| Commit message (Collapse) | Author | Age | Files | Lines |
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This patch add esn support for AH output stage by attaching upper 32bits
sequence number right after packet payload as specified by RFC 4302.
Then the ICV value will guard upper 32bits sequence number as well when
packet going out.
Signed-off-by: Fan Du <fan.du@windriver.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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As compared with skb_to_sgvec, skb_to_sgvec_nomark only map skb to given sglist
without mark the sg which contain last skb data as the end. So the caller can
mannipulate sg list as will when padding new data after the first call without
calling sg_unmark_end to expend sg list.
Signed-off-by: Fan Du <fan.du@windriver.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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Pull microblaze fixes from Michal Simek:
- Fix two compilation issues - HZ, readq/writeq
- Fix stack protection support
* tag 'microblaze-3.14-rc3' of git://git.monstr.eu/linux-2.6-microblaze:
microblaze: Fix a typo when disabling stack protection
microblaze: Define readq and writeq IO helper function
microblaze: Fix missing HZ macro
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Correct a typo causing the stack protector to be left enabled.
0xFFFFFFF -> 0xFFFFFFFF
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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Some drivers check if readq/writeq functions are defined.
If not internal driver functions are used which cause
compilation failures.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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Add missing param.h header because of HZ macro.
It is causing compilation failure:
In file included from include/linux/delay.h:14:0,
from drivers/clk/qcom/reset.c:18:
drivers/clk/qcom/reset.c: In function 'qcom_reset':
arch/microblaze/include/asm/delay.h:39:35: error: 'HZ'
undeclared (first use in this function)
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 bugfixes from Martin Schwidefsky:
"A collection a bug fixes. Most of them are minor but two of them are
more severe. The linkage stack bug can be used by user space to force
an oops, with panic_on_oops this is a denial-of-service. And the dump
memory detection issue can cause incomplete memory dumps"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/cio: improve cio_commit_config
s390: fix kernel crash due to linkage stack instructions
s390/dump: Fix dump memory detection
s390/appldata: restore missing init_virt_timer()
s390/qdio: correct program-controlled interruption checking
s390/qdio: for_each macro correctness
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The modify subchannel wrapper cio_commit_config can fail when
(unexpected) status is pending on the subchannel.
Callers of cio_commit_config (that operated on enabled subchannels)
needed to do error handling for that case (clear the unexpected
status with test subchannel and retry). This error handling is
missing in some code paths and caused online setting of devices to
fail.
Fix this for all callers by moving the error handling inside
cio_commit_config.
Reviewed-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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The kernel currently crashes with a low-address-protection exception
if a user space process executes an instruction that tries to use the
linkage stack. Set the base-ASTE origin and the subspace-ASTE origin
of the dispatchable-unit-control-table to point to a dummy ASTE.
Set up control register 15 to point to an empty linkage stack with no
room left.
A user space process with a linkage stack instruction will still crash
but with a different exception which is correctly translated to a
segmentation fault instead of a kernel oops.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Dumps created by kdump or zfcpdump can contain invalid memory holes when
dumping z/VM systems that have memory pressure.
For example:
# zgetdump -i /proc/vmcore.
Memory map:
0000000000000000 - 0000000000bfffff (12 MB)
0000000000e00000 - 00000000014fffff (7 MB)
000000000bd00000 - 00000000f3bfffff (3711 MB)
The memory detection function find_memory_chunks() issues tprot to
find valid memory chunks. In case of CMM it can happen that pages are
marked as unstable via set_page_unstable() in arch_free_page().
If z/VM has released that pages, tprot returns -EFAULT and indicates
a memory hole.
So fix this and switch off CMM in case of kdump or zfcpdump.
Cc: <stable@vger.kernel.org>
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Commit 27f6b416 "s390/vtimer: rework virtual timer interface" removed
the call to init_virt_timer() by mistake, which is added again by this
patch.
Signed-off-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Get rid of compile warning in qdio_int_handler_pci() when checking
for program-controlled interruption on outbound queues.
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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I observed that there are for_each macros that do an extra memory access
beyond the defined area.
Normally this does not cause problems.
But, this can cause exceptions. For example: if the area is allocated at
the end of a page and the next page is not accessible.
For correctness, I suggest changing the arguments of the 'for loop' like
others 'for_each' do in the kernel.
Signed-off-by: Jose Alonso <joalonsof@gmail.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Pull networking updates from David Miller:
1) Fix flexcan build on big endian, from Arnd Bergmann
2) Correctly attach cpsw to GPIO bitbang MDIO drive, from Stefan Roese
3) udp_add_offload has to use GFP_ATOMIC since it can be invoked from
non-sleepable contexts. From Or Gerlitz
4) vxlan_gro_receive() does not iterate over all possible flows
properly, fix also from Or Gerlitz
5) CAN core doesn't use a proper SKB destructor when it hooks up
sockets to SKBs. Fix from Oliver Hartkopp
6) ip_tunnel_xmit() can use an uninitialized route pointer, fix from
Eric Dumazet
7) Fix address family assignment in IPVS, from Michal Kubecek
8) Fix ath9k build on ARM, from Sujith Manoharan
9) Make sure fail_over_mac only applies for the correct bonding modes,
from Ding Tianhong
10) The udp offload code doesn't use RCU correctly, from Shlomo Pongratz
11) Handle gigabit features properly in generic PHY code, from Florian
Fainelli
12) Don't blindly invoke link operations in
rtnl_link_get_slave_info_data_size, they are optional. Fix from
Fernando Luis Vazquez Cao
13) Add USB IDs for Netgear Aircard 340U, from Bjørn Mork
14) Handle netlink packet padding properly in openvswitch, from Thomas
Graf
15) Fix oops when deleting chains in nf_tables, from Patrick McHardy
16) Fix RX stalls in xen-netback driver, from Zoltan Kiss
17) Fix deadlock in mac80211 stack, from Emmanuel Grumbach
18) inet_nlmsg_size() forgets to consider ifa_cacheinfo, fix from Geert
Uytterhoeven
19) tg3_change_mtu() can deadlock, fix from Nithin Sujir
20) Fix regression in setting SCTP local source addresses on accepted
sockets, caused by some generic ipv6 socket changes. Fix from
Matija Glavinic Pecotic
21) IPPROTO_* must be pure defines, otherwise module aliases don't get
constructed properly. Fix from Jan Moskyto
22) IPV6 netconsole setup doesn't work properly unless an explicit
source address is specified, fix from Sabrina Dubroca
23) Use __GFP_NORETRY for high order skb page allocations in
sock_alloc_send_pskb and skb_page_frag_refill. From Eric Dumazet
24) Fix a regression added in netconsole over bridging, from Cong Wang
25) TCP uses an artificial offset of 1ms for SRTT, but this doesn't jive
well with TCP pacing which needs the SRTT to be accurate. Fix from
Eric Dumazet
26) Several cases of missing header file includes from Rashika Kheria
27) Add ZTE MF667 device ID to qmi_wwan driver, from Raymond Wanyoike
28) TCP Small Queues doesn't handle nonagle properly in some corner
cases, fix from Eric Dumazet
29) Remove extraneous read_unlock in bond_enslave, whoops. From Ding
Tianhong
30) Fix 9p trans_virtio handling of vmalloc buffers, from Richard Yao
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (136 commits)
6lowpan: fix lockdep splats
alx: add missing stats_lock spinlock init
9p/trans_virtio.c: Fix broken zero-copy on vmalloc() buffers
bonding: remove unwanted bond lock for enslave processing
USB2NET : SR9800 : One chip USB2.0 USB2NET SR9800 Device Driver Support
tcp: tsq: fix nonagle handling
bridge: Prevent possible race condition in br_fdb_change_mac_address
bridge: Properly check if local fdb entry can be deleted when deleting vlan
bridge: Properly check if local fdb entry can be deleted in br_fdb_delete_by_port
bridge: Properly check if local fdb entry can be deleted in br_fdb_change_mac_address
bridge: Fix the way to check if a local fdb entry can be deleted
bridge: Change local fdb entries whenever mac address of bridge device changes
bridge: Fix the way to find old local fdb entries in br_fdb_change_mac_address
bridge: Fix the way to insert new local fdb entries in br_fdb_changeaddr
bridge: Fix the way to find old local fdb entries in br_fdb_changeaddr
tcp: correct code comment stating 3 min timeout for FIN_WAIT2, we only do 1 min
net: vxge: Remove unused device pointer
net: qmi_wwan: add ZTE MF667
3c59x: Remove unused pointer in vortex_eisa_cleanup()
net: fix 'ip rule' iif/oif device rename
...
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When a device ndo_start_xmit() calls again dev_queue_xmit(),
lockdep can complain because dev_queue_xmit() is re-entered and the
spinlocks protecting tx queues share a common lockdep class.
Same issue was fixed for bonding/l2tp/ppp in commits
0daa2303028a6 ("[PATCH] bonding: lockdep annotation")
49ee49202b4ac ("bonding: set qdisc_tx_busylock to avoid LOCKDEP splat")
23d3b8bfb8eb2 ("net: qdisc busylock needs lockdep annotations ")
303c07db487be ("ppp: set qdisc_tx_busylock to avoid LOCKDEP splat ")
Reported-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Tested-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Trivial fix for init time stack trace occuring in
alx_get_stats64 upon start up. Should have been part of
commit adding the spinlock:
f1b6b106 alx: add alx_get_stats64 operation
Signed-off-by: John Greene <jogreene@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The 9p-virtio transport does zero copy on things larger than 1024 bytes
in size. It accomplishes this by returning the physical addresses of
pages to the virtio-pci device. At present, the translation is usually a
bit shift.
That approach produces an invalid page address when we read/write to
vmalloc buffers, such as those used for Linux kernel modules. Any
attempt to load a Linux kernel module from 9p-virtio produces the
following stack.
[<ffffffff814878ce>] p9_virtio_zc_request+0x45e/0x510
[<ffffffff814814ed>] p9_client_zc_rpc.constprop.16+0xfd/0x4f0
[<ffffffff814839dd>] p9_client_read+0x15d/0x240
[<ffffffff811c8440>] v9fs_fid_readn+0x50/0xa0
[<ffffffff811c84a0>] v9fs_file_readn+0x10/0x20
[<ffffffff811c84e7>] v9fs_file_read+0x37/0x70
[<ffffffff8114e3fb>] vfs_read+0x9b/0x160
[<ffffffff81153571>] kernel_read+0x41/0x60
[<ffffffff810c83ab>] copy_module_from_fd.isra.34+0xfb/0x180
Subsequently, QEMU will die printing:
qemu-system-x86_64: virtio: trying to map MMIO memory
This patch enables 9p-virtio to correctly handle this case. This not
only enables us to load Linux kernel modules off virtfs, but also
enables ZFS file-based vdevs on virtfs to be used without killing QEMU.
Special thanks to both Avi Kivity and Alexander Graf for their
interpretation of QEMU backtraces. Without their guidence, tracking down
this bug would have taken much longer. Also, special thanks to Linus
Torvalds for his insightful explanation of why this should use
is_vmalloc_addr() instead of is_vmalloc_or_module_addr():
https://lkml.org/lkml/2014/2/8/272
Signed-off-by: Richard Yao <ryao@gentoo.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The bond enslave processing don't hold bond->lock anymore,
so release an unlocked rw lock will cause warning message,
remove the unwanted read_unlock(&bond->lock).
Cc: Jay Vosburgh <fubar@us.ibm.com>
Cc: Veaceslav Falico <vfalico@redhat.com>
Cc: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Acked-by: Veaceslav Falico <vfalico@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Liu Junliang <liujunliang_ljl@163.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit 46d3ceabd8d9 ("tcp: TCP Small Queues") introduced a possible
regression for applications using TCP_NODELAY.
If TCP session is throttled because of tsq, we should consult
tp->nonagle when TX completion is done and allow us to send additional
segment, especially if this segment is not a full MSS.
Otherwise this segment is sent after an RTO.
[edumazet] : Cooked the changelog, added another fix about testing
sk_wmem_alloc twice because TX completion can happen right before
setting TSQ_THROTTLED bit.
This problem is particularly visible with recent auto corking,
but might also be triggered with low tcp_limit_output_bytes
values or NIC drivers delaying TX completion by hundred of usec,
and very low rtt.
Thomas Glanzmann for example reported an iscsi regression, caused
by tcp auto corking making this bug quite visible.
Fixes: 46d3ceabd8d9 ("tcp: TCP Small Queues")
Signed-off-by: John Ogness <john.ogness@linutronix.de>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Thomas Glanzmann <thomas@glanzmann.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Toshiaki Makita says:
====================
bridge: Fix corner case problems around local fdb entries
There are so many corner cases that are not handled properly around local
fdb entries.
- We might fail to delete the old entry and might delete an arbitrary local
entry when changing mac address of a bridge port.
- We always fail to delete the old entry when changing mac address of the
bridge device.
- We might incorrectly delete a necessary entry when detaching a bridge port.
- We might incorrectly delete a necessary entry when deleting a vlan.
and so on.
This is a patch series to fix these issues.
v3:
- Handle NTF_USE case in patch 1/9, commented by Vlad Yasevich.
- Tested port detach/attach and didn't find any problem with patch 5/9,
suggested by Stephen Hemminger.
- Add comments about possible inconsistent state in current implementation
into commit log of patch 5/9, found by the above test.
- Reword unintensive changelog of patch 7/9, commented by Vlad Yasevich.
v2:
- Change the way to find the old entry in br_fdb_changeaddr() from memorizing
previous port address to introducing a new flag indicating whether a fdb
entry is added by user or not, commented by Stephen Hemminger.
- Add a fix for the way to insert a new address in br_fdb_changeaddr().
- Prevent creating an entry such that its dst is NULL in br_add_if() to
preserve old behavior, commented by Vlad Yasevich.
- Add more comments about slight behavior change, where the bridge device
come to be able to receive traffic to an address it has during short
window, to changelogs, commented by Vlad Yasevich.
- Add a fix for possible race in br_fdb_change_mac_address().
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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br_fdb_change_mac_address() calls fdb_insert()/fdb_delete() without
br->hash_lock.
These hash list updates are racy with br_fdb_update()/br_fdb_cleanup().
Signed-off-by: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp>
Acked-by: Vlad Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Vlan codes unconditionally delete local fdb entries.
We should consider the possibility that other ports have the same
address and vlan.
Example of problematic case:
ip link set eth0 address 12:34:56:78:90:ab
ip link set eth1 address aa:bb:cc:dd:ee:ff
brctl addif br0 eth0
brctl addif br0 eth1 # br0 will have mac address 12:34:56:78:90:ab
bridge vlan add dev eth0 vid 10
bridge vlan add dev eth1 vid 10
bridge vlan add dev br0 vid 10 self
We will have fdb entry such that f->dst == eth0, f->vlan_id == 10 and
f->addr == 12:34:56:78:90:ab at this time.
Next, delete eth0 vlan 10.
bridge vlan del dev eth0 vid 10
In this case, we still need the entry for br0, but it will be deleted.
Note that br0 needs the entry even though its mac address is not set
manually. To delete the entry with proper condition checking,
fdb_delete_local() is suitable to use.
Signed-off-by: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp>
Acked-by: Vlad Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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br_fdb_delete_by_port
br_fdb_delete_by_port() doesn't care about vlan and mac address of the
bridge device.
As the check is almost the same as mac address changing, slightly modify
fdb_delete_local() and use it.
Note that we can always set added_by_user to 0 in fdb_delete_local() because
- br_fdb_delete_by_port() calls fdb_delete_local() for local entries
regardless of its added_by_user. In this case, we have to check if another
port has the same address and vlan, and if found, we have to create the
entry (by changing dst). This is kernel-added entry, not user-added.
- br_fdb_changeaddr() doesn't call fdb_delete_local() for user-added entry.
Signed-off-by: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp>
Acked-by: Vlad Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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br_fdb_change_mac_address
br_fdb_change_mac_address() doesn't check if the local entry has the
same address as any of bridge ports.
Although I'm not sure when it is beneficial, current implementation allow
the bridge device to receive any mac address of its ports.
To preserve this behavior, we have to check if the mac address of the
entry being deleted is identical to that of any port.
As this check is almost the same as that in br_fdb_changeaddr(), create
a common function fdb_delete_local() and call it from
br_fdb_changeadddr() and br_fdb_change_mac_address().
Signed-off-by: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp>
Acked-by: Vlad Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We should take into account the followings when deleting a local fdb
entry.
- nbp_vlan_find() can be used only when vid != 0 to check if an entry is
deletable, because a fdb entry with vid 0 can exist at any time while
nbp_vlan_find() always return false with vid 0.
Example of problematic case:
ip link set eth0 address 12:34:56:78:90:ab
ip link set eth1 address 12:34:56:78:90:ab
brctl addif br0 eth0
brctl addif br0 eth1
ip link set eth0 address aa:bb:cc:dd:ee:ff
Then, the fdb entry 12:34:56:78:90:ab will be deleted even though the
bridge port eth1 still has that address.
- The port to which the bridge device is attached might needs a local entry
if its mac address is set manually.
Example of problematic case:
ip link set eth0 address 12:34:56:78:90:ab
brctl addif br0 eth0
ip link set br0 address 12:34:56:78:90:ab
ip link set eth0 address aa:bb:cc:dd:ee:ff
Then, the fdb still must have the entry 12:34:56:78:90:ab, but it will be
deleted.
We can use br->dev->addr_assign_type to check if the address is manually
set or not, but I propose another approach.
Since we delete and insert local entries whenever changing mac address
of the bridge device, we can change dst of the entry to NULL regardless of
addr_assign_type when deleting an entry associated with a certain port,
and if it is found to be unnecessary later, then delete it.
That is, if changing mac address of a port, the entry might be changed
to its dst being NULL first, but is eventually deleted when recalculating
and changing bridge id.
This approach is especially useful when we want to share the code with
deleting vlan in which the bridge device might want such an entry regardless
of addr_assign_type, and makes things easy because we don't have to consider
if mac address of the bridge device will be changed or not at the time we
delete a local entry of a port, which means fdb code will not be bothered
even if the bridge id calculating logic is changed in the future.
Also, this change reduces inconsistent state, where frames whose dst is the
mac address of the bridge, can't reach the bridge because of premature fdb
entry deletion. This change reduces the possibility that the bridge device
replies unreachable mac address to arp requests, which could occur during
the short window between calling del_nbp() and br_stp_recalculate_bridge_id()
in br_del_if(). This will effective after br_fdb_delete_by_port() starts to
use the same code by following patch.
Signed-off-by: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp>
Acked-by: Vlad Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Vlan code may need fdb change when changing mac address of bridge device
even if it is caused by the mac address changing of a bridge port.
Example configuration:
ip link set eth0 address 12:34:56:78:90:ab
ip link set eth1 address aa:bb:cc:dd:ee:ff
brctl addif br0 eth0
brctl addif br0 eth1 # br0 will have mac address 12:34:56:78:90:ab
bridge vlan add dev br0 vid 10 self
bridge vlan add dev eth0 vid 10
We will have fdb entry such that f->dst == NULL, f->vlan_id == 10 and
f->addr == 12:34:56:78:90:ab at this time.
Next, change the mac address of eth0 to greater value.
ip link set eth0 address ee:ff:12:34:56:78
Then, mac address of br0 will be recalculated and set to aa:bb:cc:dd:ee:ff.
However, an entry aa:bb:cc:dd:ee:ff will not be created and we will be not
able to communicate using br0 on vlan 10.
Address this issue by deleting and adding local entries whenever
changing the mac address of the bridge device.
If there already exists an entry that has the same address, for example,
in case that br_fdb_changeaddr() has already inserted it,
br_fdb_change_mac_address() will simply fail to insert it and no
duplicated entry will be made, as it was.
This approach also needs br_add_if() to call br_fdb_insert() before
br_stp_recalculate_bridge_id() so that we don't create an entry whose
dst == NULL in this function to preserve previous behavior.
Note that this is a slight change in behavior where the bridge device can
receive the traffic to the new address before calling
br_stp_recalculate_bridge_id() in br_add_if().
However, it is not a problem because we have already the address on the
new port and such a way to insert new one before recalculating bridge id
is taken in br_device_event() as well.
Signed-off-by: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp>
Acked-by: Vlad Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We have been always failed to delete the old entry at
br_fdb_change_mac_address() because br_set_mac_address() updates
dev->dev_addr before calling br_fdb_change_mac_address() and
br_fdb_change_mac_address() uses dev->dev_addr to find the old entry.
That update of dev_addr is completely unnecessary because the same work
is done in br_stp_change_bridge_id() which is called right away after
calling br_fdb_change_mac_address().
Signed-off-by: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp>
Acked-by: Vlad Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since commit bc9a25d21ef8 ("bridge: Add vlan support for local fdb entries"),
br_fdb_changeaddr() has inserted a new local fdb entry only if it can
find old one. But if we have two ports where they have the same address
or user has deleted a local entry, there will be no entry for one of the
ports.
Example of problematic case:
ip link set eth0 address aa:bb:cc:dd:ee:ff
ip link set eth1 address aa:bb:cc:dd:ee:ff
brctl addif br0 eth0
brctl addif br0 eth1 # eth1 will not have a local entry due to dup.
ip link set eth1 address 12:34:56:78:90:ab
Then, the new entry for the address 12:34:56:78:90:ab will not be
created, and the bridge device will not be able to communicate.
Insert new entries regardless of whether we can find old entries or not.
Signed-off-by: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp>
Acked-by: Vlad Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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br_fdb_changeaddr() assumes that there is at most one local entry per port
per vlan. It used to be true, but since commit 36fd2b63e3b4 ("bridge: allow
creating/deleting fdb entries via netlink"), it has not been so.
Therefore, the function might fail to search a correct previous address
to be deleted and delete an arbitrary local entry if user has added local
entries manually.
Example of problematic case:
ip link set eth0 address ee:ff:12:34:56:78
brctl addif br0 eth0
bridge fdb add 12:34:56:78:90:ab dev eth0 master
ip link set eth0 address aa:bb:cc:dd:ee:ff
Then, the address 12:34:56:78:90:ab might be deleted instead of
ee:ff:12:34:56:78, the original mac address of eth0.
Address this issue by introducing a new flag, added_by_user, to struct
net_bridge_fdb_entry.
Note that br_fdb_delete_by_port() has to set added_by_user to 0 in cases
like:
ip link set eth0 address 12:34:56:78:90:ab
ip link set eth1 address aa:bb:cc:dd:ee:ff
brctl addif br0 eth0
bridge fdb add aa:bb:cc:dd:ee:ff dev eth0 master
brctl addif br0 eth1
brctl delif br0 eth0
In this case, kernel should delete the user-added entry aa:bb:cc:dd:ee:ff,
but it also should have been added by "brctl addif br0 eth1" originally,
so we don't delete it and treat it a new kernel-created entry.
Signed-off-by: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As far as I can tell we have used a default of 60 seconds for
FIN_WAIT2 timeout for ages (since 2.x times??).
In any case, the timeout these days is 60 seconds, so the 3 min
comment is wrong (and cost me a few minutes of my life when I was
debugging a FIN_WAIT2 related problem in a userspace application and
checked the kernel source for details).
Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove occurrences of unused struct __vxge_hw_device pointer in functions
vxge_learn_mac() and vxge_rem_isr().
Detected by Coverity: CID 139839, CID 139842.
Signed-off-by: Christian Engelmayer <cengelma@gmx.at>
Reviewed-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The driver description files give these descriptions to the vendor specific
ports on this modem:
VID_19D2&PID_1270&MI_00: "ZTE MF667 Diagnostics Port"
VID_19D2&PID_1270&MI_01: "ZTE MF667 AT Port"
VID_19D2&PID_1270&MI_02: "ZTE MF667 ATExt2 Port"
VID_19D2&PID_1270&MI_03: "ZTE MF667 ATExt Port"
VID_19D2&PID_1270&MI_04: "ZTE MF667 USB Modem"
VID_19D2&PID_1270&MI_05: "ZTE MF667 Network Adapter"
Signed-off-by: Raymond Wanyoike <raymond.wanyoike@gmail.com>
Acked-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove unused network device private data pointer 'vp' in function
vortex_eisa_cleanup(). Detected by Coverity: CID 139826.
Signed-off-by: Christian Engelmayer <cengelma@gmx.at>
Signed-off-by: David S. Miller <davem@davemloft.net>
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ip rules with iif/oif references do not update:
(detach/attach) across interface renames.
Signed-off-by: Maciej Żenczykowski <maze@google.com>
CC: Willem de Bruijn <willemb@google.com>
CC: Eric Dumazet <edumazet@google.com>
CC: Chris Davis <chrismd@google.com>
CC: Carlo Contavalli <ccontavalli@google.com>
Google-Bug-Id: 12936021
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove occurrences of unused pointer to network device private data in
functions dlci_header() and dlci_receive().
Detected by Coverity: CID 139844, CID 139845.
Signed-off-by: Christian Engelmayer <cengelma@gmx.at>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit 8df8c56a (6lowpan: Moving generic compression code into 6lowpan_iphc.c)
left pointer 'hdr' unused - remove it.
Detected by Coverity: CID 1164868.
Signed-off-by: Christian Engelmayer <cengelma@gmx.at>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The patch 446fab59333dea91e54688f033dd8d788d0486fb ("ipv6: enable anycast addresses
as source addresses in ICMPv6 error messages") causes an Oops when pinging a not
set up IPv6 peer on a sit tunnel.
The problem is that ipv6_anycast_destination() uses unconditionally skb_dst(skb),
which is NULL in this case.
The solution is to use instead the ipv6_chk_acast_addr_src() function.
Here are the steps to reproduce it:
modprobe sit
ip link add sit1 type sit remote 10.16.0.121 local 10.16.0.249
ip l s sit1 up
ip -6 a a dev sit1 2001:1234::123 remote 2001:1234::121
ping6 2001:1234::121
Reported-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Tested-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: Francois-Xavier Le Bail <fx.lebail@yahoo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Mark functions as static in net/sunrpc/svc_xprt.c because they are not
used outside this file.
This eliminates the following warning in net/sunrpc/svc_xprt.c:
net/sunrpc/svc_xprt.c:574:5: warning: no previous prototype for ‘svc_alloc_arg’ [-Wmissing-prototypes]
net/sunrpc/svc_xprt.c:615:18: warning: no previous prototype for ‘svc_get_next_xprt’ [-Wmissing-prototypes]
net/sunrpc/svc_xprt.c:694:6: warning: no previous prototype for ‘svc_add_new_temp_xprt’ [-Wmissing-prototypes]
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Include appropriate header file net/netfilter/nf_tables_core.h in
net/netfilter/nft_lookup.c because it has prototype declaration of
functions defined in net/netfilter/nft_lookup.c.
This eliminates the following warning in net/netfilter/nft_lookup.c:
net/netfilter/nft_lookup.c:133:12: warning: no previous prototype for ‘nft_lookup_module_init’ [-Wmissing-prototypes]
net/netfilter/nft_lookup.c:138:6: warning: no previous prototype for ‘nft_lookup_module_exit’ [-Wmissing-prototypes]
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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from net/ipx/af_ipx.c
Move prototype declaration of function to header file
include/net/net_namespace.h from net/ipx/af_ipx.c because they are used
by more than one file.
This eliminates the following warning in net/ipx/sysctl_net_ipx.c:
net/ipx/sysctl_net_ipx.c:33:6: warning: no previous prototype for ‘ipx_register_sysctl’ [-Wmissing-prototypes]
net/ipx/sysctl_net_ipx.c:38:6: warning: no previous prototype for ‘ipx_unregister_sysctl’ [-Wmissing-prototypes]
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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net/ipx/af_ipx.c
Move prototype declarations of function to header file
include/net/datalink.h from net/ipx/af_ipx.c because they are used by
more than one file.
This eliminates the following warning in net/ipx/pe2.c:
net/ipx/pe2.c:20:24: warning: no previous prototype for ‘make_EII_client’ [-Wmissing-prototypes]
net/ipx/pe2.c:32:6: warning: no previous prototype for ‘destroy_EII_client’ [-Wmissing-prototypes]
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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net/ipx/af_ipx.c
Move prototype declaration of functions to header file include/net/ipx.h
from net/ipx/af_ipx.c because they are used by more than one file.
This eliminates the following warning in
net/ipx/ipx_route.c:33:19: warning: no previous prototype for ‘ipxrtr_lookup’ [-Wmissing-prototypes]
net/ipx/ipx_route.c:52:5: warning: no previous prototype for ‘ipxrtr_add_route’ [-Wmissing-prototypes]
net/ipx/ipx_route.c:94:6: warning: no previous prototype for ‘ipxrtr_del_routes’ [-Wmissing-prototypes]
net/ipx/ipx_route.c:149:5: warning: no previous prototype for ‘ipxrtr_route_skb’ [-Wmissing-prototypes]
net/ipx/ipx_route.c:171:5: warning: no previous prototype for ‘ipxrtr_route_packet’ [-Wmissing-prototypes]
net/ipx/ipx_route.c:261:5: warning: no previous prototype for ‘ipxrtr_ioctl’ [-Wmissing-prototypes]
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Move prototype definition of function to header file include/net/ipx.h
from net/ipx/ipx_route.c because they are used by more than one file.
This eliminates the following warning from net/ipx/af_ipx.c:
net/ipx/af_ipx.c:193:23: warning: no previous prototype for ‘ipxitf_find_using_net’ [-Wmissing-prototypes]
net/ipx/af_ipx.c:577:5: warning: no previous prototype for ‘ipxitf_send’ [-Wmissing-prototypes]
net/ipx/af_ipx.c:1219:8: warning: no previous prototype for ‘ipx_cksum’ [-Wmissing-prototypes]
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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net/decnet/af_decnet.c
Move prototype declaration of functions to header file include/net/dn.h
from net/decnet/af_decnet.c because they are used by more than one file.
This eliminates the following warning in net/decnet/af_decnet.c:
net/decnet/sysctl_net_decnet.c:354:6: warning: no previous prototype for ‘dn_register_sysctl’ [-Wmissing-prototypes]
net/decnet/sysctl_net_decnet.c:359:6: warning: no previous prototype for ‘dn_unregister_sysctl’ [-Wmissing-prototypes]
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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decnet/af_decnet.c
Move prototype declaration of functions to header file include/net/dn_route.h
from net/decnet/af_decnet.c because it is used by more than one file.
This eliminates the following warning in net/decnet/dn_route.c:
net/decnet/dn_route.c:629:5: warning: no previous prototype for ‘dn_route_rcv’ [-Wmissing-prototypes]
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Mark functions as static in core/dev.c because they are not used outside
this file.
This eliminates the following warning in core/dev.c:
net/core/dev.c:2806:5: warning: no previous prototype for ‘__dev_queue_xmit’ [-Wmissing-prototypes]
net/core/dev.c:4640:5: warning: no previous prototype for ‘netdev_adjacent_sysfs_add’ [-Wmissing-prototypes]
net/core/dev.c:4650:6: warning: no previous prototype for ‘netdev_adjacent_sysfs_del’ [-Wmissing-prototypes]
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Reviewed-by: Veaceslav Falico <vfalico@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Include appropriate header file net/caif/caif_dev.h in caif/cfsrvl.c
because it has prototype declaration of functions defined in
caif/cfsrvl.c.
This eliminates the following warning in caif/cfsrvl.c:
net/caif/cfsrvl.c:198:6: warning: no previous prototype for ‘caif_free_client’ [-Wmissing-prototypes]
net/caif/cfsrvl.c:208:6: warning: no previous prototype for ‘caif_client_register_refcnt’ [-Wmissing-prototypes]
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Include appropriate header file net/caif/caif_dev.h in caif/caif_dev.c
because it has prototype declarations of function defined in
caif/caif_dev.c.
This eliminates the following file in caif/caif_dev.c:
net/caif/caif_dev.c:303:6: warning: no previous prototype for ‘caif_enroll_dev’ [-Wmissing-prototypes]
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Mark function as static in net/9p/client.c because it is not used
outside this file.
This eliminates the following warning in net/9p/client.c:
net/9p/client.c:207:18: warning: no previous prototype for ‘p9_fcall_alloc’ [-Wmissing-prototypes]
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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