Nick Pelly <npelly <at> gmail.com> writes:
>
> The HCI event that triggers this is the Connection Request Event 0x04,
probably handled in hci_event.c
Thanks for the response. But I haven't seen any code inside hci_event_packet to
notify the user socket. (Maybe I am blind..)
In scotest program, there is a debug message below accept(), so that I know when
it is returned from the accept() call.
>>From my tracing, I thought the user accept() will eventually wait inside
sco_sock_accept(), which keeps itself in the wait queue. And I guess the
function return of sco_sock_accept will eventually executing the next line of
accept() in user program (printing the message). But the accept() returns
earlier than the sco_sock_accept() as the following message.
hci_event_packet: hci0 evt 0x4 <== the SCO connection request comes !!!!
hci_conn_request_evt: hci0 Connection request: EE:E9:63:67:11:00 type 0x0
sco_connect_ind: hdev hci0, bdaddr EE:E9:63:67:11:00
hci_conn_add: hci0 dst EE:E9:63:67:11:00
hci_usb_notify: hci0 evt 1
hci_conn_add_sysfs: conn d45db800
.... (omit..)
hci_event_packet: hci0 evt 0x1b
__recv_frame: hci0 type 4 data dfa75670 count 6
__recv_frame: new packet len 6
hci_rx_task: hci0
hci_event_packet: hci0 evt 0xf
hci_cs_link_ctl: hci0 ocf 0x9
hci_cs_link_ctl: hci0 Command status: ogf LINK_CTL ocf 9 status 0
scotest[5844]: Connect from 00:11:67:63:E9:EE [handle 2, class 0x080104]
<=== user accept() Has returned !!!!
scotest[5844]: Receiving ...
.... (omit..)
bt_accept_unlink: sk f53e1800 state 1
sco_sock_accept: new socket f53e1800 <== sco_sock_accept() will return !!!!
Jui-Hao
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