linux.git
10 years agoMAINTAINERS: add maintainer for Samsung sxgbe driver
Byungho An [Tue, 25 Mar 2014 19:11:07 +0000 (12:11 -0700)]
MAINTAINERS: add maintainer for Samsung sxgbe driver

Signed-off-by: Byungho An <bh74.an@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agonet: sxgbe: add ethtool related functions support Samsung sxgbe
Vipul Pandya [Tue, 25 Mar 2014 19:11:02 +0000 (12:11 -0700)]
net: sxgbe: add ethtool related functions support Samsung sxgbe

This patch adds ethtool related functions.

Signed-off-by: Vipul Pandya <vipul.pandya@samsung.com>
Neatening-by: Joe Perches <joe@perches.com>
Signed-off-by: Byungho An <bh74.an@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agonet: sxgbe: add Checksum offload support for Samsung sxgbe
Vipul Pandya [Tue, 25 Mar 2014 19:11:02 +0000 (12:11 -0700)]
net: sxgbe: add Checksum offload support for Samsung sxgbe

This patch adds TX and RX checksum offload support.

Signed-off-by: Vipul Pandya <vipul.pandya@samsung.com>
Neatening-by: Joe Perches <joe@perches.com>
Signed-off-by: Byungho An <bh74.an@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agonet: sxgbe: add TSO support for Samsung sxgbe
Vipul Pandya [Tue, 25 Mar 2014 19:10:57 +0000 (12:10 -0700)]
net: sxgbe: add TSO support for Samsung sxgbe

Enable TSO during initialization for each DMA channels

Signed-off-by: Vipul Pandya <vipul.pandya@samsung.com>
Neatening-by: Joe Perches <joe@perches.com>
Signed-off-by: Byungho An <bh74.an@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agonet: sxgbe: add EEE(Energy Efficient Ethernet) for Samsung sxgbe
Girish K S [Tue, 25 Mar 2014 19:10:57 +0000 (12:10 -0700)]
net: sxgbe: add EEE(Energy Efficient Ethernet) for Samsung sxgbe

Added support for the EEE(Energy Efficient Ethernet) in 10G ethernet driver.

Signed-off-by: Girish K S <ks.giri@samsung.com>
Neatening-by: Joe Perches <joe@perches.com>
Signed-off-by: Byungho An <bh74.an@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agonet: sxgbe: add basic framework for Samsung 10Gb ethernet driver
Siva Reddy [Tue, 25 Mar 2014 19:10:54 +0000 (12:10 -0700)]
net: sxgbe: add basic framework for Samsung 10Gb ethernet driver

This patch adds support for Samsung 10Gb ethernet driver(sxgbe).

- sxgbe core initialization
- Tx and Rx support
- MDIO support
- ISRs for Tx and Rx
- ifconfig support to driver

Signed-off-by: Siva Reddy Kallam <siva.kallam@samsung.com>
Signed-off-by: Vipul Pandya <vipul.pandya@samsung.com>
Signed-off-by: Girish K S <ks.giri@samsung.com>
Neatening-by: Joe Perches <joe@perches.com>
Signed-off-by: Byungho An <bh74.an@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agosxgbe: Add device-tree binding support document
Siva Reddy [Tue, 25 Mar 2014 19:10:51 +0000 (12:10 -0700)]
sxgbe: Add device-tree binding support document

This patch adds binding document for SXGBE ethernet driver via device-tree.

Signed-off-by: Siva Reddy Kallam <siva.kallam@samsung.com>
Signed-off-by: Byungho An <bh74.an@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agoptp: Fix compiler warnings in the testptp utility
Christian Riesch [Tue, 25 Mar 2014 11:24:06 +0000 (12:24 +0100)]
ptp: Fix compiler warnings in the testptp utility

Signed-off-by: Christian Riesch <christian.riesch@omicron.at>
Cc: Dong Zhu <bluezhudong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agoptp: Add a command line option in testptp to set a specific PTP time
Manfred Rudigier [Tue, 25 Mar 2014 11:24:05 +0000 (12:24 +0100)]
ptp: Add a command line option in testptp to set a specific PTP time

Signed-off-by: Manfred Rudigier <manfred.rudigier@omicron.at>
Signed-off-by: Christian Riesch <christian.riesch@omicron.at>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agoMerge branch 'bonding-next'
David S. Miller [Wed, 26 Mar 2014 20:42:02 +0000 (16:42 -0400)]
Merge branch 'bonding-next'

Ding Tianhong says:

====================
bonding: support QinQ for bond arp interval

v1->v2: remvoe the comment "TODO: QinQ?".
convert pr_xxx() to pr_xxx_ratelimited() for arp interval.

v2->v3: remove the unnecessary log for arp interval and add net ratelimit to
avoid spam log.

v3->v4: Add ratelimit for debugging is not a good idea, it will miss some message
if the user turns the debugging on, so don't add ratelimited on debugging.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agobonding: add net_ratelimt to avoid spam in arp interval
dingtianhong [Tue, 25 Mar 2014 09:44:44 +0000 (17:44 +0800)]
bonding: add net_ratelimt to avoid spam in arp interval

Remove the unnecessary log and add net_ratelimit to the others, in order to
avoid spam the log.

Cc: Joe Perches <joe@perches.com>
Cc: Jay Vosburgh <fubar@us.ibm.com>
Cc: Veaceslav Falico <vfalico@redhat.com>
Cc: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agobonding: support QinQ for bond arp interval
dingtianhong [Tue, 25 Mar 2014 09:44:43 +0000 (17:44 +0800)]
bonding: support QinQ for bond arp interval

The bond send arp request to indicate that the slave is active, and if the bond dev
is a vlan dev, it will set the vlan tag in skb to notice the vlan group, but the
bond could only send a skb with 802.1q proto, not support for QinQ.

So add outer tag for lower vlan tag and inner tag for upper vlan tag to support QinQ,
The new skb will be consist of two vlan tag just like this:

dst mac | src mac | outer vlan tag | inner vlan tag | data | .....

If We don't need QinQ, the inner vlan tag could be set to 0 and use outer vlan tag
 as a normal vlan group.

Using "ip link" to configure the bond for QinQ and add test log:

ip link add link bond0  bond0.20 type vlan proto 802.1ad id 20
ip link add link bond0.20  bond0.20.200 type vlan proto 802.1q id 200

ifconfig bond0.20 11.11.20.36/24
ifconfig bond0.20.200 11.11.200.36/24

echo +11.11.200.37 > /sys/class/net/bond0/bonding/arp_ip_target

90:e2:ba:07:4a:5c (oui Unknown) > Broadcast, ethertype 802.1Q-QinQ (0x88a8),length 50: vlan 20, p 0,ethertype 802.1Q, vlan 200, p 0, ethertype ARP, Ethernet (len 6), IPv4 (len 4), Request who-has 11.11.200.37 tell 11.11.200.36, length 28

90:e2:ba:06:f9:86 (oui Unknown) > 90:e2:ba:07:4a:5c (oui Unknown), ethertype 802.1Q-QinQ (0x88a8), length 50: vlan 20, p 0, ethertype 802.1Q, vlan 200, p 0, ethertype ARP, Ethernet (len 6), IPv4 (len 4), Reply 11.11.200.37 is-at 90:e2:ba:06:f9:86 (oui Unknown), length 28

v1->v2: remove the comment "TODO: QinQ?".

Cc: Jay Vosburgh <fubar@us.ibm.com>
Cc: Veaceslav Falico <vfalico@redhat.com>
Cc: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agovlan: make a new function vlan_dev_vlan_proto() and export
dingtianhong [Tue, 25 Mar 2014 09:44:42 +0000 (17:44 +0800)]
vlan: make a new function vlan_dev_vlan_proto() and export

The vlan support 2 proto: 802.1q and 802.1ad, so make a new function
called vlan_dev_vlan_proto() which could return the vlan proto for
input dev.

Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agoMerge branch 'bonding-next'
David S. Miller [Wed, 26 Mar 2014 20:40:39 +0000 (16:40 -0400)]
Merge branch 'bonding-next'

Ding Tianhong says:

====================
bonding: slight optimization and avoid spam for bond xmit path

v1->v2: Add ratelimit for debugging is not a good idea, it will miss some message
if the user turns the debugging on, so remove the patch 3.
use net_err_ratelimited instead of pr_err_ratelimited and use __func__ instead of
bond_xmit_broadcast().
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agobonding: ratelimit pr_err() for bond xmit broadcast
dingtianhong [Tue, 25 Mar 2014 09:00:10 +0000 (17:00 +0800)]
bonding: ratelimit pr_err() for bond xmit broadcast

It may spam if the system is out of the memory, add ratelimit for it.

Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agobonding: slight optimization for bond xmit path
dingtianhong [Tue, 25 Mar 2014 09:00:09 +0000 (17:00 +0800)]
bonding: slight optimization for bond xmit path

Add unlikely() micro to the unlikely conditions in the bond
xmit path for slight optimization.

Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agoxen-netback: Functional follow-up patch for grant mapping series
Zoltan Kiss [Mon, 24 Mar 2014 23:59:51 +0000 (23:59 +0000)]
xen-netback: Functional follow-up patch for grant mapping series

Ian made some late comments about the grant mapping series, I incorporated the
functional outcomes into this patch:

- use callback_param macro to shorten access to pending_tx_info in
  xenvif_fill_frags() and xenvif_tx_submit()
- print an error message in xenvif_idx_unmap() before panic

Signed-off-by: Zoltan Kiss <zoltan.kiss@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agoxen-netback: Non-functional follow-up patch for grant mapping series
Zoltan Kiss [Mon, 24 Mar 2014 23:59:50 +0000 (23:59 +0000)]
xen-netback: Non-functional follow-up patch for grant mapping series

Ian made some late comments about the grant mapping series, I incorporated the
non-functional outcomes into this patch:

- typo fixes in a comment of xenvif_free(), and add another one there as well
- typo fix for comment of rx_drain_timeout_msecs
- remove stale comment before calling xenvif_grant_handle_reset()

Signed-off-by: Zoltan Kiss <zoltan.kiss@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agoxen-netback: Stop using xenvif_tx_pending_slots_available
Zoltan Kiss [Mon, 24 Mar 2014 23:59:49 +0000 (23:59 +0000)]
xen-netback: Stop using xenvif_tx_pending_slots_available

Since the early days TX stops if there isn't enough free pending slots to
consume a maximum sized (slot-wise) packet. Probably the reason for that is to
avoid the case when we don't have enough free pending slot in the ring to finish
the packet. But if we make sure that the pending ring has the same size as the
shared ring, that shouldn't really happen. The frontend can only post packets
which fit the to the free space of the shared ring. If it doesn't, the frontend
has to stop, as it can only increase the req_prod when the whole packet fits
onto the ring.
This patch avoid using this checking, makes sure the 2 ring has the same size,
and remove a checking from the callback. As now we don't stop the NAPI instance
on this condition, we don't have to wake it up if we free pending slots up.

Signed-off-by: Zoltan Kiss <zoltan.kiss@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agoMerge branch 'bcm7xxx-next'
David S. Miller [Wed, 26 Mar 2014 20:19:42 +0000 (16:19 -0400)]
Merge branch 'bcm7xxx-next'

Florian Fainelli says:

====================
net: phy: bcm7xxx: workaround updates

This patch updates the BCM7xxx internal PHY workaround, this time with
defines for the registers we are touching.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agonet: phy: bcm7xxx: properly clear AFE_RX_LP_COUNTER
Florian Fainelli [Mon, 24 Mar 2014 23:36:49 +0000 (16:36 -0700)]
net: phy: bcm7xxx: properly clear AFE_RX_LP_COUNTER

The AFE_RX_LP_COUNTER kept the last 3 bits set, which would not properly
clear the EEE LPI mode errors bits. Make sure that those bits are set to
0 to ensure the PHY timing is always good even during EEE wake-up.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agonet: phy: bcm7xxx: fix spurious MDIO failures during workaround
Florian Fainelli [Mon, 24 Mar 2014 23:36:48 +0000 (16:36 -0700)]
net: phy: bcm7xxx: fix spurious MDIO failures during workaround

Writing first to the AFE registers, and then the VCO, RCAL, RC_CAL
registers turned out to unveil some spurious MDIO read/write failures
which would make the workaround partially applied. The fix is to write
first to the VCO, RCAL, RC_CAL registers, and then write to the AFE
registers.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agonet: phy: bcm7xxx: define constants for our registers
Florian Fainelli [Mon, 24 Mar 2014 23:36:47 +0000 (16:36 -0700)]
net: phy: bcm7xxx: define constants for our registers

Define constants for the various registers used in
bcm7xxx_28nm_afe_config_init() to help clarify what this workaround is
about.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agonet: Rename skb->rxhash to skb->hash
Tom Herbert [Mon, 24 Mar 2014 22:34:47 +0000 (15:34 -0700)]
net: Rename skb->rxhash to skb->hash

The packet hash can be considered a property of the packet, not just
on RX path.

This patch changes name of rxhash and l4_rxhash skbuff fields to be
hash and l4_hash respectively. This includes changing uses of the
field in the code which don't call the access functions.

Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Mahesh Bandewar <maheshb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agoqlcnic: Remove casts of pointer to same type
Joe Perches [Mon, 24 Mar 2014 20:15:37 +0000 (13:15 -0700)]
qlcnic: Remove casts of pointer to same type

Casting a pointer to a pointer of the same type is pointless,
so remove these unnecessary casts.

Done via coccinelle script:

$ cat typecast_2.cocci
@@
type T;
T *foo;
@@

- (T *)foo
+ foo

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agoalx: Remove casts of pointer to same type
Joe Perches [Mon, 24 Mar 2014 20:15:35 +0000 (13:15 -0700)]
alx: Remove casts of pointer to same type

Casting a pointer to a pointer of the same type is pointless,
so remove these unnecessary casts.

Done via coccinelle script:

$ cat typecast_2.cocci
@@
type T;
T *foo;
@@

- (T *)foo
+ foo

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agoaltera: Remove casts of pointer to same type
Joe Perches [Mon, 24 Mar 2014 20:15:34 +0000 (13:15 -0700)]
altera: Remove casts of pointer to same type

Casting a pointer to a pointer of the same type is pointless,
so remove these unnecessary casts.

Done via coccinelle script:

$ cat typecast_2.cocci
@@
type T;
T *foo;
@@

- (T *)foo
+ foo

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Vince Bridgers <vbridgers2013@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agochelsio: Remove addressof casts to same type
Joe Perches [Mon, 24 Mar 2014 17:45:12 +0000 (10:45 -0700)]
chelsio: Remove addressof casts to same type

Using addressof then casting to the original type is pointless,
so remove these unnecessary casts.

Done via coccinelle script:

$ cat typecast.cocci
@@
type T;
T foo;
@@

- (T *)&foo
+ &foo

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agosmsc911x: No need to print driver version
Fabio Estevam [Mon, 24 Mar 2014 15:57:26 +0000 (12:57 -0300)]
smsc911x: No need to print driver version

Having the kernel to print:

"smsc911x: Driver version 2008-10-21" on every boot is not very useful, so
remove the print of the driver version.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agosmsc911x: Do not use netdev_dbg() when device is not registered
Fabio Estevam [Mon, 24 Mar 2014 15:57:25 +0000 (12:57 -0300)]
smsc911x: Do not use netdev_dbg() when device is not registered

With debug enabled we get the following message:

smsc911x smsc911x (unregistered net_device): couldn't get clock -2

As the device has not been registered at this point, it is better to use
dev_dbg() instead of netdev_dbg().

CC: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Suggested-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agotcp: delete unused parameter in tcp_nagle_check()
Peter Pan(潘卫平) [Mon, 24 Mar 2014 06:49:34 +0000 (14:49 +0800)]
tcp: delete unused parameter in tcp_nagle_check()

After commit d4589926d7a9 (tcp: refine TSO splits), tcp_nagle_check() does
not use parameter mss_now anymore.

Signed-off-by: Weiping Pan <panweiping3@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agoMerge branch 'bnx2x-next'
David S. Miller [Wed, 26 Mar 2014 01:07:43 +0000 (21:07 -0400)]
Merge branch 'bnx2x-next'

Yuval Mintz says:

====================
bnx2x: SR-IOV patch series

(With the exception of the first patch) This series contains IOV-related
patches, where the main changes are related to the driver's IOV-support
backbone - it adds a new workqueue for IOV related tasks and removes the vfop
mechanism from the driver.

Please consider applying this series to `net-next'.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agobnx2x: Don't allow VFs to become promiscuous
Yuval Mintz [Sun, 23 Mar 2014 16:12:27 +0000 (18:12 +0200)]
bnx2x: Don't allow VFs to become promiscuous

Currently, if a VF's Rx Mode will be configured to support promiscuous mode
the PF will comply, causing the VF to actually become promiscuous.
This will enable the VF to see all unicast traffic which might be intended for
other VMs, which we believe should not be possible.

This patch will cause the hypervisor to ignore the VF's request for changes in
its Rx mode (other than disabling it), preventing it from becoming promiscuous.

Reported-by: Yoann Juet <yoann.juet@univ-nantes.fr>
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: Ariel Elior <Ariel.Elior@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agobnx2x: Don't show port statistics for VFs
Yuval Mintz [Sun, 23 Mar 2014 16:12:26 +0000 (18:12 +0200)]
bnx2x: Don't show port statistics for VFs

VFs are currently showing port statistics, although they can't really access
those - thus all such statistics will always show a value of 0.

This patch removes said statistics from the VF's view as to not confuse the
user.

Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: Ariel Elior <Ariel.Elior@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agobnx2x: Remove the sriov VFOP mechanism
Yuval Mintz [Sun, 23 Mar 2014 16:12:25 +0000 (18:12 +0200)]
bnx2x: Remove the sriov VFOP mechanism

Since we now posses a workqueue dedicated for sriov, the paradigm that sriov-
related tasks cannot sleep is no longer correct.

The VFOP mechanism was the one previously supporting said paradigm - the sriov
related tasks were broken into segments which did not require sleep, and the
mechanism re-scheduled the next segment whenever possible.

This patch remvoes the VFOP mechanism altogether - the resulting code is a much
easier to follow code; The segments are gathered into straight-forward
functions which sleep whenever neccessary.

Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: Ariel Elior <Ariel.Elior@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agobnx2x: Create workqueue for IOV related tasks
Yuval Mintz [Sun, 23 Mar 2014 16:12:24 +0000 (18:12 +0200)]
bnx2x: Create workqueue for IOV related tasks

The bnx2x sriov mechanisms were done in the bnx2x slowpath workitem which
runs on the bnx2x's workqueue; This workitem is also responsible for the bottom
half of interrupt handling in the driver, and specifically it also receives
FW notifications of ramrod completions, allowing other flows to progress.

The original design of the sriov reltaed-flows was based on the notion such
flows must not sleep, since their context is the slowpath workitem.
Otherwise, we might reach timeouts - those flows may wait for ramrod completion
that will never arrive as the workitem wlll not be re-scheduled until that same
flow will be over.

In more recent time bnx2x started supporting features in which the VF interface
can be configured by the tools accessing the PF on the hypervisor.
This support created possible races on the VF-PF lock (which is taken either
when the PF is handling a VF message or when the PF is doing some slowpath work
on behalf of the VF) which may cause timeouts on the VF side and lags on the PF
side.

This patch changes the scheme - it creates a new workqueue for sriov related
tasks and moves all handling currently done in the slowpath task into the the
new workqueue.

Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: Ariel Elior <Ariel.Elior@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agobnx2x: Support mng. request for driver version
Yuval Mintz [Sun, 23 Mar 2014 16:12:23 +0000 (18:12 +0200)]
bnx2x: Support mng. request for driver version

This adds support in a new management feature which needs the driver versions
(bnx2x, bnx2fc and bnx2i) loaded for each interface.

Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: Ariel Elior <Ariel.Elior@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agoatm: idt77105: Use del_timer_sync() in exit path
Thomas Gleixner [Sun, 23 Mar 2014 15:09:28 +0000 (15:09 +0000)]
atm: idt77105: Use del_timer_sync() in exit path

The module is about to go away. Make sure everything is stopped safely
before we pull the plug.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Chas Williams <chas@cmf.nrl.navy.mil>
Cc: atm <linux-atm-general@lists.sourceforge.net>
Cc: netdev <netdev@vger.kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agoatm: firestream: Use del_timer_sync() in teardown path
Thomas Gleixner [Sun, 23 Mar 2014 15:09:28 +0000 (15:09 +0000)]
atm: firestream: Use del_timer_sync() in teardown path

The device is about to vanish. So we need to make sure that the timer
is completely stopped and the callback is not running on another CPU.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Chas Williams <chas@cmf.nrl.navy.mil>
Cc: atm <linux-atm-general@lists.sourceforge.net>
Cc: netdev <netdev@vger.kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agomlx4: Use actual number of PCI functions (PF + VFs) for alias GUID logic
Matan Barak [Sun, 23 Mar 2014 07:50:43 +0000 (09:50 +0200)]
mlx4: Use actual number of PCI functions (PF + VFs) for alias GUID logic

The code which is dealing with SRIOV alias GUIDs in the mlx4 IB driver has some
logic which operated according to the maximal possible active functions (PF + VFs).

After the single port VFs code integration this resulted in a flow of false-positive
warnings going to the kernel log after the PF driver started the alias GUID work.

Fix it by referring to the actual number of functions.

Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
David S. Miller [Wed, 26 Mar 2014 00:29:20 +0000 (20:29 -0400)]
Merge git://git./linux/kernel/git/davem/net

Conflicts:
Documentation/devicetree/bindings/net/micrel-ks8851.txt
net/core/netpoll.c

The net/core/netpoll.c conflict is a bug fix in 'net' happening
to code which is completely removed in 'net-next'.

In micrel-ks8851.txt we simply have overlapping changes.

Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agoMerge branch 'for-davem' of git://git.kernel.org/pub/scm/linux/kernel/git/linville...
David S. Miller [Tue, 25 Mar 2014 23:25:39 +0000 (19:25 -0400)]
Merge branch 'for-davem' of git://git./linux/kernel/git/linville/wireless-next

John W. Linville says:

====================
Please pull this batch of wireless updates intended for 3.15!

For the mac80211 bits, Johannes says:

"This has a whole bunch of bugfixes for things that went into -next
previously as well as some other bugfixes I didn't want to rush into
3.14 at this point. The rest of it is some cleanups and a few small
features, the biggest of which is probably Janusz's regulatory DFS CAC
time code."

For the Bluetooth bits, Gustavo says:

"One more pull request to 3.15. This is mostly and bug fix pull request, it
contains several fixes and clean up all over the tree, plus some small new
features."

For the NFC bits, Samuel says:

"This is the NFC pull request for 3.15. With this one we have:

- Support for ISO 15693 a.k.a. NFC vicinity a.k.a. Type 5 tags. ISO
  15693 are long range (1 - 2 meters) vicinity tags/cards. The kernel
  now supports those through the NFC netlink and digital APIs.

- Support for TI's trf7970a chipset. This chipset relies on the NFC
  digital layer and the driver currently supports type 2, 4A and 5 tags.

- Support for NXP's pn544 secure firmare download. The pn544 C3 chipsets
  relies on a different firmware download protocal than the C2 one. We
  now support both and use the right one depending on the version we
  detect at runtime.

- Support for 4A tags from the NFC digital layer.

- A bunch of cleanups and minor fixes from Axel Lin and Thierry Escande."

For the iwlwifi bits, Emmanuel says:

"We were sending a host command while the mutex wasn't held. This
led to hard-to-catch races."

And...

"I have a fix for a "merge damage" which is not really a merge
damage: it enables scheduled scan which has been disabled in
wireless.git. Since you merged wireless.git into wireless-next.git,
this can now be fixed in wireless-next.git.

Besides this, Alex made a workaround for a hardware bug. This fix
allows us to consume less power in S3. Arik and Eliad continue to
work on D0i3 which is a run-time power saving feature. Eliad also
contributes a few bits to the rate scaling logic to which Eyal adds his
own contribution. Avri dives deep in the power code - newer firmware
will allow to enable power save in newer scenarios. Johannes made a few
clean-ups. I have the regular amount of BT Coex boring stuff. I disable
uAPSD since we identified firmware bugs that cause packet loss. One
thing that do stand out is the udev event that we now send when the
FW asserts. I hope it will allow us to debug the FW more easily."

Also included is one last iwlwifi pull for a build breakage fix...

For the Atheros bits, Kalle says:

"Michal now did some optimisations and was able to improve throughput by
100 Mbps on our MIPS based AP135 platform. Chun-Yeow added some
workarounds to be able to better use ad-hoc mode. Ben improved log
messages and added support for MSDU chaining. And, as usual, also some
smaller fixes."

Beyond that...

Andrea Merello continues his rtl8180 refactoring, in preparation for
a long-awaited rtl8187 driver.  We get a new driver (rsi) for the
RS9113 chip, from Fariya Fatima.  And, of course, we get the usual
round of updates for ath9k, brcmfmac, mwifiex, wil6210, etc. as well.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agoxen-netback: Proper printf format for ptrdiff_t is 't'.
David S. Miller [Tue, 25 Mar 2014 23:02:16 +0000 (19:02 -0400)]
xen-netback: Proper printf format for ptrdiff_t is 't'.

This fixes:

drivers/net/xen-netback/netback.c: In function ‘xenvif_tx_dealloc_action’:
drivers/net/xen-netback/netback.c:1573:8: warning: format ‘%x’ expects argument of type ‘unsigned int’, but argument 3 has type ‘long int’ [-Wformat=]

Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agoRevert "xen-netback: Aggregate TX unmap operations"
Zoltan Kiss [Fri, 21 Mar 2014 17:23:04 +0000 (17:23 +0000)]
Revert "xen-netback: Aggregate TX unmap operations"

This reverts commit e9275f5e2df1b2098a8cc405d87b88b9affd73e6. This commit is the
last in the netback grant mapping series, and it tries to do more aggressive
aggreagtion of unmap operations. However practical use showed almost no
positive effect, whilst with certain frontends it causes significant performance
regression.

Signed-off-by: Zoltan Kiss <zoltan.kiss@citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agoMerge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/net...
David S. Miller [Tue, 25 Mar 2014 22:54:36 +0000 (18:54 -0400)]
Merge branch 'master' of git://git./linux/kernel/git/ebiederm/net-next

Eric W. Biederman says:

====================
Using dev_kfree/consume_skb_any for functions called in multiple contexts

These changes are a result of walking through the network drivers
supporting netpoll and verifying the code paths that netpoll can cause
to be called in hard irq context use an appropriate flavor of
kfree_skb.  Either dev_kfree_skb_any or dev_consume_skb_any.

Since my last pass at this I have become aware of the small differences
between dev_kfree_skb_any and dev_consume_skb_any.
net/core/drop_monitor.c reports the dev_kfree_skb_any as a drop and
while being quite about the second.  With the weird twist that
dev_kfree_skb is unintuitively consume_skb.

As netpoll now calls the napi poll function with budget == 0, pieces of
a drivers the napi poll function that don't run when budget == 0 have
been ignored.

The most interesting change is to the atl1c which tried unsuccesfully to
tell one of it's functions which context it is called in so that it
could call dev_kfree_skb_irq or dev_kfree_skb as appropriate.  I have
just removed the extra parameter and called dev_consume_skb_any.

At 54 separate changes I will post each change as a separate patch (so
they can be reviewed) but for general sanity sake I have gathered them
all into a git branch for easy acces.
====================

Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agoMerge branch 'nfsd-next' of git://linux-nfs.org/~bfields/linux
Linus Torvalds [Tue, 25 Mar 2014 22:24:11 +0000 (15:24 -0700)]
Merge branch 'nfsd-next' of git://linux-nfs.org/~bfields/linux

Pull nfsd fix frm Bruce Fields:
 "J R Okajima sent this early and I was just slow to pass it along,
  apologies.  Fortunately it's a simple fix"

* 'nfsd-next' of git://linux-nfs.org/~bfields/linux:
  nfsd: fix lost nfserrno() call in nfsd_setattr()

10 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Linus Torvalds [Tue, 25 Mar 2014 22:05:57 +0000 (15:05 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/viro/vfs

Pull vfs fixes from Al Viro:
 "These four commits are obvious fixes (a couple of fdget_pos()-related
  ones from Eric Biggers, prepend_name() fix, missing checks for false
  negatives from __lookup_mnt() in fs/namei.c)"

For now I'm pulling just the four obvious fixes, there's another four
pending in Al's 'for-linus' branch wrt the mnt_hash list that were more
involved.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  rcuwalk: recheck mount_lock after mountpoint crossing attempts
  make prepend_name() work correctly when called with negative *buflen
  vfs: Don't let __fdget_pos() get FMODE_PATH files
  vfs: atomic f_pos access in llseek()

10 years agoif_vlan: Call dev_kfree_skb_any instead of kfree_skb.
Eric W. Biederman [Fri, 21 Mar 2014 02:50:33 +0000 (19:50 -0700)]
if_vlan: Call dev_kfree_skb_any instead of kfree_skb.

Replace kfree_skb with dev_kfree_skb_any in vlan_insert_tag as
vlan_insert_tag can be called from hard irq context (netpoll)
and from other contexts.

dev_kfree_skb_any is used as vlan_insert_tag only frees the skb if the
skb can not be modified to insert a tag, in which case vlan_insert_tag
drops the skb.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agovirtio_net: Call dev_kfree_skb_any instead of dev_kfree_skb.
Eric W. Biederman [Sun, 16 Mar 2014 01:43:33 +0000 (18:43 -0700)]
virtio_net: Call dev_kfree_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_kfree_skb_any in start_xmit which can
be called in hard irq and other contexts.

start_xmit only frees skbs that it is dropping.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agostaging/octeon-ethernet: Call dev_kfree/consume_skb_any instead of dev_kfree_skb.
Eric W. Biederman [Sun, 16 Mar 2014 01:39:19 +0000 (18:39 -0700)]
staging/octeon-ethernet: Call dev_kfree/consume_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_kfree_skb_any in cvm_oct_xmit_pow which
can be called in hard irq and other contexts, on the code paths that
drop packets.

Replace dev_kfree_skb with dev_consume_skb_any in cvm_oct_xmit_pow which
can be called in hard irq and other contexts, on the code path where
the packet is transmitted successfully.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agowlags49_h2: Call dev_kfree/consume_skb_any instead of dev_kfree_skb.
Eric W. Biederman [Sun, 16 Mar 2014 01:35:40 +0000 (18:35 -0700)]
wlags49_h2: Call dev_kfree/consume_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_consume_skb_any in wl_send and
wl_send_dma which can be called in hard irq and other contexts,
on the code paths where the skb was transmitted successfully.

Replace dev_kfree_skb with dev_kfree_skb_any in wl_send_dmay which can
be called in hard irq and other contexts, on the code path where a
skb is dropped.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agoxen-netfront: Call dev_kfree_skb_any instead of dev_kfree_skb.
Eric W. Biederman [Sun, 16 Mar 2014 01:33:04 +0000 (18:33 -0700)]
xen-netfront: Call dev_kfree_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_kfree_skb_any in xennet_start_xmit
which can be called in hard irq and other contexts.  xennet_start_xmit
only fress skbs which it drops.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agovmxnet3: Call dev_kfree_skb_any instead of dev_kfree_skb.
Eric W. Biederman [Sun, 16 Mar 2014 01:31:16 +0000 (18:31 -0700)]
vmxnet3: Call dev_kfree_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_kfree_skb_any in vmnet3_tx_xmit which
can be called in hard irq and other contexts.  vmnet3_tx_xmit only
frees skbs that it has dropped.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agoxilinx_emaclite: Call dev_consume_skb_any instead of dev_kfree_skb.
Eric W. Biederman [Sun, 16 Mar 2014 01:27:33 +0000 (18:27 -0700)]
xilinx_emaclite: Call dev_consume_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_consume_skb_any in xemaclite_send which
can be called in hard irq and other contexts.  xemacelite_send only
frees skbs that it has successfully transmitted.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agovia-velocity: Call dev_kfree_skb_any instead of kfree_skb.
Eric W. Biederman [Sun, 16 Mar 2014 01:25:05 +0000 (18:25 -0700)]
via-velocity: Call dev_kfree_skb_any instead of kfree_skb.

Replace dev_kfree_skb with dev_kfree_skb_any in velocity_xmit that can
be called in hard irq and other contexts.  Packets are freed and
dropped in velocity_xmit when they are too fragmented and can
not be linearized.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agovia-rhine: Call dev_kfree/consume_skb_any instead of dev_kfree_skb.
Eric W. Biederman [Sun, 16 Mar 2014 01:22:47 +0000 (18:22 -0700)]
via-rhine: Call dev_kfree/consume_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_kfree_skb_any in rhine_start_tx which
can be called in hard irq and other contexts.  Packets are only freed
in rhine_start_tx if they are dropped.

Replace dev_kfree_skb with dev_consume_skb_any in rhine_tx that can be
called in hard irq and other contexts.  rhine_tx handles successfully
transmitted packets.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agospider_net: Call dev_consume_skb_any instead of dev_kfree_skb.
Eric W. Biederman [Sun, 16 Mar 2014 01:20:12 +0000 (18:20 -0700)]
spider_net: Call dev_consume_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_consume_skb_any in
spider_net_release_tx_chain which can be called in hard irq and other
contexts.

dev_consume_skb_any was choosen as it preserves the current
dev_kfree_skb semantics (dev_kfree_skb is consume_skb) and
is because it is correct most of the time as most packets
will have been successfully transmitted not dropeed.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agotilepro: Call dev_consume_skb_any instead of kfree_skb.
Eric W. Biederman [Sun, 16 Mar 2014 01:18:02 +0000 (18:18 -0700)]
tilepro: Call dev_consume_skb_any instead of kfree_skb.

Replace kfree_skb with dev_consume_skb_any in tile_net_tx and
tile_net_tx_tso which can be called in hard irq and other contexts.

At the point where the skbs are freed a packet has been successfully
transmitted so dev_consume_skb_any is the appropriate variant to use.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agosungem: Call dev_consume_skb_any instead of dev_kfree_skb.
Eric W. Biederman [Sun, 16 Mar 2014 01:13:13 +0000 (18:13 -0700)]
sungem: Call dev_consume_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_consume_skb_any in gem_tx which can be
called in hard irq and other contexts.  gem_tx handles successfully
transmitted packets.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agostmmac: Call dev_consume_skb_any instead of dev_kfree_skb.
Eric W. Biederman [Sun, 16 Mar 2014 01:11:09 +0000 (18:11 -0700)]
stmmac: Call dev_consume_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_consume_skb_any in stmmac_tx_clean that can
be called in hard irq and other contexts.  stmmac_tx_clean handles
freeing successfully transmitted packets.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agosmsc911x: Call dev_consume_skb_any instead of dev_kfree_skb.
Eric W. Biederman [Sun, 16 Mar 2014 01:08:52 +0000 (18:08 -0700)]
smsc911x: Call dev_consume_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_consume_skb_any in smsc911x_hard_xmit
which can be called in hard irq and other contexts. smsc911x_hard_xmit
always transmits and consumes the specified skb.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agosmc91x: Call dev_kfree/consume_skb_any instead of dev_kfree_skb.
Eric W. Biederman [Sun, 16 Mar 2014 01:08:04 +0000 (18:08 -0700)]
smc91x: Call dev_kfree/consume_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_consume_skb_any in
smc_hardware_send_pkt that can be called in hard irq and other
contexts, and handles successfully transmitted packets.

Replace dev_kfree_skb with dev_kfree_skb_any in smc_hard_start_xmit which
can be called in hard irq and other contexts, and only frees skbs
when dropping them.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agosmc911x: Call dev_kfree_skb_any instead of dev_kfree_skb.
Eric W. Biederman [Sun, 16 Mar 2014 01:06:09 +0000 (18:06 -0700)]
smc911x: Call dev_kfree_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_kfree_skb_any in functions that can
be called in hard irq and other contexts.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agosis900: Call dev_kfree_skb_any instead of dev_kfree_skb.
Eric W. Biederman [Sun, 16 Mar 2014 01:03:36 +0000 (18:03 -0700)]
sis900: Call dev_kfree_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_kfree_skb_any in functions that can
be called in hard irq and other contexts.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agosc92031: Call dev_consume_skb_any instead of dev_kfree_skb.
Eric W. Biederman [Sun, 16 Mar 2014 01:01:13 +0000 (18:01 -0700)]
sc92031: Call dev_consume_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_consume_skb_any in sc92031_start_xmit
that can be called in hard irq and other contexts.

Using dev_consume_skb_any preserves the current semantics (as
dev_kfree_skb is just consume_skb) and since packet drops
are rare is usually accurate.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agoforcedeth: Call dev_kfree_skb_any instead of kfree_skb.
Eric W. Biederman [Sun, 16 Mar 2014 00:54:27 +0000 (17:54 -0700)]
forcedeth: Call dev_kfree_skb_any instead of kfree_skb.

Replace kfree_skb with dev_kfree_skb_any in functions that can
be called in hard irq and other contexts.

Every location changes is a drop making dev_kfree_skby_any appropriate.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agovxge: Call dev_kfree_skb_any instead of dev_kfree_skb.
Eric W. Biederman [Sun, 16 Mar 2014 00:51:57 +0000 (17:51 -0700)]
vxge: Call dev_kfree_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_kfree_skb_any in vxge_xmit that can
be called in hard irq and other contexts.

vxge_xmit only calls dev_kfree_skb_any when errors result in dropping
skbs.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agos2io: Call dev_kfree_skb_any instead of dev_kfree_skb.
Eric W. Biederman [Sun, 16 Mar 2014 00:47:58 +0000 (17:47 -0700)]
s2io: Call dev_kfree_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_kfree_skb_any in s2io_xmit that can
be called in hard irq and other contexts.

All instances that are changed are packet drops.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agoksz884x: Call dev_consume_skb_any instead of dev_kfree_skb.
Eric W. Biederman [Tue, 25 Mar 2014 00:41:43 +0000 (17:41 -0700)]
ksz884x: Call dev_consume_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_consume_skb_any in copy_old_skb that can
be called in hard irq and other contexts.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agosky2: Call dev_kfree_skb_any instead of dev_kfree_skb.
Eric W. Biederman [Sun, 16 Mar 2014 00:40:17 +0000 (17:40 -0700)]
sky2: Call dev_kfree_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_kfree_skb_any in sky2_xmit_frame that
can be called in hard irq and other contexts.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agoskge: Call dev_kfree/consume_skb_any instead of dev_kfree_skb.
Eric W. Biederman [Sun, 16 Mar 2014 00:38:42 +0000 (17:38 -0700)]
skge: Call dev_kfree/consume_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_kfree_skb_any skge_xmit_free that can
be called in hard irq and other contexts, on the path that
handles dropped packets.

Replace dev_kfree_skb with dev_consume_skb_any in skge_tx_done that can
be called in hard irq and other contexts, on the path that handles
successfully transmitted skbs.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agomv643xx_eth: Call dev_kfree_skb_any instead of dev_kfree_skb.
Eric W. Biederman [Sun, 16 Mar 2014 00:36:05 +0000 (17:36 -0700)]
mv643xx_eth: Call dev_kfree_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_kfree_skb_any in mv643xx_eth_xmit and
txq_submit_skb that can be called in hard irq and other contexts,
on paths where the skbs are dropped.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agojme: Call dev_kfree_skb_any instead of dev_kfree_skb.
Eric W. Biederman [Sun, 16 Mar 2014 00:32:41 +0000 (17:32 -0700)]
jme: Call dev_kfree_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_kfree_skb_any in jme_expand_header that
can be called in hard irq and other contexts, on the failure
path where the skb is dropped.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agoibmveth: Call dev_consume_skb_any instead of dev_kfree_skb.
Eric W. Biederman [Sun, 16 Mar 2014 00:29:34 +0000 (17:29 -0700)]
ibmveth: Call dev_consume_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_consume_skb_any in ibmveth_start_xmit
that can be called in hard irq and other contexts.

In this code path the packet can have either been transmitted
or dropped, dev_consume_skb_any was choosen because that preserves
the existing semantics of the code, and a transmitted packet is
more likely.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agoehea: Call dev_consume_skb_any instead of dev_kfree_skb.
Eric W. Biederman [Sun, 16 Mar 2014 00:25:48 +0000 (17:25 -0700)]
ehea: Call dev_consume_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_consume_skb_any in functions that can
be called in hard irq and other contexts.

None of the locations was a packet drop so dev_kfree_skb_any is
inappropriate.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agoi825xx: Call dev_kfree_skb_any instead of dev_kfree_skb.
Eric W. Biederman [Sun, 16 Mar 2014 00:20:57 +0000 (17:20 -0700)]
i825xx: Call dev_kfree_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_kfree_skb_any in i596_start_xmit that
can be called in hard irq and other contexts, when the skb is dropped.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agoucc_geth: Call dev_consume_skb_any instead of dev_kfree_skb.
Eric W. Biederman [Sun, 16 Mar 2014 00:16:22 +0000 (17:16 -0700)]
ucc_geth: Call dev_consume_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_consume_skb_any in ucc_geth_tx that can
be called in hard irq and other contexts, when processing the
tx completion event.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agofec: Call dev_kfree_skb_any instead of kfree_skb.
Eric W. Biederman [Sun, 16 Mar 2014 00:12:53 +0000 (17:12 -0700)]
fec: Call dev_kfree_skb_any instead of kfree_skb.

Replace kfree_skb with dev_kfree_skb_any in fec_enet_start_xmit that
can be called in hard irq and other contexts, when the packet is
dropped.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agosundance: Call dev_kfree_skb_any instead of dev_kfree_skb.
Eric W. Biederman [Sun, 16 Mar 2014 00:10:50 +0000 (17:10 -0700)]
sundance: Call dev_kfree_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_kfree_skb_any in start_tx that can
be called in hard irq and other contexts, when the skb is dropped.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agouli526x: Call dev_kfree/consume_skb_any instead of dev_kfree_skb.
Eric W. Biederman [Sun, 16 Mar 2014 00:05:27 +0000 (17:05 -0700)]
uli526x: Call dev_kfree/consume_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_kfree_skb_any in uli562x_start_xmit
that can be called in hard irq and other contexts, when the packet is
dropped.

Replace dev_kfree_skb with dev_consume_skb_any in uli562x_start_xmit
that can be called in hard irq and other contexts, when the packet is
transmitted.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agodmfe: Call dev_kfree/consume_skb_any instead of dev_kfree_skb.
Eric W. Biederman [Sat, 15 Mar 2014 23:59:27 +0000 (16:59 -0700)]
dmfe: Call dev_kfree/consume_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_kfree_skb_any in dmfe_start_xmit that
can be called in hard irq and other contexts, when the packet is
dropped.

Replace dev_kfree_skb with dev_consume_skb_any in dmfe_start_xmit that
can be called in hard irq and other contexts, when the packet is
transmitted.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agodm9000: Call dev_consume_skb_any instead of dev_kfree_skb.
Eric W. Biederman [Sat, 15 Mar 2014 23:53:09 +0000 (16:53 -0700)]
dm9000: Call dev_consume_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_consume_skb_any in dm9000_start_xmit
that can be called in hard irq and other contexts, on the path
that successfully transmits the packet.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agoenic: Call dev_kfree_skb_any instead of dev_kfree_skb.
Eric W. Biederman [Sat, 15 Mar 2014 23:49:05 +0000 (16:49 -0700)]
enic: Call dev_kfree_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_kfree_skb_any in enic_hard_start_xmit
that can be called in hard irq and other contexts.

enic_hard_start_xmit only frees the skb when dropping it.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agocs89x0: Call dev_consume_skb_any instead of dev_kfree_skb.
Eric W. Biederman [Sat, 15 Mar 2014 23:45:46 +0000 (16:45 -0700)]
cs89x0: Call dev_consume_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_consume_skb_any in net_send_packet that
can be called in hard irq and other contexts.

net_send_packet consumes (not drops) the skb of interest.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agocxfb4vf: Call dev_kfree/consume_skb_any instead of [dev_]kfree_skb.
Eric W. Biederman [Sat, 15 Mar 2014 23:31:32 +0000 (16:31 -0700)]
cxfb4vf: Call dev_kfree/consume_skb_any instead of [dev_]kfree_skb.

Replace kfree_skb with dev_consume_skb_any in free_tx_desc that can be
called in hard irq and other contexts. dev_consume_skb_any is used
as this function consumes successfully transmitted skbs.

Replace dev_kfree_skb with dev_kfree_skb_any in t4vf_eth_xmit that can
be called in hard irq and other contexts, on paths that drop the skb.

Replace dev_kfree_skb with dev_consume_skb_any in t4vf_eth_xmit that can
be called in hard irq and other contexts, on paths that successfully
transmit the skb.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agocxgb4: Call dev_kfree/consume_skb_any instead of [dev_]kfree_skb.
Eric W. Biederman [Sat, 15 Mar 2014 23:29:49 +0000 (16:29 -0700)]
cxgb4: Call dev_kfree/consume_skb_any instead of [dev_]kfree_skb.

Replace kfree_skb with dev_consume_skb_any in free_tx_desc that can be
called in hard irq and other contexts. dev_consume_skb_any is used
as this function consumes successfully transmitted skbs.

Replace dev_kfree_skb with dev_kfree_skb_any in t4_eth_xmit that can
be called in hard irq and other contexts, on paths that drop the skb.

Replace dev_kfree_skb with dev_consume_skb_any in t4_eth_xmit that can
be called in hard irq and other contexts, on paths that successfully
transmit the skb.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agocxgb3: Call dev_kfree/consume_skb_any instead of [dev_]kfree_skb.
Eric W. Biederman [Sat, 15 Mar 2014 23:23:31 +0000 (16:23 -0700)]
cxgb3: Call dev_kfree/consume_skb_any instead of [dev_]kfree_skb.

Replace kfree_skb with dev_consume_skb_any in free_tx_desc, and
write_tx_pkt_wr that can be called in hard irq and other contexts.

Replace dev_kfree_skb with dev_kfree_skb_any in t3_eth_xmit that can
be called in hard irq and other contexts.

dev_kfree_skb is replaced with dev_kfree_skb_any in t3_eth_xmit as
that location is a packet drop, while kfree_skb in free_tx_desc,
and in write_tx_pkt_wr are places where packets are consumed
in a healthy manner.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agoxgmac: Call dev_kfree/consume_skb_any instead of dev_kfree_skb.
Eric W. Biederman [Sat, 15 Mar 2014 23:10:54 +0000 (16:10 -0700)]
xgmac: Call dev_kfree/consume_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_consume_skb_any in xgmac_tx_complete
that can be called in hard irq and other contexts.

Replace dev_kfree_skb with dev_kfree_skb_any in xgmac_xmit that can
be called in hard irq and other contexts.

dev_consume_skb_any is used in xgamc_tx_complete as skbs that reach
there have been successfully transmitted, dev_kfree_skby_any is used
in xgmac_xmit as skbs that are freed there are being dropped.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agomacb: Call dev_kfree_skb_any instead of kfree_skb.
Eric W. Biederman [Sat, 15 Mar 2014 23:08:27 +0000 (16:08 -0700)]
macb: Call dev_kfree_skb_any instead of kfree_skb.

Replace kfree_skb with dev_kfree_skb_any in macb_start_xmit that can
be called in hard irq and other contexts.

macb_start_xmit only frees skbs when dropping them so
dev_kfree_skb_any is used.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agobnad: Call dev_kfree_skb_any instead of dev_kfree_skb.
Eric W. Biederman [Sat, 15 Mar 2014 23:06:40 +0000 (16:06 -0700)]
bnad: Call dev_kfree_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_kfree_skb_any in bnad_start_xmit that
can be called in hard irq and other contexts.

dev_kfree_skb_any is used as bnad_start_xmit only frees skbs when to
drop them, normally transmitted packets are handled elsewhere.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agoatl1c: Call dev_kfree/consume_skb_any instead of dev_kfree_skb.
Eric W. Biederman [Sat, 15 Mar 2014 22:58:10 +0000 (15:58 -0700)]
atl1c: Call dev_kfree/consume_skb_any instead of dev_kfree_skb.

The call path: atl1c_xmit_frame, atlc_tx_rollback, atl1c_clean_buffer
can not be tell at compile time if it will be invoked from hard irq
or other context, as atl1c_xmit_frame does not know.  So remove
the logic that  passes the compile time knowledge into al1c_clean_buffer
and figure out it out at runtime with dev_consume_skb_any.

Replace dev_kfree_skb with dev_kfree_skb_any in atl1c_xmit_frame that
can be called in hard irq and other contexts.

Replace dev_kfree_skb and dev_kfree_skb_irq with dev_consume_skb_any
in atl1c_clean_buffer that can be called in hard irq and other
contexts.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agoalx: Call dev_kfree_skb_any instead of dev_kfree_skb.
Eric W. Biederman [Sat, 15 Mar 2014 22:53:09 +0000 (15:53 -0700)]
alx: Call dev_kfree_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_kfree_skb_any in alx_start_xmit that
can be called in hard irq and other contexts.

dev_kfree_skb_any is used as alx_start_xmit only frees skbs
when dropping them.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agopcnet32: Call dev_kfree_skb_any instead of dev_kfree_skb.
Eric W. Biederman [Sat, 15 Mar 2014 22:49:08 +0000 (15:49 -0700)]
pcnet32: Call dev_kfree_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_kfree_skb_any in pcnet32_start_xmit
that can be called in hard irq and other contexts.

dev_kfree_skb_any is used as pcnet32_start_xmit only frees an
skb when it drops a packet during transmit.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agolance: Call dev_consume_skb_any instead of dev_kfree_skb.
Eric W. Biederman [Sat, 15 Mar 2014 22:48:50 +0000 (15:48 -0700)]
lance: Call dev_consume_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_consume_skb_any in lance_start_xmit
that can be called in hard irq and other contexts.

dev_consume_skb_any is used as lance_start_xmit always immediately
consumes the skb.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agoam79c961a: Call dev_consume_skb_any instead of dev_kfree_skb.
Eric W. Biederman [Tue, 25 Mar 2014 04:18:40 +0000 (21:18 -0700)]
am79c961a: Call dev_consume_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_consume_skb_any in am79c961 that can
be called in hard irq and other contexts.

dev_consume_skb_any is used as am79c961_sendpacket always
immediately consumes the skb.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agosun4i-emac: Call dev_consume_skb_any instead of dev_kfree_skb.
Eric W. Biederman [Tue, 25 Mar 2014 04:13:02 +0000 (21:13 -0700)]
sun4i-emac: Call dev_consume_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_consume_skb_any in emacs_start_xmit
which can be called in hard irq and other contexts.

emac_start_xmit always transmits the packet making dev_consume_skb
the appropriate function to call.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
10 years agoLinux 3.14-rc8 v3.14-rc8
Linus Torvalds [Tue, 25 Mar 2014 02:31:17 +0000 (19:31 -0700)]
Linux 3.14-rc8

10 years agoMerge branch 'parisc-3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/deller...
Linus Torvalds [Tue, 25 Mar 2014 00:36:58 +0000 (17:36 -0700)]
Merge branch 'parisc-3.14' of git://git./linux/kernel/git/deller/parisc-linux

Pull parisc updates from Helge Deller:
 - revert parts of the latest patch regarding font selection with STICON
   console
 - wire up the utimes() syscall for parisc
 - remove the unused parisc tmpalias code and unnecessary arch*relax
   defines

* 'parisc-3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
  parisc: locks: remove redundant arch_*_relax operations
  parisc: wire up sys_utimes
  parisc: Remove unused CONFIG_PARISC_TMPALIAS code
  partly revert commit 8a10bc9: parisc/sti_console: prefer Linux fonts over built-in ROM fonts

10 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
Linus Torvalds [Tue, 25 Mar 2014 00:30:44 +0000 (17:30 -0700)]
Merge git://git./linux/kernel/git/davem/sparc

Pull sparc fixes from David Miller:

 1) Do serial locking in a way that makes things clear that these are
    IRQ spinlocks.

 2) Conversion to generic idle loop broke first generation Niagara
    machines, need to have %pil interrupts enabled during cpu yield
    hypervisor call.

 3) Do not use magic constants for iterations over tsb tables, from Doug
    Wilson.

 4) Fix erroneous truncation of 64-bit system call return values to
    32-bit.  From Dave Kleikamp.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
  sparc64: Make sure %pil interrupts are enabled during hypervisor yield.
  sparc64:tsb.c:use array size macro rather than number
  sparc64: don't treat 64-bit syscall return codes as 32-bit
  sparc: serial: Clean up the locking for -rt

10 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Linus Torvalds [Tue, 25 Mar 2014 00:07:24 +0000 (17:07 -0700)]
Merge git://git./linux/kernel/git/davem/net

Pull networking fixes from David Miller:

 1) OpenVswitch's lookup_datapath() returns error pointers, so don't
    check against NULL.  From Jiri Pirko.

 2) pfkey_compile_policy() code path tries to do a GFP_KERNEL allocation
    under RCU locks, fix by using GFP_ATOMIC when necessary.  From
    Nikolay Aleksandrov.

 3) phy_suspend() indirectly passes uninitialized data into the ethtool
    get wake-on-land implementations.  Fix from Sebastian Hesselbarth.

 4) CPSW driver unregisters CPTS twice, fix from Benedikt Spranger.

 5) If SKB allocation of reply packet fails, vxlan's arp_reduce() defers
    a NULL pointer.  Fix from David Stevens.

 6) IPV6 neigh handling in vxlan doesn't validate the destination
    address properly, and it builds a packet with the src and dst
    reversed.  Fix also from David Stevens.

 7) Fix spinlock recursion during subscription failures in TIPC stack,
    from Erik Hugne.

 8) Revert buggy conversion of davinci_emac to devm_request_irq, from
    Chrstian Riesch.

 9) Wrong flags passed into forwarding database netlink notifications,
    from Nicolas Dichtel.

10) The netpoll neighbour soliciation handler checks wrong ethertype,
    needs to be ETH_P_IPV6 rather than ETH_P_ARP.  Fix from Li RongQing.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (34 commits)
  tipc: fix spinlock recursion bug for failed subscriptions
  vxlan: fix nonfunctional neigh_reduce()
  net: davinci_emac: Fix rollback of emac_dev_open()
  net: davinci_emac: Replace devm_request_irq with request_irq
  netpoll: fix the skb check in pkt_is_ns
  net: micrel : ks8851-ml: add vdd-supply support
  ip6mr: fix mfc notification flags
  ipmr: fix mfc notification flags
  rtnetlink: fix fdb notification flags
  tcp: syncookies: do not use getnstimeofday()
  netlink: fix setsockopt in mmap examples in documentation
  openvswitch: Correctly report flow used times for first 5 minutes after boot.
  via-rhine: Disable device in error path
  ATHEROS-ATL1E: Convert iounmap to pci_iounmap
  vxlan: fix potential NULL dereference in arp_reduce()
  cnic: Update version to 2.5.20 and copyright year.
  cnic,bnx2i,bnx2fc: Fix inconsistent use of page size
  cnic: Use proper ulp_ops for per device operations.
  net: cdc_ncm: fix control message ordering
  ipv6: ip6_append_data_mtu do not handle the mtu of the second fragment properly
  ...