X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fnet%2Fmyri_sbus.c;h=ee26ef52289f38259dbddf7ee39f8c8da981c61d;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=6c86dca62e2a565b6d611178d3894ee7120d9874;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git diff --git a/drivers/net/myri_sbus.c b/drivers/net/myri_sbus.c index 6c86dca62..ee26ef522 100644 --- a/drivers/net/myri_sbus.c +++ b/drivers/net/myri_sbus.c @@ -1,13 +1,12 @@ -/* myri_sbus.h: MyriCOM MyriNET SBUS card driver. +/* myri_sbus.c: MyriCOM MyriNET SBUS card driver. * - * Copyright (C) 1996, 1999 David S. Miller (davem@redhat.com) + * Copyright (C) 1996, 1999, 2006 David S. Miller (davem@davemloft.net) */ static char version[] = - "myri_sbus.c:v1.9 12/Sep/99 David S. Miller (davem@redhat.com)\n"; + "myri_sbus.c:v2.0 June 23, 2006 David S. Miller (davem@davemloft.net)\n"; #include -#include #include #include #include @@ -40,7 +39,6 @@ static char version[] = #include #include #include -#include #include "myri_sbus.h" #include "myri_code.h" @@ -81,10 +79,6 @@ static char version[] = #define DHDR(x) #endif -#ifdef MODULE -static struct myri_eth *root_myri_dev; -#endif - static void myri_reset_off(void __iomem *lp, void __iomem *cregs) { /* Clear IRQ mask. */ @@ -173,7 +167,7 @@ static int myri_do_handshake(struct myri_eth *mp) return 0; } -static int myri_load_lanai(struct myri_eth *mp) +static int __devinit myri_load_lanai(struct myri_eth *mp) { struct net_device *dev = mp->dev; struct myri_shmem __iomem *shmem = mp->shmem; @@ -365,7 +359,7 @@ static void myri_tx(struct myri_eth *mp, struct net_device *dev) mp->tx_old = entry; } -/* Determine the packet's protocol ID. The rule here is that we +/* Determine the packet's protocol ID. The rule here is that we * assume 802.3 if the type field is short enough to be a length. * This is normal practice and works for any 'now in use' protocol. */ @@ -373,11 +367,11 @@ static __be16 myri_type_trans(struct sk_buff *skb, struct net_device *dev) { struct ethhdr *eth; unsigned char *rawp; - + skb->mac.raw = (((unsigned char *)skb->data) + MYRI_PAD_LEN); skb_pull(skb, dev->hard_header_len); eth = eth_hdr(skb); - + #ifdef DEBUG_HEADER DHDR(("myri_type_trans: ")); dump_ehdr(eth); @@ -391,12 +385,12 @@ static __be16 myri_type_trans(struct sk_buff *skb, struct net_device *dev) if (memcmp(eth->h_dest, dev->dev_addr, ETH_ALEN)) skb->pkt_type = PACKET_OTHERHOST; } - + if (ntohs(eth->h_proto) >= 1536) return eth->h_proto; - + rawp = skb->data; - + /* This is a magic hack to spot IPX packets. Older Novell breaks * the protocol design and runs IPX over 802.3 without an 802.2 LLC * layer. We look for FFFF which isn't a used 802.2 SSAP/DSAP. This @@ -404,7 +398,7 @@ static __be16 myri_type_trans(struct sk_buff *skb, struct net_device *dev) */ if (*(unsigned short *)rawp == 0xFFFF) return htons(ETH_P_802_3); - + /* Real 802.2 LLC */ return htons(ETH_P_802_2); } @@ -541,7 +535,7 @@ static void myri_rx(struct myri_eth *mp, struct net_device *dev) } } -static irqreturn_t myri_interrupt(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t myri_interrupt(int irq, void *dev_id) { struct net_device *dev = (struct net_device *) dev_id; struct myri_eth *mp = (struct myri_eth *) dev->priv; @@ -683,7 +677,7 @@ static int myri_start_xmit(struct sk_buff *skb, struct net_device *dev) return 0; } -/* Create the MyriNet MAC header for an arbitrary protocol layer +/* Create the MyriNet MAC header for an arbitrary protocol layer * * saddr=NULL means use device source address * daddr=NULL means leave destination address (eg unresolved arp) @@ -706,7 +700,7 @@ static int myri_header(struct sk_buff *skb, struct net_device *dev, unsigned sho /* Set the protocol type. For a packet of type ETH_P_802_3 we put the length * in here instead. It is up to the 802.2 layer to carry protocol information. */ - if (type != ETH_P_802_3) + if (type != ETH_P_802_3) eth->h_proto = htons(type); else eth->h_proto = htons(len); @@ -724,7 +718,7 @@ static int myri_header(struct sk_buff *skb, struct net_device *dev, unsigned sho eth->h_dest[i] = 0; return(dev->hard_header_len); } - + if (daddr) { memcpy(eth->h_dest, daddr, dev->addr_len); return dev->hard_header_len; @@ -759,16 +753,16 @@ static int myri_rebuild_header(struct sk_buff *skb) #endif default: - printk(KERN_DEBUG - "%s: unable to resolve type %X addresses.\n", + printk(KERN_DEBUG + "%s: unable to resolve type %X addresses.\n", dev->name, (int)eth->h_proto); - + memcpy(eth->h_source, dev->dev_addr, dev->addr_len); return 0; break; } - return 0; + return 0; } int myri_header_cache(struct neighbour *neigh, struct hh_cache *hh) @@ -896,8 +890,9 @@ static void dump_eeprom(struct myri_eth *mp) } #endif -static int __init myri_ether_init(struct sbus_dev *sdev, int num) +static int __devinit myri_ether_init(struct sbus_dev *sdev) { + static int num; static unsigned version_printed; struct net_device *dev; struct myri_eth *mp; @@ -913,6 +908,9 @@ static int __init myri_ether_init(struct sbus_dev *sdev, int num) if (version_printed++ == 0) printk(version); + SET_MODULE_OWNER(dev); + SET_NETDEV_DEV(dev, &sdev->ofdev.dev); + mp = (struct myri_eth *) dev->priv; spin_lock_init(&mp->irq_lock); mp->myri_sdev = sdev; @@ -1070,7 +1068,7 @@ static int __init myri_ether_init(struct sbus_dev *sdev, int num) /* Register interrupt handler now. */ DET(("Requesting MYRIcom IRQ line.\n")); if (request_irq(dev->irq, &myri_interrupt, - SA_SHIRQ, "MyriCOM Ethernet", (void *) dev)) { + IRQF_SHARED, "MyriCOM Ethernet", (void *) dev)) { printk("MyriCOM: Cannot register interrupt handler.\n"); goto err; } @@ -1092,10 +1090,9 @@ static int __init myri_ether_init(struct sbus_dev *sdev, int num) goto err_free_irq; } -#ifdef MODULE - mp->next_module = root_myri_dev; - root_myri_dev = mp; -#endif + dev_set_drvdata(&sdev->ofdev.dev, mp); + + num++; printk("%s: MyriCOM MyriNET Ethernet ", dev->name); @@ -1114,61 +1111,68 @@ err: return -ENODEV; } -static int __init myri_sbus_match(struct sbus_dev *sdev) -{ - char *name = sdev->prom_name; - if (!strcmp(name, "MYRICOM,mlanai") || - !strcmp(name, "myri")) - return 1; +static int __devinit myri_sbus_probe(struct of_device *dev, const struct of_device_id *match) +{ + struct sbus_dev *sdev = to_sbus_device(&dev->dev); - return 0; + return myri_ether_init(sdev); } -static int __init myri_sbus_probe(void) +static int __devexit myri_sbus_remove(struct of_device *dev) { - struct sbus_bus *bus; - struct sbus_dev *sdev = NULL; - static int called; - int cards = 0, v; + struct myri_eth *mp = dev_get_drvdata(&dev->dev); + struct net_device *net_dev = mp->dev; -#ifdef MODULE - root_myri_dev = NULL; -#endif + unregister_netdevice(net_dev); - if (called) - return -ENODEV; - called++; - - for_each_sbus(bus) { - for_each_sbusdev(sdev, bus) { - if (myri_sbus_match(sdev)) { - cards++; - DET(("Found myricom myrinet as %s\n", sdev->prom_name)); - if ((v = myri_ether_init(sdev, (cards - 1)))) - return v; - } - } + free_irq(net_dev->irq, net_dev); + + if (mp->eeprom.cpuvers < CPUVERS_4_0) { + sbus_iounmap(mp->regs, mp->reg_size); + } else { + sbus_iounmap(mp->cregs, PAGE_SIZE); + sbus_iounmap(mp->lregs, (256 * 1024)); + sbus_iounmap(mp->lanai, (512 * 1024)); } - if (!cards) - return -ENODEV; + + free_netdev(net_dev); + + dev_set_drvdata(&dev->dev, NULL); + return 0; } -static void __exit myri_sbus_cleanup(void) +static struct of_device_id myri_sbus_match[] = { + { + .name = "MYRICOM,mlanai", + }, + { + .name = "myri", + }, + {}, +}; + +MODULE_DEVICE_TABLE(of, myri_sbus_match); + +static struct of_platform_driver myri_sbus_driver = { + .name = "myri", + .match_table = myri_sbus_match, + .probe = myri_sbus_probe, + .remove = __devexit_p(myri_sbus_remove), +}; + +static int __init myri_sbus_init(void) +{ + return of_register_driver(&myri_sbus_driver, &sbus_bus_type); +} + +static void __exit myri_sbus_exit(void) { -#ifdef MODULE - while (root_myri_dev) { - struct myri_eth *next = root_myri_dev->next_module; - - unregister_netdev(root_myri_dev->dev); - /* this will also free the co-allocated 'root_myri_dev' */ - free_netdev(root_myri_dev->dev); - root_myri_dev = next; - } -#endif /* MODULE */ + of_unregister_driver(&myri_sbus_driver); } -module_init(myri_sbus_probe); -module_exit(myri_sbus_cleanup); +module_init(myri_sbus_init); +module_exit(myri_sbus_exit); + MODULE_LICENSE("GPL");