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keep more compatible with RT-Thread driver. 

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2039 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
bernard.xiong@gmail.com 2012-04-13 15:11:02 +00:00
parent 8fd4704141
commit 12b5decaa9
4 changed files with 480 additions and 378 deletions
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308
components/net/lwip/src/arch/sys_arch.c
View File

@ -6,20 +6,156 @@
#include "lwip/err.h" #include "lwip/err.h"
#include "arch/sys_arch.h" #include "arch/sys_arch.h"
#include "lwip/debug.h" #include "lwip/debug.h"
#include "lwip/netif.h"
#include "lwip/tcpip.h"
#include "netif/ethernetif.h"
#include <string.h> #include <string.h>
#define LWIP_THREAD_MAGIC 0x1919 /* introduce from kservice.c */
#define rt_list_entry(node, type, member) \
((type *)((char *)(node) - (unsigned long)(&((type *)0)->member)))
static err_t netif_device_init(struct netif *netif)
{
struct eth_device *ethif;
ethif = (struct eth_device*)netif->state;
if (ethif != RT_NULL)
{
rt_device_t device;
/* get device object */
device = (rt_device_t) ethif;
if (rt_device_init(device) != RT_EOK)
{
return ERR_IF;
}
/* copy device flags to netif flags */
netif->flags = ethif->flags;
return ERR_OK;
}
return ERR_IF;
}
static void tcpip_init_done_callback(void *arg)
{
rt_device_t device;
struct eth_device *ethif;
struct ip_addr ipaddr, netmask, gw;
struct rt_list_node* node;
struct rt_object* object;
struct rt_object_information *information;
extern struct rt_object_information rt_object_container[];
LWIP_ASSERT("invalid arg.\n",arg);
IP4_ADDR(&gw, 0,0,0,0);
IP4_ADDR(&ipaddr, 0,0,0,0);
IP4_ADDR(&netmask, 0,0,0,0);
/* enter critical */
rt_enter_critical();
/* for each network interfaces */
information = &rt_object_container[RT_Object_Class_Device];
for (node = information->object_list.next; node != &(information->object_list); node = node->next)
{
object = rt_list_entry(node, struct rt_object, list);
device = (rt_device_t) object;
if (device->type == RT_Device_Class_NetIf)
{
ethif = (struct eth_device*)device;
/* leave critical */
rt_exit_critical();
netif_add(ethif->netif, &ipaddr, &netmask, &gw,
ethif, netif_device_init, tcpip_input);
if (netif_default == RT_NULL)
netif_set_default(ethif->netif);
#if LWIP_DHCP
if (ethif->flags & NETIF_FLAG_DHCP)
{
/* if this interface uses DHCP, start the DHCP client */
dhcp_start(ethif->netif);
}
else
#endif
{
/* set interface up */
netif_set_up(ethif->netif);
}
#ifdef LWIP_NETIF_LINK_CALLBACK
netif_set_link_up(ethif->netif);
#endif
/* enter critical */
rt_enter_critical();
}
}
/* leave critical */
rt_exit_critical();
rt_sem_release((rt_sem_t)arg);
}
/**
* LwIP system initialization
*/
void lwip_system_init(void)
{
rt_err_t rc;
struct rt_semaphore done_sem;
rc = rt_sem_init(&done_sem, "done", 0, RT_IPC_FLAG_FIFO);
if(rc != RT_EOK)
{
LWIP_ASSERT("Failed to create semaphore", 0);
return;
}
tcpip_init(tcpip_init_done_callback,(void *)&done_sem);
/* waiting for initialization done */
if (rt_sem_take(&done_sem, RT_WAITING_FOREVER) != RT_EOK)
{
rt_sem_detach(&done_sem);
return;
}
rt_sem_detach(&done_sem);
/* set default ip address */
#if !LWIP_DHCP
{
struct ip_addr ipaddr, netmask, gw;
IP4_ADDR(&ipaddr, RT_LWIP_IPADDR0, RT_LWIP_IPADDR1, RT_LWIP_IPADDR2, RT_LWIP_IPADDR3);
IP4_ADDR(&gw, RT_LWIP_GWADDR0, RT_LWIP_GWADDR1, RT_LWIP_GWADDR2, RT_LWIP_GWADDR3);
IP4_ADDR(&netmask, RT_LWIP_MSKADDR0, RT_LWIP_MSKADDR1, RT_LWIP_MSKADDR2, RT_LWIP_MSKADDR3);
netifapi_netif_set_addr(netif_default, &ipaddr, &netmask, &gw);
}
#endif
}
void sys_init(void) void sys_init(void)
{ {
/* nothing to do in RT-Thread */ /* nothing on RT-Thread porting */
return;
} }
/* ====================== Semaphore ====================== */ void lwip_sys_init(void)
{
lwip_system_init();
}
err_t sys_sem_new(sys_sem_t *sem, u8_t count) err_t sys_sem_new(sys_sem_t *sem, u8_t count)
{ {
@ -30,16 +166,6 @@ err_t sys_sem_new(sys_sem_t *sem, u8_t count)
RT_DEBUG_NOT_IN_INTERRUPT; RT_DEBUG_NOT_IN_INTERRUPT;
rt_snprintf(tname, RT_NAME_MAX, "%s%d", SYS_LWIP_SEM_NAME, counter); rt_snprintf(tname, RT_NAME_MAX, "%s%d", SYS_LWIP_SEM_NAME, counter);
#if SYS_DEBUG
{
struct rt_thread *thread;
thread = rt_thread_self();
LWIP_DEBUGF(SYS_DEBUG, ("%s, Create sem: %s \n",thread->name, tname));
}
#endif
counter++; counter++;
tmpsem = rt_sem_create(tname, count, RT_IPC_FLAG_FIFO); tmpsem = rt_sem_create(tname, count, RT_IPC_FLAG_FIFO);
@ -56,36 +182,13 @@ err_t sys_sem_new(sys_sem_t *sem, u8_t count)
void sys_sem_free(sys_sem_t *sem) void sys_sem_free(sys_sem_t *sem)
{ {
RT_DEBUG_NOT_IN_INTERRUPT; RT_DEBUG_NOT_IN_INTERRUPT;
#if SYS_DEBUG
{
struct rt_thread *thread;
thread = rt_thread_self();
LWIP_DEBUGF(SYS_DEBUG, ("%s, Delete sem: %s \n",thread->name,
(*sem)->parent.parent.name));
}
#endif
rt_sem_delete(*sem); rt_sem_delete(*sem);
} }
void sys_sem_signal(sys_sem_t *sem) void sys_sem_signal(sys_sem_t *sem)
{ {
#if SYS_DEBUG
{
struct rt_thread *thread;
thread = rt_thread_self();
LWIP_DEBUGF(SYS_DEBUG, ("%s, Release signal: %s , %d\n",thread->name,
(*sem)->parent.parent.name, (*sem)->value));
}
#endif
rt_sem_release(*sem); rt_sem_release(*sem);
} }
u32_t sys_arch_sem_wait(sys_sem_t *sem, u32_t timeout) u32_t sys_arch_sem_wait(sys_sem_t *sem, u32_t timeout)
@ -98,21 +201,10 @@ u32_t sys_arch_sem_wait(sys_sem_t *sem, u32_t timeout)
/* get the begin tick */ /* get the begin tick */
tick = rt_tick_get(); tick = rt_tick_get();
#if SYS_DEBUG if(timeout == 0) t = RT_WAITING_FOREVER;
{
struct rt_thread *thread;
thread = rt_thread_self();
LWIP_DEBUGF(SYS_DEBUG, ("%s, Wait sem: %s , %d\n",thread->name,
(*sem)->parent.parent.name, (*sem)->value));
}
#endif
if(timeout == 0)
t = RT_WAITING_FOREVER;
else else
{ {
/* convirt msecond to os tick */ /* convert msecond to os tick */
if (timeout < (1000/RT_TICK_PER_SECOND)) if (timeout < (1000/RT_TICK_PER_SECOND))
t = 1; t = 1;
else else
@ -141,7 +233,7 @@ u32_t sys_arch_sem_wait(sys_sem_t *sem, u32_t timeout)
} }
#ifndef sys_sem_valid #ifndef sys_sem_valid
/** Check if a sempahore is valid/allocated: return 1 for valid, 0 for invalid */ /** Check if a semaphore is valid/allocated: return 1 for valid, 0 for invalid */
int sys_sem_valid(sys_sem_t *sem) int sys_sem_valid(sys_sem_t *sem)
{ {
return (int)(*sem); return (int)(*sem);
@ -170,16 +262,6 @@ err_t sys_mutex_new(sys_mutex_t *mutex)
RT_DEBUG_NOT_IN_INTERRUPT; RT_DEBUG_NOT_IN_INTERRUPT;
rt_snprintf(tname, RT_NAME_MAX, "%s%d", SYS_LWIP_MUTEX_NAME, counter); rt_snprintf(tname, RT_NAME_MAX, "%s%d", SYS_LWIP_MUTEX_NAME, counter);
#if SYS_DEBUG
{
struct rt_thread *thread;
thread = rt_thread_self();
LWIP_DEBUGF(SYS_DEBUG, ("%s, Create mutex: %s \n",thread->name, tname));
}
#endif
counter++; counter++;
tmpmutex = rt_mutex_create(tname, RT_IPC_FLAG_FIFO); tmpmutex = rt_mutex_create(tname, RT_IPC_FLAG_FIFO);
@ -196,19 +278,7 @@ err_t sys_mutex_new(sys_mutex_t *mutex)
* @param mutex the mutex to lock */ * @param mutex the mutex to lock */
void sys_mutex_lock(sys_mutex_t *mutex) void sys_mutex_lock(sys_mutex_t *mutex)
{ {
RT_DEBUG_NOT_IN_INTERRUPT; RT_DEBUG_NOT_IN_INTERRUPT;
#if SYS_DEBUG
{
struct rt_thread *thread;
thread = rt_thread_self();
LWIP_DEBUGF(SYS_DEBUG, ("%s, Wait mutex: %s , %d\n",thread->name,
(*mutex)->parent.parent.name, (*mutex)->value));
}
#endif
rt_mutex_take(*mutex, RT_WAITING_FOREVER); rt_mutex_take(*mutex, RT_WAITING_FOREVER);
return; return;
@ -219,16 +289,6 @@ void sys_mutex_lock(sys_mutex_t *mutex)
* @param mutex the mutex to unlock */ * @param mutex the mutex to unlock */
void sys_mutex_unlock(sys_mutex_t *mutex) void sys_mutex_unlock(sys_mutex_t *mutex)
{ {
#if SYS_DEBUG
{
struct rt_thread *thread;
thread = rt_thread_self();
LWIP_DEBUGF(SYS_DEBUG, ("%s, Release signal: %s , %d\n",thread->name,
(*mutex)->parent.parent.name, (*mutex)->value));
}
#endif
rt_mutex_release(*mutex); rt_mutex_release(*mutex);
} }
@ -238,16 +298,6 @@ void sys_mutex_free(sys_mutex_t *mutex)
{ {
RT_DEBUG_NOT_IN_INTERRUPT; RT_DEBUG_NOT_IN_INTERRUPT;
#if SYS_DEBUG
{
struct rt_thread *thread;
thread = rt_thread_self();
LWIP_DEBUGF(SYS_DEBUG, ("%s, Delete sem: %s \n",thread->name,
(*mutex)->parent.parent.name));
}
#endif
rt_mutex_delete(*mutex); rt_mutex_delete(*mutex);
} }
@ -278,15 +328,6 @@ err_t sys_mbox_new(sys_mbox_t *mbox, int size)
RT_DEBUG_NOT_IN_INTERRUPT; RT_DEBUG_NOT_IN_INTERRUPT;
rt_snprintf(tname, RT_NAME_MAX, "%s%d", SYS_LWIP_MBOX_NAME, counter); rt_snprintf(tname, RT_NAME_MAX, "%s%d", SYS_LWIP_MBOX_NAME, counter);
#if SYS_DEBUG
{
struct rt_thread *thread;
thread = rt_thread_self();
LWIP_DEBUGF(SYS_DEBUG, ("%s, Create mbox: %s \n",thread->name, tname));
}
#endif
counter++; counter++;
tmpmbox = rt_mb_create(tname, size, RT_IPC_FLAG_FIFO); tmpmbox = rt_mb_create(tname, size, RT_IPC_FLAG_FIFO);
@ -295,25 +336,14 @@ err_t sys_mbox_new(sys_mbox_t *mbox, int size)
*mbox = tmpmbox; *mbox = tmpmbox;
return ERR_OK; return ERR_OK;
} }
else
return ERR_MEM;
return ERR_MEM;
} }
void sys_mbox_free(sys_mbox_t *mbox) void sys_mbox_free(sys_mbox_t *mbox)
{ {
RT_DEBUG_NOT_IN_INTERRUPT; RT_DEBUG_NOT_IN_INTERRUPT;
#if SYS_DEBUG
{
struct rt_thread *thread;
thread = rt_thread_self();
LWIP_DEBUGF(SYS_DEBUG, ("%s, Delete mbox: %s\n",thread->name,
(*mbox)->parent.parent.name));
}
#endif
rt_mb_delete(*mbox); rt_mb_delete(*mbox);
return; return;
@ -327,16 +357,6 @@ void sys_mbox_post(sys_mbox_t *mbox, void *msg)
{ {
RT_DEBUG_NOT_IN_INTERRUPT; RT_DEBUG_NOT_IN_INTERRUPT;
#if SYS_DEBUG
{
struct rt_thread *thread;
thread = rt_thread_self();
LWIP_DEBUGF(SYS_DEBUG, ("%s, Post mail: %s ,0x%x\n",thread->name,
(*mbox)->parent.parent.name, (rt_uint32_t)msg));
}
#endif
rt_mb_send_wait(*mbox, (rt_uint32_t)msg,RT_WAITING_FOREVER); rt_mb_send_wait(*mbox, (rt_uint32_t)msg,RT_WAITING_FOREVER);
return; return;
@ -344,16 +364,6 @@ void sys_mbox_post(sys_mbox_t *mbox, void *msg)
err_t sys_mbox_trypost(sys_mbox_t *mbox, void *msg) err_t sys_mbox_trypost(sys_mbox_t *mbox, void *msg)
{ {
#if SYS_DEBUG
{
struct rt_thread *thread;
thread = rt_thread_self();
LWIP_DEBUGF(SYS_DEBUG, ("%s, Post mail: %s ,0x%x\n",thread->name,
(*mbox)->parent.parent.name, (rt_uint32_t)msg));
}
#endif
if (rt_mb_send(*mbox, (rt_uint32_t)msg) == RT_EOK) if (rt_mb_send(*mbox, (rt_uint32_t)msg) == RT_EOK)
return ERR_OK; return ERR_OK;
@ -398,16 +408,6 @@ u32_t sys_arch_mbox_fetch(sys_mbox_t *mbox, void **msg, u32_t timeout)
LWIP_ASSERT("rt_mb_recv returned with error!", ret == RT_EOK); LWIP_ASSERT("rt_mb_recv returned with error!", ret == RT_EOK);
} }
#if SYS_DEBUG
{
struct rt_thread *thread;
thread = rt_thread_self();
LWIP_DEBUGF(SYS_DEBUG, ("%s, Fetch mail: %s , 0x%x\n",thread->name,
(*mbox)->parent.parent.name, *(rt_uint32_t **)msg));
}
#endif
/* get elapse msecond */ /* get elapse msecond */
tick = rt_tick_get() - tick; tick = rt_tick_get() - tick;
@ -439,16 +439,6 @@ u32_t sys_arch_mbox_tryfetch(sys_mbox_t *mbox, void **msg)
ret = 1; ret = 1;
} }
#if SYS_DEBUG
{
struct rt_thread *thread;
thread = rt_thread_self();
LWIP_DEBUGF(SYS_DEBUG, ("%s, Fetch mail: %s , 0x%x\n",thread->name,
(*mbox)->parent.parent.name, *(rt_uint32_t **)msg));
}
#endif
return ret; return ret;
} }
@ -494,18 +484,11 @@ sys_prot_t sys_arch_protect(void)
/* disable interrupt */ /* disable interrupt */
level = rt_hw_interrupt_disable(); level = rt_hw_interrupt_disable();
/* must also lock scheduler */
rt_enter_critical();
return level; return level;
} }
void sys_arch_unprotect(sys_prot_t pval) void sys_arch_unprotect(sys_prot_t pval)
{ {
/* unlock scheduler */
rt_exit_critical();
/* enable interrupt */ /* enable interrupt */
rt_hw_interrupt_enable(pval); rt_hw_interrupt_enable(pval);
@ -518,4 +501,3 @@ void sys_arch_assert(const char* file, int line)
rt_thread_self()->name); rt_thread_self()->name);
RT_ASSERT(0); RT_ASSERT(0);
} }

14
components/net/lwip/src/include/netif/ethernetif.h
View File

@ -7,21 +7,29 @@
#define NIOCTL_GADDR 0x01 #define NIOCTL_GADDR 0x01
#define ETHERNET_MTU 1500 #define ETHERNET_MTU 1500
struct eth_device struct eth_device
{ {
/* inherit from rt_device */ /* inherit from rt_device */
struct rt_device parent; struct rt_device parent;
/* network interface for lwip */
struct netif *netif; struct netif *netif;
struct rt_semaphore tx_ack;
rt_uint8_t flags;
rt_uint8_t link_changed;
rt_uint16_t link_status;
/* eth device interface */ /* eth device interface */
struct pbuf* (*eth_rx)(rt_device_t dev); struct pbuf* (*eth_rx)(rt_device_t dev);
rt_err_t (*eth_tx)(rt_device_t dev, struct pbuf* p); rt_err_t (*eth_tx)(rt_device_t dev, struct pbuf* p);
}; };
rt_err_t eth_rx_ready(struct eth_device *dev); rt_err_t eth_device_ready(struct eth_device* dev);
rt_err_t eth_device_init(struct eth_device * dev, char *name);
rt_err_t eth_device_init_with_flag(struct eth_device *dev, char *name, rt_uint8_t flag);
rt_err_t eth_device_linkchange(struct eth_device* dev, rt_bool_t up);
void eth_system_device_init(void);
#endif /* __NETIF_ETHERNETIF_H__ */ #endif /* __NETIF_ETHERNETIF_H__ */

24
components/net/lwip/src/lwipopts.h
View File

@ -3,9 +3,7 @@
#include <rtconfig.h> #include <rtconfig.h>
#if defined(RT_USING_NEWLIB) || defined(RT_USING_MINILIBC)
#define ERRNO 1 #define ERRNO 1
#endif
#define NO_SYS 0 #define NO_SYS 0
#define LWIP_SOCKET 1 #define LWIP_SOCKET 1
@ -35,7 +33,7 @@
#define LWIP_DNS 0 #define LWIP_DNS 0
#endif #endif
#define LWIP_HAVE_LOOPIF 1 #define LWIP_HAVE_LOOPIF 0
#define LWIP_PLATFORM_BYTESWAP 0 #define LWIP_PLATFORM_BYTESWAP 0
#define BYTE_ORDER LITTLE_ENDIAN #define BYTE_ORDER LITTLE_ENDIAN
@ -100,7 +98,7 @@
/* MEMP_NUM_PBUF: the number of memp struct pbufs. If the application /* MEMP_NUM_PBUF: the number of memp struct pbufs. If the application
sends a lot of data out of ROM (or other static memory), this sends a lot of data out of ROM (or other static memory), this
should be set high. */ should be set high. */
#define MEMP_NUM_PBUF 32 #define MEMP_NUM_PBUF 16
/* the number of UDP protocol control blocks. One per active RAW "connection". */ /* the number of UDP protocol control blocks. One per active RAW "connection". */
#ifdef RT_LWIP_RAW_PCB_NUM #ifdef RT_LWIP_RAW_PCB_NUM
@ -124,14 +122,14 @@
/* MEMP_NUM_SYS_TIMEOUT: the number of simulateously active /* MEMP_NUM_SYS_TIMEOUT: the number of simulateously active
timeouts. */ timeouts. */
#define MEMP_NUM_SYS_TIMEOUT 8 #define MEMP_NUM_SYS_TIMEOUT 3
/* The following four are used only with the sequential API and can be /* The following four are used only with the sequential API and can be
set to 0 if the application only will use the raw API. */ set to 0 if the application only will use the raw API. */
/* MEMP_NUM_NETBUF: the number of struct netbufs. */ /* MEMP_NUM_NETBUF: the number of struct netbufs. */
#define MEMP_NUM_NETBUF 2 #define MEMP_NUM_NETBUF 2
/* MEMP_NUM_NETCONN: the number of struct netconns. */ /* MEMP_NUM_NETCONN: the number of struct netconns. */
#define MEMP_NUM_NETCONN 10 #define MEMP_NUM_NETCONN 4
/* MEMP_NUM_TCPIP_MSG_*: the number of struct tcpip_msg, which is used /* MEMP_NUM_TCPIP_MSG_*: the number of struct tcpip_msg, which is used
for sequential API communication and incoming packets. Used in for sequential API communication and incoming packets. Used in
src/api/tcpip.c. */ src/api/tcpip.c. */
@ -176,13 +174,13 @@
#define TCP_QUEUE_OOSEQ 1 #define TCP_QUEUE_OOSEQ 1
/* TCP Maximum segment size. */ /* TCP Maximum segment size. */
#define TCP_MSS 1024 #define TCP_MSS 1460
/* TCP sender buffer space (bytes). */ /* TCP sender buffer space (bytes). */
#ifdef RT_LWIP_TCP_SND_BUF #ifdef RT_LWIP_TCP_SND_BUF
#define TCP_SND_BUF RT_LWIP_TCP_SND_BUF #define TCP_SND_BUF RT_LWIP_TCP_SND_BUF
#else #else
#define TCP_SND_BUF 2048 #define TCP_SND_BUF (TCP_MSS * 2)
#endif #endif
/* TCP sender buffer space (pbufs). This must be at least = 2 * /* TCP sender buffer space (pbufs). This must be at least = 2 *
@ -198,7 +196,7 @@
#ifdef RT_LWIP_TCP_WND #ifdef RT_LWIP_TCP_WND
#define TCP_WND RT_LWIP_TCP_WND #define TCP_WND RT_LWIP_TCP_WND
#else #else
#define TCP_WND 1500 #define TCP_WND (TCP_MSS * 2)
#endif #endif
/* Maximum number of retransmissions of data segments. */ /* Maximum number of retransmissions of data segments. */
@ -233,10 +231,10 @@
/* IP reassembly and segmentation.These are orthogonal even /* IP reassembly and segmentation.These are orthogonal even
* if they both deal with IP fragments */ * if they both deal with IP fragments */
#define IP_REASSEMBLY 1 #define IP_REASSEMBLY 0
#define IP_REASS_MAX_PBUFS 10 #define IP_REASS_MAX_PBUFS 10
#define MEMP_NUM_REASSDATA 10 #define MEMP_NUM_REASSDATA 10
#define IP_FRAG 1 #define IP_FRAG 0
/* ---------- ICMP options ---------- */ /* ---------- ICMP options ---------- */
#define ICMP_TTL 255 #define ICMP_TTL 255
@ -265,7 +263,7 @@
#define LWIP_UDP 0 #define LWIP_UDP 0
#endif #endif
#define LWIP_UDPLITE 1 #define LWIP_UDPLITE 0
#define UDP_TTL 255 #define UDP_TTL 255
#define DEFAULT_UDP_RECVMBOX_SIZE 1 #define DEFAULT_UDP_RECVMBOX_SIZE 1
@ -324,6 +322,6 @@
/* no read/write/close for socket */ /* no read/write/close for socket */
#define LWIP_POSIX_SOCKETS_IO_NAMES 0 #define LWIP_POSIX_SOCKETS_IO_NAMES 0
#define LWIP_NETIF_API 1
#endif /* __LWIPOPTS_H__ */ #endif /* __LWIPOPTS_H__ */

466
components/net/lwip/src/netif/ethernetif.c
View File

@ -10,6 +10,8 @@
* Change Logs: * Change Logs:
* Date Author Notes * Date Author Notes
* 2010-07-07 Bernard fix send mail to mailbox issue. * 2010-07-07 Bernard fix send mail to mailbox issue.
* 2011-07-30 mbbill port lwIP 1.4.0 to RT-Thread
* 2012-04-10 Bernard add more compatible with RT-Thread.
*/ */
/* /*
@ -59,60 +61,172 @@
#include "netif/etharp.h" #include "netif/etharp.h"
#include "netif/ethernetif.h" #include "netif/ethernetif.h"
/* configurations */ #define netifapi_netif_set_link_up(n) netifapi_netif_common(n, netif_set_link_up, NULL)
#define netifapi_netif_set_link_down(n) netifapi_netif_common(n, netif_set_link_down, NULL)
/**
* Tx message structure for Ethernet interface
*/
struct eth_tx_msg
{
struct netif *netif;
struct pbuf *buf;
};
static struct rt_mailbox eth_tx_thread_mb;
static struct rt_thread eth_tx_thread;
#ifndef RT_LWIP_ETHTHREAD_PRIORITY #ifndef RT_LWIP_ETHTHREAD_PRIORITY
#define RT_LWIP_ETHTHREAD_PRIORITY 0x90 static char eth_tx_thread_mb_pool[32 * 4];
static char eth_tx_thread_stack[512];
#else
static char eth_tx_thread_mb_pool[RT_LWIP_ETHTHREAD_MBOX_SIZE * 4];
static char eth_tx_thread_stack[RT_LWIP_ETHTHREAD_STACKSIZE];
#endif #endif
#ifndef RT_LWIP_ETHTHREAD_MBOX_SIZE
#define RT_LWIP_ETHTHREAD_MBOX_SIZE 48
#endif
#ifndef RT_LWIP_ETHTHREAD_STACKSIZE
#define RT_LWIP_ETHTHREAD_STACKSIZE 1024
#endif
/* eth rx thread */
static struct rt_mailbox eth_rx_thread_mb; static struct rt_mailbox eth_rx_thread_mb;
static struct rt_thread eth_rx_thread; static struct rt_thread eth_rx_thread;
#ifndef RT_LWIP_ETHTHREAD_PRIORITY
#define RT_ETHERNETIF_THREAD_PREORITY 0x90
static char eth_rx_thread_mb_pool[48 * 4];
static char eth_rx_thread_stack[1024];
#else
#define RT_ETHERNETIF_THREAD_PREORITY RT_LWIP_ETHTHREAD_PRIORITY
static char eth_rx_thread_mb_pool[RT_LWIP_ETHTHREAD_MBOX_SIZE * 4]; static char eth_rx_thread_mb_pool[RT_LWIP_ETHTHREAD_MBOX_SIZE * 4];
static char eth_rx_thread_stack[RT_LWIP_ETHTHREAD_STACKSIZE]; static char eth_rx_thread_stack[RT_LWIP_ETHTHREAD_STACKSIZE];
#endif
static err_t ethernetif_linkoutput(struct netif *netif, struct pbuf *p)
/* Ugly hacks for old drivers compatible */
/* ===================================== */
#if 1
static struct eth_device * ptmpdev;
struct eth_device * get_eth_dev(void)
{ {
return ptmpdev; struct eth_tx_msg msg;
struct eth_device* enetif;
enetif = (struct eth_device*)netif->state;
/* send a message to eth tx thread */
msg.netif = netif;
msg.buf = p;
if (rt_mb_send(&eth_tx_thread_mb, (rt_uint32_t) &msg) == RT_EOK)
{
/* waiting for ack */
rt_sem_take(&(enetif->tx_ack), RT_WAITING_FOREVER);
}
return ERR_OK;
} }
int eth_device_init(struct eth_device * dev, char *name)
/* Keep old drivers compatible in RT-Thread */
rt_err_t eth_device_init_with_flag(struct eth_device *dev, char *name, rt_uint8_t flags)
{ {
ptmpdev = dev; struct netif* netif;
netif = (struct netif*) rt_malloc (sizeof(struct netif));
if (netif == RT_NULL)
{
rt_kprintf("malloc netif failed\n");
return -RT_ERROR;
}
rt_memset(netif, 0, sizeof(struct netif));
/* set netif */
dev->netif = netif;
/* device flags, which will be set to netif flags when initializing */
dev->flags = flags;
/* link changed status of device */
dev->link_changed = 0x00;
dev->parent.type = RT_Device_Class_NetIf; dev->parent.type = RT_Device_Class_NetIf;
rt_device_register(&(dev->parent), "eth0", RT_DEVICE_FLAG_RDWR); /* register to RT-Thread device manager */
return 0; rt_device_register(&(dev->parent), name, RT_DEVICE_FLAG_RDWR);
rt_sem_init(&(dev->tx_ack), name, 0, RT_IPC_FLAG_FIFO);
/* set name */
netif->name[0] = name[0];
netif->name[1] = name[1];
/* set hw address to 6 */
netif->hwaddr_len = 6;
/* maximum transfer unit */
netif->mtu = ETHERNET_MTU;
/* get hardware MAC address */
rt_device_control(&(dev->parent), NIOCTL_GADDR, netif->hwaddr);
/* set output */
netif->output = etharp_output;
netif->linkoutput = ethernetif_linkoutput;
return RT_EOK;
} }
void lwip_sys_init(void)
{ rt_err_t eth_device_init(struct eth_device * dev, char *name)
lwip_enetif_init();
}
void eth_system_device_init()
{ {
rt_uint8_t flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP;
#if LWIP_IGMP
/* IGMP support */
flags |= NETIF_FLAG_IGMP;
#endif
return eth_device_init_with_flag(dev, name, flags);
} }
rt_err_t eth_device_ready(struct eth_device* dev) rt_err_t eth_device_ready(struct eth_device* dev)
{ {
return eth_rx_ready(dev); if (dev->netif)
/* post message to Ethernet thread */
return rt_mb_send(&eth_rx_thread_mb, (rt_uint32_t)dev);
else
return ERR_OK; /* netif is not initialized yet, just return. */
} }
#endif
/* ===================================== */
rt_err_t eth_device_linkchange(struct eth_device* dev, rt_bool_t up)
{
rt_uint32_t level;
RT_ASSERT(dev != RT_NULL);
/* ethernet buffer */ level = rt_hw_interrupt_disable();
dev->link_changed = 0x01;
if (up == RT_TRUE)
dev->link_status = 0x01;
else
dev->link_status = 0x00;
rt_hw_interrupt_enable(level);
/* post message to ethernet thread */
return rt_mb_send(&eth_rx_thread_mb, (rt_uint32_t)dev);
}
/* Ethernet Tx Thread */
static void eth_tx_thread_entry(void* parameter)
{
struct eth_tx_msg* msg;
while (1)
{
if (rt_mb_recv(&eth_tx_thread_mb, (rt_uint32_t*)&msg, RT_WAITING_FOREVER) == RT_EOK)
{
struct eth_device* enetif;
RT_ASSERT(msg->netif != RT_NULL);
RT_ASSERT(msg->buf != RT_NULL);
enetif = (struct eth_device*)msg->netif->state;
if (enetif != RT_NULL)
{
/* call driver's interface */
if (enetif->eth_tx(&(enetif->parent), msg->buf) != RT_EOK)
{
rt_kprintf("transmit eth packet failed\n");
}
}
/* send ACK */
rt_sem_release(&(enetif->tx_ack));
}
}
}
/* Ethernet Rx Thread */
static void eth_rx_thread_entry(void* parameter) static void eth_rx_thread_entry(void* parameter)
{ {
struct eth_device* device; struct eth_device* device;
@ -123,6 +237,23 @@ static void eth_rx_thread_entry(void* parameter)
{ {
struct pbuf *p; struct pbuf *p;
/* check link status */
if (device->link_changed)
{
int status;
rt_uint32_t level;
level = rt_hw_interrupt_disable();
status = device->link_status;
device->link_changed = 0x00;
rt_hw_interrupt_enable(level);
if (status)
netifapi_netif_set_link_up(device->netif);
else
netifapi_netif_set_link_down(device->netif);
}
/* receive all of buffer */ /* receive all of buffer */
while (1) while (1)
{ {
@ -147,25 +278,12 @@ static void eth_rx_thread_entry(void* parameter)
} }
} }
void eth_system_device_init()
static err_t enetif_linkoutput(struct netif *pnetif, struct pbuf *p)
{
struct eth_device *dev;
dev = (struct eth_device *)(pnetif->state);
return dev->eth_tx(&(dev->parent), p);
}
static err_t enetif_init(struct netif *pnetif)
{ {
rt_err_t result = RT_EOK; rt_err_t result = RT_EOK;
struct eth_device *dev;
rt_uint32_t level;
/* init rx thread. /* initialize Rx thread.
* init mailbox and create ethernet thread */ * initialize mailbox and create Ethernet Rx thread */
result = rt_mb_init(&eth_rx_thread_mb, "erxmb", result = rt_mb_init(&eth_rx_thread_mb, "erxmb",
&eth_rx_thread_mb_pool[0], sizeof(eth_rx_thread_mb_pool)/4, &eth_rx_thread_mb_pool[0], sizeof(eth_rx_thread_mb_pool)/4,
RT_IPC_FLAG_FIFO); RT_IPC_FLAG_FIFO);
@ -175,146 +293,70 @@ static err_t enetif_init(struct netif *pnetif)
&eth_rx_thread_stack[0], sizeof(eth_rx_thread_stack), &eth_rx_thread_stack[0], sizeof(eth_rx_thread_stack),
RT_LWIP_ETHTHREAD_PRIORITY, 16); RT_LWIP_ETHTHREAD_PRIORITY, 16);
RT_ASSERT(result == RT_EOK); RT_ASSERT(result == RT_EOK);
result = rt_thread_startup(&eth_rx_thread); result = rt_thread_startup(&eth_rx_thread);
RT_ASSERT(result == RT_EOK); RT_ASSERT(result == RT_EOK);
/* initialize Tx thread */
/* initialize mailbox and create Ethernet Tx thread */
result = rt_mb_init(&eth_tx_thread_mb, "etxmb",
&eth_tx_thread_mb_pool[0], sizeof(eth_tx_thread_mb_pool)/4,
RT_IPC_FLAG_FIFO);
RT_ASSERT(result == RT_EOK);
dev = (struct eth_device *)(pnetif->state); result = rt_thread_init(&eth_tx_thread, "etx", eth_tx_thread_entry, RT_NULL,
&eth_tx_thread_stack[0], sizeof(eth_tx_thread_stack),
RT_ETHERNETIF_THREAD_PREORITY, 16);
RT_ASSERT(result == RT_EOK);
pnetif->name[0] = dev->parent.parent.name[0]; result = rt_thread_startup(&eth_tx_thread);
pnetif->name[1] = dev->parent.parent.name[1]; RT_ASSERT(result == RT_EOK);
pnetif->hwaddr_len = 6;
pnetif->mtu = ETHERNET_MTU;
pnetif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP;
#ifdef LWIP_IGMP
pnetif->flags |= NETIF_FLAG_IGMP;
#endif
#ifdef LWIP_DHCP
pnetif->flags |= NETIF_FLAG_DHCP;
#endif
/* get hardware address */
rt_device_control(&(dev->parent), NIOCTL_GADDR, pnetif->hwaddr);
/* set output */
pnetif->output = etharp_output;
pnetif->linkoutput = enetif_linkoutput;
/* finally, we connect netif and device together.
* We initialized eth_device first, but ethernetif is still not ready.
* Although we checked if dev->netif is null but we still must avoid
* concurrency problem here.*/
level = rt_hw_interrupt_disable();
dev->netif = pnetif;
rt_hw_interrupt_enable(level);
return ERR_OK;
} }
rt_err_t eth_rx_ready(struct eth_device* dev)
{
if (dev->netif)
/* post message to ethernet thread */
return rt_mb_send(&eth_rx_thread_mb, (rt_uint32_t)dev);
else
return ERR_OK; /* netif is not initialized yet, just return. */
}
/* Functions below shouldn't be here because they are application or usage related.
* I just give an example of a right power-on procedure here. */
static struct netif ethernetif;
extern struct eth_device * get_eth_dev(void);
/* This function is called-back in tcpip thread, so we don't need to use msg api
* to call those netif_xxx functions. But if we use these anywhere else, we must
* use msg api to avoid concurrent problem.
*/
static void tcpip_init_done_callback(void *arg)
{
ip_addr_t ipaddr, netmask, gw;
LWIP_ASSERT("invalid arg.\n",arg);
#if LWIP_DHCP
IP4_ADDR(&gw, 0,0,0,0);
IP4_ADDR(&ipaddr, 0,0,0,0);
IP4_ADDR(&netmask, 0,0,0,0);
#else
IP4_ADDR(&ipaddr, RT_LWIP_IPADDR0, RT_LWIP_IPADDR1, RT_LWIP_IPADDR2, RT_LWIP_IPADDR3);
IP4_ADDR(&gw, RT_LWIP_GWADDR0, RT_LWIP_GWADDR1, RT_LWIP_GWADDR2, RT_LWIP_GWADDR3);
IP4_ADDR(&netmask, RT_LWIP_MSKADDR0, RT_LWIP_MSKADDR1, RT_LWIP_MSKADDR2, RT_LWIP_MSKADDR3);
#endif
netif_add(&ethernetif, &ipaddr, &netmask, &gw,
get_eth_dev(), enetif_init, tcpip_input);
netif_set_default(&ethernetif);
#if LWIP_DHCP
dhcp_start(&ethernetif);
#else
netif_set_up(&ethernetif);
#endif
netif_set_link_up(&ethernetif);
sys_sem_signal((sys_sem_t*)(&arg));
}
/* Make sure the 'dev' has already been initialized before calling this function.
* This function will initialize the lwip tcpip stack as well as the ethernetif.
* It will assign the dev->netif and netif->state field to make a connection between
* eth driver and ethnetif.
*/
void lwip_enetif_init(void)
{
sys_sem_t init_done_sem;
if(sys_sem_new(&init_done_sem, 0) != ERR_OK)
{
LWIP_ASSERT("Failed to create semaphore", 0);
return;
}
tcpip_init(tcpip_init_done_callback,(void *)init_done_sem);
sys_sem_wait(&init_done_sem);
rt_kprintf("TCP/IP initialized.\n");
sys_sem_free(&init_done_sem);
}
#if 0
#ifdef RT_USING_FINSH #ifdef RT_USING_FINSH
#include <finsh.h> #include <finsh.h>
#include "ipv4/lwip/inet.h" void set_if(char* netif_name, char* ip_addr, char* gw_addr, char* nm_addr)
void set_if(char* ip_addr, char* gw_addr, char* nm_addr)
{ {
struct ip_addr *ip; struct ip_addr *ip;
struct in_addr addr; struct ip_addr addr;
struct netif * netif = netif_list;
if(strlen(netif_name) > sizeof(netif->name))
{
rt_kprintf("network interface name too long!\r\n");
return;
}
while(netif != RT_NULL)
{
if(strncmp(netif_name, netif->name, sizeof(netif->name)) == 0)
break;
netif = netif->next;
if( netif == RT_NULL )
{
rt_kprintf("network interface: %s not found!\r\n", netif_name);
return;
}
}
ip = (struct ip_addr *)&addr; ip = (struct ip_addr *)&addr;
/* set ip address */ /* set ip address */
if ((ip_addr != RT_NULL) && inet_aton(ip_addr, &addr)) if ((ip_addr != RT_NULL) && ipaddr_aton(ip_addr, &addr))
{ {
netif_set_ipaddr(netif_default, ip); netif_set_ipaddr(netif, ip);
} }
/* set gateway address */ /* set gateway address */
if ((gw_addr != RT_NULL) && inet_aton(gw_addr, &addr)) if ((gw_addr != RT_NULL) && ipaddr_aton(gw_addr, &addr))
{ {
netif_set_gw(netif_default, ip); netif_set_gw(netif, ip);
} }
/* set netmask address */ /* set netmask address */
if ((nm_addr != RT_NULL) && inet_aton(nm_addr, &addr)) if ((nm_addr != RT_NULL) && ipaddr_aton(nm_addr, &addr))
{ {
netif_set_netmask(netif_default, ip); netif_set_netmask(netif, ip);
} }
} }
FINSH_FUNCTION_EXPORT(set_if, set network interface address); FINSH_FUNCTION_EXPORT(set_if, set network interface address);
@ -323,32 +365,104 @@ FINSH_FUNCTION_EXPORT(set_if, set network interface address);
#include <lwip/dns.h> #include <lwip/dns.h>
void set_dns(char* dns_server) void set_dns(char* dns_server)
{ {
struct in_addr addr; struct ip_addr addr;
if ((dns_server != RT_NULL) && inet_aton(dns_server, &addr)) if ((dns_server != RT_NULL) && ipaddr_aton(dns_server, &addr))
{ {
dns_setserver(0, (struct ip_addr *)&addr); dns_setserver(0, &addr);
} }
} }
FINSH_FUNCTION_EXPORT(set_dns, set DNS server address); FINSH_FUNCTION_EXPORT(set_dns, set DNS server address);
#endif #endif
void list_if() void list_if(void)
{ {
rt_kprintf("Default network interface: %c%c\n", netif_default->name[0], netif_default->name[1]); rt_ubase_t index;
rt_kprintf("ip address: %s\n", inet_ntoa(*((struct in_addr*)&(netif_default->ip_addr)))); struct netif * netif;
rt_kprintf("gw address: %s\n", inet_ntoa(*((struct in_addr*)&(netif_default->gw))));
rt_kprintf("net mask : %s\n", inet_ntoa(*((struct in_addr*)&(netif_default->netmask)))); netif = netif_list;
while( netif != RT_NULL )
{
rt_kprintf("network interface: %c%c%s\n", netif->name[0], netif->name[1], (netif == netif_default)?" (Default)":"");
rt_kprintf("MTU: %d\n", netif->mtu);
rt_kprintf("MAC: ");
for (index = 0; index < netif->hwaddr_len; index ++)
rt_kprintf("%02x ", netif->hwaddr[index]);
rt_kprintf("\nFLAGS:");
if (netif->flags & NETIF_FLAG_UP) rt_kprintf(" UP");
else rt_kprintf(" DOWN");
if (netif->flags & NETIF_FLAG_LINK_UP) rt_kprintf(" LINK_UP");
else rt_kprintf(" LINK_DOWN");
if (netif->flags & NETIF_FLAG_DHCP) rt_kprintf(" DHCP");
if (netif->flags & NETIF_FLAG_POINTTOPOINT) rt_kprintf(" PPP");
if (netif->flags & NETIF_FLAG_ETHARP) rt_kprintf(" ETHARP");
if (netif->flags & NETIF_FLAG_IGMP) rt_kprintf(" IGMP");
rt_kprintf("\n");
rt_kprintf("ip address: %s\n", ipaddr_ntoa(&(netif->ip_addr)));
rt_kprintf("gw address: %s\n", ipaddr_ntoa(&(netif->gw)));
rt_kprintf("net mask : %s\n", ipaddr_ntoa(&(netif->netmask)));
rt_kprintf("\r\n");
netif = netif->next;
}
#if LWIP_DNS #if LWIP_DNS
{ {
struct ip_addr ip_addr; struct ip_addr ip_addr;
ip_addr = dns_getserver(0); for(index=0; index<DNS_MAX_SERVERS; index++)
rt_kprintf("dns server: %s\n", inet_ntoa(*((struct in_addr*)&(ip_addr)))); {
ip_addr = dns_getserver(index);
rt_kprintf("dns server #%d: %s\n", index, ipaddr_ntoa(&(ip_addr)));
} }
#endif }
#endif /**< #if LWIP_DNS */
} }
FINSH_FUNCTION_EXPORT(list_if, list network interface information); FINSH_FUNCTION_EXPORT(list_if, list network interface information);
#if LWIP_TCP
#include <lwip/tcp.h>
#include <lwip/tcp_impl.h>
void list_tcps()
{
struct tcp_pcb *pcb;
extern struct tcp_pcb *tcp_active_pcbs;
extern union tcp_listen_pcbs_t tcp_listen_pcbs;
extern struct tcp_pcb *tcp_tw_pcbs;
extern const char *tcp_state_str[];
rt_enter_critical();
rt_kprintf("Active PCB states:\n");
for(pcb = tcp_active_pcbs; pcb != NULL; pcb = pcb->next)
{
rt_kprintf("%s:%d <==> %s:%d snd_nxt %d rcv_nxt %d ",
ipaddr_ntoa(&(pcb->local_ip)), pcb->local_port,
ipaddr_ntoa(&(pcb->remote_ip)), pcb->remote_port,
pcb->snd_nxt, pcb->rcv_nxt);
rt_kprintf("state: %s\n", tcp_state_str[pcb->state]);
}
rt_kprintf("Listen PCB states:\n");
for(pcb = (struct tcp_pcb *)tcp_listen_pcbs.pcbs; pcb != NULL; pcb = pcb->next)
{
rt_kprintf("local port %d ", pcb->local_port);
rt_kprintf("state: %s\n", tcp_state_str[pcb->state]);
}
rt_kprintf("TIME-WAIT PCB states:\n");
for(pcb = tcp_tw_pcbs; pcb != NULL; pcb = pcb->next)
{
rt_kprintf("%s:%d <==> %s:%d snd_nxt %d rcv_nxt %d ",
ipaddr_ntoa(&(pcb->local_ip)), pcb->local_port,
ipaddr_ntoa(&(pcb->remote_ip)), pcb->remote_port,
pcb->snd_nxt, pcb->rcv_nxt);
rt_kprintf("state: %s\n", tcp_state_str[pcb->state]);
}
rt_exit_critical();
}
FINSH_FUNCTION_EXPORT(list_tcps, list all of tcp connections);
#endif #endif
#endif #endif