Networking fixes for 5.11-rc6, including fixes from can, xfrm, wireless,

wireless-drivers and netfilter trees. Nothing scary, Intel WiFi-related
 fixes seemed most notable to the users.
 
 Current release - regressions:
 
  - dsa: microchip: ksz8795: fix KSZ8794 port map again to program
                             the CPU port correctly
 
 Current release - new code bugs:
 
  - iwlwifi: pcie: reschedule in long-running memory reads
 
 Previous releases - regressions:
 
  - iwlwifi: dbg: don't try to overwrite read-only FW data
 
  - iwlwifi: provide gso_type to GSO packets
 
  - octeontx2: make sure the buffer is 128 byte aligned
 
  - tcp: make TCP_USER_TIMEOUT accurate for zero window probes
 
  - xfrm: fix wraparound in xfrm_policy_addr_delta()
 
  - xfrm: fix oops in xfrm_replay_advance_bmp due to a race between CPUs
          in presence of packet reorder
 
  - tcp: fix TLP timer not set when CA_STATE changes from DISORDER
         to OPEN
 
  - wext: fix NULL-ptr-dereference with cfg80211's lack of commit()
 
 Previous releases - always broken:
 
  - igc: fix link speed advertising
 
  - stmmac: configure EHL PSE0 GbE and PSE1 GbE to 32 bits DMA addressing
 
  - team: protect features update by RCU to avoid deadlock
 
  - xfrm: fix disable_xfrm sysctl when used on xfrm interfaces themselves
 
  - fec: fix temporary RMII clock reset on link up
 
  - can: dev: prevent potential information leak in can_fill_info()
 
 Misc:
 
  - mrp: fix bad packing of MRP test packet structures
 
  - uapi: fix big endian definition of ipv6_rpl_sr_hdr
 
  - add David Ahern to IPv4/IPv6 maintainers
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.11-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Networking fixes including fixes from can, xfrm, wireless,
  wireless-drivers and netfilter trees. Nothing scary, Intel
  WiFi-related fixes seemed most notable to the users.

  Current release - regressions:

   - dsa: microchip: ksz8795: fix KSZ8794 port map again to program the
     CPU port correctly

  Current release - new code bugs:

   - iwlwifi: pcie: reschedule in long-running memory reads

  Previous releases - regressions:

   - iwlwifi: dbg: don't try to overwrite read-only FW data

   - iwlwifi: provide gso_type to GSO packets

   - octeontx2: make sure the buffer is 128 byte aligned

   - tcp: make TCP_USER_TIMEOUT accurate for zero window probes

   - xfrm: fix wraparound in xfrm_policy_addr_delta()

   - xfrm: fix oops in xfrm_replay_advance_bmp due to a race between
     CPUs in presence of packet reorder

   - tcp: fix TLP timer not set when CA_STATE changes from DISORDER to
     OPEN

   - wext: fix NULL-ptr-dereference with cfg80211's lack of commit()

  Previous releases - always broken:

   - igc: fix link speed advertising

   - stmmac: configure EHL PSE0 GbE and PSE1 GbE to 32 bits DMA
     addressing

   - team: protect features update by RCU to avoid deadlock

   - xfrm: fix disable_xfrm sysctl when used on xfrm interfaces
     themselves

   - fec: fix temporary RMII clock reset on link up

   - can: dev: prevent potential information leak in can_fill_info()

  Misc:

   - mrp: fix bad packing of MRP test packet structures

   - uapi: fix big endian definition of ipv6_rpl_sr_hdr

   - add David Ahern to IPv4/IPv6 maintainers"

* tag 'net-5.11-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (86 commits)
  rxrpc: Fix memory leak in rxrpc_lookup_local
  mlxsw: spectrum_span: Do not overwrite policer configuration
  selftests: forwarding: Specify interface when invoking mausezahn
  stmmac: intel: Configure EHL PSE0 GbE and PSE1 GbE to 32 bits DMA addressing
  net: usb: cdc_ether: added support for Thales Cinterion PLSx3 modem family.
  ibmvnic: Ensure that CRQ entry read are correctly ordered
  MAINTAINERS: add missing header for bonding
  net: decnet: fix netdev refcount leaking on error path
  net: switchdev: don't set port_obj_info->handled true when -EOPNOTSUPP
  can: dev: prevent potential information leak in can_fill_info()
  net: fec: Fix temporary RMII clock reset on link up
  net: lapb: Add locking to the lapb module
  team: protect features update by RCU to avoid deadlock
  MAINTAINERS: add David Ahern to IPv4/IPv6 maintainers
  net/mlx5: CT: Fix incorrect removal of tuple_nat_node from nat rhashtable
  net/mlx5e: Revert parameters on errors when changing MTU and LRO state without reset
  net/mlx5e: Revert parameters on errors when changing trust state without reset
  net/mlx5e: Correctly handle changing the number of queues when the interface is down
  net/mlx5e: Fix CT rule + encap slow path offload and deletion
  net/mlx5e: Disable hw-tc-offload when MLX5_CLS_ACT config is disabled
  ...

Documentation/networking/ip-sysctl.rst

@@ -1807,12 +1807,24 @@ seg6_flowlabel - INTEGER
 ``conf/default/*``:
 	Change the interface-specific default settings.
 
+	These settings would be used during creating new interfaces.
+
 
 ``conf/all/*``:
 	Change all the interface-specific settings.
 
 	[XXX:  Other special features than forwarding?]
 
+conf/all/disable_ipv6 - BOOLEAN
+	Changing this value is same as changing ``conf/default/disable_ipv6``
+	setting and also all per-interface ``disable_ipv6`` settings to the same
+	value.
+
+	Reading this value does not have any particular meaning. It does not say
+	whether IPv6 support is enabled or disabled. Returned value can be 1
+	also in the case when some interface has ``disable_ipv6`` set to 0 and
+	has configured IPv6 addresses.
+
 conf/all/forwarding - BOOLEAN
 	Enable global IPv6 forwarding between all interfaces.
 

MAINTAINERS

@@ -3239,6 +3239,7 @@ L:	netdev@vger.kernel.org
 S:	Supported
 W:	http://sourceforge.net/projects/bonding/
 F:	drivers/net/bonding/
+F:	include/net/bonding.h
 F:	include/uapi/linux/if_bonding.h
 
 BOSCH SENSORTEC BMA400 ACCELEROMETER IIO DRIVER
@@ -12412,6 +12413,7 @@ F:	tools/testing/selftests/net/ipsec.c
 NETWORKING [IPv4/IPv6]
 M:	"David S. Miller" <davem@davemloft.net>
 M:	Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
+M:	David Ahern <dsahern@kernel.org>
 L:	netdev@vger.kernel.org
 S:	Maintained
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git

drivers/net/can/dev.c

@@ -1163,7 +1163,7 @@ static int can_fill_info(struct sk_buff *skb, const struct net_device *dev)
 {
 	struct can_priv *priv = netdev_priv(dev);
 	struct can_ctrlmode cm = {.flags = priv->ctrlmode};
-	struct can_berr_counter bec;
+	struct can_berr_counter bec = { };
 	enum can_state state = priv->state;
 
 	if (priv->do_get_state)

drivers/net/dsa/bcm_sf2.c

@@ -509,15 +509,19 @@ static int bcm_sf2_mdio_register(struct dsa_switch *ds)
 	/* Find our integrated MDIO bus node */
 	dn = of_find_compatible_node(NULL, NULL, "brcm,unimac-mdio");
 	priv->master_mii_bus = of_mdio_find_bus(dn);
-	if (!priv->master_mii_bus)
+	if (!priv->master_mii_bus) {
+		of_node_put(dn);
 		return -EPROBE_DEFER;
+	}
 
 	get_device(&priv->master_mii_bus->dev);
 	priv->master_mii_dn = dn;
 
 	priv->slave_mii_bus = devm_mdiobus_alloc(ds->dev);
-	if (!priv->slave_mii_bus)
+	if (!priv->slave_mii_bus) {
+		of_node_put(dn);
 		return -ENOMEM;
+	}
 
 	priv->slave_mii_bus->priv = priv;
 	priv->slave_mii_bus->name = "sf2 slave mii";

drivers/net/dsa/microchip/ksz8795.c

@@ -1187,6 +1187,20 @@ static const struct ksz_chip_data ksz8795_switch_chips[] = {
 		.port_cnt = 5,		/* total cpu and user ports */
 	},
 	{
+		/*
+		 * WARNING
+		 * =======
+		 * KSZ8794 is similar to KSZ8795, except the port map
+		 * contains a gap between external and CPU ports, the
+		 * port map is NOT continuous. The per-port register
+		 * map is shifted accordingly too, i.e. registers at
+		 * offset 0x40 are NOT used on KSZ8794 and they ARE
+		 * used on KSZ8795 for external port 3.
+		 *           external  cpu
+		 * KSZ8794   0,1,2      4
+		 * KSZ8795   0,1,2,3    4
+		 * KSZ8765   0,1,2,3    4
+		 */
 		.chip_id = 0x8794,
 		.dev_name = "KSZ8794",
 		.num_vlans = 4096,
@@ -1220,9 +1234,13 @@ static int ksz8795_switch_init(struct ksz_device *dev)
 			dev->num_vlans = chip->num_vlans;
 			dev->num_alus = chip->num_alus;
 			dev->num_statics = chip->num_statics;
-			dev->port_cnt = chip->port_cnt;
+			dev->port_cnt = fls(chip->cpu_ports);
+			dev->cpu_port = fls(chip->cpu_ports) - 1;
+			dev->phy_port_cnt = dev->port_cnt - 1;
 			dev->cpu_ports = chip->cpu_ports;
-
+			dev->host_mask = chip->cpu_ports;
+			dev->port_mask = (BIT(dev->phy_port_cnt) - 1) |
+					 chip->cpu_ports;
 			break;
 		}
 	}
@@ -1231,17 +1249,9 @@ static int ksz8795_switch_init(struct ksz_device *dev)
 	if (!dev->cpu_ports)
 		return -ENODEV;
 
-	dev->port_mask = BIT(dev->port_cnt) - 1;
-	dev->port_mask |= dev->host_mask;
-
 	dev->reg_mib_cnt = KSZ8795_COUNTER_NUM;
 	dev->mib_cnt = ARRAY_SIZE(mib_names);
 
-	dev->phy_port_cnt = dev->port_cnt - 1;
-
-	dev->cpu_port = dev->port_cnt - 1;
-	dev->host_mask = BIT(dev->cpu_port);
-
 	dev->ports = devm_kzalloc(dev->dev,
 				  dev->port_cnt * sizeof(struct ksz_port),
 				  GFP_KERNEL);

drivers/net/dsa/microchip/ksz_common.c

@@ -400,7 +400,7 @@ int ksz_switch_register(struct ksz_device *dev,
 		gpiod_set_value_cansleep(dev->reset_gpio, 1);
 		usleep_range(10000, 12000);
 		gpiod_set_value_cansleep(dev->reset_gpio, 0);
-		usleep_range(100, 1000);
+		msleep(100);
 	}
 
 	mutex_init(&dev->dev_mutex);
@@ -434,7 +434,7 @@ int ksz_switch_register(struct ksz_device *dev,
 				if (of_property_read_u32(port, "reg",
 							 &port_num))
 					continue;
-				if (port_num >= dev->port_cnt)
+				if (!(dev->port_mask & BIT(port_num)))
 					return -EINVAL;
 				of_get_phy_mode(port,
 						&dev->ports[port_num].interface);

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

@@ -1158,11 +1158,9 @@ static struct sock *chtls_recv_sock(struct sock *lsk,
 #endif
 	}
 	if (!n || !n->dev)
-		goto free_sk;
+		goto free_dst;
 
 	ndev = n->dev;
-	if (!ndev)
-		goto free_dst;
 	if (is_vlan_dev(ndev))
 		ndev = vlan_dev_real_dev(ndev);
 
@@ -1250,7 +1248,8 @@ static struct sock *chtls_recv_sock(struct sock *lsk,
 free_csk:
 	chtls_sock_release(&csk->kref);
 free_dst:
-	neigh_release(n);
+	if (n)
+		neigh_release(n);
 	dst_release(dst);
 free_sk:
 	inet_csk_prepare_forced_close(newsk);

drivers/net/ethernet/freescale/fec.h

@@ -462,6 +462,11 @@ struct bufdesc_ex {
  */
 #define FEC_QUIRK_CLEAR_SETUP_MII	(1 << 17)
 
+/* Some link partners do not tolerate the momentary reset of the REF_CLK
+ * frequency when the RNCTL register is cleared by hardware reset.
+ */
+#define FEC_QUIRK_NO_HARD_RESET		(1 << 18)
+
 struct bufdesc_prop {
 	int qid;
 	/* Address of Rx and Tx buffers */

drivers/net/ethernet/freescale/fec_main.c

@@ -100,7 +100,8 @@ static const struct fec_devinfo fec_imx27_info = {
 static const struct fec_devinfo fec_imx28_info = {
 	.quirks = FEC_QUIRK_ENET_MAC | FEC_QUIRK_SWAP_FRAME |
 		  FEC_QUIRK_SINGLE_MDIO | FEC_QUIRK_HAS_RACC |
-		  FEC_QUIRK_HAS_FRREG | FEC_QUIRK_CLEAR_SETUP_MII,
+		  FEC_QUIRK_HAS_FRREG | FEC_QUIRK_CLEAR_SETUP_MII |
+		  FEC_QUIRK_NO_HARD_RESET,
 };
 
 static const struct fec_devinfo fec_imx6q_info = {
@@ -953,7 +954,8 @@ fec_restart(struct net_device *ndev)
 	 * For i.MX6SX SOC, enet use AXI bus, we use disable MAC
 	 * instead of reset MAC itself.
 	 */
-	if (fep->quirks & FEC_QUIRK_HAS_AVB) {
+	if (fep->quirks & FEC_QUIRK_HAS_AVB ||
+	    ((fep->quirks & FEC_QUIRK_NO_HARD_RESET) && fep->link)) {
 		writel(0, fep->hwp + FEC_ECNTRL);
 	} else {
 		writel(1, fep->hwp + FEC_ECNTRL);
@@ -2165,9 +2167,9 @@ static int fec_enet_mii_init(struct platform_device *pdev)
 	fep->mii_bus->parent = &pdev->dev;
 
 	err = of_mdiobus_register(fep->mii_bus, node);
-	of_node_put(node);
 	if (err)
 		goto err_out_free_mdiobus;
+	of_node_put(node);
 
 	mii_cnt++;
 
@@ -2180,6 +2182,7 @@ static int fec_enet_mii_init(struct platform_device *pdev)
 err_out_free_mdiobus:
 	mdiobus_free(fep->mii_bus);
 err_out:
+	of_node_put(node);
 	return err;
 }
 

drivers/net/ethernet/ibm/ibmvnic.c

@@ -5084,6 +5084,12 @@ static void ibmvnic_tasklet(struct tasklet_struct *t)
 	while (!done) {
 		/* Pull all the valid messages off the CRQ */
 		while ((crq = ibmvnic_next_crq(adapter)) != NULL) {
+			/* This barrier makes sure ibmvnic_next_crq()'s
+			 * crq->generic.first & IBMVNIC_CRQ_CMD_RSP is loaded
+			 * before ibmvnic_handle_crq()'s
+			 * switch(gen_crq->first) and switch(gen_crq->cmd).
+			 */
+			dma_rmb();
 			ibmvnic_handle_crq(crq, adapter);
 			crq->generic.first = 0;
 		}

drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c

@@ -4046,20 +4046,16 @@ int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac)
 		goto error_param;
 
 	vf = &pf->vf[vf_id];
-	vsi = pf->vsi[vf->lan_vsi_idx];
 
 	/* When the VF is resetting wait until it is done.
 	 * It can take up to 200 milliseconds,
 	 * but wait for up to 300 milliseconds to be safe.
-	 * If the VF is indeed in reset, the vsi pointer has
+	 * Acquire the VSI pointer only after the VF has been
-	 * to show on the newly loaded vsi under pf->vsi[id].
+	 * properly initialized.
 	 */
 	for (i = 0; i < 15; i++) {
-		if (test_bit(I40E_VF_STATE_INIT, &vf->vf_states)) {
+		if (test_bit(I40E_VF_STATE_INIT, &vf->vf_states))
-			if (i > 0)
-				vsi = pf->vsi[vf->lan_vsi_idx];
 			break;
-		}
 		msleep(20);
 	}
 	if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states)) {
@@ -4068,6 +4064,7 @@ int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac)
 		ret = -EAGAIN;
 		goto error_param;
 	}
+	vsi = pf->vsi[vf->lan_vsi_idx];
 
 	if (is_multicast_ether_addr(mac)) {
 		dev_err(&pf->pdev->dev,

drivers/net/ethernet/intel/ice/ice.h

@@ -68,7 +68,9 @@
 #define ICE_INT_NAME_STR_LEN	(IFNAMSIZ + 16)
 #define ICE_AQ_LEN		64
 #define ICE_MBXSQ_LEN		64
-#define ICE_MIN_MSIX		2
+#define ICE_MIN_LAN_TXRX_MSIX	1
+#define ICE_MIN_LAN_OICR_MSIX	1
+#define ICE_MIN_MSIX		(ICE_MIN_LAN_TXRX_MSIX + ICE_MIN_LAN_OICR_MSIX)
 #define ICE_FDIR_MSIX		1
 #define ICE_NO_VSI		0xffff
 #define ICE_VSI_MAP_CONTIG	0

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

@@ -3258,8 +3258,8 @@ ice_set_rxfh(struct net_device *netdev, const u32 *indir, const u8 *key,
  */
 static int ice_get_max_txq(struct ice_pf *pf)
 {
-	return min_t(int, num_online_cpus(),
+	return min3(pf->num_lan_msix, (u16)num_online_cpus(),
-		     pf->hw.func_caps.common_cap.num_txq);
+		    (u16)pf->hw.func_caps.common_cap.num_txq);
 }
 
 /**
@@ -3268,8 +3268,8 @@ static int ice_get_max_txq(struct ice_pf *pf)
  */
 static int ice_get_max_rxq(struct ice_pf *pf)
 {
-	return min_t(int, num_online_cpus(),
+	return min3(pf->num_lan_msix, (u16)num_online_cpus(),
-		     pf->hw.func_caps.common_cap.num_rxq);
+		    (u16)pf->hw.func_caps.common_cap.num_rxq);
 }
 
 /**

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

@@ -1576,7 +1576,13 @@ ice_set_fdir_input_set(struct ice_vsi *vsi, struct ethtool_rx_flow_spec *fsp,
 		       sizeof(struct in6_addr));
 		input->ip.v6.l4_header = fsp->h_u.usr_ip6_spec.l4_4_bytes;
 		input->ip.v6.tc = fsp->h_u.usr_ip6_spec.tclass;
-		input->ip.v6.proto = fsp->h_u.usr_ip6_spec.l4_proto;
+
+		/* if no protocol requested, use IPPROTO_NONE */
+		if (!fsp->m_u.usr_ip6_spec.l4_proto)
+			input->ip.v6.proto = IPPROTO_NONE;
+		else
+			input->ip.v6.proto = fsp->h_u.usr_ip6_spec.l4_proto;
+
 		memcpy(input->mask.v6.dst_ip, fsp->m_u.usr_ip6_spec.ip6dst,
 		       sizeof(struct in6_addr));
 		memcpy(input->mask.v6.src_ip, fsp->m_u.usr_ip6_spec.ip6src,

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

@@ -161,8 +161,9 @@ static void ice_vsi_set_num_qs(struct ice_vsi *vsi, u16 vf_id)
 
 	switch (vsi->type) {
 	case ICE_VSI_PF:
-		vsi->alloc_txq = min_t(int, ice_get_avail_txq_count(pf),
+		vsi->alloc_txq = min3(pf->num_lan_msix,
-				       num_online_cpus());
+				      ice_get_avail_txq_count(pf),
+				      (u16)num_online_cpus());
 		if (vsi->req_txq) {
 			vsi->alloc_txq = vsi->req_txq;
 			vsi->num_txq = vsi->req_txq;
@@ -174,8 +175,9 @@ static void ice_vsi_set_num_qs(struct ice_vsi *vsi, u16 vf_id)
 		if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
 			vsi->alloc_rxq = 1;
 		} else {
-			vsi->alloc_rxq = min_t(int, ice_get_avail_rxq_count(pf),
+			vsi->alloc_rxq = min3(pf->num_lan_msix,
-					       num_online_cpus());
+					      ice_get_avail_rxq_count(pf),
+					      (u16)num_online_cpus());
 			if (vsi->req_rxq) {
 				vsi->alloc_rxq = vsi->req_rxq;
 				vsi->num_rxq = vsi->req_rxq;
@@ -184,7 +186,9 @@ static void ice_vsi_set_num_qs(struct ice_vsi *vsi, u16 vf_id)
 
 		pf->num_lan_rx = vsi->alloc_rxq;
 
-		vsi->num_q_vectors = max_t(int, vsi->alloc_rxq, vsi->alloc_txq);
+		vsi->num_q_vectors = min_t(int, pf->num_lan_msix,
+					   max_t(int, vsi->alloc_rxq,
+						 vsi->alloc_txq));
 		break;
 	case ICE_VSI_VF:
 		vf = &pf->vf[vsi->vf_id];

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

@@ -3430,18 +3430,14 @@ static int ice_ena_msix_range(struct ice_pf *pf)
 	if (v_actual < v_budget) {
 		dev_warn(dev, "not enough OS MSI-X vectors. requested = %d, obtained = %d\n",
 			 v_budget, v_actual);
-/* 2 vectors each for LAN and RDMA (traffic + OICR), one for flow director */
-#define ICE_MIN_LAN_VECS 2
-#define ICE_MIN_RDMA_VECS 2
-#define ICE_MIN_VECS (ICE_MIN_LAN_VECS + ICE_MIN_RDMA_VECS + 1)
 
-		if (v_actual < ICE_MIN_LAN_VECS) {
+		if (v_actual < ICE_MIN_MSIX) {
 			/* error if we can't get minimum vectors */
 			pci_disable_msix(pf->pdev);
 			err = -ERANGE;
 			goto msix_err;
 		} else {
-			pf->num_lan_msix = ICE_MIN_LAN_VECS;
+			pf->num_lan_msix = ICE_MIN_LAN_TXRX_MSIX;
 		}
 	}
 
@@ -4884,9 +4880,15 @@ static int ice_set_mac_address(struct net_device *netdev, void *pi)
 		goto err_update_filters;
 	}
 
-	/* Add filter for new MAC. If filter exists, just return success */
+	/* Add filter for new MAC. If filter exists, return success */
 	status = ice_fltr_add_mac(vsi, mac, ICE_FWD_TO_VSI);
 	if (status == ICE_ERR_ALREADY_EXISTS) {
+		/* Although this MAC filter is already present in hardware it's
+		 * possible in some cases (e.g. bonding) that dev_addr was
+		 * modified outside of the driver and needs to be restored back
+		 * to this value.
+		 */
+		memcpy(netdev->dev_addr, mac, netdev->addr_len);
 		netdev_dbg(netdev, "filter for MAC %pM already exists\n", mac);
 		return 0;
 	}

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

@@ -1923,12 +1923,15 @@ int ice_tx_csum(struct ice_tx_buf *first, struct ice_tx_offload_params *off)
 				  ICE_TX_CTX_EIPT_IPV4_NO_CSUM;
 			l4_proto = ip.v4->protocol;
 		} else if (first->tx_flags & ICE_TX_FLAGS_IPV6) {
+			int ret;
+
 			tunnel |= ICE_TX_CTX_EIPT_IPV6;
 			exthdr = ip.hdr + sizeof(*ip.v6);
 			l4_proto = ip.v6->nexthdr;
-			if (l4.hdr != exthdr)
+			ret = ipv6_skip_exthdr(skb, exthdr - skb->data,
-				ipv6_skip_exthdr(skb, exthdr - skb->data,
+					       &l4_proto, &frag_off);
-						 &l4_proto, &frag_off);
+			if (ret < 0)
+				return -1;
 		}
 
 		/* define outer transport */

drivers/net/ethernet/intel/igc/igc_ethtool.c

@@ -1675,12 +1675,18 @@ static int igc_ethtool_get_link_ksettings(struct net_device *netdev,
 	cmd->base.phy_address = hw->phy.addr;
 
 	/* advertising link modes */
-	ethtool_link_ksettings_add_link_mode(cmd, advertising, 10baseT_Half);
+	if (hw->phy.autoneg_advertised & ADVERTISE_10_HALF)
-	ethtool_link_ksettings_add_link_mode(cmd, advertising, 10baseT_Full);
+		ethtool_link_ksettings_add_link_mode(cmd, advertising, 10baseT_Half);
-	ethtool_link_ksettings_add_link_mode(cmd, advertising, 100baseT_Half);
+	if (hw->phy.autoneg_advertised & ADVERTISE_10_FULL)
-	ethtool_link_ksettings_add_link_mode(cmd, advertising, 100baseT_Full);
+		ethtool_link_ksettings_add_link_mode(cmd, advertising, 10baseT_Full);
-	ethtool_link_ksettings_add_link_mode(cmd, advertising, 1000baseT_Full);
+	if (hw->phy.autoneg_advertised & ADVERTISE_100_HALF)
-	ethtool_link_ksettings_add_link_mode(cmd, advertising, 2500baseT_Full);
+		ethtool_link_ksettings_add_link_mode(cmd, advertising, 100baseT_Half);
+	if (hw->phy.autoneg_advertised & ADVERTISE_100_FULL)
+		ethtool_link_ksettings_add_link_mode(cmd, advertising, 100baseT_Full);
+	if (hw->phy.autoneg_advertised & ADVERTISE_1000_FULL)
+		ethtool_link_ksettings_add_link_mode(cmd, advertising, 1000baseT_Full);
+	if (hw->phy.autoneg_advertised & ADVERTISE_2500_FULL)
+		ethtool_link_ksettings_add_link_mode(cmd, advertising, 2500baseT_Full);
 
 	/* set autoneg settings */
 	if (hw->mac.autoneg == 1) {
@@ -1792,6 +1798,12 @@ igc_ethtool_set_link_ksettings(struct net_device *netdev,
 
 	ethtool_convert_link_mode_to_legacy_u32(&advertising,
 						cmd->link_modes.advertising);
+	/* Converting to legacy u32 drops ETHTOOL_LINK_MODE_2500baseT_Full_BIT.
+	 * We have to check this and convert it to ADVERTISE_2500_FULL
+	 * (aka ETHTOOL_LINK_MODE_2500baseX_Full_BIT) explicitly.
+	 */
+	if (ethtool_link_ksettings_test_link_mode(cmd, advertising, 2500baseT_Full))
+		advertising |= ADVERTISE_2500_FULL;
 
 	if (cmd->base.autoneg == AUTONEG_ENABLE) {
 		hw->mac.autoneg = 1;

drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c

@@ -478,10 +478,11 @@ dma_addr_t __otx2_alloc_rbuf(struct otx2_nic *pfvf, struct otx2_pool *pool)
 	dma_addr_t iova;
 	u8 *buf;
 
-	buf = napi_alloc_frag(pool->rbsize);
+	buf = napi_alloc_frag(pool->rbsize + OTX2_ALIGN);
 	if (unlikely(!buf))
 		return -ENOMEM;
 
+	buf = PTR_ALIGN(buf, OTX2_ALIGN);
 	iova = dma_map_single_attrs(pfvf->dev, buf, pool->rbsize,
 				    DMA_FROM_DEVICE, DMA_ATTR_SKIP_CPU_SYNC);
 	if (unlikely(dma_mapping_error(pfvf->dev, iova))) {

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

@@ -273,7 +273,7 @@ int mlx5e_health_rsc_fmsg_dump(struct mlx5e_priv *priv, struct mlx5_rsc_key *key
 
 	err = devlink_fmsg_binary_pair_nest_start(fmsg, "data");
 	if (err)
-		return err;
+		goto free_page;
 
 	cmd = mlx5_rsc_dump_cmd_create(mdev, key);
 	if (IS_ERR(cmd)) {

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

@@ -167,6 +167,12 @@ static const struct rhashtable_params tuples_nat_ht_params = {
 	.min_size = 16 * 1024,
 };
 
+static bool
+mlx5_tc_ct_entry_has_nat(struct mlx5_ct_entry *entry)
+{
+	return !!(entry->tuple_nat_node.next);
+}
+
 static int
 mlx5_tc_ct_rule_to_tuple(struct mlx5_ct_tuple *tuple, struct flow_rule *rule)
 {
@@ -911,13 +917,13 @@ mlx5_tc_ct_block_flow_offload_add(struct mlx5_ct_ft *ft,
 err_insert:
 	mlx5_tc_ct_entry_del_rules(ct_priv, entry);
 err_rules:
-	rhashtable_remove_fast(&ct_priv->ct_tuples_nat_ht,
+	if (mlx5_tc_ct_entry_has_nat(entry))
-			       &entry->tuple_nat_node, tuples_nat_ht_params);
+		rhashtable_remove_fast(&ct_priv->ct_tuples_nat_ht,
+				       &entry->tuple_nat_node, tuples_nat_ht_params);
 err_tuple_nat:
-	if (entry->tuple_node.next)
+	rhashtable_remove_fast(&ct_priv->ct_tuples_ht,
-		rhashtable_remove_fast(&ct_priv->ct_tuples_ht,
+			       &entry->tuple_node,
-				       &entry->tuple_node,
+			       tuples_ht_params);
-				       tuples_ht_params);
 err_tuple:
 err_set:
 	kfree(entry);
@@ -932,7 +938,7 @@ mlx5_tc_ct_del_ft_entry(struct mlx5_tc_ct_priv *ct_priv,
 {
 	mlx5_tc_ct_entry_del_rules(ct_priv, entry);
 	mutex_lock(&ct_priv->shared_counter_lock);
-	if (entry->tuple_node.next)
+	if (mlx5_tc_ct_entry_has_nat(entry))
 		rhashtable_remove_fast(&ct_priv->ct_tuples_nat_ht,
 				       &entry->tuple_nat_node,
 				       tuples_nat_ht_params);

drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_stats.c

@@ -76,7 +76,7 @@ static const struct counter_desc mlx5e_ipsec_sw_stats_desc[] = {
 
 static MLX5E_DECLARE_STATS_GRP_OP_NUM_STATS(ipsec_sw)
 {
-	return NUM_IPSEC_SW_COUNTERS;
+	return priv->ipsec ? NUM_IPSEC_SW_COUNTERS : 0;
 }
 
 static inline MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(ipsec_sw) {}
@@ -105,7 +105,7 @@ static MLX5E_DECLARE_STATS_GRP_OP_FILL_STATS(ipsec_sw)
 
 static MLX5E_DECLARE_STATS_GRP_OP_NUM_STATS(ipsec_hw)
 {
-	return (mlx5_fpga_ipsec_device_caps(priv->mdev)) ? NUM_IPSEC_HW_COUNTERS : 0;
+	return (priv->ipsec && mlx5_fpga_ipsec_device_caps(priv->mdev)) ? NUM_IPSEC_HW_COUNTERS : 0;
 }
 
 static MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(ipsec_hw)

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

@@ -1151,6 +1151,7 @@ static int mlx5e_set_trust_state(struct mlx5e_priv *priv, u8 trust_state)
 {
 	struct mlx5e_channels new_channels = {};
 	bool reset_channels = true;
+	bool opened;
 	int err = 0;
 
 	mutex_lock(&priv->state_lock);
@@ -1159,22 +1160,24 @@ static int mlx5e_set_trust_state(struct mlx5e_priv *priv, u8 trust_state)
 	mlx5e_params_calc_trust_tx_min_inline_mode(priv->mdev, &new_channels.params,
 						   trust_state);
 
-	if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
+	opened = test_bit(MLX5E_STATE_OPENED, &priv->state);
-		priv->channels.params = new_channels.params;
+	if (!opened)
 		reset_channels = false;
-	}
 
 	/* Skip if tx_min_inline is the same */
 	if (new_channels.params.tx_min_inline_mode ==
 	    priv->channels.params.tx_min_inline_mode)
 		reset_channels = false;
 
-	if (reset_channels)
+	if (reset_channels) {
 		err = mlx5e_safe_switch_channels(priv, &new_channels,
 						 mlx5e_update_trust_state_hw,
 						 &trust_state);
-	else
+	} else {
 		err = mlx5e_update_trust_state_hw(priv, &trust_state);
+		if (!err && !opened)
+			priv->channels.params = new_channels.params;
+	}
 
 	mutex_unlock(&priv->state_lock);
 

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

@@ -447,12 +447,18 @@ int mlx5e_ethtool_set_channels(struct mlx5e_priv *priv,
 		goto out;
 	}
 
-	new_channels.params = priv->channels.params;
+	new_channels.params = *cur_params;
 	new_channels.params.num_channels = count;
 
 	if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
+		struct mlx5e_params old_params;
+
+		old_params = *cur_params;
 		*cur_params = new_channels.params;
 		err = mlx5e_num_channels_changed(priv);
+		if (err)
+			*cur_params = old_params;
+
 		goto out;
 	}
 

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

@@ -3614,7 +3614,14 @@ static int mlx5e_setup_tc_mqprio(struct mlx5e_priv *priv,
 	new_channels.params.num_tc = tc ? tc : 1;
 
 	if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
+		struct mlx5e_params old_params;
+
+		old_params = priv->channels.params;
 		priv->channels.params = new_channels.params;
+		err = mlx5e_num_channels_changed(priv);
+		if (err)
+			priv->channels.params = old_params;
+
 		goto out;
 	}
 
@@ -3757,7 +3764,7 @@ static int set_feature_lro(struct net_device *netdev, bool enable)
 	struct mlx5e_priv *priv = netdev_priv(netdev);
 	struct mlx5_core_dev *mdev = priv->mdev;
 	struct mlx5e_channels new_channels = {};
-	struct mlx5e_params *old_params;
+	struct mlx5e_params *cur_params;
 	int err = 0;
 	bool reset;
 
@@ -3770,8 +3777,8 @@ static int set_feature_lro(struct net_device *netdev, bool enable)
 		goto out;
 	}
 
-	old_params = &priv->channels.params;
+	cur_params = &priv->channels.params;
-	if (enable && !MLX5E_GET_PFLAG(old_params, MLX5E_PFLAG_RX_STRIDING_RQ)) {
+	if (enable && !MLX5E_GET_PFLAG(cur_params, MLX5E_PFLAG_RX_STRIDING_RQ)) {
 		netdev_warn(netdev, "can't set LRO with legacy RQ\n");
 		err = -EINVAL;
 		goto out;
@@ -3779,18 +3786,23 @@ static int set_feature_lro(struct net_device *netdev, bool enable)
 
 	reset = test_bit(MLX5E_STATE_OPENED, &priv->state);
 
-	new_channels.params = *old_params;
+	new_channels.params = *cur_params;
 	new_channels.params.lro_en = enable;
 
-	if (old_params->rq_wq_type != MLX5_WQ_TYPE_CYCLIC) {
+	if (cur_params->rq_wq_type != MLX5_WQ_TYPE_CYCLIC) {
-		if (mlx5e_rx_mpwqe_is_linear_skb(mdev, old_params, NULL) ==
+		if (mlx5e_rx_mpwqe_is_linear_skb(mdev, cur_params, NULL) ==
 		    mlx5e_rx_mpwqe_is_linear_skb(mdev, &new_channels.params, NULL))
 			reset = false;
 	}
 
 	if (!reset) {
-		*old_params = new_channels.params;
+		struct mlx5e_params old_params;
+
+		old_params = *cur_params;
+		*cur_params = new_channels.params;
 		err = mlx5e_modify_tirs_lro(priv);
+		if (err)
+			*cur_params = old_params;
 		goto out;
 	}
 
@@ -4067,9 +4079,16 @@ int mlx5e_change_mtu(struct net_device *netdev, int new_mtu,
 	}
 
 	if (!reset) {
+		unsigned int old_mtu = params->sw_mtu;
+
 		params->sw_mtu = new_mtu;
-		if (preactivate)
+		if (preactivate) {
-			preactivate(priv, NULL);
+			err = preactivate(priv, NULL);
+			if (err) {
+				params->sw_mtu = old_mtu;
+				goto out;
+			}
+		}
 		netdev->mtu = params->sw_mtu;
 		goto out;
 	}
@@ -5027,7 +5046,7 @@ static void mlx5e_build_nic_netdev(struct net_device *netdev)
 	    FT_CAP(modify_root) &&
 	    FT_CAP(identified_miss_table_mode) &&
 	    FT_CAP(flow_table_modify)) {
-#ifdef CONFIG_MLX5_ESWITCH
+#if IS_ENABLED(CONFIG_MLX5_CLS_ACT)
 		netdev->hw_features      |= NETIF_F_HW_TC;
 #endif
 #ifdef CONFIG_MLX5_EN_ARFS

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

@@ -737,7 +737,9 @@ static void mlx5e_build_rep_netdev(struct net_device *netdev)
 
 	netdev->features       |= NETIF_F_NETNS_LOCAL;
 
+#if IS_ENABLED(CONFIG_MLX5_CLS_ACT)
 	netdev->hw_features    |= NETIF_F_HW_TC;
+#endif
 	netdev->hw_features    |= NETIF_F_SG;
 	netdev->hw_features    |= NETIF_F_IP_CSUM;
 	netdev->hw_features    |= NETIF_F_IPV6_CSUM;

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

@@ -67,6 +67,7 @@
 #include "lib/geneve.h"
 #include "lib/fs_chains.h"
 #include "diag/en_tc_tracepoint.h"
+#include <asm/div64.h>
 
 #define nic_chains(priv) ((priv)->fs.tc.chains)
 #define MLX5_MH_ACT_SZ MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto)
@@ -1162,6 +1163,9 @@ mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw,
 	struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts;
 	struct mlx5_flow_handle *rule;
 
+	if (attr->flags & MLX5_ESW_ATTR_FLAG_SLOW_PATH)
+		return mlx5_eswitch_add_offloaded_rule(esw, spec, attr);
+
 	if (flow_flag_test(flow, CT)) {
 		mod_hdr_acts = &attr->parse_attr->mod_hdr_acts;
 
@@ -1192,6 +1196,9 @@ mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw,
 {
 	flow_flag_clear(flow, OFFLOADED);
 
+	if (attr->flags & MLX5_ESW_ATTR_FLAG_SLOW_PATH)
+		goto offload_rule_0;
+
 	if (flow_flag_test(flow, CT)) {
 		mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), flow, attr);
 		return;
@@ -1200,6 +1207,7 @@ mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw,
 	if (attr->esw_attr->split_count)
 		mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr);
 
+offload_rule_0:
 	mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr);
 }
 
@@ -2269,8 +2277,8 @@ static int __parse_cls_flower(struct mlx5e_priv *priv,
 	      BIT(FLOW_DISSECTOR_KEY_ENC_OPTS) |
 	      BIT(FLOW_DISSECTOR_KEY_MPLS))) {
 		NL_SET_ERR_MSG_MOD(extack, "Unsupported key");
-		netdev_warn(priv->netdev, "Unsupported key used: 0x%x\n",
+		netdev_dbg(priv->netdev, "Unsupported key used: 0x%x\n",
-			    dissector->used_keys);
+			   dissector->used_keys);
 		return -EOPNOTSUPP;
 	}
 
@@ -5007,13 +5015,13 @@ errout:
 	return err;
 }
 
-static int apply_police_params(struct mlx5e_priv *priv, u32 rate,
+static int apply_police_params(struct mlx5e_priv *priv, u64 rate,
 			       struct netlink_ext_ack *extack)
 {
 	struct mlx5e_rep_priv *rpriv = priv->ppriv;
 	struct mlx5_eswitch *esw;
+	u32 rate_mbps = 0;
 	u16 vport_num;
-	u32 rate_mbps;
 	int err;
 
 	vport_num = rpriv->rep->vport;
@@ -5030,7 +5038,11 @@ static int apply_police_params(struct mlx5e_priv *priv, u32 rate,
 	 * Moreover, if rate is non zero we choose to configure to a minimum of
 	 * 1 mbit/sec.
 	 */
-	rate_mbps = rate ? max_t(u32, (rate * 8 + 500000) / 1000000, 1) : 0;
+	if (rate) {
+		rate = (rate * BITS_PER_BYTE) + 500000;
+		rate_mbps = max_t(u32, do_div(rate, 1000000), 1);
+	}
+
 	err = mlx5_esw_modify_vport_rate(esw, vport_num, rate_mbps);
 	if (err)
 		NL_SET_ERR_MSG_MOD(extack, "failed applying action to hardware");

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

@@ -1141,6 +1141,7 @@ static struct mlx5_flow_table *__mlx5_create_flow_table(struct mlx5_flow_namespa
 destroy_ft:
 	root->cmds->destroy_flow_table(root, ft);
 free_ft:
+	rhltable_destroy(&ft->fgs_hash);
 	kfree(ft);
 unlock_root:
 	mutex_unlock(&root->chain_lock);

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

@@ -58,7 +58,7 @@ struct fw_page {
 	struct rb_node		rb_node;
 	u64			addr;
 	struct page	       *page;
-	u16			func_id;
+	u32			function;
 	unsigned long		bitmask;
 	struct list_head	list;
 	unsigned		free_count;
@@ -74,12 +74,17 @@ enum {
 	MLX5_NUM_4K_IN_PAGE		= PAGE_SIZE / MLX5_ADAPTER_PAGE_SIZE,
 };
 
-static struct rb_root *page_root_per_func_id(struct mlx5_core_dev *dev, u16 func_id)
+static u32 get_function(u16 func_id, bool ec_function)
+{
+	return func_id & (ec_function << 16);
+}
+
+static struct rb_root *page_root_per_function(struct mlx5_core_dev *dev, u32 function)
 {
 	struct rb_root *root;
 	int err;
 
-	root = xa_load(&dev->priv.page_root_xa, func_id);
+	root = xa_load(&dev->priv.page_root_xa, function);
 	if (root)
 		return root;
 
@@ -87,7 +92,7 @@ static struct rb_root *page_root_per_func_id(struct mlx5_core_dev *dev, u16 func
 	if (!root)
 		return ERR_PTR(-ENOMEM);
 
-	err = xa_insert(&dev->priv.page_root_xa, func_id, root, GFP_KERNEL);
+	err = xa_insert(&dev->priv.page_root_xa, function, root, GFP_KERNEL);
 	if (err) {
 		kfree(root);
 		return ERR_PTR(err);
@@ -98,7 +103,7 @@ static struct rb_root *page_root_per_func_id(struct mlx5_core_dev *dev, u16 func
 	return root;
 }
 
-static int insert_page(struct mlx5_core_dev *dev, u64 addr, struct page *page, u16 func_id)
+static int insert_page(struct mlx5_core_dev *dev, u64 addr, struct page *page, u32 function)
 {
 	struct rb_node *parent = NULL;
 	struct rb_root *root;
@@ -107,7 +112,7 @@ static int insert_page(struct mlx5_core_dev *dev, u64 addr, struct page *page, u
 	struct fw_page *tfp;
 	int i;
 
-	root = page_root_per_func_id(dev, func_id);
+	root = page_root_per_function(dev, function);
 	if (IS_ERR(root))
 		return PTR_ERR(root);
 
@@ -130,7 +135,7 @@ static int insert_page(struct mlx5_core_dev *dev, u64 addr, struct page *page, u
 
 	nfp->addr = addr;
 	nfp->page = page;
-	nfp->func_id = func_id;
+	nfp->function = function;
 	nfp->free_count = MLX5_NUM_4K_IN_PAGE;
 	for (i = 0; i < MLX5_NUM_4K_IN_PAGE; i++)
 		set_bit(i, &nfp->bitmask);
@@ -143,14 +148,14 @@ static int insert_page(struct mlx5_core_dev *dev, u64 addr, struct page *page, u
 }
 
 static struct fw_page *find_fw_page(struct mlx5_core_dev *dev, u64 addr,
-				    u32 func_id)
+				    u32 function)
 {
 	struct fw_page *result = NULL;
 	struct rb_root *root;
 	struct rb_node *tmp;
 	struct fw_page *tfp;
 
-	root = xa_load(&dev->priv.page_root_xa, func_id);
+	root = xa_load(&dev->priv.page_root_xa, function);
 	if (WARN_ON_ONCE(!root))
 		return NULL;
 
@@ -194,14 +199,14 @@ static int mlx5_cmd_query_pages(struct mlx5_core_dev *dev, u16 *func_id,
 	return err;
 }
 
-static int alloc_4k(struct mlx5_core_dev *dev, u64 *addr, u16 func_id)
+static int alloc_4k(struct mlx5_core_dev *dev, u64 *addr, u32 function)
 {
 	struct fw_page *fp = NULL;
 	struct fw_page *iter;
 	unsigned n;
 
 	list_for_each_entry(iter, &dev->priv.free_list, list) {
-		if (iter->func_id != func_id)
+		if (iter->function != function)
 			continue;
 		fp = iter;
 	}
@@ -231,7 +236,7 @@ static void free_fwp(struct mlx5_core_dev *dev, struct fw_page *fwp,
 {
 	struct rb_root *root;
 
-	root = xa_load(&dev->priv.page_root_xa, fwp->func_id);
+	root = xa_load(&dev->priv.page_root_xa, fwp->function);
 	if (WARN_ON_ONCE(!root))
 		return;
 
@@ -244,12 +249,12 @@ static void free_fwp(struct mlx5_core_dev *dev, struct fw_page *fwp,
 	kfree(fwp);
 }
 
-static void free_4k(struct mlx5_core_dev *dev, u64 addr, u32 func_id)
+static void free_4k(struct mlx5_core_dev *dev, u64 addr, u32 function)
 {
 	struct fw_page *fwp;
 	int n;
 
-	fwp = find_fw_page(dev, addr & MLX5_U64_4K_PAGE_MASK, func_id);
+	fwp = find_fw_page(dev, addr & MLX5_U64_4K_PAGE_MASK, function);
 	if (!fwp) {
 		mlx5_core_warn_rl(dev, "page not found\n");
 		return;
@@ -263,7 +268,7 @@ static void free_4k(struct mlx5_core_dev *dev, u64 addr, u32 func_id)
 		list_add(&fwp->list, &dev->priv.free_list);
 }
 
-static int alloc_system_page(struct mlx5_core_dev *dev, u16 func_id)
+static int alloc_system_page(struct mlx5_core_dev *dev, u32 function)
 {
 	struct device *device = mlx5_core_dma_dev(dev);
 	int nid = dev_to_node(device);
@@ -291,7 +296,7 @@ map:
 		goto map;
 	}
 
-	err = insert_page(dev, addr, page, func_id);
+	err = insert_page(dev, addr, page, function);
 	if (err) {
 		mlx5_core_err(dev, "failed to track allocated page\n");
 		dma_unmap_page(device, addr, PAGE_SIZE, DMA_BIDIRECTIONAL);
@@ -328,6 +333,7 @@ static void page_notify_fail(struct mlx5_core_dev *dev, u16 func_id,
 static int give_pages(struct mlx5_core_dev *dev, u16 func_id, int npages,
 		      int notify_fail, bool ec_function)
 {
+	u32 function = get_function(func_id, ec_function);
 	u32 out[MLX5_ST_SZ_DW(manage_pages_out)] = {0};
 	int inlen = MLX5_ST_SZ_BYTES(manage_pages_in);
 	u64 addr;
@@ -345,10 +351,10 @@ static int give_pages(struct mlx5_core_dev *dev, u16 func_id, int npages,
 
 	for (i = 0; i < npages; i++) {
 retry:
-		err = alloc_4k(dev, &addr, func_id);
+		err = alloc_4k(dev, &addr, function);
 		if (err) {
 			if (err == -ENOMEM)
-				err = alloc_system_page(dev, func_id);
+				err = alloc_system_page(dev, function);
 			if (err)
 				goto out_4k;
 
@@ -384,7 +390,7 @@ retry:
 
 out_4k:
 	for (i--; i >= 0; i--)
-		free_4k(dev, MLX5_GET64(manage_pages_in, in, pas[i]), func_id);
+		free_4k(dev, MLX5_GET64(manage_pages_in, in, pas[i]), function);
 out_free:
 	kvfree(in);
 	if (notify_fail)
@@ -392,14 +398,15 @@ out_free:
 	return err;
 }
 
-static void release_all_pages(struct mlx5_core_dev *dev, u32 func_id,
+static void release_all_pages(struct mlx5_core_dev *dev, u16 func_id,
 			      bool ec_function)
 {
+	u32 function = get_function(func_id, ec_function);
 	struct rb_root *root;
 	struct rb_node *p;
 	int npages = 0;
 
-	root = xa_load(&dev->priv.page_root_xa, func_id);
+	root = xa_load(&dev->priv.page_root_xa, function);
 	if (WARN_ON_ONCE(!root))
 		return;
 
@@ -446,6 +453,7 @@ static int reclaim_pages_cmd(struct mlx5_core_dev *dev,
 	struct rb_root *root;
 	struct fw_page *fwp;
 	struct rb_node *p;
+	bool ec_function;
 	u32 func_id;
 	u32 npages;
 	u32 i = 0;
@@ -456,8 +464,9 @@ static int reclaim_pages_cmd(struct mlx5_core_dev *dev,
 	/* No hard feelings, we want our pages back! */
 	npages = MLX5_GET(manage_pages_in, in, input_num_entries);
 	func_id = MLX5_GET(manage_pages_in, in, function_id);
+	ec_function = MLX5_GET(manage_pages_in, in, embedded_cpu_function);
 
-	root = xa_load(&dev->priv.page_root_xa, func_id);
+	root = xa_load(&dev->priv.page_root_xa, get_function(func_id, ec_function));
 	if (WARN_ON_ONCE(!root))
 		return -EEXIST;
 
@@ -473,9 +482,10 @@ static int reclaim_pages_cmd(struct mlx5_core_dev *dev,
 	return 0;
 }
 
-static int reclaim_pages(struct mlx5_core_dev *dev, u32 func_id, int npages,
+static int reclaim_pages(struct mlx5_core_dev *dev, u16 func_id, int npages,
 			 int *nclaimed, bool ec_function)
 {
+	u32 function = get_function(func_id, ec_function);
 	int outlen = MLX5_ST_SZ_BYTES(manage_pages_out);
 	u32 in[MLX5_ST_SZ_DW(manage_pages_in)] = {};
 	int num_claimed;
@@ -514,7 +524,7 @@ static int reclaim_pages(struct mlx5_core_dev *dev, u32 func_id, int npages,
 	}
 
 	for (i = 0; i < num_claimed; i++)
-		free_4k(dev, MLX5_GET64(manage_pages_out, out, pas[i]), func_id);
+		free_4k(dev, MLX5_GET64(manage_pages_out, out, pas[i]), function);
 
 	if (nclaimed)
 		*nclaimed = num_claimed;

drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c

@@ -157,6 +157,7 @@ mlxsw_sp1_span_entry_cpu_deconfigure(struct mlxsw_sp_span_entry *span_entry)
 
 static const
 struct mlxsw_sp_span_entry_ops mlxsw_sp1_span_entry_ops_cpu = {
+	.is_static = true,
 	.can_handle = mlxsw_sp1_span_cpu_can_handle,
 	.parms_set = mlxsw_sp1_span_entry_cpu_parms,
 	.configure = mlxsw_sp1_span_entry_cpu_configure,
@@ -214,6 +215,7 @@ mlxsw_sp_span_entry_phys_deconfigure(struct mlxsw_sp_span_entry *span_entry)
 
 static const
 struct mlxsw_sp_span_entry_ops mlxsw_sp_span_entry_ops_phys = {
+	.is_static = true,
 	.can_handle = mlxsw_sp_port_dev_check,
 	.parms_set = mlxsw_sp_span_entry_phys_parms,
 	.configure = mlxsw_sp_span_entry_phys_configure,
@@ -721,6 +723,7 @@ mlxsw_sp2_span_entry_cpu_deconfigure(struct mlxsw_sp_span_entry *span_entry)
 
 static const
 struct mlxsw_sp_span_entry_ops mlxsw_sp2_span_entry_ops_cpu = {
+	.is_static = true,
 	.can_handle = mlxsw_sp2_span_cpu_can_handle,
 	.parms_set = mlxsw_sp2_span_entry_cpu_parms,
 	.configure = mlxsw_sp2_span_entry_cpu_configure,
@@ -1036,6 +1039,9 @@ static void mlxsw_sp_span_respin_work(struct work_struct *work)
 		if (!refcount_read(&curr->ref_count))
 			continue;
 
+		if (curr->ops->is_static)
+			continue;
+
 		err = curr->ops->parms_set(mlxsw_sp, curr->to_dev, &sparms);
 		if (err)
 			continue;

drivers/net/ethernet/mellanox/mlxsw/spectrum_span.h

@@ -60,6 +60,7 @@ struct mlxsw_sp_span_entry {
 };
 
 struct mlxsw_sp_span_entry_ops {
+	bool is_static;
 	bool (*can_handle)(const struct net_device *to_dev);
 	int (*parms_set)(struct mlxsw_sp *mlxsw_sp,
 			 const struct net_device *to_dev,

drivers/net/ethernet/stmicro/stmmac/dwmac-intel-plat.c

@@ -129,7 +129,7 @@ static int intel_eth_plat_probe(struct platform_device *pdev)
 				if (ret) {
 					dev_err(&pdev->dev,
 						"Failed to set tx_clk\n");
-					return ret;
+					goto err_remove_config_dt;
 				}
 			}
 		}
@@ -143,7 +143,7 @@ static int intel_eth_plat_probe(struct platform_device *pdev)
 			if (ret) {
 				dev_err(&pdev->dev,
 					"Failed to set clk_ptp_ref\n");
-				return ret;
+				goto err_remove_config_dt;
 			}
 		}
 	}

drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c

@@ -375,6 +375,7 @@ static int ehl_pse0_common_data(struct pci_dev *pdev,
 				struct plat_stmmacenet_data *plat)
 {
 	plat->bus_id = 2;
+	plat->addr64 = 32;
 	return ehl_common_data(pdev, plat);
 }
 
@@ -406,6 +407,7 @@ static int ehl_pse1_common_data(struct pci_dev *pdev,
 				struct plat_stmmacenet_data *plat)
 {
 	plat->bus_id = 3;
+	plat->addr64 = 32;
 	return ehl_common_data(pdev, plat);
 }
 

drivers/net/team/team.c

@@ -992,7 +992,8 @@ static void __team_compute_features(struct team *team)
 	unsigned int dst_release_flag = IFF_XMIT_DST_RELEASE |
 					IFF_XMIT_DST_RELEASE_PERM;
 
-	list_for_each_entry(port, &team->port_list, list) {
+	rcu_read_lock();
+	list_for_each_entry_rcu(port, &team->port_list, list) {
 		vlan_features = netdev_increment_features(vlan_features,
 					port->dev->vlan_features,
 					TEAM_VLAN_FEATURES);
@@ -1006,6 +1007,7 @@ static void __team_compute_features(struct team *team)
 		if (port->dev->hard_header_len > max_hard_header_len)
 			max_hard_header_len = port->dev->hard_header_len;
 	}
+	rcu_read_unlock();
 
 	team->dev->vlan_features = vlan_features;
 	team->dev->hw_enc_features = enc_features | NETIF_F_GSO_ENCAP_ALL |
@@ -1020,9 +1022,7 @@ static void __team_compute_features(struct team *team)
 
 static void team_compute_features(struct team *team)
 {
-	mutex_lock(&team->lock);
 	__team_compute_features(team);
-	mutex_unlock(&team->lock);
 	netdev_change_features(team->dev);
 }
 

drivers/net/usb/cdc_ether.c

@@ -968,6 +968,12 @@ static const struct usb_device_id	products[] = {
 				      USB_CDC_SUBCLASS_ETHERNET,
 				      USB_CDC_PROTO_NONE),
 	.driver_info = (unsigned long)&wwan_info,
+}, {
+	/* Cinterion PLS83/PLS63 modem by GEMALTO/THALES */
+	USB_DEVICE_AND_INTERFACE_INFO(0x1e2d, 0x0069, USB_CLASS_COMM,
+				      USB_CDC_SUBCLASS_ETHERNET,
+				      USB_CDC_PROTO_NONE),
+	.driver_info = (unsigned long)&wwan_info,
 }, {
 	USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ETHERNET,
 			USB_CDC_PROTO_NONE),

drivers/net/usb/qmi_wwan.c

@@ -1302,6 +1302,7 @@ static const struct usb_device_id products[] = {
 	{QMI_FIXED_INTF(0x0b3c, 0xc00a, 6)},	/* Olivetti Olicard 160 */
 	{QMI_FIXED_INTF(0x0b3c, 0xc00b, 4)},	/* Olivetti Olicard 500 */
 	{QMI_FIXED_INTF(0x1e2d, 0x0060, 4)},	/* Cinterion PLxx */
+	{QMI_QUIRK_SET_DTR(0x1e2d, 0x006f, 8)}, /* Cinterion PLS83/PLS63 */
 	{QMI_FIXED_INTF(0x1e2d, 0x0053, 4)},	/* Cinterion PHxx,PXxx */
 	{QMI_FIXED_INTF(0x1e2d, 0x0063, 10)},	/* Cinterion ALASxx (1 RmNet) */
 	{QMI_FIXED_INTF(0x1e2d, 0x0082, 4)},	/* Cinterion PHxx,PXxx (2 RmNet) */

drivers/net/wireless/intel/iwlwifi/cfg/22000.c

@@ -314,6 +314,7 @@ const struct iwl_cfg_trans_params iwl_ma_trans_cfg = {
 const char iwl_ax101_name[] = "Intel(R) Wi-Fi 6 AX101";
 const char iwl_ax200_name[] = "Intel(R) Wi-Fi 6 AX200 160MHz";
 const char iwl_ax201_name[] = "Intel(R) Wi-Fi 6 AX201 160MHz";
+const char iwl_ax203_name[] = "Intel(R) Wi-Fi 6 AX203";
 const char iwl_ax211_name[] = "Intel(R) Wi-Fi 6 AX211 160MHz";
 const char iwl_ax411_name[] = "Intel(R) Wi-Fi 6 AX411 160MHz";
 const char iwl_ma_name[] = "Intel(R) Wi-Fi 6";
@@ -340,6 +341,18 @@ const struct iwl_cfg iwl_qu_b0_hr1_b0 = {
 	.num_rbds = IWL_NUM_RBDS_22000_HE,
 };
 
+const struct iwl_cfg iwl_qu_b0_hr_b0 = {
+	.fw_name_pre = IWL_QU_B_HR_B_FW_PRE,
+	IWL_DEVICE_22500,
+	/*
+	 * This device doesn't support receiving BlockAck with a large bitmap
+	 * so we need to restrict the size of transmitted aggregation to the
+	 * HT size; mac80211 would otherwise pick the HE max (256) by default.
+	 */
+	.max_tx_agg_size = IEEE80211_MAX_AMPDU_BUF_HT,
+	.num_rbds = IWL_NUM_RBDS_22000_HE,
+};
+
 const struct iwl_cfg iwl_ax201_cfg_qu_hr = {
 	.name = "Intel(R) Wi-Fi 6 AX201 160MHz",
 	.fw_name_pre = IWL_QU_B_HR_B_FW_PRE,
@@ -366,6 +379,18 @@ const struct iwl_cfg iwl_qu_c0_hr1_b0 = {
 	.num_rbds = IWL_NUM_RBDS_22000_HE,
 };
 
+const struct iwl_cfg iwl_qu_c0_hr_b0 = {
+	.fw_name_pre = IWL_QU_C_HR_B_FW_PRE,
+	IWL_DEVICE_22500,
+	/*
+	 * This device doesn't support receiving BlockAck with a large bitmap
+	 * so we need to restrict the size of transmitted aggregation to the
+	 * HT size; mac80211 would otherwise pick the HE max (256) by default.
+	 */
+	.max_tx_agg_size = IEEE80211_MAX_AMPDU_BUF_HT,
+	.num_rbds = IWL_NUM_RBDS_22000_HE,
+};
+
 const struct iwl_cfg iwl_ax201_cfg_qu_c0_hr_b0 = {
 	.name = "Intel(R) Wi-Fi 6 AX201 160MHz",
 	.fw_name_pre = IWL_QU_C_HR_B_FW_PRE,

drivers/net/wireless/intel/iwlwifi/fw/acpi.c

@@ -80,19 +80,45 @@ static void *iwl_acpi_get_dsm_object(struct device *dev, int rev, int func,
 }
 
 /*
- * Evaluate a DSM with no arguments and a single u8 return value (inside a
+ * Generic function to evaluate a DSM with no arguments
- * buffer object), verify and return that value.
+ * and an integer return value,
+ * (as an integer object or inside a buffer object),
+ * verify and assign the value in the "value" parameter.
+ * return 0 in success and the appropriate errno otherwise.
  */
-int iwl_acpi_get_dsm_u8(struct device *dev, int rev, int func)
+static int iwl_acpi_get_dsm_integer(struct device *dev, int rev, int func,
+				    u64 *value, size_t expected_size)
 {
 	union acpi_object *obj;
-	int ret;
+	int ret = 0;
 
 	obj = iwl_acpi_get_dsm_object(dev, rev, func, NULL);
-	if (IS_ERR(obj))
+	if (IS_ERR(obj)) {
+		IWL_DEBUG_DEV_RADIO(dev,
+				    "Failed to get  DSM object. func= %d\n",
+				    func);
 		return -ENOENT;
+	}
 
-	if (obj->type != ACPI_TYPE_BUFFER) {
+	if (obj->type == ACPI_TYPE_INTEGER) {
+		*value = obj->integer.value;
+	} else if (obj->type == ACPI_TYPE_BUFFER) {
+		__le64 le_value = 0;
+
+		if (WARN_ON_ONCE(expected_size > sizeof(le_value)))
+			return -EINVAL;
+
+		/* if the buffer size doesn't match the expected size */
+		if (obj->buffer.length != expected_size)
+			IWL_DEBUG_DEV_RADIO(dev,
+					    "ACPI: DSM invalid buffer size, padding or truncating (%d)\n",
+					    obj->buffer.length);
+
+		 /* assuming LE from Intel BIOS spec */
+		memcpy(&le_value, obj->buffer.pointer,
+		       min_t(size_t, expected_size, (size_t)obj->buffer.length));
+		*value = le64_to_cpu(le_value);
+	} else {
 		IWL_DEBUG_DEV_RADIO(dev,
 				    "ACPI: DSM method did not return a valid object, type=%d\n",
 				    obj->type);
@@ -100,15 +126,6 @@ int iwl_acpi_get_dsm_u8(struct device *dev, int rev, int func)
 		goto out;
 	}
 
-	if (obj->buffer.length != sizeof(u8)) {
-		IWL_DEBUG_DEV_RADIO(dev,
-				    "ACPI: DSM method returned invalid buffer, length=%d\n",
-				    obj->buffer.length);
-		ret = -EINVAL;
-		goto out;
-	}
-
-	ret = obj->buffer.pointer[0];
 	IWL_DEBUG_DEV_RADIO(dev,
 			    "ACPI: DSM method evaluated: func=%d, ret=%d\n",
 			    func, ret);
@@ -116,6 +133,24 @@ out:
 	ACPI_FREE(obj);
 	return ret;
 }
+
+/*
+ * Evaluate a DSM with no arguments and a u8 return value,
+ */
+int iwl_acpi_get_dsm_u8(struct device *dev, int rev, int func, u8 *value)
+{
+	int ret;
+	u64 val;
+
+	ret = iwl_acpi_get_dsm_integer(dev, rev, func, &val, sizeof(u8));
+
+	if (ret < 0)
+		return ret;
+
+	/* cast val (u64) to be u8 */
+	*value = (u8)val;
+	return 0;
+}
 IWL_EXPORT_SYMBOL(iwl_acpi_get_dsm_u8);
 
 union acpi_object *iwl_acpi_get_wifi_pkg(struct device *dev,

drivers/net/wireless/intel/iwlwifi/fw/acpi.h

@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
  * Copyright (C) 2017 Intel Deutschland GmbH
- * Copyright (C) 2018-2020 Intel Corporation
+ * Copyright (C) 2018-2021 Intel Corporation
  */
 #ifndef __iwl_fw_acpi__
 #define __iwl_fw_acpi__
@@ -99,7 +99,7 @@ struct iwl_fw_runtime;
 
 void *iwl_acpi_get_object(struct device *dev, acpi_string method);
 
-int iwl_acpi_get_dsm_u8(struct device *dev, int rev, int func);
+int iwl_acpi_get_dsm_u8(struct device *dev, int rev, int func, u8 *value);
 
 union acpi_object *iwl_acpi_get_wifi_pkg(struct device *dev,
 					 union acpi_object *data,
@@ -159,7 +159,8 @@ static inline void *iwl_acpi_get_dsm_object(struct device *dev, int rev,
 	return ERR_PTR(-ENOENT);
 }
 
-static inline int iwl_acpi_get_dsm_u8(struct device *dev, int rev, int func)
+static inline
+int iwl_acpi_get_dsm_u8(struct device *dev, int rev, int func, u8 *value)
 {
 	return -ENOENT;
 }

drivers/net/wireless/intel/iwlwifi/fw/pnvm.c

@@ -224,40 +224,46 @@ static int iwl_pnvm_parse(struct iwl_trans *trans, const u8 *data,
 int iwl_pnvm_load(struct iwl_trans *trans,
 		  struct iwl_notif_wait_data *notif_wait)
 {
-	const struct firmware *pnvm;
 	struct iwl_notification_wait pnvm_wait;
 	static const u16 ntf_cmds[] = { WIDE_ID(REGULATORY_AND_NVM_GROUP,
 						PNVM_INIT_COMPLETE_NTFY) };
-	char pnvm_name[64];
-	int ret;
 
 	/* if the SKU_ID is empty, there's nothing to do */
 	if (!trans->sku_id[0] && !trans->sku_id[1] && !trans->sku_id[2])
 		return 0;
 
-	/* if we already have it, nothing to do either */
+	/* load from disk only if we haven't done it (or tried) before */
-	if (trans->pnvm_loaded)
+	if (!trans->pnvm_loaded) {
-		return 0;
+		const struct firmware *pnvm;
+		char pnvm_name[64];
+		int ret;
 
-	/*
+		/*
-	 * The prefix unfortunately includes a hyphen at the end, so
+		 * The prefix unfortunately includes a hyphen at the end, so
-	 * don't add the dot here...
+		 * don't add the dot here...
-	 */
+		 */
-	snprintf(pnvm_name, sizeof(pnvm_name), "%spnvm",
+		snprintf(pnvm_name, sizeof(pnvm_name), "%spnvm",
-		 trans->cfg->fw_name_pre);
+			 trans->cfg->fw_name_pre);
 
-	/* ...but replace the hyphen with the dot here. */
+		/* ...but replace the hyphen with the dot here. */
-	if (strlen(trans->cfg->fw_name_pre) < sizeof(pnvm_name))
+		if (strlen(trans->cfg->fw_name_pre) < sizeof(pnvm_name))
-		pnvm_name[strlen(trans->cfg->fw_name_pre) - 1] = '.';
+			pnvm_name[strlen(trans->cfg->fw_name_pre) - 1] = '.';
 
-	ret = firmware_request_nowarn(&pnvm, pnvm_name, trans->dev);
+		ret = firmware_request_nowarn(&pnvm, pnvm_name, trans->dev);
-	if (ret) {
+		if (ret) {
-		IWL_DEBUG_FW(trans, "PNVM file %s not found %d\n",
+			IWL_DEBUG_FW(trans, "PNVM file %s not found %d\n",
-			     pnvm_name, ret);
+				     pnvm_name, ret);
-	} else {
+			/*
-		iwl_pnvm_parse(trans, pnvm->data, pnvm->size);
+			 * Pretend we've loaded it - at least we've tried and
+			 * couldn't load it at all, so there's no point in
+			 * trying again over and over.
+			 */
+			trans->pnvm_loaded = true;
+		} else {
+			iwl_pnvm_parse(trans, pnvm->data, pnvm->size);
 
-		release_firmware(pnvm);
+			release_firmware(pnvm);
+		}
 	}
 
 	iwl_init_notification_wait(notif_wait, &pnvm_wait,

drivers/net/wireless/intel/iwlwifi/iwl-config.h

@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
- * Copyright (C) 2005-2014, 2018-2020 Intel Corporation
+ * Copyright (C) 2005-2014, 2018-2021 Intel Corporation
  * Copyright (C) 2016-2017 Intel Deutschland GmbH
  */
 #ifndef __IWL_CONFIG_H__
@@ -445,7 +445,7 @@ struct iwl_cfg {
 #define IWL_CFG_CORES_BT_GNSS		0x5
 
 #define IWL_SUBDEVICE_RF_ID(subdevice)	((u16)((subdevice) & 0x00F0) >> 4)
-#define IWL_SUBDEVICE_NO_160(subdevice)	((u16)((subdevice) & 0x0100) >> 9)
+#define IWL_SUBDEVICE_NO_160(subdevice)	((u16)((subdevice) & 0x0200) >> 9)
 #define IWL_SUBDEVICE_CORES(subdevice)	((u16)((subdevice) & 0x1C00) >> 10)
 
 struct iwl_dev_info {
@@ -491,6 +491,7 @@ extern const char iwl9260_killer_1550_name[];
 extern const char iwl9560_killer_1550i_name[];
 extern const char iwl9560_killer_1550s_name[];
 extern const char iwl_ax200_name[];
+extern const char iwl_ax203_name[];
 extern const char iwl_ax201_name[];
 extern const char iwl_ax101_name[];
 extern const char iwl_ax200_killer_1650w_name[];
@@ -574,6 +575,8 @@ extern const struct iwl_cfg iwl9560_2ac_cfg_soc;
 extern const struct iwl_cfg iwl_qu_b0_hr1_b0;
 extern const struct iwl_cfg iwl_qu_c0_hr1_b0;
 extern const struct iwl_cfg iwl_quz_a0_hr1_b0;
+extern const struct iwl_cfg iwl_qu_b0_hr_b0;
+extern const struct iwl_cfg iwl_qu_c0_hr_b0;
 extern const struct iwl_cfg iwl_ax200_cfg_cc;
 extern const struct iwl_cfg iwl_ax201_cfg_qu_hr;
 extern const struct iwl_cfg iwl_ax201_cfg_qu_hr;

drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c

@@ -180,13 +180,6 @@ static int iwl_dbg_tlv_alloc_region(struct iwl_trans *trans,
 	if (le32_to_cpu(tlv->length) < sizeof(*reg))
 		return -EINVAL;
 
-	/* For safe using a string from FW make sure we have a
-	 * null terminator
-	 */
-	reg->name[IWL_FW_INI_MAX_NAME - 1] = 0;
-
-	IWL_DEBUG_FW(trans, "WRT: parsing region: %s\n", reg->name);
-
 	if (id >= IWL_FW_INI_MAX_REGION_ID) {
 		IWL_ERR(trans, "WRT: Invalid region id %u\n", id);
 		return -EINVAL;

drivers/net/wireless/intel/iwlwifi/iwl-io.c

@@ -150,16 +150,17 @@ u32 iwl_read_prph(struct iwl_trans *trans, u32 ofs)
 }
 IWL_EXPORT_SYMBOL(iwl_read_prph);
 
-void iwl_write_prph(struct iwl_trans *trans, u32 ofs, u32 val)
+void iwl_write_prph_delay(struct iwl_trans *trans, u32 ofs, u32 val, u32 delay_ms)
 {
 	unsigned long flags;
 
 	if (iwl_trans_grab_nic_access(trans, &flags)) {
+		mdelay(delay_ms);
 		iwl_write_prph_no_grab(trans, ofs, val);
 		iwl_trans_release_nic_access(trans, &flags);
 	}
 }
-IWL_EXPORT_SYMBOL(iwl_write_prph);
+IWL_EXPORT_SYMBOL(iwl_write_prph_delay);
 
 int iwl_poll_prph_bit(struct iwl_trans *trans, u32 addr,
 		      u32 bits, u32 mask, int timeout)
@@ -219,8 +220,8 @@ IWL_EXPORT_SYMBOL(iwl_clear_bits_prph);
 void iwl_force_nmi(struct iwl_trans *trans)
 {
 	if (trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_9000)
-		iwl_write_prph(trans, DEVICE_SET_NMI_REG,
+		iwl_write_prph_delay(trans, DEVICE_SET_NMI_REG,
-			       DEVICE_SET_NMI_VAL_DRV);
+				     DEVICE_SET_NMI_VAL_DRV, 1);
 	else if (trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210)
 		iwl_write_umac_prph(trans, UREG_NIC_SET_NMI_DRIVER,
 				UREG_NIC_SET_NMI_DRIVER_NMI_FROM_DRIVER);

drivers/net/wireless/intel/iwlwifi/iwl-io.h

@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
- * Copyright (C) 2018-2019 Intel Corporation
+ * Copyright (C) 2018-2020 Intel Corporation
  */
 #ifndef __iwl_io_h__
 #define __iwl_io_h__
@@ -37,7 +37,13 @@ u32 iwl_read_prph_no_grab(struct iwl_trans *trans, u32 ofs);
 u32 iwl_read_prph(struct iwl_trans *trans, u32 ofs);
 void iwl_write_prph_no_grab(struct iwl_trans *trans, u32 ofs, u32 val);
 void iwl_write_prph64_no_grab(struct iwl_trans *trans, u64 ofs, u64 val);
-void iwl_write_prph(struct iwl_trans *trans, u32 ofs, u32 val);
+void iwl_write_prph_delay(struct iwl_trans *trans, u32 ofs,
+			  u32 val, u32 delay_ms);
+static inline void iwl_write_prph(struct iwl_trans *trans, u32 ofs, u32 val)
+{
+	iwl_write_prph_delay(trans, ofs, val, 0);
+}
+
 int iwl_poll_prph_bit(struct iwl_trans *trans, u32 addr,
 		      u32 bits, u32 mask, int timeout);
 void iwl_set_bits_prph(struct iwl_trans *trans, u32 ofs, u32 mask);

drivers/net/wireless/intel/iwlwifi/iwl-prph.h

@@ -301,6 +301,12 @@
 #define RADIO_RSP_ADDR_POS		(6)
 #define RADIO_RSP_RD_CMD		(3)
 
+/* LTR control (Qu only) */
+#define HPM_MAC_LTR_CSR			0xa0348c
+#define HPM_MAC_LRT_ENABLE_ALL		0xf
+/* also uses CSR_LTR_* for values */
+#define HPM_UMAC_LTR			0xa03480
+
 /* FW monitor */
 #define MON_BUFF_SAMPLE_CTL		(0xa03c00)
 #define MON_BUFF_BASE_ADDR		(0xa03c1c)

drivers/net/wireless/intel/iwlwifi/mvm/d3.c

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
- * Copyright (C) 2012-2014, 2018-2020 Intel Corporation
+ * Copyright (C) 2012-2014, 2018-2021 Intel Corporation
  * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
  * Copyright (C) 2016-2017 Intel Deutschland GmbH
  */
@@ -2032,8 +2032,6 @@ static int __iwl_mvm_resume(struct iwl_mvm *mvm, bool test)
 
 	mutex_lock(&mvm->mutex);
 
-	clear_bit(IWL_MVM_STATUS_IN_D3, &mvm->status);
-
 	/* get the BSS vif pointer again */
 	vif = iwl_mvm_get_bss_vif(mvm);
 	if (IS_ERR_OR_NULL(vif))
@@ -2148,6 +2146,8 @@ out_iterate:
 			iwl_mvm_d3_disconnect_iter, keep ? vif : NULL);
 
 out:
+	clear_bit(IWL_MVM_STATUS_IN_D3, &mvm->status);
+
 	/* no need to reset the device in unified images, if successful */
 	if (unified_image && !ret) {
 		/* nothing else to do if we already sent D0I3_END_CMD */

drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c

@@ -459,7 +459,10 @@ static ssize_t iwl_dbgfs_os_device_timediff_read(struct file *file,
 	const size_t bufsz = sizeof(buf);
 	int pos = 0;
 
+	mutex_lock(&mvm->mutex);
 	iwl_mvm_get_sync_time(mvm, &curr_gp2, &curr_os);
+	mutex_unlock(&mvm->mutex);
+
 	do_div(curr_os, NSEC_PER_USEC);
 	diff = curr_os - curr_gp2;
 	pos += scnprintf(buf + pos, bufsz - pos, "diff=%lld\n", diff);

drivers/net/wireless/intel/iwlwifi/mvm/fw.c

@@ -1090,20 +1090,22 @@ static void iwl_mvm_tas_init(struct iwl_mvm *mvm)
 
 static u8 iwl_mvm_eval_dsm_indonesia_5g2(struct iwl_mvm *mvm)
 {
+	u8 value;
+
 	int ret = iwl_acpi_get_dsm_u8((&mvm->fwrt)->dev, 0,
-				      DSM_FUNC_ENABLE_INDONESIA_5G2);
+				      DSM_FUNC_ENABLE_INDONESIA_5G2, &value);
 
 	if (ret < 0)
 		IWL_DEBUG_RADIO(mvm,
 				"Failed to evaluate DSM function ENABLE_INDONESIA_5G2, ret=%d\n",
 				ret);
 
-	else if (ret >= DSM_VALUE_INDONESIA_MAX)
+	else if (value >= DSM_VALUE_INDONESIA_MAX)
 		IWL_DEBUG_RADIO(mvm,
-				"DSM function ENABLE_INDONESIA_5G2 return invalid value, ret=%d\n",
+				"DSM function ENABLE_INDONESIA_5G2 return invalid value, value=%d\n",
-				ret);
+				value);
 
-	else if (ret == DSM_VALUE_INDONESIA_ENABLE) {
+	else if (value == DSM_VALUE_INDONESIA_ENABLE) {
 		IWL_DEBUG_RADIO(mvm,
 				"Evaluated DSM function ENABLE_INDONESIA_5G2: Enabling 5g2\n");
 		return DSM_VALUE_INDONESIA_ENABLE;
@@ -1114,25 +1116,26 @@ static u8 iwl_mvm_eval_dsm_indonesia_5g2(struct iwl_mvm *mvm)
 
 static u8 iwl_mvm_eval_dsm_disable_srd(struct iwl_mvm *mvm)
 {
+	u8 value;
 	int ret = iwl_acpi_get_dsm_u8((&mvm->fwrt)->dev, 0,
-				      DSM_FUNC_DISABLE_SRD);
+				      DSM_FUNC_DISABLE_SRD, &value);
 
 	if (ret < 0)
 		IWL_DEBUG_RADIO(mvm,
 				"Failed to evaluate DSM function DISABLE_SRD, ret=%d\n",
 				ret);
 
-	else if (ret >= DSM_VALUE_SRD_MAX)
+	else if (value >= DSM_VALUE_SRD_MAX)
 		IWL_DEBUG_RADIO(mvm,
-				"DSM function DISABLE_SRD return invalid value, ret=%d\n",
+				"DSM function DISABLE_SRD return invalid value, value=%d\n",
-				ret);
+				value);
 
-	else if (ret == DSM_VALUE_SRD_PASSIVE) {
+	else if (value == DSM_VALUE_SRD_PASSIVE) {
 		IWL_DEBUG_RADIO(mvm,
 				"Evaluated DSM function DISABLE_SRD: setting SRD to passive\n");
 		return DSM_VALUE_SRD_PASSIVE;
 
-	} else if (ret == DSM_VALUE_SRD_DISABLE) {
+	} else if (value == DSM_VALUE_SRD_DISABLE) {
 		IWL_DEBUG_RADIO(mvm,
 				"Evaluated DSM function DISABLE_SRD: disabling SRD\n");
 		return DSM_VALUE_SRD_DISABLE;

drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c

@@ -4194,6 +4194,9 @@ static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm,
 	iwl_mvm_binding_remove_vif(mvm, vif);
 
 out:
+	if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD) &&
+	    switching_chanctx)
+		return;
 	mvmvif->phy_ctxt = NULL;
 	iwl_mvm_power_update_mac(mvm);
 }

drivers/net/wireless/intel/iwlwifi/mvm/ops.c

@@ -791,6 +791,10 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
 	if (!mvm->scan_cmd)
 		goto out_free;
 
+	/* invalidate ids to prevent accidental removal of sta_id 0 */
+	mvm->aux_sta.sta_id = IWL_MVM_INVALID_STA;
+	mvm->snif_sta.sta_id = IWL_MVM_INVALID_STA;
+
 	/* Set EBS as successful as long as not stated otherwise by the FW. */
 	mvm->last_ebs_successful = true;
 
@@ -1205,6 +1209,7 @@ static void iwl_mvm_reprobe_wk(struct work_struct *wk)
 	reprobe = container_of(wk, struct iwl_mvm_reprobe, work);
 	if (device_reprobe(reprobe->dev))
 		dev_err(reprobe->dev, "reprobe failed!\n");
+	put_device(reprobe->dev);
 	kfree(reprobe);
 	module_put(THIS_MODULE);
 }
@@ -1255,7 +1260,7 @@ void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error)
 			module_put(THIS_MODULE);
 			return;
 		}
-		reprobe->dev = mvm->trans->dev;
+		reprobe->dev = get_device(mvm->trans->dev);
 		INIT_WORK(&reprobe->work, iwl_mvm_reprobe_wk);
 		schedule_work(&reprobe->work);
 	} else if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED,

drivers/net/wireless/intel/iwlwifi/mvm/sta.c

@@ -2057,6 +2057,9 @@ int iwl_mvm_rm_snif_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 
 	lockdep_assert_held(&mvm->mutex);
 
+	if (WARN_ON_ONCE(mvm->snif_sta.sta_id == IWL_MVM_INVALID_STA))
+		return -EINVAL;
+
 	iwl_mvm_disable_txq(mvm, NULL, mvm->snif_queue, IWL_MAX_TID_COUNT, 0);
 	ret = iwl_mvm_rm_sta_common(mvm, mvm->snif_sta.sta_id);
 	if (ret)
@@ -2071,6 +2074,9 @@ int iwl_mvm_rm_aux_sta(struct iwl_mvm *mvm)
 
 	lockdep_assert_held(&mvm->mutex);
 
+	if (WARN_ON_ONCE(mvm->aux_sta.sta_id == IWL_MVM_INVALID_STA))
+		return -EINVAL;
+
 	iwl_mvm_disable_txq(mvm, NULL, mvm->aux_queue, IWL_MAX_TID_COUNT, 0);
 	ret = iwl_mvm_rm_sta_common(mvm, mvm->aux_sta.sta_id);
 	if (ret)

drivers/net/wireless/intel/iwlwifi/mvm/tx.c

@@ -773,6 +773,7 @@ iwl_mvm_tx_tso_segment(struct sk_buff *skb, unsigned int num_subframes,
 
 	next = skb_gso_segment(skb, netdev_flags);
 	skb_shinfo(skb)->gso_size = mss;
+	skb_shinfo(skb)->gso_type = ipv4 ? SKB_GSO_TCPV4 : SKB_GSO_TCPV6;
 	if (WARN_ON_ONCE(IS_ERR(next)))
 		return -EINVAL;
 	else if (next)
@@ -795,6 +796,8 @@ iwl_mvm_tx_tso_segment(struct sk_buff *skb, unsigned int num_subframes,
 
 		if (tcp_payload_len > mss) {
 			skb_shinfo(tmp)->gso_size = mss;
+			skb_shinfo(tmp)->gso_type = ipv4 ? SKB_GSO_TCPV4 :
+							   SKB_GSO_TCPV6;
 		} else {
 			if (qos) {
 				u8 *qc;

drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c

@@ -75,6 +75,15 @@ int iwl_pcie_ctxt_info_gen3_init(struct iwl_trans *trans,
 				 const struct fw_img *fw)
 {
 	struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
+	u32 ltr_val = CSR_LTR_LONG_VAL_AD_NO_SNOOP_REQ |
+		      u32_encode_bits(CSR_LTR_LONG_VAL_AD_SCALE_USEC,
+				      CSR_LTR_LONG_VAL_AD_NO_SNOOP_SCALE) |
+		      u32_encode_bits(250,
+				      CSR_LTR_LONG_VAL_AD_NO_SNOOP_VAL) |
+		      CSR_LTR_LONG_VAL_AD_SNOOP_REQ |
+		      u32_encode_bits(CSR_LTR_LONG_VAL_AD_SCALE_USEC,
+				      CSR_LTR_LONG_VAL_AD_SNOOP_SCALE) |
+		      u32_encode_bits(250, CSR_LTR_LONG_VAL_AD_SNOOP_VAL);
 	struct iwl_context_info_gen3 *ctxt_info_gen3;
 	struct iwl_prph_scratch *prph_scratch;
 	struct iwl_prph_scratch_ctrl_cfg *prph_sc_ctrl;
@@ -189,8 +198,10 @@ int iwl_pcie_ctxt_info_gen3_init(struct iwl_trans *trans,
 	/* Allocate IML */
 	iml_img = dma_alloc_coherent(trans->dev, trans->iml_len,
 				     &trans_pcie->iml_dma_addr, GFP_KERNEL);
-	if (!iml_img)
+	if (!iml_img) {
-		return -ENOMEM;
+		ret = -ENOMEM;
+		goto err_free_ctxt_info;
+	}
 
 	memcpy(iml_img, trans->iml, trans->iml_len);
 
@@ -206,23 +217,19 @@ int iwl_pcie_ctxt_info_gen3_init(struct iwl_trans *trans,
 	iwl_set_bit(trans, CSR_CTXT_INFO_BOOT_CTRL,
 		    CSR_AUTO_FUNC_BOOT_ENA);
 
-	if (trans->trans_cfg->device_family == IWL_DEVICE_FAMILY_AX210) {
+	/*
-		/*
+	 * To workaround hardware latency issues during the boot process,
-		 * The firmware initializes this again later (to a smaller
+	 * initialize the LTR to ~250 usec (see ltr_val above).
-		 * value), but for the boot process initialize the LTR to
+	 * The firmware initializes this again later (to a smaller value).
-		 * ~250 usec.
+	 */
-		 */
+	if ((trans->trans_cfg->device_family == IWL_DEVICE_FAMILY_AX210 ||
-		u32 val = CSR_LTR_LONG_VAL_AD_NO_SNOOP_REQ |
+	     trans->trans_cfg->device_family == IWL_DEVICE_FAMILY_22000) &&
-			  u32_encode_bits(CSR_LTR_LONG_VAL_AD_SCALE_USEC,
+	    !trans->trans_cfg->integrated) {
-					  CSR_LTR_LONG_VAL_AD_NO_SNOOP_SCALE) |
+		iwl_write32(trans, CSR_LTR_LONG_VAL_AD, ltr_val);
-			  u32_encode_bits(250,
+	} else if (trans->trans_cfg->integrated &&
-					  CSR_LTR_LONG_VAL_AD_NO_SNOOP_VAL) |
+		   trans->trans_cfg->device_family == IWL_DEVICE_FAMILY_22000) {
-			  CSR_LTR_LONG_VAL_AD_SNOOP_REQ |
+		iwl_write_prph(trans, HPM_MAC_LTR_CSR, HPM_MAC_LRT_ENABLE_ALL);
-			  u32_encode_bits(CSR_LTR_LONG_VAL_AD_SCALE_USEC,
+		iwl_write_prph(trans, HPM_UMAC_LTR, ltr_val);
-					  CSR_LTR_LONG_VAL_AD_SNOOP_SCALE) |
-			  u32_encode_bits(250, CSR_LTR_LONG_VAL_AD_SNOOP_VAL);
-
-		iwl_write32(trans, CSR_LTR_LONG_VAL_AD, val);
 	}
 
 	if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210)
@@ -232,6 +239,11 @@ int iwl_pcie_ctxt_info_gen3_init(struct iwl_trans *trans,
 
 	return 0;
 
+err_free_ctxt_info:
+	dma_free_coherent(trans->dev, sizeof(*trans_pcie->ctxt_info_gen3),
+			  trans_pcie->ctxt_info_gen3,
+			  trans_pcie->ctxt_info_dma_addr);
+	trans_pcie->ctxt_info_gen3 = NULL;
 err_free_prph_info:
 	dma_free_coherent(trans->dev,
 			  sizeof(*prph_info),
@@ -294,6 +306,9 @@ int iwl_trans_pcie_ctx_info_gen3_set_pnvm(struct iwl_trans *trans,
 		return ret;
 	}
 
+	if (WARN_ON(prph_sc_ctrl->pnvm_cfg.pnvm_size))
+		return -EBUSY;
+
 	prph_sc_ctrl->pnvm_cfg.pnvm_base_addr =
 		cpu_to_le64(trans_pcie->pnvm_dram.physical);
 	prph_sc_ctrl->pnvm_cfg.pnvm_size =

drivers/net/wireless/intel/iwlwifi/pcie/drv.c

@@ -910,6 +910,11 @@ static const struct iwl_dev_info iwl_dev_info_table[] = {
 		      IWL_CFG_RF_TYPE_HR1, IWL_CFG_ANY,
 		      IWL_CFG_ANY, IWL_CFG_ANY,
 		      iwl_qu_b0_hr1_b0, iwl_ax101_name),
+	_IWL_DEV_INFO(IWL_CFG_ANY, IWL_CFG_ANY,
+		      IWL_CFG_MAC_TYPE_QU, SILICON_C_STEP,
+		      IWL_CFG_RF_TYPE_HR2, IWL_CFG_ANY,
+		      IWL_CFG_ANY, IWL_CFG_ANY,
+		      iwl_qu_b0_hr_b0, iwl_ax203_name),
 
 	/* Qu C step */
 	_IWL_DEV_INFO(IWL_CFG_ANY, IWL_CFG_ANY,
@@ -917,6 +922,11 @@ static const struct iwl_dev_info iwl_dev_info_table[] = {
 		      IWL_CFG_RF_TYPE_HR1, IWL_CFG_ANY,
 		      IWL_CFG_ANY, IWL_CFG_ANY,
 		      iwl_qu_c0_hr1_b0, iwl_ax101_name),
+	_IWL_DEV_INFO(IWL_CFG_ANY, IWL_CFG_ANY,
+		      IWL_CFG_MAC_TYPE_QU, SILICON_C_STEP,
+		      IWL_CFG_RF_TYPE_HR2, IWL_CFG_ANY,
+		      IWL_CFG_ANY, IWL_CFG_ANY,
+		      iwl_qu_c0_hr_b0, iwl_ax203_name),
 
 	/* QuZ */
 	_IWL_DEV_INFO(IWL_CFG_ANY, IWL_CFG_ANY,

drivers/net/wireless/intel/iwlwifi/pcie/trans.c

@@ -2107,7 +2107,8 @@ static int iwl_trans_pcie_read_mem(struct iwl_trans *trans, u32 addr,
 
 	while (offs < dwords) {
 		/* limit the time we spin here under lock to 1/2s */
-		ktime_t timeout = ktime_add_us(ktime_get(), 500 * USEC_PER_MSEC);
+		unsigned long end = jiffies + HZ / 2;
+		bool resched = false;
 
 		if (iwl_trans_grab_nic_access(trans, &flags)) {
 			iwl_write32(trans, HBUS_TARG_MEM_RADDR,
@@ -2118,14 +2119,15 @@ static int iwl_trans_pcie_read_mem(struct iwl_trans *trans, u32 addr,
 							HBUS_TARG_MEM_RDAT);
 				offs++;
 
-				/* calling ktime_get is expensive so
+				if (time_after(jiffies, end)) {
-				 * do it once in 128 reads
+					resched = true;
-				 */
-				if (offs % 128 == 0 && ktime_after(ktime_get(),
-								   timeout))
 					break;
+				}
 			}
 			iwl_trans_release_nic_access(trans, &flags);
+
+			if (resched)
+				cond_resched();
 		} else {
 			return -EBUSY;
 		}

drivers/net/wireless/intel/iwlwifi/pcie/tx.c

@@ -201,6 +201,11 @@ static void iwl_pcie_txq_unmap(struct iwl_trans *trans, int txq_id)
 	struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
 	struct iwl_txq *txq = trans->txqs.txq[txq_id];
 
+	if (!txq) {
+		IWL_ERR(trans, "Trying to free a queue that wasn't allocated?\n");
+		return;
+	}
+
 	spin_lock_bh(&txq->lock);
 	while (txq->write_ptr != txq->read_ptr) {
 		IWL_DEBUG_TX_REPLY(trans, "Q %d Free %d\n",

drivers/net/wireless/intel/iwlwifi/queue/tx.c

@@ -142,26 +142,25 @@ void iwl_txq_gen2_free_tfd(struct iwl_trans *trans, struct iwl_txq *txq)
 	 * idx is bounded by n_window
 	 */
 	int idx = iwl_txq_get_cmd_index(txq, txq->read_ptr);
+	struct sk_buff *skb;
 
 	lockdep_assert_held(&txq->lock);
 
+	if (!txq->entries)
+		return;
+
 	iwl_txq_gen2_tfd_unmap(trans, &txq->entries[idx].meta,
 			       iwl_txq_get_tfd(trans, txq, idx));
 
-	/* free SKB */
+	skb = txq->entries[idx].skb;
-	if (txq->entries) {
-		struct sk_buff *skb;
 
-		skb = txq->entries[idx].skb;
+	/* Can be called from irqs-disabled context
-
+	 * If skb is not NULL, it means that the whole queue is being
-		/* Can be called from irqs-disabled context
+	 * freed and that the queue is not empty - free the skb
-		 * If skb is not NULL, it means that the whole queue is being
+	 */
-		 * freed and that the queue is not empty - free the skb
+	if (skb) {
-		 */
+		iwl_op_mode_free_skb(trans->op_mode, skb);
-		if (skb) {
+		txq->entries[idx].skb = NULL;
-			iwl_op_mode_free_skb(trans->op_mode, skb);
-			txq->entries[idx].skb = NULL;
-		}
 	}
 }
 
@@ -841,10 +840,8 @@ void iwl_txq_gen2_unmap(struct iwl_trans *trans, int txq_id)
 			int idx = iwl_txq_get_cmd_index(txq, txq->read_ptr);
 			struct sk_buff *skb = txq->entries[idx].skb;
 
-			if (WARN_ON_ONCE(!skb))
+			if (!WARN_ON_ONCE(!skb))
-				continue;
+				iwl_txq_free_tso_page(trans, skb);
-
-			iwl_txq_free_tso_page(trans, skb);
 		}
 		iwl_txq_gen2_free_tfd(trans, txq);
 		txq->read_ptr = iwl_txq_inc_wrap(trans, txq->read_ptr);
@@ -1494,28 +1491,28 @@ void iwl_txq_free_tfd(struct iwl_trans *trans, struct iwl_txq *txq)
 	 */
 	int rd_ptr = txq->read_ptr;
 	int idx = iwl_txq_get_cmd_index(txq, rd_ptr);
+	struct sk_buff *skb;
 
 	lockdep_assert_held(&txq->lock);
 
+	if (!txq->entries)
+		return;
+
 	/* We have only q->n_window txq->entries, but we use
 	 * TFD_QUEUE_SIZE_MAX tfds
 	 */
 	iwl_txq_gen1_tfd_unmap(trans, &txq->entries[idx].meta, txq, rd_ptr);
 
 	/* free SKB */
-	if (txq->entries) {
+	skb = txq->entries[idx].skb;
-		struct sk_buff *skb;
 
-		skb = txq->entries[idx].skb;
+	/* Can be called from irqs-disabled context
-
+	 * If skb is not NULL, it means that the whole queue is being
-		/* Can be called from irqs-disabled context
+	 * freed and that the queue is not empty - free the skb
-		 * If skb is not NULL, it means that the whole queue is being
+	 */
-		 * freed and that the queue is not empty - free the skb
+	if (skb) {
-		 */
+		iwl_op_mode_free_skb(trans->op_mode, skb);
-		if (skb) {
+		txq->entries[idx].skb = NULL;
-			iwl_op_mode_free_skb(trans->op_mode, skb);
-			txq->entries[idx].skb = NULL;
-		}
 	}
 }
 

drivers/net/wireless/mediatek/mt76/mt7615/mcu.c

@@ -231,7 +231,7 @@ mt7615_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
 			int cmd, int *seq)
 {
 	struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
-	enum mt76_txq_id qid;
+	enum mt76_mcuq_id qid;
 
 	mt7615_mcu_fill_msg(dev, skb, cmd, seq);
 	if (test_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state))

drivers/net/wireless/mediatek/mt76/mt7615/sdio_txrx.c

@@ -83,7 +83,7 @@ static int mt7663s_rx_run_queue(struct mt76_dev *dev, enum mt76_rxq_id qid,
 {
 	struct mt76_queue *q = &dev->q_rx[qid];
 	struct mt76_sdio *sdio = &dev->sdio;
-	int len = 0, err, i, order;
+	int len = 0, err, i;
 	struct page *page;
 	u8 *buf;
 
@@ -96,8 +96,7 @@ static int mt7663s_rx_run_queue(struct mt76_dev *dev, enum mt76_rxq_id qid,
 	if (len > sdio->func->cur_blksize)
 		len = roundup(len, sdio->func->cur_blksize);
 
-	order = get_order(len);
+	page = __dev_alloc_pages(GFP_KERNEL, get_order(len));
-	page = __dev_alloc_pages(GFP_KERNEL, order);
 	if (!page)
 		return -ENOMEM;
 
@@ -106,7 +105,7 @@ static int mt7663s_rx_run_queue(struct mt76_dev *dev, enum mt76_rxq_id qid,
 	err = sdio_readsb(sdio->func, buf, MCR_WRDR(qid), len);
 	if (err < 0) {
 		dev_err(dev->dev, "sdio read data failed:%d\n", err);
-		__free_pages(page, order);
+		put_page(page);
 		return err;
 	}
 
@@ -123,7 +122,7 @@ static int mt7663s_rx_run_queue(struct mt76_dev *dev, enum mt76_rxq_id qid,
 		if (q->queued + i + 1 == q->ndesc)
 			break;
 	}
-	__free_pages(page, order);
+	put_page(page);
 
 	spin_lock_bh(&q->lock);
 	q->head = (q->head + i) % q->ndesc;

drivers/net/wireless/mediatek/mt76/mt7915/mcu.c

@@ -256,7 +256,7 @@ mt7915_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
 	struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
 	struct mt7915_mcu_txd *mcu_txd;
 	u8 seq, pkt_fmt, qidx;
-	enum mt76_txq_id txq;
+	enum mt76_mcuq_id qid;
 	__le32 *txd;
 	u32 val;
 
@@ -268,18 +268,18 @@ mt7915_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
 		seq = ++dev->mt76.mcu.msg_seq & 0xf;
 
 	if (cmd == -MCU_CMD_FW_SCATTER) {
-		txq = MT_MCUQ_FWDL;
+		qid = MT_MCUQ_FWDL;
 		goto exit;
 	}
 
 	mcu_txd = (struct mt7915_mcu_txd *)skb_push(skb, sizeof(*mcu_txd));
 
 	if (test_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state)) {
-		txq = MT_MCUQ_WA;
+		qid = MT_MCUQ_WA;
 		qidx = MT_TX_MCU_PORT_RX_Q0;
 		pkt_fmt = MT_TX_TYPE_CMD;
 	} else {
-		txq = MT_MCUQ_WM;
+		qid = MT_MCUQ_WM;
 		qidx = MT_TX_MCU_PORT_RX_Q0;
 		pkt_fmt = MT_TX_TYPE_CMD;
 	}
@@ -326,7 +326,7 @@ exit:
 	if (wait_seq)
 		*wait_seq = seq;
 
-	return mt76_tx_queue_skb_raw(dev, mdev->q_mcu[txq], skb, 0);
+	return mt76_tx_queue_skb_raw(dev, mdev->q_mcu[qid], skb, 0);
 }
 
 static void

drivers/net/wireless/mediatek/mt7601u/dma.c

@@ -152,8 +152,7 @@ mt7601u_rx_process_entry(struct mt7601u_dev *dev, struct mt7601u_dma_buf_rx *e)
 
 	if (new_p) {
 		/* we have one extra ref from the allocator */
-		__free_pages(e->p, MT_RX_ORDER);
+		put_page(e->p);
-
 		e->p = new_p;
 	}
 }
@@ -310,7 +309,6 @@ static int mt7601u_dma_submit_tx(struct mt7601u_dev *dev,
 	}
 
 	e = &q->e[q->end];
-	e->skb = skb;
 	usb_fill_bulk_urb(e->urb, usb_dev, snd_pipe, skb->data, skb->len,
 			  mt7601u_complete_tx, q);
 	ret = usb_submit_urb(e->urb, GFP_ATOMIC);
@@ -328,6 +326,7 @@ static int mt7601u_dma_submit_tx(struct mt7601u_dev *dev,
 
 	q->end = (q->end + 1) % q->entries;
 	q->used++;
+	e->skb = skb;
 
 	if (q->used >= q->entries)
 		ieee80211_stop_queue(dev->hw, skb_get_queue_mapping(skb));

drivers/staging/rtl8723bs/include/rtw_wifi_regd.h

@@ -20,9 +20,9 @@ enum country_code_type_t {
 	COUNTRY_CODE_MAX
 };
 
-int rtw_regd_init(struct adapter *padapter,
+void rtw_regd_init(struct wiphy *wiphy,
-	void (*reg_notifier)(struct wiphy *wiphy,
+		   void (*reg_notifier)(struct wiphy *wiphy,
-		struct regulatory_request *request));
+					struct regulatory_request *request));
 void rtw_reg_notifier(struct wiphy *wiphy, struct regulatory_request *request);
 
 

drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c

@@ -3211,9 +3211,6 @@ void rtw_cfg80211_init_wiphy(struct adapter *padapter)
 			rtw_cfg80211_init_ht_capab(&bands->ht_cap, NL80211_BAND_2GHZ, rf_type);
 	}
 
-	/* init regulary domain */
-	rtw_regd_init(padapter, rtw_reg_notifier);
-
 	/* copy mac_addr to wiphy */
 	memcpy(wiphy->perm_addr, padapter->eeprompriv.mac_addr, ETH_ALEN);
 
@@ -3328,6 +3325,9 @@ int rtw_wdev_alloc(struct adapter *padapter, struct device *dev)
 	*((struct adapter **)wiphy_priv(wiphy)) = padapter;
 	rtw_cfg80211_preinit_wiphy(padapter, wiphy);
 
+	/* init regulary domain */
+	rtw_regd_init(wiphy, rtw_reg_notifier);
+
 	ret = wiphy_register(wiphy);
 	if (ret < 0) {
 		DBG_8192C("Couldn't register wiphy device\n");

drivers/staging/rtl8723bs/os_dep/wifi_regd.c

@@ -139,15 +139,11 @@ static void _rtw_regd_init_wiphy(struct rtw_regulatory *reg,
 	_rtw_reg_apply_flags(wiphy);
 }
 
-int rtw_regd_init(struct adapter *padapter,
+void rtw_regd_init(struct wiphy *wiphy,
-		  void (*reg_notifier)(struct wiphy *wiphy,
+		   void (*reg_notifier)(struct wiphy *wiphy,
-				       struct regulatory_request *request))
+					struct regulatory_request *request))
 {
-	struct wiphy *wiphy = padapter->rtw_wdev->wiphy;
-
 	_rtw_regd_init_wiphy(NULL, wiphy, reg_notifier);
-
-	return 0;
 }
 
 void rtw_reg_notifier(struct wiphy *wiphy, struct regulatory_request *request)

include/net/lapb.h

@@ -92,6 +92,7 @@ struct lapb_cb {
 	unsigned short		n2, n2count;
 	unsigned short		t1, t2;
 	struct timer_list	t1timer, t2timer;
+	bool			t1timer_stop, t2timer_stop;
 
 	/* Internal control information */
 	struct sk_buff_head	write_queue;
@@ -103,6 +104,7 @@ struct lapb_cb {
 	struct lapb_frame	frmr_data;
 	unsigned char		frmr_type;
 
+	spinlock_t		lock;
 	refcount_t		refcnt;
 };
 

include/net/netfilter/nf_tables.h

@@ -721,6 +721,8 @@ void *nft_set_elem_init(const struct nft_set *set,
 			const struct nft_set_ext_tmpl *tmpl,
 			const u32 *key, const u32 *key_end, const u32 *data,
 			u64 timeout, u64 expiration, gfp_t gfp);
+int nft_set_elem_expr_clone(const struct nft_ctx *ctx, struct nft_set *set,
+			    struct nft_expr *expr_array[]);
 void nft_set_elem_destroy(const struct nft_set *set, void *elem,
 			  bool destroy_expr);
 

include/net/tcp.h

@@ -630,6 +630,7 @@ static inline void tcp_clear_xmit_timers(struct sock *sk)
 
 unsigned int tcp_sync_mss(struct sock *sk, u32 pmtu);
 unsigned int tcp_current_mss(struct sock *sk);
+u32 tcp_clamp_probe0_to_user_timeout(const struct sock *sk, u32 when);
 
 /* Bound MSS / TSO packet size with the half of the window */
 static inline int tcp_bound_to_half_wnd(struct tcp_sock *tp, int pktsize)
@@ -2060,7 +2061,7 @@ void tcp_mark_skb_lost(struct sock *sk, struct sk_buff *skb);
 void tcp_newreno_mark_lost(struct sock *sk, bool snd_una_advanced);
 extern s32 tcp_rack_skb_timeout(struct tcp_sock *tp, struct sk_buff *skb,
 				u32 reo_wnd);
-extern void tcp_rack_mark_lost(struct sock *sk);
+extern bool tcp_rack_mark_lost(struct sock *sk);
 extern void tcp_rack_advance(struct tcp_sock *tp, u8 sacked, u32 end_seq,
 			     u64 xmit_time);
 extern void tcp_rack_reo_timeout(struct sock *sk);

include/uapi/linux/mrp_bridge.h

@@ -71,90 +71,4 @@ enum br_mrp_sub_tlv_header_type {
 	BR_MRP_SUB_TLV_HEADER_TEST_AUTO_MGR = 0x3,
 };
 
-struct br_mrp_tlv_hdr {
-	__u8 type;
-	__u8 length;
-};
-
-struct br_mrp_sub_tlv_hdr {
-	__u8 type;
-	__u8 length;
-};
-
-struct br_mrp_end_hdr {
-	struct br_mrp_tlv_hdr hdr;
-};
-
-struct br_mrp_common_hdr {
-	__be16 seq_id;
-	__u8 domain[MRP_DOMAIN_UUID_LENGTH];
-};
-
-struct br_mrp_ring_test_hdr {
-	__be16 prio;
-	__u8 sa[ETH_ALEN];
-	__be16 port_role;
-	__be16 state;
-	__be16 transitions;
-	__be32 timestamp;
-};
-
-struct br_mrp_ring_topo_hdr {
-	__be16 prio;
-	__u8 sa[ETH_ALEN];
-	__be16 interval;
-};
-
-struct br_mrp_ring_link_hdr {
-	__u8 sa[ETH_ALEN];
-	__be16 port_role;
-	__be16 interval;
-	__be16 blocked;
-};
-
-struct br_mrp_sub_opt_hdr {
-	__u8 type;
-	__u8 manufacture_data[MRP_MANUFACTURE_DATA_LENGTH];
-};
-
-struct br_mrp_test_mgr_nack_hdr {
-	__be16 prio;
-	__u8 sa[ETH_ALEN];
-	__be16 other_prio;
-	__u8 other_sa[ETH_ALEN];
-};
-
-struct br_mrp_test_prop_hdr {
-	__be16 prio;
-	__u8 sa[ETH_ALEN];
-	__be16 other_prio;
-	__u8 other_sa[ETH_ALEN];
-};
-
-struct br_mrp_oui_hdr {
-	__u8 oui[MRP_OUI_LENGTH];
-};
-
-struct br_mrp_in_test_hdr {
-	__be16 id;
-	__u8 sa[ETH_ALEN];
-	__be16 port_role;
-	__be16 state;
-	__be16 transitions;
-	__be32 timestamp;
-};
-
-struct br_mrp_in_topo_hdr {
-	__u8 sa[ETH_ALEN];
-	__be16 id;
-	__be16 interval;
-};
-
-struct br_mrp_in_link_hdr {
-	__u8 sa[ETH_ALEN];
-	__be16 port_role;
-	__be16 id;
-	__be16 interval;
-};
-
 #endif

include/uapi/linux/rpl.h

@@ -28,10 +28,10 @@ struct ipv6_rpl_sr_hdr {
 		pad:4,
 		reserved1:16;
 #elif defined(__BIG_ENDIAN_BITFIELD)
-	__u32	reserved:20,
+	__u32	cmpri:4,
+		cmpre:4,
 		pad:4,
-		cmpri:4,
+		reserved:20;
-		cmpre:4;
 #else
 #error  "Please fix <asm/byteorder.h>"
 #endif

net/bridge/br_private_mrp.h

@@ -88,4 +88,33 @@ int br_mrp_switchdev_send_in_test(struct net_bridge *br, struct br_mrp *mrp,
 int br_mrp_ring_port_open(struct net_device *dev, u8 loc);
 int br_mrp_in_port_open(struct net_device *dev, u8 loc);
 
+/* MRP protocol data units */
+struct br_mrp_tlv_hdr {
+	__u8 type;
+	__u8 length;
+};
+
+struct br_mrp_common_hdr {
+	__be16 seq_id;
+	__u8 domain[MRP_DOMAIN_UUID_LENGTH];
+};
+
+struct br_mrp_ring_test_hdr {
+	__be16 prio;
+	__u8 sa[ETH_ALEN];
+	__be16 port_role;
+	__be16 state;
+	__be16 transitions;
+	__be32 timestamp;
+} __attribute__((__packed__));
+
+struct br_mrp_in_test_hdr {
+	__be16 id;
+	__u8 sa[ETH_ALEN];
+	__be16 port_role;
+	__be16 state;
+	__be16 transitions;
+	__be32 timestamp;
+} __attribute__((__packed__));
+
 #endif /* _BR_PRIVATE_MRP_H */

net/decnet/dn_route.c

@@ -1035,7 +1035,7 @@ source_ok:
 			fld.saddr = dnet_select_source(dev_out, 0,
 						       RT_SCOPE_HOST);
 			if (!fld.daddr)
-				goto out;
+				goto done;
 		}
 		fld.flowidn_oif = LOOPBACK_IFINDEX;
 		res.type = RTN_LOCAL;

net/ipv4/tcp_input.c

@@ -2859,7 +2859,8 @@ static void tcp_identify_packet_loss(struct sock *sk, int *ack_flag)
 	} else if (tcp_is_rack(sk)) {
 		u32 prior_retrans = tp->retrans_out;
 
-		tcp_rack_mark_lost(sk);
+		if (tcp_rack_mark_lost(sk))
+			*ack_flag &= ~FLAG_SET_XMIT_TIMER;
 		if (prior_retrans > tp->retrans_out)
 			*ack_flag |= FLAG_LOST_RETRANS;
 	}
@@ -3392,8 +3393,8 @@ static void tcp_ack_probe(struct sock *sk)
 	} else {
 		unsigned long when = tcp_probe0_when(sk, TCP_RTO_MAX);
 
-		tcp_reset_xmit_timer(sk, ICSK_TIME_PROBE0,
+		when = tcp_clamp_probe0_to_user_timeout(sk, when);
-				     when, TCP_RTO_MAX);
+		tcp_reset_xmit_timer(sk, ICSK_TIME_PROBE0, when, TCP_RTO_MAX);
 	}
 }
 
@@ -3816,9 +3817,6 @@ static int tcp_ack(struct sock *sk, const struct sk_buff *skb, int flag)
 
 	if (tp->tlp_high_seq)
 		tcp_process_tlp_ack(sk, ack, flag);
-	/* If needed, reset TLP/RTO timer; RACK may later override this. */
-	if (flag & FLAG_SET_XMIT_TIMER)
-		tcp_set_xmit_timer(sk);
 
 	if (tcp_ack_is_dubious(sk, flag)) {
 		if (!(flag & (FLAG_SND_UNA_ADVANCED | FLAG_NOT_DUP))) {
@@ -3831,6 +3829,10 @@ static int tcp_ack(struct sock *sk, const struct sk_buff *skb, int flag)
 				      &rexmit);
 	}
 
+	/* If needed, reset TLP/RTO timer when RACK doesn't set. */
+	if (flag & FLAG_SET_XMIT_TIMER)
+		tcp_set_xmit_timer(sk);
+
 	if ((flag & FLAG_FORWARD_PROGRESS) || !(flag & FLAG_NOT_DUP))
 		sk_dst_confirm(sk);
 

net/ipv4/tcp_output.c

@@ -4099,6 +4099,8 @@ void tcp_send_probe0(struct sock *sk)
 		 */
 		timeout = TCP_RESOURCE_PROBE_INTERVAL;
 	}
+
+	timeout = tcp_clamp_probe0_to_user_timeout(sk, timeout);
 	tcp_reset_xmit_timer(sk, ICSK_TIME_PROBE0, timeout, TCP_RTO_MAX);
 }
 

net/ipv4/tcp_recovery.c

@@ -96,13 +96,13 @@ static void tcp_rack_detect_loss(struct sock *sk, u32 *reo_timeout)
 	}
 }
 
-void tcp_rack_mark_lost(struct sock *sk)
+bool tcp_rack_mark_lost(struct sock *sk)
 {
 	struct tcp_sock *tp = tcp_sk(sk);
 	u32 timeout;
 
 	if (!tp->rack.advanced)
-		return;
+		return false;
 
 	/* Reset the advanced flag to avoid unnecessary queue scanning */
 	tp->rack.advanced = 0;
@@ -112,6 +112,7 @@ void tcp_rack_mark_lost(struct sock *sk)
 		inet_csk_reset_xmit_timer(sk, ICSK_TIME_REO_TIMEOUT,
 					  timeout, inet_csk(sk)->icsk_rto);
 	}
+	return !!timeout;
 }
 
 /* Record the most recently (re)sent time among the (s)acked packets

net/ipv4/tcp_timer.c

@@ -40,6 +40,24 @@ static u32 tcp_clamp_rto_to_user_timeout(const struct sock *sk)
 	return min_t(u32, icsk->icsk_rto, msecs_to_jiffies(remaining));
 }
 
+u32 tcp_clamp_probe0_to_user_timeout(const struct sock *sk, u32 when)
+{
+	struct inet_connection_sock *icsk = inet_csk(sk);
+	u32 remaining;
+	s32 elapsed;
+
+	if (!icsk->icsk_user_timeout || !icsk->icsk_probes_tstamp)
+		return when;
+
+	elapsed = tcp_jiffies32 - icsk->icsk_probes_tstamp;
+	if (unlikely(elapsed < 0))
+		elapsed = 0;
+	remaining = msecs_to_jiffies(icsk->icsk_user_timeout) - elapsed;
+	remaining = max_t(u32, remaining, TCP_TIMEOUT_MIN);
+
+	return min_t(u32, remaining, when);
+}
+
 /**
  *  tcp_write_err() - close socket and save error info
  *  @sk:  The socket the error has appeared on.

net/key/af_key.c

@@ -2902,7 +2902,7 @@ static int count_ah_combs(const struct xfrm_tmpl *t)
 			break;
 		if (!aalg->pfkey_supported)
 			continue;
-		if (aalg_tmpl_set(t, aalg) && aalg->available)
+		if (aalg_tmpl_set(t, aalg))
 			sz += sizeof(struct sadb_comb);
 	}
 	return sz + sizeof(struct sadb_prop);
@@ -2920,7 +2920,7 @@ static int count_esp_combs(const struct xfrm_tmpl *t)
 		if (!ealg->pfkey_supported)
 			continue;
 
-		if (!(ealg_tmpl_set(t, ealg) && ealg->available))
+		if (!(ealg_tmpl_set(t, ealg)))
 			continue;
 
 		for (k = 1; ; k++) {
@@ -2931,7 +2931,7 @@ static int count_esp_combs(const struct xfrm_tmpl *t)
 			if (!aalg->pfkey_supported)
 				continue;
 
-			if (aalg_tmpl_set(t, aalg) && aalg->available)
+			if (aalg_tmpl_set(t, aalg))
 				sz += sizeof(struct sadb_comb);
 		}
 	}

net/lapb/lapb_iface.c

@@ -122,6 +122,8 @@ static struct lapb_cb *lapb_create_cb(void)
 
 	timer_setup(&lapb->t1timer, NULL, 0);
 	timer_setup(&lapb->t2timer, NULL, 0);
+	lapb->t1timer_stop = true;
+	lapb->t2timer_stop = true;
 
 	lapb->t1      = LAPB_DEFAULT_T1;
 	lapb->t2      = LAPB_DEFAULT_T2;
@@ -129,6 +131,8 @@ static struct lapb_cb *lapb_create_cb(void)
 	lapb->mode    = LAPB_DEFAULT_MODE;
 	lapb->window  = LAPB_DEFAULT_WINDOW;
 	lapb->state   = LAPB_STATE_0;
+
+	spin_lock_init(&lapb->lock);
 	refcount_set(&lapb->refcnt, 1);
 out:
 	return lapb;
@@ -178,11 +182,23 @@ int lapb_unregister(struct net_device *dev)
 		goto out;
 	lapb_put(lapb);
 
+	/* Wait for other refs to "lapb" to drop */
+	while (refcount_read(&lapb->refcnt) > 2)
+		usleep_range(1, 10);
+
+	spin_lock_bh(&lapb->lock);
+
 	lapb_stop_t1timer(lapb);
 	lapb_stop_t2timer(lapb);
 
 	lapb_clear_queues(lapb);
 
+	spin_unlock_bh(&lapb->lock);
+
+	/* Wait for running timers to stop */
+	del_timer_sync(&lapb->t1timer);
+	del_timer_sync(&lapb->t2timer);
+
 	__lapb_remove_cb(lapb);
 
 	lapb_put(lapb);
@@ -201,6 +217,8 @@ int lapb_getparms(struct net_device *dev, struct lapb_parms_struct *parms)
 	if (!lapb)
 		goto out;
 
+	spin_lock_bh(&lapb->lock);
+
 	parms->t1      = lapb->t1 / HZ;
 	parms->t2      = lapb->t2 / HZ;
 	parms->n2      = lapb->n2;
@@ -219,6 +237,7 @@ int lapb_getparms(struct net_device *dev, struct lapb_parms_struct *parms)
 	else
 		parms->t2timer = (lapb->t2timer.expires - jiffies) / HZ;
 
+	spin_unlock_bh(&lapb->lock);
 	lapb_put(lapb);
 	rc = LAPB_OK;
 out:
@@ -234,6 +253,8 @@ int lapb_setparms(struct net_device *dev, struct lapb_parms_struct *parms)
 	if (!lapb)
 		goto out;
 
+	spin_lock_bh(&lapb->lock);
+
 	rc = LAPB_INVALUE;
 	if (parms->t1 < 1 || parms->t2 < 1 || parms->n2 < 1)
 		goto out_put;
@@ -256,6 +277,7 @@ int lapb_setparms(struct net_device *dev, struct lapb_parms_struct *parms)
 
 	rc = LAPB_OK;
 out_put:
+	spin_unlock_bh(&lapb->lock);
 	lapb_put(lapb);
 out:
 	return rc;
@@ -270,6 +292,8 @@ int lapb_connect_request(struct net_device *dev)
 	if (!lapb)
 		goto out;
 
+	spin_lock_bh(&lapb->lock);
+
 	rc = LAPB_OK;
 	if (lapb->state == LAPB_STATE_1)
 		goto out_put;
@@ -285,24 +309,18 @@ int lapb_connect_request(struct net_device *dev)
 
 	rc = LAPB_OK;
 out_put:
+	spin_unlock_bh(&lapb->lock);
 	lapb_put(lapb);
 out:
 	return rc;
 }
 EXPORT_SYMBOL(lapb_connect_request);
 
-int lapb_disconnect_request(struct net_device *dev)
+static int __lapb_disconnect_request(struct lapb_cb *lapb)
 {
-	struct lapb_cb *lapb = lapb_devtostruct(dev);
-	int rc = LAPB_BADTOKEN;
-
-	if (!lapb)
-		goto out;
-
 	switch (lapb->state) {
 	case LAPB_STATE_0:
-		rc = LAPB_NOTCONNECTED;
+		return LAPB_NOTCONNECTED;
-		goto out_put;
 
 	case LAPB_STATE_1:
 		lapb_dbg(1, "(%p) S1 TX DISC(1)\n", lapb->dev);
@@ -310,12 +328,10 @@ int lapb_disconnect_request(struct net_device *dev)
 		lapb_send_control(lapb, LAPB_DISC, LAPB_POLLON, LAPB_COMMAND);
 		lapb->state = LAPB_STATE_0;
 		lapb_start_t1timer(lapb);
-		rc = LAPB_NOTCONNECTED;
+		return LAPB_NOTCONNECTED;
-		goto out_put;
 
 	case LAPB_STATE_2:
-		rc = LAPB_OK;
+		return LAPB_OK;
-		goto out_put;
 	}
 
 	lapb_clear_queues(lapb);
@@ -328,8 +344,22 @@ int lapb_disconnect_request(struct net_device *dev)
 	lapb_dbg(1, "(%p) S3 DISC(1)\n", lapb->dev);
 	lapb_dbg(0, "(%p) S3 -> S2\n", lapb->dev);
 
-	rc = LAPB_OK;
+	return LAPB_OK;
-out_put:
+}
+
+int lapb_disconnect_request(struct net_device *dev)
+{
+	struct lapb_cb *lapb = lapb_devtostruct(dev);
+	int rc = LAPB_BADTOKEN;
+
+	if (!lapb)
+		goto out;
+
+	spin_lock_bh(&lapb->lock);
+
+	rc = __lapb_disconnect_request(lapb);
+
+	spin_unlock_bh(&lapb->lock);
 	lapb_put(lapb);
 out:
 	return rc;
@@ -344,6 +374,8 @@ int lapb_data_request(struct net_device *dev, struct sk_buff *skb)
 	if (!lapb)
 		goto out;
 
+	spin_lock_bh(&lapb->lock);
+
 	rc = LAPB_NOTCONNECTED;
 	if (lapb->state != LAPB_STATE_3 && lapb->state != LAPB_STATE_4)
 		goto out_put;
@@ -352,6 +384,7 @@ int lapb_data_request(struct net_device *dev, struct sk_buff *skb)
 	lapb_kick(lapb);
 	rc = LAPB_OK;
 out_put:
+	spin_unlock_bh(&lapb->lock);
 	lapb_put(lapb);
 out:
 	return rc;
@@ -364,7 +397,9 @@ int lapb_data_received(struct net_device *dev, struct sk_buff *skb)
 	int rc = LAPB_BADTOKEN;
 
 	if (lapb) {
+		spin_lock_bh(&lapb->lock);
 		lapb_data_input(lapb, skb);
+		spin_unlock_bh(&lapb->lock);
 		lapb_put(lapb);
 		rc = LAPB_OK;
 	}
@@ -435,6 +470,8 @@ static int lapb_device_event(struct notifier_block *this, unsigned long event,
 	if (!lapb)
 		return NOTIFY_DONE;
 
+	spin_lock_bh(&lapb->lock);
+
 	switch (event) {
 	case NETDEV_UP:
 		lapb_dbg(0, "(%p) Interface up: %s\n", dev, dev->name);
@@ -454,7 +491,7 @@ static int lapb_device_event(struct notifier_block *this, unsigned long event,
 		break;
 	case NETDEV_GOING_DOWN:
 		if (netif_carrier_ok(dev))
-			lapb_disconnect_request(dev);
+			__lapb_disconnect_request(lapb);
 		break;
 	case NETDEV_DOWN:
 		lapb_dbg(0, "(%p) Interface down: %s\n", dev, dev->name);
@@ -489,6 +526,7 @@ static int lapb_device_event(struct notifier_block *this, unsigned long event,
 		break;
 	}
 
+	spin_unlock_bh(&lapb->lock);
 	lapb_put(lapb);
 	return NOTIFY_DONE;
 }

net/lapb/lapb_timer.c

@@ -40,6 +40,7 @@ void lapb_start_t1timer(struct lapb_cb *lapb)
 	lapb->t1timer.function = lapb_t1timer_expiry;
 	lapb->t1timer.expires  = jiffies + lapb->t1;
 
+	lapb->t1timer_stop = false;
 	add_timer(&lapb->t1timer);
 }
 
@@ -50,16 +51,19 @@ void lapb_start_t2timer(struct lapb_cb *lapb)
 	lapb->t2timer.function = lapb_t2timer_expiry;
 	lapb->t2timer.expires  = jiffies + lapb->t2;
 
+	lapb->t2timer_stop = false;
 	add_timer(&lapb->t2timer);
 }
 
 void lapb_stop_t1timer(struct lapb_cb *lapb)
 {
+	lapb->t1timer_stop = true;
 	del_timer(&lapb->t1timer);
 }
 
 void lapb_stop_t2timer(struct lapb_cb *lapb)
 {
+	lapb->t2timer_stop = true;
 	del_timer(&lapb->t2timer);
 }
 
@@ -72,16 +76,31 @@ static void lapb_t2timer_expiry(struct timer_list *t)
 {
 	struct lapb_cb *lapb = from_timer(lapb, t, t2timer);
 
+	spin_lock_bh(&lapb->lock);
+	if (timer_pending(&lapb->t2timer)) /* A new timer has been set up */
+		goto out;
+	if (lapb->t2timer_stop) /* The timer has been stopped */
+		goto out;
+
 	if (lapb->condition & LAPB_ACK_PENDING_CONDITION) {
 		lapb->condition &= ~LAPB_ACK_PENDING_CONDITION;
 		lapb_timeout_response(lapb);
 	}
+
+out:
+	spin_unlock_bh(&lapb->lock);
 }
 
 static void lapb_t1timer_expiry(struct timer_list *t)
 {
 	struct lapb_cb *lapb = from_timer(lapb, t, t1timer);
 
+	spin_lock_bh(&lapb->lock);
+	if (timer_pending(&lapb->t1timer)) /* A new timer has been set up */
+		goto out;
+	if (lapb->t1timer_stop) /* The timer has been stopped */
+		goto out;
+
 	switch (lapb->state) {
 
 		/*
@@ -108,7 +127,7 @@ static void lapb_t1timer_expiry(struct timer_list *t)
 				lapb->state = LAPB_STATE_0;
 				lapb_disconnect_indication(lapb, LAPB_TIMEDOUT);
 				lapb_dbg(0, "(%p) S1 -> S0\n", lapb->dev);
-				return;
+				goto out;
 			} else {
 				lapb->n2count++;
 				if (lapb->mode & LAPB_EXTENDED) {
@@ -132,7 +151,7 @@ static void lapb_t1timer_expiry(struct timer_list *t)
 				lapb->state = LAPB_STATE_0;
 				lapb_disconnect_confirmation(lapb, LAPB_TIMEDOUT);
 				lapb_dbg(0, "(%p) S2 -> S0\n", lapb->dev);
-				return;
+				goto out;
 			} else {
 				lapb->n2count++;
 				lapb_dbg(1, "(%p) S2 TX DISC(1)\n", lapb->dev);
@@ -150,7 +169,7 @@ static void lapb_t1timer_expiry(struct timer_list *t)
 				lapb_stop_t2timer(lapb);
 				lapb_disconnect_indication(lapb, LAPB_TIMEDOUT);
 				lapb_dbg(0, "(%p) S3 -> S0\n", lapb->dev);
-				return;
+				goto out;
 			} else {
 				lapb->n2count++;
 				lapb_requeue_frames(lapb);
@@ -167,7 +186,7 @@ static void lapb_t1timer_expiry(struct timer_list *t)
 				lapb->state = LAPB_STATE_0;
 				lapb_disconnect_indication(lapb, LAPB_TIMEDOUT);
 				lapb_dbg(0, "(%p) S4 -> S0\n", lapb->dev);
-				return;
+				goto out;
 			} else {
 				lapb->n2count++;
 				lapb_transmit_frmr(lapb);
@@ -176,4 +195,7 @@ static void lapb_t1timer_expiry(struct timer_list *t)
 	}
 
 	lapb_start_t1timer(lapb);
+
+out:
+	spin_unlock_bh(&lapb->lock);
 }

net/mac80211/ieee80211_i.h

@@ -1078,6 +1078,7 @@ enum queue_stop_reason {
 	IEEE80211_QUEUE_STOP_REASON_FLUSH,
 	IEEE80211_QUEUE_STOP_REASON_TDLS_TEARDOWN,
 	IEEE80211_QUEUE_STOP_REASON_RESERVE_TID,
+	IEEE80211_QUEUE_STOP_REASON_IFTYPE_CHANGE,
 
 	IEEE80211_QUEUE_STOP_REASONS,
 };

net/mac80211/iface.c

@@ -1617,6 +1617,10 @@ static int ieee80211_runtime_change_iftype(struct ieee80211_sub_if_data *sdata,
 	if (ret)
 		return ret;
 
+	ieee80211_stop_vif_queues(local, sdata,
+				  IEEE80211_QUEUE_STOP_REASON_IFTYPE_CHANGE);
+	synchronize_net();
+
 	ieee80211_do_stop(sdata, false);
 
 	ieee80211_teardown_sdata(sdata);
@@ -1639,6 +1643,8 @@ static int ieee80211_runtime_change_iftype(struct ieee80211_sub_if_data *sdata,
 	err = ieee80211_do_open(&sdata->wdev, false);
 	WARN(err, "type change: do_open returned %d", err);
 
+	ieee80211_wake_vif_queues(local, sdata,
+				  IEEE80211_QUEUE_STOP_REASON_IFTYPE_CHANGE);
 	return ret;
 }
 

net/mac80211/spectmgmt.c

@@ -133,16 +133,20 @@ int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata,
 	}
 
 	if (wide_bw_chansw_ie) {
+		u8 new_seg1 = wide_bw_chansw_ie->new_center_freq_seg1;
 		struct ieee80211_vht_operation vht_oper = {
 			.chan_width =
 				wide_bw_chansw_ie->new_channel_width,
 			.center_freq_seg0_idx =
 				wide_bw_chansw_ie->new_center_freq_seg0,
-			.center_freq_seg1_idx =
+			.center_freq_seg1_idx = new_seg1,
-				wide_bw_chansw_ie->new_center_freq_seg1,
 			/* .basic_mcs_set doesn't matter */
 		};
-		struct ieee80211_ht_operation ht_oper = {};
+		struct ieee80211_ht_operation ht_oper = {
+			.operation_mode =
+				cpu_to_le16(new_seg1 <<
+					    IEEE80211_HT_OP_MODE_CCFS2_SHIFT),
+		};
 
 		/* default, for the case of IEEE80211_VHT_CHANWIDTH_USE_HT,
 		 * to the previously parsed chandef

net/netfilter/nf_tables_api.c

@@ -5235,9 +5235,8 @@ static void nf_tables_set_elem_destroy(const struct nft_ctx *ctx,
 	kfree(elem);
 }
 
-static int nft_set_elem_expr_clone(const struct nft_ctx *ctx,
+int nft_set_elem_expr_clone(const struct nft_ctx *ctx, struct nft_set *set,
-				   struct nft_set *set,
+			    struct nft_expr *expr_array[])
-				   struct nft_expr *expr_array[])
 {
 	struct nft_expr *expr;
 	int err, i, k;

net/netfilter/nft_dynset.c

@@ -295,6 +295,12 @@ static int nft_dynset_init(const struct nft_ctx *ctx,
 			err = -EOPNOTSUPP;
 			goto err_expr_free;
 		}
+	} else if (set->num_exprs > 0) {
+		err = nft_set_elem_expr_clone(ctx, set, priv->expr_array);
+		if (err < 0)
+			return err;
+
+		priv->num_exprs = set->num_exprs;
 	}
 
 	nft_set_ext_prepare(&priv->tmpl);
@@ -306,8 +312,10 @@ static int nft_dynset_init(const struct nft_ctx *ctx,
 		nft_dynset_ext_add_expr(priv);
 
 	if (set->flags & NFT_SET_TIMEOUT) {
-		if (timeout || set->timeout)
+		if (timeout || set->timeout) {
+			nft_set_ext_add(&priv->tmpl, NFT_SET_EXT_TIMEOUT);
 			nft_set_ext_add(&priv->tmpl, NFT_SET_EXT_EXPIRATION);
+		}
 	}
 
 	priv->timeout = timeout;
@@ -376,22 +384,25 @@ static int nft_dynset_dump(struct sk_buff *skb, const struct nft_expr *expr)
 			 nf_jiffies64_to_msecs(priv->timeout),
 			 NFTA_DYNSET_PAD))
 		goto nla_put_failure;
-	if (priv->num_exprs == 1) {
+	if (priv->set->num_exprs == 0) {
-		if (nft_expr_dump(skb, NFTA_DYNSET_EXPR, priv->expr_array[0]))
+		if (priv->num_exprs == 1) {
-			goto nla_put_failure;
+			if (nft_expr_dump(skb, NFTA_DYNSET_EXPR,
-	} else if (priv->num_exprs > 1) {
+					  priv->expr_array[0]))
-		struct nlattr *nest;
-
-		nest = nla_nest_start_noflag(skb, NFTA_DYNSET_EXPRESSIONS);
-		if (!nest)
-			goto nla_put_failure;
-
-		for (i = 0; i < priv->num_exprs; i++) {
-			if (nft_expr_dump(skb, NFTA_LIST_ELEM,
-					  priv->expr_array[i]))
 				goto nla_put_failure;
+		} else if (priv->num_exprs > 1) {
+			struct nlattr *nest;
+
+			nest = nla_nest_start_noflag(skb, NFTA_DYNSET_EXPRESSIONS);
+			if (!nest)
+				goto nla_put_failure;
+
+			for (i = 0; i < priv->num_exprs; i++) {
+				if (nft_expr_dump(skb, NFTA_LIST_ELEM,
+						  priv->expr_array[i]))
+					goto nla_put_failure;
+			}
+			nla_nest_end(skb, nest);
 		}
-		nla_nest_end(skb, nest);
 	}
 	if (nla_put_be32(skb, NFTA_DYNSET_FLAGS, htonl(flags)))
 		goto nla_put_failure;

net/nfc/netlink.c

@@ -852,6 +852,7 @@ static int nfc_genl_stop_poll(struct sk_buff *skb, struct genl_info *info)
 
 	if (!dev->polling) {
 		device_unlock(&dev->dev);
+		nfc_put_device(dev);
 		return -EINVAL;
 	}
 

net/nfc/rawsock.c

@@ -105,7 +105,7 @@ static int rawsock_connect(struct socket *sock, struct sockaddr *_addr,
 	if (addr->target_idx > dev->target_next_idx - 1 ||
 	    addr->target_idx < dev->target_next_idx - dev->n_targets) {
 		rc = -EINVAL;
-		goto error;
+		goto put_dev;
 	}
 
 	rc = nfc_activate_target(dev, addr->target_idx, addr->nfc_protocol);

net/rxrpc/call_accept.c

@@ -197,6 +197,7 @@ void rxrpc_discard_prealloc(struct rxrpc_sock *rx)
 	tail = b->peer_backlog_tail;
 	while (CIRC_CNT(head, tail, size) > 0) {
 		struct rxrpc_peer *peer = b->peer_backlog[tail];
+		rxrpc_put_local(peer->local);
 		kfree(peer);
 		tail = (tail + 1) & (size - 1);
 	}

net/switchdev/switchdev.c

@@ -460,10 +460,11 @@ static int __switchdev_handle_port_obj_add(struct net_device *dev,
 	extack = switchdev_notifier_info_to_extack(&port_obj_info->info);
 
 	if (check_cb(dev)) {
-		/* This flag is only checked if the return value is success. */
+		err = add_cb(dev, port_obj_info->obj, port_obj_info->trans,
-		port_obj_info->handled = true;
+			     extack);
-		return add_cb(dev, port_obj_info->obj, port_obj_info->trans,
+		if (err != -EOPNOTSUPP)
-			      extack);
+			port_obj_info->handled = true;
+		return err;
 	}
 
 	/* Switch ports might be stacked under e.g. a LAG. Ignore the
@@ -515,9 +516,10 @@ static int __switchdev_handle_port_obj_del(struct net_device *dev,
 	int err = -EOPNOTSUPP;
 
 	if (check_cb(dev)) {
-		/* This flag is only checked if the return value is success. */
+		err = del_cb(dev, port_obj_info->obj);
-		port_obj_info->handled = true;
+		if (err != -EOPNOTSUPP)
-		return del_cb(dev, port_obj_info->obj);
+			port_obj_info->handled = true;
+		return err;
 	}
 
 	/* Switch ports might be stacked under e.g. a LAG. Ignore the
@@ -568,9 +570,10 @@ static int __switchdev_handle_port_attr_set(struct net_device *dev,
 	int err = -EOPNOTSUPP;
 
 	if (check_cb(dev)) {
-		port_attr_info->handled = true;
+		err = set_cb(dev, port_attr_info->attr, port_attr_info->trans);
-		return set_cb(dev, port_attr_info->attr,
+		if (err != -EOPNOTSUPP)
-			      port_attr_info->trans);
+			port_attr_info->handled = true;
+		return err;
 	}
 
 	/* Switch ports might be stacked under e.g. a LAG. Ignore the

net/wireless/wext-core.c

@@ -896,8 +896,9 @@ out:
 int call_commit_handler(struct net_device *dev)
 {
 #ifdef CONFIG_WIRELESS_EXT
-	if ((netif_running(dev)) &&
+	if (netif_running(dev) &&
-	   (dev->wireless_handlers->standard[0] != NULL))
+	    dev->wireless_handlers &&
+	    dev->wireless_handlers->standard[0])
 		/* Call the commit handler on the driver */
 		return dev->wireless_handlers->standard[0](dev, NULL,
 							   NULL, NULL);

net/xfrm/xfrm_input.c

@@ -660,7 +660,7 @@ resume:
 		/* only the first xfrm gets the encap type */
 		encap_type = 0;
 
-		if (async && x->repl->recheck(x, skb, seq)) {
+		if (x->repl->recheck(x, skb, seq)) {
 			XFRM_INC_STATS(net, LINUX_MIB_XFRMINSTATESEQERROR);
 			goto drop_unlock;
 		}

net/xfrm/xfrm_policy.c

@@ -793,15 +793,22 @@ static int xfrm_policy_addr_delta(const xfrm_address_t *a,
 				  const xfrm_address_t *b,
 				  u8 prefixlen, u16 family)
 {
+	u32 ma, mb, mask;
 	unsigned int pdw, pbi;
 	int delta = 0;
 
 	switch (family) {
 	case AF_INET:
-		if (sizeof(long) == 4 && prefixlen == 0)
+		if (prefixlen == 0)
-			return ntohl(a->a4) - ntohl(b->a4);
+			return 0;
-		return (ntohl(a->a4) & ((~0UL << (32 - prefixlen)))) -
+		mask = ~0U << (32 - prefixlen);
-		       (ntohl(b->a4) & ((~0UL << (32 - prefixlen))));
+		ma = ntohl(a->a4) & mask;
+		mb = ntohl(b->a4) & mask;
+		if (ma < mb)
+			delta = -1;
+		else if (ma > mb)
+			delta = 1;
+		break;
 	case AF_INET6:
 		pdw = prefixlen >> 5;
 		pbi = prefixlen & 0x1f;
@@ -812,10 +819,13 @@ static int xfrm_policy_addr_delta(const xfrm_address_t *a,
 				return delta;
 		}
 		if (pbi) {
-			u32 mask = ~0u << (32 - pbi);
+			mask = ~0U << (32 - pbi);
-
+			ma = ntohl(a->a6[pdw]) & mask;
-			delta = (ntohl(a->a6[pdw]) & mask) -
+			mb = ntohl(b->a6[pdw]) & mask;
-				(ntohl(b->a6[pdw]) & mask);
+			if (ma < mb)
+				delta = -1;
+			else if (ma > mb)
+				delta = 1;
 		}
 		break;
 	default:
@@ -3078,8 +3088,8 @@ struct dst_entry *xfrm_lookup_with_ifid(struct net *net,
 		xflo.flags = flags;
 
 		/* To accelerate a bit...  */
-		if ((dst_orig->flags & DST_NOXFRM) ||
+		if (!if_id && ((dst_orig->flags & DST_NOXFRM) ||
-		    !net->xfrm.policy_count[XFRM_POLICY_OUT])
+			       !net->xfrm.policy_count[XFRM_POLICY_OUT]))
 			goto nopol;
 
 		xdst = xfrm_bundle_lookup(net, fl, family, dir, &xflo, if_id);

tools/testing/selftests/net/forwarding/router_mpath_nh.sh

@@ -203,7 +203,7 @@ multipath4_test()
 	t0_rp12=$(link_stats_tx_packets_get $rp12)
 	t0_rp13=$(link_stats_tx_packets_get $rp13)
 
-	ip vrf exec vrf-h1 $MZ -q -p 64 -A 192.0.2.2 -B 198.51.100.2 \
+	ip vrf exec vrf-h1 $MZ $h1 -q -p 64 -A 192.0.2.2 -B 198.51.100.2 \
 		-d 1msec -t udp "sp=1024,dp=0-32768"
 
 	t1_rp12=$(link_stats_tx_packets_get $rp12)

tools/testing/selftests/net/forwarding/router_multipath.sh

@@ -178,7 +178,7 @@ multipath4_test()
        t0_rp12=$(link_stats_tx_packets_get $rp12)
        t0_rp13=$(link_stats_tx_packets_get $rp13)
 
-       ip vrf exec vrf-h1 $MZ -q -p 64 -A 192.0.2.2 -B 198.51.100.2 \
+       ip vrf exec vrf-h1 $MZ $h1 -q -p 64 -A 192.0.2.2 -B 198.51.100.2 \
 	       -d 1msec -t udp "sp=1024,dp=0-32768"
 
        t1_rp12=$(link_stats_tx_packets_get $rp12)

tools/testing/selftests/net/xfrm_policy.sh

@@ -202,7 +202,7 @@ check_xfrm() {
 	# 1: iptables -m policy rule count != 0
 	rval=$1
 	ip=$2
-	lret=0
+	local lret=0
 
 	ip netns exec ns1 ping -q -c 1 10.0.2.$ip > /dev/null
 
@@ -287,6 +287,47 @@ check_hthresh_repeat()
 	return 0
 }
 
+# insert non-overlapping policies in a random order and check that
+# all of them can be fetched using the traffic selectors.
+check_random_order()
+{
+	local ns=$1
+	local log=$2
+
+	for i in $(seq 100); do
+		ip -net $ns xfrm policy flush
+		for j in $(seq 0 16 255 | sort -R); do
+			ip -net $ns xfrm policy add dst $j.0.0.0/24 dir out priority 10 action allow
+		done
+		for j in $(seq 0 16 255); do
+			if ! ip -net $ns xfrm policy get dst $j.0.0.0/24 dir out > /dev/null; then
+				echo "FAIL: $log" 1>&2
+				return 1
+			fi
+		done
+	done
+
+	for i in $(seq 100); do
+		ip -net $ns xfrm policy flush
+		for j in $(seq 0 16 255 | sort -R); do
+			local addr=$(printf "e000:0000:%02x00::/56" $j)
+			ip -net $ns xfrm policy add dst $addr dir out priority 10 action allow
+		done
+		for j in $(seq 0 16 255); do
+			local addr=$(printf "e000:0000:%02x00::/56" $j)
+			if ! ip -net $ns xfrm policy get dst $addr dir out > /dev/null; then
+				echo "FAIL: $log" 1>&2
+				return 1
+			fi
+		done
+	done
+
+	ip -net $ns xfrm policy flush
+
+	echo "PASS: $log"
+	return 0
+}
+
 #check for needed privileges
 if [ "$(id -u)" -ne 0 ];then
 	echo "SKIP: Need root privileges"
@@ -438,6 +479,8 @@ check_exceptions "exceptions and block policies after htresh change to normal"
 
 check_hthresh_repeat "policies with repeated htresh change"
 
+check_random_order ns3 "policies inserted in random order"
+
 for i in 1 2 3 4;do ip netns del ns$i;done
 
 exit $ret