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3c005110d4
linux/net/sched
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wenxu 3c005110d4 net/sched: cls_api: fix nooffloaddevcnt warning dmesg log 
The block->nooffloaddevcnt should always count for indr block.
even the indr block offload successful. The representor maybe
gone away and the ingress qdisc can work in software mode.

block->nooffloaddevcnt warning with following dmesg log:

[  760.667058] #####################################################
[  760.668186] ## TEST test-ecmp-add-vxlan-encap-disable-sriov.sh ##
[  760.669179] #####################################################
[  761.780655] :test: Fedora 30 (Thirty)
[  761.783794] :test: Linux reg-r-vrt-018-180 5.7.0+
[  761.822890] :test: NIC ens1f0 FW 16.26.6000 PCI 0000:81:00.0 DEVICE 0x1019 ConnectX-5 Ex
[  761.860244] mlx5_core 0000:81:00.0 ens1f0: Link up
[  761.880693] IPv6: ADDRCONF(NETDEV_CHANGE): ens1f0: link becomes ready
[  762.059732] mlx5_core 0000:81:00.1 ens1f1: Link up
[  762.234341] :test: unbind vfs of ens1f0
[  762.257825] :test: Change ens1f0 eswitch (0000:81:00.0) mode to switchdev
[  762.291363] :test: unbind vfs of ens1f1
[  762.306914] :test: Change ens1f1 eswitch (0000:81:00.1) mode to switchdev
[  762.309237] mlx5_core 0000:81:00.1: E-Switch: Disable: mode(LEGACY), nvfs(2), active vports(3)
[  763.282598] mlx5_core 0000:81:00.1: E-Switch: Supported tc offload range - chains: 4294967294, prios: 4294967295
[  763.362825] mlx5_core 0000:81:00.1: MLX5E: StrdRq(1) RqSz(8) StrdSz(2048) RxCqeCmprss(0)
[  763.444465] mlx5_core 0000:81:00.1 ens1f1: renamed from eth0
[  763.460088] mlx5_core 0000:81:00.1: MLX5E: StrdRq(1) RqSz(8) StrdSz(2048) RxCqeCmprss(0)
[  763.502586] mlx5_core 0000:81:00.1: MLX5E: StrdRq(1) RqSz(8) StrdSz(2048) RxCqeCmprss(0)
[  763.552429] ens1f1_0: renamed from eth0
[  763.569569] mlx5_core 0000:81:00.1: E-Switch: Enable: mode(OFFLOADS), nvfs(2), active vports(3)
[  763.629694] ens1f1_1: renamed from eth1
[  764.631552] IPv6: ADDRCONF(NETDEV_CHANGE): ens1f1_0: link becomes ready
[  764.670841] :test: unbind vfs of ens1f0
[  764.681966] :test: unbind vfs of ens1f1
[  764.726762] mlx5_core 0000:81:00.0 ens1f0: Link up
[  764.766511] mlx5_core 0000:81:00.1 ens1f1: Link up
[  764.797325] :test: Add multipath vxlan encap rule and disable sriov
[  764.798544] :test: config multipath route
[  764.812732] mlx5_core 0000:81:00.0: lag map port 1:2 port 2:2
[  764.874556] mlx5_core 0000:81:00.0: modify lag map port 1:1 port 2:2
[  765.603681] :test: OK
[  765.659048] IPv6: ADDRCONF(NETDEV_CHANGE): ens1f1_1: link becomes ready
[  765.675085] :test: verify rule in hw
[  765.694237] IPv6: ADDRCONF(NETDEV_CHANGE): ens1f0: link becomes ready
[  765.711892] IPv6: ADDRCONF(NETDEV_CHANGE): ens1f1: link becomes ready
[  766.979230] :test: OK
[  768.125419] :test: OK
[  768.127519] :test: - disable sriov ens1f1
[  768.131160] pci 0000:81:02.2: Removing from iommu group 75
[  768.132646] pci 0000:81:02.3: Removing from iommu group 76
[  769.179749] mlx5_core 0000:81:00.1: E-Switch: Disable: mode(OFFLOADS), nvfs(2), active vports(3)
[  769.455627] mlx5_core 0000:81:00.0: modify lag map port 1:1 port 2:1
[  769.703990] mlx5_core 0000:81:00.1: MLX5E: StrdRq(1) RqSz(8) StrdSz(2048) RxCqeCmprss(0)
[  769.988637] mlx5_core 0000:81:00.1 ens1f1: renamed from eth0
[  769.990022] :test: - disable sriov ens1f0
[  769.994922] pci 0000:81:00.2: Removing from iommu group 73
[  769.997048] pci 0000:81:00.3: Removing from iommu group 74
[  771.035813] mlx5_core 0000:81:00.0: E-Switch: Disable: mode(OFFLOADS), nvfs(2), active vports(3)
[  771.339091] ------------[ cut here ]------------
[  771.340812] WARNING: CPU: 6 PID: 3448 at net/sched/cls_api.c:749 tcf_block_offload_unbind.isra.0+0x5c/0x60
[  771.341728] 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 mlx5_core intel_rapl_msr intel_rapl_common sb_edac x86_pkg_temp_thermal intel_powerclamp coretemp mlxfw act_ct nf_flow_table kvm_intel nf_nat kvm nf_conntrack irqbypass crct10dif_pclmul igb crc32_pclmul nf_defrag_ipv6 libcrc32c nf_defrag_ipv4 crc32c_intel ghash_clmulni_intel ptp ipmi_ssif intel_cstate pps_c
ore ses intel_uncore mei_me iTCO_wdt joydev ipmi_si iTCO_vendor_support i2c_i801 enclosure mei ioatdma dca lpc_ich wmi ipmi_devintf pcspkr acpi_power_meter ipmi_msghandler acpi_pad ast i2c_algo_bit drm_vram_helper drm_kms_helper drm_ttm_helper ttm drm mpt3sas raid_class scsi_transport_sas
[  771.347818] CPU: 6 PID: 3448 Comm: test-ecmp-add-v Not tainted 5.7.0+ #1146
[  771.348727] Hardware name: Supermicro SYS-2028TP-DECR/X10DRT-P, BIOS 2.0b 03/30/2017
[  771.349646] RIP: 0010:tcf_block_offload_unbind.isra.0+0x5c/0x60
[  771.350553] Code: 4a fd ff ff 83 f8 a1 74 0e 5b 4c 89 e7 5d 41 5c 41 5d e9 07 93 89 ff 8b 83 a0 00 00 00 8d 50 ff 89 93 a0 00 00 00 85 c0 75 df <0f> 0b eb db 0f 1f 44 00 00 41 57 41 56 41 55 41 89 cd 41 54 49 89
[  771.352420] RSP: 0018:ffffb33144cd3b00 EFLAGS: 00010246
[  771.353353] RAX: 0000000000000000 RBX: ffff8b37cf4b2800 RCX: 0000000000000000
[  771.354294] RDX: 00000000ffffffff RSI: ffff8b3b9aad0000 RDI: ffffffff8d5c6e20
[  771.355245] RBP: ffff8b37eb546948 R08: ffffffffc0b7a348 R09: ffff8b3b9aad0000
[  771.356189] R10: 0000000000000001 R11: ffff8b3ba7a0a1c0 R12: ffff8b37cf4b2850
[  771.357123] R13: ffff8b3b9aad0000 R14: ffff8b37cf4b2820 R15: ffff8b37cf4b2820
[  771.358039] FS:  00007f8a19b6e740(0000) GS:ffff8b3befa00000(0000) knlGS:0000000000000000
[  771.358965] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  771.359885] CR2: 00007f3afb91c1a0 CR3: 000000045133c004 CR4: 00000000001606e0
[  771.360825] Call Trace:
[  771.361764]  __tcf_block_put+0x84/0x150
[  771.362712]  ingress_destroy+0x1b/0x20 [sch_ingress]
[  771.363658]  qdisc_destroy+0x3e/0xc0
[  771.364594]  dev_shutdown+0x7a/0xa5
[  771.365522]  rollback_registered_many+0x20d/0x530
[  771.366458]  ? netdev_upper_dev_unlink+0x15d/0x1c0
[  771.367387]  unregister_netdevice_many.part.0+0xf/0x70
[  771.368310]  vxlan_netdevice_event+0xa4/0x110 [vxlan]
[  771.369454]  notifier_call_chain+0x4c/0x70
[  771.370579]  rollback_registered_many+0x2f5/0x530
[  771.371719]  rollback_registered+0x56/0x90
[  771.372843]  unregister_netdevice_queue+0x73/0xb0
[  771.373982]  unregister_netdev+0x18/0x20
[  771.375168]  mlx5e_vport_rep_unload+0x56/0xc0 [mlx5_core]
[  771.376327]  esw_offloads_disable+0x81/0x90 [mlx5_core]
[  771.377512]  mlx5_eswitch_disable_locked.cold+0xcb/0x1af [mlx5_core]
[  771.378679]  mlx5_eswitch_disable+0x44/0x60 [mlx5_core]
[  771.379822]  mlx5_device_disable_sriov+0xad/0xb0 [mlx5_core]
[  771.380968]  mlx5_core_sriov_configure+0xc1/0xe0 [mlx5_core]
[  771.382087]  sriov_numvfs_store+0xfc/0x130
[  771.383195]  kernfs_fop_write+0xce/0x1b0
[  771.384302]  vfs_write+0xb6/0x1a0
[  771.385410]  ksys_write+0x5f/0xe0
[  771.386500]  do_syscall_64+0x5b/0x1d0
[  771.387569]  entry_SYSCALL_64_after_hwframe+0x44/0xa9

Fixes: 0fdcf78d59 ("net: use flow_indr_dev_setup_offload()")
Signed-off-by: wenxu <wenxu@ucloud.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-06-19 20:12:58 -07:00
..
act_api.c net: sched: implement terse dump support in act 2020-05-15 10:23:11 -07:00
act_bpf.c bpf: Add socket assign support 2020-03-30 13:45:04 -07:00
act_connmark.c net: sched: update action implementations to support flags 2019-10-30 18:07:51 -07:00
act_csum.c Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-11-26 15:42:43 -08:00
act_ct.c net/sched: act_ct: Make tcf_ct_flow_table_restore_skb inline 2020-06-15 18:06:52 -07:00
act_ctinfo.c net: sched: act_ctinfo: fix memory leak 2020-01-19 16:02:15 +01:00
act_gact.c net: sched: update action implementations to support flags 2019-10-30 18:07:51 -07:00
act_gate.c net/sched: act_gate: fix configuration of the periodic timer 2020-06-18 20:17:49 -07:00
act_ife.c net/sched: act_ife: initalize ife->metalist earlier 2020-01-17 10:58:15 +01:00
act_ipt.c net: sched: update action implementations to support flags 2019-10-30 18:07:51 -07:00
act_meta_mark.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
act_meta_skbprio.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
act_meta_skbtcindex.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
act_mirred.c net: Fix CONFIG_NET_CLS_ACT=n and CONFIG_NFT_FWD_NETDEV={y, m} build 2020-03-25 12:24:33 -07:00
act_mpls.c net: Fixed updating of ethertype in skb_mpls_push() 2019-12-04 17:11:25 -08:00
act_nat.c icmp: remove duplicate code 2019-11-05 14:03:11 -08:00
act_pedit.c sched: act_pedit: Implement stats_update callback 2020-03-26 19:20:37 -07:00
act_police.c Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-11-26 15:42:43 -08:00
act_sample.c net: sched: lock action when translating it to flow_action infra 2020-02-17 14:17:02 -08:00
act_simple.c net_sched: extend packet counter to 64bit 2019-11-05 18:20:55 -08:00
act_skbedit.c sched: act_skbedit: Implement stats_update callback 2020-03-26 19:20:37 -07:00
act_skbmod.c net: sched: update action implementations to support flags 2019-10-30 18:07:51 -07:00
act_tunnel_key.c Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-11-26 15:42:43 -08:00
act_vlan.c Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-11-26 15:42:43 -08:00
cls_api.c net/sched: cls_api: fix nooffloaddevcnt warning dmesg log 2020-06-19 20:12:58 -07:00
cls_basic.c net_sched: fix ops->bind_class() implementations 2020-01-27 10:51:43 +01:00
cls_bpf.c net_sched: fix ops->bind_class() implementations 2020-01-27 10:51:43 +01:00
cls_cgroup.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
cls_flow.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
cls_flower.c cls_flower: remove mpls_opts_policy 2020-06-01 12:01:05 -07:00
cls_fw.c net_sched: fix ops->bind_class() implementations 2020-01-27 10:51:43 +01:00
cls_matchall.c net: sched: expose HW stats types per action used by drivers 2020-03-30 11:06:49 -07:00
cls_route.c net_sched: cls_route: remove the right filter from hashtable 2020-03-16 01:59:32 -07:00
cls_rsvp6.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
cls_rsvp.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
cls_rsvp.h cls_rsvp: fix rsvp_policy 2020-02-01 12:25:06 -08:00
cls_tcindex.c net_sched: fix a missing refcnt in tcindex_init() 2020-04-03 16:00:08 -07:00
cls_u32.c net_sched: fix ops->bind_class() implementations 2020-01-27 10:51:43 +01:00
em_canid.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 11 2019-05-21 11:28:45 +02:00
em_cmp.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
em_ipset.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
em_ipt.c net: sched : Remove unnecessary cast in kfree 2020-04-23 15:50:50 -07:00
em_meta.c net: annotate lockless accesses to sk->sk_max_ack_backlog 2019-11-06 16:14:48 -08:00
em_nbyte.c net: sched: Replace zero-length array with flexible-array member 2020-02-29 21:27:02 -08:00
em_text.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
em_u32.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
ematch.c net_sched: ematch: reject invalid TCF_EM_SIMPLE 2020-01-27 10:55:26 +01:00
Kconfig treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
Makefile net: qos: introduce a gate control flow action 2020-05-01 16:08:19 -07:00
sch_api.c net_sched: add a tracepoint for qdisc creation 2020-05-27 15:05:49 -07:00
sch_atm.c net: sched: Replace zero-length array with flexible-array member 2020-02-29 21:27:02 -08:00
sch_blackhole.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
sch_cake.c sch_cake: Take advantage of skb->hash where appropriate 2020-05-30 21:52:20 -07:00
sch_cbq.c sch_cbq: validate TCA_CBQ_WRROPT to avoid crash 2019-09-30 11:07:46 -07:00
sch_cbs.c net: cbs: Fix software cbs to consider packet sending time 2020-03-24 16:14:05 -07:00
sch_choke.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-05-06 22:10:13 -07:00
sch_codel.c net: sched: Fix a possible null-pointer dereference in dequeue_func() 2019-07-29 09:46:58 -07:00
sch_drr.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
sch_dsmark.c sch_dsmark: fix potential NULL deref in dsmark_init() 2019-10-04 18:28:30 -07:00
sch_etf.c sched: etf: do not assume all sockets are full blown 2020-04-22 19:20:28 -07:00
sch_ets.c net: sch_ets: Make the ETS qdisc offloadable 2019-12-18 13:32:29 -08:00
sch_fifo.c net: sched: Make FIFO Qdisc offloadable 2020-03-05 14:03:31 -08:00
sch_fq_codel.c fq_codel: fix TCA_FQ_CODEL_DROP_BATCH_SIZE sanity checks 2020-04-27 11:34:04 -07:00
sch_fq_pie.c net/sched: fix infinite loop in sch_fq_pie 2020-05-27 11:11:18 -07:00
sch_fq.c net_sched: sch_fq: add horizon attribute 2020-05-04 11:56:17 -07:00
sch_generic.c net: sched: export __netdev_watchdog_up() 2020-06-09 13:14:31 -07:00
sch_gred.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
sch_hfsc.c
sch_hhf.c net/flow_dissector: switch to siphash 2019-10-23 20:13:22 -07:00
sch_htb.c net: sched: sch_htb: don't call qdisc_put() while holding tree lock 2019-09-27 12:13:55 +02:00
sch_ingress.c net: sched: Pass ingress block to tcf_classify_ingress 2020-02-19 17:49:48 -08:00
sch_mq.c net: sched: fix dump qlen for sch_mq/sch_mqprio with NOLOCK subqueues 2019-12-03 11:53:55 -08:00
sch_mqprio.c mqprio: Fix out-of-bounds access in mqprio_dump 2019-12-06 11:58:45 -08:00
sch_multiq.c net: sched: fix tc -s class show no bstats on class with nolock subqueues 2019-11-30 10:38:40 -08:00
sch_netem.c net: sched: Replace zero-length array with flexible-array member 2020-02-29 21:27:02 -08:00
sch_pie.c net: sched: pie: change tc_pie_xstats->prob 2020-03-09 18:05:55 -07:00
sch_plug.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
sch_prio.c net: sch_prio: When ungrafting, replace with FIFO 2020-01-08 12:45:53 -08:00
sch_qfq.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
sch_red.c netlink: remove type-unsafe validation_data pointer 2020-04-30 17:51:41 -07:00
sch_sfb.c net/flow_dissector: switch to siphash 2019-10-23 20:13:22 -07:00
sch_sfq.c sch_sfq: validate silly quantum values 2020-04-27 11:49:57 -07:00
sch_skbprio.c net_sched: sch_skbprio: add message validation to skbprio_change() 2020-05-03 15:52:13 -07:00
sch_taprio.c taprio: Fix sending packets without dequeueing them 2020-03-12 11:25:08 -07:00
sch_tbf.c net: sched: Make TBF Qdisc offloadable 2020-01-25 10:56:31 +01:00
sch_teql.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00