diff options
Diffstat (limited to 'drivers/net/ethernet')
27 files changed, 530 insertions, 133 deletions
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c index 24122ccda614..81b3756417ec 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c @@ -298,13 +298,14 @@ bool aq_ring_tx_clean(struct aq_ring_s *self) } } - if (unlikely(buff->is_eop)) { + if (unlikely(buff->is_eop && buff->skb)) { u64_stats_update_begin(&self->stats.tx.syncp); ++self->stats.tx.packets; self->stats.tx.bytes += buff->skb->len; u64_stats_update_end(&self->stats.tx.syncp); dev_kfree_skb_any(buff->skb); + buff->skb = NULL; } buff->pa = 0U; buff->eop_index = 0xffffU; diff --git a/drivers/net/ethernet/asix/ax88796c_spi.c b/drivers/net/ethernet/asix/ax88796c_spi.c index 94df4f96d2be..0710e716d682 100644 --- a/drivers/net/ethernet/asix/ax88796c_spi.c +++ b/drivers/net/ethernet/asix/ax88796c_spi.c @@ -34,7 +34,7 @@ int axspi_read_status(struct axspi_data *ax_spi, struct spi_status *status) /* OP */ ax_spi->cmd_buf[0] = AX_SPICMD_READ_STATUS; - ret = spi_write_then_read(ax_spi->spi, ax_spi->cmd_buf, 1, (u8 *)&status, 3); + ret = spi_write_then_read(ax_spi->spi, ax_spi->cmd_buf, 1, (u8 *)status, 3); if (ret) dev_err(&ax_spi->spi->dev, "%s() failed: ret = %d\n", __func__, ret); else diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c index 64479c464b4e..ae9cca768d74 100644 --- a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c @@ -3196,6 +3196,7 @@ static int cxgb4vf_pci_probe(struct pci_dev *pdev, } if (adapter->registered_device_map == 0) { dev_err(&pdev->dev, "could not register any net devices\n"); + err = -EINVAL; goto err_disable_interrupts; } diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c index 67364ab63a1f..081295bff765 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c @@ -1081,7 +1081,8 @@ static void hns3_dump_page_pool_info(struct hns3_enet_ring *ring, u32 j = 0; sprintf(result[j++], "%u", index); - sprintf(result[j++], "%u", ring->page_pool->pages_state_hold_cnt); + sprintf(result[j++], "%u", + READ_ONCE(ring->page_pool->pages_state_hold_cnt)); sprintf(result[j++], "%u", atomic_read(&ring->page_pool->pages_state_release_cnt)); sprintf(result[j++], "%u", ring->page_pool->p.pool_size); @@ -1106,6 +1107,11 @@ hns3_dbg_page_pool_info(struct hnae3_handle *h, char *buf, int len) return -EFAULT; } + if (!priv->ring[h->kinfo.num_tqps].page_pool) { + dev_err(&h->pdev->dev, "page pool is not initialized\n"); + return -EFAULT; + } + for (i = 0; i < ARRAY_SIZE(page_pool_info_items); i++) result[i] = &data_str[i][0]; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c index c8442b86df94..c9b4568d7a8d 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c @@ -987,6 +987,7 @@ static int hns3_set_reset(struct net_device *netdev, u32 *flags) struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); const struct hnae3_ae_ops *ops = h->ae_algo->ops; const struct hns3_reset_type_map *rst_type_map; + enum ethtool_reset_flags rst_flags; u32 i, size; if (ops->ae_dev_resetting && ops->ae_dev_resetting(h)) @@ -1006,6 +1007,7 @@ static int hns3_set_reset(struct net_device *netdev, u32 *flags) for (i = 0; i < size; i++) { if (rst_type_map[i].rst_flags == *flags) { rst_type = rst_type_map[i].rst_type; + rst_flags = rst_type_map[i].rst_flags; break; } } @@ -1021,6 +1023,8 @@ static int hns3_set_reset(struct net_device *netdev, u32 *flags) ops->reset_event(h->pdev, h); + *flags &= ~rst_flags; + return 0; } diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c index 25c419d40066..41afaeea881b 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c @@ -703,9 +703,9 @@ static int hclgevf_set_rss_tc_mode(struct hclgevf_dev *hdev, u16 rss_size) roundup_size = ilog2(roundup_size); for (i = 0; i < HCLGEVF_MAX_TC_NUM; i++) { - tc_valid[i] = !!(hdev->hw_tc_map & BIT(i)); + tc_valid[i] = 1; tc_size[i] = roundup_size; - tc_offset[i] = rss_size * i; + tc_offset[i] = (hdev->hw_tc_map & BIT(i)) ? rss_size * i : 0; } hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_RSS_TC_MODE, false); diff --git a/drivers/net/ethernet/intel/iavf/iavf.h b/drivers/net/ethernet/intel/iavf/iavf.h index 75635bd57cf6..3789269ce741 100644 --- a/drivers/net/ethernet/intel/iavf/iavf.h +++ b/drivers/net/ethernet/intel/iavf/iavf.h @@ -305,6 +305,7 @@ struct iavf_adapter { #define IAVF_FLAG_AQ_DEL_FDIR_FILTER BIT(26) #define IAVF_FLAG_AQ_ADD_ADV_RSS_CFG BIT(27) #define IAVF_FLAG_AQ_DEL_ADV_RSS_CFG BIT(28) +#define IAVF_FLAG_AQ_REQUEST_STATS BIT(29) /* OS defined structs */ struct net_device *netdev; @@ -444,6 +445,7 @@ int iavf_up(struct iavf_adapter *adapter); void iavf_down(struct iavf_adapter *adapter); int iavf_process_config(struct iavf_adapter *adapter); void iavf_schedule_reset(struct iavf_adapter *adapter); +void iavf_schedule_request_stats(struct iavf_adapter *adapter); void iavf_reset(struct iavf_adapter *adapter); void iavf_set_ethtool_ops(struct net_device *netdev); void iavf_update_stats(struct iavf_adapter *adapter); @@ -501,4 +503,5 @@ void iavf_add_adv_rss_cfg(struct iavf_adapter *adapter); void iavf_del_adv_rss_cfg(struct iavf_adapter *adapter); struct iavf_mac_filter *iavf_add_filter(struct iavf_adapter *adapter, const u8 *macaddr); +int iavf_lock_timeout(struct mutex *lock, unsigned int msecs); #endif /* _IAVF_H_ */ diff --git a/drivers/net/ethernet/intel/iavf/iavf_ethtool.c b/drivers/net/ethernet/intel/iavf/iavf_ethtool.c index 144a77679359..0cecaff38d04 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_ethtool.c +++ b/drivers/net/ethernet/intel/iavf/iavf_ethtool.c @@ -354,6 +354,9 @@ static void iavf_get_ethtool_stats(struct net_device *netdev, struct iavf_adapter *adapter = netdev_priv(netdev); unsigned int i; + /* Explicitly request stats refresh */ + iavf_schedule_request_stats(adapter); + iavf_add_ethtool_stats(&data, adapter, iavf_gstrings_stats); rcu_read_lock(); @@ -723,12 +726,31 @@ static int iavf_get_per_queue_coalesce(struct net_device *netdev, u32 queue, * * Change the ITR settings for a specific queue. **/ -static void iavf_set_itr_per_queue(struct iavf_adapter *adapter, - struct ethtool_coalesce *ec, int queue) +static int iavf_set_itr_per_queue(struct iavf_adapter *adapter, + struct ethtool_coalesce *ec, int queue) { struct iavf_ring *rx_ring = &adapter->rx_rings[queue]; struct iavf_ring *tx_ring = &adapter->tx_rings[queue]; struct iavf_q_vector *q_vector; + u16 itr_setting; + + itr_setting = rx_ring->itr_setting & ~IAVF_ITR_DYNAMIC; + + if (ec->rx_coalesce_usecs != itr_setting && + ec->use_adaptive_rx_coalesce) { + netif_info(adapter, drv, adapter->netdev, + "Rx interrupt throttling cannot be changed if adaptive-rx is enabled\n"); + return -EINVAL; + } + + itr_setting = tx_ring->itr_setting & ~IAVF_ITR_DYNAMIC; + + if (ec->tx_coalesce_usecs != itr_setting && + ec->use_adaptive_tx_coalesce) { + netif_info(adapter, drv, adapter->netdev, + "Tx interrupt throttling cannot be changed if adaptive-tx is enabled\n"); + return -EINVAL; + } rx_ring->itr_setting = ITR_REG_ALIGN(ec->rx_coalesce_usecs); tx_ring->itr_setting = ITR_REG_ALIGN(ec->tx_coalesce_usecs); @@ -751,6 +773,7 @@ static void iavf_set_itr_per_queue(struct iavf_adapter *adapter, * the Tx and Rx ITR values based on the values we have entered * into the q_vector, no need to write the values now. */ + return 0; } /** @@ -792,9 +815,11 @@ static int __iavf_set_coalesce(struct net_device *netdev, */ if (queue < 0) { for (i = 0; i < adapter->num_active_queues; i++) - iavf_set_itr_per_queue(adapter, ec, i); + if (iavf_set_itr_per_queue(adapter, ec, i)) + return -EINVAL; } else if (queue < adapter->num_active_queues) { - iavf_set_itr_per_queue(adapter, ec, queue); + if (iavf_set_itr_per_queue(adapter, ec, queue)) + return -EINVAL; } else { netif_info(adapter, drv, netdev, "Invalid queue value, queue range is 0 - %d\n", adapter->num_active_queues - 1); diff --git a/drivers/net/ethernet/intel/iavf/iavf_main.c b/drivers/net/ethernet/intel/iavf/iavf_main.c index 336e6bf95e48..14934a7a13ef 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_main.c +++ b/drivers/net/ethernet/intel/iavf/iavf_main.c @@ -147,7 +147,7 @@ enum iavf_status iavf_free_virt_mem_d(struct iavf_hw *hw, * * Returns 0 on success, negative on failure **/ -static int iavf_lock_timeout(struct mutex *lock, unsigned int msecs) +int iavf_lock_timeout(struct mutex *lock, unsigned int msecs) { unsigned int wait, delay = 10; @@ -175,6 +175,19 @@ void iavf_schedule_reset(struct iavf_adapter *adapter) } /** + * iavf_schedule_request_stats - Set the flags and schedule statistics request + * @adapter: board private structure + * + * Sets IAVF_FLAG_AQ_REQUEST_STATS flag so iavf_watchdog_task() will explicitly + * request and refresh ethtool stats + **/ +void iavf_schedule_request_stats(struct iavf_adapter *adapter) +{ + adapter->aq_required |= IAVF_FLAG_AQ_REQUEST_STATS; + mod_delayed_work(iavf_wq, &adapter->watchdog_task, 0); +} + +/** * iavf_tx_timeout - Respond to a Tx Hang * @netdev: network interface device structure * @txqueue: queue number that is timing out @@ -704,13 +717,11 @@ static void iavf_del_vlan(struct iavf_adapter *adapter, u16 vlan) **/ static void iavf_restore_filters(struct iavf_adapter *adapter) { - /* re-add all VLAN filters */ - if (VLAN_ALLOWED(adapter)) { - u16 vid; + u16 vid; - for_each_set_bit(vid, adapter->vsi.active_vlans, VLAN_N_VID) - iavf_add_vlan(adapter, vid); - } + /* re-add all VLAN filters */ + for_each_set_bit(vid, adapter->vsi.active_vlans, VLAN_N_VID) + iavf_add_vlan(adapter, vid); } /** @@ -745,9 +756,6 @@ static int iavf_vlan_rx_kill_vid(struct net_device *netdev, { struct iavf_adapter *adapter = netdev_priv(netdev); - if (!VLAN_ALLOWED(adapter)) - return -EIO; - iavf_del_vlan(adapter, vid); clear_bit(vid, adapter->vsi.active_vlans); @@ -1709,6 +1717,11 @@ static int iavf_process_aq_command(struct iavf_adapter *adapter) iavf_del_adv_rss_cfg(adapter); return 0; } + if (adapter->aq_required & IAVF_FLAG_AQ_REQUEST_STATS) { + iavf_request_stats(adapter); + return 0; + } + return -EAGAIN; } @@ -2173,7 +2186,6 @@ static void iavf_reset_task(struct work_struct *work) struct net_device *netdev = adapter->netdev; struct iavf_hw *hw = &adapter->hw; struct iavf_mac_filter *f, *ftmp; - struct iavf_vlan_filter *vlf; struct iavf_cloud_filter *cf; u32 reg_val; int i = 0, err; @@ -2254,6 +2266,7 @@ continue_reset: (adapter->state == __IAVF_RESETTING)); if (running) { + netdev->flags &= ~IFF_UP; netif_carrier_off(netdev); netif_tx_stop_all_queues(netdev); adapter->link_up = false; @@ -2313,11 +2326,6 @@ continue_reset: list_for_each_entry(f, &adapter->mac_filter_list, list) { f->add = true; } - /* re-add all VLAN filters */ - list_for_each_entry(vlf, &adapter->vlan_filter_list, list) { - vlf->add = true; - } - spin_unlock_bh(&adapter->mac_vlan_list_lock); /* check if TCs are running and re-add all cloud filters */ @@ -2331,7 +2339,6 @@ continue_reset: spin_unlock_bh(&adapter->cloud_filter_list_lock); adapter->aq_required |= IAVF_FLAG_AQ_ADD_MAC_FILTER; - adapter->aq_required |= IAVF_FLAG_AQ_ADD_VLAN_FILTER; adapter->aq_required |= IAVF_FLAG_AQ_ADD_CLOUD_FILTER; iavf_misc_irq_enable(adapter); @@ -2365,7 +2372,7 @@ continue_reset: * to __IAVF_RUNNING */ iavf_up_complete(adapter); - + netdev->flags |= IFF_UP; iavf_irq_enable(adapter, true); } else { iavf_change_state(adapter, __IAVF_DOWN); @@ -2378,8 +2385,10 @@ continue_reset: reset_err: mutex_unlock(&adapter->client_lock); mutex_unlock(&adapter->crit_lock); - if (running) + if (running) { iavf_change_state(adapter, __IAVF_RUNNING); + netdev->flags |= IFF_UP; + } dev_err(&adapter->pdev->dev, "failed to allocate resources during reinit\n"); iavf_close(netdev); } @@ -3441,11 +3450,16 @@ static int iavf_set_features(struct net_device *netdev, { struct iavf_adapter *adapter = netdev_priv(netdev); - /* Don't allow changing VLAN_RX flag when adapter is not capable - * of VLAN offload + /* Don't allow enabling VLAN features when adapter is not capable + * of VLAN offload/filtering */ if (!VLAN_ALLOWED(adapter)) { - if ((netdev->features ^ features) & NETIF_F_HW_VLAN_CTAG_RX) + netdev->hw_features &= ~(NETIF_F_HW_VLAN_CTAG_RX | + NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_CTAG_FILTER); + if (features & (NETIF_F_HW_VLAN_CTAG_RX | + NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_CTAG_FILTER)) return -EINVAL; } else if ((netdev->features ^ features) & NETIF_F_HW_VLAN_CTAG_RX) { if (features & NETIF_F_HW_VLAN_CTAG_RX) diff --git a/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c b/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c index 8c3f0f77cb57..d60bf7c21200 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c +++ b/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c @@ -607,7 +607,7 @@ void iavf_add_vlans(struct iavf_adapter *adapter) if (f->add) count++; } - if (!count) { + if (!count || !VLAN_ALLOWED(adapter)) { adapter->aq_required &= ~IAVF_FLAG_AQ_ADD_VLAN_FILTER; spin_unlock_bh(&adapter->mac_vlan_list_lock); return; @@ -673,9 +673,19 @@ void iavf_del_vlans(struct iavf_adapter *adapter) spin_lock_bh(&adapter->mac_vlan_list_lock); - list_for_each_entry(f, &adapter->vlan_filter_list, list) { - if (f->remove) + list_for_each_entry_safe(f, ftmp, &adapter->vlan_filter_list, list) { + /* since VLAN capabilities are not allowed, we dont want to send + * a VLAN delete request because it will most likely fail and + * create unnecessary errors/noise, so just free the VLAN + * filters marked for removal to enable bailing out before + * sending a virtchnl message + */ + if (f->remove && !VLAN_ALLOWED(adapter)) { + list_del(&f->list); + kfree(f); + } else if (f->remove) { count++; + } } if (!count) { adapter->aq_required &= ~IAVF_FLAG_AQ_DEL_VLAN_FILTER; @@ -784,6 +794,8 @@ void iavf_request_stats(struct iavf_adapter *adapter) /* no error message, this isn't crucial */ return; } + + adapter->aq_required &= ~IAVF_FLAG_AQ_REQUEST_STATS; adapter->current_op = VIRTCHNL_OP_GET_STATS; vqs.vsi_id = adapter->vsi_res->vsi_id; /* queue maps are ignored for this message - only the vsi is used */ @@ -1722,8 +1734,37 @@ void iavf_virtchnl_completion(struct iavf_adapter *adapter, } spin_lock_bh(&adapter->mac_vlan_list_lock); iavf_add_filter(adapter, adapter->hw.mac.addr); + + if (VLAN_ALLOWED(adapter)) { + if (!list_empty(&adapter->vlan_filter_list)) { + struct iavf_vlan_filter *vlf; + + /* re-add all VLAN filters over virtchnl */ + list_for_each_entry(vlf, + &adapter->vlan_filter_list, + list) + vlf->add = true; + + adapter->aq_required |= + IAVF_FLAG_AQ_ADD_VLAN_FILTER; + } + } + spin_unlock_bh(&adapter->mac_vlan_list_lock); iavf_process_config(adapter); + + /* unlock crit_lock before acquiring rtnl_lock as other + * processes holding rtnl_lock could be waiting for the same + * crit_lock + */ + mutex_unlock(&adapter->crit_lock); + rtnl_lock(); + netdev_update_features(adapter->netdev); + rtnl_unlock(); + if (iavf_lock_timeout(&adapter->crit_lock, 10000)) + dev_warn(&adapter->pdev->dev, "failed to acquire crit_lock in %s\n", + __FUNCTION__); + } break; case VIRTCHNL_OP_ENABLE_QUEUES: diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c index 40562600a8cf..09a3297cd63c 100644 --- a/drivers/net/ethernet/intel/ice/ice_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_lib.c @@ -89,8 +89,13 @@ static int ice_vsi_alloc_arrays(struct ice_vsi *vsi) if (!vsi->rx_rings) goto err_rings; - /* XDP will have vsi->alloc_txq Tx queues as well, so double the size */ - vsi->txq_map = devm_kcalloc(dev, (2 * vsi->alloc_txq), + /* txq_map needs to have enough space to track both Tx (stack) rings + * and XDP rings; at this point vsi->num_xdp_txq might not be set, + * so use num_possible_cpus() as we want to always provide XDP ring + * per CPU, regardless of queue count settings from user that might + * have come from ethtool's set_channels() callback; + */ + vsi->txq_map = devm_kcalloc(dev, (vsi->alloc_txq + num_possible_cpus()), sizeof(*vsi->txq_map), GFP_KERNEL); if (!vsi->txq_map) diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c index f099797f35e3..4d1fc48c9744 100644 --- a/drivers/net/ethernet/intel/ice/ice_main.c +++ b/drivers/net/ethernet/intel/ice/ice_main.c @@ -2609,7 +2609,18 @@ int ice_prepare_xdp_rings(struct ice_vsi *vsi, struct bpf_prog *prog) ice_stat_str(status)); goto clear_xdp_rings; } - ice_vsi_assign_bpf_prog(vsi, prog); + + /* assign the prog only when it's not already present on VSI; + * this flow is a subject of both ethtool -L and ndo_bpf flows; + * VSI rebuild that happens under ethtool -L can expose us to + * the bpf_prog refcount issues as we would be swapping same + * bpf_prog pointers from vsi->xdp_prog and calling bpf_prog_put + * on it as it would be treated as an 'old_prog'; for ndo_bpf + * this is not harmful as dev_xdp_install bumps the refcount + * before calling the op exposed by the driver; + */ + if (!ice_is_xdp_ena_vsi(vsi)) + ice_vsi_assign_bpf_prog(vsi, prog); return 0; clear_xdp_rings: @@ -2785,6 +2796,11 @@ ice_xdp_setup_prog(struct ice_vsi *vsi, struct bpf_prog *prog, if (xdp_ring_err) NL_SET_ERR_MSG_MOD(extack, "Freeing XDP Tx resources failed"); } else { + /* safe to call even when prog == vsi->xdp_prog as + * dev_xdp_install in net/core/dev.c incremented prog's + * refcount so corresponding bpf_prog_put won't cause + * underflow + */ ice_vsi_assign_bpf_prog(vsi, prog); } diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 836be0d3b291..fd54d3ef890b 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -8026,7 +8026,7 @@ static int igb_poll(struct napi_struct *napi, int budget) if (likely(napi_complete_done(napi, work_done))) igb_ring_irq_enable(q_vector); - return min(work_done, budget - 1); + return work_done; } /** diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index 2b18d89d9756..ce486e16489c 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -5017,11 +5017,13 @@ static int mvpp2_change_mtu(struct net_device *dev, int mtu) mtu = ALIGN(MVPP2_RX_PKT_SIZE(mtu), 8); } + if (port->xdp_prog && mtu > MVPP2_MAX_RX_BUF_SIZE) { + netdev_err(dev, "Illegal MTU value %d (> %d) for XDP mode\n", + mtu, (int)MVPP2_MAX_RX_BUF_SIZE); + return -EINVAL; + } + if (MVPP2_RX_PKT_SIZE(mtu) > MVPP2_BM_LONG_PKT_SIZE) { - if (port->xdp_prog) { - netdev_err(dev, "Jumbo frames are not supported with XDP\n"); - return -EINVAL; - } if (priv->percpu_pools) { netdev_warn(dev, "mtu %d too high, switching to shared buffers", mtu); mvpp2_bm_switch_buffers(priv, false); @@ -5307,8 +5309,8 @@ static int mvpp2_xdp_setup(struct mvpp2_port *port, struct netdev_bpf *bpf) bool running = netif_running(port->dev); bool reset = !prog != !port->xdp_prog; - if (port->dev->mtu > ETH_DATA_LEN) { - NL_SET_ERR_MSG_MOD(bpf->extack, "XDP is not supported with jumbo frames enabled"); + if (port->dev->mtu > MVPP2_MAX_RX_BUF_SIZE) { + NL_SET_ERR_MSG_MOD(bpf->extack, "MTU too large for XDP"); return -EOPNOTSUPP; } diff --git a/drivers/net/ethernet/marvell/prestera/prestera_switchdev.c b/drivers/net/ethernet/marvell/prestera/prestera_switchdev.c index 3ce6ccd0f539..b4599fe4ca8d 100644 --- a/drivers/net/ethernet/marvell/prestera/prestera_switchdev.c +++ b/drivers/net/ethernet/marvell/prestera/prestera_switchdev.c @@ -497,8 +497,8 @@ int prestera_bridge_port_join(struct net_device *br_dev, br_port = prestera_bridge_port_add(bridge, port->dev); if (IS_ERR(br_port)) { - err = PTR_ERR(br_port); - goto err_brport_create; + prestera_bridge_put(bridge); + return PTR_ERR(br_port); } err = switchdev_bridge_port_offload(br_port->dev, port->dev, NULL, @@ -519,8 +519,6 @@ err_port_join: switchdev_bridge_port_unoffload(br_port->dev, NULL, NULL, NULL); err_switchdev_offload: prestera_bridge_port_put(br_port); -err_brport_create: - prestera_bridge_put(bridge); return err; } @@ -1124,7 +1122,7 @@ static int prestera_switchdev_blk_event(struct notifier_block *unused, prestera_port_obj_attr_set); break; default: - err = -EOPNOTSUPP; + return NOTIFY_DONE; } return notifier_from_errno(err); diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c index 5925db386b1b..03e5bad4e405 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c @@ -2153,7 +2153,7 @@ static void mlxsw_sp_pude_event_func(const struct mlxsw_reg_info *reg, max_ports = mlxsw_core_max_ports(mlxsw_sp->core); local_port = mlxsw_reg_pude_local_port_get(pude_pl); - if (WARN_ON_ONCE(local_port >= max_ports)) + if (WARN_ON_ONCE(!local_port || local_port >= max_ports)) return; mlxsw_sp_port = mlxsw_sp->ports[local_port]; if (!mlxsw_sp_port) @@ -3290,10 +3290,10 @@ mlxsw_sp_resources_rif_mac_profile_register(struct mlxsw_core *mlxsw_core) u8 max_rif_mac_profiles; if (!MLXSW_CORE_RES_VALID(mlxsw_core, MAX_RIF_MAC_PROFILES)) - return -EIO; - - max_rif_mac_profiles = MLXSW_CORE_RES_GET(mlxsw_core, - MAX_RIF_MAC_PROFILES); + max_rif_mac_profiles = 1; + else + max_rif_mac_profiles = MLXSW_CORE_RES_GET(mlxsw_core, + MAX_RIF_MAC_PROFILES); devlink_resource_size_params_init(&size_params, max_rif_mac_profiles, max_rif_mac_profiles, 1, DEVLINK_RESOURCE_UNIT_ENTRY); diff --git a/drivers/net/ethernet/microchip/lan743x_main.c b/drivers/net/ethernet/microchip/lan743x_main.c index 4fc97823bc84..7d7647481f70 100644 --- a/drivers/net/ethernet/microchip/lan743x_main.c +++ b/drivers/net/ethernet/microchip/lan743x_main.c @@ -914,8 +914,7 @@ static int lan743x_phy_reset(struct lan743x_adapter *adapter) } static void lan743x_phy_update_flowcontrol(struct lan743x_adapter *adapter, - u8 duplex, u16 local_adv, - u16 remote_adv) + u16 local_adv, u16 remote_adv) { struct lan743x_phy *phy = &adapter->phy; u8 cap; @@ -943,7 +942,6 @@ static void lan743x_phy_link_status_change(struct net_device *netdev) phy_print_status(phydev); if (phydev->state == PHY_RUNNING) { - struct ethtool_link_ksettings ksettings; int remote_advertisement = 0; int local_advertisement = 0; @@ -980,18 +978,14 @@ static void lan743x_phy_link_status_change(struct net_device *netdev) } lan743x_csr_write(adapter, MAC_CR, data); - memset(&ksettings, 0, sizeof(ksettings)); - phy_ethtool_get_link_ksettings(netdev, &ksettings); local_advertisement = linkmode_adv_to_mii_adv_t(phydev->advertising); remote_advertisement = linkmode_adv_to_mii_adv_t(phydev->lp_advertising); - lan743x_phy_update_flowcontrol(adapter, - ksettings.base.duplex, - local_advertisement, + lan743x_phy_update_flowcontrol(adapter, local_advertisement, remote_advertisement); - lan743x_ptp_update_latency(adapter, ksettings.base.speed); + lan743x_ptp_update_latency(adapter, phydev->speed); } } diff --git a/drivers/net/ethernet/mscc/ocelot.c b/drivers/net/ethernet/mscc/ocelot.c index e6c18b598d5c..409cde1e59c6 100644 --- a/drivers/net/ethernet/mscc/ocelot.c +++ b/drivers/net/ethernet/mscc/ocelot.c @@ -1278,6 +1278,225 @@ int ocelot_fdb_dump(struct ocelot *ocelot, int port, } EXPORT_SYMBOL(ocelot_fdb_dump); +static void ocelot_populate_l2_ptp_trap_key(struct ocelot_vcap_filter *trap) +{ + trap->key_type = OCELOT_VCAP_KEY_ETYPE; + *(__be16 *)trap->key.etype.etype.value = htons(ETH_P_1588); + *(__be16 *)trap->key.etype.etype.mask = htons(0xffff); +} + +static void +ocelot_populate_ipv4_ptp_event_trap_key(struct ocelot_vcap_filter *trap) +{ + trap->key_type = OCELOT_VCAP_KEY_IPV4; + trap->key.ipv4.dport.value = PTP_EV_PORT; + trap->key.ipv4.dport.mask = 0xffff; +} + +static void +ocelot_populate_ipv6_ptp_event_trap_key(struct ocelot_vcap_filter *trap) +{ + trap->key_type = OCELOT_VCAP_KEY_IPV6; + trap->key.ipv6.dport.value = PTP_EV_PORT; + trap->key.ipv6.dport.mask = 0xffff; +} + +static void +ocelot_populate_ipv4_ptp_general_trap_key(struct ocelot_vcap_filter *trap) +{ + trap->key_type = OCELOT_VCAP_KEY_IPV4; + trap->key.ipv4.dport.value = PTP_GEN_PORT; + trap->key.ipv4.dport.mask = 0xffff; +} + +static void +ocelot_populate_ipv6_ptp_general_trap_key(struct ocelot_vcap_filter *trap) +{ + trap->key_type = OCELOT_VCAP_KEY_IPV6; + trap->key.ipv6.dport.value = PTP_GEN_PORT; + trap->key.ipv6.dport.mask = 0xffff; +} + +static int ocelot_trap_add(struct ocelot *ocelot, int port, + unsigned long cookie, + void (*populate)(struct ocelot_vcap_filter *f)) +{ + struct ocelot_vcap_block *block_vcap_is2; + struct ocelot_vcap_filter *trap; + bool new = false; + int err; + + block_vcap_is2 = &ocelot->block[VCAP_IS2]; + + trap = ocelot_vcap_block_find_filter_by_id(block_vcap_is2, cookie, + false); + if (!trap) { + trap = kzalloc(sizeof(*trap), GFP_KERNEL); + if (!trap) + return -ENOMEM; + + populate(trap); + trap->prio = 1; + trap->id.cookie = cookie; + trap->id.tc_offload = false; + trap->block_id = VCAP_IS2; + trap->type = OCELOT_VCAP_FILTER_OFFLOAD; + trap->lookup = 0; + trap->action.cpu_copy_ena = true; + trap->action.mask_mode = OCELOT_MASK_MODE_PERMIT_DENY; + trap->action.port_mask = 0; + new = true; + } + + trap->ingress_port_mask |= BIT(port); + + if (new) + err = ocelot_vcap_filter_add(ocelot, trap, NULL); + else + err = ocelot_vcap_filter_replace(ocelot, trap); + if (err) { + trap->ingress_port_mask &= ~BIT(port); + if (!trap->ingress_port_mask) + kfree(trap); + return err; + } + + return 0; +} + +static int ocelot_trap_del(struct ocelot *ocelot, int port, + unsigned long cookie) +{ + struct ocelot_vcap_block *block_vcap_is2; + struct ocelot_vcap_filter *trap; + + block_vcap_is2 = &ocelot->block[VCAP_IS2]; + + trap = ocelot_vcap_block_find_filter_by_id(block_vcap_is2, cookie, + false); + if (!trap) + return 0; + + trap->ingress_port_mask &= ~BIT(port); + if (!trap->ingress_port_mask) + return ocelot_vcap_filter_del(ocelot, trap); + + return ocelot_vcap_filter_replace(ocelot, trap); +} + +static int ocelot_l2_ptp_trap_add(struct ocelot *ocelot, int port) +{ + unsigned long l2_cookie = ocelot->num_phys_ports + 1; + + return ocelot_trap_add(ocelot, port, l2_cookie, + ocelot_populate_l2_ptp_trap_key); +} + +static int ocelot_l2_ptp_trap_del(struct ocelot *ocelot, int port) +{ + unsigned long l2_cookie = ocelot->num_phys_ports + 1; + + return ocelot_trap_del(ocelot, port, l2_cookie); +} + +static int ocelot_ipv4_ptp_trap_add(struct ocelot *ocelot, int port) +{ + unsigned long ipv4_gen_cookie = ocelot->num_phys_ports + 2; + unsigned long ipv4_ev_cookie = ocelot->num_phys_ports + 3; + int err; + + err = ocelot_trap_add(ocelot, port, ipv4_ev_cookie, + ocelot_populate_ipv4_ptp_event_trap_key); + if (err) + return err; + + err = ocelot_trap_add(ocelot, port, ipv4_gen_cookie, + ocelot_populate_ipv4_ptp_general_trap_key); + if (err) + ocelot_trap_del(ocelot, port, ipv4_ev_cookie); + + return err; +} + +static int ocelot_ipv4_ptp_trap_del(struct ocelot *ocelot, int port) +{ + unsigned long ipv4_gen_cookie = ocelot->num_phys_ports + 2; + unsigned long ipv4_ev_cookie = ocelot->num_phys_ports + 3; + int err; + + err = ocelot_trap_del(ocelot, port, ipv4_ev_cookie); + err |= ocelot_trap_del(ocelot, port, ipv4_gen_cookie); + return err; +} + +static int ocelot_ipv6_ptp_trap_add(struct ocelot *ocelot, int port) +{ + unsigned long ipv6_gen_cookie = ocelot->num_phys_ports + 4; + unsigned long ipv6_ev_cookie = ocelot->num_phys_ports + 5; + int err; + + err = ocelot_trap_add(ocelot, port, ipv6_ev_cookie, + ocelot_populate_ipv6_ptp_event_trap_key); + if (err) + return err; + + err = ocelot_trap_add(ocelot, port, ipv6_gen_cookie, + ocelot_populate_ipv6_ptp_general_trap_key); + if (err) + ocelot_trap_del(ocelot, port, ipv6_ev_cookie); + + return err; +} + +static int ocelot_ipv6_ptp_trap_del(struct ocelot *ocelot, int port) +{ + unsigned long ipv6_gen_cookie = ocelot->num_phys_ports + 4; + unsigned long ipv6_ev_cookie = ocelot->num_phys_ports + 5; + int err; + + err = ocelot_trap_del(ocelot, port, ipv6_ev_cookie); + err |= ocelot_trap_del(ocelot, port, ipv6_gen_cookie); + return err; +} + +static int ocelot_setup_ptp_traps(struct ocelot *ocelot, int port, + bool l2, bool l4) +{ + int err; + + if (l2) + err = ocelot_l2_ptp_trap_add(ocelot, port); + else + err = ocelot_l2_ptp_trap_del(ocelot, port); + if (err) + return err; + + if (l4) { + err = ocelot_ipv4_ptp_trap_add(ocelot, port); + if (err) + goto err_ipv4; + + err = ocelot_ipv6_ptp_trap_add(ocelot, port); + if (err) + goto err_ipv6; + } else { + err = ocelot_ipv4_ptp_trap_del(ocelot, port); + + err |= ocelot_ipv6_ptp_trap_del(ocelot, port); + } + if (err) + return err; + + return 0; + +err_ipv6: + ocelot_ipv4_ptp_trap_del(ocelot, port); +err_ipv4: + if (l2) + ocelot_l2_ptp_trap_del(ocelot, port); + return err; +} + int ocelot_hwstamp_get(struct ocelot *ocelot, int port, struct ifreq *ifr) { return copy_to_user(ifr->ifr_data, &ocelot->hwtstamp_config, @@ -1288,7 +1507,9 @@ EXPORT_SYMBOL(ocelot_hwstamp_get); int ocelot_hwstamp_set(struct ocelot *ocelot, int port, struct ifreq *ifr) { struct ocelot_port *ocelot_port = ocelot->ports[port]; + bool l2 = false, l4 = false; struct hwtstamp_config cfg; + int err; if (copy_from_user(&cfg, ifr->ifr_data, sizeof(cfg))) return -EFAULT; @@ -1320,28 +1541,40 @@ int ocelot_hwstamp_set(struct ocelot *ocelot, int port, struct ifreq *ifr) switch (cfg.rx_filter) { case HWTSTAMP_FILTER_NONE: break; - case HWTSTAMP_FILTER_ALL: - case HWTSTAMP_FILTER_SOME: - case HWTSTAMP_FILTER_PTP_V1_L4_EVENT: - case HWTSTAMP_FILTER_PTP_V1_L4_SYNC: - case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ: - case HWTSTAMP_FILTER_NTP_ALL: case HWTSTAMP_FILTER_PTP_V2_L4_EVENT: case HWTSTAMP_FILTER_PTP_V2_L4_SYNC: case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ: + l4 = true; + break; case HWTSTAMP_FILTER_PTP_V2_L2_EVENT: case HWTSTAMP_FILTER_PTP_V2_L2_SYNC: case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ: + l2 = true; + break; case HWTSTAMP_FILTER_PTP_V2_EVENT: case HWTSTAMP_FILTER_PTP_V2_SYNC: case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ: - cfg.rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT; + l2 = true; + l4 = true; break; default: mutex_unlock(&ocelot->ptp_lock); return -ERANGE; } + err = ocelot_setup_ptp_traps(ocelot, port, l2, l4); + if (err) + return err; + + if (l2 && l4) + cfg.rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT; + else if (l2) + cfg.rx_filter = HWTSTAMP_FILTER_PTP_V2_L2_EVENT; + else if (l4) + cfg.rx_filter = HWTSTAMP_FILTER_PTP_V2_L4_EVENT; + else + cfg.rx_filter = HWTSTAMP_FILTER_NONE; + /* Commit back the result & save it */ memcpy(&ocelot->hwtstamp_config, &cfg, sizeof(cfg)); mutex_unlock(&ocelot->ptp_lock); @@ -1444,7 +1677,10 @@ int ocelot_get_ts_info(struct ocelot *ocelot, int port, SOF_TIMESTAMPING_RAW_HARDWARE; info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON) | BIT(HWTSTAMP_TX_ONESTEP_SYNC); - info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | BIT(HWTSTAMP_FILTER_ALL); + info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | + BIT(HWTSTAMP_FILTER_PTP_V2_EVENT) | + BIT(HWTSTAMP_FILTER_PTP_V2_L2_EVENT) | + BIT(HWTSTAMP_FILTER_PTP_V2_L4_EVENT); return 0; } diff --git a/drivers/net/ethernet/mscc/ocelot_vcap.c b/drivers/net/ethernet/mscc/ocelot_vcap.c index 99d7376a70a7..337cd08b1a54 100644 --- a/drivers/net/ethernet/mscc/ocelot_vcap.c +++ b/drivers/net/ethernet/mscc/ocelot_vcap.c @@ -1217,6 +1217,22 @@ int ocelot_vcap_filter_del(struct ocelot *ocelot, } EXPORT_SYMBOL(ocelot_vcap_filter_del); +int ocelot_vcap_filter_replace(struct ocelot *ocelot, + struct ocelot_vcap_filter *filter) +{ + struct ocelot_vcap_block *block = &ocelot->block[filter->block_id]; + int index; + + index = ocelot_vcap_block_get_filter_index(block, filter); + if (index < 0) + return index; + + vcap_entry_set(ocelot, index, filter); + + return 0; +} +EXPORT_SYMBOL(ocelot_vcap_filter_replace); + int ocelot_vcap_filter_stats_update(struct ocelot *ocelot, struct ocelot_vcap_filter *filter) { diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net.h b/drivers/net/ethernet/netronome/nfp/nfp_net.h index df203738511b..0b1865e9f0b5 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net.h +++ b/drivers/net/ethernet/netronome/nfp/nfp_net.h @@ -565,7 +565,6 @@ struct nfp_net_dp { * @exn_name: Name for Exception interrupt * @shared_handler: Handler for shared interrupts * @shared_name: Name for shared interrupt - * @me_freq_mhz: ME clock_freq (MHz) * @reconfig_lock: Protects @reconfig_posted, @reconfig_timer_active, * @reconfig_sync_present and HW reconfiguration request * regs/machinery from async requests (sync must take @@ -650,8 +649,6 @@ struct nfp_net { irq_handler_t shared_handler; char shared_name[IFNAMSIZ + 8]; - u32 me_freq_mhz; - bool link_up; spinlock_t link_status_lock; diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c index 1de076f55740..cf7882933993 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c @@ -1344,7 +1344,7 @@ static int nfp_net_set_coalesce(struct net_device *netdev, * ME timestamp ticks. There are 16 ME clock cycles for each timestamp * count. */ - factor = nn->me_freq_mhz / 16; + factor = nn->tlv_caps.me_freq_mhz / 16; /* Each pair of (usecs, max_frames) fields specifies that interrupts * should be coalesced until diff --git a/drivers/net/ethernet/ni/nixge.c b/drivers/net/ethernet/ni/nixge.c index cfeb7620ae20..07a00dd9cfe0 100644 --- a/drivers/net/ethernet/ni/nixge.c +++ b/drivers/net/ethernet/ni/nixge.c @@ -1209,7 +1209,7 @@ static void *nixge_get_nvmem_address(struct device *dev) cell = nvmem_cell_get(dev, "address"); if (IS_ERR(cell)) - return NULL; + return cell; mac = nvmem_cell_read(cell, &cell_size); nvmem_cell_put(cell); @@ -1282,7 +1282,7 @@ static int nixge_probe(struct platform_device *pdev) ndev->max_mtu = NIXGE_JUMBO_MTU; mac_addr = nixge_get_nvmem_address(&pdev->dev); - if (mac_addr && is_valid_ether_addr(mac_addr)) { + if (!IS_ERR(mac_addr) && is_valid_ether_addr(mac_addr)) { eth_hw_addr_set(ndev, mac_addr); kfree(mac_addr); } else { diff --git a/drivers/net/ethernet/qlogic/qed/qed_int.c b/drivers/net/ethernet/qlogic/qed/qed_int.c index a97f691839e0..6958adeca86d 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_int.c +++ b/drivers/net/ethernet/qlogic/qed/qed_int.c @@ -1045,7 +1045,7 @@ static int qed_int_deassertion(struct qed_hwfn *p_hwfn, if (!parities) continue; - for (j = 0, bit_idx = 0; bit_idx < 32; j++) { + for (j = 0, bit_idx = 0; bit_idx < 32 && j < 32; j++) { struct aeu_invert_reg_bit *p_bit = &p_aeu->bits[j]; if (qed_int_is_parity_flag(p_hwfn, p_bit) && @@ -1083,7 +1083,7 @@ static int qed_int_deassertion(struct qed_hwfn *p_hwfn, * to current group, making them responsible for the * previous assertion. */ - for (j = 0, bit_idx = 0; bit_idx < 32; j++) { + for (j = 0, bit_idx = 0; bit_idx < 32 && j < 32; j++) { long unsigned int bitmask; u8 bit, bit_len; @@ -1382,7 +1382,7 @@ static void qed_int_sb_attn_init(struct qed_hwfn *p_hwfn, memset(sb_info->parity_mask, 0, sizeof(u32) * NUM_ATTN_REGS); for (i = 0; i < NUM_ATTN_REGS; i++) { /* j is array index, k is bit index */ - for (j = 0, k = 0; k < 32; j++) { + for (j = 0, k = 0; k < 32 && j < 32; j++) { struct aeu_invert_reg_bit *p_aeu; p_aeu = &aeu_descs[i].bits[j]; diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c index bbe21db20417..86c44bc5f73f 100644 --- a/drivers/net/ethernet/realtek/r8169_main.c +++ b/drivers/net/ethernet/realtek/r8169_main.c @@ -5217,8 +5217,8 @@ static int rtl_get_ether_clk(struct rtl8169_private *tp) static void rtl_init_mac_address(struct rtl8169_private *tp) { + u8 mac_addr[ETH_ALEN] __aligned(2) = {}; struct net_device *dev = tp->dev; - u8 mac_addr[ETH_ALEN]; int rc; rc = eth_platform_get_mac_address(tp_to_dev(tp), mac_addr); @@ -5233,7 +5233,8 @@ static void rtl_init_mac_address(struct rtl8169_private *tp) if (is_valid_ether_addr(mac_addr)) goto done; - eth_hw_addr_random(dev); + eth_random_addr(mac_addr); + dev->addr_assign_type = NET_ADDR_RANDOM; dev_warn(tp_to_dev(tp), "can't read MAC address, setting random one\n"); done: eth_hw_addr_set(dev, mac_addr); diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac.h b/drivers/net/ethernet/stmicro/stmmac/stmmac.h index 43eead726886..5f129733aabd 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac.h +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac.h @@ -314,6 +314,7 @@ int stmmac_mdio_reset(struct mii_bus *mii); int stmmac_xpcs_setup(struct mii_bus *mii); void stmmac_set_ethtool_ops(struct net_device *netdev); +int stmmac_init_tstamp_counter(struct stmmac_priv *priv, u32 systime_flags); void stmmac_ptp_register(struct stmmac_priv *priv); void stmmac_ptp_unregister(struct stmmac_priv *priv); int stmmac_open(struct net_device *dev); diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 2eb284576336..748195697e5a 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -50,6 +50,13 @@ #include "dwxgmac2.h" #include "hwif.h" +/* As long as the interface is active, we keep the timestamping counter enabled + * with fine resolution and binary rollover. This avoid non-monotonic behavior + * (clock jumps) when changing timestamping settings at runtime. + */ +#define STMMAC_HWTS_ACTIVE (PTP_TCR_TSENA | PTP_TCR_TSCFUPDT | \ + PTP_TCR_TSCTRLSSR) + #define STMMAC_ALIGN(x) ALIGN(ALIGN(x, SMP_CACHE_BYTES), 16) #define TSO_MAX_BUFF_SIZE (SZ_16K - 1) @@ -613,8 +620,6 @@ static int stmmac_hwtstamp_set(struct net_device *dev, struct ifreq *ifr) { struct stmmac_priv *priv = netdev_priv(dev); struct hwtstamp_config config; - struct timespec64 now; - u64 temp = 0; u32 ptp_v2 = 0; u32 tstamp_all = 0; u32 ptp_over_ipv4_udp = 0; @@ -623,11 +628,6 @@ static int stmmac_hwtstamp_set(struct net_device *dev, struct ifreq *ifr) u32 snap_type_sel = 0; u32 ts_master_en = 0; u32 ts_event_en = 0; - u32 sec_inc = 0; - u32 value = 0; - bool xmac; - - xmac = priv->plat->has_gmac4 || priv->plat->has_xgmac; if (!(priv->dma_cap.time_stamp || priv->adv_ts)) { netdev_alert(priv->dev, "No support for HW time stamping\n"); @@ -789,42 +789,17 @@ static int stmmac_hwtstamp_set(struct net_device *dev, struct ifreq *ifr) priv->hwts_rx_en = ((config.rx_filter == HWTSTAMP_FILTER_NONE) ? 0 : 1); priv->hwts_tx_en = config.tx_type == HWTSTAMP_TX_ON; - if (!priv->hwts_tx_en && !priv->hwts_rx_en) - stmmac_config_hw_tstamping(priv, priv->ptpaddr, 0); - else { - value = (PTP_TCR_TSENA | PTP_TCR_TSCFUPDT | PTP_TCR_TSCTRLSSR | - tstamp_all | ptp_v2 | ptp_over_ethernet | - ptp_over_ipv6_udp | ptp_over_ipv4_udp | ts_event_en | - ts_master_en | snap_type_sel); - stmmac_config_hw_tstamping(priv, priv->ptpaddr, value); - - /* program Sub Second Increment reg */ - stmmac_config_sub_second_increment(priv, - priv->ptpaddr, priv->plat->clk_ptp_rate, - xmac, &sec_inc); - temp = div_u64(1000000000ULL, sec_inc); - - /* Store sub second increment and flags for later use */ - priv->sub_second_inc = sec_inc; - priv->systime_flags = value; - - /* calculate default added value: - * formula is : - * addend = (2^32)/freq_div_ratio; - * where, freq_div_ratio = 1e9ns/sec_inc - */ - temp = (u64)(temp << 32); - priv->default_addend = div_u64(temp, priv->plat->clk_ptp_rate); - stmmac_config_addend(priv, priv->ptpaddr, priv->default_addend); - - /* initialize system time */ - ktime_get_real_ts64(&now); + priv->systime_flags = STMMAC_HWTS_ACTIVE; - /* lower 32 bits of tv_sec are safe until y2106 */ - stmmac_init_systime(priv, priv->ptpaddr, - (u32)now.tv_sec, now.tv_nsec); + if (priv->hwts_tx_en || priv->hwts_rx_en) { + priv->systime_flags |= tstamp_all | ptp_v2 | + ptp_over_ethernet | ptp_over_ipv6_udp | + ptp_over_ipv4_udp | ts_event_en | + ts_master_en | snap_type_sel; } + stmmac_config_hw_tstamping(priv, priv->ptpaddr, priv->systime_flags); + memcpy(&priv->tstamp_config, &config, sizeof(config)); return copy_to_user(ifr->ifr_data, &config, @@ -853,6 +828,66 @@ static int stmmac_hwtstamp_get(struct net_device *dev, struct ifreq *ifr) } /** + * stmmac_init_tstamp_counter - init hardware timestamping counter + * @priv: driver private structure + * @systime_flags: timestamping flags + * Description: + * Initialize hardware counter for packet timestamping. + * This is valid as long as the interface is open and not suspended. + * Will be rerun after resuming from suspend, case in which the timestamping + * flags updated by stmmac_hwtstamp_set() also need to be restored. + */ +int stmmac_init_tstamp_counter(struct stmmac_priv *priv, u32 systime_flags) +{ + bool xmac = priv->plat->has_gmac4 || priv->plat->has_xgmac; + struct timespec64 now; + u32 sec_inc = 0; + u64 temp = 0; + int ret; + + if (!(priv->dma_cap.time_stamp || priv->dma_cap.atime_stamp)) + return -EOPNOTSUPP; + + ret = clk_prepare_enable(priv->plat->clk_ptp_ref); + if (ret < 0) { + netdev_warn(priv->dev, + "failed to enable PTP reference clock: %pe\n", + ERR_PTR(ret)); + return ret; + } + + stmmac_config_hw_tstamping(priv, priv->ptpaddr, systime_flags); + priv->systime_flags = systime_flags; + + /* program Sub Second Increment reg */ + stmmac_config_sub_second_increment(priv, priv->ptpaddr, + priv->plat->clk_ptp_rate, + xmac, &sec_inc); + temp = div_u64(1000000000ULL, sec_inc); + + /* Store sub second increment for later use */ + priv->sub_second_inc = sec_inc; + + /* calculate default added value: + * formula is : + * addend = (2^32)/freq_div_ratio; + * where, freq_div_ratio = 1e9ns/sec_inc + */ + temp = (u64)(temp << 32); + priv->default_addend = div_u64(temp, priv->plat->clk_ptp_rate); + stmmac_config_addend(priv, priv->ptpaddr, priv->default_addend); + + /* initialize system time */ + ktime_get_real_ts64(&now); + + /* lower 32 bits of tv_sec are safe until y2106 */ + stmmac_init_systime(priv, priv->ptpaddr, (u32)now.tv_sec, now.tv_nsec); + + return 0; +} +EXPORT_SYMBOL_GPL(stmmac_init_tstamp_counter); + +/** * stmmac_init_ptp - init PTP * @priv: driver private structure * Description: this is to verify if the HW supports the PTPv1 or PTPv2. @@ -862,9 +897,11 @@ static int stmmac_hwtstamp_get(struct net_device *dev, struct ifreq *ifr) static int stmmac_init_ptp(struct stmmac_priv *priv) { bool xmac = priv->plat->has_gmac4 || priv->plat->has_xgmac; + int ret; - if (!(priv->dma_cap.time_stamp || priv->dma_cap.atime_stamp)) - return -EOPNOTSUPP; + ret = stmmac_init_tstamp_counter(priv, STMMAC_HWTS_ACTIVE); + if (ret) + return ret; priv->adv_ts = 0; /* Check if adv_ts can be enabled for dwmac 4.x / xgmac core */ @@ -3272,10 +3309,6 @@ static int stmmac_hw_setup(struct net_device *dev, bool init_ptp) stmmac_mmc_setup(priv); if (init_ptp) { - ret = clk_prepare_enable(priv->plat->clk_ptp_ref); - if (ret < 0) - netdev_warn(priv->dev, "failed to enable PTP reference clock: %d\n", ret); - ret = stmmac_init_ptp(priv); if (ret == -EOPNOTSUPP) netdev_warn(priv->dev, "PTP not supported by HW\n"); @@ -3769,6 +3802,8 @@ int stmmac_release(struct net_device *dev) struct stmmac_priv *priv = netdev_priv(dev); u32 chan; + netif_tx_disable(dev); + if (device_may_wakeup(priv->device)) phylink_speed_down(priv->phylink, false); /* Stop and disconnect the PHY */ @@ -5161,12 +5196,13 @@ read_again: if (likely(!(status & rx_not_ls)) && (likely(priv->synopsys_id >= DWMAC_CORE_4_00) || unlikely(status != llc_snap))) { - if (buf2_len) + if (buf2_len) { buf2_len -= ETH_FCS_LEN; - else + len -= ETH_FCS_LEN; + } else if (buf1_len) { buf1_len -= ETH_FCS_LEN; - - len -= ETH_FCS_LEN; + len -= ETH_FCS_LEN; + } } if (!skb) { diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c index 232ac98943cd..5d29f336315b 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c @@ -816,7 +816,7 @@ static int __maybe_unused stmmac_pltfr_noirq_resume(struct device *dev) if (ret) return ret; - clk_prepare_enable(priv->plat->clk_ptp_ref); + stmmac_init_tstamp_counter(priv, priv->systime_flags); } return 0; |