Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-next (e9756398) · Commits · EulixOS / Software / Kernel

drivers/net/ethernet/intel/e1000/e1000_main.c

+10 −0

Original line number	Diff line number	Diff line
		@@ -2014,6 +2014,7 @@ static void e1000_clean_tx_ring(struct e1000_adapter *adapter,
		e1000_unmap_and_free_tx_resource(adapter, buffer_info);
		}

		netdev_reset_queue(adapter->netdev);
		size = sizeof(struct e1000_buffer) * tx_ring->count;
		memset(tx_ring->buffer_info, 0, size);

		@@ -3262,6 +3263,7 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
		nr_frags, mss);

		if (count) {
		netdev_sent_queue(netdev, skb->len);
		skb_tx_timestamp(skb);

		e1000_tx_queue(adapter, tx_ring, tx_flags, count);
		@@ -3849,6 +3851,7 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
		unsigned int i, eop;
		unsigned int count = 0;
		unsigned int total_tx_bytes=0, total_tx_packets=0;
		unsigned int bytes_compl = 0, pkts_compl = 0;

		i = tx_ring->next_to_clean;
		eop = tx_ring->buffer_info[i].next_to_watch;
		@@ -3866,6 +3869,11 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
		if (cleaned) {
		total_tx_packets += buffer_info->segs;
		total_tx_bytes += buffer_info->bytecount;
		if (buffer_info->skb) {
		bytes_compl += buffer_info->skb->len;
		pkts_compl++;
		}

		}
		e1000_unmap_and_free_tx_resource(adapter, buffer_info);
		tx_desc->upper.data = 0;
		@@ -3879,6 +3887,8 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,

		tx_ring->next_to_clean = i;

		netdev_completed_queue(netdev, pkts_compl, bytes_compl);

		#define TX_WAKE_THRESHOLD 32
		if (unlikely(count && netif_carrier_ok(netdev) &&
		E1000_DESC_UNUSED(tx_ring) >= TX_WAKE_THRESHOLD)) {

drivers/net/ethernet/intel/ixgbe/Makefile

+1 −1

Original line number	Diff line number	Diff line
		@@ -32,7 +32,7 @@

		obj-$(CONFIG_IXGBE) += ixgbe.o

		ixgbe-objs := ixgbe_main.o ixgbe_common.o ixgbe_ethtool.o \
		ixgbe-objs := ixgbe_main.o ixgbe_common.o ixgbe_ethtool.o ixgbe_debugfs.o\
		ixgbe_82599.o ixgbe_82598.o ixgbe_phy.o ixgbe_sriov.o \
		ixgbe_mbx.o ixgbe_x540.o ixgbe_lib.o

drivers/net/ethernet/intel/ixgbe/ixgbe.h

+9 −1

Original line number	Diff line number	Diff line
		@@ -597,6 +597,9 @@ struct ixgbe_adapter {
		#ifdef CONFIG_IXGBE_HWMON
		struct hwmon_buff ixgbe_hwmon_buff;
		#endif /* CONFIG_IXGBE_HWMON */
		#ifdef CONFIG_DEBUG_FS
		struct dentry *ixgbe_dbg_adapter;
		#endif /CONFIG_DEBUG_FS/
		};

		struct ixgbe_fdir_filter {
		@@ -725,7 +728,12 @@ extern int ixgbe_fcoe_get_hbainfo(struct net_device *netdev,
		struct netdev_fcoe_hbainfo *info);
		extern u8 ixgbe_fcoe_get_tc(struct ixgbe_adapter *adapter);
		#endif /* IXGBE_FCOE */

		#ifdef CONFIG_DEBUG_FS
		extern void ixgbe_dbg_adapter_init(struct ixgbe_adapter *adapter);
		extern void ixgbe_dbg_adapter_exit(struct ixgbe_adapter *adapter);
		extern void ixgbe_dbg_init(void);
		extern void ixgbe_dbg_exit(void);
		#endif /* CONFIG_DEBUG_FS */
		static inline struct netdev_queue txring_txq(const struct ixgbe_ring ring)
		{
		return netdev_get_tx_queue(ring->netdev, ring->queue_index);

drivers/net/ethernet/intel/ixgbe/ixgbe_debugfs.c

0 → 100644

+300 −0

Original line number	Diff line number	Diff line
		/*******************************************************************************

		Intel 10 Gigabit PCI Express Linux driver
		Copyright(c) 1999 - 2012 Intel Corporation.

		This program is free software; you can redistribute it and/or modify it
		under the terms and conditions of the GNU General Public License,
		version 2, as published by the Free Software Foundation.

		This program is distributed in the hope it will be useful, but WITHOUT
		ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
		FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
		more details.

		You should have received a copy of the GNU General Public License along with
		this program; if not, write to the Free Software Foundation, Inc.,
		51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.

		The full GNU General Public License is included in this distribution in
		the file called "COPYING".

		Contact Information:
		e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
		Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497

		*******************************************************************************/

		#ifdef CONFIG_DEBUG_FS

		#include <linux/debugfs.h>
		#include <linux/module.h>

		#include "ixgbe.h"

		static struct dentry *ixgbe_dbg_root;

		static char ixgbe_dbg_reg_ops_buf[256] = "";

		/**
		* ixgbe_dbg_reg_ops_open - prep the debugfs pokee data item when opened
		* @inode: inode that was opened
		* @filp: file info
		*
		* Stash the adapter pointer hiding in the inode into the file pointer where
		* we can find it later in the read and write calls
		**/
		static int ixgbe_dbg_reg_ops_open(struct inode inode, struct file filp)
		{
		filp->private_data = inode->i_private;
		return 0;
		}

		/**
		* ixgbe_dbg_reg_ops_read - read for reg_ops datum
		* @filp: the opened file
		* @buffer: where to write the data for the user to read
		* @count: the size of the user's buffer
		* @ppos: file position offset
		**/
		static ssize_t ixgbe_dbg_reg_ops_read(struct file filp, char __user buffer,
		size_t count, loff_t *ppos)
		{
		struct ixgbe_adapter *adapter = filp->private_data;
		char buf[256];
		int bytes_not_copied;
		int len;

		/* don't allow partial reads */
		if (*ppos != 0)
		return 0;

		len = snprintf(buf, sizeof(buf), "%s: %s\n",
		adapter->netdev->name, ixgbe_dbg_reg_ops_buf);
		if (count < len)
		return -ENOSPC;
		bytes_not_copied = copy_to_user(buffer, buf, len);
		if (bytes_not_copied < 0)
		return bytes_not_copied;

		*ppos = len;
		return len;
		}

		/**
		* ixgbe_dbg_reg_ops_write - write into reg_ops datum
		* @filp: the opened file
		* @buffer: where to find the user's data
		* @count: the length of the user's data
		* @ppos: file position offset
		**/
		static ssize_t ixgbe_dbg_reg_ops_write(struct file *filp,
		const char __user *buffer,
		size_t count, loff_t *ppos)
		{
		struct ixgbe_adapter *adapter = filp->private_data;
		int bytes_not_copied;

		/* don't allow partial writes */
		if (*ppos != 0)
		return 0;
		if (count >= sizeof(ixgbe_dbg_reg_ops_buf))
		return -ENOSPC;

		bytes_not_copied = copy_from_user(ixgbe_dbg_reg_ops_buf, buffer, count);
		if (bytes_not_copied < 0)
		return bytes_not_copied;
		else if (bytes_not_copied < count)
		count -= bytes_not_copied;
		else
		return -ENOSPC;
		ixgbe_dbg_reg_ops_buf[count] = '\0';

		if (strncmp(ixgbe_dbg_reg_ops_buf, "write", 5) == 0) {
		u32 reg, value;
		int cnt;
		cnt = sscanf(&ixgbe_dbg_reg_ops_buf[5], "%x %x", &reg, &value);
		if (cnt == 2) {
		IXGBE_WRITE_REG(&adapter->hw, reg, value);
		value = IXGBE_READ_REG(&adapter->hw, reg);
		e_dev_info("write: 0x%08x = 0x%08x\n", reg, value);
		} else {
		e_dev_info("write <reg> <value>\n");
		}
		} else if (strncmp(ixgbe_dbg_reg_ops_buf, "read", 4) == 0) {
		u32 reg, value;
		int cnt;
		cnt = sscanf(&ixgbe_dbg_reg_ops_buf[4], "%x", &reg);
		if (cnt == 1) {
		value = IXGBE_READ_REG(&adapter->hw, reg);
		e_dev_info("read 0x%08x = 0x%08x\n", reg, value);
		} else {
		e_dev_info("read <reg>\n");
		}
		} else {
		e_dev_info("Unknown command %s\n", ixgbe_dbg_reg_ops_buf);
		e_dev_info("Available commands:\n");
		e_dev_info(" read <reg>\n");
		e_dev_info(" write <reg> <value>\n");
		}
		return count;
		}

		static const struct file_operations ixgbe_dbg_reg_ops_fops = {
		.owner = THIS_MODULE,
		.open = ixgbe_dbg_reg_ops_open,
		.read = ixgbe_dbg_reg_ops_read,
		.write = ixgbe_dbg_reg_ops_write,
		};

		static char ixgbe_dbg_netdev_ops_buf[256] = "";

		/**
		* ixgbe_dbg_netdev_ops_open - prep the debugfs netdev_ops data item
		* @inode: inode that was opened
		* @filp: file info
		*
		* Stash the adapter pointer hiding in the inode into the file pointer
		* where we can find it later in the read and write calls
		**/
		static int ixgbe_dbg_netdev_ops_open(struct inode inode, struct file filp)
		{
		filp->private_data = inode->i_private;
		return 0;
		}

		/**
		* ixgbe_dbg_netdev_ops_read - read for netdev_ops datum
		* @filp: the opened file
		* @buffer: where to write the data for the user to read
		* @count: the size of the user's buffer
		* @ppos: file position offset
		**/
		static ssize_t ixgbe_dbg_netdev_ops_read(struct file *filp,
		char __user *buffer,
		size_t count, loff_t *ppos)
		{
		struct ixgbe_adapter *adapter = filp->private_data;
		char buf[256];
		int bytes_not_copied;
		int len;

		/* don't allow partial reads */
		if (*ppos != 0)
		return 0;

		len = snprintf(buf, sizeof(buf), "%s: %s\n",
		adapter->netdev->name, ixgbe_dbg_netdev_ops_buf);
		if (count < len)
		return -ENOSPC;
		bytes_not_copied = copy_to_user(buffer, buf, len);
		if (bytes_not_copied < 0)
		return bytes_not_copied;

		*ppos = len;
		return len;
		}

		/**
		* ixgbe_dbg_netdev_ops_write - write into netdev_ops datum
		* @filp: the opened file
		* @buffer: where to find the user's data
		* @count: the length of the user's data
		* @ppos: file position offset
		**/
		static ssize_t ixgbe_dbg_netdev_ops_write(struct file *filp,
		const char __user *buffer,
		size_t count, loff_t *ppos)
		{
		struct ixgbe_adapter *adapter = filp->private_data;
		int bytes_not_copied;

		/* don't allow partial writes */
		if (*ppos != 0)
		return 0;
		if (count >= sizeof(ixgbe_dbg_netdev_ops_buf))
		return -ENOSPC;

		bytes_not_copied = copy_from_user(ixgbe_dbg_netdev_ops_buf,
		buffer, count);
		if (bytes_not_copied < 0)
		return bytes_not_copied;
		else if (bytes_not_copied < count)
		count -= bytes_not_copied;
		else
		return -ENOSPC;
		ixgbe_dbg_netdev_ops_buf[count] = '\0';

		if (strncmp(ixgbe_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) {
		adapter->netdev->netdev_ops->ndo_tx_timeout(adapter->netdev);
		e_dev_info("tx_timeout called\n");
		} else {
		e_dev_info("Unknown command: %s\n", ixgbe_dbg_netdev_ops_buf);
		e_dev_info("Available commands:\n");
		e_dev_info(" tx_timeout\n");
		}
		return count;
		}

		static const struct file_operations ixgbe_dbg_netdev_ops_fops = {
		.owner = THIS_MODULE,
		.open = ixgbe_dbg_netdev_ops_open,
		.read = ixgbe_dbg_netdev_ops_read,
		.write = ixgbe_dbg_netdev_ops_write,
		};

		/**
		* ixgbe_dbg_adapter_init - setup the debugfs directory for the adapter
		* @adapter: the adapter that is starting up
		**/
		void ixgbe_dbg_adapter_init(struct ixgbe_adapter *adapter)
		{
		const char *name = pci_name(adapter->pdev);
		struct dentry *pfile;
		adapter->ixgbe_dbg_adapter = debugfs_create_dir(name, ixgbe_dbg_root);
		if (adapter->ixgbe_dbg_adapter) {
		pfile = debugfs_create_file("reg_ops", 0600,
		adapter->ixgbe_dbg_adapter, adapter,
		&ixgbe_dbg_reg_ops_fops);
		if (!pfile)
		e_dev_err("debugfs reg_ops for %s failed\n", name);
		pfile = debugfs_create_file("netdev_ops", 0600,
		adapter->ixgbe_dbg_adapter, adapter,
		&ixgbe_dbg_netdev_ops_fops);
		if (!pfile)
		e_dev_err("debugfs netdev_ops for %s failed\n", name);
		} else {
		e_dev_err("debugfs entry for %s failed\n", name);
		}
		}

		/**
		* ixgbe_dbg_adapter_exit - clear out the adapter's debugfs entries
		* @pf: the pf that is stopping
		**/
		void ixgbe_dbg_adapter_exit(struct ixgbe_adapter *adapter)
		{
		if (adapter->ixgbe_dbg_adapter)
		debugfs_remove_recursive(adapter->ixgbe_dbg_adapter);
		adapter->ixgbe_dbg_adapter = NULL;
		}

		/**
		* ixgbe_dbg_init - start up debugfs for the driver
		**/
		void ixgbe_dbg_init(void)
		{
		ixgbe_dbg_root = debugfs_create_dir(ixgbe_driver_name, NULL);
		if (ixgbe_dbg_root == NULL)
		pr_err("init of debugfs failed\n");
		}

		/**
		* ixgbe_dbg_exit - clean out the driver's debugfs entries
		**/
		void ixgbe_dbg_exit(void)
		{
		debugfs_remove_recursive(ixgbe_dbg_root);
		}

		#endif /* CONFIG_DEBUG_FS */

drivers/net/ethernet/intel/ixgbe/ixgbe_main.c

+39 −21

Original line number	Diff line number	Diff line
		@@ -1785,7 +1785,8 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
		unsigned int total_rx_bytes = 0, total_rx_packets = 0;
		#ifdef IXGBE_FCOE
		struct ixgbe_adapter *adapter = q_vector->adapter;
		int ddp_bytes = 0;
		int ddp_bytes;
		unsigned int mss = 0;
		#endif /* IXGBE_FCOE */
		u16 cleaned_count = ixgbe_desc_unused(rx_ring);

		@@ -1839,6 +1840,20 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
		/* if ddp, not passing to ULD unless for FCP_RSP or error */
		if (ixgbe_rx_is_fcoe(rx_ring, rx_desc)) {
		ddp_bytes = ixgbe_fcoe_ddp(adapter, rx_desc, skb);
		/* include DDPed FCoE data */
		if (ddp_bytes > 0) {
		if (!mss) {
		mss = rx_ring->netdev->mtu -
		sizeof(struct fcoe_hdr) -
		sizeof(struct fc_frame_header) -
		sizeof(struct fcoe_crc_eof);
		if (mss > 512)
		mss &= ~511;
		}
		total_rx_bytes += ddp_bytes;
		total_rx_packets += DIV_ROUND_UP(ddp_bytes,
		mss);
		}
		if (!ddp_bytes) {
		dev_kfree_skb_any(skb);
		continue;
		@@ -1852,21 +1867,6 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
		budget--;
		} while (likely(budget));

		#ifdef IXGBE_FCOE
		/* include DDPed FCoE data */
		if (ddp_bytes > 0) {
		unsigned int mss;

		mss = rx_ring->netdev->mtu - sizeof(struct fcoe_hdr) -
		sizeof(struct fc_frame_header) -
		sizeof(struct fcoe_crc_eof);
		if (mss > 512)
		mss &= ~511;
		total_rx_bytes += ddp_bytes;
		total_rx_packets += DIV_ROUND_UP(ddp_bytes, mss);
		}

		#endif /* IXGBE_FCOE */
		u64_stats_update_begin(&rx_ring->syncp);
		rx_ring->stats.packets += total_rx_packets;
		rx_ring->stats.bytes += total_rx_bytes;
		@@ -3660,8 +3660,6 @@ static void ixgbe_configure_dcb(struct ixgbe_adapter *adapter)
		if (hw->mac.type == ixgbe_mac_82598EB)
		netif_set_gso_max_size(adapter->netdev, 32768);

		hw->mac.ops.set_vfta(&adapter->hw, 0, 0, true);

		#ifdef IXGBE_FCOE
		if (adapter->netdev->features & NETIF_F_FCOE_MTU)
		max_frame = max(max_frame, IXGBE_FCOE_JUMBO_FRAME_SIZE);
		@@ -3861,6 +3859,11 @@ static void ixgbe_configure(struct ixgbe_adapter *adapter)
		#ifdef CONFIG_IXGBE_DCB
		ixgbe_configure_dcb(adapter);
		#endif
		/*
		* We must restore virtualization before VLANs or else
		* the VLVF registers will not be populated
		*/
		ixgbe_configure_virtualization(adapter);

		ixgbe_set_rx_mode(adapter->netdev);
		ixgbe_restore_vlan(adapter);
		@@ -3892,8 +3895,6 @@ static void ixgbe_configure(struct ixgbe_adapter *adapter)
		break;
		}

		ixgbe_configure_virtualization(adapter);

		#ifdef IXGBE_FCOE
		/* configure FCoE L2 filters, redirection table, and Rx control */
		ixgbe_configure_fcoe(adapter);
		@@ -5572,7 +5573,7 @@ static void ixgbe_spoof_check(struct ixgbe_adapter *adapter)
		if (!ssvpc)
		return;

		e_warn(drv, "%d Spoofed packets detected\n", ssvpc);
		e_warn(drv, "%u Spoofed packets detected\n", ssvpc);
		}

		/**
		@@ -7447,6 +7448,10 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
		e_err(probe, "failed to allocate sysfs resources\n");
		#endif /* CONFIG_IXGBE_HWMON */

		#ifdef CONFIG_DEBUG_FS
		ixgbe_dbg_adapter_init(adapter);
		#endif /* CONFIG_DEBUG_FS */

		return 0;

		err_register:
		@@ -7481,6 +7486,10 @@ static void __devexit ixgbe_remove(struct pci_dev *pdev)
		struct ixgbe_adapter *adapter = pci_get_drvdata(pdev);
		struct net_device *netdev = adapter->netdev;

		#ifdef CONFIG_DEBUG_FS
		ixgbe_dbg_adapter_exit(adapter);
		#endif /CONFIG_DEBUG_FS /

		set_bit(__IXGBE_DOWN, &adapter->state);
		cancel_work_sync(&adapter->service_task);

		@@ -7736,6 +7745,10 @@ static int __init ixgbe_init_module(void)
		pr_info("%s - version %s\n", ixgbe_driver_string, ixgbe_driver_version);
		pr_info("%s\n", ixgbe_copyright);

		#ifdef CONFIG_DEBUG_FS
		ixgbe_dbg_init();
		#endif /* CONFIG_DEBUG_FS */

		#ifdef CONFIG_IXGBE_DCA
		dca_register_notify(&dca_notifier);
		#endif
		@@ -7758,6 +7771,11 @@ static void __exit ixgbe_exit_module(void)
		dca_unregister_notify(&dca_notifier);
		#endif
		pci_unregister_driver(&ixgbe_driver);

		#ifdef CONFIG_DEBUG_FS
		ixgbe_dbg_exit();
		#endif /* CONFIG_DEBUG_FS */

		rcu_barrier(); /* Wait for completion of call_rcu()'s */
		}