GROUP_PROTOCOL (reference) in projects: Linux-v5.10

80 #define  GROUP_PROTOCOL       9  macro

1201 		if (mtyp == TIPC_GRP_UCAST_MSG || user == GROUP_PROTOCOL) {  in tipc_sk_mcast_rcv()
2136 	case GROUP_PROTOCOL:  in tipc_sk_proto_rcv()

1242 	case GROUP_PROTOCOL:  in tipc_data_input()

/Linux-v5.10/net/tipc/
D	msg.h	`80 #define GROUP_PROTOCOL 9 macro`
D	group.c	`709 skb = tipc_msg_create(GROUP_PROTOCOL, mtyp, INT_H_SIZE, 0, in tipc_group_proto_xmit()`
D	socket.c	`1201 if (mtyp == TIPC_GRP_UCAST_MSG \|\| user == GROUP_PROTOCOL) { in tipc_sk_mcast_rcv() 2136 case GROUP_PROTOCOL: in tipc_sk_proto_rcv()`
D	node.c	`1628 case GROUP_PROTOCOL: in tipc_lxc_xmit()`
D	link.c	`1242 case GROUP_PROTOCOL: in tipc_data_input()`