Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

Pull networking fixes from David Miller:

 1) Fix TCP checksum offload handling in iwlwifi driver, from Emmanuel
    Grumbach.

 2) In ksz DSA tagging code, free SKB if skb_put_padto() fails. From
    Vivien Didelot.

 3) Fix two regressions with bonding on wireless, from Andreas Born.

 4) Fix build when busypoll is disabled, from Daniel Borkmann.

 5) Fix copy_linear_skb() wrt. SO_PEEK_OFF, from Eric Dumazet.

 6) Set SKB cached route properly in inet_rtm_getroute(), from Florian
    Westphal.

 7) Fix PCI-E relaxed ordering handling in cxgb4 driver, from Ding
    Tianhong.

 8) Fix module refcnt leak in ULP code, from Sabrina Dubroca.

 9) Fix use of GFP_KERNEL in atomic contexts in AF_KEY code, from Eric
    Dumazet.

10) Need to purge socket write queue in dccp_destroy_sock(), also from
    Eric Dumazet.

11) Make bpf_trace_printk() work properly on 32-bit architectures, from
    Daniel Borkmann.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (47 commits)
  bpf: fix bpf_trace_printk on 32 bit archs
  PCI: fix oops when try to find Root Port for a PCI device
  sfc: don't try and read ef10 data on non-ef10 NIC
  net_sched: remove warning from qdisc_hash_add
  net_sched/sfq: update hierarchical backlog when drop packet
  net_sched: reset pointers to tcf blocks in classful qdiscs' destructors
  ipv4: fix NULL dereference in free_fib_info_rcu()
  net: Fix a typo in comment about sock flags.
  ipv6: fix NULL dereference in ip6_route_dev_notify()
  tcp: fix possible deadlock in TCP stack vs BPF filter
  dccp: purge write queue in dccp_destroy_sock()
  udp: fix linear skb reception with PEEK_OFF
  ipv6: release rt6->rt6i_idev properly during ifdown
  af_key: do not use GFP_KERNEL in atomic contexts
  tcp: ulp: avoid module refcnt leak in tcp_set_ulp
  net/cxgb4vf: Use new PCI_DEV_FLAGS_NO_RELAXED_ORDERING flag
  net/cxgb4: Use new PCI_DEV_FLAGS_NO_RELAXED_ORDERING flag
  PCI: Disable Relaxed Ordering Attributes for AMD A1100
  PCI: Disable Relaxed Ordering for some Intel processors
  PCI: Disable PCIe Relaxed Ordering if unsupported
  ...

31 files changed, 325 insertions, 77 deletions

diff --git a/drivers/isdn/mISDN/fsm.c b/drivers/isdn/mISDN/fsm.c
index 78fc5d5e9051..92e6570b1143 100644
--- a/drivers/isdn/mISDN/fsm.c
+++ b/drivers/isdn/mISDN/fsm.c
@@ -26,7 +26,7 @@
 
 #define FSM_TIMER_DEBUG 0
 
-void
+int
 mISDN_FsmNew(struct Fsm *fsm,
 	     struct FsmNode *fnlist, int fncount)
 {
@@ -34,6 +34,8 @@ mISDN_FsmNew(struct Fsm *fsm,
 
 	fsm->jumpmatrix = kzalloc(sizeof(FSMFNPTR) * fsm->state_count *
 				  fsm->event_count, GFP_KERNEL);
+	if (fsm->jumpmatrix == NULL)
+		return -ENOMEM;
 
 	for (i = 0; i < fncount; i++)
 		if ((fnlist[i].state >= fsm->state_count) ||
@@ -45,6 +47,7 @@ mISDN_FsmNew(struct Fsm *fsm,
 		} else
 			fsm->jumpmatrix[fsm->state_count * fnlist[i].event +
 					fnlist[i].state] = (FSMFNPTR) fnlist[i].routine;
+	return 0;
 }
 EXPORT_SYMBOL(mISDN_FsmNew);
 
diff --git a/drivers/isdn/mISDN/fsm.h b/drivers/isdn/mISDN/fsm.h
index 928f5be192c1..e1def8490221 100644
--- a/drivers/isdn/mISDN/fsm.h
+++ b/drivers/isdn/mISDN/fsm.h
@@ -55,7 +55,7 @@ struct FsmTimer {
 	void *arg;
 };
 
-extern void mISDN_FsmNew(struct Fsm *, struct FsmNode *, int);
+extern int mISDN_FsmNew(struct Fsm *, struct FsmNode *, int);
 extern void mISDN_FsmFree(struct Fsm *);
 extern int mISDN_FsmEvent(struct FsmInst *, int , void *);
 extern void mISDN_FsmChangeState(struct FsmInst *, int);
diff --git a/drivers/isdn/mISDN/layer1.c b/drivers/isdn/mISDN/layer1.c
index bebc57b72138..3192b0eb3944 100644
--- a/drivers/isdn/mISDN/layer1.c
+++ b/drivers/isdn/mISDN/layer1.c
@@ -414,8 +414,7 @@ l1_init(u_int *deb)
 	l1fsm_s.event_count = L1_EVENT_COUNT;
 	l1fsm_s.strEvent = strL1Event;
 	l1fsm_s.strState = strL1SState;
-	mISDN_FsmNew(&l1fsm_s, L1SFnList, ARRAY_SIZE(L1SFnList));
-	return 0;
+	return mISDN_FsmNew(&l1fsm_s, L1SFnList, ARRAY_SIZE(L1SFnList));
 }
 
 void
diff --git a/drivers/isdn/mISDN/layer2.c b/drivers/isdn/mISDN/layer2.c
index 7243a6746f8b..9ff0903a0e89 100644
--- a/drivers/isdn/mISDN/layer2.c
+++ b/drivers/isdn/mISDN/layer2.c
@@ -2247,15 +2247,26 @@ static struct Bprotocol X75SLP = {
 int
 Isdnl2_Init(u_int *deb)
 {
+	int res;
 	debug = deb;
 	mISDN_register_Bprotocol(&X75SLP);
 	l2fsm.state_count = L2_STATE_COUNT;
 	l2fsm.event_count = L2_EVENT_COUNT;
 	l2fsm.strEvent = strL2Event;
 	l2fsm.strState = strL2State;
-	mISDN_FsmNew(&l2fsm, L2FnList, ARRAY_SIZE(L2FnList));
-	TEIInit(deb);
+	res = mISDN_FsmNew(&l2fsm, L2FnList, ARRAY_SIZE(L2FnList));
+	if (res)
+		goto error;
+	res = TEIInit(deb);
+	if (res)
+		goto error_fsm;
 	return 0;
+
+error_fsm:
+	mISDN_FsmFree(&l2fsm);
+error:
+	mISDN_unregister_Bprotocol(&X75SLP);
+	return res;
 }
 
 void
diff --git a/drivers/isdn/mISDN/tei.c b/drivers/isdn/mISDN/tei.c
index 908127efccf8..12d9e5f4beb1 100644
--- a/drivers/isdn/mISDN/tei.c
+++ b/drivers/isdn/mISDN/tei.c
@@ -1387,23 +1387,37 @@ create_teimanager(struct mISDNdevice *dev)
 
 int TEIInit(u_int *deb)
 {
+	int res;
 	debug = deb;
 	teifsmu.state_count = TEI_STATE_COUNT;
 	teifsmu.event_count = TEI_EVENT_COUNT;
 	teifsmu.strEvent = strTeiEvent;
 	teifsmu.strState = strTeiState;
-	mISDN_FsmNew(&teifsmu, TeiFnListUser, ARRAY_SIZE(TeiFnListUser));
+	res = mISDN_FsmNew(&teifsmu, TeiFnListUser, ARRAY_SIZE(TeiFnListUser));
+	if (res)
+		goto error;
 	teifsmn.state_count = TEI_STATE_COUNT;
 	teifsmn.event_count = TEI_EVENT_COUNT;
 	teifsmn.strEvent = strTeiEvent;
 	teifsmn.strState = strTeiState;
-	mISDN_FsmNew(&teifsmn, TeiFnListNet, ARRAY_SIZE(TeiFnListNet));
+	res = mISDN_FsmNew(&teifsmn, TeiFnListNet, ARRAY_SIZE(TeiFnListNet));
+	if (res)
+		goto error_smn;
 	deactfsm.state_count =  DEACT_STATE_COUNT;
 	deactfsm.event_count = DEACT_EVENT_COUNT;
 	deactfsm.strEvent = strDeactEvent;
 	deactfsm.strState = strDeactState;
-	mISDN_FsmNew(&deactfsm, DeactFnList, ARRAY_SIZE(DeactFnList));
+	res = mISDN_FsmNew(&deactfsm, DeactFnList, ARRAY_SIZE(DeactFnList));
+	if (res)
+		goto error_deact;
 	return 0;
+
+error_deact:
+	mISDN_FsmFree(&teifsmn);
+error_smn:
+	mISDN_FsmFree(&teifsmu);
+error:
+	return res;
 }
 
 void TEIFree(void)
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 9bee6c1c70cc..fc63992ab0e0 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1569,7 +1569,8 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
 	new_slave->delay = 0;
 	new_slave->link_failure_count = 0;
 
-	if (bond_update_speed_duplex(new_slave))
+	if (bond_update_speed_duplex(new_slave) &&
+	    bond_needs_speed_duplex(bond))
 		new_slave->link = BOND_LINK_DOWN;
 
 	new_slave->last_rx = jiffies -
@@ -2140,11 +2141,13 @@ static void bond_miimon_commit(struct bonding *bond)
 			continue;
 
 		case BOND_LINK_UP:
-			if (bond_update_speed_duplex(slave)) {
+			if (bond_update_speed_duplex(slave) &&
+			    bond_needs_speed_duplex(bond)) {
 				slave->link = BOND_LINK_DOWN;
-				netdev_warn(bond->dev,
-					    "failed to get link speed/duplex for %s\n",
-					    slave->dev->name);
+				if (net_ratelimit())
+					netdev_warn(bond->dev,
+						    "failed to get link speed/duplex for %s\n",
+						    slave->dev->name);
 				continue;
 			}
 			bond_set_slave_link_state(slave, BOND_LINK_UP,
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
index ef4be781fd05..09ea62ee96d3 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
@@ -529,6 +529,7 @@ enum {                                 /* adapter flags */
 	USING_SOFT_PARAMS  = (1 << 6),
 	MASTER_PF          = (1 << 7),
 	FW_OFLD_CONN       = (1 << 9),
+	ROOT_NO_RELAXED_ORDERING = (1 << 10),
 };
 
 enum {
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index e403fa18f1b1..33bb8678833a 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -4654,11 +4654,6 @@ static void print_port_info(const struct net_device *dev)
 		    dev->name, adap->params.vpd.id, adap->name, buf);
 }
 
-static void enable_pcie_relaxed_ordering(struct pci_dev *dev)
-{
-	pcie_capability_set_word(dev, PCI_EXP_DEVCTL, PCI_EXP_DEVCTL_RELAX_EN);
-}
-
 /*
  * Free the following resources:
  * - memory used for tables
@@ -4908,7 +4903,6 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	}
 
 	pci_enable_pcie_error_reporting(pdev);
-	enable_pcie_relaxed_ordering(pdev);
 	pci_set_master(pdev);
 	pci_save_state(pdev);
 
@@ -4947,6 +4941,23 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	adapter->msg_enable = DFLT_MSG_ENABLE;
 	memset(adapter->chan_map, 0xff, sizeof(adapter->chan_map));
 
+	/* If possible, we use PCIe Relaxed Ordering Attribute to deliver
+	 * Ingress Packet Data to Free List Buffers in order to allow for
+	 * chipset performance optimizations between the Root Complex and
+	 * Memory Controllers.  (Messages to the associated Ingress Queue
+	 * notifying new Packet Placement in the Free Lists Buffers will be
+	 * send without the Relaxed Ordering Attribute thus guaranteeing that
+	 * all preceding PCIe Transaction Layer Packets will be processed
+	 * first.)  But some Root Complexes have various issues with Upstream
+	 * Transaction Layer Packets with the Relaxed Ordering Attribute set.
+	 * The PCIe devices which under the Root Complexes will be cleared the
+	 * Relaxed Ordering bit in the configuration space, So we check our
+	 * PCIe configuration space to see if it's flagged with advice against
+	 * using Relaxed Ordering.
+	 */
+	if (!pcie_relaxed_ordering_enabled(pdev))
+		adapter->flags |= ROOT_NO_RELAXED_ORDERING;
+
 	spin_lock_init(&adapter->stats_lock);
 	spin_lock_init(&adapter->tid_release_lock);
 	spin_lock_init(&adapter->win0_lock);
diff --git a/drivers/net/ethernet/chelsio/cxgb4/sge.c b/drivers/net/ethernet/chelsio/cxgb4/sge.c
index ede12209f20b..4ef68f69b58c 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/sge.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/sge.c
@@ -2719,6 +2719,7 @@ int t4_sge_alloc_rxq(struct adapter *adap, struct sge_rspq *iq, bool fwevtq,
 	struct fw_iq_cmd c;
 	struct sge *s = &adap->sge;
 	struct port_info *pi = netdev_priv(dev);
+	int relaxed = !(adap->flags & ROOT_NO_RELAXED_ORDERING);
 
 	/* Size needs to be multiple of 16, including status entry. */
 	iq->size = roundup(iq->size, 16);
@@ -2772,8 +2773,8 @@ int t4_sge_alloc_rxq(struct adapter *adap, struct sge_rspq *iq, bool fwevtq,
 
 		flsz = fl->size / 8 + s->stat_len / sizeof(struct tx_desc);
 		c.iqns_to_fl0congen |= htonl(FW_IQ_CMD_FL0PACKEN_F |
-					     FW_IQ_CMD_FL0FETCHRO_F |
-					     FW_IQ_CMD_FL0DATARO_F |
+					     FW_IQ_CMD_FL0FETCHRO_V(relaxed) |
+					     FW_IQ_CMD_FL0DATARO_V(relaxed) |
 					     FW_IQ_CMD_FL0PADEN_F);
 		if (cong >= 0)
 			c.iqns_to_fl0congen |=
diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/adapter.h b/drivers/net/ethernet/chelsio/cxgb4vf/adapter.h
index 109bc630408b..08c6ddb84a04 100644
--- a/drivers/net/ethernet/chelsio/cxgb4vf/adapter.h
+++ b/drivers/net/ethernet/chelsio/cxgb4vf/adapter.h
@@ -408,6 +408,7 @@ enum { /* adapter flags */
 	USING_MSI          = (1UL << 1),
 	USING_MSIX         = (1UL << 2),
 	QUEUES_BOUND       = (1UL << 3),
+	ROOT_NO_RELAXED_ORDERING = (1UL << 4),
 };
 
 /*
diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
index ac7a150c54e9..2b85b874fd0d 100644
--- a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
@@ -2888,6 +2888,24 @@ static int cxgb4vf_pci_probe(struct pci_dev *pdev,
 	 */
 	adapter->name = pci_name(pdev);
 	adapter->msg_enable = DFLT_MSG_ENABLE;
+
+	/* If possible, we use PCIe Relaxed Ordering Attribute to deliver
+	 * Ingress Packet Data to Free List Buffers in order to allow for
+	 * chipset performance optimizations between the Root Complex and
+	 * Memory Controllers.  (Messages to the associated Ingress Queue
+	 * notifying new Packet Placement in the Free Lists Buffers will be
+	 * send without the Relaxed Ordering Attribute thus guaranteeing that
+	 * all preceding PCIe Transaction Layer Packets will be processed
+	 * first.)  But some Root Complexes have various issues with Upstream
+	 * Transaction Layer Packets with the Relaxed Ordering Attribute set.
+	 * The PCIe devices which under the Root Complexes will be cleared the
+	 * Relaxed Ordering bit in the configuration space, So we check our
+	 * PCIe configuration space to see if it's flagged with advice against
+	 * using Relaxed Ordering.
+	 */
+	if (!pcie_relaxed_ordering_enabled(pdev))
+		adapter->flags |= ROOT_NO_RELAXED_ORDERING;
+
 	err = adap_init0(adapter);
 	if (err)
 		goto err_unmap_bar;
diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c
index e37dde2ba97f..05498e7f2840 100644
--- a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c
+++ b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c
@@ -2205,6 +2205,7 @@ int t4vf_sge_alloc_rxq(struct adapter *adapter, struct sge_rspq *rspq,
 	struct port_info *pi = netdev_priv(dev);
 	struct fw_iq_cmd cmd, rpl;
 	int ret, iqandst, flsz = 0;
+	int relaxed = !(adapter->flags & ROOT_NO_RELAXED_ORDERING);
 
 	/*
 	 * If we're using MSI interrupts and we're not initializing the
@@ -2300,6 +2301,8 @@ int t4vf_sge_alloc_rxq(struct adapter *adapter, struct sge_rspq *rspq,
 			cpu_to_be32(
 				FW_IQ_CMD_FL0HOSTFCMODE_V(SGE_HOSTFCMODE_NONE) |
 				FW_IQ_CMD_FL0PACKEN_F |
+				FW_IQ_CMD_FL0FETCHRO_V(relaxed) |
+				FW_IQ_CMD_FL0DATARO_V(relaxed) |
 				FW_IQ_CMD_FL0PADEN_F);
 
 		/* In T6, for egress queue type FL there is internal overhead
diff --git a/drivers/net/ethernet/netronome/nfp/flower/cmsg.c b/drivers/net/ethernet/netronome/nfp/flower/cmsg.c
index dd7fa9cf225f..b0837b58c3a1 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/cmsg.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/cmsg.c
@@ -115,14 +115,10 @@ nfp_flower_cmsg_portmod_rx(struct nfp_app *app, struct sk_buff *skb)
 		return;
 	}
 
-	if (link) {
+	if (link)
 		netif_carrier_on(netdev);
-		rtnl_lock();
-		dev_set_mtu(netdev, be16_to_cpu(msg->mtu));
-		rtnl_unlock();
-	} else {
+	else
 		netif_carrier_off(netdev);
-	}
 	rcu_read_unlock();
 }
 
diff --git a/drivers/net/ethernet/sfc/mcdi_port.c b/drivers/net/ethernet/sfc/mcdi_port.c
index c905971c5f3a..990a63d7fcb7 100644
--- a/drivers/net/ethernet/sfc/mcdi_port.c
+++ b/drivers/net/ethernet/sfc/mcdi_port.c
@@ -938,7 +938,6 @@ enum efx_stats_action {
 static int efx_mcdi_mac_stats(struct efx_nic *efx,
 			      enum efx_stats_action action, int clear)
 {
-	struct efx_ef10_nic_data *nic_data = efx->nic_data;
 	MCDI_DECLARE_BUF(inbuf, MC_CMD_MAC_STATS_IN_LEN);
 	int rc;
 	int change = action == EFX_STATS_PULL ? 0 : 1;
@@ -960,7 +959,12 @@ static int efx_mcdi_mac_stats(struct efx_nic *efx,
 			      MAC_STATS_IN_PERIODIC_NOEVENT, 1,
 			      MAC_STATS_IN_PERIOD_MS, period);
 	MCDI_SET_DWORD(inbuf, MAC_STATS_IN_DMA_LEN, dma_len);
-	MCDI_SET_DWORD(inbuf, MAC_STATS_IN_PORT_ID, nic_data->vport_id);
+
+	if (efx_nic_rev(efx) >= EFX_REV_HUNT_A0) {
+		struct efx_ef10_nic_data *nic_data = efx->nic_data;
+
+		MCDI_SET_DWORD(inbuf, MAC_STATS_IN_PORT_ID, nic_data->vport_id);
+	}
 
 	rc = efx_mcdi_rpc_quiet(efx, MC_CMD_MAC_STATS, inbuf, sizeof(inbuf),
 				NULL, 0, NULL);
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
index db157a47000c..72ec711fcba2 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
@@ -204,6 +204,7 @@ int stmmac_mdio_register(struct net_device *ndev)
 	struct stmmac_priv *priv = netdev_priv(ndev);
 	struct stmmac_mdio_bus_data *mdio_bus_data = priv->plat->mdio_bus_data;
 	struct device_node *mdio_node = priv->plat->mdio_node;
+	struct device *dev = ndev->dev.parent;
 	int addr, found;
 
 	if (!mdio_bus_data)
@@ -237,7 +238,7 @@ int stmmac_mdio_register(struct net_device *ndev)
 	else
 		err = mdiobus_register(new_bus);
 	if (err != 0) {
-		netdev_err(ndev, "Cannot register the MDIO bus\n");
+		dev_err(dev, "Cannot register the MDIO bus\n");
 		goto bus_register_fail;
 	}
 
@@ -285,14 +286,12 @@ int stmmac_mdio_register(struct net_device *ndev)
 			irq_str = irq_num;
 			break;
 		}
-		netdev_info(ndev, "PHY ID %08x at %d IRQ %s (%s)%s\n",
-			    phydev->phy_id, addr, irq_str, phydev_name(phydev),
-			    act ? " active" : "");
+		phy_attached_info(phydev);
 		found = 1;
 	}
 
 	if (!found && !mdio_node) {
-		netdev_warn(ndev, "No PHY found\n");
+		dev_warn(dev, "No PHY found\n");
 		mdiobus_unregister(new_bus);
 		mdiobus_free(new_bus);
 		return -ENODEV;
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c
index d21258d277ce..f1b60740e020 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c
@@ -159,8 +159,10 @@ void brcmf_feat_attach(struct brcmf_pub *drvr)
 
 	brcmf_feat_firmware_capabilities(ifp);
 	memset(&gscan_cfg, 0, sizeof(gscan_cfg));
-	brcmf_feat_iovar_data_set(ifp, BRCMF_FEAT_GSCAN, "pfn_gscan_cfg",
-				  &gscan_cfg, sizeof(gscan_cfg));
+	if (drvr->bus_if->chip != BRCM_CC_43430_CHIP_ID)
+		brcmf_feat_iovar_data_set(ifp, BRCMF_FEAT_GSCAN,
+					  "pfn_gscan_cfg",
+					  &gscan_cfg, sizeof(gscan_cfg));
 	brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_PNO, "pfn");
 	if (drvr->bus_if->wowl_supported)
 		brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_WOWL, "wowl");
diff --git a/drivers/net/wireless/intel/iwlwifi/cfg/9000.c b/drivers/net/wireless/intel/iwlwifi/cfg/9000.c
index b4ecd1fe1374..97208ce19f92 100644
--- a/drivers/net/wireless/intel/iwlwifi/cfg/9000.c
+++ b/drivers/net/wireless/intel/iwlwifi/cfg/9000.c
@@ -154,7 +154,7 @@ static const struct iwl_tt_params iwl9000_tt_params = {
 const struct iwl_cfg iwl9160_2ac_cfg = {
 	.name = "Intel(R) Dual Band Wireless AC 9160",
 	.fw_name_pre = IWL9260A_FW_PRE,
-	.fw_name_pre_next_step = IWL9260B_FW_PRE,
+	.fw_name_pre_b_or_c_step = IWL9260B_FW_PRE,
 	IWL_DEVICE_9000,
 	.ht_params = &iwl9000_ht_params,
 	.nvm_ver = IWL9000_NVM_VERSION,
@@ -165,7 +165,7 @@ const struct iwl_cfg iwl9160_2ac_cfg = {
 const struct iwl_cfg iwl9260_2ac_cfg = {
 	.name = "Intel(R) Dual Band Wireless AC 9260",
 	.fw_name_pre = IWL9260A_FW_PRE,
-	.fw_name_pre_next_step = IWL9260B_FW_PRE,
+	.fw_name_pre_b_or_c_step = IWL9260B_FW_PRE,
 	IWL_DEVICE_9000,
 	.ht_params = &iwl9000_ht_params,
 	.nvm_ver = IWL9000_NVM_VERSION,
@@ -176,7 +176,7 @@ const struct iwl_cfg iwl9260_2ac_cfg = {
 const struct iwl_cfg iwl9270_2ac_cfg = {
 	.name = "Intel(R) Dual Band Wireless AC 9270",
 	.fw_name_pre = IWL9260A_FW_PRE,
-	.fw_name_pre_next_step = IWL9260B_FW_PRE,
+	.fw_name_pre_b_or_c_step = IWL9260B_FW_PRE,
 	IWL_DEVICE_9000,
 	.ht_params = &iwl9000_ht_params,
 	.nvm_ver = IWL9000_NVM_VERSION,
@@ -186,8 +186,8 @@ const struct iwl_cfg iwl9270_2ac_cfg = {
 
 const struct iwl_cfg iwl9460_2ac_cfg = {
 	.name = "Intel(R) Dual Band Wireless AC 9460",
-	.fw_name_pre = IWL9000_FW_PRE,
-	.fw_name_pre_rf_next_step = IWL9000RFB_FW_PRE,
+	.fw_name_pre = IWL9260A_FW_PRE,
+	.fw_name_pre_b_or_c_step = IWL9260B_FW_PRE,
 	IWL_DEVICE_9000,
 	.ht_params = &iwl9000_ht_params,
 	.nvm_ver = IWL9000_NVM_VERSION,
@@ -198,8 +198,8 @@ const struct iwl_cfg iwl9460_2ac_cfg = {
 
 const struct iwl_cfg iwl9560_2ac_cfg = {
 	.name = "Intel(R) Dual Band Wireless AC 9560",
-	.fw_name_pre = IWL9000_FW_PRE,
-	.fw_name_pre_rf_next_step = IWL9000RFB_FW_PRE,
+	.fw_name_pre = IWL9260A_FW_PRE,
+	.fw_name_pre_b_or_c_step = IWL9260B_FW_PRE,
 	IWL_DEVICE_9000,
 	.ht_params = &iwl9000_ht_params,
 	.nvm_ver = IWL9000_NVM_VERSION,
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/file.h b/drivers/net/wireless/intel/iwlwifi/fw/file.h
index 0fa8c473f1e2..c73a6438ce8f 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/file.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/file.h
@@ -328,6 +328,7 @@ typedef unsigned int __bitwise iwl_ucode_tlv_capa_t;
  * @IWL_UCODE_TLV_CAPA_TX_POWER_ACK: reduced TX power API has larger
  *	command size (command version 4) that supports toggling ACK TX
  *	power reduction.
+ * @IWL_UCODE_TLV_CAPA_MLME_OFFLOAD: supports MLME offload
  *
  * @NUM_IWL_UCODE_TLV_CAPA: number of bits used
  */
@@ -373,6 +374,7 @@ enum iwl_ucode_tlv_capa {
 	IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG	= (__force iwl_ucode_tlv_capa_t)80,
 	IWL_UCODE_TLV_CAPA_LQM_SUPPORT			= (__force iwl_ucode_tlv_capa_t)81,
 	IWL_UCODE_TLV_CAPA_TX_POWER_ACK			= (__force iwl_ucode_tlv_capa_t)84,
+	IWL_UCODE_TLV_CAPA_MLME_OFFLOAD			= (__force iwl_ucode_tlv_capa_t)96,
 
 	NUM_IWL_UCODE_TLV_CAPA
 #ifdef __CHECKER__
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-config.h b/drivers/net/wireless/intel/iwlwifi/iwl-config.h
index c52623cb7c2a..d19c74827fbb 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-config.h
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-config.h
@@ -276,10 +276,10 @@ struct iwl_pwr_tx_backoff {
  * @fw_name_pre: Firmware filename prefix. The api version and extension
  *	(.ucode) will be added to filename before loading from disk. The
  *	filename is constructed as fw_name_pre<api>.ucode.
- * @fw_name_pre_next_step: same as @fw_name_pre, only for next step
+ * @fw_name_pre_b_or_c_step: same as @fw_name_pre, only for b or c steps
  *	(if supported)
- * @fw_name_pre_rf_next_step: same as @fw_name_pre_next_step, only for rf next
- *	step. Supported only in integrated solutions.
+ * @fw_name_pre_rf_next_step: same as @fw_name_pre_b_or_c_step, only for rf
+ *	next step. Supported only in integrated solutions.
  * @ucode_api_max: Highest version of uCode API supported by driver.
  * @ucode_api_min: Lowest version of uCode API supported by driver.
  * @max_inst_size: The maximal length of the fw inst section
@@ -330,7 +330,7 @@ struct iwl_cfg {
 	/* params specific to an individual device within a device family */
 	const char *name;
 	const char *fw_name_pre;
-	const char *fw_name_pre_next_step;
+	const char *fw_name_pre_b_or_c_step;
 	const char *fw_name_pre_rf_next_step;
 	/* params not likely to change within a device family */
 	const struct iwl_base_params *base_params;
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
index 6fdb5921e17f..4e0f86fe0a6f 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
@@ -216,8 +216,9 @@ static int iwl_request_firmware(struct iwl_drv *drv, bool first)
 	const char *fw_pre_name;
 
 	if (drv->trans->cfg->device_family == IWL_DEVICE_FAMILY_9000 &&
-	    CSR_HW_REV_STEP(drv->trans->hw_rev) == SILICON_B_STEP)
-		fw_pre_name = cfg->fw_name_pre_next_step;
+	    (CSR_HW_REV_STEP(drv->trans->hw_rev) == SILICON_B_STEP ||
+	     CSR_HW_REV_STEP(drv->trans->hw_rev) == SILICON_C_STEP))
+		fw_pre_name = cfg->fw_name_pre_b_or_c_step;
 	else if (drv->trans->cfg->integrated &&
 		 CSR_HW_RFID_STEP(drv->trans->hw_rf_id) == SILICON_B_STEP &&
 		 cfg->fw_name_pre_rf_next_step)
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
index 5c08f4d40f6a..3ee6767392b6 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
@@ -785,7 +785,8 @@ iwl_parse_nvm_mcc_info(struct device *dev, const struct iwl_cfg *cfg,
 		       int num_of_ch, __le32 *channels, u16 fw_mcc)
 {
 	int ch_idx;
-	u16 ch_flags, prev_ch_flags = 0;
+	u16 ch_flags;
+	u32 reg_rule_flags, prev_reg_rule_flags = 0;
 	const u8 *nvm_chan = cfg->ext_nvm ?
 			     iwl_ext_nvm_channels : iwl_nvm_channels;
 	struct ieee80211_regdomain *regd;
@@ -834,8 +835,11 @@ iwl_parse_nvm_mcc_info(struct device *dev, const struct iwl_cfg *cfg,
 			continue;
 		}
 
+		reg_rule_flags = iwl_nvm_get_regdom_bw_flags(nvm_chan, ch_idx,
+							     ch_flags, cfg);
+
 		/* we can't continue the same rule */
-		if (ch_idx == 0 || prev_ch_flags != ch_flags ||
+		if (ch_idx == 0 || prev_reg_rule_flags != reg_rule_flags ||
 		    center_freq - prev_center_freq > 20) {
 			valid_rules++;
 			new_rule = true;
@@ -854,18 +858,17 @@ iwl_parse_nvm_mcc_info(struct device *dev, const struct iwl_cfg *cfg,
 		rule->power_rule.max_eirp =
 			DBM_TO_MBM(IWL_DEFAULT_MAX_TX_POWER);
 
-		rule->flags = iwl_nvm_get_regdom_bw_flags(nvm_chan, ch_idx,
-							  ch_flags, cfg);
+		rule->flags = reg_rule_flags;
 
 		/* rely on auto-calculation to merge BW of contiguous chans */
 		rule->flags |= NL80211_RRF_AUTO_BW;
 		rule->freq_range.max_bandwidth_khz = 0;
 
-		prev_ch_flags = ch_flags;
 		prev_center_freq = center_freq;
+		prev_reg_rule_flags = reg_rule_flags;
 
 		IWL_DEBUG_DEV(dev, IWL_DL_LAR,
-			      "Ch. %d [%sGHz] %s%s%s%s%s%s%s%s%s(0x%02x): Ad-Hoc %ssupported\n",
+			      "Ch. %d [%sGHz] %s%s%s%s%s%s%s%s%s(0x%02x) reg_flags 0x%x: %s\n",
 			      center_freq,
 			      band == NL80211_BAND_5GHZ ? "5.2" : "2.4",
 			      CHECK_AND_PRINT_I(VALID),
@@ -877,10 +880,10 @@ iwl_parse_nvm_mcc_info(struct device *dev, const struct iwl_cfg *cfg,
 			      CHECK_AND_PRINT_I(160MHZ),
 			      CHECK_AND_PRINT_I(INDOOR_ONLY),
 			      CHECK_AND_PRINT_I(GO_CONCURRENT),
-			      ch_flags,
+			      ch_flags, reg_rule_flags,
 			      ((ch_flags & NVM_CHANNEL_ACTIVE) &&
 			       !(ch_flags & NVM_CHANNEL_RADAR))
-					 ? "" : "not ");
+					 ? "Ad-Hoc" : "");
 	}
 
 	regd->n_reg_rules = valid_rules;
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
index 79e7a7a285dc..82863e9273eb 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
@@ -1275,8 +1275,10 @@ static int iwl_mvm_sar_get_wgds_table(struct iwl_mvm *mvm)
 
 			entry = &wifi_pkg->package.elements[idx++];
 			if ((entry->type != ACPI_TYPE_INTEGER) ||
-			    (entry->integer.value > U8_MAX))
-				return -EINVAL;
+			    (entry->integer.value > U8_MAX)) {
+				ret = -EINVAL;
+				goto out_free;
+			}
 
 			mvm->geo_profiles[i].values[j] = entry->integer.value;
 		}
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
index c7b1e58e3384..ce901be5fba8 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
@@ -2597,8 +2597,18 @@ static void iwl_mvm_purge_deferred_tx_frames(struct iwl_mvm *mvm,
 	spin_lock_bh(&mvm_sta->lock);
 	for (i = 0; i <= IWL_MAX_TID_COUNT; i++) {
 		tid_data = &mvm_sta->tid_data[i];
-		while ((skb = __skb_dequeue(&tid_data->deferred_tx_frames)))
+
+		while ((skb = __skb_dequeue(&tid_data->deferred_tx_frames))) {
+			struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+
+			/*
+			 * The first deferred frame should've stopped the MAC
+			 * queues, so we should never get a second deferred
+			 * frame for the RA/TID.
+			 */
+			iwl_mvm_start_mac_queues(mvm, info->hw_queue);
 			ieee80211_free_txskb(mvm->hw, skb);
+		}
 	}
 	spin_unlock_bh(&mvm_sta->lock);
 }
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
index 65beca3a457a..8999a1199d60 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
@@ -1291,7 +1291,7 @@ void iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
 	 * first index into rate scale table.
 	 */
 	if (info->flags & IEEE80211_TX_STAT_AMPDU) {
-		rs_collect_tpc_data(mvm, lq_sta, curr_tbl, lq_rate.index,
+		rs_collect_tpc_data(mvm, lq_sta, curr_tbl, tx_resp_rate.index,
 				    info->status.ampdu_len,
 				    info->status.ampdu_ack_len,
 				    reduced_txp);
@@ -1312,7 +1312,7 @@ void iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
 		if (info->status.ampdu_ack_len == 0)
 			info->status.ampdu_len = 1;
 
-		rs_collect_tlc_data(mvm, lq_sta, curr_tbl, lq_rate.index,
+		rs_collect_tlc_data(mvm, lq_sta, curr_tbl, tx_resp_rate.index,
 				    info->status.ampdu_len,
 				    info->status.ampdu_ack_len);
 
@@ -1348,11 +1348,11 @@ void iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
 				continue;
 
 			rs_collect_tpc_data(mvm, lq_sta, tmp_tbl,
-					    lq_rate.index, 1,
+					    tx_resp_rate.index, 1,
 					    i < retries ? 0 : legacy_success,
 					    reduced_txp);
 			rs_collect_tlc_data(mvm, lq_sta, tmp_tbl,
-					    lq_rate.index, 1,
+					    tx_resp_rate.index, 1,
 					    i < retries ? 0 : legacy_success);
 		}
 
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
index f3e608196369..71c8b800ffa9 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
@@ -636,9 +636,9 @@ static bool iwl_mvm_reorder(struct iwl_mvm *mvm,
 
 	baid_data = rcu_dereference(mvm->baid_map[baid]);
 	if (!baid_data) {
-		WARN(!(reorder & IWL_RX_MPDU_REORDER_BA_OLD_SN),
-		     "Received baid %d, but no data exists for this BAID\n",
-		     baid);
+		IWL_DEBUG_RX(mvm,
+			     "Got valid BAID but no baid allocated, bypass the re-ordering buffer. Baid %d reorder 0x%x\n",
+			      baid, reorder);
 		return false;
 	}
 
@@ -759,7 +759,9 @@ static void iwl_mvm_agg_rx_received(struct iwl_mvm *mvm,
 
 	data = rcu_dereference(mvm->baid_map[baid]);
 	if (!data) {
-		WARN_ON(!(reorder_data & IWL_RX_MPDU_REORDER_BA_OLD_SN));
+		IWL_DEBUG_RX(mvm,
+			     "Got valid BAID but no baid allocated, bypass the re-ordering buffer. Baid %d reorder 0x%x\n",
+			      baid, reorder_data);
 		goto out;
 	}
 
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
index ab66b4394dfc..027ee5e72172 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
@@ -121,7 +121,8 @@ int iwl_mvm_sta_send_to_fw(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
 		.mac_id_n_color = cpu_to_le32(mvm_sta->mac_id_n_color),
 		.add_modify = update ? 1 : 0,
 		.station_flags_msk = cpu_to_le32(STA_FLG_FAT_EN_MSK |
-						 STA_FLG_MIMO_EN_MSK),
+						 STA_FLG_MIMO_EN_MSK |
+						 STA_FLG_RTS_MIMO_PROT),
 		.tid_disable_tx = cpu_to_le16(mvm_sta->tid_disable_agg),
 	};
 	int ret;
@@ -290,8 +291,8 @@ static void iwl_mvm_rx_agg_session_expired(unsigned long data)
 		goto unlock;
 
 	mvm_sta = iwl_mvm_sta_from_mac80211(sta);
-	ieee80211_stop_rx_ba_session_offl(mvm_sta->vif,
-					  sta->addr, ba_data->tid);
+	ieee80211_rx_ba_timer_expired(mvm_sta->vif,
+				      sta->addr, ba_data->tid);
 unlock:
 	rcu_read_unlock();
 }
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
index 60360ed73f26..5fcc9dd6be56 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
@@ -185,8 +185,14 @@ static u16 iwl_mvm_tx_csum(struct iwl_mvm *mvm, struct sk_buff *skb,
 	else
 		udp_hdr(skb)->check = 0;
 
-	/* mac header len should include IV, size is in words */
-	if (info->control.hw_key)
+	/*
+	 * mac header len should include IV, size is in words unless
+	 * the IV is added by the firmware like in WEP.
+	 * In new Tx API, the IV is always added by the firmware.
+	 */
+	if (!iwl_mvm_has_new_tx_api(mvm) && info->control.hw_key &&
+	    info->control.hw_key->cipher != WLAN_CIPHER_SUITE_WEP40 &&
+	    info->control.hw_key->cipher != WLAN_CIPHER_SUITE_WEP104)
 		mh_len += info->control.hw_key->iv_len;
 	mh_len /= 2;
 	offload_assist |= mh_len << TX_CMD_OFFLD_MH_SIZE;
@@ -1815,6 +1821,8 @@ void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb)
 	struct iwl_mvm_tid_data *tid_data;
 	struct iwl_mvm_sta *mvmsta;
 
+	ba_info.flags = IEEE80211_TX_STAT_AMPDU;
+
 	if (iwl_mvm_has_new_tx_api(mvm)) {
 		struct iwl_mvm_compressed_ba_notif *ba_res =
 			(void *)pkt->data;
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
index f16c1bb9bf94..84f4ba01e14f 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
@@ -510,9 +510,17 @@ static const struct pci_device_id iwl_hw_card_ids[] = {
 
 /* 9000 Series */
 	{IWL_PCI_DEVICE(0x271B, 0x0010, iwl9160_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x271B, 0x0014, iwl9160_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x271B, 0x0210, iwl9160_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x2526, 0x0000, iwl9260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x2526, 0x0010, iwl9260_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x2526, 0x0014, iwl9260_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x2526, 0xA014, iwl9260_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x2526, 0x4010, iwl9260_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x2526, 0x0210, iwl9260_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x2526, 0x0214, iwl9260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x2526, 0x1410, iwl9270_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x2526, 0x1610, iwl9270_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x9DF0, 0x0A10, iwl9460_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x9DF0, 0x0010, iwl9460_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x9DF0, 0x0210, iwl9460_2ac_cfg)},
@@ -527,10 +535,22 @@ static const struct pci_device_id iwl_hw_card_ids[] = {
 	{IWL_PCI_DEVICE(0x9DF0, 0x2A10, iwl9460_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x30DC, 0x0060, iwl9460_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x2526, 0x0060, iwl9460_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x2526, 0x0260, iwl9460_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x2526, 0x0064, iwl9460_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x2526, 0x00A4, iwl9460_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x2526, 0x40A4, iwl9460_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x2526, 0x02A4, iwl9460_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x2526, 0x00A0, iwl9460_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x2526, 0x02A0, iwl9460_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x9DF0, 0x0060, iwl9460_2ac_cfg)},
 	{IWL_PCI_DEVICE(0xA370, 0x0060, iwl9460_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x31DC, 0x0060, iwl9460_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x2526, 0x0030, iwl9560_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x2526, 0x4030, iwl9560_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x2526, 0x0230, iwl9560_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x2526, 0x0234, iwl9560_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x2526, 0x0238, iwl9560_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x2526, 0x023C, iwl9560_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x9DF0, 0x0030, iwl9560_2ac_cfg)},
 	{IWL_PCI_DEVICE(0xA370, 0x0030, iwl9560_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x31DC, 0x0030, iwl9560_2ac_cfg)},
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index b4b7eab29400..da5570cf5c6a 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -522,10 +522,11 @@ struct pci_dev *pci_find_pcie_root_port(struct pci_dev *dev)
 		bridge = pci_upstream_bridge(bridge);
 	}
 
-	if (pci_pcie_type(highest_pcie_bridge) != PCI_EXP_TYPE_ROOT_PORT)
-		return NULL;
+	if (highest_pcie_bridge &&
+	    pci_pcie_type(highest_pcie_bridge) == PCI_EXP_TYPE_ROOT_PORT)
+		return highest_pcie_bridge;
 
-	return highest_pcie_bridge;
+	return NULL;
 }
 EXPORT_SYMBOL(pci_find_pcie_root_port);
 
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index c31310db0404..e6a917b4acd3 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -1762,6 +1762,48 @@ static void pci_configure_extended_tags(struct pci_dev *dev)
 					 PCI_EXP_DEVCTL_EXT_TAG);
 }
 
+/**
+ * pcie_relaxed_ordering_enabled - Probe for PCIe relaxed ordering enable
+ * @dev: PCI device to query
+ *
+ * Returns true if the device has enabled relaxed ordering attribute.
+ */
+bool pcie_relaxed_ordering_enabled(struct pci_dev *dev)
+{
+	u16 v;
+
+	pcie_capability_read_word(dev, PCI_EXP_DEVCTL, &v);
+
+	return !!(v & PCI_EXP_DEVCTL_RELAX_EN);
+}
+EXPORT_SYMBOL(pcie_relaxed_ordering_enabled);
+
+static void pci_configure_relaxed_ordering(struct pci_dev *dev)
+{
+	struct pci_dev *root;
+
+	/* PCI_EXP_DEVICE_RELAX_EN is RsvdP in VFs */
+	if (dev->is_virtfn)
+		return;
+
+	if (!pcie_relaxed_ordering_enabled(dev))
+		return;
+
+	/*
+	 * For now, we only deal with Relaxed Ordering issues with Root
+	 * Ports. Peer-to-Peer DMA is another can of worms.
+	 */
+	root = pci_find_pcie_root_port(dev);
+	if (!root)
+		return;
+
+	if (root->dev_flags & PCI_DEV_FLAGS_NO_RELAXED_ORDERING) {
+		pcie_capability_clear_word(dev, PCI_EXP_DEVCTL,
+					   PCI_EXP_DEVCTL_RELAX_EN);
+		dev_info(&dev->dev, "Disable Relaxed Ordering because the Root Port didn't support it\n");
+	}
+}
+
 static void pci_configure_device(struct pci_dev *dev)
 {
 	struct hotplug_params hpp;
@@ -1769,6 +1811,7 @@ static void pci_configure_device(struct pci_dev *dev)
 
 	pci_configure_mps(dev);
 	pci_configure_extended_tags(dev);
+	pci_configure_relaxed_ordering(dev);
 
 	memset(&hpp, 0, sizeof(hpp));
 	ret = pci_get_hp_params(dev, &hpp);
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 6967c6b4cf6b..140760403f36 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -4016,6 +4016,95 @@ DECLARE_PCI_FIXUP_CLASS_EARLY(0x1797, 0x6869, PCI_CLASS_NOT_DEFINED, 8,
 			      quirk_tw686x_class);
 
 /*
+ * Some devices have problems with Transaction Layer Packets with the Relaxed
+ * Ordering Attribute set.  Such devices should mark themselves and other
+ * Device Drivers should check before sending TLPs with RO set.
+ */
+static void quirk_relaxedordering_disable(struct pci_dev *dev)
+{
+	dev->dev_flags |= PCI_DEV_FLAGS_NO_RELAXED_ORDERING;
+	dev_info(&dev->dev, "Disable Relaxed Ordering Attributes to avoid PCIe Completion erratum\n");
+}
+
+/*
+ * Intel Xeon processors based on Broadwell/Haswell microarchitecture Root
+ * Complex has a Flow Control Credit issue which can cause performance
+ * problems with Upstream Transaction Layer Packets with Relaxed Ordering set.
+ */
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x6f01, PCI_CLASS_NOT_DEFINED, 8,
+			      quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x6f02, PCI_CLASS_NOT_DEFINED, 8,
+			      quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x6f03, PCI_CLASS_NOT_DEFINED, 8,
+			      quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x6f04, PCI_CLASS_NOT_DEFINED, 8,
+			      quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x6f05, PCI_CLASS_NOT_DEFINED, 8,
+			      quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x6f06, PCI_CLASS_NOT_DEFINED, 8,
+			      quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x6f07, PCI_CLASS_NOT_DEFINED, 8,
+			      quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x6f08, PCI_CLASS_NOT_DEFINED, 8,
+			      quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x6f09, PCI_CLASS_NOT_DEFINED, 8,
+			      quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x6f0a, PCI_CLASS_NOT_DEFINED, 8,
+			      quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x6f0b, PCI_CLASS_NOT_DEFINED, 8,
+			      quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x6f0c, PCI_CLASS_NOT_DEFINED, 8,
+			      quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x6f0d, PCI_CLASS_NOT_DEFINED, 8,
+			      quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x6f0e, PCI_CLASS_NOT_DEFINED, 8,
+			      quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x2f01, PCI_CLASS_NOT_DEFINED, 8,
+			      quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x2f02, PCI_CLASS_NOT_DEFINED, 8,
+			      quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x2f03, PCI_CLASS_NOT_DEFINED, 8,
+			      quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x2f04, PCI_CLASS_NOT_DEFINED, 8,
+			      quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x2f05, PCI_CLASS_NOT_DEFINED, 8,
+			      quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x2f06, PCI_CLASS_NOT_DEFINED, 8,
+			      quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x2f07, PCI_CLASS_NOT_DEFINED, 8,
+			      quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x2f08, PCI_CLASS_NOT_DEFINED, 8,
+			      quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x2f09, PCI_CLASS_NOT_DEFINED, 8,
+			      quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x2f0a, PCI_CLASS_NOT_DEFINED, 8,
+			      quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x2f0b, PCI_CLASS_NOT_DEFINED, 8,
+			      quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x2f0c, PCI_CLASS_NOT_DEFINED, 8,
+			      quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x2f0d, PCI_CLASS_NOT_DEFINED, 8,
+			      quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x2f0e, PCI_CLASS_NOT_DEFINED, 8,
+			      quirk_relaxedordering_disable);
+
+/*
+ * The AMD ARM A1100 (AKA "SEATTLE") SoC has a bug in its PCIe Root Complex
+ * where Upstream Transaction Layer Packets with the Relaxed Ordering
+ * Attribute clear are allowed to bypass earlier TLPs with Relaxed Ordering
+ * set.  This is a violation of the PCIe 3.0 Transaction Ordering Rules
+ * outlined in Section 2.4.1 (PCI Express(r) Base Specification Revision 3.0
+ * November 10, 2010).  As a result, on this platform we can't use Relaxed
+ * Ordering for Upstream TLPs.
+ */
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_AMD, 0x1a00, PCI_CLASS_NOT_DEFINED, 8,
+			      quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_AMD, 0x1a01, PCI_CLASS_NOT_DEFINED, 8,
+			      quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_AMD, 0x1a02, PCI_CLASS_NOT_DEFINED, 8,
+			      quirk_relaxedordering_disable);
+
+/*
  * Per PCIe r3.0, sec 2.2.9, "Completion headers must supply the same
  * values for the Attribute as were supplied in the header of the
  * corresponding Request, except as explicitly allowed when IDO is used."