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If we have >=10 (logical) CPUs, our command size exceeds the
internal buffer size and the command fails; fix that by using
IWL_HCMD_DFL_NOCOPY for the command that's allocated anyway.
While at it, also fix the leak of cmd, and use struct_size()
to calculate its size.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Fixes: 8edbfaa19835 ("iwlwifi: mvm: configure multi RX queue")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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The typical sequence of setting INIT_DONE and then waiting
for clock stabilisation is going to need a new workarounds,
so first of all refactor it.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Both iwl_trans_fw_error and iwl_force_nmi initiate async recovery flow.
Calling them both is redundant and causing a race.
Solve this by removing the call to iwl_trans_fw_error.
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Fixes: cfadc3ffccd5 ("iwlwifi: pcie: stop the firmware when we restart it")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Implement paging memory dump in the new dump mechanism.
To support this change, moved iwl_self_init_dram strcut from trans_pcie
to trans so that it will accessible via fw_runtime.
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Implement device internal memory dump in the new dump mechanism.
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Implement csr memory dump in the new dump mechanism.
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Create a skeleton to unite all memory dumps in ini mode.
Implement prph dump with the new skeleton.
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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New fields were added to struct iwl_fw_ini_region_cfg.
add those field and apply the changes the result from this change
offset field is used to differentiate between the different LMACs
and any memory access to the region addresses should be
base_addr + offset.
A fifo struct is to hold the meta data needed for fifo regions
Also move range_data_size and num_of_ranges into a struct under the
union to be aligned to the struct in the FW.
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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The hash mask is a bitmap, so we should use BIT() on
the enum values.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Fixes: 43413a975d06 ("iwlwifi: mvm: support rss queues configuration command")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Update iwl_beacon_filter_cmd to support
BEACON_FILTER_CONFIG_API_S_VER_4.
Currently driver configs them to be zero
(i.e. disable them, so no change is applied).
Signed-off-by: Avigail Grinstein <avigail.grinstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Hiding the HE radiotap data for further processing of the SKB just
caused another bug when adding the L-SIG data. Simply stop doing
this and adjust the skb->data pointer accordingly when we need to
get the 802.11 header.
While at it, also verify and fix the data alignment, we need to add
2 bytes padding with the vendor data to ensure the whole length of
all radiotap headers is a multiple of 4.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Fixes: 6721039d5b8a ("iwlwifi: mvm: add L-SIG length to radiotap")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Depending on exactly what happens in the FW, an invalid host-command
could result in either assert 0x38 or 0x39. Add 0x39 to the assert-name
table.
Signed-off-by: Naftali Goldstein <naftali.goldstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Even if they're static const, there's no need to duplicate
the structs every time they're included and used. Move them
to an appropriate C file instead.
Also remove useless parentheses along the way.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Expose the trigger-based PPDU SIG-A bandwidth to radiotap in
the newly defined bits thereof.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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There are several flows in that can cause redundant allocation.
In case the driver reaches the maximum amount of blocks allowed, it
allocates the buffer and only then checks if it reached the maximum
amount of blocks and return without freeing the buffer,
causing a memory leak.
Solve this by moving the check of the amount of buffers being used
before the allocation.
In case there was an assert, the apply points are being reused,
causing that for each assert, the driver allocates a new redundant
buffer.
Solve this by adding a new is_alloc field to indicate if the driver
already allocated memory for the requested buffer.
Also, split iwl_fw_dbg_buffer_allocation function into
iwl_fw_dbg_buffer_allocation and iwl_fw_dbg_buffer_apply
to increase the clearity of the flow.
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Fixes: d47902f9f71d ("iwlwifi: dbg: add apply point logic")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Use %u instead of using %d which looks signed but then won't
get signed output if using an unsigned variable. It doesn't
matter much, but be consistent.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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If we have a station connecting HE, make sure that the
MAC ctxt is updated with indication of this before
setting the TLC rates via the TLC manager command.
Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Instead of having the command appear as "UNKNOWN" in the
dmesg, add the name to it.
Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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In iwl_mvm_sta_alloc_queue_tvqm(), we know that we have a
station, so no need to check it.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Typically, when not in HE mode, we will not perform well
with AMSDUs bigger than 8K.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Recently we started to send the WEP keys to the firmware so
that we could use hardware Tx encryption also on newer
devices that require the keys to be installed in the firmware
for encryption (as opposed to older devices that can get
the key in the Tx command for each Tx).
When we implemented that, we forgot to remove the key when
we remove a station leading to a situation where a station
that connects and disconnects a lot of times exhausts the
key database inside the firmware.
A fix was made for that, but we always removed the same
key: mvmvif->ap_wep_key which means that we removed the
same key entry in the firmware. This can make sense since
in WEP, the key is the same for all the stations, but the
internal implementation of iwl_mvm_set_sta_key and
iwl_mvm_remove_sta_key assumes that each station uses a
different key in the firmware's key database.
So now we got to the situation where we have a single
ieee80211_key_conf instance that means, a single
ieee80211_key_conf.hw_key_idx index for several stations
and hence for several keys.
ieee80211_key_conf.hw_key_idx is set to 0 when the first
station associates, and then it is overwritten to 1 when
the second station associates which is a buggy of course.
This led to the following message upon the removal of the
second station:
iwlwifi 0000:00:03.0: offset 1 not used in fw key table.
WARNING: CPU: 2 PID: 27883 at net/mac80211/sta_info.c:1122 __sta_info_destroy_part2+0x16b/0x180 [mac80211]
RIP: 0010:__sta_info_destroy_part2+0x16b/0x180 [mac80211]
Call Trace:
__sta_info_destroy+0x2a/0x40 [mac80211]
sta_info_destroy_addr_bss+0x38/0x60 [mac80211]
ieee80211_del_station+0x1d/0x30 [mac80211]
nl80211_del_station+0xe0/0x1f0 [cfg80211]
Fix this by copying the ieee80211_key_conf structure for
each and every station. This is the easiest way to properly
remove the keys with the right index. Another solution
would have been to allow several stations to use the same
key offset in the firmware. That would require to change
the way we track keys in iwlmvm and not really worth it.
Also, maintain correctly fw_key_table when we add a key
for the multicast station.
Remove the key when we remove the multicast station.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Fixes: 337bfc9881a2 ("iwlwifi: mvm: set wep key for all stations in soft ap mode")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Some switch-cases were missing a fall through comment, so the compiler
may warn. Fix that by adding the comments where needed. In other
cases there was more text in the comment, which the compiler doesn't
recognize, so either remove the extra text or move it to a separate
comment line as appropriate.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Some case statements were missing a comment about falling through or
had more text than the compiler can recognize. Fix that.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Align the documentation of the structs with the latest version in
the FW.
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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There are several dumping flows in the driver in case of a fail
prior to operational.
In some cases we get 2 dumps while in others we get none.
Fix this by uniting the different flows.
Add a different dump type to driver triggered dumps in case we want
a dump but did not got assert, and make all dumping go through
iwl_fw_dbg_collect_desc to avoid multiple dumps.
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Remove duplicated include.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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The firmware is changing the format of the beacon
notification to remove the dependency on the Tx response
format.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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The driver should support 64 region ids. Update
IWL_FW_INI_MAX_REGION_ID accordingly.
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Align the triggers enum in the driver to the one in the FW.
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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There are two cases that can cause the alive flow to fail,
an assert or a timeout.
Currently we mask any incoming asserts when we wait for alive.
Solve this by differentiating between the two cases:
1. Let the regular error handling to handle a received assert
2. Do a dump collection in the case of a timeout
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Fixes: f38efdb29389 ("iwlwifi: add dump collection in case alive flow fails")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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When we do channel switch, we used to schedule time events
ourselves. This was offloaded to FW. Support the new command
and flow.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Simplify some return conditions found by running a semantic patch
to detect unnecessary assignments to local variables.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Prior to gen2 we allocate the paging memory via alloc_pages
which requires passing ownership on the memory between the
cpu and the device using dma_sync_single_for_cpu and
dma_sync_single_for_device.
Add missing dma_sync_single_for_device in iwl_dump_paging
after copying the memory.
since gen2, we allocate the paging memory using dma_alloc_coherent
which does not need passing ownership between the cpu and device.
Remove unneeded call to dma_sync_single_for_cpu in
iwl_trans_pcie_dump_data prior to copying the memory.
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Fixes: 5538409ba393 ("iwlwifi: pcie: support page dumping in wrt in gen2")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Some of the region struct fields have misleading naming
change those fields to have an informative naming
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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change IWL_FW_INI_LOCATION_SRAM_INVALID into IWL_FW_INI_LOCATION_INVALID
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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update ini struct documentation to the structs being used in the FW
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Start supporting API version 44 where applicable.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Fixes: 887feae36aee ("socket: Add SO_TIMESTAMP[NS]_NEW")
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add __cold to the netdev_<level> logging functions similar to
the use of __cold in the generic printk function.
Using __cold moves all the netdev_<level> logging functions
out-of-line possibly improving code locality and runtime
performance.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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net/core/sock.c: In function 'sock_setsockopt':
net/core/sock.c:914:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
sock_set_flag(sk, SOCK_TSTAMP_NEW);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
net/core/sock.c:915:2: note: here
case SO_TIMESTAMPING_OLD:
^~~~
Fixes: 9718475e6908 ("socket: Add SO_TIMESTAMPING_NEW")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, the header search paths -Itools/include and
-Itools/include/uapi are not used. Let's drop the unused code.
We can remove -I. too by fixing up one C file.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Heiner Kallweit says:
====================
net: phy: aquantia: number of improvements
This patch series is based on work from Andrew. I adjusted and added
certain parts. The series improves few aspects of driver, no functional
change intended.
v2:
- add my SoB to patch 1
- leave kernel.h in in patch 2
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Replace magic numbers with proper constants. The original patch is
from Andrew, I extended / adjusted certain parts:
- Use decimal bit numbers. The datasheet uses hex bit numbers 0 .. F.
- Order defines from highest to lowest bit numbers
- correct some typos
- add constant MDIO_AN_TX_VEND_INT_MASK2_LINK
- Remove few functional improvements from the patch, they will come as
a separate patch.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make use of macro PHY_ID_MATCH_MODEL to simplify the code.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove unneeded header includes.
v2:
- leave kernel.h in
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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aquantia_ as a name space prefix is rather long, resulting in lots of
lines needing wrapping, reducing readability. Use the prefix aqr_
instead, which fits with the vendor naming there devices aqr107, for
example.
v2:
- add SoB from Heiner
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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After 4effd28c1245 ("bridge: join all-snoopers multicast address"), I
started seeing the following sleep in atomic warnings:
[ 26.763893] BUG: sleeping function called from invalid context at mm/slab.h:421
[ 26.771425] in_atomic(): 1, irqs_disabled(): 0, pid: 1658, name: sh
[ 26.777855] INFO: lockdep is turned off.
[ 26.781916] CPU: 0 PID: 1658 Comm: sh Not tainted 5.0.0-rc4 #20
[ 26.787943] Hardware name: BCM97278SV (DT)
[ 26.792118] Call trace:
[ 26.794645] dump_backtrace+0x0/0x170
[ 26.798391] show_stack+0x24/0x30
[ 26.801787] dump_stack+0xa4/0xe4
[ 26.805182] ___might_sleep+0x208/0x218
[ 26.809102] __might_sleep+0x78/0x88
[ 26.812762] kmem_cache_alloc_trace+0x64/0x28c
[ 26.817301] igmp_group_dropped+0x150/0x230
[ 26.821573] ip_mc_dec_group+0x1b0/0x1f8
[ 26.825585] br_ip4_multicast_leave_snoopers.isra.11+0x174/0x190
[ 26.831704] br_multicast_toggle+0x78/0xcc
[ 26.835887] store_bridge_parm+0xc4/0xfc
[ 26.839894] multicast_snooping_store+0x3c/0x4c
[ 26.844517] dev_attr_store+0x44/0x5c
[ 26.848262] sysfs_kf_write+0x50/0x68
[ 26.852006] kernfs_fop_write+0x14c/0x1b4
[ 26.856102] __vfs_write+0x60/0x190
[ 26.859668] vfs_write+0xc8/0x168
[ 26.863059] ksys_write+0x70/0xc8
[ 26.866449] __arm64_sys_write+0x24/0x30
[ 26.870458] el0_svc_common+0xa0/0x11c
[ 26.874291] el0_svc_handler+0x38/0x70
[ 26.878120] el0_svc+0x8/0xc
while toggling the bridge's multicast_snooping attribute dynamically.
Pass a gfp_t down to igmpv3_add_delrec(), introduce
__igmp_group_dropped() and introduce __ip_mc_dec_group() to take a gfp_t
argument.
Similarly introduce ____ip_mc_inc_group() and __ip_mc_inc_group() to
allow caller to specify gfp_t.
IPv6 part of the patch appears fine.
Fixes: 4effd28c1245 ("bridge: join all-snoopers multicast address")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Create an entry for Redpine wireless driver and add Amit and myself as
maintainers.
Signed-off-by: Siva Rebbagondla <siva.rebbagondla@redpinesignals.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Shared buffer allocation is usually done in cell increments.
Drivers will either round up the allocation or refuse the
configuration if it's not an exact multiple of cell size.
Drivers know exactly the cell size of shared buffer, so help
out users by providing this information in dumps.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Deepa Dinamani says:
====================
net: y2038-safe socket timestamps
The series introduces new socket timestamps that are
y2038 safe.
The time data types used for the existing socket timestamp
options: SO_TIMESTAMP, SO_TIMESTAMPNS and SO_TIMESTAMPING
are not y2038 safe. The series introduces SO_TIMESTAMP_NEW,
SO_TIMESTAMPNS_NEW and SO_TIMESTAMPING_NEW to replace these.
These new timestamps can be used on all architectures.
The alternative considered was to extend the sys_setsockopt()
by using the flags. We did not receive any strong opinions about
either of the approaches. Hence, this was chosen, as glibc folks
preferred this.
The series does not deal with updating the internal kernel socket
calls like rxrpc to make them y2038 safe. This will be dealt
with separately.
Note that the timestamps behavior already does not match the
man page specific behavior:
SIOCGSTAMP
This ioctl should only be used if the socket option SO_TIMESTAMP
is not set on the socket. Otherwise, it returns the timestamp of
the last packet that was received while SO_TIMESTAMP was not set,
or it fails if no such packet has been received,
(i.e., ioctl(2) returns -1 with errno set to ENOENT).
The recommendation is to update the man page to remove the above statement.
The overview of the socket timestamp series is as below:
1. Delete asm specific socket.h when possible.
2. Support SO/SCM_TIMESTAMP* options only in userspace.
3. Rename current SO/SCM_TIMESTAMP* to SO/SCM_TIMESTAMP*_OLD.
3. Alter socket options so that SOCK_RCVTSTAMPNS does
not rely on SOCK_RCVTSTAMP.
4. Introduce y2038 safe types for socket timestamp.
5. Introduce new y2038 safe socket options SO/SCM_TIMESTAMP*_NEW.
6. Intorduce new y2038 safe socket timeout options.
Changes since v4:
* Fixed the typo in calling sock_get_timeout()
Changes since v3:
* Rebased onto net-next and fixups as per review comments
* Merged the socket timeout series
* Integrated Arnd's patch to simplify compat handling of timeout syscalls
Changes since v2:
* Removed extra functions to reduce diff churn as per code review
Changes since v1:
* Dropped the change to disentangle sock flags
* Renamed sock_timeval to __kernel_sock_timeval
* Updated a few comments
* Added documentation changes
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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