allow for more than 255 connections on an interface; i.e.

make macros for encoding and decoding lcn <-> logical_chanel and lc_group_numbers

SCCS-vsn: sys/netccitt/pk.h 7.5

diff --git a/usr/src/sys/netccitt/pk.h b/usr/src/sys/netccitt/pk.h
index a282781..dc6a7ef 100644 (file)
--- a/usr/src/sys/netccitt/pk.h
+++ b/usr/src/sys/netccitt/pk.h
@@ -9,7 +9,7 @@
  *
  * %sccs.include.redist.c%
  *
  *
  * %sccs.include.redist.c%
  *

- *     @(#)pk.h        7.4 (Berkeley) %G%
+ *     @(#)pk.h        7.5 (Berkeley) %G%

  */
 
 /*
  */
 
 /*


@@ -111,6 +111,10 @@ struct data_packet {
 #define PR(xp)         (((struct data_packet *)&xp -> packet_type)->pr)
 #define PS(xp)         (((struct data_packet *)&xp -> packet_type)->ps)
 #define MBIT(xp)       (((struct data_packet *)&xp -> packet_type)->m_bit)
 #define PR(xp)         (((struct data_packet *)&xp -> packet_type)->pr)
 #define PS(xp)         (((struct data_packet *)&xp -> packet_type)->ps)
 #define MBIT(xp)       (((struct data_packet *)&xp -> packet_type)->m_bit)

+#define LCN(xp)                (xp -> logical_channel_number + \
+       (xp -> lc_group_number ? (xp -> lc_group_number >> 8) : 0))
+#define SET_LCN(xp, lcn) ((xp -> logical_channel_number = lcn), \
+       (xp -> lc_group_number = lcn > 255 ? lcn >> 8 : 0))

 
 struct x25_packet *pk_template ();
 
 
 struct x25_packet *pk_template ();