> On Mar 18, 2015, at 10:05 PM, Ian Kent wrote:
>
> On Wed, 2015-03-18 at 21:40 -0600, Pat Fruth wrote:
>> This patch addresses an issue specific to Apple devices experiencing a
>> wireless disconnect when trying to associate with either 2.4Ghz or 5Ghz wifi
>> of a Linksys WRT1900AC router.
>> Apple devices (MacBooks running Mac OS X 10.10.x Yosemite in particular, but
>> there may be others), appear to re-auth/re-associate within approximately 25
>> seconds of initially associating.
>> Evidence of this can be seen by the presence of an entry similar to the
>> following in the Apple system logs;
>> MM/DD/YY HH:MM:SS.sss AM kernel[0]: wl0: Roamed or switched channel,
>> reason #8, bssid xx:xx:xx:xx:xx:xx
>> The Marvell wifi driver doesn’t generate a NL80211_CMD_FRAME_TX_STATUS event
>> on transmitting a response to auth and/or reassociate requests. Thus, the
>> respective callback handler functions (in hostapd’s ieee802_11.c) never get
>> driven, ultimately leading to the problem.
>> The patch causes a TX_STATUS event to be generated for auth and reassociate
>> request’s responses, in addition to associate request’s responses.
>>
>> Signed-off-by: Pat Fruth
>> ---
>> .../mwlwifi/patches/002_TX-STATUS-for-reassoc-auth.patch | 14
>> ++
>> 1 file changed, 14 insertions(+)
>> create mode 100644
>> package/kernel/mwlwifi/patches/002_TX-STATUS-for-reassoc-auth.patch
>>
>> diff --git
>> a/package/kernel/mwlwifi/patches/002_TX-STATUS-for-reassoc-auth.patch
>> b/package/kernel/mwlwifi/patches/002_TX-STATUS-for-reassoc-auth.patch
>> new file mode 100644
>> index 000..5f0d7fb
>> --- /dev/null
>> +++ b/package/kernel/mwlwifi/patches/002_TX-STATUS-for-reassoc-auth.patch
>> @@ -0,0 +1,14 @@
>> +--- a/mwl_tx.c
>> b/mwl_tx.c
>> +@@ -395,7 +395,10 @@ void mwl_tx_done(unsigned long data)
>> +
>> +tr = (struct mwl_dma_data *)done_skb->data;
>> +
>> +- if
>> (ieee80211_is_assoc_resp(tr->wh.frame_control)) {
>> ++ // if
>> (ieee80211_is_assoc_resp(tr->wh.frame_control)) {
>> ++ if
>> (ieee80211_is_assoc_resp(tr->wh.frame_control) ||
>> ++
>> ieee80211_is_reassoc_resp(tr->wh.frame_control) ||
>> ++ ieee80211_is_auth(tr->wh.frame_control)) {
>> +
>> +/* Remove H/W dma header
>> + */
>
> I don't think there's anything to be gained by commenting out the
> original line. It only adds extra noise and the change that's been made
> is evident from the log.
>
> Ian
>
Thanks Ian.
Fair enough.
Here’s the patch, this time without the commented line of code.
Signed-off-by: Pat Fruth
---
.../mwlwifi/patches/002_TX-STATUS-for-reassoc-auth.patch| 13 +
1 file changed, 13 insertions(+)
create mode 100644
package/kernel/mwlwifi/patches/002_TX-STATUS-for-reassoc-auth.patch
diff --git
a/package/kernel/mwlwifi/patches/002_TX-STATUS-for-reassoc-auth.patch
b/package/kernel/mwlwifi/patches/002_TX-STATUS-for-reassoc-auth.patch
new file mode 100644
index 000..f454cc5
--- /dev/null
+++ b/package/kernel/mwlwifi/patches/002_TX-STATUS-for-reassoc-auth.patch
@@ -0,0 +1,13 @@
+--- a/mwl_tx.c
b/mwl_tx.c
+@@ -395,7 +395,9 @@ void mwl_tx_done(unsigned long data)
+
+ tr = (struct mwl_dma_data *)done_skb->data;
+
+- if
(ieee80211_is_assoc_resp(tr->wh.frame_control)) {
++ if
(ieee80211_is_assoc_resp(tr->wh.frame_control) ||
++
ieee80211_is_reassoc_resp(tr->wh.frame_control) ||
++ ieee80211_is_auth(tr->wh.frame_control)) {
+
+ /* Remove H/W dma header
+ */
--
1.9.1
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