Client data handling

Macros
#define	netif_set_client_data(netif, id, data)   netif_get_client_data(netif, id) = (data)
#define	netif_get_client_data(netif, id)   (netif)->client_data[(id)]

Functions
u8_t	netif_alloc_client_data_id (void)

Detailed Description

Store data (void*) on a netif for application usage.

See also

LWIP_NUM_NETIF_CLIENT_DATA

Macro Definition Documentation

netif_get_client_data

#define netif_get_client_data	(		netif,
			id
	)		(netif)->client_data[(id)]

Get client data. Obtain ID from netif_alloc_client_data_id().

netif_set_client_data

#define netif_set_client_data	(		netif,
			id,
			data
	)		netif_get_client_data(netif, id) = (data)

Set client data. Obtain ID from netif_alloc_client_data_id().

Function Documentation

netif_alloc_client_data_id()

u8_t netif_alloc_client_data_id

(

void

)

Allocate an index to store data in client_data member of struct netif. Returned value is an index in mentioned array.

See also

LWIP_NUM_NETIF_CLIENT_DATA