diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_eswitch.c')
-rw-r--r-- | drivers/net/ethernet/intel/ice/ice_eswitch.c | 353 |
1 files changed, 203 insertions, 150 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_eswitch.c b/drivers/net/ethernet/intel/ice/ice_eswitch.c index d1d7389b0bff..f9f15acae90a 100644 --- a/drivers/net/ethernet/intel/ice/ice_eswitch.c +++ b/drivers/net/ethernet/intel/ice/ice_eswitch.c @@ -10,6 +10,101 @@ #include "ice_tc_lib.h" /** + * ice_eswitch_add_vf_mac_rule - add adv rule with VF's MAC + * @pf: pointer to PF struct + * @vf: pointer to VF struct + * @mac: VF's MAC address + * + * This function adds advanced rule that forwards packets with + * VF's MAC address (src MAC) to the corresponding switchdev ctrl VSI queue. + */ +int +ice_eswitch_add_vf_mac_rule(struct ice_pf *pf, struct ice_vf *vf, const u8 *mac) +{ + struct ice_vsi *ctrl_vsi = pf->switchdev.control_vsi; + struct ice_adv_rule_info rule_info = { 0 }; + struct ice_adv_lkup_elem *list; + struct ice_hw *hw = &pf->hw; + const u16 lkups_cnt = 1; + int err; + + list = kcalloc(lkups_cnt, sizeof(*list), GFP_ATOMIC); + if (!list) + return -ENOMEM; + + list[0].type = ICE_MAC_OFOS; + ether_addr_copy(list[0].h_u.eth_hdr.src_addr, mac); + eth_broadcast_addr(list[0].m_u.eth_hdr.src_addr); + + rule_info.sw_act.flag |= ICE_FLTR_TX; + rule_info.sw_act.vsi_handle = ctrl_vsi->idx; + rule_info.sw_act.fltr_act = ICE_FWD_TO_Q; + rule_info.rx = false; + rule_info.sw_act.fwd_id.q_id = hw->func_caps.common_cap.rxq_first_id + + ctrl_vsi->rxq_map[vf->vf_id]; + rule_info.flags_info.act |= ICE_SINGLE_ACT_LB_ENABLE; + rule_info.flags_info.act_valid = true; + rule_info.tun_type = ICE_SW_TUN_AND_NON_TUN; + + err = ice_add_adv_rule(hw, list, lkups_cnt, &rule_info, + vf->repr->mac_rule); + if (err) + dev_err(ice_pf_to_dev(pf), "Unable to add VF mac rule in switchdev mode for VF %d", + vf->vf_id); + else + vf->repr->rule_added = true; + + kfree(list); + return err; +} + +/** + * ice_eswitch_replay_vf_mac_rule - replay adv rule with VF's MAC + * @vf: pointer to vF struct + * + * This function replays VF's MAC rule after reset. + */ +void ice_eswitch_replay_vf_mac_rule(struct ice_vf *vf) +{ + int err; + + if (!ice_is_switchdev_running(vf->pf)) + return; + + if (is_valid_ether_addr(vf->hw_lan_addr.addr)) { + err = ice_eswitch_add_vf_mac_rule(vf->pf, vf, + vf->hw_lan_addr.addr); + if (err) { + dev_err(ice_pf_to_dev(vf->pf), "Failed to add MAC %pM for VF %d\n, error %d\n", + vf->hw_lan_addr.addr, vf->vf_id, err); + return; + } + vf->num_mac++; + + ether_addr_copy(vf->dev_lan_addr.addr, vf->hw_lan_addr.addr); + } +} + +/** + * ice_eswitch_del_vf_mac_rule - delete adv rule with VF's MAC + * @vf: pointer to the VF struct + * + * Delete the advanced rule that was used to forward packets with the VF's MAC + * address (src MAC) to the corresponding switchdev ctrl VSI queue. + */ +void ice_eswitch_del_vf_mac_rule(struct ice_vf *vf) +{ + if (!ice_is_switchdev_running(vf->pf)) + return; + + if (!vf->repr->rule_added) + return; + + ice_rem_adv_rule_by_id(&vf->pf->hw, vf->repr->mac_rule); + vf->repr->rule_added = false; +} + +/** * ice_eswitch_setup_env - configure switchdev HW filters * @pf: pointer to PF struct * @@ -21,10 +116,12 @@ static int ice_eswitch_setup_env(struct ice_pf *pf) struct ice_vsi *uplink_vsi = pf->switchdev.uplink_vsi; struct net_device *uplink_netdev = uplink_vsi->netdev; struct ice_vsi *ctrl_vsi = pf->switchdev.control_vsi; - struct ice_port_info *pi = pf->hw.port_info; + struct ice_vsi_vlan_ops *vlan_ops; bool rule_added = false; - ice_vsi_manage_vlan_stripping(ctrl_vsi, false); + vlan_ops = ice_get_compat_vsi_vlan_ops(ctrl_vsi); + if (vlan_ops->dis_stripping(ctrl_vsi)) + return -ENODEV; ice_remove_vsi_fltr(&pf->hw, uplink_vsi->idx); @@ -33,40 +130,28 @@ static int ice_eswitch_setup_env(struct ice_pf *pf) __dev_mc_unsync(uplink_netdev, NULL); netif_addr_unlock_bh(uplink_netdev); - if (ice_vsi_add_vlan(uplink_vsi, 0, ICE_FWD_TO_VSI)) + if (ice_vsi_add_vlan_zero(uplink_vsi)) goto err_def_rx; - if (!ice_is_dflt_vsi_in_use(uplink_vsi->vsw)) { - if (ice_set_dflt_vsi(uplink_vsi->vsw, uplink_vsi)) + if (!ice_is_dflt_vsi_in_use(uplink_vsi->port_info)) { + if (ice_set_dflt_vsi(uplink_vsi)) goto err_def_rx; rule_added = true; } - if (ice_cfg_dflt_vsi(pi->hw, ctrl_vsi->idx, true, ICE_FLTR_TX)) - goto err_def_tx; - if (ice_vsi_update_security(uplink_vsi, ice_vsi_ctx_set_allow_override)) goto err_override_uplink; if (ice_vsi_update_security(ctrl_vsi, ice_vsi_ctx_set_allow_override)) goto err_override_control; - if (ice_fltr_update_flags_dflt_rule(ctrl_vsi, pi->dflt_tx_vsi_rule_id, - ICE_FLTR_TX, - ICE_SINGLE_ACT_LB_ENABLE)) - goto err_update_action; - return 0; -err_update_action: - ice_vsi_update_security(ctrl_vsi, ice_vsi_ctx_clear_allow_override); err_override_control: ice_vsi_update_security(uplink_vsi, ice_vsi_ctx_clear_allow_override); err_override_uplink: - ice_cfg_dflt_vsi(pi->hw, ctrl_vsi->idx, false, ICE_FLTR_TX); -err_def_tx: if (rule_added) - ice_clear_dflt_vsi(uplink_vsi->vsw); + ice_clear_dflt_vsi(uplink_vsi); err_def_rx: ice_fltr_add_mac_and_broadcast(uplink_vsi, uplink_vsi->port_info->mac.perm_addr, @@ -91,10 +176,20 @@ static void ice_eswitch_remap_rings_to_vectors(struct ice_pf *pf) int q_id; ice_for_each_txq(vsi, q_id) { - struct ice_repr *repr = pf->vf[q_id].repr; - struct ice_q_vector *q_vector = repr->q_vector; - struct ice_tx_ring *tx_ring = vsi->tx_rings[q_id]; - struct ice_rx_ring *rx_ring = vsi->rx_rings[q_id]; + struct ice_q_vector *q_vector; + struct ice_tx_ring *tx_ring; + struct ice_rx_ring *rx_ring; + struct ice_repr *repr; + struct ice_vf *vf; + + vf = ice_get_vf_by_id(pf, q_id); + if (WARN_ON(!vf)) + continue; + + repr = vf->repr; + q_vector = repr->q_vector; + tx_ring = vsi->tx_rings[q_id]; + rx_ring = vsi->rx_rings[q_id]; q_vector->vsi = vsi; q_vector->reg_idx = vsi->q_vectors[0]->reg_idx; @@ -114,6 +209,38 @@ static void ice_eswitch_remap_rings_to_vectors(struct ice_pf *pf) rx_ring->q_vector = q_vector; rx_ring->next = NULL; rx_ring->netdev = repr->netdev; + + ice_put_vf(vf); + } +} + +/** + * ice_eswitch_release_reprs - clear PR VSIs configuration + * @pf: poiner to PF struct + * @ctrl_vsi: pointer to switchdev control VSI + */ +static void +ice_eswitch_release_reprs(struct ice_pf *pf, struct ice_vsi *ctrl_vsi) +{ + struct ice_vf *vf; + unsigned int bkt; + + lockdep_assert_held(&pf->vfs.table_lock); + + ice_for_each_vf(pf, bkt, vf) { + struct ice_vsi *vsi = vf->repr->src_vsi; + + /* Skip VFs that aren't configured */ + if (!vf->repr->dst) + continue; + + ice_vsi_update_security(vsi, ice_vsi_ctx_set_antispoof); + metadata_dst_free(vf->repr->dst); + vf->repr->dst = NULL; + ice_fltr_add_mac_and_broadcast(vsi, vf->hw_lan_addr.addr, + ICE_FWD_TO_VSI); + + netif_napi_del(&vf->repr->q_vector->napi); } } @@ -125,11 +252,13 @@ static int ice_eswitch_setup_reprs(struct ice_pf *pf) { struct ice_vsi *ctrl_vsi = pf->switchdev.control_vsi; int max_vsi_num = 0; - int i; + struct ice_vf *vf; + unsigned int bkt; + + lockdep_assert_held(&pf->vfs.table_lock); - ice_for_each_vf(pf, i) { - struct ice_vsi *vsi = pf->vf[i].repr->src_vsi; - struct ice_vf *vf = &pf->vf[i]; + ice_for_each_vf(pf, bkt, vf) { + struct ice_vsi *vsi = vf->repr->src_vsi; ice_remove_vsi_fltr(&pf->hw, vsi->idx); vf->repr->dst = metadata_dst_alloc(0, METADATA_HW_PORT_MUX, @@ -146,14 +275,16 @@ static int ice_eswitch_setup_reprs(struct ice_pf *pf) vf->hw_lan_addr.addr, ICE_FWD_TO_VSI); metadata_dst_free(vf->repr->dst); + vf->repr->dst = NULL; goto err; } - if (ice_vsi_add_vlan(vsi, 0, ICE_FWD_TO_VSI)) { + if (ice_vsi_add_vlan_zero(vsi)) { ice_fltr_add_mac_and_broadcast(vsi, vf->hw_lan_addr.addr, ICE_FWD_TO_VSI); metadata_dst_free(vf->repr->dst); + vf->repr->dst = NULL; ice_vsi_update_security(vsi, ice_vsi_ctx_set_antispoof); goto err; } @@ -161,27 +292,17 @@ static int ice_eswitch_setup_reprs(struct ice_pf *pf) if (max_vsi_num < vsi->vsi_num) max_vsi_num = vsi->vsi_num; - netif_napi_add(vf->repr->netdev, &vf->repr->q_vector->napi, ice_napi_poll, - NAPI_POLL_WEIGHT); + netif_napi_add(vf->repr->netdev, &vf->repr->q_vector->napi, + ice_napi_poll); netif_keep_dst(vf->repr->netdev); } - kfree(ctrl_vsi->target_netdevs); - - ctrl_vsi->target_netdevs = kcalloc(max_vsi_num + 1, - sizeof(*ctrl_vsi->target_netdevs), - GFP_KERNEL); - if (!ctrl_vsi->target_netdevs) - goto err; - - ice_for_each_vf(pf, i) { - struct ice_repr *repr = pf->vf[i].repr; + ice_for_each_vf(pf, bkt, vf) { + struct ice_repr *repr = vf->repr; struct ice_vsi *vsi = repr->src_vsi; struct metadata_dst *dst; - ctrl_vsi->target_netdevs[vsi->vsi_num] = repr->netdev; - dst = repr->dst; dst->u.port_info.port_id = vsi->vsi_num; dst->u.port_info.lower_dev = repr->netdev; @@ -191,44 +312,12 @@ static int ice_eswitch_setup_reprs(struct ice_pf *pf) return 0; err: - for (i = i - 1; i >= 0; i--) { - struct ice_vsi *vsi = pf->vf[i].repr->src_vsi; - struct ice_vf *vf = &pf->vf[i]; - - ice_vsi_update_security(vsi, ice_vsi_ctx_set_antispoof); - metadata_dst_free(vf->repr->dst); - ice_fltr_add_mac_and_broadcast(vsi, vf->hw_lan_addr.addr, - ICE_FWD_TO_VSI); - } + ice_eswitch_release_reprs(pf, ctrl_vsi); return -ENODEV; } /** - * ice_eswitch_release_reprs - clear PR VSIs configuration - * @pf: poiner to PF struct - * @ctrl_vsi: pointer to switchdev control VSI - */ -static void -ice_eswitch_release_reprs(struct ice_pf *pf, struct ice_vsi *ctrl_vsi) -{ - int i; - - kfree(ctrl_vsi->target_netdevs); - ice_for_each_vf(pf, i) { - struct ice_vsi *vsi = pf->vf[i].repr->src_vsi; - struct ice_vf *vf = &pf->vf[i]; - - ice_vsi_update_security(vsi, ice_vsi_ctx_set_antispoof); - metadata_dst_free(vf->repr->dst); - ice_fltr_add_mac_and_broadcast(vsi, vf->hw_lan_addr.addr, - ICE_FWD_TO_VSI); - - netif_napi_del(&vf->repr->q_vector->napi); - } -} - -/** * ice_eswitch_update_repr - reconfigure VF port representor * @vsi: VF VSI for which port representor is configured */ @@ -242,7 +331,7 @@ void ice_eswitch_update_repr(struct ice_vsi *vsi) if (!ice_is_switchdev_running(pf)) return; - vf = &pf->vf[vsi->vf_id]; + vf = vsi->vf; repr = vf->repr; repr->src_vsi = vsi; repr->dst->u.port_info.port_id = vsi->vsi_num; @@ -250,7 +339,8 @@ void ice_eswitch_update_repr(struct ice_vsi *vsi) ret = ice_vsi_update_security(vsi, ice_vsi_ctx_clear_antispoof); if (ret) { ice_fltr_add_mac_and_broadcast(vsi, vf->hw_lan_addr.addr, ICE_FWD_TO_VSI); - dev_err(ice_pf_to_dev(pf), "Failed to update VF %d port representor", vsi->vf_id); + dev_err(ice_pf_to_dev(pf), "Failed to update VF %d port representor", + vsi->vf->vf_id); } } @@ -271,7 +361,8 @@ ice_eswitch_port_start_xmit(struct sk_buff *skb, struct net_device *netdev) np = netdev_priv(netdev); vsi = np->vsi; - if (ice_is_reset_in_progress(vsi->back->state)) + if (ice_is_reset_in_progress(vsi->back->state) || + test_bit(ICE_VF_DIS, vsi->back->state)) return NETDEV_TX_BUSY; repr = ice_netdev_to_repr(netdev); @@ -320,8 +411,7 @@ static void ice_eswitch_release_env(struct ice_pf *pf) ice_vsi_update_security(ctrl_vsi, ice_vsi_ctx_clear_allow_override); ice_vsi_update_security(uplink_vsi, ice_vsi_ctx_clear_allow_override); - ice_cfg_dflt_vsi(&pf->hw, ctrl_vsi->idx, false, ICE_FLTR_TX); - ice_clear_dflt_vsi(uplink_vsi->vsw); + ice_clear_dflt_vsi(uplink_vsi); ice_fltr_add_mac_and_broadcast(uplink_vsi, uplink_vsi->port_info->mac.perm_addr, ICE_FWD_TO_VSI); @@ -335,7 +425,7 @@ static void ice_eswitch_release_env(struct ice_pf *pf) static struct ice_vsi * ice_eswitch_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi) { - return ice_vsi_setup(pf, pi, ICE_VSI_SWITCHDEV_CTRL, ICE_INVAL_VFID, NULL); + return ice_vsi_setup(pf, pi, ICE_VSI_SWITCHDEV_CTRL, NULL, NULL); } /** @@ -344,10 +434,13 @@ ice_eswitch_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi) */ static void ice_eswitch_napi_del(struct ice_pf *pf) { - int i; + struct ice_vf *vf; + unsigned int bkt; - ice_for_each_vf(pf, i) - netif_napi_del(&pf->vf[i].repr->q_vector->napi); + lockdep_assert_held(&pf->vfs.table_lock); + + ice_for_each_vf(pf, bkt, vf) + netif_napi_del(&vf->repr->q_vector->napi); } /** @@ -356,10 +449,13 @@ static void ice_eswitch_napi_del(struct ice_pf *pf) */ static void ice_eswitch_napi_enable(struct ice_pf *pf) { - int i; + struct ice_vf *vf; + unsigned int bkt; + + lockdep_assert_held(&pf->vfs.table_lock); - ice_for_each_vf(pf, i) - napi_enable(&pf->vf[i].repr->q_vector->napi); + ice_for_each_vf(pf, bkt, vf) + napi_enable(&vf->repr->q_vector->napi); } /** @@ -368,28 +464,13 @@ static void ice_eswitch_napi_enable(struct ice_pf *pf) */ static void ice_eswitch_napi_disable(struct ice_pf *pf) { - int i; - - ice_for_each_vf(pf, i) - napi_disable(&pf->vf[i].repr->q_vector->napi); -} - -/** - * ice_eswitch_set_rxdid - configure rxdid on all Rx queues from VSI - * @vsi: VSI to setup rxdid on - * @rxdid: flex descriptor id - */ -static void ice_eswitch_set_rxdid(struct ice_vsi *vsi, u32 rxdid) -{ - struct ice_hw *hw = &vsi->back->hw; - int i; + struct ice_vf *vf; + unsigned int bkt; - ice_for_each_rxq(vsi, i) { - struct ice_rx_ring *ring = vsi->rx_rings[i]; - u16 pf_q = vsi->rxq_map[ring->q_index]; + lockdep_assert_held(&pf->vfs.table_lock); - ice_write_qrxflxp_cntxt(hw, pf_q, rxdid, 0x3, true); - } + ice_for_each_vf(pf, bkt, vf) + napi_disable(&vf->repr->q_vector->napi); } /** @@ -425,8 +506,6 @@ static int ice_eswitch_enable_switchdev(struct ice_pf *pf) ice_eswitch_napi_enable(pf); - ice_eswitch_set_rxdid(ctrl_vsi, ICE_RXDID_FLEX_NIC_2); - return 0; err_setup_reprs: @@ -448,6 +527,7 @@ static void ice_eswitch_disable_switchdev(struct ice_pf *pf) ice_eswitch_napi_disable(pf); ice_eswitch_release_env(pf); + ice_rem_adv_rule_for_vsi(&pf->hw, ctrl_vsi->idx); ice_eswitch_release_reprs(pf, ctrl_vsi); ice_vsi_release(ctrl_vsi); ice_repr_rem_from_all_vfs(pf); @@ -468,7 +548,7 @@ ice_eswitch_mode_set(struct devlink *devlink, u16 mode, if (pf->eswitch_mode == mode) return 0; - if (pf->num_alloc_vfs) { + if (ice_has_vfs(pf)) { dev_info(ice_pf_to_dev(pf), "Changing eswitch mode is allowed only if there is no VFs created"); NL_SET_ERR_MSG_MOD(extack, "Changing eswitch mode is allowed only if there is no VFs created"); return -EOPNOTSUPP; @@ -497,34 +577,6 @@ ice_eswitch_mode_set(struct devlink *devlink, u16 mode, } /** - * ice_eswitch_get_target_netdev - return port representor netdev - * @rx_ring: pointer to Rx ring - * @rx_desc: pointer to Rx descriptor - * - * When working in switchdev mode context (when control VSI is used), this - * function returns netdev of appropriate port representor. For non-switchdev - * context, regular netdev associated with Rx ring is returned. - */ -struct net_device * -ice_eswitch_get_target_netdev(struct ice_rx_ring *rx_ring, - union ice_32b_rx_flex_desc *rx_desc) -{ - struct ice_32b_rx_flex_desc_nic_2 *desc; - struct ice_vsi *vsi = rx_ring->vsi; - struct ice_vsi *control_vsi; - u16 target_vsi_id; - - control_vsi = vsi->back->switchdev.control_vsi; - if (vsi != control_vsi) - return rx_ring->netdev; - - desc = (struct ice_32b_rx_flex_desc_nic_2 *)rx_desc; - target_vsi_id = le16_to_cpu(desc->src_vsi); - - return vsi->target_netdevs[target_vsi_id]; -} - -/** * ice_eswitch_mode_get - get current eswitch mode * @devlink: pointer to devlink structure * @mode: output parameter for current eswitch mode @@ -587,16 +639,17 @@ int ice_eswitch_configure(struct ice_pf *pf) */ static void ice_eswitch_start_all_tx_queues(struct ice_pf *pf) { - struct ice_repr *repr; - int i; + struct ice_vf *vf; + unsigned int bkt; + + lockdep_assert_held(&pf->vfs.table_lock); if (test_bit(ICE_DOWN, pf->state)) return; - ice_for_each_vf(pf, i) { - repr = pf->vf[i].repr; - if (repr) - ice_repr_start_tx_queues(repr); + ice_for_each_vf(pf, bkt, vf) { + if (vf->repr) + ice_repr_start_tx_queues(vf->repr); } } @@ -606,16 +659,17 @@ static void ice_eswitch_start_all_tx_queues(struct ice_pf *pf) */ void ice_eswitch_stop_all_tx_queues(struct ice_pf *pf) { - struct ice_repr *repr; - int i; + struct ice_vf *vf; + unsigned int bkt; + + lockdep_assert_held(&pf->vfs.table_lock); if (test_bit(ICE_DOWN, pf->state)) return; - ice_for_each_vf(pf, i) { - repr = pf->vf[i].repr; - if (repr) - ice_repr_stop_tx_queues(repr); + ice_for_each_vf(pf, bkt, vf) { + if (vf->repr) + ice_repr_stop_tx_queues(vf->repr); } } @@ -648,7 +702,6 @@ int ice_eswitch_rebuild(struct ice_pf *pf) return status; ice_eswitch_napi_enable(pf); - ice_eswitch_set_rxdid(ctrl_vsi, ICE_RXDID_FLEX_NIC_2); ice_eswitch_start_all_tx_queues(pf); return 0; |