diff options
| author |   Damian Dybek <damian.dybek@intel.com> | 2018-12-19 06:45:38 -0800 |
|---|---|---|
| committer |   Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2019-01-22 07:38:38 -0800 |
| commit | 1d96340196f1ee9e60eb39c828ba1186dfabe08a (patch) | |
| tree | b85ac8668c196a273a473bb47dfba294cd5b75d9 /drivers/net/ethernet/intel/i40e/i40e_main.c | |
| parent | i40e: Limiting RSS queues to CPUs (diff) | |
| download | linux-dev-1d96340196f1ee9e60eb39c828ba1186dfabe08a.tar.xz linux-dev-1d96340196f1ee9e60eb39c828ba1186dfabe08a.zip | |
i40e: Add support FEC configuration for Fortville 25G
This patch adds support for setting/getting FEC configuration
using ethtool options:
set/show-priv-flags rs-fec/base-r-fec
set/show-fec off/rs/baser/auto for kernels version >= 4.14
Signed-off-by: Damian Dybek <damian.dybek@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/i40e/i40e_main.c')
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_main.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index b5311846573e..94122dff77d3 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -13861,6 +13861,29 @@ static void i40e_get_platform_mac_addr(struct pci_dev *pdev, struct i40e_pf *pf) } /** + * i40e_set_fec_in_flags - helper function for setting FEC options in flags + * @fec_cfg: FEC option to set in flags + * @flags: ptr to flags in which we set FEC option + **/ +void i40e_set_fec_in_flags(u8 fec_cfg, u32 *flags) +{ + if (fec_cfg & I40E_AQ_SET_FEC_AUTO) + *flags |= I40E_FLAG_RS_FEC | I40E_FLAG_BASE_R_FEC; + if ((fec_cfg & I40E_AQ_SET_FEC_REQUEST_RS) || + (fec_cfg & I40E_AQ_SET_FEC_ABILITY_RS)) { + *flags |= I40E_FLAG_RS_FEC; + *flags &= ~I40E_FLAG_BASE_R_FEC; + } + if ((fec_cfg & I40E_AQ_SET_FEC_REQUEST_KR) || + (fec_cfg & I40E_AQ_SET_FEC_ABILITY_KR)) { + *flags |= I40E_FLAG_BASE_R_FEC; + *flags &= ~I40E_FLAG_RS_FEC; + } + if (fec_cfg == 0) + *flags &= ~(I40E_FLAG_RS_FEC | I40E_FLAG_BASE_R_FEC); +} + +/** * i40e_probe - Device initialization routine * @pdev: PCI device information struct * @ent: entry in i40e_pci_tbl @@ -14351,6 +14374,9 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) i40e_aq_str(&pf->hw, pf->hw.aq.asq_last_status)); pf->hw.phy.link_info.requested_speeds = abilities.link_speed; + /* set the FEC config due to the board capabilities */ + i40e_set_fec_in_flags(abilities.fec_cfg_curr_mod_ext_info, &pf->flags); + /* get the supported phy types from the fw */ err = i40e_aq_get_phy_capabilities(hw, false, true, &abilities, NULL); if (err) |