1 files changed, 63 insertions, 0 deletions
diff --git a/firmware/zpu/lib/pkt_ctrl.h b/firmware/zpu/lib/pkt_ctrl.h
new file mode 100644
index 000000000..410ffdaa4
--- /dev/null
+++ b/firmware/zpu/lib/pkt_ctrl.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright 2010 Ettus Research LLC
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef INCLUDED_PKT_CTRL_H
+#define INCLUDED_PKT_CTRL_H
+
+#include <stddef.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include <lwip/ip_addr.h>
+
+typedef enum {
+    PKT_CTRL_ROUTING_MODE_SLAVE,
+    PKT_CTRL_ROUTING_MODE_MASTER,
+} pkt_ctrl_routing_mode_t;
+
+//! Program the decision values into the packet inspector
+void pkt_ctrl_program_inspector(
+    const struct ip_addr *ip_addr, uint16_t data_port
+);
+
+//! Set the routing mode for this device
+void pkt_ctrl_set_routing_mode(pkt_ctrl_routing_mode_t mode);
+
+/*!
+ * Try to claim an incomming buffer.
+ * \param num_lines filled with the buffer size
+ * \return a pointer to the buffer memory or NULL
+ */
+void *pkt_ctrl_claim_incoming_buffer(size_t *num_lines);
+
+/*!
+ * Release the incoming buffer. Call when done.
+ */
+void pkt_ctrl_release_incoming_buffer(void);
+
+/*!
+ * Claim an outgoing buffer.
+ * \return a pointer to the buffer
+ */
+void *pkt_ctrl_claim_outgoing_buffer(void);
+
+/*!
+ * Commit the outgoing buffer.
+ * \param num_lines how many lines written.
+ */
+void pkt_ctrl_commit_outgoing_buffer(size_t num_lines);
+
+#endif /* INCLUDED_PKT_CTRL_H */