OSDN Git Service
Larry Finger [Tue, 6 Jan 2015 15:58:05 +0000 (09:58 -0600)]
rtlwifi: rtl8188ee: Convert driver to use the common DM table init routine
The previous patch created a routine in rtlwifi to initialize dm_digtable.
Driver rtl8188ee is converted to use that routine.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Larry Finger [Tue, 6 Jan 2015 15:58:04 +0000 (09:58 -0600)]
rtlwifi: Create new routine to initialize the DM tables
Each of the drivers contains a routine that initializes the dm_digtable
member of the driver's private area. As a first step toward reducing the
size of the drivers, a copy of this driver is created in rtlwifi, and the
definitions of the parameters are moved there.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Larry Finger [Tue, 6 Jan 2015 15:58:03 +0000 (09:58 -0600)]
rtlwifi: rtl8723be: Improve modinfo output
The description of the power-save variables for this driver is not as
clear as for the others. The wording is changed to match the others.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Larry Finger [Tue, 6 Jan 2015 15:58:02 +0000 (09:58 -0600)]
rtlwifi: Unify variable naming for all drivers
Some drivers refer to a particular quantity in the driver's private
are by one name, while others use a different name. These differences
are removed.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Arend van Spriel [Tue, 6 Jan 2015 22:02:54 +0000 (23:02 +0100)]
brcmfmac: get rid of duplicate SDIO device identifiers
Instead of defining SDIO device identifier in brcm80211 code use
the defintions in linux/mmc/sdio_ids.h directly.
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Eliad Peller [Mon, 29 Dec 2014 06:24:13 +0000 (08:24 +0200)]
wl18xx: declare radar_detect_widths support for ap interfaces
After having all the dfs infrastructure in place, declare
radar_detect_widths support for the ap interfaces combination.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Guy Mishol [Mon, 29 Dec 2014 06:24:12 +0000 (08:24 +0200)]
wlcore: add dfs region to reg domain update cmd
Add dfs region to the reg domain channel update command.
Signed-off-by: Guy Mishol <guym@ti.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Eliad Peller [Mon, 29 Dec 2014 06:24:11 +0000 (08:24 +0200)]
wlcore: allow using dfs channels
Since we are going to support dfs channels, there
is no reason to mark them as NO_IR (having
the DFS flag is enough anyway).
Additionally, when setting the regdomain configuration,
enable usable dfs channels.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Eliad Peller [Mon, 29 Dec 2014 06:24:10 +0000 (08:24 +0200)]
wlcore: add dfs master restart calls
call wlcore_cmd_dfs_master_restart when starting
the ap on a new channel (after csa is done).
Add a new WLVIF_FLAG_BEACON_DISABLED flag to
indicate that dfs_master_restart command
is required.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Eliad Peller [Mon, 29 Dec 2014 06:24:09 +0000 (08:24 +0200)]
wlcore: add support for ap csa
Support ap csa support by implementing the channel_switch_beacon()
mac80211 op.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Eliad Peller [Mon, 29 Dec 2014 06:24:08 +0000 (08:24 +0200)]
wl18xx: add debugfs file to emulate radar event
Add debugfs file to emulate radar detection through
a special fw cmd (which in turn will generate radar
event)
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Eliad Peller [Mon, 29 Dec 2014 06:24:07 +0000 (08:24 +0200)]
wl18xx: add radar detection implementation
Add support for CAC start/stop commands, and pass
radar detection events from the fw to mac80211.
Bump fw name (to wl18xx-fw-4.bin) and min fw version
(to 8.9.*.*.11), and align event mailbox accordingly.
Signed-off-by: Guy Mishol <guym@ti.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Kobi L [Mon, 29 Dec 2014 06:24:06 +0000 (08:24 +0200)]
wlcore: enable sleep during AP mode operation
Enable ELP authorization in AP mode and enable the use
of the wakeup bit in the ELP register.
Introduce AP role sleep configuration which is disabled
by default. When configured, it allows the AP to sleep
when ELP is authorized for it.
Signed-off-by: Kobi Leibovitch <kobi.lev100@gmail.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Eliad Peller [Mon, 29 Dec 2014 06:24:05 +0000 (08:24 +0200)]
wlcore: enable AP wowlan
configure wowlan when host is suspended in AP mode,
since the FW can now wake the host up on Rx.
Signed-off-by: Kobi Leibovitch <kobi.lev100@gmail.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Ram Amrani [Mon, 29 Dec 2014 06:24:04 +0000 (08:24 +0200)]
wlcore: add ability to reduce FW interrupts during suspend
Add the ability to mask FW interrupts on RX BA activity, PSM
entry/exit and fast-link notifications. This is used when the host
is suspended in order to decrease redundant wake ups.
Signed-off-by: Ram Amrani <ramrani@ti.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Eliad Peller [Mon, 29 Dec 2014 06:24:03 +0000 (08:24 +0200)]
wlcore/wl18xx: handle rc updates in a separate work
sta_rc_update runs in atomic context. thus, a new work
should be scheduled in order to configure the fw
with the required configuration.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Eliad Peller [Mon, 29 Dec 2014 06:24:02 +0000 (08:24 +0200)]
wlcore: fix sparse warning
Use kstrtoul_from_user() for reading the user value,
and fix the following sparse warning:
drivers/net/wireless/ti/wlcore/debugfs.c:937:15: error: incompatible
types in comparison expression (different type sizes)
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Eliad Peller [Mon, 29 Dec 2014 06:24:01 +0000 (08:24 +0200)]
wlcore: fix WLCORE_VENDOR_ATTR_GROUP_KEY policy
The attribute type is binary data (with max length).
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Julia Lawall [Fri, 26 Dec 2014 14:35:58 +0000 (15:35 +0100)]
mwifiex: tdls: Use setup_timer
Convert a call to init_timer and accompanying intializations of
the timer's data and function fields to a call to setup_timer.
A simplified version of the semantic match that fixes this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
expression t,f,d;
@@
-init_timer(&t);
+setup_timer(&t,f,d);
-t.function = f;
-t.data = d;
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Julia Lawall [Fri, 26 Dec 2014 14:35:57 +0000 (15:35 +0100)]
mwifiex: 11n_rxreorder: Use setup_timer
Convert a call to init_timer and accompanying intializations of
the timer's data and function fields to a call to setup_timer.
A simplified version of the semantic match that fixes this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
expression t,f,d;
@@
-init_timer(&t);
+setup_timer(&t,f,d);
-t.function = f;
-t.data = d;
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Julia Lawall [Fri, 26 Dec 2014 14:35:56 +0000 (15:35 +0100)]
mwifiex: main: Use setup_timer
Convert a call to init_timer and accompanying intializations of
the timer's data and function fields to a call to setup_timer.
A simplified version of the semantic match that fixes this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
expression t,f,d;
@@
-init_timer(&t);
+setup_timer(&t,f,d);
-t.function = f;
-t.data = d;
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Julia Lawall [Fri, 26 Dec 2014 14:35:55 +0000 (15:35 +0100)]
orinoco_usb: Use setup_timer
Convert a call to init_timer and accompanying intializations of
the timer's data and function fields to a call to setup_timer.
A simplified version of the semantic match that fixes this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
expression t,f,d;
@@
-init_timer(&t);
+setup_timer(&t,f,d);
-t.function = f;
-t.data = d;
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Julia Lawall [Fri, 26 Dec 2014 14:35:49 +0000 (15:35 +0100)]
iwl3945: Use setup_timer
Convert a call to init_timer and accompanying intializations of
the timer's data and function fields to a call to setup_timer.
A simplified version of the semantic match that fixes this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
expression t,f,d;
@@
-init_timer(&t);
+setup_timer(&t,f,d);
-t.data = d;
-t.function = f;
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Julia Lawall [Fri, 26 Dec 2014 14:35:48 +0000 (15:35 +0100)]
iwl4965: Use setup_timer
Convert a call to init_timer and accompanying intializations of
the timer's data and function fields to a call to setup_timer.
A simplified version of the semantic match that fixes this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
expression t,f,d;
@@
-init_timer(&t);
+setup_timer(&t,f,d);
-t.data = d;
-t.function = f;
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Julia Lawall [Fri, 26 Dec 2014 14:35:39 +0000 (15:35 +0100)]
cw1200: queue: Use setup_timer
Convert a call to init_timer and accompanying intializations of
the timer's data and function fields to a call to setup_timer.
A simplified version of the semantic match that fixes this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
expression t,f,d;
@@
-init_timer(&t);
+setup_timer(&t,f,d);
-t.data = d;
-t.function = f;
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Julia Lawall [Fri, 26 Dec 2014 14:35:38 +0000 (15:35 +0100)]
cw1200: main: Use setup_timer
Convert a call to init_timer and accompanying intializations of
the timer's data and function fields to a call to setup_timer.
A simplified version of the semantic match that fixes this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
expression t,f,d;
@@
-init_timer(&t);
+setup_timer(&t,f,d);
-t.data = d;
-t.function = f;
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Julia Lawall [Fri, 26 Dec 2014 14:35:37 +0000 (15:35 +0100)]
wireless: cw1200: Use setup_timer
Convert a call to init_timer and accompanying intializations of
the timer's data and function fields to a call to setup_timer.
A simplified version of the semantic match that fixes this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
expression t,f,d;
@@
-init_timer(&t);
+setup_timer(&t,f,d);
-t.data = d;
-t.function = f;
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Fred Chou [Fri, 26 Dec 2014 08:19:18 +0000 (16:19 +0800)]
rt2x00: use helper to check capability/requirement
Use rt2x00_has_cap_flag macro to check rt2x00dev->cap_flags.
Signed-off-by: Fred Chou <fred.chou.nd@gmail.com>
Acked-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Chen Gang [Wed, 24 Dec 2014 15:08:44 +0000 (23:08 +0800)]
wil6210: use 'uint64_t' instead of 'cycles_t' to avoid warnings
do_div() checks the type strictly. 'cycles_t' may be 32-bit under quite
a few architectures (parisc, arm, avr32 ...). So use 'uint64_t' instead
of, the related warning (with allmodconfig under parisc):
CC [M] drivers/net/wireless/ath/wil6210/debugfs.o
In file included from arch/parisc/include/generated/asm/div64.h:1:0,
from include/linux/kernel.h:124,
from include/linux/list.h:8,
from include/linux/module.h:9,
from drivers/net/wireless/ath/wil6210/debugfs.c:17:
drivers/net/wireless/ath/wil6210/debugfs.c: In function ‘wil_vring_debugfs_show’:
include/asm-generic/div64.h:43:28: warning: comparison of distinct pointer types lacks a cast
(void)(((typeof((n)) *)0) == ((uint64_t *)0)); \
^
drivers/net/wireless/ath/wil6210/debugfs.c:107:4: note: in expansion of macro ‘do_div’
do_div(idle, total);
^
In file included from include/uapi/linux/stddef.h:1:0,
from include/linux/stddef.h:4,
from ./include/uapi/linux/posix_types.h:4,
from include/uapi/linux/types.h:13,
from include/linux/types.h:5,
from include/linux/list.h:4,
from include/linux/module.h:9,
from drivers/net/wireless/ath/wil6210/debugfs.c:17:
include/asm-generic/div64.h:44:18: warning: right shift count >= width of type [-Wshift-count-overflow]
if (likely(((n) >> 32) == 0)) { \
^
include/linux/compiler.h:159:40: note: in definition of macro ‘likely’
# define likely(x) __builtin_expect(!!(x), 1)
^
drivers/net/wireless/ath/wil6210/debugfs.c:107:4: note: in expansion of macro ‘do_div’
do_div(idle, total);
^
In file included from arch/parisc/include/generated/asm/div64.h:1:0,
from include/linux/kernel.h:124,
from include/linux/list.h:8,
from include/linux/module.h:9,
from drivers/net/wireless/ath/wil6210/debugfs.c:17:
include/asm-generic/div64.h:48:22: warning: passing argument 1 of ‘__div64_32’ from incompatible pointer type [-Wincompatible-pointer-types]
__rem = __div64_32(&(n), __base); \
^
drivers/net/wireless/ath/wil6210/debugfs.c:107:4: note: in expansion of macro ‘do_div’
do_div(idle, total);
^
include/asm-generic/div64.h:35:17: note: expected ‘uint64_t * {aka long long unsigned int *}’ but argument is of type ‘cycles_t * {aka long unsigned int *}’
extern uint32_t __div64_32(uint64_t *dividend, uint32_t divisor);
^
Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Maithili Hinge [Wed, 31 Dec 2014 10:36:46 +0000 (02:36 -0800)]
mwifiex: Add support for wowlan disconnect
This patch adds support for wowlan disconnect.
Signed-off-by: Maithili Hinge <maithili@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Maithili Hinge [Wed, 31 Dec 2014 10:36:45 +0000 (02:36 -0800)]
mwifiex: Move code for wowlan magic-packet and patterns to a function
This patch moves code for wowlan magic-packet and patterns to a function
mwifiex_set_mef_filter.
Signed-off-by: Maithili Hinge <maithili@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Amitkumar Karwar [Wed, 31 Dec 2014 10:36:44 +0000 (02:36 -0800)]
mwifiex: Increase priority of firmware download message
When driver is loaded, it is important to know if FW was already
active or it is freshly downloaded. This patch increases the
priority of these messages.
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Amitkumar Karwar [Wed, 31 Dec 2014 10:36:43 +0000 (02:36 -0800)]
mwifiex: do not release lock during list_for_each_entry_safe()
As we are releasing the lock, during next iteration we may end
up getting page fault if other thread has already deleted that
node.
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Amitkumar Karwar [Wed, 31 Dec 2014 10:36:42 +0000 (02:36 -0800)]
mwifiex: wakeup pending wait queues
Wakeup pending wait queues in unload path. This will help to avoid
soft lockup issues in corner cases.
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Amitkumar Karwar [Wed, 31 Dec 2014 10:36:41 +0000 (02:36 -0800)]
mwifiex: add wakeup timer based recovery mechanism
If host fails to wakeup the firmware, we will trigger card reset
after 3 second timeout.
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Marc Yang [Wed, 31 Dec 2014 10:36:40 +0000 (02:36 -0800)]
mwifiex: increase delay during card reset
200ms is the requirement to allow VDD1.1 and VDD1.8 to
drop to have proper reset.
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Marc Yang <yangyang@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Marc Yang [Wed, 31 Dec 2014 10:36:39 +0000 (02:36 -0800)]
mwifiex: Adjust calling place of mwifiex_terminate_workqueue
Workqueue needs to be flushed early when removing card, otherwise
soft lockup issue may happen because main_process is triggered by
interrupt while card is being removed.
Signed-off-by: Marc Yang <yangyang@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Amitkumar Karwar [Wed, 31 Dec 2014 10:36:38 +0000 (02:36 -0800)]
mwifiex: remove redundant flag MWIFIEX_HW_STATUS_FW_READY
This flag is never set but checked at two places. We will get rid of
this code.
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Avinash Patil [Fri, 26 Dec 2014 11:02:34 +0000 (03:02 -0800)]
mwifiex: get supported BA stream info from FW
This patch adds support to get number of BA streams
supported information from FW. Some newer chips(e.g. 8897 series)
support 4 BA streams for TX; so driver should not disallow BA stream
setup just after 2 streams have been established.
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Xinming Hu [Fri, 26 Dec 2014 11:02:33 +0000 (03:02 -0800)]
mwifiex: make tx packet 64 byte DMA aligned
This patch adds support for DMA alignment of 64 bytes for TX packets.
Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Xinming Hu [Fri, 26 Dec 2014 11:02:32 +0000 (03:02 -0800)]
mwifiex: do not send key material cmd when delete wep key
This patch fixes memory corruption reported by community developer.
"Memory corruption occurs in mwifiex_ret_802_11_key_material_v1()
when a short command response is received without a key length
causing non initialised memory to be interpreted as the key
length resulting in a memcpy() overwriting the part of the
driver's private data structure beyond the key area."
For v1 key material API firmwares, there is no need to send
command to delete WEP key. WEP encryption/decryption is controlled
by mac_control command.
This patch avoids sending key material command in del_key case.
Reported-by: Martin Fuzzey <mfuzzey@parkeon.com>
Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Avinash Patil [Fri, 26 Dec 2014 11:02:31 +0000 (03:02 -0800)]
mwifiex: enable -D__CHECK_ENDIAN__ for sparse by default
Enable the endian checks by default.
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Arend van Spriel [Tue, 23 Dec 2014 18:04:23 +0000 (19:04 +0100)]
brcmfmac: Add support for bcm43340/1 wireless chipsets
This patch adds support for the bcm43340 and bcm43341 wireless
chipsets. These two chipsets are identical from wireless parts
perspective. As such they use the same firmware image.
Cc: Samuel Ortiz <sameo@linux.intel.com>
Cc: Rob Herring <rob.herring@linaro.org>
Signed-off-by: John Stultz <john.stultz@linaro.org>
[arend@broadcom.com: squash to single commit, remove 43341 chipid]
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Avinash Patil [Tue, 23 Dec 2014 13:44:12 +0000 (19:14 +0530)]
mwifiex: module parameter for deep sleep configuration
This patch adds module parameter for auto deepsleep configuration.
By default, module_param is 0 and auto deep sleep is enabled.
If mwifiex driver is loaded with disable_auto_ds=1, deep sleep
configuration would not be downloaded to FW and FW would not enter
deepsleep upon initializing.
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Xinming Hu [Tue, 23 Dec 2014 13:44:11 +0000 (19:14 +0530)]
mwifiex: save sdio register values before firmware dump
This patch saves sdio registers value before firmware dump,
this can be used to find out reason for FW dump.
Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Xinming Hu [Tue, 23 Dec 2014 13:44:10 +0000 (19:14 +0530)]
mwifiex: save driver information to file when firmware dump
This patch adds support to dump driver information to a file
when firmware dump happens. This information can be used to
root casue FW crash.
Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Xinming Hu [Tue, 23 Dec 2014 13:44:09 +0000 (19:14 +0530)]
mwifiex: move debug_data dump function to common utililty file
mwifiex_debug_info also need be save to file when firmware dump happens.
Move its dump implementation function to commmon utilility file, thus it
can be reused in firmware dump function.
Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Xinming Hu [Tue, 23 Dec 2014 13:44:08 +0000 (19:14 +0530)]
mwifiex: move pm_wakeup_card_complete definition to usb.c
Move mwifiex_pm_wakeup_card_complete handler to source file.
Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Xinming Hu [Tue, 23 Dec 2014 13:44:07 +0000 (19:14 +0530)]
mwifiex: add rx histogram statistics support
This patch add a new debugfs item histogram used for reporting
rx data packet statitics(rx rate, snr, noise floor, signal strenth)
to userspace.
Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Xinming Hu [Tue, 23 Dec 2014 13:44:06 +0000 (19:14 +0530)]
mwifiex: add bcn_rcv_cnt and bcn_miss_cnt in getlog debugfs
This patch add receive beacon count and miss beacon count statistics
in debugfs getlog item.
Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Xinming Hu [Tue, 23 Dec 2014 13:44:05 +0000 (19:14 +0530)]
mwifiex: report tdls peers in debugfs
This patch add provision to show TDLS peer table in debugfs file.
Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Wolfram Sang [Sun, 21 Dec 2014 21:14:32 +0000 (22:14 +0100)]
ath5k: drop owner assignment from platform_drivers
This platform_driver does not need to set an owner, it will be populated by the
driver core.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Arend van Spriel [Sun, 21 Dec 2014 11:43:53 +0000 (12:43 +0100)]
brcmfmac: enable 802.11d support in firmware
When the driver gets beacon info containing a country IE from user-space
upon .start_ap() callback, it will enable regulatory 802.11d support.
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Hante Meuleman [Sun, 21 Dec 2014 11:43:52 +0000 (12:43 +0100)]
brcmfmac: signal completion of 802.1x.
Use cfg80211 change_station to signal the completion of 802.1x
to firmware. This allows FW to take appropriate actions.
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Arend van Spriel [Sun, 21 Dec 2014 11:43:51 +0000 (12:43 +0100)]
brcmfmac: follow user-space regulatory domain selection
When user-space uses a valid ISO-3166-1 country code for its
regulatory domain selection, the driver will try to configure
the firmware to use the same.
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Hante Meuleman [Sun, 21 Dec 2014 11:43:50 +0000 (12:43 +0100)]
brcmfmac: Change error log in standard log for rxbufpost.
When there is no room in the ring for rxbufpost an error is logged,
however this happens quite frequently and can be considered normal
and is certainly recoverable. This patch changes the erorr into
a normal msgbuf log.
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Hante Meuleman [Sun, 21 Dec 2014 11:43:49 +0000 (12:43 +0100)]
brcmfmac: Fix WEP configuration for AP mode.
When a device is configured for AP mode and it is configured for
WEP then the keys are plumbed first, followed by AP configuration.
During configuration a down command is given to the firmware which
will clear the configured keys. This patch reprograms the WEP keys
after AP has been brought up.
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Arend van Spriel [Sun, 21 Dec 2014 11:43:48 +0000 (12:43 +0100)]
brcmfmac: remove unused/duplicate defines in chip.c
The source file chip.c contained some duplicate defines and
some unused ones. Removing them.
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Hante Meuleman [Sun, 21 Dec 2014 11:43:44 +0000 (12:43 +0100)]
brcmfmac: Fix incorrect casting of 64 bit physical address.
The physical addresses being used by pcie and msgbuf were using
a cast to long, which incorrectly caused it to limit the address
to 32bit. Now explicit u64 is used where needed.
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Kalle Valo [Tue, 6 Jan 2015 17:36:11 +0000 (19:36 +0200)]
Merge tag 'iwlwifi-next-for-kalle-2014-12-30' of https://git./linux/kernel/git/iwlwifi/iwlwifi-next
* more work on d0i3 power state
* enhancements to the firmware debugging infrastructure
* support for 2 concurrent channel contexts
* fixes / cleanups in the rate control
* general cleanups
David S. Miller [Fri, 2 Jan 2015 21:47:51 +0000 (16:47 -0500)]
Merge branch 'timecounter-next'
Richard Cochran says:
====================
Fixing the "Time Counter fixes and improvements"
For this series I had only tested the build with ARCH=x86 and arm, but
others like sparc64, microblaze, powerpc, and s390 will fail because
they somehow don't indirectly include clocksource.h for the drivers in
question.
This series fixes the build issues reported by:
kbuild test robot <fengguang.wu@intel.com>
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Richard Cochran [Fri, 2 Jan 2015 19:22:09 +0000 (20:22 +0100)]
microblaze: include the new timecounter header.
The timecounter/cyclecounter code has moved, so users need the new include.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Richard Cochran [Fri, 2 Jan 2015 19:22:08 +0000 (20:22 +0100)]
mlx4: include clocksource.h again
This driver uses the function, clocksource_khz2mult, and so it really must
include clocksource.h.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Richard Cochran [Fri, 2 Jan 2015 19:22:07 +0000 (20:22 +0100)]
ixgbe: convert to CYCLECOUNTER_MASK macro.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Richard Cochran [Fri, 2 Jan 2015 19:22:06 +0000 (20:22 +0100)]
igb: convert to CYCLECOUNTER_MASK macro.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Richard Cochran [Fri, 2 Jan 2015 19:22:05 +0000 (20:22 +0100)]
e1000e: convert to CYCLECOUNTER_MASK macro.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Richard Cochran [Fri, 2 Jan 2015 19:22:04 +0000 (20:22 +0100)]
bnx2x: convert to CYCLECOUNTER_MASK macro.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Richard Cochran [Fri, 2 Jan 2015 19:22:03 +0000 (20:22 +0100)]
timecounter: provide a macro to initialize the cyclecounter mask field.
There is no need for users of the timecounter/cyclecounter code to include
clocksource.h just for a single macro.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pravin B Shelar [Fri, 2 Jan 2015 19:18:21 +0000 (11:18 -0800)]
MAINTAINERS: Update Open vSwitch entry.
OVS development is moved to netdev mailing list. Update tree and
list in MAINTAINERS file.
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Fri, 2 Jan 2015 21:40:44 +0000 (16:40 -0500)]
Merge tag 'wireless-drivers-next-for-davem-2015-01-02' of git://git./linux/kernel/git/kvalo/wireless-drivers-next
Changes:
* ath9k: enable Transmit Power Control (TPC) for ar9003 chips
* rtlwifi: cleanup and updates from the vendor driver
* rsi: fix memory leak related to firmware image
* ath: parameter fix for FCC DFS pattern
Signed-off-by: David S. Miller <davem@davemloft.net>
Rickard Strandqvist [Fri, 2 Jan 2015 20:29:24 +0000 (21:29 +0100)]
net: ethernet: cisco: enic: enic_dev: Remove some unused functions
Removes some functions that are not used anywhere:
enic_dev_enable2_done() enic_dev_enable2() enic_dev_deinit_done()
enic_dev_init_prov2() enic_vnic_dev_deinit()
This was partially found by using a static code analysis program called cppcheck.
Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: David S. Miller <davem@davemloft.net>
Rickard Strandqvist [Thu, 1 Jan 2015 19:17:22 +0000 (20:17 +0100)]
isdn: hisax: hfc4s8s_l1: Remove some unused functions
Removes some functions that are not used anywhere:
Read_hfc32() Write_hfc32() Write_hfc16()
This was partially found by using a static code analysis program called cppcheck.
Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: David S. Miller <davem@davemloft.net>
Rickard Strandqvist [Thu, 1 Jan 2015 17:01:26 +0000 (18:01 +0100)]
net: fddi: skfp: smt.c: Remove unused function
Remove the function smt_ifconfig() that is not used anywhere.
This was partially found by using a static code analysis program called cppcheck.
Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: David S. Miller <davem@davemloft.net>
Rickard Strandqvist [Thu, 1 Jan 2015 16:49:55 +0000 (17:49 +0100)]
net: ethernet: chelsio: cxgb3: mc5.c: Remove some unused functions
Removes some functions that are not used anywhere:
dbgi_rd_rsp3() dbgi_wr_addr3()
This was partially found by using a static code analysis program called cppcheck.
Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: David S. Miller <davem@davemloft.net>
Florian Westphal [Wed, 31 Dec 2014 12:33:41 +0000 (13:33 +0100)]
net: skbuff: don't zero tc members when freeing skb
Not needed, only four cases:
- kfree_skb (or one of its aliases).
Don't need to zero, memory will be freed.
- kfree_skb_partial and head was stolen: memory will be freed.
- skb_morph: The skb header fields (including tc ones) will be
copied over from the 'to-be-morphed' skb right after
skb_release_head_state returns.
- skb_segment: Same as before, all the skb header
fields are copied over from the original skb right away.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Fri, 2 Jan 2015 20:58:21 +0000 (15:58 -0500)]
Merge branch 'for-upstream' of git://git./linux/kernel/git/bluetooth/bluetooth-next
Johan Hedberg say:
====================
pull request: bluetooth-next 2014-12-31
Here's the first batch of bluetooth patches for 3.20.
- Cleanups & fixes to ieee802154 drivers
- Fix synchronization of mgmt commands with respective HCI commands
- Add self-tests for LE pairing crypto functionality
- Remove 'BlueFritz!' specific handling from core using a new quirk flag
- Public address configuration support for ath3012
- Refactor debugfs support into a dedicated file
- Initial support for LE Data Length Extension feature from Bluetooth 4.2
Please let me know if there are any issues pulling. Thanks.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Joe Stringer [Wed, 31 Dec 2014 03:10:16 +0000 (19:10 -0800)]
geneve: Add Geneve GRO support
This results in an approximately 30% increase in throughput
when handling encapsulated bulk traffic.
Signed-off-by: Joe Stringer <joestringer@nicira.com>
Signed-off-by: Jesse Gross <jesse@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jesse Gross [Wed, 31 Dec 2014 03:10:15 +0000 (19:10 -0800)]
net: Add Transparent Ethernet Bridging GRO support.
Currently the only tunnel protocol that supports GRO with encapsulated
Ethernet is VXLAN. This pulls out the Ethernet code into a proper layer
so that it can be used by other tunnel protocols such as GRE and Geneve.
Signed-off-by: Jesse Gross <jesse@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Shaohui Xie [Tue, 30 Dec 2014 08:28:21 +0000 (16:28 +0800)]
net/fsl: remove hardcoded clock setting from xgmac_mdio
There is no need to set the clock speed in read/write which will be performed
unnecessarily for each mdio access. Init it during probe is enough.
Also, the hardcoded clock value is not a proper way for all SoCs.
Signed-off-by: Shaohui Xie <Shaohui.Xie@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Shaohui Xie [Tue, 30 Dec 2014 08:28:00 +0000 (16:28 +0800)]
net/fsl: remove irq assignment from xgmac_mdio
Which is wrong and not used, so no extra space needed by
mdiobus_alloc_size(), use mdiobus_alloc() instead.
Signed-off-by: Shaohui Xie <Shaohui.Xie@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Shaohui Xie [Tue, 30 Dec 2014 08:27:33 +0000 (16:27 +0800)]
net/fsl: remove reset from xgmac_mdio
Since the reset is just clock setting, individual mdio reset is
not available.
Signed-off-by: Shaohui Xie <Shaohui.Xie@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Thu, 1 Jan 2015 00:14:52 +0000 (19:14 -0500)]
Merge branch 'gmac-next'
Roger Chen says:
====================
support GMAC driver for RK3288
Roger Chen (6):
patch1: add driver for Rockchip RK3288 SoCs integrated GMAC
patch2: define clock ID used for GMAC
patch3: modify CRU config for Rockchip RK3288 SoCs integrated GMAC
patch4: dts: rockchip: add gmac info for rk3288
patch5: dts: rockchip: enable gmac on RK3288 evb board
patch6: add document for Rockchip RK3288 GMAC
Tested on rk3288 evb board:
Execute the following command to enable ethernet,
set local IP and ping a remote host.
busybox ifconfig eth0 up
busybox ifconfig eth0 192.168.1.111
ping 192.168.1.1
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Roger Chen [Mon, 29 Dec 2014 09:44:34 +0000 (17:44 +0800)]
GMAC: add document for Rockchip RK3288 GMAC
The document descripts how to add properties for GMAC in device tree.
change since v2:
1. remove power-gpio, reset-gpio, phyirq-gpio, pmu_regulator setting
2. add "snps,reset-gpio", "snps,reset-active-low;" "snps,reset-delays-us"
Signed-off-by: Roger Chen <roger.chen@rock-chips.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Roger Chen [Mon, 29 Dec 2014 09:44:25 +0000 (17:44 +0800)]
ARM: dts: rockchip: enable gmac on RK3288 evb board
enable gmac in rk3288-evb-rk808.dts
changes since v2:
1. add fixed regulator for PHY
2. remove power-gpio, reset-gpio, phyirq-gpio, pmu_regulator setting
3. add "snps,reset-gpio", "snps,reset-active-low;" "snps,reset-delays-us"
Signed-off-by: Roger Chen <roger.chen@rock-chips.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Roger Chen [Mon, 29 Dec 2014 09:44:16 +0000 (17:44 +0800)]
ARM: dts: rockchip: add gmac info for rk3288
add gmac info in rk3288.dtsi for GMAC driver
changes since v2:
1. add drive-strength in the pinctrl settings
Signed-off-by: Roger Chen <roger.chen@rock-chips.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Roger Chen [Mon, 29 Dec 2014 09:44:07 +0000 (17:44 +0800)]
GMAC: modify CRU config for Rockchip RK3288 SoCs integrated GMAC
modify CRU config for GMAC driver
changes since v2:
1. remove SCLK_MAC_PLL
Signed-off-by: Roger Chen <roger.chen@rock-chips.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Roger Chen [Mon, 29 Dec 2014 09:43:55 +0000 (17:43 +0800)]
GMAC: define clock ID used for GMAC
changes since v2:
1. remove SCLK_MAC_PLL
Signed-off-by: Roger Chen <roger.chen@rock-chips.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Roger Chen [Mon, 29 Dec 2014 09:43:36 +0000 (17:43 +0800)]
GMAC: add driver for Rockchip RK3288 SoCs integrated GMAC
This driver is based on stmmac driver.
changes since v2:
- use tab instead of space for macros
- use HIWORD_UPDATE macro for GMAC_CLK_RX_DL_CFG and GMAC_CLK_TX_DL_CFG
- remove drive-strength setting in the driver and set it in the pinctrl settings
- use dev_err instead of pr_err
- remove clock names's macros, just use the real name of the clock
- use devm_clk_get() instead of clk_get()
- remove clk_set_parent(bsp_priv->clk_mac, bsp_priv->clk_mac_pll)
- remove gpio setting for LDO, just use regulator API
- remove phy reset using gpio in the glue layer, it has been handled in the stmmac driver
- remove handling phy interrupt (mii interrupt)
changes since v1:
- use BIT() to set register
- combine two remap_write() operations into one for the same register
- use macros for register value setting
- remove grf fail check in rk_gmac_setup() and save all the check in set_rgmii_speed()
- remove .tx_coe=1 in rk_gmac_data
Signed-off-by: Roger Chen <roger.chen@rock-chips.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Wed, 31 Dec 2014 23:32:40 +0000 (18:32 -0500)]
igb_ptp: Include clocksource.h to get CLOCKSOURCE_MASK.
Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Wed, 31 Dec 2014 23:32:25 +0000 (18:32 -0500)]
e1000e: Include clocksource.h to get CLOCKSOURCE_MASK.
Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Wed, 31 Dec 2014 23:26:02 +0000 (18:26 -0500)]
Merge branch 'fib_trie-next'
Alexander Duyck says:
====================
fib_trie: Reduce time spent in fib_table_lookup by 35 to 75%
These patches are meant to address several performance issues I have seen
in the fib_trie implementation, and fib_table_lookup specifically. With
these changes in place I have seen a reduction of up to 35 to 75% for the
total time spent in fib_table_lookup depending on the type of search being
performed.
On a VM running in my Corei7-4930K system with a trie of maximum depth of 7
this resulted in a reduction of over 370ns per packet in the total time to
process packets received from an ixgbe interface and route them to a dummy
interface. This represents a failed lookup in the local trie followed by
a successful search in the main trie.
Baseline Refactor
ixgbe->dummy routing 1.20Mpps 2.21Mpps
------------------------------------------------------------
processing time per packet 835ns 453ns
fib_table_lookup 50.1% 418ns 25.0% 113ns
check_leaf.isra.9 7.9% 66ns -- --
ixgbe_clean_rx_irq 5.3% 44ns 9.8% 44ns
ip_route_input_noref 2.9% 25ns 4.6% 21ns
pvclock_clocksource_read 2.6% 21ns 4.6% 21ns
ip_rcv 2.6% 22ns 4.0% 18ns
In the simple case of receiving a frame and dropping it before it can reach
the socket layer I saw a reduction of 40ns per packet. This represents a
trip through the local trie with the correct leaf found with no need for
any backtracing.
Baseline Refactor
ixgbe->local receive 2.65Mpps 2.96Mpps
------------------------------------------------------------
processing time per packet 377ns 337ns
fib_table_lookup 25.1% 95ns 25.8% 87ns
ixgbe_clean_rx_irq 8.7% 33ns 9.0% 30ns
check_leaf.isra.9 7.2% 27ns -- --
ip_rcv 5.7% 21ns 6.5% 22ns
These changes have resulted in several functions being inlined such as
check_leaf and fib_find_node, but due to the code simplification the
overall size of the code has been reduced.
text data bss dec hex filename
16932 376 16 17324 43ac net/ipv4/fib_trie.o - before
15259 376 8 15643 3d1b net/ipv4/fib_trie.o - after
Changes since RFC:
Replaced this_cpu_ptr with correct call to this_cpu_inc in patch 1
Changed test for leaf_info mismatch to (key ^ n->key) & li->mask_plen in patch 10
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Alexander Duyck [Wed, 31 Dec 2014 18:57:08 +0000 (10:57 -0800)]
fib_trie: Add tracking value for suffix length
This change adds a tracking value for the maximum suffix length of all
prefixes stored in any given tnode. With this value we can determine if we
need to backtrace or not based on if the suffix is greater than the pos
value.
By doing this we can reduce the CPU overhead for lookups in the local table
as many of the prefixes there are 32b long and have a suffix length of 0
meaning we can immediately backtrace to the root node without needing to
test any of the nodes between it and where we ended up.
Signed-off-by: Alexander Duyck <alexander.h.duyck@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Alexander Duyck [Wed, 31 Dec 2014 18:57:02 +0000 (10:57 -0800)]
fib_trie: Remove checks for index >= tnode_child_length from tnode_get_child
For some reason the compiler doesn't seem to understand that when we are in
a loop that runs from tnode_child_length - 1 to 0 we don't expect the value
of tn->bits to change. As such every call to tnode_get_child was rerunning
tnode_chile_length which ended up consuming quite a bit of space in the
resultant assembly code.
I have gone though and verified that in all cases where tnode_get_child
is used we are either winding though a fixed loop from tnode_child_length -
1 to 0, or are in a fastpath case where we are verifying the value by
either checking for any remaining bits after shifting index by bits and
testing for leaf, or by using tnode_child_length.
size net/ipv4/fib_trie.o
Before:
text data bss dec hex filename
15506 376 8 15890 3e12 net/ipv4/fib_trie.o
After:
text data bss dec hex filename
14827 376 8 15211 3b6b net/ipv4/fib_trie.o
Signed-off-by: Alexander Duyck <alexander.h.duyck@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Alexander Duyck [Wed, 31 Dec 2014 18:56:55 +0000 (10:56 -0800)]
fib_trie: inflate/halve nodes in a more RCU friendly way
This change pulls the node_set_parent functionality out of put_child_reorg
and instead leaves that to the function to take care of as well. By doing
this we can fully construct the new cluster of tnodes and all of the
pointers out of it before we start routing pointers into it.
I am suspecting this will likely fix some concurency issues though I don't
have a good test to show as such.
Signed-off-by: Alexander Duyck <alexander.h.duyck@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Alexander Duyck [Wed, 31 Dec 2014 18:56:49 +0000 (10:56 -0800)]
fib_trie: Push tnode flushing down to inflate/halve
This change pushes the tnode freeing down into the inflate and halve
functions. It makes more sense here as we have a better grasp of what is
going on and when a given cluster of nodes is ready to be freed.
I believe this may address a bug in the freeing logic as well. For some
reason if the freelist got to a certain size we would call
synchronize_rcu(). I'm assuming that what they meant to do is call
synchronize_rcu() after they had handed off that much memory via
call_rcu(). As such that is what I have updated the behavior to be.
Signed-off-by: Alexander Duyck <alexander.h.duyck@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Alexander Duyck [Wed, 31 Dec 2014 18:56:43 +0000 (10:56 -0800)]
fib_trie: Push assignment of child to parent down into inflate/halve
This change makes it so that the assignment of the tnode to the parent is
handled directly within whatever function is currently handling the node be
it inflate, halve, or resize. By doing this we can avoid some of the need
to set NULL pointers in the tree while we are resizing the subnodes.
Signed-off-by: Alexander Duyck <alexander.h.duyck@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Alexander Duyck [Wed, 31 Dec 2014 18:56:37 +0000 (10:56 -0800)]
fib_trie: Add functions should_inflate and should_halve
This change pulls the logic for if we should inflate/halve the nodes out
into separate functions. It also addresses what I believe is a bug where 1
full node is all that is needed to keep a node from ever being halved.
Simple script to reproduce the issue:
modprobe dummy; ifconfig dummy0 up
for i in `seq 0 255`; do ifconfig dummy0:$i 10.0.${i}.1/24 up; done
ifconfig dummy0:256 10.0.255.33/16 up
for i in `seq 0 254`; do ifconfig dummy0:$i down; done
Results from /proc/net/fib_triestat
Before:
Local:
Aver depth: 3.00
Max depth: 4
Leaves: 17
Prefixes: 18
Internal nodes: 11
1: 8 2: 2 10: 1
Pointers: 1048
Null ptrs: 1021
Total size: 11 kB
After:
Local:
Aver depth: 3.41
Max depth: 5
Leaves: 17
Prefixes: 18
Internal nodes: 12
1: 8 2: 3 3: 1
Pointers: 36
Null ptrs: 8
Total size: 3 kB
Signed-off-by: Alexander Duyck <alexander.h.duyck@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Alexander Duyck [Wed, 31 Dec 2014 18:56:31 +0000 (10:56 -0800)]
fib_trie: Move resize to after inflate/halve
This change consists of a cut/paste of resize to behind inflate and halve
so that I could remove the two function prototypes.
Signed-off-by: Alexander Duyck <alexander.h.duyck@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Alexander Duyck [Wed, 31 Dec 2014 18:56:24 +0000 (10:56 -0800)]
fib_trie: Push rcu_read_lock/unlock to callers
This change is to start cleaning up some of the rcu_read_lock/unlock
handling. I realized while reviewing the code there are several spots that
I don't believe are being handled correctly or are masking warnings by
locally calling rcu_read_lock/unlock instead of calling them at the correct
level.
A common example is a call to fib_get_table followed by fib_table_lookup.
The rcu_read_lock/unlock ought to wrap both but there are several spots where
they were not wrapped.
Signed-off-by: Alexander Duyck <alexander.h.duyck@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Alexander Duyck [Wed, 31 Dec 2014 18:56:18 +0000 (10:56 -0800)]
fib_trie: Use unsigned long for anything dealing with a shift by bits
This change makes it so that anything that can be shifted by, or compared
to a value shifted by bits is updated to be an unsigned long. This is
mostly a precaution against an insanely huge address space that somehow
starts coming close to the 2^32 root node size which would require
something like 1.5 billion addresses.
I chose unsigned long instead of unsigned long long since I do not believe
it is possible to allocate a 32 bit tnode on a 32 bit system as the memory
consumed would be 16GB + 28B which exceeds the addressible space for any
one process.
Signed-off-by: Alexander Duyck <alexander.h.duyck@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>