This patch allows for highly extended frequency settings for Atheros wifi cards.
I have tested and confirmed the frequencies as best as I can. Monitoring should be
safe, but transmitting will most likely lead to the fcc paying you a vist. I have
done all I can to stop you from accidently getting in trouble, the rest is up to
you. -ZC
-----------------------------------------------------------------------------------
diff -Naur linux-2.6.27-gentoo-r2/drivers/net/wireless/ath5k/ath5k.h linux-2.6.27-gentoo-r2-afc/drivers/net/wireless/ath5k/ath5k.h
--- linux-2.6.27-gentoo-r2/drivers/net/wireless/ath5k/ath5k.h 2008-10-09 18:13:53.000000000 -0400
+++ linux-2.6.27-gentoo-r2-afc/drivers/net/wireless/ath5k/ath5k.h 2008-11-12 23:19:12.000000000 -0500
@@ -23,7 +23,7 @@
* long and results timeouts). It's also illegal to tune to some of the
* supported frequencies in some countries, so use this at your own risk,
* you've been warned. */
-#define CHAN_DEBUG 0
+#define CHAN_DEBUG 1
#include <linux/io.h>
#include <linux/types.h>
diff -Naur linux-2.6.27-gentoo-r2/drivers/net/wireless/ath5k/base.c linux-2.6.27-gentoo-r2-afc/drivers/net/wireless/ath5k/base.c
--- linux-2.6.27-gentoo-r2/drivers/net/wireless/ath5k/base.c 2008-10-09 18:13:53.000000000 -0400
+++ linux-2.6.27-gentoo-r2-afc/drivers/net/wireless/ath5k/base.c 2008-11-12 23:19:12.000000000 -0500
@@ -217,7 +217,7 @@
static void ath5k_detach(struct pci_dev *pdev,
struct ieee80211_hw *hw);
/* Channel/mode setup */
-static inline short ath5k_ieee2mhz(short chan);
+static inline short ath5k_ieee2mhz(int chan, unsigned int chfreq);
static unsigned int ath5k_copy_rates(struct ieee80211_rate *rates,
const struct ath5k_rate_table *rt,
unsigned int max);
@@ -804,12 +804,15 @@
* Convert IEEE channel number to MHz frequency.
*/
static inline short
-ath5k_ieee2mhz(short chan)
+ath5k_ieee2mhz(int chan, unsigned int chfreq)
{
- if (chan <= 14 || chan >= 27)
- return ieee80211chan2mhz(chan);
+ if (chfreq == CHANNEL_5GHZ)
+ return (chan + 1000) * 5;
else
- return 2212 + chan * 20;
+ if (chan <= 14 || chan >= 27)
+ return ieee80211chan2mhz(chan);
+ else
+ return 2212 + chan * 20;
}
static unsigned int
@@ -839,7 +842,8 @@
unsigned int mode,
unsigned int max)
{
- unsigned int i, count, size, chfreq, freq, ch;
+ unsigned int i, count, size, chfreq, freq;
+ int ch;
if (!test_bit(mode, ah->ah_modes))
return 0;
@@ -847,14 +851,17 @@
switch (mode) {
case AR5K_MODE_11A:
case AR5K_MODE_11A_TURBO:
- /* 1..220, but 2GHz frequencies are filtered by check_channel */
- size = 220 ;
+ /* -16..220 */
+ size = 241 ;
+ ch = -40;
chfreq = CHANNEL_5GHZ;
break;
case AR5K_MODE_11B:
case AR5K_MODE_11G:
case AR5K_MODE_11G_TURBO:
- size = 26;
+ /* -19..26 */
+ size = 70;
+ ch = -42;
chfreq = CHANNEL_2GHZ;
break;
default:
@@ -862,9 +869,8 @@
return 0;
}
- for (i = 0, count = 0; i < size && max > 0; i++) {
- ch = i + 1 ;
- freq = ath5k_ieee2mhz(ch);
+ for (i = 0, count = 0; i < size && max > 0; i++,ch++) {
+ freq = ath5k_ieee2mhz(ch,chfreq);
/* Check if channel is supported by the chipset */
if (!ath5k_channel_ok(ah, freq, chfreq))
diff -Naur linux-2.6.27-gentoo-r2/drivers/net/wireless/ath5k/base.h linux-2.6.27-gentoo-r2-afc/drivers/net/wireless/ath5k/base.h
--- linux-2.6.27-gentoo-r2/drivers/net/wireless/ath5k/base.h 2008-10-09 18:13:53.000000000 -0400
+++ linux-2.6.27-gentoo-r2-afc/drivers/net/wireless/ath5k/base.h 2008-11-12 23:27:26.000000000 -0500
@@ -51,8 +51,8 @@
#include "debug.h"
#define ATH_RXBUF 40 /* number of RX buffers */
-#define ATH_TXBUF 200 /* number of TX buffers */
-#define ATH_BCBUF 1 /* number of beacon buffers */
+#define ATH_TXBUF 0 /* number of TX buffers */
+#define ATH_BCBUF 0 /* number of beacon buffers */
struct ath5k_buf {
struct list_head list;
diff -Naur linux-2.6.27-gentoo-r2/drivers/net/wireless/ath5k/hw.c linux-2.6.27-gentoo-r2-afc/drivers/net/wireless/ath5k/hw.c
--- linux-2.6.27-gentoo-r2/drivers/net/wireless/ath5k/hw.c 2008-10-09 18:13:53.000000000 -0400
+++ linux-2.6.27-gentoo-r2-afc/drivers/net/wireless/ath5k/hw.c 2008-11-12 23:21:29.000000000 -0500
@@ -2319,8 +2319,9 @@
*/
if (AR5K_EEPROM_HDR_11A(ee_header)) {
- ah->ah_capabilities.cap_range.range_5ghz_min = 5005; /* 4920 */
- ah->ah_capabilities.cap_range.range_5ghz_max = 6100;
+ ah->ah_capabilities.cap_range.range_5ghz_min = 4800; /* 4920 */
+ ah->ah_capabilities.cap_range.range_5ghz_max = 6000; /* 6100 is what the code said but */
+ /* it fried one of my cards */
/* Set supported modes */
__set_bit(AR5K_MODE_11A,
@@ -2336,8 +2337,8 @@
* connected */
if (AR5K_EEPROM_HDR_11B(ee_header) ||
AR5K_EEPROM_HDR_11G(ee_header)) {
- ah->ah_capabilities.cap_range.range_2ghz_min = 2412; /* 2312 */
- ah->ah_capabilities.cap_range.range_2ghz_max = 2732;
+ ah->ah_capabilities.cap_range.range_2ghz_min = 2192; /* 2312 */
+ ah->ah_capabilities.cap_range.range_2ghz_max = 2737; /* 2732 */
if (AR5K_EEPROM_HDR_11B(ee_header))
__set_bit(AR5K_MODE_11B,
@@ -2379,24 +2380,6 @@
ATH5K_TRACE(ah->ah_sc);
switch (ah->ah_op_mode) {
- case IEEE80211_IF_TYPE_IBSS:
- pcu_reg |= AR5K_STA_ID1_ADHOC | AR5K_STA_ID1_DESC_ANTENNA |
- (ah->ah_version == AR5K_AR5210 ?
- AR5K_STA_ID1_NO_PSPOLL : 0);
- beacon_reg |= AR5K_BCR_ADHOC;
- break;
-
- case IEEE80211_IF_TYPE_AP:
- pcu_reg |= AR5K_STA_ID1_AP | AR5K_STA_ID1_RTS_DEF_ANTENNA |
- (ah->ah_version == AR5K_AR5210 ?
- AR5K_STA_ID1_NO_PSPOLL : 0);
- beacon_reg |= AR5K_BCR_AP;
- break;
-
- case IEEE80211_IF_TYPE_STA:
- pcu_reg |= AR5K_STA_ID1_DEFAULT_ANTENNA |
- (ah->ah_version == AR5K_AR5210 ?
- AR5K_STA_ID1_PWR_SV : 0);
case IEEE80211_IF_TYPE_MNTR:
pcu_reg |= AR5K_STA_ID1_DEFAULT_ANTENNA |
(ah->ah_version == AR5K_AR5210 ?
diff -Naur linux-2.6.27-gentoo-r2/net/wireless/reg.c linux-2.6.27-gentoo-r2-afc/net/wireless/reg.c
--- linux-2.6.27-gentoo-r2/net/wireless/reg.c 2008-10-09 18:13:53.000000000 -0400
+++ linux-2.6.27-gentoo-r2-afc/net/wireless/reg.c 2008-11-12 23:23:53.000000000 -0500
@@ -70,6 +70,22 @@
RANGE_PWR(5745, 5825, 30, 6, 0),
};
+static const struct ieee80211_channel_range ieee80211_DEBUG_channels[] = {
+/*
+ * WARNING: These values are strictly based on my own limited testing.
+ * This does not seem to damage MY cards in the limited time I was testing.
+ * Monitor mode tuning of these channels *should* be 100% safe, however,
+ * ANY transmissions may not only permanently damage your card, it may also
+ * bring the feds down on you.
+ *
+ */
+ /* IEEE 802.11b/g, channels -42..26 */
+ RANGE_PWR(2192, 2732, 1, 6, 0),
+ /* IEEE 802.11a, channels -40..240, outdoor */
+ RANGE_PWR(4800, 6000, 1, 6, 0),
+};
+
+
static const struct ieee80211_channel_range ieee80211_JP_channels[] = {
/* IEEE 802.11b/g, channels 1..14 */
RANGE_PWR(2412, 2484, 20, 6, 0),
@@ -108,6 +124,7 @@
REGDOM(US),
REGDOM(JP),
REGDOM(EU),
+ REGDOM(DEBUG),
};
