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

Pull networking updates from David Miller:

 1) Unified UDP encapsulation offload methods for drivers, from
    Alexander Duyck.

 2) Make DSA binding more sane, from Andrew Lunn.

 3) Support QCA9888 chips in ath10k, from Anilkumar Kolli.

 4) Several workqueue usage cleanups, from Bhaktipriya Shridhar.

 5) Add XDP (eXpress Data Path), essentially running BPF programs on RX
    packets as soon as the device sees them, with the option to mirror
    the packet on TX via the same interface.  From Brenden Blanco and
    others.

 6) Allow qdisc/class stats dumps to run lockless, from Eric Dumazet.

 7) Add VLAN support to b53 and bcm_sf2, from Florian Fainelli.

 8) Simplify netlink conntrack entry layout, from Florian Westphal.

 9) Add ipv4 forwarding support to mlxsw spectrum driver, from Ido
    Schimmel, Yotam Gigi, and Jiri Pirko.

10) Add SKB array infrastructure and convert tun and macvtap over to it.
    From Michael S Tsirkin and Jason Wang.

11) Support qdisc packet injection in pktgen, from John Fastabend.

12) Add neighbour monitoring framework to TIPC, from Jon Paul Maloy.

13) Add NV congestion control support to TCP, from Lawrence Brakmo.

14) Add GSO support to SCTP, from Marcelo Ricardo Leitner.

15) Allow GRO and RPS to function on macsec devices, from Paolo Abeni.

16) Support MPLS over IPV4, from Simon Horman.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1622 commits)
  xgene: Fix build warning with ACPI disabled.
  be2net: perform temperature query in adapter regardless of its interface state
  l2tp: Correctly return -EBADF from pppol2tp_getname.
  net/mlx5_core/health: Remove deprecated create_singlethread_workqueue
  net: ipmr/ip6mr: update lastuse on entry change
  macsec: ensure rx_sa is set when validation is disabled
  tipc: dump monitor attributes
  tipc: add a function to get the bearer name
  tipc: get monitor threshold for the cluster
  tipc: make cluster size threshold for monitoring configurable
  tipc: introduce constants for tipc address validation
  net: neigh: disallow transition to NUD_STALE if lladdr is unchanged in neigh_update()
  MAINTAINERS: xgene: Add driver and documentation path
  Documentation: dtb: xgene: Add MDIO node
  dtb: xgene: Add MDIO node
  drivers: net: xgene: ethtool: Use phy_ethtool_gset and sset
  drivers: net: xgene: Use exported functions
  drivers: net: xgene: Enable MDIO driver
  drivers: net: xgene: Add backward compatibility
  drivers: net: phy: xgene: Add MDIO driver
  ...

1 files changed, 70 insertions, 16 deletions

diff --git a/drivers/net/wireless/marvell/mwifiex/pcie.c b/drivers/net/wireless/marvell/mwifiex/pcie.c
index 0c7937eb6b77..453ab6ad4784 100644
--- a/drivers/net/wireless/marvell/mwifiex/pcie.c
+++ b/drivers/net/wireless/marvell/mwifiex/pcie.c
@@ -202,7 +202,6 @@ static int mwifiex_pcie_probe(struct pci_dev *pdev,
 	if (mwifiex_add_card(card, &add_remove_card_sem, &pcie_ops,
 			     MWIFIEX_PCIE)) {
 		pr_err("%s failed\n", __func__);
-		kfree(card);
 		return -1;
 	}
 
@@ -440,6 +439,11 @@ static int mwifiex_pcie_disable_host_int(struct mwifiex_adapter *adapter)
 	return 0;
 }
 
+static void mwifiex_pcie_disable_host_int_noerr(struct mwifiex_adapter *adapter)
+{
+	WARN_ON(mwifiex_pcie_disable_host_int(adapter));
+}
+
 /*
  * This function enables the host interrupt.
  *
@@ -507,7 +511,7 @@ static int mwifiex_init_rxq_ring(struct mwifiex_adapter *adapter)
 	for (i = 0; i < MWIFIEX_MAX_TXRX_BD; i++) {
 		/* Allocate skb here so that firmware can DMA data from it */
 		skb = mwifiex_alloc_dma_align_buf(MWIFIEX_RX_DATA_BUF_SIZE,
-						  GFP_KERNEL | GFP_DMA);
+						  GFP_KERNEL);
 		if (!skb) {
 			mwifiex_dbg(adapter, ERROR,
 				    "Unable to allocate skb for RX ring.\n");
@@ -1319,7 +1323,7 @@ static int mwifiex_pcie_process_recv_data(struct mwifiex_adapter *adapter)
 		}
 
 		skb_tmp = mwifiex_alloc_dma_align_buf(MWIFIEX_RX_DATA_BUF_SIZE,
-						      GFP_KERNEL | GFP_DMA);
+						      GFP_KERNEL);
 		if (!skb_tmp) {
 			mwifiex_dbg(adapter, ERROR,
 				    "Unable to allocate skb.\n");
@@ -1612,6 +1616,7 @@ static int mwifiex_pcie_process_cmd_complete(struct mwifiex_adapter *adapter)
 
 	pkt_len = *((__le16 *)skb->data);
 	rx_len = le16_to_cpu(pkt_len);
+	skb_put(skb, MWIFIEX_UPLD_SIZE - skb->len);
 	skb_trim(skb, rx_len);
 	skb_pull(skb, INTF_HEADER_LEN);
 
@@ -2086,6 +2091,13 @@ static void mwifiex_interrupt_status(struct mwifiex_adapter *adapter,
 	unsigned long flags;
 	struct pcie_service_card *card = adapter->card;
 
+	if (card->msi_enable) {
+		spin_lock_irqsave(&adapter->int_lock, flags);
+		adapter->int_status = 1;
+		spin_unlock_irqrestore(&adapter->int_lock, flags);
+		return;
+	}
+
 	if (!mwifiex_pcie_ok_to_access_hw(adapter))
 		return;
 
@@ -2187,15 +2199,44 @@ exit:
 static int mwifiex_process_pcie_int(struct mwifiex_adapter *adapter)
 {
 	int ret;
-	u32 pcie_ireg;
+	u32 pcie_ireg = 0;
 	unsigned long flags;
+	struct pcie_service_card *card = adapter->card;
 
 	spin_lock_irqsave(&adapter->int_lock, flags);
-	/* Clear out unused interrupts */
-	pcie_ireg = adapter->int_status;
+	if (!card->msi_enable) {
+		/* Clear out unused interrupts */
+		pcie_ireg = adapter->int_status;
+	}
 	adapter->int_status = 0;
 	spin_unlock_irqrestore(&adapter->int_lock, flags);
 
+	if (card->msi_enable) {
+		if (mwifiex_pcie_ok_to_access_hw(adapter)) {
+			if (mwifiex_read_reg(adapter, PCIE_HOST_INT_STATUS,
+					     &pcie_ireg)) {
+				mwifiex_dbg(adapter, ERROR,
+					    "Read register failed\n");
+				return -1;
+			}
+
+			if ((pcie_ireg != 0xFFFFFFFF) && (pcie_ireg)) {
+				if (mwifiex_write_reg(adapter,
+						      PCIE_HOST_INT_STATUS,
+						      ~pcie_ireg)) {
+					mwifiex_dbg(adapter, ERROR,
+						    "Write register failed\n");
+					return -1;
+				}
+				if (!adapter->pps_uapsd_mode &&
+				    adapter->ps_state == PS_STATE_SLEEP) {
+					adapter->ps_state = PS_STATE_AWAKE;
+					adapter->pm_wakeup_fw_try = false;
+					del_timer(&adapter->wakeup_timer);
+				}
+			}
+		}
+	}
 	while (pcie_ireg & HOST_INTR_MASK) {
 		if (pcie_ireg & HOST_INTR_DNLD_DONE) {
 			pcie_ireg &= ~HOST_INTR_DNLD_DONE;
@@ -2235,6 +2276,12 @@ static int mwifiex_process_pcie_int(struct mwifiex_adapter *adapter)
 				return ret;
 		}
 
+		if (card->msi_enable) {
+			spin_lock_irqsave(&adapter->int_lock, flags);
+			adapter->int_status = 0;
+			spin_unlock_irqrestore(&adapter->int_lock, flags);
+		}
+
 		if (mwifiex_pcie_ok_to_access_hw(adapter)) {
 			if (mwifiex_read_reg(adapter, PCIE_HOST_INT_STATUS,
 					     &pcie_ireg)) {
@@ -2254,11 +2301,17 @@ static int mwifiex_process_pcie_int(struct mwifiex_adapter *adapter)
 			}
 
 		}
+		if (!card->msi_enable) {
+			spin_lock_irqsave(&adapter->int_lock, flags);
+			pcie_ireg |= adapter->int_status;
+			adapter->int_status = 0;
+			spin_unlock_irqrestore(&adapter->int_lock, flags);
+		}
 	}
 	mwifiex_dbg(adapter, INTR,
 		    "info: cmd_sent=%d data_sent=%d\n",
 		    adapter->cmd_sent, adapter->data_sent);
-	if (adapter->ps_state != PS_STATE_SLEEP)
+	if (!card->msi_enable && adapter->ps_state != PS_STATE_SLEEP)
 		mwifiex_pcie_enable_host_int(adapter);
 
 	return 0;
@@ -2796,7 +2849,6 @@ static int mwifiex_pcie_request_irq(struct mwifiex_adapter *adapter)
 			  "MRVL_PCIE", &card->share_irq_ctx);
 	if (ret) {
 		pr_err("request_irq failed: ret=%d\n", ret);
-		adapter->card = NULL;
 		return -1;
 	}
 
@@ -2804,7 +2856,7 @@ static int mwifiex_pcie_request_irq(struct mwifiex_adapter *adapter)
 }
 
 /*
- * This function get firmare name for downloading by revision id
+ * This function gets the firmware name for downloading by revision id
  *
  * Read revision id register to get revision id
  */
@@ -2841,20 +2893,20 @@ static void mwifiex_pcie_get_fw_name(struct mwifiex_adapter *adapter)
 		version &= 0x7;
 		switch (revision_id) {
 		case PCIE8997_V2:
-			if (version == CHIP_VER_PCIEUSB)
+			if (version == CHIP_VER_PCIEUART)
 				strcpy(adapter->fw_name,
-				       PCIEUSB8997_FW_NAME_V2);
+				       PCIEUART8997_FW_NAME_V2);
 			else
 				strcpy(adapter->fw_name,
-				       PCIEUART8997_FW_NAME_V2);
+				       PCIEUSB8997_FW_NAME_V2);
 			break;
 		case PCIE8997_Z:
-			if (version == CHIP_VER_PCIEUSB)
+			if (version == CHIP_VER_PCIEUART)
 				strcpy(adapter->fw_name,
-				       PCIEUSB8997_FW_NAME_Z);
+				       PCIEUART8997_FW_NAME_Z);
 			else
 				strcpy(adapter->fw_name,
-				       PCIEUART8997_FW_NAME_Z);
+				       PCIEUSB8997_FW_NAME_Z);
 			break;
 		default:
 			strcpy(adapter->fw_name, PCIE8997_DEFAULT_FW_NAME);
@@ -2901,10 +2953,11 @@ static void mwifiex_unregister_dev(struct mwifiex_adapter *adapter)
 {
 	struct pcie_service_card *card = adapter->card;
 	const struct mwifiex_pcie_card_reg *reg;
-	struct pci_dev *pdev = card->dev;
+	struct pci_dev *pdev;
 	int i;
 
 	if (card) {
+		pdev = card->dev;
 		if (card->msix_enable) {
 			for (i = 0; i < MWIFIEX_NUM_MSIX_VECTORS; i++)
 				synchronize_irq(card->msix_entries[i].vector);
@@ -2945,6 +2998,7 @@ static struct mwifiex_if_ops pcie_ops = {
 	.register_dev =			mwifiex_register_dev,
 	.unregister_dev =		mwifiex_unregister_dev,
 	.enable_int =			mwifiex_pcie_enable_host_int,
+	.disable_int =			mwifiex_pcie_disable_host_int_noerr,
 	.process_int_status =		mwifiex_process_int_status,
 	.host_to_card =			mwifiex_pcie_host_to_card,
 	.wakeup =			mwifiex_pm_wakeup_card,