nexmon – Rev 1
?pathlinks?
diff -Naur linux-2.6.28/drivers/net/wireless/ath5k/base.c linux-2.6.28-chaos/drivers/net/wireless/ath5k/base.c
--- linux-2.6.28/drivers/net/wireless/ath5k/base.c 2008-12-24 18:26:37.000000000 -0500
+++ linux-2.6.28-chaos/drivers/net/wireless/ath5k/base.c 2009-02-06 21:38:43.000000000 -0500
@@ -272,7 +272,7 @@
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_channels(struct ath5k_hw *ah,
struct ieee80211_channel *channels,
unsigned int mode,
@@ -848,12 +848,16 @@
* 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;
+// XXX: This part needs to be fixed
+ if (chan <= 14 || chan >= 27)
+ return ieee80211chan2mhz(chan);
+ else
+ return 2212 + chan * 20;
}
static unsigned int
@@ -862,22 +866,25 @@
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;
switch (mode) {
+ /* I don't even like channel numbers */
case AR5K_MODE_11A:
case AR5K_MODE_11A_TURBO:
- /* 1..220, but 2GHz frequencies are filtered by check_channel */
- size = 220 ;
+ size = 241 ; // going over 6.0GHz may be dangerous so I am limiting it
+ ch = -40; // might be able to push this to -201 or so, needs more testing
chfreq = CHANNEL_5GHZ;
break;
case AR5K_MODE_11B:
case AR5K_MODE_11G:
case AR5K_MODE_11G_TURBO:
- size = 26;
+ size = 70;
+ ch = -43;
chfreq = CHANNEL_2GHZ;
break;
default:
@@ -885,9 +892,8 @@
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-2.6.28/drivers/net/wireless/ath5k/base.h linux-2.6.28-chaos/drivers/net/wireless/ath5k/base.h
--- linux-2.6.28/drivers/net/wireless/ath5k/base.h 2008-12-24 18:26:37.000000000 -0500
+++ linux-2.6.28-chaos/drivers/net/wireless/ath5k/base.h 2009-02-06 21:38:43.000000000 -0500
@@ -93,11 +93,7 @@
};
-#if CHAN_DEBUG
-#define ATH_CHAN_MAX (26+26+26+200+200)
-#else
-#define ATH_CHAN_MAX (14+14+14+252+20)
-#endif
+#define ATH_CHAN_MAX (70+70+70+240+240) // b+g+gT+a+aT XXX: This is probably excessive
/* Software Carrier, keeps track of the driver state
* associated with an instance of a device */
diff -Naur linux-2.6.28/drivers/net/wireless/ath5k/caps.c linux-2.6.28-chaos/drivers/net/wireless/ath5k/caps.c
--- linux-2.6.28/drivers/net/wireless/ath5k/caps.c 2008-12-24 18:26:37.000000000 -0500
+++ linux-2.6.28-chaos/drivers/net/wireless/ath5k/caps.c 2009-02-06 21:38:43.000000000 -0500
@@ -69,9 +69,9 @@
if (AR5K_EEPROM_HDR_11A(ee_header)) {
/* 4920 */
- ah->ah_capabilities.cap_range.range_5ghz_min = 5005;
- ah->ah_capabilities.cap_range.range_5ghz_max = 6100;
-
+ ah->ah_capabilities.cap_range.range_5ghz_min = 4800;
+ ah->ah_capabilities.cap_range.range_5ghz_max = 6000; /* 6100 is what the code said but */
+ /* it fried my Ubiquiti SRC */
/* Set supported modes */
__set_bit(AR5K_MODE_11A,
ah->ah_capabilities.cap_mode);
@@ -87,7 +87,7 @@
if (AR5K_EEPROM_HDR_11B(ee_header) ||
AR5K_EEPROM_HDR_11G(ee_header)) {
/* 2312 */
- ah->ah_capabilities.cap_range.range_2ghz_min = 2412;
+ ah->ah_capabilities.cap_range.range_2ghz_min = 2192; /* this is the bottom of the registers */
ah->ah_capabilities.cap_range.range_2ghz_max = 2732;
if (AR5K_EEPROM_HDR_11B(ee_header))
diff -Naur linux-2.6.28/net/mac80211/tx.c linux-2.6.28-chaos/net/mac80211/tx.c
--- linux-2.6.28/net/mac80211/tx.c 2008-12-24 18:26:37.000000000 -0500
+++ linux-2.6.28-chaos/net/mac80211/tx.c 2009-02-06 21:38:53.000000000 -0500
@@ -1378,10 +1378,32 @@
struct net_device *dev)
{
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_channel *chan = local->hw.conf.channel;
struct ieee80211_radiotap_header *prthdr =
(struct ieee80211_radiotap_header *)skb->data;
u16 len_rthdr;
+ /*
+ * Frame injection is not allowed if beaconing is not allowed
+ * or if we need radar detection. Beaconing is usually not allowed when
+ * the mode or operation (Adhoc, AP, Mesh) does not support DFS.
+ * Passive scan is also used in world regulatory domains where
+ * your country is not known and as such it should be treated as
+ * NO TX unless the channel is explicitly allowed in which case
+ * your current regulatory domain would not have the passive scan
+ * flag.
+ *
+ * Since AP mode uses monitor interfaces to inject/TX management
+ * frames we can make AP mode the exception to this rule once it
+ * supports radar detection as its implementation can deal with
+ * radar detection by itself. We can do that later by adding a
+ * monitor flag interfaces used for AP support.
+ */
+ if ((chan->flags & (IEEE80211_CHAN_NO_IBSS | IEEE80211_CHAN_RADAR |
+ IEEE80211_CHAN_PASSIVE_SCAN)))
+ return TX_DROP;
+ /* This was intended for the kernel patch but it didn't work; goto fail; */
+
/* check for not even having the fixed radiotap header part */
if (unlikely(skb->len < sizeof(struct ieee80211_radiotap_header)))
goto fail; /* too short to be possibly valid */