Function ixgbe_set_vf_mc_promisc

dpdk/drivers/net/ixgbe/ixgbe_pf.c:723–792

}

static int
ixgbe_set_vf_mc_promisc(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));
	struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
	int xcast_mode = msgbuf[1];	/* msgbuf contains the flag to enable */
	u32 vmolr, fctrl, disable, enable;

	switch (vfinfo[vf].api_version) {
	case ixgbe_mbox_api_12:
		/* promisc introduced in 1.3 version */
		if (xcast_mode == IXGBEVF_XCAST_MODE_PROMISC)
			return -EOPNOTSUPP;
		break;
		/* Fall threw */
	case ixgbe_mbox_api_13:
		break;
	default:
		return -1;
	}

	if (vfinfo[vf].xcast_mode == xcast_mode)
		goto out;

	switch (xcast_mode) {
	case IXGBEVF_XCAST_MODE_NONE:
		disable = IXGBE_VMOLR_ROMPE |
			  IXGBE_VMOLR_MPE | IXGBE_VMOLR_UPE | IXGBE_VMOLR_VPE;
		enable = IXGBE_VMOLR_BAM;
		break;
	case IXGBEVF_XCAST_MODE_MULTI:
		disable = IXGBE_VMOLR_MPE | IXGBE_VMOLR_UPE | IXGBE_VMOLR_VPE;
		enable = IXGBE_VMOLR_BAM | IXGBE_VMOLR_ROMPE;
		break;
	case IXGBEVF_XCAST_MODE_ALLMULTI:
		disable = IXGBE_VMOLR_UPE | IXGBE_VMOLR_VPE;
		enable = IXGBE_VMOLR_BAM | IXGBE_VMOLR_ROMPE | IXGBE_VMOLR_MPE;
		break;
	case IXGBEVF_XCAST_MODE_PROMISC:
		if (hw->mac.type <= ixgbe_mac_82599EB)
			return -1;

		fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL);
		if (!(fctrl & IXGBE_FCTRL_UPE)) {
			/* VF promisc requires PF in promisc */
			PMD_DRV_LOG(ERR,
			       "Enabling VF promisc requires PF in promisc");
			return -1;
		}

		disable = IXGBE_VMOLR_VPE;
		enable = IXGBE_VMOLR_BAM | IXGBE_VMOLR_ROMPE |
			 IXGBE_VMOLR_MPE | IXGBE_VMOLR_UPE;
		break;
	default:
		return -1;
	}