[net-next,v3,2/5] netdev: make napi_schedule return bool on NAPI successful schedule

Commit Message

Christian Marangi Oct. 9, 2023, 1:37 p.m. UTC

Change napi_schedule to return a bool on NAPI successful schedule.
This might be useful for some driver to do additional steps after a
NAPI has been scheduled.

Suggested-by: Eric Dumazet <[e-mail]>
Signed-off-by: Christian Marangi <[e-mail]>
Reviewed-by: Eric Dumazet <[e-mail]>
---
Changes v2:
- Add Suggested-by tag
- Add Reviewed-by tag
---
 include/linux/netdevice.h | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

Patch

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 7e520c14eb8c..2bead8e2a14d 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -490,11 +490,18 @@  bool napi_schedule_prep(struct napi_struct *n);
  *
  * Schedule NAPI poll routine to be called if it is not already
  * running.
+ * Return true if we schedule a NAPI or false if not.
+ * Refer to napi_schedule_prep() for additional reason on why
+ * a NAPI might not be scheduled.
  */
-static inline void napi_schedule(struct napi_struct *n)
+static inline bool napi_schedule(struct napi_struct *n)
 {
-	if (napi_schedule_prep(n))
+	if (napi_schedule_prep(n)) {
 		__napi_schedule(n);
+		return true;
+	}
+
+	return false;
 }
 
 /**