package/ar7-atm/patches/170-add-hotplug-status.patch

   1 diff -urN sangam_atm-D7.03.01.00.orig/tn7dsl.c sangam_atm-D7.03.01.00/tn7dsl.c
   2 --- sangam_atm-D7.03.01.00.orig/tn7dsl.c        2008-01-05 03:11:03.000000000 +0100
   3 +++ sangam_atm-D7.03.01.00/tn7dsl.c     2008-01-06 18:13:24.000000000 +0000
   4 @@ -109,6 +109,11 @@
   5  #include <linux/vmalloc.h>
   6  #include <linux/file.h>
   7  #include <linux/firmware.h>
   8 +#include <linux/skbuff.h>
   9 +#include <linux/netlink.h>
  10 +#include <net/sock.h>
  11 +#include <linux/kobject.h>
  12 +#include <asm/uaccess.h>
  13
  14  #include <asm/io.h>
  15  #include <asm/ar7/ar7.h>
  16 @@ -296,6 +301,8 @@
  17  /* externs */
  18  extern struct atm_dev *mydev;
  19  extern unsigned int oamFarLBCount[4];
  20 +extern struct sock *uevent_sock;
  21 +extern u64 uevent_next_seqnum(void);
  22
  23  /* module wide declars */
  24  static PITIDSLHW_T    pIhw;
  25 @@ -333,6 +340,75 @@
  26         return 0;
  27  }
  28
  29 +static inline void add_msg(struct sk_buff *skb, char *msg)
  30 +{
  31 +       char *scratch;
  32 +       scratch = skb_put(skb, strlen(msg) + 1);
  33 +       sprintf(scratch, msg);
  34 +}
  35 +
  36 +static void hotplug_dsl_status(void)
  37 +{
  38 +       struct sk_buff *skb;
  39 +       size_t len;
  40 +       char *scratch, *dsl_status;
  41 +       char buf[128];
  42 +       u64 seq;
  43 +
  44 +       if (!uevent_sock) {
  45 +               printk("avsar: unable to create netlink socket!\n");
  46 +               return;
  47 +       }
  48 +
  49 +       switch (pIhw->AppData.bState)
  50 +       {
  51 +       case RSTATE_TEST:
  52 +                dsl_status="TEST";
  53 +               break;
  54 +       case RSTATE_IDLE:
  55 +               dsl_status="IDLE";
  56 +                break;
  57 +       case RSTATE_INIT:
  58 +               dsl_status="INIT";
  59 +                break;
  60 +       case RSTATE_HS:
  61 +               dsl_status="HANDSHAKE";
  62 +                break;
  63 +       case RSTATE_RTDL:
  64 +               dsl_status="RETRAIN";
  65 +                break;
  66 +       case RSTATE_SHOWTIME:
  67 +               dsl_status="SHOWTIME";
  68 +                break;
  69 +       default:
  70 +               dsl_status="UNKNOWN";
  71 +       }
  72 +
  73 +       /* allocate message with the maximum possible size */
  74 +       len = strlen(dsl_status) +2;
  75 +       skb = alloc_skb(len + 2048, GFP_KERNEL);
  76 +       if (!skb)
  77 +               return;
  78 +
  79 +       /* add header */
  80 +       scratch = skb_put(skb, len);
  81 +       sprintf(scratch, "%s@",dsl_status);
  82 +
  83 +       /* copy keys to our continuous event payload buffer */
  84 +       add_msg(skb, "HOME=/");
  85 +       add_msg(skb, "PATH=/sbin:/bin:/usr/sbin:/usr/bin");
  86 +       add_msg(skb, "SUBSYSTEM=atm");
  87 +       add_msg(skb, "DEVICENAME=avsar0");
  88 +       snprintf(buf, 128, "ACTION=%s", dsl_status);
  89 +       add_msg(skb, buf);
  90 +       seq = uevent_next_seqnum();
  91 +       snprintf(buf, 128, "SEQNUM=%llu", (unsigned long long)seq);
  92 +       add_msg(skb, buf);
  93 +
  94 +       NETLINK_CB(skb).dst_group = 1;
  95 +       netlink_broadcast(uevent_sock, skb, 0, 1, GFP_KERNEL);
  96 +}
  97 +
  98
  99  int os_atoi(const char *pStr)
 100  {
 101 @@ -2558,7 +2634,7 @@
 102
 103  inline int tn7dsl_handle_interrupt(void)
 104  {
 105 -  int intsrc;
 106 +  int intsrc,curState;
 107    unsigned char cMsgRa[6];
 108    short margin;
 109    extern unsigned int def_sar_inter_pace;   //Sorry
 110 @@ -2573,7 +2649,7 @@
 111
 112      if (nohost_flag) return 0;
 113
 114 -
 115 +    curState=pIhw->AppData.bState;
 116      dslhal_api_handleTrainingInterrupt(pIhw, intsrc);
 117
 118      if(pIhw->lConnected == TC_SYNC)
 119 @@ -2704,8 +2780,8 @@
 120        }
 121
 122  #endif
 123 -
 124      }
 125 +    if(pIhw->AppData.bState != curState) hotplug_dsl_status();
 126
 127      //UR8_MERGE_START CQ10442 Manjula K
 128      if (pIhw->AppData.SRA)