To be called from TCPIP thread 
◆ netif_igmp_data
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() 
 
 
◆ igmp_joingroup()
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()
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()
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()
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