linux-2.6-microblaze.git
11 years ago6lowpan: obtain IEEE802.15.4 sequence number from the MAC layer
Tony Cheneau [Mon, 25 Mar 2013 17:59:30 +0000 (17:59 +0000)]
6lowpan: obtain IEEE802.15.4 sequence number from the MAC layer

Sets the sequence number in the frame format. Without this fix, the sequence
number is always set to 0. This makes trafic analysis very hard.

Signed-off-by: Tony Cheneau <tony.cheneau@amnesiak.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agomac802154: add mac802154_dev_get_dsn()
Tony Cheneau [Mon, 25 Mar 2013 17:59:29 +0000 (17:59 +0000)]
mac802154: add mac802154_dev_get_dsn()

Bring-over mac802154_dev_get_dsn() function that was present in the
Linux ZigBee kernel. This function is called by the 6LoWPAN code in
order to properly set the DSN (Data Sequence Number) value in the IEEE
802.15.4 frame.

Signed-off-by: Tony Cheneau <tony.cheneau@amnesiak.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years ago6lowpan: store fragment tag values per device instead of net stack wide
Tony Cheneau [Mon, 25 Mar 2013 17:59:28 +0000 (17:59 +0000)]
6lowpan: store fragment tag values per device instead of net stack wide

Signed-off-by: Tony Cheneau <tony.cheneau@amnesiak.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years ago6lowpan: add debug messages for 6LoWPAN fragmentation
Tony Cheneau [Mon, 25 Mar 2013 17:59:27 +0000 (17:59 +0000)]
6lowpan: add debug messages for 6LoWPAN fragmentation

Add pr_debug() call in order to debug 6LoWPAN fragmentation and
reassembly.

Signed-off-by: Tony Cheneau <tony.cheneau@amnesiak.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years ago6lowpan: fix first fragment (FRAG1) handling
Tony Cheneau [Mon, 25 Mar 2013 17:59:26 +0000 (17:59 +0000)]
6lowpan: fix first fragment (FRAG1) handling

The first fragment, FRAG1, must contain some payload according to the
specs. However, as it is currently written, the first fragment will
remain empty and only contain the 6lowpan headers.

This patch also extracts the transport layer information from the first
fragment. This information is used later on when uncompressing UDP
header.

Thanks to Wolf-Bastian Pöttner for noticing that the offset value was
not properly initialized.

Signed-off-by: Tony Cheneau <tony.cheneau@amnesiak.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years ago6lowpan: use short IEEE 802.15.4 addresses for broadcast destination
Tony Cheneau [Mon, 25 Mar 2013 17:59:25 +0000 (17:59 +0000)]
6lowpan: use short IEEE 802.15.4 addresses for broadcast destination

The IEEE 802.15.4 standard uses the 0xFFFF short address (2 bytes) for message
broadcasting.

Signed-off-by: Tony Cheneau <tony.cheneau@amnesiak.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agomac802154: turn on ACK when enabled by the upper layers
Tony Cheneau [Mon, 25 Mar 2013 17:59:24 +0000 (17:59 +0000)]
mac802154: turn on ACK when enabled by the upper layers

Signed-off-by: Tony Cheneau <tony.cheneau@amnesiak.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years ago6lowpan: always enable link-layer acknowledgments
Tony Cheneau [Mon, 25 Mar 2013 17:59:23 +0000 (17:59 +0000)]
6lowpan: always enable link-layer acknowledgments

This feature is especially important when using fragmentation, because
the reassembly mechanism cannot recover from the loss of a fragment.

Note that some hardware ignore this flag and not will not transmit
acknowledgments even if this is set.

Signed-off-by: Tony Cheneau <tony.cheneau@amnesiak.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years ago6lowpan: next header is not properly set upon decompression of a UDP header.
Tony Cheneau [Mon, 25 Mar 2013 17:59:22 +0000 (17:59 +0000)]
6lowpan: next header is not properly set upon decompression of a UDP header.

This causes a drop of the UDP packet.

Signed-off-by: Tony Cheneau <tony.cheneau@amnesiak.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years ago6lowpan: lowpan_is_iid_16_bit_compressable() does not detect compressible address...
Tony Cheneau [Mon, 25 Mar 2013 17:59:21 +0000 (17:59 +0000)]
6lowpan: lowpan_is_iid_16_bit_compressable() does not detect compressible address correctly

The current test is not RFC6282 compliant. The same issue has been found
and fixed in Contiki. This patch is basically a port of their fix.

Signed-off-by: Tony Cheneau <tony.cheneau@amnesiak.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonetlink: have length check of rtnl msg before deref
Hong zhi guo [Mon, 25 Mar 2013 17:36:33 +0000 (17:36 +0000)]
netlink: have length check of rtnl msg before deref

When the legacy array rtm_min still exists, the length check within
these functions is covered by rtm_min[RTM_NEWTFILTER],
rtm_min[RTM_NEWQDISC] and rtm_min[RTM_NEWTCLASS].

But after Thomas Graf removed rtm_min several days ago, these checks
are missing. Other doit functions should be OK.

Signed-off-by: Hong Zhiguo <honkiko@gmail.com>
Acked-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoMerge branch 'ipv6-firewire'
David S. Miller [Tue, 26 Mar 2013 16:32:40 +0000 (12:32 -0400)]
Merge branch 'ipv6-firewire'

YOSHIFUJI Hideaki says:

====================
This is take 4 of supporting IPv6 over Firewire (IEEE 1394) based on
RFC3146.

Take 3->4:
- Fix receiving 1394 ARP, which comes without arp$tha.
- Remove rfc3146 unit directory on module exit.
- other minor clean-ups - minimize diffs.

====================

Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agofirewire net, ipv6: IPv6 over Firewire (RFC3146) support.
YOSHIFUJI Hideaki / 吉藤英明 [Mon, 25 Mar 2013 08:26:24 +0000 (08:26 +0000)]
firewire net, ipv6: IPv6 over Firewire (RFC3146) support.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agofirewire net, ipv4 arp: Extend hardware address and remove driver-level packet inspec...
YOSHIFUJI Hideaki / 吉藤英明 [Mon, 25 Mar 2013 08:26:16 +0000 (08:26 +0000)]
firewire net, ipv4 arp: Extend hardware address and remove driver-level packet inspection.

Inspection of upper layer protocol is considered harmful, especially
if it is about ARP or other stateful upper layer protocol; driver
cannot (and should not) have full state of them.

IPv4 over Firewire module used to inspect ARP (both in sending path
and in receiving path), and record peer's GUID, max packet size, max
speed and fifo address.  This patch removes such inspection by extending
our "hardware address" definition to include other information as well:
max packet size, max speed and fifo.  By doing this, The neighbour
module in networking subsystem can cache them.

Note: As we have started ignoring sspd and max_rec in ARP/NDP, those
      information will not be used in the driver when sending.

When a packet is being sent, the IP layer fills our pseudo header with
the extended "hardware address", including GUID and fifo.  The driver
can look-up node-id (the real but rather volatile low-level address)
by GUID, and then the module can send the packet to the wire using
parameters provided in the extendedn hardware address.

This approach is realistic because IP over IEEE1394 (RFC2734) and IPv6
over IEEE1394 (RFC3146) share same "hardware address" format
in their address resolution protocols.

Here, extended "hardware address" is defined as follows:

union fwnet_hwaddr {
u8 u[16];
struct {
__be64 uniq_id; /* EUI-64 */
u8 max_rec; /* max packet size */
u8 sspd; /* max speed */
__be16 fifo_hi; /* hi 16bits of FIFO addr */
__be32 fifo_lo; /* lo 32bits of FIFO addr */
} __packed uc;
};

Note that Hardware address is declared as union, so that we can map full
IP address into this, when implementing MCAP (Multicast Cannel Allocation
Protocol) for IPv6, but IP and ARP subsystem do not need to know this
format in detail.

One difference between original ARP (RFC826) and 1394 ARP (RFC2734)
is that 1394 ARP Request/Reply do not contain the target hardware address
field (aka ar$tha).  This difference is handled in the ARP subsystem.

CC: Stephan Gatzka <stephan.gatzka@gmail.com>
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agofirewire net: Ignore spd and max_payload advertised by ARP.
YOSHIFUJI Hideaki / 吉藤英明 [Mon, 25 Mar 2013 08:26:08 +0000 (08:26 +0000)]
firewire net: Ignore spd and max_payload advertised by ARP.

Stefan Richter <stefanr@s5r6.in-berlin.de> says:
| As far as I can tell, it would be best to ignore max_rec and sspd from ARP
| and NDP but keep using the respective information from firewire-core
| instead (handed over by fwnet_probe()).
|
| Why?  As I noted earlier, RFC 2734:1999 and RFC 3146:2001 were apparently
| written with a too simplistic notion of IEEE 1394 bus topology, resulting
| in max_rec and sspd in ARP-1394 and NDP-1394 to be useless, IMO.
|
| Consider a bus like this:
|
|     A ---- B ==== C
|
| A, B, C are all IP-over-1394 capable nodes.  ---- is an S400 cable hop,
| and ==== is an S800 cable hop.
|
| In case of unicasts or multicasts in which node A is involved as
| transmitter or receiver, as well as in case of broadcasts, the speeds
| S100, S200, S400 work and speed S400 is optimal.
|
| In case of anything else, IOW in case of unicasts or multicasts in which
| only nodes B and C are involved, the speeds S100, S200, S400, S800 work
| and speed S800 is optimal.
|
| Clearly, node A should indicate sspd = S400 in its ARP or NDP packets.
| But which sspd should nodes B and C set there?  Maybe they set S400, which
| would work but would waste half of the available bandwidth in the second
| case.  Or maybe they set S800, which is OK in the second case but would
| prohibit any communication with node A if blindly taken for correct.
|
| On the other hand, firewire-core *always* gives us the correct and optimum
| peer-to-peer speed and asynchronous packet payload, no matter how simple
| or complex the bus topology is and no matter in which temporal order nodes
| join the bus and are discovered.

CC: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agofirewire net: Allocate address handler before registering net_device.
YOSHIFUJI Hideaki / 吉藤英明 [Mon, 25 Mar 2013 08:25:57 +0000 (08:25 +0000)]
firewire net: Allocate address handler before registering net_device.

Allocate FIFO address before registering net_device.
This is preparation to change the pseudo hardware address format
for firewire devices to include the offset of the FIFO for receipt
of unicast datagrams, instead of mangling ARP/NDP messages in the
driver layer.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agofirewire net: Send L2 multicast via GASP.
YOSHIFUJI Hideaki / 吉藤英明 [Mon, 25 Mar 2013 08:25:48 +0000 (08:25 +0000)]
firewire net: Send L2 multicast via GASP.

Send L2 multicast packet via GASP (Global asynchronous stream packet) by
seeing the multicast bit in the L2 hardware address, not by seeing upper-
layer protocol address.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agofirewire net: Accept IPv4 and ARP only.
YOSHIFUJI Hideaki / 吉藤英明 [Mon, 25 Mar 2013 08:25:38 +0000 (08:25 +0000)]
firewire net: Accept IPv4 and ARP only.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet/davinci_emac: use devres APIs
Sekhar Nori [Sun, 24 Mar 2013 23:25:46 +0000 (23:25 +0000)]
net/davinci_emac: use devres APIs

Use devres APIs where possible to simplify error handling
in driver probe.

While at it, also rename the goto targets in error path to
introduce some consistency in how they are named.

Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoMerge branch 'tunnels'
David S. Miller [Tue, 26 Mar 2013 16:27:27 +0000 (12:27 -0400)]
Merge branch 'tunnels'

Pravin B Shelar says:

====================
Following patch series restructure GRE and IPIP tunneling code
to make it modular. It adds ip_tunnel module which acts as
generic tunneling layer which has common code.

These patches do not change any functionality.
v3:v4:
 - Fixed compilation error in ipv6.
 - Few coding style fixes.
v2-v3:
 - Use GPL exports for all export symbols.
 - Set default config NET_IP_TUNNEL to m.
v1-v2:
 - Dropped patch to convert gre_proto_lock to rtnl lock.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoTunneling: use IP Tunnel stats APIs.
Pravin B Shelar [Mon, 25 Mar 2013 14:50:00 +0000 (14:50 +0000)]
Tunneling: use IP Tunnel stats APIs.

Use common function get calculate rtnl_link_stats64 stats.

Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoVXLAN: Use IP Tunnels tunnel ENC encap API
Pravin B Shelar [Mon, 25 Mar 2013 14:49:53 +0000 (14:49 +0000)]
VXLAN: Use IP Tunnels tunnel ENC encap API

Use common ecn_encap functions from ip_tunnel module.

Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Acked-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoVXLAN: Fix vxlan stats handling.
Pravin B Shelar [Mon, 25 Mar 2013 14:49:46 +0000 (14:49 +0000)]
VXLAN: Fix vxlan stats handling.

Fixes bug in VXLAN code where is iptunnel_xmit() called with NULL
dev->tstats.
This bug was introduced in commit 6aed0c8bf7d2f389b (tunnel: use
iptunnel_xmit() again).

Following patch fixes bug by setting dev->tstats. It uses ip_tunnel
module code to share stats function.

CC: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Acked-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoIPIP: Use ip-tunneling code.
Pravin B Shelar [Mon, 25 Mar 2013 14:49:41 +0000 (14:49 +0000)]
IPIP: Use ip-tunneling code.

Reuse common ip-tunneling code which is re-factored from GRE
module.

Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoGRE: Refactor GRE tunneling code.
Pravin B Shelar [Mon, 25 Mar 2013 14:49:35 +0000 (14:49 +0000)]
GRE: Refactor GRE tunneling code.

Following patch refactors GRE code into ip tunneling code and GRE
specific code. Common tunneling code is moved to ip_tunnel module.
ip_tunnel module is written as generic library which can be used
by different tunneling implementations.

ip_tunnel module contains following components:
 - packet xmit and rcv generic code. xmit flow looks like
   (gre_xmit/ipip_xmit)->ip_tunnel_xmit->ip_local_out.
 - hash table of all devices.
 - lookup for tunnel devices.
 - control plane operations like device create, destroy, ioctl, netlink
   operations code.
 - registration for tunneling modules, like gre, ipip etc.
 - define single pcpu_tstats dev->tstats.
 - struct tnl_ptk_info added to pass parsed tunnel packet parameters.

ipip.h header is renamed to ip_tunnel.h

Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: Print functions in /proc/net/ptype without the offset.
David S. Miller [Mon, 25 Mar 2013 18:12:55 +0000 (14:12 -0400)]
net: Print functions in /proc/net/ptype without the offset.

It's always zero.

Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoipv4: Fix ip-header identification for gso packets.
Pravin B Shelar [Sun, 24 Mar 2013 17:36:29 +0000 (17:36 +0000)]
ipv4: Fix ip-header identification for gso packets.

ip-header id needs to be incremented even if IP_DF flag is set.
This behaviour was changed in commit 490ab08127cebc25e3a26
(IP_GRE: Fix IP-Identification).

Following patch fixes it so that identification is always
incremented.

Reported-by: Cong Wang <amwang@redhat.com>
Acked-by: Cong Wang <amwang@redhat.com>
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
11 years agoRevert "udp: increase inner ip header ID during segmentation"
Pravin B Shelar [Sun, 24 Mar 2013 17:36:23 +0000 (17:36 +0000)]
Revert "udp: increase inner ip header ID during segmentation"

This reverts commit d6a8c36dd6f6f06f046e5c61d3fb39b777c3bdc6.
Next commit makes this commit unnecessary.

Acked-by: Cong Wang <amwang@redhat.com>
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoRevert "ip_gre: increase inner ip header ID during segmentation"
Pravin B Shelar [Sun, 24 Mar 2013 17:36:16 +0000 (17:36 +0000)]
Revert "ip_gre: increase inner ip header ID during segmentation"

This reverts commit 10c0d7ed32b7c273970a20e211c08ab46fea3c26.
Next commit makes this commit unnecessary.

Acked-by: Cong Wang <amwang@redhat.com>
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agodsa: fix freeing of sparse port allocation
Florian Fainelli [Mon, 25 Mar 2013 05:03:40 +0000 (05:03 +0000)]
dsa: fix freeing of sparse port allocation

If we have defined a sparse port allocation which is non-contiguous and
contains gaps, the code freeing port_names will just stop when it
encouters a first NULL port_names, which is not right, we should iterate
over all possible number of ports (DSA_MAX_PORTS) until we are done.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agodsa: factor freeing of dsa_platform_data
Florian Fainelli [Mon, 25 Mar 2013 05:03:39 +0000 (05:03 +0000)]
dsa: factor freeing of dsa_platform_data

This patch factors the freeing of the struct dsa_platform_data
manipulated by the driver identically in two places to a single
function.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agodsa: fix device tree binding documentation typo on #address-cells
Florian Fainelli [Mon, 25 Mar 2013 05:03:38 +0000 (05:03 +0000)]
dsa: fix device tree binding documentation typo on #address-cells

The device tree binding documentation for dsa explicitely states that a
DSA node should have its #address-cells property set to 2, yet the
example still used 1, fix that typo.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoxen-netback: remove skb in xen_netbk_alloc_page
Wei Liu [Mon, 25 Mar 2013 01:08:20 +0000 (01:08 +0000)]
xen-netback: remove skb in xen_netbk_alloc_page

This variable is never used.

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoxen-netfront: frags -> slots in xennet_get_responses
Wei Liu [Mon, 25 Mar 2013 01:08:19 +0000 (01:08 +0000)]
xen-netfront: frags -> slots in xennet_get_responses

This function is in fact counting the ring slots required for responses.
Separate the concepts of ring slots and skb frags make the code clearer, as
now netfront and netback can have different MAX_SKB_FRAGS, slot and frag are
not mapped 1:1 any more.

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Reviewed-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoxen-netfront: remove unused variable `extra'
Wei Liu [Mon, 25 Mar 2013 01:08:17 +0000 (01:08 +0000)]
xen-netfront: remove unused variable `extra'

This variable is supposed to hold reference to the last extra_info in the
loop. However there is only type of extra info here and the loop to process
extra info is missing, so this variable is never used and causes confusion.

Remove it at the moment. We can add it back when necessary.

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Reviewed-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: fec: build fec.c and fec_ptp.c to one module
Frank Li [Sun, 24 Mar 2013 15:03:42 +0000 (15:03 +0000)]
net: fec: build fec.c and fec_ptp.c to one module

fec_ptp.ko can't run individually
rename fec.c to fec_main.c
Build fec.o and fec_ptp.o into one fec.ko
Remove unnessary EXPORT_SYMBOL in fec_ptp

Signed-off-by: Frank Li <Frank.Li@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoMerge branch 'master' of git://1984.lsi.us.es/nf-next
David S. Miller [Mon, 25 Mar 2013 16:11:44 +0000 (12:11 -0400)]
Merge branch 'master' of git://1984.lsi.us.es/nf-next

Pablo Neira Ayuso says:

====================
The following patchset contains Netfilter/IPVS updates for
your net-next tree, they are:

* Better performance in nfnetlink_queue by avoiding copy from the
  packet to netlink message, from Eric Dumazet.

* Remove unnecessary locking in the exit path of ebt_ulog, from Gao Feng.

* Use new function ipv6_iface_scope_id in nf_ct_ipv6, from Hannes Frederic Sowa.

* A couple of sparse fixes for IPVS, from Julian Anastasov.

* Use xor hashing in nfnetlink_queue, as suggested by Eric Dumazet, from
  myself.

* Allow to dump expectations per master conntrack via ctnetlink, from myself.

* A couple of cleanups to use PTR_RET in module init path, from Silviu-Mihai
  Popescu.

* Remove nf_conntrack module a bit faster if netns are in use, from
  Vladimir Davydov.

* Use checksum_partial in ip6t_NPT, from YOSHIFUJI Hideaki.

* Sparse fix for nf_conntrack, from Stephen Hemminger.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoMerge tag 'firewire-net-resource-mgt' of git://git.kernel.org/pub/scm/linux/kernel...
David S. Miller [Sun, 24 Mar 2013 21:31:34 +0000 (17:31 -0400)]
Merge tag 'firewire-net-resource-mgt' of git://git./linux/kernel/git/ieee1394/linux1394

firewire-net driver changes:
  - fix memory leak and kmap leak at shutdown
  - release IR DMA context already at ifdown rather than shutdown
    (many controllers have got only 4 of them, so let's not hold it
    longer than strictly necessary)
  - misc startup/shutdown changes which prepare for later addition
    of IPv6-over-1394 support

Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agobridge: avoid br_ifinfo_notify when nothing changed
Hong zhi guo [Sun, 24 Mar 2013 03:26:47 +0000 (03:26 +0000)]
bridge: avoid br_ifinfo_notify when nothing changed

When neither IFF_BRIDGE nor IFF_BRIDGE_PORT is set,
and afspec == NULL but  protinfo != NULL, we run into
"if (err == 0) br_ifinfo_notify(RTM_NEWLINK, p);" with
random value in ret.

Thanks to Sergei for pointing out the error in commit comments.

Signed-off-by: Hong Zhiguo <honkiko@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agodsa: add device tree bindings to register DSA switches
Florian Fainelli [Fri, 22 Mar 2013 10:50:50 +0000 (10:50 +0000)]
dsa: add device tree bindings to register DSA switches

This patch adds support for registering DSA switches using Device Tree
bindings. Note that we support programming the switch routing table even
though no in-tree user seems to require it. I tested this on Armada 370
with a Marvell 88E6172 (not supported by mainline yet).

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoipv6: implement RFC3168 5.3 (ecn protection) for ipv6 fragmentation handling
Hannes Frederic Sowa [Fri, 22 Mar 2013 08:24:44 +0000 (08:24 +0000)]
ipv6: implement RFC3168 5.3 (ecn protection) for ipv6 fragmentation handling

Hello!

After patch 1 got accepted to net-next I will also send a patch to
netfilter-devel to make the corresponding changes to the netfilter
reassembly logic.

Thanks,

  Hannes

-- >8 --
[PATCH 2/2] ipv6: implement RFC3168 5.3 (ecn protection) for ipv6 fragmentation handling

This patch also ensures that INET_ECN_CE is propagated if one fragment
had the codepoint set.

Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Jesper Dangaard Brouer <jbrouer@redhat.com>
Cc: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoinet: generalize ipv4-only RFC3168 5.3 ecn fragmentation handling for future use...
Hannes Frederic Sowa [Fri, 22 Mar 2013 08:24:37 +0000 (08:24 +0000)]
inet: generalize ipv4-only RFC3168 5.3 ecn fragmentation handling for future use by ipv6

This patch just moves some code arround to make the ip4_frag_ecn_table
and IPFRAG_ECN_* constants accessible from the other reassembly engines. I
also renamed ip4_frag_ecn_table to ip_frag_ecn_table.

Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Jesper Dangaard Brouer <jbrouer@redhat.com>
Cc: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoipv6: provide addr and netconf dump consistency info
Nicolas Dichtel [Fri, 22 Mar 2013 06:28:43 +0000 (06:28 +0000)]
ipv6: provide addr and netconf dump consistency info

This patch adds a dev_addr_genid for IPv6. The goal is to use it, combined with
dev_base_seq to check if a change occurs during a netlink dump.
If a change is detected, the flag NLM_F_DUMP_INTR is set in the first message
after the dump was interrupted.

Note that only dump of unicast addresses is checked (multicast and anycast are
not checked).

Reported-by: Junwei Zhang <junwei.zhang@6wind.com>
Reported-by: Hongjun Li <hongjun.li@6wind.com>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoipv4: provide addr and netconf dump consistency info
Nicolas Dichtel [Fri, 22 Mar 2013 06:28:42 +0000 (06:28 +0000)]
ipv4: provide addr and netconf dump consistency info

This patch takes benefit of dev_addr_genid and dev_base_seq to check if a change
occurs during a netlink dump. If a change is detected, the flag NLM_F_DUMP_INTR
is set in the first message after the dump was interrupted.

Note that seq and prev_seq must be reset between each family in rtnl_dump_all()
because they are specific to each family.

Reported-by: Junwei Zhang <junwei.zhang@6wind.com>
Reported-by: Hongjun Li <hongjun.li@6wind.com>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agomv643xx_eth: defer probing if Marvell Orion MDIO driver not loaded
Simon Baatz [Sun, 24 Mar 2013 10:34:00 +0000 (10:34 +0000)]
mv643xx_eth: defer probing if Marvell Orion MDIO driver not loaded

When both the Marvell MV643XX ethernet driver and the Orion MDIO driver
are compiled as modules, the ethernet driver may be probed before the
MDIO driver.  Let mv643xx_eth_probe() return EPROBE_DEFER in this case,
i.e. when it cannot find the PHY.

Signed-off-by: Simon Baatz <gmbnomis@gmail.com>
Acked-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: mvmdio: define module alias for platform device
Simon Baatz [Sun, 24 Mar 2013 10:33:59 +0000 (10:33 +0000)]
net: mvmdio: define module alias for platform device

The mvmdio driver can be instantiated using device tree or as a classic
platform device.  In order to load the driver automatically by udev in
the latter case, the driver needs to define a module alias for the
platform device.

Signed-off-by: Simon Baatz <gmbnomis@gmail.com>
Acked-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agol2tp: calling the ref() instead of deref()
Dan Carpenter [Fri, 22 Mar 2013 18:33:15 +0000 (21:33 +0300)]
l2tp: calling the ref() instead of deref()

This is a cut and paste typo.  We call ->ref() a second time instead
of ->deref().

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoioat/dca: Update DCA BIOS workarounds to use TAINT_FIRMWARE_WORKAROUND
Alexander Duyck [Fri, 22 Mar 2013 06:01:59 +0000 (06:01 +0000)]
ioat/dca: Update DCA BIOS workarounds to use TAINT_FIRMWARE_WORKAROUND

This patch is meant to be a follow-up for a patch originally submitted under
the title "ioat: Do not enable DCA if tag map is invalid".  It was brought to
my attention that the preferred approach for BIOS workarounds is to set the
taint flag for TAINT_FIRMWARE_WORKAROUND for systems that require BIOS
workarounds.

This change makes it so that the DCA workarounds for broken BIOSes will now
use WARN_TAINT_ONCE(1, TAINT_FIRMWARE_WORKAROUND, ...) instead of just
printing a message via dev_err.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
David S. Miller [Fri, 22 Mar 2013 16:53:09 +0000 (12:53 -0400)]
Merge git://git./linux/kernel/git/davem/net

Pull to get the thermal netlink multicast group name fix, otherwise
the assertion added in net-next to netlink to detect that kind of bug
makes systems unbootable for some folks.

Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agodecnet: Move rtm_dn_policy to dn_route to make it available if !CONFIG_DECNET_ROUTER
Thomas Graf [Fri, 22 Mar 2013 16:50:29 +0000 (16:50 +0000)]
decnet: Move rtm_dn_policy to dn_route to make it available if !CONFIG_DECNET_ROUTER

Otherwise build fails with CONFIG_DECNET && !CONFIG_DECNET_ROUTER

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoqlcnic: Bump up the version to 5.1.38
Shahed Shaikh [Fri, 22 Mar 2013 05:57:57 +0000 (05:57 +0000)]
qlcnic: Bump up the version to 5.1.38

Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoqlcnic: Clear link status when interface is down
Shahed Shaikh [Fri, 22 Mar 2013 05:57:56 +0000 (05:57 +0000)]
qlcnic: Clear link status when interface is down

o When interface is down, mailbox command to get context statistics
  fails. So restrict driver from issuing get statistics command when
  interface is down.

Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoqlcnic: change mdelay to msleep
Shahed Shaikh [Fri, 22 Mar 2013 05:57:55 +0000 (05:57 +0000)]
qlcnic: change mdelay to msleep

Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoqlcnic: Log warning message for 83xx adapter in MSI mode.
Himanshu Madhani [Fri, 22 Mar 2013 05:57:54 +0000 (05:57 +0000)]
qlcnic: Log warning message for 83xx adapter in MSI mode.

o 83xx adapter does not support MSI interrupts, display
  warning whenever module parameter is used to load driver
  in MSI mode.

Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoqlcnic: Fix configure mailbox interrupt command for 83xx adapter
Manish chopra [Fri, 22 Mar 2013 05:57:53 +0000 (05:57 +0000)]
qlcnic: Fix configure mailbox interrupt command for 83xx adapter

o Due to improper data type of variable "type", interrupt resources were
  not getting deleted in hardware which was causing resource exhaustion
  in hardware. Hence mailbox command fails after some iterations of context change.

Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agotcp: preserve ACK clocking in TSO
Eric Dumazet [Thu, 21 Mar 2013 17:36:09 +0000 (17:36 +0000)]
tcp: preserve ACK clocking in TSO

A long standing problem with TSO is the fact that tcp_tso_should_defer()
rearms the deferred timer, while it should not.

Current code leads to following bad bursty behavior :

20:11:24.484333 IP A > B: . 297161:316921(19760) ack 1 win 119
20:11:24.484337 IP B > A: . ack 263721 win 1117
20:11:24.485086 IP B > A: . ack 265241 win 1117
20:11:24.485925 IP B > A: . ack 266761 win 1117
20:11:24.486759 IP B > A: . ack 268281 win 1117
20:11:24.487594 IP B > A: . ack 269801 win 1117
20:11:24.488430 IP B > A: . ack 271321 win 1117
20:11:24.489267 IP B > A: . ack 272841 win 1117
20:11:24.490104 IP B > A: . ack 274361 win 1117
20:11:24.490939 IP B > A: . ack 275881 win 1117
20:11:24.491775 IP B > A: . ack 277401 win 1117
20:11:24.491784 IP A > B: . 316921:332881(15960) ack 1 win 119
20:11:24.492620 IP B > A: . ack 278921 win 1117
20:11:24.493448 IP B > A: . ack 280441 win 1117
20:11:24.494286 IP B > A: . ack 281961 win 1117
20:11:24.495122 IP B > A: . ack 283481 win 1117
20:11:24.495958 IP B > A: . ack 285001 win 1117
20:11:24.496791 IP B > A: . ack 286521 win 1117
20:11:24.497628 IP B > A: . ack 288041 win 1117
20:11:24.498459 IP B > A: . ack 289561 win 1117
20:11:24.499296 IP B > A: . ack 291081 win 1117
20:11:24.500133 IP B > A: . ack 292601 win 1117
20:11:24.500970 IP B > A: . ack 294121 win 1117
20:11:24.501388 IP B > A: . ack 295641 win 1117
20:11:24.501398 IP A > B: . 332881:351881(19000) ack 1 win 119

While the expected behavior is more like :

20:19:49.259620 IP A > B: . 197601:202161(4560) ack 1 win 119
20:19:49.260446 IP B > A: . ack 154281 win 1212
20:19:49.261282 IP B > A: . ack 155801 win 1212
20:19:49.262125 IP B > A: . ack 157321 win 1212
20:19:49.262136 IP A > B: . 202161:206721(4560) ack 1 win 119
20:19:49.262958 IP B > A: . ack 158841 win 1212
20:19:49.263795 IP B > A: . ack 160361 win 1212
20:19:49.264628 IP B > A: . ack 161881 win 1212
20:19:49.264637 IP A > B: . 206721:211281(4560) ack 1 win 119
20:19:49.265465 IP B > A: . ack 163401 win 1212
20:19:49.265886 IP B > A: . ack 164921 win 1212
20:19:49.266722 IP B > A: . ack 166441 win 1212
20:19:49.266732 IP A > B: . 211281:215841(4560) ack 1 win 119
20:19:49.267559 IP B > A: . ack 167961 win 1212
20:19:49.268394 IP B > A: . ack 169481 win 1212
20:19:49.269232 IP B > A: . ack 171001 win 1212
20:19:49.269241 IP A > B: . 215841:221161(5320) ack 1 win 119

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Yuchung Cheng <ycheng@google.com>
Cc: Van Jacobson <vanj@google.com>
Cc: Neal Cardwell <ncardwell@google.com>
Cc: Nandita Dukkipati <nanditad@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agortnetlink: Remove passing of attributes into rtnl_doit functions
Thomas Graf [Thu, 21 Mar 2013 07:45:29 +0000 (07:45 +0000)]
rtnetlink: Remove passing of attributes into rtnl_doit functions

With decnet converted, we can finally get rid of rta_buf and its
computations around it. It also gets rid of the minimal header
length verification since all message handlers do that explicitly
anyway.

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agodecnet: Parse netlink attributes on our own
Thomas Graf [Thu, 21 Mar 2013 07:45:28 +0000 (07:45 +0000)]
decnet: Parse netlink attributes on our own

decnet is the only subsystem left that is relying on the global
netlink attribute buffer rta_buf. It's horrible design and we
want to get rid of it.

This converts all of decnet to do implicit attribute parsing. It
also gets rid of the error prone struct dn_kern_rta.

Yes, the fib_magic() stuff is not pretty.

It's compiled tested but I need someone with appropriate hardware
to test the patch since I don't have access to it.

Cc: linux-decnet-user@lists.sourceforge.net
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoMerge branch 'mv643xx_eth'
David S. Miller [Fri, 22 Mar 2013 14:25:25 +0000 (10:25 -0400)]
Merge branch 'mv643xx_eth'

Florian Fainelli says:

====================
This patch converts the mv643xx_eth driver to use the mvmdio MDIO bus driver
instead of rolling its own implementation. As a result, all users of this
mv643xx_eth driver are converted to register an "orion-mdio" platform_device.
The mvmdio driver is also updated to support an interrupt line which reports
SMI error/completion, and to allow traditionnal platform device registration
instead of just device tree.

David, I think it makes sense for you to merge all of this, since we do
not want the architecture files to be desynchronized from the mv643xx_eth to
avoid runtime breakage. The potential for merge conflicts should be very small.
====================

Tested-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested-by: Jason Cooper <jason@lakedaemon.net>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agomv643xx_eth: convert to use the Marvell Orion MDIO driver
Florian Fainelli [Fri, 22 Mar 2013 03:39:28 +0000 (03:39 +0000)]
mv643xx_eth: convert to use the Marvell Orion MDIO driver

This patch converts the Marvell MV643XX ethernet driver to use the
Marvell Orion MDIO driver. As a result, PowerPC and ARM platforms
registering the Marvell MV643XX ethernet driver are also updated to
register a Marvell Orion MDIO driver. This driver voluntarily overlaps
with the Marvell Ethernet shared registers because it will use a subset
of this shared register (shared_base + 0x4 to shared_base + 0x84). The
Ethernet driver is also updated to look up for a PHY device using the
Orion MDIO bus driver.

For ARM and PowerPC we register a single instance of the "mvmdio" driver
in the system like it used to be done with the use of the "shared_smi"
platform_data cookie on ARM.

Note that it is safe to register the mvmdio driver only for the "ge00"
instance of the driver because this "ge00" interface is guaranteed to
always be explicitely registered by consumers of
arch/arm/plat-orion/common.c and other instances (ge01, ge10 and ge11)
were all pointing their shared_smi to ge00. For PowerPC the in-tree
Device Tree Source files mention only one MV643XX ethernet MAC instance
so the MDIO bus driver is registered only when id == 0.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: mvmdio: enhance driver to support SMI error/done interrupts
Florian Fainelli [Fri, 22 Mar 2013 03:39:27 +0000 (03:39 +0000)]
net: mvmdio: enhance driver to support SMI error/done interrupts

This patch enhances the "mvmdio" to support a SMI error/done interrupt
line which can be used along with a wait queue instead of doing
busy-waiting on the registers. This is a feature which is available in
the mv643xx_eth SMI code and thus reduces again the gap between the two.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: mvmdio: rename base register cookie from smireg to regs
Florian Fainelli [Fri, 22 Mar 2013 03:39:26 +0000 (03:39 +0000)]
net: mvmdio: rename base register cookie from smireg to regs

This patch renames the base register cookie in the mvmdio drive from
"smireg" to "regs" since a subsequent patch is going to use an ioremap()
cookie whose size is larger than a single register of 4 bytes. No
functionnal code change introduced.

Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: mvmdio: allow platform device style registration
Florian Fainelli [Fri, 22 Mar 2013 03:39:25 +0000 (03:39 +0000)]
net: mvmdio: allow platform device style registration

This patch changes the mvmdio driver not to use device tree
helper functions such as of_mdiobus_register() and of_iomap() so we can
instantiate this driver using a classic platform_device approach. Use
the device manager helper to ioremap() the base register cookie so we
get automatic freeing upon error and removal. This change is harmless
for Device Tree platforms because they will get the driver be registered
the same way as it was before.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agos6gmac: fix error return code in s6gmac_probe()
Wei Yongjun [Fri, 22 Mar 2013 03:17:47 +0000 (03:17 +0000)]
s6gmac: fix error return code in s6gmac_probe()

Fix to return a negative error code from the error handling
case instead of 0, as returned elsewhere in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoudp: increase inner ip header ID during segmentation
Cong Wang [Fri, 22 Mar 2013 00:31:32 +0000 (00:31 +0000)]
udp: increase inner ip header ID during segmentation

Similar to GRE tunnel, UDP tunnel should take care of IP header ID
too.

Cc: Pravin B Shelar <pshelar@nicira.com>
Cc: Eric Dumazet <edumazet@google.com>
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 agoip_gre: increase inner ip header ID during segmentation
Cong Wang [Fri, 22 Mar 2013 00:31:31 +0000 (00:31 +0000)]
ip_gre: increase inner ip header ID during segmentation

According to the previous discussion [1] on netdev list, DaveM insists
we should increase the IP header ID for each segmented packets.
This patch fixes it.

Cc: Pravin B Shelar <pshelar@nicira.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
1. http://marc.info/?t=136384172700001&r=1&w=2
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agobnx2x: increase inner ip id during encapsulated tso
Dmitry Kravkov [Thu, 21 Mar 2013 15:38:24 +0000 (15:38 +0000)]
bnx2x: increase inner ip id during encapsulated tso

57712/578xx devices during handling of encapsulated TSO can
properly increase ip id for only one ip header.
The patch selects inner header to be increased.

Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
CC: Eilon Greenstein <eilong@broadcom.com>
CC: Ariel Elior <ariele@broadcom.com>
CC: Maciej Zenczykowski <maze@google.com>
CC: Jesse Gross <jesse@nicira.com>
Reported-by: Eric Dumazet <edumazet@google.com>
Tested-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agovirtio: remove obsolete virtqueue_get_queue_index()
Rusty Russell [Thu, 21 Mar 2013 14:17:34 +0000 (14:17 +0000)]
virtio: remove obsolete virtqueue_get_queue_index()

You can access it directly now, since 3.8: v3.7-rc1-13-g06ca287
'virtio: move queue_index and num_free fields into core struct
virtqueue.'

Cc: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: Fix p3_gelic_net sparse warnings
Geoff Levand [Fri, 22 Mar 2013 00:06:59 +0000 (17:06 -0700)]
net: Fix p3_gelic_net sparse warnings

Rearrange routines to avoid local declarations and remove
unnecessary inline tags.  No functional changes.

Fixes sparse warnings like these:

  ps3_gelic_net.c: error: marked inline, but without a definition

Signed-off-by: Geoff Levand <geoff@infradead.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoappletalk: remove "config IPDDP_DECAP"
Paul Bolle [Thu, 21 Mar 2013 23:35:24 +0000 (00:35 +0100)]
appletalk: remove "config IPDDP_DECAP"

The Kconfig symbol IPDDP_DECAP got added in v2.1.75. It has never been
used. Its entry can safely be removed.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agosh_eth: fix unused variable warning
Sergei Shtylyov [Thu, 21 Mar 2013 22:59:00 +0000 (01:59 +0300)]
sh_eth: fix unused variable warning

Commit d5e07e69218fd9aa21d6c8c5ccc629d92bdb9b0f (sh_eth: use managed device API)
has caused this warning (due to my overlook):

drivers/net/ethernet/renesas/sh_eth.c: In function `sh_eth_drv_remove':
drivers/net/ethernet/renesas/sh_eth.c:2482:25: warning: unused variable `mdp'
[-Wunused-variable]

Kill the darn variable now...

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agofilter: bpf_jit_comp: refactor and unify BPF JIT image dump output
Daniel Borkmann [Thu, 21 Mar 2013 21:22:03 +0000 (22:22 +0100)]
filter: bpf_jit_comp: refactor and unify BPF JIT image dump output

If bpf_jit_enable > 1, then we dump the emitted JIT compiled image
after creation. Currently, only SPARC and PowerPC has similar output
as in the reference implementation on x86_64. Make a small helper
function in order to reduce duplicated code and make the dump output
uniform across architectures x86_64, SPARC, PPC, ARM (e.g. on ARM
flen, pass and proglen are currently not shown, but would be
interesting to know as well), also for future BPF JIT implementations
on other archs.

Cc: Mircea Gherzan <mgherzan@gmail.com>
Cc: Matt Evans <matt@ozlabs.org>
Cc: Eric Dumazet <eric.dumazet@google.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agosh_eth: use managed device API
Sergei Shtylyov [Thu, 21 Mar 2013 10:41:11 +0000 (10:41 +0000)]
sh_eth: use managed device API

Switch the driver to the managed device API by replacing ioremap() calls with
devm_ioremap_resource() (that will also result in calling request_mem_region()
which the driver forgot to do until now) and k[mz]alloc() with devm_kzalloc() --
this permits to simplify driver's probe()/remove() method cleanup. We can now
remove the ioremap() error messages since the error messages are printed by
 devm_ioremap_resource() itself. We can also remove the 'bitbang' field from
'struct sh_eth_private' as we don't need it anymore in order to free the memory
behind it...

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agosh_eth: kill unneeded typecast in sh_eth_drv_probe()
Sergei Shtylyov [Thu, 21 Mar 2013 10:39:22 +0000 (10:39 +0000)]
sh_eth: kill unneeded typecast in sh_eth_drv_probe()

sh_eth_drv_probe() does cast from 'void *' when assigning to the 'pd'  variable
which is automatic anyway. Turn the assignment into initializer, while removing
the cast...

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agosh_eth: use PIR_* bits
Sergei Shtylyov [Thu, 21 Mar 2013 10:37:54 +0000 (10:37 +0000)]
sh_eth: use PIR_* bits

sh_mdio_init() uses the bare numbers instead of the PHY interface bits, despite
these are declared in sh_eth.h as 'enum PIR_BIT'...

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: fix psock_fanout on sparc64
Willem de Bruijn [Thu, 21 Mar 2013 18:10:03 +0000 (14:10 -0400)]
net: fix psock_fanout on sparc64

The packetsocket fanout test uses a packet ring. Use TPACKET_V2
instead of TPACKET_V1 to work around a known 32/64 bit issue in
the older ring that manifests on sparc64.

Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonetlink: Diag core and basic socket info dumping (v2)
Andrey Vagin [Thu, 21 Mar 2013 16:33:48 +0000 (20:33 +0400)]
netlink: Diag core and basic socket info dumping (v2)

The netlink_diag can be built as a module, just like it's done in
unix sockets.

The core dumping message carries the basic info about netlink sockets:
family, type and protocol, portis, dst_group, dst_portid, state.

Groups can be received as an optional parameter NETLINK_DIAG_GROUPS.

Netlink sockets cab be filtered by protocols.

The socket inode number and cookie is reserved for future per-socket info
retrieving. The per-protocol filtering is also reserved for future by
requiring the sdiag_protocol to be zero.

The file /proc/net/netlink doesn't provide enough information for
dumping netlink sockets. It doesn't provide dst_group, dst_portid,
groups above 32.

v2: fix NETLINK_DIAG_MAX. Now it's equal to the last constant.

Acked-by: Pavel Emelyanov <xemul@parallels.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Pablo Neira Ayuso <pablo@netfilter.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Gao feng <gaofeng@cn.fujitsu.com>
Cc: Thomas Graf <tgraf@suug.ch>
Signed-off-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: prepare netlink code for netlink diag
Andrey Vagin [Thu, 21 Mar 2013 16:33:47 +0000 (20:33 +0400)]
net: prepare netlink code for netlink diag

Move a few declarations in a header.

Acked-by: Pavel Emelyanov <xemul@parallels.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Pablo Neira Ayuso <pablo@netfilter.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Gao feng <gaofeng@cn.fujitsu.com>
Cc: Thomas Graf <tgraf@suug.ch>
Signed-off-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: fix *_DIAG_MAX constants
Andrey Vagin [Thu, 21 Mar 2013 16:33:46 +0000 (20:33 +0400)]
net: fix *_DIAG_MAX constants

Follow the common pattern and define *_DIAG_MAX like:

        [...]
        __XXX_DIAG_MAX,
};

Because everyone is used to do:

        struct nlattr *attrs[XXX_DIAG_MAX+1];

        nla_parse([...], XXX_DIAG_MAX, [...]

Reported-by: Thomas Graf <tgraf@suug.ch>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Pavel Emelyanov <xemul@parallels.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoMerge branch 'mlx4'
David S. Miller [Thu, 21 Mar 2013 16:05:32 +0000 (12:05 -0400)]
Merge branch 'mlx4'

Or Gerlitz says:

====================
Here's a batch of mlx4 driver fixes for 3.9, mostly SRIOV/Flow-steering
related. Series done against the net tree as of commit 5a3da1f
"inet: limit length of fragment queue hash table bucket lists
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet/mlx4_core: Disallow releasing VF QPs which have steering rules
Hadar Hen Zion [Thu, 21 Mar 2013 05:55:55 +0000 (05:55 +0000)]
net/mlx4_core: Disallow releasing VF QPs which have steering rules

VF QPs must not be released when they have steering rules attached to them.

For that end, introduce a reference count field to the QP object in the
SRIOV resource tracker which is incremented/decremented when steering rules
are attached/detached to it. QPs can be released by VF only when their
ref count is zero.

Signed-off-by: Hadar Hen Zion <hadarh@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet/mlx4_core: Always use 64 bit resource ID when doing lookup
Hadar Hen Zion [Thu, 21 Mar 2013 05:55:54 +0000 (05:55 +0000)]
net/mlx4_core: Always use 64 bit resource ID when doing lookup

One of the resource tracker code paths was wrongly using int and not u64
for resource tracking IDs, fix it.

Signed-off-by: Hadar Hen Zion <hadarh@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet/mlx4_en: Remove ethtool flow steering rules before releasing QPs
Hadar Hen Zion [Thu, 21 Mar 2013 05:55:53 +0000 (05:55 +0000)]
net/mlx4_en: Remove ethtool flow steering rules before releasing QPs

Fix the ethtool flow steering rules cleanup to be carried out before
releasing the RX QPs.

Signed-off-by: Hadar Hen Zion <hadarh@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet/mlx4_core: Fix wrong order of flow steering resources removal
Hadar Hen Zion [Thu, 21 Mar 2013 05:55:52 +0000 (05:55 +0000)]
net/mlx4_core: Fix wrong order of flow steering resources removal

On the resource tracker cleanup flow, the DMFS rules must be deleted before we
destroy the QPs, else the HW may attempt doing packet steering to non existent QPs.

Signed-off-by: Hadar Hen Zion <hadarh@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet/mlx4_core: Fix wrong mask applied on EQ numbers in the wrapper
Moshe Lazer [Thu, 21 Mar 2013 05:55:51 +0000 (05:55 +0000)]
net/mlx4_core: Fix wrong mask applied on EQ numbers in the wrapper

Currently the  mask is wrongly set in the MAP_EQ wrapper, fix that.
Without the fix any EQ number above 511 is mapped to one below 511.

Signed-off-by: Moshe Lazer <moshel@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agogianfar: Remove superfluous kernel_dropped local counter
Claudiu Manoil [Thu, 21 Mar 2013 03:12:15 +0000 (03:12 +0000)]
gianfar: Remove superfluous kernel_dropped local counter

The GRO_DROP return code is handled by the core network layer.
The current kernel approach is to factorize this kind of statistics into
the upper layers, instead of having all the drivers maintaining them.

Signed-off-by: Claudiu Manoil <claudiu.manoil@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agogianfar: Cleanup dead code and minor formatting
Claudiu Manoil [Thu, 21 Mar 2013 03:12:14 +0000 (03:12 +0000)]
gianfar: Cleanup dead code and minor formatting

Signed-off-by: Claudiu Manoil <claudiu.manoil@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agogianfar: Remove 'maybe-uninitialized' compile warning
Claudiu Manoil [Thu, 21 Mar 2013 03:12:13 +0000 (03:12 +0000)]
gianfar: Remove 'maybe-uninitialized' compile warning

Warning message:
warning: 'budget_per_q' may be used uninitialized in this function

budget_per_q won't be used uninitialized since the only time
it doesn't get initialized is when entering gfar_poll with
num_act_queues == 0, meaning rstat_rxf == 0, in which case
budget_per_q is not utilized (as it has no meaning).
Inititalize budget_per_q to 0 though to suppress this compile
warning.

Signed-off-by: Claudiu Manoil <claudiu.manoil@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: ethernet: cpsw: fix erroneous condition in error check
Lothar Waßmann [Thu, 21 Mar 2013 02:20:11 +0000 (02:20 +0000)]
net: ethernet: cpsw: fix erroneous condition in error check

The error check in cpsw_probe_dt() has an '&&' where an '||' is
meant to be. This causes a NULL pointer dereference when incomplet DT
data is passed to the driver ('phy_id' property for cpsw_emac1
missing).

Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: sh-eth: Use pr_err instead of printk
Nobuhiro Iwamatsu [Wed, 20 Mar 2013 22:46:55 +0000 (22:46 +0000)]
net: sh-eth: Use pr_err instead of printk

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agolantiq_etop: use free_netdev(netdev) instead of kfree()
Wei Yongjun [Wed, 20 Mar 2013 21:31:42 +0000 (21:31 +0000)]
lantiq_etop: use free_netdev(netdev) instead of kfree()

Freeing netdev without free_netdev() leads to net, tx leaks.
And it may lead to dereferencing freed pointer.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agonet: remove redundant ifdef CONFIG_CGROUPS
Zefan Li [Wed, 20 Mar 2013 16:54:51 +0000 (16:54 +0000)]
net: remove redundant ifdef CONFIG_CGROUPS

The cgroup code has been surrounded by ifdef CONFIG_NET_CLS_CGROUP
and CONFIG_NETPRIO_CGROUP.

Signed-off-by: Li Zefan <lizefan@huawei.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agotcp: implement RFC5682 F-RTO
Yuchung Cheng [Wed, 20 Mar 2013 13:33:00 +0000 (13:33 +0000)]
tcp: implement RFC5682 F-RTO

This patch implements F-RTO (foward RTO recovery):

When the first retransmission after timeout is acknowledged, F-RTO
sends new data instead of old data. If the next ACK acknowledges
some never-retransmitted data, then the timeout was spurious and the
congestion state is reverted.  Otherwise if the next ACK selectively
acknowledges the new data, then the timeout was genuine and the
loss recovery continues. This idea applies to recurring timeouts
as well. While F-RTO sends different data during timeout recovery,
it does not (and should not) change the congestion control.

The implementaion follows the three steps of SACK enhanced algorithm
(section 3) in RFC5682. Step 1 is in tcp_enter_loss(). Step 2 and
3 are in tcp_process_loss().  The basic version is not supported
because SACK enhanced version also works for non-SACK connections.

The new implementation is functionally in parity with the old F-RTO
implementation except the one case where it increases undo events:
In addition to the RFC algorithm, a spurious timeout may be detected
without sending data in step 2, as long as the SACK confirms not
all the original data are dropped. When this happens, the sender
will undo the cwnd and perhaps enter fast recovery instead. This
additional check increases the F-RTO undo events by 5x compared
to the prior implementation on Google Web servers, since the sender
often does not have new data to send for HTTP.

Note F-RTO may detect spurious timeout before Eifel with timestamps
does so.

Signed-off-by: Yuchung Cheng <ycheng@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agotcp: refactor CA_Loss state processing
Yuchung Cheng [Wed, 20 Mar 2013 13:32:59 +0000 (13:32 +0000)]
tcp: refactor CA_Loss state processing

Consolidate all of TCP CA_Loss state processing in
tcp_fastretrans_alert() into a new function called tcp_process_loss().
This is to prepare the new F-RTO implementation in the next patch.

Signed-off-by: Yuchung Cheng <ycheng@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agotcp: refactor F-RTO
Yuchung Cheng [Wed, 20 Mar 2013 13:32:58 +0000 (13:32 +0000)]
tcp: refactor F-RTO

The patch series refactor the F-RTO feature (RFC4138/5682).

This is to simplify the loss recovery processing. Existing F-RTO
was developed during the experimental stage (RFC4138) and has
many experimental features.  It takes a separate code path from
the traditional timeout processing by overloading CA_Disorder
instead of using CA_Loss state. This complicates CA_Disorder state
handling because it's also used for handling dubious ACKs and undos.
While the algorithm in the RFC does not change the congestion control,
the implementation intercepts congestion control in various places
(e.g., frto_cwnd in tcp_ack()).

The new code implements newer F-RTO RFC5682 using CA_Loss processing
path.  F-RTO becomes a small extension in the timeout processing
and interfaces with congestion control and Eifel undo modules.
It lets congestion control (module) determines how many to send
independently.  F-RTO only chooses what to send in order to detect
spurious retranmission. If timeout is found spurious it invokes
existing Eifel undo algorithms like DSACK or TCP timestamp based
detection.

The first patch removes all F-RTO code except the sysctl_tcp_frto is
left for the new implementation.  Since CA_EVENT_FRTO is removed, TCP
westwood now computes ssthresh on regular timeout CA_EVENT_LOSS event.

Signed-off-by: Yuchung Cheng <ycheng@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agofilter: add minimal BPF JIT image disassembler
Daniel Borkmann [Wed, 20 Mar 2013 12:11:47 +0000 (12:11 +0000)]
filter: add minimal BPF JIT image disassembler

This is a minimal stand-alone user space helper, that allows for debugging or
verification of emitted BPF JIT images. This is in particular useful for
emitted opcode debugging, since minor bugs in the JIT compiler can be fatal.
The disassembler is architecture generic and uses libopcodes and libbfd.

How to get to the disassembly, example:

  1) `echo 2 > /proc/sys/net/core/bpf_jit_enable`
  2) Load a BPF filter (e.g. `tcpdump -p -n -s 0 -i eth1 host 192.168.20.0/24`)
  3) Run e.g. `bpf_jit_disasm -o` to disassemble the most recent JIT code output

`bpf_jit_disasm -o` will display the related opcodes to a particular instruction
as well. Example for x86_64:

$ ./bpf_jit_disasm
94 bytes emitted from JIT compiler (pass:3, flen:9)
ffffffffa0356000 + <x>:
   0: push   %rbp
   1: mov    %rsp,%rbp
   4: sub    $0x60,%rsp
   8: mov    %rbx,-0x8(%rbp)
   c: mov    0x68(%rdi),%r9d
  10: sub    0x6c(%rdi),%r9d
  14: mov    0xe0(%rdi),%r8
  1b: mov    $0xc,%esi
  20: callq  0xffffffffe0d01b71
  25: cmp    $0x86dd,%eax
  2a: jne    0x000000000000003d
  2c: mov    $0x14,%esi
  31: callq  0xffffffffe0d01b8d
  36: cmp    $0x6,%eax
[...]
  5c: leaveq
  5d: retq

$ ./bpf_jit_disasm -o
94 bytes emitted from JIT compiler (pass:3, flen:9)
ffffffffa0356000 + <x>:
   0: push   %rbp
55
   1: mov    %rsp,%rbp
48 89 e5
   4: sub    $0x60,%rsp
48 83 ec 60
   8: mov    %rbx,-0x8(%rbp)
48 89 5d f8
   c: mov    0x68(%rdi),%r9d
44 8b 4f 68
  10: sub    0x6c(%rdi),%r9d
44 2b 4f 6c
[...]
  5c: leaveq
c9
  5d: retq
c3

Signed-off-by: Daniel Borkmann <dborkman@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/linville...
David S. Miller [Thu, 21 Mar 2013 15:16:35 +0000 (11:16 -0400)]
Merge branch 'for-davem' of git://git./linux/kernel/git/linville/wireless-next into wireless

John W. Linville says:

====================
This is a big pull request for new features intended for the 3.10
stream...

Regarding mac80211, Johannes says:

"First, I merged mac80211/master to avoid some conflicts. This brings in
a bunch of fixes you're already familiar with. For real -next material,
I have a whole bunch of minstrel work, minstrel_ht from Felix and legacy
minstrel from Thomas (Huehn). The other Thomas (Pedersen) did a number
of changes in mesh to allow userspace peering management even when the
mesh isn't secured. Stanislaw changes suspend/resume to always
disconnect the networks. This is typically already done by
network-manager so won't make a huge difference for most users, but
fixes a number problems, particularly with USB drivers that can easily
disconnect while suspended. Ilan has a small change to allow mac80211
drivers to differentiate remain-on-channel reasons, and Jouni extends
nl80211 to allow fast roaming with full-MAC devices. I have a fairly
large number of patches as well, many of them fairly simple cleanups,
but also allowing split wiphy dumps and adding back the full wiphy
information in nl80211, station entry change checking and more VHT work
including VHT capability overrides (mostly for testing purposes)."

And for iwlwifi, Johannes says:

"Here, I also merged iwlwifi-fixes to avoid conflicts, and otherwise have
various cleanups and improvements on the MVM driver, along with a few
throughout the driver. Other than Bluetooth Coexistence from Emmanuel
there's no over-arching theme, so listing them would pretty much
reproduce the shortlog."

Regarding NFC, Samuel says:

"The 2 features we have with this one are:

- An LLCP Service Name Lookup (SNL) netlink interface for querying LLCP
  service availability from user space.
  Along the way, Thierry also improved the existing SNL interface for
  aggregating SNL responses.

- An initial LLCP socket options implementation, for setting the Receive
  Window (RW) and the Maximum Information Unit Extension (MIUX) per socket.
  This is need for the LLCP validation tests.

We also have a microread MEI build failure here: I am not sending this one to
3.9 because the MEI bus code is not there yet, so it won't break for anyone
else than me."

And for ath6kl, Kalle says:

"I added tracing support to ath6kl, along with a new Kconfig option. Now
there's also a workaround to reset USB devices when the firmware upload
fails, this happened when host was warm rebooted. There are also quite a
few small fixes or cleanup."

On top of all that, there is the usual bundle of driver updates
with new features, new hardware support and the like mixed-in.
The ath9k, b43, brcmfmac, mwifiex, rt2800, and wil6210 drivers
are all well-represented, and a few other drivers are hit as well.
I also pulled-in the wireless fixes tree in order to resolve some
pending merge conflicts.

Please let me know if there are problems!
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agothermal: shorten too long mcast group name
Masatake YAMATO [Tue, 19 Mar 2013 01:47:28 +0000 (01:47 +0000)]
thermal: shorten too long mcast group name

The original name is too long.

Signed-off-by: Masatake YAMATO <yamato@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
11 years agoMerge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...
John W. Linville [Wed, 20 Mar 2013 19:24:57 +0000 (15:24 -0400)]
Merge branch 'master' of git://git./linux/kernel/git/linville/wireless-next into for-davem

11 years agochelsio: use netdev_alloc_skb_ip_align
stephen hemminger [Wed, 20 Mar 2013 09:02:41 +0000 (09:02 +0000)]
chelsio: use netdev_alloc_skb_ip_align

Use netdev_alloc_sk_ip_align in the case where packet is copied.
This handles case where NET_IP_ALIGN == 0 as well as adding required header
padding.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>