/*
* Copyright (C) Freescale Semicondutor, Inc. 2006. All rights reserved.
*
* Author: Shlomi Gridish <gridish@freescale.com>
* Li Yang <leoli@freescale.com>
*
* Description:
* QE UCC Gigabit Ethernet Driver
*
* 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.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/slab.h>
#include <linux/stddef.h>
#include <linux/interrupt.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/spinlock.h>
#include <linux/mm.h>
#include <linux/ethtool.h>
#include <linux/delay.h>
#include <linux/dma-mapping.h>
#include <linux/fsl_devices.h>
#include <linux/ethtool.h>
#include <linux/mii.h>
#include <linux/workqueue.h>
#include <asm/of_platform.h>
#include <asm/uaccess.h>
#include <asm/irq.h>
#include <asm/io.h>
#include <asm/immap_qe.h>
#include <asm/qe.h>
#include <asm/ucc.h>
#include <asm/ucc_fast.h>
#include "ucc_geth.h"
#include "ucc_geth_phy.h"
#undef DEBUG
#define DRV_DESC "QE UCC Gigabit Ethernet Controller version:Sept 11, 2006"
#define DRV_NAME "ucc_geth"
#define ugeth_printk(level, format, arg...) \
printk(level format "\n", ## arg)
#define ugeth_dbg(format, arg...) \
ugeth_printk(KERN_DEBUG , format , ## arg)
#define ugeth_err(format, arg...) \
ugeth_printk(KERN_ERR , format , ## arg)
#define ugeth_info(format, arg...) \
ugeth_printk(KERN_INFO , format , ## arg)
#define ugeth_warn(format, arg...) \
ugeth_printk(KERN_WARNING , format , ## arg)
#ifdef UGETH_VERBOSE_DEBUG
#define ugeth_vdbg ugeth_dbg
#else
#define ugeth_vdbg(fmt, args...) do { } while (0)
#endif /* UGETH_VERBOSE_DEBUG */
static DEFINE_SPINLOCK(ugeth_lock);
static struct ucc_geth_info ugeth_primary_info = {
.uf_info = {
.bd_mem_part = MEM_PART_SYSTEM,
.rtsm = UCC_FAST_SEND_IDLES_BETWEEN_FRAMES,
.max_rx_buf_length = 1536,
/* FIXME: should be changed in run time for 1G and 100M */
#ifdef CONFIG_UGETH_HAS_GIGA
.urfs = UCC_GETH_URFS_GIGA_INIT,
.urfet = UCC_GETH_URFET_GIGA_INIT,
.urfset = UCC_GETH_URFSET_GIGA_INIT,
.utfs = UCC_GETH_UTFS_GIGA_INIT,
.utfet = UCC_GETH_UTFET_GIGA_INIT,
.utftt = UCC_GETH_UTFTT_GIGA_INIT,
#else
.urfs = UCC_GETH_URFS_INIT,
.urfet = UCC_GETH_URFET_INIT,
.urfset = UCC_GETH_URFSET_INIT,
.utfs = UCC_GETH_UTFS_INIT,
.utfet = UCC_GETH_UTFET_INIT,
.utftt = UCC_GETH_UTFTT_INIT,
#endif
.ufpt = 256,
.mode = UCC_FAST_PROTOCOL_MODE_ETHERNET,
.ttx_trx = UCC_FAST_GUMR_TRANSPARENT_TTX_TRX_NORMAL,
.tenc = UCC_FAST_TX_ENCODING_NRZ,
.renc = UCC_FAST_RX_ENCODING_NRZ,
.tcrc = UCC_FAST_16_BIT_CRC,
.synl = UCC_FAST_SYNC_LEN_NOT_USED,
},
.numQueuesTx = 1,
.numQueuesRx = 1,
.extendedFilteringChainPointer = ((uint32_t) NULL),
.typeorlen = 3072 /*1536 */ ,
.nonBackToBackIfgPart1 = 0x40,
.nonBackToBackIfgPart2 = 0x60,
.miminumInterFrameGapEnforcement = 0x50,
.backToBackInterFrameGap = 0x60,
.mblinterval = 128,
.nortsrbytetime = 5,
.fracsiz = 1,
.strictpriorityq = 0xff,
.altBebTruncation = 0xa,
.excessDefer = 1,
.maxRetransmission = 0xf,
.collisionWindow = 0x37,
.receiveFlowControl = 1,
.maxGroupAddrInHash = 4,
.maxIndAddrInHash = 4,
.prel = 7,
.maxFrameLength = 1518,
.minFrameLength = 64,
.maxD1Length = 1520,
.maxD2Length = 1520,
.vlantype = 0x8100,
.ecamptr = ((uint32_t) NULL),
.eventRegMask = UCCE_OTHER,
.pausePeriod = 0xf000,
.interruptcoalescingmaxvalue = {1, 1, 1, 1, 1, 1, 1, 1},
.bdRingLenTx = {
TX_BD_RING_LEN,
TX_BD_RING_LEN,
TX_BD_RING_LEN,
TX_BD_RING_LEN,
TX_BD_RING_LEN,
TX_BD_RING_LEN,
TX_BD_RING_LEN,
TX_BD_RING_LEN},
.bdRingLenRx = {
RX_BD_RING_LEN,
RX_BD_RING_LEN,
RX_BD_RING_LEN,
RX_BD_RING_LEN,
RX_BD_RING_LEN,
RX_BD_RING_LEN,
RX_BD_RING_LEN,
RX_BD_RING_LEN},
.numStationAddresses = UCC_GETH_NUM_OF_STATION_ADDRESSES_1,
.largestexternallookupkeysize =
QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_NONE,
.statisticsMode = UCC_GETH_STATISTICS_GATHERING_MODE_NONE,
.vlanOperationTagged = UCC_GETH_VLAN_OPERATION_TAGGED_NOP,
.vlanOperationNonTagged = UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP,
.rxQoSMode = UCC_GETH_QOS_MODE_DEFAULT,
.aufc = UPSMR_AUTOMATIC_FLOW_CONTROL_MODE_NONE,
.padAndCrc = MACCFG2_PAD_AND_CRC_MODE_PAD_AND_CRC,
.numThreadsTx = UCC_GETH_NUM_OF_THREADS_4,
.numThreadsRx = UCC_GETH_NUM_OF_THREADS_4,
.riscTx = QE_RISC_ALLOCATION_RISC1_AND_RISC2,
.riscRx = QE_RISC_ALLOCATION_RISC1_AND_RISC2,
};
static struct ucc_geth_info ugeth_info[8];
#ifdef DEBUG
static void mem_disp(u8 *addr, int size)
{
u8 *i;
int size16Aling = (size >> 4) << 4;
int size4Aling = (size >> 2) << 2;
int notAlign = 0;
if (size % 16)
notAlign = 1;
for (i = addr; (u32) i < (u32) addr + size16Aling; i += 16)
printk("0x%08x: %08x %08x %08x %08x\r\n",
(u32) i,
*((u32 *) (i)),
*((u32 *) (i + 4)),
*((u32 *) (i + 8)), *((u32 *) (i + 12)));
if (notAlign == 1)
printk("0x%08x: ", (u32) i);
for (; (u32) i < (u32) addr + size4Aling; i += 4)
printk("%08x ", *((u32 *) (i)));
for (; (u32) i < (u32) addr + size; i++)
printk("%02x", *((u8 *) (i)));
if (notAlign == 1)
printk("\r\n");
}
#endif /* DEBUG */
#ifdef CONFIG_UGETH_FILTERING
static void enqueue(struct list_head *node, struct list_head *lh)
{
unsigned long flags;
spin_lock_irqsave(&ugeth_lock, flags);
list_add_tail(node, lh);
spin_unlock_irqrestore(&ugeth_lock, flags);
}
#endif /* CONFIG_UGETH_FILTERING */
static struct list_head *dequeue(struct list_head *lh)
{
unsigned long flags;
spin_lock_irqsave(&ugeth_lock, flags);
if (!list_empty(lh)) {
struct list_head *node = lh->next;
list_del(node);
spin_unlock_irqrestore(&ugeth_lock, flags);
return node;
} else {
spin_unlock_irqrestore(&ugeth_lock, flags);
return NULL;
}
}
static int get_interface_details(enum enet_interface enet_interface,
enum enet_speed *speed,
int *r10m,
int *rmm,
int *rpm,
int *tbi, int *limited_to_full_duplex)
{
/* Analyze enet_interface according to Interface Mode
Configuration table */
switch (enet_interface) {
case ENET_10_MII:
*speed = ENET_SPEED_10BT;
break;
case ENET_10_RMII:
*speed = ENET_SPEED_10BT;
*r10m = 1;
*rmm = 1;
break;
case ENET_10_RGMII:
*speed = ENET_SPEED_10BT;
*rpm = 1;
*r10m = 1;
*limited_to_full_duplex = 1;
break;
case ENET_100_MII:
*speed = ENET_SPEED_100BT;
break;
case ENET_100_RMII:
*speed = ENET_SPEED_100BT;
*rmm = 1;
break;
case ENET_100_RGMII:
*speed = ENET_SPEED_100BT;
*rpm = 1;
*limited_to_full_duplex = 1;
break;
case ENET_1000_GMII:
*speed = ENET_SPEED_1000BT;
*limited_to_full_duplex = 1;
break;
case ENET_1000_RGMII:
*speed = ENET_SPEED_1000BT;
*rpm = 1;
*limited_to_full_duplex = 1;
break;
case ENET_1000_TBI:
*speed = ENET_SPEED_1000BT;
*tbi = 1;
*limited_to_full_duplex = 1;
break;
case ENET_1000_RTBI:
*speed = ENET_SPEED_1000BT;
*rpm = 1;
*tbi = 1;
*limited_to_full_duplex = 1;
break;
default:
return -EINVAL;
break;
}
return 0;
}
static struct sk_buff *get_new_skb(struct ucc_geth_private *ugeth, u8 *bd)
{
struct sk_buff *skb = NULL;
skb = dev_alloc_skb(ugeth->ug_info->uf_info.max_rx_buf_length +
UCC_GETH_RX_DATA_BUF_ALIGNMENT);
if (skb == NULL)
return NULL;
/* We need the data buffer to be aligned properly. We will reserve
* as many bytes as needed to align the data properly
*/
skb_reserve(skb,
UCC_GETH_RX_DATA_BUF_ALIGNMENT -
(((unsigned)skb->data) & (UCC_GETH_RX_DATA_BUF_ALIGNMENT -
1)));
skb->dev = ugeth->dev;
out_be32(&((struct qe_bd *)bd)->buf,
dma_map_single(NULL,
skb->data,
ugeth->ug_info->uf_info.max_rx_buf_length +
UCC_GETH_RX_DATA_BUF_ALIGNMENT,
DMA_FROM_DEVICE));
out_be32((u32 *)bd, (R_E | R_I | (in_be32((u32 *)bd) & R_W)));
return skb;
}
static int rx_bd_buffer_set(struct ucc_geth_private *ugeth, u8 rxQ)
{
u8 *bd;
u32 bd_status;
struct sk_buff *skb;
int i;
bd = ugeth->p_rx_bd_ring[rxQ];
i = 0;
do {
bd_status = in_be32((u32*)bd);
skb = get_new_skb(ugeth, bd);
if (!skb) /* If can not allocate data buffer,
abort. Cleanup will be elsewhere */
return -ENOMEM;
ugeth->rx_skbuff[rxQ][i] = skb;
/* advance the BD pointer */
bd += sizeof(struct qe_bd);
i++;
} while (!(bd_status & R_W));
return 0;
}
static int fill_init_enet_entries(struct ucc_geth_private *ugeth,
volatile u32 *p_start,
u8 num_entries,
u32 thread_size,
u32 thread_alignment,
enum qe_risc_allocation risc,
int skip_page_for_first_entry)
{
u32 init_enet_offset;
u8 i;
int snum;
for (i = 0; i < num_entries; i++) {
if ((snum = qe_get_snum()) < 0) {
ugeth_err("fill_init_enet_entries: Can not get SNUM.");
return snum;
}
if ((i == 0) && skip_page_for_first_entry)
/* First entry of Rx does not have page */
init_enet_offset = 0;
else {
init_enet_offset =
qe_muram_alloc(thread_size, thread_alignment);
if (IS_MURAM_ERR(init_enet_offset)) {
ugeth_err
("fill_init_enet_entries: Can not allocate DPRAM memory.");
qe_put_snum((u8) snum);
return -ENOMEM;
}
}
*(p_start++) =
((u8) snum << ENET_INIT_PARAM_SNUM_SHIFT) | init_enet_offset
| risc;
}
return 0;
}
static int return_init_enet_entries(struct ucc_geth_private *ugeth,
volatile u32 *p_start,
u8 num_entries,
enum qe_risc_allocation risc,
int skip_page_for_first_entry)
{
u32 init_enet_offset;
u8 i;
int snum;
for (i = 0; i < num_entries; i++) {
/* Check that this entry was actually valid --
needed in case failed in allocations */
if ((*p_start & ENET_INIT_PARAM_RISC_MASK) == risc) {
snum =
(u32) (*p_start & ENET_INIT_PARAM_SNUM_MASK) >>
ENET_INIT_PARAM_SNUM_SHIFT;
qe_put_snum((u8) snum);
if (!((i == 0) && skip_page_for_first_entry)) {
/* First entry of Rx does not have page */
init_enet_offset =
(in_be32(p_start) &
ENET_INIT_PARAM_PTR_MASK);
qe_muram_free(init_enet_offset);
}
*(p_start++) = 0; /* Just for cosmetics */
}
}
return 0;
}
#ifdef DEBUG
static int dump_init_enet_entries(struct ucc_geth_private *ugeth,
volatile u32 *p_start,
u8 num_entries,
u32 thread_size,
enum qe_risc_allocation risc,
int skip_page_for_first_entry)
{
u32 init_enet_offset;
u8 i;
int snum;
for (i = 0; i < num_entries; i++) {
/* Check that this entry was actually valid --
needed in case failed in allocations */
if ((*p_start & ENET_INIT_PARAM_RISC_MASK) == risc) {
snum =
(u32) (*p_start & ENET_INIT_PARAM_SNUM_MASK) >>
ENET_INIT_PARAM_SNUM_SHIFT;
qe_put_snum((u8) snum);
if (!((i == 0) && skip_page_for_first_entry)) {
/* First entry of Rx does not have page */
init_enet_offset =
(in_be32(p_start) &
ENET_INIT_PARAM_PTR_MASK);
ugeth_info("Init enet entry %d:", i);
ugeth_info("Base address: 0x%08x",
(u32)
qe_muram_addr(init_enet_offset));
mem_disp(qe_muram_addr(init_enet_offset),
thread_size);
}
p_start++;
}
}
return 0;
}
#endif
#ifdef CONFIG_UGETH_FILTERING
static struct enet_addr_container *get_enet_addr_container(void)
{
struct enet_addr_container *enet_addr_cont;
/* allocate memory */
enet_addr_cont = kmalloc(sizeof(struct enet_addr_container), GFP_KERNEL);
if (!enet_addr_cont) {
ugeth_err("%s: No memory for enet_addr_container object.",
__FUNCTION__);
return NULL;
}
return enet_addr_cont;
}
#endif /* CONFIG_UGETH_FILTERING */
static void put_enet_addr_container(struct enet_addr_container *enet_addr_cont)
{
kfree(enet_addr_cont);
}
static void set_mac_addr(__be16 __iomem *reg, u8 *mac)
{
out_be16(®[0], ((u16)mac[5] << 8) | mac[4]);
out_be16(®[1], ((u16)mac[3] << 8) | mac[2]);
out_be16(®[2], ((u16)mac[1] << 8) | mac[0]);
}
#ifdef CONFIG_UGETH_FILTERING
static int hw_add_addr_in_paddr(struct ucc_geth_private *ugeth,
u8 *p_enet_addr, u8 paddr_num)
{
struct ucc_geth_82xx_address_filtering_pram *p_82xx_addr_filt;
if (!(paddr_num < NUM_OF_PADDRS)) {
ugeth_warn("%s: Illegal paddr_num.", __FUNCTION__);
return -EINVAL;
}
p_82xx_addr_filt =
(struct ucc_geth_82xx_address_filtering_pram *) ugeth->p_rx_glbl_pram->
addressfiltering;
/* Ethernet frames are defined in Little Endian mode, */
/* therefore to insert the address we reverse the bytes. */
set_mac_addr(&p_82xx_addr_filt->paddr[paddr_num].h, p_enet_addr);
return 0;
}
#endif /* CONFIG_UGETH_FILTERING */
static int hw_clear_addr_in_paddr(struct ucc_geth_private *ugeth, u8 paddr_num)
{
struct ucc_geth_82xx_address_filtering_pram *p_82xx_addr_filt;
if (!(paddr_num < NUM_OF_PADDRS)) {
ugeth_warn("%s: Illagel paddr_num.", __FUNCTION__);
return -EINVAL;
}
p_82xx_addr_filt =
(struct ucc_geth_82xx_address_filtering_pram *) ugeth->p_rx_glbl_pram->
addressfiltering;
/* Writing address ff.ff.ff.ff.ff.ff disables address
recognition for this register */
out_be16(&p_82xx_addr_filt->paddr[paddr_num].h, 0xffff);
out_be16(&p_82xx_addr_filt->paddr[paddr_num].m, 0xffff);
out_be16(&p_82xx_addr_filt->paddr[paddr_num].l, 0xffff);
return 0;
}
static void hw_add_addr_in_hash(struct ucc_geth_private *ugeth,
u8 *p_enet_addr)
{
struct ucc_geth_82xx_address_filtering_pram *p_82xx_addr_filt;
u32 cecr_subblock;
p_82xx_addr_filt =
(struct ucc_geth_82xx_address_filtering_pram *) ugeth->p_rx_glbl_pram->
addressfiltering;
cecr_subblock =
ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
/* Ethernet frames are defined in Little Endian mode,
therefor to insert */
/* the address to the hash (Big Endian mode), we reverse the bytes.*/
set_mac_addr(&p_82xx_addr_filt->taddr.h, p_enet_addr);
qe_issue_cmd(QE_SET_GROUP_ADDRESS, cecr_subblock,
QE_CR_PROTOCOL_ETHERNET, 0);
}
#ifdef CONFIG_UGETH_MAGIC_PACKET
static void magic_packet_detection_enable(struct ucc_geth_private *ugeth)
{
struct ucc_fast_private *uccf;
struct ucc_geth *ug_regs;
u32 maccfg2, uccm;
uccf = ugeth->uccf;
ug_regs = ugeth->ug_regs;
/* Enable interrupts for magic packet detection */
uccm = in_be32(uccf->p_uccm);
uccm |= UCCE_MPD;
out_be32(uccf->p_uccm, uccm);
/* Enable magic packet detection */
maccfg2 = in_be32(&ug_regs->maccfg2);
maccfg2 |= MACCFG2_MPE;
out_be32(&ug_regs->maccfg2, maccfg2);
}
static void magic_packet_detection_disable(struct ucc_geth_private *ugeth)
{
struct ucc_fast_private *uccf;
struct ucc_geth *ug_regs;
u32 maccfg2, uccm;
uccf = ugeth->uccf;
ug_regs = ugeth->ug_regs;
/* Disable interrupts for magic packet detection */
uccm = in_be32(uccf->p_uccm);
uccm &= ~UCCE_MPD;
out_be32(uccf->p_uccm, uccm);
/* Disable magic packet detection */
maccfg2 = in_be32(&ug_regs->maccfg2);
maccfg2 &= ~MACCFG2_MPE;
out_be32(&ug_regs->maccfg2, maccfg2);
}
#endif /* MAGIC_PACKET */
static inline int compare_addr(u8 **addr1, u8 **addr2)
{
return memcmp(addr1, addr2, ENET_NUM_OCTETS_PER_ADDRESS);
}
#ifdef DEBUG
static void get_statistics(struct ucc_geth_private *ugeth,
struct ucc_geth_tx_firmware_statistics *
tx_firmware_statistics,
struct ucc_geth_rx_firmware_statistics *
rx_firmware_statistics,
struct ucc_geth_hardware_statistics *hardware_statistics)
{
struct ucc_fast *uf_regs;
struct ucc_geth *ug_regs;
struct ucc_geth_tx_firmware_statistics_pram *p_tx_fw_statistics_pram;
struct ucc_geth_rx_firmware_statistics_pram *p_rx_fw_statistics_pram;
ug_regs = ugeth->ug_regs;
uf_regs = (struct ucc_fast *) ug_regs;
p_tx_fw_statistics_pram = ugeth->p_tx_fw_statistics_pram;
p_rx_fw_statistics_pram = ugeth->p_rx_fw_statistics_pram;
/* Tx firmware only if user handed pointer and driver actually
gathers Tx firmware statistics */
if (tx_firmware_statistics && p_tx_fw_statistics_pram) {
tx_firmware_statistics->sicoltx =
in_be32(&p_tx_fw_statistics_pram->sicoltx);
tx_firmware_statistics->mulcoltx =
in_be32(&p_tx_fw_statistics_pram->mulcoltx);
tx_firmware_statistics->latecoltxfr =
in_be32(&p_tx_fw_statistics_pram->latecoltxfr);
tx_firmware_statistics->frabortduecol =
in_be32(&p_tx_fw_statistics_pram->frabortduecol);
tx_firmware_statistics->frlostinmactxer =
in_be32(&p_tx_fw_statistics_pram->frlostinmactxer);
tx_firmware_statistics->carriersenseertx =
in_be32(&p_tx_fw_statistics_pram->carriersenseertx);
tx_firmware_statistics->frtxok =
in_be32(&p_tx_fw_statistics_pram->frtxok);
tx_firmware_statistics->txfrexcessivedefer =
in_be32(&p_tx_fw_statistics_pram->txfrexcessivedefer);
tx_firmware_statistics->txpkts256 =
in_be32(&p_tx_fw_statistics_pram->txpkts256);
tx_firmware_statistics->txpkts512 =
in_be32(&p_tx_fw_statistics_pram->txpkts512);
tx_firmware_statistics->txpkts1024 =
in_be32(&p_tx_fw_statistics_pram->txpkts1024);
tx_firmware_statistics->txpktsjumbo =
in_be32(&p_tx_fw_statistics_pram->txpktsjumbo);
}
/* Rx firmware only if user handed pointer and driver actually
* gathers Rx firmware statistics */
if (rx_firmware_statistics && p_rx_fw_statistics_pram) {
int i;
rx_firmware_statistics->frrxfcser =
in_be32(&p_rx_fw_statistics_pram->frrxfcser);
rx_firmware_statistics->fraligner =
in_be32(&p_rx_fw_statistics_pram->fraligner);
rx_firmware_statistics->inrangelenrxer =
in_be32(&p_rx_fw_statistics_pram->inrangelenrxer);
rx_firmware_statistics->outrangelenrxer =
in_be32(&p_rx_fw_statistics_pram->outrangelenrxer);
rx_firmware_statistics->frtoolong =
in_be32(&p_rx_fw_statistics_pram->frtoolong);
rx_firmware_statistics->runt =
in_be32(&p_rx_fw_statistics_pram->runt);
rx_firmware_statistics->verylongevent =
in_be32(&p_rx_fw_statistics_pram->verylongevent);
rx_firmware_statistics->symbolerror =
in_be32(&p_rx_fw_statistics_pram->symbolerror);
rx_firmware_statistics->dropbsy =
in_be32(&p_rx_fw_statistics_pram->dropbsy);
for (i = 0; i < 0x8; i++)
rx_firmware_statistics->res0[i] =
p_rx_fw_statistics_pram->res0[i];
rx_firmware_statistics->mismatchdrop =
in_be32(&p_rx_fw_statistics_pram->mismatchdrop);
rx_firmware_statistics->underpkts =
in_be32(&p_rx_fw_statistics_pram->underpkts);
rx_firmware_statistics->pkts256 =
in_be32(&p_rx_fw_statistics_pram->pkts256);
rx_firmware_statistics->pkts512 =
in_be32(&p_rx_fw_statistics_pram->pkts512);
rx_firmware_statistics->pkts1024 =
in_be32(&p_rx_fw_statistics_pram->pkts1024);
rx_firmware_statistics->pktsjumbo =
in_be32(&p_rx_fw_statistics_pram->pktsjumbo);
rx_firmware_statistics->frlossinmacer =
in_be32(&p_rx_fw_statistics_pram->frlossinmacer);
rx_firmware_statistics->pausefr =
in_be32(&p_rx_fw_statistics_pram->pausefr);
for (i = 0; i < 0x4; i++)
rx_firmware_statistics->res1[i] =
p_rx_fw_statistics_pram->res1[i];
rx_firmware_statistics->removevlan =
in_be32(&p_rx_fw_statistics_pram->removevlan);
rx_firmware_statistics->replacevlan =
in_be32(&p_rx_fw_statistics_pram->replacevlan);
rx_firmware_statistics->insertvlan =
in_be32(&p_rx_fw_statistics_pram->insertvlan);
}
/* Hardware only if user handed pointer and driver actually
gathers hardware statistics */
if (hardware_statistics && (in_be32(&uf_regs->upsmr) & UPSMR_HSE)) {
hardware_statistics->tx64 = in_be32(&ug_regs->tx64);
hardware_statistics->tx127 = in_be32(&ug_regs->tx127);
hardware_statistics->tx255 = in_be32(&ug_regs->tx255);
hardware_statistics->rx64 = in_be32(&ug_regs->rx64);
hardware_statistics->rx127 = in_be32(&ug_regs->rx127);
hardware_statistics->rx255 = in_be32(&ug_regs->rx255);
hardware_statistics->txok = in_be32(&ug_regs->txok);
hardware_statistics->txcf = in_be16(&ug_regs->txcf);
hardware_statistics->tmca = in_be32(&ug_regs->tmca);
hardware_statistics->tbca = in_be32(&ug_regs->tbca);
hardware_statistics->rxfok = in_be32(&ug_regs->rxfok);
hardware_statistics->rxbok = in_be32(&ug_regs->rxbok);
hardware_statistics->rbyt = in_be32(&ug_regs->rbyt);
hardware_statistics->rmca = in_be32(&ug_regs->rmca);
hardware_statistics->rbca = in_be32(&ug_regs->rbca);
}
}
static void dump_bds(struct ucc_geth_private *ugeth)
{
int i;
int length;
for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) {
if (ugeth->p_tx_bd_ring[i]) {
length =
(ugeth->ug_info->bdRingLenTx[i] *
sizeof(struct qe_bd));
ugeth_info("TX BDs[%d]", i);
mem_disp(ugeth->p_tx_bd_ring[i], length);
}
}
for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
if (ugeth->p_rx_bd_ring[i]) {
length =
(ugeth->ug_info->bdRingLenRx[i] *
sizeof(struct qe_bd));
ugeth_info("RX BDs[%d]", i);
mem_disp(ugeth->p_rx_bd_ring[i], length);
}
}
}
static void dump_regs(struct ucc_geth_private *ugeth)
{
int i;
ugeth_info("UCC%d Geth registers:", ugeth->ug_info->uf_info.ucc_num);
ugeth_info("Base address: 0x%08x", (u32) ugeth->ug_regs);
ugeth_info("maccfg1 : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->ug_regs->maccfg1,
in_be32(&ugeth->ug_regs->maccfg1));
ugeth_info("maccfg2 : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->ug_regs->maccfg2,
in_be32(&ugeth->ug_regs->maccfg2));
ugeth_info("ipgifg : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->ug_regs->ipgifg,
in_be32(&ugeth->ug_regs->ipgifg));
ugeth_info("hafdup : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->ug_regs->hafdup,
in_be32(&ugeth->ug_regs->hafdup));
ugeth_info("miimcfg : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->ug_regs->miimng.miimcfg,
in_be32(&ugeth->ug_regs->miimng.miimcfg));
ugeth_info("miimcom : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->ug_regs->miimng.miimcom,
in_be32(&ugeth->ug_regs->miimng.miimcom));
ugeth_info("miimadd : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->ug_regs->miimng.miimadd,
in_be32(&ugeth->ug_regs->miimng.miimadd));
ugeth_info("miimcon : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->ug_regs->miimng.miimcon,
in_be32(&ugeth->ug_regs->miimng.miimcon));
ugeth_info("miimstat : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->ug_regs->miimng.miimstat,
in_be32(&ugeth->ug_regs->miimng.miimstat));
ugeth_info("miimmind : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->ug_regs->miimng.miimind,
in_be32(&ugeth->ug_regs->miimng.miimind));
ugeth_info("ifctl : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->ug_regs->ifctl,
in_be32(&ugeth->ug_regs->ifctl));
ugeth_info("ifstat : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->ug_regs->ifstat,
in_be32(&ugeth->ug_regs->ifstat));
ugeth_info("macstnaddr1: addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->ug_regs->macstnaddr1,
in_be32(&ugeth->ug_regs->macstnaddr1));
ugeth_info("macstnaddr2: addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->ug_regs->macstnaddr2,
in_be32(&ugeth->ug_regs->macstnaddr2));
ugeth_info("uempr : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->ug_regs->uempr,
in_be32(&ugeth->ug_regs->uempr));
ugeth_info("utbipar : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->ug_regs->utbipar,
in_be32(&ugeth->ug_regs->utbipar));
ugeth_info("uescr : addr - 0x%08x, val - 0x%04x",
(u32) & ugeth->ug_regs->uescr,
in_be16(&ugeth->ug_regs->uescr));
ugeth_info("tx64 : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->ug_regs->tx64,
in_be32(&ugeth->ug_regs->tx64));
ugeth_info("tx127 : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->ug_regs->tx127,
in_be32(&ugeth->ug_regs->tx127));
ugeth_info("tx255 : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->ug_regs->tx255,
in_be32(&ugeth->ug_regs->tx255));
ugeth_info("rx64 : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->ug_regs->rx64,
in_be32(&ugeth->ug_regs->rx64));
ugeth_info("rx127 : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->ug_regs->rx127,
in_be32(&ugeth->ug_regs->rx127));
ugeth_info("rx255 : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->ug_regs->rx255,
in_be32(&ugeth->ug_regs->rx255));
ugeth_info("txok : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->ug_regs->txok,
in_be32(&ugeth->ug_regs->txok));
ugeth_info("txcf : addr - 0x%08x, val - 0x%04x",
(u32) & ugeth->ug_regs->txcf,
in_be16(&ugeth->ug_regs->txcf));
ugeth_info("tmca : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->ug_regs->tmca,
in_be32(&ugeth->ug_regs->tmca));
ugeth_info("tbca : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->ug_regs->tbca,
in_be32(&ugeth->ug_regs->tbca));
ugeth_info("rxfok : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->ug_regs->rxfok,
in_be32(&ugeth->ug_regs->rxfok));
ugeth_info("rxbok : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->ug_regs->rxbok,
in_be32(&ugeth->ug_regs->rxbok));
ugeth_info("rbyt : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->ug_regs->rbyt,
in_be32(&ugeth->ug_regs->rbyt));
ugeth_info("rmca : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->ug_regs->rmca,
in_be32(&ugeth->ug_regs->rmca));
ugeth_info("rbca : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->ug_regs->rbca,
in_be32(&ugeth->ug_regs->rbca));
ugeth_info("scar : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->ug_regs->scar,
in_be32(&ugeth->ug_regs->scar));
ugeth_info("scam : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->ug_regs->scam,
in_be32(&ugeth->ug_regs->scam));
if (ugeth->p_thread_data_tx) {
int numThreadsTxNumerical;
switch (ugeth->ug_info->numThreadsTx) {
case UCC_GETH_NUM_OF_THREADS_1:
numThreadsTxNumerical = 1;
break;
case UCC_GETH_NUM_OF_THREADS_2:
numThreadsTxNumerical = 2;
break;
case UCC_GETH_NUM_OF_THREADS_4:
numThreadsTxNumerical = 4;
break;
case UCC_GETH_NUM_OF_THREADS_6:
numThreadsTxNumerical = 6;
break;
case UCC_GETH_NUM_OF_THREADS_8:
numThreadsTxNumerical = 8;
break;
default:
numThreadsTxNumerical = 0;
break;
}
ugeth_info("Thread data TXs:");
ugeth_info("Base address: 0x%08x",
(u32) ugeth->p_thread_data_tx);
for (i = 0; i < numThreadsTxNumerical; i++) {
ugeth_info("Thread data TX[%d]:", i);
ugeth_info("Base address: 0x%08x",
(u32) & ugeth->p_thread_data_tx[i]);
mem_disp((u8 *) & ugeth->p_thread_data_tx[i],
sizeof(struct ucc_geth_thread_data_tx));
}
}
if (ugeth->p_thread_data_rx) {
int numThreadsRxNumerical;
switch (ugeth->ug_info->numThreadsRx) {
case UCC_GETH_NUM_OF_THREADS_1:
numThreadsRxNumerical = 1;
break;
case UCC_GETH_NUM_OF_THREADS_2:
numThreadsRxNumerical = 2;
break;
case UCC_GETH_NUM_OF_THREADS_4:
numThreadsRxNumerical = 4;
break;
case UCC_GETH_NUM_OF_THREADS_6:
numThreadsRxNumerical = 6;
break;
case UCC_GETH_NUM_OF_THREADS_8:
numThreadsRxNumerical = 8;
break;
default:
numThreadsRxNumerical = 0;
break;
}
ugeth_info("Thread data RX:");
ugeth_info("Base address: 0x%08x",
(u32) ugeth->p_thread_data_rx);
for (i = 0; i < numThreadsRxNumerical; i++) {
ugeth_info("Thread data RX[%d]:", i);
ugeth_info("Base address: 0x%08x",
(u32) & ugeth->p_thread_data_rx[i]);
mem_disp((u8 *) & ugeth->p_thread_data_rx[i],
sizeof(struct ucc_geth_thread_data_rx));
}
}
if (ugeth->p_exf_glbl_param) {
ugeth_info("EXF global param:");
ugeth_info("Base address: 0x%08x",
(u32) ugeth->p_exf_glbl_param);
mem_disp((u8 *) ugeth->p_exf_glbl_param,
sizeof(*ugeth->p_exf_glbl_param));
}
if (ugeth->p_tx_glbl_pram) {
ugeth_info("TX global param:");
ugeth_info("Base address: 0x%08x", (u32) ugeth->p_tx_glbl_pram);
ugeth_info("temoder : addr - 0x%08x, val - 0x%04x",
(u32) & ugeth->p_tx_glbl_pram->temoder,
in_be16(&ugeth->p_tx_glbl_pram->temoder));
ugeth_info("sqptr : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->p_tx_glbl_pram->sqptr,
in_be32(&ugeth->p_tx_glbl_pram->sqptr));
ugeth_info("schedulerbasepointer: addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->p_tx_glbl_pram->schedulerbasepointer,
in_be32(&ugeth->p_tx_glbl_pram->
schedulerbasepointer));
ugeth_info("txrmonbaseptr: addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->p_tx_glbl_pram->txrmonbaseptr,
in_be32(&ugeth->p_tx_glbl_pram->txrmonbaseptr));
ugeth_info("tstate : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->p_tx_glbl_pram->tstate,
in_be32(&ugeth->p_tx_glbl_pram->tstate));
ugeth_info("iphoffset[0] : addr - 0x%08x, val - 0x%02x",
(u32) & ugeth->p_tx_glbl_pram->iphoffset[0],
ugeth->p_tx_glbl_pram->iphoffset[0]);
ugeth_info("iphoffset[1] : addr - 0x%08x, val - 0x%02x",
(u32) & ugeth->p_tx_glbl_pram->iphoffset[1],
ugeth->p_tx_glbl_pram->iphoffset[1]);
ugeth_info("iphoffset[2] : addr - 0x%08x, val - 0x%02x",
(u32) & ugeth->p_tx_glbl_pram->iphoffset[2],
ugeth->p_tx_glbl_pram->iphoffset[2]);
ugeth_info("iphoffset[3] : addr - 0x%08x, val - 0x%02x",
(u32) & ugeth->p_tx_glbl_pram->iphoffset[3],
ugeth->p_tx_glbl_pram->iphoffset[3]);
ugeth_info("iphoffset[4] : addr - 0x%08x, val - 0x%02x",
(u32) & ugeth->p_tx_glbl_pram->iphoffset[4],
ugeth->p_tx_glbl_pram->iphoffset[4]);
ugeth_info("iphoffset[5] : addr - 0x%08x, val - 0x%02x",
(u32) & ugeth->p_tx_glbl_pram->iphoffset[5],
ugeth->p_tx_glbl_pram->iphoffset[5]);
ugeth_info("iphoffset[6] : addr - 0x%08x, val - 0x%02x",
(u32) & ugeth->p_tx_glbl_pram->iphoffset[6],
ugeth->p_tx_glbl_pram->iphoffset[6]);
ugeth_info("iphoffset[7] : addr - 0x%08x, val - 0x%02x",
(u32) & ugeth->p_tx_glbl_pram->iphoffset[7],
ugeth->p_tx_glbl_pram->iphoffset[7]);
ugeth_info("vtagtable[0] : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->p_tx_glbl_pram->vtagtable[0],
in_be32(&ugeth->p_tx_glbl_pram->vtagtable[0]));
ugeth_info("vtagtable[1] : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->p_tx_glbl_pram->vtagtable[1],
in_be32(&ugeth->p_tx_glbl_pram->vtagtable[1]));
ugeth_info("vtagtable[2] : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->p_tx_glbl_pram->vtagtable[2],
in_be32(&ugeth->p_tx_glbl_pram->vtagtable[2]));
ugeth_info("vtagtable[3] : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->p_tx_glbl_pram->vtagtable[3],
in_be32(&ugeth->p_tx_glbl_pram->vtagtable[3]));
ugeth_info("vtagtable[4] : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->p_tx_glbl_pram->vtagtable[4],
in_be32(&ugeth->p_tx_glbl_pram->vtagtable[4]));
ugeth_info("vtagtable[5] : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->p_tx_glbl_pram->vtagtable[5],
in_be32(&ugeth->p_tx_glbl_pram->vtagtable[5]));
ugeth_info("vtagtable[6] : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->p_tx_glbl_pram->vtagtable[6],
in_be32(&ugeth->p_tx_glbl_pram->vtagtable[6]));
ugeth_info("vtagtable[7] : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->p_tx_glbl_pram->vtagtable[7],
in_be32(&ugeth->p_tx_glbl_pram->vtagtable[7]));
ugeth_info("tqptr : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->p_tx_glbl_pram->tqptr,
in_be32(&ugeth->p_tx_glbl_pram->tqptr));
}
if (ugeth->p_rx_glbl_pram) {
ugeth_info("RX global param:");
ugeth_info("Base address: 0x%08x", (u32) ugeth->p_rx_glbl_pram);
ugeth_info("remoder : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->p_rx_glbl_pram->remoder,
in_be32(&ugeth->p_rx_glbl_pram->remoder));
ugeth_info("rqptr : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->p_rx_glbl_pram->rqptr,
in_be32(&ugeth->p_rx_glbl_pram->rqptr));
ugeth_info("typeorlen : addr - 0x%08x, val - 0x%04x",
(u32) & ugeth->p_rx_glbl_pram->typeorlen,
in_be16(&ugeth->p_rx_glbl_pram->typeorlen));
ugeth_info("rxgstpack : addr - 0x%08x, val - 0x%02x",
(u32) & ugeth->p_rx_glbl_pram->rxgstpack,
ugeth->p_rx_glbl_pram->rxgstpack);
ugeth_info("rxrmonbaseptr : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->p_rx_glbl_pram->rxrmonbaseptr,
in_be32(&ugeth->p_rx_glbl_pram->rxrmonbaseptr));
ugeth_info("intcoalescingptr: addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->p_rx_glbl_pram->intcoalescingptr,
in_be32(&ugeth->p_rx_glbl_pram->intcoalescingptr));
ugeth_info("rstate : addr - 0x%08x, val - 0x%02x",
(u32) & ugeth->p_rx_glbl_pram->rstate,
ugeth->p_rx_glbl_pram->rstate);
ugeth_info("mrblr : addr - 0x%08x, val - 0x%04x",
(u32) & ugeth->p_rx_glbl_pram->mrblr,
in_be16(&ugeth->p_rx_glbl_pram->mrblr));
ugeth_info("rbdqptr : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->p_rx_glbl_pram->rbdqptr,
in_be32(&ugeth->p_rx_glbl_pram->rbdqptr));
ugeth_info("mflr : addr - 0x%08x, val - 0x%04x",
(u32) & ugeth->p_rx_glbl_pram->mflr,
in_be16(&ugeth->p_rx_glbl_pram->mflr));
ugeth_info("minflr : addr - 0x%08x, val - 0x%04x",
(u32) & ugeth->p_rx_glbl_pram->minflr,
in_be16(&ugeth->p_rx_glbl_pram->minflr));
ugeth_info("maxd1 : addr - 0x%08x, val - 0x%04x",
(u32) & ugeth->p_rx_glbl_pram->maxd1,
in_be16(&ugeth->p_rx_glbl_pram->maxd1));
ugeth_info("maxd2 : addr - 0x%08x, val - 0x%04x",
(u32) & ugeth->p_rx_glbl_pram->maxd2,
in_be16(&ugeth->p_rx_glbl_pram->maxd2));
ugeth_info("ecamptr : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->p_rx_glbl_pram->ecamptr,
in_be32(&ugeth->p_rx_glbl_pram->ecamptr));
ugeth_info("l2qt : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->p_rx_glbl_pram->l2qt,
in_be32(&ugeth->p_rx_glbl_pram->l2qt));
ugeth_info("l3qt[0] : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->p_rx_glbl_pram->l3qt[0],
in_be32(&ugeth->p_rx_glbl_pram->l3qt[0]));
ugeth_info("l3qt[1] : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->p_rx_glbl_pram->l3qt[1],
in_be32(&ugeth->p_rx_glbl_pram->l3qt[1]));
ugeth_info("l3qt[2] : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->p_rx_glbl_pram->l3qt[2],
in_be32(&ugeth->p_rx_glbl_pram->l3qt[2]));
ugeth_info("l3qt[3] : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->p_rx_glbl_pram->l3qt[3],
in_be32(&ugeth->p_rx_glbl_pram->l3qt[3]));
ugeth_info("l3qt[4] : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->p_rx_glbl_pram->l3qt[4],
in_be32(&ugeth->p_rx_glbl_pram->l3qt[4]));
ugeth_info("l3qt[5] : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->p_rx_glbl_pram->l3qt[5],
in_be32(&ugeth->p_rx_glbl_pram->l3qt[5]));
ugeth_info("l3qt[6] : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->p_rx_glbl_pram->l3qt[6],
in_be32(&ugeth->p_rx_glbl_pram->l3qt[6]));
ugeth_info("l3qt[7] : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->p_rx_glbl_pram->l3qt[7],
in_be32(&ugeth->p_rx_glbl_pram->l3qt[7]));
ugeth_info("vlantype : addr - 0x%08x, val - 0x%04x",
(u32) & ugeth->p_rx_glbl_pram->vlantype,
in_be16(&ugeth->p_rx_glbl_pram->vlantype));
ugeth_info("vlantci : addr - 0x%08x, val - 0x%04x",
(u32) & ugeth->p_rx_glbl_pram->vlantci,
in_be16(&ugeth->p_rx_glbl_pram->vlantci));
for (i = 0; i < 64; i++)
ugeth_info
("addressfiltering[%d]: addr - 0x%08x, val - 0x%02x",
i,
(u32) & ugeth->p_rx_glbl_pram->addressfiltering[i],
ugeth->p_rx_glbl_pram->addressfiltering[i]);
ugeth_info("exfGlobalParam : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->p_rx_glbl_pram->exfGlobalParam,
in_be32(&ugeth->p_rx_glbl_pram->exfGlobalParam));
}
if (ugeth->p_send_q_mem_reg) {
ugeth_info("Send Q memory registers:");
ugeth_info("Base address: 0x%08x",
(u32) ugeth->p_send_q_mem_reg);
for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) {
ugeth_info("SQQD[%d]:", i);
ugeth_info("Base address: 0x%08x",
(u32) & ugeth->p_send_q_mem_reg->sqqd[i]);
mem_disp((u8 *) & ugeth->p_send_q_mem_reg->sqqd[i],
sizeof(struct ucc_geth_send_queue_qd));
}
}
if (ugeth->p_scheduler) {
ugeth_info("Scheduler:");
ugeth_info("Base address: 0x%08x", (u32) ugeth->p_scheduler);
mem_disp((u8 *) ugeth->p_scheduler,
sizeof(*ugeth->p_scheduler));
}
if (ugeth->p_tx_fw_statistics_pram) {
ugeth_info("TX FW statistics pram:");
ugeth_info("Base address: 0x%08x",
(u32) ugeth->p_tx_fw_statistics_pram);
mem_disp((u8 *) ugeth->p_tx_fw_statistics_pram,
sizeof(*ugeth->p_tx_fw_statistics_pram));
}
if (ugeth->p_rx_fw_statistics_pram) {
ugeth_info("RX FW statistics pram:");
ugeth_info("Base address: 0x%08x",
(u32) ugeth->p_rx_fw_statistics_pram);
mem_disp((u8 *) ugeth->p_rx_fw_statistics_pram,
sizeof(*ugeth->p_rx_fw_statistics_pram));
}
if (ugeth->p_rx_irq_coalescing_tbl) {
ugeth_info("RX IRQ coalescing tables:");
ugeth_info("Base address: 0x%08x",
(u32) ugeth->p_rx_irq_coalescing_tbl);
for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
ugeth_info("RX IRQ coalescing table entry[%d]:", i);
ugeth_info("Base address: 0x%08x",
(u32) & ugeth->p_rx_irq_coalescing_tbl->
coalescingentry[i]);
ugeth_info
("interruptcoalescingmaxvalue: addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->p_rx_irq_coalescing_tbl->
coalescingentry[i].interruptcoalescingmaxvalue,
in_be32(&ugeth->p_rx_irq_coalescing_tbl->
coalescingentry[i].
interruptcoalescingmaxvalue));
ugeth_info
("interruptcoalescingcounter : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->p_rx_irq_coalescing_tbl->
coalescingentry[i].interruptcoalescingcounter,
in_be32(&ugeth->p_rx_irq_coalescing_tbl->
coalescingentry[i].
interruptcoalescingcounter));
}
}
if (ugeth->p_rx_bd_qs_tbl) {
ugeth_info("RX BD QS tables:");
ugeth_info("Base address: 0x%08x", (u32) ugeth->p_rx_bd_qs_tbl);
for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
ugeth_info("RX BD QS table[%d]:", i);
ugeth_info("Base address: 0x%08x",
(u32) & ugeth->p_rx_bd_qs_tbl[i]);
ugeth_info
("bdbaseptr : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->p_rx_bd_qs_tbl[i].bdbaseptr,
in_be32(&ugeth->p_rx_bd_qs_tbl[i].bdbaseptr));
ugeth_info
("bdptr : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->p_rx_bd_qs_tbl[i].bdptr,
in_be32(&ugeth->p_rx_bd_qs_tbl[i].bdptr));
ugeth_info
("externalbdbaseptr: addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
in_be32(&ugeth->p_rx_bd_qs_tbl[i].
externalbdbaseptr));
ugeth_info
("externalbdptr : addr - 0x%08x, val - 0x%08x",
(u32) & ugeth->p_rx_bd_qs_tbl[i].externalbdptr,
in_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdptr));
ugeth_info("ucode RX Prefetched BDs:");
ugeth_info("Base address: 0x%08x",
(u32)
qe_muram_addr(in_be32
(&ugeth->p_rx_bd_qs_tbl[i].
bdbaseptr)));
mem_disp((u8 *)
qe_muram_addr(in_be32
(&ugeth->p_rx_bd_qs_tbl[i].
bdbaseptr)),
sizeof(struct ucc_geth_rx_prefetched_bds));
}
}
if (ugeth->p_init_enet_param_shadow) {
int size;
ugeth_info("Init enet param shadow:");
ugeth_info("Base address: 0x%08x",
(u32) ugeth->p_init_enet_param_shadow);
mem_disp((u8 *) ugeth->p_init_enet_param_shadow,
sizeof(*ugeth->p_init_enet_param_shadow));
size = sizeof(struct ucc_geth_thread_rx_pram);
if (ugeth->ug_info->rxExtendedFiltering) {
size +=
THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING;
if (ugeth->ug_info->largestexternallookupkeysize ==
QE_FLTR_TABLE_LOOKUP_KEY_SIZE_8_BYTES)
size +=
THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8;
if (ugeth->ug_info->largestexternallookupkeysize ==
QE_FLTR_TABLE_LOOKUP_KEY_SIZE_16_BYTES)
size +=
THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16;
}
dump_init_enet_entries(ugeth,
&(ugeth->p_init_enet_param_shadow->
txthread[0]),
ENET_INIT_PARAM_MAX_ENTRIES_TX,
sizeof(struct ucc_geth_thread_tx_pram),
ugeth->ug_info->riscTx, 0);
dump_init_enet_entries(ugeth,
&(ugeth->p_init_enet_param_shadow->
rxthread[0]),
ENET_INIT_PARAM_MAX_ENTRIES_RX, size,
ugeth->ug_info->riscRx, 1);
}
}
#endif /* DEBUG */
static void init_default_reg_vals(volatile u32 *upsmr_register,
volatile u32 *maccfg1_register,
volatile u32 *maccfg2_register)
{
out_be32(upsmr_register, UCC_GETH_UPSMR_INIT);
out_be32(maccfg1_register, UCC_GETH_MACCFG1_INIT);
out_be32(maccfg2_register, UCC_GETH_MACCFG2_INIT);
}
static int init_half_duplex_params(int alt_beb,
int back_pressure_no_backoff,
int no_backoff,
int excess_defer,
u8 alt_beb_truncation,
u8 max_retransmissions,
u8 collision_window,
volatile u32 *hafdup_register)
{
u32 value = 0;
if ((alt_beb_truncation > HALFDUP_ALT_BEB_TRUNCATION_MAX) ||
(max_retransmissions > HALFDUP_MAX_RETRANSMISSION_MAX) ||
(collision_window > HALFDUP_COLLISION_WINDOW_MAX))
return -EINVAL;
value = (u32) (alt_beb_truncation << HALFDUP_ALT_BEB_TRUNCATION_SHIFT);
if (alt_beb)
value |= HALFDUP_ALT_BEB;
if (back_pressure_no_backoff)
value |= HALFDUP_BACK_PRESSURE_NO_BACKOFF;
if (no_backoff)
value |= HALFDUP_NO_BACKOFF;
if (excess_defer)
value |= HALFDUP_EXCESSIVE_DEFER;
value |= (max_retransmissions << HALFDUP_MAX_RETRANSMISSION_SHIFT);
value |= collision_window;
out_be32(hafdup_register, value);
return 0;
}
static int init_inter_frame_gap_params(u8 non_btb_cs_ipg,
u8 non_btb_ipg,
u8 min_ifg,
u8 btb_ipg,
volatile u32 *ipgifg_register)
{
u32 value = 0;
/* Non-Back-to-back IPG part 1 should be <= Non-Back-to-back
IPG part 2 */
if (non_btb_cs_ipg > non_btb_ipg)
return -EINVAL;
if ((non_btb_cs_ipg > IPGIFG_NON_BACK_TO_BACK_IFG_PART1_MAX) ||
(non_btb_ipg > IPGIFG_NON_BACK_TO_BACK_IFG_PART2_MAX) ||
/*(min_ifg > IPGIFG_MINIMUM_IFG_ENFORCEMENT_MAX) || */
(btb_ipg > IPGIFG_BACK_TO_BACK_IFG_MAX))
return -EINVAL;
value |=
((non_btb_cs_ipg << IPGIFG_NON_BACK_TO_BACK_IFG_PART1_SHIFT) &
IPGIFG_NBTB_CS_IPG_MASK);
value |=
((non_btb_ipg << IPGIFG_NON_BACK_TO_BACK_IFG_PART2_SHIFT) &
IPGIFG_NBTB_IPG_MASK);
value |=
((min_ifg << IPGIFG_MINIMUM_IFG_ENFORCEMENT_SHIFT) &
IPGIFG_MIN_IFG_MASK);
value |= (btb_ipg & IPGIFG_BTB_IPG_MASK);
out_be32(ipgifg_register, value);
return 0;
}
static int init_flow_control_params(u32 automatic_flow_control_mode,
int rx_flow_control_enable,
int tx_flow_control_enable,
u16 pause_period,
u16 extension_field,
volatile u32 *upsmr_register,
volatile u32 *uempr_register,
volatile u32 *maccfg1_register)
{
u32 value = 0;
/* Set UEMPR register */
value = (u32) pause_period << UEMPR_PAUSE_TIME_VALUE_SHIFT;
value |= (u32) extension_field << UEMPR_EXTENDED_PAUSE_TIME_VALUE_SHIFT;
out_be32(uempr_register, value);
/* Set UPSMR register */
value = in_be32(upsmr_register);
value |= automatic_flow_control_mode;
out_be32(upsmr_register, value);
value = in_be32(maccfg1_register);
if (rx_flow_control_enable)
value |= MACCFG1_FLOW_RX;
if (tx_flow_control_enable)
value |= MACCFG1_FLOW_TX;
out_be32(maccfg1_register, value);
return 0;
}
static int init_hw_statistics_gathering_mode(int enable_hardware_statistics,
int auto_zero_hardware_statistics,
volatile u32 *upsmr_register,
volatile u16 *uescr_register)
{
u32 upsmr_value = 0;
u16 uescr_value = 0;
/* Enable hardware statistics gathering if requested */
if (enable_hardware_statistics) {
upsmr_value = in_be32(upsmr_register);
upsmr_value |= UPSMR_HSE;
out_be32(upsmr_register, upsmr_value);
}
/* Clear hardware statistics counters */
uescr_value = in_be16(uescr_register);
uescr_value |= UESCR_CLRCNT;
/* Automatically zero hardware statistics counters on read,
if requested */
if (auto_zero_hardware_statistics)
uescr_value |= UESCR_AUTOZ;
out_be16(uescr_register, uescr_value);
return 0;
}
static int init_firmware_statistics_gathering_mode(int
enable_tx_firmware_statistics,
int enable_rx_firmware_statistics,
volatile u32 *tx_rmon_base_ptr,
u32 tx_firmware_statistics_structure_address,
volatile u32 *rx_rmon_base_ptr,
u32 rx_firmware_statistics_structure_address,
volatile u16 *temoder_register,
volatile u32 *remoder_register)
{
/* Note: this function does not check if */
/* the parameters it receives are NULL */
u16 temoder_value;
u32 remoder_value;
if (enable_tx_firmware_statistics) {
out_be32(tx_rmon_base_ptr,
tx_firmware_statistics_structure_address);
temoder_value = in_be16(temoder_register);
temoder_value |= TEMODER_TX_RMON_STATISTICS_ENABLE;
out_be16(temoder_register, temoder_value);
}
if (enable_rx_firmware_statistics) {
out_be32(rx_rmon_base_ptr,
rx_firmware_statistics_structure_address);
remoder_value = in_be32(remoder_register);
remoder_value |= REMODER_RX_RMON_STATISTICS_ENABLE;
out_be32(remoder_register, remoder_value);
}
return 0;
}
static int init_mac_station_addr_regs(u8 address_byte_0,
u8 address_byte_1,
u8 address_byte_2,
u8 address_byte_3,
u8 address_byte_4,
u8 address_byte_5,
volatile u32 *macstnaddr1_register,
volatile u32 *macstnaddr2_register)
{
u32 value = 0;
/* Example: for a station address of 0x12345678ABCD, */
/* 0x12 is byte 0, 0x34 is byte 1 and so on and 0xCD is byte 5 */
/* MACSTNADDR1 Register: */
/* 0 7 8 15 */
/* station address byte 5 station address byte 4 */
/* 16 23 24 31 */
/* station address byte 3 station address byte 2 */
value |= (u32) ((address_byte_2 << 0) & 0x000000FF);
value |= (u32) ((address_byte_3 << 8) & 0x0000FF00);
value |= (u32) ((address_byte_4 << 16) & 0x00FF0000);
value |= (u32) ((address_byte_5 << 24) & 0xFF000000);
out_be32(macstnaddr1_register, value);
/* MACSTNADDR2 Register: */
/* 0 7 8 15 */
/* station address byte 1 station address byte 0 */
/* 16 23 24 31 */
/* reserved reserved */
value = 0;
value |= (u32) ((address_byte_0 << 16) & 0x00FF0000);
value |= (u32) ((address_byte_1 << 24) & 0xFF000000);
out_be32(macstnaddr2_register, value);
return 0;
}
static int init_mac_duplex_mode(int full_duplex,
int limited_to_full_duplex,
volatile u32 *maccfg2_register)
{
u32 value = 0;
/* some interfaces must work in full duplex mode */
if ((full_duplex == 0) && (limited_to_full_duplex == 1))
return -EINVAL;
value = in_be32(maccfg2_register);
if (full_duplex)
value |= MACCFG2_FDX;
else
value &= ~MACCFG2_FDX;
out_be32(maccfg2_register, value);
return 0;
}
static int init_check_frame_length_mode(int length_check,
volatile u32 *maccfg2_register)
{
u32 value = 0;
value = in_be32(maccfg2_register);
if (length_check)
value |= MACCFG2_LC;
else
value &= ~MACCFG2_LC;
out_be32(maccfg2_register, value);
return 0;
}
static int init_preamble_length(u8 preamble_length,
volatile u32 *maccfg2_register)
{
u32 value = 0;
if ((preamble_length < 3) || (preamble_length > 7))
return -EINVAL;
value = in_be32(maccfg2_register);
value &= ~MACCFG2_PREL_MASK;
value |= (preamble_length << MACCFG2_PREL_SHIFT);
out_be32(maccfg2_register, value);
return 0;
}
static int init_mii_management_configuration(int reset_mgmt,
int preamble_supress,
volatile u32 *miimcfg_register,
volatile u32 *miimind_register)
{
unsigned int timeout = PHY_INIT_TIMEOUT;
u32 value = 0;
value = in_be32(miimcfg_register);
if (reset_mgmt) {
value |= MIIMCFG_RESET_MANAGEMENT;
out_be32(miimcfg_register, value);
}
value = 0;
if (preamble_supress)
value |= MIIMCFG_NO_PREAMBLE;
value |= UCC_GETH_MIIMCFG_MNGMNT_CLC_DIV_INIT;
out_be32(miimcfg_register, value);
/* Wait until the bus is free */
while ((in_be32(miimind_register) & MIIMIND_BUSY) && timeout--)
cpu_relax();
if (timeout <= 0) {
ugeth_err("%s: The MII Bus is stuck!", __FUNCTION__);
return -ETIMEDOUT;
}
return 0;
}
static int init_rx_parameters(int reject_broadcast,
int receive_short_frames,
int promiscuous, volatile u32 *upsmr_register)
{
u32 value = 0;
value = in_be32(upsmr_register);
if (reject_broadcast)
value |= UPSMR_BRO;
else
value &= ~UPSMR_BRO;
if (receive_short_frames)
value |= UPSMR_RSH;
else
value &= ~UPSMR_RSH;
if (promiscuous)
value |= UPSMR_PRO;
else
value &= ~UPSMR_PRO;
out_be32(upsmr_register, value);
return 0;
}
static int init_max_rx_buff_len(u16 max_rx_buf_len,
volatile u16 *mrblr_register)
{
/* max_rx_buf_len value must be a multiple of 128 */
if ((max_rx_buf_len == 0)
|| (max_rx_buf_len % UCC_GETH_MRBLR_ALIGNMENT))
return -EINVAL;
out_be16(mrblr_register, max_rx_buf_len);
return 0;
}
static int init_min_frame_len(u16 min_frame_length,
volatile u16 *minflr_register,
volatile u16 *mrblr_register)
{
u16 mrblr_value = 0;
mrblr_value = in_be16(mrblr_register);
if (min_frame_length >= (mrblr_value - 4))
return -EINVAL;
out_be16(minflr_register, min_frame_length);
return 0;
}
static int adjust_enet_interface(struct ucc_geth_private *ugeth)
{
struct ucc_geth_info *ug_info;
struct ucc_geth *ug_regs;
struct ucc_fast *uf_regs;
enum enet_speed speed;
int ret_val, rpm = 0, tbi = 0, r10m = 0, rmm =
0, limited_to_full_duplex = 0;
u32 upsmr, maccfg2, utbipar, tbiBaseAddress;
u16 value;
ugeth_vdbg("%s: IN", __FUNCTION__);
ug_info = ugeth->ug_info;
ug_regs = ugeth->ug_regs;
uf_regs = ugeth->uccf->uf_regs;
/* Analyze enet_interface according to Interface Mode Configuration
table */
ret_val =
get_interface_details(ug_info->enet_interface, &speed, &r10m, &rmm,
&rpm, &tbi, &limited_to_full_duplex);
if (ret_val != 0) {
ugeth_err
("%s: half duplex not supported in requested configuration.",
__FUNCTION__);
return ret_val;
}
/* Set MACCFG2 */
maccfg2 = in_be32(&ug_regs->maccfg2);
maccfg2 &= ~MACCFG2_INTERFACE_MODE_MASK;
if ((speed == ENET_SPEED_10BT) || (speed == ENET_SPEED_100BT))
maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE;
else if (speed == ENET_SPEED_1000BT)
maccfg2 |= MACCFG2_INTERFACE_MODE_BYTE;
maccfg2 |= ug_info->padAndCrc;
out_be32(&ug_regs->maccfg2, maccfg2);
/* Set UPSMR */
upsmr = in_be32(&uf_regs->upsmr);
upsmr &= ~(UPSMR_RPM | UPSMR_R10M | UPSMR_TBIM | UPSMR_RMM);
if (rpm)
upsmr |= UPSMR_RPM;
if (r10m)
upsmr |= UPSMR_R10M;
if (tbi)
upsmr |= UPSMR_TBIM;
if (rmm)
upsmr |= UPSMR_RMM;
out_be32(&uf_regs->upsmr, upsmr);
/* Set UTBIPAR */
utbipar = in_be32(&ug_regs->utbipar);
utbipar &= ~UTBIPAR_PHY_ADDRESS_MASK;
if (tbi)
utbipar |=
(ug_info->phy_address +
ugeth->ug_info->uf_info.
ucc_num) << UTBIPAR_PHY_ADDRESS_SHIFT;
else
utbipar |=
(0x10 +
ugeth->ug_info->uf_info.
ucc_num) << UTBIPAR_PHY_ADDRESS_SHIFT;
out_be32(&ug_regs->utbipar, utbipar);
/* Disable autonegotiation in tbi mode, because by default it
comes up in autonegotiation mode. */
/* Note that this depends on proper setting in utbipar register. */
if (tbi) {
tbiBaseAddress = in_be32(&ug_regs->utbipar);
tbiBaseAddress &= UTBIPAR_PHY_ADDRESS_MASK;
tbiBaseAddress >>= UTBIPAR_PHY_ADDRESS_SHIFT;
value =
ugeth->mii_info->mdio_read(ugeth->dev, (u8) tbiBaseAddress,
ENET_TBI_MII_CR);
value &= ~0x1000; /* Turn off autonegotiation */
ugeth->mii_info->mdio_write(ugeth->dev, (u8) tbiBaseAddress,
ENET_TBI_MII_CR, value);
}
ret_val = init_mac_duplex_mode(1,
limited_to_full_duplex,
&ug_regs->maccfg2);
if (ret_val != 0) {
ugeth_err
("%s: half duplex not supported in requested configuration.",
__FUNCTION__);
return ret_val;
}
init_check_frame_length_mode(ug_info->lengthCheckRx, &ug_regs->maccfg2);
ret_val = init_preamble_length(ug_info->prel, &ug_regs->maccfg2);
if (ret_val != 0) {
ugeth_err
("%s: Preamble length must be between 3 and 7 inclusive.",
__FUNCTION__);
return ret_val;
}
return 0;
}
/* Called every time the controller might need to be made
* aware of new link state. The PHY code conveys this
* information through variables in the ugeth structure, and this
* function converts those variables into the appropriate
* register values, and can bring down the device if needed.
*/
static void adjust_link(struct net_device *dev)
{
struct ucc_geth_private *ugeth = netdev_priv(dev);
struct ucc_geth *ug_regs;
u32 tempval;
struct ugeth_mii_info *mii_info = ugeth->mii_info;
ug_regs = ugeth->ug_regs;
if (mii_info->link) {
/* Now we make sure that we can be in full duplex mode.
* If not, we operate in half-duplex mode. */
if (mii_info->duplex != ugeth->oldduplex) {
if (!(mii_info->duplex)) {
tempval = in_be32(&ug_regs->maccfg2);
tempval &= ~(MACCFG2_FDX);
out_be32(&ug_regs->maccfg2, tempval);
ugeth_info("%s: Half Duplex", dev->name);
} else {
tempval = in_be32(&ug_regs->maccfg2);
tempval |= MACCFG2_FDX;
out_be32(&ug_regs->maccfg2, tempval);
ugeth_info("%s: Full Duplex", dev->name);
}
ugeth->oldduplex = mii_info->duplex;
}
if (mii_info->speed != ugeth->oldspeed) {
switch (mii_info->speed) {
case 1000:
ugeth->ug_info->enet_interface = ENET_1000_RGMII;
break;
case 100:
ugeth->ug_info->enet_interface = ENET_100_RGMII;
break;
case 10:
ugeth->ug_info->enet_interface = ENET_10_RGMII;
break;
default:
ugeth_warn
("%s: Ack! Speed (%d) is not 10/100/1000!",
dev->name, mii_info->speed);
break;
}
adjust_enet_interface(ugeth);
ugeth_info("%s: Speed %dBT", dev->name,
mii_info->speed);
ugeth->oldspeed = mii_info->speed;
}
if (!ugeth->oldlink) {
ugeth_info("%s: Link is up", dev->name);
ugeth->oldlink = 1;
netif_carrier_on(dev);
netif_schedule(dev);
}
} else {
if (ugeth->oldlink) {
ugeth_info("%s: Link is down", dev->name);
ugeth->oldlink = 0;
ugeth->oldspeed = 0;
ugeth->oldduplex = -1;
netif_carrier_off(dev);
}
}
}
/* Configure the PHY for dev.
* returns 0 if success. -1 if failure
*/
static int init_phy(struct net_device *dev)
{
struct ucc_geth_private *ugeth = netdev_priv(dev);
struct phy_info *curphy;
struct ucc_mii_mng *mii_regs;
struct ugeth_mii_info *mii_info;
int err;
mii_regs = &ugeth->ug_regs->miimng;
ugeth->oldlink = 0;
ugeth->oldspeed = 0;
ugeth->oldduplex = -1;
mii_info = kmalloc(sizeof(struct ugeth_mii_info), GFP_KERNEL);
if (NULL == mii_info) {
ugeth_err("%s: Could not allocate mii_info", dev->name);
return -ENOMEM;
}
mii_info->mii_regs = mii_regs;
mii_info->speed = SPEED_1000;
mii_info->duplex = DUPLEX_FULL;
mii_info->pause = 0;
mii_info->link = 0;
mii_info->advertising = (ADVERTISED_10baseT_Half |
ADVERTISED_10baseT_Full |
ADVERTISED_100baseT_Half |
ADVERTISED_100baseT_Full |
ADVERTISED_1000baseT_Full);
mii_info->autoneg = 1;
mii_info->mii_id = ugeth->ug_info->phy_address;
mii_info->dev = dev;
mii_info->mdio_read = &read_phy_reg;
mii_info->mdio_write = &write_phy_reg;
spin_lock_init(&mii_info->mdio_lock);
ugeth->mii_info = mii_info;
spin_lock_irq(&ugeth->lock);
/* Set this UCC to be the master of the MII managment */
ucc_set_qe_mux_mii_mng(ugeth->ug_info->uf_info.ucc_num);
if (init_mii_management_configuration(1,
ugeth->ug_info->
miiPreambleSupress,
&mii_regs->miimcfg,
&mii_regs->miimind)) {
ugeth_err("%s: The MII Bus is stuck!", dev->name);
err = -1;
goto bus_fail;
}
spin_unlock_irq(&ugeth->lock);
/* get info for this PHY */
curphy = get_phy_info(ugeth->mii_info);
if (curphy == NULL) {
ugeth_err("%s: No PHY found", dev->name);
err = -1;
goto no_phy;
}
mii_info->phyinfo = curphy;
/* Run the commands which initialize the PHY */
if (curphy->init) {
err = curphy->init(ugeth->mii_info);
if (err)
goto phy_init_fail;
}
return 0;
phy_init_fail:
no_phy:
bus_fail:
kfree(mii_info);
return err;
}
#ifdef CONFIG_UGETH_TX_ON_DEMOND
static int ugeth_transmit_on_demand(struct ucc_geth_private *ugeth)
{
struct ucc_fastransmit_on_demand(ugeth->uccf);
return 0;
}
#endif
static int ugeth_graceful_stop_tx(struct ucc_geth_private *ugeth)
{
struct ucc_fast_private *uccf;
u32 cecr_subblock;
u32 temp;
uccf = ugeth->uccf;
/* Mask GRACEFUL STOP TX interrupt bit and clear it */
temp = in_be32(uccf->p_uccm);
temp &= ~UCCE_GRA;
out_be32(uccf->p_uccm, temp);
out_be32(uccf->p_ucce, UCCE_GRA); /* clear by writing 1 */
/* Issue host command */
cecr_subblock =
ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
qe_issue_cmd(QE_GRACEFUL_STOP_TX, cecr_subblock,
QE_CR_PROTOCOL_ETHERNET, 0);
/* Wait for command to complete */
do {
temp = in_be32(uccf->p_ucce);
} while (!(temp & UCCE_GRA));
uccf->stopped_tx = 1;
return 0;
}
static int ugeth_graceful_stop_rx(struct ucc_geth_private * ugeth)
{
struct ucc_fast_private *uccf;
u32 cecr_subblock;
u8 temp;
uccf = ugeth->uccf;
/* Clear acknowledge bit */
temp = ugeth->p_rx_glbl_pram->rxgstpack;
temp &= ~GRACEFUL_STOP_ACKNOWLEDGE_RX;
ugeth->p_rx_glbl_pram->rxgstpack = temp;
/* Keep issuing command and checking acknowledge bit until
it is asserted, according to spec */
do {
/* Issue host command */
cecr_subblock =
ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.
ucc_num);
qe_issue_cmd(QE_GRACEFUL_STOP_RX, cecr_subblock,
QE_CR_PROTOCOL_ETHERNET, 0);
temp = ugeth->p_rx_glbl_pram->rxgstpack;
} while (!(temp & GRACEFUL_STOP_ACKNOWLEDGE_RX));
uccf->stopped_rx = 1;
return 0;
}
static int ugeth_restart_tx(struct ucc_geth_private *ugeth)
{
struct ucc_fast_private *uccf;
u32 cecr_subblock;
uccf = ugeth->uccf;
cecr_subblock =
ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
qe_issue_cmd(QE_RESTART_TX, cecr_subblock, QE_CR_PROTOCOL_ETHERNET, 0);
uccf->stopped_tx = 0;
return 0;
}
static int ugeth_restart_rx(struct ucc_geth_private *ugeth)
{
struct ucc_fast_private *uccf;
u32 cecr_subblock;
uccf = ugeth->uccf;
cecr_subblock =
ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
qe_issue_cmd(QE_RESTART_RX, cecr_subblock, QE_CR_PROTOCOL_ETHERNET,
0);
uccf->stopped_rx = 0;
return 0;
}
static int ugeth_enable(struct ucc_geth_private *ugeth, enum comm_dir mode)
{
struct ucc_fast_private *uccf;
int enabled_tx, enabled_rx;
uccf = ugeth->uccf;
/* check if the UCC number is in range. */
if (ugeth->ug_info->uf_info.ucc_num >= UCC_MAX_NUM) {
ugeth_err("%s: ucc_num out of range.", __FUNCTION__);
return -EINVAL;
}
enabled_tx = uccf->enabled_tx;
enabled_rx = uccf->enabled_rx;
/* Get Tx and Rx going again, in case this channel was actively
disabled. */
if ((mode & COMM_DIR_TX) && (!enabled_tx) && uccf->stopped_tx)
ugeth_restart_tx(ugeth);
if ((mode & COMM_DIR_RX) && (!enabled_rx) && uccf->stopped_rx)
ugeth_restart_rx(ugeth);
ucc_fast_enable(uccf, mode); /* OK to do even if not disabled */
return 0;
}
static int ugeth_disable(struct ucc_geth_private * ugeth, enum comm_dir mode)
{
struct ucc_fast_private *uccf;
uccf = ugeth->uccf;
/* check if the UCC number is in range. */
if (ugeth->ug_info->uf_info.ucc_num >= UCC_MAX_NUM) {
ugeth_err("%s: ucc_num out of range.", __FUNCTION__);
return -EINVAL;
}
/* Stop any transmissions */
if ((mode & COMM_DIR_TX) && uccf->enabled_tx && !uccf->stopped_tx)
ugeth_graceful_stop_tx(ugeth);
/* Stop any receptions */
if ((mode & COMM_DIR_RX) && uccf->enabled_rx && !uccf->stopped_rx)
ugeth_graceful_stop_rx(ugeth);
ucc_fast_disable(ugeth->uccf, mode); /* OK to do even if not enabled */
return 0;
}
static void ugeth_dump_regs(struct ucc_geth_private *ugeth)
{
#ifdef DEBUG
ucc_fast_dump_regs(ugeth->uccf);
dump_regs(ugeth);
dump_bds(ugeth);
#endif
}
#ifdef CONFIG_UGETH_FILTERING
static int ugeth_ext_filtering_serialize_tad(struct ucc_geth_tad_params *
p_UccGethTadParams,
struct qe_fltr_tad *qe_fltr_tad)
{
u16 temp;
/* Zero serialized TAD */
memset(qe_fltr_tad, 0, QE_FLTR_TAD_SIZE);
qe_fltr_tad->serialized[0] |= UCC_GETH_TAD_V; /* Must have this */
if (p_UccGethTadParams->rx_non_dynamic_extended_features_mode ||
(p_UccGethTadParams->vtag_op != UCC_GETH_VLAN_OPERATION_TAGGED_NOP)
|| (p_UccGethTadParams->vnontag_op !=
UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP)
)
qe_fltr_tad->serialized[0] |= UCC_GETH_TAD_EF;
if (p_UccGethTadParams->reject_frame)
qe_fltr_tad->serialized[0] |= UCC_GETH_TAD_REJ;
temp =
(u16) (((u16) p_UccGethTadParams->
vtag_op) << UCC_GETH_TAD_VTAG_OP_SHIFT);
qe_fltr_tad->serialized[0] |= (u8) (temp >> 8); /* upper bits */
qe_fltr_tad->serialized[1] |= (u8) (temp & 0x00ff); /* lower bits */
if (p_UccGethTadParams->vnontag_op ==
UCC_GETH_VLAN_OPERATION_NON_TAGGED_Q_TAG_INSERT)
qe_fltr_tad->serialized[1] |= UCC_GETH_TAD_V_NON_VTAG_OP;
qe_fltr_tad->serialized[1] |=
p_UccGethTadParams->rqos << UCC_GETH_TAD_RQOS_SHIFT;
qe_fltr_tad->serialized[2] |=
p_UccGethTadParams->vpri << UCC_GETH_TAD_V_PRIORITY_SHIFT;
/* upper bits */
qe_fltr_tad->serialized[2] |= (u8) (p_UccGethTadParams->vid >> 8);
/* lower bits */
qe_fltr_tad->serialized[3] |= (u8) (p_UccGethTadParams->vid & 0x00ff);
return 0;
}
static struct enet_addr_container_t
*ugeth_82xx_filtering_get_match_addr_in_hash(struct ucc_geth_private *ugeth,
struct enet_addr *p_enet_addr)
{
struct enet_addr_container *enet_addr_cont;
struct list_head *p_lh;
u16 i, num;
int32_t j;
u8 *p_counter;
if ((*p_enet_addr)[0] & ENET_GROUP_ADDR) {
p_lh = &ugeth->group_hash_q;
p_counter = &(ugeth->numGroupAddrInHash);
} else {
p_lh = &ugeth->ind_hash_q;
p_counter = &(ugeth->numIndAddrInHash);
}
if (!p_lh)
return NULL;
num = *p_counter;
for (i = 0; i < num; i++) {
enet_addr_cont =
(struct enet_addr_container *)
ENET_ADDR_CONT_ENTRY(dequeue(p_lh));
for (j = ENET_NUM_OCTETS_PER_ADDRESS - 1; j >= 0; j--) {
if ((*p_enet_addr)[j] != (enet_addr_cont->address)[j])
break;
if (j == 0)
return enet_addr_cont; /* Found */
}
enqueue(p_lh, &enet_addr_cont->node); /* Put it back */
}
return NULL;
}
static int ugeth_82xx_filtering_add_addr_in_hash(struct ucc_geth_private *ugeth,
struct enet_addr *p_enet_addr)
{
enum ucc_geth_enet_address_recognition_location location;
struct enet_addr_container *enet_addr_cont;
struct list_head *p_lh;
u8 i;
u32 limit;
u8 *p_counter;
if ((*p_enet_addr)[0] & ENET_GROUP_ADDR) {
p_lh = &ugeth->group_hash_q;
limit = ugeth->ug_info->maxGroupAddrInHash;
location =
UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_GROUP_HASH;
p_counter = &(ugeth->numGroupAddrInHash);
} else {
p_lh = &ugeth->ind_hash_q;
limit = ugeth->ug_info->maxIndAddrInHash;
location =
UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_INDIVIDUAL_HASH;
p_counter = &(ugeth->numIndAddrInHash);
}
if ((enet_addr_cont =
ugeth_82xx_filtering_get_match_addr_in_hash(ugeth, p_enet_addr))) {
list_add(p_lh, &enet_addr_cont->node); /* Put it back */
return 0;
}
if ((!p_lh) || (!(*p_counter < limit)))
return -EBUSY;
if (!(enet_addr_cont = get_enet_addr_container()))
return -ENOMEM;
for (i = 0; i < ENET_NUM_OCTETS_PER_ADDRESS; i++)
(enet_addr_cont->address)[i] = (*p_enet_addr)[i];
enet_addr_cont->location = location;
enqueue(p_lh, &enet_addr_cont->node); /* Put it back */
++(*p_counter);
hw_add_addr_in_hash(ugeth, enet_addr_cont->address);
return 0;
}
static int ugeth_82xx_filtering_clear_addr_in_hash(struct ucc_geth_private *ugeth,
struct enet_addr *p_enet_addr)
{
struct ucc_geth_82xx_address_filtering_pram *p_82xx_addr_filt;
struct enet_addr_container *enet_addr_cont;
struct ucc_fast_private *uccf;
enum comm_dir comm_dir;
u16 i, num;
struct list_head *p_lh;
u32 *addr_h, *addr_l;
u8 *p_counter;
uccf = ugeth->uccf;
p_82xx_addr_filt =
(struct ucc_geth_82xx_address_filtering_pram *) ugeth->p_rx_glbl_pram->
addressfiltering;
if (!
(enet_addr_cont =
ugeth_82xx_filtering_get_match_addr_in_hash(ugeth, p_enet_addr)))
return -ENOENT;
/* It's been found and removed from the CQ. */
/* Now destroy its container */
put_enet_addr_container(enet_addr_cont);
if ((*p_enet_addr)[0] & ENET_GROUP_ADDR) {
addr_h = &(p_82xx_addr_filt->gaddr_h);
addr_l = &(p_82xx_addr_filt->gaddr_l);
p_lh = &ugeth->group_hash_q;
p_counter = &(ugeth->numGroupAddrInHash);
} else {
addr_h = &(p_82xx_addr_filt->iaddr_h);
addr_l = &(p_82xx_addr_filt->iaddr_l);
p_lh = &ugeth->ind_hash_q;
p_counter = &(ugeth->numIndAddrInHash);
}
comm_dir = 0;
if (uccf->enabled_tx)
comm_dir |= COMM_DIR_TX;
if (uccf->enabled_rx)
comm_dir |= COMM_DIR_RX;
if (comm_dir)
ugeth_disable(ugeth, comm_dir);
/* Clear the hash table. */
out_be32(addr_h, 0x00000000);
out_be32(addr_l, 0x00000000);
/* Add all remaining CQ elements back into hash */
num = --(*p_counter);
for (i = 0; i < num; i++) {
enet_addr_cont =
(struct enet_addr_container *)
ENET_ADDR_CONT_ENTRY(dequeue(p_lh));
hw_add_addr_in_hash(ugeth, enet_addr_cont->address);
enqueue(p_lh, &enet_addr_cont->node); /* Put it back */
}
if (comm_dir)
ugeth_enable(ugeth, comm_dir);
return 0;
}
#endif /* CONFIG_UGETH_FILTERING */
static int ugeth_82xx_filtering_clear_all_addr_in_hash(struct ucc_geth_private *
ugeth,
enum enet_addr_type
enet_addr_type)
{
struct ucc_geth_82xx_address_filtering_pram *p_82xx_addr_filt;
struct ucc_fast_private *uccf;
enum comm_dir comm_dir;
struct list_head *p_lh;
u16 i, num;
u32 *addr_h, *addr_l;
u8 *p_counter;
uccf = ugeth->uccf;
p_82xx_addr_filt =
(struct ucc_geth_82xx_address_filtering_pram *) ugeth->p_rx_glbl_pram->
addressfiltering;
if (enet_addr_type == ENET_ADDR_TYPE_GROUP) {
addr_h = &(p_82xx_addr_filt->gaddr_h);
addr_l = &(p_82xx_addr_filt->gaddr_l);
p_lh = &ugeth->group_hash_q;
p_counter = &(ugeth->numGroupAddrInHash);
} else if (enet_addr_type == ENET_ADDR_TYPE_INDIVIDUAL) {
addr_h = &(p_82xx_addr_filt->iaddr_h);
addr_l = &(p_82xx_addr_filt->iaddr_l);
p_lh = &ugeth->ind_hash_q;
p_counter = &(ugeth->numIndAddrInHash);
} else
return -EINVAL;
comm_dir = 0;
if (uccf->enabled_tx)
comm_dir |= COMM_DIR_TX;
if (uccf->enabled_rx)
comm_dir |= COMM_DIR_RX;
if (comm_dir)
ugeth_disable(ugeth, comm_dir);
/* Clear the hash table. */
out_be32(addr_h, 0x00000000);
out_be32(addr_l, 0x00000000);
if (!p_lh)
return 0;
num = *p_counter;
/* Delete all remaining CQ elements */
for (i = 0; i < num; i++)
put_enet_addr_container(ENET_ADDR_CONT_ENTRY(dequeue(p_lh)));
*p_counter = 0;
if (comm_dir)
ugeth_enable(ugeth, comm_dir);
return 0;
}
#ifdef CONFIG_UGETH_FILTERING
static int ugeth_82xx_filtering_add_addr_in_paddr(struct ucc_geth_private *ugeth,
struct enet_addr *p_enet_addr,
u8 paddr_num)
{
int i;
if ((*p_enet_addr)[0] & ENET_GROUP_ADDR)
ugeth_warn
("%s: multicast address added to paddr will have no "
"effect - is this what you wanted?",
__FUNCTION__);
ugeth->indAddrRegUsed[paddr_num] = 1; /* mark this paddr as used */
/* store address in our database */
for (i = 0; i < ENET_NUM_OCTETS_PER_ADDRESS; i++)
ugeth->paddr[paddr_num][i] = (*p_enet_addr)[i];
/* put in hardware */
return hw_add_addr_in_paddr(ugeth, p_enet_addr, paddr_num);
}
#endif /* CONFIG_UGETH_FILTERING */
static int ugeth_82xx_filtering_clear_addr_in_paddr(struct ucc_geth_private *ugeth,
u8 paddr_num)
{
ugeth->indAddrRegUsed[paddr_num] = 0; /* mark this paddr as not used */
return hw_clear_addr_in_paddr(ugeth, paddr_num);/* clear in hardware */
}
static void ucc_geth_memclean(struct ucc_geth_private *ugeth)
{
u16 i, j;
u8 *bd;
if (!ugeth)
return;
if (ugeth->uccf)
ucc_fast_free(ugeth->uccf);
if (ugeth->p_thread_data_tx) {
qe_muram_free(ugeth->thread_dat_tx_offset);
ugeth->p_thread_data_tx = NULL;
}
if (ugeth->p_thread_data_rx) {
qe_muram_free(ugeth->thread_dat_rx_offset);
ugeth->p_thread_data_rx = NULL;
}
if (ugeth->p_exf_glbl_param) {
qe_muram_free(ugeth->exf_glbl_param_offset);
ugeth->p_exf_glbl_param = NULL;
}
if (ugeth->p_rx_glbl_pram) {
qe_muram_free(ugeth->rx_glbl_pram_offset);
ugeth->p_rx_glbl_pram = NULL;
}
if (ugeth->p_tx_glbl_pram) {
qe_muram_free(ugeth->tx_glbl_pram_offset);
ugeth->p_tx_glbl_pram = NULL;
}
if (ugeth->p_send_q_mem_reg) {
qe_muram_free(ugeth->send_q_mem_reg_offset);
ugeth->p_send_q_mem_reg = NULL;
}
if (ugeth->p_scheduler) {
qe_muram_free(ugeth->scheduler_offset);
ugeth->p_scheduler = NULL;
}
if (ugeth->p_tx_fw_statistics_pram) {
qe_muram_free(ugeth->tx_fw_statistics_pram_offset);
ugeth->p_tx_fw_statistics_pram = NULL;
}
if (ugeth->p_rx_fw_statistics_pram) {
qe_muram_free(ugeth->rx_fw_statistics_pram_offset);
ugeth->p_rx_fw_statistics_pram = NULL;
}
if (ugeth->p_rx_irq_coalescing_tbl) {
qe_muram_free(ugeth->rx_irq_coalescing_tbl_offset);
ugeth->p_rx_irq_coalescing_tbl = NULL;
}
if (ugeth->p_rx_bd_qs_tbl) {
qe_muram_free(ugeth->rx_bd_qs_tbl_offset);
ugeth->p_rx_bd_qs_tbl = NULL;
}
if (ugeth->p_init_enet_param_shadow) {
return_init_enet_entries(ugeth,
&(ugeth->p_init_enet_param_shadow->
rxthread[0]),
ENET_INIT_PARAM_MAX_ENTRIES_RX,
ugeth->ug_info->riscRx, 1);
return_init_enet_entries(ugeth,
&(ugeth->p_init_enet_param_shadow->
txthread[0]),
ENET_INIT_PARAM_MAX_ENTRIES_TX,
ugeth->ug_info->riscTx, 0);
kfree(ugeth->p_init_enet_param_shadow);
ugeth->p_init_enet_param_shadow = NULL;
}
for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) {
bd = ugeth->p_tx_bd_ring[i];
for (j = 0; j < ugeth->ug_info->bdRingLenTx[i]; j++) {
if (ugeth->tx_skbuff[i][j]) {
dma_unmap_single(NULL,
((qe_bd_t *)bd)->buf,
(in_be32((u32 *)bd) &
BD_LENGTH_MASK),
DMA_TO_DEVICE);
dev_kfree_skb_any(ugeth->tx_skbuff[i][j]);
ugeth->tx_skbuff[i][j] = NULL;
}
}
kfree(ugeth->tx_skbuff[i]);
if (ugeth->p_tx_bd_ring[i]) {
if (ugeth->ug_info->uf_info.bd_mem_part ==
MEM_PART_SYSTEM)
kfree((void *)ugeth->tx_bd_ring_offset[i]);
else if (ugeth->ug_info->uf_info.bd_mem_part ==
MEM_PART_MURAM)
qe_muram_free(ugeth->tx_bd_ring_offset[i]);
ugeth->p_tx_bd_ring[i] = NULL;
}
}
for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
if (ugeth->p_rx_bd_ring[i]) {
/* Return existing data buffers in ring */
bd = ugeth->p_rx_bd_ring[i];
for (j = 0; j < ugeth->ug_info->bdRingLenRx[i]; j++) {
if (ugeth->rx_skbuff[i][j]) {
dma_unmap_single(NULL,
((struct qe_bd *)bd)->buf,
ugeth->ug_info->
uf_info.max_rx_buf_length +
UCC_GETH_RX_DATA_BUF_ALIGNMENT,
DMA_FROM_DEVICE);
dev_kfree_skb_any(
ugeth->rx_skbuff[i][j]);
ugeth->rx_skbuff[i][j] = NULL;
}
bd += sizeof(struct qe_bd);
}
kfree(ugeth->rx_skbuff[i]);
if (ugeth->ug_info->uf_info.bd_mem_part ==
MEM_PART_SYSTEM)
kfree((void *)ugeth->rx_bd_ring_offset[i]);
else if (ugeth->ug_info->uf_info.bd_mem_part ==
MEM_PART_MURAM)
qe_muram_free(ugeth->rx_bd_ring_offset[i]);
ugeth->p_rx_bd_ring[i] = NULL;
}
}
while (!list_empty(&ugeth->group_hash_q))
put_enet_addr_container(ENET_ADDR_CONT_ENTRY
(dequeue(&ugeth->group_hash_q)));
while (!list_empty(&ugeth->ind_hash_q))
put_enet_addr_container(ENET_ADDR_CONT_ENTRY
(dequeue(&ugeth->ind_hash_q)));
}
static void ucc_geth_set_multi(struct net_device *dev)
{
struct ucc_geth_private *ugeth;
struct dev_mc_list *dmi;
struct ucc_fast *uf_regs;
struct ucc_geth_82xx_address_filtering_pram *p_82xx_addr_filt;
u8 tempaddr[6];
u8 *mcptr, *tdptr;
int i, j;
ugeth = netdev_priv(dev);
uf_regs = ugeth->uccf->uf_regs;
if (dev->flags & IFF_PROMISC) {
uf_regs->upsmr |= UPSMR_PRO;
} else {
uf_regs->upsmr &= ~UPSMR_PRO;
p_82xx_addr_filt =
(struct ucc_geth_82xx_address_filtering_pram *) ugeth->
p_rx_glbl_pram->addressfiltering;
if (dev->flags & IFF_ALLMULTI) {
/* Catch all multicast addresses, so set the
* filter to all 1's.
*/
out_be32(&p_82xx_addr_filt->gaddr_h, 0xffffffff);
out_be32(&p_82xx_addr_filt->gaddr_l, 0xffffffff);
} else {
/* Clear filter and add the addresses in the list.
*/
out_be32(&p_82xx_addr_filt->gaddr_h, 0x0);
out_be32(&p_82xx_addr_filt->gaddr_l, 0x0);
dmi = dev->mc_list;
for (i = 0; i < dev->mc_count; i++, dmi = dmi->next) {
/* Only support group multicast for now.
*/
if (!(dmi->dmi_addr[0] & 1))
continue;
/* The address in dmi_addr is LSB first,
* and taddr is MSB first. We have to
* copy bytes MSB first from dmi_addr.
*/
mcptr = (u8 *) dmi->dmi_addr + 5;
tdptr = (u8 *) tempaddr;
for (j = 0; j < 6; j++)
*tdptr++ = *mcptr--;
/* Ask CPM to run CRC and set bit in
* filter mask.
*/
hw_add_addr_in_hash(ugeth, tempaddr);
}
}
}
}
static void ucc_geth_stop(struct ucc_geth_private *ugeth)
{
struct ucc_geth *ug_regs = ugeth->ug_regs;
u32 tempval;
ugeth_vdbg("%s: IN", __FUNCTION__);
/* Disable the controller */
ugeth_disable(ugeth, COMM_DIR_RX_AND_TX);
/* Tell the kernel the link is down */
ugeth->mii_info->link = 0;
adjust_link(ugeth->dev);
/* Mask all interrupts */
out_be32(ugeth->uccf->p_ucce, 0x00000000);
/* Clear all interrupts */
out_be32(ugeth->uccf->p_ucce, 0xffffffff);
/* Disable Rx and Tx */
tempval = in_be32(&ug_regs->maccfg1);
tempval &= ~(MACCFG1_ENABLE_RX | MACCFG1_ENABLE_TX);
out_be32(&ug_regs->maccfg1, tempval);
if (ugeth->ug_info->board_flags & FSL_UGETH_BRD_HAS_PHY_INTR) {
/* Clear any pending interrupts */
mii_clear_phy_interrupt(ugeth->mii_info);
/* Disable PHY Interrupts */
mii_configure_phy_interrupt(ugeth->mii_info,
MII_INTERRUPT_DISABLED);
}
free_irq(ugeth->ug_info->uf_info.irq, ugeth->dev);
if (ugeth->ug_info->board_flags & FSL_UGETH_BRD_HAS_PHY_INTR) {
free_irq(ugeth->ug_info->phy_interrupt, ugeth->dev);
} else {
del_timer_sync(&ugeth->phy_info_timer);
}
ucc_geth_memclean(ugeth);
}
static int ucc_geth_startup(struct ucc_geth_private *ugeth)
{
struct ucc_geth_82xx_address_filtering_pram *p_82xx_addr_filt;
struct ucc_geth_init_pram *p_init_enet_pram;
struct ucc_fast_private *uccf;
struct ucc_geth_info *ug_info;
struct ucc_fast_info *uf_info;
struct ucc_fast *uf_regs;
struct ucc_geth *ug_regs;
int ret_val = -EINVAL;
u32 remoder = UCC_GETH_REMODER_INIT;
u32 init_enet_pram_offset, cecr_subblock, command, maccfg1;
u32 ifstat, i, j, size, l2qt, l3qt, length;
u16 temoder = UCC_GETH_TEMODER_INIT;
u16 test;
u8 function_code = 0;
u8 *bd, *endOfRing;
u8 numThreadsRxNumerical, numThreadsTxNumerical;
ugeth_vdbg("%s: IN", __FUNCTION__);
ug_info = ugeth->ug_info;
uf_info = &ug_info->uf_info;
if (!((uf_info->bd_mem_part == MEM_PART_SYSTEM) ||
(uf_info->bd_mem_part == MEM_PART_MURAM))) {
ugeth_err("%s: Bad memory partition value.", __FUNCTION__);
return -EINVAL;
}
/* Rx BD lengths */
for (i = 0; i < ug_info->numQueuesRx; i++) {
if ((ug_info->bdRingLenRx[i] < UCC_GETH_RX_BD_RING_SIZE_MIN) ||
(ug_info->bdRingLenRx[i] %
UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT)) {
ugeth_err
("%s: Rx BD ring length must be multiple of 4,"
" no smaller than 8.", __FUNCTION__);
return -EINVAL;
}
}
/* Tx BD lengths */
for (i = 0; i < ug_info->numQueuesTx; i++) {
if (ug_info->bdRingLenTx[i] < UCC_GETH_TX_BD_RING_SIZE_MIN) {
ugeth_err
("%s: Tx BD ring length must be no smaller than 2.",
__FUNCTION__);
return -EINVAL;
}
}
/* mrblr */
if ((uf_info->max_rx_buf_length == 0) ||
(uf_info->max_rx_buf_length % UCC_GETH_MRBLR_ALIGNMENT)) {
ugeth_err
("%s: max_rx_buf_length must be non-zero multiple of 128.",
__FUNCTION__);
return -EINVAL;
}
/* num Tx queues */
if (ug_info->numQueuesTx > NUM_TX_QUEUES) {
ugeth_err("%s: number of tx queues too large.", __FUNCTION__);
return -EINVAL;
}
/* num Rx queues */
if (ug_info->numQueuesRx > NUM_RX_QUEUES) {
ugeth_err("%s: number of rx queues too large.", __FUNCTION__);
return -EINVAL;
}
/* l2qt */
for (i = 0; i < UCC_GETH_VLAN_PRIORITY_MAX; i++) {
if (ug_info->l2qt[i] >= ug_info->numQueuesRx) {
ugeth_err
("%s: VLAN priority table entry must not be"
" larger than number of Rx queues.",
__FUNCTION__);
return -EINVAL;
}
}
/* l3qt */
for (i = 0; i < UCC_GETH_IP_PRIORITY_MAX; i++) {
if (ug_info->l3qt[i] >= ug_info->numQueuesRx) {
ugeth_err
("%s: IP priority table entry must not be"
" larger than number of Rx queues.",
__FUNCTION__);
return -EINVAL;
}
}
if (ug_info->cam && !ug_info->ecamptr) {
ugeth_err("%s: If cam mode is chosen, must supply cam ptr.",
__FUNCTION__);
return -EINVAL;
}
if ((ug_info->numStationAddresses !=
UCC_GETH_NUM_OF_STATION_ADDRESSES_1)
&& ug_info->rxExtendedFiltering) {
ugeth_err("%s: Number of station addresses greater than 1 "
"not allowed in extended parsing mode.",
__FUNCTION__);
return -EINVAL;
}
/* Generate uccm_mask for receive */
uf_info->uccm_mask = ug_info->eventRegMask & UCCE_OTHER;/* Errors */
for (i = 0; i < ug_info->numQueuesRx; i++)
uf_info->uccm_mask |= (UCCE_RXBF_SINGLE_MASK << i);
for (i = 0; i < ug_info->numQueuesTx; i++)
uf_info->uccm_mask |= (UCCE_TXBF_SINGLE_MASK << i);
/* Initialize the general fast UCC block. */
if (ucc_fast_init(uf_info, &uccf)) {
ugeth_err("%s: Failed to init uccf.", __FUNCTION__);
ucc_geth_memclean(ugeth);
return -ENOMEM;
}
ugeth->uccf = uccf;
switch (ug_info->numThreadsRx) {
case UCC_GETH_NUM_OF_THREADS_1:
numThreadsRxNumerical = 1;
break;
case UCC_GETH_NUM_OF_THREADS_2:
numThreadsRxNumerical = 2;
break;
case UCC_GETH_NUM_OF_THREADS_4:
numThreadsRxNumerical = 4;
break;
case UCC_GETH_NUM_OF_THREADS_6:
numThreadsRxNumerical = 6;
break;
case UCC_GETH_NUM_OF_THREADS_8:
numThreadsRxNumerical = 8;
break;
default:
ugeth_err("%s: Bad number of Rx threads value.", __FUNCTION__);
ucc_geth_memclean(ugeth);
return -EINVAL;
break;
}
switch (ug_info->numThreadsTx) {
case UCC_GETH_NUM_OF_THREADS_1:
numThreadsTxNumerical = 1;
break;
case UCC_GETH_NUM_OF_THREADS_2:
numThreadsTxNumerical = 2;
break;
case UCC_GETH_NUM_OF_THREADS_4:
numThreadsTxNumerical = 4;
break;
case UCC_GETH_NUM_OF_THREADS_6:
numThreadsTxNumerical = 6;
break;
case UCC_GETH_NUM_OF_THREADS_8:
numThreadsTxNumerical = 8;
break;
default:
ugeth_err("%s: Bad number of Tx threads value.", __FUNCTION__);
ucc_geth_memclean(ugeth);
return -EINVAL;
break;
}
/* Calculate rx_extended_features */
ugeth->rx_non_dynamic_extended_features = ug_info->ipCheckSumCheck ||
ug_info->ipAddressAlignment ||
(ug_info->numStationAddresses !=
UCC_GETH_NUM_OF_STATION_ADDRESSES_1);
ugeth->rx_extended_features = ugeth->rx_non_dynamic_extended_features ||
(ug_info->vlanOperationTagged != UCC_GETH_VLAN_OPERATION_TAGGED_NOP)
|| (ug_info->vlanOperationNonTagged !=
UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP);
uf_regs = uccf->uf_regs;
ug_regs = (struct ucc_geth *) (uccf->uf_regs);
ugeth->ug_regs = ug_regs;
init_default_reg_vals(&uf_regs->upsmr,
&ug_regs->maccfg1, &ug_regs->maccfg2);
/* Set UPSMR */
/* For more details see the hardware spec. */
init_rx_parameters(ug_info->bro,
ug_info->rsh, ug_info->pro, &uf_regs->upsmr);
/* We're going to ignore other registers for now, */
/* except as needed to get up and running */
/* Set MACCFG1 */
/* For more details see the hardware spec. */
init_flow_control_params(ug_info->aufc,
ug_info->receiveFlowControl,
1,
ug_info->pausePeriod,
ug_info->extensionField,
&uf_regs->upsmr,
&ug_regs->uempr, &ug_regs->maccfg1);
maccfg1 = in_be32(&ug_regs->maccfg1);
maccfg1 |= MACCFG1_ENABLE_RX;
maccfg1 |= MACCFG1_ENABLE_TX;
out_be32(&ug_regs->maccfg1, maccfg1);
/* Set IPGIFG */
/* For more details see the hardware spec. */
ret_val = init_inter_frame_gap_params(ug_info->nonBackToBackIfgPart1,
ug_info->nonBackToBackIfgPart2,
ug_info->
miminumInterFrameGapEnforcement,
ug_info->backToBackInterFrameGap,
&ug_regs->ipgifg);
if (ret_val != 0) {
ugeth_err("%s: IPGIFG initialization parameter too large.",
__FUNCTION__);
ucc_geth_memclean(ugeth);
return ret_val;
}
/* Set HAFDUP */
/* For more details see the hardware spec. */
ret_val = init_half_duplex_params(ug_info->altBeb,
ug_info->backPressureNoBackoff,
ug_info->noBackoff,
ug_info->excessDefer,
ug_info->altBebTruncation,
ug_info->maxRetransmission,
ug_info->collisionWindow,
&ug_regs->hafdup);
if (ret_val != 0) {
ugeth_err("%s: Half Duplex initialization parameter too large.",
__FUNCTION__);
ucc_geth_memclean(ugeth);
return ret_val;
}
/* Set IFSTAT */
/* For more details see the hardware spec. */
/* Read only - resets upon read */
ifstat = in_be32(&ug_regs->ifstat);
/* Clear UEMPR */
/* For more details see the hardware spec. */
out_be32(&ug_regs->uempr, 0);
/* Set UESCR */
/* For more details see the hardware spec. */
init_hw_statistics_gathering_mode((ug_info->statisticsMode &
UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE),
0, &uf_regs->upsmr, &ug_regs->uescr);
/* Allocate Tx bds */
for (j = 0; j < ug_info->numQueuesTx; j++) {
/* Allocate in multiple of
UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT,
according to spec */
length = ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd))
/ UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT)
* UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT;
if ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)) %
UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT)
length += UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT;
if (uf_info->bd_mem_part == MEM_PART_SYSTEM) {
u32 align = 4;
if (UCC_GETH_TX_BD_RING_ALIGNMENT > 4)
align = UCC_GETH_TX_BD_RING_ALIGNMENT;
ugeth->tx_bd_ring_offset[j] =
kmalloc((u32) (length + align), GFP_KERNEL);
if (ugeth->tx_bd_ring_offset[j] != 0)
ugeth->p_tx_bd_ring[j] =
(void*)((ugeth->tx_bd_ring_offset[j] +
align) & ~(align - 1));
} else if (uf_info->bd_mem_part == MEM_PART_MURAM) {
ugeth->tx_bd_ring_offset[j] =
qe_muram_alloc(length,
UCC_GETH_TX_BD_RING_ALIGNMENT);
if (!IS_MURAM_ERR(ugeth->tx_bd_ring_offset[j]))
ugeth->p_tx_bd_ring[j] =
(u8 *) qe_muram_addr(ugeth->
tx_bd_ring_offset[j]);
}
if (!ugeth->p_tx_bd_ring[j]) {
ugeth_err
("%s: Can not allocate memory for Tx bd rings.",
__FUNCTION__);
ucc_geth_memclean(ugeth);
return -ENOMEM;
}
/* Zero unused end of bd ring, according to spec */
memset(ugeth->p_tx_bd_ring[j] +
ug_info->bdRingLenTx[j] * sizeof(struct qe_bd), 0,
length - ug_info->bdRingLenTx[j] * sizeof(struct qe_bd));
}
/* Allocate Rx bds */
for (j = 0; j < ug_info->numQueuesRx; j++) {
length = ug_info->bdRingLenRx[j] * sizeof(struct qe_bd);
if (uf_info->bd_mem_part == MEM_PART_SYSTEM) {
u32 align = 4;
if (UCC_GETH_RX_BD_RING_ALIGNMENT > 4)
align = UCC_GETH_RX_BD_RING_ALIGNMENT;
ugeth->rx_bd_ring_offset[j] =
kmalloc((u32) (length + align), GFP_KERNEL);
if (ugeth->rx_bd_ring_offset[j] != 0)
ugeth->p_rx_bd_ring[j] =
(void*)((ugeth->rx_bd_ring_offset[j] +
align) & ~(align - 1));
} else if (uf_info->bd_mem_part == MEM_PART_MURAM) {
ugeth->rx_bd_ring_offset[j] =
qe_muram_alloc(length,
UCC_GETH_RX_BD_RING_ALIGNMENT);
if (!IS_MURAM_ERR(ugeth->rx_bd_ring_offset[j]))
ugeth->p_rx_bd_ring[j] =
(u8 *) qe_muram_addr(ugeth->
rx_bd_ring_offset[j]);
}
if (!ugeth->p_rx_bd_ring[j]) {
ugeth_err
("%s: Can not allocate memory for Rx bd rings.",
__FUNCTION__);
ucc_geth_memclean(ugeth);
return -ENOMEM;
}
}
/* Init Tx bds */
for (j = 0; j < ug_info->numQueuesTx; j++) {
/* Setup the skbuff rings */
ugeth->tx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) *
ugeth->ug_info->bdRingLenTx[j],
GFP_KERNEL);
if (ugeth->tx_skbuff[j] == NULL) {
ugeth_err("%s: Could not allocate tx_skbuff",
__FUNCTION__);
ucc_geth_memclean(ugeth);
return -ENOMEM;
}
for (i = 0; i < ugeth->ug_info->bdRingLenTx[j]; i++)
ugeth->tx_skbuff[j][i] = NULL;
ugeth->skb_curtx[j] = ugeth->skb_dirtytx[j] = 0;
bd = ugeth->confBd[j] = ugeth->txBd[j] = ugeth->p_tx_bd_ring[j];
for (i = 0; i < ug_info->bdRingLenTx[j]; i++) {
/* clear bd buffer */
out_be32(&((struct qe_bd *)bd)->buf, 0);
/* set bd status and length */
out_be32((u32 *)bd, 0);
bd += sizeof(struct qe_bd);
}
bd -= sizeof(struct qe_bd);
/* set bd status and length */
out_be32((u32 *)bd, T_W); /* for last BD set Wrap bit */
}
/* Init Rx bds */
for (j = 0; j < ug_info->numQueuesRx; j++) {
/* Setup the skbuff rings */
ugeth->rx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) *
ugeth->ug_info->bdRingLenRx[j],
GFP_KERNEL);
if (ugeth->rx_skbuff[j] == NULL) {
ugeth_err("%s: Could not allocate rx_skbuff",
__FUNCTION__);
ucc_geth_memclean(ugeth);
return -ENOMEM;
}
for (i = 0; i < ugeth->ug_info->bdRingLenRx[j]; i++)
ugeth->rx_skbuff[j][i] = NULL;
ugeth->skb_currx[j] = 0;
bd = ugeth->rxBd[j] = ugeth->p_rx_bd_ring[j];
for (i = 0; i < ug_info->bdRingLenRx[j]; i++) {
/* set bd status and length */
out_be32((u32 *)bd, R_I);
/* clear bd buffer */
out_be32(&((struct qe_bd *)bd)->buf, 0);
bd += sizeof(struct qe_bd);
}
bd -= sizeof(struct qe_bd);
/* set bd status and length */
out_be32((u32 *)bd, R_W); /* for last BD set Wrap bit */
}
/*
* Global PRAM
*/
/* Tx global PRAM */
/* Allocate global tx parameter RAM page */
ugeth->tx_glbl_pram_offset =
qe_muram_alloc(sizeof(struct ucc_geth_tx_global_pram),
UCC_GETH_TX_GLOBAL_PRAM_ALIGNMENT);
if (IS_MURAM_ERR(ugeth->tx_glbl_pram_offset)) {
ugeth_err
("%s: Can not allocate DPRAM memory for p_tx_glbl_pram.",
__FUNCTION__);
ucc_geth_memclean(ugeth);
return -ENOMEM;
}
ugeth->p_tx_glbl_pram =
(struct ucc_geth_tx_global_pram *) qe_muram_addr(ugeth->
tx_glbl_pram_offset);
/* Zero out p_tx_glbl_pram */
memset(ugeth->p_tx_glbl_pram, 0, sizeof(struct ucc_geth_tx_global_pram));
/* Fill global PRAM */
/* TQPTR */
/* Size varies with number of Tx threads */
ugeth->thread_dat_tx_offset =
qe_muram_alloc(numThreadsTxNumerical *
sizeof(struct ucc_geth_thread_data_tx) +
32 * (numThreadsTxNumerical == 1),
UCC_GETH_THREAD_DATA_ALIGNMENT);
if (IS_MURAM_ERR(ugeth->thread_dat_tx_offset)) {
ugeth_err
("%s: Can not allocate DPRAM memory for p_thread_data_tx.",
__FUNCTION__);
ucc_geth_memclean(ugeth);
return -ENOMEM;
}
ugeth->p_thread_data_tx =
(struct ucc_geth_thread_data_tx *) qe_muram_addr(ugeth->
thread_dat_tx_offset);
out_be32(&ugeth->p_tx_glbl_pram->tqptr, ugeth->thread_dat_tx_offset);
/* vtagtable */
for (i = 0; i < UCC_GETH_TX_VTAG_TABLE_ENTRY_MAX; i++)
out_be32(&ugeth->p_tx_glbl_pram->vtagtable[i],
ug_info->vtagtable[i]);
/* iphoffset */
for (i = 0; i < TX_IP_OFFSET_ENTRY_MAX; i++)
ugeth->p_tx_glbl_pram->iphoffset[i] = ug_info->iphoffset[i];
/* SQPTR */
/* Size varies with number of Tx queues */
ugeth->send_q_mem_reg_offset =
qe_muram_alloc(ug_info->numQueuesTx *
sizeof(struct ucc_geth_send_queue_qd),
UCC_GETH_SEND_QUEUE_QUEUE_DESCRIPTOR_ALIGNMENT);
if (IS_MURAM_ERR(ugeth->send_q_mem_reg_offset)) {
ugeth_err
("%s: Can not allocate DPRAM memory for p_send_q_mem_reg.",
__FUNCTION__);
ucc_geth_memclean(ugeth);
return -ENOMEM;
}
ugeth->p_send_q_mem_reg =
(struct ucc_geth_send_queue_mem_region *) qe_muram_addr(ugeth->
send_q_mem_reg_offset);
out_be32(&ugeth->p_tx_glbl_pram->sqptr, ugeth->send_q_mem_reg_offset);
/* Setup the table */
/* Assume BD rings are already established */
for (i = 0; i < ug_info->numQueuesTx; i++) {
endOfRing =
ugeth->p_tx_bd_ring[i] + (ug_info->bdRingLenTx[i] -
1) * sizeof(struct qe_bd);
if (ugeth->ug_info->uf_info.bd_mem_part == MEM_PART_SYSTEM) {
out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].bd_ring_base,
(u32) virt_to_phys(ugeth->p_tx_bd_ring[i]));
out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].
last_bd_completed_address,
(u32) virt_to_phys(endOfRing));
} else if (ugeth->ug_info->uf_info.bd_mem_part ==
MEM_PART_MURAM) {
out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].bd_ring_base,
(u32) immrbar_virt_to_phys(ugeth->
p_tx_bd_ring[i]));
out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].
last_bd_completed_address,
(u32) immrbar_virt_to_phys(endOfRing));
}
}
/* schedulerbasepointer */
if (ug_info->numQueuesTx > 1) {
/* scheduler exists only if more than 1 tx queue */
ugeth->scheduler_offset =
qe_muram_alloc(sizeof(struct ucc_geth_scheduler),
UCC_GETH_SCHEDULER_ALIGNMENT);
if (IS_MURAM_ERR(ugeth->scheduler_offset)) {
ugeth_err
("%s: Can not allocate DPRAM memory for p_scheduler.",
__FUNCTION__);
ucc_geth_memclean(ugeth);
return -ENOMEM;
}
ugeth->p_scheduler =
(struct ucc_geth_scheduler *) qe_muram_addr(ugeth->
scheduler_offset);
out_be32(&ugeth->p_tx_glbl_pram->schedulerbasepointer,
ugeth->scheduler_offset);
/* Zero out p_scheduler */
memset(ugeth->p_scheduler, 0, sizeof(struct ucc_geth_scheduler));
/* Set values in scheduler */
out_be32(&ugeth->p_scheduler->mblinterval,
ug_info->mblinterval);
out_be16(&ugeth->p_scheduler->nortsrbytetime,
ug_info->nortsrbytetime);
ugeth->p_scheduler->fracsiz = ug_info->fracsiz;
ugeth->p_scheduler->strictpriorityq = ug_info->strictpriorityq;
ugeth->p_scheduler->txasap = ug_info->txasap;
ugeth->p_scheduler->extrabw = ug_info->extrabw;
for (i = 0; i < NUM_TX_QUEUES; i++)
ugeth->p_scheduler->weightfactor[i] =
ug_info->weightfactor[i];
/* Set pointers to cpucount registers in scheduler */
ugeth->p_cpucount[0] = &(ugeth->p_scheduler->cpucount0);
ugeth->p_cpucount[1] = &(ugeth->p_scheduler->cpucount1);
ugeth->p_cpucount[2] = &(ugeth->p_scheduler->cpucount2);
ugeth->p_cpucount[3] = &(ugeth->p_scheduler->cpucount3);
ugeth->p_cpucount[4] = &(ugeth->p_scheduler->cpucount4);
ugeth->p_cpucount[5] = &(ugeth->p_scheduler->cpucount5);
ugeth->p_cpucount[6] = &(ugeth->p_scheduler->cpucount6);
ugeth->p_cpucount[7] = &(ugeth->p_scheduler->cpucount7);
}
/* schedulerbasepointer */
/* TxRMON_PTR (statistics) */
if (ug_info->
statisticsMode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX) {
ugeth->tx_fw_statistics_pram_offset =
qe_muram_alloc(sizeof
(struct ucc_geth_tx_firmware_statistics_pram),
UCC_GETH_TX_STATISTICS_ALIGNMENT);
if (IS_MURAM_ERR(ugeth->tx_fw_statistics_pram_offset)) {
ugeth_err
("%s: Can not allocate DPRAM memory for"
" p_tx_fw_statistics_pram.", __FUNCTION__);
ucc_geth_memclean(ugeth);
return -ENOMEM;
}
ugeth->p_tx_fw_statistics_pram =
(struct ucc_geth_tx_firmware_statistics_pram *)
qe_muram_addr(ugeth->tx_fw_statistics_pram_offset);
/* Zero out p_tx_fw_statistics_pram */
memset(ugeth->p_tx_fw_statistics_pram,
0, sizeof(struct ucc_geth_tx_firmware_statistics_pram));
}
/* temoder */
/* Already has speed set */
if (ug_info->numQueuesTx > 1)
temoder |= TEMODER_SCHEDULER_ENABLE;
if (ug_info->ipCheckSumGenerate)
temoder |= TEMODER_IP_CHECKSUM_GENERATE;
temoder |= ((ug_info->numQueuesTx - 1) << TEMODER_NUM_OF_QUEUES_SHIFT);
out_be16(&ugeth->p_tx_glbl_pram->temoder, temoder);
test = in_be16(&ugeth->p_tx_glbl_pram->temoder);
/* Function code register value to be used later */
function_code = QE_BMR_BYTE_ORDER_BO_MOT | UCC_FAST_FUNCTION_CODE_GBL;
/* Required for QE */
/* function code register */
out_be32(&ugeth->p_tx_glbl_pram->tstate, ((u32) function_code) << 24);
/* Rx global PRAM */
/* Allocate global rx parameter RAM page */
ugeth->rx_glbl_pram_offset =
qe_muram_alloc(sizeof(struct ucc_geth_rx_global_pram),
UCC_GETH_RX_GLOBAL_PRAM_ALIGNMENT);
if (IS_MURAM_ERR(ugeth->rx_glbl_pram_offset)) {
ugeth_err
("%s: Can not allocate DPRAM memory for p_rx_glbl_pram.",
__FUNCTION__);
ucc_geth_memclean(ugeth);
return -ENOMEM;
}
ugeth->p_rx_glbl_pram =
(struct ucc_geth_rx_global_pram *) qe_muram_addr(ugeth->
rx_glbl_pram_offset);
/* Zero out p_rx_glbl_pram */
memset(ugeth->p_rx_glbl_pram, 0, sizeof(struct ucc_geth_rx_global_pram));
/* Fill global PRAM */
/* RQPTR */
/* Size varies with number of Rx threads */
ugeth->thread_dat_rx_offset =
qe_muram_alloc(numThreadsRxNumerical *
sizeof(struct ucc_geth_thread_data_rx),
UCC_GETH_THREAD_DATA_ALIGNMENT);
if (IS_MURAM_ERR(ugeth->thread_dat_rx_offset)) {
ugeth_err
("%s: Can not allocate DPRAM memory for p_thread_data_rx.",
__FUNCTION__);
ucc_geth_memclean(ugeth);
return -ENOMEM;
}
ugeth->p_thread_data_rx =
(struct ucc_geth_thread_data_rx *) qe_muram_addr(ugeth->
thread_dat_rx_offset);
out_be32(&ugeth->p_rx_glbl_pram->rqptr, ugeth->thread_dat_rx_offset);
/* typeorlen */
out_be16(&ugeth->p_rx_glbl_pram->typeorlen, ug_info->typeorlen);
/* rxrmonbaseptr (statistics) */
if (ug_info->
statisticsMode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX) {
ugeth->rx_fw_statistics_pram_offset =
qe_muram_alloc(sizeof
(struct ucc_geth_rx_firmware_statistics_pram),
UCC_GETH_RX_STATISTICS_ALIGNMENT);
if (IS_MURAM_ERR(ugeth->rx_fw_statistics_pram_offset)) {
ugeth_err
("%s: Can not allocate DPRAM memory for"
" p_rx_fw_statistics_pram.", __FUNCTION__);
ucc_geth_memclean(ugeth);
return -ENOMEM;
}
ugeth->p_rx_fw_statistics_pram =
(struct ucc_geth_rx_firmware_statistics_pram *)
qe_muram_addr(ugeth->rx_fw_statistics_pram_offset);
/* Zero out p_rx_fw_statistics_pram */
memset(ugeth->p_rx_fw_statistics_pram, 0,
sizeof(struct ucc_geth_rx_firmware_statistics_pram));
}
/* intCoalescingPtr */
/* Size varies with number of Rx queues */
ugeth->rx_irq_coalescing_tbl_offset =
qe_muram_alloc(ug_info->numQueuesRx *
sizeof(struct ucc_geth_rx_interrupt_coalescing_entry),
UCC_GETH_RX_INTERRUPT_COALESCING_ALIGNMENT);
if (IS_MURAM_ERR(ugeth->rx_irq_coalescing_tbl_offset)) {
ugeth_err
("%s: Can not allocate DPRAM memory for"
" p_rx_irq_coalescing_tbl.", __FUNCTION__);
ucc_geth_memclean(ugeth);
return -ENOMEM;
}
ugeth->p_rx_irq_coalescing_tbl =
(struct ucc_geth_rx_interrupt_coalescing_table *)
qe_muram_addr(ugeth->rx_irq_coalescing_tbl_offset);
out_be32(&ugeth->p_rx_glbl_pram->intcoalescingptr,
ugeth->rx_irq_coalescing_tbl_offset);
/* Fill interrupt coalescing table */
for (i = 0; i < ug_info->numQueuesRx; i++) {
out_be32(&ugeth->p_rx_irq_coalescing_tbl->coalescingentry[i].
interruptcoalescingmaxvalue,
ug_info->interruptcoalescingmaxvalue[i]);
out_be32(&ugeth->p_rx_irq_coalescing_tbl->coalescingentry[i].
interruptcoalescingcounter,
ug_info->interruptcoalescingmaxvalue[i]);
}
/* MRBLR */
init_max_rx_buff_len(uf_info->max_rx_buf_length,
&ugeth->p_rx_glbl_pram->mrblr);
/* MFLR */
out_be16(&ugeth->p_rx_glbl_pram->mflr, ug_info->maxFrameLength);
/* MINFLR */
init_min_frame_len(ug_info->minFrameLength,
&ugeth->p_rx_glbl_pram->minflr,
&ugeth->p_rx_glbl_pram->mrblr);
/* MAXD1 */
out_be16(&ugeth->p_rx_glbl_pram->maxd1, ug_info->maxD1Length);
/* MAXD2 */
out_be16(&ugeth->p_rx_glbl_pram->maxd2, ug_info->maxD2Length);
/* l2qt */
l2qt = 0;
for (i = 0; i < UCC_GETH_VLAN_PRIORITY_MAX; i++)
l2qt |= (ug_info->l2qt[i] << (28 - 4 * i));
out_be32(&ugeth->p_rx_glbl_pram->l2qt, l2qt);
/* l3qt */
for (j = 0; j < UCC_GETH_IP_PRIORITY_MAX; j += 8) {
l3qt = 0;
for (i = 0; i < 8; i++)
l3qt |= (ug_info->l3qt[j + i] << (28 - 4 * i));
out_be32(&ugeth->p_rx_glbl_pram->l3qt[j/8], l3qt);
}
/* vlantype */
out_be16(&ugeth->p_rx_glbl_pram->vlantype, ug_info->vlantype);
/* vlantci */
out_be16(&ugeth->p_rx_glbl_pram->vlantci, ug_info->vlantci);
/* ecamptr */
out_be32(&ugeth->p_rx_glbl_pram->ecamptr, ug_info->ecamptr);
/* RBDQPTR */
/* Size varies with number of Rx queues */
ugeth->rx_bd_qs_tbl_offset =
qe_muram_alloc(ug_info->numQueuesRx *
(sizeof(struct ucc_geth_rx_bd_queues_entry) +
sizeof(struct ucc_geth_rx_prefetched_bds)),
UCC_GETH_RX_BD_QUEUES_ALIGNMENT);
if (IS_MURAM_ERR(ugeth->rx_bd_qs_tbl_offset)) {
ugeth_err
("%s: Can not allocate DPRAM memory for p_rx_bd_qs_tbl.",
__FUNCTION__);
ucc_geth_memclean(ugeth);
return -ENOMEM;
}
ugeth->p_rx_bd_qs_tbl =
(struct ucc_geth_rx_bd_queues_entry *) qe_muram_addr(ugeth->
rx_bd_qs_tbl_offset);
out_be32(&ugeth->p_rx_glbl_pram->rbdqptr, ugeth->rx_bd_qs_tbl_offset);
/* Zero out p_rx_bd_qs_tbl */
memset(ugeth->p_rx_bd_qs_tbl,
0,
ug_info->numQueuesRx * (sizeof(struct ucc_geth_rx_bd_queues_entry) +
sizeof(struct ucc_geth_rx_prefetched_bds)));
/* Setup the table */
/* Assume BD rings are already established */
for (i = 0; i < ug_info->numQueuesRx; i++) {
if (ugeth->ug_info->uf_info.bd_mem_part == MEM_PART_SYSTEM) {
out_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
(u32) virt_to_phys(ugeth->p_rx_bd_ring[i]));
} else if (ugeth->ug_info->uf_info.bd_mem_part ==
MEM_PART_MURAM) {
out_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
(u32) immrbar_virt_to_phys(ugeth->
p_rx_bd_ring[i]));
}
/* rest of fields handled by QE */
}
/* remoder */
/* Already has speed set */
if (ugeth->rx_extended_features)
remoder |= REMODER_RX_EXTENDED_FEATURES;
if (ug_info->rxExtendedFiltering)
remoder |= REMODER_RX_EXTENDED_FILTERING;
if (ug_info->dynamicMaxFrameLength)
remoder |= REMODER_DYNAMIC_MAX_FRAME_LENGTH;
if (ug_info->dynamicMinFrameLength)
remoder |= REMODER_DYNAMIC_MIN_FRAME_LENGTH;
remoder |=
ug_info->vlanOperationTagged << REMODER_VLAN_OPERATION_TAGGED_SHIFT;
remoder |=
ug_info->
vlanOperationNonTagged << REMODER_VLAN_OPERATION_NON_TAGGED_SHIFT;
remoder |= ug_info->rxQoSMode << REMODER_RX_QOS_MODE_SHIFT;
remoder |= ((ug_info->numQueuesRx - 1) << REMODER_NUM_OF_QUEUES_SHIFT);
if (ug_info->ipCheckSumCheck)
remoder |= REMODER_IP_CHECKSUM_CHECK;
if (ug_info->ipAddressAlignment)
remoder |= REMODER_IP_ADDRESS_ALIGNMENT;
out_be32(&ugeth->p_rx_glbl_pram->remoder, remoder);
/* Note that this function must be called */
/* ONLY AFTER p_tx_fw_statistics_pram */
/* andp_UccGethRxFirmwareStatisticsPram are allocated ! */
init_firmware_statistics_gathering_mode((ug_info->
statisticsMode &
UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX),
(ug_info->statisticsMode &
UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX),
&ugeth->p_tx_glbl_pram->txrmonbaseptr,
ugeth->tx_fw_statistics_pram_offset,
&ugeth->p_rx_glbl_pram->rxrmonbaseptr,
ugeth->rx_fw_statistics_pram_offset,
&ugeth->p_tx_glbl_pram->temoder,
&ugeth->p_rx_glbl_pram->remoder);
/* function code register */
ugeth->p_rx_glbl_pram->rstate = function_code;
/* initialize extended filtering */
if (ug_info->rxExtendedFiltering) {
if (!ug_info->extendedFilteringChainPointer) {
ugeth_err("%s: Null Extended Filtering Chain Pointer.",
__FUNCTION__);
ucc_geth_memclean(ugeth);
return -EINVAL;
}
/* Allocate memory for extended filtering Mode Global
Parameters */
ugeth->exf_glbl_param_offset =
qe_muram_alloc(sizeof(struct ucc_geth_exf_global_pram),
UCC_GETH_RX_EXTENDED_FILTERING_GLOBAL_PARAMETERS_ALIGNMENT);
if (IS_MURAM_ERR(ugeth->exf_glbl_param_offset)) {
ugeth_err
("%s: Can not allocate DPRAM memory for"
" p_exf_glbl_param.", __FUNCTION__);
ucc_geth_memclean(ugeth);
return -ENOMEM;
}
ugeth->p_exf_glbl_param =
(struct ucc_geth_exf_global_pram *) qe_muram_addr(ugeth->
exf_glbl_param_offset);
out_be32(&ugeth->p_rx_glbl_pram->exfGlobalParam,
ugeth->exf_glbl_param_offset);
out_be32(&ugeth->p_exf_glbl_param->l2pcdptr,
(u32) ug_info->extendedFilteringChainPointer);
} else { /* initialize 82xx style address filtering */
/* Init individual address recognition registers to disabled */
for (j = 0; j < NUM_OF_PADDRS; j++)
ugeth_82xx_filtering_clear_addr_in_paddr(ugeth, (u8) j);
/* Create CQs for hash tables */
if (ug_info->maxGroupAddrInHash > 0) {
INIT_LIST_HEAD(&ugeth->group_hash_q);
}
if (ug_info->maxIndAddrInHash > 0) {
INIT_LIST_HEAD(&ugeth->ind_hash_q);
}
p_82xx_addr_filt =
(struct ucc_geth_82xx_address_filtering_pram *) ugeth->
p_rx_glbl_pram->addressfiltering;
ugeth_82xx_filtering_clear_all_addr_in_hash(ugeth,
ENET_ADDR_TYPE_GROUP);
ugeth_82xx_filtering_clear_all_addr_in_hash(ugeth,
ENET_ADDR_TYPE_INDIVIDUAL);
}
/*
* Initialize UCC at QE level
*/
command = QE_INIT_TX_RX;
/* Allocate shadow InitEnet command parameter structure.
* This is needed because after the InitEnet command is executed,
* the structure in DPRAM is released, because DPRAM is a premium
* resource.
* This shadow structure keeps a copy of what was done so that the
* allocated resources can be released when the channel is freed.
*/
if (!(ugeth->p_init_enet_param_shadow =
kmalloc(sizeof(struct ucc_geth_init_pram), GFP_KERNEL))) {
ugeth_err
("%s: Can not allocate memory for"
" p_UccInitEnetParamShadows.", __FUNCTION__);
ucc_geth_memclean(ugeth);
return -ENOMEM;
}
/* Zero out *p_init_enet_param_shadow */
memset((char *)ugeth->p_init_enet_param_shadow,
0, sizeof(struct ucc_geth_init_pram));
/* Fill shadow InitEnet command parameter structure */
ugeth->p_init_enet_param_shadow->resinit1 =
ENET_INIT_PARAM_MAGIC_RES_INIT1;
ugeth->p_init_enet_param_shadow->resinit2 =
ENET_INIT_PARAM_MAGIC_RES_INIT2;
ugeth->p_init_enet_param_shadow->resinit3 =
ENET_INIT_PARAM_MAGIC_RES_INIT3;
ugeth->p_init_enet_param_shadow->resinit4 =
ENET_INIT_PARAM_MAGIC_RES_INIT4;
ugeth->p_init_enet_param_shadow->resinit5 =
ENET_INIT_PARAM_MAGIC_RES_INIT5;
ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
((u32) ug_info->numThreadsRx) << ENET_INIT_PARAM_RGF_SHIFT;
ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
((u32) ug_info->numThreadsTx) << ENET_INIT_PARAM_TGF_SHIFT;
ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
ugeth->rx_glbl_pram_offset | ug_info->riscRx;
if ((ug_info->largestexternallookupkeysize !=
QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_NONE)
&& (ug_info->largestexternallookupkeysize !=
QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_8_BYTES)
&& (ug_info->largestexternallookupkeysize !=
QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_16_BYTES)) {
ugeth_err("%s: Invalid largest External Lookup Key Size.",
__FUNCTION__);
ucc_geth_memclean(ugeth);
return -EINVAL;
}
ugeth->p_init_enet_param_shadow->largestexternallookupkeysize =
ug_info->largestexternallookupkeysize;
size = sizeof(struct ucc_geth_thread_rx_pram);
if (ug_info->rxExtendedFiltering) {
size += THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING;
if (ug_info->largestexternallookupkeysize ==
QE_FLTR_TABLE_LOOKUP_KEY_SIZE_8_BYTES)
size +=
THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8;
if (ug_info->largestexternallookupkeysize ==
QE_FLTR_TABLE_LOOKUP_KEY_SIZE_16_BYTES)
size +=
THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16;
}
if ((ret_val = fill_init_enet_entries(ugeth, &(ugeth->
p_init_enet_param_shadow->rxthread[0]),
(u8) (numThreadsRxNumerical + 1)
/* Rx needs one extra for terminator */
, size, UCC_GETH_THREAD_RX_PRAM_ALIGNMENT,
ug_info->riscRx, 1)) != 0) {
ugeth_err("%s: Can not fill p_init_enet_param_shadow.",
__FUNCTION__);
ucc_geth_memclean(ugeth);
return ret_val;
}
ugeth->p_init_enet_param_shadow->txglobal =
ugeth->tx_glbl_pram_offset | ug_info->riscTx;
if ((ret_val =
fill_init_enet_entries(ugeth,
&(ugeth->p_init_enet_param_shadow->
txthread[0]), numThreadsTxNumerical,
sizeof(struct ucc_geth_thread_tx_pram),
UCC_GETH_THREAD_TX_PRAM_ALIGNMENT,
ug_info->riscTx, 0)) != 0) {
ugeth_err("%s: Can not fill p_init_enet_param_shadow.",
__FUNCTION__);
ucc_geth_memclean(ugeth);
return ret_val;
}
/* Load Rx bds with buffers */
for (i = 0; i < ug_info->numQueuesRx; i++) {
if ((ret_val = rx_bd_buffer_set(ugeth, (u8) i)) != 0) {
ugeth_err("%s: Can not fill Rx bds with buffers.",
__FUNCTION__);
ucc_geth_memclean(ugeth);
return ret_val;
}
}
/* Allocate InitEnet command parameter structure */
init_enet_pram_offset = qe_muram_alloc(sizeof(struct ucc_geth_init_pram), 4);
if (IS_MURAM_ERR(init_enet_pram_offset)) {
ugeth_err
("%s: Can not allocate DPRAM memory for p_init_enet_pram.",
__FUNCTION__);
ucc_geth_memclean(ugeth);
return -ENOMEM;
}
p_init_enet_pram =
(struct ucc_geth_init_pram *) qe_muram_addr(init_enet_pram_offset);
/* Copy shadow InitEnet command parameter structure into PRAM */
p_init_enet_pram->resinit1 = ugeth->p_init_enet_param_shadow->resinit1;
p_init_enet_pram->resinit2 = ugeth->p_init_enet_param_shadow->resinit2;
p_init_enet_pram->resinit3 = ugeth->p_init_enet_param_shadow->resinit3;
p_init_enet_pram->resinit4 = ugeth->p_init_enet_param_shadow->resinit4;
out_be16(&p_init_enet_pram->resinit5,
ugeth->p_init_enet_param_shadow->resinit5);
p_init_enet_pram->largestexternallookupkeysize =
ugeth->p_init_enet_param_shadow->largestexternallookupkeysize;
out_be32(&p_init_enet_pram->rgftgfrxglobal,
ugeth->p_init_enet_param_shadow->rgftgfrxglobal);
for (i = 0; i < ENET_INIT_PARAM_MAX_ENTRIES_RX; i++)
out_be32(&p_init_enet_pram->rxthread[i],
ugeth->p_init_enet_param_shadow->rxthread[i]);
out_be32(&p_init_enet_pram->txglobal,
ugeth->p_init_enet_param_shadow->txglobal);
for (i = 0; i < ENET_INIT_PARAM_MAX_ENTRIES_TX; i++)
out_be32(&p_init_enet_pram->txthread[i],
ugeth->p_init_enet_param_shadow->txthread[i]);
/* Issue QE command */
cecr_subblock =
ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
qe_issue_cmd(command, cecr_subblock, QE_CR_PROTOCOL_ETHERNET,
init_enet_pram_offset);
/* Free InitEnet command parameter */
qe_muram_free(init_enet_pram_offset);
return 0;
}
/* returns a net_device_stats structure pointer */
static struct net_device_stats *ucc_geth_get_stats(struct net_device *dev)
{
struct ucc_geth_private *ugeth = netdev_priv(dev);
return &(ugeth->stats);
}
/* ucc_geth_timeout gets called when a packet has not been
* transmitted after a set amount of time.
* For now, assume that clearing out all the structures, and
* starting over will fix the problem. */
static void ucc_geth_timeout(struct net_device *dev)
{
struct ucc_geth_private *ugeth = netdev_priv(dev);
ugeth_vdbg("%s: IN", __FUNCTION__);
ugeth->stats.tx_errors++;
ugeth_dump_regs(ugeth);
if (dev->flags & IFF_UP) {
ucc_geth_stop(ugeth);
ucc_geth_startup(ugeth);
}
netif_schedule(dev);
}
/* This is called by the kernel when a frame is ready for transmission. */
/* It is pointed to by the dev->hard_start_xmit function pointer */
static int ucc_geth_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct ucc_geth_private *ugeth = netdev_priv(dev);
u8 *bd; /* BD pointer */
u32 bd_status;
u8 txQ = 0;
ugeth_vdbg("%s: IN", __FUNCTION__);
spin_lock_irq(&ugeth->lock);
ugeth->stats.tx_bytes += skb->len;
/* Start from the next BD that should be filled */
bd = ugeth->txBd[txQ];
bd_status = in_be32((u32 *)bd);
/* Save the skb pointer so we can free it later */
ugeth->tx_skbuff[txQ][ugeth->skb_curtx[txQ]] = skb;
/* Update the current skb pointer (wrapping if this was the last) */
ugeth->skb_curtx[txQ] =
(ugeth->skb_curtx[txQ] +
1) & TX_RING_MOD_MASK(ugeth->ug_info->bdRingLenTx[txQ]);
/* set up the buffer descriptor */
out_be32(&((struct qe_bd *)bd)->buf,
dma_map_single(NULL, skb->data, skb->len, DMA_TO_DEVICE));
/* printk(KERN_DEBUG"skb->data is 0x%x\n",skb->data); */
bd_status = (bd_status & T_W) | T_R | T_I | T_L | skb->len;
/* set bd status and length */
out_be32((u32 *)bd, bd_status);
dev->trans_start = jiffies;
/* Move to next BD in the ring */
if (!(bd_status & T_W))
bd += sizeof(struct qe_bd);
else
bd = ugeth->p_tx_bd_ring[txQ];
/* If the next BD still needs to be cleaned up, then the bds
are full. We need to tell the kernel to stop sending us stuff. */
if (bd == ugeth->confBd[txQ]) {
if (!netif_queue_stopped(dev))
netif_stop_queue(dev);
}
ugeth->txBd[txQ] = bd;
if (ugeth->p_scheduler) {
ugeth->cpucount[txQ]++;
/* Indicate to QE that there are more Tx bds ready for
transmission */
/* This is done by writing a running counter of the bd
count to the scheduler PRAM. */
out_be16(ugeth->p_cpucount[txQ], ugeth->cpucount[txQ]);
}
spin_unlock_irq(&ugeth->lock);
return 0;
}
static int ucc_geth_rx(struct ucc_geth_private *ugeth, u8 rxQ, int rx_work_limit)
{
struct sk_buff *skb;
u8 *bd;
u16 length, howmany = 0;
u32 bd_status;
u8 *bdBuffer;
ugeth_vdbg("%s: IN", __FUNCTION__);
spin_lock(&ugeth->lock);
/* collect received buffers */
bd = ugeth->rxBd[rxQ];
bd_status = in_be32((u32 *)bd);
/* while there are received buffers and BD is full (~R_E) */
while (!((bd_status & (R_E)) || (--rx_work_limit < 0))) {
bdBuffer = (u8 *) in_be32(&((struct qe_bd *)bd)->buf);
length = (u16) ((bd_status & BD_LENGTH_MASK) - 4);
skb = ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]];
/* determine whether buffer is first, last, first and last
(single buffer frame) or middle (not first and not last) */
if (!skb ||
(!(bd_status & (R_F | R_L))) ||
(bd_status & R_ERRORS_FATAL)) {
ugeth_vdbg("%s, %d: ERROR!!! skb - 0x%08x",
__FUNCTION__, __LINE__, (u32) skb);
if (skb)
dev_kfree_skb_any(skb);
ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]] = NULL;
ugeth->stats.rx_dropped++;
} else {
ugeth->stats.rx_packets++;
howmany++;
/* Prep the skb for the packet */
skb_put(skb, length);
/* Tell the skb what kind of packet this is */
skb->protocol = eth_type_trans(skb, ugeth->dev);
ugeth->stats.rx_bytes += length;
/* Send the packet up the stack */
#ifdef CONFIG_UGETH_NAPI
netif_receive_skb(skb);
#else
netif_rx(skb);
#endif /* CONFIG_UGETH_NAPI */
}
ugeth->dev->last_rx = jiffies;
skb = get_new_skb(ugeth, bd);
if (!skb) {
ugeth_warn("%s: No Rx Data Buffer", __FUNCTION__);
spin_unlock(&ugeth->lock);
ugeth->stats.rx_dropped++;
break;
}
ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]] = skb;
/* update to point at the next skb */
ugeth->skb_currx[rxQ] =
(ugeth->skb_currx[rxQ] +
1) & RX_RING_MOD_MASK(ugeth->ug_info->bdRingLenRx[rxQ]);
if (bd_status & R_W)
bd = ugeth->p_rx_bd_ring[rxQ];
else
bd += sizeof(struct qe_bd);
bd_status = in_be32((u32 *)bd);
}
ugeth->rxBd[rxQ] = bd;
spin_unlock(&ugeth->lock);
return howmany;
}
static int ucc_geth_tx(struct net_device *dev, u8 txQ)
{
/* Start from the next BD that should be filled */
struct ucc_geth_private *ugeth = netdev_priv(dev);
u8 *bd; /* BD pointer */
u32 bd_status;
bd = ugeth->confBd[txQ];
bd_status = in_be32((u32 *)bd);
/* Normal processing. */
while ((bd_status & T_R) == 0) {
/* BD contains already transmitted buffer. */
/* Handle the transmitted buffer and release */
/* the BD to be used with the current frame */
if ((bd == ugeth->txBd[txQ]) && (netif_queue_stopped(dev) == 0))
break;
ugeth->stats.tx_packets++;
/* Free the sk buffer associated with this TxBD */
dev_kfree_skb_irq(ugeth->
tx_skbuff[txQ][ugeth->skb_dirtytx[txQ]]);
ugeth->tx_skbuff[txQ][ugeth->skb_dirtytx[txQ]] = NULL;
ugeth->skb_dirtytx[txQ] =
(ugeth->skb_dirtytx[txQ] +
1) & TX_RING_MOD_MASK(ugeth->ug_info->bdRingLenTx[txQ]);
/* We freed a buffer, so now we can restart transmission */
if (netif_queue_stopped(dev))
netif_wake_queue(dev);
/* Advance the confirmation BD pointer */
if (!(bd_status & T_W))
bd += sizeof(struct qe_bd);
else
bd = ugeth->p_tx_bd_ring[txQ];
bd_status = in_be32((u32 *)bd);
}
ugeth->confBd[txQ] = bd;
return 0;
}
#ifdef CONFIG_UGETH_NAPI
static int ucc_geth_poll(struct net_device *dev, int *budget)
{
struct ucc_geth_private *ugeth = netdev_priv(dev);
int howmany;
int rx_work_limit = *budget;
u8 rxQ = 0;
if (rx_work_limit > dev->quota)
rx_work_limit = dev->quota;
howmany = ucc_geth_rx(ugeth, rxQ, rx_work_limit);
dev->quota -= howmany;
rx_work_limit -= howmany;
*budget -= howmany;
if (rx_work_limit >= 0)
netif_rx_complete(dev);
return (rx_work_limit < 0) ? 1 : 0;
}
#endif /* CONFIG_UGETH_NAPI */
static irqreturn_t ucc_geth_irq_handler(int irq, void *info)
{
struct net_device *dev = (struct net_device *)info;
struct ucc_geth_private *ugeth = netdev_priv(dev);
struct ucc_fast_private *uccf;
struct ucc_geth_info *ug_info;
register u32 ucce = 0;
register u32 bit_mask = UCCE_RXBF_SINGLE_MASK;
register u32 tx_mask = UCCE_TXBF_SINGLE_MASK;
register u8 i;
ugeth_vdbg("%s: IN", __FUNCTION__);
if (!ugeth)
return IRQ_NONE;
uccf = ugeth->uccf;
ug_info = ugeth->ug_info;
do {
ucce |= (u32) (in_be32(uccf->p_ucce) & in_be32(uccf->p_uccm));
/* clear event bits for next time */
/* Side effect here is to mask ucce variable
for future processing below. */
out_be32(uccf->p_ucce, ucce); /* Clear with ones,
but only bits in UCCM */
/* We ignore Tx interrupts because Tx confirmation is
done inside Tx routine */
for (i = 0; i < ug_info->numQueuesRx; i++) {
if (ucce & bit_mask)
ucc_geth_rx(ugeth, i,
(int)ugeth->ug_info->
bdRingLenRx[i]);
ucce &= ~bit_mask;
bit_mask <<= 1;
}
for (i = 0; i < ug_info->numQueuesTx; i++) {
if (ucce & tx_mask)
ucc_geth_tx(dev, i);
ucce &= ~tx_mask;
tx_mask <<= 1;
}
/* Exceptions */
if (ucce & UCCE_BSY) {
ugeth_vdbg("Got BUSY irq!!!!");
ugeth->stats.rx_errors++;
ucce &= ~UCCE_BSY;
}
if (ucce & UCCE_OTHER) {
ugeth_vdbg("Got frame with error (ucce - 0x%08x)!!!!",
ucce);
ugeth->stats.rx_errors++;
ucce &= ~ucce;
}
}
while (ucce);
return IRQ_HANDLED;
}
static irqreturn_t phy_interrupt(int irq, void *dev_id)
{
struct net_device *dev = (struct net_device *)dev_id;
struct ucc_geth_private *ugeth = netdev_priv(dev);
ugeth_vdbg("%s: IN", __FUNCTION__);
/* Clear the interrupt */
mii_clear_phy_interrupt(ugeth->mii_info);
/* Disable PHY interrupts */
mii_configure_phy_interrupt(ugeth->mii_info, MII_INTERRUPT_DISABLED);
/* Schedule the phy change */
schedule_work(&ugeth->tq);
return IRQ_HANDLED;
}
/* Scheduled by the phy_interrupt/timer to handle PHY changes */
static void ugeth_phy_change(struct work_struct *work)
{
struct ucc_geth_private *ugeth =
container_of(work, struct ucc_geth_private, tq);
struct net_device *dev = ugeth->dev;
struct ucc_geth *ug_regs;
int result = 0;
ugeth_vdbg("%s: IN", __FUNCTION__);
ug_regs = ugeth->ug_regs;
/* Delay to give the PHY a chance to change the
* register state */
msleep(1);
/* Update the link, speed, duplex */
result = ugeth->mii_info->phyinfo->read_status(ugeth->mii_info);
/* Adjust the known status as long as the link
* isn't still coming up */
if ((0 == result) || (ugeth->mii_info->link == 0))
adjust_link(dev);
/* Reenable interrupts, if needed */
if (ugeth->ug_info->board_flags & FSL_UGETH_BRD_HAS_PHY_INTR)
mii_configure_phy_interrupt(ugeth->mii_info,
MII_INTERRUPT_ENABLED);
}
/* Called every so often on systems that don't interrupt
* the core for PHY changes */
static void ugeth_phy_timer(unsigned long data)
{
struct net_device *dev = (struct net_device *)data;
struct ucc_geth_private *ugeth = netdev_priv(dev);
schedule_work(&ugeth->tq);
mod_timer(&ugeth->phy_info_timer, jiffies + PHY_CHANGE_TIME * HZ);
}
/* Keep trying aneg for some time
* If, after GFAR_AN_TIMEOUT seconds, it has not
* finished, we switch to forced.
* Either way, once the process has completed, we either
* request the interrupt, or switch the timer over to
* using ugeth_phy_timer to check status */
static void ugeth_phy_startup_timer(unsigned long data)
{
struct ugeth_mii_info *mii_info = (struct ugeth_mii_info *)data;
struct ucc_geth_private *ugeth = netdev_priv(mii_info->dev);
static int secondary = UGETH_AN_TIMEOUT;
int result;
/* Configure the Auto-negotiation */
result = mii_info->phyinfo->config_aneg(mii_info);
/* If autonegotiation failed to start, and
* we haven't timed out, reset the timer, and return */
if (result && secondary--) {
mod_timer(&ugeth->phy_info_timer, jiffies + HZ);
return;
} else if (result) {
/* Couldn't start autonegotiation.
* Try switching to forced */
mii_info->autoneg = 0;
result = mii_info->phyinfo->config_aneg(mii_info);
/* Forcing failed! Give up */
if (result) {
ugeth_err("%s: Forcing failed!", mii_info->dev->name);
return;
}
}
/* Kill the timer so it can be restarted */
del_timer_sync(&ugeth->phy_info_timer);
/* Grab the PHY interrupt, if necessary/possible */
if (ugeth->ug_info->board_flags & FSL_UGETH_BRD_HAS_PHY_INTR) {
if (request_irq(ugeth->ug_info->phy_interrupt,
phy_interrupt, IRQF_SHARED,
"phy_interrupt", mii_info->dev) < 0) {
ugeth_err("%s: Can't get IRQ %d (PHY)",
mii_info->dev->name,
ugeth->ug_info->phy_interrupt);
} else {
mii_configure_phy_interrupt(ugeth->mii_info,
MII_INTERRUPT_ENABLED);
return;
}
}
/* Start the timer again, this time in order to
* handle a change in status */
init_timer(&ugeth->phy_info_timer);
ugeth->phy_info_timer.function = &ugeth_phy_timer;
ugeth->phy_info_timer.data = (unsigned long)mii_info->dev;
mod_timer(&ugeth->phy_info_timer, jiffies + PHY_CHANGE_TIME * HZ);
}
/* Called when something needs to use the ethernet device */
/* Returns 0 for success. */
static int ucc_geth_open(struct net_device *dev)
{
struct ucc_geth_private *ugeth = netdev_priv(dev);
int err;
ugeth_vdbg("%s: IN", __FUNCTION__);
/* Test station address */
if (dev->dev_addr[0] & ENET_GROUP_ADDR) {
ugeth_err("%s: Multicast address used for station address"
" - is this what you wanted?", __FUNCTION__);
return -EINVAL;
}
err = ucc_geth_startup(ugeth);
if (err) {
ugeth_err("%s: Cannot configure net device, aborting.",
dev->name);
return err;
}
err = adjust_enet_interface(ugeth);
if (err) {
ugeth_err("%s: Cannot configure net device, aborting.",
dev->name);
return err;
}
/* Set MACSTNADDR1, MACSTNADDR2 */
/* For more details see the hardware spec. */
init_mac_station_addr_regs(dev->dev_addr[0],
dev->dev_addr[1],
dev->dev_addr[2],
dev->dev_addr[3],
dev->dev_addr[4],
dev->dev_addr[5],
&ugeth->ug_regs->macstnaddr1,
&ugeth->ug_regs->macstnaddr2);
err = init_phy(dev);
if (err) {
ugeth_err("%s: Cannot initialzie PHY, aborting.", dev->name);
return err;
}
#ifndef CONFIG_UGETH_NAPI
err =
request_irq(ugeth->ug_info->uf_info.irq, ucc_geth_irq_handler, 0,
"UCC Geth", dev);
if (err) {
ugeth_err("%s: Cannot get IRQ for net device, aborting.",
dev->name);
ucc_geth_stop(ugeth);
return err;
}
#endif /* CONFIG_UGETH_NAPI */
/* Set up the PHY change work queue */
INIT_WORK(&ugeth->tq, ugeth_phy_change);
init_timer(&ugeth->phy_info_timer);
ugeth->phy_info_timer.function = &ugeth_phy_startup_timer;
ugeth->phy_info_timer.data = (unsigned long)ugeth->mii_info;
mod_timer(&ugeth->phy_info_timer, jiffies + HZ);
err = ugeth_enable(ugeth, COMM_DIR_RX_AND_TX);
if (err) {
ugeth_err("%s: Cannot enable net device, aborting.", dev->name);
ucc_geth_stop(ugeth);
return err;
}
netif_start_queue(dev);
return err;
}
/* Stops the kernel queue, and halts the controller */
static int ucc_geth_close(struct net_device *dev)
{
struct ucc_geth_private *ugeth = netdev_priv(dev);
ugeth_vdbg("%s: IN", __FUNCTION__);
ucc_geth_stop(ugeth);
/* Shutdown the PHY */
if (ugeth->mii_info->phyinfo->close)
ugeth->mii_info->phyinfo->close(ugeth->mii_info);
kfree(ugeth->mii_info);
netif_stop_queue(dev);
return 0;
}
const struct ethtool_ops ucc_geth_ethtool_ops = { };
static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *match)
{
struct device *device = &ofdev->dev;
struct device_node *np = ofdev->node;
struct net_device *dev = NULL;
struct ucc_geth_private *ugeth = NULL;
struct ucc_geth_info *ug_info;
struct resource res;
struct device_node *phy;
int err, ucc_num, phy_interface;
static int mii_mng_configured = 0;
const phandle *ph;
const unsigned int *prop;
const void *mac_addr;
ugeth_vdbg("%s: IN", __FUNCTION__);
prop = get_property(np, "device-id", NULL);
ucc_num = *prop - 1;
if ((ucc_num < 0) || (ucc_num > 7))
return -ENODEV;
ug_info = &ugeth_info[ucc_num];
ug_info->uf_info.ucc_num = ucc_num;
prop = get_property(np, "rx-clock", NULL);
ug_info->uf_info.rx_clock = *prop;
prop = get_property(np, "tx-clock", NULL);
ug_info->uf_info.tx_clock = *prop;
err = of_address_to_resource(np, 0, &res);
if (err)
return -EINVAL;
ug_info->uf_info.regs = res.start;
ug_info->uf_info.irq = irq_of_parse_and_map(np, 0);
ph = get_property(np, "phy-handle", NULL);
phy = of_find_node_by_phandle(*ph);
if (phy == NULL)
return -ENODEV;
prop = get_property(phy, "reg", NULL);
ug_info->phy_address = *prop;
prop = get_property(phy, "interface", NULL);
ug_info->enet_interface = *prop;
ug_info->phy_interrupt = irq_of_parse_and_map(phy, 0);
ug_info->board_flags = (ug_info->phy_interrupt == NO_IRQ)?
0:FSL_UGETH_BRD_HAS_PHY_INTR;
printk(KERN_INFO "ucc_geth: UCC%1d at 0x%8x (irq = %d) \n",
ug_info->uf_info.ucc_num + 1, ug_info->uf_info.regs,
ug_info->uf_info.irq);
if (ug_info == NULL) {
ugeth_err("%s: [%d] Missing additional data!", __FUNCTION__,
ucc_num);
return -ENODEV;
}
/* FIXME: Work around for early chip rev. */
/* There's a bug in initial chip rev(s) in the RGMII ac */
/* timing. */
/* The following compensates by writing to the reserved */
/* QE Port Output Hold Registers (CPOH1?). */
prop = get_property(phy, "interface", NULL);
phy_interface = *prop;
if ((phy_interface == ENET_1000_RGMII) ||
(phy_interface == ENET_100_RGMII) ||
(phy_interface == ENET_10_RGMII)) {
struct device_node *soc;
phys_addr_t immrbase = -1;
u32 *tmp_reg;
u32 tmp_val;
soc = of_find_node_by_type(NULL, "soc");
if (soc) {
unsigned int size;
const void *prop = get_property(soc, "reg", &size);
immrbase = of_translate_address(soc, prop);
of_node_put(soc);
};
tmp_reg = (u32 *) ioremap(immrbase + 0x14A8, 0x4);
tmp_val = in_be32(tmp_reg);
if (ucc_num == 1)
out_be32(tmp_reg, tmp_val | 0x00003000);
else if (ucc_num == 2)
out_be32(tmp_reg, tmp_val | 0x0c000000);
iounmap(tmp_reg);
}
if (!mii_mng_configured) {
ucc_set_qe_mux_mii_mng(ucc_num);
mii_mng_configured = 1;
}
/* Create an ethernet device instance */
dev = alloc_etherdev(sizeof(*ugeth));
if (dev == NULL)
return -ENOMEM;
ugeth = netdev_priv(dev);
spin_lock_init(&ugeth->lock);
dev_set_drvdata(device, dev);
/* Set the dev->base_addr to the gfar reg region */
dev->base_addr = (unsigned long)(ug_info->uf_info.regs);
SET_MODULE_OWNER(dev);
SET_NETDEV_DEV(dev, device);
/* Fill in the dev structure */
dev->open = ucc_geth_open;
dev->hard_start_xmit = ucc_geth_start_xmit;
dev->tx_timeout = ucc_geth_timeout;
dev->watchdog_timeo = TX_TIMEOUT;
#ifdef CONFIG_UGETH_NAPI
dev->poll = ucc_geth_poll;
dev->weight = UCC_GETH_DEV_WEIGHT;
#endif /* CONFIG_UGETH_NAPI */
dev->stop = ucc_geth_close;
dev->get_stats = ucc_geth_get_stats;
// dev->change_mtu = ucc_geth_change_mtu;
dev->mtu = 1500;
dev->set_multicast_list = ucc_geth_set_multi;
dev->ethtool_ops = &ucc_geth_ethtool_ops;
err = register_netdev(dev);
if (err) {
ugeth_err("%s: Cannot register net device, aborting.",
dev->name);
free_netdev(dev);
return err;
}
ugeth->ug_info = ug_info;
ugeth->dev = dev;
mac_addr = of_get_mac_address(np);
if (mac_addr)
memcpy(dev->dev_addr, mac_addr, 6);
return 0;
}
static int ucc_geth_remove(struct of_device* ofdev)
{
struct device *device = &ofdev->dev;
struct net_device *dev = dev_get_drvdata(device);
struct ucc_geth_private *ugeth = netdev_priv(dev);
dev_set_drvdata(device, NULL);
ucc_geth_memclean(ugeth);
free_netdev(dev);
return 0;
}
static struct of_device_id ucc_geth_match[] = {
{
.type = "network",
.compatible = "ucc_geth",
},
{},
};
MODULE_DEVICE_TABLE(of, ucc_geth_match);
static struct of_platform_driver ucc_geth_driver = {
.name = DRV_NAME,
.match_table = ucc_geth_match,
.probe = ucc_geth_probe,
.remove = ucc_geth_remove,
};
static int __init ucc_geth_init(void)
{
int i;
printk(KERN_INFO "ucc_geth: " DRV_DESC "\n");
for (i = 0; i < 8; i++)
memcpy(&(ugeth_info[i]), &ugeth_primary_info,
sizeof(ugeth_primary_info));
return of_register_platform_driver(&ucc_geth_driver);
}
static void __exit ucc_geth_exit(void)
{
of_unregister_platform_driver(&ucc_geth_driver);
}
module_init(ucc_geth_init);
module_exit(ucc_geth_exit);
MODULE_AUTHOR("Freescale Semiconductor, Inc");
MODULE_DESCRIPTION(DRV_DESC);
MODULE_LICENSE("GPL");
