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Fix the warning
drivers/net/wireless/ath/ath6kl/htc_pipe.c: In function
'ath6kl_htc_pipe_conn_service':
drivers/net/wireless/ath/ath6kl/htc_pipe.c:1293:26: warning: integer overflow
in expression [-Woverflow]
by giving a hint to compiler about unsigned nature of
HTC_CONN_FLGS_SET_RECV_ALLOC_MASK
Signed-off-by: Vladimir Murzin <murzin.v@gmail.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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This is needed for USB.
Based on code by Kevin Fang.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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In preparation for adding HTC pipe implementation add htc-ops.h to make
it possible dynamically choose which HTC type is used.
Needed for full USB support.
Based on the code by Ray Chen <raychen@qca.qualcomm.com>.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Signed-off-by: Ray Chen <raychen@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Void pointers are bad.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Needed by the USB code.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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It's also needed by the USB code.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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This is needed by the USB code. Also while at it replace one void pointer
with a properly typed pointer.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Also fixes quite a few checkpatch warnings like this:
ath6kl/hif.h:226: CHECK: spinlock_t definition without comment
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Tx packets will begin to drop when there are multiple traffic priorities
and the current traffic is not the highest priority and the remaining
cookies drop below a certain number, which is fixed for all AC. It is
possilbe that lower priority AC have more traffic which will consume
more cookies and lock out higher priority AC from having any. Assign
each endpoint (AC) with a different Tx-packet-drop threshold so lower
priority AC is more likely to drop packets and the cookies become more
available to higher priority AC.
Signed-off-by: Chilam Ng <chilamng@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Tx bundling is the more efficient use of SDIO bus and allows more packet
transfers with fewer bus transactions, and is a way to improve overall
throughput. However, Tx bundling has only 4 scatter request resources available.
When there are multiple traffic streams of different priorities, it's possible
that lower priority traffic may hog all the scatter requests and lock out the
higher prioirty traffic from bundling.
Tx bundling is now enabled per AC. When an AC do a scatter request and
the remaining scatter request resources is lower than a configurable
threshold, it will disable Tx bundling for all AC's of lower priorities.
When an AC has Tx bundling disabled and has no Tx bundles sent in a
consecutive and configurable number of packets, Tx bundling will be re-enabled
for that AC.
Signed-off-by: Chilam Ng <chilamng@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Update license header with the copyright to Qualcomm Atheros, Inc.
for the year 2011-2012.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Not all credit functions used that prefix, fix that.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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As htc is the only user there's no reason to keep it in main.c.
No functional changes.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Also rename cred_dist_cntxt to credit_info in struct htc_target.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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No need to use void pointer here.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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ath6kl_htc_rxmsg_pending_handler()
It is just a four byte information of the received message
from ath6kl_htc_rxmsg_pending_handler(). Remove unnecessary
array representaion.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Stephen reported that compilation fails if both ath6kl and ath9k are
compiled in:
drivers/net/wireless/ath/ath6kl/built-in.o: In function `htc_start':
(.opd+0x600): multiple definition of `htc_start'
drivers/net/wireless/ath/ath9k/built-in.o:(.opd+0x3e40): first defined here
drivers/net/wireless/ath/ath6kl/built-in.o: In function `.htc_stop':
(.text+0x7b40): multiple definition of `.htc_stop'
drivers/net/wireless/ath/ath9k/built-in.o:(.text+0x67b34): first defined he=
re
drivers/net/wireless/ath/ath6kl/built-in.o: In function `.htc_start':
(.text+0x7d18): multiple definition of `.htc_start'
drivers/net/wireless/ath/ath9k/built-in.o:(.text+0x67ba0): first defined he=
re
drivers/net/wireless/ath/ath6kl/built-in.o: In function `htc_stop':
(.opd+0x5e8): multiple definition of `htc_stop'
drivers/net/wireless/ath/ath9k/built-in.o:(.opd+0x3e28): first defined here
To fix this add ath6kl prefix to all public functions in htc.c.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Last May we started working on cleaning up ath6kl driver which is
currently in staging. The work has happened in a separate
ath6kl-cleanup tree:
http://git.kernel.org/?p=linux/kernel/git/kvalo/ath6kl-cleanup.git;a=summary
After over 1100 (!) patches we have now reached a state where I would
like to start discussing about pushing the driver to the wireless
trees and replacing the staging driver.
The driver is now a lot smaller and looks like a proper Linux driver.
The size of the driver (measured with simple wc -l) dropped from 49
kLOC to 18 kLOC and the number of the .c and .h files dropped from 107
to 22. Most importantly the number of subdirectories reduced from 26
to zero :)
There are two remaining checkpatch warnings in the driver which we
decided to omit for now:
drivers/net/wireless/ath/ath6kl/debug.c:31:
WARNING: printk() should include KERN_ facility level
drivers/net/wireless/ath/ath6kl/sdio.c:527:
WARNING: msleep < 20ms can sleep for up to 20ms;
see Documentation/timers/timers-howto.txt
The driver has endian annotations for all the hardware specific
structures and there are no sparse errors. Unfortunately I don't have
any big endian hardware to test that right now.
We have been testing the driver both on x86 and arm platforms. The
code is also compiled with sparc and parisc cross compilers.
Notable missing features compared to the current staging driver are:
o HCI over SDIO support
o nl80211 testmode
o firmware logging
o suspend support
Testmode, firmware logging and suspend support will be added soon. HCI
over SDIO support will be more difficult as the HCI driver needs to
share code with the wifi driver. This is something we need to research
more.
Also I want to point out the changes I did for signed endian support.
As I wasn't able to find any support for signed endian annotations I
decided to follow what NTFS has done and added my own. Grep for sle16
and sle32, especially from wmi.h.
Various people have been working on the cleanup, the hall of
fame based on number of patches is:
543 Vasanthakumar Thiagarajan
403 Raja Mani
252 Kalle Valo
16 Vivek Natarajan
12 Suraj Sumangala
3 Joe Perches
2 Jouni Malinen
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Raja Mani <rmani@qca.qualcomm.com>
Signed-off-by: Vivek Natarajan <nataraja@qca.qualcomm.com>
Signed-off-by: Suraj Sumangala <surajs@qca.qualcomm.com>
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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