[dpdk-dev] [PATCH] net/ixgbe: notify VF when PF link status changes
Iremonger, Bernard
bernard.iremonger at intel.com
Wed Mar 29 13:10:31 CEST 2017
Hi Alex,
> -----Original Message-----
> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of alexz at att.com
> Sent: Wednesday, March 22, 2017 5:32 PM
> To: dev at dpdk.org
> Cc: Ananyev, Konstantin <konstantin.ananyev at intel.com>; Zhang, Helin
> <helin.zhang at intel.com>; Lu, Wenzhuo <wenzhuo.lu at intel.com>; Alex
> Zelezniak <alexz at att.com>
> Subject: [dpdk-dev] [PATCH] net/ixgbe: notify VF when PF link status
> changes
>
> From: Alex Zelezniak <alexz at att.com>
>
> Signed-off-by: Alex Zelezniak <alexz at att.com>
> ---
> drivers/net/ixgbe/ixgbe_ethdev.c | 33
> +++++++++++++++++++++++++++++++++
> drivers/net/ixgbe/rte_pmd_ixgbe.h | 14 ++++++++++++++
> 2 files changed, 47 insertions(+)
>
> diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c
> b/drivers/net/ixgbe/ixgbe_ethdev.c
> index 7169007..a0e7aeb 100644
> --- a/drivers/net/ixgbe/ixgbe_ethdev.c
> +++ b/drivers/net/ixgbe/ixgbe_ethdev.c
> @@ -4894,6 +4894,39 @@ static void ixgbevf_set_vfta_all(struct
> rte_eth_dev *dev, bool on)
> return new_val;
> }
>
> +int
> +rte_pmd_ixgbe_ping_vfs(uint8_t port, uint16_t vf) {
> + struct ixgbe_hw *hw;
> + struct ixgbe_vf_info *vfinfo;
> + struct rte_eth_dev *dev;
> + struct rte_pci_device *pci_dev;
> + uint32_t ctrl;
> +
> + RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV);
> +
> + dev = &rte_eth_devices[port];
> + pci_dev = IXGBE_DEV_TO_PCI(dev);
> +
> + if (!is_device_supported(dev, &rte_ixgbe_pmd))
> + return -ENOTSUP;
> +
> + if (vf >= pci_dev->max_vfs)
> + return -EINVAL;
> +
> + hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
> + vfinfo = *(IXGBE_DEV_PRIVATE_TO_P_VFDATA(dev->data-
> >dev_private));
> +
> + hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
> +
> + ctrl = IXGBE_PF_CONTROL_MSG;
> + if (vfinfo[vf].clear_to_send)
> + ctrl |= IXGBE_VT_MSGTYPE_CTS;
> +
> + ixgbe_write_mbx(hw, &ctrl, 1, vf);
> +
> + return 0;
> +}
>
> int
> rte_pmd_ixgbe_set_vf_vlan_anti_spoof(uint8_t port, uint16_t vf, uint8_t
> on) diff --git a/drivers/net/ixgbe/rte_pmd_ixgbe.h
> b/drivers/net/ixgbe/rte_pmd_ixgbe.h
> index 4d7b507..7f27992 100644
> --- a/drivers/net/ixgbe/rte_pmd_ixgbe.h
> +++ b/drivers/net/ixgbe/rte_pmd_ixgbe.h
> @@ -42,6 +42,20 @@
> #include <rte_ethdev.h>
>
> /**
> + * Notify VF when PF link status changes.
> + *
> + * @param port
> + * The port identifier of the Ethernet device.
> + * @param vf
> + * VF id.
> + * @return
> + * - (0) if successful.
> + * - (-ENODEV) if *port* invalid.
> + * - (-EINVAL) if *vf* invalid.
> + */
> +int rte_pmd_ixgbe_ping_vfs(uint8_t port, uint16_t vf);
> +
> +/**
> * Set the VF MAC address.
> *
> * @param port
> --
> 1.9.1
The drivers/net/ixgbe/rte_pmd_ixgbe_version.map file needs to be updated too.
Regards,
Bernard
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