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-rw-r--r--os/various/lwip_bindings/arch/cc.h74
-rw-r--r--os/various/lwip_bindings/arch/perf.h57
-rw-r--r--os/various/lwip_bindings/arch/sys_arch.c240
-rw-r--r--os/various/lwip_bindings/arch/sys_arch.h68
-rw-r--r--os/various/lwip_bindings/lwip.mk54
-rw-r--r--os/various/lwip_bindings/lwipthread.c302
-rw-r--r--os/various/lwip_bindings/lwipthread.h131
-rw-r--r--os/various/lwip_bindings/readme.txt6
8 files changed, 932 insertions, 0 deletions
diff --git a/os/various/lwip_bindings/arch/cc.h b/os/various/lwip_bindings/arch/cc.h
new file mode 100644
index 000000000..45b302716
--- /dev/null
+++ b/os/various/lwip_bindings/arch/cc.h
@@ -0,0 +1,74 @@
+/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+/*
+ * **** This file incorporates work covered by the following copyright and ****
+ * **** permission notice: ****
+ *
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ *
+ * Author: Adam Dunkels <adam@sics.se>
+ *
+ */
+
+#ifndef __CC_H__
+#define __CC_H__
+
+#include <hal.h>
+
+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 uint32_t mem_ptr_t;
+
+#define PACK_STRUCT_STRUCT __attribute__((packed))
+
+#define LWIP_PLATFORM_DIAG(x)
+#define LWIP_PLATFORM_ASSERT(x) { \
+ osalSysHalt(x); \
+}
+
+#define BYTE_ORDER LITTLE_ENDIAN
+#define LWIP_PROVIDE_ERRNO
+
+#endif /* __CC_H__ */
diff --git a/os/various/lwip_bindings/arch/perf.h b/os/various/lwip_bindings/arch/perf.h
new file mode 100644
index 000000000..81ef4673b
--- /dev/null
+++ b/os/various/lwip_bindings/arch/perf.h
@@ -0,0 +1,57 @@
+/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+/*
+ * **** This file incorporates work covered by the following copyright and ****
+ * **** permission notice: ****
+ *
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ *
+ * Author: Adam Dunkels <adam@sics.se>
+ *
+ */
+
+#ifndef __PERF_H__
+#define __PERF_H__
+
+#define PERF_START
+#define PERF_STOP(x)
+
+#endif /* __PERF_H__ */
diff --git a/os/various/lwip_bindings/arch/sys_arch.c b/os/various/lwip_bindings/arch/sys_arch.c
new file mode 100644
index 000000000..96f17a024
--- /dev/null
+++ b/os/various/lwip_bindings/arch/sys_arch.c
@@ -0,0 +1,240 @@
+/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+/*
+ * **** This file incorporates work covered by the following copyright and ****
+ * **** permission notice: ****
+ *
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ *
+ * Author: Adam Dunkels <adam@sics.se>
+ *
+ */
+
+// see http://lwip.wikia.com/wiki/Porting_for_an_OS for instructions
+
+#include "hal.h"
+
+#include "lwip/opt.h"
+#include "lwip/mem.h"
+#include "lwip/sys.h"
+#include "lwip/stats.h"
+
+#include "arch/cc.h"
+#include "arch/sys_arch.h"
+
+void sys_init(void) {
+
+}
+
+err_t sys_sem_new(sys_sem_t *sem, u8_t count) {
+
+ *sem = chHeapAlloc(NULL, sizeof(semaphore_t));
+ if (*sem == 0) {
+ SYS_STATS_INC(sem.err);
+ return ERR_MEM;
+ }
+ else {
+ chSemObjectInit(*sem, (cnt_t)count);
+ SYS_STATS_INC_USED(sem);
+ return ERR_OK;
+ }
+}
+
+void sys_sem_free(sys_sem_t *sem) {
+
+ chHeapFree(*sem);
+ *sem = SYS_SEM_NULL;
+ SYS_STATS_DEC(sem.used);
+}
+
+void sys_sem_signal(sys_sem_t *sem) {
+
+ chSemSignal(*sem);
+}
+
+/* CHIBIOS FIX: specific variant of this call to be called from within
+ a lock.*/
+void sys_sem_signal_S(sys_sem_t *sem) {
+
+ chSemSignalI(*sem);
+ chSchRescheduleS();
+}
+
+u32_t sys_arch_sem_wait(sys_sem_t *sem, u32_t timeout) {
+ systime_t time, tmo;
+
+ osalSysLock();
+ tmo = timeout > 0 ? (systime_t)timeout : TIME_INFINITE;
+ time = osalOsGetSystemTimeX();
+ if (chSemWaitTimeoutS(*sem, tmo) != MSG_OK)
+ time = SYS_ARCH_TIMEOUT;
+ else
+ time = osalOsGetSystemTimeX() - time;
+ osalSysUnlock();
+ return time;
+}
+
+int sys_sem_valid(sys_sem_t *sem) {
+ return *sem != SYS_SEM_NULL;
+}
+
+// typically called within lwIP after freeing a semaphore
+// to make sure the pointer is not left pointing to invalid data
+void sys_sem_set_invalid(sys_sem_t *sem) {
+ *sem = SYS_SEM_NULL;
+}
+
+err_t sys_mbox_new(sys_mbox_t *mbox, int size) {
+
+ *mbox = chHeapAlloc(NULL, sizeof(mailbox_t) + sizeof(msg_t) * size);
+ if (*mbox == 0) {
+ SYS_STATS_INC(mbox.err);
+ return ERR_MEM;
+ }
+ else {
+ chMBObjectInit(*mbox, (void *)(((uint8_t *)*mbox) + sizeof(mailbox_t)), size);
+ SYS_STATS_INC(mbox.used);
+ return ERR_OK;
+ }
+}
+
+void sys_mbox_free(sys_mbox_t *mbox) {
+ cnt_t tmpcnt;
+
+ osalSysLock();
+ tmpcnt = chMBGetUsedCountI(*mbox);
+ osalSysUnlock();
+
+ if (tmpcnt != 0) {
+ // If there are messages still present in the mailbox when the mailbox
+ // is deallocated, it is an indication of a programming error in lwIP
+ // and the developer should be notified.
+ SYS_STATS_INC(mbox.err);
+ chMBReset(*mbox);
+ }
+ chHeapFree(*mbox);
+ *mbox = SYS_MBOX_NULL;
+ SYS_STATS_DEC(mbox.used);
+}
+
+void sys_mbox_post(sys_mbox_t *mbox, void *msg) {
+
+ chMBPost(*mbox, (msg_t)msg, TIME_INFINITE);
+}
+
+err_t sys_mbox_trypost(sys_mbox_t *mbox, void *msg) {
+
+ if (chMBPost(*mbox, (msg_t)msg, TIME_IMMEDIATE) == MSG_TIMEOUT) {
+ SYS_STATS_INC(mbox.err);
+ return ERR_MEM;
+ }
+ return ERR_OK;
+}
+
+u32_t sys_arch_mbox_fetch(sys_mbox_t *mbox, void **msg, u32_t timeout) {
+ systime_t time, tmo;
+
+ osalSysLock();
+ tmo = timeout > 0 ? (systime_t)timeout : TIME_INFINITE;
+ time = osalOsGetSystemTimeX();
+ if (chMBFetchS(*mbox, (msg_t *)msg, tmo) != MSG_OK)
+ time = SYS_ARCH_TIMEOUT;
+ else
+ time = osalOsGetSystemTimeX() - time;
+ osalSysUnlock();
+ return time;
+}
+
+u32_t sys_arch_mbox_tryfetch(sys_mbox_t *mbox, void **msg) {
+
+ if (chMBFetch(*mbox, (msg_t *)msg, TIME_IMMEDIATE) == MSG_TIMEOUT)
+ return SYS_MBOX_EMPTY;
+ return 0;
+}
+
+int sys_mbox_valid(sys_mbox_t *mbox) {
+ return *mbox != SYS_MBOX_NULL;
+}
+
+// typically called within lwIP after freeing an mbox
+// to make sure the pointer is not left pointing to invalid data
+void sys_mbox_set_invalid(sys_mbox_t *mbox) {
+ *mbox = SYS_MBOX_NULL;
+}
+
+sys_thread_t sys_thread_new(const char *name, lwip_thread_fn thread,
+ void *arg, int stacksize, int prio) {
+
+ size_t wsz;
+ void *wsp;
+
+ (void)name;
+ wsz = THD_WORKING_AREA_SIZE(stacksize);
+ wsp = chCoreAlloc(wsz);
+ if (wsp == NULL)
+ return NULL;
+ return (sys_thread_t)chThdCreateStatic(wsp, wsz, prio, (tfunc_t)thread, arg);
+}
+
+sys_prot_t sys_arch_protect(void) {
+
+ osalSysLock();
+ return 0;
+}
+
+void sys_arch_unprotect(sys_prot_t pval) {
+
+ (void)pval;
+ osalSysUnlock();
+}
+
+u32_t sys_now(void) {
+
+#if OSAL_ST_FREQUENCY == 1000
+ return (u32_t)osalOsGetSystemTimeX();
+#elif (OSAL_ST_FREQUENCY / 1000) >= 1 && (OSAL_ST_FREQUENCY % 1000) == 0
+ return ((u32_t)osalOsGetSystemTimeX() - 1) / (OSAL_ST_FREQUENCY / 1000) + 1;
+#elif (1000 / OSAL_ST_FREQUENCY) >= 1 && (1000 % OSAL_ST_FREQUENCY) == 0
+ return ((u32_t)osalOsGetSystemTimeX() - 1) * (1000 / OSAL_ST_FREQUENCY) + 1;
+#else
+ return (u32_t)(((u64_t)(osalOsGetSystemTimeX() - 1) * 1000) / OSAL_ST_FREQUENCY) + 1;
+#endif
+}
diff --git a/os/various/lwip_bindings/arch/sys_arch.h b/os/various/lwip_bindings/arch/sys_arch.h
new file mode 100644
index 000000000..8520a433d
--- /dev/null
+++ b/os/various/lwip_bindings/arch/sys_arch.h
@@ -0,0 +1,68 @@
+/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+/*
+ * **** This file incorporates work covered by the following copyright and ****
+ * **** permission notice: ****
+ *
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ *
+ * Author: Adam Dunkels <adam@sics.se>
+ *
+ */
+
+#include <hal.h>
+
+#ifndef __SYS_ARCH_H__
+#define __SYS_ARCH_H__
+
+typedef semaphore_t * sys_sem_t;
+typedef mailbox_t * sys_mbox_t;
+typedef thread_t * sys_thread_t;
+typedef int sys_prot_t;
+
+#define SYS_MBOX_NULL (mailbox_t *)0
+#define SYS_THREAD_NULL (thread_t *)0
+#define SYS_SEM_NULL (semaphore_t *)0
+
+/* let sys.h use binary semaphores for mutexes */
+#define LWIP_COMPAT_MUTEX 1
+
+#endif /* __SYS_ARCH_H__ */
diff --git a/os/various/lwip_bindings/lwip.mk b/os/various/lwip_bindings/lwip.mk
new file mode 100644
index 000000000..e2aa72d2f
--- /dev/null
+++ b/os/various/lwip_bindings/lwip.mk
@@ -0,0 +1,54 @@
+# List of the required lwIP files.
+LWIP = ${CHIBIOS}/os/ext/lwip
+
+LWBINDSRC = \
+ $(CHIBIOS)/os/various/lwip_bindings/lwipthread.c \
+ $(CHIBIOS)/os/various/lwip_bindings/arch/sys_arch.c
+
+LWNETIFSRC = \
+ ${LWIP}/src/netif/etharp.c
+
+LWCORESRC = \
+ ${LWIP}/src/core/dhcp.c \
+ ${LWIP}/src/core/dns.c \
+ ${LWIP}/src/core/init.c \
+ ${LWIP}/src/core/mem.c \
+ ${LWIP}/src/core/memp.c \
+ ${LWIP}/src/core/netif.c \
+ ${LWIP}/src/core/pbuf.c \
+ ${LWIP}/src/core/raw.c \
+ ${LWIP}/src/core/stats.c \
+ ${LWIP}/src/core/sys.c \
+ ${LWIP}/src/core/tcp.c \
+ ${LWIP}/src/core/tcp_in.c \
+ ${LWIP}/src/core/tcp_out.c \
+ ${LWIP}/src/core/udp.c
+
+LWIPV4SRC = \
+ ${LWIP}/src/core/ipv4/autoip.c \
+ ${LWIP}/src/core/ipv4/icmp.c \
+ ${LWIP}/src/core/ipv4/igmp.c \
+ ${LWIP}/src/core/ipv4/inet.c \
+ ${LWIP}/src/core/ipv4/inet_chksum.c \
+ ${LWIP}/src/core/ipv4/ip.c \
+ ${LWIP}/src/core/ipv4/ip_addr.c \
+ ${LWIP}/src/core/ipv4/ip_frag.c \
+ ${LWIP}/src/core/def.c \
+ ${LWIP}/src/core/timers.c
+
+LWAPISRC = \
+ ${LWIP}/src/api/api_lib.c \
+ ${LWIP}/src/api/api_msg.c \
+ ${LWIP}/src/api/err.c \
+ ${LWIP}/src/api/netbuf.c \
+ ${LWIP}/src/api/netdb.c \
+ ${LWIP}/src/api/netifapi.c \
+ ${LWIP}/src/api/sockets.c \
+ ${LWIP}/src/api/tcpip.c
+
+LWSRC = $(LWBINDSRC) $(LWNETIFSRC) $(LWCORESRC) $(LWIPV4SRC) $(LWAPISRC)
+
+LWINC = \
+ $(CHIBIOS)/os/various/lwip_bindings \
+ ${LWIP}/src/include \
+ ${LWIP}/src/include/ipv4
diff --git a/os/various/lwip_bindings/lwipthread.c b/os/various/lwip_bindings/lwipthread.c
new file mode 100644
index 000000000..918404d4d
--- /dev/null
+++ b/os/various/lwip_bindings/lwipthread.c
@@ -0,0 +1,302 @@
+/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+/*
+ * **** This file incorporates work covered by the following copyright and ****
+ * **** permission notice: ****
+ *
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ *
+ * Author: Adam Dunkels <adam@sics.se>
+ *
+ */
+
+/**
+ * @file lwipthread.c
+ * @brief LWIP wrapper thread code.
+ * @addtogroup LWIP_THREAD
+ * @{
+ */
+
+#include "hal.h"
+#include "evtimer.h"
+
+#include "lwipthread.h"
+
+#include "lwip/opt.h"
+
+#include "lwip/def.h"
+#include "lwip/mem.h"
+#include "lwip/pbuf.h"
+#include "lwip/sys.h"
+#include <lwip/stats.h>
+#include <lwip/snmp.h>
+#include <lwip/tcpip.h>
+#include "netif/etharp.h"
+#include "netif/ppp_oe.h"
+
+#define PERIODIC_TIMER_ID 1
+#define FRAME_RECEIVED_ID 2
+
+/**
+ * Stack area for the LWIP-MAC thread.
+ */
+THD_WORKING_AREA(wa_lwip_thread, LWIP_THREAD_STACK_SIZE);
+
+/*
+ * Initialization.
+ */
+static void low_level_init(struct netif *netif) {
+ /* set MAC hardware address length */
+ netif->hwaddr_len = ETHARP_HWADDR_LEN;
+
+ /* maximum transfer unit */
+ netif->mtu = 1500;
+
+ /* device capabilities */
+ /* don't set NETIF_FLAG_ETHARP if this device is not an Ethernet one */
+ netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_LINK_UP;
+
+ /* Do whatever else is needed to initialize interface. */
+}
+
+/*
+ * Transmits a frame.
+ */
+static err_t low_level_output(struct netif *netif, struct pbuf *p) {
+ struct pbuf *q;
+ MACTransmitDescriptor td;
+
+ (void)netif;
+ if (macWaitTransmitDescriptor(&ETHD1, &td, MS2ST(LWIP_SEND_TIMEOUT)) != MSG_OK)
+ return ERR_TIMEOUT;
+
+#if ETH_PAD_SIZE
+ pbuf_header(p, -ETH_PAD_SIZE); /* drop the padding word */
+#endif
+
+ /* Iterates through the pbuf chain. */
+ for(q = p; q != NULL; q = q->next)
+ macWriteTransmitDescriptor(&td, (uint8_t *)q->payload, (size_t)q->len);
+ macReleaseTransmitDescriptor(&td);
+
+#if ETH_PAD_SIZE
+ pbuf_header(p, ETH_PAD_SIZE); /* reclaim the padding word */
+#endif
+
+ LINK_STATS_INC(link.xmit);
+
+ return ERR_OK;
+}
+
+/*
+ * Receives a frame.
+ */
+static struct pbuf *low_level_input(struct netif *netif) {
+ MACReceiveDescriptor rd;
+ struct pbuf *p, *q;
+ u16_t len;
+
+ (void)netif;
+ if (macWaitReceiveDescriptor(&ETHD1, &rd, TIME_IMMEDIATE) == MSG_OK) {
+ len = (u16_t)rd.size;
+
+#if ETH_PAD_SIZE
+ len += ETH_PAD_SIZE; /* allow room for Ethernet padding */
+#endif
+
+ /* We allocate a pbuf chain of pbufs from the pool. */
+ p = pbuf_alloc(PBUF_RAW, len, PBUF_POOL);
+
+ if (p != NULL) {
+
+#if ETH_PAD_SIZE
+ pbuf_header(p, -ETH_PAD_SIZE); /* drop the padding word */
+#endif
+
+ /* Iterates through the pbuf chain. */
+ for(q = p; q != NULL; q = q->next)
+ macReadReceiveDescriptor(&rd, (uint8_t *)q->payload, (size_t)q->len);
+ macReleaseReceiveDescriptor(&rd);
+
+#if ETH_PAD_SIZE
+ pbuf_header(p, ETH_PAD_SIZE); /* reclaim the padding word */
+#endif
+
+ LINK_STATS_INC(link.recv);
+ }
+ else {
+ macReleaseReceiveDescriptor(&rd);
+ LINK_STATS_INC(link.memerr);
+ LINK_STATS_INC(link.drop);
+ }
+ return p;
+ }
+ return NULL;
+}
+
+/*
+ * Initialization.
+ */
+static err_t ethernetif_init(struct netif *netif) {
+#if LWIP_NETIF_HOSTNAME
+ /* Initialize interface hostname */
+ netif->hostname = "lwip";
+#endif /* LWIP_NETIF_HOSTNAME */
+
+ /*
+ * Initialize the snmp variables and counters inside the struct netif.
+ * The last argument should be replaced with your link speed, in units
+ * of bits per second.
+ */
+ NETIF_INIT_SNMP(netif, snmp_ifType_ethernet_csmacd, LWIP_LINK_SPEED);
+
+ netif->state = NULL;
+ netif->name[0] = LWIP_IFNAME0;
+ netif->name[1] = LWIP_IFNAME1;
+ /* We directly use etharp_output() here to save a function call.
+ * You can instead declare your own function an call etharp_output()
+ * from it if you have to do some checks before sending (e.g. if link
+ * is available...) */
+ netif->output = etharp_output;
+ netif->linkoutput = low_level_output;
+
+ /* initialize the hardware */
+ low_level_init(netif);
+
+ return ERR_OK;
+}
+
+/**
+ * @brief LWIP handling thread.
+ *
+ * @param[in] p pointer to a @p lwipthread_opts structure or @p NULL
+ * @return The function does not return.
+ */
+msg_t lwip_thread(void *p) {
+ event_timer_t evt;
+ event_listener_t el0, el1;
+ struct ip_addr ip, gateway, netmask;
+ static struct netif thisif;
+ static const MACConfig mac_config = {thisif.hwaddr};
+
+ chRegSetThreadName("lwipthread");
+
+ /* Initializes the thing.*/
+ tcpip_init(NULL, NULL);
+
+ /* TCP/IP parameters, runtime or compile time.*/
+ if (p) {
+ struct lwipthread_opts *opts = p;
+ unsigned i;
+
+ for (i = 0; i < 6; i++)
+ thisif.hwaddr[i] = opts->macaddress[i];
+ ip.addr = opts->address;
+ gateway.addr = opts->gateway;
+ netmask.addr = opts->netmask;
+ }
+ else {
+ thisif.hwaddr[0] = LWIP_ETHADDR_0;
+ thisif.hwaddr[1] = LWIP_ETHADDR_1;
+ thisif.hwaddr[2] = LWIP_ETHADDR_2;
+ thisif.hwaddr[3] = LWIP_ETHADDR_3;
+ thisif.hwaddr[4] = LWIP_ETHADDR_4;
+ thisif.hwaddr[5] = LWIP_ETHADDR_5;
+ LWIP_IPADDR(&ip);
+ LWIP_GATEWAY(&gateway);
+ LWIP_NETMASK(&netmask);
+ }
+ macStart(&ETHD1, &mac_config);
+ netif_add(&thisif, &ip, &netmask, &gateway, NULL, ethernetif_init, tcpip_input);
+
+ netif_set_default(&thisif);
+ netif_set_up(&thisif);
+
+ /* Setup event sources.*/
+ evtObjectInit(&evt, LWIP_LINK_POLL_INTERVAL);
+ evtStart(&evt);
+ chEvtRegisterMask(&evt.et_es, &el0, PERIODIC_TIMER_ID);
+ chEvtRegisterMask(macGetReceiveEventSource(&ETHD1), &el1, FRAME_RECEIVED_ID);
+ chEvtAddEvents(PERIODIC_TIMER_ID | FRAME_RECEIVED_ID);
+
+ /* Goes to the final priority after initialization.*/
+ chThdSetPriority(LWIP_THREAD_PRIORITY);
+
+ while (TRUE) {
+ eventmask_t mask = chEvtWaitAny(ALL_EVENTS);
+ if (mask & PERIODIC_TIMER_ID) {
+ bool_t current_link_status = macPollLinkStatus(&ETHD1);
+ if (current_link_status != netif_is_link_up(&thisif)) {
+ if (current_link_status)
+ tcpip_callback_with_block((tcpip_callback_fn) netif_set_link_up,
+ &thisif, 0);
+ else
+ tcpip_callback_with_block((tcpip_callback_fn) netif_set_link_down,
+ &thisif, 0);
+ }
+ }
+ if (mask & FRAME_RECEIVED_ID) {
+ struct pbuf *p;
+ while ((p = low_level_input(&thisif)) != NULL) {
+ struct eth_hdr *ethhdr = p->payload;
+ switch (htons(ethhdr->type)) {
+ /* IP or ARP packet? */
+ case ETHTYPE_IP:
+ case ETHTYPE_ARP:
+#if PPPOE_SUPPORT
+ /* PPPoE packet? */
+ case ETHTYPE_PPPOEDISC:
+ case ETHTYPE_PPPOE:
+#endif /* PPPOE_SUPPORT */
+ /* full packet send to tcpip_thread to process */
+ if (thisif.input(p, &thisif) == ERR_OK)
+ break;
+ LWIP_DEBUGF(NETIF_DEBUG, ("ethernetif_input: IP input error\n"));
+ default:
+ pbuf_free(p);
+ }
+ }
+ }
+ }
+ return 0;
+}
+
+/** @} */
diff --git a/os/various/lwip_bindings/lwipthread.h b/os/various/lwip_bindings/lwipthread.h
new file mode 100644
index 000000000..ab3540c7b
--- /dev/null
+++ b/os/various/lwip_bindings/lwipthread.h
@@ -0,0 +1,131 @@
+/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file lwipthread.h
+ * @brief LWIP wrapper thread macros and structures.
+ * @addtogroup LWIP_THREAD
+ * @{
+ */
+
+#ifndef _LWIPTHREAD_H_
+#define _LWIPTHREAD_H_
+
+#include <lwip/opt.h>
+
+/** @brief MAC thread priority.*/
+#ifndef LWIP_THREAD_PRIORITY
+#define LWIP_THREAD_PRIORITY LOWPRIO
+#endif
+
+/** @brief MAC thread stack size. */
+#if !defined(LWIP_THREAD_STACK_SIZE) || defined(__DOXYGEN__)
+#define LWIP_THREAD_STACK_SIZE 576
+#endif
+
+/** @brief Link poll interval. */
+#if !defined(LWIP_LINK_POLL_INTERVAL) || defined(__DOXYGEN__)
+#define LWIP_LINK_POLL_INTERVAL S2ST(5)
+#endif
+
+/** @brief IP Address. */
+#if !defined(LWIP_IPADDR) || defined(__DOXYGEN__)
+#define LWIP_IPADDR(p) IP4_ADDR(p, 192, 168, 1, 20)
+#endif
+
+/** @brief IP Gateway. */
+#if !defined(LWIP_GATEWAY) || defined(__DOXYGEN__)
+#define LWIP_GATEWAY(p) IP4_ADDR(p, 192, 168, 1, 1)
+#endif
+
+/** @brief IP netmask. */
+#if !defined(LWIP_NETMASK) || defined(__DOXYGEN__)
+#define LWIP_NETMASK(p) IP4_ADDR(p, 255, 255, 255, 0)
+#endif
+
+/** @brief Transmission timeout. */
+#if !defined(LWIP_SEND_TIMEOUT) || defined(__DOXYGEN__)
+#define LWIP_SEND_TIMEOUT 50
+#endif
+
+/** @brief Link speed. */
+#if !defined(LWIP_LINK_SPEED) || defined(__DOXYGEN__)
+#define LWIP_LINK_SPEED 100000000
+#endif
+
+/** @brief MAC Address byte 0. */
+#if !defined(LWIP_ETHADDR_0) || defined(__DOXYGEN__)
+#define LWIP_ETHADDR_0 0xC2
+#endif
+
+/** @brief MAC Address byte 1. */
+#if !defined(LWIP_ETHADDR_1) || defined(__DOXYGEN__)
+#define LWIP_ETHADDR_1 0xAF
+#endif
+
+/** @brief MAC Address byte 2. */
+#if !defined(LWIP_ETHADDR_2) || defined(__DOXYGEN__)
+#define LWIP_ETHADDR_2 0x51
+#endif
+
+/** @brief MAC Address byte 3. */
+#if !defined(LWIP_ETHADDR_3) || defined(__DOXYGEN__)
+#define LWIP_ETHADDR_3 0x03
+#endif
+
+/** @brief MAC Address byte 4. */
+#if !defined(LWIP_ETHADDR_4) || defined(__DOXYGEN__)
+#define LWIP_ETHADDR_4 0xCF
+#endif
+
+/** @brief MAC Address byte 5. */
+#if !defined(LWIP_ETHADDR_5) || defined(__DOXYGEN__)
+#define LWIP_ETHADDR_5 0x46
+#endif
+
+/** @brief Interface name byte 0. */
+#if !defined(LWIP_IFNAME0) || defined(__DOXYGEN__)
+#define LWIP_IFNAME0 'm'
+#endif
+
+/** @brief Interface name byte 1. */
+#if !defined(LWIP_IFNAME1) || defined(__DOXYGEN__)
+#define LWIP_IFNAME1 's'
+#endif
+
+/**
+ * @brief Runtime TCP/IP settings.
+ */
+struct lwipthread_opts {
+ uint8_t *macaddress;
+ uint32_t address;
+ uint32_t netmask;
+ uint32_t gateway;
+};
+
+extern THD_WORKING_AREA(wa_lwip_thread, LWIP_THREAD_STACK_SIZE);
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ msg_t lwip_thread(void *p);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _LWIPTHREAD_H_ */
+
+/** @} */
diff --git a/os/various/lwip_bindings/readme.txt b/os/various/lwip_bindings/readme.txt
new file mode 100644
index 000000000..c2df4cdc7
--- /dev/null
+++ b/os/various/lwip_bindings/readme.txt
@@ -0,0 +1,6 @@
+This directory contains the ChibiOS/RT "official" bindings with the lwIP
+TCP/IP stack: http://savannah.nongnu.org/projects/lwip
+
+In order to use lwIP within ChibiOS/RT project, unzip lwIP under
+./ext/lwip-1.4.0 then include $(CHIBIOS)/os/various/lwip_bindings/lwip.mk
+in your makefile.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-18 18:40:35 +0000