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, 62 insertions, 55 deletions

diff --git a/drivers/net/ipa/gsi.c b/drivers/net/ipa/gsi.c
index ac7e5a04c8ac..0e63d35320aa 100644
--- a/drivers/net/ipa/gsi.c
+++ b/drivers/net/ipa/gsi.c
@@ -336,6 +336,7 @@ static int evt_ring_command(struct gsi *gsi, u32 evt_ring_id,
 {
 	struct gsi_evt_ring *evt_ring = &gsi->evt_ring[evt_ring_id];
 	struct completion *completion = &evt_ring->completion;
+	struct device *dev = gsi->dev;
 	u32 val;
 
 	val = u32_encode_bits(evt_ring_id, EV_CHID_FMASK);
@@ -344,8 +345,8 @@ static int evt_ring_command(struct gsi *gsi, u32 evt_ring_id,
 	if (gsi_command(gsi, GSI_EV_CH_CMD_OFFSET, val, completion))
 		return 0;	/* Success! */
 
-	dev_err(gsi->dev, "GSI command %u to event ring %u timed out "
-		"(state is %u)\n", opcode, evt_ring_id, evt_ring->state);
+	dev_err(dev, "GSI command %u for event ring %u timed out, state %u\n",
+		opcode, evt_ring_id, evt_ring->state);
 
 	return -ETIMEDOUT;
 }
@@ -358,13 +359,15 @@ static int gsi_evt_ring_alloc_command(struct gsi *gsi, u32 evt_ring_id)
 
 	/* Get initial event ring state */
 	evt_ring->state = gsi_evt_ring_state(gsi, evt_ring_id);
-
-	if (evt_ring->state != GSI_EVT_RING_STATE_NOT_ALLOCATED)
+	if (evt_ring->state != GSI_EVT_RING_STATE_NOT_ALLOCATED) {
+		dev_err(gsi->dev, "bad event ring state %u before alloc\n",
+			evt_ring->state);
 		return -EINVAL;
+	}
 
 	ret = evt_ring_command(gsi, evt_ring_id, GSI_EVT_ALLOCATE);
 	if (!ret && evt_ring->state != GSI_EVT_RING_STATE_ALLOCATED) {
-		dev_err(gsi->dev, "bad event ring state (%u) after alloc\n",
+		dev_err(gsi->dev, "bad event ring state %u after alloc\n",
 			evt_ring->state);
 		ret = -EIO;
 	}
@@ -381,14 +384,14 @@ static void gsi_evt_ring_reset_command(struct gsi *gsi, u32 evt_ring_id)
 
 	if (state != GSI_EVT_RING_STATE_ALLOCATED &&
 	    state != GSI_EVT_RING_STATE_ERROR) {
-		dev_err(gsi->dev, "bad event ring state (%u) before reset\n",
+		dev_err(gsi->dev, "bad event ring state %u before reset\n",
 			evt_ring->state);
 		return;
 	}
 
 	ret = evt_ring_command(gsi, evt_ring_id, GSI_EVT_RESET);
 	if (!ret && evt_ring->state != GSI_EVT_RING_STATE_ALLOCATED)
-		dev_err(gsi->dev, "bad event ring state (%u) after reset\n",
+		dev_err(gsi->dev, "bad event ring state %u after reset\n",
 			evt_ring->state);
 }
 
@@ -399,14 +402,14 @@ static void gsi_evt_ring_de_alloc_command(struct gsi *gsi, u32 evt_ring_id)
 	int ret;
 
 	if (evt_ring->state != GSI_EVT_RING_STATE_ALLOCATED) {
-		dev_err(gsi->dev, "bad event ring state (%u) before dealloc\n",
+		dev_err(gsi->dev, "bad event ring state %u before dealloc\n",
 			evt_ring->state);
 		return;
 	}
 
 	ret = evt_ring_command(gsi, evt_ring_id, GSI_EVT_DE_ALLOC);
 	if (!ret && evt_ring->state != GSI_EVT_RING_STATE_NOT_ALLOCATED)
-		dev_err(gsi->dev, "bad event ring state (%u) after dealloc\n",
+		dev_err(gsi->dev, "bad event ring state %u after dealloc\n",
 			evt_ring->state);
 }
 
@@ -429,6 +432,7 @@ gsi_channel_command(struct gsi_channel *channel, enum gsi_ch_cmd_opcode opcode)
 	struct completion *completion = &channel->completion;
 	u32 channel_id = gsi_channel_id(channel);
 	struct gsi *gsi = channel->gsi;
+	struct device *dev = gsi->dev;
 	u32 val;
 
 	val = u32_encode_bits(channel_id, CH_CHID_FMASK);
@@ -437,8 +441,7 @@ gsi_channel_command(struct gsi_channel *channel, enum gsi_ch_cmd_opcode opcode)
 	if (gsi_command(gsi, GSI_CH_CMD_OFFSET, val, completion))
 		return 0;	/* Success! */
 
-	dev_err(gsi->dev,
-		"GSI command %u to channel %u timed out (state is %u)\n",
+	dev_err(dev, "GSI command %u for channel %u timed out, state %u\n",
 		opcode, channel_id, gsi_channel_state(channel));
 
 	return -ETIMEDOUT;
@@ -448,21 +451,23 @@ gsi_channel_command(struct gsi_channel *channel, enum gsi_ch_cmd_opcode opcode)
 static int gsi_channel_alloc_command(struct gsi *gsi, u32 channel_id)
 {
 	struct gsi_channel *channel = &gsi->channel[channel_id];
+	struct device *dev = gsi->dev;
 	enum gsi_channel_state state;
 	int ret;
 
 	/* Get initial channel state */
 	state = gsi_channel_state(channel);
-	if (state != GSI_CHANNEL_STATE_NOT_ALLOCATED)
+	if (state != GSI_CHANNEL_STATE_NOT_ALLOCATED) {
+		dev_err(dev, "bad channel state %u before alloc\n", state);
 		return -EINVAL;
+	}
 
 	ret = gsi_channel_command(channel, GSI_CH_ALLOCATE);
 
 	/* Channel state will normally have been updated */
 	state = gsi_channel_state(channel);
 	if (!ret && state != GSI_CHANNEL_STATE_ALLOCATED) {
-		dev_err(gsi->dev, "bad channel state (%u) after alloc\n",
-			state);
+		dev_err(dev, "bad channel state %u after alloc\n", state);
 		ret = -EIO;
 	}
 
@@ -472,21 +477,23 @@ static int gsi_channel_alloc_command(struct gsi *gsi, u32 channel_id)
 /* Start an ALLOCATED channel */
 static int gsi_channel_start_command(struct gsi_channel *channel)
 {
+	struct device *dev = channel->gsi->dev;
 	enum gsi_channel_state state;
 	int ret;
 
 	state = gsi_channel_state(channel);
 	if (state != GSI_CHANNEL_STATE_ALLOCATED &&
-	    state != GSI_CHANNEL_STATE_STOPPED)
+	    state != GSI_CHANNEL_STATE_STOPPED) {
+		dev_err(dev, "bad channel state %u before start\n", state);
 		return -EINVAL;
+	}
 
 	ret = gsi_channel_command(channel, GSI_CH_START);
 
 	/* Channel state will normally have been updated */
 	state = gsi_channel_state(channel);
 	if (!ret && state != GSI_CHANNEL_STATE_STARTED) {
-		dev_err(channel->gsi->dev,
-			"bad channel state (%u) after start\n", state);
+		dev_err(dev, "bad channel state %u after start\n", state);
 		ret = -EIO;
 	}
 
@@ -496,6 +503,7 @@ static int gsi_channel_start_command(struct gsi_channel *channel)
 /* Stop a GSI channel in STARTED state */
 static int gsi_channel_stop_command(struct gsi_channel *channel)
 {
+	struct device *dev = channel->gsi->dev;
 	enum gsi_channel_state state;
 	int ret;
 
@@ -508,8 +516,10 @@ static int gsi_channel_stop_command(struct gsi_channel *channel)
 		return 0;
 
 	if (state != GSI_CHANNEL_STATE_STARTED &&
-	    state != GSI_CHANNEL_STATE_STOP_IN_PROC)
+	    state != GSI_CHANNEL_STATE_STOP_IN_PROC) {
+		dev_err(dev, "bad channel state %u before stop\n", state);
 		return -EINVAL;
+	}
 
 	ret = gsi_channel_command(channel, GSI_CH_STOP);
 
@@ -522,8 +532,7 @@ static int gsi_channel_stop_command(struct gsi_channel *channel)
 	if (state == GSI_CHANNEL_STATE_STOP_IN_PROC)
 		return -EAGAIN;
 
-	dev_err(channel->gsi->dev,
-		"bad channel state (%u) after stop\n", state);
+	dev_err(dev, "bad channel state %u after stop\n", state);
 
 	return -EIO;
 }
@@ -531,6 +540,7 @@ static int gsi_channel_stop_command(struct gsi_channel *channel)
 /* Reset a GSI channel in ALLOCATED or ERROR state. */
 static void gsi_channel_reset_command(struct gsi_channel *channel)
 {
+	struct device *dev = channel->gsi->dev;
 	enum gsi_channel_state state;
 	int ret;
 
@@ -539,8 +549,7 @@ static void gsi_channel_reset_command(struct gsi_channel *channel)
 	state = gsi_channel_state(channel);
 	if (state != GSI_CHANNEL_STATE_STOPPED &&
 	    state != GSI_CHANNEL_STATE_ERROR) {
-		dev_err(channel->gsi->dev,
-			"bad channel state (%u) before reset\n", state);
+		dev_err(dev, "bad channel state %u before reset\n", state);
 		return;
 	}
 
@@ -549,21 +558,20 @@ static void gsi_channel_reset_command(struct gsi_channel *channel)
 	/* Channel state will normally have been updated */
 	state = gsi_channel_state(channel);
 	if (!ret && state != GSI_CHANNEL_STATE_ALLOCATED)
-		dev_err(channel->gsi->dev,
-			"bad channel state (%u) after reset\n", state);
+		dev_err(dev, "bad channel state %u after reset\n", state);
 }
 
 /* Deallocate an ALLOCATED GSI channel */
 static void gsi_channel_de_alloc_command(struct gsi *gsi, u32 channel_id)
 {
 	struct gsi_channel *channel = &gsi->channel[channel_id];
+	struct device *dev = gsi->dev;
 	enum gsi_channel_state state;
 	int ret;
 
 	state = gsi_channel_state(channel);
 	if (state != GSI_CHANNEL_STATE_ALLOCATED) {
-		dev_err(gsi->dev,
-			"bad channel state (%u) before dealloc\n", state);
+		dev_err(dev, "bad channel state %u before dealloc\n", state);
 		return;
 	}
 
@@ -572,8 +580,7 @@ static void gsi_channel_de_alloc_command(struct gsi *gsi, u32 channel_id)
 	/* Channel state will normally have been updated */
 	state = gsi_channel_state(channel);
 	if (!ret && state != GSI_CHANNEL_STATE_NOT_ALLOCATED)
-		dev_err(gsi->dev,
-			"bad channel state (%u) after dealloc\n", state);
+		dev_err(dev, "bad channel state %u after dealloc\n", state);
 }
 
 /* Ring an event ring doorbell, reporting the last entry processed by the AP.
@@ -1146,8 +1153,8 @@ static irqreturn_t gsi_isr(int irq, void *dev_id)
 				break;
 			default:
 				dev_err(gsi->dev,
-					"%s: unrecognized type 0x%08x\n",
-					__func__, gsi_intr);
+					"unrecognized interrupt type 0x%08x\n",
+					gsi_intr);
 				break;
 			}
 		} while (intr_mask);
@@ -1251,7 +1258,7 @@ static int gsi_ring_alloc(struct gsi *gsi, struct gsi_ring *ring, u32 count)
 	if (ring->virt && addr % size) {
 		dma_free_coherent(dev, size, ring->virt, ring->addr);
 		dev_err(dev, "unable to alloc 0x%zx-aligned ring buffer\n",
-				size);
+			size);
 		return -EINVAL;	/* Not a good error value, but distinct */
 	} else if (!ring->virt) {
 		return -ENOMEM;
@@ -1356,7 +1363,7 @@ static void gsi_channel_update(struct gsi_channel *channel)
  * gsi_channel_poll_one() - Return a single completed transaction on a channel
  * @channel:	Channel to be polled
  *
- * @Return:	Transaction pointer, or null if none are available
+ * Return:	Transaction pointer, or null if none are available
  *
  * This function returns the first entry on a channel's completed transaction
  * list.  If that list is empty, the hardware is consulted to determine
@@ -1386,8 +1393,8 @@ static struct gsi_trans *gsi_channel_poll_one(struct gsi_channel *channel)
  * gsi_channel_poll() - NAPI poll function for a channel
  * @napi:	NAPI structure for the channel
  * @budget:	Budget supplied by NAPI core
-
- * @Return:	 Number of items polled (<= budget)
+ *
+ * Return:	Number of items polled (<= budget)
  *
  * Single transactions completed by hardware are polled until either
  * the budget is exhausted, or there are no more.  Each transaction
@@ -1642,12 +1649,13 @@ static void gsi_channel_teardown(struct gsi *gsi)
 /* Setup function for GSI.  GSI firmware must be loaded and initialized */
 int gsi_setup(struct gsi *gsi, bool legacy)
 {
+	struct device *dev = gsi->dev;
 	u32 val;
 
 	/* Here is where we first touch the GSI hardware */
 	val = ioread32(gsi->virt + GSI_GSI_STATUS_OFFSET);
 	if (!(val & ENABLED_FMASK)) {
-		dev_err(gsi->dev, "GSI has not been enabled\n");
+		dev_err(dev, "GSI has not been enabled\n");
 		return -EIO;
 	}
 
@@ -1655,24 +1663,24 @@ int gsi_setup(struct gsi *gsi, bool legacy)
 
 	gsi->channel_count = u32_get_bits(val, NUM_CH_PER_EE_FMASK);
 	if (!gsi->channel_count) {
-		dev_err(gsi->dev, "GSI reports zero channels supported\n");
+		dev_err(dev, "GSI reports zero channels supported\n");
 		return -EINVAL;
 	}
 	if (gsi->channel_count > GSI_CHANNEL_COUNT_MAX) {
-		dev_warn(gsi->dev,
-			"limiting to %u channels (hardware supports %u)\n",
+		dev_warn(dev,
+			 "limiting to %u channels; hardware supports %u\n",
 			 GSI_CHANNEL_COUNT_MAX, gsi->channel_count);
 		gsi->channel_count = GSI_CHANNEL_COUNT_MAX;
 	}
 
 	gsi->evt_ring_count = u32_get_bits(val, NUM_EV_PER_EE_FMASK);
 	if (!gsi->evt_ring_count) {
-		dev_err(gsi->dev, "GSI reports zero event rings supported\n");
+		dev_err(dev, "GSI reports zero event rings supported\n");
 		return -EINVAL;
 	}
 	if (gsi->evt_ring_count > GSI_EVT_RING_COUNT_MAX) {
-		dev_warn(gsi->dev,
-			"limiting to %u event rings (hardware supports %u)\n",
+		dev_warn(dev,
+			 "limiting to %u event rings; hardware supports %u\n",
 			 GSI_EVT_RING_COUNT_MAX, gsi->evt_ring_count);
 		gsi->evt_ring_count = GSI_EVT_RING_COUNT_MAX;
 	}
@@ -1758,19 +1766,19 @@ static bool gsi_channel_data_valid(struct gsi *gsi,
 
 	/* Make sure channel ids are in the range driver supports */
 	if (channel_id >= GSI_CHANNEL_COUNT_MAX) {
-		dev_err(dev, "bad channel id %u (must be less than %u)\n",
+		dev_err(dev, "bad channel id %u; must be less than %u\n",
 			channel_id, GSI_CHANNEL_COUNT_MAX);
 		return false;
 	}
 
 	if (data->ee_id != GSI_EE_AP && data->ee_id != GSI_EE_MODEM) {
-		dev_err(dev, "bad EE id %u (AP or modem)\n", data->ee_id);
+		dev_err(dev, "bad EE id %u; not AP or modem\n", data->ee_id);
 		return false;
 	}
 
 	if (!data->channel.tlv_count ||
 	    data->channel.tlv_count > GSI_TLV_MAX) {
-		dev_err(dev, "channel %u bad tlv_count %u (must be 1..%u)\n",
+		dev_err(dev, "channel %u bad tlv_count %u; must be 1..%u\n",
 			channel_id, data->channel.tlv_count, GSI_TLV_MAX);
 		return false;
 	}
@@ -1788,13 +1796,13 @@ static bool gsi_channel_data_valid(struct gsi *gsi,
 	}
 
 	if (!is_power_of_2(data->channel.tre_count)) {
-		dev_err(dev, "channel %u bad tre_count %u (not power of 2)\n",
+		dev_err(dev, "channel %u bad tre_count %u; not power of 2\n",
 			channel_id, data->channel.tre_count);
 		return false;
 	}
 
 	if (!is_power_of_2(data->channel.event_count)) {
-		dev_err(dev, "channel %u bad event_count %u (not power of 2)\n",
+		dev_err(dev, "channel %u bad event_count %u; not power of 2\n",
 			channel_id, data->channel.event_count);
 		return false;
 	}
@@ -1948,6 +1956,7 @@ int gsi_init(struct gsi *gsi, struct platform_device *pdev, bool prefetch,
 	     u32 count, const struct ipa_gsi_endpoint_data *data,
 	     bool modem_alloc)
 {
+	struct device *dev = &pdev->dev;
 	struct resource *res;
 	resource_size_t size;
 	unsigned int irq;
@@ -1955,7 +1964,7 @@ int gsi_init(struct gsi *gsi, struct platform_device *pdev, bool prefetch,
 
 	gsi_validate_build();
 
-	gsi->dev = &pdev->dev;
+	gsi->dev = dev;
 
 	/* The GSI layer performs NAPI on all endpoints.  NAPI requires a
 	 * network device structure, but the GSI layer does not have one,
@@ -1966,43 +1975,41 @@ int gsi_init(struct gsi *gsi, struct platform_device *pdev, bool prefetch,
 	/* Get the GSI IRQ and request for it to wake the system */
 	ret = platform_get_irq_byname(pdev, "gsi");
 	if (ret <= 0) {
-		dev_err(gsi->dev,
-			"DT error %d getting \"gsi\" IRQ property\n", ret);
+		dev_err(dev, "DT error %d getting \"gsi\" IRQ property\n", ret);
 		return ret ? : -EINVAL;
 	}
 	irq = ret;
 
 	ret = request_irq(irq, gsi_isr, 0, "gsi", gsi);
 	if (ret) {
-		dev_err(gsi->dev, "error %d requesting \"gsi\" IRQ\n", ret);
+		dev_err(dev, "error %d requesting \"gsi\" IRQ\n", ret);
 		return ret;
 	}
 	gsi->irq = irq;
 
 	ret = enable_irq_wake(gsi->irq);
 	if (ret)
-		dev_warn(gsi->dev, "error %d enabling gsi wake irq\n", ret);
+		dev_warn(dev, "error %d enabling gsi wake irq\n", ret);
 	gsi->irq_wake_enabled = !ret;
 
 	/* Get GSI memory range and map it */
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "gsi");
 	if (!res) {
-		dev_err(gsi->dev,
-			"DT error getting \"gsi\" memory property\n");
+		dev_err(dev, "DT error getting \"gsi\" memory property\n");
 		ret = -ENODEV;
 		goto err_disable_irq_wake;
 	}
 
 	size = resource_size(res);
 	if (res->start > U32_MAX || size > U32_MAX - res->start) {
-		dev_err(gsi->dev, "DT memory resource \"gsi\" out of range\n");
+		dev_err(dev, "DT memory resource \"gsi\" out of range\n");
 		ret = -EINVAL;
 		goto err_disable_irq_wake;
 	}
 
 	gsi->virt = ioremap(res->start, size);
 	if (!gsi->virt) {
-		dev_err(gsi->dev, "unable to remap \"gsi\" memory\n");
+		dev_err(dev, "unable to remap \"gsi\" memory\n");
 		ret = -ENOMEM;
 		goto err_disable_irq_wake;
 	}