Piteball
/
android_kernel_samsung_msm8976
mirror of https://github.com/team-infusion-developers/android_kernel_samsung_msm8976.git
1
1
Fork 0
Code Issues Projects Releases Wiki Activity

net: ipc_router: Add data_ready callback support 

Any client communicating over IPC Router via kernel sockets expects
a data_ready callback upon data reception.

Add data_ready callback to support data availability notification
for those clients.

Change-Id: Ie11e9da6179438020480ec5f6cbdbdf8836e587a
Signed-off-by: Atish Kumar Patra <apatra@codeaurora.org>
This commit is contained in:
Atish Kumar Patra 2015-01-26 17:48:20 -07:00
parent 89e32cb540
commit ff3f353bb9
1 changed files with 12 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
net/ipc_router/ipc_router_core.c
View File

@ -1,4 +1,4 @@
/* Copyright (c) 2011-2014, The Linux Foundation. All rights reserved.
/* Copyright (c) 2011-2015, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
@ -902,6 +902,8 @@ static int post_pkt_to_port(struct msm_ipc_port *port_ptr,
struct rr_packet *temp_pkt = pkt;
void (*notify)(unsigned event, void *oob_data,
size_t oob_data_len, void *priv);
void (*data_ready)(struct sock *sk, int bytes);
struct sock *sk;
if (unlikely(!port_ptr || !pkt))
return -EINVAL;
@ -922,9 +924,18 @@ static int post_pkt_to_port(struct msm_ipc_port *port_ptr,
list_add_tail(&temp_pkt->list, &port_ptr->port_rx_q);
wake_up(&port_ptr->port_rx_wait_q);
notify = port_ptr->notify;
sk = (struct sock *)port_ptr->endpoint;
if (sk) {
read_lock(&sk->sk_callback_lock);
data_ready = sk->sk_data_ready;
read_unlock(&sk->sk_callback_lock);
}
mutex_unlock(&port_ptr->port_rx_q_lock_lhc3);
if (notify)
notify(pkt->hdr.type, NULL, 0, port_ptr->priv);
else if (sk && data_ready)
data_ready(sk, pkt->hdr.size);
return 0;
}