7 years agonet: Add framework to allow sending packets with customized CRC.
Ben Greear [Sat, 11 Feb 2012 15:39:30 +0000]
net: Add framework to allow sending packets with customized CRC.

This is useful for testing RX handling of frames with bad
CRCs.

Requires driver support to actually put the packet on the
wire properly.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

7 years agoe1000e: Support RXFCS feature flag.
Ben Greear [Sat, 11 Feb 2012 15:39:25 +0000]
e1000e: Support RXFCS feature flag.

This enables enabling/disabling reception of the Ethernet
FCS.  This can be useful when sniffing packets.

For e1000e, enabling RXFCS can change the default
behaviour for how the NIC handles CRC.  Disabling RXFCS
will take the NIC back to defaults, which can be configured
as part of the module options.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

7 years agonet: Support RXFCS feature flag.
Ben Greear [Sat, 11 Feb 2012 15:39:14 +0000]
net: Support RXFCS feature flag.

When set on hardware that supports the feature,
this causes the Ethernet FCS to be appended
to the end of the skb.

Useful for sniffing packets.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

7 years agodavinci_mdio: Correct bitmask for clock divider value
Christian Riesch [Wed, 22 Feb 2012 22:07:58 +0000]
davinci_mdio: Correct bitmask for clock divider value

The CLKDIV bitfield in the MDIO Control Register is a 16 bit field,
therefore the CLKDIV value may range from 0 to 0xffff.

Signed-off-by: Christian Riesch <christian.riesch@omicron.at>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agodavinci_cpdma: Fix channel number written to teardown registers
Christian Riesch [Wed, 22 Feb 2012 21:58:00 +0000]
davinci_cpdma: Fix channel number written to teardown registers

chan->chan_num is 0..CPDMA_MAX_CHANNELS-1 for tx channels and
CPDMA_MAX_CHANNELS..2*CPDMA_MAX_CHANNELS-1 for rx channels. However,
the rx and tx teardown registers expect zero based channel numbering.

Since the upper bits of the registers are reserved, the teardown also
worked before, this patch is cleanup only.

Signed-off-by: Christian Riesch <christian.riesch@omicron.at>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agobe2net: update driver version
Sathya Perla [Thu, 23 Feb 2012 18:50:17 +0000]
be2net: update driver version

Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agobe2net: enable RSS for ipv6 pkts
Sathya Perla [Thu, 23 Feb 2012 18:50:16 +0000]
be2net: enable RSS for ipv6 pkts

Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agobe2net: reset queue address after freeing
Sathya Perla [Thu, 23 Feb 2012 18:50:15 +0000]
be2net: reset queue address after freeing

This will prevent double free in some cases where be_clear() is called
for cleanup when be_setup() fails half-way.

Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agobe2net: fix tx completion cleanup
Sathya Perla [Thu, 23 Feb 2012 18:50:14 +0000]
be2net: fix tx completion cleanup

As a part of be_close(), instead of waiting for a max of 200ms for each TXQ,
wait for a total of 200ms for completions from all TXQs to arrive.

Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agobe2net: cancel be_worker during EEH recovery
Sathya Perla [Thu, 23 Feb 2012 18:50:13 +0000]
be2net: cancel be_worker during EEH recovery

EEH recovery involves ring cleanup and re-creation. The worker
thread must not run during EEH cleanup/resume.

Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoStaging: et131x: unify return value of .ndo_set_mac_address if address is invalid
Danny Kukawka [Thu, 23 Feb 2012 22:11:39 +0000]
Staging: et131x: unify return value of .ndo_set_mac_address if address is invalid

Unify return value of .ndo_set_mac_address if the given address
isn't valid. Return -EADDRNOTAVAIL as eth_mac_addr() already does
if is_valid_ether_addr() fails.

Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agobr_device: unify return value of .ndo_set_mac_address if address is invalid
Danny Kukawka [Tue, 21 Feb 2012 02:07:52 +0000]
br_device: unify return value of .ndo_set_mac_address if address is invalid

Unify return value of .ndo_set_mac_address if the given address
isn't valid. Return -EADDRNOTAVAIL as eth_mac_addr() already does
if is_valid_ether_addr() fails.

Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de>
Acked-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agomcs7830: unify return value of .ndo_set_mac_address if address is invalid
Danny Kukawka [Tue, 21 Feb 2012 02:07:50 +0000]
mcs7830: unify return value of .ndo_set_mac_address if address is invalid

Unify return value of .ndo_set_mac_address if the given address
isn't valid. Return -EADDRNOTAVAIL as eth_mac_addr() already does
if is_valid_ether_addr() fails.

Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoethernet: unify return value of .ndo_set_mac_address if address is invalid
Danny Kukawka [Tue, 21 Feb 2012 02:07:49 +0000]
ethernet: unify return value of .ndo_set_mac_address if address is invalid

Unify return value of .ndo_set_mac_address if the given address
isn't valid. Return -EADDRNOTAVAIL as eth_mac_addr() already does
if is_valid_ether_addr() fails.

Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoMerge branch 'for-davem' of git://git.kernel.org/pub/scm/linux/kernel/git/bwh/sfc...
David S. Miller [Thu, 23 Feb 2012 19:30:46 +0000]
Merge branch 'for-davem' of git://git./linux/kernel/git/bwh/sfc-next

7 years agotg3: Create timer helper functions
Matt Carlson [Wed, 22 Feb 2012 12:35:21 +0000]
tg3: Create timer helper functions

This patch seeks to clean up the timer related code.  It begins by
moving one-time timer setup code from tg3_open() to tg3_init_one().
It then creates a function that encapsulates the code needed to start
the timer.  A tg3_timer_stop() function was added for parity.  Finally,
this patch moves all the timer functions to a more suitable location.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agotg3: Clear RECOVERY_PENDING with reset_task_cancel
Matt Carlson [Wed, 22 Feb 2012 12:35:20 +0000]
tg3: Clear RECOVERY_PENDING with reset_task_cancel

If an error happens in the tx completion thread, tg3_reset_task will be
scheduled and TX_RECOVERY_PENDING will be set.  The TX_RECOVERY_PENDING
flag causes tg3_poll[_msix] to return early before doing much of its
work.  Tg3_reset_task() gets canceled when the configuration of the
device is changing, which always results in a chip reset.  When this
happens, the TX_RECOVERY_PENDING flag may be left set, which would
unnecessarily hinder tg3_poll from doing work.  This patch fixes the
problem.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agotg3: Remove SPEED_UNKNOWN checks
Matt Carlson [Wed, 22 Feb 2012 12:35:19 +0000]
tg3: Remove SPEED_UNKNOWN checks

tg3_phy_copper_begin() has code that configures the link
advertisements through the use of the link_config.speed and
link_config.duplex members.  The driver does not internally use these
members in this way, nor is it (currently) permitted via the ethtool
interface.  This patch removes the dead code.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agotg3: Fix link check in tg3_adjust_link
Matt Carlson [Wed, 22 Feb 2012 12:35:18 +0000]
tg3: Fix link check in tg3_adjust_link

The tg3 driver tried to detect link changes by comparing the tg3 local
active_speed member with SPEED_UNKNOWN (or formerly SPEED_INVALID).
This check is not correct, since phylib will never set its speed member
to either of these two values.  The code only appeared to work because
tg3 initializes active_speed to SPEED_INVALID during tg3_init_one.  This
patch introduces a new "old_link" tg3 member and then compares the
phy_device's link member against it to detect link state changes.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agosfc: Correct efx_for_each_possible_channel_tx_queue() to skip non-TX channels
Ben Hutchings [Thu, 23 Feb 2012 00:45:50 +0000]
sfc: Correct efx_for_each_possible_channel_tx_queue() to skip non-TX channels

efx_for_each_possible_channel_tx_queue() should do nothing for RX-only
or extra channels.  The current definition results in allocating
additional unused hardware TX queues when using the mqprio qdisc and
either separate_tx_channels or SR-IOV.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>

7 years agosfc: Minor formatting cleanup
Ben Hutchings [Fri, 17 Feb 2012 00:10:45 +0000]
sfc: Minor formatting cleanup

Fix some indentation and line continuations.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>

7 years agosfc: Reverse initial buffer table allocation to allow for later resizing
Ben Hutchings [Tue, 21 Feb 2012 23:22:00 +0000]
sfc: Reverse initial buffer table allocation to allow for later resizing

We have a very simple way of allocating buffer table entries to
queues, which is just to take the next one available.  The extra
channels are the highest numbered channels but they need to be
allocated the lowest entries so that the traffic channels can be
allocated new entries without any collisions.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>

7 years agosfc: Correct validation of peer_page_count in efx_vfdi_set_status_page()
Ben Hutchings [Tue, 21 Feb 2012 02:57:33 +0000]
sfc: Correct validation of peer_page_count in efx_vfdi_set_status_page()

efx_vfdi_set_status_page() validates the peer page count by
calculating the size of a request containing that many addresses and
comparing that with the maximum valid request size (4KB).  The
calculation involves a multiplication that may overflow on a 32-bit
system.

We use kcalloc() to allocate memory to store the addresses; that also
does a multiplication and it does check for integer overflow, so any
values larger than 0x1fffffff will be rejected.  However, values in
the range [0x1fffffffc, 0x1fffffff] pass boh tests and result in an
attempt to allocate nearly 4GB on the heap.  This should be rejected
rather quickly as it's obviously impossible on a 32-bit system, and
indeed the maximum possible heap allocation is 32MB.  Still, let's
make absolutely sure by fixing the initial validation.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>

7 years agosfc: Specify that the VFDI status page has page alignment and size
Ben Hutchings [Mon, 20 Feb 2012 23:22:02 +0000]
sfc: Specify that the VFDI status page has page alignment and size

This requirement was meant to be implied in the name 'status page'.
One out-of-tree VF driver allocates a buffer using the structure size
and not a full page - hence the current odd specification - but in
practice that allocation will be padded and aligned to at least 4KB.
Therefore, we can specify this and have the option to extend the
structure up to 4KB without worrying about VF drivers using odd-shaped
buffers.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>

7 years agoaf_unix: MSG_TRUNC support for dgram sockets
Eric Dumazet [Tue, 21 Feb 2012 23:24:55 +0000]
af_unix: MSG_TRUNC support for dgram sockets

Piergiorgio Beruto expressed the need to fetch size of first datagram in
queue for AF_UNIX sockets and suggested a patch against SIOCINQ ioctl.

I suggested instead to implement MSG_TRUNC support as a recv() input
flag, as already done for RAW, UDP & NETLINK sockets.

len = recv(fd, &byte, 1, MSG_PEEK | MSG_TRUNC);

MSG_TRUNC asks recv() to return the real length of the packet, even when
is was longer than the passed buffer.

There is risk that a userland application used MSG_TRUNC by accident
(since it had no effect on af_unix sockets) and this might break after
this patch.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Tested-by: Piergiorgio Beruto <piergiorgio.beruto@gmail.com>
CC: Michael Kerrisk <mtk.manpages@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agonet/ieee802154/6lowpan.c: reuse eth_mac_addr()
Danny Kukawka [Wed, 22 Feb 2012 02:36:39 +0000]
net/ieee802154/6lowpan.c: reuse eth_mac_addr()

Use eth_mac_addr() for .ndo_set_mac_address, remove
lowpan_set_address since it do currently the same as
eth_mac_addr(). Additional advantage: eth_mac_addr() already
checks if the given address is valid

Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de>
Acked-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years ago3com/typhoon: reuse eth_mac_addr()
Danny Kukawka [Wed, 22 Feb 2012 02:36:38 +0000]
3com/typhoon: reuse eth_mac_addr()

Use eth_mac_addr() for .ndo_set_mac_address, remove
typhoon_set_mac_address() since it do currently the same as
eth_mac_addr(). Additional advantage: eth_mac_addr() already
checks if the given address is valid.

Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de>
Acked-by: Dave Dillow <dave@thedillows.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agotg3: remove IRQF_SAMPLE_RANDOM flag
Davidlohr Bueso [Wed, 22 Feb 2012 03:06:54 +0000]
tg3: remove IRQF_SAMPLE_RANDOM flag

This driver is the last user of the IRQF_SAMPLE_RANDOM flag for net drivers, and since add_*_randomness
interfaces have now deprecated the flag as a source of external noise, we can remove it.

Signed-off-by: Davidlohr Bueso <dave@gnu.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoMerge branch 'for-davem' of git://git.kernel.org/pub/scm/linux/kernel/git/linville...
David S. Miller [Tue, 21 Feb 2012 22:47:33 +0000]
Merge branch 'for-davem' of git://git./linux/kernel/git/linville/wireless-next

7 years agoMerge branch '20120221_isdn' of git://repo.or.cz/linux-2.6/trivial-mods
David S. Miller [Tue, 21 Feb 2012 20:25:15 +0000]
Merge branch '20120221_isdn' of git://repo.or.cz/linux-2.6/trivial-mods

7 years agoMerge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...
John W. Linville [Tue, 21 Feb 2012 20:06:35 +0000]
Merge branch 'master' of git://git./linux/kernel/git/linville/wireless-next into for-davem

7 years agounix: Support peeking offset for stream sockets
Pavel Emelyanov [Tue, 21 Feb 2012 07:32:06 +0000]
unix: Support peeking offset for stream sockets

The same here -- we can protect the sk_peek_off manipulations with
the unix_sk->readlock mutex.

The peeking of data from a stream socket is done in the datagram style,
i.e. even if there's enough room for more data in the user buffer, only
the head skb's data is copied in there. This feature is preserved when
peeking data from a given offset -- the data is read till the nearest
skb's boundary.

Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agounix: Support peeking offset for datagram and seqpacket sockets
Pavel Emelyanov [Tue, 21 Feb 2012 07:31:51 +0000]
unix: Support peeking offset for datagram and seqpacket sockets

The sk_peek_off manipulations are protected with the unix_sk->readlock mutex.
This mutex is enough since all we need is to syncronize setting the offset
vs reading the queue head. The latter is fully covered with the mentioned lock.

The recently added __skb_recv_datagram's offset is used to pick the skb to
read the data from.

Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agosock: Introduce the SO_PEEK_OFF sock option
Pavel Emelyanov [Tue, 21 Feb 2012 07:31:34 +0000]
sock: Introduce the SO_PEEK_OFF sock option

This one specifies where to start MSG_PEEK-ing queue data from. When
set to negative value means that MSG_PEEK works as ususally -- peeks
from the head of the queue always.

When some bytes are peeked from queue and the peeking offset is non
negative it is moved forward so that the next peek will return next
portion of data.

When non-peeking recvmsg occurs and the peeking offset is non negative
is is moved backward so that the next peek will still peek the proper
data (i.e. the one that would have been picked if there were no non
peeking recv in between).

The offset is set using per-proto opteration to let the protocol handle
the locking issues and to check whether the peeking offset feature is
supported by the protocol the socket belongs to.

Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoskb: Add skb_peek_next helper
Pavel Emelyanov [Tue, 21 Feb 2012 07:31:18 +0000]
skb: Add skb_peek_next helper

Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agodatagram: Add offset argument to __skb_recv_datagram
Pavel Emelyanov [Tue, 21 Feb 2012 07:30:58 +0000]
datagram: Add offset argument to __skb_recv_datagram

This one is only considered for MSG_PEEK flag and the value pointed by
it specifies where to start peeking bytes from. If the offset happens to
point into the middle of the returned skb, the offset within this skb is
put back to this very argument.

Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agodatagram: Factor out sk queue referencing
Pavel Emelyanov [Tue, 21 Feb 2012 07:30:33 +0000]
datagram: Factor out sk queue referencing

This makes lines shorter and simplifies further patching.

Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoisdn: whitespace coding style cleanup
Joe Perches [Mon, 20 Feb 2012 03:52:38 +0000]
isdn: whitespace coding style cleanup

isdn source code uses a not-current coding style.

Update the coding style used on a per-line basis
so that git diff -w shows only elided blank lines
at EOF.

Done with emacs and some scripts and some typing.

Built x86 allyesconfig.
No detected change in objdump -d or size.

Signed-off-by: Joe Perches <joe@perches.com>

7 years agobnx2x: update driver version to 1.72.10-0
Dmitry Kravkov [Mon, 20 Feb 2012 09:59:12 +0000]
bnx2x: update driver version to 1.72.10-0

Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agobnx2x: add gro_check
Dmitry Kravkov [Mon, 20 Feb 2012 09:59:11 +0000]
bnx2x: add gro_check

The patch provides workaround for BUG in FW 7.2.16,
which in GRO mode may miscalculate buffer and
place on SGE one frag less than it could.
It may happen only for some MTUs, we mark these MTUs
with gro_check flag during device initialization or
MTU change.

Next FW should include fix for the issue and the
patch could be reverted.

Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agocnic: update for FW 7.2.xx
Michael Chan [Mon, 20 Feb 2012 09:59:10 +0000]
cnic: update for FW 7.2.xx

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agobnx2fc: HSI dependent changes for 7.2.xx FW
Bhanu Prakash Gollapudi [Mon, 20 Feb 2012 09:59:09 +0000]
bnx2fc: HSI dependent changes for 7.2.xx FW

with Tx only section for single cached SGEs.

Signed-off-by: Bhanu Prakash Gollapudi <bprakash@broadcom.com>
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agouse FW 7.2.16
Dmitry Kravkov [Mon, 20 Feb 2012 09:59:08 +0000]
use FW 7.2.16

The patch integrates FW 7.2.16 HSI and implements driver
part of GRO flow.

FW 7.2.16 adds the ability to aggregate packets for GRO
(and not just LRO) and also fixes some bugs.

1. Added new aggregation mode: GRO. In this mode packets are aggregated
   such that the original packets can be reconstructed by the OS.
2. 57712 HW bug workaround - initialized all CAM TM registers to 0x32.
3. Adding the FCoE statistics structures to the BNX2X HSI.
4. Wrong configuration of TX HW input buffer size may cause theoretical
   performance effect. Performed configuration fix.
5. FCOE - Arrival of packets beyond task IO size can lead to crash.
   Fix firmware data-in flow.
6. iSCSI - In rare cases of on-chip termination the graceful termination
   timer hangs, and the termination doesn't complete. Firmware fix to MSL
   timer tolerance.
7. iSCSI - Chip hangs when target sends FIN out-of-order or with isles
   open at the initiator side. Firmware implementation corrected to drop
   FIN received out-of-order or with isles still open.
8. iSCSI - Chip hangs when in case of retransmission not aligned to 4-bytes
   from the beginning of iSCSI PDU. Firmware implementation corrected
   to support arbitrary aligned retransmissions.
9. iSCSI - Arrival of target-initiated NOP-IN during intense ISCSI traffic
   might lead to crash. Firmware fix to relevant flow.

Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoenic: Add support for fw init command on sriov vf's
Roopa Prabhu [Mon, 20 Feb 2012 00:12:04 +0000]
enic: Add support for fw init command on sriov vf's

This patch fixes enic_probe to do a fw init devcmd for sriov vfs.
This enables vf driver in the guest to get into adapter init state without
having to explicitly issue an init fw cmd with portprofile info. But a
successful init on the vf will require the port profile information to be
pre-provisioned by the hypervisor via the pf

Signed-off-by: Roopa Prabhu <roprabhu@cisco.com>
Signed-off-by: Christian Benvenuti <benve@cisco.com>
Signed-off-by: Sujith Sankar <ssujith@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoenic: Fix ndo_set_vf_mac and ndo_set_vf_port to set/get the sriov vf's mac
Roopa Prabhu [Mon, 20 Feb 2012 00:11:58 +0000]
enic: Fix ndo_set_vf_mac and ndo_set_vf_port to set/get the sriov vf's mac

This patch fixes the ndo_set_vf_mac netdev op to set the sriov vf mac
in adapter using the new fw devcmd CMD_SET_MAC_ADDR. During port profile
associate the pf driver gets the vf mac using CMD_GET_MAC_ADDR.

Signed-off-by: Roopa Prabhu <roprabhu@cisco.com>
Signed-off-by: Christian Benvenuti <benve@cisco.com>
Signed-off-by: Sujith Sankar <ssujith@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoenic: Add new fw devcmd to set mac address of an interface
Roopa Prabhu [Mon, 20 Feb 2012 00:11:53 +0000]
enic: Add new fw devcmd to set mac address of an interface

This patch adds a new devcmd CMD_SET_MAC_ADDR to set the mac address of an
interface.

Signed-off-by: Roopa Prabhu <roprabhu@cisco.com>
Signed-off-by: Christian Benvenuti <benve@cisco.com>
Signed-off-by: Sujith Sankar <ssujith@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoenic: rename CMD_MAC_ADDR to CMD_GET_MAC_ADDR
Roopa Prabhu [Mon, 20 Feb 2012 00:11:48 +0000]
enic: rename CMD_MAC_ADDR to CMD_GET_MAC_ADDR

firmware devcmd CMD_MAC_ADDR gets the mac address of a vnic from adapter.
This patch renames it to CMD_GET_MAC_ADDR more appropriately.

Signed-off-by: Roopa Prabhu <roprabhu@cisco.com>
Signed-off-by: Christian Benvenuti <benve@cisco.com>
Signed-off-by: Sujith Sankar <ssujith@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoll_temac: Fix build.
David S. Miller [Mon, 20 Feb 2012 05:46:06 +0000]
ll_temac: Fix build.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoadi: adapt to eth_hw_addr_random() and changes in arch/blackfin
Danny Kukawka [Thu, 16 Feb 2012 07:09:31 +0000]
adi: adapt to eth_hw_addr_random() and changes in arch/blackfin

Adapt adi ethernet driver to changes in bfin_get_ether_addr()
from arch/blackfin. bfin_get_ether_addr() returns now a state.
Set a random mac address via new eth_hw_addr_random() in case
the return value is not 0.

Reset the state to NET_ADDR_PERM as soon as the MAC get
changed via .ndo_set_mac_address.

v2: change the logic to reduce unneeded checks

Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoarch/blackfin: don't generate random mac in bfin_get_ether_addr()
Danny Kukawka [Thu, 16 Feb 2012 07:09:30 +0000]
arch/blackfin: don't generate random mac in bfin_get_ether_addr()

Changed bfin_get_ether_addr() to return a state and to
set no random mac address if the board don't provide one.

Let the caller of bfin_get_ether_addr() set a random mac
address if the return value is not 0.

v2: don't set random mac in bfin_get_ether_addr()

Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoethernet: Fix typo in lantiq_etop.c
Masanari Iida [Thu, 16 Feb 2012 03:25:19 +0000]
ethernet: Fix typo in lantiq_etop.c

Correct spelling "platfom" to "platform" in
drivers/net/ethernet/lantiq_etop.c

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agobnx2x: make bnx2x_close() static again
Michal Schmidt [Thu, 16 Feb 2012 02:38:48 +0000]
bnx2x: make bnx2x_close() static again

Commit 8304859a "bnx2x: add fan failure event handling" made the function
bnx2x_close() non-static unnecessarily. The function is not called from
other sources. Make it static again.

Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Acked-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
David S. Miller [Sun, 19 Feb 2012 21:03:15 +0000]
Merge git://git./linux/kernel/git/davem/net

Conflicts:
drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c

Small minor conflict in bnx2x, wherein one commit changed how
statistics were stored in software, and another commit
fixed endianness bugs wrt. reading the values provided by
the chip in memory.

Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoLinux 3.3-rc4
Linus Torvalds [Sat, 18 Feb 2012 23:53:33 +0000]
Linux 3.3-rc4

7 years agoMerge tag 'fixes-3.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Linus Torvalds [Sat, 18 Feb 2012 23:40:00 +0000]
Merge tag 'fixes-3.3-rc4' of git://git./linux/kernel/git/arm/arm-soc

These are the bug fixes that have accumulated since 3.3-rc3 in arm-soc.
The majority of them are regression fixes for stuff that broke during
the merge 3.3 window.

The notable ones are:

* The at91 ata drivers both broke because of an earlier cleanup patch that
  some other patches were based on. Jean-Christophe decided to remove
  the legacy at91_ide driver and fix the new-style at91-pata driver while
  keeping the cleanup patch. I almost rejected the patches for being too
  late and too big but in the end decided to accept them because they
  fix a regression.

* A patch fixing build breakage from the sysdev-to-device conversion
  colliding with other changes touches a number of mach-s3c files.

b0654037 "ARM: orion: Fix Orion5x GPIO regression from MPP cleanup"
  is a mechanical change that unfortunately touches a lot of lines
  that should up in the diffstat.

* tag 'fixes-3.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (28 commits)
  ARM: at91: drop ide driver in favor of the pata one
  pata/at91: use newly introduced SMC accessors
  ARM: at91: add accessor to manage SMC
  ARM: at91:rtc/rtc-at91sam9: ioremap register bank
  ARM: at91: USB AT91 gadget registration for module
  ep93xx: fix build of vision_ep93xx.c
  ARM: OMAP2xxx: PM: fix OMAP2xxx-specific UART idle bug in v3.3
  ARM: orion: Fix USB phy for orion5x.
  ARM: orion: Fix Orion5x GPIO regression from MPP cleanup
  ARM: EXYNOS: Add cpu-offset property in gic device tree node
  ARM: EXYNOS: Bring exynos4-dt up to date
  ARM: OMAP3: cm-t35: fix section mismatch warning
  ARM: OMAP2: Fix the OMAP2 only build break seen with 2011+ ARM tool-chains
  ARM: tegra: paz00: fix wrong UART port on mini-pcie plug
  ARM: tegra: paz00: fix wrong SD1 power gpio
  i2c: tegra: Add devexit_p() for remove
  ARM: EXYNOS: Correct M-5MOLS sensor clock frequency on Universal C210 board
  ARM: EXYNOS: Correct framebuffer window size on Nuri board
  ARM: SAMSUNG: Fix missing api-change from subsys_interface change
  ARM: EXYNOS: Fix "warning: initialization from incompatible pointer type"
  ...

7 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Linus Torvalds [Sat, 18 Feb 2012 23:38:12 +0000]
Merge git://git./linux/kernel/git/davem/net

1) VETH_INFO_PEER netlink attribute needs to have it's size validated,
   from Thomas Graf.

2) 'poll' module option of bnx2x driver crashes the machine, just remove
   it.  From Michal Schmidt.

3) ks8851_mll driver reads the irq number from two places, but only
   initializes one of them, oops.  Use only one location and fix this
   problem, from Jan Weitzel.

4) Fix buffer overrun and unicast sterring bugs in mellanox mlx4 driver,
   from Eugenia Emantayev.

5) Swapped kcalloc() args in RxRPC and mlx4, from Axel Lin.

6) PHY MDIO device name regression fixes from Florian Fainelli.

7) If the wake event IRQ line is different from the netdevice one, we
   have to properly route it to the stmmac interrupt handler.  From
   Francesco Virlinzi.

8) Fix rwlock lock initialization ordering bug in mac80211, from
   Mohammed Shafi Shajakhan.

9) TCP lost_cnt can get out of sync, and in fact go negative, in certain
   circumstances.  Fix the way we specify what sequence range to operate
   on in tcp_sacktag_one() to fix this bug.  From Neal Cardwell.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (27 commits)
  net/ethernet: ks8851_mll fix irq handling
  veth: Enforce minimum size of VETH_INFO_PEER
  stmmac: update the driver version to Feb 2012 (v2)
  stmmac: move hw init in the probe (v2)
  stmmac: request_irq when use an ext wake irq line (v2)
  stmmac: do not discard frame on dribbling bit assert
  ipheth: Add iPhone 4S
  mlx4: add unicast steering entries to resource_tracker
  mlx4: fix QP tree trashing
  mlx4: fix buffer overrun
  3c59x: shorten timer period for slave devices
  netpoll: netpoll_poll_dev() should access dev->flags
  RxRPC: Fix kcalloc parameters swapped
  bnx2x: remove the 'poll' module option
  tcp: fix tcp_shifted_skb() adjustment of lost_cnt_hint for FACK
  ks8851: Fix NOHZ local_softirq_pending 08 warning
  bnx2x: fix bnx2x_storm_stats_update() on big endian
  ixp4xx-eth: fix PHY name to match MDIO bus name
  octeon: fix PHY name to match MDIO bus name
  fec: fix PHY name to match fixed MDIO bus name
  ...

7 years agoMerge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Linus Torvalds [Sat, 18 Feb 2012 23:37:25 +0000]
Merge tag 'for-linus' of git://git./linux/kernel/git/broonie/regmap

Fixes a bootstrapping issue for some registers when a less commonly used
method for register cache initialisation is used.  Only affects a fairly
small proportion of users that both don't use explicit register defaults
and do use the cache.

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
  regmap: Fix cache defaults initialization from raw cache defaults

7 years agoMerge tag 'ecryptfs-3.3-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Sat, 18 Feb 2012 23:28:56 +0000]
Merge tag 'ecryptfs-3.3-rc4-fixes' of git://git./linux/kernel/git/tyhicks/ecryptfs

Fixes maximum filename length and filesystem type reporting in statfs() calls
and also fixes stale inode mode bits on eCryptfs inodes after a POSIX ACL was
set on the lower filesystem's inode.

* tag 'ecryptfs-3.3-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs:
  ecryptfs: remove the second argument of k[un]map_atomic()
  eCryptfs: Copy up lower inode attrs after setting lower xattr
  eCryptfs: Improve statfs reporting

7 years agoMerge tag 'pinctrl' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux...
Linus Torvalds [Sat, 18 Feb 2012 23:27:40 +0000]
Merge tag 'pinctrl' of git://git./linux/kernel/git/linusw/linux-pinctrl

pinctrl fixes for v3.3

* tag 'pinctrl-for-torvalds-20120216' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
  pinctrl: restore pin naming

7 years agoMerge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Linus Torvalds [Sat, 18 Feb 2012 23:26:37 +0000]
Merge branch 'merge' of git://git./linux/kernel/git/benh/powerpc

Here are a few more fixes for powerpc.  Some are regressions, the rest
is simple/obvious/nasty enough that I deemed it good to go now.

Here's also step one of deprecating legacy iSeries support: we are
removing it from the main defconfig.

Nobody seems to be using it anymore and the code is nasty to maintain,
(involves horrible hacks in various low level areas of the kernel) so we
plan to actually rip it out at some point.  For now let's just avoid
building it by default.  Stephen will proceed to do the actual removal
later (probably 3.4 or 3.5).

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
  powerpc/perf: power_pmu_start restores incorrect values, breaking frequency events
  powerpc/adb: Use set_current_state()
  powerpc: Disable interrupts early in Program Check
  powerpc: Remove legacy iSeries from ppc64_defconfig
  powerpc/fsl/pci: Fix PCIe fixup regression
  powerpc: Fix kernel log of oops/panic instruction dump

7 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci
Linus Torvalds [Sat, 18 Feb 2012 23:26:11 +0000]
Merge branch 'for-linus' of git://git./linux/kernel/git/jbarnes/pci

One regression fix for SR-IOV on PPC and a couple of misc fixes from
Yinghai.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci:
  PCI: Fix pci cardbus removal
  PCI: set pci sriov page size before reading SRIOV BAR
  PCI: workaround hard-wired bus number V2

7 years agoMerge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Linus Torvalds [Sat, 18 Feb 2012 23:25:39 +0000]
Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux

3 radeon fixes, I have some exynos fixes to push later but I'll queue
them separately once I've looked them over a bit.

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm/radeon/kms: fix MSI re-arm on rv370+
  drm/radeon/kms/atom: bios scratch reg handling updates
  drm/radeon/kms: drop lock in return path of radeon_fence_count_emitted.

7 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Linus Torvalds [Sat, 18 Feb 2012 23:24:05 +0000]
Merge git://git./linux/kernel/git/herbert/crypto-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  crypto: sha512 - use standard ror64()

7 years agoi387: re-introduce FPU state preloading at context switch time
Linus Torvalds [Sat, 18 Feb 2012 20:56:35 +0000]
i387: re-introduce FPU state preloading at context switch time

After all the FPU state cleanups and finally finding the problem that
caused all our FPU save/restore problems, this re-introduces the
preloading of FPU state that was removed in commit b3b0870ef3ff ("i387:
do not preload FPU state at task switch time").

However, instead of simply reverting the removal, this reimplements
preloading with several fixes, most notably

 - properly abstracted as a true FPU state switch, rather than as
   open-coded save and restore with various hacks.

   In particular, implementing it as a proper FPU state switch allows us
   to optimize the CR0.TS flag accesses: there is no reason to set the
   TS bit only to then almost immediately clear it again.  CR0 accesses
   are quite slow and expensive, don't flip the bit back and forth for
   no good reason.

 - Make sure that the same model works for both x86-32 and x86-64, so
   that there are no gratuitous differences between the two due to the
   way they save and restore segment state differently due to
   architectural differences that really don't matter to the FPU state.

 - Avoid exposing the "preload" state to the context switch routines,
   and in particular allow the concept of lazy state restore: if nothing
   else has used the FPU in the meantime, and the process is still on
   the same CPU, we can avoid restoring state from memory entirely, just
   re-expose the state that is still in the FPU unit.

   That optimized lazy restore isn't actually implemented here, but the
   infrastructure is set up for it.  Of course, older CPU's that use
   'fnsave' to save the state cannot take advantage of this, since the
   state saving also trashes the state.

In other words, there is now an actual _design_ to the FPU state saving,
rather than just random historical baggage.  Hopefully it's easier to
follow as a result.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

7 years agoi387: move TS_USEDFPU flag from thread_info to task_struct
Linus Torvalds [Sat, 18 Feb 2012 05:48:54 +0000]
i387: move TS_USEDFPU flag from thread_info to task_struct

This moves the bit that indicates whether a thread has ownership of the
FPU from the TS_USEDFPU bit in thread_info->status to a word of its own
(called 'has_fpu') in task_struct->thread.has_fpu.

This fixes two independent bugs at the same time:

 - changing 'thread_info->status' from the scheduler causes nasty
   problems for the other users of that variable, since it is defined to
   be thread-synchronous (that's what the "TS_" part of the naming was
   supposed to indicate).

   So perfectly valid code could (and did) do

ti->status |= TS_RESTORE_SIGMASK;

   and the compiler was free to do that as separate load, or and store
   instructions.  Which can cause problems with preemption, since a task
   switch could happen in between, and change the TS_USEDFPU bit. The
   change to TS_USEDFPU would be overwritten by the final store.

   In practice, this seldom happened, though, because the 'status' field
   was seldom used more than once, so gcc would generally tend to
   generate code that used a read-modify-write instruction and thus
   happened to avoid this problem - RMW instructions are naturally low
   fat and preemption-safe.

 - On x86-32, the current_thread_info() pointer would, during interrupts
   and softirqs, point to a *copy* of the real thread_info, because
   x86-32 uses %esp to calculate the thread_info address, and thus the
   separate irq (and softirq) stacks would cause these kinds of odd
   thread_info copy aliases.

   This is normally not a problem, since interrupts aren't supposed to
   look at thread information anyway (what thread is running at
   interrupt time really isn't very well-defined), but it confused the
   heck out of irq_fpu_usable() and the code that tried to squirrel
   away the FPU state.

   (It also caused untold confusion for us poor kernel developers).

It also turns out that using 'task_struct' is actually much more natural
for most of the call sites that care about the FPU state, since they
tend to work with the task struct for other reasons anyway (ie
scheduling).  And the FPU data that we are going to save/restore is
found there too.

Thanks to Arjan Van De Ven <arjan@linux.intel.com> for pointing us to
the %esp issue.

Cc: Arjan van de Ven <arjan@linux.intel.com>
Reported-and-tested-by: Raphael Prevost <raphael@buro.asia>
Acked-and-tested-by: Suresh Siddha <suresh.b.siddha@intel.com>
Tested-by: Peter Anvin <hpa@zytor.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

7 years agocisco/enic: use eth_hw_addr_random() instead of random_ether_addr()
Danny Kukawka [Sat, 18 Feb 2012 06:50:43 +0000]
cisco/enic: use eth_hw_addr_random() instead of random_ether_addr()

Use dev_hw_addr_random() instead of calling random_ether_addr()
to set addr_assign_type correctly to NET_ADDR_RANDOM.

Reset the state to NET_ADDR_PERM as soon as the MAC get
changed via .ndo_set_mac_address.

v3: adapt to net-next
v2: use bitops, adapt to eth_hw_addr_random(), add a comment

Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agonet: ethernet: xilinx: Convert xilinx_axienet to module_platform_driver
Tobias Klauser [Fri, 17 Feb 2012 05:35:37 +0000]
net: ethernet: xilinx: Convert xilinx_axienet to module_platform_driver

Follow commit db62f684. Convert the driver to use the
module_platform_driver() macro which makes the code a bit smaller and
simpler.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoUML net: set addr_assign_type if random_ether_addr() used
Danny Kukawka [Fri, 17 Feb 2012 21:05:03 +0000]
UML net: set addr_assign_type if random_ether_addr() used

Set addr_assign_type correctly to NET_ADDR_RANDOM in case
a random MAC address was generated and assigned to the netdevice.

Return state from setup_etheraddr() about returning a random
MAC address or not and check this state in eth_configure().

Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoatheros eth: set addr_assign_type if random_ether_addr() used
Danny Kukawka [Fri, 17 Feb 2012 05:43:30 +0000]
atheros eth: set addr_assign_type if random_ether_addr() used

Set addr_assign_type correctly to NET_ADDR_RANDOM in case
a random MAC address was generated and assigned to the netdevice.

Fix error handling in atl1c_probe(). If atl1c_read_mac_addr()
couldn't get the hw mac address, and a random mac address get
set return the error code. Don't go to err_eeprom in
atl1c_probe(), use the generated MAC address in this case.

Reset the state to NET_ADDR_PERM as soon as the MAC get
changed via .ndo_set_mac_address.

v2: use bitops

Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoethoc: set addr_assign_type if random_ether_addr() used
Danny Kukawka [Fri, 17 Feb 2012 05:43:29 +0000]
ethoc: set addr_assign_type if random_ether_addr() used

Set addr_assign_type correctly to NET_ADDR_RANDOM in case
a random MAC address was generated and assigned to the netdevice.

Fixed ethoc_set_mac_address() to check if the given mac
address is valid and set also dev_addr of the net_device.
Check also the return value of ethoc_set_mac_address() in
ethoc_probe().

Reset the state to NET_ADDR_PERM as soon as the MAC get
changed via .ndo_set_mac_address.

v2: set net_device->dev_addr in ethoc_set_mac_address(),
    check if given address is valid

Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de>

7 years agobatman-adv: use eth_hw_addr_random() instead of random_ether_addr()
Danny Kukawka [Fri, 17 Feb 2012 05:43:27 +0000]
batman-adv: use eth_hw_addr_random() instead of random_ether_addr()

Use eth_hw_addr_random() instead of calling random_ether_addr()
to set addr_assign_type correctly to NET_ADDR_RANDOM.

Remove dev_addr in interface_setup(), it's not needed anymore.

Reset the state to NET_ADDR_PERM as soon as the MAC get
changed via .ndo_set_mac_address.

v2: use bitops, adapt to eth_hw_addr_random()

Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoigbvf: reset netdevice addr_assign_type if changed
Danny Kukawka [Fri, 17 Feb 2012 05:43:26 +0000]
igbvf: reset netdevice addr_assign_type if changed

Reset the state of addr_assign_type to NET_ADDR_PERM as soon as
the MAC get changed via .ndo_set_mac_address.

v2: use bitops to reset addr_assign_type

Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoxilinx ll_temac: use eth_hw_addr_random() instead of random_ether_addr()
Danny Kukawka [Fri, 17 Feb 2012 05:43:25 +0000]
xilinx ll_temac: use eth_hw_addr_random() instead of random_ether_addr()

Use eth_hw_addr_random() instead of calling random_ether_addr()
to set addr_assign_type correctly to NET_ADDR_RANDOM.

Reset the state to NET_ADDR_PERM as soon as the MAC get
changed via .ndo_set_mac_address.

v2: reworked to prevent using an extra variable

Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agodavinci_emac: use eth_hw_addr_random() instead of random_ether_addr()
Danny Kukawka [Fri, 17 Feb 2012 05:43:24 +0000]
davinci_emac: use eth_hw_addr_random() instead of random_ether_addr()

Use eth_hw_addr_random() instead of calling random_ether_addr()
to set addr_assign_type correctly to NET_ADDR_RANDOM.

Reset the state to NET_ADDR_PERM as soon as the MAC get
changed via .ndo_set_mac_address.

Remove one memcpy from emac_dev_setmac_addr() since this is a
duplicate: it's already done some lines above.

v2: use bitops, adapt to eth_hw_addr_random, remove a memcpy

Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agolantiq_etop: set addr_assign_type if random_ether_addr() used
Danny Kukawka [Fri, 17 Feb 2012 05:43:23 +0000]
lantiq_etop: set addr_assign_type if random_ether_addr() used

Set addr_assign_type correctly to NET_ADDR_RANDOM in case
a random MAC address was generated and assigned to the netdevice.

v2: added comment, renamed bool variable to random_mac

Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoau1000_eth: use eth_hw_addr_random() instead of random_ether_addr()
Danny Kukawka [Fri, 17 Feb 2012 05:43:22 +0000]
au1000_eth: use eth_hw_addr_random() instead of random_ether_addr()

Use eth_hw_addr_random() instead of calling random_ether_addr()
to set addr_assign_type correctly to NET_ADDR_RANDOM.

v2: adapt to eth_hw_addr_random()

Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoMerge tag 'batman-adv-for-davem' of git://git.open-mesh.org/linux-merge
David S. Miller [Fri, 17 Feb 2012 20:49:12 +0000]
Merge tag 'batman-adv-for-davem' of git://git.open-mesh.org/linux-merge

7 years agoi387: move AMD K7/K8 fpu fxsave/fxrstor workaround from save to restore
Linus Torvalds [Fri, 17 Feb 2012 03:11:15 +0000]
i387: move AMD K7/K8 fpu fxsave/fxrstor workaround from save to restore

The AMD K7/K8 CPUs don't save/restore FDP/FIP/FOP unless an exception is
pending.  In order to not leak FIP state from one process to another, we
need to do a floating point load after the fxsave of the old process,
and before the fxrstor of the new FPU state.  That resets the state to
the (uninteresting) kernel load, rather than some potentially sensitive
user information.

We used to do this directly after the FPU state save, but that is
actually very inconvenient, since it

 (a) corrupts what is potentially perfectly good FPU state that we might
     want to lazy avoid restoring later and

 (b) on x86-64 it resulted in a very annoying ordering constraint, where
     "__unlazy_fpu()" in the task switch needs to be delayed until after
     the DS segment has been reloaded just to get the new DS value.

Coupling it to the fxrstor instead of the fxsave automatically avoids
both of these issues, and also ensures that we only do it when actually
necessary (the FP state after a save may never actually get used).  It's
simply a much more natural place for the leaked state cleanup.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

7 years agoi387: do not preload FPU state at task switch time
Linus Torvalds [Thu, 16 Feb 2012 23:45:23 +0000]
i387: do not preload FPU state at task switch time

Yes, taking the trap to re-load the FPU/MMX state is expensive, but so
is spending several days looking for a bug in the state save/restore
code.  And the preload code has some rather subtle interactions with
both paravirtualization support and segment state restore, so it's not
nearly as simple as it should be.

Also, now that we no longer necessarily depend on a single bit (ie
TS_USEDFPU) for keeping track of the state of the FPU, we migth be able
to do better.  If we are really switching between two processes that
keep touching the FP state, save/restore is inevitable, but in the case
of having one process that does most of the FPU usage, we may actually
be able to do much better than the preloading.

In particular, we may be able to keep track of which CPU the process ran
on last, and also per CPU keep track of which process' FP state that CPU
has.  For modern CPU's that don't destroy the FPU contents on save time,
that would allow us to do a lazy restore by just re-enabling the
existing FPU state - with no restore cost at all!

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

7 years agonet: sh_eth: add support for VLAN tag filtering
Yoshihiro Shimoda [Wed, 15 Feb 2012 17:55:06 +0000]
net: sh_eth: add support for VLAN tag filtering

Some controllers have TSU. It can register one VLAN tag, and it can
filter other VLAN tag by hardware.
If vlan_rx_add_vid() is called twice or more, the driver will disable
the filtering.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agonet: sh_eth: add support for multicast filtering
Yoshihiro Shimoda [Wed, 15 Feb 2012 17:55:03 +0000]
net: sh_eth: add support for multicast filtering

Some controllers have TSU. It can filter multicast by hardware.
This patch supports it.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agonet: sh_eth: modify a condition of ioremap for TSU
Yoshihiro Shimoda [Wed, 15 Feb 2012 17:55:01 +0000]
net: sh_eth: modify a condition of ioremap for TSU

If the controller has TSU, the each channel needs TSU registers.
This patch also fixes the iounmap condition in the sh_eth_drv_remove().

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agonet: sh_eth: change the condition of initialization
Yoshihiro Shimoda [Wed, 15 Feb 2012 17:54:56 +0000]
net: sh_eth: change the condition of initialization

The SH7757 has 2 Fast Ethernet and 2 Gigabit Ethernet, and the first
Gigabit channel needs the initialization. So, this patch adds the
parameter of "needs_init", and if the sh_eth_plat_data is set it
to 1, the driver will initialize the channel.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agonet: sh_eth: add the value of tsu to the SH7757's GETHER
Yoshihiro Shimoda [Wed, 15 Feb 2012 17:54:51 +0000]
net: sh_eth: add the value of tsu to the SH7757's GETHER

The SH7757's GETHER has TSU registers. So, this patch adds the value
of ".tsu = 1" in the sh_eth_cpu_data.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/bwh/sfc-next
David S. Miller [Thu, 16 Feb 2012 22:08:06 +0000]
Merge git://git./linux/kernel/git/bwh/sfc-next

7 years agoecryptfs: remove the second argument of k[un]map_atomic()
Cong Wang [Fri, 10 Feb 2012 05:39:50 +0000]
ecryptfs: remove the second argument of k[un]map_atomic()

Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>

7 years agoeCryptfs: Copy up lower inode attrs after setting lower xattr
Tyler Hicks [Tue, 7 Feb 2012 23:55:40 +0000]
eCryptfs: Copy up lower inode attrs after setting lower xattr

After passing through a ->setxattr() call, eCryptfs needs to copy the
inode attributes from the lower inode to the eCryptfs inode, as they
may have changed in the lower filesystem's ->setxattr() path.

One example is if an extended attribute containing a POSIX Access
Control List is being set. The new ACL may cause the lower filesystem to
modify the mode of the lower inode and the eCryptfs inode would need to
be updated to reflect the new mode.

https://launchpad.net/bugs/926292

Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
Reported-by: Sebastien Bacher <seb128@ubuntu.com>
Cc: John Johansen <john.johansen@canonical.com>
Cc: <stable@vger.kernel.org>

7 years agoeCryptfs: Improve statfs reporting
Tyler Hicks [Sat, 5 Nov 2011 17:45:08 +0000]
eCryptfs: Improve statfs reporting

statfs() calls on eCryptfs files returned the wrong filesystem type and,
when using filename encryption, the wrong maximum filename length.

If mount-wide filename encryption is enabled, the cipher block size and
the lower filesystem's max filename length will determine the max
eCryptfs filename length. Pre-tested, known good lengths are used when
the lower filesystem's namelen is 255 and a cipher with 8 or 16 byte
block sizes is used. In other, less common cases, we fall back to a safe
rounded-down estimate when determining the eCryptfs namelen.

https://launchpad.net/bugs/885744

Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
Reported-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: John Johansen <john.johansen@canonical.com>

7 years agoi387: don't ever touch TS_USEDFPU directly, use helper functions
Linus Torvalds [Thu, 16 Feb 2012 21:33:12 +0000]
i387: don't ever touch TS_USEDFPU directly, use helper functions

This creates three helper functions that do the TS_USEDFPU accesses, and
makes everybody that used to do it by hand use those helpers instead.

In addition, there's a couple of helper functions for the "change both
CR0.TS and TS_USEDFPU at the same time" case, and the places that do
that together have been changed to use those.  That means that we have
fewer random places that open-code this situation.

The intent is partly to clarify the code without actually changing any
semantics yet (since we clearly still have some hard to reproduce bug in
this area), but also to make it much easier to use another approach
entirely to caching the CR0.TS bit for software accesses.

Right now we use a bit in the thread-info 'status' variable (this patch
does not change that), but we might want to make it a full field of its
own or even make it a per-cpu variable.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

7 years agoi387: move TS_USEDFPU clearing out of __save_init_fpu and into callers
Linus Torvalds [Thu, 16 Feb 2012 20:22:48 +0000]
i387: move TS_USEDFPU clearing out of __save_init_fpu and into callers

Touching TS_USEDFPU without touching CR0.TS is confusing, so don't do
it.  By moving it into the callers, we always do the TS_USEDFPU next to
the CR0.TS accesses in the source code, and it's much easier to see how
the two go hand in hand.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

7 years agobatman-adv: export used routing algorithm via sysfs
Marek Lindner [Mon, 28 Nov 2011 16:15:37 +0000]
batman-adv: export used routing algorithm via sysfs

Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>

7 years agobatman-adv: allowing changing the routing algorithm via module parameter
Marek Lindner [Sat, 10 Dec 2011 11:45:53 +0000]
batman-adv: allowing changing the routing algorithm via module parameter

Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>

7 years agobatman-adv: convert batman iv algorithm to use dynamic infrastructure
Marek Lindner [Mon, 28 Nov 2011 13:31:55 +0000]
batman-adv: convert batman iv algorithm to use dynamic infrastructure

Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>

7 years agobatman-adv: add infrastructure to change routing algorithm at runtime
Marek Lindner [Mon, 28 Nov 2011 09:40:17 +0000]
batman-adv: add infrastructure to change routing algorithm at runtime

Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>

7 years agobatman-adv: warn if added interface is part of a bridge
Marek Lindner [Wed, 7 Dec 2011 10:02:50 +0000]
batman-adv: warn if added interface is part of a bridge

Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>

7 years agobatman-adv: Move is_out_of_time() to main.h for general use
Martin Hundebøll [Thu, 8 Dec 2011 12:32:41 +0000]
batman-adv: Move is_out_of_time() to main.h for general use

Both translation tables and network coding use timeouts to do house
keeping, so we might as well share the function used to compare a
timestamp+timeout with current time.

For readability and simplicity, the function is renamed to
has_timed_out() and uses time_is_before_jiffies() instead of
time_after().

Signed-off-by: Martin Hundebøll <martin@hundeboll.net>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>

7 years agobatman-adv: Rm empty line from is_my_mac() in main.c
Martin Hundebøll [Thu, 8 Dec 2011 11:48:26 +0000]
batman-adv: Rm empty line from is_my_mac() in main.c

Signed-off-by: Martin Hundebøll <martin@hundeboll.net>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>

7 years agobatman-adv: simplify bat_ogm_receive API call
Marek Lindner [Sun, 4 Dec 2011 20:01:51 +0000]
batman-adv: simplify bat_ogm_receive API call

Most of the values in that call are derived from the skb, so we can hand
over the skb instead.

Reported-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>

7 years agobatman-adv: Explicitly mark the common header structure
Sven Eckelmann [Sun, 20 Nov 2011 14:47:38 +0000]
batman-adv: Explicitly mark the common header structure

All batman-adv packets have a common 3 byte header. It can be used to share
some code between different code paths, but it was never explicit stated that
this header has to be always the same for all packets. Therefore, new code
changes always have the problem that they may accidently introduce regressions
by moving some elements around.

A new structure is introduced that contains the common header and makes it
easier visible that these 3 bytes have to be the same for all on-wire packets.

Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>

7 years agobatman-adv: add tt_initialised flag to the orig_node struct
Antonio Quartulli [Mon, 7 Nov 2011 15:36:40 +0000]
batman-adv: add tt_initialised flag to the orig_node struct

(ttvn == 0) is currently used as initial condition. However this is not a good
idea because ttvn gets the vale zero each time after reaching the maximum value
(wrap around). For this reason a new flag is added in order to define whether a
node has an initialised table or not. Moreover, after invoking
tt_global_del_orig(), tt_initialised has to be set to false

Reported-by: Alexey Fisher <bug-track@fisher-privat.net>
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Tested-by: Alexey Fisher <bug-track@fisher-privat.net>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>