staging: et131x: Put all .c files into one big file

Created one big .c file for the driver, moving the contents of all
driver .c files into it.

Signed-off-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 0 insertions, 793 deletions

diff --git a/drivers/staging/et131x/et1310_tx.c b/drivers/staging/et131x/et1310_tx.c
deleted file mode 100644
index cd12500a265d..000000000000
--- a/drivers/staging/et131x/et1310_tx.c
+++ /dev/null
@@ -1,793 +0,0 @@
-/*
- * Agere Systems Inc.
- * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
- *
- * Copyright © 2005 Agere Systems Inc.
- * All rights reserved.
- *   http://www.agere.com
- *
- * Copyright (c) 2011 Mark Einon <mark.einon@gmail.com>
- *
- *------------------------------------------------------------------------------
- *
- * et1310_tx.c - Routines used to perform data transmission.
- *
- *------------------------------------------------------------------------------
- *
- * SOFTWARE LICENSE
- *
- * This software is provided subject to the following terms and conditions,
- * which you should read carefully before using the software.  Using this
- * software indicates your acceptance of these terms and conditions.  If you do
- * not agree with these terms and conditions, do not use the software.
- *
- * Copyright © 2005 Agere Systems Inc.
- * All rights reserved.
- *
- * Redistribution and use in source or binary forms, with or without
- * modifications, are permitted provided that the following conditions are met:
- *
- * . Redistributions of source code must retain the above copyright notice, this
- *    list of conditions and the following Disclaimer as comments in the code as
- *    well as in the documentation and/or other materials provided with the
- *    distribution.
- *
- * . Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following Disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- *
- * . Neither the name of Agere Systems Inc. nor the names of the contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * Disclaimer
- *
- * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
- * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
- * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- */
-
-#include "et131x_defs.h"
-
-#include <linux/pci.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-
-#include <linux/sched.h>
-#include <linux/ptrace.h>
-#include <linux/slab.h>
-#include <linux/ctype.h>
-#include <linux/string.h>
-#include <linux/timer.h>
-#include <linux/interrupt.h>
-#include <linux/in.h>
-#include <linux/delay.h>
-#include <linux/io.h>
-#include <linux/bitops.h>
-#include <asm/system.h>
-
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/skbuff.h>
-#include <linux/if_arp.h>
-#include <linux/ioport.h>
-#include <linux/phy.h>
-
-#include "et1310_phy.h"
-#include "et131x_adapter.h"
-#include "et1310_tx.h"
-#include "et131x.h"
-
-/**
- * et131x_tx_dma_memory_alloc
- * @adapter: pointer to our private adapter structure
- *
- * Returns 0 on success and errno on failure (as defined in errno.h).
- *
- * Allocates memory that will be visible both to the device and to the CPU.
- * The OS will pass us packets, pointers to which we will insert in the Tx
- * Descriptor queue. The device will read this queue to find the packets in
- * memory. The device will update the "status" in memory each time it xmits a
- * packet.
- */
-int et131x_tx_dma_memory_alloc(struct et131x_adapter *adapter)
-{
-	int desc_size = 0;
-	struct tx_ring *tx_ring = &adapter->tx_ring;
-
-	/* Allocate memory for the TCB's (Transmit Control Block) */
-	adapter->tx_ring.tcb_ring =
-		kcalloc(NUM_TCB, sizeof(struct tcb), GFP_ATOMIC | GFP_DMA);
-	if (!adapter->tx_ring.tcb_ring) {
-		dev_err(&adapter->pdev->dev, "Cannot alloc memory for TCBs\n");
-		return -ENOMEM;
-	}
-
-	/* Allocate enough memory for the Tx descriptor ring, and allocate
-	 * some extra so that the ring can be aligned on a 4k boundary.
-	 */
-	desc_size = (sizeof(struct tx_desc) * NUM_DESC_PER_RING_TX) + 4096 - 1;
-	tx_ring->tx_desc_ring =
-	    (struct tx_desc *) pci_alloc_consistent(adapter->pdev, desc_size,
-						    &tx_ring->tx_desc_ring_pa);
-	if (!adapter->tx_ring.tx_desc_ring) {
-		dev_err(&adapter->pdev->dev,
-					"Cannot alloc memory for Tx Ring\n");
-		return -ENOMEM;
-	}
-
-	/* Save physical address
-	 *
-	 * NOTE: pci_alloc_consistent(), used above to alloc DMA regions,
-	 * ALWAYS returns SAC (32-bit) addresses. If DAC (64-bit) addresses
-	 * are ever returned, make sure the high part is retrieved here before
-	 * storing the adjusted address.
-	 */
-	/* Allocate memory for the Tx status block */
-	tx_ring->tx_status = pci_alloc_consistent(adapter->pdev,
-						    sizeof(u32),
-						    &tx_ring->tx_status_pa);
-	if (!adapter->tx_ring.tx_status_pa) {
-		dev_err(&adapter->pdev->dev,
-				  "Cannot alloc memory for Tx status block\n");
-		return -ENOMEM;
-	}
-	return 0;
-}
-
-/**
- * et131x_tx_dma_memory_free - Free all memory allocated within this module
- * @adapter: pointer to our private adapter structure
- *
- * Returns 0 on success and errno on failure (as defined in errno.h).
- */
-void et131x_tx_dma_memory_free(struct et131x_adapter *adapter)
-{
-	int desc_size = 0;
-
-	if (adapter->tx_ring.tx_desc_ring) {
-		/* Free memory relating to Tx rings here */
-		desc_size = (sizeof(struct tx_desc) * NUM_DESC_PER_RING_TX)
-								+ 4096 - 1;
-		pci_free_consistent(adapter->pdev,
-				    desc_size,
-				    adapter->tx_ring.tx_desc_ring,
-				    adapter->tx_ring.tx_desc_ring_pa);
-		adapter->tx_ring.tx_desc_ring = NULL;
-	}
-
-	/* Free memory for the Tx status block */
-	if (adapter->tx_ring.tx_status) {
-		pci_free_consistent(adapter->pdev,
-				    sizeof(u32),
-				    adapter->tx_ring.tx_status,
-				    adapter->tx_ring.tx_status_pa);
-
-		adapter->tx_ring.tx_status = NULL;
-	}
-	/* Free the memory for the tcb structures */
-	kfree(adapter->tx_ring.tcb_ring);
-}
-
-/**
- * et131x_config_tx_dma_regs - Set up the tx dma section of the JAGCore.
- * @adapter: pointer to our private adapter structure
- *
- * Configure the transmit engine with the ring buffers we have created
- * and prepare it for use.
- */
-void et131x_config_tx_dma_regs(struct et131x_adapter *adapter)
-{
-	struct txdma_regs __iomem *txdma = &adapter->regs->txdma;
-
-	/* Load the hardware with the start of the transmit descriptor ring. */
-	writel((u32) ((u64)adapter->tx_ring.tx_desc_ring_pa >> 32),
-	       &txdma->pr_base_hi);
-	writel((u32) adapter->tx_ring.tx_desc_ring_pa,
-	       &txdma->pr_base_lo);
-
-	/* Initialise the transmit DMA engine */
-	writel(NUM_DESC_PER_RING_TX - 1, &txdma->pr_num_des);
-
-	/* Load the completion writeback physical address */
-	writel((u32)((u64)adapter->tx_ring.tx_status_pa >> 32),
-						&txdma->dma_wb_base_hi);
-	writel((u32)adapter->tx_ring.tx_status_pa, &txdma->dma_wb_base_lo);
-
-	*adapter->tx_ring.tx_status = 0;
-
-	writel(0, &txdma->service_request);
-	adapter->tx_ring.send_idx = 0;
-}
-
-/**
- * et131x_tx_dma_disable - Stop of Tx_DMA on the ET1310
- * @adapter: pointer to our adapter structure
- */
-void et131x_tx_dma_disable(struct et131x_adapter *adapter)
-{
-	/* Setup the tramsmit dma configuration register */
-	writel(ET_TXDMA_CSR_HALT|ET_TXDMA_SNGL_EPKT,
-					&adapter->regs->txdma.csr);
-}
-
-/**
- * et131x_tx_dma_enable - re-start of Tx_DMA on the ET1310.
- * @adapter: pointer to our adapter structure
- *
- * Mainly used after a return to the D0 (full-power) state from a lower state.
- */
-void et131x_tx_dma_enable(struct et131x_adapter *adapter)
-{
-	/* Setup the transmit dma configuration register for normal
-	 * operation
-	 */
-	writel(ET_TXDMA_SNGL_EPKT|(PARM_DMA_CACHE_DEF << ET_TXDMA_CACHE_SHIFT),
-					&adapter->regs->txdma.csr);
-}
-
-/**
- * et131x_init_send - Initialize send data structures
- * @adapter: pointer to our private adapter structure
- */
-void et131x_init_send(struct et131x_adapter *adapter)
-{
-	struct tcb *tcb;
-	u32 ct;
-	struct tx_ring *tx_ring;
-
-	/* Setup some convenience pointers */
-	tx_ring = &adapter->tx_ring;
-	tcb = adapter->tx_ring.tcb_ring;
-
-	tx_ring->tcb_qhead = tcb;
-
-	memset(tcb, 0, sizeof(struct tcb) * NUM_TCB);
-
-	/* Go through and set up each TCB */
-	for (ct = 0; ct++ < NUM_TCB; tcb++)
-		/* Set the link pointer in HW TCB to the next TCB in the
-		 * chain
-		 */
-		tcb->next = tcb + 1;
-
-	/* Set the  tail pointer */
-	tcb--;
-	tx_ring->tcb_qtail = tcb;
-	tcb->next = NULL;
-	/* Curr send queue should now be empty */
-	tx_ring->send_head = NULL;
-	tx_ring->send_tail = NULL;
-}
-
-/**
- * nic_send_packet - NIC specific send handler for version B silicon.
- * @adapter: pointer to our adapter
- * @tcb: pointer to struct tcb
- *
- * Returns 0 or errno.
- */
-static int nic_send_packet(struct et131x_adapter *adapter, struct tcb *tcb)
-{
-	u32 i;
-	struct tx_desc desc[24];	/* 24 x 16 byte */
-	u32 frag = 0;
-	u32 thiscopy, remainder;
-	struct sk_buff *skb = tcb->skb;
-	u32 nr_frags = skb_shinfo(skb)->nr_frags + 1;
-	struct skb_frag_struct *frags = &skb_shinfo(skb)->frags[0];
-	unsigned long flags;
-	struct phy_device *phydev = adapter->phydev;
-
-	/* Part of the optimizations of this send routine restrict us to
-	 * sending 24 fragments at a pass.  In practice we should never see
-	 * more than 5 fragments.
-	 *
-	 * NOTE: The older version of this function (below) can handle any
-	 * number of fragments. If needed, we can call this function,
-	 * although it is less efficient.
-	 */
-	if (nr_frags > 23)
-		return -EIO;
-
-	memset(desc, 0, sizeof(struct tx_desc) * (nr_frags + 1));
-
-	for (i = 0; i < nr_frags; i++) {
-		/* If there is something in this element, lets get a
-		 * descriptor from the ring and get the necessary data
-		 */
-		if (i == 0) {
-			/* If the fragments are smaller than a standard MTU,
-			 * then map them to a single descriptor in the Tx
-			 * Desc ring. However, if they're larger, as is
-			 * possible with support for jumbo packets, then
-			 * split them each across 2 descriptors.
-			 *
-			 * This will work until we determine why the hardware
-			 * doesn't seem to like large fragments.
-			 */
-			if ((skb->len - skb->data_len) <= 1514) {
-				desc[frag].addr_hi = 0;
-				/* Low 16bits are length, high is vlan and
-				   unused currently so zero */
-				desc[frag].len_vlan =
-					skb->len - skb->data_len;
-
-				/* NOTE: Here, the dma_addr_t returned from
-				 * pci_map_single() is implicitly cast as a
-				 * u32. Although dma_addr_t can be
-				 * 64-bit, the address returned by
-				 * pci_map_single() is always 32-bit
-				 * addressable (as defined by the pci/dma
-				 * subsystem)
-				 */
-				desc[frag++].addr_lo =
-				    pci_map_single(adapter->pdev,
-						   skb->data,
-						   skb->len -
-						   skb->data_len,
-						   PCI_DMA_TODEVICE);
-			} else {
-				desc[frag].addr_hi = 0;
-				desc[frag].len_vlan =
-				    (skb->len - skb->data_len) / 2;
-
-				/* NOTE: Here, the dma_addr_t returned from
-				 * pci_map_single() is implicitly cast as a
-				 * u32. Although dma_addr_t can be
-				 * 64-bit, the address returned by
-				 * pci_map_single() is always 32-bit
-				 * addressable (as defined by the pci/dma
-				 * subsystem)
-				 */
-				desc[frag++].addr_lo =
-				    pci_map_single(adapter->pdev,
-						   skb->data,
-						   ((skb->len -
-						     skb->data_len) / 2),
-						   PCI_DMA_TODEVICE);
-				desc[frag].addr_hi = 0;
-
-				desc[frag].len_vlan =
-				    (skb->len - skb->data_len) / 2;
-
-				/* NOTE: Here, the dma_addr_t returned from
-				 * pci_map_single() is implicitly cast as a
-				 * u32. Although dma_addr_t can be
-				 * 64-bit, the address returned by
-				 * pci_map_single() is always 32-bit
-				 * addressable (as defined by the pci/dma
-				 * subsystem)
-				 */
-				desc[frag++].addr_lo =
-				    pci_map_single(adapter->pdev,
-						   skb->data +
-						   ((skb->len -
-						     skb->data_len) / 2),
-						   ((skb->len -
-						     skb->data_len) / 2),
-						   PCI_DMA_TODEVICE);
-			}
-		} else {
-			desc[frag].addr_hi = 0;
-			desc[frag].len_vlan =
-					frags[i - 1].size;
-
-			/* NOTE: Here, the dma_addr_t returned from
-			 * pci_map_page() is implicitly cast as a u32.
-			 * Although dma_addr_t can be 64-bit, the address
-			 * returned by pci_map_page() is always 32-bit
-			 * addressable (as defined by the pci/dma subsystem)
-			 */
-			desc[frag++].addr_lo =
-			    pci_map_page(adapter->pdev,
-					 frags[i - 1].page,
-					 frags[i - 1].page_offset,
-					 frags[i - 1].size,
-					 PCI_DMA_TODEVICE);
-		}
-	}
-
-	if (frag == 0)
-		return -EIO;
-
-	if (phydev && phydev->speed == SPEED_1000) {
-		if (++adapter->tx_ring.since_irq == PARM_TX_NUM_BUFS_DEF) {
-			/* Last element & Interrupt flag */
-			desc[frag - 1].flags = 0x5;
-			adapter->tx_ring.since_irq = 0;
-		} else { /* Last element */
-			desc[frag - 1].flags = 0x1;
-		}
-	} else
-		desc[frag - 1].flags = 0x5;
-
-	desc[0].flags |= 2;	/* First element flag */
-
-	tcb->index_start = adapter->tx_ring.send_idx;
-	tcb->stale = 0;
-
-	spin_lock_irqsave(&adapter->send_hw_lock, flags);
-
-	thiscopy = NUM_DESC_PER_RING_TX -
-				INDEX10(adapter->tx_ring.send_idx);
-
-	if (thiscopy >= frag) {
-		remainder = 0;
-		thiscopy = frag;
-	} else {
-		remainder = frag - thiscopy;
-	}
-
-	memcpy(adapter->tx_ring.tx_desc_ring +
-	       INDEX10(adapter->tx_ring.send_idx), desc,
-	       sizeof(struct tx_desc) * thiscopy);
-
-	add_10bit(&adapter->tx_ring.send_idx, thiscopy);
-
-	if (INDEX10(adapter->tx_ring.send_idx) == 0 ||
-		  INDEX10(adapter->tx_ring.send_idx) == NUM_DESC_PER_RING_TX) {
-		adapter->tx_ring.send_idx &= ~ET_DMA10_MASK;
-		adapter->tx_ring.send_idx ^= ET_DMA10_WRAP;
-	}
-
-	if (remainder) {
-		memcpy(adapter->tx_ring.tx_desc_ring,
-		       desc + thiscopy,
-		       sizeof(struct tx_desc) * remainder);
-
-		add_10bit(&adapter->tx_ring.send_idx, remainder);
-	}
-
-	if (INDEX10(adapter->tx_ring.send_idx) == 0) {
-		if (adapter->tx_ring.send_idx)
-			tcb->index = NUM_DESC_PER_RING_TX - 1;
-		else
-			tcb->index = ET_DMA10_WRAP|(NUM_DESC_PER_RING_TX - 1);
-	} else
-		tcb->index = adapter->tx_ring.send_idx - 1;
-
-	spin_lock(&adapter->tcb_send_qlock);
-
-	if (adapter->tx_ring.send_tail)
-		adapter->tx_ring.send_tail->next = tcb;
-	else
-		adapter->tx_ring.send_head = tcb;
-
-	adapter->tx_ring.send_tail = tcb;
-
-	WARN_ON(tcb->next != NULL);
-
-	adapter->tx_ring.used++;
-
-	spin_unlock(&adapter->tcb_send_qlock);
-
-	/* Write the new write pointer back to the device. */
-	writel(adapter->tx_ring.send_idx,
-	       &adapter->regs->txdma.service_request);
-
-	/* For Gig only, we use Tx Interrupt coalescing.  Enable the software
-	 * timer to wake us up if this packet isn't followed by N more.
-	 */
-	if (phydev && phydev->speed == SPEED_1000) {
-		writel(PARM_TX_TIME_INT_DEF * NANO_IN_A_MICRO,
-		       &adapter->regs->global.watchdog_timer);
-	}
-	spin_unlock_irqrestore(&adapter->send_hw_lock, flags);
-
-	return 0;
-}
-
-/**
- * send_packet - Do the work to send a packet
- * @skb: the packet(s) to send
- * @adapter: a pointer to the device's private adapter structure
- *
- * Return 0 in almost all cases; non-zero value in extreme hard failure only.
- *
- * Assumption: Send spinlock has been acquired
- */
-static int send_packet(struct sk_buff *skb, struct et131x_adapter *adapter)
-{
-	int status;
-	struct tcb *tcb = NULL;
-	u16 *shbufva;
-	unsigned long flags;
-
-	/* All packets must have at least a MAC address and a protocol type */
-	if (skb->len < ETH_HLEN)
-		return -EIO;
-
-	/* Get a TCB for this packet */
-	spin_lock_irqsave(&adapter->tcb_ready_qlock, flags);
-
-	tcb = adapter->tx_ring.tcb_qhead;
-
-	if (tcb == NULL) {
-		spin_unlock_irqrestore(&adapter->tcb_ready_qlock, flags);
-		return -ENOMEM;
-	}
-
-	adapter->tx_ring.tcb_qhead = tcb->next;
-
-	if (adapter->tx_ring.tcb_qhead == NULL)
-		adapter->tx_ring.tcb_qtail = NULL;
-
-	spin_unlock_irqrestore(&adapter->tcb_ready_qlock, flags);
-
-	tcb->skb = skb;
-
-	if (skb->data != NULL && skb->len - skb->data_len >= 6) {
-		shbufva = (u16 *) skb->data;
-
-		if ((shbufva[0] == 0xffff) &&
-		    (shbufva[1] == 0xffff) && (shbufva[2] == 0xffff)) {
-			tcb->flags |= fMP_DEST_BROAD;
-		} else if ((shbufva[0] & 0x3) == 0x0001) {
-			tcb->flags |=  fMP_DEST_MULTI;
-		}
-	}
-
-	tcb->next = NULL;
-
-	/* Call the NIC specific send handler. */
-	status = nic_send_packet(adapter, tcb);
-
-	if (status != 0) {
-		spin_lock_irqsave(&adapter->tcb_ready_qlock, flags);
-
-		if (adapter->tx_ring.tcb_qtail)
-			adapter->tx_ring.tcb_qtail->next = tcb;
-		else
-			/* Apparently ready Q is empty. */
-			adapter->tx_ring.tcb_qhead = tcb;
-
-		adapter->tx_ring.tcb_qtail = tcb;
-		spin_unlock_irqrestore(&adapter->tcb_ready_qlock, flags);
-		return status;
-	}
-	WARN_ON(adapter->tx_ring.used > NUM_TCB);
-	return 0;
-}
-
-/**
- * et131x_send_packets - This function is called by the OS to send packets
- * @skb: the packet(s) to send
- * @netdev:device on which to TX the above packet(s)
- *
- * Return 0 in almost all cases; non-zero value in extreme hard failure only
- */
-int et131x_send_packets(struct sk_buff *skb, struct net_device *netdev)
-{
-	int status = 0;
-	struct et131x_adapter *adapter = NULL;
-
-	adapter = netdev_priv(netdev);
-
-	/* Send these packets
-	 *
-	 * NOTE: The Linux Tx entry point is only given one packet at a time
-	 * to Tx, so the PacketCount and it's array used makes no sense here
-	 */
-
-	/* TCB is not available */
-	if (adapter->tx_ring.used >= NUM_TCB) {
-		/* NOTE: If there's an error on send, no need to queue the
-		 * packet under Linux; if we just send an error up to the
-		 * netif layer, it will resend the skb to us.
-		 */
-		status = -ENOMEM;
-	} else {
-		/* We need to see if the link is up; if it's not, make the
-		 * netif layer think we're good and drop the packet
-		 */
-		if ((adapter->flags & fMP_ADAPTER_FAIL_SEND_MASK) ||
-					!netif_carrier_ok(netdev)) {
-			dev_kfree_skb_any(skb);
-			skb = NULL;
-
-			adapter->net_stats.tx_dropped++;
-		} else {
-			status = send_packet(skb, adapter);
-			if (status != 0 && status != -ENOMEM) {
-				/* On any other error, make netif think we're
-				 * OK and drop the packet
-				 */
-				dev_kfree_skb_any(skb);
-				skb = NULL;
-				adapter->net_stats.tx_dropped++;
-			}
-		}
-	}
-	return status;
-}
-
-/**
- * free_send_packet - Recycle a struct tcb
- * @adapter: pointer to our adapter
- * @tcb: pointer to struct tcb
- *
- * Complete the packet if necessary
- * Assumption - Send spinlock has been acquired
- */
-static inline void free_send_packet(struct et131x_adapter *adapter,
-						struct tcb *tcb)
-{
-	unsigned long flags;
-	struct tx_desc *desc = NULL;
-	struct net_device_stats *stats = &adapter->net_stats;
-
-	if (tcb->flags & fMP_DEST_BROAD)
-		atomic_inc(&adapter->stats.broadcast_pkts_xmtd);
-	else if (tcb->flags & fMP_DEST_MULTI)
-		atomic_inc(&adapter->stats.multicast_pkts_xmtd);
-	else
-		atomic_inc(&adapter->stats.unicast_pkts_xmtd);
-
-	if (tcb->skb) {
-		stats->tx_bytes += tcb->skb->len;
-
-		/* Iterate through the TX descriptors on the ring
-		 * corresponding to this packet and umap the fragments
-		 * they point to
-		 */
-		do {
-			desc = (struct tx_desc *)
-				    (adapter->tx_ring.tx_desc_ring +
-						INDEX10(tcb->index_start));
-
-			pci_unmap_single(adapter->pdev,
-					 desc->addr_lo,
-					 desc->len_vlan, PCI_DMA_TODEVICE);
-
-			add_10bit(&tcb->index_start, 1);
-			if (INDEX10(tcb->index_start) >=
-							NUM_DESC_PER_RING_TX) {
-				tcb->index_start &= ~ET_DMA10_MASK;
-				tcb->index_start ^= ET_DMA10_WRAP;
-			}
-		} while (desc != (adapter->tx_ring.tx_desc_ring +
-				INDEX10(tcb->index)));
-
-		dev_kfree_skb_any(tcb->skb);
-	}
-
-	memset(tcb, 0, sizeof(struct tcb));
-
-	/* Add the TCB to the Ready Q */
-	spin_lock_irqsave(&adapter->tcb_ready_qlock, flags);
-
-	adapter->net_stats.tx_packets++;
-
-	if (adapter->tx_ring.tcb_qtail)
-		adapter->tx_ring.tcb_qtail->next = tcb;
-	else
-		/* Apparently ready Q is empty. */
-		adapter->tx_ring.tcb_qhead = tcb;
-
-	adapter->tx_ring.tcb_qtail = tcb;
-
-	spin_unlock_irqrestore(&adapter->tcb_ready_qlock, flags);
-	WARN_ON(adapter->tx_ring.used < 0);
-}
-
-/**
- * et131x_free_busy_send_packets - Free and complete the stopped active sends
- * @adapter: pointer to our adapter
- *
- * Assumption - Send spinlock has been acquired
- */
-void et131x_free_busy_send_packets(struct et131x_adapter *adapter)
-{
-	struct tcb *tcb;
-	unsigned long flags;
-	u32 freed = 0;
-
-	/* Any packets being sent? Check the first TCB on the send list */
-	spin_lock_irqsave(&adapter->tcb_send_qlock, flags);
-
-	tcb = adapter->tx_ring.send_head;
-
-	while (tcb != NULL && freed < NUM_TCB) {
-		struct tcb *next = tcb->next;
-
-		adapter->tx_ring.send_head = next;
-
-		if (next == NULL)
-			adapter->tx_ring.send_tail = NULL;
-
-		adapter->tx_ring.used--;
-
-		spin_unlock_irqrestore(&adapter->tcb_send_qlock, flags);
-
-		freed++;
-		free_send_packet(adapter, tcb);
-
-		spin_lock_irqsave(&adapter->tcb_send_qlock, flags);
-
-		tcb = adapter->tx_ring.send_head;
-	}
-
-	WARN_ON(freed == NUM_TCB);
-
-	spin_unlock_irqrestore(&adapter->tcb_send_qlock, flags);
-
-	adapter->tx_ring.used = 0;
-}
-
-/**
- * et131x_handle_send_interrupt - Interrupt handler for sending processing
- * @adapter: pointer to our adapter
- *
- * Re-claim the send resources, complete sends and get more to send from
- * the send wait queue.
- *
- * Assumption - Send spinlock has been acquired
- */
-void et131x_handle_send_interrupt(struct et131x_adapter *adapter)
-{
-	unsigned long flags;
-	u32 serviced;
-	struct tcb *tcb;
-	u32 index;
-
-	serviced = readl(&adapter->regs->txdma.new_service_complete);
-	index = INDEX10(serviced);
-
-	/* Has the ring wrapped?  Process any descriptors that do not have
-	 * the same "wrap" indicator as the current completion indicator
-	 */
-	spin_lock_irqsave(&adapter->tcb_send_qlock, flags);
-
-	tcb = adapter->tx_ring.send_head;
-
-	while (tcb &&
-	       ((serviced ^ tcb->index) & ET_DMA10_WRAP) &&
-	       index < INDEX10(tcb->index)) {
-		adapter->tx_ring.used--;
-		adapter->tx_ring.send_head = tcb->next;
-		if (tcb->next == NULL)
-			adapter->tx_ring.send_tail = NULL;
-
-		spin_unlock_irqrestore(&adapter->tcb_send_qlock, flags);
-		free_send_packet(adapter, tcb);
-		spin_lock_irqsave(&adapter->tcb_send_qlock, flags);
-
-		/* Goto the next packet */
-		tcb = adapter->tx_ring.send_head;
-	}
-	while (tcb &&
-	       !((serviced ^ tcb->index) & ET_DMA10_WRAP)
-	       && index > (tcb->index & ET_DMA10_MASK)) {
-		adapter->tx_ring.used--;
-		adapter->tx_ring.send_head = tcb->next;
-		if (tcb->next == NULL)
-			adapter->tx_ring.send_tail = NULL;
-
-		spin_unlock_irqrestore(&adapter->tcb_send_qlock, flags);
-		free_send_packet(adapter, tcb);
-		spin_lock_irqsave(&adapter->tcb_send_qlock, flags);
-
-		/* Goto the next packet */
-		tcb = adapter->tx_ring.send_head;
-	}
-
-	/* Wake up the queue when we hit a low-water mark */
-	if (adapter->tx_ring.used <= NUM_TCB / 3)
-		netif_wake_queue(adapter->netdev);
-
-	spin_unlock_irqrestore(&adapter->tcb_send_qlock, flags);
-}
-