Johannes Berg wrote:
On Fri, 2006-06-09 at 10:31 -0500, Larry Finger wrote:
Do you mean a special dump, or is the kernel debug output and wpa_supplicant
debug output sufficient?
I was thinking of packet dumps but earlier you said you couldn't create
any so I'm out of ideas for now.
I was finally able to get my second laptop running with bcm43xx so I could get packet dumps. When I
analyzed them, the Association Response packet contained the following information:
"Association denied due to requesting station not supporting short preamble
operation (0x0013)"
I think this is a bug in the code on my WRT54G V5 and I will report it to Linksys; however, in the
meantime, I am able to connect using the following _ugly_ hack to softmac_assoc_req and
softmac_reassoc_req:
diff --git a/net/ieee80211/softmac/ieee80211softmac_io.c
b/net/ieee80211/softmac/ieee80211softmac_io.c
index cc6cd56..a1d0c10 100644
--- a/net/ieee80211/softmac/ieee80211softmac_io.c
+++ b/net/ieee80211/softmac/ieee80211softmac_io.c
@@ -199,6 +199,8 @@ ieee80211softmac_assoc_req(struct ieee80
(*pkt)->capability |= mac->ieee->short_slot ?
cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT_TIME) : 0;
*/
+ /* add short preamble operation capability */
+ (*pkt)->capability |= cpu_to_le16(WLAN_CAPABILITY_SHORT_PREAMBLE);
(*pkt)->capability |= mac->ieee->sec.level ?
cpu_to_le16(WLAN_CAPABILITY_PRIVACY) : 0;
/* Fill in Listen Interval (?) */
(*pkt)->listen_interval = cpu_to_le16(10);
@@ -247,6 +249,8 @@ ieee80211softmac_reassoc_req(struct ieee
(*pkt)->capability |= mac->ieee->short_slot ?
cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT_TIME) : 0;
*/
+ /* add short preamble operation capability */
+ (*pkt)->capability |= cpu_to_le16(WLAN_CAPABILITY_SHORT_PREAMBLE);
(*pkt)->capability |= mac->ieee->sec.level ?
cpu_to_le16(WLAN_CAPABILITY_PRIVACY) : 0;
I expect that softmac should be listening to the driver as to whether this capability is available;
however, I'm now up and running once again.
Larry
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