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When number of LMACs active on a CGX/RPM are 3, then
current NIX link credit config based on per lmac fifo
length which inturn is calculated as
'lmac_fifo_len = total_fifo_len / 3', is incorrect. In HW
one of the LMAC gets half of the FIFO and rest gets 1/4th.
Signed-off-by: Nithin Dabilpuram <ndabilpuram@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: Geetha Sowjanya <gakula@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Move qca8k driver to qca dir in preparation for code split and
introduction of ipq4019 switch based on qca8k.
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
1) Support 802.1ad for bridge offloads
Vlad Buslov Says:
=================
Current mlx5 bridge VLAN offload implementation only supports 802.1Q VLAN
Ethernet protocol. That protocol type is assumed by default and
SWITCHDEV_ATTR_ID_BRIDGE_VLAN_PROTOCOL notification is ignored.
In order to support dynamically setting VLAN protocol handle
SWITCHDEV_ATTR_ID_BRIDGE_VLAN_PROTOCOL notification by flushing FDB and
re-creating VLAN modify header actions with a new protocol. Implement support
for 802.1ad protocol by saving the current VLAN protocol to per-bridge variable
and re-create the necessary flow groups according to its current value (either
use cvlan or svlan flow fields).
==================
2) debugfs to count ongoing FW commands
3) debugfs to query eswitch vport firmware diagnostic counters
4) Add missing meter configuration in flow action
5) Some misc cleanup
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Merge tag 'mlx5-updates-2022-07-13' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5-updates-2022-07-13
1) Support 802.1ad for bridge offloads
Vlad Buslov Says:
=================
Current mlx5 bridge VLAN offload implementation only supports 802.1Q VLAN
Ethernet protocol. That protocol type is assumed by default and
SWITCHDEV_ATTR_ID_BRIDGE_VLAN_PROTOCOL notification is ignored.
In order to support dynamically setting VLAN protocol handle
SWITCHDEV_ATTR_ID_BRIDGE_VLAN_PROTOCOL notification by flushing FDB and
re-creating VLAN modify header actions with a new protocol. Implement support
for 802.1ad protocol by saving the current VLAN protocol to per-bridge variable
and re-create the necessary flow groups according to its current value (either
use cvlan or svlan flow fields).
==================
2) debugfs to count ongoing FW commands
3) debugfs to query eswitch vport firmware diagnostic counters
4) Add missing meter configuration in flow action
5) Some misc cleanup
* tag 'mlx5-updates-2022-07-13' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux:
net/mlx5e: Remove the duplicating check for striding RQ when enabling LRO
net/mlx5e: Move the LRO-XSK check to mlx5e_fix_features
net/mlx5e: Extend flower police validation
net/mlx5e: configure meter in flow action
net/mlx5e: Removed useless code in function
net/mlx5: Bridge, implement QinQ support
net/mlx5: Bridge, implement infrastructure for VLAN protocol change
net/mlx5: Bridge, extract VLAN push/pop actions creation
net/mlx5: Bridge, rename filter fg to vlan_filter
net/mlx5: Bridge, refactor groups sizes and indices
net/mlx5: debugfs, Add num of in-use FW command interface slots
net/mlx5: Expose vnic diagnostic counters for eswitch managed vports
net/mlx5: Use software VHCA id when it's supported
net/mlx5: Introduce ifc bits for using software vhca id
net/mlx5: Use the bitmap API to allocate bitmaps
====================
Link: https://lore.kernel.org/r/20220713225859.401241-1-saeed@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The return value is not used, so change the return value type to void.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
nfp_tun_write_neigh() function will configure a tunnel neighbour when
calling nfp_tun_neigh_event_handler() or nfp_flower_cmsg_process_one_rx()
(with no tunnel neighbour type) from firmware.
When configuring IP on physical port as a tunnel endpoint, no operation
will be performed after receiving the cmsg mentioned above.
Therefore, add a progress to configure tunnel neighbour in this case.
v2: Correct format of fixes tag.
Fixes: f1df7956c11f ("nfp: flower: rework tunnel neighbour configuration")
Signed-off-by: Tianyu Yuan <tianyu.yuan@corigine.com>
Reviewed-by: Louis Peens <louis.peens@corigine.com>
Reviewed-by: Baowen Zheng <baowen.zheng@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/r/20220714081915.148378-1-simon.horman@corigine.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Below commit claims that atlantic NIC requires to reset the device on pm
op, and had set the deep to true for all suspend/resume functions.
commit 1809c30b6e5a ("net: atlantic: always deep reset on pm op, fixing up my null deref regression")
So, we could remove deep parameter on suspend/resume functions without
any functional change.
Fixes: 1809c30b6e5a ("net: atlantic: always deep reset on pm op, fixing up my null deref regression")
Signed-off-by: Chia-Lin Kao (AceLan) <acelan.kao@canonical.com>
Link: https://lore.kernel.org/r/20220713111224.1535938-1-acelan.kao@canonical.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
When creating VFs a kernel panic can happen when calling to
efx_ef10_try_update_nic_stats_vf.
When releasing a DMA coherent buffer, sometimes, I don't know in what
specific circumstances, it has to unmap memory with vunmap. It is
disallowed to do that in IRQ context or with BH disabled. Otherwise, we
hit this line in vunmap, causing the crash:
BUG_ON(in_interrupt());
This patch reenables BH to release the buffer.
Log messages when the bug is hit:
kernel BUG at mm/vmalloc.c:2727!
invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
CPU: 6 PID: 1462 Comm: NetworkManager Kdump: loaded Tainted: G I --------- --- 5.14.0-119.el9.x86_64 #1
Hardware name: Dell Inc. PowerEdge R740/06WXJT, BIOS 2.8.2 08/27/2020
RIP: 0010:vunmap+0x2e/0x30
...skip...
Call Trace:
__iommu_dma_free+0x96/0x100
efx_nic_free_buffer+0x2b/0x40 [sfc]
efx_ef10_try_update_nic_stats_vf+0x14a/0x1c0 [sfc]
efx_ef10_update_stats_vf+0x18/0x40 [sfc]
efx_start_all+0x15e/0x1d0 [sfc]
efx_net_open+0x5a/0xe0 [sfc]
__dev_open+0xe7/0x1a0
__dev_change_flags+0x1d7/0x240
dev_change_flags+0x21/0x60
...skip...
Fixes: d778819609a2 ("sfc: DMA the VF stats only when requested")
Reported-by: Ma Yuying <yuma@redhat.com>
Signed-off-by: Íñigo Huguet <ihuguet@redhat.com>
Acked-by: Edward Cree <ecree.xilinx@gmail.com>
Link: https://lore.kernel.org/r/20220713092116.21238-1-ihuguet@redhat.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Check the retrieved grant reference first; there's no point trying to
have xennet_move_rx_slot() move invalid data (and further defer
recognition of the issue, likely making diagnosis yet more difficult).
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
In talk_to_netback(), called earlier from xennet_connect(), queues and
shared rings were just re-initialized, so all this function call could
result in is setting ->broken (again) right away in case any unconsumed
responses were found.
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Set the maximum time firmware should poll for a link.
If not set firmware could block CPU for a long time resulting
in mailbox failures. If link doesn't come up within 1second,
firmware will anyway notify the status as and when LINK comes up
Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com>
Signed-off-by: Geetha Sowjanya <gakula@marvell.com>
Link: https://lore.kernel.org/r/20220712161815.12621-1-gakula@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2022-07-12
This series contains updates to ice driver only.
Paul fixes detection of E822 devices for firmware update and changes NVM
read for snapshot creation to be done in chunks as some systems cannot
read the entire NVM in the allotted time.
====================
Link: https://lore.kernel.org/r/20220712164829.7275-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Use after free is detected by kfence when disabling sriov. What was read
after being freed was vf->pci_dev: it was freed from pci_disable_sriov
and later read in efx_ef10_sriov_free_vf_vports, called from
efx_ef10_sriov_free_vf_vswitching.
Set the pointer to NULL at release time to not trying to read it later.
Reproducer and dmesg log (note that kfence doesn't detect it every time):
$ echo 1 > /sys/class/net/enp65s0f0np0/device/sriov_numvfs
$ echo 0 > /sys/class/net/enp65s0f0np0/device/sriov_numvfs
BUG: KFENCE: use-after-free read in efx_ef10_sriov_free_vf_vswitching+0x82/0x170 [sfc]
Use-after-free read at 0x00000000ff3c1ba5 (in kfence-#224):
efx_ef10_sriov_free_vf_vswitching+0x82/0x170 [sfc]
efx_ef10_pci_sriov_disable+0x38/0x70 [sfc]
efx_pci_sriov_configure+0x24/0x40 [sfc]
sriov_numvfs_store+0xfe/0x140
kernfs_fop_write_iter+0x11c/0x1b0
new_sync_write+0x11f/0x1b0
vfs_write+0x1eb/0x280
ksys_write+0x5f/0xe0
do_syscall_64+0x5c/0x80
entry_SYSCALL_64_after_hwframe+0x44/0xae
kfence-#224: 0x00000000edb8ef95-0x00000000671f5ce1, size=2792, cache=kmalloc-4k
allocated by task 6771 on cpu 10 at 3137.860196s:
pci_alloc_dev+0x21/0x60
pci_iov_add_virtfn+0x2a2/0x320
sriov_enable+0x212/0x3e0
efx_ef10_sriov_configure+0x67/0x80 [sfc]
efx_pci_sriov_configure+0x24/0x40 [sfc]
sriov_numvfs_store+0xba/0x140
kernfs_fop_write_iter+0x11c/0x1b0
new_sync_write+0x11f/0x1b0
vfs_write+0x1eb/0x280
ksys_write+0x5f/0xe0
do_syscall_64+0x5c/0x80
entry_SYSCALL_64_after_hwframe+0x44/0xae
freed by task 6771 on cpu 12 at 3170.991309s:
device_release+0x34/0x90
kobject_cleanup+0x3a/0x130
pci_iov_remove_virtfn+0xd9/0x120
sriov_disable+0x30/0xe0
efx_ef10_pci_sriov_disable+0x57/0x70 [sfc]
efx_pci_sriov_configure+0x24/0x40 [sfc]
sriov_numvfs_store+0xfe/0x140
kernfs_fop_write_iter+0x11c/0x1b0
new_sync_write+0x11f/0x1b0
vfs_write+0x1eb/0x280
ksys_write+0x5f/0xe0
do_syscall_64+0x5c/0x80
entry_SYSCALL_64_after_hwframe+0x44/0xae
Fixes: 3c5eb87605e85 ("sfc: create vports for VFs and assign random MAC addresses")
Reported-by: Yanghang Liu <yanghliu@redhat.com>
Signed-off-by: Íñigo Huguet <ihuguet@redhat.com>
Acked-by: Martin Habets <habetsm.xilinx@gmail.com>
Link: https://lore.kernel.org/r/20220712062642.6915-1-ihuguet@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
LRO requires striding RQ and checks that it's enabled at two places:
mlx5e_fix_features and set_feature_lro. This commit keeps only one check
at mlx5e_fix_features and removes the duplicating one in
set_feature_lro.
Signed-off-by: Maxim Mikityanskiy <maximmi@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
LRO is mutually exclusive with XSK. When LRO is enabled, it checks
whether XSK is active. This commit moves this check to a more correct
place at mlx5e_fix_features.
Signed-off-by: Maxim Mikityanskiy <maximmi@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Recent net commit 4d1e07d83ccc ("net/mlx5e: Fix matchall police parameters
validation") removed notexceed action id validation from
mlx5e_police_validate() and left it up to callers. However, since
tc_act_can_offload_police() only exists in net-next its validation is
extended in this dedicated followup patch.
Signed-off-by: Vlad Buslov <vladbu@nvidia.com>
Reviewed-by: Jianbo Liu <jianbol@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
After police action is parsed, set meter data in flow action,
so they can be used when adding FTE.
Signed-off-by: Jianbo Liu <jianbol@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Comparison of eth_ft->ft with NULL is useless, because
get_flow_table() returns either pointer 'eth_ft'
such that eth_ft->ft != NULL, or an erroneous value that is
handled on return, causing mlx5e_ethtool_flow_replace()
to terminate before checking whether eth_ft->ft equals NULL.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Signed-off-by: Rustam Subkhankulov <subkhankulov@ispras.ru>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Implement support for new 802.1ad VLAN protocol type. Create new flow
groups that handle svlan tags. Create FDB flows with svlan tag match when
bridge VLAN is set to QinQ.
Signed-off-by: Vlad Buslov <vladbu@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Current implementation only supports 802.1Q VLAN Ethernet protocol. That
protocol type is assumed by default and
SWITCHDEV_ATTR_ID_BRIDGE_VLAN_PROTOCOL notification is ignored. To prepare
for supporting 802.1ad protocol in following patches implement the
necessary infrastructure to allow the user to dynamically change the VLAN
protocol:
- Handle SWITCHDEV_ATTR_ID_BRIDGE_VLAN_PROTOCOL notification by flushing
FDB and re-creating VLAN modify header actions with new protocol. In this
patch the only allowed dynamic VLAN protocol value is ETH_P_8021Q.
- Save current VLAN protocol in per-bridge instance variable. Use the
dynamic variable instead of hardcoded values in mlx5 bridge code. Create
VLAN flow groups and flows based on current mlx5_esw_bridge->vlan_proto
value instead of assuming 802.1Q ethertype.
- Extract common flow group creation code into dedicated functions in order
to be reused for creating QinQ groups in following patches.
Signed-off-by: Vlad Buslov <vladbu@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Following patches in series need to re-create VLAN actions when user
changes VLAN protocol. Extract the code that creates VLAN push/pop actions
into dedicated function in order to be reused in next patch.
Signed-off-by: Vlad Buslov <vladbu@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Following patches in series introduce new qinq filtering group. To improve
readability rename the existing group in function, variable and definition
names to include "vlan" in order to make it easy to distinguish from
upcoming qinq group.
Signed-off-by: Vlad Buslov <vladbu@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Following patches in the series introduce additional flow groups for QinQ
support. With increased number of groups it becomes cumbersome to calculate
groups sizes as fractions of the table size. Instead, manually define sizes
of specific group types and ensure that totals are still correct by static
assertions. Having specific table size is important for firmware resource
management.
This commit doesn't change functionality.
Signed-off-by: Vlad Buslov <vladbu@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Expose the number of busy / in-use slots in the FW command interface via
a read-only debugfs entry. This improves observability and helps in the
performance bottleneck analysis.
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Expose on vport group managers debug counters for their managed vports.
Counters are exposed through debugfs, the directory will be present only
for functions that are eswitch managers and only counters that are
supported on their specific HW/FW will be exposed.
Example:
$ ls /sys/kernel/debug/mlx5/0000:08:00.0/esw/
pf sf_8 vf_0 vf_1
$ ls -l /sys/kernel/debug/mlx5/0000:08:00.0/esw/vf_0/vnic_diag/
cq_overrun
quota_exceeded_command
total_q_under_processor_handle
invalid_command
send_queue_priority_update_flow
List of all counter added:
total_q_under_processor_handle - number of queues in error state due to an
async error or errored command.
send_queue_priority_update_flow - number of QP/SQ priority/SL update
events.
cq_overrun - number of times CQ entered an error state due to an
overflow.
async_eq_overrun -number of time an EQ mapped to async events was
overrun.
comp_eq_overrun - number of time an EQ mapped to completion events was
overrun.
quota_exceeded_command - number of commands issued and failed due to quota
exceeded.
invalid_command - number of commands issued and failed dues to any reason
other than quota exceeded.
Signed-off-by: Michael Guralnik <michaelgur@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Use software VHCA id when it's supported by the firmware.
A unique id is allocated upon mlx5_mdev_init() and freed upon
mlx5_mdev_uninit(), as such it stays the same during the full life cycle
of the device including upon health recovery if occurred.
The conjunction of sw_vhca_id with sw_owner_id will be a global unique
id per function which uses mlx5_core.
The sw_vhca_id is set upon init_hca command and is used to specify the
VHCA that the NIC vport is affiliated with.
This functionality is needed upon migration of VM which is MPV based.
(i.e. multi port device).
Signed-off-by: Yishai Hadas <yishaih@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Use bitmap_zalloc()/bitmap_free() instead of hand-writing them.
It is less verbose and it improves the semantic.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This driver currently prints the link status using four separate
printk calls, which these days gets presented to the user as four
distinct messages, not exactly ideal:
[ 32.582778] eth0: Link is up using
[ 32.582828] internal
[ 32.582837] transceiver at
[ 32.582888] 100Mb/s, Full Duplex.
Restructure the display_link_mode function to use a single netdev_info
call to present all this information as a single message, which is much
nicer:
[ 33.640143] hme 0000:00:01.1 eth0: Link is up using internal transceiver at 100Mb/s, Full Duplex.
The display_forced_link_mode function has a similar structure, so adjust
it in a similar fashion.
Signed-off-by: Nick Bowler <nbowler@draconx.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
A warning is triggered by commit 66e4c8d95008 ("net: warn if transport
header was not set"). The warning is harmless, because the value from
skb_transport_offset() is only used for skb_is_gso() is true or the
skb->ip_summed is equal to CHECKSUM_PARTIAL.
Fixes: 66e4c8d95008 ("net: warn if transport header was not set")
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix coverity error 'use of uninitialized variable'. err is uninitialized
and is returned which can lead to unintended results. err has been replaced
with -einval.
Coverity issue: 1518921 (uninitialized scalar variable)
Signed-off-by: Sebin Sebastian <mailmesebin00@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The include is in line 14 and 23. Remove the duplicate.
Fix following checkincludes warning:
./drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c: linux/bitfield.h is included more than once.
./drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c: rvu_npc_hash.h is included more than once.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
ath10k
* ethernet frame format support
rtw89
* TDLS support
cfg80211/mac80211
* airtime fairness fixes
* EHT support continued, especially in AP mode
* initial (and still major) rework for multi-link
operation (MLO) from 802.11be/wifi 7
As usual, also many small updates/cleanups/fixes/etc.
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Merge tag 'wireless-next-2022-07-13' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Johannes Berg says:
====================
A fairly large set of updates for next, highlights:
ath10k
* ethernet frame format support
rtw89
* TDLS support
cfg80211/mac80211
* airtime fairness fixes
* EHT support continued, especially in AP mode
* initial (and still major) rework for multi-link
operation (MLO) from 802.11be/wifi 7
As usual, also many small updates/cleanups/fixes/etc.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
* queue selection in mesh/ocb
* queue handling on interface stop
* hwsim virtio device vs. some other virtio changes
* dt-bindings email addresses
* color collision memory allocation
* a const variable in rtw88
* shared SKB transmit in the ethernet format path
* P2P client port authorization
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Merge tag 'wireless-2022-07-13' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless
Johannes Berg says:
====================
A small set of fixes for
* queue selection in mesh/ocb
* queue handling on interface stop
* hwsim virtio device vs. some other virtio changes
* dt-bindings email addresses
* color collision memory allocation
* a const variable in rtw88
* shared SKB transmit in the ethernet format path
* P2P client port authorization
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
These two error paths should clean up before returning.
Fixes: 2bb4b98b60d7 ("net: stmmac: Add Ingenic SoCs MAC support.")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Now having a major and a minor number, also print the firmware in
human readable form "major.minor". Still keep the 4-digit hexadecimal
representation because that form is used in the firmware changelog
documents. Also, drop the "release" string assuming that most common
case, but make it clearer that the user is running a test version.
Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Align the firmware field name with the reference manual where it is
called "major".
Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Cache the firmware version during probe. There is no need to read the
firmware version on every autonegotiation.
Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
The commit 09ce6b20103b ("net: phy: mxl-gpy: add temperature sensor")
will overwrite the return value and the reported version will be wrong.
Fix it.
Fixes: 09ce6b20103b ("net: phy: mxl-gpy: add temperature sensor")
Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
In few error cases MAC(CGX/RPM) block is having 0 lmacs.
AF driver uses MAC block with lmac pair to get firmware
data etc. These commands will fail as there is no LMAC
associated with MAC block.
This patch skips the probe of these MAC blocks such that AF driver
uses correct MAC block and LMAC pair for firmware communication and
define new LMAC_AF_ERROR types for command timeout etc.
This patch also enables channel back pressure for all LMACs.
Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com>
Signed-off-by: Geetha sowjanya <gakula@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In ftgmac100_probe(), we should hold the refernece returned by
of_get_child_by_name() and use it to call of_node_put() for
reference balance.
Fixes: 39bfab8844a0 ("net: ftgmac100: Add support for DT phy-handle property")
Signed-off-by: Liang He <windhl@126.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
While reading sysctl_tcp_ecn, it can be changed concurrently.
Thus, we need to add READ_ONCE() to its readers.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Define bridge MDB entry (software entry):
- entry that get's created upon receiving MDB management events
(create/delete), that inherently defines a software entry,
which can be enabled (offloaded to the HW) or disabled (removed
from HW).
This separation is done to achieve a better highlevel
management of HW resources - software MDB entry could exist,
while it's not necessarily should be configured on the HW.
For example: by default, the Linux behavior would not replicate
multicast traffic to multicast group members if there's no
active multicast router and thus - no actual multicast traffic
can be received/sent. So, until multicast router appears on the
system no HW configuration should be applied, although SW MDB entries
should be tracked.
Another example would be altering state of 'multicast enabled' on
the bridge: MC_DISABLED should invoke disabling / clearing multicast
groups of specified bridge on the HW, yet upon receiving 'multicast
enabled' event, driver should reconfigure any existing software MDB
groups on the HW.
Keeping track of software MDB entries in such way makes it possible
to properly react on such events.
Define bridge MDB port entry (software entry):
- entry that helps keeping track (on software - driver - level) of which
bridge mebemer interface joined any give MDB group;
Co-developed-by: Yevhen Orlov <yevhen.orlov@plvision.eu>
Signed-off-by: Yevhen Orlov <yevhen.orlov@plvision.eu>
Signed-off-by: Oleksandr Mazur <oleksandr.mazur@plvision.eu>
Signed-off-by: David S. Miller <davem@davemloft.net>
Define MDB entry that can be offloaded:
- FDB entry, that defines an multicast group to which traffic can be
replicated to;
Define flood domain:
- Arrangement of ports (list), that have joined multicast group, which
would receive and replicate to multicast traffic of specified group;
Define flood domain port:
- single flood domain list entry, that is associated with any given
bridge port interface (could be LAG interface or physical port-member).
Applicable to both Q and D bridges;
Co-developed-by: Yevhen Orlov <yevhen.orlov@plvision.eu>
Signed-off-by: Yevhen Orlov <yevhen.orlov@plvision.eu>
Signed-off-by: Oleksandr Mazur <oleksandr.mazur@plvision.eu>
Signed-off-by: David S. Miller <davem@davemloft.net>
Separate flags to make it possible to alter them separately;
Move bridge flags setting logic from HW API level to prestera_main
where it belongs;
Move bridge flags parsing (and setting using prestera API) to
prestera_switchdev.c - module responsible for bridge operations
handling;
Signed-off-by: Oleksandr Mazur <oleksandr.mazur@plvision.eu>
Signed-off-by: David S. Miller <davem@davemloft.net>
When building with Clang we encounter these warnings:
| drivers/net/ethernet/qlogic/qed/qed_dev.c:416:30: error: format
| specifies type 'char' but the argument has type 'u32' (aka 'unsigned
| int') [-Werror,-Wformat] i);
-
| drivers/net/ethernet/qlogic/qed/qed_dev.c:630:13: error: format
| specifies type 'char' but the argument has type 'int' [-Werror,-Wformat]
| p_llh_info->num_ppfid - 1);
For the first warning, `i` is a u32 which is much wider than the format
specifier `%hhd` describes. This results in a loss of bits after 2^7.
The second warning involves implicit integer promotion as the resulting
type of addition cannot be smaller than an int.
example:
``
uint8_t a = 4, b = 7;
int size = sizeof(a + b - 1);
printf("%d\n", size);
// output: 4
```
See more:
(https://wiki.sei.cmu.edu/confluence/display/c/INT02-C.+Understand+integer+conversion+rules)
"Integer types smaller than int are promoted when an operation is
performed on them. If all values of the original type can be represented
as an int, the value of the smaller type is converted to an int;
otherwise, it is converted to an unsigned int."
Link: https://github.com/ClangBuiltLinux/linux/issues/378
Signed-off-by: Justin Stitt <justinstitt@google.com>
Link: https://lore.kernel.org/r/20220711232404.2189257-1-justinstitt@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
