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Join a host group.

Files

net_igmp.h/net_igmp.c

Prototype

Code Block

          void NetIGMP_HostGrpJoin (NET_IF_NBR      if_nbr,
                                    NET_IPv4_ADDR   addr_grp,
                                    NET_ERR        *p_err);

Arguments

if_nbr

Interface number to join host group.

...

NET_IGMP_ERR_NONE
NET_IGMP_ERR_INVALID_ADDR_GRP
NET_IGMP_ERR_HOST_GRP_NONE_AVAIL
NET_IGMP_ERR_HOST_GRP_INVALID_TYPE
NET_IF_ERR_INVALID_IF
NET_INIT_ERR_NOT_COMPLETED
NET_ERR_FAULT_LOCK_ACQUIRE

Returned Value

DEF_OK,

if host group successfully joined.

DEF_FAIL,

otherwise.

Required Configuration

Available only if NET_MCAST_CFG_IPv4_RX_EN is enabled (see section Network Stack Configuration).

IGMP is the protocol used for multicast communication with IPv4.  Therefore Therefore, IGMP can be used only if NET_IPv4_CFG_EN is also enabled (see section Network Stack Configuration). 

Notes / Warnings

addr_grp must be in host-order.