| Message ID | 20240119211517.127142-1-david.m.ertman@intel.com (mailing list archive) |
|---|---|
| State | Awaiting Upstream |
| Delegated to: | Netdev Maintainers |
| Headers | show |
| Series | [iwl-net] ice: Add check for lport extraction to LAG init | expand |
On 19.01.2024 22:15, Dave Ertman wrote: > To fully support initializing the LAG support code, a DDP package that > extracts the logical port from the metadata is required. If such a > package is not present, there could be difficulties in supporting some > bond types. > > Add a check into the initialization flow that will bypass the new paths > if any of the support pieces are missing. > > Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com> Reviewed-by: Marcin Szycik <marcin.szycik@linux.intel.com> > Fixes: df006dd4b1dc ("ice: Add initial support framework for LAG") > Signed-off-by: Dave Ertman <david.m.ertman@intel.com> > --- > drivers/net/ethernet/intel/ice/ice_lag.c | 25 ++++++++++++++++++++++-- > drivers/net/ethernet/intel/ice/ice_lag.h | 3 +++ > 2 files changed, 26 insertions(+), 2 deletions(-) > > diff --git a/drivers/net/ethernet/intel/ice/ice_lag.c b/drivers/net/ethernet/intel/ice/ice_lag.c > index 2a25323105e5..467372d541d2 100644 > --- a/drivers/net/ethernet/intel/ice/ice_lag.c > +++ b/drivers/net/ethernet/intel/ice/ice_lag.c > @@ -151,6 +151,27 @@ ice_lag_find_hw_by_lport(struct ice_lag *lag, u8 lport) > return NULL; > } > > +/** > + * ice_pkg_has_lport_extract - check if lport extraction supported > + * @hw: HW struct > + */ > +static bool ice_pkg_has_lport_extract(struct ice_hw *hw) > +{ > + int i; > + > + for (i = 0; i < hw->blk[ICE_BLK_SW].es.count; i++) { > + u16 offset; > + u8 fv_prot; > + > + ice_find_prot_off(hw, ICE_BLK_SW, ICE_SW_DEFAULT_PROFILE, i, > + &fv_prot, &offset); > + if (fv_prot == ICE_FV_PROT_MDID && > + offset == ICE_LP_EXT_BUF_OFFSET) > + return true; > + } > + return false; > +} > + > /** > * ice_lag_find_primary - returns pointer to primary interfaces lag struct > * @lag: local interfaces lag struct > @@ -1206,7 +1227,7 @@ static void ice_lag_del_prune_list(struct ice_lag *lag, struct ice_pf *event_pf) > } > > /** > - * ice_lag_init_feature_support_flag - Check for NVM support for LAG > + * ice_lag_init_feature_support_flag - Check for package and NVM support for LAG > * @pf: PF struct > */ > static void ice_lag_init_feature_support_flag(struct ice_pf *pf) > @@ -1219,7 +1240,7 @@ static void ice_lag_init_feature_support_flag(struct ice_pf *pf) > else > ice_clear_feature_support(pf, ICE_F_ROCE_LAG); > > - if (caps->sriov_lag) > + if (caps->sriov_lag && ice_pkg_has_lport_extract(&pf->hw)) > ice_set_feature_support(pf, ICE_F_SRIOV_LAG); > else > ice_clear_feature_support(pf, ICE_F_SRIOV_LAG); > diff --git a/drivers/net/ethernet/intel/ice/ice_lag.h b/drivers/net/ethernet/intel/ice/ice_lag.h > index ede833dfa658..183b38792ef2 100644 > --- a/drivers/net/ethernet/intel/ice/ice_lag.h > +++ b/drivers/net/ethernet/intel/ice/ice_lag.h > @@ -17,6 +17,9 @@ enum ice_lag_role { > #define ICE_LAG_INVALID_PORT 0xFF > > #define ICE_LAG_RESET_RETRIES 5 > +#define ICE_SW_DEFAULT_PROFILE 0 > +#define ICE_FV_PROT_MDID 255 > +#define ICE_LP_EXT_BUF_OFFSET 32 > > struct ice_pf; > struct ice_vf;
On Fri, Jan 19, 2024 at 01:15:17PM -0800, Dave Ertman wrote: > To fully support initializing the LAG support code, a DDP package that > extracts the logical port from the metadata is required. If such a > package is not present, there could be difficulties in supporting some > bond types. > > Add a check into the initialization flow that will bypass the new paths > if any of the support pieces are missing. > > Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com> > Fixes: df006dd4b1dc ("ice: Add initial support framework for LAG") > Signed-off-by: Dave Ertman <david.m.ertman@intel.com> Reviewed-by: Simon Horman <horms@kernel.org>
> -----Original Message----- > From: Intel-wired-lan <intel-wired-lan-bounces@osuosl.org> On Behalf Of > Dave Ertman > Sent: Saturday, January 20, 2024 2:45 AM > To: intel-wired-lan@lists.osuosl.org > Cc: netdev@vger.kernel.org; Kitszel, Przemyslaw > <przemyslaw.kitszel@intel.com> > Subject: [Intel-wired-lan] [PATCH iwl-net] ice: Add check for lport extraction > to LAG init > > To fully support initializing the LAG support code, a DDP package that > extracts the logical port from the metadata is required. If such a package is > not present, there could be difficulties in supporting some bond types. > > Add a check into the initialization flow that will bypass the new paths if any > of the support pieces are missing. > > Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com> > Fixes: df006dd4b1dc ("ice: Add initial support framework for LAG") > Signed-off-by: Dave Ertman <david.m.ertman@intel.com> > --- > drivers/net/ethernet/intel/ice/ice_lag.c | 25 ++++++++++++++++++++++-- > drivers/net/ethernet/intel/ice/ice_lag.h | 3 +++ > 2 files changed, 26 insertions(+), 2 deletions(-) > Tested-by: Sujai Buvaneswaran <sujai.buvaneswaran@intel.com>
> -----Original Message----- > From: Intel-wired-lan <intel-wired-lan-bounces@osuosl.org> On Behalf Of Dave Ertman > Sent: Saturday, January 20, 2024 2:45 AM > To: intel-wired-lan@lists.osuosl.org > Cc: netdev@vger.kernel.org; Kitszel, Przemyslaw <przemyslaw.kitszel@intel.com> > Subject: [Intel-wired-lan] [PATCH iwl-net] ice: Add check for lport extraction to LAG init > > To fully support initializing the LAG support code, a DDP package that > extracts the logical port from the metadata is required. If such a > package is not present, there could be difficulties in supporting some > bond types. > > Add a check into the initialization flow that will bypass the new paths > if any of the support pieces are missing. > > Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com> > Fixes: df006dd4b1dc ("ice: Add initial support framework for LAG") > Signed-off-by: Dave Ertman <david.m.ertman@intel.com> > --- > drivers/net/ethernet/intel/ice/ice_lag.c | 25 ++++++++++++++++++++++-- > drivers/net/ethernet/intel/ice/ice_lag.h | 3 +++ > 2 files changed, 26 insertions(+), 2 deletions(-) > Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
diff --git a/drivers/net/ethernet/intel/ice/ice_lag.c b/drivers/net/ethernet/intel/ice/ice_lag.c index 2a25323105e5..467372d541d2 100644 --- a/drivers/net/ethernet/intel/ice/ice_lag.c +++ b/drivers/net/ethernet/intel/ice/ice_lag.c @@ -151,6 +151,27 @@ ice_lag_find_hw_by_lport(struct ice_lag *lag, u8 lport) return NULL; } +/** + * ice_pkg_has_lport_extract - check if lport extraction supported + * @hw: HW struct + */ +static bool ice_pkg_has_lport_extract(struct ice_hw *hw) +{ + int i; + + for (i = 0; i < hw->blk[ICE_BLK_SW].es.count; i++) { + u16 offset; + u8 fv_prot; + + ice_find_prot_off(hw, ICE_BLK_SW, ICE_SW_DEFAULT_PROFILE, i, + &fv_prot, &offset); + if (fv_prot == ICE_FV_PROT_MDID && + offset == ICE_LP_EXT_BUF_OFFSET) + return true; + } + return false; +} + /** * ice_lag_find_primary - returns pointer to primary interfaces lag struct * @lag: local interfaces lag struct @@ -1206,7 +1227,7 @@ static void ice_lag_del_prune_list(struct ice_lag *lag, struct ice_pf *event_pf) } /** - * ice_lag_init_feature_support_flag - Check for NVM support for LAG + * ice_lag_init_feature_support_flag - Check for package and NVM support for LAG * @pf: PF struct */ static void ice_lag_init_feature_support_flag(struct ice_pf *pf) @@ -1219,7 +1240,7 @@ static void ice_lag_init_feature_support_flag(struct ice_pf *pf) else ice_clear_feature_support(pf, ICE_F_ROCE_LAG); - if (caps->sriov_lag) + if (caps->sriov_lag && ice_pkg_has_lport_extract(&pf->hw)) ice_set_feature_support(pf, ICE_F_SRIOV_LAG); else ice_clear_feature_support(pf, ICE_F_SRIOV_LAG); diff --git a/drivers/net/ethernet/intel/ice/ice_lag.h b/drivers/net/ethernet/intel/ice/ice_lag.h index ede833dfa658..183b38792ef2 100644 --- a/drivers/net/ethernet/intel/ice/ice_lag.h +++ b/drivers/net/ethernet/intel/ice/ice_lag.h @@ -17,6 +17,9 @@ enum ice_lag_role { #define ICE_LAG_INVALID_PORT 0xFF #define ICE_LAG_RESET_RETRIES 5 +#define ICE_SW_DEFAULT_PROFILE 0 +#define ICE_FV_PROT_MDID 255 +#define ICE_LP_EXT_BUF_OFFSET 32 struct ice_pf; struct ice_vf;