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2021-10-02dt-bindings: net: renesas,ether: Update example to match realityGeert Uytterhoeven1-5/+12
- Drop unneeded interrupt-parent, - Convert to new style CPG/MSSR bindings, - Add missing power-domains and resets properties, - Update PHY subnode: - Add example compatible values, - Add micrel,led-mode and reset-gpios examples. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-02net:dev: Change napi_gro_complete return type to voidGyumin Hwang1-3/+2
napi_gro_complete always returned the same value, NET_RX_SUCCESS And the value was not used anywhere Signed-off-by: Gyumin Hwang <hkm73560@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-02ionic: add lif param to ionic_qcq_disableShannon Nelson1-12/+12
Add the lif parameter for use in an error message, and to better match the style of most of the functions calls. Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-02ionic: have ionic_qcq_disable decide on sending to hardwareShannon Nelson1-19/+20
Simplify the code a little by keeping the send_to_hw decision inside of ionic_qcq_disable rather than in the callers. Also, add ENXIO to the decision expression. Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-02ionic: add polling to adminq waitShannon Nelson2-6/+31
Split the adminq wait into smaller polling periods in order to watch for broken firmware and not have to wait for the full adminq devcmd_timeout. Generally, adminq commands take fewer than 2 msecs. If the FW is busy they can take longer, but usually still under 100 msecs. We set the polling period to 100 msecs in order to start snooping on FW status when a command is taking longer than usual. Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-02ionic: widen queue_lock use around lif init and deinitShannon Nelson1-3/+11
Widen the coverage of the queue_lock to be sure the lif init and lif deinit actions are protected. This addresses a hang seen when a Tx Timeout action was attempted at the same time as a FW Reset was started. Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-02ionic: move lif mutex setup and deleteShannon Nelson1-5/+10
Move creation and deletion of lif mutex a level out to lif creation and delete, rather than in init and deinit. This assures that nothing will get hung if anything is waiting on the mutex while the driver is clearing the lif while handling the fw_down/fw_up cycle. Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-02ionic: check for binary values in FW ver stringShannon Nelson1-3/+14
If the PCI connection is broken, reading the FW version string will only get 0xff bytes, which shouldn't get printed. This checks the first byte and prints only the first 4 bytes if non-ASCII. Also, add a limit to the string length printed when a valid string is found, just in case it is not properly terminated. Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-02ionic: remove debug statsShannon Nelson7-225/+0
These debug stats are not really useful, their collection is likely detrimental to performance, and they suck up a lot of memory which never gets used if no one ever enables the priv-flag to print them, so just remove these bits. Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-02ravb: Initialize GbEthernet E-MACBiju Das2-13/+62
Initialize GbEthernet E-MAC found on RZ/G2L SoC. This patch also renames ravb_set_rate to ravb_set_rate_rcar and ravb_rcar_emac_init to ravb_emac_init_rcar to be consistent with the naming convention used in sh_eth driver. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-02ravb: Add half_duplex to struct ravb_hw_infoBiju Das2-8/+31
RZ/G2L supports half duplex mode. Add a half_duplex hw feature bit to struct ravb_hw_info for supporting half duplex mode for RZ/G2L. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-02ravb: Add magic_pkt to struct ravb_hw_infoBiju Das2-1/+5
E-MAC on R-Car supports magic packet detection, whereas RZ/G2L does not support this feature. Add magic_pkt to struct ravb_hw_info and enable this feature only for R-Car. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-02ravb: Add tsrq to struct ravb_hw_infoBiju Das2-2/+8
R-Car AVB-DMAC has 4 Transmit start request queues, whereas RZ/G2L has only 1 Transmit start request queue. Add a tsrq variable to struct ravb_hw_info to handle this difference. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-02ravb: Exclude gPTP feature support for RZ/G2LBiju Das1-36/+49
R-Car supports gPTP feature whereas RZ/G2L does not support it. This patch excludes gtp feature support for RZ/G2L. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-02ravb: Initialize GbEthernet DMACBiju Das2-2/+31
Initialize GbEthernet DMAC found on RZ/G2L SoC. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-02ravb: Add support for RZ/G2L SoCBiju Das2-0/+64
RZ/G2L SoC has Gigabit Ethernet IP consisting of Ethernet controller (E-MAC), Internal TCP/IP Offload Engine (TOE) and Dedicated Direct memory access controller (DMAC). This patch adds compatible string for RZ/G2L and fills up the ravb_hw_info struct. Function stubs are added which will be used by gbeth_hw_info and will be filled incrementally. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-02ravb: Add nc_queue to struct ravb_hw_infoBiju Das2-49/+94
R-Car supports network control queue whereas RZ/G2L does not support it. Add nc_queue to struct ravb_hw_info, so that NC queue is handled only by R-Car. This patch also renames ravb_rcar_dmac_init to ravb_dmac_init_rcar to be consistent with the naming convention used in sh_eth driver. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-02ravb: Rename "no_ptp_cfg_active" and "ptp_cfg_active" variablesBiju Das2-15/+15
Rename the variable "no_ptp_cfg_active" with "gptp" and "ptp_cfg_active" with "ccc_gac" to match the HW features. There is no functional change. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Suggested-by: Sergey Shtylyov <s.shtylyov@omp.ru> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-02ravb: Rename "ravb_set_features_rx_csum" function to "ravb_set_features_rcar"Biju Das2-6/+6
Rename "ravb_set_features_rx_csum" function to "ravb_set_features_rcar" and replace the function pointer "set_rx_csum_feature" with "set_feature". Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Suggested-by: Sergey Shtylyov <s.shtylyov@omp.ru> Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-01net/core: disable NET_RX_BUSY_POLL on PREEMPT_RTSebastian Andrzej Siewior1-1/+1
napi_busy_loop() disables preemption and performs a NAPI poll. We can't acquire sleeping locks with disabled preemption which would be required while __napi_poll() invokes the callback of the driver. A threaded interrupt performing the NAPI-poll can be preempted on PREEMPT_RT. A RT thread on another CPU may observe NAPIF_STATE_SCHED bit set and busy-spin until it is cleared or its spin time runs out. Given it is the task with the highest priority it will never observe the NEED_RESCHED bit set. In this case the time is better spent by simply sleeping. The NET_RX_BUSY_POLL is disabled by default (the system wide sysctls for poll/read are set to zero). Disabling NET_RX_BUSY_POLL on PREEMPT_RT to avoid wrong locking context in case it is used. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Link: https://lore.kernel.org/r/20211001145841.2308454-1-bigeasy@linutronix.de Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-10-01selftests/bpf: Use BTF-defined key/value for map definitionsHengqi Chen13-40/+38
Change map definitions in BPF selftests to use BTF-defined key/value types. This unifies the map definitions and ensures libbpf won't emit warning about retrying map creation. Signed-off-by: Hengqi Chen <hengqi.chen@gmail.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20210930161456.3444544-3-hengqi.chen@gmail.com
2021-10-01libbpf: Support uniform BTF-defined key/value specification across all BPF mapsHengqi Chen1-0/+24
A bunch of BPF maps do not support specifying BTF types for key and value. This is non-uniform and inconvenient[0]. Currently, libbpf uses a retry logic which removes BTF type IDs when BPF map creation failed. Instead of retrying, this commit recognizes those specialized maps and removes BTF type IDs when creating BPF map. [0] Closes: https://github.com/libbpf/libbpf/issues/355 Signed-off-by: Hengqi Chen <hengqi.chen@gmail.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20210930161456.3444544-2-hengqi.chen@gmail.com
2021-10-01bpf/tests: Add test of LDX_MEM with operand aliasingJohan Almbladh1-0/+58
This patch adds a set of tests of BPF_LDX_MEM where both operand registers are the same register. Mainly testing 32-bit JITs that may load a 64-bit value in two 32-bit loads, and must not overwrite the address register. Signed-off-by: Johan Almbladh <johan.almbladh@anyfinetworks.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20211001130348.3670534-11-johan.almbladh@anyfinetworks.com
2021-10-01bpf/tests: Add test of ALU shifts with operand register aliasingJohan Almbladh1-13/+149
This patch adds a tests of ALU32 and ALU64 LSH/RSH/ARSH operations for the case when the two operands are the same register. Mainly intended to test JITs that implement ALU64 shifts with 32-bit CPU instructions. Also renamed related helper functions for consistency with the new tests. Signed-off-by: Johan Almbladh <johan.almbladh@anyfinetworks.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20211001130348.3670534-10-johan.almbladh@anyfinetworks.com
2021-10-01bpf/tests: Add exhaustive tests of BPF_ATOMIC register combinationsJohan Almbladh1-0/+422
This patch adds tests of all register combinations for BPF_ATOMIC operations on both BPF_W and BPF_DW sizes. Signed-off-by: Johan Almbladh <johan.almbladh@anyfinetworks.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20211001130348.3670534-9-johan.almbladh@anyfinetworks.com
2021-10-01bpf/tests: Add exhaustive tests of ALU register combinationsJohan Almbladh1-71/+763
This patch replaces the current register combination test with new exhaustive tests. Before, only a subset of register combinations was tested for ALU64 DIV. Now, all combinatons of operand registers are tested, including the case when they are the same, and for all ALU32 and ALU64 operations. Signed-off-by: Johan Almbladh <johan.almbladh@anyfinetworks.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20211001130348.3670534-8-johan.almbladh@anyfinetworks.com
2021-10-01bpf/tests: Minor restructuring of ALU testsJohan Almbladh1-72/+65
This patch moves the ALU LSH/RSH/ARSH reference computations into the common reference value function. Also fix typo in constants so they now have the intended values. Signed-off-by: Johan Almbladh <johan.almbladh@anyfinetworks.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20211001130348.3670534-7-johan.almbladh@anyfinetworks.com
2021-10-01bpf/tests: Add more tests for ALU and ATOMIC register clobberingJohan Almbladh1-70/+197
This patch expands the register-clobbering-during-function-call tests to cover more all ALU32/64 MUL, DIV and MOD operations and all ATOMIC operations. In short, if a JIT implements a complex operation with a call to an external function, it must make sure to save and restore all its caller-saved registers that may be clobbered by the call. Signed-off-by: Johan Almbladh <johan.almbladh@anyfinetworks.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20211001130348.3670534-6-johan.almbladh@anyfinetworks.com
2021-10-01bpf/tests: Add tests to check source register zero-extensionJohan Almbladh1-0/+143
This patch adds tests to check that the source register is preserved when zero-extending a 32-bit value. In particular, it checks that the source operand is not zero-extended in-place. Signed-off-by: Johan Almbladh <johan.almbladh@anyfinetworks.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20211001130348.3670534-5-johan.almbladh@anyfinetworks.com
2021-10-01bpf/tests: Add exhaustive tests of BPF_ATOMIC magnitudesJohan Almbladh1-1/+503
This patch adds a series of test to verify the operation of BPF_ATOMIC with BPF_DW and BPF_W sizes, for all power-of-two magnitudes of the register value operand. Also fixes a confusing typo in the comment for a related test. Signed-off-by: Johan Almbladh <johan.almbladh@anyfinetworks.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20211001130348.3670534-4-johan.almbladh@anyfinetworks.com
2021-10-01bpf/tests: Add zero-extension checks in BPF_ATOMIC testsJohan Almbladh1-5/+17
This patch updates the existing tests of BPF_ATOMIC operations to verify that a 32-bit register operand is properly zero-extended. In particular, it checks the operation on archs that require 32-bit operands to be properly zero-/sign-extended or the result is undefined, e.g. MIPS64. Signed-off-by: Johan Almbladh <johan.almbladh@anyfinetworks.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20211001130348.3670534-3-johan.almbladh@anyfinetworks.com
2021-10-01bpf/tests: Add tests of BPF_LDX and BPF_STX with small sizesJohan Almbladh1-0/+254
This patch adds a series of tests to verify the behavior of BPF_LDX and BPF_STX with BPF_B//W sizes in isolation. In particular, it checks that BPF_LDX zero-extendeds the result, and that BPF_STX does not overwrite adjacent bytes in memory. BPF_ST and operations on BPF_DW size are deemed to be sufficiently tested by existing tests. Signed-off-by: Johan Almbladh <johan.almbladh@anyfinetworks.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20211001130348.3670534-2-johan.almbladh@anyfinetworks.com
2021-10-01fix up for "net: add new socket option SO_RESERVE_MEM"Stephen Rothwell3-0/+6
Some architectures do not include uapi/asm/socket.h Fixes: 2bb2f5fb21b0 ("net: add new socket option SO_RESERVE_MEM") Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-01Revert "Merge branch 'mctp-kunit-tests'"David S. Miller6-632/+0
This reverts commit 4f42ad2011d2fcbd89f5cdf56121271a8cd5ee5d, reversing changes made to ea2dd331bfaaeba74ba31facf437c29044f7d4cb. These chanfges break the build when mctp is modular. Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-01sparc: add SO_RESERVE_MEM definition.David S. Miller1-0/+3
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-01devlink: report maximum number of snapshots with regionsJacob Keller4-2/+13
Each region has an independently configurable number of maximum snapshots. This information is not reported to userspace, making it not very discoverable. Fix this by adding a new DEVLINK_ATTR_REGION_MAX_SNAPSHOST attribute which is used to report this maximum. Ex: $devlink region pci/0000:af:00.0/nvm-flash: size 10485760 snapshot [] max 1 pci/0000:af:00.0/device-caps: size 4096 snapshot [] max 10 pci/0000:af:00.1/nvm-flash: size 10485760 snapshot [] max 1 pci/0000:af:00.1/device-caps: size 4096 snapshot [] max 10 This information enables users to understand why a new region command may fail due to having too many existing snapshots. Reported-by: Gurucharan G <gurucharanx.g@intel.com> (A Contingent worker at Intel) Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Acked-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-01mctp: Add input reassembly testsJeremy Kerr1-0/+134
Add multi-packet route input tests, for message reassembly. These will feed packets to be received by a bound socket, or dropped. Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-01mctp: Add route input to socket testsJeremy Kerr1-0/+131
Add a few tests for single-packet route inputs, testing the mctp_route_input function. Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-01mctp: Add packet rx testsJeremy Kerr1-3/+64
Add a few tests for the initial packet ingress through mctp_pkttype_receive function; mainly packet header sanity checks. Full input routing checks will be added as a separate change. Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-01mctp: Add test utilsJeremy Kerr3-0/+90
Add a new object for shared test utilities Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-01mctp: Add initial test structure and fragmentation testJeremy Kerr3-0/+216
This change adds the first kunit test for the mctp subsystem, and an initial test for the fragmentation path. We're adding tests under a new net/mctp/test/ directory. Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-09-30net: sched: Use struct_size() helper in kvmalloc()Gustavo A. R. Silva1-1/+1
Make use of the struct_size() helper instead of an open-coded version, in order to avoid any potential type mistakes or integer overflows that, in the worst scenario, could lead to heap overflows. Link: https://github.com/KSPP/linux/issues/160 Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> Link: https://lore.kernel.org/r/20210929201718.GA342296@embeddedor Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-09-30net/mlx5e: Use array_size() helperGustavo A. R. Silva1-4/+6
Use array_size() helper to aid in 2-factor allocation instances. Link: https://github.com/KSPP/linux/issues/160 Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-09-30net/mlx5: Use struct_size() helper in kvzalloc()Gustavo A. R. Silva1-2/+1
Make use of the struct_size() helper instead of an open-coded version, in order to avoid any potential type mistakes or integer overflows that, in the worse scenario, could lead to heap overflows. Link: https://github.com/KSPP/linux/issues/160 Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-09-30net/mlx5: Use kvcalloc() instead of kvzalloc()Gustavo A. R. Silva2-3/+3
Use 2-factor argument form kvcalloc() instead of kvzalloc(). Link: https://github.com/KSPP/linux/issues/162 Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-09-30net/mlx5: Tolerate failures in debug features while driver loadAya Levin1-6/+6
FW tracer and resource dump are debug features. Although failing to initialize them may indicate an error, don't let this stop device loading. Signed-off-by: Aya Levin <ayal@nvidia.com> Reviewed-by: Tariq Toukan <tariqt@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-09-30net/mlx5: Warn for devlink reload when there are VFs aliveLama Kayal1-0/+5
When performing PF reload, VF can't communicate with FW until it recovers and reloads as well. Add a warning message when performing devlink reload while VFs are still present. Thus, giving a notice of an unfavorable behavior that might occur as a result of a consequential reloads and cause interruption of VF recovery. Signed-off-by: Lama Kayal <lkayal@nvidia.com> Reviewed-by: Moshe Shemesh <moshe@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-09-30net/mlx5: DR, Add missing string for action type SAMPLERYevgeny Kliteynik1-0/+1
Add missing string value for DR_ACTION_TYP_SAMPLER action type Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-09-30net/mlx5: DR, init_next_match only if neededYevgeny Kliteynik1-3/+5
Allocate next steering table entry only if the remaining space requires to. Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-09-30net/mlx5: DR, Fix typo 'offeset' to 'offset'Yevgeny Kliteynik2-2/+2
Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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