1 files changed, 285 insertions, 23 deletions

diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c b/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c
index bd4624d14ca0..f3d2778b8e35 100644
--- a/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c
+++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c
@@ -8,16 +8,22 @@
 #include <linux/string.h>
 #include <linux/etherdevice.h>
 #include <linux/phylink.h>
+#include <net/udp_tunnel.h>
 #include <net/ip.h>
 #include <linux/if_vlan.h>
 
 #include "../libwx/wx_type.h"
 #include "../libwx/wx_lib.h"
+#include "../libwx/wx_ptp.h"
 #include "../libwx/wx_hw.h"
+#include "../libwx/wx_mbx.h"
+#include "../libwx/wx_sriov.h"
 #include "txgbe_type.h"
 #include "txgbe_hw.h"
 #include "txgbe_phy.h"
+#include "txgbe_aml.h"
 #include "txgbe_irq.h"
+#include "txgbe_fdir.h"
 #include "txgbe_ethtool.h"
 
 char txgbe_driver_name[] = "txgbe";
@@ -33,6 +39,12 @@ char txgbe_driver_name[] = "txgbe";
 static const struct pci_device_id txgbe_pci_tbl[] = {
 	{ PCI_VDEVICE(WANGXUN, TXGBE_DEV_ID_SP1000), 0},
 	{ PCI_VDEVICE(WANGXUN, TXGBE_DEV_ID_WX1820), 0},
+	{ PCI_VDEVICE(WANGXUN, TXGBE_DEV_ID_AML5010), 0},
+	{ PCI_VDEVICE(WANGXUN, TXGBE_DEV_ID_AML5110), 0},
+	{ PCI_VDEVICE(WANGXUN, TXGBE_DEV_ID_AML5025), 0},
+	{ PCI_VDEVICE(WANGXUN, TXGBE_DEV_ID_AML5125), 0},
+	{ PCI_VDEVICE(WANGXUN, TXGBE_DEV_ID_AML5040), 0},
+	{ PCI_VDEVICE(WANGXUN, TXGBE_DEV_ID_AML5140), 0},
 	/* required last entry */
 	{ .device = 0 }
 };
@@ -77,11 +89,63 @@ static int txgbe_enumerate_functions(struct wx *wx)
 	return physfns;
 }
 
+static void txgbe_sfp_detection_subtask(struct wx *wx)
+{
+	int err;
+
+	if (!test_bit(WX_FLAG_NEED_SFP_RESET, wx->flags))
+		return;
+
+	/* wait for SFP module ready */
+	msleep(200);
+
+	err = txgbe_identify_sfp(wx);
+	if (err)
+		return;
+
+	clear_bit(WX_FLAG_NEED_SFP_RESET, wx->flags);
+}
+
+static void txgbe_link_config_subtask(struct wx *wx)
+{
+	int err;
+
+	if (!test_bit(WX_FLAG_NEED_LINK_CONFIG, wx->flags))
+		return;
+
+	err = txgbe_set_phy_link(wx);
+	if (err)
+		return;
+
+	clear_bit(WX_FLAG_NEED_LINK_CONFIG, wx->flags);
+}
+
+/**
+ * txgbe_service_task - manages and runs subtasks
+ * @work: pointer to work_struct containing our data
+ **/
+static void txgbe_service_task(struct work_struct *work)
+{
+	struct wx *wx = container_of(work, struct wx, service_task);
+
+	txgbe_sfp_detection_subtask(wx);
+	txgbe_link_config_subtask(wx);
+
+	wx_service_event_complete(wx);
+}
+
+static void txgbe_init_service(struct wx *wx)
+{
+	timer_setup(&wx->service_timer, wx_service_timer, 0);
+	INIT_WORK(&wx->service_task, txgbe_service_task);
+	clear_bit(WX_STATE_SERVICE_SCHED, wx->state);
+}
+
 static void txgbe_up_complete(struct wx *wx)
 {
 	struct net_device *netdev = wx->netdev;
+	u32 reg;
 
-	txgbe_reinit_gpio_intr(wx);
 	wx_control_hw(wx, true);
 	wx_configure_vectors(wx);
 
@@ -89,7 +153,27 @@ static void txgbe_up_complete(struct wx *wx)
 	smp_mb__before_atomic();
 	wx_napi_enable_all(wx);
 
-	phylink_start(wx->phylink);
+	switch (wx->mac.type) {
+	case wx_mac_aml40:
+		reg = rd32(wx, TXGBE_AML_MAC_TX_CFG);
+		reg &= ~TXGBE_AML_MAC_TX_CFG_SPEED_MASK;
+		reg |= TXGBE_AML_MAC_TX_CFG_SPEED_40G;
+		wr32(wx, WX_MAC_TX_CFG, reg);
+		txgbe_enable_sec_tx_path(wx);
+		netif_carrier_on(wx->netdev);
+		break;
+	case wx_mac_aml:
+		/* Enable TX laser */
+		wr32m(wx, WX_GPIO_DR, TXGBE_GPIOBIT_1, 0);
+		txgbe_setup_link(wx);
+		phylink_start(wx->phylink);
+		break;
+	case wx_mac_sp:
+		phylink_start(wx->phylink);
+		break;
+	default:
+		break;
+	}
 
 	/* clear any pending interrupts, may auto mask */
 	rd32(wx, WX_PX_IC(0));
@@ -99,6 +183,13 @@ static void txgbe_up_complete(struct wx *wx)
 
 	/* enable transmits */
 	netif_tx_start_all_queues(netdev);
+	mod_timer(&wx->service_timer, jiffies);
+
+	/* Set PF Reset Done bit so PF/VF Mail Ops can work */
+	wr32m(wx, WX_CFG_PORT_CTL, WX_CFG_PORT_CTL_PFRSTD,
+	      WX_CFG_PORT_CTL_PFRSTD);
+	/* update setting rx tx for all active vfs */
+	wx_set_all_vfs(wx);
 }
 
 static void txgbe_reset(struct wx *wx)
@@ -116,6 +207,9 @@ static void txgbe_reset(struct wx *wx)
 	memcpy(old_addr, &wx->mac_table[0].addr, netdev->addr_len);
 	wx_flush_sw_mac_table(wx);
 	wx_mac_set_default_filter(wx, old_addr);
+
+	if (test_bit(WX_STATE_PTP_RUNNING, wx->state))
+		wx_ptp_reset(wx);
 }
 
 static void txgbe_disable_device(struct wx *wx)
@@ -138,12 +232,24 @@ static void txgbe_disable_device(struct wx *wx)
 	wx_irq_disable(wx);
 	wx_napi_disable_all(wx);
 
+	timer_delete_sync(&wx->service_timer);
+
 	if (wx->bus.func < 2)
 		wr32m(wx, TXGBE_MIS_PRB_CTL, TXGBE_MIS_PRB_CTL_LAN_UP(wx->bus.func), 0);
 	else
 		wx_err(wx, "%s: invalid bus lan id %d\n",
 		       __func__, wx->bus.func);
 
+	if (wx->num_vfs) {
+		/* Clear EITR Select mapping */
+		wr32(wx, WX_PX_ITRSEL, 0);
+		/* Mark all the VFs as inactive */
+		for (i = 0; i < wx->num_vfs; i++)
+			wx->vfinfo[i].clear_to_send = 0;
+		/* update setting rx tx for all active vfs */
+		wx_set_all_vfs(wx);
+	}
+
 	if (!(((wx->subsystem_device_id & WX_NCSI_MASK) == WX_NCSI_SUP) ||
 	      ((wx->subsystem_device_id & WX_WOL_MASK) == WX_WOL_SUP))) {
 		/* disable mac transmiter */
@@ -167,7 +273,22 @@ void txgbe_down(struct wx *wx)
 {
 	txgbe_disable_device(wx);
 	txgbe_reset(wx);
-	phylink_stop(wx->phylink);
+
+	switch (wx->mac.type) {
+	case wx_mac_aml40:
+		netif_carrier_off(wx->netdev);
+		break;
+	case wx_mac_aml:
+		phylink_stop(wx->phylink);
+		/* Disable TX laser */
+		wr32m(wx, WX_GPIO_DR, TXGBE_GPIOBIT_1, TXGBE_GPIOBIT_1);
+		break;
+	case wx_mac_sp:
+		phylink_stop(wx->phylink);
+		break;
+	default:
+		break;
+	}
 
 	wx_clean_all_tx_rings(wx);
 	wx_clean_all_rx_rings(wx);
@@ -176,6 +297,7 @@ void txgbe_down(struct wx *wx)
 void txgbe_up(struct wx *wx)
 {
 	wx_configure(wx);
+	wx_ptp_init(wx);
 	txgbe_up_complete(wx);
 }
 
@@ -192,6 +314,16 @@ static void txgbe_init_type_code(struct wx *wx)
 	case TXGBE_DEV_ID_WX1820:
 		wx->mac.type = wx_mac_sp;
 		break;
+	case TXGBE_DEV_ID_AML5010:
+	case TXGBE_DEV_ID_AML5110:
+	case TXGBE_DEV_ID_AML5025:
+	case TXGBE_DEV_ID_AML5125:
+		wx->mac.type = wx_mac_aml;
+		break;
+	case TXGBE_DEV_ID_AML5040:
+	case TXGBE_DEV_ID_AML5140:
+		wx->mac.type = wx_mac_aml40;
+		break;
 	default:
 		wx->mac.type = wx_mac_unknown;
 		break;
@@ -199,25 +331,25 @@ static void txgbe_init_type_code(struct wx *wx)
 
 	switch (device_type) {
 	case TXGBE_ID_SFP:
-		wx->media_type = sp_media_fiber;
+		wx->media_type = wx_media_fiber;
 		break;
 	case TXGBE_ID_XAUI:
 	case TXGBE_ID_SGMII:
-		wx->media_type = sp_media_copper;
+		wx->media_type = wx_media_copper;
 		break;
 	case TXGBE_ID_KR_KX_KX4:
 	case TXGBE_ID_MAC_XAUI:
 	case TXGBE_ID_MAC_SGMII:
-		wx->media_type = sp_media_backplane;
+		wx->media_type = wx_media_backplane;
 		break;
 	case TXGBE_ID_SFI_XAUI:
 		if (wx->bus.func == 0)
-			wx->media_type = sp_media_fiber;
+			wx->media_type = wx_media_fiber;
 		else
-			wx->media_type = sp_media_copper;
+			wx->media_type = wx_media_copper;
 		break;
 	default:
-		wx->media_type = sp_media_unknown;
+		wx->media_type = wx_media_unknown;
 		break;
 	}
 }
@@ -231,13 +363,13 @@ static int txgbe_sw_init(struct wx *wx)
 	u16 msix_count = 0;
 	int err;
 
-	wx->mac.num_rar_entries = TXGBE_SP_RAR_ENTRIES;
-	wx->mac.max_tx_queues = TXGBE_SP_MAX_TX_QUEUES;
-	wx->mac.max_rx_queues = TXGBE_SP_MAX_RX_QUEUES;
-	wx->mac.mcft_size = TXGBE_SP_MC_TBL_SIZE;
-	wx->mac.vft_size = TXGBE_SP_VFT_TBL_SIZE;
-	wx->mac.rx_pb_size = TXGBE_SP_RX_PB_SIZE;
-	wx->mac.tx_pb_size = TXGBE_SP_TDB_PB_SZ;
+	wx->mac.num_rar_entries = TXGBE_RAR_ENTRIES;
+	wx->mac.max_tx_queues = TXGBE_MAX_TXQ;
+	wx->mac.max_rx_queues = TXGBE_MAX_RXQ;
+	wx->mac.mcft_size = TXGBE_MC_TBL_SIZE;
+	wx->mac.vft_size = TXGBE_VFT_TBL_SIZE;
+	wx->mac.rx_pb_size = TXGBE_RX_PB_SIZE;
+	wx->mac.tx_pb_size = TXGBE_TDB_PB_SZ;
 
 	/* PCI config space info */
 	err = wx_sw_init(wx);
@@ -257,6 +389,17 @@ static int txgbe_sw_init(struct wx *wx)
 						   num_online_cpus());
 	wx->rss_enabled = true;
 
+	wx->ring_feature[RING_F_FDIR].limit = min_t(int, TXGBE_MAX_FDIR_INDICES,
+						    num_online_cpus());
+	set_bit(WX_FLAG_FDIR_CAPABLE, wx->flags);
+	set_bit(WX_FLAG_FDIR_HASH, wx->flags);
+	wx->atr_sample_rate = TXGBE_DEFAULT_ATR_SAMPLE_RATE;
+	wx->atr = txgbe_atr;
+	wx->configure_fdir = txgbe_configure_fdir;
+
+	set_bit(WX_FLAG_RSC_CAPABLE, wx->flags);
+	set_bit(WX_FLAG_MULTI_64_FUNC, wx->flags);
+
 	/* enable itr by default in dynamic mode */
 	wx->rx_itr_setting = 1;
 	wx->tx_itr_setting = 1;
@@ -264,14 +407,37 @@ static int txgbe_sw_init(struct wx *wx)
 	/* set default ring sizes */
 	wx->tx_ring_count = TXGBE_DEFAULT_TXD;
 	wx->rx_ring_count = TXGBE_DEFAULT_RXD;
+	wx->mbx.size = WX_VXMAILBOX_SIZE;
 
 	/* set default work limits */
 	wx->tx_work_limit = TXGBE_DEFAULT_TX_WORK;
 	wx->rx_work_limit = TXGBE_DEFAULT_RX_WORK;
 
+	wx->setup_tc = txgbe_setup_tc;
+	wx->do_reset = txgbe_do_reset;
+	set_bit(0, &wx->fwd_bitmask);
+
+	switch (wx->mac.type) {
+	case wx_mac_sp:
+		break;
+	case wx_mac_aml:
+	case wx_mac_aml40:
+		set_bit(WX_FLAG_SWFW_RING, wx->flags);
+		wx->swfw_index = 0;
+		break;
+	default:
+		break;
+	}
+
 	return 0;
 }
 
+static void txgbe_init_fdir(struct txgbe *txgbe)
+{
+	txgbe->fdir_filter_count = 0;
+	spin_lock_init(&txgbe->fdir_perfect_lock);
+}
+
 /**
  * txgbe_open - Called when a network interface is made active
  * @netdev: network interface device structure
@@ -292,9 +458,9 @@ static int txgbe_open(struct net_device *netdev)
 
 	wx_configure(wx);
 
-	err = txgbe_request_irq(wx);
+	err = txgbe_request_queue_irqs(wx);
 	if (err)
-		goto err_free_isb;
+		goto err_free_resources;
 
 	/* Notify the stack of the actual queue counts. */
 	err = netif_set_real_num_tx_queues(netdev, wx->num_tx_queues);
@@ -305,14 +471,16 @@ static int txgbe_open(struct net_device *netdev)
 	if (err)
 		goto err_free_irq;
 
+	wx_ptp_init(wx);
+
 	txgbe_up_complete(wx);
 
 	return 0;
 
 err_free_irq:
 	wx_free_irq(wx);
-err_free_isb:
-	wx_free_isb_resources(wx);
+err_free_resources:
+	wx_free_resources(wx);
 err_reset:
 	txgbe_reset(wx);
 
@@ -328,6 +496,7 @@ err_reset:
  */
 static void txgbe_close_suspend(struct wx *wx)
 {
+	wx_ptp_suspend(wx);
 	txgbe_disable_device(wx);
 	wx_free_resources(wx);
 }
@@ -347,9 +516,11 @@ static int txgbe_close(struct net_device *netdev)
 {
 	struct wx *wx = netdev_priv(netdev);
 
+	wx_ptp_stop(wx);
 	txgbe_down(wx);
 	wx_free_irq(wx);
 	wx_free_resources(wx);
+	txgbe_fdir_filter_exit(wx);
 	wx_control_hw(wx, false);
 
 	return 0;
@@ -421,6 +592,67 @@ int txgbe_setup_tc(struct net_device *dev, u8 tc)
 	return 0;
 }
 
+static void txgbe_reinit_locked(struct wx *wx)
+{
+	int err = 0;
+
+	netif_trans_update(wx->netdev);
+
+	err = wx_set_state_reset(wx);
+	if (err) {
+		wx_err(wx, "wait device reset timeout\n");
+		return;
+	}
+
+	txgbe_down(wx);
+	txgbe_up(wx);
+
+	clear_bit(WX_STATE_RESETTING, wx->state);
+}
+
+void txgbe_do_reset(struct net_device *netdev)
+{
+	struct wx *wx = netdev_priv(netdev);
+
+	if (netif_running(netdev))
+		txgbe_reinit_locked(wx);
+	else
+		txgbe_reset(wx);
+}
+
+static int txgbe_udp_tunnel_sync(struct net_device *dev, unsigned int table)
+{
+	struct wx *wx = netdev_priv(dev);
+	struct udp_tunnel_info ti;
+
+	udp_tunnel_nic_get_port(dev, table, 0, &ti);
+	switch (ti.type) {
+	case UDP_TUNNEL_TYPE_VXLAN:
+		wr32(wx, TXGBE_CFG_VXLAN, ntohs(ti.port));
+		break;
+	case UDP_TUNNEL_TYPE_VXLAN_GPE:
+		wr32(wx, TXGBE_CFG_VXLAN_GPE, ntohs(ti.port));
+		break;
+	case UDP_TUNNEL_TYPE_GENEVE:
+		wr32(wx, TXGBE_CFG_GENEVE, ntohs(ti.port));
+		break;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+static const struct udp_tunnel_nic_info txgbe_udp_tunnels = {
+	.sync_table	= txgbe_udp_tunnel_sync,
+	.flags		= UDP_TUNNEL_NIC_INFO_OPEN_ONLY,
+	.tables		= {
+		{ .n_entries = 1, .tunnel_types = UDP_TUNNEL_TYPE_VXLAN, },
+		{ .n_entries = 1, .tunnel_types = UDP_TUNNEL_TYPE_VXLAN_GPE, },
+		{ .n_entries = 1, .tunnel_types = UDP_TUNNEL_TYPE_GENEVE, },
+	},
+};
+
 static const struct net_device_ops txgbe_netdev_ops = {
 	.ndo_open               = txgbe_open,
 	.ndo_stop               = txgbe_close,
@@ -428,11 +660,15 @@ static const struct net_device_ops txgbe_netdev_ops = {
 	.ndo_start_xmit         = wx_xmit_frame,
 	.ndo_set_rx_mode        = wx_set_rx_mode,
 	.ndo_set_features       = wx_set_features,
+	.ndo_fix_features       = wx_fix_features,
+	.ndo_features_check     = wx_features_check,
 	.ndo_validate_addr      = eth_validate_addr,
 	.ndo_set_mac_address    = wx_set_mac,
 	.ndo_get_stats64        = wx_get_stats64,
 	.ndo_vlan_rx_add_vid    = wx_vlan_rx_add_vid,
 	.ndo_vlan_rx_kill_vid   = wx_vlan_rx_kill_vid,
+	.ndo_hwtstamp_set       = wx_hwtstamp_set,
+	.ndo_hwtstamp_get       = wx_hwtstamp_get,
 };
 
 /**
@@ -506,14 +742,19 @@ static int txgbe_probe(struct pci_dev *pdev,
 		goto err_pci_release_regions;
 	}
 
+	/* The sapphire supports up to 63 VFs per pf, but physical
+	 * function also need one pool for basic networking.
+	 */
+	pci_sriov_set_totalvfs(pdev, TXGBE_MAX_VFS_DRV_LIMIT);
 	wx->driver_name = txgbe_driver_name;
 	txgbe_set_ethtool_ops(netdev);
 	netdev->netdev_ops = &txgbe_netdev_ops;
+	netdev->udp_tunnel_nic_info = &txgbe_udp_tunnels;
 
 	/* setup the private structure */
 	err = txgbe_sw_init(wx);
 	if (err)
-		goto err_free_mac_table;
+		goto err_pci_release_regions;
 
 	/* check if flash load is done after hw power up */
 	err = wx_check_flash_load(wx, TXGBE_SPI_ILDR_STATUS_PERST);
@@ -554,6 +795,7 @@ static int txgbe_probe(struct pci_dev *pdev,
 	netdev->features |= NETIF_F_HIGHDMA;
 	netdev->hw_features |= NETIF_F_GRO;
 	netdev->features |= NETIF_F_GRO;
+	netdev->features |= NETIF_F_RX_UDP_TUNNEL_PORT;
 
 	netdev->priv_flags |= IFF_UNICAST_FLT;
 	netdev->priv_flags |= IFF_SUPP_NOFCS;
@@ -575,9 +817,11 @@ static int txgbe_probe(struct pci_dev *pdev,
 	eth_hw_addr_set(netdev, wx->mac.perm_addr);
 	wx_mac_set_default_filter(wx, wx->mac.perm_addr);
 
+	txgbe_init_service(wx);
+
 	err = wx_init_interrupt_scheme(wx);
 	if (err)
-		goto err_free_mac_table;
+		goto err_cancel_service;
 
 	/* Save off EEPROM version number and Option Rom version which
 	 * together make a unique identify for the eeprom
@@ -620,6 +864,13 @@ static int txgbe_probe(struct pci_dev *pdev,
 	if (etrack_id < 0x20010)
 		dev_warn(&pdev->dev, "Please upgrade the firmware to 0x20010 or above.\n");
 
+	err = txgbe_test_hostif(wx);
+	if (err != 0) {
+		dev_err(&pdev->dev, "Mismatched Firmware version\n");
+		err = -EIO;
+		goto err_release_hw;
+	}
+
 	txgbe = devm_kzalloc(&pdev->dev, sizeof(*txgbe), GFP_KERNEL);
 	if (!txgbe) {
 		err = -ENOMEM;
@@ -629,6 +880,8 @@ static int txgbe_probe(struct pci_dev *pdev,
 	txgbe->wx = wx;
 	wx->priv = txgbe;
 
+	txgbe_init_fdir(txgbe);
+
 	err = txgbe_setup_misc_irq(txgbe);
 	if (err)
 		goto err_release_hw;
@@ -668,7 +921,11 @@ err_free_misc_irq:
 err_release_hw:
 	wx_clear_interrupt_scheme(wx);
 	wx_control_hw(wx, false);
+err_cancel_service:
+	timer_delete_sync(&wx->service_timer);
+	cancel_work_sync(&wx->service_task);
 err_free_mac_table:
+	kfree(wx->rss_key);
 	kfree(wx->mac_table);
 err_pci_release_regions:
 	pci_release_selected_regions(pdev,
@@ -693,11 +950,15 @@ static void txgbe_remove(struct pci_dev *pdev)
 	struct txgbe *txgbe = wx->priv;
 	struct net_device *netdev;
 
+	cancel_work_sync(&wx->service_task);
+
 	netdev = wx->netdev;
+	wx_disable_sriov(wx);
 	unregister_netdev(netdev);
 
 	txgbe_remove_phy(txgbe);
 	txgbe_free_misc_irq(txgbe);
+	wx_free_isb_resources(wx);
 
 	pci_release_selected_regions(pdev,
 				     pci_select_bars(pdev, IORESOURCE_MEM));
@@ -715,11 +976,12 @@ static struct pci_driver txgbe_driver = {
 	.probe    = txgbe_probe,
 	.remove   = txgbe_remove,
 	.shutdown = txgbe_shutdown,
+	.sriov_configure = wx_pci_sriov_configure,
 };
 
 module_pci_driver(txgbe_driver);
 
 MODULE_DEVICE_TABLE(pci, txgbe_pci_tbl);
 MODULE_AUTHOR("Beijing WangXun Technology Co., Ltd, <software@trustnetic.com>");
-MODULE_DESCRIPTION("WangXun(R) 10 Gigabit PCI Express Network Driver");
+MODULE_DESCRIPTION("WangXun(R) 10/25/40 Gigabit PCI Express Network Driver");
 MODULE_LICENSE("GPL");