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In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
by explicitly adding a break statement instead of just letting the code
fall through to the next case.
Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
by explicitly adding a break statement instead of just letting the code
fall through to the next case.
Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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In preparation to enable -Wimplicit-fallthrough for Clang, fix multiple
warnings by explicitly adding multiple break statements instead of just
letting the code fall through to the next case.
Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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In preparation to enable -Wimplicit-fallthrough for Clang, fix multiple
warnings by explicitly adding multiple break statements instead of just
letting the code fall through to the next case.
Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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In preparation to enable -Wimplicit-fallthrough for Clang, fix multiple
warnings by explicitly adding a couple of break statements instead of
just letting the code fall through to the next case.
Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
by explicitly adding a break statement instead of just letting the code
fall through to the next case.
Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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A bunch of header comments were showing warnings when compiling
with W=1. Fix them all at once. This changes only comments.
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Correct report warnings in ich8lan.c, netdev.c phy.c and ptp.c files
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Correct report warnings in igc_i225.c
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Acked-by: Paul Menzel <pmenzel@molgen.mpg.de>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Correct reported warnings for "warning: expecting prototype for ...
Prototype was for ... instead"
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull KUnit fixes from Shuah Khan:
"Two fixes to the kunit tool from David Gow"
* tag 'linux-kselftest-kunit-fixes-5.12-rc5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
kunit: tool: Disable PAGE_POISONING under --alltests
kunit: tool: Fix a python tuple typing error
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The structures are used as place holders, so they are modified at run-time.
Obviously they may not be constants.
BUG: unable to handle page fault for address: d0643220
...
CPU: 0 PID: 110 Comm: modprobe Not tainted 5.11.0+ #1
Hardware name: Intel Corp. QUARK/GalileoGen2, BIOS 0x01000200 01/01/2014
EIP: intel_quark_mfd_probe+0x93/0x1c0 [intel_quark_i2c_gpio]
This partially reverts the commit c4a164f41554d2899bed94bdcc499263f41787b4.
While at it, add a comment to avoid similar changes in the future.
Fixes: c4a164f41554 ("mfd: Constify static struct resources")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Tested-by: Tong Zhang <ztong0001@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Skip BTF fixup step when input object file is missing BTF altogether.
Fixes: 8fd27bf69b86 ("libbpf: Add BPF static linker BTF and BTF.ext support")
Reported-by: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Tested-by: Jiri Olsa <jolsa@redhat.com>
Link: https://lore.kernel.org/bpf/20210319205909.1748642-3-andrii@kernel.org
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Report the driver name, ASIC ID and the switch name via devlink. This is a
useful information for user space tooling.
Signed-off-by: Kurt Kanzenbach <kurt@kmk-computers.de>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use a temporary variable to hold the return value from
dsa_tag_driver_get() instead of assigning it to dst->tag_ops. Leaving
an error value in dst->tag_ops can result in deferencing an invalid
pointer when a deferred switch configuration happens later.
Fixes: 357f203bb3b5 ("net: dsa: keep a copy of the tagging protocol in the DSA switch tree")
Signed-off-by: George McCollister <george.mccollister@gmail.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pablo Neira Ayuso says:
====================
Netfilter updates for net-next
The following batch contains Netfilter updates for net-next:
1) Split flowtable workqueues per events, from Oz Shlomo.
2) fall-through warnings for clang, from Gustavo A. R. Silva
3) Remove unused declaration in conntrack, from YueHaibing.
4) Consolidate skb_try_make_writable() in flowtable datapath,
simplify some of the existing codebase.
5) Call dst_check() to fall back to static classic forwarding path.
6) Update table flags from commit phase.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5 fixes 2021-03-22
This series introduces some fixes to mlx5 driver.
Please pull and let me know if there is any problem.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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When adding CONFIG_PCPU_DEV_REFCNT, I forgot that the
initial net device refcount was 0.
When CONFIG_PCPU_DEV_REFCNT is not set, this means
the first dev_hold() triggers an illegal refcount
operation (addition on 0)
refcount_t: addition on 0; use-after-free.
WARNING: CPU: 0 PID: 1 at lib/refcount.c:25 refcount_warn_saturate+0x128/0x1a4
Fix is to change initial (and final) refcount to be 1.
Also add a missing kerneldoc piece, as reported by
Stephen Rothwell.
Fixes: 919067cc845f ("net: add CONFIG_PCPU_DEV_REFCNT")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Guenter Roeck <groeck@google.com>
Tested-by: Guenter Roeck <groeck@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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gcc-11 complains about a prototype declaration that is different
from the function definition:
drivers/isdn/capi/kcapi.c:724:44: error: argument 2 of type ‘u8 *’ {aka ‘unsigned char *’} declared as a pointer [-Werror=array-parameter=]
724 | u16 capi20_get_manufacturer(u32 contr, u8 *buf)
| ~~~~^~~
In file included from drivers/isdn/capi/kcapi.c:13:
drivers/isdn/capi/kcapi.h:62:43: note: previously declared as an array ‘u8[64]’ {aka ‘unsigned char[64]’}
62 | u16 capi20_get_manufacturer(u32 contr, u8 buf[CAPI_MANUFACTURER_LEN]);
| ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/isdn/capi/kcapi.c:790:38: error: argument 2 of type ‘u8 *’ {aka ‘unsigned char *’} declared as a pointer [-Werror=array-parameter=]
790 | u16 capi20_get_serial(u32 contr, u8 *serial)
| ~~~~^~~~~~
In file included from drivers/isdn/capi/kcapi.c:13:
drivers/isdn/capi/kcapi.h:64:37: note: previously declared as an array ‘u8[8]’ {aka ‘unsigned char[8]’}
64 | u16 capi20_get_serial(u32 contr, u8 serial[CAPI_SERIAL_LEN]);
| ~~~^~~~~~~~~~~~~~~~~~~~~~~
Change the definition to make them match.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Ioana Ciornei says:
====================
dpaa2-switch: offload bridge port flags to device
Add support for offloading bridge port flags to the switch. With this
patch set, the learning, broadcast flooding and unknown ucast/mcast
flooding states will be user configurable.
Apart from that, the last patch is a small fix that configures the
offload_fwd_mark if the switch port is under a bridge or not.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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If a switch port is under a bridge, the offload_fwd_mark should be setup
before sending the skb towards the stack so that the bridge does not try
to flood the packet on the other switch ports.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add support for configuring per port unknown flooding by accepting both
BR_FLOOD and BR_MCAST_FLOOD as offloadable bridge port flags.
The DPAA2 switch does not support at the moment configuration of unknown
multicast flooding independently of unknown unicast flooding, therefore
check that both BR_FLOOD and BR_MCAST_FLOOD have the same state.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The BR_BCAST_FLOOD bridge port flag is now accepted by the driver and a
change in its state will determine a reconfiguration of the broadcast
egress flooding list on the FDB associated with the port.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add support for configuring the learning state of a switch port.
When the user requests the HW learning to be disabled, a fast-age
procedure on that specific port is run so that previously learnt
addresses do not linger.
At device probe as well as on a bridge leave action, the ports are
configured with HW learning disabled since they are basically a
standalone port.
At the same time, at bridge join we inherit the bridge port BR_LEARNING
flag state and configure it on the switch port.
There were already some MC firmware ABI functions for changing the
learning state, but those were per FDB (bridging domain) and not per
port so we need to adjust those to use the new MC fw command which is
per port.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Extract the code that determines the list of egress flood interfaces for
a specific flood type into a new function -
dpaa2_switch_fdb_get_flood_cfg().
This will help us to not duplicate code when the broadcast and
unknown ucast/mcast flooding domains will be individually configurable.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In order to avoid a forward declaration in the next patches, move the
dpaa2_switch_fdb_set_egress_flood() function to the top of the file.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Aleksander Jan Bajkowski says:
====================
net: dsa: lantiq: add support for xRX300 and xRX330
Changed since v3:
* fixed last compilation warning
Changed since v2:
* fixed compilation warnings
* removed example bindings for xrx330
* patches has been refactored due to upstream changes
Changed since v1:
* gswip_mii_mask_cfg() can now change port 3 on xRX330
* changed alowed modes on port 0 and 5 for xRX300 and xRX330
* moved common part of phylink validation into gswip_phylink_set_capab()
* verify the compatible string against the hardware
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add compatible string for xRX300 and xRX330 SoCs.
Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Verify compatible string against hardware.
Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch allows to use all PHYs on GRX300 and GRX330. The ARX300
has 3 and the GRX330 has 4 integrated PHYs connected to different
ports compared to VRX200. Each integrated PHY can work as single
Gigabit Ethernet PHY (GMII) or as double Fast Ethernet PHY (MII).
Allowed port configurations:
xRX200:
GMAC0: RGMII, MII, REVMII or RMII port
GMAC1: RGMII, MII, REVMII or RMII port
GMAC2: GPHY0 (GMII)
GMAC3: GPHY0 (MII)
GMAC4: GPHY1 (GMII)
GMAC5: GPHY1 (MII) or RGMII port
xRX300:
GMAC0: RGMII port
GMAC1: GPHY2 (GMII)
GMAC2: GPHY0 (GMII)
GMAC3: GPHY0 (MII)
GMAC4: GPHY1 (GMII)
GMAC5: GPHY1 (MII) or RGMII port
xRX330:
GMAC0: RGMII, GMII or RMII port
GMAC1: GPHY2 (GMII)
GMAC2: GPHY0 (GMII)
GMAC3: GPHY0 (MII) or GPHY3 (GMII)
GMAC4: GPHY1 (GMII)
GMAC5: GPHY1 (MII), RGMII or RMII port
Tested on D-Link DWR966 (xRX330) with OpenWRT.
Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue
Tony Nguyen says:
====================
100GbE Intel Wired LAN Driver Updates 2021-03-22
This series contains updates to ice and iavf drivers.
Haiyue Wang says:
The Intel E810 Series supports a programmable pipeline for a domain
specific protocols classification, for example GTP by Dynamic Device
Personalization (DDP) profile.
The E810 PF has introduced flex-bytes support by ethtool user-def option
allowing for packet deeper matching based on an offset and value for DDP
usage.
For making VF also benefit from this flexible protocol classification,
some new virtchnl messages are defined and handled by PF, so VF can
query this new flow director capability, and use ethtool with extending
the user-def option to configure Rx flow classification.
The new user-def 0xAAAABBBBCCCCDDDD: BBBB is the 2 byte pattern while
AAAA corresponds to its offset in the packet. Similarly DDDD is the 2
byte pattern with CCCC being the corresponding offset. The offset ranges
from 0x0 to 0x1F7 (up to 504 bytes into the packet). The offset starts
from the beginning of the packet.
This feature can be used to allow customers to set flow director rules
for protocols headers that are beyond standard ones supported by
ethtool (e.g. PFCP or GTP-U).
Like for matching GTP-U's TEID value 0x10203040:
ethtool -N ens787f0v0 flow-type udp4 dst-port 2152 \
user-def 0x002e102000303040 action 13
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Ido Schimmel says:
====================
mlxsw: Preparations for resilient nexthop groups
This patchset contains preparations for resilient nexthop groups support in
mlxsw. A follow-up patchset will add support and selftests. Most of the
patches are trivial and small to make review easier.
Patchset overview:
Patch #1 removes RTNL assertion in nexthop notifier block since it is
not needed. The assertion will trigger when mlxsw starts processing
notifications related to resilient groups as not all are emitted with
RTNL held.
Patches #2-#9 gradually add support for nexthops with trap action. Up
until now mlxsw did not program nexthops whose neighbour entry was not
resolved. This will not work with resilient groups as their size is
fixed and the nexthop mapped to each bucket is determined by the nexthop
code. Therefore, nexthops whose neighbour entry is not resolved will be
programmed to trap packets to the CPU in order to trigger neighbour
resolution.
Patch #10 is a non-functional change to allow for code reuse between
regular nexthop groups and resilient ones.
Patch #11 avoids unnecessary neighbour updates in hardware. See the
commit message for a detailed explanation.
Patches #12-#14 add support for additional nexthop group sizes that are
supported by Spectrum-{2,3} ASICs.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Spectrum-{2,3} support different adjacency group size ranges compared to
Spectrum-1. Add an array describing these ranges and change the common
code to use the array which was set during the per-ASIC initialization.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The device supports a fixed set of adjacency group sizes. Encode these
sizes in an array, so that the next patch will be able to split it
between Spectrum-1 and Spectrum-{2,3}, which support different size
ranges.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There are several differences in the router module between Spectrum-1
and Spectrum-{2,3}. Currently, this is only apparent in the router
interface (RIF) operations that are split between these ASICs.
A subsequent patch is going to introduce another difference between
these ASICs.
Create per-ASIC router operations that will encapsulate all these
differences. For now, these operations are only used to set the per-ASIC
RIF operations in 'mlxsw_sp->router->rif_ops_arr'. Note that this fields
was unused since commit 1f5b23033937 ("mlxsw: spectrum: Set RIF ops per
ASIC type").
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Avoid updating neighbour and adjacency entries in hardware when the
neighbour is already connected and its MAC address did not change. This
can happen, for example, when neighbour transitions between valid states
such as 'NUD_REACHABLE' and 'NUD_DELAY'.
This is especially important for resilient hashing as these updates will
result in adjacency entries being marked as active.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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function
The validation of a nexthop group entry is also necessary for resilient
nexthop groups, so break the validation to a separate function to allow
for code reuse in subsequent patches.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Encapsulate this functionality in a separate function, so that it could
be invoked by follow-up patches, when replacing a nexthop bucket that is
part of a resilient nexthop group.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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mlxsw_sp_nexthop_update() is used to update the configuration of
Ethernet-type nexthops, as opposed to mlxsw_sp_nexthop_ipip_update(),
which is used to update IPinIP-type nexthops.
Rename the function to mlxsw_sp_nexthop_eth_update(), so that it is
consistent with mlxsw_sp_nexthop_ipip_update().
It will allow us to introduce mlxsw_sp_nexthop_update() in a follow-up
patch, which calls either of above mentioned function based on the
nexthop's type.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, nexthops are programmed with either forward or discard action
(for blackhole nexthops). Nexthops that do not have a valid MAC address
(neighbour) or router interface (RIF) are simply not written to the
adjacency table.
In resilient nexthop groups, the size of the group must remain fixed and
the kernel is in complete control of the layout of the adjacency table.
A nexthop without a valid MAC or RIF will therefore be written with a
trap action, to trigger neighbour resolution.
Allow such nexthops to be programmed to the adjacency table to enable
above mentioned use case.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Nexthops that need to be programmed with a trap action might not have a
valid router interface (RIF) associated with them. Therefore, use the
loopback RIF created during initialization to program them to the
device.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, the action associated with the nexthop is assumed to be
'forward' unless the 'discard' bit is set.
Instead, simplify this by introducing a dedicated field to represent the
action of the nexthop. This will allow us to more easily introduce more
actions, such as trap.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The comments assume that nexthops are simple Ethernet nexthops
that are programmed to forward packets to the associated neighbour. This
is no longer the case, as both IPinIP and blackhole nexthops are now
supported.
Adjust the comments to reflect these changes.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The helper returns the MAC address associated with the nexthop. It is
only valid when the nexthop forwards packets and when it is an Ethernet
nexthop. Reflect this in the checks the helper is performing.
This is not an issue because the sole caller of the function only
invokes it for such nexthops.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The helper mlxsw_sp_nexthop_offload() is actually interested in finding
out if the nexthop is both written to the adjacency table and forwarding
packets (as opposed to discarding them).
Rename it to mlxsw_sp_nexthop_is_forward() and remove
mlxsw_sp_nexthop_is_discard().
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove the RTNL assertion in the nexthop notifier block. The assertion
is not needed given RTNL is never assumed to be taken.
This is a preparation for future patches where mlxsw will start handling
nexthop events that are not always sent with RTNL held.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Recently we had an interop issue where RARP packets got suppressed with
bridge neigh suppression enabled, but the check in the code was meant to
suppress GARP. Exclude RARP packets from it which would allow some VMWare
setups to work, to quote the report:
"Those RARP packets usually get generated by vMware to notify physical
switches when vMotion occurs. vMware may use random sip/tip or just use
sip=tip=0. So the RARP packet sometimes get properly flooded by the vtep
and other times get dropped by the logic"
Reported-by: Amer Abdalamer <amer@nvidia.com>
Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
xps_queue_show is mostly made of an RCU read-side critical section and
calls bitmap_zalloc with GFP_KERNEL in the middle of it. That is not
allowed as this call may sleep and such behaviours aren't allowed in RCU
read-side critical sections. Fix this by using GFP_NOWAIT instead.
Fixes: 5478fcd0f483 ("net: embed nr_ids in the xps maps")
Reported-by: kernel test robot <oliver.sang@intel.com>
Suggested-by: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Antoine Tenart <atenart@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Get rid of the CONFIG_PM_SLEEP ifdefery to fix the build error
and use __maybe_unused for the suspend()/resume() hooks to avoid
build warning:
drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c:769:21:
error: 'stmmac_runtime_suspend' undeclared here (not in a function); did you mean 'stmmac_suspend'?
769 | SET_RUNTIME_PM_OPS(stmmac_runtime_suspend, stmmac_runtime_resume, NULL)
| ^~~~~~~~~~~~~~~~~~~~~~
./include/linux/pm.h:342:21: note: in definition of macro 'SET_RUNTIME_PM_OPS'
342 | .runtime_suspend = suspend_fn, \
| ^~~~~~~~~~
drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c:769:45:
error: 'stmmac_runtime_resume' undeclared here (not in a function)
769 | SET_RUNTIME_PM_OPS(stmmac_runtime_suspend, stmmac_runtime_resume, NULL)
| ^~~~~~~~~~~~~~~~~~~~~
./include/linux/pm.h:343:20: note: in definition of macro 'SET_RUNTIME_PM_OPS'
343 | .runtime_resume = resume_fn, \
| ^~~~~~~~~
Fixes: 5ec55823438e ("net: stmmac: add clocks management for gmac driver")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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s/verifed/verified/
Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
