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|
%{
#include <netlink-local.h>
#include <netlink-tc.h>
#include <netlink/netlink.h>
#include <netlink/utils.h>
#include <netlink/route/pktloc.h>
%}
%locations
%error-verbose
%define api.pure
%name-prefix "pktloc_"
%parse-param {void *scanner}
%lex-param {void *scanner}
%union {
struct rtnl_pktloc *l;
uint32_t i;
char *s;
}
%{
extern int pktloc_lex(YYSTYPE *, YYLTYPE *, void *);
extern void rtnl_pktloc_add(struct rtnl_pktloc *);
static void yyerror(YYLTYPE *locp, void *scanner, const char *msg)
{
/* FIXME */
}
%}
%token <i> ERROR NUMBER LAYER
%token <s> NAME
%type <i> mask layer
%type <l> location
%destructor { free($$); } NAME
%start input
%%
input:
def
{ }
;
def:
/* empty */
{ }
| location def
{ }
;
location:
NAME NAME layer NUMBER mask
{
struct rtnl_pktloc *loc;
if (!(loc = calloc(1, sizeof(*loc)))) {
/* FIXME */
}
if (!strcasecmp($2, "u8"))
loc->align = TCF_EM_ALIGN_U8;
else if (!strcasecmp($2, "h8")) {
loc->align = TCF_EM_ALIGN_U8;
loc->flags = TCF_EM_CMP_TRANS;
} else if (!strcasecmp($2, "u16"))
loc->align = TCF_EM_ALIGN_U16;
else if (!strcasecmp($2, "h16")) {
loc->align = TCF_EM_ALIGN_U16;
loc->flags = TCF_EM_CMP_TRANS;
} else if (!strcasecmp($2, "u32"))
loc->align = TCF_EM_ALIGN_U32;
else if (!strcasecmp($2, "h32")) {
loc->align = TCF_EM_ALIGN_U32;
loc->flags = TCF_EM_CMP_TRANS;
}
free($2);
loc->name = $1;
loc->layer = $3;
loc->offset = $4;
loc->mask = $5;
rtnl_pktloc_add(loc);
$$ = loc;
}
;
layer:
/* empty */
{ $$ = TCF_LAYER_NETWORK; }
| LAYER '+'
{ $$ = $1; }
;
mask:
/* empty */
{ $$ = 0; }
| NUMBER
{ $$ = $1; }
;
|