net_common working in this state with control udp packets

1 files changed, 93 insertions, 0 deletions

diff --git a/firmware/microblaze/lib/banal.h b/firmware/microblaze/lib/banal.h
new file mode 100644
index 000000000..6d9420602
--- /dev/null
+++ b/firmware/microblaze/lib/banal.h
@@ -0,0 +1,93 @@
+/* -*- c -*- */
+/*
+ * Copyright 2009 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_BANAL_H
+#define INCLUDED_BANAL_H
+
+#include <stdint.h>
+#include <lwip/ip_addr.h>
+
+/*
+ * 1's complement sum for IP and UDP headers
+ *
+ * init chksum to zero to start.
+ */
+static inline unsigned int
+CHKSUM(unsigned int x, unsigned int *chksum)
+{
+  *chksum += x;
+  *chksum = (*chksum & 0xffff) + (*chksum>>16);
+  *chksum = (*chksum & 0xffff) + (*chksum>>16);
+  return x;
+}
+
+unsigned int 
+chksum_buffer(unsigned short *buf, int nshorts, unsigned int initial_chksum);
+
+//-------------- unsigned get_int 8, 16, 32, 64 --------------//
+
+static inline uint8_t
+get_uint8(const unsigned char *s)
+{
+  return s[0];
+}
+
+static inline uint16_t
+get_uint16(const unsigned char *s)
+{
+  return (s[0] << 8) | s[1];
+}
+
+uint32_t
+get_uint32(const unsigned char *s);
+
+uint64_t
+get_uint64(const unsigned char *s);
+
+//--------------- signed get_int 8, 16, 32, 64 --------------//
+
+static inline int8_t
+get_int8(const unsigned char *s)
+{
+  return get_uint8(s);
+}
+
+static inline int16_t
+get_int16(const unsigned char *s)
+{
+  return get_uint16(s);
+}
+
+static inline int32_t
+get_int32(const unsigned char *s)
+{
+  return get_uint32(s);
+}
+
+static inline int64_t
+get_int64(const unsigned char *s)
+{
+  return get_uint64(s);
+}
+
+void
+print_ip(struct ip_addr ip);
+
+uint32_t
+divide_uint64(uint64_t dividend, uint32_t divisor);
+
+#endif /* INCLUDED_BANAL_H */