<feed xmlns='http://www.w3.org/2005/Atom'>
<title>linux.git/drivers/net, branch v6.4-rc1</title>
<subtitle>Linux kernel source tree</subtitle>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/'/>
<entry>
<title>Merge tag 'net-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net</title>
<updated>2023-05-06T02:12:01+00:00</updated>
<author>
<name>Linus Torvalds</name>
<email>torvalds@linux-foundation.org</email>
</author>
<published>2023-05-06T02:12:01+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/commit/?id=ed23734c23d2fc1e6a1ff80f8c2b82faeed0ed0c'/>
<id>ed23734c23d2fc1e6a1ff80f8c2b82faeed0ed0c</id>
<content type='text'>
Pull networking fixes from Jakub Kicinski:
 "Including fixes from netfilter.

  Current release - regressions:

   - sched: act_pedit: free pedit keys on bail from offset check

  Current release - new code bugs:

   - pds_core:
      - Kconfig fixes (DEBUGFS and AUXILIARY_BUS)
      - fix mutex double unlock in error path

  Previous releases - regressions:

   - sched: cls_api: remove block_cb from driver_list before freeing

   - nf_tables: fix ct untracked match breakage

   - eth: mtk_eth_soc: drop generic vlan rx offload

   - sched: flower: fix error handler on replace

  Previous releases - always broken:

   - tcp: fix skb_copy_ubufs() vs BIG TCP

   - ipv6: fix skb hash for some RST packets

   - af_packet: don't send zero-byte data in packet_sendmsg_spkt()

   - rxrpc: timeout handling fixes after moving client call connection
     to the I/O thread

   - ixgbe: fix panic during XDP_TX with &gt; 64 CPUs

   - igc: RMW the SRRCTL register to prevent losing timestamp config

   - dsa: mt7530: fix corrupt frames using TRGMII on 40 MHz XTAL MT7621

   - r8152:
      - fix flow control issue of RTL8156A
      - fix the poor throughput for 2.5G devices
      - move setting r8153b_rx_agg_chg_indicate() to fix coalescing
      - enable autosuspend

   - ncsi: clear Tx enable mode when handling a Config required AEN

   - octeontx2-pf: macsec: fixes for CN10KB ASIC rev

  Misc:

   - 9p: remove INET dependency"

* tag 'net-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (69 commits)
  net: bcmgenet: Remove phy_stop() from bcmgenet_netif_stop()
  pds_core: fix mutex double unlock in error path
  net/sched: flower: fix error handler on replace
  Revert "net/sched: flower: Fix wrong handle assignment during filter change"
  net/sched: flower: fix filter idr initialization
  net: fec: correct the counting of XDP sent frames
  bonding: add xdp_features support
  net: enetc: check the index of the SFI rather than the handle
  sfc: Add back mailing list
  virtio_net: suppress cpu stall when free_unused_bufs
  ice: block LAN in case of VF to VF offload
  net: dsa: mt7530: fix network connectivity with multiple CPU ports
  net: dsa: mt7530: fix corrupt frames using trgmii on 40 MHz XTAL MT7621
  9p: Remove INET dependency
  netfilter: nf_tables: fix ct untracked match breakage
  af_packet: Don't send zero-byte data in packet_sendmsg_spkt().
  igc: read before write to SRRCTL register
  pds_core: add AUXILIARY_BUS and NET_DEVLINK to Kconfig
  pds_core: remove CONFIG_DEBUG_FS from makefile
  ionic: catch failure from devlink_alloc
  ...
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Pull networking fixes from Jakub Kicinski:
 "Including fixes from netfilter.

  Current release - regressions:

   - sched: act_pedit: free pedit keys on bail from offset check

  Current release - new code bugs:

   - pds_core:
      - Kconfig fixes (DEBUGFS and AUXILIARY_BUS)
      - fix mutex double unlock in error path

  Previous releases - regressions:

   - sched: cls_api: remove block_cb from driver_list before freeing

   - nf_tables: fix ct untracked match breakage

   - eth: mtk_eth_soc: drop generic vlan rx offload

   - sched: flower: fix error handler on replace

  Previous releases - always broken:

   - tcp: fix skb_copy_ubufs() vs BIG TCP

   - ipv6: fix skb hash for some RST packets

   - af_packet: don't send zero-byte data in packet_sendmsg_spkt()

   - rxrpc: timeout handling fixes after moving client call connection
     to the I/O thread

   - ixgbe: fix panic during XDP_TX with &gt; 64 CPUs

   - igc: RMW the SRRCTL register to prevent losing timestamp config

   - dsa: mt7530: fix corrupt frames using TRGMII on 40 MHz XTAL MT7621

   - r8152:
      - fix flow control issue of RTL8156A
      - fix the poor throughput for 2.5G devices
      - move setting r8153b_rx_agg_chg_indicate() to fix coalescing
      - enable autosuspend

   - ncsi: clear Tx enable mode when handling a Config required AEN

   - octeontx2-pf: macsec: fixes for CN10KB ASIC rev

  Misc:

   - 9p: remove INET dependency"

* tag 'net-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (69 commits)
  net: bcmgenet: Remove phy_stop() from bcmgenet_netif_stop()
  pds_core: fix mutex double unlock in error path
  net/sched: flower: fix error handler on replace
  Revert "net/sched: flower: Fix wrong handle assignment during filter change"
  net/sched: flower: fix filter idr initialization
  net: fec: correct the counting of XDP sent frames
  bonding: add xdp_features support
  net: enetc: check the index of the SFI rather than the handle
  sfc: Add back mailing list
  virtio_net: suppress cpu stall when free_unused_bufs
  ice: block LAN in case of VF to VF offload
  net: dsa: mt7530: fix network connectivity with multiple CPU ports
  net: dsa: mt7530: fix corrupt frames using trgmii on 40 MHz XTAL MT7621
  9p: Remove INET dependency
  netfilter: nf_tables: fix ct untracked match breakage
  af_packet: Don't send zero-byte data in packet_sendmsg_spkt().
  igc: read before write to SRRCTL register
  pds_core: add AUXILIARY_BUS and NET_DEVLINK to Kconfig
  pds_core: remove CONFIG_DEBUG_FS from makefile
  ionic: catch failure from devlink_alloc
  ...
</pre>
</div>
</content>
</entry>
<entry>
<title>Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next</title>
<updated>2023-05-05T20:35:45+00:00</updated>
<author>
<name>Jakub Kicinski</name>
<email>kuba@kernel.org</email>
</author>
<published>2023-05-05T20:35:45+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/commit/?id=644bca1d48139ad77570c24d22bafaf8e438cf03'/>
<id>644bca1d48139ad77570c24d22bafaf8e438cf03</id>
<content type='text'>
There's a fix which landed in net-next, pull it in along
with the couple of minor cleanups.

Signed-off-by: Jakub Kicinski &lt;kuba@kernel.org&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
There's a fix which landed in net-next, pull it in along
with the couple of minor cleanups.

Signed-off-by: Jakub Kicinski &lt;kuba@kernel.org&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>net: bcmgenet: Remove phy_stop() from bcmgenet_netif_stop()</title>
<updated>2023-05-05T09:03:56+00:00</updated>
<author>
<name>Florian Fainelli</name>
<email>f.fainelli@gmail.com</email>
</author>
<published>2023-05-04T23:07:27+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/commit/?id=93e0401e0fc0c54b0ac05b687cd135c2ac38187c'/>
<id>93e0401e0fc0c54b0ac05b687cd135c2ac38187c</id>
<content type='text'>
The call to phy_stop() races with the later call to phy_disconnect(),
resulting in concurrent phy_suspend() calls being run from different
CPUs. The final call to phy_disconnect() ensures that the PHY is
stopped and suspended, too.

Fixes: c96e731c93ff ("net: bcmgenet: connect and disconnect from the PHY state machine")
Signed-off-by: Florian Fainelli &lt;f.fainelli@gmail.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
The call to phy_stop() races with the later call to phy_disconnect(),
resulting in concurrent phy_suspend() calls being run from different
CPUs. The final call to phy_disconnect() ensures that the PHY is
stopped and suspended, too.

Fixes: c96e731c93ff ("net: bcmgenet: connect and disconnect from the PHY state machine")
Signed-off-by: Florian Fainelli &lt;f.fainelli@gmail.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>pds_core: fix mutex double unlock in error path</title>
<updated>2023-05-05T09:02:47+00:00</updated>
<author>
<name>Shannon Nelson</name>
<email>shannon.nelson@amd.com</email>
</author>
<published>2023-05-04T20:44:59+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/commit/?id=1e76f42779d6a2e45107b34d79d86a57b8077630'/>
<id>1e76f42779d6a2e45107b34d79d86a57b8077630</id>
<content type='text'>
Fix a double unlock in an error handling path by unlocking as soon as
the error is seen and removing unlocks in the error cleanup path.

Link: https://lore.kernel.org/kernel-janitors/209a09f6-5ec6-40c7-a5ec-6260d8f54d25@kili.mountain/
Fixes: 523847df1b37 ("pds_core: add devcmd device interfaces")
Reported-by: Dan Carpenter &lt;dan.carpenter@linaro.org&gt;
Signed-off-by: Shannon Nelson &lt;shannon.nelson@amd.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Fix a double unlock in an error handling path by unlocking as soon as
the error is seen and removing unlocks in the error cleanup path.

Link: https://lore.kernel.org/kernel-janitors/209a09f6-5ec6-40c7-a5ec-6260d8f54d25@kili.mountain/
Fixes: 523847df1b37 ("pds_core: add devcmd device interfaces")
Reported-by: Dan Carpenter &lt;dan.carpenter@linaro.org&gt;
Signed-off-by: Shannon Nelson &lt;shannon.nelson@amd.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>net: fec: correct the counting of XDP sent frames</title>
<updated>2023-05-05T08:58:06+00:00</updated>
<author>
<name>Shenwei Wang</name>
<email>shenwei.wang@nxp.com</email>
</author>
<published>2023-05-04T15:35:17+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/commit/?id=26312c685ae0bca61e06ac75ee158b1e69546415'/>
<id>26312c685ae0bca61e06ac75ee158b1e69546415</id>
<content type='text'>
In the current xdp_xmit implementation, if any single frame fails to
transmit due to insufficient buffer descriptors, the function nevertheless
reports success in sending all frames. This results in erroneously
indicating that frames were transmitted when in fact they were dropped.

This patch fixes the issue by ensureing the return value properly
indicates the actual number of frames successfully transmitted, rather than
potentially reporting success for all frames when some could not transmit.

Fixes: 6d6b39f180b8 ("net: fec: add initial XDP support")
Signed-off-by: Gagandeep Singh &lt;g.singh@nxp.com&gt;
Signed-off-by: Shenwei Wang &lt;shenwei.wang@nxp.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
In the current xdp_xmit implementation, if any single frame fails to
transmit due to insufficient buffer descriptors, the function nevertheless
reports success in sending all frames. This results in erroneously
indicating that frames were transmitted when in fact they were dropped.

This patch fixes the issue by ensureing the return value properly
indicates the actual number of frames successfully transmitted, rather than
potentially reporting success for all frames when some could not transmit.

Fixes: 6d6b39f180b8 ("net: fec: add initial XDP support")
Signed-off-by: Gagandeep Singh &lt;g.singh@nxp.com&gt;
Signed-off-by: Shenwei Wang &lt;shenwei.wang@nxp.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>bonding: add xdp_features support</title>
<updated>2023-05-05T08:34:23+00:00</updated>
<author>
<name>Lorenzo Bianconi</name>
<email>lorenzo@kernel.org</email>
</author>
<published>2023-05-04T09:52:49+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/commit/?id=cb9e6e584d58420df182102674e636fb841dae4c'/>
<id>cb9e6e584d58420df182102674e636fb841dae4c</id>
<content type='text'>
Introduce xdp_features support for bonding driver according to the slave
devices attached to the master one. xdp_features is required whenever we
want to xdp_redirect traffic into a bond device and then into selected
slaves attached to it.

Reviewed-by: Simon Horman &lt;simon.horman@corigine.com&gt;
Acked-by: Jay Vosburgh &lt;jay.vosburgh@canonical.com&gt;
Fixes: 66c0e13ad236 ("drivers: net: turn on XDP features")
Signed-off-by: Lorenzo Bianconi &lt;lorenzo@kernel.org&gt;
Reviewed-by: Jussi Maki &lt;joamaki@gmail.com&gt;
Tested-by: Jussi Maki &lt;joamaki@gmail.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Introduce xdp_features support for bonding driver according to the slave
devices attached to the master one. xdp_features is required whenever we
want to xdp_redirect traffic into a bond device and then into selected
slaves attached to it.

Reviewed-by: Simon Horman &lt;simon.horman@corigine.com&gt;
Acked-by: Jay Vosburgh &lt;jay.vosburgh@canonical.com&gt;
Fixes: 66c0e13ad236 ("drivers: net: turn on XDP features")
Signed-off-by: Lorenzo Bianconi &lt;lorenzo@kernel.org&gt;
Reviewed-by: Jussi Maki &lt;joamaki@gmail.com&gt;
Tested-by: Jussi Maki &lt;joamaki@gmail.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>net: enetc: check the index of the SFI rather than the handle</title>
<updated>2023-05-05T08:32:36+00:00</updated>
<author>
<name>Wei Fang</name>
<email>wei.fang@nxp.com</email>
</author>
<published>2023-05-04T08:03:59+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/commit/?id=299efdc2380aac588557f4d0b2ce7bee05bd0cf2'/>
<id>299efdc2380aac588557f4d0b2ce7bee05bd0cf2</id>
<content type='text'>
We should check whether the current SFI (Stream Filter Instance) table
is full before creating a new SFI entry. However, the previous logic
checks the handle by mistake and might lead to unpredictable behavior.

Fixes: 888ae5a3952b ("net: enetc: add tc flower psfp offload driver")
Signed-off-by: Wei Fang &lt;wei.fang@nxp.com&gt;
Reviewed-by: Leon Romanovsky &lt;leonro@nvidia.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
We should check whether the current SFI (Stream Filter Instance) table
is full before creating a new SFI entry. However, the previous logic
checks the handle by mistake and might lead to unpredictable behavior.

Fixes: 888ae5a3952b ("net: enetc: add tc flower psfp offload driver")
Signed-off-by: Wei Fang &lt;wei.fang@nxp.com&gt;
Reviewed-by: Leon Romanovsky &lt;leonro@nvidia.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>virtio_net: suppress cpu stall when free_unused_bufs</title>
<updated>2023-05-05T08:30:28+00:00</updated>
<author>
<name>Wenliang Wang</name>
<email>wangwenliang.1995@bytedance.com</email>
</author>
<published>2023-05-04T02:27:06+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/commit/?id=f8bb5104394560e29017c25bcade4c6b7aabd108'/>
<id>f8bb5104394560e29017c25bcade4c6b7aabd108</id>
<content type='text'>
For multi-queue and large ring-size use case, the following error
occurred when free_unused_bufs:
rcu: INFO: rcu_sched self-detected stall on CPU.

Fixes: 986a4f4d452d ("virtio_net: multiqueue support")
Signed-off-by: Wenliang Wang &lt;wangwenliang.1995@bytedance.com&gt;
Acked-by: Michael S. Tsirkin &lt;mst@redhat.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
For multi-queue and large ring-size use case, the following error
occurred when free_unused_bufs:
rcu: INFO: rcu_sched self-detected stall on CPU.

Fixes: 986a4f4d452d ("virtio_net: multiqueue support")
Signed-off-by: Wenliang Wang &lt;wangwenliang.1995@bytedance.com&gt;
Acked-by: Michael S. Tsirkin &lt;mst@redhat.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>ice: block LAN in case of VF to VF offload</title>
<updated>2023-05-05T08:29:21+00:00</updated>
<author>
<name>Michal Swiatkowski</name>
<email>michal.swiatkowski@linux.intel.com</email>
</author>
<published>2023-05-03T15:39:35+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/commit/?id=9f699b71c2f31c51bd1483a20e1c8ddc5986a8c9'/>
<id>9f699b71c2f31c51bd1483a20e1c8ddc5986a8c9</id>
<content type='text'>
VF to VF traffic shouldn't go outside. To enforce it, set only the loopback
enable bit in case of all ingress type rules added via the tc tool.

Fixes: 0d08a441fb1a ("ice: ndo_setup_tc implementation for PF")
Reported-by: Sujai Buvaneswaran &lt;Sujai.Buvaneswaran@intel.com&gt;
Signed-off-by: Michal Swiatkowski &lt;michal.swiatkowski@linux.intel.com&gt;
Tested-by: George Kuruvinakunnel &lt;george.kuruvinakunnel@intel.com&gt;
Reviewed-by: Simon Horman &lt;simon.horman@corigine.com&gt;
Signed-off-by: Tony Nguyen &lt;anthony.l.nguyen@intel.com&gt;
Reviewed-by: Leon Romanovsky &lt;leonro@nvidia.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
VF to VF traffic shouldn't go outside. To enforce it, set only the loopback
enable bit in case of all ingress type rules added via the tc tool.

Fixes: 0d08a441fb1a ("ice: ndo_setup_tc implementation for PF")
Reported-by: Sujai Buvaneswaran &lt;Sujai.Buvaneswaran@intel.com&gt;
Signed-off-by: Michal Swiatkowski &lt;michal.swiatkowski@linux.intel.com&gt;
Tested-by: George Kuruvinakunnel &lt;george.kuruvinakunnel@intel.com&gt;
Reviewed-by: Simon Horman &lt;simon.horman@corigine.com&gt;
Signed-off-by: Tony Nguyen &lt;anthony.l.nguyen@intel.com&gt;
Reviewed-by: Leon Romanovsky &lt;leonro@nvidia.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>net: dsa: mt7530: fix network connectivity with multiple CPU ports</title>
<updated>2023-05-05T08:22:04+00:00</updated>
<author>
<name>Arınç ÜNAL</name>
<email>arinc.unal@arinc9.com</email>
</author>
<published>2023-05-02T21:09:47+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/commit/?id=120a56b01beed51ab5956a734adcfd2760307107'/>
<id>120a56b01beed51ab5956a734adcfd2760307107</id>
<content type='text'>
On mt753x_cpu_port_enable() there's code that enables flooding for the CPU
port only. Since mt753x_cpu_port_enable() runs twice when both CPU ports
are enabled, port 6 becomes the only port to forward the frames to. But
port 5 is the active port, so no frames received from the user ports will
be forwarded to port 5 which breaks network connectivity.

Every bit of the BC_FFP, UNM_FFP, and UNU_FFP bits represents a port. Fix
this issue by setting the bit that corresponds to the CPU port without
overwriting the other bits.

Clear the bits beforehand only for the MT7531 switch. According to the
documents MT7621 Giga Switch Programming Guide v0.3 and MT7531 Reference
Manual for Development Board v1.0, after reset, the BC_FFP, UNM_FFP, and
UNU_FFP bits are set to 1 for MT7531, 0 for MT7530.

The commit 5e5502e012b8 ("net: dsa: mt7530: fix roaming from DSA user
ports") silently changed the method to set the bits on the MT7530_MFC.
Instead of clearing the relevant bits before mt7530_cpu_port_enable()
which runs under a for loop, the commit started doing it on
mt7530_cpu_port_enable().

Back then, this didn't really matter as only a single CPU port could be
used since the CPU port number was hardcoded. The driver was later changed
with commit 1f9a6abecf53 ("net: dsa: mt7530: get cpu-port via dp-&gt;cpu_dp
instead of constant") to retrieve the CPU port via dp-&gt;cpu_dp. With that,
this silent change became an issue for when using multiple CPU ports.

Fixes: 5e5502e012b8 ("net: dsa: mt7530: fix roaming from DSA user ports")
Signed-off-by: Arınç ÜNAL &lt;arinc.unal@arinc9.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
On mt753x_cpu_port_enable() there's code that enables flooding for the CPU
port only. Since mt753x_cpu_port_enable() runs twice when both CPU ports
are enabled, port 6 becomes the only port to forward the frames to. But
port 5 is the active port, so no frames received from the user ports will
be forwarded to port 5 which breaks network connectivity.

Every bit of the BC_FFP, UNM_FFP, and UNU_FFP bits represents a port. Fix
this issue by setting the bit that corresponds to the CPU port without
overwriting the other bits.

Clear the bits beforehand only for the MT7531 switch. According to the
documents MT7621 Giga Switch Programming Guide v0.3 and MT7531 Reference
Manual for Development Board v1.0, after reset, the BC_FFP, UNM_FFP, and
UNU_FFP bits are set to 1 for MT7531, 0 for MT7530.

The commit 5e5502e012b8 ("net: dsa: mt7530: fix roaming from DSA user
ports") silently changed the method to set the bits on the MT7530_MFC.
Instead of clearing the relevant bits before mt7530_cpu_port_enable()
which runs under a for loop, the commit started doing it on
mt7530_cpu_port_enable().

Back then, this didn't really matter as only a single CPU port could be
used since the CPU port number was hardcoded. The driver was later changed
with commit 1f9a6abecf53 ("net: dsa: mt7530: get cpu-port via dp-&gt;cpu_dp
instead of constant") to retrieve the CPU port via dp-&gt;cpu_dp. With that,
this silent change became an issue for when using multiple CPU ports.

Fixes: 5e5502e012b8 ("net: dsa: mt7530: fix roaming from DSA user ports")
Signed-off-by: Arınç ÜNAL &lt;arinc.unal@arinc9.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</pre>
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