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209658 commits

Author SHA1 Message Date
Changli Gao
1003489e06 net: rps: fix the wrong network header pointer
__skb_get_rxhash() was broken after the commit:

 commit bfb564e739
 Author: Krishna Kumar <krkumar2@in.ibm.com>
 Date:   Wed Aug 4 06:15:52 2010 +0000

 core: Factor out flow calculation from get_rps_cpu

Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-21 22:54:49 -07:00
Grégoire Baron
eb4d406545 net/sched: add ACT_CSUM action to update packets checksums
net/sched: add ACT_CSUM action to update packets checksums

ACT_CSUM can be called just after ACT_PEDIT in order to re-compute some
altered checksums in IPv4 and IPv6 packets. The following checksums are
supported by this patch:
 - IPv4: IPv4 header, ICMP, IGMP, TCP, UDP & UDPLite
 - IPv6: ICMPv6, TCP, UDP & UDPLite
It's possible to request in the same action to update different kind of
checksums, if the packets flow mix TCP, UDP and UDPLite, ...

An example of usage is done in the associated iproute2 patch.

Version 3 changes:
 - remove useless goto instructions
 - improve IPv6 hop options decoding

Version 2 changes:
 - coding style correction
 - remove useless arguments of some functions
 - use stack in tcf_csum_dump()
 - add tcf_csum_skb_nextlayer() to factor code

Signed-off-by: Gregoire Baron <baronchon@n7mm.org>
Acked-by: jamal <hadi@cyberus.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-20 01:42:59 -07:00
Eric Dumazet
49e8ab03eb net: build_ehash_secret() and rt_bind_peer() cleanups
Now cmpxchg() is available on all arches, we can use it in
build_ehash_secret() and rt_bind_peer() instead of using spinlocks.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
CC: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-20 00:50:16 -07:00
Dan Carpenter
4da79504b2 qlge: pull NULL check ahead of dereference
There was a dereference before NULL check issue introduced in 1e213303d
"qlge: Add tx multiqueue support."  I've pulled the NULL check of
"net_rsp" forward a couple lines to avoid that.

Also Ron Mercer says that the early exit should be above the index
write.  ql_write_cq_idx(rx_ring);

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 20:48:07 -07:00
Tobias Klauser
0add79e313 tehuti: Use net_device_stats from struct net_device
struct net_device has its own struct net_device_stats member, so use
this one instead of a private copy in the bdx_priv struct.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 17:19:05 -07:00
Tobias Klauser
5dbfbc4027 ep93xx_eth: Use net_device_stats from struct net_device
struct net_device has its own struct net_device_stats member, so use
this one instead of a private copy in the ep93xx_priv struct. As the new
ndo_get_stats function would just return dev->stats we can omit it.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 17:19:04 -07:00
Changli Gao
b9959c2e44 net_sched: sch_sfq: use proto_ports_offset() to support AH message
Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 17:16:25 -07:00
Changli Gao
aca071c1c1 netfilter: xt_hashlimit: use proto_ports_offset() to support AH message
Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 17:16:25 -07:00
Changli Gao
3d04ebb6ab netfilter: ipt_CLUSTERIP: use proto_ports_offset() to support AH message
Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 17:16:24 -07:00
Changli Gao
78d3307ede net_sched: cls_flow: use proto_ports_offset() to support AH message
Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 17:16:24 -07:00
Changli Gao
12fcdefb36 net: rps: use proto_ports_offset() to handle the AH message correctly
The SPI isn't at the beginning of an AH message.

Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 17:16:23 -07:00
Changli Gao
e760702ed8 net: introduce proto_ports_offset()
Introduce proto_ports_offset() for getting the position of the ports or
SPI in the message of a protocol.

Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 17:16:23 -07:00
Changli Gao
dbe5775bbc net: rps: skip fragment when computing rxhash
Fragmented IP packets may have no transfer header, so when computing
rxhash, we should skip them.

Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 17:10:38 -07:00
Changli Gao
2d47b45951 net: rps: reset network header before calling skb_get_rxhash()
skb_get_rxhash() assumes the network header pointer of the skb is set
properly after the commit:

commit bfb564e739
Author: Krishna Kumar <krkumar2@in.ibm.com>
Date:   Wed Aug 4 06:15:52 2010 +0000

    core: Factor out flow calculation from get_rps_cpu

Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 17:08:37 -07:00
Amit Kumar Salecha
91fe8173be qlcnic: update version 5.0.8
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 16:52:43 -07:00
Sucheta Chakraborty
091754a165 qlcnic: rom lock recovery
Fw can get stuck while holding pci semaphore. Driver will not
be able to perform fw initialization, without this lock.
Release semaphore forcefully in that case.

Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 16:52:42 -07:00
Sony Chacko
d4066833bb qlcnic: firmware initialization update
Cleanup legacy code which is not valid for Qlogic
CNA adapters.

Signed-off-by: Sony Chacko <sony.chacko@qlogic.com>
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 16:52:42 -07:00
Amit Kumar Salecha
63e74e9cb7 qlcnic: fix endiness in eswitch statistics
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 16:52:41 -07:00
Amit Kumar Salecha
21854f029d qlcnic: mark device state as failed
Mark device state failed in error path.

Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 16:52:41 -07:00
Amit Kumar Salecha
78f84e1a70 qlcnic: fix npar state
Privilege functions should wait for npar state to be operational.

Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 16:52:40 -07:00
Sony Chacko
fe4d434da8 qlcnic: support anti mac spoofing
Administrator can configure to drop packet in transmit,
if it doesn't match interface mac address, in case of virtual function.

Signed-off-by: Sony Chacko <sony.chacko@qlogic.com>
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 16:52:40 -07:00
Rajesh Borundia
0325d69b2a qlcnic: configure offload setting on eswitch
Device is not capable of enabling/disabling offload setting per
port in case of Nic Partition.So offload settings needs to be
enabled/disabled per eswitch and it will affect all the function
on that eswitch.

Signed-off-by: Rajesh Borundia <rajesh.borundia@qlogic.com>
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 16:52:39 -07:00
Rajesh Borundia
4e8acb011f qlcnic: configure port on eswitch
o Nic partition capable devices has embedded switch, this needs to support
various features like external switch.

Signed-off-by: Rajesh Borundia <rajesh.borundia@qlogic.com>
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 16:52:38 -07:00
Sony Chacko
251b036a22 qlcnic: replace magic numbers with defines
Signed-off-by: Sony Chacko <sony.chacko@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 16:52:38 -07:00
Sony Chacko
39895e07ca qlcnic: remove unused code
Serial number references are not used in driver.

Signed-off-by: Sony Chacko <sony.chacko@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 16:52:37 -07:00
Amit Kumar Salecha
f1bf7a5247 qlcnic: fix inconsistent lock state
Spin_lock(rds_ring->lock) is not required while posting buffers
from qlcnic_open and freeing buffers from qlcnic_down.

Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 16:52:37 -07:00
Alexander Duyck
84418e3b10 ixgbe: rewrite ethtool test to use standard config functions
This change makes it so that the ethtool loopback test uses the standard
ring configuration and allocation functions.  As a result the loopback test
will be much more effective at testing core driver functionality.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 16:45:28 -07:00
Alexander Duyck
31f05a2d87 ixgbe: update all DESC_ADV macros to accept a ring pointer
All of the DESC_ADV macros are currently needing the pointers to be
de-referenced before accessing the ring.  Instead of having to add all of
the asterisks it is easier to just update the macro to expect a pointer to
the ring.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 16:44:27 -07:00
Alexander Duyck
9e10e045f8 ixgbe: combine Rx into into ixgbe_configure_rx
The Rx init is currently split over ixgbe_configure, ixgbe_configure_rx,
and ixgbe_up_complete.  Instead of leaving it split over 3 function it is
easier to consolidate them all into ixgbe_configure_rx.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 16:44:26 -07:00
Alexander Duyck
2f1860b8d9 ixgbe: pull all Tx init into ixgbe_configure_tx
The Tx init was spread out over ixgbe_configure, ixgbe_configure_tx, and
ixgbe_up_complete.  This change combines all of that into the
ixgbe_configure_tx function in order to simplify the Tx init path.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 16:44:25 -07:00
Alexander Duyck
a34bcfffae ixgbe: move all GPIE register config into a single function
This change moves all GPIE register configuration into a single function.
The advantage of this is that we can avoid a number of unnecessary
read/modify/write cycles on the register.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 16:44:25 -07:00
Alexander Duyck
f5b4a52e81 ixgbe: Move virtualization config into a separate function
This change moves the configuration that was done in configure_rx into a
separate virtualization configuration function.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 16:44:24 -07:00
Alexander Duyck
7367096a43 ixgbe: move all Rx DMA control register writes to one central location
This change moves all of the Rx DMA control register writes to one central
location.  This should help to avoid accidentally overwriting existing
settings.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 16:44:24 -07:00
Alexander Duyck
477de6ed02 ixgbe: Move max frame size and Rx buffer length configuration into a function
This change consolidates all of the Rx max frame size and Rx buffer length
configuration into a single function.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 16:44:23 -07:00
Alexander Duyck
826437d3de ixgbe: remove redundant configuration of vmolr, rename generic variable
The vmolr is configured already in ixgbe_set_rx_mode for the PF so there is
no need to set it again in ixgbe_configure_rx.

Instead of using the variable name reg, it is easier to just rename it to
gcr_ext to reflect the register contents that the variable holds.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 16:44:22 -07:00
Alexander Duyck
1395807091 ixgbe: bump PS header size to 512 bytes
Bump the header size for packet split to 512 bytes since this makes the
best use of the 1k buffer that is allocated for any skb 512 bytes or
smaller.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 16:44:22 -07:00
Alexander Duyck
f5dc442b46 ixgbe: combine accesses to FCTRL register into ixgbe_set_rx_mode
We are accessing the FCTRL register in multiple spots in the init path and
we can simplify things by combining the configuration all into
ixgbe_set_rx_mode.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 16:40:52 -07:00
Alexander Duyck
4865452164 ixgbe: pull PSRTYPE configuration into a separate function
The configuration of PSRTYPE was being done conditionally on if packet
split is enabled or not.  It can be configured always since it will not
have any effect when packet split is not enabled.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 16:40:51 -07:00
Alexander Duyck
acd37177cc ixgbe: pull ring configuration into it's own function
These changes add ixgbe_configure_rx_ring which is used to setup the base
function pointers for the ring.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 16:40:51 -07:00
Alexander Duyck
05abb126c1 ixgbe: consolidate all setting of MRQC into one function
This change simplifies the configuration of MRQC by consolidating the
setting of it into one function. As such the register is no longer set in
multiple places which should make any future changes easier to work with.
In addition we can combine RSS related register writes into the call since
enabling all of those bits without enabling RSS itself in MRQC should have
no effect.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 16:40:50 -07:00
Alexander Duyck
43e69bf0f0 ixgbe: move Tx ring configuration into a separate function
This patch moves the Tx ring configuration into a separate function.  In
addition the function drops the setting of the head writeback RO bit since
head writeback is no longer used within ixgbe.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 16:40:49 -07:00
Alexander Duyck
120ff942cc ixgbe: move configuration of the MTQC register into it's own function
This patch moves the configuration of the MTQC register into it's own
function call similar to ixgbe_setup_mrqc.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 16:40:49 -07:00
Alexander Duyck
179b4096e2 ixgbe: combine two modifications of TXDCTL into one
In ixgbe_up_complete we were doing a read-modify-write of TXDCTL followed
by another one just a few lines further down.  Instead of performing two
separate read-modify-writes it would make more sense to combine the two
into one.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 16:40:48 -07:00
Alexander Duyck
67ebd79141 ixgbe: move setting of GSO size for 82598 into ixgbe_configure_dcb
We are unnecessarily modifying the GSO size for all HW when we don't need
to.  The code can be simplified by moving the check for DCB and the
adjustment of the GSO size for 82598 into ixgbe_configure_dcb.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 16:40:48 -07:00
Alexander Duyck
d716a7d885 ixgbe: remove redundant DMA alignment code
This patch removes the redundant DMA alignment code from the Rx buffer
allocation path.  This code is no longer necessary since all x86 buffers
are now DMA aligned due to recent changes to NET_IP_ALIGN and NET_SKB_PAD.

It also moves the setting of the Rx queue value into the allocation path
since it is more likely that the queue mapping will still be in the cache
at the time of allocation.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 16:36:45 -07:00
Don Skidmore
083fc582b8 ixgbe: cleanup ixgbe_get_drvinfo to be extra careful with buffer boundaries
Make the code in ixgbe_get_drvinfo more protected against buffer overflow
boundaries by using snprintf and sizeof with snprintf.

Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 16:36:44 -07:00
Michal Simek
357e8b5f72 xilinx_emaclite: netpoll support
Netconsole requires poll support.

Signed-off-by: Michal Simek <monstr@monstr.eu>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 00:49:47 -07:00
Eric Dumazet
6f0bee16d0 slip: fix get_stats() method
Use integrated net_device_stats instead of a static one, and make sure
no transient values are feeded. ndo_get_stats() can be called by
concurrent cpus.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 00:16:52 -07:00
Eric Dumazet
dd57f970f9 vxge: Implement 64bit stats
vxge_get_stats() is racy, since it clears a block of memory (net_stats)
possibly still used by other cpus.

We can update this driver to full 64bit stats, since ndo_get_stats64()
provides a private block to store results, and driver maintains 64bit
counters already.

We also remove net_stats field from struct vxge_sw_stats

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Jon Mason <jon.mason@exar.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 00:16:51 -07:00
Eric Dumazet
b92840900f atm: remove a net_device_stats clear
No need to clear device stats in lec_open()

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-19 00:14:36 -07:00