Added glue required for RTL hardware filters updates.

[lincan.git] / lincan / src / devcommon.c

diff --git a/lincan/src/devcommon.c b/lincan/src/devcommon.c
index dce205a620507805cf4ca1f3342041f820daeda8..bf6585a42adf4d6e511224474f698b5e05511bbd 100644 (file)
--- a/lincan/src/devcommon.c
+++ b/lincan/src/devcommon.c
@@ -12,6 +12,38 @@
 #include "../include/main.h"
 #include "../include/devcommon.h"
 
+#ifdef CAN_WITH_RTL
+static inline
+void canqueue_wake_chip_worker(struct canque_ends_t *qends, struct chip_t *chip, struct msgobj_t *obj)
+{
+       if(qends->endinfo.chipinfo.worker_thread){
+               can_msgobj_set_fl(obj,WORKER_WAKE);
+               pthread_kill(qends->endinfo.chipinfo.worker_thread,RTL_SIGNAL_WAKEUP);
+               rtl_schedule();
+       } else {
+               set_bit(MSGOBJ_TX_REQUEST_b,&chip->pend_flags);
+               if(chip->worker_thread) {
+                       set_bit(MSGOBJ_WORKER_WAKE_b,&chip->pend_flags);
+                       pthread_kill(chip->worker_thread,RTL_SIGNAL_WAKEUP);
+                       rtl_schedule();
+               }
+       }
+}
+
+#endif /*CAN_WITH_RTL*/
+
+
+/**
+ * canqueue_notify_chip - notification callback handler for CAN chips ends of queues
+ * @qends: pointer to the callback side ends structure
+ * @qedge: edge which invoked notification 
+ * @what: notification type
+ *
+ * This function has to deal with more possible cases. It can be called from
+ * the kernel or interrupt context for Linux only compilation of driver.
+ * The function can be called from kernel context or RT-Linux thread context
+ * for mixed mode Linux/RT-Linux compilation.
+ */
 void canqueue_notify_chip(struct canque_ends_t *qends, struct canque_edge_t *qedge, int what)
 {
        struct chip_t *chip=qends->endinfo.chipinfo.chip;
@@ -25,8 +57,13 @@ void canqueue_notify_chip(struct canque_ends_t *qends, struct canque_edge_t *qed
                        wake_up(&qends->endinfo.chipinfo.daemonq);
                        break;*/
                case CANQUEUE_NOTIFY_PROC:
+                   #ifndef CAN_WITH_RTL
                        /*wake_up(&qends->endinfo.chipinfo.daemonq);*/
                        chip->chipspecops->wakeup_tx(chip, obj);
+                   #else /*CAN_WITH_RTL*/
+                       can_msgobj_set_fl(obj,TX_REQUEST);
+                       canqueue_wake_chip_worker(qends, chip, obj);
+                   #endif /*CAN_WITH_RTL*/
                        break;
                case CANQUEUE_NOTIFY_DEAD_WANTED:
                case CANQUEUE_NOTIFY_DEAD:
@@ -34,11 +71,28 @@ void canqueue_notify_chip(struct canque_ends_t *qends, struct canque_edge_t *qed
                                canque_edge_decref(qedge);
                        break;
                case CANQUEUE_NOTIFY_ATTACH:
+                       break;
+               case CANQUEUE_NOTIFY_FILTCH:
+                       if(!chip->chipspecops->filtch_rq)
+                               break;
+                   #ifndef CAN_WITH_RTL
+                       chip->chipspecops->filtch_rq(chip, obj);
+                   #else /*CAN_WITH_RTL*/
+                       can_msgobj_set_fl(obj,FILTCH_REQUEST);
+                       canqueue_wake_chip_worker(qends, chip, obj);
+                   #endif /*CAN_WITH_RTL*/
+                       
                        break;
        }
 }
 
 
+/**
+ * canqueue_ends_init_chip - CAN chip specific ends initialization
+ * @qends: pointer to the ends structure
+ * @chip: pointer to the corresponding CAN chip structure
+ * @obj: pointer to the corresponding message object structure
+ */
 int canqueue_ends_init_chip(struct canque_ends_t *qends, struct chip_t *chip, struct msgobj_t *obj)
 {
        int ret;
@@ -46,7 +100,9 @@ int canqueue_ends_init_chip(struct canque_ends_t *qends, struct chip_t *chip, st
        if(ret<0) return ret;
        
        qends->context=NULL;
+    #ifndef CAN_WITH_RTL
        init_waitqueue_head(&qends->endinfo.chipinfo.daemonq);
+    #endif /*CAN_WITH_RTL*/
        qends->endinfo.chipinfo.chip=chip;
        qends->endinfo.chipinfo.msgobj=obj;
        qends->notify=canqueue_notify_chip;
@@ -56,7 +112,20 @@ int canqueue_ends_init_chip(struct canque_ends_t *qends, struct chip_t *chip, st
 }
 
 
+/**
+ * canqueue_ends_done_chip - finalizing of the ends structure for CAN chips
+ * @qends: pointer to ends structure
+ *
+ * Return Value: Function should be designed such way to not fail.
+ */
 int canqueue_ends_done_chip(struct canque_ends_t *qends)
 {
-       return 0;
+       int delayed;
+       
+       /* Finish or kill all outgoing edges listed in inends */
+       delayed=canqueue_ends_kill_inlist(qends, 1);
+       /* Kill all incoming edges listed in outends */
+       delayed|=canqueue_ends_kill_outlist(qends);
+
+       return delayed;
 }