patch-2.2.11 linux/drivers/net/wavelan.h

• Lines: 35
• Date: Mon Aug 9 12:04:57 1999
• Orig file: v2.2.10/linux/drivers/net/wavelan.h
• Orig date: Wed Mar 10 16:51:35 1999

diff -u --recursive --new-file v2.2.10/linux/drivers/net/wavelan.h linux/drivers/net/wavelan.h
@@ -19,6 +19,8 @@
 #ifndef _WAVELAN_H
 #define	_WAVELAN_H
 
+/************************** MAGIC NUMBERS ***************************/
+
 /* Detection of the WaveLAN card is done by reading the MAC
  * address from the card and checking it.  If you have a non-AT&T
  * product (OEM, like DEC RoamAbout, Digital Ocean, or Epson),
@@ -38,6 +40,25 @@
 #define WAVELAN_MTU		1500	/* Maximum size of WaveLAN packet */
 
 #define	MAXDATAZ		(WAVELAN_ADDR_SIZE + WAVELAN_ADDR_SIZE + 2 + WAVELAN_MTU)
+
+/*
+ * Constants used to convert channels to frequencies
+ */
+
+/* Frequency available in the 2.0 modem, in units of 250 kHz
+ * (as read in the offset register of the dac area).
+ * Used to map channel numbers used by `wfreqsel' to frequencies
+ */
+const short	channel_bands[] = { 0x30, 0x58, 0x64, 0x7A, 0x80, 0xA8,
+				    0xD0, 0xF0, 0xF8, 0x150 };
+
+/* Frequencies of the 1.0 modem (fixed frequencies).
+ * Use to map the PSA `subband' to a frequency
+ * Note : all frequencies apart from the first one need to be multiplied by 10
+ */
+const int	fixed_bands[] = { 915e6, 2.425e8, 2.46e8, 2.484e8, 2.4305e8 };
+
+
 
 /*************************** PC INTERFACE ****************************/