| Commit message (Collapse) | Author | Age | Files | Lines |
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Pull networking updates from David Miller:
1) The addition of nftables. No longer will we need protocol aware
firewall filtering modules, it can all live in userspace.
At the core of nftables is a, for lack of a better term, virtual
machine that executes byte codes to inspect packet or metadata
(arriving interface index, etc.) and make verdict decisions.
Besides support for loading packet contents and comparing them, the
interpreter supports lookups in various datastructures as
fundamental operations. For example sets are supports, and
therefore one could create a set of whitelist IP address entries
which have ACCEPT verdicts attached to them, and use the appropriate
byte codes to do such lookups.
Since the interpreted code is composed in userspace, userspace can
do things like optimize things before giving it to the kernel.
Another major improvement is the capability of atomically updating
portions of the ruleset. In the existing netfilter implementation,
one has to update the entire rule set in order to make a change and
this is very expensive.
Userspace tools exist to create nftables rules using existing
netfilter rule sets, but both kernel implementations will need to
co-exist for quite some time as we transition from the old to the
new stuff.
Kudos to Patrick McHardy, Pablo Neira Ayuso, and others who have
worked so hard on this.
2) Daniel Borkmann and Hannes Frederic Sowa made several improvements
to our pseudo-random number generator, mostly used for things like
UDP port randomization and netfitler, amongst other things.
In particular the taus88 generater is updated to taus113, and test
cases are added.
3) Support 64-bit rates in HTB and TBF schedulers, from Eric Dumazet
and Yang Yingliang.
4) Add support for new 577xx tigon3 chips to tg3 driver, from Nithin
Sujir.
5) Fix two fatal flaws in TCP dynamic right sizing, from Eric Dumazet,
Neal Cardwell, and Yuchung Cheng.
6) Allow IP_TOS and IP_TTL to be specified in sendmsg() ancillary
control message data, much like other socket option attributes.
From Francesco Fusco.
7) Allow applications to specify a cap on the rate computed
automatically by the kernel for pacing flows, via a new
SO_MAX_PACING_RATE socket option. From Eric Dumazet.
8) Make the initial autotuned send buffer sizing in TCP more closely
reflect actual needs, from Eric Dumazet.
9) Currently early socket demux only happens for TCP sockets, but we
can do it for connected UDP sockets too. Implementation from Shawn
Bohrer.
10) Refactor inet socket demux with the goal of improving hash demux
performance for listening sockets. With the main goals being able
to use RCU lookups on even request sockets, and eliminating the
listening lock contention. From Eric Dumazet.
11) The bonding layer has many demuxes in it's fast path, and an RCU
conversion was started back in 3.11, several changes here extend the
RCU usage to even more locations. From Ding Tianhong and Wang
Yufen, based upon suggestions by Nikolay Aleksandrov and Veaceslav
Falico.
12) Allow stackability of segmentation offloads to, in particular, allow
segmentation offloading over tunnels. From Eric Dumazet.
13) Significantly improve the handling of secret keys we input into the
various hash functions in the inet hashtables, TCP fast open, as
well as syncookies. From Hannes Frederic Sowa. The key fundamental
operation is "net_get_random_once()" which uses static keys.
Hannes even extended this to ipv4/ipv6 fragmentation handling and
our generic flow dissector.
14) The generic driver layer takes care now to set the driver data to
NULL on device removal, so it's no longer necessary for drivers to
explicitly set it to NULL any more. Many drivers have been cleaned
up in this way, from Jingoo Han.
15) Add a BPF based packet scheduler classifier, from Daniel Borkmann.
16) Improve CRC32 interfaces and generic SKB checksum iterators so that
SCTP's checksumming can more cleanly be handled. Also from Daniel
Borkmann.
17) Add a new PMTU discovery mode, IP_PMTUDISC_INTERFACE, which forces
using the interface MTU value. This helps avoid PMTU attacks,
particularly on DNS servers. From Hannes Frederic Sowa.
18) Use generic XPS for transmit queue steering rather than internal
(re-)implementation in virtio-net. From Jason Wang.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1622 commits)
random32: add test cases for taus113 implementation
random32: upgrade taus88 generator to taus113 from errata paper
random32: move rnd_state to linux/random.h
random32: add prandom_reseed_late() and call when nonblocking pool becomes initialized
random32: add periodic reseeding
random32: fix off-by-one in seeding requirement
PHY: Add RTL8201CP phy_driver to realtek
xtsonic: add missing platform_set_drvdata() in xtsonic_probe()
macmace: add missing platform_set_drvdata() in mace_probe()
ethernet/arc/arc_emac: add missing platform_set_drvdata() in arc_emac_probe()
ipv6: protect for_each_sk_fl_rcu in mem_check with rcu_read_lock_bh
vlan: Implement vlan_dev_get_egress_qos_mask as an inline.
ixgbe: add warning when max_vfs is out of range.
igb: Update link modes display in ethtool
netfilter: push reasm skb through instead of original frag skbs
ip6_output: fragment outgoing reassembled skb properly
MAINTAINERS: mv643xx_eth: take over maintainership from Lennart
net_sched: tbf: support of 64bit rates
ixgbe: deleting dfwd stations out of order can cause null ptr deref
ixgbe: fix build err, num_rx_queues is only available with CONFIG_RPS
...
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Add RTL8201CP phy_driver.
Signed-off-by: Jonas Jensen <jonas.jensen@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add missing platform_set_drvdata() in xtsonic_probe(), otherwise
calling platform_get_drvdata() in xtsonic_device_remove() may
returns NULL.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add missing platform_set_drvdata() in mace_probe(), otherwise
calling platform_get_drvdata() in mac_mace_device_remove() may
returns NULL.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add missing platform_set_drvdata() in arc_emac_probe(), otherwise
calling platform_get_drvdata() in arc_emac_remove() may returns NULL.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The max_vfs parameter has a limit of 63 and silently fails (adding 0 vfs) when
it is out of range. This patch adds a warning so that the user knows something
went wrong. Also, this patch moves the warning in ixgbe_enable_sriov() to where
max_vfs is checked, so that even an out of range value will show the deprecated
warning. Previously, an out of range parameter didn't even warn the user to use
the new sysfs interface instead.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes multiple problems in the link modes display in ethtool.
Newer parts have more complicated methods to determine actual link
capabilities. Older parts cannot communicate with their SFP modules.
Finally, all the available defines are not displayed by ethtool. This
updates the link modes to be as accurate as possible depending on what data
is available to the driver at any given time.
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>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The number of stations in use is kept in the num_rx_pools counter
in the ixgbe_adapter structure. This is in turn used by the queue
allocation scheme to determine how many queues are needed to support
the number of pools in use with the current feature set.
This works as long as the pools are added and destroyed in order
because (num_rx_pools * queues_per_pool) is equal to the last
queue in use by a pool. But as soon as you delete a pool out of
order this is no longer the case. So the above multiplication
allocates to few queues and a pool may reference a ring that has
not been allocated/initialized.
To resolve use the bit mask of in use pools to determine the final
pool being used and allocate enough queues so that we don't
inadvertently remove its queues.
# ip link add link eth2 \
numtxqueues 4 numrxqueues 4 txqueuelen 50 type macvlan
# ip link set dev macvlan0 up
# ip link add link eth2 \
numtxqueues 4 numrxqueues 4 txqueuelen 50 type macvlan
# ip link set dev macvlan1 up
# for i in {0..100}; do
ip link set dev macvlan0 down; ip link set dev macvlan0 up;
done;
Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In the recent support for layer 2 hardware acceleration, I added a
few references to real_num_rx_queues and num_rx_queues which are
only available with CONFIG_RPS.
The fix is first to remove unnecessary references to num_rx_queues.
Because the hardware offload case is limited to cases where RX queues
and TX queues are equal we only need a single check. Then wrap the
single case in an ifdef.
The patch that introduce this is here,
commit a6cc0cfa72e0b6d9f2c8fd858aacc32313c4f272
Author: John Fastabend <john.r.fastabend@intel.com>
Date: Wed Nov 6 09:54:46 2013 -0800
net: Add layer 2 hardware acceleration operations for macvlan devices
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Tested in VLAB Works Xtensa simulation.
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
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
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Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next
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Putting the context id of the primary phy context in
the placeholder of the secondary is obviously a bad
idea.
Spotted by smatch.
Fixes: dac94da8dba3 ("iwlwifi: mvm: new BT Coex API")
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Reported by "make includecheck"
Tested that the corresponding sources still compile well on x86
Signed-off-by: Michael Opdenacker <michael.opdenacker@free-electrons.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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If the firmware image that we attempt to load doesn't
actually exist we have a broken firmware file or other
code not checking things correctly, so warn in such a
case. Also avoid assigning cur_ucode/ucode_loaded then.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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When writing the disable_power_off value, the LPRX
enable value also gets written unintentionally, so
fix that by adding the missing break statement.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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This can be useful when using the device as a sniffer.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Having a WARN_ON() followed by a printed message is
less useful than having the message in the warning
so move the message.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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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.
This avoids:
[ 4481.476246] BUG: unable to handle kernel NULL pointer dereference at 00000045
[ 4481.479521] IP: [<f8416a6a>] iwl_mvm_bt_coex_reduced_txp+0x7a/0x190 [iwlmvm]
[ 4481.482023] *pde = 00000000
[ 4481.484332] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC
[ 4481.486897] Modules linked in: netconsole configfs autofs4 rfcomm(O) bnep(O) nfsd nfs_acl auth_rpcgss exportfs nfs lockd binfmt_misc sunrpc fscache arc4 iwlmvm(O) mac80211(O) btusb(O) iwlwifi(O) bluetooth(O) cfg80211(O) snd_hda_codec_hdmi coretemp dell_wmi snd_hda_codec_idt compat(O) dell_laptop aesni_intel i915 sparse_keymap dcdbas cryptd psmouse serio_raw aes_i586 microcode snd_hda_intel drm_kms_helper snd_hda_codec drm snd_pcm snd_timer i2c_algo_bit video intel_agp intel_gtt snd soundcore snd_page_alloc crc32c_intel ahci sdhci_pci libahci sdhci mmc_core e1000e xhci_hcd [last unloaded: configfs]
[ 4481.502983]
[ 4481.505599] Pid: 6507, comm: kworker/0:1 Tainted: G O 3.4.43-dev #1 Dell Inc. Latitude E6430/0CMDYV
[ 4481.508575] EIP: 0060:[<f8416a6a>] EFLAGS: 00010246 CPU: 0
[ 4481.511248] EIP is at iwl_mvm_bt_coex_reduced_txp+0x7a/0x190 [iwlmvm]
[ 4481.513947] EAX: ffffffea EBX: 00000002 ECX: 00000001 EDX: 00000001
[ 4481.516710] ESI: ec6f0f28 EDI: 00000000 EBP: e8175dfc ESP: e8175d9c
[ 4481.519445] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[ 4481.522185] CR0: 8005003b CR2: 00000045 CR3: 01a5e000 CR4: 001407d0
[ 4481.524950] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 4481.527768] DR6: ffff0ff0 DR7: 00000400
[ 4481.530565] Process kworker/0:1 (pid: 6507, ti=e8174000 task=e8032b20 task.ti=e8174000)
[ 4481.533447] Stack:
[ 4481.536379] e472439f 00003a12 e8032b20 e8033048 00000001 e8175ddc 00000246 e8033040
[ 4481.540132] 00000002 01814990 ec4d1ddc e8175dcc 00000000 00000000 00000000 00000000
[ 4481.543867] 00000000 00000000 00000001 000001c8 009b0002 ec4d1ddc ec6f0f28 00000000
[ 4481.547633] Call Trace:
[ 4481.550578] [<f8418027>] iwl_mvm_bt_rssi_event+0x197/0x220 [iwlmvm]
[ 4481.553537] [<f840919c>] iwl_mvm_stat_iterator+0xdc/0x240 [iwlmvm]
[ 4481.556582] [<f8d129c2>] __iterate_active_interfaces+0xe2/0x1f0 [mac80211]
[ 4481.559544] [<f84090c0>] ? iwl_mvm_update_smps+0x90/0x90 [iwlmvm]
[ 4481.562519] [<f84090c0>] ? iwl_mvm_update_smps+0x90/0x90 [iwlmvm]
[ 4481.565498] [<f8d12b0c>] ieee80211_iterate_active_interfaces+0x3c/0x50 [mac80211]
[ 4481.568421] [<f8409b43>] iwl_mvm_rx_statistics+0xb3/0x130 [iwlmvm]
[ 4481.571349] [<f8405431>] iwl_mvm_async_handlers_wk+0xc1/0xf0 [iwlmvm]
[ 4481.574251] [<c1052915>] ? process_one_work+0x105/0x5c0
[ 4481.577162] [<c1052991>] process_one_work+0x181/0x5c0
[ 4481.580025] [<c1052915>] ? process_one_work+0x105/0x5c0
[ 4481.582861] [<f8405370>] ? iwl_mvm_rx_fw_logs+0x20/0x20 [iwlmvm]
[ 4481.585722] [<c10530f1>] worker_thread+0x121/0x2c0
[ 4481.588536] [<c1052fd0>] ? rescuer_thread+0x1d0/0x1d0
[ 4481.591323] [<c105af0d>] kthread+0x7d/0x90
[ 4481.594059] [<c105ae90>] ? flush_kthread_worker+0x120/0x120
[ 4481.596868] [<c15b7cc2>] kernel_thread_helper+0x6/0x10
[ 4481.599605] Code: 9d de c3 c8 85 c0 74 0d 80 3d f8 ae 42 f8 00 0f 84 dc 00 00 00 8b 45 c8 0f b6 d3 31 ff 89 55 c0 8b 84 90 d8 03 00 00 0f b6 55 c7 <38> 50 5b 89 45 bc 0f 84 a8 00 00 00 a1 e4 d2 04 c2 85 c0 0f 84
[ 4481.611782] EIP: [<f8416a6a>] iwl_mvm_bt_coex_reduced_txp+0x7a/0x190 [iwlmvm] SS:ESP 0068:e8175d9c
[ 4481.614985] CR2: 0000000000000045
[ 4481.687441] ---[ end trace b11bc915fbac4412 ]---
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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The number of commands can never be negative, so it should
be using an unsigned type. This also shuts up an smatch
warning elsewhere in the code.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Change old UAPSD bit to PM_CMD_SUPPORT, and add a new bit to indicate
real UAPSD support.
Don't use UAPSD when the firmware doesn't support it.
Signed-off-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/luca/wl12xx
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In order to reconfigure the correct reg domain on
recovery, we have to save the current configuration
before clearing it (wl->reg_ch_conf_pending is
considered before configuring a new regdomain).
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
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wlcore configures different dwell times according to number
of active interfaces (in order to prevent hurting VO during
scan).
However, determining active vif only according to
bss_conf->idle is not explicit enough, and might result
in non-started vifs being counted as started as well
(e.g. unassociated sta during sta).
Fix it by checking for explicit conditions according
to the vif type.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
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Make sure the FW is awake when entering recovery. This is useful for
reading the FW panic log and also some FW registers giving us crash
report stats.
We must do this before interrupts are disabled since we rely on an
interrupt to complete the wakeup.
If the wakeup fails, continue recovery normally. All read/writes will be
blocked and won't do any harm.
Signed-off-by: Barak Bercovitz <barak@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
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The FW panic log is read during recovery work.
It has to be stopped properly before reading. otherwise,
inconsistent data might be read which cause the driver
to freeze.
__wlcore_cmd_send has to work for the special case of
CMD_STOP_FWLOGGER, while in recovery, in order to stop
the fw log before it is read.
Signed-off-by: Barak Bercovitz <barak@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
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Reading FW panic log is only supported in host mode (SDIO)
Signed-off-by: Barak Bercovitz <barak@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
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FW memory block size and FW log end marker parameters
are added to wl structure and are initialized per
chip architecture.
convert_hwaddr hw operation is added to convert chip
dependent FW internal address.
Copy from FW log is also simplified to copy the entire
memory block as FW logger utility is repsponsible
for parsing of FW log content.
Signed-off-by: Igal Chernobelsky <igalc@ti.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
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update the fw logger mode to continuous, and output to dbgpins (uart).
Signed-off-by: Ido Reis <idor@ti.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
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number of fwlog mem_blocks can be configured using module param.
this is a fw debug feature: in case a large fw log data is busrted during
a short period of time, the memory get filled and data is lost.
this allows us to dynamicly set the fw log mem_block usage, although
configuring more mem_block for logger comes at the expense of TP.
Signed-off-by: Yair Shapira <yair.shapira@ti.com>
Signed-off-by: Ido Reis <idor@ti.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
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Change interrogate command prototype to have command size
and returned buffer length.
This fixes the issue when command parameters are needed to
be passed to FW in addition to acx header as in the case with
get RSSI command, where role_id has to be passed.
Signed-off-by: Igal Chernobelsky <igalc@ti.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
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Add new ap_event_mask field, to indicate events that
should be unmasked only when there's an ap interface.
This is done in order to avoid spurious wakeups
when we don't care about the incoming event anyway.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
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Print current active channel/s and a role type for
that channel in the driver_state debugfs.
Signed-off-by: Victor Goldenshtein <victorg@ti.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
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Driver default config is aligned with phy default parameters.
Now that RDL1_3 has 2 antennas defined by default we need to explicitly
define ht.mode to HT_MODE_WIDE to have SISO40 as default.
Signed-off-by: Yair Shapira <yair.shapira@ti.com>
Signed-off-by: Igal Chernobelsky <igalc@ti.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Conflicts:
net/wireless/reg.c
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mac80211_hwsim canceled beacon_timer on any vif changing from enabled
to disabled beaconing. This breaks cases where there are multiple
beaconing vifs and only one of them is removed. Fix this by tracking
beaconing status per vif and disable beacon_timer only if no active vif
remain with beaconing enabled.
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Changing MTU size of an xgmac network interface while it is active can
cause a panic like
skbuff: skb_over_panic: text:c03bc62c len:1090 put:1090 head:edfb6900 data:edfb6942 tail:0xedfb6d84 end:0xedfb6bc0 dev:eth0
------------[ cut here ]------------
kernel BUG at net/core/skbuff.c:126!
Internal error: Oops - BUG: 0 [#1] SMP ARM
Modules linked in:
CPU: 0 PID: 762 Comm: python Tainted: G W 3.10.0-00015-g3e33cd7 #309
task: edcfe000 ti: ed67e000 task.ti: ed67e000
PC is at skb_panic+0x64/0x70
LR is at wake_up_klogd+0x5c/0x68
This happens because xgmac_change_mtu modifies dev->mtu before the
network interface is quiesced. And thus there still might be buffers
in use which have a buffer size based on the old MTU.
To fix this I moved the change of dev->mtu after the call to
xgmac_stop.
Another modification is required (in xgmac_stop) to ensure that
xgmac_xmit is really not called anymore (xgmac_tx_complete might wake
up the queue again).
I've tested the fix by switching MTU size every second between 600 and
1500 while network traffic was going on. The test box survived a test
of several hours (until I've stopped it) whereas w/o this fix above
panic occurs after several minutes (at most).
Change since v1:
- remove call to netif_stop_queue at beginning of xgmac_stop
- use netif_tx_disable instead of locking+netif_stop_queue
Signed-off-by: Andreas Herrmann <andreas.herrmann@calxeda.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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For each RX/TX ring and its CQ, allocation is done on a NUMA node that
corresponds to the core that the data structure should operate on.
The assumption is that the core number is reflected by the ring index.
The affected allocations are the ring/CQ data structures,
the TX/RX info and the shared HW/SW buffer.
For TX rings, each core has rings of all UPs.
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.com>
Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com>
Reviewed-by: Hadar Hen Zion <hadarh@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is done to optimize FW/HW access to host memory.
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.com>
Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com>
Reviewed-by: Hadar Hen Zion <hadarh@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently all TX/RX rings and completion queues are part of the
netdev priv structure and are allocated statically. This patch
will change the priv to hold only arrays of pointers and therefore
all TX/RX rings and completetion queues will be allocated
dynamically. This is in preparation for NUMA aware allocations.
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.com>
Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com>
Reviewed-by: Hadar Hen Zion <hadarh@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allow immediate activate of VGT->VST and VST->VGT transitions, without
the need of rebinding in mlx4_master_immediate_activate_vlan_qos().
Also in struct res_qp: add qp parameters (vlan_index,fvl,vlan_cntrol..)
to the saved set, in order to restore when move to VGT.
- Clear at mlx4_RST2INIT_QP_wrapper()
- Save at mlx4_INIT2RTR_QP_wrapper()
- Restore at mlx4_vf_immed_vlan_work_handler()
Update mlx4_vf_immed_vlan_work_handler() to support VGT.
Signed-off-by: Rony Efraim <ronye@mellanox.com>
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Reviewed-by: Hadar Hen Zion <hadarh@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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To guarantee that all unused fields in all FW commands for both inboxes
and outboxes are zeroed out, initialize the mailbox buffer to all zeroes.
This is especially important for SRIOV comm-channel virtual commands
(such as QUERY_FUNC_CAP), where if new fields are added to support new
features, the driver can depend on older kernels passing zeroes in these
fields.
In addition to zeroing out the mailbox buffer at allocation time, all
(now unnecessary) calls to memset by the callers of
mlx4_alloc_cmd_mailbox() are removed.
Signed-off-by: Majd Dibbiny <majd@mellanox.com>
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Modify RFS code to support applying filters for incoming UDP streams.
Signed-off-by: Eyal Perry <eyalpe@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Now that l2 acceleration ops are in place from the prior patch,
enable ixgbe to take advantage of these operations. Allow it to
allocate queues for a macvlan so that when we transmit a frame,
we can do the switching in hardware inside the ixgbe card, rather
than in software.
Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
CC: Andy Gospodarek <andy@greyhouse.net>
CC: "David S. Miller" <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a operations structure that allows a network interface to export
the fact that it supports package forwarding in hardware between
physical interfaces and other mac layer devices assigned to it (such
as macvlans). This operaions structure can be used by virtual mac
devices to bypass software switching so that forwarding can be done
in hardware more efficiently.
Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
CC: Andy Gospodarek <andy@greyhouse.net>
CC: "David S. Miller" <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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timecounter_init() was was called only after first potential
timecounter_read().
Moved mlx4_en_init_timestamp() before mlx4_en_init_netdev()
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If build_skb fails the memory associated with the ring buffer is freed but
the ri->data member is not zeroed in this case. This causes a double-free
of this memory in tg3_free_rings->... path. The patch moves this block after
setting ri->data to NULL.
It would be nice to fix this bug also in stable >= v3.4 trees.
Cc: Nithin Nayak Sujir <nsujir@broadcom.com>
Cc: Michael Chan <mchan@broadcom.com>
Signed-off-by: Ivan Vecera <ivecera@redhat.com>
Acked-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The MOXA UC-711X hardware(s) has an ethernet controller that seem
to be developed internally. The IC used is "RTL8201CP".
This patch adds an MDIO driver which handles the MII bus.
Signed-off-by: Jonas Jensen <jonas.jensen@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch aims to extend round-robin mode with a new option called
packets_per_slave which can have the following values and effects:
0 - choose a random slave
1 (default) - standard round-robin, 1 packet per slave
>1 - round-robin when >1 packets have been transmitted per slave
The allowed values are between 0 and 65535.
This patch also fixes the comment style in bond_xmit_roundrobin().
Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Acked-by: Veaceslav Falico <vfalico@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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