diff options
Diffstat (limited to 'drivers/net/ethernet/sfc/efx_devlink.c')
| -rw-r--r-- | drivers/net/ethernet/sfc/efx_devlink.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/drivers/net/ethernet/sfc/efx_devlink.c b/drivers/net/ethernet/sfc/efx_devlink.c index 01e75eb244e3..0af25dca7b53 100644 --- a/drivers/net/ethernet/sfc/efx_devlink.c +++ b/drivers/net/ethernet/sfc/efx_devlink.c @@ -9,6 +9,7 @@ */ #include "net_driver.h" +#include "ef100_nic.h" #include "efx_devlink.h" #include <linux/rtc.h> #include "mcdi.h" @@ -58,6 +59,56 @@ static int efx_devlink_add_port(struct efx_nic *efx, return devl_port_register(efx->devlink, &mport->dl_port, mport->mport_id); } + +static int efx_devlink_port_addr_get(struct devlink_port *port, u8 *hw_addr, + int *hw_addr_len, + struct netlink_ext_ack *extack) +{ + struct efx_devlink *devlink = devlink_priv(port->devlink); + struct mae_mport_desc *mport_desc; + efx_qword_t pciefn; + u32 client_id; + int rc = 0; + + mport_desc = container_of(port, struct mae_mport_desc, dl_port); + + if (!ef100_mport_on_local_intf(devlink->efx, mport_desc)) { + rc = -EINVAL; + NL_SET_ERR_MSG_FMT(extack, + "Port not on local interface (mport: %u)", + mport_desc->mport_id); + goto out; + } + + if (ef100_mport_is_vf(mport_desc)) + EFX_POPULATE_QWORD_3(pciefn, + PCIE_FUNCTION_PF, PCIE_FUNCTION_PF_NULL, + PCIE_FUNCTION_VF, mport_desc->vf_idx, + PCIE_FUNCTION_INTF, PCIE_INTERFACE_CALLER); + else + EFX_POPULATE_QWORD_3(pciefn, + PCIE_FUNCTION_PF, mport_desc->pf_idx, + PCIE_FUNCTION_VF, PCIE_FUNCTION_VF_NULL, + PCIE_FUNCTION_INTF, PCIE_INTERFACE_CALLER); + + rc = efx_ef100_lookup_client_id(devlink->efx, pciefn, &client_id); + if (rc) { + NL_SET_ERR_MSG_FMT(extack, + "No internal client_ID for port (mport: %u)", + mport_desc->mport_id); + goto out; + } + + rc = ef100_get_mac_address(devlink->efx, hw_addr, client_id, true); + if (rc != 0) + NL_SET_ERR_MSG_FMT(extack, + "No available MAC for port (mport: %u)", + mport_desc->mport_id); +out: + *hw_addr_len = ETH_ALEN; + return rc; +} + #endif static int efx_devlink_info_nvram_partition(struct efx_nic *efx, @@ -514,6 +565,9 @@ static int efx_devlink_info_get(struct devlink *devlink, static const struct devlink_ops sfc_devlink_ops = { .info_get = efx_devlink_info_get, +#ifdef CONFIG_SFC_SRIOV + .port_function_hw_addr_get = efx_devlink_port_addr_get, +#endif }; #ifdef CONFIG_SFC_SRIOV |