diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 1998-04-05 11:23:36 +0000 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 1998-04-05 11:23:36 +0000 |
| commit | 4318fbda2a7ee51caafdc4eb1f8028a3f0605142 (patch) | |
| tree | cddb50a81d7d1a628cc400519162080c6d87868e /drivers/net/sdla_fr.c | |
| parent | 36ea5120664550fae6d31f1c6f695e4f8975cb06 (diff) | |
o Merge with Linux 2.1.91.
o First round of bugfixes for the SC/MC CPUs.
o FPU context switch fixes.
o Lazy context switches.
o Faster syscalls.
o Removed dead code.
o Shitloads of other things I forgot ...
Diffstat (limited to 'drivers/net/sdla_fr.c')
| -rw-r--r-- | drivers/net/sdla_fr.c | 2430 |
1 files changed, 1501 insertions, 929 deletions
diff --git a/drivers/net/sdla_fr.c b/drivers/net/sdla_fr.c index e30bede48..9c1c65af8 100644 --- a/drivers/net/sdla_fr.c +++ b/drivers/net/sdla_fr.c @@ -1,4 +1,4 @@ -/**************************************************************************** +/***************************************************************************** * sdla_fr.c WANPIPE(tm) Multiprotocol WAN Link Driver. Frame relay module. * * Author(s): Gene Kozin @@ -83,85 +83,83 @@ * Jan 02, 1997 Gene Kozin Initial version. *****************************************************************************/ -#if !defined(__KERNEL__) || !defined(MODULE) -#error This code MUST be compiled as a kernel module! -#endif - #include <linux/config.h> /* OS configuration options */ #include <linux/kernel.h> /* printk(), and other useful stuff */ #include <linux/stddef.h> /* offsetof(), etc. */ #include <linux/errno.h> /* return codes */ #include <linux/string.h> /* inline memset(), etc. */ #include <linux/malloc.h> /* kmalloc(), kfree() */ -#include <linux/init.h> /* __initfunc */ #include <linux/wanrouter.h> /* WAN router definitions */ #include <linux/wanpipe.h> /* WANPIPE common user API definitions */ #include <linux/if_arp.h> /* ARPHRD_* defines */ #include <asm/byteorder.h> /* htons(), etc. */ #include <asm/io.h> /* for inb(), outb(), etc. */ -#include <asm/uaccess.h> -#include <linux/time.h> /* for do_gettimeofday */ - +#include <linux/time.h> /* for do_gettimeofday */ #define _GNUC_ #include <linux/sdla_fr.h> /* frame relay firmware API definitions */ -/****** Defines & Macros ****************************************************/ +#include <asm/uaccess.h> -#define MAX_CMD_RETRY 10 /* max number of firmware retries */ +/****** Defines & Macros ****************************************************/ -#define FR_HEADER_LEN 8 /* max encapsulation header size */ -#define FR_CHANNEL_MTU 1500 /* unfragmented logical channel MTU */ +#define MAX_CMD_RETRY 10 /* max number of firmware retries */ +#define FR_HEADER_LEN 8 /* max encapsulation header size */ +#define FR_CHANNEL_MTU 1500 /* unfragmented logical channel MTU */ /* Q.922 frame types */ -#define Q922_UI 0x03 /* Unnumbered Info frame */ -#define Q922_XID 0xAF /* ??? */ + +#define Q922_UI 0x03 /* Unnumbered Info frame */ +#define Q922_XID 0xAF /* ??? */ /* DLCI configured or not */ + #define DLCI_NOT_CONFIGURED 0x00 #define DLCI_CONFIG_PENDING 0x01 #define DLCI_CONFIGURED 0x02 /* CIR enabled or not */ + #define CIR_ENABLED 0x00 #define CIR_DISABLED 0x01 /* Interrupt mode for DLCI = 0 */ + #define BUFFER_INTR_MODE 0x00 #define DLCI_LIST_INTR_MODE 0x01 /* Transmit Interrupt Status */ + #define DISABLED 0x00 #define WAITING_TO_BE_ENABLED 0x01 /* For handle_IPXWAN() */ + #define CVHexToAscii(b) (((unsigned char)(b) > (unsigned char)9) ? ((unsigned char)'A' + ((unsigned char)(b) - (unsigned char)10)) : ((unsigned char)'0' + (unsigned char)(b))) - + /****** Data Structures *****************************************************/ /* This is an extention of the 'struct device' we create for each network * interface to keep the rest of channel-specific data. */ -typedef struct fr_channel -{ - char name[WAN_IFNAME_SZ+1]; /* interface name, ASCIIZ */ - unsigned dlci_configured ; /* check whether configured or not */ - unsigned cir_status; /* check whether CIR enabled or not */ - unsigned dlci; /* logical channel number */ - unsigned cir; /* committed information rate */ - unsigned bc; /* committed burst size */ - unsigned be; /* excess burst size */ - unsigned mc; /* multicast support on or off */ - unsigned tx_int_status; /* Transmit Interrupt Status */ +typedef struct fr_channel { + char name[WAN_IFNAME_SZ + 1]; /* interface name, ASCIIZ */ + unsigned dlci_configured; /* check whether configured or not */ + unsigned cir_status; /* check whether CIR enabled or not */ + unsigned dlci; /* logical channel number */ + unsigned cir; /* committed information rate */ + unsigned bc; /* committed burst size */ + unsigned be; /* excess burst size */ + unsigned mc; /* multicast support on or off */ + unsigned tx_int_status; /* Transmit Interrupt Status */ unsigned short pkt_length; /* Packet Length */ - unsigned long router_start_time;/* Router start time in seconds */ + unsigned long router_start_time; /* Router start time in seconds */ unsigned long tick_counter; /* counter for transmit time out */ char dev_pending_devtint; /* interface pending dev_tint() */ - char state; /* channel state */ - void* dlci_int_interface; /* pointer to the DLCI Interface */ - unsigned long IB_addr; /* physical address of Interface Byte */ + char state; /* channel state */ + void *dlci_int_interface; /* pointer to the DLCI Interface */ + unsigned long IB_addr; /* physical address of Interface Byte */ unsigned long state_tick; /* time of the last state change */ - sdla_t* card; /* -> owner */ - struct enet_statistics ifstats; /* interface statistics */ - + sdla_t *card; /* -> owner */ + struct enet_statistics ifstats; /* interface statistics */ unsigned long if_send_entry; unsigned long if_send_skb_null; unsigned long if_send_broadcast; @@ -177,14 +175,12 @@ typedef struct fr_channel unsigned long if_send_no_bfrs; unsigned long if_send_adptr_bfrs_full; unsigned long if_send_bfrs_passed_to_adptr; - unsigned long rx_intr_no_socket; unsigned long rx_intr_dev_not_started; unsigned long rx_intr_FPIPE_request; unsigned long rx_intr_DRVSTATS_request; unsigned long rx_intr_bfr_not_passed_to_stack; unsigned long rx_intr_bfr_passed_to_stack; - unsigned long UDP_FPIPE_mgmt_kmalloc_err; unsigned long UDP_FPIPE_mgmt_direction_err; unsigned long UDP_FPIPE_mgmt_adptr_type_err; @@ -206,37 +202,32 @@ typedef struct fr_channel unsigned long router_up_time; } fr_channel_t; -typedef struct dlci_status -{ - unsigned short dlci PACKED; - unsigned char state PACKED; +typedef struct dlci_status { + unsigned short dlci PACKED; + unsigned char state PACKED; } dlci_status_t; -typedef struct dlci_IB_mapping -{ - unsigned short dlci PACKED; - unsigned long addr_value PACKED; +typedef struct dlci_IB_mapping { + unsigned short dlci PACKED; + unsigned long addr_value PACKED; } dlci_IB_mapping_t; /* This structure is used for DLCI list Tx interrupt mode. It is used to enable interrupt bit and set the packet length for transmission */ -typedef struct fr_dlci_interface -{ - unsigned char gen_interrupt PACKED; - unsigned short packet_length PACKED; - unsigned char reserved PACKED; -} fr_dlci_interface_t; + +typedef struct fr_dlci_interface { + unsigned char gen_interrupt PACKED; + unsigned short packet_length PACKED; + unsigned char reserved PACKED; +} fr_dlci_interface_t; static unsigned short num_frames; static unsigned long curr_trace_addr; static unsigned long start_trace_addr; static unsigned short available_buffer_space; -static char TracingEnabled; - -/* variable for keeping track of enabling/disabling FT1 monitor status */ +static char TracingEnabled; /* variable for keeping track of enabling/disabling FT1 monitor status */ static int rCount = 0; - extern void disable_irq(unsigned int); extern void enable_irq(unsigned int); @@ -248,73 +239,63 @@ static int Intr_test_counter; /****** Function Prototypes *************************************************/ /* WAN link driver entry points. These are called by the WAN router module. */ -static int update (wan_device_t* wandev); -static int new_if (wan_device_t* wandev, struct device* dev, - wanif_conf_t* conf); -static int del_if (wan_device_t* wandev, struct device* dev); - +static int update(wan_device_t * wandev); +static int new_if(wan_device_t * wandev, struct device *dev, + wanif_conf_t * conf); +static int del_if(wan_device_t * wandev, struct device *dev); /* WANPIPE-specific entry points */ -static int wpf_exec (struct sdla* card, void* u_cmd, void* u_data); - +static int wpf_exec(struct sdla *card, void *u_cmd, void *u_data); /* Network device interface */ -static int if_init (struct device* dev); -static int if_open (struct device* dev); -static int if_close (struct device* dev); -static int if_header (struct sk_buff* skb, struct device* dev, - unsigned short type, void* daddr, void* saddr, unsigned len); -static int if_rebuild_hdr (struct sk_buff* skb); -static int if_send (struct sk_buff* skb, struct device* dev); -static struct enet_statistics* if_stats (struct device* dev); - +static int if_init(struct device *dev); +static int if_open(struct device *dev); +static int if_close(struct device *dev); +static int if_header(struct sk_buff *skb, struct device *dev, + unsigned short type, void *daddr, void *saddr, unsigned len); +static int if_rebuild_hdr(struct sk_buff *skb); +static int if_send(struct sk_buff *skb, struct device *dev); +static struct enet_statistics *if_stats(struct device *dev); /* Interrupt handlers */ -static void fr502_isr (sdla_t* card); -static void fr508_isr (sdla_t* card); -static void fr502_rx_intr (sdla_t* card); -static void fr508_rx_intr (sdla_t* card); -static void tx_intr (sdla_t* card); -static void spur_intr (sdla_t* card); - +static void fr502_isr(sdla_t * card); +static void fr508_isr(sdla_t * card); +static void fr502_rx_intr(sdla_t * card); +static void fr508_rx_intr(sdla_t * card); +static void tx_intr(sdla_t * card); +static void spur_intr(sdla_t * card); /* Background polling routines */ -static void wpf_poll (sdla_t* card); - +static void wpf_poll(sdla_t * card); /* Frame relay firmware interface functions */ -static int fr_read_version (sdla_t* card, char* str); -static int fr_configure (sdla_t* card, fr_conf_t *conf); -static int fr_dlci_configure (sdla_t* card, fr_dlc_conf_t *conf, unsigned dlci); -static int fr_set_intr_mode (sdla_t* card, unsigned mode, unsigned mtu); -static int fr_comm_enable (sdla_t* card); -static int fr_comm_disable (sdla_t* card); -static int fr_get_err_stats (sdla_t* card); -static int fr_get_stats (sdla_t* card); -static int fr_add_dlci (sdla_t* card, int dlci, int num); -static int fr_activate_dlci (sdla_t* card, int dlci, int num); -static int fr_issue_isf (sdla_t* card, int isf); -static int fr502_send (sdla_t* card, int dlci, int attr, int len, void *buf); -static int fr508_send (sdla_t* card, int dlci, int attr, int len, void *buf); - +static int fr_read_version(sdla_t * card, char *str); +static int fr_configure(sdla_t * card, fr_conf_t * conf); +static int fr_dlci_configure(sdla_t * card, fr_dlc_conf_t * conf, unsigned dlci); +static int fr_set_intr_mode(sdla_t * card, unsigned mode, unsigned mtu); +static int fr_comm_enable(sdla_t * card); +static int fr_comm_disable(sdla_t * card); +static int fr_get_err_stats(sdla_t * card); +static int fr_get_stats(sdla_t * card); +static int fr_add_dlci(sdla_t * card, int dlci, int num); +static int fr_activate_dlci(sdla_t * card, int dlci, int num); +static int fr_issue_isf(sdla_t * card, int isf); +static int fr502_send(sdla_t * card, int dlci, int attr, int len, void *buf); +static int fr508_send(sdla_t * card, int dlci, int attr, int len, void *buf); /* Firmware asynchronous event handlers */ -static int fr_event (sdla_t* card, int event, fr_mbox_t* mbox); -static int fr_modem_failure (sdla_t *card, fr_mbox_t* mbox); -static int fr_dlci_change (sdla_t *card, fr_mbox_t* mbox); - +static int fr_event(sdla_t * card, int event, fr_mbox_t * mbox); +static int fr_modem_failure(sdla_t * card, fr_mbox_t * mbox); +static int fr_dlci_change(sdla_t * card, fr_mbox_t * mbox); /* Miscellaneous functions */ -static int update_chan_state (struct device* dev); -static void set_chan_state (struct device* dev, int state); -static struct device* find_channel (sdla_t* card, unsigned dlci); -static int is_tx_ready (sdla_t* card, fr_channel_t* chan); -static unsigned int dec_to_uint (unsigned char* str, int len); -static int reply_udp( unsigned char *data, unsigned int mbox_len ); - -static int intr_test( sdla_t* card ); -static void init_chan_statistics( fr_channel_t* chan ); -static void init_global_statistics( sdla_t* card ); -static void read_DLCI_IB_mapping( sdla_t* card, fr_channel_t* chan ); - +static int update_chan_state(struct device *dev); +static void set_chan_state(struct device *dev, int state); +static struct device *find_channel(sdla_t * card, unsigned dlci); +static int is_tx_ready(sdla_t * card, fr_channel_t * chan); +static unsigned int dec_to_uint(unsigned char *str, int len); +static int reply_udp(unsigned char *data, unsigned int mbox_len); +static int intr_test(sdla_t * card); +static void init_chan_statistics(fr_channel_t * chan); +static void init_global_statistics(sdla_t * card); +static void read_DLCI_IB_mapping(sdla_t * card, fr_channel_t * chan); /* Udp management functions */ -static int process_udp_mgmt_pkt(char udp_pkt_src, sdla_t* card, struct sk_buff *skb, struct device* dev, int dlci, fr_channel_t* chan); -static int process_udp_driver_call(char udp_pkt_src, sdla_t* card, struct sk_buff *skb, struct device* dev, int dlci, fr_channel_t* chan); -static int udp_pkt_type( struct sk_buff *skb, sdla_t* card ); - +static int process_udp_mgmt_pkt(char udp_pkt_src, sdla_t * card, struct sk_buff *skb, struct device *dev, int dlci, fr_channel_t * chan); +static int process_udp_driver_call(char udp_pkt_src, sdla_t * card, struct sk_buff *skb, struct device *dev, int dlci, fr_channel_t * chan); +static int udp_pkt_type(struct sk_buff *skb, sdla_t * card); /* IPX functions */ static void switch_net_numbers(unsigned char *sendpacket, unsigned long network_number, unsigned char incoming); static int handle_IPXWAN(unsigned char *sendpacket, char *devname, unsigned char enable_IPX, unsigned long network_number); @@ -333,15 +314,16 @@ static int handle_IPXWAN(unsigned char *sendpacket, char *devname, unsigned char * Return: 0 o.k. * < 0 failure. */ -__initfunc(int wpf_init(sdla_t * card, wandev_conf_t * conf)) +int wpf_init(sdla_t * card, wandev_conf_t * conf) { union { char str[80]; fr_conf_t cfg; } u; - + int i; /* Verify configuration ID */ - if (conf->config_id != WANCONFIG_FR) { + if (conf->config_id != WANCONFIG_FR) + { printk(KERN_INFO "%s: invalid configuration ID %u!\n", card->devname, conf->config_id); return -EINVAL; @@ -355,45 +337,41 @@ __initfunc(int wpf_init(sdla_t * card, wandev_conf_t * conf)) card->flags = (void *) (card->hw.dpmbase + FR502_FLAG_OFFS); card->isr = &fr502_isr; break; - case SFID_FR508: card->mbox = (void *) (card->hw.dpmbase + FR508_MBOX_OFFS); card->flags = (void *) (card->hw.dpmbase + FR508_FLAG_OFFS); card->isr = &fr508_isr; break; - default: return -EINVAL; } - /* Read firmware version. Note that when adapter initializes, it * clears the mailbox, so it may appear that the first command was * executed successfully when in fact it was merely erased. To work * around this, we execute the first command twice. */ if (fr_read_version(card, NULL) || fr_read_version(card, u.str)) - return -EIO - ; + return -EIO; printk(KERN_INFO "%s: running frame relay firmware v%s\n", card->devname, u.str); - /* Adjust configuration */ conf->mtu = max(min(conf->mtu, 4080), FR_CHANNEL_MTU + FR_HEADER_LEN); conf->bps = min(conf->bps, 2048000); - /* Configure adapter firmware */ memset(&u.cfg, 0, sizeof(u.cfg)); u.cfg.mtu = conf->mtu; - u.cfg.t391 = 10; - u.cfg.t392 = 15; - u.cfg.n391 = 6; - u.cfg.n392 = 3; - u.cfg.n393 = 4; u.cfg.kbps = conf->bps / 1000; - u.cfg.cir_fwd = 16; - u.cfg.cir_bwd = u.cfg.bc_fwd = u.cfg.bc_bwd = u.cfg.cir_fwd; - u.cfg.options = 0x0081; /* direct Rx, no CIR check */ - + u.cfg.cir_fwd = u.cfg.cir_bwd = 16; + u.cfg.bc_fwd = u.cfg.bc_bwd = 16; + if (conf->station == WANOPT_CPE) + { + u.cfg.options = 0x0080; + printk(KERN_INFO "%s: Global CIR enabled by Default\n", card->devname); + } + else + { + u.cfg.options = 0x0081; + } switch (conf->u.fr.signalling) { case WANOPT_FR_Q933: @@ -403,54 +381,59 @@ __initfunc(int wpf_init(sdla_t * card, wandev_conf_t * conf)) u.cfg.options |= 0x0400; break; } - if (conf->station == WANOPT_CPE) { u.cfg.options |= 0x8000; /* auto config DLCI */ + card->u.f.dlci_num = 0; } else { u.cfg.station = 1; /* switch emulation mode */ - card->u.f.node_dlci = conf->u.fr.dlci ? conf->u.fr.dlci : 16; + /* For switch emulation we have to create a list of dlci(s) + * that will be sent to be global SET_DLCI_CONFIGURATION + * command in fr_configure() routine. + */ card->u.f.dlci_num = min(max(conf->u.fr.dlci_num, 1), 100); + for (i = 0; i < card->u.f.dlci_num; i++) + { + card->u.f.node_dlci[i] = (unsigned short) + conf->u.fr.dlci[i] ? conf->u.fr.dlci[i] : 16; + } } - if (conf->clocking == WANOPT_INTERNAL) - u.cfg.port |= 0x0001 - ; + u.cfg.port |= 0x0001; if (conf->interface == WANOPT_RS232) - u.cfg.port |= 0x0002 - ; + u.cfg.port |= 0x0002; if (conf->u.fr.t391) u.cfg.t391 = min(conf->u.fr.t391, 30); + else + u.cfg.t391 = 5; if (conf->u.fr.t392) u.cfg.t392 = min(conf->u.fr.t392, 30); + else + u.cfg.t392 = 15; if (conf->u.fr.n391) u.cfg.n391 = min(conf->u.fr.n391, 255); + else + u.cfg.n391 = 2; if (conf->u.fr.n392) u.cfg.n392 = min(conf->u.fr.n392, 10); + else + u.cfg.n392 = 3; if (conf->u.fr.n393) u.cfg.n393 = min(conf->u.fr.n393, 10); - + else + u.cfg.n393 = 4; if (fr_configure(card, &u.cfg)) - return -EIO - ; - + return -EIO; if (card->hw.fwid == SFID_FR508) { fr_buf_info_t *buf_info = (void *) (card->hw.dpmbase + FR508_RXBC_OFFS); - - card->rxmb = - (void *) (buf_info->rse_next - - FR_MB_VECTOR + card->hw.dpmbase); - card->u.f.rxmb_base = - (void *) (buf_info->rse_base - - FR_MB_VECTOR + card->hw.dpmbase); - card->u.f.rxmb_last = - (void *) (buf_info->rse_base + - (buf_info->rse_num - 1) * sizeof(fr_buf_ctl_t) - - FR_MB_VECTOR + card->hw.dpmbase); + card->rxmb = (void *) (buf_info->rse_next - FR_MB_VECTOR + card->hw.dpmbase); + card->u.f.rxmb_base = (void *) (buf_info->rse_base - FR_MB_VECTOR + card->hw.dpmbase); + card->u.f.rxmb_last = (void *) (buf_info->rse_base + (buf_info->rse_num - 1) * + sizeof(fr_buf_ctl_t) - FR_MB_VECTOR + card->hw.dpmbase); card->u.f.rx_base = buf_info->buf_base; card->u.f.rx_top = buf_info->buf_top; } @@ -465,8 +448,19 @@ __initfunc(int wpf_init(sdla_t * card, wandev_conf_t * conf)) card->wandev.new_if = &new_if; card->wandev.del_if = &del_if; card->wandev.state = WAN_DISCONNECTED; + card->wandev.ttl = conf->ttl; card->wandev.udp_port = conf->udp_port; - TracingEnabled = '0'; + card->wandev.enable_tx_int = 0; + card->irq_dis_if_send_count = 0; + card->irq_dis_poll_count = 0; + card->wandev.enable_IPX = conf->enable_IPX; + if (conf->network_number) + card->wandev.network_number = conf->network_number; + else + card->wandev.network_number = 0xDEADBEEF; + /* Intialize global statistics for a card */ + init_global_statistics(card); + TracingEnabled = 0; return 0; } @@ -475,20 +469,17 @@ __initfunc(int wpf_init(sdla_t * card, wandev_conf_t * conf)) /*============================================================================ * Update device status & statistics. */ + static int update(wan_device_t * wandev) { sdla_t *card; - /* sanity checks */ if ((wandev == NULL) || (wandev->private == NULL)) - return -EFAULT - ; + return -EFAULT; if (wandev->state == WAN_UNCONFIGURED) - return -ENODEV - ; + return -ENODEV; if (test_and_set_bit(0, (void *) &wandev->critical)) - return -EAGAIN - ; + return -EAGAIN; card = wandev->private; fr_get_err_stats(card); fr_get_stats(card); @@ -508,13 +499,14 @@ static int update(wan_device_t * wandev) * Return: 0 o.k. * < 0 failure (channel will not be created) */ + static int new_if(wan_device_t * wandev, struct device *dev, wanif_conf_t * conf) { sdla_t *card = wandev->private; fr_channel_t *chan; int err = 0; - - if ((conf->name[0] == '\0') || (strlen(conf->name) > WAN_IFNAME_SZ)) { + if ((conf->name[0] == '\0') || (strlen(conf->name) > WAN_IFNAME_SZ)) + { printk(KERN_INFO "%s: invalid interface name!\n", card->devname); return -EINVAL; @@ -522,73 +514,67 @@ static int new_if(wan_device_t * wandev, struct device *dev, wanif_conf_t * conf /* allocate and initialize private data */ chan = kmalloc(sizeof(fr_channel_t), GFP_KERNEL); if (chan == NULL) - return -ENOMEM - ; + return -ENOMEM; memset(chan, 0, sizeof(fr_channel_t)); strcpy(chan->name, conf->name); chan->card = card; - /* verify media address */ - if (is_digit(conf->addr[0])) { + if (is_digit(conf->addr[0])) + { int dlci = dec_to_uint(conf->addr, 0); - - if (dlci && (dlci <= 4095)) { + if (dlci && (dlci <= 4095)) + { chan->dlci = dlci; - } else { - printk(KERN_ERR - "%s: invalid DLCI %u on interface %s!\n", + } + else + { + printk(KERN_ERR "%s: invalid DLCI %u on interface %s!\n", wandev->name, dlci, chan->name); err = -EINVAL; } - } else { - printk(KERN_ERR - "%s: invalid media address on interface %s!\n", + } + else + { + printk(KERN_ERR "%s: invalid media address on interface %s!\n", wandev->name, chan->name); err = -EINVAL; } - if (err) { + if (err) + { kfree(chan); return err; } - /* place cir,be,bc and other channel specific information into the * chan structure - */ + */ if (conf->cir) { - chan->cir = max( 1, min( conf->cir, 512 ) ); - chan->cir_status = CIR_ENABLED; - + chan->cir = max(1, min(conf->cir, 512)); + chan->cir_status = CIR_ENABLED; if (conf->bc) - chan->bc = max( 1, min( conf->bc, 512 ) ); + chan->bc = max(1, min(conf->bc, 512)); if (conf->be) - chan->be = max( 0, min( conf->be, 511) ); - + chan->be = max(0, min(conf->be, 511)); } else chan->cir_status = CIR_DISABLED; - chan->mc = conf->mc; - - chan->dlci_configured = DLCI_NOT_CONFIGURED; - - chan->tx_int_status = DISABLED; - - init_chan_statistics( chan ); - + chan->dlci_configured = DLCI_NOT_CONFIGURED; + chan->tx_int_status = DISABLED; + init_chan_statistics(chan); /* prepare network device data space for registration */ dev->name = chan->name; dev->init = &if_init; dev->priv = chan; return 0; } - /*============================================================================ * Delete logical channel. */ static int del_if(wan_device_t * wandev, struct device *dev) { - if (dev->priv) { + if (dev->priv) + { kfree(dev->priv); dev->priv = NULL; } @@ -606,24 +592,27 @@ static int wpf_exec(struct sdla *card, void *u_cmd, void *u_data) int retry = MAX_CMD_RETRY; int err, len; fr_cmd_t cmd; - - if (copy_from_user((void *) &cmd, u_cmd, sizeof(cmd))) - return -EFAULT; + if(copy_from_user((void *) &cmd, u_cmd, sizeof(cmd))) + return -EFAULT; /* execute command */ - do { + do + { memcpy(&mbox->cmd, &cmd, sizeof(cmd)); if (cmd.length) - if (copy_from_user((void *) &mbox->data, u_data, cmd.length)) + { + if(copy_from_user((void *) &mbox->data, u_data, cmd.length)) return -EFAULT; + } if (sdla_exec(mbox)) err = mbox->cmd.result; else return -EIO; - } + } while (err && retry-- && fr_event(card, err, mbox)); /* return result */ - if (copy_to_user(u_cmd, (void *) &mbox->cmd, sizeof(fr_cmd_t))) + + if(copy_to_user(u_cmd, (void *) &mbox->cmd, sizeof(fr_cmd_t))) return -EFAULT; len = mbox->cmd.length; if (len && u_data && copy_to_user(u_data, (void *) &mbox->data, len)) @@ -632,7 +621,6 @@ static int wpf_exec(struct sdla *card, void *u_cmd, void *u_data) } /****** Network Device Interface ********************************************/ - /*============================================================================ * Initialize Linux network interface. * @@ -645,7 +633,6 @@ static int if_init(struct device *dev) fr_channel_t *chan = dev->priv; sdla_t *card = chan->card; wan_device_t *wandev = &card->wandev; - int i; /* Initialize device driver entry points */ dev->open = &if_open; @@ -654,27 +641,22 @@ static int if_init(struct device *dev) dev->rebuild_header = &if_rebuild_hdr; dev->hard_start_xmit = &if_send; dev->get_stats = &if_stats; - /* Initialize media-specific parameters */ - dev->family = AF_INET; /* address family */ - dev->type = ARPHRD_DLCI; /* ARP h/w type */ + dev->type = ARPHRD_DLCI; /* ARP h/w type */ dev->mtu = FR_CHANNEL_MTU; - dev->hard_header_len = FR_HEADER_LEN; /* media header length */ - dev->addr_len = 2; /* hardware address length */ + dev->hard_header_len = FR_HEADER_LEN; /* media header length */ + dev->addr_len = 2; /* hardware address length */ *(unsigned short *) dev->dev_addr = htons(chan->dlci); - /* Initialize hardware parameters (just for reference) */ dev->irq = wandev->irq; dev->dma = wandev->dma; dev->base_addr = wandev->ioport; dev->mem_start = wandev->maddr; dev->mem_end = wandev->maddr + wandev->msize - 1; - /* Set transmit buffer queue length */ - dev->tx_queue_len = 30; - + dev->tx_queue_len = 10; + /* Initialize socket buffers */ dev_init_buffers(dev); - set_chan_state(dev, WAN_DISCONNECTED); return 0; } @@ -695,124 +677,93 @@ static int if_open(struct device *dev) int err = 0; fr508_flags_t *flags = card->flags; struct timeval tv; - if (dev->start) return -EBUSY; /* only one open is allowed */ - if (test_and_set_bit(0, (void *) &card->wandev.critical)) return -EAGAIN; - if (!card->open_cnt) { Intr_test_counter = 0; card->intr_mode = INTR_TEST_MODE; - err = intr_test( card ); - - if ((err) || (Intr_test_counter !=(MAX_INTR_TEST_COUNTER +1))) { - printk(KERN_INFO - "%s: Interrupt Test Failed, Counter: %i\n", - card->devname, Intr_test_counter); + err = intr_test(card); + if ((err) || (Intr_test_counter != (MAX_INTR_TEST_COUNTER + 1))) { + printk(KERN_INFO + "%s: Interrupt Test Failed, Counter: %i\n", + card->devname, Intr_test_counter); err = -EIO; card->wandev.critical = 0; return err; } - printk(KERN_INFO "%s: Interrupt Test Passed, Counter: %i\n" - ,card->devname, Intr_test_counter); - + ,card->devname, Intr_test_counter); /* The following allocates and intializes a circular * link list of interfaces per card. */ - card->devs_struct = kmalloc(sizeof(load_sharing_t), GFP_KERNEL); if (card->devs_struct == NULL) - return -ENOMEM; + return -ENOMEM; card->dev_to_devtint_next = card->devs_struct; - for (dev2 = card->wandev.dev; dev2; dev2 = dev2->slave) { (card->devs_struct)->dev_ptr = dev2; - if(dev2->slave == NULL) + if (dev2->slave == NULL) (card->devs_struct)->next = card->dev_to_devtint_next; else { (card->devs_struct)->next = kmalloc( - sizeof(load_sharing_t), GFP_KERNEL); + sizeof(load_sharing_t), GFP_KERNEL); if ((card->devs_struct)->next == NULL) - return -ENOMEM; + return -ENOMEM; card->devs_struct = (card->devs_struct)->next; - } + } } - card->devs_struct = card->dev_to_devtint_next; - - card->intr_mode = BUFFER_INTR_MODE; - + card->intr_mode = BUFFER_INTR_MODE; /* - check all the interfaces for the device to see if CIR has - been enabled for any DLCI(s). If so then use the DLCI list - Interrupt mode for fr_set_intr_mode(), otherwise use the default global interrupt mode - */ - + check all the interfaces for the device to see if CIR has + been enabled for any DLCI(s). If so then use the DLCI list + Interrupt mode for fr_set_intr_mode(), otherwise use the default global interrupt mode + */ for (dev2 = card->wandev.dev; dev2; dev2 = dev2->slave) { - - if( ((fr_channel_t *)dev2->priv)->cir_status - == CIR_ENABLED) { + if (((fr_channel_t *) dev2->priv)->cir_status + == CIR_ENABLED) { card->intr_mode = DLCI_LIST_INTR_MODE; break; } } - /* - * If you enable comms and then set ints, you get a Tx int as you - * perform the SET_INT_TRIGGERS command. So, we only set int - * triggers and then adjust the interrupt mask (to disable Tx ints) before enabling comms. + If you enable comms and then set ints, you get a Tx int as you + perform the SET_INT_TRIGGERS command. So, we only set int + triggers and then adjust the interrupt mask (to disable Tx ints) before enabling comms. */ - if (card->intr_mode == BUFFER_INTR_MODE) - { - if (fr_set_intr_mode(card, 0x03, card->wandev.mtu)) - { + if (card->intr_mode == BUFFER_INTR_MODE) { + if (fr_set_intr_mode(card, 0x03, card->wandev.mtu)) { err = -EIO; card->wandev.critical = 0; return err; } - - printk( KERN_INFO - "%s: Global Buffering Tx Interrupt Mode\n" - , card->devname); - - } - else if (card->intr_mode == DLCI_LIST_INTR_MODE) - { - if (fr_set_intr_mode(card, 0x83, card->wandev.mtu)) - { + printk(KERN_INFO + "%s: Global Buffering Tx Interrupt Mode\n" + ,card->devname); + } else if (card->intr_mode == DLCI_LIST_INTR_MODE) { + if (fr_set_intr_mode(card, 0x83, card->wandev.mtu)) { err = -EIO; card->wandev.critical = 0; return err; } - - printk( KERN_INFO "%s: DLCI list Tx Interrupt Mode\n", - card->devname); - + printk(KERN_INFO + "%s: DLCI list Tx Interrupt Mode\n", + card->devname); } - flags->imask &= ~0x02; - - if (fr_comm_enable(card)) - { + if (fr_comm_enable(card)) { err = -EIO; card->wandev.critical = 0; return err; - } - + } wanpipe_set_state(card, WAN_CONNECTED); - - if (card->wandev.station == WANOPT_CPE) - { + if (card->wandev.station == WANOPT_CPE) { /* CPE: issue full status enquiry */ fr_issue_isf(card, FR_ISF_FSE); - } - else - { /* FR switch: activate DLCI(s) */ - + } else { /* FR switch: activate DLCI(s) */ /* For Switch emulation we have to ADD and ACTIVATE * the DLCI(s) that were configured with the SET_DLCI_ * CONFIGURATION command. Add and Activate will fail if @@ -820,12 +771,13 @@ static int if_open(struct device *dev) * * Also If_open is called once for each interface. But * it does not get in here for all the interface. So - * we have to pass the entire list of DLCI(s) to add + * we have to pass the entire list of DLCI(s) to add * activate routines. - */ - - fr_add_dlci(card, card->u.f.node_dlci[0], card->u.f.dlci_num); - fr_activate_dlci(card, card->u.f.node_dlci, card->u.f.dlci_num); + */ + fr_add_dlci(card, + card->u.f.node_dlci[0], card->u.f.dlci_num); + fr_activate_dlci(card, + card->u.f.node_dlci[0], card->u.f.dlci_num); } } dev->mtu = min(dev->mtu, card->wandev.mtu - FR_HEADER_LEN); @@ -834,8 +786,7 @@ static int if_open(struct device *dev) dev->start = 1; wanpipe_open(card); update_chan_state(dev); - - do_gettimeofday( &tv ); + do_gettimeofday(&tv); chan->router_start_time = tv.tv_sec; card->wandev.critical = 0; return err; @@ -846,17 +797,17 @@ static int if_open(struct device *dev) * o if this is the last open, then disable communications and interrupts. * o reset flags. */ + static int if_close(struct device *dev) { fr_channel_t *chan = dev->priv; sdla_t *card = chan->card; - if (test_and_set_bit(0, (void *) &card->wandev.critical)) return -EAGAIN; - ; dev->start = 0; wanpipe_close(card); - if (!card->open_cnt) { + if (!card->open_cnt) + { wanpipe_set_state(card, WAN_DISCONNECTED); fr_set_intr_mode(card, 0, 0); fr_comm_disable(card); @@ -875,14 +826,15 @@ static int if_close(struct device *dev) * * Return: media header length. */ + static int if_header(struct sk_buff *skb, struct device *dev, unsigned short type, void *daddr, void *saddr, unsigned len) { int hdr_len = 0; - skb->protocol = type; hdr_len = wan_encapsulate(skb, dev); - if (hdr_len < 0) { + if (hdr_len < 0) + { hdr_len = 0; skb->protocol = 0; } @@ -898,13 +850,14 @@ static int if_header(struct sk_buff *skb, struct device *dev, * Return: 1 physical address resolved. * 0 physical address not resolved */ + static int if_rebuild_hdr(struct sk_buff *skb) { - fr_channel_t *chan = skb->dev->priv; + struct device *dev=skb->dev; + fr_channel_t *chan = dev->priv; sdla_t *card = chan->card; - printk(KERN_INFO "%s: rebuild_header() called for interface %s!\n", - card->devname, skb->dev->name); + card->devname, dev->name); return 1; } @@ -926,80 +879,101 @@ static int if_rebuild_hdr(struct sk_buff *skb) * 2. Setting tbusy flag will inhibit further transmit requests from the * protocol stack and can be used for flow control with protocol layer. */ + static int if_send(struct sk_buff *skb, struct device *dev) { fr_channel_t *chan = dev->priv; sdla_t *card = chan->card; int retry = 0, err; + unsigned char *sendpacket; struct device *dev2; - fr508_flags_t* adptr_flags = card->flags; - fr_dlci_interface_t* dlci_interface = chan->dlci_int_interface; + unsigned long check_braddr, check_mcaddr; + fr508_flags_t *adptr_flags = card->flags; + int udp_type, send_data; + fr_dlci_interface_t *dlci_interface = chan->dlci_int_interface; unsigned long host_cpu_flags; - int send_data = 0; - ++chan->if_send_entry; + ++chan->if_send_entry; - if (dev->tbusy) - { + if (dev->tbusy) + { /* If our device stays busy for at least 5 seconds then we will - * kick start the device by making dev->tbusy = 0. We expect - * that our device never stays busy more than 5 seconds. So this * is only used as a last resort. - */ - + * kick start the device by making dev->tbusy = 0. We expect + * that our device never stays busy more than 5 seconds. So this * is only used as a last resort. + */ ++chan->if_send_busy; ++chan->ifstats.collisions; - - if ((jiffies - chan->tick_counter) < (5*HZ)) + if ((jiffies - chan->tick_counter) < (5 * HZ)) return 1; printk(KERN_INFO "%s: Transmit timed out\n", chan->name); - ++chan->if_send_busy_timeout; - /* unbusy all the interfaces on the card */ - for (dev2 = card->wandev.dev; dev2; dev2 = dev2->slave) + for (dev2 = card->wandev.dev; dev2; dev2 = dev2->slave) dev2->tbusy = 0; - } - - if (test_and_set_bit(0, (void *) &card->wandev.critical)) { -#ifdef _DEBUG_ - printk(KERN_INFO "%s: if_send() hit critical section!\n", - card->devname); -#endif + } + sendpacket = skb->data; + udp_type = udp_pkt_type(skb, card); + if (udp_type == UDP_DRVSTATS_TYPE) + { + ++chan->if_send_DRVSTATS_request; + process_udp_driver_call(UDP_PKT_FRM_STACK, card, skb, dev, 0, + chan); dev_kfree_skb(skb); return 0; } - disable_irq(card->hw.irq); + else if (udp_type == UDP_FPIPE_TYPE) + ++chan->if_send_FPIPE_request; + /* retreive source address in two forms: broadcast & multicast */ + check_braddr = sendpacket[17]; + check_mcaddr = sendpacket[14]; + check_braddr = check_braddr << 8; + check_mcaddr = check_mcaddr << 8; + check_braddr |= sendpacket[16]; + check_mcaddr |= sendpacket[15]; + check_braddr = check_braddr << 8; + check_mcaddr = check_mcaddr << 8; + check_braddr |= sendpacket[15]; + check_mcaddr |= sendpacket[16]; + check_braddr = check_braddr << 8; + check_mcaddr = check_mcaddr << 8; + check_braddr |= sendpacket[14]; + check_mcaddr |= sendpacket[17]; + /* if the Source Address is a Multicast address */ + if ((chan->mc == WANOPT_NO) && (check_mcaddr >= 0xE0000001) && + (check_mcaddr <= 0xFFFFFFFE)) + { + printk(KERN_INFO "%s: Multicast Src. Addr. silently discarded\n" + ,card->devname); + dev_kfree_skb(skb); + ++chan->ifstats.tx_dropped; + ++chan->if_send_multicast; + return 0; + } + disable_irq(card->hw.irq); ++card->irq_dis_if_send_count; - - if (test_and_set_bit(0, (void*)&card->wandev.critical)) + if (test_and_set_bit(0, (void *) &card->wandev.critical)) { if (card->wandev.critical == CRITICAL_IN_ISR) - { + { ++chan->if_send_critical_ISR; - - if (card->intr_mode == DLCI_LIST_INTR_MODE) + if (card->intr_mode == DLCI_LIST_INTR_MODE) { /* The enable_tx_int flag is set here so that if - * the critical flag is set due to an interrupt + * the critical flag is set due to an interrupt * then we want to enable transmit interrupts * again. - */ - + */ card->wandev.enable_tx_int = 1; - /* Setting this flag to WAITING_TO_BE_ENABLED * specifies that interrupt bit has to be * enabled for that particular interface. * (delayed interrupt) - */ - + */ chan->tx_int_status = WAITING_TO_BE_ENABLED; - /* This is used for enabling dynamic calculation * of CIRs relative to the packet length. - */ - - chan->pkt_length = skb->len; + */ + chan->pkt_length = skb->len; dev->tbusy = 1; chan->tick_counter = jiffies; } @@ -1011,34 +985,36 @@ static int if_send(struct sk_buff *skb, struct device *dev) } save_flags(host_cpu_flags); cli(); - if ((!(--card->irq_dis_if_send_count)) && - (!card->irq_dis_poll_count)) + if ((!(--card->irq_dis_if_send_count)) && + (!card->irq_dis_poll_count)) enable_irq(card->hw.irq); restore_flags(host_cpu_flags); return 1; } - ++chan->if_send_critical_non_ISR; ++chan->ifstats.tx_dropped; dev_kfree_skb(skb); save_flags(host_cpu_flags); cli(); - if ((!(--card->irq_dis_if_send_count)) && - (!card->irq_dis_poll_count)) - enable_irq(card->hw.irq); + if ((!(--card->irq_dis_if_send_count)) && + (!card->irq_dis_poll_count)) + enable_irq(card->hw.irq); restore_flags(host_cpu_flags); return 0; } - card->wandev.critical = 0x21; - - if (card->wandev.state != WAN_CONNECTED) + if (udp_type == UDP_FPIPE_TYPE) + { + err = process_udp_mgmt_pkt(UDP_PKT_FRM_STACK, card, skb, + dev, 0, chan); + } + else if (card->wandev.state != WAN_CONNECTED) { ++chan->if_send_wan_disconnected; ++chan->ifstats.tx_dropped; ++card->wandev.stats.tx_dropped; } - else if (chan->state != WAN_CONNECTED) + else if (chan->state != WAN_CONNECTED) { ++chan->if_send_dlci_disconnected; update_chan_state(dev); @@ -1047,313 +1023,361 @@ static int if_send(struct sk_buff *skb, struct device *dev) } else if (!is_tx_ready(card, chan)) { - if (card->intr_mode == DLCI_LIST_INTR_MODE ) + if (card->intr_mode == DLCI_LIST_INTR_MODE) { dlci_interface->gen_interrupt |= 0x40; - dlci_interface->packet_length = skb->len; - } - dev->tbusy = 1; + dlci_interface->packet_length = skb->len; + } + dev->tbusy = 1; chan->tick_counter = jiffies; - adptr_flags->imask |= 0x02; - - ++ chan->if_send_no_bfrs; + ++chan->if_send_no_bfrs; retry = 1; } - else + else { send_data = 1; /* If it's an IPX packet */ - if( sendpacket[1] == 0x00 && + if (sendpacket[1] == 0x00 && sendpacket[2] == 0x80 && sendpacket[6] == 0x81 && sendpacket[7] == 0x37) { - if( card->wandev.enable_IPX ) + if (card->wandev.enable_IPX) { - switch_net_numbers(sendpacket, - card->wandev.network_number, 0); - } - else + switch_net_numbers(sendpacket, + card->wandev.network_number, 0); + } + else { /* increment some statistic here! */ send_data = 0; } } - - if (send_data) + if (send_data) { - err = (card->hw.fwid == SFID_FR508) ? - fr508_send(card, chan->dlci, 0, skb->len, skb->data) : - fr502_send(card, chan->dlci, 0, skb->len, skb->data); - + err = (card->hw.fwid == SFID_FR508) ? + fr508_send(card, chan->dlci, 0, skb->len, skb->data) : + fr502_send(card, chan->dlci, 0, skb->len, skb->data); if (err) { if (card->intr_mode == DLCI_LIST_INTR_MODE) { dlci_interface->gen_interrupt |= 0x40; - dlci_interface->packet_length = skb->len; - } - dev->tbusy = 1; + dlci_interface->packet_length = skb->len; + } + dev->tbusy = 1; chan->tick_counter = jiffies; - adptr_flags->imask |= 0x02; + adptr_flags->imask |= 0x02; retry = 1; - ++ chan->if_send_adptr_bfrs_full; - ++ chan->ifstats.tx_errors; - ++ card->wandev.stats.tx_errors; - } - else + ++chan->if_send_adptr_bfrs_full; + ++chan->ifstats.tx_errors; + ++card->wandev.stats.tx_errors; + } + else { - ++ chan->if_send_bfrs_passed_to_adptr; + ++chan->if_send_bfrs_passed_to_adptr; ++chan->ifstats.tx_packets; ++card->wandev.stats.tx_packets; } } } - if (!retry) dev_kfree_skb(skb); card->wandev.critical = 0; save_flags(host_cpu_flags); cli(); - if ((!(--card->irq_dis_if_send_count)) && (!card->irq_dis_poll_count)) - enable_irq(card->hw.irq); + if ((!(--card->irq_dis_if_send_count)) && (!card->irq_dis_poll_count)) + enable_irq(card->hw.irq); restore_flags(host_cpu_flags); return retry; } +/*============================================================================ + * Reply to UDP Management system. + * Return nothing. + */ + +static int reply_udp(unsigned char *data, unsigned int mbox_len) +{ + unsigned short len, udp_length, temp, i, ip_length; + unsigned long sum; + /* Set length of packet */ + len = mbox_len + 62; + /* fill in UDP reply */ + data[38] = 0x02; + /* fill in UDP length */ + udp_length = mbox_len + 40; + /* put it on an even boundary */ + if (udp_length & 0x0001) + { + udp_length += 1; + len += 1; + } + temp = (udp_length << 8) | (udp_length >> 8); + memcpy(&data[26], &temp, 2); + /* swap UDP ports */ + memcpy(&temp, &data[22], 2); + memcpy(&data[22], &data[24], 2); + memcpy(&data[24], &temp, 2); + /* add UDP pseudo header */ + temp = 0x1100; + memcpy(&data[udp_length + 22], &temp, 2); + temp = (udp_length << 8) | (udp_length >> 8); + memcpy(&data[udp_length + 24], &temp, 2); + /* calculate UDP checksum */ + data[28] = data[29] = 0; + sum = 0; + for (i = 0; i < udp_length + 12; i += 2) + { + memcpy(&temp, &data[14 + i], 2); + sum += (unsigned long) temp; + } + while (sum >> 16) + sum = (sum & 0xffffUL) + (sum >> 16); + + temp = (unsigned short) sum; + temp = ~temp; + if (temp == 0) + temp = 0xffff; + memcpy(&data[28], &temp, 2); + /* fill in IP length */ + ip_length = udp_length + 20; + temp = (ip_length << 8) | (ip_length >> 8); + memcpy(&data[4], &temp, 2); + /* swap IP addresses */ + memcpy(&temp, &data[14], 2); + memcpy(&data[14], &data[18], 2); + memcpy(&data[18], &temp, 2); + memcpy(&temp, &data[16], 2); + memcpy(&data[16], &data[20], 2); + memcpy(&data[20], &temp, 2); + /* fill in IP checksum */ + data[12] = data[13] = 0; + sum = 0; + for (i = 0; i < 20; i += 2) + { + memcpy(&temp, &data[2 + i], 2); + sum += (unsigned long) temp; + } + while (sum >> 16) + sum = (sum & 0xffffUL) + (sum >> 16); + temp = (unsigned short) sum; + temp = ~temp; + if (temp == 0) + temp = 0xffff; + memcpy(&data[12], &temp, 2); + return len; +} /* reply_udp */ /* - * If incoming is 0 (outgoing)- if the net numbers is ours make it 0 - * if incoming is 1 - if the net number is 0 make it ours - * + If incoming is 0 (outgoing)- if the net numbers is ours make it 0 + if incoming is 1 - if the net number is 0 make it ours */ - + static void switch_net_numbers(unsigned char *sendpacket, unsigned long network_number, unsigned char incoming) { unsigned long pnetwork_number; - - pnetwork_number = (unsigned long)((sendpacket[14] << 24) + - (sendpacket[15] << 16) + (sendpacket[16] << 8) + - sendpacket[17]); - + pnetwork_number = (unsigned long) ((sendpacket[14] << 24) + + (sendpacket[15] << 16) + (sendpacket[16] << 8) + + sendpacket[17]); if (!incoming) { - if( pnetwork_number == network_number) { - sendpacket[14] = sendpacket[15] = sendpacket[16] = - sendpacket[17] = 0x00; + /* If the destination network number is ours, make it 0 */ + if (pnetwork_number == network_number) { + sendpacket[14] = sendpacket[15] = sendpacket[16] = + sendpacket[17] = 0x00; } } else { - if( pnetwork_number == 0) { - sendpacket[14] = (unsigned char)(network_number >> 24); - sendpacket[15] = (unsigned char)((network_number & - 0x00FF0000) >> 16); - sendpacket[16] = (unsigned char)((network_number & - 0x0000FF00) >> 8); - sendpacket[17] = (unsigned char)(network_number & - 0x000000FF); + /* If the incoming network is 0, make it ours */ + if (pnetwork_number == 0) + { + sendpacket[14] = (unsigned char) (network_number >> 24); + sendpacket[15] = (unsigned char) ((network_number & + 0x00FF0000) >> 16); + sendpacket[16] = (unsigned char) ((network_number & + 0x0000FF00) >> 8); + sendpacket[17] = (unsigned char) (network_number & + 0x000000FF); } } - - - pnetwork_number = (unsigned long)((sendpacket[26] << 24) + - (sendpacket[27] << 16) + (sendpacket[28] << 8) + - sendpacket[29]); - - if( !incoming ) { - if( pnetwork_number == network_number) { - sendpacket[26] = sendpacket[27] = sendpacket[28] = - sendpacket[29] = 0x00; + pnetwork_number = (unsigned long) ((sendpacket[26] << 24) + + (sendpacket[27] << 16) + (sendpacket[28] << 8) + + sendpacket[29]); + if (!incoming) { + /* If the source network is ours, make it 0 */ + if (pnetwork_number == network_number) + { + sendpacket[26] = sendpacket[27] = sendpacket[28] = + sendpacket[29] = 0x00; } } else { - if( pnetwork_number == 0 ) { - sendpacket[26] = (unsigned char)(network_number >> 24); - sendpacket[27] = (unsigned char)((network_number & - 0x00FF0000) >> 16); - sendpacket[28] = (unsigned char)((network_number & - 0x0000FF00) >> 8); - sendpacket[29] = (unsigned char)(network_number & - 0x000000FF); + /* If the source network is 0, make it ours */ + if (pnetwork_number == 0) { + sendpacket[26] = (unsigned char) (network_number >> 24); + sendpacket[27] = (unsigned char) ((network_number & + 0x00FF0000) >> 16); + sendpacket[28] = (unsigned char) ((network_number & + 0x0000FF00) >> 8); + sendpacket[29] = (unsigned char) (network_number & + 0x000000FF); } } -} /* switch_net_numbers */ - +} /* switch_net_numbers */ /*============================================================================ * Get ethernet-style interface statistics. * Return a pointer to struct enet_statistics. */ + static struct net_device_stats *if_stats(struct device *dev) { fr_channel_t *chan = dev->priv; - return &chan->ifstats; } /****** Interrupt Handlers **************************************************/ - /*============================================================================ * S502 frame relay interrupt service routine. */ + static void fr502_isr(sdla_t * card) { fr502_flags_t *flags = card->flags; - switch (flags->iflag) { case 0x01: /* receive interrupt */ fr502_rx_intr(card); break; - case 0x02: /* transmit interrupt */ flags->imask &= ~0x02; tx_intr(card); break; - default: spur_intr(card); } flags->iflag = 0; } - /*============================================================================ * S508 frame relay interrupt service routine. */ + static void fr508_isr(sdla_t * card) { fr508_flags_t *flags = card->flags; fr_buf_ctl_t *bctl; char *ptr = &flags->iflag; - struct device* dev = card->wandev.dev; - struct device* dev2; + struct device *dev = card->wandev.dev; + struct device *dev2; int i; unsigned long host_cpu_flags; - unsigned disable_tx_intr =1; - fr_channel_t* chan; - fr_dlci_interface_t* dlci_interface; - + unsigned disable_tx_intr = 1; + fr_channel_t *chan; + fr_dlci_interface_t *dlci_interface; /* This flag prevents nesting of interrupts. See sdla_isr() routine - * in sdlamain.c. + * in sdlamain.c. */ card->in_isr = 1; - ++card->statistics.isr_entry; - - if (test_and_set_bit(0, (void*)&card->wandev.critical)) + if (test_and_set_bit(0, (void *) &card->wandev.critical)) { - printk(KERN_INFO "fr508_isr: %s, wandev.critical set to 0x%02X, int type = 0x%02X\n", card->devname, card->wandev.critical, flags->iflag); + printk(KERN_INFO "fr508_isr: %s, wandev.critical set to 0x%02X, int type = 0x%02X\n", card->devname, card->wandev.critical, flags->iflag); ++card->statistics.isr_already_critical; card->in_isr = 0; return; } - int_occur = 1; - /* For all interrupts set the critical flag to CRITICAL_RX_INTR. - * If the if_send routine is called with this flag set it will set - * the enable transmit flag to 1. (for a delayed interrupt) - */ + * If the if_send routine is called with this flag set it will set + * the enable transmit flag to 1. (for a delayed interrupt) + */ card->wandev.critical = CRITICAL_IN_ISR; - card->dlci_int_mode_unbusy = 0; - card->buff_int_mode_unbusy = 0; - - switch (flags->iflag) { - case 0x01: /* receive interrupt */ - ++card->statistics.isr_rx; - fr508_rx_intr(card); - break; - - case 0x02: /* transmit interrupt */ - ++card->statistics.isr_tx; - bctl = (void*)(flags->tse_offs - FR_MB_VECTOR + - card->hw.dpmbase); + card->buff_int_mode_unbusy = 0; + switch (flags->iflag) + { + case 0x01: /* receive interrupt */ + ++card->statistics.isr_rx; + fr508_rx_intr(card); + break; + case 0x02: /* transmit interrupt */ + ++card->statistics.isr_tx; + bctl = (void *) (flags->tse_offs - FR_MB_VECTOR + + card->hw.dpmbase); bctl->flag = 0xA0; - - if (card->intr_mode == DLCI_LIST_INTR_MODE ) + if (card->intr_mode == DLCI_LIST_INTR_MODE) { /* Find the structure and make it unbusy */ - dev = find_channel( card, flags->dlci); + dev = find_channel(card, flags->dlci); dev->tbusy = 0; - /* This is used to perform devtint at the * end of the isr */ card->dlci_int_mode_unbusy = 1; - /* check to see if any other interfaces are * busy. If so then do not disable the tx * interrupts - */ - for (dev2 = card->wandev.dev; dev2; - dev2 = dev2->slave) + */ + for (dev2 = card->wandev.dev; dev2; + dev2 = dev2->slave) { - if ( dev2->tbusy == 1) + if (dev2->tbusy == 1) { disable_tx_intr = 0; break; - } + } } if (disable_tx_intr) flags->imask &= ~0x02; - - } + } else if (card->intr_mode == BUFFER_INTR_MODE) { - for (dev2 = card->wandev.dev; dev2; - dev2 = dev2->slave) + for (dev2 = card->wandev.dev; dev2; + dev2 = dev2->slave) { - if ( !dev2 || !dev2->start ) + if (!dev2 || !dev2->start) { - ++card->statistics. - tx_intr_dev_not_started; + ++card->statistics.tx_intr_dev_not_started; continue; } - if(dev2->tbusy) + if (dev2->tbusy) { card->buff_int_mode_unbusy = 1; - ((fr_channel_t*)dev2->priv)->dev_pending_devtint = 1; + ((fr_channel_t *) dev2->priv)->dev_pending_devtint = 1; dev2->tbusy = 0; - } else - ((fr_channel_t*)dev2->priv)->dev_pending_devtint = 0; + } + else + ((fr_channel_t *) dev2->priv)->dev_pending_devtint = 0; } - flags->imask &= ~0x02; + flags->imask &= ~0x02; } - break; - + break; case 0x08: - Intr_test_counter++; + Intr_test_counter++; ++card->statistics.isr_intr_test; - break; - + break; default: - ++card->statistics.isr_spurious; - spur_intr(card); - printk(KERN_INFO "%s: Interrupt Type 0x%02X!\n", - card->devname, flags->iflag); - - printk(KERN_INFO "%s: ID Bytes = ",card->devname); - for(i = 0; i < 8; i ++) + ++card->statistics.isr_spurious; + spur_intr(card); + printk(KERN_INFO "%s: Interrupt Type 0x%02X!\n", + card->devname, flags->iflag); + printk(KERN_INFO "%s: ID Bytes = ", card->devname); + for (i = 0; i < 8; i++) printk(KERN_INFO "0x%02X ", *(ptr + 0x28 + i)); - printk(KERN_INFO "\n"); - + printk(KERN_INFO "\n"); break; - } - + } card->wandev.critical = CRITICAL_INTR_HANDLED; if (card->wandev.enable_tx_int) { - if( card->intr_mode == DLCI_LIST_INTR_MODE ) - { - for (dev2 = card->wandev.dev; dev2; dev2 = dev2->slave) + if (card->intr_mode == DLCI_LIST_INTR_MODE) + { + for (dev2 = card->wandev.dev; dev2; dev2 = dev2->slave) { - chan = dev2->priv; - if ( chan->tx_int_status == - WAITING_TO_BE_ENABLED ) + chan = dev2->priv; + if (chan->tx_int_status == WAITING_TO_BE_ENABLED) { - dlci_interface = - chan->dlci_int_interface; + dlci_interface = chan->dlci_int_interface; dlci_interface->gen_interrupt |= 0x40; - dlci_interface->packet_length = - chan->pkt_length; + dlci_interface->packet_length = chan->pkt_length; chan->tx_int_status = DISABLED; } } @@ -1361,7 +1385,7 @@ static void fr508_isr(sdla_t * card) card->wandev.enable_tx_int = 0; flags->imask |= 0x02; ++card->statistics.isr_enable_tx_int; - } + } save_flags(host_cpu_flags); cli(); card->in_isr = 0; @@ -1369,35 +1393,30 @@ static void fr508_isr(sdla_t * card) flags->iflag = 0; card->wandev.critical = 0; restore_flags(host_cpu_flags); - - /* - * Device is now ready to send. The instant this is executed the If_Send - * routine is called. That is why this is put at the bottom of the ISR - * to prevent a endless loop condition caused by repeated Interrupts and - * enable_tx_int flag. + /* Device is now ready to send. The instant this is executed the If_Send + routine is called. That is why this is put at the bottom of the ISR + to prevent a endless loop condition caused by repeated Interrupts and + enable_tx_int flag. */ - - if(card->dlci_int_mode_unbusy) - dev_tint(dev); - - if(card->buff_int_mode_unbusy) + if (card->dlci_int_mode_unbusy) + mark_bh(NET_BH); + if (card->buff_int_mode_unbusy) { for (;;) { - if (((fr_channel_t*)((card->devs_struct)->dev_ptr)->priv)->dev_pending_devtint == 1){ - - ((fr_channel_t*)((card->devs_struct)->dev_ptr)->priv)->dev_pending_devtint=0; - dev_tint((card->devs_struct)->dev_ptr); + if (((fr_channel_t *) ((card->devs_struct)->dev_ptr)->priv)->dev_pending_devtint == 1) + { + ((fr_channel_t *) ((card->devs_struct)->dev_ptr)->priv)->dev_pending_devtint = 0; + mark_bh(NET_BH); } if ((card->devs_struct)->next == card->dev_to_devtint_next) break; card->devs_struct = (card->devs_struct)->next; } card->devs_struct = (card->dev_to_devtint_next)->next; - card->dev_to_devtint_next = card->devs_struct; + card->dev_to_devtint_next = card->devs_struct; } } - /*============================================================================ * Receive interrupt handler. */ @@ -1410,28 +1429,31 @@ static void fr502_rx_intr(sdla_t * card) fr_channel_t *chan; unsigned dlci, len; void *buf; - + unsigned char *sendpacket; + unsigned char buf2[3]; + int udp_type; sdla_mapmem(&card->hw, FR502_RX_VECTOR); - dlci = mbox->cmd.dlci; len = mbox->cmd.length; - /* Find network interface for this packet */ dev = find_channel(card, dlci); - if (dev == NULL) { + if (dev == NULL) + { /* Invalid channel, discard packet */ printk(KERN_INFO "%s: receiving on orphaned DLCI %d!\n", card->devname, dlci); sdla_mapmem(&card->hw, FR_MB_VECTOR); } chan = dev->priv; - if (!dev->start) { + if (!dev->start) + { ++chan->ifstats.rx_dropped; sdla_mapmem(&card->hw, FR_MB_VECTOR); } /* Allocate socket buffer */ skb = dev_alloc_skb(len); - if (skb == NULL) { + if (skb == NULL) + { printk(KERN_INFO "%s: no socket buffers available!\n", card->devname); ++chan->ifstats.rx_dropped; @@ -1441,26 +1463,50 @@ static void fr502_rx_intr(sdla_t * card) buf = skb_put(skb, len); memcpy(buf, mbox->data, len); sdla_mapmem(&card->hw, FR_MB_VECTOR); - - /* Decapsulate packet and pass it up the protocol stack */ - skb->dev = dev; - buf = skb_pull(skb, 1); /* remove hardware header */ - if (!wan_type_trans(skb, dev)) { - /* can't decapsulate packet */ - dev_kfree_skb(skb); - ++chan->ifstats.rx_errors; - ++card->wandev.stats.rx_errors; - } else { - netif_rx(skb); - ++chan->ifstats.rx_packets; - ++card->wandev.stats.rx_packets; + /* Check if it's a UDP management packet */ + sendpacket = skb->data; + memcpy(&buf2, &card->wandev.udp_port, 2); + udp_type = udp_pkt_type(skb, card); + if ((udp_type == UDP_FPIPE_TYPE) || (udp_type == UDP_DRVSTATS_TYPE)) + { + if (udp_type == UDP_DRVSTATS_TYPE) + { + ++chan->rx_intr_DRVSTATS_request; + process_udp_driver_call(UDP_PKT_FRM_NETWORK, card, skb, + dev, dlci, chan); + } + else + { + ++chan->rx_intr_FPIPE_request; + process_udp_mgmt_pkt(UDP_PKT_FRM_NETWORK, card, skb, + dev, dlci, chan); + } + } + else + { + /* Decapsulate packet and pass it up the protocol stack */ + skb->dev = dev; + buf = skb_pull(skb, 1); /* remove hardware header */ + if (!wan_type_trans(skb, dev)) + { + /* can't decapsulate packet */ + dev_kfree_skb(skb); + ++chan->ifstats.rx_errors; + ++card->wandev.stats.rx_errors; + } + else + { + netif_rx(skb); + ++chan->ifstats.rx_packets; + ++card->wandev.stats.rx_packets; + } } sdla_mapmem(&card->hw, FR_MB_VECTOR); } - /*============================================================================ * Receive interrupt handler. */ + static void fr508_rx_intr(sdla_t * card) { fr_buf_ctl_t *frbuf = card->rxmb; @@ -1470,134 +1516,127 @@ static void fr508_rx_intr(sdla_t * card) unsigned dlci, len, offs; void *buf; unsigned rx_count = 0; - fr508_flags_t* flags = card->flags; + fr508_flags_t *flags = card->flags; char *ptr = &flags->iflag; - int i, err; - - if (frbuf->flag != 0x01) { - printk(KERN_INFO "%s: corrupted Rx buffer @ 0x%X!\n", - card->devname, (unsigned) frbuf); - printk(KERN_INFO "%s: ID Bytes = ",card->devname); - for(i = 0; i < 8; i ++) + int i, err, udp_type; + if (frbuf->flag != 0x01) + { + printk(KERN_INFO + "%s: corrupted Rx buffer @ 0x%X, flag = 0x%02X!\n", + card->devname, (unsigned) frbuf, frbuf->flag); + printk(KERN_INFO "%s: ID Bytes = ", card->devname); + for (i = 0; i < 8; i++) printk(KERN_INFO "0x%02X ", *(ptr + 0x28 + i)); printk(KERN_INFO "\n"); - ++card->statistics.rx_intr_corrupt_rx_bfr; return; } - - do + + do { - len = frbuf->length; + len = frbuf->length; dlci = frbuf->dlci; offs = frbuf->offset; - /* Find network interface for this packet */ dev = find_channel(card, dlci); chan = dev->priv; - if (dev == NULL) { /* Invalid channel, discard packet */ printk(KERN_INFO "%s: receiving on orphaned DLCI %d!\n" - , card->devname, dlci); - ++card->statistics.rx_intr_on_orphaned_DLCI; - } + ,card->devname, dlci); + ++card->statistics.rx_intr_on_orphaned_DLCI; + } else { - skb = dev_alloc_skb(len); - if (!dev->start || (skb == NULL)) - { + skb = dev_alloc_skb(len); + if (!dev->start || (skb == NULL)) + { ++chan->ifstats.rx_dropped; - if(dev->start) + if (dev->start) { - printk(KERN_INFO - "%s: no socket buffers available!\n", - card->devname); - ++chan->rx_intr_no_socket; - - } - else - ++ chan->rx_intr_dev_not_started; - } + printk(KERN_INFO + "%s: no socket buffers available!\n", + card->devname); + ++chan->rx_intr_no_socket; + } else + ++chan->rx_intr_dev_not_started; + } else { /* Copy data to the socket buffer */ if ((offs + len) > card->u.f.rx_top + 1) { - unsigned tmp = card->u.f.rx_top - - offs + 1; - + unsigned tmp = card->u.f.rx_top - offs + 1; buf = skb_put(skb, tmp); sdla_peek(&card->hw, offs, buf, tmp); offs = card->u.f.rx_base; - len -= tmp; - } - + len -= tmp; + } buf = skb_put(skb, len); sdla_peek(&card->hw, offs, buf, len); -#ifdef CONFIG_SANGOMA_MANAGER - if (management_check(skb,card)) + udp_type = udp_pkt_type(skb, card); + if (udp_type == UDP_DRVSTATS_TYPE) { ++chan->rx_intr_DRVSTATS_request; - } - else -#endif - if (handle_IPXWAN(skb->data,card->devname, card->wandev.enable_IPX, card->wandev.network_number)) + process_udp_driver_call( + UDP_PKT_FRM_NETWORK, card, skb, + dev, dlci, chan); + } + else if (udp_type == UDP_FPIPE_TYPE) + { + ++chan->rx_intr_FPIPE_request; + err = process_udp_mgmt_pkt( + UDP_PKT_FRM_NETWORK, card, + skb, dev, dlci, chan); + } + else if (handle_IPXWAN(skb->data, card->devname, card->wandev.enable_IPX, card->wandev.network_number)) { if (card->wandev.enable_IPX) - { fr508_send(card, dlci, 0, skb->len, skb->data); - } else { - /* increment some statistic! */ - } - } - else + } + else { - /* Decapsulate packet and pass it up the - protocol stack */ + /* Decapsulate packet and pass it up the + protocol stack */ skb->dev = dev; - /* remove hardware header */ - buf = skb_pull(skb, 1); - + buf = skb_pull(skb, 1); if (!wan_type_trans(skb, dev)) { /* can't decapsulate packet */ dev_kfree_skb(skb); - ++chan->rx_intr_bfr_not_passed_to_stack; - ++chan->ifstats.rx_errors; - ++card->wandev.stats.rx_errors; + ++chan-> + rx_intr_bfr_not_passed_to_stack; + ++chan-> + ifstats.rx_errors; + ++card-> + wandev.stats.rx_errors; } else { netif_rx(skb); - ++ chan->rx_intr_bfr_passed_to_stack; - ++ chan->ifstats.rx_packets; - ++ card->wandev.stats.rx_packets; + ++chan->rx_intr_bfr_passed_to_stack; + ++chan->ifstats.rx_packets; + ++card->wandev.stats.rx_packets; } - } - } - } - - /* Release buffer element and calculate a pointer to the next + } + } + } + /* Release buffer element and calculate a pointer to the next one */ - frbuf->flag = 0; + frbuf->flag = 0; card->rxmb = ++frbuf; - - if ((void*)frbuf > card->u.f.rxmb_last) + if ((void *) frbuf > card->u.f.rxmb_last) card->rxmb = card->u.f.rxmb_base; - /* The loop put in is temporary, that is why the break is - * placed here. (?????) + * placed here. (?????) */ break; - - frbuf = card->rxmb; - - } while (frbuf->flag && ((++ rx_count) < 4)); + frbuf = card->rxmb; + } + while (frbuf->flag && ((++rx_count) < 4)); } - /*============================================================================ * Transmit interrupt handler. * o print a warning @@ -1607,25 +1646,23 @@ static void fr508_rx_intr(sdla_t * card) static void tx_intr(sdla_t * card) { struct device *dev = card->wandev.dev; - if (card->intr_mode == BUFFER_INTR_MODE) - { + { for (; dev; dev = dev->slave) { - if ( !dev || !dev->start ) - { - ++ card->statistics.tx_intr_dev_not_started; + if (!dev || !dev->start) + { + ++card->statistics.tx_intr_dev_not_started; continue; } - dev->tbusy = 0; - dev_tint(dev); + mark_bh(NET_BH); } } else { dev->tbusy = 0; - dev_tint(dev); + mark_bh(NET_BH); } } @@ -1635,70 +1672,75 @@ static void tx_intr(sdla_t * card) * o * If number of spurious interrupts exceeded some limit, then ??? */ + static void spur_intr(sdla_t * card) { printk(KERN_INFO "%s: spurious interrupt!\n", card->devname); } /* - Return 0 for non-IPXWAN packet - 1 for IPXWAN packet or IPX is not enabled! - -*/ + Return 0 for non-IPXWAN packet + 1 for IPXWAN packet or IPX is not enabled! + */ static int handle_IPXWAN(unsigned char *sendpacket, char *devname, unsigned char enable_IPX, unsigned long network_number) { int i; - - if( sendpacket[1] == 0x00 && + if (sendpacket[1] == 0x00 && sendpacket[2] == 0x80 && sendpacket[6] == 0x81 && - sendpacket[7] == 0x37) { - - if(!enable_IPX) { + sendpacket[7] == 0x37) + { + /* It's an IPX packet */ + if (!enable_IPX) { + /* Return 1 so we don't pass it up the stack. */ return 1; } - } else { + } + else + { + /* It's not IPX so return and pass it up the stack. */ return 0; } - - if( sendpacket[24] == 0x90 && - sendpacket[25] == 0x04) + if (sendpacket[24] == 0x90 && + sendpacket[25] == 0x04) { - if( sendpacket[10] == 0x02 && - sendpacket[42] == 0x00) + /* It's IPXWAN */ + if (sendpacket[10] == 0x02 && + sendpacket[42] == 0x00) { - printk(KERN_INFO "%s: Received IPXWAN Timer Request packet\n",devname); - - for(i = 49; sendpacket[i] == 0x00; i += 5) + /* It's a timer request packet */ + printk(KERN_INFO "%s: Received IPXWAN Timer Request packet\n", devname); + /* Go through the routing options and answer no to every */ + /* option except Unnumbered RIP/SAP */ + for (i = 49; sendpacket[i] == 0x00; i += 5) { - if( sendpacket[i + 4] != 0x02) + /* 0x02 is the option for Unnumbered RIP/SAP */ + if (sendpacket[i + 4] != 0x02) { sendpacket[i + 1] = 0; } } - - if( sendpacket[i] == 0x04 ) - { + /* Skip over the extended Node ID option */ + if (sendpacket[i] == 0x04) i += 8; - } - - for(; sendpacket[i] == 0x80 ;) + /* We also want to turn off all header compression opt. */ + for (; sendpacket[i] == 0x80;) { sendpacket[i + 1] = 0; i += (sendpacket[i + 2] << 8) + (sendpacket[i + 3]) + 4; } - + /* Set the packet type to timer response */ sendpacket[42] = 0x01; - - printk(KERN_INFO "%s: Sending IPXWAN Timer Response\n",devname); + printk(KERN_INFO "%s: Sending IPXWAN Timer Response\n", devname); } - else if( sendpacket[42] == 0x02 ) + else if (sendpacket[42] == 0x02) { - printk(KERN_INFO "%s: Received IPXWAN Information Request packet\n",devname); - + /* This is an information request packet */ + printk(KERN_INFO "%s: Received IPXWAN Information Request packet\n", devname); + /* Set the packet type to information response */ sendpacket[42] = 0x03; - + /* Set the router name */ sendpacket[59] = 'F'; sendpacket[60] = 'P'; sendpacket[61] = 'I'; @@ -1706,39 +1748,35 @@ static int handle_IPXWAN(unsigned char *sendpacket, char *devname, unsigned char sendpacket[63] = 'E'; sendpacket[64] = '-'; sendpacket[65] = CVHexToAscii(network_number >> 28); - sendpacket[66] = CVHexToAscii((network_number & 0x0F000000)>> 24); - sendpacket[67] = CVHexToAscii((network_number & 0x00F00000)>> 20); - sendpacket[68] = CVHexToAscii((network_number & 0x000F0000)>> 16); - sendpacket[69] = CVHexToAscii((network_number & 0x0000F000)>> 12); - sendpacket[70] = CVHexToAscii((network_number & 0x00000F00)>> 8); - sendpacket[71] = CVHexToAscii((network_number & 0x000000F0)>> 4); + sendpacket[66] = CVHexToAscii((network_number & 0x0F000000) >> 24); + sendpacket[67] = CVHexToAscii((network_number & 0x00F00000) >> 20); + sendpacket[68] = CVHexToAscii((network_number & 0x000F0000) >> 16); + sendpacket[69] = CVHexToAscii((network_number & 0x0000F000) >> 12); + sendpacket[70] = CVHexToAscii((network_number & 0x00000F00) >> 8); + sendpacket[71] = CVHexToAscii((network_number & 0x000000F0) >> 4); sendpacket[72] = CVHexToAscii(network_number & 0x0000000F); - for(i = 73; i < 107; i+= 1) - { + for (i = 73; i < 107; i += 1) sendpacket[i] = 0; - } - - printk(KERN_INFO "%s: Sending IPXWAN Information Response packet\n",devname); + printk(KERN_INFO "%s: Sending IPXWAN Information Response packet\n", devname); } else { - printk(KERN_INFO "%s: Unknown IPXWAN packet!\n",devname); + printk(KERN_INFO "%s: Unknown IPXWAN packet!\n", devname); return 0; } - - sendpacket[43] = (unsigned char)(network_number >> 24); - sendpacket[44] = (unsigned char)((network_number & 0x00FF0000) >> 16); - sendpacket[45] = (unsigned char)((network_number & 0x0000FF00) >> 8); - sendpacket[46] = (unsigned char)(network_number & 0x000000FF); - + /* Set the WNodeID to our network address */ + sendpacket[43] = (unsigned char) (network_number >> 24); + sendpacket[44] = (unsigned char) ((network_number & 0x00FF0000) >> 16); + sendpacket[45] = (unsigned char) ((network_number & 0x0000FF00) >> 8); + sendpacket[46] = (unsigned char) (network_number & 0x000000FF); return 1; } - - switch_net_numbers(sendpacket, network_number ,1); + /* If we get here, its an IPX-data packet so it'll get passed up the stack. */ + /* switch the network numbers */ + switch_net_numbers(sendpacket, network_number, 1); return 0; } - /****** Background Polling Routines ****************************************/ /*============================================================================ @@ -1755,136 +1793,127 @@ static int handle_IPXWAN(unsigned char *sendpacket, char *devname, unsigned char static void wpf_poll(sdla_t * card) { - fr508_flags_t *flags; +/* struct device* dev = card->wandev.dev; */ + fr508_flags_t *flags = card->flags; unsigned long host_cpu_flags; - ++card->statistics.poll_entry; - - if (((jiffies - card->state_tick) < HZ) || - (card->intr_mode == INTR_TEST_MODE)) + if (((jiffies - card->state_tick) < HZ) || + (card->intr_mode == INTR_TEST_MODE)) return; - disable_irq(card->hw.irq); ++card->irq_dis_poll_count; - - if (test_and_set_bit(0, (void *)&card->wandev.critical)) + if (test_and_set_bit(0, (void *) &card->wandev.critical)) { - ++ card->statistics.poll_already_critical; + ++card->statistics.poll_already_critical; save_flags(host_cpu_flags); cli(); if ((!card->irq_dis_if_send_count) && - (!(--card->irq_dis_poll_count))) - enable_irq(card->hw.irq); + (!(--card->irq_dis_poll_count))) + enable_irq(card->hw.irq); restore_flags(host_cpu_flags); - return; } - card->wandev.critical = 0x11; - - ++ card->statistics.poll_processed; - - if (flags->event) { - fr_mbox_t* mbox = card->mbox; + ++card->statistics.poll_processed; + /* This is to be changed later ??? */ + /* + if( dev && dev->tbusy && !(flags->imask & 0x02) ) { + printk(KERN_INFO "%s: Wpf_Poll: tbusy = 0x01, imask = 0x%02X\n", card->devname, flags->imask); + } + */ + if (flags->event) + { + fr_mbox_t *mbox = card->mbox; int err; - memset(&mbox->cmd, 0, sizeof(fr_cmd_t)); mbox->cmd.command = FR_READ_STATUS; err = sdla_exec(mbox) ? mbox->cmd.result : CMD_TIMEOUT; if (err) fr_event(card, err, mbox); } - card->wandev.critical = 0; - save_flags(host_cpu_flags); cli(); - if ((!card->irq_dis_if_send_count) && (!(--card->irq_dis_poll_count))) + if ((!card->irq_dis_if_send_count) && (!(--card->irq_dis_poll_count))) enable_irq(card->hw.irq); restore_flags(host_cpu_flags); - card->state_tick = jiffies; } - /****** Frame Relay Firmware-Specific Functions *****************************/ /*============================================================================ * Read firmware code version. * o fill string str with firmware version info. */ + static int fr_read_version(sdla_t * card, char *str) { fr_mbox_t *mbox = card->mbox; int retry = MAX_CMD_RETRY; int err; - - do { + do + { memset(&mbox->cmd, 0, sizeof(fr_cmd_t)); mbox->cmd.command = FR_READ_CODE_VERSION; err = sdla_exec(mbox) ? mbox->cmd.result : CMD_TIMEOUT; - } - while (err && retry-- && fr_event(card, err, mbox)); - if (!err && str) { + } while (err && retry-- && fr_event(card, err, mbox)); + + if (!err && str) + { int len = mbox->cmd.length; - memcpy(str, mbox->data, len); str[len] = '\0'; } return err; } - /*============================================================================ * Set global configuration. */ + static int fr_configure(sdla_t * card, fr_conf_t * conf) { fr_mbox_t *mbox = card->mbox; int retry = MAX_CMD_RETRY; int dlci_num = card->u.f.dlci_num; int err, i; - - do { + do + { memset(&mbox->cmd, 0, sizeof(fr_cmd_t)); memcpy(mbox->data, conf, sizeof(fr_conf_t)); - - if (dlci_num) for (i = 0; i < dlci_num; ++i) - ((fr_conf_t*)mbox->data)->dlci[i] = - card->u.f.node_dlci[i]; - + if (dlci_num) + for (i = 0; i < dlci_num; ++i) + ((fr_conf_t *) mbox->data)->dlci[i] = + card->u.f.node_dlci[i]; mbox->cmd.command = FR_SET_CONFIG; mbox->cmd.length = sizeof(fr_conf_t) + dlci_num * sizeof(short); err = sdla_exec(mbox) ? mbox->cmd.result : CMD_TIMEOUT; } while (err && retry-- && fr_event(card, err, mbox)); + return err; } - /*============================================================================ * Set DLCI configuration. */ -static int fr_dlci_configure (sdla_t* card, fr_dlc_conf_t *conf, unsigned dlci) +static int fr_dlci_configure(sdla_t * card, fr_dlc_conf_t * conf, unsigned dlci) { - fr_mbox_t* mbox = card->mbox; + fr_mbox_t *mbox = card->mbox; int retry = MAX_CMD_RETRY; int err; - do { memset(&mbox->cmd, 0, sizeof(fr_cmd_t)); memcpy(mbox->data, conf, sizeof(fr_dlc_conf_t)); - mbox->cmd.dlci = (unsigned short) dlci; + mbox->cmd.dlci = (unsigned short) dlci; mbox->cmd.command = FR_SET_CONFIG; mbox->cmd.length = 0x0E; - err = sdla_exec(mbox) ? mbox->cmd.result : CMD_TIMEOUT; - - } while (err && retry--); - + } + while (err && retry--); return err; } - /*============================================================================ * Set interrupt mode. */ @@ -1893,19 +1922,20 @@ static int fr_set_intr_mode(sdla_t * card, unsigned mode, unsigned mtu) fr_mbox_t *mbox = card->mbox; int retry = MAX_CMD_RETRY; int err; - - do { + do + { memset(&mbox->cmd, 0, sizeof(fr_cmd_t)); - if (card->hw.fwid == SFID_FR502) { + if (card->hw.fwid == SFID_FR502) + { fr502_intr_ctl_t *ictl = (void *) mbox->data; - memset(ictl, 0, sizeof(fr502_intr_ctl_t)); ictl->mode = mode; ictl->tx_len = mtu; mbox->cmd.length = sizeof(fr502_intr_ctl_t); - } else { + } + else + { fr508_intr_ctl_t *ictl = (void *) mbox->data; - memset(ictl, 0, sizeof(fr508_intr_ctl_t)); ictl->mode = mode; ictl->tx_len = mtu; @@ -1916,9 +1946,9 @@ static int fr_set_intr_mode(sdla_t * card, unsigned mode, unsigned mtu) err = sdla_exec(mbox) ? mbox->cmd.result : CMD_TIMEOUT; } while (err && retry-- && fr_event(card, err, mbox)); + return err; } - /*============================================================================ * Enable communications. */ @@ -1927,16 +1957,16 @@ static int fr_comm_enable(sdla_t * card) fr_mbox_t *mbox = card->mbox; int retry = MAX_CMD_RETRY; int err; - - do { + do + { memset(&mbox->cmd, 0, sizeof(fr_cmd_t)); mbox->cmd.command = FR_COMM_ENABLE; err = sdla_exec(mbox) ? mbox->cmd.result : CMD_TIMEOUT; } while (err && retry-- && fr_event(card, err, mbox)); + return err; } - /*============================================================================ * Disable communications. */ @@ -1945,16 +1975,16 @@ static int fr_comm_disable(sdla_t * card) fr_mbox_t *mbox = card->mbox; int retry = MAX_CMD_RETRY; int err; - - do { + do + { memset(&mbox->cmd, 0, sizeof(fr_cmd_t)); mbox->cmd.command = FR_COMM_DISABLE; err = sdla_exec(mbox) ? mbox->cmd.result : CMD_TIMEOUT; } while (err && retry-- && fr_event(card, err, mbox)); + return err; } - /*============================================================================ * Get communications error statistics. */ @@ -1963,26 +1993,26 @@ static int fr_get_err_stats(sdla_t * card) fr_mbox_t *mbox = card->mbox; int retry = MAX_CMD_RETRY; int err; - - do { + + do + { memset(&mbox->cmd, 0, sizeof(fr_cmd_t)); mbox->cmd.command = FR_READ_ERROR_STATS; err = sdla_exec(mbox) ? mbox->cmd.result : CMD_TIMEOUT; } while (err && retry-- && fr_event(card, err, mbox)); - - if (!err) { - fr_comm_stat_t* stats = (void*)mbox->data; - - card->wandev.stats.rx_over_errors = stats->rx_overruns; - card->wandev.stats.rx_crc_errors = stats->rx_bad_crc; - card->wandev.stats.rx_missed_errors = stats->rx_aborts; - card->wandev.stats.rx_length_errors = stats->rx_too_long; + + if (!err) + { + fr_comm_stat_t *stats = (void *) mbox->data; + card->wandev.stats.rx_over_errors = stats->rx_overruns; + card->wandev.stats.rx_crc_errors = stats->rx_bad_crc; + card->wandev.stats.rx_missed_errors = stats->rx_aborts; + card->wandev.stats.rx_length_errors = stats->rx_too_long; card->wandev.stats.tx_aborted_errors = stats->tx_aborts; } return err; } - /*============================================================================ * Get statistics. */ @@ -1991,74 +2021,68 @@ static int fr_get_stats(sdla_t * card) fr_mbox_t *mbox = card->mbox; int retry = MAX_CMD_RETRY; int err; - - do { + do + { memset(&mbox->cmd, 0, sizeof(fr_cmd_t)); mbox->cmd.command = FR_READ_STATISTICS; err = sdla_exec(mbox) ? mbox->cmd.result : CMD_TIMEOUT; } while (err && retry-- && fr_event(card, err, mbox)); - - if (!err) { + + if (!err) + { fr_link_stat_t *stats = (void *) mbox->data; - card->wandev.stats.rx_frame_errors = stats->rx_bad_format; - card->wandev.stats.rx_dropped = - stats->rx_dropped + stats->rx_dropped2 - ; + card->wandev.stats.rx_dropped = stats->rx_dropped + stats->rx_dropped2; } return err; } - /*============================================================================ - * Add DLCI(s) (Access Node only!). + * Add DLCI(s) (Access Node only!). + * This routine will perform the ADD_DLCIs command for the specified DLCI. */ - static int fr_add_dlci(sdla_t * card, int dlci, int num) { fr_mbox_t *mbox = card->mbox; int retry = MAX_CMD_RETRY; int err, i; - - do { + do + { unsigned short *dlci_list = (void *) mbox->data; - memset(&mbox->cmd, 0, sizeof(fr_cmd_t)); for (i = 0; i < num; ++i) dlci_list[i] = card->u.f.node_dlci[i]; - mbox->cmd.length = num * sizeof(short); mbox->cmd.command = FR_ADD_DLCI; err = sdla_exec(mbox) ? mbox->cmd.result : CMD_TIMEOUT; } while (err && retry-- && fr_event(card, err, mbox)); + return err; } - /*============================================================================ * Activate DLCI(s) (Access Node only!). + * This routine will perform the ACTIVATE_DLCIs command with a list of DLCIs. */ static int fr_activate_dlci(sdla_t * card, int dlci, int num) { fr_mbox_t *mbox = card->mbox; int retry = MAX_CMD_RETRY; int err, i; - - do { + do + { unsigned short *dlci_list = (void *) mbox->data; - memset(&mbox->cmd, 0, sizeof(fr_cmd_t)); for (i = 0; i < num; ++i) dlci_list[i] = card->u.f.node_dlci[i]; - mbox->cmd.length = num * sizeof(short); mbox->cmd.command = FR_ACTIVATE_DLCI; err = sdla_exec(mbox) ? mbox->cmd.result : CMD_TIMEOUT; } while (err && retry-- && fr_event(card, err, mbox)); + return err; } - /*============================================================================ * Issue in-channel signalling frame. */ @@ -2067,8 +2091,8 @@ static int fr_issue_isf(sdla_t * card, int isf) fr_mbox_t *mbox = card->mbox; int retry = MAX_CMD_RETRY; int err; - - do { + do + { memset(&mbox->cmd, 0, sizeof(fr_cmd_t)); mbox->data[0] = isf; mbox->cmd.length = 1; @@ -2076,9 +2100,9 @@ static int fr_issue_isf(sdla_t * card, int isf) err = sdla_exec(mbox) ? mbox->cmd.result : CMD_TIMEOUT; } while (err && retry-- && fr_event(card, err, mbox)); + return err; } - /*============================================================================ * Send a frame (S502 version). */ @@ -2087,8 +2111,9 @@ static int fr502_send(sdla_t * card, int dlci, int attr, int len, void *buf) fr_mbox_t *mbox = card->mbox; int retry = MAX_CMD_RETRY; int err; - - do { + + do + { memset(&mbox->cmd, 0, sizeof(fr_cmd_t)); memcpy(mbox->data, buf, len); mbox->cmd.dlci = dlci; @@ -2098,9 +2123,9 @@ static int fr502_send(sdla_t * card, int dlci, int attr, int len, void *buf) err = sdla_exec(mbox) ? mbox->cmd.result : CMD_TIMEOUT; } while (err && retry-- && fr_event(card, err, mbox)); + return err; } - /*============================================================================ * Send a frame (S508 version). */ @@ -2109,8 +2134,9 @@ static int fr508_send(sdla_t * card, int dlci, int attr, int len, void *buf) fr_mbox_t *mbox = card->mbox; int retry = MAX_CMD_RETRY; int err; - - do { + + do + { memset(&mbox->cmd, 0, sizeof(fr_cmd_t)); mbox->cmd.dlci = dlci; mbox->cmd.attr = attr; @@ -2119,8 +2145,9 @@ static int fr508_send(sdla_t * card, int dlci, int attr, int len, void *buf) err = sdla_exec(mbox) ? mbox->cmd.result : CMD_TIMEOUT; } while (err && retry-- && fr_event(card, err, mbox)); - - if (!err) { + + if (!err) + { fr_buf_ctl_t *frbuf = (void *) (*(unsigned long *) mbox->data - FR_MB_VECTOR + card->hw.dpmbase); sdla_poke(&card->hw, frbuf->offset, buf, len); @@ -2138,53 +2165,47 @@ static int fr508_send(sdla_t * card, int dlci, int attr, int len, void *buf) * * Return zero if previous command has to be cancelled. */ + static int fr_event(sdla_t * card, int event, fr_mbox_t * mbox) { - fr508_flags_t* flags = card->flags; + fr508_flags_t *flags = card->flags; char *ptr = &flags->iflag; int i; - switch (event) { case FRRES_MODEM_FAILURE: return fr_modem_failure(card, mbox); - case FRRES_CHANNEL_DOWN: wanpipe_set_state(card, WAN_DISCONNECTED); return 1; - case FRRES_CHANNEL_UP: wanpipe_set_state(card, WAN_CONNECTED); return 1; - case FRRES_DLCI_CHANGE: return fr_dlci_change(card, mbox); - case FRRES_DLCI_MISMATCH: - printk(KERN_INFO "%s: DLCI list mismatch!\n", card->devname); + printk(KERN_INFO "%s: DLCI list mismatch!\n", + card->devname); return 1; - case CMD_TIMEOUT: printk(KERN_ERR "%s: command 0x%02X timed out!\n", card->devname, mbox->cmd.command); - printk(KERN_INFO "%s: ID Bytes = ",card->devname); - for(i = 0; i < 8; i ++) + printk(KERN_INFO "%s: ID Bytes = ", card->devname); + for (i = 0; i < 8; i++) printk(KERN_INFO "0x%02X ", *(ptr + 0x28 + i)); - printk(KERN_INFO "\n"); - break; - + printk(KERN_INFO "\n"); + break; case FRRES_DLCI_INACTIVE: - printk(KERN_ERR "%s: DLCI %u is inactive!\n", - card->devname, mbox->cmd.dlci); + printk(KERN_ERR "%s: DLCI %u is inactive!\n", + card->devname, mbox->cmd.dlci); break; - case FRRES_CIR_OVERFLOW: break; case FRRES_BUFFER_OVERFLOW: - break; + break; default: - printk(KERN_INFO "%s: command 0x%02X returned 0x%02X!\n", - card->devname, mbox->cmd.command, event); + printk(KERN_INFO "%s: command 0x%02X returned 0x%02X!\n" + ,card->devname, mbox->cmd.command, event); } return 0; } @@ -2206,7 +2227,6 @@ static int fr_modem_failure(sdla_t * card, fr_mbox_t * mbox) } return 1; } - /*============================================================================ * Handle DLCI status change. * @@ -2218,18 +2238,18 @@ static int fr_dlci_change(sdla_t * card, fr_mbox_t * mbox) int cnt = mbox->cmd.length / sizeof(dlci_status_t); fr_dlc_conf_t cfg; fr_channel_t *chan; - struct device* dev2; - - for (; cnt; --cnt, ++status) { + struct device *dev2; + for (; cnt; --cnt, ++status) + { unsigned short dlci = status->dlci; struct device *dev = find_channel(card, dlci); - - if (dev == NULL) + if (dev == NULL) { - printk(KERN_INFO "%s: CPE contains unconfigured DLCI= %d\n", - card->devname, dlci); + printk(KERN_INFO + "%s: CPE contains unconfigured DLCI= %d\n", + card->devname, dlci); } - else + else { if (status->state & 0x01) { @@ -2242,68 +2262,56 @@ static int fr_dlci_change(sdla_t * card, fr_mbox_t * mbox) else if (status->state & 0x02) { printk(KERN_INFO - "%s: DLCI %u becomes active!\n", - card->devname, dlci); + "%s: DLCI %u becomes active!\n", + card->devname, dlci); chan = dev->priv; /* This flag is used for configuring specific DLCI(s) when they become active. - */ + */ chan->dlci_configured = DLCI_CONFIG_PENDING; - if (dev && dev->start) set_chan_state(dev, WAN_CONNECTED); } } } - - for (dev2 =card->wandev.dev; dev2; dev2 = dev2->slave) - { + for (dev2 = card->wandev.dev; dev2; dev2 = dev2->slave) + { chan = dev2->priv; - - if (chan->dlci_configured == DLCI_CONFIG_PENDING) + if (chan->dlci_configured == DLCI_CONFIG_PENDING) { memset(&cfg, 0, sizeof(cfg)); - - if ( chan->cir_status == CIR_DISABLED) + if (chan->cir_status == CIR_DISABLED) { - cfg.cir_fwd = cfg.cir_bwd = 16; + cfg.cir_fwd = cfg.cir_bwd = 16; cfg.bc_fwd = cfg.bc_bwd = 16; - cfg.conf_flags = 0x0001; - printk(KERN_INFO "%s: CIR Disabled for %s\n", - card->devname, chan->name); - } - else if (chan->cir_status == CIR_ENABLED) - { + cfg.conf_flags = 0x0001; + printk(KERN_INFO "%s: CIR Disabled for %s\n", + card->devname, chan->name); + } else if (chan->cir_status == CIR_ENABLED) { cfg.cir_fwd = cfg.cir_bwd = chan->cir; - cfg.bc_fwd = cfg.bc_bwd = chan->bc; - cfg.be_fwd = cfg.be_bwd = chan->be; + cfg.bc_fwd = cfg.bc_bwd = chan->bc; + cfg.be_fwd = cfg.be_bwd = chan->be; cfg.conf_flags = 0x0000; printk(KERN_INFO "%s: CIR Enabled for %s\n", - card->devname, chan->name); - + card->devname, chan->name); } - - if (fr_dlci_configure( card, &cfg , chan->dlci)) + if (fr_dlci_configure(card, &cfg, chan->dlci)) { - printk(KERN_INFO - "%s: DLCI Configure failed for %d\n", - card->devname, chan->dlci); - return 1; + printk(KERN_INFO + "%s: DLCI Configure failed for %d\n", + card->devname, chan->dlci); + return 1; } - chan->dlci_configured = DLCI_CONFIGURED; - - /* - * Read the interface byte mapping into the channel - * structure. + /* Read the interface byte mapping into the channel + structure. */ if (card->intr_mode == DLCI_LIST_INTR_MODE) - read_DLCI_IB_mapping( card, chan ); - } + read_DLCI_IB_mapping(card, chan); + } } return 1; } - /******* Miscellaneous ******************************************************/ /*============================================================================ @@ -2318,17 +2326,18 @@ static int update_chan_state(struct device *dev) int err; int dlci_found = 0; - do { + do + { memset(&mbox->cmd, 0, sizeof(fr_cmd_t)); mbox->cmd.command = FR_LIST_ACTIVE_DLCI; err = sdla_exec(mbox) ? mbox->cmd.result : CMD_TIMEOUT; } while (err && retry-- && fr_event(card, err, mbox)); - if (!err) { + if (!err) + { unsigned short *list = (void *) mbox->data; int cnt = mbox->cmd.length / sizeof(short); - for (; cnt; --cnt, ++list) { if (*list == chan->dlci) @@ -2338,14 +2347,13 @@ static int update_chan_state(struct device *dev) break; } } - - if(!dlci_found) - printk(KERN_INFO "%s: DLCI %u is inactive\n", - card->devname, chan->dlci); + if (!dlci_found) + printk(KERN_INFO "%s: DLCI %u is inactive\n", + card->devname, chan->dlci); } + return err; } - /*============================================================================ * Set channel state. */ @@ -2354,27 +2362,27 @@ static void set_chan_state(struct device *dev, int state) fr_channel_t *chan = dev->priv; sdla_t *card = chan->card; unsigned long flags; - + save_flags(flags); cli(); - + if (chan->state != state) { switch (state) { case WAN_CONNECTED: printk(KERN_INFO "%s: interface %s connected!\n" - , card->devname, dev->name); + ,card->devname, dev->name); break; case WAN_CONNECTING: - printk(KERN_INFO - "%s: interface %s connecting...\n", - card->devname, dev->name); + printk(KERN_INFO + "%s: interface %s connecting...\n", + card->devname, dev->name); break; case WAN_DISCONNECTED: - printk (KERN_INFO - "%s: interface %s disconnected!\n", - card->devname, dev->name); + printk(KERN_INFO + "%s: interface %s disconnected!\n", + card->devname, dev->name); break; } chan->state = state; @@ -2389,14 +2397,11 @@ static void set_chan_state(struct device *dev, int state) static struct device *find_channel(sdla_t * card, unsigned dlci) { struct device *dev; - for (dev = card->wandev.dev; dev; dev = dev->slave) if (((fr_channel_t *) dev->priv)->dlci == dlci) - break - ; + break; return dev; } - /*============================================================================ * Check to see if a frame can be sent. If no transmit buffers available, * enable transmit interrupts. @@ -2405,18 +2410,18 @@ static struct device *find_channel(sdla_t * card, unsigned dlci) * 0 - no buffers available */ -static int is_tx_ready(sdla_t * card) +static int is_tx_ready(sdla_t * card, fr_channel_t * chan) { if (card->hw.fwid == SFID_FR508) { unsigned char sb = inb(card->hw.port); - if (sb & 0x02) return 1; - } else { - fr502_flags_t* flags = card->flags; - - if (flags->tx_ready) + } + else + { + fr502_flags_t *flags = card->flags; + if (flags->tx_ready) return 1; flags->imask |= 0x02; } @@ -2430,7 +2435,6 @@ static int is_tx_ready(sdla_t * card) static unsigned int dec_to_uint(unsigned char *str, int len) { unsigned val; - if (!len) len = strlen(str); for (val = 0; len && is_digit(*str); ++str, --len) @@ -2439,109 +2443,677 @@ static unsigned int dec_to_uint(unsigned char *str, int len) } /*============================================================================== + * Process UDP call of type FPIPE8ND + */ + +static int process_udp_mgmt_pkt(char udp_pkt_src, sdla_t * card, struct sk_buff *skb, struct device *dev, int dlci, fr_channel_t * chan) +{ + int c_retry = MAX_CMD_RETRY; + unsigned char *data; + unsigned char *buf; + unsigned char buf2[5]; + unsigned int loops, frames, len; + unsigned long data_ptr; + unsigned short real_len, buffer_length; + struct sk_buff *new_skb; + unsigned char *sendpacket; + fr_mbox_t *mbox = card->mbox; + int err; + struct timeval tv; + int udp_mgmt_req_valid = 1; + sendpacket = skb->data; + memcpy(&buf2, &card->wandev.udp_port, 2); + if ((data = kmalloc(2000, GFP_ATOMIC)) == NULL) + { + printk(KERN_INFO + "%s: Error allocating memory for UDP management cmnd 0x%02X", + card->devname, data[47]); + ++chan->UDP_FPIPE_mgmt_kmalloc_err; + return 1; + } + memcpy(data, sendpacket, skb->len); + switch (data[47]) + { + /* FPIPE_ENABLE_TRACE */ + case 0x41: + /* FPIPE_DISABLE_TRACE */ + case 0x42: + /* FPIPE_GET_TRACE_INFO */ + case 0x43: + /* SET FT1 MODE */ + case 0x81: + if (udp_pkt_src == UDP_PKT_FRM_NETWORK) + { + ++chan->UDP_FPIPE_mgmt_direction_err; + udp_mgmt_req_valid = 0; + break; + } + /* FPIPE_FT1_READ_STATUS */ + case 0x44: + /* FT1 MONITOR STATUS */ + case 0x80: + if (card->hw.fwid != SFID_FR508) + { + ++chan->UDP_FPIPE_mgmt_adptr_type_err; + udp_mgmt_req_valid = 0; + } + break; + default: + break; + } + if (!udp_mgmt_req_valid) + { + /* set length to 0 */ + data[48] = data[49] = 0; + /* set return code */ + data[50] = (card->hw.fwid != SFID_FR508) ? 0x1F : 0xCD; + } + else + { + switch (data[47]) + { + /* FPIPE_ENABLE_TRACE */ + case 0x41: + if (!TracingEnabled) + { + do + { + /* SET_TRACE_CONFIGURATION */ + mbox->cmd.command = 0x60; + mbox->cmd.length = 1; + mbox->cmd.dlci = 0x00; + mbox->data[0] = 0x37; + err = sdla_exec(mbox) ? + mbox->cmd.result : CMD_TIMEOUT; + } + while (err && c_retry-- && fr_event(card, err, mbox)); + + if (err) + { + TracingEnabled = 0; + /* set the return code */ + data[50] = mbox->cmd.result; + mbox->cmd.length = 0; + break; + } + /* get num_frames */ + sdla_peek(&card->hw, 0x9000, &num_frames, 2); + sdla_peek(&card->hw, 0x9002, &curr_trace_addr,4); + start_trace_addr = curr_trace_addr; + /* MAX_SEND_BUFFER_SIZE - + * sizeof(UDP_MGMT_PACKET) - 41 */ + available_buffer_space = 1926; + /* set return code */ + data[50] = 0; + } + else + { + /* set return code to line trace already + enabled */ + data[50] = 1; + } + mbox->cmd.length = 0; + TracingEnabled = 1; + break; + /* FPIPE_DISABLE_TRACE */ + case 0x42: + if (TracingEnabled) + { + do + { + /* SET_TRACE_CONFIGURATION */ + mbox->cmd.command = 0x60; + mbox->cmd.length = 1; + mbox->cmd.dlci = 0x00; + mbox->data[0] = 0x36; + err = sdla_exec(mbox) ? mbox->cmd.result : CMD_TIMEOUT; + } + while (err && c_retry-- && fr_event(card, err, mbox)); + } + /* set return code */ + data[50] = 0; + mbox->cmd.length = 0; + TracingEnabled = 0; + break; + /* FPIPE_GET_TRACE_INFO */ + case 0x43: + /* Line trace cannot be performed on the 502 */ + if (!TracingEnabled) + { + /* set return code */ + data[50] = 1; + mbox->cmd.length = 0; + break; + } + buffer_length = 0; + loops = (num_frames < 20) ? num_frames : 20; + for (frames = 0; frames < loops; frames += 1) + { + sdla_peek(&card->hw, curr_trace_addr, &buf2, 1); + /* no data on board so exit */ + if (buf2[0] == 0x00) + break; + /* 1+sizeof(FRAME_DATA) = 9 */ + if ((available_buffer_space - buffer_length) < 9) + { + /* indicate we have more frames on board + and exit */ + data[62] |= 0x02; + break; + } + /* get frame status */ + sdla_peek(&card->hw, curr_trace_addr + 0x05, &data[62 + buffer_length], 1); + /* get time stamp */ + sdla_peek(&card->hw, curr_trace_addr + 0x06, &data[66 + buffer_length], 2); + /* get frame length */ + sdla_peek(&card->hw, curr_trace_addr + 0x01, &data[64 + buffer_length], 2); + /* get pointer to real data */ + sdla_peek(&card->hw, curr_trace_addr + 0x0C,&data_ptr, 4); + /* see if we can fit the frame into the user buffer */ + memcpy(&real_len, &data[64 + buffer_length], 2); + if (data_ptr == 0 || real_len + 8 > available_buffer_space) + { + data[63 + buffer_length] = 0x00; + } + else + { + /* we can take it next time */ + if (available_buffer_space - buffer_length < real_len + 8) + { + data[62] |= 0x02; + break; + } + /* ok, get the frame */ + data[63 + buffer_length] = 0x01; + /* get the data */ + sdla_peek(&card->hw, data_ptr, &data[68 + buffer_length], real_len); + /* zero the opp flag to show we got the frame */ + buf2[0] = 0x00; + sdla_poke(&card->hw, curr_trace_addr, &buf2, 1); + /* now move onto the next frame */ + curr_trace_addr += 16; + /* check if we passed the last address */ + if (curr_trace_addr >= (start_trace_addr + num_frames * 16)) + curr_trace_addr = start_trace_addr; + /* update buffer length and make sure + its even */ + if (data[63 + buffer_length] == 0x01) + buffer_length += real_len - 1; + /* for the header */ + buffer_length += 8; + if (buffer_length & 0x0001) + buffer_length += 1; + } + } + /* ok now set the total number of frames passed in the + high 5 bits */ + data[62] = (frames << 3) | data[62]; + /* set the data length */ + mbox->cmd.length = buffer_length; + memcpy(&data[48], &buffer_length, 2); + data[50] = 0; + break; + /* FPIPE_FT1_READ_STATUS */ + case 0x44: + sdla_peek(&card->hw, 0xF020, &data[62], 2); + data[48] = 2; + data[49] = 0; + data[50] = 0; + mbox->cmd.length = 2; + break; + /* FPIPE_FLUSH_DRIVER_STATS */ + case 0x48: + init_chan_statistics(chan); + init_global_statistics(card); + mbox->cmd.length = 0; + break; + case 0x49: + do_gettimeofday(&tv); + chan->router_up_time = tv.tv_sec - chan->router_start_time; + *(unsigned long *) &data[62] = chan->router_up_time; + mbox->cmd.length = 4; + break; + /* FPIPE_KILL_BOARD */ + case 0x50: + break; + /* FT1 MONITOR STATUS */ + case 0x80: + if (data[62] == 1) + { + if (rCount++ != 0) + { + data[50] = 0; + mbox->cmd.length = 1; + break; + } + } + /* Disable FT1 MONITOR STATUS */ + if (data[62] == 0) + { + if (--rCount != 0) + { + data[50] = 0; + mbox->cmd.length = 1; + break; + } + } + default: + do + { + memcpy(&mbox->cmd, &sendpacket[47], sizeof(fr_cmd_t)); + if (mbox->cmd.length) + memcpy(&mbox->data, &sendpacket[62],mbox->cmd.length); + err = sdla_exec(mbox) ? mbox->cmd.result : CMD_TIMEOUT; + } + while (err && c_retry-- && fr_event(card, err, mbox)); + + if (!err) + { + ++chan->UDP_FPIPE_mgmt_adptr_cmnd_OK; + memcpy(data, sendpacket, skb->len); + memcpy(&data[47], &mbox->cmd, sizeof(fr_cmd_t)); + if (mbox->cmd.length) + { + memcpy(&data[62], &mbox->data,mbox->cmd.length); + } + } + else + { + ++chan->UDP_FPIPE_mgmt_adptr_cmnd_timeout; + } + } + } + /* Fill UDP TTL */ + data[10] = card->wandev.ttl; + len = reply_udp(data, mbox->cmd.length); + if (udp_pkt_src == UDP_PKT_FRM_NETWORK) + { + err = fr508_send(card, dlci, 0, len, data); + if (err) + ++chan->UDP_FPIPE_mgmt_adptr_send_passed; + else + ++chan->UDP_FPIPE_mgmt_adptr_send_failed; + dev_kfree_skb(skb); + } + else + { + /* Allocate socket buffer */ + if ((new_skb = dev_alloc_skb(len)) != NULL) + { + /* copy data into new_skb */ + buf = skb_put(new_skb, len); + memcpy(buf, data, len); + /* Decapsulate packet and pass it up the protocol + stack */ + new_skb->dev = dev; + buf = skb_pull(new_skb, 1); /* remove hardware header */ + if (!wan_type_trans(new_skb, dev)) + { + ++chan->UDP_FPIPE_mgmt_not_passed_to_stack; + /* can't decapsulate packet */ + dev_kfree_skb(new_skb); + } + else + { + ++chan->UDP_FPIPE_mgmt_passed_to_stack; + netif_rx(new_skb); + } + } + else + { + ++chan->UDP_FPIPE_mgmt_no_socket; + printk(KERN_INFO + "%s: UDP mgmt cmnd, no socket buffers available!\n", + card->devname); + } + } + kfree(data); + return 0; +} +/*============================================================================== * Perform the Interrupt Test by running the READ_CODE_VERSION command MAX_INTR_ * TEST_COUNTER times. */ -static int intr_test( sdla_t* card ) + +static int intr_test(sdla_t * card) { - fr_mbox_t* mb = card->mbox; - int err,i; - - /* - * The critical flag is unset here because we want to get into the - * ISR without the flag already set. The If_open sets the flag. + fr_mbox_t *mb = card->mbox; + int err, i; + /* The critical flag is unset here because we want to get into the + ISR without the flag already set. The If_open sets the flag. */ - card->wandev.critical = 0; - - err = fr_set_intr_mode( card, 0x08, card->wandev.mtu ); - + err = fr_set_intr_mode(card, 0x08, card->wandev.mtu); if (err == CMD_OK) { - for ( i = 0; i < MAX_INTR_TEST_COUNTER; i++ ) + for (i = 0; i < MAX_INTR_TEST_COUNTER; i++) { - /* Run command READ_CODE_VERSION */ + /* Run command READ_CODE_VERSION */ memset(&mb->cmd, 0, sizeof(fr_cmd_t)); - mb->cmd.length = 0; + mb->cmd.length = 0; mb->cmd.command = 0x40; err = sdla_exec(mb) ? mb->cmd.result : CMD_TIMEOUT; - - if (err != CMD_OK) + if (err != CMD_OK) fr_event(card, err, mb); } + } + else + { + return err; } - else - return err; - - err = fr_set_intr_mode( card, 0, card->wandev.mtu ); - - if( err != CMD_OK ) + err = fr_set_intr_mode(card, 0, card->wandev.mtu); + if (err != CMD_OK) return err; - card->wandev.critical = 1; return 0; } +/*============================================================================ + * Process UDP call of type DRVSTATS. + */ +static int process_udp_driver_call(char udp_pkt_src, sdla_t * card, struct sk_buff *skb, struct device *dev, int dlci, fr_channel_t * chan) +{ + int c_retry = MAX_CMD_RETRY; + unsigned char *sendpacket; + unsigned char buf2[5]; + unsigned char *data; + unsigned char *buf; + unsigned int len; + fr_mbox_t *mbox = card->mbox; + struct sk_buff *new_skb; + int err; + sendpacket = skb->data; + memcpy(&buf2, &card->wandev.udp_port, 2); + if ((data = kmalloc(2000, GFP_ATOMIC)) == NULL) + { + printk(KERN_INFO + "%s: Error allocating memory for UDP DRIVER STATS cmnd0x%02X" + ,card->devname, data[45]); + ++chan->UDP_DRVSTATS_mgmt_kmalloc_err; + return 1; + } + memcpy(data, sendpacket, skb->len); + switch (data[47]) + { + case 0x45: + *(unsigned long *) &data[62] = chan->if_send_entry; + *(unsigned long *) &data[66] = chan->if_send_skb_null; + *(unsigned long *) &data[70] = chan->if_send_broadcast; + *(unsigned long *) &data[74] = chan->if_send_multicast; + *(unsigned long *) &data[78] = chan->if_send_critical_ISR; + *(unsigned long *) &data[82] = chan->if_send_critical_non_ISR; + *(unsigned long *) &data[86] = chan->if_send_busy; + *(unsigned long *) &data[90] = chan->if_send_busy_timeout; + *(unsigned long *) &data[94] = chan->if_send_DRVSTATS_request; + *(unsigned long *) &data[98] = chan->if_send_FPIPE_request; + *(unsigned long *) &data[102] = chan->if_send_wan_disconnected; + *(unsigned long *) &data[106] = chan->if_send_dlci_disconnected; + *(unsigned long *) &data[110] = chan->if_send_no_bfrs; + *(unsigned long *) &data[114] = chan->if_send_adptr_bfrs_full; + *(unsigned long *) &data[118] = chan->if_send_bfrs_passed_to_adptr; + *(unsigned long *) &data[120] = card->irq_dis_if_send_count; + mbox->cmd.length = 62; + break; + case 0x46: + *(unsigned long *) &data[62] = card->statistics.isr_entry; + *(unsigned long *) &data[66] = card->statistics.isr_already_critical; + *(unsigned long *) &data[70] = card->statistics.isr_rx; + *(unsigned long *) &data[74] = card->statistics.isr_tx; + *(unsigned long *) &data[78] = card->statistics.isr_intr_test; + *(unsigned long *) &data[82] = card->statistics.isr_spurious; + *(unsigned long *) &data[86] = card->statistics.isr_enable_tx_int; + *(unsigned long *) &data[90] = card->statistics.tx_intr_dev_not_started; + *(unsigned long *) &data[94] = card->statistics.rx_intr_corrupt_rx_bfr; + *(unsigned long *) &data[98] = card->statistics.rx_intr_on_orphaned_DLCI; + *(unsigned long *) &data[102] = chan->rx_intr_no_socket; + *(unsigned long *) &data[106] = chan->rx_intr_dev_not_started; + *(unsigned long *) &data[110] = chan->rx_intr_DRVSTATS_request; + *(unsigned long *) &data[114] = chan->rx_intr_FPIPE_request; + *(unsigned long *) &data[118] = chan->rx_intr_bfr_not_passed_to_stack; + *(unsigned long *) &data[122] = chan->rx_intr_bfr_passed_to_stack; + mbox->cmd.length = 64; + break; + case 0x47: + *(unsigned long *) &data[62] = chan->UDP_FPIPE_mgmt_kmalloc_err; + *(unsigned long *) &data[66] = chan->UDP_FPIPE_mgmt_adptr_type_err; + *(unsigned long *) &data[70] = chan->UDP_FPIPE_mgmt_direction_err; + *(unsigned long *) &data[74] = chan->UDP_FPIPE_mgmt_adptr_cmnd_timeout; + *(unsigned long *) &data[78] = chan->UDP_FPIPE_mgmt_adptr_cmnd_OK; + *(unsigned long *) &data[82] = chan->UDP_FPIPE_mgmt_adptr_send_passed; + *(unsigned long *) &data[86] = chan->UDP_FPIPE_mgmt_adptr_send_failed; + *(unsigned long *) &data[90] = chan->UDP_FPIPE_mgmt_no_socket; + *(unsigned long *) &data[94] = chan->UDP_FPIPE_mgmt_not_passed_to_stack; + *(unsigned long *) &data[98] = chan->UDP_FPIPE_mgmt_passed_to_stack; + *(unsigned long *) &data[102] = chan->UDP_DRVSTATS_mgmt_kmalloc_err; + *(unsigned long *) &data[106] = chan->UDP_DRVSTATS_mgmt_adptr_cmnd_timeout; + *(unsigned long *) &data[110] = chan->UDP_DRVSTATS_mgmt_adptr_cmnd_OK; + *(unsigned long *) &data[114] = chan->UDP_DRVSTATS_mgmt_adptr_send_passed; + *(unsigned long *) &data[118] = chan->UDP_DRVSTATS_mgmt_adptr_send_failed; + *(unsigned long *) &data[122] = chan->UDP_DRVSTATS_mgmt_no_socket; + *(unsigned long *) &data[126] = chan->UDP_DRVSTATS_mgmt_not_passed_to_stack; + *(unsigned long *) &data[130] = chan->UDP_DRVSTATS_mgmt_passed_to_stack; + *(unsigned long *) &data[134] = card->statistics.poll_entry; + *(unsigned long *) &data[138] = card->statistics.poll_already_critical; + *(unsigned long *) &data[142] = card->statistics.poll_processed; + *(unsigned long *) &data[144] = card->irq_dis_poll_count; + mbox->cmd.length = 86; + break; + default: + do + { + memcpy(&mbox->cmd, &sendpacket[47], sizeof(fr_cmd_t)); + if (mbox->cmd.length) + memcpy(&mbox->data, &sendpacket[62], mbox->cmd.length); + err = sdla_exec(mbox) ? mbox->cmd.result : CMD_TIMEOUT; + } + while (err && c_retry-- && fr_event(card, err, mbox)); + + if (!err) + { + ++chan->UDP_DRVSTATS_mgmt_adptr_cmnd_OK; + memcpy(data, sendpacket, skb->len); + memcpy(&data[47], &mbox->cmd, sizeof(fr_cmd_t)); + if (mbox->cmd.length) + memcpy(&data[62], &mbox->data, mbox->cmd.length); + } + else + { + ++chan->UDP_DRVSTATS_mgmt_adptr_cmnd_timeout; + } + } + /* Fill UDP TTL */ + data[10] = card->wandev.ttl; + len = reply_udp(data, mbox->cmd.length); + if (udp_pkt_src == UDP_PKT_FRM_NETWORK) + { + err = fr508_send(card, dlci, 0, len, data); + if (err) + ++chan->UDP_DRVSTATS_mgmt_adptr_send_failed; + else + ++chan->UDP_DRVSTATS_mgmt_adptr_send_passed; + dev_kfree_skb(skb); + } + else + { + /* Allocate socket buffer */ + if ((new_skb = dev_alloc_skb(len)) != NULL) + { + /* copy data into new_skb */ + buf = skb_put(new_skb, len); + memcpy(buf, data, len); + /* Decapsulate packet and pass it up the + protocol stack */ + new_skb->dev = dev; + /* remove hardware header */ + buf = skb_pull(new_skb, 1); + if (!wan_type_trans(new_skb, dev)) + { + /* can't decapsulate packet */ + ++chan->UDP_DRVSTATS_mgmt_not_passed_to_stack; + dev_kfree_skb(new_skb); + } + else + { + ++chan->UDP_DRVSTATS_mgmt_passed_to_stack; + netif_rx(new_skb); + } + } + else + { + ++chan->UDP_DRVSTATS_mgmt_no_socket; + printk(KERN_INFO "%s: UDP mgmt cmnd, no socket buffers available!\n", card->devname); + } + } + kfree(data); + return 0; +} /*============================================================================== + * Determine what type of UDP call it is. DRVSTATS or FPIPE8ND ? + */ + +static int udp_pkt_type(struct sk_buff *skb, sdla_t * card) +{ + unsigned char *sendpacket; + unsigned char buf2[5]; + sendpacket = skb->data; + memcpy(&buf2, &card->wandev.udp_port, 2); + if (sendpacket[2] == 0x45 && /* IP packet */ + sendpacket[11] == 0x11 && /* UDP packet */ + sendpacket[24] == buf2[1] && /* UDP Port */ + sendpacket[25] == buf2[0] && + sendpacket[38] == 0x01) + { + if (sendpacket[30] == 0x46 && /* FPIPE8ND: Signature */ + sendpacket[31] == 0x50 && + sendpacket[32] == 0x49 && + sendpacket[33] == 0x50 && + sendpacket[34] == 0x45 && + sendpacket[35] == 0x38 && + sendpacket[36] == 0x4E && + sendpacket[37] == 0x44) + { + return UDP_FPIPE_TYPE; + } else if (sendpacket[30] == 0x44 && /* DRVSTATS: Signature */ + sendpacket[31] == 0x52 && + sendpacket[32] == 0x56 && + sendpacket[33] == 0x53 && + sendpacket[34] == 0x54 && + sendpacket[35] == 0x41 && + sendpacket[36] == 0x54 && + sendpacket[37] == 0x53) + { + return UDP_DRVSTATS_TYPE; + } + else + return UDP_INVALID_TYPE; + } + else + return UDP_INVALID_TYPE; +} +/*============================================================================== + * Initializes the Statistics values in the fr_channel structure. + */ + +void init_chan_statistics(fr_channel_t * chan) +{ + chan->if_send_entry = 0; + chan->if_send_skb_null = 0; + chan->if_send_broadcast = 0; + chan->if_send_multicast = 0; + chan->if_send_critical_ISR = 0; + chan->if_send_critical_non_ISR = 0; + chan->if_send_busy = 0; + chan->if_send_busy_timeout = 0; + chan->if_send_FPIPE_request = 0; + chan->if_send_DRVSTATS_request = 0; + chan->if_send_wan_disconnected = 0; + chan->if_send_dlci_disconnected = 0; + chan->if_send_no_bfrs = 0; + chan->if_send_adptr_bfrs_full = 0; + chan->if_send_bfrs_passed_to_adptr = 0; + chan->rx_intr_no_socket = 0; + chan->rx_intr_dev_not_started = 0; + chan->rx_intr_FPIPE_request = 0; + chan->rx_intr_DRVSTATS_request = 0; + chan->rx_intr_bfr_not_passed_to_stack = 0; + chan->rx_intr_bfr_passed_to_stack = 0; + chan->UDP_FPIPE_mgmt_kmalloc_err = 0; + chan->UDP_FPIPE_mgmt_direction_err = 0; + chan->UDP_FPIPE_mgmt_adptr_type_err = 0; + chan->UDP_FPIPE_mgmt_adptr_cmnd_OK = 0; + chan->UDP_FPIPE_mgmt_adptr_cmnd_timeout = 0; + chan->UDP_FPIPE_mgmt_adptr_send_passed = 0; + chan->UDP_FPIPE_mgmt_adptr_send_failed = 0; + chan->UDP_FPIPE_mgmt_not_passed_to_stack = 0; + chan->UDP_FPIPE_mgmt_passed_to_stack = 0; + chan->UDP_FPIPE_mgmt_no_socket = 0; + chan->UDP_DRVSTATS_mgmt_kmalloc_err = 0; + chan->UDP_DRVSTATS_mgmt_adptr_cmnd_OK = 0; + chan->UDP_DRVSTATS_mgmt_adptr_cmnd_timeout = 0; + chan->UDP_DRVSTATS_mgmt_adptr_send_passed = 0; + chan->UDP_DRVSTATS_mgmt_adptr_send_failed = 0; + chan->UDP_DRVSTATS_mgmt_not_passed_to_stack = 0; + chan->UDP_DRVSTATS_mgmt_passed_to_stack = 0; + chan->UDP_DRVSTATS_mgmt_no_socket = 0; +} +/*============================================================================== * Initializes the Statistics values in the Sdla_t structure. */ -void init_global_statistics( sdla_t* card ) +void init_global_statistics(sdla_t * card) { /* Intialize global statistics for a card */ - card->statistics.isr_entry = 0; - card->statistics.isr_already_critical = 0; - card->statistics.isr_rx = 0; - card->statistics.isr_tx = 0; - card->statistics.isr_intr_test = 0; - card->statistics.isr_spurious = 0; - card->statistics.isr_enable_tx_int = 0; - card->statistics.rx_intr_corrupt_rx_bfr = 0; + card->statistics.isr_entry = 0; + card->statistics.isr_already_critical = 0; + card->statistics.isr_rx = 0; + card->statistics.isr_tx = 0; + card->statistics.isr_intr_test = 0; + card->statistics.isr_spurious = 0; + card->statistics.isr_enable_tx_int = 0; + card->statistics.rx_intr_corrupt_rx_bfr = 0; card->statistics.rx_intr_on_orphaned_DLCI = 0; - card->statistics.tx_intr_dev_not_started = 0; - card->statistics.poll_entry = 0; - card->statistics.poll_already_critical = 0; - card->statistics.poll_processed = 0; + card->statistics.tx_intr_dev_not_started = 0; + card->statistics.poll_entry = 0; + card->statistics.poll_already_critical = 0; + card->statistics.poll_processed = 0; } -static void read_DLCI_IB_mapping( sdla_t* card, fr_channel_t* chan ) +static void read_DLCI_IB_mapping(sdla_t * card, fr_channel_t * chan) { - fr_mbox_t* mbox = card->mbox; - int retry = MAX_CMD_RETRY; - dlci_IB_mapping_t* result; - int err, counter, found; - - do { + fr_mbox_t *mbox = card->mbox; + int retry = MAX_CMD_RETRY; + dlci_IB_mapping_t *result; + int err, counter, found; + do + { memset(&mbox->cmd, 0, sizeof(fr_cmd_t)); mbox->cmd.command = FR_READ_DLCI_IB_MAPPING; - err = sdla_exec(mbox) ? mbox->cmd.result : CMD_TIMEOUT; + } + while (err && retry-- && fr_event(card, err, mbox)); - } while (err && retry-- && fr_event(card, err, mbox)); - - if( mbox->cmd.result != 0) - printk(KERN_INFO "%s: Read DLCI IB Mapping failed\n", - chan->name); + if (mbox->cmd.result != 0) + printk(KERN_INFO "%s: Read DLCI IB Mapping failed\n", chan->name); counter = mbox->cmd.length / sizeof(dlci_IB_mapping_t); - result = (void *)mbox->data; - + result = (void *) mbox->data; found = 0; - for (; counter; --counter, ++result) { - if ( result->dlci == chan->dlci ) { - printk( KERN_INFO "%s: DLCI= %d, IB addr = %lx for %s\n" - ,card->devname,result->dlci, result->addr_value - ,chan->name); + for (; counter; --counter, ++result) + { + if (result->dlci == chan->dlci) + { + printk(KERN_INFO "%s: DLCI= %d, IB addr = %lx for %s\n" + ,card->devname, result->dlci, result->addr_value ,chan->name); chan->IB_addr = result->addr_value; - chan->dlci_int_interface = (void*)(card->hw.dpmbase + - ( chan->IB_addr & 0x00001FFF)); + chan->dlci_int_interface = (void *) (card->hw.dpmbase + + (chan->IB_addr & 0x00001FFF)); found = 1; - break; - } + break; + } } if (!found) - printk( KERN_INFO "%s: DLCI %d not found by IB MAPPING cmd\n", - card->devname, chan->dlci); + printk(KERN_INFO "%s: DLCI %d not found by IB MAPPING cmd\n", + card->devname, chan->dlci); } /****** End *****************************************************************/ |