2017-11-01 15:09:13 +01:00
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2012-10-13 10:46:48 +01:00
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2018-03-13 14:51:27 +09:00
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2012-10-13 10:46:48 +01:00
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net: deprecate eth_change_mtu, remove usage
With centralized MTU checking, there's nothing productive done by
eth_change_mtu that isn't already done in dev_set_mtu, so mark it as
deprecated and remove all usage of it in the kernel. All callers have been
audited for calls to alloc_etherdev* or ether_setup directly, which means
they all have a valid dev->min_mtu and dev->max_mtu. Now eth_change_mtu
prints out a netdev_warn about being deprecated, for the benefit of
out-of-tree drivers that might be utilizing it.
Of note, dvb_net.c actually had dev->mtu = 4096, while using
eth_change_mtu, meaning that if you ever tried changing it's mtu, you
couldn't set it above 1500 anymore. It's now getting dev->max_mtu also set
to 4096 to remedy that.
v2: fix up lantiq_etop, missed breakage due to drive not compiling on x86
CC: netdev@vger.kernel.org
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-07 22:04:34 -04:00
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ethernet: use net core MTU range checking in more drivers
Somehow, I missed a healthy number of ethernet drivers in the last pass.
Most of these drivers either were in need of an updated max_mtu to make
jumbo frames possible to enable again. In a few cases, also setting a
different min_mtu to match previous lower bounds. There are also a few
drivers that had no upper bounds checking, so they're getting a brand new
ETH_MAX_MTU that is identical to IP_MAX_MTU, but accessible by includes
all ethernet and ethernet-like drivers all have already.
acenic:
- min_mtu = 0, max_mtu = 9000
amazon/ena:
- min_mtu = 128, max_mtu = adapter->max_mtu
amd/xgbe:
- min_mtu = 0, max_mtu = 9000
sb1250:
- min_mtu = 0, max_mtu = 1518
cxgb3:
- min_mtu = 81, max_mtu = 65535
cxgb4:
- min_mtu = 81, max_mtu = 9600
cxgb4vf:
- min_mtu = 81, max_mtu = 65535
benet:
- min_mtu = 256, max_mtu = 9000
ibmveth:
- min_mtu = 68, max_mtu = 65535
ibmvnic:
- min_mtu = adapter->min_mtu, max_mtu = adapter->max_mtu
- remove now redundant ibmvnic_change_mtu
jme:
- min_mtu = 1280, max_mtu = 9202
mv643xx_eth:
- min_mtu = 64, max_mtu = 9500
mlxsw:
- min_mtu = 0, max_mtu = 65535
- Basically bypassing the core checks, and instead relying on dynamic
checks in the respective switch drivers' ndo_change_mtu functions
ns83820:
- min_mtu = 0
- remove redundant ns83820_change_mtu, only checked for mtu > 1500
netxen:
- min_mtu = 0, max_mtu = 8000 (P2), max_mtu = 9600 (P3)
qlge:
- min_mtu = 1500, max_mtu = 9000
- driver only supports setting mtu to 1500 or 9000, so the core check only
rules out < 1500 and > 9000, qlge_change_mtu still needs to check that
the value is 1500 or 9000
qualcomm/emac:
- min_mtu = 46, max_mtu = 9194
xilinx_axienet:
- min_mtu = 64, max_mtu = 9000
Fixes: 61e84623ace3 ("net: centralize net_device min/max MTU checking")
CC: netdev@vger.kernel.org
CC: Jes Sorensen <jes@trained-monkey.org>
CC: Netanel Belgazal <netanel@annapurnalabs.com>
CC: Tom Lendacky <thomas.lendacky@amd.com>
CC: Santosh Raspatur <santosh@chelsio.com>
CC: Hariprasad S <hariprasad@chelsio.com>
CC: Sathya Perla <sathya.perla@broadcom.com>
CC: Ajit Khaparde <ajit.khaparde@broadcom.com>
CC: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>
CC: Somnath Kotur <somnath.kotur@broadcom.com>
CC: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
CC: John Allen <jallen@linux.vnet.ibm.com>
CC: Guo-Fu Tseng <cooldavid@cooldavid.org>
CC: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
CC: Jiri Pirko <jiri@mellanox.com>
CC: Ido Schimmel <idosch@mellanox.com>
CC: Manish Chopra <manish.chopra@qlogic.com>
CC: Sony Chacko <sony.chacko@qlogic.com>
CC: Rajesh Borundia <rajesh.borundia@qlogic.com>
CC: Timur Tabi <timur@codeaurora.org>
CC: Anirudha Sarangi <anirudh@xilinx.com>
CC: John Linn <John.Linn@xilinx.com>
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-20 13:55:16 -04:00
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net: deprecate eth_change_mtu, remove usage
With centralized MTU checking, there's nothing productive done by
eth_change_mtu that isn't already done in dev_set_mtu, so mark it as
deprecated and remove all usage of it in the kernel. All callers have been
audited for calls to alloc_etherdev* or ether_setup directly, which means
they all have a valid dev->min_mtu and dev->max_mtu. Now eth_change_mtu
prints out a netdev_warn about being deprecated, for the benefit of
out-of-tree drivers that might be utilizing it.
Of note, dvb_net.c actually had dev->mtu = 4096, while using
eth_change_mtu, meaning that if you ever tried changing it's mtu, you
couldn't set it above 1500 anymore. It's now getting dev->max_mtu also set
to 4096 to remedy that.
v2: fix up lantiq_etop, missed breakage due to drive not compiling on x86
CC: netdev@vger.kernel.org
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-07 22:04:34 -04:00
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2012-10-13 10:46:48 +01:00
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2015-09-09 12:25:17 +02:00
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2017-12-13 16:38:56 -08:00
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2012-10-13 10:46:48 +01:00
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2012-10-30 04:08:41 +00:00
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2012-10-13 10:46:48 +01:00
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2017-08-22 09:40:28 -07:00
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2012-10-13 10:46:48 +01:00
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2014-02-25 11:17:25 +00:00
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2012-10-13 10:46:48 +01:00
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2022-02-28 14:30:28 +01:00
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2021-10-18 11:37:56 +02:00
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2012-10-13 10:46:48 +01:00
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2022-02-28 14:30:29 +01:00
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2012-10-13 10:46:48 +01:00
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2018-01-31 19:04:15 -06:00
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2012-10-13 10:46:48 +01:00
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2019-04-11 09:11:33 -07:00
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2020-04-26 15:21:58 +02:00
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2016-03-11 18:07:31 +01:00
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2012-10-13 10:46:48 +01:00
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2013-02-08 17:17:07 +00:00
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2012-10-13 10:46:48 +01:00
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2016-07-19 11:54:17 +10:00
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2013-10-30 21:10:47 +01:00
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2020-10-27 10:02:44 +00:00
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2012-10-13 10:46:48 +01:00
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2016-12-19 11:28:46 -08:00
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2012-10-13 10:46:48 +01:00
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2014-03-03 17:23:10 +01:00
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2016-04-13 13:52:22 +02:00
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2017-08-28 21:43:21 +02:00
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2014-03-13 12:41:57 +01:00
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2012-10-13 10:46:48 +01:00
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2019-05-02 23:23:33 +03:00
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2017-08-28 15:03:13 -04:00
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2012-10-13 10:46:48 +01:00
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2021-12-01 10:57:13 +08:00
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2013-03-28 13:38:25 +09:00
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2012-10-13 10:46:48 +01:00
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2014-08-27 17:04:46 -07:00
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2017-08-29 22:44:16 -06:00
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2021-07-29 10:20:44 +08:00
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2012-10-13 10:46:48 +01:00
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2018-02-12 23:59:51 +01:00
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2018-01-03 23:14:21 +01:00
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2012-10-13 10:46:48 +01:00
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2018-01-03 23:14:21 +01:00
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2012-10-13 10:46:48 +01:00
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