Including fixes from bluetooth, netfilter, WiFi.

Feels like an up-tick in regression fixes, mostly for older releases.
 The hfsc fix, tcp_disconnect() and Intel WWAN fixes stand out as fairly
 clear-cut user reported regressions. The mlx5 DMA bug was causing strife
 for 390x folks. The fixes themselves are not particularly scary, tho.
 No open investigations / outstanding reports at the time of writing.
 
 Current release - regressions:
 
  - eth: mlx5: perform DMA operations in the right locations,
    make devices usable on s390x, again
 
  - sched: sch_hfsc: upgrade 'rt' to 'sc' when it becomes a inner curve,
    previous fix of rejecting invalid config broke some scripts
 
  - rfkill: reduce data->mtx scope in rfkill_fop_open, avoid deadlock
 
  - revert "ethtool: Fix mod state of verbose no_mask bitset",
    needs more work
 
 Current release - new code bugs:
 
  - tcp: fix listen() warning with v4-mapped-v6 address
 
 Previous releases - regressions:
 
  - tcp: allow tcp_disconnect() again when threads are waiting,
    it was denied to plug a constant source of bugs but turns out
    .NET depends on it
 
  - eth: mlx5: fix double-free if buffer refill fails under OOM
 
  - revert "net: wwan: iosm: enable runtime pm support for 7560",
    it's causing regressions and the WWAN team at Intel disappeared
 
  - tcp: tsq: relax tcp_small_queue_check() when rtx queue contains
    a single skb, fix single-stream perf regression on some devices
 
 Previous releases - always broken:
 
  - Bluetooth:
    - fix issues in legacy BR/EDR PIN code pairing
    - correctly bounds check and pad HCI_MON_NEW_INDEX name
 
  - netfilter:
    - more fixes / follow ups for the large "commit protocol" rework,
      which went in as a fix to 6.5
    - fix null-derefs on netlink attrs which user may not pass in
 
  - tcp: fix excessive TLP and RACK timeouts from HZ rounding
    (bless Debian for keeping HZ=250 alive)
 
  - net: more strict VIRTIO_NET_HDR_GSO_UDP_L4 validation, prevent
    letting frankenstein UDP super-frames from getting into the stack
 
  - net: fix interface altnames when ifc moves to a new namespace
 
  - eth: qed: fix the size of the RX buffers
 
  - mptcp: avoid sending RST when closing the initial subflow
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Including fixes from bluetooth, netfilter, WiFi.

  Feels like an up-tick in regression fixes, mostly for older releases.
  The hfsc fix, tcp_disconnect() and Intel WWAN fixes stand out as
  fairly clear-cut user reported regressions. The mlx5 DMA bug was
  causing strife for 390x folks. The fixes themselves are not
  particularly scary, tho. No open investigations / outstanding reports
  at the time of writing.

  Current release - regressions:

   - eth: mlx5: perform DMA operations in the right locations, make
     devices usable on s390x, again

   - sched: sch_hfsc: upgrade 'rt' to 'sc' when it becomes a inner
     curve, previous fix of rejecting invalid config broke some scripts

   - rfkill: reduce data->mtx scope in rfkill_fop_open, avoid deadlock

   - revert "ethtool: Fix mod state of verbose no_mask bitset", needs
     more work

  Current release - new code bugs:

   - tcp: fix listen() warning with v4-mapped-v6 address

  Previous releases - regressions:

   - tcp: allow tcp_disconnect() again when threads are waiting, it was
     denied to plug a constant source of bugs but turns out .NET depends
     on it

   - eth: mlx5: fix double-free if buffer refill fails under OOM

   - revert "net: wwan: iosm: enable runtime pm support for 7560", it's
     causing regressions and the WWAN team at Intel disappeared

   - tcp: tsq: relax tcp_small_queue_check() when rtx queue contains a
     single skb, fix single-stream perf regression on some devices

  Previous releases - always broken:

   - Bluetooth:
      - fix issues in legacy BR/EDR PIN code pairing
      - correctly bounds check and pad HCI_MON_NEW_INDEX name

   - netfilter:
      - more fixes / follow ups for the large "commit protocol" rework,
        which went in as a fix to 6.5
      - fix null-derefs on netlink attrs which user may not pass in

   - tcp: fix excessive TLP and RACK timeouts from HZ rounding (bless
     Debian for keeping HZ=250 alive)

   - net: more strict VIRTIO_NET_HDR_GSO_UDP_L4 validation, prevent
     letting frankenstein UDP super-frames from getting into the stack

   - net: fix interface altnames when ifc moves to a new namespace

   - eth: qed: fix the size of the RX buffers

   - mptcp: avoid sending RST when closing the initial subflow"

* tag 'net-6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (94 commits)
  Revert "ethtool: Fix mod state of verbose no_mask bitset"
  selftests: mptcp: join: no RST when rm subflow/addr
  mptcp: avoid sending RST when closing the initial subflow
  mptcp: more conservative check for zero probes
  tcp: check mptcp-level constraints for backlog coalescing
  selftests: mptcp: join: correctly check for no RST
  net: ti: icssg-prueth: Fix r30 CMDs bitmasks
  selftests: net: add very basic test for netdev names and namespaces
  net: move altnames together with the netdevice
  net: avoid UAF on deleted altname
  net: check for altname conflicts when changing netdev's netns
  net: fix ifname in netlink ntf during netns move
  net: ethernet: ti: Fix mixed module-builtin object
  net: phy: bcm7xxx: Add missing 16nm EPHY statistics
  ipv4: fib: annotate races around nh->nh_saddr_genid and nh->nh_saddr
  tcp_bpf: properly release resources on error paths
  net/sched: sch_hfsc: upgrade 'rt' to 'sc' when it becomes a inner curve
  net: mdio-mux: fix C45 access returning -EIO after API change
  tcp: tsq: relax tcp_small_queue_check() when rtx queue contains a single skb
  octeon_ep: update BQL sent bytes before ringing doorbell
  ...

Documentation/netlink/specs/devlink.yaml

@@ -323,7 +323,7 @@ operations:
             - dev-name
             - sb-index
         reply: &sb-get-reply
-          value: 11
+          value: 13
           attributes: *sb-id-attrs
       dump:
         request:
@@ -350,7 +350,7 @@ operations:
             - sb-index
             - sb-pool-index
         reply: &sb-pool-get-reply
-          value: 15
+          value: 17
           attributes: *sb-pool-id-attrs
       dump:
         request:
@@ -378,7 +378,7 @@ operations:
             - sb-index
             - sb-pool-index
         reply: &sb-port-pool-get-reply
-          value: 19
+          value: 21
           attributes: *sb-port-pool-id-attrs
       dump:
         request:
@@ -407,7 +407,7 @@ operations:
             - sb-pool-type
             - sb-tc-index
         reply: &sb-tc-pool-bind-get-reply
-          value: 23
+          value: 25
           attributes: *sb-tc-pool-bind-id-attrs
       dump:
         request:
@@ -538,7 +538,7 @@ operations:
             - dev-name
             - trap-name
         reply: &trap-get-reply
-          value: 61
+          value: 63
           attributes: *trap-id-attrs
       dump:
         request:
@@ -564,7 +564,7 @@ operations:
             - dev-name
             - trap-group-name
         reply: &trap-group-get-reply
-          value: 65
+          value: 67
           attributes: *trap-group-id-attrs
       dump:
         request:
@@ -590,7 +590,7 @@ operations:
             - dev-name
             - trap-policer-id
         reply: &trap-policer-get-reply
-          value: 69
+          value: 71
           attributes: *trap-policer-id-attrs
       dump:
         request:
@@ -617,7 +617,7 @@ operations:
             - port-index
             - rate-node-name
         reply: &rate-get-reply
-          value: 74
+          value: 76
           attributes: *rate-id-attrs
       dump:
         request:
@@ -643,7 +643,7 @@ operations:
             - dev-name
             - linecard-index
         reply: &linecard-get-reply
-          value: 78
+          value: 80
           attributes: *linecard-id-attrs
       dump:
         request:

Documentation/networking/representors.rst

@@ -162,9 +162,11 @@ How are representors identified?
 The representor netdevice should *not* directly refer to a PCIe device (e.g.
 through ``net_dev->dev.parent`` / ``SET_NETDEV_DEV()``), either of the
 representee or of the switchdev function.
-Instead, it should implement the ``ndo_get_devlink_port()`` netdevice op, which
+Instead, the driver should use the ``SET_NETDEV_DEVLINK_PORT`` macro to
-the kernel uses to provide the ``phys_switch_id`` and ``phys_port_name`` sysfs
+assign a devlink port instance to the netdevice before registering the
-nodes.  (Some legacy drivers implement ``ndo_get_port_parent_id()`` and
+netdevice; the kernel uses the devlink port to provide the ``phys_switch_id``
+and ``phys_port_name`` sysfs nodes.
+(Some legacy drivers implement ``ndo_get_port_parent_id()`` and
 ``ndo_get_phys_port_name()`` directly, but this is deprecated.)  See
 :ref:`Documentation/networking/devlink/devlink-port.rst <devlink_port>` for the
 details of this API.

drivers/bluetooth/btrtl.c

@@ -962,13 +962,10 @@ static void btrtl_dmp_hdr(struct hci_dev *hdev, struct sk_buff *skb)
 	skb_put_data(skb, buf, strlen(buf));
 }
 
-static int btrtl_register_devcoredump_support(struct hci_dev *hdev)
+static void btrtl_register_devcoredump_support(struct hci_dev *hdev)
 {
-	int err;
+	hci_devcd_register(hdev, btrtl_coredump, btrtl_dmp_hdr, NULL);
 
-	err = hci_devcd_register(hdev, btrtl_coredump, btrtl_dmp_hdr, NULL);
-
-	return err;
 }
 
 void btrtl_set_driver_name(struct hci_dev *hdev, const char *driver_name)
@@ -1255,8 +1252,7 @@ int btrtl_download_firmware(struct hci_dev *hdev,
 	}
 
 done:
-	if (!err)
+	btrtl_register_devcoredump_support(hdev);
-		err = btrtl_register_devcoredump_support(hdev);
 
 	return err;
 }

drivers/bluetooth/hci_vhci.c

@@ -74,7 +74,10 @@ static int vhci_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
 	struct vhci_data *data = hci_get_drvdata(hdev);
 
 	memcpy(skb_push(skb, 1), &hci_skb_pkt_type(skb), 1);
+
+	mutex_lock(&data->open_mutex);
 	skb_queue_tail(&data->readq, skb);
+	mutex_unlock(&data->open_mutex);
 
 	wake_up_interruptible(&data->read_wait);
 	return 0;

drivers/net/bonding/bond_main.c

@@ -4023,7 +4023,7 @@ static inline const void *bond_pull_data(struct sk_buff *skb,
 	if (likely(n <= hlen))
 		return data;
 	else if (skb && likely(pskb_may_pull(skb, n)))
-		return skb->head;
+		return skb->data;
 
 	return NULL;
 }

drivers/net/dsa/bcm_sf2.c

@@ -617,17 +617,16 @@ static int bcm_sf2_mdio_register(struct dsa_switch *ds)
 	dn = of_find_compatible_node(NULL, NULL, "brcm,unimac-mdio");
 	priv->master_mii_bus = of_mdio_find_bus(dn);
 	if (!priv->master_mii_bus) {
-		of_node_put(dn);
+		err = -EPROBE_DEFER;
-		return -EPROBE_DEFER;
+		goto err_of_node_put;
 	}
 
-	get_device(&priv->master_mii_bus->dev);
 	priv->master_mii_dn = dn;
 
 	priv->slave_mii_bus = mdiobus_alloc();
 	if (!priv->slave_mii_bus) {
-		of_node_put(dn);
+		err = -ENOMEM;
-		return -ENOMEM;
+		goto err_put_master_mii_bus_dev;
 	}
 
 	priv->slave_mii_bus->priv = priv;
@@ -684,11 +683,17 @@ static int bcm_sf2_mdio_register(struct dsa_switch *ds)
 	}
 
 	err = mdiobus_register(priv->slave_mii_bus);
-	if (err && dn) {
+	if (err && dn)
-		mdiobus_free(priv->slave_mii_bus);
+		goto err_free_slave_mii_bus;
-		of_node_put(dn);
-	}
 
+	return 0;
+
+err_free_slave_mii_bus:
+	mdiobus_free(priv->slave_mii_bus);
+err_put_master_mii_bus_dev:
+	put_device(&priv->master_mii_bus->dev);
+err_of_node_put:
+	of_node_put(dn);
 	return err;
 }
 
@@ -696,6 +701,7 @@ static void bcm_sf2_mdio_unregister(struct bcm_sf2_priv *priv)
 {
 	mdiobus_unregister(priv->slave_mii_bus);
 	mdiobus_free(priv->slave_mii_bus);
+	put_device(&priv->master_mii_bus->dev);
 	of_node_put(priv->master_mii_dn);
 }
 

drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_io.c

@@ -911,7 +911,7 @@ static int csk_wait_memory(struct chtls_dev *cdev,
 			   struct sock *sk, long *timeo_p)
 {
 	DEFINE_WAIT_FUNC(wait, woken_wake_function);
-	int err = 0;
+	int ret, err = 0;
 	long current_timeo;
 	long vm_wait = 0;
 	bool noblock;
@@ -942,10 +942,13 @@ static int csk_wait_memory(struct chtls_dev *cdev,
 
 		set_bit(SOCK_NOSPACE, &sk->sk_socket->flags);
 		sk->sk_write_pending++;
-		sk_wait_event(sk, &current_timeo, sk->sk_err ||
+		ret = sk_wait_event(sk, &current_timeo, sk->sk_err ||
-			      (sk->sk_shutdown & SEND_SHUTDOWN) ||
+				    (sk->sk_shutdown & SEND_SHUTDOWN) ||
-			      (csk_mem_free(cdev, sk) && !vm_wait), &wait);
+				    (csk_mem_free(cdev, sk) && !vm_wait),
+				    &wait);
 		sk->sk_write_pending--;
+		if (ret < 0)
+			goto do_error;
 
 		if (vm_wait) {
 			vm_wait -= current_timeo;
@@ -1348,6 +1351,7 @@ static int chtls_pt_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
 	int copied = 0;
 	int target;
 	long timeo;
+	int ret;
 
 	buffers_freed = 0;
 
@@ -1423,7 +1427,11 @@ static int chtls_pt_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
 		if (copied >= target)
 			break;
 		chtls_cleanup_rbuf(sk, copied);
-		sk_wait_data(sk, &timeo, NULL);
+		ret = sk_wait_data(sk, &timeo, NULL);
+		if (ret < 0) {
+			copied = copied ? : ret;
+			goto unlock;
+		}
 		continue;
 found_ok_skb:
 		if (!skb->len) {
@@ -1518,6 +1526,8 @@ skip_copy:
 
 	if (buffers_freed)
 		chtls_cleanup_rbuf(sk, copied);
+
+unlock:
 	release_sock(sk);
 	return copied;
 }
@@ -1534,6 +1544,7 @@ static int peekmsg(struct sock *sk, struct msghdr *msg,
 	int copied = 0;
 	size_t avail;          /* amount of available data in current skb */
 	long timeo;
+	int ret;
 
 	lock_sock(sk);
 	timeo = sock_rcvtimeo(sk, flags & MSG_DONTWAIT);
@@ -1585,7 +1596,12 @@ static int peekmsg(struct sock *sk, struct msghdr *msg,
 			release_sock(sk);
 			lock_sock(sk);
 		} else {
-			sk_wait_data(sk, &timeo, NULL);
+			ret = sk_wait_data(sk, &timeo, NULL);
+			if (ret < 0) {
+				/* here 'copied' is 0 due to previous checks */
+				copied = ret;
+				break;
+			}
 		}
 
 		if (unlikely(peek_seq != tp->copied_seq)) {
@@ -1656,6 +1672,7 @@ int chtls_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
 	int copied = 0;
 	long timeo;
 	int target;             /* Read at least this many bytes */
+	int ret;
 
 	buffers_freed = 0;
 
@@ -1747,7 +1764,11 @@ int chtls_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
 		if (copied >= target)
 			break;
 		chtls_cleanup_rbuf(sk, copied);
-		sk_wait_data(sk, &timeo, NULL);
+		ret = sk_wait_data(sk, &timeo, NULL);
+		if (ret < 0) {
+			copied = copied ? : ret;
+			goto unlock;
+		}
 		continue;
 
 found_ok_skb:
@@ -1816,6 +1837,7 @@ skip_copy:
 	if (buffers_freed)
 		chtls_cleanup_rbuf(sk, copied);
 
+unlock:
 	release_sock(sk);
 	return copied;
 }

drivers/net/ethernet/google/gve/gve_rx.c

@@ -146,7 +146,7 @@ static int gve_prefill_rx_pages(struct gve_rx_ring *rx)
 		err = gve_rx_alloc_buffer(priv, &priv->pdev->dev, &rx->data.page_info[i],
 					  &rx->data.data_ring[i]);
 		if (err)
-			goto alloc_err;
+			goto alloc_err_rda;
 	}
 
 	if (!rx->data.raw_addressing) {
@@ -171,12 +171,26 @@ static int gve_prefill_rx_pages(struct gve_rx_ring *rx)
 	return slots;
 
 alloc_err_qpl:
+	/* Fully free the copy pool pages. */
 	while (j--) {
 		page_ref_sub(rx->qpl_copy_pool[j].page,
 			     rx->qpl_copy_pool[j].pagecnt_bias - 1);
 		put_page(rx->qpl_copy_pool[j].page);
 	}
-alloc_err:
+
+	/* Do not fully free QPL pages - only remove the bias added in this
+	 * function with gve_setup_rx_buffer.
+	 */
+	while (i--)
+		page_ref_sub(rx->data.page_info[i].page,
+			     rx->data.page_info[i].pagecnt_bias - 1);
+
+	gve_unassign_qpl(priv, rx->data.qpl->id);
+	rx->data.qpl = NULL;
+
+	return err;
+
+alloc_err_rda:
 	while (i--)
 		gve_rx_free_buffer(&priv->pdev->dev,
 				   &rx->data.page_info[i],

drivers/net/ethernet/intel/i40e/i40e_common.c

@@ -1082,7 +1082,7 @@ void i40e_clear_hw(struct i40e_hw *hw)
 		     I40E_PFLAN_QALLOC_FIRSTQ_SHIFT;
 	j = (val & I40E_PFLAN_QALLOC_LASTQ_MASK) >>
 	    I40E_PFLAN_QALLOC_LASTQ_SHIFT;
-	if (val & I40E_PFLAN_QALLOC_VALID_MASK)
+	if (val & I40E_PFLAN_QALLOC_VALID_MASK && j >= base_queue)
 		num_queues = (j - base_queue) + 1;
 	else
 		num_queues = 0;
@@ -1092,7 +1092,7 @@ void i40e_clear_hw(struct i40e_hw *hw)
 	    I40E_PF_VT_PFALLOC_FIRSTVF_SHIFT;
 	j = (val & I40E_PF_VT_PFALLOC_LASTVF_MASK) >>
 	    I40E_PF_VT_PFALLOC_LASTVF_SHIFT;
-	if (val & I40E_PF_VT_PFALLOC_VALID_MASK)
+	if (val & I40E_PF_VT_PFALLOC_VALID_MASK && j >= i)
 		num_vfs = (j - i) + 1;
 	else
 		num_vfs = 0;

drivers/net/ethernet/intel/ice/ice_lib.c

@@ -1201,8 +1201,7 @@ static void ice_set_rss_vsi_ctx(struct ice_vsi_ctx *ctxt, struct ice_vsi *vsi)
 
 	ctxt->info.q_opt_rss = ((lut_type << ICE_AQ_VSI_Q_OPT_RSS_LUT_S) &
 				ICE_AQ_VSI_Q_OPT_RSS_LUT_M) |
-				((hash_type << ICE_AQ_VSI_Q_OPT_RSS_HASH_S) &
+				(hash_type & ICE_AQ_VSI_Q_OPT_RSS_HASH_M);
-				 ICE_AQ_VSI_Q_OPT_RSS_HASH_M);
 }
 
 static void

drivers/net/ethernet/intel/ice/ice_main.c

@@ -6,6 +6,7 @@
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <generated/utsrelease.h>
+#include <linux/crash_dump.h>
 #include "ice.h"
 #include "ice_base.h"
 #include "ice_lib.h"
@@ -4683,6 +4684,9 @@ static void ice_init_features(struct ice_pf *pf)
 
 static void ice_deinit_features(struct ice_pf *pf)
 {
+	if (ice_is_safe_mode(pf))
+		return;
+
 	ice_deinit_lag(pf);
 	if (test_bit(ICE_FLAG_DCB_CAPABLE, pf->flags))
 		ice_cfg_lldp_mib_change(&pf->hw, false);
@@ -5014,6 +5018,20 @@ ice_probe(struct pci_dev *pdev, const struct pci_device_id __always_unused *ent)
 		return -EINVAL;
 	}
 
+	/* when under a kdump kernel initiate a reset before enabling the
+	 * device in order to clear out any pending DMA transactions. These
+	 * transactions can cause some systems to machine check when doing
+	 * the pcim_enable_device() below.
+	 */
+	if (is_kdump_kernel()) {
+		pci_save_state(pdev);
+		pci_clear_master(pdev);
+		err = pcie_flr(pdev);
+		if (err)
+			return err;
+		pci_restore_state(pdev);
+	}
+
 	/* this driver uses devres, see
 	 * Documentation/driver-api/driver-model/devres.rst
 	 */

drivers/net/ethernet/marvell/octeon_ep/octep_main.c

@@ -715,20 +715,19 @@ static netdev_tx_t octep_start_xmit(struct sk_buff *skb,
 		hw_desc->dptr = tx_buffer->sglist_dma;
 	}
 
-	/* Flush the hw descriptor before writing to doorbell */
+	netdev_tx_sent_queue(iq->netdev_q, skb->len);
-	wmb();
+	skb_tx_timestamp(skb);
-
-	/* Ring Doorbell to notify the NIC there is a new packet */
-	writel(1, iq->doorbell_reg);
 	atomic_inc(&iq->instr_pending);
 	wi++;
 	if (wi == iq->max_count)
 		wi = 0;
 	iq->host_write_index = wi;
+	/* Flush the hw descriptor before writing to doorbell */
+	wmb();
 
-	netdev_tx_sent_queue(iq->netdev_q, skb->len);
+	/* Ring Doorbell to notify the NIC there is a new packet */
+	writel(1, iq->doorbell_reg);
 	iq->stats.instr_posted++;
-	skb_tx_timestamp(skb);
 	return NETDEV_TX_OK;
 
 dma_map_sg_err:

drivers/net/ethernet/mellanox/mlx5/core/cmd.c

@@ -2186,52 +2186,23 @@ static u16 cmdif_rev(struct mlx5_core_dev *dev)
 
 int mlx5_cmd_init(struct mlx5_core_dev *dev)
 {
-	int size = sizeof(struct mlx5_cmd_prot_block);
-	int align = roundup_pow_of_two(size);
 	struct mlx5_cmd *cmd = &dev->cmd;
-	u32 cmd_l;
-	int err;
 
-	cmd->pool = dma_pool_create("mlx5_cmd", mlx5_core_dma_dev(dev), size, align, 0);
-	if (!cmd->pool)
-		return -ENOMEM;
-
-	err = alloc_cmd_page(dev, cmd);
-	if (err)
-		goto err_free_pool;
-
-	cmd_l = (u32)(cmd->dma);
-	if (cmd_l & 0xfff) {
-		mlx5_core_err(dev, "invalid command queue address\n");
-		err = -ENOMEM;
-		goto err_cmd_page;
-	}
 	cmd->checksum_disabled = 1;
 
 	spin_lock_init(&cmd->alloc_lock);
 	spin_lock_init(&cmd->token_lock);
 
-	create_msg_cache(dev);
-
 	set_wqname(dev);
 	cmd->wq = create_singlethread_workqueue(cmd->wq_name);
 	if (!cmd->wq) {
 		mlx5_core_err(dev, "failed to create command workqueue\n");
-		err = -ENOMEM;
+		return -ENOMEM;
-		goto err_cache;
 	}
 
 	mlx5_cmdif_debugfs_init(dev);
 
 	return 0;
-
-err_cache:
-	destroy_msg_cache(dev);
-err_cmd_page:
-	free_cmd_page(dev, cmd);
-err_free_pool:
-	dma_pool_destroy(cmd->pool);
-	return err;
 }
 
 void mlx5_cmd_cleanup(struct mlx5_core_dev *dev)
@@ -2240,15 +2211,15 @@ void mlx5_cmd_cleanup(struct mlx5_core_dev *dev)
 
 	mlx5_cmdif_debugfs_cleanup(dev);
 	destroy_workqueue(cmd->wq);
-	destroy_msg_cache(dev);
-	free_cmd_page(dev, cmd);
-	dma_pool_destroy(cmd->pool);
 }
 
 int mlx5_cmd_enable(struct mlx5_core_dev *dev)
 {
+	int size = sizeof(struct mlx5_cmd_prot_block);
+	int align = roundup_pow_of_two(size);
 	struct mlx5_cmd *cmd = &dev->cmd;
 	u32 cmd_h, cmd_l;
+	int err;
 
 	memset(&cmd->vars, 0, sizeof(cmd->vars));
 	cmd->vars.cmdif_rev = cmdif_rev(dev);
@@ -2281,10 +2252,21 @@ int mlx5_cmd_enable(struct mlx5_core_dev *dev)
 	sema_init(&cmd->vars.pages_sem, 1);
 	sema_init(&cmd->vars.throttle_sem, DIV_ROUND_UP(cmd->vars.max_reg_cmds, 2));
 
+	cmd->pool = dma_pool_create("mlx5_cmd", mlx5_core_dma_dev(dev), size, align, 0);
+	if (!cmd->pool)
+		return -ENOMEM;
+
+	err = alloc_cmd_page(dev, cmd);
+	if (err)
+		goto err_free_pool;
+
 	cmd_h = (u32)((u64)(cmd->dma) >> 32);
 	cmd_l = (u32)(cmd->dma);
-	if (WARN_ON(cmd_l & 0xfff))
+	if (cmd_l & 0xfff) {
-		return -EINVAL;
+		mlx5_core_err(dev, "invalid command queue address\n");
+		err = -ENOMEM;
+		goto err_cmd_page;
+	}
 
 	iowrite32be(cmd_h, &dev->iseg->cmdq_addr_h);
 	iowrite32be(cmd_l, &dev->iseg->cmdq_addr_l_sz);
@@ -2297,17 +2279,27 @@ int mlx5_cmd_enable(struct mlx5_core_dev *dev)
 	cmd->mode = CMD_MODE_POLLING;
 	cmd->allowed_opcode = CMD_ALLOWED_OPCODE_ALL;
 
+	create_msg_cache(dev);
 	create_debugfs_files(dev);
 
 	return 0;
+
+err_cmd_page:
+	free_cmd_page(dev, cmd);
+err_free_pool:
+	dma_pool_destroy(cmd->pool);
+	return err;
 }
 
 void mlx5_cmd_disable(struct mlx5_core_dev *dev)
 {
 	struct mlx5_cmd *cmd = &dev->cmd;
 
-	clean_debug_files(dev);
 	flush_workqueue(cmd->wq);
+	clean_debug_files(dev);
+	destroy_msg_cache(dev);
+	free_cmd_page(dev, cmd);
+	dma_pool_destroy(cmd->pool);
 }
 
 void mlx5_cmd_set_state(struct mlx5_core_dev *dev,

drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c

@@ -848,7 +848,7 @@ static void mlx5_fw_tracer_ownership_change(struct work_struct *work)
 
 	mlx5_core_dbg(tracer->dev, "FWTracer: ownership changed, current=(%d)\n", tracer->owner);
 	if (tracer->owner) {
-		tracer->owner = false;
+		mlx5_fw_tracer_ownership_acquire(tracer);
 		return;
 	}
 

drivers/net/ethernet/mellanox/mlx5/core/en/rep/bridge.c

@@ -467,6 +467,17 @@ static int mlx5_esw_bridge_switchdev_event(struct notifier_block *nb,
 		/* only handle the event on peers */
 		if (mlx5_esw_bridge_is_local(dev, rep, esw))
 			break;
+
+		fdb_info = container_of(info,
+					struct switchdev_notifier_fdb_info,
+					info);
+		/* Mark for deletion to prevent the update wq task from
+		 * spuriously refreshing the entry which would mark it again as
+		 * offloaded in SW bridge. After this fallthrough to regular
+		 * async delete code.
+		 */
+		mlx5_esw_bridge_fdb_mark_deleted(dev, vport_num, esw_owner_vhca_id, br_offloads,
+						 fdb_info);
 		fallthrough;
 	case SWITCHDEV_FDB_ADD_TO_DEVICE:
 	case SWITCHDEV_FDB_DEL_TO_DEVICE:

drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c

@@ -24,7 +24,8 @@ static int mlx5e_set_int_port_tunnel(struct mlx5e_priv *priv,
 
 	route_dev = dev_get_by_index(dev_net(e->out_dev), e->route_dev_ifindex);
 
-	if (!route_dev || !netif_is_ovs_master(route_dev))
+	if (!route_dev || !netif_is_ovs_master(route_dev) ||
+	    attr->parse_attr->filter_dev == e->out_dev)
 		goto out;
 
 	err = mlx5e_set_fwd_to_int_port_actions(priv, attr, e->route_dev_ifindex,

drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c

@@ -874,11 +874,11 @@ int mlx5e_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames,
 	}
 
 out:
-	if (flags & XDP_XMIT_FLUSH) {
+	if (sq->mpwqe.wqe)
-		if (sq->mpwqe.wqe)
+		mlx5e_xdp_mpwqe_complete(sq);
-			mlx5e_xdp_mpwqe_complete(sq);
+
+	if (flags & XDP_XMIT_FLUSH)
 		mlx5e_xmit_xdp_doorbell(sq);
-	}
 
 	return nxmit;
 }

drivers/net/ethernet/mellanox/mlx5/core/en_rep.c

@@ -701,7 +701,7 @@ mlx5e_rep_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats)
 
 	/* update HW stats in background for next time */
 	mlx5e_queue_update_stats(priv);
-	memcpy(stats, &priv->stats.vf_vport, sizeof(*stats));
+	mlx5e_stats_copy_rep_stats(stats, &priv->stats.rep_stats);
 }
 
 static int mlx5e_rep_change_mtu(struct net_device *netdev, int new_mtu)
@@ -769,6 +769,7 @@ static int mlx5e_rep_max_nch_limit(struct mlx5_core_dev *mdev)
 
 static void mlx5e_build_rep_params(struct net_device *netdev)
 {
+	const bool take_rtnl = netdev->reg_state == NETREG_REGISTERED;
 	struct mlx5e_priv *priv = netdev_priv(netdev);
 	struct mlx5e_rep_priv *rpriv = priv->ppriv;
 	struct mlx5_eswitch_rep *rep = rpriv->rep;
@@ -794,8 +795,15 @@ static void mlx5e_build_rep_params(struct net_device *netdev)
 	/* RQ */
 	mlx5e_build_rq_params(mdev, params);
 
+	/* If netdev is already registered (e.g. move from nic profile to uplink,
+	 * RTNL lock must be held before triggering netdev notifiers.
+	 */
+	if (take_rtnl)
+		rtnl_lock();
 	/* update XDP supported features */
 	mlx5e_set_xdp_feature(netdev);
+	if (take_rtnl)
+		rtnl_unlock();
 
 	/* CQ moderation params */
 	params->rx_dim_enabled = MLX5_CAP_GEN(mdev, cq_moderation);

drivers/net/ethernet/mellanox/mlx5/core/en_rx.c

@@ -457,26 +457,41 @@ static int mlx5e_alloc_rx_wqes(struct mlx5e_rq *rq, u16 ix, int wqe_bulk)
 static int mlx5e_refill_rx_wqes(struct mlx5e_rq *rq, u16 ix, int wqe_bulk)
 {
 	int remaining = wqe_bulk;
-	int i = 0;
+	int total_alloc = 0;
+	int refill_alloc;
+	int refill;
 
 	/* The WQE bulk is split into smaller bulks that are sized
 	 * according to the page pool cache refill size to avoid overflowing
 	 * the page pool cache due to too many page releases at once.
 	 */
 	do {
-		int refill = min_t(u16, rq->wqe.info.refill_unit, remaining);
+		refill = min_t(u16, rq->wqe.info.refill_unit, remaining);
-		int alloc_count;
 
-		mlx5e_free_rx_wqes(rq, ix + i, refill);
+		mlx5e_free_rx_wqes(rq, ix + total_alloc, refill);
-		alloc_count = mlx5e_alloc_rx_wqes(rq, ix + i, refill);
+		refill_alloc = mlx5e_alloc_rx_wqes(rq, ix + total_alloc, refill);
-		i += alloc_count;
+		if (unlikely(refill_alloc != refill))
-		if (unlikely(alloc_count != refill))
+			goto err_free;
-			break;
 
+		total_alloc += refill_alloc;
 		remaining -= refill;
 	} while (remaining);
 
-	return i;
+	return total_alloc;
+
+err_free:
+	mlx5e_free_rx_wqes(rq, ix, total_alloc + refill_alloc);
+
+	for (int i = 0; i < total_alloc + refill; i++) {
+		int j = mlx5_wq_cyc_ctr2ix(&rq->wqe.wq, ix + i);
+		struct mlx5e_wqe_frag_info *frag;
+
+		frag = get_frag(rq, j);
+		for (int k = 0; k < rq->wqe.info.num_frags; k++, frag++)
+			frag->flags |= BIT(MLX5E_WQE_FRAG_SKIP_RELEASE);
+	}
+
+	return 0;
 }
 
 static void
@@ -816,6 +831,8 @@ err_unmap:
 		mlx5e_page_release_fragmented(rq, frag_page);
 	}
 
+	bitmap_fill(wi->skip_release_bitmap, rq->mpwqe.pages_per_wqe);
+
 err:
 	rq->stats->buff_alloc_err++;
 

drivers/net/ethernet/mellanox/mlx5/core/en_stats.h

@@ -484,11 +484,20 @@ struct mlx5e_stats {
 	struct mlx5e_vnic_env_stats vnic;
 	struct mlx5e_vport_stats vport;
 	struct mlx5e_pport_stats pport;
-	struct rtnl_link_stats64 vf_vport;
 	struct mlx5e_pcie_stats pcie;
 	struct mlx5e_rep_stats rep_stats;
 };
 
+static inline void mlx5e_stats_copy_rep_stats(struct rtnl_link_stats64 *vf_vport,
+					      struct mlx5e_rep_stats *rep_stats)
+{
+	memset(vf_vport, 0, sizeof(*vf_vport));
+	vf_vport->rx_packets = rep_stats->vport_rx_packets;
+	vf_vport->tx_packets = rep_stats->vport_tx_packets;
+	vf_vport->rx_bytes = rep_stats->vport_rx_bytes;
+	vf_vport->tx_bytes = rep_stats->vport_tx_bytes;
+}
+
 extern mlx5e_stats_grp_t mlx5e_nic_stats_grps[];
 unsigned int mlx5e_nic_stats_grps_num(struct mlx5e_priv *priv);
 

drivers/net/ethernet/mellanox/mlx5/core/en_tc.c

@@ -4972,7 +4972,8 @@ static int scan_tc_matchall_fdb_actions(struct mlx5e_priv *priv,
 			if (err)
 				return err;
 
-			rpriv->prev_vf_vport_stats = priv->stats.vf_vport;
+			mlx5e_stats_copy_rep_stats(&rpriv->prev_vf_vport_stats,
+						   &priv->stats.rep_stats);
 			break;
 		default:
 			NL_SET_ERR_MSG_MOD(extack, "mlx5 supports only police action for matchall");
@@ -5012,7 +5013,7 @@ void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv,
 	u64 dbytes;
 	u64 dpkts;
 
-	cur_stats = priv->stats.vf_vport;
+	mlx5e_stats_copy_rep_stats(&cur_stats, &priv->stats.rep_stats);
 	dpkts = cur_stats.rx_packets - rpriv->prev_vf_vport_stats.rx_packets;
 	dbytes = cur_stats.rx_bytes - rpriv->prev_vf_vport_stats.rx_bytes;
 	rpriv->prev_vf_vport_stats = cur_stats;

drivers/net/ethernet/mellanox/mlx5/core/esw/bridge.c

@@ -1748,6 +1748,28 @@ void mlx5_esw_bridge_fdb_update_used(struct net_device *dev, u16 vport_num, u16
 	entry->lastuse = jiffies;
 }
 
+void mlx5_esw_bridge_fdb_mark_deleted(struct net_device *dev, u16 vport_num, u16 esw_owner_vhca_id,
+				      struct mlx5_esw_bridge_offloads *br_offloads,
+				      struct switchdev_notifier_fdb_info *fdb_info)
+{
+	struct mlx5_esw_bridge_fdb_entry *entry;
+	struct mlx5_esw_bridge *bridge;
+
+	bridge = mlx5_esw_bridge_from_port_lookup(vport_num, esw_owner_vhca_id, br_offloads);
+	if (!bridge)
+		return;
+
+	entry = mlx5_esw_bridge_fdb_lookup(bridge, fdb_info->addr, fdb_info->vid);
+	if (!entry) {
+		esw_debug(br_offloads->esw->dev,
+			  "FDB mark deleted entry with specified key not found (MAC=%pM,vid=%u,vport=%u)\n",
+			  fdb_info->addr, fdb_info->vid, vport_num);
+		return;
+	}
+
+	entry->flags |= MLX5_ESW_BRIDGE_FLAG_DELETED;
+}
+
 void mlx5_esw_bridge_fdb_create(struct net_device *dev, u16 vport_num, u16 esw_owner_vhca_id,
 				struct mlx5_esw_bridge_offloads *br_offloads,
 				struct switchdev_notifier_fdb_info *fdb_info)
@@ -1810,7 +1832,8 @@ void mlx5_esw_bridge_update(struct mlx5_esw_bridge_offloads *br_offloads)
 			unsigned long lastuse =
 				(unsigned long)mlx5_fc_query_lastuse(entry->ingress_counter);
 
-			if (entry->flags & MLX5_ESW_BRIDGE_FLAG_ADDED_BY_USER)
+			if (entry->flags & (MLX5_ESW_BRIDGE_FLAG_ADDED_BY_USER |
+					    MLX5_ESW_BRIDGE_FLAG_DELETED))
 				continue;
 
 			if (time_after(lastuse, entry->lastuse))

drivers/net/ethernet/mellanox/mlx5/core/esw/bridge.h

@@ -62,6 +62,9 @@ int mlx5_esw_bridge_vport_peer_unlink(struct net_device *br_netdev, u16 vport_nu
 void mlx5_esw_bridge_fdb_update_used(struct net_device *dev, u16 vport_num, u16 esw_owner_vhca_id,
 				     struct mlx5_esw_bridge_offloads *br_offloads,
 				     struct switchdev_notifier_fdb_info *fdb_info);
+void mlx5_esw_bridge_fdb_mark_deleted(struct net_device *dev, u16 vport_num, u16 esw_owner_vhca_id,
+				      struct mlx5_esw_bridge_offloads *br_offloads,
+				      struct switchdev_notifier_fdb_info *fdb_info);
 void mlx5_esw_bridge_fdb_create(struct net_device *dev, u16 vport_num, u16 esw_owner_vhca_id,
 				struct mlx5_esw_bridge_offloads *br_offloads,
 				struct switchdev_notifier_fdb_info *fdb_info);

drivers/net/ethernet/mellanox/mlx5/core/esw/bridge_priv.h

@@ -133,6 +133,7 @@ struct mlx5_esw_bridge_mdb_key {
 enum {
 	MLX5_ESW_BRIDGE_FLAG_ADDED_BY_USER = BIT(0),
 	MLX5_ESW_BRIDGE_FLAG_PEER = BIT(1),
+	MLX5_ESW_BRIDGE_FLAG_DELETED = BIT(2),
 };
 
 enum {

drivers/net/ethernet/mellanox/mlx5/core/eswitch.c

@@ -1038,11 +1038,8 @@ const u32 *mlx5_esw_query_functions(struct mlx5_core_dev *dev)
 	return ERR_PTR(err);
 }
 
-static void mlx5_eswitch_event_handlers_register(struct mlx5_eswitch *esw)
+static void mlx5_eswitch_event_handler_register(struct mlx5_eswitch *esw)
 {
-	MLX5_NB_INIT(&esw->nb, eswitch_vport_event, NIC_VPORT_CHANGE);
-	mlx5_eq_notifier_register(esw->dev, &esw->nb);
-
 	if (esw->mode == MLX5_ESWITCH_OFFLOADS && mlx5_eswitch_is_funcs_handler(esw->dev)) {
 		MLX5_NB_INIT(&esw->esw_funcs.nb, mlx5_esw_funcs_changed_handler,
 			     ESW_FUNCTIONS_CHANGED);
@@ -1050,13 +1047,11 @@ static void mlx5_eswitch_event_handlers_register(struct mlx5_eswitch *esw)
 	}
 }
 
-static void mlx5_eswitch_event_handlers_unregister(struct mlx5_eswitch *esw)
+static void mlx5_eswitch_event_handler_unregister(struct mlx5_eswitch *esw)
 {
 	if (esw->mode == MLX5_ESWITCH_OFFLOADS && mlx5_eswitch_is_funcs_handler(esw->dev))
 		mlx5_eq_notifier_unregister(esw->dev, &esw->esw_funcs.nb);
 
-	mlx5_eq_notifier_unregister(esw->dev, &esw->nb);
-
 	flush_workqueue(esw->work_queue);
 }
 
@@ -1483,6 +1478,9 @@ int mlx5_eswitch_enable_locked(struct mlx5_eswitch *esw, int num_vfs)
 
 	mlx5_eswitch_update_num_of_vfs(esw, num_vfs);
 
+	MLX5_NB_INIT(&esw->nb, eswitch_vport_event, NIC_VPORT_CHANGE);
+	mlx5_eq_notifier_register(esw->dev, &esw->nb);
+
 	if (esw->mode == MLX5_ESWITCH_LEGACY) {
 		err = esw_legacy_enable(esw);
 	} else {
@@ -1495,7 +1493,7 @@ int mlx5_eswitch_enable_locked(struct mlx5_eswitch *esw, int num_vfs)
 
 	esw->fdb_table.flags |= MLX5_ESW_FDB_CREATED;
 
-	mlx5_eswitch_event_handlers_register(esw);
+	mlx5_eswitch_event_handler_register(esw);
 
 	esw_info(esw->dev, "Enable: mode(%s), nvfs(%d), necvfs(%d), active vports(%d)\n",
 		 esw->mode == MLX5_ESWITCH_LEGACY ? "LEGACY" : "OFFLOADS",
@@ -1622,7 +1620,8 @@ void mlx5_eswitch_disable_locked(struct mlx5_eswitch *esw)
 	 */
 	mlx5_esw_mode_change_notify(esw, MLX5_ESWITCH_LEGACY);
 
-	mlx5_eswitch_event_handlers_unregister(esw);
+	mlx5_eq_notifier_unregister(esw->dev, &esw->nb);
+	mlx5_eswitch_event_handler_unregister(esw);
 
 	esw_info(esw->dev, "Disable: mode(%s), nvfs(%d), necvfs(%d), active vports(%d)\n",
 		 esw->mode == MLX5_ESWITCH_LEGACY ? "LEGACY" : "OFFLOADS",

drivers/net/ethernet/qlogic/qed/qed_ll2.c

@@ -113,7 +113,10 @@ static void qed_ll2b_complete_tx_packet(void *cxt,
 static int qed_ll2_alloc_buffer(struct qed_dev *cdev,
 				u8 **data, dma_addr_t *phys_addr)
 {
-	*data = kmalloc(cdev->ll2->rx_size, GFP_ATOMIC);
+	size_t size = cdev->ll2->rx_size + NET_SKB_PAD +
+		      SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
+
+	*data = kmalloc(size, GFP_ATOMIC);
 	if (!(*data)) {
 		DP_INFO(cdev, "Failed to allocate LL2 buffer data\n");
 		return -ENOMEM;
@@ -2589,7 +2592,7 @@ static int qed_ll2_start(struct qed_dev *cdev, struct qed_ll2_params *params)
 	INIT_LIST_HEAD(&cdev->ll2->list);
 	spin_lock_init(&cdev->ll2->lock);
 
-	cdev->ll2->rx_size = NET_SKB_PAD + ETH_HLEN +
+	cdev->ll2->rx_size = PRM_DMA_PAD_BYTES_NUM + ETH_HLEN +
 			     L1_CACHE_BYTES + params->mtu;
 
 	/* Allocate memory for LL2.

drivers/net/ethernet/ti/Kconfig

@@ -90,12 +90,16 @@ config TI_CPTS
 	  The unit can time stamp PTP UDP/IPv4 and Layer 2 packets, and the
 	  driver offers a PTP Hardware Clock.
 
+config TI_K3_CPPI_DESC_POOL
+	tristate
+
 config TI_K3_AM65_CPSW_NUSS
 	tristate "TI K3 AM654x/J721E CPSW Ethernet driver"
 	depends on ARCH_K3 && OF && TI_K3_UDMA_GLUE_LAYER
 	select NET_DEVLINK
 	select TI_DAVINCI_MDIO
 	select PHYLINK
+	select TI_K3_CPPI_DESC_POOL
 	imply PHY_TI_GMII_SEL
 	depends on TI_K3_AM65_CPTS || !TI_K3_AM65_CPTS
 	help
@@ -187,6 +191,7 @@ config TI_ICSSG_PRUETH
 	tristate "TI Gigabit PRU Ethernet driver"
 	select PHYLIB
 	select TI_ICSS_IEP
+	select TI_K3_CPPI_DESC_POOL
 	depends on PRU_REMOTEPROC
 	depends on ARCH_K3 && OF && TI_K3_UDMA_GLUE_LAYER
 	help

drivers/net/ethernet/ti/Makefile

@@ -24,14 +24,15 @@ keystone_netcp-y := netcp_core.o cpsw_ale.o
 obj-$(CONFIG_TI_KEYSTONE_NETCP_ETHSS) += keystone_netcp_ethss.o
 keystone_netcp_ethss-y := netcp_ethss.o netcp_sgmii.o netcp_xgbepcsr.o cpsw_ale.o
 
+obj-$(CONFIG_TI_K3_CPPI_DESC_POOL) += k3-cppi-desc-pool.o
+
 obj-$(CONFIG_TI_K3_AM65_CPSW_NUSS) += ti-am65-cpsw-nuss.o
-ti-am65-cpsw-nuss-y := am65-cpsw-nuss.o cpsw_sl.o am65-cpsw-ethtool.o cpsw_ale.o k3-cppi-desc-pool.o am65-cpsw-qos.o
+ti-am65-cpsw-nuss-y := am65-cpsw-nuss.o cpsw_sl.o am65-cpsw-ethtool.o cpsw_ale.o am65-cpsw-qos.o
 ti-am65-cpsw-nuss-$(CONFIG_TI_K3_AM65_CPSW_SWITCHDEV) += am65-cpsw-switchdev.o
 obj-$(CONFIG_TI_K3_AM65_CPTS) += am65-cpts.o
 
 obj-$(CONFIG_TI_ICSSG_PRUETH) += icssg-prueth.o
-icssg-prueth-y := k3-cppi-desc-pool.o \
+icssg-prueth-y := icssg/icssg_prueth.o \
-		  icssg/icssg_prueth.o \
 		  icssg/icssg_classifier.o \
 		  icssg/icssg_queues.o \
 		  icssg/icssg_config.o \

drivers/net/ethernet/ti/icssg/icssg_config.c

@@ -379,9 +379,9 @@ int icssg_config(struct prueth *prueth, struct prueth_emac *emac, int slice)
 
 /* Bitmask for ICSSG r30 commands */
 static const struct icssg_r30_cmd emac_r32_bitmask[] = {
-	{{0xffff0004, 0xffff0100, 0xffff0100, EMAC_NONE}},	/* EMAC_PORT_DISABLE */
+	{{0xffff0004, 0xffff0100, 0xffff0004, EMAC_NONE}},	/* EMAC_PORT_DISABLE */
 	{{0xfffb0040, 0xfeff0200, 0xfeff0200, EMAC_NONE}},	/* EMAC_PORT_BLOCK */
-	{{0xffbb0000, 0xfcff0000, 0xdcff0000, EMAC_NONE}},	/* EMAC_PORT_FORWARD */
+	{{0xffbb0000, 0xfcff0000, 0xdcfb0000, EMAC_NONE}},	/* EMAC_PORT_FORWARD */
 	{{0xffbb0000, 0xfcff0000, 0xfcff2000, EMAC_NONE}},	/* EMAC_PORT_FORWARD_WO_LEARNING */
 	{{0xffff0001, EMAC_NONE,  EMAC_NONE, EMAC_NONE}},	/* ACCEPT ALL */
 	{{0xfffe0002, EMAC_NONE,  EMAC_NONE, EMAC_NONE}},	/* ACCEPT TAGGED */

drivers/net/ethernet/ti/icssg/icssg_stats.c

@@ -9,6 +9,9 @@
 #include "icssg_stats.h"
 #include <linux/regmap.h>
 
+#define ICSSG_TX_PACKET_OFFSET	0xA0
+#define ICSSG_TX_BYTE_OFFSET	0xEC
+
 static u32 stats_base[] = {	0x54c,	/* Slice 0 stats start */
 				0xb18,	/* Slice 1 stats start */
 };
@@ -18,6 +21,7 @@ void emac_update_hardware_stats(struct prueth_emac *emac)
 	struct prueth *prueth = emac->prueth;
 	int slice = prueth_emac_slice(emac);
 	u32 base = stats_base[slice];
+	u32 tx_pkt_cnt = 0;
 	u32 val;
 	int i;
 
@@ -29,7 +33,12 @@ void emac_update_hardware_stats(struct prueth_emac *emac)
 			     base + icssg_all_stats[i].offset,
 			     val);
 
+		if (icssg_all_stats[i].offset == ICSSG_TX_PACKET_OFFSET)
+			tx_pkt_cnt = val;
+
 		emac->stats[i] += val;
+		if (icssg_all_stats[i].offset == ICSSG_TX_BYTE_OFFSET)
+			emac->stats[i] -= tx_pkt_cnt * 8;
 	}
 }
 

drivers/net/ethernet/ti/k3-cppi-desc-pool.c

@@ -39,6 +39,7 @@ void k3_cppi_desc_pool_destroy(struct k3_cppi_desc_pool *pool)
 
 	gen_pool_destroy(pool->gen_pool);	/* frees pool->name */
 }
+EXPORT_SYMBOL_GPL(k3_cppi_desc_pool_destroy);
 
 struct k3_cppi_desc_pool *
 k3_cppi_desc_pool_create_name(struct device *dev, size_t size,
@@ -98,29 +99,38 @@ gen_pool_create_fail:
 	devm_kfree(pool->dev, pool);
 	return ERR_PTR(ret);
 }
+EXPORT_SYMBOL_GPL(k3_cppi_desc_pool_create_name);
 
 dma_addr_t k3_cppi_desc_pool_virt2dma(struct k3_cppi_desc_pool *pool,
 				      void *addr)
 {
 	return addr ? pool->dma_addr + (addr - pool->cpumem) : 0;
 }
+EXPORT_SYMBOL_GPL(k3_cppi_desc_pool_virt2dma);
 
 void *k3_cppi_desc_pool_dma2virt(struct k3_cppi_desc_pool *pool, dma_addr_t dma)
 {
 	return dma ? pool->cpumem + (dma - pool->dma_addr) : NULL;
 }
+EXPORT_SYMBOL_GPL(k3_cppi_desc_pool_dma2virt);
 
 void *k3_cppi_desc_pool_alloc(struct k3_cppi_desc_pool *pool)
 {
 	return (void *)gen_pool_alloc(pool->gen_pool, pool->desc_size);
 }
+EXPORT_SYMBOL_GPL(k3_cppi_desc_pool_alloc);
 
 void k3_cppi_desc_pool_free(struct k3_cppi_desc_pool *pool, void *addr)
 {
 	gen_pool_free(pool->gen_pool, (unsigned long)addr, pool->desc_size);
 }
+EXPORT_SYMBOL_GPL(k3_cppi_desc_pool_free);
 
 size_t k3_cppi_desc_pool_avail(struct k3_cppi_desc_pool *pool)
 {
 	return gen_pool_avail(pool->gen_pool) / pool->desc_size;
 }
+EXPORT_SYMBOL_GPL(k3_cppi_desc_pool_avail);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("TI K3 CPPI5 descriptors pool API");

drivers/net/mdio/mdio-mux.c

@@ -55,6 +55,27 @@ out:
 	return r;
 }
 
+static int mdio_mux_read_c45(struct mii_bus *bus, int phy_id, int dev_addr,
+			     int regnum)
+{
+	struct mdio_mux_child_bus *cb = bus->priv;
+	struct mdio_mux_parent_bus *pb = cb->parent;
+	int r;
+
+	mutex_lock_nested(&pb->mii_bus->mdio_lock, MDIO_MUTEX_MUX);
+	r = pb->switch_fn(pb->current_child, cb->bus_number, pb->switch_data);
+	if (r)
+		goto out;
+
+	pb->current_child = cb->bus_number;
+
+	r = pb->mii_bus->read_c45(pb->mii_bus, phy_id, dev_addr, regnum);
+out:
+	mutex_unlock(&pb->mii_bus->mdio_lock);
+
+	return r;
+}
+
 /*
  * The parent bus' lock is used to order access to the switch_fn.
  */
@@ -80,6 +101,28 @@ out:
 	return r;
 }
 
+static int mdio_mux_write_c45(struct mii_bus *bus, int phy_id, int dev_addr,
+			      int regnum, u16 val)
+{
+	struct mdio_mux_child_bus *cb = bus->priv;
+	struct mdio_mux_parent_bus *pb = cb->parent;
+
+	int r;
+
+	mutex_lock_nested(&pb->mii_bus->mdio_lock, MDIO_MUTEX_MUX);
+	r = pb->switch_fn(pb->current_child, cb->bus_number, pb->switch_data);
+	if (r)
+		goto out;
+
+	pb->current_child = cb->bus_number;
+
+	r = pb->mii_bus->write_c45(pb->mii_bus, phy_id, dev_addr, regnum, val);
+out:
+	mutex_unlock(&pb->mii_bus->mdio_lock);
+
+	return r;
+}
+
 static int parent_count;
 
 static void mdio_mux_uninit_children(struct mdio_mux_parent_bus *pb)
@@ -173,6 +216,10 @@ int mdio_mux_init(struct device *dev,
 		cb->mii_bus->parent = dev;
 		cb->mii_bus->read = mdio_mux_read;
 		cb->mii_bus->write = mdio_mux_write;
+		if (parent_bus->read_c45)
+			cb->mii_bus->read_c45 = mdio_mux_read_c45;
+		if (parent_bus->write_c45)
+			cb->mii_bus->write_c45 = mdio_mux_write_c45;
 		r = of_mdiobus_register(cb->mii_bus, child_bus_node);
 		if (r) {
 			mdiobus_free(cb->mii_bus);

drivers/net/phy/bcm7xxx.c

@@ -894,6 +894,9 @@ static int bcm7xxx_28nm_probe(struct phy_device *phydev)
 	.name		= _name,					\
 	/* PHY_BASIC_FEATURES */					\
 	.flags		= PHY_IS_INTERNAL,				\
+	.get_sset_count	= bcm_phy_get_sset_count,			\
+	.get_strings	= bcm_phy_get_strings,				\
+	.get_stats	= bcm7xxx_28nm_get_phy_stats,			\
 	.probe		= bcm7xxx_28nm_probe,				\
 	.config_init	= bcm7xxx_16nm_ephy_config_init,		\
 	.config_aneg	= genphy_config_aneg,				\

drivers/net/tun.c

@@ -3073,10 +3073,11 @@ static long __tun_chr_ioctl(struct file *file, unsigned int cmd,
 	struct net *net = sock_net(&tfile->sk);
 	struct tun_struct *tun;
 	void __user* argp = (void __user*)arg;
-	unsigned int ifindex, carrier;
+	unsigned int carrier;
 	struct ifreq ifr;
 	kuid_t owner;
 	kgid_t group;
+	int ifindex;
 	int sndbuf;
 	int vnet_hdr_sz;
 	int le;
@@ -3132,7 +3133,9 @@ static long __tun_chr_ioctl(struct file *file, unsigned int cmd,
 		ret = -EFAULT;
 		if (copy_from_user(&ifindex, argp, sizeof(ifindex)))
 			goto unlock;
-
+		ret = -EINVAL;
+		if (ifindex < 0)
+			goto unlock;
 		ret = 0;
 		tfile->ifindex = ifindex;
 		goto unlock;

drivers/net/usb/smsc95xx.c

@@ -897,7 +897,7 @@ static int smsc95xx_reset(struct usbnet *dev)
 
 	if (timeout >= 100) {
 		netdev_warn(dev->net, "timeout waiting for completion of Lite Reset\n");
-		return ret;
+		return -ETIMEDOUT;
 	}
 
 	ret = smsc95xx_set_mac_address(dev);

drivers/net/wwan/iosm/iosm_ipc_imem.c

@@ -4,7 +4,6 @@
  */
 
 #include <linux/delay.h>
-#include <linux/pm_runtime.h>
 
 #include "iosm_ipc_chnl_cfg.h"
 #include "iosm_ipc_devlink.h"
@@ -632,11 +631,6 @@ static void ipc_imem_run_state_worker(struct work_struct *instance)
 	/* Complete all memory stores after setting bit */
 	smp_mb__after_atomic();
 
-	if (ipc_imem->pcie->pci->device == INTEL_CP_DEVICE_7560_ID) {
-		pm_runtime_mark_last_busy(ipc_imem->dev);
-		pm_runtime_put_autosuspend(ipc_imem->dev);
-	}
-
 	return;
 
 err_ipc_mux_deinit:
@@ -1240,7 +1234,6 @@ void ipc_imem_cleanup(struct iosm_imem *ipc_imem)
 
 	/* forward MDM_NOT_READY to listeners */
 	ipc_uevent_send(ipc_imem->dev, UEVENT_MDM_NOT_READY);
-	pm_runtime_get_sync(ipc_imem->dev);
 
 	hrtimer_cancel(&ipc_imem->td_alloc_timer);
 	hrtimer_cancel(&ipc_imem->tdupdate_timer);
@@ -1426,16 +1419,6 @@ struct iosm_imem *ipc_imem_init(struct iosm_pcie *pcie, unsigned int device_id,
 
 		set_bit(IOSM_DEVLINK_INIT, &ipc_imem->flag);
 	}
-
-	if (!pm_runtime_enabled(ipc_imem->dev))
-		pm_runtime_enable(ipc_imem->dev);
-
-	pm_runtime_set_autosuspend_delay(ipc_imem->dev,
-					 IPC_MEM_AUTO_SUSPEND_DELAY_MS);
-	pm_runtime_use_autosuspend(ipc_imem->dev);
-	pm_runtime_allow(ipc_imem->dev);
-	pm_runtime_mark_last_busy(ipc_imem->dev);
-
 	return ipc_imem;
 devlink_channel_fail:
 	ipc_devlink_deinit(ipc_imem->ipc_devlink);

drivers/net/wwan/iosm/iosm_ipc_imem.h

@@ -103,8 +103,6 @@ struct ipc_chnl_cfg;
 #define FULLY_FUNCTIONAL 0
 #define IOSM_DEVLINK_INIT 1
 
-#define IPC_MEM_AUTO_SUSPEND_DELAY_MS 5000
-
 /* List of the supported UL/DL pipes. */
 enum ipc_mem_pipes {
 	IPC_MEM_PIPE_0 = 0,

drivers/net/wwan/iosm/iosm_ipc_pcie.c

@@ -6,7 +6,6 @@
 #include <linux/acpi.h>
 #include <linux/bitfield.h>
 #include <linux/module.h>
-#include <linux/pm_runtime.h>
 #include <net/rtnetlink.h>
 
 #include "iosm_ipc_imem.h"
@@ -438,8 +437,7 @@ static int __maybe_unused ipc_pcie_resume_cb(struct device *dev)
 	return 0;
 }
 
-static DEFINE_RUNTIME_DEV_PM_OPS(iosm_ipc_pm, ipc_pcie_suspend_cb,
+static SIMPLE_DEV_PM_OPS(iosm_ipc_pm, ipc_pcie_suspend_cb, ipc_pcie_resume_cb);
-				 ipc_pcie_resume_cb, NULL);
 
 static struct pci_driver iosm_ipc_driver = {
 	.name = KBUILD_MODNAME,

drivers/net/wwan/iosm/iosm_ipc_port.c

@@ -3,8 +3,6 @@
  * Copyright (C) 2020-21 Intel Corporation.
  */
 
-#include <linux/pm_runtime.h>
-
 #include "iosm_ipc_chnl_cfg.h"
 #include "iosm_ipc_imem_ops.h"
 #include "iosm_ipc_port.h"
@@ -15,16 +13,12 @@ static int ipc_port_ctrl_start(struct wwan_port *port)
 	struct iosm_cdev *ipc_port = wwan_port_get_drvdata(port);
 	int ret = 0;
 
-	pm_runtime_get_sync(ipc_port->ipc_imem->dev);
 	ipc_port->channel = ipc_imem_sys_port_open(ipc_port->ipc_imem,
 						   ipc_port->chl_id,
 						   IPC_HP_CDEV_OPEN);
 	if (!ipc_port->channel)
 		ret = -EIO;
 
-	pm_runtime_mark_last_busy(ipc_port->ipc_imem->dev);
-	pm_runtime_put_autosuspend(ipc_port->ipc_imem->dev);
-
 	return ret;
 }
 
@@ -33,24 +27,15 @@ static void ipc_port_ctrl_stop(struct wwan_port *port)
 {
 	struct iosm_cdev *ipc_port = wwan_port_get_drvdata(port);
 
-	pm_runtime_get_sync(ipc_port->ipc_imem->dev);
 	ipc_imem_sys_port_close(ipc_port->ipc_imem, ipc_port->channel);
-	pm_runtime_mark_last_busy(ipc_port->ipc_imem->dev);
-	pm_runtime_put_autosuspend(ipc_port->ipc_imem->dev);
 }
 
 /* transfer control data to modem */
 static int ipc_port_ctrl_tx(struct wwan_port *port, struct sk_buff *skb)
 {
 	struct iosm_cdev *ipc_port = wwan_port_get_drvdata(port);
-	int ret;
 
-	pm_runtime_get_sync(ipc_port->ipc_imem->dev);
+	return ipc_imem_sys_cdev_write(ipc_port, skb);
-	ret = ipc_imem_sys_cdev_write(ipc_port, skb);
-	pm_runtime_mark_last_busy(ipc_port->ipc_imem->dev);
-	pm_runtime_put_autosuspend(ipc_port->ipc_imem->dev);
-
-	return ret;
 }
 
 static const struct wwan_port_ops ipc_wwan_ctrl_ops = {

drivers/net/wwan/iosm/iosm_ipc_trace.c

@@ -3,9 +3,7 @@
  * Copyright (C) 2020-2021 Intel Corporation.
  */
 
-#include <linux/pm_runtime.h>
 #include <linux/wwan.h>
-
 #include "iosm_ipc_trace.h"
 
 /* sub buffer size and number of sub buffer */
@@ -99,8 +97,6 @@ static ssize_t ipc_trace_ctrl_file_write(struct file *filp,
 	if (ret)
 		return ret;
 
-	pm_runtime_get_sync(ipc_trace->ipc_imem->dev);
-
 	mutex_lock(&ipc_trace->trc_mutex);
 	if (val == TRACE_ENABLE && ipc_trace->mode != TRACE_ENABLE) {
 		ipc_trace->channel = ipc_imem_sys_port_open(ipc_trace->ipc_imem,
@@ -121,10 +117,6 @@ static ssize_t ipc_trace_ctrl_file_write(struct file *filp,
 	ret = count;
 unlock:
 	mutex_unlock(&ipc_trace->trc_mutex);
-
-	pm_runtime_mark_last_busy(ipc_trace->ipc_imem->dev);
-	pm_runtime_put_autosuspend(ipc_trace->ipc_imem->dev);
-
 	return ret;
 }
 

drivers/net/wwan/iosm/iosm_ipc_wwan.c

@@ -6,7 +6,6 @@
 #include <linux/etherdevice.h>
 #include <linux/if_arp.h>
 #include <linux/if_link.h>
-#include <linux/pm_runtime.h>
 #include <linux/rtnetlink.h>
 #include <linux/wwan.h>
 #include <net/pkt_sched.h>
@@ -52,13 +51,11 @@ static int ipc_wwan_link_open(struct net_device *netdev)
 	struct iosm_netdev_priv *priv = wwan_netdev_drvpriv(netdev);
 	struct iosm_wwan *ipc_wwan = priv->ipc_wwan;
 	int if_id = priv->if_id;
-	int ret = 0;
 
 	if (if_id < IP_MUX_SESSION_START ||
 	    if_id >= ARRAY_SIZE(ipc_wwan->sub_netlist))
 		return -EINVAL;
 
-	pm_runtime_get_sync(ipc_wwan->ipc_imem->dev);
 	/* get channel id */
 	priv->ch_id = ipc_imem_sys_wwan_open(ipc_wwan->ipc_imem, if_id);
 
@@ -66,8 +63,7 @@ static int ipc_wwan_link_open(struct net_device *netdev)
 		dev_err(ipc_wwan->dev,
 			"cannot connect wwan0 & id %d to the IPC mem layer",
 			if_id);
-		ret = -ENODEV;
+		return -ENODEV;
-		goto err_out;
 	}
 
 	/* enable tx path, DL data may follow */
@@ -76,11 +72,7 @@ static int ipc_wwan_link_open(struct net_device *netdev)
 	dev_dbg(ipc_wwan->dev, "Channel id %d allocated to if_id %d",
 		priv->ch_id, priv->if_id);
 
-err_out:
+	return 0;
-	pm_runtime_mark_last_busy(ipc_wwan->ipc_imem->dev);
-	pm_runtime_put_autosuspend(ipc_wwan->ipc_imem->dev);
-
-	return ret;
 }
 
 /* Bring-down the wwan net link */
@@ -90,12 +82,9 @@ static int ipc_wwan_link_stop(struct net_device *netdev)
 
 	netif_stop_queue(netdev);
 
-	pm_runtime_get_sync(priv->ipc_wwan->ipc_imem->dev);
 	ipc_imem_sys_wwan_close(priv->ipc_wwan->ipc_imem, priv->if_id,
 				priv->ch_id);
 	priv->ch_id = -1;
-	pm_runtime_mark_last_busy(priv->ipc_wwan->ipc_imem->dev);
-	pm_runtime_put_autosuspend(priv->ipc_wwan->ipc_imem->dev);
 
 	return 0;
 }
@@ -117,7 +106,6 @@ static netdev_tx_t ipc_wwan_link_transmit(struct sk_buff *skb,
 	    if_id >= ARRAY_SIZE(ipc_wwan->sub_netlist))
 		return -EINVAL;
 
-	pm_runtime_get(ipc_wwan->ipc_imem->dev);
 	/* Send the SKB to device for transmission */
 	ret = ipc_imem_sys_wwan_transmit(ipc_wwan->ipc_imem,
 					 if_id, priv->ch_id, skb);
@@ -131,14 +119,9 @@ static netdev_tx_t ipc_wwan_link_transmit(struct sk_buff *skb,
 		ret = NETDEV_TX_BUSY;
 		dev_err(ipc_wwan->dev, "unable to push packets");
 	} else {
-		pm_runtime_mark_last_busy(ipc_wwan->ipc_imem->dev);
-		pm_runtime_put_autosuspend(ipc_wwan->ipc_imem->dev);
 		goto exit;
 	}
 
-	pm_runtime_mark_last_busy(ipc_wwan->ipc_imem->dev);
-	pm_runtime_put_autosuspend(ipc_wwan->ipc_imem->dev);
-
 	return ret;
 
 exit:

include/linux/virtio_net.h

@@ -3,8 +3,8 @@
 #define _LINUX_VIRTIO_NET_H
 
 #include <linux/if_vlan.h>
+#include <linux/udp.h>
 #include <uapi/linux/tcp.h>
-#include <uapi/linux/udp.h>
 #include <uapi/linux/virtio_net.h>
 
 static inline bool virtio_net_hdr_match_proto(__be16 protocol, __u8 gso_type)
@@ -151,9 +151,22 @@ retry:
 		unsigned int nh_off = p_off;
 		struct skb_shared_info *shinfo = skb_shinfo(skb);
 
-		/* UFO may not include transport header in gso_size. */
+		switch (gso_type & ~SKB_GSO_TCP_ECN) {
-		if (gso_type & SKB_GSO_UDP)
+		case SKB_GSO_UDP:
+			/* UFO may not include transport header in gso_size. */
 			nh_off -= thlen;
+			break;
+		case SKB_GSO_UDP_L4:
+			if (!(hdr->flags & VIRTIO_NET_HDR_F_NEEDS_CSUM))
+				return -EINVAL;
+			if (skb->csum_offset != offsetof(struct udphdr, check))
+				return -EINVAL;
+			if (skb->len - p_off > gso_size * UDP_MAX_SEGMENTS)
+				return -EINVAL;
+			if (gso_type != SKB_GSO_UDP_L4)
+				return -EINVAL;
+			break;
+		}
 
 		/* Kernel has a special handling for GSO_BY_FRAGS. */
 		if (gso_size == GSO_BY_FRAGS)

include/net/bluetooth/hci_mon.h

@@ -56,7 +56,7 @@ struct hci_mon_new_index {
 	__u8		type;
 	__u8		bus;
 	bdaddr_t	bdaddr;
-	char		name[8];
+	char		name[8] __nonstring;
 } __packed;
 #define HCI_MON_NEW_INDEX_SIZE 16
 

include/net/netns/xfrm.h

@@ -50,6 +50,7 @@ struct netns_xfrm {
 	struct list_head	policy_all;
 	struct hlist_head	*policy_byidx;
 	unsigned int		policy_idx_hmask;
+	unsigned int		idx_generator;
 	struct hlist_head	policy_inexact[XFRM_POLICY_MAX];
 	struct xfrm_policy_hash	policy_bydst[XFRM_POLICY_MAX];
 	unsigned int		policy_count[XFRM_POLICY_MAX * 2];

include/net/sock.h

@@ -336,7 +336,7 @@ struct sk_filter;
   *	@sk_cgrp_data: cgroup data for this cgroup
   *	@sk_memcg: this socket's memory cgroup association
   *	@sk_write_pending: a write to stream socket waits to start
-  *	@sk_wait_pending: number of threads blocked on this socket
+  *	@sk_disconnects: number of disconnect operations performed on this sock
   *	@sk_state_change: callback to indicate change in the state of the sock
   *	@sk_data_ready: callback to indicate there is data to be processed
   *	@sk_write_space: callback to indicate there is bf sending space available
@@ -429,7 +429,7 @@ struct sock {
 	unsigned int		sk_napi_id;
 #endif
 	int			sk_rcvbuf;
-	int			sk_wait_pending;
+	int			sk_disconnects;
 
 	struct sk_filter __rcu	*sk_filter;
 	union {
@@ -1189,8 +1189,7 @@ static inline void sock_rps_reset_rxhash(struct sock *sk)
 }
 
 #define sk_wait_event(__sk, __timeo, __condition, __wait)		\
-	({	int __rc;						\
+	({	int __rc, __dis = __sk->sk_disconnects;			\
-		__sk->sk_wait_pending++;				\
 		release_sock(__sk);					\
 		__rc = __condition;					\
 		if (!__rc) {						\
@@ -1200,8 +1199,7 @@ static inline void sock_rps_reset_rxhash(struct sock *sk)
 		}							\
 		sched_annotate_sleep();					\
 		lock_sock(__sk);					\
-		__sk->sk_wait_pending--;				\
+		__rc = __dis == __sk->sk_disconnects ? __condition : -EPIPE; \
-		__rc = __condition;					\
 		__rc;							\
 	})
 

include/net/tcp.h

@@ -141,6 +141,9 @@ void tcp_time_wait(struct sock *sk, int state, int timeo);
 #define TCP_RTO_MAX	((unsigned)(120*HZ))
 #define TCP_RTO_MIN	((unsigned)(HZ/5))
 #define TCP_TIMEOUT_MIN	(2U) /* Min timeout for TCP timers in jiffies */
+
+#define TCP_TIMEOUT_MIN_US (2*USEC_PER_MSEC) /* Min TCP timeout in microsecs */
+
 #define TCP_TIMEOUT_INIT ((unsigned)(1*HZ))	/* RFC6298 2.1 initial RTO value	*/
 #define TCP_TIMEOUT_FALLBACK ((unsigned)(3*HZ))	/* RFC 1122 initial RTO value, now
 						 * used as a fallback RTO for the

include/trace/events/neigh.h

@@ -39,7 +39,6 @@ TRACE_EVENT(neigh_create,
 	),
 
 	TP_fast_assign(
-		struct in6_addr *pin6;
 		__be32 *p32;
 
 		__entry->family = tbl->family;
@@ -47,7 +46,6 @@ TRACE_EVENT(neigh_create,
 		__entry->entries = atomic_read(&tbl->gc_entries);
 		__entry->created = n != NULL;
 		__entry->gc_exempt = exempt_from_gc;
-		pin6 = (struct in6_addr *)__entry->primary_key6;
 		p32 = (__be32 *)__entry->primary_key4;
 
 		if (tbl->family == AF_INET)
@@ -57,6 +55,8 @@ TRACE_EVENT(neigh_create,
 
 #if IS_ENABLED(CONFIG_IPV6)
 		if (tbl->family == AF_INET6) {
+			struct in6_addr *pin6;
+
 			pin6 = (struct in6_addr *)__entry->primary_key6;
 			*pin6 = *(struct in6_addr *)pkey;
 		}

net/bluetooth/hci_conn.c

@@ -1627,6 +1627,15 @@ struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst,
 		return ERR_PTR(-EOPNOTSUPP);
 	}
 
+	/* Reject outgoing connection to device with same BD ADDR against
+	 * CVE-2020-26555
+	 */
+	if (!bacmp(&hdev->bdaddr, dst)) {
+		bt_dev_dbg(hdev, "Reject connection with same BD_ADDR %pMR\n",
+			   dst);
+		return ERR_PTR(-ECONNREFUSED);
+	}
+
 	acl = hci_conn_hash_lookup_ba(hdev, ACL_LINK, dst);
 	if (!acl) {
 		acl = hci_conn_add(hdev, ACL_LINK, dst, HCI_ROLE_MASTER);

net/bluetooth/hci_event.c

@@ -26,6 +26,8 @@
 /* Bluetooth HCI event handling. */
 
 #include <asm/unaligned.h>
+#include <linux/crypto.h>
+#include <crypto/algapi.h>
 
 #include <net/bluetooth/bluetooth.h>
 #include <net/bluetooth/hci_core.h>
@@ -3268,6 +3270,16 @@ static void hci_conn_request_evt(struct hci_dev *hdev, void *data,
 
 	bt_dev_dbg(hdev, "bdaddr %pMR type 0x%x", &ev->bdaddr, ev->link_type);
 
+	/* Reject incoming connection from device with same BD ADDR against
+	 * CVE-2020-26555
+	 */
+	if (hdev && !bacmp(&hdev->bdaddr, &ev->bdaddr)) {
+		bt_dev_dbg(hdev, "Reject connection with same BD_ADDR %pMR\n",
+			   &ev->bdaddr);
+		hci_reject_conn(hdev, &ev->bdaddr);
+		return;
+	}
+
 	mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type,
 				      &flags);
 
@@ -4742,6 +4754,15 @@ static void hci_link_key_notify_evt(struct hci_dev *hdev, void *data,
 	if (!conn)
 		goto unlock;
 
+	/* Ignore NULL link key against CVE-2020-26555 */
+	if (!crypto_memneq(ev->link_key, ZERO_KEY, HCI_LINK_KEY_SIZE)) {
+		bt_dev_dbg(hdev, "Ignore NULL link key (ZERO KEY) for %pMR",
+			   &ev->bdaddr);
+		hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
+		hci_conn_drop(conn);
+		goto unlock;
+	}
+
 	hci_conn_hold(conn);
 	conn->disc_timeout = HCI_DISCONN_TIMEOUT;
 	hci_conn_drop(conn);
@@ -5274,8 +5295,8 @@ static u8 bredr_oob_data_present(struct hci_conn *conn)
 		 * available, then do not declare that OOB data is
 		 * present.
 		 */
-		if (!memcmp(data->rand256, ZERO_KEY, 16) ||
+		if (!crypto_memneq(data->rand256, ZERO_KEY, 16) ||
-		    !memcmp(data->hash256, ZERO_KEY, 16))
+		    !crypto_memneq(data->hash256, ZERO_KEY, 16))
 			return 0x00;
 
 		return 0x02;
@@ -5285,8 +5306,8 @@ static u8 bredr_oob_data_present(struct hci_conn *conn)
 	 * not supported by the hardware, then check that if
 	 * P-192 data values are present.
 	 */
-	if (!memcmp(data->rand192, ZERO_KEY, 16) ||
+	if (!crypto_memneq(data->rand192, ZERO_KEY, 16) ||
-	    !memcmp(data->hash192, ZERO_KEY, 16))
+	    !crypto_memneq(data->hash192, ZERO_KEY, 16))
 		return 0x00;
 
 	return 0x01;
@@ -5303,7 +5324,7 @@ static void hci_io_capa_request_evt(struct hci_dev *hdev, void *data,
 	hci_dev_lock(hdev);
 
 	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
-	if (!conn)
+	if (!conn || !hci_conn_ssp_enabled(conn))
 		goto unlock;
 
 	hci_conn_hold(conn);
@@ -5550,7 +5571,7 @@ static void hci_simple_pair_complete_evt(struct hci_dev *hdev, void *data,
 	hci_dev_lock(hdev);
 
 	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
-	if (!conn)
+	if (!conn || !hci_conn_ssp_enabled(conn))
 		goto unlock;
 
 	/* Reset the authentication requirement to unknown */
@@ -7021,6 +7042,14 @@ unlock:
 	hci_dev_unlock(hdev);
 }
 
+static int hci_iso_term_big_sync(struct hci_dev *hdev, void *data)
+{
+	u8 handle = PTR_UINT(data);
+
+	return hci_le_terminate_big_sync(hdev, handle,
+					 HCI_ERROR_LOCAL_HOST_TERM);
+}
+
 static void hci_le_create_big_complete_evt(struct hci_dev *hdev, void *data,
 					   struct sk_buff *skb)
 {
@@ -7065,16 +7094,17 @@ static void hci_le_create_big_complete_evt(struct hci_dev *hdev, void *data,
 		rcu_read_lock();
 	}
 
+	rcu_read_unlock();
+
 	if (!ev->status && !i)
 		/* If no BISes have been connected for the BIG,
 		 * terminate. This is in case all bound connections
 		 * have been closed before the BIG creation
 		 * has completed.
 		 */
-		hci_le_terminate_big_sync(hdev, ev->handle,
+		hci_cmd_sync_queue(hdev, hci_iso_term_big_sync,
-					  HCI_ERROR_LOCAL_HOST_TERM);
+				   UINT_PTR(ev->handle), NULL);
 
-	rcu_read_unlock();
 	hci_dev_unlock(hdev);
 }
 

net/bluetooth/hci_sock.c

@@ -488,7 +488,8 @@ static struct sk_buff *create_monitor_event(struct hci_dev *hdev, int event)
 		ni->type = hdev->dev_type;
 		ni->bus = hdev->bus;
 		bacpy(&ni->bdaddr, &hdev->bdaddr);
-		memcpy(ni->name, hdev->name, 8);
+		memcpy_and_pad(ni->name, sizeof(ni->name), hdev->name,
+			       strnlen(hdev->name, sizeof(ni->name)), '\0');
 
 		opcode = cpu_to_le16(HCI_MON_NEW_INDEX);
 		break;

net/bluetooth/hci_sync.c

@@ -5369,6 +5369,7 @@ int hci_abort_conn_sync(struct hci_dev *hdev, struct hci_conn *conn, u8 reason)
 {
 	int err = 0;
 	u16 handle = conn->handle;
+	bool disconnect = false;
 	struct hci_conn *c;
 
 	switch (conn->state) {
@@ -5399,24 +5400,15 @@ int hci_abort_conn_sync(struct hci_dev *hdev, struct hci_conn *conn, u8 reason)
 		hci_dev_unlock(hdev);
 		return 0;
 	case BT_BOUND:
-		hci_dev_lock(hdev);
+		break;
-		hci_conn_failed(conn, reason);
-		hci_dev_unlock(hdev);
-		return 0;
 	default:
-		hci_dev_lock(hdev);
+		disconnect = true;
-		conn->state = BT_CLOSED;
+		break;
-		hci_disconn_cfm(conn, reason);
-		hci_conn_del(conn);
-		hci_dev_unlock(hdev);
-		return 0;
 	}
 
 	hci_dev_lock(hdev);
 
-	/* Check if the connection hasn't been cleanup while waiting
+	/* Check if the connection has been cleaned up concurrently */
-	 * commands to complete.
-	 */
 	c = hci_conn_hash_lookup_handle(hdev, handle);
 	if (!c || c != conn) {
 		err = 0;
@@ -5428,7 +5420,13 @@ int hci_abort_conn_sync(struct hci_dev *hdev, struct hci_conn *conn, u8 reason)
 	 * or in case of LE it was still scanning so it can be cleanup
 	 * safely.
 	 */
-	hci_conn_failed(conn, reason);
+	if (disconnect) {
+		conn->state = BT_CLOSED;
+		hci_disconn_cfm(conn, reason);
+		hci_conn_del(conn);
+	} else {
+		hci_conn_failed(conn, reason);
+	}
 
 unlock:
 	hci_dev_unlock(hdev);

net/core/dev.c

@@ -345,7 +345,6 @@ int netdev_name_node_alt_create(struct net_device *dev, const char *name)
 static void __netdev_name_node_alt_destroy(struct netdev_name_node *name_node)
 {
 	list_del(&name_node->list);
-	netdev_name_node_del(name_node);
 	kfree(name_node->name);
 	netdev_name_node_free(name_node);
 }
@@ -364,6 +363,8 @@ int netdev_name_node_alt_destroy(struct net_device *dev, const char *name)
 	if (name_node == dev->name_node || name_node->dev != dev)
 		return -EINVAL;
 
+	netdev_name_node_del(name_node);
+	synchronize_rcu();
 	__netdev_name_node_alt_destroy(name_node);
 
 	return 0;
@@ -380,6 +381,7 @@ static void netdev_name_node_alt_flush(struct net_device *dev)
 /* Device list insertion */
 static void list_netdevice(struct net_device *dev)
 {
+	struct netdev_name_node *name_node;
 	struct net *net = dev_net(dev);
 
 	ASSERT_RTNL();
@@ -390,6 +392,10 @@ static void list_netdevice(struct net_device *dev)
 	hlist_add_head_rcu(&dev->index_hlist,
 			   dev_index_hash(net, dev->ifindex));
 	write_unlock(&dev_base_lock);
+
+	netdev_for_each_altname(dev, name_node)
+		netdev_name_node_add(net, name_node);
+
 	/* We reserved the ifindex, this can't fail */
 	WARN_ON(xa_store(&net->dev_by_index, dev->ifindex, dev, GFP_KERNEL));
 
@@ -401,12 +407,16 @@ static void list_netdevice(struct net_device *dev)
  */
 static void unlist_netdevice(struct net_device *dev, bool lock)
 {
+	struct netdev_name_node *name_node;
 	struct net *net = dev_net(dev);
 
 	ASSERT_RTNL();
 
 	xa_erase(&net->dev_by_index, dev->ifindex);
 
+	netdev_for_each_altname(dev, name_node)
+		netdev_name_node_del(name_node);
+
 	/* Unlink dev from the device chain */
 	if (lock)
 		write_lock(&dev_base_lock);
@@ -1086,7 +1096,8 @@ static int __dev_alloc_name(struct net *net, const char *name, char *buf)
 
 		for_each_netdev(net, d) {
 			struct netdev_name_node *name_node;
-			list_for_each_entry(name_node, &d->name_node->list, list) {
+
+			netdev_for_each_altname(d, name_node) {
 				if (!sscanf(name_node->name, name, &i))
 					continue;
 				if (i < 0 || i >= max_netdevices)
@@ -1123,6 +1134,26 @@ static int __dev_alloc_name(struct net *net, const char *name, char *buf)
 	return -ENFILE;
 }
 
+static int dev_prep_valid_name(struct net *net, struct net_device *dev,
+			       const char *want_name, char *out_name)
+{
+	int ret;
+
+	if (!dev_valid_name(want_name))
+		return -EINVAL;
+
+	if (strchr(want_name, '%')) {
+		ret = __dev_alloc_name(net, want_name, out_name);
+		return ret < 0 ? ret : 0;
+	} else if (netdev_name_in_use(net, want_name)) {
+		return -EEXIST;
+	} else if (out_name != want_name) {
+		strscpy(out_name, want_name, IFNAMSIZ);
+	}
+
+	return 0;
+}
+
 static int dev_alloc_name_ns(struct net *net,
 			     struct net_device *dev,
 			     const char *name)
@@ -1160,19 +1191,13 @@ EXPORT_SYMBOL(dev_alloc_name);
 static int dev_get_valid_name(struct net *net, struct net_device *dev,
 			      const char *name)
 {
-	BUG_ON(!net);
+	char buf[IFNAMSIZ];
+	int ret;
 
-	if (!dev_valid_name(name))
+	ret = dev_prep_valid_name(net, dev, name, buf);
-		return -EINVAL;
+	if (ret >= 0)
-
+		strscpy(dev->name, buf, IFNAMSIZ);
-	if (strchr(name, '%'))
+	return ret;
-		return dev_alloc_name_ns(net, dev, name);
-	else if (netdev_name_in_use(net, name))
-		return -EEXIST;
-	else if (dev->name != name)
-		strscpy(dev->name, name, IFNAMSIZ);
-
-	return 0;
 }
 
 /**
@@ -11037,7 +11062,9 @@ EXPORT_SYMBOL(unregister_netdev);
 int __dev_change_net_namespace(struct net_device *dev, struct net *net,
 			       const char *pat, int new_ifindex)
 {
+	struct netdev_name_node *name_node;
 	struct net *net_old = dev_net(dev);
+	char new_name[IFNAMSIZ] = {};
 	int err, new_nsid;
 
 	ASSERT_RTNL();
@@ -11064,10 +11091,15 @@ int __dev_change_net_namespace(struct net_device *dev, struct net *net,
 		/* We get here if we can't use the current device name */
 		if (!pat)
 			goto out;
-		err = dev_get_valid_name(net, dev, pat);
+		err = dev_prep_valid_name(net, dev, pat, new_name);
 		if (err < 0)
 			goto out;
 	}
+	/* Check that none of the altnames conflicts. */
+	err = -EEXIST;
+	netdev_for_each_altname(dev, name_node)
+		if (netdev_name_in_use(net, name_node->name))
+			goto out;
 
 	/* Check that new_ifindex isn't used yet. */
 	if (new_ifindex) {
@@ -11135,6 +11167,9 @@ int __dev_change_net_namespace(struct net_device *dev, struct net *net,
 	kobject_uevent(&dev->dev.kobj, KOBJ_ADD);
 	netdev_adjacent_add_links(dev);
 
+	if (new_name[0]) /* Rename the netdev to prepared name */
+		strscpy(dev->name, new_name, IFNAMSIZ);
+
 	/* Fixup kobjects */
 	err = device_rename(&dev->dev, dev->name);
 	WARN_ON(err);

net/core/dev.h

@@ -62,6 +62,9 @@ struct netdev_name_node {
 int netdev_get_name(struct net *net, char *name, int ifindex);
 int dev_change_name(struct net_device *dev, const char *newname);
 
+#define netdev_for_each_altname(dev, namenode)				\
+	list_for_each_entry((namenode), &(dev)->name_node->list, list)
+
 int netdev_name_node_alt_create(struct net_device *dev, const char *name);
 int netdev_name_node_alt_destroy(struct net_device *dev, const char *name);
 

net/core/pktgen.c

@@ -669,19 +669,19 @@ static int pktgen_if_show(struct seq_file *seq, void *v)
 	seq_puts(seq, "     Flags: ");
 
 	for (i = 0; i < NR_PKT_FLAGS; i++) {
-		if (i == F_FLOW_SEQ)
+		if (i == FLOW_SEQ_SHIFT)
 			if (!pkt_dev->cflows)
 				continue;
 
-		if (pkt_dev->flags & (1 << i))
+		if (pkt_dev->flags & (1 << i)) {
 			seq_printf(seq, "%s  ", pkt_flag_names[i]);
-		else if (i == F_FLOW_SEQ)
-			seq_puts(seq, "FLOW_RND  ");
-
 #ifdef CONFIG_XFRM
-		if (i == F_IPSEC && pkt_dev->spi)
+			if (i == IPSEC_SHIFT && pkt_dev->spi)
-			seq_printf(seq, "spi:%u", pkt_dev->spi);
+				seq_printf(seq, "spi:%u  ", pkt_dev->spi);
 #endif
+		} else if (i == FLOW_SEQ_SHIFT) {
+			seq_puts(seq, "FLOW_RND  ");
+		}
 	}
 
 	seq_puts(seq, "\n");

net/core/rtnetlink.c

@@ -5503,13 +5503,11 @@ static unsigned int
 rtnl_offload_xstats_get_size_hw_s_info_one(const struct net_device *dev,
 					   enum netdev_offload_xstats_type type)
 {
-	bool enabled = netdev_offload_xstats_enabled(dev, type);
-
 	return nla_total_size(0) +
 		/* IFLA_OFFLOAD_XSTATS_HW_S_INFO_REQUEST */
 		nla_total_size(sizeof(u8)) +
 		/* IFLA_OFFLOAD_XSTATS_HW_S_INFO_USED */
-		(enabled ? nla_total_size(sizeof(u8)) : 0) +
+		nla_total_size(sizeof(u8)) +
 		0;
 }
 

net/core/stream.c

@@ -117,7 +117,7 @@ EXPORT_SYMBOL(sk_stream_wait_close);
  */
 int sk_stream_wait_memory(struct sock *sk, long *timeo_p)
 {
-	int err = 0;
+	int ret, err = 0;
 	long vm_wait = 0;
 	long current_timeo = *timeo_p;
 	DEFINE_WAIT_FUNC(wait, woken_wake_function);
@@ -142,11 +142,13 @@ int sk_stream_wait_memory(struct sock *sk, long *timeo_p)
 
 		set_bit(SOCK_NOSPACE, &sk->sk_socket->flags);
 		sk->sk_write_pending++;
-		sk_wait_event(sk, &current_timeo, READ_ONCE(sk->sk_err) ||
+		ret = sk_wait_event(sk, &current_timeo, READ_ONCE(sk->sk_err) ||
-						  (READ_ONCE(sk->sk_shutdown) & SEND_SHUTDOWN) ||
+				    (READ_ONCE(sk->sk_shutdown) & SEND_SHUTDOWN) ||
-						  (sk_stream_memory_free(sk) &&
+				    (sk_stream_memory_free(sk) && !vm_wait),
-						  !vm_wait), &wait);
+				    &wait);
 		sk->sk_write_pending--;
+		if (ret < 0)
+			goto do_error;
 
 		if (vm_wait) {
 			vm_wait -= current_timeo;

net/ethtool/bitset.c

@@ -431,10 +431,8 @@ ethnl_update_bitset32_verbose(u32 *bitmap, unsigned int nbits,
 			      ethnl_string_array_t names,
 			      struct netlink_ext_ack *extack, bool *mod)
 {
-	u32 *orig_bitmap, *saved_bitmap = NULL;
 	struct nlattr *bit_attr;
 	bool no_mask;
-	bool dummy;
 	int rem;
 	int ret;
 
@@ -450,22 +448,8 @@ ethnl_update_bitset32_verbose(u32 *bitmap, unsigned int nbits,
 	}
 
 	no_mask = tb[ETHTOOL_A_BITSET_NOMASK];
-	if (no_mask) {
+	if (no_mask)
-		unsigned int nwords = DIV_ROUND_UP(nbits, 32);
+		ethnl_bitmap32_clear(bitmap, 0, nbits, mod);
-		unsigned int nbytes = nwords * sizeof(u32);
-
-		/* The bitmap size is only the size of the map part without
-		 * its mask part.
-		 */
-		saved_bitmap = kcalloc(nwords, sizeof(u32), GFP_KERNEL);
-		if (!saved_bitmap)
-			return -ENOMEM;
-		memcpy(saved_bitmap, bitmap, nbytes);
-		ethnl_bitmap32_clear(bitmap, 0, nbits, &dummy);
-		orig_bitmap = saved_bitmap;
-	} else {
-		orig_bitmap = bitmap;
-	}
 
 	nla_for_each_nested(bit_attr, tb[ETHTOOL_A_BITSET_BITS], rem) {
 		bool old_val, new_val;
@@ -474,14 +458,13 @@ ethnl_update_bitset32_verbose(u32 *bitmap, unsigned int nbits,
 		if (nla_type(bit_attr) != ETHTOOL_A_BITSET_BITS_BIT) {
 			NL_SET_ERR_MSG_ATTR(extack, bit_attr,
 					    "only ETHTOOL_A_BITSET_BITS_BIT allowed in ETHTOOL_A_BITSET_BITS");
-			ret = -EINVAL;
+			return -EINVAL;
-			goto out;
 		}
 		ret = ethnl_parse_bit(&idx, &new_val, nbits, bit_attr, no_mask,
 				      names, extack);
 		if (ret < 0)
-			goto out;
+			return ret;
-		old_val = orig_bitmap[idx / 32] & ((u32)1 << (idx % 32));
+		old_val = bitmap[idx / 32] & ((u32)1 << (idx % 32));
 		if (new_val != old_val) {
 			if (new_val)
 				bitmap[idx / 32] |= ((u32)1 << (idx % 32));
@@ -491,10 +474,7 @@ ethnl_update_bitset32_verbose(u32 *bitmap, unsigned int nbits,
 		}
 	}
 
-	ret = 0;
+	return 0;
-out:
-	kfree(saved_bitmap);
-	return ret;
 }
 
 static int ethnl_compact_sanity_checks(unsigned int nbits,

net/ipv4/af_inet.c

@@ -597,7 +597,6 @@ static long inet_wait_for_connect(struct sock *sk, long timeo, int writebias)
 
 	add_wait_queue(sk_sleep(sk), &wait);
 	sk->sk_write_pending += writebias;
-	sk->sk_wait_pending++;
 
 	/* Basic assumption: if someone sets sk->sk_err, he _must_
 	 * change state of the socket from TCP_SYN_*.
@@ -613,7 +612,6 @@ static long inet_wait_for_connect(struct sock *sk, long timeo, int writebias)
 	}
 	remove_wait_queue(sk_sleep(sk), &wait);
 	sk->sk_write_pending -= writebias;
-	sk->sk_wait_pending--;
 	return timeo;
 }
 
@@ -642,6 +640,7 @@ int __inet_stream_connect(struct socket *sock, struct sockaddr *uaddr,
 			return -EINVAL;
 
 		if (uaddr->sa_family == AF_UNSPEC) {
+			sk->sk_disconnects++;
 			err = sk->sk_prot->disconnect(sk, flags);
 			sock->state = err ? SS_DISCONNECTING : SS_UNCONNECTED;
 			goto out;
@@ -696,6 +695,7 @@ int __inet_stream_connect(struct socket *sock, struct sockaddr *uaddr,
 		int writebias = (sk->sk_protocol == IPPROTO_TCP) &&
 				tcp_sk(sk)->fastopen_req &&
 				tcp_sk(sk)->fastopen_req->data ? 1 : 0;
+		int dis = sk->sk_disconnects;
 
 		/* Error code is set above */
 		if (!timeo || !inet_wait_for_connect(sk, timeo, writebias))
@@ -704,6 +704,11 @@ int __inet_stream_connect(struct socket *sock, struct sockaddr *uaddr,
 		err = sock_intr_errno(timeo);
 		if (signal_pending(current))
 			goto out;
+
+		if (dis != sk->sk_disconnects) {
+			err = -EPIPE;
+			goto out;
+		}
 	}
 
 	/* Connection was closed by RST, timeout, ICMP error
@@ -725,6 +730,7 @@ out:
 sock_error:
 	err = sock_error(sk) ? : -ECONNABORTED;
 	sock->state = SS_UNCONNECTED;
+	sk->sk_disconnects++;
 	if (sk->sk_prot->disconnect(sk, flags))
 		sock->state = SS_DISCONNECTING;
 	goto out;

net/ipv4/esp4.c

@@ -732,7 +732,9 @@ static inline int esp_remove_trailer(struct sk_buff *skb)
 		skb->csum = csum_block_sub(skb->csum, csumdiff,
 					   skb->len - trimlen);
 	}
-	pskb_trim(skb, skb->len - trimlen);
+	ret = pskb_trim(skb, skb->len - trimlen);
+	if (unlikely(ret))
+		return ret;
 
 	ret = nexthdr[1];
 

net/ipv4/fib_semantics.c

@@ -1325,15 +1325,18 @@ __be32 fib_info_update_nhc_saddr(struct net *net, struct fib_nh_common *nhc,
 				 unsigned char scope)
 {
 	struct fib_nh *nh;
+	__be32 saddr;
 
 	if (nhc->nhc_family != AF_INET)
 		return inet_select_addr(nhc->nhc_dev, 0, scope);
 
 	nh = container_of(nhc, struct fib_nh, nh_common);
-	nh->nh_saddr = inet_select_addr(nh->fib_nh_dev, nh->fib_nh_gw4, scope);
+	saddr = inet_select_addr(nh->fib_nh_dev, nh->fib_nh_gw4, scope);
-	nh->nh_saddr_genid = atomic_read(&net->ipv4.dev_addr_genid);
 
-	return nh->nh_saddr;
+	WRITE_ONCE(nh->nh_saddr, saddr);
+	WRITE_ONCE(nh->nh_saddr_genid, atomic_read(&net->ipv4.dev_addr_genid));
+
+	return saddr;
 }
 
 __be32 fib_result_prefsrc(struct net *net, struct fib_result *res)
@@ -1347,8 +1350,9 @@ __be32 fib_result_prefsrc(struct net *net, struct fib_result *res)
 		struct fib_nh *nh;
 
 		nh = container_of(nhc, struct fib_nh, nh_common);
-		if (nh->nh_saddr_genid == atomic_read(&net->ipv4.dev_addr_genid))
+		if (READ_ONCE(nh->nh_saddr_genid) ==
-			return nh->nh_saddr;
+		    atomic_read(&net->ipv4.dev_addr_genid))
+			return READ_ONCE(nh->nh_saddr);
 	}
 
 	return fib_info_update_nhc_saddr(net, nhc, res->fi->fib_scope);

net/ipv4/inet_connection_sock.c

@@ -1145,7 +1145,6 @@ struct sock *inet_csk_clone_lock(const struct sock *sk,
 	if (newsk) {
 		struct inet_connection_sock *newicsk = inet_csk(newsk);
 
-		newsk->sk_wait_pending = 0;
 		inet_sk_set_state(newsk, TCP_SYN_RECV);
 		newicsk->icsk_bind_hash = NULL;
 		newicsk->icsk_bind2_hash = NULL;

net/ipv4/inet_hashtables.c

@@ -149,8 +149,14 @@ static bool inet_bind2_bucket_addr_match(const struct inet_bind2_bucket *tb2,
 					 const struct sock *sk)
 {
 #if IS_ENABLED(CONFIG_IPV6)
-	if (sk->sk_family != tb2->family)
+	if (sk->sk_family != tb2->family) {
-		return false;
+		if (sk->sk_family == AF_INET)
+			return ipv6_addr_v4mapped(&tb2->v6_rcv_saddr) &&
+				tb2->v6_rcv_saddr.s6_addr32[3] == sk->sk_rcv_saddr;
+
+		return ipv6_addr_v4mapped(&sk->sk_v6_rcv_saddr) &&
+			sk->sk_v6_rcv_saddr.s6_addr32[3] == tb2->rcv_saddr;
+	}
 
 	if (sk->sk_family == AF_INET6)
 		return ipv6_addr_equal(&tb2->v6_rcv_saddr,
@@ -819,19 +825,7 @@ static bool inet_bind2_bucket_match(const struct inet_bind2_bucket *tb,
 	    tb->l3mdev != l3mdev)
 		return false;
 
-#if IS_ENABLED(CONFIG_IPV6)
+	return inet_bind2_bucket_addr_match(tb, sk);
-	if (sk->sk_family != tb->family) {
-		if (sk->sk_family == AF_INET)
-			return ipv6_addr_v4mapped(&tb->v6_rcv_saddr) &&
-				tb->v6_rcv_saddr.s6_addr32[3] == sk->sk_rcv_saddr;
-
-		return false;
-	}
-
-	if (sk->sk_family == AF_INET6)
-		return ipv6_addr_equal(&tb->v6_rcv_saddr, &sk->sk_v6_rcv_saddr);
-#endif
-	return tb->rcv_saddr == sk->sk_rcv_saddr;
 }
 
 bool inet_bind2_bucket_match_addr_any(const struct inet_bind2_bucket *tb, const struct net *net,

net/ipv4/tcp.c

@@ -831,7 +831,9 @@ ssize_t tcp_splice_read(struct socket *sock, loff_t *ppos,
 			 */
 			if (!skb_queue_empty(&sk->sk_receive_queue))
 				break;
-			sk_wait_data(sk, &timeo, NULL);
+			ret = sk_wait_data(sk, &timeo, NULL);
+			if (ret < 0)
+				break;
 			if (signal_pending(current)) {
 				ret = sock_intr_errno(timeo);
 				break;
@@ -2442,7 +2444,11 @@ static int tcp_recvmsg_locked(struct sock *sk, struct msghdr *msg, size_t len,
 			__sk_flush_backlog(sk);
 		} else {
 			tcp_cleanup_rbuf(sk, copied);
-			sk_wait_data(sk, &timeo, last);
+			err = sk_wait_data(sk, &timeo, last);
+			if (err < 0) {
+				err = copied ? : err;
+				goto out;
+			}
 		}
 
 		if ((flags & MSG_PEEK) &&
@@ -2966,12 +2972,6 @@ int tcp_disconnect(struct sock *sk, int flags)
 	int old_state = sk->sk_state;
 	u32 seq;
 
-	/* Deny disconnect if other threads are blocked in sk_wait_event()
-	 * or inet_wait_for_connect().
-	 */
-	if (sk->sk_wait_pending)
-		return -EBUSY;
-
 	if (old_state != TCP_CLOSE)
 		tcp_set_state(sk, TCP_CLOSE);
 

net/ipv4/tcp_bpf.c

@@ -307,6 +307,10 @@ msg_bytes_ready:
 		}
 
 		data = tcp_msg_wait_data(sk, psock, timeo);
+		if (data < 0) {
+			copied = data;
+			goto unlock;
+		}
 		if (data && !sk_psock_queue_empty(psock))
 			goto msg_bytes_ready;
 		copied = -EAGAIN;
@@ -317,6 +321,8 @@ out:
 	tcp_rcv_space_adjust(sk);
 	if (copied > 0)
 		__tcp_cleanup_rbuf(sk, copied);
+
+unlock:
 	release_sock(sk);
 	sk_psock_put(sk, psock);
 	return copied;
@@ -351,6 +357,10 @@ msg_bytes_ready:
 
 		timeo = sock_rcvtimeo(sk, flags & MSG_DONTWAIT);
 		data = tcp_msg_wait_data(sk, psock, timeo);
+		if (data < 0) {
+			ret = data;
+			goto unlock;
+		}
 		if (data) {
 			if (!sk_psock_queue_empty(psock))
 				goto msg_bytes_ready;
@@ -361,6 +371,8 @@ msg_bytes_ready:
 		copied = -EAGAIN;
 	}
 	ret = copied;
+
+unlock:
 	release_sock(sk);
 	sk_psock_put(sk, psock);
 	return ret;

net/ipv4/tcp_ipv4.c

@@ -1869,6 +1869,7 @@ bool tcp_add_backlog(struct sock *sk, struct sk_buff *skb,
 #ifdef CONFIG_TLS_DEVICE
 	    tail->decrypted != skb->decrypted ||
 #endif
+	    !mptcp_skb_can_collapse(tail, skb) ||
 	    thtail->doff != th->doff ||
 	    memcmp(thtail + 1, th + 1, hdrlen - sizeof(*th)))
 		goto no_coalesce;

net/ipv4/tcp_output.c

@@ -2542,6 +2542,18 @@ static bool tcp_pacing_check(struct sock *sk)
 	return true;
 }
 
+static bool tcp_rtx_queue_empty_or_single_skb(const struct sock *sk)
+{
+	const struct rb_node *node = sk->tcp_rtx_queue.rb_node;
+
+	/* No skb in the rtx queue. */
+	if (!node)
+		return true;
+
+	/* Only one skb in rtx queue. */
+	return !node->rb_left && !node->rb_right;
+}
+
 /* TCP Small Queues :
  * Control number of packets in qdisc/devices to two packets / or ~1 ms.
  * (These limits are doubled for retransmits)
@@ -2579,12 +2591,12 @@ static bool tcp_small_queue_check(struct sock *sk, const struct sk_buff *skb,
 		limit += extra_bytes;
 	}
 	if (refcount_read(&sk->sk_wmem_alloc) > limit) {
-		/* Always send skb if rtx queue is empty.
+		/* Always send skb if rtx queue is empty or has one skb.
 		 * No need to wait for TX completion to call us back,
 		 * after softirq/tasklet schedule.
 		 * This helps when TX completions are delayed too much.
 		 */
-		if (tcp_rtx_queue_empty(sk))
+		if (tcp_rtx_queue_empty_or_single_skb(sk))
 			return false;
 
 		set_bit(TSQ_THROTTLED, &sk->sk_tsq_flags);
@@ -2788,7 +2800,7 @@ bool tcp_schedule_loss_probe(struct sock *sk, bool advancing_rto)
 {
 	struct inet_connection_sock *icsk = inet_csk(sk);
 	struct tcp_sock *tp = tcp_sk(sk);
-	u32 timeout, rto_delta_us;
+	u32 timeout, timeout_us, rto_delta_us;
 	int early_retrans;
 
 	/* Don't do any loss probe on a Fast Open connection before 3WHS
@@ -2812,11 +2824,12 @@ bool tcp_schedule_loss_probe(struct sock *sk, bool advancing_rto)
 	 * sample is available then probe after TCP_TIMEOUT_INIT.
 	 */
 	if (tp->srtt_us) {
-		timeout = usecs_to_jiffies(tp->srtt_us >> 2);
+		timeout_us = tp->srtt_us >> 2;
 		if (tp->packets_out == 1)
-			timeout += TCP_RTO_MIN;
+			timeout_us += tcp_rto_min_us(sk);
 		else
-			timeout += TCP_TIMEOUT_MIN;
+			timeout_us += TCP_TIMEOUT_MIN_US;
+		timeout = usecs_to_jiffies(timeout_us);
 	} else {
 		timeout = TCP_TIMEOUT_INIT;
 	}

net/ipv4/tcp_recovery.c

@@ -104,7 +104,7 @@ bool tcp_rack_mark_lost(struct sock *sk)
 	tp->rack.advanced = 0;
 	tcp_rack_detect_loss(sk, &timeout);
 	if (timeout) {
-		timeout = usecs_to_jiffies(timeout) + TCP_TIMEOUT_MIN;
+		timeout = usecs_to_jiffies(timeout + TCP_TIMEOUT_MIN_US);
 		inet_csk_reset_xmit_timer(sk, ICSK_TIME_REO_TIMEOUT,
 					  timeout, inet_csk(sk)->icsk_rto);
 	}

net/ipv6/esp6.c

@@ -770,7 +770,9 @@ static inline int esp_remove_trailer(struct sk_buff *skb)
 		skb->csum = csum_block_sub(skb->csum, csumdiff,
 					   skb->len - trimlen);
 	}
-	pskb_trim(skb, skb->len - trimlen);
+	ret = pskb_trim(skb, skb->len - trimlen);
+	if (unlikely(ret))
+		return ret;
 
 	ret = nexthdr[1];
 

net/ipv6/xfrm6_policy.c

@@ -117,10 +117,10 @@ static void xfrm6_dst_destroy(struct dst_entry *dst)
 {
 	struct xfrm_dst *xdst = (struct xfrm_dst *)dst;
 
-	if (likely(xdst->u.rt6.rt6i_idev))
-		in6_dev_put(xdst->u.rt6.rt6i_idev);
 	dst_destroy_metrics_generic(dst);
 	rt6_uncached_list_del(&xdst->u.rt6);
+	if (likely(xdst->u.rt6.rt6i_idev))
+		in6_dev_put(xdst->u.rt6.rt6i_idev);
 	xfrm_dst_destroy(xdst);
 }
 

net/mac80211/key.c

@@ -912,7 +912,7 @@ int ieee80211_key_link(struct ieee80211_key *key,
 	 */
 	if (ieee80211_key_identical(sdata, old_key, key)) {
 		ret = -EALREADY;
-		goto unlock;
+		goto out;
 	}
 
 	key->local = sdata->local;
@@ -940,7 +940,6 @@ int ieee80211_key_link(struct ieee80211_key *key,
 
  out:
 	ieee80211_key_free_unused(key);
- unlock:
 	mutex_unlock(&sdata->local->key_mtx);
 
 	return ret;

net/mptcp/protocol.c

@@ -1298,7 +1298,7 @@ alloc_skb:
 	if (copy == 0) {
 		u64 snd_una = READ_ONCE(msk->snd_una);
 
-		if (snd_una != msk->snd_nxt) {
+		if (snd_una != msk->snd_nxt || tcp_write_queue_tail(ssk)) {
 			tcp_remove_empty_skb(ssk);
 			return 0;
 		}
@@ -1306,11 +1306,6 @@ alloc_skb:
 		zero_window_probe = true;
 		data_seq = snd_una - 1;
 		copy = 1;
-
-		/* all mptcp-level data is acked, no skbs should be present into the
-		 * ssk write queue
-		 */
-		WARN_ON_ONCE(reuse_skb);
 	}
 
 	copy = min_t(size_t, copy, info->limit - info->sent);
@@ -1339,7 +1334,6 @@ alloc_skb:
 	if (reuse_skb) {
 		TCP_SKB_CB(skb)->tcp_flags &= ~TCPHDR_PSH;
 		mpext->data_len += copy;
-		WARN_ON_ONCE(zero_window_probe);
 		goto out;
 	}
 
@@ -2354,6 +2348,26 @@ bool __mptcp_retransmit_pending_data(struct sock *sk)
 #define MPTCP_CF_PUSH		BIT(1)
 #define MPTCP_CF_FASTCLOSE	BIT(2)
 
+/* be sure to send a reset only if the caller asked for it, also
+ * clean completely the subflow status when the subflow reaches
+ * TCP_CLOSE state
+ */
+static void __mptcp_subflow_disconnect(struct sock *ssk,
+				       struct mptcp_subflow_context *subflow,
+				       unsigned int flags)
+{
+	if (((1 << ssk->sk_state) & (TCPF_CLOSE | TCPF_LISTEN)) ||
+	    (flags & MPTCP_CF_FASTCLOSE)) {
+		/* The MPTCP code never wait on the subflow sockets, TCP-level
+		 * disconnect should never fail
+		 */
+		WARN_ON_ONCE(tcp_disconnect(ssk, 0));
+		mptcp_subflow_ctx_reset(subflow);
+	} else {
+		tcp_shutdown(ssk, SEND_SHUTDOWN);
+	}
+}
+
 /* subflow sockets can be either outgoing (connect) or incoming
  * (accept).
  *
@@ -2391,7 +2405,7 @@ static void __mptcp_close_ssk(struct sock *sk, struct sock *ssk,
 	lock_sock_nested(ssk, SINGLE_DEPTH_NESTING);
 
 	if ((flags & MPTCP_CF_FASTCLOSE) && !__mptcp_check_fallback(msk)) {
-		/* be sure to force the tcp_disconnect() path,
+		/* be sure to force the tcp_close path
 		 * to generate the egress reset
 		 */
 		ssk->sk_lingertime = 0;
@@ -2401,11 +2415,7 @@ static void __mptcp_close_ssk(struct sock *sk, struct sock *ssk,
 
 	need_push = (flags & MPTCP_CF_PUSH) && __mptcp_retransmit_pending_data(sk);
 	if (!dispose_it) {
-		/* The MPTCP code never wait on the subflow sockets, TCP-level
+		__mptcp_subflow_disconnect(ssk, subflow, flags);
-		 * disconnect should never fail
-		 */
-		WARN_ON_ONCE(tcp_disconnect(ssk, 0));
-		mptcp_subflow_ctx_reset(subflow);
 		release_sock(ssk);
 
 		goto out;
@@ -3098,12 +3108,6 @@ static int mptcp_disconnect(struct sock *sk, int flags)
 {
 	struct mptcp_sock *msk = mptcp_sk(sk);
 
-	/* Deny disconnect if other threads are blocked in sk_wait_event()
-	 * or inet_wait_for_connect().
-	 */
-	if (sk->sk_wait_pending)
-		return -EBUSY;
-
 	/* We are on the fastopen error path. We can't call straight into the
 	 * subflows cleanup code due to lock nesting (we are already under
 	 * msk->firstsocket lock).
@@ -3173,7 +3177,6 @@ struct sock *mptcp_sk_clone_init(const struct sock *sk,
 		inet_sk(nsk)->pinet6 = mptcp_inet6_sk(nsk);
 #endif
 
-	nsk->sk_wait_pending = 0;
 	__mptcp_init_sock(nsk);
 
 	msk = mptcp_sk(nsk);

net/netfilter/nf_tables_api.c

@@ -3166,7 +3166,7 @@ int nft_expr_inner_parse(const struct nft_ctx *ctx, const struct nlattr *nla,
 	if (err < 0)
 		return err;
 
-	if (!tb[NFTA_EXPR_DATA])
+	if (!tb[NFTA_EXPR_DATA] || !tb[NFTA_EXPR_NAME])
 		return -EINVAL;
 
 	type = __nft_expr_type_get(ctx->family, tb[NFTA_EXPR_NAME]);
@@ -5556,7 +5556,6 @@ static int nf_tables_fill_setelem(struct sk_buff *skb,
 	const struct nft_set_ext *ext = nft_set_elem_ext(set, elem->priv);
 	unsigned char *b = skb_tail_pointer(skb);
 	struct nlattr *nest;
-	u64 timeout = 0;
 
 	nest = nla_nest_start_noflag(skb, NFTA_LIST_ELEM);
 	if (nest == NULL)
@@ -5592,15 +5591,11 @@ static int nf_tables_fill_setelem(struct sk_buff *skb,
 		         htonl(*nft_set_ext_flags(ext))))
 		goto nla_put_failure;
 
-	if (nft_set_ext_exists(ext, NFT_SET_EXT_TIMEOUT)) {
+	if (nft_set_ext_exists(ext, NFT_SET_EXT_TIMEOUT) &&
-		timeout = *nft_set_ext_timeout(ext);
+	    nla_put_be64(skb, NFTA_SET_ELEM_TIMEOUT,
-		if (nla_put_be64(skb, NFTA_SET_ELEM_TIMEOUT,
+			 nf_jiffies64_to_msecs(*nft_set_ext_timeout(ext)),
-				 nf_jiffies64_to_msecs(timeout),
+			 NFTA_SET_ELEM_PAD))
-				 NFTA_SET_ELEM_PAD))
+		goto nla_put_failure;
-			goto nla_put_failure;
-	} else if (set->flags & NFT_SET_TIMEOUT) {
-		timeout = READ_ONCE(set->timeout);
-	}
 
 	if (nft_set_ext_exists(ext, NFT_SET_EXT_EXPIRATION)) {
 		u64 expires, now = get_jiffies_64();
@@ -5615,9 +5610,6 @@ static int nf_tables_fill_setelem(struct sk_buff *skb,
 				 nf_jiffies64_to_msecs(expires),
 				 NFTA_SET_ELEM_PAD))
 			goto nla_put_failure;
-
-		if (reset)
-			*nft_set_ext_expiration(ext) = now + timeout;
 	}
 
 	if (nft_set_ext_exists(ext, NFT_SET_EXT_USERDATA)) {
@@ -7615,6 +7607,16 @@ nla_put_failure:
 	return -1;
 }
 
+static void audit_log_obj_reset(const struct nft_table *table,
+				unsigned int base_seq, unsigned int nentries)
+{
+	char *buf = kasprintf(GFP_ATOMIC, "%s:%u", table->name, base_seq);
+
+	audit_log_nfcfg(buf, table->family, nentries,
+			AUDIT_NFT_OP_OBJ_RESET, GFP_ATOMIC);
+	kfree(buf);
+}
+
 struct nft_obj_filter {
 	char		*table;
 	u32		type;
@@ -7629,8 +7631,10 @@ static int nf_tables_dump_obj(struct sk_buff *skb, struct netlink_callback *cb)
 	struct net *net = sock_net(skb->sk);
 	int family = nfmsg->nfgen_family;
 	struct nftables_pernet *nft_net;
+	unsigned int entries = 0;
 	struct nft_object *obj;
 	bool reset = false;
+	int rc = 0;
 
 	if (NFNL_MSG_TYPE(cb->nlh->nlmsg_type) == NFT_MSG_GETOBJ_RESET)
 		reset = true;
@@ -7643,6 +7647,7 @@ static int nf_tables_dump_obj(struct sk_buff *skb, struct netlink_callback *cb)
 		if (family != NFPROTO_UNSPEC && family != table->family)
 			continue;
 
+		entries = 0;
 		list_for_each_entry_rcu(obj, &table->objects, list) {
 			if (!nft_is_active(net, obj))
 				goto cont;
@@ -7658,34 +7663,27 @@ static int nf_tables_dump_obj(struct sk_buff *skb, struct netlink_callback *cb)
 			    filter->type != NFT_OBJECT_UNSPEC &&
 			    obj->ops->type->type != filter->type)
 				goto cont;
-			if (reset) {
-				char *buf = kasprintf(GFP_ATOMIC,
-						      "%s:%u",
-						      table->name,
-						      nft_net->base_seq);
 
-				audit_log_nfcfg(buf,
+			rc = nf_tables_fill_obj_info(skb, net,
-						family,
+						     NETLINK_CB(cb->skb).portid,
-						obj->handle,
+						     cb->nlh->nlmsg_seq,
-						AUDIT_NFT_OP_OBJ_RESET,
+						     NFT_MSG_NEWOBJ,
-						GFP_ATOMIC);
+						     NLM_F_MULTI | NLM_F_APPEND,
-				kfree(buf);
+						     table->family, table,
-			}
+						     obj, reset);
-
+			if (rc < 0)
-			if (nf_tables_fill_obj_info(skb, net, NETLINK_CB(cb->skb).portid,
+				break;
-						    cb->nlh->nlmsg_seq,
-						    NFT_MSG_NEWOBJ,
-						    NLM_F_MULTI | NLM_F_APPEND,
-						    table->family, table,
-						    obj, reset) < 0)
-				goto done;
 
+			entries++;
 			nl_dump_check_consistent(cb, nlmsg_hdr(skb));
 cont:
 			idx++;
 		}
+		if (reset && entries)
+			audit_log_obj_reset(table, nft_net->base_seq, entries);
+		if (rc < 0)
+			break;
 	}
-done:
 	rcu_read_unlock();
 
 	cb->args[0] = idx;
@@ -7790,7 +7788,7 @@ static int nf_tables_getobj(struct sk_buff *skb, const struct nfnl_info *info,
 
 		audit_log_nfcfg(buf,
 				family,
-				obj->handle,
+				1,
 				AUDIT_NFT_OP_OBJ_RESET,
 				GFP_ATOMIC);
 		kfree(buf);

net/netfilter/nfnetlink_log.c

@@ -698,8 +698,8 @@ nfulnl_log_packet(struct net *net,
 	unsigned int plen = 0;
 	struct nfnl_log_net *log = nfnl_log_pernet(net);
 	const struct nfnl_ct_hook *nfnl_ct = NULL;
+	enum ip_conntrack_info ctinfo = 0;
 	struct nf_conn *ct = NULL;
-	enum ip_conntrack_info ctinfo;
 
 	if (li_user && li_user->type == NF_LOG_TYPE_ULOG)
 		li = li_user;

net/netfilter/nft_inner.c

@@ -298,6 +298,7 @@ static int nft_inner_init(const struct nft_ctx *ctx,
 	int err;
 
 	if (!tb[NFTA_INNER_FLAGS] ||
+	    !tb[NFTA_INNER_NUM] ||
 	    !tb[NFTA_INNER_HDRSIZE] ||
 	    !tb[NFTA_INNER_TYPE] ||
 	    !tb[NFTA_INNER_EXPR])

net/netfilter/nft_payload.c

@@ -179,7 +179,7 @@ void nft_payload_eval(const struct nft_expr *expr,
 
 	switch (priv->base) {
 	case NFT_PAYLOAD_LL_HEADER:
-		if (!skb_mac_header_was_set(skb))
+		if (!skb_mac_header_was_set(skb) || skb_mac_header_len(skb) == 0)
 			goto err;
 
 		if (skb_vlan_tag_present(skb) &&

net/netfilter/nft_set_pipapo.h

@@ -147,7 +147,7 @@ struct nft_pipapo_match {
 	unsigned long * __percpu *scratch;
 	size_t bsize_max;
 	struct rcu_head rcu;
-	struct nft_pipapo_field f[];
+	struct nft_pipapo_field f[] __counted_by(field_count);
 };
 
 /**

net/netfilter/nft_set_rbtree.c

@@ -568,6 +568,8 @@ static void *nft_rbtree_deactivate(const struct net *net,
 				   nft_rbtree_interval_end(this)) {
 				parent = parent->rb_right;
 				continue;
+			} else if (nft_set_elem_expired(&rbe->ext)) {
+				break;
 			} else if (!nft_set_elem_active(&rbe->ext, genmask)) {
 				parent = parent->rb_left;
 				continue;

net/nfc/nci/spi.c

@@ -151,6 +151,8 @@ static int send_acknowledge(struct nci_spi *nspi, u8 acknowledge)
 	int ret;
 
 	skb = nci_skb_alloc(nspi->ndev, 0, GFP_KERNEL);
+	if (!skb)
+		return -ENOMEM;
 
 	/* add the NCI SPI header to the start of the buffer */
 	hdr = skb_push(skb, NCI_SPI_HDR_LEN);

net/rfkill/core.c

@@ -1180,7 +1180,6 @@ static int rfkill_fop_open(struct inode *inode, struct file *file)
 	init_waitqueue_head(&data->read_wait);
 
 	mutex_lock(&rfkill_global_mutex);
-	mutex_lock(&data->mtx);
 	/*
 	 * start getting events from elsewhere but hold mtx to get
 	 * startup events added first
@@ -1192,10 +1191,11 @@ static int rfkill_fop_open(struct inode *inode, struct file *file)
 			goto free;
 		rfkill_sync(rfkill);
 		rfkill_fill_event(&ev->ev, rfkill, RFKILL_OP_ADD);
+		mutex_lock(&data->mtx);
 		list_add_tail(&ev->list, &data->events);
+		mutex_unlock(&data->mtx);
 	}
 	list_add(&data->list, &rfkill_fds);
-	mutex_unlock(&data->mtx);
 	mutex_unlock(&rfkill_global_mutex);
 
 	file->private_data = data;
@@ -1203,7 +1203,6 @@ static int rfkill_fop_open(struct inode *inode, struct file *file)
 	return stream_open(inode, file);
 
  free:
-	mutex_unlock(&data->mtx);
 	mutex_unlock(&rfkill_global_mutex);
 	mutex_destroy(&data->mtx);
 	list_for_each_entry_safe(ev, tmp, &data->events, list)

net/rfkill/rfkill-gpio.c

@@ -108,13 +108,13 @@ static int rfkill_gpio_probe(struct platform_device *pdev)
 
 	rfkill->clk = devm_clk_get(&pdev->dev, NULL);
 
-	gpio = devm_gpiod_get_optional(&pdev->dev, "reset", GPIOD_OUT_LOW);
+	gpio = devm_gpiod_get_optional(&pdev->dev, "reset", GPIOD_ASIS);
 	if (IS_ERR(gpio))
 		return PTR_ERR(gpio);
 
 	rfkill->reset_gpio = gpio;
 
-	gpio = devm_gpiod_get_optional(&pdev->dev, "shutdown", GPIOD_OUT_LOW);
+	gpio = devm_gpiod_get_optional(&pdev->dev, "shutdown", GPIOD_ASIS);
 	if (IS_ERR(gpio))
 		return PTR_ERR(gpio);
 

net/sched/sch_hfsc.c

@@ -902,6 +902,14 @@ hfsc_change_usc(struct hfsc_class *cl, struct tc_service_curve *usc,
 	cl->cl_flags |= HFSC_USC;
 }
 
+static void
+hfsc_upgrade_rt(struct hfsc_class *cl)
+{
+	cl->cl_fsc = cl->cl_rsc;
+	rtsc_init(&cl->cl_virtual, &cl->cl_fsc, cl->cl_vt, cl->cl_total);
+	cl->cl_flags |= HFSC_FSC;
+}
+
 static const struct nla_policy hfsc_policy[TCA_HFSC_MAX + 1] = {
 	[TCA_HFSC_RSC]	= { .len = sizeof(struct tc_service_curve) },
 	[TCA_HFSC_FSC]	= { .len = sizeof(struct tc_service_curve) },
@@ -1011,10 +1019,6 @@ hfsc_change_class(struct Qdisc *sch, u32 classid, u32 parentid,
 		if (parent == NULL)
 			return -ENOENT;
 	}
-	if (!(parent->cl_flags & HFSC_FSC) && parent != &q->root) {
-		NL_SET_ERR_MSG(extack, "Invalid parent - parent class must have FSC");
-		return -EINVAL;
-	}
 
 	if (classid == 0 || TC_H_MAJ(classid ^ sch->handle) != 0)
 		return -EINVAL;
@@ -1065,6 +1069,12 @@ hfsc_change_class(struct Qdisc *sch, u32 classid, u32 parentid,
 	cl->cf_tree = RB_ROOT;
 
 	sch_tree_lock(sch);
+	/* Check if the inner class is a misconfigured 'rt' */
+	if (!(parent->cl_flags & HFSC_FSC) && parent != &q->root) {
+		NL_SET_ERR_MSG(extack,
+			       "Forced curve change on parent 'rt' to 'sc'");
+		hfsc_upgrade_rt(parent);
+	}
 	qdisc_class_hash_insert(&q->clhash, &cl->cl_common);
 	list_add_tail(&cl->siblings, &parent->children);
 	if (parent->level == 0)

net/smc/af_smc.c

@@ -1201,6 +1201,7 @@ static int smc_connect_rdma_v2_prepare(struct smc_sock *smc,
 		(struct smc_clc_msg_accept_confirm_v2 *)aclc;
 	struct smc_clc_first_contact_ext *fce =
 		smc_get_clc_first_contact_ext(clc_v2, false);
+	struct net *net = sock_net(&smc->sk);
 	int rc;
 
 	if (!ini->first_contact_peer || aclc->hdr.version == SMC_V1)
@@ -1210,7 +1211,7 @@ static int smc_connect_rdma_v2_prepare(struct smc_sock *smc,
 		memcpy(ini->smcrv2.nexthop_mac, &aclc->r0.lcl.mac, ETH_ALEN);
 		ini->smcrv2.uses_gateway = false;
 	} else {
-		if (smc_ib_find_route(smc->clcsock->sk->sk_rcv_saddr,
+		if (smc_ib_find_route(net, smc->clcsock->sk->sk_rcv_saddr,
 				      smc_ib_gid_to_ipv4(aclc->r0.lcl.gid),
 				      ini->smcrv2.nexthop_mac,
 				      &ini->smcrv2.uses_gateway))
@@ -2361,7 +2362,7 @@ static int smc_listen_find_device(struct smc_sock *new_smc,
 		smc_find_ism_store_rc(rc, ini);
 		return (!rc) ? 0 : ini->rc;
 	}
-	return SMC_CLC_DECL_NOSMCDEV;
+	return prfx_rc;
 }
 
 /* listen worker: finish RDMA setup */

net/smc/smc_ib.c

@@ -193,7 +193,7 @@ bool smc_ib_port_active(struct smc_ib_device *smcibdev, u8 ibport)
 	return smcibdev->pattr[ibport - 1].state == IB_PORT_ACTIVE;
 }
 
-int smc_ib_find_route(__be32 saddr, __be32 daddr,
+int smc_ib_find_route(struct net *net, __be32 saddr, __be32 daddr,
 		      u8 nexthop_mac[], u8 *uses_gateway)
 {
 	struct neighbour *neigh = NULL;
@@ -205,7 +205,7 @@ int smc_ib_find_route(__be32 saddr, __be32 daddr,
 
 	if (daddr == cpu_to_be32(INADDR_NONE))
 		goto out;
-	rt = ip_route_output_flow(&init_net, &fl4, NULL);
+	rt = ip_route_output_flow(net, &fl4, NULL);
 	if (IS_ERR(rt))
 		goto out;
 	if (rt->rt_uses_gateway && rt->rt_gw_family != AF_INET)
@@ -235,6 +235,7 @@ static int smc_ib_determine_gid_rcu(const struct net_device *ndev,
 	if (smcrv2 && attr->gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP &&
 	    smc_ib_gid_to_ipv4((u8 *)&attr->gid) != cpu_to_be32(INADDR_NONE)) {
 		struct in_device *in_dev = __in_dev_get_rcu(ndev);
+		struct net *net = dev_net(ndev);
 		const struct in_ifaddr *ifa;
 		bool subnet_match = false;
 
@@ -248,7 +249,7 @@ static int smc_ib_determine_gid_rcu(const struct net_device *ndev,
 		}
 		if (!subnet_match)
 			goto out;
-		if (smcrv2->daddr && smc_ib_find_route(smcrv2->saddr,
+		if (smcrv2->daddr && smc_ib_find_route(net, smcrv2->saddr,
 						       smcrv2->daddr,
 						       smcrv2->nexthop_mac,
 						       &smcrv2->uses_gateway))

net/smc/smc_ib.h

@@ -112,7 +112,7 @@ void smc_ib_sync_sg_for_device(struct smc_link *lnk,
 int smc_ib_determine_gid(struct smc_ib_device *smcibdev, u8 ibport,
 			 unsigned short vlan_id, u8 gid[], u8 *sgid_index,
 			 struct smc_init_info_smcrv2 *smcrv2);
-int smc_ib_find_route(__be32 saddr, __be32 daddr,
+int smc_ib_find_route(struct net *net, __be32 saddr, __be32 daddr,
 		      u8 nexthop_mac[], u8 *uses_gateway);
 bool smc_ib_is_valid_local_systemid(void);
 int smcr_nl_get_device(struct sk_buff *skb, struct netlink_callback *cb);

net/tls/tls_main.c

@@ -139,8 +139,8 @@ void update_sk_prot(struct sock *sk, struct tls_context *ctx)
 
 int wait_on_pending_writer(struct sock *sk, long *timeo)
 {
-	int rc = 0;
 	DEFINE_WAIT_FUNC(wait, woken_wake_function);
+	int ret, rc = 0;
 
 	add_wait_queue(sk_sleep(sk), &wait);
 	while (1) {
@@ -154,9 +154,13 @@ int wait_on_pending_writer(struct sock *sk, long *timeo)
 			break;
 		}
 
-		if (sk_wait_event(sk, timeo,
+		ret = sk_wait_event(sk, timeo,
-				  !READ_ONCE(sk->sk_write_pending), &wait))
+				    !READ_ONCE(sk->sk_write_pending), &wait);
+		if (ret) {
+			if (ret < 0)
+				rc = ret;
 			break;
+		}
 	}
 	remove_wait_queue(sk_sleep(sk), &wait);
 	return rc;

net/tls/tls_sw.c

@@ -1291,6 +1291,7 @@ tls_rx_rec_wait(struct sock *sk, struct sk_psock *psock, bool nonblock,
 	struct tls_context *tls_ctx = tls_get_ctx(sk);
 	struct tls_sw_context_rx *ctx = tls_sw_ctx_rx(tls_ctx);
 	DEFINE_WAIT_FUNC(wait, woken_wake_function);
+	int ret = 0;
 	long timeo;
 
 	timeo = sock_rcvtimeo(sk, nonblock);
@@ -1302,6 +1303,9 @@ tls_rx_rec_wait(struct sock *sk, struct sk_psock *psock, bool nonblock,
 		if (sk->sk_err)
 			return sock_error(sk);
 
+		if (ret < 0)
+			return ret;
+
 		if (!skb_queue_empty(&sk->sk_receive_queue)) {
 			tls_strp_check_rcv(&ctx->strp);
 			if (tls_strp_msg_ready(ctx))
@@ -1320,10 +1324,10 @@ tls_rx_rec_wait(struct sock *sk, struct sk_psock *psock, bool nonblock,
 		released = true;
 		add_wait_queue(sk_sleep(sk), &wait);
 		sk_set_bit(SOCKWQ_ASYNC_WAITDATA, sk);
-		sk_wait_event(sk, &timeo,
+		ret = sk_wait_event(sk, &timeo,
-			      tls_strp_msg_ready(ctx) ||
+				    tls_strp_msg_ready(ctx) ||
-			      !sk_psock_queue_empty(psock),
+				    !sk_psock_queue_empty(psock),
-			      &wait);
+				    &wait);
 		sk_clear_bit(SOCKWQ_ASYNC_WAITDATA, sk);
 		remove_wait_queue(sk_sleep(sk), &wait);
 
@@ -1852,6 +1856,7 @@ static int tls_rx_reader_acquire(struct sock *sk, struct tls_sw_context_rx *ctx,
 				 bool nonblock)
 {
 	long timeo;
+	int ret;
 
 	timeo = sock_rcvtimeo(sk, nonblock);
 
@@ -1861,14 +1866,16 @@ static int tls_rx_reader_acquire(struct sock *sk, struct tls_sw_context_rx *ctx,
 		ctx->reader_contended = 1;
 
 		add_wait_queue(&ctx->wq, &wait);
-		sk_wait_event(sk, &timeo,
+		ret = sk_wait_event(sk, &timeo,
-			      !READ_ONCE(ctx->reader_present), &wait);
+				    !READ_ONCE(ctx->reader_present), &wait);
 		remove_wait_queue(&ctx->wq, &wait);
 
 		if (timeo <= 0)
 			return -EAGAIN;
 		if (signal_pending(current))
 			return sock_intr_errno(timeo);
+		if (ret < 0)
+			return ret;
 	}
 
 	WRITE_ONCE(ctx->reader_present, 1);

net/wireless/core.c

@@ -1622,7 +1622,7 @@ void wiphy_work_queue(struct wiphy *wiphy, struct wiphy_work *work)
 		list_add_tail(&work->entry, &rdev->wiphy_work_list);
 	spin_unlock_irqrestore(&rdev->wiphy_work_lock, flags);
 
-	schedule_work(&rdev->wiphy_work);
+	queue_work(system_unbound_wq, &rdev->wiphy_work);
 }
 EXPORT_SYMBOL_GPL(wiphy_work_queue);
 

net/xfrm/xfrm_interface_core.c

@@ -380,8 +380,8 @@ static int xfrmi_rcv_cb(struct sk_buff *skb, int err)
 	skb->dev = dev;
 
 	if (err) {
-		dev->stats.rx_errors++;
+		DEV_STATS_INC(dev, rx_errors);
-		dev->stats.rx_dropped++;
+		DEV_STATS_INC(dev, rx_dropped);
 
 		return 0;
 	}
@@ -426,7 +426,6 @@ static int
 xfrmi_xmit2(struct sk_buff *skb, struct net_device *dev, struct flowi *fl)
 {
 	struct xfrm_if *xi = netdev_priv(dev);
-	struct net_device_stats *stats = &xi->dev->stats;
 	struct dst_entry *dst = skb_dst(skb);
 	unsigned int length = skb->len;
 	struct net_device *tdev;
@@ -473,7 +472,7 @@ xfrmi_xmit2(struct sk_buff *skb, struct net_device *dev, struct flowi *fl)
 	tdev = dst->dev;
 
 	if (tdev == dev) {
-		stats->collisions++;
+		DEV_STATS_INC(dev, collisions);
 		net_warn_ratelimited("%s: Local routing loop detected!\n",
 				     dev->name);
 		goto tx_err_dst_release;
@@ -512,13 +511,13 @@ xmit:
 	if (net_xmit_eval(err) == 0) {
 		dev_sw_netstats_tx_add(dev, 1, length);
 	} else {
-		stats->tx_errors++;
+		DEV_STATS_INC(dev, tx_errors);
-		stats->tx_aborted_errors++;
+		DEV_STATS_INC(dev, tx_aborted_errors);
 	}
 
 	return 0;
 tx_err_link_failure:
-	stats->tx_carrier_errors++;
+	DEV_STATS_INC(dev, tx_carrier_errors);
 	dst_link_failure(skb);
 tx_err_dst_release:
 	dst_release(dst);
@@ -528,7 +527,6 @@ tx_err_dst_release:
 static netdev_tx_t xfrmi_xmit(struct sk_buff *skb, struct net_device *dev)
 {
 	struct xfrm_if *xi = netdev_priv(dev);
-	struct net_device_stats *stats = &xi->dev->stats;
 	struct dst_entry *dst = skb_dst(skb);
 	struct flowi fl;
 	int ret;
@@ -545,7 +543,7 @@ static netdev_tx_t xfrmi_xmit(struct sk_buff *skb, struct net_device *dev)
 			dst = ip6_route_output(dev_net(dev), NULL, &fl.u.ip6);
 			if (dst->error) {
 				dst_release(dst);
-				stats->tx_carrier_errors++;
+				DEV_STATS_INC(dev, tx_carrier_errors);
 				goto tx_err;
 			}
 			skb_dst_set(skb, dst);
@@ -561,7 +559,7 @@ static netdev_tx_t xfrmi_xmit(struct sk_buff *skb, struct net_device *dev)
 			fl.u.ip4.flowi4_flags |= FLOWI_FLAG_ANYSRC;
 			rt = __ip_route_output_key(dev_net(dev), &fl.u.ip4);
 			if (IS_ERR(rt)) {
-				stats->tx_carrier_errors++;
+				DEV_STATS_INC(dev, tx_carrier_errors);
 				goto tx_err;
 			}
 			skb_dst_set(skb, &rt->dst);
@@ -580,8 +578,8 @@ static netdev_tx_t xfrmi_xmit(struct sk_buff *skb, struct net_device *dev)
 	return NETDEV_TX_OK;
 
 tx_err:
-	stats->tx_errors++;
+	DEV_STATS_INC(dev, tx_errors);
-	stats->tx_dropped++;
+	DEV_STATS_INC(dev, tx_dropped);
 	kfree_skb(skb);
 	return NETDEV_TX_OK;
 }

net/xfrm/xfrm_policy.c

@@ -851,7 +851,7 @@ static void xfrm_policy_inexact_list_reinsert(struct net *net,
 		struct hlist_node *newpos = NULL;
 		bool matches_s, matches_d;
 
-		if (!policy->bydst_reinsert)
+		if (policy->walk.dead || !policy->bydst_reinsert)
 			continue;
 
 		WARN_ON_ONCE(policy->family != family);
@@ -1256,8 +1256,11 @@ static void xfrm_hash_rebuild(struct work_struct *work)
 		struct xfrm_pol_inexact_bin *bin;
 		u8 dbits, sbits;
 
+		if (policy->walk.dead)
+			continue;
+
 		dir = xfrm_policy_id2dir(policy->index);
-		if (policy->walk.dead || dir >= XFRM_POLICY_MAX)
+		if (dir >= XFRM_POLICY_MAX)
 			continue;
 
 		if ((dir & XFRM_POLICY_MASK) == XFRM_POLICY_OUT) {
@@ -1372,8 +1375,6 @@ EXPORT_SYMBOL(xfrm_policy_hash_rebuild);
  * of an absolute inpredictability of ordering of rules. This will not pass. */
 static u32 xfrm_gen_index(struct net *net, int dir, u32 index)
 {
-	static u32 idx_generator;
-
 	for (;;) {
 		struct hlist_head *list;
 		struct xfrm_policy *p;
@@ -1381,8 +1382,8 @@ static u32 xfrm_gen_index(struct net *net, int dir, u32 index)
 		int found;
 
 		if (!index) {
-			idx = (idx_generator | dir);
+			idx = (net->xfrm.idx_generator | dir);
-			idx_generator += 8;
+			net->xfrm.idx_generator += 8;
 		} else {
 			idx = index;
 			index = 0;
@@ -1823,9 +1824,11 @@ int xfrm_policy_flush(struct net *net, u8 type, bool task_valid)
 
 again:
 	list_for_each_entry(pol, &net->xfrm.policy_all, walk.all) {
+		if (pol->walk.dead)
+			continue;
+
 		dir = xfrm_policy_id2dir(pol->index);
-		if (pol->walk.dead ||
+		if (dir >= XFRM_POLICY_MAX ||
-		    dir >= XFRM_POLICY_MAX ||
 		    pol->type != type)
 			continue;
 
@@ -1862,9 +1865,11 @@ int xfrm_dev_policy_flush(struct net *net, struct net_device *dev,
 
 again:
 	list_for_each_entry(pol, &net->xfrm.policy_all, walk.all) {
+		if (pol->walk.dead)
+			continue;
+
 		dir = xfrm_policy_id2dir(pol->index);
-		if (pol->walk.dead ||
+		if (dir >= XFRM_POLICY_MAX ||
-		    dir >= XFRM_POLICY_MAX ||
 		    pol->xdo.dev != dev)
 			continue;
 
@@ -3215,7 +3220,7 @@ no_transform:
 	}
 
 	for (i = 0; i < num_pols; i++)
-		pols[i]->curlft.use_time = ktime_get_real_seconds();
+		WRITE_ONCE(pols[i]->curlft.use_time, ktime_get_real_seconds());
 
 	if (num_xfrms < 0) {
 		/* Prohibit the flow */

tools/net/ynl/generated/devlink-user.c

@@ -16,19 +16,19 @@
 static const char * const devlink_op_strmap[] = {
 	[3] = "get",
 	[7] = "port-get",
-	[DEVLINK_CMD_SB_GET] = "sb-get",
+	[13] = "sb-get",
-	[DEVLINK_CMD_SB_POOL_GET] = "sb-pool-get",
+	[17] = "sb-pool-get",
-	[DEVLINK_CMD_SB_PORT_POOL_GET] = "sb-port-pool-get",
+	[21] = "sb-port-pool-get",
-	[DEVLINK_CMD_SB_TC_POOL_BIND_GET] = "sb-tc-pool-bind-get",
+	[25] = "sb-tc-pool-bind-get",
 	[DEVLINK_CMD_PARAM_GET] = "param-get",
 	[DEVLINK_CMD_REGION_GET] = "region-get",
 	[DEVLINK_CMD_INFO_GET] = "info-get",
 	[DEVLINK_CMD_HEALTH_REPORTER_GET] = "health-reporter-get",
-	[DEVLINK_CMD_TRAP_GET] = "trap-get",
+	[63] = "trap-get",
-	[DEVLINK_CMD_TRAP_GROUP_GET] = "trap-group-get",
+	[67] = "trap-group-get",
-	[DEVLINK_CMD_TRAP_POLICER_GET] = "trap-policer-get",
+	[71] = "trap-policer-get",
-	[DEVLINK_CMD_RATE_GET] = "rate-get",
+	[76] = "rate-get",
-	[DEVLINK_CMD_LINECARD_GET] = "linecard-get",
+	[80] = "linecard-get",
 	[DEVLINK_CMD_SELFTESTS_GET] = "selftests-get",
 };
 
@@ -838,7 +838,7 @@ devlink_sb_get(struct ynl_sock *ys, struct devlink_sb_get_req *req)
 	rsp = calloc(1, sizeof(*rsp));
 	yrs.yarg.data = rsp;
 	yrs.cb = devlink_sb_get_rsp_parse;
-	yrs.rsp_cmd = DEVLINK_CMD_SB_GET;
+	yrs.rsp_cmd = 13;
 
 	err = ynl_exec(ys, nlh, &yrs);
 	if (err < 0)
@@ -876,7 +876,7 @@ devlink_sb_get_dump(struct ynl_sock *ys, struct devlink_sb_get_req_dump *req)
 	yds.ys = ys;
 	yds.alloc_sz = sizeof(struct devlink_sb_get_list);
 	yds.cb = devlink_sb_get_rsp_parse;
-	yds.rsp_cmd = DEVLINK_CMD_SB_GET;
+	yds.rsp_cmd = 13;
 	yds.rsp_policy = &devlink_nest;
 
 	nlh = ynl_gemsg_start_dump(ys, ys->family_id, DEVLINK_CMD_SB_GET, 1);
@@ -987,7 +987,7 @@ devlink_sb_pool_get(struct ynl_sock *ys, struct devlink_sb_pool_get_req *req)
 	rsp = calloc(1, sizeof(*rsp));
 	yrs.yarg.data = rsp;
 	yrs.cb = devlink_sb_pool_get_rsp_parse;
-	yrs.rsp_cmd = DEVLINK_CMD_SB_POOL_GET;
+	yrs.rsp_cmd = 17;
 
 	err = ynl_exec(ys, nlh, &yrs);
 	if (err < 0)
@@ -1026,7 +1026,7 @@ devlink_sb_pool_get_dump(struct ynl_sock *ys,
 	yds.ys = ys;
 	yds.alloc_sz = sizeof(struct devlink_sb_pool_get_list);
 	yds.cb = devlink_sb_pool_get_rsp_parse;
-	yds.rsp_cmd = DEVLINK_CMD_SB_POOL_GET;
+	yds.rsp_cmd = 17;
 	yds.rsp_policy = &devlink_nest;
 
 	nlh = ynl_gemsg_start_dump(ys, ys->family_id, DEVLINK_CMD_SB_POOL_GET, 1);
@@ -1147,7 +1147,7 @@ devlink_sb_port_pool_get(struct ynl_sock *ys,
 	rsp = calloc(1, sizeof(*rsp));
 	yrs.yarg.data = rsp;
 	yrs.cb = devlink_sb_port_pool_get_rsp_parse;
-	yrs.rsp_cmd = DEVLINK_CMD_SB_PORT_POOL_GET;
+	yrs.rsp_cmd = 21;
 
 	err = ynl_exec(ys, nlh, &yrs);
 	if (err < 0)
@@ -1187,7 +1187,7 @@ devlink_sb_port_pool_get_dump(struct ynl_sock *ys,
 	yds.ys = ys;
 	yds.alloc_sz = sizeof(struct devlink_sb_port_pool_get_list);
 	yds.cb = devlink_sb_port_pool_get_rsp_parse;
-	yds.rsp_cmd = DEVLINK_CMD_SB_PORT_POOL_GET;
+	yds.rsp_cmd = 21;
 	yds.rsp_policy = &devlink_nest;
 
 	nlh = ynl_gemsg_start_dump(ys, ys->family_id, DEVLINK_CMD_SB_PORT_POOL_GET, 1);
@@ -1316,7 +1316,7 @@ devlink_sb_tc_pool_bind_get(struct ynl_sock *ys,
 	rsp = calloc(1, sizeof(*rsp));
 	yrs.yarg.data = rsp;
 	yrs.cb = devlink_sb_tc_pool_bind_get_rsp_parse;
-	yrs.rsp_cmd = DEVLINK_CMD_SB_TC_POOL_BIND_GET;
+	yrs.rsp_cmd = 25;
 
 	err = ynl_exec(ys, nlh, &yrs);
 	if (err < 0)
@@ -1356,7 +1356,7 @@ devlink_sb_tc_pool_bind_get_dump(struct ynl_sock *ys,
 	yds.ys = ys;
 	yds.alloc_sz = sizeof(struct devlink_sb_tc_pool_bind_get_list);
 	yds.cb = devlink_sb_tc_pool_bind_get_rsp_parse;
-	yds.rsp_cmd = DEVLINK_CMD_SB_TC_POOL_BIND_GET;
+	yds.rsp_cmd = 25;
 	yds.rsp_policy = &devlink_nest;
 
 	nlh = ynl_gemsg_start_dump(ys, ys->family_id, DEVLINK_CMD_SB_TC_POOL_BIND_GET, 1);
@@ -2183,7 +2183,7 @@ devlink_trap_get(struct ynl_sock *ys, struct devlink_trap_get_req *req)
 	rsp = calloc(1, sizeof(*rsp));
 	yrs.yarg.data = rsp;
 	yrs.cb = devlink_trap_get_rsp_parse;
-	yrs.rsp_cmd = DEVLINK_CMD_TRAP_GET;
+	yrs.rsp_cmd = 63;
 
 	err = ynl_exec(ys, nlh, &yrs);
 	if (err < 0)
@@ -2223,7 +2223,7 @@ devlink_trap_get_dump(struct ynl_sock *ys,
 	yds.ys = ys;
 	yds.alloc_sz = sizeof(struct devlink_trap_get_list);
 	yds.cb = devlink_trap_get_rsp_parse;
-	yds.rsp_cmd = DEVLINK_CMD_TRAP_GET;
+	yds.rsp_cmd = 63;
 	yds.rsp_policy = &devlink_nest;
 
 	nlh = ynl_gemsg_start_dump(ys, ys->family_id, DEVLINK_CMD_TRAP_GET, 1);
@@ -2336,7 +2336,7 @@ devlink_trap_group_get(struct ynl_sock *ys,
 	rsp = calloc(1, sizeof(*rsp));
 	yrs.yarg.data = rsp;
 	yrs.cb = devlink_trap_group_get_rsp_parse;
-	yrs.rsp_cmd = DEVLINK_CMD_TRAP_GROUP_GET;
+	yrs.rsp_cmd = 67;
 
 	err = ynl_exec(ys, nlh, &yrs);
 	if (err < 0)
@@ -2376,7 +2376,7 @@ devlink_trap_group_get_dump(struct ynl_sock *ys,
 	yds.ys = ys;
 	yds.alloc_sz = sizeof(struct devlink_trap_group_get_list);
 	yds.cb = devlink_trap_group_get_rsp_parse;
-	yds.rsp_cmd = DEVLINK_CMD_TRAP_GROUP_GET;
+	yds.rsp_cmd = 67;
 	yds.rsp_policy = &devlink_nest;
 
 	nlh = ynl_gemsg_start_dump(ys, ys->family_id, DEVLINK_CMD_TRAP_GROUP_GET, 1);
@@ -2483,7 +2483,7 @@ devlink_trap_policer_get(struct ynl_sock *ys,
 	rsp = calloc(1, sizeof(*rsp));
 	yrs.yarg.data = rsp;
 	yrs.cb = devlink_trap_policer_get_rsp_parse;
-	yrs.rsp_cmd = DEVLINK_CMD_TRAP_POLICER_GET;
+	yrs.rsp_cmd = 71;
 
 	err = ynl_exec(ys, nlh, &yrs);
 	if (err < 0)
@@ -2523,7 +2523,7 @@ devlink_trap_policer_get_dump(struct ynl_sock *ys,
 	yds.ys = ys;
 	yds.alloc_sz = sizeof(struct devlink_trap_policer_get_list);
 	yds.cb = devlink_trap_policer_get_rsp_parse;
-	yds.rsp_cmd = DEVLINK_CMD_TRAP_POLICER_GET;
+	yds.rsp_cmd = 71;
 	yds.rsp_policy = &devlink_nest;
 
 	nlh = ynl_gemsg_start_dump(ys, ys->family_id, DEVLINK_CMD_TRAP_POLICER_GET, 1);
@@ -2642,7 +2642,7 @@ devlink_rate_get(struct ynl_sock *ys, struct devlink_rate_get_req *req)
 	rsp = calloc(1, sizeof(*rsp));
 	yrs.yarg.data = rsp;
 	yrs.cb = devlink_rate_get_rsp_parse;
-	yrs.rsp_cmd = DEVLINK_CMD_RATE_GET;
+	yrs.rsp_cmd = 76;
 
 	err = ynl_exec(ys, nlh, &yrs);
 	if (err < 0)
@@ -2682,7 +2682,7 @@ devlink_rate_get_dump(struct ynl_sock *ys,
 	yds.ys = ys;
 	yds.alloc_sz = sizeof(struct devlink_rate_get_list);
 	yds.cb = devlink_rate_get_rsp_parse;
-	yds.rsp_cmd = DEVLINK_CMD_RATE_GET;
+	yds.rsp_cmd = 76;
 	yds.rsp_policy = &devlink_nest;
 
 	nlh = ynl_gemsg_start_dump(ys, ys->family_id, DEVLINK_CMD_RATE_GET, 1);
@@ -2786,7 +2786,7 @@ devlink_linecard_get(struct ynl_sock *ys, struct devlink_linecard_get_req *req)
 	rsp = calloc(1, sizeof(*rsp));
 	yrs.yarg.data = rsp;
 	yrs.cb = devlink_linecard_get_rsp_parse;
-	yrs.rsp_cmd = DEVLINK_CMD_LINECARD_GET;
+	yrs.rsp_cmd = 80;
 
 	err = ynl_exec(ys, nlh, &yrs);
 	if (err < 0)
@@ -2825,7 +2825,7 @@ devlink_linecard_get_dump(struct ynl_sock *ys,
 	yds.ys = ys;
 	yds.alloc_sz = sizeof(struct devlink_linecard_get_list);
 	yds.cb = devlink_linecard_get_rsp_parse;
-	yds.rsp_cmd = DEVLINK_CMD_LINECARD_GET;
+	yds.rsp_cmd = 80;
 	yds.rsp_policy = &devlink_nest;
 
 	nlh = ynl_gemsg_start_dump(ys, ys->family_id, DEVLINK_CMD_LINECARD_GET, 1);

tools/testing/selftests/net/Makefile

@@ -34,6 +34,7 @@ TEST_PROGS += gro.sh
 TEST_PROGS += gre_gso.sh
 TEST_PROGS += cmsg_so_mark.sh
 TEST_PROGS += cmsg_time.sh cmsg_ipv6.sh
+TEST_PROGS += netns-name.sh
 TEST_PROGS += srv6_end_dt46_l3vpn_test.sh
 TEST_PROGS += srv6_end_dt4_l3vpn_test.sh
 TEST_PROGS += srv6_end_dt6_l3vpn_test.sh

tools/testing/selftests/net/fib_tests.sh

@@ -2437,6 +2437,9 @@ ipv4_mpath_list_test()
 	run_cmd "ip -n ns2 route add 203.0.113.0/24
 		nexthop via 172.16.201.2 nexthop via 172.16.202.2"
 	run_cmd "ip netns exec ns2 sysctl -qw net.ipv4.fib_multipath_hash_policy=1"
+	run_cmd "ip netns exec ns2 sysctl -qw net.ipv4.conf.veth2.rp_filter=0"
+	run_cmd "ip netns exec ns2 sysctl -qw net.ipv4.conf.all.rp_filter=0"
+	run_cmd "ip netns exec ns2 sysctl -qw net.ipv4.conf.default.rp_filter=0"
 	set +e
 
 	local dmac=$(ip -n ns2 -j link show dev veth2 | jq -r '.[]["address"]')
@@ -2449,7 +2452,7 @@ ipv4_mpath_list_test()
 	# words, the FIB lookup tracepoint needs to be triggered for every
 	# packet.
 	local t0_rx_pkts=$(link_stats_get ns2 veth2 rx packets)
-	run_cmd "perf stat -e fib:fib_table_lookup --filter 'err == 0' -j -o $tmp_file -- $cmd"
+	run_cmd "perf stat -a -e fib:fib_table_lookup --filter 'err == 0' -j -o $tmp_file -- $cmd"
 	local t1_rx_pkts=$(link_stats_get ns2 veth2 rx packets)
 	local diff=$(echo $t1_rx_pkts - $t0_rx_pkts | bc -l)
 	list_rcv_eval $tmp_file $diff
@@ -2494,7 +2497,7 @@ ipv6_mpath_list_test()
 	# words, the FIB lookup tracepoint needs to be triggered for every
 	# packet.
 	local t0_rx_pkts=$(link_stats_get ns2 veth2 rx packets)
-	run_cmd "perf stat -e fib6:fib6_table_lookup --filter 'err == 0' -j -o $tmp_file -- $cmd"
+	run_cmd "perf stat -a -e fib6:fib6_table_lookup --filter 'err == 0' -j -o $tmp_file -- $cmd"
 	local t1_rx_pkts=$(link_stats_get ns2 veth2 rx packets)
 	local diff=$(echo $t1_rx_pkts - $t0_rx_pkts | bc -l)
 	list_rcv_eval $tmp_file $diff

tools/testing/selftests/net/mptcp/mptcp_join.sh

@@ -1432,7 +1432,9 @@ chk_rst_nr()
 	count=$(get_counter ${ns_tx} "MPTcpExtMPRstTx")
 	if [ -z "$count" ]; then
 		print_skip
-	elif [ $count -lt $rst_tx ]; then
+	# accept more rst than expected except if we don't expect any
+	elif { [ $rst_tx -ne 0 ] && [ $count -lt $rst_tx ]; } ||
+	     { [ $rst_tx -eq 0 ] && [ $count -ne 0 ]; }; then
 		fail_test "got $count MP_RST[s] TX expected $rst_tx"
 	else
 		print_ok
@@ -1442,7 +1444,9 @@ chk_rst_nr()
 	count=$(get_counter ${ns_rx} "MPTcpExtMPRstRx")
 	if [ -z "$count" ]; then
 		print_skip
-	elif [ "$count" -lt "$rst_rx" ]; then
+	# accept more rst than expected except if we don't expect any
+	elif { [ $rst_rx -ne 0 ] && [ $count -lt $rst_rx ]; } ||
+	     { [ $rst_rx -eq 0 ] && [ $count -ne 0 ]; }; then
 		fail_test "got $count MP_RST[s] RX expected $rst_rx"
 	else
 		print_ok
@@ -2305,6 +2309,7 @@ remove_tests()
 		chk_join_nr 1 1 1
 		chk_rm_tx_nr 1
 		chk_rm_nr 1 1
+		chk_rst_nr 0 0
 	fi
 
 	# multiple subflows, remove
@@ -2317,6 +2322,7 @@ remove_tests()
 			run_tests $ns1 $ns2 10.0.1.1
 		chk_join_nr 2 2 2
 		chk_rm_nr 2 2
+		chk_rst_nr 0 0
 	fi
 
 	# single address, remove
@@ -2329,6 +2335,7 @@ remove_tests()
 		chk_join_nr 1 1 1
 		chk_add_nr 1 1
 		chk_rm_nr 1 1 invert
+		chk_rst_nr 0 0
 	fi
 
 	# subflow and signal, remove
@@ -2342,6 +2349,7 @@ remove_tests()
 		chk_join_nr 2 2 2
 		chk_add_nr 1 1
 		chk_rm_nr 1 1
+		chk_rst_nr 0 0
 	fi
 
 	# subflows and signal, remove
@@ -2356,6 +2364,7 @@ remove_tests()
 		chk_join_nr 3 3 3
 		chk_add_nr 1 1
 		chk_rm_nr 2 2
+		chk_rst_nr 0 0
 	fi
 
 	# addresses remove
@@ -2370,6 +2379,7 @@ remove_tests()
 		chk_join_nr 3 3 3
 		chk_add_nr 3 3
 		chk_rm_nr 3 3 invert
+		chk_rst_nr 0 0
 	fi
 
 	# invalid addresses remove
@@ -2384,6 +2394,7 @@ remove_tests()
 		chk_join_nr 1 1 1
 		chk_add_nr 3 3
 		chk_rm_nr 3 1 invert
+		chk_rst_nr 0 0
 	fi
 
 	# subflows and signal, flush
@@ -2398,6 +2409,7 @@ remove_tests()
 		chk_join_nr 3 3 3
 		chk_add_nr 1 1
 		chk_rm_nr 1 3 invert simult
+		chk_rst_nr 0 0
 	fi
 
 	# subflows flush
@@ -2417,6 +2429,7 @@ remove_tests()
 		else
 			chk_rm_nr 3 3
 		fi
+		chk_rst_nr 0 0
 	fi
 
 	# addresses flush
@@ -2431,6 +2444,7 @@ remove_tests()
 		chk_join_nr 3 3 3
 		chk_add_nr 3 3
 		chk_rm_nr 3 3 invert simult
+		chk_rst_nr 0 0
 	fi
 
 	# invalid addresses flush
@@ -2445,6 +2459,7 @@ remove_tests()
 		chk_join_nr 1 1 1
 		chk_add_nr 3 3
 		chk_rm_nr 3 1 invert
+		chk_rst_nr 0 0
 	fi
 
 	# remove id 0 subflow
@@ -2456,6 +2471,7 @@ remove_tests()
 			run_tests $ns1 $ns2 10.0.1.1
 		chk_join_nr 1 1 1
 		chk_rm_nr 1 1
+		chk_rst_nr 0 0
 	fi
 
 	# remove id 0 address
@@ -2468,6 +2484,7 @@ remove_tests()
 		chk_join_nr 1 1 1
 		chk_add_nr 1 1
 		chk_rm_nr 1 1 invert
+		chk_rst_nr 0 0 invert
 	fi
 }
 

tools/testing/selftests/net/netns-name.sh

@@ -0,0 +1,87 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+set -o pipefail
+
+NS=netns-name-test
+DEV=dummy-dev0
+DEV2=dummy-dev1
+ALT_NAME=some-alt-name
+
+RET_CODE=0
+
+cleanup() {
+    ip netns del $NS
+}
+
+trap cleanup EXIT
+
+fail() {
+    echo "ERROR: ${1:-unexpected return code} (ret: $_)" >&2
+    RET_CODE=1
+}
+
+ip netns add $NS
+
+#
+# Test basic move without a rename
+#
+ip -netns $NS link add name $DEV type dummy || fail
+ip -netns $NS link set dev $DEV netns 1 ||
+    fail "Can't perform a netns move"
+ip link show dev $DEV >> /dev/null || fail "Device not found after move"
+ip link del $DEV || fail
+
+#
+# Test move with a conflict
+#
+ip link add name $DEV type dummy
+ip -netns $NS link add name $DEV type dummy || fail
+ip -netns $NS link set dev $DEV netns 1 2> /dev/null &&
+    fail "Performed a netns move with a name conflict"
+ip link show dev $DEV >> /dev/null || fail "Device not found after move"
+ip -netns $NS link del $DEV || fail
+ip link del $DEV || fail
+
+#
+# Test move with a conflict and rename
+#
+ip link add name $DEV type dummy
+ip -netns $NS link add name $DEV type dummy || fail
+ip -netns $NS link set dev $DEV netns 1 name $DEV2 ||
+    fail "Can't perform a netns move with rename"
+ip link del $DEV2 || fail
+ip link del $DEV || fail
+
+#
+# Test dup alt-name with netns move
+#
+ip link add name $DEV type dummy || fail
+ip link property add dev $DEV altname $ALT_NAME || fail
+ip -netns $NS link add name $DEV2 type dummy || fail
+ip -netns $NS link property add dev $DEV2 altname $ALT_NAME || fail
+
+ip -netns $NS link set dev $DEV2 netns 1 2> /dev/null &&
+    fail "Moved with alt-name dup"
+
+ip link del $DEV || fail
+ip -netns $NS link del $DEV2 || fail
+
+#
+# Test creating alt-name in one net-ns and using in another
+#
+ip -netns $NS link add name $DEV type dummy || fail
+ip -netns $NS link property add dev $DEV altname $ALT_NAME || fail
+ip -netns $NS link set dev $DEV netns 1 || fail
+ip link show dev $ALT_NAME >> /dev/null || fail "Can't find alt-name after move"
+ip  -netns $NS link show dev $ALT_NAME 2> /dev/null &&
+    fail "Can still find alt-name after move"
+ip link del $DEV || fail
+
+echo -ne "$(basename $0) \t\t\t\t"
+if [ $RET_CODE -eq 0 ]; then
+    echo "[  OK  ]"
+else
+    echo "[ FAIL ]"
+fi
+exit $RET_CODE

tools/testing/selftests/net/openvswitch/openvswitch.sh

@@ -3,6 +3,8 @@
 #
 # OVS kernel module self tests
 
+trap ovs_exit_sig EXIT TERM INT ERR
+
 # Kselftest framework requirement - SKIP code is 4.
 ksft_skip=4
 
@@ -142,6 +144,12 @@ ovs_add_flow () {
 	return 0
 }
 
+ovs_del_flows () {
+	info "Deleting all flows from DP: sbx:$1 br:$2"
+	ovs_sbx "$1" python3 $ovs_base/ovs-dpctl.py del-flows "$2"
+	return 0
+}
+
 ovs_drop_record_and_run () {
 	local sbx=$1
 	shift
@@ -198,6 +206,17 @@ test_drop_reason() {
 	ip netns exec server ip addr add 172.31.110.20/24 dev s1
 	ip netns exec server ip link set s1 up
 
+	# Check if drop reasons can be sent
+	ovs_add_flow "test_drop_reason" dropreason \
+		'in_port(1),eth(),eth_type(0x0806),arp()' 'drop(10)' 2>/dev/null
+	if [ $? == 1 ]; then
+		info "no support for drop reasons - skipping"
+		ovs_exit_sig
+		return $ksft_skip
+	fi
+
+	ovs_del_flows "test_drop_reason" dropreason
+
 	# Allow ARP
 	ovs_add_flow "test_drop_reason" dropreason \
 		'in_port(1),eth(),eth_type(0x0806),arp()' '2' || return 1
@@ -525,7 +544,7 @@ run_test() {
 	fi
 
 	if python3 ovs-dpctl.py -h 2>&1 | \
-	     grep "Need to install the python" >/dev/null 2>&1; then
+	     grep -E "Need to (install|upgrade) the python" >/dev/null 2>&1; then
 		stdbuf -o0 printf "TEST: %-60s  [PYLIB]\n" "${tdesc}"
 		return $ksft_skip
 	fi

tools/testing/selftests/net/openvswitch/ovs-dpctl.py

@@ -28,8 +28,10 @@ try:
     from pyroute2.netlink import nlmsg_atoms
     from pyroute2.netlink.exceptions import NetlinkError
     from pyroute2.netlink.generic import GenericNetlinkSocket
+    import pyroute2
+
 except ModuleNotFoundError:
-    print("Need to install the python pyroute2 package.")
+    print("Need to install the python pyroute2 package >= 0.6.")
     sys.exit(0)
 
 
@@ -1117,12 +1119,14 @@ class ovskey(nla):
                 "src",
                 lambda x: str(ipaddress.IPv4Address(x)),
                 int,
+                convert_ipv4,
             ),
             (
                 "dst",
                 "dst",
-                lambda x: str(ipaddress.IPv6Address(x)),
+                lambda x: str(ipaddress.IPv4Address(x)),
                 int,
+                convert_ipv4,
             ),
             ("tp_src", "tp_src", "%d", int),
             ("tp_dst", "tp_dst", "%d", int),
@@ -1904,6 +1908,32 @@ class OvsFlow(GenericNetlinkSocket):
             raise ne
         return reply
 
+    def del_flows(self, dpifindex):
+        """
+        Send a del message to the kernel that will drop all flows.
+
+        dpifindex should be a valid datapath obtained by calling
+        into the OvsDatapath lookup
+        """
+
+        flowmsg = OvsFlow.ovs_flow_msg()
+        flowmsg["cmd"] = OVS_FLOW_CMD_DEL
+        flowmsg["version"] = OVS_DATAPATH_VERSION
+        flowmsg["reserved"] = 0
+        flowmsg["dpifindex"] = dpifindex
+
+        try:
+            reply = self.nlm_request(
+                flowmsg,
+                msg_type=self.prid,
+                msg_flags=NLM_F_REQUEST | NLM_F_ACK,
+            )
+            reply = reply[0]
+        except NetlinkError as ne:
+            print(flowmsg)
+            raise ne
+        return reply
+
     def dump(self, dpifindex, flowspec=None):
         """
         Returns a list of messages containing flows.
@@ -1998,6 +2028,12 @@ def main(argv):
     nlmsg_atoms.ovskey = ovskey
     nlmsg_atoms.ovsactions = ovsactions
 
+    # version check for pyroute2
+    prverscheck = pyroute2.__version__.split(".")
+    if int(prverscheck[0]) == 0 and int(prverscheck[1]) < 6:
+        print("Need to upgrade the python pyroute2 package to >= 0.6.")
+        sys.exit(0)
+
     parser = argparse.ArgumentParser()
     parser.add_argument(
         "-v",
@@ -2060,6 +2096,9 @@ def main(argv):
     addflcmd.add_argument("flow", help="Flow specification")
     addflcmd.add_argument("acts", help="Flow actions")
 
+    delfscmd = subparsers.add_parser("del-flows")
+    delfscmd.add_argument("flsbr", help="Datapath name")
+
     args = parser.parse_args()
 
     if args.verbose > 0:
@@ -2143,6 +2182,11 @@ def main(argv):
         flow = OvsFlow.ovs_flow_msg()
         flow.parse(args.flow, args.acts, rep["dpifindex"])
         ovsflow.add_flow(rep["dpifindex"], flow)
+    elif hasattr(args, "flsbr"):
+        rep = ovsdp.info(args.flsbr, 0)
+        if rep is None:
+            print("DP '%s' not found." % args.flsbr)
+        ovsflow.del_flows(rep["dpifindex"])
 
     return 0
 

tools/testing/selftests/netfilter/nft_audit.sh

@@ -11,6 +11,12 @@ nft --version >/dev/null 2>&1 || {
 	exit $SKIP_RC
 }
 
+# Run everything in a separate network namespace
+[ "${1}" != "run" ] && { unshare -n "${0}" run; exit $?; }
+
+# give other scripts a chance to finish - audit_logread sees all activity
+sleep 1
+
 logfile=$(mktemp)
 rulefile=$(mktemp)
 echo "logging into $logfile"
@@ -93,6 +99,12 @@ do_test 'nft add counter t1 c1' \
 do_test 'nft add counter t2 c1; add counter t2 c2' \
 'table=t2 family=2 entries=2 op=nft_register_obj'
 
+for ((i = 3; i <= 500; i++)); do
+	echo "add counter t2 c$i"
+done >$rulefile
+do_test "nft -f $rulefile" \
+'table=t2 family=2 entries=498 op=nft_register_obj'
+
 # adding/updating quotas
 
 do_test 'nft add quota t1 q1 { 10 bytes }' \
@@ -101,6 +113,12 @@ do_test 'nft add quota t1 q1 { 10 bytes }' \
 do_test 'nft add quota t2 q1 { 10 bytes }; add quota t2 q2 { 10 bytes }' \
 'table=t2 family=2 entries=2 op=nft_register_obj'
 
+for ((i = 3; i <= 500; i++)); do
+	echo "add quota t2 q$i { 10 bytes }"
+done >$rulefile
+do_test "nft -f $rulefile" \
+'table=t2 family=2 entries=498 op=nft_register_obj'
+
 # changing the quota value triggers obj update path
 do_test 'nft add quota t1 q1 { 20 bytes }' \
 'table=t1 family=2 entries=1 op=nft_register_obj'
@@ -150,6 +168,40 @@ done
 do_test 'nft reset set t1 s' \
 'table=t1 family=2 entries=3 op=nft_reset_setelem'
 
+# resetting counters
+
+do_test 'nft reset counter t1 c1' \
+'table=t1 family=2 entries=1 op=nft_reset_obj'
+
+do_test 'nft reset counters t1' \
+'table=t1 family=2 entries=1 op=nft_reset_obj'
+
+do_test 'nft reset counters t2' \
+'table=t2 family=2 entries=342 op=nft_reset_obj
+table=t2 family=2 entries=158 op=nft_reset_obj'
+
+do_test 'nft reset counters' \
+'table=t1 family=2 entries=1 op=nft_reset_obj
+table=t2 family=2 entries=341 op=nft_reset_obj
+table=t2 family=2 entries=159 op=nft_reset_obj'
+
+# resetting quotas
+
+do_test 'nft reset quota t1 q1' \
+'table=t1 family=2 entries=1 op=nft_reset_obj'
+
+do_test 'nft reset quotas t1' \
+'table=t1 family=2 entries=1 op=nft_reset_obj'
+
+do_test 'nft reset quotas t2' \
+'table=t2 family=2 entries=315 op=nft_reset_obj
+table=t2 family=2 entries=185 op=nft_reset_obj'
+
+do_test 'nft reset quotas' \
+'table=t1 family=2 entries=1 op=nft_reset_obj
+table=t2 family=2 entries=314 op=nft_reset_obj
+table=t2 family=2 entries=186 op=nft_reset_obj'
+
 # deleting rules
 
 readarray -t handles < <(nft -a list chain t1 c1 | \