IGMP

Macros
#define	netif_igmp_data(netif)   ((struct igmp_group *)netif_get_client_data(netif, LWIP_NETIF_CLIENT_DATA_INDEX_IGMP))

Functions
err_t	igmp_joingroup (const ip4_addr_t *ifaddr, const ip4_addr_t *groupaddr)
err_t	igmp_joingroup_netif (struct netif *netif, const ip4_addr_t *groupaddr)
err_t	igmp_leavegroup (const ip4_addr_t *ifaddr, const ip4_addr_t *groupaddr)
err_t	igmp_leavegroup_netif (struct netif *netif, const ip4_addr_t *groupaddr)

Detailed Description

To be called from TCPIP thread

Macro Definition Documentation

netif_igmp_data

#define netif_igmp_data

(

netif

)

((struct igmp_group *)netif_get_client_data(netif, LWIP_NETIF_CLIENT_DATA_INDEX_IGMP))

Get list head of IGMP groups for netif. Note: The allsystems group IP is contained in the list as first entry.

See also

netif_set_igmp_mac_filter()

Function Documentation

igmp_joingroup()

err_t igmp_joingroup	(	const ip4_addr_t *	ifaddr,
		const ip4_addr_t *	groupaddr
	)

Join a group on one network interface.

Parameters

ifaddr	ip address of the network interface which should join a new group
groupaddr	the ip address of the group which to join

Returns

ERR_OK if group was joined on the netif(s), an err_t otherwise

igmp_joingroup_netif()

err_t igmp_joingroup_netif	(	struct netif *	netif,
		const ip4_addr_t *	groupaddr
	)

Join a group on one network interface.

Parameters

netif	the network interface which should join a new group
groupaddr	the ip address of the group which to join

Returns

ERR_OK if group was joined on the netif, an err_t otherwise

igmp_leavegroup()

err_t igmp_leavegroup	(	const ip4_addr_t *	ifaddr,
		const ip4_addr_t *	groupaddr
	)

Leave a group on one network interface.

Parameters

ifaddr	ip address of the network interface which should leave a group
groupaddr	the ip address of the group which to leave

Returns

ERR_OK if group was left on the netif(s), an err_t otherwise

igmp_leavegroup_netif()

err_t igmp_leavegroup_netif	(	struct netif *	netif,
		const ip4_addr_t *	groupaddr
	)

Leave a group on one network interface.

Parameters

netif	the network interface which should leave a group
groupaddr	the ip address of the group which to leave

Returns

ERR_OK if group was left on the netif, an err_t otherwise