d5c6656 100644
--- a/filter/f-inst.c
+++ b/filter/f-inst.c
@@ -167,13 +167,13 @@
}
whati->f1 = NULL;
}
- FID_ALL
+ FID_INTERPRET_BODY
FID_INTERPRET_EXEC
if (fstk->vcnt < whati->count) /* TODO: make this check systematic */
runtime("Construction of BGP path mask from %u elements must have at least that number of elements", whati->count);
-#define pv fstk->vstk[fstk->vcnt - count + i]
+#define pv fstk->vstk[fstk->vcnt - whati->count + i]
FID_INTERPRET_NEW
#define pv items[i]->i_FI_CONSTANT.val
@@ -198,7 +198,7 @@
FID_INTERPRET_EXEC
fstk->vcnt -= whati->count;
- FID_ALL
+ FID_INTERPRET_BODY
pm->len = whati->count;
RESULT(T_PATH_MASK, path_mask, pm);
@@ -320,11 +320,6 @@
RESULT_VAL(val);
}
- INST(FI_PRINT, 1, 0) {
- NEVER_CONSTANT;
- ARG_ANY(1);
- val_format(&(v1), &fs->buf);
- }
INST(FI_CONDITION, 1, 0) {
ARG(1, T_BOOL);
if (v1.val.i)
@@ -332,28 +327,37 @@
else
LINE(3,1);
}
- INST(FI_PRINT_AND_DIE, 0, 0) {
- NEVER_CONSTANT;
- FID_LINEARIZE_BODY
- {
- uint opos = pos;
- FID_ALL
+ INST(FI_PRINT, 0, 0) {
+ NEVER_CONSTANT;
ARG_ANY(1);
+ FID_MEMBER_IN(uint, count, f1->count != f2->count, number of items %u, item->count);
- FID_LINEARIZE_BODY
- if (opos < pos)
- dest->items[pos].flags |= FIF_PRINTED;
- }
- FID_ALL
+ FID_NEW_BODY
+ uint len = 0;
+ for (const struct f_inst *tt = f1; tt; tt = tt->next, len++)
+ ;
+ whati->count = len;
+
+ FID_INTERPRET_BODY
+
+#define pv fstk->vstk[fstk->vcnt - whati->count + i]
+ if (whati->count)
+ for (uint i=0; i<whati->count; i++)
+ val_format(&(pv), &fs->buf);
+#undef pv
+ fstk->vcnt -= whati->count;
+ }
+
+ INST(FI_DIE, 0, 0) {
+ NEVER_CONSTANT;
FID_MEMBER(enum filter_return, fret, f1->fret != f2->fret, %s, filter_return_str(item->fret));
- if ((fret == F_NOP || (fret != F_NONL && (what->flags & FIF_PRINTED))) &&
- !(fs->flags & FF_SILENT))
+ if (fs->buf.start < fs->buf.pos)
log_commit(*L_INFO, &fs->buf);
- switch (fret) {
+ switch (whati->fret) {
case F_QUITBIRD:
die( "Filter asked me to die" );
case F_ACCEPT:
@@ -361,7 +365,6 @@
case F_ERROR:
case F_REJECT: /* FIXME (noncritical) Should print complete route along with reason to reject route */
return fret; /* We have to return now, no more processing. */
- case F_NONL:
case F_NOP:
break;
default:
@@ -1045,7 +1048,8 @@
INST(FI_ASSERT, 1, 0) { /* Birdtest Assert */
NEVER_CONSTANT;
ARG(1, T_BOOL);
- FID_MEMBER(char *, s, [[strcmp(f1->s, f2->s)]], string \"%s\", item->s);
+
+ FID_MEMBER(char *, s, [[strcmp(f1->s, f2->s)]], string %s, item->s);
ASSERT(s);
diff --git a/filter/f-inst.h b/filter/f-inst.h
index 2a2d050e..58a60f0f 100644
--- a/filter/f-inst.h
+++ b/filter/f-inst.h
@@ -80,8 +80,10 @@ static inline struct f_line *f_linearize(const struct f_inst *root)
void f_dump_line(const struct f_line *, uint indent);
struct filter *f_new_where(struct f_inst *);
-static inline struct f_dynamic_attr f_new_dynamic_attr(u8 type, u8 bit, enum f_type f_type, uint code) /* Type as core knows it, type as filters know it, and code of dynamic attribute */
-{ return (struct f_dynamic_attr) { .type = type, .bit = bit, .f_type = f_type, .ea_code = code }; } /* f_type currently unused; will be handy for static type checking */
+static inline struct f_dynamic_attr f_new_dynamic_attr(u8 type, enum f_type f_type, uint code) /* Type as core knows it, type as filters know it, and code of dynamic attribute */
+{ return (struct f_dynamic_attr) { .type = type, .f_type = f_type, .ea_code = code }; } /* f_type currently unused; will be handy for static type checking */
+static inline struct f_dynamic_attr f_new_dynamic_attr_bit(u8 bit, enum f_type f_type, uint code) /* Type as core knows it, type as filters know it, and code of dynamic attribute */
+{ return (struct f_dynamic_attr) { .type = EAF_TYPE_BITFIELD, .bit = bit, .f_type = f_type, .ea_code = code }; } /* f_type currently unused; will be handy for static type checking */
static inline struct f_static_attr f_new_static_attr(int f_type, int code, int readonly)
{ return (struct f_static_attr) { .f_type = f_type, .sa_code = code, .readonly = readonly }; }
struct f_inst *f_generate_complex(enum f_instruction_code fi_code, struct f_dynamic_attr da, struct f_inst *argument);
diff --git a/filter/f-util.c b/filter/f-util.c
index 4b580fb9..e61949f2 100644
--- a/filter/f-util.c
+++ b/filter/f-util.c
@@ -33,17 +33,17 @@ filter_name(const struct filter *filter)
struct filter *f_new_where(struct f_inst *where)
{
struct f_inst acc = {
- .fi_code = FI_PRINT_AND_DIE,
+ .fi_code = FI_DIE,
.lineno = ifs->lino,
.size = 1,
- .i_FI_PRINT_AND_DIE = { .fret = F_ACCEPT, },
+ .i_FI_DIE = { .fret = F_ACCEPT, },
};
struct f_inst rej = {
- .fi_code = FI_PRINT_AND_DIE,
+ .fi_code = FI_DIE,
.lineno = ifs->lino,
.size = 1,
- .i_FI_PRINT_AND_DIE = { .fret = F_REJECT, },
+ .i_FI_DIE = { .fret = F_REJECT, },
};
struct f_inst i = {
@@ -174,7 +174,7 @@ ca_lookup(pool *p, const char *name, int f_type)
}
cas = mb_allocz(&root_pool, sizeof(struct ca_storage) + strlen(name) + 1);
- cas->fda = f_new_dynamic_attr(ea_type, 0, f_type, EA_CUSTOM(id));
+ cas->fda = f_new_dynamic_attr(ea_type, f_type, EA_CUSTOM(id));
cas->uc = 1;
strcpy(cas->name, name);
diff --git a/filter/filter.c b/filter/filter.c
index ed0b21bc..d9c98872 100644
--- a/filter/filter.c
+++ b/filter/filter.c
@@ -482,3 +482,41 @@ filter_commit(struct config *new, struct config *old)
break;
}
}
+
+void filters_dump_all(void)
+{
+ struct symbol *sym;
+ WALK_LIST(sym, config->symbols) {
+ switch (sym->class) {
+ case SYM_FILTER:
+ debug("Named filter %s:\n", sym->name);
+ f_dump_line(sym->filter->root, 1);
+ break;
+ case SYM_FUNCTION:
+ debug("Function %s:\n", sym->name);
+ f_dump_line(sym->function, 1);
+ break;
+ case SYM_PROTO:
+ {
+ debug("Protocol %s:\n", sym->name);
+ struct channel *c;
+ WALK_LIST(c, sym->proto->proto->channels) {
+ debug(" Channel %s (%s) IMPORT", c->name, net_label[c->net_type]);
+ if (c->in_filter == FILTER_ACCEPT)
+ debug(" ALL\n");
+ else if (c->in_filter == FILTER_REJECT)
+ debug(" NONE\n");
+ else if (c->in_filter == FILTER_UNDEF)
+ debug(" UNDEF\n");
+ else if (c->in_filter->sym) {
+ ASSERT(c->in_filter->sym->filter == c->in_filter);
+ debug(" named filter %s\n", c->in_filter->sym->name);
+ } else {
+ debug("\n");
+ f_dump_line(c->in_filter->root, 2);
+ }
+ }
+ }
+ }
+ }
+}
diff --git a/filter/filter.h b/filter/filter.h
index 36b63e7c..9d997efb 100644
--- a/filter/filter.h
+++ b/filter/filter.h
@@ -64,9 +64,11 @@ int f_same(const struct f_line *f1, const struct f_line *f2);
void filter_commit(struct config *new, struct config *old);
+void filters_dump_all(void);
+
#define FILTER_ACCEPT NULL
-#define FILTER_REJECT ((void *) 1)
-#define FILTER_UNDEF ((void *) 2) /* Used in BGP */
+#define FILTER_REJECT ((struct filter *) 1)
+#define FILTER_UNDEF ((struct filter *) 2) /* Used in BGP */
#define FF_SILENT 2 /* Silent filter execution */
diff --git a/nest/a-path.c b/nest/a-path.c
index 62369af3..a1b7c42f 100644
--- a/nest/a-path.c
+++ b/nest/a-path.c
@@ -271,7 +271,6 @@ as_path_to_old(struct linpool *pool, const struct adata *path)
/*
* Cut the path to the length @num, measured to the usual path metric. Note that
* AS_CONFED_* segments have zero length and must be added if they are on edge.
- * In contrast to other as_path_* functions, @path is modified in place.
*/
struct adata *
as_path_cut(struct linpool *pool, const struct adata *path, uint num)
diff --git a/nest/config.Y b/nest/config.Y
index e4dedc66..e97b8fb3 100644
--- a/nest/config.Y
+++ b/nest/config.Y
@@ -731,6 +731,8 @@ CF_CLI(DUMP ROUTES,,, [[Dump routing table]])
{ rt_dump_all(); cli_msg(0, ""); } ;
CF_CLI(DUMP PROTOCOLS,,, [[Dump protocol information]])
{ protos_dump_all(); cli_msg(0, ""); } ;
+CF_CLI(DUMP FILTER ALL,,, [[Dump all filters in linearized form]])
+{ filters_dump_all(); cli_msg(0, ""); } ;
CF_CLI(EVAL, term, <expr>, [[Evaluate an expression]])
{ cmd_eval(f_linearize($2)); } ;
@@ -791,7 +793,7 @@ proto_patt2:
| TEXT { $$.ptr = $1; $$.patt = 1; }
;
-dynamic_attr: IGP_METRIC { $$ = f_new_dynamic_attr(EAF_TYPE_INT, 0, T_INT, EA_GEN_IGP_METRIC); } ;
+dynamic_attr: IGP_METRIC { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_GEN_IGP_METRIC); } ;
CF_CODE
diff --git a/proto/babel/config.Y b/proto/babel/config.Y
index 78175323..b6bc70fa 100644
--- a/proto/babel/config.Y
+++ b/proto/babel/config.Y
@@ -125,7 +125,7 @@ babel_iface_opt_list:
babel_iface:
babel_iface_start iface_patt_list_nopx babel_iface_opt_list babel_iface_finish;
-dynamic_attr: BABEL_METRIC { $$ = f_new_dynamic_attr(EAF_TYPE_INT, 0, T_INT, EA_BABEL_METRIC); } ;
+dynamic_attr: BABEL_METRIC { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_BABEL_METRIC); } ;
CF_CLI_HELP(SHOW BABEL, ..., [[Show information about Babel protocol]]);
diff --git a/proto/bgp/config.Y b/proto/bgp/config.Y
index f9e5efaf..ac8d024a 100644
--- a/proto/bgp/config.Y
+++ b/proto/bgp/config.Y
@@ -272,29 +272,29 @@ bgp_proto_channel: bgp_channel_start bgp_channel_opt_list bgp_channel_end;
dynamic_attr: BGP_ORIGIN
- { $$ = f_new_dynamic_attr(EAF_TYPE_INT, 0, T_ENUM_BGP_ORIGIN, EA_CODE(PROTOCOL_BGP, BA_ORIGIN)); } ;
+ { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_ENUM_BGP_ORIGIN, EA_CODE(PROTOCOL_BGP, BA_ORIGIN)); } ;
dynamic_attr: BGP_PATH
- { $$ = f_new_dynamic_attr(EAF_TYPE_AS_PATH, 0, T_PATH, EA_CODE(PROTOCOL_BGP, BA_AS_PATH)); } ;
+ { $$ = f_new_dynamic_attr(EAF_TYPE_AS_PATH, T_PATH, EA_CODE(PROTOCOL_BGP, BA_AS_PATH)); } ;
dynamic_attr: BGP_NEXT_HOP
- { $$ = f_new_dynamic_attr(EAF_TYPE_IP_ADDRESS, 0, T_IP, EA_CODE(PROTOCOL_BGP, BA_NEXT_HOP)); } ;
+ { $$ = f_new_dynamic_attr(EAF_TYPE_IP_ADDRESS, T_IP, EA_CODE(PROTOCOL_BGP, BA_NEXT_HOP)); } ;
dynamic_attr: BGP_MED
- { $$ = f_new_dynamic_attr(EAF_TYPE_INT, 0, T_INT, EA_CODE(PROTOCOL_BGP, BA_MULTI_EXIT_DISC)); } ;
+ { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_CODE(PROTOCOL_BGP, BA_MULTI_EXIT_DISC)); } ;
dynamic_attr: BGP_LOCAL_PREF
- { $$ = f_new_dynamic_attr(EAF_TYPE_INT, 0, T_INT, EA_CODE(PROTOCOL_BGP, BA_LOCAL_PREF)); } ;
+ { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_CODE(PROTOCOL_BGP, BA_LOCAL_PREF)); } ;
dynamic_attr: BGP_ATOMIC_AGGR
- { $$ = f_new_dynamic_attr(EAF_TYPE_OPAQUE, 0, T_ENUM_EMPTY, EA_CODE(PROTOCOL_BGP, BA_ATOMIC_AGGR)); } ;
+ { $$ = f_new_dynamic_attr(EAF_TYPE_OPAQUE, T_ENUM_EMPTY, EA_CODE(PROTOCOL_BGP, BA_ATOMIC_AGGR)); } ;
dynamic_attr: BGP_AGGREGATOR
- { $$ = f_new_dynamic_attr(EAF_TYPE_INT, 0, T_INT, EA_CODE(PROTOCOL_BGP, BA_AGGREGATOR)); } ;
+ { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_CODE(PROTOCOL_BGP, BA_AGGREGATOR)); } ;
dynamic_attr: BGP_COMMUNITY
- { $$ = f_new_dynamic_attr(EAF_TYPE_INT_SET, 0, T_CLIST, EA_CODE(PROTOCOL_BGP, BA_COMMUNITY)); } ;
+ { $$ = f_new_dynamic_attr(EAF_TYPE_INT_SET, T_CLIST, EA_CODE(PROTOCOL_BGP, BA_COMMUNITY)); } ;
dynamic_attr: BGP_ORIGINATOR_ID
- { $$ = f_new_dynamic_attr(EAF_TYPE_ROUTER_ID, 0, T_QUAD, EA_CODE(PROTOCOL_BGP, BA_ORIGINATOR_ID)); } ;
+ { $$ = f_new_dynamic_attr(EAF_TYPE_ROUTER_ID, T_QUAD, EA_CODE(PROTOCOL_BGP, BA_ORIGINATOR_ID)); } ;
dynamic_attr: BGP_CLUSTER_LIST
- { $$ = f_new_dynamic_attr(EAF_TYPE_INT_SET, 0, T_CLIST, EA_CODE(PROTOCOL_BGP, BA_CLUSTER_LIST)); } ;
+ { $$ = f_new_dynamic_attr(EAF_TYPE_INT_SET, T_CLIST, EA_CODE(PROTOCOL_BGP, BA_CLUSTER_LIST)); } ;
dynamic_attr: BGP_EXT_COMMUNITY
- { $$ = f_new_dynamic_attr(EAF_TYPE_EC_SET, 0, T_ECLIST, EA_CODE(PROTOCOL_BGP, BA_EXT_COMMUNITY)); } ;
+ { $$ = f_new_dynamic_attr(EAF_TYPE_EC_SET, T_ECLIST, EA_CODE(PROTOCOL_BGP, BA_EXT_COMMUNITY)); } ;
dynamic_attr: BGP_LARGE_COMMUNITY
- { $$ = f_new_dynamic_attr(EAF_TYPE_LC_SET, 0, T_LCLIST, EA_CODE(PROTOCOL_BGP, BA_LARGE_COMMUNITY)); } ;
+ { $$ = f_new_dynamic_attr(EAF_TYPE_LC_SET, T_LCLIST, EA_CODE(PROTOCOL_BGP, BA_LARGE_COMMUNITY)); } ;
diff --git a/proto/ospf/config.Y b/proto/ospf/config.Y
index 66cf60c1..2e9ed0ac 100644
--- a/proto/ospf/config.Y
+++ b/proto/ospf/config.Y
@@ -498,10 +498,10 @@ ospf_iface:
ospf_iface_start ospf_iface_patt_list ospf_iface_opt_list { ospf_iface_finish(); }
;
-dynamic_attr: OSPF_METRIC1 { $$ = f_new_dynamic_attr(EAF_TYPE_INT, 0, T_INT, EA_OSPF_METRIC1); } ;
-dynamic_attr: OSPF_METRIC2 { $$ = f_new_dynamic_attr(EAF_TYPE_INT, 0, T_INT, EA_OSPF_METRIC2); } ;
-dynamic_attr: OSPF_TAG { $$ = f_new_dynamic_attr(EAF_TYPE_INT, 0, T_INT, EA_OSPF_TAG); } ;
-dynamic_attr: OSPF_ROUTER_ID { $$ = f_new_dynamic_attr(EAF_TYPE_ROUTER_ID, 0, T_QUAD, EA_OSPF_ROUTER_ID); } ;
+dynamic_attr: OSPF_METRIC1 { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_OSPF_METRIC1); } ;
+dynamic_attr: OSPF_METRIC2 { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_OSPF_METRIC2); } ;
+dynamic_attr: OSPF_TAG { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_OSPF_TAG); } ;
+dynamic_attr: OSPF_ROUTER_ID { $$ = f_new_dynamic_attr(EAF_TYPE_ROUTER_ID, T_QUAD, EA_OSPF_ROUTER_ID); } ;
CF_CLI_HELP(SHOW OSPF, ..., [[Show information about OSPF protocol]]);
CF_CLI(SHOW OSPF, optproto, [<name>], [[Show information about OSPF protocol]])
diff --git a/proto/radv/config.Y b/proto/radv/config.Y
index b8eeb439..53715f77 100644
--- a/proto/radv/config.Y
+++ b/proto/radv/config.Y
@@ -332,8 +332,8 @@ radv_sensitive:
| SENSITIVE bool { $$ = $2; }
;
-dynamic_attr: RA_PREFERENCE { $$ = f_new_dynamic_attr(EAF_TYPE_INT, 0, T_ENUM_RA_PREFERENCE, EA_RA_PREFERENCE); } ;
-dynamic_attr: RA_LIFETIME { $$ = f_new_dynamic_attr(EAF_TYPE_INT, 0, T_INT, EA_RA_LIFETIME); } ;
+dynamic_attr: RA_PREFERENCE { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_ENUM_RA_PREFERENCE, EA_RA_PREFERENCE); } ;
+dynamic_attr: RA_LIFETIME { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_RA_LIFETIME); } ;
CF_CODE
diff --git a/proto/rip/config.Y b/proto/rip/config.Y
index 4ab793d1..5b5f94a0 100644
--- a/proto/rip/config.Y
+++ b/proto/rip/config.Y
@@ -186,8 +186,8 @@ rip_iface:
rip_iface_start iface_patt_list_nopx rip_iface_opt_list rip_iface_finish;
-dynamic_attr: RIP_METRIC { $$ = f_new_dynamic_attr(EAF_TYPE_INT, 0, T_INT, EA_RIP_METRIC); } ;
-dynamic_attr: RIP_TAG { $$ = f_new_dynamic_attr(EAF_TYPE_INT, 0, T_INT, EA_RIP_TAG); } ;
+dynamic_attr: RIP_METRIC { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_RIP_METRIC); } ;
+dynamic_attr: RIP_TAG { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_RIP_TAG); } ;
CF_CLI_HELP(SHOW RIP, ..., [[Show information about RIP protocol]]);
diff --git a/sysdep/linux/netlink.Y b/sysdep/linux/netlink.Y
index 8f0a91c1..7097f577 100644
--- a/sysdep/linux/netlink.Y
+++ b/sysdep/linux/netlink.Y
@@ -26,39 +26,39 @@ kern_sys_item:
| METRIC expr { THIS_KRT->sys.metric = $2; }
;
-dynamic_attr: KRT_PREFSRC { $$ = f_new_dynamic_attr(EAF_TYPE_IP_ADDRESS, 0, T_IP, EA_KRT_PREFSRC); } ;
-dynamic_attr: KRT_REALM { $$ = f_new_dynamic_attr(EAF_TYPE_INT, 0, T_INT, EA_KRT_REALM); } ;
-dynamic_attr: KRT_SCOPE { $$ = f_new_dynamic_attr(EAF_TYPE_INT, 0, T_INT, EA_KRT_SCOPE); } ;
+dynamic_attr: KRT_PREFSRC { $$ = f_new_dynamic_attr(EAF_TYPE_IP_ADDRESS, T_IP, EA_KRT_PREFSRC); } ;
+dynamic_attr: KRT_REALM { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_KRT_REALM); } ;
+dynamic_attr: KRT_SCOPE { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_KRT_SCOPE); } ;
-dynamic_attr: KRT_MTU { $$ = f_new_dynamic_attr(EAF_TYPE_INT, 0, T_INT, EA_KRT_MTU); } ;
-dynamic_attr: KRT_WINDOW { $$ = f_new_dynamic_attr(EAF_TYPE_INT, 0, T_INT, EA_KRT_WINDOW); } ;
-dynamic_attr: KRT_RTT { $$ = f_new_dynamic_attr(EAF_TYPE_INT, 0, T_INT, EA_KRT_RTT); } ;
-dynamic_attr: KRT_RTTVAR { $$ = f_new_dynamic_attr(EAF_TYPE_INT, 0, T_INT, EA_KRT_RTTVAR); } ;
-dynamic_attr: KRT_SSTRESH { $$ = f_new_dynamic_attr(EAF_TYPE_INT, 0, T_INT, EA_KRT_SSTRESH); } ;
-dynamic_attr: KRT_CWND { $$ = f_new_dynamic_attr(EAF_TYPE_INT, 0, T_INT, EA_KRT_CWND); } ;
-dynamic_attr: KRT_ADVMSS { $$ = f_new_dynamic_attr(EAF_TYPE_INT, 0, T_INT, EA_KRT_ADVMSS); } ;
-dynamic_attr: KRT_REORDERING { $$ = f_new_dynamic_attr(EAF_TYPE_INT, 0, T_INT, EA_KRT_REORDERING); } ;
-dynamic_attr: KRT_HOPLIMIT { $$ = f_new_dynamic_attr(EAF_TYPE_INT, 0, T_INT, EA_KRT_HOPLIMIT); } ;
-dynamic_attr: KRT_INITCWND { $$ = f_new_dynamic_attr(EAF_TYPE_INT, 0, T_INT, EA_KRT_INITCWND); } ;
-dynamic_attr: KRT_RTO_MIN { $$ = f_new_dynamic_attr(EAF_TYPE_INT, 0, T_INT, EA_KRT_RTO_MIN); } ;
-dynamic_attr: KRT_INITRWND { $$ = f_new_dynamic_attr(EAF_TYPE_INT, 0, T_INT, EA_KRT_INITRWND); } ;
-dynamic_attr: KRT_QUICKACK { $$ = f_new_dynamic_attr(EAF_TYPE_INT, 0, T_INT, EA_KRT_QUICKACK); } ;
+dynamic_attr: KRT_MTU { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_KRT_MTU); } ;
+dynamic_attr: KRT_WINDOW { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_KRT_WINDOW); } ;
+dynamic_attr: KRT_RTT { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_KRT_RTT); } ;
+dynamic_attr: KRT_RTTVAR { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_KRT_RTTVAR); } ;
+dynamic_attr: KRT_SSTRESH { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_KRT_SSTRESH); } ;
+dynamic_attr: KRT_CWND { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_KRT_CWND); } ;
+dynamic_attr: KRT_ADVMSS { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_KRT_ADVMSS); } ;
+dynamic_attr: KRT_REORDERING { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_KRT_REORDERING); } ;
+dynamic_attr: KRT_HOPLIMIT { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_KRT_HOPLIMIT); } ;
+dynamic_attr: KRT_INITCWND { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_KRT_INITCWND); } ;
+dynamic_attr: KRT_RTO_MIN { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_KRT_RTO_MIN); } ;
+dynamic_attr: KRT_INITRWND { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_KRT_INITRWND); } ;
+dynamic_attr: KRT_QUICKACK { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_KRT_QUICKACK); } ;
/* Bits of EA_KRT_LOCK, based on RTAX_* constants */
-dynamic_attr: KRT_LOCK_MTU { $$ = f_new_dynamic_attr(EAF_TYPE_BITFIELD, 2, T_BOOL, EA_KRT_LOCK); } ;
-dynamic_attr: KRT_LOCK_WINDOW { $$ = f_new_dynamic_attr(EAF_TYPE_BITFIELD, 3, T_BOOL, EA_KRT_LOCK); } ;
-dynamic_attr: KRT_LOCK_RTT { $$ = f_new_dynamic_attr(EAF_TYPE_BITFIELD, 4, T_BOOL, EA_KRT_LOCK); } ;
-dynamic_attr: KRT_LOCK_RTTVAR { $$ = f_new_dynamic_attr(EAF_TYPE_BITFIELD, 5, T_BOOL, EA_KRT_LOCK); } ;
-dynamic_attr: KRT_LOCK_SSTRESH { $$ = f_new_dynamic_attr(EAF_TYPE_BITFIELD, 6, T_BOOL, EA_KRT_LOCK); } ;
-dynamic_attr: KRT_LOCK_CWND { $$ = f_new_dynamic_attr(EAF_TYPE_BITFIELD, 7, T_BOOL, EA_KRT_LOCK); } ;
-dynamic_attr: KRT_LOCK_ADVMSS { $$ = f_new_dynamic_attr(EAF_TYPE_BITFIELD, 8, T_BOOL, EA_KRT_LOCK); } ;
-dynamic_attr: KRT_LOCK_REORDERING { $$ = f_new_dynamic_attr(EAF_TYPE_BITFIELD, 9, T_BOOL, EA_KRT_LOCK); } ;
-dynamic_attr: KRT_LOCK_HOPLIMIT { $$ = f_new_dynamic_attr(EAF_TYPE_BITFIELD, 10, T_BOOL, EA_KRT_LOCK); } ;
-dynamic_attr: KRT_LOCK_RTO_MIN { $$ = f_new_dynamic_attr(EAF_TYPE_BITFIELD, 13, T_BOOL, EA_KRT_LOCK); } ;
+dynamic_attr: KRT_LOCK_MTU { $$ = f_new_dynamic_attr_bit(2, T_BOOL, EA_KRT_LOCK); } ;
+dynamic_attr: KRT_LOCK_WINDOW { $$ = f_new_dynamic_attr_bit(3, T_BOOL, EA_KRT_LOCK); } ;
+dynamic_attr: KRT_LOCK_RTT { $$ = f_new_dynamic_attr_bit(4, T_BOOL, EA_KRT_LOCK); } ;
+dynamic_attr: KRT_LOCK_RTTVAR { $$ = f_new_dynamic_attr_bit(5, T_BOOL, EA_KRT_LOCK); } ;
+dynamic_attr: KRT_LOCK_SSTRESH { $$ = f_new_dynamic_attr_bit(6, T_BOOL, EA_KRT_LOCK); } ;
+dynamic_attr: KRT_LOCK_CWND { $$ = f_new_dynamic_attr_bit(7, T_BOOL, EA_KRT_LOCK); } ;
+dynamic_attr: KRT_LOCK_ADVMSS { $$ = f_new_dynamic_attr_bit(8, T_BOOL, EA_KRT_LOCK); } ;
+dynamic_attr: KRT_LOCK_REORDERING { $$ = f_new_dynamic_attr_bit(9, T_BOOL, EA_KRT_LOCK); } ;
+dynamic_attr: KRT_LOCK_HOPLIMIT { $$ = f_new_dynamic_attr_bit(10, T_BOOL, EA_KRT_LOCK); } ;
+dynamic_attr: KRT_LOCK_RTO_MIN { $$ = f_new_dynamic_attr_bit(13, T_BOOL, EA_KRT_LOCK); } ;
-dynamic_attr: KRT_FEATURE_ECN { $$ = f_new_dynamic_attr(EAF_TYPE_BITFIELD, 0, T_BOOL, EA_KRT_FEATURES); } ;
-dynamic_attr: KRT_FEATURE_ALLFRAG { $$ = f_new_dynamic_attr(EAF_TYPE_BITFIELD, 3, T_BOOL, EA_KRT_FEATURES); } ;
+dynamic_attr: KRT_FEATURE_ECN { $$ = f_new_dynamic_attr_bit(0, T_BOOL, EA_KRT_FEATURES); } ;
+dynamic_attr: KRT_FEATURE_ALLFRAG { $$ = f_new_dynamic_attr(3, T_BOOL, EA_KRT_FEATURES); } ;
CF_CODE
diff --git a/sysdep/unix/krt.Y b/sysdep/unix/krt.Y
index e3f6271c..95b54d65 100644
--- a/sysdep/unix/krt.Y
+++ b/sysdep/unix/krt.Y
@@ -122,8 +122,8 @@ kif_iface:
kif_iface_start iface_patt_list_nopx kif_iface_opt_list;
-dynamic_attr: KRT_SOURCE { $$ = f_new_dynamic_attr(EAF_TYPE_INT, 0, T_INT, EA_KRT_SOURCE); } ;
-dynamic_attr: KRT_METRIC { $$ = f_new_dynamic_attr(EAF_TYPE_INT, 0, T_INT, EA_KRT_METRIC); } ;
+dynamic_attr: KRT_SOURCE { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_KRT_SOURCE); } ;
+dynamic_attr: KRT_METRIC { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_KRT_METRIC); } ;
CF_CODE