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Introduce an API to store arbitrary data pointers in struct netif

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Let MDNS to use the new API
TODO: AutoIP, DHCP
This commit is contained in:
Dirk Ziegelmeier
2016-08-17 16:37:15 +02:00
parent 93b286e508
commit c28fb298b7
4 changed files with 81 additions and 43 deletions
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27
src/core/netif.c
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@@ -39,6 +39,8 @@
#include "lwip/opt.h"
#include <string.h>
#include "lwip/def.h"
#include "lwip/ip_addr.h"
#include "lwip/ip6_addr.h"
@@ -247,10 +249,9 @@ netif_add(struct netif *netif,
/* netif not under AutoIP control by default */
netif->autoip = NULL;
#endif /* LWIP_AUTOIP */
#if LWIP_MDNS_RESPONDER
/* netif not using MDNS by default */
netif->mdns = NULL;
#endif /* LWIP_MDNS_RESPONDER */
#if LWIP_NUM_NETIF_CLIENT_DATA > 0
memset(netif->client_data, 0, sizeof(netif->client_data));
#endif /* LWIP_NUM_NETIF_CLIENT_DATA */
#if LWIP_IPV6_AUTOCONFIG
/* IPv6 address autoconfiguration not enabled by default */
netif->ip6_autoconfig_enabled = 0;
@@ -947,6 +948,24 @@ netif_poll_all(void)
#endif /* !LWIP_NETIF_LOOPBACK_MULTITHREADING */
#endif /* ENABLE_LOOPBACK */
#if LWIP_NUM_NETIF_CLIENT_DATA > 0
static u8_t netif_client_id = 0;
/**
* @ingroup netif
* Allocate an index to store data in client_data member of struct netif.
* Returned value is an index in mentioned array.
* @see LWIP_NUM_NETIF_CLIENT_DATA
*/
u8_t netif_alloc_client_data_id(void)
{
u8_t result = netif_client_id;
netif_client_id++;
LWIP_ASSERT("Increase LWIP_NUM_NETIF_CLIENT_DATA in lwipopts.h", netif_client_id<LWIP_NUM_NETIF_CLIENT_DATA);
return result;
}
#endif
#if LWIP_IPV6
/**
* Checks if a specific address is assigned to the netif and returns its