wireless-drivers and netfilter trees. Nothing scary, Intel WiFi-related
fixes seemed most notable to the users.
Current release - regressions:
- dsa: microchip: ksz8795: fix KSZ8794 port map again to program
the CPU port correctly
Current release - new code bugs:
- iwlwifi: pcie: reschedule in long-running memory reads
Previous releases - regressions:
- iwlwifi: dbg: don't try to overwrite read-only FW data
- iwlwifi: provide gso_type to GSO packets
- octeontx2: make sure the buffer is 128 byte aligned
- tcp: make TCP_USER_TIMEOUT accurate for zero window probes
- xfrm: fix wraparound in xfrm_policy_addr_delta()
- xfrm: fix oops in xfrm_replay_advance_bmp due to a race between CPUs
in presence of packet reorder
- tcp: fix TLP timer not set when CA_STATE changes from DISORDER
to OPEN
- wext: fix NULL-ptr-dereference with cfg80211's lack of commit()
Previous releases - always broken:
- igc: fix link speed advertising
- stmmac: configure EHL PSE0 GbE and PSE1 GbE to 32 bits DMA addressing
- team: protect features update by RCU to avoid deadlock
- xfrm: fix disable_xfrm sysctl when used on xfrm interfaces themselves
- fec: fix temporary RMII clock reset on link up
- can: dev: prevent potential information leak in can_fill_info()
Misc:
- mrp: fix bad packing of MRP test packet structures
- uapi: fix big endian definition of ipv6_rpl_sr_hdr
- add David Ahern to IPv4/IPv6 maintainers
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.11-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Networking fixes including fixes from can, xfrm, wireless,
wireless-drivers and netfilter trees. Nothing scary, Intel
WiFi-related fixes seemed most notable to the users.
Current release - regressions:
- dsa: microchip: ksz8795: fix KSZ8794 port map again to program the
CPU port correctly
Current release - new code bugs:
- iwlwifi: pcie: reschedule in long-running memory reads
Previous releases - regressions:
- iwlwifi: dbg: don't try to overwrite read-only FW data
- iwlwifi: provide gso_type to GSO packets
- octeontx2: make sure the buffer is 128 byte aligned
- tcp: make TCP_USER_TIMEOUT accurate for zero window probes
- xfrm: fix wraparound in xfrm_policy_addr_delta()
- xfrm: fix oops in xfrm_replay_advance_bmp due to a race between
CPUs in presence of packet reorder
- tcp: fix TLP timer not set when CA_STATE changes from DISORDER to
OPEN
- wext: fix NULL-ptr-dereference with cfg80211's lack of commit()
Previous releases - always broken:
- igc: fix link speed advertising
- stmmac: configure EHL PSE0 GbE and PSE1 GbE to 32 bits DMA
addressing
- team: protect features update by RCU to avoid deadlock
- xfrm: fix disable_xfrm sysctl when used on xfrm interfaces
themselves
- fec: fix temporary RMII clock reset on link up
- can: dev: prevent potential information leak in can_fill_info()
Misc:
- mrp: fix bad packing of MRP test packet structures
- uapi: fix big endian definition of ipv6_rpl_sr_hdr
- add David Ahern to IPv4/IPv6 maintainers"
* tag 'net-5.11-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (86 commits)
rxrpc: Fix memory leak in rxrpc_lookup_local
mlxsw: spectrum_span: Do not overwrite policer configuration
selftests: forwarding: Specify interface when invoking mausezahn
stmmac: intel: Configure EHL PSE0 GbE and PSE1 GbE to 32 bits DMA addressing
net: usb: cdc_ether: added support for Thales Cinterion PLSx3 modem family.
ibmvnic: Ensure that CRQ entry read are correctly ordered
MAINTAINERS: add missing header for bonding
net: decnet: fix netdev refcount leaking on error path
net: switchdev: don't set port_obj_info->handled true when -EOPNOTSUPP
can: dev: prevent potential information leak in can_fill_info()
net: fec: Fix temporary RMII clock reset on link up
net: lapb: Add locking to the lapb module
team: protect features update by RCU to avoid deadlock
MAINTAINERS: add David Ahern to IPv4/IPv6 maintainers
net/mlx5: CT: Fix incorrect removal of tuple_nat_node from nat rhashtable
net/mlx5e: Revert parameters on errors when changing MTU and LRO state without reset
net/mlx5e: Revert parameters on errors when changing trust state without reset
net/mlx5e: Correctly handle changing the number of queues when the interface is down
net/mlx5e: Fix CT rule + encap slow path offload and deletion
net/mlx5e: Disable hw-tc-offload when MLX5_CLS_ACT config is disabled
...
The purpose of the delayed work in the SPAN module is to potentially
update the destination port and various encapsulation parameters of SPAN
agents that point to a VLAN device or a GRE tap. The destination port
can change following the insertion of a new route, for example.
SPAN agents that point to a physical port or the CPU port are static and
never change throughout the lifetime of the SPAN agent. Therefore, skip
over them in the delayed work.
This fixes an issue where the delayed work overwrites the policer
that was set on a SPAN agent pointing to the CPU. Modifying the delayed
work to inherit the original policer configuration is error-prone, as
the same will be needed for any new parameter.
Fixes: 4039504e6a ("mlxsw: spectrum_span: Allow setting policer on a SPAN agent")
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
If a non nat tuple entry is inserted just to the regular tuples
rhashtable (ct_tuples_ht) and not to natted tuples rhashtable
(ct_nat_tuples_ht). Commit bc562be967 ("net/mlx5e: CT: Save ct entries
tuples in hashtables") mixed up the return labels and names sot that on
cleanup or failure we still try to remove for the natted tuples rhashtable.
Fix that by correctly checking if a natted tuples insertion
before removing it. While here make it more readable.
Fixes: bc562be967 ("net/mlx5e: CT: Save ct entries tuples in hashtables")
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Paul Blakey <paulb@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Sometimes, channel params are changed without recreating the channels.
It happens in two basic cases: when the channels are closed, and when
the parameter being changed doesn't affect how channels are configured.
Such changes invoke a hardware command that might fail. The whole
operation should be reverted in such cases, but the code that restores
the parameters' values in the driver was missing. This commit adds this
handling.
Fixes: 2e20a15120 ("net/mlx5e: Fail safe mtu and lro setting")
Signed-off-by: Maxim Mikityanskiy <maximmi@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Trust state may be changed without recreating the channels. It happens
when the channels are closed, and when channel parameters (min inline
mode) stay the same after changing the trust state. Changing the trust
state is a hardware command that may fail. The current code didn't
restore the channel parameters to their old values if an error happened
and the channels were closed. This commit adds handling for this case.
Fixes: 6e0504c698 ("net/mlx5e: Change inline mode correctly when changing trust state")
Signed-off-by: Maxim Mikityanskiy <maximmi@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit addresses two issues related to changing the number of
queues when the channels are closed:
1. Missing call to mlx5e_num_channels_changed to update
real_num_tx_queues when the number of TCs is changed.
2. When mlx5e_num_channels_changed returns an error, the channel
parameters must be reverted.
Two Fixes: tags correspond to the first commits where these two issues
were introduced.
Fixes: 3909a12e79 ("net/mlx5e: Fix configuration of XPS cpumasks and netdev queues in corner cases")
Fixes: fa3748775b ("net/mlx5e: Handle errors from netif_set_real_num_{tx,rx}_queues")
Signed-off-by: Maxim Mikityanskiy <maximmi@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Currently, if a neighbour isn't valid when offloading tunnel encap rules,
we offload the original match and replace the original action with
"goto slow path" action. For this we use a temporary flow attribute based
on the original flow attribute and then change the action. Flow flags,
which among those is the CT flag, are still shared for the slow path rule
offload, so we end up parsing this flow as a CT + goto slow path rule.
Besides being unnecessary, CT action offload saves extra information in
the passed flow attribute, such as created ct_flow and mod_hdr, which
is lost onces the temporary flow attribute is freed.
When a neigh is updated and is valid, we offload the original CT rule
with original CT action, which again creates a ct_flow and mod_hdr
and saves it in the flow's original attribute. Then we delete the slow
path rule with a temporary flow attribute based on original updated
flow attribute, and we free the relevant ct_flow and mod_hdr.
Then when tc deletes this flow, we try to free the ct_flow and mod_hdr
on the flow's attribute again.
To fix the issue, skip all furture proccesing (CT/Sample/Split rules)
in offload/unoffload of slow path rules.
Call trace:
[ 758.850525] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000218
[ 758.952987] Internal error: Oops: 96000005 [#1] PREEMPT SMP
[ 758.964170] Modules linked in: act_csum(E) act_pedit(E) act_tunnel_key(E) act_ct(E) nf_flow_table(E) xt_nat(E) ip6table_filter(E) ip6table_nat(E) xt_comment(E) ip6_tables(E) xt_conntrack(E) xt_MASQUERADE(E) nf_conntrack_netlink(E) xt_addrtype(E) iptable_filter(E) iptable_nat(E) bpfilter(E) br_netfilter(E) bridge(E) stp(E) llc(E) xfrm_user(E) overlay(E) act_mirred(E) act_skbedit(E) rdma_ucm(OE) rdma_cm(OE) iw_cm(OE) ib_ipoib(OE) ib_cm(OE) ib_umad(OE) esp6_offload(E) esp6(E) esp4_offload(E) esp4(E) xfrm_algo(E) mlx5_ib(OE) ib_uverbs(OE) geneve(E) ip6_udp_tunnel(E) udp_tunnel(E) nfnetlink_cttimeout(E) nfnetlink(E) mlx5_core(OE) act_gact(E) cls_flower(E) sch_ingress(E) openvswitch(E) nsh(E) nf_conncount(E) nf_nat(E) mlxfw(OE) psample(E) nf_conntrack(E) nf_defrag_ipv4(E) vfio_mdev(E) mdev(E) ib_core(OE) mlx_compat(OE) crct10dif_ce(E) uio_pdrv_genirq(E) uio(E) i2c_mlx(E) mlxbf_pmc(E) sbsa_gwdt(E) mlxbf_gige(E) gpio_mlxbf2(E) mlxbf_pka(E) mlx_trio(E) mlx_bootctl(E) bluefield_edac(E) knem(O)
[ 758.964225] ip_tables(E) mlxbf_tmfifo(E) ipv6(E) crc_ccitt(E) nf_defrag_ipv6(E)
[ 759.154186] CPU: 5 PID: 122 Comm: kworker/u16:1 Tainted: G OE 5.4.60-mlnx.52.gde81e85 #1
[ 759.172870] Hardware name: https://www.mellanox.com BlueField SoC/BlueField SoC, BIOS BlueField:3.5.0-2-gc1b5d64 Jan 4 2021
[ 759.195466] Workqueue: mlx5e mlx5e_rep_neigh_update [mlx5_core]
[ 759.207344] pstate: a0000005 (NzCv daif -PAN -UAO)
[ 759.217003] pc : mlx5_del_flow_rules+0x5c/0x160 [mlx5_core]
[ 759.228229] lr : mlx5_del_flow_rules+0x34/0x160 [mlx5_core]
[ 759.405858] Call trace:
[ 759.410804] mlx5_del_flow_rules+0x5c/0x160 [mlx5_core]
[ 759.421337] __mlx5_eswitch_del_rule.isra.43+0x5c/0x1c8 [mlx5_core]
[ 759.433963] mlx5_eswitch_del_offloaded_rule_ct+0x34/0x40 [mlx5_core]
[ 759.446942] mlx5_tc_rule_delete_ct+0x68/0x74 [mlx5_core]
[ 759.457821] mlx5_tc_ct_delete_flow+0x160/0x21c [mlx5_core]
[ 759.469051] mlx5e_tc_unoffload_fdb_rules+0x158/0x168 [mlx5_core]
[ 759.481325] mlx5e_tc_encap_flows_del+0x140/0x26c [mlx5_core]
[ 759.492901] mlx5e_rep_update_flows+0x11c/0x1ec [mlx5_core]
[ 759.504127] mlx5e_rep_neigh_update+0x160/0x200 [mlx5_core]
[ 759.515314] process_one_work+0x178/0x400
[ 759.523350] worker_thread+0x58/0x3e8
[ 759.530685] kthread+0x100/0x12c
[ 759.537152] ret_from_fork+0x10/0x18
[ 759.544320] Code: 97ffef55 51000673 3100067f 54ffff41 (b9421ab3)
[ 759.556548] ---[ end trace fab818bb1085832d ]---
Fixes: 4c3844d9e9 ("net/mlx5e: CT: Introduce connection tracking")
Signed-off-by: Paul Blakey <paulb@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Vlad Buslov <vladbu@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
The cited commit introduce new CONFIG_MLX5_CLS_ACT kconfig variable
to control compilation of TC hardware offloads implementation.
When this configuration is disabled the driver is still wrongly
reports in ethtool that hw-tc-offload is supported.
Fixed by reporting hw-tc-offload is supported only when
CONFIG_MLX5_CLS_ACT is enabled.
Fixes: d956873f90 ("net/mlx5e: Introduce kconfig var for TC support")
Signed-off-by: Maor Dickman <maord@nvidia.com>
Reviewed-by: Vlad Buslov <vladbu@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Pages for the host PF and ECPF were stored in the same tree, so the ECPF
pages were being freed along with the host PF's when the host driver
unloaded.
Combine the function ID and ECPF flag to use as an index into the
x-array containing the trees to get a different tree for the host PF and
ECPF.
Fixes: c6168161f6 ("net/mlx5: Add support for release all pages event")
Signed-off-by: Daniel Jurgens <danielj@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
When IPSEC offload isn't active, the number of stats is not zero, but
the strings are not filled, leading to exposing stats with empty names.
Fix this by using the same condition for NUM_STATS and FILL_STRS.
Fixes: 0aab3e1b04 ("net/mlx5e: IPSec, Expose IPsec HW stat only for supporting HW")
Signed-off-by: Maxim Mikityanskiy <maximmi@mellanox.com>
Reviewed-by: Raed Salem <raeds@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
"Unsupported key used:" appears in kernel log when flows with
unsupported key are used, arp fields for example.
OpenVSwitch was changed to match on arp fields by default that
caused this warning to appear in kernel log for every arp rule, which
can be a lot.
Fix by lowering print level from warning to debug.
Fixes: e3a2b7ed01 ("net/mlx5e: Support offload cls_flower with drop action")
Signed-off-by: Maor Dickman <maord@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Instead of directly return, goto the error handling label to free
allocated page.
Fixes: 5f29458b77 ("net/mlx5e: Support dump callback in TX reporter")
Signed-off-by: Pan Bian <bianpan2016@163.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
rate_bytes_ps is a 64-bit field. It passed as 32-bit field to
apply_police_params(). Due to this when police rate is higher
than 4Gbps, 32-bit calculation ignores the carry. This results
in incorrect rate configurationn the device.
Fix it by performing 64-bit calculation.
Fixes: fcb64c0f56 ("net/mlx5: E-Switch, add ingress rate support")
Signed-off-by: Parav Pandit <parav@nvidia.com>
Reviewed-by: Eli Cohen <elic@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
When we create the ft object we also init rhltable in ft->fgs_hash.
So in error flow before kfree of ft we need to destroy that rhltable.
Fixes: 693c6883bb ("net/mlx5: Add hash table for flow groups in flow table")
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Maor Dickman <maord@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This reverts commit fbdd0049d9.
Due to commit in fixes tag, netdevice events were received only in one net
namespace of mlx5_core_dev. Due to this when netdevice events arrive in
net namespace other than net namespace of mlx5_core_dev, they are missed.
This results in empty GID table due to RDMA device being detached from its
net device.
Hence, revert back to receive netdevice events in all net namespaces to
restore back RDMA functionality in non init_net net namespace. The
deadlock will have to be addressed in another patch.
Fixes: fbdd0049d9 ("RDMA/mlx5: Fix devlink deadlock on net namespace deletion")
Link: https://lore.kernel.org/r/20210117092633.10690-1-leon@kernel.org
Signed-off-by: Parav Pandit <parav@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Increase critical threshold for ASIC thermal zone from 110C to 140C
according to the system hardware requirements. All the supported ASICs
(Spectrum-1, Spectrum-2, Spectrum-3) could be still operational with ASIC
temperature below 140C. With the old critical threshold value system
can perform unjustified shutdown.
All the systems equipped with the above ASICs implement thermal
protection mechanism at firmware level and firmware could decide to
perform system thermal shutdown in case the temperature is below 140C.
So with the new threshold system will not meltdown, while thermal
operating range will be aligned with hardware abilities.
Fixes: 41e760841d ("mlxsw: core: Replace thermal temperature trips with defines")
Fixes: a50c1e3565 ("mlxsw: core: Implement thermal zone")
Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Validate thresholds to avoid a single failure due to some transceiver
unreliability. Ignore the last readouts in case warning temperature is
above alarm temperature, since it can cause unexpected thermal
shutdown. Stay with the previous values and refresh threshold within
the next iteration.
This is a rare scenario, but it was observed at a customer site.
Fixes: 6a79507cfe ("mlxsw: core: Extend thermal module with per QSFP module thermal zones")
Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When mlx5_create_flow_group() fails, ft->g should be
freed just like when kvzalloc() fails. The caller of
mlx5e_create_l2_table_groups() does not catch this
issue on failure, which leads to memleak.
Fixes: 33cfaaa8f3 ("net/mlx5e: Split the main flow steering table")
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
mlx5e_create_ttc_table_groups() frees ft->g on failure of
kvzalloc(), but such failure will be caught by its caller
in mlx5e_create_ttc_table() and ft->g will be freed again
in mlx5e_destroy_flow_table(). The same issue also occurs
in mlx5e_create_ttc_table_groups(). Set ft->g to NULL after
kfree() to avoid double free.
Fixes: 7b3722fa9e ("net/mlx5e: Support RSS for GRE tunneled packets")
Fixes: 33cfaaa8f3 ("net/mlx5e: Split the main flow steering table")
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Prior to this patch, configuring speed to 50G with autoneg off over
devices supporting 50G per lane failed.
Support for 50G per lane introduced a new set of link-modes, on which
driver always performed a speed validation as if only legacy link-modes
were configured. Fix driver speed validation to force setting autoneg
over 56G only if in legacy link-mode.
Fixes: 3d7cadae51 ("net/mlx5e: ethtool, Fix analysis of speed setting")
Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Eran Ben Elisha <eranbe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
sop_drop_qpn field in the cqe is used by two features, in SWITCHDEV mode
to restore the chain id in case of a miss and in LEGACY mode to support
skbedit mark action. In build RX skb, the skb mark field is set regardless
of the configured mode which cause a corruption of the mark field in case
of switchdev mode.
Fix by overriding the mark value back to 0 in the representor tc update
skb flow.
Fixes: 8f1e0b97cc ("net/mlx5: E-Switch, Mark miss packets with new chain id mapping")
Signed-off-by: Maor Dickman <maord@nvidia.com>
Reviewed-by: Raed Salem <raeds@nvidia.com>
Reviewed-by: Oz Shlomo <ozsh@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Adding vf VLANID for the first time, or after having cleared previously
defined VLANID works fine, however, attempting to change an existing vf
VLANID clears the rules on the firmware, but does not add new rules for
the new vf VLANID.
Fix this by changing the logic in function esw_acl_egress_lgcy_setup()
so that it will always configure egress rules.
Fixes: ea651a86d4 ("net/mlx5: E-Switch, Refactor eswitch egress acl codes")
Signed-off-by: Alaa Hleihel <alaa@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
In case WQE includes inline header the vlan is inserted by driver even
if vlan offload is set. On geneve over vlan interface where software
parser is used the SWP offsets should be updated according to the added
vlan.
Fixes: e3cfc7e6b7 ("net/mlx5e: TX, Add geneve tunnel stateless offload support")
Signed-off-by: Moshe Shemesh <moshe@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Connection counters may be shared for both directions when the counter
is used for connection aging purposes. However, if TC flow
accounting is enabled then a unique counter is required per direction.
Instantiate a unique counter per direction if the conntrack accounting
extension is enabled. Use a shared counter when the connection accounting
extension is disabled.
Fixes: 1edae2335a ("net/mlx5e: CT: Use the same counter for both directions")
Signed-off-by: Oz Shlomo <ozsh@nvidia.com>
Reported-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Paul Blakey <paulb@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
In multi-port mode, FW reports syndrome 0x2ea48 (invalid vhca_port_number)
if the port_num is not 1 or 2.
Fixes: 80f09dfc23 ("net/mlx5: Eswitch, enable RoCE loopback traffic")
Signed-off-by: Mark Zhang <markzhang@nvidia.com>
Reviewed-by: Maor Gottlieb <maorg@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Expose firmware indication that it supports setting eswitch uplink state
to follow (follow the physical link). Condition setting the eswitch
uplink admin-state with this capability bit. Older FW may not support
the uplink state setting.
Fixes: 7d0314b11c ("net/mlx5e: Modify uplink state on interface up/down")
Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
accesses, inefficient and disfunctional code. The goal is to remove the
export of irq_to_desc() to prevent these things from creeping up again.
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Merge tag 'irq-core-2020-12-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
"This is the second attempt after the first one failed miserably and
got zapped to unblock the rest of the interrupt related patches.
A treewide cleanup of interrupt descriptor (ab)use with all sorts of
racy accesses, inefficient and disfunctional code. The goal is to
remove the export of irq_to_desc() to prevent these things from
creeping up again"
* tag 'irq-core-2020-12-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (30 commits)
genirq: Restrict export of irq_to_desc()
xen/events: Implement irq distribution
xen/events: Reduce irq_info:: Spurious_cnt storage size
xen/events: Only force affinity mask for percpu interrupts
xen/events: Use immediate affinity setting
xen/events: Remove disfunct affinity spreading
xen/events: Remove unused bind_evtchn_to_irq_lateeoi()
net/mlx5: Use effective interrupt affinity
net/mlx5: Replace irq_to_desc() abuse
net/mlx4: Use effective interrupt affinity
net/mlx4: Replace irq_to_desc() abuse
PCI: mobiveil: Use irq_data_get_irq_chip_data()
PCI: xilinx-nwl: Use irq_data_get_irq_chip_data()
NTB/msi: Use irq_has_action()
mfd: ab8500-debugfs: Remove the racy fiddling with irq_desc
pinctrl: nomadik: Use irq_has_action()
drm/i915/pmu: Replace open coded kstat_irqs() copy
drm/i915/lpe_audio: Remove pointless irq_to_desc() usage
s390/irq: Use irq_desc_kstat_cpu() in show_msi_interrupt()
parisc/irq: Use irq_desc_kstat_cpu() in show_interrupts()
...
Using the interrupt affinity mask for checking locality is not really
working well on architectures which support effective affinity masks.
The affinity mask is either the system wide default or set by user space,
but the architecture can or even must reduce the mask to the effective set,
which means that checking the affinity mask itself does not really tell
about the actual target CPUs.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Saeed Mahameed <saeedm@nvidia.com>
Link: https://lore.kernel.org/r/20201210194044.876342330@linutronix.de
No driver has any business with the internals of an interrupt
descriptor. Storing a pointer to it just to use yet another helper at the
actual usage site to retrieve the affinity mask is creative at best. Just
because C does not allow encapsulation does not mean that the kernel has no
limits.
Retrieve a pointer to the affinity mask itself and use that. It's still
using an interface which is usually not for random drivers, but definitely
less hideous than the previous hack.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Saeed Mahameed <saeedm@nvidia.com>
Link: https://lore.kernel.org/r/20201210194044.769458162@linutronix.de
Using the interrupt affinity mask for checking locality is not really
working well on architectures which support effective affinity masks.
The affinity mask is either the system wide default or set by user space,
but the architecture can or even must reduce the mask to the effective set,
which means that checking the affinity mask itself does not really tell
about the actual target CPUs.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Tariq Toukan <tariqt@nvidia.com>
Link: https://lore.kernel.org/r/20201210194044.672935978@linutronix.de
No driver has any business with the internals of an interrupt
descriptor. Storing a pointer to it just to use yet another helper at the
actual usage site to retrieve the affinity mask is creative at best. Just
because C does not allow encapsulation does not mean that the kernel has no
limits.
Retrieve a pointer to the affinity mask itself and use that. It's still
using an interface which is usually not for random drivers, but definitely
less hideous than the previous hack.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Tariq Toukan <tariqt@nvidia.com>
Link: https://lore.kernel.org/r/20201210194044.580936243@linutronix.de
In case the eXtended mezzanine is present on the system, use it for IPv4
router offload.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Set a profile option to instruct FW to use 1/2 of KVH for XLT cache, not
the whole one.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Upon route insertion and removal, it is needed to flush possibly cached
entries from the XM cache. Extend XM op context to carry information
needed for the flush. Implement the flush in delayed work since for HW
design reasons there is a need to wait 50usec before the flush can be
done. If during this time comes the same flush request, consolidate it
to the first one. Implement this queued flushes by a hashtable.
v2:
* Fix GENMASK() high bit
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The RLPMCE allows disabling the LPM cache. Can be changed on the fly.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The RLCMLD register is used to bulk delete the XLT-LPM cache ML entries.
This can be used by SW when L is increased or decreased, thus need to
remove entries with old ML values.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
There is a table that assigns L-value per M-index. The L is always the
biggest from the currently inserted prefixes. Setup a hashtable to track
the M-index information and the prefixes that are related to it. Ensure
the L-value is always correctly set.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The XRMT configures the M-Table for the XLT-LPM.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
During the router init flow, call into XM code and initialize couple of
items needed for XM functionality:
1) Query the capabilities and sizes. Check the XM device id.
2) Initialize the M-value. Note that currently the M-value is set fixed
to 16 for IPv4. In future this may change to better cover the actual
inserted routes.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The XLTQ is used to query HW for XM-related info.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The RXLTM configures and selects the M for the XM lookups.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Use the info stored in the bus_info struct about the eXtended mezanine
connected ports and don't expose them.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The output of boardinfo command was extended to contain information
about XM. Indicates if is present and in case it is, tells which
localports are used for the connection. So parse this info and store it
in bus_info passed up to the driver.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In order to offload entries to XM, implement a set of low-level
functions to work with LPM trees in XM and also to pack and write
FIB entries into XM.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The RXLTE enables XLT (eXtended Lookup Table) LPM lookups if a capable
XM is present on the system.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The XMDR allows direct access to the XM device via the switch.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
xdp_return_frame_bulk() needs to pass a xdp_buff
to __xdp_return().
strlcpy got converted to strscpy but here it makes no
functional difference, so just keep the right code.
Conflicts:
net/netfilter/nf_tables_api.c
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
