*
* adopted from sunlance.c by Richard van den Berg
*
- * Copyright (C) 2002, 2003, 2005 Maciej W. Rozycki
+ * Copyright (C) 2002, 2003, 2005, 2006 Maciej W. Rozycki
*
* additional sources:
* - PMAD-AA TURBOchannel Ethernet Module Functional Specification,
*
* v0.009: Module support fixes, multiple interfaces support, various
* bits. macro
+ *
+ * v0.010: Fixes for the PMAD mapping of the LANCE buffer and for the
+ * PMAX requirement to only use halfword accesses to the
+ * buffer. macro
+ *
+ * v0.011: Converted the PMAD to the driver model. macro
*/
#include <linux/crc32.h>
#include <linux/spinlock.h>
#include <linux/stddef.h>
#include <linux/string.h>
+#include <linux/tc.h>
+#include <linux/types.h>
#include <asm/addrspace.h>
#include <asm/system.h>
#include <asm/dec/kn01.h>
#include <asm/dec/machtype.h>
#include <asm/dec/system.h>
-#include <asm/dec/tc.h>
static char version[] __devinitdata =
-"declance.c: v0.009 by Linux MIPS DECstation task force\n";
+"declance.c: v0.011 by Linux MIPS DECstation task force\n";
MODULE_AUTHOR("Linux MIPS DECstation task force");
MODULE_DESCRIPTION("DEC LANCE (DECstation onboard, PMAD-xx) driver");
MODULE_LICENSE("GPL");
+#define __unused __attribute__ ((unused))
+
/*
* card types
*/
#define LE_C3_BCON 0x1 /* Byte control */
/* Receive message descriptor 1 */
-#define LE_R1_OWN 0x80 /* Who owns the entry */
-#define LE_R1_ERR 0x40 /* Error: if FRA, OFL, CRC or BUF is set */
-#define LE_R1_FRA 0x20 /* FRA: Frame error */
-#define LE_R1_OFL 0x10 /* OFL: Frame overflow */
-#define LE_R1_CRC 0x08 /* CRC error */
-#define LE_R1_BUF 0x04 /* BUF: Buffer error */
-#define LE_R1_SOP 0x02 /* Start of packet */
-#define LE_R1_EOP 0x01 /* End of packet */
-#define LE_R1_POK 0x03 /* Packet is complete: SOP + EOP */
-
-#define LE_T1_OWN 0x80 /* Lance owns the packet */
-#define LE_T1_ERR 0x40 /* Error summary */
-#define LE_T1_EMORE 0x10 /* Error: more than one retry needed */
-#define LE_T1_EONE 0x08 /* Error: one retry needed */
-#define LE_T1_EDEF 0x04 /* Error: deferred */
-#define LE_T1_SOP 0x02 /* Start of packet */
-#define LE_T1_EOP 0x01 /* End of packet */
-#define LE_T1_POK 0x03 /* Packet is complete: SOP + EOP */
+#define LE_R1_OWN 0x8000 /* Who owns the entry */
+#define LE_R1_ERR 0x4000 /* Error: if FRA, OFL, CRC or BUF is set */
+#define LE_R1_FRA 0x2000 /* FRA: Frame error */
+#define LE_R1_OFL 0x1000 /* OFL: Frame overflow */
+#define LE_R1_CRC 0x0800 /* CRC error */
+#define LE_R1_BUF 0x0400 /* BUF: Buffer error */
+#define LE_R1_SOP 0x0200 /* Start of packet */
+#define LE_R1_EOP 0x0100 /* End of packet */
+#define LE_R1_POK 0x0300 /* Packet is complete: SOP + EOP */
+
+/* Transmit message descriptor 1 */
+#define LE_T1_OWN 0x8000 /* Lance owns the packet */
+#define LE_T1_ERR 0x4000 /* Error summary */
+#define LE_T1_EMORE 0x1000 /* Error: more than one retry needed */
+#define LE_T1_EONE 0x0800 /* Error: one retry needed */
+#define LE_T1_EDEF 0x0400 /* Error: deferred */
+#define LE_T1_SOP 0x0200 /* Start of packet */
+#define LE_T1_EOP 0x0100 /* End of packet */
+#define LE_T1_POK 0x0300 /* Packet is complete: SOP + EOP */
#define LE_T3_BUF 0x8000 /* Buffer error */
#define LE_T3_UFL 0x4000 /* Error underflow */
#undef TEST_HITS
#define ZERO 0
-/* The DS2000/3000 have a linear 64 KB buffer.
-
- * The PMAD-AA has 128 kb buffer on-board.
+/*
+ * The DS2100/3100 have a linear 64 kB buffer which supports halfword
+ * accesses only. Each halfword of the buffer is word-aligned in the
+ * CPU address space.
+ *
+ * The PMAD-AA has a 128 kB buffer on-board.
*
- * The IOASIC LANCE devices use a shared memory region. This region as seen
- * from the CPU is (max) 128 KB long and has to be on an 128 KB boundary.
- * The LANCE sees this as a 64 KB long continuous memory region.
+ * The IOASIC LANCE devices use a shared memory region. This region
+ * as seen from the CPU is (max) 128 kB long and has to be on an 128 kB
+ * boundary. The LANCE sees this as a 64 kB long continuous memory
+ * region.
*
- * The LANCE's DMA address is used as an index in this buffer and DMA takes
- * place in bursts of eight 16-Bit words which are packed into four 32-Bit words
- * by the IOASIC. This leads to a strange padding: 16 bytes of valid data followed
- * by a 16 byte gap :-(.
+ * The LANCE's DMA address is used as an index in this buffer and DMA
+ * takes place in bursts of eight 16-bit words which are packed into
+ * four 32-bit words by the IOASIC. This leads to a strange padding:
+ * 16 bytes of valid data followed by a 16 byte gap :-(.
*/
struct lance_rx_desc {
unsigned short rmd0; /* low address of packet */
- short gap0;
- unsigned char rmd1_hadr; /* high address of packet */
- unsigned char rmd1_bits; /* descriptor bits */
- short gap1;
+ unsigned short rmd1; /* high address of packet
+ and descriptor bits */
short length; /* 2s complement (negative!)
of buffer length */
- short gap2;
unsigned short mblength; /* actual number of bytes received */
- short gap3;
};
struct lance_tx_desc {
unsigned short tmd0; /* low address of packet */
- short gap0;
- unsigned char tmd1_hadr; /* high address of packet */
- unsigned char tmd1_bits; /* descriptor bits */
- short gap1;
+ unsigned short tmd1; /* high address of packet
+ and descriptor bits */
short length; /* 2s complement (negative!)
of buffer length */
- short gap2;
unsigned short misc;
- short gap3;
};
/* First part of the LANCE initialization block, described in databook. */
struct lance_init_block {
unsigned short mode; /* pre-set mode (reg. 15) */
- short gap0;
- unsigned char phys_addr[12]; /* physical ethernet address
- only 0, 1, 4, 5, 8, 9 are valid
- 2, 3, 6, 7, 10, 11 are gaps */
- unsigned short filter[8]; /* multicast filter
- only 0, 2, 4, 6 are valid
- 1, 3, 5, 7 are gaps */
+ unsigned short phys_addr[3]; /* physical ethernet address */
+ unsigned short filter[4]; /* multicast filter */
/* Receive and transmit ring base, along with extra bits. */
unsigned short rx_ptr; /* receive descriptor addr */
- short gap1;
unsigned short rx_len; /* receive len and high addr */
- short gap2;
unsigned short tx_ptr; /* transmit descriptor addr */
- short gap3;
unsigned short tx_len; /* transmit len and high addr */
- short gap4;
- short gap5[8];
+
+ short gap[4];
/* The buffer descriptors */
struct lance_rx_desc brx_ring[RX_RING_SIZE];
};
#define BUF_OFFSET_CPU sizeof(struct lance_init_block)
-#define BUF_OFFSET_LNC (sizeof(struct lance_init_block)>>1)
+#define BUF_OFFSET_LNC sizeof(struct lance_init_block)
-#define libdesc_offset(rt, elem) \
-((__u32)(((unsigned long)(&(((struct lance_init_block *)0)->rt[elem])))))
+#define shift_off(off, type) \
+ (type == ASIC_LANCE || type == PMAX_LANCE ? off << 1 : off)
-/*
- * This works *only* for the ring descriptors
- */
-#define LANCE_ADDR(x) (CPHYSADDR(x) >> 1)
+#define lib_off(rt, type) \
+ shift_off(offsetof(struct lance_init_block, rt), type)
+
+#define lib_ptr(ib, rt, type) \
+ ((volatile u16 *)((u8 *)(ib) + lib_off(rt, type)))
+
+#define rds_off(rt, type) \
+ shift_off(offsetof(struct lance_rx_desc, rt), type)
+
+#define rds_ptr(rd, rt, type) \
+ ((volatile u16 *)((u8 *)(rd) + rds_off(rt, type)))
+
+#define tds_off(rt, type) \
+ shift_off(offsetof(struct lance_tx_desc, rt), type)
+
+#define tds_ptr(td, rt, type) \
+ ((volatile u16 *)((u8 *)(td) + tds_off(rt, type)))
struct lance_private {
struct net_device *next;
int type;
- int slot;
int dma_irq;
volatile struct lance_regs *ll;
- volatile struct lance_init_block *init_block;
spinlock_t lock;
int rx_new, tx_new;
int rx_old, tx_old;
- struct net_device_stats stats;
-
unsigned short busmaster_regval;
struct timer_list multicast_timer;
char *tx_buf_ptr_cpu[TX_RING_SIZE];
/* Pointers to the ring buffers as seen from the LANCE */
- char *rx_buf_ptr_lnc[RX_RING_SIZE];
- char *tx_buf_ptr_lnc[TX_RING_SIZE];
+ uint rx_buf_ptr_lnc[RX_RING_SIZE];
+ uint tx_buf_ptr_lnc[TX_RING_SIZE];
};
#define TX_BUFFS_AVAIL ((lp->tx_old<=lp->tx_new)?\
int dec_lance_debug = 2;
+static struct tc_driver dec_lance_tc_driver;
static struct net_device *root_lance_dev;
static inline void writereg(volatile unsigned short *regptr, short value)
static void load_csrs(struct lance_private *lp)
{
volatile struct lance_regs *ll = lp->ll;
- int leptr;
+ uint leptr;
/* The address space as seen from the LANCE
* begins at address 0. HK
* Our specialized copy routines
*
*/
-void cp_to_buf(const int type, void *to, const void *from, int len)
+static void cp_to_buf(const int type, void *to, const void *from, int len)
{
unsigned short *tp, *fp, clen;
unsigned char *rtp, *rfp;
- if (type == PMAX_LANCE) {
+ if (type == PMAD_LANCE) {
+ memcpy(to, from, len);
+ } else if (type == PMAX_LANCE) {
clen = len >> 1;
tp = (unsigned short *) to;
fp = (unsigned short *) from;
iob();
}
-void cp_from_buf(const int type, void *to, const void *from, int len)
+static void cp_from_buf(const int type, void *to, const void *from, int len)
{
unsigned short *tp, *fp, clen;
unsigned char *rtp, *rfp;
- if (type == PMAX_LANCE) {
+ if (type == PMAD_LANCE) {
+ memcpy(to, from, len);
+ } else if (type == PMAX_LANCE) {
clen = len >> 1;
tp = (unsigned short *) to;
fp = (unsigned short *) from;
static void lance_init_ring(struct net_device *dev)
{
struct lance_private *lp = netdev_priv(dev);
- volatile struct lance_init_block *ib;
- int leptr;
+ volatile u16 *ib = (volatile u16 *)dev->mem_start;
+ uint leptr;
int i;
- ib = (struct lance_init_block *) (dev->mem_start);
-
/* Lock out other processes while setting up hardware */
netif_stop_queue(dev);
lp->rx_new = lp->tx_new = 0;
/* Copy the ethernet address to the lance init block.
* XXX bit 0 of the physical address registers has to be zero
*/
- ib->phys_addr[0] = dev->dev_addr[0];
- ib->phys_addr[1] = dev->dev_addr[1];
- ib->phys_addr[4] = dev->dev_addr[2];
- ib->phys_addr[5] = dev->dev_addr[3];
- ib->phys_addr[8] = dev->dev_addr[4];
- ib->phys_addr[9] = dev->dev_addr[5];
+ *lib_ptr(ib, phys_addr[0], lp->type) = (dev->dev_addr[1] << 8) |
+ dev->dev_addr[0];
+ *lib_ptr(ib, phys_addr[1], lp->type) = (dev->dev_addr[3] << 8) |
+ dev->dev_addr[2];
+ *lib_ptr(ib, phys_addr[2], lp->type) = (dev->dev_addr[5] << 8) |
+ dev->dev_addr[4];
/* Setup the initialization block */
/* Setup rx descriptor pointer */
- leptr = LANCE_ADDR(libdesc_offset(brx_ring, 0));
- ib->rx_len = (LANCE_LOG_RX_BUFFERS << 13) | (leptr >> 16);
- ib->rx_ptr = leptr;
+ leptr = offsetof(struct lance_init_block, brx_ring);
+ *lib_ptr(ib, rx_len, lp->type) = (LANCE_LOG_RX_BUFFERS << 13) |
+ (leptr >> 16);
+ *lib_ptr(ib, rx_ptr, lp->type) = leptr;
if (ZERO)
- printk("RX ptr: %8.8x(%8.8x)\n", leptr, libdesc_offset(brx_ring, 0));
+ printk("RX ptr: %8.8x(%8.8x)\n",
+ leptr, lib_off(brx_ring, lp->type));
/* Setup tx descriptor pointer */
- leptr = LANCE_ADDR(libdesc_offset(btx_ring, 0));
- ib->tx_len = (LANCE_LOG_TX_BUFFERS << 13) | (leptr >> 16);
- ib->tx_ptr = leptr;
+ leptr = offsetof(struct lance_init_block, btx_ring);
+ *lib_ptr(ib, tx_len, lp->type) = (LANCE_LOG_TX_BUFFERS << 13) |
+ (leptr >> 16);
+ *lib_ptr(ib, tx_ptr, lp->type) = leptr;
if (ZERO)
- printk("TX ptr: %8.8x(%8.8x)\n", leptr, libdesc_offset(btx_ring, 0));
+ printk("TX ptr: %8.8x(%8.8x)\n",
+ leptr, lib_off(btx_ring, lp->type));
if (ZERO)
printk("TX rings:\n");
/* Setup the Tx ring entries */
for (i = 0; i < TX_RING_SIZE; i++) {
- leptr = (int) lp->tx_buf_ptr_lnc[i];
- ib->btx_ring[i].tmd0 = leptr;
- ib->btx_ring[i].tmd1_hadr = leptr >> 16;
- ib->btx_ring[i].tmd1_bits = 0;
- ib->btx_ring[i].length = 0xf000; /* The ones required by tmd2 */
- ib->btx_ring[i].misc = 0;
+ leptr = lp->tx_buf_ptr_lnc[i];
+ *lib_ptr(ib, btx_ring[i].tmd0, lp->type) = leptr;
+ *lib_ptr(ib, btx_ring[i].tmd1, lp->type) = (leptr >> 16) &
+ 0xff;
+ *lib_ptr(ib, btx_ring[i].length, lp->type) = 0xf000;
+ /* The ones required by tmd2 */
+ *lib_ptr(ib, btx_ring[i].misc, lp->type) = 0;
if (i < 3 && ZERO)
- printk("%d: 0x%8.8x(0x%8.8x)\n", i, leptr, (int) lp->tx_buf_ptr_cpu[i]);
+ printk("%d: 0x%8.8x(0x%8.8x)\n",
+ i, leptr, (uint)lp->tx_buf_ptr_cpu[i]);
}
/* Setup the Rx ring entries */
if (ZERO)
printk("RX rings:\n");
for (i = 0; i < RX_RING_SIZE; i++) {
- leptr = (int) lp->rx_buf_ptr_lnc[i];
- ib->brx_ring[i].rmd0 = leptr;
- ib->brx_ring[i].rmd1_hadr = leptr >> 16;
- ib->brx_ring[i].rmd1_bits = LE_R1_OWN;
- ib->brx_ring[i].length = -RX_BUFF_SIZE | 0xf000;
- ib->brx_ring[i].mblength = 0;
+ leptr = lp->rx_buf_ptr_lnc[i];
+ *lib_ptr(ib, brx_ring[i].rmd0, lp->type) = leptr;
+ *lib_ptr(ib, brx_ring[i].rmd1, lp->type) = ((leptr >> 16) &
+ 0xff) |
+ LE_R1_OWN;
+ *lib_ptr(ib, brx_ring[i].length, lp->type) = -RX_BUFF_SIZE |
+ 0xf000;
+ *lib_ptr(ib, brx_ring[i].mblength, lp->type) = 0;
if (i < 3 && ZERO)
- printk("%d: 0x%8.8x(0x%8.8x)\n", i, leptr, (int) lp->rx_buf_ptr_cpu[i]);
+ printk("%d: 0x%8.8x(0x%8.8x)\n",
+ i, leptr, (uint)lp->rx_buf_ptr_cpu[i]);
}
iob();
}
udelay(10);
}
if ((i == 100) || (ll->rdp & LE_C0_ERR)) {
- printk("LANCE unopened after %d ticks, csr0=%4.4x.\n", i, ll->rdp);
+ printk("LANCE unopened after %d ticks, csr0=%4.4x.\n",
+ i, ll->rdp);
return -1;
}
if ((ll->rdp & LE_C0_ERR)) {
- printk("LANCE unopened after %d ticks, csr0=%4.4x.\n", i, ll->rdp);
+ printk("LANCE unopened after %d ticks, csr0=%4.4x.\n",
+ i, ll->rdp);
return -1;
}
writereg(&ll->rdp, LE_C0_IDON);
static int lance_rx(struct net_device *dev)
{
struct lance_private *lp = netdev_priv(dev);
- volatile struct lance_init_block *ib;
- volatile struct lance_rx_desc *rd = 0;
- unsigned char bits;
- int len = 0;
- struct sk_buff *skb = 0;
- ib = (struct lance_init_block *) (dev->mem_start);
+ volatile u16 *ib = (volatile u16 *)dev->mem_start;
+ volatile u16 *rd;
+ unsigned short bits;
+ int entry, len;
+ struct sk_buff *skb;
#ifdef TEST_HITS
{
printk("[");
for (i = 0; i < RX_RING_SIZE; i++) {
if (i == lp->rx_new)
- printk("%s", ib->brx_ring[i].rmd1_bits &
+ printk("%s", *lib_ptr(ib, brx_ring[i].rmd1,
+ lp->type) &
LE_R1_OWN ? "_" : "X");
else
- printk("%s", ib->brx_ring[i].rmd1_bits &
+ printk("%s", *lib_ptr(ib, brx_ring[i].rmd1,
+ lp->type) &
LE_R1_OWN ? "." : "1");
}
printk("]");
}
#endif
- for (rd = &ib->brx_ring[lp->rx_new];
- !((bits = rd->rmd1_bits) & LE_R1_OWN);
- rd = &ib->brx_ring[lp->rx_new]) {
+ for (rd = lib_ptr(ib, brx_ring[lp->rx_new], lp->type);
+ !((bits = *rds_ptr(rd, rmd1, lp->type)) & LE_R1_OWN);
+ rd = lib_ptr(ib, brx_ring[lp->rx_new], lp->type)) {
+ entry = lp->rx_new;
/* We got an incomplete frame? */
if ((bits & LE_R1_POK) != LE_R1_POK) {
- lp->stats.rx_over_errors++;
- lp->stats.rx_errors++;
+ dev->stats.rx_over_errors++;
+ dev->stats.rx_errors++;
} else if (bits & LE_R1_ERR) {
/* Count only the end frame as a rx error,
* not the beginning
*/
if (bits & LE_R1_BUF)
- lp->stats.rx_fifo_errors++;
+ dev->stats.rx_fifo_errors++;
if (bits & LE_R1_CRC)
- lp->stats.rx_crc_errors++;
+ dev->stats.rx_crc_errors++;
if (bits & LE_R1_OFL)
- lp->stats.rx_over_errors++;
+ dev->stats.rx_over_errors++;
if (bits & LE_R1_FRA)
- lp->stats.rx_frame_errors++;
+ dev->stats.rx_frame_errors++;
if (bits & LE_R1_EOP)
- lp->stats.rx_errors++;
+ dev->stats.rx_errors++;
} else {
- len = (rd->mblength & 0xfff) - 4;
+ len = (*rds_ptr(rd, mblength, lp->type) & 0xfff) - 4;
skb = dev_alloc_skb(len + 2);
if (skb == 0) {
printk("%s: Memory squeeze, deferring packet.\n",
dev->name);
- lp->stats.rx_dropped++;
- rd->mblength = 0;
- rd->rmd1_bits = LE_R1_OWN;
- lp->rx_new = (lp->rx_new + 1) & RX_RING_MOD_MASK;
+ dev->stats.rx_dropped++;
+ *rds_ptr(rd, mblength, lp->type) = 0;
+ *rds_ptr(rd, rmd1, lp->type) =
+ ((lp->rx_buf_ptr_lnc[entry] >> 16) &
+ 0xff) | LE_R1_OWN;
+ lp->rx_new = (entry + 1) & RX_RING_MOD_MASK;
return 0;
}
- lp->stats.rx_bytes += len;
+ dev->stats.rx_bytes += len;
- skb->dev = dev;
skb_reserve(skb, 2); /* 16 byte align */
skb_put(skb, len); /* make room */
cp_from_buf(lp->type, skb->data,
- (char *)lp->rx_buf_ptr_cpu[lp->rx_new],
- len);
+ (char *)lp->rx_buf_ptr_cpu[entry], len);
skb->protocol = eth_type_trans(skb, dev);
netif_rx(skb);
- dev->last_rx = jiffies;
- lp->stats.rx_packets++;
+ dev->stats.rx_packets++;
}
/* Return the packet to the pool */
- rd->mblength = 0;
- rd->length = -RX_BUFF_SIZE | 0xf000;
- rd->rmd1_bits = LE_R1_OWN;
- lp->rx_new = (lp->rx_new + 1) & RX_RING_MOD_MASK;
+ *rds_ptr(rd, mblength, lp->type) = 0;
+ *rds_ptr(rd, length, lp->type) = -RX_BUFF_SIZE | 0xf000;
+ *rds_ptr(rd, rmd1, lp->type) =
+ ((lp->rx_buf_ptr_lnc[entry] >> 16) & 0xff) | LE_R1_OWN;
+ lp->rx_new = (entry + 1) & RX_RING_MOD_MASK;
}
return 0;
}
static void lance_tx(struct net_device *dev)
{
struct lance_private *lp = netdev_priv(dev);
- volatile struct lance_init_block *ib;
+ volatile u16 *ib = (volatile u16 *)dev->mem_start;
volatile struct lance_regs *ll = lp->ll;
- volatile struct lance_tx_desc *td;
+ volatile u16 *td;
int i, j;
int status;
- ib = (struct lance_init_block *) (dev->mem_start);
+
j = lp->tx_old;
spin_lock(&lp->lock);
for (i = j; i != lp->tx_new; i = j) {
- td = &ib->btx_ring[i];
+ td = lib_ptr(ib, btx_ring[i], lp->type);
/* If we hit a packet not owned by us, stop */
- if (td->tmd1_bits & LE_T1_OWN)
+ if (*tds_ptr(td, tmd1, lp->type) & LE_T1_OWN)
break;
- if (td->tmd1_bits & LE_T1_ERR) {
- status = td->misc;
+ if (*tds_ptr(td, tmd1, lp->type) & LE_T1_ERR) {
+ status = *tds_ptr(td, misc, lp->type);
- lp->stats.tx_errors++;
+ dev->stats.tx_errors++;
if (status & LE_T3_RTY)
- lp->stats.tx_aborted_errors++;
+ dev->stats.tx_aborted_errors++;
if (status & LE_T3_LCOL)
- lp->stats.tx_window_errors++;
+ dev->stats.tx_window_errors++;
if (status & LE_T3_CLOS) {
- lp->stats.tx_carrier_errors++;
+ dev->stats.tx_carrier_errors++;
printk("%s: Carrier Lost\n", dev->name);
/* Stop the lance */
writereg(&ll->rap, LE_CSR0);
* transmitter, restart the adapter.
*/
if (status & (LE_T3_BUF | LE_T3_UFL)) {
- lp->stats.tx_fifo_errors++;
+ dev->stats.tx_fifo_errors++;
printk("%s: Tx: ERR_BUF|ERR_UFL, restarting\n",
dev->name);
init_restart_lance(lp);
goto out;
}
- } else if ((td->tmd1_bits & LE_T1_POK) == LE_T1_POK) {
+ } else if ((*tds_ptr(td, tmd1, lp->type) & LE_T1_POK) ==
+ LE_T1_POK) {
/*
* So we don't count the packet more than once.
*/
- td->tmd1_bits &= ~(LE_T1_POK);
+ *tds_ptr(td, tmd1, lp->type) &= ~(LE_T1_POK);
/* One collision before packet was sent. */
- if (td->tmd1_bits & LE_T1_EONE)
- lp->stats.collisions++;
+ if (*tds_ptr(td, tmd1, lp->type) & LE_T1_EONE)
+ dev->stats.collisions++;
/* More than one collision, be optimistic. */
- if (td->tmd1_bits & LE_T1_EMORE)
- lp->stats.collisions += 2;
+ if (*tds_ptr(td, tmd1, lp->type) & LE_T1_EMORE)
+ dev->stats.collisions += 2;
- lp->stats.tx_packets++;
+ dev->stats.tx_packets++;
}
j = (j + 1) & TX_RING_MOD_MASK;
}
spin_unlock(&lp->lock);
}
-static irqreturn_t lance_dma_merr_int(const int irq, void *dev_id)
+static irqreturn_t lance_dma_merr_int(int irq, void *dev_id)
{
- struct net_device *dev = (struct net_device *) dev_id;
+ struct net_device *dev = dev_id;
- printk("%s: DMA error\n", dev->name);
+ printk(KERN_ERR "%s: DMA error\n", dev->name);
return IRQ_HANDLED;
}
-static irqreturn_t lance_interrupt(const int irq, void *dev_id)
+static irqreturn_t lance_interrupt(int irq, void *dev_id)
{
- struct net_device *dev = (struct net_device *) dev_id;
+ struct net_device *dev = dev_id;
struct lance_private *lp = netdev_priv(dev);
volatile struct lance_regs *ll = lp->ll;
int csr0;
lance_tx(dev);
if (csr0 & LE_C0_BABL)
- lp->stats.tx_errors++;
+ dev->stats.tx_errors++;
if (csr0 & LE_C0_MISS)
- lp->stats.rx_errors++;
+ dev->stats.rx_errors++;
if (csr0 & LE_C0_MERR) {
printk("%s: Memory error, status %04x\n", dev->name, csr0);
return IRQ_HANDLED;
}
-struct net_device *last_dev = 0;
-
static int lance_open(struct net_device *dev)
{
- volatile struct lance_init_block *ib = (struct lance_init_block *) (dev->mem_start);
+ volatile u16 *ib = (volatile u16 *)dev->mem_start;
struct lance_private *lp = netdev_priv(dev);
volatile struct lance_regs *ll = lp->ll;
int status = 0;
- last_dev = dev;
-
/* Stop the Lance */
writereg(&ll->rap, LE_CSR0);
writereg(&ll->rdp, LE_C0_STOP);
*
* BTW it is common bug in all lance drivers! --ANK
*/
- ib->mode = 0;
- ib->filter [0] = 0;
- ib->filter [2] = 0;
- ib->filter [4] = 0;
- ib->filter [6] = 0;
+ *lib_ptr(ib, mode, lp->type) = 0;
+ *lib_ptr(ib, filter[0], lp->type) = 0;
+ *lib_ptr(ib, filter[1], lp->type) = 0;
+ *lib_ptr(ib, filter[2], lp->type) = 0;
+ *lib_ptr(ib, filter[3], lp->type) = 0;
lance_init_ring(dev);
load_csrs(lp);
netif_start_queue(dev);
/* Associate IRQ with lance_interrupt */
- if (request_irq(dev->irq, &lance_interrupt, 0, "lance", dev)) {
+ if (request_irq(dev->irq, lance_interrupt, 0, "lance", dev)) {
printk("%s: Can't get IRQ %d\n", dev->name, dev->irq);
return -EAGAIN;
}
if (lp->dma_irq >= 0) {
unsigned long flags;
- if (request_irq(lp->dma_irq, &lance_dma_merr_int, 0,
+ if (request_irq(lp->dma_irq, lance_dma_merr_int, 0,
"lance error", dev)) {
free_irq(dev->irq, dev);
printk("%s: Can't get DMA IRQ %d\n", dev->name,
{
struct lance_private *lp = netdev_priv(dev);
volatile struct lance_regs *ll = lp->ll;
- volatile struct lance_init_block *ib = (struct lance_init_block *) (dev->mem_start);
- int entry, skblen, len;
-
- skblen = skb->len;
+ volatile u16 *ib = (volatile u16 *)dev->mem_start;
+ unsigned long flags;
+ int entry, len;
- len = skblen;
+ len = skb->len;
if (len < ETH_ZLEN) {
if (skb_padto(skb, ETH_ZLEN))
- return 0;
+ return NETDEV_TX_OK;
len = ETH_ZLEN;
}
- lp->stats.tx_bytes += len;
+ dev->stats.tx_bytes += len;
- entry = lp->tx_new & TX_RING_MOD_MASK;
- ib->btx_ring[entry].length = (-len);
- ib->btx_ring[entry].misc = 0;
+ spin_lock_irqsave(&lp->lock, flags);
- cp_to_buf(lp->type, (char *)lp->tx_buf_ptr_cpu[entry], skb->data,
- skblen);
+ entry = lp->tx_new;
+ *lib_ptr(ib, btx_ring[entry].length, lp->type) = (-len);
+ *lib_ptr(ib, btx_ring[entry].misc, lp->type) = 0;
- /* Clear the slack of the packet, do I need this? */
- /* For a firewall it's a good idea - AC */
-/*
- if (len != skblen)
- memset ((char *) &ib->tx_buf [entry][skblen], 0, (len - skblen) << 1);
- */
+ cp_to_buf(lp->type, (char *)lp->tx_buf_ptr_cpu[entry], skb->data, len);
/* Now, give the packet to the lance */
- ib->btx_ring[entry].tmd1_bits = (LE_T1_POK | LE_T1_OWN);
- lp->tx_new = (lp->tx_new + 1) & TX_RING_MOD_MASK;
+ *lib_ptr(ib, btx_ring[entry].tmd1, lp->type) =
+ ((lp->tx_buf_ptr_lnc[entry] >> 16) & 0xff) |
+ (LE_T1_POK | LE_T1_OWN);
+ lp->tx_new = (entry + 1) & TX_RING_MOD_MASK;
if (TX_BUFFS_AVAIL <= 0)
netif_stop_queue(dev);
/* Kick the lance: transmit now */
writereg(&ll->rdp, LE_C0_INEA | LE_C0_TDMD);
- spin_unlock_irq(&lp->lock);
+ spin_unlock_irqrestore(&lp->lock, flags);
dev->trans_start = jiffies;
dev_kfree_skb(skb);
- return 0;
-}
-
-static struct net_device_stats *lance_get_stats(struct net_device *dev)
-{
- struct lance_private *lp = netdev_priv(dev);
-
- return &lp->stats;
+ return NETDEV_TX_OK;
}
static void lance_load_multicast(struct net_device *dev)
{
- volatile struct lance_init_block *ib = (struct lance_init_block *) (dev->mem_start);
- volatile u16 *mcast_table = (u16 *) & ib->filter;
+ struct lance_private *lp = netdev_priv(dev);
+ volatile u16 *ib = (volatile u16 *)dev->mem_start;
struct dev_mc_list *dmi = dev->mc_list;
char *addrs;
int i;
/* set all multicast bits */
if (dev->flags & IFF_ALLMULTI) {
- ib->filter[0] = 0xffff;
- ib->filter[2] = 0xffff;
- ib->filter[4] = 0xffff;
- ib->filter[6] = 0xffff;
+ *lib_ptr(ib, filter[0], lp->type) = 0xffff;
+ *lib_ptr(ib, filter[1], lp->type) = 0xffff;
+ *lib_ptr(ib, filter[2], lp->type) = 0xffff;
+ *lib_ptr(ib, filter[3], lp->type) = 0xffff;
return;
}
/* clear the multicast filter */
- ib->filter[0] = 0;
- ib->filter[2] = 0;
- ib->filter[4] = 0;
- ib->filter[6] = 0;
+ *lib_ptr(ib, filter[0], lp->type) = 0;
+ *lib_ptr(ib, filter[1], lp->type) = 0;
+ *lib_ptr(ib, filter[2], lp->type) = 0;
+ *lib_ptr(ib, filter[3], lp->type) = 0;
/* Add addresses */
- for (i = 0; i < dev->mc_count; i++) {
+ for (i = 0; i < netdev_mc_count(dev); i++) {
addrs = dmi->dmi_addr;
dmi = dmi->next;
crc = ether_crc_le(ETH_ALEN, addrs);
crc = crc >> 26;
- mcast_table[2 * (crc >> 4)] |= 1 << (crc & 0xf);
+ *lib_ptr(ib, filter[crc >> 4], lp->type) |= 1 << (crc & 0xf);
}
return;
}
static void lance_set_multicast(struct net_device *dev)
{
struct lance_private *lp = netdev_priv(dev);
- volatile struct lance_init_block *ib;
+ volatile u16 *ib = (volatile u16 *)dev->mem_start;
volatile struct lance_regs *ll = lp->ll;
- ib = (struct lance_init_block *) (dev->mem_start);
-
if (!netif_running(dev))
return;
lance_init_ring(dev);
if (dev->flags & IFF_PROMISC) {
- ib->mode |= LE_MO_PROM;
+ *lib_ptr(ib, mode, lp->type) |= LE_MO_PROM;
} else {
- ib->mode &= ~LE_MO_PROM;
+ *lib_ptr(ib, mode, lp->type) &= ~LE_MO_PROM;
lance_load_multicast(dev);
}
load_csrs(lp);
lance_set_multicast(dev);
}
-static int __init dec_lance_init(const int type, const int slot)
+static const struct net_device_ops lance_netdev_ops = {
+ .ndo_open = lance_open,
+ .ndo_stop = lance_close,
+ .ndo_start_xmit = lance_start_xmit,
+ .ndo_tx_timeout = lance_tx_timeout,
+ .ndo_set_multicast_list = lance_set_multicast,
+ .ndo_change_mtu = eth_change_mtu,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_set_mac_address = eth_mac_addr,
+};
+
+static int __init dec_lance_probe(struct device *bdev, const int type)
{
static unsigned version_printed;
static const char fmt[] = "declance%d";
struct net_device *dev;
struct lance_private *lp;
volatile struct lance_regs *ll;
+ resource_size_t start = 0, len = 0;
int i, ret;
unsigned long esar_base;
unsigned char *esar;
if (dec_lance_debug && version_printed++ == 0)
printk(version);
- i = 0;
- dev = root_lance_dev;
- while (dev) {
- i++;
- lp = (struct lance_private *)dev->priv;
- dev = lp->next;
+ if (bdev)
+ snprintf(name, sizeof(name), "%s", dev_name(bdev));
+ else {
+ i = 0;
+ dev = root_lance_dev;
+ while (dev) {
+ i++;
+ lp = netdev_priv(dev);
+ dev = lp->next;
+ }
+ snprintf(name, sizeof(name), fmt, i);
}
- snprintf(name, sizeof(name), fmt, i);
dev = alloc_etherdev(sizeof(struct lance_private));
if (!dev) {
spin_lock_init(&lp->lock);
lp->type = type;
- lp->slot = slot;
switch (type) {
-#ifdef CONFIG_TC
case ASIC_LANCE:
dev->base_addr = CKSEG1ADDR(dec_kn_slot_base + IOASIC_LANCE);
*/
for (i = 0; i < RX_RING_SIZE; i++) {
lp->rx_buf_ptr_cpu[i] =
- (char *)(dev->mem_start + BUF_OFFSET_CPU +
+ (char *)(dev->mem_start + 2 * BUF_OFFSET_CPU +
2 * i * RX_BUFF_SIZE);
lp->rx_buf_ptr_lnc[i] =
- (char *)(BUF_OFFSET_LNC + i * RX_BUFF_SIZE);
+ (BUF_OFFSET_LNC + i * RX_BUFF_SIZE);
}
for (i = 0; i < TX_RING_SIZE; i++) {
lp->tx_buf_ptr_cpu[i] =
- (char *)(dev->mem_start + BUF_OFFSET_CPU +
+ (char *)(dev->mem_start + 2 * BUF_OFFSET_CPU +
2 * RX_RING_SIZE * RX_BUFF_SIZE +
2 * i * TX_BUFF_SIZE);
lp->tx_buf_ptr_lnc[i] =
- (char *)(BUF_OFFSET_LNC +
- RX_RING_SIZE * RX_BUFF_SIZE +
- i * TX_BUFF_SIZE);
+ (BUF_OFFSET_LNC +
+ RX_RING_SIZE * RX_BUFF_SIZE +
+ i * TX_BUFF_SIZE);
}
/* Setup I/O ASIC LANCE DMA. */
CPHYSADDR(dev->mem_start) << 3);
break;
-
+#ifdef CONFIG_TC
case PMAD_LANCE:
- claim_tc_card(slot);
+ dev_set_drvdata(bdev, dev);
+
+ start = to_tc_dev(bdev)->resource.start;
+ len = to_tc_dev(bdev)->resource.end - start + 1;
+ if (!request_mem_region(start, len, dev_name(bdev))) {
+ printk(KERN_ERR
+ "%s: Unable to reserve MMIO resource\n",
+ dev_name(bdev));
+ ret = -EBUSY;
+ goto err_out_dev;
+ }
- dev->mem_start = CKSEG1ADDR(get_tc_base_addr(slot));
+ dev->mem_start = CKSEG1ADDR(start);
+ dev->mem_end = dev->mem_start + 0x100000;
dev->base_addr = dev->mem_start + 0x100000;
- dev->irq = get_tc_irq_nr(slot);
+ dev->irq = to_tc_dev(bdev)->interrupt;
esar_base = dev->mem_start + 0x1c0002;
lp->dma_irq = -1;
(char *)(dev->mem_start + BUF_OFFSET_CPU +
i * RX_BUFF_SIZE);
lp->rx_buf_ptr_lnc[i] =
- (char *)(BUF_OFFSET_LNC + i * RX_BUFF_SIZE);
+ (BUF_OFFSET_LNC + i * RX_BUFF_SIZE);
}
for (i = 0; i < TX_RING_SIZE; i++) {
lp->tx_buf_ptr_cpu[i] =
RX_RING_SIZE * RX_BUFF_SIZE +
i * TX_BUFF_SIZE);
lp->tx_buf_ptr_lnc[i] =
- (char *)(BUF_OFFSET_LNC +
- RX_RING_SIZE * RX_BUFF_SIZE +
- i * TX_BUFF_SIZE);
+ (BUF_OFFSET_LNC +
+ RX_RING_SIZE * RX_BUFF_SIZE +
+ i * TX_BUFF_SIZE);
}
break;
#endif
-
case PMAX_LANCE:
dev->irq = dec_interrupt[DEC_IRQ_LANCE];
dev->base_addr = CKSEG1ADDR(KN01_SLOT_BASE + KN01_LANCE);
dev->mem_start = CKSEG1ADDR(KN01_SLOT_BASE + KN01_LANCE_MEM);
+ dev->mem_end = dev->mem_start + KN01_SLOT_SIZE;
esar_base = CKSEG1ADDR(KN01_SLOT_BASE + KN01_ESAR + 1);
lp->dma_irq = -1;
*/
for (i = 0; i < RX_RING_SIZE; i++) {
lp->rx_buf_ptr_cpu[i] =
- (char *)(dev->mem_start + BUF_OFFSET_CPU +
+ (char *)(dev->mem_start + 2 * BUF_OFFSET_CPU +
2 * i * RX_BUFF_SIZE);
lp->rx_buf_ptr_lnc[i] =
- (char *)(BUF_OFFSET_LNC + i * RX_BUFF_SIZE);
+ (BUF_OFFSET_LNC + i * RX_BUFF_SIZE);
}
for (i = 0; i < TX_RING_SIZE; i++) {
lp->tx_buf_ptr_cpu[i] =
- (char *)(dev->mem_start + BUF_OFFSET_CPU +
+ (char *)(dev->mem_start + 2 * BUF_OFFSET_CPU +
2 * RX_RING_SIZE * RX_BUFF_SIZE +
2 * i * TX_BUFF_SIZE);
lp->tx_buf_ptr_lnc[i] =
- (char *)(BUF_OFFSET_LNC +
- RX_RING_SIZE * RX_BUFF_SIZE +
- i * TX_BUFF_SIZE);
+ (BUF_OFFSET_LNC +
+ RX_RING_SIZE * RX_BUFF_SIZE +
+ i * TX_BUFF_SIZE);
}
break;
printk(KERN_ERR "%s: declance_init called with unknown type\n",
name);
ret = -ENODEV;
- goto err_out_free_dev;
+ goto err_out_dev;
}
ll = (struct lance_regs *) dev->base_addr;
"%s: Ethernet station address prom not found!\n",
name);
ret = -ENODEV;
- goto err_out_free_dev;
+ goto err_out_resource;
}
/* Check the prom contents */
for (i = 0; i < 8; i++) {
printk(KERN_ERR "%s: Something is wrong with the "
"ethernet station address prom!\n", name);
ret = -ENODEV;
- goto err_out_free_dev;
+ goto err_out_resource;
}
}
*/
switch (type) {
case ASIC_LANCE:
- printk("%s: IOASIC onboard LANCE, addr = ", name);
+ printk("%s: IOASIC onboard LANCE", name);
break;
case PMAD_LANCE:
- printk("%s: PMAD-AA, addr = ", name);
+ printk("%s: PMAD-AA", name);
break;
case PMAX_LANCE:
- printk("%s: PMAX onboard LANCE, addr = ", name);
+ printk("%s: PMAX onboard LANCE", name);
break;
}
- for (i = 0; i < 6; i++) {
+ for (i = 0; i < 6; i++)
dev->dev_addr[i] = esar[i * 4];
- printk("%2.2x%c", dev->dev_addr[i], i == 5 ? ',' : ':');
- }
- printk(" irq = %d\n", dev->irq);
+ printk(", addr = %pM, irq = %d\n", dev->dev_addr, dev->irq);
- dev->open = &lance_open;
- dev->stop = &lance_close;
- dev->hard_start_xmit = &lance_start_xmit;
- dev->tx_timeout = &lance_tx_timeout;
+ dev->netdev_ops = &lance_netdev_ops;
dev->watchdog_timeo = 5*HZ;
- dev->get_stats = &lance_get_stats;
- dev->set_multicast_list = &lance_set_multicast;
/* lp->ll is the location of the registers for lance card */
lp->ll = ll;
if (ret) {
printk(KERN_ERR
"%s: Unable to register netdev, aborting.\n", name);
- goto err_out_free_dev;
+ goto err_out_resource;
}
- lp->next = root_lance_dev;
- root_lance_dev = dev;
+ if (!bdev) {
+ lp->next = root_lance_dev;
+ root_lance_dev = dev;
+ }
printk("%s: registered as %s.\n", name, dev->name);
return 0;
-err_out_free_dev:
+err_out_resource:
+ if (bdev)
+ release_mem_region(start, len);
+
+err_out_dev:
free_netdev(dev);
err_out:
return ret;
}
+static void __exit dec_lance_remove(struct device *bdev)
+{
+ struct net_device *dev = dev_get_drvdata(bdev);
+ resource_size_t start, len;
+
+ unregister_netdev(dev);
+ start = to_tc_dev(bdev)->resource.start;
+ len = to_tc_dev(bdev)->resource.end - start + 1;
+ release_mem_region(start, len);
+ free_netdev(dev);
+}
/* Find all the lance cards on the system and initialize them */
-static int __init dec_lance_probe(void)
+static int __init dec_lance_platform_probe(void)
{
int count = 0;
- /* Scan slots for PMAD-AA cards first. */
-#ifdef CONFIG_TC
- if (TURBOCHANNEL) {
- int slot;
-
- while ((slot = search_tc_card("PMAD-AA")) >= 0) {
- if (dec_lance_init(PMAD_LANCE, slot) < 0)
- break;
- count++;
- }
- }
-#endif
-
- /* Then handle onboard devices. */
if (dec_interrupt[DEC_IRQ_LANCE] >= 0) {
if (dec_interrupt[DEC_IRQ_LANCE_MERR] >= 0) {
-#ifdef CONFIG_TC
- if (dec_lance_init(ASIC_LANCE, -1) >= 0)
+ if (dec_lance_probe(NULL, ASIC_LANCE) >= 0)
count++;
-#endif
} else if (!TURBOCHANNEL) {
- if (dec_lance_init(PMAX_LANCE, -1) >= 0)
+ if (dec_lance_probe(NULL, PMAX_LANCE) >= 0)
count++;
}
}
return (count > 0) ? 0 : -ENODEV;
}
-static void __exit dec_lance_cleanup(void)
+static void __exit dec_lance_platform_remove(void)
{
while (root_lance_dev) {
struct net_device *dev = root_lance_dev;
struct lance_private *lp = netdev_priv(dev);
unregister_netdev(dev);
-#ifdef CONFIG_TC
- if (lp->slot >= 0)
- release_tc_card(lp->slot);
-#endif
root_lance_dev = lp->next;
free_netdev(dev);
}
}
-module_init(dec_lance_probe);
-module_exit(dec_lance_cleanup);
+#ifdef CONFIG_TC
+static int __init dec_lance_tc_probe(struct device *dev);
+static int __exit dec_lance_tc_remove(struct device *dev);
+
+static const struct tc_device_id dec_lance_tc_table[] = {
+ { "DEC ", "PMAD-AA " },
+ { }
+};
+MODULE_DEVICE_TABLE(tc, dec_lance_tc_table);
+
+static struct tc_driver dec_lance_tc_driver = {
+ .id_table = dec_lance_tc_table,
+ .driver = {
+ .name = "declance",
+ .bus = &tc_bus_type,
+ .probe = dec_lance_tc_probe,
+ .remove = __exit_p(dec_lance_tc_remove),
+ },
+};
+
+static int __init dec_lance_tc_probe(struct device *dev)
+{
+ int status = dec_lance_probe(dev, PMAD_LANCE);
+ if (!status)
+ get_device(dev);
+ return status;
+}
+
+static int __exit dec_lance_tc_remove(struct device *dev)
+{
+ put_device(dev);
+ dec_lance_remove(dev);
+ return 0;
+}
+#endif
+
+static int __init dec_lance_init(void)
+{
+ int status;
+
+ status = tc_register_driver(&dec_lance_tc_driver);
+ if (!status)
+ dec_lance_platform_probe();
+ return status;
+}
+
+static void __exit dec_lance_exit(void)
+{
+ dec_lance_platform_remove();
+ tc_unregister_driver(&dec_lance_tc_driver);
+}
+
+
+module_init(dec_lance_init);
+module_exit(dec_lance_exit);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff