Import LwIP code to CHIP

.yams/cpp_rules.min

@@ -0,0 +1,82 @@
+Common_C_Flags = -DHAVE_CONFIG_H -g -O2
+
+Module_C_Flags += $(Common_C_Flags) $(Module_Includes)
+Module_Test_C_Flags += $(Common_C_Flags) $(Module_Test_Includes)
+
+C_Objects = $(C_Files:.c=.o)
+CPP_Objects = $(CPP_Files:.cpp=.o)
+
+Tests_C_Files = $(wildcard $(Test_Dir)/*.c)
+Tests_C_Exe = $(Tests_C_Files:.c=_q)
+
+Tests_CPP_Files = $(wildcard $(Test_Dir)/*.cpp)
+Tests_CPP_Exe = $(Tests_CPP_Files:.cpp=_q)
+
+VALGRIND := $(shell command -v valgrind 2> /dev/null)
+
+ifdef VALGRIND
+ VALGRIND += --leak-check=yes -q
+endif
+
+CPPCHECK := $(shell command -v cppcheck 2> /dev/null)
+ifdef CPPCHECK
+ CPPCHECK += -q --error-exitcode=1
+endif
+
+CLANG_FORMAT := $(shell command -v clang-format 2> /dev/null)
+ifdef CLANG_FORMAT
+ CLANG_FORMAT += -style=Chromium -i
+endif
+
+GCOV := $(shell command -v gcov 2> /dev/null)
+
+%.o: %.c
+ @$(CC) $(Module_C_Flags) -c $< -o $@
+ifdef CPPCHECK
+ @$(CPPCHECK) $(Module_Includes) $<
+endif
+ @echo "CC <= $<"
+
+%.o: %.cpp
+ @$(CXX) $(Module_C_Flags) -c $< -o $@
+ifdef CPPCHECK
+ @$(CPPCHECK) $(Module_Includes) $<
+endif
+ @echo "CXX <= $<"
+
+$(Test_Dir)/%_q: $(Test_Dir)/%.c
+ifdef CLANG_FORMAT
+ @$(CLANG_FORMAT) $<
+endif
+ @$(CC) $< -o $@ $(Module_Test_C_Flags) -L/usr/local/lib $($(*F)_FLAGS) -fprofile-arcs -ftest-coverage -fprofile-dir="$(Test_Dir)"
+ifdef CPPCHECK
+ @$(CPPCHECK) $(Module_Test_Includes) $($(*F)_Inc_FLAGS) $<
+endif
+ @mv $(*F).gc* $(Test_Dir)
+ @echo "Building tests <= $<"
+
+$(Test_Dir)/%_q: $(Test_Dir)/%.cpp
+ifdef CLANG_FORMAT
+ @$(CLANG_FORMAT) $<
+endif
+ @$(CXX) $< -o $@ $(Module_Test_C_Flags) -L/usr/local/lib $($(*F)_FLAGS) -fprofile-arcs -ftest-coverage -fprofile-dir="$(Test_Dir)"
+ifdef CPPCHECK
+ @$(CPPCHECK) $(Module_Test_Includes) $($(*F)_Inc_FLAGS) $<
+endif
+ @mv $(*F).gc* $(Test_Dir)
+ @echo "Building tests <= $<"
+
+run_tests: $(Tests_C_Exe) $(Tests_CPP_Exe)
+ @echo "Running tests <= $<"
+ @$(foreach f,$^,$(VALGRIND) ./$(f);)
+ifneq ($(and $(GCOV),$(Tests_C_Files)),)
+ @$(GCOV) $(Tests_C_Files)
+endif
+ifneq ($(and $(GCOV),$(Tests_CPP_Files)),)
+ @$(GCOV) $(Tests_CPP_Files)
+endif
+
+my_clean:
+ @rm -f $(C_Objects) $(CPP_Objects)
+ @rm -f $(Tests_C_Exe) $(Tests_CPP_Exe) $(Test_Dir)/*.gcda $(Test_Dir)/*.gcno $(Test_Dir)/*.gcov
+ @rm -rf $(Test_Dir)/*.dSYM

Makefile

@@ -0,0 +1,6 @@
+SUB_DIRS=src
+
+.PHONY: all clean test
+
+all test clean:
+ $(foreach dir,$(SUB_DIRS), $(MAKE) $@ -C $(dir))

src/Makefile

@@ -0,0 +1,9 @@
+TOPTARGETS := all clean run_tests
+
+SUBDIRS = lwip
+
+$(TOPTARGETS): $(SUBDIRS)
+$(SUBDIRS):
+ $(MAKE) -C $@ $(MAKECMDGOALS)
+
+.PHONY: $(TOPTARGETS) $(SUBDIRS)

src/lwip/Makefile

@@ -0,0 +1,75 @@
+TOP_DIR = ../..
+Test_Dir = tests
+
+.PHONY: all
+
+all: liblwip.a run_tests
+
+include $(TOP_DIR)/.yams/cpp_rules.min
+
+Module_Includes = \
+ -I. \
+ -I$(TOP_DIR) \
+ -I$(TOP_DIR)/third_party/lwip/repo/lwip/src/include \
+ -I$(TOP_DIR)/third_party/lwip/repo/lwip/src/include/ipv4 \
+ -I$(TOP_DIR)/third_party/lwip/repo/lwip/src/include/ipv6 \
+ -I$(TOP_DIR)/src/lwip \
+ -I$(TOP_DIR)/src/lwip/standalone
+
+Module_Test_Includes = $(Module_Includes)
+
+C_Files = \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/api/api_lib.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/api/api_msg.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/api/err.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/api/netbuf.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/api/netdb.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/api/netifapi.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/api/sockets.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/api/tcpip.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/core/def.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/core/dns.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/core/inet_chksum.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/core/init.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/core/ipv4/autoip.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/core/ipv4/icmp.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/core/ipv4/igmp.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/core/ipv4/ip4.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/core/ipv4/ip4_addr.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/core/ipv4/etharp.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/core/ipv4/ip4_frag.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/core/ipv4/dhcp.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/core/ipv6/ip6_route_table.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/core/ipv6/dhcp6.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/core/ipv6/ethip6.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/core/ipv6/icmp6.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/core/ipv6/inet6.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/core/ipv6/ip6.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/core/ipv6/ip6_addr.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/core/ipv6/ip6_frag.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/core/ipv6/mld6.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/core/ipv6/nd6.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/core/mem.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/core/memp.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/core/netif.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/core/pbuf.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/core/raw.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/core/stats.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/core/sys.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/core/tcp.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/core/tcp_in.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/core/tcp_out.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/core/udp.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/core/ip.c \
+ $(TOP_DIR)/third_party/lwip/repo/lwip/src/core/timeouts.c \
+ standalone/sys_arch.c \
+ standalone/TapInterface.c
+
+liblwip.a: $(C_Objects)
+ @ar cru $@ $^
+ @echo "LINK => $@"
+
+.PHONY: clean
+
+clean: my_clean
+ @rm -f liblwip.a *.gcda *.gcno *.gcov

src/lwip/efr32/arch/cc.h

@@ -0,0 +1,74 @@
+/*
+ *
+ * <COPYRIGHT>
+ *
+ */
+
+#ifndef CHIP_LWIP_FREERTOS_ARCH_CC_H
+#define CHIP_LWIP_FREERTOS_ARCH_CC_H
+
+#include <errno.h>
+#include <malloc.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <sys/time.h>
+
+#if __cplusplus
+extern "C" {
+#endif
+
+#ifndef LWIP_NOASSERT
+#ifdef DEBUG
+#define LWIP_PLATFORM_ASSERT(MSG) assert(MSG);
+#else
+#define LWIP_PLATFORM_ASSERT(MSG)
+#endif
+#else
+#define LWIP_PLATFORM_ASSERT(message)
+#endif
+
+#ifndef BYTE_ORDER
+#if defined(__LITTLE_ENDIAN__)
+#define BYTE_ORDER LITTLE_ENDIAN
+#elif defined(__BIG_ENDIAN__)
+#define BYTE_ORDER BIG_ENDIAN
+#elif defined(__BYTE_ORDER__)
+#define BYTE_ORDER __BYTE_ORDER__
+#endif
+#endif // BYTE_ORDER
+
+#define PACK_STRUCT_STRUCT __attribute__((__packed__))
+#define PACK_STRUCT_FIELD(x) x
+
+extern void LwIPLog(const char *fmt, ...);
+#define LWIP_PLATFORM_DIAG(x) \
+ do \
+ { \
+ LwIPLog x; \
+ } while (0)
+
+// Place LwIP pools into their own subsections of .bss to make it easier to see
+// their sizes in the linker map file.
+extern uint8_t __attribute__((section(".bss.lwip_ND6_QUEUE"))) memp_memory_ND6_QUEUE_base[];
+extern uint8_t __attribute__((section(".bss.lwip_IP6_REASSDATA"))) memp_memory_IP6_REASSDATA_base[];
+extern uint8_t __attribute__((section(".bss.lwip_RAW_PCB"))) memp_memory_RAW_PCB_base[];
+extern uint8_t __attribute__((section(".bss.lwip_TCP_SEG"))) memp_memory_TCP_SEG_base[];
+extern uint8_t __attribute__((section(".bss.lwip_PBUF_POOL"))) memp_memory_PBUF_POOL_base[];
+extern uint8_t __attribute__((section(".bss.lwip_FRAG_PBUF"))) memp_memory_FRAG_PBUF_base[];
+extern uint8_t __attribute__((section(".bss.lwip_PBUF"))) memp_memory_PBUF_base[];
+extern uint8_t __attribute__((section(".bss.lwip_TCP_PCB_LISTEN"))) memp_memory_TCP_PCB_LISTEN_base[];
+extern uint8_t __attribute__((section(".bss.lwip_REASSDATA"))) memp_memory_REASSDATA_base[];
+extern uint8_t __attribute__((section(".bss.lwip_UDP_PCB"))) memp_memory_UDP_PCB_base[];
+extern uint8_t __attribute__((section(".bss.lwip_MLD6_GROUP"))) memp_memory_MLD6_GROUP_base[];
+extern uint8_t __attribute__((section(".bss.lwip_IGMP_GROUP"))) memp_memory_IGMP_GROUP_base[];
+extern uint8_t __attribute__((section(".bss.lwip_TCP_PCB"))) memp_memory_TCP_PCB_base[];
+extern uint8_t __attribute__((section(".bss.lwip_SYS_TIMEOUT"))) memp_memory_SYS_TIMEOUT_base[];
+
+#if __cplusplus
+}
+#endif
+
+#endif /* CHIP_LWIP_FREERTOS_ARCH_CC_H */

src/lwip/efr32/arch/perf.h

@@ -0,0 +1,13 @@
+/*
+ *
+ * <COPYRIGHT>
+ *
+ */
+
+#ifndef CHIP_LWIP_FREERTOS_ARCH_PERF_H
+#define CHIP_LWIP_FREERTOS_ARCH_PERF_H
+
+#define PERF_START
+#define PERF_STOP(s)
+
+#endif /* CHIP_LWIP_FREERTOS_ARCH_PERF_H */