static int
FRMR_error(struct PStack *st, struct sk_buff *skb)
{
int headers = l2addrsize(&st->l2) + 1;
u_char *datap = skb->data + headers;
int rsp = *skb->data & 0x2;
if (test_bit(FLG_ORIG, &st->l2.flag))
rsp = !rsp;
if (!rsp)
return 'L';
if (test_bit(FLG_MOD128, &st->l2.flag)) {
if (skb->len < headers + 5)
return 'N';
else
l2m_debug(&st->l2.l2m, "FRMR information %2x %2x %2x %2x %2x",
datap[0], datap[1], datap[2],
datap[3], datap[4]);
} else {
if (skb->len < headers + 3)
return 'N';
else
l2m_debug(&st->l2.l2m, "FRMR information %2x %2x %2x",
datap[0], datap[1], datap[2]);
}
return 0;
}
static int
super_error(struct layer2 *l2, struct sk_buff *skb)
{
if (skb->len != l2addrsize(l2) +
(test_bit(FLG_MOD128, &l2->flag) ? 2 : 1))
return 'N';
return 0;
}
int
super_error(layer2_t *l2, msg_t *msg)
{
if (msg->len != l2addrsize(l2) +
(test_bit(FLG_MOD128, &l2->flag) ? 2 : 1))
return 'N';
return 0;
}
static int
super_error(struct PStack *st, struct sk_buff *skb)
{
if (skb->len != l2addrsize(&st->l2) +
(test_bit(FLG_MOD128, &st->l2.flag) ? 2 : 1))
return 'N';
return 0;
}
static int
UI_error(struct layer2 *l2, struct sk_buff *skb)
{
int rsp = *skb->data & 0x2;
if (test_bit(FLG_ORIG, &l2->flag))
rsp = !rsp;
if (rsp)
return 'L';
if (skb->len > l2->maxlen + l2addrsize(l2) + 1)
return 'O';
return 0;
}
static int
unnum_error(struct layer2 *l2, struct sk_buff *skb, int wantrsp)
{
int rsp = (*skb->data & 0x2) >> 1;
if (test_bit(FLG_ORIG, &l2->flag))
rsp = !rsp;
if (rsp != wantrsp)
return 'L';
if (skb->len != l2addrsize(l2) + 1)
return 'N';
return 0;
}
int
UI_error(layer2_t *l2, msg_t *msg)
{
int rsp = *msg->data & 0x2;
if (test_bit(FLG_ORIG, &l2->flag))
rsp = !rsp;
if (rsp)
return 'L';
if (msg->len > l2->maxlen + l2addrsize(l2) + 1)
return 'O';
return 0;
}
int
unnum_error(layer2_t *l2, msg_t *msg, int wantrsp)
{
int rsp = (*msg->data & 0x2) >> 1;
if (test_bit(FLG_ORIG, &l2->flag))
rsp = !rsp;
if (rsp != wantrsp)
return 'L';
if (msg->len != l2addrsize(l2) + 1)
return 'N';
return 0;
}
static int
UI_error(struct PStack *st, struct sk_buff *skb)
{
int rsp = *skb->data & 0x2;
if (test_bit(FLG_ORIG, &st->l2.flag))
rsp = !rsp;
if (rsp)
return 'L';
if (skb->len > st->l2.maxlen + l2addrsize(&st->l2) + 1)
return 'O';
return 0;
}
static int
unnum_error(struct PStack *st, struct sk_buff *skb, int wantrsp)
{
int rsp = (*skb->data & 0x2) >> 1;
if (test_bit(FLG_ORIG, &st->l2.flag))
rsp = !rsp;
if (rsp != wantrsp)
return 'L';
if (skb->len != l2addrsize(&st->l2) + 1)
return 'N';
return 0;
}
int
iframe_error(layer2_t *l2, msg_t *msg)
{
int i = l2addrsize(l2) + (test_bit(FLG_MOD128, &l2->flag) ? 2 : 1);
int rsp = *msg->data & 0x2;
if (test_bit(FLG_ORIG, &l2->flag))
rsp = !rsp;
if (rsp)
return 'L';
if (msg->len < i)
return 'N';
if ((msg->len - i) > l2->maxlen)
return 'O';
return 0;
}
static int
iframe_error(struct layer2 *l2, struct sk_buff *skb)
{
u_int i;
int rsp = *skb->data & 0x2;
i = l2addrsize(l2) + (test_bit(FLG_MOD128, &l2->flag) ? 2 : 1);
if (test_bit(FLG_ORIG, &l2->flag))
rsp = !rsp;
if (rsp)
return 'L';
if (skb->len < i)
return 'N';
if ((skb->len - i) > l2->maxlen)
return 'O';
return 0;
}
static int
iframe_error(struct PStack *st, struct sk_buff *skb)
{
int i = l2addrsize(&st->l2) + (test_bit(FLG_MOD128, &st->l2.flag) ? 2 : 1);
int rsp = *skb->data & 0x2;
if (test_bit(FLG_ORIG, &st->l2.flag))
rsp = !rsp;
if (rsp)
return 'L';
if (skb->len < i)
return 'N';
if ((skb->len - i) > st->l2.maxlen)
return 'O';
return 0;
}
inline u_char
get_PollFlag(struct layer2 *l2, struct sk_buff *skb)
{
return skb->data[l2addrsize(l2)] & 0x10;
}
static inline u_char
get_PollFlag(struct PStack * st, struct sk_buff * skb)
{
return (skb->data[l2addrsize(&(st->l2))] & 0x10);
}
inline u_char
get_PollFlag(layer2_t *l2, msg_t * msg)
{
return (msg->data[l2addrsize(l2)] & 0x10);
}