+++ /dev/null
-From 67d56859d24864af530506c76523f0fc3c5cb502 Mon Sep 17 00:00:00 2001
-From: Alison Wang <b18965@freescale.com>
-Date: Thu, 4 Aug 2011 09:59:44 +0800
-Subject: [PATCH 20/52] Add dual FEC 1588 timer support
-
-Add Modelo dual FEC 1588 function with IXXXAT statck.
-
-Signed-off-by: Alison Wang <b18965@freescale.com>
----
- drivers/net/Kconfig | 6 +
- drivers/net/Makefile | 3 +
- drivers/net/fec.c | 153 ++++++++++++-
- drivers/net/fec.h | 25 ++
- drivers/net/fec_1588.c | 626 ++++++++++++++++++++++++++++++++++++++++++++++++
- drivers/net/fec_1588.h | 195 +++++++++++++++
- 6 files changed, 1006 insertions(+), 2 deletions(-)
- create mode 100644 drivers/net/fec_1588.c
- create mode 100644 drivers/net/fec_1588.h
-
---- a/drivers/net/Kconfig
-+++ b/drivers/net/Kconfig
-@@ -1958,6 +1958,12 @@ config FEC2
- Say Y here if you want to use the second built-in 10/100 Fast
- ethernet controller on some Motorola ColdFire processors.
-
-+config FEC_1588
-+ bool "Enable 1588 interface(on some ColdFire designs)"
-+ depends on M5441X && FEC
-+ help
-+ Say Y here if 1588 function is enabled.
-+
- config FEC_548x
- tristate "MCF547x/MCF548x Fast Ethernet Controller support"
- depends on M547X_8X
---- a/drivers/net/Makefile
-+++ b/drivers/net/Makefile
-@@ -123,6 +123,9 @@ obj-$(CONFIG_PCMCIA_PCNET) += 8390.o
- obj-$(CONFIG_HP100) += hp100.o
- obj-$(CONFIG_SMC9194) += smc9194.o
- obj-$(CONFIG_FEC) += fec.o
-+ifeq ($(CONFIG_FEC_1588), y)
-+obj-$(CONFIG_FEC) += fec_1588.o
-+endif
- obj-$(CONFIG_FEC_548x) += fec_m547x.o
- obj-$(CONFIG_FEC_MPC52xx) += fec_mpc52xx.o
- ifeq ($(CONFIG_FEC_MPC52xx_MDIO),y)
---- a/drivers/net/fec.c
-+++ b/drivers/net/fec.c
-@@ -53,6 +53,7 @@
- #endif
-
- #include "fec.h"
-+#include "fec_1588.h"
-
- #if defined(CONFIG_ARCH_MXC) || defined(CONFIG_SOC_IMX28)
- #define FEC_ALIGNMENT 0xf
-@@ -135,8 +136,15 @@ MODULE_PARM_DESC(macaddr, "FEC Ethernet
- #define FEC_ENET_RXB ((uint)0x01000000) /* A buffer was received */
- #define FEC_ENET_MII ((uint)0x00800000) /* MII interrupt */
- #define FEC_ENET_EBERR ((uint)0x00400000) /* SDMA bus error */
-+#define FEC_ENET_TS_AVAIL ((uint)0x00010000)
-+#define FEC_ENET_TS_TIMER ((uint)0x00008000)
-
-+#if defined(CONFIG_FEC_1588)
-+#define FEC_DEFAULT_IMASK (FEC_ENET_TXF | FEC_ENET_RXF | FEC_ENET_MII | \
-+ FEC_ENET_TS_AVAIL | FEC_ENET_TS_TIMER)
-+#else
- #define FEC_DEFAULT_IMASK (FEC_ENET_TXF | FEC_ENET_RXF | FEC_ENET_MII)
-+#endif
-
- /* The FEC stores dest/src/type, data, and checksum for receive packets.
- */
-@@ -209,6 +217,10 @@ struct fec_enet_private {
- int link;
- int full_duplex;
- struct completion mdio_done;
-+#ifdef CONFIG_FEC_1588
-+ struct fec_ptp_private *ptp_priv;
-+ uint ptimer_present;
-+#endif
- };
-
- static irqreturn_t fec_enet_interrupt(int irq, void * dev_id);
-@@ -252,6 +264,9 @@ fec_enet_start_xmit(struct sk_buff *skb,
- struct bufdesc *bdp;
- void *bufaddr;
- unsigned short status;
-+#ifdef CONFIG_FEC_1588
-+ unsigned long estatus;
-+#endif
- unsigned long flags;
-
- if (!fep->link) {
-@@ -293,6 +308,17 @@ fec_enet_start_xmit(struct sk_buff *skb,
- bufaddr = fep->tx_bounce[index];
- }
-
-+#ifdef CONFIG_FEC_1588
-+ if (fep->ptimer_present) {
-+ if (fec_ptp_do_txstamp(skb))
-+ estatus = BD_ENET_TX_TS;
-+ else
-+ estatus = 0;
-+
-+ bdp->cbd_esc = (estatus | BD_ENET_TX_INT);
-+ bdp->cbd_bdu = 0;
-+ }
-+#endif
- /*
- * Some design made an incorrect assumption on endian mode of
- * the system that it's running on. As the result, driver has to
-@@ -357,6 +383,9 @@ fec_enet_interrupt(int irq, void * dev_i
- {
- struct net_device *dev = dev_id;
- struct fec_enet_private *fep = netdev_priv(dev);
-+#ifdef CONFIG_FEC_1588
-+ struct fec_ptp_private *fpp = fep->ptp_priv;
-+#endif
- uint int_events;
- irqreturn_t ret = IRQ_NONE;
-
-@@ -364,6 +393,10 @@ fec_enet_interrupt(int irq, void * dev_i
- int_events = readl(fep->hwp + FEC_IEVENT);
- writel(int_events, fep->hwp + FEC_IEVENT);
-
-+#ifdef CONFIG_FEC_1588
-+ if (__raw_readb(MCF_DTIM1_DTER) & MCF_DTIM_DTER_REF)
-+ __raw_writeb(MCF_DTIM_DTER_REF, MCF_DTIM1_DTER);
-+#endif
- if (int_events & FEC_ENET_RXF) {
- ret = IRQ_HANDLED;
- fec_enet_rx(dev);
-@@ -378,6 +411,19 @@ fec_enet_interrupt(int irq, void * dev_i
- fec_enet_tx(dev);
- }
-
-+#ifdef CONFIG_FEC_1588
-+ if (int_events & FEC_ENET_TS_AVAIL) {
-+ ret = IRQ_HANDLED;
-+ fec_ptp_store_txstamp(fep->ptp_priv);
-+ }
-+
-+ if (int_events & FEC_ENET_TS_TIMER) {
-+ ret = IRQ_HANDLED;
-+ if (fep->ptimer_present)
-+ fpp->prtc++;
-+ }
-+#endif
-+
- if (int_events & FEC_ENET_MII) {
- ret = IRQ_HANDLED;
- complete(&fep->mdio_done);
-@@ -394,6 +440,9 @@ fec_enet_tx(struct net_device *dev)
- struct fec_enet_private *fep;
- struct bufdesc *bdp;
- unsigned short status;
-+#ifdef CONFIG_FEC_1588
-+ unsigned long estatus;
-+#endif
- struct sk_buff *skb;
-
- fep = netdev_priv(dev);
-@@ -437,6 +486,13 @@ fec_enet_tx(struct net_device *dev)
- if (status & BD_ENET_TX_DEF)
- dev->stats.collisions++;
-
-+#if defined(CONFIG_FEC_1588)
-+ if (fep->ptimer_present) {
-+ estatus = bdp->cbd_esc;
-+ if (estatus & BD_ENET_TX_TS)
-+ fec_ptp_store_txstamp(fep->ptp_priv);
-+ }
-+#endif
- /* Free the sk buffer associated with this last transmit */
- dev_kfree_skb_any(skb);
- fep->tx_skbuff[fep->skb_dirty] = NULL;
-@@ -470,6 +526,9 @@ static void
- fec_enet_rx(struct net_device *dev)
- {
- struct fec_enet_private *fep = netdev_priv(dev);
-+#ifdef CONFIG_FEC_1588
-+ struct fec_ptp_private *fpp = fep->ptp_priv;
-+#endif
- const struct platform_device_id *id_entry =
- platform_get_device_id(fep->pdev);
- struct bufdesc *bdp;
-@@ -554,6 +613,12 @@ fec_enet_rx(struct net_device *dev)
- skb_put(skb, pkt_len - 4); /* Make room */
- skb_copy_to_linear_data(skb, data, pkt_len - 4);
- skb->protocol = eth_type_trans(skb, dev);
-+
-+#ifdef CONFIG_FEC_1588
-+ /* 1588 messeage TS handle */
-+ if (fep->ptimer_present)
-+ fec_ptp_store_rxstamp(fpp, skb, bdp);
-+#endif
- netif_rx(skb);
- }
-
-@@ -567,6 +632,11 @@ rx_processing_done:
- status |= BD_ENET_RX_EMPTY;
- bdp->cbd_sc = status;
-
-+#ifdef CONFIG_FEC_1588
-+ bdp->cbd_esc = BD_ENET_RX_INT;
-+ bdp->cbd_prot = 0;
-+ bdp->cbd_bdu = 0;
-+#endif
- /* Update BD pointer to next entry */
- if (status & BD_ENET_RX_WRAP)
- bdp = fep->rx_bd_base;
-@@ -669,8 +739,11 @@ static void fec_enet_adjust_link(struct
- fec_stop(dev);
-
- if (id_entry->driver_data & FEC_QUIRK_ENET_MAC)
-- writel(2, fep->hwp + FEC_ECNTRL);
--
-+#ifdef CONFIG_FEC_1588
-+ writel(0x00000012, fep->hwp + FEC_ECNTRL);
-+#else
-+ writel(0x00000002, fep->hwp + FEC_ECNTRL);
-+#endif
- status_change = 1;
- }
-
-@@ -983,6 +1056,10 @@ static int fec_enet_alloc_buffers(struct
- bdp->cbd_bufaddr = dma_map_single(&dev->dev, skb->data,
- FEC_ENET_RX_FRSIZE, DMA_FROM_DEVICE);
- bdp->cbd_sc = BD_ENET_RX_EMPTY;
-+
-+#ifdef CONFIG_FEC_1588
-+ bdp->cbd_esc = BD_ENET_RX_INT;
-+#endif
- bdp++;
- }
-
-@@ -996,6 +1073,9 @@ static int fec_enet_alloc_buffers(struct
-
- bdp->cbd_sc = 0;
- bdp->cbd_bufaddr = 0;
-+#ifdef CONFIG_FEC_1588
-+ bdp->cbd_esc = BD_ENET_TX_INT;
-+#endif
- bdp++;
- }
-
-@@ -1256,8 +1336,12 @@ fec_restart(struct net_device *dev, int
- writel(cpu_to_be32(temp_mac[1]), fep->hwp + FEC_ADDR_HIGH);
- }
-
-+#ifdef CONFIG_FEC_1588
-+ writel(0x7fff8000, fep->hwp + FEC_IEVENT);
-+#else
- /* Clear any outstanding interrupt. */
- writel(0xffc00000, fep->hwp + FEC_IEVENT);
-+#endif
-
- /* Reset all multicast. */
- writel(0, fep->hwp + FEC_GRP_HASH_TABLE_HIGH);
-@@ -1342,8 +1426,25 @@ fec_restart(struct net_device *dev, int
- #endif
- }
-
-+#ifdef CONFIG_FEC_1588
-+ if (fep->ptimer_present) {
-+ int ret;
-+ /* Set Timer count */
-+ ret = fec_ptp_start(fep->ptp_priv);
-+ if (ret) {
-+ fep->ptimer_present = 0;
-+ writel(2, fep->hwp + FEC_ECNTRL);
-+ } else {
-+ val = readl(fep->hwp + FEC_ECNTRL);
-+ val |= 0x00000012;
-+ writel(val, fep->hwp + FEC_ECNTRL);
-+ }
-+ } else
-+ writel(2, fep->hwp + FEC_ECNTRL);
-+#else
- /* And last, enable the transmit and receive processing */
- writel(2, fep->hwp + FEC_ECNTRL);
-+#endif
- writel(0, fep->hwp + FEC_R_DES_ACTIVE);
-
- /* Enable interrupts we wish to service */
-@@ -1367,6 +1468,10 @@ fec_stop(struct net_device *dev)
- writel(1, fep->hwp + FEC_ECNTRL);
- udelay(10);
- writel(fep->phy_speed, fep->hwp + FEC_MII_SPEED);
-+#ifdef CONFIG_FEC_1588
-+ if (fep->ptimer_present)
-+ fec_ptp_stop(fep->ptp_priv);
-+#endif
- writel(FEC_DEFAULT_IMASK, fep->hwp + FEC_IMASK);
- }
-
-@@ -1428,6 +1533,24 @@ fec_probe(struct platform_device *pdev)
- }
- }
-
-+#ifdef CONFIG_FEC_1588
-+ i = (pdev->id) ? (64 + 64 + 64 + 7) : (64 + 64 + 64);
-+ if (request_irq(i + 48, fec_enet_interrupt, IRQF_DISABLED,
-+ "1588 TS AVAIL", ndev) != 0)
-+ printk(KERN_ERR "FEC: Could not alloc FEC %x 1588 TS AVAIL "
-+ "IRQ(%d)!\n", pdev->id, i + 48);
-+
-+ if (pdev->id == 0) {
-+ printk("setup TS timer interrupt through DMA timer1\n");
-+ __raw_writew(MCF_DTIM_DTMR_RST_RST, MCF_DTIM1_DTMR);
-+
-+ if (request_irq(64 + 33, fec_enet_interrupt, IRQF_DISABLED,
-+ "1588 TS TIMER", ndev) != 0)
-+ printk(KERN_ERR "FEC: Could not alloc FEC %x 1588 TS"
-+ " TIMER IRQ(%d)!\n", pdev->id, 64 + 33);
-+ }
-+#endif
-+
- fep->clk = clk_get(&pdev->dev, "fec_clk");
- if (IS_ERR(fep->clk)) {
- ret = PTR_ERR(fep->clk);
-@@ -1443,6 +1566,20 @@ fec_probe(struct platform_device *pdev)
- if (ret)
- goto failed_mii_init;
-
-+#ifdef CONFIG_FEC_1588
-+ fep->ptp_priv = kzalloc(sizeof(struct fec_ptp_private),
-+ GFP_KERNEL);
-+ if (fep->ptp_priv) {
-+ fep->ptp_priv->hwp = fep->hwp;
-+ ret = fec_ptp_init(fep->ptp_priv, pdev->id);
-+ if (ret)
-+ printk(KERN_ERR "IEEE1588: ptp-timer init failed\n");
-+ else
-+ fep->ptimer_present = 1;
-+ } else
-+ printk(KERN_ERR "IEEE1588: failed to malloc memory\n");
-+#endif
-+
- /* Carrier starts down, phylib will bring it up */
- netif_carrier_off(ndev);
-
-@@ -1454,6 +1591,12 @@ fec_probe(struct platform_device *pdev)
-
- failed_register:
- fec_enet_mii_remove(fep);
-+#ifdef CONFIG_FEC_1588
-+ if (fep->ptimer_present)
-+ fec_ptp_cleanup(fep->ptp_priv);
-+
-+ kfree(fep->ptp_priv);
-+#endif
- failed_mii_init:
- failed_init:
- clk_disable(fep->clk);
-@@ -1485,6 +1628,12 @@ fec_drv_remove(struct platform_device *p
- clk_disable(fep->clk);
- clk_put(fep->clk);
- iounmap((void __iomem *)ndev->base_addr);
-+#ifdef CONFIG_FEC_1588
-+ if (fep->ptimer_present)
-+ fec_ptp_cleanup(fep->ptp_priv);
-+
-+ kfree(fep->ptp_priv);
-+#endif
- unregister_netdev(ndev);
- free_netdev(ndev);
- return 0;
---- a/drivers/net/fec.h
-+++ b/drivers/net/fec.h
-@@ -50,6 +50,16 @@
- #define FEC_MIIGSK_CFGR 0x300 /* MIIGSK Configuration reg */
- #define FEC_MIIGSK_ENR 0x308 /* MIIGSK Enable reg */
-
-+#if defined(CONFIG_FEC_1588)
-+#define FEC_ATIME_CTRL 0x400
-+#define FEC_ATIME 0x404
-+#define FEC_ATIME_EVT_OFFSET 0x408
-+#define FEC_ATIME_EVT_PERIOD 0x40c
-+#define FEC_ATIME_CORR 0x410
-+#define FEC_ATIME_INC 0x414
-+#define FEC_TS_TIMESTAMP 0x418
-+#endif
-+
- #else
-
- #define FEC_ECNTRL 0x000 /* Ethernet control reg */
-@@ -78,6 +88,9 @@
-
- #endif /* CONFIG_M5272 */
-
-+#if defined(CONFIG_FEC_1588)
-+#define FEC_ENHANCED_MODE 1
-+#endif
-
- /*
- * Define the buffer descriptor structure.
-@@ -93,6 +106,14 @@ struct bufdesc {
- unsigned short cbd_sc; /* Control and status info */
- unsigned short cbd_datlen; /* Data length */
- unsigned long cbd_bufaddr; /* Buffer address */
-+
-+#ifdef FEC_ENHANCED_MODE
-+ unsigned long cbd_esc;
-+ unsigned long cbd_prot;
-+ unsigned long cbd_bdu;
-+ unsigned long ts;
-+ unsigned short res0[4];
-+#endif
- };
- #endif
-
-@@ -128,6 +149,7 @@ struct bufdesc {
- #define BD_ENET_RX_OV ((ushort)0x0002)
- #define BD_ENET_RX_CL ((ushort)0x0001)
- #define BD_ENET_RX_STATS ((ushort)0x013f) /* All status bits */
-+#define BD_ENET_RX_INT 0x00800000
-
- /* Buffer descriptor control/status used by Ethernet transmit.
- */
-@@ -146,6 +168,9 @@ struct bufdesc {
- #define BD_ENET_TX_CSL ((ushort)0x0001)
- #define BD_ENET_TX_STATS ((ushort)0x03ff) /* All status bits */
-
-+#define BD_ENET_TX_TS 0x20000000
-+#define BD_ENET_TX_INT 0x40000000
-+#define BD_ENET_TX_BDU 0x80000000
-
- /****************************************************************************/
- #endif /* FEC_H */
---- /dev/null
-+++ b/drivers/net/fec_1588.c
-@@ -0,0 +1,626 @@
-+/*
-+ * drivers/net/fec_1588.c
-+ *
-+ * Copyright (C) 2010-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ * Copyright (C) 2009 IXXAT Automation, GmbH
-+ *
-+ * FEC Ethernet Driver -- IEEE 1588 interface functionality
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; either version 2 of the License, or
-+ * (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
-+ *
-+ */
-+
-+#include <linux/io.h>
-+#include <linux/device.h>
-+#include <linux/fs.h>
-+#include <linux/vmalloc.h>
-+#include <linux/spinlock.h>
-+#include <linux/ip.h>
-+#include <linux/udp.h>
-+#include <asm/mcf5441x_ccm.h>
-+#include <asm/mcf5441x_dtim.h>
-+#include <asm/mcfsim.h>
-+#include "fec_1588.h"
-+
-+static DECLARE_WAIT_QUEUE_HEAD(ptp_rx_ts_wait);
-+#define PTP_GET_RX_TIMEOUT (HZ/10)
-+#define COLDFIRE_DTIM1_INT (64+32+1)
-+
-+static struct fec_ptp_private *ptp_private[2];
-+
-+static void init_DTIM1_for_1588(struct fec_ptp_private *priv)
-+{
-+ printk(KERN_INFO "Initializing DTIM1 for 1588 TS timer\n");
-+
-+ __raw_writew(MCF_DTIM_DTMR_RST_RST, MCF_DTIM1_DTMR);
-+
-+ /*Enable 1588*/
-+
-+ __raw_writeb(MCF_DTIM_DTXMR_1588EN, MCF_DTIM1_DTXMR);
-+
-+ /*Compare to the 1588 timerbase*/
-+ __raw_writel(FEC_T_PERIOD_ONE_SEC - FEC_T_INC_40MHZ, MCF_DTIM1_DTRR);
-+
-+ __raw_writeb(MCF_DTIM_DTER_REF, MCF_DTIM1_DTER);
-+
-+ MCF_GPIO_PAR_TIMER = (MCF_GPIO_PAR_TIMER & MCF_GPIO_PAR_TIMER_T1IN_MASK)
-+ | MCF_GPIO_PAR_TIMER_T1IN_T1OUT;
-+}
-+
-+static void start_DTIM1(void)
-+{
-+ __raw_writew(MCF_DTIM_DTMR_RST_EN | MCF_DTIM_DTMR_ORRI |
-+ MCF_DTIM_DTMR_OM, MCF_DTIM1_DTMR);
-+}
-+
-+static void stop_DTIM1(void)
-+{
-+ __raw_writew(MCF_DTIM_DTMR_RST_RST, MCF_DTIM1_DTMR);
-+}
-+
-+/* Alloc the ring resource */
-+static int fec_ptp_init_circ(struct circ_buf *ptp_buf)
-+{
-+ ptp_buf->buf = vmalloc(DEFAULT_PTP_RX_BUF_SZ *
-+ sizeof(struct fec_ptp_data_t));
-+
-+ if (!ptp_buf->buf)
-+ return 1;
-+ ptp_buf->head = 0;
-+ ptp_buf->tail = 0;
-+
-+ return 0;
-+}
-+
-+static inline int fec_ptp_calc_index(int size, int curr_index, int offset)
-+{
-+ return (curr_index + offset) % size;
-+}
-+
-+static int fec_ptp_is_empty(struct circ_buf *buf)
-+{
-+ return (buf->head == buf->tail);
-+}
-+
-+static int fec_ptp_nelems(struct circ_buf *buf)
-+{
-+ const int front = buf->head;
-+ const int end = buf->tail;
-+ const int size = DEFAULT_PTP_RX_BUF_SZ;
-+ int n_items;
-+
-+ if (end > front)
-+ n_items = end - front;
-+ else if (end < front)
-+ n_items = size - (front - end);
-+ else
-+ n_items = 0;
-+
-+ return n_items;
-+}
-+
-+static int fec_ptp_is_full(struct circ_buf *buf)
-+{
-+ if (fec_ptp_nelems(buf) ==
-+ (DEFAULT_PTP_RX_BUF_SZ - 1))
-+ return 1;
-+ else
-+ return 0;
-+}
-+
-+static int fec_ptp_insert(struct circ_buf *ptp_buf,
-+ struct fec_ptp_data_t *data,
-+ struct fec_ptp_private *priv)
-+{
-+ struct fec_ptp_data_t *tmp;
-+
-+ if (fec_ptp_is_full(ptp_buf))
-+ return 1;
-+
-+ spin_lock(&priv->ptp_lock);
-+ tmp = (struct fec_ptp_data_t *)(ptp_buf->buf) + ptp_buf->tail;
-+
-+ tmp->key = data->key;
-+ tmp->ts_time.sec = data->ts_time.sec;
-+ tmp->ts_time.nsec = data->ts_time.nsec;
-+
-+ ptp_buf->tail = fec_ptp_calc_index(DEFAULT_PTP_RX_BUF_SZ,
-+ ptp_buf->tail, 1);
-+ spin_unlock(&priv->ptp_lock);
-+
-+ return 0;
-+}
-+
-+static int fec_ptp_find_and_remove(struct circ_buf *ptp_buf,
-+ int key,
-+ struct fec_ptp_data_t *data,
-+ struct fec_ptp_private *priv)
-+{
-+ int i;
-+ int size = DEFAULT_PTP_RX_BUF_SZ;
-+ int end = ptp_buf->tail;
-+ unsigned long flags;
-+ struct fec_ptp_data_t *tmp;
-+
-+ if (fec_ptp_is_empty(ptp_buf))
-+ return 1;
-+
-+ i = ptp_buf->head;
-+ while (i != end) {
-+ tmp = (struct fec_ptp_data_t *)(ptp_buf->buf) + i;
-+ if (tmp->key == key)
-+ break;
-+ i = fec_ptp_calc_index(size, i, 1);
-+ }
-+
-+ spin_lock_irqsave(&priv->ptp_lock, flags);
-+ if (i == end) {
-+ ptp_buf->head = end;
-+ spin_unlock_irqrestore(&priv->ptp_lock, flags);
-+ return 1;
-+ }
-+
-+ data->ts_time.sec = tmp->ts_time.sec;
-+ data->ts_time.nsec = tmp->ts_time.nsec;
-+
-+ ptp_buf->head = fec_ptp_calc_index(size, i, 1);
-+ spin_unlock_irqrestore(&priv->ptp_lock, flags);
-+
-+ return 0;
-+}
-+
-+/* 1588 Module intialization */
-+int fec_ptp_start(struct fec_ptp_private *priv)
-+{
-+ struct fec_ptp_private *fpp = priv;
-+
-+ MCF_CCM_MISCCR3 = 0x0000;
-+
-+ init_DTIM1_for_1588(priv);
-+
-+ /* Select 1588 Timer source and enable module for starting Tmr Clock */
-+ fec_writel(FEC_T_CTRL_RESTART, fpp->hwp + FEC_ATIME_CTRL);
-+ fec_writel(FEC_T_INC_40MHZ << FEC_T_INC_OFFSET,
-+ fpp->hwp + FEC_ATIME_INC);
-+ fec_writel(FEC_T_PERIOD_ONE_SEC, fpp->hwp + FEC_ATIME_EVT_PERIOD);
-+ /* start counter */
-+ fec_writel(FEC_T_CTRL_PERIOD_RST | FEC_T_CTRL_ENABLE |
-+ FEC_T_CTRL_PINPER, fpp->hwp + FEC_ATIME_CTRL);
-+
-+ start_DTIM1();
-+
-+ return 0;
-+}
-+
-+/* Cleanup routine for 1588 module.
-+ * When PTP is disabled this routing is called */
-+void fec_ptp_stop(struct fec_ptp_private *priv)
-+{
-+ struct fec_ptp_private *fpp = priv;
-+
-+ fec_writel(0, fpp->hwp + FEC_ATIME_CTRL);
-+ fec_writel(FEC_T_CTRL_RESTART, fpp->hwp + FEC_ATIME_CTRL);
-+ stop_DTIM1();
-+}
-+
-+static void fec_get_curr_cnt(struct fec_ptp_private *priv,
-+ struct ptp_rtc_time *curr_time)
-+{
-+ u32 tempval;
-+
-+ fec_writel(FEC_T_CTRL_CAPTURE, priv->hwp + FEC_ATIME_CTRL);
-+ fec_writel(FEC_T_CTRL_CAPTURE, priv->hwp + FEC_ATIME_CTRL);
-+ curr_time->rtc_time.nsec = fec_readl(priv->hwp + FEC_ATIME);
-+ curr_time->rtc_time.sec = priv->prtc;
-+
-+ fec_writel(FEC_T_CTRL_CAPTURE, priv->hwp + FEC_ATIME_CTRL);
-+ tempval = fec_readl(priv->hwp + FEC_ATIME);
-+ if (tempval < curr_time->rtc_time.nsec) {
-+ curr_time->rtc_time.nsec = tempval;
-+ curr_time->rtc_time.sec = priv->prtc;
-+ }
-+}
-+
-+/* Set the 1588 timer counter registers */
-+static void fec_set_1588cnt(struct fec_ptp_private *priv,
-+ struct ptp_rtc_time *fec_time)
-+{
-+ u32 tempval;
-+ unsigned long flags;
-+
-+ spin_lock_irqsave(&priv->cnt_lock, flags);
-+
-+ priv->prtc = fec_time->rtc_time.sec;
-+
-+ tempval = fec_time->rtc_time.nsec;
-+ fec_writel(tempval, priv->hwp + FEC_ATIME);
-+ spin_unlock_irqrestore(&priv->cnt_lock, flags);
-+}
-+
-+/* Set the BD to ptp */
-+int fec_ptp_do_txstamp(struct sk_buff *skb)
-+{
-+ struct iphdr *iph;
-+ struct udphdr *udph;
-+
-+ if (skb->len > 44) {
-+ /* Check if port is 319 for PTP Event, and check for UDP */
-+ iph = ip_hdr(skb);
-+ if (iph == NULL || iph->protocol != FEC_PACKET_TYPE_UDP)
-+ return 0;
-+
-+ udph = udp_hdr(skb);
-+ if (udph != NULL && ntohs(udph->source) == 319)
-+ return 1;
-+ }
-+
-+ return 0;
-+}
-+
-+void fec_ptp_store_txstamp(struct fec_ptp_private *priv)
-+{
-+ struct fec_ptp_private *fpp = priv;
-+ unsigned int reg;
-+
-+ reg = fec_readl(fpp->hwp + FEC_TS_TIMESTAMP);
-+ fpp->txstamp.nsec = reg;
-+ fpp->txstamp.sec = fpp->prtc;
-+}
-+
-+void fec_ptp_store_rxstamp(struct fec_ptp_private *priv,
-+ struct sk_buff *skb,
-+ struct bufdesc *bdp)
-+{
-+ int msg_type, seq_id, control;
-+ struct fec_ptp_data_t tmp_rx_time;
-+ struct fec_ptp_private *fpp = priv;
-+ struct iphdr *iph;
-+ struct udphdr *udph;
-+
-+ /* Check for UDP, and Check if port is 319 for PTP Event */
-+ iph = (struct iphdr *)(skb->data + FEC_PTP_IP_OFFS);
-+ if (iph->protocol != FEC_PACKET_TYPE_UDP)
-+ return;
-+
-+ udph = (struct udphdr *)(skb->data + FEC_PTP_UDP_OFFS);
-+ if (ntohs(udph->source) != 319)
-+ return;
-+
-+ seq_id = *((u16 *)(skb->data + FEC_PTP_SEQ_ID_OFFS));
-+ control = *((u8 *)(skb->data + FEC_PTP_CTRL_OFFS));
-+
-+ tmp_rx_time.key = ntohs(seq_id);
-+ tmp_rx_time.ts_time.sec = fpp->prtc;
-+ tmp_rx_time.ts_time.nsec = bdp->ts;
-+
-+ switch (control) {
-+
-+ case PTP_MSG_SYNC:
-+ fec_ptp_insert(&(priv->rx_time_sync), &tmp_rx_time, priv);
-+ break;
-+
-+ case PTP_MSG_DEL_REQ:
-+ fec_ptp_insert(&(priv->rx_time_del_req), &tmp_rx_time, priv);
-+ break;
-+
-+ /* clear transportSpecific field*/
-+ case PTP_MSG_ALL_OTHER:
-+ msg_type = (*((u8 *)(skb->data +
-+ FEC_PTP_MSG_TYPE_OFFS))) & 0x0F;
-+ switch (msg_type) {
-+ case PTP_MSG_P_DEL_REQ:
-+ fec_ptp_insert(&(priv->rx_time_pdel_req),
-+ &tmp_rx_time, priv);
-+ break;
-+ case PTP_MSG_P_DEL_RESP:
-+ fec_ptp_insert(&(priv->rx_time_pdel_resp),
-+ &tmp_rx_time, priv);
-+ break;
-+ default:
-+ break;
-+ }
-+ break;
-+ default:
-+ break;
-+ }
-+
-+ wake_up_interruptible(&ptp_rx_ts_wait);
-+}
-+
-+static void fec_get_tx_timestamp(struct fec_ptp_private *priv,
-+ struct ptp_time *tx_time)
-+{
-+ tx_time->sec = priv->txstamp.sec;
-+ tx_time->nsec = priv->txstamp.nsec;
-+}
-+
-+static uint8_t fec_get_rx_time(struct fec_ptp_private *priv,
-+ struct ptp_ts_data *pts,
-+ struct ptp_time *rx_time)
-+{
-+ struct fec_ptp_data_t tmp;
-+ int key, flag;
-+ u8 mode;
-+
-+ key = pts->seq_id;
-+ mode = pts->message_type;
-+ switch (mode) {
-+ case PTP_MSG_SYNC:
-+ flag = fec_ptp_find_and_remove(&(priv->rx_time_sync),
-+ key, &tmp, priv);
-+ break;
-+ case PTP_MSG_DEL_REQ:
-+ flag = fec_ptp_find_and_remove(&(priv->rx_time_del_req),
-+ key, &tmp, priv);
-+ break;
-+
-+ case PTP_MSG_P_DEL_REQ:
-+ flag = fec_ptp_find_and_remove(&(priv->rx_time_pdel_req),
-+ key, &tmp, priv);
-+ break;
-+ case PTP_MSG_P_DEL_RESP:
-+ flag = fec_ptp_find_and_remove(&(priv->rx_time_pdel_resp),
-+ key, &tmp, priv);
-+ break;
-+
-+ default:
-+ flag = 1;
-+ printk(KERN_ERR "ERROR\n");
-+ break;
-+ }
-+
-+ if (!flag) {
-+ rx_time->sec = tmp.ts_time.sec;
-+ rx_time->nsec = tmp.ts_time.nsec;
-+ return 0;
-+ } else {
-+ wait_event_interruptible_timeout(ptp_rx_ts_wait, 0,
-+ PTP_GET_RX_TIMEOUT);
-+
-+ switch (mode) {
-+ case PTP_MSG_SYNC:
-+ flag = fec_ptp_find_and_remove(&(priv->rx_time_sync),
-+ key, &tmp, priv);
-+ break;
-+ case PTP_MSG_DEL_REQ:
-+ flag = fec_ptp_find_and_remove(
-+ &(priv->rx_time_del_req), key, &tmp, priv);
-+ break;
-+ case PTP_MSG_P_DEL_REQ:
-+ flag = fec_ptp_find_and_remove(
-+ &(priv->rx_time_pdel_req), key, &tmp, priv);
-+ break;
-+ case PTP_MSG_P_DEL_RESP:
-+ flag = fec_ptp_find_and_remove(
-+ &(priv->rx_time_pdel_resp), key, &tmp, priv);
-+ break;
-+ }
-+
-+ if (flag == 0) {
-+ rx_time->sec = tmp.ts_time.sec;
-+ rx_time->nsec = tmp.ts_time.nsec;
-+ return 0;
-+ }
-+
-+ return -1;
-+ }
-+}
-+
-+static void fec_handle_ptpdrift(
-+ struct ptp_set_comp *comp,
-+ struct ptp_time_correct *ptc)
-+{
-+ u32 ndrift;
-+ u32 i;
-+ u32 tmp, tmp_ns, tmp_prid;
-+ u32 min_ns, min_prid, miss_ns;
-+
-+ ndrift = comp->drift;
-+ if (ndrift == 0) {
-+ ptc->corr_inc = 0;
-+ ptc->corr_period = 0;
-+ return;
-+ }
-+
-+ if (ndrift >= FEC_ATIME_40MHZ) {
-+ ptc->corr_inc = (u32)(ndrift / FEC_ATIME_40MHZ);
-+ ptc->corr_period = 1;
-+ return;
-+ }
-+
-+ min_ns = 1;
-+ tmp = FEC_ATIME_40MHZ % ndrift;
-+ tmp_prid = (u32)(FEC_ATIME_40MHZ / ndrift);
-+ min_prid = tmp_prid;
-+ miss_ns = tmp / tmp_prid;
-+ for (i = 2; i <= FEC_T_INC_40MHZ; i++) {
-+ tmp = (FEC_ATIME_40MHZ * i) % ndrift;
-+ tmp_prid = (FEC_ATIME_40MHZ * i) / ndrift;
-+ tmp_ns = tmp / tmp_prid;
-+ if (tmp_ns <= 10) {
-+ min_ns = i;
-+ min_prid = tmp_prid;
-+ break;
-+ }
-+
-+ if (tmp_ns < miss_ns) {
-+ min_ns = i;
-+ min_prid = tmp_prid;
-+ miss_ns = tmp_ns;
-+ }
-+ }
-+
-+ ptc->corr_inc = min_ns;
-+ ptc->corr_period = min_prid;
-+}
-+
-+static void fec_set_drift(struct fec_ptp_private *priv,
-+ struct ptp_set_comp *comp)
-+{
-+ struct ptp_time_correct tc;
-+ struct fec_ptp_private *fpp = priv;
-+ u32 tmp, corr_ns;
-+
-+ fec_handle_ptpdrift(comp, &tc);
-+ if (tc.corr_inc == 0)
-+ return;
-+
-+ if (comp->o_ops == TRUE)
-+ corr_ns = FEC_T_INC_40MHZ + tc.corr_inc;
-+ else
-+ corr_ns = FEC_T_INC_40MHZ - tc.corr_inc;
-+
-+ tmp = fec_readl(fpp->hwp + FEC_ATIME_INC) & FEC_T_INC_MASK;
-+ tmp |= corr_ns << FEC_T_INC_CORR_OFFSET;
-+ fec_writel(tmp, fpp->hwp + FEC_ATIME_INC);
-+
-+ fec_writel(tc.corr_period, fpp->hwp + FEC_ATIME_CORR);
-+}
-+
-+static int ptp_open(struct inode *inode, struct file *file)
-+{
-+ return 0;
-+}
-+
-+static int ptp_release(struct inode *inode, struct file *file)
-+{
-+ return 0;
-+}
-+
-+static long ptp_unlocked_ioctl(
-+ struct file *file,
-+ unsigned int cmd,
-+ unsigned long arg)
-+{
-+ struct ptp_rtc_time *cnt;
-+ struct ptp_rtc_time curr_time;
-+ struct ptp_time rx_time, tx_time;
-+ struct ptp_ts_data *p_ts;
-+ struct ptp_set_comp *p_comp;
-+ struct fec_ptp_private *priv;
-+ struct inode *inode = file->f_mapping->host;
-+ unsigned int minor = MINOR(inode->i_rdev);
-+ long retval = 0;
-+
-+ priv = (struct fec_ptp_private *) ptp_private[minor];
-+ switch (cmd) {
-+ case PTP_GET_RX_TIMESTAMP:
-+ p_ts = (struct ptp_ts_data *)arg;
-+ retval = fec_get_rx_time(priv, p_ts, &rx_time);
-+ if (retval == 0)
-+ copy_to_user((void __user *)(&(p_ts->ts)), &rx_time,
-+ sizeof(rx_time));
-+ break;
-+ case PTP_GET_TX_TIMESTAMP:
-+ p_ts = (struct ptp_ts_data *)arg;
-+ fec_get_tx_timestamp(priv, &tx_time);
-+ copy_to_user((void __user *)(&(p_ts->ts)), &tx_time,
-+ sizeof(tx_time));
-+ break;
-+ case PTP_GET_CURRENT_TIME:
-+ fec_get_curr_cnt(priv, &curr_time);
-+ copy_to_user((void __user *)arg, &curr_time, sizeof(curr_time));
-+ break;
-+ case PTP_SET_RTC_TIME:
-+ cnt = (struct ptp_rtc_time *)arg;
-+ fec_set_1588cnt(priv, cnt);
-+ break;
-+ case PTP_FLUSH_TIMESTAMP:
-+ /* reset sync buffer */
-+ priv->rx_time_sync.head = 0;
-+ priv->rx_time_sync.tail = 0;
-+ /* reset delay_req buffer */
-+ priv->rx_time_del_req.head = 0;
-+ priv->rx_time_del_req.tail = 0;
-+ /* reset pdelay_req buffer */
-+ priv->rx_time_pdel_req.head = 0;
-+ priv->rx_time_pdel_req.tail = 0;
-+ /* reset pdelay_resp buffer */
-+ priv->rx_time_pdel_resp.head = 0;
-+ priv->rx_time_pdel_resp.tail = 0;
-+ break;
-+ case PTP_SET_COMPENSATION:
-+ p_comp = (struct ptp_set_comp *)arg;
-+ fec_set_drift(priv, p_comp);
-+ break;
-+ case PTP_GET_ORIG_COMP:
-+ ((struct ptp_get_comp *)arg)->dw_origcomp = FEC_PTP_ORIG_COMP;
-+ break;
-+ default:
-+ return -EINVAL;
-+ }
-+ return retval;
-+}
-+
-+static const struct file_operations ptp_fops = {
-+ .owner = THIS_MODULE,
-+ .llseek = NULL,
-+ .read = NULL,
-+ .write = NULL,
-+ .unlocked_ioctl = ptp_unlocked_ioctl,
-+ .open = ptp_open,
-+ .release = ptp_release,
-+};
-+
-+static int init_ptp(void)
-+{
-+ if (register_chrdev(PTP_MAJOR, "ptp", &ptp_fops))
-+ printk(KERN_ERR "Unable to register PTP deivce as char\n");
-+
-+ return 0;
-+}
-+
-+static void ptp_free(void)
-+{
-+ /*unregister the PTP device*/
-+ unregister_chrdev(PTP_MAJOR, "ptp");
-+}
-+
-+
-+
-+/*
-+ * Resource required for accessing 1588 Timer Registers.
-+ */
-+int fec_ptp_init(struct fec_ptp_private *priv, int id)
-+{
-+ fec_ptp_init_circ(&(priv->rx_time_sync));
-+ fec_ptp_init_circ(&(priv->rx_time_del_req));
-+ fec_ptp_init_circ(&(priv->rx_time_pdel_req));
-+ fec_ptp_init_circ(&(priv->rx_time_pdel_resp));
-+
-+ spin_lock_init(&priv->ptp_lock);
-+ spin_lock_init(&priv->cnt_lock);
-+ ptp_private[id] = priv;
-+ if (id == 0)
-+ init_ptp();
-+ return 0;
-+}
-+EXPORT_SYMBOL(fec_ptp_init);
-+
-+void fec_ptp_cleanup(struct fec_ptp_private *priv)
-+{
-+
-+ if (priv->rx_time_sync.buf)
-+ vfree(priv->rx_time_sync.buf);
-+ if (priv->rx_time_del_req.buf)
-+ vfree(priv->rx_time_del_req.buf);
-+ if (priv->rx_time_pdel_req.buf)
-+ vfree(priv->rx_time_pdel_req.buf);
-+ if (priv->rx_time_pdel_resp.buf)
-+ vfree(priv->rx_time_pdel_resp.buf);
-+
-+ ptp_free();
-+}
-+EXPORT_SYMBOL(fec_ptp_cleanup);
---- /dev/null
-+++ b/drivers/net/fec_1588.h
-@@ -0,0 +1,195 @@
-+/*
-+ * drivers/net/fec_1588.h
-+ *
-+ * Copyright (C) 2010-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; either version 2 of the License, or
-+ * (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
-+ *
-+ */
-+
-+#ifndef FEC_1588_H
-+#define FEC_1588_H
-+
-+#include <linux/circ_buf.h>
-+#include "fec.h"
-+
-+#define fec_readl(addr) \
-+ ({ unsigned int __v = (*(volatile unsigned int *) (addr)); __v; })
-+
-+#define fec_writel(b, addr) (void)((*(volatile unsigned int *) (addr)) = (b))
-+
-+#define FALSE 0
-+#define TRUE 1
-+
-+/* FEC 1588 register bits */
-+#define FEC_T_CTRL_CAPTURE 0x00000800
-+#define FEC_T_CTRL_RESTART 0x00000200
-+#define FEC_T_CTRL_PERIOD_RST 0x00000010
-+#define FEC_T_CTRL_PINPER 0x00000080
-+#define FEC_T_CTRL_ENABLE 0x00000001
-+
-+#define FEC_T_INC_MASK 0x0000007f
-+#define FEC_T_INC_OFFSET 0
-+#define FEC_T_INC_CORR_MASK 0x00007f00
-+#define FEC_T_INC_CORR_OFFSET 8
-+
-+#define FEC_T_INC_40MHZ 8
-+#define FEC_ATIME_40MHZ 125000000
-+
-+#define FEC_T_PERIOD_ONE_SEC 0x3B9ACA00
-+
-+/* IEEE 1588 definition */
-+#define FEC_ECNTRL_TS_EN 0x10
-+#define PTP_MAJOR 232 /*the temporary major number
-+ *used by PTP driver, the major
-+ *number 232~239 is unassigned*/
-+
-+#define DEFAULT_PTP_RX_BUF_SZ 2048
-+#define PTP_MSG_SYNC 0x0
-+#define PTP_MSG_DEL_REQ 0x1
-+#define PTP_MSG_P_DEL_REQ 0x2
-+#define PTP_MSG_P_DEL_RESP 0x3
-+#define PTP_MSG_DEL_RESP 0x4
-+#define PTP_MSG_ALL_OTHER 0x5
-+
-+#define PTP_GET_TX_TIMESTAMP 0x1
-+#define PTP_GET_RX_TIMESTAMP 0x9
-+#define PTP_SET_RTC_TIME 0x3
-+#define PTP_SET_COMPENSATION 0x4
-+#define PTP_GET_CURRENT_TIME 0x5
-+#define PTP_FLUSH_TIMESTAMP 0x6
-+#define PTP_ADJ_ADDEND 0x7
-+#define PTP_GET_ORIG_COMP 0x8
-+#define PTP_GET_ADDEND 0xB
-+#define PTP_GET_RX_TIMESTAMP_PDELAY_REQ 0xC
-+#define PTP_GET_RX_TIMESTAMP_PDELAY_RESP 0xD
-+
-+#define FEC_PTP_DOMAIN_DLFT 0xe0000181
-+#define FEC_PTP_IP_OFFS 0x0
-+#define FEC_PTP_UDP_OFFS 0x14
-+#define FEC_PTP_MSG_TYPE_OFFS 0x1C
-+#define FEC_PTP_SEQ_ID_OFFS 0x3A
-+#define FEC_PTP_COR_NS 0x24
-+#define FEC_PTP_CTRL_OFFS 0x3C
-+#define FEC_PACKET_TYPE_UDP 0x11
-+
-+#define FEC_PTP_ORIG_COMP 0x15555
-+
-+/* PTP standard time representation structure */
-+struct ptp_time {
-+ u64 sec; /* seconds */
-+ u32 nsec; /* nanoseconds */
-+};
-+
-+/* Structure for PTP Time Stamp */
-+struct fec_ptp_data_t {
-+ int key;
-+ struct ptp_time ts_time;
-+};
-+
-+/* interface for PTP driver command GET_TX_TIME */
-+struct ptp_ts_data {
-+ /* PTP version */
-+ u8 version;
-+ /* PTP source port ID */
-+ u8 spid[10];
-+ /* PTP sequence ID */
-+ u16 seq_id;
-+ /* PTP message type */
-+ u8 message_type;
-+ /* PTP timestamp */
-+ struct ptp_time ts;
-+};
-+
-+/* interface for PTP driver command SET_RTC_TIME/GET_CURRENT_TIME */
-+struct ptp_rtc_time {
-+ struct ptp_time rtc_time;
-+};
-+
-+/* interface for PTP driver command SET_COMPENSATION */
-+struct ptp_set_comp {
-+ u32 drift;
-+ u32 o_ops;
-+};
-+
-+/* interface for PTP driver command GET_ORIG_COMP */
-+struct ptp_get_comp {
-+ /* the initial compensation value */
-+ u32 dw_origcomp;
-+ /* the minimum compensation value */
-+ u32 dw_mincomp;
-+ /*the max compensation value*/
-+ u32 dw_maxcomp;
-+ /*the min drift applying min compensation value in ppm*/
-+ u32 dw_mindrift;
-+ /*the max drift applying max compensation value in ppm*/
-+ u32 dw_maxdrift;
-+};
-+
-+struct ptp_time_correct {
-+ u32 corr_period;
-+ u32 corr_inc;
-+};
-+
-+/* PTP message version */
-+#define PTP_1588_MSG_VER_1 1
-+#define PTP_1588_MSG_VER_2 2
-+
-+struct fec_ptp_private {
-+ void __iomem *hwp;
-+
-+ struct circ_buf rx_time_sync;
-+ struct circ_buf rx_time_del_req;
-+ struct circ_buf rx_time_pdel_req;
-+ struct circ_buf rx_time_pdel_resp;
-+ spinlock_t ptp_lock;
-+ spinlock_t cnt_lock;
-+
-+ u64 prtc;
-+ struct ptp_time txstamp;
-+};
-+
-+#ifdef CONFIG_FEC_1588
-+extern int fec_ptp_init(struct fec_ptp_private *priv, int id);
-+extern void fec_ptp_cleanup(struct fec_ptp_private *priv);
-+extern int fec_ptp_start(struct fec_ptp_private *priv);
-+extern void fec_ptp_stop(struct fec_ptp_private *priv);
-+extern int fec_ptp_do_txstamp(struct sk_buff *skb);
-+extern void fec_ptp_store_txstamp(struct fec_ptp_private *priv);
-+extern void fec_ptp_store_rxstamp(struct fec_ptp_private *priv,
-+ struct sk_buff *skb,
-+ struct bufdesc *bdp);
-+#else
-+static inline int fec_ptp_init(struct fec_ptp_private *priv, int id)
-+{
-+ return 1;
-+}
-+static inline void fec_ptp_cleanup(struct fec_ptp_private *priv) { }
-+static inline int fec_ptp_start(struct fec_ptp_private *priv)
-+{
-+ return 1;
-+}
-+static inline void fec_ptp_stop(struct fec_ptp_private *priv) {}
-+static inline int fec_ptp_do_txstamp(struct sk_buff *skb)
-+{
-+ return 0;
-+}
-+static inline void fec_ptp_store_txstamp(struct fec_ptp_private *priv) {}
-+static inline void fec_ptp_store_rxstamp(struct fec_ptp_private *priv,
-+ struct sk_buff *skb,
-+ struct bufdesc *bdp) {}
-+#endif /* 1588 */
-+
-+#endif
projects / openwrt / svn-archive / archive.git / blobdiff