diff --git a/MAINTAINERS b/MAINTAINERS
index f794002a192e..6992b7cc7095 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -19140,6 +19140,9 @@ SHARED MEMORY COMMUNICATIONS (SMC) SOCKETS
 M:	Karsten Graul <kgraul@linux.ibm.com>
 M:	Wenjia Zhang <wenjia@linux.ibm.com>
 M:	Jan Karcher <jaka@linux.ibm.com>
+R:	D. Wythe <alibuda@linux.alibaba.com>
+R:	Tony Lu <tonylu@linux.alibaba.com>
+R:	Wen Gu <guwen@linux.alibaba.com>
 L:	linux-s390@vger.kernel.org
 S:	Supported
 F:	net/smc/
diff --git a/drivers/net/dsa/ocelot/felix_vsc9959.c b/drivers/net/dsa/ocelot/felix_vsc9959.c
index cfb3faeaa5bf..d172a3e9736c 100644
--- a/drivers/net/dsa/ocelot/felix_vsc9959.c
+++ b/drivers/net/dsa/ocelot/felix_vsc9959.c
@@ -1263,7 +1263,7 @@ static void vsc9959_tas_guard_bands_update(struct ocelot *ocelot, int port)
 	/* Consider the standard Ethernet overhead of 8 octets preamble+SFD,
 	 * 4 octets FCS, 12 octets IFG.
 	 */
-	needed_bit_time_ps = (maxlen + 24) * picos_per_byte;
+	needed_bit_time_ps = (u64)(maxlen + 24) * picos_per_byte;
 
 	dev_dbg(ocelot->dev,
 		"port %d: max frame size %d needs %llu ps at speed %d\n",
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index 637d162bbcfa..1e7a6f1d4223 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -14294,11 +14294,16 @@ static void bnx2x_io_resume(struct pci_dev *pdev)
 	bp->fw_seq = SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
 							DRV_MSG_SEQ_NUMBER_MASK;
 
-	if (netif_running(dev))
-		bnx2x_nic_load(bp, LOAD_NORMAL);
+	if (netif_running(dev)) {
+		if (bnx2x_nic_load(bp, LOAD_NORMAL)) {
+			netdev_err(bp->dev, "Error during driver initialization, try unloading/reloading the driver\n");
+			goto done;
+		}
+	}
 
 	netif_device_attach(dev);
 
+done:
 	rtnl_unlock();
 }
 
diff --git a/drivers/net/ethernet/freescale/enetc/enetc_qos.c b/drivers/net/ethernet/freescale/enetc/enetc_qos.c
index 83c27bbbc6ed..126007ab70f6 100644
--- a/drivers/net/ethernet/freescale/enetc/enetc_qos.c
+++ b/drivers/net/ethernet/freescale/enetc/enetc_qos.c
@@ -181,8 +181,8 @@ int enetc_setup_tc_cbs(struct net_device *ndev, void *type_data)
 	int bw_sum = 0;
 	u8 bw;
 
-	prio_top = netdev_get_prio_tc_map(ndev, tc_nums - 1);
-	prio_next = netdev_get_prio_tc_map(ndev, tc_nums - 2);
+	prio_top = tc_nums - 1;
+	prio_next = tc_nums - 2;
 
 	/* Support highest prio and second prio tc in cbs mode */
 	if (tc != prio_top && tc != prio_next)
diff --git a/drivers/net/ethernet/intel/iavf/iavf.h b/drivers/net/ethernet/intel/iavf/iavf.h
index 9abaff1f2aff..39d0fe76a38f 100644
--- a/drivers/net/ethernet/intel/iavf/iavf.h
+++ b/drivers/net/ethernet/intel/iavf/iavf.h
@@ -525,7 +525,7 @@ void iavf_set_ethtool_ops(struct net_device *netdev);
 void iavf_update_stats(struct iavf_adapter *adapter);
 void iavf_reset_interrupt_capability(struct iavf_adapter *adapter);
 int iavf_init_interrupt_scheme(struct iavf_adapter *adapter);
-void iavf_irq_enable_queues(struct iavf_adapter *adapter, u32 mask);
+void iavf_irq_enable_queues(struct iavf_adapter *adapter);
 void iavf_free_all_tx_resources(struct iavf_adapter *adapter);
 void iavf_free_all_rx_resources(struct iavf_adapter *adapter);
 
diff --git a/drivers/net/ethernet/intel/iavf/iavf_main.c b/drivers/net/ethernet/intel/iavf/iavf_main.c
index 2de4baff4c20..4a66873882d1 100644
--- a/drivers/net/ethernet/intel/iavf/iavf_main.c
+++ b/drivers/net/ethernet/intel/iavf/iavf_main.c
@@ -359,21 +359,18 @@ static void iavf_irq_disable(struct iavf_adapter *adapter)
 }
 
 /**
- * iavf_irq_enable_queues - Enable interrupt for specified queues
+ * iavf_irq_enable_queues - Enable interrupt for all queues
  * @adapter: board private structure
- * @mask: bitmap of queues to enable
  **/
-void iavf_irq_enable_queues(struct iavf_adapter *adapter, u32 mask)
+void iavf_irq_enable_queues(struct iavf_adapter *adapter)
 {
 	struct iavf_hw *hw = &adapter->hw;
 	int i;
 
 	for (i = 1; i < adapter->num_msix_vectors; i++) {
-		if (mask & BIT(i - 1)) {
-			wr32(hw, IAVF_VFINT_DYN_CTLN1(i - 1),
-			     IAVF_VFINT_DYN_CTLN1_INTENA_MASK |
-			     IAVF_VFINT_DYN_CTLN1_ITR_INDX_MASK);
-		}
+		wr32(hw, IAVF_VFINT_DYN_CTLN1(i - 1),
+		     IAVF_VFINT_DYN_CTLN1_INTENA_MASK |
+		     IAVF_VFINT_DYN_CTLN1_ITR_INDX_MASK);
 	}
 }
 
@@ -387,7 +384,7 @@ void iavf_irq_enable(struct iavf_adapter *adapter, bool flush)
 	struct iavf_hw *hw = &adapter->hw;
 
 	iavf_misc_irq_enable(adapter);
-	iavf_irq_enable_queues(adapter, ~0);
+	iavf_irq_enable_queues(adapter);
 
 	if (flush)
 		iavf_flush(hw);
diff --git a/drivers/net/ethernet/intel/iavf/iavf_register.h b/drivers/net/ethernet/intel/iavf/iavf_register.h
index bf793332fc9d..a19e88898a0b 100644
--- a/drivers/net/ethernet/intel/iavf/iavf_register.h
+++ b/drivers/net/ethernet/intel/iavf/iavf_register.h
@@ -40,7 +40,7 @@
 #define IAVF_VFINT_DYN_CTL01_INTENA_MASK IAVF_MASK(0x1, IAVF_VFINT_DYN_CTL01_INTENA_SHIFT)
 #define IAVF_VFINT_DYN_CTL01_ITR_INDX_SHIFT 3
 #define IAVF_VFINT_DYN_CTL01_ITR_INDX_MASK IAVF_MASK(0x3, IAVF_VFINT_DYN_CTL01_ITR_INDX_SHIFT)
-#define IAVF_VFINT_DYN_CTLN1(_INTVF) (0x00003800 + ((_INTVF) * 4)) /* _i=0...15 */ /* Reset: VFR */
+#define IAVF_VFINT_DYN_CTLN1(_INTVF) (0x00003800 + ((_INTVF) * 4)) /* _i=0...63 */ /* Reset: VFR */
 #define IAVF_VFINT_DYN_CTLN1_INTENA_SHIFT 0
 #define IAVF_VFINT_DYN_CTLN1_INTENA_MASK IAVF_MASK(0x1, IAVF_VFINT_DYN_CTLN1_INTENA_SHIFT)
 #define IAVF_VFINT_DYN_CTLN1_SWINT_TRIG_SHIFT 2
diff --git a/drivers/net/ethernet/intel/ice/ice_gnss.c b/drivers/net/ethernet/intel/ice/ice_gnss.c
index bd0ed155e11b..75c9de675f20 100644
--- a/drivers/net/ethernet/intel/ice/ice_gnss.c
+++ b/drivers/net/ethernet/intel/ice/ice_gnss.c
@@ -96,12 +96,7 @@ static void ice_gnss_read(struct kthread_work *work)
 	int err = 0;
 
 	pf = gnss->back;
-	if (!pf) {
-		err = -EFAULT;
-		goto exit;
-	}
-
-	if (!test_bit(ICE_FLAG_GNSS, pf->flags))
+	if (!pf || !test_bit(ICE_FLAG_GNSS, pf->flags))
 		return;
 
 	hw = &pf->hw;
@@ -159,7 +154,6 @@ free_buf:
 	free_page((unsigned long)buf);
 requeue:
 	kthread_queue_delayed_work(gnss->kworker, &gnss->read_work, delay);
-exit:
 	if (err)
 		dev_dbg(ice_pf_to_dev(pf), "GNSS failed to read err=%d\n", err);
 }
diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index a1f7c8edc22f..42c318ceff61 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -4802,9 +4802,13 @@ err_init_pf:
 static void ice_deinit_dev(struct ice_pf *pf)
 {
 	ice_free_irq_msix_misc(pf);
-	ice_clear_interrupt_scheme(pf);
 	ice_deinit_pf(pf);
 	ice_deinit_hw(&pf->hw);
+
+	/* Service task is already stopped, so call reset directly. */
+	ice_reset(&pf->hw, ICE_RESET_PFR);
+	pci_wait_for_pending_transaction(pf->pdev);
+	ice_clear_interrupt_scheme(pf);
 }
 
 static void ice_init_features(struct ice_pf *pf)
@@ -5094,10 +5098,6 @@ int ice_load(struct ice_pf *pf)
 	struct ice_vsi *vsi;
 	int err;
 
-	err = ice_reset(&pf->hw, ICE_RESET_PFR);
-	if (err)
-		return err;
-
 	err = ice_init_dev(pf);
 	if (err)
 		return err;
@@ -5354,12 +5354,6 @@ static void ice_remove(struct pci_dev *pdev)
 	ice_setup_mc_magic_wake(pf);
 	ice_set_wake(pf);
 
-	/* Issue a PFR as part of the prescribed driver unload flow.  Do not
-	 * do it via ice_schedule_reset() since there is no need to rebuild
-	 * and the service task is already stopped.
-	 */
-	ice_reset(&pf->hw, ICE_RESET_PFR);
-	pci_wait_for_pending_transaction(pdev);
 	pci_disable_device(pdev);
 }
 
@@ -7056,6 +7050,10 @@ int ice_down(struct ice_vsi *vsi)
 	ice_for_each_txq(vsi, i)
 		ice_clean_tx_ring(vsi->tx_rings[i]);
 
+	if (ice_is_xdp_ena_vsi(vsi))
+		ice_for_each_xdp_txq(vsi, i)
+			ice_clean_tx_ring(vsi->xdp_rings[i]);
+
 	ice_for_each_rxq(vsi, i)
 		ice_clean_rx_ring(vsi->rx_rings[i]);
 
diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c
index 7d60da1b7bf4..319ed601eaa1 100644
--- a/drivers/net/ethernet/intel/igb/igb_ethtool.c
+++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c
@@ -822,6 +822,8 @@ static int igb_set_eeprom(struct net_device *netdev,
 		 */
 		ret_val = hw->nvm.ops.read(hw, last_word, 1,
 				   &eeprom_buff[last_word - first_word]);
+		if (ret_val)
+			goto out;
 	}
 
 	/* Device's eeprom is always little-endian, word addressable */
@@ -841,6 +843,7 @@ static int igb_set_eeprom(struct net_device *netdev,
 		hw->nvm.ops.update(hw);
 
 	igb_set_fw_version(adapter);
+out:
 	kfree(eeprom_buff);
 	return ret_val;
 }
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index 58872a4c2540..bb3db387d49c 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -6947,6 +6947,7 @@ static void igb_extts(struct igb_adapter *adapter, int tsintr_tt)
 	struct e1000_hw *hw = &adapter->hw;
 	struct ptp_clock_event event;
 	struct timespec64 ts;
+	unsigned long flags;
 
 	if (pin < 0 || pin >= IGB_N_SDP)
 		return;
@@ -6954,9 +6955,12 @@ static void igb_extts(struct igb_adapter *adapter, int tsintr_tt)
 	if (hw->mac.type == e1000_82580 ||
 	    hw->mac.type == e1000_i354 ||
 	    hw->mac.type == e1000_i350) {
-		s64 ns = rd32(auxstmpl);
+		u64 ns = rd32(auxstmpl);
 
-		ns += ((s64)(rd32(auxstmph) & 0xFF)) << 32;
+		ns += ((u64)(rd32(auxstmph) & 0xFF)) << 32;
+		spin_lock_irqsave(&adapter->tmreg_lock, flags);
+		ns = timecounter_cyc2time(&adapter->tc, ns);
+		spin_unlock_irqrestore(&adapter->tmreg_lock, flags);
 		ts = ns_to_timespec64(ns);
 	} else {
 		ts.tv_nsec = rd32(auxstmpl);
diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c
index 1c4676882082..fa764190f270 100644
--- a/drivers/net/ethernet/intel/igc/igc_main.c
+++ b/drivers/net/ethernet/intel/igc/igc_main.c
@@ -254,6 +254,13 @@ static void igc_clean_tx_ring(struct igc_ring *tx_ring)
 	/* reset BQL for queue */
 	netdev_tx_reset_queue(txring_txq(tx_ring));
 
+	/* Zero out the buffer ring */
+	memset(tx_ring->tx_buffer_info, 0,
+	       sizeof(*tx_ring->tx_buffer_info) * tx_ring->count);
+
+	/* Zero out the descriptor ring */
+	memset(tx_ring->desc, 0, tx_ring->size);
+
 	/* reset next_to_use and next_to_clean */
 	tx_ring->next_to_use = 0;
 	tx_ring->next_to_clean = 0;
@@ -267,7 +274,7 @@ static void igc_clean_tx_ring(struct igc_ring *tx_ring)
  */
 void igc_free_tx_resources(struct igc_ring *tx_ring)
 {
-	igc_clean_tx_ring(tx_ring);
+	igc_disable_tx_ring(tx_ring);
 
 	vfree(tx_ring->tx_buffer_info);
 	tx_ring->tx_buffer_info = NULL;
@@ -6723,6 +6730,9 @@ static void igc_remove(struct pci_dev *pdev)
 
 	igc_ptp_stop(adapter);
 
+	pci_disable_ptm(pdev);
+	pci_clear_master(pdev);
+
 	set_bit(__IGC_DOWN, &adapter->state);
 
 	del_timer_sync(&adapter->watchdog_timer);
diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_main.c b/drivers/net/ethernet/marvell/octeon_ep/octep_main.c
index e1853da280f9..43eb6e871351 100644
--- a/drivers/net/ethernet/marvell/octeon_ep/octep_main.c
+++ b/drivers/net/ethernet/marvell/octeon_ep/octep_main.c
@@ -981,6 +981,9 @@ int octep_device_setup(struct octep_device *oct)
 		oct->mmio[i].hw_addr =
 			ioremap(pci_resource_start(oct->pdev, i * 2),
 				pci_resource_len(oct->pdev, i * 2));
+		if (!oct->mmio[i].hw_addr)
+			goto unmap_prev;
+
 		oct->mmio[i].mapped = 1;
 	}
 
@@ -1015,7 +1018,9 @@ int octep_device_setup(struct octep_device *oct)
 	return 0;
 
 unsupported_dev:
-	for (i = 0; i < OCTEP_MMIO_REGIONS; i++)
+	i = OCTEP_MMIO_REGIONS;
+unmap_prev:
+	while (i--)
 		iounmap(oct->mmio[i].hw_addr);
 
 	kfree(oct->conf);
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
index 4ad707e758b9..f01d057ad025 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
@@ -1878,7 +1878,8 @@ static int nix_check_txschq_alloc_req(struct rvu *rvu, int lvl, u16 pcifunc,
 		free_cnt = rvu_rsrc_free_count(&txsch->schq);
 	}
 
-	if (free_cnt < req_schq || req_schq > MAX_TXSCHQ_PER_FUNC)
+	if (free_cnt < req_schq || req->schq[lvl] > MAX_TXSCHQ_PER_FUNC ||
+	    req->schq_contig[lvl] > MAX_TXSCHQ_PER_FUNC)
 		return NIX_AF_ERR_TLX_ALLOC_FAIL;
 
 	/* If contiguous queues are needed, check for availability */
@@ -4080,10 +4081,6 @@ int rvu_mbox_handler_nix_set_rx_cfg(struct rvu *rvu, struct nix_rx_cfg *req,
 
 static u64 rvu_get_lbk_link_credits(struct rvu *rvu, u16 lbk_max_frs)
 {
-	/* CN10k supports 72KB FIFO size and max packet size of 64k */
-	if (rvu->hw->lbk_bufsize == 0x12000)
-		return (rvu->hw->lbk_bufsize - lbk_max_frs) / 16;
-
 	return 1600; /* 16 * max LBK datarate = 16 * 100Gbps */
 }
 
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c
index 51209119f0f2..9f11c1e40737 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c
@@ -1164,10 +1164,8 @@ static u16 __rvu_npc_exact_cmd_rules_cnt_update(struct rvu *rvu, int drop_mcam_i
 {
 	struct npc_exact_table *table;
 	u16 *cnt, old_cnt;
-	bool promisc;
 
 	table = rvu->hw->table;
-	promisc = table->promisc_mode[drop_mcam_idx];
 
 	cnt = &table->cnt_cmd_rules[drop_mcam_idx];
 	old_cnt = *cnt;
@@ -1179,16 +1177,13 @@ static u16 __rvu_npc_exact_cmd_rules_cnt_update(struct rvu *rvu, int drop_mcam_i
 
 	*enable_or_disable_cam = false;
 
-	if (promisc)
-		goto done;
-
-	/* If all rules are deleted and not already in promisc mode; disable cam */
+	/* If all rules are deleted, disable cam */
 	if (!*cnt && val < 0) {
 		*enable_or_disable_cam = true;
 		goto done;
 	}
 
-	/* If rule got added and not already in promisc mode; enable cam */
+	/* If rule got added, enable cam */
 	if (!old_cnt && val > 0) {
 		*enable_or_disable_cam = true;
 		goto done;
@@ -1443,7 +1438,6 @@ int rvu_npc_exact_promisc_disable(struct rvu *rvu, u16 pcifunc)
 	u32 drop_mcam_idx;
 	bool *promisc;
 	bool rc;
-	u32 cnt;
 
 	table = rvu->hw->table;
 
@@ -1466,17 +1460,8 @@ int rvu_npc_exact_promisc_disable(struct rvu *rvu, u16 pcifunc)
 		return LMAC_AF_ERR_INVALID_PARAM;
 	}
 	*promisc = false;
-	cnt = __rvu_npc_exact_cmd_rules_cnt_update(rvu, drop_mcam_idx, 0, NULL);
 	mutex_unlock(&table->lock);
 
-	/* If no dmac filter entries configured, disable drop rule */
-	if (!cnt)
-		rvu_npc_enable_mcam_by_entry_index(rvu, drop_mcam_idx, NIX_INTF_RX, false);
-	else
-		rvu_npc_enable_mcam_by_entry_index(rvu, drop_mcam_idx, NIX_INTF_RX, !*promisc);
-
-	dev_dbg(rvu->dev, "%s: disabled  promisc mode (cgx=%d lmac=%d, cnt=%d)\n",
-		__func__, cgx_id, lmac_id, cnt);
 	return 0;
 }
 
@@ -1494,7 +1479,6 @@ int rvu_npc_exact_promisc_enable(struct rvu *rvu, u16 pcifunc)
 	u32 drop_mcam_idx;
 	bool *promisc;
 	bool rc;
-	u32 cnt;
 
 	table = rvu->hw->table;
 
@@ -1517,17 +1501,8 @@ int rvu_npc_exact_promisc_enable(struct rvu *rvu, u16 pcifunc)
 		return LMAC_AF_ERR_INVALID_PARAM;
 	}
 	*promisc = true;
-	cnt = __rvu_npc_exact_cmd_rules_cnt_update(rvu, drop_mcam_idx, 0, NULL);
 	mutex_unlock(&table->lock);
 
-	/* If no dmac filter entries configured, disable drop rule */
-	if (!cnt)
-		rvu_npc_enable_mcam_by_entry_index(rvu, drop_mcam_idx, NIX_INTF_RX, false);
-	else
-		rvu_npc_enable_mcam_by_entry_index(rvu, drop_mcam_idx, NIX_INTF_RX, !*promisc);
-
-	dev_dbg(rvu->dev, "%s: Enabled promisc mode (cgx=%d lmac=%d cnt=%d)\n",
-		__func__, cgx_id, lmac_id, cnt);
 	return 0;
 }
 
diff --git a/drivers/net/ethernet/renesas/rswitch.c b/drivers/net/ethernet/renesas/rswitch.c
index aace87139cea..fa6d6202b129 100644
--- a/drivers/net/ethernet/renesas/rswitch.c
+++ b/drivers/net/ethernet/renesas/rswitch.c
@@ -347,17 +347,6 @@ out:
 	return -ENOMEM;
 }
 
-static int rswitch_gwca_ts_queue_alloc(struct rswitch_private *priv)
-{
-	struct rswitch_gwca_queue *gq = &priv->gwca.ts_queue;
-
-	gq->ring_size = TS_RING_SIZE;
-	gq->ts_ring = dma_alloc_coherent(&priv->pdev->dev,
-					 sizeof(struct rswitch_ts_desc) *
-					 (gq->ring_size + 1), &gq->ring_dma, GFP_KERNEL);
-	return !gq->ts_ring ? -ENOMEM : 0;
-}
-
 static void rswitch_desc_set_dptr(struct rswitch_desc *desc, dma_addr_t addr)
 {
 	desc->dptrl = cpu_to_le32(lower_32_bits(addr));
@@ -533,6 +522,28 @@ static void rswitch_gwca_linkfix_free(struct rswitch_private *priv)
 	gwca->linkfix_table = NULL;
 }
 
+static int rswitch_gwca_ts_queue_alloc(struct rswitch_private *priv)
+{
+	struct rswitch_gwca_queue *gq = &priv->gwca.ts_queue;
+	struct rswitch_ts_desc *desc;
+
+	gq->ring_size = TS_RING_SIZE;
+	gq->ts_ring = dma_alloc_coherent(&priv->pdev->dev,
+					 sizeof(struct rswitch_ts_desc) *
+					 (gq->ring_size + 1), &gq->ring_dma, GFP_KERNEL);
+
+	if (!gq->ts_ring)
+		return -ENOMEM;
+
+	rswitch_gwca_ts_queue_fill(priv, 0, TS_RING_SIZE);
+	desc = &gq->ts_ring[gq->ring_size];
+	desc->desc.die_dt = DT_LINKFIX;
+	rswitch_desc_set_dptr(&desc->desc, gq->ring_dma);
+	INIT_LIST_HEAD(&priv->gwca.ts_info_list);
+
+	return 0;
+}
+
 static struct rswitch_gwca_queue *rswitch_gwca_get(struct rswitch_private *priv)
 {
 	struct rswitch_gwca_queue *gq;
@@ -1780,9 +1791,6 @@ static int rswitch_init(struct rswitch_private *priv)
 	if (err < 0)
 		goto err_ts_queue_alloc;
 
-	rswitch_gwca_ts_queue_fill(priv, 0, TS_RING_SIZE);
-	INIT_LIST_HEAD(&priv->gwca.ts_info_list);
-
 	for (i = 0; i < RSWITCH_NUM_PORTS; i++) {
 		err = rswitch_device_alloc(priv, i);
 		if (err < 0) {
diff --git a/drivers/net/ethernet/sfc/efx_channels.c b/drivers/net/ethernet/sfc/efx_channels.c
index fcea3ea809d7..41b33a75333c 100644
--- a/drivers/net/ethernet/sfc/efx_channels.c
+++ b/drivers/net/ethernet/sfc/efx_channels.c
@@ -301,6 +301,7 @@ int efx_probe_interrupts(struct efx_nic *efx)
 		efx->tx_channel_offset = 0;
 		efx->n_xdp_channels = 0;
 		efx->xdp_channel_offset = efx->n_channels;
+		efx->xdp_txq_queues_mode = EFX_XDP_TX_QUEUES_BORROWED;
 		rc = pci_enable_msi(efx->pci_dev);
 		if (rc == 0) {
 			efx_get_channel(efx, 0)->irq = efx->pci_dev->irq;
@@ -322,6 +323,7 @@ int efx_probe_interrupts(struct efx_nic *efx)
 		efx->tx_channel_offset = efx_separate_tx_channels ? 1 : 0;
 		efx->n_xdp_channels = 0;
 		efx->xdp_channel_offset = efx->n_channels;
+		efx->xdp_txq_queues_mode = EFX_XDP_TX_QUEUES_BORROWED;
 		efx->legacy_irq = efx->pci_dev->irq;
 	}
 
diff --git a/drivers/net/ethernet/sfc/siena/efx_channels.c b/drivers/net/ethernet/sfc/siena/efx_channels.c
index 06ed74994e36..1776f7f8a7a9 100644
--- a/drivers/net/ethernet/sfc/siena/efx_channels.c
+++ b/drivers/net/ethernet/sfc/siena/efx_channels.c
@@ -302,6 +302,7 @@ int efx_siena_probe_interrupts(struct efx_nic *efx)
 		efx->tx_channel_offset = 0;
 		efx->n_xdp_channels = 0;
 		efx->xdp_channel_offset = efx->n_channels;
+		efx->xdp_txq_queues_mode = EFX_XDP_TX_QUEUES_BORROWED;
 		rc = pci_enable_msi(efx->pci_dev);
 		if (rc == 0) {
 			efx_get_channel(efx, 0)->irq = efx->pci_dev->irq;
@@ -323,6 +324,7 @@ int efx_siena_probe_interrupts(struct efx_nic *efx)
 		efx->tx_channel_offset = efx_siena_separate_tx_channels ? 1 : 0;
 		efx->n_xdp_channels = 0;
 		efx->xdp_channel_offset = efx->n_channels;
+		efx->xdp_txq_queues_mode = EFX_XDP_TX_QUEUES_BORROWED;
 		efx->legacy_irq = efx->pci_dev->irq;
 	}
 
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 52cab9de05f2..87510951f4e8 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -3873,7 +3873,6 @@ irq_error:
 
 	stmmac_hw_teardown(dev);
 init_error:
-	free_dma_desc_resources(priv, &priv->dma_conf);
 	phylink_disconnect_phy(priv->phylink);
 init_phy_error:
 	pm_runtime_put(priv->device);
@@ -3891,6 +3890,9 @@ static int stmmac_open(struct net_device *dev)
 		return PTR_ERR(dma_conf);
 
 	ret = __stmmac_open(dev, dma_conf);
+	if (ret)
+		free_dma_desc_resources(priv, dma_conf);
+
 	kfree(dma_conf);
 	return ret;
 }
@@ -5633,12 +5635,15 @@ static int stmmac_change_mtu(struct net_device *dev, int new_mtu)
 		stmmac_release(dev);
 
 		ret = __stmmac_open(dev, dma_conf);
-		kfree(dma_conf);
 		if (ret) {
+			free_dma_desc_resources(priv, dma_conf);
+			kfree(dma_conf);
 			netdev_err(priv->dev, "failed reopening the interface after MTU change\n");
 			return ret;
 		}
 
+		kfree(dma_conf);
+
 		stmmac_set_rx_mode(dev);
 	}
 
diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.c b/drivers/net/ethernet/ti/am65-cpsw-nuss.c
index 11cbcd9e2c72..bebcfd5e6b57 100644
--- a/drivers/net/ethernet/ti/am65-cpsw-nuss.c
+++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.c
@@ -2068,7 +2068,7 @@ static int am65_cpsw_nuss_init_slave_ports(struct am65_cpsw_common *common)
 		/* Initialize the Serdes PHY for the port */
 		ret = am65_cpsw_init_serdes_phy(dev, port_np, port);
 		if (ret)
-			return ret;
+			goto of_node_put;
 
 		port->slave.mac_only =
 				of_property_read_bool(port_np, "ti,mac-only");
diff --git a/drivers/net/ipvlan/ipvlan_l3s.c b/drivers/net/ipvlan/ipvlan_l3s.c
index 71712ea25403..d5b05e803219 100644
--- a/drivers/net/ipvlan/ipvlan_l3s.c
+++ b/drivers/net/ipvlan/ipvlan_l3s.c
@@ -102,6 +102,10 @@ static unsigned int ipvlan_nf_input(void *priv, struct sk_buff *skb,
 
 	skb->dev = addr->master->dev;
 	skb->skb_iif = skb->dev->ifindex;
+#if IS_ENABLED(CONFIG_IPV6)
+	if (addr->atype == IPVL_IPV6)
+		IP6CB(skb)->iif = skb->dev->ifindex;
+#endif
 	len = skb->len + ETH_HLEN;
 	ipvlan_count_rx(addr->master, len, true, false);
 out:
diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c
index 3427993f94f7..984dfa5d6c11 100644
--- a/drivers/net/macsec.c
+++ b/drivers/net/macsec.c
@@ -3997,17 +3997,15 @@ static int macsec_add_dev(struct net_device *dev, sci_t sci, u8 icv_len)
 		return -ENOMEM;
 
 	secy->tx_sc.stats = netdev_alloc_pcpu_stats(struct pcpu_tx_sc_stats);
-	if (!secy->tx_sc.stats) {
-		free_percpu(macsec->stats);
+	if (!secy->tx_sc.stats)
 		return -ENOMEM;
-	}
 
 	secy->tx_sc.md_dst = metadata_dst_alloc(0, METADATA_MACSEC, GFP_KERNEL);
-	if (!secy->tx_sc.md_dst) {
-		free_percpu(secy->tx_sc.stats);
-		free_percpu(macsec->stats);
+	if (!secy->tx_sc.md_dst)
+		/* macsec and secy percpu stats will be freed when unregistering
+		 * net_device in macsec_free_netdev()
+		 */
 		return -ENOMEM;
-	}
 
 	if (sci == MACSEC_UNDEF_SCI)
 		sci = dev_to_sci(dev, MACSEC_PORT_ES);
diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
index b4831110003c..5efdeb59f4b2 100644
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c
@@ -188,6 +188,7 @@ static int phylink_interface_max_speed(phy_interface_t interface)
 	case PHY_INTERFACE_MODE_RGMII_ID:
 	case PHY_INTERFACE_MODE_RGMII:
 	case PHY_INTERFACE_MODE_QSGMII:
+	case PHY_INTERFACE_MODE_QUSGMII:
 	case PHY_INTERFACE_MODE_SGMII:
 	case PHY_INTERFACE_MODE_GMII:
 		return SPEED_1000;
@@ -204,7 +205,6 @@ static int phylink_interface_max_speed(phy_interface_t interface)
 	case PHY_INTERFACE_MODE_10GBASER:
 	case PHY_INTERFACE_MODE_10GKR:
 	case PHY_INTERFACE_MODE_USXGMII:
-	case PHY_INTERFACE_MODE_QUSGMII:
 		return SPEED_10000;
 
 	case PHY_INTERFACE_MODE_25GBASER:
@@ -3298,6 +3298,41 @@ void phylink_decode_usxgmii_word(struct phylink_link_state *state,
 }
 EXPORT_SYMBOL_GPL(phylink_decode_usxgmii_word);
 
+/**
+ * phylink_decode_usgmii_word() - decode the USGMII word from a MAC PCS
+ * @state: a pointer to a struct phylink_link_state.
+ * @lpa: a 16 bit value which stores the USGMII auto-negotiation word
+ *
+ * Helper for MAC PCS supporting the USGMII protocol and the auto-negotiation
+ * code word.  Decode the USGMII code word and populate the corresponding fields
+ * (speed, duplex) into the phylink_link_state structure. The structure for this
+ * word is the same as the USXGMII word, except it only supports speeds up to
+ * 1Gbps.
+ */
+static void phylink_decode_usgmii_word(struct phylink_link_state *state,
+				       uint16_t lpa)
+{
+	switch (lpa & MDIO_USXGMII_SPD_MASK) {
+	case MDIO_USXGMII_10:
+		state->speed = SPEED_10;
+		break;
+	case MDIO_USXGMII_100:
+		state->speed = SPEED_100;
+		break;
+	case MDIO_USXGMII_1000:
+		state->speed = SPEED_1000;
+		break;
+	default:
+		state->link = false;
+		return;
+	}
+
+	if (lpa & MDIO_USXGMII_FULL_DUPLEX)
+		state->duplex = DUPLEX_FULL;
+	else
+		state->duplex = DUPLEX_HALF;
+}
+
 /**
  * phylink_mii_c22_pcs_decode_state() - Decode MAC PCS state from MII registers
  * @state: a pointer to a &struct phylink_link_state.
@@ -3335,9 +3370,11 @@ void phylink_mii_c22_pcs_decode_state(struct phylink_link_state *state,
 
 	case PHY_INTERFACE_MODE_SGMII:
 	case PHY_INTERFACE_MODE_QSGMII:
-	case PHY_INTERFACE_MODE_QUSGMII:
 		phylink_decode_sgmii_word(state, lpa);
 		break;
+	case PHY_INTERFACE_MODE_QUSGMII:
+		phylink_decode_usgmii_word(state, lpa);
+		break;
 
 	default:
 		state->link = false;
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index f1865d047971..2e7c7b0cdc54 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -1220,7 +1220,9 @@ static const struct usb_device_id products[] = {
 	{QMI_FIXED_INTF(0x05c6, 0x9080, 8)},
 	{QMI_FIXED_INTF(0x05c6, 0x9083, 3)},
 	{QMI_FIXED_INTF(0x05c6, 0x9084, 4)},
+	{QMI_QUIRK_SET_DTR(0x05c6, 0x9091, 2)},	/* Compal RXM-G1 */
 	{QMI_FIXED_INTF(0x05c6, 0x90b2, 3)},    /* ublox R410M */
+	{QMI_QUIRK_SET_DTR(0x05c6, 0x90db, 2)},	/* Compal RXM-G1 */
 	{QMI_FIXED_INTF(0x05c6, 0x920d, 0)},
 	{QMI_FIXED_INTF(0x05c6, 0x920d, 5)},
 	{QMI_QUIRK_SET_DTR(0x05c6, 0x9625, 4)},	/* YUGA CLM920-NC5 */
diff --git a/drivers/net/wan/lapbether.c b/drivers/net/wan/lapbether.c
index d62a904d2e42..56326f38fe8a 100644
--- a/drivers/net/wan/lapbether.c
+++ b/drivers/net/wan/lapbether.c
@@ -384,6 +384,9 @@ static int lapbeth_new_device(struct net_device *dev)
 
 	ASSERT_RTNL();
 
+	if (dev->type != ARPHRD_ETHER)
+		return -EINVAL;
+
 	ndev = alloc_netdev(sizeof(*lapbeth), "lapb%d", NET_NAME_UNKNOWN,
 			    lapbeth_setup);
 	if (!ndev)
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
index 23266d0c9ce4..9a20468345e4 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
@@ -2692,7 +2692,7 @@ static void rs_drv_get_rate(void *mvm_r, struct ieee80211_sta *sta,
 
 	lq_sta = mvm_sta;
 
-	spin_lock(&lq_sta->pers.lock);
+	spin_lock_bh(&lq_sta->pers.lock);
 	iwl_mvm_hwrate_to_tx_rate_v1(lq_sta->last_rate_n_flags,
 				     info->band, &info->control.rates[0]);
 	info->control.rates[0].count = 1;
@@ -2707,7 +2707,7 @@ static void rs_drv_get_rate(void *mvm_r, struct ieee80211_sta *sta,
 		iwl_mvm_hwrate_to_tx_rate_v1(last_ucode_rate, info->band,
 					     &txrc->reported_rate);
 	}
-	spin_unlock(&lq_sta->pers.lock);
+	spin_unlock_bh(&lq_sta->pers.lock);
 }
 
 static void *rs_drv_alloc_sta(void *mvm_rate, struct ieee80211_sta *sta,
@@ -3264,11 +3264,11 @@ void iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
 	/* If it's locked we are in middle of init flow
 	 * just wait for next tx status to update the lq_sta data
 	 */
-	if (!spin_trylock(&mvmsta->deflink.lq_sta.rs_drv.pers.lock))
+	if (!spin_trylock_bh(&mvmsta->deflink.lq_sta.rs_drv.pers.lock))
 		return;
 
 	__iwl_mvm_rs_tx_status(mvm, sta, tid, info, ndp);
-	spin_unlock(&mvmsta->deflink.lq_sta.rs_drv.pers.lock);
+	spin_unlock_bh(&mvmsta->deflink.lq_sta.rs_drv.pers.lock);
 }
 
 #ifdef CONFIG_MAC80211_DEBUGFS
@@ -4117,9 +4117,9 @@ void iwl_mvm_rs_rate_init(struct iwl_mvm *mvm,
 	} else {
 		struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
 
-		spin_lock(&mvmsta->deflink.lq_sta.rs_drv.pers.lock);
+		spin_lock_bh(&mvmsta->deflink.lq_sta.rs_drv.pers.lock);
 		rs_drv_rate_init(mvm, sta, band);
-		spin_unlock(&mvmsta->deflink.lq_sta.rs_drv.pers.lock);
+		spin_unlock_bh(&mvmsta->deflink.lq_sta.rs_drv.pers.lock);
 	}
 }
 
diff --git a/drivers/s390/net/ism_drv.c b/drivers/s390/net/ism_drv.c
index 8acb9eba691b..c2096e4bba31 100644
--- a/drivers/s390/net/ism_drv.c
+++ b/drivers/s390/net/ism_drv.c
@@ -771,14 +771,6 @@ static int __init ism_init(void)
 
 static void __exit ism_exit(void)
 {
-	struct ism_dev *ism;
-
-	mutex_lock(&ism_dev_list.mutex);
-	list_for_each_entry(ism, &ism_dev_list.list, list) {
-		ism_dev_exit(ism);
-	}
-	mutex_unlock(&ism_dev_list.mutex);
-
 	pci_unregister_driver(&ism_driver);
 	debug_unregister(ism_debug_info);
 }
diff --git a/include/net/netfilter/nf_flow_table.h b/include/net/netfilter/nf_flow_table.h
index ebb28ec5b6fa..f37f9f34430c 100644
--- a/include/net/netfilter/nf_flow_table.h
+++ b/include/net/netfilter/nf_flow_table.h
@@ -268,7 +268,7 @@ int flow_offload_route_init(struct flow_offload *flow,
 
 int flow_offload_add(struct nf_flowtable *flow_table, struct flow_offload *flow);
 void flow_offload_refresh(struct nf_flowtable *flow_table,
-			  struct flow_offload *flow);
+			  struct flow_offload *flow, bool force);
 
 struct flow_offload_tuple_rhash *flow_offload_lookup(struct nf_flowtable *flow_table,
 						     struct flow_offload_tuple *tuple);
diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h
index 2e24ea1d744c..83db182decc8 100644
--- a/include/net/netfilter/nf_tables.h
+++ b/include/net/netfilter/nf_tables.h
@@ -462,7 +462,8 @@ struct nft_set_ops {
 					       const struct nft_set *set,
 					       const struct nft_set_elem *elem,
 					       unsigned int flags);
-
+	void				(*commit)(const struct nft_set *set);
+	void				(*abort)(const struct nft_set *set);
 	u64				(*privsize)(const struct nlattr * const nla[],
 						    const struct nft_set_desc *desc);
 	bool				(*estimate)(const struct nft_set_desc *desc,
@@ -557,6 +558,7 @@ struct nft_set {
 	u16				policy;
 	u16				udlen;
 	unsigned char			*udata;
+	struct list_head		pending_update;
 	/* runtime data below here */
 	const struct nft_set_ops	*ops ____cacheline_aligned;
 	u16				flags:14,
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index 27271f2b37cb..12eadecf8cd0 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -137,6 +137,13 @@ static inline void qdisc_refcount_inc(struct Qdisc *qdisc)
 	refcount_inc(&qdisc->refcnt);
 }
 
+static inline bool qdisc_refcount_dec_if_one(struct Qdisc *qdisc)
+{
+	if (qdisc->flags & TCQ_F_BUILTIN)
+		return true;
+	return refcount_dec_if_one(&qdisc->refcnt);
+}
+
 /* Intended to be used by unlocked users, when concurrent qdisc release is
  * possible.
  */
@@ -652,6 +659,7 @@ void dev_deactivate_many(struct list_head *head);
 struct Qdisc *dev_graft_qdisc(struct netdev_queue *dev_queue,
 			      struct Qdisc *qdisc);
 void qdisc_reset(struct Qdisc *qdisc);
+void qdisc_destroy(struct Qdisc *qdisc);
 void qdisc_put(struct Qdisc *qdisc);
 void qdisc_put_unlocked(struct Qdisc *qdisc);
 void qdisc_tree_reduce_backlog(struct Qdisc *qdisc, int n, int len);
diff --git a/include/uapi/linux/ethtool_netlink.h b/include/uapi/linux/ethtool_netlink.h
index 1ebf8d455f07..73e2c10dc2cc 100644
--- a/include/uapi/linux/ethtool_netlink.h
+++ b/include/uapi/linux/ethtool_netlink.h
@@ -783,7 +783,7 @@ enum {
 
 	/* add new constants above here */
 	__ETHTOOL_A_STATS_GRP_CNT,
-	ETHTOOL_A_STATS_GRP_MAX = (__ETHTOOL_A_STATS_CNT - 1)
+	ETHTOOL_A_STATS_GRP_MAX = (__ETHTOOL_A_STATS_GRP_CNT - 1)
 };
 
 enum {
diff --git a/net/dccp/proto.c b/net/dccp/proto.c
index a06b5641287a..b0ebf853cb07 100644
--- a/net/dccp/proto.c
+++ b/net/dccp/proto.c
@@ -191,6 +191,9 @@ int dccp_init_sock(struct sock *sk, const __u8 ctl_sock_initialized)
 	struct dccp_sock *dp = dccp_sk(sk);
 	struct inet_connection_sock *icsk = inet_csk(sk);
 
+	pr_warn_once("DCCP is deprecated and scheduled to be removed in 2025, "
+		     "please contact the netdev mailing list\n");
+
 	icsk->icsk_rto		= DCCP_TIMEOUT_INIT;
 	icsk->icsk_syn_retries	= sysctl_dccp_request_retries;
 	sk->sk_state		= DCCP_CLOSED;
diff --git a/net/handshake/handshake.h b/net/handshake/handshake.h
index 8aeaadca844f..4dac965c99df 100644
--- a/net/handshake/handshake.h
+++ b/net/handshake/handshake.h
@@ -31,7 +31,6 @@ struct handshake_req {
 	struct list_head		hr_list;
 	struct rhash_head		hr_rhash;
 	unsigned long			hr_flags;
-	struct file			*hr_file;
 	const struct handshake_proto	*hr_proto;
 	struct sock			*hr_sk;
 	void				(*hr_odestruct)(struct sock *sk);
diff --git a/net/handshake/request.c b/net/handshake/request.c
index d78d41abb3d9..94d5cef3e048 100644
--- a/net/handshake/request.c
+++ b/net/handshake/request.c
@@ -239,7 +239,6 @@ int handshake_req_submit(struct socket *sock, struct handshake_req *req,
 	}
 	req->hr_odestruct = req->hr_sk->sk_destruct;
 	req->hr_sk->sk_destruct = handshake_sk_destruct;
-	req->hr_file = sock->file;
 
 	ret = -EOPNOTSUPP;
 	net = sock_net(req->hr_sk);
@@ -335,9 +334,6 @@ bool handshake_req_cancel(struct sock *sk)
 		return false;
 	}
 
-	/* Request accepted and waiting for DONE */
-	fput(req->hr_file);
-
 out_true:
 	trace_handshake_cancel(net, req, sk);
 
diff --git a/net/ipv4/udplite.c b/net/ipv4/udplite.c
index 56d94d23b9e0..143f93a12f25 100644
--- a/net/ipv4/udplite.c
+++ b/net/ipv4/udplite.c
@@ -22,6 +22,8 @@ static int udplite_sk_init(struct sock *sk)
 {
 	udp_init_sock(sk);
 	udp_sk(sk)->pcflag = UDPLITE_BIT;
+	pr_warn_once("UDP-Lite is deprecated and scheduled to be removed in 2025, "
+		     "please contact the netdev mailing list\n");
 	return 0;
 }
 
diff --git a/net/ipv6/ping.c b/net/ipv6/ping.c
index c4835dbdfcff..f804c11e2146 100644
--- a/net/ipv6/ping.c
+++ b/net/ipv6/ping.c
@@ -114,7 +114,8 @@ static int ping_v6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
 	addr_type = ipv6_addr_type(daddr);
 	if ((__ipv6_addr_needs_scope_id(addr_type) && !oif) ||
 	    (addr_type & IPV6_ADDR_MAPPED) ||
-	    (oif && sk->sk_bound_dev_if && oif != sk->sk_bound_dev_if))
+	    (oif && sk->sk_bound_dev_if && oif != sk->sk_bound_dev_if &&
+	     l3mdev_master_ifindex_by_index(sock_net(sk), oif) != sk->sk_bound_dev_if))
 		return -EINVAL;
 
 	ipcm6_init_sk(&ipc6, np);
diff --git a/net/ipv6/udplite.c b/net/ipv6/udplite.c
index 3bab0cc13697..8e010d07917a 100644
--- a/net/ipv6/udplite.c
+++ b/net/ipv6/udplite.c
@@ -8,6 +8,8 @@
  *  Changes:
  *  Fixes:
  */
+#define pr_fmt(fmt) "UDPLite6: " fmt
+
 #include <linux/export.h>
 #include <linux/proc_fs.h>
 #include "udp_impl.h"
@@ -16,6 +18,8 @@ static int udplitev6_sk_init(struct sock *sk)
 {
 	udpv6_init_sock(sk);
 	udp_sk(sk)->pcflag = UDPLITE_BIT;
+	pr_warn_once("UDP-Lite is deprecated and scheduled to be removed in 2025, "
+		     "please contact the netdev mailing list\n");
 	return 0;
 }
 
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 86b2036d73ff..f2d08dbccfb7 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -4865,11 +4865,16 @@ static int ieee80211_add_intf_link(struct wiphy *wiphy,
 				   unsigned int link_id)
 {
 	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
+	int res;
 
 	if (wdev->use_4addr)
 		return -EOPNOTSUPP;
 
-	return ieee80211_vif_set_links(sdata, wdev->valid_links);
+	mutex_lock(&sdata->local->mtx);
+	res = ieee80211_vif_set_links(sdata, wdev->valid_links);
+	mutex_unlock(&sdata->local->mtx);
+
+	return res;
 }
 
 static void ieee80211_del_intf_link(struct wiphy *wiphy,
@@ -4878,7 +4883,9 @@ static void ieee80211_del_intf_link(struct wiphy *wiphy,
 {
 	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
 
+	mutex_lock(&sdata->local->mtx);
 	ieee80211_vif_set_links(sdata, wdev->valid_links);
+	mutex_unlock(&sdata->local->mtx);
 }
 
 static int sta_add_link_station(struct ieee80211_local *local,
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index b0372e76f373..4159fb65038b 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -2312,7 +2312,7 @@ ieee802_11_parse_elems(const u8 *start, size_t len, bool action,
 	return ieee802_11_parse_elems_crc(start, len, action, 0, 0, bss);
 }
 
-void ieee80211_fragment_element(struct sk_buff *skb, u8 *len_pos);
+void ieee80211_fragment_element(struct sk_buff *skb, u8 *len_pos, u8 frag_id);
 
 extern const int ieee802_1d_to_ac[8];
 
diff --git a/net/mac80211/link.c b/net/mac80211/link.c
index e82db88a47f8..40f030b8ece9 100644
--- a/net/mac80211/link.c
+++ b/net/mac80211/link.c
@@ -2,7 +2,7 @@
 /*
  * MLO link handling
  *
- * Copyright (C) 2022 Intel Corporation
+ * Copyright (C) 2022-2023 Intel Corporation
  */
 #include <linux/slab.h>
 #include <linux/kernel.h>
@@ -409,6 +409,7 @@ static int _ieee80211_set_active_links(struct ieee80211_sub_if_data *sdata,
 						 IEEE80211_CHANCTX_SHARED);
 		WARN_ON_ONCE(ret);
 
+		ieee80211_mgd_set_link_qos_params(link);
 		ieee80211_link_info_change_notify(sdata, link,
 						  BSS_CHANGED_ERP_CTS_PROT |
 						  BSS_CHANGED_ERP_PREAMBLE |
@@ -423,7 +424,6 @@ static int _ieee80211_set_active_links(struct ieee80211_sub_if_data *sdata,
 						  BSS_CHANGED_TWT |
 						  BSS_CHANGED_HE_OBSS_PD |
 						  BSS_CHANGED_HE_BSS_COLOR);
-		ieee80211_mgd_set_link_qos_params(link);
 	}
 
 	old_active = sdata->vif.active_links;
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index bd8d6f9545f5..5a4303130ef2 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1372,10 +1372,11 @@ static void ieee80211_assoc_add_ml_elem(struct ieee80211_sub_if_data *sdata,
 		ieee80211_add_non_inheritance_elem(skb, outer_present_elems,
 						   link_present_elems);
 
-		ieee80211_fragment_element(skb, subelem_len);
+		ieee80211_fragment_element(skb, subelem_len,
+					   IEEE80211_MLE_SUBELEM_FRAGMENT);
 	}
 
-	ieee80211_fragment_element(skb, ml_elem_len);
+	ieee80211_fragment_element(skb, ml_elem_len, WLAN_EID_FRAGMENT);
 }
 
 static int ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 7f1c7f67014b..13b522dab0a3 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -4445,7 +4445,7 @@ static void ieee80211_mlo_multicast_tx(struct net_device *dev,
 				       struct sk_buff *skb)
 {
 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	unsigned long links = sdata->vif.valid_links;
+	unsigned long links = sdata->vif.active_links;
 	unsigned int link;
 	u32 ctrl_flags = IEEE80211_TX_CTRL_MCAST_MLO_FIRST_TX;
 
@@ -6040,7 +6040,7 @@ void __ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata,
 		rcu_read_unlock();
 
 		if (WARN_ON_ONCE(link == ARRAY_SIZE(sdata->vif.link_conf)))
-			link = ffs(sdata->vif.valid_links) - 1;
+			link = ffs(sdata->vif.active_links) - 1;
 	}
 
 	IEEE80211_SKB_CB(skb)->control.flags |=
@@ -6076,7 +6076,7 @@ void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata,
 		band = chanctx_conf->def.chan->band;
 	} else {
 		WARN_ON(link_id >= 0 &&
-			!(sdata->vif.valid_links & BIT(link_id)));
+			!(sdata->vif.active_links & BIT(link_id)));
 		/* MLD transmissions must not rely on the band */
 		band = 0;
 	}
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 4bf76150925d..3bd07a0a782f 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -5049,7 +5049,7 @@ u8 *ieee80211_ie_build_eht_cap(u8 *pos,
 	return pos;
 }
 
-void ieee80211_fragment_element(struct sk_buff *skb, u8 *len_pos)
+void ieee80211_fragment_element(struct sk_buff *skb, u8 *len_pos, u8 frag_id)
 {
 	unsigned int elem_len;
 
@@ -5069,7 +5069,7 @@ void ieee80211_fragment_element(struct sk_buff *skb, u8 *len_pos)
 		memmove(len_pos + 255 + 3, len_pos + 255 + 1, elem_len);
 		/* place the fragment ID */
 		len_pos += 255 + 1;
-		*len_pos = WLAN_EID_FRAGMENT;
+		*len_pos = frag_id;
 		/* and point to fragment length to update later */
 		len_pos++;
 	}
diff --git a/net/netfilter/nf_flow_table_core.c b/net/netfilter/nf_flow_table_core.c
index 04bd0ed4d2ae..b0ef48b21dcb 100644
--- a/net/netfilter/nf_flow_table_core.c
+++ b/net/netfilter/nf_flow_table_core.c
@@ -317,12 +317,12 @@ int flow_offload_add(struct nf_flowtable *flow_table, struct flow_offload *flow)
 EXPORT_SYMBOL_GPL(flow_offload_add);
 
 void flow_offload_refresh(struct nf_flowtable *flow_table,
-			  struct flow_offload *flow)
+			  struct flow_offload *flow, bool force)
 {
 	u32 timeout;
 
 	timeout = nf_flowtable_time_stamp + flow_offload_get_timeout(flow);
-	if (timeout - READ_ONCE(flow->timeout) > HZ)
+	if (force || timeout - READ_ONCE(flow->timeout) > HZ)
 		WRITE_ONCE(flow->timeout, timeout);
 	else
 		return;
@@ -334,6 +334,12 @@ void flow_offload_refresh(struct nf_flowtable *flow_table,
 }
 EXPORT_SYMBOL_GPL(flow_offload_refresh);
 
+static bool nf_flow_is_outdated(const struct flow_offload *flow)
+{
+	return test_bit(IPS_SEEN_REPLY_BIT, &flow->ct->status) &&
+		!test_bit(NF_FLOW_HW_ESTABLISHED, &flow->flags);
+}
+
 static inline bool nf_flow_has_expired(const struct flow_offload *flow)
 {
 	return nf_flow_timeout_delta(flow->timeout) <= 0;
@@ -423,7 +429,8 @@ static void nf_flow_offload_gc_step(struct nf_flowtable *flow_table,
 				    struct flow_offload *flow, void *data)
 {
 	if (nf_flow_has_expired(flow) ||
-	    nf_ct_is_dying(flow->ct))
+	    nf_ct_is_dying(flow->ct) ||
+	    nf_flow_is_outdated(flow))
 		flow_offload_teardown(flow);
 
 	if (test_bit(NF_FLOW_TEARDOWN, &flow->flags)) {
diff --git a/net/netfilter/nf_flow_table_ip.c b/net/netfilter/nf_flow_table_ip.c
index 19efba1e51ef..3bbaf9c7ea46 100644
--- a/net/netfilter/nf_flow_table_ip.c
+++ b/net/netfilter/nf_flow_table_ip.c
@@ -384,7 +384,7 @@ nf_flow_offload_ip_hook(void *priv, struct sk_buff *skb,
 	if (skb_try_make_writable(skb, thoff + hdrsize))
 		return NF_DROP;
 
-	flow_offload_refresh(flow_table, flow);
+	flow_offload_refresh(flow_table, flow, false);
 
 	nf_flow_encap_pop(skb, tuplehash);
 	thoff -= offset;
@@ -650,7 +650,7 @@ nf_flow_offload_ipv6_hook(void *priv, struct sk_buff *skb,
 	if (skb_try_make_writable(skb, thoff + hdrsize))
 		return NF_DROP;
 
-	flow_offload_refresh(flow_table, flow);
+	flow_offload_refresh(flow_table, flow, false);
 
 	nf_flow_encap_pop(skb, tuplehash);
 
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 0519d45ede6b..69bceefaa5c8 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -3844,7 +3844,8 @@ err_destroy_flow_rule:
 	if (flow)
 		nft_flow_rule_destroy(flow);
 err_release_rule:
-	nf_tables_rule_release(&ctx, rule);
+	nft_rule_expr_deactivate(&ctx, rule, NFT_TRANS_PREPARE);
+	nf_tables_rule_destroy(&ctx, rule);
 err_release_expr:
 	for (i = 0; i < n; i++) {
 		if (expr_info[i].ops) {
@@ -4919,6 +4920,7 @@ static int nf_tables_newset(struct sk_buff *skb, const struct nfnl_info *info,
 
 	set->num_exprs = num_exprs;
 	set->handle = nf_tables_alloc_handle(table);
+	INIT_LIST_HEAD(&set->pending_update);
 
 	err = nft_trans_set_add(&ctx, NFT_MSG_NEWSET, set);
 	if (err < 0)
@@ -9275,10 +9277,25 @@ static void nf_tables_commit_audit_log(struct list_head *adl, u32 generation)
 	}
 }
 
+static void nft_set_commit_update(struct list_head *set_update_list)
+{
+	struct nft_set *set, *next;
+
+	list_for_each_entry_safe(set, next, set_update_list, pending_update) {
+		list_del_init(&set->pending_update);
+
+		if (!set->ops->commit)
+			continue;
+
+		set->ops->commit(set);
+	}
+}
+
 static int nf_tables_commit(struct net *net, struct sk_buff *skb)
 {
 	struct nftables_pernet *nft_net = nft_pernet(net);
 	struct nft_trans *trans, *next;
+	LIST_HEAD(set_update_list);
 	struct nft_trans_elem *te;
 	struct nft_chain *chain;
 	struct nft_table *table;
@@ -9453,6 +9470,11 @@ static int nf_tables_commit(struct net *net, struct sk_buff *skb)
 			nf_tables_setelem_notify(&trans->ctx, te->set,
 						 &te->elem,
 						 NFT_MSG_NEWSETELEM);
+			if (te->set->ops->commit &&
+			    list_empty(&te->set->pending_update)) {
+				list_add_tail(&te->set->pending_update,
+					      &set_update_list);
+			}
 			nft_trans_destroy(trans);
 			break;
 		case NFT_MSG_DELSETELEM:
@@ -9467,6 +9489,11 @@ static int nf_tables_commit(struct net *net, struct sk_buff *skb)
 				atomic_dec(&te->set->nelems);
 				te->set->ndeact--;
 			}
+			if (te->set->ops->commit &&
+			    list_empty(&te->set->pending_update)) {
+				list_add_tail(&te->set->pending_update,
+					      &set_update_list);
+			}
 			break;
 		case NFT_MSG_NEWOBJ:
 			if (nft_trans_obj_update(trans)) {
@@ -9529,6 +9556,8 @@ static int nf_tables_commit(struct net *net, struct sk_buff *skb)
 		}
 	}
 
+	nft_set_commit_update(&set_update_list);
+
 	nft_commit_notify(net, NETLINK_CB(skb).portid);
 	nf_tables_gen_notify(net, skb, NFT_MSG_NEWGEN);
 	nf_tables_commit_audit_log(&adl, nft_net->base_seq);
@@ -9588,10 +9617,25 @@ static void nf_tables_abort_release(struct nft_trans *trans)
 	kfree(trans);
 }
 
+static void nft_set_abort_update(struct list_head *set_update_list)
+{
+	struct nft_set *set, *next;
+
+	list_for_each_entry_safe(set, next, set_update_list, pending_update) {
+		list_del_init(&set->pending_update);
+
+		if (!set->ops->abort)
+			continue;
+
+		set->ops->abort(set);
+	}
+}
+
 static int __nf_tables_abort(struct net *net, enum nfnl_abort_action action)
 {
 	struct nftables_pernet *nft_net = nft_pernet(net);
 	struct nft_trans *trans, *next;
+	LIST_HEAD(set_update_list);
 	struct nft_trans_elem *te;
 
 	if (action == NFNL_ABORT_VALIDATE &&
@@ -9701,6 +9745,12 @@ static int __nf_tables_abort(struct net *net, enum nfnl_abort_action action)
 			nft_setelem_remove(net, te->set, &te->elem);
 			if (!nft_setelem_is_catchall(te->set, &te->elem))
 				atomic_dec(&te->set->nelems);
+
+			if (te->set->ops->abort &&
+			    list_empty(&te->set->pending_update)) {
+				list_add_tail(&te->set->pending_update,
+					      &set_update_list);
+			}
 			break;
 		case NFT_MSG_DELSETELEM:
 		case NFT_MSG_DESTROYSETELEM:
@@ -9711,6 +9761,11 @@ static int __nf_tables_abort(struct net *net, enum nfnl_abort_action action)
 			if (!nft_setelem_is_catchall(te->set, &te->elem))
 				te->set->ndeact--;
 
+			if (te->set->ops->abort &&
+			    list_empty(&te->set->pending_update)) {
+				list_add_tail(&te->set->pending_update,
+					      &set_update_list);
+			}
 			nft_trans_destroy(trans);
 			break;
 		case NFT_MSG_NEWOBJ:
@@ -9753,6 +9808,8 @@ static int __nf_tables_abort(struct net *net, enum nfnl_abort_action action)
 		}
 	}
 
+	nft_set_abort_update(&set_update_list);
+
 	synchronize_rcu();
 
 	list_for_each_entry_safe_reverse(trans, next,
diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c
index ae7146475d17..c9fbe0f707b5 100644
--- a/net/netfilter/nfnetlink.c
+++ b/net/netfilter/nfnetlink.c
@@ -533,7 +533,8 @@ ack:
 			 * processed, this avoids that the same error is
 			 * reported several times when replaying the batch.
 			 */
-			if (nfnl_err_add(&err_list, nlh, err, &extack) < 0) {
+			if (err == -ENOMEM ||
+			    nfnl_err_add(&err_list, nlh, err, &extack) < 0) {
 				/* We failed to enqueue an error, reset the
 				 * list of errors and send OOM to userspace
 				 * pointing to the batch header.
diff --git a/net/netfilter/nft_set_pipapo.c b/net/netfilter/nft_set_pipapo.c
index 06d46d182634..15e451dc3fc4 100644
--- a/net/netfilter/nft_set_pipapo.c
+++ b/net/netfilter/nft_set_pipapo.c
@@ -1600,17 +1600,10 @@ static void pipapo_free_fields(struct nft_pipapo_match *m)
 	}
 }
 
-/**
- * pipapo_reclaim_match - RCU callback to free fields from old matching data
- * @rcu:	RCU head
- */
-static void pipapo_reclaim_match(struct rcu_head *rcu)
+static void pipapo_free_match(struct nft_pipapo_match *m)
 {
-	struct nft_pipapo_match *m;
 	int i;
 
-	m = container_of(rcu, struct nft_pipapo_match, rcu);
-
 	for_each_possible_cpu(i)
 		kfree(*per_cpu_ptr(m->scratch, i));
 
@@ -1625,7 +1618,19 @@ static void pipapo_reclaim_match(struct rcu_head *rcu)
 }
 
 /**
- * pipapo_commit() - Replace lookup data with current working copy
+ * pipapo_reclaim_match - RCU callback to free fields from old matching data
+ * @rcu:	RCU head
+ */
+static void pipapo_reclaim_match(struct rcu_head *rcu)
+{
+	struct nft_pipapo_match *m;
+
+	m = container_of(rcu, struct nft_pipapo_match, rcu);
+	pipapo_free_match(m);
+}
+
+/**
+ * nft_pipapo_commit() - Replace lookup data with current working copy
  * @set:	nftables API set representation
  *
  * While at it, check if we should perform garbage collection on the working
@@ -1635,7 +1640,7 @@ static void pipapo_reclaim_match(struct rcu_head *rcu)
  * We also need to create a new working copy for subsequent insertions and
  * deletions.
  */
-static void pipapo_commit(const struct nft_set *set)
+static void nft_pipapo_commit(const struct nft_set *set)
 {
 	struct nft_pipapo *priv = nft_set_priv(set);
 	struct nft_pipapo_match *new_clone, *old;
@@ -1660,6 +1665,26 @@ static void pipapo_commit(const struct nft_set *set)
 	priv->clone = new_clone;
 }
 
+static void nft_pipapo_abort(const struct nft_set *set)
+{
+	struct nft_pipapo *priv = nft_set_priv(set);
+	struct nft_pipapo_match *new_clone, *m;
+
+	if (!priv->dirty)
+		return;
+
+	m = rcu_dereference(priv->match);
+
+	new_clone = pipapo_clone(m);
+	if (IS_ERR(new_clone))
+		return;
+
+	priv->dirty = false;
+
+	pipapo_free_match(priv->clone);
+	priv->clone = new_clone;
+}
+
 /**
  * nft_pipapo_activate() - Mark element reference as active given key, commit
  * @net:	Network namespace
@@ -1667,8 +1692,7 @@ static void pipapo_commit(const struct nft_set *set)
  * @elem:	nftables API element representation containing key data
  *
  * On insertion, elements are added to a copy of the matching data currently
- * in use for lookups, and not directly inserted into current lookup data, so
- * we'll take care of that by calling pipapo_commit() here. Both
+ * in use for lookups, and not directly inserted into current lookup data. Both
  * nft_pipapo_insert() and nft_pipapo_activate() are called once for each
  * element, hence we can't purpose either one as a real commit operation.
  */
@@ -1684,8 +1708,6 @@ static void nft_pipapo_activate(const struct net *net,
 
 	nft_set_elem_change_active(net, set, &e->ext);
 	nft_set_elem_clear_busy(&e->ext);
-
-	pipapo_commit(set);
 }
 
 /**
@@ -1931,7 +1953,6 @@ static void nft_pipapo_remove(const struct net *net, const struct nft_set *set,
 		if (i == m->field_count) {
 			priv->dirty = true;
 			pipapo_drop(m, rulemap);
-			pipapo_commit(set);
 			return;
 		}
 
@@ -2230,6 +2251,8 @@ const struct nft_set_type nft_set_pipapo_type = {
 		.init		= nft_pipapo_init,
 		.destroy	= nft_pipapo_destroy,
 		.gc_init	= nft_pipapo_gc_init,
+		.commit		= nft_pipapo_commit,
+		.abort		= nft_pipapo_abort,
 		.elemsize	= offsetof(struct nft_pipapo_elem, ext),
 	},
 };
@@ -2252,6 +2275,8 @@ const struct nft_set_type nft_set_pipapo_avx2_type = {
 		.init		= nft_pipapo_init,
 		.destroy	= nft_pipapo_destroy,
 		.gc_init	= nft_pipapo_gc_init,
+		.commit		= nft_pipapo_commit,
+		.abort		= nft_pipapo_abort,
 		.elemsize	= offsetof(struct nft_pipapo_elem, ext),
 	},
 };
diff --git a/net/netlabel/netlabel_kapi.c b/net/netlabel/netlabel_kapi.c
index 54c083003947..27511c90a26f 100644
--- a/net/netlabel/netlabel_kapi.c
+++ b/net/netlabel/netlabel_kapi.c
@@ -857,7 +857,8 @@ int netlbl_catmap_setlong(struct netlbl_lsm_catmap **catmap,
 
 	offset -= iter->startbit;
 	idx = offset / NETLBL_CATMAP_MAPSIZE;
-	iter->bitmap[idx] |= bitmap << (offset % NETLBL_CATMAP_MAPSIZE);
+	iter->bitmap[idx] |= (NETLBL_CATMAP_MAPTYPE)bitmap
+			     << (offset % NETLBL_CATMAP_MAPSIZE);
 
 	return 0;
 }
diff --git a/net/sched/act_ct.c b/net/sched/act_ct.c
index 9cc0bc7c71ed..abc71a06d634 100644
--- a/net/sched/act_ct.c
+++ b/net/sched/act_ct.c
@@ -610,6 +610,7 @@ static bool tcf_ct_flow_table_lookup(struct tcf_ct_params *p,
 	struct flow_offload_tuple tuple = {};
 	enum ip_conntrack_info ctinfo;
 	struct tcphdr *tcph = NULL;
+	bool force_refresh = false;
 	struct flow_offload *flow;
 	struct nf_conn *ct;
 	u8 dir;
@@ -647,6 +648,7 @@ static bool tcf_ct_flow_table_lookup(struct tcf_ct_params *p,
 			 * established state, then don't refresh.
 			 */
 			return false;
+		force_refresh = true;
 	}
 
 	if (tcph && (unlikely(tcph->fin || tcph->rst))) {
@@ -660,7 +662,12 @@ static bool tcf_ct_flow_table_lookup(struct tcf_ct_params *p,
 	else
 		ctinfo = IP_CT_ESTABLISHED_REPLY;
 
-	flow_offload_refresh(nf_ft, flow);
+	flow_offload_refresh(nf_ft, flow, force_refresh);
+	if (!test_bit(IPS_ASSURED_BIT, &ct->status)) {
+		/* Process this flow in SW to allow promoting to ASSURED */
+		return false;
+	}
+
 	nf_conntrack_get(&ct->ct_general);
 	nf_ct_set(skb, ct, ctinfo);
 	if (nf_ft->flags & NF_FLOWTABLE_COUNTER)
diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c
index fc945c7e4123..c819b812a899 100644
--- a/net/sched/act_pedit.c
+++ b/net/sched/act_pedit.c
@@ -13,7 +13,10 @@
 #include <linux/rtnetlink.h>
 #include <linux/module.h>
 #include <linux/init.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
 #include <linux/slab.h>
+#include <net/ipv6.h>
 #include <net/netlink.h>
 #include <net/pkt_sched.h>
 #include <linux/tc_act/tc_pedit.h>
@@ -327,28 +330,58 @@ static bool offset_valid(struct sk_buff *skb, int offset)
 	return true;
 }
 
-static void pedit_skb_hdr_offset(struct sk_buff *skb,
+static int pedit_l4_skb_offset(struct sk_buff *skb, int *hoffset, const int header_type)
+{
+	const int noff = skb_network_offset(skb);
+	int ret = -EINVAL;
+	struct iphdr _iph;
+
+	switch (skb->protocol) {
+	case htons(ETH_P_IP): {
+		const struct iphdr *iph = skb_header_pointer(skb, noff, sizeof(_iph), &_iph);
+
+		if (!iph)
+			goto out;
+		*hoffset = noff + iph->ihl * 4;
+		ret = 0;
+		break;
+	}
+	case htons(ETH_P_IPV6):
+		ret = ipv6_find_hdr(skb, hoffset, header_type, NULL, NULL) == header_type ? 0 : -EINVAL;
+		break;
+	}
+out:
+	return ret;
+}
+
+static int pedit_skb_hdr_offset(struct sk_buff *skb,
 				 enum pedit_header_type htype, int *hoffset)
 {
+	int ret = -EINVAL;
 	/* 'htype' is validated in the netlink parsing */
 	switch (htype) {
 	case TCA_PEDIT_KEY_EX_HDR_TYPE_ETH:
-		if (skb_mac_header_was_set(skb))
+		if (skb_mac_header_was_set(skb)) {
 			*hoffset = skb_mac_offset(skb);
+			ret = 0;
+		}
 		break;
 	case TCA_PEDIT_KEY_EX_HDR_TYPE_NETWORK:
 	case TCA_PEDIT_KEY_EX_HDR_TYPE_IP4:
 	case TCA_PEDIT_KEY_EX_HDR_TYPE_IP6:
 		*hoffset = skb_network_offset(skb);
+		ret = 0;
 		break;
 	case TCA_PEDIT_KEY_EX_HDR_TYPE_TCP:
+		ret = pedit_l4_skb_offset(skb, hoffset, IPPROTO_TCP);
+		break;
 	case TCA_PEDIT_KEY_EX_HDR_TYPE_UDP:
-		if (skb_transport_header_was_set(skb))
-			*hoffset = skb_transport_offset(skb);
+		ret = pedit_l4_skb_offset(skb, hoffset, IPPROTO_UDP);
 		break;
 	default:
 		break;
 	}
+	return ret;
 }
 
 TC_INDIRECT_SCOPE int tcf_pedit_act(struct sk_buff *skb,
@@ -384,6 +417,7 @@ TC_INDIRECT_SCOPE int tcf_pedit_act(struct sk_buff *skb,
 		int hoffset = 0;
 		u32 *ptr, hdata;
 		u32 val;
+		int rc;
 
 		if (tkey_ex) {
 			htype = tkey_ex->htype;
@@ -392,7 +426,11 @@ TC_INDIRECT_SCOPE int tcf_pedit_act(struct sk_buff *skb,
 			tkey_ex++;
 		}
 
-		pedit_skb_hdr_offset(skb, htype, &hoffset);
+		rc = pedit_skb_hdr_offset(skb, htype, &hoffset);
+		if (rc) {
+			pr_info_ratelimited("tc action pedit unable to extract header offset for header type (0x%x)\n", htype);
+			goto bad;
+		}
 
 		if (tkey->offmask) {
 			u8 *d, _d;
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index c877a6343fd4..a193cc7b3241 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -657,8 +657,8 @@ static void __tcf_chain_put(struct tcf_chain *chain, bool by_act,
 {
 	struct tcf_block *block = chain->block;
 	const struct tcf_proto_ops *tmplt_ops;
+	unsigned int refcnt, non_act_refcnt;
 	bool free_block = false;
-	unsigned int refcnt;
 	void *tmplt_priv;
 
 	mutex_lock(&block->lock);
@@ -678,13 +678,15 @@ static void __tcf_chain_put(struct tcf_chain *chain, bool by_act,
 	 * save these to temporary variables.
 	 */
 	refcnt = --chain->refcnt;
+	non_act_refcnt = refcnt - chain->action_refcnt;
 	tmplt_ops = chain->tmplt_ops;
 	tmplt_priv = chain->tmplt_priv;
 
-	/* The last dropped non-action reference will trigger notification. */
-	if (refcnt - chain->action_refcnt == 0 && !by_act) {
-		tc_chain_notify_delete(tmplt_ops, tmplt_priv, chain->index,
-				       block, NULL, 0, 0, false);
+	if (non_act_refcnt == chain->explicitly_created && !by_act) {
+		if (non_act_refcnt == 0)
+			tc_chain_notify_delete(tmplt_ops, tmplt_priv,
+					       chain->index, block, NULL, 0, 0,
+					       false);
 		/* Last reference to chain, no need to lock. */
 		chain->flushing = false;
 	}
diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c
index 4e2e269f121f..d15d50de7980 100644
--- a/net/sched/cls_u32.c
+++ b/net/sched/cls_u32.c
@@ -718,13 +718,19 @@ static int u32_set_parms(struct net *net, struct tcf_proto *tp,
 			 struct nlattr *est, u32 flags, u32 fl_flags,
 			 struct netlink_ext_ack *extack)
 {
-	int err;
+	int err, ifindex = -1;
 
 	err = tcf_exts_validate_ex(net, tp, tb, est, &n->exts, flags,
 				   fl_flags, extack);
 	if (err < 0)
 		return err;
 
+	if (tb[TCA_U32_INDEV]) {
+		ifindex = tcf_change_indev(net, tb[TCA_U32_INDEV], extack);
+		if (ifindex < 0)
+			return -EINVAL;
+	}
+
 	if (tb[TCA_U32_LINK]) {
 		u32 handle = nla_get_u32(tb[TCA_U32_LINK]);
 		struct tc_u_hnode *ht_down = NULL, *ht_old;
@@ -759,13 +765,9 @@ static int u32_set_parms(struct net *net, struct tcf_proto *tp,
 		tcf_bind_filter(tp, &n->res, base);
 	}
 
-	if (tb[TCA_U32_INDEV]) {
-		int ret;
-		ret = tcf_change_indev(net, tb[TCA_U32_INDEV], extack);
-		if (ret < 0)
-			return -EINVAL;
-		n->ifindex = ret;
-	}
+	if (ifindex >= 0)
+		n->ifindex = ifindex;
+
 	return 0;
 }
 
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index e4b6452318c0..aa6b1fe65151 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -1079,17 +1079,29 @@ static int qdisc_graft(struct net_device *dev, struct Qdisc *parent,
 
 	if (parent == NULL) {
 		unsigned int i, num_q, ingress;
+		struct netdev_queue *dev_queue;
 
 		ingress = 0;
 		num_q = dev->num_tx_queues;
 		if ((q && q->flags & TCQ_F_INGRESS) ||
 		    (new && new->flags & TCQ_F_INGRESS)) {
-			num_q = 1;
 			ingress = 1;
-			if (!dev_ingress_queue(dev)) {
+			dev_queue = dev_ingress_queue(dev);
+			if (!dev_queue) {
 				NL_SET_ERR_MSG(extack, "Device does not have an ingress queue");
 				return -ENOENT;
 			}
+
+			q = rtnl_dereference(dev_queue->qdisc_sleeping);
+
+			/* This is the counterpart of that qdisc_refcount_inc_nz() call in
+			 * __tcf_qdisc_find() for filter requests.
+			 */
+			if (!qdisc_refcount_dec_if_one(q)) {
+				NL_SET_ERR_MSG(extack,
+					       "Current ingress or clsact Qdisc has ongoing filter requests");
+				return -EBUSY;
+			}
 		}
 
 		if (dev->flags & IFF_UP)
@@ -1100,18 +1112,26 @@ static int qdisc_graft(struct net_device *dev, struct Qdisc *parent,
 		if (new && new->ops->attach && !ingress)
 			goto skip;
 
-		for (i = 0; i < num_q; i++) {
-			struct netdev_queue *dev_queue = dev_ingress_queue(dev);
-
-			if (!ingress)
+		if (!ingress) {
+			for (i = 0; i < num_q; i++) {
 				dev_queue = netdev_get_tx_queue(dev, i);
+				old = dev_graft_qdisc(dev_queue, new);
 
-			old = dev_graft_qdisc(dev_queue, new);
-			if (new && i > 0)
-				qdisc_refcount_inc(new);
-
-			if (!ingress)
+				if (new && i > 0)
+					qdisc_refcount_inc(new);
 				qdisc_put(old);
+			}
+		} else {
+			old = dev_graft_qdisc(dev_queue, NULL);
+
+			/* {ingress,clsact}_destroy() @old before grafting @new to avoid
+			 * unprotected concurrent accesses to net_device::miniq_{in,e}gress
+			 * pointer(s) in mini_qdisc_pair_swap().
+			 */
+			qdisc_notify(net, skb, n, classid, old, new, extack);
+			qdisc_destroy(old);
+
+			dev_graft_qdisc(dev_queue, new);
 		}
 
 skip:
@@ -1125,8 +1145,6 @@ skip:
 
 			if (new && new->ops->attach)
 				new->ops->attach(new);
-		} else {
-			notify_and_destroy(net, skb, n, classid, old, new, extack);
 		}
 
 		if (dev->flags & IFF_UP)
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index 3248259eba32..5d7e23f4cc0e 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -1046,7 +1046,7 @@ static void qdisc_free_cb(struct rcu_head *head)
 	qdisc_free(q);
 }
 
-static void qdisc_destroy(struct Qdisc *qdisc)
+static void __qdisc_destroy(struct Qdisc *qdisc)
 {
 	const struct Qdisc_ops  *ops = qdisc->ops;
 
@@ -1070,6 +1070,14 @@ static void qdisc_destroy(struct Qdisc *qdisc)
 	call_rcu(&qdisc->rcu, qdisc_free_cb);
 }
 
+void qdisc_destroy(struct Qdisc *qdisc)
+{
+	if (qdisc->flags & TCQ_F_BUILTIN)
+		return;
+
+	__qdisc_destroy(qdisc);
+}
+
 void qdisc_put(struct Qdisc *qdisc)
 {
 	if (!qdisc)
@@ -1079,7 +1087,7 @@ void qdisc_put(struct Qdisc *qdisc)
 	    !refcount_dec_and_test(&qdisc->refcnt))
 		return;
 
-	qdisc_destroy(qdisc);
+	__qdisc_destroy(qdisc);
 }
 EXPORT_SYMBOL(qdisc_put);
 
@@ -1094,7 +1102,7 @@ void qdisc_put_unlocked(struct Qdisc *qdisc)
 	    !refcount_dec_and_rtnl_lock(&qdisc->refcnt))
 		return;
 
-	qdisc_destroy(qdisc);
+	__qdisc_destroy(qdisc);
 	rtnl_unlock();
 }
 EXPORT_SYMBOL(qdisc_put_unlocked);
diff --git a/net/sched/sch_taprio.c b/net/sched/sch_taprio.c
index dd7dea2f6e83..cf0e61ed9225 100644
--- a/net/sched/sch_taprio.c
+++ b/net/sched/sch_taprio.c
@@ -797,6 +797,9 @@ static struct sk_buff *taprio_dequeue_tc_priority(struct Qdisc *sch,
 
 			taprio_next_tc_txq(dev, tc, &q->cur_txq[tc]);
 
+			if (q->cur_txq[tc] >= dev->num_tx_queues)
+				q->cur_txq[tc] = first_txq;
+
 			if (skb)
 				return skb;
 		} while (q->cur_txq[tc] != first_txq);
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index 7fbeb99d8d32..23d6633966b1 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -1250,7 +1250,10 @@ static int sctp_side_effects(enum sctp_event_type event_type,
 	default:
 		pr_err("impossible disposition %d in state %d, event_type %d, event_id %d\n",
 		       status, state, event_type, subtype.chunk);
-		BUG();
+		error = status;
+		if (error >= 0)
+			error = -EINVAL;
+		WARN_ON_ONCE(1);
 		break;
 	}
 
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index 97f1155a2045..08fdf1251f46 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -4482,7 +4482,7 @@ enum sctp_disposition sctp_sf_eat_auth(struct net *net,
 				    SCTP_AUTH_NEW_KEY, GFP_ATOMIC);
 
 		if (!ev)
-			return -ENOMEM;
+			return SCTP_DISPOSITION_NOMEM;
 
 		sctp_add_cmd_sf(commands, SCTP_CMD_EVENT_ULP,
 				SCTP_ULPEVENT(ev));
diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c
index 53881406e200..cdcd2731860b 100644
--- a/net/tipc/bearer.c
+++ b/net/tipc/bearer.c
@@ -1258,7 +1258,7 @@ int tipc_nl_media_get(struct sk_buff *skb, struct genl_info *info)
 	struct tipc_nl_msg msg;
 	struct tipc_media *media;
 	struct sk_buff *rep;
-	struct nlattr *attrs[TIPC_NLA_BEARER_MAX + 1];
+	struct nlattr *attrs[TIPC_NLA_MEDIA_MAX + 1];
 
 	if (!info->attrs[TIPC_NLA_MEDIA])
 		return -EINVAL;
@@ -1307,7 +1307,7 @@ int __tipc_nl_media_set(struct sk_buff *skb, struct genl_info *info)
 	int err;
 	char *name;
 	struct tipc_media *m;
-	struct nlattr *attrs[TIPC_NLA_BEARER_MAX + 1];
+	struct nlattr *attrs[TIPC_NLA_MEDIA_MAX + 1];
 
 	if (!info->attrs[TIPC_NLA_MEDIA])
 		return -EINVAL;
diff --git a/net/wireless/rdev-ops.h b/net/wireless/rdev-ops.h
index 2e497cf26ef2..69b508743e57 100644
--- a/net/wireless/rdev-ops.h
+++ b/net/wireless/rdev-ops.h
@@ -2,7 +2,7 @@
 /*
  * Portions of this file
  * Copyright(c) 2016-2017 Intel Deutschland GmbH
- * Copyright (C) 2018, 2021-2022 Intel Corporation
+ * Copyright (C) 2018, 2021-2023 Intel Corporation
  */
 #ifndef __CFG80211_RDEV_OPS
 #define __CFG80211_RDEV_OPS
@@ -1441,8 +1441,8 @@ rdev_del_intf_link(struct cfg80211_registered_device *rdev,
 		   unsigned int link_id)
 {
 	trace_rdev_del_intf_link(&rdev->wiphy, wdev, link_id);
-	if (rdev->ops->add_intf_link)
-		rdev->ops->add_intf_link(&rdev->wiphy, wdev, link_id);
+	if (rdev->ops->del_intf_link)
+		rdev->ops->del_intf_link(&rdev->wiphy, wdev, link_id);
 	trace_rdev_return_void(&rdev->wiphy);
 }
 
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 949e1fb3bec6..26f11e4746c0 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -2404,11 +2404,8 @@ static bool reg_wdev_chan_valid(struct wiphy *wiphy, struct wireless_dev *wdev)
 		case NL80211_IFTYPE_P2P_GO:
 		case NL80211_IFTYPE_ADHOC:
 		case NL80211_IFTYPE_MESH_POINT:
-			wiphy_lock(wiphy);
 			ret = cfg80211_reg_can_beacon_relax(wiphy, &chandef,
 							    iftype);
-			wiphy_unlock(wiphy);
-
 			if (!ret)
 				return ret;
 			break;
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 3bc0c3072e78..9755ef281040 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -5,7 +5,7 @@
  * Copyright 2007-2009	Johannes Berg <johannes@sipsolutions.net>
  * Copyright 2013-2014  Intel Mobile Communications GmbH
  * Copyright 2017	Intel Deutschland GmbH
- * Copyright (C) 2018-2022 Intel Corporation
+ * Copyright (C) 2018-2023 Intel Corporation
  */
 #include <linux/export.h>
 #include <linux/bitops.h>
@@ -2558,6 +2558,13 @@ void cfg80211_remove_links(struct wireless_dev *wdev)
 {
 	unsigned int link_id;
 
+	/*
+	 * links are controlled by upper layers (userspace/cfg)
+	 * only for AP mode, so only remove them here for AP
+	 */
+	if (wdev->iftype != NL80211_IFTYPE_AP)
+		return;
+
 	wdev_lock(wdev);
 	if (wdev->valid_links) {
 		for_each_valid_link(wdev, link_id)
diff --git a/tools/testing/selftests/net/forwarding/hw_stats_l3.sh b/tools/testing/selftests/net/forwarding/hw_stats_l3.sh
index 432fe8469851..48584a51388f 100755
--- a/tools/testing/selftests/net/forwarding/hw_stats_l3.sh
+++ b/tools/testing/selftests/net/forwarding/hw_stats_l3.sh
@@ -84,8 +84,9 @@ h2_destroy()
 
 router_rp1_200_create()
 {
-	ip link add name $rp1.200 up \
-		link $rp1 addrgenmode eui64 type vlan id 200
+	ip link add name $rp1.200 link $rp1 type vlan id 200
+	ip link set dev $rp1.200 addrgenmode eui64
+	ip link set dev $rp1.200 up
 	ip address add dev $rp1.200 192.0.2.2/28
 	ip address add dev $rp1.200 2001:db8:1::2/64
 	ip stats set dev $rp1.200 l3_stats on
@@ -256,9 +257,11 @@ reapply_config()
 
 	router_rp1_200_destroy
 
-	ip link add name $rp1.200 link $rp1 addrgenmode none type vlan id 200
+	ip link add name $rp1.200 link $rp1 type vlan id 200
+	ip link set dev $rp1.200 addrgenmode none
 	ip stats set dev $rp1.200 l3_stats on
-	ip link set dev $rp1.200 up addrgenmode eui64
+	ip link set dev $rp1.200 addrgenmode eui64
+	ip link set dev $rp1.200 up
 	ip address add dev $rp1.200 192.0.2.2/28
 	ip address add dev $rp1.200 2001:db8:1::2/64
 }
diff --git a/tools/testing/selftests/net/mptcp/config b/tools/testing/selftests/net/mptcp/config
index 38021a0dd527..6032f9b23c4c 100644
--- a/tools/testing/selftests/net/mptcp/config
+++ b/tools/testing/selftests/net/mptcp/config
@@ -1,3 +1,4 @@
+CONFIG_KALLSYMS=y
 CONFIG_MPTCP=y
 CONFIG_IPV6=y
 CONFIG_MPTCP_IPV6=y
diff --git a/tools/testing/selftests/net/mptcp/diag.sh b/tools/testing/selftests/net/mptcp/diag.sh
index 4eacdb1ab962..fa9e09ad97d9 100755
--- a/tools/testing/selftests/net/mptcp/diag.sh
+++ b/tools/testing/selftests/net/mptcp/diag.sh
@@ -55,16 +55,20 @@ __chk_nr()
 {
 	local command="$1"
 	local expected=$2
-	local msg nr
+	local msg="$3"
+	local skip="${4:-SKIP}"
+	local nr
 
-	shift 2
-	msg=$*
 	nr=$(eval $command)
 
 	printf "%-50s" "$msg"
 	if [ $nr != $expected ]; then
-		echo "[ fail ] expected $expected found $nr"
-		ret=$test_cnt
+		if [ $nr = "$skip" ] && ! mptcp_lib_expect_all_features; then
+			echo "[ skip ] Feature probably not supported"
+		else
+			echo "[ fail ] expected $expected found $nr"
+			ret=$test_cnt
+		fi
 	else
 		echo "[  ok  ]"
 	fi
@@ -76,12 +80,12 @@ __chk_msk_nr()
 	local condition=$1
 	shift 1
 
-	__chk_nr "ss -inmHMN $ns | $condition" $*
+	__chk_nr "ss -inmHMN $ns | $condition" "$@"
 }
 
 chk_msk_nr()
 {
-	__chk_msk_nr "grep -c token:" $*
+	__chk_msk_nr "grep -c token:" "$@"
 }
 
 wait_msk_nr()
@@ -119,37 +123,26 @@ wait_msk_nr()
 
 chk_msk_fallback_nr()
 {
-		__chk_msk_nr "grep -c fallback" $*
+	__chk_msk_nr "grep -c fallback" "$@"
 }
 
 chk_msk_remote_key_nr()
 {
-		__chk_msk_nr "grep -c remote_key" $*
+	__chk_msk_nr "grep -c remote_key" "$@"
 }
 
 __chk_listen()
 {
 	local filter="$1"
 	local expected=$2
+	local msg="$3"
 
-	shift 2
-	msg=$*
-
-	nr=$(ss -N $ns -Ml "$filter" | grep -c LISTEN)
-	printf "%-50s" "$msg"
-
-	if [ $nr != $expected ]; then
-		echo "[ fail ] expected $expected found $nr"
-		ret=$test_cnt
-	else
-		echo "[  ok  ]"
-	fi
+	__chk_nr "ss -N $ns -Ml '$filter' | grep -c LISTEN" "$expected" "$msg" 0
 }
 
 chk_msk_listen()
 {
 	lport=$1
-	local msg="check for listen socket"
 
 	# destination port search should always return empty list
 	__chk_listen "dport $lport" 0 "listen match for dport $lport"
@@ -167,10 +160,9 @@ chk_msk_listen()
 chk_msk_inuse()
 {
 	local expected=$1
+	local msg="$2"
 	local listen_nr
 
-	shift 1
-
 	listen_nr=$(ss -N "${ns}" -Ml | grep -c LISTEN)
 	expected=$((expected + listen_nr))
 
@@ -181,7 +173,7 @@ chk_msk_inuse()
 		sleep 0.1
 	done
 
-	__chk_nr get_msk_inuse $expected $*
+	__chk_nr get_msk_inuse $expected "$msg" 0
 }
 
 # $1: ns, $2: port
diff --git a/tools/testing/selftests/net/mptcp/mptcp_connect.sh b/tools/testing/selftests/net/mptcp/mptcp_connect.sh
index c1f7bac19942..773dd770a567 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_connect.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_connect.sh
@@ -144,6 +144,7 @@ cleanup()
 }
 
 mptcp_lib_check_mptcp
+mptcp_lib_check_kallsyms
 
 ip -Version > /dev/null 2>&1
 if [ $? -ne 0 ];then
@@ -695,6 +696,15 @@ run_test_transparent()
 		return 0
 	fi
 
+	# IP(V6)_TRANSPARENT has been added after TOS support which came with
+	# the required infrastructure in MPTCP sockopt code. To support TOS, the
+	# following function has been exported (T). Not great but better than
+	# checking for a specific kernel version.
+	if ! mptcp_lib_kallsyms_has "T __ip_sock_set_tos$"; then
+		echo "INFO: ${msg} not supported by the kernel: SKIP"
+		return
+	fi
+
 ip netns exec "$listener_ns" nft -f /dev/stdin <<"EOF"
 flush ruleset
 table inet mangle {
@@ -767,6 +777,11 @@ run_tests_peekmode()
 
 run_tests_mptfo()
 {
+	if ! mptcp_lib_kallsyms_has "mptcp_fastopen_"; then
+		echo "INFO: TFO not supported by the kernel: SKIP"
+		return
+	fi
+
 	echo "INFO: with MPTFO start"
 	ip netns exec "$ns1" sysctl -q net.ipv4.tcp_fastopen=2
 	ip netns exec "$ns2" sysctl -q net.ipv4.tcp_fastopen=1
@@ -787,6 +802,11 @@ run_tests_disconnect()
 	local old_cin=$cin
 	local old_sin=$sin
 
+	if ! mptcp_lib_kallsyms_has "mptcp_pm_data_reset$"; then
+		echo "INFO: Full disconnect not supported: SKIP"
+		return
+	fi
+
 	cat $cin $cin $cin > "$cin".disconnect
 
 	# force do_transfer to cope with the multiple tranmissions
diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
index 29f0c99d9a46..0ae8cafde439 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -25,6 +25,8 @@ capout=""
 ns1=""
 ns2=""
 ksft_skip=4
+iptables="iptables"
+ip6tables="ip6tables"
 timeout_poll=30
 timeout_test=$((timeout_poll * 2 + 1))
 capture=0
@@ -82,7 +84,7 @@ init_partial()
 		ip netns add $netns || exit $ksft_skip
 		ip -net $netns link set lo up
 		ip netns exec $netns sysctl -q net.mptcp.enabled=1
-		ip netns exec $netns sysctl -q net.mptcp.pm_type=0
+		ip netns exec $netns sysctl -q net.mptcp.pm_type=0 2>/dev/null || true
 		ip netns exec $netns sysctl -q net.ipv4.conf.all.rp_filter=0
 		ip netns exec $netns sysctl -q net.ipv4.conf.default.rp_filter=0
 		if [ $checksum -eq 1 ]; then
@@ -140,13 +142,18 @@ cleanup_partial()
 check_tools()
 {
 	mptcp_lib_check_mptcp
+	mptcp_lib_check_kallsyms
 
 	if ! ip -Version &> /dev/null; then
 		echo "SKIP: Could not run test without ip tool"
 		exit $ksft_skip
 	fi
 
-	if ! iptables -V &> /dev/null; then
+	# Use the legacy version if available to support old kernel versions
+	if iptables-legacy -V &> /dev/null; then
+		iptables="iptables-legacy"
+		ip6tables="ip6tables-legacy"
+	elif ! iptables -V &> /dev/null; then
 		echo "SKIP: Could not run all tests without iptables tool"
 		exit $ksft_skip
 	fi
@@ -185,6 +192,32 @@ cleanup()
 	cleanup_partial
 }
 
+# $1: msg
+print_title()
+{
+	printf "%03u %-36s %s" "${TEST_COUNT}" "${TEST_NAME}" "${1}"
+}
+
+# [ $1: fail msg ]
+mark_as_skipped()
+{
+	local msg="${1:-"Feature not supported"}"
+
+	mptcp_lib_fail_if_expected_feature "${msg}"
+
+	print_title "[ skip ] ${msg}"
+	printf "\n"
+}
+
+# $@: condition
+continue_if()
+{
+	if ! "${@}"; then
+		mark_as_skipped
+		return 1
+	fi
+}
+
 skip_test()
 {
 	if [ "${#only_tests_ids[@]}" -eq 0 ] && [ "${#only_tests_names[@]}" -eq 0 ]; then
@@ -228,6 +261,19 @@ reset()
 	return 0
 }
 
+# $1: test name ; $2: counter to check
+reset_check_counter()
+{
+	reset "${1}" || return 1
+
+	local counter="${2}"
+
+	if ! nstat -asz "${counter}" | grep -wq "${counter}"; then
+		mark_as_skipped "counter '${counter}' is not available"
+		return 1
+	fi
+}
+
 # $1: test name
 reset_with_cookies()
 {
@@ -247,17 +293,21 @@ reset_with_add_addr_timeout()
 
 	reset "${1}" || return 1
 
-	tables="iptables"
+	tables="${iptables}"
 	if [ $ip -eq 6 ]; then
-		tables="ip6tables"
+		tables="${ip6tables}"
 	fi
 
 	ip netns exec $ns1 sysctl -q net.mptcp.add_addr_timeout=1
-	ip netns exec $ns2 $tables -A OUTPUT -p tcp \
-		-m tcp --tcp-option 30 \
-		-m bpf --bytecode \
-		"$CBPF_MPTCP_SUBOPTION_ADD_ADDR" \
-		-j DROP
+
+	if ! ip netns exec $ns2 $tables -A OUTPUT -p tcp \
+			-m tcp --tcp-option 30 \
+			-m bpf --bytecode \
+			"$CBPF_MPTCP_SUBOPTION_ADD_ADDR" \
+			-j DROP; then
+		mark_as_skipped "unable to set the 'add addr' rule"
+		return 1
+	fi
 }
 
 # $1: test name
@@ -301,22 +351,17 @@ reset_with_allow_join_id0()
 #     tc action pedit offset 162 out of bounds
 #
 # Netfilter is used to mark packets with enough data.
-reset_with_fail()
+setup_fail_rules()
 {
-	reset "${1}" || return 1
-
-	ip netns exec $ns1 sysctl -q net.mptcp.checksum_enabled=1
-	ip netns exec $ns2 sysctl -q net.mptcp.checksum_enabled=1
-
 	check_invert=1
 	validate_checksum=1
-	local i="$2"
-	local ip="${3:-4}"
+	local i="$1"
+	local ip="${2:-4}"
 	local tables
 
-	tables="iptables"
+	tables="${iptables}"
 	if [ $ip -eq 6 ]; then
-		tables="ip6tables"
+		tables="${ip6tables}"
 	fi
 
 	ip netns exec $ns2 $tables \
@@ -326,15 +371,32 @@ reset_with_fail()
 		-p tcp \
 		-m length --length 150:9999 \
 		-m statistic --mode nth --packet 1 --every 99999 \
-		-j MARK --set-mark 42 || exit 1
+		-j MARK --set-mark 42 || return ${ksft_skip}
 
-	tc -n $ns2 qdisc add dev ns2eth$i clsact || exit 1
+	tc -n $ns2 qdisc add dev ns2eth$i clsact || return ${ksft_skip}
 	tc -n $ns2 filter add dev ns2eth$i egress \
 		protocol ip prio 1000 \
 		handle 42 fw \
 		action pedit munge offset 148 u8 invert \
 		pipe csum tcp \
-		index 100 || exit 1
+		index 100 || return ${ksft_skip}
+}
+
+reset_with_fail()
+{
+	reset_check_counter "${1}" "MPTcpExtInfiniteMapTx" || return 1
+	shift
+
+	ip netns exec $ns1 sysctl -q net.mptcp.checksum_enabled=1
+	ip netns exec $ns2 sysctl -q net.mptcp.checksum_enabled=1
+
+	local rc=0
+	setup_fail_rules "${@}" || rc=$?
+
+	if [ ${rc} -eq ${ksft_skip} ]; then
+		mark_as_skipped "unable to set the 'fail' rules"
+		return 1
+	fi
 }
 
 reset_with_events()
@@ -349,6 +411,25 @@ reset_with_events()
 	evts_ns2_pid=$!
 }
 
+reset_with_tcp_filter()
+{
+	reset "${1}" || return 1
+	shift
+
+	local ns="${!1}"
+	local src="${2}"
+	local target="${3}"
+
+	if ! ip netns exec "${ns}" ${iptables} \
+			-A INPUT \
+			-s "${src}" \
+			-p tcp \
+			-j "${target}"; then
+		mark_as_skipped "unable to set the filter rules"
+		return 1
+	fi
+}
+
 fail_test()
 {
 	ret=1
@@ -467,11 +548,25 @@ wait_local_port_listen()
 	done
 }
 
+# $1: ns ; $2: counter
+get_counter()
+{
+	local ns="${1}"
+	local counter="${2}"
+	local count
+
+	count=$(ip netns exec ${ns} nstat -asz "${counter}" | awk 'NR==1 {next} {print $2}')
+	if [ -z "${count}" ]; then
+		mptcp_lib_fail_if_expected_feature "${counter} counter"
+		return 1
+	fi
+
+	echo "${count}"
+}
+
 rm_addr_count()
 {
-	local ns=${1}
-
-	ip netns exec ${ns} nstat -as | grep MPTcpExtRmAddr | awk '{print $2}'
+	get_counter "${1}" "MPTcpExtRmAddr"
 }
 
 # $1: ns, $2: old rm_addr counter in $ns
@@ -494,11 +589,11 @@ wait_mpj()
 	local ns="${1}"
 	local cnt old_cnt
 
-	old_cnt=$(ip netns exec ${ns} nstat -as | grep MPJoinAckRx | awk '{print $2}')
+	old_cnt=$(get_counter ${ns} "MPTcpExtMPJoinAckRx")
 
 	local i
 	for i in $(seq 10); do
-		cnt=$(ip netns exec ${ns} nstat -as | grep MPJoinAckRx | awk '{print $2}')
+		cnt=$(get_counter ${ns} "MPTcpExtMPJoinAckRx")
 		[ "$cnt" = "${old_cnt}" ] || break
 		sleep 0.1
 	done
@@ -698,15 +793,6 @@ pm_nl_check_endpoint()
 	fi
 }
 
-filter_tcp_from()
-{
-	local ns="${1}"
-	local src="${2}"
-	local target="${3}"
-
-	ip netns exec "${ns}" iptables -A INPUT -s "${src}" -p tcp -j "${target}"
-}
-
 do_transfer()
 {
 	local listener_ns="$1"
@@ -1157,12 +1243,13 @@ chk_csum_nr()
 	fi
 
 	printf "%-${nr_blank}s %s" " " "sum"
-	count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtDataCsumErr | awk '{print $2}')
-	[ -z "$count" ] && count=0
+	count=$(get_counter ${ns1} "MPTcpExtDataCsumErr")
 	if [ "$count" != "$csum_ns1" ]; then
 		extra_msg="$extra_msg ns1=$count"
 	fi
-	if { [ "$count" != $csum_ns1 ] && [ $allow_multi_errors_ns1 -eq 0 ]; } ||
+	if [ -z "$count" ]; then
+		echo -n "[skip]"
+	elif { [ "$count" != $csum_ns1 ] && [ $allow_multi_errors_ns1 -eq 0 ]; } ||
 	   { [ "$count" -lt $csum_ns1 ] && [ $allow_multi_errors_ns1 -eq 1 ]; }; then
 		echo "[fail] got $count data checksum error[s] expected $csum_ns1"
 		fail_test
@@ -1171,12 +1258,13 @@ chk_csum_nr()
 		echo -n "[ ok ]"
 	fi
 	echo -n " - csum  "
-	count=$(ip netns exec $ns2 nstat -as | grep MPTcpExtDataCsumErr | awk '{print $2}')
-	[ -z "$count" ] && count=0
+	count=$(get_counter ${ns2} "MPTcpExtDataCsumErr")
 	if [ "$count" != "$csum_ns2" ]; then
 		extra_msg="$extra_msg ns2=$count"
 	fi
-	if { [ "$count" != $csum_ns2 ] && [ $allow_multi_errors_ns2 -eq 0 ]; } ||
+	if [ -z "$count" ]; then
+		echo -n "[skip]"
+	elif { [ "$count" != $csum_ns2 ] && [ $allow_multi_errors_ns2 -eq 0 ]; } ||
 	   { [ "$count" -lt $csum_ns2 ] && [ $allow_multi_errors_ns2 -eq 1 ]; }; then
 		echo "[fail] got $count data checksum error[s] expected $csum_ns2"
 		fail_test
@@ -1218,12 +1306,13 @@ chk_fail_nr()
 	fi
 
 	printf "%-${nr_blank}s %s" " " "ftx"
-	count=$(ip netns exec $ns_tx nstat -as | grep MPTcpExtMPFailTx | awk '{print $2}')
-	[ -z "$count" ] && count=0
+	count=$(get_counter ${ns_tx} "MPTcpExtMPFailTx")
 	if [ "$count" != "$fail_tx" ]; then
 		extra_msg="$extra_msg,tx=$count"
 	fi
-	if { [ "$count" != "$fail_tx" ] && [ $allow_tx_lost -eq 0 ]; } ||
+	if [ -z "$count" ]; then
+		echo -n "[skip]"
+	elif { [ "$count" != "$fail_tx" ] && [ $allow_tx_lost -eq 0 ]; } ||
 	   { [ "$count" -gt "$fail_tx" ] && [ $allow_tx_lost -eq 1 ]; }; then
 		echo "[fail] got $count MP_FAIL[s] TX expected $fail_tx"
 		fail_test
@@ -1233,12 +1322,13 @@ chk_fail_nr()
 	fi
 
 	echo -n " - failrx"
-	count=$(ip netns exec $ns_rx nstat -as | grep MPTcpExtMPFailRx | awk '{print $2}')
-	[ -z "$count" ] && count=0
+	count=$(get_counter ${ns_rx} "MPTcpExtMPFailRx")
 	if [ "$count" != "$fail_rx" ]; then
 		extra_msg="$extra_msg,rx=$count"
 	fi
-	if { [ "$count" != "$fail_rx" ] && [ $allow_rx_lost -eq 0 ]; } ||
+	if [ -z "$count" ]; then
+		echo -n "[skip]"
+	elif { [ "$count" != "$fail_rx" ] && [ $allow_rx_lost -eq 0 ]; } ||
 	   { [ "$count" -gt "$fail_rx" ] && [ $allow_rx_lost -eq 1 ]; }; then
 		echo "[fail] got $count MP_FAIL[s] RX expected $fail_rx"
 		fail_test
@@ -1270,10 +1360,11 @@ chk_fclose_nr()
 	fi
 
 	printf "%-${nr_blank}s %s" " " "ctx"
-	count=$(ip netns exec $ns_tx nstat -as | grep MPTcpExtMPFastcloseTx | awk '{print $2}')
-	[ -z "$count" ] && count=0
-	[ "$count" != "$fclose_tx" ] && extra_msg="$extra_msg,tx=$count"
-	if [ "$count" != "$fclose_tx" ]; then
+	count=$(get_counter ${ns_tx} "MPTcpExtMPFastcloseTx")
+	if [ -z "$count" ]; then
+		echo -n "[skip]"
+	elif [ "$count" != "$fclose_tx" ]; then
+		extra_msg="$extra_msg,tx=$count"
 		echo "[fail] got $count MP_FASTCLOSE[s] TX expected $fclose_tx"
 		fail_test
 		dump_stats=1
@@ -1282,10 +1373,11 @@ chk_fclose_nr()
 	fi
 
 	echo -n " - fclzrx"
-	count=$(ip netns exec $ns_rx nstat -as | grep MPTcpExtMPFastcloseRx | awk '{print $2}')
-	[ -z "$count" ] && count=0
-	[ "$count" != "$fclose_rx" ] && extra_msg="$extra_msg,rx=$count"
-	if [ "$count" != "$fclose_rx" ]; then
+	count=$(get_counter ${ns_rx} "MPTcpExtMPFastcloseRx")
+	if [ -z "$count" ]; then
+		echo -n "[skip]"
+	elif [ "$count" != "$fclose_rx" ]; then
+		extra_msg="$extra_msg,rx=$count"
 		echo "[fail] got $count MP_FASTCLOSE[s] RX expected $fclose_rx"
 		fail_test
 		dump_stats=1
@@ -1316,9 +1408,10 @@ chk_rst_nr()
 	fi
 
 	printf "%-${nr_blank}s %s" " " "rtx"
-	count=$(ip netns exec $ns_tx nstat -as | grep MPTcpExtMPRstTx | awk '{print $2}')
-	[ -z "$count" ] && count=0
-	if [ $count -lt $rst_tx ]; then
+	count=$(get_counter ${ns_tx} "MPTcpExtMPRstTx")
+	if [ -z "$count" ]; then
+		echo -n "[skip]"
+	elif [ $count -lt $rst_tx ]; then
 		echo "[fail] got $count MP_RST[s] TX expected $rst_tx"
 		fail_test
 		dump_stats=1
@@ -1327,9 +1420,10 @@ chk_rst_nr()
 	fi
 
 	echo -n " - rstrx "
-	count=$(ip netns exec $ns_rx nstat -as | grep MPTcpExtMPRstRx | awk '{print $2}')
-	[ -z "$count" ] && count=0
-	if [ "$count" -lt "$rst_rx" ]; then
+	count=$(get_counter ${ns_rx} "MPTcpExtMPRstRx")
+	if [ -z "$count" ]; then
+		echo -n "[skip]"
+	elif [ "$count" -lt "$rst_rx" ]; then
 		echo "[fail] got $count MP_RST[s] RX expected $rst_rx"
 		fail_test
 		dump_stats=1
@@ -1350,9 +1444,10 @@ chk_infi_nr()
 	local dump_stats
 
 	printf "%-${nr_blank}s %s" " " "itx"
-	count=$(ip netns exec $ns2 nstat -as | grep InfiniteMapTx | awk '{print $2}')
-	[ -z "$count" ] && count=0
-	if [ "$count" != "$infi_tx" ]; then
+	count=$(get_counter ${ns2} "MPTcpExtInfiniteMapTx")
+	if [ -z "$count" ]; then
+		echo -n "[skip]"
+	elif [ "$count" != "$infi_tx" ]; then
 		echo "[fail] got $count infinite map[s] TX expected $infi_tx"
 		fail_test
 		dump_stats=1
@@ -1361,9 +1456,10 @@ chk_infi_nr()
 	fi
 
 	echo -n " - infirx"
-	count=$(ip netns exec $ns1 nstat -as | grep InfiniteMapRx | awk '{print $2}')
-	[ -z "$count" ] && count=0
-	if [ "$count" != "$infi_rx" ]; then
+	count=$(get_counter ${ns1} "MPTcpExtInfiniteMapRx")
+	if [ -z "$count" ]; then
+		echo "[skip]"
+	elif [ "$count" != "$infi_rx" ]; then
 		echo "[fail] got $count infinite map[s] RX expected $infi_rx"
 		fail_test
 		dump_stats=1
@@ -1395,9 +1491,10 @@ chk_join_nr()
 	fi
 
 	printf "%03u %-36s %s" "${TEST_COUNT}" "${title}" "syn"
-	count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMPJoinSynRx | awk '{print $2}')
-	[ -z "$count" ] && count=0
-	if [ "$count" != "$syn_nr" ]; then
+	count=$(get_counter ${ns1} "MPTcpExtMPJoinSynRx")
+	if [ -z "$count" ]; then
+		echo -n "[skip]"
+	elif [ "$count" != "$syn_nr" ]; then
 		echo "[fail] got $count JOIN[s] syn expected $syn_nr"
 		fail_test
 		dump_stats=1
@@ -1407,9 +1504,10 @@ chk_join_nr()
 
 	echo -n " - synack"
 	with_cookie=$(ip netns exec $ns2 sysctl -n net.ipv4.tcp_syncookies)
-	count=$(ip netns exec $ns2 nstat -as | grep MPTcpExtMPJoinSynAckRx | awk '{print $2}')
-	[ -z "$count" ] && count=0
-	if [ "$count" != "$syn_ack_nr" ]; then
+	count=$(get_counter ${ns2} "MPTcpExtMPJoinSynAckRx")
+	if [ -z "$count" ]; then
+		echo -n "[skip]"
+	elif [ "$count" != "$syn_ack_nr" ]; then
 		# simult connections exceeding the limit with cookie enabled could go up to
 		# synack validation as the conn limit can be enforced reliably only after
 		# the subflow creation
@@ -1425,9 +1523,10 @@ chk_join_nr()
 	fi
 
 	echo -n " - ack"
-	count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMPJoinAckRx | awk '{print $2}')
-	[ -z "$count" ] && count=0
-	if [ "$count" != "$ack_nr" ]; then
+	count=$(get_counter ${ns1} "MPTcpExtMPJoinAckRx")
+	if [ -z "$count" ]; then
+		echo "[skip]"
+	elif [ "$count" != "$ack_nr" ]; then
 		echo "[fail] got $count JOIN[s] ack expected $ack_nr"
 		fail_test
 		dump_stats=1
@@ -1459,12 +1558,12 @@ chk_stale_nr()
 	local recover_nr
 
 	printf "%-${nr_blank}s %-18s" " " "stale"
-	stale_nr=$(ip netns exec $ns nstat -as | grep MPTcpExtSubflowStale | awk '{print $2}')
-	[ -z "$stale_nr" ] && stale_nr=0
-	recover_nr=$(ip netns exec $ns nstat -as | grep MPTcpExtSubflowRecover | awk '{print $2}')
-	[ -z "$recover_nr" ] && recover_nr=0
 
-	if [ $stale_nr -lt $stale_min ] ||
+	stale_nr=$(get_counter ${ns} "MPTcpExtSubflowStale")
+	recover_nr=$(get_counter ${ns} "MPTcpExtSubflowRecover")
+	if [ -z "$stale_nr" ] || [ -z "$recover_nr" ]; then
+		echo "[skip]"
+	elif [ $stale_nr -lt $stale_min ] ||
 	   { [ $stale_max -gt 0 ] && [ $stale_nr -gt $stale_max ]; } ||
 	   [ $((stale_nr - recover_nr)) -ne $stale_delta ]; then
 		echo "[fail] got $stale_nr stale[s] $recover_nr recover[s], " \
@@ -1500,12 +1599,12 @@ chk_add_nr()
 	timeout=$(ip netns exec $ns1 sysctl -n net.mptcp.add_addr_timeout)
 
 	printf "%-${nr_blank}s %s" " " "add"
-	count=$(ip netns exec $ns2 nstat -as MPTcpExtAddAddr | grep MPTcpExtAddAddr | awk '{print $2}')
-	[ -z "$count" ] && count=0
-
+	count=$(get_counter ${ns2} "MPTcpExtAddAddr")
+	if [ -z "$count" ]; then
+		echo -n "[skip]"
 	# if the test configured a short timeout tolerate greater then expected
 	# add addrs options, due to retransmissions
-	if [ "$count" != "$add_nr" ] && { [ "$timeout" -gt 1 ] || [ "$count" -lt "$add_nr" ]; }; then
+	elif [ "$count" != "$add_nr" ] && { [ "$timeout" -gt 1 ] || [ "$count" -lt "$add_nr" ]; }; then
 		echo "[fail] got $count ADD_ADDR[s] expected $add_nr"
 		fail_test
 		dump_stats=1
@@ -1514,9 +1613,10 @@ chk_add_nr()
 	fi
 
 	echo -n " - echo  "
-	count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtEchoAdd | awk '{print $2}')
-	[ -z "$count" ] && count=0
-	if [ "$count" != "$echo_nr" ]; then
+	count=$(get_counter ${ns1} "MPTcpExtEchoAdd")
+	if [ -z "$count" ]; then
+		echo -n "[skip]"
+	elif [ "$count" != "$echo_nr" ]; then
 		echo "[fail] got $count ADD_ADDR echo[s] expected $echo_nr"
 		fail_test
 		dump_stats=1
@@ -1526,9 +1626,10 @@ chk_add_nr()
 
 	if [ $port_nr -gt 0 ]; then
 		echo -n " - pt "
-		count=$(ip netns exec $ns2 nstat -as | grep MPTcpExtPortAdd | awk '{print $2}')
-		[ -z "$count" ] && count=0
-		if [ "$count" != "$port_nr" ]; then
+		count=$(get_counter ${ns2} "MPTcpExtPortAdd")
+		if [ -z "$count" ]; then
+			echo "[skip]"
+		elif [ "$count" != "$port_nr" ]; then
 			echo "[fail] got $count ADD_ADDR[s] with a port-number expected $port_nr"
 			fail_test
 			dump_stats=1
@@ -1537,10 +1638,10 @@ chk_add_nr()
 		fi
 
 		printf "%-${nr_blank}s %s" " " "syn"
-		count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMPJoinPortSynRx |
-			awk '{print $2}')
-		[ -z "$count" ] && count=0
-		if [ "$count" != "$syn_nr" ]; then
+		count=$(get_counter ${ns1} "MPTcpExtMPJoinPortSynRx")
+		if [ -z "$count" ]; then
+			echo -n "[skip]"
+		elif [ "$count" != "$syn_nr" ]; then
 			echo "[fail] got $count JOIN[s] syn with a different \
 				port-number expected $syn_nr"
 			fail_test
@@ -1550,10 +1651,10 @@ chk_add_nr()
 		fi
 
 		echo -n " - synack"
-		count=$(ip netns exec $ns2 nstat -as | grep MPTcpExtMPJoinPortSynAckRx |
-			awk '{print $2}')
-		[ -z "$count" ] && count=0
-		if [ "$count" != "$syn_ack_nr" ]; then
+		count=$(get_counter ${ns2} "MPTcpExtMPJoinPortSynAckRx")
+		if [ -z "$count" ]; then
+			echo -n "[skip]"
+		elif [ "$count" != "$syn_ack_nr" ]; then
 			echo "[fail] got $count JOIN[s] synack with a different \
 				port-number expected $syn_ack_nr"
 			fail_test
@@ -1563,10 +1664,10 @@ chk_add_nr()
 		fi
 
 		echo -n " - ack"
-		count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMPJoinPortAckRx |
-			awk '{print $2}')
-		[ -z "$count" ] && count=0
-		if [ "$count" != "$ack_nr" ]; then
+		count=$(get_counter ${ns1} "MPTcpExtMPJoinPortAckRx")
+		if [ -z "$count" ]; then
+			echo "[skip]"
+		elif [ "$count" != "$ack_nr" ]; then
 			echo "[fail] got $count JOIN[s] ack with a different \
 				port-number expected $ack_nr"
 			fail_test
@@ -1576,10 +1677,10 @@ chk_add_nr()
 		fi
 
 		printf "%-${nr_blank}s %s" " " "syn"
-		count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMismatchPortSynRx |
-			awk '{print $2}')
-		[ -z "$count" ] && count=0
-		if [ "$count" != "$mis_syn_nr" ]; then
+		count=$(get_counter ${ns1} "MPTcpExtMismatchPortSynRx")
+		if [ -z "$count" ]; then
+			echo -n "[skip]"
+		elif [ "$count" != "$mis_syn_nr" ]; then
 			echo "[fail] got $count JOIN[s] syn with a mismatched \
 				port-number expected $mis_syn_nr"
 			fail_test
@@ -1589,10 +1690,10 @@ chk_add_nr()
 		fi
 
 		echo -n " - ack   "
-		count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMismatchPortAckRx |
-			awk '{print $2}')
-		[ -z "$count" ] && count=0
-		if [ "$count" != "$mis_ack_nr" ]; then
+		count=$(get_counter ${ns1} "MPTcpExtMismatchPortAckRx")
+		if [ -z "$count" ]; then
+			echo "[skip]"
+		elif [ "$count" != "$mis_ack_nr" ]; then
 			echo "[fail] got $count JOIN[s] ack with a mismatched \
 				port-number expected $mis_ack_nr"
 			fail_test
@@ -1636,9 +1737,10 @@ chk_rm_nr()
 	fi
 
 	printf "%-${nr_blank}s %s" " " "rm "
-	count=$(ip netns exec $addr_ns nstat -as | grep MPTcpExtRmAddr | awk '{print $2}')
-	[ -z "$count" ] && count=0
-	if [ "$count" != "$rm_addr_nr" ]; then
+	count=$(get_counter ${addr_ns} "MPTcpExtRmAddr")
+	if [ -z "$count" ]; then
+		echo -n "[skip]"
+	elif [ "$count" != "$rm_addr_nr" ]; then
 		echo "[fail] got $count RM_ADDR[s] expected $rm_addr_nr"
 		fail_test
 		dump_stats=1
@@ -1647,29 +1749,27 @@ chk_rm_nr()
 	fi
 
 	echo -n " - rmsf  "
-	count=$(ip netns exec $subflow_ns nstat -as | grep MPTcpExtRmSubflow | awk '{print $2}')
-	[ -z "$count" ] && count=0
-	if [ -n "$simult" ]; then
+	count=$(get_counter ${subflow_ns} "MPTcpExtRmSubflow")
+	if [ -z "$count" ]; then
+		echo -n "[skip]"
+	elif [ -n "$simult" ]; then
 		local cnt suffix
 
-		cnt=$(ip netns exec $addr_ns nstat -as | grep MPTcpExtRmSubflow | awk '{print $2}')
+		cnt=$(get_counter ${addr_ns} "MPTcpExtRmSubflow")
 
 		# in case of simult flush, the subflow removal count on each side is
 		# unreliable
-		[ -z "$cnt" ] && cnt=0
 		count=$((count + cnt))
 		[ "$count" != "$rm_subflow_nr" ] && suffix="$count in [$rm_subflow_nr:$((rm_subflow_nr*2))]"
 		if [ $count -ge "$rm_subflow_nr" ] && \
 		   [ "$count" -le "$((rm_subflow_nr *2 ))" ]; then
-			echo "[ ok ] $suffix"
+			echo -n "[ ok ] $suffix"
 		else
 			echo "[fail] got $count RM_SUBFLOW[s] expected in range [$rm_subflow_nr:$((rm_subflow_nr*2))]"
 			fail_test
 			dump_stats=1
 		fi
-		return
-	fi
-	if [ "$count" != "$rm_subflow_nr" ]; then
+	elif [ "$count" != "$rm_subflow_nr" ]; then
 		echo "[fail] got $count RM_SUBFLOW[s] expected $rm_subflow_nr"
 		fail_test
 		dump_stats=1
@@ -1690,9 +1790,10 @@ chk_prio_nr()
 	local dump_stats
 
 	printf "%-${nr_blank}s %s" " " "ptx"
-	count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMPPrioTx | awk '{print $2}')
-	[ -z "$count" ] && count=0
-	if [ "$count" != "$mp_prio_nr_tx" ]; then
+	count=$(get_counter ${ns1} "MPTcpExtMPPrioTx")
+	if [ -z "$count" ]; then
+		echo -n "[skip]"
+	elif [ "$count" != "$mp_prio_nr_tx" ]; then
 		echo "[fail] got $count MP_PRIO[s] TX expected $mp_prio_nr_tx"
 		fail_test
 		dump_stats=1
@@ -1701,9 +1802,10 @@ chk_prio_nr()
 	fi
 
 	echo -n " - prx   "
-	count=$(ip netns exec $ns1 nstat -as | grep MPTcpExtMPPrioRx | awk '{print $2}')
-	[ -z "$count" ] && count=0
-	if [ "$count" != "$mp_prio_nr_rx" ]; then
+	count=$(get_counter ${ns1} "MPTcpExtMPPrioRx")
+	if [ -z "$count" ]; then
+		echo "[skip]"
+	elif [ "$count" != "$mp_prio_nr_rx" ]; then
 		echo "[fail] got $count MP_PRIO[s] RX expected $mp_prio_nr_rx"
 		fail_test
 		dump_stats=1
@@ -1819,7 +1921,7 @@ wait_attempt_fail()
 	while [ $time -lt $timeout_ms ]; do
 		local cnt
 
-		cnt=$(ip netns exec $ns nstat -as TcpAttemptFails | grep TcpAttemptFails | awk '{print $2}')
+		cnt=$(get_counter ${ns} "TcpAttemptFails")
 
 		[ "$cnt" = 1 ] && return 1
 		time=$((time + 100))
@@ -1912,23 +2014,23 @@ subflows_error_tests()
 	fi
 
 	# multiple subflows, with subflow creation error
-	if reset "multi subflows, with failing subflow"; then
+	if reset_with_tcp_filter "multi subflows, with failing subflow" ns1 10.0.3.2 REJECT &&
+	   continue_if mptcp_lib_kallsyms_has "mptcp_pm_subflow_check_next$"; then
 		pm_nl_set_limits $ns1 0 2
 		pm_nl_set_limits $ns2 0 2
 		pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
 		pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
-		filter_tcp_from $ns1 10.0.3.2 REJECT
 		run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
 		chk_join_nr 1 1 1
 	fi
 
 	# multiple subflows, with subflow timeout on MPJ
-	if reset "multi subflows, with subflow timeout"; then
+	if reset_with_tcp_filter "multi subflows, with subflow timeout" ns1 10.0.3.2 DROP &&
+	   continue_if mptcp_lib_kallsyms_has "mptcp_pm_subflow_check_next$"; then
 		pm_nl_set_limits $ns1 0 2
 		pm_nl_set_limits $ns2 0 2
 		pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
 		pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
-		filter_tcp_from $ns1 10.0.3.2 DROP
 		run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
 		chk_join_nr 1 1 1
 	fi
@@ -1936,11 +2038,11 @@ subflows_error_tests()
 	# multiple subflows, check that the endpoint corresponding to
 	# closed subflow (due to reset) is not reused if additional
 	# subflows are added later
-	if reset "multi subflows, fair usage on close"; then
+	if reset_with_tcp_filter "multi subflows, fair usage on close" ns1 10.0.3.2 REJECT &&
+	   continue_if mptcp_lib_kallsyms_has "mptcp_pm_subflow_check_next$"; then
 		pm_nl_set_limits $ns1 0 1
 		pm_nl_set_limits $ns2 0 1
 		pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
-		filter_tcp_from $ns1 10.0.3.2 REJECT
 		run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow &
 
 		# mpj subflow will be in TW after the reset
@@ -2040,11 +2142,18 @@ signal_address_tests()
 		# the peer could possibly miss some addr notification, allow retransmission
 		ip netns exec $ns1 sysctl -q net.mptcp.add_addr_timeout=1
 		run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
-		chk_join_nr 3 3 3
 
-		# the server will not signal the address terminating
-		# the MPC subflow
-		chk_add_nr 3 3
+		# It is not directly linked to the commit introducing this
+		# symbol but for the parent one which is linked anyway.
+		if ! mptcp_lib_kallsyms_has "mptcp_pm_subflow_check_next$"; then
+			chk_join_nr 3 3 2
+			chk_add_nr 4 4
+		else
+			chk_join_nr 3 3 3
+			# the server will not signal the address terminating
+			# the MPC subflow
+			chk_add_nr 3 3
+		fi
 	fi
 }
 
@@ -2285,7 +2394,12 @@ remove_tests()
 		pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
 		run_tests $ns1 $ns2 10.0.1.1 0 -8 -8 slow
 		chk_join_nr 3 3 3
-		chk_rm_nr 0 3 simult
+
+		if mptcp_lib_kversion_ge 5.18; then
+			chk_rm_nr 0 3 simult
+		else
+			chk_rm_nr 3 3
+		fi
 	fi
 
 	# addresses flush
@@ -2523,7 +2637,8 @@ v4mapped_tests()
 
 mixed_tests()
 {
-	if reset "IPv4 sockets do not use IPv6 addresses"; then
+	if reset "IPv4 sockets do not use IPv6 addresses" &&
+	   continue_if mptcp_lib_kversion_ge 6.3; then
 		pm_nl_set_limits $ns1 0 1
 		pm_nl_set_limits $ns2 1 1
 		pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
@@ -2532,7 +2647,8 @@ mixed_tests()
 	fi
 
 	# Need an IPv6 mptcp socket to allow subflows of both families
-	if reset "simult IPv4 and IPv6 subflows"; then
+	if reset "simult IPv4 and IPv6 subflows" &&
+	   continue_if mptcp_lib_kversion_ge 6.3; then
 		pm_nl_set_limits $ns1 0 1
 		pm_nl_set_limits $ns2 1 1
 		pm_nl_add_endpoint $ns1 10.0.1.1 flags signal
@@ -2541,7 +2657,8 @@ mixed_tests()
 	fi
 
 	# cross families subflows will not be created even in fullmesh mode
-	if reset "simult IPv4 and IPv6 subflows, fullmesh 1x1"; then
+	if reset "simult IPv4 and IPv6 subflows, fullmesh 1x1" &&
+	   continue_if mptcp_lib_kversion_ge 6.3; then
 		pm_nl_set_limits $ns1 0 4
 		pm_nl_set_limits $ns2 1 4
 		pm_nl_add_endpoint $ns2 dead:beef:2::2 flags subflow,fullmesh
@@ -2552,7 +2669,8 @@ mixed_tests()
 
 	# fullmesh still tries to create all the possibly subflows with
 	# matching family
-	if reset "simult IPv4 and IPv6 subflows, fullmesh 2x2"; then
+	if reset "simult IPv4 and IPv6 subflows, fullmesh 2x2" &&
+	   continue_if mptcp_lib_kversion_ge 6.3; then
 		pm_nl_set_limits $ns1 0 4
 		pm_nl_set_limits $ns2 2 4
 		pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
@@ -2565,7 +2683,8 @@ mixed_tests()
 backup_tests()
 {
 	# single subflow, backup
-	if reset "single subflow, backup"; then
+	if reset "single subflow, backup" &&
+	   continue_if mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then
 		pm_nl_set_limits $ns1 0 1
 		pm_nl_set_limits $ns2 0 1
 		pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow,backup
@@ -2575,7 +2694,8 @@ backup_tests()
 	fi
 
 	# single address, backup
-	if reset "single address, backup"; then
+	if reset "single address, backup" &&
+	   continue_if mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then
 		pm_nl_set_limits $ns1 0 1
 		pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
 		pm_nl_set_limits $ns2 1 1
@@ -2586,7 +2706,8 @@ backup_tests()
 	fi
 
 	# single address with port, backup
-	if reset "single address with port, backup"; then
+	if reset "single address with port, backup" &&
+	   continue_if mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then
 		pm_nl_set_limits $ns1 0 1
 		pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
 		pm_nl_set_limits $ns2 1 1
@@ -2596,14 +2717,16 @@ backup_tests()
 		chk_prio_nr 1 1
 	fi
 
-	if reset "mpc backup"; then
+	if reset "mpc backup" &&
+	   continue_if mptcp_lib_kallsyms_doesnt_have "mptcp_subflow_send_ack$"; then
 		pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow,backup
 		run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
 		chk_join_nr 0 0 0
 		chk_prio_nr 0 1
 	fi
 
-	if reset "mpc backup both sides"; then
+	if reset "mpc backup both sides" &&
+	   continue_if mptcp_lib_kallsyms_doesnt_have "mptcp_subflow_send_ack$"; then
 		pm_nl_add_endpoint $ns1 10.0.1.1 flags subflow,backup
 		pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow,backup
 		run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
@@ -2611,14 +2734,16 @@ backup_tests()
 		chk_prio_nr 1 1
 	fi
 
-	if reset "mpc switch to backup"; then
+	if reset "mpc switch to backup" &&
+	   continue_if mptcp_lib_kallsyms_doesnt_have "mptcp_subflow_send_ack$"; then
 		pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow
 		run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup
 		chk_join_nr 0 0 0
 		chk_prio_nr 0 1
 	fi
 
-	if reset "mpc switch to backup both sides"; then
+	if reset "mpc switch to backup both sides" &&
+	   continue_if mptcp_lib_kallsyms_doesnt_have "mptcp_subflow_send_ack$"; then
 		pm_nl_add_endpoint $ns1 10.0.1.1 flags subflow
 		pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow
 		run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup
@@ -2644,38 +2769,41 @@ verify_listener_events()
 	local family
 	local saddr
 	local sport
+	local name
 
 	if [ $e_type = $LISTENER_CREATED ]; then
-		stdbuf -o0 -e0 printf "\t\t\t\t\t CREATE_LISTENER %s:%s"\
-			$e_saddr $e_sport
+		name="LISTENER_CREATED"
 	elif [ $e_type = $LISTENER_CLOSED ]; then
-		stdbuf -o0 -e0 printf "\t\t\t\t\t CLOSE_LISTENER %s:%s "\
-			$e_saddr $e_sport
+		name="LISTENER_CLOSED"
+	else
+		name="$e_type"
 	fi
 
-	type=$(grep "type:$e_type," $evt |
-	       sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q')
-	family=$(grep "type:$e_type," $evt |
-		 sed --unbuffered -n 's/.*\(family:\)\([[:digit:]]*\).*$/\2/p;q')
-	sport=$(grep "type:$e_type," $evt |
-		sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q')
+	printf "%-${nr_blank}s %s %s:%s " " " "$name" "$e_saddr" "$e_sport"
+
+	if ! mptcp_lib_kallsyms_has "mptcp_event_pm_listener$"; then
+		printf "[skip]: event not supported\n"
+		return
+	fi
+
+	type=$(grep "type:$e_type," $evt | sed -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q')
+	family=$(grep "type:$e_type," $evt | sed -n 's/.*\(family:\)\([[:digit:]]*\).*$/\2/p;q')
+	sport=$(grep "type:$e_type," $evt | sed -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q')
 	if [ $family ] && [ $family = $AF_INET6 ]; then
-		saddr=$(grep "type:$e_type," $evt |
-			sed --unbuffered -n 's/.*\(saddr6:\)\([0-9a-f:.]*\).*$/\2/p;q')
+		saddr=$(grep "type:$e_type," $evt | sed -n 's/.*\(saddr6:\)\([0-9a-f:.]*\).*$/\2/p;q')
 	else
-		saddr=$(grep "type:$e_type," $evt |
-			sed --unbuffered -n 's/.*\(saddr4:\)\([0-9.]*\).*$/\2/p;q')
+		saddr=$(grep "type:$e_type," $evt | sed -n 's/.*\(saddr4:\)\([0-9.]*\).*$/\2/p;q')
 	fi
 
 	if [ $type ] && [ $type = $e_type ] &&
 	   [ $family ] && [ $family = $e_family ] &&
 	   [ $saddr ] && [ $saddr = $e_saddr ] &&
 	   [ $sport ] && [ $sport = $e_sport ]; then
-		stdbuf -o0 -e0 printf "[ ok ]\n"
+		echo "[ ok ]"
 		return 0
 	fi
 	fail_test
-	stdbuf -o0 -e0 printf "[fail]\n"
+	echo "[fail]"
 }
 
 add_addr_ports_tests()
@@ -2981,7 +3109,8 @@ fullmesh_tests()
 	fi
 
 	# set fullmesh flag
-	if reset "set fullmesh flag test"; then
+	if reset "set fullmesh flag test" &&
+	   continue_if mptcp_lib_kversion_ge 5.18; then
 		pm_nl_set_limits $ns1 4 4
 		pm_nl_add_endpoint $ns1 10.0.2.1 flags subflow
 		pm_nl_set_limits $ns2 4 4
@@ -2991,7 +3120,8 @@ fullmesh_tests()
 	fi
 
 	# set nofullmesh flag
-	if reset "set nofullmesh flag test"; then
+	if reset "set nofullmesh flag test" &&
+	   continue_if mptcp_lib_kversion_ge 5.18; then
 		pm_nl_set_limits $ns1 4 4
 		pm_nl_add_endpoint $ns1 10.0.2.1 flags subflow,fullmesh
 		pm_nl_set_limits $ns2 4 4
@@ -3001,7 +3131,8 @@ fullmesh_tests()
 	fi
 
 	# set backup,fullmesh flags
-	if reset "set backup,fullmesh flags test"; then
+	if reset "set backup,fullmesh flags test" &&
+	   continue_if mptcp_lib_kversion_ge 5.18; then
 		pm_nl_set_limits $ns1 4 4
 		pm_nl_add_endpoint $ns1 10.0.2.1 flags subflow
 		pm_nl_set_limits $ns2 4 4
@@ -3012,7 +3143,8 @@ fullmesh_tests()
 	fi
 
 	# set nobackup,nofullmesh flags
-	if reset "set nobackup,nofullmesh flags test"; then
+	if reset "set nobackup,nofullmesh flags test" &&
+	   continue_if mptcp_lib_kversion_ge 5.18; then
 		pm_nl_set_limits $ns1 4 4
 		pm_nl_set_limits $ns2 4 4
 		pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow,backup,fullmesh
@@ -3025,14 +3157,14 @@ fullmesh_tests()
 
 fastclose_tests()
 {
-	if reset "fastclose test"; then
+	if reset_check_counter "fastclose test" "MPTcpExtMPFastcloseTx"; then
 		run_tests $ns1 $ns2 10.0.1.1 1024 0 fastclose_client
 		chk_join_nr 0 0 0
 		chk_fclose_nr 1 1
 		chk_rst_nr 1 1 invert
 	fi
 
-	if reset "fastclose server test"; then
+	if reset_check_counter "fastclose server test" "MPTcpExtMPFastcloseRx"; then
 		run_tests $ns1 $ns2 10.0.1.1 1024 0 fastclose_server
 		chk_join_nr 0 0 0
 		chk_fclose_nr 1 1 invert
@@ -3070,7 +3202,8 @@ fail_tests()
 userspace_tests()
 {
 	# userspace pm type prevents add_addr
-	if reset "userspace pm type prevents add_addr"; then
+	if reset "userspace pm type prevents add_addr" &&
+	   continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
 		set_userspace_pm $ns1
 		pm_nl_set_limits $ns1 0 2
 		pm_nl_set_limits $ns2 0 2
@@ -3081,7 +3214,8 @@ userspace_tests()
 	fi
 
 	# userspace pm type does not echo add_addr without daemon
-	if reset "userspace pm no echo w/o daemon"; then
+	if reset "userspace pm no echo w/o daemon" &&
+	   continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
 		set_userspace_pm $ns2
 		pm_nl_set_limits $ns1 0 2
 		pm_nl_set_limits $ns2 0 2
@@ -3092,7 +3226,8 @@ userspace_tests()
 	fi
 
 	# userspace pm type rejects join
-	if reset "userspace pm type rejects join"; then
+	if reset "userspace pm type rejects join" &&
+	   continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
 		set_userspace_pm $ns1
 		pm_nl_set_limits $ns1 1 1
 		pm_nl_set_limits $ns2 1 1
@@ -3102,7 +3237,8 @@ userspace_tests()
 	fi
 
 	# userspace pm type does not send join
-	if reset "userspace pm type does not send join"; then
+	if reset "userspace pm type does not send join" &&
+	   continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
 		set_userspace_pm $ns2
 		pm_nl_set_limits $ns1 1 1
 		pm_nl_set_limits $ns2 1 1
@@ -3112,7 +3248,8 @@ userspace_tests()
 	fi
 
 	# userspace pm type prevents mp_prio
-	if reset "userspace pm type prevents mp_prio"; then
+	if reset "userspace pm type prevents mp_prio" &&
+	   continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
 		set_userspace_pm $ns1
 		pm_nl_set_limits $ns1 1 1
 		pm_nl_set_limits $ns2 1 1
@@ -3123,7 +3260,8 @@ userspace_tests()
 	fi
 
 	# userspace pm type prevents rm_addr
-	if reset "userspace pm type prevents rm_addr"; then
+	if reset "userspace pm type prevents rm_addr" &&
+	   continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
 		set_userspace_pm $ns1
 		set_userspace_pm $ns2
 		pm_nl_set_limits $ns1 0 1
@@ -3135,7 +3273,8 @@ userspace_tests()
 	fi
 
 	# userspace pm add & remove address
-	if reset_with_events "userspace pm add & remove address"; then
+	if reset_with_events "userspace pm add & remove address" &&
+	   continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
 		set_userspace_pm $ns1
 		pm_nl_set_limits $ns2 1 1
 		run_tests $ns1 $ns2 10.0.1.1 0 userspace_1 0 slow
@@ -3146,7 +3285,8 @@ userspace_tests()
 	fi
 
 	# userspace pm create destroy subflow
-	if reset_with_events "userspace pm create destroy subflow"; then
+	if reset_with_events "userspace pm create destroy subflow" &&
+	   continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
 		set_userspace_pm $ns2
 		pm_nl_set_limits $ns1 0 1
 		run_tests $ns1 $ns2 10.0.1.1 0 0 userspace_1 slow
@@ -3158,8 +3298,10 @@ userspace_tests()
 
 endpoint_tests()
 {
+	# subflow_rebuild_header is needed to support the implicit flag
 	# userspace pm type prevents add_addr
-	if reset "implicit EP"; then
+	if reset "implicit EP" &&
+	   mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then
 		pm_nl_set_limits $ns1 2 2
 		pm_nl_set_limits $ns2 2 2
 		pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
@@ -3179,7 +3321,8 @@ endpoint_tests()
 		kill_tests_wait
 	fi
 
-	if reset "delete and re-add"; then
+	if reset "delete and re-add" &&
+	   mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then
 		pm_nl_set_limits $ns1 1 1
 		pm_nl_set_limits $ns2 1 1
 		pm_nl_add_endpoint $ns2 10.0.2.2 id 2 dev ns2eth2 flags subflow
diff --git a/tools/testing/selftests/net/mptcp/mptcp_lib.sh b/tools/testing/selftests/net/mptcp/mptcp_lib.sh
index 3286536b79d5..f32045b23b89 100644
--- a/tools/testing/selftests/net/mptcp/mptcp_lib.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_lib.sh
@@ -38,3 +38,67 @@ mptcp_lib_check_mptcp() {
 		exit ${KSFT_SKIP}
 	fi
 }
+
+mptcp_lib_check_kallsyms() {
+	if ! mptcp_lib_has_file "/proc/kallsyms"; then
+		echo "SKIP: CONFIG_KALLSYMS is missing"
+		exit ${KSFT_SKIP}
+	fi
+}
+
+# Internal: use mptcp_lib_kallsyms_has() instead
+__mptcp_lib_kallsyms_has() {
+	local sym="${1}"
+
+	mptcp_lib_check_kallsyms
+
+	grep -q " ${sym}" /proc/kallsyms
+}
+
+# $1: part of a symbol to look at, add '$' at the end for full name
+mptcp_lib_kallsyms_has() {
+	local sym="${1}"
+
+	if __mptcp_lib_kallsyms_has "${sym}"; then
+		return 0
+	fi
+
+	mptcp_lib_fail_if_expected_feature "${sym} symbol not found"
+}
+
+# $1: part of a symbol to look at, add '$' at the end for full name
+mptcp_lib_kallsyms_doesnt_have() {
+	local sym="${1}"
+
+	if ! __mptcp_lib_kallsyms_has "${sym}"; then
+		return 0
+	fi
+
+	mptcp_lib_fail_if_expected_feature "${sym} symbol has been found"
+}
+
+# !!!AVOID USING THIS!!!
+# Features might not land in the expected version and features can be backported
+#
+# $1: kernel version, e.g. 6.3
+mptcp_lib_kversion_ge() {
+	local exp_maj="${1%.*}"
+	local exp_min="${1#*.}"
+	local v maj min
+
+	# If the kernel has backported features, set this env var to 1:
+	if [ "${SELFTESTS_MPTCP_LIB_NO_KVERSION_CHECK:-}" = "1" ]; then
+		return 0
+	fi
+
+	v=$(uname -r | cut -d'.' -f1,2)
+	maj=${v%.*}
+	min=${v#*.}
+
+	if   [ "${maj}" -gt "${exp_maj}" ] ||
+	   { [ "${maj}" -eq "${exp_maj}" ] && [ "${min}" -ge "${exp_min}" ]; }; then
+		return 0
+	fi
+
+	mptcp_lib_fail_if_expected_feature "kernel version ${1} lower than ${v}"
+}
diff --git a/tools/testing/selftests/net/mptcp/mptcp_sockopt.c b/tools/testing/selftests/net/mptcp/mptcp_sockopt.c
index ae61f39556ca..b35148edbf02 100644
--- a/tools/testing/selftests/net/mptcp/mptcp_sockopt.c
+++ b/tools/testing/selftests/net/mptcp/mptcp_sockopt.c
@@ -87,6 +87,10 @@ struct so_state {
 	uint64_t tcpi_rcv_delta;
 };
 
+#ifndef MIN
+#define MIN(a, b) ((a) < (b) ? (a) : (b))
+#endif
+
 static void die_perror(const char *msg)
 {
 	perror(msg);
@@ -349,13 +353,14 @@ static void do_getsockopt_tcp_info(struct so_state *s, int fd, size_t r, size_t
 			xerror("getsockopt MPTCP_TCPINFO (tries %d, %m)");
 
 		assert(olen <= sizeof(ti));
-		assert(ti.d.size_user == ti.d.size_kernel);
-		assert(ti.d.size_user == sizeof(struct tcp_info));
+		assert(ti.d.size_kernel > 0);
+		assert(ti.d.size_user ==
+		       MIN(ti.d.size_kernel, sizeof(struct tcp_info)));
 		assert(ti.d.num_subflows == 1);
 
 		assert(olen > (socklen_t)sizeof(struct mptcp_subflow_data));
 		olen -= sizeof(struct mptcp_subflow_data);
-		assert(olen == sizeof(struct tcp_info));
+		assert(olen == ti.d.size_user);
 
 		if (ti.ti[0].tcpi_bytes_sent == w &&
 		    ti.ti[0].tcpi_bytes_received == r)
@@ -401,13 +406,14 @@ static void do_getsockopt_subflow_addrs(int fd)
 		die_perror("getsockopt MPTCP_SUBFLOW_ADDRS");
 
 	assert(olen <= sizeof(addrs));
-	assert(addrs.d.size_user == addrs.d.size_kernel);
-	assert(addrs.d.size_user == sizeof(struct mptcp_subflow_addrs));
+	assert(addrs.d.size_kernel > 0);
+	assert(addrs.d.size_user ==
+	       MIN(addrs.d.size_kernel, sizeof(struct mptcp_subflow_addrs)));
 	assert(addrs.d.num_subflows == 1);
 
 	assert(olen > (socklen_t)sizeof(struct mptcp_subflow_data));
 	olen -= sizeof(struct mptcp_subflow_data);
-	assert(olen == sizeof(struct mptcp_subflow_addrs));
+	assert(olen == addrs.d.size_user);
 
 	llen = sizeof(local);
 	ret = getsockname(fd, (struct sockaddr *)&local, &llen);
diff --git a/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh b/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh
index ff5adbb9c7f2..f295a371ff14 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh
@@ -87,6 +87,7 @@ cleanup()
 }
 
 mptcp_lib_check_mptcp
+mptcp_lib_check_kallsyms
 
 ip -Version > /dev/null 2>&1
 if [ $? -ne 0 ];then
@@ -186,9 +187,14 @@ do_transfer()
 		local_addr="0.0.0.0"
 	fi
 
+	cmsg="TIMESTAMPNS"
+	if mptcp_lib_kallsyms_has "mptcp_ioctl$"; then
+		cmsg+=",TCPINQ"
+	fi
+
 	timeout ${timeout_test} \
 		ip netns exec ${listener_ns} \
-			$mptcp_connect -t ${timeout_poll} -l -M 1 -p $port -s ${srv_proto} -c TIMESTAMPNS,TCPINQ \
+			$mptcp_connect -t ${timeout_poll} -l -M 1 -p $port -s ${srv_proto} -c "${cmsg}" \
 				${local_addr} < "$sin" > "$sout" &
 	local spid=$!
 
@@ -196,7 +202,7 @@ do_transfer()
 
 	timeout ${timeout_test} \
 		ip netns exec ${connector_ns} \
-			$mptcp_connect -t ${timeout_poll} -M 2 -p $port -s ${cl_proto} -c TIMESTAMPNS,TCPINQ \
+			$mptcp_connect -t ${timeout_poll} -M 2 -p $port -s ${cl_proto} -c "${cmsg}" \
 				$connect_addr < "$cin" > "$cout" &
 
 	local cpid=$!
@@ -253,6 +259,11 @@ do_mptcp_sockopt_tests()
 {
 	local lret=0
 
+	if ! mptcp_lib_kallsyms_has "mptcp_diag_fill_info$"; then
+		echo "INFO: MPTCP sockopt not supported: SKIP"
+		return
+	fi
+
 	ip netns exec "$ns_sbox" ./mptcp_sockopt
 	lret=$?
 
@@ -307,6 +318,11 @@ do_tcpinq_tests()
 {
 	local lret=0
 
+	if ! mptcp_lib_kallsyms_has "mptcp_ioctl$"; then
+		echo "INFO: TCP_INQ not supported: SKIP"
+		return
+	fi
+
 	local args
 	for args in "-t tcp" "-r tcp"; do
 		do_tcpinq_test $args
diff --git a/tools/testing/selftests/net/mptcp/pm_netlink.sh b/tools/testing/selftests/net/mptcp/pm_netlink.sh
index 32f7533e0919..d02e0d63a8f9 100755
--- a/tools/testing/selftests/net/mptcp/pm_netlink.sh
+++ b/tools/testing/selftests/net/mptcp/pm_netlink.sh
@@ -73,8 +73,12 @@ check()
 }
 
 check "ip netns exec $ns1 ./pm_nl_ctl dump" "" "defaults addr list"
-check "ip netns exec $ns1 ./pm_nl_ctl limits" "accept 0
+
+default_limits="$(ip netns exec $ns1 ./pm_nl_ctl limits)"
+if mptcp_lib_expect_all_features; then
+	check "ip netns exec $ns1 ./pm_nl_ctl limits" "accept 0
 subflows 2" "defaults limits"
+fi
 
 ip netns exec $ns1 ./pm_nl_ctl add 10.0.1.1
 ip netns exec $ns1 ./pm_nl_ctl add 10.0.1.2 flags subflow dev lo
@@ -121,12 +125,10 @@ ip netns exec $ns1 ./pm_nl_ctl flush
 check "ip netns exec $ns1 ./pm_nl_ctl dump" "" "flush addrs"
 
 ip netns exec $ns1 ./pm_nl_ctl limits 9 1
-check "ip netns exec $ns1 ./pm_nl_ctl limits" "accept 0
-subflows 2" "rcv addrs above hard limit"
+check "ip netns exec $ns1 ./pm_nl_ctl limits" "$default_limits" "rcv addrs above hard limit"
 
 ip netns exec $ns1 ./pm_nl_ctl limits 1 9
-check "ip netns exec $ns1 ./pm_nl_ctl limits" "accept 0
-subflows 2" "subflows above hard limit"
+check "ip netns exec $ns1 ./pm_nl_ctl limits" "$default_limits" "subflows above hard limit"
 
 ip netns exec $ns1 ./pm_nl_ctl limits 8 8
 check "ip netns exec $ns1 ./pm_nl_ctl limits" "accept 8
@@ -176,14 +178,19 @@ subflow,backup 10.0.1.1" "set flags (backup)"
 ip netns exec $ns1 ./pm_nl_ctl set 10.0.1.1 flags nobackup
 check "ip netns exec $ns1 ./pm_nl_ctl dump" "id 1 flags \
 subflow 10.0.1.1" "          (nobackup)"
+
+# fullmesh support has been added later
 ip netns exec $ns1 ./pm_nl_ctl set id 1 flags fullmesh
-check "ip netns exec $ns1 ./pm_nl_ctl dump" "id 1 flags \
+if ip netns exec $ns1 ./pm_nl_ctl dump | grep -q "fullmesh" ||
+   mptcp_lib_expect_all_features; then
+	check "ip netns exec $ns1 ./pm_nl_ctl dump" "id 1 flags \
 subflow,fullmesh 10.0.1.1" "          (fullmesh)"
-ip netns exec $ns1 ./pm_nl_ctl set id 1 flags nofullmesh
-check "ip netns exec $ns1 ./pm_nl_ctl dump" "id 1 flags \
+	ip netns exec $ns1 ./pm_nl_ctl set id 1 flags nofullmesh
+	check "ip netns exec $ns1 ./pm_nl_ctl dump" "id 1 flags \
 subflow 10.0.1.1" "          (nofullmesh)"
-ip netns exec $ns1 ./pm_nl_ctl set id 1 flags backup,fullmesh
-check "ip netns exec $ns1 ./pm_nl_ctl dump" "id 1 flags \
+	ip netns exec $ns1 ./pm_nl_ctl set id 1 flags backup,fullmesh
+	check "ip netns exec $ns1 ./pm_nl_ctl dump" "id 1 flags \
 subflow,backup,fullmesh 10.0.1.1" "          (backup,fullmesh)"
+fi
 
 exit $ret
diff --git a/tools/testing/selftests/net/mptcp/userspace_pm.sh b/tools/testing/selftests/net/mptcp/userspace_pm.sh
index 8092399d911f..98d9e4d2d3fc 100755
--- a/tools/testing/selftests/net/mptcp/userspace_pm.sh
+++ b/tools/testing/selftests/net/mptcp/userspace_pm.sh
@@ -4,11 +4,17 @@
 . "$(dirname "${0}")/mptcp_lib.sh"
 
 mptcp_lib_check_mptcp
+mptcp_lib_check_kallsyms
+
+if ! mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
+	echo "userspace pm tests are not supported by the kernel: SKIP"
+	exit ${KSFT_SKIP}
+fi
 
 ip -Version > /dev/null 2>&1
 if [ $? -ne 0 ];then
 	echo "SKIP: Cannot not run test without ip tool"
-	exit 1
+	exit ${KSFT_SKIP}
 fi
 
 ANNOUNCED=6        # MPTCP_EVENT_ANNOUNCED
@@ -909,6 +915,11 @@ test_listener()
 {
 	print_title "Listener tests"
 
+	if ! mptcp_lib_kallsyms_has "mptcp_event_pm_listener$"; then
+		stdbuf -o0 -e0 printf "LISTENER events                                            \t[SKIP] Not supported\n"
+		return
+	fi
+
 	# Capture events on the network namespace running the client
 	:>$client_evts
 
diff --git a/tools/testing/selftests/ptp/testptp.c b/tools/testing/selftests/ptp/testptp.c
index 198ad5f32187..cfa9562f3cd8 100644
--- a/tools/testing/selftests/ptp/testptp.c
+++ b/tools/testing/selftests/ptp/testptp.c
@@ -502,11 +502,11 @@ int main(int argc, char *argv[])
 			interval = t2 - t1;
 			offset = (t2 + t1) / 2 - tp;
 
-			printf("system time: %lld.%u\n",
+			printf("system time: %lld.%09u\n",
 				(pct+2*i)->sec, (pct+2*i)->nsec);
-			printf("phc    time: %lld.%u\n",
+			printf("phc    time: %lld.%09u\n",
 				(pct+2*i+1)->sec, (pct+2*i+1)->nsec);
-			printf("system time: %lld.%u\n",
+			printf("system time: %lld.%09u\n",
 				(pct+2*i+2)->sec, (pct+2*i+2)->nsec);
 			printf("system/phc clock time offset is %" PRId64 " ns\n"
 			       "system     clock time delay  is %" PRId64 " ns\n",
diff --git a/tools/testing/selftests/tc-testing/config b/tools/testing/selftests/tc-testing/config
index 4638c63a339f..6e73b09c20c8 100644
--- a/tools/testing/selftests/tc-testing/config
+++ b/tools/testing/selftests/tc-testing/config
@@ -6,20 +6,18 @@ CONFIG_NF_CONNTRACK_MARK=y
 CONFIG_NF_CONNTRACK_ZONES=y
 CONFIG_NF_CONNTRACK_LABELS=y
 CONFIG_NF_NAT=m
+CONFIG_NETFILTER_XT_TARGET_LOG=m
 
 CONFIG_NET_SCHED=y
 
 #
 # Queueing/Scheduling
 #
-CONFIG_NET_SCH_ATM=m
 CONFIG_NET_SCH_CAKE=m
-CONFIG_NET_SCH_CBQ=m
 CONFIG_NET_SCH_CBS=m
 CONFIG_NET_SCH_CHOKE=m
 CONFIG_NET_SCH_CODEL=m
 CONFIG_NET_SCH_DRR=m
-CONFIG_NET_SCH_DSMARK=m
 CONFIG_NET_SCH_ETF=m
 CONFIG_NET_SCH_FQ=m
 CONFIG_NET_SCH_FQ_CODEL=m
@@ -57,8 +55,6 @@ CONFIG_NET_CLS_FLOW=m
 CONFIG_NET_CLS_FLOWER=m
 CONFIG_NET_CLS_MATCHALL=m
 CONFIG_NET_CLS_ROUTE4=m
-CONFIG_NET_CLS_RSVP=m
-CONFIG_NET_CLS_TCINDEX=m
 CONFIG_NET_EMATCH=y
 CONFIG_NET_EMATCH_STACK=32
 CONFIG_NET_EMATCH_CMP=m
diff --git a/tools/testing/selftests/tc-testing/tc-tests/qdiscs/sfb.json b/tools/testing/selftests/tc-testing/tc-tests/qdiscs/sfb.json
index ba2f5e79cdbf..e21c7f22c6d4 100644
--- a/tools/testing/selftests/tc-testing/tc-tests/qdiscs/sfb.json
+++ b/tools/testing/selftests/tc-testing/tc-tests/qdiscs/sfb.json
@@ -58,10 +58,10 @@
         "setup": [
             "$IP link add dev $DUMMY type dummy || /bin/true"
         ],
-        "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root sfb db 10",
+        "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root sfb db 100",
         "expExitCode": "0",
         "verifyCmd": "$TC qdisc show dev $DUMMY",
-        "matchPattern": "qdisc sfb 1: root refcnt [0-9]+ rehash 600s db 10ms",
+        "matchPattern": "qdisc sfb 1: root refcnt [0-9]+ rehash 600s db 100ms",
         "matchCount": "1",
         "teardown": [
             "$TC qdisc del dev $DUMMY handle 1: root",
diff --git a/tools/testing/selftests/tc-testing/tdc.sh b/tools/testing/selftests/tc-testing/tdc.sh
index afb0cd86fa3d..eb357bd7923c 100755
--- a/tools/testing/selftests/tc-testing/tdc.sh
+++ b/tools/testing/selftests/tc-testing/tdc.sh
@@ -2,5 +2,6 @@
 # SPDX-License-Identifier: GPL-2.0
 
 modprobe netdevsim
+modprobe sch_teql
 ./tdc.py -c actions --nobuildebpf
 ./tdc.py -c qdisc