CAPIMSG_SUBCOMMAND
if (CAPIMSG_SUBCOMMAND(skb->data) == CAPI_IND) {
} else if (CAPIMSG_SUBCOMMAND(skb->data) == CAPI_CONF) {
subcmd = CAPIMSG_SUBCOMMAND(skb->data);
|| !capi_subcmd_valid(CAPIMSG_SUBCOMMAND(skb->data)))
subcmd = CAPIMSG_SUBCOMMAND(skb->data);
switch (CAPIMSG_SUBCOMMAND(skb->data)) {