Firmware's watchdog timer should be disabled as a part of reset
sequence. This change fixes a firmware hang issue observed during
stress tests.
Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com>
Signed-off-by: Siva Rebbagondla <siva.rebbagondla@redpinesignals.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
The issue here is that we allocate "data" and then set
"data = PTR_ALIGN(data, 8);" and then we free the aligned pointer
instead of the original pointer.
kmalloc() pointers are already ARCH_SLAB_MINALIGN aligned which is 8 or
more on everything except certain Xtensa variants. We decided that if
the Xtensa people ever notice a bug here then we'll tell them the bug is
on their side. ;)
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
To support roaming below changes are done:
* Station notify frame is send to firmware after sending assoc
request. This will avoid dropping of first EAPOL frame due to
delay in creation of station control block in firmware.
* Data queues are unblocked after sending station notify in open
mode, after configuring key in WEP mode, and after receiving
EAPOL4 confirm in WPA mode.
* Initial EAPOL frames priority is chaged to MGMT, rekey EAPOL
frames priority changed to VO.
Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com>
Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
80MHz clock for device should be enabled by default in
TX command frame radio capabilities.
Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com>
Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Descriptors preparation is moved to core instead of HAL to
avoid synchronization issues in sending TX frames
Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com>
Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
All descriptor structures are in rsi_mgmt.h except this
extended descriptor structure. Hence moving it to rsi_mgmt.h
and also renaming to rsi_xtend_desc.
Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com>
Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Trivial fix to spelling mistake in wiphy_warn warning message text
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
DFS offload support implemented:
- DFS_OFFLOAD feature is advertised depending on HW capabilities
- CAC_STARTED event forwarding from HW implemented
- start_radar_detection() callback now returning -ENOTSUPP
if DFS_OFFLOAD is enabled
Signed-off-by: Dmitry Lebed <dlebed@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* implement Traffic Condition Monitor;
* use TCM for scan and BT coex;
* use TCM to detect when the AP doesn't support UAPSD properly;
* some more work for the 22000 family of devices;
* introduce AMSDU rate control offload;
* a couple of clean-ups and bugfixes.
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Merge tag 'iwlwifi-next-for-kalle-2018-04-20' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next
iwlwifi patches for 4.18
* implement Traffic Condition Monitor;
* use TCM for scan and BT coex;
* use TCM to detect when the AP doesn't support UAPSD properly;
* some more work for the 22000 family of devices;
* introduce AMSDU rate control offload;
* a couple of clean-ups and bugfixes.
Fixes: 192dc405f3 ("selftests: net: add tcp_mmap program")
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Function dca_common_get_tag is local to the source and does not need to be
in global scope, so make it static.
Cleans up sparse warning:
drivers/dca/dca-core.c:273:4: warning: symbol 'dca_common_get_tag' was
not declared. Should it be static?
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
David Ahern says:
====================
net/ipv6: couple of fixes for rcu change to from
So many details... I am thankful for all the robots running the
permutations and tools.
Two bug fixes from the rcu change to rt->from:
1. missing rcu lock in ip6_negative_advice
2. rcu dereferences in 2 sites
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
kbuild test robot reported 2 uses of rt->from not properly accessed
using rcu_dereference:
1. add rcu_dereference_protected to rt6_remove_exception_rt and make
sure it is always called with rcu lock held.
2. change rt6_do_redirect to take a reference on 'from' when accessed
the first time so it can be used the sceond time outside of the lock
Fixes: a68886a691 ("net/ipv6: Make from in rt6_info rcu protected")
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Denis Bolotin says:
====================
Add configuration information to register dump and debug data
The purpose of this patchset is to add configuration information to the
debug data collection, which already contains register dump.
The first patch (removing the ptt) is essential because it prevents the
unnecessary ptt acquirement when calling mcp APIs.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Configuration information is added to the debug data collection, in
addition to register dump.
Added qed_dbg_nvm_image() that receives an image type, allocates a
buffer and reads the image. The images are saved in the buffers and the
dump size is updated.
Signed-off-by: Denis Bolotin <denis.bolotin@cavium.com>
Signed-off-by: Ariel Elior <ariel.elior@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since nvm images attributes are cached during driver load, acquiring ptt
is not needed when calling qed_mcp_get_nvm_image().
Signed-off-by: Denis Bolotin <denis.bolotin@cavium.com>
Signed-off-by: Ariel Elior <ariel.elior@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Move all the core version detection to a common place ("hwif.c") and
implement a table which can be used to lookup the correct callbacks for
each IP version.
This simplifies the initialization flow of each IP version and eases
future implementation of new IP versions.
Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: Vitor Soares <soares@synopsys.com>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
There's no benefit in using netif_info et al before the net_device has
been registered. We get messages like
r8169 0000:03:00.0 (unnamed net_device) (uninitialized): [message]
Therefore use dev_info/dev_err instead.
As a side effect we don't need parameter dev for function
rtl8169_get_mac_version() any longer.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
With sk_cookie we can identify a socket, that is very helpful for
traceing and statistic, i.e. tcp tracepiont and ebpf.
So we'd better init it by default for inet socket.
When using it, we just need call atomic64_read(&sk->sk_cookie).
Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Roopa Prabhu says:
====================
fib rules extack support
First patch refactors code to move fib rule netlink handling
into a common function. This became obvious when adding
duplicate extack msgs in add and del paths. Second patch
adds extack msgs.
v2 - Dropped the ip route get support and selftests from
the series to look at the input path some more (as pointed
out by ido). Will come back to that next week when i have
some time. resending just the extack part for now.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This reduces code duplication in the fib rule add and del paths.
Get rid of validate_rulemsg. This became obvious when adding duplicate
extack support in fib newrule/delrule error paths.
Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
tcp_rcv_space_adjust is called every time data is copied to user space,
introducing a tcp tracepoint for which could show us when the packet is
copied to user.
When a tcp packet arrives, tcp_rcv_established() will be called and with
the existed tracepoint tcp_probe we could get the time when this packet
arrives.
Then this packet will be copied to user, and tcp_rcv_space_adjust will
be called and with this new introduced tracepoint we could get the time
when this packet is copied to user.
With these two tracepoints, we could figure out whether the user program
processes this packet immediately or there's latency.
Hence in the printk message, sk_cookie is printed as a key to relate
tcp_rcv_space_adjust with tcp_probe.
Maybe we could export sockfd in this new tracepoint as well, then we
could relate this new tracepoint with epoll/read/recv* tracepoints, and
finally that could show us the whole lifespan of this packet. But we
could also implement that with pid as these functions are executed in
process context.
Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The conversion of rndis friendly name to utf8 uses a standard
kernel routine which is optional in config. Therefore build
would fail for some configurations. Resolve by selecting needed
library.
Fixes: 0fe554a46a ("hv_netvsc: propogate Hyper-V friendly name into interface alias")
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
David Ahern says:
====================
net/ipv6: Another followup to the fib6_info change
Last one - for this week.
Patches 1, 2 and 7 are more cleanup patches - removing dead code,
moving code from a header to near its single caller, and updating
function name.
Patches 3-5 do some refactoring leading up to patch 6 which fixes
a NULL dereference. I have only managed to trigger a panic once, so
I can not definitively confirm it addresses the problem but it seems
pretty clear that it is a race on removing a 'from' reference on
an rt6_info and another path using that 'from' value to do
cookie checking.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Dan reported an imbalance in fib6_check on use of f6i and checking
whether it is null. Since fib6_check is only called if f6i is non-null,
remove the unnecessary check.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When a dst entry is created from a fib entry, the 'from' in rt6_info
is set to the fib entry. The 'from' reference is used most notably for
cookie checking - making sure stale dst entries are updated if the
fib entry is changed.
When a fib entry is deleted, the pcpu routes on it are walked releasing
the fib6_info reference. This is needed for the fib6_info cleanup to
happen and to make sure all device references are released in a timely
manner.
There is a race window when a FIB entry is deleted and the 'from' on the
pcpu route is dropped and the pcpu route hits a cookie check. Handle
this race using rcu on from.
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
A later patch protects 'from' in rt6_info and this simplifies the
locking needed by it.
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
A later patch protects 'from' in rt6_info and this simplifies the
locking needed by it.
With the move, the fib6_info_hold for the uncached_rt is no longer
needed since the rcu_lock is still held.
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
rt6_get_cookie_safe takes a fib6_info and checks the sernum of
the node. Update the name to reflect its purpose.
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
rt6_clean_expires and rt6_set_expires are no longer used. Removed them.
rt6_update_expires has 1 caller in route.c, so move it from the header.
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Daniel Borkmann says:
====================
pull-request: bpf-next 2018-04-21
The following pull-request contains BPF updates for your *net-next* tree.
The main changes are:
1) Initial work on BPF Type Format (BTF) is added, which is a meta
data format which describes the data types of BPF programs / maps.
BTF has its roots from CTF (Compact C-Type format) with a number
of changes to it. First use case is to provide a generic pretty
print capability for BPF maps inspection, later work will also
add BTF to bpftool. pahole support to convert dwarf to BTF will
be upstreamed as well (https://github.com/iamkafai/pahole/tree/btf),
from Martin.
2) Add a new xdp_bpf_adjust_tail() BPF helper for XDP that allows
for changing the data_end pointer. Only shrinking is currently
supported which helps for crafting ICMP control messages. Minor
changes in drivers have been added where needed so they recalc
the packet's length also when data_end was adjusted, from Nikita.
3) Improve bpftool to make it easier to feed hex bytes via cmdline
for map operations, from Quentin.
4) Add support for various missing BPF prog types and attach types
that have been added to kernel recently but neither to bpftool
nor libbpf yet. Doc and bash completion updates have been added
as well for bpftool, from Andrey.
5) Proper fix for avoiding to leak info stored in frame data on page
reuse for the two bpf_xdp_adjust_{head,meta} helpers by disallowing
to move the pointers into struct xdp_frame area, from Jesper.
6) Follow-up compile fix from BTF in order to include stdbool.h in
libbpf, from Björn.
7) Few fixes in BPF sample code, that is, a typo on the netdevice
in a comment and fixup proper dump of XDP action code in the
tracepoint exception, from Wang and Jesper.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull thermal fixes from Eduardo Valentin:
"A couple of fixes for the thermal subsystem"
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal:
dt-bindings: thermal: Remove "cooling-{min|max}-level" properties
dt-bindings: thermal: remove no longer needed samsung thermal properties
- sdhci-pci: Fixup tuning for AMD for eMMC HS200 mode
- renesas_sdhi_internal_dmac: Avoid data corruption by limiting DMA RX
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Merge tag 'mmc-v4.17-3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
"A couple of MMC host fixes:
- sdhci-pci: Fixup tuning for AMD for eMMC HS200 mode
- renesas_sdhi_internal_dmac: Avoid data corruption by limiting
DMA RX"
* tag 'mmc-v4.17-3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: renesas_sdhi_internal_dmac: limit DMA RX for old SoCs
mmc: sdhci-pci: Only do AMD tuning for HS200
Pull MD fixes from Shaohua Li:
"Three small fixes for MD:
- md-cluster fix for faulty device from Guoqing
- writehint fix for writebehind IO for raid1 from Mariusz
- a live lock fix for interrupted recovery from Yufen"
* tag 'md/4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md:
raid1: copy write hint from master bio to behind bio
md/raid1: exit sync request if MD_RECOVERY_INTR is set
md-cluster: don't update recovery_offset for faulty device
In do_mount() when the MS_* flags are being converted to MNT_* flags,
MS_RDONLY got accidentally convered to SB_RDONLY.
Undo this change.
Fixes: e462ec50cb ("VFS: Differentiate mount flags (MS_*) from internal superblock flags")
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
AFS server records get removed from the net->fs_servers tree when
they're deleted, but not from the net->fs_addresses{4,6} lists, which
can lead to an oops in afs_find_server() when a server record has been
removed, for instance during rmmod.
Fix this by deleting the record from the by-address lists before posting
it for RCU destruction.
The reason this hasn't been noticed before is that the fileserver keeps
probing the local cache manager, thereby keeping the service record
alive, so the oops would only happen when a fileserver eventually gets
bored and stops pinging or if the module gets rmmod'd and a call comes
in from the fileserver during the window between the server records
being destroyed and the socket being closed.
The oops looks something like:
BUG: unable to handle kernel NULL pointer dereference at 000000000000001c
...
Workqueue: kafsd afs_process_async_call [kafs]
RIP: 0010:afs_find_server+0x271/0x36f [kafs]
...
Call Trace:
afs_deliver_cb_init_call_back_state3+0x1f2/0x21f [kafs]
afs_deliver_to_call+0x1ee/0x5e8 [kafs]
afs_process_async_call+0x5b/0xd0 [kafs]
process_one_work+0x2c2/0x504
worker_thread+0x1d4/0x2ac
kthread+0x11f/0x127
ret_from_fork+0x24/0x30
Fixes: d2ddc776a4 ("afs: Overhaul volume and server record caching and fileserver rotation")
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull networking fixes from David Miller:
1) Unbalanced refcounting in TIPC, from Jon Maloy.
2) Only allow TCP_MD5SIG to be set on sockets in close or listen state.
Once the connection is established it makes no sense to change this.
From Eric Dumazet.
3) Missing attribute validation in neigh_dump_table(), also from Eric
Dumazet.
4) Fix address comparisons in SCTP, from Xin Long.
5) Neigh proxy table clearing can deadlock, from Wolfgang Bumiller.
6) Fix tunnel refcounting in l2tp, from Guillaume Nault.
7) Fix double list insert in team driver, from Paolo Abeni.
8) af_vsock.ko module was accidently made unremovable, from Stefan
Hajnoczi.
9) Fix reference to freed llc_sap object in llc stack, from Cong Wang.
10) Don't assume netdevice struct is DMA'able memory in virtio_net
driver, from Michael S. Tsirkin.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (62 commits)
net/smc: fix shutdown in state SMC_LISTEN
bnxt_en: Fix memory fault in bnxt_ethtool_init()
virtio_net: sparse annotation fix
virtio_net: fix adding vids on big-endian
virtio_net: split out ctrl buffer
net: hns: Avoid action name truncation
docs: ip-sysctl.txt: fix name of some ipv6 variables
vmxnet3: fix incorrect dereference when rxvlan is disabled
llc: hold llc_sap before release_sock()
MAINTAINERS: Direct networking documentation changes to netdev
atm: iphase: fix spelling mistake: "Tansmit" -> "Transmit"
net: qmi_wwan: add Wistron Neweb D19Q1
net: caif: fix spelling mistake "UKNOWN" -> "UNKNOWN"
net: stmmac: Disable ACS Feature for GMAC >= 4
net: mvpp2: Fix DMA address mask size
net: change the comment of dev_mc_init
net: qualcomm: rmnet: Fix warning seen with fill_info
tun: fix vlan packet truncation
tipc: fix infinite loop when dumping link monitor summary
tipc: fix use-after-free in tipc_nametbl_stop
...
Pull vfs fixes from Al Viro:
"Assorted fixes.
Some of that is only a matter with fault injection (broken handling of
small allocation failure in various mount-related places), but the
last one is a root-triggerable stack overflow, and combined with
userns it gets really nasty ;-/"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
Don't leak MNT_INTERNAL away from internal mounts
mm,vmscan: Allow preallocating memory for register_shrinker().
rpc_pipefs: fix double-dput()
orangefs_kill_sb(): deal with allocation failures
jffs2_kill_sb(): deal with failed allocations
hypfs_kill_super(): deal with failed allocations
in the lower filesystem when filename encryption is enabled at the
eCryptfs layer.
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Merge tag 'ecryptfs-4.17-rc2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs
Pull eCryptfs fixes from Tyler Hicks:
"Minor cleanups and a bug fix to completely ignore unencrypted
filenames in the lower filesystem when filename encryption is enabled
at the eCryptfs layer"
* tag 'ecryptfs-4.17-rc2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs:
eCryptfs: don't pass up plaintext names when using filename encryption
ecryptfs: fix spelling mistake: "cadidate" -> "candidate"
ecryptfs: lookup: Don't check if mount_crypt_stat is NULL
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Merge tag 'for_v4.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
- isofs memory leak fix
- two fsnotify fixes of event mask handling
- udf fix of UTF-16 handling
- couple other smaller cleanups
* tag 'for_v4.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
udf: Fix leak of UTF-16 surrogates into encoded strings
fs: ext2: Adding new return type vm_fault_t
isofs: fix potential memory leak in mount option parsing
MAINTAINERS: add an entry for FSNOTIFY infrastructure
fsnotify: fix typo in a comment about mark->g_list
fsnotify: fix ignore mask logic in send_to_group()
isofs compress: Remove VLA usage
fs: quota: Replace GFP_ATOMIC with GFP_KERNEL in dquot_init
fanotify: fix logic of events on child
Pull HID updates from Jiri Kosina:
- suspend/resume handling fix for Raydium I2C-connected touchscreen
from Aaron Ma
- protocol fixup for certain BT-connected Wacoms from Aaron Armstrong
Skomra
- battery level reporting fix on BT-connected mice from Dmitry Torokhov
- hidraw race condition fix from Rodrigo Rivas Costa
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
HID: i2c-hid: fix inverted return value from i2c_hid_command()
HID: i2c-hid: Fix resume issue on Raydium touchscreen device
HID: wacom: bluetooth: send exit report for recent Bluetooth devices
HID: hidraw: Fix crash on HIDIOCGFEATURE with a destroyed device
HID: input: fix battery level reporting on BT mice
Pull livepatching fix from Jiri Kosina:
"Shadow variable API list_head initialization fix from Petr Mladek"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching:
livepatch: Allow to call a custom callback when freeing shadow variables
livepatch: Initialize shadow variables safely by a custom callback
Currently, the tun driver, in absence of an eBPF steering program,
always compute the rxhash in its rx path, even when such value
is later unused due to additional checks (
This changeset moves the all the related checks just before the
__skb_get_hash_symmetric(), so that the latter is no more computed
when unneeded.
Also replace an unneeded RCU section with rcu_access_pointer().
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In order to dump lan78xx family registers using ethtool, add
support at lan78xx driver level.
Signed-off-by: Raghuram Chary J <raghuramchary.jallipalli@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
