static int
otlv_print(netdissect_options *ndo,
const struct forces_tlv *otlv, u_int16_t op_msk _U_, int indent)
{
int rc = 0;
register const u_char *dp = (u_char *) TLV_DATA(otlv);
u_int16_t type;
int tll;
char *ib = indent_pr(indent, 0);
const struct optlv_h *ops;
/*
* lfbselect_print() has ensured that EXTRACT_16BITS(&otlv->length)
* >= TLV_HDRL.
*/
ND_TCHECK(*otlv);
type = EXTRACT_16BITS(&otlv->type);
tll = EXTRACT_16BITS(&otlv->length) - TLV_HDRL;
ops = get_forces_optlv_h(type);
if (ndo->ndo_vflag >= 3) {
ND_PRINT((ndo, "%sOper TLV %s(0x%x) length %d\n", ib, ops->s, type,
EXTRACT_16BITS(&otlv->length)));
}
/* empty TLVs like COMMIT and TRCOMMIT are empty, we stop here .. */
if (!ops->flags & ZERO_TTLV) {
if (tll != 0) /* instead of "if (tll)" - for readability .. */
ND_PRINT((ndo, "%s: Illegal - MUST be empty\n", ops->s));
return rc;
}
/* rest of ops must at least have 12B {pathinfo} */
if (tll < OP_MIN_SIZ) {
ND_PRINT((ndo, "\t\tOper TLV %s(0x%x) length %d\n", ops->s, type,
EXTRACT_16BITS(&otlv->length)));
ND_PRINT((ndo, "\t\tTruncated data size %d minimum required %d\n", tll,
OP_MIN_SIZ));
return invoptlv_print(ndo, dp, tll, ops->op_msk, indent);
}
rc = ops->print(ndo, dp, tll, ops->op_msk, indent + 1);
return rc;
trunc:
ND_PRINT((ndo, "%s", tstr));
return -1;
}
static int
otlv_print(netdissect_options *ndo,
const struct forces_tlv *otlv, uint16_t op_msk _U_, int indent)
{
int rc = 0;
register const u_char *dp = (u_char *) TLV_DATA(otlv);
uint16_t type;
int tll;
char *ib = indent_pr(indent, 0);
const struct optlv_h *ops;
/*
* lfbselect_print() has ensured that EXTRACT_16BITS(&otlv->length)
* >= TLV_HDRL.
*/
ND_TCHECK(*otlv);
type = EXTRACT_16BITS(&otlv->type);
tll = EXTRACT_16BITS(&otlv->length) - TLV_HDRL;
ops = get_forces_optlv_h(type);
if (ndo->ndo_vflag >= 3) {
ND_PRINT((ndo, "%sOper TLV %s(0x%x) length %d\n", ib, ops->s, type,
EXTRACT_16BITS(&otlv->length)));
}
/* rest of ops must at least have 12B {pathinfo} */
if (tll < OP_MIN_SIZ) {
ND_PRINT((ndo, "\t\tOper TLV %s(0x%x) length %d\n", ops->s, type,
EXTRACT_16BITS(&otlv->length)));
ND_PRINT((ndo, "\t\tTruncated data size %d minimum required %d\n", tll,
OP_MIN_SIZ));
return invoptlv_print(ndo, dp, tll, ops->op_msk, indent);
}
/* XXX - do anything with ops->flags? */
if(ops->print) {
rc = ops->print(ndo, dp, tll, ops->op_msk, indent + 1);
}
return rc;
trunc:
ND_PRINT((ndo, "%s", tstr));
return -1;
}
