| Commit message (Collapse) | Author | Age |
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efx_mcdi_rpc_start() returns a negative value on error or zero on
success. However one caller that can't properly handle failure then
does WARN_ON(rc > 0). Change it to WARN_ON(rc < 0).
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
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Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
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Receiving pause frames can block TX queue flushes. Earlier changes
work around this by reconfiguring the MAC during flushes for VFs, but
during flushes for the PF we would only change the fc_disable counter.
Unless the MAC is reconfigured for some other reason during the flush
(which I would not expect to happen) this had no effect at all.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
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Add necessary cast when setting a bogus checksum.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
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sparse has got a bit more picky since I last ran it over this. Add
forced casts for use of ~0 as a big-endian value. Undo the pointless
optimisation of parameter validation with '|'; using '||' avoids these
warnings.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-next
Jeff Kirsher says:
====================
This series contains updates to ixgbe, igb and e1000e. Majority of the
changes are against igb.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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This change makes it so that only the first fragment in a series of fragments
will have the L4 header pulled. Previously we were always pulling the L4
header as well and in the case of UDP this can harm performance since only the
first fragment will have the header, the rest just contain data which should
be left in the paged portion of the packet.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Stephen Ko <stephen.s.ko@intel.com>
Tested-by: Marcus Dennis <marcusx.e.dennis@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Update comments to conform to the preferred style for networking code as
described in ./Documentation/CodingStyle and checked for in the recently
added checkpatch NETWORKING_BLOCK_COMMENT_STYLE test.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch enables flow control to be set in SerDes autoneg mode. This is
done the way it is done for copper, but relies on a different set of register/bit
checks since this is all done within the MAC registers.
Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch unsets the sigdetect bit for SERDES loopback tests on 82580 and
i350 parts. The loopback test can fail on these parts without this
setting.
Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Due to a hw errata, the global device reset doesn't always work on 82580
devices. This patch works around the problem not trying to do a global
device reset on these devices.
Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch refactors the functions in e1000_i210.c in order to remove need
for prototypes.
Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch allows software acquires and releases NVM resource for
writing each EEPROM page, instead of holding semaphore for the whole
data block which is too long and could trigger write fails on
unpredictable addresses.
Signed-off-by: Akeem G Abodunrin <akeem.g.abodunrin@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The i211 has an integrated secure space to store configuration information that is
usually stored in an EEPROM or flash type device. This patch updates the
read functions to return values or appropriate error codes to prevent
unnecessary init failures on some configuration schemes.
Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch replaces calls to copy_to_user, copy_from_user, and the associated
logic, with calls to simple_read_from_buffer and simple_write_to_buffer
respectively. This was done to eliminate warnings generated by the Smatch
static analysis tool.
v2- Fix return values based community feedback
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
CC: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Josh Hay <joshua.a.hay@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This message indicates an error returned from the host when changing MAC address.
Reported-by: Michal Kubecek <mkubecek@suse.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Reviewed-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Unlike LRO, GRO requires that vlan tags be removed before
aggregation can occur. Since the myri10ge NIC does not support
hardware vlan tag offload, we must remove the tag in the driver
to achieve performance comparable to LRO for vlan tagged frames.
Thanks to Eric Duzamet for his help simplifying the original patch.
Signed-off-by: Andrew Gallatin <gallatin@myri.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Convert myri10ge from LRO to GRO, and simplify the driver by removing
various LRO-related code which is no longer needed including
ndo_fix_features op, custom skb building from frags, and LRO
header parsing.
Signed-off-by: Andrew Gallatin <gallatin@myri.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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These macros, while reducing the amount of code, hide flow control
and make the code more confusing to follow and review. This patch
expands them. It should have no functional effect on the driver.
Signed-off-by: Steve Glendinning <steve.glendinning@shawell.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes a bug introduced in bbd9f9e which could prevent
some wakeups from working correctly if multiple wol options were
selected.
This helper function calculates a 16-bit crc and shifts it into
either the high or low 16 bits of a u32 so the caller can or it
directly into place. The function previously had a u16 return
type so would always have returned zero when filter was odd.
Signed-off-by: Steve Glendinning <steve.glendinning@shawell.net>
Reported-by: Bjorn Mork <bjorn@mork.no>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As pointed out by Bjorn Mork, the generic "usb" driver sets this
for us so no need to directly set it in this driver.
Signed-off-by: Steve Glendinning <steve.glendinning@shawell.net>
Cc: Bjorn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch ensures that if we fail to suspend the LAN9500 device
we call usbnet_resume before returning failure, instead of
leaving the usbnet driver in an unusable state.
Signed-off-by: Steve Glendinning <steve.glendinning@shawell.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes a buffer overflow introduced by bbd9f9e, where
the filter_mask array is accessed beyond its bounds.
Updated to also add a check for kzalloc failure, as reported by
Bjorn Mork and Joe Perches.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Steve Glendinning <steve.glendinning@shawell.net>
Cc: Bjorn Mork <bjorn@mork.no>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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These macros, while reducing the amount of code, hide flow control
and make the code more confusing to follow and review. This patch
expands them. It should have no functional effect on the driver.
Signed-off-by: Steve Glendinning <steve.glendinning@shawell.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If usbnet_suspend returns an error we don't want to call
usbnet_resume to clean up, but instead just return the error.
If usbnet_suspend *does* succeed, and we have a problem further
on, the desired behaviour is still to call usbnet_resume
to clean up before returning.
Signed-off-by: Steve Glendinning <steve.glendinning@shawell.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch removes an unused parameter (src_net) from rtnl_create_link()
method and from the method single invocation, in veth.
This parameter was used in the past when calling
ops->get_tx_queues(src_net, tb) in rtnl_create_link().
The get_tx_queues() member of rtnl_link_ops was replaced by two methods,
get_num_tx_queues() and get_num_rx_queues(), which do not get any
parameter. This was done in commit d40156aa5ecbd51fed932ed4813df82b56e5ff4d by
Jiri Pirko ("rtnl: allow to specify different num for rx and tx queue count").
Signed-off-by: Rami Rosen <ramirose@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Marc Kleine-Budde says:
====================
this pull request is for net-next/master. There is a patch by Alexander
Stein fixing a reference counter problem which can make driver
unloading impossible (stable Cc'ed). And several patches by me which
remove an obsolete mechanism from several drivers, which is already
handled at the infrastructure level.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The variable open_time in the struct peak_usb_device was used to protect
peak_usb_set_mode() only to be called, if the interface is up. Now the CAN
device infrastructure takes care of this.
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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The variable open_time in the struct esd_usb2_net_priv was used to protect
esd_usb2_set_mode() only to be called, if the interface is up. Now the CAN
device infrastructure takes care of this.
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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The variable open_time in the struct ems_usb was used to protect
ems_usb_set_mode() only to be called, if the interface is up. Now the CAN
device infrastructure takes care of this.
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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The variable open_time in the struct sja1000_priv was used to protect
sja1000_set_mode() only to be called, if the interface is up. Now the CAN
device infrastructure takes care of this.
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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The variable open_time in the struct mscan_priv was used to protect
mscan_do_set_mode() only to be called, if the interface is up. Now the CAN
device infrastructure takes care of this.
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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If the restart timer is running due to BUS-OFF and the device is
disconnected an dev_put will decrease the usage counter to -1 thus
blocking the interface removal, resulting in the following dmesg
lines repeating every 10s:
can: notifier: receive list not found for dev can0
can: notifier: receive list not found for dev can0
can: notifier: receive list not found for dev can0
unregister_netdevice: waiting for can0 to become free. Usage count = -1
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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Bonding in balance-alb mode records information from ARP packets
passing through the bond in a hash table (rx_hashtbl).
At certain situations (e.g. link change of a slave),
rlb_update_rx_clients() will send out ARP packets to update ARP
caches of other hosts on the network to achieve RX load
balancing.
The problem is that once an IP address is recorded in the hash
table, it stays there indefinitely. If this IP address is
migrated to a different host in the network, bonding still sends
out ARP packets that poison other systems' ARP caches with
invalid information.
This patch solves this by looking at all incoming ARP packets,
and checking if the source IP address is one of the source
addresses stored in the rx_hashtbl. If it is, but the MAC
addresses differ, the corresponding hash table entries are
removed. Thus, when an IP address is migrated, the first ARP
broadcast by its new owner will purge the offending entries of
rx_hashtbl.
The hash table is hashed by ip_dst. To be able to do the above
check efficiently (not walking the whole hash table), we need a
reverse mapping (by ip_src).
I added three new members in struct rlb_client_info:
rx_hashtbl[x].src_first will point to the start of a list of
entries for which hash(ip_src) == x.
The list is linked with src_next and src_prev.
When an incoming ARP packet arrives at rlb_arp_recv()
rlb_purge_src_ip() can quickly walk only the entries on the
corresponding lists, i.e. the entries that are likely to contain
the offending IP address.
To avoid confusion, I renamed these existing fields of struct
rlb_client_info:
next -> used_next
prev -> used_prev
rx_hashtbl_head -> rx_hashtbl_used_head
(The current linked list is _not_ a list of hash table
entries with colliding ip_dst. It's a list of entries that are
being used; its purpose is to avoid walking the whole hash table
when looking for used entries.)
Signed-off-by: Jiri Bohac <jbohac@suse.cz>
Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Do not modify or load balance ARP packets passing through balance-alb
mode (wherein the ARP did not originate locally, and arrived via a bridge).
Modifying pass-through ARP replies causes an incorrect MAC address
to be placed into the ARP packet, rendering peers unable to communicate
with the actual destination from which the ARP reply originated.
Load balancing pass-through ARP requests causes an entry to be
created for the peer in the rlb table, and bond_alb_monitor will
occasionally issue ARP updates to all peers in the table instrucing them
as to which MAC address they should communicate with; this occurs when
some event sets rx_ntt. In the bridged case, however, the MAC address
used for the update would be the MAC of the slave, not the actual source
MAC of the originating destination. This would render peers unable to
communicate with the destinations beyond the bridge.
Signed-off-by: Zheng Li <zheng.x.li@oracle.com>
Cc: Jay Vosburgh <fubar@us.ibm.com>
Cc: Andy Gospodarek <andy@greyhouse.net>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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CC drivers/net/ethernet/ti/cpsw.o
drivers/net/ethernet/ti/cpsw.c: In function 'cpsw_ndo_ioctl':
drivers/net/ethernet/ti/cpsw.c:881:20: warning: unused variable 'priv'
The build warning is generated when CPTS is not selected in Kernel Build.
Fixing by passing the net_device pointer to cpts IOCTL instead of passing priv
Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next
John W. Linville says:
====================
This pull request is intended for the 3.8 stream. It is a bit large
-- I guess Thanksgiving got me off track! At least the code got to
spend some time in linux-next... :-)
This includes the usual batch of pulls for Bluetooth, NFC, and mac80211
as well as iwlwifi. Also here is an ath6kl pull, and a new driver
in the rtlwifi family. The brcmfmac, brcmsmac, ath9k, and mwl8k get
their usual levels of attention, and a handful of other updates tag
along as well.
For more detail on the pulls, please see below...
On Bluetooth, Gustavo says:
"Another set of patches for integration in wireless-next. There are two big set
of changes in it: Andrei Emeltchenko and Mat Martineau added more patches
towards a full Bluetooth High Speed support and Johan Hedberg improve the
single mode support for Bluetooth dongles. Apart from that we have small fixes
and improvements."
...and:
"A few patches to 3.8. The majority of the work here is from Andrei on the High
Speed support. Other than that Johan added support for setting LE advertising
data. The rest are fixes and clean ups and small improvements like support for
a new broadcom hardware."
On mac80211, Johannes says:
"This is for mac80211, for -next (3.8). Plenty of changes, as you can see
below. Some fixes for previous changes like the export.h include, the
beacon listener fix from Ben Greear, etc. Overall, no exciting new
features, though hwsim does gain channel context support for people to
try it out and look at."
...and...:
"This one contains the mac80211-next material. Apart from a few small new
features and cleanups I have two fixes for the channel context code. The
RX_END timestamp support will probably be reworked again as Simon Barber
noted the calculations weren't really valid, but the discussions there
are still going on and it's better than what we had before."
...and:
"Please pull (see below) to get the following changes:
* a fix & a debug aid in IBSS from Antonio,
* mesh cleanups from Marco,
* a few bugfixes for some of my previous patches from Arend and myself,
* and the big initial VHT support patchset"
And on iwlwifi, Johannes says:
"In addition to the previous four patches that I'm not resending,
we have a number of cleanups, message reduction, firmware error
handling improvements (yes yes... we need to fix them instead)
and various other small things all over."
...and:
"In his quest to try to understand the current iwlwifi problems (like
stuck queues etc.) Emmanuel has first cleaned up the PCIe code, I'm
including his changes in this pull request. Other than that I only have
a small cleanup from Sachin Kamat to remove a duplicate include and a
bugfix to turn off MFP if software crypto is enabled, but this isn't
really interesting as MFP isn't supported right now anyway."
On NFC, Samuel says:
"With this one we have:
- A few HCI improvements in preparation for an upcoming HCI chipset support.
- A pn544 code cleanup after the old driver was removed.
- An LLCP improvement for notifying user space when one peer stops ACKing I
frames."
On ath6kl, Kalle says:
"Major changes this time are firmware recover support to gracefully
handle if firmware crashes, support for changing regulatory domain and
support for new ar6004 hardware revision 1.4. Otherwise there are just
smaller fixes or cleanups from different people."
Thats about it... :-) Please let me know if there are problems!
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem
Conflicts:
drivers/net/wireless/iwlwifi/pcie/tx.c
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The LMAC API states that the TSF clock value of
every rx'ed frame is a "usec accurate timestamp
of the hardware clock at the end of frame
(before OFDM SIFS EOF padding)".
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The vendor radiotap patch added a few fields to
struct ieee80211_rx_status that need to be zero,
initialize the struct instead of using whatever
was left on the stack.
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Tested-by: Kalle Valo <kvalo@adurom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The vendor radiotap patch added a few fields to
struct ieee80211_rx_status that need to be zero,
initialize the struct instead of using whatever
was left on the stack.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Adding __printf helps spot format and argument mismatches.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
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The frequencies will be printed when actually
doing the scan, and the IEs can be captured
on the hwsim0 monitor.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If the number of channels is > 1, which means that
hwsim will use mac80211 channel contexts, it can
also advertise VHT support.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Convert mac80211 (and where necessary, some drivers a
little bit) to the new channel definition struct.
This will allow extending mac80211 for VHT, which is
currently restricted to channel contexts since there
are no drivers using that which makes it easier. As
I also don't care about VHT for drivers not using the
channel context API, I won't convert the previous API
to VHT support.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Change nl80211 to support specifying a VHT (or HT)
using the control channel frequency (as before) and
new attributes for the channel width and first and
second center frequency. The old channel type is of
course still supported for HT.
Also change the cfg80211 channel definition struct
to support these by adding the relevant fields to
it (and removing the _type field.)
This also adds new helper functions:
- cfg80211_chandef_create to create a channel def
struct given the control channel and channel type,
- cfg80211_chandef_identical to check if two channel
definitions are identical
- cfg80211_chandef_compatible to check if the given
channel definitions are compatible, and return the
wider of the two
This isn't entirely complete, but that doesn't matter
until we have a driver using it. In particular, it's
missing
- regulatory checks on the usable bandwidth (if that
even makes sense)
- regulatory TX power (database can't deal with it)
- a proper channel compatibility calculation for the
new channel types
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Instead of passing a channel pointer and channel type
to all functions and driver methods, pass a new channel
definition struct. Right now, this struct contains just
the control channel and channel type, but for VHT this
will change.
Also, add a small inline cfg80211_get_chandef_type() so
that drivers don't need to use the _type field of the
new structure all the time, which will change.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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As mwifiex (and mac80211 in the software case) are the
only drivers actually implementing remain-on-channel
with channel type, userspace can't be relying on it.
This is the case, as it's used only for P2P operations
right now.
Rather than adding a flag to tell userspace whether or
not it can actually rely on it, simplify all the code
by removing the ability to use different channel types.
Leave only the validation of the attribute, so that if
we extend it again later (with the needed capability
flag), it can't break userspace sending invalid data.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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