net_common working in this state with control udp packets

1 files changed, 60 insertions, 0 deletions

diff --git a/firmware/microblaze/lib/net_common.h b/firmware/microblaze/lib/net_common.h
new file mode 100644
index 000000000..cfba43412
--- /dev/null
+++ b/firmware/microblaze/lib/net_common.h
@@ -0,0 +1,60 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2009,2010 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_NET_COMMON_H
+#define INCLUDED_NET_COMMON_H
+
+#include <stdint.h>
+#include <stddef.h>
+#include <dbsm.h>
+#include <net/socket_address.h>
+#include <net/eth_mac_addr.h>
+
+#define CPU_TX_BUF 	7	// cpu -> eth
+
+extern int cpu_tx_buf_dest_port;
+
+// If this is non-zero, this dbsm could be writing to the ethernet
+extern dbsm_t *ac_could_be_sending_to_eth;
+
+void stop_streaming(void);
+
+/*!
+ * Helpful typedefs for callback
+ */
+typedef void (*udp_receiver_t)(struct socket_address src, struct socket_address dst,
+			       unsigned char *payload, int payload_len);
+
+typedef eth_mac_addr_t (*get_eth_mac_addr_t)(void);
+typedef struct ip_addr (*get_ip_addr_t)(void);
+
+/*!
+ * Functions to register callbacks
+ */
+void register_get_eth_mac_addr(get_eth_mac_addr_t get_eth_mac_addr);
+
+void register_get_ip_addr(get_ip_addr_t get_ip_addr);
+
+void register_udp_listener(int port, udp_receiver_t rcvr);
+
+void send_udp_pkt(int src_port, struct socket_address dst,
+		  const void *buf, size_t len);
+
+void handle_eth_packet(uint32_t *p, size_t nlines);
+
+
+#endif /* INCLUDED_NET_COMMON_H */