/* buffer length (n) specified in bytes */
void
BCMROMFN(tkip_mic)(uint32 k0, uint32 k1, int n, uint8 *m, uint32 *left, uint32 *right)
{
uint32 l = k0;
uint32 r = k1;
if (((uintptr)m & 3) == 0) {
for (; n > 0; n -= 4) {
l ^= ltoh32(*(uint *)m);
m += 4;
tkip_micblock(&l, &r);
}
} else {
for (; n > 0; n -= 4) {
l ^= ltoh32_ua(m);
m += 4;
tkip_micblock(&l, &r);
}
}
*left = l;
*right = r;
}
static void BCMFASTPATH
rpc_dbus_recv_buf(void *handle, uint8 *buf, int len)
{
rpc_tp_info_t *rpcb = handle;
void *pkt;
uint32 rpc_len;
uint frag;
uint agglen;
if ((rpcb == NULL) || (buf == NULL))
return;
frag = rpcb->tp_host_deagg_cnt_sf;
agglen = len;
/* TP pkt should have more than encapsulation header */
if (len <= BCM_RPC_TP_ENCAP_LEN) {
RPC_TP_ERR(("%s: wrong len %d\n", __FUNCTION__, len));
goto error;
}
while (len > BCM_RPC_TP_ENCAP_LEN) {
rpc_len = ltoh32_ua(buf);
if (rpc_len > (uint32)(len - BCM_RPC_TP_ENCAP_LEN)) {
rpcb->tp_host_deagg_cnt_badsflen++;
return;
}
/* RPC_BUFFER_RX: allocate */
#if defined(BCM_RPC_ROC)
if ((pkt = PKTGET(rpcb->osh, rpc_len, FALSE)) == NULL) {
#else
if ((pkt = bcm_rpc_tp_pktget(rpcb, rpc_len, FALSE)) == NULL) {
#endif
printf("%s: bcm_rpc_tp_pktget failed (len %d)\n", __FUNCTION__, len);
goto error;
}
/* RPC_BUFFER_RX: BYTE_COPY from dbus buffer */
bcopy(buf + BCM_RPC_TP_ENCAP_LEN, bcm_rpc_buf_data(rpcb, pkt), rpc_len);
/* !! send up */
bcm_rpc_tp_rx(rpcb, pkt);
len -= (BCM_RPC_TP_ENCAP_LEN + rpc_len);
buf += (BCM_RPC_TP_ENCAP_LEN + rpc_len);
if (len > BCM_RPC_TP_ENCAP_LEN) { /* more frag */
rpcb->tp_host_deagg_cnt_sf++;
RPC_TP_DEAGG(("%s: deagg %d(remaining %d) bytes\n", __FUNCTION__,
rpc_len, len));
} else {
if (len != 0) {
printf("%s: deagg, remaining len %d is not 0\n", __FUNCTION__, len);
}
rpcb->tp_host_deagg_cnt_pass++;
}
}
if (frag < rpcb->tp_host_deagg_cnt_sf) { /* aggregated frames */
rpcb->tp_host_deagg_cnt_sf++; /* last one was not counted */
rpcb->tp_host_deagg_cnt_chain++;
rpcb->tp_host_deagg_cnt_bytes += agglen;
}
error:
return;
}
int BCMFASTPATH
bcm_rpc_tp_recv_rtn(rpc_tp_info_t *rpcb)
{
void *pkt;
int status = 0;
if (!rpcb)
return BCME_BADARG;
if ((pkt = bcm_rpc_tp_pktget(rpcb, PKTBUFSZ, FALSE)) == NULL) {
return BCME_NORESOURCE;
}
RPC_TP_LOCK(rpcb);
if (rpcb->rx_rtn_pkt != NULL) {
RPC_TP_UNLOCK(rpcb);
if (pkt != NULL)
bcm_rpc_tp_pktfree(rpcb, pkt, FALSE);
return BCME_BUSY;
}
rpcb->rx_rtn_pkt = pkt;
RPC_TP_UNLOCK(rpcb);
#ifndef BCMUSBDEV_EP_FOR_RPCRETURN
status = dbus_recv_ctl(rpcb->bus, bcm_rpc_buf_data(rpcb, rpcb->rx_rtn_pkt), PKTBUFSZ);
#else
if (rpcb->has_2nd_bulk_in_ep) {
status = dbus_recv_bulk(rpcb->bus, USBDEV_BULK_IN_EP2);
} else {
status = dbus_recv_ctl(rpcb->bus, bcm_rpc_buf_data(rpcb, rpcb->rx_rtn_pkt),
PKTBUFSZ);
}
#endif /* BCMUSBDEV_EP_FOR_RPCRETURN */
if (status) {
/* May have been cleared by complete routine */
RPC_TP_LOCK(rpcb);
pkt = rpcb->rx_rtn_pkt;
rpcb->rx_rtn_pkt = NULL;
RPC_TP_UNLOCK(rpcb);
if (pkt != NULL)
bcm_rpc_tp_pktfree(rpcb, pkt, FALSE);
if (status == DBUS_ERR_RXFAIL)
status = BCME_RXFAIL;
else if (status == DBUS_ERR_NODEVICE)
status = BCME_NODEVICE;
else
status = BCME_ERROR;
}
return status;
}
