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This patch uses the queue utility helpers inside the xmit worker of
mac802154 subsystem.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch adds a new file net/mac802154/util.c which contains utility
functions for drivers, etc. This file contains functions to start and
stop queues for all virtual interfaces, this is useful for asynchronous
handling by driver level.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch removes the channel hopping feature before xmit. There are
several issues to provide a real channel hopping (timing requirements,
etc...).
We don't have any known kernelspace protocol which really use this
feature. And I don't know an real user of this feature.
We simply drop this feature now.
This patch removes also the hold of pib lock which isn't needed by any
real driver xmit callback implementation.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch introduce some new stack variables to avoid multiple
dereferencing inside the xmit worker function.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch removes the kmalloc allocation for workqueue data. This patch
replaces the kmalloc and uses the control block of skb. The control block
has enough space and isn't use by any other layer in this case.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch moves the netdev xmit callback functions into the tx.c file.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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percpu tcp_md5sig_pool contains memory blobs that ultimately
go through sg_set_buf().
-> sg_set_page(sg, virt_to_page(buf), buflen, offset_in_page(buf));
This requires that whole area is in a physically contiguous portion
of memory. And that @buf is not backed by vmalloc().
Given that alloc_percpu() can use vmalloc() areas, this does not
fit the requirements.
Replace alloc_percpu() by a static DEFINE_PER_CPU() as tcp_md5sig_pool
is small anyway, there is no gain to dynamically allocate it.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Fixes: 765cf9976e93 ("tcp: md5: remove one indirection level in tcp_md5sig_pool")
Reported-by: Crestez Dan Leonard <cdleonard@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This driver_ops callback function is never used by any driver.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Small rename to use the name workqueue than dev_workqueue. To bring the
same naming convention like wireless into 802.15.4.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This function adds a wrapper to call netdev_priv to getting the sdata
attribute. This is similar like the IEEE80211_DEV_TO_SUB_IF function
inside wireless stack implementation.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch replace the mac802154_to_priv macro with a static inline
function named hw_to_local. This brings a similar naming convention like
mac80211 stack.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch renamens the slaves attribute in sdata to interfaces and
slaves_mtx to iflist_mtx. This is similar like the mac80211 stack naming
convention.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch renames the hw attribute in struct ieee802154_sub_if_data to
local. This avoid confusing with the struct ieee802154_hw hw; inside of
local struct.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Like wireless this structure should named ieee802154_sub_if_data and not
mac802154_sub_if_data. This patch renames the struct and variables to
sdata instead priv sometimes.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch rename the mac802154_priv to ieee802154_local. The
mac802154_priv structure is like ieee80211_local and so we name it
ieee802154_local.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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The identical struct of the wireless stack implementation is named
ieee80211_hw. This is useful to name the variable hw instead of get
confusing with netdev dev variable.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Cc: Alan Ott <alan@signal11.us>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch moves the ieee802154 header into include/linux instead
include/net. Similar like wireless which have the ieee80211 header
inside of include/linux.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Cc: Alan Ott <alan@signal11.us>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Like the wireless core.c file this file contains function for phy
allocation and freeing. Move this file to core.c to get similar
behaviour.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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The wpan-phy header contains the wpan_phy struct information. Later this
header will be have similar function like cfg80211 header. The cfg80211
header contains the wiphy struct which is identically the wpan_phy
struct inside 802.15.4 subsystem.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Cc: Alan Ott <alan@signal11.us>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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The wpan.c file contains the interface handling functions now. It's similar
like the mac80211 iface.c file. This patch renames this file to iface.c to
have similar naming convention in mac802154.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch moves the mac802154.h internal header to ieee802154_i.h like
the wireless stack ieee80211_i.h file. This avoids confusing with the
not internal header include/net/mac802154.h header. Additional we get
the same naming conversion like mac80211 for this file.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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The ieee802154_dev functionality contains various function for
allocation and registration of an ieee802154_dev. This is equal to the
net/mac80211/main.c file. This patch rename the ieee802154_dev.c to
main.c to have the same behaviour.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch adds self-tests for the c1 and s1 crypto functions used for
SMP pairing. The data used is the sample data from the core
specification.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch adds a basic skeleton for SMP self-tests. The tests are put
behind a new configuration option since running them will slow down the
boot process. For now there are no actual tests defined but those will
come in a subsequent patch.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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In order to make unit testing possible we need to make the SMP crypto
functions only take the crypto context instead of the full SMP context
(the latter would require having hci_dev, hci_conn, l2cap_chan,
l2cap_conn, etc around). The drawback is that we no-longer get the
involved hdev in the debug logs, but this is really the only way to make
simple unit tests for the code.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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use clkoff_cp for hci_cp_read_clock_offset instead of cp
(already defined above).
Suggested-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch removes an unnecessary tailing semicolon after macro
define. Otherwise we get a trailing semicolon while using this macro.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch fixs a typo in address filter defines from IEEE802515 to
IEEE802154.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Cc: Alan Ott <alan@signal11.us>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch fix a typo and fix align instead allign.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch removes the FSF address in files which belongs to ieee802154
and mac802154.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Cc: Alan Ott <alan@signal11.us>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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In the error case where credits is greater than max_credits there
is a missing l2cap_chan_unlock before returning.
Signed-off-by: Martin Townsend <mtownsend1973@gmail.com>
Tested-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Currently there are potentially 2 skb_copy_expand calls in IPHC
decompression. This patch replaces this with one call to
skb_cow which will check to see if there is enough headroom
first to ensure it's only done if necessary and will handle
alignment issues for cache.
As skb_cow uses pskb_expand_head we ensure the skb isn't shared from
bluetooth and ieee802.15.4 code that use the IPHC decompression.
Signed-off-by: Martin Townsend <martin.townsend@xsilon.com>
Acked-by: Alexander Aring <alex.aring@gmail.com>
Acked-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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netif_rx() only returns NET_RX_DROP and NET_RX_SUCCESS, not returns
negative value
Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
Acked-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Value returned by this macro might be used as bit value so it should
return either 0 or 1 to avoid possible bugs (similar to NSC bug)
when shifting it.
Signed-off-by: Szymon Janc <szymon.janc@tieto.com>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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rfcomm_send_nsc expects CR to be either 0 or 1 since it is later
passed to __mcc_type macro and shitfed. Unfortunatelly CR extracted
from received frame type was not sanitized and shifted value was passed
resulting in bogus response.
Note: shifted value was also passed to other functions but was used
only in if satements so this bug appears only for NSC case.
The CR bit in the value octet shall be set to the same value
as the CR bit in the type field octet of the not supported command
frame but the CR bit for NCS response should be set to 0 since it is
always a response.
This was affecting TC_RFC_BV_25_C PTS qualification test.
Signed-off-by: Szymon Janc <szymon.janc@tieto.com>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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Systematically removing the LE connection parameters and autoconnect
action is inconvenient for rebonding without disconnecting from
userland (i.e. unpairing followed by repairing without
disconnecting). The parameters will be lost after unparing and
userland needs to take care of book-keeping them and re-adding them.
This patch allows userland to forget about parameter management when
rebonding without disconnecting. It defers clearing the connection
parameters when unparing without disconnecting, giving a chance of
keeping the parameters if a repairing happens before the connection is
closed.
Signed-off-by: Alfonso Acosta <fons@spotify.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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This patch ensure that the rtnl lock is hold while newlink callback.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch improves the packet registration handling. Instead of
registration with module init we have a open count variable and
registration the lowpan packet handler when it's needed.
The open count variable should be protected by RTNL.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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NULL-checking conn->dev_class is pointless since the variable is
defined as an array, i.e. it will always be non-NULL.
Signed-off-by: Alfonso Acosta <fons@spotify.com>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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There are scenarios when autoconnecting to a device after the
reception of an ADV_IND report (action 0x02), in which userland
might want to examine the report's contents.
For instance, the Service Data might have changed and it would be
useful to know ahead of time before starting any GATT procedures.
Also, the ADV_IND may contain Manufacturer Specific data which would
be lost if not propagated to userland. In fact, this patch results
from the need to rebond with a device lacking persistent storage which
notifies about losing its LTK in ADV_IND reports.
This patch appends the ADV_IND report which triggered the
autoconnection to the EIR Data in the Device Connected event.
Signed-off-by: Alfonso Acosta <fons@spotify.com>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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The values of a lot of the mgmt_device_connected() parameters come
straight from a hci_conn object. We can simplify the function by passing
the full hci_conn pointer to it.
Signed-off-by: Alfonso Acosta <fons@spotify.com>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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This patch fix ERR_PTR(-rc) to ERR_PTR(rc). The variable rc is already a
negative errno value.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch fix byte order handling in reassembly code of 802.15.4
6LoWPAN fragmentation handling.
net/ieee802154/reassembly.c:58:43: warning: restricted __be16 degrades to integer
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Reported-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch fix byteorder issues with fragment tag of generation 802.15.4
6LoWPAN fragment header.
net/ieee802154/6lowpan_rtnl.c:278:54: warning restricted __be16 degrades to integer
net/ieee802154/6lowpan_rtnl.c:278:18: warning: incorrect type in assignment (different base types)
net/ieee802154/6lowpan_rtnl.c:278:18: expected restricted __be16 [usertype] frag_tag
net/ieee802154/6lowpan_rtnl.c:278:18: got unsigned short
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Reported-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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There is no point processing pkts which are PACKET_OTHERHOST
in 6lowpan as they are discarded as soon as they reach the
ipv6 layer. Therefore we should drop them in the 6lowpan layer.
Signed-off-by: Simon Vincent <simon.vincent@xsilon.com>
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Signed-off-by: Julien Catalano <julien.catalano@gmail.com>
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
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See Documentation/CodingStyle Chapter 6
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The kernel should reserve enough room in the skb so that the DONE
message can always be appended. However, in case of e.g. new attribute
erronously not being size-accounted for, __nfulnl_send() will still
try to put next nlmsg into this full skbuf, causing the skb to be stuck
forever and blocking delivery of further messages.
Fix issue by releasing skb immediately after nlmsg_put error and
WARN() so we can track down the cause of such size mismatch.
[ fw@strlen.de: add tailroom/len info to WARN ]
Signed-off-by: Houcheng Lin <houcheng@gmail.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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don't try to queue payloads > 0xffff - NLA_HDRLEN, it does not work.
The nla length includes the size of the nla struct, so anything larger
results in u16 integer overflow.
This patch is similar to
9cefbbc9c8f9abe (netfilter: nfnetlink_queue: cleanup copy_range usage).
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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