104 lines
1.4 KiB
Plaintext
104 lines
1.4 KiB
Plaintext
%{
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#include <netlink-local.h>
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#include <netlink-tc.h>
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#include <netlink/netlink.h>
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#include <netlink/utils.h>
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#include <netlink/route/pktloc.h>
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%}
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%locations
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%error-verbose
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%define api.pure
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%name-prefix "pktloc_"
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%parse-param {void *scanner}
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%lex-param {void *scanner}
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%expect 1
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%union {
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struct rtnl_pktloc *l;
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uint32_t i;
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char *s;
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}
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%{
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extern int pktloc_lex(YYSTYPE *, YYLTYPE *, void *);
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static void yyerror(YYLTYPE *locp, void *scanner, const char *msg)
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{
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NL_DBG(1, "Error while parsing packet location file: %s\n", msg);
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}
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%}
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%token <i> ERROR NUMBER LAYER ALIGN
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%token <s> NAME
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%type <i> mask layer align shift
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%type <l> location
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%destructor { free($$); } NAME
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%start input
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%%
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input:
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/* empty */
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| location input
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;
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location:
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NAME align layer NUMBER mask shift
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{
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struct rtnl_pktloc *loc;
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if (!(loc = rtnl_pktloc_alloc())) {
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NL_DBG(1, "Allocating a packet location "
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"object failed.\n");
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YYABORT;
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}
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loc->name = $1;
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loc->align = $2;
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loc->layer = $3;
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loc->offset = $4;
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loc->mask = $5;
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loc->shift = $6;
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if (rtnl_pktloc_add(loc) < 0) {
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NL_DBG(1, "Duplicate packet location entry "
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"\"%s\"\n", $1);
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}
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$$ = loc;
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}
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;
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align:
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ALIGN
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{ $$ = $1; }
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| NUMBER
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{ $$ = $1; }
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;
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layer:
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/* empty */
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{ $$ = TCF_LAYER_NETWORK; }
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| LAYER '+'
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{ $$ = $1; }
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;
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mask:
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/* empty */
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{ $$ = 0; }
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| NUMBER
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{ $$ = $1; }
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;
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shift:
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/* empty */
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{ $$ = 0; }
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| NUMBER
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{ $$ = $1; }
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;
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