[dpdk-dev] [PATCH v13 5/8] ethdev: add speed capabilities
Alejandro Lucero
alejandro.lucero at netronome.com
Tue Mar 29 15:31:37 CEST 2016
For nfp.c, speed_capa should be ETH_LINK_SPEED_40G instead of
ETH_LINK_SPEED_50G.
By the way, the change in patch 4 sets the right link speed using the new
constants.
Regards
On Sat, Mar 26, 2016 at 1:27 AM, Marc Sune <marcdevel at gmail.com> wrote:
> The speed capabilities of a device can be retrieved with
> rte_eth_dev_info_get().
>
> The new field speed_capa is initialized in the drivers without
> taking care of device characteristics in this patch.
> When the capabilities of a driver are accurate, the table in
> overview.rst must be filled.
>
> Signed-off-by: Marc Sune <marcdevel at gmail.com>
> ---
> doc/guides/nics/overview.rst | 1 +
> doc/guides/rel_notes/release_16_04.rst | 8 ++++++++
> drivers/net/bnx2x/bnx2x_ethdev.c | 1 +
> drivers/net/cxgbe/cxgbe_ethdev.c | 1 +
> drivers/net/e1000/em_ethdev.c | 4 ++++
> drivers/net/e1000/igb_ethdev.c | 4 ++++
> drivers/net/ena/ena_ethdev.c | 9 +++++++++
> drivers/net/fm10k/fm10k_ethdev.c | 4 ++++
> drivers/net/i40e/i40e_ethdev.c | 8 ++++++++
> drivers/net/ixgbe/ixgbe_ethdev.c | 8 ++++++++
> drivers/net/mlx4/mlx4.c | 6 ++++++
> drivers/net/mlx5/mlx5_ethdev.c | 8 ++++++++
> drivers/net/nfp/nfp_net.c | 2 ++
> lib/librte_ether/rte_ethdev.h | 21 +++++++++++++++++++++
> 14 files changed, 85 insertions(+)
>
> diff --git a/doc/guides/nics/overview.rst b/doc/guides/nics/overview.rst
> index 542479a..62f1868 100644
> --- a/doc/guides/nics/overview.rst
> +++ b/doc/guides/nics/overview.rst
> @@ -86,6 +86,7 @@ Most of these differences are summarized below.
> e e e e e
> e
> c c c c c
> c
> ==================== = = = = = = = = = = = = = = = = = = = = = = = = =
> = = = = = = = =
> + speed capabilities
> link status X X X
> X X
> link status event X X
> X
> queue status event
> X
> diff --git a/doc/guides/rel_notes/release_16_04.rst
> b/doc/guides/rel_notes/release_16_04.rst
> index 79d76e1..9e7b0b7 100644
> --- a/doc/guides/rel_notes/release_16_04.rst
> +++ b/doc/guides/rel_notes/release_16_04.rst
> @@ -47,6 +47,11 @@ This section should contain new features added in this
> release. Sample format:
> A new function ``rte_pktmbuf_alloc_bulk()`` has been added to allow the
> user
> to allocate a bulk of mbufs.
>
> +* **Added device link speed capabilities.**
> +
> + The structure ``rte_eth_dev_info`` has now a ``speed_capa`` bitmap,
> which
> + allows the application to know the supported speeds of each device.
> +
> * **Added new poll-mode driver for Amazon Elastic Network Adapters
> (ENA).**
>
> The driver operates variety of ENA adapters through feature negotiation
> @@ -456,6 +461,9 @@ This section should contain API changes. Sample format:
> All drivers are now counting the missed packets only once, i.e. drivers
> will
> not increment ierrors anymore for missed packets.
>
> +* The ethdev structure ``rte_eth_dev_info`` was changed to support device
> + speed capabilities.
> +
> * The functions ``rte_eth_dev_udp_tunnel_add`` and
> ``rte_eth_dev_udp_tunnel_delete``
> have been renamed into ``rte_eth_dev_udp_tunnel_port_add`` and
> ``rte_eth_dev_udp_tunnel_port_delete``.
> diff --git a/drivers/net/bnx2x/bnx2x_ethdev.c
> b/drivers/net/bnx2x/bnx2x_ethdev.c
> index a3c6c01..897081f 100644
> --- a/drivers/net/bnx2x/bnx2x_ethdev.c
> +++ b/drivers/net/bnx2x/bnx2x_ethdev.c
> @@ -327,6 +327,7 @@ bnx2x_dev_infos_get(struct rte_eth_dev *dev,
> __rte_unused struct rte_eth_dev_inf
> dev_info->min_rx_bufsize = BNX2X_MIN_RX_BUF_SIZE;
> dev_info->max_rx_pktlen = BNX2X_MAX_RX_PKT_LEN;
> dev_info->max_mac_addrs = BNX2X_MAX_MAC_ADDRS;
> + dev_info->speed_capa = ETH_LINK_SPEED_10G | ETH_LINK_SPEED_20G;
> }
>
> static void
> diff --git a/drivers/net/cxgbe/cxgbe_ethdev.c
> b/drivers/net/cxgbe/cxgbe_ethdev.c
> index 8845c76..bb134e5 100644
> --- a/drivers/net/cxgbe/cxgbe_ethdev.c
> +++ b/drivers/net/cxgbe/cxgbe_ethdev.c
> @@ -171,6 +171,7 @@ static void cxgbe_dev_info_get(struct rte_eth_dev
> *eth_dev,
>
> device_info->rx_desc_lim = cxgbe_desc_lim;
> device_info->tx_desc_lim = cxgbe_desc_lim;
> + device_info->speed_capa = ETH_LINK_SPEED_10G | ETH_LINK_SPEED_40G;
> }
>
> static void cxgbe_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)
> diff --git a/drivers/net/e1000/em_ethdev.c b/drivers/net/e1000/em_ethdev.c
> index 473d77f..d5f8c7f 100644
> --- a/drivers/net/e1000/em_ethdev.c
> +++ b/drivers/net/e1000/em_ethdev.c
> @@ -1054,6 +1054,10 @@ eth_em_infos_get(struct rte_eth_dev *dev, struct
> rte_eth_dev_info *dev_info)
> .nb_min = E1000_MIN_RING_DESC,
> .nb_align = EM_TXD_ALIGN,
> };
> +
> + dev_info->speed_capa = ETH_LINK_SPEED_10M_HD | ETH_LINK_SPEED_10M |
> + ETH_LINK_SPEED_100M_HD | ETH_LINK_SPEED_100M |
> + ETH_LINK_SPEED_1G;
> }
>
> /* return 0 means link status changed, -1 means not changed */
> diff --git a/drivers/net/e1000/igb_ethdev.c
> b/drivers/net/e1000/igb_ethdev.c
> index 86f25f6..95d1711 100644
> --- a/drivers/net/e1000/igb_ethdev.c
> +++ b/drivers/net/e1000/igb_ethdev.c
> @@ -1921,6 +1921,10 @@ eth_igb_infos_get(struct rte_eth_dev *dev, struct
> rte_eth_dev_info *dev_info)
>
> dev_info->rx_desc_lim = rx_desc_lim;
> dev_info->tx_desc_lim = tx_desc_lim;
> +
> + dev_info->speed_capa = ETH_LINK_SPEED_10M_HD | ETH_LINK_SPEED_10M |
> + ETH_LINK_SPEED_100M_HD | ETH_LINK_SPEED_100M |
> + ETH_LINK_SPEED_1G;
> }
>
> static const uint32_t *
> diff --git a/drivers/net/ena/ena_ethdev.c b/drivers/net/ena/ena_ethdev.c
> index 1046286..4e403af 100644
> --- a/drivers/net/ena/ena_ethdev.c
> +++ b/drivers/net/ena/ena_ethdev.c
> @@ -1170,6 +1170,15 @@ static void ena_infos_get(struct rte_eth_dev *dev,
> ena_dev = &adapter->ena_dev;
> ena_assert_msg(ena_dev != NULL, "Uninitialized device");
>
> + dev_info->speed_capa =
> + ETH_LINK_SPEED_1G |
> + ETH_LINK_SPEED_2_5G |
> + ETH_LINK_SPEED_5G |
> + ETH_LINK_SPEED_10G |
> + ETH_LINK_SPEED_25G |
> + ETH_LINK_SPEED_40G |
> + ETH_LINK_SPEED_50G;
> +
> /* Get supported features from HW */
> rc = ena_com_get_dev_attr_feat(ena_dev, &feat);
> if (unlikely(rc)) {
> diff --git a/drivers/net/fm10k/fm10k_ethdev.c
> b/drivers/net/fm10k/fm10k_ethdev.c
> index 53aa1bb..85ad0df 100644
> --- a/drivers/net/fm10k/fm10k_ethdev.c
> +++ b/drivers/net/fm10k/fm10k_ethdev.c
> @@ -1410,6 +1410,10 @@ fm10k_dev_infos_get(struct rte_eth_dev *dev,
> .nb_min = FM10K_MIN_TX_DESC,
> .nb_align = FM10K_MULT_TX_DESC,
> };
> +
> + dev_info->speed_capa = ETH_LINK_SPEED_1G | ETH_LINK_SPEED_2_5G |
> + ETH_LINK_SPEED_10G | ETH_LINK_SPEED_25G |
> + ETH_LINK_SPEED_40G;
> }
>
> #ifdef RTE_LIBRTE_FM10K_RX_OLFLAGS_ENABLE
> diff --git a/drivers/net/i40e/i40e_ethdev.c
> b/drivers/net/i40e/i40e_ethdev.c
> index cce9e6f..dce31db 100644
> --- a/drivers/net/i40e/i40e_ethdev.c
> +++ b/drivers/net/i40e/i40e_ethdev.c
> @@ -2287,6 +2287,7 @@ static void
> i40e_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info
> *dev_info)
> {
> struct i40e_pf *pf =
> I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
> + struct i40e_hw *hw =
> I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
> struct i40e_vsi *vsi = pf->main_vsi;
>
> dev_info->max_rx_queues = vsi->nb_qps;
> @@ -2358,6 +2359,13 @@ i40e_dev_info_get(struct rte_eth_dev *dev, struct
> rte_eth_dev_info *dev_info)
> dev_info->max_rx_queues += dev_info->vmdq_queue_num;
> dev_info->max_tx_queues += dev_info->vmdq_queue_num;
> }
> +
> + if (i40e_is_40G_device(hw->device_id))
> + /* For XL710 */
> + dev_info->speed_capa = ETH_LINK_SPEED_1G |
> ETH_LINK_SPEED_10G;
> + else
> + /* For X710 */
> + dev_info->speed_capa = ETH_LINK_SPEED_10G |
> ETH_LINK_SPEED_40G;
> }
>
> static int
> diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c
> b/drivers/net/ixgbe/ixgbe_ethdev.c
> index a0179d2..a98e8eb 100644
> --- a/drivers/net/ixgbe/ixgbe_ethdev.c
> +++ b/drivers/net/ixgbe/ixgbe_ethdev.c
> @@ -2960,6 +2960,14 @@ ixgbe_dev_info_get(struct rte_eth_dev *dev, struct
> rte_eth_dev_info *dev_info)
> dev_info->hash_key_size = IXGBE_HKEY_MAX_INDEX * sizeof(uint32_t);
> dev_info->reta_size = ixgbe_reta_size_get(hw->mac.type);
> dev_info->flow_type_rss_offloads = IXGBE_RSS_OFFLOAD_ALL;
> +
> + dev_info->speed_capa = ETH_LINK_SPEED_1G | ETH_LINK_SPEED_10G;
> + if (hw->mac.type == ixgbe_mac_X540 ||
> + hw->mac.type == ixgbe_mac_X540_vf ||
> + hw->mac.type == ixgbe_mac_X550 ||
> + hw->mac.type == ixgbe_mac_X550_vf) {
> + dev_info->speed_capa |= ETH_LINK_SPEED_100M;
> + }
> }
>
> static const uint32_t *
> diff --git a/drivers/net/mlx4/mlx4.c b/drivers/net/mlx4/mlx4.c
> index f946f08..59ac423 100644
> --- a/drivers/net/mlx4/mlx4.c
> +++ b/drivers/net/mlx4/mlx4.c
> @@ -4313,6 +4313,12 @@ mlx4_dev_infos_get(struct rte_eth_dev *dev, struct
> rte_eth_dev_info *info)
> 0);
> if (priv_get_ifname(priv, &ifname) == 0)
> info->if_index = if_nametoindex(ifname);
> + info->speed_capa =
> + ETH_LINK_SPEED_1G |
> + ETH_LINK_SPEED_10G |
> + ETH_LINK_SPEED_20G |
> + ETH_LINK_SPEED_40G |
> + ETH_LINK_SPEED_56G;
> priv_unlock(priv);
> }
>
> diff --git a/drivers/net/mlx5/mlx5_ethdev.c
> b/drivers/net/mlx5/mlx5_ethdev.c
> index 58bfa16..d7a0eea 100644
> --- a/drivers/net/mlx5/mlx5_ethdev.c
> +++ b/drivers/net/mlx5/mlx5_ethdev.c
> @@ -559,6 +559,14 @@ mlx5_dev_infos_get(struct rte_eth_dev *dev, struct
> rte_eth_dev_info *info)
> * size if it is not fixed.
> * The API should be updated to solve this problem. */
> info->reta_size = priv->ind_table_max_size;
> + info->speed_capa =
> + ETH_LINK_SPEED_1G |
> + ETH_LINK_SPEED_10G |
> + ETH_LINK_SPEED_20G |
> + ETH_LINK_SPEED_25G |
> + ETH_LINK_SPEED_40G |
> + ETH_LINK_SPEED_50G |
> + ETH_LINK_SPEED_56G;
> priv_unlock(priv);
> }
>
> diff --git a/drivers/net/nfp/nfp_net.c b/drivers/net/nfp/nfp_net.c
> index 18ea0f4..bdeb21f 100644
> --- a/drivers/net/nfp/nfp_net.c
> +++ b/drivers/net/nfp/nfp_net.c
> @@ -1061,6 +1061,8 @@ nfp_net_infos_get(struct rte_eth_dev *dev, struct
> rte_eth_dev_info *dev_info)
>
> dev_info->reta_size = NFP_NET_CFG_RSS_ITBL_SZ;
> dev_info->hash_key_size = NFP_NET_CFG_RSS_KEY_SZ;
> +
> + dev_info->speed_capa = ETH_LINK_SPEED_50G;
> }
>
> static const uint32_t *
> diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h
> index bc7d607..49fdcb7 100644
> --- a/lib/librte_ether/rte_ethdev.h
> +++ b/lib/librte_ether/rte_ethdev.h
> @@ -242,6 +242,23 @@ struct rte_eth_stats {
> };
>
> /**
> + * Device supported speeds bitmap flags
> + */
> +#define ETH_LINK_SPEED_10M_HD (1 << 1) /**< 10 Mbps half-duplex */
> +#define ETH_LINK_SPEED_10M (1 << 2) /**< 10 Mbps full-duplex */
> +#define ETH_LINK_SPEED_100M_HD (1 << 3) /**< 100 Mbps half-duplex */
> +#define ETH_LINK_SPEED_100M (1 << 4) /**< 100 Mbps full-duplex */
> +#define ETH_LINK_SPEED_1G (1 << 5) /**< 1 Gbps */
> +#define ETH_LINK_SPEED_2_5G (1 << 6) /**< 2.5 Gbps */
> +#define ETH_LINK_SPEED_5G (1 << 7) /**< 5 Gbps */
> +#define ETH_LINK_SPEED_10G (1 << 8) /**< 10 Gbps */
> +#define ETH_LINK_SPEED_20G (1 << 9) /**< 20 Gbps */
> +#define ETH_LINK_SPEED_25G (1 << 10) /**< 25 Gbps */
> +#define ETH_LINK_SPEED_40G (1 << 11) /**< 40 Gbps */
> +#define ETH_LINK_SPEED_50G (1 << 12) /**< 50 Gbps */
> +#define ETH_LINK_SPEED_56G (1 << 13) /**< 56 Gbps */
> +
> +/**
> * Ethernet numeric link speeds in Mbps
> */
> #define ETH_LINK_SPEED_AUTONEG 0 /**< Auto-negotiate link speed. */
> @@ -850,6 +867,9 @@ struct rte_eth_conf {
> #define DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM 0x00000080 /**< Used for
> tunneling packet. */
> #define DEV_TX_OFFLOAD_QINQ_INSERT 0x00000100
>
> +/**
> + * Ethernet device information
> + */
> struct rte_eth_dev_info {
> struct rte_pci_device *pci_dev; /**< Device PCI information. */
> const char *driver_name; /**< Device Driver name. */
> @@ -878,6 +898,7 @@ struct rte_eth_dev_info {
> uint16_t vmdq_pool_base; /**< First ID of VMDQ pools. */
> struct rte_eth_desc_lim rx_desc_lim; /**< RX descriptors limits */
> struct rte_eth_desc_lim tx_desc_lim; /**< TX descriptors limits */
> + uint32_t speed_capa; /**< Supported speeds bitmap
> (ETH_LINK_SPEED_). */
> };
>
> /**
> --
> 2.1.4
>
>
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