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Oops.. interrupts must be disabled when uip_arp_update is called

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1635 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
2009-03-21 17:30:38 +00:00
parent 3e821540a5
commit ce571e9d8e
1 changed files with 29 additions and 11 deletions
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netutils/dhcpd/dhcpd.c
+29 -11
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@@ -53,11 +53,12 @@ typedef unsigned char boolean;
# define ERROR (-1) # define ERROR (-1)
# define OK (0) # define OK (0)
#else #else
# include <nuttx/config.h> # include <nuttx/config.h> /* NuttX configuration */
# include <debug.h> # include <debug.h> /* For ndbg, vdbg */
# include <nuttx/compiler.h> # include <nuttx/compiler.h> /* For CONFIG_CPP_HAVE_WARNING */
# include <net/uip/uip-arp.h> # include <arch/irq.h> /* For irqstore() and friends -- REVISIT */
# include <net/uip/dhcpd.h> # include <net/uip/uip-arp.h> /* For low-level ARP interfaces -- REVISIT */
# include <net/uip/dhcpd.h> /* Advertised DHCPD APIs */
#endif #endif
#include <sys/types.h> #include <sys/types.h>
@@ -262,6 +263,27 @@ static struct dhcpd_state_s g_state;
* Private Functions * Private Functions
****************************************************************************/ ****************************************************************************/
/****************************************************************************
* Name: dhcpd_arpupdate
****************************************************************************/
#ifndef CONFIG_NETUTILS_DHCPD_HOST
static inline void dhcpd_arpupdate(uint16 *pipaddr, uint8 *phwaddr)
{
irqstate_t flags;
/* Disable interrupts and update the ARP table -- very non-portable hack.
* REVISIT -- switch to the SIOCSARP ioctl call if/when it is implemented.
*/
flags = irqsave();
uip_arp_update(pipaddr, phwaddr);
irqrestore(flags);
}
#else
# define dhcpd_arpupdate(pipaddr,phwaddr)
#endif
/**************************************************************************** /****************************************************************************
* Name: dhcpd_time * Name: dhcpd_time
****************************************************************************/ ****************************************************************************/
@@ -855,9 +877,7 @@ static int dhcpd_sendpacket(int bbroadcast)
} }
else if (memcmp(g_state.ds_outpacket.ciaddr, g_anyipaddr, 4) != 0) else if (memcmp(g_state.ds_outpacket.ciaddr, g_anyipaddr, 4) != 0)
{ {
#ifndef CONFIG_NETUTILS_DHCPD_HOST // Backdoor uIP path to update ARP dhcpd_arpupdate((uint16*)g_state.ds_outpacket.ciaddr, g_state.ds_outpacket.chaddr);
uip_arp_update((uint16*)g_state.ds_outpacket.ciaddr, g_state.ds_outpacket.chaddr);
#endif
memcpy(&ipaddr, g_state.ds_outpacket.ciaddr, 4); memcpy(&ipaddr, g_state.ds_outpacket.ciaddr, 4);
} }
else if (g_state.ds_outpacket.flags & HTONS(BOOTP_BROADCAST)) else if (g_state.ds_outpacket.flags & HTONS(BOOTP_BROADCAST))
@@ -866,9 +886,7 @@ static int dhcpd_sendpacket(int bbroadcast)
} }
else else
{ {
#ifndef CONFIG_NETUTILS_DHCPD_HOST // Backdoor uIP path to update ARP dhcpd_arpupdate((uint16*)g_state.ds_outpacket.yiaddr, g_state.ds_outpacket.chaddr);
uip_arp_update((uint16*)g_state.ds_outpacket.yiaddr, g_state.ds_outpacket.chaddr);
#endif
memcpy(&ipaddr, g_state.ds_outpacket.yiaddr, 4); memcpy(&ipaddr, g_state.ds_outpacket.yiaddr, 4);
} }
#endif #endif