>
The following is a patch against 2.6.22 kernel to catch HCI "Flush Occurred"
event. (meaningful for ACL; useless for SCO)
One more thing to NOTICE is that the handle in the event packet from my adapter
seems to be "Big Endian", so that I use ntohs to convert it.
Normally it should be __le16_to_cpu(ev->handle)
diff -r linux-source-2.6.22/include/net/bluetooth/hci_core.h
patch-2.6.22/include/net/bluetooth/hci_core.h
27a28
>
diff -r linux-source-2.6.22/include/net/bluetooth/hci.h
patch-2.6.22/include/net/bluetooth/hci.h
587a588,595
> /* Flush Occurred Event JuiHao --*/
> #define HCI_EV_FLUSH_OCCURRED 0x11
> #define NUM_OF_FLUSH_PKT 0x1
> struct hci_ev_flush_occurred {
> __le16 handle;
> } __attribute__ ((packed));
> /* --Flush Occurred Event JuiHao */
>
diff -r linux-source-2.6.22/net/bluetooth/hci_event.c
patch-2.6.22/net/bluetooth/hci_event.c
854a855,882
> /* Flush Occurred packet JuiHao*/
> static inline void hci_flush_occurred_evt(struct hci_dev *hdev, struct sk_buff
*skb)
> {
> struct hci_ev_flush_occurred *ev = (struct hci_ev_flush_occurred *) skb->data;
> struct hci_conn *conn;
>
> tasklet_disable(&hdev->tx_task);
>
> BT_DBG("handle is %x, skb->len %d\n", ev->handle, skb->len);
>
> /* The handle returned is probably Big Endian such that __le16_to_cpu is
useless*/
> conn = hci_conn_hash_lookup_handle(hdev, ntohs(ev->handle));
>
> if (conn) {
> atomic_sub(NUM_OF_FLUSH_PKT, &conn->sent);
>
> if (conn->type == ACL_LINK) {
> if ((hdev->acl_cnt += NUM_OF_FLUSH_PKT) > hdev->acl_pkts)
> hdev->acl_cnt = hdev->acl_pkts;
> }
> BT_DBG("conn %p type %d hdev->acl_cnt %d conn->sent %d",
> conn, conn->type, hdev->acl_cnt, atomic_read(&conn->sent));
> }
> hci_sched_tx(hdev);
>
> tasklet_enable(&hdev->tx_task);
> }
>
1289a1318,1322
> /* handle Flush Occurred Event JuiHao --*/
> case HCI_EV_FLUSH_OCCURRED:
> hci_flush_occurred_evt(hdev, skb);
> break;
> /* -- handle Flush Occurred Event JuiHao */
Bests,
Jui-Hao
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Hi,
> The following is a patch against 2.6.22 kernel to catch HCI "Flush Occurred"
> event. (meaningful for ACL; useless for SCO)
>
> One more thing to NOTICE is that the handle in the event packet from my adapter
> seems to be "Big Endian", so that I use ntohs to convert it.
> Normally it should be __le16_to_cpu(ev->handle)
against 2.6.27-rc4 please and in unified diff format. I am not even
going to bother reading context diffs.
Regards
Marcel
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_______________________________________________
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