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

Pull networking updates from David Miller:

 1) Support 6Ghz band in ath11k driver, from Rajkumar Manoharan.

 2) Support UDP segmentation in code TSO code, from Eric Dumazet.

 3) Allow flashing different flash images in cxgb4 driver, from Vishal
    Kulkarni.

 4) Add drop frames counter and flow status to tc flower offloading,
    from Po Liu.

 5) Support n-tuple filters in cxgb4, from Vishal Kulkarni.

 6) Various new indirect call avoidance, from Eric Dumazet and Brian
    Vazquez.

 7) Fix BPF verifier failures on 32-bit pointer arithmetic, from
    Yonghong Song.

 8) Support querying and setting hardware address of a port function via
    devlink, use this in mlx5, from Parav Pandit.

 9) Support hw ipsec offload on bonding slaves, from Jarod Wilson.

10) Switch qca8k driver over to phylink, from Jonathan McDowell.

11) In bpftool, show list of processes holding BPF FD references to
    maps, programs, links, and btf objects. From Andrii Nakryiko.

12) Several conversions over to generic power management, from Vaibhav
    Gupta.

13) Add support for SO_KEEPALIVE et al. to bpf_setsockopt(), from Dmitry
    Yakunin.

14) Various https url conversions, from Alexander A. Klimov.

15) Timestamping and PHC support for mscc PHY driver, from Antoine
    Tenart.

16) Support bpf iterating over tcp and udp sockets, from Yonghong Song.

17) Support 5GBASE-T i40e NICs, from Aleksandr Loktionov.

18) Add kTLS RX HW offload support to mlx5e, from Tariq Toukan.

19) Fix the ->ndo_start_xmit() return type to be netdev_tx_t in several
    drivers. From Luc Van Oostenryck.

20) XDP support for xen-netfront, from Denis Kirjanov.

21) Support receive buffer autotuning in MPTCP, from Florian Westphal.

22) Support EF100 chip in sfc driver, from Edward Cree.

23) Add XDP support to mvpp2 driver, from Matteo Croce.

24) Support MPTCP in sock_diag, from Paolo Abeni.

25) Commonize UDP tunnel offloading code by creating udp_tunnel_nic
    infrastructure, from Jakub Kicinski.

26) Several pci_ --> dma_ API conversions, from Christophe JAILLET.

27) Add FLOW_ACTION_POLICE support to mlxsw, from Ido Schimmel.

28) Add SK_LOOKUP bpf program type, from Jakub Sitnicki.

29) Refactor a lot of networking socket option handling code in order to
    avoid set_fs() calls, from Christoph Hellwig.

30) Add rfc4884 support to icmp code, from Willem de Bruijn.

31) Support TBF offload in dpaa2-eth driver, from Ioana Ciornei.

32) Support XDP_REDIRECT in qede driver, from Alexander Lobakin.

33) Support PCI relaxed ordering in mlx5 driver, from Aya Levin.

34) Support TCP syncookies in MPTCP, from Flowian Westphal.

35) Fix several tricky cases of PMTU handling wrt. briding, from Stefano
    Brivio.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2056 commits)
  net: thunderx: initialize VF's mailbox mutex before first usage
  usb: hso: remove bogus check for EINPROGRESS
  usb: hso: no complaint about kmalloc failure
  hso: fix bailout in error case of probe
  ip_tunnel_core: Fix build for archs without _HAVE_ARCH_IPV6_CSUM
  selftests/net: relax cpu affinity requirement in msg_zerocopy test
  mptcp: be careful on subflow creation
  selftests: rtnetlink: make kci_test_encap() return sub-test result
  selftests: rtnetlink: correct the final return value for the test
  net: dsa: sja1105: use detected device id instead of DT one on mismatch
  tipc: set ub->ifindex for local ipv6 address
  ipv6: add ipv6_dev_find()
  net: openvswitch: silence suspicious RCU usage warning
  Revert "vxlan: fix tos value before xmit"
  ptp: only allow phase values lower than 1 period
  farsync: switch from 'pci_' to 'dma_' API
  wan: wanxl: switch from 'pci_' to 'dma_' API
  hv_netvsc: do not use VF device if link is down
  dpaa2-eth: Fix passing zero to 'PTR_ERR' warning
  net: macb: Properly handle phylink on at91sam9x
  ...

1 files changed, 70 insertions, 59 deletions

diff --git a/drivers/net/ethernet/sun/sungem.c b/drivers/net/ethernet/sun/sungem.c
index 2d392a7b179a..eeb8518c8a84 100644
--- a/drivers/net/ethernet/sun/sungem.c
+++ b/drivers/net/ethernet/sun/sungem.c
@@ -670,7 +670,8 @@ static __inline__ void gem_tx(struct net_device *dev, struct gem *gp, u32 gem_st
 			dma_addr = le64_to_cpu(txd->buffer);
 			dma_len = le64_to_cpu(txd->control_word) & TXDCTRL_BUFSZ;
 
-			pci_unmap_page(gp->pdev, dma_addr, dma_len, PCI_DMA_TODEVICE);
+			dma_unmap_page(&gp->pdev->dev, dma_addr, dma_len,
+				       DMA_TO_DEVICE);
 			entry = NEXT_TX(entry);
 		}
 
@@ -809,16 +810,15 @@ static int gem_rx(struct gem *gp, int work_to_do)
 				drops++;
 				goto drop_it;
 			}
-			pci_unmap_page(gp->pdev, dma_addr,
-				       RX_BUF_ALLOC_SIZE(gp),
-				       PCI_DMA_FROMDEVICE);
+			dma_unmap_page(&gp->pdev->dev, dma_addr,
+				       RX_BUF_ALLOC_SIZE(gp), DMA_FROM_DEVICE);
 			gp->rx_skbs[entry] = new_skb;
 			skb_put(new_skb, (gp->rx_buf_sz + RX_OFFSET));
-			rxd->buffer = cpu_to_le64(pci_map_page(gp->pdev,
+			rxd->buffer = cpu_to_le64(dma_map_page(&gp->pdev->dev,
 							       virt_to_page(new_skb->data),
 							       offset_in_page(new_skb->data),
 							       RX_BUF_ALLOC_SIZE(gp),
-							       PCI_DMA_FROMDEVICE));
+							       DMA_FROM_DEVICE));
 			skb_reserve(new_skb, RX_OFFSET);
 
 			/* Trim the original skb for the netif. */
@@ -833,9 +833,11 @@ static int gem_rx(struct gem *gp, int work_to_do)
 
 			skb_reserve(copy_skb, 2);
 			skb_put(copy_skb, len);
-			pci_dma_sync_single_for_cpu(gp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
+			dma_sync_single_for_cpu(&gp->pdev->dev, dma_addr, len,
+						DMA_FROM_DEVICE);
 			skb_copy_from_linear_data(skb, copy_skb->data, len);
-			pci_dma_sync_single_for_device(gp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
+			dma_sync_single_for_device(&gp->pdev->dev, dma_addr,
+						   len, DMA_FROM_DEVICE);
 
 			/* We'll reuse the original ring buffer. */
 			skb = copy_skb;
@@ -1020,10 +1022,10 @@ static netdev_tx_t gem_start_xmit(struct sk_buff *skb,
 		u32 len;
 
 		len = skb->len;
-		mapping = pci_map_page(gp->pdev,
+		mapping = dma_map_page(&gp->pdev->dev,
 				       virt_to_page(skb->data),
 				       offset_in_page(skb->data),
-				       len, PCI_DMA_TODEVICE);
+				       len, DMA_TO_DEVICE);
 		ctrl |= TXDCTRL_SOF | TXDCTRL_EOF | len;
 		if (gem_intme(entry))
 			ctrl |= TXDCTRL_INTME;
@@ -1046,9 +1048,10 @@ static netdev_tx_t gem_start_xmit(struct sk_buff *skb,
 		 * Otherwise we could race with the device.
 		 */
 		first_len = skb_headlen(skb);
-		first_mapping = pci_map_page(gp->pdev, virt_to_page(skb->data),
+		first_mapping = dma_map_page(&gp->pdev->dev,
+					     virt_to_page(skb->data),
 					     offset_in_page(skb->data),
-					     first_len, PCI_DMA_TODEVICE);
+					     first_len, DMA_TO_DEVICE);
 		entry = NEXT_TX(entry);
 
 		for (frag = 0; frag < skb_shinfo(skb)->nr_frags; frag++) {
@@ -1574,9 +1577,9 @@ static void gem_clean_rings(struct gem *gp)
 		if (gp->rx_skbs[i] != NULL) {
 			skb = gp->rx_skbs[i];
 			dma_addr = le64_to_cpu(rxd->buffer);
-			pci_unmap_page(gp->pdev, dma_addr,
+			dma_unmap_page(&gp->pdev->dev, dma_addr,
 				       RX_BUF_ALLOC_SIZE(gp),
-				       PCI_DMA_FROMDEVICE);
+				       DMA_FROM_DEVICE);
 			dev_kfree_skb_any(skb);
 			gp->rx_skbs[i] = NULL;
 		}
@@ -1598,9 +1601,9 @@ static void gem_clean_rings(struct gem *gp)
 
 				txd = &gb->txd[ent];
 				dma_addr = le64_to_cpu(txd->buffer);
-				pci_unmap_page(gp->pdev, dma_addr,
+				dma_unmap_page(&gp->pdev->dev, dma_addr,
 					       le64_to_cpu(txd->control_word) &
-					       TXDCTRL_BUFSZ, PCI_DMA_TODEVICE);
+					       TXDCTRL_BUFSZ, DMA_TO_DEVICE);
 
 				if (frag != skb_shinfo(skb)->nr_frags)
 					i++;
@@ -1637,11 +1640,11 @@ static void gem_init_rings(struct gem *gp)
 
 		gp->rx_skbs[i] = skb;
 		skb_put(skb, (gp->rx_buf_sz + RX_OFFSET));
-		dma_addr = pci_map_page(gp->pdev,
+		dma_addr = dma_map_page(&gp->pdev->dev,
 					virt_to_page(skb->data),
 					offset_in_page(skb->data),
 					RX_BUF_ALLOC_SIZE(gp),
-					PCI_DMA_FROMDEVICE);
+					DMA_FROM_DEVICE);
 		rxd->buffer = cpu_to_le64(dma_addr);
 		dma_wmb();
 		rxd->status_word = cpu_to_le64(RXDCTRL_FRESH(gp));
@@ -2139,20 +2142,6 @@ static int gem_do_start(struct net_device *dev)
 	struct gem *gp = netdev_priv(dev);
 	int rc;
 
-	/* Enable the cell */
-	gem_get_cell(gp);
-
-	/* Make sure PCI access and bus master are enabled */
-	rc = pci_enable_device(gp->pdev);
-	if (rc) {
-		netdev_err(dev, "Failed to enable chip on PCI bus !\n");
-
-		/* Put cell and forget it for now, it will be considered as
-		 * still asleep, a new sleep cycle may bring it back
-		 */
-		gem_put_cell(gp);
-		return -ENXIO;
-	}
 	pci_set_master(gp->pdev);
 
 	/* Init & setup chip hardware */
@@ -2230,13 +2219,6 @@ static void gem_do_stop(struct net_device *dev, int wol)
 
 	/* Shut the PHY down eventually and setup WOL */
 	gem_stop_phy(gp, wol);
-
-	/* Make sure bus master is disabled */
-	pci_disable_device(gp->pdev);
-
-	/* Cell not needed neither if no WOL */
-	if (!wol)
-		gem_put_cell(gp);
 }
 
 static void gem_reset_task(struct work_struct *work)
@@ -2288,26 +2270,53 @@ static void gem_reset_task(struct work_struct *work)
 
 static int gem_open(struct net_device *dev)
 {
+	struct gem *gp = netdev_priv(dev);
+	int rc;
+
 	/* We allow open while suspended, we just do nothing,
 	 * the chip will be initialized in resume()
 	 */
-	if (netif_device_present(dev))
+	if (netif_device_present(dev)) {
+		/* Enable the cell */
+		gem_get_cell(gp);
+
+		/* Make sure PCI access and bus master are enabled */
+		rc = pci_enable_device(gp->pdev);
+		if (rc) {
+			netdev_err(dev, "Failed to enable chip on PCI bus !\n");
+
+			/* Put cell and forget it for now, it will be considered
+			 *as still asleep, a new sleep cycle may bring it back
+			 */
+			gem_put_cell(gp);
+			return -ENXIO;
+		}
 		return gem_do_start(dev);
+	}
+
 	return 0;
 }
 
 static int gem_close(struct net_device *dev)
 {
-	if (netif_device_present(dev))
+	struct gem *gp = netdev_priv(dev);
+
+	if (netif_device_present(dev)) {
 		gem_do_stop(dev, 0);
 
+		/* Make sure bus master is disabled */
+		pci_disable_device(gp->pdev);
+
+		/* Cell not needed neither if no WOL */
+		if (!gp->asleep_wol)
+			gem_put_cell(gp);
+	}
 	return 0;
 }
 
-#ifdef CONFIG_PM
-static int gem_suspend(struct pci_dev *pdev, pm_message_t state)
+static int __maybe_unused gem_suspend(struct device *dev_d)
 {
-	struct net_device *dev = pci_get_drvdata(pdev);
+	struct net_device *dev = dev_get_drvdata(dev_d);
 	struct gem *gp = netdev_priv(dev);
 
 	/* Lock the network stack first to avoid racing with open/close,
@@ -2336,15 +2345,19 @@ static int gem_suspend(struct pci_dev *pdev, pm_message_t state)
 	gp->asleep_wol = !!gp->wake_on_lan;
 	gem_do_stop(dev, gp->asleep_wol);
 
+	/* Cell not needed neither if no WOL */
+	if (!gp->asleep_wol)
+		gem_put_cell(gp);
+
 	/* Unlock the network stack */
 	rtnl_unlock();
 
 	return 0;
 }
 
-static int gem_resume(struct pci_dev *pdev)
+static int __maybe_unused gem_resume(struct device *dev_d)
 {
-	struct net_device *dev = pci_get_drvdata(pdev);
+	struct net_device *dev = dev_get_drvdata(dev_d);
 	struct gem *gp = netdev_priv(dev);
 
 	/* See locking comment in gem_suspend */
@@ -2359,6 +2372,9 @@ static int gem_resume(struct pci_dev *pdev)
 		return 0;
 	}
 
+	/* Enable the cell */
+	gem_get_cell(gp);
+
 	/* Restart chip. If that fails there isn't much we can do, we
 	 * leave things stopped.
 	 */
@@ -2375,7 +2391,6 @@ static int gem_resume(struct pci_dev *pdev)
 
 	return 0;
 }
-#endif /* CONFIG_PM */
 
 static struct net_device_stats *gem_get_stats(struct net_device *dev)
 {
@@ -2802,10 +2817,8 @@ static void gem_remove_one(struct pci_dev *pdev)
 		cancel_work_sync(&gp->reset_task);
 
 		/* Free resources */
-		pci_free_consistent(pdev,
-				    sizeof(struct gem_init_block),
-				    gp->init_block,
-				    gp->gblock_dvma);
+		dma_free_coherent(&pdev->dev, sizeof(struct gem_init_block),
+				  gp->init_block, gp->gblock_dvma);
 		iounmap(gp->regs);
 		pci_release_regions(pdev);
 		free_netdev(dev);
@@ -2861,10 +2874,10 @@ static int gem_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	 */
 	if (pdev->vendor == PCI_VENDOR_ID_SUN &&
 	    pdev->device == PCI_DEVICE_ID_SUN_GEM &&
-	    !pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
+	    !dma_set_mask(&pdev->dev, DMA_BIT_MASK(64))) {
 		pci_using_dac = 1;
 	} else {
-		err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
+		err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
 		if (err) {
 			pr_err("No usable DMA configuration, aborting\n");
 			goto err_disable_device;
@@ -2953,8 +2966,8 @@ static int gem_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	 * PAGE_SIZE aligned.
 	 */
 	gp->init_block = (struct gem_init_block *)
-		pci_alloc_consistent(pdev, sizeof(struct gem_init_block),
-				     &gp->gblock_dvma);
+		dma_alloc_coherent(&pdev->dev, sizeof(struct gem_init_block),
+				   &gp->gblock_dvma, GFP_KERNEL);
 	if (!gp->init_block) {
 		pr_err("Cannot allocate init block, aborting\n");
 		err = -ENOMEM;
@@ -3019,16 +3032,14 @@ err_disable_device:
 
 }
 
+static SIMPLE_DEV_PM_OPS(gem_pm_ops, gem_suspend, gem_resume);
 
 static struct pci_driver gem_driver = {
 	.name		= GEM_MODULE_NAME,
 	.id_table	= gem_pci_tbl,
 	.probe		= gem_init_one,
 	.remove		= gem_remove_one,
-#ifdef CONFIG_PM
-	.suspend	= gem_suspend,
-	.resume		= gem_resume,
-#endif /* CONFIG_PM */
+	.driver.pm	= &gem_pm_ops,
 };
 
 module_pci_driver(gem_driver);