Commit Graph

223124 Commits

Author SHA1 Message Date
David S. Miller
0dbaee3b37 net: Abstract default ADVMSS behind an accessor.
Make all RTAX_ADVMSS metric accesses go through a new helper function,
dst_metric_advmss().

Leave the actual default metric as "zero" in the real metric slot,
and compute the actual default value dynamically via a new dst_ops
AF specific callback.

For stacked IPSEC routes, we use the advmss of the path which
preserves existing behavior.

Unlike ipv4/ipv6, DecNET ties the advmss to the mtu and thus updates
advmss on pmtu updates.  This inconsistency in advmss handling
results in more raw metric accesses than I wish we ended up with.

Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-13 12:52:14 -08:00
Eric Dumazet
cc6f02dd49 net: change ip_default_ttl documentation
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-13 12:50:49 -08:00
Tomoya
cfb7e5f187 pch_can: Replace netif_rx to netif_receive_skb
Since this driver is implemented as NAPI,
netif_receive_skb must be used not netif_rx.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-13 12:24:28 -08:00
Tomoya
0c78ab76a0 pch_can: Add setting TEC/REC statistics processing
Add setting TEC/REC statistics processing.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-13 12:24:28 -08:00
Tomoya
fea9294c5f pch_can: Optimize "if" condition in rx/tx processing
For reduce "if" condition, easy to read/understand the code,
optimize "if" condition in rx/tx processing.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-13 12:24:27 -08:00
Tomoya
3332bc5446 pch_can: Fix incorrect return processing
Fix incorrect return processing.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-13 12:24:27 -08:00
Tomoya
a6f6d6b51b pch_can: Move MSI processing to probe/remove processing
Currently, in case this driver is integrated as module, and when this
module is re-installed, no interrupts is to be occurred.
For the above issue, move MSI processing to open/release processing.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-13 12:24:26 -08:00
Tomoya
c755145649 pch_can: Comment optimization
Comment optimization

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-13 12:24:25 -08:00
Tomoya
d06848be64 pch_can: Fix miss-setting status issue
Modify miss-setting status issue at suspend.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-13 12:24:25 -08:00
Tomoya
0e0805c406 pch_can: Fix bit timing calculation issue
Modify like use calculated value directly passed by CAN core module.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-13 12:24:24 -08:00
Tomoya
8714fcaca6 pch_can: Delete unnecessary/redundant code
Delete unnecessary/redundant code

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-13 12:24:24 -08:00
Tomoya
9388b166a3 pch_can: Fix coding rule violation
Fix coding rule violation.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-13 12:24:23 -08:00
Tomoya
435b4efe93 pch_can: Replace netdev_dbg instead of dev_dbg partly
For easy to readable, use netdev_dbg instead of dev_dbg partly

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-13 12:24:23 -08:00
Tomoya
e91530ea95 pch_can: Change Copyright and module description
Currently, Copyright and module description are not formal.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-13 12:24:22 -08:00
Tomoya
44c9aa890a pch_can: Reduce register access
For improve tx/rx speed, reduce register access.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-13 12:24:22 -08:00
Tomoya
ca2b004e89 pch_can: Change functions type
Currently, these two functions spec(returned value) is unnatural.
Thus, change the return value's spec

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-13 12:24:21 -08:00
Tomoya
bd58cbc322 pch_can: Rename function/macro name
For easy to read/understand, Rename function/macro name.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-13 12:24:21 -08:00
Tomoya
7f2bc50efe pch_can: Fix warnings
Currently, in case CONFIG_PM is disabled, compiler outputs warnings.
Move six functions which are used only CONFIG_PM is enabled,
into "#ifdef CONFIG_PM" area.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-13 12:24:20 -08:00
Tomoya
1d5b4b2778 pch_can: Improve rx processing
Replace complex "goto" to "do~while".
For easy to read/understand, it divides a rx function into some functions.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-13 12:24:20 -08:00
Tomoya
8ac9702b9d pch_can: Fix endianness issue
there is endianness issue both Tx and Rx.
Currently, data is set like below.
Register:
MSB--LSB
x x D0 D1
x x D2 D3
x x D4 D5
x x D6 D7

But Data to be sent must be set like below.
Register:
MSB--LSB
x x D1 D0
x x D3 D2
x x D5 D4
x x D7 D6  (x means reserved area.)

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-13 12:24:19 -08:00
Tomoya
e489ccebf1 pch_can: Divide poll function
To easy to read/understand, divide poll function into two sub-functions.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-13 12:24:19 -08:00
Tomoya
76d94b2329 pch_can: Add flow control processing
Currently, there is no flow control processing.
Thus, Add flow control processing as
when there is no empty of tx buffer,
netif_stop_queue is called.
When there is empty buffer, netif_wake_queue is called.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-13 12:24:18 -08:00
Eric Dumazet
249fab773d net: add limits to ip_default_ttl
ip_default_ttl should be between 1 and 255

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-13 12:16:14 -08:00
Joe Perches
8c4877a412 ehea: Use the standard logging functions
Remove ehea_error, ehea_info and ehea_debug macros.
Use pr_fmt, pr_<level>, netdev_<level> and netif_<level> as appropriate.
Fix messages to use trailing "\n", some messages had an extra one
as the old ehea_<level> macros added a trailing "\n".
Coalesced long format strings.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Breno Leitao <leitao@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-13 10:05:14 -08:00
David S. Miller
323e126f0c ipv4: Don't pre-seed hoplimit metric.
Always go through a new ip4_dst_hoplimit() helper, just like ipv6.

This allowed several simplifications:

1) The interim dst_metric_hoplimit() can go as it's no longer
   userd.

2) The sysctl_ip_default_ttl entry no longer needs to use
   ipv4_doint_and_flush, since the sysctl is not cached in
   routing cache metrics any longer.

3) ipv4_doint_and_flush no longer needs to be exported and
   therefore can be marked static.

When ipv4_doint_and_flush_strategy was removed some time ago,
the external declaration in ip.h was mistakenly left around
so kill that off too.

We have to move the sysctl_ip_default_ttl declaration into
ipv4's route cache definition header net/route.h, because
currently net/ip.h (where the declaration lives now) has
a back dependency on net/route.h

Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-12 22:08:17 -08:00
David S. Miller
a02e4b7dae ipv6: Demark default hoplimit as zero.
This is for consistency with ipv4.  Using "-1" makes
no sense.

It was made this way a long time ago merely to be consistent
with how the ipv6 socket hoplimit "default" is stored.

Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-12 21:39:02 -08:00
David S. Miller
5170ae824d net: Abstract RTAX_HOPLIMIT metric accesses behind helper.
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-12 21:35:57 -08:00
David S. Miller
abbf46ae0e ipv6: Use ip6_dst_hoplimit() instead of direct dst_metric() calls.
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-12 21:14:46 -08:00
Tejun Heo
1635953305 hostap: don't use flush_scheduled_work()
flush_scheduled_work() is on its way out.  Drop flush_scheduled_work()
from prism2_free_local_data() and replace it with explicit flushing of
work items on the respective free functions.  Work items in ap_data
are flushed from hostap_free_data() and the ones in local_info from
prism2_free_local_data().

Flush is used instead of cancel as some process and free items from
queue.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jes Sorensen <jes@trained-monkey.org>
Cc: netdev@vger.kernel.org
2010-12-12 16:45:15 +01:00
Tejun Heo
781ba45676 i2400m: drop i2400m_schedule_work()
i2400m implements dynamic work allocation and queueing mechanism in
i2400_schedule_work(); however, this is only used for reset and
recovery which can be served equally well with preallocated per device
works.

Replace i2400m_schedule_work() with two work structs in struct i2400m.
These works are explicitly canceled when the device is released making
calls to flush_scheduled_work(), which is being deprecated,
unnecessary.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
Cc: linux-wimax@intel.com
Cc: netdev@vger.kernel.org
2010-12-12 16:45:14 +01:00
Tejun Heo
fe8998c5e3 sungem: update gp->reset_task flushing
gp->reset_task_pending is always set right before reset_task is
scheduled and as there is no synchronization between the setting and
scheduling, busy looping on reset_task_pending before flushing
reset_task doesn't really buy anything.

Directly flush gp->reset_task on suspend and cancel on detach.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: netdev@vger.kernel.org
2010-12-12 16:45:14 +01:00
Tejun Heo
760141a53e igb[v],ixgbe: don't use flush_scheduled_work()
All three drivers use flush_scheduled_work() similarly during driver
detach.  Replace it with explicit cancels.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: e1000-devel@lists.sourceforge.net
Cc: netdev@vger.kernel.org
2010-12-12 16:45:14 +01:00
Tejun Heo
9beb4896ce iseries_veth: don't use flush_scheduled_work()
flush_scheduled_work() is on its way out.  Remove its usage from
iseries_veth.

* Cancelling a delayed work, queueing it for immediate execution if
  cancelled and then waiting for completion can be done by simply
  calling flush_delayed_work_sync().

* Explicitly cancel cnx->statemachine_wq on module unload.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Santiago Leon <santil@linux.vnet.ibm.com>
Cc: netdev@vger.kernel.org
2010-12-12 16:45:14 +01:00
Tejun Heo
f5c35cc191 ehea: don't use flush_scheduled_work()
Directly cancel port->reset_task from ehea_shutdown_single_port()
instead.  As this cancels the work for each port on driver detach,
flushing system_wq from ehea_remove() or ehea_module_exit() is no
longer necessary.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Breno Leitao <leitao@linux.vnet.ibm.com>
Cc: netdev@vger.kernel.org
2010-12-12 16:45:14 +01:00
Tejun Heo
3d6b892bcc ehea: kill unused ehea_rereg_mr_task
ehea_rereg_mr_task is not used.  Remove it and drop @work parameter
from ehea_rereg_mrs().

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Breno Leitao <leitao@linux.vnet.ibm.com>
Cc: netdev@vger.kernel.org
2010-12-12 16:45:14 +01:00
Tejun Heo
23f333a2bf drivers/net: don't use flush_scheduled_work()
flush_scheduled_work() is on its way out.  This patch contains simple
conversions to replace flush_scheduled_work() usage with direct
cancels and flushes.

Directly cancel the used works on driver detach and flush them in
other cases.

The conversions are mostly straight forward and the only dangers are,

* Forgetting to cancel/flush one or more used works.

* Cancelling when a work should be flushed (ie. the work must be
  executed once scheduled whether the driver is detaching or not).

I've gone over the changes multiple times but it would be much
appreciated if you can review with the above points in mind.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jay Cliburn <jcliburn@gmail.com>
Cc: Michael Chan <mchan@broadcom.com>
Cc: Divy Le Ray <divy@chelsio.com>
Cc: e1000-devel@lists.sourceforge.net
Cc: Vasanthy Kolluri <vkolluri@cisco.com>
Cc: Samuel Ortiz <samuel@sortiz.org>
Cc: Lennert Buytenhek <buytenh@wantstofly.org>
Cc: Andrew Gallatin <gallatin@myri.com>
Cc: Francois Romieu <romieu@fr.zoreil.com>
Cc: Ramkrishna Vepa <ramkrishna.vepa@exar.com>
Cc: Matt Carlson <mcarlson@broadcom.com>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Cc: Shreyas Bhatewara <sbhatewara@vmware.com>
Cc: netdev@vger.kernel.org
2010-12-12 16:45:14 +01:00
Tejun Heo
6e07ebd84e drivers/net: remove unnecessary flush_scheduled_work() calls
janz-ican3, sh_eth, skge and vxge don't use workqueue at all and there
is no reason to flush the system_wq.  Drop flush_scheduled_work()
calls and references to workqueue.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Wolfgang Grandegger <wg@grandegger.com>
Cc: Stephen Hemminger <shemminger@linux-foundation.org>
Cc: Ramkrishna Vepa <ramkrishna.vepa@exar.com>
Cc: Sivakumar Subramani <sivakumar.subramani@exar.com>
Cc: Sreenivasa Honnur <sreenivasa.honnur@exar.com>
Cc: Jon Mason <jon.mason@exar.com>
Cc: netdev@vger.kernel.org
2010-12-12 16:45:14 +01:00
Manuel Lauss
ad1184c6cf net: au1000_eth: remove unused global variable.
The driver global au_macs[] is unused in the entire kernel tree,
so remove it.

Signed-off-by: Manuel Lauss <manuel.lauss@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-11 12:01:48 -08:00
Jon Mason
85a564983a s2io: Using static const generally increases object text and decreases data size. It also generally decreases overall object size.
text	   data	    bss	    dec	    hex	filename
 109387	    389	  24432	 134208	  20c40	drivers/net/s2io.o.old
 109358	    389	  24432	 134179	  20c23	drivers/net/s2io.o.new

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Jon Mason <jon.mason@exar.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-11 11:47:09 -08:00
Jon Mason
11410b62cf s2io: Update Driver Version
Update Driver Version

Signed-off-by: Jon Mason <jon.mason@exar.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-11 11:46:37 -08:00
Jon Mason
c0dbf37e78 s2io: make strings at tables const
Put immutable data in read/only section.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Jon Mason <jon.mason@exar.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-11 11:46:36 -08:00
Jon Mason
1853e2e15d s2io: rx_ring_sz bounds checking
modparm rx_ring_sz can be set to be greater than the maximum allowable
number of blocks.  This results in an array overrun when probing the
driver, and causes memory corruption.

Also, the MAX_RX_DESC_1 multiply the max number of rings by max number
of blocker per ring by 127, but the driver does the same calculation
with 127+1.  This results in the possibility of the value being set
being larger than the maximum allowable value.

Finally, clean-up the s2io_ethtool_gringparam code to be more
intuitive.

Signed-off-by: Jon Mason <jon.mason@exar.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-11 11:46:36 -08:00
Carolyn Wyborny
9835fd7321 igb: Add new function to read part number from EEPROM in string format
New adapters will have part numbers stored in string format rather than
simple hex format. This function will read part number formats in either
hex or string.

Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2010-12-10 22:14:01 -08:00
Bruce Allan
c920aa8b87 e1000e: increment the driver version
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2010-12-10 22:13:57 -08:00
Bruce Allan
61c7581667 e1000e: static analysis tools complain of a possible null ptr p dereference
Adding this default case resolves the issue.

v2- Removed "break" in default case based on feedback

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Emil Tantilov <emil.s.tantilov@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2010-12-10 22:13:49 -08:00
Bruce Allan
e926244723 e1000e: minor error message corrections
Correct error messages when setting up Rx resources and when checking
module parameters.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2010-12-10 22:13:46 -08:00
Bruce Allan
36b973df71 e1000e: prevent null ptr dereference in e1000_tx_queue()
tx_desc can be dereferenced as a null pointer when count is passed in
as 0.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Emil Tantilov <emil.s.tantilov@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2010-12-10 22:13:41 -08:00
Bruce Allan
073287c037 e1000e: support new PBA format from EEPROM
Provide support to e1000e for displaying the new format of the PBA found
in the EEPROM.  The unique PBA identifier is no longer restricted to
hexadecimal numbers and must now be read and displayed as a string.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2010-12-10 22:13:37 -08:00
Bruce Allan
664dc878ed e1000e: 82579 PHY incorrectly identified during init
During init, reading the 2 PHY ID registers back-to-back in the default
fast mode could return invalid data (all F's) and in slow mode could
return data to the second read the data from the first read.  To resolve
the issue in fast mode, set to slow mode before any PHY accesses; to
resolve the issue in slow mode, put in a delay for every 82579 PHY access.
Since this PHY is currently only paired with the pch2lan MAC and the PHY
type is not known before the first PHY access which can fail this way,
check for this based on MAC-type.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2010-12-10 22:13:34 -08:00
Bruce Allan
ce54afd16d e1000e: 82577/8/9 mis-configured OEM bits during S0->Sx
The LPLU (Low Power Link Up) and Gigabit Disable bits (a.k.a. OEM bits)
were being configured incorrectly when device goes to D3 state.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2010-12-10 22:13:27 -08:00