| Message ID | 20180122170039.14144-6-alice.michael@intel.com |
|---|---|
| State | Accepted |
| Delegated to: | Jeff Kirsher |
| Headers | show |
| Series | [next,S86-V2,1/8] i40e: don't leak memory addresses | expand |
> -----Original Message----- > From: Intel-wired-lan [mailto:intel-wired-lan-bounces@osuosl.org] On > Behalf Of Alice Michael > Sent: Monday, January 22, 2018 9:01 AM > To: Michael, Alice <alice.michael@intel.com>; intel-wired- > lan@lists.osuosl.org > Subject: [Intel-wired-lan] [next PATCH S86-V2 6/8] i40e: i40e: Change ethtool > check from MAC to HW flag > > From: Dave Ertman <david.m.ertman@intel.com> > > The MAC, FW Version and NPAR check used to determine if shutting off the > FW LLDP engine is supported is not using the usual feature check mechanism. > > This patch fixes the problem by moving the feature check to i40e_sw_init in > order to set a flag in pf->hw_features that ethtool will use for priv_flags > disable operation. > > Signed-off-by: Dave Ertman <david.m.ertman@intel.com> > --- > drivers/net/ethernet/intel/i40e/i40e.h | 1 + > drivers/net/ethernet/intel/i40e/i40e_ethtool.c | 12 ++---------- > drivers/net/ethernet/intel/i40e/i40e_main.c | 10 ++++++++++ > 3 files changed, 13 insertions(+), 10 deletions(-) Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h index 4b81a18..36d9401 100644 --- a/drivers/net/ethernet/intel/i40e/i40e.h +++ b/drivers/net/ethernet/intel/i40e/i40e.h @@ -507,6 +507,7 @@ struct i40e_pf { #define I40E_HW_STOP_FW_LLDP BIT(16) #define I40E_HW_PORT_ID_VALID BIT(17) #define I40E_HW_RESTART_AUTONEG BIT(18) +#define I40E_HW_STOPPABLE_FW_LLDP BIT(19) u64 flags; #define I40E_FLAG_RX_CSUM_ENABLED BIT_ULL(0) diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c index abc057c..c3e4767 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c +++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c @@ -4428,17 +4428,9 @@ static int i40e_set_priv_flags(struct net_device *dev, u32 flags) * unsupported FW verions. */ if (changed_flags & I40E_FLAG_DISABLE_FW_LLDP) { - if (pf->hw.func_caps.npar_enable) { + if (!(pf->hw_features & I40E_HW_STOPPABLE_FW_LLDP)) { dev_warn(&pf->pdev->dev, - "Unable to change FW LLDP if NPAR active\n"); - return -EOPNOTSUPP; - } - - if (pf->hw.aq.api_maj_ver < 1 || - (pf->hw.aq.api_maj_ver == 1 && - pf->hw.aq.api_min_ver < 7)) { - dev_warn(&pf->pdev->dev, - "FW ver does not support changing FW LLDP\n"); + "Device does not support changing FW LLDP\n"); return -EOPNOTSUPP; } } diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 357fb8f..7e7296a 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -11153,6 +11153,16 @@ static int i40e_sw_init(struct i40e_pf *pf) /* IWARP needs one extra vector for CQP just like MISC.*/ pf->num_iwarp_msix = (int)num_online_cpus() + 1; } + /* Stopping the FW LLDP engine is only supported on the + * XL710 with a FW ver >= 1.7. Also, stopping FW LLDP + * engine is not supported if NPAR is functioning on this + * part + */ + if (pf->hw.mac.type == I40E_MAC_XL710 && + !pf->hw.func_caps.npar_enable && + (pf->hw.aq.api_maj_ver > 1 || + (pf->hw.aq.api_maj_ver == 1 && pf->hw.aq.api_min_ver > 6))) + pf->hw_features |= I40E_HW_STOPPABLE_FW_LLDP; #ifdef CONFIG_PCI_IOV if (pf->hw.func_caps.num_vfs && pf->hw.partition_id == 1) {