diff options
Diffstat (limited to 'drivers/net/wireless/airo.c')
-rw-r--r-- | drivers/net/wireless/airo.c | 211 |
1 files changed, 107 insertions, 104 deletions
diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c index 2d3a180dada..ee1cc14db38 100644 --- a/drivers/net/wireless/airo.c +++ b/drivers/net/wireless/airo.c @@ -52,6 +52,8 @@ #include "airo.h" +#define DRV_NAME "airo" + #ifdef CONFIG_PCI static struct pci_device_id card_ids[] = { { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, }, @@ -71,7 +73,7 @@ static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state); static int airo_pci_resume(struct pci_dev *pdev); static struct pci_driver airo_driver = { - .name = "airo", + .name = DRV_NAME, .id_table = card_ids, .probe = airo_pci_probe, .remove = __devexit_p(airo_pci_remove), @@ -1092,7 +1094,7 @@ static int get_dec_u16( char *buffer, int *start, int limit ); static void OUT4500( struct airo_info *, u16 register, u16 value ); static unsigned short IN4500( struct airo_info *, u16 register ); static u16 setup_card(struct airo_info*, u8 *mac, int lock); -static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock ); +static int enable_MAC(struct airo_info *ai, int lock); static void disable_MAC(struct airo_info *ai, int lock); static void enable_interrupts(struct airo_info*); static void disable_interrupts(struct airo_info*); @@ -1250,7 +1252,7 @@ static int flashputbuf(struct airo_info *ai); static int flashrestart(struct airo_info *ai,struct net_device *dev); #define airo_print(type, name, fmt, args...) \ - { printk(type "airo(%s): " fmt "\n", name, ##args); } + printk(type DRV_NAME "(%s): " fmt "\n", name, ##args) #define airo_print_info(name, fmt, args...) \ airo_print(KERN_INFO, name, fmt, ##args) @@ -1926,28 +1928,54 @@ static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock) { return rc; } +static void try_auto_wep(struct airo_info *ai) +{ + if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) { + ai->expires = RUN_AT(3*HZ); + wake_up_interruptible(&ai->thr_wait); + } +} + static int airo_open(struct net_device *dev) { - struct airo_info *info = dev->priv; - Resp rsp; + struct airo_info *ai = dev->priv; + int rc = 0; - if (test_bit(FLAG_FLASHING, &info->flags)) + if (test_bit(FLAG_FLASHING, &ai->flags)) return -EIO; /* Make sure the card is configured. * Wireless Extensions may postpone config changes until the card * is open (to pipeline changes and speed-up card setup). If * those changes are not yet commited, do it now - Jean II */ - if (test_bit (FLAG_COMMIT, &info->flags)) { - disable_MAC(info, 1); - writeConfigRid(info, 1); + if (test_bit(FLAG_COMMIT, &ai->flags)) { + disable_MAC(ai, 1); + writeConfigRid(ai, 1); } - if (info->wifidev != dev) { + if (ai->wifidev != dev) { + clear_bit(JOB_DIE, &ai->jobs); + ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name); + if (IS_ERR(ai->airo_thread_task)) + return (int)PTR_ERR(ai->airo_thread_task); + + rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED, + dev->name, dev); + if (rc) { + airo_print_err(dev->name, + "register interrupt %d failed, rc %d", + dev->irq, rc); + set_bit(JOB_DIE, &ai->jobs); + kthread_stop(ai->airo_thread_task); + return rc; + } + /* Power on the MAC controller (which may have been disabled) */ - clear_bit(FLAG_RADIO_DOWN, &info->flags); - enable_interrupts(info); + clear_bit(FLAG_RADIO_DOWN, &ai->flags); + enable_interrupts(ai); + + try_auto_wep(ai); } - enable_MAC(info, &rsp, 1); + enable_MAC(ai, 1); netif_start_queue(dev); return 0; @@ -2338,14 +2366,13 @@ static int airo_set_mac_address(struct net_device *dev, void *p) { struct airo_info *ai = dev->priv; struct sockaddr *addr = p; - Resp rsp; readConfigRid(ai, 1); memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len); set_bit (FLAG_COMMIT, &ai->flags); disable_MAC(ai, 1); writeConfigRid (ai, 1); - enable_MAC(ai, &rsp, 1); + enable_MAC(ai, 1); memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len); if (ai->wifidev) memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len); @@ -2392,6 +2419,11 @@ static int airo_close(struct net_device *dev) { disable_MAC(ai, 1); #endif disable_interrupts( ai ); + + free_irq(dev->irq, dev); + + set_bit(JOB_DIE, &ai->jobs); + kthread_stop(ai->airo_thread_task); } return 0; } @@ -2403,7 +2435,6 @@ void stop_airo_card( struct net_device *dev, int freeres ) set_bit(FLAG_RADIO_DOWN, &ai->flags); disable_MAC(ai, 1); disable_interrupts(ai); - free_irq( dev->irq, dev ); takedown_proc_entry( dev, ai ); if (test_bit(FLAG_REGISTERED, &ai->flags)) { unregister_netdev( dev ); @@ -2414,9 +2445,6 @@ void stop_airo_card( struct net_device *dev, int freeres ) } clear_bit(FLAG_REGISTERED, &ai->flags); } - set_bit(JOB_DIE, &ai->jobs); - kthread_stop(ai->airo_thread_task); - /* * Clean out tx queue */ @@ -2554,8 +2582,7 @@ static int mpi_init_descriptors (struct airo_info *ai) * 2) Map PCI memory for issueing commands. * 3) Allocate memory (shared) to send and receive ethernet frames. */ -static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci, - const char *name) +static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci) { unsigned long mem_start, mem_len, aux_start, aux_len; int rc = -1; @@ -2569,35 +2596,35 @@ static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci, aux_start = pci_resource_start(pci, 2); aux_len = AUXMEMSIZE; - if (!request_mem_region(mem_start, mem_len, name)) { - airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s", - (int)mem_start, (int)mem_len, name); + if (!request_mem_region(mem_start, mem_len, DRV_NAME)) { + airo_print_err("", "Couldn't get region %x[%x]", + (int)mem_start, (int)mem_len); goto out; } - if (!request_mem_region(aux_start, aux_len, name)) { - airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s", - (int)aux_start, (int)aux_len, name); + if (!request_mem_region(aux_start, aux_len, DRV_NAME)) { + airo_print_err("", "Couldn't get region %x[%x]", + (int)aux_start, (int)aux_len); goto free_region1; } ai->pcimem = ioremap(mem_start, mem_len); if (!ai->pcimem) { - airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s", - (int)mem_start, (int)mem_len, name); + airo_print_err("", "Couldn't map region %x[%x]", + (int)mem_start, (int)mem_len); goto free_region2; } ai->pciaux = ioremap(aux_start, aux_len); if (!ai->pciaux) { - airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s", - (int)aux_start, (int)aux_len, name); + airo_print_err("", "Couldn't map region %x[%x]", + (int)aux_start, (int)aux_len); goto free_memmap; } /* Reserve PKTSIZE for each fid and 2K for the Rids */ ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma); if (!ai->shared) { - airo_print_err(ai->dev->name, "Couldn't alloc_consistent %d", - PCI_SHARED_LEN); + airo_print_err("", "Couldn't alloc_consistent %d", + PCI_SHARED_LEN); goto free_auxmap; } @@ -2742,7 +2769,7 @@ static int airo_networks_allocate(struct airo_info *ai) kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement), GFP_KERNEL); if (!ai->networks) { - airo_print_warn(ai->dev->name, "Out of memory allocating beacons"); + airo_print_warn("", "Out of memory allocating beacons"); return -ENOMEM; } @@ -2770,7 +2797,6 @@ static int airo_test_wpa_capable(struct airo_info *ai) { int status; CapabilityRid cap_rid; - const char *name = ai->dev->name; status = readCapabilityRid(ai, &cap_rid, 1); if (status != SUCCESS) return 0; @@ -2778,12 +2804,12 @@ static int airo_test_wpa_capable(struct airo_info *ai) /* Only firmware versions 5.30.17 or better can do WPA */ if ((cap_rid.softVer > 0x530) || ((cap_rid.softVer == 0x530) && (cap_rid.softSubVer >= 17))) { - airo_print_info(name, "WPA is supported."); + airo_print_info("", "WPA is supported."); return 1; } /* No WPA support */ - airo_print_info(name, "WPA unsupported (only firmware versions 5.30.17" + airo_print_info("", "WPA unsupported (only firmware versions 5.30.17" " and greater support WPA. Detected %s)", cap_rid.prodVer); return 0; } @@ -2797,23 +2823,19 @@ static struct net_device *_init_airo_card( unsigned short irq, int port, int i, rc; /* Create the network device object. */ - dev = alloc_etherdev(sizeof(*ai)); - if (!dev) { + dev = alloc_netdev(sizeof(*ai), "", ether_setup); + if (!dev) { airo_print_err("", "Couldn't alloc_etherdev"); return NULL; - } - if (dev_alloc_name(dev, dev->name) < 0) { - airo_print_err("", "Couldn't get name!"); - goto err_out_free; } ai = dev->priv; ai->wifidev = NULL; - ai->flags = 0; + ai->flags = 1 << FLAG_RADIO_DOWN; ai->jobs = 0; ai->dev = dev; if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) { - airo_print_dbg(dev->name, "Found an MPI350 card"); + airo_print_dbg("", "Found an MPI350 card"); set_bit(FLAG_MPI, &ai->flags); } spin_lock_init(&ai->aux_lock); @@ -2821,14 +2843,11 @@ static struct net_device *_init_airo_card( unsigned short irq, int port, ai->config.len = 0; ai->pci = pci; init_waitqueue_head (&ai->thr_wait); - ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name); - if (IS_ERR(ai->airo_thread_task)) - goto err_out_free; ai->tfm = NULL; add_airo_dev(ai); if (airo_networks_allocate (ai)) - goto err_out_thr; + goto err_out_free; airo_networks_initialize (ai); /* The Airo-specific entries in the device structure. */ @@ -2851,27 +2870,22 @@ static struct net_device *_init_airo_card( unsigned short irq, int port, dev->base_addr = port; SET_NETDEV_DEV(dev, dmdev); + SET_MODULE_OWNER(dev); reset_card (dev, 1); msleep(400); - rc = request_irq( dev->irq, airo_interrupt, IRQF_SHARED, dev->name, dev ); - if (rc) { - airo_print_err(dev->name, "register interrupt %d failed, rc %d", - irq, rc); - goto err_out_nets; - } if (!is_pcmcia) { - if (!request_region( dev->base_addr, 64, dev->name )) { + if (!request_region(dev->base_addr, 64, DRV_NAME)) { rc = -EBUSY; airo_print_err(dev->name, "Couldn't request region"); - goto err_out_irq; + goto err_out_nets; } } if (test_bit(FLAG_MPI,&ai->flags)) { - if (mpi_map_card(ai, pci, dev->name)) { - airo_print_err(dev->name, "Could not map memory"); + if (mpi_map_card(ai, pci)) { + airo_print_err("", "Could not map memory"); goto err_out_res; } } @@ -2899,6 +2913,7 @@ static struct net_device *_init_airo_card( unsigned short irq, int port, ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra); } + strcpy(dev->name, "eth%d"); rc = register_netdev(dev); if (rc) { airo_print_err(dev->name, "Couldn't register_netdev"); @@ -2921,8 +2936,6 @@ static struct net_device *_init_airo_card( unsigned short irq, int port, if (setup_proc_entry(dev, dev->priv) < 0) goto err_out_wifi; - netif_start_queue(dev); - SET_MODULE_OWNER(dev); return dev; err_out_wifi: @@ -2940,14 +2953,9 @@ err_out_map: err_out_res: if (!is_pcmcia) release_region( dev->base_addr, 64 ); -err_out_irq: - free_irq(dev->irq, dev); err_out_nets: airo_networks_free(ai); -err_out_thr: del_airo_dev(ai); - set_bit(JOB_DIE, &ai->jobs); - kthread_stop(ai->airo_thread_task); err_out_free: free_netdev(dev); return NULL; @@ -3078,7 +3086,8 @@ static int airo_thread(void *data) { struct net_device *dev = data; struct airo_info *ai = dev->priv; int locked; - + + set_freezable(); while(1) { /* make swsusp happy with our thread */ try_to_freeze(); @@ -3529,9 +3538,11 @@ static u16 IN4500( struct airo_info *ai, u16 reg ) { return rc; } -static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock ) { +static int enable_MAC(struct airo_info *ai, int lock) +{ int rc; - Cmd cmd; + Cmd cmd; + Resp rsp; /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down" @@ -3547,7 +3558,7 @@ static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock ) { if (!test_bit(FLAG_ENABLED, &ai->flags)) { memset(&cmd, 0, sizeof(cmd)); cmd.cmd = MAC_ENABLE; - rc = issuecommand(ai, &cmd, rsp); + rc = issuecommand(ai, &cmd, &rsp); if (rc == SUCCESS) set_bit(FLAG_ENABLED, &ai->flags); } else @@ -3557,8 +3568,12 @@ static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock ) { up(&ai->sem); if (rc) - airo_print_err(ai->dev->name, "%s: Cannot enable MAC, err=%d", - __FUNCTION__, rc); + airo_print_err(ai->dev->name, "Cannot enable MAC"); + else if ((rsp.status & 0xFF00) != 0) { + airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, " + "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2); + rc = ERROR; + } return rc; } @@ -3902,12 +3917,9 @@ static u16 setup_card(struct airo_info *ai, u8 *mac, int lock) if ( status != SUCCESS ) return ERROR; } - status = enable_MAC(ai, &rsp, lock); - if ( status != SUCCESS || (rsp.status & 0xFF00) != 0) { - airo_print_err(ai->dev->name, "Bad MAC enable reason = %x, rid = %x," - " offset = %d", rsp.rsp0, rsp.rsp1, rsp.rsp2 ); + status = enable_MAC(ai, lock); + if (status != SUCCESS) return ERROR; - } /* Grab the initial wep key, we gotta save it for auto_wep */ rc = readWepKeyRid(ai, &wkr, 1, lock); @@ -3919,10 +3931,7 @@ static u16 setup_card(struct airo_info *ai, u8 *mac, int lock) rc = readWepKeyRid(ai, &wkr, 0, lock); } while(lastindex != wkr.kindex); - if (auto_wep) { - ai->expires = RUN_AT(3*HZ); - wake_up_interruptible(&ai->thr_wait); - } + try_auto_wep(ai); return SUCCESS; } @@ -4004,7 +4013,7 @@ static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap ) } if ( !(max_tries--) ) { airo_print_err(ai->dev->name, - "airo: BAP setup error too many retries\n"); + "BAP setup error too many retries\n"); return ERROR; } // -- PC4500 missed it, try again @@ -5152,7 +5161,6 @@ static void proc_SSID_on_close( struct inode *inode, struct file *file ) { struct net_device *dev = dp->data; struct airo_info *ai = dev->priv; SsidRid SSID_rid; - Resp rsp; int i; int offset = 0; @@ -5177,7 +5185,7 @@ static void proc_SSID_on_close( struct inode *inode, struct file *file ) { SSID_rid.len = sizeof(SSID_rid); disable_MAC(ai, 1); writeSsidRid(ai, &SSID_rid, 1); - enable_MAC(ai, &rsp, 1); + enable_MAC(ai, 1); } static inline u8 hexVal(char c) { @@ -5193,7 +5201,6 @@ static void proc_APList_on_close( struct inode *inode, struct file *file ) { struct net_device *dev = dp->data; struct airo_info *ai = dev->priv; APListRid APList_rid; - Resp rsp; int i; if ( !data->writelen ) return; @@ -5218,18 +5225,17 @@ static void proc_APList_on_close( struct inode *inode, struct file *file ) { } disable_MAC(ai, 1); writeAPListRid(ai, &APList_rid, 1); - enable_MAC(ai, &rsp, 1); + enable_MAC(ai, 1); } /* This function wraps PC4500_writerid with a MAC disable */ static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data, int len, int dummy ) { int rc; - Resp rsp; disable_MAC(ai, 1); rc = PC4500_writerid(ai, rid, rid_data, len, 1); - enable_MAC(ai, &rsp, 1); + enable_MAC(ai, 1); return rc; } @@ -5260,7 +5266,6 @@ static int set_wep_key(struct airo_info *ai, u16 index, const char *key, u16 keylen, int perm, int lock ) { static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 }; WepKeyRid wkr; - Resp rsp; memset(&wkr, 0, sizeof(wkr)); if (keylen == 0) { @@ -5280,7 +5285,7 @@ static int set_wep_key(struct airo_info *ai, u16 index, if (perm) disable_MAC(ai, lock); writeWepKeyRid(ai, &wkr, perm, lock); - if (perm) enable_MAC(ai, &rsp, lock); + if (perm) enable_MAC(ai, lock); return 0; } @@ -5548,7 +5553,6 @@ static int proc_close( struct inode *inode, struct file *file ) changed. */ static void timer_func( struct net_device *dev ) { struct airo_info *apriv = dev->priv; - Resp rsp; /* We don't have a link so try changing the authtype */ readConfigRid(apriv, 0); @@ -5575,7 +5579,7 @@ static void timer_func( struct net_device *dev ) { } set_bit (FLAG_COMMIT, &apriv->flags); writeConfigRid(apriv, 0); - enable_MAC(apriv, &rsp, 0); + enable_MAC(apriv, 0); up(&apriv->sem); /* Schedule check to see if the change worked */ @@ -5597,8 +5601,10 @@ static int __devinit airo_pci_probe(struct pci_dev *pdev, dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev); else dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev); - if (!dev) + if (!dev) { + pci_disable_device(pdev); return -ENODEV; + } pci_set_drvdata(pdev, dev); return 0; @@ -5610,6 +5616,8 @@ static void __devexit airo_pci_remove(struct pci_dev *pdev) airo_print_info(dev->name, "Unregistering..."); stop_airo_card(dev, 1); + pci_disable_device(pdev); + pci_set_drvdata(pdev, NULL); } static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state) @@ -5646,7 +5654,6 @@ static int airo_pci_resume(struct pci_dev *pdev) { struct net_device *dev = pci_get_drvdata(pdev); struct airo_info *ai = dev->priv; - Resp rsp; pci_power_t prev_state = pdev->current_state; pci_set_power_state(pdev, PCI_D0); @@ -5679,7 +5686,7 @@ static int airo_pci_resume(struct pci_dev *pdev) ai->APList = NULL; } writeConfigRid(ai, 0); - enable_MAC(ai, &rsp, 0); + enable_MAC(ai, 0); ai->power = PMSG_ON; netif_device_attach(dev); netif_wake_queue(dev); @@ -5903,7 +5910,6 @@ static int airo_set_essid(struct net_device *dev, char *extra) { struct airo_info *local = dev->priv; - Resp rsp; SsidRid SSID_rid; /* SSIDs */ /* Reload the list of current SSID */ @@ -5935,7 +5941,7 @@ static int airo_set_essid(struct net_device *dev, /* Write it to the card */ disable_MAC(local, 1); writeSsidRid(local, &SSID_rid, 1); - enable_MAC(local, &rsp, 1); + enable_MAC(local, 1); return 0; } @@ -6000,7 +6006,7 @@ static int airo_set_wap(struct net_device *dev, memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN); disable_MAC(local, 1); writeAPListRid(local, &APList_rid, 1); - enable_MAC(local, &rsp, 1); + enable_MAC(local, 1); } return 0; } @@ -7454,7 +7460,6 @@ static int airo_config_commit(struct net_device *dev, char *extra) /* NULL */ { struct airo_info *local = dev->priv; - Resp rsp; if (!test_bit (FLAG_COMMIT, &local->flags)) return 0; @@ -7479,7 +7484,7 @@ static int airo_config_commit(struct net_device *dev, if (down_interruptible(&local->sem)) return -ERESTARTSYS; writeConfigRid(local, 0); - enable_MAC(local, &rsp, 0); + enable_MAC(local, 0); if (test_bit (FLAG_RESET, &local->flags)) airo_set_promisc(local); else @@ -7746,7 +7751,6 @@ static int readrids(struct net_device *dev, aironet_ioctl *comp) { unsigned char *iobuf; int len; struct airo_info *ai = dev->priv; - Resp rsp; if (test_bit(FLAG_FLASHING, &ai->flags)) return -EIO; @@ -7758,7 +7762,7 @@ static int readrids(struct net_device *dev, aironet_ioctl *comp) { if (test_bit(FLAG_COMMIT, &ai->flags)) { disable_MAC (ai, 1); writeConfigRid (ai, 1); - enable_MAC (ai, &rsp, 1); + enable_MAC(ai, 1); } break; case AIROGSLIST: ridcode = RID_SSID; break; @@ -7815,7 +7819,6 @@ static int writerids(struct net_device *dev, aironet_ioctl *comp) { struct airo_info *ai = dev->priv; int ridcode; int enabled; - Resp rsp; static int (* writer)(struct airo_info *, u16 rid, const void *, int, int); unsigned char *iobuf; @@ -7849,7 +7852,7 @@ static int writerids(struct net_device *dev, aironet_ioctl *comp) { * same with MAC off */ case AIROPMACON: - if (enable_MAC(ai, &rsp, 1) != 0) + if (enable_MAC(ai, 1) != 0) return -EIO; return 0; |