1 files changed, 99 insertions, 0 deletions
diff --git a/src/ipcpd/unicast/ca/nop.c b/src/ipcpd/unicast/ca/nop.c
new file mode 100644
index 00000000..e6965297
--- /dev/null
+++ b/src/ipcpd/unicast/ca/nop.c
@@ -0,0 +1,99 @@
+/*
+ * Ouroboros - Copyright (C) 2016 - 2026
+ *
+ * Dummy Congestion Avoidance
+ *
+ *    Dimitri Staessens <dimitri@ouroboros.rocks>
+ *    Sander Vrijders   <sander@ouroboros.rocks>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., http://www.fsf.org/about/contact/.
+ */
+
+#include "nop.h"
+
+#include <string.h>
+
+struct ca_ops nop_ca_ops = {
+        .ctx_create     = nop_ctx_create,
+        .ctx_destroy    = nop_ctx_destroy,
+        .ctx_update_snd = nop_ctx_update_snd,
+        .ctx_update_rcv = nop_ctx_update_rcv,
+        .ctx_update_ece = nop_ctx_update_ece,
+        .calc_ecn       = nop_calc_ecn,
+        .marks_ecn      = false,
+        .print_stats    = NULL
+};
+
+void * nop_ctx_create(void)
+{
+        return (void *) 1;
+}
+
+void nop_ctx_destroy(void * ctx)
+{
+        (void) ctx;
+}
+
+time_t nop_ctx_update_snd(void *     ctx,
+                          size_t     len,
+                          uint8_t    lecn,
+                          uint64_t * ftag)
+{
+        (void) ctx;
+        (void) len;
+        (void) lecn;
+        (void) ftag;
+
+        return 0;
+}
+
+bool nop_ctx_update_rcv(void *     ctx,
+                        size_t     len,
+                        uint8_t    ecn,
+                        uint8_t    cap,
+                        uint16_t * ece,
+                        uint8_t *  fcap)
+{
+        (void) ctx;
+        (void) len;
+        (void) ecn;
+        (void) cap;
+        (void) ece;
+        (void) fcap;
+
+        return false;
+}
+
+void nop_ctx_update_ece(void *   ctx,
+                        uint16_t ece,
+                        uint8_t  cap)
+{
+        (void) ctx;
+        (void) ece;
+        (void) cap;
+}
+
+
+int nop_calc_ecn(size_t    queued,
+                 uint8_t * ecn,
+                 qoscube_t qc,
+                 size_t    len)
+{
+        (void) queued;
+        (void) len;
+        (void) ecn;
+        (void) qc;
+
+        return 0;
+}