patch-2.3.41 linux/drivers/net/wan/sdla_ppp.c
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- Lines: 4243
- Date:
Fri Jan 28 08:04:58 2000
- Orig file:
v2.3.40/linux/drivers/net/wan/sdla_ppp.c
- Orig date:
Mon Oct 11 15:38:15 1999
diff -u --recursive --new-file v2.3.40/linux/drivers/net/wan/sdla_ppp.c linux/drivers/net/wan/sdla_ppp.c
@@ -1,21 +1,39 @@
/*****************************************************************************
* sdla_ppp.c WANPIPE(tm) Multiprotocol WAN Link Driver. PPP module.
*
-* Author: Jaspreet Singh <jaspreet@sangoma.com>
+* Author: Nenad Corbic <ncorbic@sangoma.com>
*
-* Copyright: (c) 1995-1997 Sangoma Technologies Inc.
+* Copyright: (c) 1995-1999 Sangoma Technologies Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
* ============================================================================
-* Mar 15, 1998 Alan Cox o 2.1.8x basic port.
+*
+* Oct 25, 1999 Nenad Corbic o Support for 2.0.X kernels
+* Moved dynamic route processing into
+* a polling routine.
+* Oct 07, 1999 Nenad Corbic o Support for S514 PCI card.
+* Gideon Hack o UPD and Updates executed using timer interrupt
+* Sep 10, 1999 Nenad Corbic o Fixed up the /proc statistics
+* Jul 20, 1999 Nenad Corbic o Remove the polling routines and use
+* interrupts instead.
+* Sep 17, 1998 Jaspreet Singh o Updates for 2.2.X Kernels.
+* Aug 13, 1998 Jaspreet Singh o Improved Line Tracing.
+* Jun 22, 1998 David Fong o Added remote IP address assignment
+* Mar 15, 1998 Alan Cox o 2.1.8x basic port.
+* Apr 16, 1998 Jaspreet Singh o using htons() for the IPX protocol.
+* Dec 09, 1997 Jaspreet Singh o Added PAP and CHAP.
+* o Implemented new routines like
+* ppp_set_inbnd_auth(), ppp_set_outbnd_auth(),
+* tokenize() and strstrip().
* Nov 27, 1997 Jaspreet Singh o Added protection against enabling of irqs
* while they have been disabled.
* Nov 24, 1997 Jaspreet Singh o Fixed another RACE condition caused by
* disabling and enabling of irqs.
-* o Added new counters for stats on disable/enable* IRQs.
+* o Added new counters for stats on disable/enable
+* IRQs.
* Nov 10, 1997 Jaspreet Singh o Initialized 'skb->mac.raw' to 'skb->data'
* before every netif_rx().
* o Free up the device structure in del_if().
@@ -56,6 +74,7 @@
* Jan 06, 1997 Gene Kozin Initial version.
*****************************************************************************/
+#include <linux/version.h>
#include <linux/kernel.h> /* printk(), and other useful stuff */
#include <linux/stddef.h> /* offsetof(), etc. */
#include <linux/errno.h> /* return codes */
@@ -65,10 +84,15 @@
#include <linux/wanpipe.h> /* WANPIPE common user API definitions */
#include <linux/if_arp.h> /* ARPHRD_* defines */
#include <asm/byteorder.h> /* htons(), etc. */
-#include <asm/uaccess.h> /* copyto/from user */
-#define _GNUC_
-#include <linux/sdla_ppp.h> /* PPP firmware API definitions */
+#include <linux/in.h> /* sockaddr_in */
+#include <linux/inet.h> /* in_aton(), in_ntoa() prototypes */
+
+#include <linux/inetdevice.h>
+#include <asm/uaccess.h>
+#include <linux/if.h>
+#include <linux/sdla_ppp.h> /* PPP firmware API definitions */
+#include <linux/sdlasfm.h> /* S514 Type Definition */
/****** Defines & Macros ****************************************************/
#ifdef _DEBUG_
@@ -76,130 +100,183 @@
#else
#define STATIC static
#endif
-#define PPP_DFLT_MTU 1500 /* default MTU */
-#define PPP_MAX_MTU 4000 /* maximum MTU */
+
+#define PPP_DFLT_MTU 1500 /* default MTU */
+#define PPP_MAX_MTU 4000 /* maximum MTU */
#define PPP_HDR_LEN 1
-#define CONNECT_TIMEOUT (90*HZ) /* link connection timeout */
-#define HOLD_DOWN_TIME (30*HZ) /* link hold down time */
+
+#define CONNECT_TIMEOUT (90*HZ) /* link connection timeout */
+#define HOLD_DOWN_TIME (5*HZ) /* link hold down time : Changed from 30 to 5 */
/* 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)))
+/* Macro for enabling/disabling debugging comments */
+//#define NEX_DEBUG
+#ifdef NEX_DEBUG
+#define NEX_PRINTK(format, a...) printk(format, ## a)
+#else
+#define NEX_PRINTK(format, a...)
+#endif /* NEX_DEBUG */
+
+#define DCD(a) ( a & 0x08 ? "HIGH" : "LOW" )
+#define CTS(a) ( a & 0x20 ? "HIGH" : "LOW" )
+#define LCP(a) ( a == 0x09 ? "OPEN" : "CLOSED" )
+#define IP(a) ( a == 0x09 ? "ENABLED" : "DISABLED" )
+
+#define TMR_INT_ENABLED_UPDATE 1
+#define TMR_INT_ENABLED_PPP_EVENT 2
+#define TMR_INT_ENABLED_UDP 4
+
+/* Set Configuraton Command Definitions */
+#define PERCENT_TX_BUFF 60
+#define TIME_BETWEEN_CONF_REQ 30
+#define TIME_BETWEEN_PAP_CHAP_REQ 30
+#define WAIT_PAP_CHAP_WITHOUT_REPLY 300
+#define WAIT_AFTER_DCD_CTS_LOW 5
+#define TIME_DCD_CTS_LOW_AFTER_LNK_DOWN 10
+#define WAIT_DCD_HIGH_AFTER_ENABLE_COMM 900
+#define MAX_CONF_REQ_WITHOUT_REPLY 10
+#define MAX_TERM_REQ_WITHOUT_REPLY 2
+#define NUM_CONF_NAK_WITHOUT_REPLY 5
+#define NUM_AUTH_REQ_WITHOUT_REPLY 10
+
+#define END_OFFSET 0x1F0
+#if LINUX_VERSION_CODE < 0x020125
+#define test_and_set_bit set_bit
+#endif
+
/******Data Structures*****************************************************/
+
/* This structure is placed in the private data area of the device structure.
* The card structure used to occupy the private area but now the following
* structure will incorporate the card structure along with PPP specific data
*/
-
-typedef struct ppp_private_area
+
+typedef struct ppp_private_area
{
- sdla_t *card;
+ sdla_t* card;
unsigned long router_start_time; /*router start time in sec */
- unsigned long tick_counter; /*used for 5 second counter */
- unsigned mc; /*multicast support on or off */
+ unsigned long tick_counter; /*used for 5 second counter*/
+ unsigned mc; /*multicast support on or off*/
+ unsigned char enable_IPX;
+ unsigned long network_number;
+ unsigned char pap;
+ unsigned char chap;
+ unsigned char sysname[31]; /* system name for in-bnd auth*/
+ unsigned char userid[511]; /* list of user ids */
+ unsigned char passwd[511]; /* list of passwords */
+ unsigned protocol; /* SKB Protocol */
+ u32 ip_local; /* Local IP Address */
+ u32 ip_remote; /* remote IP Address */
+
+ unsigned char timer_int_enabled; /* Who enabled the timer inter*/
+ unsigned char update_comms_stats; /* Used by update function */
+ unsigned long curr_trace_addr; /* Trace information */
+ unsigned long start_trace_addr;
+ unsigned long end_trace_addr;
+
+ unsigned short udp_pkt_lgth;
+ char udp_pkt_src;
+ char udp_pkt_data[MAX_LGTH_UDP_MGNT_PKT];
+
/* PPP specific statistics */
- unsigned long if_send_entry;
- unsigned long if_send_skb_null;
- unsigned long if_send_broadcast;
- unsigned long if_send_multicast;
- unsigned long if_send_critical_ISR;
- unsigned long if_send_critical_non_ISR;
- unsigned long if_send_busy;
- unsigned long if_send_busy_timeout;
- unsigned long if_send_DRVSTATS_request;
- unsigned long if_send_PTPIPE_request;
- unsigned long if_send_wan_disconnected;
- unsigned long if_send_adptr_bfrs_full;
- unsigned long if_send_protocol_error;
- unsigned long if_send_tx_int_enabled;
- unsigned long if_send_bfr_passed_to_adptr;
- unsigned long rx_intr_no_socket;
- unsigned long rx_intr_DRVSTATS_request;
- unsigned long rx_intr_PTPIPE_request;
- unsigned long rx_intr_bfr_not_passed_to_stack;
- unsigned long rx_intr_bfr_passed_to_stack;
- unsigned long UDP_PTPIPE_mgmt_kmalloc_err;
- unsigned long UDP_PTPIPE_mgmt_adptr_type_err;
- unsigned long UDP_PTPIPE_mgmt_direction_err;
- unsigned long UDP_PTPIPE_mgmt_adptr_cmnd_timeout;
- unsigned long UDP_PTPIPE_mgmt_adptr_cmnd_OK;
- unsigned long UDP_PTPIPE_mgmt_passed_to_adptr;
- unsigned long UDP_PTPIPE_mgmt_passed_to_stack;
- unsigned long UDP_PTPIPE_mgmt_no_socket;
- unsigned long UDP_DRVSTATS_mgmt_kmalloc_err;
- unsigned long UDP_DRVSTATS_mgmt_adptr_type_err;
- unsigned long UDP_DRVSTATS_mgmt_direction_err;
- unsigned long UDP_DRVSTATS_mgmt_adptr_cmnd_timeout;
- unsigned long UDP_DRVSTATS_mgmt_adptr_cmnd_OK;
- unsigned long UDP_DRVSTATS_mgmt_passed_to_adptr;
- unsigned long UDP_DRVSTATS_mgmt_passed_to_stack;
- unsigned long UDP_DRVSTATS_mgmt_no_socket;
- unsigned long router_up_time;
-} ppp_private_area_t;
-/* variable for keeping track of enabling/disabling FT1 monitor status */
+ if_send_stat_t if_send_stat;
+ rx_intr_stat_t rx_intr_stat;
+ pipe_mgmt_stat_t pipe_mgmt_stat;
+ unsigned long router_up_time;
+
+}ppp_private_area_t;
+
+/* 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);
/****** 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 net_device *dev,
- wanif_conf_t * conf);
-static int del_if(wan_device_t * wandev, struct net_device *dev);
+static int update(wan_device_t *wandev);
+static int new_if(wan_device_t *wandev, struct net_device *dev, wanif_conf_t *conf);
+static int del_if(wan_device_t *wandev, struct net_device *dev);
+
/* WANPIPE-specific entry points */
-static int wpp_exec(struct sdla *card, void *u_cmd, void *u_data);
+static int wpp_exec (struct sdla *card, void *u_cmd, void *u_data);
+
/* Network device interface */
static int if_init(struct net_device *dev);
static int if_open(struct net_device *dev);
static int if_close(struct net_device *dev);
-static int if_header(struct sk_buff *skb, struct net_device *dev,
- unsigned short type, void *daddr, void *saddr, unsigned len);
+static int if_header(struct sk_buff *skb, struct net_device *dev, unsigned short type,
+ void *daddr, void *saddr, unsigned len);
static int if_rebuild_hdr(struct sk_buff *skb);
+static struct net_device_stats *if_stats(struct net_device *dev);
static int if_send(struct sk_buff *skb, struct net_device *dev);
-static struct enet_statistics *if_stats(struct net_device *dev);
+
+
/* PPP firmware interface functions */
-static int ppp_read_version(sdla_t * card, char *str);
-static int ppp_configure(sdla_t * card, void *data);
-static int ppp_set_intr_mode(sdla_t * card, unsigned mode);
-static int ppp_comm_enable(sdla_t * card);
-static int ppp_comm_disable(sdla_t * card);
-static int ppp_get_err_stats(sdla_t * card);
-static int ppp_send(sdla_t * card, void *data, unsigned len, unsigned proto);
-static int ppp_error(sdla_t * card, int err, ppp_mbox_t * mb);
-/* Interrupt handlers */
-STATIC void wpp_isr(sdla_t * card);
-static void rx_intr(sdla_t * card);
-static void tx_intr(sdla_t * card);
+static int ppp_read_version(sdla_t *card, char *str);
+static int ppp_set_outbnd_auth(sdla_t *card, ppp_private_area_t *ppp_priv_area);
+static int ppp_set_inbnd_auth(sdla_t *card, ppp_private_area_t *ppp_priv_area);
+static int ppp_configure(sdla_t *card, void *data);
+static int ppp_set_intr_mode(sdla_t *card, unsigned char mode);
+static int ppp_comm_enable(sdla_t *card);
+static int ppp_comm_disable(sdla_t *card);
+static int ppp_get_err_stats(sdla_t *card);
+static int ppp_send(sdla_t *card, void *data, unsigned len, unsigned proto);
+static int ppp_error(sdla_t *card, int err, ppp_mbox_t *mb);
+
+STATIC void wpp_isr(sdla_t *card);
+static void rx_intr(sdla_t *card);
+static void event_intr(sdla_t *card);
+static void timer_intr(sdla_t *card);
+
/* Background polling routines */
-static void wpp_poll(sdla_t * card);
-static void poll_active(sdla_t * card);
-static void poll_connecting(sdla_t * card);
-static void poll_disconnected(sdla_t * card);
+static void process_route(sdla_t *card);
+static void poll_disconnected(sdla_t *card);
+
/* Miscellaneous functions */
-static int config502(sdla_t * card);
-static int config508(sdla_t * card);
+static int read_info( sdla_t *card );
+static int read_connection_info (sdla_t *card);
+static int remove_route( sdla_t *card );
+static int config508(ppp_private_area_t *ppp_priv_area, sdla_t *card);
static void show_disc_cause(sdla_t * card, unsigned cause);
-static unsigned char bps_to_speed_code(unsigned long bps);
-static int reply_udp(unsigned char *data, unsigned int mbox_len);
-static int process_udp_mgmt_pkt(char udp_pkt_src, sdla_t * card, struct sk_buff *skb, struct net_device *dev, ppp_private_area_t * ppp_priv_area);
-static int process_udp_driver_call(char udp_pkt_src, sdla_t * card, struct sk_buff *skb, struct net_device *dev, ppp_private_area_t * ppp_priv_area);
-static void init_ppp_tx_rx_buff(sdla_t * card);
-static int intr_test(sdla_t * card);
-static int udp_pkt_type(struct sk_buff *skb, sdla_t * card);
-static void init_ppp_priv_struct(ppp_private_area_t * ppp_priv_area);
-static void init_global_statistics(sdla_t * card);
+static int reply_udp( unsigned char *data, unsigned int mbox_len );
+static void process_udp_mgmt_pkt(sdla_t *card, struct net_device *dev,
+ ppp_private_area_t *ppp_priv_area);
+static void init_ppp_tx_rx_buff( sdla_t *card );
+static int intr_test( sdla_t *card );
+static int udp_pkt_type( struct sk_buff *skb , sdla_t *card);
+static void init_ppp_priv_struct( ppp_private_area_t *ppp_priv_area);
+static void init_global_statistics( sdla_t *card );
+static int tokenize(char *str, char **tokens);
+static char* strstrip(char *str, char *s);
+static int chk_bcast_mcast_addr(sdla_t* card, struct net_device* dev,
+ struct sk_buff *skb);
+static int Read_connection_info;
static int Intr_test_counter;
-static char TracingEnabled;
-static unsigned long curr_trace_addr;
-static unsigned long start_trace_addr;
static unsigned short available_buffer_space;
+
/* 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, unsigned short proto);
+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_PX,
+ unsigned long network_number, unsigned short proto);
+
+/* Lock Functions */
+static void s508_lock (sdla_t *card, unsigned long *smp_flags);
+static void s508_unlock (sdla_t *card, unsigned long *smp_flags);
+
+static int store_udp_mgmt_pkt(char udp_pkt_src, sdla_t* card,
+ struct sk_buff *skb, struct net_device* dev,
+ ppp_private_area_t* ppp_priv_area );
+static unsigned short calc_checksum (char *data, int len);
+
+
+
/****** Public Functions ****************************************************/
@@ -215,30 +292,40 @@
* Return: 0 o.k.
* < 0 failure.
*/
-int wpp_init(sdla_t * card, wandev_conf_t * conf)
+int wpp_init(sdla_t *card, wandev_conf_t *conf)
{
- union {
+ union
+ {
char str[80];
} u;
+
/* Verify configuration ID */
if (conf->config_id != WANCONFIG_PPP) {
+
printk(KERN_INFO "%s: invalid configuration ID %u!\n",
- card->devname, conf->config_id);
+ card->devname, conf->config_id);
return -EINVAL;
+
}
- /* Initialize protocol-specific fields */
- switch (card->hw.fwid) {
- case SFID_PPP502:
- card->mbox = (void *) (card->hw.dpmbase + PPP502_MB_OFFS);
- card->flags = (void *) (card->hw.dpmbase + PPP502_FLG_OFFS);
- break;
- case SFID_PPP508:
- card->mbox = (void *) (card->hw.dpmbase + PPP508_MB_OFFS);
- card->flags = (void *) (card->hw.dpmbase + PPP508_FLG_OFFS);
- break;
- default:
- return -EINVAL;
+
+ /* Initialize miscellaneous pointers to structures on the adapter */
+ switch (card->hw.type) {
+
+ case SDLA_S508:
+ card->mbox =(void*)(card->hw.dpmbase + PPP508_MB_OFFS);
+ card->flags=(void*)(card->hw.dpmbase + PPP508_FLG_OFFS);
+ break;
+
+ case SDLA_S514:
+ card->mbox =(void*)(card->hw.dpmbase + PPP514_MB_OFFS);
+ card->flags=(void*)(card->hw.dpmbase + PPP514_FLG_OFFS);
+ 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
@@ -246,33 +333,36 @@
*/
if (ppp_read_version(card, NULL) || ppp_read_version(card, u.str))
return -EIO;
- printk(KERN_INFO "%s: running PPP firmware v%s\n", card->devname, u.str);
+
+ printk(KERN_INFO "%s: running PPP firmware v%s\n",card->devname, u.str);
/* Adjust configuration and set defaults */
card->wandev.mtu = (conf->mtu) ?
- min(conf->mtu, PPP_MAX_MTU) : PPP_DFLT_MTU;
- card->wandev.bps = conf->bps;
- card->wandev.interface = conf->interface;
- card->wandev.clocking = conf->clocking;
- card->wandev.station = conf->station;
- card->isr = &wpp_isr;
- card->poll = &wpp_poll;
- card->exec = &wpp_exec;
- card->wandev.update = &update;
- card->wandev.new_if = &new_if;
- card->wandev.del_if = &del_if;
- card->wandev.state = WAN_DISCONNECTED;
- card->wandev.udp_port = conf->udp_port;
- card->wandev.ttl = conf->ttl;
+ min(conf->mtu, PPP_MAX_MTU) : PPP_DFLT_MTU;
+
+ card->wandev.bps = conf->bps;
+ card->wandev.interface = conf->interface;
+ card->wandev.clocking = conf->clocking;
+ card->wandev.station = conf->station;
+ card->isr = &wpp_isr;
+ card->poll = NULL;
+ card->exec = &wpp_exec;
+ card->wandev.update = &update;
+ card->wandev.new_if = &new_if;
+ card->wandev.del_if = &del_if;
+ card->wandev.state = WAN_DISCONNECTED;
+ card->wandev.udp_port = conf->udp_port;
+ card->wandev.ttl = conf->ttl;
card->irq_dis_if_send_count = 0;
- card->irq_dis_poll_count = 0;
- TracingEnabled = 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;
+ card->irq_dis_poll_count = 0;
+ card->u.p.authenticator = conf->u.ppp.authenticator;
+ card->u.p.ip_mode = conf->u.ppp.ip_mode ?
+ conf->u.ppp.ip_mode : WANOPT_PPP_STATIC;
+ card->TracingEnabled = 0;
+ Read_connection_info = 1;
+
/* initialize global statistics */
- init_global_statistics(card);
+ init_global_statistics( card );
+
return 0;
}
@@ -281,19 +371,43 @@
/*============================================================================
* Update device status & statistics.
*/
-static int update(wan_device_t * wandev)
+static int update(wan_device_t *wandev)
{
- sdla_t *card;
+ sdla_t* card = wandev->private;
+ struct net_device* dev = card->wandev.dev;
+ volatile ppp_private_area_t *ppp_priv_area = dev->priv;
+ ppp_flags_t *flags = card->flags;
+ unsigned long timeout;
+
/* sanity checks */
if ((wandev == NULL) || (wandev->private == NULL))
return -EFAULT;
+
if (wandev->state == WAN_UNCONFIGURED)
return -ENODEV;
- if (test_and_set_bit(0, (void *) &wandev->critical))
+
+ //FIXME: Do we need this
+ if (test_bit(0, (void*)&wandev->critical))
return -EAGAIN;
- card = wandev->private;
- ppp_get_err_stats(card);
- wandev->critical = 0;
+
+ ppp_priv_area->update_comms_stats = 2;
+ ppp_priv_area->timer_int_enabled |= TMR_INT_ENABLED_UPDATE;
+ flags->imask |= PPP_INTR_TIMER;
+
+ /* wait a maximum of 1 second for the statistics to be updated */
+ timeout = jiffies;
+ for(;;) {
+ if(ppp_priv_area->update_comms_stats == 0){
+ break;
+ }
+ if ((jiffies - timeout) > (1 * HZ)){
+ ppp_priv_area->update_comms_stats = 0;
+ ppp_priv_area->timer_int_enabled &=
+ ~TMR_INT_ENABLED_UPDATE;
+ return -EAGAIN;
+ }
+ }
+
return 0;
}
@@ -309,46 +423,98 @@
* Return: 0 o.k.
* < 0 failure (channel will not be created)
*/
-
-static int new_if(wan_device_t * wandev, struct net_device *dev, wanif_conf_t * conf)
+static int new_if(wan_device_t *wandev, struct net_device *dev, wanif_conf_t *conf)
{
sdla_t *card = wandev->private;
ppp_private_area_t *ppp_priv_area;
+
if (wandev->ndev)
return -EEXIST;
+
if ((conf->name[0] == '\0') || (strlen(conf->name) > WAN_IFNAME_SZ)) {
+
printk(KERN_INFO "%s: invalid interface name!\n",
- card->devname);
+ card->devname);
return -EINVAL;
+
}
+
/* allocate and initialize private data */
ppp_priv_area = kmalloc(sizeof(ppp_private_area_t), GFP_KERNEL);
- if (ppp_priv_area == NULL)
- return -ENOMEM;
+
+ if( ppp_priv_area == NULL )
+ return -ENOMEM;
+
memset(ppp_priv_area, 0, sizeof(ppp_private_area_t));
- ppp_priv_area->card = card;
+
+ ppp_priv_area->card = card;
+
/* initialize data */
strcpy(card->u.p.if_name, conf->name);
+
/* initialize data in ppp_private_area structure */
- init_ppp_priv_struct(ppp_priv_area);
+
+ init_ppp_priv_struct( ppp_priv_area );
+
ppp_priv_area->mc = conf->mc;
+ ppp_priv_area->pap = conf->pap;
+ ppp_priv_area->chap = conf->chap;
+
+ /* If no user ids are specified */
+ if(!strlen(conf->userid) && (ppp_priv_area->pap||ppp_priv_area->chap)){
+ kfree(ppp_priv_area);
+ return -EINVAL;
+ }
+
+ /* If no passwords are specified */
+ if(!strlen(conf->passwd) && (ppp_priv_area->pap||ppp_priv_area->chap)){
+ kfree(ppp_priv_area);
+ return -EINVAL;
+ }
+
+ if(strlen(conf->sysname) > 31){
+ kfree(ppp_priv_area);
+ return -EINVAL;
+ }
+
+ /* If no system name is specified */
+ if(!strlen(conf->sysname) && (card->u.p.authenticator)){
+ kfree(ppp_priv_area);
+ return -EINVAL;
+ }
+
+ /* copy the data into the ppp private structure */
+ memcpy(ppp_priv_area->userid, conf->userid, strlen(conf->userid));
+ memcpy(ppp_priv_area->passwd, conf->passwd, strlen(conf->passwd));
+ memcpy(ppp_priv_area->sysname, conf->sysname, strlen(conf->sysname));
+
+
+ ppp_priv_area->enable_IPX = conf->enable_IPX;
+ if (conf->network_number)
+ ppp_priv_area->network_number = conf->network_number;
+ else
+ ppp_priv_area->network_number = 0xDEADBEEF;
+
+
/* prepare network device data space for registration */
dev->name = card->u.p.if_name;
dev->init = &if_init;
dev->priv = ppp_priv_area;
+
return 0;
}
/*============================================================================
* Delete logical channel.
*/
-
-static int del_if(wan_device_t * wandev, struct net_device *dev)
+static int del_if(wan_device_t *wandev, struct net_device *dev)
{
if (dev->priv) {
- kfree(dev->priv);
- dev->priv = NULL;
- }
+
+ kfree(dev->priv);
+ dev->priv = NULL;
+ }
+
return 0;
}
@@ -358,26 +524,36 @@
* Execute adapter interface command.
*/
+//FIXME: Why do we need this ????
static int wpp_exec(struct sdla *card, void *u_cmd, void *u_data)
{
ppp_mbox_t *mbox = card->mbox;
int len;
- if(copy_from_user((void *) &mbox->cmd, u_cmd, sizeof(ppp_cmd_t)))
+
+ if (copy_from_user((void*)&mbox->cmd, u_cmd, sizeof(ppp_cmd_t)))
return -EFAULT;
+
len = mbox->cmd.length;
+
if (len) {
- if(copy_from_user((void *) &mbox->data, u_data, len))
+
+ if( copy_from_user((void*)&mbox->data, u_data, len))
return -EFAULT;
+
}
+
/* execute command */
if (!sdla_exec(mbox))
return -EIO;
+
/* return result */
- if(copy_to_user(u_cmd, (void *) &mbox->cmd, sizeof(ppp_cmd_t)))
+ if( copy_to_user(u_cmd, (void*)&mbox->cmd, sizeof(ppp_cmd_t)))
return -EFAULT;
len = mbox->cmd.length;
- if (len && u_data && copy_to_user(u_data, (void *) &mbox->data, len))
+
+ if (len && u_data && copy_to_user(u_data, (void*)&mbox->data, len))
return -EFAULT;
+
return 0;
}
@@ -390,32 +566,49 @@
* interface registration. Returning anything but zero will fail interface
* registration.
*/
-
static int if_init(struct net_device *dev)
{
ppp_private_area_t *ppp_priv_area = dev->priv;
sdla_t *card = ppp_priv_area->card;
wan_device_t *wandev = &card->wandev;
+#ifndef LINUX_2_1
+ int i;
+#endif
/* Initialize device driver entry points */
- dev->open = &if_open;
- dev->stop = &if_close;
- dev->hard_header = &if_header;
- dev->rebuild_header = &if_rebuild_hdr;
- dev->hard_start_xmit = &if_send;
- dev->get_stats = &if_stats;
+ dev->open = &if_open;
+ dev->stop = &if_close;
+ dev->hard_header = &if_header;
+ dev->rebuild_header = &if_rebuild_hdr;
+ dev->hard_start_xmit = &if_send;
+ dev->get_stats = &if_stats;
+
+
/* Initialize media-specific parameters */
- dev->type = ARPHRD_PPP; /* ARP h/w type */
- dev->mtu = wandev->mtu;
- dev->hard_header_len = PPP_HDR_LEN; /* media header length */
+ dev->type = ARPHRD_PPP; /* ARP h/w type */
+ dev->flags |= IFF_POINTOPOINT;
+
+ /* Enable Mulitcasting if specified by user*/
+ if (ppp_priv_area->mc == WANOPT_YES){
+ dev->flags |= IFF_MULTICAST;
+ }
+
+#ifndef LINUX_2_1
+ dev->family = AF_INET;
+#endif
+ dev->mtu = wandev->mtu;
+ dev->hard_header_len = PPP_HDR_LEN; /* media header length */
+
/* Initialize hardware parameters (just for reference) */
- dev->irq = wandev->irq;
- dev->dma = wandev->dma;
- dev->base_addr = wandev->ioport;
- dev->mem_start = (unsigned long)wandev->maddr;
- dev->mem_end = dev->mem_start + wandev->msize - 1;
- /* Set transmit buffer queue length */
- dev->tx_queue_len = 100;
+ 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 = 100;
+
/* Initialize socket buffers */
dev_init_buffers(dev);
return 0;
@@ -428,7 +621,6 @@
*
* Return 0 if O.k. or errno.
*/
-
static int if_open(struct net_device *dev)
{
ppp_private_area_t *ppp_priv_area = dev->priv;
@@ -436,48 +628,100 @@
ppp_flags_t *flags = card->flags;
struct timeval tv;
int err = 0;
+
if (dev->start)
- return -EBUSY; /* only one open is allowed */
- if (test_and_set_bit(0, (void *) &card->wandev.critical))
+ return -EBUSY; /* only one open is allowed */
+
+ if (test_and_set_bit(0, (void*)&card->wandev.critical))
return -EAGAIN;
- if ((card->hw.fwid == SFID_PPP502) ? config502(card) : config508(card)) {
- err = -EIO;
- card->wandev.critical = 0;
- return err;
- }
- Intr_test_counter = 0;
- 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;
+
+ if (!card->configured){
+
+ if (config508(ppp_priv_area, card)){
+
+ err = -EIO;
+ card->wandev.critical = 0;
+ return err;
+ }
+
+ Intr_test_counter = 0;
+ err = intr_test( card );
+
+ if(err || (Intr_test_counter < MAX_INTR_TEST_COUNTER)) {
+ printk("%s: Interrupt Test Failed, Counter: %i\n",
+ card->devname, Intr_test_counter);
+ printk( "%s: Please choose another interrupt\n",card->devname);
+ err = -EIO;
+ card->wandev.critical = 0;
+ return err;
+ }
+
+ printk(KERN_INFO "%s: Interrupt Test Passed, Counter: %i\n",
+ card->devname, Intr_test_counter);
+ card->configured = 1;
+
}
- printk(KERN_INFO "%s: Interrupt Test Passed, Counter: %i\n",
- card->devname, Intr_test_counter);
+
/* Initialize Rx/Tx buffer control fields */
- init_ppp_tx_rx_buff(card);
- if (ppp_set_intr_mode(card, 0x03)) {
+ init_ppp_tx_rx_buff( card );
+
+ if (ppp_set_intr_mode(card, PPP_INTR_RXRDY|
+ PPP_INTR_TXRDY|
+ PPP_INTR_MODEM|
+ PPP_INTR_CMD |
+ PPP_INTR_DISC |
+ PPP_INTR_OPEN |
+ PPP_INTR_DROP_DTR |
+ PPP_INTR_TIMER)) {
+
err = -EIO;
card->wandev.critical = 0;
return err;
+
+ }
+
+ /* Turn off the transmit and timer interrupt */
+ flags->imask &= ~(PPP_INTR_TXRDY | PPP_INTR_TIMER) ;
+
+ /* If you are not the authenticator and any one of the protocol is
+ * enabled then we call the set_out_bound_authentication.
+ */
+ if ( !card->u.p.authenticator && (ppp_priv_area->pap || ppp_priv_area->chap)) {
+ if ( ppp_set_outbnd_auth(card, ppp_priv_area) ){
+ err = -EIO;
+ card->wandev.critical = 0;
+ return err;
+ }
+ }
+
+ /* If you are the authenticator and any one of the protocol is enabled
+ * then we call the set_in_bound_authentication.
+ */
+ if ( card->u.p.authenticator && (ppp_priv_area->pap || ppp_priv_area->chap)) {
+ if ( ppp_set_inbnd_auth(card, ppp_priv_area) ){
+ err = -EIO;
+ card->wandev.critical = 0;
+ return err;
+ }
}
- flags->imask &= ~0x02;
+
if (ppp_comm_enable(card)) {
err = -EIO;
card->wandev.critical = 0;
return err;
}
+
+
wanpipe_set_state(card, WAN_CONNECTING);
wanpipe_open(card);
dev->mtu = min(dev->mtu, card->wandev.mtu);
dev->interrupt = 0;
dev->tbusy = 0;
dev->start = 1;
- do_gettimeofday(&tv);
+ do_gettimeofday( &tv );
ppp_priv_area->router_start_time = tv.tv_sec;
card->wandev.critical = 0;
+
return err;
}
@@ -486,13 +730,14 @@
* o if this is the last open, then disable communications and interrupts.
* o reset flags.
*/
-
static int if_close(struct net_device *dev)
{
ppp_private_area_t *ppp_priv_area = dev->priv;
sdla_t *card = ppp_priv_area->card;
- if (test_and_set_bit(0, (void *) &card->wandev.critical))
+
+ if (test_and_set_bit(0, (void*)&card->wandev.critical))
return -EAGAIN;
+
dev->start = 0;
wanpipe_close(card);
wanpipe_set_state(card, WAN_DISCONNECTED);
@@ -511,19 +756,21 @@
*
* Return: media header length.
*/
-
static int if_header(struct sk_buff *skb, struct net_device *dev,
- unsigned short type, void *daddr, void *saddr, unsigned len)
+ unsigned short type, void *daddr, void *saddr, unsigned len)
{
- switch (type)
+ switch (type)
{
case ETH_P_IP:
+
case ETH_P_IPX:
- skb->protocol = type;
+ skb->protocol = htons(type);
break;
+
default:
skb->protocol = 0;
}
+
return PPP_HDR_LEN;
}
@@ -534,13 +781,14 @@
* 0 physical address not resolved
*/
-static int if_rebuild_hdr(struct sk_buff *skb)
+static int if_rebuild_hdr (struct sk_buff *skb)
{
- struct net_device *dev=skb->dev;
+ struct net_device *dev = skb->dev;
ppp_private_area_t *ppp_priv_area = dev->priv;
sdla_t *card = ppp_priv_area->card;
+
printk(KERN_INFO "%s: rebuild_header() called for interface %s!\n",
- card->devname, dev->name);
+ card->devname, dev->name);
return 1;
}
@@ -561,303 +809,355 @@
* 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 net_device *dev)
+static int if_send (struct sk_buff *skb, struct net_device *dev)
{
ppp_private_area_t *ppp_priv_area = dev->priv;
sdla_t *card = ppp_priv_area->card;
unsigned char *sendpacket;
- unsigned long check_braddr, check_mcaddr;
- unsigned long host_cpu_flags;
+ unsigned long smp_flags;
ppp_flags_t *flags = card->flags;
int retry = 0;
- int err, udp_type;
- ++ppp_priv_area->if_send_entry;
+ int udp_type;
+
+
+ ++ppp_priv_area->if_send_stat.if_send_entry;
+
if (skb == NULL) {
+
/* If we get here, some higher layer thinks we've missed an
* tx-done interrupt.
*/
printk(KERN_INFO "%s: interface %s got kicked!\n",
- card->devname, dev->name);
- ++ppp_priv_area->if_send_skb_null;
+ card->devname, dev->name);
+
+ ++ppp_priv_area->if_send_stat.if_send_skb_null;
+
mark_bh(NET_BH);
return 0;
+
}
+
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.
*/
- ++ppp_priv_area->if_send_busy;
- ++card->wandev.stats.collisions;
- if ((jiffies - ppp_priv_area->tick_counter) < (5 * HZ)) {
+
+ ++ppp_priv_area->if_send_stat.if_send_tbusy;
+ ++card->wandev.stats.collisions;
+
+ if ((jiffies - ppp_priv_area->tick_counter) < (5*HZ)) {
return 1;
}
- printk(KERN_INFO "%s: Transmit times out\n", card->devname);
- ++ppp_priv_area->if_send_busy_timeout;
- /* unbusy the card (because only one interface per card) */
+
+ printk (KERN_INFO "%s: Transmit times out\n",card->devname);
+
+ ++ppp_priv_area->if_send_stat.if_send_tbusy_timeout;
+ ++card->wandev.stats.collisions;
+
+ /* unbusy the card (because only one interface per card)*/
dev->tbusy = 0;
- }
+ }
sendpacket = skb->data;
- udp_type = udp_pkt_type(skb, card);
- if (udp_type == UDP_DRVSTATS_TYPE) {
- ++ppp_priv_area->if_send_DRVSTATS_request;
- process_udp_driver_call(UDP_PKT_FRM_STACK, card, skb, dev,
- ppp_priv_area);
- dev_kfree_skb(skb);
- return 0;
- } else if (udp_type == UDP_PTPIPE_TYPE)
- ++ppp_priv_area->if_send_PTPIPE_request;
- /* retreive source address in two forms: broadcast & multicast */
- check_braddr = sendpacket[15];
- check_mcaddr = sendpacket[12];
- check_braddr = check_braddr << 8;
- check_mcaddr = check_mcaddr << 8;
- check_braddr |= sendpacket[14];
- check_mcaddr |= sendpacket[13];
- check_braddr = check_braddr << 8;
- check_mcaddr = check_mcaddr << 8;
- check_braddr |= sendpacket[13];
- check_mcaddr |= sendpacket[14];
- check_braddr = check_braddr << 8;
- check_mcaddr = check_mcaddr << 8;
- check_braddr |= sendpacket[12];
- check_mcaddr |= sendpacket[15];
- /* if the Source Address is a Multicast address */
- if ((ppp_priv_area->mc == WANOPT_NO) && (check_mcaddr >= 0xE0000001)
- && (check_mcaddr <= 0xFFFFFFFE)) {
- printk(KERN_INFO "%s: Mutlicast Src. Addr. silently discarded\n"
- ,card->devname);
- dev_kfree_skb(skb);
- ++ppp_priv_area->if_send_multicast;
- ++card->wandev.stats.tx_dropped;
+
+ udp_type = udp_pkt_type( skb, card );
+
+
+ if (udp_type == UDP_PTPIPE_TYPE){
+ if(store_udp_mgmt_pkt(UDP_PKT_FRM_STACK, card, skb, dev,
+ ppp_priv_area)){
+ flags->imask |= PPP_INTR_TIMER;
+ }
+ ++ppp_priv_area->if_send_stat.if_send_PIPE_request;
return 0;
+
}
- disable_irq(card->hw.irq);
- ++card->irq_dis_if_send_count;
- if (test_and_set_bit(0, (void *) &card->wandev.critical)) {
- if (card->wandev.critical == CRITICAL_IN_ISR) {
- /* If the critical flag is set due to an Interrupt
- * then set enable transmit interrupt flag to enable
- * transmit interrupt. (delay interrupt)
- */
- card->wandev.enable_tx_int = 1;
- dev->tbusy = 1;
- /* set the counter to see if we get the interrupt in
- * 5 seconds.
- */
- ppp_priv_area->tick_counter = jiffies;
- ++ppp_priv_area->if_send_critical_ISR;
- save_flags(host_cpu_flags);
- cli();
- if ((!(--card->irq_dis_if_send_count)) &&
- (!card->irq_dis_poll_count))
- enable_irq(card->hw.irq);
- restore_flags(host_cpu_flags);
- return 1;
+
+ /* Check for broadcast and multicast addresses
+ * If found, drop (deallocate) a packet and return.
+ */
+ if(chk_bcast_mcast_addr(card, dev, skb)){
+ return 0;
+ }
+
+
+ if(card->hw.type != SDLA_S514){
+ s508_lock(card,&smp_flags);
+ }
+
+ if (test_and_set_bit(0, (void*)&card->wandev.critical)) {
+
+ printk(KERN_INFO "%s: Critical in if_send: %x\n",
+ card->wandev.name,card->wandev.critical);
+ dev_kfree_skb(skb);
+
+ ++card->wandev.stats.tx_dropped;
+ ++ppp_priv_area->if_send_stat.if_send_critical_non_ISR;
+
+ if(card->hw.type != SDLA_S514){
+ s508_unlock(card,&smp_flags);
}
- dev_kfree_skb(skb);
- ++ppp_priv_area->if_send_critical_non_ISR;
- save_flags(host_cpu_flags);
- cli();
- if ((!(--card->irq_dis_if_send_count)) &&
- (!card->irq_dis_poll_count))
- enable_irq(card->hw.irq);
- restore_flags(host_cpu_flags);
+
return 0;
}
- if (udp_type == UDP_PTPIPE_TYPE) {
- err = process_udp_mgmt_pkt(UDP_PKT_FRM_STACK, card, skb,
- dev, ppp_priv_area);
- } else if (card->wandev.state != WAN_CONNECTED) {
- ++ppp_priv_area->if_send_wan_disconnected;
- ++card->wandev.stats.tx_dropped;
- } else if (!skb->protocol) {
- ++ppp_priv_area->if_send_protocol_error;
- ++card->wandev.stats.tx_errors;
+
+ if (card->wandev.state != WAN_CONNECTED) {
+
+ ++ppp_priv_area->if_send_stat.if_send_wan_disconnected;
+ ++card->wandev.stats.tx_dropped;
+
+ } else if (!skb->protocol) {
+ ++ppp_priv_area->if_send_stat.if_send_protocol_error;
+ ++card->wandev.stats.tx_errors;
+
} else {
- /*If it's IPX change the network numbers to 0 if they're ours. */
- if (skb->protocol == ETH_P_IPX) {
- if (card->wandev.enable_IPX) {
- switch_net_numbers(skb->data,
- card->wandev.network_number, 0);
+
+ /*If it's IPX change the network numbers to 0 if they're ours.*/
+ if( skb->protocol == htons(ETH_P_IPX) ) {
+ if(ppp_priv_area->enable_IPX) {
+ switch_net_numbers( skb->data,
+ ppp_priv_area->network_number, 0);
} else {
++card->wandev.stats.tx_dropped;
goto tx_done;
}
}
+
if (ppp_send(card, skb->data, skb->len, skb->protocol)) {
retry = 1;
dev->tbusy = 1;
- ++ppp_priv_area->if_send_adptr_bfrs_full;
- ++ppp_priv_area->if_send_tx_int_enabled;
+ ++ppp_priv_area->if_send_stat.if_send_adptr_bfrs_full;
+ ++ppp_priv_area->if_send_stat.if_send_tx_int_enabled;
ppp_priv_area->tick_counter = jiffies;
- ++card->wandev.stats.tx_errors;
flags->imask |= 0x02; /* unmask Tx interrupts */
} else {
- ++ppp_priv_area->if_send_bfr_passed_to_adptr;
+ ++ppp_priv_area->if_send_stat.if_send_bfr_passed_to_adptr;
++card->wandev.stats.tx_packets;
card->wandev.stats.tx_bytes += skb->len;
}
- }
-tx_done:
- if (!retry) {
+ }
+
+tx_done:
+ 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);
- restore_flags(host_cpu_flags);
+
+ if(card->hw.type != SDLA_S514){
+ s508_unlock(card,&smp_flags);
+ }
+
+
return retry;
}
+
+/*=============================================================================
+ * Store a UDP management packet for later processing.
+ */
+
+static int store_udp_mgmt_pkt(char udp_pkt_src, sdla_t* card,
+ struct sk_buff *skb, struct net_device* dev,
+ ppp_private_area_t* ppp_priv_area )
+{
+ int udp_pkt_stored = 0;
+
+ if(!ppp_priv_area->udp_pkt_lgth && (skb->len<=MAX_LGTH_UDP_MGNT_PKT)){
+ ppp_priv_area->udp_pkt_lgth = skb->len;
+ ppp_priv_area->udp_pkt_src = udp_pkt_src;
+ memcpy(ppp_priv_area->udp_pkt_data, skb->data, skb->len);
+ ppp_priv_area->timer_int_enabled |= TMR_INT_ENABLED_UDP;
+ ppp_priv_area->protocol = skb->protocol;
+ udp_pkt_stored = 1;
+ }else{
+ if (skb->len > MAX_LGTH_UDP_MGNT_PKT){
+ printk(KERN_INFO "%s: PIPEMON UDP request too long : %i\n",
+ card->devname, skb->len);
+ }else{
+ printk(KERN_INFO "%s: PIPEMON UPD request already pending\n",
+ card->devname);
+ }
+ ppp_priv_area->udp_pkt_lgth = 0;
+ }
+
+ dev_kfree_skb(skb);
+ return(udp_pkt_stored);
+}
+
+
+
/*============================================================================
* Reply to UDP Management system.
* Return length of reply.
*/
-
-static int reply_udp(unsigned char *data, unsigned int mbox_len)
+static int reply_udp( unsigned char *data, unsigned int mbox_len )
{
- unsigned short len, udp_length, temp, i, ip_length;
- unsigned long sum;
+ unsigned short len, udp_length, temp, ip_length;
+ unsigned long ip_temp;
+ int even_bound = 0;
+ ppp_udp_pkt_t *p_udp_pkt = (ppp_udp_pkt_t *)data;
+
/* Set length of packet */
- len = mbox_len + 60;
+ len = sizeof(ip_pkt_t)+
+ sizeof(udp_pkt_t)+
+ sizeof(wp_mgmt_t)+
+ sizeof(cblock_t)+
+ mbox_len;
+
/* fill in UDP reply */
- data[36] = 0x02;
+ p_udp_pkt->wp_mgmt.request_reply = UDPMGMT_REPLY;
+
/* fill in UDP length */
- udp_length = mbox_len + 40;
+ udp_length = sizeof(udp_pkt_t)+
+ sizeof(wp_mgmt_t)+
+ sizeof(cblock_t)+
+ mbox_len;
+
+
/* put it on an even boundary */
- if (udp_length & 0x0001) {
+ if ( udp_length & 0x0001 ) {
udp_length += 1;
len += 1;
- }
- temp = (udp_length << 8) | (udp_length >> 8);
- memcpy(&data[24], &temp, 2);
+ even_bound=1;
+ }
+
+ temp = (udp_length<<8)|(udp_length>>8);
+ p_udp_pkt->udp_pkt.udp_length = temp;
+
+
/* swap UDP ports */
- memcpy(&temp, &data[20], 2);
- memcpy(&data[20], &data[22], 2);
- memcpy(&data[22], &temp, 2);
+ temp = p_udp_pkt->udp_pkt.udp_src_port;
+ p_udp_pkt->udp_pkt.udp_src_port =
+ p_udp_pkt->udp_pkt.udp_dst_port;
+ p_udp_pkt->udp_pkt.udp_dst_port = temp;
+
+
/* add UDP pseudo header */
temp = 0x1100;
- memcpy(&data[udp_length + 20], &temp, 2);
- temp = (udp_length << 8) | (udp_length >> 8);
- memcpy(&data[udp_length + 22], &temp, 2);
+ *((unsigned short *)(p_udp_pkt->data+mbox_len+even_bound)) = temp;
+ temp = (udp_length<<8)|(udp_length>>8);
+ *((unsigned short *)(p_udp_pkt->data+mbox_len+even_bound+2)) = temp;
+
/* calculate UDP checksum */
- data[26] = data[27] = 0;
- sum = 0;
- for (i = 0; i < udp_length + 12; i += 2) {
- memcpy(&temp, &data[12 + 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[26], &temp, 2);
+ p_udp_pkt->udp_pkt.udp_checksum = 0;
+ p_udp_pkt->udp_pkt.udp_checksum =
+ calc_checksum(&data[UDP_OFFSET],udp_length+UDP_OFFSET);
+
/* fill in IP length */
- ip_length = udp_length + 20;
- temp = (ip_length << 8) | (ip_length >> 8);
- memcpy(&data[2], &temp, 2);
+ ip_length = udp_length + sizeof(ip_pkt_t);
+ temp = (ip_length<<8)|(ip_length>>8);
+ p_udp_pkt->ip_pkt.total_length = temp;
+
/* swap IP addresses */
- memcpy(&temp, &data[12], 2);
- memcpy(&data[12], &data[16], 2);
- memcpy(&data[16], &temp, 2);
- memcpy(&temp, &data[14], 2);
- memcpy(&data[14], &data[18], 2);
- memcpy(&data[18], &temp, 2);
+ ip_temp = p_udp_pkt->ip_pkt.ip_src_address;
+ p_udp_pkt->ip_pkt.ip_src_address = p_udp_pkt->ip_pkt.ip_dst_address;
+ p_udp_pkt->ip_pkt.ip_dst_address = ip_temp;
+
/* fill in IP checksum */
- data[10] = data[11] = 0;
- sum = 0;
- for (i = 0; i < 20; i += 2) {
- memcpy(&temp, &data[i], 2);
- sum += (unsigned long) temp;
+ p_udp_pkt->ip_pkt.hdr_checksum = 0;
+ p_udp_pkt->ip_pkt.hdr_checksum = calc_checksum(data,sizeof(ip_pkt_t));
+
+ return len;
+
+} /* reply_udp */
+
+unsigned short calc_checksum (char *data, int len)
+{
+ unsigned short temp;
+ unsigned long sum=0;
+ int i;
+
+ for( i = 0; i <len; i+=2 ) {
+ memcpy(&temp,&data[i],2);
+ sum += (unsigned long)temp;
}
- while (sum >> 16) {
+
+ while (sum >> 16 ) {
sum = (sum & 0xffffUL) + (sum >> 16);
}
- temp = (unsigned short) sum;
+
+ temp = (unsigned short)sum;
temp = ~temp;
- if (temp == 0)
+
+ if( temp == 0 )
temp = 0xffff;
- memcpy(&data[10], &temp, 2);
- return len;
-} /* reply_udp */
+
+ return temp;
+}
/*
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[6] << 24) +
- (sendpacket[7] << 16) + (sendpacket[8] << 8) +
- sendpacket[9]);
+
+ pnetwork_number = (unsigned long)((sendpacket[6] << 24) +
+ (sendpacket[7] << 16) + (sendpacket[8] << 8) +
+ sendpacket[9]);
+
if (!incoming) {
- /* If the destination network number is ours, make it 0 */
- if (pnetwork_number == network_number) {
- sendpacket[6] = sendpacket[7] = sendpacket[8] =
- sendpacket[9] = 0x00;
+ //If the destination network number is ours, make it 0
+ if( pnetwork_number == network_number) {
+ sendpacket[6] = sendpacket[7] = sendpacket[8] =
+ sendpacket[9] = 0x00;
}
} else {
- /* If the incoming network is 0, make it ours */
- if (pnetwork_number == 0) {
- sendpacket[6] = (unsigned char) (network_number >> 24);
- sendpacket[7] = (unsigned char) ((network_number &
- 0x00FF0000) >> 16);
- sendpacket[8] = (unsigned char) ((network_number &
- 0x0000FF00) >> 8);
- sendpacket[9] = (unsigned char) (network_number &
- 0x000000FF);
+ //If the incoming network is 0, make it ours
+ if( pnetwork_number == 0) {
+ sendpacket[6] = (unsigned char)(network_number >> 24);
+ sendpacket[7] = (unsigned char)((network_number &
+ 0x00FF0000) >> 16);
+ sendpacket[8] = (unsigned char)((network_number &
+ 0x0000FF00) >> 8);
+ sendpacket[9] = (unsigned char)(network_number &
+ 0x000000FF);
}
}
- pnetwork_number = (unsigned long) ((sendpacket[18] << 24) +
- (sendpacket[19] << 16) + (sendpacket[20] << 8) +
- sendpacket[21]);
- if (!incoming) {
- /* If the source network is ours, make it 0 */
- if (pnetwork_number == network_number) {
- sendpacket[18] = sendpacket[19] = sendpacket[20] =
- sendpacket[21] = 0x00;
+
+
+ pnetwork_number = (unsigned long)((sendpacket[18] << 24) +
+ (sendpacket[19] << 16) + (sendpacket[20] << 8) +
+ sendpacket[21]);
+
+ if( !incoming ) {
+ //If the source network is ours, make it 0
+ if( pnetwork_number == network_number) {
+ sendpacket[18] = sendpacket[19] = sendpacket[20] =
+ sendpacket[21] = 0x00;
}
} else {
- /* If the source network is 0, make it ours */
- if (pnetwork_number == 0) {
- sendpacket[18] = (unsigned char) (network_number >> 24);
- sendpacket[19] = (unsigned char) ((network_number &
- 0x00FF0000) >> 16);
- sendpacket[20] = (unsigned char) ((network_number &
- 0x0000FF00) >> 8);
- sendpacket[21] = (unsigned char) (network_number &
- 0x000000FF);
+ //If the source network is 0, make it ours
+ if( pnetwork_number == 0 ) {
+ sendpacket[18] = (unsigned char)(network_number >> 24);
+ sendpacket[19] = (unsigned char)((network_number &
+ 0x00FF0000) >> 16);
+ sendpacket[20] = (unsigned char)((network_number &
+ 0x0000FF00) >> 8);
+ sendpacket[21] = (unsigned char)(network_number &
+ 0x000000FF);
}
}
-} /* switch_net_numbers */
+} /* switch_net_numbers */
/*============================================================================
- * Get Ethernet-style interface statistics.
- * Return a pointer to struct enet_statistics.
+ * Get ethernet-style interface statistics.
+ * Return a pointer to struct net_device_stats.
*/
-
-static struct enet_statistics *if_stats(struct net_device *dev)
+static struct net_device_stats *if_stats(struct net_device *dev)
{
+
ppp_private_area_t *ppp_priv_area = dev->priv;
- sdla_t *card;
+ sdla_t* card;
- /*
- * Device is down:No statistics
- */
-
- if(ppp_priv_area==NULL)
+ if( ppp_priv_area == NULL )
return NULL;
-
+
card = ppp_priv_area->card;
return &card->wandev.stats;
}
@@ -868,122 +1168,257 @@
* Read firmware code version.
* Put code version as ASCII string in str.
*/
-
-static int ppp_read_version(sdla_t * card, char *str)
+static int ppp_read_version(sdla_t *card, char *str)
{
ppp_mbox_t *mb = card->mbox;
int err;
+
memset(&mb->cmd, 0, sizeof(ppp_cmd_t));
mb->cmd.command = PPP_READ_CODE_VERSION;
err = sdla_exec(mb) ? mb->cmd.result : CMD_TIMEOUT;
+
if (err != CMD_OK)
+
ppp_error(card, err, mb);
+
else if (str) {
+
int len = mb->cmd.length;
+
memcpy(str, mb->data, len);
str[len] = '\0';
+
+ }
+
+ return err;
+}
+/*===========================================================================
+ * Set Out-Bound Authentication.
+*/
+static int ppp_set_outbnd_auth (sdla_t *card, ppp_private_area_t *ppp_priv_area)
+{
+ ppp_mbox_t *mb = card->mbox;
+ int err;
+
+ memset(&mb->cmd, 0, sizeof(ppp_cmd_t));
+ memset(&mb->data, 0, (strlen(ppp_priv_area->userid) +
+ strlen(ppp_priv_area->passwd) + 2 ) );
+ memcpy(mb->data, ppp_priv_area->userid, strlen(ppp_priv_area->userid));
+ memcpy((mb->data + strlen(ppp_priv_area->userid) + 1),
+ ppp_priv_area->passwd, strlen(ppp_priv_area->passwd));
+
+ mb->cmd.length = strlen(ppp_priv_area->userid) +
+ strlen(ppp_priv_area->passwd) + 2 ;
+
+ mb->cmd.command = PPP_SET_OUTBOUND_AUTH;
+
+ err = sdla_exec(mb) ? mb->cmd.result : CMD_TIMEOUT;
+
+ if (err != CMD_OK)
+ ppp_error(card, err, mb);
+
+ return err;
+}
+
+/*===========================================================================
+ * Set In-Bound Authentication.
+*/
+static int ppp_set_inbnd_auth (sdla_t *card, ppp_private_area_t *ppp_priv_area)
+{
+ ppp_mbox_t *mb = card->mbox;
+ int err, i;
+ char* user_tokens[32];
+ char* pass_tokens[32];
+ int userids, passwds;
+ int add_ptr;
+
+ memset(&mb->cmd, 0, sizeof(ppp_cmd_t));
+ memset(&mb->data, 0, 1008);
+ memcpy(mb->data, ppp_priv_area->sysname,
+ strlen(ppp_priv_area->sysname));
+
+ /* Parse the userid string and the password string and build a string
+ to copy it to the data area of the command structure. The string
+ will look like "SYS_NAME<NULL>USER1<NULL>PASS1<NULL>USER2<NULL>PASS2
+ ....<NULL> "
+ */
+ userids = tokenize( ppp_priv_area->userid, user_tokens);
+ passwds = tokenize( ppp_priv_area->passwd, pass_tokens);
+
+ if (userids != passwds){
+ printk(KERN_INFO "%s: Number of passwords does not equal the number of user ids\n", card->devname);
+ return 1;
+ }
+
+ add_ptr = strlen(ppp_priv_area->sysname) + 1;
+ for (i=0; i<userids; i++){
+ memcpy((mb->data + add_ptr), user_tokens[i],
+ strlen(user_tokens[i]));
+ memcpy((mb->data + add_ptr + strlen(user_tokens[i]) + 1),
+ pass_tokens[i], strlen(pass_tokens[i]));
+ add_ptr = add_ptr + strlen(user_tokens[i]) + 1 +
+ strlen(pass_tokens[i]) + 1;
}
+
+ mb->cmd.length = add_ptr + 1;
+ mb->cmd.command = PPP_SET_INBOUND_AUTH;
+
+ err = sdla_exec(mb) ? mb->cmd.result : CMD_TIMEOUT;
+
+ if (err != CMD_OK)
+ ppp_error(card, err, mb);
+
return err;
}
+
+/*============================================================================
+ * Tokenize string.
+ * Parse a string of the following syntax:
+ * <arg1>,<arg2>,...
+ * and fill array of tokens with pointers to string elements.
+ *
+ */
+static int tokenize (char *str, char **tokens)
+{
+ int cnt = 0;
+
+ tokens[0] = strtok(str, "/");
+ while (tokens[cnt] && (cnt < 32 - 1))
+ {
+ tokens[cnt] = strstrip(tokens[cnt], " \t");
+ tokens[++cnt] = strtok(NULL, "/");
+ }
+ return cnt;
+}
+
/*============================================================================
- * Configure PPP firmware.
+ * Strip leading and trailing spaces off the string str.
*/
+static char* strstrip (char *str, char* s)
+{
+ char *eos = str + strlen(str); /* -> end of string */
-static int ppp_configure(sdla_t * card, void *data)
+ while (*str && strchr(s, *str))
+ ++str /* strip leading spaces */
+ ;
+ while ((eos > str) && strchr(s, *(eos - 1)))
+ --eos /* strip trailing spaces */
+ ;
+ *eos = '\0';
+ return str;
+}
+/*============================================================================
+ * Configure PPP firmware.
+ */
+static int ppp_configure(sdla_t *card, void *data)
{
ppp_mbox_t *mb = card->mbox;
- int data_len = (card->hw.fwid == SFID_PPP502) ?
- sizeof(ppp502_conf_t) : sizeof(ppp508_conf_t);
+ int data_len = sizeof(ppp508_conf_t);
int err;
+
memset(&mb->cmd, 0, sizeof(ppp_cmd_t));
memcpy(mb->data, data, data_len);
- mb->cmd.length = data_len;
+ mb->cmd.length = data_len;
mb->cmd.command = PPP_SET_CONFIG;
err = sdla_exec(mb) ? mb->cmd.result : CMD_TIMEOUT;
- if (err != CMD_OK)
+
+ if (err != CMD_OK)
ppp_error(card, err, mb);
+
return err;
}
/*============================================================================
* Set interrupt mode.
*/
-
-static int ppp_set_intr_mode(sdla_t * card, unsigned mode)
+static int ppp_set_intr_mode(sdla_t *card, unsigned char mode)
{
ppp_mbox_t *mb = card->mbox;
+ ppp_intr_info_t *ppp_intr_data = (ppp_intr_info_t *) &mb->data[0];
int err;
+
memset(&mb->cmd, 0, sizeof(ppp_cmd_t));
- mb->data[0] = mode;
- switch (card->hw.fwid) {
- case SFID_PPP502:
- mb->cmd.length = 1;
- break;
- case SFID_PPP508:
- default:
- mb->data[1] = card->hw.irq;
- mb->cmd.length = 2;
- }
+ ppp_intr_data->i_enable = mode;
+
+ ppp_intr_data->irq = card->hw.irq;
+ mb->cmd.length = 2;
+
+ /* If timer has been enabled, set the timer delay to 1sec */
+ if (mode & 0x80){
+ ppp_intr_data->timer_len = 5;//100; //250;
+ mb->cmd.length = 4;
+ }
+
mb->cmd.command = PPP_SET_INTR_FLAGS;
err = sdla_exec(mb) ? mb->cmd.result : CMD_TIMEOUT;
- if (err != CMD_OK)
+
+ if (err != CMD_OK)
ppp_error(card, err, mb);
+
+
return err;
}
/*============================================================================
* Enable communications.
*/
-
-static int ppp_comm_enable(sdla_t * card)
+static int ppp_comm_enable(sdla_t *card)
{
ppp_mbox_t *mb = card->mbox;
int err;
+
memset(&mb->cmd, 0, sizeof(ppp_cmd_t));
mb->cmd.command = PPP_COMM_ENABLE;
err = sdla_exec(mb) ? mb->cmd.result : CMD_TIMEOUT;
- if (err != CMD_OK)
+
+ if (err != CMD_OK)
ppp_error(card, err, mb);
+
return err;
}
/*============================================================================
* Disable communications.
*/
-
-static int ppp_comm_disable(sdla_t * card)
+static int ppp_comm_disable(sdla_t *card)
{
ppp_mbox_t *mb = card->mbox;
int err;
+
memset(&mb->cmd, 0, sizeof(ppp_cmd_t));
mb->cmd.command = PPP_COMM_DISABLE;
err = sdla_exec(mb) ? mb->cmd.result : CMD_TIMEOUT;
- if (err != CMD_OK)
+ if (err != CMD_OK)
ppp_error(card, err, mb);
+
return err;
}
/*============================================================================
* Get communications error statistics.
*/
-
-static int ppp_get_err_stats(sdla_t * card)
+static int ppp_get_err_stats(sdla_t *card)
{
ppp_mbox_t *mb = card->mbox;
int err;
+
memset(&mb->cmd, 0, sizeof(ppp_cmd_t));
mb->cmd.command = PPP_READ_ERROR_STATS;
err = sdla_exec(mb) ? mb->cmd.result : CMD_TIMEOUT;
+
if (err == CMD_OK) {
- ppp_err_stats_t *stats = (void *) mb->data;
- card->wandev.stats.rx_over_errors = stats->rx_overrun;
- card->wandev.stats.rx_crc_errors = stats->rx_bad_crc;
- card->wandev.stats.rx_missed_errors = stats->rx_abort;
- card->wandev.stats.rx_length_errors = stats->rx_lost;
+
+ ppp_err_stats_t* stats = (void*)mb->data;
+ card->wandev.stats.rx_over_errors = stats->rx_overrun;
+ card->wandev.stats.rx_crc_errors = stats->rx_bad_crc;
+ card->wandev.stats.rx_missed_errors = stats->rx_abort;
+ card->wandev.stats.rx_length_errors = stats->rx_lost;
card->wandev.stats.tx_aborted_errors = stats->tx_abort;
- } else
+
+ } else
ppp_error(card, err, mb);
+
return err;
}
@@ -992,27 +1427,30 @@
* Return: 0 - o.k.
* 1 - no transmit buffers available
*/
-
-static int ppp_send(sdla_t * card, void *data, unsigned len, unsigned proto)
+static int ppp_send (sdla_t *card, void *data, unsigned len, unsigned proto)
{
ppp_buf_ctl_t *txbuf = card->u.p.txbuf;
- unsigned long addr;
+
if (txbuf->flag)
- return 1
- ;
- if (card->hw.fwid == SFID_PPP502)
- addr = (txbuf->buf.o_p[1] << 8) + txbuf->buf.o_p[0];
- else
- addr = txbuf->buf.ptr;
- sdla_poke(&card->hw, addr, data, len);
- txbuf->length = len; /* frame length */
- if (proto == ETH_P_IPX)
+ return 1;
+
+ sdla_poke(&card->hw, txbuf->buf.ptr, data, len);
+
+ txbuf->length = len; /* frame length */
+
+ if (proto == htons(ETH_P_IPX))
txbuf->proto = 0x01; /* protocol ID */
- txbuf->flag = 1; /* start transmission */
+ else
+ txbuf->proto = 0x00; /* protocol ID */
+
+ txbuf->flag = 1; /* start transmission */
+
/* Update transmit buffer control fields */
card->u.p.txbuf = ++txbuf;
- if ((void *) txbuf > card->u.p.txbuf_last)
+
+ if ((void*)txbuf > card->u.p.txbuf_last)
card->u.p.txbuf = card->u.p.txbuf_base;
+
return 0;
}
@@ -1025,19 +1463,22 @@
*
* Return zero if previous command has to be cancelled.
*/
-
-static int ppp_error(sdla_t * card, int err, ppp_mbox_t * mb)
+static int ppp_error(sdla_t *card, int err, ppp_mbox_t *mb)
{
unsigned cmd = mb->cmd.command;
+
switch (err) {
- case CMD_TIMEOUT:
- printk(KERN_ERR "%s: command 0x%02X timed out!\n",
- card->devname, cmd);
- break;
- default:
- printk(KERN_INFO "%s: command 0x%02X returned 0x%02X!\n"
- ,card->devname, cmd, err);
+
+ case CMD_TIMEOUT:
+ printk(KERN_ERR "%s: command 0x%02X timed out!\n",
+ card->devname, cmd);
+ break;
+
+ default:
+ printk(KERN_INFO "%s: command 0x%02X returned 0x%02X!\n"
+ , card->devname, cmd, err);
}
+
return 0;
}
@@ -1046,81 +1487,89 @@
/*============================================================================
* PPP interrupt service routine.
*/
-
-STATIC void wpp_isr(sdla_t * card)
+STATIC void wpp_isr(sdla_t *card)
{
ppp_flags_t *flags = card->flags;
char *ptr = &flags->iflag;
- unsigned long host_cpu_flags;
struct net_device *dev = card->wandev.dev;
+
+
int i;
+
card->in_isr = 1;
+
++card->statistics.isr_entry;
- if (test_and_set_bit(0, (void *) &card->wandev.critical)) {
- ++card->statistics.isr_already_critical;
- printk(KERN_INFO "%s: Critical while in ISR!\n", card->devname);
- card->in_isr = 0;
- return;
+
+ //FIXME: Do we need this
+ card->force_enable_irq = 0;
+
+ if(card->hw.type != SDLA_S514){
+ if (test_and_set_bit(0, (void*)&card->wandev.critical)) {
+
+ ++card->statistics.isr_already_critical;
+ printk (KERN_INFO "%s: Critical while in ISR!\n",
+ card->devname);
+ card->in_isr = 0;
+ return;
+
+ }
}
- /* For all interrupts set the critical flag to CRITICAL_IN_ISR.
- * 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->buff_int_mode_unbusy = 0;
+
switch (flags->iflag) {
- case 0x01: /* receive interrupt */
- ++card->statistics.isr_rx;
- rx_intr(card);
- break;
- case 0x02: /* transmit interrupt */
- ++card->statistics.isr_tx;
- flags->imask &= ~0x02;
- dev->tbusy = 0;
- card->buff_int_mode_unbusy = 1;
- break;
- case 0x08:
- ++Intr_test_counter;
- ++card->statistics.isr_intr_test;
- break;
- default: /* unexpected interrupt */
- ++card->statistics.isr_spurious;
- printk(KERN_INFO "%s: spurious interrupt 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");
- }
- /* The critical flag is set to CRITICAL_INTR_HANDLED to let the
- * if_send call know that the interrupt is handled so that
- * transmit interrupts are not enabled again.
- */
- card->wandev.critical = CRITICAL_INTR_HANDLED;
- /* If the enable transmit interrupt flag is set then enable transmit
- * interrupt on the board. This only goes through if if_send is called
- * and the critical flag is set due to an Interrupt.
- */
- if (card->wandev.enable_tx_int) {
- flags->imask |= 0x02;
- card->wandev.enable_tx_int = 0;
- ++card->statistics.isr_enable_tx_int;
+
+ case PPP_INTR_RXRDY: /* receive interrupt 0x01 (bit 0)*/
+ ++card->statistics.isr_rx;
+ rx_intr(card);
+ break;
+
+ case PPP_INTR_TXRDY: /* transmit interrupt 0x02 (bit 1)*/
+ ++card->statistics.isr_tx;
+ flags->imask &= ~PPP_INTR_TXRDY;
+ dev->tbusy = 0;
+ card->buff_int_mode_unbusy = 1;
+ break;
+
+ case PPP_INTR_CMD: /* interface command completed */
+ ++Intr_test_counter;
+ ++card->statistics.isr_intr_test;
+ break;
+
+ case PPP_INTR_MODEM: /* modem status change (DCD, CTS) 0x04 (bit 2)*/
+ case PPP_INTR_DISC: /* Data link disconnected 0x10 (bit 4)*/
+ case PPP_INTR_OPEN: /* Data link open 0x20 (bit 5)*/
+ case PPP_INTR_DROP_DTR: /* DTR drop timeout expired 0x40 bit 6 */
+ event_intr(card);
+ break;
+
+ case PPP_INTR_TIMER:
+ timer_intr(card);
+ break;
+
+ default: /* unexpected interrupt */
+ ++card->statistics.isr_spurious;
+ printk(KERN_INFO "%s: spurious interrupt 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");
}
- save_flags(host_cpu_flags);
- cli();
+
card->in_isr = 0;
flags->iflag = 0;
card->wandev.critical = 0;
- restore_flags(host_cpu_flags);
- if (card->buff_int_mode_unbusy)
+
+ if(card->buff_int_mode_unbusy) {
mark_bh(NET_BH);
+ }
}
/*============================================================================
* Receive interrupt handler.
*/
-
-static void rx_intr(sdla_t * card)
+static void rx_intr(sdla_t *card)
{
ppp_buf_ctl_t *rxbuf = card->rxmb;
struct net_device *dev = card->wandev.dev;
@@ -1128,160 +1577,338 @@
struct sk_buff *skb;
unsigned len;
void *buf;
- int i, err;
- ppp_flags_t *flags = card->flags;
- char *ptr = &flags->iflag;
+ int i;
+ ppp_flags_t *flags = card->flags;
+ char *ptr = &flags->iflag;
int udp_type;
+
+
if (rxbuf->flag != 0x01) {
- printk(KERN_INFO
- "%s: corrupted Rx buffer @ 0x%X, flag = 0x%02X!\n",
- card->devname, (unsigned) rxbuf, rxbuf->flag);
- printk(KERN_INFO "%s: ID Bytes = ", card->devname);
- for (i = 0; i < 8; i++)
+
+ printk(KERN_INFO
+ "%s: corrupted Rx buffer @ 0x%X, flag = 0x%02X!\n",
+ card->devname, (unsigned)rxbuf, rxbuf->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");
+ printk(KERN_INFO "\n");
+
++card->statistics.rx_intr_corrupt_rx_bfr;
return;
+
}
+
if (dev && dev->start) {
- len = rxbuf->length;
+
+ len = rxbuf->length;
ppp_priv_area = dev->priv;
+
/* Allocate socket buffer */
skb = dev_alloc_skb(len);
+
if (skb != NULL) {
+
/* Copy data to the socket buffer */
- if (card->hw.fwid == SFID_PPP502) {
- unsigned addr = (rxbuf->buf.o_p[1] << 8) +
- rxbuf->buf.o_p[0];
- buf = skb_put(skb, len);
- sdla_peek(&card->hw, addr, buf, len);
- } else {
- unsigned addr = rxbuf->buf.ptr;
- if ((addr + len) > card->u.p.rx_top + 1) {
- unsigned tmp = card->u.p.rx_top - addr
- + 1;
- buf = skb_put(skb, tmp);
- sdla_peek(&card->hw, addr, buf, tmp);
- addr = card->u.p.rx_base;
- len -= tmp;
- }
- buf = skb_put(skb, len);
- sdla_peek(&card->hw, addr, buf, len);
+ unsigned addr = rxbuf->buf.ptr;
+
+ if ((addr + len) > card->u.p.rx_top + 1) {
+
+ unsigned tmp = card->u.p.rx_top - addr + 1;
+ buf = skb_put(skb, tmp);
+ sdla_peek(&card->hw, addr, buf, tmp);
+ addr = card->u.p.rx_base;
+ len -= tmp;
}
+ buf = skb_put(skb, len);
+ sdla_peek(&card->hw, addr, buf, len);
+
/* Decapsulate packet */
- switch (rxbuf->proto) {
- case 0x00:
- skb->protocol = htons(ETH_P_IP);
- break;
- case 0x01:
- skb->protocol = htons(ETH_P_IPX);
- break;
+ switch (rxbuf->proto) {
+
+ case 0x00:
+ skb->protocol = htons(ETH_P_IP);
+ break;
+
+ case 0x01:
+ skb->protocol = htons(ETH_P_IPX);
+ break;
}
- udp_type = udp_pkt_type(skb, card);
- if (udp_type == UDP_DRVSTATS_TYPE) {
- ++ppp_priv_area->rx_intr_DRVSTATS_request;
- process_udp_driver_call(
- UDP_PKT_FRM_NETWORK, card, skb,
- dev, ppp_priv_area);
- dev_kfree_skb(skb);
- } else if (udp_type == UDP_PTPIPE_TYPE) {
- ++ppp_priv_area->rx_intr_PTPIPE_request;
- err = process_udp_mgmt_pkt(
- UDP_PKT_FRM_NETWORK, card,
- skb, dev, ppp_priv_area);
- dev_kfree_skb(skb);
- } else if (handle_IPXWAN(skb->data, card->devname, card->wandev.enable_IPX, card->wandev.network_number, skb->protocol)) {
- if (card->wandev.enable_IPX) {
- ppp_send(card, skb->data, skb->len, ETH_P_IPX);
- dev_kfree_skb(skb);
+
+ udp_type = udp_pkt_type( skb, card );
+
+ if (udp_type == UDP_PTPIPE_TYPE){
+
+ /* Handle a UDP Request in Timer Interrupt */
+ if(store_udp_mgmt_pkt(UDP_PKT_FRM_NETWORK, card, skb, dev,
+ ppp_priv_area)){
+ flags->imask |= PPP_INTR_TIMER;
+ }
+ ++ppp_priv_area->rx_intr_stat.rx_intr_PIPE_request;
+
+
+ } else if (handle_IPXWAN(skb->data,card->devname,
+ ppp_priv_area->enable_IPX,
+ ppp_priv_area->network_number,
+ skb->protocol)) {
+
+ /* Handle an IPXWAN packet */
+ if( ppp_priv_area->enable_IPX) {
+ ppp_send(card, skb->data, skb->len, htons(ETH_P_IPX));
+ dev_kfree_skb(skb);
+
+
} else {
++card->wandev.stats.rx_dropped;
}
} else {
- /* Pass it up the protocol stack */
- skb->dev = dev;
- skb->mac.raw = skb->data;
+ /* Pass data up the protocol stack */
+ skb->dev = dev;
+ skb->mac.raw = skb->data;
+
+ ++card->wandev.stats.rx_packets;
+ card->wandev.stats.rx_bytes += skb->len;
+ ++ppp_priv_area->rx_intr_stat.rx_intr_bfr_passed_to_stack;
netif_rx(skb);
- ++card->wandev.stats.rx_packets;
- card->wandev.stats.rx_bytes += skb->len;
- ++ppp_priv_area->rx_intr_bfr_passed_to_stack;
}
+
} else {
+
printk(KERN_INFO "%s: no socket buffers available!\n",
- card->devname);
+ card->devname);
++card->wandev.stats.rx_dropped;
- ++ppp_priv_area->rx_intr_no_socket;
+ ++ppp_priv_area->rx_intr_stat.rx_intr_no_socket;
+
+ dev_kfree_skb(skb);
}
- } else
+
+ } else {
++card->statistics.rx_intr_dev_not_started;
+ }
+
/* Release buffer element and calculate a pointer to the next one */
- rxbuf->flag = (card->hw.fwid == SFID_PPP502) ? 0xFF : 0x00;
+ rxbuf->flag = 0x00;
card->rxmb = ++rxbuf;
- if ((void *) rxbuf > card->u.p.rxbuf_last)
+ if ((void*)rxbuf > card->u.p.rxbuf_last)
card->rxmb = card->u.p.rxbuf_base;
}
-/*============================================================================
- * Transmit interrupt handler.
- */
-static void tx_intr(sdla_t * card)
+void event_intr (sdla_t *card)
{
- struct net_device *dev = card->wandev.dev;
- if (!dev || !dev->start) {
- ++card->statistics.tx_intr_dev_not_started;
- return;
+
+ struct net_device* dev = card->wandev.dev;
+ ppp_private_area_t* ppp_priv_area = dev->priv;
+ volatile ppp_flags_t *flags = card->flags;
+
+ switch (flags->iflag){
+
+ case PPP_INTR_MODEM: /* modem status change (DCD, CTS) 0x04 (bit 2)*/
+ printk (KERN_INFO "%s: Modem status: DCD=%s CTS=%s\n",
+ card->devname, DCD(flags->mstatus), CTS(flags->mstatus));
+
+ break;
+
+ case PPP_INTR_DISC: /* Data link disconnected 0x10 (bit 4)*/
+
+ NEX_PRINTK (KERN_INFO "Data link disconnected intr Cause %X\n",
+ flags->disc_cause);
+
+ if (flags->disc_cause &
+ (PPP_LOCAL_TERMINATION | PPP_DCD_CTS_DROP |
+ PPP_REMOTE_TERMINATION)) {
+ if (card->u.p.ip_mode == WANOPT_PPP_PEER) {
+ Read_connection_info = 1;
+ remove_route (card);
+ }
+ wanpipe_set_state(card, WAN_DISCONNECTED);
+ show_disc_cause(card, flags->disc_cause);
+ ppp_priv_area->timer_int_enabled |=
+ TMR_INT_ENABLED_PPP_EVENT;
+ flags->imask |= PPP_INTR_TIMER;
+ }
+ break;
+
+ case PPP_INTR_OPEN: /* Data link open 0x20 (bit 5)*/
+
+ NEX_PRINTK (KERN_INFO "%s: PPP Link Open, LCP=%s IP=%s\n",
+ card->devname,LCP(flags->lcp_state),
+ IP(flags->ip_state));
+
+ if (flags->lcp_state == 0x09 &&
+ (flags->ip_state == 0x09 || flags->ipx_state == 0x09)){
+ /* Initialize the polling timer and set the state
+ * to WAN_CONNNECTED
+ */
+ card->state_tick = jiffies;
+ wanpipe_set_state(card, WAN_CONNECTED);
+ ppp_priv_area->timer_int_enabled |=
+ TMR_INT_ENABLED_PPP_EVENT;
+ flags->imask |= PPP_INTR_TIMER;
+
+ }
+ break;
+
+ case PPP_INTR_DROP_DTR: /* DTR drop timeout expired 0x40 bit 6 */
+
+ NEX_PRINTK(KERN_INFO "DTR Drop Timeout Interrrupt \n");
+ if (card->u.p.ip_mode == WANOPT_PPP_PEER) {
+ Read_connection_info = 1;
+ remove_route (card);
+ }
+ wanpipe_set_state(card, WAN_DISCONNECTED);
+ show_disc_cause(card, flags->disc_cause);
+ ppp_priv_area->timer_int_enabled |=
+ TMR_INT_ENABLED_PPP_EVENT;
+ flags->imask |= PPP_INTR_TIMER;
+ break;
+
+ default:
+ printk(KERN_INFO "%s: Error, Invalid PPP Event\n",card->devname);
}
- dev->tbusy = 0;
- mark_bh(NET_BH);
}
+
+
+/* TIMER INTERRUPT */
+
+void timer_intr (sdla_t *card)
+{
+
+ struct net_device* dev = card->wandev.dev;
+ ppp_private_area_t* ppp_priv_area = dev->priv;
+ ppp_flags_t *flags = card->flags;
+
+ /* Update statistics */
+ if (ppp_priv_area->timer_int_enabled & TMR_INT_ENABLED_UPDATE){
+ ppp_get_err_stats(card);
+ if(!(--ppp_priv_area->update_comms_stats)){
+ ppp_priv_area->timer_int_enabled &=
+ ~TMR_INT_ENABLED_UPDATE;
+ }
+ }
+
+ /* PPIPEMON UDP request */
+
+ if (ppp_priv_area->timer_int_enabled & TMR_INT_ENABLED_UDP){
+ process_udp_mgmt_pkt(card,dev, ppp_priv_area);
+ ppp_priv_area->timer_int_enabled &= ~TMR_INT_ENABLED_UDP;
+ }
+
+
+ /* PPP Event */
+ if (ppp_priv_area->timer_int_enabled & TMR_INT_ENABLED_PPP_EVENT){
+
+ if (card->wandev.state == WAN_DISCONNECTED){
+ poll_disconnected(card);
+ }
+
+ /* If the state is CONNECTING, it means that communicatins were
+ * enabled. When the remote side enables its comminication we
+ * should get an interrupt PPP_INTR_OPEN, thus turn off polling
+ */
+
+ else if (card->wandev.state == WAN_CONNECTING){
+ /* Turn off the timer interrupt */
+ ppp_priv_area->timer_int_enabled &= ~TMR_INT_ENABLED_PPP_EVENT;
+ }
+
+ /* If state is connected and we are in PEER mode
+ * poll for an IP address which will be provided by remote end.
+ */
+ else if ((card->wandev.state == WAN_CONNECTED &&
+ card->u.p.ip_mode == WANOPT_PPP_PEER) &&
+ Read_connection_info){
+
+ card->state_tick = jiffies;
+ if (!read_connection_info (card)){
+ card->poll = &process_route;
+ }
+
+ }else{
+ /* If we are using Static IP,no need to poll for
+ * an IP address.
+ */
+ NEX_PRINTK(KERN_INFO "Turning off TIMER \n");
+ ppp_priv_area->timer_int_enabled &= ~TMR_INT_ENABLED_PPP_EVENT;
+ }
+
+ }/* End of PPP_EVENT */
+
+
+ /* Only disable the timer interrupt if there are no udp, statistic */
+ /* updates or events pending */
+ if(!ppp_priv_area->timer_int_enabled) {
+ flags->imask &= ~PPP_INTR_TIMER;
+ }
+}
+
+
static int handle_IPXWAN(unsigned char *sendpacket, char *devname, unsigned char enable_IPX, unsigned long network_number, unsigned short proto)
{
int i;
- if (proto == htons(ETH_P_IPX)) {
- /* It's an IPX packet */
- if (!enable_IPX) {
- /* Return 1 so we don't pass it up the stack. */
+
+ if( proto == htons(ETH_P_IPX) ) {
+ //It's an IPX packet
+ if(!enable_IPX) {
+ //Return 1 so we don't pass it up the stack.
return 1;
}
} else {
- /* It's not IPX so pass it up the stack. */
+ //It's not IPX so pass it up the stack.
return 0;
}
- if (sendpacket[16] == 0x90 &&
- sendpacket[17] == 0x04) {
- /* It's IPXWAN */
- if (sendpacket[2] == 0x02 &&
- sendpacket[34] == 0x00) {
- /* 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 = 41; sendpacket[i] == 0x00; i += 5) {
- /* 0x02 is the option for Unnumbered RIP/SAP */
- if (sendpacket[i + 4] != 0x02) {
+
+ if( sendpacket[16] == 0x90 &&
+ sendpacket[17] == 0x04)
+ {
+ //It's IPXWAN
+
+ if( sendpacket[2] == 0x02 &&
+ sendpacket[34] == 0x00)
+ {
+ //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 = 41; sendpacket[i] == 0x00; i += 5)
+ {
+ //0x02 is the option for Unnumbered RIP/SAP
+ if( sendpacket[i + 4] != 0x02)
+ {
sendpacket[i + 1] = 0;
}
}
- /* Skip over the extended Node ID option */
- if (sendpacket[i] == 0x04) {
+
+ //Skip over the extended Node ID option
+ if( sendpacket[i] == 0x04 )
+ {
i += 8;
}
- /* We also want to turn off all header compression opt. */
- 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 */
+
+ //Set the packet type to timer response
sendpacket[34] = 0x01;
- printk(KERN_INFO "%s: Sending IPXWAN Timer Response\n", devname);
- } else if (sendpacket[34] == 0x02) {
- /* This is an information request packet */
- printk(KERN_INFO "%s: Received IPXWAN Information Request packet\n", devname);
- /* Set the packet type to information response */
+
+ printk(KERN_INFO "%s: Sending IPXWAN Timer Response\n",devname);
+ }
+ else if( sendpacket[34] == 0x02 )
+ {
+ //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[34] = 0x03;
- /* Set the router name */
+
+ //Set the router name
sendpacket[51] = 'P';
sendpacket[52] = 'T';
sendpacket[53] = 'P';
@@ -1290,136 +1917,81 @@
sendpacket[56] = 'E';
sendpacket[57] = '-';
sendpacket[58] = CVHexToAscii(network_number >> 28);
- sendpacket[59] = CVHexToAscii((network_number & 0x0F000000) >> 24);
- sendpacket[60] = CVHexToAscii((network_number & 0x00F00000) >> 20);
- sendpacket[61] = CVHexToAscii((network_number & 0x000F0000) >> 16);
- sendpacket[62] = CVHexToAscii((network_number & 0x0000F000) >> 12);
- sendpacket[63] = CVHexToAscii((network_number & 0x00000F00) >> 8);
- sendpacket[64] = CVHexToAscii((network_number & 0x000000F0) >> 4);
+ sendpacket[59] = CVHexToAscii((network_number & 0x0F000000)>> 24);
+ sendpacket[60] = CVHexToAscii((network_number & 0x00F00000)>> 20);
+ sendpacket[61] = CVHexToAscii((network_number & 0x000F0000)>> 16);
+ sendpacket[62] = CVHexToAscii((network_number & 0x0000F000)>> 12);
+ sendpacket[63] = CVHexToAscii((network_number & 0x00000F00)>> 8);
+ sendpacket[64] = CVHexToAscii((network_number & 0x000000F0)>> 4);
sendpacket[65] = CVHexToAscii(network_number & 0x0000000F);
- for (i = 66; i < 99; i += 1)
+ for(i = 66; i < 99; i+= 1)
+ {
sendpacket[i] = 0;
- 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: Sending IPXWAN Information Response packet\n",devname);
+ }
+ else
+ {
+ printk(KERN_INFO "%s: Unknown IPXWAN packet!\n",devname);
return 0;
}
- /* Set the WNodeID to our network address */
- sendpacket[35] = (unsigned char) (network_number >> 24);
- sendpacket[36] = (unsigned char) ((network_number & 0x00FF0000) >> 16);
- sendpacket[37] = (unsigned char) ((network_number & 0x0000FF00) >> 8);
- sendpacket[38] = (unsigned char) (network_number & 0x000000FF);
+
+ //Set the WNodeID to our network address
+ sendpacket[35] = (unsigned char)(network_number >> 24);
+ sendpacket[36] = (unsigned char)((network_number & 0x00FF0000) >> 16);
+ sendpacket[37] = (unsigned char)((network_number & 0x0000FF00) >> 8);
+ sendpacket[38] = (unsigned char)(network_number & 0x000000FF);
+
return 1;
} else {
- /* If we get here's its an IPX-data packet, so it'll get passed up the stack. */
- /* switch the network numbers */
- switch_net_numbers(sendpacket, network_number, 1);
+ //If we get here's 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 ****************************************/
-/*============================================================================
- * Main polling routine.
- * This routine is repeatedly called by the WANPIPE 'thread' to allow for
- * time-dependent housekeeping work.
- *
- * Notes:
- * 1. This routine may be called on interrupt context with all interrupts
- * enabled. Beware!
+/* All polling functions are invoked by the TIMER interrupt in the wpp_isr
+ * routine.
*/
-static void wpp_poll(sdla_t * card)
+/*============================================================================
+ * Monitor active link phase.
+ */
+static void process_route (sdla_t *card)
{
+ ppp_flags_t *flags = card->flags;
struct net_device *dev = card->wandev.dev;
- ppp_flags_t *adptr_flags = card->flags;
- unsigned long host_cpu_flags;
- ++card->statistics.poll_entry;
- /* The wpp_poll is called continously by the WANPIPE thread to allow
- * for line state housekeeping. However if we are in a connected state
- * then we do not need to go through all the checks everytime. When in
- * connected state execute wpp_poll once every second.
- */
- if (card->wandev.state == WAN_CONNECTED) {
- if ((jiffies - card->state_tick) < HZ)
- return;
- }
- disable_irq(card->hw.irq);
- ++card->irq_dis_poll_count;
- if (test_and_set_bit(0, (void *) &card->wandev.critical)) {
- ++card->statistics.poll_already_critical;
- printk(KERN_INFO "%s: critical inside wpp_poll\n",
- card->devname);
- save_flags(host_cpu_flags);
- cli();
- if ((!card->irq_dis_if_send_count) &&
- (!(--card->irq_dis_poll_count)))
- enable_irq(card->hw.irq);
- restore_flags(host_cpu_flags);
- return;
- }
- ++card->statistics.poll_processed;
- if (dev && dev->tbusy && !(adptr_flags->imask & 0x02)) {
- ++card->statistics.poll_tbusy_bad_status;
- printk(KERN_INFO "%s: Wpp_Poll: tbusy = 0x01, imask = 0x%02X\n"
- ,card->devname, adptr_flags->imask);
- }
- switch (card->wandev.state) {
- case WAN_CONNECTED:
- card->state_tick = jiffies;
- poll_active(card);
- break;
- case WAN_CONNECTING:
- poll_connecting(card);
- break;
- case WAN_DISCONNECTED:
- poll_disconnected(card);
- break;
- default:
- printk(KERN_INFO "%s: Unknown Poll State 0x%02X\n",
- card->devname, card->wandev.state);
- break;
- }
- 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);
- restore_flags(host_cpu_flags);
-}
-
-/*============================================================================
- * Monitor active link phase.
- */
-
-static void poll_active(sdla_t * card)
-{
- ppp_flags_t *flags = card->flags;
- /* We check the lcp_state to see if we are in DISCONNECTED state.
- * We are considered to be connected for lcp states 0x06, 0x07, 0x08
- * and 0x09.
- */
- if ((flags->lcp_state <= 0x05) || (flags->disc_cause & 0x03)) {
- wanpipe_set_state(card, WAN_DISCONNECTED);
- show_disc_cause(card, flags->disc_cause);
+ struct in_device *in_dev = dev->ip_ptr;
+
+ if (in_dev != NULL ) {
+ if ((card->u.p.ip_mode == WANOPT_PPP_PEER) &&
+ (Read_connection_info && flags->ip_state == 0x09)){
+
+ printk(KERN_INFO "%s: IPCP State Opened.\n", card->devname);
+ if (read_info( card )) {
+ printk(KERN_INFO
+ "%s: An error occurred in IP assignment.\n",
+ card->devname);
+ } else {
+ struct in_ifaddr *ifa = in_dev->ifa_list;
+ printk(KERN_INFO "%s: Assigned Lcl. Addr: %s\n",
+ card->devname, in_ntoa(ifa->ifa_local));
+ printk(KERN_INFO "%s: Assigned Rmt. Addr: %s\n",
+ card->devname, in_ntoa(ifa->ifa_address));
+ }
+ Read_connection_info = 0;
+ }
+ }else{
+ printk(KERN_INFO "%s: Error: Null pointer in Poll Active\n",
+ card->devname);
}
-}
-
-/*============================================================================
- * Monitor link establishment phase.
- * o if connection timed out, disconnect the link.
- */
+ card->poll = NULL;
-static void poll_connecting(sdla_t * card)
-{
- ppp_flags_t *flags = card->flags;
- if (flags->lcp_state == 0x09) {
- wanpipe_set_state(card, WAN_CONNECTED);
- } else if (flags->disc_cause & 0x03) {
- wanpipe_set_state(card, WAN_DISCONNECTED);
- show_disc_cause(card, flags->disc_cause);
- }
}
/*============================================================================
@@ -1427,794 +1999,796 @@
* o if interface is up and the hold-down timeout has expired, then retry
* connection.
*/
-
-static void poll_disconnected(sdla_t * card)
+static void poll_disconnected(sdla_t *card)
{
struct net_device *dev = card->wandev.dev;
+
if (dev && dev->start &&
((jiffies - card->state_tick) > HOLD_DOWN_TIME)) {
+
wanpipe_set_state(card, WAN_CONNECTING);
- if (ppp_comm_enable(card) == CMD_OK)
- init_ppp_tx_rx_buff(card);
+
+ if(ppp_comm_enable(card) == CMD_OK){
+ init_ppp_tx_rx_buff( card );
+ }
+
}
}
/****** Miscellaneous Functions *********************************************/
/*============================================================================
- * Configure S502 adapter.
- */
-
-static int config502(sdla_t * card)
-{
- ppp502_conf_t cfg;
- /* Prepare PPP configuration structure */
- memset(&cfg, 0, sizeof(ppp502_conf_t));
- if (card->wandev.clocking)
- cfg.line_speed = bps_to_speed_code(card->wandev.bps);
- cfg.txbuf_num = 4;
- cfg.mtu_local = card->wandev.mtu;
- cfg.mtu_remote = card->wandev.mtu;
- cfg.restart_tmr = 30;
- cfg.auth_rsrt_tmr = 30;
- cfg.auth_wait_tmr = 300;
- cfg.mdm_fail_tmr = 5;
- cfg.dtr_drop_tmr = 1;
- cfg.connect_tmout = 0; /* changed it from 900 */
- cfg.conf_retry = 10;
- cfg.term_retry = 2;
- cfg.fail_retry = 5;
- cfg.auth_retry = 10;
- cfg.ip_options = 0x80;
- cfg.ipx_options = 0xA0;
- cfg.conf_flags |= 0x0E;
-/*
- cfg.ip_local = dev->pa_addr;
- cfg.ip_remote = dev->pa_dstaddr;
- */
- return ppp_configure(card, &cfg);
-}
-
-/*============================================================================
* Configure S508 adapter.
*/
-
-static int config508(sdla_t * card)
+static int config508(ppp_private_area_t *ppp_priv_area, sdla_t *card)
{
ppp508_conf_t cfg;
+ struct net_device *dev = card->wandev.dev;
+ struct in_device *in_dev = dev->ip_ptr;
+
/* Prepare PPP configuration structure */
memset(&cfg, 0, sizeof(ppp508_conf_t));
+
if (card->wandev.clocking)
cfg.line_speed = card->wandev.bps;
+
if (card->wandev.interface == WANOPT_RS232)
- cfg.conf_flags |= 0x0020;
- cfg.conf_flags |= 0x300; /*send Configure-Request packets forever */
- cfg.txbuf_percent = 60; /* % of Tx bufs */
- cfg.mtu_local = card->wandev.mtu;
- cfg.mtu_remote = card->wandev.mtu;
- cfg.restart_tmr = 30;
- cfg.auth_rsrt_tmr = 30;
- cfg.auth_wait_tmr = 300;
- cfg.mdm_fail_tmr = 100;
- cfg.dtr_drop_tmr = 1;
- cfg.connect_tmout = 0; /* changed it from 900 */
- cfg.conf_retry = 10;
- cfg.term_retry = 2;
- cfg.fail_retry = 5;
- cfg.auth_retry = 10;
- cfg.ip_options = 0x80;
- cfg.ipx_options = 0xA0;
-/*
- cfg.ip_local = dev->pa_addr;
- cfg.ip_remote = dev->pa_dstaddr;
- */
+ cfg.conf_flags |= INTERFACE_LEVEL_RS232;
+
+ cfg.conf_flags |= DONT_TERMINATE_LNK_MAX_CONFIG; /*send Configure-Request packets forever*/
+ cfg.txbuf_percent = PERCENT_TX_BUFF; /* % of Tx bufs */
+ cfg.mtu_local = card->wandev.mtu;
+ cfg.mtu_remote = card->wandev.mtu; /* Default */
+ cfg.restart_tmr = TIME_BETWEEN_CONF_REQ; /* 30 = 3sec */
+ cfg.auth_rsrt_tmr = TIME_BETWEEN_PAP_CHAP_REQ; /* 30 = 3sec */
+ cfg.auth_wait_tmr = WAIT_PAP_CHAP_WITHOUT_REPLY; /* 300 = 30s */
+ cfg.mdm_fail_tmr = WAIT_AFTER_DCD_CTS_LOW; /* 5 = 0.5s */
+ cfg.dtr_drop_tmr = TIME_DCD_CTS_LOW_AFTER_LNK_DOWN; /* 10 = 1s */
+ cfg.connect_tmout = WAIT_DCD_HIGH_AFTER_ENABLE_COMM; /* 900 = 90s */
+ cfg.conf_retry = MAX_CONF_REQ_WITHOUT_REPLY; /* 10 = 1s */
+ cfg.term_retry = MAX_TERM_REQ_WITHOUT_REPLY; /* 2 times */
+ cfg.fail_retry = NUM_CONF_NAK_WITHOUT_REPLY; /* 5 times */
+ cfg.auth_retry = NUM_AUTH_REQ_WITHOUT_REPLY; /* 10 times */
+
+
+ if( !card->u.p.authenticator ) {
+ printk(KERN_INFO "%s: Device is not configured as an authenticator\n",
+ card->devname);
+ cfg.auth_options = NO_AUTHENTICATION;
+ }else{
+ printk(KERN_INFO "%s: Device is configured as an authenticator\n",
+ card->devname);
+ cfg.auth_options = INBOUND_AUTH;
+ }
+ if( ppp_priv_area->pap == WANOPT_YES){
+ cfg.auth_options |=PAP_AUTH;
+ printk(KERN_INFO "%s: Pap enabled\n", card->devname);
+ }
+ if( ppp_priv_area->chap == WANOPT_YES){
+ cfg.auth_options |= CHAP_AUTH;
+ printk(KERN_INFO "%s: Chap enabled\n", card->devname);
+ }
+
+
+ if (ppp_priv_area->enable_IPX == WANOPT_YES){
+ cfg.ipx_options = ENABLE_IPX | ROUTING_PROT_DEFAULT;
+ }else{
+ cfg.ipx_options = DISABLE_IPX;
+ }
+
+ switch (card->u.p.ip_mode) {
+
+ case WANOPT_PPP_STATIC:
+
+ cfg.ip_options = L_AND_R_IP_NO_ASSIG |
+ ENABLE_IP;
+ cfg.ip_local = in_dev->ifa_list->ifa_local;
+ cfg.ip_remote = in_dev->ifa_list->ifa_address;
+ NEX_PRINTK(KERN_INFO "Local %s Remote %s Name %s\n",
+ in_ntoa(cfg.ip_local),
+ in_ntoa(cfg.ip_remote),
+ dev->name);
+ break;
+
+ case WANOPT_PPP_PEER:
+ cfg.ip_options = L_IP_REMOTE_ASSIG |
+ R_IP_REMOTE_ASSIG |
+ ENABLE_IP;
+ cfg.ip_local = 0x00;
+ cfg.ip_remote = 0x00;
+ break;
+
+ }
return ppp_configure(card, &cfg);
}
/*============================================================================
* Show disconnection cause.
*/
-
-static void show_disc_cause(sdla_t * card, unsigned cause)
+static void show_disc_cause(sdla_t *card, unsigned cause)
{
- if (cause & 0x0002)
- printk(KERN_INFO "%s: link terminated by peer\n",
- card->devname);
- else if (cause & 0x0004)
- printk(KERN_INFO "%s: link terminated by user\n",
- card->devname);
- else if (cause & 0x0008)
+ if (cause & 0x0802)
+
+ printk(KERN_INFO "%s: link terminated by peer\n",
+ card->devname);
+
+ else if (cause & 0x0004)
+
+ printk(KERN_INFO "%s: link terminated by user\n",
+ card->devname);
+
+ else if (cause & 0x0008)
+
printk(KERN_INFO "%s: authentication failed\n", card->devname);
- else if (cause & 0x0010)
- printk(KERN_INFO
- "%s: authentication protocol negotiation failed\n",
- card->devname);
- else if (cause & 0x0020)
- printk(KERN_INFO
- "%s: peer's request for authentication rejected\n",
- card->devname);
- else if (cause & 0x0040)
- printk(KERN_INFO "%s: MRU option rejected by peer\n",
- card->devname);
- else if (cause & 0x0080)
- printk(KERN_INFO "%s: peer's MRU was too small\n",
- card->devname);
- else if (cause & 0x0100)
- printk(KERN_INFO "%s: failed to negotiate peer's LCP options\n",
- card->devname);
- else if (cause & 0x0200)
- printk(KERN_INFO "%s: failed to negotiate peer's IPCP options\n"
- ,card->devname);
- else if (cause & 0x0400)
+
+ else if (cause & 0x0010)
+
+ printk(KERN_INFO
+ "%s: authentication protocol negotiation failed\n",
+ card->devname);
+
+ else if (cause & 0x0020)
+
printk(KERN_INFO
- "%s: failed to negotiate peer's IPXCP options\n",
- card->devname);
-}
+ "%s: peer's request for authentication rejected\n",
+ card->devname);
-/*============================================================================
- * Convert line speed in bps to a number used by S502 code.
- */
+ else if (cause & 0x0040)
+
+ printk(KERN_INFO "%s: MRU option rejected by peer\n",
+ card->devname);
-static unsigned char bps_to_speed_code(unsigned long bps)
-{
- unsigned char number;
- if (bps <= 1200)
- number = 0x01;
- else if (bps <= 2400)
- number = 0x02;
- else if (bps <= 4800)
- number = 0x03;
- else if (bps <= 9600)
- number = 0x04;
- else if (bps <= 19200)
- number = 0x05;
- else if (bps <= 38400)
- number = 0x06;
- else if (bps <= 45000)
- number = 0x07;
- else if (bps <= 56000)
- number = 0x08;
- else if (bps <= 64000)
- number = 0x09;
- else if (bps <= 74000)
- number = 0x0A;
- else if (bps <= 112000)
- number = 0x0B;
- else if (bps <= 128000)
- number = 0x0C;
- else
- number = 0x0D;
- return number;
-}
+ else if (cause & 0x0080)
+
+ printk(KERN_INFO "%s: peer's MRU was too small\n",
+ card->devname);
-/*============================================================================
- * Process UDP call of type DRVSTATS.
- */
+ else if (cause & 0x0100)
-static int process_udp_driver_call(char udp_pkt_src, sdla_t * card, struct sk_buff *skb, struct net_device *dev, ppp_private_area_t * ppp_priv_area)
-{
- unsigned char *sendpacket;
- unsigned char buf2[5];
- unsigned char *data;
- unsigned char *buf;
- unsigned int len;
- ppp_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]);
- ++ppp_priv_area->UDP_DRVSTATS_mgmt_kmalloc_err;
- return 1;
- }
- memcpy(data, sendpacket, skb->len);
- switch (data[45]) {
- /* PPIPE_DRIVER_STATISTICS */
- case 0x26:
- *(unsigned long *) &data[60] =
- ppp_priv_area->if_send_entry;
- *(unsigned long *) &data[64] =
- ppp_priv_area->if_send_skb_null;
- *(unsigned long *) &data[68] =
- ppp_priv_area->if_send_broadcast;
- *(unsigned long *) &data[72] =
- ppp_priv_area->if_send_multicast;
- *(unsigned long *) &data[76] =
- ppp_priv_area->if_send_critical_ISR;
- *(unsigned long *) &data[80] =
- ppp_priv_area->if_send_critical_non_ISR;
- *(unsigned long *) &data[84] =
- ppp_priv_area->if_send_busy;
- *(unsigned long *) &data[88] =
- ppp_priv_area->if_send_busy_timeout;
- *(unsigned long *) &data[92] =
- ppp_priv_area->if_send_DRVSTATS_request;
- *(unsigned long *) &data[96] =
- ppp_priv_area->if_send_PTPIPE_request;
- *(unsigned long *) &data[100] =
- ppp_priv_area->if_send_wan_disconnected;
- *(unsigned long *) &data[104] =
- ppp_priv_area->if_send_adptr_bfrs_full;
- *(unsigned long *) &data[108] =
- ppp_priv_area->if_send_protocol_error;
- *(unsigned long *) &data[112] =
- ppp_priv_area->if_send_tx_int_enabled;
- *(unsigned long *) &data[116] =
- ppp_priv_area->if_send_bfr_passed_to_adptr;
- *(unsigned long *) &data[118] =
- card->irq_dis_if_send_count;
- mbox->cmd.length = 62;
- break;
- case 0x27:
- *(unsigned long *) &data[60] = card->statistics.isr_entry;
- *(unsigned long *) &data[64] =
- card->statistics.isr_already_critical;
- *(unsigned long *) &data[68] = card->statistics.isr_rx;
- *(unsigned long *) &data[72] = card->statistics.isr_tx;
- *(unsigned long *) &data[76] =
- card->statistics.isr_intr_test;
- *(unsigned long *) &data[80] =
- card->statistics.isr_spurious;
- *(unsigned long *) &data[84] =
- card->statistics.isr_enable_tx_int;
- *(unsigned long *) &data[88] =
- card->statistics.rx_intr_corrupt_rx_bfr;
- *(unsigned long *) &data[92] =
- ppp_priv_area->rx_intr_no_socket;
- *(unsigned long *) &data[96] =
- ppp_priv_area->rx_intr_DRVSTATS_request;
- *(unsigned long *) &data[100] =
- ppp_priv_area->rx_intr_PTPIPE_request;
- *(unsigned long *) &data[104] =
- ppp_priv_area->rx_intr_bfr_passed_to_stack;
- *(unsigned long *) &data[108] =
- card->statistics.rx_intr_dev_not_started;
- *(unsigned long *) &data[112] =
- card->statistics.tx_intr_dev_not_started;
- mbox->cmd.length = 56;
- break;
- case 0x28:
- *(unsigned long *) &data[60] =
- ppp_priv_area->UDP_PTPIPE_mgmt_kmalloc_err;
- *(unsigned long *) &data[64] =
- ppp_priv_area->UDP_PTPIPE_mgmt_adptr_type_err;
- *(unsigned long *) &data[68] =
- ppp_priv_area->UDP_PTPIPE_mgmt_direction_err;
- *(unsigned long *) &data[72] =
- ppp_priv_area->
- UDP_PTPIPE_mgmt_adptr_cmnd_timeout;
- *(unsigned long *) &data[76] =
- ppp_priv_area->UDP_PTPIPE_mgmt_adptr_cmnd_OK;
- *(unsigned long *) &data[80] =
- ppp_priv_area->UDP_PTPIPE_mgmt_passed_to_adptr;
- *(unsigned long *) &data[84] =
- ppp_priv_area->UDP_PTPIPE_mgmt_passed_to_stack;
- *(unsigned long *) &data[88] =
- ppp_priv_area->UDP_PTPIPE_mgmt_no_socket;
- *(unsigned long *) &data[92] =
- ppp_priv_area->UDP_DRVSTATS_mgmt_kmalloc_err;
- *(unsigned long *) &data[96] =
- ppp_priv_area->
- UDP_DRVSTATS_mgmt_adptr_cmnd_timeout;
- *(unsigned long *) &data[100] =
- ppp_priv_area->UDP_DRVSTATS_mgmt_adptr_cmnd_OK;
- *(unsigned long *) &data[104] =
- ppp_priv_area->
- UDP_DRVSTATS_mgmt_passed_to_adptr;
- *(unsigned long *) &data[108] =
- ppp_priv_area->
- UDP_DRVSTATS_mgmt_passed_to_stack;
- *(unsigned long *) &data[112] =
- ppp_priv_area->UDP_DRVSTATS_mgmt_no_socket;
- *(unsigned long *) &data[116] =
- card->statistics.poll_entry;
- *(unsigned long *) &data[120] =
- card->statistics.poll_already_critical;
- *(unsigned long *) &data[124] =
- card->statistics.poll_processed;
- *(unsigned long *) &data[126] =
- card->irq_dis_poll_count;
- mbox->cmd.length = 70;
- break;
- default:
- /* it's a board command */
- memcpy(&mbox->cmd, &sendpacket[45], sizeof(ppp_cmd_t));
- if (mbox->cmd.length) {
- memcpy(&mbox->data, &sendpacket[60],
- mbox->cmd.length);
- }
- /* run the command on the board */
- err = sdla_exec(mbox) ? mbox->cmd.result : CMD_TIMEOUT;
- if (err != CMD_OK) {
- ppp_error(card, err, mbox);
- ++ppp_priv_area->
- UDP_DRVSTATS_mgmt_adptr_cmnd_timeout;
- break;
- }
- ++ppp_priv_area->UDP_DRVSTATS_mgmt_adptr_cmnd_OK;
- /* copy the result back to our buffer */
- memcpy(data, sendpacket, skb->len);
- memcpy(&data[45], &mbox->cmd, sizeof(ppp_cmd_t));
- if (mbox->cmd.length) {
- memcpy(&data[60], &mbox->data, mbox->cmd.length);
- }
- }
- /* Fill UDP TTL */
- data[8] = card->wandev.ttl;
- len = reply_udp(data, mbox->cmd.length);
- if (udp_pkt_src == UDP_PKT_FRM_NETWORK) {
- ++ppp_priv_area->UDP_DRVSTATS_mgmt_passed_to_adptr;
- ppp_send(card, data, len, skb->protocol);
- } else {
- /* Pass it up the stack
- 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);
- ++ppp_priv_area->UDP_DRVSTATS_mgmt_passed_to_stack;
- /* Decapsulate packet and pass it up the protocol
- stack */
- new_skb->protocol = htons(ETH_P_IP);
- new_skb->dev = dev;
- new_skb->mac.raw = new_skb->data;
- netif_rx(new_skb);
- } else {
- ++ppp_priv_area->UDP_DRVSTATS_mgmt_no_socket;
- printk(KERN_INFO "no socket buffers available!\n");
- }
- }
- kfree(data);
- return 0;
+ printk(KERN_INFO "%s: failed to negotiate peer's LCP options\n",
+ card->devname);
+
+ else if (cause & 0x0200)
+
+ printk(KERN_INFO "%s: failed to negotiate peer's IPCP options\n"
+ , card->devname);
+
+ else if (cause & 0x0400)
+
+ printk(KERN_INFO
+ "%s: failed to negotiate peer's IPXCP options\n",
+ card->devname);
}
/*=============================================================================
* Process UDP call of type PTPIPEAB.
*/
-
-static int process_udp_mgmt_pkt(char udp_pkt_src, sdla_t * card,
- struct sk_buff *skb, struct net_device *dev,
- ppp_private_area_t * ppp_priv_area)
+static void process_udp_mgmt_pkt(sdla_t *card, struct net_device *dev,
+ ppp_private_area_t *ppp_priv_area )
{
- unsigned char *sendpacket;
unsigned char buf2[5];
- unsigned char *data;
unsigned char *buf;
unsigned int frames, len;
struct sk_buff *new_skb;
- unsigned short buffer_length, real_len;
+ unsigned short data_length, buffer_length, real_len;
unsigned long data_ptr;
int udp_mgmt_req_valid = 1;
ppp_mbox_t *mbox = card->mbox;
struct timeval tv;
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 management cmnd0x%02X"
- ,card->devname, data[45]);
- ++ppp_priv_area->UDP_PTPIPE_mgmt_kmalloc_err;
- return 1;
- }
- memcpy(data, sendpacket, skb->len);
- switch (data[45]) {
+ ppp_udp_pkt_t *ppp_udp_pkt = (ppp_udp_pkt_t*)&ppp_priv_area->udp_pkt_data;
+
+ memcpy(&buf2, &card->wandev.udp_port, 2 );
+
+
+ switch(ppp_udp_pkt->cblock.command) {
+
/* FT1 MONITOR STATUS */
- case 0x80:
- if (card->hw.fwid != SFID_PPP508) {
- ++ppp_priv_area->UDP_PTPIPE_mgmt_adptr_type_err;
- udp_mgmt_req_valid = 0;
- break;
- }
+ case FT1_MONITOR_STATUS_CTRL:
+
/* PPIPE_ENABLE_TRACING */
- case 0x20:
+ case PPIPE_ENABLE_TRACING:
+
/* PPIPE_DISABLE_TRACING */
- case 0x21:
+ case PPIPE_DISABLE_TRACING:
+
/* PPIPE_GET_TRACE_INFO */
- case 0x22:
+ case PPIPE_GET_TRACE_INFO:
+
/* SET FT1 MODE */
- case 0x81:
- if (udp_pkt_src == UDP_PKT_FRM_NETWORK) {
- ++ppp_priv_area->UDP_PTPIPE_mgmt_direction_err;
- udp_mgmt_req_valid = 0;
- }
- break;
- default:
- break;
- }
- if (!udp_mgmt_req_valid) {
+ case SET_FT1_MODE:
+ if(ppp_priv_area->udp_pkt_src == UDP_PKT_FRM_NETWORK) {
+
+ ++ppp_priv_area->pipe_mgmt_stat.
+ UDP_PIPE_mgmt_direction_err;
+ udp_mgmt_req_valid = 0;
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ if(!udp_mgmt_req_valid) {
+
/* set length to 0 */
- data[46] = data[47] = 0;
- /* set return code */
- data[48] = 0xCD;
- } else {
- switch (data[45]) {
- /* PPIPE_ENABLE_TRACING */
- case 0x20:
- if (!TracingEnabled) {
+ ppp_udp_pkt->cblock.length = 0x00;
+
+ /* set return code */
+ ppp_udp_pkt->cblock.result = 0xCD;
+
+ } else {
+ /* Initialize the trace element */
+ trace_element_t trace_element;
+
+ switch (ppp_udp_pkt->cblock.command){
+
+ /* PPIPE_ENABLE_TRACING */
+ case PPIPE_ENABLE_TRACING:
+ if (!card->TracingEnabled) {
+
/* OPERATE_DATALINE_MONITOR */
- mbox->cmd.command = 0x33;
- mbox->cmd.length = 1;
- mbox->data[0] = 0x03;
- err = sdla_exec(mbox) ?
- mbox->cmd.result : CMD_TIMEOUT;
- if (err != CMD_OK) {
+ mbox->cmd.command = PPP_DATALINE_MONITOR;
+ mbox->cmd.length = 0x01;
+ mbox->data[0] = ppp_udp_pkt->data[0];
+ err = sdla_exec(mbox) ?
+ mbox->cmd.result : CMD_TIMEOUT;
+
+ if (err != CMD_OK) {
+
ppp_error(card, err, mbox);
- TracingEnabled = 0;
+ card->TracingEnabled = 0;
+
/* set the return code */
- data[48] = mbox->cmd.result;
- mbox->cmd.length = 0;
- break;
- }
- if (card->hw.fwid == SFID_PPP502) {
- sdla_peek(&card->hw, 0x9000, &buf2, 2);
- } else {
- sdla_peek(&card->hw, 0xC000, &buf2, 2);
- }
- curr_trace_addr = 0;
- memcpy(&curr_trace_addr, &buf2, 2);
- start_trace_addr = curr_trace_addr;
- /* MAX_SEND_BUFFER_SIZE -sizeof(UDP_MGMT_PACKET)
- - 41 */
- available_buffer_space = 1926;
- }
- data[48] = 0;
- mbox->cmd.length = 0;
- TracingEnabled = 1;
- break;
- /* PPIPE_DISABLE_TRACING */
- case 0x21:
- if (TracingEnabled) {
+
+ ppp_udp_pkt->cblock.result = mbox->cmd.result;
+ mbox->cmd.length = 0;
+ break;
+ }
+
+ sdla_peek(&card->hw, 0xC000, &buf2, 2);
+
+ ppp_priv_area->curr_trace_addr = 0;
+ memcpy(&ppp_priv_area->curr_trace_addr, &buf2, 2);
+ ppp_priv_area->start_trace_addr =
+ ppp_priv_area->curr_trace_addr;
+ ppp_priv_area->end_trace_addr =
+ ppp_priv_area->start_trace_addr + END_OFFSET;
+
+ /* MAX_SEND_BUFFER_SIZE - 28 (IP header)
+ - 32 (ppipemon CBLOCK) */
+ available_buffer_space = MAX_LGTH_UDP_MGNT_PKT -
+ sizeof(ip_pkt_t)-
+ sizeof(udp_pkt_t)-
+ sizeof(wp_mgmt_t)-
+ sizeof(cblock_t);
+ }
+ ppp_udp_pkt->cblock.result = 0;
+ mbox->cmd.length = 0;
+ card->TracingEnabled = 1;
+ break;
+
+ /* PPIPE_DISABLE_TRACING */
+ case PPIPE_DISABLE_TRACING:
+
+ if(card->TracingEnabled) {
+
/* OPERATE_DATALINE_MONITOR */
- mbox->cmd.command = 0x3;
- mbox->cmd.length = 1;
- mbox->data[0] = 0x00;
- err = sdla_exec(mbox) ?
- mbox->cmd.result : CMD_TIMEOUT;
- }
- /*set return code */
- data[48] = 0;
+ mbox->cmd.command = 0x33;
+ mbox->cmd.length = 1;
+ mbox->data[0] = 0x00;
+ err = sdla_exec(mbox) ?
+ mbox->cmd.result : CMD_TIMEOUT;
+
+ }
+
+ /*set return code*/
+ ppp_udp_pkt->cblock.result = 0;
mbox->cmd.length = 0;
- TracingEnabled = 0;
+ card->TracingEnabled = 0;
break;
- /* PPIPE_GET_TRACE_INFO */
- case 0x22:
- if (TracingEnabled) {
- buffer_length = 0;
- /* frames < NUM_TRACE_FRAMES */
- for (frames = 0; frames < 62; 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[60] |= 0x02;
+
+ /* PPIPE_GET_TRACE_INFO */
+ case PPIPE_GET_TRACE_INFO:
+
+ if(!card->TracingEnabled) {
+ /* set return code */
+ ppp_udp_pkt->cblock.result = 1;
+ mbox->cmd.length = 0;
+ }
+
+ buffer_length = 0;
+
+ /* frames < 62, where 62 is the number of trace
+ information elements. There is in total 496
+ bytes of space and each trace information
+ element is 8 bytes.
+ */
+ for ( frames=0; frames<62; frames++) {
+
+ trace_pkt_t *trace_pkt = (trace_pkt_t *)
+ &ppp_udp_pkt->data[buffer_length];
+
+ /* Read the whole trace packet */
+ sdla_peek(&card->hw, ppp_priv_area->curr_trace_addr,
+ &trace_element, sizeof(trace_element_t));
+
+ /* no data on board so exit */
+ if( trace_element.opp_flag == 0x00 )
+ break;
+
+ data_ptr = trace_element.trace_data_ptr;
+
+ /* See if there is actual data on the trace buffer */
+ if (data_ptr){
+ data_length = trace_element.trace_length;
+ }else{
+ data_length = 0;
+ ppp_udp_pkt->data[0] |= 0x02;
+ }
+
+ //FIXME: Do we need this check
+ if ((available_buffer_space - buffer_length)
+ < (sizeof(trace_element_t)+1)){
+
+ /*indicate we have more frames
+ * on board and exit
+ */
+ ppp_udp_pkt->data[0] |= 0x02;
+ break;
+ }
+
+ trace_pkt->status = trace_element.trace_type;
+ trace_pkt->time_stamp = trace_element.trace_time_stamp;
+ trace_pkt->real_length = trace_element.trace_length;
+
+ real_len = trace_element.trace_length;
+
+ if(data_ptr == 0){
+ trace_pkt->data_avail = 0x00;
+ }else{
+ /* we can take it next time */
+ if ((available_buffer_space - buffer_length)<
+ (real_len + sizeof(trace_pkt_t))){
+
+ ppp_udp_pkt->data[0] |= 0x02;
break;
- }
- /* get frame status */
- sdla_peek(&card->hw, curr_trace_addr +
- 0x01, &data[60 + buffer_length], 1);
- /* get time stamp */
- sdla_peek(&card->hw, curr_trace_addr +
- 0x06, &data[64 + buffer_length], 2);
- /* get frame length */
- sdla_peek(&card->hw, curr_trace_addr +
- 0x02, &data[62 + buffer_length], 2);
- /* get pointer to real data */
- sdla_peek(&card->hw, curr_trace_addr +
- 0x04, &buf2, 2);
- data_ptr = 0;
- memcpy(&data_ptr, &buf2, 2);
- /* see if we can fit the frame into the
- user buffer */
- memcpy(&real_len,
- &data[62 + buffer_length], 2);
- if ((data_ptr == 0) ||
- ((real_len + 8) >
- available_buffer_space)) {
- data[61 + buffer_length] = 0x00;
- } else {
- /* we can take it next time */
- if ((available_buffer_space -
- buffer_length) <
- (real_len + 8)) {
- data[60] |= 0x02;
- break;
- }
- /* ok, get the frame */
- data[61 + buffer_length] = 0x01;
- /* get the data */
- sdla_peek(&card->hw, data_ptr,
- &data[66 + 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 += 8;
- /* check if we passed the last
- address */
- if (curr_trace_addr >=
- start_trace_addr + 0x1F0) {
- curr_trace_addr =
- start_trace_addr;
- }
- /* update buffer length and make sure its even */
- if (data[61 + buffer_length]
- == 0x01) {
- buffer_length +=
- real_len - 1;
- }
- /* for the header */
- buffer_length += 8;
- if (buffer_length & 0x0001)
- buffer_length += 1;
- }
+ }
+ trace_pkt->data_avail = 0x01;
+
+ /* get the data */
+ sdla_peek(&card->hw, data_ptr,
+ &trace_pkt->data,
+ real_len);
+ }
+ /* zero the opp flag to
+ show we got the frame */
+ buf2[0] = 0x00;
+ sdla_poke(&card->hw, ppp_priv_area->curr_trace_addr,
+ &buf2, 1);
+
+ /* now move onto the next
+ frame */
+ ppp_priv_area->curr_trace_addr += 8;
+
+ /* check if we passed the last address */
+ if ( ppp_priv_area->curr_trace_addr >=
+ ppp_priv_area->end_trace_addr){
+
+ ppp_priv_area->curr_trace_addr =
+ ppp_priv_area->start_trace_addr;
}
- /* ok now set the total number of frames passed
- in the high 5 bits */
- data[60] = (frames << 2) | data[60];
- /* set the data length */
- mbox->cmd.length = buffer_length;
- memcpy(&data[46], &buffer_length, 2);
- /* set return code */
- data[48] = 0;
- } else {
- /* set return code */
- data[48] = 1;
- mbox->cmd.length = 0;
+
+ /* update buffer length and make sure its even */
+
+ if ( trace_pkt->data_avail == 0x01 ) {
+ buffer_length += real_len - 1;
+ }
+
+ /* for the header */
+ buffer_length += 8;
+
+ if( buffer_length & 0x0001 )
+ buffer_length += 1;
}
- break;
- /* PPIPE_GET_IBA_DATA */
- case 0x23:
+
+ /* ok now set the total number of frames passed
+ in the high 5 bits */
+ ppp_udp_pkt->data[0] |= (frames << 2);
+
+ /* set the data length */
+ mbox->cmd.length = buffer_length;
+ ppp_udp_pkt->cblock.length = buffer_length;
+
+ /* set return code */
+ ppp_udp_pkt->cblock.result = 0;
+ break;
+
+ /* PPIPE_GET_IBA_DATA */
+ case PPIPE_GET_IBA_DATA:
+
mbox->cmd.length = 0x09;
- if (card->hw.fwid == SFID_PPP502) {
- sdla_peek(&card->hw, 0xA003, &data[60],
- mbox->cmd.length);
- } else {
- sdla_peek(&card->hw, 0xF003, &data[60],
- mbox->cmd.length);
- }
+
+ sdla_peek(&card->hw, 0xF003, &ppp_udp_pkt->data,
+ mbox->cmd.length);
+
/* set the length of the data */
- data[46] = 0x09;
+ ppp_udp_pkt->cblock.length = 0x09;
+
/* set return code */
- data[48] = 0x00;
+ ppp_udp_pkt->cblock.result = 0x00;
+
break;
- /* PPIPE_KILL_BOARD */
- case 0x24:
+
+ /* PPIPE_KILL_BOARD */
+ case PPIPE_KILL_BOARD:
break;
- /* PPIPE_FT1_READ_STATUS */
- case 0x25:
- sdla_peek(&card->hw, 0xF020, &data[60], 2);
- data[46] = 2;
- data[47] = 0;
- data[48] = 0;
+
+ /* PPIPE_FT1_READ_STATUS */
+ case PPIPE_FT1_READ_STATUS:
+ sdla_peek(&card->hw, 0xF020, &ppp_udp_pkt->data, 2);
+ ppp_udp_pkt->cblock.length = 2;
+ ppp_udp_pkt->cblock.result = 0;
mbox->cmd.length = 2;
break;
- case 0x29:
- init_ppp_priv_struct(ppp_priv_area);
- init_global_statistics(card);
+
+ case PPIPE_FLUSH_DRIVER_STATS:
+ init_ppp_priv_struct( ppp_priv_area );
+ init_global_statistics( card );
mbox->cmd.length = 0;
break;
- case 0x30:
- do_gettimeofday(&tv);
- ppp_priv_area->router_up_time = tv.tv_sec -
- ppp_priv_area->router_start_time;
- *(unsigned long *) &data[60] =
- ppp_priv_area->router_up_time;
+
+ case PPIPE_ROUTER_UP_TIME:
+
+ do_gettimeofday( &tv );
+ ppp_priv_area->router_up_time = tv.tv_sec -
+ ppp_priv_area->router_start_time;
+ *(unsigned long *)&ppp_udp_pkt->data = ppp_priv_area->router_up_time;
mbox->cmd.length = 4;
break;
- /* FT1 MONITOR STATUS */
- case 0x80:
+
+ /* FT1 MONITOR STATUS */
+ case FT1_MONITOR_STATUS_CTRL:
+
/* Enable FT1 MONITOR STATUS */
- if (data[60] == 1) {
- if (rCount++ != 0) {
- data[48] = 0;
- mbox->cmd.length = 1;
- break;
- }
- }
- /* Disable FT1 MONITOR STATUS */
- if (data[60] == 0) {
- if (--rCount != 0) {
- data[48] = 0;
- mbox->cmd.length = 1;
- break;
- }
- }
+ if( ppp_udp_pkt->data[0] == 1) {
+
+ if( rCount++ != 0 ) {
+ ppp_udp_pkt->cblock.result = 0;
+ mbox->cmd.length = 1;
+ break;
+ }
+ }
+
+ /* Disable FT1 MONITOR STATUS */
+ if( ppp_udp_pkt->data[0] == 0) {
+
+ if( --rCount != 0) {
+ ppp_udp_pkt->cblock.result = 0;
+ mbox->cmd.length = 1;
+ break;
+ }
+ }
+
+ /* PPIPE_DRIVER_STATISTICS */
+ case PPIPE_DRIVER_STAT_IFSEND:
+ printk(KERN_INFO "Getting IF_SEND Drivers Statistics\n");
+ memcpy(&ppp_udp_pkt->data, &ppp_priv_area->if_send_stat,
+ sizeof(if_send_stat_t));
+
+
+ ppp_udp_pkt->cblock.result = 0;
+ ppp_udp_pkt->cblock.length = sizeof(if_send_stat_t);
+ mbox->cmd.length = sizeof(if_send_stat_t);
+ break;
+
+ case PPIPE_DRIVER_STAT_INTR:
+ memcpy(&ppp_udp_pkt->data, &card->statistics,
+ sizeof(global_stats_t));
+
+ memcpy(&ppp_udp_pkt->data+sizeof(global_stats_t),
+ &ppp_priv_area->rx_intr_stat,
+ sizeof(rx_intr_stat_t));
+
+ ppp_udp_pkt->cblock.result = 0;
+ ppp_udp_pkt->cblock.length = sizeof(global_stats_t)+
+ sizeof(rx_intr_stat_t);
+ mbox->cmd.length = ppp_udp_pkt->cblock.length;
+ break;
+
+ case PPIPE_DRIVER_STAT_GEN:
+ memcpy( &ppp_udp_pkt->data,
+ &ppp_priv_area->pipe_mgmt_stat,
+ sizeof(pipe_mgmt_stat_t));
+
+ memcpy(&ppp_udp_pkt->data+sizeof(pipe_mgmt_stat_t),
+ &card->statistics, sizeof(global_stats_t));
+
+ ppp_udp_pkt->cblock.result = 0;
+ ppp_udp_pkt->cblock.length = sizeof(global_stats_t)+
+ sizeof(rx_intr_stat_t);
+ mbox->cmd.length = ppp_udp_pkt->cblock.length;
+ break;
+
+
default:
+
/* it's a board command */
- memcpy(&mbox->cmd, &sendpacket[45], sizeof(ppp_cmd_t));
- if (mbox->cmd.length) {
- memcpy(&mbox->data, &sendpacket[60],
+ mbox->cmd.command = ppp_udp_pkt->cblock.command;
+ mbox->cmd.length = ppp_udp_pkt->cblock.length;
+
+ if(mbox->cmd.length) {
+ memcpy(&mbox->data,(unsigned char *)ppp_udp_pkt->data,
mbox->cmd.length);
- }
+ }
+
/* run the command on the board */
err = sdla_exec(mbox) ? mbox->cmd.result : CMD_TIMEOUT;
+
if (err != CMD_OK) {
- ppp_error(card, err, mbox);
- ++ppp_priv_area->
- UDP_PTPIPE_mgmt_adptr_cmnd_timeout;
+
+ ppp_error(card, err, mbox);
+ ++ppp_priv_area->pipe_mgmt_stat.
+ UDP_PIPE_mgmt_adptr_cmnd_timeout;
break;
}
- ++ppp_priv_area->UDP_PTPIPE_mgmt_adptr_cmnd_OK;
+
+ ++ppp_priv_area->pipe_mgmt_stat.UDP_PIPE_mgmt_adptr_cmnd_OK;
+
/* copy the result back to our buffer */
- memcpy(data, sendpacket, skb->len);
- memcpy(&data[45], &mbox->cmd, sizeof(ppp_cmd_t));
- if (mbox->cmd.length) {
- memcpy(&data[60], &mbox->data, mbox->cmd.length);
- }
- } /* end of switch */
- } /* end of else */
- /* Fill UDP TTL */
- data[8] = card->wandev.ttl;
- len = reply_udp(data, mbox->cmd.length);
- if (udp_pkt_src == UDP_PKT_FRM_NETWORK) {
- ++ppp_priv_area->UDP_PTPIPE_mgmt_passed_to_adptr;
- ppp_send(card, data, len, skb->protocol);
- } else {
+ memcpy(&ppp_udp_pkt->cblock,mbox, sizeof(cblock_t));
+
+ if(mbox->cmd.length) {
+ memcpy(&ppp_udp_pkt->data,&mbox->data,mbox->cmd.length);
+ }
+
+ } /* end of switch */
+ } /* end of else */
+
+ /* Fill UDP TTL */
+ ppp_udp_pkt->ip_pkt.ttl = card->wandev.ttl;
+ len = reply_udp(ppp_priv_area->udp_pkt_data, mbox->cmd.length);
+
+ if (ppp_priv_area->udp_pkt_src == UDP_PKT_FRM_NETWORK) {
+
+ ++ppp_priv_area->pipe_mgmt_stat.UDP_PIPE_mgmt_passed_to_adptr;
+ ppp_send(card,ppp_priv_area->udp_pkt_data,len,ppp_priv_area->protocol);
+
+ } else {
+
/* Pass it up the stack
- Allocate socket buffer */
+ 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);
- ++ppp_priv_area->UDP_PTPIPE_mgmt_passed_to_stack;
- /* Decapsulate packet and pass it up the protocol
+
+ buf = skb_put(new_skb, len);
+ memcpy(buf,ppp_priv_area->udp_pkt_data, len);
+
+ ++ppp_priv_area->pipe_mgmt_stat.UDP_PIPE_mgmt_passed_to_stack;
+
+ /* Decapsulate packet and pass it up the protocol
stack */
- new_skb->protocol = htons(ETH_P_IP);
- new_skb->dev = dev;
- new_skb->mac.raw = new_skb->data;
+ new_skb->protocol = htons(ETH_P_IP);
+ new_skb->dev = dev;
+ new_skb->mac.raw = new_skb->data;
netif_rx(new_skb);
+
} else {
- ++ppp_priv_area->UDP_PTPIPE_mgmt_no_socket;
+
+ ++ppp_priv_area->pipe_mgmt_stat.UDP_PIPE_mgmt_no_socket;
printk(KERN_INFO "no socket buffers available!\n");
- }
- }
- kfree(data);
- return 0;
+ }
+ }
+
+ ppp_priv_area->udp_pkt_lgth = 0;
+
+ return;
}
/*=============================================================================
* Initial the ppp_private_area structure.
*/
-
-static void init_ppp_priv_struct(ppp_private_area_t * ppp_priv_area)
+static void init_ppp_priv_struct( ppp_private_area_t *ppp_priv_area )
{
- ppp_priv_area->if_send_entry = 0;
- ppp_priv_area->if_send_skb_null = 0;
- ppp_priv_area->if_send_broadcast = 0;
- ppp_priv_area->if_send_multicast = 0;
- ppp_priv_area->if_send_critical_ISR = 0;
- ppp_priv_area->if_send_critical_non_ISR = 0;
- ppp_priv_area->if_send_busy = 0;
- ppp_priv_area->if_send_busy_timeout = 0;
- ppp_priv_area->if_send_DRVSTATS_request = 0;
- ppp_priv_area->if_send_PTPIPE_request = 0;
- ppp_priv_area->if_send_wan_disconnected = 0;
- ppp_priv_area->if_send_adptr_bfrs_full = 0;
- ppp_priv_area->if_send_bfr_passed_to_adptr = 0;
- ppp_priv_area->rx_intr_no_socket = 0;
- ppp_priv_area->rx_intr_DRVSTATS_request = 0;
- ppp_priv_area->rx_intr_PTPIPE_request = 0;
- ppp_priv_area->rx_intr_bfr_not_passed_to_stack = 0;
- ppp_priv_area->rx_intr_bfr_passed_to_stack = 0;
- ppp_priv_area->UDP_PTPIPE_mgmt_kmalloc_err = 0;
- ppp_priv_area->UDP_PTPIPE_mgmt_adptr_type_err = 0;
- ppp_priv_area->UDP_PTPIPE_mgmt_direction_err = 0;
- ppp_priv_area->UDP_PTPIPE_mgmt_adptr_cmnd_timeout = 0;
- ppp_priv_area->UDP_PTPIPE_mgmt_adptr_cmnd_OK = 0;
- ppp_priv_area->UDP_PTPIPE_mgmt_passed_to_adptr = 0;
- ppp_priv_area->UDP_PTPIPE_mgmt_passed_to_stack = 0;
- ppp_priv_area->UDP_PTPIPE_mgmt_no_socket = 0;
- ppp_priv_area->UDP_DRVSTATS_mgmt_kmalloc_err = 0;
- ppp_priv_area->UDP_DRVSTATS_mgmt_adptr_type_err = 0;
- ppp_priv_area->UDP_DRVSTATS_mgmt_direction_err = 0;
- ppp_priv_area->UDP_DRVSTATS_mgmt_adptr_cmnd_timeout = 0;
- ppp_priv_area->UDP_DRVSTATS_mgmt_adptr_cmnd_OK = 0;
- ppp_priv_area->UDP_DRVSTATS_mgmt_passed_to_adptr = 0;
- ppp_priv_area->UDP_DRVSTATS_mgmt_passed_to_stack = 0;
- ppp_priv_area->UDP_DRVSTATS_mgmt_no_socket = 0;
+
+ memset(&ppp_priv_area->if_send_stat, 0, sizeof(if_send_stat_t));
+ memset(&ppp_priv_area->rx_intr_stat, 0, sizeof(rx_intr_stat_t));
+ memset(&ppp_priv_area->pipe_mgmt_stat, 0, sizeof(pipe_mgmt_stat_t));
}
/*============================================================================
* Initialize Global Statistics
*/
-
-static void init_global_statistics(sdla_t * card)
+static void init_global_statistics( sdla_t *card )
{
- card->statistics.isr_entry = 0;
- card->statistics.isr_already_critical = 0;
- card->statistics.isr_tx = 0;
- card->statistics.isr_rx = 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_dev_not_started = 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.poll_tbusy_bad_status = 0;
+ memset(&card->statistics, 0, sizeof(global_stats_t));
}
/*============================================================================
* Initialize Receive and Transmit Buffers.
*/
-
-static void init_ppp_tx_rx_buff(sdla_t * card)
+static void init_ppp_tx_rx_buff( sdla_t *card )
{
- if (card->hw.fwid == SFID_PPP502) {
- ppp502_buf_info_t *info =
- (void *) (card->hw.dpmbase + PPP502_BUF_OFFS);
- card->u.p.txbuf_base =
- (void *) (card->hw.dpmbase + info->txb_offs);
- card->u.p.txbuf_last = (ppp_buf_ctl_t *) card->u.p.txbuf_base +
- (info->txb_num - 1);
- card->u.p.rxbuf_base =
- (void *) (card->hw.dpmbase + info->rxb_offs);
- card->u.p.rxbuf_last = (ppp_buf_ctl_t *) card->u.p.rxbuf_base +
- (info->rxb_num - 1);
+ ppp508_buf_info_t* info;
+
+ if (card->hw.type == SDLA_S514) {
+
+ info = (void*)(card->hw.dpmbase + PPP514_BUF_OFFS);
+
+ card->u.p.txbuf_base = (void*)(card->hw.dpmbase +
+ info->txb_ptr);
+
+ card->u.p.txbuf_last = (ppp_buf_ctl_t*)card->u.p.txbuf_base +
+ (info->txb_num - 1);
+
+ card->u.p.rxbuf_base = (void*)(card->hw.dpmbase +
+ info->rxb_ptr);
+
+ card->u.p.rxbuf_last = (ppp_buf_ctl_t*)card->u.p.rxbuf_base +
+ (info->rxb_num - 1);
+
} else {
- ppp508_buf_info_t *info =
- (void *) (card->hw.dpmbase + PPP508_BUF_OFFS);
- card->u.p.txbuf_base = (void *) (card->hw.dpmbase +
- (info->txb_ptr - PPP508_MB_VECT));
- card->u.p.txbuf_last = (ppp_buf_ctl_t *) card->u.p.txbuf_base +
- (info->txb_num - 1);
- card->u.p.rxbuf_base = (void *) (card->hw.dpmbase +
- (info->rxb_ptr - PPP508_MB_VECT));
- card->u.p.rxbuf_last = (ppp_buf_ctl_t *) card->u.p.rxbuf_base +
- (info->rxb_num - 1);
- card->u.p.rx_base = info->rxb_base;
- card->u.p.rx_top = info->rxb_end;
+
+ info = (void*)(card->hw.dpmbase + PPP508_BUF_OFFS);
+
+ card->u.p.txbuf_base = (void*)(card->hw.dpmbase +
+ (info->txb_ptr - PPP508_MB_VECT));
+
+ card->u.p.txbuf_last = (ppp_buf_ctl_t*)card->u.p.txbuf_base +
+ (info->txb_num - 1);
+
+ card->u.p.rxbuf_base = (void*)(card->hw.dpmbase +
+ (info->rxb_ptr - PPP508_MB_VECT));
+
+ card->u.p.rxbuf_last = (ppp_buf_ctl_t*)card->u.p.rxbuf_base +
+ (info->rxb_num - 1);
}
+
+ card->u.p.rx_base = info->rxb_base;
+ card->u.p.rx_top = info->rxb_end;
+
card->u.p.txbuf = card->u.p.txbuf_base;
card->rxmb = card->u.p.rxbuf_base;
+
+}
+
+/*=============================================================================
+ * Read Connection Information (ie for Remote IP address assginment).
+ * Called when ppp interface connected.
+ */
+static int read_info( sdla_t *card )
+{
+ struct net_device *dev = card->wandev.dev;
+ ppp_private_area_t *ppp_priv_area = dev->priv;
+ int err;
+ struct ifreq if_info;
+ struct sockaddr_in *if_data1, *if_data2;
+ mm_segment_t fs;
+
+ /* Set Local and remote addresses */
+ memset(&if_info, 0, sizeof(if_info));
+ strcpy(if_info.ifr_name, dev->name);
+
+ fs = get_fs();
+ set_fs(get_ds()); /* get user space block */
+
+
+ /* Change the local and remote ip address of the interface.
+ * This will also add in the destination route.
+ */
+ if_data1 = (struct sockaddr_in *)&if_info.ifr_addr;
+ if_data1->sin_addr.s_addr = ppp_priv_area->ip_local;
+ if_data1->sin_family = AF_INET;
+ err = devinet_ioctl( SIOCSIFADDR, &if_info );
+ if_data2 = (struct sockaddr_in *)&if_info.ifr_dstaddr;
+ if_data2->sin_addr.s_addr = ppp_priv_area->ip_remote;
+ if_data2->sin_family = AF_INET;
+ err = devinet_ioctl( SIOCSIFDSTADDR, &if_info );
+
+ set_fs(fs); /* restore old block */
+
+
+ if (err) {
+ printk (KERN_INFO "%s: Adding of route failed:\n",
+ card->devname);
+ printk (KERN_INFO "%s: Local : %s\n",
+ card->devname,in_ntoa(ppp_priv_area->ip_local));
+ printk (KERN_INFO "%s: Remote: %s\n",
+ card->devname,in_ntoa(ppp_priv_area->ip_remote));
+ }
+ return err;
+}
+
+/*=============================================================================
+ * Remove Dynamic Route.
+ * Called when ppp interface disconnected.
+ */
+
+static int remove_route( sdla_t *card )
+{
+
+ struct net_device *dev = card->wandev.dev;
+ long ip_addr;
+ int err;
+
+ mm_segment_t fs;
+ struct ifreq if_info;
+ struct sockaddr_in *if_data1;
+ struct in_device *in_dev = dev->ip_ptr;
+ struct in_ifaddr *ifa = in_dev->ifa_list;
+
+
+ ip_addr = ifa->ifa_local;
+
+ /* Set Local and remote addresses */
+ memset(&if_info, 0, sizeof(if_info));
+ strcpy(if_info.ifr_name, dev->name);
+
+
+ fs = get_fs();
+ set_fs(get_ds()); /* get user space block */
+
+
+ /* Change the local ip address of the interface to 0.
+ * This will also delete the destination route.
+ */
+ if_data1 = (struct sockaddr_in *)&if_info.ifr_addr;
+ if_data1->sin_addr.s_addr = 0;
+ if_data1->sin_family = AF_INET;
+ err = devinet_ioctl( SIOCSIFADDR, &if_info );
+
+ set_fs(fs); /* restore old block */
+
+
+ if (err) {
+ printk (KERN_INFO "%s: Deleting dynamic route failed %d!\n",
+ card->devname, err);
+ return err;
+ }else
+ printk (KERN_INFO "%s: PPP Deleting dynamic route %s successfuly\n",
+ card->devname, in_ntoa(ip_addr));
+
+
+ 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 )
{
ppp_mbox_t *mb = card->mbox;
- int err, i;
- /* The critical flag is unset because during initialization (if_open)
+ int err,i;
+
+ /* The critical flag is unset because during intialization (if_open)
* we want the interrupts to be enabled so that when the wpp_isr is
* called it does not exit due to critical flag set.
- */
+ */
+
card->wandev.critical = 0;
- err = ppp_set_intr_mode(card, 0x08);
- if (err == CMD_OK) {
- for (i = 0; i < MAX_INTR_TEST_COUNTER; i++) {
+
+ err = ppp_set_intr_mode( card, 0x08 );
+
+ if (err == CMD_OK) {
+
+ for (i = 0; i < MAX_INTR_TEST_COUNTER; i ++) {
/* Run command READ_CODE_VERSION */
memset(&mb->cmd, 0, sizeof(ppp_cmd_t));
- mb->cmd.length = 0;
- mb->cmd.command = 0x10;
+ mb->cmd.length = 0;
+ mb->cmd.command = PPP_READ_CODE_VERSION;
err = sdla_exec(mb) ? mb->cmd.result : CMD_TIMEOUT;
- if (err != CMD_OK)
+ if (err != CMD_OK)
ppp_error(card, err, mb);
}
- } else
- return err;
- err = ppp_set_intr_mode(card, 0);
- if (err != CMD_OK)
+ }
+ else return err;
+
+ err = ppp_set_intr_mode( card, 0 );
+ if (err != CMD_OK)
return err;
+
card->wandev.critical = 1;
return 0;
}
@@ -2222,40 +2796,140 @@
/*==============================================================================
* Determine what type of UDP call it is. DRVSTATS or PTPIPEAB ?
*/
-
-static int udp_pkt_type(struct sk_buff *skb, sdla_t * card)
+static int udp_pkt_type( struct sk_buff *skb, sdla_t *card )
{
unsigned char *sendpacket;
- unsigned char buf2[5];
+ unsigned char buf2[5];
+ //FIXME: Use the structure
+ ppp_udp_pkt_t *ppp_udp_pkt = (ppp_udp_pkt_t *)skb->data;
+
sendpacket = skb->data;
memcpy(&buf2, &card->wandev.udp_port, 2);
- if (sendpacket[0] == 0x45 && /* IP packet */
- sendpacket[9] == 0x11 && /* UDP packet */
- sendpacket[22] == buf2[1] && /* UDP Port */
- sendpacket[23] == buf2[0] &&
- sendpacket[36] == 0x01) {
- if (sendpacket[28] == 0x50 && /* PTPIPEAB: Signature */
- sendpacket[29] == 0x54 &&
- sendpacket[30] == 0x50 &&
- sendpacket[31] == 0x49 &&
- sendpacket[32] == 0x50 &&
- sendpacket[33] == 0x45 &&
- sendpacket[34] == 0x41 &&
- sendpacket[35] == 0x42) {
+
+ if( ppp_udp_pkt->ip_pkt.ver_inet_hdr_length == 0x45 && /* IP packet */
+ sendpacket[9] == 0x11 && /* UDP packet */
+ sendpacket[22] == buf2[1] && /* UDP Port */
+ sendpacket[23] == buf2[0] &&
+ sendpacket[36] == 0x01 ) {
+
+ if ( sendpacket[28] == 0x50 && /* PTPIPEAB: Signature */
+ sendpacket[29] == 0x54 &&
+ sendpacket[30] == 0x50 &&
+ sendpacket[31] == 0x49 &&
+ sendpacket[32] == 0x50 &&
+ sendpacket[33] == 0x45 &&
+ sendpacket[34] == 0x41 &&
+ sendpacket[35] == 0x42 ){
+
return UDP_PTPIPE_TYPE;
- } else if (sendpacket[28] == 0x44 && /* DRVSTATS: Signature */
- sendpacket[29] == 0x52 &&
- sendpacket[30] == 0x56 &&
- sendpacket[31] == 0x53 &&
- sendpacket[32] == 0x54 &&
- sendpacket[33] == 0x41 &&
- sendpacket[34] == 0x54 &&
- sendpacket[35] == 0x53) {
+
+ } else if(sendpacket[28] == 0x44 && /* DRVSTATS: Signature */
+ sendpacket[29] == 0x52 &&
+ sendpacket[30] == 0x56 &&
+ sendpacket[31] == 0x53 &&
+ sendpacket[32] == 0x54 &&
+ sendpacket[33] == 0x41 &&
+ sendpacket[34] == 0x54 &&
+ sendpacket[35] == 0x53 ){
+
return UDP_DRVSTATS_TYPE;
+
} else
return UDP_INVALID_TYPE;
+
} else
return UDP_INVALID_TYPE;
+
+}
+
+/*============================================================================
+ * Check to see if the packet to be transmitted contains a broadcast or
+ * multicast source IP address.
+ */
+
+static int chk_bcast_mcast_addr(sdla_t *card, struct net_device* dev,
+ struct sk_buff *skb)
+{
+ u32 src_ip_addr;
+ u32 broadcast_ip_addr = 0;
+ struct in_device *in_dev;
+ /* read the IP source address from the outgoing packet */
+ src_ip_addr = *(u32 *)(skb->data + 12);
+
+ /* read the IP broadcast address for the device */
+ in_dev = dev->ip_ptr;
+ if(in_dev != NULL) {
+ struct in_ifaddr *ifa= in_dev->ifa_list;
+ if(ifa != NULL)
+ broadcast_ip_addr = ifa->ifa_broadcast;
+ else
+ return 0;
+ }
+
+ /* check if the IP Source Address is a Broadcast address */
+ if((dev->flags & IFF_BROADCAST) && (src_ip_addr == broadcast_ip_addr)) {
+ printk(KERN_INFO "%s: Broadcast Source Address silently discarded\n",
+ card->devname);
+ dev_kfree_skb(skb);
+ ++card->wandev.stats.tx_dropped;
+ return 1;
+ }
+
+ /* check if the IP Source Address is a Multicast address */
+ if((ntohl(src_ip_addr) >= 0xE0000001) &&
+ (ntohl(src_ip_addr) <= 0xFFFFFFFE)) {
+ printk(KERN_INFO "%s: Multicast Source Address silently discarded\n",
+ card->devname);
+ dev_kfree_skb(skb);
+ ++card->wandev.stats.tx_dropped;
+ return 1;
+ }
+
+ return 0;
+}
+
+void s508_lock (sdla_t *card, unsigned long *smp_flags)
+{
+#ifdef __SMP__
+ spin_lock_irqsave(&card->lock, *smp_flags);
+#else
+ disable_irq(card->hw.irq);
+#endif
+}
+
+void s508_unlock (sdla_t *card, unsigned long *smp_flags)
+{
+#ifdef __SMP__
+ spin_unlock_irqrestore(&card->lock, *smp_flags);
+#else
+ enable_irq(card->hw.irq);
+#endif
+}
+
+static int read_connection_info (sdla_t *card)
+{
+ ppp_mbox_t *mb = card->mbox;
+ struct net_device *dev = card->wandev.dev;
+ ppp_private_area_t *ppp_priv_area = dev->priv;
+ ppp508_connect_info_t *ppp508_connect_info;
+ int err;
+
+ memset(&mb->cmd, 0, sizeof(ppp_cmd_t));
+ mb->cmd.length = 0;
+ mb->cmd.command = PPP_GET_CONNECTION_INFO;
+ err = sdla_exec(mb) ? mb->cmd.result : CMD_TIMEOUT;
+
+ if (err != CMD_OK) {
+ ppp_error(card, err, mb);
+ }
+ else {
+ ppp508_connect_info = (ppp508_connect_info_t *)mb->data;
+
+ ppp_priv_area->ip_remote = ppp508_connect_info->ip_remote;
+ ppp_priv_area->ip_local = ppp508_connect_info->ip_local;
+ }
+
+ return err;
}
/****** End *****************************************************************/
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)