Function sfc_dp_mport_register

dpdk/drivers/net/sfc/sfc_dp.c:88–126

int sfc_dp_mport_offset = -1;

int
sfc_dp_mport_register(void)
{
	static const struct rte_mbuf_dynfield mport = {
		.name = "rte_net_sfc_dynfield_mport",
		.size = sizeof(efx_mport_id_t),
		.align = __alignof__(efx_mport_id_t),
	};
	static const struct rte_mbuf_dynflag mport_override = {
		.name = "rte_net_sfc_dynflag_mport_override",
	};

	int field_offset;
	int flag;

	if (sfc_dp_mport_override != 0) {
		SFC_GENERIC_LOG(INFO, "%s() already registered", __func__);
		return 0;
	}

	field_offset = rte_mbuf_dynfield_register(&mport);
	if (field_offset < 0) {
		SFC_GENERIC_LOG(ERR, "%s() failed to register mport dynfield",
				__func__);
		return -1;
	}

	flag = rte_mbuf_dynflag_register(&mport_override);
	if (flag < 0) {
		SFC_GENERIC_LOG(ERR, "%s() failed to register mport dynflag",
				__func__);
		return -1;
	}

	sfc_dp_mport_offset = field_offset;
	sfc_dp_mport_override = UINT64_C(1) << flag;

	return 0;
}

int sfc_dp_ft_ctx_id_offset = -1;
uint64_t sfc_dp_ft_ctx_id_valid;