ipcpd: Restructure policy code

The policies were all in a single folder pol/, and have been moved to
a folder per component/mechanism to keep things a bit more orderly.

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

1 files changed, 58 insertions, 0 deletions

diff --git a/src/ipcpd/unicast/ca/ops.h b/src/ipcpd/unicast/ca/ops.h
new file mode 100644
index 00000000..ee0f028b
--- /dev/null
+++ b/src/ipcpd/unicast/ca/ops.h
@@ -0,0 +1,58 @@
+/*
+ * Ouroboros - Copyright (C) 2016 - 2021
+ *
+ * Congestion avoidance policy ops
+ *
+ *    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/.
+ */
+
+#ifndef OUROBOROS_IPCPD_UNICAST_CA_OPS_H
+#define OUROBOROS_IPCPD_UNICAST_CA_OPS_H
+
+#include "ca.h"
+
+struct ca_ops {
+        void *   (* ctx_create)(void);
+
+        void     (* ctx_destroy)(void * ctx);
+
+        ca_wnd_t (* ctx_update_snd)(void * ctx,
+                                    size_t len);
+
+        bool     (* ctx_update_rcv)(void *     ctx,
+                                    size_t     len,
+                                    uint8_t    ecn,
+                                    uint16_t * ece);
+
+        void     (* ctx_update_ece)(void *   ctx,
+                                    uint16_t ece);
+
+        void     (* wnd_wait)(ca_wnd_t wnd);
+
+        int      (* calc_ecn)(int       fd,
+                              uint8_t * ecn,
+                              qoscube_t qc,
+                              size_t    len);
+
+        /* Optional, can be NULL */
+        ssize_t  (* print_stats)(void * ctx,
+                                 char * buf,
+                                 size_t len);
+
+};
+
+#endif /* OUROBOROS_IPCPD_UNICAST_CA_OPS_H */