Message ID | 20240906125706.46965-1-michal.swiatkowski@linux.intel.com (mailing list archive) |
---|---|
State | Awaiting Upstream |
Delegated to: | Netdev Maintainers |
Headers | show |
Series | [iwl-net,v1] ice: clear port vlan config during reset | expand |
On 06.09.2024 14:57, Michal Swiatkowski wrote: > Since commit 2a2cb4c6c181 ("ice: replace ice_vf_recreate_vsi() with > ice_vf_reconfig_vsi()") VF VSI is only reconfigured instead of > recreated. The context configuration from previous setting is still the > same. If any of the config needs to be cleared it needs to be cleared > explicitly. > > Previously there was assumption that port vlan will be cleared > automatically. Now, when VSI is only reconfigured we have to do it in the > code. > > Not clearing port vlan configuration leads to situation when the driver > VSI config is different than the VSI config in HW. Traffic can't be > passed after setting and clearing port vlan, because of invalid VSI > config in HW. > > Example reproduction: >> ip a a dev $(VF) $(VF_IP_ADDRESS) >> ip l s dev $(VF) up >> ping $(VF_IP_ADDRESS) > ping is working fine here >> ip link set eth5 vf 0 vlan 100 >> ip link set eth5 vf 0 vlan 0 >> ping $(VF_IP_ADDRESS) > ping isn't working > > Fixes: 2a2cb4c6c181 ("ice: replace ice_vf_recreate_vsi() with ice_vf_reconfig_vsi()") > Signed-off-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com> > --- Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com> > drivers/net/ethernet/intel/ice/ice_vf_lib.c | 7 +++ > .../net/ethernet/intel/ice/ice_vsi_vlan_lib.c | 57 +++++++++++++++++++ > .../net/ethernet/intel/ice/ice_vsi_vlan_lib.h | 1 + > 3 files changed, 65 insertions(+) > > diff --git a/drivers/net/ethernet/intel/ice/ice_vf_lib.c b/drivers/net/ethernet/intel/ice/ice_vf_lib.c > index 5635e9da2212..9fe2a309c5ff 100644 > --- a/drivers/net/ethernet/intel/ice/ice_vf_lib.c > +++ b/drivers/net/ethernet/intel/ice/ice_vf_lib.c > @@ -335,6 +335,13 @@ static int ice_vf_rebuild_host_vlan_cfg(struct ice_vf *vf, struct ice_vsi *vsi) > > err = vlan_ops->add_vlan(vsi, &vf->port_vlan_info); > } else { > + /* clear possible previous port vlan config */ > + err = ice_vsi_clear_port_vlan(vsi); > + if (err) { > + dev_err(dev, "failed to clear port VLAN via VSI parameters for VF %u, error %d\n", > + vf->vf_id, err); > + return err; > + } > err = ice_vsi_add_vlan_zero(vsi); > } > > diff --git a/drivers/net/ethernet/intel/ice/ice_vsi_vlan_lib.c b/drivers/net/ethernet/intel/ice/ice_vsi_vlan_lib.c > index 6e8f2aab6080..5291f2888ef8 100644 > --- a/drivers/net/ethernet/intel/ice/ice_vsi_vlan_lib.c > +++ b/drivers/net/ethernet/intel/ice/ice_vsi_vlan_lib.c > @@ -787,3 +787,60 @@ int ice_vsi_clear_outer_port_vlan(struct ice_vsi *vsi) > kfree(ctxt); > return err; > } > + > +int ice_vsi_clear_port_vlan(struct ice_vsi *vsi) > +{ > + struct ice_hw *hw = &vsi->back->hw; > + struct ice_vsi_ctx *ctxt; > + int err; > + > + ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL); > + if (!ctxt) > + return -ENOMEM; > + > + ctxt->info = vsi->info; > + > + ctxt->info.port_based_outer_vlan = 0; > + ctxt->info.port_based_inner_vlan = 0; > + > + ctxt->info.inner_vlan_flags = > + FIELD_PREP(ICE_AQ_VSI_INNER_VLAN_TX_MODE_M, > + ICE_AQ_VSI_INNER_VLAN_TX_MODE_ALL); > + if (ice_is_dvm_ena(hw)) { > + ctxt->info.inner_vlan_flags |= > + FIELD_PREP(ICE_AQ_VSI_INNER_VLAN_EMODE_M, > + ICE_AQ_VSI_INNER_VLAN_EMODE_NOTHING); > + ctxt->info.outer_vlan_flags = > + FIELD_PREP(ICE_AQ_VSI_OUTER_VLAN_TX_MODE_M, > + ICE_AQ_VSI_OUTER_VLAN_TX_MODE_ALL); > + ctxt->info.outer_vlan_flags |= > + FIELD_PREP(ICE_AQ_VSI_OUTER_TAG_TYPE_M, > + ICE_AQ_VSI_OUTER_TAG_VLAN_8100); > + ctxt->info.outer_vlan_flags |= > + ICE_AQ_VSI_OUTER_VLAN_EMODE_NOTHING << > + ICE_AQ_VSI_OUTER_VLAN_EMODE_S; > + } > + > + ctxt->info.sw_flags2 &= ~ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA; > + ctxt->info.valid_sections = > + cpu_to_le16(ICE_AQ_VSI_PROP_OUTER_TAG_VALID | > + ICE_AQ_VSI_PROP_VLAN_VALID | > + ICE_AQ_VSI_PROP_SW_VALID); > + > + err = ice_update_vsi(hw, vsi->idx, ctxt, NULL); > + if (err) { > + dev_err(ice_pf_to_dev(vsi->back), "update VSI for clearing port based VLAN failed, err %d aq_err %s\n", > + err, ice_aq_str(hw->adminq.sq_last_status)); > + } else { > + vsi->info.port_based_outer_vlan = > + ctxt->info.port_based_outer_vlan; > + vsi->info.port_based_inner_vlan = > + ctxt->info.port_based_inner_vlan; > + vsi->info.outer_vlan_flags = ctxt->info.outer_vlan_flags; > + vsi->info.inner_vlan_flags = ctxt->info.inner_vlan_flags; > + vsi->info.sw_flags2 = ctxt->info.sw_flags2; > + } > + > + kfree(ctxt); > + return err; > +} > diff --git a/drivers/net/ethernet/intel/ice/ice_vsi_vlan_lib.h b/drivers/net/ethernet/intel/ice/ice_vsi_vlan_lib.h > index f0d84d11bd5b..12b227621a7d 100644 > --- a/drivers/net/ethernet/intel/ice/ice_vsi_vlan_lib.h > +++ b/drivers/net/ethernet/intel/ice/ice_vsi_vlan_lib.h > @@ -36,5 +36,6 @@ int ice_vsi_ena_outer_insertion(struct ice_vsi *vsi, u16 tpid); > int ice_vsi_dis_outer_insertion(struct ice_vsi *vsi); > int ice_vsi_set_outer_port_vlan(struct ice_vsi *vsi, struct ice_vlan *vlan); > int ice_vsi_clear_outer_port_vlan(struct ice_vsi *vsi); > +int ice_vsi_clear_port_vlan(struct ice_vsi *vsi); > > #endif /* _ICE_VSI_VLAN_LIB_H_ */
> -----Original Message----- > From: Intel-wired-lan <intel-wired-lan-bounces@osuosl.org> On Behalf Of > Wojciech Drewek > Sent: Friday, September 6, 2024 3:12 PM > To: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>; intel-wired- > lan@lists.osuosl.org > Cc: netdev@vger.kernel.org > Subject: Re: [Intel-wired-lan] [iwl-net v1] ice: clear port vlan config during > reset > > > > On 06.09.2024 14:57, Michal Swiatkowski wrote: > > Since commit 2a2cb4c6c181 ("ice: replace ice_vf_recreate_vsi() with > > ice_vf_reconfig_vsi()") VF VSI is only reconfigured instead of > > recreated. The context configuration from previous setting is still > > the same. If any of the config needs to be cleared it needs to be > > cleared explicitly. > > > > Previously there was assumption that port vlan will be cleared > > automatically. Now, when VSI is only reconfigured we have to do it in > > the code. > > > > Not clearing port vlan configuration leads to situation when the > > driver VSI config is different than the VSI config in HW. Traffic > > can't be passed after setting and clearing port vlan, because of > > invalid VSI config in HW. > > > > Example reproduction: > >> ip a a dev $(VF) $(VF_IP_ADDRESS) > >> ip l s dev $(VF) up > >> ping $(VF_IP_ADDRESS) > > ping is working fine here > >> ip link set eth5 vf 0 vlan 100 > >> ip link set eth5 vf 0 vlan 0 > >> ping $(VF_IP_ADDRESS) > > ping isn't working > > > > Fixes: 2a2cb4c6c181 ("ice: replace ice_vf_recreate_vsi() with > > ice_vf_reconfig_vsi()") > > Signed-off-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com> > > --- > > Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com> > > > drivers/net/ethernet/intel/ice/ice_vf_lib.c | 7 +++ > > .../net/ethernet/intel/ice/ice_vsi_vlan_lib.c | 57 > > +++++++++++++++++++ .../net/ethernet/intel/ice/ice_vsi_vlan_lib.h | > > 1 + > > 3 files changed, 65 insertions(+) > > > > diff --git a/drivers/net/ethernet/intel/ice/ice_vf_lib.c > > b/drivers/net/ethernet/intel/ice/ice_vf_lib.c > > index 5635e9da2212..9fe2a309c5ff 100644 > > --- a/drivers/net/ethernet/intel/ice/ice_vf_lib.c > > +++ b/drivers/net/ethernet/intel/ice/ice_vf_lib.c > > @@ -335,6 +335,13 @@ static int ice_vf_rebuild_host_vlan_cfg(struct > > ice_vf *vf, struct ice_vsi *vsi) > > > > err = vlan_ops->add_vlan(vsi, &vf->port_vlan_info); > > } else { > > + /* clear possible previous port vlan config */ > > + err = ice_vsi_clear_port_vlan(vsi); > > + if (err) { > > + dev_err(dev, "failed to clear port VLAN via VSI > parameters for VF %u, error %d\n", > > + vf->vf_id, err); > > + return err; > > + } > > err = ice_vsi_add_vlan_zero(vsi); > > } > > > > diff --git a/drivers/net/ethernet/intel/ice/ice_vsi_vlan_lib.c > > b/drivers/net/ethernet/intel/ice/ice_vsi_vlan_lib.c > > index 6e8f2aab6080..5291f2888ef8 100644 > > --- a/drivers/net/ethernet/intel/ice/ice_vsi_vlan_lib.c > > +++ b/drivers/net/ethernet/intel/ice/ice_vsi_vlan_lib.c > > @@ -787,3 +787,60 @@ int ice_vsi_clear_outer_port_vlan(struct ice_vsi > *vsi) > > kfree(ctxt); > > return err; > > } > > + > > +int ice_vsi_clear_port_vlan(struct ice_vsi *vsi) { > > + struct ice_hw *hw = &vsi->back->hw; > > + struct ice_vsi_ctx *ctxt; > > + int err; > > + > > + ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL); > > + if (!ctxt) > > + return -ENOMEM; > > + > > + ctxt->info = vsi->info; > > + > > + ctxt->info.port_based_outer_vlan = 0; > > + ctxt->info.port_based_inner_vlan = 0; > > + > > + ctxt->info.inner_vlan_flags = > > + FIELD_PREP(ICE_AQ_VSI_INNER_VLAN_TX_MODE_M, > > + ICE_AQ_VSI_INNER_VLAN_TX_MODE_ALL); > > + if (ice_is_dvm_ena(hw)) { > > + ctxt->info.inner_vlan_flags |= > > + FIELD_PREP(ICE_AQ_VSI_INNER_VLAN_EMODE_M, > > + > ICE_AQ_VSI_INNER_VLAN_EMODE_NOTHING); > > + ctxt->info.outer_vlan_flags = > > + > FIELD_PREP(ICE_AQ_VSI_OUTER_VLAN_TX_MODE_M, > > + ICE_AQ_VSI_OUTER_VLAN_TX_MODE_ALL); > > + ctxt->info.outer_vlan_flags |= > > + FIELD_PREP(ICE_AQ_VSI_OUTER_TAG_TYPE_M, > > + ICE_AQ_VSI_OUTER_TAG_VLAN_8100); > > + ctxt->info.outer_vlan_flags |= > > + ICE_AQ_VSI_OUTER_VLAN_EMODE_NOTHING << > > + ICE_AQ_VSI_OUTER_VLAN_EMODE_S; > > + } > > + > > + ctxt->info.sw_flags2 &= > ~ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA; > > + ctxt->info.valid_sections = > > + cpu_to_le16(ICE_AQ_VSI_PROP_OUTER_TAG_VALID | > > + ICE_AQ_VSI_PROP_VLAN_VALID | > > + ICE_AQ_VSI_PROP_SW_VALID); > > + > > + err = ice_update_vsi(hw, vsi->idx, ctxt, NULL); > > + if (err) { > > + dev_err(ice_pf_to_dev(vsi->back), "update VSI for clearing > port based VLAN failed, err %d aq_err %s\n", > > + err, ice_aq_str(hw->adminq.sq_last_status)); > > + } else { > > + vsi->info.port_based_outer_vlan = > > + ctxt->info.port_based_outer_vlan; > > + vsi->info.port_based_inner_vlan = > > + ctxt->info.port_based_inner_vlan; > > + vsi->info.outer_vlan_flags = ctxt->info.outer_vlan_flags; > > + vsi->info.inner_vlan_flags = ctxt->info.inner_vlan_flags; > > + vsi->info.sw_flags2 = ctxt->info.sw_flags2; > > + } > > + > > + kfree(ctxt); > > + return err; > > +} > > diff --git a/drivers/net/ethernet/intel/ice/ice_vsi_vlan_lib.h > > b/drivers/net/ethernet/intel/ice/ice_vsi_vlan_lib.h > > index f0d84d11bd5b..12b227621a7d 100644 > > --- a/drivers/net/ethernet/intel/ice/ice_vsi_vlan_lib.h > > +++ b/drivers/net/ethernet/intel/ice/ice_vsi_vlan_lib.h > > @@ -36,5 +36,6 @@ int ice_vsi_ena_outer_insertion(struct ice_vsi *vsi, > > u16 tpid); int ice_vsi_dis_outer_insertion(struct ice_vsi *vsi); int > > ice_vsi_set_outer_port_vlan(struct ice_vsi *vsi, struct ice_vlan > > *vlan); int ice_vsi_clear_outer_port_vlan(struct ice_vsi *vsi); > > +int ice_vsi_clear_port_vlan(struct ice_vsi *vsi); > > > > #endif /* _ICE_VSI_VLAN_LIB_H_ */ Tested-by: Piotr Tyda <piotr.tyda@intel.com>
diff --git a/drivers/net/ethernet/intel/ice/ice_vf_lib.c b/drivers/net/ethernet/intel/ice/ice_vf_lib.c index 5635e9da2212..9fe2a309c5ff 100644 --- a/drivers/net/ethernet/intel/ice/ice_vf_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_vf_lib.c @@ -335,6 +335,13 @@ static int ice_vf_rebuild_host_vlan_cfg(struct ice_vf *vf, struct ice_vsi *vsi) err = vlan_ops->add_vlan(vsi, &vf->port_vlan_info); } else { + /* clear possible previous port vlan config */ + err = ice_vsi_clear_port_vlan(vsi); + if (err) { + dev_err(dev, "failed to clear port VLAN via VSI parameters for VF %u, error %d\n", + vf->vf_id, err); + return err; + } err = ice_vsi_add_vlan_zero(vsi); } diff --git a/drivers/net/ethernet/intel/ice/ice_vsi_vlan_lib.c b/drivers/net/ethernet/intel/ice/ice_vsi_vlan_lib.c index 6e8f2aab6080..5291f2888ef8 100644 --- a/drivers/net/ethernet/intel/ice/ice_vsi_vlan_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_vsi_vlan_lib.c @@ -787,3 +787,60 @@ int ice_vsi_clear_outer_port_vlan(struct ice_vsi *vsi) kfree(ctxt); return err; } + +int ice_vsi_clear_port_vlan(struct ice_vsi *vsi) +{ + struct ice_hw *hw = &vsi->back->hw; + struct ice_vsi_ctx *ctxt; + int err; + + ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL); + if (!ctxt) + return -ENOMEM; + + ctxt->info = vsi->info; + + ctxt->info.port_based_outer_vlan = 0; + ctxt->info.port_based_inner_vlan = 0; + + ctxt->info.inner_vlan_flags = + FIELD_PREP(ICE_AQ_VSI_INNER_VLAN_TX_MODE_M, + ICE_AQ_VSI_INNER_VLAN_TX_MODE_ALL); + if (ice_is_dvm_ena(hw)) { + ctxt->info.inner_vlan_flags |= + FIELD_PREP(ICE_AQ_VSI_INNER_VLAN_EMODE_M, + ICE_AQ_VSI_INNER_VLAN_EMODE_NOTHING); + ctxt->info.outer_vlan_flags = + FIELD_PREP(ICE_AQ_VSI_OUTER_VLAN_TX_MODE_M, + ICE_AQ_VSI_OUTER_VLAN_TX_MODE_ALL); + ctxt->info.outer_vlan_flags |= + FIELD_PREP(ICE_AQ_VSI_OUTER_TAG_TYPE_M, + ICE_AQ_VSI_OUTER_TAG_VLAN_8100); + ctxt->info.outer_vlan_flags |= + ICE_AQ_VSI_OUTER_VLAN_EMODE_NOTHING << + ICE_AQ_VSI_OUTER_VLAN_EMODE_S; + } + + ctxt->info.sw_flags2 &= ~ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA; + ctxt->info.valid_sections = + cpu_to_le16(ICE_AQ_VSI_PROP_OUTER_TAG_VALID | + ICE_AQ_VSI_PROP_VLAN_VALID | + ICE_AQ_VSI_PROP_SW_VALID); + + err = ice_update_vsi(hw, vsi->idx, ctxt, NULL); + if (err) { + dev_err(ice_pf_to_dev(vsi->back), "update VSI for clearing port based VLAN failed, err %d aq_err %s\n", + err, ice_aq_str(hw->adminq.sq_last_status)); + } else { + vsi->info.port_based_outer_vlan = + ctxt->info.port_based_outer_vlan; + vsi->info.port_based_inner_vlan = + ctxt->info.port_based_inner_vlan; + vsi->info.outer_vlan_flags = ctxt->info.outer_vlan_flags; + vsi->info.inner_vlan_flags = ctxt->info.inner_vlan_flags; + vsi->info.sw_flags2 = ctxt->info.sw_flags2; + } + + kfree(ctxt); + return err; +} diff --git a/drivers/net/ethernet/intel/ice/ice_vsi_vlan_lib.h b/drivers/net/ethernet/intel/ice/ice_vsi_vlan_lib.h index f0d84d11bd5b..12b227621a7d 100644 --- a/drivers/net/ethernet/intel/ice/ice_vsi_vlan_lib.h +++ b/drivers/net/ethernet/intel/ice/ice_vsi_vlan_lib.h @@ -36,5 +36,6 @@ int ice_vsi_ena_outer_insertion(struct ice_vsi *vsi, u16 tpid); int ice_vsi_dis_outer_insertion(struct ice_vsi *vsi); int ice_vsi_set_outer_port_vlan(struct ice_vsi *vsi, struct ice_vlan *vlan); int ice_vsi_clear_outer_port_vlan(struct ice_vsi *vsi); +int ice_vsi_clear_port_vlan(struct ice_vsi *vsi); #endif /* _ICE_VSI_VLAN_LIB_H_ */