11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * net-3-driver for the NI5210 card (i82586 Ethernet chip) 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This is an extension to the Linux operating system, and is covered by the 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * same GNU General Public License that covers that work. 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Alphacode 0.82 (96/09/29) for Linux 2.0.0 (or later) 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyrights (c) 1994,1995,1996 by M.Hipp (hippm@informatik.uni-tuebingen.de) 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * [feel free to mail ....] 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * when using as module: (no autoprobing!) 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * run with e.g: 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * insmod ni52.o io=0x360 irq=9 memstart=0xd0000 memend=0xd4000 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * CAN YOU PLEASE REPORT ME YOUR PERFORMANCE EXPERIENCES !!. 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * If you find a bug, please report me: 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The kernel panic output and any kmsg from the ni52 driver 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the ni5210-driver-version and the linux-kernel version 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * how many shared memory (memsize) on the netcard, 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * bootprom: yes/no, base_addr, mem_start 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * maybe the ni5210-card revision and the i82586 version 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * autoprobe for: base_addr: 0x300,0x280,0x360,0x320,0x340 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * mem_start: 0xd0000,0xd2000,0xc8000,0xca000,0xd4000,0xd6000, 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 0xd8000,0xcc000,0xce000,0xda000,0xdc000 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * sources: 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * skeleton.c from Donald Becker 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * I have also done a look in the following sources: (mail me if you need them) 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * crynwr-packet-driver by Russ Nelson 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Garret A. Wollman's (fourth) i82586-driver for BSD 34a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox * (before getting an i82596 (yes 596 not 586) manual, the existing drivers 35a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox * helped me a lot to understand this tricky chip.) 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Known Problems: 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The internal sysbus seems to be slow. So we often lose packets because of 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * overruns while receiving from a fast remote host. 40a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox * This can slow down TCP connections. Maybe the newer ni5210 cards are 41a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox * better. My experience is, that if a machine sends with more than about 42a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox * 500-600K/s the fifo/sysbus overflows. 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * IMPORTANT NOTE: 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * On fast networks, it's a (very) good idea to have 16K shared memory. With 46a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox * 8K, we can store only 4 receive frames, so it can (easily) happen that a 47a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox * remote machine 'overruns' our system. 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Known i82586/card problems (I'm sure, there are many more!): 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Running the NOP-mode, the i82586 sometimes seems to forget to report 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * every xmit-interrupt until we restart the CU. 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Another MAJOR bug is, that the RU sometimes seems to ignore the EL-Bit 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * in the RBD-Struct which indicates an end of the RBD queue. 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Instead, the RU fetches another (randomly selected and 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * usually used) RBD and begins to fill it. (Maybe, this happens only if 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the last buffer from the previous RFD fits exact into the queue and 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the next RFD can't fetch an initial RBD. Anyone knows more? ) 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * results from ftp performance tests with Linux 1.2.5 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * send and receive about 350-400 KByte/s (peak up to 460 kbytes/s) 61a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox * sending in NOP-mode: peak performance up to 530K/s (but better don't 62a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox * run this mode) 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 29.Sept.96: virt_to_bus changes for new memory scheme 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 19.Feb.96: more Mcast changes, module support (MH) 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18.Nov.95: Mcast changes (AC). 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 23.April.95: fixed(?) receiving problems by configuring a RFD more 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * than the number of RBD's. Can maybe cause other problems. 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18.April.95: Added MODULE support (MH) 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 17.April.95: MC related changes in init586() and set_multicast_list(). 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * removed use of 'jiffies' in init586() (MH) 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 19.Sep.94: Added Multicast support (not tested yet) (MH) 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 18.Sep.94: Workaround for 'EL-Bug'. Removed flexible RBD-handling. 801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Now, every RFD has exact one RBD. (MH) 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 14.Sep.94: added promiscuous mode, a few cleanups (MH) 831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 19.Aug.94: changed request_irq() parameter (MH) 851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 20.July.94: removed cleanup bugs, removed a 16K-mem-probe-bug (MH) 871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 19.July.94: lotsa cleanups .. (MH) 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 17.July.94: some patches ... verified to run with 1.1.29 (MH) 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 4.July.94: patches for Linux 1.1.24 (MH) 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 26.March.94: patches for Linux 1.0 and iomem-auto-probe (MH) 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 96a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox * 30.Sep.93: Added nop-chain .. driver now runs with only one Xmit-Buff, 97a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox * too (MH) 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * < 30.Sep.93: first versions 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int debuglevel; /* debug-printk 0: off 1: a few 2: more */ 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int automatic_resume; /* experimental .. better should be zero */ 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int rfdadd; /* rfdadd=1 may be better for 8K MEM cards */ 105a197f6938db43b5ef464242f707233d3bd8842ebAlan Coxstatic int fifo = 0x8; /* don't change */ 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/module.h> 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/kernel.h> 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/string.h> 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/errno.h> 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/ioport.h> 1121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/interrupt.h> 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/delay.h> 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/init.h> 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/bitops.h> 1161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/io.h> 1171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/netdevice.h> 1191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/etherdevice.h> 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/skbuff.h> 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "ni52.h" 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DRV_NAME "ni52" 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DEBUG /* debug on */ 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SYSBUSVAL 1 /* 8 Bit */ 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 129a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox#define ni_attn586() { outb(0, dev->base_addr + NI52_ATTENTION); } 130a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox#define ni_reset586() { outb(0, dev->base_addr + NI52_RESET); } 131a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox#define ni_disint() { outb(0, dev->base_addr + NI52_INTDIS); } 132a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox#define ni_enaint() { outb(0, dev->base_addr + NI52_INTENA); } 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13405bd831fcdf4ce08ae5b832cfe03a303245fb135Al Viro#define make32(ptr16) ((void __iomem *)(p->memtop + (short) (ptr16))) 135e06ee2bb03f936c57265e447bc05e8324db61207Al Viro#define make24(ptr32) ((char __iomem *)(ptr32)) - p->base 136e06ee2bb03f936c57265e447bc05e8324db61207Al Viro#define make16(ptr32) ((unsigned short) ((char __iomem *)(ptr32)\ 137e06ee2bb03f936c57265e447bc05e8324db61207Al Viro - p->memtop)) 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/******************* how to calculate the buffers ***************************** 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * IMPORTANT NOTE: if you configure only one NUM_XMIT_BUFFS, the driver works 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * --------------- in a different (more stable?) mode. Only in this mode it's 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * possible to configure the driver with 'NO_NOPCOMMANDS' 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldssizeof(scp)=12; sizeof(scb)=16; sizeof(iscp)=8; 1461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldssizeof(scp)+sizeof(iscp)+sizeof(scb) = 36 = INIT 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldssizeof(rfd) = 24; sizeof(rbd) = 12; 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldssizeof(tbd) = 8; sizeof(transmit_cmd) = 16; 1491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldssizeof(nop_cmd) = 8; 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * if you don't know the driver, better do not change these values: */ 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define RECV_BUFF_SIZE 1524 /* slightly oversized */ 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define XMIT_BUFF_SIZE 1524 /* slightly oversized */ 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define NUM_XMIT_BUFFS 1 /* config for both, 8K and 16K shmem */ 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define NUM_RECV_BUFFS_8 4 /* config for 8K shared mem */ 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define NUM_RECV_BUFFS_16 9 /* config for 16K shared mem */ 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define NO_NOPCOMMANDS /* only possible with NUM_XMIT_BUFFS=1 */ 1591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/**************************************************************************/ 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define NI52_TOTAL_SIZE 16 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define NI52_ADDR0 0x02 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define NI52_ADDR1 0x07 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define NI52_ADDR2 0x01 1671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 168a197f6938db43b5ef464242f707233d3bd8842ebAlan Coxstatic int ni52_probe1(struct net_device *dev, int ioaddr); 169a197f6938db43b5ef464242f707233d3bd8842ebAlan Coxstatic irqreturn_t ni52_interrupt(int irq, void *dev_id); 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int ni52_open(struct net_device *dev); 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int ni52_close(struct net_device *dev); 17261357325f377889a1daffa14962d705dc814dd0eStephen Hemmingerstatic netdev_tx_t ni52_send_packet(struct sk_buff *, struct net_device *); 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct net_device_stats *ni52_get_stats(struct net_device *dev); 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void set_multicast_list(struct net_device *dev); 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ni52_timeout(struct net_device *dev); 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* helper-functions */ 1781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int init586(struct net_device *dev); 179de5971462fe27885290d8c95d9446a8b6d012448Al Virostatic int check586(struct net_device *dev, unsigned size); 1801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void alloc586(struct net_device *dev); 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void startrecv586(struct net_device *dev); 1822d76c267e90aafef72df1318b49cb8f43a59ac94Al Virostatic void __iomem *alloc_rfa(struct net_device *dev, void __iomem *ptr); 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ni52_rcv_int(struct net_device *dev); 1841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ni52_xmt_int(struct net_device *dev); 1851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ni52_rnr_int(struct net_device *dev); 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 187a197f6938db43b5ef464242f707233d3bd8842ebAlan Coxstruct priv { 188e06ee2bb03f936c57265e447bc05e8324db61207Al Viro char __iomem *base; 189e06ee2bb03f936c57265e447bc05e8324db61207Al Viro char __iomem *mapped; 1902d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro char __iomem *memtop; 191a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox spinlock_t spinlock; 192a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox int reset; 1932d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro struct rfd_struct __iomem *rfd_last, *rfd_top, *rfd_first; 1942d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro struct scp_struct __iomem *scp; 1952d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro struct iscp_struct __iomem *iscp; 1962d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro struct scb_struct __iomem *scb; 1972d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro struct tbd_struct __iomem *xmit_buffs[NUM_XMIT_BUFFS]; 1981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if (NUM_XMIT_BUFFS == 1) 1992d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro struct transmit_cmd_struct __iomem *xmit_cmds[2]; 2002d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro struct nop_cmd_struct __iomem *nop_cmds[2]; 2011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 2022d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro struct transmit_cmd_struct __iomem *xmit_cmds[NUM_XMIT_BUFFS]; 2032d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro struct nop_cmd_struct __iomem *nop_cmds[NUM_XMIT_BUFFS]; 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 205a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox int nop_point, num_recv_buffs; 2062d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro char __iomem *xmit_cbuffs[NUM_XMIT_BUFFS]; 207a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox int xmit_count, xmit_last; 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 2091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 210a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox/* wait for command with timeout: */ 211a197f6938db43b5ef464242f707233d3bd8842ebAlan Coxstatic void wait_for_scb_cmd(struct net_device *dev) 212a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox{ 2134cf1653aa90c6320dc8032443b5e322820aa28b1Wang Chen struct priv *p = netdev_priv(dev); 214a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox int i; 215a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox for (i = 0; i < 16384; i++) { 216a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (readb(&p->scb->cmd_cuc) == 0) 217a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox break; 218a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox udelay(4); 219a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (i == 16383) { 220a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_ERR "%s: scb_cmd timed out: %04x,%04x .. disabling i82586!!\n", 221a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox dev->name, readb(&p->scb->cmd_cuc), readb(&p->scb->cus)); 222a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (!p->reset) { 223a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox p->reset = 1; 224a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox ni_reset586(); 225a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox } 226a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox } 227a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox } 228a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox} 229a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox 230a197f6938db43b5ef464242f707233d3bd8842ebAlan Coxstatic void wait_for_scb_cmd_ruc(struct net_device *dev) 231a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox{ 2324cf1653aa90c6320dc8032443b5e322820aa28b1Wang Chen struct priv *p = netdev_priv(dev); 233a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox int i; 234a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox for (i = 0; i < 16384; i++) { 235a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (readb(&p->scb->cmd_ruc) == 0) 236a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox break; 237a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox udelay(4); 238a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (i == 16383) { 239a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_ERR "%s: scb_cmd (ruc) timed out: %04x,%04x .. disabling i82586!!\n", 24005bd831fcdf4ce08ae5b832cfe03a303245fb135Al Viro dev->name, readb(&p->scb->cmd_ruc), 24105bd831fcdf4ce08ae5b832cfe03a303245fb135Al Viro readb(&p->scb->rus)); 242a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (!p->reset) { 243a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox p->reset = 1; 244a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox ni_reset586(); 245a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox } 246a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox } 247a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox } 248a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox} 249a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox 2502d76c267e90aafef72df1318b49cb8f43a59ac94Al Virostatic void wait_for_stat_compl(void __iomem *p) 251a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox{ 2522d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro struct nop_cmd_struct __iomem *addr = p; 253a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox int i; 254a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox for (i = 0; i < 32767; i++) { 255a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (readw(&((addr)->cmd_status)) & STAT_COMPL) 256a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox break; 257a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox udelay(32); 258a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox } 259a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox} 260a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox 2611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/********************************************** 2621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * close device 2631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int ni52_close(struct net_device *dev) 2651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds free_irq(dev->irq, dev); 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ni_reset586(); /* the hard way to stop the receiver */ 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds netif_stop_queue(dev); 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/********************************************** 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * open device 2741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int ni52_open(struct net_device *dev) 2761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int ret; 2781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ni_disint(); 2801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds alloc586(dev); 2811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds init586(dev); 2821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds startrecv586(dev); 2831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ni_enaint(); 2841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 285a0607fd3a25ba1848a63a0d925e36d914735ab47Joe Perches ret = request_irq(dev->irq, ni52_interrupt, 0, dev->name, dev); 286a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (ret) { 2871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ni_reset586(); 2881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return ret; 2891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds netif_start_queue(dev); 2911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; /* most done by init */ 2921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 29476af5699a359c3683f1c94444826d78be8d42513Al Virostatic int check_iscp(struct net_device *dev, void __iomem *addr) 29576af5699a359c3683f1c94444826d78be8d42513Al Viro{ 29676af5699a359c3683f1c94444826d78be8d42513Al Viro struct iscp_struct __iomem *iscp = addr; 2974cf1653aa90c6320dc8032443b5e322820aa28b1Wang Chen struct priv *p = netdev_priv(dev); 29876af5699a359c3683f1c94444826d78be8d42513Al Viro memset_io(iscp, 0, sizeof(struct iscp_struct)); 29976af5699a359c3683f1c94444826d78be8d42513Al Viro 30076af5699a359c3683f1c94444826d78be8d42513Al Viro writel(make24(iscp), &p->scp->iscp); 30176af5699a359c3683f1c94444826d78be8d42513Al Viro writeb(1, &iscp->busy); 30276af5699a359c3683f1c94444826d78be8d42513Al Viro 30376af5699a359c3683f1c94444826d78be8d42513Al Viro ni_reset586(); 30476af5699a359c3683f1c94444826d78be8d42513Al Viro ni_attn586(); 30576af5699a359c3683f1c94444826d78be8d42513Al Viro mdelay(32); /* wait a while... */ 30676af5699a359c3683f1c94444826d78be8d42513Al Viro /* i82586 clears 'busy' after successful init */ 30776af5699a359c3683f1c94444826d78be8d42513Al Viro if (readb(&iscp->busy)) 30876af5699a359c3683f1c94444826d78be8d42513Al Viro return 0; 30976af5699a359c3683f1c94444826d78be8d42513Al Viro return 1; 31076af5699a359c3683f1c94444826d78be8d42513Al Viro} 31176af5699a359c3683f1c94444826d78be8d42513Al Viro 3121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/********************************************** 3131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Check to see if there's an 82586 out there. 3141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 315de5971462fe27885290d8c95d9446a8b6d012448Al Virostatic int check586(struct net_device *dev, unsigned size) 3161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3174cf1653aa90c6320dc8032443b5e322820aa28b1Wang Chen struct priv *p = netdev_priv(dev); 3181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 3191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 320176f65f3efb55723518d018c8020867f44d05147Al Viro p->mapped = ioremap(dev->mem_start, size); 321176f65f3efb55723518d018c8020867f44d05147Al Viro if (!p->mapped) 322176f65f3efb55723518d018c8020867f44d05147Al Viro return 0; 323176f65f3efb55723518d018c8020867f44d05147Al Viro 324e06ee2bb03f936c57265e447bc05e8324db61207Al Viro p->base = p->mapped + size - 0x01000000; 325e06ee2bb03f936c57265e447bc05e8324db61207Al Viro p->memtop = p->mapped + size; 3262d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro p->scp = (struct scp_struct __iomem *)(p->base + SCP_DEFAULT_ADDRESS); 3277f8cfd560875fd643024c02ea25d4f3b8f1fd31cAl Viro p->scb = (struct scb_struct __iomem *) p->mapped; 32876af5699a359c3683f1c94444826d78be8d42513Al Viro p->iscp = (struct iscp_struct __iomem *)p->scp - 1; 3292d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro memset_io(p->scp, 0, sizeof(struct scp_struct)); 330a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox for (i = 0; i < sizeof(struct scp_struct); i++) 331a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox /* memory was writeable? */ 3322d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro if (readb((char __iomem *)p->scp + i)) 333176f65f3efb55723518d018c8020867f44d05147Al Viro goto Enodev; 334a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writeb(SYSBUSVAL, &p->scp->sysbus); /* 1 = 8Bit-Bus, 0 = 16 Bit */ 335a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (readb(&p->scp->sysbus) != SYSBUSVAL) 336176f65f3efb55723518d018c8020867f44d05147Al Viro goto Enodev; 3371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 33876af5699a359c3683f1c94444826d78be8d42513Al Viro if (!check_iscp(dev, p->mapped)) 339176f65f3efb55723518d018c8020867f44d05147Al Viro goto Enodev; 34076af5699a359c3683f1c94444826d78be8d42513Al Viro if (!check_iscp(dev, p->iscp)) 341176f65f3efb55723518d018c8020867f44d05147Al Viro goto Enodev; 3421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 343176f65f3efb55723518d018c8020867f44d05147Al ViroEnodev: 344176f65f3efb55723518d018c8020867f44d05147Al Viro iounmap(p->mapped); 345176f65f3efb55723518d018c8020867f44d05147Al Viro return 0; 3461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/****************************************************************** 3491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * set iscp at the right place, called by ni52_probe1 and open586. 3501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void alloc586(struct net_device *dev) 3521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3534cf1653aa90c6320dc8032443b5e322820aa28b1Wang Chen struct priv *p = netdev_priv(dev); 3541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ni_reset586(); 356a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox mdelay(32); 357a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox 358a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox memset_io(p->iscp, 0, sizeof(struct iscp_struct)); 359a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox memset_io(p->scp , 0, sizeof(struct scp_struct)); 3601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 361a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writel(make24(p->iscp), &p->scp->iscp); 362a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writeb(SYSBUSVAL, &p->scp->sysbus); 363a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(make16(p->scb), &p->iscp->scb_offset); 3641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 365a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writeb(1, &p->iscp->busy); 3661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ni_reset586(); 3671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ni_attn586(); 3681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 369a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox mdelay(32); 3701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 371a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (readb(&p->iscp->busy)) 372a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_ERR "%s: Init-Problems (alloc).\n", dev->name); 3731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 374a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox p->reset = 0; 3751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3762d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro memset_io(p->scb, 0, sizeof(struct scb_struct)); 3771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* set: io,irq,memstart,memend or set it when calling insmod */ 380a197f6938db43b5ef464242f707233d3bd8842ebAlan Coxstatic int irq = 9; 381a197f6938db43b5ef464242f707233d3bd8842ebAlan Coxstatic int io = 0x300; 3821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic long memstart; /* e.g 0xd0000 */ 3831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic long memend; /* e.g 0xd4000 */ 3841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/********************************************** 3861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * probe the ni5210-card 3871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct net_device * __init ni52_probe(int unit) 3891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct net_device *dev = alloc_etherdev(sizeof(struct priv)); 391b6bc765067ece933cc3dc7f5e95665a89100b1d5Joe Perches static const int ports[] = {0x300, 0x280, 0x360, 0x320, 0x340, 0}; 392b6bc765067ece933cc3dc7f5e95665a89100b1d5Joe Perches const int *port; 393176f65f3efb55723518d018c8020867f44d05147Al Viro struct priv *p; 3941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int err = 0; 3951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dev) 3971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return ERR_PTR(-ENOMEM); 3981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3994cf1653aa90c6320dc8032443b5e322820aa28b1Wang Chen p = netdev_priv(dev); 400176f65f3efb55723518d018c8020867f44d05147Al Viro 4011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (unit >= 0) { 4021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sprintf(dev->name, "eth%d", unit); 4031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds netdev_boot_setup_check(dev); 4041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds io = dev->base_addr; 4051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds irq = dev->irq; 4061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memstart = dev->mem_start; 4071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memend = dev->mem_end; 4081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (io > 0x1ff) { /* Check a single specified location. */ 4111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = ni52_probe1(dev, io); 4121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else if (io > 0) { /* Don't probe at all. */ 4131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = -ENXIO; 4141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 4151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (port = ports; *port && ni52_probe1(dev, *port) ; port++) 4161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ; 4171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (*port) 4181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto got_it; 4191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef FULL_IO_PROBE 4201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (io = 0x200; io < 0x400 && ni52_probe1(dev, io); io += 8) 4211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ; 4221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (io < 0x400) 4231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto got_it; 4241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 4251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = -ENODEV; 4261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (err) 4281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 4291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsgot_it: 4301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = register_netdev(dev); 4311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (err) 4321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out1; 4331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return dev; 4341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsout1: 435176f65f3efb55723518d018c8020867f44d05147Al Viro iounmap(p->mapped); 4361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds release_region(dev->base_addr, NI52_TOTAL_SIZE); 4371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsout: 4381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds free_netdev(dev); 4391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return ERR_PTR(err); 4401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4422c7669e3a9f748dd35743f06cbdaf4340263c3bfStephen Hemmingerstatic const struct net_device_ops ni52_netdev_ops = { 4432c7669e3a9f748dd35743f06cbdaf4340263c3bfStephen Hemminger .ndo_open = ni52_open, 4442c7669e3a9f748dd35743f06cbdaf4340263c3bfStephen Hemminger .ndo_stop = ni52_close, 4452c7669e3a9f748dd35743f06cbdaf4340263c3bfStephen Hemminger .ndo_get_stats = ni52_get_stats, 4462c7669e3a9f748dd35743f06cbdaf4340263c3bfStephen Hemminger .ndo_tx_timeout = ni52_timeout, 4472c7669e3a9f748dd35743f06cbdaf4340263c3bfStephen Hemminger .ndo_start_xmit = ni52_send_packet, 448afc4b13df143122f99a0eb10bfefb216c2806de0Jiri Pirko .ndo_set_rx_mode = set_multicast_list, 4492c7669e3a9f748dd35743f06cbdaf4340263c3bfStephen Hemminger .ndo_change_mtu = eth_change_mtu, 4502c7669e3a9f748dd35743f06cbdaf4340263c3bfStephen Hemminger .ndo_set_mac_address = eth_mac_addr, 4512c7669e3a9f748dd35743f06cbdaf4340263c3bfStephen Hemminger .ndo_validate_addr = eth_validate_addr, 4522c7669e3a9f748dd35743f06cbdaf4340263c3bfStephen Hemminger}; 4532c7669e3a9f748dd35743f06cbdaf4340263c3bfStephen Hemminger 454a197f6938db43b5ef464242f707233d3bd8842ebAlan Coxstatic int __init ni52_probe1(struct net_device *dev, int ioaddr) 4551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i, size, retval; 4574cf1653aa90c6320dc8032443b5e322820aa28b1Wang Chen struct priv *priv = netdev_priv(dev); 4581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev->base_addr = ioaddr; 4601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev->irq = irq; 4611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev->mem_start = memstart; 4621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev->mem_end = memend; 4631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4647f8cfd560875fd643024c02ea25d4f3b8f1fd31cAl Viro spin_lock_init(&priv->spinlock); 4657f8cfd560875fd643024c02ea25d4f3b8f1fd31cAl Viro 4661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!request_region(ioaddr, NI52_TOTAL_SIZE, DRV_NAME)) 4671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EBUSY; 4681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 469a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (!(inb(ioaddr+NI52_MAGIC1) == NI52_MAGICVAL1) || 4701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds !(inb(ioaddr+NI52_MAGIC2) == NI52_MAGICVAL2)) { 4711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds retval = -ENODEV; 4721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 4731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 475a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox for (i = 0; i < ETH_ALEN; i++) 4761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev->dev_addr[i] = inb(dev->base_addr+i); 4771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4788e95a2026f3b43f7c3d676adaccd2de9532e8dccJoe Perches if (dev->dev_addr[0] != NI52_ADDR0 || dev->dev_addr[1] != NI52_ADDR1 || 4798e95a2026f3b43f7c3d676adaccd2de9532e8dccJoe Perches dev->dev_addr[2] != NI52_ADDR2) { 4801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds retval = -ENODEV; 4811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 4821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 484a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_INFO "%s: NI5210 found at %#3lx, ", 485a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox dev->name, dev->base_addr); 4861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 4881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * check (or search) IO-Memory, 8K and 16K 4891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 4901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef MODULE 4911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds size = dev->mem_end - dev->mem_start; 492a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (size != 0x2000 && size != 0x4000) { 493a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk("\n"); 494a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_ERR "%s: Invalid memory size %d. Allowed is 0x2000 or 0x4000 bytes.\n", dev->name, size); 4951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds retval = -ENODEV; 4961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 4971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 498de5971462fe27885290d8c95d9446a8b6d012448Al Viro if (!check586(dev, size)) { 499a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_ERR "?memcheck, Can't find memory at 0x%lx with size %d!\n", dev->mem_start, size); 5001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds retval = -ENODEV; 5011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 5021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 504a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (dev->mem_start != 0) { 505a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox /* no auto-mem-probe */ 5061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds size = 0x4000; /* check for 16K mem */ 507de5971462fe27885290d8c95d9446a8b6d012448Al Viro if (!check586(dev, size)) { 5081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds size = 0x2000; /* check for 8K mem */ 509de5971462fe27885290d8c95d9446a8b6d012448Al Viro if (!check586(dev, size)) { 510a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_ERR "?memprobe, Can't find memory at 0x%lx!\n", dev->mem_start); 5111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds retval = -ENODEV; 5121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 5131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 515a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox } else { 516a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox static const unsigned long memaddrs[] = { 517a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox 0xc8000, 0xca000, 0xcc000, 0xce000, 0xd0000, 0xd2000, 518a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox 0xd4000, 0xd6000, 0xd8000, 0xda000, 0xdc000, 0 519a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox }; 520a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox for (i = 0;; i++) { 521a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (!memaddrs[i]) { 522a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_ERR "?memprobe, Can't find io-memory!\n"); 5231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds retval = -ENODEV; 5241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 5251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev->mem_start = memaddrs[i]; 5271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds size = 0x2000; /* check for 8K mem */ 528de5971462fe27885290d8c95d9446a8b6d012448Al Viro if (check586(dev, size)) 529a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox /* 8K-check */ 5301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 5311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds size = 0x4000; /* check for 16K mem */ 532de5971462fe27885290d8c95d9446a8b6d012448Al Viro if (check586(dev, size)) 533a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox /* 16K-check */ 5341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 5351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 537a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox /* set mem_end showed by 'ifconfig' */ 538a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox dev->mem_end = dev->mem_start + size; 5391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 5401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds alloc586(dev); 5421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* set number of receive-buffs according to memsize */ 544a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (size == 0x2000) 545e06ee2bb03f936c57265e447bc05e8324db61207Al Viro priv->num_recv_buffs = NUM_RECV_BUFFS_8; 5461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 547e06ee2bb03f936c57265e447bc05e8324db61207Al Viro priv->num_recv_buffs = NUM_RECV_BUFFS_16; 5481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 549a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_DEBUG "Memaddr: 0x%lx, Memsize: %d, ", 550a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox dev->mem_start, size); 5511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 552a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (dev->irq < 2) { 5531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long irq_mask; 5541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds irq_mask = probe_irq_on(); 5561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ni_reset586(); 5571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ni_attn586(); 5581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mdelay(20); 5601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev->irq = probe_irq_off(irq_mask); 561a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (!dev->irq) { 5621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("?autoirq, Failed to detect IRQ line!\n"); 5631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds retval = -EAGAIN; 564176f65f3efb55723518d018c8020867f44d05147Al Viro iounmap(priv->mapped); 5651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 5661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 567a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk("IRQ %d (autodetected).\n", dev->irq); 568a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox } else { 569a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (dev->irq == 2) 5701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev->irq = 9; 571a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk("IRQ %d (assigned and not checked!).\n", dev->irq); 5721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5742c7669e3a9f748dd35743f06cbdaf4340263c3bfStephen Hemminger dev->netdev_ops = &ni52_netdev_ops; 5751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev->watchdog_timeo = HZ/20; 5761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 5781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsout: 5791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds release_region(ioaddr, NI52_TOTAL_SIZE); 5801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return retval; 5811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/********************************************** 5841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * init the chip (ni52-interrupt should be disabled?!) 5851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * needs a correct 'allocated' memory 5861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 5871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int init586(struct net_device *dev) 5891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5902d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro void __iomem *ptr; 591a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox int i, result = 0; 5924cf1653aa90c6320dc8032443b5e322820aa28b1Wang Chen struct priv *p = netdev_priv(dev); 5932d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro struct configure_cmd_struct __iomem *cfg_cmd; 5942d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro struct iasetup_cmd_struct __iomem *ias_cmd; 5952d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro struct tdr_cmd_struct __iomem *tdr_cmd; 5962d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro struct mcsetup_cmd_struct __iomem *mc_cmd; 59722bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko struct netdev_hw_addr *ha; 5984cd24eaf0c6ee7f0242e34ee77ec899f255e66b5Jiri Pirko int num_addrs = netdev_mc_count(dev); 5991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6002d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro ptr = p->scb + 1; 6011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6022d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro cfg_cmd = ptr; /* configure-command */ 603a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(0, &cfg_cmd->cmd_status); 604a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(CMD_CONFIGURE | CMD_LAST, &cfg_cmd->cmd_cmd); 605a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(0xFFFF, &cfg_cmd->cmd_link); 606a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox 607a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox /* number of cfg bytes */ 608a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writeb(0x0a, &cfg_cmd->byte_cnt); 609a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox /* fifo-limit (8=tx:32/rx:64) */ 610a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writeb(fifo, &cfg_cmd->fifo); 611a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox /* hold or discard bad recv frames (bit 7) */ 612a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writeb(0x40, &cfg_cmd->sav_bf); 613a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox /* addr_len |!src_insert |pre-len |loopback */ 614a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writeb(0x2e, &cfg_cmd->adr_len); 615a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writeb(0x00, &cfg_cmd->priority); 616a419aef8b858a2bdb98df60336063d28df4b272fJoe Perches writeb(0x60, &cfg_cmd->ifs); 617a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writeb(0x00, &cfg_cmd->time_low); 618a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writeb(0xf2, &cfg_cmd->time_high); 619a419aef8b858a2bdb98df60336063d28df4b272fJoe Perches writeb(0x00, &cfg_cmd->promisc); 620a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (dev->flags & IFF_ALLMULTI) { 6212d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro int len = ((char __iomem *)p->iscp - (char __iomem *)ptr - 8) / 6; 622a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (num_addrs > len) { 623a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_ERR "%s: switching to promisc. mode\n", 624a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox dev->name); 625c16d118537cadb21d186e35aebad90a13cd78846Wang Chen writeb(0x01, &cfg_cmd->promisc); 6261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 628a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (dev->flags & IFF_PROMISC) 629a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writeb(0x01, &cfg_cmd->promisc); 630a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writeb(0x00, &cfg_cmd->carr_coll); 631a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(make16(cfg_cmd), &p->scb->cbl_offset); 63205bd831fcdf4ce08ae5b832cfe03a303245fb135Al Viro writeb(0, &p->scb->cmd_ruc); 6331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 634a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writeb(CUC_START, &p->scb->cmd_cuc); /* cmd.-unit start */ 6351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ni_attn586(); 6361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 637a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox wait_for_stat_compl(cfg_cmd); 6381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 639a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if ((readw(&cfg_cmd->cmd_status) & (STAT_OK|STAT_COMPL)) != 640a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox (STAT_COMPL|STAT_OK)) { 641a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_ERR "%s: configure command failed: %x\n", 642a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox dev->name, readw(&cfg_cmd->cmd_status)); 6431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 6441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 6471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * individual address setup 6481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 6491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6502d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro ias_cmd = ptr; 6511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 652a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(0, &ias_cmd->cmd_status); 653a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(CMD_IASETUP | CMD_LAST, &ias_cmd->cmd_cmd); 654a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(0xffff, &ias_cmd->cmd_link); 6551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6562d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro memcpy_toio(&ias_cmd->iaddr, (char *)dev->dev_addr, ETH_ALEN); 6571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 658a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(make16(ias_cmd), &p->scb->cbl_offset); 6591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 660a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writeb(CUC_START, &p->scb->cmd_cuc); /* cmd.-unit start */ 6611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ni_attn586(); 6621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 663a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox wait_for_stat_compl(ias_cmd); 6641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 665a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if ((readw(&ias_cmd->cmd_status) & (STAT_OK|STAT_COMPL)) != 666a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox (STAT_OK|STAT_COMPL)) { 667a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_ERR "%s (ni52): individual address setup command failed: %04x\n", dev->name, readw(&ias_cmd->cmd_status)); 6681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 6691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 6721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * TDR, wire check .. e.g. no resistor e.t.c 6731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 6746aa20a2235535605db6d6d2bd850298b2fe7f31eJeff Garzik 6752d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro tdr_cmd = ptr; 6761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 677a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(0, &tdr_cmd->cmd_status); 678a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(CMD_TDR | CMD_LAST, &tdr_cmd->cmd_cmd); 679a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(0xffff, &tdr_cmd->cmd_link); 680a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(0, &tdr_cmd->status); 6811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 682a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(make16(tdr_cmd), &p->scb->cbl_offset); 683a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writeb(CUC_START, &p->scb->cmd_cuc); /* cmd.-unit start */ 6841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ni_attn586(); 6851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 686a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox wait_for_stat_compl(tdr_cmd); 6871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 688a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (!(readw(&tdr_cmd->cmd_status) & STAT_COMPL)) 689a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_ERR "%s: Problems while running the TDR.\n", 690a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox dev->name); 691a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox else { 692a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox udelay(16); 693a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox result = readw(&tdr_cmd->status); 694a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writeb(readb(&p->scb->cus) & STAT_MASK, &p->scb->cmd_cuc); 6951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ni_attn586(); /* ack the interrupts */ 6961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 697a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (result & TDR_LNK_OK) 6981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ; 699a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox else if (result & TDR_XCVR_PRB) 700a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_ERR "%s: TDR: Transceiver problem. Check the cable(s)!\n", 701a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox dev->name); 702a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox else if (result & TDR_ET_OPN) 703a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_ERR "%s: TDR: No correct termination %d clocks away.\n", 704a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox dev->name, result & TDR_TIMEMASK); 705a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox else if (result & TDR_ET_SRT) { 706a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox /* time == 0 -> strange :-) */ 707a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (result & TDR_TIMEMASK) 708a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_ERR "%s: TDR: Detected a short circuit %d clocks away.\n", 709a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox dev->name, result & TDR_TIMEMASK); 710a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox } else 711a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_ERR "%s: TDR: Unknown status %04x\n", 712a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox dev->name, result); 7131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 7161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Multicast setup 7171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 718a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (num_addrs && !(dev->flags & IFF_PROMISC)) { 7192d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro mc_cmd = ptr; 720a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(0, &mc_cmd->cmd_status); 721a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(CMD_MCSETUP | CMD_LAST, &mc_cmd->cmd_cmd); 722a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(0xffff, &mc_cmd->cmd_link); 723a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(num_addrs * 6, &mc_cmd->mc_cnt); 7241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 725f9dcbcc9e338d08c0f7de7eba4eaafbbb7f81249Jiri Pirko i = 0; 72622bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko netdev_for_each_mc_addr(ha, dev) 72722bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko memcpy_toio(mc_cmd->mc_list[i++], ha->addr, 6); 7281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 729a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(make16(mc_cmd), &p->scb->cbl_offset); 730a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writeb(CUC_START, &p->scb->cmd_cuc); 7311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ni_attn586(); 7321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 733a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox wait_for_stat_compl(mc_cmd); 7341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 735a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if ((readw(&mc_cmd->cmd_status) & (STAT_COMPL|STAT_OK)) 736a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox != (STAT_COMPL|STAT_OK)) 737a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_ERR "%s: Can't apply multicast-address-list.\n", dev->name); 7381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 7411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * alloc nop/xmit-cmds 7421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 7431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if (NUM_XMIT_BUFFS == 1) 744a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox for (i = 0; i < 2; i++) { 7452d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro p->nop_cmds[i] = ptr; 746a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(CMD_NOP, &p->nop_cmds[i]->cmd_cmd); 747a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(0, &p->nop_cmds[i]->cmd_status); 748a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(make16(p->nop_cmds[i]), &p->nop_cmds[i]->cmd_link); 7492d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro ptr = ptr + sizeof(struct nop_cmd_struct); 7501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 752a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox for (i = 0; i < NUM_XMIT_BUFFS; i++) { 7532d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro p->nop_cmds[i] = ptr; 754a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(CMD_NOP, &p->nop_cmds[i]->cmd_cmd); 755a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(0, &p->nop_cmds[i]->cmd_status); 756a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(make16(p->nop_cmds[i]), &p->nop_cmds[i]->cmd_link); 7572d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro ptr = ptr + sizeof(struct nop_cmd_struct); 7581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 7601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7612d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro ptr = alloc_rfa(dev, ptr); /* init receive-frame-area */ 7621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 7641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * alloc xmit-buffs / init xmit_cmds 7651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 766a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox for (i = 0; i < NUM_XMIT_BUFFS; i++) { 767a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox /* Transmit cmd/buff 0 */ 7682d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro p->xmit_cmds[i] = ptr; 7692d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro ptr = ptr + sizeof(struct transmit_cmd_struct); 7702d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro p->xmit_cbuffs[i] = ptr; /* char-buffs */ 7712d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro ptr = ptr + XMIT_BUFF_SIZE; 7722d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro p->xmit_buffs[i] = ptr; /* TBD */ 7732d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro ptr = ptr + sizeof(struct tbd_struct); 7742d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro if ((void __iomem *)ptr > (void __iomem *)p->iscp) { 775a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_ERR "%s: not enough shared-mem for your configuration!\n", 776a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox dev->name); 7771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 7781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7792d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro memset_io(p->xmit_cmds[i], 0, 780a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox sizeof(struct transmit_cmd_struct)); 7812d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro memset_io(p->xmit_buffs[i], 0, 782a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox sizeof(struct tbd_struct)); 783a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(make16(p->nop_cmds[(i+1)%NUM_XMIT_BUFFS]), 784a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox &p->xmit_cmds[i]->cmd_link); 785a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(STAT_COMPL, &p->xmit_cmds[i]->cmd_status); 786a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(CMD_XMIT|CMD_INT, &p->xmit_cmds[i]->cmd_cmd); 787a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(make16(p->xmit_buffs[i]), &p->xmit_cmds[i]->tbd_offset); 788a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(0xffff, &p->xmit_buffs[i]->next); 789a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writel(make24(p->xmit_cbuffs[i]), &p->xmit_buffs[i]->buffer); 7901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p->xmit_count = 0; 7931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p->xmit_last = 0; 7941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifndef NO_NOPCOMMANDS 7951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p->nop_point = 0; 7961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 7971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 7991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 'start transmitter' 8001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 8011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifndef NO_NOPCOMMANDS 802a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(make16(p->nop_cmds[0]), &p->scb->cbl_offset); 803a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writeb(CUC_START, &p->scb->cmd_cuc); 8041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ni_attn586(); 805a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox wait_for_scb_cmd(dev); 8061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 807a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(make16(p->xmit_cmds[0]), &p->xmit_cmds[0]->cmd_link); 808a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(CMD_XMIT | CMD_SUSPEND | CMD_INT, &p->xmit_cmds[0]->cmd_cmd); 8091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 8101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 8121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ack. interrupts 8131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 814a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writeb(readb(&p->scb->cus) & STAT_MASK, &p->scb->cmd_cuc); 8151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ni_attn586(); 816a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox udelay(16); 8171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ni_enaint(); 8191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 8211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/****************************************************** 8241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This is a helper routine for ni52_rnr_int() and init586(). 8251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * It sets up the Receive Frame Area (RFA). 8261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 8271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8282d76c267e90aafef72df1318b49cb8f43a59ac94Al Virostatic void __iomem *alloc_rfa(struct net_device *dev, void __iomem *ptr) 8291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 8302d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro struct rfd_struct __iomem *rfd = ptr; 8312d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro struct rbd_struct __iomem *rbd; 8321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 8334cf1653aa90c6320dc8032443b5e322820aa28b1Wang Chen struct priv *p = netdev_priv(dev); 8341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8352d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro memset_io(rfd, 0, 836a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox sizeof(struct rfd_struct) * (p->num_recv_buffs + rfdadd)); 8371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p->rfd_first = rfd; 8381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 839a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox for (i = 0; i < (p->num_recv_buffs + rfdadd); i++) { 840a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(make16(rfd + (i+1) % (p->num_recv_buffs+rfdadd)), 841a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox &rfd[i].next); 842a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(0xffff, &rfd[i].rbd_offset); 8431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 844a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox /* RU suspend */ 845a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writeb(RFD_SUSP, &rfd[p->num_recv_buffs-1+rfdadd].last); 8461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8472d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro ptr = rfd + (p->num_recv_buffs + rfdadd); 8481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8492d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro rbd = ptr; 8502d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro ptr = rbd + p->num_recv_buffs; 8511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* clr descriptors */ 8532d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro memset_io(rbd, 0, sizeof(struct rbd_struct) * (p->num_recv_buffs)); 8541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 855a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox for (i = 0; i < p->num_recv_buffs; i++) { 856a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(make16(rbd + (i+1) % p->num_recv_buffs), &rbd[i].next); 857a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(RECV_BUFF_SIZE, &rbd[i].size); 858a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writel(make24(ptr), &rbd[i].buffer); 8592d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro ptr = ptr + RECV_BUFF_SIZE; 8601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p->rfd_top = p->rfd_first; 8621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p->rfd_last = p->rfd_first + (p->num_recv_buffs - 1 + rfdadd); 8631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 864a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(make16(p->rfd_first), &p->scb->rfa_offset); 865a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(make16(rbd), &p->rfd_first->rbd_offset); 8661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return ptr; 8681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/************************************************** 8721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Interrupt Handler ... 8731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 8741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 875a197f6938db43b5ef464242f707233d3bd8842ebAlan Coxstatic irqreturn_t ni52_interrupt(int irq, void *dev_id) 8761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 8771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct net_device *dev = dev_id; 878a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox unsigned int stat; 879a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox int cnt = 0; 8801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct priv *p; 8811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8824cf1653aa90c6320dc8032443b5e322820aa28b1Wang Chen p = netdev_priv(dev); 8831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 884a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (debuglevel > 1) 8851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("I"); 8861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 887a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox spin_lock(&p->spinlock); 8881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 889a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox wait_for_scb_cmd(dev); /* wait for last command */ 890a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox 891a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox while ((stat = readb(&p->scb->cus) & STAT_MASK)) { 892a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writeb(stat, &p->scb->cmd_cuc); 8931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ni_attn586(); 8941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 895a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (stat & STAT_FR) /* received a frame */ 8961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ni52_rcv_int(dev); 8971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 898a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (stat & STAT_RNR) { /* RU went 'not ready' */ 8991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("(R)"); 900a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (readb(&p->scb->rus) & RU_SUSPEND) { 901a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox /* special case: RU_SUSPEND */ 902a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox wait_for_scb_cmd(dev); 90305bd831fcdf4ce08ae5b832cfe03a303245fb135Al Viro writeb(RUC_RESUME, &p->scb->cmd_ruc); 9041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ni_attn586(); 905a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox wait_for_scb_cmd_ruc(dev); 906a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox } else { 907a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_ERR "%s: Receiver-Unit went 'NOT READY': %04x/%02x.\n", 908a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox dev->name, stat, readb(&p->scb->rus)); 9091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ni52_rnr_int(dev); 9101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 913a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox /* Command with I-bit set complete */ 914a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (stat & STAT_CX) 9151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ni52_xmt_int(dev); 9161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifndef NO_NOPCOMMANDS 918a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (stat & STAT_CNA) { /* CU went 'not ready' */ 919a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (netif_running(dev)) 920a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_ERR "%s: oops! CU has left active state. stat: %04x/%02x.\n", 921a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox dev->name, stat, readb(&p->scb->cus)); 9221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 9241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 925a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (debuglevel > 1) 926a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk("%d", cnt++); 9271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 928a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox /* Wait for ack. (ni52_xmt_int can be faster than ack!!) */ 929a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox wait_for_scb_cmd(dev); 93005bd831fcdf4ce08ae5b832cfe03a303245fb135Al Viro if (readb(&p->scb->cmd_cuc)) { /* timed out? */ 931a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_ERR "%s: Acknowledge timed out.\n", 932a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox dev->name); 9331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ni_disint(); 9341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 9351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 937a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox spin_unlock(&p->spinlock); 9381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 939a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (debuglevel > 1) 9401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("i"); 9411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return IRQ_HANDLED; 9421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 9431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/******************************************************* 9451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * receive-interrupt 9461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 9471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ni52_rcv_int(struct net_device *dev) 9491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 950a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox int status, cnt = 0; 9511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned short totlen; 9521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sk_buff *skb; 9532d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro struct rbd_struct __iomem *rbd; 9544cf1653aa90c6320dc8032443b5e322820aa28b1Wang Chen struct priv *p = netdev_priv(dev); 9551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 956a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (debuglevel > 0) 9571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("R"); 9581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 959a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox for (; (status = readb(&p->rfd_top->stat_high)) & RFD_COMPL;) { 96005bd831fcdf4ce08ae5b832cfe03a303245fb135Al Viro rbd = make32(readw(&p->rfd_top->rbd_offset)); 961a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (status & RFD_OK) { /* frame received without error? */ 962a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox totlen = readw(&rbd->status); 963a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (totlen & RBD_LAST) { 964a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox /* the first and the last buffer? */ 965a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox totlen &= RBD_MASK; /* length of this frame */ 966a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(0x00, &rbd->status); 967c056b734e54e12f38f34a2583a4824e6cecc16c1Pradeep A Dalvi skb = netdev_alloc_skb(dev, totlen + 2); 968a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (skb != NULL) { 969a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox skb_reserve(skb, 2); 970a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox skb_put(skb, totlen); 97105bd831fcdf4ce08ae5b832cfe03a303245fb135Al Viro memcpy_fromio(skb->data, p->base + readl(&rbd->buffer), totlen); 972a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox skb->protocol = eth_type_trans(skb, dev); 973a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox netif_rx(skb); 9744265e669ccafec0246f0bc45b7f461ff18da5acdKulikov Vasiliy dev->stats.rx_packets++; 9754265e669ccafec0246f0bc45b7f461ff18da5acdKulikov Vasiliy dev->stats.rx_bytes += totlen; 976a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox } else 9774265e669ccafec0246f0bc45b7f461ff18da5acdKulikov Vasiliy dev->stats.rx_dropped++; 978a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox } else { 979a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox int rstat; 980a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox /* free all RBD's until RBD_LAST is set */ 981a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox totlen = 0; 982a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox while (!((rstat = readw(&rbd->status)) & RBD_LAST)) { 983a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox totlen += rstat & RBD_MASK; 984a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (!rstat) { 985a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_ERR "%s: Whoops .. no end mark in RBD list\n", dev->name); 986a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox break; 9871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 988a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(0, &rbd->status); 98905bd831fcdf4ce08ae5b832cfe03a303245fb135Al Viro rbd = make32(readw(&rbd->next)); 9901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 991a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox totlen += rstat & RBD_MASK; 992a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(0, &rbd->status); 993a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_ERR "%s: received oversized frame! length: %d\n", 994a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox dev->name, totlen); 9954265e669ccafec0246f0bc45b7f461ff18da5acdKulikov Vasiliy dev->stats.rx_dropped++; 9961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 997a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox } else {/* frame !(ok), only with 'save-bad-frames' */ 998a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_ERR "%s: oops! rfd-error-status: %04x\n", 999a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox dev->name, status); 10004265e669ccafec0246f0bc45b7f461ff18da5acdKulikov Vasiliy dev->stats.rx_errors++; 10011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1002a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writeb(0, &p->rfd_top->stat_high); 1003a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writeb(RFD_SUSP, &p->rfd_top->last); /* maybe exchange by RFD_LAST */ 1004a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(0xffff, &p->rfd_top->rbd_offset); 1005a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writeb(0, &p->rfd_last->last); /* delete RFD_SUSP */ 10061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p->rfd_last = p->rfd_top; 100705bd831fcdf4ce08ae5b832cfe03a303245fb135Al Viro p->rfd_top = make32(readw(&p->rfd_top->next)); /* step to next RFD */ 1008a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(make16(p->rfd_top), &p->scb->rfa_offset); 10091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1010a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (debuglevel > 0) 1011a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk("%d", cnt++); 10121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 10131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1014a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (automatic_resume) { 1015a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox wait_for_scb_cmd(dev); 1016a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writeb(RUC_RESUME, &p->scb->cmd_ruc); 10171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ni_attn586(); 1018a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox wait_for_scb_cmd_ruc(dev); 10191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 10201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef WAIT_4_BUSY 10221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 10231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 1024a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox for (i = 0; i < 1024; i++) { 1025a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (p->rfd_top->status) 10261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 1027a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox udelay(16); 1028a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (i == 1023) 1029a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_ERR "%s: RU hasn't fetched next RFD (not busy/complete)\n", dev->name); 10301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 10311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 10321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 1033a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (debuglevel > 0) 10341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("r"); 10351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 10361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/********************************************************** 10381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * handle 'Receiver went not ready'. 10391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 10401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ni52_rnr_int(struct net_device *dev) 10421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 10434cf1653aa90c6320dc8032443b5e322820aa28b1Wang Chen struct priv *p = netdev_priv(dev); 10441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10454265e669ccafec0246f0bc45b7f461ff18da5acdKulikov Vasiliy dev->stats.rx_errors++; 10461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1047a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox wait_for_scb_cmd(dev); /* wait for the last cmd, WAIT_4_FULLSTAT?? */ 1048a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writeb(RUC_ABORT, &p->scb->cmd_ruc); /* usually the RU is in the 'no resource'-state .. abort it now. */ 10491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ni_attn586(); 1050a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox wait_for_scb_cmd_ruc(dev); /* wait for accept cmd. */ 10511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10522d76c267e90aafef72df1318b49cb8f43a59ac94Al Viro alloc_rfa(dev, p->rfd_first); 1053a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox /* maybe add a check here, before restarting the RU */ 10541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds startrecv586(dev); /* restart RU */ 10551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 105605bd831fcdf4ce08ae5b832cfe03a303245fb135Al Viro printk(KERN_ERR "%s: Receive-Unit restarted. Status: %04x\n", 105705bd831fcdf4ce08ae5b832cfe03a303245fb135Al Viro dev->name, readb(&p->scb->rus)); 10581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 10601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/********************************************************** 10621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * handle xmit - interrupt 10631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 10641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ni52_xmt_int(struct net_device *dev) 10661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 10671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int status; 10684cf1653aa90c6320dc8032443b5e322820aa28b1Wang Chen struct priv *p = netdev_priv(dev); 10691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1070a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (debuglevel > 0) 10711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("X"); 10721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1073a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox status = readw(&p->xmit_cmds[p->xmit_last]->cmd_status); 1074a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (!(status & STAT_COMPL)) 1075a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_ERR "%s: strange .. xmit-int without a 'COMPLETE'\n", dev->name); 10761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1077a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (status & STAT_OK) { 10784265e669ccafec0246f0bc45b7f461ff18da5acdKulikov Vasiliy dev->stats.tx_packets++; 10794265e669ccafec0246f0bc45b7f461ff18da5acdKulikov Vasiliy dev->stats.collisions += (status & TCMD_MAXCOLLMASK); 1080a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox } else { 10814265e669ccafec0246f0bc45b7f461ff18da5acdKulikov Vasiliy dev->stats.tx_errors++; 1082a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (status & TCMD_LATECOLL) { 1083a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_ERR "%s: late collision detected.\n", 1084a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox dev->name); 10854265e669ccafec0246f0bc45b7f461ff18da5acdKulikov Vasiliy dev->stats.collisions++; 1086a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox } else if (status & TCMD_NOCARRIER) { 10874265e669ccafec0246f0bc45b7f461ff18da5acdKulikov Vasiliy dev->stats.tx_carrier_errors++; 1088a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_ERR "%s: no carrier detected.\n", 1089a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox dev->name); 1090a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox } else if (status & TCMD_LOSTCTS) 1091a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_ERR "%s: loss of CTS detected.\n", 1092a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox dev->name); 1093a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox else if (status & TCMD_UNDERRUN) { 10944265e669ccafec0246f0bc45b7f461ff18da5acdKulikov Vasiliy dev->stats.tx_fifo_errors++; 1095a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_ERR "%s: DMA underrun detected.\n", 1096a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox dev->name); 1097a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox } else if (status & TCMD_MAXCOLL) { 1098a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_ERR "%s: Max. collisions exceeded.\n", 1099a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox dev->name); 11004265e669ccafec0246f0bc45b7f461ff18da5acdKulikov Vasiliy dev->stats.collisions += 16; 11011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 11021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 11031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if (NUM_XMIT_BUFFS > 1) 1104a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if ((++p->xmit_last) == NUM_XMIT_BUFFS) 11051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p->xmit_last = 0; 11061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 11071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds netif_wake_queue(dev); 11081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 11091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/*********************************************************** 11111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * (re)start the receiver 11121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 11131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void startrecv586(struct net_device *dev) 11151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 11164cf1653aa90c6320dc8032443b5e322820aa28b1Wang Chen struct priv *p = netdev_priv(dev); 11171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1118a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox wait_for_scb_cmd(dev); 1119a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox wait_for_scb_cmd_ruc(dev); 1120a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(make16(p->rfd_first), &p->scb->rfa_offset); 1121a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writeb(RUC_START, &p->scb->cmd_ruc); 11221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ni_attn586(); /* start cmd. */ 1123a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox wait_for_scb_cmd_ruc(dev); 1124a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox /* wait for accept cmd. (no timeout!!) */ 11251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 11261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ni52_timeout(struct net_device *dev) 11281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 11294cf1653aa90c6320dc8032443b5e322820aa28b1Wang Chen struct priv *p = netdev_priv(dev); 11301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifndef NO_NOPCOMMANDS 1131a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (readb(&p->scb->cus) & CU_ACTIVE) { /* COMMAND-UNIT active? */ 11321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds netif_wake_queue(dev); 11331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef DEBUG 1134a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_ERR "%s: strange ... timeout with CU active?!?\n", 1135a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox dev->name); 1136a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_ERR "%s: X0: %04x N0: %04x N1: %04x %d\n", 1137a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox dev->name, (int)p->xmit_cmds[0]->cmd_status, 1138a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox readw(&p->nop_cmds[0]->cmd_status), 1139a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox readw(&p->nop_cmds[1]->cmd_status), 1140a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox p->nop_point); 11411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 1142a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writeb(CUC_ABORT, &p->scb->cmd_cuc); 11431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ni_attn586(); 1144a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox wait_for_scb_cmd(dev); 1145a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(make16(p->nop_cmds[p->nop_point]), &p->scb->cbl_offset); 1146a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writeb(CUC_START, &p->scb->cmd_cuc); 11471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ni_attn586(); 1148a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox wait_for_scb_cmd(dev); 11491ae5dc342ac78d7a42965fd1f323815f6f5ef2c1Eric Dumazet dev->trans_start = jiffies; /* prevent tx timeout */ 11501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 11511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 11521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 11531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 11541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef DEBUG 1155a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_ERR "%s: xmitter timed out, try to restart! stat: %02x\n", 1156a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox dev->name, readb(&p->scb->cus)); 1157a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_ERR "%s: command-stats: %04x %04x\n", 1158a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox dev->name, 1159a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox readw(&p->xmit_cmds[0]->cmd_status), 1160a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox readw(&p->xmit_cmds[1]->cmd_status)); 1161a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_ERR "%s: check, whether you set the right interrupt number!\n", 1162a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox dev->name); 11631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 11641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ni52_close(dev); 11651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ni52_open(dev); 11661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 11671ae5dc342ac78d7a42965fd1f323815f6f5ef2c1Eric Dumazet dev->trans_start = jiffies; /* prevent tx timeout */ 11681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 11691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/****************************************************** 11711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * send frame 11721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 11731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 117461357325f377889a1daffa14962d705dc814dd0eStephen Hemmingerstatic netdev_tx_t ni52_send_packet(struct sk_buff *skb, 117561357325f377889a1daffa14962d705dc814dd0eStephen Hemminger struct net_device *dev) 11761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1177a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox int len, i; 11781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifndef NO_NOPCOMMANDS 11791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int next_nop; 11801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 11814cf1653aa90c6320dc8032443b5e322820aa28b1Wang Chen struct priv *p = netdev_priv(dev); 11821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1183a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (skb->len > XMIT_BUFF_SIZE) { 1184a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_ERR "%s: Sorry, max. framelength is %d bytes. The length of your frame is %d bytes.\n", dev->name, XMIT_BUFF_SIZE, skb->len); 1185ec634fe328182a1a098585bfc7b69e5042bdb08dPatrick McHardy return NETDEV_TX_OK; 11861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 11871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds netif_stop_queue(dev); 11891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 119005bd831fcdf4ce08ae5b832cfe03a303245fb135Al Viro memcpy_toio(p->xmit_cbuffs[p->xmit_count], skb->data, skb->len); 1191a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox len = skb->len; 1192a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (len < ETH_ZLEN) { 1193a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox len = ETH_ZLEN; 119405bd831fcdf4ce08ae5b832cfe03a303245fb135Al Viro memset_io(p->xmit_cbuffs[p->xmit_count]+skb->len, 0, 1195a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox len - skb->len); 11961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 11971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if (NUM_XMIT_BUFFS == 1) 11991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# ifdef NO_NOPCOMMANDS 12001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef DEBUG 120205bd831fcdf4ce08ae5b832cfe03a303245fb135Al Viro if (readb(&p->scb->cus) & CU_ACTIVE) { 1203a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_ERR "%s: Hmmm .. CU is still running and we wanna send a new packet.\n", dev->name); 1204a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_ERR "%s: stat: %04x %04x\n", 1205a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox dev->name, readb(&p->scb->cus), 1206a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox readw(&p->xmit_cmds[0]->cmd_status)); 1207a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox } 12081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 120905bd831fcdf4ce08ae5b832cfe03a303245fb135Al Viro writew(TBD_LAST | len, &p->xmit_buffs[0]->size); 1210a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox for (i = 0; i < 16; i++) { 1211a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(0, &p->xmit_cmds[0]->cmd_status); 1212a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox wait_for_scb_cmd(dev); 1213a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if ((readb(&p->scb->cus) & CU_STATUS) == CU_SUSPEND) 1214a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writeb(CUC_RESUME, &p->scb->cmd_cuc); 1215a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox else { 1216a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(make16(p->xmit_cmds[0]), &p->scb->cbl_offset); 1217a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writeb(CUC_START, &p->scb->cmd_cuc); 12181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1219a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox ni_attn586(); 1220a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (!i) 1221a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox dev_kfree_skb(skb); 1222a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox wait_for_scb_cmd(dev); 1223a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox /* test it, because CU sometimes doesn't start immediately */ 1224a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (readb(&p->scb->cus) & CU_ACTIVE) 1225a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox break; 1226a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (readw(&p->xmit_cmds[0]->cmd_status)) 1227a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox break; 1228a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (i == 15) 1229a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_WARNING "%s: Can't start transmit-command.\n", dev->name); 1230a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox } 1231a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox# else 1232a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox next_nop = (p->nop_point + 1) & 0x1; 1233a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(TBD_LAST | len, &p->xmit_buffs[0]->size); 1234a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(make16(p->nop_cmds[next_nop]), &p->xmit_cmds[0]->cmd_link); 1235a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(make16(p->nop_cmds[next_nop]), 1236a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox &p->nop_cmds[next_nop]->cmd_link); 1237a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(0, &p->xmit_cmds[0]->cmd_status); 1238a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(0, &p->nop_cmds[next_nop]->cmd_status); 1239a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox 1240a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(make16(p->xmit_cmds[0]), &p->nop_cmds[p->nop_point]->cmd_link); 1241a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox p->nop_point = next_nop; 1242a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox dev_kfree_skb(skb); 12431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# endif 12441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 1245a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(TBD_LAST | len, &p->xmit_buffs[p->xmit_count]->size); 1246a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox next_nop = p->xmit_count + 1 1247a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (next_nop == NUM_XMIT_BUFFS) 1248a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox next_nop = 0; 1249a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(0, &p->xmit_cmds[p->xmit_count]->cmd_status); 1250a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox /* linkpointer of xmit-command already points to next nop cmd */ 1251a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(make16(p->nop_cmds[next_nop]), 1252a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox &p->nop_cmds[next_nop]->cmd_link); 1253a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(0, &p->nop_cmds[next_nop]->cmd_status); 1254a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(make16(p->xmit_cmds[p->xmit_count]), 1255a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox &p->nop_cmds[p->xmit_count]->cmd_link); 1256a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox p->xmit_count = next_nop; 1257a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox { 1258a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox unsigned long flags; 1259a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox spin_lock_irqsave(&p->spinlock); 1260a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (p->xmit_count != p->xmit_last) 1261a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox netif_wake_queue(dev); 1262a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox spin_unlock_irqrestore(&p->spinlock); 12631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1264a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox dev_kfree_skb(skb); 1265a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox#endif 1266ec634fe328182a1a098585bfc7b69e5042bdb08dPatrick McHardy return NETDEV_TX_OK; 12671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 12681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/******************************************* 12701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Someone wanna have the statistics 12711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 12721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct net_device_stats *ni52_get_stats(struct net_device *dev) 12741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 12754cf1653aa90c6320dc8032443b5e322820aa28b1Wang Chen struct priv *p = netdev_priv(dev); 1276a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox unsigned short crc, aln, rsc, ovrn; 1277a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox 1278a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox /* Get error-statistics from the ni82586 */ 1279a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox crc = readw(&p->scb->crc_errs); 1280a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(0, &p->scb->crc_errs); 1281a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox aln = readw(&p->scb->aln_errs); 1282a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(0, &p->scb->aln_errs); 1283a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox rsc = readw(&p->scb->rsc_errs); 1284a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(0, &p->scb->rsc_errs); 1285a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox ovrn = readw(&p->scb->ovrn_errs); 1286a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox writew(0, &p->scb->ovrn_errs); 12871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12884265e669ccafec0246f0bc45b7f461ff18da5acdKulikov Vasiliy dev->stats.rx_crc_errors += crc; 12894265e669ccafec0246f0bc45b7f461ff18da5acdKulikov Vasiliy dev->stats.rx_fifo_errors += ovrn; 12904265e669ccafec0246f0bc45b7f461ff18da5acdKulikov Vasiliy dev->stats.rx_frame_errors += aln; 12914265e669ccafec0246f0bc45b7f461ff18da5acdKulikov Vasiliy dev->stats.rx_dropped += rsc; 12921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12934265e669ccafec0246f0bc45b7f461ff18da5acdKulikov Vasiliy return &dev->stats; 12941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 12951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/******************************************************** 12971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Set MC list .. 12981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 12991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void set_multicast_list(struct net_device *dev) 13011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 13021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds netif_stop_queue(dev); 13031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ni_disint(); 13041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds alloc586(dev); 13051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds init586(dev); 13061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds startrecv586(dev); 13071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ni_enaint(); 13081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds netif_wake_queue(dev); 13091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 13101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef MODULE 13121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct net_device *dev_ni52; 13131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_param(io, int, 0); 13151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_param(irq, int, 0); 13161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_param(memstart, long, 0); 13171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_param(memend, long, 0); 13181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_PARM_DESC(io, "NI5210 I/O base address,required"); 13191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_PARM_DESC(irq, "NI5210 IRQ number,required"); 13201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_PARM_DESC(memstart, "NI5210 memory base address,required"); 13211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_PARM_DESC(memend, "NI5210 memory end address,required"); 13221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 132319a8664d8a05f75cab3cd4eb8022d22d3f0c53c3Andrew Mortonint __init init_module(void) 13241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1325a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox if (io <= 0x0 || !memend || !memstart || irq < 2) { 1326a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_ERR "ni52: Autoprobing not allowed for modules.\n"); 1327a197f6938db43b5ef464242f707233d3bd8842ebAlan Cox printk(KERN_ERR "ni52: Set symbols 'io' 'irq' 'memstart' and 'memend'\n"); 13281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENODEV; 13291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 13301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_ni52 = ni52_probe(-1); 13311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (IS_ERR(dev_ni52)) 13321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return PTR_ERR(dev_ni52); 13331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 13341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 13351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1336afc8eb46c0ea2cab8bc28713b2e0614f015a7516Al Virovoid __exit cleanup_module(void) 13371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 13384cf1653aa90c6320dc8032443b5e322820aa28b1Wang Chen struct priv *p = netdev_priv(dev_ni52); 13391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unregister_netdev(dev_ni52); 1340176f65f3efb55723518d018c8020867f44d05147Al Viro iounmap(p->mapped); 13411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds release_region(dev_ni52->base_addr, NI52_TOTAL_SIZE); 13421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds free_netdev(dev_ni52); 13431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 13441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif /* MODULE */ 13451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_LICENSE("GPL"); 1347