static int
ex_pccard_silicom_cb(const struct pccard_tuple *tuple, void *arg)
{
u_char *enaddr = arg;
int i;
if (tuple->code != CISTPL_FUNCE)
return (0);
if (tuple->length != 15)
return (0);
if (pccard_tuple_read_1(tuple, 6) != 6)
return (0);
for (i = 0; i < 6; i++)
enaddr[i] = pccard_tuple_read_1(tuple, 7 + i);
return (1);
}
static int
pccard_build_cis(const struct pccard_tuple *tuple, void *argp)
{
struct cis_buffer *cis;
int i;
uint8_t ch;
cis = (struct cis_buffer *)argp;
/*
* CISTPL_END is a special case, it has no length field.
*/
if (tuple->code == CISTPL_END) {
if (cis->len + 1 > sizeof(cis->buffer))
return (ENOSPC);
cis->buffer[cis->len++] = tuple->code;
return (0);
}
if (cis->len + 2 + tuple->length > sizeof(cis->buffer))
return (ENOSPC);
cis->buffer[cis->len++] = tuple->code;
cis->buffer[cis->len++] = tuple->length;
for (i = 0; i < tuple->length; i++) {
ch = pccard_tuple_read_1(tuple, i);
cis->buffer[cis->len++] = ch;
}
return (0);
}
static int
fe_pccard_xircom_mac(const struct pccard_tuple *tuple, void *argp)
{
uint8_t *enaddr = argp;
int i;
#if 1
/*
* We fail to map the CIS twice, for reasons unknown. We
* may fix this in the future by loading the CIS with a sane
* CIS from userland.
*/
static uint8_t defaultmac[ETHER_ADDR_LEN] = {
0x00, 0x80, 0xc7, 0xed, 0x16, 0x7b
};
/* Copy the MAC ADDR and return success */
for (i = 0; i < ETHER_ADDR_LEN; i++)
enaddr[i] = defaultmac[i];
#else
/* FUNCE is not after FUNCID, so we gotta go find it */
if (tuple->code != 0x22)
return (0);
/* Make sure this is a sane node */
if (tuple->length < ETHER_ADDR_LEN + 3)
return (0);
/* Copy the MAC ADDR and return success */
for (i = 0; i < ETHER_ADDR_LEN; i++)
enaddr[i] = pccard_tuple_read_1(tuple, i + 3);
#endif
return (1);
}
static int
ep_pccard_mac(const struct pccard_tuple *tuple, void *argp)
{
uint8_t *enaddr = argp;
int i;
/* Code 0x88 is 3com's special cis node contianing the MAC */
if (tuple->code != 0x88)
return (0);
/* Make sure this is a sane node */
if (tuple->length < ETHER_ADDR_LEN)
return (0);
/* Copy the MAC ADDR and return success */
for (i = 0; i < ETHER_ADDR_LEN; i += 2) {
enaddr[i] = pccard_tuple_read_1(tuple, i + 1);
enaddr[i + 1] = pccard_tuple_read_1(tuple, i);
}
return (1);
}
