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[lwIP] Add IPv4 input hook

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This commit is contained in:
Bernard Xiong 2015-01-26 06:35:08 +00:00
parent 1512da3b03
commit 15231efaff
2 changed files with 28 additions and 0 deletions
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20
components/net/lwip-1.4.1/src/arch/sys_arch.c
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@ -601,6 +601,26 @@ u32_t sys_now(void)
return rt_tick_get() * (1000 / RT_TICK_PER_SECOND); return rt_tick_get() * (1000 / RT_TICK_PER_SECOND);
} }
/*
* lwIP IPv4 input hook
*/
#ifdef LWIP_USING_IP4INPUT_HOOK
static int (*_lwip_ip_input_hook)(struct pbuf *p, struct netif *inp) = RT_NULL;
void lwip_ip_input_set_hook(int (*hook)(struct pbuf *p, struct netif *inp))
{
_lwip_ip_input_hook = hook;
}
int lwip_ip_input_hook(struct pbuf *p, struct netif *inp)
{
if (_lwip_ip_input_hook != RT_NULL)
return _lwip_ip_input_hook(p, inp);
return 0;
}
#endif
#ifdef RT_LWIP_PPP #ifdef RT_LWIP_PPP
u32_t sio_read(sio_fd_t fd, u8_t *buf, u32_t size) u32_t sio_read(sio_fd_t fd, u8_t *buf, u32_t size)
{ {

8
components/net/lwip-1.4.1/src/lwipopts.h
View File

@ -161,6 +161,14 @@
*/ */
#define SYS_LIGHTWEIGHT_PROT (NO_SYS==0) #define SYS_LIGHTWEIGHT_PROT (NO_SYS==0)
#ifdef LWIP_USING_IP4INPUT_HOOK
struct pbuf;
struct netif;
int lwip_ip_input_hook(struct pbuf *p, struct netif *inp);
#define LWIP_HOOK_IP4_INPUT lwip_ip_input_hook
#endif
/* ---------- TCP options ---------- */ /* ---------- TCP options ---------- */
#ifdef RT_LWIP_TCP #ifdef RT_LWIP_TCP
#define LWIP_TCP 1 #define LWIP_TCP 1