linux-toradex.git/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c, branch v3.7-rc2 Linux kernel for Apalis and Colibri modules net: infiniband/ulp/ipoib: convert to hw_features 2011-04-20T08:30:42+00:00 Michał Mirosław mirq-linux@rere.qmqm.pl 2011-04-19T00:43:20+00:00 3d96c74d8983b16bc7ecb196e61a2173fcc3f09f Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net> 
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
IPoIB: Remove LRO support 2011-01-11T01:41:54+00:00 Or Gerlitz ogerlitz@voltaire.com 2011-01-11T01:41:54+00:00 19e364f6801e38972673278adedaab1abf6f854c As a first step in moving from LRO to GRO, revert commit af40da894e9 ("IPoIB: add LRO support"). Also eliminate the ethtool set_flags callback which isn't needed anymore. Finally, we need to include <linux/sched.h> directly to get the declaration of restart_syscall() (which used to be included implicitly through <linux/inet_lro.h>). Cc: Ben Hutchings <bhutchings@solarflare.com> Cc: Eric W. Biederman <ebiederm@xmission.com> Cc: Vladimir Sokolovsky <vlad@mellanox.co.il> Signed-off-by: Or Gerlitz <ogerlitz@voltaire.com> Signed-off-by: Roland Dreier <rolandd@cisco.com> 
As a first step in moving from LRO to GRO, revert commit af40da894e9
("IPoIB: add LRO support").  Also eliminate the ethtool set_flags
callback which isn't needed anymore.  Finally, we need to include
<linux/sched.h> directly to get the declaration of restart_syscall()
(which used to be included implicitly through <linux/inet_lro.h>).

Cc: Ben Hutchings <bhutchings@solarflare.com>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Vladimir Sokolovsky <vlad@mellanox.co.il>
Signed-off-by: Or Gerlitz <ogerlitz@voltaire.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
IB/{nes, ipoib}: Pass supported flags to ethtool_op_set_flags() 2010-07-04T18:48:14+00:00 Ben Hutchings bhutchings@solarflare.com 2010-07-03T09:41:29+00:00 39827be26b36ef9cdbc661c92a269e0484cd9ef5 Following commit 1437ce3983bcbc0447a0dedcd644c14fe833d266 "ethtool: Change ethtool_op_set_flags to validate flags", ethtool_op_set_flags takes a third parameter and cannot be used directly as an implementation of ethtool_ops::set_flags. Changes nes and ipoib driver to pass in the appropriate value. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Acked-by: Roland Dreier <rolandd@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
Following commit 1437ce3983bcbc0447a0dedcd644c14fe833d266 "ethtool:
Change ethtool_op_set_flags to validate flags", ethtool_op_set_flags
takes a third parameter and cannot be used directly as an
implementation of ethtool_ops::set_flags.

Changes nes and ipoib driver to pass in the appropriate value.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Acked-by: Roland Dreier <rolandd@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
IPoIB: Allow disabling/enabling TSO on the fly through ethtool 2010-04-22T00:17:30+00:00 Or Gerlitz ogerlitz@voltaire.com 2010-03-04T13:16:52+00:00 d414371795d54fa916938f948105d08928abfbb9 Signed-off-by: Or Gerlitz <ogerlitz@voltaire.com> Signed-off-by: Roland Dreier <rolandd@cisco.com> 
Signed-off-by: Or Gerlitz <ogerlitz@voltaire.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
IPoIB: Remove TX moderation settings from ethtool support 2010-02-11T23:40:40+00:00 Or Gerlitz ogerlitz@voltaire.com 2010-02-11T23:40:40+00:00 757bebb3f989f10acc6f105e89305b0d19aa7c55 As of commit f56bcd8 ("IPoIB: Use separate CQ for UD send completions"), there are no TX interrupts. Change the ethtool code not to report TX moderation settings, so users will not be misled to think they can control TX interrupt moderation. Pointed out by Alex Vainman <alexv@voltaire.com> Signed-off-by: Or Gerlitz <ogerlitz@voltaire.com> Signed-off-by: Roland Dreier <rolandd@cisco.com> 
As of commit f56bcd8 ("IPoIB: Use separate CQ for UD send
completions"), there are no TX interrupts.  Change the ethtool code
not to report TX moderation settings, so users will not be misled to
think they can control TX interrupt moderation.  Pointed out by Alex
Vainman <alexv@voltaire.com>

Signed-off-by: Or Gerlitz <ogerlitz@voltaire.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
IPoIB: Clean up ethtool support 2008-10-22T22:49:29+00:00 Or Gerlitz ogerlitz@voltaire.com 2008-10-22T22:49:29+00:00 70c9c0db549245a49cabf42d5a74688077254d46 Add a get_rx_csum method. Remove the driver's own get_tso method, as the ethtool kernel code uses the default one if nothing is provided. Signed-off-by: Or Gerlitz <ogerlitz@voltaire.com> Signed-off-by: Roland Dreier <rolandd@cisco.com> 
Add a get_rx_csum method.  Remove the driver's own get_tso method, as
the ethtool kernel code uses the default one if nothing is provided.

Signed-off-by: Or Gerlitz <ogerlitz@voltaire.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
IPoIB: add LRO support 2008-07-15T06:48:48+00:00 Vladimir Sokolovsky vlad@mellanox.co.il 2008-07-15T06:48:48+00:00 af40da894e96d5c826d38be3ea53ee00d9de0367 Add "ipoib_use_lro" module parameter to enable LRO and an "ipoib_lro_max_aggr" module parameter to set the max number of packets to be aggregated. Make LRO controllable and LRO statistics accessible through ethtool. Signed-off-by: Vladimir Sokolovsky <vlad@mellanox.co.il> Signed-off-by: Eli Cohen <eli@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com> 
Add "ipoib_use_lro" module parameter to enable LRO and an
"ipoib_lro_max_aggr" module parameter to set the max number of packets
to be aggregated.  Make LRO controllable and LRO statistics accessible
through ethtool.

Signed-off-by: Vladimir Sokolovsky <vlad@mellanox.co.il>
Signed-off-by: Eli Cohen <eli@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
IPoIB: Use separate CQ for UD send completions 2008-04-29T20:46:53+00:00 Eli Cohen eli@dev.mellanox.co.il 2008-04-29T20:46:53+00:00 f56bcd8013566d4ad4759ae5fc85a6660e4655c7 Use a dedicated CQ for UD send completions. Also, do not arm the UD send CQ, which reduces the number of interrupts generated. This patch farther reduces overhead by not calling poll CQ for every posted send WR -- it does polls only when there 16 or more outstanding work requests. Signed-off-by: Eli Cohen <eli@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com> 
Use a dedicated CQ for UD send completions. Also, do not arm the UD
send CQ, which reduces the number of interrupts generated.  This patch
farther reduces overhead by not calling poll CQ for every posted send
WR -- it does polls only when there 16 or more outstanding work requests.

Signed-off-by: Eli Cohen <eli@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
IPoIB: Support modifying IPoIB CQ event moderation 2008-04-17T04:09:33+00:00 Eli Cohen eli@dev.mellanox.co.il 2008-04-17T04:09:33+00:00 28d52b3cd8d48ef0ff77d4a8a7a21fc2816bb0a5 This can be used to tune at run time the parameters controlling the event (interrupt) generation rate and thus reduce the overhead incurred by handling interrupts resulting in better throughput. Since IPoIB uses a single CQ for both RX and TX, RX is chosen to dictate configuration for both RX and TX. Signed-off-by: Eli Cohen <eli@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com> 
This can be used to tune at run time the parameters controlling the
event (interrupt) generation rate and thus reduce the overhead
incurred by handling interrupts resulting in better throughput.  Since
IPoIB uses a single CQ for both RX and TX, RX is chosen to dictate
configuration for both RX and TX.

Signed-off-by: Eli Cohen <eli@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
IPoIB: Add basic ethtool support 2008-04-17T04:09:32+00:00 Eli Cohen eli@dev.mellanox.co.il 2008-04-17T04:09:32+00:00 82c24c18afc5e1c2a955bdc2762b19721283365c Just add the infrastructure so we can add functionality later. Signed-off-by: Eli Cohen <eli@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com> 
Just add the infrastructure so we can add functionality later.

Signed-off-by: Eli Cohen <eli@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>