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acceleration""
This reverts commit 051dc9b0579602bd63e9df74d0879b5293e71581.
It turns out the current API is not that compatible with
some Microsoft mice, so better start again from scratch.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Harry Cutts <hcutts@chromium.org>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Jiri Kosina <jkosina@suse.cz>
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This reverts commit d56ca9855bf924f3bc9807a3e42f38539df3f41f.
It turns out the current API is not that compatible with
some Microsoft mice, so better start again from scratch.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Harry Cutts <hcutts@chromium.org>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Jiri Kosina <jkosina@suse.cz>
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This reverts commit 3fe1d6bbcd16f384d2c7dab2caf8e4b2df9ea7e6.
It turns out the current API is not that compatible with
some Microsoft mice, so better start again from scratch.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Harry Cutts <hcutts@chromium.org>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Jiri Kosina <jkosina@suse.cz>
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This reverts commit 5fe2ccbef9d7aecf5c4402c753444f1a12096cfd.
It turns out the current API is not that compatible with
some Microsoft mice, so better start again from scratch.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Harry Cutts <hcutts@chromium.org>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Jiri Kosina <jkosina@suse.cz>
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This reverts commit 044ee890286153a1aefb40cb8b6659921aecb38b.
It turns out the current API is not that compatible with
some Microsoft mice, so better start again from scratch.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Harry Cutts <hcutts@chromium.org>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Jiri Kosina <jkosina@suse.cz>
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into drm-fixes
- OD fixes for powerplay
- Vega20 fixes
- KFD fix for Kaveri
- add missing firmware declaration for hainan (SI chip)
- Fix DC user experience regressions related to panels that support >8 bpc
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181121163647.2847-1-alexander.deucher@amd.com
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git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
- vc4: Fix NULL deref in async path (Boris)
- vc4: Avoid taking async path for cursor updates when impossible (Boris)
- udmabuf: Fix mmap with PROT_WRITE (Gerd)
- fb-helper: Don't use writeback connectors for fbdev (Paul)
Cc: Boris Brezillon <boris.brezillon@bootlin.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Sean Paul <sean@poorly.run>
Link: https://patchwork.freedesktop.org/patch/msgid/20181121155248.GA241511@art_vandelay
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Signed-off-by: Y.C. Chen <yc_chen@aspeedtech.com>
Cc: <stable@vger.kernel.org>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Ido Schimmel says:
====================
mlxsw: Add VxLAN learning support
This patchset adds VxLAN learning support in the mlxsw driver.
The first five patches from Petr add the required switchdev APIs which
allow device drivers to notify the VxLAN driver about learned / aged-out
FDB entries.
First in patch #1, an unnecessary argument is dropped from
__vxlan_fdb_delete().
In patches #2-#4, the VxLAN FDB handling code is extended to make
sending the switchdev events configurable; to mark user-added entries as
such; and to make sure HW-learned FDB entries do not take over
user-added ones.
Finally in patch #5, the necessary switchdev notifications are added and
handled by VxLAN, similarly to how this is handled in the bridge driver.
Patch #6 allows changing of the VxLAN's device ageing time since it is
useful for the selftest in the last patch.
Patch #7 adds support for querying bridge port flags of a given
netdevice, as a new entry should not be learned and notified to the
bridge driver in case learning is disabled on the bridge port.
Next patches gradually add learning support in mlxsw.
The last patch adds a new test case for VxLAN learning.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a test which checks that the VxLAN driver can learn FDB entries and
that these entries are correctly deleted and aged-out.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The test currently expects that a configuration which includes a VxLAN
device with learning enabled to fail.
Previous patches enabled VxLAN learning in mlxsw, so change the test
accordingly.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Up until now the driver returned an error when learning was enabled on a
VxLAN device enslaved to an offloaded bridge.
Previous patches added VxLAN learning support, so remove the check.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allow users to delete learned FDB entries from the bridge's FDB before
enabling VxLAN learning.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Start processing two new entry types in addition to current ones:
* Learned unicast tunnel entry
* Aged-out unicast tunnel entry
In both cases the device reports on a new {MAC, FID, IP address} tuple
that was learned / aged-out. Based on this notification, the driver
instructs the device to add / delete the entry to / from its database.
The driver also makes sure to notify the bridge and VxLAN drivers about
the new entry.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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FDB notifications for entries learned from an NVE tunnel contain the IP
address of the remote VTEP. In the case of IPv4 underlay, the IP address
is specified as-is. IPv6 addresses on the other hand, are specified as
handles which then need to be used to query the actual address from the
device.
Only IPv4 underlay is currently supported, so we cannot receive
notifications for IPv6 addresses and therefore an error is returned when
one tries to resolve such an address.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When processing a notification about a new FDB entry learned from a
VxLAN tunnel, the driver is provided with the FID index among other
parameters.
The driver potentially needs to update the bridge and VxLAN drivers
about the new entry using a pointer to the VxLAN device and the
corresponding VNI.
These two parameters are stored in the FID, so add a new function that
allows looking up a FID based on its index.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The driver periodically polls for new FDB entries learned by the device.
In the case of an FDB entry learned from a VxLAN tunnel, the
notification includes the IP of the remote VTEP, the filtering
identifier (FID) and the source MAC address of the overlay packet.
Assuming learning is enabled in the VxLAN and bridge drivers, the driver
needs to generate a notification and update them about the new FDB
entry.
Store the ifindex of the NVE device in the FID so that the driver will
be able to update the VxLAN and bridge drivers using it.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Will be used to process learned FDB records from an NVE tunnel.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allow querying bridge port flags so that drivers capable of performing
VxLAN learning will update the bridge driver only if learning is enabled
on its bridge port corresponding to the VxLAN device.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In a similar fashion to the bridge device, allow changing the ageing
time of the VxLAN device by scheduling its timer to fire if the ageing
time changed.
One use case is selftests where learning / ageing of VxLAN FDB entries
is tested. The default ageing time is 5 minutes, which is too long for a
simple selftest.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In order to allow devices to signal learning events to VXLAN, introduce
two new switchdev messages: SWITCHDEV_VXLAN_FDB_ADD_TO_BRIDGE and
SWITCHDEV_VXLAN_FDB_DEL_TO_BRIDGE.
Listen to these notifications in the vxlan driver. The FDB entries
learned this way have an NTF_EXT_LEARNED flag, and only entries marked
as such can be unlearned by the _DEL_ event. They are also immediately
marked as offloaded. This is the same behavior that the bridge driver
observes.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When an external learning event collides with an user-added entry, the
user-added entry shouldn't be taken over. Otherwise on an unlearn event
the entry would be completely lost, even though the user added it by
hand.
Therefore skip update of FDB flags and state for these cases. This is in
accordance with the bridge behavior.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The VXLAN driver needs to differentiate between FDB entries learned by
the VXLAN driver, and those added by the user. The latter ones shouldn't
be taken over by external learning events. This is in accordance with
bridge behavior.
Therefore, extend the flags bitfield to 16 bits and add a new private
NTF flag to mark the user-added entries.
This seems preferable to adding a dedicated boolean, because passing the
flag, unlike passing e.g. a true, makes it clear what the meaning of the
bit is.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In a following patch, vxlan is extended to allow hardware FDB learning.
For FDB entries learned this way, switchdev notifications should not be
sent again, because the driver already knows about these entries.
To that end, add an argument vxlan_fdb_notify() to determine whether
the switchdev notifications should be sent. Propagate the argument to
all call sites transitively, eventually passing true in all root calls.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This argument is necessary for vxlan_fdb_delete(), the API of which is
prescribed by ndo_fdb_del, but __vxlan_fdb_delete() doesn't need it.
Therefore drop it.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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interrupts
In the original ftmac100_interrupt(), the interrupts are only disabled when
the condition "netif_running(netdev)" is true. However, this condition
causes kerenl hang in the following case. When the user requests to
disable the network device, kernel will clear the bit __LINK_STATE_START
from the dev->state and then call the driver's ndo_stop function. Network
device interrupts are not blocked during this process. If an interrupt
occurs between clearing __LINK_STATE_START and stopping network device,
kernel cannot disable the interrupts due to the condition
"netif_running(netdev)" in the ISR. Hence, kernel will hang due to the
continuous interruption of the network device.
In order to solve the above problem, the interrupts of the network device
should always be disabled in the ISR without being restricted by the
condition "netif_running(netdev)".
[V2]
Remove unnecessary curly braces.
Signed-off-by: Vincent Chen <vincentc@andestech.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The value of pitches is not correct while calling mode_set.
The issue we found so far on following system:
- Debian8 with XFCE Desktop
- Ubuntu with KDE Desktop
- SUSE15 with KDE Desktop
Signed-off-by: Y.C. Chen <yc_chen@aspeedtech.com>
Cc: <stable@vger.kernel.org>
Tested-by: Jean Delvare <jdelvare@suse.de>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Fix comment typo rxfliterctrl -> rxfilterctrl
Signed-off-by: Andrea Claudi <aclaudi@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Ursula Braun says:
====================
net/smc: fixes 2018-11-12
here is V4 of some net/smc fixes in different areas for the net tree.
v1->v2:
do not define 8-byte alignment for union smcd_cdc_cursor in
patch 4/5 "net/smc: atomic SMCD cursor handling"
v2->v3:
stay with 8-byte alignment for union smcd_cdc_cursor in
patch 4/5 "net/smc: atomic SMCD cursor handling", but get rid of
__packed for struct smcd_cdc_msg
v3->v4:
get rid of another __packed for struct smc_cdc_msg in
patch 4/5 "net/smc: atomic SMCD cursor handling"
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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In smc_wr_tx_put_slot() field pend->idx is used after being
cleared. That means always idx 0 is cleared in the wr_tx_mask.
This results in a broken administration of available WR send
payload buffers.
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Running uperf tests with SMCD on LPARs results in corrupted cursors.
SMCD cursors should be treated atomically to fix cursor corruption.
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When a SMC-D link group is freed, a shutdown signal should be sent to
the peer to indicate that the link group is invalid. This patch adds the
shutdown signal to the SMC code.
Signed-off-by: Hans Wippel <hwippel@linux.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When searching for an existing link group the queue pair number is also
to be taken into consideration. When the SMC server sends a new number
in a CLC packet (keeping all other values equal) then a new link group
is to be created on the SMC client side.
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In case of a non-blocking SMC socket, the initial CLC handshake is
performed over a blocking TCP connection in a worker. If the SMC socket
is released, smc_release has to wait for the blocking CLC socket
operations (e.g., kernel_connect) inside the worker.
This patch aborts a CLC connection when the respective non-blocking SMC
socket is released to avoid waiting on socket operations or timeouts.
Signed-off-by: Hans Wippel <hwippel@linux.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers
Kalle Valo says:
====================
wireless-drivers fixes for 4.20
First set of fixes for 4.20, this time we have quite a few them but
all very small.
ath9k
* fix a locking regression found by a static checker
wlcore
* fix a crash which was a regression with wakeirq handling
brcm80211
* yet another fix for 160 MHz channel handling
mt76
* fix a longstaning build problem when CONFIG_LEDS_CLASS is disabled
* don't use uninitialised mutex
iwlwifi
* do note that the iwlwifi merge tag (commit 4ec321c14693) seems to
contain wrong list of changes so ignore that
* fix ACPI data handling, a memory leak and other smaller fixes
ath10k
* fix a crash during suspend which was a recent regression
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Jean-Louis reported a TCP regression and bisected to recent SACK
compression.
After a loss episode (receiver not able to keep up and dropping
packets because its backlog is full), linux TCP stack is sending
a single SACK (DUPACK).
Sender waits a full RTO timer before recovering losses.
While RFC 6675 says in section 5, "Algorithm Details",
(2) If DupAcks < DupThresh but IsLost (HighACK + 1) returns true --
indicating at least three segments have arrived above the current
cumulative acknowledgment point, which is taken to indicate loss
-- go to step (4).
...
(4) Invoke fast retransmit and enter loss recovery as follows:
there are old TCP stacks not implementing this strategy, and
still counting the dupacks before starting fast retransmit.
While these stacks probably perform poorly when receivers implement
LRO/GRO, we should be a little more gentle to them.
This patch makes sure we do not enable SACK compression unless
3 dupacks have been sent since last rcv_nxt update.
Ideally we should even rearm the timer to send one or two
more DUPACK if no more packets are coming, but that will
be work aiming for linux-4.21.
Many thanks to Jean-Louis for bisecting the issue, providing
packet captures and testing this patch.
Fixes: 5d9f4262b7ea ("tcp: add SACK compression")
Reported-by: Jean-Louis Dupond <jean-louis@dupond.be>
Tested-by: Jean-Louis Dupond <jean-louis@dupond.be>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes a possible null pointer dereference in
do_load, detected by the semantic patch deref_null.cocci,
with the following warning:
./tools/bpf/bpftool/prog.c:1021:23-25: ERROR: map_replace is NULL but dereferenced.
The following code has potential null pointer references:
881 map_replace = reallocarray(map_replace, old_map_fds + 1,
882 sizeof(*map_replace));
883 if (!map_replace) {
884 p_err("mem alloc failed");
885 goto err_free_reuse_maps;
886 }
...
1019 err_free_reuse_maps:
1020 for (i = 0; i < old_map_fds; i++)
1021 close(map_replace[i].fd);
1022 free(map_replace);
Fixes: 3ff5a4dc5d89 ("tools: bpftool: allow reuse of maps with bpftool prog load")
Co-developed-by: Wen Yang <wen.yang99@zte.com.cn>
Signed-off-by: Wen Yang <wen.yang99@zte.com.cn>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Michał Mirosław says:
====================
VLAN tag handling cleanup
This is a cleanup set after VLAN_TAG_PRESENT removal. The CFI bit
handling is made similar to how other tag fields are used.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Replace open-coded bitfield manipulation with skb_vlan_tag_*() helpers.
This also enables correctly passing of VLAN.CFI bit.
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Abstract CFI/DEI bit access consistently with other VLAN tag fields.
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When a packet is trapped and the corresponding SKB marked as
already-forwarded, it retains this marking even after it is forwarded
across veth links into another bridge. There, since it ingresses the
bridge over veth, which doesn't have offload_fwd_mark, it triggers a
warning in nbp_switchdev_frame_mark().
Then nbp_switchdev_allowed_egress() decides not to allow egress from
this bridge through another veth, because the SKB is already marked, and
the mark (of 0) of course matches. Thus the packet is incorrectly
blocked.
Solve by resetting offload_fwd_mark() in skb_scrub_packet(). That
function is called from tunnels and also from veth, and thus catches the
cases where traffic is forwarded between bridges and transformed in a
way that invalidates the marking.
Fixes: 6bc506b4fb06 ("bridge: switchdev: Add forward mark support for stacked devices")
Fixes: abf4bb6b63d0 ("skbuff: Add the offload_mr_fwd_mark field")
Signed-off-by: Petr Machata <petrm@mellanox.com>
Suggested-by: Ido Schimmel <idosch@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Nikita V. Shirokov says:
====================
In this patch series I'm adding a helper for libbpf which would allow
it to load map-in-map(BPF_MAP_TYPE_ARRAY_OF_MAPS and BPF_MAP_TYPE_HASH_OF_MAPS).
First patch contains new helper + explains proposed workflow second patch
contains tests which also could be used as example usage.
v4->v5:
- naming: renamed everything to map_in_map instead of mapinmap
- start to return nonzero val if set_inner_map_fd failed
v3->v4:
- renamed helper to set_inner_map_fd
- now we set this value only if it haven't
been set before and only for (array|hash) of maps
v2->v3:
- fixing typo in patch description
- initializing inner_map_fd to -1 by default
v1->v2:
- addressing nits
- removing const identifier from fd in new helper
- starting to check return val for bpf_map_update_elem
====================
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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adding test/example of bpf_map__set_inner_map_fd usage
Signed-off-by: Nikita V. Shirokov <tehnerd@tehnerd.com>
Acked-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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idea is pretty simple. for specified map (pointed by struct bpf_map)
we would provide descriptor of already loaded map, which is going to be
used as a prototype for inner map. proposed workflow:
1) open bpf's object (bpf_object__open)
2) create bpf's map which is going to be used as a prototype
3) find (by name) map-in-map which you want to load and update w/
descriptor of inner map w/ a new helper from this patch
4) load bpf program w/ bpf_object__load
Signed-off-by: Nikita V. Shirokov <tehnerd@tehnerd.com>
Acked-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Use recently added capability check.
See commit 23499442c319 ("bpf: libbpf: retry map creation without
the name") for rationale.
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Instead, check for a newly created caps.name bpf_object capability.
If kernel doesn't support names, don't specify the attribute.
See commit 23499442c319 ("bpf: libbpf: retry map creation without
the name") for rationale.
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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It currently only checks whether kernel supports map/prog names.
This capability check will be used in the next two commits to
skip setting prog/map names.
Suggested-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Wrap headers in extern "C", to turn off C++ mangling.
This simplifies including libbpf in c++ and linking against it.
v2 changes:
* do the same for btf.h
v3 changes:
* test_libbpf.cpp to test for possible future c++ breakages
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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