extmod/modlwip: Initial commit of the lwip network stack module

2 files changed, 48 insertions, 0 deletions

diff --git a/extmod/lwip-include/arch/cc.h b/extmod/lwip-include/arch/cc.h
new file mode 100644
index 0000000000..0a7907d347
--- /dev/null
+++ b/extmod/lwip-include/arch/cc.h
@@ -0,0 +1,41 @@
+#ifndef __CC_H__
+#define __CC_H__
+
+#include <stdint.h>
+
+// Generate lwip's internal types from stdint
+
+typedef uint8_t u8_t;
+typedef int8_t s8_t;
+typedef uint16_t u16_t;
+typedef int16_t s16_t;
+typedef uint32_t u32_t;
+typedef int32_t s32_t;
+
+typedef u32_t mem_ptr_t;
+
+#define U16_F "hu"
+#define S16_F "hd"
+#define X16_F "hx"
+#define U32_F "u"
+#define S32_F "d"
+#define X32_F "x"
+
+#define X8_F  "02x"
+#define SZT_F "u"
+
+#define BYTE_ORDER LITTLE_ENDIAN
+
+#define LWIP_CHKSUM_ALGORITHM 2
+
+#include <assert.h>
+#define LWIP_PLATFORM_DIAG(x)
+#define LWIP_PLATFORM_ASSERT(x)  { assert(1); }
+
+//#define PACK_STRUCT_FIELD(x) x __attribute__((packed))
+#define PACK_STRUCT_FIELD(x) x
+#define PACK_STRUCT_STRUCT __attribute__((packed))
+#define PACK_STRUCT_BEGIN
+#define PACK_STRUCT_END
+
+#endif /* __ARCH_CC_H__ */
diff --git a/extmod/lwip-include/arch/perf.h b/extmod/lwip-include/arch/perf.h
new file mode 100644
index 0000000000..51710701a2
--- /dev/null
+++ b/extmod/lwip-include/arch/perf.h
@@ -0,0 +1,7 @@
+#ifndef __PERF_H__
+#define __PERF_H__
+
+#define PERF_START    /* null definition */
+#define PERF_STOP(x)  /* null definition */
+
+#endif /* __PERF_H__ */