DEVLINK_ATTR_PORT_FUNCTION
.maxattr = DEVLINK_ATTR_PORT_FUNCTION,
static const struct nla_policy devlink_port_set_nl_policy[DEVLINK_ATTR_PORT_FUNCTION + 1] = {
[DEVLINK_ATTR_PORT_FUNCTION] = NLA_POLICY_NESTED(devlink_dl_port_function_nl_policy),
function_attr = nla_nest_start_noflag(msg, DEVLINK_ATTR_PORT_FUNCTION);
if (info->attrs[DEVLINK_ATTR_PORT_FUNCTION]) {
struct nlattr *attr = info->attrs[DEVLINK_ATTR_PORT_FUNCTION];