| Commit message (Collapse) | Author | Age | Files | Lines |
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Use devm_platform_ioremap_resource() to simplify the code a bit.
This is detected by coccinelle.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use devm_platform_ioremap_resource() to simplify the code a bit.
This is detected by coccinelle.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use devm_platform_ioremap_resource() to simplify the code a bit.
This is detected by coccinelle.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use devm_platform_ioremap_resource() to simplify the code a bit.
This is detected by coccinelle.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use devm_platform_ioremap_resource() to simplify the code a bit.
This is detected by coccinelle.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use devm_platform_ioremap_resource() to simplify the code a bit.
This is detected by coccinelle.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use devm_platform_ioremap_resource() to simplify the code a bit.
This is detected by coccinelle.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Johannes Berg:
====================
Here are a few groups of changes:
* EDMG channel support (60 GHz, just a single patch)
* initial 6/7 GHz band support (Arend)
* association timestamp recording (Ben)
* rate control improvements for better performance with
the mt76 driver (Felix)
* various fixes for previous HE support changes (John)
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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802.11ay specification defines Enhanced Directional Multi-Gigabit
(EDMG) STA and AP which allow channel bonding of 2 channels and more.
Introduce new NL attributes that are needed for enabling and
configuring EDMG support.
Two new attributes are used by kernel to publish driver's EDMG
capabilities to the userspace:
NL80211_BAND_ATTR_EDMG_CHANNELS - bitmap field that indicates the 2.16
GHz channel(s) that are supported by the driver.
When this attribute is not set it means driver does not support EDMG.
NL80211_BAND_ATTR_EDMG_BW_CONFIG - represent the channel bandwidth
configurations supported by the driver.
Additional two new attributes are used by the userspace for connect
command and for AP configuration:
NL80211_ATTR_WIPHY_EDMG_CHANNELS
NL80211_ATTR_WIPHY_EDMG_BW_CONFIG
New rate info flag - RATE_INFO_FLAGS_EDMG, can be reported from driver
and used for bitrate calculation that will take into account EDMG
according to the 802.11ay specification.
Signed-off-by: Alexei Avshalom Lazar <ailizaro@codeaurora.org>
Link: https://lore.kernel.org/r/1566138918-3823-2-git-send-email-ailizaro@codeaurora.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Register supported packet traps (layer 2 drops only, currently) and
associated trap group with devlink during driver initialization.
The amount of traffic generated by these packet drop traps is capped at
10Kpps to ensure the CPU is not overwhelmed by incoming packets.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Discard trap groups are defined in a different enum so that they could
all share the same policer ID: MLXSW_REG_HTGT_TRAP_GROUP_MAX + 1.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add the trap IDs used to report layer 2 drops.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Subsequent patches will add discard traps support in mlxsw. The driver
cannot configure such traps with a normal trap action, but needs to use
exception trap action, which also increments an error counter.
On the other hand, when these traps are initialized or set to drop
action, they should use the default drop action set by the firmware.
This guarantees that when the feature is disabled we get the exact same
behavior as before the feature was introduced.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Up until now the action of a trap was never changed during its lifetime.
This is going to change by subsequent patches that will allow devlink to
control the action of certain traps.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5-updates-2019-08-15
This patchset introduces changes in mlx5 devlink health reporters.
The highlight of these changes is adding a new reporter: RX reporter
mlx5 RX reporter: reports and recovers from timeouts and RX completion
error.
1) Perform TX reporter cleanup. In order to maintain the
code flow as similar as possible between RX and TX reporters, start the
set with cleanup.
2) Prepare for code sharing, generalize and move shared
functionality.
3) Refactor and extend TX reporter diagnostics information
to align the TX reporter diagnostics output with the RX reporter's
diagnostics output.
4) Add helper functions Patch 11: Add RX reporter, initially
supports only the diagnostics call back.
5) Change ICOSQ (Internal Operations Send Queue) open/close flow to
avoid race between interface down and completion error recovery.
6) Introduce recovery flows for RX ring population timeout on ICOSQ,
and for completion errors on ICOSQ and on RQ (Regular receive queues).
7) Include RX reporters in mlx5 documentation.
8) Last two patches of this series, are trivial fixes for previously
submitted patches on this release cycle.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Previously, mlx5_cleanup_fc_stats() would cleanup the flow counter
pool beofre releasing all the counters to it, which would result in
flow counter bulks not getting freed. Resolve this by changing the
order in which elements of fc_stats are cleaned up, so that the flow
counter pool is cleaned up after all the counters are released.
Also move cleanup actions for freeing the bulk query memory and
destroying the idr to the end of mlx5_cleanup_fc_stats().
Signed-off-by: Gavi Teitz <gavi@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Reviewed-by: Vlad Buslov <vladbu@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Recent rtnl lock dependency refactoring changed encap entry attach code to
insert encap entry to hash table before it was fully initialized in order
to allow concurrent tc users to wait on completion for encap entry to
finish initialization. That change required all the users of encap entry to
obtain reference to it first and for caller that creates encap to put
reference to it on error, instead of freeing the entry memory directly.
However, releasing reference to such encap entry that wasn't fully
initialized causes NULL pointer dereference in
mlx5e_rep_encap_entry_detach() which expects e->out_dev to be set and encap
to be attached to nhe:
[ 1092.454517] BUG: unable to handle page fault for address: 00000000000420e8
[ 1092.454571] #PF: supervisor read access in kernel mode
[ 1092.454602] #PF: error_code(0x0000) - not-present page
[ 1092.454632] PGD 800000083032c067 P4D 800000083032c067 PUD 84107d067 PMD 0
[ 1092.454673] Oops: 0000 [#1] SMP PTI
[ 1092.454697] CPU: 20 PID: 22393 Comm: tc Not tainted 5.3.0-rc3+ #589
[ 1092.454733] Hardware name: Supermicro SYS-2028TP-DECR/X10DRT-P, BIOS 2.0b 03/30/2017
[ 1092.454806] RIP: 0010:mlx5e_rep_encap_entry_detach+0x1c/0x630 [mlx5_core]
[ 1092.454845] Code: be f4 ff ff ff e9 11 ff ff ff 0f 1f 40 00 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 49 89 fc 53 48 89 f3 48 83 ec 30 <48> 8b 87 28 16 04 00 48 89 f7 48 05 d0 03 00 00 48 89
45 c8 e8 cb
[ 1092.454942] RSP: 0018:ffffb6f08421f5a0 EFLAGS: 00010286
[ 1092.454974] RAX: 0000000000000000 RBX: ffff8ab668644e00 RCX: ffffb6f08421f56c
[ 1092.455013] RDX: ffff8ab668644e40 RSI: ffff8ab668644e00 RDI: 0000000000000ac0
[ 1092.455053] RBP: ffffb6f08421f5f8 R08: 0000000000000001 R09: 0000000000000000
[ 1092.455092] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000ac0
[ 1092.455131] R13: 00000000ffffff9b R14: ffff8ab63f200ac0 R15: ffff8ab668644e40
[ 1092.455171] FS: 00007fa195bdc480(0000) GS:ffff8ab66fa00000(0000) knlGS:0000000000000000
[ 1092.455216] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1092.455249] CR2: 00000000000420e8 CR3: 0000000867522001 CR4: 00000000001606e0
[ 1092.455288] Call Trace:
[ 1092.455315] ? __mutex_unlock_slowpath+0x4d/0x2a0
[ 1092.455365] mlx5e_encap_dealloc.isra.0+0x31/0x60 [mlx5_core]
[ 1092.455424] mlx5e_tc_add_fdb_flow+0x596/0x750 [mlx5_core]
[ 1092.455484] __mlx5e_add_fdb_flow+0x152/0x210 [mlx5_core]
[ 1092.455534] mlx5e_configure_flower+0x4d5/0xe30 [mlx5_core]
[ 1092.455574] tc_setup_cb_call+0x67/0xb0
[ 1092.455601] fl_hw_replace_filter+0x142/0x300 [cls_flower]
[ 1092.455639] fl_change+0xd24/0x1bdb [cls_flower]
[ 1092.455675] tc_new_tfilter+0x3e0/0x970
[ 1092.455709] ? tc_del_tfilter+0x720/0x720
[ 1092.455735] rtnetlink_rcv_msg+0x389/0x4b0
[ 1092.455763] ? netlink_deliver_tap+0x95/0x400
[ 1092.455791] ? rtnl_dellink+0x2d0/0x2d0
[ 1092.455817] netlink_rcv_skb+0x49/0x110
[ 1092.455844] netlink_unicast+0x171/0x200
[ 1092.455872] netlink_sendmsg+0x224/0x3f0
[ 1092.455901] sock_sendmsg+0x5e/0x60
[ 1092.455924] ___sys_sendmsg+0x2ae/0x330
[ 1092.455950] ? task_work_add+0x43/0x50
[ 1092.455976] ? fput_many+0x45/0x80
[ 1092.456004] ? __lock_acquire+0x248/0x18e0
[ 1092.456033] ? find_held_lock+0x2b/0x80
[ 1092.456058] ? task_work_run+0x7b/0xd0
[ 1092.456085] __sys_sendmsg+0x59/0xa0
[ 1092.457013] do_syscall_64+0x5c/0xb0
[ 1092.457924] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 1092.458842] RIP: 0033:0x7fa195da27b8
[ 1092.459918] Code: 89 02 48 c7 c0 ff ff ff ff eb bb 0f 1f 80 00 00 00 00 f3 0f 1e fa 48 8d 05 65 8f 0c 00 8b 00 85 c0 75 17 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83
ec 28 89 54
[ 1092.462634] RSP: 002b:00007fff94409298 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1092.464011] RAX: ffffffffffffffda RBX: 000000005d515b0e RCX: 00007fa195da27b8
[ 1092.465391] RDX: 0000000000000000 RSI: 00007fff94409300 RDI: 0000000000000003
[ 1092.466761] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000006
[ 1092.468121] R10: 0000000000404ec2 R11: 0000000000000246 R12: 0000000000000001
[ 1092.469456] R13: 0000000000480640 R14: 0000000000000016 R15: 0000000000000001
[ 1092.470766] Modules linked in: act_mirred act_tunnel_key cls_flower dummy vxlan ip6_udp_tunnel udp_tunnel sch_ingress nfsv3 nfs_acl nfs lockd grace fscache tun bridge stp llc sunrpc rdma_ucm rdma_cm
iw_cm ib_cm mlx5_ib ib_uverbs ib_core intel_rapl_msr intel_rapl_common sb_edac x86_pkg_temp_thermal intel_powerclamp coretemp mlx5_core kvm_intel kvm irqbypass crct10dif_pclmul mei_me crc32_pclmul crc32
c_intel igb iTCO_wdt ghash_clmulni_intel ses mlxfw intel_cstate iTCO_vendor_support ptp intel_uncore lpc_ich pps_core mei i2c_i801 joydev intel_rapl_perf ioatdma enclosure ipmi_ssif pcspkr dca wmi ipmi_
si ipmi_devintf ipmi_msghandler acpi_pad acpi_power_meter ast i2c_algo_bit drm_vram_helper ttm drm_kms_helper drm mpt3sas raid_class scsi_transport_sas
[ 1092.479618] CR2: 00000000000420e8
[ 1092.481214] ---[ end trace ce2e0f4d9a67f604 ]---
To fix the issue, set e->compl_result to positive value after encap was
initialized successfully. Check e->compl_result value in
mlx5e_encap_dealloc() and only detach and dealloc encap if the value is
positive.
Fixes: d589e785baf5 ("net/mlx5e: Allow concurrent creation of encap entries")
Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Add support for report and recovery from error on completion on RQ by
setting the queue back to ready state. Handle only errors with a
syndrome indicating the RQ might enter error state and could be
recovered.
Signed-off-by: Aya Levin <ayal@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Just to be aligned with the MPWQE handlers, handle RX WQE with error
for legacy RQs in the top RX handlers, just before calling skb_from_cqe().
CQE error handling will now be called at the same stage regardless of
the RQ type or netdev mode NIC, Representor, IPoIB, etc ..
This will be useful for down stream patch to improve error CQE
handling.
Signed-off-by: Aya Levin <ayal@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Add support for report and recovery from rx timeout. On driver open we
post NOP work request on the rx channels to trigger napi in order to
fillup the rx rings. In case napi wasn't scheduled due to a lost
interrupt, perform EQ recovery.
Signed-off-by: Aya Levin <ayal@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Add support for report and recovery from error on completion on ICOSQ.
Deactivate RQ and flush, then deactivate ICOSQ. Set the queue back to
ready state (firmware) and reset the ICOSQ and the RQ (software
resources). Finally, activate the ICOSQ and the RQ.
Signed-off-by: Aya Levin <ayal@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Align ICOSQ open/close behaviour with RQ and SQ. Split open flow into
open and activate where open handles creation and activate enables the
queue. Do a symmetric thing in close flow: split into close and
deactivate.
Signed-off-by: Aya Levin <ayal@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Add rx reporter, which supports diagnose call-back. Diagnostics output
include: information common to all RQs: RQ type, RQ size, RQ stride
size, CQ size and CQ stride size. In addition advertise information per
RQ and its related icosq and attached CQ.
$ devlink health diagnose pci/0000:00:0b.0 reporter rx
Common config:
RQ:
type: 2 stride size: 2048 size: 8
CQ:
stride size: 64 size: 1024
RQs:
channel ix: 0 rqn: 4308 HW state: 1 SW state: 3 posted WQEs: 7 cc: 7 ICOSQ HW state: 1
CQ:
cqn: 1032 HW status: 0
channel ix: 1 rqn: 4313 HW state: 1 SW state: 3 posted WQEs: 7 cc: 7 ICOSQ HW state: 1
CQ:
cqn: 1036 HW status: 0
channel ix: 2 rqn: 4318 HW state: 1 SW state: 3 posted WQEs: 7 cc: 7 ICOSQ HW state: 1
CQ:
cqn: 1040 HW status: 0
channel ix: 3 rqn: 4323 HW state: 1 SW state: 3 posted WQEs: 7 cc: 7 ICOSQ HW state: 1
CQ:
cqn: 1044 HW status: 0
$ devlink health diagnose pci/0000:00:0b.0 reporter rx -jp
{
"Common config": {
"RQ": {
"type": 2,
"stride size": 2048,
"size": 8
},
"CQ": {
"stride size": 64,
"size": 1024
}
},
"RQs": [ {
"channel ix": 0,
"rqn": 4308,
"HW state": 1,
"SW state": 3,
"posted WQEs": 7,
"cc": 7,
"ICOSQ HW state": 1,
"CQ": {
"cqn": 1032,
"HW status": 0
}
},{
"channel ix": 1,
"rqn": 4313,
"HW state": 1,
"SW state": 3,
"posted WQEs": 7,
"cc": 7,
"ICOSQ HW state": 1,
"CQ": {
"cqn": 1036,
"HW status": 0
}
},{
"channel ix": 2,
"rqn": 4318,
"HW state": 1,
"SW state": 3,
"posted WQEs": 7,
"cc": 7,
"ICOSQ HW state": 1,
"CQ": {
"cqn": 1040,
"HW status": 0
}
},{
"channel ix": 3,
"rqn": 4323,
"HW state": 1,
"SW state": 3,
"posted WQEs": 7,
"cc": 7,
"ICOSQ HW state": 1,
"CQ": {
"cqn": 1044,
"HW status": 0
}
} ]
}
Signed-off-by: Aya Levin <ayal@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Introduce helper functions for create and destroy reporters and update
channels. In the following patch, rx reporter is added and it will use
these helpers too.
Signed-off-by: Aya Levin <ayal@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Add cq information to general diagnose output: CQ size and stride size.
Per SQ add information about the related CQ: cqn and CQ's HW status.
$ devlink health diagnose pci/0000:00:0b.0 reporter tx
Common Config:
SQ:
stride size: 64 size: 1024
CQ:
stride size: 64 size: 1024
SQs:
channel ix: 0 tc: 0 txq ix: 0 sqn: 4307 HW state: 1 stopped: false cc: 0 pc: 0
CQ:
cqn: 1030 HW status: 0
channel ix: 1 tc: 0 txq ix: 1 sqn: 4312 HW state: 1 stopped: false cc: 0 pc: 0
CQ:
cqn: 1034 HW status: 0
channel ix: 2 tc: 0 txq ix: 2 sqn: 4317 HW state: 1 stopped: false cc: 0 pc: 0
CQ:
cqn: 1038 HW status: 0
channel ix: 3 tc: 0 txq ix: 3 sqn: 4322 HW state: 1 stopped: false cc: 0 pc: 0
CQ:
cqn: 1042 HW status: 0
$ devlink health diagnose pci/0000:00:0b.0 reporter tx -jp
{
"Common Config": {
"SQ": {
"stride size": 64,
"size": 1024
},
"CQ": {
"stride size": 64,
"size": 1024
}
},
"SQs": [ {
"channel ix": 0,
"tc": 0,
"txq ix": 0,
"sqn": 4307,
"HW state": 1,
"stopped": false,
"cc": 0,
"pc": 0,
"CQ": {
"cqn": 1030,
"HW status": 0
}
},{
"channel ix": 1,
"tc": 0,
"txq ix": 1,
"sqn": 4312,
"HW state": 1,
"stopped": false,
"cc": 0,
"pc": 0,
"CQ": {
"cqn": 1034,
"HW status": 0
}
},{
"channel ix": 2,
"tc": 0,
"txq ix": 2,
"sqn": 4317,
"HW state": 1,
"stopped": false,
"cc": 0,
"pc": 0,
"CQ": {
"cqn": 1038,
"HW status": 0
}
},{
"channel ix": 3,
"tc": 0,
"txq ix": 3,
"sqn": 4322,
"HW state": 1,
"stopped": false,
"cc": 0,
"pc": 0,
"CQ": {
"cqn": 1042,
"HW status": 0
} ]
}
Signed-off-by: Aya Levin <ayal@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Enhance tx reporter's diagnostics output to include: information common
to all SQs: SQ size, SQ stride size.
In addition add channel ix, tc, txq ix, cc and pc.
$ devlink health diagnose pci/0000:00:0b.0 reporter tx
Common config:
SQ:
stride size: 64 size: 1024
SQs:
channel ix: 0 tc: 0 txq ix: 0 sqn: 4307 HW state: 1 stopped: false cc: 0 pc: 0
channel ix: 1 tc: 0 txq ix: 1 sqn: 4312 HW state: 1 stopped: false cc: 0 pc: 0
channel ix: 2 tc: 0 txq ix: 2 sqn: 4317 HW state: 1 stopped: false cc: 0 pc: 0
channel ix: 3 tc: 0 txq ix: 3 sqn: 4322 HW state: 1 stopped: false cc: 0 pc: 0
$ devlink health diagnose pci/0000:00:0b.0 reporter tx -jp
{
"Common config": {
"SQ": {
"stride size": 64,
"size": 1024
}
},
"SQs": [ {
"channel ix": 0,
"tc": 0,
"txq ix": 0,
"sqn": 4307,
"HW state": 1,
"stopped": false,
"cc": 0,
"pc": 0
},{
"channel ix": 1,
"tc": 0,
"txq ix": 1,
"sqn": 4312,
"HW state": 1,
"stopped": false,
"cc": 0,
"pc": 0
},{
"channel ix": 2,
"tc": 0,
"txq ix": 2,
"sqn": 4317,
"HW state": 1,
"stopped": false,
"cc": 0,
"pc": 0
},{
"channel ix": 3,
"tc": 0,
"txq ix": 3,
"sqn": 4322,
"HW state": 1,
"stopped": false,
"cc": 0,
"pc": 0
} ]
}
Signed-off-by: Aya Levin <ayal@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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The following patches in the set enhance the diagnostics info of tx
reporter. Therefore, it is better to pass a pointer to the SQ for
further data extraction.
Signed-off-by: Aya Levin <ayal@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Prepare for code sharing with rx reporter, which is added in the
following patches in the set. Introduce a generic error_ctx for
agnostic recovery despatch.
Signed-off-by: Aya Levin <ayal@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Change from mlx5e_tx_reporter_* to mlx5e_reporter_tx_*. In the following
patches in the set rx reporter is added, the new naming convention is
more uniformed.
Signed-off-by: Aya Levin <ayal@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Rename reporter.h -> health.h so patches in the set can use it for
health related functionality.
Signed-off-by: Aya Levin <ayal@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue
Jeff Kirsher says:
====================
100GbE Intel Wired LAN Driver Updates 2019-08-20
This series contains updates to ice driver only.
Brett fixes the detection of a hung transmit ring by checking the
software based tail (next_to_use) to determine if there is pending work.
Updates the driver to assume that using more than one receive queue per
receive ring container is a rare case, so use unlikely() in the case
were we actually need to divide our budget for multiple queues. Fixed
an issue where the write back on ITR bit was not being set when
interrupts are disabled, which was causing only write backs when polling
only when a cache line is filled. Cleans up unnecessary wait times
during VF bring up and reset paths. Increased the mailbox size for
receive queues that are used to communicate with VFs to accommodate the
large number of VFs that the driver can support.
Akeem restructures the initialization flows for VFs, including how VFs
are configured and resources allocated to improve flows so that when we
clean up resources, we do not try to free resources that were never
allocated. Organizes code to ensure that VF specific code is located in
the SR-IOV specific file.
Paul fixes an issue when setting the pause parameter which was
incorrectly blocking users from changing receive or transmit pause
settings. Ensure register access for MSIX vector index is only done in
the PF space and not absolute device space.
Usha fixes a potential kernel hang in the DCB rebuild path when in CEE
mode, where the ETS recommended DCB configuration is not being set or
set correctly.
Mitch updates the driver to process all receive descriptors, regardless
of the size of the associated data.
Tony fixes and issue during the reset/rebuild path of a PF VSI where we
were assuming that the PF VSI was always to be enabled, which can
attempt to bring up a PF VSI on a downed interface which can lead to
various crashes.
Pawel fixes up variable definitions to match the type of data being
stored.
v2: Dropped patch 1 of the series to add ethtool support to query/add
channels on a VSI, while we re-qork the functionality to match the
ethtool expected behavior to report combined (Tx and Rx) numbers.
v3: Updated patch 4 to use kzalloc() and kfree() instead devm_kzalloc()
and devm_kfree().
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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When we fail to add/delete MAC filters in the VF, the print doesn't
distinguish between the two. Fix that by printing whether or not we
failed to add/delete the MAC filter respectively.
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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These queue variables are being assigned values that are type u16.
Change the local variables to match these types. Since these
represent queue counts, they should never be negative.
Signed-off-by: Pawel Kaminski <pawel.kaminski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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In order to use some of the VF resources definition in the SR-IOV specific
virtchnl header file, this patch moves applicable code to
ice_virtchnl_pf.h file accordingly... and they should have been defined in
the destination file originally.
Signed-off-by: Akeem G Abodunrin <akeem.g.abodunrin@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Currently we use the ICE_MBXQ_LEN for both the Mailbox send and receive
queues that are used to communicate with VFs. This is fine for the send
queue because the PF driver will lock the queue for every single send,
but for the Mailbox receive queue every VF is posting to its Mailbox
send queue and the hardware is then handing the message to the PF on its
Mailbox receive queue. This becomes a problem with many VFs because it
seems to overburden the Mailbox receive queue on the PF. Fix this by
increasing the Mailbox receive queue for the PF to 512 entries.
The number 512 was determined based on the number of VFs supported by
the device. We can have a total of 256 VFs so in the worst case this
allows the VFs to put 2 messages in the PFs Mailbox receive queue at the
same time.
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Currently there are a couple places where the VF is waiting too long when
checking the status of registers. This is causing the AVF driver to
spin for longer than necessary in the __IAVF_STARTUP state. Sometimes
it causes the AVF to go into the __IAVF_COMM_FAILED, which may retrigger
the __IAVF_STARTUP state. Try to reduce the chance of this happening by
removing unnecessary wait times in VF bringup/resets.
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Register access for GLINT_DYN_CTL and GLINT_VECT2FUNC should be within
the PF space and not the absolute device space.
Signed-off-by: Paul Greenwalt <paul.greenwalt@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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During rebuild ice_ena_vsi() is called to recover the VSI state.
This function assumes the PF VSI is always to be enabled, however,
it's possible that during reset/rebuild the interface can be
brought down. If this occurs, we can attempt to bring up the PF
VSI on a downed interface which can lead to various crashes. If
the interface is not running, do not bring up the associated VSI.
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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In some circumstances, the hardware will hand us a receive descriptor
which has no data attached, but is otherwise valid. The receive code was
improperly ignoring these descriptors, which result in an infinite loop.
To fix this, change the receive code to process all descriptors,
regardless of the size of the associated data. Add checks to the
memory-handling functions to allow for zero size.
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch fixes the set local MIB AQ call failures in the DCB rebuild path
by setting the defaults for the ETS recommended DCB configuration. Also,
willing bits for the DCB configuration needs to be set correctly. Resets
works fine in IEEE mode as the ETS recommended DCB configuration is
populated but not in CEE mode.
Without this patch, PFR causes the kernel hang in CEE mode.
Signed-off-by: Usha Ketineni <usha.k.ketineni@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Currently when busy polling is enabled we aren't setting/enabling
WB_ON_ITR in the driver. This doesn't break the driver, but it does
cause issues. If we don't enable WB_ON_ITR mode we will still get
write-backs from hardware during polling when a cache line has been
filled, but if a cache line is not filled we will not get the
write-back because WB_ON_ITR is not set. Fix this by enabling
WB_ON_ITR in the driver when interrupts are disabled.
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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When ETHTOOL_GLINKSETTINGS is defined get pause param pause->autoneg
reports SW configured setting, however when not defined get pause param
pause->autoneg reports the link status. Set pause param needs to compare
pause->autoneg with the same source as get pause param to block the user
from changing autoneg with the set pause param option, or the user
may be incorrectly blocked from changing Rx|Tx pause settings.
Signed-off-by: Paul Greenwalt <paul.greenwalt@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch restructures how VFs are configured, and resources allocated.
Instead of freeing resources that were never allocated, and resetting
empty VFs that have never been created - the new flow will just allocate
resources for number of requested VFs based on the availability.
During VFs initialization process, global interrupt is disabled, and
rearmed after getting MSIX vectors for VFs. This allows immediate mailbox
communications, instead of delaying it till later and VFs.
PF communications resulted to using polling instead of actual interrupt.
The issue manifested when creating higher number of VFs (128 VFs) per PF.
Signed-off-by: Akeem G Abodunrin <akeem.g.abodunrin@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Currently we divide budget by the number of Rx queues per Rx ring
container in ice_napi_poll even if there is only 1. This is an
unnecessary divide for the normal case of 1 Rx ring per Rx ring
container. Fix this by using an unlikely() call in the case where we
actually need to divide.
Also, we will always set budget_per_ring even if there are no Rx rings
in the Rx ring container so we don't need to initialize it to 0.
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Currently in ice_get_tx_pending we try to read a Tx ring's tail. This is
then compared with the software based head (next_to_clean) to determine
if we have pending work. This will never work because reading of the Tx
ring's tail is no longer supported. Fix this by using the software based
tail (next_to_use) to determine if there is pending work.
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next
Marc Kleine-Budde says:
====================
pull-request: can-next 2019-08-20
this is a pull request for net-next/master consisting of 18 patches.
The first patch is by Geert Uytterhoeven, it removes the unused platform
data support from the rcar_can driver.
A patch by Nishka Dasgupta marks the structure peak_pciec_i2c_bit_ops in
the peak_pci driver as constant.
A patch by me removes the custom DMA support from the hi311x driver.
The next 4 patches target the tcan4x5x driver and are also by me, they
first clean up the driver a bit, and then add missing error handling and
fix a bug in the length calculation in the regmap callbacks.
The next 2 patches are by me for the m_can_platform driver, they also
remove unneeded casts and add missing error handling.
The remaining 9 patches all target the mcp251x driver. The first 5 are
clean up patches by me, the next relaxes the timing in the
mcp251x_hw_reset() function. Alexander Shiyan's patch improves the name
which is used while registering the interrupt handler. Phil Elwell's
patch improves the mcp251x_open() function to use the DT-supplied
interrupt flags instead of hard coding them. The final patch is again by
me, it removes the custom DMA support from the hi311x driver.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is no need to duplicate what SPI core already does, i.e. mapping buffers
for DMA capable transfers. This patch removes all related pices of code.
Tested-by: Sean Nyekjaer <sean@geanix.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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The MCP2515 datasheet clearly describes a level-triggered interrupt pin.
Therefore the receiving interrupt controller must also be configured for
level-triggered operation otherwise there is a danger of a missed
interrupt condition blocking all subsequent interrupts. The ONESHOT
flag ensures that the interrupt is masked until the threaded interrupt
handler exits.
Rather than change the flags globally (they must have worked for at
least one user), keep the old behavior for for non DT devices. DT based
devices specify the flags in their corresonding DT node.
See: https://github.com/raspberrypi/linux/issues/2175
https://github.com/raspberrypi/linux/issues/2263
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
Tested-by: Sean Nyekjaer <sean@geanix.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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Passing driver name as name during request_threaded_irq() results in all
CAN IRQs have same name. This does not help much to easily identify which
IRQ belongs to which CAN instance. Therefore pass dev_name() during
request_threaded_irq() so that better identifiable name is listed for
CAN devices in cat /proc/interrupts output.
Output of cat /proc/interrupts
Before this patch:
253: 2 gpio-mxc 13 Edge mcp251x
259: 2 gpio-mxc 19 Edge mcp251x
After this patch:
253: 2 gpio-mxc 13 Edge spi1.1
259: 2 gpio-mxc 19 Edge spi1.2
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Tested-by: Sean Nyekjaer <sean@geanix.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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Some boards take longer than 5ms to power up after a reset, so allow
some retries attempts before giving up.
Fixes: ff06d611a31c ("can: mcp251x: Improve mcp251x_hw_reset()")
Cc: linux-stable <stable@vger.kernel.org>
Tested-by: Sean Nyekjaer <sean@geanix.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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