target/linux/brcm63xx/patches/100-atm_hacks.patch

   1 diff -urN linux-2.6.19.1/include/linux/atm.h linux-2.6.19.1.new/include/linux/atm.h
   2 --- linux-2.6.19.1/include/linux/atm.h  2006-12-11 20:32:53.000000000 +0100
   3 +++ linux-2.6.19.1.new/include/linux/atm.h      2007-01-07 18:38:50.000000000 +0100
   4 @@ -48,6 +48,9 @@
   5  #define ATM_AAL2       2               /* AAL2 (VBR) */
   6  #define ATM_AAL34      3               /* AAL3/4 (data) */
   7  #define ATM_AAL5       5               /* AAL5 (data) */
   8 +#if defined(CONFIG_MIPS_BCM963XX)
   9 +#define ATM_BCM_AAL0    14              /* "raw" ATM cells */
  10 +#endif
  11
  12  /*
  13   * socket option name coding functions
  14 diff -urN linux-2.6.19.1/include/linux/atmbr2684.h linux-2.6.19.1.new/include/linux/atmbr2684.h
  15 --- linux-2.6.19.1/include/linux/atmbr2684.h    2006-12-11 20:32:53.000000000 +0100
  16 +++ linux-2.6.19.1.new/include/linux/atmbr2684.h        2007-01-07 18:24:01.000000000 +0100
  17 @@ -78,6 +78,10 @@
  18         __u8    vpn_id[7];
  19         int     send_padding;   /* unsupported */
  20         int     min_size;       /* we will pad smaller packets than this */
  21 +#if defined(CONFIG_MIPS_BCM963XX)
  22 +#define FILTER_PPPOE   1
  23 +       int     proto_filter;   /* protocol filter flag, current only PPPoE */
  24 +#endif
  25  };
  26
  27  /*
  28 diff -urN linux-2.6.19.1/include/linux/atmdev.h linux-2.6.19.1.new/include/linux/atmdev.h
  29 --- linux-2.6.19.1/include/linux/atmdev.h       2006-12-11 20:32:53.000000000 +0100
  30 +++ linux-2.6.19.1.new/include/linux/atmdev.h   2007-01-07 18:37:34.000000000 +0100
  31 @@ -29,6 +29,10 @@
  32  #define ATM_DS3_PCR    (8000*12)
  33                         /* DS3: 12 cells in a 125 usec time slot */
  34
  35 +#if defined(CONFIG_MIPS_BCM963XX)
  36 +#define atm_sk(__sk) ((struct atm_vcc *)(__sk)->sk_protinfo)
  37 +#define ATM_SD(s)      (atm_sk((s)->sk))
  38 +#endif
  39
  40  #define __AAL_STAT_ITEMS \
  41      __HANDLE_ITEM(tx);                 /* TX okay */ \
  42 @@ -111,6 +115,9 @@
  43  #define ATM_BACKEND_RAW                0
  44  #define ATM_BACKEND_PPP                1       /* PPPoATM - RFC2364 */
  45  #define ATM_BACKEND_BR2684     2       /* Bridged RFC1483/2684 */
  46 +#if defined(CONFIG_MIPS_BCM963XX)
  47 +#define ATM_BACKEND_RT2684      3       /* Routed RFC1483/2684 */
  48 +#endif
  49
  50  /* for ATM_GETTYPE */
  51  #define ATM_ITFTYP_LEN 8       /* maximum length of interface type name */
  52 @@ -274,6 +281,9 @@
  53
  54
  55  enum {
  56 +#if defined(CONFIG_MIPS_BCM963XX)
  57 +       ATM_DF_CLOSE,           /* close device when last VCC is closed */
  58 +#endif
  59         ATM_DF_REMOVED,         /* device was removed from atm_devs list */
  60  };
  61
  62 @@ -285,8 +295,10 @@
  63  #define ATM_ATMOPT_CLP 1       /* set CLP bit */
  64
  65  struct atm_vcc {
  66 +#if !defined(CONFIG_MIPS_BCM963XX)
  67         /* struct sock has to be the first member of atm_vcc */
  68         struct sock     sk;
  69 +#endif
  70         unsigned long   flags;          /* VCC flags (ATM_VF_*) */
  71         short           vpi;            /* VPI and VCI (types must be equal */
  72                                         /* with sockaddr) */
  73 @@ -303,6 +315,9 @@
  74         void            *dev_data;      /* per-device data */
  75         void            *proto_data;    /* per-protocol data */
  76         struct k_atm_aal_stats *stats;  /* pointer to AAL stats group */
  77 +#if defined(CONFIG_MIPS_BCM963XX)
  78 +       struct sock     *sk;            /* socket backpointer */
  79 +#endif
  80         /* SVC part --- may move later ------------------------------------- */
  81         short           itf;            /* interface number */
  82         struct sockaddr_atmsvc local;
  83 @@ -332,7 +347,11 @@
  84
  85  struct atm_dev_addr {
  86         struct sockaddr_atmsvc addr;    /* ATM address */
  87 +#if defined(CONFIG_MIPS_BCM963XX)
  88 +       struct atm_dev_addr *next;      /* next address */
  89 +#else
  90         struct list_head entry;         /* next address */
  91 +#endif
  92  };
  93
  94  enum atm_addr_type_t { ATM_ADDR_LOCAL, ATM_ADDR_LECS };
  95 @@ -346,8 +365,12 @@
  96         void            *dev_data;      /* per-device data */
  97         void            *phy_data;      /* private PHY date */
  98         unsigned long   flags;          /* device flags (ATM_DF_*) */
  99 +#if defined(CONFIG_MIPS_BCM963XX)
 100 +       struct atm_dev_addr *local;     /* local ATM addresses */
 101 +#else
 102         struct list_head local;         /* local ATM addresses */
 103         struct list_head lecs;          /* LECS ATM addresses learned via ILMI */
 104 +#endif
 105         unsigned char   esi[ESI_LEN];   /* ESI ("MAC" addr) */
 106         struct atm_cirange ci_range;    /* VPI/VCI range */
 107         struct k_atm_dev_stats stats;   /* statistics */
 108 @@ -359,7 +382,9 @@
 109         struct proc_dir_entry *proc_entry; /* proc entry */
 110         char *proc_name;                /* proc entry name */
 111  #endif
 112 +#if !defined(CONFIG_MIPS_BCM963XX)
 113         struct class_device class_dev;  /* sysfs class device */
 114 +#endif
 115         struct list_head dev_list;      /* linkage */
 116  };
 117
 118 @@ -416,7 +441,13 @@
 119      int number,unsigned long *flags); /* number == -1: pick first available */
 120  struct atm_dev *atm_dev_lookup(int number);
 121  void atm_dev_deregister(struct atm_dev *dev);
 122 +#if defined(CONFIG_MIPS_BCM963XX)
 123 +void shutdown_atm_dev(struct atm_dev *dev);
 124 +#endif
 125  void vcc_insert_socket(struct sock *sk);
 126 +#if defined(CONFIG_MIPS_BCM963XX)
 127 +void vcc_remove_socket(struct sock *sk);
 128 +#endif
 129
 130
 131  /*
 132 @@ -432,20 +463,33 @@
 133
 134  static inline void atm_force_charge(struct atm_vcc *vcc,int truesize)
 135  {
 136 +#if defined(CONFIG_MIPS_BCM963XX)
 137 +       atomic_add(truesize, &vcc->sk->sk_rmem_alloc);
 138 +#else
 139         atomic_add(truesize, &sk_atm(vcc)->sk_rmem_alloc);
 140 +#endif
 141  }
 142
 143
 144  static inline void atm_return(struct atm_vcc *vcc,int truesize)
 145  {
 146 +#if defined(CONFIG_MIPS_BCM963XX)
 147 +       atomic_sub(truesize, &vcc->sk->sk_rmem_alloc);
 148 +#else
 149         atomic_sub(truesize, &sk_atm(vcc)->sk_rmem_alloc);
 150 +#endif
 151  }
 152
 153
 154  static inline int atm_may_send(struct atm_vcc *vcc,unsigned int size)
 155  {
 156 +#if defined(CONFIG_MIPS_BCM963XX)
 157 +       return (size + atomic_read(&vcc->sk->sk_wmem_alloc)) <
 158 +               vcc->sk->sk_sndbuf;
 159 +#else
 160         return (size + atomic_read(&sk_atm(vcc)->sk_wmem_alloc)) <
 161                sk_atm(vcc)->sk_sndbuf;
 162 +#endif
 163  }
 164
 165
 166 @@ -457,12 +501,20 @@
 167
 168  static inline void atm_dev_put(struct atm_dev *dev)
 169  {
 170 +#if defined(CONFIG_MIPS_BCM963XX)
 171 +       atomic_dec(&dev->refcnt);
 172 +
 173 +       if ((atomic_read(&dev->refcnt) == 1) &&
 174 +            test_bit(ATM_DF_CLOSE,&dev->flags))
 175 +               shutdown_atm_dev(dev);
 176 +#else
 177         if (atomic_dec_and_test(&dev->refcnt)) {
 178                 BUG_ON(!test_bit(ATM_DF_REMOVED, &dev->flags));
 179                 if (dev->ops->dev_close)
 180                         dev->ops->dev_close(dev);
 181                 class_device_put(&dev->class_dev);
 182         }
 183 +#endif
 184  }
 185
 186