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

Pull networking updates from David Miller:
 "Another merge window, another set of networking changes.  I've heard
  rumblings that the lightweight tunnels infrastructure has been voted
  networking change of the year.  But what do I know?

   1) Add conntrack support to openvswitch, from Joe Stringer.

   2) Initial support for VRF (Virtual Routing and Forwarding), which
      allows the segmentation of routing paths without using multiple
      devices.  There are some semantic kinks to work out still, but
      this is a reasonably strong foundation.  From David Ahern.

   3) Remove spinlock fro act_bpf fast path, from Alexei Starovoitov.

   4) Ignore route nexthops with a link down state in ipv6, just like
      ipv4.  From Andy Gospodarek.

   5) Remove spinlock from fast path of act_gact and act_mirred, from
      Eric Dumazet.

   6) Document the DSA layer, from Florian Fainelli.

   7) Add netconsole support to bcmgenet, systemport, and DSA.  Also
      from Florian Fainelli.

   8) Add Mellanox Switch Driver and core infrastructure, from Jiri
      Pirko.

   9) Add support for "light weight tunnels", which allow for
      encapsulation and decapsulation without bearing the overhead of a
      full blown netdevice.  From Thomas Graf, Jiri Benc, and a cast of
      others.

  10) Add Identifier Locator Addressing support for ipv6, from Tom
      Herbert.

  11) Support fragmented SKBs in iwlwifi, from Johannes Berg.

  12) Allow perf PMUs to be accessed from eBPF programs, from Kaixu Xia.

  13) Add BQL support to 3c59x driver, from Loganaden Velvindron.

  14) Stop using a zero TX queue length to mean that a device shouldn't
      have a qdisc attached, use an explicit flag instead.  From Phil
      Sutter.

  15) Use generic geneve netdevice infrastructure in openvswitch, from
      Pravin B Shelar.

  16) Add infrastructure to avoid re-forwarding a packet in software
      that was already forwarded by a hardware switch.  From Scott
      Feldman.

  17) Allow AF_PACKET fanout function to be implemented in a bpf
      program, from Willem de Bruijn"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1458 commits)
  netfilter: nf_conntrack: make nf_ct_zone_dflt built-in
  netfilter: nf_dup{4, 6}: fix build error when nf_conntrack disabled
  net: fec: clear receive interrupts before processing a packet
  ipv6: fix exthdrs offload registration in out_rt path
  xen-netback: add support for multicast control
  bgmac: Update fixed_phy_register()
  sock, diag: fix panic in sock_diag_put_filterinfo
  flow_dissector: Use 'const' where possible.
  flow_dissector: Fix function argument ordering dependency
  ixgbe: Resolve "initialized field overwritten" warnings
  ixgbe: Remove bimodal SR-IOV disabling
  ixgbe: Add support for reporting 2.5G link speed
  ixgbe: fix bounds checking in ixgbe_setup_tc for 82598
  ixgbe: support for ethtool set_rxfh
  ixgbe: Avoid needless PHY access on copper phys
  ixgbe: cleanup to use cached mask value
  ixgbe: Remove second instance of lan_id variable
  ixgbe: use kzalloc for allocating one thing
  flow: Move __get_hash_from_flowi{4,6} into flow_dissector.c
  ixgbe: Remove unused PCI bus types
  ...

1 files changed, 128 insertions, 70 deletions

diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c
index 6ca6193..2fb04c5 100644
--- a/drivers/net/wireless/ath/wil6210/main.c
+++ b/drivers/net/wireless/ath/wil6210/main.c
@@ -21,6 +21,7 @@
 #include "wil6210.h"
 #include "txrx.h"
 #include "wmi.h"
+#include "boot_loader.h"
 
 #define WAIT_FOR_DISCONNECT_TIMEOUT_MS 2000
 #define WAIT_FOR_DISCONNECT_INTERVAL_MS 10
@@ -270,8 +271,7 @@ static void wil_scan_timer_fn(ulong x)
 
 	clear_bit(wil_status_fwready, wil->status);
 	wil_err(wil, "Scan timeout detected, start fw error recovery\n");
-	wil->recovery_state = fw_recovery_pending;
-	schedule_work(&wil->fw_error_worker);
+	wil_fw_error_recovery(wil);
 }
 
 static int wil_wait_for_recovery(struct wil6210_priv *wil)
@@ -528,26 +528,16 @@ void wil_priv_deinit(struct wil6210_priv *wil)
 	destroy_workqueue(wil->wmi_wq);
 }
 
-/* target operations */
-/* register read */
-#define R(a) ioread32(wil->csr + HOSTADDR(a))
-/* register write. wmb() to make sure it is completed */
-#define W(a, v) do { iowrite32(v, wil->csr + HOSTADDR(a)); wmb(); } while (0)
-/* register set = read, OR, write */
-#define S(a, v) W(a, R(a) | v)
-/* register clear = read, AND with inverted, write */
-#define C(a, v) W(a, R(a) & ~v)
-
 static inline void wil_halt_cpu(struct wil6210_priv *wil)
 {
-	W(RGF_USER_USER_CPU_0, BIT_USER_USER_CPU_MAN_RST);
-	W(RGF_USER_MAC_CPU_0,  BIT_USER_MAC_CPU_MAN_RST);
+	wil_w(wil, RGF_USER_USER_CPU_0, BIT_USER_USER_CPU_MAN_RST);
+	wil_w(wil, RGF_USER_MAC_CPU_0,  BIT_USER_MAC_CPU_MAN_RST);
 }
 
 static inline void wil_release_cpu(struct wil6210_priv *wil)
 {
 	/* Start CPU */
-	W(RGF_USER_USER_CPU_0, 1);
+	wil_w(wil, RGF_USER_USER_CPU_0, 1);
 }
 
 static int wil_target_reset(struct wil6210_priv *wil)
@@ -558,56 +548,60 @@ static int wil_target_reset(struct wil6210_priv *wil)
 	wil_dbg_misc(wil, "Resetting \"%s\"...\n", wil->hw_name);
 
 	/* Clear MAC link up */
-	S(RGF_HP_CTRL, BIT(15));
-	S(RGF_USER_CLKS_CTL_SW_RST_MASK_0, BIT_HPAL_PERST_FROM_PAD);
-	S(RGF_USER_CLKS_CTL_SW_RST_MASK_0, BIT_CAR_PERST_RST);
+	wil_s(wil, RGF_HP_CTRL, BIT(15));
+	wil_s(wil, RGF_USER_CLKS_CTL_SW_RST_MASK_0, BIT_HPAL_PERST_FROM_PAD);
+	wil_s(wil, RGF_USER_CLKS_CTL_SW_RST_MASK_0, BIT_CAR_PERST_RST);
 
 	wil_halt_cpu(wil);
 
 	/* clear all boot loader "ready" bits */
-	W(RGF_USER_BL + offsetof(struct RGF_BL, ready), 0);
+	wil_w(wil, RGF_USER_BL +
+	      offsetof(struct bl_dedicated_registers_v0, boot_loader_ready), 0);
 	/* Clear Fw Download notification */
-	C(RGF_USER_USAGE_6, BIT(0));
+	wil_c(wil, RGF_USER_USAGE_6, BIT(0));
 
-	S(RGF_CAF_OSC_CONTROL, BIT_CAF_OSC_XTAL_EN);
+	wil_s(wil, RGF_CAF_OSC_CONTROL, BIT_CAF_OSC_XTAL_EN);
 	/* XTAL stabilization should take about 3ms */
 	usleep_range(5000, 7000);
-	x = R(RGF_CAF_PLL_LOCK_STATUS);
+	x = wil_r(wil, RGF_CAF_PLL_LOCK_STATUS);
 	if (!(x & BIT_CAF_OSC_DIG_XTAL_STABLE)) {
 		wil_err(wil, "Xtal stabilization timeout\n"
 			"RGF_CAF_PLL_LOCK_STATUS = 0x%08x\n", x);
 		return -ETIME;
 	}
 	/* switch 10k to XTAL*/
-	C(RGF_USER_SPARROW_M_4, BIT_SPARROW_M_4_SEL_SLEEP_OR_REF);
+	wil_c(wil, RGF_USER_SPARROW_M_4, BIT_SPARROW_M_4_SEL_SLEEP_OR_REF);
 	/* 40 MHz */
-	C(RGF_USER_CLKS_CTL_0, BIT_USER_CLKS_CAR_AHB_SW_SEL);
+	wil_c(wil, RGF_USER_CLKS_CTL_0, BIT_USER_CLKS_CAR_AHB_SW_SEL);
 
-	W(RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_0, 0x3ff81f);
-	W(RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_1, 0xf);
+	wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_0, 0x3ff81f);
+	wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_1, 0xf);
 
-	W(RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0xFE000000);
-	W(RGF_USER_CLKS_CTL_SW_RST_VEC_1, 0x0000003F);
-	W(RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0x000000f0);
-	W(RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0xFFE7FE00);
+	wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0xFE000000);
+	wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_1, 0x0000003F);
+	wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0x000000f0);
+	wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0xFFE7FE00);
 
-	W(RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_0, 0x0);
-	W(RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_1, 0x0);
+	wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_0, 0x0);
+	wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_1, 0x0);
 
-	W(RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0);
-	W(RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0);
-	W(RGF_USER_CLKS_CTL_SW_RST_VEC_1, 0);
-	W(RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0);
+	wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0);
+	wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0);
+	wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_1, 0);
+	wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0);
 
-	W(RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0x00000003);
-	W(RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0x00008000); /* reset A2 PCIE AHB */
+	wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0x00000003);
+	/* reset A2 PCIE AHB */
+	wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0x00008000);
 
-	W(RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0);
+	wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0);
 
 	/* wait until device ready. typical time is 20..80 msec */
 	do {
 		msleep(RST_DELAY);
-		x = R(RGF_USER_BL + offsetof(struct RGF_BL, ready));
+		x = wil_r(wil, RGF_USER_BL +
+			  offsetof(struct bl_dedicated_registers_v0,
+				   boot_loader_ready));
 		if (x1 != x) {
 			wil_dbg_misc(wil, "BL.ready 0x%08x => 0x%08x\n", x1, x);
 			x1 = x;
@@ -617,13 +611,13 @@ static int wil_target_reset(struct wil6210_priv *wil)
 				x);
 			return -ETIME;
 		}
-	} while (x != BIT_BL_READY);
+	} while (x != BL_READY);
 
-	C(RGF_USER_CLKS_CTL_0, BIT_USER_CLKS_RST_PWGD);
+	wil_c(wil, RGF_USER_CLKS_CTL_0, BIT_USER_CLKS_RST_PWGD);
 
 	/* enable fix for HW bug related to the SA/DA swap in AP Rx */
-	S(RGF_DMA_OFUL_NID_0, BIT_DMA_OFUL_NID_0_RX_EXT_TR_EN |
-	  BIT_DMA_OFUL_NID_0_RX_EXT_A3_SRC);
+	wil_s(wil, RGF_DMA_OFUL_NID_0, BIT_DMA_OFUL_NID_0_RX_EXT_TR_EN |
+	      BIT_DMA_OFUL_NID_0_RX_EXT_A3_SRC);
 
 	wil_dbg_misc(wil, "Reset completed in %d ms\n", delay * RST_DELAY);
 	return 0;
@@ -641,29 +635,93 @@ void wil_mbox_ring_le2cpus(struct wil6210_mbox_ring *r)
 static int wil_get_bl_info(struct wil6210_priv *wil)
 {
 	struct net_device *ndev = wil_to_ndev(wil);
-	struct RGF_BL bl;
-
-	wil_memcpy_fromio_32(&bl, wil->csr + HOSTADDR(RGF_USER_BL), sizeof(bl));
-	le32_to_cpus(&bl.ready);
-	le32_to_cpus(&bl.version);
-	le32_to_cpus(&bl.rf_type);
-	le32_to_cpus(&bl.baseband_type);
+	union {
+		struct bl_dedicated_registers_v0 bl0;
+		struct bl_dedicated_registers_v1 bl1;
+	} bl;
+	u32 bl_ver;
+	u8 *mac;
+	u16 rf_status;
+
+	wil_memcpy_fromio_32(&bl, wil->csr + HOSTADDR(RGF_USER_BL),
+			     sizeof(bl));
+	bl_ver = le32_to_cpu(bl.bl0.boot_loader_struct_version);
+	mac = bl.bl0.mac_address;
+
+	if (bl_ver == 0) {
+		le32_to_cpus(&bl.bl0.rf_type);
+		le32_to_cpus(&bl.bl0.baseband_type);
+		rf_status = 0; /* actually, unknown */
+		wil_info(wil,
+			 "Boot Loader struct v%d: MAC = %pM RF = 0x%08x bband = 0x%08x\n",
+			 bl_ver, mac,
+			 bl.bl0.rf_type, bl.bl0.baseband_type);
+		wil_info(wil, "Boot Loader build unknown for struct v0\n");
+	} else {
+		le16_to_cpus(&bl.bl1.rf_type);
+		rf_status = le16_to_cpu(bl.bl1.rf_status);
+		le32_to_cpus(&bl.bl1.baseband_type);
+		le16_to_cpus(&bl.bl1.bl_version_subminor);
+		le16_to_cpus(&bl.bl1.bl_version_build);
+		wil_info(wil,
+			 "Boot Loader struct v%d: MAC = %pM RF = 0x%04x (status 0x%04x) bband = 0x%08x\n",
+			 bl_ver, mac,
+			 bl.bl1.rf_type, rf_status,
+			 bl.bl1.baseband_type);
+		wil_info(wil, "Boot Loader build %d.%d.%d.%d\n",
+			 bl.bl1.bl_version_major, bl.bl1.bl_version_minor,
+			 bl.bl1.bl_version_subminor, bl.bl1.bl_version_build);
+	}
 
-	if (!is_valid_ether_addr(bl.mac_address)) {
-		wil_err(wil, "BL: Invalid MAC %pM\n", bl.mac_address);
+	if (!is_valid_ether_addr(mac)) {
+		wil_err(wil, "BL: Invalid MAC %pM\n", mac);
 		return -EINVAL;
 	}
 
-	ether_addr_copy(ndev->perm_addr, bl.mac_address);
+	ether_addr_copy(ndev->perm_addr, mac);
 	if (!is_valid_ether_addr(ndev->dev_addr))
-		ether_addr_copy(ndev->dev_addr, bl.mac_address);
-	wil_info(wil,
-		 "Boot Loader: ver = %d MAC = %pM RF = 0x%08x bband = 0x%08x\n",
-		 bl.version, bl.mac_address, bl.rf_type, bl.baseband_type);
+		ether_addr_copy(ndev->dev_addr, mac);
+
+	if (rf_status) {/* bad RF cable? */
+		wil_err(wil, "RF communication error 0x%04x",
+			rf_status);
+		return -EAGAIN;
+	}
 
 	return 0;
 }
 
+static void wil_bl_crash_info(struct wil6210_priv *wil, bool is_err)
+{
+	u32 bl_assert_code, bl_assert_blink, bl_magic_number;
+	u32 bl_ver = wil_r(wil, RGF_USER_BL +
+			   offsetof(struct bl_dedicated_registers_v0,
+				    boot_loader_struct_version));
+
+	if (bl_ver < 2)
+		return;
+
+	bl_assert_code = wil_r(wil, RGF_USER_BL +
+			       offsetof(struct bl_dedicated_registers_v1,
+					bl_assert_code));
+	bl_assert_blink = wil_r(wil, RGF_USER_BL +
+				offsetof(struct bl_dedicated_registers_v1,
+					 bl_assert_blink));
+	bl_magic_number = wil_r(wil, RGF_USER_BL +
+				offsetof(struct bl_dedicated_registers_v1,
+					 bl_magic_number));
+
+	if (is_err) {
+		wil_err(wil,
+			"BL assert code 0x%08x blink 0x%08x magic 0x%08x\n",
+			bl_assert_code, bl_assert_blink, bl_magic_number);
+	} else {
+		wil_dbg_misc(wil,
+			     "BL assert code 0x%08x blink 0x%08x magic 0x%08x\n",
+			     bl_assert_code, bl_assert_blink, bl_magic_number);
+	}
+}
+
 static int wil_wait_for_fw_ready(struct wil6210_priv *wil)
 {
 	ulong to = msecs_to_jiffies(1000);
@@ -690,9 +748,6 @@ int wil_reset(struct wil6210_priv *wil, bool load_fw)
 
 	wil_dbg_misc(wil, "%s()\n", __func__);
 
-	if (wil->hw_version == HW_VER_UNKNOWN)
-		return -ENODEV;
-
 	WARN_ON(!mutex_is_locked(&wil->mutex));
 	WARN_ON(test_bit(wil_status_napi_en, wil->status));
 
@@ -707,6 +762,9 @@ int wil_reset(struct wil6210_priv *wil, bool load_fw)
 		return 0;
 	}
 
+	if (wil->hw_version == HW_VER_UNKNOWN)
+		return -ENODEV;
+
 	cancel_work_sync(&wil->disconnect_worker);
 	wil6210_disconnect(wil, NULL, WLAN_REASON_DEAUTH_LEAVING, false);
 	wil_bcast_fini(wil);
@@ -729,12 +787,17 @@ int wil_reset(struct wil6210_priv *wil, bool load_fw)
 	flush_workqueue(wil->wq_service);
 	flush_workqueue(wil->wmi_wq);
 
+	wil_bl_crash_info(wil, false);
 	rc = wil_target_reset(wil);
 	wil_rx_fini(wil);
-	if (rc)
+	if (rc) {
+		wil_bl_crash_info(wil, true);
 		return rc;
+	}
 
 	rc = wil_get_bl_info(wil);
+	if (rc == -EAGAIN && !load_fw) /* ignore RF error if not going up */
+		rc = 0;
 	if (rc)
 		return rc;
 
@@ -752,7 +815,7 @@ int wil_reset(struct wil6210_priv *wil, bool load_fw)
 			return rc;
 
 		/* Mark FW as loaded from host */
-		S(RGF_USER_USAGE_6, 1);
+		wil_s(wil, RGF_USER_USAGE_6, 1);
 
 		/* clear any interrupts which on-card-firmware
 		 * may have set
@@ -760,8 +823,8 @@ int wil_reset(struct wil6210_priv *wil, bool load_fw)
 		wil6210_clear_irq(wil);
 		/* CAF_ICR - clear and mask */
 		/* it is W1C, clear by writing back same value */
-		S(RGF_CAF_ICR + offsetof(struct RGF_ICR, ICR), 0);
-		W(RGF_CAF_ICR + offsetof(struct RGF_ICR, IMV), ~0);
+		wil_s(wil, RGF_CAF_ICR + offsetof(struct RGF_ICR, ICR), 0);
+		wil_w(wil, RGF_CAF_ICR + offsetof(struct RGF_ICR, IMV), ~0);
 
 		wil_release_cpu(wil);
 	}
@@ -785,11 +848,6 @@ int wil_reset(struct wil6210_priv *wil, bool load_fw)
 	return rc;
 }
 
-#undef R
-#undef W
-#undef S
-#undef C
-
 void wil_fw_error_recovery(struct wil6210_priv *wil)
 {
 	wil_dbg_misc(wil, "starting fw error recovery\n");