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The array sctp_sched_ops is local to the source and
does not need to be in global scope, so make it static.
Cleans up sparse warning:
symbol 'sctp_sched_ops' was not declared. Should it be static?
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Similar to the previous patch, use the device lookup functions
that bump device refcount and flag this as DOIT_UNLOCKED to avoid
rtnl mutex.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Instead of relying on rtnl mutex bump device reference count.
After this change, values reported can change in parallel, but thats not
much different from current state, as anyone can change the settings
right after rtnl_unlock (and before userspace processed reply).
While at it, switch to GFP_KERNEL allocation.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Jiri Pirko says:
====================
net: sched: get rid of cls_flower->egress_dev
Introduction of cls_flower->egress_dev was a workaround. Turned out
to be a bit ugly hack. So replace it with more generic and reusable
infrastructure.
This is a dependency of shared block introduction that will be send as
a follow-up patchsets group.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The helper and the struct field ares no longer used by any code,
so remove them.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The only user of cls_flower->egress_dev is mlx5. So do the conversion
there alongside with the code originating the call in cls_flower
function fl_hw_replace_filter to the newly introduced egress device
callback infrastucture.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Introduce infrastructure that allows drivers to register callbacks that
are called whenever tc would offload inserted rule and specified device
acts as tc action egress device.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Return dev directly, NULL if not possible. That is enough.
Makes no sense to pass struct net * to get_dev op, as there is only one
net possible, the one the action was created in. So just store it in
mirred priv and use directly.
Rename the mirred op callback function.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Subash Abhinov Kasiviswanathan says:
====================
net: qualcomm: rmnet: Rewrite some existing functionality
This series fixes some of the broken rmnet functionality.
Bridge mode is re-written and made useable and the muxed_ep is converted to hlist.
Patches 1-5 are cleanups in preparation for these changes.
Patch 6 does the hlist conversion.
Patch 7 has the implementation of the rmnet bridge mode.
v1->v2: Fix the warning and code style issue in rmnet_rx_handler as
mentioned by David.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add support to bridge two devices which can send multiplexing and
aggregation (MAP) data. This is done only when the data itself is
not going to be consumed in the stack but is being passed on to a
different endpoint. This is mainly used for testing.
Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Rather than using a static array, use a hlist to store the muxed
endpoints and use the mux id to query the rmnet_device.
This is useful as usually very few mux ids are used.
Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
Cc: Dan Williams <dcbw@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The rmnet_devices information is already stored in muxed_ep, so
storing this in rmnet_devices[] again is redundant.
Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The end point is set twice in the local_ep as well as the mux_id and
the real_dev in the rmnet private structure. Remove the local_ep.
While these elements are equivalent, rmnet_endpoint will be
used only as part of the rmnet_port for muxed scenarios in VND mode.
Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Mode information on the real device makes it easier to route packets
to rmnet device or bridged device based on the configuration.
Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Most of these constants were used in the initial patchset where
custom netlink configuration was used and hence are no longer relevant.
Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This will be rewritten in the following patches.
Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Timur Tabi says:
====================
net: qcom/emac: various minor fixes
A set of patches for 4.15 that clean up some code, apply minors fixes,
and so on. Some of the code also prepares the driver for a future
version of the EMAC controller.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some of the error messages that are printed by the interrupt handlers
are poorly written. For example, many don't include a device prefix,
so there's no indication that they are EMAC errors.
Also use rate limiting for all messages that could be printed from
interrupt context.
Signed-off-by: Timur Tabi <timur@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The EMAC has a restriction that the upper 32 bits of the base addresses
for the RFD and RRD rings must be the same. The ensure that restriction,
we allocate twice the space for the RRD and locate it at an appropriate
address.
We also re-arrange the allocations so that invalid addresses are even
less likely.
Signed-off-by: Timur Tabi <timur@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The EMAC is capable of multiple TX and RX rings, but the driver only
supports one ring for each. One function had some left-over unused
code that supports multiple rings, but all it did was make the code
harder to read.
Signed-off-by: Timur Tabi <timur@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The 64/32-bit DMA mask hackery in the EMAC driver is not actually necessary,
and is technically not accurate. The EMAC hardware is limted to a 45-bit
DMA address. Although no EMAC-enabled system can have that much DDR,
an IOMMU could possible provide a larger address. Rather than play games
with the DMA mappings, the driver should provide a correct value and
trust the DMA/IOMMU layers to do the right thing.
Signed-off-by: Timur Tabi <timur@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Bjorn Andersson says:
====================
net: qrtr: Fixes and support receiving version 2 packets
On the latest Qualcomm platforms remote processors are sending packets with
version 2 of the message header. This series starts off with some fixes and
then refactors the qrtr code to support receiving messages of both version 1
and version 2.
As all remotes are backwards compatible transmitted packets continues to be
send as version 1, but some groundwork has been done to make this a per-link
property.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add the necessary logic for decoding incoming messages of version 2 as
well. Also make sure there's room for the bigger of version 1 and 2
headers in the code allocating skbs for outgoing messages.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Rather than parsing the header of incoming messages throughout the
implementation do it once when we retrieve the message and store the
relevant information in the "cb" member of the sk_buff.
This allows us to, in a later commit, decode version 2 messages into
this same structure.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As the message header generation is deferred the internal functions for
generating control packets can be simplified.
This patch modifies qrtr_alloc_ctrl_packet() to, in addition to the
sk_buff, return a reference to a struct qrtr_ctrl_pkt, which clarifies
and simplifies the helpers to the point that these functions can be
folded back into the callers.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Defer writing the message header to the skb until its time to enqueue
the packet. As the receive path is reworked to decode the message header
as it's received from the transport and only pass around the payload in
the skb this change means that we do not have to fill out the full
message header just to decode it immediately in qrtr_local_enqueue().
In the future this change also makes it possible to prepend message
headers based on the version of each link.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The QMUX protocol specification defines structure of the special control
packet messages being sent between handlers of the control port.
Add these to the uapi header, as this structure and the associated types
are shared between the kernel and all userspace handlers of control
messages.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The constants are used by both the name server and clients, so clarify
their value and move them to the uapi header.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Rather than manually waking up any context sleeping on the sock to
signal an error we should call sk_error_report(). This has the added
benefit that in-kernel consumers can override this notification with
its own callback.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fixes the following sparse warnings:
drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_ethtool.c:464:5: warning:
symbol 'hns3_change_all_ring_bd_num' was not declared. Should it be static?
drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_ethtool.c:477:5: warning:
symbol 'hns3_set_ringparam' was not declared. Should it be static?
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Calling setup_timer() is redundant when DEFINE_TIMER() has been used.
Cc: Chas Williams <3chas3@gmail.com>
Cc: linux-atm-general@lists.sourceforge.net
Cc: netdev@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Change the return error code to EINVAL if the MAC
address is not valid in the set_wol function.
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add support for the TI DP83822 10/100Mbit ethernet phy.
The DP83822 provides flexibility to connect to a MAC through a
standard MII, RMII or RGMII interface.
In addition the DP83822 needs to be removed from the DP83848 driver
as the WoL support is added here for this device.
Datasheet:
http://www.ti.com/product/DP83822I/datasheet
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Acked-by: Andrew F. Davis <afd@ti.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Egil Hjelmeland says:
====================
lan9303: Add basic offloading of unicast traffic
This series add basic offloading of unicast traffic to the lan9303
DSA driver.
Review welcome!
Changes v1 -> v2:
- Patch 1: Codestyle linting.
- Patch 2: Remember SWE_PORT_STATE while not bridged.
Added constant LAN9303_SWE_PORT_MIRROR_DISABLED.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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When both user ports are joined to the same bridge, the normal
HW MAC learning is enabled. This means that unicast traffic is forwarded
in HW.
If one of the user ports leave the bridge,
the ports goes back to the initial separated operation.
Port separation relies on disabled HW MAC learning. Hence the condition
that both ports must join same bridge.
Add brigde methods port_bridge_join, port_bridge_leave and
port_stp_state_set.
Signed-off-by: Egil Hjelmeland <privat@egil-hjelmeland.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Prepare for next patch:
Move tag setup from lan9303_separate_ports() to new function
lan9303_setup_tagging()
Signed-off-by: Egil Hjelmeland <privat@egil-hjelmeland.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Yury reported crash with this signature :
[ 554.034021] [<ffff80003ccd5a58>] 0xffff80003ccd5a58
[ 554.034156] [<ffff00000888fd34>] skb_release_all+0x14/0x30
[ 554.034288] [<ffff00000888fd64>] __kfree_skb+0x14/0x28
[ 554.034409] [<ffff0000088ece6c>] tcp_sendmsg_locked+0x4dc/0xcc8
[ 554.034541] [<ffff0000088ed68c>] tcp_sendmsg+0x34/0x58
[ 554.034659] [<ffff000008919fd4>] inet_sendmsg+0x2c/0xf8
[ 554.034783] [<ffff0000088842e8>] sock_sendmsg+0x18/0x30
[ 554.034928] [<ffff0000088861fc>] SyS_sendto+0x84/0xf8
Problem is that skb->destructor contains garbage, and this is
because I accidentally removed tcp_skb_tsorted_anchor_cleanup()
from tcp_unlink_write_queue()
This would trigger with a write(fd, <invalid_memory>, len) attempt,
and we will add to packetdrill this capability to avoid future
regressions.
Fixes: 75c119afe14f ("tcp: implement rb-tree based retransmit queue")
Reported-by: Yury Norov <ynorov@caviumnetworks.com>
Tested-by: Yury Norov <ynorov@caviumnetworks.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Johannes Berg says:
====================
Work continues in various areas:
* port authorized event for 4-way-HS offload (Avi)
* enable MFP optional for such devices (Emmanuel)
* Kees's timer setup patch for mac80211 mesh
(the part that isn't trivially scripted)
* improve VLAN vs. TXQ handling (myself)
* load regulatory database as firmware file (myself)
* with various other small improvements and cleanups
I merged net-next once in the meantime to allow Kees's
timer setup patch to go in.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently CRDA implements the signature checking, and the previous
commits added the ability to load the whole regulatory database
into the kernel.
However, we really can't lose the signature checking, so implement
it in the kernel by loading a detached signature (regulatory.db.p7s)
and check it against built-in keys.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Parsing and building C structures from a regdb is no longer needed
since the "firmware" file (regulatory.db) can be linked into the
kernel image to achieve the same effect.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If the regulatory database is loaded, and then updated, it may
be necessary to reload it. Add an nl80211 command to do this.
Note that this just reloads the database, it doesn't re-apply
the rules from it immediately.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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As the current regulatory database is only about 4k big, and already
difficult to extend, we decided that overall it would be better to
get rid of the complications with CRDA and load the database into the
kernel directly, but in a new format that is extensible.
The new file format can be extended since it carries a length field
on all the structs that need to be extensible.
In order to be able to request firmware when the module initializes,
move cfg80211 from subsys_initcall() to the later fs_initcall(); the
firmware loader is at the same level but linked earlier, so it can
be called from there. Otherwise, when both the firmware loader and
cfg80211 are built-in, the request will crash the kernel. We also
need to be before device_initcall() so that cfg80211 is available
for devices when they initialize.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When removing an AP VLAN interface, mac80211 currently purges
the entire TXQ for the AP interface. Fix this by using the FQ
API introduced in the previous patch to filter frames.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Acked-by: Toke Høiland-Jørgensen <toke@toke.dk>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add to the FQ API a way to filter a given tin, in order to
remove frames that fulfil certain criteria according to a
filter function.
This will be used by mac80211 to remove frames belonging to
an AP VLAN interface that's being removed.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Acked-by: Toke Høiland-Jørgensen <toke@toke.dk>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Currently, the aes_ccm.c and aes_gcm.c are almost line by line copy of
each other. This patch reduce code redundancy by moving the code in these
two files to crypto/aead_api.c to make it a higher level aead api. The
file aes_ccm.c and aes_gcm.c are removed and all the functions there are
now implemented in their headers using the newly added aead api.
Signed-off-by: Xiang Gao <qasdfgtyuiop@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Update my MAINTAINERS file entries to list all the right files.
Since I'm also the de-facto wireless extensions maintainer,
there's little point in excluding those.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This adds a ct_clear action for clearing conntrack state. ct_clear is
currently implemented in OVS userspace, but is not backed by an action
in the kernel datapath. This is useful for flows that may modify a
packet tuple after a ct lookup has already occurred.
Signed-off-by: Eric Garver <e@erig.me>
Acked-by: Pravin B Shelar <pshelar@ovn.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If CONFIG_DST_CACHE is not selected cpu variable
will be unused and we will see a compilation warning.
Move it under the ifdef.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Fixes: d66f2b91f95b ("bpf: don't rely on the verifier lock for metadata_dst allocation")
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue
Jeff Kirsher says:
====================
1GbE Intel Wired LAN Driver Updates 2017-10-10
This series contains updates to e1000e and igb.
Benjamin Poirier provides several fixes for e1000e, starting with a
correction to the return status which was always returning success even
if it was not successful. Fixed code comments to reflect the actual
code behavior. Fixed the conditional test for the correct return
value. Fixed a potential race condition reported by Lennart Sorensen,
where the single flag get_link_status is used to signal two different
states.
Sasha fixes a buffer overrun for i219 devices, where the chipset had
reduced the round-trip latency for the LAN controller DMA accesses
which in some high performance cases caused a buffer overrun while
processing the DMA transactions.
Willem de Bruijn changes the default behavior of e1000e to use the
burst mode settings by default unless the user specifies the
receive interrupt delay (RxIntDelay).
Florian Fainelli updates the driver to differentiate between when
e1000e_put_txbuf() is called from normal reclamation or when a
DMA mapping failure to make the driver more "drop monitor friendly".
Christophe JAILLET fixes a potential NULL pointer dereference by
properly returning -ENOMEM on memory allocation failures.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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We can now piggyback error strings to userspace via extended acks
rather than using printk.
Before:
bridge fdb add 01:02:03:04:05:06 dev br0 vlan 4095
RTNETLINK answers: Invalid argument
After:
bridge fdb add 01:02:03:04:05:06 dev br0 vlan 4095
Error: invalid vlan id.
v3: drop 'RTM_' prefixes, suggested by David Ahern, they
are not useful, the add/del in bridge command line is enough.
Also reword error in response to malformed/bad vlan id attribute
size.
Cc: David Ahern <dsahern@gmail.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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