X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=net%2Fx25%2Fx25_subr.c;h=8d6220aa5d0fd5748814659e5a2d7068c91cdf57;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=183fea3bba676e0e60890f12483b395abd58a828;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git

diff --git a/net/x25/x25_subr.c b/net/x25/x25_subr.c
index 183fea3bb..8d6220aa5 100644
--- a/net/x25/x25_subr.c
+++ b/net/x25/x25_subr.c
@@ -19,13 +19,15 @@
  *	mar/20/00	Daniela Squassoni Disabling/enabling of facilities
  *					  negotiation.
  *	jun/24/01	Arnaldo C. Melo	  use skb_queue_purge, cleanups
+ *	apr/04/15	Shaun Pereira		Fast select with no
+ *						restriction on response.
  */
 
 #include <linux/kernel.h>
 #include <linux/string.h>
 #include <linux/skbuff.h>
 #include <net/sock.h>
-#include <net/tcp.h>
+#include <net/tcp_states.h>
 #include <net/x25.h>
 
 /*
@@ -78,7 +80,7 @@ void x25_requeue_frames(struct sock *sk)
 		if (!skb_prev)
 			skb_queue_head(&sk->sk_write_queue, skb);
 		else
-			skb_append(skb_prev, skb);
+			skb_append(skb_prev, skb, &sk->sk_write_queue);
 		skb_prev = skb;
 	}
 }
@@ -127,8 +129,12 @@ void x25_write_internal(struct sock *sk, int frametype)
 			len += 1 + X25_ADDR_LEN + X25_MAX_FAC_LEN +
 			       X25_MAX_CUD_LEN;
 			break;
-		case X25_CALL_ACCEPTED:
-			len += 1 + X25_MAX_FAC_LEN + X25_MAX_CUD_LEN;
+		case X25_CALL_ACCEPTED: /* fast sel with no restr on resp */
+			if(x25->facilities.reverse & 0x80) {
+				len += 1 + X25_MAX_FAC_LEN + X25_MAX_CUD_LEN;
+			} else {
+				len += 1 + X25_MAX_FAC_LEN;
+			}
 			break;
 		case X25_CLEAR_REQUEST:
 		case X25_RESET_REQUEST:
@@ -184,8 +190,9 @@ void x25_write_internal(struct sock *sk, int frametype)
 			dptr    = skb_put(skb, len);
 			memcpy(dptr, addresses, len);
 			len     = x25_create_facilities(facilities,
-							&x25->facilities,
-					     x25->neighbour->global_facil_mask);
+					&x25->facilities,
+					&x25->dte_facilities,
+					x25->neighbour->global_facil_mask);
 			dptr    = skb_put(skb, len);
 			memcpy(dptr, facilities, len);
 			dptr = skb_put(skb, x25->calluserdata.cudlength);
@@ -200,12 +207,20 @@ void x25_write_internal(struct sock *sk, int frametype)
 			*dptr++ = 0x00;		/* Address lengths */
 			len     = x25_create_facilities(facilities,
 							&x25->facilities,
+							&x25->dte_facilities,
 							x25->vc_facil_mask);
 			dptr    = skb_put(skb, len);
 			memcpy(dptr, facilities, len);
-			dptr = skb_put(skb, x25->calluserdata.cudlength);
-			memcpy(dptr, x25->calluserdata.cuddata,
-			       x25->calluserdata.cudlength);
+
+			/* fast select with no restriction on response
+				allows call user data. Userland must
+				ensure it is ours and not theirs */
+			if(x25->facilities.reverse & 0x80) {
+				dptr = skb_put(skb,
+					x25->calluserdata.cudlength);
+				memcpy(dptr, x25->calluserdata.cuddata,
+				       x25->calluserdata.cudlength);
+			}
 			x25->calluserdata.cudlength = 0;
 			break;
 
@@ -354,21 +369,3 @@ void x25_check_rbuf(struct sock *sk)
 	}
 }
 
-/*
- * Compare 2 calluserdata structures, used to find correct listening sockets
- * when call user data is used.
- */
-int x25_check_calluserdata(struct x25_calluserdata *ours, struct x25_calluserdata *theirs)
-{
-	int i;
-	if (ours->cudlength != theirs->cudlength)
-		return 0;
-
-	for (i=0;i<ours->cudlength;i++) {
-		if (ours->cuddata[i] != theirs->cuddata[i]) {
-			return 0;
-		}
-	}
-	return 1;
-}
-