ipcpd: Pass previous ECN value in congestion API

The previous value of the ECN field should be passed to the congestion
notification function.

Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>

1 files changed, 3 insertions, 2 deletions

diff --git a/src/ipcpd/unicast/pol/ca-nop.h b/src/ipcpd/unicast/pol/ca-nop.h
index baf649d8..859b52dc 100644
--- a/src/ipcpd/unicast/pol/ca-nop.h
+++ b/src/ipcpd/unicast/pol/ca-nop.h
@@ -42,8 +42,9 @@ void     nop_ctx_update_ece(void *   ctx,
 
 void     nop_wnd_wait(ca_wnd_t wnd);
 
-uint8_t  nop_calc_ecn(int    fd,
-                      size_t len);
+int      nop_calc_ecn(int       fd,
+                      uint8_t * ecn,
+                      size_t    len);
 
 extern struct pol_ca_ops nop_ca_ops;