Porting PicoTCP WIP

kernel/picotcp/include/pico_constants.h

@@ -0,0 +1,58 @@
+/*********************************************************************
+   PicoTCP. Copyright (c) 2012-2017 Altran Intelligent Systems. Some rights reserved.
+   See COPYING, LICENSE.GPLv2 and LICENSE.GPLv3 for usage.
+
+ *********************************************************************/
+#ifndef INCLUDE_PICO_CONST
+#define INCLUDE_PICO_CONST
+/* Included from pico_config.h */
+
+/** Non-endian dependant constants */
+#define PICO_SIZE_IP4    4
+#define PICO_SIZE_IP6   16
+#define PICO_SIZE_ETH    6
+#define PICO_SIZE_TRANS  8
+#define PICO_SIZE_IEEE802154_EXT (8u)
+#define PICO_SIZE_IEEE802154_SHORT (2u)
+
+/** Endian-dependant constants **/
+typedef uint64_t pico_time;
+extern volatile uint64_t pico_tick;
+
+
+/*** *** *** *** *** *** ***
+ ***     ARP CONFIG      ***
+ *** *** *** *** *** *** ***/
+
+#include "pico_addressing.h"
+
+/* Maximum amount of accepted ARP requests per burst interval */
+#define PICO_ARP_MAX_RATE 1
+/* Duration of the burst interval in milliseconds */
+#define PICO_ARP_INTERVAL 1000
+
+/* Add well-known host numbers here. (bigendian constants only beyond this point) */
+#define PICO_IP4_ANY (0x00000000U)
+#define PICO_IP4_BCAST (0xffffffffU)
+
+#define PICO_IEEE802154_BCAST (0xffffu)
+
+/* 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(const void *buf, uint32_t size)
+{
+    uint32_t hash = 5381;
+    uint32_t i;
+    const uint8_t *ptr = (const uint8_t *)buf;
+    for(i = 0; i < size; i++)
+        hash = ((hash << 5) + hash) + ptr[i]; /* hash * 33 + char */
+    return hash;
+}
+
+/* Debug */
+/* #define PICO_SUPPORT_DEBUG_MEMORY */
+/* #define PICO_SUPPORT_DEBUG_TOOLS */
+#endif