Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
authorJakub Kicinski <kuba@kernel.org>
Tue, 31 Aug 2021 16:06:04 +0000 (09:06 -0700)
committerJakub Kicinski <kuba@kernel.org>
Tue, 31 Aug 2021 16:06:04 +0000 (09:06 -0700)
include/linux/netdevice.h
net/socket.c

  d0efb16294d1 ("net: don't unconditionally copy_from_user a struct ifreq for socket ioctls")

  876f0bf9d0d5 ("net: socket: simplify dev_ifconf handling")
  29c4964822aa ("net: socket: rework compat_ifreq_ioctl()")

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
14 files changed:
drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c
drivers/net/ethernet/intel/ice/ice_main.c
drivers/net/ethernet/intel/ice/ice_ptp.c
drivers/net/ethernet/mellanox/mlx5/core/dev.c
drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c
drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
drivers/net/ethernet/mellanox/mlx5/core/esw/indir_table.c
drivers/net/ethernet/mellanox/mlx5/core/lag.c
drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c
drivers/net/ethernet/mellanox/mlx5/core/lag_mp.h
drivers/net/ethernet/mellanox/mlx5/core/steering/dr_rule.c
drivers/net/phy/marvell10g.c
include/linux/netdevice.h
net/socket.c

index cdeece4..dee9ff7 100644 (file)
@@ -411,6 +411,9 @@ static int atl_resume_common(struct device *dev, bool deep)
        pci_restore_state(pdev);
 
        if (deep) {
+               /* Reinitialize Nic/Vecs objects */
+               aq_nic_deinit(nic, !nic->aq_hw->aq_nic_cfg->wol);
+
                ret = aq_nic_init(nic);
                if (ret)
                        goto err_exit;
index 60d55d0..0d6c143 100644 (file)
@@ -5122,6 +5122,7 @@ static int ice_set_mac_address(struct net_device *netdev, void *pi)
        struct ice_hw *hw = &pf->hw;
        struct sockaddr *addr = pi;
        enum ice_status status;
+       u8 old_mac[ETH_ALEN];
        u8 flags = 0;
        int err = 0;
        u8 *mac;
@@ -5144,8 +5145,13 @@ static int ice_set_mac_address(struct net_device *netdev, void *pi)
        }
 
        netif_addr_lock_bh(netdev);
+       ether_addr_copy(old_mac, netdev->dev_addr);
+       /* change the netdev's MAC address */
+       memcpy(netdev->dev_addr, mac, netdev->addr_len);
+       netif_addr_unlock_bh(netdev);
+
        /* Clean up old MAC filter. Not an error if old filter doesn't exist */
-       status = ice_fltr_remove_mac(vsi, netdev->dev_addr, ICE_FWD_TO_VSI);
+       status = ice_fltr_remove_mac(vsi, old_mac, ICE_FWD_TO_VSI);
        if (status && status != ICE_ERR_DOES_NOT_EXIST) {
                err = -EADDRNOTAVAIL;
                goto err_update_filters;
@@ -5168,13 +5174,12 @@ err_update_filters:
        if (err) {
                netdev_err(netdev, "can't set MAC %pM. filter update failed\n",
                           mac);
+               netif_addr_lock_bh(netdev);
+               ether_addr_copy(netdev->dev_addr, old_mac);
                netif_addr_unlock_bh(netdev);
                return err;
        }
 
-       /* change the netdev's MAC address */
-       memcpy(netdev->dev_addr, mac, netdev->addr_len);
-       netif_addr_unlock_bh(netdev);
        netdev_dbg(vsi->netdev, "updated MAC address to %pM\n",
                   netdev->dev_addr);
 
index 9e3ddb9..05cc587 100644 (file)
@@ -22,7 +22,7 @@ static void ice_set_tx_tstamp(struct ice_pf *pf, bool on)
                return;
 
        /* Set the timestamp enable flag for all the Tx rings */
-       ice_for_each_rxq(vsi, i) {
+       ice_for_each_txq(vsi, i) {
                if (!vsi->tx_rings[i])
                        continue;
                vsi->tx_rings[i]->ptp_tx = on;
@@ -688,6 +688,41 @@ err:
        return -EFAULT;
 }
 
+/**
+ * ice_ptp_disable_all_clkout - Disable all currently configured outputs
+ * @pf: pointer to the PF structure
+ *
+ * Disable all currently configured clock outputs. This is necessary before
+ * certain changes to the PTP hardware clock. Use ice_ptp_enable_all_clkout to
+ * re-enable the clocks again.
+ */
+static void ice_ptp_disable_all_clkout(struct ice_pf *pf)
+{
+       uint i;
+
+       for (i = 0; i < pf->ptp.info.n_per_out; i++)
+               if (pf->ptp.perout_channels[i].ena)
+                       ice_ptp_cfg_clkout(pf, i, NULL, false);
+}
+
+/**
+ * ice_ptp_enable_all_clkout - Enable all configured periodic clock outputs
+ * @pf: pointer to the PF structure
+ *
+ * Enable all currently configured clock outputs. Use this after
+ * ice_ptp_disable_all_clkout to reconfigure the output signals according to
+ * their configuration.
+ */
+static void ice_ptp_enable_all_clkout(struct ice_pf *pf)
+{
+       uint i;
+
+       for (i = 0; i < pf->ptp.info.n_per_out; i++)
+               if (pf->ptp.perout_channels[i].ena)
+                       ice_ptp_cfg_clkout(pf, i, &pf->ptp.perout_channels[i],
+                                          false);
+}
+
 /**
  * ice_ptp_gpio_enable_e810 - Enable/disable ancillary features of PHC
  * @info: the driver's PTP info structure
@@ -783,12 +818,17 @@ ice_ptp_settime64(struct ptp_clock_info *info, const struct timespec64 *ts)
                goto exit;
        }
 
+       /* Disable periodic outputs */
+       ice_ptp_disable_all_clkout(pf);
+
        err = ice_ptp_write_init(pf, &ts64);
        ice_ptp_unlock(hw);
 
        if (!err)
                ice_ptp_update_cached_phctime(pf);
 
+       /* Reenable periodic outputs */
+       ice_ptp_enable_all_clkout(pf);
 exit:
        if (err) {
                dev_err(ice_pf_to_dev(pf), "PTP failed to set time %d\n", err);
@@ -842,8 +882,14 @@ static int ice_ptp_adjtime(struct ptp_clock_info *info, s64 delta)
                return -EBUSY;
        }
 
+       /* Disable periodic outputs */
+       ice_ptp_disable_all_clkout(pf);
+
        err = ice_ptp_write_adj(pf, delta);
 
+       /* Reenable periodic outputs */
+       ice_ptp_enable_all_clkout(pf);
+
        ice_ptp_unlock(hw);
 
        if (err) {
@@ -1064,17 +1110,6 @@ static long ice_ptp_create_clock(struct ice_pf *pf)
        info = &pf->ptp.info;
        dev = ice_pf_to_dev(pf);
 
-       /* Allocate memory for kernel pins interface */
-       if (info->n_pins) {
-               info->pin_config = devm_kcalloc(dev, info->n_pins,
-                                               sizeof(*info->pin_config),
-                                               GFP_KERNEL);
-               if (!info->pin_config) {
-                       info->n_pins = 0;
-                       return -ENOMEM;
-               }
-       }
-
        /* Attempt to register the clock before enabling the hardware. */
        clock = ptp_clock_register(info, dev);
        if (IS_ERR(clock))
@@ -1278,6 +1313,8 @@ ice_ptp_flush_tx_tracker(struct ice_pf *pf, struct ice_ptp_tx *tx)
 {
        u8 idx;
 
+       spin_lock(&tx->lock);
+
        for (idx = 0; idx < tx->len; idx++) {
                u8 phy_idx = idx + tx->quad_offset;
 
@@ -1290,6 +1327,8 @@ ice_ptp_flush_tx_tracker(struct ice_pf *pf, struct ice_ptp_tx *tx)
                        tx->tstamps[idx].skb = NULL;
                }
        }
+
+       spin_unlock(&tx->lock);
 }
 
 /**
@@ -1550,6 +1589,9 @@ void ice_ptp_release(struct ice_pf *pf)
        if (!pf->ptp.clock)
                return;
 
+       /* Disable periodic outputs */
+       ice_ptp_disable_all_clkout(pf);
+
        ice_clear_ptp_clock_index(pf);
        ptp_clock_unregister(pf->ptp.clock);
        pf->ptp.clock = NULL;
index ff6b03d..e8093c4 100644 (file)
@@ -450,7 +450,7 @@ int mlx5_register_device(struct mlx5_core_dev *dev)
 void mlx5_unregister_device(struct mlx5_core_dev *dev)
 {
        mutex_lock(&mlx5_intf_mutex);
-       dev->priv.flags |= MLX5_PRIV_FLAGS_DISABLE_ALL_ADEV;
+       dev->priv.flags = MLX5_PRIV_FLAGS_DISABLE_ALL_ADEV;
        mlx5_rescan_drivers_locked(dev);
        mutex_unlock(&mlx5_intf_mutex);
 }
index 2e846b7..1c44c6c 100644 (file)
@@ -147,7 +147,7 @@ void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv,
        mlx5e_rep_queue_neigh_stats_work(priv);
 
        list_for_each_entry(flow, flow_list, tmp_list) {
-               if (!mlx5e_is_offloaded_flow(flow))
+               if (!mlx5e_is_offloaded_flow(flow) || !flow_flag_test(flow, SLOW))
                        continue;
                attr = flow->attr;
                esw_attr = attr->esw_attr;
@@ -188,7 +188,7 @@ void mlx5e_tc_encap_flows_del(struct mlx5e_priv *priv,
        int err;
 
        list_for_each_entry(flow, flow_list, tmp_list) {
-               if (!mlx5e_is_offloaded_flow(flow))
+               if (!mlx5e_is_offloaded_flow(flow) || flow_flag_test(flow, SLOW))
                        continue;
                attr = flow->attr;
                esw_attr = attr->esw_attr;
index 6603d9c..ba81647 100644 (file)
@@ -1317,6 +1317,7 @@ bool mlx5e_tc_is_vf_tunnel(struct net_device *out_dev, struct net_device *route_
 int mlx5e_tc_query_route_vport(struct net_device *out_dev, struct net_device *route_dev, u16 *vport)
 {
        struct mlx5e_priv *out_priv, *route_priv;
+       struct mlx5_devcom *devcom = NULL;
        struct mlx5_core_dev *route_mdev;
        struct mlx5_eswitch *esw;
        u16 vhca_id;
@@ -1328,7 +1329,24 @@ int mlx5e_tc_query_route_vport(struct net_device *out_dev, struct net_device *ro
        route_mdev = route_priv->mdev;
 
        vhca_id = MLX5_CAP_GEN(route_mdev, vhca_id);
+       if (mlx5_lag_is_active(out_priv->mdev)) {
+               /* In lag case we may get devices from different eswitch instances.
+                * If we failed to get vport num, it means, mostly, that we on the wrong
+                * eswitch.
+                */
+               err = mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport);
+               if (err != -ENOENT)
+                       return err;
+
+               devcom = out_priv->mdev->priv.devcom;
+               esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS);
+               if (!esw)
+                       return -ENODEV;
+       }
+
        err = mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport);
+       if (devcom)
+               mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS);
        return err;
 }
 
index 3da7bec..425c918 100644 (file)
@@ -364,6 +364,7 @@ static int mlx5_create_indir_fwd_group(struct mlx5_eswitch *esw,
        dest.type = MLX5_FLOW_DESTINATION_TYPE_VPORT;
        dest.vport.num = e->vport;
        dest.vport.vhca_id = MLX5_CAP_GEN(esw->dev, vhca_id);
+       dest.vport.flags = MLX5_FLOW_DEST_VPORT_VHCA_ID;
        e->fwd_rule = mlx5_add_flow_rules(e->ft, spec, &flow_act, &dest, 1);
        if (IS_ERR(e->fwd_rule)) {
                mlx5_destroy_flow_group(e->fwd_grp);
index f4dfa55..49ca57c 100644 (file)
@@ -305,6 +305,7 @@ static int mlx5_deactivate_lag(struct mlx5_lag *ldev)
        int err;
 
        ldev->flags &= ~MLX5_LAG_MODE_FLAGS;
+       mlx5_lag_mp_reset(ldev);
 
        if (ldev->shared_fdb) {
                mlx5_eswitch_offloads_destroy_single_fdb(ldev->pf[MLX5_LAG_P1].dev->priv.eswitch,
index 011b639..f239b35 100644 (file)
@@ -302,6 +302,14 @@ static int mlx5_lag_fib_event(struct notifier_block *nb,
        return NOTIFY_DONE;
 }
 
+void mlx5_lag_mp_reset(struct mlx5_lag *ldev)
+{
+       /* Clear mfi, as it might become stale when a route delete event
+        * has been missed, see mlx5_lag_fib_route_event().
+        */
+       ldev->lag_mp.mfi = NULL;
+}
+
 int mlx5_lag_mp_init(struct mlx5_lag *ldev)
 {
        struct lag_mp *mp = &ldev->lag_mp;
index 258ac7b..729c839 100644 (file)
@@ -21,11 +21,13 @@ struct lag_mp {
 
 #ifdef CONFIG_MLX5_ESWITCH
 
+void mlx5_lag_mp_reset(struct mlx5_lag *ldev);
 int mlx5_lag_mp_init(struct mlx5_lag *ldev);
 void mlx5_lag_mp_cleanup(struct mlx5_lag *ldev);
 
 #else /* CONFIG_MLX5_ESWITCH */
 
+static inline void mlx5_lag_mp_reset(struct mlx5_lag *ldev) {};
 static inline int mlx5_lag_mp_init(struct mlx5_lag *ldev) { return 0; }
 static inline void mlx5_lag_mp_cleanup(struct mlx5_lag *ldev) {}
 
index a1c8ac0..aca80ef 100644 (file)
@@ -862,9 +862,9 @@ again:
                        new_htbl = dr_rule_rehash(rule, nic_rule, cur_htbl,
                                                  ste_location, send_ste_list);
                        if (!new_htbl) {
-                               mlx5dr_htbl_put(cur_htbl);
                                mlx5dr_err(dmn, "Failed creating rehash table, htbl-log_size: %d\n",
                                           cur_htbl->chunk_size);
+                               mlx5dr_htbl_put(cur_htbl);
                        } else {
                                cur_htbl = new_htbl;
                        }
index 0b7cae1..bd310e8 100644 (file)
@@ -998,11 +998,19 @@ static int mv3310_get_number_of_ports(struct phy_device *phydev)
 
 static int mv3310_match_phy_device(struct phy_device *phydev)
 {
+       if ((phydev->c45_ids.device_ids[MDIO_MMD_PMAPMD] &
+            MARVELL_PHY_ID_MASK) != MARVELL_PHY_ID_88X3310)
+               return 0;
+
        return mv3310_get_number_of_ports(phydev) == 1;
 }
 
 static int mv3340_match_phy_device(struct phy_device *phydev)
 {
+       if ((phydev->c45_ids.device_ids[MDIO_MMD_PMAPMD] &
+            MARVELL_PHY_ID_MASK) != MARVELL_PHY_ID_88X3310)
+               return 0;
+
        return mv3310_get_number_of_ports(phydev) == 4;
 }
 
index 6fd3a4d..7c41593 100644 (file)
@@ -4027,6 +4027,10 @@ int netdev_rx_handler_register(struct net_device *dev,
 void netdev_rx_handler_unregister(struct net_device *dev);
 
 bool dev_valid_name(const char *name);
+static inline bool is_socket_ioctl_cmd(unsigned int cmd)
+{
+       return _IOC_TYPE(cmd) == SOCK_IOC_TYPE;
+}
 int get_user_ifreq(struct ifreq *ifr, void __user **ifrdata, void __user *arg);
 int put_user_ifreq(struct ifreq *ifr, void __user *arg);
 int dev_ioctl(struct net *net, unsigned int cmd, struct ifreq *ifr,
index 3c10504..83e7ac9 100644 (file)
@@ -1124,6 +1124,9 @@ static long sock_do_ioctl(struct net *net, struct socket *sock,
        if (err != -ENOIOCTLCMD)
                return err;
 
+       if (!is_socket_ioctl_cmd(cmd))
+               return -ENOTTY;
+
        if (get_user_ifreq(&ifr, &data, argp))
                return -EFAULT;
        err = dev_ioctl(net, cmd, &ifr, data, &need_copyout);
@@ -3218,6 +3221,8 @@ static int compat_ifr_data_ioctl(struct net *net, unsigned int cmd,
        struct ifreq ifreq;
        void __user *data;
 
+       if (!is_socket_ioctl_cmd(cmd))
+               return -ENOTTY;
        if (get_user_ifreq(&ifreq, &data, u_ifreq32))
                return -EFAULT;
        ifreq.ifr_data = data;