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While adding the SPDX headers I noticed we're also missing
a header guard.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Link: https://patch.msgid.link/20241115015344.757567-3-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Paolo noticed that we are missing SPDX headers, add them.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Link: https://patch.msgid.link/20241115015344.757567-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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We use pcim_enable_device(), there is no need to call pci_disable_device().
Fixes: 546dd90be979 ("eth: fbnic: Add scaffolding for Meta's NIC driver")
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20241115014809.754860-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Since '1 << rocker_port->pport' may be undefined for port >= 32,
cast the left operand to 'unsigned long long' like it's done in
'rocker_port_set_enable()' above. Compile tested only.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Link: https://patch.msgid.link/20241114151946.519047-1-dmantipov@yandex.ru
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Because optimizing the power consumption of t7XX,
change auto suspend time to 5000.
The Tests uses a script to loop through the power_state
of t7XX.
(for example: /sys/bus/pci/devices/0000\:72\:00.0/power_state)
* If Auto suspend is 20 seconds,
test script show power_state have 0~5% of the time was in D3 state
when host don't have data packet transmission.
* Changed auto suspend time to 5 seconds,
test script show power_state have 50%~80% of the time was in D3 state
when host don't have data packet transmission.
We tested Fibocom FM350 and our products using the t7xx and they all
benefited from this.
Signed-off-by: Jack Wu <wojackbb@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>
Link: https://patch.msgid.link/20241114102002.481081-1-wojackbb@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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AM65 CPSW hardware can map the 6-bit DSCP/TOS field to
appropriate priority queue via DSCP to Priority mapping registers
(CPSW_PN_RX_PRI_MAP_REG).
Use a default DSCP to User Priority (UP) mapping as per
https://datatracker.ietf.org/doc/html/rfc8325#section-4.3
and
https://datatracker.ietf.org/doc/html/rfc8622#section-11
Signed-off-by: Roger Quadros <rogerq@kernel.org>
Reviewed-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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IEEE802.1Q-2014 supersedes IEEE802.1D-2004. Now Priority Code Point (PCP)
2 is no longer at a lower priority than PCP 0. PCP 1 (Background) is still
at a lower priority than PCP 0 (Best Effort).
Reference:
IEEE802.1Q-2014, Standard for Local and metropolitan area networks
Table I-2 - Traffic type acronyms
Table I-3 - Defining traffic types
Signed-off-by: Roger Quadros <rogerq@kernel.org>
Reviewed-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Reviewed-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Now, we support AF_XDP(xsk). Add NETDEV_XDP_ACT_XSK_ZEROCOPY to
xdp_features.
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Link: https://patch.msgid.link/20241112012928.102478-14-xuanzhuo@linux.alibaba.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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If send queue sent some packets, we update the tx timeout
record to prevent the tx timeout.
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Link: https://patch.msgid.link/20241112012928.102478-13-xuanzhuo@linux.alibaba.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The driver's tx napi is very important for XSK. It is responsible for
obtaining data from the XSK queue and sending it out.
At the beginning, we need to trigger tx napi.
virtnet_free_old_xmit distinguishes three type ptr(skb, xdp frame, xsk
buffer) by the last bits of the pointer.
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Link: https://patch.msgid.link/20241112012928.102478-12-xuanzhuo@linux.alibaba.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Since xsk's TX queue is consumed by TX NAPI, if sq is bound to xsk, then
we must stop tx napi from being disabled.
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Link: https://patch.msgid.link/20241112012928.102478-11-xuanzhuo@linux.alibaba.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This patch implement the logic of bind/unbind xsk pool to sq and rq.
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Link: https://patch.msgid.link/20241112012928.102478-10-xuanzhuo@linux.alibaba.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Because the af-xdp will introduce a new xmit type, so I refactor the
xmit type mechanism first.
We know both xdp_frame and sk_buff are at least 4 bytes aligned.
For the xdp tx, we do not pass any pointer to virtio core as data,
we just need to pass the len of the packet. So we will push len
to the void pointer. We can make sure the pointer is 4 bytes aligned.
And the data structure of AF_XDP also is at least 4 bytes aligned.
So the last two bits of the pointers are free, we can't use these to
distinguish them.
00 for skb
01 for SKB_ORPHAN
10 for XDP
11 for AF-XDP tx
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Link: https://patch.msgid.link/20241112012928.102478-9-xuanzhuo@linux.alibaba.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Now, this API is useless. remove it.
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Link: https://patch.msgid.link/20241112012928.102478-8-xuanzhuo@linux.alibaba.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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virtio-net rq submits premapped per-buffer by setting sg page to NULL;
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Link: https://patch.msgid.link/20241112012928.102478-7-xuanzhuo@linux.alibaba.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2024-11-05 (ice, ixgbe, igc. igb, igbvf, e1000)
For ice:
Mateusz refactors and adds additional SerDes configuration values to be
output.
Przemek refactors processing of DDP and adds support for a flag field in
the DDP's signature segment header.
Joe Damato adds support for persistent NAPI config.
Brett adjusts setting of Tx promiscuous based on unicast/multicast
setting.
Jake moves setting of pf->supported_rxdids to occur directly after DDP
load and changes a small struct to use stack memory.
Frederic Weisbecker adds WQ_UNBOUND flag to the workqueue.
For ixgbe:
Diomidis Spinellis removes a circular dependency.
For igc:
Vitaly removes an unneeded autoneg parameter.
For igb:
Johnny Park fixes a couple of typos.
For igbvf:
Wander Lairson Costa removes an unused spinlock.
For e1000:
Joe Damato adds RTNL lock to some calls where it is expected to be held.
* '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue:
e1000: Hold RTNL when e1000_down can be called
igbvf: remove unused spinlock
igb: Fix 2 typos in comments in igb_main.c
igc: remove autoneg parameter from igc_mac_info
ixgbe: Break include dependency cycle
ice: Unbind the workqueue
ice: use stack variable for virtchnl_supported_rxdids
ice: initialize pf->supported_rxdids immediately after loading DDP
ice: only allow Tx promiscuous for multicast
ice: Add support for persistent NAPI config
ice: support optional flags in signature segment header
ice: refactor "last" segment of DDP pkg
ice: extend dump serdes equalizer values feature
ice: rework of dump serdes equalizer values feature
====================
Link: https://patch.msgid.link/20241113185431.1289708-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In a similar fashion to ndo_fdb_add, which was covered in the previous
patch, add the bool *notified argument to ndo_fdb_del. Callees that send a
notification on their own set the flag to true.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://patch.msgid.link/06b1acf4953ef0a5ed153ef1f32d7292044f2be6.1731589511.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Currently when FDB entries are added to or deleted from a VXLAN netdevice,
the VXLAN driver emits one notification, including the VXLAN-specific
attributes. The core however always sends a notification as well, a generic
one. Thus two notifications are unnecessarily sent for these operations. A
similar situation comes up with bridge driver, which also emits
notifications on its own:
# ip link add name vx type vxlan id 1000 dstport 4789
# bridge monitor fdb &
[1] 1981693
# bridge fdb add de:ad:be:ef:13:37 dev vx self dst 192.0.2.1
de:ad:be:ef:13:37 dev vx dst 192.0.2.1 self permanent
de:ad:be:ef:13:37 dev vx self permanent
In order to prevent this duplicity, add a paremeter to ndo_fdb_add,
bool *notified. The flag is primed to false, and if the callee sends a
notification on its own, it sets it to true, thus informing the core that
it should not generate another notification.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://patch.msgid.link/cbf6ae8195e85cbf922f8058ce4eba770f3b71ed.1731589511.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Remove unnecessary spaces.
Signed-off-by: Justin Lai <justinlai0215@realtek.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20241114112549.376101-3-justinlai0215@realtek.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Modify the name of the goto label in rtase_init_one().
Signed-off-by: Justin Lai <justinlai0215@realtek.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20241114112549.376101-2-justinlai0215@realtek.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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There is a spelling mistake in a NL_SET_ERR_MSG_MOD error message.
Fix it.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://patch.msgid.link/20241114102012.1868514-1-colin.i.king@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Move the kdump check into enic_adjust_resources() so that everything
that modifies resources is in the same function.
Co-developed-by: John Daley <johndale@cisco.com>
Signed-off-by: John Daley <johndale@cisco.com>
Co-developed-by: Satish Kharat <satishkh@cisco.com>
Signed-off-by: Satish Kharat <satishkh@cisco.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Nelson Escobar <neescoba@cisco.com>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20241113-remove_vic_resource_limits-v4-7-a34cf8570c67@cisco.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Move the enic resource adjustments out of enic_set_intr_mode() and into
its own function, enic_adjust_resources().
Co-developed-by: John Daley <johndale@cisco.com>
Signed-off-by: John Daley <johndale@cisco.com>
Co-developed-by: Satish Kharat <satishkh@cisco.com>
Signed-off-by: Satish Kharat <satishkh@cisco.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Nelson Escobar <neescoba@cisco.com>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20241113-remove_vic_resource_limits-v4-6-a34cf8570c67@cisco.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Instead of failing to use MSI-X if resources aren't configured exactly
right, use the resources we do have. Since we could start using large
numbers of rq resources, we do limit the rq count to what
netif_get_num_default_rss_queues() recommends.
Co-developed-by: John Daley <johndale@cisco.com>
Signed-off-by: John Daley <johndale@cisco.com>
Co-developed-by: Satish Kharat <satishkh@cisco.com>
Signed-off-by: Satish Kharat <satishkh@cisco.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Nelson Escobar <neescoba@cisco.com>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20241113-remove_vic_resource_limits-v4-5-a34cf8570c67@cisco.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Allocate wq, rq, cq, intr, and napi arrays based on the number of
resources configured in the VIC.
Co-developed-by: John Daley <johndale@cisco.com>
Signed-off-by: John Daley <johndale@cisco.com>
Co-developed-by: Satish Kharat <satishkh@cisco.com>
Signed-off-by: Satish Kharat <satishkh@cisco.com>
Signed-off-by: Nelson Escobar <neescoba@cisco.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20241113-remove_vic_resource_limits-v4-4-a34cf8570c67@cisco.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Save the resources counts for wq,rq,cq, and interrupts in *_avail variables
so that we don't lose the information when adjusting the counts we are
actually using.
Report the wq_avail and rq_avail as the channel maximums in 'ethtool -l'
output.
Co-developed-by: John Daley <johndale@cisco.com>
Signed-off-by: John Daley <johndale@cisco.com>
Co-developed-by: Satish Kharat <satishkh@cisco.com>
Signed-off-by: Satish Kharat <satishkh@cisco.com>
Signed-off-by: Nelson Escobar <neescoba@cisco.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20241113-remove_vic_resource_limits-v4-3-a34cf8570c67@cisco.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The VIC hardware has a constraint that the MSIX interrupt used for errors
be specified as a 7 bit number. Before this patch, it was allocated after
the I/O interrupts, which would cause a problem if 128 or more I/O
interrupts are in use.
So make the required interrupts come before the I/O interrupts to
guarantee the error interrupt offset never exceeds 7 bits.
Co-developed-by: John Daley <johndale@cisco.com>
Signed-off-by: John Daley <johndale@cisco.com>
Co-developed-by: Satish Kharat <satishkh@cisco.com>
Signed-off-by: Satish Kharat <satishkh@cisco.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Nelson Escobar <neescoba@cisco.com>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20241113-remove_vic_resource_limits-v4-2-a34cf8570c67@cisco.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Bundling the wq/rq specific data into dedicated enic_wq/rq structures
cleans up the enic structure and simplifies future changes related to
wq/rq.
Co-developed-by: John Daley <johndale@cisco.com>
Signed-off-by: John Daley <johndale@cisco.com>
Co-developed-by: Satish Kharat <satishkh@cisco.com>
Signed-off-by: Satish Kharat <satishkh@cisco.com>
Signed-off-by: Nelson Escobar <neescoba@cisco.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20241113-remove_vic_resource_limits-v4-1-a34cf8570c67@cisco.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When configuring flow steering rules, the driver is currently going
through a reset for all errors from the device. Instead, the driver
should only reset when there's a timeout error from the device.
Fixes: 57718b60df9b ("gve: Add flow steering adminq commands")
Cc: stable@vger.kernel.org
Signed-off-by: Ziwei Xiao <ziweixiao@google.com>
Signed-off-by: Jeroen de Borst <jeroendb@google.com>
Reviewed-by: Harshitha Ramamurthy <hramamurthy@google.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20241113175930.2585680-1-jeroendb@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Adds support for clause-45 PHY loopback for the Microchip LAN887x driver.
Signed-off-by: Tarun Alle <Tarun.Alle@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20241114101951.382996-1-Tarun.Alle@microchip.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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phylib has two eee_enabled members. Some parts of the code are using
phydev->eee_enabled, other parts are using phydev->eee_cfg.eee_enabled.
This leads to incorrect behaviour as their state goes out of sync.
ethtool --show-eee shows incorrect information, and --set-eee sometimes
doesn't take effect.
Fix this by only having one eee_enabled member - that in eee_cfg.
Fixes: 49168d1980e2 ("net: phy: Add phy_support_eee() indicating MAC support EEE")
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://patch.msgid.link/E1tBXAF-00341F-EQ@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Current implementation of gettimex64() makes at least 3 PCIe reads to
get current PHC time. It takes at least 2.2us to get this value back to
userspace. At the same time there is cached value of upper bits of PHC
available for packet timestamps already. This patch reuses cached value
to speed up reading of PHC time.
Signed-off-by: Vadim Fedorenko <vadfed@meta.com>
Reviewed-by: Michael Chan <michael.chan@broadcom.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/20241114114820.1411660-1-vadfed@meta.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Ethtool ntuple filters with FLOW_RSS were originally defined as adding
the base queue ID (ring_cookie) to the value from the indirection table,
so that the same table could distribute over more than one set of queues
when used by different filters.
However, some drivers / hardware ignore the ring_cookie, and simply use
the indirection table entries as queue IDs directly. Thus, for drivers
which have not opted in by setting ethtool_ops.cap_rss_rxnfc_adds to
declare that they support the original (addition) semantics, reject in
ethtool_set_rxnfc any filter which combines FLOW_RSS and a nonzero ring.
(For a ring_cookie of zero, both behaviours are equivalent.)
Set the cap bit in sfc, as it is known to support this feature.
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Reviewed-by: Martin Habets <habetsm.xilinx@gmail.com>
Link: https://patch.msgid.link/cc3da0844083b0e301a33092a6299e4042b65221.1731499022.git.ecree.xilinx@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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After assembling the new private flags on a PF, the operation to determine
the changed flags uses the wrong bitmaps. Instead of xor-ing orig_flags
with new_flags, it uses the still unchanged pf->flags, thus changed_flags
is always 0.
Fix it by using the correct bitmaps.
The issue was discovered while debugging why disabling source pruning
stopped working with release 6.7. Although the new flags will be copied to
pf->flags later on in that function, disabling source pruning requires
a reset of the PF, which was skipped due to this bug.
Disabling source pruning:
$ sudo ethtool --set-priv-flags eno1 disable-source-pruning on
$ sudo ethtool --show-priv-flags eno1
Private flags for eno1:
MFP : off
total-port-shutdown : off
LinkPolling : off
flow-director-atr : on
veb-stats : off
hw-atr-eviction : off
link-down-on-close : off
legacy-rx : off
disable-source-pruning: on
disable-fw-lldp : off
rs-fec : off
base-r-fec : off
vf-vlan-pruning : off
Regarding reproducing:
I observed the issue with a rather complicated lab setup, where
* two VLAN interfaces are created on eno1
* each with a different MAC address assigned
* each moved into a separate namespace
* both VLANs are bridged externally, so they form a single layer 2 network
The external bridge is done via a channel emulator adding packet loss and
delay and the application in the namespaces tries to send/receive traffic
and measure the performance. Sender and receiver are separated by
namespaces, yet the network card "sees its own traffic" send back to it.
To make that work, source pruning has to be disabled.
Cc: stable@vger.kernel.org
Fixes: 70756d0a4727 ("i40e: Use DECLARE_BITMAP for flags and hw_features fields in i40e_pf")
Signed-off-by: Peter Große <pegro@friiks.de>
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Link: https://patch.msgid.link/20241113210705.1296408-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The sparx5 switchdev driver can be built either with or without support
for the Lan969x switch. However, it cannot be built-in when the lan969x
driver is a loadable module because of a link-time dependency:
arm-linux-gnueabi-ld: drivers/net/ethernet/microchip/sparx5/sparx5_main.o:(.rodata+0xd44): undefined reference to `lan969x_desc'
Add a Kconfig dependency to reflect this in Kconfig, allowing all
the valid configurations but forcing sparx5 to be a loadable module
as well if lan969x is.
Fixes: 98a01119608d ("net: sparx5: add compatible string for lan969x")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Daniel Machon <daniel.machon@microchip.com>
Link: https://patch.msgid.link/20241113115513.4132548-1-arnd@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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We recently added this error path. We need to call enetc_pci_remove()
before returning. It cleans up the resources from enetc_pci_probe().
Fixes: 99100d0d9922 ("net: enetc: add preliminary support for i.MX95 ENETC PF")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Wei Fang <wei.fang@nxp.com>
Link: https://patch.msgid.link/93888efa-c838-4682-a7e5-e6bf318e844e@stanley.mountain
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The DP83869 PHY transceiver supports converting from RGMII to 1000base-x.
In this operation mode, autonegotiation can be performed, as described in
IEEE802.3.
The DP83869 has a set of fiber-specific registers located at offset 0xc00.
When the transceiver is configured in RGMII-to-1000base-x mode, these
registers are mapped onto offset 0, which should make reading the
autonegotiation status transparent.
However, the fiber registers at offset 0xc04 and 0xc05 follow the bit
layout specified in Clause 37, and genphy_read_status() assumes a Clause 22
layout. Thus, genphy_read_status() doesn't properly read the capabilities
advertised by the link partner, resulting in incorrect link parameters.
Similarly, genphy_config_aneg() doesn't properly write advertised
capabilities.
Fix the 1000base-x autonegotiation procedure by replacing
genphy_read_status() and genphy_config_aneg() with their Clause 37
equivalents.
Fixes: a29de52ba2a1 ("net: dp83869: Add ability to advertise Fiber connection")
Cc: stable@vger.kernel.org
Signed-off-by: Romain Gantois <romain.gantois@bootlin.com>
Link: https://patch.msgid.link/20241112-dp83869-1000base-x-v3-1-36005f4ab0d9@bootlin.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The mdio45_ethtool_gset_npage() function isn't called, so let's remove
it.
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Link: https://patch.msgid.link/20241112105430.438491-2-alistair@alistair23.me
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Vendor driver r8125 doesn't advertise 2.5G EEE on RTL8125A, and r8126
doesn't advertise 5G EEE. Likely there are compatibility issues,
therefore do the same in r8169.
With this change we don't have to disable 2.5G EEE advertisement in
rtl8125a_config_eee_phy() any longer.
We use new phylib accessor phy_set_eee_broken() to mark the respective
EEE modes as broken.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://patch.msgid.link/ce185e10-8a2f-4cf8-a49b-fd8fb3c3c8a1@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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eee_broken_modes has a eee_cap1 register layout currently. This doen't
allow to flag e.g. 2.5Gbps or 5Gbps BaseT EEE as broken. To overcome
this limitation switch eee_broken_modes to a linkmode bitmap.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://patch.msgid.link/dfe0c9ff-84b0-4328-86d7-e917ebc084a1@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Cross-merge networking fixes after downstream PR (net-6.12-rc8).
Conflicts:
tools/testing/selftests/net/.gitignore
252e01e68241 ("selftests: net: add netlink-dumps to .gitignore")
be43a6b23829 ("selftests: ncdevmem: Move ncdevmem under drivers/net/hw")
https://lore.kernel.org/all/20241113122359.1b95180a@canb.auug.org.au/
drivers/net/phy/phylink.c
671154f174e0 ("net: phylink: ensure PHY momentary link-fails are handled")
7530ea26c810 ("net: phylink: remove "using_mac_select_pcs"")
Adjacent changes:
drivers/net/ethernet/stmicro/stmmac/dwmac-intel-plat.c
5b366eae7193 ("stmmac: dwmac-intel-plat: fix call balance of tx_clk handling routines")
e96321fad3ad ("net: ethernet: Switch back to struct platform_driver::remove()")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add support for the 'ethtool -d <dev>' command to retrieve and print
a register dump for fbnic. The dump defaults to version 1 and consists
of two parts: all the register sections that can be dumped linearly, and
an RPC RAM section that is structured in an interleaved fashion and
requires special handling. For each register section, the dump also
contains the start and end boundary information which can simplify parsing.
Signed-off-by: Mohsin Bashir <mohsin.bashr@gmail.com>
Link: https://patch.msgid.link/20241112222605.3303211-1-mohsin.bashr@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Commit 4598380f9c54 ("bonding: fix ns validation on backup slaves")
tried to resolve the issue where backup slaves couldn't be brought up when
receiving IPv6 Neighbor Solicitation (NS) messages. However, this fix only
worked for drivers that receive all multicast messages, such as the veth
interface.
For standard drivers, the NS multicast message is silently dropped because
the slave device is not a member of the NS target multicast group.
To address this, we need to make the slave device join the NS target
multicast group, ensuring it can receive these IPv6 NS messages to validate
the slave’s status properly.
There are three policies before joining the multicast group:
1. All settings must be under active-backup mode (alb and tlb do not support
arp_validate), with backup slaves and slaves supporting multicast.
2. We can add or remove multicast groups when arp_validate changes.
3. Other operations, such as enslaving, releasing, or setting NS targets,
need to be guarded by arp_validate.
Fixes: 4e24be018eb9 ("bonding: add new parameter ns_targets")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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The first PPS latch time needs to be calculated by the driver
(in rounded off seconds) and configured as the start time
offset for the cycle. After synchronizing two PTP clocks
running as master/slave, missing this would cause master
and slave to start immediately with some milliseconds
drift which causes the PPS signal to never synchronize with
the PTP master.
Fixes: 186734c15886 ("net: ti: icssg-prueth: add packet timestamping and ptp support")
Signed-off-by: Meghana Malladi <m-malladi@ti.com>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Reviewed-by: MD Danish Anwar <danishanwar@ti.com>
Link: https://patch.msgid.link/20241111095842.478833-1-m-malladi@ti.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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LAN9646 switch is a 6-port switch with functions like KSZ9897. It has
4 internal PHYs and 1 SGMII port. The chip id read from hardware is
same as KSZ9477, so software driver needs to create a new chip id and
group allowable functions under its chip data structure to
differentiate the product.
Signed-off-by: Tristram Ha <tristram.ha@microchip.com>
Link: https://patch.msgid.link/20241109015705.82685-3-Tristram.Ha@microchip.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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If the clock dwmac->tx_clk was not enabled in intel_eth_plat_probe,
it should not be disabled in any path.
Conversely, if it was enabled in intel_eth_plat_probe, it must be disabled
in all error paths to ensure proper cleanup.
Found by Linux Verification Center (linuxtesting.org) with Klever.
Fixes: 9efc9b2b04c7 ("net: stmmac: Add dwmac-intel-plat for GBE driver")
Signed-off-by: Vitalii Mordan <mordan@ispras.ru>
Link: https://patch.msgid.link/20241108173334.2973603-1-mordan@ispras.ru
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The mediatek,mac-wol property is being handled backwards to what is
described in the binding: it currently enables PHY WOL when the property
is present and vice versa. Invert the driver logic so it matches the
binding description.
Fixes: fd1d62d80ebc ("net: stmmac: replace the use_phy_wol field with a flag")
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Link: https://patch.msgid.link/20241109-mediatek-mac-wol-noninverted-v2-1-0e264e213878@collabora.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Normally, phylib won't notify changes in quick succession. However, as
a result of commit 3e43b903da04 ("net: phy: Immediately call
adjust_link if only tx_lpi_enabled changes") this is no longer true -
it is now possible that phy_link_down() and phy_link_up() will both
complete before phylink's resolver has run, which means it'll miss that
pl->phy_state.link momentarily became false.
Rename "mac_link_dropped" to be more generic "link_failed" since it will
cover more than the MAC/PCS end of the link failing, and arrange to set
this in phylink_phy_change() if we notice that the PHY reports that the
link is down.
This will ensure that we capture an EEE reconfiguration event.
Fixes: 3e43b903da04 ("net: phy: Immediately call adjust_link if only tx_lpi_enabled changes")
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de>
Link: https://patch.msgid.link/E1tAtcW-002RBS-LB@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Indicate that dwmac_socfpga has a gmac. This will make sure that
gmac-specific interrupt processing is done, including timestamp
interrupt handling. Without this, the external snapshot interrupt is
never ack'd and we have an interrupt storm on external snapshot event.
Reviewed-by: Daniel Machon <daniel.machon@microchip.com>
Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Link: https://patch.msgid.link/20241112170658.2388529-10-maxime.chevallier@bootlin.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The PTP_TCR (Timestamp Control Register) is used to configure several
features related to packet timestamping.
On one hand, it configures the 1588 packet processing, to indicate what
types of frames should be timestamped (all, only 1588v1 or 1588v2, using
L2 or L4 timestamping, on IPv4 or IPv6, etc.). This is congfigured
usually through the ioctl / ndo dedicated for such setup. This
configuration is done by setting some fields in that register, that seem
to behave the same way on all dwmac variants, including DWMAC1000.
On the other hand, and only on DWMAC1000 apparently, some fields in that
register are used to configure external snapshots (bits 24/25).
On DWMAC4 and others, these fields are reserved and external
snapshots are configured through a dedicated register that simply
doesn't seem to exist on DWMAC1000.
This configuration is done in the dwmac1000-specific ptp_clock_info ops
(cf dwmac1000_ptp_enable()).
So to avoid the timestamping configuration interfering with the external
snapshots, this commit makes sure that the config_hw_tstamping only
configures the relevant bits in PTP_TCR, so that the DWMAC1000
timestamping can correctly rely on these otherwise reserved fields.
Reviewed-by: Daniel Machon <daniel.machon@microchip.com>
Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Link: https://patch.msgid.link/20241112170658.2388529-9-maxime.chevallier@bootlin.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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