linux 2.6.16.38 w/ vs2.0.3-rc1
[linux-2.6.git] / net / x25 / x25_facilities.c
index 9f42b9c..54278b9 100644 (file)
 #include <net/x25.h>
 
 /*
- * Parse a set of facilities into the facilities structures. Unrecognised
+ *     Parse a set of facilities into the facilities structure. Unrecognised
  *     facilities are written to the debug log file.
  */
-int x25_parse_facilities(struct sk_buff *skb, struct x25_facilities *facilities,
-               struct x25_dte_facilities *dte_facs, unsigned long *vc_fac_mask)
+int x25_parse_facilities(struct sk_buff *skb,
+                        struct x25_facilities *facilities,
+                        unsigned long *vc_fac_mask)
 {
        unsigned char *p = skb->data;
        unsigned int len = *p++;
 
        *vc_fac_mask = 0;
 
-       /*
-        * The kernel knows which facilities were set on an incoming call but
-        * currently this information is not available to userspace.  Here we
-        * give userspace who read incoming call facilities 0 length to indicate
-        * it wasn't set.
-        */
-       dte_facs->calling_len = 0;
-       dte_facs->called_len = 0;
-       memset(dte_facs->called_ae, '\0', sizeof(dte_facs->called_ae));
-       memset(dte_facs->calling_ae, '\0', sizeof(dte_facs->calling_ae));
-
        while (len > 0) {
                switch (*p & X25_FAC_CLASS_MASK) {
                case X25_FAC_CLASS_A:
@@ -84,8 +74,6 @@ int x25_parse_facilities(struct sk_buff *skb, struct x25_facilities *facilities,
                                facilities->throughput = p[1];
                                *vc_fac_mask |= X25_MASK_THROUGHPUT;
                                break;
-                       case X25_MARKER:
-                               break;
                        default:
                                printk(KERN_DEBUG "X.25: unknown facility "
                                       "%02X, value %02X\n",
@@ -124,30 +112,11 @@ int x25_parse_facilities(struct sk_buff *skb, struct x25_facilities *facilities,
                        len -= 4;
                        break;
                case X25_FAC_CLASS_D:
-                       switch (*p) {
-                       case X25_FAC_CALLING_AE:
-                               if (p[1] > X25_MAX_DTE_FACIL_LEN)
-                                       break;
-                               dte_facs->calling_len = p[2];
-                               memcpy(dte_facs->calling_ae, &p[3], p[1] - 1);
-                               *vc_fac_mask |= X25_MASK_CALLING_AE;
-                               break;
-                       case X25_FAC_CALLED_AE:
-                               if (p[1] > X25_MAX_DTE_FACIL_LEN)
-                                       break;
-                               dte_facs->called_len = p[2];
-                               memcpy(dte_facs->called_ae, &p[3], p[1] - 1);
-                               *vc_fac_mask |= X25_MASK_CALLED_AE;
-                               break;
-                       default:
-                               printk(KERN_DEBUG "X.25: unknown facility %02X,"
-                                       "length %d, values %02X, %02X, "
-                                       "%02X, %02X\n",
-                                       p[0], p[1], p[2], p[3], p[4], p[5]);
-                               break;
-                       }
+                       printk(KERN_DEBUG "X.25: unknown facility %02X, "
+                              "length %d, values %02X, %02X, %02X, %02X\n",
+                              p[0], p[1], p[2], p[3], p[4], p[5]);
                        len -= p[1] + 2;
-                       p += p[1] + 2;
+                       p   += p[1] + 2;
                        break;
                }
        }
@@ -159,8 +128,8 @@ int x25_parse_facilities(struct sk_buff *skb, struct x25_facilities *facilities,
  *     Create a set of facilities.
  */
 int x25_create_facilities(unsigned char *buffer,
-               struct x25_facilities *facilities,
-               struct x25_dte_facilities *dte_facs, unsigned long facil_mask)
+                         struct x25_facilities *facilities,
+                         unsigned long facil_mask)
 {
        unsigned char *p = buffer + 1;
        int len;
@@ -199,33 +168,6 @@ int x25_create_facilities(unsigned char *buffer,
                *p++ = facilities->winsize_out ? : facilities->winsize_in;
        }
 
-       if (facil_mask & (X25_MASK_CALLING_AE|X25_MASK_CALLED_AE)) {
-               *p++ = X25_MARKER;
-               *p++ = X25_DTE_SERVICES;
-       }
-
-       if (dte_facs->calling_len && (facil_mask & X25_MASK_CALLING_AE)) {
-               unsigned bytecount = (dte_facs->calling_len % 2) ?
-                                       dte_facs->calling_len / 2 + 1 :
-                                       dte_facs->calling_len / 2;
-               *p++ = X25_FAC_CALLING_AE;
-               *p++ = 1 + bytecount;
-               *p++ = dte_facs->calling_len;
-               memcpy(p, dte_facs->calling_ae, bytecount);
-               p += bytecount;
-       }
-
-       if (dte_facs->called_len && (facil_mask & X25_MASK_CALLED_AE)) {
-               unsigned bytecount = (dte_facs->called_len % 2) ?
-               dte_facs->called_len / 2 + 1 :
-               dte_facs->called_len / 2;
-               *p++ = X25_FAC_CALLED_AE;
-               *p++ = 1 + bytecount;
-               *p++ = dte_facs->called_len;
-               memcpy(p, dte_facs->called_ae, bytecount);
-               p+=bytecount;
-       }
-
        len       = p - buffer;
        buffer[0] = len - 1;
 
@@ -238,7 +180,7 @@ int x25_create_facilities(unsigned char *buffer,
  *     The only real problem is with reverse charging.
  */
 int x25_negotiate_facilities(struct sk_buff *skb, struct sock *sk,
-               struct x25_facilities *new, struct x25_dte_facilities *dte)
+                            struct x25_facilities *new)
 {
        struct x25_sock *x25 = x25_sk(sk);
        struct x25_facilities *ours = &x25->facilities;
@@ -248,7 +190,7 @@ int x25_negotiate_facilities(struct sk_buff *skb, struct sock *sk,
        memset(&theirs, 0, sizeof(theirs));
        memcpy(new, ours, sizeof(*new));
 
-       len = x25_parse_facilities(skb, &theirs, dte, &x25->vc_facil_mask);
+       len = x25_parse_facilities(skb, &theirs, &x25->vc_facil_mask);
 
        /*
         *      They want reverse charging, we won't accept it.