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Fixd a bug in ethernetif 

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1468 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
mbbill@gmail.com 2011-06-08 16:37:10 +00:00
parent 4e5e1f8f55
commit 6a34056233
2 changed files with 56 additions and 23 deletions
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75
components/net/lwip-1.4.0/src/arch/sys_arch.c
View File

@ -107,21 +107,29 @@ u32_t sys_arch_sem_wait(sys_sem_t *sem, u32_t timeout)
else
{
/* convirt msecond to os tick */
if (timeout < (1000/RT_TICK_PER_SECOND)) t = 1;
else t = timeout / (1000/RT_TICK_PER_SECOND);
if (timeout < (1000/RT_TICK_PER_SECOND))
t = 1;
else
t = timeout / (1000/RT_TICK_PER_SECOND);
}
ret = rt_sem_take(*sem, t);
if (ret == -RT_ETIMEOUT) return SYS_ARCH_TIMEOUT;
else if (ret == RT_EOK) ret = 1;
if (ret == -RT_ETIMEOUT)
return SYS_ARCH_TIMEOUT;
else
{
if (ret == RT_EOK)
ret = 1;
}
/* get elapse msecond */
tick = rt_tick_get() - tick;
/* convert tick to msecond */
tick = tick * (1000/RT_TICK_PER_SECOND);
if (tick == 0) tick = 1;
if (tick == 0)
tick = 1;
return tick;
}
@ -296,6 +304,10 @@ void sys_mbox_free(sys_mbox_t *mbox)
return;
}
/** Post a message to an mbox - may not fail
* -> blocks if full, only used from tasks not from ISR
* @param mbox mbox to posts the message
* @param msg message to post (ATTENTION: can be NULL) */
void sys_mbox_post(sys_mbox_t *mbox, void *msg)
{
#if SYS_DEBUG
@ -308,8 +320,8 @@ void sys_mbox_post(sys_mbox_t *mbox, void *msg)
}
#endif
rt_mb_send(*mbox, (rt_uint32_t)msg);
if (rt_mb_send(*mbox, (rt_uint32_t)msg) != RT_EOK)
rt_kprintf("TODO: FIX THIS!! mbox overflow");
return;
}
@ -325,11 +337,19 @@ err_t sys_mbox_trypost(sys_mbox_t *mbox, void *msg)
}
#endif
if (rt_mb_send(*mbox, (rt_uint32_t)msg) == RT_EOK) return ERR_OK;
if (rt_mb_send(*mbox, (rt_uint32_t)msg) == RT_EOK)
return ERR_OK;
return ERR_MEM;
}
/** Wait for a new message to arrive in the mbox
* @param mbox mbox to get a message from
* @param msg pointer where the message is stored
* @param timeout maximum time (in milliseconds) to wait for a message
* @return time (in milliseconds) waited for a message, may be 0 if not waited
or SYS_ARCH_TIMEOUT on timeout
* The returned time has to be accurate to prevent timer jitter! */
u32_t sys_arch_mbox_fetch(sys_mbox_t *mbox, void **msg, u32_t timeout)
{
rt_err_t ret;
@ -344,14 +364,21 @@ u32_t sys_arch_mbox_fetch(sys_mbox_t *mbox, void **msg, u32_t timeout)
else
{
/* convirt msecond to os tick */
if (timeout < (1000/RT_TICK_PER_SECOND)) t = 1;
else t = timeout / (1000/RT_TICK_PER_SECOND);
if (timeout < (1000/RT_TICK_PER_SECOND))
t = 1;
else
t = timeout / (1000/RT_TICK_PER_SECOND);
}
ret = rt_mb_recv(*mbox, (rt_uint32_t *)msg, t);
if(ret == -RT_ETIMEOUT) return SYS_ARCH_TIMEOUT;
else if (ret == RT_EOK) ret = 1;
if(ret == -RT_ETIMEOUT)
return SYS_ARCH_TIMEOUT;
else
{
if (ret == RT_EOK)
ret = 1;
}
#if SYS_DEBUG
{
@ -368,19 +395,31 @@ u32_t sys_arch_mbox_fetch(sys_mbox_t *mbox, void **msg, u32_t timeout)
/* convert tick to msecond */
tick = tick * (1000/RT_TICK_PER_SECOND);
if (tick == 0) tick = 1;
if (tick == 0)
tick = 1;
return tick;
}
/** Wait for a new message to arrive in the mbox
* @param mbox mbox to get a message from
* @param msg pointer where the message is stored
* @param timeout maximum time (in milliseconds) to wait for a message
* @return 0 (milliseconds) if a message has been received
* or SYS_MBOX_EMPTY if the mailbox is empty */
u32_t sys_arch_mbox_tryfetch(sys_mbox_t *mbox, void **msg)
{
int ret;
ret = rt_mb_recv(*mbox, (rt_uint32_t *)msg, 0);
if(ret == -RT_ETIMEOUT) return SYS_ARCH_TIMEOUT;
else if (ret == RT_EOK) ret = 1;
if(ret == -RT_ETIMEOUT)
return SYS_ARCH_TIMEOUT;
else
{
if (ret == RT_EOK)
ret = 1;
}
#if SYS_DEBUG
{
@ -399,9 +438,6 @@ u32_t sys_arch_mbox_tryfetch(sys_mbox_t *mbox, void **msg)
/** Check if an mbox is valid/allocated: return 1 for valid, 0 for invalid */
int sys_mbox_valid(sys_mbox_t *mbox)
{
////////////////////
// to be implemented.
////////////////////
return (int)(*mbox);
}
#endif
@ -409,9 +445,6 @@ int sys_mbox_valid(sys_mbox_t *mbox)
/** Set an mbox invalid so that sys_mbox_valid returns 0 */
void sys_mbox_set_invalid(sys_mbox_t *mbox)
{
////////////////////
// to be implemented.
////////////////////
*mbox = RT_NULL;
}
#endif

4
components/net/lwip-1.4.0/src/netif/ethernetif.c
View File

@ -179,7 +179,7 @@ rt_err_t eth_device_init(struct eth_device* dev, const char* name)
code to eth_init(). See include/lwip/netif.h line 97 */
eth_dev = dev;
if (netif_add(pnetif, IP_ADDR_ANY, IP_ADDR_BROADCAST, IP_ADDR_ANY, dev,
ethernetif_init, ethernet_input) == RT_NULL)
ethernetif_init, tcpip_input) == RT_NULL)
{
/* failed, unregister device and free netif */
rt_device_unregister(&(dev->parent));
@ -249,7 +249,7 @@ void eth_rx_thread_entry(void* parameter)
if (p != RT_NULL)
{
/* notify to upper layer */
ethernet_input(p, device->netif);
tcpip_input(p, device->netif);
}
else break;
}