net/7990: Fix whitespace errors
Most of them reported by checkpatch.pl Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Родитель
ea074b3495
Коммит
a8ab77a83a
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@ -42,9 +42,9 @@
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#include "7990.h"
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#define WRITERAP(lp,x) out_be16(lp->base + LANCE_RAP, (x))
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#define WRITERDP(lp,x) out_be16(lp->base + LANCE_RDP, (x))
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#define READRDP(lp) in_be16(lp->base + LANCE_RDP)
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#define WRITERAP(lp, x) out_be16(lp->base + LANCE_RAP, (x))
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#define WRITERDP(lp, x) out_be16(lp->base + LANCE_RDP, (x))
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#define READRDP(lp) in_be16(lp->base + LANCE_RDP)
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#if defined(CONFIG_HPLANCE) || defined(CONFIG_HPLANCE_MODULE)
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#include "hplance.h"
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@ -56,9 +56,9 @@
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#if defined(CONFIG_MVME147_NET) || defined(CONFIG_MVME147_NET_MODULE)
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/* Lossage Factor Nine, Mr Sulu. */
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#define WRITERAP(lp,x) (lp->writerap(lp,x))
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#define WRITERDP(lp,x) (lp->writerdp(lp,x))
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#define READRDP(lp) (lp->readrdp(lp))
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#define WRITERAP(lp, x) (lp->writerap(lp, x))
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#define WRITERDP(lp, x) (lp->writerdp(lp, x))
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#define READRDP(lp) (lp->readrdp(lp))
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#else
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@ -94,428 +94,436 @@ static inline __u16 READRDP(struct lance_private *lp)
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#ifdef UNDEF
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#define PRINT_RINGS() \
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do { \
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int t; \
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for (t=0; t < RX_RING_SIZE; t++) { \
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printk("R%d: @(%02X %04X) len %04X, mblen %04X, bits %02X\n",\
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t, ib->brx_ring[t].rmd1_hadr, ib->brx_ring[t].rmd0,\
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ib->brx_ring[t].length,\
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ib->brx_ring[t].mblength, ib->brx_ring[t].rmd1_bits);\
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}\
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for (t=0; t < TX_RING_SIZE; t++) { \
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printk("T%d: @(%02X %04X) len %04X, misc %04X, bits %02X\n",\
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t, ib->btx_ring[t].tmd1_hadr, ib->btx_ring[t].tmd0,\
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ib->btx_ring[t].length,\
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ib->btx_ring[t].misc, ib->btx_ring[t].tmd1_bits);\
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}\
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int t; \
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for (t = 0; t < RX_RING_SIZE; t++) { \
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printk("R%d: @(%02X %04X) len %04X, mblen %04X, bits %02X\n", \
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t, ib->brx_ring[t].rmd1_hadr, ib->brx_ring[t].rmd0, \
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ib->brx_ring[t].length, \
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ib->brx_ring[t].mblength, ib->brx_ring[t].rmd1_bits); \
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} \
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for (t = 0; t < TX_RING_SIZE; t++) { \
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printk("T%d: @(%02X %04X) len %04X, misc %04X, bits %02X\n", \
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t, ib->btx_ring[t].tmd1_hadr, ib->btx_ring[t].tmd0, \
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ib->btx_ring[t].length, \
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ib->btx_ring[t].misc, ib->btx_ring[t].tmd1_bits); \
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} \
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} while (0)
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#else
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#define PRINT_RINGS()
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#endif
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/* Load the CSR registers. The LANCE has to be STOPped when we do this! */
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static void load_csrs (struct lance_private *lp)
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static void load_csrs(struct lance_private *lp)
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{
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volatile struct lance_init_block *aib = lp->lance_init_block;
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int leptr;
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volatile struct lance_init_block *aib = lp->lance_init_block;
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int leptr;
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leptr = LANCE_ADDR (aib);
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leptr = LANCE_ADDR(aib);
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WRITERAP(lp, LE_CSR1); /* load address of init block */
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WRITERDP(lp, leptr & 0xFFFF);
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WRITERAP(lp, LE_CSR2);
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WRITERDP(lp, leptr >> 16);
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WRITERAP(lp, LE_CSR3);
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WRITERDP(lp, lp->busmaster_regval); /* set byteswap/ALEctrl/byte ctrl */
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WRITERAP(lp, LE_CSR1); /* load address of init block */
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WRITERDP(lp, leptr & 0xFFFF);
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WRITERAP(lp, LE_CSR2);
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WRITERDP(lp, leptr >> 16);
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WRITERAP(lp, LE_CSR3);
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WRITERDP(lp, lp->busmaster_regval); /* set byteswap/ALEctrl/byte ctrl */
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/* Point back to csr0 */
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WRITERAP(lp, LE_CSR0);
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/* Point back to csr0 */
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WRITERAP(lp, LE_CSR0);
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}
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/* #define to 0 or 1 appropriately */
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#define DEBUG_IRING 0
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/* Set up the Lance Rx and Tx rings and the init block */
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static void lance_init_ring (struct net_device *dev)
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static void lance_init_ring(struct net_device *dev)
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{
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struct lance_private *lp = netdev_priv(dev);
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volatile struct lance_init_block *ib = lp->init_block;
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volatile struct lance_init_block *aib; /* for LANCE_ADDR computations */
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int leptr;
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int i;
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struct lance_private *lp = netdev_priv(dev);
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volatile struct lance_init_block *ib = lp->init_block;
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volatile struct lance_init_block *aib; /* for LANCE_ADDR computations */
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int leptr;
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int i;
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aib = lp->lance_init_block;
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aib = lp->lance_init_block;
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lp->rx_new = lp->tx_new = 0;
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lp->rx_old = lp->tx_old = 0;
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lp->rx_new = lp->tx_new = 0;
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lp->rx_old = lp->tx_old = 0;
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ib->mode = LE_MO_PROM; /* normal, enable Tx & Rx */
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ib->mode = LE_MO_PROM; /* normal, enable Tx & Rx */
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/* Copy the ethernet address to the lance init block
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* Notice that we do a byteswap if we're big endian.
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* [I think this is the right criterion; at least, sunlance,
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* a2065 and atarilance do the byteswap and lance.c (PC) doesn't.
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* However, the datasheet says that the BSWAP bit doesn't affect
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* the init block, so surely it should be low byte first for
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* everybody? Um.]
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* We could define the ib->physaddr as three 16bit values and
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* use (addr[1] << 8) | addr[0] & co, but this is more efficient.
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*/
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/* Copy the ethernet address to the lance init block
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* Notice that we do a byteswap if we're big endian.
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* [I think this is the right criterion; at least, sunlance,
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* a2065 and atarilance do the byteswap and lance.c (PC) doesn't.
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* However, the datasheet says that the BSWAP bit doesn't affect
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* the init block, so surely it should be low byte first for
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* everybody? Um.]
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* We could define the ib->physaddr as three 16bit values and
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* use (addr[1] << 8) | addr[0] & co, but this is more efficient.
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*/
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#ifdef __BIG_ENDIAN
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ib->phys_addr [0] = dev->dev_addr [1];
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ib->phys_addr [1] = dev->dev_addr [0];
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ib->phys_addr [2] = dev->dev_addr [3];
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ib->phys_addr [3] = dev->dev_addr [2];
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ib->phys_addr [4] = dev->dev_addr [5];
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ib->phys_addr [5] = dev->dev_addr [4];
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ib->phys_addr[0] = dev->dev_addr[1];
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ib->phys_addr[1] = dev->dev_addr[0];
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ib->phys_addr[2] = dev->dev_addr[3];
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ib->phys_addr[3] = dev->dev_addr[2];
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ib->phys_addr[4] = dev->dev_addr[5];
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ib->phys_addr[5] = dev->dev_addr[4];
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#else
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for (i=0; i<6; i++)
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ib->phys_addr[i] = dev->dev_addr[i];
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for (i = 0; i < 6; i++)
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ib->phys_addr[i] = dev->dev_addr[i];
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#endif
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if (DEBUG_IRING)
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printk ("TX rings:\n");
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if (DEBUG_IRING)
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printk("TX rings:\n");
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lp->tx_full = 0;
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/* Setup the Tx ring entries */
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for (i = 0; i < (1<<lp->lance_log_tx_bufs); i++) {
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leptr = LANCE_ADDR(&aib->tx_buf[i][0]);
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ib->btx_ring [i].tmd0 = leptr;
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ib->btx_ring [i].tmd1_hadr = leptr >> 16;
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ib->btx_ring [i].tmd1_bits = 0;
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ib->btx_ring [i].length = 0xf000; /* The ones required by tmd2 */
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ib->btx_ring [i].misc = 0;
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if (DEBUG_IRING)
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printk ("%d: 0x%8.8x\n", i, leptr);
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}
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/* Setup the Tx ring entries */
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for (i = 0; i < (1 << lp->lance_log_tx_bufs); i++) {
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leptr = LANCE_ADDR(&aib->tx_buf[i][0]);
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ib->btx_ring[i].tmd0 = leptr;
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ib->btx_ring[i].tmd1_hadr = leptr >> 16;
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ib->btx_ring[i].tmd1_bits = 0;
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ib->btx_ring[i].length = 0xf000; /* The ones required by tmd2 */
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ib->btx_ring[i].misc = 0;
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if (DEBUG_IRING)
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printk("%d: 0x%8.8x\n", i, leptr);
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}
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/* Setup the Rx ring entries */
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if (DEBUG_IRING)
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printk ("RX rings:\n");
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for (i = 0; i < (1<<lp->lance_log_rx_bufs); i++) {
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leptr = LANCE_ADDR(&aib->rx_buf[i][0]);
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/* Setup the Rx ring entries */
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if (DEBUG_IRING)
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printk("RX rings:\n");
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for (i = 0; i < (1 << lp->lance_log_rx_bufs); i++) {
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leptr = LANCE_ADDR(&aib->rx_buf[i][0]);
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ib->brx_ring [i].rmd0 = leptr;
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ib->brx_ring [i].rmd1_hadr = leptr >> 16;
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ib->brx_ring [i].rmd1_bits = LE_R1_OWN;
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/* 0xf000 == bits that must be one (reserved, presumably) */
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ib->brx_ring [i].length = -RX_BUFF_SIZE | 0xf000;
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ib->brx_ring [i].mblength = 0;
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if (DEBUG_IRING)
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printk ("%d: 0x%8.8x\n", i, leptr);
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}
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ib->brx_ring[i].rmd0 = leptr;
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ib->brx_ring[i].rmd1_hadr = leptr >> 16;
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ib->brx_ring[i].rmd1_bits = LE_R1_OWN;
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/* 0xf000 == bits that must be one (reserved, presumably) */
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ib->brx_ring[i].length = -RX_BUFF_SIZE | 0xf000;
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ib->brx_ring[i].mblength = 0;
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if (DEBUG_IRING)
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printk("%d: 0x%8.8x\n", i, leptr);
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}
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/* Setup the initialization block */
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/* Setup the initialization block */
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/* Setup rx descriptor pointer */
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leptr = LANCE_ADDR(&aib->brx_ring);
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ib->rx_len = (lp->lance_log_rx_bufs << 13) | (leptr >> 16);
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ib->rx_ptr = leptr;
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if (DEBUG_IRING)
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printk ("RX ptr: %8.8x\n", leptr);
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/* Setup rx descriptor pointer */
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leptr = LANCE_ADDR(&aib->brx_ring);
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ib->rx_len = (lp->lance_log_rx_bufs << 13) | (leptr >> 16);
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ib->rx_ptr = leptr;
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if (DEBUG_IRING)
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printk("RX ptr: %8.8x\n", leptr);
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/* Setup tx descriptor pointer */
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leptr = LANCE_ADDR(&aib->btx_ring);
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ib->tx_len = (lp->lance_log_tx_bufs << 13) | (leptr >> 16);
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ib->tx_ptr = leptr;
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if (DEBUG_IRING)
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printk ("TX ptr: %8.8x\n", leptr);
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/* Setup tx descriptor pointer */
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leptr = LANCE_ADDR(&aib->btx_ring);
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ib->tx_len = (lp->lance_log_tx_bufs << 13) | (leptr >> 16);
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ib->tx_ptr = leptr;
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if (DEBUG_IRING)
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printk("TX ptr: %8.8x\n", leptr);
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/* Clear the multicast filter */
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ib->filter [0] = 0;
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ib->filter [1] = 0;
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PRINT_RINGS();
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/* Clear the multicast filter */
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ib->filter[0] = 0;
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ib->filter[1] = 0;
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PRINT_RINGS();
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}
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/* LANCE must be STOPped before we do this, too... */
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static int init_restart_lance (struct lance_private *lp)
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static int init_restart_lance(struct lance_private *lp)
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{
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int i;
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int i;
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WRITERAP(lp, LE_CSR0);
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WRITERDP(lp, LE_C0_INIT);
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WRITERAP(lp, LE_CSR0);
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WRITERDP(lp, LE_C0_INIT);
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/* Need a hook here for sunlance ledma stuff */
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/* Need a hook here for sunlance ledma stuff */
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/* Wait for the lance to complete initialization */
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for (i = 0; (i < 100) && !(READRDP(lp) & (LE_C0_ERR | LE_C0_IDON)); i++)
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barrier();
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if ((i == 100) || (READRDP(lp) & LE_C0_ERR)) {
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printk ("LANCE unopened after %d ticks, csr0=%4.4x.\n", i, READRDP(lp));
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return -1;
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}
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/* Wait for the lance to complete initialization */
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for (i = 0; (i < 100) && !(READRDP(lp) & (LE_C0_ERR | LE_C0_IDON)); i++)
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barrier();
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if ((i == 100) || (READRDP(lp) & LE_C0_ERR)) {
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printk("LANCE unopened after %d ticks, csr0=%4.4x.\n", i, READRDP(lp));
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return -1;
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}
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/* Clear IDON by writing a "1", enable interrupts and start lance */
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WRITERDP(lp, LE_C0_IDON);
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WRITERDP(lp, LE_C0_INEA | LE_C0_STRT);
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/* Clear IDON by writing a "1", enable interrupts and start lance */
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WRITERDP(lp, LE_C0_IDON);
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WRITERDP(lp, LE_C0_INEA | LE_C0_STRT);
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return 0;
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return 0;
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}
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static int lance_reset (struct net_device *dev)
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static int lance_reset(struct net_device *dev)
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{
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struct lance_private *lp = netdev_priv(dev);
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int status;
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struct lance_private *lp = netdev_priv(dev);
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int status;
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/* Stop the lance */
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WRITERAP(lp, LE_CSR0);
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WRITERDP(lp, LE_C0_STOP);
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/* Stop the lance */
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WRITERAP(lp, LE_CSR0);
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WRITERDP(lp, LE_C0_STOP);
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load_csrs (lp);
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lance_init_ring (dev);
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dev->trans_start = jiffies; /* prevent tx timeout */
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status = init_restart_lance (lp);
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load_csrs(lp);
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lance_init_ring(dev);
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dev->trans_start = jiffies; /* prevent tx timeout */
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status = init_restart_lance(lp);
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#ifdef DEBUG_DRIVER
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printk ("Lance restart=%d\n", status);
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printk("Lance restart=%d\n", status);
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#endif
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return status;
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return status;
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}
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static int lance_rx (struct net_device *dev)
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static int lance_rx(struct net_device *dev)
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{
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struct lance_private *lp = netdev_priv(dev);
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volatile struct lance_init_block *ib = lp->init_block;
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volatile struct lance_rx_desc *rd;
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unsigned char bits;
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struct lance_private *lp = netdev_priv(dev);
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volatile struct lance_init_block *ib = lp->init_block;
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volatile struct lance_rx_desc *rd;
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unsigned char bits;
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#ifdef TEST_HITS
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int i;
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int i;
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#endif
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#ifdef TEST_HITS
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printk ("[");
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for (i = 0; i < RX_RING_SIZE; i++) {
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if (i == lp->rx_new)
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printk ("%s",
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ib->brx_ring [i].rmd1_bits & LE_R1_OWN ? "_" : "X");
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else
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printk ("%s",
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ib->brx_ring [i].rmd1_bits & LE_R1_OWN ? "." : "1");
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}
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printk ("]");
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printk("[");
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for (i = 0; i < RX_RING_SIZE; i++) {
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if (i == lp->rx_new)
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printk("%s",
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ib->brx_ring[i].rmd1_bits & LE_R1_OWN ? "_" : "X");
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else
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printk("%s",
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ib->brx_ring[i].rmd1_bits & LE_R1_OWN ? "." : "1");
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}
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printk("]");
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#endif
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#ifdef CONFIG_HP300
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blinken_leds(0x40, 0);
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#endif
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WRITERDP(lp, LE_C0_RINT | LE_C0_INEA); /* ack Rx int, reenable ints */
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for (rd = &ib->brx_ring [lp->rx_new]; /* For each Rx ring we own... */
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!((bits = rd->rmd1_bits) & LE_R1_OWN);
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rd = &ib->brx_ring [lp->rx_new]) {
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WRITERDP(lp, LE_C0_RINT | LE_C0_INEA); /* ack Rx int, reenable ints */
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for (rd = &ib->brx_ring[lp->rx_new]; /* For each Rx ring we own... */
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!((bits = rd->rmd1_bits) & LE_R1_OWN);
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rd = &ib->brx_ring[lp->rx_new]) {
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/* We got an incomplete frame? */
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if ((bits & LE_R1_POK) != LE_R1_POK) {
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dev->stats.rx_over_errors++;
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dev->stats.rx_errors++;
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continue;
|
||||
} else if (bits & LE_R1_ERR) {
|
||||
/* Count only the end frame as a rx error,
|
||||
* not the beginning
|
||||
*/
|
||||
if (bits & LE_R1_BUF) dev->stats.rx_fifo_errors++;
|
||||
if (bits & LE_R1_CRC) dev->stats.rx_crc_errors++;
|
||||
if (bits & LE_R1_OFL) dev->stats.rx_over_errors++;
|
||||
if (bits & LE_R1_FRA) dev->stats.rx_frame_errors++;
|
||||
if (bits & LE_R1_EOP) dev->stats.rx_errors++;
|
||||
} else {
|
||||
/* We got an incomplete frame? */
|
||||
if ((bits & LE_R1_POK) != LE_R1_POK) {
|
||||
dev->stats.rx_over_errors++;
|
||||
dev->stats.rx_errors++;
|
||||
continue;
|
||||
} else if (bits & LE_R1_ERR) {
|
||||
/* Count only the end frame as a rx error,
|
||||
* not the beginning
|
||||
*/
|
||||
if (bits & LE_R1_BUF)
|
||||
dev->stats.rx_fifo_errors++;
|
||||
if (bits & LE_R1_CRC)
|
||||
dev->stats.rx_crc_errors++;
|
||||
if (bits & LE_R1_OFL)
|
||||
dev->stats.rx_over_errors++;
|
||||
if (bits & LE_R1_FRA)
|
||||
dev->stats.rx_frame_errors++;
|
||||
if (bits & LE_R1_EOP)
|
||||
dev->stats.rx_errors++;
|
||||
} else {
|
||||
int len = (rd->mblength & 0xfff) - 4;
|
||||
struct sk_buff *skb = netdev_alloc_skb(dev, len + 2);
|
||||
|
||||
if (!skb) {
|
||||
dev->stats.rx_dropped++;
|
||||
rd->mblength = 0;
|
||||
rd->rmd1_bits = LE_R1_OWN;
|
||||
lp->rx_new = (lp->rx_new + 1) & lp->rx_ring_mod_mask;
|
||||
return 0;
|
||||
}
|
||||
if (!skb) {
|
||||
dev->stats.rx_dropped++;
|
||||
rd->mblength = 0;
|
||||
rd->rmd1_bits = LE_R1_OWN;
|
||||
lp->rx_new = (lp->rx_new + 1) & lp->rx_ring_mod_mask;
|
||||
return 0;
|
||||
}
|
||||
|
||||
skb_reserve (skb, 2); /* 16 byte align */
|
||||
skb_put (skb, len); /* make room */
|
||||
skb_copy_to_linear_data(skb,
|
||||
(unsigned char *)&(ib->rx_buf [lp->rx_new][0]),
|
||||
len);
|
||||
skb->protocol = eth_type_trans (skb, dev);
|
||||
netif_rx (skb);
|
||||
skb_reserve(skb, 2); /* 16 byte align */
|
||||
skb_put(skb, len); /* make room */
|
||||
skb_copy_to_linear_data(skb,
|
||||
(unsigned char *)&(ib->rx_buf[lp->rx_new][0]),
|
||||
len);
|
||||
skb->protocol = eth_type_trans(skb, dev);
|
||||
netif_rx(skb);
|
||||
dev->stats.rx_packets++;
|
||||
dev->stats.rx_bytes += len;
|
||||
}
|
||||
}
|
||||
|
||||
/* Return the packet to the pool */
|
||||
rd->mblength = 0;
|
||||
rd->rmd1_bits = LE_R1_OWN;
|
||||
lp->rx_new = (lp->rx_new + 1) & lp->rx_ring_mod_mask;
|
||||
}
|
||||
return 0;
|
||||
/* Return the packet to the pool */
|
||||
rd->mblength = 0;
|
||||
rd->rmd1_bits = LE_R1_OWN;
|
||||
lp->rx_new = (lp->rx_new + 1) & lp->rx_ring_mod_mask;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int lance_tx (struct net_device *dev)
|
||||
static int lance_tx(struct net_device *dev)
|
||||
{
|
||||
struct lance_private *lp = netdev_priv(dev);
|
||||
volatile struct lance_init_block *ib = lp->init_block;
|
||||
volatile struct lance_tx_desc *td;
|
||||
int i, j;
|
||||
int status;
|
||||
struct lance_private *lp = netdev_priv(dev);
|
||||
volatile struct lance_init_block *ib = lp->init_block;
|
||||
volatile struct lance_tx_desc *td;
|
||||
int i, j;
|
||||
int status;
|
||||
|
||||
#ifdef CONFIG_HP300
|
||||
blinken_leds(0x80, 0);
|
||||
#endif
|
||||
/* csr0 is 2f3 */
|
||||
WRITERDP(lp, LE_C0_TINT | LE_C0_INEA);
|
||||
/* csr0 is 73 */
|
||||
/* csr0 is 2f3 */
|
||||
WRITERDP(lp, LE_C0_TINT | LE_C0_INEA);
|
||||
/* csr0 is 73 */
|
||||
|
||||
j = lp->tx_old;
|
||||
for (i = j; i != lp->tx_new; i = j) {
|
||||
td = &ib->btx_ring [i];
|
||||
j = lp->tx_old;
|
||||
for (i = j; i != lp->tx_new; i = j) {
|
||||
td = &ib->btx_ring[i];
|
||||
|
||||
/* If we hit a packet not owned by us, stop */
|
||||
if (td->tmd1_bits & LE_T1_OWN)
|
||||
break;
|
||||
/* If we hit a packet not owned by us, stop */
|
||||
if (td->tmd1_bits & LE_T1_OWN)
|
||||
break;
|
||||
|
||||
if (td->tmd1_bits & LE_T1_ERR) {
|
||||
status = td->misc;
|
||||
if (td->tmd1_bits & LE_T1_ERR) {
|
||||
status = td->misc;
|
||||
|
||||
dev->stats.tx_errors++;
|
||||
if (status & LE_T3_RTY) dev->stats.tx_aborted_errors++;
|
||||
if (status & LE_T3_LCOL) dev->stats.tx_window_errors++;
|
||||
dev->stats.tx_errors++;
|
||||
if (status & LE_T3_RTY)
|
||||
dev->stats.tx_aborted_errors++;
|
||||
if (status & LE_T3_LCOL)
|
||||
dev->stats.tx_window_errors++;
|
||||
|
||||
if (status & LE_T3_CLOS) {
|
||||
dev->stats.tx_carrier_errors++;
|
||||
if (lp->auto_select) {
|
||||
lp->tpe = 1 - lp->tpe;
|
||||
printk("%s: Carrier Lost, trying %s\n",
|
||||
dev->name, lp->tpe?"TPE":"AUI");
|
||||
/* Stop the lance */
|
||||
WRITERAP(lp, LE_CSR0);
|
||||
WRITERDP(lp, LE_C0_STOP);
|
||||
lance_init_ring (dev);
|
||||
load_csrs (lp);
|
||||
init_restart_lance (lp);
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
if (status & LE_T3_CLOS) {
|
||||
dev->stats.tx_carrier_errors++;
|
||||
if (lp->auto_select) {
|
||||
lp->tpe = 1 - lp->tpe;
|
||||
printk("%s: Carrier Lost, trying %s\n",
|
||||
dev->name,
|
||||
lp->tpe ? "TPE" : "AUI");
|
||||
/* Stop the lance */
|
||||
WRITERAP(lp, LE_CSR0);
|
||||
WRITERDP(lp, LE_C0_STOP);
|
||||
lance_init_ring(dev);
|
||||
load_csrs(lp);
|
||||
init_restart_lance(lp);
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
/* buffer errors and underflows turn off the transmitter */
|
||||
/* Restart the adapter */
|
||||
if (status & (LE_T3_BUF|LE_T3_UFL)) {
|
||||
dev->stats.tx_fifo_errors++;
|
||||
/* buffer errors and underflows turn off the transmitter */
|
||||
/* Restart the adapter */
|
||||
if (status & (LE_T3_BUF|LE_T3_UFL)) {
|
||||
dev->stats.tx_fifo_errors++;
|
||||
|
||||
printk ("%s: Tx: ERR_BUF|ERR_UFL, restarting\n",
|
||||
dev->name);
|
||||
/* Stop the lance */
|
||||
WRITERAP(lp, LE_CSR0);
|
||||
WRITERDP(lp, LE_C0_STOP);
|
||||
lance_init_ring (dev);
|
||||
load_csrs (lp);
|
||||
init_restart_lance (lp);
|
||||
return 0;
|
||||
}
|
||||
} else if ((td->tmd1_bits & LE_T1_POK) == LE_T1_POK) {
|
||||
/*
|
||||
* So we don't count the packet more than once.
|
||||
*/
|
||||
td->tmd1_bits &= ~(LE_T1_POK);
|
||||
printk("%s: Tx: ERR_BUF|ERR_UFL, restarting\n",
|
||||
dev->name);
|
||||
/* Stop the lance */
|
||||
WRITERAP(lp, LE_CSR0);
|
||||
WRITERDP(lp, LE_C0_STOP);
|
||||
lance_init_ring(dev);
|
||||
load_csrs(lp);
|
||||
init_restart_lance(lp);
|
||||
return 0;
|
||||
}
|
||||
} else if ((td->tmd1_bits & LE_T1_POK) == LE_T1_POK) {
|
||||
/*
|
||||
* So we don't count the packet more than once.
|
||||
*/
|
||||
td->tmd1_bits &= ~(LE_T1_POK);
|
||||
|
||||
/* One collision before packet was sent. */
|
||||
if (td->tmd1_bits & LE_T1_EONE)
|
||||
dev->stats.collisions++;
|
||||
/* One collision before packet was sent. */
|
||||
if (td->tmd1_bits & LE_T1_EONE)
|
||||
dev->stats.collisions++;
|
||||
|
||||
/* More than one collision, be optimistic. */
|
||||
if (td->tmd1_bits & LE_T1_EMORE)
|
||||
dev->stats.collisions += 2;
|
||||
/* More than one collision, be optimistic. */
|
||||
if (td->tmd1_bits & LE_T1_EMORE)
|
||||
dev->stats.collisions += 2;
|
||||
|
||||
dev->stats.tx_packets++;
|
||||
}
|
||||
dev->stats.tx_packets++;
|
||||
}
|
||||
|
||||
j = (j + 1) & lp->tx_ring_mod_mask;
|
||||
}
|
||||
lp->tx_old = j;
|
||||
WRITERDP(lp, LE_C0_TINT | LE_C0_INEA);
|
||||
return 0;
|
||||
j = (j + 1) & lp->tx_ring_mod_mask;
|
||||
}
|
||||
lp->tx_old = j;
|
||||
WRITERDP(lp, LE_C0_TINT | LE_C0_INEA);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static irqreturn_t
|
||||
lance_interrupt (int irq, void *dev_id)
|
||||
lance_interrupt(int irq, void *dev_id)
|
||||
{
|
||||
struct net_device *dev = (struct net_device *)dev_id;
|
||||
struct lance_private *lp = netdev_priv(dev);
|
||||
int csr0;
|
||||
struct net_device *dev = (struct net_device *)dev_id;
|
||||
struct lance_private *lp = netdev_priv(dev);
|
||||
int csr0;
|
||||
|
||||
spin_lock (&lp->devlock);
|
||||
spin_lock(&lp->devlock);
|
||||
|
||||
WRITERAP(lp, LE_CSR0); /* LANCE Controller Status */
|
||||
csr0 = READRDP(lp);
|
||||
WRITERAP(lp, LE_CSR0); /* LANCE Controller Status */
|
||||
csr0 = READRDP(lp);
|
||||
|
||||
PRINT_RINGS();
|
||||
PRINT_RINGS();
|
||||
|
||||
if (!(csr0 & LE_C0_INTR)) { /* Check if any interrupt has */
|
||||
spin_unlock (&lp->devlock);
|
||||
return IRQ_NONE; /* been generated by the Lance. */
|
||||
if (!(csr0 & LE_C0_INTR)) { /* Check if any interrupt has */
|
||||
spin_unlock(&lp->devlock);
|
||||
return IRQ_NONE; /* been generated by the Lance. */
|
||||
}
|
||||
|
||||
/* Acknowledge all the interrupt sources ASAP */
|
||||
WRITERDP(lp, csr0 & ~(LE_C0_INEA|LE_C0_TDMD|LE_C0_STOP|LE_C0_STRT|LE_C0_INIT));
|
||||
/* Acknowledge all the interrupt sources ASAP */
|
||||
WRITERDP(lp, csr0 & ~(LE_C0_INEA|LE_C0_TDMD|LE_C0_STOP|LE_C0_STRT|LE_C0_INIT));
|
||||
|
||||
if ((csr0 & LE_C0_ERR)) {
|
||||
/* Clear the error condition */
|
||||
WRITERDP(lp, LE_C0_BABL|LE_C0_ERR|LE_C0_MISS|LE_C0_INEA);
|
||||
}
|
||||
if ((csr0 & LE_C0_ERR)) {
|
||||
/* Clear the error condition */
|
||||
WRITERDP(lp, LE_C0_BABL|LE_C0_ERR|LE_C0_MISS|LE_C0_INEA);
|
||||
}
|
||||
|
||||
if (csr0 & LE_C0_RINT)
|
||||
lance_rx (dev);
|
||||
if (csr0 & LE_C0_RINT)
|
||||
lance_rx(dev);
|
||||
|
||||
if (csr0 & LE_C0_TINT)
|
||||
lance_tx (dev);
|
||||
if (csr0 & LE_C0_TINT)
|
||||
lance_tx(dev);
|
||||
|
||||
/* Log misc errors. */
|
||||
if (csr0 & LE_C0_BABL)
|
||||
dev->stats.tx_errors++; /* Tx babble. */
|
||||
if (csr0 & LE_C0_MISS)
|
||||
dev->stats.rx_errors++; /* Missed a Rx frame. */
|
||||
if (csr0 & LE_C0_MERR) {
|
||||
printk("%s: Bus master arbitration failure, status %4.4x.\n",
|
||||
dev->name, csr0);
|
||||
/* Restart the chip. */
|
||||
WRITERDP(lp, LE_C0_STRT);
|
||||
}
|
||||
/* Log misc errors. */
|
||||
if (csr0 & LE_C0_BABL)
|
||||
dev->stats.tx_errors++; /* Tx babble. */
|
||||
if (csr0 & LE_C0_MISS)
|
||||
dev->stats.rx_errors++; /* Missed a Rx frame. */
|
||||
if (csr0 & LE_C0_MERR) {
|
||||
printk("%s: Bus master arbitration failure, status %4.4x.\n",
|
||||
dev->name, csr0);
|
||||
/* Restart the chip. */
|
||||
WRITERDP(lp, LE_C0_STRT);
|
||||
}
|
||||
|
||||
if (lp->tx_full && netif_queue_stopped(dev) && (TX_BUFFS_AVAIL >= 0)) {
|
||||
if (lp->tx_full && netif_queue_stopped(dev) && (TX_BUFFS_AVAIL >= 0)) {
|
||||
lp->tx_full = 0;
|
||||
netif_wake_queue (dev);
|
||||
}
|
||||
netif_wake_queue(dev);
|
||||
}
|
||||
|
||||
WRITERAP(lp, LE_CSR0);
|
||||
WRITERDP(lp, LE_C0_BABL|LE_C0_CERR|LE_C0_MISS|LE_C0_MERR|LE_C0_IDON|LE_C0_INEA);
|
||||
WRITERAP(lp, LE_CSR0);
|
||||
WRITERDP(lp, LE_C0_BABL|LE_C0_CERR|LE_C0_MISS|LE_C0_MERR|LE_C0_IDON|LE_C0_INEA);
|
||||
|
||||
spin_unlock (&lp->devlock);
|
||||
spin_unlock(&lp->devlock);
|
||||
return IRQ_HANDLED;
|
||||
}
|
||||
|
||||
int lance_open (struct net_device *dev)
|
||||
int lance_open(struct net_device *dev)
|
||||
{
|
||||
struct lance_private *lp = netdev_priv(dev);
|
||||
struct lance_private *lp = netdev_priv(dev);
|
||||
int res;
|
||||
|
||||
/* Install the Interrupt handler. Or we could shunt this out to specific drivers? */
|
||||
if (request_irq(lp->irq, lance_interrupt, IRQF_SHARED, lp->name, dev))
|
||||
return -EAGAIN;
|
||||
/* Install the Interrupt handler. Or we could shunt this out to specific drivers? */
|
||||
if (request_irq(lp->irq, lance_interrupt, IRQF_SHARED, lp->name, dev))
|
||||
return -EAGAIN;
|
||||
|
||||
res = lance_reset(dev);
|
||||
res = lance_reset(dev);
|
||||
spin_lock_init(&lp->devlock);
|
||||
netif_start_queue (dev);
|
||||
netif_start_queue(dev);
|
||||
|
||||
return res;
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(lance_open);
|
||||
|
||||
int lance_close (struct net_device *dev)
|
||||
int lance_close(struct net_device *dev)
|
||||
{
|
||||
struct lance_private *lp = netdev_priv(dev);
|
||||
struct lance_private *lp = netdev_priv(dev);
|
||||
|
||||
netif_stop_queue (dev);
|
||||
netif_stop_queue(dev);
|
||||
|
||||
/* Stop the LANCE */
|
||||
WRITERAP(lp, LE_CSR0);
|
||||
WRITERDP(lp, LE_C0_STOP);
|
||||
/* Stop the LANCE */
|
||||
WRITERAP(lp, LE_CSR0);
|
||||
WRITERDP(lp, LE_C0_STOP);
|
||||
|
||||
free_irq(lp->irq, dev);
|
||||
free_irq(lp->irq, dev);
|
||||
|
||||
return 0;
|
||||
return 0;
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(lance_close);
|
||||
|
||||
|
@ -524,122 +532,122 @@ void lance_tx_timeout(struct net_device *dev)
|
|||
printk("lance_tx_timeout\n");
|
||||
lance_reset(dev);
|
||||
dev->trans_start = jiffies; /* prevent tx timeout */
|
||||
netif_wake_queue (dev);
|
||||
netif_wake_queue(dev);
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(lance_tx_timeout);
|
||||
|
||||
int lance_start_xmit (struct sk_buff *skb, struct net_device *dev)
|
||||
int lance_start_xmit(struct sk_buff *skb, struct net_device *dev)
|
||||
{
|
||||
struct lance_private *lp = netdev_priv(dev);
|
||||
volatile struct lance_init_block *ib = lp->init_block;
|
||||
int entry, skblen, len;
|
||||
static int outs;
|
||||
struct lance_private *lp = netdev_priv(dev);
|
||||
volatile struct lance_init_block *ib = lp->init_block;
|
||||
int entry, skblen, len;
|
||||
static int outs;
|
||||
unsigned long flags;
|
||||
|
||||
if (!TX_BUFFS_AVAIL)
|
||||
return NETDEV_TX_LOCKED;
|
||||
if (!TX_BUFFS_AVAIL)
|
||||
return NETDEV_TX_LOCKED;
|
||||
|
||||
netif_stop_queue (dev);
|
||||
netif_stop_queue(dev);
|
||||
|
||||
skblen = skb->len;
|
||||
skblen = skb->len;
|
||||
|
||||
#ifdef DEBUG_DRIVER
|
||||
/* dump the packet */
|
||||
{
|
||||
int i;
|
||||
/* dump the packet */
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < 64; i++) {
|
||||
if ((i % 16) == 0)
|
||||
printk ("\n");
|
||||
printk ("%2.2x ", skb->data [i]);
|
||||
}
|
||||
}
|
||||
for (i = 0; i < 64; i++) {
|
||||
if ((i % 16) == 0)
|
||||
printk("\n");
|
||||
printk("%2.2x ", skb->data[i]);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
len = (skblen <= ETH_ZLEN) ? ETH_ZLEN : skblen;
|
||||
entry = lp->tx_new & lp->tx_ring_mod_mask;
|
||||
ib->btx_ring [entry].length = (-len) | 0xf000;
|
||||
ib->btx_ring [entry].misc = 0;
|
||||
len = (skblen <= ETH_ZLEN) ? ETH_ZLEN : skblen;
|
||||
entry = lp->tx_new & lp->tx_ring_mod_mask;
|
||||
ib->btx_ring[entry].length = (-len) | 0xf000;
|
||||
ib->btx_ring[entry].misc = 0;
|
||||
|
||||
if (skb->len < ETH_ZLEN)
|
||||
memset((void *)&ib->tx_buf[entry][0], 0, ETH_ZLEN);
|
||||
skb_copy_from_linear_data(skb, (void *)&ib->tx_buf[entry][0], skblen);
|
||||
skb_copy_from_linear_data(skb, (void *)&ib->tx_buf[entry][0], skblen);
|
||||
|
||||
/* 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) & lp->tx_ring_mod_mask;
|
||||
/* 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) & lp->tx_ring_mod_mask;
|
||||
|
||||
outs++;
|
||||
/* Kick the lance: transmit now */
|
||||
WRITERDP(lp, LE_C0_INEA | LE_C0_TDMD);
|
||||
dev_kfree_skb (skb);
|
||||
outs++;
|
||||
/* Kick the lance: transmit now */
|
||||
WRITERDP(lp, LE_C0_INEA | LE_C0_TDMD);
|
||||
dev_kfree_skb(skb);
|
||||
|
||||
spin_lock_irqsave (&lp->devlock, flags);
|
||||
if (TX_BUFFS_AVAIL)
|
||||
netif_start_queue (dev);
|
||||
spin_lock_irqsave(&lp->devlock, flags);
|
||||
if (TX_BUFFS_AVAIL)
|
||||
netif_start_queue(dev);
|
||||
else
|
||||
lp->tx_full = 1;
|
||||
spin_unlock_irqrestore (&lp->devlock, flags);
|
||||
spin_unlock_irqrestore(&lp->devlock, flags);
|
||||
|
||||
return NETDEV_TX_OK;
|
||||
return NETDEV_TX_OK;
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(lance_start_xmit);
|
||||
|
||||
/* taken from the depca driver via a2065.c */
|
||||
static void lance_load_multicast (struct net_device *dev)
|
||||
static void lance_load_multicast(struct net_device *dev)
|
||||
{
|
||||
struct lance_private *lp = netdev_priv(dev);
|
||||
volatile struct lance_init_block *ib = lp->init_block;
|
||||
volatile u16 *mcast_table = (u16 *)&ib->filter;
|
||||
struct lance_private *lp = netdev_priv(dev);
|
||||
volatile struct lance_init_block *ib = lp->init_block;
|
||||
volatile u16 *mcast_table = (u16 *)&ib->filter;
|
||||
struct netdev_hw_addr *ha;
|
||||
u32 crc;
|
||||
u32 crc;
|
||||
|
||||
/* set all multicast bits */
|
||||
if (dev->flags & IFF_ALLMULTI){
|
||||
ib->filter [0] = 0xffffffff;
|
||||
ib->filter [1] = 0xffffffff;
|
||||
return;
|
||||
}
|
||||
/* clear the multicast filter */
|
||||
ib->filter [0] = 0;
|
||||
ib->filter [1] = 0;
|
||||
/* set all multicast bits */
|
||||
if (dev->flags & IFF_ALLMULTI) {
|
||||
ib->filter[0] = 0xffffffff;
|
||||
ib->filter[1] = 0xffffffff;
|
||||
return;
|
||||
}
|
||||
/* clear the multicast filter */
|
||||
ib->filter[0] = 0;
|
||||
ib->filter[1] = 0;
|
||||
|
||||
/* Add addresses */
|
||||
/* Add addresses */
|
||||
netdev_for_each_mc_addr(ha, dev) {
|
||||
crc = ether_crc_le(6, ha->addr);
|
||||
crc = crc >> 26;
|
||||
mcast_table [crc >> 4] |= 1 << (crc & 0xf);
|
||||
}
|
||||
crc = crc >> 26;
|
||||
mcast_table[crc >> 4] |= 1 << (crc & 0xf);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void lance_set_multicast (struct net_device *dev)
|
||||
void lance_set_multicast(struct net_device *dev)
|
||||
{
|
||||
struct lance_private *lp = netdev_priv(dev);
|
||||
volatile struct lance_init_block *ib = lp->init_block;
|
||||
struct lance_private *lp = netdev_priv(dev);
|
||||
volatile struct lance_init_block *ib = lp->init_block;
|
||||
int stopped;
|
||||
|
||||
stopped = netif_queue_stopped(dev);
|
||||
if (!stopped)
|
||||
netif_stop_queue (dev);
|
||||
netif_stop_queue(dev);
|
||||
|
||||
while (lp->tx_old != lp->tx_new)
|
||||
schedule();
|
||||
while (lp->tx_old != lp->tx_new)
|
||||
schedule();
|
||||
|
||||
WRITERAP(lp, LE_CSR0);
|
||||
WRITERDP(lp, LE_C0_STOP);
|
||||
lance_init_ring (dev);
|
||||
WRITERAP(lp, LE_CSR0);
|
||||
WRITERDP(lp, LE_C0_STOP);
|
||||
lance_init_ring(dev);
|
||||
|
||||
if (dev->flags & IFF_PROMISC) {
|
||||
ib->mode |= LE_MO_PROM;
|
||||
} else {
|
||||
ib->mode &= ~LE_MO_PROM;
|
||||
lance_load_multicast (dev);
|
||||
}
|
||||
load_csrs (lp);
|
||||
init_restart_lance (lp);
|
||||
if (dev->flags & IFF_PROMISC) {
|
||||
ib->mode |= LE_MO_PROM;
|
||||
} else {
|
||||
ib->mode &= ~LE_MO_PROM;
|
||||
lance_load_multicast(dev);
|
||||
}
|
||||
load_csrs(lp);
|
||||
init_restart_lance(lp);
|
||||
|
||||
if (!stopped)
|
||||
netif_start_queue (dev);
|
||||
netif_start_queue(dev);
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(lance_set_multicast);
|
||||
|
||||
|
@ -648,10 +656,10 @@ void lance_poll(struct net_device *dev)
|
|||
{
|
||||
struct lance_private *lp = netdev_priv(dev);
|
||||
|
||||
spin_lock (&lp->devlock);
|
||||
spin_lock(&lp->devlock);
|
||||
WRITERAP(lp, LE_CSR0);
|
||||
WRITERDP(lp, LE_C0_STRT);
|
||||
spin_unlock (&lp->devlock);
|
||||
spin_unlock(&lp->devlock);
|
||||
lance_interrupt(dev->irq, dev);
|
||||
}
|
||||
#endif
|
||||
|
|
|
@ -35,33 +35,32 @@
|
|||
#define LANCE_LOG_RX_BUFFERS 3
|
||||
#endif
|
||||
|
||||
#define TX_RING_SIZE (1<<LANCE_LOG_TX_BUFFERS)
|
||||
#define RX_RING_SIZE (1<<LANCE_LOG_RX_BUFFERS)
|
||||
#define TX_RING_MOD_MASK (TX_RING_SIZE - 1)
|
||||
#define RX_RING_MOD_MASK (RX_RING_SIZE - 1)
|
||||
#define TX_RING_LEN_BITS ((LANCE_LOG_TX_BUFFERS) << 29)
|
||||
#define RX_RING_LEN_BITS ((LANCE_LOG_RX_BUFFERS) << 29)
|
||||
#define PKT_BUFF_SIZE (1544)
|
||||
#define RX_BUFF_SIZE PKT_BUFF_SIZE
|
||||
#define TX_BUFF_SIZE PKT_BUFF_SIZE
|
||||
#define TX_RING_SIZE (1 << LANCE_LOG_TX_BUFFERS)
|
||||
#define RX_RING_SIZE (1 << LANCE_LOG_RX_BUFFERS)
|
||||
#define TX_RING_MOD_MASK (TX_RING_SIZE - 1)
|
||||
#define RX_RING_MOD_MASK (RX_RING_SIZE - 1)
|
||||
#define TX_RING_LEN_BITS ((LANCE_LOG_TX_BUFFERS) << 29)
|
||||
#define RX_RING_LEN_BITS ((LANCE_LOG_RX_BUFFERS) << 29)
|
||||
#define PKT_BUFF_SIZE (1544)
|
||||
#define RX_BUFF_SIZE PKT_BUFF_SIZE
|
||||
#define TX_BUFF_SIZE PKT_BUFF_SIZE
|
||||
|
||||
/* Each receive buffer is described by a receive message descriptor (RMD) */
|
||||
struct lance_rx_desc {
|
||||
volatile unsigned short rmd0; /* low address of packet */
|
||||
volatile unsigned char rmd1_bits; /* descriptor bits */
|
||||
volatile unsigned char rmd1_hadr; /* high address of packet */
|
||||
volatile short length; /* This length is 2s complement (negative)!
|
||||
* Buffer length
|
||||
*/
|
||||
volatile unsigned short mblength; /* Actual number of bytes received */
|
||||
volatile unsigned short rmd0; /* low address of packet */
|
||||
volatile unsigned char rmd1_bits; /* descriptor bits */
|
||||
volatile unsigned char rmd1_hadr; /* high address of packet */
|
||||
volatile short length; /* This length is 2s complement (negative)!
|
||||
* Buffer length */
|
||||
volatile unsigned short mblength; /* Actual number of bytes received */
|
||||
};
|
||||
|
||||
/* Ditto for TMD: */
|
||||
struct lance_tx_desc {
|
||||
volatile unsigned short tmd0; /* low address of packet */
|
||||
volatile unsigned char tmd1_bits; /* descriptor bits */
|
||||
volatile unsigned char tmd1_hadr; /* high address of packet */
|
||||
volatile short length; /* Length is 2s complement (negative)! */
|
||||
volatile unsigned short tmd0; /* low address of packet */
|
||||
volatile unsigned char tmd1_bits; /* descriptor bits */
|
||||
volatile unsigned char tmd1_hadr; /* high address of packet */
|
||||
volatile short length; /* Length is 2s complement (negative)! */
|
||||
volatile unsigned short misc;
|
||||
};
|
||||
|
||||
|
@ -71,181 +70,178 @@ struct lance_tx_desc {
|
|||
* init block,the Tx and Rx rings and the buffers together in memory:
|
||||
*/
|
||||
struct lance_init_block {
|
||||
volatile unsigned short mode; /* Pre-set mode (reg. 15) */
|
||||
volatile unsigned char phys_addr[6]; /* Physical ethernet address */
|
||||
volatile unsigned filter[2]; /* Multicast filter (64 bits) */
|
||||
volatile unsigned short mode; /* Pre-set mode (reg. 15) */
|
||||
volatile unsigned char phys_addr[6]; /* Physical ethernet address */
|
||||
volatile unsigned filter[2]; /* Multicast filter (64 bits) */
|
||||
|
||||
/* Receive and transmit ring base, along with extra bits. */
|
||||
volatile unsigned short rx_ptr; /* receive descriptor addr */
|
||||
volatile unsigned short rx_len; /* receive len and high addr */
|
||||
volatile unsigned short tx_ptr; /* transmit descriptor addr */
|
||||
volatile unsigned short tx_len; /* transmit len and high addr */
|
||||
/* Receive and transmit ring base, along with extra bits. */
|
||||
volatile unsigned short rx_ptr; /* receive descriptor addr */
|
||||
volatile unsigned short rx_len; /* receive len and high addr */
|
||||
volatile unsigned short tx_ptr; /* transmit descriptor addr */
|
||||
volatile unsigned short tx_len; /* transmit len and high addr */
|
||||
|
||||
/* The Tx and Rx ring entries must be aligned on 8-byte boundaries.
|
||||
* This will be true if this whole struct is 8-byte aligned.
|
||||
*/
|
||||
volatile struct lance_tx_desc btx_ring[TX_RING_SIZE];
|
||||
volatile struct lance_rx_desc brx_ring[RX_RING_SIZE];
|
||||
/* The Tx and Rx ring entries must be aligned on 8-byte boundaries.
|
||||
* This will be true if this whole struct is 8-byte aligned.
|
||||
*/
|
||||
volatile struct lance_tx_desc btx_ring[TX_RING_SIZE];
|
||||
volatile struct lance_rx_desc brx_ring[RX_RING_SIZE];
|
||||
|
||||
volatile char tx_buf [TX_RING_SIZE][TX_BUFF_SIZE];
|
||||
volatile char rx_buf [RX_RING_SIZE][RX_BUFF_SIZE];
|
||||
/* we use this just to make the struct big enough that we can move its startaddr
|
||||
* in order to force alignment to an eight byte boundary.
|
||||
*/
|
||||
volatile char tx_buf[TX_RING_SIZE][TX_BUFF_SIZE];
|
||||
volatile char rx_buf[RX_RING_SIZE][RX_BUFF_SIZE];
|
||||
/* we use this just to make the struct big enough that we can move its startaddr
|
||||
* in order to force alignment to an eight byte boundary.
|
||||
*/
|
||||
};
|
||||
|
||||
/* This is where we keep all the stuff the driver needs to know about.
|
||||
* I'm definitely unhappy about the mechanism for allowing specific
|
||||
* drivers to add things...
|
||||
*/
|
||||
struct lance_private
|
||||
{
|
||||
char *name;
|
||||
struct lance_private {
|
||||
char *name;
|
||||
unsigned long base;
|
||||
volatile struct lance_init_block *init_block; /* CPU address of RAM */
|
||||
volatile struct lance_init_block *lance_init_block; /* LANCE address of RAM */
|
||||
volatile struct lance_init_block *init_block; /* CPU address of RAM */
|
||||
volatile struct lance_init_block *lance_init_block; /* LANCE address of RAM */
|
||||
|
||||
int rx_new, tx_new;
|
||||
int rx_old, tx_old;
|
||||
int rx_new, tx_new;
|
||||
int rx_old, tx_old;
|
||||
|
||||
int lance_log_rx_bufs, lance_log_tx_bufs;
|
||||
int rx_ring_mod_mask, tx_ring_mod_mask;
|
||||
int lance_log_rx_bufs, lance_log_tx_bufs;
|
||||
int rx_ring_mod_mask, tx_ring_mod_mask;
|
||||
|
||||
int tpe; /* TPE is selected */
|
||||
int auto_select; /* cable-selection is by carrier */
|
||||
unsigned short busmaster_regval;
|
||||
int tpe; /* TPE is selected */
|
||||
int auto_select; /* cable-selection is by carrier */
|
||||
unsigned short busmaster_regval;
|
||||
|
||||
unsigned int irq; /* IRQ to register */
|
||||
unsigned int irq; /* IRQ to register */
|
||||
|
||||
/* This is because the HP LANCE is disgusting and you have to check
|
||||
* a DIO-specific register every time you read/write the LANCE regs :-<
|
||||
* [could we get away with making these some sort of macro?]
|
||||
*/
|
||||
void (*writerap)(void *, unsigned short);
|
||||
void (*writerdp)(void *, unsigned short);
|
||||
unsigned short (*readrdp)(void *);
|
||||
/* This is because the HP LANCE is disgusting and you have to check
|
||||
* a DIO-specific register every time you read/write the LANCE regs :-<
|
||||
* [could we get away with making these some sort of macro?]
|
||||
*/
|
||||
void (*writerap)(void *, unsigned short);
|
||||
void (*writerdp)(void *, unsigned short);
|
||||
unsigned short (*readrdp)(void *);
|
||||
spinlock_t devlock;
|
||||
char tx_full;
|
||||
};
|
||||
|
||||
/*
|
||||
* Am7990 Control and Status Registers
|
||||
* Am7990 Control and Status Registers
|
||||
*/
|
||||
#define LE_CSR0 0x0000 /* LANCE Controller Status */
|
||||
#define LE_CSR1 0x0001 /* IADR[15:0] (bit0==0 ie word aligned) */
|
||||
#define LE_CSR2 0x0002 /* IADR[23:16] (high bits reserved) */
|
||||
#define LE_CSR3 0x0003 /* Misc */
|
||||
#define LE_CSR0 0x0000 /* LANCE Controller Status */
|
||||
#define LE_CSR1 0x0001 /* IADR[15:0] (bit0==0 ie word aligned) */
|
||||
#define LE_CSR2 0x0002 /* IADR[23:16] (high bits reserved) */
|
||||
#define LE_CSR3 0x0003 /* Misc */
|
||||
|
||||
/*
|
||||
* Bit definitions for CSR0 (LANCE Controller Status)
|
||||
*/
|
||||
#define LE_C0_ERR 0x8000 /* Error = BABL | CERR | MISS | MERR */
|
||||
#define LE_C0_BABL 0x4000 /* Babble: Transmitted too many bits */
|
||||
#define LE_C0_CERR 0x2000 /* No Heartbeat (10BASE-T) */
|
||||
#define LE_C0_MISS 0x1000 /* Missed Frame (no rx buffer to put it in) */
|
||||
#define LE_C0_MERR 0x0800 /* Memory Error */
|
||||
#define LE_C0_RINT 0x0400 /* Receive Interrupt */
|
||||
#define LE_C0_TINT 0x0200 /* Transmit Interrupt */
|
||||
#define LE_C0_IDON 0x0100 /* Initialization Done */
|
||||
#define LE_C0_INTR 0x0080 /* Interrupt Flag
|
||||
= BABL | MISS | MERR | RINT | TINT | IDON */
|
||||
#define LE_C0_INEA 0x0040 /* Interrupt Enable */
|
||||
#define LE_C0_RXON 0x0020 /* Receive On */
|
||||
#define LE_C0_TXON 0x0010 /* Transmit On */
|
||||
#define LE_C0_TDMD 0x0008 /* Transmit Demand */
|
||||
#define LE_C0_STOP 0x0004 /* Stop */
|
||||
#define LE_C0_STRT 0x0002 /* Start */
|
||||
#define LE_C0_INIT 0x0001 /* Initialize */
|
||||
#define LE_C0_ERR 0x8000 /* Error = BABL | CERR | MISS | MERR */
|
||||
#define LE_C0_BABL 0x4000 /* Babble: Transmitted too many bits */
|
||||
#define LE_C0_CERR 0x2000 /* No Heartbeat (10BASE-T) */
|
||||
#define LE_C0_MISS 0x1000 /* Missed Frame (no rx buffer to put it in) */
|
||||
#define LE_C0_MERR 0x0800 /* Memory Error */
|
||||
#define LE_C0_RINT 0x0400 /* Receive Interrupt */
|
||||
#define LE_C0_TINT 0x0200 /* Transmit Interrupt */
|
||||
#define LE_C0_IDON 0x0100 /* Initialization Done */
|
||||
#define LE_C0_INTR 0x0080 /* Interrupt Flag
|
||||
= BABL | MISS | MERR | RINT | TINT | IDON */
|
||||
#define LE_C0_INEA 0x0040 /* Interrupt Enable */
|
||||
#define LE_C0_RXON 0x0020 /* Receive On */
|
||||
#define LE_C0_TXON 0x0010 /* Transmit On */
|
||||
#define LE_C0_TDMD 0x0008 /* Transmit Demand */
|
||||
#define LE_C0_STOP 0x0004 /* Stop */
|
||||
#define LE_C0_STRT 0x0002 /* Start */
|
||||
#define LE_C0_INIT 0x0001 /* Initialize */
|
||||
|
||||
|
||||
/*
|
||||
* Bit definitions for CSR3
|
||||
*/
|
||||
#define LE_C3_BSWP 0x0004 /* Byte Swap
|
||||
(on for big endian byte order) */
|
||||
#define LE_C3_ACON 0x0002 /* ALE Control
|
||||
(on for active low ALE) */
|
||||
#define LE_C3_BCON 0x0001 /* Byte Control */
|
||||
#define LE_C3_BSWP 0x0004 /* Byte Swap (on for big endian byte order) */
|
||||
#define LE_C3_ACON 0x0002 /* ALE Control (on for active low ALE) */
|
||||
#define LE_C3_BCON 0x0001 /* Byte Control */
|
||||
|
||||
|
||||
/*
|
||||
* Mode Flags
|
||||
*/
|
||||
#define LE_MO_PROM 0x8000 /* Promiscuous Mode */
|
||||
#define LE_MO_PROM 0x8000 /* Promiscuous Mode */
|
||||
/* these next ones 0x4000 -- 0x0080 are not available on the LANCE 7990,
|
||||
* but they are in NetBSD's am7990.h, presumably for backwards-compatible chips
|
||||
*/
|
||||
#define LE_MO_DRCVBC 0x4000 /* disable receive broadcast */
|
||||
#define LE_MO_DRCVPA 0x2000 /* disable physical address detection */
|
||||
#define LE_MO_DLNKTST 0x1000 /* disable link status */
|
||||
#define LE_MO_DAPC 0x0800 /* disable automatic polarity correction */
|
||||
#define LE_MO_MENDECL 0x0400 /* MENDEC loopback mode */
|
||||
#define LE_MO_LRTTSEL 0x0200 /* lower RX threshold / TX mode selection */
|
||||
#define LE_MO_PSEL1 0x0100 /* port selection bit1 */
|
||||
#define LE_MO_PSEL0 0x0080 /* port selection bit0 */
|
||||
#define LE_MO_DRCVBC 0x4000 /* disable receive broadcast */
|
||||
#define LE_MO_DRCVPA 0x2000 /* disable physical address detection */
|
||||
#define LE_MO_DLNKTST 0x1000 /* disable link status */
|
||||
#define LE_MO_DAPC 0x0800 /* disable automatic polarity correction */
|
||||
#define LE_MO_MENDECL 0x0400 /* MENDEC loopback mode */
|
||||
#define LE_MO_LRTTSEL 0x0200 /* lower RX threshold / TX mode selection */
|
||||
#define LE_MO_PSEL1 0x0100 /* port selection bit1 */
|
||||
#define LE_MO_PSEL0 0x0080 /* port selection bit0 */
|
||||
/* and this one is from the C-LANCE data sheet... */
|
||||
#define LE_MO_EMBA 0x0080 /* Enable Modified Backoff Algorithm
|
||||
(C-LANCE, not original LANCE) */
|
||||
#define LE_MO_INTL 0x0040 /* Internal Loopback */
|
||||
#define LE_MO_DRTY 0x0020 /* Disable Retry */
|
||||
#define LE_MO_FCOLL 0x0010 /* Force Collision */
|
||||
#define LE_MO_DXMTFCS 0x0008 /* Disable Transmit CRC */
|
||||
#define LE_MO_LOOP 0x0004 /* Loopback Enable */
|
||||
#define LE_MO_DTX 0x0002 /* Disable Transmitter */
|
||||
#define LE_MO_DRX 0x0001 /* Disable Receiver */
|
||||
#define LE_MO_EMBA 0x0080 /* Enable Modified Backoff Algorithm
|
||||
(C-LANCE, not original LANCE) */
|
||||
#define LE_MO_INTL 0x0040 /* Internal Loopback */
|
||||
#define LE_MO_DRTY 0x0020 /* Disable Retry */
|
||||
#define LE_MO_FCOLL 0x0010 /* Force Collision */
|
||||
#define LE_MO_DXMTFCS 0x0008 /* Disable Transmit CRC */
|
||||
#define LE_MO_LOOP 0x0004 /* Loopback Enable */
|
||||
#define LE_MO_DTX 0x0002 /* Disable Transmitter */
|
||||
#define LE_MO_DRX 0x0001 /* Disable Receiver */
|
||||
|
||||
|
||||
/*
|
||||
* Receive Flags
|
||||
*/
|
||||
#define LE_R1_OWN 0x80 /* LANCE owns the descriptor */
|
||||
#define LE_R1_ERR 0x40 /* Error */
|
||||
#define LE_R1_FRA 0x20 /* Framing Error */
|
||||
#define LE_R1_OFL 0x10 /* Overflow Error */
|
||||
#define LE_R1_CRC 0x08 /* CRC Error */
|
||||
#define LE_R1_BUF 0x04 /* 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_R1_OWN 0x80 /* LANCE owns the descriptor */
|
||||
#define LE_R1_ERR 0x40 /* Error */
|
||||
#define LE_R1_FRA 0x20 /* Framing Error */
|
||||
#define LE_R1_OFL 0x10 /* Overflow Error */
|
||||
#define LE_R1_CRC 0x08 /* CRC Error */
|
||||
#define LE_R1_BUF 0x04 /* 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 */
|
||||
|
||||
|
||||
/*
|
||||
* Transmit Flags
|
||||
*/
|
||||
#define LE_T1_OWN 0x80 /* LANCE owns the descriptor */
|
||||
#define LE_T1_ERR 0x40 /* Error */
|
||||
#define LE_T1_RES 0x20 /* Reserved, LANCE writes this with a zero */
|
||||
#define LE_T1_EMORE 0x10 /* More than one retry needed */
|
||||
#define LE_T1_EONE 0x08 /* One retry needed */
|
||||
#define LE_T1_EDEF 0x04 /* 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_T1_OWN 0x80 /* LANCE owns the descriptor */
|
||||
#define LE_T1_ERR 0x40 /* Error */
|
||||
#define LE_T1_RES 0x20 /* Reserved, LANCE writes this with a zero */
|
||||
#define LE_T1_EMORE 0x10 /* More than one retry needed */
|
||||
#define LE_T1_EONE 0x08 /* One retry needed */
|
||||
#define LE_T1_EDEF 0x04 /* 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 */
|
||||
|
||||
/*
|
||||
* Error Flags
|
||||
*/
|
||||
#define LE_T3_BUF 0x8000 /* Buffer Error */
|
||||
#define LE_T3_UFL 0x4000 /* Underflow Error */
|
||||
#define LE_T3_LCOL 0x1000 /* Late Collision */
|
||||
#define LE_T3_CLOS 0x0800 /* Loss of Carrier */
|
||||
#define LE_T3_RTY 0x0400 /* Retry Error */
|
||||
#define LE_T3_TDR 0x03ff /* Time Domain Reflectometry */
|
||||
#define LE_T3_BUF 0x8000 /* Buffer Error */
|
||||
#define LE_T3_UFL 0x4000 /* Underflow Error */
|
||||
#define LE_T3_LCOL 0x1000 /* Late Collision */
|
||||
#define LE_T3_CLOS 0x0800 /* Loss of Carrier */
|
||||
#define LE_T3_RTY 0x0400 /* Retry Error */
|
||||
#define LE_T3_TDR 0x03ff /* Time Domain Reflectometry */
|
||||
|
||||
/* Miscellaneous useful macros */
|
||||
|
||||
#define TX_BUFFS_AVAIL ((lp->tx_old<=lp->tx_new)?\
|
||||
lp->tx_old+lp->tx_ring_mod_mask-lp->tx_new:\
|
||||
lp->tx_old - lp->tx_new-1)
|
||||
#define TX_BUFFS_AVAIL ((lp->tx_old <= lp->tx_new) ? \
|
||||
lp->tx_old + lp->tx_ring_mod_mask - lp->tx_new : \
|
||||
lp->tx_old - lp->tx_new - 1)
|
||||
|
||||
/* The LANCE only uses 24 bit addresses. This does the obvious thing. */
|
||||
#define LANCE_ADDR(x) ((int)(x) & ~0xff000000)
|
||||
|
||||
/* Now the prototypes we export */
|
||||
int lance_open(struct net_device *dev);
|
||||
int lance_close (struct net_device *dev);
|
||||
int lance_start_xmit (struct sk_buff *skb, struct net_device *dev);
|
||||
void lance_set_multicast (struct net_device *dev);
|
||||
int lance_close(struct net_device *dev);
|
||||
int lance_start_xmit(struct sk_buff *skb, struct net_device *dev);
|
||||
void lance_set_multicast(struct net_device *dev);
|
||||
void lance_tx_timeout(struct net_device *dev);
|
||||
#ifdef CONFIG_NET_POLL_CONTROLLER
|
||||
void lance_poll(struct net_device *dev);
|
||||
|
|
|
@ -127,41 +127,41 @@ static void hplance_remove_one(struct dio_dev *d)
|
|||
/* Initialise a single lance board at the given DIO device */
|
||||
static void hplance_init(struct net_device *dev, struct dio_dev *d)
|
||||
{
|
||||
unsigned long va = (d->resource.start + DIO_VIRADDRBASE);
|
||||
struct hplance_private *lp;
|
||||
int i;
|
||||
unsigned long va = (d->resource.start + DIO_VIRADDRBASE);
|
||||
struct hplance_private *lp;
|
||||
int i;
|
||||
|
||||
/* reset the board */
|
||||
out_8(va+DIO_IDOFF, 0xff);
|
||||
udelay(100); /* ariba! ariba! udelay! udelay! */
|
||||
/* reset the board */
|
||||
out_8(va + DIO_IDOFF, 0xff);
|
||||
udelay(100); /* ariba! ariba! udelay! udelay! */
|
||||
|
||||
/* Fill the dev fields */
|
||||
dev->base_addr = va;
|
||||
dev->netdev_ops = &hplance_netdev_ops;
|
||||
dev->dma = 0;
|
||||
/* Fill the dev fields */
|
||||
dev->base_addr = va;
|
||||
dev->netdev_ops = &hplance_netdev_ops;
|
||||
dev->dma = 0;
|
||||
|
||||
for (i=0; i<6; i++) {
|
||||
/* The NVRAM holds our ethernet address, one nibble per byte,
|
||||
* at bytes NVRAMOFF+1,3,5,7,9...
|
||||
*/
|
||||
dev->dev_addr[i] = ((in_8(va + HPLANCE_NVRAMOFF + i*4 + 1) & 0xF) << 4)
|
||||
| (in_8(va + HPLANCE_NVRAMOFF + i*4 + 3) & 0xF);
|
||||
}
|
||||
for (i = 0; i < 6; i++) {
|
||||
/* The NVRAM holds our ethernet address, one nibble per byte,
|
||||
* at bytes NVRAMOFF+1,3,5,7,9...
|
||||
*/
|
||||
dev->dev_addr[i] = ((in_8(va + HPLANCE_NVRAMOFF + i*4 + 1) & 0xF) << 4)
|
||||
| (in_8(va + HPLANCE_NVRAMOFF + i*4 + 3) & 0xF);
|
||||
}
|
||||
|
||||
lp = netdev_priv(dev);
|
||||
lp->lance.name = (char*)d->name; /* discards const, shut up gcc */
|
||||
lp->lance.base = va;
|
||||
lp->lance.init_block = (struct lance_init_block *)(va + HPLANCE_MEMOFF); /* CPU addr */
|
||||
lp->lance.lance_init_block = NULL; /* LANCE addr of same RAM */
|
||||
lp->lance.busmaster_regval = LE_C3_BSWP; /* we're bigendian */
|
||||
lp->lance.irq = d->ipl;
|
||||
lp->lance.writerap = hplance_writerap;
|
||||
lp->lance.writerdp = hplance_writerdp;
|
||||
lp->lance.readrdp = hplance_readrdp;
|
||||
lp->lance.lance_log_rx_bufs = LANCE_LOG_RX_BUFFERS;
|
||||
lp->lance.lance_log_tx_bufs = LANCE_LOG_TX_BUFFERS;
|
||||
lp->lance.rx_ring_mod_mask = RX_RING_MOD_MASK;
|
||||
lp->lance.tx_ring_mod_mask = TX_RING_MOD_MASK;
|
||||
lp = netdev_priv(dev);
|
||||
lp->lance.name = (char *)d->name; /* discards const, shut up gcc */
|
||||
lp->lance.base = va;
|
||||
lp->lance.init_block = (struct lance_init_block *)(va + HPLANCE_MEMOFF); /* CPU addr */
|
||||
lp->lance.lance_init_block = NULL; /* LANCE addr of same RAM */
|
||||
lp->lance.busmaster_regval = LE_C3_BSWP; /* we're bigendian */
|
||||
lp->lance.irq = d->ipl;
|
||||
lp->lance.writerap = hplance_writerap;
|
||||
lp->lance.writerdp = hplance_writerdp;
|
||||
lp->lance.readrdp = hplance_readrdp;
|
||||
lp->lance.lance_log_rx_bufs = LANCE_LOG_RX_BUFFERS;
|
||||
lp->lance.lance_log_tx_bufs = LANCE_LOG_TX_BUFFERS;
|
||||
lp->lance.rx_ring_mod_mask = RX_RING_MOD_MASK;
|
||||
lp->lance.tx_ring_mod_mask = TX_RING_MOD_MASK;
|
||||
}
|
||||
|
||||
/* This is disgusting. We have to check the DIO status register for ack every
|
||||
|
@ -195,25 +195,25 @@ static unsigned short hplance_readrdp(void *priv)
|
|||
|
||||
static int hplance_open(struct net_device *dev)
|
||||
{
|
||||
int status;
|
||||
struct lance_private *lp = netdev_priv(dev);
|
||||
int status;
|
||||
struct lance_private *lp = netdev_priv(dev);
|
||||
|
||||
status = lance_open(dev); /* call generic lance open code */
|
||||
if (status)
|
||||
return status;
|
||||
/* enable interrupts at board level. */
|
||||
out_8(lp->base + HPLANCE_STATUS, LE_IE);
|
||||
status = lance_open(dev); /* call generic lance open code */
|
||||
if (status)
|
||||
return status;
|
||||
/* enable interrupts at board level. */
|
||||
out_8(lp->base + HPLANCE_STATUS, LE_IE);
|
||||
|
||||
return 0;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int hplance_close(struct net_device *dev)
|
||||
{
|
||||
struct lance_private *lp = netdev_priv(dev);
|
||||
struct lance_private *lp = netdev_priv(dev);
|
||||
|
||||
out_8(lp->base + HPLANCE_STATUS, 0); /* disable interrupts at boardlevel */
|
||||
lance_close(dev);
|
||||
return 0;
|
||||
out_8(lp->base + HPLANCE_STATUS, 0); /* disable interrupts at boardlevel */
|
||||
lance_close(dev);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int __init hplance_init_module(void)
|
||||
|
@ -223,7 +223,7 @@ static int __init hplance_init_module(void)
|
|||
|
||||
static void __exit hplance_cleanup_module(void)
|
||||
{
|
||||
dio_unregister_driver(&hplance_driver);
|
||||
dio_unregister_driver(&hplance_driver);
|
||||
}
|
||||
|
||||
module_init(hplance_init_module);
|
||||
|
|
|
@ -94,33 +94,31 @@ struct net_device * __init mvme147lance_probe(int unit)
|
|||
dev->netdev_ops = &lance_netdev_ops;
|
||||
dev->dma = 0;
|
||||
|
||||
addr=(u_long *)ETHERNET_ADDRESS;
|
||||
addr = (u_long *)ETHERNET_ADDRESS;
|
||||
address = *addr;
|
||||
dev->dev_addr[0]=0x08;
|
||||
dev->dev_addr[1]=0x00;
|
||||
dev->dev_addr[2]=0x3e;
|
||||
address=address>>8;
|
||||
dev->dev_addr[5]=address&0xff;
|
||||
address=address>>8;
|
||||
dev->dev_addr[4]=address&0xff;
|
||||
address=address>>8;
|
||||
dev->dev_addr[3]=address&0xff;
|
||||
dev->dev_addr[0] = 0x08;
|
||||
dev->dev_addr[1] = 0x00;
|
||||
dev->dev_addr[2] = 0x3e;
|
||||
address = address >> 8;
|
||||
dev->dev_addr[5] = address&0xff;
|
||||
address = address >> 8;
|
||||
dev->dev_addr[4] = address&0xff;
|
||||
address = address >> 8;
|
||||
dev->dev_addr[3] = address&0xff;
|
||||
|
||||
printk("%s: MVME147 at 0x%08lx, irq %d, "
|
||||
"Hardware Address %pM\n",
|
||||
printk("%s: MVME147 at 0x%08lx, irq %d, Hardware Address %pM\n",
|
||||
dev->name, dev->base_addr, MVME147_LANCE_IRQ,
|
||||
dev->dev_addr);
|
||||
|
||||
lp = netdev_priv(dev);
|
||||
lp->ram = __get_dma_pages(GFP_ATOMIC, 3); /* 16K */
|
||||
if (!lp->ram)
|
||||
{
|
||||
if (!lp->ram) {
|
||||
printk("%s: No memory for LANCE buffers\n", dev->name);
|
||||
free_netdev(dev);
|
||||
return ERR_PTR(-ENOMEM);
|
||||
}
|
||||
|
||||
lp->lance.name = (char*)name; /* discards const, shut up gcc */
|
||||
lp->lance.name = (char *)name; /* discards const, shut up gcc */
|
||||
lp->lance.base = dev->base_addr;
|
||||
lp->lance.init_block = (struct lance_init_block *)(lp->ram); /* CPU addr */
|
||||
lp->lance.lance_init_block = (struct lance_init_block *)(lp->ram); /* LANCE addr of same RAM */
|
||||
|
@ -167,8 +165,8 @@ static int m147lance_open(struct net_device *dev)
|
|||
if (status)
|
||||
return status;
|
||||
/* enable interrupts at board level. */
|
||||
m147_pcc->lan_cntrl=0; /* clear the interrupts (if any) */
|
||||
m147_pcc->lan_cntrl=0x08 | 0x04; /* Enable irq 4 */
|
||||
m147_pcc->lan_cntrl = 0; /* clear the interrupts (if any) */
|
||||
m147_pcc->lan_cntrl = 0x08 | 0x04; /* Enable irq 4 */
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
@ -176,7 +174,7 @@ static int m147lance_open(struct net_device *dev)
|
|||
static int m147lance_close(struct net_device *dev)
|
||||
{
|
||||
/* disable interrupts at boardlevel */
|
||||
m147_pcc->lan_cntrl=0x0; /* disable interrupts */
|
||||
m147_pcc->lan_cntrl = 0x0; /* disable interrupts */
|
||||
lance_close(dev);
|
||||
return 0;
|
||||
}
|
||||
|
|
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