GitHub/exynos8895/android_kernel_samsung_universal8895.git
11 years agonet: sunhme: use pci_{get,set}_drvdata()
Jingoo Han [Mon, 2 Sep 2013 08:12:41 +0000 (17:12 +0900)]
net: sunhme: use pci_{get,set}_drvdata()

Use the wrapper functions for getting and setting the driver data
using pci_dev instead of using dev_{get,set}_drvdata() with
&pdev->dev, so we can directly pass a struct pci_dev. This is
a purely cosmetic change.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: tulip: use pci_{get,set}_drvdata()
Jingoo Han [Mon, 2 Sep 2013 08:11:53 +0000 (17:11 +0900)]
net: tulip: use pci_{get,set}_drvdata()

Use the wrapper functions for getting and setting the driver data
using pci_dev instead of using dev_{get,set}_drvdata() with
&pdev->dev, so we can directly pass a struct pci_dev. This is
a purely cosmetic change.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: mdio-octeon: use platform_{get,set}_drvdata()
Jingoo Han [Mon, 2 Sep 2013 08:10:09 +0000 (17:10 +0900)]
net: mdio-octeon: use platform_{get,set}_drvdata()

Use the wrapper functions for getting and setting the driver data
using platform_device instead of using dev_{get,set}_drvdata()
with &pdev->dev, so we can directly pass a struct platform_device.
This is a purely cosmetic change.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: sunhme: use platform_{get,set}_drvdata()
Jingoo Han [Mon, 2 Sep 2013 08:08:44 +0000 (17:08 +0900)]
net: sunhme: use platform_{get,set}_drvdata()

Use the wrapper functions for getting and setting the driver data
using platform_device instead of using dev_{get,set}_drvdata()
with &pdev->dev, so we can directly pass a struct platform_device.
This is a purely cosmetic change.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: emac: use platform_{get,set}_drvdata()
Jingoo Han [Mon, 2 Sep 2013 08:06:52 +0000 (17:06 +0900)]
net: emac: use platform_{get,set}_drvdata()

Use the wrapper functions for getting and setting the driver data
using platform_device instead of using dev_{get,set}_drvdata()
with &pdev->dev, so we can directly pass a struct platform_device.
This is a purely cosmetic change.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agowireless: scan: Remove comment to compare_ether_addr
Joe Perches [Sun, 1 Sep 2013 22:48:27 +0000 (15:48 -0700)]
wireless: scan: Remove comment to compare_ether_addr

This function is being removed, so remove the reference to it.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agobatman: Remove reference to compare_ether_addr
Joe Perches [Sun, 1 Sep 2013 22:45:08 +0000 (15:45 -0700)]
batman: Remove reference to compare_ether_addr

This function is being removed, rename the reference.

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Antonio Quartulli <ordex@autistici.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agollc: Use normal etherdevice.h tests
Joe Perches [Sun, 1 Sep 2013 20:11:55 +0000 (13:11 -0700)]
llc: Use normal etherdevice.h tests

Convert the llc_<foo> static inlines to the
equivalents from etherdevice.h and remove
the llc_<foo> static inline functions.

llc_mac_null -> is_zero_ether_addr
llc_mac_multicast -> is_multicast_ether_addr
llc_mac_match -> ether_addr_equal

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agodrivers/net: Convert uses of compare_ether_addr to ether_addr_equal
Joe Perches [Sun, 1 Sep 2013 18:51:23 +0000 (11:51 -0700)]
drivers/net: Convert uses of compare_ether_addr to ether_addr_equal

Use the new bool function ether_addr_equal to add
some clarity and reduce the likelihood for misuse
of compare_ether_addr for sorting.

Done via cocci script: (and a little typing)

$ cat compare_ether_addr.cocci
@@
expression a,b;
@@
- !compare_ether_addr(a, b)
+ ether_addr_equal(a, b)

@@
expression a,b;
@@
- compare_ether_addr(a, b)
+ !ether_addr_equal(a, b)

@@
expression a,b;
@@
- !ether_addr_equal(a, b) == 0
+ ether_addr_equal(a, b)

@@
expression a,b;
@@
- !ether_addr_equal(a, b) != 0
+ !ether_addr_equal(a, b)

@@
expression a,b;
@@
- ether_addr_equal(a, b) == 0
+ !ether_addr_equal(a, b)

@@
expression a,b;
@@
- ether_addr_equal(a, b) != 0
+ ether_addr_equal(a, b)

@@
expression a,b;
@@
- !!ether_addr_equal(a, b)
+ ether_addr_equal(a, b)

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoUSB2NET : SR9700 : One chip USB 1.1 USB2NET SR9700Device Driver Support
Liu Junliang [Sun, 1 Sep 2013 11:38:08 +0000 (19:38 +0800)]
USB2NET : SR9700 : One chip USB 1.1 USB2NET SR9700Device Driver Support

Signed-off-by: Liu Junliang <liujunliang_ljl@163.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agobe2net: set and query VEB/VEPA mode of the PF interface
Ajit Khaparde [Fri, 30 Aug 2013 20:01:16 +0000 (15:01 -0500)]
be2net: set and query VEB/VEPA mode of the PF interface

SkyHawk-R can support VEB or VEPA mode.
This patch will allow the user to set/query this switch setting.

Signed-off-by: Ajit Khaparde <ajit.khaparde@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: fix comment typo for __skb_alloc_pages()
Florian Fainelli [Fri, 30 Aug 2013 14:36:14 +0000 (15:36 +0100)]
net: fix comment typo for __skb_alloc_pages()

The name of the function in the comment is __skb_alloc_page() while we
are actually commenting __skb_alloc_pages(). Fix this typo and make it
a valid kernel doc comment.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agogianfar: Fix reported number of sent bytes to BQL
Claudiu Manoil [Fri, 30 Aug 2013 12:01:15 +0000 (15:01 +0300)]
gianfar: Fix reported number of sent bytes to BQL

Fix the amount of sent bytes reported to BQL by reporting the
number of bytes on wire in the xmit routine, and recording that
value for each skb in order to be correctly confirmed on Tx
confirmation cleanup.

Reporting skb->len to BQL just before exiting xmit is not correct
due to possible insertions of TOE block and alignment bytes in the
skb->data, which are being stripped off by the controller before
transmission on wire.  This led to mismatch of (incorrectly)
reported bytes to BQL b/w xmit and Tx confirmation, resulting in
Tx timeout firing, for the h/w tx timestamping acceleration case.

There's no easy way to obtain the number of bytes on wire in the Tx
confirmation routine, so skb->cb is used to convey that information
from xmit to Tx confirmation, for now (as proposed by Eric). Revived
the currently unused GFAR_CB() construct for that purpose.

Signed-off-by: Claudiu Manoil <claudiu.manoil@freescale.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonetconsole: avoid a crash with multiple sysfs writers
Dan Aloni [Fri, 30 Aug 2013 10:59:46 +0000 (13:59 +0300)]
netconsole: avoid a crash with multiple sysfs writers

When my 'ifup eth' script was fired multiple times and ran concurrent on
my laptop, for some obscure /etc scripting reason, it was revealed
that the store_enabled() function in netconsole doesn't handle it nicely,
as recorded by the Oops below (a syslog paste, but not mangled too much
to prevent from discerning the traceback).

On Linux 3.10.4, this patch seeks to remedy the problem, and it has been
running stable on my laptop for a few days.

[52608.609325] BUG: unable to handle kernel NULL pointer dereference at 00000000000003e0
[52608.609331] IP: [<ffffffff81532a17>] __netpoll_cleanup+0x27/0xe0
[52608.609339] PGD 15e51a067 PUD 15433e067 PMD 0
[52608.609343] Oops: 0000 [#1] SMP re firewire_ohci firewire_core crc_itu_t [last unloaded: kvm_intel]
[52608.609347] Modules linked in: kvm_intel tun vfat fat ppdev parport_pc parport fuse ipt_MASQUERADE usb_storage nf_conntrack_netbios_ns nf_conn [..garbled..]
[52608.609433] RAX: 0000000000000000 RBX: ffff880210bbcc68 RCX: 0000000000000000
[52608.609435] RDX: 0000000000000000 RSI: ffff8801ba447da0 RDI: ffff880210bbcc68
[52608.609437] RBP: ffff8801ba447e18 R08: 0000000000000000 R09: 0000000000000001
[52608.609439] R10: 000000000000000a R11: f000000000000000 R12: ffff880210bbcc68
[52608.609441] R13: ffff88020bc41000 R14: 0000000000000002 R15: 000000000000000200000000000
[52608.609443] FS:  00007f38d7bff740(0000) GS:ffff88021dc40000(0000) knlGS:0000000000000000
[52608.609446] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003300000000001427e0
[52608.609448] CR2: 00000000000003e0 CR3: 0000000154103000 CR4: 00000000001427e0
[52608.609450] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[52608.609452] netpoll: netconsole: local port 6665ess 10.0.0.27
[52608.609454] netpoll: netconsole: local IPv4 address 10.0.0.27
[52608.609456] netpoll: netconsole: interface 'em1'
[52608.609457] netpoll: netconsole: remote port 514ress 10.0.0.15
[52608.609459] netpoll: netconsole: remote IPv4 address 10.0.0.15:65:a8:9a:c7
[52608.609461] netpoll: netconsole: remote ethernet address 1c:6f:65:a8:9a:c7
[52608.609463] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[52608.609464] Stack:801ba447e08 ffff880210bbcc68 ffffffffffffffea ffff88020bc41000
[52608.609466]  ffff8801ba447e08 ffff880210bbcc68 ffffffffffffffea ffff88020bc41000
[52608.609471]  0000000000000002 0000000000000002 ffff8801ba447e38 ffffffff81532af4
[52608.609475]  0000000000000000 ffff880210bbcc00 ffff8801ba447e78 ffffffff81420e7c
[52608.609479] Call Trace:
[52608.609484]  [<ffffffff81532af4>] netpoll_cleanup+0x24/0x50
[52608.609489]  [<ffffffff81420e7c>] store_enabled+0x5c/0xe0
[52608.609492]  [<ffffffff81420abe>] netconsole_target_attr_store+0x2e/0x40
[52608.609498]  [<ffffffff811ff2a2>] configfs_write_file+0xd2/0x130
[52608.609503]  [<ffffffff81188f95>] vfs_write+0xc5/0x1f0
[52608.609506]  [<ffffffff81189482>] SyS_write+0x52/0xa0/0x10
[52608.609511]  [<ffffffff81628c2e>] ? do_page_fault+0xe/0x10
[52608.609516]  [<ffffffff8162d402>] system_call_fastpath+0x16/0x1b
[52608.609517] Code: 1f 44 00 00 0f 1f 44 00 00 55 48 89 e5 48 83 ec 30 4c 89 65 e0 48 89 5d d8 49 89 fc 4c 89 6d e8 4c 89 75 f0 4c 89 7d f8 48 8 [..garbled..]
[52608.609559] RIP  [<ffffffff81532a17>] __netpoll_cleanup+0x27/0xe0
[52608.609563]  RSP <ffff8801ba447de8>
[52608.609564] CR2: 00000000000003e0
[52608.609567] ---[ end trace d25ec343349b61d2 ]---

Signed-off-by: Dan Aloni <alonid@postram.com>
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
CC: David S. Miller <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agosh_eth: Enable Rx descriptor word 0 shift for r8a7790
Kouei Abe [Fri, 30 Aug 2013 03:41:08 +0000 (12:41 +0900)]
sh_eth: Enable Rx descriptor word 0 shift for r8a7790

This corrects an oversight when r8a7790 support was added to sh_eth.

Signed-off-by: Kouei Abe <kouei.abe.cp@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agosh_eth: Fix cache invalidation omission of receive buffer
Kouei Abe [Fri, 30 Aug 2013 03:41:07 +0000 (12:41 +0900)]
sh_eth: Fix cache invalidation omission of receive buffer

Signed-off-by: Kouei Abe <kouei.abe.cp@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agobonding: use rlb_client_info->vlan_id instead of ->tag
Veaceslav Falico [Thu, 29 Aug 2013 21:38:57 +0000 (23:38 +0200)]
bonding: use rlb_client_info->vlan_id instead of ->tag

Store VID in ->vlan_id (if any), and remove the useless ->tag.

CC: Jay Vosburgh <fubar@us.ibm.com>
CC: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: Veaceslav Falico <vfalico@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agobonding: remove bond_vlan_used()
Veaceslav Falico [Thu, 29 Aug 2013 21:38:56 +0000 (23:38 +0200)]
bonding: remove bond_vlan_used()

We're using it currently to verify if we have vlans before getting the tag
from the skb we're about to send. It's useless because the vlan_get_tag()
verifies if the skb has the tag (and returns an error if not), and we can
receive tagged skbs only if we *already* have vlans.

Plus, the current RCUed implementation is kind of useless anyway - the we
can remove the last vlan in the moment we return from the function.

So remove the only usage of it and the whole function.

CC: Jay Vosburgh <fubar@us.ibm.com>
CC: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: Veaceslav Falico <vfalico@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoMerge branch 'for-davem' of git://gitorious.org/linux-can/linux-can-next
David S. Miller [Wed, 4 Sep 2013 01:54:02 +0000 (21:54 -0400)]
Merge branch 'for-davem' of git://gitorious.org/linux-can/linux-can-next

Marc Kleine-Budde says:

====================
this is a pull request for net-next. There are two patches from Gerhard
Sittig, which improves the clock handling on mpc5121. Oliver Hartkopp
provides a patch that adds a per rule limitation of frame hops.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoMerge branch 'for-davem' of git://git.kernel.org/pub/scm/linux/kernel/git/linville...
David S. Miller [Wed, 4 Sep 2013 01:45:31 +0000 (21:45 -0400)]
Merge branch 'for-davem' of git://git./linux/kernel/git/linville/wireless-next

John W. Linville says:

====================
Please accept this batch of updates intended for the 3.12 stream.

For the mac80211 bits, Johannes says this:

"This time I have various improvements all over the place: IBSS, mesh,
testmode, AP client powersave handling, one of the rare rfkill patches
and some code cleanup."

Also for mac80211:

"And I also have some more changes for -next, just a few small fixes and
improvements, nothing really stands out."

And for iwlwifi:

"This time I have some powersave work (notably uAPSD support), CQM
offloads, support for a new firmware API and various code cleanups."

Regarding the Bluetooth bits, Gustavo says:

"Patches to 3.12, here we have:

* implementation of a proper tty_port for RFCOMM devices, this fixes some
issues people were seeing lately in the kernel.
* Add voice_setting option for SCO, it is used for SCO Codec selection
* bugfixes, small improvements and clean ups"

For the NFC bits, Samuel says:

"With this one we have:

- A few pn533 improvements and minor fixes. Testing our pn533 driver
  against Google's NCI stack triggered a few issues that we fixed now.
  We also added Tx fragmentation support to this driver.

- More NFC secure element handling. We added a GET_SE netlink command
  for getting all the discovered secure elements, and we defined 2
  additional secure element netlink event (transaction and connectivity).
  We also fixed a couple of typos and copy-paste bugs from the secure
  element handling code.

- Firmware download support for the pn544 driver. This chipset can enter a
  special mode where it's waiting for firmware blobs to replace the
  already flashed one. We now support that mode."

With repect to the ath tree, Kalle says:

"New features in ath10k are rx/tx checsumming in hw and survey scan
implemented by Michal. Also he made fixes to different areas of the
driver, most notable being fixing the case when using two streams and
reducing the number of interface combinations to avoid firmware crashes.
Bartosz did a clean related to how we handle SoC power save in PCI
layer.

For ath6kl Mohammed and Vasanth sent each a patch to fix two infrequent
crashes."

I also pulled the wireless tree into wireless-next to support a
request from Johannes.  On top of all that, there are the usual
sort of driver updates.  The mwifiex, brcmfmac, brcmsmac, ath9k,
and rt2x00 drivers all get some attention, as does the bcma bus and
a few other random bits here and there.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: sctp: probe: allow more advanced ingress filtering by mark
Daniel Borkmann [Thu, 29 Aug 2013 16:54:49 +0000 (18:54 +0200)]
net: sctp: probe: allow more advanced ingress filtering by mark

This is a follow-up commit for commit b1dcdc68b1f4 ("net: tcp_probe:
allow more advanced ingress filtering by mark") that allows for
advanced SCTP probe module filtering based on skb mark (for a more
detailed description and advantages using mark, refer to b1dcdc68b1f4).
The current option to filter by a given port is still being preserved.

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: neighbour: Remove CONFIG_ARPD
Tim Gardner [Thu, 29 Aug 2013 12:38:47 +0000 (06:38 -0600)]
net: neighbour: Remove CONFIG_ARPD

This config option is superfluous in that it only guards a call
to neigh_app_ns(). Enabling CONFIG_ARPD by default has no
change in behavior. There will now be call to __neigh_notify()
for each ARP resolution, which has no impact unless there is a
user space daemon waiting to receive the notification, i.e.,
the case for which CONFIG_ARPD was designed anyways.

Suggested-by: Eric W. Biederman <ebiederm@xmission.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Cc: James Morris <jmorris@namei.org>
Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Cc: Patrick McHardy <kaber@trash.net>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Gao feng <gaofeng@cn.fujitsu.com>
Cc: Joe Perches <joe@perches.com>
Cc: Veaceslav Falico <vfalico@redhat.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
Reviewed-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agovirtio-net: Set RXCSUM feature if GUEST_CSUM is available
Thomas Huth [Tue, 27 Aug 2013 15:09:02 +0000 (17:09 +0200)]
virtio-net: Set RXCSUM feature if GUEST_CSUM is available

If the VIRTIO_NET_F_GUEST_CSUM virtio feature is available, the guest
does not have to calculate the checksums on all received packets. This
is pretty much the same feature as RX checksum offloading on real
network cards, so the virtio-net driver should report this by setting
the NETIF_F_RXCSUM flag. When the user now runs "ethtool -k", he or she
can see whether the virtio-net interface has to calculate RX checksums
or not.

Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Acked-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoMerge branch 'addr_assign_type'
David S. Miller [Wed, 4 Sep 2013 00:57:57 +0000 (20:57 -0400)]
Merge branch 'addr_assign_type'

Bjørn Mork says:

====================
net: set addr_assign_type when inheriting a dev_addr

Copying the dev_addr from a parent device is an operation
common to a number of drivers. The addr_assign_type should
be updated accordingly, either by reusing the value from
the source device or explicitly indicating that the address
is stolen by setting addr_assign_type to NET_ADDR_STOLEN.

This patch set adds a helper copying both the dev_addr and
the addr_assign_type, and use this helper in drivers which
don't currently set the addr_assign_type. Using NET_ADDR_STOLEN
might be more appropriate in some of these cases.  Please
let me know, and I'll update the patch accordingly.

Changes in v2:
 - assuming addr_len == ETH_ALEN to allow optimized memcpy
 - dropped the vt6656 patch due to addr_len being unset in that driver
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agostaging: vt6655: inherit addr_assign_type along with dev_addr
Bjørn Mork [Fri, 30 Aug 2013 16:08:52 +0000 (18:08 +0200)]
staging: vt6655: inherit addr_assign_type along with dev_addr

A device inheriting a random or set address should reflect this in
its addr_assign_type.

Cc: Forest Bond <forest@alittletooquiet.net>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: libertas: inherit addr_assign_type along with dev_addr
Bjørn Mork [Fri, 30 Aug 2013 16:08:51 +0000 (18:08 +0200)]
net: libertas: inherit addr_assign_type along with dev_addr

A device inheriting a random or set address should reflect this in
its addr_assign_type.

Acked-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: hostap: inherit addr_assign_type along with dev_addr
Bjørn Mork [Fri, 30 Aug 2013 16:08:50 +0000 (18:08 +0200)]
net: hostap: inherit addr_assign_type along with dev_addr

A device inheriting a random or set address should reflect this in
its addr_assign_type.

Cc: Jouni Malinen <j@w1.fi>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: airo: inherit addr_assign_type along with dev_addr
Bjørn Mork [Fri, 30 Aug 2013 16:08:49 +0000 (18:08 +0200)]
net: airo: inherit addr_assign_type along with dev_addr

A device inheriting a random or set address should reflect this in
its addr_assign_type.

Acked-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: team: inherit addr_assign_type along with dev_addr
Bjørn Mork [Fri, 30 Aug 2013 16:08:48 +0000 (18:08 +0200)]
net: team: inherit addr_assign_type along with dev_addr

A device inheriting a random or set address should reflect this in
its addr_assign_type.

Cc: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: macvlan: inherit addr_assign_type along with dev_addr
Bjørn Mork [Fri, 30 Aug 2013 16:08:47 +0000 (18:08 +0200)]
net: macvlan: inherit addr_assign_type along with dev_addr

A device inheriting a random or set address should reflect this in
its addr_assign_type.

Cc: Patrick McHardy <kaber@trash.net>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: dsa: inherit addr_assign_type along with dev_addr
Bjørn Mork [Fri, 30 Aug 2013 16:08:46 +0000 (18:08 +0200)]
net: dsa: inherit addr_assign_type along with dev_addr

A device inheriting a random or set address should reflect this in
its addr_assign_type.

Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: vlan: inherit addr_assign_type along with dev_addr
Bjørn Mork [Fri, 30 Aug 2013 16:08:45 +0000 (18:08 +0200)]
net: vlan: inherit addr_assign_type along with dev_addr

A device inheriting a random or set address should reflect this in
its addr_assign_type.

Cc: Patrick McHardy <kaber@trash.net>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: etherdevice: add address inherit helper
Bjørn Mork [Fri, 30 Aug 2013 16:08:44 +0000 (18:08 +0200)]
net: etherdevice: add address inherit helper

Some etherdevices inherit their address from a parent or
master device. The addr_assign_type should be updated along
with the address in these cases.  Adding a helper function
to simplify this.

Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: make snmp_mib_free static inline
Cong Wang [Mon, 2 Sep 2013 02:06:53 +0000 (10:06 +0800)]
net: make snmp_mib_free static inline

Fengguang reported:

   net/built-in.o: In function `in6_dev_finish_destroy':
   (.text+0x4ca7d): undefined reference to `snmp_mib_free'

this is due to snmp_mib_free() is defined when CONFIG_INET is enabled,
but in6_dev_finish_destroy() is now moved to core kernel.

I think snmp_mib_free() is small enough to be inlined, so just make it
static inline.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agovxlan: include net/ip6_checksum.h for csum_ipv6_magic()
Cong Wang [Mon, 2 Sep 2013 02:06:52 +0000 (10:06 +0800)]
vxlan: include net/ip6_checksum.h for csum_ipv6_magic()

Fengguang reported a compile warning:

   drivers/net/vxlan.c: In function 'vxlan6_xmit_skb':
   drivers/net/vxlan.c:1352:3: error: implicit declaration of function 'csum_ipv6_magic' [-Werror=implicit-function-declaration]
   cc1: some warnings being treated as errors

this patch fixes it.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agovxlan: fix flowi6_proto value
Cong Wang [Mon, 2 Sep 2013 02:06:51 +0000 (10:06 +0800)]
vxlan: fix flowi6_proto value

It should be IPPROTO_UDP.

Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoMerge branch 'qlcnic'
David S. Miller [Sun, 1 Sep 2013 02:35:26 +0000 (22:35 -0400)]
Merge branch 'qlcnic'

Shahed Shaikh says:

====================
This patch series contains -
* Enhanced PVID handling for 84xx adapters by
  not indicating PVID configuration to VF driver and
  keeping VF driver in no VLAN configuration mode becasue
  adapter supports VLAN stripping.
* Removed inappropriate usage of inline keyword.
* Enhanced minidump feature by using firmware recommended
  dump capture mask and using CAMRAM register to store
  firmware dump state.
* AER handling support for 83xx adapter.
* Added support for per port eswitch configuration.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoqlcnic: Update version to 5.3.50
Shahed Shaikh [Fri, 30 Aug 2013 17:51:24 +0000 (13:51 -0400)]
qlcnic: Update version to 5.3.50

Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoqlcnic: Add support for per port eswitch configuration
Sony Chacko [Fri, 30 Aug 2013 17:51:23 +0000 (13:51 -0400)]
qlcnic: Add support for per port eswitch configuration

There is an embedded switch per physical port on the adapter.
Add support for enabling and disabling the embedded switch
on per port basis.

Signed-off-by: Sony Chacko <sony.chacko@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoqlcnic: Restructuring of qlc_83xx_fw_info structure.
Pratik Pujar [Fri, 30 Aug 2013 17:51:22 +0000 (13:51 -0400)]
qlcnic: Restructuring of qlc_83xx_fw_info structure.

o Removed unused and unnecessary members from qlc_83xx_fw_info
  structure.
o Made fw_info member of qlcnic_hardware_context as a pointer to
  qlc_83xx_fw_info structure.
o Added a member fw_file_name to qlc_83xx_fw_info structure which
  will hold the name of firmware image file name.

Signed-off-by: Pratik Pujar <pratik.pujar@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoqlcnic: Add AER support for 83xx adapter
Pratik Pujar [Fri, 30 Aug 2013 17:51:21 +0000 (13:51 -0400)]
qlcnic: Add AER support for 83xx adapter

Signed-off-by: Pratik Pujar <pratik.pujar@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoqlcnic: Add AER callback handlers.
Pratik Pujar [Fri, 30 Aug 2013 17:51:20 +0000 (13:51 -0400)]
qlcnic: Add AER callback handlers.

o Generic AER callback handlers will make use of qlcnic_hardware_ops structure
  to call adapter specific handlers.

Signed-off-by: Pratik Pujar <pratik.pujar@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoqlcnic: Store firmware dump state in CAMRAM register
Shahed Shaikh [Fri, 30 Aug 2013 17:51:19 +0000 (13:51 -0400)]
qlcnic: Store firmware dump state in CAMRAM register

-Use CAMRAM register to store firmware dump state in adapter
 instead of maintaining it in each function driver separately.
-Return appropriate error code on failure

Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoqlcnic: Use firmware recommended dump capture mask as default
Shahed Shaikh [Fri, 30 Aug 2013 17:51:18 +0000 (13:51 -0400)]
qlcnic: Use firmware recommended dump capture mask as default

Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoqlcnic: Remove inline keyword
Manish Chopra [Fri, 30 Aug 2013 17:51:17 +0000 (13:51 -0400)]
qlcnic: Remove inline keyword

o Remove inline keyword from function prototypes wherever it is not appropriate.

Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoqlcnic: Enhance PVID handling for 84xx adapters
Manish Chopra [Fri, 30 Aug 2013 17:51:16 +0000 (13:51 -0400)]
qlcnic: Enhance PVID handling for 84xx adapters

o PF driver should not indicate PVID configuration to VF driver.
  As adapter supports VLAN stripping, VF driver should stay agnostic
  to any PVID configuration.

o Return "QLC_NO_VLAN_MODE(= 0)" to VFD when PVID is configured.
  VF driver should be in no VLAN configuration mode.

Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: unify skb_udp_tunnel_segment() and skb_udp6_tunnel_segment()
Cong Wang [Sat, 31 Aug 2013 05:44:38 +0000 (13:44 +0800)]
net: unify skb_udp_tunnel_segment() and skb_udp6_tunnel_segment()

As suggested by Pravin, we can unify the code in case of duplicated
code.

Cc: Pravin Shelar <pshelar@nicira.com>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoipv6: Add generic UDP Tunnel segmentation
Cong Wang [Sat, 31 Aug 2013 05:44:37 +0000 (13:44 +0800)]
ipv6: Add generic UDP Tunnel segmentation

Similar to commit 731362674580cb0c696cd1b1a03d8461a10cf90a
(tunneling: Add generic Tunnel segmentation)

This patch adds generic tunneling offloading support for
IPv6-UDP based tunnels.

This can be used by tunneling protocols like VXLAN.

Cc: Jesse Gross <jesse@nicira.com>
Cc: Pravin B Shelar <pshelar@nicira.com>
Cc: Stephen Hemminger <stephen@networkplumber.org>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agovxlan: add ipv6 proxy support
Cong Wang [Sat, 31 Aug 2013 05:44:36 +0000 (13:44 +0800)]
vxlan: add ipv6 proxy support

This patch adds the IPv6 version of "arp_reduce", ndisc_send_na()
will be needed.

Cc: David S. Miller <davem@davemloft.net>
Cc: David Stevens <dlstevens@us.ibm.com>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoipv6: move in6_dev_finish_destroy() into core kernel
Cong Wang [Sat, 31 Aug 2013 05:44:35 +0000 (13:44 +0800)]
ipv6: move in6_dev_finish_destroy() into core kernel

in6_dev_put() will be needed by vxlan module, so is
in6_dev_finish_destroy().

Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agovxlan: add ipv6 route short circuit support
Cong Wang [Sat, 31 Aug 2013 05:44:34 +0000 (13:44 +0800)]
vxlan: add ipv6 route short circuit support

route short circuit only has IPv4 part, this patch adds
the IPv6 part. nd_tbl will be needed.

Cc: David S. Miller <davem@davemloft.net>
Cc: David Stevens <dlstevens@us.ibm.com>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agovxlan: add ipv6 support
Cong Wang [Sat, 31 Aug 2013 05:44:33 +0000 (13:44 +0800)]
vxlan: add ipv6 support

This patch adds IPv6 support to vxlan device, as the new version
RFC already mentions it:

   http://tools.ietf.org/html/draft-mahalingam-dutt-dcops-vxlan-03

Cc: David Stevens <dlstevens@us.ibm.com>
Cc: Stephen Hemminger <stephen@networkplumber.org>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoipv6: do not call ndisc_send_rs() with write lock
Cong Wang [Sat, 31 Aug 2013 05:44:32 +0000 (13:44 +0800)]
ipv6: do not call ndisc_send_rs() with write lock

Because vxlan module will call ip6_dst_lookup() in TX path,
which will hold write lock. So we have to release this write lock
before calling ndisc_send_rs(), otherwise could deadlock.

Reviewed-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoipv6: export in6addr_loopback to modules
Cong Wang [Sat, 31 Aug 2013 05:44:31 +0000 (13:44 +0800)]
ipv6: export in6addr_loopback to modules

It is needed by vxlan module. Noticed by Mike.

Cc: Mike Rapoport <mike.rapoport@ravellosystems.com>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoipv6: export a stub for IPv6 symbols used by vxlan
Cong Wang [Sat, 31 Aug 2013 05:44:30 +0000 (13:44 +0800)]
ipv6: export a stub for IPv6 symbols used by vxlan

In case IPv6 is compiled as a module, introduce a stub
for ipv6_sock_mc_join and ipv6_sock_mc_drop etc.. It will be used
by vxlan module. Suggested by Ben.

This is an ugly but easy solution for now.

Cc: Ben Hutchings <bhutchings@solarflare.com>
Cc: Stephen Hemminger <stephen@networkplumber.org>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoipv6: move ip6_local_out into core kernel
Cong Wang [Sat, 31 Aug 2013 05:44:29 +0000 (13:44 +0800)]
ipv6: move ip6_local_out into core kernel

It will be used the vxlan kernel module.

Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoipv6: move ip6_dst_hoplimit() into core kernel
Cong Wang [Sat, 31 Aug 2013 05:44:28 +0000 (13:44 +0800)]
ipv6: move ip6_dst_hoplimit() into core kernel

It will be used by vxlan, and may not be inlined.

Cc: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoMerge branch 'for-davem' of git://git.kernel.org/pub/scm/linux/kernel/git/bwh/sfc...
David S. Miller [Sun, 1 Sep 2013 02:24:24 +0000 (22:24 -0400)]
Merge branch 'for-davem' of git://git./linux/kernel/git/bwh/sfc-next

Ben Hutchings says:

====================
1. A little more refactoring.
2. Remove the unnecessary use of atomic_t that you pointed out.
3. Add support for starting or queueing firmware requests from atomic
context.
4. Add hwmon support for additional sensors found on some new boards.
5. Add support for the EF10 controller architecture, the SFC9100 family
and specifically the SFC9120 controller.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoqdisc: fix build with !CONFIG_NET_SCHED
stephen hemminger [Sat, 31 Aug 2013 17:15:33 +0000 (10:15 -0700)]
qdisc: fix build with !CONFIG_NET_SCHED

Multiqueue scheduler refers to default_qdisc_ops; therefore the
variable definition needs to be moved to handle case where net
scheduler API is not available.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoqdisc: make args to qdisc_create_default const
stephen hemminger [Sat, 31 Aug 2013 17:15:50 +0000 (10:15 -0700)]
qdisc: make args to qdisc_create_default const

Fixes warnings introduced by the qdisc default patch.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoqdisc: allow setting default queuing discipline
stephen hemminger [Tue, 27 Aug 2013 23:19:08 +0000 (16:19 -0700)]
qdisc: allow setting default queuing discipline

By default, the pfifo_fast queue discipline has been used by default
for all devices. But we have better choices now.

This patch allow setting the default queueing discipline with sysctl.
This allows easy use of better queueing disciplines on all devices
without having to use tc qdisc scripts. It is intended to allow
an easy path for distributions to make fq_codel or sfq the default
qdisc.

This patch also makes pfifo_fast more of a first class qdisc, since
it is now possible to manually override the default and explicitly
use pfifo_fast. The behavior for systems who do not use the sysctl
is unchanged, they still get pfifo_fast

Also removes leftover random # in sysctl net core.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet/fec: cleanup types in fec_get_mac()
Dan Carpenter [Thu, 29 Aug 2013 08:25:14 +0000 (11:25 +0300)]
net/fec: cleanup types in fec_get_mac()

My static checker complains that on some arches unsigned longs can be 8
characters which is larger than the buffer is only 6 chars.
Additionally, Ben Hutchings points out that the buffer actually holds
big endian data and the buffer we are reading from is CPU endian.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: stmmac: use dev_get_platdata()
Jingoo Han [Fri, 30 Aug 2013 05:13:46 +0000 (14:13 +0900)]
net: stmmac: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: macb: use dev_get_platdata()
Jingoo Han [Fri, 30 Aug 2013 05:12:21 +0000 (14:12 +0900)]
net: macb: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: at91_ether: use dev_get_platdata()
Jingoo Han [Fri, 30 Aug 2013 05:11:53 +0000 (14:11 +0900)]
net: at91_ether: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: mdio-mux-gpio: use dev_get_platdata()
Jingoo Han [Fri, 30 Aug 2013 05:09:26 +0000 (14:09 +0900)]
net: mdio-mux-gpio: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: mdio-gpio: use dev_get_platdata()
Jingoo Han [Fri, 30 Aug 2013 05:08:55 +0000 (14:08 +0900)]
net: mdio-gpio: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: ixp4xx_eth: use dev_get_platdata()
Jingoo Han [Fri, 30 Aug 2013 05:08:22 +0000 (14:08 +0900)]
net: ixp4xx_eth: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: w5100: use dev_get_platdata()
Jingoo Han [Fri, 30 Aug 2013 05:07:38 +0000 (14:07 +0900)]
net: w5100: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: w5300: use dev_get_platdata()
Jingoo Han [Fri, 30 Aug 2013 05:07:06 +0000 (14:07 +0900)]
net: w5300: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: tsi108: use dev_get_platdata()
Jingoo Han [Fri, 30 Aug 2013 05:06:41 +0000 (14:06 +0900)]
net: tsi108: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: davinci_mdio: use dev_get_platdata()
Jingoo Han [Fri, 30 Aug 2013 05:06:02 +0000 (14:06 +0900)]
net: davinci_mdio: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: davinci_emac: use dev_get_platdata()
Jingoo Han [Fri, 30 Aug 2013 03:29:57 +0000 (12:29 +0900)]
net: davinci_emac: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: cpmac: use dev_get_platdata()
Jingoo Han [Fri, 30 Aug 2013 05:05:02 +0000 (14:05 +0900)]
net: cpmac: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: niu: use dev_get_platdata()
Jingoo Han [Fri, 30 Aug 2013 05:04:17 +0000 (14:04 +0900)]
net: niu: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: smsc911x: use dev_get_platdata()
Jingoo Han [Fri, 30 Aug 2013 05:02:57 +0000 (14:02 +0900)]
net: smsc911x: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: smc911x: use dev_get_platdata()
Jingoo Han [Fri, 30 Aug 2013 05:02:06 +0000 (14:02 +0900)]
net: smc911x: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: smc91x: use dev_get_platdata()
Jingoo Han [Fri, 30 Aug 2013 05:01:35 +0000 (14:01 +0900)]
net: smc91x: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: seeq: use dev_get_platdata()
Jingoo Han [Fri, 30 Aug 2013 05:00:45 +0000 (14:00 +0900)]
net: seeq: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: sh_eth: use dev_get_platdata()
Jingoo Han [Fri, 30 Aug 2013 05:00:11 +0000 (14:00 +0900)]
net: sh_eth: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: netx-eth: use dev_get_platdata()
Jingoo Han [Fri, 30 Aug 2013 04:59:34 +0000 (13:59 +0900)]
net: netx-eth: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: ks8851-ml: use dev_get_platdata()
Jingoo Han [Fri, 30 Aug 2013 04:59:01 +0000 (13:59 +0900)]
net: ks8851-ml: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: ks8842: use dev_get_platdata()
Jingoo Han [Fri, 30 Aug 2013 04:58:30 +0000 (13:58 +0900)]
net: ks8842: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: pxa168_eth: use dev_get_platdata()
Jingoo Han [Fri, 30 Aug 2013 04:58:00 +0000 (13:58 +0900)]
net: pxa168_eth: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: mv643xx_eth: use dev_get_platdata()
Jingoo Han [Fri, 30 Aug 2013 04:57:13 +0000 (13:57 +0900)]
net: mv643xx_eth: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: fec: use dev_get_platdata()
Jingoo Han [Fri, 30 Aug 2013 04:56:26 +0000 (13:56 +0900)]
net: fec: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Fugang Duan <B38611@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: ethoc: use dev_get_platdata()
Jingoo Han [Fri, 30 Aug 2013 04:55:46 +0000 (13:55 +0900)]
net: ethoc: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: dm9000: use dev_get_platdata()
Jingoo Han [Fri, 30 Aug 2013 04:55:14 +0000 (13:55 +0900)]
net: dm9000: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: ep93xx_eth: use dev_get_platdata()
Jingoo Han [Fri, 30 Aug 2013 04:54:37 +0000 (13:54 +0900)]
net: ep93xx_eth: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: bcm63xx_enet: use dev_get_platdata()
Jingoo Han [Fri, 30 Aug 2013 04:52:21 +0000 (13:52 +0900)]
net: bcm63xx_enet: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: au1000_eth: use dev_get_platdata()
Jingoo Han [Fri, 30 Aug 2013 04:51:45 +0000 (13:51 +0900)]
net: au1000_eth: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: bfin_mac: use dev_get_platdata()
Jingoo Han [Fri, 30 Aug 2013 04:50:48 +0000 (13:50 +0900)]
net: bfin_mac: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: ax88796: use dev_get_platdata()
Jingoo Han [Fri, 30 Aug 2013 04:44:34 +0000 (13:44 +0900)]
net: ax88796: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agomacvlan: fix typo in assignment
Lutz Jaenicke [Wed, 28 Aug 2013 11:34:31 +0000 (13:34 +0200)]
macvlan: fix typo in assignment

commit 3b04ddde02cf1b6f14f2697da5c20eca5715017f
"[NET]: Move hardware header operations out of netdevice."
moved the handling into macvlan setup adding
  dev->header_ops         = &macvlan_hard_header_ops,
At the end of the line the ',' should have been a ';'

Signed-off-by: Lutz Jaenicke <ljaenicke@innominate.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agodriver:net:stmmac: Disable DMA store and forward mode if platform data force_thresh_d...
Sonic Zhang [Wed, 28 Aug 2013 10:55:39 +0000 (18:55 +0800)]
driver:net:stmmac: Disable DMA store and forward mode if platform data force_thresh_dma_mode is set.

Some synopsys ip implementation doesn't support DMA store and forward mode,
such as BF60x. So, set force_thresh_dma_mode to use DMA thresholds only.
Update document and devicetree as well.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Acked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoipv6: Remove redundant sk variable
Thomas Graf [Wed, 28 Aug 2013 10:05:38 +0000 (12:05 +0200)]
ipv6: Remove redundant sk variable

A sk variable initialized to ndisc_sk is already available outside
of the branch.

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agotcp: do not use cached RTT for RTT estimation
Yuchung Cheng [Fri, 30 Aug 2013 15:35:53 +0000 (08:35 -0700)]
tcp: do not use cached RTT for RTT estimation

RTT cached in the TCP metrics are valuable for the initial timeout
because SYN RTT usually does not account for serialization delays
on low BW path.

However using it to seed the RTT estimator maybe disruptive because
other components (e.g., pacing) require the smooth RTT to be obtained
from actual connection.

The solution is to use the higher cached RTT to set the first RTO
conservatively like tcp_rtt_estimator(), but avoid seeding the other
RTT estimator variables such as srtt.  It is also a good idea to
keep RTO conservative to obtain the first RTT sample, and the
performance is insured by TCP loss probe if SYN RTT is available.

To keep the seeding formula consistent across SYN RTT and cached RTT,
the rttvar is twice the cached RTT instead of cached RTTVAR value. The
reason is because cached variation may be too small (near min RTO)
which defeats the purpose of being conservative on first RTO. However
the metrics still keep the RTT variations as they might be useful for
user applications (through ip).

Signed-off-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Tested-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agopkt_sched: fq: prefetch() fix
Eric Dumazet [Fri, 30 Aug 2013 16:46:43 +0000 (09:46 -0700)]
pkt_sched: fq: prefetch() fix

kbuild bot reported following m68k build error :

  net/sched/sch_fq.c: In function 'fq_dequeue':
>> net/sched/sch_fq.c:491:2: error: implicit declaration of function
'prefetch' [-Werror=implicit-function-declaration]
   cc1: some warnings being treated as errors

While we are fixing this, move this prefetch() call a bit earlier.

Reported-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agodrivers:net: Convert dma_alloc_coherent(...__GFP_ZERO) to dma_zalloc_coherent
Joe Perches [Tue, 27 Aug 2013 05:45:23 +0000 (22:45 -0700)]
drivers:net: Convert dma_alloc_coherent(...__GFP_ZERO) to dma_zalloc_coherent

__GFP_ZERO is an uncommon flag and perhaps is better
not used.  static inline dma_zalloc_coherent exists
so convert the uses of dma_alloc_coherent with __GFP_ZERO
to the more common kernel style with zalloc.

Remove memset from the static inline dma_zalloc_coherent
and add just one use of __GFP_ZERO instead.

Trivially reduces the size of the existing uses of
dma_zalloc_coherent.

Realign arguments as appropriate.

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agopkt_sched: fq: Fair Queue packet scheduler
Eric Dumazet [Thu, 29 Aug 2013 22:49:55 +0000 (15:49 -0700)]
pkt_sched: fq: Fair Queue packet scheduler

- Uses perfect flow match (not stochastic hash like SFQ/FQ_codel)
- Uses the new_flow/old_flow separation from FQ_codel
- New flows get an initial credit allowing IW10 without added delay.
- Special FIFO queue for high prio packets (no need for PRIO + FQ)
- Uses a hash table of RB trees to locate the flows at enqueue() time
- Smart on demand gc (at enqueue() time, RB tree lookup evicts old
  unused flows)
- Dynamic memory allocations.
- Designed to allow millions of concurrent flows per Qdisc.
- Small memory footprint : ~8K per Qdisc, and 104 bytes per flow.
- Single high resolution timer for throttled flows (if any).
- One RB tree to link throttled flows.
- Ability to have a max rate per flow. We might add a socket option
  to add per socket limitation.

Attempts have been made to add TCP pacing in TCP stack, but this
seems to add complex code to an already complex stack.

TCP pacing is welcomed for flows having idle times, as the cwnd
permits TCP stack to queue a possibly large number of packets.

This removes the 'slow start after idle' choice, hitting badly
large BDP flows, and applications delivering chunks of data
as video streams.

Nicely spaced packets :
Here interface is 10Gbit, but flow bottleneck is ~20Mbit

cwin is big, yet FQ avoids the typical bursts generated by TCP
(as in netperf TCP_RR -- -r 100000,100000)

15:01:23.545279 IP A > B: . 78193:81089(2896) ack 65248 win 3125 <nop,nop,timestamp 1115 11597805>
15:01:23.545394 IP B > A: . ack 81089 win 3668 <nop,nop,timestamp 11597985 1115>
15:01:23.546488 IP A > B: . 81089:83985(2896) ack 65248 win 3125 <nop,nop,timestamp 1115 11597805>
15:01:23.546565 IP B > A: . ack 83985 win 3668 <nop,nop,timestamp 11597986 1115>
15:01:23.547713 IP A > B: . 83985:86881(2896) ack 65248 win 3125 <nop,nop,timestamp 1115 11597805>
15:01:23.547778 IP B > A: . ack 86881 win 3668 <nop,nop,timestamp 11597987 1115>
15:01:23.548911 IP A > B: . 86881:89777(2896) ack 65248 win 3125 <nop,nop,timestamp 1115 11597805>
15:01:23.548949 IP B > A: . ack 89777 win 3668 <nop,nop,timestamp 11597988 1115>
15:01:23.550116 IP A > B: . 89777:92673(2896) ack 65248 win 3125 <nop,nop,timestamp 1115 11597805>
15:01:23.550182 IP B > A: . ack 92673 win 3668 <nop,nop,timestamp 11597989 1115>
15:01:23.551333 IP A > B: . 92673:95569(2896) ack 65248 win 3125 <nop,nop,timestamp 1115 11597805>
15:01:23.551406 IP B > A: . ack 95569 win 3668 <nop,nop,timestamp 11597991 1115>
15:01:23.552539 IP A > B: . 95569:98465(2896) ack 65248 win 3125 <nop,nop,timestamp 1115 11597805>
15:01:23.552576 IP B > A: . ack 98465 win 3668 <nop,nop,timestamp 11597992 1115>
15:01:23.553756 IP A > B: . 98465:99913(1448) ack 65248 win 3125 <nop,nop,timestamp 1115 11597805>
15:01:23.554138 IP A > B: P 99913:100001(88) ack 65248 win 3125 <nop,nop,timestamp 1115 11597805>
15:01:23.554204 IP B > A: . ack 100001 win 3668 <nop,nop,timestamp 11597993 1115>
15:01:23.554234 IP B > A: . 65248:68144(2896) ack 100001 win 3668 <nop,nop,timestamp 11597993 1115>
15:01:23.555620 IP B > A: . 68144:71040(2896) ack 100001 win 3668 <nop,nop,timestamp 11597993 1115>
15:01:23.557005 IP B > A: . 71040:73936(2896) ack 100001 win 3668 <nop,nop,timestamp 11597993 1115>
15:01:23.558390 IP B > A: . 73936:76832(2896) ack 100001 win 3668 <nop,nop,timestamp 11597993 1115>
15:01:23.559773 IP B > A: . 76832:79728(2896) ack 100001 win 3668 <nop,nop,timestamp 11597993 1115>
15:01:23.561158 IP B > A: . 79728:82624(2896) ack 100001 win 3668 <nop,nop,timestamp 11597994 1115>
15:01:23.562543 IP B > A: . 82624:85520(2896) ack 100001 win 3668 <nop,nop,timestamp 11597994 1115>
15:01:23.563928 IP B > A: . 85520:88416(2896) ack 100001 win 3668 <nop,nop,timestamp 11597994 1115>
15:01:23.565313 IP B > A: . 88416:91312(2896) ack 100001 win 3668 <nop,nop,timestamp 11597994 1115>
15:01:23.566698 IP B > A: . 91312:94208(2896) ack 100001 win 3668 <nop,nop,timestamp 11597994 1115>
15:01:23.568083 IP B > A: . 94208:97104(2896) ack 100001 win 3668 <nop,nop,timestamp 11597994 1115>
15:01:23.569467 IP B > A: . 97104:100000(2896) ack 100001 win 3668 <nop,nop,timestamp 11597994 1115>
15:01:23.570852 IP B > A: . 100000:102896(2896) ack 100001 win 3668 <nop,nop,timestamp 11597994 1115>
15:01:23.572237 IP B > A: . 102896:105792(2896) ack 100001 win 3668 <nop,nop,timestamp 11597994 1115>
15:01:23.573639 IP B > A: . 105792:108688(2896) ack 100001 win 3668 <nop,nop,timestamp 11597994 1115>
15:01:23.575024 IP B > A: . 108688:111584(2896) ack 100001 win 3668 <nop,nop,timestamp 11597994 1115>
15:01:23.576408 IP B > A: . 111584:114480(2896) ack 100001 win 3668 <nop,nop,timestamp 11597994 1115>
15:01:23.577793 IP B > A: . 114480:117376(2896) ack 100001 win 3668 <nop,nop,timestamp 11597994 1115>

TCP timestamps show that most packets from B were queued in the same ms
timeframe (TSval 1159799{3,4}), but FQ managed to send them right
in time to avoid a big burst.

In slow start or steady state, very few packets are throttled [1]

FQ gets a bunch of tunables as :

  limit : max number of packets on whole Qdisc (default 10000)

  flow_limit : max number of packets per flow (default 100)

  quantum : the credit per RR round (default is 2 MTU)

  initial_quantum : initial credit for new flows (default is 10 MTU)

  maxrate : max per flow rate (default : unlimited)

  buckets : number of RB trees (default : 1024) in hash table.
               (consumes 8 bytes per bucket)

  [no]pacing : disable/enable pacing (default is enable)

All of them can be changed on a live qdisc.

$ tc qd add dev eth0 root fq help
Usage: ... fq [ limit PACKETS ] [ flow_limit PACKETS ]
              [ quantum BYTES ] [ initial_quantum BYTES ]
              [ maxrate RATE  ] [ buckets NUMBER ]
              [ [no]pacing ]

$ tc -s -d qd
qdisc fq 8002: dev eth0 root refcnt 32 limit 10000p flow_limit 100p buckets 256 quantum 3028 initial_quantum 15140
 Sent 216532416 bytes 148395 pkt (dropped 0, overlimits 0 requeues 14)
 backlog 0b 0p requeues 14
  511 flows, 511 inactive, 0 throttled
  110 gc, 0 highprio, 0 retrans, 1143 throttled, 0 flows_plimit

[1] Except if initial srtt is overestimated, as if using
cached srtt in tcp metrics. We'll provide a fix for this issue.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Yuchung Cheng <ycheng@google.com>
Cc: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>