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* netif.c, netif.h: Apply patch#4197 with some changes (originator: rireland@hmgsl.com).

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Provides callback on netif up/down state change.
This commit is contained in:
kieranm
2007-03-21 13:24:20 +00:00
parent d7ff85850c
commit e5147d5562
3 changed files with 50 additions and 4 deletions
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39
src/core/netif.c
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@@ -79,6 +79,10 @@ netif_add(struct netif *netif, struct ip_addr *ipaddr, struct ip_addr *netmask,
/* netif not under DHCP control by default */
netif->dhcp = NULL;
#endif
#if LWIP_NETIF_CALLBACK
netif->status_callback = NULL;
#endif /* LWIP_NETIF_CALLBACK */
/* remember netif specific state information data */
netif->state = state;
netif->num = netifnum++;
@@ -287,10 +291,17 @@ netif_set_default(struct netif *netif)
*/
void netif_set_up(struct netif *netif)
{
netif->flags |= NETIF_FLAG_UP;
if ( !(netif->flags & NETIF_FLAG_UP )) {
netif->flags |= NETIF_FLAG_UP;
#if LWIP_SNMP
snmp_get_sysuptime(&netif->ts);
snmp_get_sysuptime(&netif->ts);
#endif
#if LWIP_NETIF_CALLBACK
if ( netif->status_callback )
(netif->status_callback)( netif );
#endif /* LWIP_NETIF_CALLBACK */
}
}
/**
@@ -311,10 +322,18 @@ u8_t netif_is_up(struct netif *netif)
*/
void netif_set_down(struct netif *netif)
{
netif->flags &= ~NETIF_FLAG_UP;
if ( netif->flags & NETIF_FLAG_UP )
{
netif->flags &= ~NETIF_FLAG_UP;
#if LWIP_SNMP
snmp_get_sysuptime(&netif->ts);
snmp_get_sysuptime(&netif->ts);
#endif
#if LWIP_NETIF_CALLBACK
if ( netif->status_callback )
(netif->status_callback)( netif );
#endif /* LWIP_NETIF_CALLBACK */
}
}
void
@@ -323,3 +342,15 @@ netif_init(void)
netif_list = netif_default = NULL;
}
#if LWIP_NETIF_CALLBACK
/**
* Set callback to be called when interface is brought up/down
*/
void netif_set_status_callback( struct netif *netif, void (* status_callback)(struct netif *netif ))
{
if ( netif )
netif->status_callback = status_callback;
}
#endif /* LWIP_NETIF_CALLBACK */