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Start working on task #14283: Add more detailed status callback

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IPv6 stuff is not implemented
This commit is contained in:
Dirk Ziegelmeier
2017-02-13 21:40:08 +01:00
parent 0b257f71e7
commit 58c48af58f
3 changed files with 127 additions and 4 deletions
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47
src/include/lwip/netif.h
View File

@@ -223,7 +223,7 @@ u8_t netif_alloc_client_data_id(void);
* Get client data. Obtain ID from netif_alloc_client_data_id().
*/
#define netif_get_client_data(netif, id) (netif)->client_data[(id)]
#endif /* LWIP_DHCP || LWIP_AUTOIP || (LWIP_NUM_NETIF_CLIENT_DATA > 0) */
#endif
/** Generic data structure used for all lwIP network interfaces.
* The following fields should be filled in by the initialization
@@ -505,6 +505,51 @@ struct netif* netif_get_by_index(u8_t idx);
#define netif_get_index(netif) ((netif)->num + 1)
#define NETIF_NO_INDEX (0)
typedef enum
{
/** netif was added. arg is NULL */
LWIP_NSC_NETIF_ADDED,
/** netif was removed. arg is NULL */
LWIP_NSC_NETIF_REMOVED,
/** link changed. arg: 1 up, 0 down */
LWIP_NSC_LINK_CHANGED,
/** netif status changed. arg: 1 up, 0 down */
LWIP_NSC_NETIF_STATUS_CHANGED,
/** IPv4 address has changed. arg is NULL */
LWIP_NSC_NETIF_IPV4_ADDRESS_CHANGED,
/** IPv4 gateway has changed. arg is NULL */
LWIP_NSC_NETIF_IPV4_GATEWAY_CHANGED,
/** IPv4 netmask has changed. arg is NULL */
LWIP_NSC_NETIF_IPV4_NETMASK_CHANGED,
/** called AFTER IPv4 address/gateway/netmask changes have been applied */
LWIP_NSC_NETIF_IPV4_SETTINGS_CHANGED,
/** IPv6 address was added. arg is index of address */
LWIP_NSC_NETIF_IPV6_ADDED,
/** IPv6 address was removed. arg is index of address */
LWIP_NSC_NETIF_IPV6_REMOVED,
/** IPv6 address state has changed. arg is index of address */
LWIP_NSC_NETIF_IPV6_ADDR_STATE_CHANGED
} netif_status_callback_reason_t;
typedef void (*netif_ext_status_callback)(struct netif* netif, netif_status_callback_reason_t reason, void* arg, const ip_addr_t* oldaddr, const ip_addr_t* newaddr);
#if LWIP_NETIF_EXT_STATUS_CALLBACK
struct netif_ext_callback;
typedef struct netif_ext_callback
{
netif_ext_status_callback callback_fn;
struct netif_ext_callback* next;
} netif_ext_callback_t;
#define NETIF_DECLARE_EXT_CALLBACK(name) static netif_ext_callback_t name;
void netif_add_ext_callback(netif_ext_callback_t* callback, netif_ext_status_callback fn);
void netif_invoke_ext_callback(struct netif* netif, netif_status_callback_reason_t reason, void* arg, const ip_addr_t* oldaddr, const ip_addr_t* newaddr);
#else
#define NETIF_DECLARE_EXT_CALLBACK(name)
#define netif_add_ext_callback(callback, fn)
#define netif_invoke_ext_callback(netif, reason, arg, oldaddr, newaddr)
#endif
#ifdef __cplusplus
}
#endif

9
src/include/lwip/opt.h
View File

@@ -1434,6 +1434,15 @@
#define LWIP_NETIF_STATUS_CALLBACK 0
#endif
/**
* LWIP_NETIF_EXT_STATUS_CALLBACK==1: Support an extended callback function
* for several netif related event that supports multiple subscribers.
* @see netif_ext_status_callback
*/
#if !defined LWIP_NETIF_EXT_STATUS_CALLBACK || defined __DOXYGEN__
#define LWIP_NETIF_EXT_STATUS_CALLBACK 0
#endif
/**
* LWIP_NETIF_LINK_CALLBACK==1: Support a callback function from an interface
* whenever the link changes (i.e., link down)