Including fixes from bluetooth.

Current release - regressions: - eth: bnxt_en: fix memory out-of-bounds in bnxt_fill_hw_rss_tbl() on older chips Current release - new code bugs: - ethtool: fix off-by-one error / kdoc contradicting the code for max RSS context IDs - Bluetooth: hci_qca: - QCA6390: fix support on non-DT platforms - QCA6390: don't call pwrseq_power_off() twice - fix a NULL-pointer derefence at shutdown - eth: ice: fix incorrect assigns of FEC counters Previous releases - regressions: - mptcp: fix handling endpoints with both 'signal' and 'subflow' flags set - virtio-net: fix changing ring count when vq IRQ coalescing not supported - eth: gve: fix use of netif_carrier_ok() during reconfig / reset Previous releases - always broken: - eth: idpf: fix bugs in queue re-allocation on reconfig / reset - ethtool: fix context creation with no parameters Misc: - linkwatch: use system_unbound_wq to ease RTNL contention Signed-off-by: Jakub Kicinski <kuba@kernel.org> -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEE6jPA+I1ugmIBA4hXMUZtbf5SIrsFAma0+MsACgkQMUZtbf5S Iru7UA//e+qaQ4yYQUZnilt4L+HdlMvFGnj6YV2rlXtG2o4leoKBtrvV4Ov5Hrj+ Lzc9Cz4DQBi3tWvaD8SR2wEPYVmUaQm2DLgxTv3NrwSwbL+yd87y6AqnrxyjLglX E/Lg0FKxJC3zVb4Jb6FOX9KwIP60u+kwL5pev7UbpzNU4aVpNovWKo1sICLFYC5L 2rlCWmd2UHDSxDYIqL3nI68IqmhP5etfJnnURxIzJZInKSLRx4Evkke/3Y+Ju8CE LS5HIsTzYmAmgI0+LLPd9fyL8puYuw+tFGMAKSRHLAlzno2Cpre5IEucfbFhQ81+ 7RfJO+lzTvqcIj17bK+QsgAgQUxlRexdct/0KfBG6O/Ll0ptRGl475X5K8hb471r m3WLtNkByYznKpr6ORvNoGqTSAVJpx0Xdl0YWt5G5ANWCMi2kA51K9JOHRNfOnvZ dq0WMu/kwBq8XJ/l0FjB2lT41bhkOzdbfHiqi60miuixzU3e8rQbs59zHr3wmio2 7NAVfmOPJTILHpyJ4c3DZrKNkxyXnIS04OyDo4SO6QwvJ/XbXi22/ir/3NyKgOTG NqIeA2Ap96n0NzqqUrRMGdSPoKW8Cbl7zNO1opHJj/l57XPMVz+g9qA5mbSCT5k1 fNu2lURKzRLcoq5OmwySLJR2ASMfpaLpmooFYBrtftPVwl4YQvo= =bKTC -----END PGP SIGNATURE----- Merge tag 'net-6.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes from Jakub Kicinski: "Including fixes from bluetooth. Current release - regressions: - eth: bnxt_en: fix memory out-of-bounds in bnxt_fill_hw_rss_tbl() on older chips Current release - new code bugs: - ethtool: fix off-by-one error / kdoc contradicting the code for max RSS context IDs - Bluetooth: hci_qca: - QCA6390: fix support on non-DT platforms - QCA6390: don't call pwrseq_power_off() twice - fix a NULL-pointer derefence at shutdown - eth: ice: fix incorrect assigns of FEC counters Previous releases - regressions: - mptcp: fix handling endpoints with both 'signal' and 'subflow' flags set - virtio-net: fix changing ring count when vq IRQ coalescing not supported - eth: gve: fix use of netif_carrier_ok() during reconfig / reset Previous releases - always broken: - eth: idpf: fix bugs in queue re-allocation on reconfig / reset - ethtool: fix context creation with no parameters Misc: - linkwatch: use system_unbound_wq to ease RTNL contention" * tag 'net-6.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (41 commits) net: dsa: microchip: disable EEE for KSZ8567/KSZ9567/KSZ9896/KSZ9897. ethtool: Fix context creation with no parameters net: ethtool: fix off-by-one error in max RSS context IDs net: pse-pd: tps23881: include missing bitfield.h header net: fec: Stop PPS on driver remove net: bcmgenet: Properly overlay PHY and MAC Wake-on-LAN capabilities l2tp: fix lockdep splat net: stmmac: dwmac4: fix PCS duplex mode decode idpf: fix UAFs when destroying the queues idpf: fix memleak in vport interrupt configuration idpf: fix memory leaks and crashes while performing a soft reset bnxt_en : Fix memory out-of-bounds in bnxt_fill_hw_rss_tbl() net: dsa: bcm_sf2: Fix a possible memory leak in bcm_sf2_mdio_register() net/smc: add the max value of fallback reason count Bluetooth: hci_sync: avoid dup filtering when passive scanning with adv monitor Bluetooth: l2cap: always unlock channel in l2cap_conless_channel() Bluetooth: hci_qca: fix a NULL-pointer derefence at shutdown Bluetooth: hci_qca: fix QCA6390 support on non-DT platforms Bluetooth: hci_qca: don't call pwrseq_power_off() twice for QCA6390 ice: Fix incorrect assigns of FEC counts ...
2024-11-23 12:14:10 +08:00 · 2024-08-08 13:51:44 -07:00 · 2024-08-08 13:51:44 -07:00 · ee9a43b7cf
commit ee9a43b7cf
parent 9466b6ae6b 2ff4ceb030
33 changed files with 276 additions and 176 deletions
--- a/2
+++ b/2
@ -13541,7 +13541,7 @@ MARVELL GIGABIT ETHERNET DRIVERS (skge/sky2)
 M:	Mirko Lindner <mlindner@marvell.com>
 M:	Stephen Hemminger <stephen@networkplumber.org>
 L:	netdev@vger.kernel.org
-S:	Maintained
+S:	Odd fixes
 F:	drivers/net/ethernet/marvell/sk*

 MARVELL LIBERTAS WIRELESS DRIVER
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@ -2160,7 +2160,7 @@ static void qca_power_shutdown(struct hci_uart *hu)
 	qcadev = serdev_device_get_drvdata(hu->serdev);
 	power = qcadev->bt_power;

-	if (power->pwrseq) {
+	if (power && power->pwrseq) {
 		pwrseq_power_off(power->pwrseq);
 		set_bit(QCA_BT_OFF, &qca->flags);
 		return;
@ -2187,10 +2187,6 @@ static void qca_power_shutdown(struct hci_uart *hu)
 		}
 		break;

-	case QCA_QCA6390:
-		pwrseq_power_off(qcadev->bt_power->pwrseq);
-		break;
-
 	default:
 		gpiod_set_value_cansleep(qcadev->bt_en, 0);
 	}
@ -2416,11 +2412,14 @@ static int qca_serdev_probe(struct serdev_device *serdev)
 		break;

 	case QCA_QCA6390:
+		if (dev_of_node(&serdev->dev)) {
 			qcadev->bt_power->pwrseq = devm_pwrseq_get(&serdev->dev,
 								   "bluetooth");
 			if (IS_ERR(qcadev->bt_power->pwrseq))
 				return PTR_ERR(qcadev->bt_power->pwrseq);
 			break;
+		}
+		fallthrough;

 	default:
 		qcadev->bt_en = devm_gpiod_get_optional(&serdev->dev, "enable",
--- a/drivers/net/dsa/bcm_sf2.c
+++ b/drivers/net/dsa/bcm_sf2.c
@ -675,8 +675,10 @@ static int bcm_sf2_mdio_register(struct dsa_switch *ds)
 			of_remove_property(child, prop);

 		phydev = of_phy_find_device(child);
-		if (phydev)
+		if (phydev) {
 			phy_device_remove(phydev);
+			phy_device_free(phydev);
+		}
 	}

 	err = mdiobus_register(priv->user_mii_bus);
--- a/drivers/net/dsa/microchip/ksz_common.c
+++ b/drivers/net/dsa/microchip/ksz_common.c
@ -2578,7 +2578,11 @@ static u32 ksz_get_phy_flags(struct dsa_switch *ds, int port)
 		if (!port)
 			return MICREL_KSZ8_P1_ERRATA;
 		break;
+	case KSZ8567_CHIP_ID:
 	case KSZ9477_CHIP_ID:
+	case KSZ9567_CHIP_ID:
+	case KSZ9896_CHIP_ID:
+	case KSZ9897_CHIP_ID:
 		/* KSZ9477 Errata DS80000754C
 		 *
 		 * Module 4: Energy Efficient Ethernet (EEE) feature select must
@ -2588,6 +2592,13 @@ static u32 ksz_get_phy_flags(struct dsa_switch *ds, int port)
 		 *   controls. If not disabled, the PHY ports can auto-negotiate
 		 *   to enable EEE, and this feature can cause link drops when
 		 *   linked to another device supporting EEE.
+		 *
+		 * The same item appears in the errata for the KSZ9567, KSZ9896,
+		 * and KSZ9897.
+		 *
+		 * A similar item appears in the errata for the KSZ8567, but
+		 * provides an alternative workaround. For now, use the simple
+		 * workaround of disabling the EEE feature for this device too.
 		 */
 		return MICREL_NO_EEE;
 	}
@ -3764,6 +3775,11 @@ static int ksz_port_set_mac_address(struct dsa_switch *ds, int port,
 		return -EBUSY;
 	}

+	/* Need to initialize variable as the code to fill in settings may
+	 * not be executed.
+	 */
+	wol.wolopts = 0;
+
 	ksz_get_wol(ds, dp->index, &wol);
 	if (wol.wolopts & WAKE_MAGIC) {
 		dev_err(ds->dev,
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@ -7591,19 +7591,20 @@ static bool bnxt_need_reserve_rings(struct bnxt *bp)
 	int rx = bp->rx_nr_rings, stat;
 	int vnic, grp = rx;

-	if (hw_resc->resv_tx_rings != bp->tx_nr_rings &&
-	    bp->hwrm_spec_code >= 0x10601)
-		return true;
-
 	/* Old firmware does not need RX ring reservations but we still
 	 * need to setup a default RSS map when needed.  With new firmware
 	 * we go through RX ring reservations first and then set up the
 	 * RSS map for the successfully reserved RX rings when needed.
 	 */
-	if (!BNXT_NEW_RM(bp)) {
+	if (!BNXT_NEW_RM(bp))
 		bnxt_check_rss_tbl_no_rmgr(bp);
+
+	if (hw_resc->resv_tx_rings != bp->tx_nr_rings &&
+	    bp->hwrm_spec_code >= 0x10601)
+		return true;
+
+	if (!BNXT_NEW_RM(bp))
 		return false;
-	}

 	vnic = bnxt_get_total_vnics(bp, rx);

--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
@ -5290,7 +5290,7 @@ void bnxt_ethtool_free(struct bnxt *bp)
 const struct ethtool_ops bnxt_ethtool_ops = {
 	.cap_link_lanes_supported	= 1,
 	.cap_rss_ctx_supported		= 1,
-	.rxfh_max_context_id		= BNXT_MAX_ETH_RSS_CTX,
+	.rxfh_max_num_contexts		= BNXT_MAX_ETH_RSS_CTX + 1,
 	.rxfh_indir_space		= BNXT_MAX_RSS_TABLE_ENTRIES_P5,
 	.rxfh_priv_size			= sizeof(struct bnxt_rss_ctx),
 	.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c
@ -42,19 +42,15 @@ void bcmgenet_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
 	struct bcmgenet_priv *priv = netdev_priv(dev);
 	struct device *kdev = &priv->pdev->dev;

-	if (dev->phydev) {
+	if (dev->phydev)
 		phy_ethtool_get_wol(dev->phydev, wol);
-		if (wol->supported)
-			return;
-	}

-	if (!device_can_wakeup(kdev)) {
-		wol->supported = 0;
-		wol->wolopts = 0;
+	/* MAC is not wake-up capable, return what the PHY does */
+	if (!device_can_wakeup(kdev))
 		return;
-	}

-	wol->supported = WAKE_MAGIC | WAKE_MAGICSECURE | WAKE_FILTER;
+	/* Overlay MAC capabilities with that of the PHY queried before */
+	wol->supported |= WAKE_MAGIC | WAKE_MAGICSECURE | WAKE_FILTER;
 	wol->wolopts = priv->wolopts;
 	memset(wol->sopass, 0, sizeof(wol->sopass));

--- a/drivers/net/ethernet/freescale/fec_ptp.c
+++ b/drivers/net/ethernet/freescale/fec_ptp.c
@ -775,6 +775,9 @@ void fec_ptp_stop(struct platform_device *pdev)
 	struct net_device *ndev = platform_get_drvdata(pdev);
 	struct fec_enet_private *fep = netdev_priv(ndev);

+	if (fep->pps_enable)
+		fec_ptp_enable_pps(fep, 0);
+
 	cancel_delayed_work_sync(&fep->time_keep);
 	hrtimer_cancel(&fep->perout_timer);
 	if (fep->ptp_clock)
--- a/drivers/net/ethernet/google/gve/gve_ethtool.c
+++ b/drivers/net/ethernet/google/gve/gve_ethtool.c
@ -495,7 +495,7 @@ static int gve_set_channels(struct net_device *netdev,
 		return -EINVAL;
 	}

-	if (!netif_carrier_ok(netdev)) {
+	if (!netif_running(netdev)) {
 		priv->tx_cfg.num_queues = new_tx;
 		priv->rx_cfg.num_queues = new_rx;
 		return 0;
--- a/drivers/net/ethernet/google/gve/gve_main.c
+++ b/drivers/net/ethernet/google/gve/gve_main.c
@ -1566,7 +1566,7 @@ static int gve_set_xdp(struct gve_priv *priv, struct bpf_prog *prog,
 	u32 status;

 	old_prog = READ_ONCE(priv->xdp_prog);
-	if (!netif_carrier_ok(priv->dev)) {
+	if (!netif_running(priv->dev)) {
 		WRITE_ONCE(priv->xdp_prog, prog);
 		if (old_prog)
 			bpf_prog_put(old_prog);
@ -1847,7 +1847,7 @@ int gve_adjust_queues(struct gve_priv *priv,
 	rx_alloc_cfg.qcfg = &new_rx_config;
 	tx_alloc_cfg.num_rings = new_tx_config.num_queues;

-	if (netif_carrier_ok(priv->dev)) {
+	if (netif_running(priv->dev)) {
 		err = gve_adjust_config(priv, &tx_alloc_cfg, &rx_alloc_cfg);
 		return err;
 	}
@ -2064,7 +2064,7 @@ static int gve_set_features(struct net_device *netdev,

 	if ((netdev->features & NETIF_F_LRO) != (features & NETIF_F_LRO)) {
 		netdev->features ^= NETIF_F_LRO;
-		if (netif_carrier_ok(netdev)) {
+		if (netif_running(netdev)) {
 			err = gve_adjust_config(priv, &tx_alloc_cfg, &rx_alloc_cfg);
 			if (err)
 				goto revert_features;
@ -2359,7 +2359,7 @@ err:

 int gve_reset(struct gve_priv *priv, bool attempt_teardown)
 {
-	bool was_up = netif_carrier_ok(priv->dev);
+	bool was_up = netif_running(priv->dev);
 	int err;

 	dev_info(&priv->pdev->dev, "Performing reset\n");
@ -2700,7 +2700,7 @@ static void gve_shutdown(struct pci_dev *pdev)
 {
 	struct net_device *netdev = pci_get_drvdata(pdev);
 	struct gve_priv *priv = netdev_priv(netdev);
-	bool was_up = netif_carrier_ok(priv->dev);
+	bool was_up = netif_running(priv->dev);

 	rtnl_lock();
 	if (was_up && gve_close(priv->dev)) {
@ -2718,7 +2718,7 @@ static int gve_suspend(struct pci_dev *pdev, pm_message_t state)
 {
 	struct net_device *netdev = pci_get_drvdata(pdev);
 	struct gve_priv *priv = netdev_priv(netdev);
-	bool was_up = netif_carrier_ok(priv->dev);
+	bool was_up = netif_running(priv->dev);

 	priv->suspend_cnt++;
 	rtnl_lock();
--- a/drivers/net/ethernet/intel/ice/ice_ethtool.c
+++ b/drivers/net/ethernet/intel/ice/ice_ethtool.c
@ -4673,9 +4673,9 @@ static int ice_get_port_fec_stats(struct ice_hw *hw, u16 pcs_quad, u16 pcs_port,
 	if (err)
 		return err;

-	fec_stats->uncorrectable_blocks.total = (fec_corr_high_val << 16) +
+	fec_stats->corrected_blocks.total = (fec_corr_high_val << 16) +
 					     fec_corr_low_val;
-	fec_stats->corrected_blocks.total = (fec_uncorr_high_val << 16) +
+	fec_stats->uncorrectable_blocks.total = (fec_uncorr_high_val << 16) +
 						 fec_uncorr_low_val;
 	return 0;
 }
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@ -559,6 +559,8 @@ ice_prepare_for_reset(struct ice_pf *pf, enum ice_reset_req reset_type)
 	if (test_bit(ICE_PREPARED_FOR_RESET, pf->state))
 		return;

+	synchronize_irq(pf->oicr_irq.virq);
+
 	ice_unplug_aux_dev(pf);

 	/* Notify VFs of impending reset */
--- a/drivers/net/ethernet/intel/ice/ice_ptp.c
+++ b/drivers/net/ethernet/intel/ice/ice_ptp.c
@ -1477,6 +1477,10 @@ void ice_ptp_link_change(struct ice_pf *pf, u8 port, bool linkup)
 	/* Update cached link status for this port immediately */
 	ptp_port->link_up = linkup;

+	/* Skip HW writes if reset is in progress */
+	if (pf->hw.reset_ongoing)
+		return;
+
 	switch (hw->ptp.phy_model) {
 	case ICE_PHY_E810:
 		/* Do not reconfigure E810 PHY */
--- a/drivers/net/ethernet/intel/idpf/idpf_lib.c
+++ b/drivers/net/ethernet/intel/idpf/idpf_lib.c
@ -900,8 +900,8 @@ static void idpf_vport_stop(struct idpf_vport *vport)

 	vport->link_up = false;
 	idpf_vport_intr_deinit(vport);
-	idpf_vport_intr_rel(vport);
 	idpf_vport_queues_rel(vport);
+	idpf_vport_intr_rel(vport);
 	np->state = __IDPF_VPORT_DOWN;
 }

@ -1335,9 +1335,8 @@ static void idpf_rx_init_buf_tail(struct idpf_vport *vport)
 /**
 * idpf_vport_open - Bring up a vport
 * @vport: vport to bring up
- * @alloc_res: allocate queue resources
 */
-static int idpf_vport_open(struct idpf_vport *vport, bool alloc_res)
+static int idpf_vport_open(struct idpf_vport *vport)
 {
 	struct idpf_netdev_priv *np = netdev_priv(vport->netdev);
 	struct idpf_adapter *adapter = vport->adapter;
@ -1350,45 +1349,43 @@ static int idpf_vport_open(struct idpf_vport *vport, bool alloc_res)
 	/* we do not allow interface up just yet */
 	netif_carrier_off(vport->netdev);

-	if (alloc_res) {
-		err = idpf_vport_queues_alloc(vport);
-		if (err)
-			return err;
-	}
-
 	err = idpf_vport_intr_alloc(vport);
 	if (err) {
 		dev_err(&adapter->pdev->dev, "Failed to allocate interrupts for vport %u: %d\n",
 			vport->vport_id, err);
-		goto queues_rel;
+		return err;
 	}

+	err = idpf_vport_queues_alloc(vport);
+	if (err)
+		goto intr_rel;
+
 	err = idpf_vport_queue_ids_init(vport);
 	if (err) {
 		dev_err(&adapter->pdev->dev, "Failed to initialize queue ids for vport %u: %d\n",
 			vport->vport_id, err);
-		goto intr_rel;
+		goto queues_rel;
 	}

 	err = idpf_vport_intr_init(vport);
 	if (err) {
 		dev_err(&adapter->pdev->dev, "Failed to initialize interrupts for vport %u: %d\n",
 			vport->vport_id, err);
-		goto intr_rel;
+		goto queues_rel;
 	}

 	err = idpf_rx_bufs_init_all(vport);
 	if (err) {
 		dev_err(&adapter->pdev->dev, "Failed to initialize RX buffers for vport %u: %d\n",
 			vport->vport_id, err);
-		goto intr_rel;
+		goto queues_rel;
 	}

 	err = idpf_queue_reg_init(vport);
 	if (err) {
 		dev_err(&adapter->pdev->dev, "Failed to initialize queue registers for vport %u: %d\n",
 			vport->vport_id, err);
-		goto intr_rel;
+		goto queues_rel;
 	}

 	idpf_rx_init_buf_tail(vport);
@ -1455,10 +1452,10 @@ unmap_queue_vectors:
 	idpf_send_map_unmap_queue_vector_msg(vport, false);
 intr_deinit:
 	idpf_vport_intr_deinit(vport);
-intr_rel:
-	idpf_vport_intr_rel(vport);
 queues_rel:
 	idpf_vport_queues_rel(vport);
+intr_rel:
+	idpf_vport_intr_rel(vport);

 	return err;
 }
@ -1539,7 +1536,7 @@ void idpf_init_task(struct work_struct *work)
 	np = netdev_priv(vport->netdev);
 	np->state = __IDPF_VPORT_DOWN;
 	if (test_and_clear_bit(IDPF_VPORT_UP_REQUESTED, vport_config->flags))
-		idpf_vport_open(vport, true);
+		idpf_vport_open(vport);

 	/* Spawn and return 'idpf_init_task' work queue until all the
 	 * default vports are created
@ -1898,9 +1895,6 @@ int idpf_initiate_soft_reset(struct idpf_vport *vport,
 		goto free_vport;
 	}

-	err = idpf_vport_queues_alloc(new_vport);
-	if (err)
-		goto free_vport;
 	if (current_state <= __IDPF_VPORT_DOWN) {
 		idpf_send_delete_queues_msg(vport);
 	} else {
@ -1932,17 +1926,23 @@ int idpf_initiate_soft_reset(struct idpf_vport *vport,

 	err = idpf_set_real_num_queues(vport);
 	if (err)
-		goto err_reset;
+		goto err_open;

 	if (current_state == __IDPF_VPORT_UP)
-		err = idpf_vport_open(vport, false);
+		err = idpf_vport_open(vport);

 	kfree(new_vport);

 	return err;

 err_reset:
-	idpf_vport_queues_rel(new_vport);
+	idpf_send_add_queues_msg(vport, vport->num_txq, vport->num_complq,
+				 vport->num_rxq, vport->num_bufq);
+
+err_open:
+	if (current_state == __IDPF_VPORT_UP)
+		idpf_vport_open(vport);
+
 free_vport:
 	kfree(new_vport);

@ -2171,7 +2171,7 @@ static int idpf_open(struct net_device *netdev)
 	idpf_vport_ctrl_lock(netdev);
 	vport = idpf_netdev_to_vport(netdev);

-	err = idpf_vport_open(vport, true);
+	err = idpf_vport_open(vport);

 	idpf_vport_ctrl_unlock(netdev);

--- a/drivers/net/ethernet/intel/idpf/idpf_txrx.c
+++ b/drivers/net/ethernet/intel/idpf/idpf_txrx.c
@ -3576,9 +3576,7 @@ static void idpf_vport_intr_napi_dis_all(struct idpf_vport *vport)
 */
 void idpf_vport_intr_rel(struct idpf_vport *vport)
 {
-	int i, j, v_idx;
-
-	for (v_idx = 0; v_idx < vport->num_q_vectors; v_idx++) {
+	for (u32 v_idx = 0; v_idx < vport->num_q_vectors; v_idx++) {
 		struct idpf_q_vector *q_vector = &vport->q_vectors[v_idx];

 		kfree(q_vector->complq);
@ -3593,26 +3591,6 @@ void idpf_vport_intr_rel(struct idpf_vport *vport)
 		free_cpumask_var(q_vector->affinity_mask);
 	}

-	/* Clean up the mapping of queues to vectors */
-	for (i = 0; i < vport->num_rxq_grp; i++) {
-		struct idpf_rxq_group *rx_qgrp = &vport->rxq_grps[i];
-
-		if (idpf_is_queue_model_split(vport->rxq_model))
-			for (j = 0; j < rx_qgrp->splitq.num_rxq_sets; j++)
-				rx_qgrp->splitq.rxq_sets[j]->rxq.q_vector = NULL;
-		else
-			for (j = 0; j < rx_qgrp->singleq.num_rxq; j++)
-				rx_qgrp->singleq.rxqs[j]->q_vector = NULL;
-	}
-
-	if (idpf_is_queue_model_split(vport->txq_model))
-		for (i = 0; i < vport->num_txq_grp; i++)
-			vport->txq_grps[i].complq->q_vector = NULL;
-	else
-		for (i = 0; i < vport->num_txq_grp; i++)
-			for (j = 0; j < vport->txq_grps[i].num_txq; j++)
-				vport->txq_grps[i].txqs[j]->q_vector = NULL;
-
 	kfree(vport->q_vectors);
 	vport->q_vectors = NULL;
 }
@ -3780,13 +3758,15 @@ void idpf_vport_intr_update_itr_ena_irq(struct idpf_q_vector *q_vector)
 /**
 * idpf_vport_intr_req_irq - get MSI-X vectors from the OS for the vport
 * @vport: main vport structure
- * @basename: name for the vector
 */
-static int idpf_vport_intr_req_irq(struct idpf_vport *vport, char *basename)
+static int idpf_vport_intr_req_irq(struct idpf_vport *vport)
 {
 	struct idpf_adapter *adapter = vport->adapter;
+	const char *drv_name, *if_name, *vec_name;
 	int vector, err, irq_num, vidx;
-	const char *vec_name;
+
+	drv_name = dev_driver_string(&adapter->pdev->dev);
+	if_name = netdev_name(vport->netdev);

 	for (vector = 0; vector < vport->num_q_vectors; vector++) {
 		struct idpf_q_vector *q_vector = &vport->q_vectors[vector];
@ -3804,8 +3784,8 @@ static int idpf_vport_intr_req_irq(struct idpf_vport *vport, char *basename)
 		else
 			continue;

-		name = kasprintf(GFP_KERNEL, "%s-%s-%d", basename, vec_name,
-				 vidx);
+		name = kasprintf(GFP_KERNEL, "%s-%s-%s-%d", drv_name, if_name,
+				 vec_name, vidx);

 		err = request_irq(irq_num, idpf_vport_intr_clean_queues, 0,
 				  name, q_vector);
@ -4326,7 +4306,6 @@ error:
 */
 int idpf_vport_intr_init(struct idpf_vport *vport)
 {
-	char *int_name;
 	int err;

 	err = idpf_vport_intr_init_vec_idx(vport);
@ -4340,11 +4319,7 @@ int idpf_vport_intr_init(struct idpf_vport *vport)
 	if (err)
 		goto unroll_vectors_alloc;

-	int_name = kasprintf(GFP_KERNEL, "%s-%s",
-			     dev_driver_string(&vport->adapter->pdev->dev),
-			     vport->netdev->name);
-
-	err = idpf_vport_intr_req_irq(vport, int_name);
+	err = idpf_vport_intr_req_irq(vport);
 	if (err)
 		goto unroll_vectors_alloc;

--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4.h
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4.h
@ -573,8 +573,6 @@ static inline u32 mtl_low_credx_base_addr(const struct dwmac4_addrs *addrs,
 #define GMAC_PHYIF_CTRLSTATUS_LNKSTS		BIT(19)
 #define GMAC_PHYIF_CTRLSTATUS_JABTO		BIT(20)
 #define GMAC_PHYIF_CTRLSTATUS_FALSECARDET	BIT(21)
-/* LNKMOD */
-#define GMAC_PHYIF_CTRLSTATUS_LNKMOD_MASK	0x1
 /* LNKSPEED */
 #define GMAC_PHYIF_CTRLSTATUS_SPEED_125		0x2
 #define GMAC_PHYIF_CTRLSTATUS_SPEED_25		0x1
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
@ -786,7 +786,7 @@ static void dwmac4_phystatus(void __iomem *ioaddr, struct stmmac_extra_stats *x)
 		else
 			x->pcs_speed = SPEED_10;

-		x->pcs_duplex = (status & GMAC_PHYIF_CTRLSTATUS_LNKMOD_MASK);
+		x->pcs_duplex = (status & GMAC_PHYIF_CTRLSTATUS_LNKMOD);

 		pr_info("Link is Up - %d/%s\n", (int)x->pcs_speed,
 			x->pcs_duplex ? "Full" : "Half");
--- a/drivers/net/pse-pd/tps23881.c
+++ b/drivers/net/pse-pd/tps23881.c
@ -5,6 +5,7 @@
 * Copyright (c) 2023 Bootlin, Kory Maincent <kory.maincent@bootlin.com>
 */

+#include <linux/bitfield.h>
 #include <linux/delay.h>
 #include <linux/firmware.h>
 #include <linux/i2c.h>
@ -29,6 +30,8 @@
 #define TPS23881_REG_TPON	BIT(0)
 #define TPS23881_REG_FWREV	0x41
 #define TPS23881_REG_DEVID	0x43
+#define TPS23881_REG_DEVID_MASK	0xF0
+#define TPS23881_DEVICE_ID	0x02
 #define TPS23881_REG_SRAM_CTRL	0x60
 #define TPS23881_REG_SRAM_DATA	0x61

@ -750,7 +753,7 @@ static int tps23881_i2c_probe(struct i2c_client *client)
 	if (ret < 0)
 		return ret;

-	if (ret != 0x22) {
+	if (FIELD_GET(TPS23881_REG_DEVID_MASK, ret) != TPS23881_DEVICE_ID) {
 		dev_err(dev, "Wrong device ID\n");
 		return -ENXIO;
 	}
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@ -201,6 +201,7 @@ static int qmimux_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
 			break;
 		default:
 			/* not ip - do not know what to do */
+			kfree_skb(skbn);
 			goto skip;
 		}

@ -1431,6 +1432,7 @@ static const struct usb_device_id products[] = {
 	{QMI_QUIRK_SET_DTR(0x1546, 0x1312, 4)},	/* u-blox LARA-R6 01B */
 	{QMI_QUIRK_SET_DTR(0x1546, 0x1342, 4)},	/* u-blox LARA-L6 */
 	{QMI_QUIRK_SET_DTR(0x33f8, 0x0104, 4)}, /* Rolling RW101 RMNET */
+	{QMI_FIXED_INTF(0x2dee, 0x4d22, 5)},    /* MeiG Smart SRM825L */

 	/* 4. Gobi 1000 devices */
 	{QMI_GOBI1K_DEVICE(0x05c6, 0x9212)},	/* Acer Gobi Modem Device */
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@ -3658,6 +3658,9 @@ static int virtnet_send_rx_ctrl_coal_vq_cmd(struct virtnet_info *vi,
 {
 	int err;

+	if (!virtio_has_feature(vi->vdev, VIRTIO_NET_F_VQ_NOTF_COAL))
+		return -EOPNOTSUPP;
+
 	err = virtnet_send_ctrl_coal_vq_cmd(vi, rxq2vq(queue),
 					    max_usecs, max_packets);
 	if (err)
@ -3675,6 +3678,9 @@ static int virtnet_send_tx_ctrl_coal_vq_cmd(struct virtnet_info *vi,
 {
 	int err;

+	if (!virtio_has_feature(vi->vdev, VIRTIO_NET_F_VQ_NOTF_COAL))
+		return -EOPNOTSUPP;
+
 	err = virtnet_send_ctrl_coal_vq_cmd(vi, txq2vq(queue),
 					    max_usecs, max_packets);
 	if (err)
@ -3743,7 +3749,11 @@ static int virtnet_set_ringparam(struct net_device *dev,
 			err = virtnet_send_tx_ctrl_coal_vq_cmd(vi, i,
 							       vi->intr_coal_tx.max_usecs,
 							       vi->intr_coal_tx.max_packets);
-			if (err)
+
+			/* Don't break the tx resize action if the vq coalescing is not
+			 * supported. The same is true for rx resize below.
+			 */
+			if (err && err != -EOPNOTSUPP)
 				return err;
 		}

@ -3758,7 +3768,7 @@ static int virtnet_set_ringparam(struct net_device *dev,
 							       vi->intr_coal_rx.max_usecs,
 							       vi->intr_coal_rx.max_packets);
 			mutex_unlock(&vi->rq[i].dim_lock);
-			if (err)
+			if (err && err != -EOPNOTSUPP)
 				return err;
 		}
 	}
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h
@ -736,10 +736,10 @@ struct kernel_ethtool_ts_info {
 * @rxfh_key_space: same as @rxfh_indir_space, but for the key.
 * @rxfh_priv_size: size of the driver private data area the core should
 *	allocate for an RSS context (in &struct ethtool_rxfh_context).
- * @rxfh_max_context_id: maximum (exclusive) supported RSS context ID.  If this
- *	is zero then the core may choose any (nonzero) ID, otherwise the core
- *	will only use IDs strictly less than this value, as the @rss_context
- *	argument to @create_rxfh_context and friends.
+ * @rxfh_max_num_contexts: maximum (exclusive) supported RSS context ID.
+ *	If this is zero then the core may choose any (nonzero) ID, otherwise
+ *	the core will only use IDs strictly less than this value, as the
+ *	@rss_context argument to @create_rxfh_context and friends.
 * @supported_coalesce_params: supported types of interrupt coalescing.
 * @supported_ring_params: supported ring params.
 * @get_drvinfo: Report driver/device information. Modern drivers no
@ -954,7 +954,7 @@ struct ethtool_ops {
 	u32	rxfh_indir_space;
 	u16	rxfh_key_space;
 	u16	rxfh_priv_size;
-	u32	rxfh_max_context_id;
+	u32	rxfh_max_num_contexts;
 	u32	supported_coalesce_params;
 	u32	supported_ring_params;
 	void	(*get_drvinfo)(struct net_device *, struct ethtool_drvinfo *);
--- a/net/bluetooth/hci_sync.c
+++ b/net/bluetooth/hci_sync.c
@ -3019,6 +3019,20 @@ static int hci_passive_scan_sync(struct hci_dev *hdev)
 	} else if (hci_is_adv_monitoring(hdev)) {
 		window = hdev->le_scan_window_adv_monitor;
 		interval = hdev->le_scan_int_adv_monitor;
+
+		/* Disable duplicates filter when scanning for advertisement
+		 * monitor for the following reasons.
+		 *
+		 * For HW pattern filtering (ex. MSFT), Realtek and Qualcomm
+		 * controllers ignore RSSI_Sampling_Period when the duplicates
+		 * filter is enabled.
+		 *
+		 * For SW pattern filtering, when we're not doing interleaved
+		 * scanning, it is necessary to disable duplicates filter,
+		 * otherwise hosts can only receive one advertisement and it's
+		 * impossible to know if a peer is still in range.
+		 */
+		filter_dups = LE_SCAN_FILTER_DUP_DISABLE;
 	} else {
 		window = hdev->le_scan_window;
 		interval = hdev->le_scan_interval;
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@ -6774,6 +6774,7 @@ static void l2cap_conless_channel(struct l2cap_conn *conn, __le16 psm,
 	bt_cb(skb)->l2cap.psm = psm;

 	if (!chan->ops->recv(chan, skb)) {
+		l2cap_chan_unlock(chan);
 		l2cap_chan_put(chan);
 		return;
 	}
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@ -2045,16 +2045,14 @@ void br_multicast_del_port(struct net_bridge_port *port)
 {
 	struct net_bridge *br = port->br;
 	struct net_bridge_port_group *pg;
-	HLIST_HEAD(deleted_head);
 	struct hlist_node *n;

 	/* Take care of the remaining groups, only perm ones should be left */
 	spin_lock_bh(&br->multicast_lock);
 	hlist_for_each_entry_safe(pg, n, &port->mglist, mglist)
 		br_multicast_find_del_pg(br, pg);
-	hlist_move_list(&br->mcast_gc_list, &deleted_head);
 	spin_unlock_bh(&br->multicast_lock);
-	br_multicast_gc(&deleted_head);
+	flush_work(&br->mcast_gc_work);
 	br_multicast_port_ctx_deinit(&port->multicast_ctx);
 	free_percpu(port->mcast_stats);
 }
--- a/net/core/link_watch.c
+++ b/net/core/link_watch.c
@ -148,9 +148,9 @@ static void linkwatch_schedule_work(int urgent)
 	 * override the existing timer.
 	 */
 	if (test_bit(LW_URGENT, &linkwatch_flags))
-		mod_delayed_work(system_wq, &linkwatch_work, 0);
+		mod_delayed_work(system_unbound_wq, &linkwatch_work, 0);
 	else
-		schedule_delayed_work(&linkwatch_work, delay);
+		queue_delayed_work(system_unbound_wq, &linkwatch_work, delay);
 }


--- a/net/ethtool/ioctl.c
+++ b/net/ethtool/ioctl.c
@ -1369,14 +1369,17 @@ static noinline_for_stack int ethtool_set_rxfh(struct net_device *dev,
 		return -EOPNOTSUPP;
 	create = rxfh.rss_context == ETH_RXFH_CONTEXT_ALLOC;

-	/* If either indir, hash key or function is valid, proceed further.
-	 * Must request at least one change: indir size, hash key, function
-	 * or input transformation.
-	 */
 	if ((rxfh.indir_size &&
 	     rxfh.indir_size != ETH_RXFH_INDIR_NO_CHANGE &&
 	     rxfh.indir_size != dev_indir_size) ||
-	    (rxfh.key_size && (rxfh.key_size != dev_key_size)) ||
+	    (rxfh.key_size && rxfh.key_size != dev_key_size))
+		return -EINVAL;
+
+	/* Must request at least one change: indir size, hash key, function
+	 * or input transformation.
+	 * There's no need for any of it in case of context creation.
+	 */
+	if (!create &&
 	    (rxfh.indir_size == ETH_RXFH_INDIR_NO_CHANGE &&
 	     rxfh.key_size == 0 && rxfh.hfunc == ETH_RSS_HASH_NO_CHANGE &&
 	     rxfh.input_xfrm == RXH_XFRM_NO_CHANGE))
@ -1449,12 +1452,13 @@ static noinline_for_stack int ethtool_set_rxfh(struct net_device *dev,
 		}

 		if (ops->create_rxfh_context) {
-			u32 limit = ops->rxfh_max_context_id ?: U32_MAX;
+			u32 limit = ops->rxfh_max_num_contexts ?: U32_MAX;
 			u32 ctx_id;

 			/* driver uses new API, core allocates ID */
 			ret = xa_alloc(&dev->ethtool->rss_ctx, &ctx_id, ctx,
-				       XA_LIMIT(1, limit), GFP_KERNEL_ACCOUNT);
+				       XA_LIMIT(1, limit - 1),
+				       GFP_KERNEL_ACCOUNT);
 			if (ret < 0) {
 				kfree(ctx);
 				goto out;
--- a/net/ipv4/tcp_ao.c
+++ b/net/ipv4/tcp_ao.c
@ -267,32 +267,49 @@ static void tcp_ao_key_free_rcu(struct rcu_head *head)
 	kfree_sensitive(key);
 }

-void tcp_ao_destroy_sock(struct sock *sk, bool twsk)
+static void tcp_ao_info_free_rcu(struct rcu_head *head)
 {
-	struct tcp_ao_info *ao;
+	struct tcp_ao_info *ao = container_of(head, struct tcp_ao_info, rcu);
 	struct tcp_ao_key *key;
 	struct hlist_node *n;

+	hlist_for_each_entry_safe(key, n, &ao->head, node) {
+		hlist_del(&key->node);
+		tcp_sigpool_release(key->tcp_sigpool_id);
+		kfree_sensitive(key);
+	}
+	kfree(ao);
+	static_branch_slow_dec_deferred(&tcp_ao_needed);
+}
+
+static void tcp_ao_sk_omem_free(struct sock *sk, struct tcp_ao_info *ao)
+{
+	size_t total_ao_sk_mem = 0;
+	struct tcp_ao_key *key;
+
+	hlist_for_each_entry(key,  &ao->head, node)
+		total_ao_sk_mem += tcp_ao_sizeof_key(key);
+	atomic_sub(total_ao_sk_mem, &sk->sk_omem_alloc);
+}
+
+void tcp_ao_destroy_sock(struct sock *sk, bool twsk)
+{
+	struct tcp_ao_info *ao;
+
 	if (twsk) {
 		ao = rcu_dereference_protected(tcp_twsk(sk)->ao_info, 1);
-		tcp_twsk(sk)->ao_info = NULL;
+		rcu_assign_pointer(tcp_twsk(sk)->ao_info, NULL);
 	} else {
 		ao = rcu_dereference_protected(tcp_sk(sk)->ao_info, 1);
-		tcp_sk(sk)->ao_info = NULL;
+		rcu_assign_pointer(tcp_sk(sk)->ao_info, NULL);
 	}

 	if (!ao || !refcount_dec_and_test(&ao->refcnt))
 		return;

-	hlist_for_each_entry_safe(key, n, &ao->head, node) {
-		hlist_del_rcu(&key->node);
 	if (!twsk)
-			atomic_sub(tcp_ao_sizeof_key(key), &sk->sk_omem_alloc);
-		call_rcu(&key->rcu, tcp_ao_key_free_rcu);
-	}
-
-	kfree_rcu(ao, rcu);
-	static_branch_slow_dec_deferred(&tcp_ao_needed);
+		tcp_ao_sk_omem_free(sk, ao);
+	call_rcu(&ao->rcu, tcp_ao_info_free_rcu);
 }

 void tcp_ao_time_wait(struct tcp_timewait_sock *tcptw, struct tcp_sock *tp)
--- a/net/l2tp/l2tp_core.c
+++ b/net/l2tp/l2tp_core.c
@ -86,6 +86,11 @@
 /* Default trace flags */
 #define L2TP_DEFAULT_DEBUG_FLAGS	0

+#define L2TP_DEPTH_NESTING		2
+#if L2TP_DEPTH_NESTING == SINGLE_DEPTH_NESTING
+#error "L2TP requires its own lockdep subclass"
+#endif
+
 /* Private data stored for received packets in the skb.
 */
 struct l2tp_skb_cb {
@ -1124,7 +1129,13 @@ static int l2tp_xmit_core(struct l2tp_session *session, struct sk_buff *skb, uns
 	IPCB(skb)->flags &= ~(IPSKB_XFRM_TUNNEL_SIZE | IPSKB_XFRM_TRANSFORMED | IPSKB_REROUTED);
 	nf_reset_ct(skb);

-	bh_lock_sock_nested(sk);
+	/* L2TP uses its own lockdep subclass to avoid lockdep splats caused by
+	 * nested socket calls on the same lockdep socket class. This can
+	 * happen when data from a user socket is routed over l2tp, which uses
+	 * another userspace socket.
+	 */
+	spin_lock_nested(&sk->sk_lock.slock, L2TP_DEPTH_NESTING);
+
 	if (sock_owned_by_user(sk)) {
 		kfree_skb(skb);
 		ret = NET_XMIT_DROP;
@ -1176,7 +1187,7 @@ static int l2tp_xmit_core(struct l2tp_session *session, struct sk_buff *skb, uns
 	ret = l2tp_xmit_queue(tunnel, skb, &inet->cork.fl);

 out_unlock:
-	bh_unlock_sock(sk);
+	spin_unlock(&sk->sk_lock.slock);

 	return ret;
 }
--- a/net/mptcp/options.c
+++ b/net/mptcp/options.c
@ -958,7 +958,8 @@ static bool check_fully_established(struct mptcp_sock *msk, struct sock *ssk,

 	if (subflow->remote_key_valid &&
 	    (((mp_opt->suboptions & OPTION_MPTCP_DSS) && mp_opt->use_ack) ||
-	     ((mp_opt->suboptions & OPTION_MPTCP_ADD_ADDR) && !mp_opt->echo))) {
+	     ((mp_opt->suboptions & OPTION_MPTCP_ADD_ADDR) &&
+	      (!mp_opt->echo || subflow->mp_join)))) {
 		/* subflows are fully established as soon as we get any
 		 * additional ack, including ADD_ADDR.
 		 */
--- a/net/mptcp/pm_netlink.c
+++ b/net/mptcp/pm_netlink.c
@ -348,7 +348,7 @@ bool mptcp_pm_alloc_anno_list(struct mptcp_sock *msk,
 	add_entry = mptcp_lookup_anno_list_by_saddr(msk, addr);

 	if (add_entry) {
-		if (mptcp_pm_is_kernel(msk))
+		if (WARN_ON_ONCE(mptcp_pm_is_kernel(msk)))
 			return false;

 		sk_reset_timer(sk, &add_entry->add_timer,
@ -512,8 +512,8 @@ __lookup_addr(struct pm_nl_pernet *pernet, const struct mptcp_addr_info *info)

 static void mptcp_pm_create_subflow_or_signal_addr(struct mptcp_sock *msk)
 {
+	struct mptcp_pm_addr_entry *local, *signal_and_subflow = NULL;
 	struct sock *sk = (struct sock *)msk;
-	struct mptcp_pm_addr_entry *local;
 	unsigned int add_addr_signal_max;
 	unsigned int local_addr_max;
 	struct pm_nl_pernet *pernet;
@ -555,8 +555,6 @@ static void mptcp_pm_create_subflow_or_signal_addr(struct mptcp_sock *msk)

 	/* check first for announce */
 	if (msk->pm.add_addr_signaled < add_addr_signal_max) {
-		local = select_signal_address(pernet, msk);
-
 		/* due to racing events on both ends we can reach here while
 		 * previous add address is still running: if we invoke now
 		 * mptcp_pm_announce_addr(), that will fail and the
@ -567,16 +565,26 @@ static void mptcp_pm_create_subflow_or_signal_addr(struct mptcp_sock *msk)
 		if (msk->pm.addr_signal & BIT(MPTCP_ADD_ADDR_SIGNAL))
 			return;

-		if (local) {
-			if (mptcp_pm_alloc_anno_list(msk, &local->addr)) {
+		local = select_signal_address(pernet, msk);
+		if (!local)
+			goto subflow;
+
+		/* If the alloc fails, we are on memory pressure, not worth
+		 * continuing, and trying to create subflows.
+		 */
+		if (!mptcp_pm_alloc_anno_list(msk, &local->addr))
+			return;
+
 		__clear_bit(local->addr.id, msk->pm.id_avail_bitmap);
 		msk->pm.add_addr_signaled++;
 		mptcp_pm_announce_addr(msk, &local->addr, false);
 		mptcp_pm_nl_addr_send_ack(msk);
-			}
-		}
+
+		if (local->flags & MPTCP_PM_ADDR_FLAG_SUBFLOW)
+			signal_and_subflow = local;
 	}

+subflow:
 	/* check if should create a new subflow */
 	while (msk->pm.local_addr_used < local_addr_max &&
 	       msk->pm.subflows < subflows_max) {
@ -584,9 +592,14 @@ static void mptcp_pm_create_subflow_or_signal_addr(struct mptcp_sock *msk)
 		bool fullmesh;
 		int i, nr;

+		if (signal_and_subflow) {
+			local = signal_and_subflow;
+			signal_and_subflow = NULL;
+		} else {
 			local = select_local_address(pernet, msk);
 			if (!local)
 				break;
+		}

 		fullmesh = !!(local->flags & MPTCP_PM_ADDR_FLAG_FULLMESH);

@ -1328,8 +1341,8 @@ int mptcp_pm_nl_add_addr_doit(struct sk_buff *skb, struct genl_info *info)
 	if (ret < 0)
 		return ret;

-	if (addr.addr.port && !(addr.flags & MPTCP_PM_ADDR_FLAG_SIGNAL)) {
-		GENL_SET_ERR_MSG(info, "flags must have signal when using port");
+	if (addr.addr.port && !address_use_port(&addr)) {
+		GENL_SET_ERR_MSG(info, "flags must have signal and not subflow when using port");
 		return -EINVAL;
 	}

--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@ -735,15 +735,19 @@ static int __sctp_hash_endpoint(struct sctp_endpoint *ep)
 	struct sock *sk = ep->base.sk;
 	struct net *net = sock_net(sk);
 	struct sctp_hashbucket *head;
+	int err = 0;

 	ep->hashent = sctp_ep_hashfn(net, ep->base.bind_addr.port);
 	head = &sctp_ep_hashtable[ep->hashent];

+	write_lock(&head->lock);
 	if (sk->sk_reuseport) {
 		bool any = sctp_is_ep_boundall(sk);
 		struct sctp_endpoint *ep2;
 		struct list_head *list;
-		int cnt = 0, err = 1;
+		int cnt = 0;
+
+		err = 1;

 		list_for_each(list, &ep->base.bind_addr.address_list)
 			cnt++;
@ -761,24 +765,24 @@ static int __sctp_hash_endpoint(struct sctp_endpoint *ep)
 			if (!err) {
 				err = reuseport_add_sock(sk, sk2, any);
 				if (err)
-					return err;
+					goto out;
 				break;
 			} else if (err < 0) {
-				return err;
+				goto out;
 			}
 		}

 		if (err) {
 			err = reuseport_alloc(sk, any);
 			if (err)
-				return err;
+				goto out;
 		}
 	}

-	write_lock(&head->lock);
 	hlist_add_head(&ep->node, &head->chain);
+out:
 	write_unlock(&head->lock);
-	return 0;
+	return err;
 }

 /* Add an endpoint to the hash. Local BH-safe. */
@ -803,10 +807,9 @@ static void __sctp_unhash_endpoint(struct sctp_endpoint *ep)

 	head = &sctp_ep_hashtable[ep->hashent];

+	write_lock(&head->lock);
 	if (rcu_access_pointer(sk->sk_reuseport_cb))
 		reuseport_detach_sock(sk);
-
-	write_lock(&head->lock);
 	hlist_del_init(&ep->node);
 	write_unlock(&head->lock);
 }
--- a/net/smc/smc_stats.h
+++ b/net/smc/smc_stats.h
@ -19,7 +19,7 @@

 #include "smc_clc.h"

-#define SMC_MAX_FBACK_RSN_CNT 30
+#define SMC_MAX_FBACK_RSN_CNT 36

 enum {
 	SMC_BUF_8K,
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@ -1415,18 +1415,28 @@ chk_add_nr()
 	local add_nr=$1
 	local echo_nr=$2
 	local port_nr=${3:-0}
-	local syn_nr=${4:-$port_nr}
-	local syn_ack_nr=${5:-$port_nr}
-	local ack_nr=${6:-$port_nr}
-	local mis_syn_nr=${7:-0}
-	local mis_ack_nr=${8:-0}
+	local ns_invert=${4:-""}
+	local syn_nr=$port_nr
+	local syn_ack_nr=$port_nr
+	local ack_nr=$port_nr
+	local mis_syn_nr=0
+	local mis_ack_nr=0
+	local ns_tx=$ns1
+	local ns_rx=$ns2
+	local extra_msg=""
 	local count
 	local timeout

-	timeout=$(ip netns exec $ns1 sysctl -n net.mptcp.add_addr_timeout)
+	if [[ $ns_invert = "invert" ]]; then
+		ns_tx=$ns2
+		ns_rx=$ns1
+		extra_msg="invert"
+	fi
+
+	timeout=$(ip netns exec ${ns_tx} sysctl -n net.mptcp.add_addr_timeout)

 	print_check "add"
-	count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtAddAddr")
+	count=$(mptcp_lib_get_counter ${ns_rx} "MPTcpExtAddAddr")
 	if [ -z "$count" ]; then
 		print_skip
 	# if the test configured a short timeout tolerate greater then expected
@ -1438,7 +1448,7 @@ chk_add_nr()
 	fi

 	print_check "echo"
-	count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtEchoAdd")
+	count=$(mptcp_lib_get_counter ${ns_tx} "MPTcpExtEchoAdd")
 	if [ -z "$count" ]; then
 		print_skip
 	elif [ "$count" != "$echo_nr" ]; then
@ -1449,7 +1459,7 @@ chk_add_nr()

 	if [ $port_nr -gt 0 ]; then
 		print_check "pt"
-		count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtPortAdd")
+		count=$(mptcp_lib_get_counter ${ns_rx} "MPTcpExtPortAdd")
 		if [ -z "$count" ]; then
 			print_skip
 		elif [ "$count" != "$port_nr" ]; then
@ -1459,7 +1469,7 @@ chk_add_nr()
 		fi

 		print_check "syn"
-		count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMPJoinPortSynRx")
+		count=$(mptcp_lib_get_counter ${ns_tx} "MPTcpExtMPJoinPortSynRx")
 		if [ -z "$count" ]; then
 			print_skip
 		elif [ "$count" != "$syn_nr" ]; then
@ -1470,7 +1480,7 @@ chk_add_nr()
 		fi

 		print_check "synack"
-		count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtMPJoinPortSynAckRx")
+		count=$(mptcp_lib_get_counter ${ns_rx} "MPTcpExtMPJoinPortSynAckRx")
 		if [ -z "$count" ]; then
 			print_skip
 		elif [ "$count" != "$syn_ack_nr" ]; then
@ -1481,7 +1491,7 @@ chk_add_nr()
 		fi

 		print_check "ack"
-		count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMPJoinPortAckRx")
+		count=$(mptcp_lib_get_counter ${ns_tx} "MPTcpExtMPJoinPortAckRx")
 		if [ -z "$count" ]; then
 			print_skip
 		elif [ "$count" != "$ack_nr" ]; then
@ -1492,7 +1502,7 @@ chk_add_nr()
 		fi

 		print_check "syn"
-		count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMismatchPortSynRx")
+		count=$(mptcp_lib_get_counter ${ns_tx} "MPTcpExtMismatchPortSynRx")
 		if [ -z "$count" ]; then
 			print_skip
 		elif [ "$count" != "$mis_syn_nr" ]; then
@ -1503,7 +1513,7 @@ chk_add_nr()
 		fi

 		print_check "ack"
-		count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMismatchPortAckRx")
+		count=$(mptcp_lib_get_counter ${ns_tx} "MPTcpExtMismatchPortAckRx")
 		if [ -z "$count" ]; then
 			print_skip
 		elif [ "$count" != "$mis_ack_nr" ]; then
@ -1513,6 +1523,8 @@ chk_add_nr()
 			print_ok
 		fi
 	fi
+
+	print_info "$extra_msg"
 }

 chk_add_tx_nr()
@ -1977,6 +1989,21 @@ signal_address_tests()
 		chk_add_nr 1 1
 	fi

+	# uncommon: subflow and signal flags on the same endpoint
+	# or because the user wrongly picked both, but still expects the client
+	# to create additional subflows
+	if reset "subflow and signal together"; 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 signal,subflow
+		run_tests $ns1 $ns2 10.0.1.1
+		chk_join_nr 1 1 1
+		chk_add_nr 1 1 0 invert  # only initiated by ns2
+		chk_add_nr 0 0 0         # none initiated by ns1
+		chk_rst_nr 0 0 invert    # no RST sent by the client
+		chk_rst_nr 0 0           # no RST sent by the server
+	fi
+
 	# accept and use add_addr with additional subflows
 	if reset "multiple subflows and signal"; then
 		pm_nl_set_limits $ns1 0 3