hci_conn_hash_init(hdev);
- INIT_LIST_HEAD(&hdev->blacklist.list);
+ INIT_LIST_HEAD(&hdev->blacklist);
memset(&hdev->stat, 0, sizeof(struct hci_dev_stats));
return remain;
}
-/* Receive packet type fragment */
-#define __reassembly(hdev, type) ((hdev)->reassembly[(type) - 1])
-
int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count)
{
+ int rem = 0;
+
if (type < HCI_ACLDATA_PKT || type > HCI_EVENT_PKT)
return -EILSEQ;
while (count) {
- struct sk_buff *skb = __reassembly(hdev, type);
- struct { int expect; } *scb;
- int len = 0;
-
- if (!skb) {
- /* Start of the frame */
-
- switch (type) {
- case HCI_EVENT_PKT:
- if (count >= HCI_EVENT_HDR_SIZE) {
- struct hci_event_hdr *h = data;
- len = HCI_EVENT_HDR_SIZE + h->plen;
- } else
- return -EILSEQ;
- break;
-
- case HCI_ACLDATA_PKT:
- if (count >= HCI_ACL_HDR_SIZE) {
- struct hci_acl_hdr *h = data;
- len = HCI_ACL_HDR_SIZE + __le16_to_cpu(h->dlen);
- } else
- return -EILSEQ;
- break;
-
- case HCI_SCODATA_PKT:
- if (count >= HCI_SCO_HDR_SIZE) {
- struct hci_sco_hdr *h = data;
- len = HCI_SCO_HDR_SIZE + h->dlen;
- } else
- return -EILSEQ;
- break;
- }
-
- skb = bt_skb_alloc(len, GFP_ATOMIC);
- if (!skb) {
- BT_ERR("%s no memory for packet", hdev->name);
- return -ENOMEM;
- }
-
- skb->dev = (void *) hdev;
- bt_cb(skb)->pkt_type = type;
+ rem = hci_reassembly(hdev, type, data, count,
+ type - 1, GFP_ATOMIC);
+ if (rem < 0)
+ return rem;
- __reassembly(hdev, type) = skb;
+ data += (count - rem);
+ count = rem;
+ };
- scb = (void *) skb->cb;
- scb->expect = len;
- } else {
- /* Continuation */
+ return rem;
+}
+EXPORT_SYMBOL(hci_recv_fragment);
- scb = (void *) skb->cb;
- len = scb->expect;
- }
+#define STREAM_REASSEMBLY 0
- len = min(len, count);
+int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count)
+{
+ int type;
+ int rem = 0;
- memcpy(skb_put(skb, len), data, len);
+ while (count) {
+ struct sk_buff *skb = hdev->reassembly[STREAM_REASSEMBLY];
- scb->expect -= len;
+ if (!skb) {
+ struct { char type; } *pkt;
- if (scb->expect == 0) {
- /* Complete frame */
+ /* Start of the frame */
+ pkt = data;
+ type = pkt->type;
- __reassembly(hdev, type) = NULL;
+ data++;
+ count--;
+ } else
+ type = bt_cb(skb)->pkt_type;
- bt_cb(skb)->pkt_type = type;
- hci_recv_frame(skb);
- }
+ rem = hci_reassembly(hdev, type, data,
+ count, STREAM_REASSEMBLY, GFP_ATOMIC);
+ if (rem < 0)
+ return rem;
- count -= len; data += len;
- }
+ data += (count - rem);
+ count = rem;
+ };
- return 0;
+ return rem;
}
-EXPORT_SYMBOL(hci_recv_fragment);
+EXPORT_SYMBOL(hci_recv_stream_fragment);
/* ---- Interface to upper protocols ---- */