Diff: include/pico_constants.h

Revision:

29:1a47b7151851

Parent:

10:dd7111d4279f

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/include/pico_constants.h	Sun Jun 16 20:19:44 2013 +0000
@@ -0,0 +1,121 @@
+/*********************************************************************
+PicoTCP. Copyright (c) 2012 TASS Belgium NV. Some rights reserved.
+See LICENSE and COPYING for usage.
+
+*********************************************************************/
+#ifndef _INCLUDE_PICO_CONST
+#define _INCLUDE_PICO_CONST
+/* Included from pico_config.h */
+/** Endian-dependant constants **/
+
+extern volatile unsigned long pico_tick;
+
+#ifdef PICO_BIGENDIAN
+
+# define PICO_IDETH_IPV4 0x0800
+# define PICO_IDETH_ARP 0x0806
+# define PICO_IDETH_IPV6 0x86DD
+
+# define PICO_ARP_REQUEST 0x0001
+# define PICO_ARP_REPLY   0x0002
+# define PICO_ARP_HTYPE_ETH 0x0001
+
+#define short_be(x) (x)
+#define long_be(x) (x)
+
+static inline uint16_t short_from(void *_p)
+{
+  unsigned char *p = (unsigned char *)_p;
+  uint16_t r, p0, p1;
+  p0 = p[0];
+  p1 = p[1];
+  r = (p0 << 8) + p1;
+  return r;
+}
+
+static inline uint32_t long_from(void *_p)
+{
+  unsigned char *p = (unsigned char *)_p;
+  uint32_t r, p0, p1, p2, p3;
+  p0 = p[0];
+  p1 = p[1];
+  p2 = p[2];
+  p3 = p[3];
+  r = (p0 << 24) + (p1 << 16) + (p2 << 8) + p3;
+  return r;
+}
+
+#else
+
+static inline uint16_t short_from(void *_p)
+{
+  unsigned char *p = (unsigned char *)_p;
+  uint16_t r, p0, p1;
+  p0 = p[0];
+  p1 = p[1];
+  r = (p1 << 8) + p0;
+  return r;
+}
+
+static inline uint32_t long_from(void *_p)
+{
+  unsigned char *p = (unsigned char *)_p;
+  uint32_t r, p0, p1, p2, p3;
+  p0 = p[0];
+  p1 = p[1];
+  p2 = p[2];
+  p3 = p[3];
+  r = (p3 << 24) + (p2 << 16) + (p1 << 8) + p0;
+  return r;
+}
+
+
+# define PICO_IDETH_IPV4 0x0008
+# define PICO_IDETH_ARP 0x0608
+# define PICO_IDETH_IPV6 0xDD86
+
+# define PICO_ARP_REQUEST 0x0100
+# define PICO_ARP_REPLY   0x0200
+# define PICO_ARP_HTYPE_ETH 0x0100
+
+static inline uint16_t short_be(uint16_t le)
+{
+  return ((le & 0xFF) << 8) | ((le >> 8) & 0xFF);
+}
+
+static inline uint32_t long_be(uint32_t le)
+{
+  uint8_t *b = (uint8_t *)&le;
+  uint32_t be = 0;
+  uint32_t b0, b1, b2;
+  b0 = b[0];
+  b1 = b[1];
+  b2 = b[2];
+  be = b[3] + (b2 << 8) + (b1 << 16) + (b0 << 24);
+  return be;
+}
+#endif
+
+
+/* Add well-known host numbers here. (bigendian constants only beyond this point) */
+#define PICO_IP4_ANY (0x00000000U)
+#define PICO_IP4_BCAST (0xffffffffU)
+
+/* defined in modules/pico_ipv6.c */
+#ifdef PICO_SUPPORT_IPV6
+extern const uint8_t PICO_IPV6_ANY[PICO_SIZE_IP6];
+#endif
+
+static inline uint32_t pico_hash(char *name)
+{
+  unsigned long hash = 5381;
+  int c;
+  while ((c = *name++))
+    hash = ((hash << 5) + hash) + c; /* hash * 33 + c */
+  return hash;
+}
+
+/* Debug */
+//#define PICO_SUPPORT_DEBUG_MEMORY
+//#define PICO_SUPPORT_DEBUG_TOOLS
+#endif