static int eventfd_release(struct inode *inode, struct file *file)
{
struct eventfd_ctx *ctx = file->private_data;
wake_up_poll(&ctx->wqh, POLLHUP);
eventfd_ctx_put(ctx);
return 0;
}
void signalfd_cleanup(struct sighand_struct *sighand)
{
wait_queue_head_t *wqh = &sighand->signalfd_wqh;
if (likely(!waitqueue_active(wqh)))
return;
wake_up_poll(wqh, POLLHUP | POLLFREE);
}
static int
gfsk_evfd_release(struct inode *inode, struct file *file)
{
struct gfsk_evfd_ctx *ctx = file->private_data;
wake_up_poll(&ctx->wqh, POLLHUP);
kfree(ctx);
return (0);
}
int timerfd_release(struct inode* inode, struct file* file)
{
struct timerfd_ctx *ctx = file->private_data;
hrtimer_cancel(&ctx->timer);
wake_up_poll(&ctx->wqh, POLLHUP);
module_put(THIS_MODULE);
kfree(ctx);
return 0;
}
void signalfd_cleanup(struct sighand_struct *sighand)
{
wait_queue_head_t *wqh = &sighand->signalfd_wqh;
/*
* The lockless check can race with remove_wait_queue() in progress,
* but in this case its caller should run under rcu_read_lock() and
* sighand_cachep is SLAB_DESTROY_BY_RCU, we can safely return.
*/
if (likely(!waitqueue_active(wqh)))
return;
/* wait_queue_t->func(POLLFREE) should do remove_wait_queue() */
wake_up_poll(wqh, POLLHUP | POLLFREE);
}
static KAL_INT32 eemcs_ipc_rx_callback(struct sk_buff *skb, KAL_UINT32 private_data)
{
CCCI_BUFF_T *p_cccih = NULL;
KAL_UINT32 node_id;
IPC_MSGSVC_TASKMAP_T *id_map;
DEBUG_LOG_FUNCTION_ENTRY;
if (skb){
p_cccih = (CCCI_BUFF_T *)skb->data;
DBGLOG(IPCD,TRA,"%s: CCCI_H(0x%08X, 0x%08X, %02d, 0x%08X)", __FUNCTION__,\
p_cccih->data[0],p_cccih->data[1],p_cccih->channel, p_cccih->reserved);
}
#ifndef _EEMCS_IPCD_LB_UT_
/* Check IPC task id and extq_id */
if ((id_map=unify_AP_id_2_local_id(p_cccih->reserved))==NULL)
{
DBGLOG(IPCD,ERR,"Wrong AP Unify id (%#x)@RX.!!! PACKET DROP !!!\n",p_cccih->reserved);
dev_kfree_skb(skb);
return KAL_SUCCESS ;
}
node_id = id_map->task_id;
#else
node_id = 0;
#endif
if(IPCD_KERNEL == atomic_read(&eemcs_ipc_inst.ipc_node[node_id].dev_state)){
ipc_ilm_t* p_ilm = NULL;
skb_pull(skb, sizeof(CCCI_BUFF_T));
p_ilm = (ipc_ilm_t*)(skb->data);
p_ilm->dest_mod_id = p_cccih->reserved;
p_ilm->local_para_ptr = (local_para_struct *)p_ilm+1;
mtk_conn_md_bridge_send_msg((ipc_ilm_t*)(skb->data));
dev_kfree_skb(skb);
DBGLOG(IPCD, TRA, "IPC(%d) MT_CONN kernel rx callback", node_id);
}
else if(IPCD_OPEN == atomic_read(&eemcs_ipc_inst.ipc_node[node_id].dev_state)){
skb_queue_tail(&eemcs_ipc_inst.ipc_node[node_id].rx_skb_list, skb); /* spin_lock_ireqsave inside, refering skbuff.c */
atomic_inc(&eemcs_ipc_inst.ipc_node[node_id].rx_pkt_cnt); /* increase rx_pkt_cnt */
kill_fasync(&eemcs_ipc_inst.ipc_node[node_id].fasync, SIGIO, POLL_IN);
wake_up_poll(&eemcs_ipc_inst.ipc_node[node_id].rx_waitq,POLLIN); /* wake up rx_waitq */
}else{
DBGLOG(IPCD,ERR,"PKT DROP while ipc dev(%d) closed", node_id);
dev_kfree_skb(skb);
eemcs_update_statistics(0, eemcs_ipc_inst.eemcs_port_id, RX, DROP);
}
DEBUG_LOG_FUNCTION_LEAVE;
return KAL_SUCCESS ;
}
static KAL_INT32 eemcs_ipc_rx_callback(struct sk_buff *skb, KAL_UINT32 private_data)
{
CCCI_BUFF_T *p_cccih = NULL;
KAL_UINT32 node_id;
IPC_MSGSVC_TASKMAP_T *id_map;
unsigned int i = 0;
char * addr;
DEBUG_LOG_FUNCTION_ENTRY;
if (skb){
p_cccih = (CCCI_BUFF_T *)skb->data;
DBGLOG(IPCD,DBG,"[RX]CCCI_H(0x%08X, 0x%08X, %02d, 0x%08X)", \
p_cccih->data[0],p_cccih->data[1],p_cccih->channel, p_cccih->reserved);
}
#ifndef _EEMCS_IPCD_LB_UT_
/* Check IPC task id and extq_id */
if ((id_map=unify_AP_id_2_local_id(p_cccih->reserved))==NULL)
{
DBGLOG(IPCD,ERR,"Wrong AP Unify id (%#x)@RX.!!! PACKET DROP !!!\n",p_cccih->reserved);
dev_kfree_skb(skb);
return KAL_SUCCESS ;
}
node_id = id_map->task_id;
#else
node_id = 0;
#endif
if(IPCD_KERNEL == atomic_read(&eemcs_ipc_inst.ipc_node[node_id].dev_state)){
ipc_ilm_t* p_ilm = NULL;
skb_pull(skb, sizeof(CCCI_BUFF_T));
p_ilm = (ipc_ilm_t*)(skb->data);
p_ilm->dest_mod_id = p_cccih->reserved;
p_ilm->local_para_ptr = (local_para_struct *)(p_ilm+1);
if (p_ilm->local_para_ptr != NULL) {
DBGLOG(IPCD, INF, "[RX][KERN]src=%d dest=0x%x sap=0x%x msg=0x%x local_ptr=%p msg_len=%d", \
p_ilm->src_mod_id, p_ilm->dest_mod_id, p_ilm->sap_id, p_ilm->msg_id,\
p_ilm->local_para_ptr, p_ilm->local_para_ptr->msg_len);
for (i=0; i<32; i++) {
addr = (char *)p_ilm;
DBGLOG(IPCD, DBG, "%p=%x", (addr+i), *(addr+i));
}
}
#ifdef ENABLE_CONN_COEX_MSG
mtk_conn_md_bridge_send_msg((ipc_ilm_t*)(skb->data));
#endif
dev_kfree_skb(skb);
}
else if(IPCD_OPEN == atomic_read(&eemcs_ipc_inst.ipc_node[node_id].dev_state)){
skb_queue_tail(&eemcs_ipc_inst.ipc_node[node_id].rx_skb_list, skb); /* spin_lock_ireqsave inside, refering skbuff.c */
atomic_inc(&eemcs_ipc_inst.ipc_node[node_id].rx_pkt_cnt); /* increase rx_pkt_cnt */
kill_fasync(&eemcs_ipc_inst.ipc_node[node_id].fasync, SIGIO, POLL_IN);
wake_up_poll(&eemcs_ipc_inst.ipc_node[node_id].rx_waitq,POLLIN); /* wake up rx_waitq */
}else{
DBGLOG(IPCD, ERR, "PKT DROP while ipc dev(%d) closed", node_id);
dev_kfree_skb(skb);
eemcs_update_statistics(0, eemcs_ipc_inst.eemcs_port_id, RX, DROP);
}
DEBUG_LOG_FUNCTION_LEAVE;
return KAL_SUCCESS ;
}
