Merging upstream version 6.8.9.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 138 insertions, 123 deletions

diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c
index 81fd31f6fa..32b73f3988 100644
--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c
@@ -56,10 +56,6 @@
 #define FIRMWARE_8125A_3	"rtl_nic/rtl8125a-3.fw"
 #define FIRMWARE_8125B_2	"rtl_nic/rtl8125b-2.fw"
 
-/* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
-   The RTL chips use a 64 element hash table based on the Ethernet CRC. */
-#define	MC_FILTER_LIMIT	32
-
 #define TX_DMA_BURST	7	/* Maximum PCI burst, '7' is unlimited */
 #define InterFrameGap	0x03	/* 3 means InterFrameGap = the shortest one */
 
@@ -289,6 +285,7 @@ enum rtl8168_8101_registers {
 };
 
 enum rtl8168_registers {
+	LED_CTRL		= 0x18,
 	LED_FREQ		= 0x1a,
 	EEE_LED			= 0x1b,
 	ERIDR			= 0x70,
@@ -620,6 +617,7 @@ struct rtl8169_private {
 
 	raw_spinlock_t config25_lock;
 	raw_spinlock_t mac_ocp_lock;
+	struct mutex led_lock;	/* serialize LED ctrl RMW access */
 
 	raw_spinlock_t cfg9346_usage_lock;
 	int cfg9346_usage_count;
@@ -636,6 +634,8 @@ struct rtl8169_private {
 	const char *fw_name;
 	struct rtl_fw *rtl_fw;
 
+	struct r8169_led_classdev *leds;
+
 	u32 ocp_base;
 };
 
@@ -792,6 +792,62 @@ static const struct rtl_cond name = {			\
 							\
 static bool name ## _check(struct rtl8169_private *tp)
 
+int rtl8168_led_mod_ctrl(struct rtl8169_private *tp, u16 mask, u16 val)
+{
+	struct device *dev = tp_to_dev(tp);
+	int ret;
+
+	ret = pm_runtime_resume_and_get(dev);
+	if (ret < 0)
+		return ret;
+
+	mutex_lock(&tp->led_lock);
+	RTL_W16(tp, LED_CTRL, (RTL_R16(tp, LED_CTRL) & ~mask) | val);
+	mutex_unlock(&tp->led_lock);
+
+	pm_runtime_put_sync(dev);
+
+	return 0;
+}
+
+int rtl8168_get_led_mode(struct rtl8169_private *tp)
+{
+	struct device *dev = tp_to_dev(tp);
+	int ret;
+
+	ret = pm_runtime_resume_and_get(dev);
+	if (ret < 0)
+		return ret;
+
+	ret = RTL_R16(tp, LED_CTRL);
+
+	pm_runtime_put_sync(dev);
+
+	return ret;
+}
+
+void r8169_get_led_name(struct rtl8169_private *tp, int idx,
+			char *buf, int buf_len)
+{
+	struct pci_dev *pdev = tp->pci_dev;
+	char pdom[8], pfun[8];
+	int domain;
+
+	domain = pci_domain_nr(pdev->bus);
+	if (domain)
+		snprintf(pdom, sizeof(pdom), "P%d", domain);
+	else
+		pdom[0] = '\0';
+
+	if (pdev->multifunction)
+		snprintf(pfun, sizeof(pfun), "f%d", PCI_FUNC(pdev->devfn));
+	else
+		pfun[0] = '\0';
+
+	snprintf(buf, buf_len, "en%sp%ds%d%s-%d::lan", pdom, pdev->bus->number,
+		 PCI_SLOT(pdev->devfn), pfun, idx);
+}
+
 static void r8168fp_adjust_ocp_cmd(struct rtl8169_private *tp, u32 *cmd, int type)
 {
 	/* based on RTL8168FP_OOBMAC_BASE in vendor driver */
@@ -1201,17 +1257,40 @@ static void rtl8168ep_stop_cmac(struct rtl8169_private *tp)
 	RTL_W8(tp, IBCR0, RTL_R8(tp, IBCR0) & ~0x01);
 }
 
+static void rtl_dash_loop_wait(struct rtl8169_private *tp,
+			       const struct rtl_cond *c,
+			       unsigned long usecs, int n, bool high)
+{
+	if (!tp->dash_enabled)
+		return;
+	rtl_loop_wait(tp, c, usecs, n, high);
+}
+
+static void rtl_dash_loop_wait_high(struct rtl8169_private *tp,
+				    const struct rtl_cond *c,
+				    unsigned long d, int n)
+{
+	rtl_dash_loop_wait(tp, c, d, n, true);
+}
+
+static void rtl_dash_loop_wait_low(struct rtl8169_private *tp,
+				   const struct rtl_cond *c,
+				   unsigned long d, int n)
+{
+	rtl_dash_loop_wait(tp, c, d, n, false);
+}
+
 static void rtl8168dp_driver_start(struct rtl8169_private *tp)
 {
 	r8168dp_oob_notify(tp, OOB_CMD_DRIVER_START);
-	rtl_loop_wait_high(tp, &rtl_dp_ocp_read_cond, 10000, 10);
+	rtl_dash_loop_wait_high(tp, &rtl_dp_ocp_read_cond, 10000, 10);
 }
 
 static void rtl8168ep_driver_start(struct rtl8169_private *tp)
 {
 	r8168ep_ocp_write(tp, 0x01, 0x180, OOB_CMD_DRIVER_START);
 	r8168ep_ocp_write(tp, 0x01, 0x30, r8168ep_ocp_read(tp, 0x30) | 0x01);
-	rtl_loop_wait_high(tp, &rtl_ep_ocp_read_cond, 10000, 30);
+	rtl_dash_loop_wait_high(tp, &rtl_ep_ocp_read_cond, 10000, 30);
 }
 
 static void rtl8168_driver_start(struct rtl8169_private *tp)
@@ -1225,7 +1304,7 @@ static void rtl8168_driver_start(struct rtl8169_private *tp)
 static void rtl8168dp_driver_stop(struct rtl8169_private *tp)
 {
 	r8168dp_oob_notify(tp, OOB_CMD_DRIVER_STOP);
-	rtl_loop_wait_low(tp, &rtl_dp_ocp_read_cond, 10000, 10);
+	rtl_dash_loop_wait_low(tp, &rtl_dp_ocp_read_cond, 10000, 10);
 }
 
 static void rtl8168ep_driver_stop(struct rtl8169_private *tp)
@@ -1233,7 +1312,7 @@ static void rtl8168ep_driver_stop(struct rtl8169_private *tp)
 	rtl8168ep_stop_cmac(tp);
 	r8168ep_ocp_write(tp, 0x01, 0x180, OOB_CMD_DRIVER_STOP);
 	r8168ep_ocp_write(tp, 0x01, 0x30, r8168ep_ocp_read(tp, 0x30) | 0x01);
-	rtl_loop_wait_low(tp, &rtl_ep_ocp_read_cond, 10000, 10);
+	rtl_dash_loop_wait_low(tp, &rtl_ep_ocp_read_cond, 10000, 10);
 }
 
 static void rtl8168_driver_stop(struct rtl8169_private *tp)
@@ -2233,6 +2312,9 @@ u16 rtl8168h_2_get_adc_bias_ioffset(struct rtl8169_private *tp)
 
 static void rtl_schedule_task(struct rtl8169_private *tp, enum rtl_flag flag)
 {
+	if (!test_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags))
+		return;
+
 	set_bit(flag, tp->wk.flags);
 	schedule_work(&tp->wk.work);
 }
@@ -2603,8 +2685,7 @@ static void rtl_set_rx_mode(struct net_device *dev)
 		rx_mode |= AcceptAllPhys;
 	} else if (!(dev->flags & IFF_MULTICAST)) {
 		rx_mode &= ~AcceptMulticast;
-	} else if (netdev_mc_count(dev) > MC_FILTER_LIMIT ||
-		   dev->flags & IFF_ALLMULTI ||
+	} else if (dev->flags & IFF_ALLMULTI ||
 		   tp->mac_version == RTL_GIGA_MAC_VER_35) {
 		/* accept all multicasts */
 	} else if (netdev_mc_empty(dev)) {
@@ -3106,6 +3187,33 @@ static void rtl_hw_start_8168g_2(struct rtl8169_private *tp)
 	rtl_ephy_init(tp, e_info_8168g_2);
 }
 
+static void rtl8411b_fix_phy_down(struct rtl8169_private *tp)
+{
+	static const u16 fix_data[] = {
+/* 0xf800 */ 0xe008, 0xe00a, 0xe00c, 0xe00e, 0xe027, 0xe04f, 0xe05e, 0xe065,
+/* 0xf810 */ 0xc602, 0xbe00, 0x0000, 0xc502, 0xbd00, 0x074c, 0xc302, 0xbb00,
+/* 0xf820 */ 0x080a, 0x6420, 0x48c2, 0x8c20, 0xc516, 0x64a4, 0x49c0, 0xf009,
+/* 0xf830 */ 0x74a2, 0x8ca5, 0x74a0, 0xc50e, 0x9ca2, 0x1c11, 0x9ca0, 0xe006,
+/* 0xf840 */ 0x74f8, 0x48c4, 0x8cf8, 0xc404, 0xbc00, 0xc403, 0xbc00, 0x0bf2,
+/* 0xf850 */ 0x0c0a, 0xe434, 0xd3c0, 0x49d9, 0xf01f, 0xc526, 0x64a5, 0x1400,
+/* 0xf860 */ 0xf007, 0x0c01, 0x8ca5, 0x1c15, 0xc51b, 0x9ca0, 0xe013, 0xc519,
+/* 0xf870 */ 0x74a0, 0x48c4, 0x8ca0, 0xc516, 0x74a4, 0x48c8, 0x48ca, 0x9ca4,
+/* 0xf880 */ 0xc512, 0x1b00, 0x9ba0, 0x1b1c, 0x483f, 0x9ba2, 0x1b04, 0xc508,
+/* 0xf890 */ 0x9ba0, 0xc505, 0xbd00, 0xc502, 0xbd00, 0x0300, 0x051e, 0xe434,
+/* 0xf8a0 */ 0xe018, 0xe092, 0xde20, 0xd3c0, 0xc50f, 0x76a4, 0x49e3, 0xf007,
+/* 0xf8b0 */ 0x49c0, 0xf103, 0xc607, 0xbe00, 0xc606, 0xbe00, 0xc602, 0xbe00,
+/* 0xf8c0 */ 0x0c4c, 0x0c28, 0x0c2c, 0xdc00, 0xc707, 0x1d00, 0x8de2, 0x48c1,
+/* 0xf8d0 */ 0xc502, 0xbd00, 0x00aa, 0xe0c0, 0xc502, 0xbd00, 0x0132
+	};
+	unsigned long flags;
+	int i;
+
+	raw_spin_lock_irqsave(&tp->mac_ocp_lock, flags);
+	for (i = 0; i < ARRAY_SIZE(fix_data); i++)
+		__r8168_mac_ocp_write(tp, 0xf800 + 2 * i, fix_data[i]);
+	raw_spin_unlock_irqrestore(&tp->mac_ocp_lock, flags);
+}
+
 static void rtl_hw_start_8411_2(struct rtl8169_private *tp)
 {
 	static const struct ephy_info e_info_8411_2[] = {
@@ -3139,117 +3247,7 @@ static void rtl_hw_start_8411_2(struct rtl8169_private *tp)
 	mdelay(3);
 	r8168_mac_ocp_write(tp, 0xFC26, 0x0000);
 
-	r8168_mac_ocp_write(tp, 0xF800, 0xE008);
-	r8168_mac_ocp_write(tp, 0xF802, 0xE00A);
-	r8168_mac_ocp_write(tp, 0xF804, 0xE00C);
-	r8168_mac_ocp_write(tp, 0xF806, 0xE00E);
-	r8168_mac_ocp_write(tp, 0xF808, 0xE027);
-	r8168_mac_ocp_write(tp, 0xF80A, 0xE04F);
-	r8168_mac_ocp_write(tp, 0xF80C, 0xE05E);
-	r8168_mac_ocp_write(tp, 0xF80E, 0xE065);
-	r8168_mac_ocp_write(tp, 0xF810, 0xC602);
-	r8168_mac_ocp_write(tp, 0xF812, 0xBE00);
-	r8168_mac_ocp_write(tp, 0xF814, 0x0000);
-	r8168_mac_ocp_write(tp, 0xF816, 0xC502);
-	r8168_mac_ocp_write(tp, 0xF818, 0xBD00);
-	r8168_mac_ocp_write(tp, 0xF81A, 0x074C);
-	r8168_mac_ocp_write(tp, 0xF81C, 0xC302);
-	r8168_mac_ocp_write(tp, 0xF81E, 0xBB00);
-	r8168_mac_ocp_write(tp, 0xF820, 0x080A);
-	r8168_mac_ocp_write(tp, 0xF822, 0x6420);
-	r8168_mac_ocp_write(tp, 0xF824, 0x48C2);
-	r8168_mac_ocp_write(tp, 0xF826, 0x8C20);
-	r8168_mac_ocp_write(tp, 0xF828, 0xC516);
-	r8168_mac_ocp_write(tp, 0xF82A, 0x64A4);
-	r8168_mac_ocp_write(tp, 0xF82C, 0x49C0);
-	r8168_mac_ocp_write(tp, 0xF82E, 0xF009);
-	r8168_mac_ocp_write(tp, 0xF830, 0x74A2);
-	r8168_mac_ocp_write(tp, 0xF832, 0x8CA5);
-	r8168_mac_ocp_write(tp, 0xF834, 0x74A0);
-	r8168_mac_ocp_write(tp, 0xF836, 0xC50E);
-	r8168_mac_ocp_write(tp, 0xF838, 0x9CA2);
-	r8168_mac_ocp_write(tp, 0xF83A, 0x1C11);
-	r8168_mac_ocp_write(tp, 0xF83C, 0x9CA0);
-	r8168_mac_ocp_write(tp, 0xF83E, 0xE006);
-	r8168_mac_ocp_write(tp, 0xF840, 0x74F8);
-	r8168_mac_ocp_write(tp, 0xF842, 0x48C4);
-	r8168_mac_ocp_write(tp, 0xF844, 0x8CF8);
-	r8168_mac_ocp_write(tp, 0xF846, 0xC404);
-	r8168_mac_ocp_write(tp, 0xF848, 0xBC00);
-	r8168_mac_ocp_write(tp, 0xF84A, 0xC403);
-	r8168_mac_ocp_write(tp, 0xF84C, 0xBC00);
-	r8168_mac_ocp_write(tp, 0xF84E, 0x0BF2);
-	r8168_mac_ocp_write(tp, 0xF850, 0x0C0A);
-	r8168_mac_ocp_write(tp, 0xF852, 0xE434);
-	r8168_mac_ocp_write(tp, 0xF854, 0xD3C0);
-	r8168_mac_ocp_write(tp, 0xF856, 0x49D9);
-	r8168_mac_ocp_write(tp, 0xF858, 0xF01F);
-	r8168_mac_ocp_write(tp, 0xF85A, 0xC526);
-	r8168_mac_ocp_write(tp, 0xF85C, 0x64A5);
-	r8168_mac_ocp_write(tp, 0xF85E, 0x1400);
-	r8168_mac_ocp_write(tp, 0xF860, 0xF007);
-	r8168_mac_ocp_write(tp, 0xF862, 0x0C01);
-	r8168_mac_ocp_write(tp, 0xF864, 0x8CA5);
-	r8168_mac_ocp_write(tp, 0xF866, 0x1C15);
-	r8168_mac_ocp_write(tp, 0xF868, 0xC51B);
-	r8168_mac_ocp_write(tp, 0xF86A, 0x9CA0);
-	r8168_mac_ocp_write(tp, 0xF86C, 0xE013);
-	r8168_mac_ocp_write(tp, 0xF86E, 0xC519);
-	r8168_mac_ocp_write(tp, 0xF870, 0x74A0);
-	r8168_mac_ocp_write(tp, 0xF872, 0x48C4);
-	r8168_mac_ocp_write(tp, 0xF874, 0x8CA0);
-	r8168_mac_ocp_write(tp, 0xF876, 0xC516);
-	r8168_mac_ocp_write(tp, 0xF878, 0x74A4);
-	r8168_mac_ocp_write(tp, 0xF87A, 0x48C8);
-	r8168_mac_ocp_write(tp, 0xF87C, 0x48CA);
-	r8168_mac_ocp_write(tp, 0xF87E, 0x9CA4);
-	r8168_mac_ocp_write(tp, 0xF880, 0xC512);
-	r8168_mac_ocp_write(tp, 0xF882, 0x1B00);
-	r8168_mac_ocp_write(tp, 0xF884, 0x9BA0);
-	r8168_mac_ocp_write(tp, 0xF886, 0x1B1C);
-	r8168_mac_ocp_write(tp, 0xF888, 0x483F);
-	r8168_mac_ocp_write(tp, 0xF88A, 0x9BA2);
-	r8168_mac_ocp_write(tp, 0xF88C, 0x1B04);
-	r8168_mac_ocp_write(tp, 0xF88E, 0xC508);
-	r8168_mac_ocp_write(tp, 0xF890, 0x9BA0);
-	r8168_mac_ocp_write(tp, 0xF892, 0xC505);
-	r8168_mac_ocp_write(tp, 0xF894, 0xBD00);
-	r8168_mac_ocp_write(tp, 0xF896, 0xC502);
-	r8168_mac_ocp_write(tp, 0xF898, 0xBD00);
-	r8168_mac_ocp_write(tp, 0xF89A, 0x0300);
-	r8168_mac_ocp_write(tp, 0xF89C, 0x051E);
-	r8168_mac_ocp_write(tp, 0xF89E, 0xE434);
-	r8168_mac_ocp_write(tp, 0xF8A0, 0xE018);
-	r8168_mac_ocp_write(tp, 0xF8A2, 0xE092);
-	r8168_mac_ocp_write(tp, 0xF8A4, 0xDE20);
-	r8168_mac_ocp_write(tp, 0xF8A6, 0xD3C0);
-	r8168_mac_ocp_write(tp, 0xF8A8, 0xC50F);
-	r8168_mac_ocp_write(tp, 0xF8AA, 0x76A4);
-	r8168_mac_ocp_write(tp, 0xF8AC, 0x49E3);
-	r8168_mac_ocp_write(tp, 0xF8AE, 0xF007);
-	r8168_mac_ocp_write(tp, 0xF8B0, 0x49C0);
-	r8168_mac_ocp_write(tp, 0xF8B2, 0xF103);
-	r8168_mac_ocp_write(tp, 0xF8B4, 0xC607);
-	r8168_mac_ocp_write(tp, 0xF8B6, 0xBE00);
-	r8168_mac_ocp_write(tp, 0xF8B8, 0xC606);
-	r8168_mac_ocp_write(tp, 0xF8BA, 0xBE00);
-	r8168_mac_ocp_write(tp, 0xF8BC, 0xC602);
-	r8168_mac_ocp_write(tp, 0xF8BE, 0xBE00);
-	r8168_mac_ocp_write(tp, 0xF8C0, 0x0C4C);
-	r8168_mac_ocp_write(tp, 0xF8C2, 0x0C28);
-	r8168_mac_ocp_write(tp, 0xF8C4, 0x0C2C);
-	r8168_mac_ocp_write(tp, 0xF8C6, 0xDC00);
-	r8168_mac_ocp_write(tp, 0xF8C8, 0xC707);
-	r8168_mac_ocp_write(tp, 0xF8CA, 0x1D00);
-	r8168_mac_ocp_write(tp, 0xF8CC, 0x8DE2);
-	r8168_mac_ocp_write(tp, 0xF8CE, 0x48C1);
-	r8168_mac_ocp_write(tp, 0xF8D0, 0xC502);
-	r8168_mac_ocp_write(tp, 0xF8D2, 0xBD00);
-	r8168_mac_ocp_write(tp, 0xF8D4, 0x00AA);
-	r8168_mac_ocp_write(tp, 0xF8D6, 0xE0C0);
-	r8168_mac_ocp_write(tp, 0xF8D8, 0xC502);
-	r8168_mac_ocp_write(tp, 0xF8DA, 0xBD00);
-	r8168_mac_ocp_write(tp, 0xF8DC, 0x0132);
+	rtl8411b_fix_phy_down(tp);
 
 	r8168_mac_ocp_write(tp, 0xFC26, 0x8000);
 
@@ -4561,8 +4559,7 @@ static void rtl_task(struct work_struct *work)
 
 	rtnl_lock();
 
-	if (!netif_running(tp->dev) ||
-	    !test_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags))
+	if (!test_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags))
 		goto out_unlock;
 
 	if (test_and_clear_bit(RTL_FLAG_TASK_TX_TIMEOUT, tp->wk.flags)) {
@@ -4935,6 +4932,9 @@ static void rtl_remove_one(struct pci_dev *pdev)
 
 	cancel_work_sync(&tp->wk.work);
 
+	if (IS_ENABLED(CONFIG_R8169_LEDS))
+		r8169_remove_leds(tp->leds);
+
 	unregister_netdev(tp->dev);
 
 	if (tp->dash_type != RTL_DASH_NONE)
@@ -5055,6 +5055,15 @@ static int r8169_mdio_register(struct rtl8169_private *tp)
 	struct mii_bus *new_bus;
 	int ret;
 
+	/* On some boards with this chip version the BIOS is buggy and misses
+	 * to reset the PHY page selector. This results in the PHY ID read
+	 * accessing registers on a different page, returning a more or
+	 * less random value. Fix this by resetting the page selector first.
+	 */
+	if (tp->mac_version == RTL_GIGA_MAC_VER_25 ||
+	    tp->mac_version == RTL_GIGA_MAC_VER_26)
+		r8169_mdio_write(tp, 0x1f, 0);
+
 	new_bus = devm_mdiobus_alloc(&pdev->dev);
 	if (!new_bus)
 		return -ENOMEM;
@@ -5227,6 +5236,7 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	raw_spin_lock_init(&tp->cfg9346_usage_lock);
 	raw_spin_lock_init(&tp->config25_lock);
 	raw_spin_lock_init(&tp->mac_ocp_lock);
+	mutex_init(&tp->led_lock);
 
 	dev->tstats = devm_netdev_alloc_pcpu_stats(&pdev->dev,
 						   struct pcpu_sw_netstats);
@@ -5383,6 +5393,11 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	if (rc)
 		return rc;
 
+	if (IS_ENABLED(CONFIG_R8169_LEDS) &&
+	    tp->mac_version > RTL_GIGA_MAC_VER_06 &&
+	    tp->mac_version < RTL_GIGA_MAC_VER_61)
+		tp->leds = rtl8168_init_leds(dev);
+
 	netdev_info(dev, "%s, %pM, XID %03x, IRQ %d\n",
 		    rtl_chip_infos[chipset].name, dev->dev_addr, xid, tp->irq);