1 files changed, 41 insertions, 0 deletions
diff --git a/src/ipcpd/np1.h b/src/ipcpd/np1.h
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+++ b/src/ipcpd/np1.h
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+/*
+ * Ouroboros - Copyright (C) 2016 - 2024
+ *
+ * N+1 flow pool tracking for IPCPs
+ *
+ *    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_NP1_H
+#define OUROBOROS_IPCPD_NP1_H
+
+#include "config.h"
+
+#include <ouroboros/ssm_pool.h>
+
+#define NP1_LOAD(ptr)       (__atomic_load_n((ptr), __ATOMIC_ACQUIRE))
+#define NP1_STORE(ptr, v)   (__atomic_store_n((ptr), (v), __ATOMIC_RELEASE))
+#define NP1_GET_POOL(fd)    (NP1_LOAD(&np1.pool[(fd)]))
+#define NP1_SET_POOL(fd, p) (NP1_STORE(&np1.pool[(fd)], (p)))
+
+struct np1_state {
+        struct ssm_pool * pool[SYS_MAX_FLOWS];
+};
+
+extern struct np1_state np1;
+
+#endif /* OUROBOROS_IPCPD_NP1_H */