| Commit message (Collapse) | Author | Age | Files | Lines |
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This disables PTP when we bring the interface down to avoid getting
unmatched RX timestamp events, and tries to re-enable it when bringing
the interface up.
[bwh: Make efx_ptp_stop() safe on Falcon. Introduce
efx_ptp_{start,stop}_datapath() functions; we'll expand them later.]
Fixes: 7c236c43b838 ('sfc: Add support for IEEE-1588 PTP')
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
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In case of a flood of PTP packets, the timestamp peripheral and MC
firmware on the SFN[56]322F boards may not be able to provide
timestamp events for all packets. Don't complain too much about this.
Fixes: 7c236c43b838 ('sfc: Add support for IEEE-1588 PTP')
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
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Limit syslog flood if a PTP packet storm occurs.
Fixes: 7c236c43b838 ('sfc: Add support for IEEE-1588 PTP')
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
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efx_ptp_is_ptp_tx() must be robust against skbs from raw sockets that
have invalid IPv4 and UDP headers.
Add checks that:
- the transport header has been found
- there is enough space between network and transport header offset
for an IPv4 header
- there is enough space after the transport header offset for a
UDP header
Fixes: 7c236c43b838 ('sfc: Add support for IEEE-1588 PTP')
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
John W. Linville says:
====================
Please pull this batch of fixes intende for the 3.13 stream!
For the mac80211 bits, Johannes says:
"For now I have various fixes all over, mostly for issues introduced in
relatively recent patches. There's no real pattern to it. Some of the
issues like go back longer, but still seemed 3.13 material."
And...
"These are just two patches disabling the broken CSA code. Once this
goes into your tree I'll merge it into mac80211-next and revert there
(since we fixed the bugs there)."
For the iwlwifi bits, Emmanuel says:
"I have here a few fixes for BT Coex. One of them is a NULL pointer
dereference. Another one avoids to enable a feature that can make the
firmware unhappy since the firmware isn't ready for it yet. WE also
avoid a WARNING that can be triggered upon association in not-so-bad
cases even if the association succeeded. We add support for new NICs
(not yet on the market) and bump the API so that 3.13 will be able to
work with the new firmware that will be out soon hopefully.
I also have a boundary check from Johannes."
In addition to those...
- Arend van Spriel fixes a brcmfmac problem that could use an
uninitialized variable in an error path.
- Borislav Petkov fixes a Kconfig-based build breakage problem for
brcmsmac.
- Michal Nazarewicz fixes a couple of NULL pointer dereference problems
in ath9k and wcn36xx.
- Sujith Manoharan fixes a couple of ath9k problems related to
incorrect interpretation of EEPROM configuration data.
- Ujjal Roy fixes a memory leak in mwifiex.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211
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When external CSA IEs are received (beacons or action messages), a
channel switch is triggered as well. This should only be allowed on
devices which actually support channel switches, otherwise disconnect.
(For the corresponding userspace invocation, the wiphy flag is checked
in nl80211).
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The channel switch announcement code has some major locking problems
which can cause a deadlock in worst case. A series of fixes has been
proposed, but these are non-trivial and need to be tested first.
Therefore disable CSA completely for 3.13.
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Building brcmfmac for sparc64 gave the following warning:
CC [M] drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.o
bcmsdh_sdmmc.c: In function 'brcmf_sdioh_request_byte':
bcmsdh_sdmmc.c:89:6: warning: 'err_ret' may be used uninitialized
in this function [-Wuninitialized]
Inspecting the code it indeed had a path of execution in
which the return value was used uninitialized. This patch
fixes that code path.
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Franky Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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If kmalloc fails wcn36xx_smd_rsp_process will attempt to dereference
a NULL pointer. There might be a better error recovery then just
printing an error, but printing an error message is better then the
current behaviour.
Signed-off-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Code in ath9k_hw_set_clockrate function indicates that ah->curchan
(and thus chan local variable) may be NULL. If that is indeed the
case, IS_CHAN_HT40(chan) check has to be performed only in branch
where chan is not NULL. Moving the code under already existing
if condition fixes this issue.
Signed-off-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The EEPROM parameter to determine whether the bias
strength values for XLNA have to be applied is part
of the miscConfiguration field and not featureEnable.
Cc: stable@vger.kernel.org
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Bit 5 in the miscConfiguration field of the base EEPROM
header denotes whether QuickDrop is enabled or not. Fix
the incorrect usage of BIT(1) and also make sure that
this is done only for the required chips.
Cc: stable@vger.kernel.org
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-fixes
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If the next seqno returned by the firmware is 0, we return an error
(-16) in the iwl_mvm_get_last_nonqos_seq() function. This is because
we return an integer and don't use any casting when calculating the
last seqno from the one we received. Fix this by using a cast to u16
when doing the calculation, so we return 0xfff0, as we should.
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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In an open BSS, after suspend/resume, we don't set the last seqno
because the iwl_mvm_setup_connection_keep() returns too early. This
happens because the check to see if we have any keys was returning
immediately, without setting seqno and seqno_valid. Fix this.
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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If we call ieee80211_hw_restart, it means that the
firmware is in bad condition and will be reset soon.
Since the firmware will be reset, there is no good
reason to keep sending host commands.
Signed-off-by: Alexander Bondar <alexander.bondar@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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A new firmware is coming out soon with new APIs.
To make sure that this new firmware won't be loaded on old
driver that don't support it, it's API version has been
updated to 8. In order to be able to load it, bump the API
version to 8.
API version 7 is still supported and will be for another
year or so.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Time event notification can have a failure status even if
the time event was scheduled:
* in START notification, this can happen if the time event
was scheduled later than the requested apply time.
* in STOP notification, this can happen if the time event
is truncated.
Even if both happened, the offchannel packets sent during
the remain on channel are very likely to have been sent.
Hence, don't WARN when this happens, but rather print a
discrete line in the kernel log.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
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This patch is very similar to a previous fix: 22cba0c0852f
When we disassociate, mac80211 removes the station and
then, it sets the bss it unsets the assoc bool in bss_info.
Since the firwmware wants it the opposite (first set the
MAC context as unassoc, and only then, remove the STA of
the API), we have a small period of time in which the STA
in firmware doesn't have a valid ieee80211_sta pointer.
During that time, iwl_mvm_vif->ap_sta_id, is still set
to the STA in firmware that represent the AP.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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This feature isn't supported by the firmware (yet).
Note that settingt he values to BT_CFG_CMD is harmless if
the validity bit is clear - so keep the configuration
values in BT_CFG_CMD, but clear the validity bit until thes
feature is enabled in the firmware.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Add new HW IDs and configurations for 7265 series.
Signed-off-by: Oren Givon <oren.givon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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We changed the timeout for the interrupt coealescing for
calibration, but that wasn't effective since we changed
that value back before loading the firmware. Since
calibrations are notification from firmware and not Rx
packets, this doesn't change anyway - the firmware will
fire an interrupt straight away regardless of the interrupt
coalescing value.
Also, a HW issue has been discovered in 7000 devices series.
The work around is to disable the new interrupt coalescing
timeout feature - do this by setting bit 31 in
CSR_INT_COALESCING.
This has been fixed in 7265 which means that we can't rely
on the device family and must have a hint in the iwl_cfg
structure.
Cc: stable@vger.kernel.org [3.10+]
Fixes: 99cd47142399 ("iwlwifi: add 7000 series device configuration")
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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The station ID must be valid, if it's out of range then
the array access may crash. Validate the station ID to
the array length, and also validate the drain value even
if that doesn't matter all that much.
Cc: stable@vger.kernel.org
Fixes: 8ca151b568b6 ("iwlwifi: add the MVM driver")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211
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ATM, the first call of ieee80211_do_open will configure the hw as
non-idle, even if the interface being brought up is not a monitor, and
this leads to inconsistent sequences like:
register_hw()
do_open(sta)
hw_config(non-idle)
(.. sta is non-idle ..)
scan(sta)
hw_config(idle) (after scan finishes)
do_stop(sta)
do_open(sta)
(.. sta is idle ..)
Signed-off-by: Karl Beldan <karl.beldan@rivierawaves.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Commit 3e8b1eb "mac80211/minstrel_ht: improve rate selection stability"
introduced a local capped prob in minstrel_ht_calc_tp but omitted to use
it to compute the per rate throughput.
Signed-off-by: Karl Beldan <karl.beldan@rivierawaves.com>
Cc: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Fixes wpa_supplicant p2p_find on 5GHz-only devices
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Commit 392b9ff ("mac80211: change beacon/connection polling")
removed the IEEE80211_STA_BEACON_POLL flag.
However, it accidentally removed the setting of
IEEE80211_STA_CONNECTION_POLL, making the connection polling
completely useless (the flag is always clear, so the result
is never being checked). Fix it.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Acked-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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'mac80211_hwsim: Fix tracking of beaconing for multi-vif' introduced an
iteration of active interfaces into the bss_info_changed handler.
However, it used a wrong type of iteration and could result in a dead
lock since iflist_mtx can already be held. Fix this by using the atomic
version of the iteration function.
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Mesh STA receiving the mesh CSA action frame is not able to trigger
the mesh channel switch due to the incorrect handling and comparison
of mesh channel switch parameters element (MCSP)'s TTL. Make sure
the MCSP's TTL is updated accordingly before calling the
ieee80211_mesh_process_chnswitch. Also, we update the beacon before
forwarding the CSA action frame, so MCSP's precedence value and
initiator flag need to be updated prior to this.
Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Multicast frames can't be transmitted as part of an aggregation
session (such a session couldn't even be set up) so don't try to
reorder them. Trying to do so would cause the reorder to stop
working correctly since multicast QoS frames (as transmitted by
the Aruba APs this was found with) would cause sequence number
confusion in the buffer.
Cc: stable@vger.kernel.org
Reported-by: Blaise Gassend <blaise@suitabletech.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Due to nl80211 API breakage, 5/10 MHz support is broken for
all drivers. Fixing it requires adding new API, but that
can't be done as a bugfix commit since that would require
either updating all APIs in the trees needing the bugfix or
cause different kernels to have incompatible API.
Therefore, just disable 5/10 MHz support for all drivers.
Cc: stable@vger.kernel.org [3.12]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When initializing rates selections starting indexes upon stats update,
the minstrel_sta->max_* rates should be 'group * MCS_GROUP_RATES + i'
not 'i'. This affects settings where one of the peers does not support
any of the rates of the group 0 (i.e. when ht_cap.mcs.rx_mask[0] == 0).
Signed-off-by: Karl Beldan <karl.beldan@rivierawaves.com>
Acked-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Mesh beacon was not being rebuild after user triggered a mesh
powersave change.
To solve this issue use ieee80211_mbss_info_change_notify instead
of ieee80211_bss_info_change_notify. This helper function forces
mesh beacon to be rebuild and then notifies the driver about the
beacon change.
Signed-off-by: Javier Lopez <jlopex@cozybit.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Commit "mac80211: implement SMPS for AP" applies to AP_VLAN as well.
It assumes that sta->sdata->vif.bss_conf.bssid is present, which did not
get set for AP_VLAN.
Initialize it to sdata->vif.addr like for other interface types.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Coverity pointed out that we might dereference NULL later
if nla_nest_start() returns a failure. This isn't really
true since we'd bomb out before, but we should check the
return value directly, so do that.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Coverity pointed out that in the (practically impossible)
error case we leak the message - fix this.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Coverity pointed out that in a few functions we don't
check the return value of the nla_put_*() calls. Most
of these are fairly harmless because the input isn't
very dynamic and controlled by the kernel, but the
pattern is simply wrong, so fix this.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When changing cfg80211 to use RTNL locking, this caused a
deadlock in mac80211 as it calls cfg80211_sched_scan_stopped()
from a work item that's on a workqueue that is flushed with
the RTNL held.
Fix this by simply using schedule_work(), the work only needs
to finish running before the wiphy is unregistered, no other
synchronisation (e.g. with suspend) is really required since
for suspend userspace is already blocked anyway when we flush
the workqueue so will only pick up the event after resume.
Cc: stable@vger.kernel.org
Fixes: 5fe231e87372 ("cfg80211: vastly simplify locking")
Reported-and-tested-by: Eliad Peller <eliadx.peller@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Setup chandef for radar event correctly, before we
will clear this in ieee80211_dfs_cac_cancel() function.
Without this patch mac80211 will report wrong channel
width in case we will get radar event during active CAC.
Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Reviewed-by: Luis R. Rodriguez <mcgrof@do-not-panic.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The wext internal chandefs for ibss should be created using the
cfg80211_chandef_create() functions. Initializing fields manually is
error-prone.
Reported-by: Dirk Gouders <dirk@gouders.net>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The earlier addition of rt_tsft to struct hwsim_radiotap_hdr updated
only mac80211_hwsim_monitor_tx() to fill in the new field.
mac80211_hwsim_monitor_ack() did not set the rt_tsft field and as such,
leaked eight bytes of kernel memory to user space. In addition, the
resulting radiotap header is invalid since the field offsets do not
match. Fix these issues by defining a separate radiotap header structure
for the ACK frame case which does not use all the fields.
Signed-off-by: Jouni Malinen <j@w1.fi>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This reverts commit ee1f668136b2fb6640ee2d54c2a525ea41f98211.
The aformentioned commit added a check to allow
'iw wlan0 set power_save off' to work for mesh interfaces.
However, this is problematic because it also allows
'iw wlan0 set power_save on', which will crash in short order
because all of the subsequent code manipulates sdata->u.mgd.
The power-saving states for mesh interfaces can be manipulated
through the mesh config, e.g:
'iw wlan0 set mesh_param mesh_power_save=active' (which,
despite the name, actualy disables power saving since the
setting refers to the type of sleep the interface undergoes).
Cc: stable@vger.kernel.org
Fixes: ee1f668136b2 ("mac80211: allow disable power save in mesh")
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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For IBSS join if the requested SSID matches current SSID,
it returns without freeing the allocated beacon IE buffer.
Cc: <stable@vger.kernel.org> # 3.10+
Signed-off-by: Ujjal Roy <royujjal@gmail.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When building randconfigs with CONFIG_BCMA_DRIVER_GPIO=y, I get
drivers/built-in.o: In function `brcms_led_unregister':
(.text+0x351aca): undefined reference to `led_classdev_unregister'
drivers/built-in.o: In function `brcms_led_register':
(.text+0x351c65): undefined reference to `led_classdev_register'
during final linking stage because brcmsmac/led.c needs LEDS_CLASS for
registering/deregistering the led device. Select the required symbols.
Cc: Arend van Spriel <arend@broadcom.com>
Cc: "Rafał Miłecki" <zajec5@gmail.com>
Cc: <linux-wireless@vger.kernel.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Hariprasad Shenai says:
====================
Fixes T5 adapter init, due to incorrect FW version check
This patch series fixes, Chelsio T5 adapter initialization failure due to
incorrect firmware version check. This patch series modifies the firmware
flashing mechanism for T4/T5 adapter.
The patch series moves chip type from struct adapter to struct adapter_params.
It changes the references of chip type in cxgb4 and cxgb4vf drivers such that
build failure is avoided.
Patch 3/3 is dependent on patch 1/3
Patch 2/3 is also dependent on patch 1/3
We would like to request this patch series to get merged via David Miller's
'net' tree.
We have included all the maintainers of respective drivers. Kindly review the
change and let us know in case of any review comments.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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