Add ixgbe MDIO access APIs to read and write PHY registers when being used as a backplane port. Export these APIs via the map file
Signed-off-by: Shweta Choudaha <[email protected]> Reviewed-by: Chas Williams <[email protected]> Reviewed-by: Luca Boccassi <[email protected]> --- drivers/net/ixgbe/rte_pmd_ixgbe.c | 53 +++++++++++++++++++++++++++++ drivers/net/ixgbe/rte_pmd_ixgbe.h | 39 +++++++++++++++++++++ drivers/net/ixgbe/rte_pmd_ixgbe_version.map | 7 ++++ 3 files changed, 99 insertions(+) diff --git a/drivers/net/ixgbe/rte_pmd_ixgbe.c b/drivers/net/ixgbe/rte_pmd_ixgbe.c index f127378..34d8cb4 100644 --- a/drivers/net/ixgbe/rte_pmd_ixgbe.c +++ b/drivers/net/ixgbe/rte_pmd_ixgbe.c @@ -1041,3 +1041,56 @@ rte_pmd_ixgbe_bypass_wd_reset(uint16_t port_id) return ixgbe_bypass_wd_reset(dev); } #endif + +static void rte_pmd_ixgbe_get_hw_phy(uint16_t port, struct ixgbe_hw **hw, + struct ixgbe_phy_info **phy) +{ + struct rte_eth_dev *dev; + + *hw = NULL; + *phy = NULL; + + dev = &rte_eth_devices[port]; + if (!is_ixgbe_supported(dev)) + return; + + *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private); + if (!*hw) + return; + + *phy = &(*hw)->phy; +} + +int +rte_pmd_ixgbe_mdio_read(uint16_t port, uint32_t reg_addr, + uint32_t dev_type, uint16_t *phy_data) +{ + struct ixgbe_hw *hw; + struct ixgbe_phy_info *phy; + + RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV); + + rte_pmd_ixgbe_get_hw_phy(port, &hw, &phy); + + if (!hw || !phy) + return -ENOTSUP; + + return phy->ops.read_reg_mdi(hw, reg_addr, dev_type, phy_data); +} + +int +rte_pmd_ixgbe_mdio_write(uint16_t port, uint32_t reg_addr, + uint32_t dev_type, uint16_t phy_data) +{ + struct ixgbe_hw *hw; + struct ixgbe_phy_info *phy; + + RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV); + + rte_pmd_ixgbe_get_hw_phy(port, &hw, &phy); + + if (!hw || !phy) + return -ENOTSUP; + + return phy->ops.write_reg_mdi(hw, reg_addr, dev_type, phy_data); +} diff --git a/drivers/net/ixgbe/rte_pmd_ixgbe.h b/drivers/net/ixgbe/rte_pmd_ixgbe.h index 81b18f8..5d36f8a 100644 --- a/drivers/net/ixgbe/rte_pmd_ixgbe.h +++ b/drivers/net/ixgbe/rte_pmd_ixgbe.h @@ -601,6 +601,45 @@ int rte_pmd_ixgbe_bypass_wd_timeout_show(uint16_t port, uint32_t *wd_timeout); */ int rte_pmd_ixgbe_bypass_wd_reset(uint16_t port); +/** + * Read PHY register using MDIO + * + * @param port + * The port identifier of the Ethernet device. + * @param reg_addr + * 32 bit PHY Register + * @param dev_type + * Always Unused + * @param phy_data + * Pointer for reading PHY register data + * @return + * - (0) if successful. + * - (-ENOTSUP) if hardware doesn't support. + * - (-ENODEV) if *port* invalid. + */ +int +rte_pmd_ixgbe_mdio_read(uint16_t port, uint32_t reg_addr, + uint32_t dev_type, uint16_t *phy_data); + +/** + * Write data to PHY register using MDIO + * + * @param port + * The port identifier of the Ethernet device. + * @param reg_addr + * 32 bit PHY Register + * @param dev_type + * Always unused + * @param phy_data + * Data to write to PHY register + * @return + * - (0) if successful. + * - (-ENOTSUP) if hardware doesn't support. + * - (-ENODEV) if *port* invalid. + */ +int +rte_pmd_ixgbe_mdio_write(uint16_t port, uint32_t reg_addr, + uint32_t dev_type, uint16_t phy_data); /** * Response sent back to ixgbe driver from user app after callback diff --git a/drivers/net/ixgbe/rte_pmd_ixgbe_version.map b/drivers/net/ixgbe/rte_pmd_ixgbe_version.map index bf77674..b4d5983 100644 --- a/drivers/net/ixgbe/rte_pmd_ixgbe_version.map +++ b/drivers/net/ixgbe/rte_pmd_ixgbe_version.map @@ -52,3 +52,10 @@ DPDK_17.08 { rte_pmd_ixgbe_bypass_wd_timeout_show; rte_pmd_ixgbe_bypass_wd_timeout_store; } DPDK_17.05; + +EXPERIMENTAL { + global: + + rte_pmd_ixgbe_mdio_read; + rte_pmd_ixgbe_mdio_write; +} DPDK_17.11; -- 2.1.4
