Function ixgbe_get_vf_queues

dpdk/drivers/net/ixgbe/ixgbe_pf.c:637–721

}

static int
ixgbe_get_vf_queues(struct rte_eth_dev *dev, uint32_t vf, uint32_t *msgbuf)
{
	struct ixgbe_vf_info *vfinfo =
		*IXGBE_DEV_PRIVATE_TO_P_VFDATA(dev->data->dev_private);
	uint32_t default_q = vf * RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool;
	struct rte_eth_conf *eth_conf;
	struct rte_eth_vmdq_dcb_tx_conf *vmdq_dcb_tx_conf;
	u8 num_tcs;
	struct ixgbe_hw *hw;
	u32 vmvir;
#define IXGBE_VMVIR_VLANA_MASK		0xC0000000
#define IXGBE_VMVIR_VLAN_VID_MASK	0x00000FFF
#define IXGBE_VMVIR_VLAN_UP_MASK	0x0000E000
#define VLAN_PRIO_SHIFT			13
	u32 vlana;
	u32 vid;
	u32 user_priority;

	/* Verify if the PF supports the mbox APIs version or not */
	switch (vfinfo[vf].api_version) {
	case ixgbe_mbox_api_20:
	case ixgbe_mbox_api_11:
	case ixgbe_mbox_api_12:
	case ixgbe_mbox_api_13:
		break;
	default:
		return -1;
	}

	/* Notify VF of Rx and Tx queue number */
	msgbuf[IXGBE_VF_RX_QUEUES] = RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool;
	msgbuf[IXGBE_VF_TX_QUEUES] = RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool;

	/* Notify VF of default queue */
	msgbuf[IXGBE_VF_DEF_QUEUE] = default_q;

	/* Notify VF of number of DCB traffic classes */
	eth_conf = &dev->data->dev_conf;
	switch (eth_conf->txmode.mq_mode) {
	case RTE_ETH_MQ_TX_NONE:
	case RTE_ETH_MQ_TX_DCB:
		PMD_DRV_LOG(ERR, "PF must work with virtualization for VF %u"
			", but its tx mode = %d", vf,
			eth_conf->txmode.mq_mode);
		return -1;

	case RTE_ETH_MQ_TX_VMDQ_DCB:
		vmdq_dcb_tx_conf = &eth_conf->tx_adv_conf.vmdq_dcb_tx_conf;
		switch (vmdq_dcb_tx_conf->nb_queue_pools) {
		case RTE_ETH_16_POOLS:
			num_tcs = RTE_ETH_8_TCS;
			break;
		case RTE_ETH_32_POOLS:
			num_tcs = RTE_ETH_4_TCS;
			break;
		default:
			return -1;